1fa9e4066Sahrens /* 2fa9e4066Sahrens * CDDL HEADER START 3fa9e4066Sahrens * 4fa9e4066Sahrens * The contents of this file are subject to the terms of the 5ea8dc4b6Seschrock * Common Development and Distribution License (the "License"). 6ea8dc4b6Seschrock * You may not use this file except in compliance with the License. 7fa9e4066Sahrens * 8fa9e4066Sahrens * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9fa9e4066Sahrens * or http://www.opensolaris.org/os/licensing. 10fa9e4066Sahrens * See the License for the specific language governing permissions 11fa9e4066Sahrens * and limitations under the License. 12fa9e4066Sahrens * 13fa9e4066Sahrens * When distributing Covered Code, include this CDDL HEADER in each 14fa9e4066Sahrens * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15fa9e4066Sahrens * If applicable, add the following below this CDDL HEADER, with the 16fa9e4066Sahrens * fields enclosed by brackets "[]" replaced with your own identifying 17fa9e4066Sahrens * information: Portions Copyright [yyyy] [name of copyright owner] 18fa9e4066Sahrens * 19fa9e4066Sahrens * CDDL HEADER END 20fa9e4066Sahrens */ 21fa9e4066Sahrens /* 2255da60b9SMark J Musante * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. 23beb56283SShampavman * Copyright 2011 Nexenta Systems, Inc. All rights reserved. 24f78cdc34SPaul Dagnelie * Copyright (c) 2011, 2018 by Delphix. All rights reserved. 253b442230SJordan Paige Hendricks * Copyright 2019 Joyent, Inc. 26fa9e4066Sahrens */ 27fa9e4066Sahrens 2855da60b9SMark J Musante /* Portions Copyright 2010 Robert Milkowski */ 2955da60b9SMark J Musante 30eb633035STom Caputi /* 31eb633035STom Caputi * ZFS_MDB lets dmu.h know that we don't have dmu_ot, and we will define our 32eb633035STom Caputi * own macros to access the target's dmu_ot. Therefore it must be defined 33eb633035STom Caputi * before including any ZFS headers. Note that we don't define 34eb633035STom Caputi * DMU_OT_IS_ENCRYPTED_IMPL() or DMU_OT_BYTESWAP_IMPL(), therefore using them 35eb633035STom Caputi * will result in a compilation error. If they are needed in the future, we 36eb633035STom Caputi * can implement them similarly to mdb_dmu_ot_is_encrypted_impl(). 37eb633035STom Caputi */ 38eb633035STom Caputi #define ZFS_MDB 39eb633035STom Caputi #define DMU_OT_IS_ENCRYPTED_IMPL(ot) mdb_dmu_ot_is_encrypted_impl(ot) 40eb633035STom Caputi 41fa9e4066Sahrens #include <mdb/mdb_ctf.h> 42fa9e4066Sahrens #include <sys/zfs_context.h> 43fa9e4066Sahrens #include <sys/mdb_modapi.h> 44fa9e4066Sahrens #include <sys/dbuf.h> 45fa9e4066Sahrens #include <sys/dmu_objset.h> 46fa9e4066Sahrens #include <sys/dsl_dir.h> 47fa9e4066Sahrens #include <sys/dsl_pool.h> 48fa9e4066Sahrens #include <sys/metaslab_impl.h> 49fa9e4066Sahrens #include <sys/space_map.h> 50fa9e4066Sahrens #include <sys/list.h> 51fa9e4066Sahrens #include <sys/vdev_impl.h> 523f1f8012SMatthew Ahrens #include <sys/zap_leaf.h> 533f1f8012SMatthew Ahrens #include <sys/zap_impl.h> 549966ca11SMatthew Ahrens #include <ctype.h> 550a586ceaSMark Shellenbaum #include <sys/zfs_acl.h> 560a586ceaSMark Shellenbaum #include <sys/sa_impl.h> 57dcbf3bd6SGeorge Wilson #include <sys/multilist.h> 58*4d7988d6SPaul Dagnelie #include <sys/btree.h> 59fa9e4066Sahrens 60fa9e4066Sahrens #ifdef _KERNEL 61fa9e4066Sahrens #define ZFS_OBJ_NAME "zfs" 62c55e05cbSMatthew Ahrens extern int64_t mdb_gethrtime(void); 63fa9e4066Sahrens #else 64fa9e4066Sahrens #define ZFS_OBJ_NAME "libzpool.so.1" 65fa9e4066Sahrens #endif 66fa9e4066Sahrens 6728e4da25SMatthew Ahrens #define ZFS_STRUCT "struct " ZFS_OBJ_NAME "`" 6828e4da25SMatthew Ahrens 69feef89cfSVictor Latushkin #ifndef _KERNEL 70feef89cfSVictor Latushkin int aok; 71feef89cfSVictor Latushkin #endif 72feef89cfSVictor Latushkin 732e4c9986SGeorge Wilson enum spa_flags { 742e4c9986SGeorge Wilson SPA_FLAG_CONFIG = 1 << 0, 752e4c9986SGeorge Wilson SPA_FLAG_VDEVS = 1 << 1, 762e4c9986SGeorge Wilson SPA_FLAG_ERRORS = 1 << 2, 772e4c9986SGeorge Wilson SPA_FLAG_METASLAB_GROUPS = 1 << 3, 782e4c9986SGeorge Wilson SPA_FLAG_METASLABS = 1 << 4, 792e4c9986SGeorge Wilson SPA_FLAG_HISTOGRAMS = 1 << 5 802e4c9986SGeorge Wilson }; 812e4c9986SGeorge Wilson 8291e2a09fSSteve Gonczi /* 8391e2a09fSSteve Gonczi * If any of these flags are set, call spa_vdevs in spa_print 8491e2a09fSSteve Gonczi */ 852e4c9986SGeorge Wilson #define SPA_FLAG_ALL_VDEV \ 862e4c9986SGeorge Wilson (SPA_FLAG_VDEVS | SPA_FLAG_ERRORS | SPA_FLAG_METASLAB_GROUPS | \ 8791e2a09fSSteve Gonczi SPA_FLAG_METASLABS) 882e4c9986SGeorge Wilson 89fa9e4066Sahrens static int 90fa9e4066Sahrens getmember(uintptr_t addr, const char *type, mdb_ctf_id_t *idp, 91fa9e4066Sahrens const char *member, int len, void *buf) 92fa9e4066Sahrens { 93fa9e4066Sahrens mdb_ctf_id_t id; 94fa9e4066Sahrens ulong_t off; 95fa9e4066Sahrens char name[64]; 96fa9e4066Sahrens 97fa9e4066Sahrens if (idp == NULL) { 98fa9e4066Sahrens if (mdb_ctf_lookup_by_name(type, &id) == -1) { 99fa9e4066Sahrens mdb_warn("couldn't find type %s", type); 100fa9e4066Sahrens return (DCMD_ERR); 101fa9e4066Sahrens } 102fa9e4066Sahrens idp = &id; 103fa9e4066Sahrens } else { 104fa9e4066Sahrens type = name; 105fa9e4066Sahrens mdb_ctf_type_name(*idp, name, sizeof (name)); 106fa9e4066Sahrens } 107fa9e4066Sahrens 108fa9e4066Sahrens if (mdb_ctf_offsetof(*idp, member, &off) == -1) { 109fa9e4066Sahrens mdb_warn("couldn't find member %s of type %s\n", member, type); 110fa9e4066Sahrens return (DCMD_ERR); 111fa9e4066Sahrens } 112fa9e4066Sahrens if (off % 8 != 0) { 113fa9e4066Sahrens mdb_warn("member %s of type %s is unsupported bitfield", 114fa9e4066Sahrens member, type); 115fa9e4066Sahrens return (DCMD_ERR); 116fa9e4066Sahrens } 117fa9e4066Sahrens off /= 8; 118fa9e4066Sahrens 119fa9e4066Sahrens if (mdb_vread(buf, len, addr + off) == -1) { 120fa9e4066Sahrens mdb_warn("failed to read %s from %s at %p", 121fa9e4066Sahrens member, type, addr + off); 122fa9e4066Sahrens return (DCMD_ERR); 123fa9e4066Sahrens } 124fa9e4066Sahrens /* mdb_warn("read %s from %s at %p+%llx\n", member, type, addr, off); */ 125fa9e4066Sahrens 126fa9e4066Sahrens return (0); 127fa9e4066Sahrens } 128fa9e4066Sahrens 12928e4da25SMatthew Ahrens #define GETMEMB(addr, structname, member, dest) \ 13028e4da25SMatthew Ahrens getmember(addr, ZFS_STRUCT structname, NULL, #member, \ 13128e4da25SMatthew Ahrens sizeof (dest), &(dest)) 132fa9e4066Sahrens 133fa9e4066Sahrens #define GETMEMBID(addr, ctfid, member, dest) \ 134fa9e4066Sahrens getmember(addr, NULL, ctfid, #member, sizeof (dest), &(dest)) 135fa9e4066Sahrens 1363f9d6ad7SLin Ling static boolean_t 1373f9d6ad7SLin Ling strisprint(const char *cp) 1383f9d6ad7SLin Ling { 1393f9d6ad7SLin Ling for (; *cp; cp++) { 1403f9d6ad7SLin Ling if (!isprint(*cp)) 1413f9d6ad7SLin Ling return (B_FALSE); 1423f9d6ad7SLin Ling } 1433f9d6ad7SLin Ling return (B_TRUE); 1443f9d6ad7SLin Ling } 1453f9d6ad7SLin Ling 14617f11284SSerapheim Dimitropoulos /* 14717f11284SSerapheim Dimitropoulos * <addr>::sm_entries <buffer length in bytes> 14817f11284SSerapheim Dimitropoulos * 14917f11284SSerapheim Dimitropoulos * Treat the buffer specified by the given address as a buffer that contains 15017f11284SSerapheim Dimitropoulos * space map entries. Iterate over the specified number of entries and print 15117f11284SSerapheim Dimitropoulos * them in both encoded and decoded form. 15217f11284SSerapheim Dimitropoulos */ 15317f11284SSerapheim Dimitropoulos /* ARGSUSED */ 154fa9e4066Sahrens static int 15517f11284SSerapheim Dimitropoulos sm_entries(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 156fa9e4066Sahrens { 15717f11284SSerapheim Dimitropoulos uint64_t bufsz = 0; 15817f11284SSerapheim Dimitropoulos boolean_t preview = B_FALSE; 15917f11284SSerapheim Dimitropoulos 16017f11284SSerapheim Dimitropoulos if (!(flags & DCMD_ADDRSPEC)) 16117f11284SSerapheim Dimitropoulos return (DCMD_USAGE); 16217f11284SSerapheim Dimitropoulos 16317f11284SSerapheim Dimitropoulos if (argc < 1) { 16417f11284SSerapheim Dimitropoulos preview = B_TRUE; 16517f11284SSerapheim Dimitropoulos bufsz = 2; 16617f11284SSerapheim Dimitropoulos } else if (argc != 1) { 16717f11284SSerapheim Dimitropoulos return (DCMD_USAGE); 16817f11284SSerapheim Dimitropoulos } else { 16917f11284SSerapheim Dimitropoulos switch (argv[0].a_type) { 17017f11284SSerapheim Dimitropoulos case MDB_TYPE_STRING: 17117f11284SSerapheim Dimitropoulos bufsz = mdb_strtoull(argv[0].a_un.a_str); 17217f11284SSerapheim Dimitropoulos break; 17317f11284SSerapheim Dimitropoulos case MDB_TYPE_IMMEDIATE: 17417f11284SSerapheim Dimitropoulos bufsz = argv[0].a_un.a_val; 17517f11284SSerapheim Dimitropoulos break; 17617f11284SSerapheim Dimitropoulos default: 17717f11284SSerapheim Dimitropoulos return (DCMD_USAGE); 17817f11284SSerapheim Dimitropoulos } 179fa9e4066Sahrens } 180fa9e4066Sahrens 18117f11284SSerapheim Dimitropoulos char *actions[] = { "ALLOC", "FREE", "INVALID" }; 18217f11284SSerapheim Dimitropoulos for (uintptr_t bufend = addr + bufsz; addr < bufend; 18317f11284SSerapheim Dimitropoulos addr += sizeof (uint64_t)) { 18417f11284SSerapheim Dimitropoulos uint64_t nwords; 18517f11284SSerapheim Dimitropoulos uint64_t start_addr = addr; 186fa9e4066Sahrens 18717f11284SSerapheim Dimitropoulos uint64_t word = 0; 18817f11284SSerapheim Dimitropoulos if (mdb_vread(&word, sizeof (word), addr) == -1) { 18917f11284SSerapheim Dimitropoulos mdb_warn("failed to read space map entry %p", addr); 19017f11284SSerapheim Dimitropoulos return (DCMD_ERR); 19117f11284SSerapheim Dimitropoulos } 192fa9e4066Sahrens 19317f11284SSerapheim Dimitropoulos if (SM_PREFIX_DECODE(word) == SM_DEBUG_PREFIX) { 19417f11284SSerapheim Dimitropoulos (void) mdb_printf("\t [%6llu] %s: txg %llu, " 19517f11284SSerapheim Dimitropoulos "pass %llu\n", 19617f11284SSerapheim Dimitropoulos (u_longlong_t)(addr), 19717f11284SSerapheim Dimitropoulos actions[SM_DEBUG_ACTION_DECODE(word)], 19817f11284SSerapheim Dimitropoulos (u_longlong_t)SM_DEBUG_TXG_DECODE(word), 19917f11284SSerapheim Dimitropoulos (u_longlong_t)SM_DEBUG_SYNCPASS_DECODE(word)); 20017f11284SSerapheim Dimitropoulos continue; 20117f11284SSerapheim Dimitropoulos } 202fa9e4066Sahrens 20317f11284SSerapheim Dimitropoulos char entry_type; 20417f11284SSerapheim Dimitropoulos uint64_t raw_offset, raw_run, vdev_id = SM_NO_VDEVID; 20517f11284SSerapheim Dimitropoulos 20617f11284SSerapheim Dimitropoulos if (SM_PREFIX_DECODE(word) != SM2_PREFIX) { 20717f11284SSerapheim Dimitropoulos entry_type = (SM_TYPE_DECODE(word) == SM_ALLOC) ? 20817f11284SSerapheim Dimitropoulos 'A' : 'F'; 20917f11284SSerapheim Dimitropoulos raw_offset = SM_OFFSET_DECODE(word); 21017f11284SSerapheim Dimitropoulos raw_run = SM_RUN_DECODE(word); 21117f11284SSerapheim Dimitropoulos nwords = 1; 21217f11284SSerapheim Dimitropoulos } else { 21317f11284SSerapheim Dimitropoulos ASSERT3U(SM_PREFIX_DECODE(word), ==, SM2_PREFIX); 21417f11284SSerapheim Dimitropoulos 21517f11284SSerapheim Dimitropoulos raw_run = SM2_RUN_DECODE(word); 21617f11284SSerapheim Dimitropoulos vdev_id = SM2_VDEV_DECODE(word); 21717f11284SSerapheim Dimitropoulos 21817f11284SSerapheim Dimitropoulos /* it is a two-word entry so we read another word */ 21917f11284SSerapheim Dimitropoulos addr += sizeof (uint64_t); 22017f11284SSerapheim Dimitropoulos if (addr >= bufend) { 22117f11284SSerapheim Dimitropoulos mdb_warn("buffer ends in the middle of a two " 22217f11284SSerapheim Dimitropoulos "word entry\n", addr); 22317f11284SSerapheim Dimitropoulos return (DCMD_ERR); 22417f11284SSerapheim Dimitropoulos } 22517f11284SSerapheim Dimitropoulos 22617f11284SSerapheim Dimitropoulos if (mdb_vread(&word, sizeof (word), addr) == -1) { 22717f11284SSerapheim Dimitropoulos mdb_warn("failed to read space map entry %p", 22817f11284SSerapheim Dimitropoulos addr); 22917f11284SSerapheim Dimitropoulos return (DCMD_ERR); 23017f11284SSerapheim Dimitropoulos } 23117f11284SSerapheim Dimitropoulos 23217f11284SSerapheim Dimitropoulos entry_type = (SM2_TYPE_DECODE(word) == SM_ALLOC) ? 23317f11284SSerapheim Dimitropoulos 'A' : 'F'; 23417f11284SSerapheim Dimitropoulos raw_offset = SM2_OFFSET_DECODE(word); 23517f11284SSerapheim Dimitropoulos nwords = 2; 23617f11284SSerapheim Dimitropoulos } 23717f11284SSerapheim Dimitropoulos 23817f11284SSerapheim Dimitropoulos (void) mdb_printf("\t [%6llx] %c range:" 23917f11284SSerapheim Dimitropoulos " %010llx-%010llx size: %06llx vdev: %06llu words: %llu\n", 24017f11284SSerapheim Dimitropoulos (u_longlong_t)start_addr, 24117f11284SSerapheim Dimitropoulos entry_type, (u_longlong_t)raw_offset, 24217f11284SSerapheim Dimitropoulos (u_longlong_t)(raw_offset + raw_run), 24317f11284SSerapheim Dimitropoulos (u_longlong_t)raw_run, 24417f11284SSerapheim Dimitropoulos (u_longlong_t)vdev_id, (u_longlong_t)nwords); 24517f11284SSerapheim Dimitropoulos 24617f11284SSerapheim Dimitropoulos if (preview) 24717f11284SSerapheim Dimitropoulos break; 248fa9e4066Sahrens } 24917f11284SSerapheim Dimitropoulos return (DCMD_OK); 250fa9e4066Sahrens } 251fa9e4066Sahrens 252fa9e4066Sahrens static int 25328e4da25SMatthew Ahrens mdb_dsl_dir_name(uintptr_t addr, char *buf) 254fa9e4066Sahrens { 255fa9e4066Sahrens static int gotid; 256fa9e4066Sahrens static mdb_ctf_id_t dd_id; 257fa9e4066Sahrens uintptr_t dd_parent; 2589adfa60dSMatthew Ahrens char dd_myname[ZFS_MAX_DATASET_NAME_LEN]; 259fa9e4066Sahrens 260fa9e4066Sahrens if (!gotid) { 26128e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "dsl_dir", 262fa9e4066Sahrens &dd_id) == -1) { 263fa9e4066Sahrens mdb_warn("couldn't find struct dsl_dir"); 264fa9e4066Sahrens return (DCMD_ERR); 265fa9e4066Sahrens } 266fa9e4066Sahrens gotid = TRUE; 267fa9e4066Sahrens } 268fa9e4066Sahrens if (GETMEMBID(addr, &dd_id, dd_parent, dd_parent) || 269fa9e4066Sahrens GETMEMBID(addr, &dd_id, dd_myname, dd_myname)) { 270fa9e4066Sahrens return (DCMD_ERR); 271fa9e4066Sahrens } 272fa9e4066Sahrens 273fa9e4066Sahrens if (dd_parent) { 27428e4da25SMatthew Ahrens if (mdb_dsl_dir_name(dd_parent, buf)) 275fa9e4066Sahrens return (DCMD_ERR); 276fa9e4066Sahrens strcat(buf, "/"); 277fa9e4066Sahrens } 278fa9e4066Sahrens 279fa9e4066Sahrens if (dd_myname[0]) 280fa9e4066Sahrens strcat(buf, dd_myname); 281fa9e4066Sahrens else 282fa9e4066Sahrens strcat(buf, "???"); 283fa9e4066Sahrens 284fa9e4066Sahrens return (0); 285fa9e4066Sahrens } 286fa9e4066Sahrens 287fa9e4066Sahrens static int 288fa9e4066Sahrens objset_name(uintptr_t addr, char *buf) 289fa9e4066Sahrens { 290fa9e4066Sahrens static int gotid; 2914223fc7cSMark Shellenbaum static mdb_ctf_id_t os_id, ds_id; 292fa9e4066Sahrens uintptr_t os_dsl_dataset; 2939adfa60dSMatthew Ahrens char ds_snapname[ZFS_MAX_DATASET_NAME_LEN]; 294fa9e4066Sahrens uintptr_t ds_dir; 295fa9e4066Sahrens 296fa9e4066Sahrens buf[0] = '\0'; 297fa9e4066Sahrens 298fa9e4066Sahrens if (!gotid) { 29928e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "objset", 3004223fc7cSMark Shellenbaum &os_id) == -1) { 3014223fc7cSMark Shellenbaum mdb_warn("couldn't find struct objset"); 302fa9e4066Sahrens return (DCMD_ERR); 303fa9e4066Sahrens } 30428e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "dsl_dataset", 305fa9e4066Sahrens &ds_id) == -1) { 306fa9e4066Sahrens mdb_warn("couldn't find struct dsl_dataset"); 307fa9e4066Sahrens return (DCMD_ERR); 308fa9e4066Sahrens } 309fa9e4066Sahrens 310fa9e4066Sahrens gotid = TRUE; 311fa9e4066Sahrens } 312fa9e4066Sahrens 3134223fc7cSMark Shellenbaum if (GETMEMBID(addr, &os_id, os_dsl_dataset, os_dsl_dataset)) 314fa9e4066Sahrens return (DCMD_ERR); 315fa9e4066Sahrens 316fa9e4066Sahrens if (os_dsl_dataset == 0) { 317fa9e4066Sahrens strcat(buf, "mos"); 318fa9e4066Sahrens return (0); 319fa9e4066Sahrens } 320fa9e4066Sahrens 321fa9e4066Sahrens if (GETMEMBID(os_dsl_dataset, &ds_id, ds_snapname, ds_snapname) || 322fa9e4066Sahrens GETMEMBID(os_dsl_dataset, &ds_id, ds_dir, ds_dir)) { 323fa9e4066Sahrens return (DCMD_ERR); 324fa9e4066Sahrens } 325fa9e4066Sahrens 32628e4da25SMatthew Ahrens if (ds_dir && mdb_dsl_dir_name(ds_dir, buf)) 327fa9e4066Sahrens return (DCMD_ERR); 328fa9e4066Sahrens 329fa9e4066Sahrens if (ds_snapname[0]) { 330fa9e4066Sahrens strcat(buf, "@"); 331fa9e4066Sahrens strcat(buf, ds_snapname); 332fa9e4066Sahrens } 333fa9e4066Sahrens return (0); 334fa9e4066Sahrens } 335fa9e4066Sahrens 3368363e80aSGeorge Wilson static int 3378363e80aSGeorge Wilson enum_lookup(char *type, int val, const char *prefix, size_t size, char *out) 338fa9e4066Sahrens { 339fa9e4066Sahrens const char *cp; 340fa9e4066Sahrens size_t len = strlen(prefix); 3418363e80aSGeorge Wilson mdb_ctf_id_t enum_type; 3428363e80aSGeorge Wilson 3438363e80aSGeorge Wilson if (mdb_ctf_lookup_by_name(type, &enum_type) != 0) { 3448363e80aSGeorge Wilson mdb_warn("Could not find enum for %s", type); 3458363e80aSGeorge Wilson return (-1); 3468363e80aSGeorge Wilson } 347fa9e4066Sahrens 3488363e80aSGeorge Wilson if ((cp = mdb_ctf_enum_name(enum_type, val)) != NULL) { 349fa9e4066Sahrens if (strncmp(cp, prefix, len) == 0) 350fa9e4066Sahrens cp += len; 351fa9e4066Sahrens (void) strncpy(out, cp, size); 352fa9e4066Sahrens } else { 353fa9e4066Sahrens mdb_snprintf(out, size, "? (%d)", val); 354fa9e4066Sahrens } 3558363e80aSGeorge Wilson return (0); 356fa9e4066Sahrens } 357fa9e4066Sahrens 358614409b5Sahrens /* ARGSUSED */ 359614409b5Sahrens static int 360614409b5Sahrens zfs_params(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 361614409b5Sahrens { 362614409b5Sahrens /* 363614409b5Sahrens * This table can be approximately generated by running: 364614409b5Sahrens * egrep "^[a-z0-9_]+ [a-z0-9_]+( =.*)?;" *.c | cut -d ' ' -f 2 365614409b5Sahrens */ 366614409b5Sahrens static const char *params[] = { 36769962b56SMatthew Ahrens "arc_lotsfree_percent", 368bfcdb3d6Sloli "arc_pages_pp_reserve", 369bfcdb3d6Sloli "arc_reduce_dnlc_percent", 370bfcdb3d6Sloli "arc_swapfs_reserve", 371bfcdb3d6Sloli "arc_zio_arena_free_shift", 372bfcdb3d6Sloli "dbuf_cache_hiwater_pct", 373bfcdb3d6Sloli "dbuf_cache_lowater_pct", 374bfcdb3d6Sloli "dbuf_cache_max_bytes", 375bfcdb3d6Sloli "dbuf_cache_max_shift", 376bfcdb3d6Sloli "ddt_zap_indirect_blockshift", 377bfcdb3d6Sloli "ddt_zap_leaf_blockshift", 378bfcdb3d6Sloli "ditto_same_vdev_distance_shift", 379bfcdb3d6Sloli "dmu_find_threads", 380bfcdb3d6Sloli "dmu_rescan_dnode_threshold", 381bfcdb3d6Sloli "dsl_scan_delay_completion", 382bfcdb3d6Sloli "fzap_default_block_shift", 383bfcdb3d6Sloli "l2arc_feed_again", 384bfcdb3d6Sloli "l2arc_feed_min_ms", 385bfcdb3d6Sloli "l2arc_feed_secs", 386bfcdb3d6Sloli "l2arc_headroom", 387bfcdb3d6Sloli "l2arc_headroom_boost", 388bfcdb3d6Sloli "l2arc_noprefetch", 389bfcdb3d6Sloli "l2arc_norw", 390bfcdb3d6Sloli "l2arc_write_boost", 391bfcdb3d6Sloli "l2arc_write_max", 392bfcdb3d6Sloli "metaslab_aliquot", 393bfcdb3d6Sloli "metaslab_bias_enabled", 394bfcdb3d6Sloli "metaslab_debug_load", 395bfcdb3d6Sloli "metaslab_debug_unload", 396bfcdb3d6Sloli "metaslab_df_alloc_threshold", 397bfcdb3d6Sloli "metaslab_df_free_pct", 398bfcdb3d6Sloli "metaslab_fragmentation_factor_enabled", 399bfcdb3d6Sloli "metaslab_force_ganging", 400bfcdb3d6Sloli "metaslab_lba_weighting_enabled", 401bfcdb3d6Sloli "metaslab_load_pct", 402bfcdb3d6Sloli "metaslab_min_alloc_size", 403bfcdb3d6Sloli "metaslab_ndf_clump_shift", 404bfcdb3d6Sloli "metaslab_preload_enabled", 405bfcdb3d6Sloli "metaslab_preload_limit", 406bfcdb3d6Sloli "metaslab_trace_enabled", 407bfcdb3d6Sloli "metaslab_trace_max_entries", 408bfcdb3d6Sloli "metaslab_unload_delay", 409bfcdb3d6Sloli "metaslabs_per_vdev", 410bfcdb3d6Sloli "reference_history", 411bfcdb3d6Sloli "reference_tracking_enable", 412bfcdb3d6Sloli "send_holes_without_birth_time", 41369962b56SMatthew Ahrens "spa_asize_inflation", 414bfcdb3d6Sloli "spa_load_verify_data", 415bfcdb3d6Sloli "spa_load_verify_maxinflight", 416bfcdb3d6Sloli "spa_load_verify_metadata", 417bfcdb3d6Sloli "spa_max_replication_override", 418bfcdb3d6Sloli "spa_min_slop", 419bfcdb3d6Sloli "spa_mode_global", 420bfcdb3d6Sloli "spa_slop_shift", 421bfcdb3d6Sloli "space_map_blksz", 422bfcdb3d6Sloli "vdev_mirror_shift", 423bfcdb3d6Sloli "zfetch_max_distance", 424bfcdb3d6Sloli "zfs_abd_chunk_size", 425bfcdb3d6Sloli "zfs_abd_scatter_enabled", 426bfcdb3d6Sloli "zfs_arc_average_blocksize", 427bfcdb3d6Sloli "zfs_arc_evict_batch_limit", 428bfcdb3d6Sloli "zfs_arc_grow_retry", 429614409b5Sahrens "zfs_arc_max", 430bfcdb3d6Sloli "zfs_arc_meta_limit", 431bfcdb3d6Sloli "zfs_arc_meta_min", 432614409b5Sahrens "zfs_arc_min", 433bfcdb3d6Sloli "zfs_arc_p_min_shift", 434bfcdb3d6Sloli "zfs_arc_shrink_shift", 435bfcdb3d6Sloli "zfs_async_block_max_blocks", 436bfcdb3d6Sloli "zfs_ccw_retry_interval", 437bfcdb3d6Sloli "zfs_commit_timeout_pct", 438bfcdb3d6Sloli "zfs_compressed_arc_enabled", 439bfcdb3d6Sloli "zfs_condense_indirect_commit_entry_delay_ticks", 440bfcdb3d6Sloli "zfs_condense_indirect_vdevs_enable", 441bfcdb3d6Sloli "zfs_condense_max_obsolete_bytes", 442bfcdb3d6Sloli "zfs_condense_min_mapping_bytes", 443bfcdb3d6Sloli "zfs_condense_pct", 444bfcdb3d6Sloli "zfs_dbgmsg_maxsize", 445bfcdb3d6Sloli "zfs_deadman_checktime_ms", 446bfcdb3d6Sloli "zfs_deadman_enabled", 447bfcdb3d6Sloli "zfs_deadman_synctime_ms", 448bfcdb3d6Sloli "zfs_dedup_prefetch", 449614409b5Sahrens "zfs_default_bs", 450614409b5Sahrens "zfs_default_ibs", 451bfcdb3d6Sloli "zfs_delay_max_ns", 452bfcdb3d6Sloli "zfs_delay_min_dirty_percent", 453bfcdb3d6Sloli "zfs_delay_resolution_ns", 454bfcdb3d6Sloli "zfs_delay_scale", 455bfcdb3d6Sloli "zfs_dirty_data_max", 456bfcdb3d6Sloli "zfs_dirty_data_max_max", 457bfcdb3d6Sloli "zfs_dirty_data_max_percent", 458bfcdb3d6Sloli "zfs_dirty_data_sync", 459614409b5Sahrens "zfs_flags", 460bfcdb3d6Sloli "zfs_free_bpobj_enabled", 461bfcdb3d6Sloli "zfs_free_leak_on_eio", 462bfcdb3d6Sloli "zfs_free_min_time_ms", 463bfcdb3d6Sloli "zfs_fsync_sync_cnt", 464bfcdb3d6Sloli "zfs_immediate_write_sz", 465bfcdb3d6Sloli "zfs_indirect_condense_obsolete_pct", 466bfcdb3d6Sloli "zfs_lua_check_instrlimit_interval", 467bfcdb3d6Sloli "zfs_lua_max_instrlimit", 468bfcdb3d6Sloli "zfs_lua_max_memlimit", 469bfcdb3d6Sloli "zfs_max_recordsize", 470bfcdb3d6Sloli "zfs_mdcomp_disable", 471bfcdb3d6Sloli "zfs_metaslab_condense_block_threshold", 472bfcdb3d6Sloli "zfs_metaslab_fragmentation_threshold", 473bfcdb3d6Sloli "zfs_metaslab_segment_weight_enabled", 474bfcdb3d6Sloli "zfs_metaslab_switch_threshold", 475bfcdb3d6Sloli "zfs_mg_fragmentation_threshold", 476bfcdb3d6Sloli "zfs_mg_noalloc_threshold", 477bfcdb3d6Sloli "zfs_multilist_num_sublists", 478b16da2e2SGeorge Wilson "zfs_no_scrub_io", 479b16da2e2SGeorge Wilson "zfs_no_scrub_prefetch", 480614409b5Sahrens "zfs_nocacheflush", 481bfcdb3d6Sloli "zfs_nopwrite_enabled", 482bfcdb3d6Sloli "zfs_object_remap_one_indirect_delay_ticks", 483bfcdb3d6Sloli "zfs_obsolete_min_time_ms", 484bfcdb3d6Sloli "zfs_pd_bytes_max", 485bfcdb3d6Sloli "zfs_per_txg_dirty_frees_percent", 486bfcdb3d6Sloli "zfs_prefetch_disable", 487bfcdb3d6Sloli "zfs_read_chunk_size", 488bfcdb3d6Sloli "zfs_recover", 489bfcdb3d6Sloli "zfs_recv_queue_length", 490bfcdb3d6Sloli "zfs_redundant_metadata_most_ditto_level", 491bfcdb3d6Sloli "zfs_remap_blkptr_enable", 492bfcdb3d6Sloli "zfs_remove_max_copy_bytes", 493bfcdb3d6Sloli "zfs_remove_max_segment", 494bfcdb3d6Sloli "zfs_resilver_delay", 495bfcdb3d6Sloli "zfs_resilver_min_time_ms", 496bfcdb3d6Sloli "zfs_scan_idle", 497bfcdb3d6Sloli "zfs_scan_min_time_ms", 498bfcdb3d6Sloli "zfs_scrub_delay", 499bfcdb3d6Sloli "zfs_scrub_limit", 500bfcdb3d6Sloli "zfs_send_corrupt_data", 501bfcdb3d6Sloli "zfs_send_queue_length", 502bfcdb3d6Sloli "zfs_send_set_freerecords_bit", 503bfcdb3d6Sloli "zfs_sync_pass_deferred_free", 504bfcdb3d6Sloli "zfs_sync_pass_dont_compress", 505bfcdb3d6Sloli "zfs_sync_pass_rewrite", 506bfcdb3d6Sloli "zfs_sync_taskq_batch_pct", 507bfcdb3d6Sloli "zfs_top_maxinflight", 508bfcdb3d6Sloli "zfs_txg_timeout", 509bfcdb3d6Sloli "zfs_vdev_aggregation_limit", 510bfcdb3d6Sloli "zfs_vdev_async_read_max_active", 511bfcdb3d6Sloli "zfs_vdev_async_read_min_active", 512bfcdb3d6Sloli "zfs_vdev_async_write_active_max_dirty_percent", 513bfcdb3d6Sloli "zfs_vdev_async_write_active_min_dirty_percent", 514bfcdb3d6Sloli "zfs_vdev_async_write_max_active", 515bfcdb3d6Sloli "zfs_vdev_async_write_min_active", 516bfcdb3d6Sloli "zfs_vdev_cache_bshift", 517bfcdb3d6Sloli "zfs_vdev_cache_max", 518bfcdb3d6Sloli "zfs_vdev_cache_size", 519bfcdb3d6Sloli "zfs_vdev_max_active", 520bfcdb3d6Sloli "zfs_vdev_queue_depth_pct", 521bfcdb3d6Sloli "zfs_vdev_read_gap_limit", 522bfcdb3d6Sloli "zfs_vdev_removal_max_active", 523bfcdb3d6Sloli "zfs_vdev_removal_min_active", 524bfcdb3d6Sloli "zfs_vdev_scrub_max_active", 525bfcdb3d6Sloli "zfs_vdev_scrub_min_active", 526bfcdb3d6Sloli "zfs_vdev_sync_read_max_active", 527bfcdb3d6Sloli "zfs_vdev_sync_read_min_active", 528bfcdb3d6Sloli "zfs_vdev_sync_write_max_active", 529bfcdb3d6Sloli "zfs_vdev_sync_write_min_active", 530bfcdb3d6Sloli "zfs_vdev_write_gap_limit", 531bfcdb3d6Sloli "zfs_write_implies_delete_child", 532bfcdb3d6Sloli "zfs_zil_clean_taskq_maxalloc", 533bfcdb3d6Sloli "zfs_zil_clean_taskq_minalloc", 534bfcdb3d6Sloli "zfs_zil_clean_taskq_nthr_pct", 53555da60b9SMark J Musante "zil_replay_disable", 536bfcdb3d6Sloli "zil_slog_bulk", 537bfcdb3d6Sloli "zio_buf_debug_limit", 538bfcdb3d6Sloli "zio_dva_throttle_enabled", 539614409b5Sahrens "zio_injection_enabled", 540614409b5Sahrens "zvol_immediate_write_sz", 541bfcdb3d6Sloli "zvol_maxphys", 542bfcdb3d6Sloli "zvol_unmap_enabled", 543bfcdb3d6Sloli "zvol_unmap_sync_enabled", 5445ac95da7SSerapheim Dimitropoulos "zfs_max_dataset_nesting", 545614409b5Sahrens }; 546614409b5Sahrens 547b24ab676SJeff Bonwick for (int i = 0; i < sizeof (params) / sizeof (params[0]); i++) { 548614409b5Sahrens int sz; 549614409b5Sahrens uint64_t val64; 550614409b5Sahrens uint32_t *val32p = (uint32_t *)&val64; 551614409b5Sahrens 552614409b5Sahrens sz = mdb_readvar(&val64, params[i]); 553614409b5Sahrens if (sz == 4) { 554614409b5Sahrens mdb_printf("%s = 0x%x\n", params[i], *val32p); 555614409b5Sahrens } else if (sz == 8) { 556614409b5Sahrens mdb_printf("%s = 0x%llx\n", params[i], val64); 557614409b5Sahrens } else { 558614409b5Sahrens mdb_warn("variable %s not found", params[i]); 559614409b5Sahrens } 560614409b5Sahrens } 561614409b5Sahrens 562614409b5Sahrens return (DCMD_OK); 563614409b5Sahrens } 564614409b5Sahrens 5655cabbc6bSPrashanth Sreenivasa /* ARGSUSED */ 5665cabbc6bSPrashanth Sreenivasa static int 5675cabbc6bSPrashanth Sreenivasa dva(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 5685cabbc6bSPrashanth Sreenivasa { 5695cabbc6bSPrashanth Sreenivasa dva_t dva; 5705cabbc6bSPrashanth Sreenivasa if (mdb_vread(&dva, sizeof (dva_t), addr) == -1) { 5715cabbc6bSPrashanth Sreenivasa mdb_warn("failed to read dva_t"); 5725cabbc6bSPrashanth Sreenivasa return (DCMD_ERR); 5735cabbc6bSPrashanth Sreenivasa } 5745cabbc6bSPrashanth Sreenivasa mdb_printf("<%llu:%llx:%llx>\n", 5755cabbc6bSPrashanth Sreenivasa (u_longlong_t)DVA_GET_VDEV(&dva), 5765cabbc6bSPrashanth Sreenivasa (u_longlong_t)DVA_GET_OFFSET(&dva), 5775cabbc6bSPrashanth Sreenivasa (u_longlong_t)DVA_GET_ASIZE(&dva)); 5785cabbc6bSPrashanth Sreenivasa 5795cabbc6bSPrashanth Sreenivasa return (DCMD_OK); 5805cabbc6bSPrashanth Sreenivasa } 5815cabbc6bSPrashanth Sreenivasa 582eb633035STom Caputi typedef struct mdb_dmu_object_type_info { 583eb633035STom Caputi boolean_t ot_encrypt; 584eb633035STom Caputi } mdb_dmu_object_type_info_t; 585eb633035STom Caputi 586eb633035STom Caputi static boolean_t 587eb633035STom Caputi mdb_dmu_ot_is_encrypted_impl(dmu_object_type_t ot) 588eb633035STom Caputi { 589eb633035STom Caputi mdb_dmu_object_type_info_t mdoti; 590eb633035STom Caputi GElf_Sym sym; 591eb633035STom Caputi size_t sz = mdb_ctf_sizeof_by_name("dmu_object_type_info_t"); 592eb633035STom Caputi 593eb633035STom Caputi if (mdb_lookup_by_obj(ZFS_OBJ_NAME, "dmu_ot", &sym)) { 594eb633035STom Caputi mdb_warn("failed to find " ZFS_OBJ_NAME "`dmu_ot"); 595eb633035STom Caputi return (B_FALSE); 596eb633035STom Caputi } 597eb633035STom Caputi 598eb633035STom Caputi if (mdb_ctf_vread(&mdoti, "dmu_object_type_info_t", 599eb633035STom Caputi "mdb_dmu_object_type_info_t", sym.st_value + sz * ot, 0) != 0) { 600eb633035STom Caputi return (B_FALSE); 601eb633035STom Caputi } 602eb633035STom Caputi 603eb633035STom Caputi return (mdoti.ot_encrypt); 604eb633035STom Caputi } 605eb633035STom Caputi 606fa9e4066Sahrens /* ARGSUSED */ 607fa9e4066Sahrens static int 608fa9e4066Sahrens blkptr(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 609fa9e4066Sahrens { 610b24ab676SJeff Bonwick char type[80], checksum[80], compress[80]; 611b24ab676SJeff Bonwick blkptr_t blk, *bp = &blk; 612b24ab676SJeff Bonwick char buf[BP_SPRINTF_LEN]; 613fa9e4066Sahrens 614b24ab676SJeff Bonwick if (mdb_vread(&blk, sizeof (blkptr_t), addr) == -1) { 615fa9e4066Sahrens mdb_warn("failed to read blkptr_t"); 616fa9e4066Sahrens return (DCMD_ERR); 617fa9e4066Sahrens } 618fa9e4066Sahrens 6198363e80aSGeorge Wilson if (enum_lookup("enum dmu_object_type", BP_GET_TYPE(bp), "DMU_OT_", 