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. 2491e2a09fSSteve Gonczi * Copyright (c) 2011, 2016 by Delphix. All rights reserved. 25fa9e4066Sahrens */ 26fa9e4066Sahrens 2755da60b9SMark J Musante /* Portions Copyright 2010 Robert Milkowski */ 2855da60b9SMark J Musante 29fa9e4066Sahrens #include <mdb/mdb_ctf.h> 30fa9e4066Sahrens #include <sys/zfs_context.h> 31fa9e4066Sahrens #include <sys/mdb_modapi.h> 32fa9e4066Sahrens #include <sys/dbuf.h> 33fa9e4066Sahrens #include <sys/dmu_objset.h> 34fa9e4066Sahrens #include <sys/dsl_dir.h> 35fa9e4066Sahrens #include <sys/dsl_pool.h> 36fa9e4066Sahrens #include <sys/metaslab_impl.h> 37fa9e4066Sahrens #include <sys/space_map.h> 38fa9e4066Sahrens #include <sys/list.h> 39fa9e4066Sahrens #include <sys/vdev_impl.h> 403f1f8012SMatthew Ahrens #include <sys/zap_leaf.h> 413f1f8012SMatthew Ahrens #include <sys/zap_impl.h> 429966ca11SMatthew Ahrens #include <ctype.h> 430a586ceaSMark Shellenbaum #include <sys/zfs_acl.h> 440a586ceaSMark Shellenbaum #include <sys/sa_impl.h> 45dcbf3bd6SGeorge Wilson #include <sys/multilist.h> 46fa9e4066Sahrens 47fa9e4066Sahrens #ifdef _KERNEL 48fa9e4066Sahrens #define ZFS_OBJ_NAME "zfs" 49c55e05cbSMatthew Ahrens extern int64_t mdb_gethrtime(void); 50fa9e4066Sahrens #else 51fa9e4066Sahrens #define ZFS_OBJ_NAME "libzpool.so.1" 52fa9e4066Sahrens #endif 53fa9e4066Sahrens 5428e4da25SMatthew Ahrens #define ZFS_STRUCT "struct " ZFS_OBJ_NAME "`" 5528e4da25SMatthew Ahrens 56feef89cfSVictor Latushkin #ifndef _KERNEL 57feef89cfSVictor Latushkin int aok; 58feef89cfSVictor Latushkin #endif 59feef89cfSVictor Latushkin 602e4c9986SGeorge Wilson enum spa_flags { 612e4c9986SGeorge Wilson SPA_FLAG_CONFIG = 1 << 0, 622e4c9986SGeorge Wilson SPA_FLAG_VDEVS = 1 << 1, 632e4c9986SGeorge Wilson SPA_FLAG_ERRORS = 1 << 2, 642e4c9986SGeorge Wilson SPA_FLAG_METASLAB_GROUPS = 1 << 3, 652e4c9986SGeorge Wilson SPA_FLAG_METASLABS = 1 << 4, 662e4c9986SGeorge Wilson SPA_FLAG_HISTOGRAMS = 1 << 5 672e4c9986SGeorge Wilson }; 682e4c9986SGeorge Wilson 6991e2a09fSSteve Gonczi /* 7091e2a09fSSteve Gonczi * If any of these flags are set, call spa_vdevs in spa_print 7191e2a09fSSteve Gonczi */ 722e4c9986SGeorge Wilson #define SPA_FLAG_ALL_VDEV \ 732e4c9986SGeorge Wilson (SPA_FLAG_VDEVS | SPA_FLAG_ERRORS | SPA_FLAG_METASLAB_GROUPS | \ 7491e2a09fSSteve Gonczi SPA_FLAG_METASLABS) 752e4c9986SGeorge Wilson 76fa9e4066Sahrens static int 77fa9e4066Sahrens getmember(uintptr_t addr, const char *type, mdb_ctf_id_t *idp, 78fa9e4066Sahrens const char *member, int len, void *buf) 79fa9e4066Sahrens { 80fa9e4066Sahrens mdb_ctf_id_t id; 81fa9e4066Sahrens ulong_t off; 82fa9e4066Sahrens char name[64]; 83fa9e4066Sahrens 84fa9e4066Sahrens if (idp == NULL) { 85fa9e4066Sahrens if (mdb_ctf_lookup_by_name(type, &id) == -1) { 86fa9e4066Sahrens mdb_warn("couldn't find type %s", type); 87fa9e4066Sahrens return (DCMD_ERR); 88fa9e4066Sahrens } 89fa9e4066Sahrens idp = &id; 90fa9e4066Sahrens } else { 91fa9e4066Sahrens type = name; 92fa9e4066Sahrens mdb_ctf_type_name(*idp, name, sizeof (name)); 93fa9e4066Sahrens } 94fa9e4066Sahrens 95fa9e4066Sahrens if (mdb_ctf_offsetof(*idp, member, &off) == -1) { 96fa9e4066Sahrens mdb_warn("couldn't find member %s of type %s\n", member, type); 97fa9e4066Sahrens return (DCMD_ERR); 98fa9e4066Sahrens } 99fa9e4066Sahrens if (off % 8 != 0) { 100fa9e4066Sahrens mdb_warn("member %s of type %s is unsupported bitfield", 101fa9e4066Sahrens member, type); 102fa9e4066Sahrens return (DCMD_ERR); 103fa9e4066Sahrens } 104fa9e4066Sahrens off /= 8; 105fa9e4066Sahrens 106fa9e4066Sahrens if (mdb_vread(buf, len, addr + off) == -1) { 107fa9e4066Sahrens mdb_warn("failed to read %s from %s at %p", 108fa9e4066Sahrens member, type, addr + off); 109fa9e4066Sahrens return (DCMD_ERR); 110fa9e4066Sahrens } 111fa9e4066Sahrens /* mdb_warn("read %s from %s at %p+%llx\n", member, type, addr, off); */ 112fa9e4066Sahrens 113fa9e4066Sahrens return (0); 114fa9e4066Sahrens } 115fa9e4066Sahrens 11628e4da25SMatthew Ahrens #define GETMEMB(addr, structname, member, dest) \ 11728e4da25SMatthew Ahrens getmember(addr, ZFS_STRUCT structname, NULL, #member, \ 11828e4da25SMatthew Ahrens sizeof (dest), &(dest)) 119fa9e4066Sahrens 120fa9e4066Sahrens #define GETMEMBID(addr, ctfid, member, dest) \ 121fa9e4066Sahrens getmember(addr, NULL, ctfid, #member, sizeof (dest), &(dest)) 122fa9e4066Sahrens 1233f9d6ad7SLin Ling static boolean_t 1243f9d6ad7SLin Ling strisprint(const char *cp) 1253f9d6ad7SLin Ling { 1263f9d6ad7SLin Ling for (; *cp; cp++) { 1273f9d6ad7SLin Ling if (!isprint(*cp)) 1283f9d6ad7SLin Ling return (B_FALSE); 1293f9d6ad7SLin Ling } 1303f9d6ad7SLin Ling return (B_TRUE); 1313f9d6ad7SLin Ling } 1323f9d6ad7SLin Ling 1332e4c9986SGeorge Wilson #define NICENUM_BUFLEN 6 1342e4c9986SGeorge Wilson 1352e4c9986SGeorge Wilson static int 1362e4c9986SGeorge Wilson snprintfrac(char *buf, int len, 1372e4c9986SGeorge Wilson uint64_t numerator, uint64_t denom, int frac_digits) 1382e4c9986SGeorge Wilson { 1392e4c9986SGeorge Wilson int mul = 1; 1402e4c9986SGeorge Wilson int whole, frac, i; 1412e4c9986SGeorge Wilson 1422e4c9986SGeorge Wilson for (i = frac_digits; i; i--) 1432e4c9986SGeorge Wilson mul *= 10; 1442e4c9986SGeorge Wilson whole = numerator / denom; 1452e4c9986SGeorge Wilson frac = mul * numerator / denom - mul * whole; 1462e4c9986SGeorge Wilson return (mdb_snprintf(buf, len, "%u.%0*u", whole, frac_digits, frac)); 1472e4c9986SGeorge Wilson } 1482e4c9986SGeorge Wilson 1492e4c9986SGeorge Wilson static void 1502e4c9986SGeorge Wilson mdb_nicenum(uint64_t num, char *buf) 1512e4c9986SGeorge Wilson { 1522e4c9986SGeorge Wilson uint64_t n = num; 1532e4c9986SGeorge Wilson int index = 0; 1542e4c9986SGeorge Wilson char *u; 1552e4c9986SGeorge Wilson 1562e4c9986SGeorge Wilson while (n >= 1024) { 1572e4c9986SGeorge Wilson n = (n + (1024 / 2)) / 1024; /* Round up or down */ 1582e4c9986SGeorge Wilson index++; 1592e4c9986SGeorge Wilson } 1602e4c9986SGeorge Wilson 1612e4c9986SGeorge Wilson u = &" \0K\0M\0G\0T\0P\0E\0"[index*2]; 1622e4c9986SGeorge Wilson 1632e4c9986SGeorge Wilson if (index == 0) { 1642e4c9986SGeorge Wilson (void) mdb_snprintf(buf, NICENUM_BUFLEN, "%llu", 1652e4c9986SGeorge Wilson (u_longlong_t)n); 1662e4c9986SGeorge Wilson } else if (n < 10 && (num & (num - 1)) != 0) { 1672e4c9986SGeorge Wilson (void) snprintfrac(buf, NICENUM_BUFLEN, 1682e4c9986SGeorge Wilson num, 1ULL << 10 * index, 2); 1692e4c9986SGeorge Wilson strcat(buf, u); 1702e4c9986SGeorge Wilson } else if (n < 100 && (num & (num - 1)) != 0) { 1712e4c9986SGeorge Wilson (void) snprintfrac(buf, NICENUM_BUFLEN, 1722e4c9986SGeorge Wilson num, 1ULL << 10 * index, 1); 1732e4c9986SGeorge Wilson strcat(buf, u); 1742e4c9986SGeorge Wilson } else { 1752e4c9986SGeorge Wilson (void) mdb_snprintf(buf, NICENUM_BUFLEN, "%llu%s", 1762e4c9986SGeorge Wilson (u_longlong_t)n, u); 1772e4c9986SGeorge Wilson } 1782e4c9986SGeorge Wilson } 1792e4c9986SGeorge Wilson 180fa9e4066Sahrens static int verbose; 181fa9e4066Sahrens 182fa9e4066Sahrens static int 183fa9e4066Sahrens freelist_walk_init(mdb_walk_state_t *wsp) 184fa9e4066Sahrens { 185fa9e4066Sahrens if (wsp->walk_addr == NULL) { 186fa9e4066Sahrens mdb_warn("must supply starting address\n"); 187fa9e4066Sahrens return (WALK_ERR); 188fa9e4066Sahrens } 189fa9e4066Sahrens 190fa9e4066Sahrens wsp->walk_data = 0; /* Index into the freelist */ 191fa9e4066Sahrens return (WALK_NEXT); 192fa9e4066Sahrens } 193fa9e4066Sahrens 194fa9e4066Sahrens static int 195fa9e4066Sahrens freelist_walk_step(mdb_walk_state_t *wsp) 196fa9e4066Sahrens { 197fa9e4066Sahrens uint64_t entry; 198fa9e4066Sahrens uintptr_t number = (uintptr_t)wsp->walk_data; 1998053a263Sck char *ddata[] = { "ALLOC", "FREE", "CONDENSE", "INVALID", 2008053a263Sck "INVALID", "INVALID", "INVALID", "INVALID" }; 201fa9e4066Sahrens int mapshift = SPA_MINBLOCKSHIFT; 202fa9e4066Sahrens 203fa9e4066Sahrens if (mdb_vread(&entry, sizeof (entry), wsp->walk_addr) == -1) { 204fa9e4066Sahrens mdb_warn("failed to read freelist entry %p", wsp->walk_addr); 205fa9e4066Sahrens return (WALK_DONE); 206fa9e4066Sahrens } 207fa9e4066Sahrens wsp->walk_addr += sizeof (entry); 208fa9e4066Sahrens wsp->walk_data = (void *)(number + 1); 209fa9e4066Sahrens 210fa9e4066Sahrens if (SM_DEBUG_DECODE(entry)) { 211fa9e4066Sahrens mdb_printf("DEBUG: %3u %10s: txg=%llu pass=%llu\n", 212fa9e4066Sahrens number, 213fa9e4066Sahrens ddata[SM_DEBUG_ACTION_DECODE(entry)], 214fa9e4066Sahrens SM_DEBUG_TXG_DECODE(entry), 215fa9e4066Sahrens SM_DEBUG_SYNCPASS_DECODE(entry)); 216fa9e4066Sahrens } else { 217fa9e4066Sahrens mdb_printf("Entry: %3u offsets=%08llx-%08llx type=%c " 218fa9e4066Sahrens "size=%06llx", number, 219fa9e4066Sahrens SM_OFFSET_DECODE(entry) << mapshift, 220fa9e4066Sahrens (SM_OFFSET_DECODE(entry) + SM_RUN_DECODE(entry)) << 221fa9e4066Sahrens mapshift, 222fa9e4066Sahrens SM_TYPE_DECODE(entry) == SM_ALLOC ? 'A' : 'F', 223fa9e4066Sahrens SM_RUN_DECODE(entry) << mapshift); 224fa9e4066Sahrens if (verbose) 225fa9e4066Sahrens mdb_printf(" (raw=%012llx)\n", entry); 226fa9e4066Sahrens mdb_printf("\n"); 227fa9e4066Sahrens } 228fa9e4066Sahrens return (WALK_NEXT); 229fa9e4066Sahrens } 230fa9e4066Sahrens 231fa9e4066Sahrens static int 23228e4da25SMatthew Ahrens mdb_dsl_dir_name(uintptr_t addr, char *buf) 233fa9e4066Sahrens { 234fa9e4066Sahrens static int gotid; 235fa9e4066Sahrens static mdb_ctf_id_t dd_id; 236fa9e4066Sahrens uintptr_t dd_parent; 2379adfa60dSMatthew Ahrens char dd_myname[ZFS_MAX_DATASET_NAME_LEN]; 238fa9e4066Sahrens 239fa9e4066Sahrens if (!gotid) { 24028e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "dsl_dir", 241fa9e4066Sahrens &dd_id) == -1) { 242fa9e4066Sahrens mdb_warn("couldn't find struct dsl_dir"); 243fa9e4066Sahrens return (DCMD_ERR); 244fa9e4066Sahrens } 245fa9e4066Sahrens gotid = TRUE; 246fa9e4066Sahrens } 247fa9e4066Sahrens if (GETMEMBID(addr, &dd_id, dd_parent, dd_parent) || 248fa9e4066Sahrens GETMEMBID(addr, &dd_id, dd_myname, dd_myname)) { 249fa9e4066Sahrens return (DCMD_ERR); 250fa9e4066Sahrens } 251fa9e4066Sahrens 252fa9e4066Sahrens if (dd_parent) { 25328e4da25SMatthew Ahrens if (mdb_dsl_dir_name(dd_parent, buf)) 254fa9e4066Sahrens return (DCMD_ERR); 255fa9e4066Sahrens strcat(buf, "/"); 256fa9e4066Sahrens } 257fa9e4066Sahrens 258fa9e4066Sahrens if (dd_myname[0]) 259fa9e4066Sahrens strcat(buf, dd_myname); 260fa9e4066Sahrens else 261fa9e4066Sahrens strcat(buf, "???"); 262fa9e4066Sahrens 263fa9e4066Sahrens return (0); 264fa9e4066Sahrens } 265fa9e4066Sahrens 266fa9e4066Sahrens static int 267fa9e4066Sahrens objset_name(uintptr_t addr, char *buf) 268fa9e4066Sahrens { 269fa9e4066Sahrens static int gotid; 2704223fc7cSMark Shellenbaum static mdb_ctf_id_t os_id, ds_id; 271fa9e4066Sahrens uintptr_t os_dsl_dataset; 2729adfa60dSMatthew Ahrens char ds_snapname[ZFS_MAX_DATASET_NAME_LEN]; 273fa9e4066Sahrens uintptr_t ds_dir; 274fa9e4066Sahrens 275fa9e4066Sahrens buf[0] = '\0'; 276fa9e4066Sahrens 277fa9e4066Sahrens if (!gotid) { 27828e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "objset", 2794223fc7cSMark Shellenbaum &os_id) == -1) { 2804223fc7cSMark Shellenbaum mdb_warn("couldn't find struct objset"); 281fa9e4066Sahrens return (DCMD_ERR); 282fa9e4066Sahrens } 28328e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "dsl_dataset", 284fa9e4066Sahrens &ds_id) == -1) { 285fa9e4066Sahrens mdb_warn("couldn't find struct dsl_dataset"); 286fa9e4066Sahrens return (DCMD_ERR); 287fa9e4066Sahrens } 