6208363e80aSGeorge Wilson sizeof (type), type) == -1 || 6218363e80aSGeorge Wilson enum_lookup("enum zio_checksum", BP_GET_CHECKSUM(bp), 6228363e80aSGeorge Wilson "ZIO_CHECKSUM_", sizeof (checksum), checksum) == -1 || 6238363e80aSGeorge Wilson enum_lookup("enum zio_compress", BP_GET_COMPRESS(bp), 6248363e80aSGeorge Wilson "ZIO_COMPRESS_", sizeof (compress), compress) == -1) { 625b24ab676SJeff Bonwick mdb_warn("Could not find blkptr enumerated types"); 626fa9e4066Sahrens return (DCMD_ERR); 627fa9e4066Sahrens } 628fa9e4066Sahrens 62943466aaeSMax Grossman SNPRINTF_BLKPTR(mdb_snprintf, '\n', buf, sizeof (buf), bp, type, 63043466aaeSMax Grossman checksum, compress); 631fa9e4066Sahrens 632b24ab676SJeff Bonwick mdb_printf("%s\n", buf); 633fa9e4066Sahrens 634fa9e4066Sahrens return (DCMD_OK); 635fa9e4066Sahrens } 636fa9e4066Sahrens 63728e4da25SMatthew Ahrens typedef struct mdb_dmu_buf_impl { 63828e4da25SMatthew Ahrens struct { 63928e4da25SMatthew Ahrens uint64_t db_object; 6402515f5d4SJustin T. Gibbs uintptr_t db_data; 64128e4da25SMatthew Ahrens } db; 642d5ee8a13SMatthew Ahrens uintptr_t db_objset; 64328e4da25SMatthew Ahrens uint64_t db_level; 64428e4da25SMatthew Ahrens uint64_t db_blkid; 64528e4da25SMatthew Ahrens struct { 64628e4da25SMatthew Ahrens uint64_t rc_count; 64728e4da25SMatthew Ahrens } db_holds; 64828e4da25SMatthew Ahrens } mdb_dmu_buf_impl_t; 64928e4da25SMatthew Ahrens 650fa9e4066Sahrens /* ARGSUSED */ 651fa9e4066Sahrens static int 652fa9e4066Sahrens dbuf(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 653fa9e4066Sahrens { 65428e4da25SMatthew Ahrens mdb_dmu_buf_impl_t db; 655fa9e4066Sahrens char objectname[32]; 656fa9e4066Sahrens char blkidname[32]; 6579adfa60dSMatthew Ahrens char path[ZFS_MAX_DATASET_NAME_LEN]; 658ba3132cfSJoe Stein int ptr_width = (int)(sizeof (void *)) * 2; 659fa9e4066Sahrens 66028e4da25SMatthew Ahrens if (DCMD_HDRSPEC(flags)) 661ba3132cfSJoe Stein mdb_printf("%*s %8s %3s %9s %5s %s\n", 662ba3132cfSJoe Stein ptr_width, "addr", "object", "lvl", "blkid", "holds", "os"); 663fa9e4066Sahrens 66428e4da25SMatthew Ahrens if (mdb_ctf_vread(&db, ZFS_STRUCT "dmu_buf_impl", "mdb_dmu_buf_impl_t", 66528e4da25SMatthew Ahrens addr, 0) == -1) 666fa9e4066Sahrens return (DCMD_ERR); 667fa9e4066Sahrens 66828e4da25SMatthew Ahrens if (db.db.db_object == DMU_META_DNODE_OBJECT) 669fa9e4066Sahrens (void) strcpy(objectname, "mdn"); 670fa9e4066Sahrens else 671fa9e4066Sahrens (void) mdb_snprintf(objectname, sizeof (objectname), "%llx", 67228e4da25SMatthew Ahrens (u_longlong_t)db.db.db_object); 673fa9e4066Sahrens 67428e4da25SMatthew Ahrens if (db.db_blkid == DMU_BONUS_BLKID) 675fa9e4066Sahrens (void) strcpy(blkidname, "bonus"); 676fa9e4066Sahrens else 677fa9e4066Sahrens (void) mdb_snprintf(blkidname, sizeof (blkidname), "%llx", 67828e4da25SMatthew Ahrens (u_longlong_t)db.db_blkid); 679fa9e4066Sahrens 680d5ee8a13SMatthew Ahrens if (objset_name(db.db_objset, path)) { 68128e4da25SMatthew Ahrens return (DCMD_ERR); 682fa9e4066Sahrens } 683fa9e4066Sahrens 684ba3132cfSJoe Stein mdb_printf("%*p %8s %3u %9s %5llu %s\n", ptr_width, addr, 68528e4da25SMatthew Ahrens objectname, (int)db.db_level, blkidname, 68628e4da25SMatthew Ahrens db.db_holds.rc_count, path); 687fa9e4066Sahrens 688fa9e4066Sahrens return (DCMD_OK); 689fa9e4066Sahrens } 690fa9e4066Sahrens 691fa9e4066Sahrens /* ARGSUSED */ 692fa9e4066Sahrens static int 693fa9e4066Sahrens dbuf_stats(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 694fa9e4066Sahrens { 695fa9e4066Sahrens #define HISTOSZ 32 696fa9e4066Sahrens uintptr_t dbp; 697fa9e4066Sahrens dmu_buf_impl_t db; 698fa9e4066Sahrens dbuf_hash_table_t ht; 699fa9e4066Sahrens uint64_t bucket, ndbufs; 700fa9e4066Sahrens uint64_t histo[HISTOSZ]; 701fa9e4066Sahrens uint64_t histo2[HISTOSZ]; 702fa9e4066Sahrens int i, maxidx; 703fa9e4066Sahrens 704fa9e4066Sahrens if (mdb_readvar(&ht, "dbuf_hash_table") == -1) { 705fa9e4066Sahrens mdb_warn("failed to read 'dbuf_hash_table'"); 706fa9e4066Sahrens return (DCMD_ERR); 707fa9e4066Sahrens } 708fa9e4066Sahrens 709fa9e4066Sahrens for (i = 0; i < HISTOSZ; i++) { 710fa9e4066Sahrens histo[i] = 0; 711fa9e4066Sahrens histo2[i] = 0; 712fa9e4066Sahrens } 713fa9e4066Sahrens 714fa9e4066Sahrens ndbufs = 0; 715fa9e4066Sahrens for (bucket = 0; bucket < ht.hash_table_mask+1; bucket++) { 716fa9e4066Sahrens int len; 717fa9e4066Sahrens 718fa9e4066Sahrens if (mdb_vread(&dbp, sizeof (void *), 719fa9e4066Sahrens (uintptr_t)(ht.hash_table+bucket)) == -1) { 720fa9e4066Sahrens mdb_warn("failed to read hash bucket %u at %p", 721fa9e4066Sahrens bucket, ht.hash_table+bucket); 722fa9e4066Sahrens return (DCMD_ERR); 723fa9e4066Sahrens } 724fa9e4066Sahrens 725fa9e4066Sahrens len = 0; 726fa9e4066Sahrens while (dbp != 0) { 727fa9e4066Sahrens if (mdb_vread(&db, sizeof (dmu_buf_impl_t), 728fa9e4066Sahrens dbp) == -1) { 729fa9e4066Sahrens mdb_warn("failed to read dbuf at %p", dbp); 730fa9e4066Sahrens return (DCMD_ERR); 731fa9e4066Sahrens } 732fa9e4066Sahrens dbp = (uintptr_t)db.db_hash_next; 733fa9e4066Sahrens for (i = MIN(len, HISTOSZ - 1); i >= 0; i--) 734fa9e4066Sahrens histo2[i]++; 735fa9e4066Sahrens len++; 736fa9e4066Sahrens ndbufs++; 737fa9e4066Sahrens } 738fa9e4066Sahrens 739fa9e4066Sahrens if (len >= HISTOSZ) 740fa9e4066Sahrens len = HISTOSZ-1; 741fa9e4066Sahrens histo[len]++; 742fa9e4066Sahrens } 743fa9e4066Sahrens 744fa9e4066Sahrens mdb_printf("hash table has %llu buckets, %llu dbufs " 745fa9e4066Sahrens "(avg %llu buckets/dbuf)\n", 746fa9e4066Sahrens ht.hash_table_mask+1, ndbufs, 747fa9e4066Sahrens (ht.hash_table_mask+1)/ndbufs); 748fa9e4066Sahrens 749fa9e4066Sahrens mdb_printf("\n"); 750fa9e4066Sahrens maxidx = 0; 751fa9e4066Sahrens for (i = 0; i < HISTOSZ; i++) 752fa9e4066Sahrens if (histo[i] > 0) 753fa9e4066Sahrens maxidx = i; 754fa9e4066Sahrens mdb_printf("hash chain length number of buckets\n"); 755fa9e4066Sahrens for (i = 0; i <= maxidx; i++) 756fa9e4066Sahrens mdb_printf("%u %llu\n", i, histo[i]); 757fa9e4066Sahrens 758fa9e4066Sahrens mdb_printf("\n"); 759fa9e4066Sahrens maxidx = 0; 760fa9e4066Sahrens for (i = 0; i < HISTOSZ; i++) 761fa9e4066Sahrens if (histo2[i] > 0) 762fa9e4066Sahrens maxidx = i; 763fa9e4066Sahrens mdb_printf("hash chain depth number of dbufs\n"); 764fa9e4066Sahrens for (i = 0; i <= maxidx; i++) 765fa9e4066Sahrens mdb_printf("%u or more %llu %llu%%\n", 766fa9e4066Sahrens i, histo2[i], histo2[i]*100/ndbufs); 767fa9e4066Sahrens 768fa9e4066Sahrens 769fa9e4066Sahrens return (DCMD_OK); 770fa9e4066Sahrens } 771fa9e4066Sahrens 7723f1f8012SMatthew Ahrens #define CHAIN_END 0xffff 7733f1f8012SMatthew Ahrens /* 7743f1f8012SMatthew Ahrens * ::zap_leaf [-v] 7753f1f8012SMatthew Ahrens * 7763f1f8012SMatthew Ahrens * Print a zap_leaf_phys_t, assumed to be 16k 7773f1f8012SMatthew Ahrens */ 7783f1f8012SMatthew Ahrens /* ARGSUSED */ 7793f1f8012SMatthew Ahrens static int 7803f1f8012SMatthew Ahrens zap_leaf(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 7813f1f8012SMatthew Ahrens { 7823f1f8012SMatthew Ahrens char buf[16*1024]; 7833f1f8012SMatthew Ahrens int verbose = B_FALSE; 7843f1f8012SMatthew Ahrens int four = B_FALSE; 785c1379625SJustin T. Gibbs dmu_buf_t l_dbuf; 7863f1f8012SMatthew Ahrens zap_leaf_t l; 7873f1f8012SMatthew Ahrens zap_leaf_phys_t *zlp = (void *)buf; 7883f1f8012SMatthew Ahrens int i; 7893f1f8012SMatthew Ahrens 7903f1f8012SMatthew Ahrens if (mdb_getopts(argc, argv, 7913f1f8012SMatthew Ahrens 'v', MDB_OPT_SETBITS, TRUE, &verbose, 7923f1f8012SMatthew Ahrens '4', MDB_OPT_SETBITS, TRUE, &four, 7933f1f8012SMatthew Ahrens NULL) != argc) 7943f1f8012SMatthew Ahrens return (DCMD_USAGE); 7953f1f8012SMatthew Ahrens 796c1379625SJustin T. Gibbs l_dbuf.db_data = zlp; 797c1379625SJustin T. Gibbs l.l_dbuf = &l_dbuf; 7983f1f8012SMatthew Ahrens l.l_bs = 14; /* assume 16k blocks */ 7993f1f8012SMatthew Ahrens if (four) 8003f1f8012SMatthew Ahrens l.l_bs = 12; 8013f1f8012SMatthew Ahrens 8023f1f8012SMatthew Ahrens if (!(flags & DCMD_ADDRSPEC)) { 8033f1f8012SMatthew Ahrens return (DCMD_USAGE); 8043f1f8012SMatthew Ahrens } 8053f1f8012SMatthew Ahrens 8063f1f8012SMatthew Ahrens if (mdb_vread(buf, sizeof (buf), addr) == -1) { 8073f1f8012SMatthew Ahrens mdb_warn("failed to read zap_leaf_phys_t at %p", addr); 8083f1f8012SMatthew Ahrens return (DCMD_ERR); 8093f1f8012SMatthew Ahrens } 8103f1f8012SMatthew Ahrens 8113f1f8012SMatthew Ahrens if (zlp->l_hdr.lh_block_type != ZBT_LEAF || 8123f1f8012SMatthew Ahrens zlp->l_hdr.lh_magic != ZAP_LEAF_MAGIC) { 8133f1f8012SMatthew Ahrens mdb_warn("This does not appear to be a zap_leaf_phys_t"); 8143f1f8012SMatthew Ahrens return (DCMD_ERR); 8153f1f8012SMatthew Ahrens } 8163f1f8012SMatthew Ahrens 8173f1f8012SMatthew Ahrens mdb_printf("zap_leaf_phys_t at %p:\n", addr); 8183f1f8012SMatthew Ahrens mdb_printf(" lh_prefix_len = %u\n", zlp->l_hdr.lh_prefix_len); 8193f1f8012SMatthew Ahrens mdb_printf(" lh_prefix = %llx\n", zlp->l_hdr.lh_prefix); 8203f1f8012SMatthew Ahrens mdb_printf(" lh_nentries = %u\n", zlp->l_hdr.lh_nentries); 8213f1f8012SMatthew Ahrens mdb_printf(" lh_nfree = %u\n", zlp->l_hdr.lh_nfree, 8223f1f8012SMatthew Ahrens zlp->l_hdr.lh_nfree * 100 / (ZAP_LEAF_NUMCHUNKS(&l))); 8233f1f8012SMatthew Ahrens mdb_printf(" lh_freelist = %u\n", zlp->l_hdr.lh_freelist); 8243f1f8012SMatthew Ahrens mdb_printf(" lh_flags = %x (%s)\n", zlp->l_hdr.lh_flags, 8253f1f8012SMatthew Ahrens zlp->l_hdr.lh_flags & ZLF_ENTRIES_CDSORTED ? 8263f1f8012SMatthew Ahrens "ENTRIES_CDSORTED" : ""); 8273f1f8012SMatthew Ahrens 8283f1f8012SMatthew Ahrens if (verbose) { 8293f1f8012SMatthew Ahrens mdb_printf(" hash table:\n"); 8303f1f8012SMatthew Ahrens for (i = 0; i < ZAP_LEAF_HASH_NUMENTRIES(&l); i++) { 8313f1f8012SMatthew Ahrens if (zlp->l_hash[i] != CHAIN_END) 8323f1f8012SMatthew Ahrens mdb_printf(" %u: %u\n", i, zlp->l_hash[i]); 8333f1f8012SMatthew Ahrens } 8343f1f8012SMatthew Ahrens } 8353f1f8012SMatthew Ahrens 8363f1f8012SMatthew Ahrens mdb_printf(" chunks:\n"); 8373f1f8012SMatthew Ahrens for (i = 0; i < ZAP_LEAF_NUMCHUNKS(&l); i++) { 8383f1f8012SMatthew Ahrens /* LINTED: alignment */ 8393f1f8012SMatthew Ahrens zap_leaf_chunk_t *zlc = &ZAP_LEAF_CHUNK(&l, i); 8403f1f8012SMatthew Ahrens switch (zlc->l_entry.le_type) { 8413f1f8012SMatthew Ahrens case ZAP_CHUNK_FREE: 8423f1f8012SMatthew Ahrens if (verbose) { 8433f1f8012SMatthew Ahrens mdb_printf(" %u: free; lf_next = %u\n", 8443f1f8012SMatthew Ahrens i, zlc->l_free.lf_next); 8453f1f8012SMatthew Ahrens } 8463f1f8012SMatthew Ahrens break; 8473f1f8012SMatthew Ahrens case ZAP_CHUNK_ENTRY: 8483f1f8012SMatthew Ahrens mdb_printf(" %u: entry\n", i); 8493f1f8012SMatthew Ahrens if (verbose) { 8503f1f8012SMatthew Ahrens mdb_printf(" le_next = %u\n", 8513f1f8012SMatthew Ahrens zlc->l_entry.le_next); 8523f1f8012SMatthew Ahrens } 8533f1f8012SMatthew Ahrens mdb_printf(" le_name_chunk = %u\n", 8543f1f8012SMatthew Ahrens zlc->l_entry.le_name_chunk); 8553f1f8012SMatthew Ahrens mdb_printf(" le_name_numints = %u\n", 8563f1f8012SMatthew Ahrens zlc->l_entry.le_name_numints); 8573f1f8012SMatthew Ahrens mdb_printf(" le_value_chunk = %u\n", 8583f1f8012SMatthew Ahrens zlc->l_entry.le_value_chunk); 8593f1f8012SMatthew Ahrens mdb_printf(" le_value_intlen = %u\n", 8603f1f8012SMatthew Ahrens zlc->l_entry.le_value_intlen); 8613f1f8012SMatthew Ahrens mdb_printf(" le_value_numints = %u\n", 8623f1f8012SMatthew Ahrens zlc->l_entry.le_value_numints); 8633f1f8012SMatthew Ahrens mdb_printf(" le_cd = %u\n", 8643f1f8012SMatthew Ahrens zlc->l_entry.le_cd); 8653f1f8012SMatthew Ahrens mdb_printf(" le_hash = %llx\n", 8663f1f8012SMatthew Ahrens zlc->l_entry.le_hash); 8673f1f8012SMatthew Ahrens break; 8683f1f8012SMatthew Ahrens case ZAP_CHUNK_ARRAY: 8693f9d6ad7SLin Ling mdb_printf(" %u: array", i); 8703f9d6ad7SLin Ling if (strisprint((char *)zlc->l_array.la_array)) 8713f9d6ad7SLin Ling mdb_printf(" \"%s\"", zlc->l_array.la_array); 8723f9d6ad7SLin Ling mdb_printf("\n"); 8733f1f8012SMatthew Ahrens if (verbose) { 8743f1f8012SMatthew Ahrens int j; 8753f1f8012SMatthew Ahrens mdb_printf(" "); 8763f1f8012SMatthew Ahrens for (j = 0; j < ZAP_LEAF_ARRAY_BYTES; j++) { 8773f1f8012SMatthew Ahrens mdb_printf("%02x ", 8783f1f8012SMatthew Ahrens zlc->l_array.la_array[j]); 8793f1f8012SMatthew Ahrens } 8803f1f8012SMatthew Ahrens mdb_printf("\n"); 8813f1f8012SMatthew Ahrens } 8823f1f8012SMatthew Ahrens if (zlc->l_array.la_next != CHAIN_END) { 8833f1f8012SMatthew Ahrens mdb_printf(" lf_next = %u\n", 8843f1f8012SMatthew Ahrens zlc->l_array.la_next); 8853f1f8012SMatthew Ahrens } 8863f1f8012SMatthew Ahrens break; 8873f1f8012SMatthew Ahrens default: 8883f1f8012SMatthew Ahrens mdb_printf(" %u: undefined type %u\n", 8893f1f8012SMatthew Ahrens zlc->l_entry.le_type); 8903f1f8012SMatthew Ahrens } 8913f1f8012SMatthew Ahrens } 8923f1f8012SMatthew Ahrens 8933f1f8012SMatthew Ahrens return (DCMD_OK); 8943f1f8012SMatthew Ahrens } 8953f1f8012SMatthew Ahrens 896fa9e4066Sahrens typedef struct dbufs_data { 897fa9e4066Sahrens mdb_ctf_id_t id; 898fa9e4066Sahrens uint64_t objset; 899fa9e4066Sahrens uint64_t object; 900fa9e4066Sahrens uint64_t level; 901fa9e4066Sahrens uint64_t blkid; 902fa9e4066Sahrens char *osname; 903fa9e4066Sahrens } dbufs_data_t; 904fa9e4066Sahrens 905fa9e4066Sahrens #define DBUFS_UNSET (0xbaddcafedeadbeefULL) 906fa9e4066Sahrens 907fa9e4066Sahrens /* ARGSUSED */ 908fa9e4066Sahrens static int 909fa9e4066Sahrens dbufs_cb(uintptr_t addr, const void *unknown, void *arg) 910fa9e4066Sahrens { 911fa9e4066Sahrens dbufs_data_t *data = arg; 912fa9e4066Sahrens uintptr_t objset; 913fa9e4066Sahrens dmu_buf_t db; 914fa9e4066Sahrens uint8_t level; 915fa9e4066Sahrens uint64_t blkid; 9169adfa60dSMatthew Ahrens char osname[ZFS_MAX_DATASET_NAME_LEN]; 917fa9e4066Sahrens 918fa9e4066Sahrens if (GETMEMBID(addr, &data->id, db_objset, objset) || 919fa9e4066Sahrens GETMEMBID(addr, &data->id, db, db) || 920fa9e4066Sahrens GETMEMBID(addr, &data->id, db_level, level) || 921fa9e4066Sahrens GETMEMBID(addr, &data->id, db_blkid, blkid)) { 922fa9e4066Sahrens return (WALK_ERR); 923fa9e4066Sahrens } 924fa9e4066Sahrens 925fa9e4066Sahrens if ((data->objset == DBUFS_UNSET || data->objset == objset) && 926fa9e4066Sahrens (data->osname == NULL || (objset_name(objset, osname) == 0 && 927ccae0b50Seschrock strcmp(data->osname, osname) == 0)) && 928fa9e4066Sahrens (data->object == DBUFS_UNSET || data->object == db.db_object) && 929fa9e4066Sahrens (data->level == DBUFS_UNSET || data->level == level) && 930fa9e4066Sahrens (data->blkid == DBUFS_UNSET || data->blkid == blkid)) { 931fa9e4066Sahrens mdb_printf("%#lr\n", addr); 932fa9e4066Sahrens } 933fa9e4066Sahrens return (WALK_NEXT); 934fa9e4066Sahrens } 935fa9e4066Sahrens 936fa9e4066Sahrens /* ARGSUSED */ 937fa9e4066Sahrens static int 938fa9e4066Sahrens dbufs(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 939fa9e4066Sahrens { 940fa9e4066Sahrens dbufs_data_t data; 941fa9e4066Sahrens char *object = NULL; 942fa9e4066Sahrens char *blkid = NULL; 943fa9e4066Sahrens 944fa9e4066Sahrens data.objset = data.object = data.level = data.blkid = DBUFS_UNSET; 945fa9e4066Sahrens data.osname = NULL; 946fa9e4066Sahrens 947fa9e4066Sahrens if (mdb_getopts(argc, argv, 948fa9e4066Sahrens 'O', MDB_OPT_UINT64, &data.objset, 949fa9e4066Sahrens 'n', MDB_OPT_STR, &data.osname, 950fa9e4066Sahrens 'o', MDB_OPT_STR, &object, 951fa9e4066Sahrens 'l', MDB_OPT_UINT64, &data.level, 9523b442230SJordan Paige Hendricks 'b', MDB_OPT_STR, &blkid, 9533b442230SJordan Paige Hendricks NULL) != argc) { 954fa9e4066Sahrens return (DCMD_USAGE); 955fa9e4066Sahrens } 956fa9e4066Sahrens 957fa9e4066Sahrens if (object) { 958fa9e4066Sahrens if (strcmp(object, "mdn") == 0) { 959fa9e4066Sahrens data.object = DMU_META_DNODE_OBJECT; 960fa9e4066Sahrens } else { 961fa9e4066Sahrens data.object = mdb_strtoull(object); 962fa9e4066Sahrens } 963fa9e4066Sahrens } 964fa9e4066Sahrens 965fa9e4066Sahrens if (blkid) { 966fa9e4066Sahrens if (strcmp(blkid, "bonus") == 0) { 9670a586ceaSMark Shellenbaum data.blkid = DMU_BONUS_BLKID; 968fa9e4066Sahrens } else { 969fa9e4066Sahrens data.blkid = mdb_strtoull(blkid); 970fa9e4066Sahrens } 971fa9e4066Sahrens } 972fa9e4066Sahrens 97328e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "dmu_buf_impl", &data.id) == -1) { 974fa9e4066Sahrens mdb_warn("couldn't find struct dmu_buf_impl_t"); 975fa9e4066Sahrens return (DCMD_ERR); 976fa9e4066Sahrens } 977fa9e4066Sahrens 9785f5f7a6fSahrens if (mdb_walk("dmu_buf_impl_t", dbufs_cb, &data) != 0) { 979fa9e4066Sahrens mdb_warn("can't walk dbufs"); 980fa9e4066Sahrens return (DCMD_ERR); 981fa9e4066Sahrens } 982fa9e4066Sahrens 983fa9e4066Sahrens return (DCMD_OK); 984fa9e4066Sahrens } 985fa9e4066Sahrens 986fa9e4066Sahrens typedef struct abuf_find_data { 987fa9e4066Sahrens dva_t dva; 988fa9e4066Sahrens mdb_ctf_id_t id; 989fa9e4066Sahrens } abuf_find_data_t; 990fa9e4066Sahrens 991fa9e4066Sahrens /* ARGSUSED */ 992fa9e4066Sahrens static int 993fa9e4066Sahrens abuf_find_cb(uintptr_t addr, const void *unknown, void *arg) 994fa9e4066Sahrens { 995fa9e4066Sahrens abuf_find_data_t *data = arg; 996fa9e4066Sahrens dva_t dva; 997fa9e4066Sahrens 998fa9e4066Sahrens if (GETMEMBID(addr, &data->id, b_dva, dva)) { 999fa9e4066Sahrens return (WALK_ERR); 1000fa9e4066Sahrens } 1001fa9e4066Sahrens 1002fa9e4066Sahrens if (dva.dva_word[0] == data->dva.dva_word[0] && 1003fa9e4066Sahrens dva.dva_word[1] == data->dva.dva_word[1]) { 1004fa9e4066Sahrens mdb_printf("%#lr\n", addr); 1005fa9e4066Sahrens } 1006fa9e4066Sahrens return (WALK_NEXT); 1007fa9e4066Sahrens } 1008fa9e4066Sahrens 1009fa9e4066Sahrens /* ARGSUSED */ 1010fa9e4066Sahrens static int 1011fa9e4066Sahrens abuf_find(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1012fa9e4066Sahrens { 1013fa9e4066Sahrens abuf_find_data_t data; 1014fa9e4066Sahrens GElf_Sym sym; 1015fa9e4066Sahrens int i; 1016fa9e4066Sahrens const char *syms[] = { 1017a2eea2e1Sahrens "ARC_mru", 1018a2eea2e1Sahrens "ARC_mru_ghost", 1019a2eea2e1Sahrens "ARC_mfu", 1020a2eea2e1Sahrens "ARC_mfu_ghost", 1021fa9e4066Sahrens }; 1022fa9e4066Sahrens 1023fa9e4066Sahrens if (argc != 2) 1024fa9e4066Sahrens return (DCMD_USAGE); 1025fa9e4066Sahrens 1026fa9e4066Sahrens for (i = 0; i < 2; i ++) { 1027fa9e4066Sahrens switch (argv[i].a_type) { 1028fa9e4066Sahrens case MDB_TYPE_STRING: 1029fa9e4066Sahrens data.dva.dva_word[i] = mdb_strtoull(argv[i].a_un.a_str); 1030fa9e4066Sahrens break; 1031fa9e4066Sahrens case MDB_TYPE_IMMEDIATE: 1032fa9e4066Sahrens data.dva.dva_word[i] = argv[i].a_un.a_val; 1033fa9e4066Sahrens break; 1034fa9e4066Sahrens default: 1035fa9e4066Sahrens return (DCMD_USAGE); 1036fa9e4066Sahrens } 1037fa9e4066Sahrens } 1038fa9e4066Sahrens 103928e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "arc_buf_hdr", &data.id) == -1) { 1040fa9e4066Sahrens mdb_warn("couldn't find struct arc_buf_hdr"); 1041fa9e4066Sahrens return (DCMD_ERR); 1042fa9e4066Sahrens } 1043fa9e4066Sahrens 1044fa9e4066Sahrens for (i = 0; i < sizeof (syms) / sizeof (syms[0]); i++) { 104522ce0148SMatthew Ahrens if (mdb_lookup_by_obj(ZFS_OBJ_NAME, syms[i], &sym)) { 1046fa9e4066Sahrens mdb_warn("can't find symbol %s", syms[i]); 1047fa9e4066Sahrens return (DCMD_ERR); 1048fa9e4066Sahrens } 1049fa9e4066Sahrens 1050fa9e4066Sahrens if (mdb_pwalk("list", abuf_find_cb, &data, sym.st_value) != 0) { 1051fa9e4066Sahrens mdb_warn("can't walk %s", syms[i]); 1052fa9e4066Sahrens return (DCMD_ERR); 1053fa9e4066Sahrens } 1054fa9e4066Sahrens } 1055fa9e4066Sahrens 1056fa9e4066Sahrens return (DCMD_OK); 1057fa9e4066Sahrens } 1058fa9e4066Sahrens 105928e4da25SMatthew Ahrens 106028e4da25SMatthew Ahrens typedef struct dbgmsg_arg { 106128e4da25SMatthew Ahrens boolean_t da_verbose; 106228e4da25SMatthew Ahrens boolean_t da_address; 106328e4da25SMatthew Ahrens } dbgmsg_arg_t; 106428e4da25SMatthew Ahrens 10653f9d6ad7SLin Ling /* ARGSUSED */ 10663f9d6ad7SLin Ling static int 10673f9d6ad7SLin Ling dbgmsg_cb(uintptr_t addr, const void *unknown, void *arg) 10683f9d6ad7SLin Ling { 10693f9d6ad7SLin Ling static mdb_ctf_id_t id; 10703f9d6ad7SLin Ling static boolean_t gotid; 10713f9d6ad7SLin Ling static ulong_t off; 10723f9d6ad7SLin Ling 107328e4da25SMatthew Ahrens dbgmsg_arg_t *da = arg; 10743f9d6ad7SLin Ling time_t timestamp; 10753f9d6ad7SLin Ling char buf[1024]; 10763f9d6ad7SLin Ling 10773f9d6ad7SLin Ling if (!gotid) { 107828e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "zfs_dbgmsg", &id) == 107928e4da25SMatthew Ahrens -1) { 10803f9d6ad7SLin Ling mdb_warn("couldn't find struct zfs_dbgmsg"); 10813f9d6ad7SLin Ling return (WALK_ERR); 10823f9d6ad7SLin Ling } 10833f9d6ad7SLin Ling gotid = TRUE; 10843f9d6ad7SLin Ling if (mdb_ctf_offsetof(id, "zdm_msg", &off) == -1) { 10853f9d6ad7SLin Ling mdb_warn("couldn't find zdm_msg"); 10863f9d6ad7SLin Ling return (WALK_ERR); 10873f9d6ad7SLin Ling } 10883f9d6ad7SLin Ling off /= 8; 10893f9d6ad7SLin Ling } 10903f9d6ad7SLin Ling 10913f9d6ad7SLin Ling 10923f9d6ad7SLin Ling if (GETMEMBID(addr, &id, zdm_timestamp, timestamp)) { 10933f9d6ad7SLin Ling return (WALK_ERR); 10943f9d6ad7SLin Ling } 10953f9d6ad7SLin Ling 10963f9d6ad7SLin Ling if (mdb_readstr(buf, sizeof (buf), addr + off) == -1) { 10973f9d6ad7SLin Ling mdb_warn("failed to read zdm_msg at %p\n", addr + off); 10983f9d6ad7SLin Ling return (DCMD_ERR); 10993f9d6ad7SLin Ling } 11003f9d6ad7SLin Ling 110128e4da25SMatthew Ahrens if (da->da_address) 110228e4da25SMatthew Ahrens mdb_printf("%p ", addr); 110328e4da25SMatthew Ahrens if (da->da_verbose) 11043f9d6ad7SLin Ling mdb_printf("%Y ", timestamp); 11053f9d6ad7SLin Ling 11063f9d6ad7SLin Ling mdb_printf("%s\n", buf); 11073f9d6ad7SLin Ling 110828e4da25SMatthew Ahrens if (da->da_verbose) 11093f9d6ad7SLin Ling (void) mdb_call_dcmd("whatis", addr, DCMD_ADDRSPEC, 0, NULL); 11103f9d6ad7SLin Ling 11113f9d6ad7SLin Ling return (WALK_NEXT); 11123f9d6ad7SLin Ling } 11133f9d6ad7SLin Ling 11143f9d6ad7SLin Ling /* ARGSUSED */ 11153f9d6ad7SLin Ling static int 11163f9d6ad7SLin Ling dbgmsg(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 11173f9d6ad7SLin Ling { 11183f9d6ad7SLin Ling GElf_Sym sym; 111928e4da25SMatthew Ahrens dbgmsg_arg_t da = { 0 }; 11203f9d6ad7SLin Ling 11213f9d6ad7SLin Ling if (mdb_getopts(argc, argv, 112228e4da25SMatthew Ahrens 'v', MDB_OPT_SETBITS, B_TRUE, &da.da_verbose, 112328e4da25SMatthew Ahrens 'a', MDB_OPT_SETBITS, B_TRUE, &da.da_address, 11243f9d6ad7SLin Ling NULL) != argc) 11253f9d6ad7SLin Ling return (DCMD_USAGE); 11263f9d6ad7SLin Ling 11273b2aab18SMatthew Ahrens if (mdb_lookup_by_obj(ZFS_OBJ_NAME, "zfs_dbgmsgs", &sym)) { 11283f9d6ad7SLin Ling mdb_warn("can't find zfs_dbgmsgs"); 11293f9d6ad7SLin Ling return (DCMD_ERR); 11303f9d6ad7SLin Ling } 11313f9d6ad7SLin Ling 113228e4da25SMatthew Ahrens if (mdb_pwalk("list", dbgmsg_cb, &da, sym.st_value) != 0) { 11333f9d6ad7SLin Ling mdb_warn("can't walk zfs_dbgmsgs"); 11343f9d6ad7SLin Ling return (DCMD_ERR); 11353f9d6ad7SLin Ling } 11363f9d6ad7SLin Ling 11373f9d6ad7SLin Ling return (DCMD_OK); 11383f9d6ad7SLin Ling } 11393f9d6ad7SLin Ling 114044cb6abcSbmc /*ARGSUSED*/ 114144cb6abcSbmc static int 114244cb6abcSbmc arc_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 114344cb6abcSbmc { 114444cb6abcSbmc kstat_named_t *stats; 114544cb6abcSbmc GElf_Sym sym; 114691ebeef5Sahrens int nstats, i; 114744cb6abcSbmc uint_t opt_a = FALSE; 114891ebeef5Sahrens uint_t opt_b = FALSE; 114991ebeef5Sahrens uint_t shift = 0; 115091ebeef5Sahrens const char *suffix; 115144cb6abcSbmc 115291ebeef5Sahrens static const char *bytestats[] = { 11539253d63dSGeorge Wilson "p", "c", "c_min", "c_max", "size", "duplicate_buffers_size", 115420128a08SGeorge Wilson "arc_meta_used", "arc_meta_limit", "arc_meta_max", 11554076b1bfSPrakash Surya "arc_meta_min", "hdr_size", "data_size", "metadata_size", 11564076b1bfSPrakash Surya "other_size", "anon_size", "anon_evictable_data", 11574076b1bfSPrakash Surya "anon_evictable_metadata", "mru_size", "mru_evictable_data", 11584076b1bfSPrakash Surya "mru_evictable_metadata", "mru_ghost_size", 11594076b1bfSPrakash Surya "mru_ghost_evictable_data", "mru_ghost_evictable_metadata", 11604076b1bfSPrakash Surya "mfu_size", "mfu_evictable_data", "mfu_evictable_metadata", 11614076b1bfSPrakash Surya "mfu_ghost_size", "mfu_ghost_evictable_data", 11624076b1bfSPrakash Surya "mfu_ghost_evictable_metadata", "evict_l2_cached", 11634076b1bfSPrakash Surya "evict_l2_eligible", "evict_l2_ineligible", "l2_read_bytes", 11644076b1bfSPrakash Surya "l2_write_bytes", "l2_size", "l2_asize", "l2_hdr_size", 1165dcbf3bd6SGeorge Wilson "compressed_size", "uncompressed_size", "overhead_size", 11669253d63dSGeorge Wilson NULL 116791ebeef5Sahrens }; 116891ebeef5Sahrens 116991ebeef5Sahrens static const char *extras[] = { 117091ebeef5Sahrens "arc_no_grow", "arc_tempreserve", 117191ebeef5Sahrens NULL 117244cb6abcSbmc }; 117344cb6abcSbmc 117422ce0148SMatthew Ahrens if (mdb_lookup_by_obj(ZFS_OBJ_NAME, "arc_stats", &sym) == -1) { 117544cb6abcSbmc mdb_warn("failed to find 'arc_stats'"); 117644cb6abcSbmc return (DCMD_ERR); 117744cb6abcSbmc } 117844cb6abcSbmc 117944cb6abcSbmc stats = mdb_zalloc(sym.st_size, UM_SLEEP | UM_GC); 118044cb6abcSbmc 118144cb6abcSbmc if (mdb_vread(stats, sym.st_size, sym.st_value) == -1) { 118244cb6abcSbmc mdb_warn("couldn't read 'arc_stats' at %p", sym.st_value); 118344cb6abcSbmc return (DCMD_ERR); 118444cb6abcSbmc } 118544cb6abcSbmc 118644cb6abcSbmc nstats = sym.st_size / sizeof (kstat_named_t); 118744cb6abcSbmc 118891ebeef5Sahrens /* NB: -a / opt_a are ignored for backwards compatability */ 118991ebeef5Sahrens if (mdb_getopts(argc, argv, 119091ebeef5Sahrens 'a', MDB_OPT_SETBITS, TRUE, &opt_a, 119191ebeef5Sahrens 'b', MDB_OPT_SETBITS, TRUE, &opt_b, 119291ebeef5Sahrens 'k', MDB_OPT_SETBITS, 10, &shift, 119391ebeef5Sahrens 'm', MDB_OPT_SETBITS, 20, &shift, 119491ebeef5Sahrens 'g', MDB_OPT_SETBITS, 30, &shift, 119591ebeef5Sahrens NULL) != argc) 119644cb6abcSbmc return (DCMD_USAGE); 119744cb6abcSbmc 119891ebeef5Sahrens if (!opt_b && !shift) 119991ebeef5Sahrens shift = 20; 120091ebeef5Sahrens 120191ebeef5Sahrens switch (shift) { 120291ebeef5Sahrens case 0: 120391ebeef5Sahrens suffix = "B"; 120491ebeef5Sahrens break; 120591ebeef5Sahrens case 10: 120691ebeef5Sahrens suffix = "KB"; 120791ebeef5Sahrens break; 120891ebeef5Sahrens case 20: 120991ebeef5Sahrens suffix = "MB"; 121091ebeef5Sahrens break; 121191ebeef5Sahrens case 30: 121291ebeef5Sahrens suffix = "GB"; 121391ebeef5Sahrens break; 121491ebeef5Sahrens default: 121591ebeef5Sahrens suffix = "XX"; 121691ebeef5Sahrens } 121791ebeef5Sahrens 121891ebeef5Sahrens for (i = 0; i < nstats; i++) { 121991ebeef5Sahrens int j; 122091ebeef5Sahrens boolean_t bytes = B_FALSE; 122191ebeef5Sahrens 122291ebeef5Sahrens for (j = 0; bytestats[j]; j++) { 122391ebeef5Sahrens if (strcmp(stats[i].name, bytestats[j]) == 0) { 122491ebeef5Sahrens bytes = B_TRUE; 122591ebeef5Sahrens break; 122691ebeef5Sahrens } 122791ebeef5Sahrens } 122844cb6abcSbmc 122991ebeef5Sahrens if (bytes) { 123091ebeef5Sahrens mdb_printf("%-25s = %9llu %s\n", stats[i].name, 123191ebeef5Sahrens stats[i].value.ui64 >> shift, suffix); 123291ebeef5Sahrens } else { 123391ebeef5Sahrens mdb_printf("%-25s = %9llu\n", stats[i].name, 123444cb6abcSbmc stats[i].value.ui64); 123544cb6abcSbmc } 123644cb6abcSbmc } 123744cb6abcSbmc 123891ebeef5Sahrens for (i = 0; extras[i]; i++) { 123991ebeef5Sahrens uint64_t buf; 124044cb6abcSbmc 124122ce0148SMatthew Ahrens if (mdb_lookup_by_obj(ZFS_OBJ_NAME, extras[i], &sym) == -1) { 124291ebeef5Sahrens mdb_warn("failed to find '%s'", extras[i]); 124391ebeef5Sahrens return (DCMD_ERR); 124444cb6abcSbmc } 124544cb6abcSbmc 124691ebeef5Sahrens if (sym.st_size != sizeof (uint64_t) && 124791ebeef5Sahrens sym.st_size != sizeof (uint32_t)) { 124891ebeef5Sahrens mdb_warn("expected scalar for variable '%s'\n", 124991ebeef5Sahrens extras[i]); 125091ebeef5Sahrens return (DCMD_ERR); 125144cb6abcSbmc } 125244cb6abcSbmc 125391ebeef5Sahrens if (mdb_vread(&buf, sym.st_size, sym.st_value) == -1) { 125491ebeef5Sahrens mdb_warn("couldn't read '%s'", extras[i]); 125591ebeef5Sahrens return (DCMD_ERR); 125644cb6abcSbmc } 125744cb6abcSbmc 125891ebeef5Sahrens mdb_printf("%-25s = ", extras[i]); 125991ebeef5Sahrens 126091ebeef5Sahrens /* NB: all the 64-bit extras happen to be byte counts */ 126191ebeef5Sahrens if (sym.st_size == sizeof (uint64_t)) 126291ebeef5Sahrens mdb_printf("%9llu %s\n", buf >> shift, suffix); 126344cb6abcSbmc 126491ebeef5Sahrens if (sym.st_size == sizeof (uint32_t)) 126591ebeef5Sahrens mdb_printf("%9d\n", *((uint32_t *)&buf)); 126691ebeef5Sahrens } 126744cb6abcSbmc return (DCMD_OK); 126844cb6abcSbmc } 126944cb6abcSbmc 127022ce0148SMatthew Ahrens typedef struct mdb_spa_print { 127122ce0148SMatthew Ahrens pool_state_t spa_state; 12729adfa60dSMatthew Ahrens char spa_name[ZFS_MAX_DATASET_NAME_LEN]; 127391e2a09fSSteve Gonczi uintptr_t spa_normal_class; 127422ce0148SMatthew Ahrens } mdb_spa_print_t; 127522ce0148SMatthew Ahrens 127691e2a09fSSteve Gonczi 127791e2a09fSSteve Gonczi const char histo_stars[] = "****************************************"; 127891e2a09fSSteve Gonczi const int histo_width = sizeof (histo_stars) - 1; 127991e2a09fSSteve Gonczi 128091e2a09fSSteve Gonczi static void 128191e2a09fSSteve Gonczi dump_histogram(const uint64_t *histo, int size, int offset) 128291e2a09fSSteve Gonczi { 128391e2a09fSSteve Gonczi int i; 128491e2a09fSSteve Gonczi int minidx = size - 1; 128591e2a09fSSteve Gonczi int maxidx = 0; 128691e2a09fSSteve Gonczi uint64_t max = 0; 128791e2a09fSSteve Gonczi 128891e2a09fSSteve Gonczi for (i = 0; i < size; i++) { 128991e2a09fSSteve Gonczi if (histo[i] > max) 129091e2a09fSSteve Gonczi max = histo[i]; 129191e2a09fSSteve Gonczi if (histo[i] > 0 && i > maxidx) 129291e2a09fSSteve Gonczi maxidx = i; 129391e2a09fSSteve Gonczi if (histo[i] > 0 && i < minidx) 129491e2a09fSSteve Gonczi minidx = i; 129591e2a09fSSteve Gonczi } 129691e2a09fSSteve Gonczi 129791e2a09fSSteve Gonczi if (max < histo_width) 129891e2a09fSSteve Gonczi max = histo_width; 129991e2a09fSSteve Gonczi 130091e2a09fSSteve Gonczi for (i = minidx; i <= maxidx; i++) { 130191e2a09fSSteve Gonczi mdb_printf("%3u: %6llu %s\n", 130291e2a09fSSteve Gonczi i + offset, (u_longlong_t)histo[i], 130391e2a09fSSteve Gonczi &histo_stars[(max - histo[i]) * histo_width / max]); 130491e2a09fSSteve Gonczi } 130591e2a09fSSteve Gonczi } 130691e2a09fSSteve Gonczi 130791e2a09fSSteve Gonczi typedef struct mdb_metaslab_class { 130891e2a09fSSteve Gonczi uint64_t mc_histogram[RANGE_TREE_HISTOGRAM_SIZE]; 130991e2a09fSSteve Gonczi } mdb_metaslab_class_t; 131091e2a09fSSteve Gonczi 131191e2a09fSSteve Gonczi /* 131291e2a09fSSteve Gonczi * spa_class_histogram(uintptr_t class_addr) 131391e2a09fSSteve Gonczi * 131491e2a09fSSteve Gonczi * Prints free space histogram for a device class 131591e2a09fSSteve Gonczi * 131691e2a09fSSteve Gonczi * Returns DCMD_OK, or DCMD_ERR. 131791e2a09fSSteve Gonczi */ 131891e2a09fSSteve Gonczi static int 131991e2a09fSSteve Gonczi spa_class_histogram(uintptr_t class_addr) 132091e2a09fSSteve Gonczi { 132191e2a09fSSteve Gonczi mdb_metaslab_class_t mc; 132291e2a09fSSteve Gonczi if (mdb_ctf_vread(&mc, "metaslab_class_t", 132391e2a09fSSteve Gonczi "mdb_metaslab_class_t", class_addr, 0) == -1) 132491e2a09fSSteve Gonczi return (DCMD_ERR); 132591e2a09fSSteve Gonczi 132691e2a09fSSteve Gonczi mdb_inc_indent(4); 132791e2a09fSSteve Gonczi dump_histogram(mc.mc_histogram, RANGE_TREE_HISTOGRAM_SIZE, 0); 132891e2a09fSSteve Gonczi mdb_dec_indent(4); 132991e2a09fSSteve Gonczi return (DCMD_OK); 133091e2a09fSSteve Gonczi } 133191e2a09fSSteve Gonczi 1332fa9e4066Sahrens /* 1333fa9e4066Sahrens * ::spa 1334fa9e4066Sahrens * 133522ce0148SMatthew Ahrens * -c Print configuration information as well 133622ce0148SMatthew Ahrens * -v Print vdev state 133722ce0148SMatthew Ahrens * -e Print vdev error stats 13382e4c9986SGeorge Wilson * -m Print vdev metaslab info 13392e4c9986SGeorge Wilson * -M print vdev metaslab group info 13402e4c9986SGeorge Wilson * -h Print histogram info (must be combined with -m or -M) 1341fa9e4066Sahrens * 1342fa9e4066Sahrens * Print a summarized spa_t. When given no arguments, prints out a table of all 1343fa9e4066Sahrens * active pools on the system. 1344fa9e4066Sahrens */ 1345fa9e4066Sahrens /* ARGSUSED */ 1346fa9e4066Sahrens static int 1347fa9e4066Sahrens spa_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1348fa9e4066Sahrens { 1349fa9e4066Sahrens const char *statetab[] = { "ACTIVE", "EXPORTED", "DESTROYED", 1350e14bb325SJeff Bonwick "SPARE", "L2CACHE", "UNINIT", "UNAVAIL", "POTENTIAL" }; 1351fa9e4066Sahrens const char *state; 13522e4c9986SGeorge Wilson int spa_flags = 0; 1353fa9e4066Sahrens 1354fa9e4066Sahrens if (mdb_getopts(argc, argv, 13552e4c9986SGeorge Wilson 'c', MDB_OPT_SETBITS, SPA_FLAG_CONFIG, &spa_flags, 13562e4c9986SGeorge Wilson 'v', MDB_OPT_SETBITS, SPA_FLAG_VDEVS, &spa_flags, 13572e4c9986SGeorge Wilson 'e', MDB_OPT_SETBITS, SPA_FLAG_ERRORS, &spa_flags, 13582e4c9986SGeorge Wilson 'M', MDB_OPT_SETBITS, SPA_FLAG_METASLAB_GROUPS, &spa_flags, 13592e4c9986SGeorge Wilson 'm', MDB_OPT_SETBITS, SPA_FLAG_METASLABS, &spa_flags, 13602e4c9986SGeorge Wilson 'h', MDB_OPT_SETBITS, SPA_FLAG_HISTOGRAMS, &spa_flags, 1361fa9e4066Sahrens NULL) != argc) 1362fa9e4066Sahrens return (DCMD_USAGE); 1363fa9e4066Sahrens 1364fa9e4066Sahrens if (!(flags & DCMD_ADDRSPEC)) { 1365fa9e4066Sahrens if (mdb_walk_dcmd("spa", "spa", argc, argv) == -1) { 1366fa9e4066Sahrens mdb_warn("can't walk spa"); 1367fa9e4066Sahrens return (DCMD_ERR); 1368fa9e4066Sahrens } 1369fa9e4066Sahrens 1370fa9e4066Sahrens return (DCMD_OK); 1371fa9e4066Sahrens } 1372fa9e4066Sahrens 1373fa9e4066Sahrens if (flags & DCMD_PIPE_OUT) { 1374fa9e4066Sahrens mdb_printf("%#lr\n", addr); 1375fa9e4066Sahrens return (DCMD_OK); 1376fa9e4066Sahrens } 1377fa9e4066Sahrens 1378fa9e4066Sahrens if (DCMD_HDRSPEC(flags)) 1379fa9e4066Sahrens mdb_printf("%<u>%-?s %9s %-*s%</u>\n", "ADDR", "STATE", 1380fa9e4066Sahrens sizeof (uintptr_t) == 4 ? 60 : 52, "NAME"); 1381fa9e4066Sahrens 138222ce0148SMatthew Ahrens mdb_spa_print_t spa; 138322ce0148SMatthew Ahrens if (mdb_ctf_vread(&spa, "spa_t", "mdb_spa_print_t", addr, 0) == -1) 1384fa9e4066Sahrens return (DCMD_ERR); 1385fa9e4066Sahrens 1386fa9e4066Sahrens if (spa.spa_state < 0 || spa.spa_state > POOL_STATE_UNAVAIL) 1387ea8dc4b6Seschrock state = "UNKNOWN"; 1388fa9e4066Sahrens else 1389fa9e4066Sahrens state = statetab[spa.spa_state]; 1390fa9e4066Sahrens 1391e14bb325SJeff Bonwick mdb_printf("%0?p %9s %s\n", addr, state, spa.spa_name); 139291e2a09fSSteve Gonczi if (spa_flags & SPA_FLAG_HISTOGRAMS) 139391e2a09fSSteve Gonczi spa_class_histogram(spa.spa_normal_class); 1394fa9e4066Sahrens 13952e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_CONFIG) { 1396fa9e4066Sahrens mdb_printf("\n"); 1397fa9e4066Sahrens mdb_inc_indent(4); 1398fa9e4066Sahrens if (mdb_call_dcmd("spa_config", addr, flags, 0, 1399fa9e4066Sahrens NULL) != DCMD_OK) 1400fa9e4066Sahrens return (DCMD_ERR); 1401fa9e4066Sahrens mdb_dec_indent(4); 1402fa9e4066Sahrens } 1403fa9e4066Sahrens 14042e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_ALL_VDEV) { 1405fa9e4066Sahrens mdb_arg_t v; 14062e4c9986SGeorge Wilson char opts[100] = "-"; 14072e4c9986SGeorge Wilson int args = 14082e4c9986SGeorge Wilson (spa_flags | SPA_FLAG_VDEVS) == SPA_FLAG_VDEVS ? 0 : 1; 14092e4c9986SGeorge Wilson 14102e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_ERRORS) 14112e4c9986SGeorge Wilson strcat(opts, "e"); 14122e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_METASLABS) 14132e4c9986SGeorge Wilson strcat(opts, "m"); 14142e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_METASLAB_GROUPS) 14152e4c9986SGeorge Wilson strcat(opts, "M"); 14162e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_HISTOGRAMS) 14172e4c9986SGeorge Wilson strcat(opts, "h"); 1418fa9e4066Sahrens 1419fa9e4066Sahrens v.a_type = MDB_TYPE_STRING; 14202e4c9986SGeorge Wilson v.a_un.a_str = opts; 1421fa9e4066Sahrens 1422fa9e4066Sahrens mdb_printf("\n"); 1423fa9e4066Sahrens mdb_inc_indent(4); 14242e4c9986SGeorge Wilson if (mdb_call_dcmd("spa_vdevs", addr, flags, args, 1425fa9e4066Sahrens &v) != DCMD_OK) 1426fa9e4066Sahrens return (DCMD_ERR); 1427fa9e4066Sahrens mdb_dec_indent(4); 1428fa9e4066Sahrens } 1429fa9e4066Sahrens 1430fa9e4066Sahrens return (DCMD_OK); 1431fa9e4066Sahrens } 1432fa9e4066Sahrens 143328e4da25SMatthew Ahrens typedef struct mdb_spa_config_spa { 1434d5ee8a13SMatthew Ahrens uintptr_t spa_config; 143528e4da25SMatthew Ahrens } mdb_spa_config_spa_t; 143628e4da25SMatthew Ahrens 1437fa9e4066Sahrens /* 1438fa9e4066Sahrens * ::spa_config 1439fa9e4066Sahrens * 1440fa9e4066Sahrens * Given a spa_t, print the configuration information stored in spa_config. 1441fa9e4066Sahrens * Since it's just an nvlist, format it as an indented list of name=value pairs. 1442fa9e4066Sahrens * We simply read the value of spa_config and pass off to ::nvlist. 1443fa9e4066Sahrens */ 1444fa9e4066Sahrens /* ARGSUSED */ 1445fa9e4066Sahrens static int 1446fa9e4066Sahrens spa_print_config(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1447fa9e4066Sahrens { 144828e4da25SMatthew Ahrens mdb_spa_config_spa_t spa; 1449fa9e4066Sahrens 1450fa9e4066Sahrens if (argc != 0 || !(flags & DCMD_ADDRSPEC)) 1451fa9e4066Sahrens return (DCMD_USAGE); 1452fa9e4066Sahrens 145328e4da25SMatthew Ahrens if (mdb_ctf_vread(&spa, ZFS_STRUCT "spa", "mdb_spa_config_spa_t", 145428e4da25SMatthew Ahrens addr, 0) == -1) 1455fa9e4066Sahrens return (DCMD_ERR); 1456fa9e4066Sahrens 1457d5ee8a13SMatthew Ahrens if (spa.spa_config == 0) { 1458fa9e4066Sahrens mdb_printf("(none)\n"); 1459fa9e4066Sahrens return (DCMD_OK); 1460fa9e4066Sahrens } 1461fa9e4066Sahrens 1462d5ee8a13SMatthew Ahrens return (mdb_call_dcmd("nvlist", spa.spa_config, flags, 1463fa9e4066Sahrens 0, NULL)); 1464fa9e4066Sahrens } 1465fa9e4066Sahrens 14662e4c9986SGeorge Wilson typedef struct mdb_range_tree { 1467814dcd43SSerapheim Dimitropoulos struct { 1468*4d7988d6SPaul Dagnelie uint64_t bt_num_elems; 1469*4d7988d6SPaul Dagnelie uint64_t bt_num_nodes; 1470814dcd43SSerapheim Dimitropoulos } rt_root; 14712e4c9986SGeorge Wilson uint64_t rt_space; 1472*4d7988d6SPaul Dagnelie range_seg_type_t rt_type; 1473*4d7988d6SPaul Dagnelie uint8_t rt_shift; 1474*4d7988d6SPaul Dagnelie uint64_t rt_start; 14752e4c9986SGeorge Wilson } mdb_range_tree_t; 14762e4c9986SGeorge Wilson 14772e4c9986SGeorge Wilson typedef struct mdb_metaslab_group { 14782e4c9986SGeorge Wilson uint64_t mg_fragmentation; 14792e4c9986SGeorge Wilson uint64_t mg_histogram[RANGE_TREE_HISTOGRAM_SIZE]; 14808363e80aSGeorge Wilson uintptr_t mg_vd; 14812e4c9986SGeorge Wilson } mdb_metaslab_group_t; 14822e4c9986SGeorge Wilson 14832e4c9986SGeorge Wilson typedef struct mdb_metaslab { 14842e4c9986SGeorge Wilson uint64_t ms_id; 14852e4c9986SGeorge Wilson uint64_t ms_start; 14862e4c9986SGeorge Wilson uint64_t ms_size; 14878363e80aSGeorge Wilson int64_t ms_deferspace; 14882e4c9986SGeorge Wilson uint64_t ms_fragmentation; 14898363e80aSGeorge Wilson uint64_t ms_weight; 149086714001SSerapheim Dimitropoulos uintptr_t ms_allocating[TXG_SIZE]; 149186714001SSerapheim Dimitropoulos uintptr_t ms_checkpointing; 149286714001SSerapheim Dimitropoulos uintptr_t ms_freeing; 149386714001SSerapheim Dimitropoulos uintptr_t ms_freed; 149486714001SSerapheim Dimitropoulos uintptr_t ms_allocatable; 1495814dcd43SSerapheim Dimitropoulos uintptr_t ms_unflushed_frees; 1496814dcd43SSerapheim Dimitropoulos uintptr_t ms_unflushed_allocs; 14972e4c9986SGeorge Wilson uintptr_t ms_sm; 14982e4c9986SGeorge Wilson } mdb_metaslab_t; 14992e4c9986SGeorge Wilson 15002e4c9986SGeorge Wilson typedef struct mdb_space_map_phys_t { 150186714001SSerapheim Dimitropoulos int64_t smp_alloc; 15022e4c9986SGeorge Wilson uint64_t smp_histogram[SPACE_MAP_HISTOGRAM_SIZE]; 15032e4c9986SGeorge Wilson } mdb_space_map_phys_t; 15042e4c9986SGeorge Wilson 15052e4c9986SGeorge Wilson typedef struct mdb_space_map { 15062e4c9986SGeorge Wilson uint64_t sm_size; 15072e4c9986SGeorge Wilson uint8_t sm_shift; 15082e4c9986SGeorge Wilson uintptr_t sm_phys; 15092e4c9986SGeorge Wilson } mdb_space_map_t; 15102e4c9986SGeorge Wilson 15112e4c9986SGeorge Wilson typedef struct mdb_vdev { 1512814dcd43SSerapheim Dimitropoulos uint64_t vdev_id; 1513814dcd43SSerapheim Dimitropoulos uint64_t vdev_state; 15148363e80aSGeorge Wilson uintptr_t vdev_ops; 1515814dcd43SSerapheim Dimitropoulos struct { 1516814dcd43SSerapheim Dimitropoulos uint64_t vs_aux; 1517814dcd43SSerapheim Dimitropoulos uint64_t vs_ops[VS_ZIO_TYPES]; 1518814dcd43SSerapheim Dimitropoulos uint64_t vs_bytes[VS_ZIO_TYPES]; 1519814dcd43SSerapheim Dimitropoulos uint64_t vs_read_errors; 1520814dcd43SSerapheim Dimitropoulos uint64_t vs_write_errors; 1521814dcd43SSerapheim Dimitropoulos uint64_t vs_checksum_errors; 1522814dcd43SSerapheim Dimitropoulos } vdev_stat; 1523814dcd43SSerapheim Dimitropoulos uintptr_t vdev_child; 1524814dcd43SSerapheim Dimitropoulos uint64_t vdev_children; 15252e4c9986SGeorge Wilson uint64_t vdev_ms_count; 1526814dcd43SSerapheim Dimitropoulos uintptr_t vdev_mg; 1527814dcd43SSerapheim Dimitropoulos uintptr_t vdev_ms; 1528814dcd43SSerapheim Dimitropoulos uintptr_t vdev_path; 15292e4c9986SGeorge Wilson } mdb_vdev_t; 15302e4c9986SGeorge Wilson 15318363e80aSGeorge Wilson typedef struct mdb_vdev_ops { 15328363e80aSGeorge Wilson char vdev_op_type[16]; 15338363e80aSGeorge Wilson } mdb_vdev_ops_t; 15348363e80aSGeorge Wilson 15352e4c9986SGeorge Wilson static int 1536814dcd43SSerapheim Dimitropoulos metaslab_stats(mdb_vdev_t *vd, int spa_flags) 15372e4c9986SGeorge Wilson { 15382e4c9986SGeorge Wilson mdb_inc_indent(4); 1539814dcd43SSerapheim Dimitropoulos mdb_printf("%<u>%-?s %6s %20s %10s %10s %10s%</u>\n", "ADDR", "ID", 1540814dcd43SSerapheim Dimitropoulos "OFFSET", "FREE", "FRAG", "UCMU"); 15412e4c9986SGeorge Wilson 1542814dcd43SSerapheim Dimitropoulos uintptr_t *vdev_ms = mdb_alloc(vd->vdev_ms_count * sizeof (vdev_ms), 15432e4c9986SGeorge Wilson UM_SLEEP | UM_GC); 1544814dcd43SSerapheim Dimitropoulos if (mdb_vread(vdev_ms, vd->vdev_ms_count * sizeof (uintptr_t), 1545814dcd43SSerapheim Dimitropoulos vd->vdev_ms) == -1) { 1546814dcd43SSerapheim Dimitropoulos mdb_warn("failed to read vdev_ms at %p\n", vd->vdev_ms); 15472e4c9986SGeorge Wilson return (DCMD_ERR); 15482e4c9986SGeorge Wilson } 15492e4c9986SGeorge Wilson 1550814dcd43SSerapheim Dimitropoulos for (int m = 0; m < vd->vdev_ms_count; m++) { 15512e4c9986SGeorge Wilson mdb_metaslab_t ms; 15522e4c9986SGeorge Wilson mdb_space_map_t sm = { 0 }; 1553814dcd43SSerapheim Dimitropoulos mdb_space_map_phys_t smp = { 0 }; 1554814dcd43SSerapheim Dimitropoulos mdb_range_tree_t rt; 1555814dcd43SSerapheim Dimitropoulos uint64_t uallocs, ufrees, raw_free, raw_uchanges_mem; 1556d70f65dfSToomas Soome char free[MDB_NICENUM_BUFLEN]; 1557814dcd43SSerapheim Dimitropoulos char uchanges_mem[MDB_NICENUM_BUFLEN]; 15582e4c9986SGeorge Wilson 15592e4c9986SGeorge Wilson if (mdb_ctf_vread(&ms, "metaslab_t", "mdb_metaslab_t", 1560814dcd43SSerapheim Dimitropoulos vdev_ms[m], 0) == -1) 15612e4c9986SGeorge Wilson return (DCMD_ERR); 15622e4c9986SGeorge Wilson 1563892ad162SToomas Soome if (ms.ms_sm != 0 && 15642e4c9986SGeorge Wilson mdb_ctf_vread(&sm, "space_map_t", "mdb_space_map_t", 15652e4c9986SGeorge Wilson ms.ms_sm, 0) == -1) 15662e4c9986SGeorge Wilson return (DCMD_ERR); 15672e4c9986SGeorge Wilson 1568814dcd43SSerapheim Dimitropoulos if (mdb_ctf_vread(&rt, "range_tree_t", "mdb_range_tree_t", 1569814dcd43SSerapheim Dimitropoulos ms.ms_unflushed_frees, 0) == -1) 1570814dcd43SSerapheim Dimitropoulos return (DCMD_ERR); 1571814dcd43SSerapheim Dimitropoulos ufrees = rt.rt_space; 1572*4d7988d6SPaul Dagnelie raw_uchanges_mem = rt.rt_root.bt_num_nodes * BTREE_LEAF_SIZE; 1573814dcd43SSerapheim Dimitropoulos 1574814dcd43SSerapheim Dimitropoulos if (mdb_ctf_vread(&rt, "range_tree_t", "mdb_range_tree_t", 1575814dcd43SSerapheim Dimitropoulos ms.ms_unflushed_allocs, 0) == -1) 1576814dcd43SSerapheim Dimitropoulos return (DCMD_ERR); 1577814dcd43SSerapheim Dimitropoulos uallocs = rt.rt_space; 1578*4d7988d6SPaul Dagnelie raw_uchanges_mem += rt.rt_root.bt_num_nodes * BTREE_LEAF_SIZE; 1579814dcd43SSerapheim Dimitropoulos mdb_nicenum(raw_uchanges_mem, uchanges_mem); 1580814dcd43SSerapheim Dimitropoulos 1581814dcd43SSerapheim Dimitropoulos raw_free = ms.ms_size; 1582814dcd43SSerapheim Dimitropoulos if (ms.ms_sm != 0 && sm.sm_phys != 0) { 158329d33d42SKody A Kantor (void) mdb_ctf_vread(&smp, "space_map_phys_t", 158429d33d42SKody A Kantor "mdb_space_map_phys_t", sm.sm_phys, 0); 1585814dcd43SSerapheim Dimitropoulos raw_free -= smp.smp_alloc; 158629d33d42SKody A Kantor } 1587814dcd43SSerapheim Dimitropoulos raw_free += ufrees - uallocs; 1588814dcd43SSerapheim Dimitropoulos mdb_nicenum(raw_free, free); 15892e4c9986SGeorge Wilson 15902e4c9986SGeorge Wilson mdb_printf("%0?p %6llu %20llx %10s ", vdev_ms[m], ms.ms_id, 15912e4c9986SGeorge Wilson ms.ms_start, free); 15922e4c9986SGeorge Wilson if (ms.ms_fragmentation == ZFS_FRAG_INVALID) 1593814dcd43SSerapheim Dimitropoulos mdb_printf("%9s ", "-"); 15942e4c9986SGeorge Wilson else 1595814dcd43SSerapheim Dimitropoulos mdb_printf("%9llu%% ", ms.ms_fragmentation); 1596814dcd43SSerapheim Dimitropoulos mdb_printf("%10s\n", uchanges_mem); 15972e4c9986SGeorge Wilson 1598814dcd43SSerapheim Dimitropoulos if ((spa_flags & SPA_FLAG_HISTOGRAMS) && ms.ms_sm != 0 && 1599814dcd43SSerapheim Dimitropoulos sm.sm_phys != 0) { 16002e4c9986SGeorge Wilson dump_histogram(smp.smp_histogram, 16012e4c9986SGeorge Wilson SPACE_MAP_HISTOGRAM_SIZE, sm.sm_shift); 16022e4c9986SGeorge Wilson } 16032e4c9986SGeorge Wilson } 16042e4c9986SGeorge Wilson mdb_dec_indent(4); 16052e4c9986SGeorge Wilson return (DCMD_OK); 16062e4c9986SGeorge Wilson } 16072e4c9986SGeorge Wilson 16082e4c9986SGeorge Wilson static int 1609814dcd43SSerapheim Dimitropoulos metaslab_group_stats(mdb_vdev_t *vd, int spa_flags) 16102e4c9986SGeorge Wilson { 16112e4c9986SGeorge Wilson mdb_metaslab_group_t mg; 16122e4c9986SGeorge Wilson if (mdb_ctf_vread(&mg, "metaslab_group_t", "mdb_metaslab_group_t", 1613814dcd43SSerapheim Dimitropoulos vd->vdev_mg, 0) == -1) { 1614814dcd43SSerapheim Dimitropoulos mdb_warn("failed to read vdev_mg at %p\n", vd->vdev_mg); 16152e4c9986SGeorge Wilson return (DCMD_ERR); 16162e4c9986SGeorge Wilson } 16172e4c9986SGeorge Wilson 16182e4c9986SGeorge Wilson mdb_inc_indent(4); 1619814dcd43SSerapheim Dimitropoulos mdb_printf("%<u>%-?s %7s %9s%</u>\n", "ADDR", "FRAG", "UCMU"); 1620814dcd43SSerapheim Dimitropoulos 16212e4c9986SGeorge Wilson if (mg.mg_fragmentation == ZFS_FRAG_INVALID) 1622814dcd43SSerapheim Dimitropoulos mdb_printf("%0?p %6s\n", vd->vdev_mg, "-"); 16232e4c9986SGeorge Wilson else 1624814dcd43SSerapheim Dimitropoulos mdb_printf("%0?p %6llu%%", vd->vdev_mg, mg.mg_fragmentation); 1625814dcd43SSerapheim Dimitropoulos 1626814dcd43SSerapheim Dimitropoulos 1627814dcd43SSerapheim Dimitropoulos uintptr_t *vdev_ms = mdb_alloc(vd->vdev_ms_count * sizeof (vdev_ms), 1628814dcd43SSerapheim Dimitropoulos UM_SLEEP | UM_GC); 1629814dcd43SSerapheim Dimitropoulos if (mdb_vread(vdev_ms, vd->vdev_ms_count * sizeof (uintptr_t), 1630814dcd43SSerapheim Dimitropoulos vd->vdev_ms) == -1) { 1631814dcd43SSerapheim Dimitropoulos mdb_warn("failed to read vdev_ms at %p\n", vd->vdev_ms); 1632814dcd43SSerapheim Dimitropoulos return (DCMD_ERR); 1633814dcd43SSerapheim Dimitropoulos } 1634814dcd43SSerapheim Dimitropoulos 1635814dcd43SSerapheim Dimitropoulos uint64_t raw_uchanges_mem = 0; 1636814dcd43SSerapheim Dimitropoulos char uchanges_mem[MDB_NICENUM_BUFLEN]; 1637814dcd43SSerapheim Dimitropoulos for (int m = 0; m < vd->vdev_ms_count; m++) { 1638814dcd43SSerapheim Dimitropoulos mdb_metaslab_t ms; 1639814dcd43SSerapheim Dimitropoulos mdb_range_tree_t rt; 1640814dcd43SSerapheim Dimitropoulos 1641814dcd43SSerapheim Dimitropoulos if (mdb_ctf_vread(&ms, "metaslab_t", "mdb_metaslab_t", 1642814dcd43SSerapheim Dimitropoulos vdev_ms[m], 0) == -1) 1643814dcd43SSerapheim Dimitropoulos return (DCMD_ERR); 1644814dcd43SSerapheim Dimitropoulos 1645814dcd43SSerapheim Dimitropoulos if (mdb_ctf_vread(&rt, "range_tree_t", "mdb_range_tree_t", 1646814dcd43SSerapheim Dimitropoulos ms.ms_unflushed_frees, 0) == -1) 1647814dcd43SSerapheim Dimitropoulos return (DCMD_ERR); 1648*4d7988d6SPaul Dagnelie raw_uchanges_mem += rt.rt_root.bt_num_nodes * BTREE_LEAF_SIZE; 1649814dcd43SSerapheim Dimitropoulos 1650814dcd43SSerapheim Dimitropoulos if (mdb_ctf_vread(&rt, "range_tree_t", "mdb_range_tree_t", 1651814dcd43SSerapheim Dimitropoulos ms.ms_unflushed_allocs, 0) == -1) 1652814dcd43SSerapheim Dimitropoulos return (DCMD_ERR); 1653*4d7988d6SPaul Dagnelie raw_uchanges_mem += rt.rt_root.bt_num_nodes * BTREE_LEAF_SIZE; 1654814dcd43SSerapheim Dimitropoulos } 1655814dcd43SSerapheim Dimitropoulos mdb_nicenum(raw_uchanges_mem, uchanges_mem); 1656814dcd43SSerapheim Dimitropoulos mdb_printf("%10s\n", uchanges_mem); 16572e4c9986SGeorge Wilson 16582e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_HISTOGRAMS) 16592e4c9986SGeorge Wilson dump_histogram(mg.mg_histogram, RANGE_TREE_HISTOGRAM_SIZE, 0); 16602e4c9986SGeorge Wilson mdb_dec_indent(4); 16612e4c9986SGeorge Wilson return (DCMD_OK); 16622e4c9986SGeorge Wilson } 16632e4c9986SGeorge Wilson 1664fa9e4066Sahrens /* 1665fa9e4066Sahrens * ::vdev 1666fa9e4066Sahrens * 1667fa9e4066Sahrens * Print out a summarized vdev_t, in the following form: 1668fa9e4066Sahrens * 1669fa9e4066Sahrens * ADDR STATE AUX DESC 1670fa9e4066Sahrens * fffffffbcde23df0 HEALTHY - /dev/dsk/c0t0d0 1671fa9e4066Sahrens * 1672fa9e4066Sahrens * If '-r' is specified, recursively visit all children. 1673fa9e4066Sahrens * 1674fa9e4066Sahrens * With '-e', the statistics associated with the vdev are printed as well. 1675fa9e4066Sahrens */ 1676fa9e4066Sahrens static int 16772e4c9986SGeorge Wilson do_print_vdev(uintptr_t addr, int flags, int depth, boolean_t recursive, 16782e4c9986SGeorge Wilson int spa_flags) 1679fa9e4066Sahrens { 1680814dcd43SSerapheim Dimitropoulos mdb_vdev_t vd; 1681814dcd43SSerapheim Dimitropoulos if (mdb_ctf_vread(&vd, "vdev_t", "mdb_vdev_t", 1682814dcd43SSerapheim Dimitropoulos (uintptr_t)addr, 0) == -1) 1683fa9e4066Sahrens return (DCMD_ERR); 1684fa9e4066Sahrens 1685fa9e4066Sahrens if (flags & DCMD_PIPE_OUT) { 1686b4952e17SGeorge Wilson mdb_printf("%#lr\n", addr); 1687fa9e4066Sahrens } else { 1688814dcd43SSerapheim Dimitropoulos char desc[MAXNAMELEN]; 1689814dcd43SSerapheim Dimitropoulos if (vd.vdev_path != 0) { 1690fa9e4066Sahrens if (mdb_readstr(desc, sizeof (desc), 1691814dcd43SSerapheim Dimitropoulos (uintptr_t)vd.vdev_path) == -1) { 1692fa9e4066Sahrens mdb_warn("failed to read vdev_path at %p\n", 1693814dcd43SSerapheim Dimitropoulos vd.vdev_path); 1694fa9e4066Sahrens return (DCMD_ERR); 1695fa9e4066Sahrens } 1696814dcd43SSerapheim Dimitropoulos } else if (vd.vdev_ops != 0) { 1697fa9e4066Sahrens vdev_ops_t ops; 1698fa9e4066Sahrens if (mdb_vread(&ops, sizeof (ops), 1699814dcd43SSerapheim Dimitropoulos (uintptr_t)vd.vdev_ops) == -1) { 1700fa9e4066Sahrens mdb_warn("failed to read vdev_ops at %p\n", 1701814dcd43SSerapheim Dimitropoulos vd.vdev_ops); 1702fa9e4066Sahrens return (DCMD_ERR); 1703fa9e4066Sahrens } 1704fa9e4066Sahrens (void) strcpy(desc, ops.vdev_op_type); 1705fa9e4066Sahrens } else { 1706fa9e4066Sahrens (void) strcpy(desc, "<unknown>"); 1707fa9e4066Sahrens } 1708fa9e4066Sahrens 1709fa9e4066Sahrens if (depth == 0 && DCMD_HDRSPEC(flags)) 1710fa9e4066Sahrens mdb_printf("%<u>%-?s %-9s %-12s %-*s%</u>\n", 1711fa9e4066Sahrens "ADDR", "STATE", "AUX", 1712fa9e4066Sahrens sizeof (uintptr_t) == 4 ? 43 : 35, 1713fa9e4066Sahrens "DESCRIPTION"); 1714fa9e4066Sahrens 1715fa9e4066Sahrens mdb_printf("%0?p ", addr); 1716fa9e4066Sahrens 1717814dcd43SSerapheim Dimitropoulos const char *state, *aux; 1718814dcd43SSerapheim Dimitropoulos switch (vd.vdev_state) { 1719fa9e4066Sahrens case VDEV_STATE_CLOSED: 1720ccae0b50Seschrock state = "CLOSED"; 1721ccae0b50Seschrock break; 1722fa9e4066Sahrens case VDEV_STATE_OFFLINE: 1723ccae0b50Seschrock state = "OFFLINE"; 1724ccae0b50Seschrock break; 1725fa9e4066Sahrens case VDEV_STATE_CANT_OPEN: 1726ccae0b50Seschrock state = "CANT_OPEN"; 1727ccae0b50Seschrock break; 1728fa9e4066Sahrens case VDEV_STATE_DEGRADED: 1729ccae0b50Seschrock state = "DEGRADED"; 1730ccae0b50Seschrock break; 1731fa9e4066Sahrens case VDEV_STATE_HEALTHY: 1732ccae0b50Seschrock state = "HEALTHY"; 1733ccae0b50Seschrock break; 17343d7072f8Seschrock case VDEV_STATE_REMOVED: 17353d7072f8Seschrock state = "REMOVED"; 17363d7072f8Seschrock break; 17373d7072f8Seschrock case VDEV_STATE_FAULTED: 17383d7072f8Seschrock state = "FAULTED"; 17393d7072f8Seschrock break; 1740fa9e4066Sahrens default: 1741ccae0b50Seschrock state = "UNKNOWN"; 1742ccae0b50Seschrock break; 1743fa9e4066Sahrens } 1744fa9e4066Sahrens 1745814dcd43SSerapheim Dimitropoulos switch (vd.vdev_stat.vs_aux) { 1746fa9e4066Sahrens case VDEV_AUX_NONE: 1747fa9e4066Sahrens aux = "-"; 1748fa9e4066Sahrens break; 1749fa9e4066Sahrens case VDEV_AUX_OPEN_FAILED: 1750fa9e4066Sahrens aux = "OPEN_FAILED"; 1751fa9e4066Sahrens break; 1752fa9e4066Sahrens case VDEV_AUX_CORRUPT_DATA: 1753fa9e4066Sahrens aux = "CORRUPT_DATA"; 1754fa9e4066Sahrens break; 1755fa9e4066Sahrens case VDEV_AUX_NO_REPLICAS: 1756fa9e4066Sahrens aux = "NO_REPLICAS"; 1757fa9e4066Sahrens break; 1758fa9e4066Sahrens case VDEV_AUX_BAD_GUID_SUM: 1759fa9e4066Sahrens aux = "BAD_GUID_SUM"; 1760fa9e4066Sahrens break; 1761fa9e4066Sahrens case VDEV_AUX_TOO_SMALL: 1762fa9e4066Sahrens aux = "TOO_SMALL"; 1763fa9e4066Sahrens break; 1764fa9e4066Sahrens case VDEV_AUX_BAD_LABEL: 1765fa9e4066Sahrens aux = "BAD_LABEL"; 1766fa9e4066Sahrens break; 1767b87f3af3Sperrin case VDEV_AUX_VERSION_NEWER: 1768b87f3af3Sperrin aux = "VERS_NEWER"; 1769b87f3af3Sperrin break; 1770b87f3af3Sperrin case VDEV_AUX_VERSION_OLDER: 1771b87f3af3Sperrin aux = "VERS_OLDER"; 1772b87f3af3Sperrin break; 1773ad135b5dSChristopher Siden case VDEV_AUX_UNSUP_FEAT: 1774ad135b5dSChristopher Siden aux = "UNSUP_FEAT"; 1775ad135b5dSChristopher Siden break; 1776b87f3af3Sperrin case VDEV_AUX_SPARED: 1777b87f3af3Sperrin aux = "SPARED"; 1778b87f3af3Sperrin break; 1779b87f3af3Sperrin case VDEV_AUX_ERR_EXCEEDED: 1780b87f3af3Sperrin aux = "ERR_EXCEEDED"; 1781b87f3af3Sperrin break; 1782b87f3af3Sperrin case VDEV_AUX_IO_FAILURE: 1783b87f3af3Sperrin aux = "IO_FAILURE"; 1784b87f3af3Sperrin break; 1785b87f3af3Sperrin case VDEV_AUX_BAD_LOG: 1786b87f3af3Sperrin aux = "BAD_LOG"; 1787b87f3af3Sperrin break; 17881195e687SMark J Musante case VDEV_AUX_EXTERNAL: 17891195e687SMark J Musante aux = "EXTERNAL"; 17901195e687SMark J Musante break; 17911195e687SMark J Musante case VDEV_AUX_SPLIT_POOL: 17921195e687SMark J Musante aux = "SPLIT_POOL"; 17931195e687SMark J Musante break; 17946f793812SPavel Zakharov case VDEV_AUX_CHILDREN_OFFLINE: 17956f793812SPavel Zakharov aux = "CHILDREN_OFFLINE"; 17966f793812SPavel Zakharov break; 1797fa9e4066Sahrens default: 1798fa9e4066Sahrens aux = "UNKNOWN"; 1799fa9e4066Sahrens break; 1800fa9e4066Sahrens } 1801fa9e4066Sahrens 1802fa9e4066Sahrens mdb_printf("%-9s %-12s %*s%s\n", state, aux, depth, "", desc); 1803fa9e4066Sahrens 18042e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_ERRORS) { 1805fa9e4066Sahrens int i; 1806fa9e4066Sahrens 1807fa9e4066Sahrens mdb_inc_indent(4); 1808fa9e4066Sahrens mdb_printf("\n"); 1809fa9e4066Sahrens mdb_printf("%<u> %12s %12s %12s %12s " 1810fa9e4066Sahrens "%12s%</u>\n", "READ", "WRITE", "FREE", "CLAIM", 1811fa9e4066Sahrens "IOCTL"); 1812fa9e4066Sahrens mdb_printf("OPS "); 1813814dcd43SSerapheim Dimitropoulos for (i = 1; i < VS_ZIO_TYPES; i++) 1814814dcd43SSerapheim Dimitropoulos mdb_printf("%11#llx%s", 1815814dcd43SSerapheim Dimitropoulos vd.vdev_stat.vs_ops[i], 1816814dcd43SSerapheim Dimitropoulos i == VS_ZIO_TYPES - 1 ? "" : " "); 1817fa9e4066Sahrens mdb_printf("\n"); 1818fa9e4066Sahrens mdb_printf("BYTES "); 1819814dcd43SSerapheim Dimitropoulos for (i = 1; i < VS_ZIO_TYPES; i++) 1820814dcd43SSerapheim Dimitropoulos mdb_printf("%11#llx%s", 1821814dcd43SSerapheim Dimitropoulos vd.vdev_stat.vs_bytes[i], 1822814dcd43SSerapheim Dimitropoulos i == VS_ZIO_TYPES - 1 ? "" : " "); 1823fa9e4066Sahrens 1824fa9e4066Sahrens 1825fa9e4066Sahrens mdb_printf("\n"); 1826814dcd43SSerapheim Dimitropoulos mdb_printf("EREAD %10#llx\n", 1827814dcd43SSerapheim Dimitropoulos vd.vdev_stat.vs_read_errors); 1828814dcd43SSerapheim Dimitropoulos mdb_printf("EWRITE %10#llx\n", 1829814dcd43SSerapheim Dimitropoulos vd.vdev_stat.vs_write_errors); 1830fa9e4066Sahrens mdb_printf("ECKSUM %10#llx\n", 1831814dcd43SSerapheim Dimitropoulos vd.vdev_stat.vs_checksum_errors); 1832fa9e4066Sahrens mdb_dec_indent(4); 18332e4c9986SGeorge Wilson mdb_printf("\n"); 1834fa9e4066Sahrens } 1835fa9e4066Sahrens 1836814dcd43SSerapheim Dimitropoulos if ((spa_flags & SPA_FLAG_METASLAB_GROUPS) && 1837814dcd43SSerapheim Dimitropoulos vd.vdev_mg != 0) { 1838814dcd43SSerapheim Dimitropoulos metaslab_group_stats(&vd, spa_flags); 18392e4c9986SGeorge Wilson } 1840814dcd43SSerapheim Dimitropoulos if ((spa_flags & SPA_FLAG_METASLABS) && vd.vdev_ms != 0) { 1841814dcd43SSerapheim Dimitropoulos metaslab_stats(&vd, spa_flags); 18422e4c9986SGeorge Wilson } 1843fa9e4066Sahrens } 1844fa9e4066Sahrens 1845814dcd43SSerapheim Dimitropoulos uint64_t children = vd.vdev_children; 1846fa9e4066Sahrens if (children == 0 || !recursive) 1847fa9e4066Sahrens return (DCMD_OK); 1848fa9e4066Sahrens 1849814dcd43SSerapheim Dimitropoulos uintptr_t *child = mdb_alloc(children * sizeof (child), 1850814dcd43SSerapheim Dimitropoulos UM_SLEEP | UM_GC); 1851814dcd43SSerapheim Dimitropoulos if (mdb_vread(child, children * sizeof (void *), vd.vdev_child) == -1) { 1852814dcd43SSerapheim Dimitropoulos mdb_warn("failed to read vdev children at %p", vd.vdev_child); 1853fa9e4066Sahrens return (DCMD_ERR); 1854fa9e4066Sahrens } 1855fa9e4066Sahrens 1856814dcd43SSerapheim Dimitropoulos for (uint64_t c = 0; c < children; c++) { 18572e4c9986SGeorge Wilson if (do_print_vdev(child[c], flags, depth + 2, recursive, 18582e4c9986SGeorge Wilson spa_flags)) { 1859fa9e4066Sahrens return (DCMD_ERR); 18602e4c9986SGeorge Wilson } 1861fa9e4066Sahrens } 1862fa9e4066Sahrens 1863fa9e4066Sahrens return (DCMD_OK); 1864fa9e4066Sahrens } 1865fa9e4066Sahrens 1866fa9e4066Sahrens static int 1867fa9e4066Sahrens vdev_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1868fa9e4066Sahrens { 1869c5904d13Seschrock uint64_t depth = 0; 18702e4c9986SGeorge Wilson boolean_t recursive = B_FALSE; 18712e4c9986SGeorge Wilson int spa_flags = 0; 1872fa9e4066Sahrens 1873fa9e4066Sahrens if (mdb_getopts(argc, argv, 18742e4c9986SGeorge Wilson 'e', MDB_OPT_SETBITS, SPA_FLAG_ERRORS, &spa_flags, 18752e4c9986SGeorge Wilson 'm', MDB_OPT_SETBITS, SPA_FLAG_METASLABS, &spa_flags, 18762e4c9986SGeorge Wilson 'M', MDB_OPT_SETBITS, SPA_FLAG_METASLAB_GROUPS, &spa_flags, 18772e4c9986SGeorge Wilson 'h', MDB_OPT_SETBITS, SPA_FLAG_HISTOGRAMS, &spa_flags, 1878fa9e4066Sahrens 'r', MDB_OPT_SETBITS, TRUE, &recursive, 18792e4c9986SGeorge Wilson 'd', MDB_OPT_UINT64, &depth, NULL) != argc) 1880fa9e4066Sahrens return (DCMD_USAGE); 1881fa9e4066Sahrens 1882fa9e4066Sahrens if (!