288fa9e4066Sahrens 289fa9e4066Sahrens gotid = TRUE; 290fa9e4066Sahrens } 291fa9e4066Sahrens 2924223fc7cSMark Shellenbaum if (GETMEMBID(addr, &os_id, os_dsl_dataset, os_dsl_dataset)) 293fa9e4066Sahrens return (DCMD_ERR); 294fa9e4066Sahrens 295fa9e4066Sahrens if (os_dsl_dataset == 0) { 296fa9e4066Sahrens strcat(buf, "mos"); 297fa9e4066Sahrens return (0); 298fa9e4066Sahrens } 299fa9e4066Sahrens 300fa9e4066Sahrens if (GETMEMBID(os_dsl_dataset, &ds_id, ds_snapname, ds_snapname) || 301fa9e4066Sahrens GETMEMBID(os_dsl_dataset, &ds_id, ds_dir, ds_dir)) { 302fa9e4066Sahrens return (DCMD_ERR); 303fa9e4066Sahrens } 304fa9e4066Sahrens 30528e4da25SMatthew Ahrens if (ds_dir && mdb_dsl_dir_name(ds_dir, buf)) 306fa9e4066Sahrens return (DCMD_ERR); 307fa9e4066Sahrens 308fa9e4066Sahrens if (ds_snapname[0]) { 309fa9e4066Sahrens strcat(buf, "@"); 310fa9e4066Sahrens strcat(buf, ds_snapname); 311fa9e4066Sahrens } 312fa9e4066Sahrens return (0); 313fa9e4066Sahrens } 314fa9e4066Sahrens 315*8363e80aSGeorge Wilson static int 316*8363e80aSGeorge Wilson enum_lookup(char *type, int val, const char *prefix, size_t size, char *out) 317fa9e4066Sahrens { 318fa9e4066Sahrens const char *cp; 319fa9e4066Sahrens size_t len = strlen(prefix); 320*8363e80aSGeorge Wilson mdb_ctf_id_t enum_type; 321*8363e80aSGeorge Wilson 322*8363e80aSGeorge Wilson if (mdb_ctf_lookup_by_name(type, &enum_type) != 0) { 323*8363e80aSGeorge Wilson mdb_warn("Could not find enum for %s", type); 324*8363e80aSGeorge Wilson return (-1); 325*8363e80aSGeorge Wilson } 326fa9e4066Sahrens 327*8363e80aSGeorge Wilson if ((cp = mdb_ctf_enum_name(enum_type, val)) != NULL) { 328fa9e4066Sahrens if (strncmp(cp, prefix, len) == 0) 329fa9e4066Sahrens cp += len; 330fa9e4066Sahrens (void) strncpy(out, cp, size); 331fa9e4066Sahrens } else { 332fa9e4066Sahrens mdb_snprintf(out, size, "? (%d)", val); 333fa9e4066Sahrens } 334*8363e80aSGeorge Wilson return (0); 335fa9e4066Sahrens } 336fa9e4066Sahrens 337614409b5Sahrens /* ARGSUSED */ 338614409b5Sahrens static int 339614409b5Sahrens zfs_params(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 340614409b5Sahrens { 341614409b5Sahrens /* 342614409b5Sahrens * This table can be approximately generated by running: 343614409b5Sahrens * egrep "^[a-z0-9_]+ [a-z0-9_]+( =.*)?;" *.c | cut -d ' ' -f 2 344614409b5Sahrens */ 345614409b5Sahrens static const char *params[] = { 346614409b5Sahrens "arc_reduce_dnlc_percent", 34769962b56SMatthew Ahrens "arc_lotsfree_percent", 34869962b56SMatthew Ahrens "zfs_dirty_data_max", 34969962b56SMatthew Ahrens "zfs_dirty_data_sync", 35069962b56SMatthew Ahrens "zfs_delay_max_ns", 35169962b56SMatthew Ahrens "zfs_delay_min_dirty_percent", 35269962b56SMatthew Ahrens "zfs_delay_scale", 35369962b56SMatthew Ahrens "zfs_vdev_max_active", 35469962b56SMatthew Ahrens "zfs_vdev_sync_read_min_active", 35569962b56SMatthew Ahrens "zfs_vdev_sync_read_max_active", 35669962b56SMatthew Ahrens "zfs_vdev_sync_write_min_active", 35769962b56SMatthew Ahrens "zfs_vdev_sync_write_max_active", 35869962b56SMatthew Ahrens "zfs_vdev_async_read_min_active", 35969962b56SMatthew Ahrens "zfs_vdev_async_read_max_active", 36069962b56SMatthew Ahrens "zfs_vdev_async_write_min_active", 36169962b56SMatthew Ahrens "zfs_vdev_async_write_max_active", 36269962b56SMatthew Ahrens "zfs_vdev_scrub_min_active", 36369962b56SMatthew Ahrens "zfs_vdev_scrub_max_active", 36469962b56SMatthew Ahrens "zfs_vdev_async_write_active_min_dirty_percent", 36569962b56SMatthew Ahrens "zfs_vdev_async_write_active_max_dirty_percent", 36669962b56SMatthew Ahrens "spa_asize_inflation", 367614409b5Sahrens "zfs_arc_max", 368614409b5Sahrens "zfs_arc_min", 36949e3519aSmaybee "arc_shrink_shift", 370614409b5Sahrens "zfs_mdcomp_disable", 371614409b5Sahrens "zfs_prefetch_disable", 372614409b5Sahrens "zfetch_max_streams", 373614409b5Sahrens "zfetch_min_sec_reap", 374614409b5Sahrens "zfetch_block_cap", 375614409b5Sahrens "zfetch_array_rd_sz", 376614409b5Sahrens "zfs_default_bs", 377614409b5Sahrens "zfs_default_ibs", 378614409b5Sahrens "metaslab_aliquot", 379614409b5Sahrens "reference_tracking_enable", 380614409b5Sahrens "reference_history", 381614409b5Sahrens "spa_max_replication_override", 382b24ab676SJeff Bonwick "spa_mode_global", 383614409b5Sahrens "zfs_flags", 3841ab7f2deSmaybee "zfs_txg_timeout", 385614409b5Sahrens "zfs_vdev_cache_max", 386614409b5Sahrens "zfs_vdev_cache_size", 387614409b5Sahrens "zfs_vdev_cache_bshift", 388614409b5Sahrens "vdev_mirror_shift", 389614409b5Sahrens "zfs_scrub_limit", 390b16da2e2SGeorge Wilson "zfs_no_scrub_io", 391b16da2e2SGeorge Wilson "zfs_no_scrub_prefetch", 392614409b5Sahrens "zfs_vdev_aggregation_limit", 393614409b5Sahrens "fzap_default_block_shift", 394614409b5Sahrens "zfs_immediate_write_sz", 395614409b5Sahrens "zfs_read_chunk_size", 396614409b5Sahrens "zfs_nocacheflush", 39755da60b9SMark J Musante "zil_replay_disable", 3981ab7f2deSmaybee "metaslab_gang_bang", 399d6e555bdSGeorge Wilson "metaslab_df_alloc_threshold", 400d6e555bdSGeorge Wilson "metaslab_df_free_pct", 401614409b5Sahrens "zio_injection_enabled", 402614409b5Sahrens "zvol_immediate_write_sz", 403614409b5Sahrens }; 404614409b5Sahrens 405b24ab676SJeff Bonwick for (int i = 0; i < sizeof (params) / sizeof (params[0]); i++) { 406614409b5Sahrens int sz; 407614409b5Sahrens uint64_t val64; 408614409b5Sahrens uint32_t *val32p = (uint32_t *)&val64; 409614409b5Sahrens 410614409b5Sahrens sz = mdb_readvar(&val64, params[i]); 411614409b5Sahrens if (sz == 4) { 412614409b5Sahrens mdb_printf("%s = 0x%x\n", params[i], *val32p); 413614409b5Sahrens } else if (sz == 8) { 414614409b5Sahrens mdb_printf("%s = 0x%llx\n", params[i], val64); 415614409b5Sahrens } else { 416614409b5Sahrens mdb_warn("variable %s not found", params[i]); 417614409b5Sahrens } 418614409b5Sahrens } 419614409b5Sahrens 420614409b5Sahrens return (DCMD_OK); 421614409b5Sahrens } 422614409b5Sahrens 423fa9e4066Sahrens /* ARGSUSED */ 424fa9e4066Sahrens static int 425fa9e4066Sahrens blkptr(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 426fa9e4066Sahrens { 427b24ab676SJeff Bonwick char type[80], checksum[80], compress[80]; 428b24ab676SJeff Bonwick blkptr_t blk, *bp = &blk; 429b24ab676SJeff Bonwick char buf[BP_SPRINTF_LEN]; 430fa9e4066Sahrens 431b24ab676SJeff Bonwick if (mdb_vread(&blk, sizeof (blkptr_t), addr) == -1) { 432fa9e4066Sahrens mdb_warn("failed to read blkptr_t"); 433fa9e4066Sahrens return (DCMD_ERR); 434fa9e4066Sahrens } 435fa9e4066Sahrens 436*8363e80aSGeorge Wilson if (enum_lookup("enum dmu_object_type", BP_GET_TYPE(bp), "DMU_OT_", 437*8363e80aSGeorge Wilson sizeof (type), type) == -1 || 438*8363e80aSGeorge Wilson enum_lookup("enum zio_checksum", BP_GET_CHECKSUM(bp), 439*8363e80aSGeorge Wilson "ZIO_CHECKSUM_", sizeof (checksum), checksum) == -1 || 440*8363e80aSGeorge Wilson enum_lookup("enum zio_compress", BP_GET_COMPRESS(bp), 441*8363e80aSGeorge Wilson "ZIO_COMPRESS_", sizeof (compress), compress) == -1) { 442b24ab676SJeff Bonwick mdb_warn("Could not find blkptr enumerated types"); 443fa9e4066Sahrens return (DCMD_ERR); 444fa9e4066Sahrens } 445fa9e4066Sahrens 44643466aaeSMax Grossman SNPRINTF_BLKPTR(mdb_snprintf, '\n', buf, sizeof (buf), bp, type, 44743466aaeSMax Grossman checksum, compress); 448fa9e4066Sahrens 449b24ab676SJeff Bonwick mdb_printf("%s\n", buf); 450fa9e4066Sahrens 451fa9e4066Sahrens return (DCMD_OK); 452fa9e4066Sahrens } 453fa9e4066Sahrens 45428e4da25SMatthew Ahrens typedef struct mdb_dmu_buf_impl { 45528e4da25SMatthew Ahrens struct { 45628e4da25SMatthew Ahrens uint64_t db_object; 4572515f5d4SJustin T. Gibbs uintptr_t db_data; 45828e4da25SMatthew Ahrens } db; 459d5ee8a13SMatthew Ahrens uintptr_t db_objset; 46028e4da25SMatthew Ahrens uint64_t db_level; 46128e4da25SMatthew Ahrens uint64_t db_blkid; 46228e4da25SMatthew Ahrens struct { 46328e4da25SMatthew Ahrens uint64_t rc_count; 46428e4da25SMatthew Ahrens } db_holds; 46528e4da25SMatthew Ahrens } mdb_dmu_buf_impl_t; 46628e4da25SMatthew Ahrens 467fa9e4066Sahrens /* ARGSUSED */ 468fa9e4066Sahrens static int 469fa9e4066Sahrens dbuf(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 470fa9e4066Sahrens { 47128e4da25SMatthew Ahrens mdb_dmu_buf_impl_t db; 472fa9e4066Sahrens char objectname[32]; 473fa9e4066Sahrens char blkidname[32]; 4749adfa60dSMatthew Ahrens char path[ZFS_MAX_DATASET_NAME_LEN]; 475ba3132cfSJoe Stein int ptr_width = (int)(sizeof (void *)) * 2; 476fa9e4066Sahrens 47728e4da25SMatthew Ahrens if (DCMD_HDRSPEC(flags)) 478ba3132cfSJoe Stein mdb_printf("%*s %8s %3s %9s %5s %s\n", 479ba3132cfSJoe Stein ptr_width, "addr", "object", "lvl", "blkid", "holds", "os"); 480fa9e4066Sahrens 48128e4da25SMatthew Ahrens if (mdb_ctf_vread(&db, ZFS_STRUCT "dmu_buf_impl", "mdb_dmu_buf_impl_t", 48228e4da25SMatthew Ahrens addr, 0) == -1) 483fa9e4066Sahrens return (DCMD_ERR); 484fa9e4066Sahrens 48528e4da25SMatthew Ahrens if (db.db.db_object == DMU_META_DNODE_OBJECT) 486fa9e4066Sahrens (void) strcpy(objectname, "mdn"); 487fa9e4066Sahrens else 488fa9e4066Sahrens (void) mdb_snprintf(objectname, sizeof (objectname), "%llx", 48928e4da25SMatthew Ahrens (u_longlong_t)db.db.db_object); 490fa9e4066Sahrens 49128e4da25SMatthew Ahrens if (db.db_blkid == DMU_BONUS_BLKID) 492fa9e4066Sahrens (void) strcpy(blkidname, "bonus"); 493fa9e4066Sahrens else 494fa9e4066Sahrens (void) mdb_snprintf(blkidname, sizeof (blkidname), "%llx", 49528e4da25SMatthew Ahrens (u_longlong_t)db.db_blkid); 496fa9e4066Sahrens 497d5ee8a13SMatthew Ahrens if (objset_name(db.db_objset, path)) { 49828e4da25SMatthew Ahrens return (DCMD_ERR); 499fa9e4066Sahrens } 500fa9e4066Sahrens 501ba3132cfSJoe Stein mdb_printf("%*p %8s %3u %9s %5llu %s\n", ptr_width, addr, 50228e4da25SMatthew Ahrens objectname, (int)db.db_level, blkidname, 50328e4da25SMatthew Ahrens db.db_holds.rc_count, path); 504fa9e4066Sahrens 505fa9e4066Sahrens return (DCMD_OK); 506fa9e4066Sahrens } 507fa9e4066Sahrens 508fa9e4066Sahrens /* ARGSUSED */ 509fa9e4066Sahrens static int 510fa9e4066Sahrens dbuf_stats(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 511fa9e4066Sahrens { 512fa9e4066Sahrens #define HISTOSZ 32 513fa9e4066Sahrens uintptr_t dbp; 514fa9e4066Sahrens dmu_buf_impl_t db; 515fa9e4066Sahrens dbuf_hash_table_t ht; 516fa9e4066Sahrens uint64_t bucket, ndbufs; 517fa9e4066Sahrens uint64_t histo[HISTOSZ]; 518fa9e4066Sahrens uint64_t histo2[HISTOSZ]; 519fa9e4066Sahrens int i, maxidx; 520fa9e4066Sahrens 521fa9e4066Sahrens if (mdb_readvar(&ht, "dbuf_hash_table") == -1) { 522fa9e4066Sahrens mdb_warn("failed to read 'dbuf_hash_table'"); 523fa9e4066Sahrens return (DCMD_ERR); 524fa9e4066Sahrens } 525fa9e4066Sahrens 526fa9e4066Sahrens for (i = 0; i < HISTOSZ; i++) { 527fa9e4066Sahrens histo[i] = 0; 528fa9e4066Sahrens histo2[i] = 0; 529fa9e4066Sahrens } 530fa9e4066Sahrens 531fa9e4066Sahrens ndbufs = 0; 532fa9e4066Sahrens for (bucket = 0; bucket < ht.hash_table_mask+1; bucket++) { 533fa9e4066Sahrens int len; 534fa9e4066Sahrens 535fa9e4066Sahrens if (mdb_vread(&dbp, sizeof (void *), 536fa9e4066Sahrens (uintptr_t)(ht.hash_table+bucket)) == -1) { 537fa9e4066Sahrens mdb_warn("failed to read hash bucket %u at %p", 538fa9e4066Sahrens bucket, ht.hash_table+bucket); 539fa9e4066Sahrens return (DCMD_ERR); 540fa9e4066Sahrens } 541fa9e4066Sahrens 542fa9e4066Sahrens len = 0; 543fa9e4066Sahrens while (dbp != 0) { 544fa9e4066Sahrens if (mdb_vread(&db, sizeof (dmu_buf_impl_t), 545fa9e4066Sahrens dbp) == -1) { 546fa9e4066Sahrens mdb_warn("failed to read