(flags & DCMD_ADDRSPEC)) { 1883fa9e4066Sahrens mdb_warn("no vdev_t address given\n"); 1884fa9e4066Sahrens return (DCMD_ERR); 1885fa9e4066Sahrens } 1886fa9e4066Sahrens 18872e4c9986SGeorge Wilson return (do_print_vdev(addr, flags, (int)depth, recursive, spa_flags)); 1888fa9e4066Sahrens } 1889fa9e4066Sahrens 18908363e80aSGeorge Wilson typedef struct mdb_metaslab_alloc_trace { 18918363e80aSGeorge Wilson uintptr_t mat_mg; 18928363e80aSGeorge Wilson uintptr_t mat_msp; 18938363e80aSGeorge Wilson uint64_t mat_size; 18948363e80aSGeorge Wilson uint64_t mat_weight; 18958363e80aSGeorge Wilson uint64_t mat_offset; 18968363e80aSGeorge Wilson uint32_t mat_dva_id; 1897f78cdc34SPaul Dagnelie int mat_allocator; 18988363e80aSGeorge Wilson } mdb_metaslab_alloc_trace_t; 18998363e80aSGeorge Wilson 19008363e80aSGeorge Wilson static void 19018363e80aSGeorge Wilson metaslab_print_weight(uint64_t weight) 19028363e80aSGeorge Wilson { 19038363e80aSGeorge Wilson char buf[100]; 19048363e80aSGeorge Wilson 19058363e80aSGeorge Wilson if (WEIGHT_IS_SPACEBASED(weight)) { 19068363e80aSGeorge Wilson mdb_nicenum( 19078363e80aSGeorge Wilson weight & ~(METASLAB_ACTIVE_MASK | METASLAB_WEIGHT_TYPE), 19088363e80aSGeorge Wilson buf); 19098363e80aSGeorge Wilson } else { 1910d70f65dfSToomas Soome char size[MDB_NICENUM_BUFLEN]; 19118363e80aSGeorge Wilson mdb_nicenum(1ULL << WEIGHT_GET_INDEX(weight), size); 19128363e80aSGeorge Wilson (void) mdb_snprintf(buf, sizeof (buf), "%llu x %s", 19138363e80aSGeorge Wilson WEIGHT_GET_COUNT(weight), size); 19148363e80aSGeorge Wilson } 19158363e80aSGeorge Wilson mdb_printf("%11s ", buf); 19168363e80aSGeorge Wilson } 19178363e80aSGeorge Wilson 19188363e80aSGeorge Wilson /* ARGSUSED */ 19198363e80aSGeorge Wilson static int 19208363e80aSGeorge Wilson metaslab_weight(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 19218363e80aSGeorge Wilson { 19228363e80aSGeorge Wilson uint64_t weight = 0; 19238363e80aSGeorge Wilson char active; 19248363e80aSGeorge Wilson 19258363e80aSGeorge Wilson if (argc == 0 && (flags & DCMD_ADDRSPEC)) { 19268363e80aSGeorge Wilson if (mdb_vread(&weight, sizeof (uint64_t), addr) == -1) { 19278363e80aSGeorge Wilson mdb_warn("failed to read weight at %p\n", addr); 19288363e80aSGeorge Wilson return (DCMD_ERR); 19298363e80aSGeorge Wilson } 19308363e80aSGeorge Wilson } else if (argc == 1 && !(flags & DCMD_ADDRSPEC)) { 19318363e80aSGeorge Wilson weight = (argv[0].a_type == MDB_TYPE_IMMEDIATE) ? 19328363e80aSGeorge Wilson argv[0].a_un.a_val : mdb_strtoull(argv[0].a_un.a_str); 19338363e80aSGeorge Wilson } else { 19348363e80aSGeorge Wilson return (DCMD_USAGE); 19358363e80aSGeorge Wilson } 19368363e80aSGeorge Wilson 19378363e80aSGeorge Wilson if (DCMD_HDRSPEC(flags)) { 19388363e80aSGeorge Wilson mdb_printf("%<u>%-6s %9s %9s%</u>\n", 19398363e80aSGeorge Wilson "ACTIVE", "ALGORITHM", "WEIGHT"); 19408363e80aSGeorge Wilson } 19418363e80aSGeorge Wilson 19428363e80aSGeorge Wilson if (weight & METASLAB_WEIGHT_PRIMARY) 19438363e80aSGeorge Wilson active = 'P'; 19448363e80aSGeorge Wilson else if (weight & METASLAB_WEIGHT_SECONDARY) 19458363e80aSGeorge Wilson active = 'S'; 19468363e80aSGeorge Wilson else 19478363e80aSGeorge Wilson active = '-'; 19488363e80aSGeorge Wilson mdb_printf("%6c %8s ", active, 19498363e80aSGeorge Wilson WEIGHT_IS_SPACEBASED(weight) ? "SPACE" : "SEGMENT"); 19508363e80aSGeorge Wilson metaslab_print_weight(weight); 19518363e80aSGeorge Wilson mdb_printf("\n"); 19528363e80aSGeorge Wilson 19538363e80aSGeorge Wilson return (DCMD_OK); 19548363e80aSGeorge Wilson } 19558363e80aSGeorge Wilson 19568363e80aSGeorge Wilson /* ARGSUSED */ 19578363e80aSGeorge Wilson static int 19588363e80aSGeorge Wilson metaslab_trace(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 19598363e80aSGeorge Wilson { 19608363e80aSGeorge Wilson mdb_metaslab_alloc_trace_t mat; 19618363e80aSGeorge Wilson mdb_metaslab_group_t mg = { 0 }; 19628363e80aSGeorge Wilson char result_type[100]; 19638363e80aSGeorge Wilson 19648363e80aSGeorge Wilson if (mdb_ctf_vread(&mat, "metaslab_alloc_trace_t", 19658363e80aSGeorge Wilson "mdb_metaslab_alloc_trace_t", addr, 0) == -1) { 19668363e80aSGeorge Wilson return (DCMD_ERR); 19678363e80aSGeorge Wilson } 19688363e80aSGeorge Wilson 19698363e80aSGeorge Wilson if (!(flags & DCMD_PIPE_OUT) && DCMD_HDRSPEC(flags)) { 1970f78cdc34SPaul Dagnelie mdb_printf("%<u>%6s %6s %8s %11s %11s %18s %18s%</u>\n", 1971f78cdc34SPaul Dagnelie "MSID", "DVA", "ASIZE", "ALLOCATOR", "WEIGHT", "RESULT", 1972f78cdc34SPaul Dagnelie "VDEV"); 19738363e80aSGeorge Wilson } 19748363e80aSGeorge Wilson 1975892ad162SToomas Soome if (mat.mat_msp != 0) { 19768363e80aSGeorge Wilson mdb_metaslab_t ms; 19778363e80aSGeorge Wilson 19788363e80aSGeorge Wilson if (mdb_ctf_vread(&ms, "metaslab_t", "mdb_metaslab_t", 19798363e80aSGeorge Wilson mat.mat_msp, 0) == -1) { 19808363e80aSGeorge Wilson return (DCMD_ERR); 19818363e80aSGeorge Wilson } 19828363e80aSGeorge Wilson mdb_printf("%6llu ", ms.ms_id); 19838363e80aSGeorge Wilson } else { 19848363e80aSGeorge Wilson mdb_printf("%6s ", "-"); 19858363e80aSGeorge Wilson } 19868363e80aSGeorge Wilson 1987f78cdc34SPaul Dagnelie mdb_printf("%6d %8llx %11llx ", mat.mat_dva_id, mat.mat_size, 1988f78cdc34SPaul Dagnelie mat.mat_allocator); 19898363e80aSGeorge Wilson 19908363e80aSGeorge Wilson metaslab_print_weight(mat.mat_weight); 19918363e80aSGeorge Wilson 19928363e80aSGeorge Wilson if ((int64_t)mat.mat_offset < 0) { 19938363e80aSGeorge Wilson if (enum_lookup("enum trace_alloc_type", mat.mat_offset, 19948363e80aSGeorge Wilson "TRACE_", sizeof (result_type), result_type) == -1) { 19958363e80aSGeorge Wilson mdb_warn("Could not find enum for trace_alloc_type"); 19968363e80aSGeorge Wilson return (DCMD_ERR); 19978363e80aSGeorge Wilson } 19988363e80aSGeorge Wilson mdb_printf("%18s ", result_type); 19998363e80aSGeorge Wilson } else { 20008363e80aSGeorge Wilson mdb_printf("%<b>%18llx%</b> ", mat.mat_offset); 20018363e80aSGeorge Wilson } 20028363e80aSGeorge Wilson 2003892ad162SToomas Soome if (mat.mat_mg != 0 && 20048363e80aSGeorge Wilson mdb_ctf_vread(&mg, "metaslab_group_t", "mdb_metaslab_group_t", 20058363e80aSGeorge Wilson mat.mat_mg, 0) == -1) { 20068363e80aSGeorge Wilson return (DCMD_ERR); 20078363e80aSGeorge Wilson } 20088363e80aSGeorge Wilson 2009892ad162SToomas Soome if (mg.mg_vd != 0) { 20108363e80aSGeorge Wilson mdb_vdev_t vdev; 20118363e80aSGeorge Wilson char desc[MAXNAMELEN]; 20128363e80aSGeorge Wilson 20138363e80aSGeorge Wilson if (mdb_ctf_vread(&vdev, "vdev_t", "mdb_vdev_t", 20148363e80aSGeorge Wilson mg.mg_vd, 0) == -1) { 20158363e80aSGeorge Wilson return (DCMD_ERR); 20168363e80aSGeorge Wilson } 20178363e80aSGeorge Wilson 2018892ad162SToomas Soome if (vdev.vdev_path != 0) { 20198363e80aSGeorge Wilson char path[MAXNAMELEN]; 20208363e80aSGeorge Wilson 20218363e80aSGeorge Wilson if (mdb_readstr(path, sizeof (path), 20228363e80aSGeorge Wilson vdev.vdev_path) == -1) { 20238363e80aSGeorge Wilson mdb_warn("failed to read vdev_path at %p\n", 20248363e80aSGeorge Wilson vdev.vdev_path); 20258363e80aSGeorge Wilson return (DCMD_ERR); 20268363e80aSGeorge Wilson } 20278363e80aSGeorge Wilson char *slash; 20288363e80aSGeorge Wilson if ((slash = strrchr(path, '/')) != NULL) { 20298363e80aSGeorge Wilson strcpy(desc, slash + 1); 20308363e80aSGeorge Wilson } else { 20318363e80aSGeorge Wilson strcpy(desc, path); 20328363e80aSGeorge Wilson } 2033892ad162SToomas Soome } else if (vdev.vdev_ops != 0) { 20348363e80aSGeorge Wilson mdb_vdev_ops_t ops; 20358363e80aSGeorge Wilson if (mdb_ctf_vread(&ops, "vdev_ops_t", "mdb_vdev_ops_t", 20368363e80aSGeorge Wilson vdev.vdev_ops, 0) == -1) { 20378363e80aSGeorge Wilson mdb_warn("failed to read vdev_ops at %p\n", 20388363e80aSGeorge Wilson vdev.vdev_ops); 20398363e80aSGeorge Wilson return (DCMD_ERR); 20408363e80aSGeorge Wilson } 20418363e80aSGeorge Wilson (void) mdb_snprintf(desc, sizeof (desc), 20428363e80aSGeorge Wilson "%s-%llu", ops.vdev_op_type, vdev.vdev_id); 20438363e80aSGeorge Wilson } else { 20448363e80aSGeorge Wilson (void) strcpy(desc, "<unknown>"); 20458363e80aSGeorge Wilson } 20468363e80aSGeorge Wilson mdb_printf("%18s\n", desc); 20478363e80aSGeorge Wilson } 20488363e80aSGeorge Wilson 20498363e80aSGeorge Wilson return (DCMD_OK); 20508363e80aSGeorge Wilson } 20518363e80aSGeorge Wilson 20525f5f7a6fSahrens typedef struct metaslab_walk_data { 20535f5f7a6fSahrens uint64_t mw_numvdevs; 20545f5f7a6fSahrens uintptr_t *mw_vdevs; 20555f5f7a6fSahrens int mw_curvdev; 20565f5f7a6fSahrens uint64_t mw_nummss; 20575f5f7a6fSahrens uintptr_t *mw_mss; 20585f5f7a6fSahrens int mw_curms; 20595f5f7a6fSahrens } metaslab_walk_data_t; 20605f5f7a6fSahrens 20615f5f7a6fSahrens static int 20625f5f7a6fSahrens metaslab_walk_step(mdb_walk_state_t *wsp) 20635f5f7a6fSahrens { 20645f5f7a6fSahrens metaslab_walk_data_t *mw = wsp->walk_data; 20655f5f7a6fSahrens metaslab_t ms; 20665f5f7a6fSahrens uintptr_t msp; 20675f5f7a6fSahrens 20685f5f7a6fSahrens if (mw->mw_curvdev >= mw->mw_numvdevs) 20695f5f7a6fSahrens return (WALK_DONE); 20705f5f7a6fSahrens 20715f5f7a6fSahrens if (mw->mw_mss == NULL) { 20725f5f7a6fSahrens uintptr_t mssp; 20735f5f7a6fSahrens uintptr_t vdevp; 20745f5f7a6fSahrens 20755f5f7a6fSahrens ASSERT(mw->mw_curms == 0); 20765f5f7a6fSahrens ASSERT(mw->mw_nummss == 0); 20775f5f7a6fSahrens 20785f5f7a6fSahrens vdevp = mw->mw_vdevs[mw->mw_curvdev]; 207928e4da25SMatthew Ahrens if (GETMEMB(vdevp, "vdev", vdev_ms, mssp) || 208028e4da25SMatthew Ahrens GETMEMB(vdevp, "vdev", vdev_ms_count, mw->mw_nummss)) { 20815f5f7a6fSahrens return (WALK_ERR); 20825f5f7a6fSahrens } 20835f5f7a6fSahrens 20845f5f7a6fSahrens mw->mw_mss = mdb_alloc(mw->mw_nummss * sizeof (void*), 20855f5f7a6fSahrens UM_SLEEP | UM_GC); 20865f5f7a6fSahrens if (mdb_vread(mw->mw_mss, mw->mw_nummss * sizeof (void*), 20875f5f7a6fSahrens mssp) == -1) { 20885f5f7a6fSahrens mdb_warn("failed to read vdev_ms at %p", mssp); 20895f5f7a6fSahrens return (WALK_ERR); 20905f5f7a6fSahrens } 20915f5f7a6fSahrens } 20925f5f7a6fSahrens 20935f5f7a6fSahrens if (mw->mw_curms >= mw->mw_nummss) { 20945f5f7a6fSahrens mw->mw_mss = NULL; 20955f5f7a6fSahrens mw->mw_curms = 0; 20965f5f7a6fSahrens mw->mw_nummss = 0; 20975f5f7a6fSahrens mw->mw_curvdev++; 20985f5f7a6fSahrens return (WALK_NEXT); 20995f5f7a6fSahrens } 21005f5f7a6fSahrens 21015f5f7a6fSahrens msp = mw->mw_mss[mw->mw_curms]; 21025f5f7a6fSahrens if (mdb_vread(&ms, sizeof (metaslab_t), msp) == -1) { 21035f5f7a6fSahrens mdb_warn("failed to read metaslab_t at %p", msp); 21045f5f7a6fSahrens return (WALK_ERR); 21055f5f7a6fSahrens } 21065f5f7a6fSahrens 21075f5f7a6fSahrens mw->mw_curms++; 21085f5f7a6fSahrens 21095f5f7a6fSahrens return (wsp->walk_callback(msp, &ms, wsp->walk_cbdata)); 21105f5f7a6fSahrens } 21115f5f7a6fSahrens 21125f5f7a6fSahrens static int 21135f5f7a6fSahrens metaslab_walk_init(mdb_walk_state_t *wsp) 21145f5f7a6fSahrens { 21155f5f7a6fSahrens metaslab_walk_data_t *mw; 21165f5f7a6fSahrens uintptr_t root_vdevp; 21175f5f7a6fSahrens uintptr_t childp; 21185f5f7a6fSahrens 2119892ad162SToomas Soome if (wsp->walk_addr == 0) { 21205f5f7a6fSahrens mdb_warn("must supply address of spa_t\n"); 21215f5f7a6fSahrens return (WALK_ERR); 21225f5f7a6fSahrens } 21235f5f7a6fSahrens 21245f5f7a6fSahrens mw = mdb_zalloc(sizeof (metaslab_walk_data_t), UM_SLEEP | UM_GC); 21255f5f7a6fSahrens 212628e4da25SMatthew Ahrens if (GETMEMB(wsp->walk_addr, "spa", spa_root_vdev, root_vdevp) || 212728e4da25SMatthew Ahrens GETMEMB(root_vdevp, "vdev", vdev_children, mw->mw_numvdevs) || 212828e4da25SMatthew Ahrens GETMEMB(root_vdevp, "vdev", vdev_child, childp)) { 21295f5f7a6fSahrens return (DCMD_ERR); 21305f5f7a6fSahrens } 21315f5f7a6fSahrens 21325f5f7a6fSahrens mw->mw_vdevs = mdb_alloc(mw->mw_numvdevs * sizeof (void *), 21335f5f7a6fSahrens UM_SLEEP | UM_GC); 21345f5f7a6fSahrens if (mdb_vread(mw->mw_vdevs, mw->mw_numvdevs * sizeof (void *), 21355f5f7a6fSahrens childp) == -1) { 21365f5f7a6fSahrens mdb_warn("failed to read root vdev children at %p", childp); 21375f5f7a6fSahrens return (DCMD_ERR); 21385f5f7a6fSahrens } 21395f5f7a6fSahrens 21405f5f7a6fSahrens wsp->walk_data = mw; 21415f5f7a6fSahrens 21425f5f7a6fSahrens return (WALK_NEXT); 21435f5f7a6fSahrens } 21445f5f7a6fSahrens 2145fa9e4066Sahrens typedef struct mdb_spa { 2146fa9e4066Sahrens uintptr_t spa_dsl_pool; 2147fa9e4066Sahrens uintptr_t spa_root_vdev; 2148fa9e4066Sahrens } mdb_spa_t; 2149fa9e4066Sahrens 21502515f5d4SJustin T. Gibbs typedef struct mdb_dsl_pool { 21512515f5d4SJustin T. Gibbs uintptr_t dp_root_dir; 21522515f5d4SJustin T. Gibbs } mdb_dsl_pool_t; 21532515f5d4SJustin T. Gibbs 2154fa9e4066Sahrens typedef struct mdb_dsl_dir { 21552515f5d4SJustin T. Gibbs uintptr_t dd_dbuf; 2156fa9e4066Sahrens int64_t dd_space_towrite[TXG_SIZE]; 2157fa9e4066Sahrens } mdb_dsl_dir_t; 2158fa9e4066Sahrens 2159fa9e4066Sahrens typedef struct mdb_dsl_dir_phys { 2160fa9e4066Sahrens uint64_t dd_used_bytes; 2161fa9e4066Sahrens uint64_t dd_compressed_bytes; 2162fa9e4066Sahrens uint64_t dd_uncompressed_bytes; 2163fa9e4066Sahrens } mdb_dsl_dir_phys_t; 2164fa9e4066Sahrens 21655f5f7a6fSahrens typedef struct space_data { 216686714001SSerapheim Dimitropoulos uint64_t ms_allocating[TXG_SIZE]; 216786714001SSerapheim Dimitropoulos uint64_t ms_checkpointing; 216886714001SSerapheim Dimitropoulos uint64_t ms_freeing; 216986714001SSerapheim Dimitropoulos uint64_t ms_freed; 2170814dcd43SSerapheim Dimitropoulos uint64_t ms_unflushed_frees; 2171814dcd43SSerapheim Dimitropoulos uint64_t ms_unflushed_allocs; 217286714001SSerapheim Dimitropoulos uint64_t ms_allocatable; 21738363e80aSGeorge Wilson int64_t ms_deferspace; 2174814dcd43SSerapheim Dimitropoulos uint64_t avail; 21755f5f7a6fSahrens } space_data_t; 21765f5f7a6fSahrens 21775f5f7a6fSahrens /* ARGSUSED */ 21785f5f7a6fSahrens static int 21795f5f7a6fSahrens space_cb(uintptr_t addr, const void *unknown, void *arg) 21805f5f7a6fSahrens { 21815f5f7a6fSahrens space_data_t *sd = arg; 21825f5f7a6fSahrens mdb_metaslab_t ms; 21830713e232SGeorge Wilson mdb_range_tree_t rt; 21842e4c9986SGeorge Wilson mdb_space_map_t sm = { 0 }; 21850713e232SGeorge Wilson mdb_space_map_phys_t smp = { 0 }; 2186814dcd43SSerapheim Dimitropoulos uint64_t uallocs, ufrees; 21870713e232SGeorge Wilson int i; 21880713e232SGeorge Wilson 21890713e232SGeorge Wilson if (mdb_ctf_vread(&ms, "metaslab_t", "mdb_metaslab_t", 21900713e232SGeorge Wilson addr, 0) == -1) 21910713e232SGeorge Wilson return (WALK_ERR); 21920713e232SGeorge Wilson 21930713e232SGeorge Wilson for (i = 0; i < TXG_SIZE; i++) { 21940713e232SGeorge Wilson if (mdb_ctf_vread(&rt, "range_tree_t", 219586714001SSerapheim Dimitropoulos "mdb_range_tree_t", ms.ms_allocating[i], 0) == -1) 21962e4c9986SGeorge Wilson return (WALK_ERR); 219786714001SSerapheim Dimitropoulos sd->ms_allocating[i] += rt.rt_space; 21980713e232SGeorge Wilson } 21990713e232SGeorge Wilson 22005f145778SMatthew Ahrens if (mdb_ctf_vread(&rt, "range_tree_t", 220186714001SSerapheim Dimitropoulos "mdb_range_tree_t", ms.ms_checkpointing, 0) == -1) 22025f145778SMatthew Ahrens return (WALK_ERR); 220386714001SSerapheim Dimitropoulos sd->ms_checkpointing += rt.rt_space; 22045f145778SMatthew Ahrens 22055f145778SMatthew Ahrens if (mdb_ctf_vread(&rt, "range_tree_t", 220686714001SSerapheim Dimitropoulos "mdb_range_tree_t", ms.ms_freeing, 0) == -1) 22075f145778SMatthew Ahrens return (WALK_ERR); 220886714001SSerapheim Dimitropoulos sd->ms_freeing += rt.rt_space; 22095f145778SMatthew Ahrens 22100713e232SGeorge Wilson if (mdb_ctf_vread(&rt, "range_tree_t", 221186714001SSerapheim Dimitropoulos "mdb_range_tree_t", ms.ms_freed, 0) == -1) 22122e4c9986SGeorge Wilson return (WALK_ERR); 221386714001SSerapheim Dimitropoulos sd->ms_freed += rt.rt_space; 221486714001SSerapheim Dimitropoulos 221586714001SSerapheim Dimitropoulos if (mdb_ctf_vread(&rt, "range_tree_t", 221686714001SSerapheim Dimitropoulos "mdb_range_tree_t", ms.ms_allocatable, 0) == -1) 221786714001SSerapheim Dimitropoulos return (WALK_ERR); 221886714001SSerapheim Dimitropoulos sd->ms_allocatable += rt.rt_space; 22192e4c9986SGeorge Wilson 2220814dcd43SSerapheim Dimitropoulos if (mdb_ctf_vread(&rt, "range_tree_t", 2221814dcd43SSerapheim Dimitropoulos "mdb_range_tree_t", ms.ms_unflushed_frees, 0) == -1) 2222814dcd43SSerapheim Dimitropoulos return (WALK_ERR); 2223814dcd43SSerapheim Dimitropoulos sd->ms_unflushed_frees += rt.rt_space; 2224814dcd43SSerapheim Dimitropoulos ufrees = rt.rt_space; 2225814dcd43SSerapheim Dimitropoulos 2226814dcd43SSerapheim Dimitropoulos if (mdb_ctf_vread(&rt, "range_tree_t", 2227814dcd43SSerapheim Dimitropoulos "mdb_range_tree_t", ms.ms_unflushed_allocs, 0) == -1) 2228814dcd43SSerapheim Dimitropoulos return (WALK_ERR); 2229814dcd43SSerapheim Dimitropoulos sd->ms_unflushed_allocs += rt.rt_space; 2230814dcd43SSerapheim Dimitropoulos uallocs = rt.rt_space; 2231814dcd43SSerapheim Dimitropoulos 2232892ad162SToomas Soome if (ms.ms_sm != 0 && 22330713e232SGeorge Wilson mdb_ctf_vread(&sm, "space_map_t", 22340713e232SGeorge Wilson "mdb_space_map_t", ms.ms_sm, 0) == -1) 22355f5f7a6fSahrens return (WALK_ERR); 22360713e232SGeorge Wilson 2237892ad162SToomas Soome if (sm.sm_phys != 0) { 22380713e232SGeorge Wilson (void) mdb_ctf_vread(&smp, "space_map_phys_t", 22390713e232SGeorge Wilson "mdb_space_map_phys_t", sm.sm_phys, 0); 22405f5f7a6fSahrens } 22415f5f7a6fSahrens 22428363e80aSGeorge Wilson sd->ms_deferspace += ms.ms_deferspace; 2243814dcd43SSerapheim Dimitropoulos sd->avail += sm.sm_size - smp.smp_alloc + ufrees - uallocs; 22445f5f7a6fSahrens 22455f5f7a6fSahrens return (WALK_NEXT); 22465f5f7a6fSahrens } 22475f5f7a6fSahrens 2248fa9e4066Sahrens /* 2249fa9e4066Sahrens * ::spa_space [-b] 2250fa9e4066Sahrens * 2251fa9e4066Sahrens * Given a spa_t, print out it's on-disk space usage and in-core 2252fa9e4066Sahrens * estimates of future usage. If -b is given, print space in bytes. 2253fa9e4066Sahrens * Otherwise print in megabytes. 2254fa9e4066Sahrens */ 2255fa9e4066Sahrens /* ARGSUSED */ 2256fa9e4066Sahrens static int 2257fa9e4066Sahrens spa_space(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 2258fa9e4066Sahrens { 2259fa9e4066Sahrens mdb_spa_t spa; 22602515f5d4SJustin T. Gibbs mdb_dsl_pool_t dp; 2261fa9e4066Sahrens mdb_dsl_dir_t dd; 22622515f5d4SJustin T. Gibbs mdb_dmu_buf_impl_t db; 2263fa9e4066Sahrens mdb_dsl_dir_phys_t dsp; 22645f5f7a6fSahrens space_data_t sd; 2265fa9e4066Sahrens int shift = 20; 2266fa9e4066Sahrens char *suffix = "M"; 226728e4da25SMatthew Ahrens int bytes = B_FALSE; 2268fa9e4066Sahrens 226928e4da25SMatthew Ahrens if (mdb_getopts(argc, argv, 'b', MDB_OPT_SETBITS, TRUE, &bytes, NULL) != 2270fa9e4066Sahrens argc) 2271fa9e4066Sahrens return (DCMD_USAGE); 2272fa9e4066Sahrens if (!(flags & DCMD_ADDRSPEC)) 2273fa9e4066Sahrens return (DCMD_USAGE); 2274fa9e4066Sahrens 227528e4da25SMatthew Ahrens if (bytes) { 2276fa9e4066Sahrens shift = 0; 2277fa9e4066Sahrens suffix = ""; 2278fa9e4066Sahrens } 2279fa9e4066Sahrens 22802515f5d4SJustin T. Gibbs if (mdb_ctf_vread(&spa, ZFS_STRUCT "spa", "mdb_spa_t", 22812515f5d4SJustin T. Gibbs addr, 0) == -1 || 22822515f5d4SJustin T. Gibbs mdb_ctf_vread(&dp, ZFS_STRUCT "dsl_pool", "mdb_dsl_pool_t", 22832515f5d4SJustin T. Gibbs spa.spa_dsl_pool, 0) == -1 || 22842515f5d4SJustin T. Gibbs mdb_ctf_vread(&dd, ZFS_STRUCT "dsl_dir", "mdb_dsl_dir_t", 22852515f5d4SJustin T. Gibbs dp.dp_root_dir, 0) == -1 || 22862515f5d4SJustin T. Gibbs mdb_ctf_vread(&db, ZFS_STRUCT "dmu_buf_impl", "mdb_dmu_buf_impl_t", 22872515f5d4SJustin T. Gibbs dd.dd_dbuf, 0) == -1 || 22882515f5d4SJustin T. Gibbs mdb_ctf_vread(&dsp, ZFS_STRUCT "dsl_dir_phys", 22892515f5d4SJustin T. Gibbs "mdb_dsl_dir_phys_t", db.db.db_data, 0) == -1) { 2290fa9e4066Sahrens return (DCMD_ERR); 2291fa9e4066Sahrens } 2292fa9e4066Sahrens 2293fa9e4066Sahrens mdb_printf("dd_space_towrite = %llu%s %llu%s %llu%s %llu%s\n", 2294fa9e4066Sahrens dd.dd_space_towrite[0] >> shift, suffix, 2295fa9e4066Sahrens dd.dd_space_towrite[1] >> shift, suffix, 2296fa9e4066Sahrens dd.dd_space_towrite[2] >> shift, suffix, 2297fa9e4066Sahrens dd.dd_space_towrite[3] >> shift, suffix); 2298fa9e4066Sahrens 2299fa9e4066Sahrens mdb_printf("dd_phys.dd_used_bytes = %llu%s\n", 2300fa9e4066Sahrens dsp.dd_used_bytes >> shift, suffix); 23015f5f7a6fSahrens mdb_printf("dd_phys.dd_compressed_bytes = %llu%s\n", 23025f5f7a6fSahrens dsp.dd_compressed_bytes >> shift, suffix); 23035f5f7a6fSahrens mdb_printf("dd_phys.dd_uncompressed_bytes = %llu%s\n", 23045f5f7a6fSahrens dsp.dd_uncompressed_bytes >> shift, suffix); 23055f5f7a6fSahrens 23065f5f7a6fSahrens bzero(&sd, sizeof (sd)); 23075f5f7a6fSahrens if (mdb_pwalk("metaslab", space_cb, &sd, addr) != 0) { 23085f5f7a6fSahrens mdb_warn("can't walk metaslabs"); 23095f5f7a6fSahrens return (DCMD_ERR); 2310fa9e4066Sahrens } 2311fa9e4066Sahrens 2312fa9e4066Sahrens mdb_printf("ms_allocmap = %llu%s %llu%s %llu%s %llu%s\n", 231386714001SSerapheim Dimitropoulos sd.ms_allocating[0] >> shift, suffix, 231486714001SSerapheim Dimitropoulos sd.ms_allocating[1] >> shift, suffix, 231586714001SSerapheim Dimitropoulos sd.ms_allocating[2] >> shift, suffix, 231686714001SSerapheim Dimitropoulos sd.ms_allocating[3] >> shift, suffix); 231786714001SSerapheim Dimitropoulos mdb_printf("ms_checkpointing = %llu%s\n", 231886714001SSerapheim Dimitropoulos sd.ms_checkpointing >> shift, suffix); 231986714001SSerapheim Dimitropoulos mdb_printf("ms_freeing = %llu%s\n", 232086714001SSerapheim Dimitropoulos sd.ms_freeing >> shift, suffix); 232186714001SSerapheim Dimitropoulos mdb_printf("ms_freed = %llu%s\n", 232286714001SSerapheim Dimitropoulos sd.ms_freed >> shift, suffix); 2323814dcd43SSerapheim Dimitropoulos mdb_printf("ms_unflushed_frees = %llu%s\n", 2324814dcd43SSerapheim Dimitropoulos sd.ms_unflushed_frees >> shift, suffix); 2325814dcd43SSerapheim Dimitropoulos mdb_printf("ms_unflushed_allocs = %llu%s\n", 2326814dcd43SSerapheim Dimitropoulos sd.ms_unflushed_allocs >> shift, suffix); 232786714001SSerapheim Dimitropoulos mdb_printf("ms_allocatable = %llu%s\n", 232886714001SSerapheim Dimitropoulos sd.ms_allocatable >> shift, suffix); 23298363e80aSGeorge Wilson mdb_printf("ms_deferspace = %llu%s\n", 23308363e80aSGeorge Wilson sd.ms_deferspace >> shift, suffix); 2331814dcd43SSerapheim Dimitropoulos mdb_printf("current avail = %llu%s\n", 2332814dcd43SSerapheim Dimitropoulos sd.avail >> shift, suffix); 2333fa9e4066Sahrens 2334fa9e4066Sahrens return (DCMD_OK); 2335fa9e4066Sahrens } 2336fa9e4066Sahrens 233722ce0148SMatthew Ahrens typedef struct mdb_spa_aux_vdev { 233822ce0148SMatthew Ahrens int sav_count; 233922ce0148SMatthew Ahrens uintptr_t sav_vdevs; 234022ce0148SMatthew Ahrens } mdb_spa_aux_vdev_t; 2341fa9e4066Sahrens 234222ce0148SMatthew Ahrens typedef struct mdb_spa_vdevs { 234322ce0148SMatthew Ahrens uintptr_t spa_root_vdev; 234422ce0148SMatthew Ahrens mdb_spa_aux_vdev_t spa_l2cache; 234522ce0148SMatthew Ahrens mdb_spa_aux_vdev_t spa_spares; 234622ce0148SMatthew Ahrens } mdb_spa_vdevs_t; 2347fa9e4066Sahrens 2348ec9f632eSEric Schrock static int 234922ce0148SMatthew Ahrens spa_print_aux(mdb_spa_aux_vdev_t *sav, uint_t flags, mdb_arg_t *v, 2350ec9f632eSEric Schrock const char *name) 2351ec9f632eSEric Schrock { 2352ec9f632eSEric Schrock uintptr_t *aux; 2353ec9f632eSEric Schrock size_t len; 2354ec9f632eSEric Schrock int ret, i; 2355ec9f632eSEric Schrock 2356ec9f632eSEric Schrock /* 2357ec9f632eSEric Schrock * Iterate over aux vdevs and print those out as well. This is a 2358ec9f632eSEric Schrock * little annoying because we don't have a root vdev to pass to ::vdev. 2359ec9f632eSEric Schrock * Instead, we print a single line and then call it for each child 2360ec9f632eSEric Schrock * vdev. 2361ec9f632eSEric Schrock */ 2362ec9f632eSEric Schrock if (sav->sav_count != 0) { 2363ec9f632eSEric Schrock v[1].a_type = MDB_TYPE_STRING; 2364ec9f632eSEric Schrock v[1].a_un.a_str = "-d"; 2365ec9f632eSEric Schrock v[2].a_type = MDB_TYPE_IMMEDIATE; 2366ec9f632eSEric Schrock v[2].a_un.a_val = 2; 2367ec9f632eSEric Schrock 2368ec9f632eSEric Schrock len = sav->sav_count * sizeof (uintptr_t); 2369ec9f632eSEric Schrock aux = mdb_alloc(len, UM_SLEEP); 237022ce0148SMatthew Ahrens if (mdb_vread(aux, len, sav->sav_vdevs) == -1) { 2371ec9f632eSEric Schrock mdb_free(aux, len); 2372ec9f632eSEric Schrock mdb_warn("failed to read l2cache vdevs at %p", 2373ec9f632eSEric Schrock sav->sav_vdevs); 2374ec9f632eSEric Schrock return (DCMD_ERR); 2375ec9f632eSEric Schrock } 2376ec9f632eSEric Schrock 2377ec9f632eSEric Schrock mdb_printf("%-?s %-9s %-12s %s\n", "-", "-", "-", name); 2378ec9f632eSEric Schrock 2379ec9f632eSEric Schrock for (i = 0; i < sav->sav_count; i++) { 2380ec9f632eSEric Schrock ret = mdb_call_dcmd("vdev", aux[i], flags, 3, v); 2381ec9f632eSEric Schrock if (ret != DCMD_OK) { 2382ec9f632eSEric Schrock mdb_free(aux, len); 2383ec9f632eSEric Schrock return (ret); 2384ec9f632eSEric Schrock } 2385ec9f632eSEric Schrock } 2386ec9f632eSEric Schrock 2387ec9f632eSEric Schrock mdb_free(aux, len); 2388ec9f632eSEric Schrock } 2389ec9f632eSEric Schrock 2390ec9f632eSEric Schrock return (0); 2391ec9f632eSEric Schrock } 2392ec9f632eSEric Schrock 2393fa9e4066Sahrens /* 2394fa9e4066Sahrens * ::spa_vdevs 2395fa9e4066Sahrens * 23962e4c9986SGeorge Wilson * -e Include error stats 23972e4c9986SGeorge Wilson * -m Include metaslab information 23982e4c9986SGeorge Wilson * -M Include metaslab group information 23992e4c9986SGeorge Wilson * -h Include histogram information (requires -m or -M) 2400fa9e4066Sahrens * 2401fa9e4066Sahrens * Print out a summarized list of vdevs for the given spa_t. 2402c5904d13Seschrock * This is accomplished by invoking "::vdev -re" on the root vdev, as well as 2403c5904d13Seschrock * iterating over the cache devices. 2404fa9e4066Sahrens */ 2405fa9e4066Sahrens /* ARGSUSED */ 2406fa9e4066Sahrens static int 2407fa9e4066Sahrens spa_vdevs(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 2408fa9e4066Sahrens { 2409c5904d13Seschrock mdb_arg_t v[3]; 2410ec9f632eSEric Schrock int ret; 24112e4c9986SGeorge Wilson char opts[100] = "-r"; 24122e4c9986SGeorge Wilson int spa_flags = 0; 2413fa9e4066Sahrens 2414fa9e4066Sahrens if (mdb_getopts(argc, argv, 24152e4c9986SGeorge Wilson 'e', MDB_OPT_SETBITS, SPA_FLAG_ERRORS, &spa_flags, 24162e4c9986SGeorge Wilson 'm', MDB_OPT_SETBITS, SPA_FLAG_METASLABS, &spa_flags, 24172e4c9986SGeorge Wilson 'M', MDB_OPT_SETBITS, SPA_FLAG_METASLAB_GROUPS, &spa_flags, 24182e4c9986SGeorge Wilson 'h', MDB_OPT_SETBITS, SPA_FLAG_HISTOGRAMS, &spa_flags, 2419fa9e4066Sahrens NULL) != argc) 2420fa9e4066Sahrens return (DCMD_USAGE); 2421fa9e4066Sahrens 2422fa9e4066Sahrens if (!(flags & DCMD_ADDRSPEC)) 2423fa9e4066Sahrens return (DCMD_USAGE); 2424fa9e4066Sahrens 242522ce0148SMatthew Ahrens mdb_spa_vdevs_t spa; 242622ce0148SMatthew Ahrens if (mdb_ctf_vread(&spa, "spa_t", "mdb_spa_vdevs_t", addr, 0) == -1) 2427fa9e4066Sahrens return (DCMD_ERR); 2428fa9e4066Sahrens 2429088e9d47Seschrock /* 2430088e9d47Seschrock * Unitialized spa_t structures can have a NULL root vdev. 2431088e9d47Seschrock */ 2432892ad162SToomas Soome if (spa.spa_root_vdev == 0) { 2433088e9d47Seschrock mdb_printf("no associated vdevs\n"); 2434088e9d47Seschrock return (DCMD_OK); 2435088e9d47Seschrock } 2436088e9d47Seschrock 24372e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_ERRORS) 24382e4c9986SGeorge Wilson strcat(opts, "e"); 24392e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_METASLABS) 24402e4c9986SGeorge Wilson strcat(opts, "m"); 24412e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_METASLAB_GROUPS) 24422e4c9986SGeorge Wilson strcat(opts, "M"); 24432e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_HISTOGRAMS) 24442e4c9986SGeorge Wilson strcat(opts, "h"); 24452e4c9986SGeorge Wilson 2446c5904d13Seschrock v[0].a_type = MDB_TYPE_STRING; 24472e4c9986SGeorge Wilson v[0].a_un.a_str = opts; 2448fa9e4066Sahrens 2449c5904d13Seschrock ret = mdb_call_dcmd("vdev", (uintptr_t)spa.spa_root_vdev, 2450c5904d13Seschrock flags, 1, v); 2451c5904d13Seschrock if (ret != DCMD_OK) 2452c5904d13Seschrock return (ret); 2453c5904d13Seschrock 2454ec9f632eSEric Schrock if (spa_print_aux(&spa.spa_l2cache, flags, v, "cache") != 0 || 2455ec9f632eSEric Schrock spa_print_aux(&spa.spa_spares, flags, v, "spares") != 0) 2456ec9f632eSEric Schrock return (DCMD_ERR); 2457c5904d13Seschrock 2458c5904d13Seschrock return (DCMD_OK); 2459fa9e4066Sahrens } 2460fa9e4066Sahrens 2461ccae0b50Seschrock /* 2462ccae0b50Seschrock * ::zio 2463ccae0b50Seschrock * 2464ccae0b50Seschrock * Print a summary of zio_t and all its children. This is intended to display a 2465ccae0b50Seschrock * zio tree, and hence we only pick the most important pieces of information for 2466ccae0b50Seschrock * the main summary. More detailed information can always be found by doing a 2467ccae0b50Seschrock * '::print zio' on the underlying zio_t. The columns we display are: 2468ccae0b50Seschrock * 2469c55e05cbSMatthew Ahrens * ADDRESS TYPE STAGE WAITER TIME_ELAPSED 2470ccae0b50Seschrock * 2471ccae0b50Seschrock * The 'address' column is indented by one space for each depth level as we 2472ccae0b50Seschrock * descend down the tree. 2473ccae0b50Seschrock */ 2474fac3008cSeschrock 2475c55e05cbSMatthew Ahrens #define ZIO_MAXINDENT 7 2476a3f829aeSBill Moore #define ZIO_MAXWIDTH (sizeof (uintptr_t) * 2 + ZIO_MAXINDENT) 2477a3f829aeSBill Moore #define ZIO_WALK_SELF 0 2478a3f829aeSBill Moore #define ZIO_WALK_CHILD 1 2479a3f829aeSBill Moore #define ZIO_WALK_PARENT 2 2480a3f829aeSBill Moore 2481a3f829aeSBill Moore typedef struct zio_print_args { 2482a3f829aeSBill Moore int zpa_current_depth; 2483a3f829aeSBill Moore int zpa_min_depth; 2484a3f829aeSBill Moore int zpa_max_depth; 2485a3f829aeSBill Moore int zpa_type; 2486a3f829aeSBill Moore uint_t zpa_flags; 2487a3f829aeSBill Moore } zio_print_args_t; 2488a3f829aeSBill Moore 248928e4da25SMatthew Ahrens typedef struct mdb_zio { 249028e4da25SMatthew Ahrens enum zio_type io_type; 249128e4da25SMatthew Ahrens enum zio_stage io_stage; 2492d5ee8a13SMatthew Ahrens uintptr_t io_waiter; 2493d5ee8a13SMatthew Ahrens uintptr_t io_spa; 249428e4da25SMatthew Ahrens struct { 249528e4da25SMatthew Ahrens struct { 2496d5ee8a13SMatthew Ahrens uintptr_t list_next; 249728e4da25SMatthew Ahrens } list_head; 249828e4da25SMatthew Ahrens } io_parent_list; 249928e4da25SMatthew Ahrens int io_error; 250028e4da25SMatthew Ahrens } mdb_zio_t; 250128e4da25SMatthew Ahrens 2502c55e05cbSMatthew Ahrens typedef struct mdb_zio_timestamp { 2503c55e05cbSMatthew Ahrens hrtime_t io_timestamp; 2504c55e05cbSMatthew Ahrens } mdb_zio_timestamp_t; 2505c55e05cbSMatthew Ahrens 2506a3f829aeSBill Moore static int zio_child_cb(uintptr_t addr, const void *unknown, void *arg); 2507fac3008cSeschrock 2508ccae0b50Seschrock static int 2509c55e05cbSMatthew Ahrens zio_print_cb(uintptr_t addr, zio_print_args_t *zpa) 2510ccae0b50Seschrock { 2511ccae0b50Seschrock mdb_ctf_id_t type_enum, stage_enum; 2512a3f829aeSBill Moore int indent = zpa->zpa_current_depth; 2513ccae0b50Seschrock const char *type, *stage; 2514a3f829aeSBill Moore uintptr_t laddr; 2515c55e05cbSMatthew Ahrens mdb_zio_t zio; 2516c55e05cbSMatthew Ahrens mdb_zio_timestamp_t zio_timestamp = { 0 }; 2517c55e05cbSMatthew Ahrens 2518c55e05cbSMatthew Ahrens if (mdb_ctf_vread(&zio, ZFS_STRUCT "zio", "mdb_zio_t", addr, 0) == -1) 2519c55e05cbSMatthew Ahrens return (WALK_ERR); 2520c55e05cbSMatthew Ahrens (void) mdb_ctf_vread(&zio_timestamp, ZFS_STRUCT "zio", 2521c55e05cbSMatthew Ahrens "mdb_zio_timestamp_t", addr, MDB_CTF_VREAD_QUIET); 2522ccae0b50Seschrock 2523a3f829aeSBill Moore if (indent > ZIO_MAXINDENT) 2524a3f829aeSBill Moore indent = ZIO_MAXINDENT; 2525ccae0b50Seschrock 2526ccae0b50Seschrock if (mdb_ctf_lookup_by_name("enum zio_type", &type_enum) == -1 || 2527ccae0b50Seschrock mdb_ctf_lookup_by_name("enum zio_stage", &stage_enum) == -1) { 2528ccae0b50Seschrock mdb_warn("failed to lookup zio enums"); 2529ccae0b50Seschrock return (WALK_ERR); 2530ccae0b50Seschrock } 2531ccae0b50Seschrock 2532c55e05cbSMatthew Ahrens if ((type = mdb_ctf_enum_name(type_enum, zio.io_type)) != NULL) 2533ccae0b50Seschrock type += sizeof ("ZIO_TYPE_") - 1; 2534ccae0b50Seschrock else 2535ccae0b50Seschrock type = "?"; 2536ccae0b50Seschrock 2537c55e05cbSMatthew Ahrens if (zio.io_error == 0) { 2538c55e05cbSMatthew Ahrens stage = mdb_ctf_enum_name(stage_enum, zio.io_stage); 253928e4da25SMatthew Ahrens if (stage != NULL) 254028e4da25SMatthew Ahrens stage += sizeof ("ZIO_STAGE_") - 1; 254128e4da25SMatthew Ahrens else 254228e4da25SMatthew Ahrens stage = "?"; 254328e4da25SMatthew Ahrens } else { 254428e4da25SMatthew Ahrens stage = "FAILED"; 254528e4da25SMatthew Ahrens } 2546ccae0b50Seschrock 2547a3f829aeSBill Moore if (zpa->zpa_current_depth >= zpa->zpa_min_depth) { 2548a3f829aeSBill Moore if (zpa->zpa_flags & DCMD_PIPE_OUT) { 2549a3f829aeSBill Moore mdb_printf("%?p\n", addr); 2550a3f829aeSBill Moore } else { 2551a3f829aeSBill Moore mdb_printf("%*s%-*p %-5s %-16s ", indent, "", 2552a3f829aeSBill Moore ZIO_MAXWIDTH - indent, addr, type, stage); 2553d5ee8a13SMatthew Ahrens if (zio.io_waiter != 0) 2554d5ee8a13SMatthew Ahrens mdb_printf("%-16lx ", zio.io_waiter); 2555a3f829aeSBill Moore else 2556c55e05cbSMatthew Ahrens mdb_printf("%-16s ", "-"); 2557c55e05cbSMatthew Ahrens #ifdef _KERNEL 2558c55e05cbSMatthew Ahrens if (zio_timestamp.io_timestamp != 0) { 2559c55e05cbSMatthew Ahrens mdb_printf("%llums", (mdb_gethrtime() - 2560c55e05cbSMatthew Ahrens zio_timestamp.io_timestamp) / 2561c55e05cbSMatthew Ahrens 1000000); 2562c55e05cbSMatthew Ahrens } else { 2563c55e05cbSMatthew Ahrens mdb_printf("%-12s ", "-"); 2564c55e05cbSMatthew Ahrens } 2565c55e05cbSMatthew Ahrens #else 2566c55e05cbSMatthew Ahrens mdb_printf("%-12s ", "-"); 2567c55e05cbSMatthew Ahrens #endif 2568c55e05cbSMatthew Ahrens mdb_printf("\n"); 2569a3f829aeSBill Moore } 2570a3f829aeSBill Moore } 2571a3f829aeSBill Moore 2572a3f829aeSBill Moore if (zpa->zpa_current_depth >= zpa->zpa_max_depth) 2573a3f829aeSBill Moore return (WALK_NEXT); 2574ccae0b50Seschrock 2575a3f829aeSBill Moore if (zpa->zpa_type == ZIO_WALK_PARENT) 257628e4da25SMatthew Ahrens laddr = addr + mdb_ctf_offsetof_by_name(ZFS_STRUCT "zio", 257728e4da25SMatthew Ahrens "io_parent_list"); 2578ccae0b50Seschrock else 257928e4da25SMatthew Ahrens laddr = addr + mdb_ctf_offsetof_by_name(ZFS_STRUCT "zio", 258028e4da25SMatthew Ahrens "io_child_list"); 2581ccae0b50Seschrock 2582a3f829aeSBill Moore zpa->zpa_current_depth++; 2583a3f829aeSBill Moore if (mdb_pwalk("list", zio_child_cb, zpa, laddr) != 0) { 2584a3f829aeSBill Moore mdb_warn("failed to walk zio_t children at %p\n", laddr); 2585ccae0b50Seschrock return (WALK_ERR); 2586ccae0b50Seschrock } 2587a3f829aeSBill Moore zpa->zpa_current_depth--; 2588ccae0b50Seschrock 2589ccae0b50Seschrock return (WALK_NEXT); 2590ccae0b50Seschrock } 2591ccae0b50Seschrock 2592a3f829aeSBill Moore /* ARGSUSED */ 2593ccae0b50Seschrock static int 2594a3f829aeSBill Moore zio_child_cb(uintptr_t addr, const void *unknown, void *arg) 2595ccae0b50Seschrock { 2596a3f829aeSBill Moore zio_link_t zl; 2597a3f829aeSBill Moore uintptr_t ziop; 2598a3f829aeSBill Moore zio_print_args_t *zpa = arg; 2599a3f829aeSBill Moore 2600a3f829aeSBill Moore if (mdb_vread(&zl, sizeof (zl), addr) == -1) { 2601a3f829aeSBill Moore mdb_warn("failed to read zio_link_t at %p", addr); 2602a3f829aeSBill Moore return (WALK_ERR); 2603a3f829aeSBill Moore } 2604a3f829aeSBill Moore 2605a3f829aeSBill Moore if (zpa->zpa_type == ZIO_WALK_PARENT) 2606a3f829aeSBill Moore ziop = (uintptr_t)zl.zl_parent; 2607a3f829aeSBill Moore else 2608a3f829aeSBill Moore ziop = (uintptr_t)zl.zl_child; 2609a3f829aeSBill Moore 261069962b56SMatthew Ahrens return (zio_print_cb(ziop, zpa)); 2611a3f829aeSBill Moore } 2612a3f829aeSBill Moore 2613a3f829aeSBill Moore /* ARGSUSED */ 2614a3f829aeSBill Moore static int 2615a3f829aeSBill Moore zio_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 2616a3f829aeSBill Moore { 2617a3f829aeSBill Moore zio_print_args_t zpa = { 0 }; 2618ccae0b50Seschrock 2619ccae0b50Seschrock if (!(flags & DCMD_ADDRSPEC)) 2620ccae0b50Seschrock return (DCMD_USAGE); 2621ccae0b50Seschrock 2622a3f829aeSBill Moore if (mdb_getopts(argc, argv, 2623a3f829aeSBill Moore 'r', MDB_OPT_SETBITS, INT_MAX, &zpa.zpa_max_depth, 2624a3f829aeSBill Moore 'c', MDB_OPT_SETBITS, ZIO_WALK_CHILD, &zpa.zpa_type, 2625a3f829aeSBill Moore 'p', MDB_OPT_SETBITS, ZIO_WALK_PARENT, &zpa.zpa_type, 2626a3f829aeSBill Moore NULL) != argc) 2627a3f829aeSBill Moore return (DCMD_USAGE); 2628a3f829aeSBill Moore 2629a3f829aeSBill Moore zpa.zpa_flags = flags; 2630a3f829aeSBill Moore if (zpa.zpa_max_depth != 0) { 2631a3f829aeSBill Moore if (zpa.zpa_type == ZIO_WALK_SELF) 2632a3f829aeSBill Moore zpa.zpa_type = ZIO_WALK_CHILD; 2633a3f829aeSBill Moore } else if (zpa.zpa_type != ZIO_WALK_SELF) { 2634a3f829aeSBill Moore zpa.zpa_min_depth = 1; 2635a3f829aeSBill Moore zpa.zpa_max_depth = 1; 2636a3f829aeSBill Moore } 2637a3f829aeSBill Moore 2638c55e05cbSMatthew Ahrens if (!(flags & DCMD_PIPE_OUT) && DCMD_HDRSPEC(flags)) { 2639c55e05cbSMatthew Ahrens mdb_printf("%<u>%-*s %-5s %-16s %-16s %-12s%</u>\n", 2640c55e05cbSMatthew Ahrens ZIO_MAXWIDTH, "ADDRESS", "TYPE", "STAGE", "WAITER", 2641c55e05cbSMatthew Ahrens "TIME_ELAPSED"); 2642c55e05cbSMatthew Ahrens } 2643fac3008cSeschrock 2644c55e05cbSMatthew Ahrens if (zio_print_cb(addr, &zpa) != WALK_NEXT) 2645ccae0b50Seschrock return (DCMD_ERR); 2646ccae0b50Seschrock 2647ccae0b50Seschrock return (DCMD_OK); 2648ccae0b50Seschrock } 2649ccae0b50Seschrock 2650ccae0b50Seschrock /* 2651ccae0b50Seschrock * [addr]::zio_state 2652ccae0b50Seschrock * 2653ccae0b50Seschrock * Print a summary of all zio_t structures on the system, or for a particular 2654ccae0b50Seschrock * pool. This is equivalent to '::walk zio_root | ::zio'. 2655ccae0b50Seschrock */ 2656ccae0b50Seschrock /*ARGSUSED*/ 2657ccae0b50Seschrock static int 2658ccae0b50Seschrock zio_state(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 2659ccae0b50Seschrock { 2660ccae0b50Seschrock /* 2661ccae0b50Seschrock * MDB will remember the last address of the pipeline, so if we don't 2662ccae0b50Seschrock * zero this we'll end up trying to walk zio structures for a 2663ccae0b50Seschrock * non-existent spa_t. 2664ccae0b50Seschrock */ 2665ccae0b50Seschrock if (!(flags & DCMD_ADDRSPEC)) 2666ccae0b50Seschrock addr = 0; 2667ccae0b50Seschrock 2668ccae0b50Seschrock return (mdb_pwalk_dcmd("zio_root", "zio", argc, argv, addr)); 2669ccae0b50Seschrock } 2670ccae0b50Seschrock 2671*4d7988d6SPaul Dagnelie 2672*4d7988d6SPaul Dagnelie typedef struct mdb_zfs_btree_hdr { 2673*4d7988d6SPaul Dagnelie uintptr_t bth_parent; 2674*4d7988d6SPaul Dagnelie boolean_t bth_core; 2675*4d7988d6SPaul Dagnelie /* 2676*4d7988d6SPaul Dagnelie * For both leaf and core nodes, represents the number of elements in 2677*4d7988d6SPaul Dagnelie * the node. For core nodes, they will have bth_count + 1 children. 2678*4d7988d6SPaul Dagnelie */ 2679*4d7988d6SPaul Dagnelie uint32_t bth_count; 2680*4d7988d6SPaul Dagnelie } mdb_zfs_btree_hdr_t; 2681*4d7988d6SPaul Dagnelie 2682*4d7988d6SPaul Dagnelie typedef struct mdb_zfs_btree_core { 2683*4d7988d6SPaul Dagnelie mdb_zfs_btree_hdr_t btc_hdr; 2684*4d7988d6SPaul Dagnelie uintptr_t btc_children[BTREE_CORE_ELEMS + 1]; 2685*4d7988d6SPaul Dagnelie uint8_t btc_elems[]; 2686*4d7988d6SPaul Dagnelie } mdb_zfs_btree_core_t; 2687*4d7988d6SPaul Dagnelie 2688*4d7988d6SPaul Dagnelie typedef struct mdb_zfs_btree_leaf { 2689*4d7988d6SPaul Dagnelie mdb_zfs_btree_hdr_t btl_hdr; 2690*4d7988d6SPaul Dagnelie uint8_t btl_elems[]; 2691*4d7988d6SPaul Dagnelie } mdb_zfs_btree_leaf_t; 2692*4d7988d6SPaul Dagnelie 2693*4d7988d6SPaul Dagnelie typedef struct mdb_zfs_btree { 2694*4d7988d6SPaul Dagnelie uintptr_t bt_root; 2695*4d7988d6SPaul Dagnelie size_t bt_elem_size; 2696*4d7988d6SPaul Dagnelie } mdb_zfs_btree_t; 2697*4d7988d6SPaul Dagnelie 2698*4d7988d6SPaul Dagnelie typedef struct btree_walk_data { 2699*4d7988d6SPaul Dagnelie mdb_zfs_btree_t bwd_btree; 2700*4d7988d6SPaul Dagnelie mdb_zfs_btree_hdr_t *bwd_node; 2701*4d7988d6SPaul Dagnelie uint64_t bwd_offset; // In units of bt_node_size 2702*4d7988d6SPaul Dagnelie } btree_walk_data_t; 2703*4d7988d6SPaul Dagnelie 2704*4d7988d6SPaul Dagnelie static uintptr_t 2705*4d7988d6SPaul Dagnelie btree_leftmost_child(uintptr_t addr, mdb_zfs_btree_hdr_t *buf) 2706*4d7988d6SPaul Dagnelie { 2707*4d7988d6SPaul Dagnelie size_t size = offsetof(zfs_btree_core_t, btc_children) + 2708*4d7988d6SPaul Dagnelie sizeof (uintptr_t); 2709*4d7988d6SPaul Dagnelie for (;;) { 2710*4d7988d6SPaul Dagnelie if (mdb_vread(buf, size, addr) == -1) { 2711*4d7988d6SPaul Dagnelie mdb_warn("failed to read at %p\n", addr); 2712*4d7988d6SPaul Dagnelie return ((uintptr_t)0ULL); 2713*4d7988d6SPaul Dagnelie } 2714*4d7988d6SPaul Dagnelie if (!buf->bth_core) 2715*4d7988d6SPaul Dagnelie return (addr); 2716*4d7988d6SPaul Dagnelie mdb_zfs_btree_core_t *node = (mdb_zfs_btree_core_t *)buf; 2717*4d7988d6SPaul Dagnelie addr = node->btc_children[0]; 2718*4d7988d6SPaul Dagnelie } 2719*4d7988d6SPaul Dagnelie } 2720*4d7988d6SPaul Dagnelie 2721*4d7988d6SPaul Dagnelie static int 2722*4d7988d6SPaul Dagnelie btree_walk_step(mdb_walk_state_t *wsp) 2723*4d7988d6SPaul Dagnelie { 2724*4d7988d6SPaul Dagnelie btree_walk_data_t *bwd = wsp->walk_data; 2725*4d7988d6SPaul Dagnelie size_t elem_size = bwd->bwd_btree.bt_elem_size; 2726*4d7988d6SPaul Dagnelie if (wsp->walk_addr == 0ULL) 2727*4d7988d6SPaul Dagnelie return (WALK_DONE); 2728*4d7988d6SPaul Dagnelie 2729*4d7988d6SPaul Dagnelie if (!bwd->bwd_node->bth_core) { 2730*4d7988d6SPaul Dagnelie /* 2731*4d7988d6SPaul Dagnelie * For the first element in a leaf node, read in the full 2732*4d7988d6SPaul Dagnelie * leaf, since we only had part of it read in before. 2733*4d7988d6SPaul Dagnelie */ 2734*4d7988d6SPaul Dagnelie if (bwd->bwd_offset == 0) { 2735*4d7988d6SPaul Dagnelie if (mdb_vread(bwd->bwd_node, BTREE_LEAF_SIZE, 2736*4d7988d6SPaul Dagnelie wsp->walk_addr) == -1) { 2737*4d7988d6SPaul Dagnelie mdb_warn("failed to read at %p\n", 2738*4d7988d6SPaul Dagnelie wsp->walk_addr); 2739*4d7988d6SPaul Dagnelie return (WALK_ERR); 2740*4d7988d6SPaul Dagnelie } 2741*4d7988d6SPaul Dagnelie } 2742*4d7988d6SPaul Dagnelie 2743*4d7988d6SPaul Dagnelie int status = wsp->walk_callback((uintptr_t)(wsp->walk_addr + 2744*4d7988d6SPaul Dagnelie offsetof(mdb_zfs_btree_leaf_t, btl_elems) + 2745*4d7988d6SPaul Dagnelie bwd->bwd_offset * elem_size), bwd->bwd_node, 2746*4d7988d6SPaul Dagnelie wsp->walk_cbdata); 2747*4d7988d6SPaul Dagnelie if (status != WALK_NEXT) 2748*4d7988d6SPaul Dagnelie return (status); 2749*4d7988d6SPaul Dagnelie bwd->bwd_offset++; 2750*4d7988d6SPaul Dagnelie 2751*4d7988d6SPaul Dagnelie /* Find the next element, if we're at the end of the leaf. */ 2752*4d7988d6SPaul Dagnelie while (bwd->bwd_offset == bwd->bwd_node->bth_count) { 2753*4d7988d6SPaul Dagnelie uintptr_t par = bwd->bwd_node->bth_parent; 2754*4d7988d6SPaul Dagnelie uintptr_t cur = wsp->walk_addr; 2755*4d7988d6SPaul Dagnelie wsp->walk_addr = par; 2756*4d7988d6SPaul Dagnelie if (par == 0ULL) 2757*4d7988d6SPaul Dagnelie return (WALK_NEXT); 2758*4d7988d6SPaul Dagnelie 2759*4d7988d6SPaul Dagnelie size_t size = sizeof (zfs_btree_core_t) + 2760*4d7988d6SPaul Dagnelie BTREE_CORE_ELEMS * elem_size; 2761*4d7988d6SPaul Dagnelie if (mdb_vread(bwd->bwd_node, size, wsp->walk_addr) == 2762*4d7988d6SPaul Dagnelie -1) { 2763*4d7988d6SPaul Dagnelie mdb_warn("failed to read at %p\n", 2764*4d7988d6SPaul Dagnelie wsp->walk_addr); 2765*4d7988d6SPaul Dagnelie return (WALK_ERR); 2766*4d7988d6SPaul Dagnelie } 2767*4d7988d6SPaul Dagnelie mdb_zfs_btree_core_t *node = 2768*4d7988d6SPaul Dagnelie (mdb_zfs_btree_core_t *)bwd->bwd_node; 2769*4d7988d6SPaul Dagnelie int i; 2770*4d7988d6SPaul Dagnelie for (i = 0; i <= bwd->bwd_node->bth_count; i++) { 2771*4d7988d6SPaul Dagnelie if (node->btc_children[i] == cur) 2772*4d7988d6SPaul Dagnelie break; 2773*4d7988d6SPaul Dagnelie } 2774*4d7988d6SPaul Dagnelie if (i > bwd->bwd_node->bth_count) { 2775*4d7988d6SPaul Dagnelie mdb_warn("btree parent/child mismatch at " 2776*4d7988d6SPaul Dagnelie "%#lx\n", cur); 2777*4d7988d6SPaul Dagnelie return (WALK_ERR); 2778*4d7988d6SPaul Dagnelie } 2779*4d7988d6SPaul Dagnelie bwd->bwd_offset = i; 2780*4d7988d6SPaul Dagnelie } 2781*4d7988d6SPaul Dagnelie return (WALK_NEXT); 2782*4d7988d6SPaul Dagnelie } 2783*4d7988d6SPaul Dagnelie 2784*4d7988d6SPaul Dagnelie if (!bwd->bwd_node->bth_core) { 2785*4d7988d6SPaul Dagnelie mdb_warn("Invalid btree node at %#lx\n", wsp->walk_addr); 2786*4d7988d6SPaul Dagnelie return (WALK_ERR); 2787*4d7988d6SPaul Dagnelie } 2788*4d7988d6SPaul Dagnelie mdb_zfs_btree_core_t *node = (mdb_zfs_btree_core_t *)bwd->bwd_node; 2789*4d7988d6SPaul Dagnelie int status = wsp->walk_callback((uintptr_t)(wsp->walk_addr + 2790*4d7988d6SPaul Dagnelie offsetof(mdb_zfs_btree_core_t, btc_elems) + bwd->bwd_offset * 2791*4d7988d6SPaul Dagnelie elem_size), bwd->bwd_node, wsp->walk_cbdata); 2792*4d7988d6SPaul Dagnelie if (status != WALK_NEXT) 2793*4d7988d6SPaul Dagnelie return (status); 2794*4d7988d6SPaul Dagnelie 2795*4d7988d6SPaul Dagnelie uintptr_t new_child = node->btc_children[bwd->bwd_offset + 1]; 2796*4d7988d6SPaul Dagnelie wsp->walk_addr = btree_leftmost_child(new_child, bwd->bwd_node); 2797*4d7988d6SPaul Dagnelie if (wsp->walk_addr == 0ULL) 2798*4d7988d6SPaul Dagnelie return (WALK_ERR); 2799*4d7988d6SPaul Dagnelie 2800*4d7988d6SPaul Dagnelie bwd->bwd_offset = 0; 2801*4d7988d6SPaul Dagnelie return (WALK_NEXT); 2802*4d7988d6SPaul Dagnelie } 2803*4d7988d6SPaul Dagnelie 2804*4d7988d6SPaul Dagnelie static int 2805*4d7988d6SPaul Dagnelie btree_walk_init(mdb_walk_state_t *wsp) 2806*4d7988d6SPaul Dagnelie { 2807*4d7988d6SPaul Dagnelie btree_walk_data_t *bwd; 2808*4d7988d6SPaul Dagnelie 2809*4d7988d6SPaul Dagnelie if (wsp->walk_addr == 0ULL) { 2810*4d7988d6SPaul Dagnelie mdb_warn("must supply address of zfs_btree_t\n"); 2811*4d7988d6SPaul Dagnelie return (WALK_ERR); 2812*4d7988d6SPaul Dagnelie } 2813*4d7988d6SPaul Dagnelie 2814*4d7988d6SPaul Dagnelie bwd = mdb_zalloc(sizeof (btree_walk_data_t), UM_SLEEP); 2815*4d7988d6SPaul Dagnelie if (mdb_ctf_vread(&bwd->bwd_btree, "zfs_btree_t", "mdb_zfs_btree_t", 2816*4d7988d6SPaul Dagnelie wsp->walk_addr, 0) == -1) { 2817*4d7988d6SPaul Dagnelie mdb_free(bwd, sizeof (*bwd)); 2818*4d7988d6SPaul Dagnelie return (WALK_ERR); 2819*4d7988d6SPaul Dagnelie } 2820*4d7988d6SPaul Dagnelie 2821*4d7988d6SPaul Dagnelie if (bwd->bwd_btree.bt_elem_size == 0) { 2822*4d7988d6SPaul Dagnelie mdb_warn("invalid or uninitialized btree at %#lx\n", 2823*4d7988d6SPaul Dagnelie wsp->walk_addr); 2824*4d7988d6SPaul Dagnelie mdb_free(bwd, sizeof (*bwd)); 2825*4d7988d6SPaul Dagnelie return (WALK_ERR); 2826*4d7988d6SPaul Dagnelie } 2827*4d7988d6SPaul Dagnelie 2828*4d7988d6SPaul Dagnelie size_t size = MAX(BTREE_LEAF_SIZE, sizeof (zfs_btree_core_t) + 2829*4d7988d6SPaul Dagnelie BTREE_CORE_ELEMS * bwd->bwd_btree.bt_elem_size); 2830*4d7988d6SPaul Dagnelie bwd->bwd_node = mdb_zalloc(size, UM_SLEEP); 2831*4d7988d6SPaul Dagnelie 2832*4d7988d6SPaul Dagnelie uintptr_t node = (uintptr_t)bwd->bwd_btree.bt_root; 2833*4d7988d6SPaul Dagnelie if (node == 0ULL) { 2834*4d7988d6SPaul Dagnelie wsp->walk_addr = 0ULL; 2835*4d7988d6SPaul Dagnelie wsp->walk_data = bwd; 2836*4d7988d6SPaul Dagnelie return (WALK_NEXT); 2837*4d7988d6SPaul Dagnelie } 2838*4d7988d6SPaul Dagnelie node = btree_leftmost_child(node, bwd->bwd_node); 2839*4d7988d6SPaul Dagnelie if (node == 0ULL) { 2840*4d7988d6SPaul Dagnelie mdb_free(bwd->bwd_node, size); 2841*4d7988d6SPaul Dagnelie mdb_free(bwd, sizeof (*bwd)); 2842*4d7988d6SPaul Dagnelie return (WALK_ERR); 2843*4d7988d6SPaul Dagnelie } 2844*4d7988d6SPaul Dagnelie bwd->bwd_offset = 0; 2845*4d7988d6SPaul Dagnelie 2846*4d7988d6SPaul Dagnelie wsp->walk_addr = node; 2847*4d7988d6SPaul Dagnelie wsp->walk_data = bwd; 2848*4d7988d6SPaul Dagnelie return (WALK_NEXT); 2849*4d7988d6SPaul Dagnelie } 2850*4d7988d6SPaul Dagnelie 2851*4d7988d6SPaul Dagnelie static void 2852*4d7988d6SPaul Dagnelie btree_walk_fini(mdb_walk_state_t *wsp) 2853*4d7988d6SPaul Dagnelie { 2854*4d7988d6SPaul Dagnelie btree_walk_data_t *bwd = (btree_walk_data_t *)wsp->walk_data; 2855*4d7988d6SPaul Dagnelie 2856*4d7988d6SPaul Dagnelie if (bwd == NULL) 2857*4d7988d6SPaul Dagnelie return; 2858*4d7988d6SPaul Dagnelie 2859*4d7988d6SPaul Dagnelie size_t size = MAX(BTREE_LEAF_SIZE, sizeof (zfs_btree_core_t) + 2860*4d7988d6SPaul Dagnelie BTREE_CORE_ELEMS * bwd->bwd_btree.bt_elem_size); 2861*4d7988d6SPaul Dagnelie if (bwd->bwd_node != NULL) 2862*4d7988d6SPaul Dagnelie mdb_free(bwd->bwd_node, size); 2863*4d7988d6SPaul Dagnelie 2864*4d7988d6SPaul Dagnelie mdb_free(bwd, sizeof (*bwd)); 2865*4d7988d6SPaul Dagnelie } 2866*4d7988d6SPaul Dagnelie 2867dcbf3bd6SGeorge Wilson typedef struct mdb_multilist { 2868dcbf3bd6SGeorge Wilson uint64_t ml_num_sublists; 2869dcbf3bd6SGeorge Wilson uintptr_t ml_sublists; 2870dcbf3bd6SGeorge Wilson } mdb_multilist_t; 2871dcbf3bd6SGeorge Wilson 2872dcbf3bd6SGeorge Wilson typedef struct multilist_walk_data { 2873dcbf3bd6SGeorge Wilson uint64_t mwd_idx; 2874dcbf3bd6SGeorge Wilson mdb_multilist_t mwd_ml; 2875dcbf3bd6SGeorge Wilson } multilist_walk_data_t; 2876dcbf3bd6SGeorge Wilson 2877dcbf3bd6SGeorge Wilson /* ARGSUSED */ 2878dcbf3bd6SGeorge Wilson static int 2879dcbf3bd6SGeorge Wilson multilist_print_cb(uintptr_t addr, const void *unknown, void *arg) 2880dcbf3bd6SGeorge Wilson { 2881dcbf3bd6SGeorge Wilson mdb_printf("%#lr\n", addr); 2882dcbf3bd6SGeorge Wilson return (WALK_NEXT); 2883dcbf3bd6SGeorge Wilson } 2884dcbf3bd6SGeorge Wilson 2885dcbf3bd6SGeorge Wilson static int 2886dcbf3bd6SGeorge Wilson multilist_walk_step(mdb_walk_state_t *wsp) 2887dcbf3bd6SGeorge Wilson { 2888dcbf3bd6SGeorge Wilson multilist_walk_data_t *mwd = wsp->walk_data; 2889dcbf3bd6SGeorge Wilson 2890dcbf3bd6SGeorge Wilson if (mwd->mwd_idx >= mwd->mwd_ml.ml_num_sublists) 2891dcbf3bd6SGeorge Wilson return (WALK_DONE); 2892dcbf3bd6SGeorge Wilson 2893dcbf3bd6SGeorge Wilson wsp->walk_addr = mwd->mwd_ml.ml_sublists + 2894dcbf3bd6SGeorge Wilson mdb_ctf_sizeof_by_name("multilist_sublist_t") * mwd->mwd_idx + 2895dcbf3bd6SGeorge Wilson mdb_ctf_offsetof_by_name("multilist_sublist_t", "mls_list"); 2896dcbf3bd6SGeorge Wilson 2897dcbf3bd6SGeorge Wilson mdb_pwalk("list", multilist_print_cb, (void*)NULL, wsp->walk_addr); 2898dcbf3bd6SGeorge Wilson mwd->mwd_idx++; 2899dcbf3bd6SGeorge Wilson 2900dcbf3bd6SGeorge Wilson return (WALK_NEXT); 2901dcbf3bd6SGeorge Wilson } 2902dcbf3bd6SGeorge Wilson 2903dcbf3bd6SGeorge Wilson static int 2904dcbf3bd6SGeorge Wilson multilist_walk_init(mdb_walk_state_t *wsp) 2905dcbf3bd6SGeorge Wilson { 2906dcbf3bd6SGeorge Wilson multilist_walk_data_t *mwd; 2907dcbf3bd6SGeorge Wilson 2908892ad162SToomas Soome if (wsp->walk_addr == 0) { 2909dcbf3bd6SGeorge Wilson mdb_warn("must supply address of multilist_t\n"); 2910dcbf3bd6SGeorge Wilson return (WALK_ERR); 2911dcbf3bd6SGeorge Wilson } 2912dcbf3bd6SGeorge Wilson 2913dcbf3bd6SGeorge Wilson mwd = mdb_zalloc(sizeof (multilist_walk_data_t), UM_SLEEP | UM_GC); 2914dcbf3bd6SGeorge Wilson if (mdb_ctf_vread(&mwd->mwd_ml, "multilist_t", "mdb_multilist_t", 2915dcbf3bd6SGeorge Wilson wsp->walk_addr, 0) == -1) { 2916dcbf3bd6SGeorge Wilson return (WALK_ERR); 2917dcbf3bd6SGeorge Wilson } 2918dcbf3bd6SGeorge Wilson 2919dcbf3bd6SGeorge Wilson if (mwd->mwd_ml.ml_num_sublists == 0 || 2920892ad162SToomas Soome mwd->mwd_ml.ml_sublists == 0) { 2921dcbf3bd6SGeorge Wilson mdb_warn("invalid or uninitialized multilist at %#lx\n", 2922dcbf3bd6SGeorge Wilson wsp->walk_addr); 2923dcbf3bd6SGeorge Wilson return (WALK_ERR); 2924dcbf3bd6SGeorge Wilson } 2925dcbf3bd6SGeorge Wilson 2926dcbf3bd6SGeorge Wilson wsp->walk_data = mwd; 2927dcbf3bd6SGeorge Wilson return (WALK_NEXT); 2928dcbf3bd6SGeorge Wilson } 2929dcbf3bd6SGeorge Wilson 29301393933cSJason King typedef struct mdb_txg_list { 29311393933cSJason King size_t tl_offset; 29321393933cSJason King uintptr_t tl_head[TXG_SIZE]; 29331393933cSJason King } mdb_txg_list_t; 29341393933cSJason King 2935fa9e4066Sahrens typedef struct txg_list_walk_data { 2936fa9e4066Sahrens uintptr_t lw_head[TXG_SIZE]; 2937fa9e4066Sahrens int lw_txgoff; 2938fa9e4066Sahrens int lw_maxoff; 2939fa9e4066Sahrens size_t lw_offset; 2940fa9e4066Sahrens void *lw_obj; 2941fa9e4066Sahrens } txg_list_walk_data_t; 2942fa9e4066Sahrens 2943fa9e4066Sahrens static int 2944fa9e4066Sahrens txg_list_walk_init_common(mdb_walk_state_t *wsp, int txg, int maxoff) 2945fa9e4066Sahrens { 2946fa9e4066Sahrens txg_list_walk_data_t *lwd; 29471393933cSJason King mdb_txg_list_t list; 2948fa9e4066Sahrens int i; 2949fa9e4066Sahrens 2950fa9e4066Sahrens lwd = mdb_alloc(sizeof (txg_list_walk_data_t), UM_SLEEP | UM_GC); 29511393933cSJason King if (mdb_ctf_vread(&list, "txg_list_t", "mdb_txg_list_t", wsp->walk_addr, 29521393933cSJason King 0) == -1) { 2953fa9e4066Sahrens mdb_warn("failed to read txg_list_t at %#lx", wsp->walk_addr); 2954fa9e4066Sahrens return (WALK_ERR); 2955fa9e4066Sahrens } 2956fa9e4066Sahrens 2957fa9e4066Sahrens for (i = 0; i < TXG_SIZE; i++) 29581393933cSJason King lwd->lw_head[i] = list.tl_head[i]; 2959fa9e4066Sahrens lwd->lw_offset = list.tl_offset; 2960fa9e4066Sahrens lwd->lw_obj = mdb_alloc(lwd->lw_offset + sizeof (txg_node_t), 2961fa9e4066Sahrens UM_SLEEP | UM_GC); 2962fa9e4066Sahrens lwd->lw_txgoff = txg; 2963fa9e4066Sahrens lwd->lw_maxoff = maxoff; 2964fa9e4066Sahrens 2965fa9e4066Sahrens wsp->walk_addr = lwd->lw_head[lwd->lw_txgoff]; 2966fa9e4066Sahrens wsp->walk_data = lwd; 2967fa9e4066Sahrens 2968fa9e4066Sahrens return (WALK_NEXT); 2969fa9e4066Sahrens } 2970fa9e4066Sahrens 2971fa9e4066Sahrens static int 2972fa9e4066Sahrens txg_list_walk_init(mdb_walk_state_t *wsp) 2973fa9e4066Sahrens { 2974fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 0, TXG_SIZE-1)); 2975fa9e4066Sahrens } 2976fa9e4066Sahrens 2977fa9e4066Sahrens static int 2978fa9e4066Sahrens txg_list0_walk_init(mdb_walk_state_t *wsp) 2979fa9e4066Sahrens { 2980fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 0, 0)); 2981fa9e4066Sahrens } 2982fa9e4066Sahrens 2983fa9e4066Sahrens static int 2984fa9e4066Sahrens txg_list1_walk_init(mdb_walk_state_t *wsp) 2985fa9e4066Sahrens { 2986fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 1, 1)); 2987fa9e4066Sahrens } 2988fa9e4066Sahrens 2989fa9e4066Sahrens static int 2990fa9e4066Sahrens txg_list2_walk_init(mdb_walk_state_t *wsp) 2991fa9e4066Sahrens { 2992fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 2, 2)); 2993fa9e4066Sahrens } 2994fa9e4066Sahrens 2995fa9e4066Sahrens static int 2996fa9e4066Sahrens txg_list3_walk_init(mdb_walk_state_t *wsp) 2997fa9e4066Sahrens { 2998fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 3, 3)); 2999fa9e4066Sahrens } 3000fa9e4066Sahrens 3001fa9e4066Sahrens static int 3002fa9e4066Sahrens txg_list_walk_step(mdb_walk_state_t *wsp) 3003fa9e4066Sahrens { 3004fa9e4066Sahrens txg_list_walk_data_t *lwd = wsp->walk_data; 3005fa9e4066Sahrens uintptr_t addr; 3006fa9e4066Sahrens txg_node_t *node; 3007fa9e4066Sahrens int status; 3008fa9e4066Sahrens 3009892ad162SToomas Soome while (wsp->walk_addr == 0 && lwd->lw_txgoff < lwd->lw_maxoff) { 3010fa9e4066Sahrens lwd->lw_txgoff++; 3011fa9e4066Sahrens wsp->walk_addr = lwd->lw_head[lwd->lw_txgoff]; 3012fa9e4066Sahrens } 3013fa9e4066Sahrens 3014892ad162SToomas Soome if (wsp->walk_addr == 0) 3015fa9e4066Sahrens return (WALK_DONE); 3016fa9e4066Sahrens 3017fa9e4066Sahrens addr = wsp->walk_addr - lwd->lw_offset; 3018fa9e4066Sahrens 3019fa9e4066Sahrens if (mdb_vread(lwd->lw_obj, 3020fa9e4066Sahrens lwd->lw_offset + sizeof (txg_node_t), addr) == -1) { 3021fa9e4066Sahrens mdb_warn("failed to read list element at %#lx", addr); 3022fa9e4066Sahrens return (WALK_ERR); 3023fa9e4066Sahrens } 3024fa9e4066Sahrens 3025fa9e4066Sahrens status = wsp->walk_callback(addr, lwd->lw_obj, wsp->walk_cbdata); 3026fa9e4066Sahrens node = (txg_node_t *)((uintptr_t)lwd->lw_obj + lwd->lw_offset); 3027fa9e4066Sahrens wsp->walk_addr = (uintptr_t)node->tn_next[lwd->lw_txgoff]; 3028fa9e4066Sahrens 3029fa9e4066Sahrens return (status); 3030fa9e4066Sahrens } 3031fa9e4066Sahrens 3032fa9e4066Sahrens /* 3033fa9e4066Sahrens * ::walk spa 3034fa9e4066Sahrens * 3035fa9e4066Sahrens * Walk all named spa_t structures in the namespace. This is nothing more than 3036fa9e4066Sahrens * a layered avl walk. 3037fa9e4066Sahrens */ 3038fa9e4066Sahrens static int 3039fa9e4066Sahrens spa_walk_init(mdb_walk_state_t *wsp) 3040fa9e4066Sahrens { 3041fa9e4066Sahrens GElf_Sym sym; 3042fa9e4066Sahrens 3043892ad162SToomas Soome if (wsp->walk_addr != 0) { 3044fa9e4066Sahrens mdb_warn("spa walk only supports global