dbuf at %p", dbp); 547fa9e4066Sahrens return (DCMD_ERR); 548fa9e4066Sahrens } 549fa9e4066Sahrens dbp = (uintptr_t)db.db_hash_next; 550fa9e4066Sahrens for (i = MIN(len, HISTOSZ - 1); i >= 0; i--) 551fa9e4066Sahrens histo2[i]++; 552fa9e4066Sahrens len++; 553fa9e4066Sahrens ndbufs++; 554fa9e4066Sahrens } 555fa9e4066Sahrens 556fa9e4066Sahrens if (len >= HISTOSZ) 557fa9e4066Sahrens len = HISTOSZ-1; 558fa9e4066Sahrens histo[len]++; 559fa9e4066Sahrens } 560fa9e4066Sahrens 561fa9e4066Sahrens mdb_printf("hash table has %llu buckets, %llu dbufs " 562fa9e4066Sahrens "(avg %llu buckets/dbuf)\n", 563fa9e4066Sahrens ht.hash_table_mask+1, ndbufs, 564fa9e4066Sahrens (ht.hash_table_mask+1)/ndbufs); 565fa9e4066Sahrens 566fa9e4066Sahrens mdb_printf("\n"); 567fa9e4066Sahrens maxidx = 0; 568fa9e4066Sahrens for (i = 0; i < HISTOSZ; i++) 569fa9e4066Sahrens if (histo[i] > 0) 570fa9e4066Sahrens maxidx = i; 571fa9e4066Sahrens mdb_printf("hash chain length number of buckets\n"); 572fa9e4066Sahrens for (i = 0; i <= maxidx; i++) 573fa9e4066Sahrens mdb_printf("%u %llu\n", i, histo[i]); 574fa9e4066Sahrens 575fa9e4066Sahrens mdb_printf("\n"); 576fa9e4066Sahrens maxidx = 0; 577fa9e4066Sahrens for (i = 0; i < HISTOSZ; i++) 578fa9e4066Sahrens if (histo2[i] > 0) 579fa9e4066Sahrens maxidx = i; 580fa9e4066Sahrens mdb_printf("hash chain depth number of dbufs\n"); 581fa9e4066Sahrens for (i = 0; i <= maxidx; i++) 582fa9e4066Sahrens mdb_printf("%u or more %llu %llu%%\n", 583fa9e4066Sahrens i, histo2[i], histo2[i]*100/ndbufs); 584fa9e4066Sahrens 585fa9e4066Sahrens 586fa9e4066Sahrens return (DCMD_OK); 587fa9e4066Sahrens } 588fa9e4066Sahrens 5893f1f8012SMatthew Ahrens #define CHAIN_END 0xffff 5903f1f8012SMatthew Ahrens /* 5913f1f8012SMatthew Ahrens * ::zap_leaf [-v] 5923f1f8012SMatthew Ahrens * 5933f1f8012SMatthew Ahrens * Print a zap_leaf_phys_t, assumed to be 16k 5943f1f8012SMatthew Ahrens */ 5953f1f8012SMatthew Ahrens /* ARGSUSED */ 5963f1f8012SMatthew Ahrens static int 5973f1f8012SMatthew Ahrens zap_leaf(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 5983f1f8012SMatthew Ahrens { 5993f1f8012SMatthew Ahrens char buf[16*1024]; 6003f1f8012SMatthew Ahrens int verbose = B_FALSE; 6013f1f8012SMatthew Ahrens int four = B_FALSE; 602c1379625SJustin T. Gibbs dmu_buf_t l_dbuf; 6033f1f8012SMatthew Ahrens zap_leaf_t l; 6043f1f8012SMatthew Ahrens zap_leaf_phys_t *zlp = (void *)buf; 6053f1f8012SMatthew Ahrens int i; 6063f1f8012SMatthew Ahrens 6073f1f8012SMatthew Ahrens if (mdb_getopts(argc, argv, 6083f1f8012SMatthew Ahrens 'v', MDB_OPT_SETBITS, TRUE, &verbose, 6093f1f8012SMatthew Ahrens '4', MDB_OPT_SETBITS, TRUE, &four, 6103f1f8012SMatthew Ahrens NULL) != argc) 6113f1f8012SMatthew Ahrens return (DCMD_USAGE); 6123f1f8012SMatthew Ahrens 613c1379625SJustin T. Gibbs l_dbuf.db_data = zlp; 614c1379625SJustin T. Gibbs l.l_dbuf = &l_dbuf; 6153f1f8012SMatthew Ahrens l.l_bs = 14; /* assume 16k blocks */ 6163f1f8012SMatthew Ahrens if (four) 6173f1f8012SMatthew Ahrens l.l_bs = 12; 6183f1f8012SMatthew Ahrens 6193f1f8012SMatthew Ahrens if (!(flags & DCMD_ADDRSPEC)) { 6203f1f8012SMatthew Ahrens return (DCMD_USAGE); 6213f1f8012SMatthew Ahrens } 6223f1f8012SMatthew Ahrens 6233f1f8012SMatthew Ahrens if (mdb_vread(buf, sizeof (buf), addr) == -1) { 6243f1f8012SMatthew Ahrens mdb_warn("failed to read zap_leaf_phys_t at %p", addr); 6253f1f8012SMatthew Ahrens return (DCMD_ERR); 6263f1f8012SMatthew Ahrens } 6273f1f8012SMatthew Ahrens 6283f1f8012SMatthew Ahrens if (zlp->l_hdr.lh_block_type != ZBT_LEAF || 6293f1f8012SMatthew Ahrens zlp->l_hdr.lh_magic != ZAP_LEAF_MAGIC) { 6303f1f8012SMatthew Ahrens mdb_warn("This does not appear to be a zap_leaf_phys_t"); 6313f1f8012SMatthew Ahrens return (DCMD_ERR); 6323f1f8012SMatthew Ahrens } 6333f1f8012SMatthew Ahrens 6343f1f8012SMatthew Ahrens mdb_printf("zap_leaf_phys_t at %p:\n", addr); 6353f1f8012SMatthew Ahrens mdb_printf(" lh_prefix_len = %u\n", zlp->l_hdr.lh_prefix_len); 6363f1f8012SMatthew Ahrens mdb_printf(" lh_prefix = %llx\n", zlp->l_hdr.lh_prefix); 6373f1f8012SMatthew Ahrens mdb_printf(" lh_nentries = %u\n", zlp->l_hdr.lh_nentries); 6383f1f8012SMatthew Ahrens mdb_printf(" lh_nfree = %u\n", zlp->l_hdr.lh_nfree, 6393f1f8012SMatthew Ahrens zlp->l_hdr.lh_nfree * 100 / (ZAP_LEAF_NUMCHUNKS(&l))); 6403f1f8012SMatthew Ahrens mdb_printf(" lh_freelist = %u\n", zlp->l_hdr.lh_freelist); 6413f1f8012SMatthew Ahrens mdb_printf(" lh_flags = %x (%s)\n", zlp->l_hdr.lh_flags, 6423f1f8012SMatthew Ahrens zlp->l_hdr.lh_flags & ZLF_ENTRIES_CDSORTED ? 6433f1f8012SMatthew Ahrens "ENTRIES_CDSORTED" : ""); 6443f1f8012SMatthew Ahrens 6453f1f8012SMatthew Ahrens if (verbose) { 6463f1f8012SMatthew Ahrens mdb_printf(" hash table:\n"); 6473f1f8012SMatthew Ahrens for (i = 0; i < ZAP_LEAF_HASH_NUMENTRIES(&l); i++) { 6483f1f8012SMatthew Ahrens if (zlp->l_hash[i] != CHAIN_END) 6493f1f8012SMatthew Ahrens mdb_printf(" %u: %u\n", i, zlp->l_hash[i]); 6503f1f8012SMatthew Ahrens } 6513f1f8012SMatthew Ahrens } 6523f1f8012SMatthew Ahrens 6533f1f8012SMatthew Ahrens mdb_printf(" chunks:\n"); 6543f1f8012SMatthew Ahrens for (i = 0; i < ZAP_LEAF_NUMCHUNKS(&l); i++) { 6553f1f8012SMatthew Ahrens /* LINTED: alignment */ 6563f1f8012SMatthew Ahrens zap_leaf_chunk_t *zlc = &ZAP_LEAF_CHUNK(&l, i); 6573f1f8012SMatthew Ahrens switch (zlc->l_entry.le_type) { 6583f1f8012SMatthew Ahrens case ZAP_CHUNK_FREE: 6593f1f8012SMatthew Ahrens if (verbose) { 6603f1f8012SMatthew Ahrens mdb_printf(" %u: free; lf_next = %u\n", 6613f1f8012SMatthew Ahrens i, zlc->l_free.lf_next); 6623f1f8012SMatthew Ahrens } 6633f1f8012SMatthew Ahrens break; 6643f1f8012SMatthew Ahrens case ZAP_CHUNK_ENTRY: 6653f1f8012SMatthew Ahrens mdb_printf(" %u: entry\n", i); 6663f1f8012SMatthew Ahrens if (verbose) { 6673f1f8012SMatthew Ahrens mdb_printf(" le_next = %u\n", 6683f1f8012SMatthew Ahrens zlc->l_entry.le_next); 6693f1f8012SMatthew Ahrens } 6703f1f8012SMatthew Ahrens mdb_printf(" le_name_chunk = %u\n", 6713f1f8012SMatthew Ahrens zlc->l_entry.le_name_chunk); 6723f1f8012SMatthew Ahrens mdb_printf(" le_name_numints = %u\n", 6733f1f8012SMatthew Ahrens zlc->l_entry.le_name_numints); 6743f1f8012SMatthew Ahrens mdb_printf(" le_value_chunk = %u\n", 6753f1f8012SMatthew Ahrens zlc->l_entry.le_value_chunk); 6763f1f8012SMatthew Ahrens mdb_printf(" le_value_intlen = %u\n", 6773f1f8012SMatthew Ahrens zlc->l_entry.le_value_intlen); 6783f1f8012SMatthew Ahrens mdb_printf(" le_value_numints = %u\n", 6793f1f8012SMatthew Ahrens zlc->l_entry.le_value_numints); 6803f1f8012SMatthew Ahrens mdb_printf(" le_cd = %u\n", 6813f1f8012SMatthew Ahrens zlc->l_entry.le_cd); 6823f1f8012SMatthew Ahrens mdb_printf(" le_hash = %llx\n", 6833f1f8012SMatthew Ahrens zlc->l_entry.le_hash); 6843f1f8012SMatthew Ahrens break; 6853f1f8012SMatthew Ahrens case ZAP_CHUNK_ARRAY: 6863f9d6ad7SLin Ling mdb_printf(" %u: array", i); 6873f9d6ad7SLin Ling if (strisprint((char *)zlc->l_array.la_array)) 6883f9d6ad7SLin Ling mdb_printf(" \"%s\"", zlc->l_array.la_array); 6893f9d6ad7SLin Ling mdb_printf("\n"); 6903f1f8012SMatthew Ahrens if (verbose) { 6913f1f8012SMatthew Ahrens int j; 6923f1f8012SMatthew Ahrens mdb_printf(" "); 6933f1f8012SMatthew Ahrens for (j = 0; j < ZAP_LEAF_ARRAY_BYTES; j++) { 6943f1f8012SMatthew Ahrens mdb_printf("%02x ", 6953f1f8012SMatthew Ahrens zlc->l_array.la_array[j]); 6963f1f8012SMatthew Ahrens } 6973f1f8012SMatthew Ahrens mdb_printf("\n"); 6983f1f8012SMatthew Ahrens } 6993f1f8012SMatthew Ahrens if (zlc->l_array.la_next != CHAIN_END) { 7003f1f8012SMatthew Ahrens mdb_printf(" lf_next = %u\n", 7013f1f8012SMatthew Ahrens zlc->l_array.la_next); 7023f1f8012SMatthew Ahrens } 7033f1f8012SMatthew Ahrens break; 7043f1f8012SMatthew Ahrens default: 7053f1f8012SMatthew Ahrens mdb_printf(" %u: undefined type %u\n", 7063f1f8012SMatthew Ahrens zlc->l_entry.le_type); 7073f1f8012SMatthew Ahrens } 7083f1f8012SMatthew Ahrens } 7093f1f8012SMatthew Ahrens 7103f1f8012SMatthew Ahrens return (DCMD_OK); 7113f1f8012SMatthew Ahrens } 7123f1f8012SMatthew Ahrens 713fa9e4066Sahrens typedef struct dbufs_data { 714fa9e4066Sahrens mdb_ctf_id_t id; 715fa9e4066Sahrens uint64_t objset; 716fa9e4066Sahrens uint64_t object; 717fa9e4066Sahrens uint64_t level; 718fa9e4066Sahrens uint64_t blkid; 719fa9e4066Sahrens char *osname; 720fa9e4066Sahrens } dbufs_data_t; 721fa9e4066Sahrens 722fa9e4066Sahrens #define DBUFS_UNSET (0xbaddcafedeadbeefULL) 723fa9e4066Sahrens 724fa9e4066Sahrens /* ARGSUSED */ 725fa9e4066Sahrens static int 726fa9e4066Sahrens dbufs_cb(uintptr_t addr, const void *unknown, void *arg) 727fa9e4066Sahrens { 728fa9e4066Sahrens dbufs_data_t *data = arg; 729fa9e4066Sahrens uintptr_t objset; 730fa9e4066Sahrens dmu_buf_t db; 731fa9e4066Sahrens uint8_t level; 732fa9e4066Sahrens uint64_t blkid; 7339adfa60dSMatthew Ahrens char osname[ZFS_MAX_DATASET_NAME_LEN]; 734fa9e4066Sahrens 735fa9e4066Sahrens if (GETMEMBID(addr, &data->id, db_objset, objset) || 736fa9e4066Sahrens GETMEMBID(addr, &data->id, db, db) || 737fa9e4066Sahrens GETMEMBID(addr, &data->id, db_level, level) || 738fa9e4066Sahrens GETMEMBID(addr, &data->id, db_blkid, blkid)) { 739fa9e4066Sahrens return (WALK_ERR); 740fa9e4066Sahrens } 741fa9e4066Sahrens 742fa9e4066Sahrens if ((data->objset == DBUFS_UNSET || data->objset == objset) && 743fa9e4066Sahrens (data->osname == NULL || (objset_name(objset, osname) == 0 && 744ccae0b50Seschrock strcmp(data->osname, osname) == 0)) && 745fa9e4066Sahrens (data->object == DBUFS_UNSET || data->object == db.db_object) && 746fa9e4066Sahrens (data->level == DBUFS_UNSET || data->level == level) && 747fa9e4066Sahrens (data->blkid == DBUFS_UNSET || data->blkid == blkid)) { 748fa9e4066Sahrens mdb_printf("%#lr\n", addr); 749fa9e4066Sahrens } 750fa9e4066Sahrens return (WALK_NEXT); 751fa9e4066Sahrens } 752fa9e4066Sahrens 753fa9e4066Sahrens /* ARGSUSED */ 754fa9e4066Sahrens static int 755fa9e4066Sahrens dbufs(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 756fa9e4066Sahrens { 757fa9e4066Sahrens dbufs_data_t data; 758fa9e4066Sahrens char *object = NULL; 759fa9e4066Sahrens char *blkid = NULL; 760fa9e4066Sahrens 761fa9e4066Sahrens data.objset = data.object = data.level = data.blkid = DBUFS_UNSET; 762fa9e4066Sahrens data.osname = NULL; 763fa9e4066Sahrens 764fa9e4066Sahrens if (mdb_getopts(argc, argv, 765fa9e4066Sahrens 'O', MDB_OPT_UINT64, &data.objset, 766fa9e4066Sahrens 'n', MDB_OPT_STR, &data.osname, 767fa9e4066Sahrens 'o', MDB_OPT_STR, &object, 768fa9e4066Sahrens 'l', MDB_OPT_UINT64, &data.level, 769fa9e4066Sahrens 'b', MDB_OPT_STR, &blkid) != argc) { 770fa9e4066Sahrens return (DCMD_USAGE); 771fa9e4066Sahrens } 772fa9e4066Sahrens 773fa9e4066Sahrens if (object) { 774fa9e4066Sahrens if (strcmp(object, "mdn") == 0) { 775fa9e4066Sahrens data.object = DMU_META_DNODE_OBJECT; 776fa9e4066Sahrens } else { 777fa9e4066Sahrens data.object = mdb_strtoull(object); 778fa9e4066Sahrens } 779fa9e4066Sahrens } 780fa9e4066Sahrens 781fa9e4066Sahrens if (blkid) { 782fa9e4066Sahrens if (strcmp(blkid, "bonus") == 0) { 7830a586ceaSMark Shellenbaum data.blkid = DMU_BONUS_BLKID; 784fa9e4066Sahrens } else { 785fa9e4066Sahrens data.blkid = mdb_strtoull(blkid); 786fa9e4066Sahrens } 787fa9e4066Sahrens } 788fa9e4066Sahrens 78928e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "dmu_buf_impl", &data.id) == -1) { 790fa9e4066Sahrens mdb_warn("couldn't find struct dmu_buf_impl_t"); 791fa9e4066Sahrens return (DCMD_ERR); 792fa9e4066Sahrens } 793fa9e4066Sahrens 7945f5f7a6fSahrens if (mdb_walk("dmu_buf_impl_t", dbufs_cb, &data) != 0) { 795fa9e4066Sahrens mdb_warn("can't walk dbufs"); 796fa9e4066Sahrens return (DCMD_ERR); 797fa9e4066Sahrens } 798fa9e4066Sahrens 799fa9e4066Sahrens return (DCMD_OK); 800fa9e4066Sahrens } 801fa9e4066Sahrens 802fa9e4066Sahrens typedef struct abuf_find_data { 803fa9e4066Sahrens dva_t dva; 804fa9e4066Sahrens mdb_ctf_id_t id; 805fa9e4066Sahrens } abuf_find_data_t; 806fa9e4066Sahrens 807fa9e4066Sahrens /* ARGSUSED */ 808fa9e4066Sahrens static int 809fa9e4066Sahrens abuf_find_cb(uintptr_t addr, const void *unknown, void *arg) 810fa9e4066Sahrens { 811fa9e4066Sahrens abuf_find_data_t *data = arg; 812fa9e4066Sahrens dva_t dva; 813fa9e4066Sahrens 814fa9e4066Sahrens if (GETMEMBID(addr, &data->id, b_dva, dva)) { 815fa9e4066Sahrens return (WALK_ERR); 816fa9e4066Sahrens } 817fa9e4066Sahrens 818fa9e4066Sahrens if (dva.dva_word[0] == data->dva.dva_word[0] && 819fa9e4066Sahrens dva.dva_word[1] == data->dva.dva_word[1]) { 820fa9e4066Sahrens mdb_printf("%#lr\n", addr); 821fa9e4066Sahrens } 822fa9e4066Sahrens return (WALK_NEXT); 823fa9e4066Sahrens } 824fa9e4066Sahrens 825fa9e4066Sahrens /* ARGSUSED */ 826fa9e4066Sahrens static int 827fa9e4066Sahrens abuf_find(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 828fa9e4066Sahrens { 829fa9e4066Sahrens abuf_find_data_t data; 830fa9e4066Sahrens GElf_Sym sym; 831fa9e4066Sahrens int i; 832fa9e4066Sahrens const char *syms[] = { 833a2eea2e1Sahrens "ARC_mru", 834a2eea2e1Sahrens "ARC_mru_ghost", 835a2eea2e1Sahrens "ARC_mfu", 836a2eea2e1Sahrens "ARC_mfu_ghost", 837fa9e4066Sahrens }; 838fa9e4066Sahrens 839fa9e4066Sahrens if (argc != 2) 840fa9e4066Sahrens return (DCMD_USAGE); 841fa9e4066Sahrens 842fa9e4066Sahrens for (i = 0; i < 2; i ++) { 843fa9e4066Sahrens switch (argv[i].a_type) { 844fa9e4066Sahrens case MDB_TYPE_STRING: 845fa9e4066Sahrens data.dva.dva_word[i] = mdb_strtoull(argv[i].a_un.a_str); 846fa9e4066Sahrens break; 847fa9e4066Sahrens case MDB_TYPE_IMMEDIATE: 848fa9e4066Sahrens data.dva.dva_word[i] = argv[i].a_un.a_val; 849fa9e4066Sahrens break; 850fa9e4066Sahrens default: 851fa9e4066Sahrens return (DCMD_USAGE); 852fa9e4066Sahrens } 853fa9e4066Sahrens } 854fa9e4066Sahrens 85528e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "arc_buf_hdr", &data.id) == -1) { 856fa9e4066Sahrens mdb_warn("couldn't find struct arc_buf_hdr"); 857fa9e4066Sahrens return (DCMD_ERR); 858fa9e4066Sahrens } 859fa9e4066Sahrens 860fa9e4066Sahrens for (i = 0; i < sizeof (syms) / sizeof (syms[0]); i++) { 86122ce0148SMatthew Ahrens if (mdb_lookup_by_obj(ZFS_OBJ_NAME, syms[i], &sym)) { 862fa9e4066Sahrens mdb_warn("can't find symbol %s", syms[i]); 863fa9e4066Sahrens return (DCMD_ERR); 864fa9e4066Sahrens } 865fa9e4066Sahrens 866fa9e4066Sahrens if (mdb_pwalk("list", abuf_find_cb, &data, sym.st_value) != 0) { 867fa9e4066Sahrens mdb_warn("can't walk %s", syms[i]); 868fa9e4066Sahrens return (DCMD_ERR); 869fa9e4066Sahrens } 870fa9e4066Sahrens } 871fa9e4066Sahrens 872fa9e4066Sahrens return (DCMD_OK); 873fa9e4066Sahrens } 874fa9e4066Sahrens 87528e4da25SMatthew Ahrens 87628e4da25SMatthew Ahrens typedef struct dbgmsg_arg { 87728e4da25SMatthew Ahrens boolean_t da_verbose; 87828e4da25SMatthew Ahrens boolean_t da_address; 87928e4da25SMatthew Ahrens } dbgmsg_arg_t; 88028e4da25SMatthew Ahrens 8813f9d6ad7SLin Ling /* ARGSUSED */ 8823f9d6ad7SLin Ling static int 8833f9d6ad7SLin Ling dbgmsg_cb(uintptr_t addr, const void *unknown, void *arg) 8843f9d6ad7SLin Ling { 8853f9d6ad7SLin Ling static mdb_ctf_id_t id; 8863f9d6ad7SLin Ling static boolean_t gotid; 8873f9d6ad7SLin Ling static ulong_t off; 8883f9d6ad7SLin Ling 88928e4da25SMatthew Ahrens dbgmsg_arg_t *da = arg; 8903f9d6ad7SLin Ling time_t timestamp; 8913f9d6ad7SLin Ling char buf[1024]; 8923f9d6ad7SLin Ling 8933f9d6ad7SLin Ling if (!gotid) { 89428e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "zfs_dbgmsg", &id) == 89528e4da25SMatthew Ahrens -1) { 8963f9d6ad7SLin Ling mdb_warn("couldn't find struct zfs_dbgmsg"); 8973f9d6ad7SLin Ling return (WALK_ERR); 8983f9d6ad7SLin Ling } 8993f9d6ad7SLin Ling gotid = TRUE; 9003f9d6ad7SLin Ling if (mdb_ctf_offsetof(id, "zdm_msg", &off) == -1) { 9013f9d6ad7SLin Ling mdb_warn("couldn't find zdm_msg"); 9023f9d6ad7SLin Ling return (WALK_ERR); 9033f9d6ad7SLin Ling } 9043f9d6ad7SLin Ling off /= 8; 9053f9d6ad7SLin Ling } 9063f9d6ad7SLin Ling 9073f9d6ad7SLin Ling 9083f9d6ad7SLin Ling if (GETMEMBID(addr, &id, zdm_timestamp, timestamp)) { 9093f9d6ad7SLin Ling return (WALK_ERR); 9103f9d6ad7SLin Ling } 9113f9d6ad7SLin Ling 9123f9d6ad7SLin Ling if (mdb_readstr(buf, sizeof (buf), addr + off) == -1) { 9133f9d6ad7SLin Ling mdb_warn("failed to read zdm_msg at %p\n", addr + off); 9143f9d6ad7SLin Ling return (DCMD_ERR); 9153f9d6ad7SLin Ling } 9163f9d6ad7SLin Ling 91728e4da25SMatthew Ahrens if (da->da_address) 91828e4da25SMatthew Ahrens mdb_printf("%p ", addr); 91928e4da25SMatthew Ahrens if (da->da_verbose) 9203f9d6ad7SLin Ling mdb_printf("%Y ", timestamp); 9213f9d6ad7SLin Ling 9223f9d6ad7SLin Ling mdb_printf("%s\n", buf); 9233f9d6ad7SLin Ling 92428e4da25SMatthew Ahrens if (da->da_verbose) 9253f9d6ad7SLin Ling (void) mdb_call_dcmd("whatis", addr, DCMD_ADDRSPEC, 0, NULL); 9263f9d6ad7SLin Ling 9273f9d6ad7SLin Ling return (WALK_NEXT); 9283f9d6ad7SLin Ling } 9293f9d6ad7SLin Ling 9303f9d6ad7SLin Ling /* ARGSUSED */ 9313f9d6ad7SLin Ling static int 9323f9d6ad7SLin Ling dbgmsg(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 9333f9d6ad7SLin Ling { 9343f9d6ad7SLin Ling GElf_Sym sym; 93528e4da25SMatthew Ahrens dbgmsg_arg_t da = { 0 }; 9363f9d6ad7SLin Ling 9373f9d6ad7SLin Ling if (mdb_getopts(argc, argv, 93828e4da25SMatthew Ahrens 'v', MDB_OPT_SETBITS, B_TRUE, &da.da_verbose, 93928e4da25SMatthew Ahrens 'a', MDB_OPT_SETBITS, B_TRUE, &da.da_address, 9403f9d6ad7SLin Ling NULL) != argc) 9413f9d6ad7SLin Ling return (DCMD_USAGE); 9423f9d6ad7SLin Ling 9433b2aab18SMatthew Ahrens if (mdb_lookup_by_obj(ZFS_OBJ_NAME, "zfs_dbgmsgs", &sym)) { 9443f9d6ad7SLin Ling mdb_warn("can't find zfs_dbgmsgs"); 9453f9d6ad7SLin Ling return (DCMD_ERR); 9463f9d6ad7SLin Ling } 9473f9d6ad7SLin Ling 94828e4da25SMatthew Ahrens if (mdb_pwalk("list", dbgmsg_cb, &da, sym.st_value) != 0) { 9493f9d6ad7SLin Ling mdb_warn("can't walk zfs_dbgmsgs"); 9503f9d6ad7SLin Ling return (DCMD_ERR); 9513f9d6ad7SLin Ling } 9523f9d6ad7SLin Ling 9533f9d6ad7SLin Ling return (DCMD_OK); 9543f9d6ad7SLin Ling } 9553f9d6ad7SLin Ling 95644cb6abcSbmc /*ARGSUSED*/ 95744cb6abcSbmc static int 95844cb6abcSbmc arc_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 95944cb6abcSbmc { 96044cb6abcSbmc kstat_named_t *stats; 96144cb6abcSbmc GElf_Sym sym; 96291ebeef5Sahrens int nstats, i; 96344cb6abcSbmc uint_t opt_a = FALSE; 96491ebeef5Sahrens uint_t opt_b = FALSE; 96591ebeef5Sahrens uint_t shift = 0; 96691ebeef5Sahrens const char *suffix; 96744cb6abcSbmc 96891ebeef5Sahrens static const char *bytestats[] = { 9699253d63dSGeorge Wilson "p", "c", "c_min", "c_max", "size", "duplicate_buffers_size", 97020128a08SGeorge Wilson "arc_meta_used", "arc_meta_limit", "arc_meta_max", 9714076b1bfSPrakash Surya "arc_meta_min", "hdr_size", "data_size", "metadata_size", 9724076b1bfSPrakash Surya "other_size", "anon_size", "anon_evictable_data", 9734076b1bfSPrakash Surya "anon_evictable_metadata", "mru_size", "mru_evictable_data", 9744076b1bfSPrakash Surya "mru_evictable_metadata", "mru_ghost_size", 9754076b1bfSPrakash Surya "mru_ghost_evictable_data", "mru_ghost_evictable_metadata", 9764076b1bfSPrakash Surya "mfu_size", "mfu_evictable_data", "mfu_evictable_metadata", 9774076b1bfSPrakash Surya "mfu_ghost_size", "mfu_ghost_evictable_data", 9784076b1bfSPrakash Surya "mfu_ghost_evictable_metadata", "evict_l2_cached", 9794076b1bfSPrakash Surya "evict_l2_eligible", "evict_l2_ineligible", "l2_read_bytes", 9804076b1bfSPrakash Surya "l2_write_bytes", "l2_size", "l2_asize", "l2_hdr_size", 981dcbf3bd6SGeorge Wilson "compressed_size", "uncompressed_size", "overhead_size", 9829253d63dSGeorge Wilson NULL 98391ebeef5Sahrens }; 98491ebeef5Sahrens 98591ebeef5Sahrens static const char *extras[] = { 98691ebeef5Sahrens "arc_no_grow", "arc_tempreserve", 98791ebeef5Sahrens NULL 98844cb6abcSbmc }; 98944cb6abcSbmc 99022ce0148SMatthew Ahrens if (mdb_lookup_by_obj(ZFS_OBJ_NAME, "arc_stats", &sym) == -1) { 99144cb6abcSbmc mdb_warn("failed to find 'arc_stats'"); 99244cb6abcSbmc return (DCMD_ERR); 99344cb6abcSbmc } 99444cb6abcSbmc 99544cb6abcSbmc stats = mdb_zalloc(sym.st_size, UM_SLEEP | UM_GC); 99644cb6abcSbmc 99744cb6abcSbmc if (mdb_vread(stats, sym.st_size, sym.st_value) == -1) { 99844cb6abcSbmc mdb_warn("couldn't read 'arc_stats' at %p", sym.st_value); 99944cb6abcSbmc return (DCMD_ERR); 100044cb6abcSbmc } 100144cb6abcSbmc 100244cb6abcSbmc nstats = sym.st_size / sizeof (kstat_named_t); 100344cb6abcSbmc 100491ebeef5Sahrens /* NB: -a / opt_a are ignored for backwards compatability */ 100591ebeef5Sahrens if (mdb_getopts(argc, argv, 100691ebeef5Sahrens 'a', MDB_OPT_SETBITS, TRUE, &opt_a, 100791ebeef5Sahrens 'b', MDB_OPT_SETBITS, TRUE, &opt_b, 100891ebeef5Sahrens 'k', MDB_OPT_SETBITS, 10, &shift, 100991ebeef5Sahrens 'm', MDB_OPT_SETBITS, 20, &shift, 101091ebeef5Sahrens 'g', MDB_OPT_SETBITS, 30, &shift, 101191ebeef5Sahrens NULL) != argc) 101244cb6abcSbmc return (DCMD_USAGE); 101344cb6abcSbmc 101491ebeef5Sahrens if (!opt_b && !shift) 101591ebeef5Sahrens shift = 20; 101691ebeef5Sahrens 101791ebeef5Sahrens switch (shift) { 101891ebeef5Sahrens case 0: 101991ebeef5Sahrens suffix = "B"; 102091ebeef5Sahrens break; 102191ebeef5Sahrens case 10: 102291ebeef5Sahrens suffix = "KB"; 102391ebeef5Sahrens break; 102491ebeef5Sahrens case 20: 102591ebeef5Sahrens suffix = "MB"; 102691ebeef5Sahrens break; 102791ebeef5Sahrens case 30: 102891ebeef5Sahrens suffix = "GB"; 102991ebeef5Sahrens break; 103091ebeef5Sahrens default: 103191ebeef5Sahrens suffix = "XX"; 103291ebeef5Sahrens } 103391ebeef5Sahrens 103491ebeef5Sahrens for (i = 0; i < nstats; i++) { 103591ebeef5Sahrens int j; 103691ebeef5Sahrens boolean_t bytes = B_FALSE; 103791ebeef5Sahrens 103891ebeef5Sahrens for (j = 0; bytestats[j]; j++) { 103991ebeef5Sahrens if (strcmp(stats[i].name, bytestats[j]) == 0) { 104091ebeef5Sahrens bytes = B_TRUE; 104191ebeef5Sahrens break; 104291ebeef5Sahrens } 104391ebeef5Sahrens } 104444cb6abcSbmc 104591ebeef5Sahrens if (bytes) { 104691ebeef5Sahrens mdb_printf("%-25s = %9llu %s\n", stats[i].name, 104791ebeef5Sahrens stats[i].value.ui64 >> shift, suffix); 104891ebeef5Sahrens } else { 104991ebeef5Sahrens mdb_printf("%-25s = %9llu\n", stats[i].name, 105044cb6abcSbmc stats[i].value.ui64); 105144cb6abcSbmc } 105244cb6abcSbmc } 105344cb6abcSbmc 105491ebeef5Sahrens for (i = 0; extras[i]; i++) { 105591ebeef5Sahrens uint64_t buf; 105644cb6abcSbmc 105722ce0148SMatthew Ahrens if (mdb_lookup_by_obj(ZFS_OBJ_NAME, extras[i], &sym) == -1) { 105891ebeef5Sahrens mdb_warn("failed to find '%s'", extras[i]); 105991ebeef5Sahrens return (DCMD_ERR); 106044cb6abcSbmc } 106144cb6abcSbmc 106291ebeef5Sahrens if (sym.st_size != sizeof (uint64_t) && 106391ebeef5Sahrens sym.st_size != sizeof (uint32_t)) { 106491ebeef5Sahrens mdb_warn("expected scalar for variable '%s'\n", 106591ebeef5Sahrens extras[i]); 106691ebeef5Sahrens return (DCMD_ERR); 106744cb6abcSbmc } 106844cb6abcSbmc 106991ebeef5Sahrens if (mdb_vread(&buf, sym.st_size, sym.st_value) == -1) { 107091ebeef5Sahrens mdb_warn("couldn't read '%s'", extras[i]); 107191ebeef5Sahrens return (DCMD_ERR); 107244cb6abcSbmc } 107344cb6abcSbmc 107491ebeef5Sahrens mdb_printf("%-25s = ", extras[i]); 107591ebeef5Sahrens 107691ebeef5Sahrens /* NB: all the 64-bit extras happen to be byte counts */ 107791ebeef5Sahrens if (sym.st_size == sizeof (uint64_t)) 107891ebeef5Sahrens mdb_printf("%9llu %s\n", buf >> shift, suffix); 107944cb6abcSbmc 108091ebeef5Sahrens if (sym.st_size == sizeof (uint32_t)) 108191ebeef5Sahrens mdb_printf("%9d\n", *((uint32_t *)&buf)); 108291ebeef5Sahrens } 108344cb6abcSbmc return (DCMD_OK); 108444cb6abcSbmc } 108544cb6abcSbmc 108622ce0148SMatthew Ahrens typedef struct mdb_spa_print { 108722ce0148SMatthew Ahrens pool_state_t spa_state; 10889adfa60dSMatthew Ahrens char spa_name[ZFS_MAX_DATASET_NAME_LEN]; 108991e2a09fSSteve Gonczi uintptr_t spa_normal_class; 109022ce0148SMatthew Ahrens } mdb_spa_print_t; 109122ce0148SMatthew Ahrens 109291e2a09fSSteve Gonczi 109391e2a09fSSteve Gonczi const char histo_stars[] = "****************************************"; 109491e2a09fSSteve Gonczi const int histo_width = sizeof (histo_stars) - 1; 109591e2a09fSSteve Gonczi 109691e2a09fSSteve Gonczi static void 109791e2a09fSSteve Gonczi dump_histogram(const uint64_t *histo, int size, int offset) 109891e2a09fSSteve Gonczi { 109991e2a09fSSteve Gonczi int i; 110091e2a09fSSteve Gonczi int minidx = size - 1; 110191e2a09fSSteve Gonczi int maxidx = 0; 110291e2a09fSSteve Gonczi uint64_t max = 0; 110391e2a09fSSteve Gonczi 110491e2a09fSSteve Gonczi for (i = 0; i < size; i++) { 110591e2a09fSSteve Gonczi if (histo[i] > max) 110691e2a09fSSteve Gonczi max = histo[i]; 110791e2a09fSSteve Gonczi if (histo[i] > 0 && i > maxidx) 110891e2a09fSSteve Gonczi maxidx = i; 110991e2a09fSSteve Gonczi if (histo[i] > 0 && i < minidx) 111091e2a09fSSteve Gonczi minidx = i; 111191e2a09fSSteve Gonczi } 111291e2a09fSSteve Gonczi 111391e2a09fSSteve Gonczi if (max < histo_width) 111491e2a09fSSteve Gonczi max = histo_width; 111591e2a09fSSteve Gonczi 111691e2a09fSSteve Gonczi for (i = minidx; i <= maxidx; i++) { 111791e2a09fSSteve Gonczi mdb_printf("%3u: %6llu %s\n", 111891e2a09fSSteve Gonczi i + offset, (u_longlong_t)histo[i], 111991e2a09fSSteve Gonczi &histo_stars[(max - histo[i]) * histo_width / max]); 112091e2a09fSSteve Gonczi } 112191e2a09fSSteve Gonczi } 112291e2a09fSSteve Gonczi 112391e2a09fSSteve Gonczi typedef struct mdb_metaslab_class { 112491e2a09fSSteve Gonczi uint64_t mc_histogram[RANGE_TREE_HISTOGRAM_SIZE]; 112591e2a09fSSteve Gonczi } mdb_metaslab_class_t; 112691e2a09fSSteve Gonczi 112791e2a09fSSteve Gonczi /* 112891e2a09fSSteve Gonczi * spa_class_histogram(uintptr_t class_addr) 112991e2a09fSSteve Gonczi * 113091e2a09fSSteve Gonczi * Prints free space histogram for a device class 113191e2a09fSSteve Gonczi * 113291e2a09fSSteve Gonczi * Returns DCMD_OK, or DCMD_ERR. 113391e2a09fSSteve Gonczi */ 113491e2a09fSSteve Gonczi static int 113591e2a09fSSteve Gonczi spa_class_histogram(uintptr_t class_addr) 113691e2a09fSSteve Gonczi { 113791e2a09fSSteve Gonczi mdb_metaslab_class_t mc; 113891e2a09fSSteve Gonczi if (mdb_ctf_vread(&mc, "metaslab_class_t", 113991e2a09fSSteve Gonczi "mdb_metaslab_class_t", class_addr, 0) == -1) 114091e2a09fSSteve Gonczi return (DCMD_ERR); 114191e2a09fSSteve Gonczi 114291e2a09fSSteve Gonczi mdb_inc_indent(4); 114391e2a09fSSteve Gonczi dump_histogram(mc.mc_histogram, RANGE_TREE_HISTOGRAM_SIZE, 0); 114491e2a09fSSteve Gonczi mdb_dec_indent(4); 114591e2a09fSSteve Gonczi return (DCMD_OK); 114691e2a09fSSteve Gonczi } 114791e2a09fSSteve Gonczi 1148fa9e4066Sahrens /* 1149fa9e4066Sahrens * ::spa 1150fa9e4066Sahrens * 115122ce0148SMatthew Ahrens * -c Print configuration information as well 115222ce0148SMatthew Ahrens * -v Print vdev state 115322ce0148SMatthew Ahrens * -e Print vdev error stats 11542e4c9986SGeorge Wilson * -m Print vdev metaslab info 11552e4c9986SGeorge Wilson * -M print vdev metaslab group info 11562e4c9986SGeorge Wilson * -h Print histogram info (must be combined with -m or -M) 1157fa9e4066Sahrens * 1158fa9e4066Sahrens * Print a summarized spa_t. When given no arguments, prints out a table of all 1159fa9e4066Sahrens * active pools on the system. 1160fa9e4066Sahrens */ 1161fa9e4066Sahrens /* ARGSUSED */ 1162fa9e4066Sahrens static int 1163fa9e4066Sahrens spa_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1164fa9e4066Sahrens { 1165fa9e4066Sahrens const char *statetab[] = { "ACTIVE", "EXPORTED", "DESTROYED", 1166e14bb325SJeff Bonwick "SPARE", "L2CACHE", "UNINIT", "UNAVAIL", "POTENTIAL" }; 1167fa9e4066Sahrens const char *state; 11682e4c9986SGeorge Wilson int spa_flags = 0; 1169fa9e4066Sahrens 1170fa9e4066Sahrens if (mdb_getopts(argc, argv, 11712e4c9986SGeorge Wilson 'c', MDB_OPT_SETBITS, SPA_FLAG_CONFIG, &spa_flags, 11722e4c9986SGeorge Wilson 'v', MDB_OPT_SETBITS, SPA_FLAG_VDEVS, &spa_flags, 11732e4c9986SGeorge Wilson 'e', MDB_OPT_SETBITS, SPA_FLAG_ERRORS, &spa_flags, 11742e4c9986SGeorge Wilson 'M', MDB_OPT_SETBITS, SPA_FLAG_METASLAB_GROUPS, &spa_flags, 11752e4c9986SGeorge Wilson 'm', MDB_OPT_SETBITS, SPA_FLAG_METASLABS, &spa_flags, 11762e4c9986SGeorge Wilson 'h', MDB_OPT_SETBITS, SPA_FLAG_HISTOGRAMS, &spa_flags, 1177fa9e4066Sahrens NULL) != argc) 1178fa9e4066Sahrens return (DCMD_USAGE); 1179fa9e4066Sahrens 1180fa9e4066Sahrens if (!(flags & DCMD_ADDRSPEC)) { 1181fa9e4066Sahrens if (mdb_walk_dcmd("spa", "spa", argc, argv) == -1) { 1182fa9e4066Sahrens mdb_warn("can't walk spa"); 1183fa9e4066Sahrens return (DCMD_ERR); 1184fa9e4066Sahrens } 1185fa9e4066Sahrens 1186fa9e4066Sahrens return (DCMD_OK); 1187fa9e4066Sahrens } 1188fa9e4066Sahrens 1189fa9e4066Sahrens if (flags & DCMD_PIPE_OUT) { 1190fa9e4066Sahrens mdb_printf("%#lr\n", addr); 1191fa9e4066Sahrens return (DCMD_OK); 1192fa9e4066Sahrens } 1193fa9e4066Sahrens 1194fa9e4066Sahrens if (DCMD_HDRSPEC(flags)) 1195fa9e4066Sahrens mdb_printf("%<u>%-?s %9s %-*s%</u>\n", "ADDR", "STATE", 1196fa9e4066Sahrens sizeof (uintptr_t) == 4 ? 60 : 52, "NAME"); 1197fa9e4066Sahrens 119822ce0148SMatthew Ahrens mdb_spa_print_t spa; 119922ce0148SMatthew Ahrens if (mdb_ctf_vread(&spa, "spa_t", "mdb_spa_print_t", addr, 0) == -1) 1200fa9e4066Sahrens return (DCMD_ERR); 1201fa9e4066Sahrens 1202fa9e4066Sahrens if (spa.spa_state < 0 || spa.spa_state > POOL_STATE_UNAVAIL) 1203ea8dc4b6Seschrock state = "UNKNOWN"; 1204fa9e4066Sahrens else 1205fa9e4066Sahrens state = statetab[spa.spa_state]; 1206fa9e4066Sahrens 1207e14bb325SJeff Bonwick mdb_printf("%0?p %9s %s\n", addr, state, spa.spa_name); 120891e2a09fSSteve Gonczi if (spa_flags & SPA_FLAG_HISTOGRAMS) 120991e2a09fSSteve Gonczi spa_class_histogram(spa.spa_normal_class); 1210fa9e4066Sahrens 12112e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_CONFIG) { 1212fa9e4066Sahrens mdb_printf("\n"); 1213fa9e4066Sahrens mdb_inc_indent(4); 1214fa9e4066Sahrens if (mdb_call_dcmd("spa_config", addr, flags, 0, 1215fa9e4066Sahrens NULL) != DCMD_OK) 1216fa9e4066Sahrens return (DCMD_ERR); 1217fa9e4066Sahrens mdb_dec_indent(4); 1218fa9e4066Sahrens } 1219fa9e4066Sahrens 12202e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_ALL_VDEV) { 1221fa9e4066Sahrens mdb_arg_t v; 12222e4c9986SGeorge Wilson char opts[100] = "-"; 12232e4c9986SGeorge Wilson int args = 12242e4c9986SGeorge Wilson (spa_flags | SPA_FLAG_VDEVS) == SPA_FLAG_VDEVS ? 0 : 1; 12252e4c9986SGeorge Wilson 12262e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_ERRORS) 12272e4c9986SGeorge Wilson strcat(opts, "e"); 12282e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_METASLABS) 12292e4c9986SGeorge Wilson strcat(opts, "m"); 12302e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_METASLAB_GROUPS) 12312e4c9986SGeorge Wilson strcat(opts, "M"); 12322e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_HISTOGRAMS) 12332e4c9986SGeorge Wilson strcat(opts, "h"); 1234fa9e4066Sahrens 1235fa9e4066Sahrens v.a_type = MDB_TYPE_STRING; 12362e4c9986SGeorge Wilson v.a_un.a_str = opts; 1237fa9e4066Sahrens 1238fa9e4066Sahrens mdb_printf("\n"); 1239fa9e4066Sahrens mdb_inc_indent(4); 12402e4c9986SGeorge Wilson if (mdb_call_dcmd("spa_vdevs", addr, flags, args, 1241fa9e4066Sahrens &v) != DCMD_OK) 1242fa9e4066Sahrens return (DCMD_ERR); 1243fa9e4066Sahrens mdb_dec_indent(4); 1244fa9e4066Sahrens } 1245fa9e4066Sahrens 1246fa9e4066Sahrens return (DCMD_OK); 1247fa9e4066Sahrens } 1248fa9e4066Sahrens 124928e4da25SMatthew Ahrens typedef struct mdb_spa_config_spa { 1250d5ee8a13SMatthew Ahrens uintptr_t spa_config; 125128e4da25SMatthew Ahrens } mdb_spa_config_spa_t; 125228e4da25SMatthew Ahrens 1253fa9e4066Sahrens /* 1254fa9e4066Sahrens * ::spa_config 1255fa9e4066Sahrens * 1256fa9e4066Sahrens * Given a spa_t, print the configuration information stored in spa_config. 1257fa9e4066Sahrens * Since it's just an nvlist, format it as an indented list of name=value pairs. 1258fa9e4066Sahrens * We simply read the value of spa_config and pass off to ::nvlist. 1259fa9e4066Sahrens */ 1260fa9e4066Sahrens /* ARGSUSED */ 1261fa9e4066Sahrens static int 1262fa9e4066Sahrens spa_print_config(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1263fa9e4066Sahrens { 126428e4da25SMatthew Ahrens mdb_spa_config_spa_t spa; 1265fa9e4066Sahrens 1266fa9e4066Sahrens if (argc != 0 || !(flags & DCMD_ADDRSPEC)) 1267fa9e4066Sahrens return (DCMD_USAGE); 1268fa9e4066Sahrens 126928e4da25SMatthew Ahrens if (mdb_ctf_vread(&spa, ZFS_STRUCT "spa", "mdb_spa_config_spa_t", 127028e4da25SMatthew Ahrens addr, 0) == -1) 1271fa9e4066Sahrens return (DCMD_ERR); 1272fa9e4066Sahrens 1273d5ee8a13SMatthew Ahrens if (spa.spa_config == 0) { 1274fa9e4066Sahrens mdb_printf("(none)\n"); 1275fa9e4066Sahrens return (DCMD_OK); 1276fa9e4066Sahrens } 1277fa9e4066Sahrens 1278d5ee8a13SMatthew Ahrens return (mdb_call_dcmd("nvlist", spa.spa_config, flags, 1279fa9e4066Sahrens 0, NULL)); 1280fa9e4066Sahrens } 1281fa9e4066Sahrens 12822e4c9986SGeorge Wilson 12832e4c9986SGeorge Wilson 12842e4c9986SGeorge Wilson typedef struct mdb_range_tree { 12852e4c9986SGeorge Wilson uint64_t rt_space; 12862e4c9986SGeorge Wilson } mdb_range_tree_t; 12872e4c9986SGeorge Wilson 12882e4c9986SGeorge Wilson typedef struct mdb_metaslab_group { 12892e4c9986SGeorge Wilson uint64_t mg_fragmentation; 12902e4c9986SGeorge Wilson uint64_t mg_histogram[RANGE_TREE_HISTOGRAM_SIZE]; 1291*8363e80aSGeorge Wilson uintptr_t mg_vd; 12922e4c9986SGeorge Wilson } mdb_metaslab_group_t; 12932e4c9986SGeorge Wilson 12942e4c9986SGeorge Wilson typedef struct mdb_metaslab { 12952e4c9986SGeorge Wilson uint64_t ms_id; 12962e4c9986SGeorge Wilson uint64_t ms_start; 12972e4c9986SGeorge Wilson uint64_t ms_size; 1298*8363e80aSGeorge Wilson int64_t ms_deferspace; 12992e4c9986SGeorge Wilson uint64_t ms_fragmentation; 1300*8363e80aSGeorge Wilson uint64_t ms_weight; 13012e4c9986SGeorge Wilson uintptr_t ms_alloctree[TXG_SIZE]; 13022e4c9986SGeorge Wilson uintptr_t ms_freetree[TXG_SIZE]; 13032e4c9986SGeorge Wilson uintptr_t ms_tree; 13042e4c9986SGeorge Wilson uintptr_t ms_sm; 13052e4c9986SGeorge Wilson } mdb_metaslab_t; 13062e4c9986SGeorge Wilson 13072e4c9986SGeorge Wilson typedef struct mdb_space_map_phys_t { 13082e4c9986SGeorge Wilson uint64_t smp_alloc; 13092e4c9986SGeorge Wilson uint64_t smp_histogram[SPACE_MAP_HISTOGRAM_SIZE]; 13102e4c9986SGeorge Wilson } mdb_space_map_phys_t; 13112e4c9986SGeorge Wilson 13122e4c9986SGeorge Wilson typedef struct mdb_space_map { 13132e4c9986SGeorge Wilson uint64_t sm_size; 13142e4c9986SGeorge Wilson uint8_t sm_shift; 13152e4c9986SGeorge Wilson uint64_t sm_alloc; 13162e4c9986SGeorge Wilson