walks\n"); 3045fa9e4066Sahrens return (WALK_ERR); 3046fa9e4066Sahrens } 3047fa9e4066Sahrens 3048fa9e4066Sahrens if (mdb_lookup_by_obj(ZFS_OBJ_NAME, "spa_namespace_avl", &sym) == -1) { 3049fa9e4066Sahrens mdb_warn("failed to find symbol 'spa_namespace_avl'"); 3050fa9e4066Sahrens return (WALK_ERR); 3051fa9e4066Sahrens } 3052fa9e4066Sahrens 3053fa9e4066Sahrens wsp->walk_addr = (uintptr_t)sym.st_value; 3054fa9e4066Sahrens 3055fa9e4066Sahrens if (mdb_layered_walk("avl", wsp) == -1) { 3056fa9e4066Sahrens mdb_warn("failed to walk 'avl'\n"); 3057fa9e4066Sahrens return (WALK_ERR); 3058fa9e4066Sahrens } 3059fa9e4066Sahrens 3060fa9e4066Sahrens return (WALK_NEXT); 3061fa9e4066Sahrens } 3062fa9e4066Sahrens 3063fa9e4066Sahrens static int 3064fa9e4066Sahrens spa_walk_step(mdb_walk_state_t *wsp) 3065fa9e4066Sahrens { 306622ce0148SMatthew Ahrens return (wsp->walk_callback(wsp->walk_addr, NULL, wsp->walk_cbdata)); 3067fa9e4066Sahrens } 3068fa9e4066Sahrens 3069ccae0b50Seschrock /* 3070ccae0b50Seschrock * [addr]::walk zio 3071ccae0b50Seschrock * 3072ccae0b50Seschrock * Walk all active zio_t structures on the system. This is simply a layered 3073ccae0b50Seschrock * walk on top of ::walk zio_cache, with the optional ability to limit the 3074ccae0b50Seschrock * structures to a particular pool. 3075ccae0b50Seschrock */ 3076ccae0b50Seschrock static int 3077ccae0b50Seschrock zio_walk_init(mdb_walk_state_t *wsp) 3078ccae0b50Seschrock { 3079dee140dfSMatthew Ahrens wsp->walk_data = (void *)wsp->walk_addr; 3080ccae0b50Seschrock 3081ccae0b50Seschrock if (mdb_layered_walk("zio_cache", wsp) == -1) { 3082ccae0b50Seschrock mdb_warn("failed to walk 'zio_cache'\n"); 3083ccae0b50Seschrock return (WALK_ERR); 3084ccae0b50Seschrock } 3085ccae0b50Seschrock 3086ccae0b50Seschrock return (WALK_NEXT); 3087ccae0b50Seschrock } 3088ccae0b50Seschrock 3089ccae0b50Seschrock static int 3090ccae0b50Seschrock zio_walk_step(mdb_walk_state_t *wsp) 3091ccae0b50Seschrock { 309228e4da25SMatthew Ahrens mdb_zio_t zio; 3093dee140dfSMatthew Ahrens uintptr_t spa = (uintptr_t)wsp->walk_data; 3094ccae0b50Seschrock 309528e4da25SMatthew Ahrens if (mdb_ctf_vread(&zio, ZFS_STRUCT "zio", "mdb_zio_t", 309628e4da25SMatthew Ahrens wsp->walk_addr, 0) == -1) 3097ccae0b50Seschrock return (WALK_ERR); 3098ccae0b50Seschrock 3099dee140dfSMatthew Ahrens if (spa != 0 && spa != zio.io_spa) 3100ccae0b50Seschrock return (WALK_NEXT); 3101ccae0b50Seschrock 3102ccae0b50Seschrock return (wsp->walk_callback(wsp->walk_addr, &zio, wsp->walk_cbdata)); 3103ccae0b50Seschrock } 3104ccae0b50Seschrock 3105ccae0b50Seschrock /* 3106ccae0b50Seschrock * [addr]::walk zio_root 3107ccae0b50Seschrock * 3108ccae0b50Seschrock * Walk only root zio_t structures, optionally for a particular spa_t. 3109ccae0b50Seschrock */ 3110ccae0b50Seschrock static int 3111ccae0b50Seschrock zio_walk_root_step(mdb_walk_state_t *wsp) 3112ccae0b50Seschrock { 311328e4da25SMatthew Ahrens mdb_zio_t zio; 3114dee140dfSMatthew Ahrens uintptr_t spa = (uintptr_t)wsp->walk_data; 3115ccae0b50Seschrock 311628e4da25SMatthew Ahrens if (mdb_ctf_vread(&zio, ZFS_STRUCT "zio", "mdb_zio_t", 311728e4da25SMatthew Ahrens wsp->walk_addr, 0) == -1) 3118ccae0b50Seschrock return (WALK_ERR); 3119ccae0b50Seschrock 3120dee140dfSMatthew Ahrens if (spa != 0 && spa != zio.io_spa) 3121ccae0b50Seschrock return (WALK_NEXT); 3122ccae0b50Seschrock 3123a3f829aeSBill Moore /* If the parent list is not empty, ignore */ 3124d5ee8a13SMatthew Ahrens if (zio.io_parent_list.list_head.list_next != 312528e4da25SMatthew Ahrens wsp->walk_addr + 312628e4da25SMatthew Ahrens mdb_ctf_offsetof_by_name(ZFS_STRUCT "zio", "io_parent_list") + 312728e4da25SMatthew Ahrens mdb_ctf_offsetof_by_name("struct list", "list_head")) 3128ccae0b50Seschrock return (WALK_NEXT); 3129ccae0b50Seschrock 3130ccae0b50Seschrock return (wsp->walk_callback(wsp->walk_addr, &zio, wsp->walk_cbdata)); 3131ccae0b50Seschrock } 3132ccae0b50Seschrock 313388b7b0f2SMatthew Ahrens /* 313488b7b0f2SMatthew Ahrens * ::zfs_blkstats 313588b7b0f2SMatthew Ahrens * 31362e4c9986SGeorge Wilson * -v print verbose per-level information 313788b7b0f2SMatthew Ahrens * 313888b7b0f2SMatthew Ahrens */ 313988b7b0f2SMatthew Ahrens static int 314088b7b0f2SMatthew Ahrens zfs_blkstats(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 314188b7b0f2SMatthew Ahrens { 314288b7b0f2SMatthew Ahrens boolean_t verbose = B_FALSE; 314388b7b0f2SMatthew Ahrens zfs_all_blkstats_t stats; 314488b7b0f2SMatthew Ahrens dmu_object_type_t t; 314588b7b0f2SMatthew Ahrens zfs_blkstat_t *tzb; 314688b7b0f2SMatthew Ahrens uint64_t ditto; 314788b7b0f2SMatthew Ahrens 314888b7b0f2SMatthew Ahrens if (mdb_getopts(argc, argv, 314988b7b0f2SMatthew Ahrens 'v', MDB_OPT_SETBITS, TRUE, &verbose, 315088b7b0f2SMatthew Ahrens NULL) != argc) 315188b7b0f2SMatthew Ahrens return (DCMD_USAGE); 315288b7b0f2SMatthew Ahrens 315388b7b0f2SMatthew Ahrens if (!(flags & DCMD_ADDRSPEC)) 315488b7b0f2SMatthew Ahrens return (DCMD_USAGE); 315588b7b0f2SMatthew Ahrens 315628e4da25SMatthew Ahrens if (GETMEMB(addr, "spa", spa_dsl_pool, addr) || 315728e4da25SMatthew Ahrens GETMEMB(addr, "dsl_pool", dp_blkstats, addr) || 315888b7b0f2SMatthew Ahrens mdb_vread(&stats, sizeof (zfs_all_blkstats_t), addr) == -1) { 315988b7b0f2SMatthew Ahrens mdb_warn("failed to read data at %p;", addr); 316088b7b0f2SMatthew Ahrens mdb_printf("maybe no stats? run \"zpool scrub\" first."); 316188b7b0f2SMatthew Ahrens return (DCMD_ERR); 316288b7b0f2SMatthew Ahrens } 316388b7b0f2SMatthew Ahrens 3164ad135b5dSChristopher Siden tzb = &stats.zab_type[DN_MAX_LEVELS][DMU_OT_TOTAL]; 316588b7b0f2SMatthew Ahrens if (tzb->zb_gangs != 0) { 316688b7b0f2SMatthew Ahrens mdb_printf("Ganged blocks: %llu\n", 316788b7b0f2SMatthew Ahrens (longlong_t)tzb->zb_gangs); 316888b7b0f2SMatthew Ahrens } 316988b7b0f2SMatthew Ahrens 317088b7b0f2SMatthew Ahrens ditto = tzb->zb_ditto_2_of_2_samevdev + tzb->zb_ditto_2_of_3_samevdev + 317188b7b0f2SMatthew Ahrens tzb->zb_ditto_3_of_3_samevdev; 317288b7b0f2SMatthew Ahrens if (ditto != 0) { 317388b7b0f2SMatthew Ahrens mdb_printf("Dittoed blocks on same vdev: %llu\n", 317488b7b0f2SMatthew Ahrens (longlong_t)ditto); 317588b7b0f2SMatthew Ahrens } 317688b7b0f2SMatthew Ahrens 317788b7b0f2SMatthew Ahrens mdb_printf("\nBlocks\tLSIZE\tPSIZE\tASIZE" 317888b7b0f2SMatthew Ahrens "\t avg\t comp\t%%Total\tType\n"); 317988b7b0f2SMatthew Ahrens 3180ad135b5dSChristopher Siden for (t = 0; t <= DMU_OT_TOTAL; t++) { 3181d70f65dfSToomas Soome char csize[MDB_NICENUM_BUFLEN], lsize[MDB_NICENUM_BUFLEN]; 3182d70f65dfSToomas Soome char psize[MDB_NICENUM_BUFLEN], asize[MDB_NICENUM_BUFLEN]; 3183d70f65dfSToomas Soome char avg[MDB_NICENUM_BUFLEN]; 3184d70f65dfSToomas Soome char comp[MDB_NICENUM_BUFLEN], pct[MDB_NICENUM_BUFLEN]; 318588b7b0f2SMatthew Ahrens char typename[64]; 318688b7b0f2SMatthew Ahrens int l; 318788b7b0f2SMatthew Ahrens 318888b7b0f2SMatthew Ahrens 318988b7b0f2SMatthew Ahrens if (t == DMU_OT_DEFERRED) 319088b7b0f2SMatthew Ahrens strcpy(typename, "deferred free"); 3191ad135b5dSChristopher Siden else if (t == DMU_OT_OTHER) 3192ad135b5dSChristopher Siden strcpy(typename, "other"); 319388b7b0f2SMatthew Ahrens else if (t == DMU_OT_TOTAL) 319488b7b0f2SMatthew Ahrens strcpy(typename, "Total"); 3195eb633035STom Caputi else if (enum_lookup("enum dmu_object_type", 3196eb633035STom Caputi t, "DMU_OT_", sizeof (typename), typename) == -1) { 319788b7b0f2SMatthew Ahrens mdb_warn("failed to read type name"); 319888b7b0f2SMatthew Ahrens return (DCMD_ERR); 319988b7b0f2SMatthew Ahrens } 320088b7b0f2SMatthew Ahrens 320188b7b0f2SMatthew Ahrens if (stats.zab_type[DN_MAX_LEVELS][t].zb_asize == 0) 320288b7b0f2SMatthew Ahrens continue; 320388b7b0f2SMatthew Ahrens 320488b7b0f2SMatthew Ahrens for (l = -1; l < DN_MAX_LEVELS; l++) { 320588b7b0f2SMatthew Ahrens int level = (l == -1 ? DN_MAX_LEVELS : l); 320688b7b0f2SMatthew Ahrens zfs_blkstat_t *zb = &stats.zab_type[level][t]; 320788b7b0f2SMatthew Ahrens 320888b7b0f2SMatthew Ahrens if (zb->zb_asize == 0) 320988b7b0f2SMatthew Ahrens continue; 321088b7b0f2SMatthew Ahrens 321188b7b0f2SMatthew Ahrens /* 321288b7b0f2SMatthew Ahrens * Don't print each level unless requested. 321388b7b0f2SMatthew Ahrens */ 321488b7b0f2SMatthew Ahrens if (!verbose && level != DN_MAX_LEVELS) 321588b7b0f2SMatthew Ahrens continue; 321688b7b0f2SMatthew Ahrens 321788b7b0f2SMatthew Ahrens /* 321888b7b0f2SMatthew Ahrens * If all the space is level 0, don't print the 321988b7b0f2SMatthew Ahrens * level 0 separately. 322088b7b0f2SMatthew Ahrens */ 322188b7b0f2SMatthew Ahrens if (level == 0 && zb->zb_asize == 322288b7b0f2SMatthew Ahrens stats.zab_type[DN_MAX_LEVELS][t].zb_asize) 322388b7b0f2SMatthew Ahrens continue; 322488b7b0f2SMatthew Ahrens 322588b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_count, csize); 322688b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_lsize, lsize); 322788b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_psize, psize); 322888b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_asize, asize); 322988b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_asize / zb->zb_count, avg); 3230d70f65dfSToomas Soome (void) mdb_snprintfrac(comp, MDB_NICENUM_BUFLEN, 3231ff64c0f7SMatthew Ahrens zb->zb_lsize, zb->zb_psize, 2); 3232d70f65dfSToomas Soome (void) mdb_snprintfrac(pct, MDB_NICENUM_BUFLEN, 3233ff64c0f7SMatthew Ahrens 100 * zb->zb_asize, tzb->zb_asize, 2); 323488b7b0f2SMatthew Ahrens 323588b7b0f2SMatthew Ahrens mdb_printf("%6s\t%5s\t%5s\t%5s\t%5s" 323688b7b0f2SMatthew Ahrens "\t%5s\t%6s\t", 323788b7b0f2SMatthew Ahrens csize, lsize, psize, asize, avg, comp, pct); 323888b7b0f2SMatthew Ahrens 323988b7b0f2SMatthew Ahrens if (level == DN_MAX_LEVELS) 324088b7b0f2SMatthew Ahrens mdb_printf("%s\n", typename); 324188b7b0f2SMatthew Ahrens else 324288b7b0f2SMatthew Ahrens mdb_printf(" L%d %s\n", 324388b7b0f2SMatthew Ahrens level, typename); 324488b7b0f2SMatthew Ahrens } 324588b7b0f2SMatthew Ahrens } 324688b7b0f2SMatthew Ahrens 324788b7b0f2SMatthew Ahrens return (DCMD_OK); 324888b7b0f2SMatthew Ahrens } 324988b7b0f2SMatthew Ahrens 3250d5ee8a13SMatthew Ahrens typedef struct mdb_reference { 3251d5ee8a13SMatthew Ahrens uintptr_t ref_holder; 3252d5ee8a13SMatthew Ahrens uintptr_t ref_removed; 3253d5ee8a13SMatthew Ahrens uint64_t ref_number; 3254d5ee8a13SMatthew Ahrens } mdb_reference_t; 3255d5ee8a13SMatthew Ahrens 32569966ca11SMatthew Ahrens /* ARGSUSED */ 32579966ca11SMatthew Ahrens static int 32589966ca11SMatthew Ahrens reference_cb(uintptr_t addr, const void *ignored, void *arg) 32599966ca11SMatthew Ahrens { 3260d5ee8a13SMatthew Ahrens mdb_reference_t ref; 32613f9d6ad7SLin Ling boolean_t holder_is_str = B_FALSE; 32629966ca11SMatthew Ahrens char holder_str[128]; 32639966ca11SMatthew Ahrens boolean_t removed = (boolean_t)arg; 32649966ca11SMatthew Ahrens 3265d5ee8a13SMatthew Ahrens if (mdb_ctf_vread(&ref, "reference_t", "mdb_reference_t", addr, 3266d5ee8a13SMatthew Ahrens 0) == -1) 3267d5ee8a13SMatthew Ahrens return (DCMD_ERR); 32689966ca11SMatthew Ahrens 3269d5ee8a13SMatthew Ahrens if (mdb_readstr(holder_str, sizeof (holder_str), 3270d5ee8a13SMatthew Ahrens ref.ref_holder) != -1) 32713f9d6ad7SLin Ling holder_is_str = strisprint(holder_str); 32729966ca11SMatthew Ahrens 32739966ca11SMatthew Ahrens if (removed) 32749966ca11SMatthew Ahrens mdb_printf("removed "); 32759966ca11SMatthew Ahrens mdb_printf("reference "); 3276d5ee8a13SMatthew Ahrens if (ref.ref_number != 1) 3277d5ee8a13SMatthew Ahrens mdb_printf("with count=%llu ", ref.ref_number); 3278d5ee8a13SMatthew Ahrens mdb_printf("with tag %lx", ref.ref_holder); 32799966ca11SMatthew Ahrens if (holder_is_str) 32809966ca11SMatthew Ahrens mdb_printf(" \"%s\"", holder_str); 32819966ca11SMatthew Ahrens mdb_printf(", held at:\n"); 32829966ca11SMatthew Ahrens 32839966ca11SMatthew Ahrens (void) mdb_call_dcmd("whatis", addr, DCMD_ADDRSPEC, 0, NULL); 32849966ca11SMatthew Ahrens 32859966ca11SMatthew Ahrens if (removed) { 32869966ca11SMatthew Ahrens mdb_printf("removed at:\n"); 3287d5ee8a13SMatthew Ahrens (void) mdb_call_dcmd("whatis", ref.ref_removed, 32889966ca11SMatthew Ahrens DCMD_ADDRSPEC, 0, NULL); 32899966ca11SMatthew Ahrens } 32909966ca11SMatthew Ahrens 32919966ca11SMatthew Ahrens mdb_printf("\n"); 32929966ca11SMatthew Ahrens 32939966ca11SMatthew Ahrens return (WALK_NEXT); 32949966ca11SMatthew Ahrens } 32959966ca11SMatthew Ahrens 32960dd73f50SJason King typedef struct mdb_zfs_refcount { 3297d5ee8a13SMatthew Ahrens uint64_t rc_count; 32980dd73f50SJason King } mdb_zfs_refcount_t; 3299d5ee8a13SMatthew Ahrens 33000dd73f50SJason King typedef struct mdb_zfs_refcount_removed { 3301d5ee8a13SMatthew Ahrens uint64_t rc_removed_count; 33020dd73f50SJason King } mdb_zfs_refcount_removed_t; 3303d5ee8a13SMatthew Ahrens 33040dd73f50SJason King typedef struct mdb_zfs_refcount_tracked { 3305d5ee8a13SMatthew Ahrens boolean_t rc_tracked; 33060dd73f50SJason King } mdb_zfs_refcount_tracked_t; 3307d5ee8a13SMatthew Ahrens 33089966ca11SMatthew Ahrens /* ARGSUSED */ 33099966ca11SMatthew Ahrens static int 33100dd73f50SJason King zfs_refcount(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 33119966ca11SMatthew Ahrens { 33120dd73f50SJason King mdb_zfs_refcount_t rc; 33130dd73f50SJason King mdb_zfs_refcount_removed_t rcr; 33140dd73f50SJason King mdb_zfs_refcount_tracked_t rct; 3315d5ee8a13SMatthew Ahrens int off; 331628e4da25SMatthew Ahrens boolean_t released = B_FALSE; 33179966ca11SMatthew Ahrens 33189966ca11SMatthew Ahrens if (!(flags & DCMD_ADDRSPEC)) 33199966ca11SMatthew Ahrens return (DCMD_USAGE); 33209966ca11SMatthew Ahrens 332128e4da25SMatthew Ahrens if (mdb_getopts(argc, argv, 332228e4da25SMatthew Ahrens 'r', MDB_OPT_SETBITS, B_TRUE, &released, 332328e4da25SMatthew Ahrens NULL) != argc) 332428e4da25SMatthew Ahrens return (DCMD_USAGE); 332528e4da25SMatthew Ahrens 33260dd73f50SJason King if (mdb_ctf_vread(&rc, "zfs_refcount_t", "mdb_zfs_refcount_t", addr, 3327d5ee8a13SMatthew Ahrens 0) == -1) 33289966ca11SMatthew Ahrens return (DCMD_ERR); 33299966ca11SMatthew Ahrens 33300dd73f50SJason King if (mdb_ctf_vread(&rcr, "zfs_refcount_t", "mdb_zfs_refcount_removed_t", 33310dd73f50SJason King addr, MDB_CTF_VREAD_QUIET) == -1) { 33320dd73f50SJason King mdb_printf("zfs_refcount_t at %p has %llu holds (untracked)\n", 3333d5ee8a13SMatthew Ahrens addr, (longlong_t)rc.rc_count); 333428e4da25SMatthew Ahrens return (DCMD_OK); 333528e4da25SMatthew Ahrens } 333628e4da25SMatthew Ahrens 33370dd73f50SJason King if (mdb_ctf_vread(&rct, "zfs_refcount_t", "mdb_zfs_refcount_tracked_t", 33380dd73f50SJason King addr, MDB_CTF_VREAD_QUIET) == -1) { 3339d5ee8a13SMatthew Ahrens /* If this is an old target, it might be tracked. */ 3340d5ee8a13SMatthew Ahrens rct.rc_tracked = B_TRUE; 3341d5ee8a13SMatthew Ahrens } 3342d5ee8a13SMatthew Ahrens 33430dd73f50SJason King mdb_printf("zfs_refcount_t at %p has %llu current holds, " 33449966ca11SMatthew Ahrens "%llu recently released holds\n", 3345d5ee8a13SMatthew Ahrens addr, (longlong_t)rc.rc_count, (longlong_t)rcr.rc_removed_count); 33469966ca11SMatthew Ahrens 3347d5ee8a13SMatthew Ahrens if (rct.rc_tracked && rc.rc_count > 0) 33489966ca11SMatthew Ahrens mdb_printf("current holds:\n"); 33490dd73f50SJason King off = mdb_ctf_offsetof_by_name("zfs_refcount_t", "rc_list"); 3350d5ee8a13SMatthew Ahrens if (off == -1) 33519966ca11SMatthew Ahrens return (DCMD_ERR); 3352d5ee8a13SMatthew Ahrens mdb_pwalk("list", reference_cb, (void*)B_FALSE, addr + off); 3353d5ee8a13SMatthew Ahrens 3354d5ee8a13SMatthew Ahrens if (released && rcr.rc_removed_count > 0) { 3355d5ee8a13SMatthew Ahrens mdb_printf("released holds:\n"); 33569966ca11SMatthew Ahrens 33570dd73f50SJason King off = mdb_ctf_offsetof_by_name("zfs_refcount_t", "rc_removed"); 3358d5ee8a13SMatthew Ahrens if (off == -1) 335928e4da25SMatthew Ahrens return (DCMD_ERR); 3360421ff020SPrakash Surya mdb_pwalk("list", reference_cb, (void*)B_TRUE, addr + off); 336128e4da25SMatthew Ahrens } 33629966ca11SMatthew Ahrens 33639966ca11SMatthew Ahrens return (DCMD_OK); 33649966ca11SMatthew Ahrens } 33659966ca11SMatthew Ahrens 33660a586ceaSMark Shellenbaum /* ARGSUSED */ 33670a586ceaSMark Shellenbaum static int 33680a586ceaSMark Shellenbaum sa_attr_table(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 33690a586ceaSMark Shellenbaum { 33700a586ceaSMark Shellenbaum sa_attr_table_t *table; 33710a586ceaSMark Shellenbaum sa_os_t sa_os; 33720a586ceaSMark Shellenbaum char *name; 33730a586ceaSMark Shellenbaum int i; 33740a586ceaSMark Shellenbaum 33750a586ceaSMark Shellenbaum if (mdb_vread(&sa_os, sizeof (sa_os_t), addr) == -1) { 33760a586ceaSMark Shellenbaum mdb_warn("failed to read sa_os at %p", addr); 33770a586ceaSMark Shellenbaum return (DCMD_ERR); 33780a586ceaSMark Shellenbaum } 33790a586ceaSMark Shellenbaum 33800a586ceaSMark Shellenbaum table = mdb_alloc(sizeof (sa_attr_table_t) * sa_os.sa_num_attrs, 33810a586ceaSMark Shellenbaum UM_SLEEP | UM_GC); 33820a586ceaSMark Shellenbaum name = mdb_alloc(MAXPATHLEN, UM_SLEEP | UM_GC); 33830a586ceaSMark Shellenbaum 33840a586ceaSMark Shellenbaum if (mdb_vread(table, sizeof (sa_attr_table_t) * sa_os.sa_num_attrs, 33850a586ceaSMark Shellenbaum (uintptr_t)sa_os.sa_attr_table) == -1) { 33860a586ceaSMark Shellenbaum mdb_warn("failed to read sa_os at %p", addr); 33870a586ceaSMark Shellenbaum return (DCMD_ERR); 33880a586ceaSMark Shellenbaum } 33890a586ceaSMark Shellenbaum 33900a586ceaSMark Shellenbaum mdb_printf("%<u>%-10s %-10s %-10s %-10s %s%</u>\n", 33910a586ceaSMark Shellenbaum "ATTR ID", "REGISTERED", "LENGTH", "BSWAP", "NAME"); 33920a586ceaSMark Shellenbaum for (i = 0; i != sa_os.sa_num_attrs; i++) { 33930a586ceaSMark Shellenbaum mdb_readstr(name, MAXPATHLEN, (uintptr_t)table[i].sa_name); 33940a586ceaSMark Shellenbaum mdb_printf("%5x %8x %8x %8x %-s\n", 33950a586ceaSMark Shellenbaum (int)table[i].sa_attr, (int)table[i].sa_registered, 33960a586ceaSMark Shellenbaum (int)table[i].sa_length, table[i].sa_byteswap, name); 33970a586ceaSMark Shellenbaum } 33980a586ceaSMark Shellenbaum 33990a586ceaSMark Shellenbaum return (DCMD_OK); 34000a586ceaSMark Shellenbaum } 34010a586ceaSMark Shellenbaum 34020a586ceaSMark Shellenbaum static int 34030a586ceaSMark Shellenbaum sa_get_off_table(uintptr_t addr, uint32_t **off_tab, int attr_count) 34040a586ceaSMark Shellenbaum { 34050a586ceaSMark Shellenbaum uintptr_t idx_table; 34060a586ceaSMark Shellenbaum 340728e4da25SMatthew Ahrens if (GETMEMB(addr, "sa_idx_tab", sa_idx_tab, idx_table)) { 34080a586ceaSMark Shellenbaum mdb_printf("can't find offset table in sa_idx_tab\n"); 34090a586ceaSMark Shellenbaum return (-1); 34100a586ceaSMark Shellenbaum } 34110a586ceaSMark Shellenbaum 34120a586ceaSMark Shellenbaum *off_tab = mdb_alloc(attr_count * sizeof (uint32_t), 34130a586ceaSMark Shellenbaum UM_SLEEP | UM_GC); 34140a586ceaSMark Shellenbaum 34150a586ceaSMark Shellenbaum if (mdb_vread(*off_tab, 34160a586ceaSMark Shellenbaum attr_count * sizeof (uint32_t), idx_table) == -1) { 34170a586ceaSMark Shellenbaum mdb_warn("failed to attribute offset table %p", idx_table); 34180a586ceaSMark Shellenbaum return (-1); 34190a586ceaSMark Shellenbaum } 34200a586ceaSMark Shellenbaum 34210a586ceaSMark Shellenbaum return (DCMD_OK); 34220a586ceaSMark Shellenbaum } 34230a586ceaSMark Shellenbaum 34240a586ceaSMark Shellenbaum /*ARGSUSED*/ 34250a586ceaSMark Shellenbaum static int 34260a586ceaSMark Shellenbaum sa_attr_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 34270a586ceaSMark Shellenbaum { 34280a586ceaSMark Shellenbaum uint32_t *offset_tab; 34290a586ceaSMark Shellenbaum int attr_count; 34300a586ceaSMark Shellenbaum uint64_t attr_id; 34310a586ceaSMark Shellenbaum uintptr_t attr_addr; 34320a586ceaSMark Shellenbaum uintptr_t bonus_tab, spill_tab; 34330a586ceaSMark Shellenbaum uintptr_t db_bonus, db_spill; 34340a586ceaSMark Shellenbaum uintptr_t os, os_sa; 34350a586ceaSMark Shellenbaum uintptr_t db_data; 34360a586ceaSMark Shellenbaum 34370a586ceaSMark Shellenbaum if (argc != 1) 34380a586ceaSMark Shellenbaum return (DCMD_USAGE); 34390a586ceaSMark Shellenbaum 34400a586ceaSMark Shellenbaum if (argv[0].a_type == MDB_TYPE_STRING) 34410a586ceaSMark Shellenbaum attr_id = mdb_strtoull(argv[0].a_un.a_str); 34420a586ceaSMark Shellenbaum else 34430a586ceaSMark Shellenbaum return (DCMD_USAGE); 34440a586ceaSMark Shellenbaum 344528e4da25SMatthew Ahrens if (GETMEMB(addr, "sa_handle", sa_bonus_tab, bonus_tab) || 344628e4da25SMatthew Ahrens GETMEMB(addr, "sa_handle", sa_spill_tab, spill_tab) || 344728e4da25SMatthew Ahrens GETMEMB(addr, "sa_handle", sa_os, os) || 344828e4da25SMatthew Ahrens GETMEMB(addr, "sa_handle", sa_bonus, db_bonus) || 344928e4da25SMatthew Ahrens GETMEMB(addr, "sa_handle", sa_spill, db_spill)) { 34500a586ceaSMark Shellenbaum mdb_printf("Can't find necessary information in sa_handle " 34510a586ceaSMark Shellenbaum "in sa_handle\n"); 34520a586ceaSMark Shellenbaum return (DCMD_ERR); 34530a586ceaSMark Shellenbaum } 34540a586ceaSMark Shellenbaum 345528e4da25SMatthew Ahrens if (GETMEMB(os, "objset", os_sa, os_sa)) { 34560a586ceaSMark Shellenbaum mdb_printf("Can't find os_sa in objset\n"); 34570a586ceaSMark Shellenbaum return (DCMD_ERR); 34580a586ceaSMark Shellenbaum } 34590a586ceaSMark Shellenbaum 346028e4da25SMatthew Ahrens if (GETMEMB(os_sa, "sa_os", sa_num_attrs, attr_count)) { 34610a586ceaSMark Shellenbaum mdb_printf("Can't find sa_num_attrs\n"); 34620a586ceaSMark Shellenbaum return (DCMD_ERR); 34630a586ceaSMark Shellenbaum } 34640a586ceaSMark Shellenbaum 34650a586ceaSMark Shellenbaum if (attr_id > attr_count) { 34660a586ceaSMark Shellenbaum mdb_printf("attribute id number is out of range\n"); 34670a586ceaSMark Shellenbaum return (DCMD_ERR); 34680a586ceaSMark Shellenbaum } 34690a586ceaSMark Shellenbaum 34700a586ceaSMark Shellenbaum if (bonus_tab) { 34710a586ceaSMark Shellenbaum if (sa_get_off_table(bonus_tab, &offset_tab, 34720a586ceaSMark Shellenbaum attr_count) == -1) { 34730a586ceaSMark Shellenbaum return (DCMD_ERR); 34740a586ceaSMark Shellenbaum } 34750a586ceaSMark Shellenbaum 347628e4da25SMatthew Ahrens if (GETMEMB(db_bonus, "dmu_buf", db_data, db_data)) { 34770a586ceaSMark Shellenbaum mdb_printf("can't find db_data in bonus dbuf\n"); 34780a586ceaSMark Shellenbaum return (DCMD_ERR); 34790a586ceaSMark Shellenbaum } 34800a586ceaSMark Shellenbaum } 34810a586ceaSMark Shellenbaum 34820a586ceaSMark Shellenbaum if (bonus_tab && !TOC_ATTR_PRESENT(offset_tab[attr_id]) && 3483892ad162SToomas Soome spill_tab == 0) { 34840a586ceaSMark Shellenbaum mdb_printf("Attribute does not exist\n"); 34850a586ceaSMark Shellenbaum return (DCMD_ERR); 34860a586ceaSMark Shellenbaum } else if (!TOC_ATTR_PRESENT(offset_tab[attr_id]) && spill_tab) { 34870a586ceaSMark Shellenbaum if (sa_get_off_table(spill_tab, &offset_tab, 34880a586ceaSMark Shellenbaum attr_count) == -1) { 34890a586ceaSMark Shellenbaum return (DCMD_ERR); 34900a586ceaSMark Shellenbaum } 349128e4da25SMatthew Ahrens if (GETMEMB(db_spill, "dmu_buf", db_data, db_data)) { 34920a586ceaSMark Shellenbaum mdb_printf("can't find db_data in spill dbuf\n"); 34930a586ceaSMark Shellenbaum return (DCMD_ERR); 34940a586ceaSMark Shellenbaum } 34950a586ceaSMark Shellenbaum if (!TOC_ATTR_PRESENT(offset_tab[attr_id])) { 34960a586ceaSMark Shellenbaum mdb_printf("Attribute does not exist\n"); 34970a586ceaSMark Shellenbaum return (DCMD_ERR); 34980a586ceaSMark Shellenbaum } 34990a586ceaSMark Shellenbaum } 35000a586ceaSMark Shellenbaum attr_addr = db_data + TOC_OFF(offset_tab[attr_id]); 35010a586ceaSMark Shellenbaum mdb_printf("%p\n", attr_addr); 35020a586ceaSMark Shellenbaum return (DCMD_OK); 35030a586ceaSMark Shellenbaum } 35040a586ceaSMark Shellenbaum 35050a586ceaSMark Shellenbaum /* ARGSUSED */ 35060a586ceaSMark Shellenbaum static int 35070a586ceaSMark Shellenbaum zfs_ace_print_common(uintptr_t addr, uint_t flags, 35080a586ceaSMark Shellenbaum uint64_t id, uint32_t access_mask, uint16_t ace_flags, 35090a586ceaSMark Shellenbaum uint16_t ace_type, int verbose) 35100a586ceaSMark Shellenbaum { 35110a586ceaSMark Shellenbaum if (DCMD_HDRSPEC(flags) && !verbose) 35120a586ceaSMark Shellenbaum mdb_printf("%<u>%-?s %-8s %-8s %-8s %s%</u>\n", 35130a586ceaSMark Shellenbaum "ADDR", "FLAGS", "MASK", "TYPE", "ID"); 35140a586ceaSMark Shellenbaum 35150a586ceaSMark Shellenbaum if (!verbose) { 35160a586ceaSMark Shellenbaum mdb_printf("%0?p %-8x %-8x %-8x %-llx\n", addr, 35170a586ceaSMark Shellenbaum ace_flags, access_mask, ace_type, id); 35180a586ceaSMark Shellenbaum return (DCMD_OK); 35190a586ceaSMark Shellenbaum } 35200a586ceaSMark Shellenbaum 35210a586ceaSMark Shellenbaum switch (ace_flags & ACE_TYPE_FLAGS) { 35220a586ceaSMark Shellenbaum case ACE_OWNER: 35230a586ceaSMark Shellenbaum mdb_printf("owner@:"); 35240a586ceaSMark Shellenbaum break; 35250a586ceaSMark Shellenbaum case (ACE_IDENTIFIER_GROUP | ACE_GROUP): 35260a586ceaSMark Shellenbaum mdb_printf("group@:"); 35270a586ceaSMark Shellenbaum break; 35280a586ceaSMark Shellenbaum case ACE_EVERYONE: 35290a586ceaSMark Shellenbaum mdb_printf("everyone@:"); 35300a586ceaSMark Shellenbaum break; 35310a586ceaSMark Shellenbaum case ACE_IDENTIFIER_GROUP: 35320a586ceaSMark Shellenbaum mdb_printf("group:%llx:", (u_longlong_t)id); 35330a586ceaSMark Shellenbaum break; 35340a586ceaSMark Shellenbaum case 0: /* User entry */ 35350a586ceaSMark Shellenbaum mdb_printf("user:%llx:", (u_longlong_t)id); 35360a586ceaSMark Shellenbaum break; 35370a586ceaSMark Shellenbaum } 35380a586ceaSMark Shellenbaum 35390a586ceaSMark Shellenbaum /* print out permission mask */ 35400a586ceaSMark Shellenbaum if (access_mask & ACE_READ_DATA) 35410a586ceaSMark Shellenbaum mdb_printf("r"); 35420a586ceaSMark Shellenbaum else 35430a586ceaSMark Shellenbaum mdb_printf("-"); 35440a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_DATA) 35450a586ceaSMark Shellenbaum mdb_printf("w"); 35460a586ceaSMark Shellenbaum else 35470a586ceaSMark Shellenbaum mdb_printf("-"); 35480a586ceaSMark Shellenbaum if (access_mask & ACE_EXECUTE) 35490a586ceaSMark Shellenbaum mdb_printf("x"); 35500a586ceaSMark Shellenbaum else 35510a586ceaSMark Shellenbaum mdb_printf("-"); 35520a586ceaSMark Shellenbaum if (access_mask & ACE_APPEND_DATA) 35530a586ceaSMark Shellenbaum mdb_printf("p"); 35540a586ceaSMark Shellenbaum else 35550a586ceaSMark Shellenbaum mdb_printf("-"); 35560a586ceaSMark Shellenbaum if (access_mask & ACE_DELETE) 35570a586ceaSMark Shellenbaum mdb_printf("d"); 35580a586ceaSMark Shellenbaum else 35590a586ceaSMark Shellenbaum mdb_printf("-"); 35600a586ceaSMark Shellenbaum if (access_mask & ACE_DELETE_CHILD) 35610a586ceaSMark Shellenbaum mdb_printf("D"); 35620a586ceaSMark Shellenbaum else 35630a586ceaSMark Shellenbaum mdb_printf("-"); 35640a586ceaSMark Shellenbaum if (access_mask & ACE_READ_ATTRIBUTES) 35650a586ceaSMark Shellenbaum mdb_printf("a"); 35660a586ceaSMark Shellenbaum else 35670a586ceaSMark Shellenbaum mdb_printf("-"); 35680a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_ATTRIBUTES) 35690a586ceaSMark Shellenbaum mdb_printf("A"); 35700a586ceaSMark Shellenbaum else 35710a586ceaSMark Shellenbaum mdb_printf("-"); 35720a586ceaSMark Shellenbaum if (access_mask & ACE_READ_NAMED_ATTRS) 35730a586ceaSMark Shellenbaum mdb_printf("R"); 35740a586ceaSMark Shellenbaum else 35750a586ceaSMark Shellenbaum mdb_printf("-"); 35760a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_NAMED_ATTRS) 35770a586ceaSMark Shellenbaum mdb_printf("W"); 35780a586ceaSMark Shellenbaum else 35790a586ceaSMark Shellenbaum mdb_printf("-"); 35800a586ceaSMark Shellenbaum if (access_mask & ACE_READ_ACL) 35810a586ceaSMark Shellenbaum mdb_printf("c"); 35820a586ceaSMark Shellenbaum else 35830a586ceaSMark Shellenbaum mdb_printf("-"); 35840a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_ACL) 35850a586ceaSMark Shellenbaum mdb_printf("C"); 35860a586ceaSMark Shellenbaum else 35870a586ceaSMark Shellenbaum mdb_printf("-"); 35880a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_OWNER) 35890a586ceaSMark Shellenbaum mdb_printf("o"); 35900a586ceaSMark Shellenbaum else 35910a586ceaSMark Shellenbaum mdb_printf("-"); 35920a586ceaSMark Shellenbaum if (access_mask & ACE_SYNCHRONIZE) 35930a586ceaSMark Shellenbaum mdb_printf("s"); 35940a586ceaSMark Shellenbaum else 35950a586ceaSMark Shellenbaum mdb_printf("-"); 35960a586ceaSMark Shellenbaum 35970a586ceaSMark Shellenbaum mdb_printf(":"); 35980a586ceaSMark Shellenbaum 35990a586ceaSMark Shellenbaum /* Print out inheritance flags */ 36000a586ceaSMark Shellenbaum if (ace_flags & ACE_FILE_INHERIT_ACE) 36010a586ceaSMark Shellenbaum mdb_printf("f"); 36020a586ceaSMark Shellenbaum else 36030a586ceaSMark Shellenbaum mdb_printf("-"); 36040a586ceaSMark Shellenbaum if (ace_flags & ACE_DIRECTORY_INHERIT_ACE) 36050a586ceaSMark Shellenbaum mdb_printf("d"); 36060a586ceaSMark Shellenbaum else 36070a586ceaSMark Shellenbaum mdb_printf("-"); 36080a586ceaSMark Shellenbaum if (ace_flags & ACE_INHERIT_ONLY_ACE) 36090a586ceaSMark Shellenbaum mdb_printf("i"); 36100a586ceaSMark Shellenbaum else 36110a586ceaSMark Shellenbaum mdb_printf("-"); 36120a586ceaSMark Shellenbaum if (ace_flags & ACE_NO_PROPAGATE_INHERIT_ACE) 36130a586ceaSMark Shellenbaum mdb_printf("n"); 36140a586ceaSMark Shellenbaum else 36150a586ceaSMark Shellenbaum mdb_printf("-"); 36160a586ceaSMark Shellenbaum if (ace_flags & ACE_SUCCESSFUL_ACCESS_ACE_FLAG) 36170a586ceaSMark Shellenbaum mdb_printf("S"); 36180a586ceaSMark Shellenbaum else 36190a586ceaSMark Shellenbaum mdb_printf("-"); 36200a586ceaSMark Shellenbaum if (ace_flags & ACE_FAILED_ACCESS_ACE_FLAG) 36210a586ceaSMark Shellenbaum mdb_printf("F"); 36220a586ceaSMark Shellenbaum else 36230a586ceaSMark Shellenbaum mdb_printf("-"); 36240a586ceaSMark Shellenbaum if (ace_flags & ACE_INHERITED_ACE) 36250a586ceaSMark Shellenbaum mdb_printf("I"); 36260a586ceaSMark Shellenbaum else 36270a586ceaSMark Shellenbaum mdb_printf("-"); 36280a586ceaSMark Shellenbaum 36290a586ceaSMark Shellenbaum switch (ace_type) { 36300a586ceaSMark Shellenbaum case ACE_ACCESS_ALLOWED_ACE_TYPE: 36310a586ceaSMark Shellenbaum mdb_printf(":allow\n"); 36320a586ceaSMark Shellenbaum break; 36330a586ceaSMark Shellenbaum case ACE_ACCESS_DENIED_ACE_TYPE: 36340a586ceaSMark Shellenbaum mdb_printf(":deny\n"); 36350a586ceaSMark Shellenbaum break; 36360a586ceaSMark Shellenbaum case ACE_SYSTEM_AUDIT_ACE_TYPE: 36370a586ceaSMark Shellenbaum mdb_printf(":audit\n"); 36380a586ceaSMark Shellenbaum break; 36390a586ceaSMark Shellenbaum case ACE_SYSTEM_ALARM_ACE_TYPE: 36400a586ceaSMark Shellenbaum mdb_printf(":alarm\n"); 36410a586ceaSMark Shellenbaum break; 36420a586ceaSMark Shellenbaum default: 36430a586ceaSMark Shellenbaum mdb_printf(":?\n"); 36440a586ceaSMark Shellenbaum } 36450a586ceaSMark Shellenbaum return (DCMD_OK); 36460a586ceaSMark Shellenbaum } 36470a586ceaSMark Shellenbaum 36480a586ceaSMark Shellenbaum /* ARGSUSED */ 36490a586ceaSMark Shellenbaum static int 36500a586ceaSMark Shellenbaum zfs_ace_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 36510a586ceaSMark Shellenbaum { 36520a586ceaSMark Shellenbaum zfs_ace_t zace; 36530a586ceaSMark Shellenbaum int verbose = FALSE; 36540a586ceaSMark Shellenbaum uint64_t id; 36550a586ceaSMark Shellenbaum 36560a586ceaSMark Shellenbaum if (!(flags & DCMD_ADDRSPEC)) 36570a586ceaSMark Shellenbaum return (DCMD_USAGE); 36580a586ceaSMark Shellenbaum 36590a586ceaSMark Shellenbaum if (mdb_getopts(argc, argv, 36600a586ceaSMark Shellenbaum 'v', MDB_OPT_SETBITS, TRUE, &verbose, TRUE, NULL) != argc) 36610a586ceaSMark Shellenbaum return (DCMD_USAGE); 36620a586ceaSMark Shellenbaum 36630a586ceaSMark Shellenbaum if (mdb_vread(&zace, sizeof (zfs_ace_t), addr) == -1) { 36640a586ceaSMark Shellenbaum mdb_warn("failed to read zfs_ace_t"); 36650a586ceaSMark Shellenbaum return (DCMD_ERR); 36660a586ceaSMark Shellenbaum } 36670a586ceaSMark Shellenbaum 36680a586ceaSMark Shellenbaum if ((zace.z_hdr.z_flags & ACE_TYPE_FLAGS) == 0 || 36690a586ceaSMark Shellenbaum (zace.z_hdr.z_flags & ACE_TYPE_FLAGS) == ACE_IDENTIFIER_GROUP) 36700a586ceaSMark Shellenbaum id = zace.z_fuid; 36710a586ceaSMark Shellenbaum else 36720a586ceaSMark Shellenbaum id = -1; 36730a586ceaSMark Shellenbaum 36740a586ceaSMark Shellenbaum return (zfs_ace_print_common(addr, flags, id, zace.z_hdr.z_access_mask, 36750a586ceaSMark Shellenbaum zace.z_hdr.z_flags, zace.z_hdr.z_type, verbose)); 36760a586ceaSMark Shellenbaum } 36770a586ceaSMark Shellenbaum 36780a586ceaSMark Shellenbaum /* ARGSUSED */ 36790a586ceaSMark Shellenbaum static int 36800a586ceaSMark Shellenbaum zfs_ace0_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 36810a586ceaSMark Shellenbaum { 36820a586ceaSMark Shellenbaum ace_t ace; 36830a586ceaSMark Shellenbaum uint64_t id; 36840a586ceaSMark Shellenbaum int verbose = FALSE; 36850a586ceaSMark Shellenbaum 36860a586ceaSMark Shellenbaum if (!(flags & DCMD_ADDRSPEC)) 36870a586ceaSMark Shellenbaum return (DCMD_USAGE); 36880a586ceaSMark Shellenbaum 36890a586ceaSMark Shellenbaum if (mdb_getopts(argc, argv, 36900a586ceaSMark Shellenbaum 'v', MDB_OPT_SETBITS, TRUE, &verbose, TRUE, NULL) != argc) 36910a586ceaSMark Shellenbaum return (DCMD_USAGE); 36920a586ceaSMark Shellenbaum 36930a586ceaSMark Shellenbaum if (mdb_vread(&ace, sizeof (ace_t), addr) == -1) { 36940a586ceaSMark Shellenbaum mdb_warn("failed to read ace_t"); 36950a586ceaSMark Shellenbaum return (DCMD_ERR); 36960a586ceaSMark Shellenbaum } 36970a586ceaSMark Shellenbaum 36980a586ceaSMark Shellenbaum if ((ace.a_flags & ACE_TYPE_FLAGS) == 0 || 36990a586ceaSMark Shellenbaum (ace.a_flags & ACE_TYPE_FLAGS) == ACE_IDENTIFIER_GROUP) 37000a586ceaSMark Shellenbaum id = ace.a_who; 37010a586ceaSMark Shellenbaum else 37020a586ceaSMark Shellenbaum id = -1; 37030a586ceaSMark Shellenbaum 37040a586ceaSMark Shellenbaum return (zfs_ace_print_common(addr, flags, id, ace.a_access_mask, 37050a586ceaSMark Shellenbaum ace.a_flags, ace.a_type, verbose)); 37060a586ceaSMark Shellenbaum } 37070a586ceaSMark Shellenbaum 37080a586ceaSMark Shellenbaum typedef struct acl_dump_args { 37090a586ceaSMark Shellenbaum int a_argc; 37100a586ceaSMark Shellenbaum const mdb_arg_t *a_argv; 37110a586ceaSMark Shellenbaum uint16_t a_version; 37120a586ceaSMark Shellenbaum int a_flags; 37130a586ceaSMark Shellenbaum } acl_dump_args_t; 37140a586ceaSMark Shellenbaum 37150a586ceaSMark Shellenbaum /* ARGSUSED */ 37160a586ceaSMark Shellenbaum static int 37170a586ceaSMark Shellenbaum acl_aces_cb(uintptr_t addr, const void *unknown, void *arg) 37180a586ceaSMark Shellenbaum { 37190a586ceaSMark Shellenbaum acl_dump_args_t *acl_args = (acl_dump_args_t *)arg; 37200a586ceaSMark Shellenbaum 37210a586ceaSMark Shellenbaum if (acl_args->a_version == 1) { 37220a586ceaSMark Shellenbaum if (mdb_call_dcmd("zfs_ace", addr, 37230a586ceaSMark Shellenbaum DCMD_ADDRSPEC|acl_args->a_flags, acl_args->a_argc, 37240a586ceaSMark Shellenbaum acl_args->a_argv) != DCMD_OK) { 37250a586ceaSMark Shellenbaum return (WALK_ERR); 37260a586ceaSMark Shellenbaum } 37270a586ceaSMark Shellenbaum } else { 37280a586ceaSMark Shellenbaum if (mdb_call_dcmd("zfs_ace0", addr, 37290a586ceaSMark Shellenbaum DCMD_ADDRSPEC|acl_args->a_flags, acl_args->a_argc, 37300a586ceaSMark Shellenbaum acl_args->a_argv) != DCMD_OK) { 37310a586ceaSMark Shellenbaum return (WALK_ERR); 37320a586ceaSMark Shellenbaum } 37330a586ceaSMark Shellenbaum } 37340a586ceaSMark Shellenbaum acl_args->a_flags = DCMD_LOOP; 37350a586ceaSMark Shellenbaum return (WALK_NEXT); 37360a586ceaSMark Shellenbaum } 37370a586ceaSMark Shellenbaum 37380a586ceaSMark Shellenbaum /* ARGSUSED */ 37390a586ceaSMark Shellenbaum static int 37400a586ceaSMark Shellenbaum acl_cb(uintptr_t addr, const void *unknown, void *arg) 37410a586ceaSMark Shellenbaum { 37420a586ceaSMark Shellenbaum acl_dump_args_t *acl_args = (acl_dump_args_t *)arg; 37430a586ceaSMark Shellenbaum 37440a586ceaSMark Shellenbaum if (acl_args->a_version == 1) { 37450a586ceaSMark Shellenbaum if (mdb_pwalk("zfs_acl_node_aces", acl_aces_cb, 37460a586ceaSMark Shellenbaum arg, addr) != 0) { 37470a586ceaSMark Shellenbaum mdb_warn("can't walk ACEs"); 37480a586ceaSMark Shellenbaum return (DCMD_ERR); 37490a586ceaSMark Shellenbaum } 37500a586ceaSMark Shellenbaum } else { 37510a586ceaSMark Shellenbaum if (mdb_pwalk("zfs_acl_node_aces0", acl_aces_cb, 37520a586ceaSMark Shellenbaum arg, addr) != 0) { 37530a586ceaSMark Shellenbaum mdb_warn("can't walk ACEs"); 37540a586ceaSMark Shellenbaum return (DCMD_ERR); 37550a586ceaSMark Shellenbaum } 37560a586ceaSMark Shellenbaum } 37570a586ceaSMark Shellenbaum return (WALK_NEXT); 37580a586ceaSMark Shellenbaum } 37590a586ceaSMark Shellenbaum 37600a586ceaSMark Shellenbaum /* ARGSUSED */ 37610a586ceaSMark Shellenbaum static int 37620a586ceaSMark Shellenbaum zfs_acl_dump(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 37630a586ceaSMark Shellenbaum { 37640a586ceaSMark Shellenbaum zfs_acl_t zacl; 37650a586ceaSMark Shellenbaum int verbose = FALSE; 37660a586ceaSMark Shellenbaum acl_dump_args_t acl_args; 37670a586ceaSMark Shellenbaum 37680a586ceaSMark Shellenbaum if (!(flags & DCMD_ADDRSPEC)) 37690a586ceaSMark Shellenbaum return (DCMD_USAGE); 37700a586ceaSMark Shellenbaum 37710a586ceaSMark Shellenbaum if (mdb_getopts(argc, argv, 37723b442230SJordan Paige Hendricks 'v', MDB_OPT_SETBITS, TRUE, &verbose, NULL) != argc) 37730a586ceaSMark Shellenbaum return (DCMD_USAGE); 37740a586ceaSMark Shellenbaum 37750a586ceaSMark Shellenbaum if (mdb_vread(&zacl, sizeof (zfs_acl_t), addr) == -1) { 37760a586ceaSMark Shellenbaum mdb_warn("failed to read zfs_acl_t"); 37770a586ceaSMark Shellenbaum return (DCMD_ERR); 37780a586ceaSMark Shellenbaum } 37790a586ceaSMark Shellenbaum 37800a586ceaSMark Shellenbaum acl_args.a_argc = argc; 37810a586ceaSMark Shellenbaum acl_args.a_argv = argv; 37820a586ceaSMark Shellenbaum acl_args.a_version = zacl.z_version; 37830a586ceaSMark Shellenbaum acl_args.a_flags = DCMD_LOOPFIRST; 37840a586ceaSMark Shellenbaum 37850a586ceaSMark Shellenbaum if (mdb_pwalk("zfs_acl_node", acl_cb, &acl_args, addr) != 0) { 37860a586ceaSMark Shellenbaum mdb_warn("can't walk ACL"); 37870a586ceaSMark Shellenbaum return (DCMD_ERR); 37880a586ceaSMark Shellenbaum } 37890a586ceaSMark Shellenbaum 37900a586ceaSMark Shellenbaum return (DCMD_OK); 37910a586ceaSMark Shellenbaum } 37920a586ceaSMark Shellenbaum 37930a586ceaSMark Shellenbaum /* ARGSUSED */ 37940a586ceaSMark Shellenbaum static int 37950a586ceaSMark Shellenbaum zfs_acl_node_walk_init(mdb_walk_state_t *wsp) 37960a586ceaSMark Shellenbaum { 3797892ad162SToomas Soome if (wsp->walk_addr == 0) { 37980a586ceaSMark Shellenbaum mdb_warn("must supply address of zfs_acl_node_t\n"); 37990a586ceaSMark Shellenbaum return (WALK_ERR); 38000a586ceaSMark Shellenbaum } 38010a586ceaSMark Shellenbaum 380228e4da25SMatthew Ahrens wsp->walk_addr += 380328e4da25SMatthew Ahrens mdb_ctf_offsetof_by_name(ZFS_STRUCT "zfs_acl", "z_acl"); 38040a586ceaSMark Shellenbaum 38050a586ceaSMark Shellenbaum if (mdb_layered_walk("list", wsp) == -1) { 38060a586ceaSMark Shellenbaum mdb_warn("failed to walk 'list'\n"); 38070a586ceaSMark Shellenbaum return (WALK_ERR); 38080a586ceaSMark Shellenbaum } 38090a586ceaSMark Shellenbaum 38100a586ceaSMark Shellenbaum return (WALK_NEXT); 38110a586ceaSMark Shellenbaum } 38120a586ceaSMark Shellenbaum 38130a586ceaSMark Shellenbaum static int 38140a586ceaSMark Shellenbaum zfs_acl_node_walk_step(mdb_walk_state_t *wsp) 38150a586ceaSMark Shellenbaum { 38160a586ceaSMark Shellenbaum zfs_acl_node_t aclnode; 38170a586ceaSMark Shellenbaum 38180a586ceaSMark Shellenbaum if (mdb_vread(&aclnode, sizeof (zfs_acl_node_t), 38190a586ceaSMark Shellenbaum wsp->walk_addr) == -1) { 38200a586ceaSMark Shellenbaum mdb_warn("failed to read zfs_acl_node at %p", wsp->walk_addr); 38210a586ceaSMark Shellenbaum return (WALK_ERR); 38220a586ceaSMark Shellenbaum } 38230a586ceaSMark Shellenbaum 38240a586ceaSMark Shellenbaum return (wsp->walk_callback(wsp->walk_addr, &aclnode, wsp->walk_cbdata)); 38250a586ceaSMark Shellenbaum } 38260a586ceaSMark Shellenbaum 38270a586ceaSMark Shellenbaum typedef struct ace_walk_data { 38280a586ceaSMark Shellenbaum int ace_count; 38290a586ceaSMark Shellenbaum int ace_version; 38300a586ceaSMark Shellenbaum } ace_walk_data_t; 38310a586ceaSMark Shellenbaum 38320a586ceaSMark Shellenbaum static int 38330a586ceaSMark Shellenbaum zfs_aces_walk_init_common(mdb_walk_state_t *wsp, int version, 38340a586ceaSMark Shellenbaum int ace_count, uintptr_t ace_data) 38350a586ceaSMark Shellenbaum { 38360a586ceaSMark Shellenbaum ace_walk_data_t *ace_walk_data; 38370a586ceaSMark Shellenbaum 3838892ad162SToomas Soome if (wsp->walk_addr == 0) { 38390a586ceaSMark Shellenbaum mdb_warn("must supply address of zfs_acl_node_t\n"); 38400a586ceaSMark Shellenbaum return (WALK_ERR); 38410a586ceaSMark Shellenbaum } 38420a586ceaSMark Shellenbaum 38430a586ceaSMark Shellenbaum ace_walk_data = mdb_alloc(sizeof (ace_walk_data_t), UM_SLEEP | UM_GC); 38440a586ceaSMark Shellenbaum 38450a586ceaSMark Shellenbaum ace_walk_data->ace_count = ace_count; 38460a586ceaSMark Shellenbaum ace_walk_data->ace_version = version; 38470a586ceaSMark Shellenbaum 38480a586ceaSMark Shellenbaum wsp->walk_addr = ace_data; 38490a586ceaSMark Shellenbaum wsp->walk_data = ace_walk_data; 38500a586ceaSMark Shellenbaum 38510a586ceaSMark Shellenbaum return (WALK_NEXT); 38520a586ceaSMark Shellenbaum } 38530a586ceaSMark Shellenbaum 38540a586ceaSMark Shellenbaum static int 38550a586ceaSMark Shellenbaum zfs_acl_node_aces_walk_init_common(mdb_walk_state_t *wsp, int version) 38560a586ceaSMark Shellenbaum { 38570a586ceaSMark Shellenbaum static int gotid; 38580a586ceaSMark Shellenbaum static mdb_ctf_id_t acl_id; 38590a586ceaSMark Shellenbaum int z_ace_count; 38600a586ceaSMark Shellenbaum uintptr_t z_acldata; 38610a586ceaSMark Shellenbaum 38620a586ceaSMark Shellenbaum if (!gotid) { 38630a586ceaSMark Shellenbaum if (mdb_ctf_lookup_by_name("struct zfs_acl_node", 38640a586ceaSMark Shellenbaum &acl_id) == -1) { 38650a586ceaSMark Shellenbaum mdb_warn("couldn't find struct zfs_acl_node"); 38660a586ceaSMark Shellenbaum return (DCMD_ERR); 38670a586ceaSMark Shellenbaum } 38680a586ceaSMark Shellenbaum gotid = TRUE; 38690a586ceaSMark Shellenbaum } 38700a586ceaSMark Shellenbaum 38710a586ceaSMark Shellenbaum if (GETMEMBID(wsp->walk_addr, &acl_id, z_ace_count, z_ace_count)) { 38720a586ceaSMark Shellenbaum return (DCMD_ERR); 38730a586ceaSMark Shellenbaum } 38740a586ceaSMark Shellenbaum if (GETMEMBID(wsp->walk_addr, &acl_id, z_acldata, z_acldata)) { 38750a586ceaSMark Shellenbaum return (DCMD_ERR); 38760a586ceaSMark Shellenbaum } 38770a586ceaSMark Shellenbaum 38780a586ceaSMark Shellenbaum return (zfs_aces_walk_init_common(wsp, version, 38790a586ceaSMark Shellenbaum z_ace_count, z_acldata)); 38800a586ceaSMark Shellenbaum } 38810a586ceaSMark Shellenbaum 38820a586ceaSMark Shellenbaum /* ARGSUSED */ 38830a586ceaSMark Shellenbaum static int 38840a586ceaSMark Shellenbaum zfs_acl_node_aces_walk_init(mdb_walk_state_t *wsp) 38850a586ceaSMark Shellenbaum { 38860a586ceaSMark Shellenbaum return (zfs_acl_node_aces_walk_init_common(wsp, 1)); 38870a586ceaSMark Shellenbaum } 38880a586ceaSMark Shellenbaum 38890a586ceaSMark Shellenbaum /* ARGSUSED */ 38900a586ceaSMark Shellenbaum static int 38910a586ceaSMark Shellenbaum zfs_acl_node_aces0_walk_init(mdb_walk_state_t *wsp) 38920a586ceaSMark Shellenbaum { 38930a586ceaSMark Shellenbaum return (zfs_acl_node_aces_walk_init_common(wsp, 0)); 38940a586ceaSMark Shellenbaum } 38950a586ceaSMark Shellenbaum 38960a586ceaSMark Shellenbaum static int 38970a586ceaSMark Shellenbaum zfs_aces_walk_step(mdb_walk_state_t *wsp) 38980a586ceaSMark Shellenbaum { 38990a586ceaSMark Shellenbaum ace_walk_data_t *ace_data = wsp->walk_data; 39000a586ceaSMark Shellenbaum zfs_ace_t zace; 39010a586ceaSMark Shellenbaum ace_t *acep; 39020a586ceaSMark Shellenbaum int status; 39030a586ceaSMark Shellenbaum int entry_type; 39040a586ceaSMark Shellenbaum int allow_type; 39050a586ceaSMark Shellenbaum uintptr_t ptr; 39060a586ceaSMark Shellenbaum 39070a586ceaSMark Shellenbaum if (ace_data->ace_count == 0) 39080a586ceaSMark Shellenbaum return (WALK_DONE); 39090a586ceaSMark Shellenbaum 39100a586ceaSMark Shellenbaum if (mdb_vread(&zace, sizeof (zfs_ace_t), wsp->walk_addr) == -1) { 39110a586ceaSMark Shellenbaum mdb_warn("failed to read zfs_ace_t at %#lx", 39120a586ceaSMark Shellenbaum wsp->walk_addr); 39130a586ceaSMark Shellenbaum return (WALK_ERR); 39140a586ceaSMark Shellenbaum } 39150a586ceaSMark Shellenbaum 39160a586ceaSMark Shellenbaum switch (ace_data->ace_version) { 39170a586ceaSMark Shellenbaum case 0: 39180a586ceaSMark Shellenbaum acep = (ace_t *)&zace; 39190a586ceaSMark Shellenbaum entry_type = acep->a_flags & ACE_TYPE_FLAGS; 39200a586ceaSMark Shellenbaum allow_type = acep->a_type; 39210a586ceaSMark Shellenbaum break; 39220a586ceaSMark Shellenbaum case 1: 39230a586ceaSMark Shellenbaum entry_type = zace.z_hdr.z_flags & ACE_TYPE_FLAGS; 39240a586ceaSMark Shellenbaum allow_type = zace.z_hdr.z_type; 39250a586ceaSMark Shellenbaum break; 39260a586ceaSMark Shellenbaum default: 39270a586ceaSMark Shellenbaum return (WALK_ERR); 39280a586ceaSMark Shellenbaum } 39290a586ceaSMark Shellenbaum 39300a586ceaSMark Shellenbaum ptr = (uintptr_t)wsp->walk_addr; 39310a586ceaSMark Shellenbaum switch (entry_type) { 39320a586ceaSMark Shellenbaum case ACE_OWNER: 39330a586ceaSMark Shellenbaum case ACE_EVERYONE: 39340a586ceaSMark Shellenbaum case (ACE_IDENTIFIER_GROUP | ACE_GROUP): 39350a586ceaSMark Shellenbaum ptr += ace_data->ace_version == 0 ? 39360a586ceaSMark Shellenbaum sizeof (ace_t) : sizeof (zfs_ace_hdr_t); 39370a586ceaSMark Shellenbaum break; 39380a586ceaSMark Shellenbaum case ACE_IDENTIFIER_GROUP: 39390a586ceaSMark Shellenbaum default: 39400a586ceaSMark Shellenbaum switch (allow_type) { 39410a586ceaSMark Shellenbaum case ACE_ACCESS_ALLOWED_OBJECT_ACE_TYPE: 39420a586ceaSMark Shellenbaum case ACE_ACCESS_DENIED_OBJECT_ACE_TYPE: 39430a586ceaSMark Shellenbaum case ACE_SYSTEM_AUDIT_OBJECT_ACE_TYPE: 39440a586ceaSMark Shellenbaum case ACE_SYSTEM_ALARM_OBJECT_ACE_TYPE: 39450a586ceaSMark Shellenbaum ptr += ace_data->ace_version == 0 ? 39460a586ceaSMark Shellenbaum sizeof (ace_t) : sizeof (zfs_object_ace_t); 39470a586ceaSMark Shellenbaum break; 39480a586ceaSMark Shellenbaum default: 39490a586ceaSMark Shellenbaum ptr += ace_data->ace_version == 0 ? 39500a586ceaSMark Shellenbaum sizeof (ace_t) : sizeof (zfs_ace_t); 39510a586ceaSMark Shellenbaum break; 39520a586ceaSMark Shellenbaum } 39530a586ceaSMark Shellenbaum } 39540a586ceaSMark Shellenbaum 39550a586ceaSMark Shellenbaum ace_data->ace_count--; 39560a586ceaSMark Shellenbaum status = wsp->walk_callback(wsp->walk_addr, 39570a586ceaSMark Shellenbaum (void *)(uintptr_t)&zace, wsp->walk_cbdata); 39580a586ceaSMark Shellenbaum 39590a586ceaSMark Shellenbaum wsp->walk_addr = ptr; 39600a586ceaSMark Shellenbaum return (status); 39610a586ceaSMark Shellenbaum } 39620a586ceaSMark Shellenbaum 396328e4da25SMatthew Ahrens typedef struct mdb_zfs_rrwlock { 3964d5ee8a13SMatthew Ahrens uintptr_t rr_writer; 396528e4da25SMatthew Ahrens boolean_t rr_writer_wanted; 396628e4da25SMatthew Ahrens } mdb_zfs_rrwlock_t; 396728e4da25SMatthew Ahrens 396828e4da25SMatthew Ahrens static uint_t rrw_key; 396928e4da25SMatthew Ahrens 397028e4da25SMatthew Ahrens /* ARGSUSED */ 397128e4da25SMatthew Ahrens static int 397228e4da25SMatthew Ahrens rrwlock(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 397328e4da25SMatthew Ahrens { 397428e4da25SMatthew Ahrens mdb_zfs_rrwlock_t rrw; 397528e4da25SMatthew Ahrens 397628e4da25SMatthew Ahrens if (rrw_key == 0) { 397728e4da25SMatthew Ahrens if (mdb_ctf_readsym(&rrw_key, "uint_t", "rrw_tsd_key", 0) == -1) 397828e4da25SMatthew Ahrens return (DCMD_ERR); 397928e4da25SMatthew Ahrens } 398028e4da25SMatthew Ahrens 398128e4da25SMatthew Ahrens if (mdb_ctf_vread(&rrw, "rrwlock_t", "mdb_zfs_rrwlock_t", addr, 398228e4da25SMatthew Ahrens 0) == -1) 398328e4da25SMatthew Ahrens return (DCMD_ERR); 398428e4da25SMatthew Ahrens 3985d5ee8a13SMatthew Ahrens if (rrw.rr_writer != 0) { 3986d5ee8a13SMatthew Ahrens mdb_printf("write lock held by thread %lx\n", rrw.rr_writer); 398728e4da25SMatthew Ahrens return (DCMD_OK); 398828e4da25SMatthew Ahrens } 398928e4da25SMatthew Ahrens 399028e4da25SMatthew Ahrens if (rrw.rr_writer_wanted) { 399128e4da25SMatthew Ahrens mdb_printf("writer wanted\n"); 399228e4da25SMatthew Ahrens } 399328e4da25SMatthew Ahrens 399428e4da25SMatthew Ahrens mdb_printf("anonymous references:\n"); 39950dd73f50SJason King (void) mdb_call_dcmd("zfs_refcount", addr + 399628e4da25SMatthew Ahrens mdb_ctf_offsetof_by_name(ZFS_STRUCT "rrwlock", "rr_anon_rcount"), 399728e4da25SMatthew Ahrens DCMD_ADDRSPEC, 0, NULL); 399828e4da25SMatthew Ahrens 399928e4da25SMatthew Ahrens mdb_printf("linked references:\n"); 40000dd73f50SJason King (void) mdb_call_dcmd("zfs_refcount", addr + 400128e4da25SMatthew Ahrens mdb_ctf_offsetof_by_name(ZFS_STRUCT "rrwlock", "rr_linked_rcount"), 400228e4da25SMatthew Ahrens DCMD_ADDRSPEC, 0, NULL); 400328e4da25SMatthew Ahrens 400428e4da25SMatthew Ahrens /* 400528e4da25SMatthew Ahrens * XXX This should find references from 400628e4da25SMatthew Ahrens * "::walk thread | ::tsd -v <rrw_key>", but there is no support 400728e4da25SMatthew Ahrens * for programmatic consumption of dcmds, so this would be 400828e4da25SMatthew Ahrens * difficult, potentially requiring reimplementing ::tsd (both 400928e4da25SMatthew Ahrens * user and kernel versions) in this MDB module. 401028e4da25SMatthew Ahrens */ 401128e4da25SMatthew Ahrens 401228e4da25SMatthew Ahrens return (DCMD_OK); 401328e4da25SMatthew Ahrens } 401428e4da25SMatthew Ahrens 4015dcbf3bd6SGeorge Wilson typedef struct mdb_arc_buf_hdr_t { 4016dcbf3bd6SGeorge Wilson uint16_t b_psize; 4017dcbf3bd6SGeorge Wilson uint16_t b_lsize; 4018dcbf3bd6SGeorge Wilson struct { 4019dcbf3bd6SGeorge Wilson uint32_t b_bufcnt; 4020dcbf3bd6SGeorge Wilson uintptr_t b_state; 4021dcbf3bd6SGeorge Wilson } b_l1hdr; 4022dcbf3bd6SGeorge Wilson } mdb_arc_buf_hdr_t; 4023dcbf3bd6SGeorge Wilson 4024dcbf3bd6SGeorge Wilson enum arc_cflags { 4025dcbf3bd6SGeorge Wilson ARC_CFLAG_VERBOSE = 1 << 0, 4026dcbf3bd6SGeorge Wilson ARC_CFLAG_ANON = 1 << 1, 4027dcbf3bd6SGeorge Wilson ARC_CFLAG_MRU = 1 << 2, 4028dcbf3bd6SGeorge Wilson ARC_CFLAG_MFU = 1 << 3, 4029dcbf3bd6SGeorge Wilson ARC_CFLAG_BUFS = 1 << 4, 4030dcbf3bd6SGeorge Wilson }; 4031dcbf3bd6SGeorge Wilson 4032dcbf3bd6SGeorge Wilson typedef struct arc_compression_stats_data { 4033dcbf3bd6SGeorge Wilson GElf_Sym anon_sym; /* ARC_anon symbol */ 4034dcbf3bd6SGeorge Wilson GElf_Sym mru_sym; /* ARC_mru symbol */ 4035dcbf3bd6SGeorge Wilson GElf_Sym mrug_sym; /* ARC_mru_ghost symbol */ 4036dcbf3bd6SGeorge Wilson GElf_Sym mfu_sym; /* ARC_mfu symbol */ 4037dcbf3bd6SGeorge Wilson GElf_Sym mfug_sym; /* ARC_mfu_ghost symbol */ 4038dcbf3bd6SGeorge Wilson GElf_Sym l2c_sym; /* ARC_l2c_only symbol */ 4039dcbf3bd6SGeorge Wilson uint64_t *anon_c_hist; /* histogram of compressed sizes in anon */ 4040dcbf3bd6SGeorge Wilson uint64_t *anon_u_hist; /* histogram of uncompressed sizes in anon */ 4041dcbf3bd6SGeorge Wilson uint64_t *anon_bufs; /* histogram of buffer counts in anon state */ 4042dcbf3bd6SGeorge Wilson uint64_t *mru_c_hist; /* histogram of compressed sizes in mru */ 4043dcbf3bd6SGeorge Wilson uint64_t *mru_u_hist; /* histogram of uncompressed sizes in mru */ 4044dcbf3bd6SGeorge Wilson uint64_t *mru_bufs; /* histogram of buffer counts in mru */ 4045dcbf3bd6SGeorge Wilson uint64_t *mfu_c_hist; /* histogram of compressed sizes in mfu */ 4046dcbf3bd6SGeorge Wilson uint64_t *mfu_u_hist; /* histogram of uncompressed sizes in mfu */ 4047dcbf3bd6SGeorge Wilson uint64_t *mfu_bufs; /* histogram of buffer counts in mfu */ 4048dcbf3bd6SGeorge Wilson uint64_t *all_c_hist; /* histogram of compressed anon + mru + mfu */ 4049dcbf3bd6SGeorge Wilson uint64_t *all_u_hist; /* histogram of uncompressed anon + mru + mfu */ 4050dcbf3bd6SGeorge Wilson uint64_t *all_bufs; /* histogram of buffer counts in all states */ 4051dcbf3bd6SGeorge Wilson int arc_cflags; /* arc compression flags, specified by user */ 4052dcbf3bd6SGeorge Wilson int hist_nbuckets; /* number of buckets in each histogram */ 4053dcbf3bd6SGeorge Wilson } arc_compression_stats_data_t; 4054dcbf3bd6SGeorge Wilson 4055dcbf3bd6SGeorge Wilson int 4056dcbf3bd6SGeorge Wilson highbit64(uint64_t i) 4057dcbf3bd6SGeorge Wilson { 4058dcbf3bd6SGeorge Wilson int h = 1; 4059dcbf3bd6SGeorge Wilson 4060dcbf3bd6SGeorge Wilson if (i == 0) 4061dcbf3bd6SGeorge Wilson return (0); 4062dcbf3bd6SGeorge Wilson if (i & 0xffffffff00000000ULL) { 4063dcbf3bd6SGeorge Wilson h += 32; i >>= 32; 4064dcbf3bd6SGeorge Wilson } 4065dcbf3bd6SGeorge Wilson if (i & 0xffff0000) { 4066dcbf3bd6SGeorge Wilson h += 16; i >>= 16; 4067dcbf3bd6SGeorge Wilson } 4068dcbf3bd6SGeorge Wilson if (i & 0xff00) { 4069dcbf3bd6SGeorge Wilson h += 8; i >>= 8; 4070dcbf3bd6SGeorge Wilson } 4071dcbf3bd6SGeorge Wilson if (i & 0xf0) { 4072dcbf3bd6SGeorge Wilson h += 4; i >>= 4; 4073dcbf3bd6SGeorge Wilson } 4074dcbf3bd6SGeorge Wilson if (i & 0xc) { 4075dcbf3bd6SGeorge Wilson h += 2; i >>= 2; 4076dcbf3bd6SGeorge Wilson } 4077dcbf3bd6SGeorge Wilson if (i & 0x2) { 4078dcbf3bd6SGeorge Wilson h += 1; 4079dcbf3bd6SGeorge Wilson } 4080dcbf3bd6SGeorge Wilson return (h); 4081dcbf3bd6SGeorge Wilson } 4082dcbf3bd6SGeorge Wilson 4083dcbf3bd6SGeorge Wilson /* ARGSUSED */ 4084dcbf3bd6SGeorge Wilson static int 4085dcbf3bd6SGeorge Wilson arc_compression_stats_cb(uintptr_t addr, const void *unknown, void *arg) 4086dcbf3bd6SGeorge Wilson { 4087dcbf3bd6SGeorge Wilson arc_compression_stats_data_t *data = arg; 4088dcbf3bd6SGeorge Wilson mdb_arc_buf_hdr_t hdr; 4089dcbf3bd6SGeorge Wilson int cbucket, ubucket, bufcnt; 4090dcbf3bd6SGeorge Wilson 4091dcbf3bd6SGeorge Wilson if (mdb_ctf_vread(&hdr, "arc_buf_hdr_t", "mdb_arc_buf_hdr_t", 4092dcbf3bd6SGeorge Wilson addr, 0) == -1) { 4093dcbf3bd6SGeorge Wilson return (WALK_ERR); 4094dcbf3bd6SGeorge Wilson } 4095dcbf3bd6SGeorge Wilson 4096dcbf3bd6SGeorge Wilson /* 4097dcbf3bd6SGeorge Wilson * Headers in the ghost states, or the l2c_only state don't have 4098dcbf3bd6SGeorge Wilson * arc buffers linked off of them. Thus, their compressed size 4099dcbf3bd6SGeorge Wilson * is meaningless, so we skip these from the stats. 4100dcbf3bd6SGeorge Wilson */ 4101dcbf3bd6SGeorge Wilson if (hdr.b_l1hdr.b_state == data->mrug_sym.st_value || 4102dcbf3bd6SGeorge Wilson hdr.b_l1hdr.b_state == data->mfug_sym.st_value || 4103dcbf3bd6SGeorge Wilson hdr.b_l1hdr.b_state == data->l2c_sym.st_value) { 4104dcbf3bd6SGeorge Wilson return (WALK_NEXT); 4105dcbf3bd6SGeorge Wilson } 4106dcbf3bd6SGeorge Wilson 4107dcbf3bd6SGeorge Wilson /* 4108dcbf3bd6SGeorge Wilson * The physical size (compressed) and logical size 4109dcbf3bd6SGeorge Wilson * (uncompressed) are in units of SPA_MINBLOCKSIZE. By default, 4110dcbf3bd6SGeorge Wilson * we use the log2 of this value (rounded down to the nearest 4111dcbf3bd6SGeorge Wilson * integer) to determine the bucket to assign this header to. 4112dcbf3bd6SGeorge Wilson * Thus, the histogram is logarithmic with respect to the size 4113dcbf3bd6SGeorge Wilson * of the header. For example, the following is a mapping of the 4114dcbf3bd6SGeorge Wilson * bucket numbers and the range of header sizes they correspond to: 4115dcbf3bd6SGeorge Wilson * 4116dcbf3bd6SGeorge Wilson * 0: 0 byte headers 4117dcbf3bd6SGeorge Wilson * 1: 512 byte headers 4118dcbf3bd6SGeorge Wilson * 2: [1024 - 2048) byte headers 4119dcbf3bd6SGeorge Wilson * 3: [2048 - 4096) byte headers 4120dcbf3bd6SGeorge Wilson * 4: [4096 - 8192) byte headers 4121dcbf3bd6SGeorge Wilson * 5: [8192 - 16394) byte headers 4122dcbf3bd6SGeorge Wilson * 6: [16384 - 32768) byte headers 4123dcbf3bd6SGeorge Wilson * 7: [32768 - 65536) byte headers 4124dcbf3bd6SGeorge Wilson * 8: [65536 - 131072) byte headers 4125dcbf3bd6SGeorge Wilson * 9: 131072 byte headers 4126dcbf3bd6SGeorge Wilson * 4127dcbf3bd6SGeorge Wilson * If the ARC_CFLAG_VERBOSE flag was specified, we use the 4128dcbf3bd6SGeorge Wilson * physical and logical sizes directly. Thus, the histogram will 4129dcbf3bd6SGeorge Wilson * no longer be logarithmic; instead it will be linear with 4130dcbf3bd6SGeorge Wilson * respect to the size of the header. The following is a mapping 4131dcbf3bd6SGeorge Wilson * of the first many bucket numbers and the header size they 4132dcbf3bd6SGeorge Wilson * correspond to: 4133dcbf3bd6SGeorge Wilson * 4134dcbf3bd6SGeorge Wilson * 0: 0 byte headers 4135dcbf3bd6SGeorge Wilson * 1: 512 byte headers 4136dcbf3bd6SGeorge Wilson * 2: 1024 byte headers 4137dcbf3bd6SGeorge Wilson * 3: 1536 byte headers 4138dcbf3bd6SGeorge Wilson * 4: 2048 byte headers 4139dcbf3bd6SGeorge Wilson * 5: 2560 byte headers 4140dcbf3bd6SGeorge Wilson * 6: 3072 byte headers 4141dcbf3bd6SGeorge Wilson * 4142dcbf3bd6SGeorge Wilson * And so on. Keep in mind that a range of sizes isn't used in 4143dcbf3bd6SGeorge Wilson * the case of linear scale because the headers can only 4144dcbf3bd6SGeorge Wilson * increment or decrement in sizes of 512 bytes. So, it's not 4145dcbf3bd6SGeorge Wilson * possible for a header to be sized in between whats listed 4146dcbf3bd6SGeorge Wilson * above. 