uintptr_t sm_phys; 13172e4c9986SGeorge Wilson } mdb_space_map_t; 13182e4c9986SGeorge Wilson 13192e4c9986SGeorge Wilson typedef struct mdb_vdev { 1320*8363e80aSGeorge Wilson uintptr_t vdev_path; 13212e4c9986SGeorge Wilson uintptr_t vdev_ms; 1322*8363e80aSGeorge Wilson uintptr_t vdev_ops; 13232e4c9986SGeorge Wilson uint64_t vdev_ms_count; 1324*8363e80aSGeorge Wilson uint64_t vdev_id; 13252e4c9986SGeorge Wilson vdev_stat_t vdev_stat; 13262e4c9986SGeorge Wilson } mdb_vdev_t; 13272e4c9986SGeorge Wilson 1328*8363e80aSGeorge Wilson typedef struct mdb_vdev_ops { 1329*8363e80aSGeorge Wilson char vdev_op_type[16]; 1330*8363e80aSGeorge Wilson } mdb_vdev_ops_t; 1331*8363e80aSGeorge Wilson 13322e4c9986SGeorge Wilson static int 13332e4c9986SGeorge Wilson metaslab_stats(uintptr_t addr, int spa_flags) 13342e4c9986SGeorge Wilson { 13352e4c9986SGeorge Wilson mdb_vdev_t vdev; 13362e4c9986SGeorge Wilson uintptr_t *vdev_ms; 13372e4c9986SGeorge Wilson 13382e4c9986SGeorge Wilson if (mdb_ctf_vread(&vdev, "vdev_t", "mdb_vdev_t", 13392e4c9986SGeorge Wilson (uintptr_t)addr, 0) == -1) { 13402e4c9986SGeorge Wilson mdb_warn("failed to read vdev at %p\n", addr); 13412e4c9986SGeorge Wilson return (DCMD_ERR); 13422e4c9986SGeorge Wilson } 13432e4c9986SGeorge Wilson 13442e4c9986SGeorge Wilson mdb_inc_indent(4); 13452e4c9986SGeorge Wilson mdb_printf("%<u>%-?s %6s %20s %10s %9s%</u>\n", "ADDR", "ID", 13462e4c9986SGeorge Wilson "OFFSET", "FREE", "FRAGMENTATION"); 13472e4c9986SGeorge Wilson 13482e4c9986SGeorge Wilson vdev_ms = mdb_alloc(vdev.vdev_ms_count * sizeof (void *), 13492e4c9986SGeorge Wilson UM_SLEEP | UM_GC); 13502e4c9986SGeorge Wilson if (mdb_vread(vdev_ms, vdev.vdev_ms_count * sizeof (void *), 13512e4c9986SGeorge Wilson (uintptr_t)vdev.vdev_ms) == -1) { 13522e4c9986SGeorge Wilson mdb_warn("failed to read vdev_ms at %p\n", vdev.vdev_ms); 13532e4c9986SGeorge Wilson return (DCMD_ERR); 13542e4c9986SGeorge Wilson } 13552e4c9986SGeorge Wilson 13562e4c9986SGeorge Wilson for (int m = 0; m < vdev.vdev_ms_count; m++) { 13572e4c9986SGeorge Wilson mdb_metaslab_t ms; 13582e4c9986SGeorge Wilson mdb_space_map_t sm = { 0 }; 13592e4c9986SGeorge Wilson char free[NICENUM_BUFLEN]; 13602e4c9986SGeorge Wilson 13612e4c9986SGeorge Wilson if (mdb_ctf_vread(&ms, "metaslab_t", "mdb_metaslab_t", 13622e4c9986SGeorge Wilson (uintptr_t)vdev_ms[m], 0) == -1) 13632e4c9986SGeorge Wilson return (DCMD_ERR); 13642e4c9986SGeorge Wilson 13652e4c9986SGeorge Wilson if (ms.ms_sm != NULL && 13662e4c9986SGeorge Wilson mdb_ctf_vread(&sm, "space_map_t", "mdb_space_map_t", 13672e4c9986SGeorge Wilson ms.ms_sm, 0) == -1) 13682e4c9986SGeorge Wilson return (DCMD_ERR); 13692e4c9986SGeorge Wilson 13702e4c9986SGeorge Wilson mdb_nicenum(ms.ms_size - sm.sm_alloc, free); 13712e4c9986SGeorge Wilson 13722e4c9986SGeorge Wilson mdb_printf("%0?p %6llu %20llx %10s ", vdev_ms[m], ms.ms_id, 13732e4c9986SGeorge Wilson ms.ms_start, free); 13742e4c9986SGeorge Wilson if (ms.ms_fragmentation == ZFS_FRAG_INVALID) 13752e4c9986SGeorge Wilson mdb_printf("%9s\n", "-"); 13762e4c9986SGeorge Wilson else 13772e4c9986SGeorge Wilson mdb_printf("%9llu%%\n", ms.ms_fragmentation); 13782e4c9986SGeorge Wilson 13792e4c9986SGeorge Wilson if ((spa_flags & SPA_FLAG_HISTOGRAMS) && ms.ms_sm != NULL) { 13802e4c9986SGeorge Wilson mdb_space_map_phys_t smp; 13812e4c9986SGeorge Wilson 13822e4c9986SGeorge Wilson if (sm.sm_phys == NULL) 13832e4c9986SGeorge Wilson continue; 13842e4c9986SGeorge Wilson 13852e4c9986SGeorge Wilson (void) mdb_ctf_vread(&smp, "space_map_phys_t", 13862e4c9986SGeorge Wilson "mdb_space_map_phys_t", sm.sm_phys, 0); 13872e4c9986SGeorge Wilson 13882e4c9986SGeorge Wilson dump_histogram(smp.smp_histogram, 13892e4c9986SGeorge Wilson SPACE_MAP_HISTOGRAM_SIZE, sm.sm_shift); 13902e4c9986SGeorge Wilson } 13912e4c9986SGeorge Wilson } 13922e4c9986SGeorge Wilson mdb_dec_indent(4); 13932e4c9986SGeorge Wilson return (DCMD_OK); 13942e4c9986SGeorge Wilson } 13952e4c9986SGeorge Wilson 13962e4c9986SGeorge Wilson static int 13972e4c9986SGeorge Wilson metaslab_group_stats(uintptr_t addr, int spa_flags) 13982e4c9986SGeorge Wilson { 13992e4c9986SGeorge Wilson mdb_metaslab_group_t mg; 14002e4c9986SGeorge Wilson if (mdb_ctf_vread(&mg, "metaslab_group_t", "mdb_metaslab_group_t", 14012e4c9986SGeorge Wilson (uintptr_t)addr, 0) == -1) { 14022e4c9986SGeorge Wilson mdb_warn("failed to read vdev_mg at %p\n", addr); 14032e4c9986SGeorge Wilson return (DCMD_ERR); 14042e4c9986SGeorge Wilson } 14052e4c9986SGeorge Wilson 14062e4c9986SGeorge Wilson mdb_inc_indent(4); 14072e4c9986SGeorge Wilson mdb_printf("%<u>%-?s %15s%</u>\n", "ADDR", "FRAGMENTATION"); 14082e4c9986SGeorge Wilson if (mg.mg_fragmentation == ZFS_FRAG_INVALID) 14092e4c9986SGeorge Wilson mdb_printf("%0?p %15s\n", addr, "-"); 14102e4c9986SGeorge Wilson else 14112e4c9986SGeorge Wilson mdb_printf("%0?p %15llu%%\n", addr, mg.mg_fragmentation); 14122e4c9986SGeorge Wilson 14132e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_HISTOGRAMS) 14142e4c9986SGeorge Wilson dump_histogram(mg.mg_histogram, RANGE_TREE_HISTOGRAM_SIZE, 0); 14152e4c9986SGeorge Wilson mdb_dec_indent(4); 14162e4c9986SGeorge Wilson return (DCMD_OK); 14172e4c9986SGeorge Wilson } 14182e4c9986SGeorge Wilson 1419fa9e4066Sahrens /* 1420fa9e4066Sahrens * ::vdev 1421fa9e4066Sahrens * 1422fa9e4066Sahrens * Print out a summarized vdev_t, in the following form: 1423fa9e4066Sahrens * 1424fa9e4066Sahrens * ADDR STATE AUX DESC 1425fa9e4066Sahrens * fffffffbcde23df0 HEALTHY - /dev/dsk/c0t0d0 1426fa9e4066Sahrens * 1427fa9e4066Sahrens * If '-r' is specified, recursively visit all children. 1428fa9e4066Sahrens * 1429fa9e4066Sahrens * With '-e', the statistics associated with the vdev are printed as well. 1430fa9e4066Sahrens */ 1431fa9e4066Sahrens static int 14322e4c9986SGeorge Wilson do_print_vdev(uintptr_t addr, int flags, int depth, boolean_t recursive, 14332e4c9986SGeorge Wilson int spa_flags) 1434fa9e4066Sahrens { 1435fa9e4066Sahrens vdev_t vdev; 1436fa9e4066Sahrens char desc[MAXNAMELEN]; 1437fa9e4066Sahrens int c, children; 1438fa9e4066Sahrens uintptr_t *child; 1439fa9e4066Sahrens const char *state, *aux; 1440fa9e4066Sahrens 1441fa9e4066Sahrens if (mdb_vread(&vdev, sizeof (vdev), (uintptr_t)addr) == -1) { 1442fa9e4066Sahrens mdb_warn("failed to read vdev_t at %p\n", (uintptr_t)addr); 1443fa9e4066Sahrens return (DCMD_ERR); 1444fa9e4066Sahrens } 1445fa9e4066Sahrens 1446fa9e4066Sahrens if (flags & DCMD_PIPE_OUT) { 1447b4952e17SGeorge Wilson mdb_printf("%#lr\n", addr); 1448fa9e4066Sahrens } else { 1449fa9e4066Sahrens if (vdev.vdev_path != NULL) { 1450fa9e4066Sahrens if (mdb_readstr(desc, sizeof (desc), 1451fa9e4066Sahrens (uintptr_t)vdev.vdev_path) == -1) { 1452fa9e4066Sahrens mdb_warn("failed to read vdev_path at %p\n", 1453fa9e4066Sahrens vdev.vdev_path); 1454fa9e4066Sahrens return (DCMD_ERR); 1455fa9e4066Sahrens } 1456fa9e4066Sahrens } else if (vdev.vdev_ops != NULL) { 1457fa9e4066Sahrens vdev_ops_t ops; 1458fa9e4066Sahrens if (mdb_vread(&ops, sizeof (ops), 1459fa9e4066Sahrens (uintptr_t)vdev.vdev_ops) == -1) { 1460fa9e4066Sahrens mdb_warn("failed to read vdev_ops at %p\n", 1461fa9e4066Sahrens vdev.vdev_ops); 1462fa9e4066Sahrens return (DCMD_ERR); 1463fa9e4066Sahrens } 1464fa9e4066Sahrens (void) strcpy(desc, ops.vdev_op_type); 1465fa9e4066Sahrens } else { 1466fa9e4066Sahrens (void) strcpy(desc, "<unknown>"); 1467fa9e4066Sahrens } 1468fa9e4066Sahrens 1469fa9e4066Sahrens if (depth == 0 && DCMD_HDRSPEC(flags)) 1470fa9e4066Sahrens mdb_printf("%<u>%-?s %-9s %-12s %-*s%</u>\n", 1471fa9e4066Sahrens "ADDR", "STATE", "AUX", 1472fa9e4066Sahrens sizeof (uintptr_t) == 4 ? 43 : 35, 1473fa9e4066Sahrens "DESCRIPTION"); 1474fa9e4066Sahrens 1475fa9e4066Sahrens mdb_printf("%0?p ", addr); 1476fa9e4066Sahrens 1477fa9e4066Sahrens switch (vdev.vdev_state) { 1478fa9e4066Sahrens case VDEV_STATE_CLOSED: 1479ccae0b50Seschrock state = "CLOSED"; 1480ccae0b50Seschrock break; 1481fa9e4066Sahrens case VDEV_STATE_OFFLINE: 1482ccae0b50Seschrock state = "OFFLINE"; 1483ccae0b50Seschrock break; 1484fa9e4066Sahrens case VDEV_STATE_CANT_OPEN: 1485ccae0b50Seschrock state = "CANT_OPEN"; 1486ccae0b50Seschrock break; 1487fa9e4066Sahrens case VDEV_STATE_DEGRADED: 1488ccae0b50Seschrock state = "DEGRADED"; 1489ccae0b50Seschrock break; 1490fa9e4066Sahrens case VDEV_STATE_HEALTHY: 1491ccae0b50Seschrock state = "HEALTHY"; 1492ccae0b50Seschrock break; 14933d7072f8Seschrock case VDEV_STATE_REMOVED: 14943d7072f8Seschrock state = "REMOVED"; 14953d7072f8Seschrock break; 14963d7072f8Seschrock case VDEV_STATE_FAULTED: 14973d7072f8Seschrock state = "FAULTED"; 14983d7072f8Seschrock break; 1499fa9e4066Sahrens default: 1500ccae0b50Seschrock state = "UNKNOWN"; 1501ccae0b50Seschrock break; 1502fa9e4066Sahrens } 1503fa9e4066Sahrens 1504fa9e4066Sahrens switch (vdev.vdev_stat.vs_aux) { 1505fa9e4066Sahrens case VDEV_AUX_NONE: 1506fa9e4066Sahrens aux = "-"; 1507fa9e4066Sahrens break; 1508fa9e4066Sahrens case VDEV_AUX_OPEN_FAILED: 1509fa9e4066Sahrens aux = "OPEN_FAILED"; 1510fa9e4066Sahrens break; 1511fa9e4066Sahrens case VDEV_AUX_CORRUPT_DATA: 1512fa9e4066Sahrens aux = "CORRUPT_DATA"; 1513fa9e4066Sahrens break; 1514fa9e4066Sahrens case VDEV_AUX_NO_REPLICAS: 1515fa9e4066Sahrens aux = "NO_REPLICAS"; 1516fa9e4066Sahrens break; 1517fa9e4066Sahrens case VDEV_AUX_BAD_GUID_SUM: 1518fa9e4066Sahrens aux = "BAD_GUID_SUM"; 1519fa9e4066Sahrens break; 1520fa9e4066Sahrens case VDEV_AUX_TOO_SMALL: 1521fa9e4066Sahrens aux = "TOO_SMALL"; 1522fa9e4066Sahrens break; 1523fa9e4066Sahrens case VDEV_AUX_BAD_LABEL: 1524fa9e4066Sahrens aux = "BAD_LABEL"; 1525fa9e4066Sahrens break; 1526b87f3af3Sperrin case VDEV_AUX_VERSION_NEWER: 1527b87f3af3Sperrin aux = "VERS_NEWER"; 1528b87f3af3Sperrin break; 1529b87f3af3Sperrin case VDEV_AUX_VERSION_OLDER: 1530b87f3af3Sperrin aux = "VERS_OLDER"; 1531b87f3af3Sperrin break; 1532ad135b5dSChristopher Siden case VDEV_AUX_UNSUP_FEAT: 1533ad135b5dSChristopher Siden aux = "UNSUP_FEAT"; 1534ad135b5dSChristopher Siden break; 1535b87f3af3Sperrin case VDEV_AUX_SPARED: 1536b87f3af3Sperrin aux = "SPARED"; 1537b87f3af3Sperrin break; 1538b87f3af3Sperrin case VDEV_AUX_ERR_EXCEEDED: 1539b87f3af3Sperrin aux = "ERR_EXCEEDED"; 1540b87f3af3Sperrin break; 1541b87f3af3Sperrin case VDEV_AUX_IO_FAILURE: 1542b87f3af3Sperrin aux = "IO_FAILURE"; 1543b87f3af3Sperrin break; 1544b87f3af3Sperrin case VDEV_AUX_BAD_LOG: 1545b87f3af3Sperrin aux = "BAD_LOG"; 1546b87f3af3Sperrin break; 15471195e687SMark J Musante case VDEV_AUX_EXTERNAL: 15481195e687SMark J Musante aux = "EXTERNAL"; 15491195e687SMark J Musante break; 15501195e687SMark J Musante case VDEV_AUX_SPLIT_POOL: 15511195e687SMark J Musante aux = "SPLIT_POOL"; 15521195e687SMark J Musante break; 1553fa9e4066Sahrens default: 1554fa9e4066Sahrens aux = "UNKNOWN"; 1555fa9e4066Sahrens break; 1556fa9e4066Sahrens } 1557fa9e4066Sahrens 1558fa9e4066Sahrens mdb_printf("%-9s %-12s %*s%s\n", state, aux, depth, "", desc); 1559fa9e4066Sahrens 15602e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_ERRORS) { 1561fa9e4066Sahrens vdev_stat_t *vs = &vdev.vdev_stat; 1562fa9e4066Sahrens int i; 1563fa9e4066Sahrens 1564fa9e4066Sahrens mdb_inc_indent(4); 1565fa9e4066Sahrens mdb_printf("\n"); 1566fa9e4066Sahrens mdb_printf("%<u> %12s %12s %12s %12s " 1567fa9e4066Sahrens "%12s%</u>\n", "READ", "WRITE", "FREE", "CLAIM", 1568fa9e4066Sahrens "IOCTL"); 1569fa9e4066Sahrens mdb_printf("OPS "); 1570fa9e4066Sahrens for (i = 1; i < ZIO_TYPES; i++) 