4147dcbf3bd6SGeorge Wilson * 4148dcbf3bd6SGeorge Wilson * Also, the above mapping values were calculated assuming a 4149dcbf3bd6SGeorge Wilson * SPA_MINBLOCKSHIFT of 512 bytes and a SPA_MAXBLOCKSIZE of 128K. 4150dcbf3bd6SGeorge Wilson */ 4151dcbf3bd6SGeorge Wilson 4152dcbf3bd6SGeorge Wilson if (data->arc_cflags & ARC_CFLAG_VERBOSE) { 4153dcbf3bd6SGeorge Wilson cbucket = hdr.b_psize; 4154dcbf3bd6SGeorge Wilson ubucket = hdr.b_lsize; 4155dcbf3bd6SGeorge Wilson } else { 4156dcbf3bd6SGeorge Wilson cbucket = highbit64(hdr.b_psize); 4157dcbf3bd6SGeorge Wilson ubucket = highbit64(hdr.b_lsize); 4158dcbf3bd6SGeorge Wilson } 4159dcbf3bd6SGeorge Wilson 4160dcbf3bd6SGeorge Wilson bufcnt = hdr.b_l1hdr.b_bufcnt; 4161dcbf3bd6SGeorge Wilson if (bufcnt >= data->hist_nbuckets) 4162dcbf3bd6SGeorge Wilson bufcnt = data->hist_nbuckets - 1; 4163dcbf3bd6SGeorge Wilson 4164dcbf3bd6SGeorge Wilson /* Ensure we stay within the bounds of the histogram array */ 4165dcbf3bd6SGeorge Wilson ASSERT3U(cbucket, <, data->hist_nbuckets); 4166dcbf3bd6SGeorge Wilson ASSERT3U(ubucket, <, data->hist_nbuckets); 4167dcbf3bd6SGeorge Wilson 4168dcbf3bd6SGeorge Wilson if (hdr.b_l1hdr.b_state == data->anon_sym.st_value) { 4169dcbf3bd6SGeorge Wilson data->anon_c_hist[cbucket]++; 4170dcbf3bd6SGeorge Wilson data->anon_u_hist[ubucket]++; 4171dcbf3bd6SGeorge Wilson data->anon_bufs[bufcnt]++; 4172dcbf3bd6SGeorge Wilson } else if (hdr.b_l1hdr.b_state == data->mru_sym.st_value) { 4173dcbf3bd6SGeorge Wilson data->mru_c_hist[cbucket]++; 4174dcbf3bd6SGeorge Wilson data->mru_u_hist[ubucket]++; 4175dcbf3bd6SGeorge Wilson data->mru_bufs[bufcnt]++; 4176dcbf3bd6SGeorge Wilson } else if (hdr.b_l1hdr.b_state == data->mfu_sym.st_value) { 4177dcbf3bd6SGeorge Wilson data->mfu_c_hist[cbucket]++; 4178dcbf3bd6SGeorge Wilson data->mfu_u_hist[ubucket]++; 4179dcbf3bd6SGeorge Wilson data->mfu_bufs[bufcnt]++; 4180dcbf3bd6SGeorge Wilson } 4181dcbf3bd6SGeorge Wilson 4182dcbf3bd6SGeorge Wilson data->all_c_hist[cbucket]++; 4183dcbf3bd6SGeorge Wilson data->all_u_hist[ubucket]++; 4184dcbf3bd6SGeorge Wilson data->all_bufs[bufcnt]++; 4185dcbf3bd6SGeorge Wilson 4186dcbf3bd6SGeorge Wilson return (WALK_NEXT); 4187dcbf3bd6SGeorge Wilson } 4188dcbf3bd6SGeorge Wilson 4189dcbf3bd6SGeorge Wilson /* ARGSUSED */ 4190dcbf3bd6SGeorge Wilson static int 4191dcbf3bd6SGeorge Wilson arc_compression_stats(uintptr_t addr, uint_t flags, int argc, 4192dcbf3bd6SGeorge Wilson const mdb_arg_t *argv) 4193dcbf3bd6SGeorge Wilson { 4194dcbf3bd6SGeorge Wilson arc_compression_stats_data_t data = { 0 }; 4195dcbf3bd6SGeorge Wilson unsigned int max_shifted = SPA_MAXBLOCKSIZE >> SPA_MINBLOCKSHIFT; 4196dcbf3bd6SGeorge Wilson unsigned int hist_size; 4197dcbf3bd6SGeorge Wilson char range[32]; 4198dcbf3bd6SGeorge Wilson int rc = DCMD_OK; 4199dcbf3bd6SGeorge Wilson 4200dcbf3bd6SGeorge Wilson if (mdb_getopts(argc, argv, 4201dcbf3bd6SGeorge Wilson 'v', MDB_OPT_SETBITS, ARC_CFLAG_VERBOSE, &data.arc_cflags, 4202dcbf3bd6SGeorge Wilson 'a', MDB_OPT_SETBITS, ARC_CFLAG_ANON, &data.arc_cflags, 4203dcbf3bd6SGeorge Wilson 'b', MDB_OPT_SETBITS, ARC_CFLAG_BUFS, &data.arc_cflags, 4204dcbf3bd6SGeorge Wilson 'r', MDB_OPT_SETBITS, ARC_CFLAG_MRU, &data.arc_cflags, 42053b442230SJordan Paige Hendricks 'f', MDB_OPT_SETBITS, ARC_CFLAG_MFU, &data.arc_cflags, 42063b442230SJordan Paige Hendricks NULL) != argc) 4207dcbf3bd6SGeorge Wilson return (DCMD_USAGE); 4208dcbf3bd6SGeorge Wilson 4209dcbf3bd6SGeorge Wilson if (mdb_lookup_by_obj(ZFS_OBJ_NAME, "ARC_anon", &data.anon_sym) || 4210dcbf3bd6SGeorge Wilson mdb_lookup_by_obj(ZFS_OBJ_NAME, "ARC_mru", &data.mru_sym) || 4211dcbf3bd6SGeorge Wilson mdb_lookup_by_obj(ZFS_OBJ_NAME, "ARC_mru_ghost", &data.mrug_sym) || 4212dcbf3bd6SGeorge Wilson mdb_lookup_by_obj(ZFS_OBJ_NAME, "ARC_mfu", &data.mfu_sym) || 4213dcbf3bd6SGeorge Wilson mdb_lookup_by_obj(ZFS_OBJ_NAME, "ARC_mfu_ghost", &data.mfug_sym) || 4214dcbf3bd6SGeorge Wilson mdb_lookup_by_obj(ZFS_OBJ_NAME, "ARC_l2c_only", &data.l2c_sym)) { 4215dcbf3bd6SGeorge Wilson mdb_warn("can't find arc state symbol"); 4216dcbf3bd6SGeorge Wilson return (DCMD_ERR); 4217dcbf3bd6SGeorge Wilson } 4218dcbf3bd6SGeorge Wilson 4219dcbf3bd6SGeorge Wilson /* 4220dcbf3bd6SGeorge Wilson * Determine the maximum expected size for any header, and use 4221dcbf3bd6SGeorge Wilson * this to determine the number of buckets needed for each 4222dcbf3bd6SGeorge Wilson * histogram. If ARC_CFLAG_VERBOSE is specified, this value is 4223dcbf3bd6SGeorge Wilson * used directly; otherwise the log2 of the maximum size is 4224dcbf3bd6SGeorge Wilson * used. Thus, if using a log2 scale there's a maximum of 10 4225dcbf3bd6SGeorge Wilson * possible buckets, while the linear scale (when using 4226dcbf3bd6SGeorge Wilson * ARC_CFLAG_VERBOSE) has a maximum of 257 buckets. 4227dcbf3bd6SGeorge Wilson */ 4228dcbf3bd6SGeorge Wilson if (data.arc_cflags & ARC_CFLAG_VERBOSE) 4229dcbf3bd6SGeorge Wilson data.hist_nbuckets = max_shifted + 1; 4230dcbf3bd6SGeorge Wilson else 4231dcbf3bd6SGeorge Wilson data.hist_nbuckets = highbit64(max_shifted) + 1; 4232dcbf3bd6SGeorge Wilson 4233dcbf3bd6SGeorge Wilson hist_size = sizeof (uint64_t) * data.hist_nbuckets; 4234dcbf3bd6SGeorge Wilson 4235dcbf3bd6SGeorge Wilson data.anon_c_hist = mdb_zalloc(hist_size, UM_SLEEP); 4236dcbf3bd6SGeorge Wilson data.anon_u_hist = mdb_zalloc(hist_size, UM_SLEEP); 4237dcbf3bd6SGeorge Wilson data.anon_bufs = mdb_zalloc(hist_size, UM_SLEEP); 4238dcbf3bd6SGeorge Wilson 4239dcbf3bd6SGeorge Wilson data.mru_c_hist = mdb_zalloc(hist_size, UM_SLEEP); 4240dcbf3bd6SGeorge Wilson data.mru_u_hist = mdb_zalloc(hist_size, UM_SLEEP); 4241dcbf3bd6SGeorge Wilson data.mru_bufs = mdb_zalloc(hist_size, UM_SLEEP); 4242dcbf3bd6SGeorge Wilson 4243dcbf3bd6SGeorge Wilson data.mfu_c_hist = mdb_zalloc(hist_size, UM_SLEEP); 4244dcbf3bd6SGeorge Wilson data.mfu_u_hist = mdb_zalloc(hist_size, UM_SLEEP); 4245dcbf3bd6SGeorge Wilson data.mfu_bufs = mdb_zalloc(hist_size, UM_SLEEP); 4246dcbf3bd6SGeorge Wilson 4247dcbf3bd6SGeorge Wilson data.all_c_hist = mdb_zalloc(hist_size, UM_SLEEP); 4248dcbf3bd6SGeorge Wilson data.all_u_hist = mdb_zalloc(hist_size, UM_SLEEP); 4249dcbf3bd6SGeorge Wilson data.all_bufs = mdb_zalloc(hist_size, UM_SLEEP); 4250dcbf3bd6SGeorge Wilson 4251dcbf3bd6SGeorge Wilson if (mdb_walk("arc_buf_hdr_t_full", arc_compression_stats_cb, 4252dcbf3bd6SGeorge Wilson &data) != 0) { 4253dcbf3bd6SGeorge Wilson mdb_warn("can't walk arc_buf_hdr's"); 4254dcbf3bd6SGeorge Wilson rc = DCMD_ERR; 4255dcbf3bd6SGeorge Wilson goto out; 4256dcbf3bd6SGeorge Wilson } 4257dcbf3bd6SGeorge Wilson 4258dcbf3bd6SGeorge Wilson if (data.arc_cflags & ARC_CFLAG_VERBOSE) { 4259dcbf3bd6SGeorge Wilson rc = mdb_snprintf(range, sizeof (range), 4260dcbf3bd6SGeorge Wilson "[n*%llu, (n+1)*%llu)", SPA_MINBLOCKSIZE, 4261dcbf3bd6SGeorge Wilson SPA_MINBLOCKSIZE); 4262dcbf3bd6SGeorge Wilson } else { 4263dcbf3bd6SGeorge Wilson rc = mdb_snprintf(range, sizeof (range), 4264dcbf3bd6SGeorge Wilson "[2^(n-1)*%llu, 2^n*%llu)", SPA_MINBLOCKSIZE, 4265dcbf3bd6SGeorge Wilson SPA_MINBLOCKSIZE); 4266dcbf3bd6SGeorge Wilson } 4267dcbf3bd6SGeorge Wilson 4268dcbf3bd6SGeorge Wilson if (rc < 0) { 4269dcbf3bd6SGeorge Wilson /* snprintf failed, abort the dcmd */ 4270dcbf3bd6SGeorge Wilson rc = DCMD_ERR; 4271dcbf3bd6SGeorge Wilson goto out; 4272dcbf3bd6SGeorge Wilson } else { 4273dcbf3bd6SGeorge Wilson /* snprintf succeeded above, reset return code */ 4274dcbf3bd6SGeorge Wilson rc = DCMD_OK; 4275dcbf3bd6SGeorge Wilson } 4276dcbf3bd6SGeorge Wilson 4277dcbf3bd6SGeorge Wilson if (data.arc_cflags & ARC_CFLAG_ANON) { 4278dcbf3bd6SGeorge Wilson if (data.arc_cflags & ARC_CFLAG_BUFS) { 4279dcbf3bd6SGeorge Wilson mdb_printf("Histogram of the number of anon buffers " 4280dcbf3bd6SGeorge Wilson "that are associated with an arc hdr.\n"); 4281dcbf3bd6SGeorge Wilson dump_histogram(data.anon_bufs, data.hist_nbuckets, 0); 4282dcbf3bd6SGeorge Wilson mdb_printf("\n"); 4283dcbf3bd6SGeorge Wilson } 4284dcbf3bd6SGeorge Wilson mdb_printf("Histogram of compressed anon buffers.\n" 4285dcbf3bd6SGeorge Wilson "Each bucket represents buffers of size: %s.\n", range); 4286dcbf3bd6SGeorge Wilson dump_histogram(data.anon_c_hist, data.hist_nbuckets, 0); 4287dcbf3bd6SGeorge Wilson mdb_printf("\n"); 4288dcbf3bd6SGeorge Wilson 4289dcbf3bd6SGeorge Wilson mdb_printf("Histogram of uncompressed anon buffers.\n" 4290dcbf3bd6SGeorge Wilson "Each bucket represents buffers of size: %s.\n", range); 4291dcbf3bd6SGeorge Wilson dump_histogram(data.anon_u_hist, data.hist_nbuckets, 0); 4292dcbf3bd6SGeorge Wilson mdb_printf("\n"); 4293dcbf3bd6SGeorge Wilson } 4294dcbf3bd6SGeorge Wilson 4295dcbf3bd6SGeorge Wilson if (data.arc_cflags & ARC_CFLAG_MRU) { 4296dcbf3bd6SGeorge Wilson if (data.arc_cflags & ARC_CFLAG_BUFS) { 4297dcbf3bd6SGeorge Wilson mdb_printf("Histogram of the number of mru buffers " 4298dcbf3bd6SGeorge Wilson "that are associated with an arc hdr.\n"); 4299dcbf3bd6SGeorge Wilson dump_histogram(data.mru_bufs, data.hist_nbuckets, 0); 4300dcbf3bd6SGeorge Wilson mdb_printf("\n"); 4301dcbf3bd6SGeorge Wilson } 4302dcbf3bd6SGeorge Wilson mdb_printf("Histogram of compressed mru buffers.\n" 4303dcbf3bd6SGeorge Wilson "Each bucket represents buffers of size: %s.\n", range); 4304dcbf3bd6SGeorge Wilson dump_histogram(data.mru_c_hist, data.hist_nbuckets, 0); 4305dcbf3bd6SGeorge Wilson mdb_printf("\n"); 4306dcbf3bd6SGeorge Wilson 4307dcbf3bd6SGeorge Wilson mdb_printf("Histogram of uncompressed mru buffers.\n" 4308dcbf3bd6SGeorge Wilson "Each bucket represents buffers of size: %s.\n", range); 4309dcbf3bd6SGeorge Wilson dump_histogram(data.mru_u_hist, data.hist_nbuckets, 0); 4310dcbf3bd6SGeorge Wilson mdb_printf("\n"); 4311dcbf3bd6SGeorge Wilson } 4312dcbf3bd6SGeorge Wilson 4313dcbf3bd6SGeorge Wilson if (data.arc_cflags & ARC_CFLAG_MFU) { 4314dcbf3bd6SGeorge Wilson if (data.arc_cflags & ARC_CFLAG_BUFS) { 4315dcbf3bd6SGeorge Wilson mdb_printf("Histogram of the number of mfu buffers " 4316dcbf3bd6SGeorge Wilson "that are associated with an arc hdr.\n"); 4317dcbf3bd6SGeorge Wilson dump_histogram(data.mfu_bufs, data.hist_nbuckets, 0); 4318dcbf3bd6SGeorge Wilson mdb_printf("\n"); 4319dcbf3bd6SGeorge Wilson } 4320dcbf3bd6SGeorge Wilson 4321dcbf3bd6SGeorge Wilson mdb_printf("Histogram of compressed mfu buffers.\n" 4322dcbf3bd6SGeorge Wilson "Each bucket represents buffers of size: %s.\n", range); 4323dcbf3bd6SGeorge Wilson dump_histogram(data.mfu_c_hist, data.hist_nbuckets, 0); 4324dcbf3bd6SGeorge Wilson mdb_printf("\n"); 4325dcbf3bd6SGeorge Wilson 4326dcbf3bd6SGeorge Wilson mdb_printf("Histogram of uncompressed mfu buffers.\n" 4327dcbf3bd6SGeorge Wilson "Each bucket represents buffers of size: %s.\n", range); 4328dcbf3bd6SGeorge Wilson dump_histogram(data.mfu_u_hist, data.hist_nbuckets, 0); 4329dcbf3bd6SGeorge Wilson mdb_printf("\n"); 4330dcbf3bd6SGeorge Wilson } 4331dcbf3bd6SGeorge Wilson 4332dcbf3bd6SGeorge Wilson if (data.arc_cflags & ARC_CFLAG_BUFS) { 4333dcbf3bd6SGeorge Wilson mdb_printf("Histogram of all buffers that " 4334dcbf3bd6SGeorge Wilson "are associated with an arc hdr.\n"); 4335dcbf3bd6SGeorge Wilson dump_histogram(data.all_bufs, data.hist_nbuckets, 0); 4336dcbf3bd6SGeorge Wilson mdb_printf("\n"); 4337dcbf3bd6SGeorge Wilson } 4338dcbf3bd6SGeorge Wilson 4339dcbf3bd6SGeorge Wilson mdb_printf("Histogram of all compressed buffers.\n" 4340dcbf3bd6SGeorge Wilson "Each bucket represents buffers of size: %s.\n", range); 4341dcbf3bd6SGeorge Wilson dump_histogram(data.all_c_hist, data.hist_nbuckets, 0); 4342dcbf3bd6SGeorge Wilson mdb_printf("\n"); 4343dcbf3bd6SGeorge Wilson 4344dcbf3bd6SGeorge Wilson mdb_printf("Histogram of all uncompressed buffers.\n" 4345dcbf3bd6SGeorge Wilson "Each bucket represents buffers of size: %s.\n", range); 4346dcbf3bd6SGeorge Wilson dump_histogram(data.all_u_hist, data.hist_nbuckets, 0); 4347dcbf3bd6SGeorge Wilson 4348dcbf3bd6SGeorge Wilson out: 4349dcbf3bd6SGeorge Wilson mdb_free(data.anon_c_hist, hist_size); 4350dcbf3bd6SGeorge Wilson mdb_free(data.anon_u_hist, hist_size); 4351dcbf3bd6SGeorge Wilson mdb_free(data.anon_bufs, hist_size); 4352dcbf3bd6SGeorge Wilson 4353dcbf3bd6SGeorge Wilson mdb_free(data.mru_c_hist, hist_size); 4354dcbf3bd6SGeorge Wilson mdb_free(data.mru_u_hist, hist_size); 4355dcbf3bd6SGeorge Wilson mdb_free(data.mru_bufs, hist_size); 4356dcbf3bd6SGeorge Wilson 4357dcbf3bd6SGeorge Wilson mdb_free(data.mfu_c_hist, hist_size); 4358dcbf3bd6SGeorge Wilson mdb_free(data.mfu_u_hist, hist_size); 4359dcbf3bd6SGeorge Wilson mdb_free(data.mfu_bufs, hist_size); 4360dcbf3bd6SGeorge Wilson 4361dcbf3bd6SGeorge Wilson mdb_free(data.all_c_hist, hist_size); 4362dcbf3bd6SGeorge Wilson mdb_free(data.all_u_hist, hist_size); 4363dcbf3bd6SGeorge Wilson mdb_free(data.all_bufs, hist_size); 4364dcbf3bd6SGeorge Wilson 4365dcbf3bd6SGeorge Wilson return (rc); 4366dcbf3bd6SGeorge Wilson } 4367dcbf3bd6SGeorge Wilson 4368*4d7988d6SPaul Dagnelie typedef struct mdb_range_seg64 { 4369814dcd43SSerapheim Dimitropoulos uint64_t rs_start; 4370814dcd43SSerapheim Dimitropoulos uint64_t rs_end; 4371*4d7988d6SPaul Dagnelie } mdb_range_seg64_t; 4372*4d7988d6SPaul Dagnelie 4373*4d7988d6SPaul Dagnelie typedef struct mdb_range_seg32 { 4374*4d7988d6SPaul Dagnelie uint32_t rs_start; 4375*4d7988d6SPaul Dagnelie uint32_t rs_end; 4376*4d7988d6SPaul Dagnelie } mdb_range_seg32_t; 4377814dcd43SSerapheim Dimitropoulos 4378814dcd43SSerapheim Dimitropoulos /* ARGSUSED */ 4379814dcd43SSerapheim Dimitropoulos static int 4380814dcd43SSerapheim Dimitropoulos range_tree_cb(uintptr_t addr, const void *unknown, void *arg) 4381814dcd43SSerapheim Dimitropoulos { 4382*4d7988d6SPaul Dagnelie mdb_range_tree_t *rt = (mdb_range_tree_t *)arg; 4383*4d7988d6SPaul Dagnelie uint64_t start, end; 4384814dcd43SSerapheim Dimitropoulos 4385*4d7988d6SPaul Dagnelie if (rt->rt_type == RANGE_SEG64) { 4386*4d7988d6SPaul Dagnelie mdb_range_seg64_t rs; 4387*4d7988d6SPaul Dagnelie 4388*4d7988d6SPaul Dagnelie if (mdb_ctf_vread(&rs, ZFS_STRUCT "range_seg64", 4389*4d7988d6SPaul Dagnelie "mdb_range_seg64_t", addr, 0) == -1) 4390*4d7988d6SPaul Dagnelie return (DCMD_ERR); 4391*4d7988d6SPaul Dagnelie start = rs.rs_start; 4392*4d7988d6SPaul Dagnelie end = rs.rs_end; 4393*4d7988d6SPaul Dagnelie } else { 4394*4d7988d6SPaul Dagnelie ASSERT3U(rt->rt_type, ==, RANGE_SEG32); 4395*4d7988d6SPaul Dagnelie mdb_range_seg32_t rs; 4396*4d7988d6SPaul Dagnelie 4397*4d7988d6SPaul Dagnelie if (mdb_ctf_vread(&rs, ZFS_STRUCT "range_seg32", 4398*4d7988d6SPaul Dagnelie "mdb_range_seg32_t", addr, 0) == -1) 4399*4d7988d6SPaul Dagnelie return (DCMD_ERR); 4400*4d7988d6SPaul Dagnelie start = ((uint64_t)rs.rs_start << rt->rt_shift) + rt->rt_start; 4401*4d7988d6SPaul Dagnelie end = ((uint64_t)rs.rs_end << rt->rt_shift) + rt->rt_start; 4402*4d7988d6SPaul Dagnelie } 4403814dcd43SSerapheim Dimitropoulos 4404*4d7988d6SPaul Dagnelie mdb_printf("\t[%llx %llx) (length %llx)\n", start, end, end - start); 4405814dcd43SSerapheim Dimitropoulos 4406814dcd43SSerapheim Dimitropoulos return (0); 4407814dcd43SSerapheim Dimitropoulos } 4408814dcd43SSerapheim Dimitropoulos 4409814dcd43SSerapheim Dimitropoulos /* ARGSUSED */ 4410814dcd43SSerapheim Dimitropoulos static int 4411814dcd43SSerapheim Dimitropoulos range_tree(uintptr_t addr, uint_t flags, int argc, 4412814dcd43SSerapheim Dimitropoulos const mdb_arg_t *argv) 4413814dcd43SSerapheim Dimitropoulos { 4414814dcd43SSerapheim Dimitropoulos mdb_range_tree_t rt; 4415*4d7988d6SPaul Dagnelie uintptr_t btree_addr; 4416814dcd43SSerapheim Dimitropoulos 4417814dcd43SSerapheim Dimitropoulos if (!(flags & DCMD_ADDRSPEC)) 4418814dcd43SSerapheim Dimitropoulos return (DCMD_USAGE); 4419814dcd43SSerapheim Dimitropoulos 4420814dcd43SSerapheim Dimitropoulos if (mdb_ctf_vread(&rt, ZFS_STRUCT "range_tree", "mdb_range_tree_t", 4421814dcd43SSerapheim Dimitropoulos addr, 0) == -1) 4422814dcd43SSerapheim Dimitropoulos return (DCMD_ERR); 4423814dcd43SSerapheim Dimitropoulos 4424814dcd43SSerapheim Dimitropoulos mdb_printf("%p: range tree of %llu entries, %llu bytes\n", 4425*4d7988d6SPaul Dagnelie addr, rt.rt_root.bt_num_elems, rt.rt_space); 4426814dcd43SSerapheim Dimitropoulos 4427*4d7988d6SPaul Dagnelie btree_addr = addr + 4428814dcd43SSerapheim Dimitropoulos mdb_ctf_offsetof_by_name(ZFS_STRUCT "range_tree", "rt_root"); 4429814dcd43SSerapheim Dimitropoulos 4430*4d7988d6SPaul Dagnelie if (mdb_pwalk("zfs_btree", range_tree_cb, &rt, btree_addr) != 0) { 4431814dcd43SSerapheim Dimitropoulos mdb_warn("can't walk range_tree segments"); 4432814dcd43SSerapheim Dimitropoulos return (DCMD_ERR); 4433814dcd43SSerapheim Dimitropoulos } 4434814dcd43SSerapheim Dimitropoulos return (DCMD_OK); 4435814dcd43SSerapheim Dimitropoulos } 4436814dcd43SSerapheim Dimitropoulos 4437814dcd43SSerapheim Dimitropoulos typedef struct mdb_spa_log_sm { 4438814dcd43SSerapheim Dimitropoulos uint64_t sls_sm_obj; 4439814dcd43SSerapheim Dimitropoulos uint64_t sls_txg; 4440814dcd43SSerapheim Dimitropoulos uint64_t sls_nblocks; 4441814dcd43SSerapheim Dimitropoulos uint64_t sls_mscount; 4442814dcd43SSerapheim Dimitropoulos } mdb_spa_log_sm_t; 4443814dcd43SSerapheim Dimitropoulos 4444814dcd43SSerapheim Dimitropoulos /* ARGSUSED */ 4445814dcd43SSerapheim Dimitropoulos static int 4446814dcd43SSerapheim Dimitropoulos logsm_stats_cb(uintptr_t addr, const void *unknown, void *arg) 4447814dcd43SSerapheim Dimitropoulos { 4448814dcd43SSerapheim Dimitropoulos mdb_spa_log_sm_t sls; 4449814dcd43SSerapheim Dimitropoulos if (mdb_ctf_vread(&sls, ZFS_STRUCT "spa_log_sm", "mdb_spa_log_sm_t", 4450814dcd43SSerapheim Dimitropoulos addr, 0) == -1) 4451814dcd43SSerapheim Dimitropoulos return (WALK_ERR); 4452814dcd43SSerapheim Dimitropoulos 4453814dcd43SSerapheim Dimitropoulos mdb_printf("%7lld %7lld %7lld %7lld\n", 4454814dcd43SSerapheim Dimitropoulos sls.sls_txg, sls.sls_nblocks, sls.sls_mscount, sls.sls_sm_obj); 4455814dcd43SSerapheim Dimitropoulos 4456814dcd43SSerapheim Dimitropoulos return (WALK_NEXT); 4457814dcd43SSerapheim Dimitropoulos } 4458814dcd43SSerapheim Dimitropoulos typedef struct mdb_log_summary_entry { 4459814dcd43SSerapheim Dimitropoulos uint64_t lse_start; 4460814dcd43SSerapheim Dimitropoulos uint64_t lse_blkcount; 4461814dcd43SSerapheim Dimitropoulos uint64_t lse_mscount; 4462814dcd43SSerapheim Dimitropoulos } mdb_log_summary_entry_t; 4463814dcd43SSerapheim Dimitropoulos 4464814dcd43SSerapheim Dimitropoulos /* ARGSUSED */ 4465814dcd43SSerapheim Dimitropoulos static int 4466814dcd43SSerapheim Dimitropoulos logsm_summary_cb(uintptr_t addr, const void *unknown, void *arg) 4467814dcd43SSerapheim Dimitropoulos { 4468814dcd43SSerapheim Dimitropoulos mdb_log_summary_entry_t lse; 4469814dcd43SSerapheim Dimitropoulos if (mdb_ctf_vread(&lse, ZFS_STRUCT "log_summary_entry", 4470814dcd43SSerapheim Dimitropoulos "mdb_log_summary_entry_t", addr, 0) == -1) 4471814dcd43SSerapheim Dimitropoulos return (WALK_ERR); 4472814dcd43SSerapheim Dimitropoulos 4473814dcd43SSerapheim Dimitropoulos mdb_printf("%7lld %7lld %7lld\n", 4474814dcd43SSerapheim Dimitropoulos lse.lse_start, lse.lse_blkcount, lse.lse_mscount); 4475814dcd43SSerapheim Dimitropoulos return (WALK_NEXT); 4476814dcd43SSerapheim Dimitropoulos } 4477814dcd43SSerapheim Dimitropoulos 4478814dcd43SSerapheim Dimitropoulos /* ARGSUSED */ 4479814dcd43SSerapheim Dimitropoulos static int 4480814dcd43SSerapheim Dimitropoulos logsm_stats(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 4481814dcd43SSerapheim Dimitropoulos { 4482814dcd43SSerapheim Dimitropoulos if (!(flags & DCMD_ADDRSPEC)) 4483814dcd43SSerapheim Dimitropoulos return (DCMD_USAGE); 4484814dcd43SSerapheim Dimitropoulos 4485814dcd43SSerapheim Dimitropoulos uintptr_t sls_avl_addr = addr + 4486814dcd43SSerapheim Dimitropoulos mdb_ctf_offsetof_by_name(ZFS_STRUCT "spa", "spa_sm_logs_by_txg"); 4487814dcd43SSerapheim Dimitropoulos uintptr_t summary_addr = addr + 4488814dcd43SSerapheim Dimitropoulos mdb_ctf_offsetof_by_name(ZFS_STRUCT "spa", "spa_log_summary"); 4489814dcd43SSerapheim Dimitropoulos 4490814dcd43SSerapheim Dimitropoulos mdb_printf("Log Entries:\n"); 4491814dcd43SSerapheim Dimitropoulos mdb_printf("%7s %7s %7s %7s\n", "txg", "blk", "ms", "obj"); 4492814dcd43SSerapheim Dimitropoulos if (mdb_pwalk("avl", logsm_stats_cb, NULL, sls_avl_addr) != 0) 4493814dcd43SSerapheim Dimitropoulos return (DCMD_ERR); 4494814dcd43SSerapheim Dimitropoulos 4495814dcd43SSerapheim Dimitropoulos mdb_printf("\nSummary Entries:\n"); 4496814dcd43SSerapheim Dimitropoulos mdb_printf("%7s %7s %7s\n", "txg", "blk", "ms"); 4497814dcd43SSerapheim Dimitropoulos if (mdb_pwalk("list", logsm_summary_cb, NULL, summary_addr) != 0) 4498814dcd43SSerapheim Dimitropoulos return (DCMD_ERR); 4499814dcd43SSerapheim Dimitropoulos 4500814dcd43SSerapheim Dimitropoulos return (DCMD_OK); 4501814dcd43SSerapheim Dimitropoulos } 4502814dcd43SSerapheim Dimitropoulos 4503fa9e4066Sahrens /* 4504fa9e4066Sahrens * MDB module linkage information: 4505fa9e4066Sahrens * 4506fa9e4066Sahrens * We declare a list of structures describing our dcmds, and a function 4507fa9e4066Sahrens * named _mdb_init to return a pointer to our module information. 4508fa9e4066Sahrens */ 4509fa9e4066Sahrens 4510fa9e4066Sahrens static const mdb_dcmd_t dcmds[] = { 451191ebeef5Sahrens { "arc", "[-bkmg]", "print ARC variables", arc_print }, 4512fa9e4066Sahrens { "blkptr", ":", "print blkptr_t", blkptr }, 45135cabbc6bSPrashanth Sreenivasa { "dva", ":", "print dva_t", dva }, 4514fa9e4066Sahrens { "dbuf", ":", "print dmu_buf_impl_t", dbuf }, 4515fa9e4066Sahrens { "dbuf_stats", ":", "dbuf stats", dbuf_stats }, 4516fa9e4066Sahrens { "dbufs", 45174223fc7cSMark Shellenbaum "\t[-O objset_t*] [-n objset_name | \"mos\"] " 4518a3f829aeSBill Moore "[-o object | \"mdn\"] \n" 4519a3f829aeSBill Moore "\t[-l level] [-b blkid | \"bonus\"]", 4520a3f829aeSBill Moore "find dmu_buf_impl_t's that match specified criteria", dbufs }, 4521fa9e4066Sahrens { "abuf_find", "dva_word[0] dva_word[1]", 4522a3f829aeSBill Moore "find arc_buf_hdr_t of a specified DVA", 4523a3f829aeSBill Moore abuf_find }, 4524814dcd43SSerapheim Dimitropoulos { "logsm_stats", ":", "print log space map statistics of a spa_t", 4525814dcd43SSerapheim Dimitropoulos logsm_stats}, 45262e4c9986SGeorge Wilson { "spa", "?[-cevmMh]\n" 45272e4c9986SGeorge Wilson "\t-c display spa config\n" 45282e4c9986SGeorge Wilson "\t-e display vdev statistics\n" 45292e4c9986SGeorge Wilson "\t-v display vdev information\n" 45302e4c9986SGeorge Wilson "\t-m display metaslab statistics\n" 45312e4c9986SGeorge Wilson "\t-M display metaslab group statistics\n" 45322e4c9986SGeorge Wilson "\t-h display histogram (requires -m or -M)\n", 45332e4c9986SGeorge Wilson "spa_t summary", spa_print }, 4534fa9e4066Sahrens { "spa_config", ":", "print spa_t configuration", spa_print_config }, 4535fa9e4066Sahrens { "spa_space", ":[-b]", "print spa_t on-disk space usage", spa_space }, 45362e4c9986SGeorge Wilson { "spa_vdevs", ":[-emMh]\n" 45372e4c9986SGeorge Wilson "\t-e display vdev statistics\n" 45382e4c9986SGeorge Wilson "\t-m dispaly metaslab statistics\n" 45392e4c9986SGeorge Wilson "\t-M display metaslab group statistic\n" 45402e4c9986SGeorge Wilson "\t-h display histogram (requires -m or -M)\n", 45412e4c9986SGeorge Wilson "given a spa_t, print vdev summary", spa_vdevs }, 454217f11284SSerapheim Dimitropoulos { "sm_entries", "<buffer length in bytes>", 454317f11284SSerapheim Dimitropoulos "print out space map entries from a buffer decoded", 454417f11284SSerapheim Dimitropoulos sm_entries}, 454591e2a09fSSteve Gonczi { "vdev", ":[-remMh]\n" 4546a3f829aeSBill Moore "\t-r display recursively\n" 45472e4c9986SGeorge Wilson "\t-e display statistics\n" 454891e2a09fSSteve Gonczi "\t-m display metaslab statistics (top level vdev only)\n" 454991e2a09fSSteve Gonczi "\t-M display metaslab group statistics (top level vdev only)\n" 45502e4c9986SGeorge Wilson "\t-h display histogram (requires -m or -M)\n", 4551a3f829aeSBill Moore "vdev_t summary", vdev_print }, 45522e4c9986SGeorge Wilson { "zio", ":[-cpr]\n" 4553a3f829aeSBill Moore "\t-c display children\n" 4554a3f829aeSBill Moore "\t-p display parents\n" 4555a3f829aeSBill Moore "\t-r display recursively", 4556a3f829aeSBill Moore "zio_t summary", zio_print }, 4557ccae0b50Seschrock { "zio_state", "?", "print out all zio_t structures on system or " 4558ccae0b50Seschrock "for a particular pool", zio_state }, 455988b7b0f2SMatthew Ahrens { "zfs_blkstats", ":[-v]", 456088b7b0f2SMatthew Ahrens "given a spa_t, print block type stats from last scrub", 456188b7b0f2SMatthew Ahrens zfs_blkstats }, 4562614409b5Sahrens { "zfs_params", "", "print zfs tunable parameters", zfs_params }, 45630dd73f50SJason King { "zfs_refcount", ":[-r]\n" 456428e4da25SMatthew Ahrens "\t-r display recently removed references", 45650dd73f50SJason King "print zfs_refcount_t holders", zfs_refcount }, 45663f1f8012SMatthew Ahrens { "zap_leaf", "", "print zap_leaf_phys_t", zap_leaf }, 45670a586ceaSMark Shellenbaum { "zfs_aces", ":[-v]", "print all ACEs from a zfs_acl_t", 45680a586ceaSMark Shellenbaum zfs_acl_dump }, 45690a586ceaSMark Shellenbaum { "zfs_ace", ":[-v]", "print zfs_ace", zfs_ace_print }, 45700a586ceaSMark Shellenbaum { "zfs_ace0", ":[-v]", "print zfs_ace0", zfs_ace0_print }, 45710a586ceaSMark Shellenbaum { "sa_attr_table", ":", "print SA attribute table from sa_os_t", 45720a586ceaSMark Shellenbaum sa_attr_table}, 45730a586ceaSMark Shellenbaum { "sa_attr", ": attr_id", 45740a586ceaSMark Shellenbaum "print SA attribute address when given sa_handle_t", sa_attr_print}, 457528e4da25SMatthew Ahrens { "zfs_dbgmsg", ":[-va]", 45763f9d6ad7SLin Ling "print zfs debug log", dbgmsg}, 457728e4da25SMatthew Ahrens { "rrwlock", ":", 457828e4da25SMatthew Ahrens "print rrwlock_t, including readers", rrwlock}, 45798363e80aSGeorge Wilson { "metaslab_weight", "weight", 45808363e80aSGeorge Wilson "print metaslab weight", metaslab_weight}, 45818363e80aSGeorge Wilson { "metaslab_trace", ":", 45828363e80aSGeorge Wilson "print metaslab allocation trace records", metaslab_trace}, 4583dcbf3bd6SGeorge Wilson { "arc_compression_stats", ":[-vabrf]\n" 4584dcbf3bd6SGeorge Wilson "\t-v verbose, display a linearly scaled histogram\n" 4585dcbf3bd6SGeorge Wilson "\t-a display ARC_anon state statistics individually\n" 4586dcbf3bd6SGeorge Wilson "\t-r display ARC_mru state statistics individually\n" 4587dcbf3bd6SGeorge Wilson "\t-f display ARC_mfu state statistics individually\n" 4588dcbf3bd6SGeorge Wilson "\t-b display histogram of buffer counts\n", 4589dcbf3bd6SGeorge Wilson "print a histogram of compressed arc buffer sizes", 4590dcbf3bd6SGeorge Wilson arc_compression_stats}, 4591814dcd43SSerapheim Dimitropoulos { "range_tree", ":", 4592814dcd43SSerapheim Dimitropoulos "print entries in range_tree_t", range_tree}, 4593fa9e4066Sahrens { NULL } 4594fa9e4066Sahrens }; 4595fa9e4066Sahrens 4596fa9e4066Sahrens static const mdb_walker_t walkers[] = { 4597fa9e4066Sahrens { "txg_list", "given any txg_list_t *, walk all entries in all txgs", 459828e4da25SMatthew Ahrens txg_list_walk_init, txg_list_walk_step, NULL }, 4599fa9e4066Sahrens { "txg_list0", "given any txg_list_t *, walk all entries in txg 0", 460028e4da25SMatthew Ahrens txg_list0_walk_init, txg_list_walk_step, NULL }, 4601fa9e4066Sahrens { "txg_list1", "given any txg_list_t *, walk all entries in txg 1", 460228e4da25SMatthew Ahrens txg_list1_walk_init, txg_list_walk_step, NULL }, 4603fa9e4066Sahrens { "txg_list2", "given any txg_list_t *, walk all entries in txg 2", 460428e4da25SMatthew Ahrens txg_list2_walk_init, txg_list_walk_step, NULL }, 4605fa9e4066Sahrens { "txg_list3", "given any txg_list_t *, walk all entries in txg 3", 460628e4da25SMatthew Ahrens txg_list3_walk_init, txg_list_walk_step, NULL }, 4607ccae0b50Seschrock { "zio", "walk all zio structures, optionally for a particular spa_t", 460828e4da25SMatthew Ahrens zio_walk_init, zio_walk_step, NULL }, 460928e4da25SMatthew Ahrens { "zio_root", 461028e4da25SMatthew Ahrens "walk all root zio_t structures, optionally for a particular spa_t", 461128e4da25SMatthew Ahrens zio_walk_init, zio_walk_root_step, NULL }, 4612fa9e4066Sahrens { "spa", "walk all spa_t entries in the namespace", 461328e4da25SMatthew Ahrens spa_walk_init, spa_walk_step, NULL }, 46145f5f7a6fSahrens { "metaslab", "given a spa_t *, walk all metaslab_t structures", 461528e4da25SMatthew Ahrens metaslab_walk_init, metaslab_walk_step, NULL }, 4616dcbf3bd6SGeorge Wilson { "multilist", "given a multilist_t *, walk all list_t structures", 4617dcbf3bd6SGeorge Wilson multilist_walk_init, multilist_walk_step, NULL }, 46180a586ceaSMark Shellenbaum { "zfs_acl_node", "given a zfs_acl_t, walk all zfs_acl_nodes", 46190a586ceaSMark Shellenbaum zfs_acl_node_walk_init, zfs_acl_node_walk_step, NULL }, 46200a586ceaSMark Shellenbaum { "zfs_acl_node_aces", "given a zfs_acl_node_t, walk all ACEs", 46210a586ceaSMark Shellenbaum zfs_acl_node_aces_walk_init, zfs_aces_walk_step, NULL }, 46220a586ceaSMark Shellenbaum { "zfs_acl_node_aces0", 46230a586ceaSMark Shellenbaum "given a zfs_acl_node_t, walk all ACEs as ace_t", 46240a586ceaSMark Shellenbaum zfs_acl_node_aces0_walk_init, zfs_aces_walk_step, NULL }, 4625*4d7988d6SPaul Dagnelie { "zfs_btree", "given a zfs_btree_t *, walk all entries", 4626*4d7988d6SPaul Dagnelie btree_walk_init, btree_walk_step, btree_walk_fini }, 4627fa9e4066Sahrens { NULL } 4628fa9e4066Sahrens }; 4629fa9e4066Sahrens 4630fa9e4066Sahrens static const mdb_modinfo_t modinfo = { 4631fa9e4066Sahrens MDB_API_VERSION, dcmds, walkers 4632fa9e4066Sahrens }; 4633fa9e4066Sahrens 4634fa9e4066Sahrens const mdb_modinfo_t * 4635fa9e4066Sahrens _mdb_init(void) 4636fa9e4066Sahrens { 4637fa9e4066Sahrens return (&modinfo); 4638fa9e4066Sahrens } 4639