1571fa9e4066Sahrens mdb_printf("%11#llx%s", vs->vs_ops[i], 1572fa9e4066Sahrens i == ZIO_TYPES - 1 ? "" : " "); 1573fa9e4066Sahrens mdb_printf("\n"); 1574fa9e4066Sahrens mdb_printf("BYTES "); 1575fa9e4066Sahrens for (i = 1; i < ZIO_TYPES; i++) 1576fa9e4066Sahrens mdb_printf("%11#llx%s", vs->vs_bytes[i], 1577fa9e4066Sahrens i == ZIO_TYPES - 1 ? "" : " "); 1578fa9e4066Sahrens 1579fa9e4066Sahrens 1580fa9e4066Sahrens mdb_printf("\n"); 1581fa9e4066Sahrens mdb_printf("EREAD %10#llx\n", vs->vs_read_errors); 1582fa9e4066Sahrens mdb_printf("EWRITE %10#llx\n", vs->vs_write_errors); 1583fa9e4066Sahrens mdb_printf("ECKSUM %10#llx\n", 1584fa9e4066Sahrens vs->vs_checksum_errors); 1585fa9e4066Sahrens mdb_dec_indent(4); 15862e4c9986SGeorge Wilson mdb_printf("\n"); 1587fa9e4066Sahrens } 1588fa9e4066Sahrens 15892e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_METASLAB_GROUPS && 15902e4c9986SGeorge Wilson vdev.vdev_mg != NULL) { 15912e4c9986SGeorge Wilson metaslab_group_stats((uintptr_t)vdev.vdev_mg, 15922e4c9986SGeorge Wilson spa_flags); 15932e4c9986SGeorge Wilson } 15942e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_METASLABS && vdev.vdev_ms != NULL) { 15952e4c9986SGeorge Wilson metaslab_stats((uintptr_t)addr, spa_flags); 15962e4c9986SGeorge Wilson } 1597fa9e4066Sahrens } 1598fa9e4066Sahrens 1599fa9e4066Sahrens children = vdev.vdev_children; 1600fa9e4066Sahrens 1601fa9e4066Sahrens if (children == 0 || !recursive) 1602fa9e4066Sahrens return (DCMD_OK); 1603fa9e4066Sahrens 1604fa9e4066Sahrens child = mdb_alloc(children * sizeof (void *), UM_SLEEP | UM_GC); 1605fa9e4066Sahrens if (mdb_vread(child, children * sizeof (void *), 1606fa9e4066Sahrens (uintptr_t)vdev.vdev_child) == -1) { 1607fa9e4066Sahrens mdb_warn("failed to read vdev children at %p", vdev.vdev_child); 1608fa9e4066Sahrens return (DCMD_ERR); 1609fa9e4066Sahrens } 1610fa9e4066Sahrens 1611fa9e4066Sahrens for (c = 0; c < children; c++) { 16122e4c9986SGeorge Wilson if (do_print_vdev(child[c], flags, depth + 2, recursive, 16132e4c9986SGeorge Wilson spa_flags)) { 1614fa9e4066Sahrens return (DCMD_ERR); 16152e4c9986SGeorge Wilson } 1616fa9e4066Sahrens } 1617fa9e4066Sahrens 1618fa9e4066Sahrens return (DCMD_OK); 1619fa9e4066Sahrens } 1620fa9e4066Sahrens 1621fa9e4066Sahrens static int 1622fa9e4066Sahrens vdev_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1623fa9e4066Sahrens { 1624c5904d13Seschrock uint64_t depth = 0; 16252e4c9986SGeorge Wilson boolean_t recursive = B_FALSE; 16262e4c9986SGeorge Wilson int spa_flags = 0; 1627fa9e4066Sahrens 1628fa9e4066Sahrens if (mdb_getopts(argc, argv, 16292e4c9986SGeorge Wilson 'e', MDB_OPT_SETBITS, SPA_FLAG_ERRORS, &spa_flags, 16302e4c9986SGeorge Wilson 'm', MDB_OPT_SETBITS, SPA_FLAG_METASLABS, &spa_flags, 16312e4c9986SGeorge Wilson 'M', MDB_OPT_SETBITS, SPA_FLAG_METASLAB_GROUPS, &spa_flags, 16322e4c9986SGeorge Wilson 'h', MDB_OPT_SETBITS, SPA_FLAG_HISTOGRAMS, &spa_flags, 1633fa9e4066Sahrens 'r', MDB_OPT_SETBITS, TRUE, &recursive, 16342e4c9986SGeorge Wilson 'd', MDB_OPT_UINT64, &depth, NULL) != argc) 1635fa9e4066Sahrens return (DCMD_USAGE); 1636fa9e4066Sahrens 1637fa9e4066Sahrens if (!(flags & DCMD_ADDRSPEC)) { 1638fa9e4066Sahrens mdb_warn("no vdev_t address given\n"); 1639fa9e4066Sahrens return (DCMD_ERR); 1640fa9e4066Sahrens } 1641fa9e4066Sahrens 16422e4c9986SGeorge Wilson return (do_print_vdev(addr, flags, (int)depth, recursive, spa_flags)); 1643fa9e4066Sahrens } 1644fa9e4066Sahrens 1645*8363e80aSGeorge Wilson typedef struct mdb_metaslab_alloc_trace { 1646*8363e80aSGeorge Wilson uintptr_t mat_mg; 1647*8363e80aSGeorge Wilson uintptr_t mat_msp; 1648*8363e80aSGeorge Wilson uint64_t mat_size; 1649*8363e80aSGeorge Wilson uint64_t mat_weight; 1650*8363e80aSGeorge Wilson uint64_t mat_offset; 1651*8363e80aSGeorge Wilson uint32_t mat_dva_id; 1652*8363e80aSGeorge Wilson } mdb_metaslab_alloc_trace_t; 1653*8363e80aSGeorge Wilson 1654*8363e80aSGeorge Wilson static void 1655*8363e80aSGeorge Wilson metaslab_print_weight(uint64_t weight) 1656*8363e80aSGeorge Wilson { 1657*8363e80aSGeorge Wilson char buf[100]; 1658*8363e80aSGeorge Wilson 1659*8363e80aSGeorge Wilson if (WEIGHT_IS_SPACEBASED(weight)) { 1660*8363e80aSGeorge Wilson mdb_nicenum( 1661*8363e80aSGeorge Wilson weight & ~(METASLAB_ACTIVE_MASK | METASLAB_WEIGHT_TYPE), 1662*8363e80aSGeorge Wilson buf); 1663*8363e80aSGeorge Wilson } else { 1664*8363e80aSGeorge Wilson char size[NICENUM_BUFLEN]; 1665*8363e80aSGeorge Wilson mdb_nicenum(1ULL << WEIGHT_GET_INDEX(weight), size); 1666*8363e80aSGeorge Wilson (void) mdb_snprintf(buf, sizeof (buf), "%llu x %s", 1667*8363e80aSGeorge Wilson WEIGHT_GET_COUNT(weight), size); 1668*8363e80aSGeorge Wilson } 1669*8363e80aSGeorge Wilson mdb_printf("%11s ", buf); 1670*8363e80aSGeorge Wilson } 1671*8363e80aSGeorge Wilson 1672*8363e80aSGeorge Wilson /* ARGSUSED */ 1673*8363e80aSGeorge Wilson static int 1674*8363e80aSGeorge Wilson metaslab_weight(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1675*8363e80aSGeorge Wilson { 1676*8363e80aSGeorge Wilson uint64_t weight = 0; 1677*8363e80aSGeorge Wilson char active; 1678*8363e80aSGeorge Wilson 1679*8363e80aSGeorge Wilson if (argc == 0 && (flags & DCMD_ADDRSPEC)) { 1680*8363e80aSGeorge Wilson if (mdb_vread(&weight, sizeof (uint64_t), addr) == -1) { 1681*8363e80aSGeorge Wilson mdb_warn("failed to read weight at %p\n", addr); 1682*8363e80aSGeorge Wilson return (DCMD_ERR); 1683*8363e80aSGeorge Wilson } 1684*8363e80aSGeorge Wilson } else if (argc == 1 && !(flags & DCMD_ADDRSPEC)) { 1685*8363e80aSGeorge Wilson weight = (argv[0].a_type == MDB_TYPE_IMMEDIATE) ? 1686*8363e80aSGeorge Wilson argv[0].a_un.a_val : mdb_strtoull(argv[0].a_un.a_str); 1687*8363e80aSGeorge Wilson } else { 1688*8363e80aSGeorge Wilson return (DCMD_USAGE); 1689*8363e80aSGeorge Wilson } 1690*8363e80aSGeorge Wilson 1691*8363e80aSGeorge Wilson if (DCMD_HDRSPEC(flags)) { 1692*8363e80aSGeorge Wilson mdb_printf("%<u>%-6s %9s %9s%</u>\n", 1693*8363e80aSGeorge Wilson "ACTIVE", "ALGORITHM", "WEIGHT"); 1694*8363e80aSGeorge Wilson } 1695*8363e80aSGeorge Wilson 1696*8363e80aSGeorge Wilson if (weight & METASLAB_WEIGHT_PRIMARY) 1697*8363e80aSGeorge Wilson active = 'P'; 1698*8363e80aSGeorge Wilson else if (weight & METASLAB_WEIGHT_SECONDARY) 1699*8363e80aSGeorge Wilson active = 'S'; 1700*8363e80aSGeorge Wilson else 1701*8363e80aSGeorge Wilson active = '-'; 1702*8363e80aSGeorge Wilson mdb_printf("%6c %8s ", active, 1703*8363e80aSGeorge Wilson WEIGHT_IS_SPACEBASED(weight) ? "SPACE" : "SEGMENT"); 1704*8363e80aSGeorge Wilson metaslab_print_weight(weight); 1705*8363e80aSGeorge Wilson mdb_printf("\n"); 1706*8363e80aSGeorge Wilson 1707*8363e80aSGeorge Wilson return (DCMD_OK); 1708*8363e80aSGeorge Wilson } 1709*8363e80aSGeorge Wilson 1710*8363e80aSGeorge Wilson /* ARGSUSED */ 1711*8363e80aSGeorge Wilson static int 1712*8363e80aSGeorge Wilson metaslab_trace(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1713*8363e80aSGeorge Wilson { 1714*8363e80aSGeorge Wilson mdb_metaslab_alloc_trace_t mat; 1715*8363e80aSGeorge Wilson mdb_metaslab_group_t mg = { 0 }; 1716*8363e80aSGeorge Wilson char result_type[100]; 1717*8363e80aSGeorge Wilson 1718*8363e80aSGeorge Wilson if (mdb_ctf_vread(&mat, "metaslab_alloc_trace_t", 1719*8363e80aSGeorge Wilson "mdb_metaslab_alloc_trace_t", addr, 0) == -1) { 1720*8363e80aSGeorge Wilson return (DCMD_ERR); 1721*8363e80aSGeorge Wilson } 1722*8363e80aSGeorge Wilson 1723*8363e80aSGeorge Wilson if (!(flags & DCMD_PIPE_OUT) && DCMD_HDRSPEC(flags)) { 1724*8363e80aSGeorge Wilson mdb_printf("%<u>%6s %6s %8s %11s %18s %18s%</u>\n", 1725*8363e80aSGeorge Wilson "MSID", "DVA", "ASIZE", "WEIGHT", "RESULT", "VDEV"); 1726*8363e80aSGeorge Wilson } 1727*8363e80aSGeorge Wilson 1728*8363e80aSGeorge Wilson if (mat.mat_msp != NULL) { 1729*8363e80aSGeorge Wilson mdb_metaslab_t ms; 1730*8363e80aSGeorge Wilson 1731*8363e80aSGeorge Wilson if (mdb_ctf_vread(&ms, "metaslab_t", "mdb_metaslab_t", 1732*8363e80aSGeorge Wilson mat.mat_msp, 0) == -1) { 1733*8363e80aSGeorge Wilson return (DCMD_ERR); 1734*8363e80aSGeorge Wilson } 1735*8363e80aSGeorge Wilson mdb_printf("%6llu ", ms.ms_id); 1736*8363e80aSGeorge Wilson } else { 1737*8363e80aSGeorge Wilson mdb_printf("%6s ", "-"); 1738*8363e80aSGeorge Wilson } 1739*8363e80aSGeorge Wilson 1740*8363e80aSGeorge Wilson mdb_printf("%6d %8llx ", mat.mat_dva_id, mat.mat_size); 1741*8363e80aSGeorge Wilson 1742*8363e80aSGeorge Wilson metaslab_print_weight(mat.mat_weight); 1743*8363e80aSGeorge Wilson 1744*8363e80aSGeorge Wilson if ((int64_t)mat.mat_offset < 0) { 1745*8363e80aSGeorge Wilson if (enum_lookup("enum trace_alloc_type", mat.mat_offset, 1746*8363e80aSGeorge Wilson "TRACE_", sizeof (result_type), result_type) == -1) { 1747*8363e80aSGeorge Wilson mdb_warn("Could not find enum for trace_alloc_type"); 1748*8363e80aSGeorge Wilson return (DCMD_ERR); 1749*8363e80aSGeorge Wilson } 1750*8363e80aSGeorge Wilson mdb_printf("%18s ", result_type); 1751*8363e80aSGeorge Wilson } else { 1752*8363e80aSGeorge Wilson mdb_printf("%<b>%18llx%</b> ", mat.mat_offset); 1753*8363e80aSGeorge Wilson } 1754*8363e80aSGeorge Wilson 1755*8363e80aSGeorge Wilson if (mat.mat_mg != NULL && 1756*8363e80aSGeorge Wilson mdb_ctf_vread(&mg, "metaslab_group_t", "mdb_metaslab_group_t", 1757*8363e80aSGeorge Wilson mat.mat_mg, 0) == -1) { 1758*8363e80aSGeorge Wilson return (DCMD_ERR); 1759*8363e80aSGeorge Wilson } 1760*8363e80aSGeorge Wilson 1761*8363e80aSGeorge Wilson if (mg.mg_vd != NULL) { 1762*8363e80aSGeorge Wilson mdb_vdev_t vdev; 1763*8363e80aSGeorge Wilson char desc[MAXNAMELEN]; 1764*8363e80aSGeorge Wilson 1765*8363e80aSGeorge Wilson if (mdb_ctf_vread(&vdev, "vdev_t", "mdb_vdev_t", 1766*8363e80aSGeorge Wilson mg.mg_vd, 0) == -1) { 1767*8363e80aSGeorge Wilson return (DCMD_ERR); 1768*8363e80aSGeorge Wilson } 1769*8363e80aSGeorge Wilson 1770*8363e80aSGeorge Wilson if (vdev.vdev_path != NULL) { 1771*8363e80aSGeorge Wilson char path[MAXNAMELEN]; 1772*8363e80aSGeorge Wilson 1773*8363e80aSGeorge Wilson if (mdb_readstr(path, sizeof (path), 1774*8363e80aSGeorge Wilson vdev.vdev_path) == -1) { 1775*8363e80aSGeorge Wilson mdb_warn("failed to read vdev_path at %p\n", 1776*8363e80aSGeorge Wilson vdev.vdev_path); 1777*8363e80aSGeorge Wilson return (DCMD_ERR); 1778*8363e80aSGeorge Wilson } 1779*8363e80aSGeorge Wilson char *slash; 1780*8363e80aSGeorge Wilson if ((slash = strrchr(path, '/')) != NULL) { 1781*8363e80aSGeorge Wilson strcpy(desc, slash + 1); 1782*8363e80aSGeorge Wilson } else { 1783*8363e80aSGeorge Wilson strcpy(desc, path); 1784*8363e80aSGeorge Wilson } 1785*8363e80aSGeorge Wilson } else if (vdev.vdev_ops != NULL) { 1786*8363e80aSGeorge Wilson mdb_vdev_ops_t ops; 1787*8363e80aSGeorge Wilson if (mdb_ctf_vread(&ops, "vdev_ops_t", "mdb_vdev_ops_t", 1788*8363e80aSGeorge Wilson vdev.vdev_ops, 0) == -1) { 1789*8363e80aSGeorge Wilson mdb_warn("failed to read vdev_ops at %p\n", 1790*8363e80aSGeorge Wilson vdev.vdev_ops); 1791*8363e80aSGeorge Wilson return (DCMD_ERR); 1792*8363e80aSGeorge Wilson } 1793*8363e80aSGeorge Wilson (void) mdb_snprintf(desc, sizeof (desc), 1794*8363e80aSGeorge Wilson "%s-%llu", ops.vdev_op_type, vdev.vdev_id); 1795*8363e80aSGeorge Wilson } else { 1796*8363e80aSGeorge Wilson (void) strcpy(desc, "<unknown>"); 1797*8363e80aSGeorge Wilson } 1798*8363e80aSGeorge Wilson mdb_printf("%18s\n", desc); 1799*8363e80aSGeorge Wilson } 1800*8363e80aSGeorge Wilson 1801*8363e80aSGeorge Wilson return (DCMD_OK); 1802*8363e80aSGeorge Wilson } 1803*8363e80aSGeorge Wilson 18045f5f7a6fSahrens typedef struct metaslab_walk_data { 18055f5f7a6fSahrens uint64_t mw_numvdevs; 18065f5f7a6fSahrens uintptr_t *mw_vdevs; 18075f5f7a6fSahrens int mw_curvdev; 18085f5f7a6fSahrens uint64_t mw_nummss; 18095f5f7a6fSahrens uintptr_t *mw_mss; 18105f5f7a6fSahrens int mw_curms; 18115f5f7a6fSahrens } metaslab_walk_data_t; 18125f5f7a6fSahrens 18135f5f7a6fSahrens static int 18145f5f7a6fSahrens metaslab_walk_step(mdb_walk_state_t *wsp) 18155f5f7a6fSahrens { 18165f5f7a6fSahrens metaslab_walk_data_t *mw = wsp->walk_data; 18175f5f7a6fSahrens metaslab_t ms; 18185f5f7a6fSahrens uintptr_t msp; 18195f5f7a6fSahrens 18205f5f7a6fSahrens if (mw->mw_curvdev >= mw->mw_numvdevs) 18215f5f7a6fSahrens return (WALK_DONE); 18225f5f7a6fSahrens 18235f5f7a6fSahrens if (mw->mw_mss == NULL) { 18245f5f7a6fSahrens uintptr_t mssp; 18255f5f7a6fSahrens uintptr_t vdevp; 18265f5f7a6fSahrens 18275f5f7a6fSahrens ASSERT(mw->mw_curms == 0); 18285f5f7a6fSahrens ASSERT(mw->mw_nummss == 0); 18295f5f7a6fSahrens 18305f5f7a6fSahrens vdevp = mw->mw_vdevs[mw->mw_curvdev]; 183128e4da25SMatthew Ahrens if (GETMEMB(vdevp, "vdev", vdev_ms, mssp) || 183228e4da25SMatthew Ahrens GETMEMB(vdevp, "vdev", vdev_ms_count, mw->mw_nummss)) { 18335f5f7a6fSahrens return (WALK_ERR); 18345f5f7a6fSahrens } 18355f5f7a6fSahrens 18365f5f7a6fSahrens mw->mw_mss = mdb_alloc(mw->mw_nummss * sizeof (void*), 18375f5f7a6fSahrens UM_SLEEP | UM_GC); 18385f5f7a6fSahrens if (mdb_vread(mw->mw_mss, mw->mw_nummss * sizeof (void*), 18395f5f7a6fSahrens mssp) == -1) { 18405f5f7a6fSahrens mdb_warn("failed to read vdev_ms at %p", mssp); 18415f5f7a6fSahrens return (WALK_ERR); 18425f5f7a6fSahrens } 18435f5f7a6fSahrens } 18445f5f7a6fSahrens 18455f5f7a6fSahrens if (mw->mw_curms >= mw->mw_nummss) { 18465f5f7a6fSahrens mw->mw_mss = NULL; 18475f5f7a6fSahrens mw->mw_curms = 0; 18485f5f7a6fSahrens mw->mw_nummss = 0; 18495f5f7a6fSahrens mw->mw_curvdev++; 18505f5f7a6fSahrens return (WALK_NEXT); 18515f5f7a6fSahrens } 18525f5f7a6fSahrens 18535f5f7a6fSahrens msp = mw->mw_mss[mw->mw_curms]; 18545f5f7a6fSahrens if (mdb_vread(&ms, sizeof (metaslab_t), msp) == -1) { 18555f5f7a6fSahrens mdb_warn("failed to read metaslab_t at %p", msp); 18565f5f7a6fSahrens return (WALK_ERR); 18575f5f7a6fSahrens } 18585f5f7a6fSahrens 18595f5f7a6fSahrens mw->mw_curms++; 18605f5f7a6fSahrens 18615f5f7a6fSahrens return (wsp->walk_callback(msp, &ms, wsp->walk_cbdata)); 18625f5f7a6fSahrens } 18635f5f7a6fSahrens 18645f5f7a6fSahrens static int 18655f5f7a6fSahrens metaslab_walk_init(mdb_walk_state_t *wsp) 18665f5f7a6fSahrens { 18675f5f7a6fSahrens metaslab_walk_data_t *mw; 18685f5f7a6fSahrens uintptr_t root_vdevp; 18695f5f7a6fSahrens uintptr_t childp; 18705f5f7a6fSahrens 18715f5f7a6fSahrens if (wsp->walk_addr == NULL) { 18725f5f7a6fSahrens mdb_warn("must supply address of spa_t\n"); 18735f5f7a6fSahrens return (WALK_ERR); 18745f5f7a6fSahrens } 18755f5f7a6fSahrens 18765f5f7a6fSahrens mw = mdb_zalloc(sizeof (metaslab_walk_data_t), UM_SLEEP | UM_GC); 18775f5f7a6fSahrens 187828e4da25SMatthew Ahrens if (GETMEMB(wsp->walk_addr, "spa", spa_root_vdev, root_vdevp) || 187928e4da25SMatthew Ahrens GETMEMB(root_vdevp, "vdev", vdev_children, mw->mw_numvdevs) || 188028e4da25SMatthew Ahrens GETMEMB(root_vdevp, "vdev", vdev_child, childp)) { 18815f5f7a6fSahrens return (DCMD_ERR); 18825f5f7a6fSahrens } 18835f5f7a6fSahrens 18845f5f7a6fSahrens mw->mw_vdevs = mdb_alloc(mw->mw_numvdevs * sizeof (void *), 18855f5f7a6fSahrens UM_SLEEP | UM_GC); 18865f5f7a6fSahrens if (mdb_vread(mw->mw_vdevs, mw->mw_numvdevs * sizeof (void *), 18875f5f7a6fSahrens childp) == -1) { 18885f5f7a6fSahrens mdb_warn("failed to read root vdev children at %p", childp); 18895f5f7a6fSahrens return (DCMD_ERR); 18905f5f7a6fSahrens } 18915f5f7a6fSahrens 18925f5f7a6fSahrens wsp->walk_data = mw; 18935f5f7a6fSahrens 18945f5f7a6fSahrens return (WALK_NEXT); 18955f5f7a6fSahrens } 18965f5f7a6fSahrens 1897fa9e4066Sahrens typedef struct mdb_spa { 1898fa9e4066Sahrens uintptr_t spa_dsl_pool; 1899fa9e4066Sahrens uintptr_t spa_root_vdev; 1900fa9e4066Sahrens } mdb_spa_t; 1901fa9e4066Sahrens 19022515f5d4SJustin T. Gibbs typedef struct mdb_dsl_pool { 19032515f5d4SJustin T. Gibbs uintptr_t dp_root_dir; 19042515f5d4SJustin T. Gibbs } mdb_dsl_pool_t; 19052515f5d4SJustin T. Gibbs 1906fa9e4066Sahrens typedef struct mdb_dsl_dir { 19072515f5d4SJustin T. Gibbs uintptr_t dd_dbuf; 1908fa9e4066Sahrens int64_t dd_space_towrite[TXG_SIZE]; 1909fa9e4066Sahrens } mdb_dsl_dir_t; 1910fa9e4066Sahrens 1911fa9e4066Sahrens typedef struct mdb_dsl_dir_phys { 1912fa9e4066Sahrens uint64_t dd_used_bytes; 1913fa9e4066Sahrens uint64_t dd_compressed_bytes; 1914fa9e4066Sahrens uint64_t dd_uncompressed_bytes; 1915fa9e4066Sahrens } mdb_dsl_dir_phys_t; 1916fa9e4066Sahrens 19175f5f7a6fSahrens typedef struct space_data { 19180713e232SGeorge Wilson uint64_t ms_alloctree[TXG_SIZE]; 19190713e232SGeorge Wilson uint64_t ms_freetree[TXG_SIZE]; 19200713e232SGeorge Wilson uint64_t ms_tree; 1921*8363e80aSGeorge Wilson int64_t ms_deferspace; 19225f5f7a6fSahrens uint64_t avail; 19235f5f7a6fSahrens uint64_t nowavail; 19245f5f7a6fSahrens } space_data_t; 19255f5f7a6fSahrens 19265f5f7a6fSahrens /* ARGSUSED */ 19275f5f7a6fSahrens static int 19285f5f7a6fSahrens space_cb(uintptr_t addr, const void *unknown, void *arg) 19295f5f7a6fSahrens { 19305f5f7a6fSahrens space_data_t *sd = arg; 19315f5f7a6fSahrens mdb_metaslab_t ms; 19320713e232SGeorge Wilson mdb_range_tree_t rt; 19332e4c9986SGeorge Wilson mdb_space_map_t sm = { 0 }; 19340713e232SGeorge Wilson mdb_space_map_phys_t smp = { 0 }; 19350713e232SGeorge Wilson int i; 19360713e232SGeorge Wilson 19370713e232SGeorge Wilson if (mdb_ctf_vread(&ms, "metaslab_t", "mdb_metaslab_t", 19380713e232SGeorge Wilson addr, 0) == -1) 19390713e232SGeorge Wilson return (WALK_ERR); 19400713e232SGeorge Wilson 19410713e232SGeorge Wilson for (i = 0; i < TXG_SIZE; i++) { 19420713e232SGeorge Wilson if (mdb_ctf_vread(&rt, "range_tree_t", 19430713e232SGeorge Wilson "mdb_range_tree_t", ms.ms_alloctree[i], 0) == -1) 19442e4c9986SGeorge Wilson return (WALK_ERR); 19452e4c9986SGeorge Wilson 19460713e232SGeorge Wilson sd->ms_alloctree[i] += rt.rt_space; 19475f5f7a6fSahrens 19480713e232SGeorge Wilson if (mdb_ctf_vread(&rt, "range_tree_t", 19490713e232SGeorge Wilson "mdb_range_tree_t", ms.ms_freetree[i], 0) == -1) 19502e4c9986SGeorge Wilson return (WALK_ERR); 19512e4c9986SGeorge Wilson 19520713e232SGeorge Wilson sd->ms_freetree[i] += rt.rt_space; 19530713e232SGeorge Wilson } 19540713e232SGeorge Wilson 19550713e232SGeorge Wilson if (mdb_ctf_vread(&rt, "range_tree_t", 19562e4c9986SGeorge Wilson "mdb_range_tree_t", ms.ms_tree, 0) == -1) 19572e4c9986SGeorge Wilson return (WALK_ERR); 19582e4c9986SGeorge Wilson 19592e4c9986SGeorge Wilson if (ms.ms_sm != NULL && 19600713e232SGeorge Wilson mdb_ctf_vread(&sm, "space_map_t", 19610713e232SGeorge Wilson "mdb_space_map_t", ms.ms_sm, 0) == -1) 19625f5f7a6fSahrens return (WALK_ERR); 19630713e232SGeorge Wilson 19640713e232SGeorge Wilson if (sm.sm_phys != NULL) { 19650713e232SGeorge Wilson (void) mdb_ctf_vread(&smp, "space_map_phys_t", 19660713e232SGeorge Wilson "mdb_space_map_phys_t", sm.sm_phys, 0); 19675f5f7a6fSahrens } 19685f5f7a6fSahrens 1969*8363e80aSGeorge Wilson sd->ms_deferspace += ms.ms_deferspace; 19700713e232SGeorge Wilson sd->ms_tree += rt.rt_space; 19710713e232SGeorge Wilson sd->avail += sm.sm_size - sm.sm_alloc; 19720713e232SGeorge Wilson sd->nowavail += sm.sm_size - smp.smp_alloc; 19735f5f7a6fSahrens 19745f5f7a6fSahrens return (WALK_NEXT); 19755f5f7a6fSahrens } 19765f5f7a6fSahrens 1977fa9e4066Sahrens /* 1978fa9e4066Sahrens * ::spa_space [-b] 1979fa9e4066Sahrens * 1980fa9e4066Sahrens * Given a spa_t, print out it's on-disk space usage and in-core 1981fa9e4066Sahrens * estimates of future usage. If -b is given, print space in bytes. 1982fa9e4066Sahrens * Otherwise print in megabytes. 1983fa9e4066Sahrens */ 1984fa9e4066Sahrens /* ARGSUSED */ 1985fa9e4066Sahrens static int 1986fa9e4066Sahrens spa_space(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1987fa9e4066Sahrens { 1988fa9e4066Sahrens mdb_spa_t spa; 19892515f5d4SJustin T. Gibbs mdb_dsl_pool_t dp; 1990fa9e4066Sahrens mdb_dsl_dir_t dd; 19912515f5d4SJustin T. Gibbs mdb_dmu_buf_impl_t db; 1992fa9e4066Sahrens mdb_dsl_dir_phys_t dsp; 19935f5f7a6fSahrens space_data_t sd; 1994fa9e4066Sahrens int shift = 20; 1995fa9e4066Sahrens char *suffix = "M"; 199628e4da25SMatthew Ahrens int bytes = B_FALSE; 1997fa9e4066Sahrens 199828e4da25SMatthew Ahrens if (mdb_getopts(argc, argv, 'b', MDB_OPT_SETBITS, TRUE, &bytes, NULL) != 1999fa9e4066Sahrens argc) 2000fa9e4066Sahrens return (DCMD_USAGE); 2001fa9e4066Sahrens if (!(flags & DCMD_ADDRSPEC)) 2002fa9e4066Sahrens return (DCMD_USAGE); 2003fa9e4066Sahrens 200428e4da25SMatthew Ahrens if (bytes) { 2005fa9e4066Sahrens shift = 0; 2006fa9e4066Sahrens suffix = ""; 2007fa9e4066Sahrens } 2008fa9e4066Sahrens 20092515f5d4SJustin T. Gibbs if (mdb_ctf_vread(&spa, ZFS_STRUCT "spa", "mdb_spa_t", 20102515f5d4SJustin T. Gibbs addr, 0) == -1 || 20112515f5d4SJustin T. Gibbs mdb_ctf_vread(&dp, ZFS_STRUCT "dsl_pool", "mdb_dsl_pool_t", 20122515f5d4SJustin T. Gibbs spa.spa_dsl_pool, 0) == -1 || 20132515f5d4SJustin T. Gibbs mdb_ctf_vread(&dd, ZFS_STRUCT "dsl_dir", "mdb_dsl_dir_t", 20142515f5d4SJustin T. Gibbs dp.dp_root_dir, 0) == -1 || 20152515f5d4SJustin T. Gibbs mdb_ctf_vread(&db, ZFS_STRUCT "dmu_buf_impl", "mdb_dmu_buf_impl_t", 20162515f5d4SJustin T. Gibbs dd.dd_dbuf, 0) == -1 || 20172515f5d4SJustin T. Gibbs mdb_ctf_vread(&dsp, ZFS_STRUCT "dsl_dir_phys", 20182515f5d4SJustin T. Gibbs "mdb_dsl_dir_phys_t", db.db.db_data, 0) == -1) { 2019fa9e4066Sahrens return (DCMD_ERR); 2020fa9e4066Sahrens } 2021fa9e4066Sahrens 2022fa9e4066Sahrens mdb_printf("dd_space_towrite = %llu%s %llu%s %llu%s %llu%s\n", 2023fa9e4066Sahrens dd.dd_space_towrite[0] >> shift, suffix, 2024fa9e4066Sahrens dd.dd_space_towrite[1] >> shift, suffix, 2025fa9e4066Sahrens dd.dd_space_towrite[2] >> shift, suffix, 2026fa9e4066Sahrens dd.dd_space_towrite[3] >> shift, suffix); 2027fa9e4066Sahrens 2028fa9e4066Sahrens mdb_printf("dd_phys.dd_used_bytes = %llu%s\n", 2029fa9e4066Sahrens dsp.dd_used_bytes >> shift, suffix); 20305f5f7a6fSahrens mdb_printf("dd_phys.dd_compressed_bytes = %llu%s\n", 20315f5f7a6fSahrens dsp.dd_compressed_bytes >> shift, suffix); 20325f5f7a6fSahrens mdb_printf("dd_phys.dd_uncompressed_bytes = %llu%s\n", 20335f5f7a6fSahrens dsp.dd_uncompressed_bytes >> shift, suffix); 20345f5f7a6fSahrens 20355f5f7a6fSahrens bzero(&sd, sizeof (sd)); 20365f5f7a6fSahrens if (mdb_pwalk("metaslab", space_cb, &sd, addr) != 0) { 20375f5f7a6fSahrens mdb_warn("can't walk metaslabs"); 20385f5f7a6fSahrens return (DCMD_ERR); 2039fa9e4066Sahrens } 2040fa9e4066Sahrens 2041fa9e4066Sahrens mdb_printf("ms_allocmap = %llu%s %llu%s %llu%s %llu%s\n", 20420713e232SGeorge Wilson sd.ms_alloctree[0] >> shift, suffix, 20430713e232SGeorge Wilson sd.ms_alloctree[1] >> shift, suffix, 20440713e232SGeorge Wilson sd.ms_alloctree[2] >> shift, suffix, 20450713e232SGeorge Wilson sd.ms_alloctree[3] >> shift, suffix); 2046fa9e4066Sahrens mdb_printf("ms_freemap = %llu%s %llu%s %llu%s %llu%s\n", 20470713e232SGeorge Wilson sd.ms_freetree[0] >> shift, suffix, 20480713e232SGeorge Wilson sd.ms_freetree[1] >> shift, suffix, 20490713e232SGeorge Wilson sd.ms_freetree[2] >> shift, suffix, 20500713e232SGeorge Wilson sd.ms_freetree[3] >> shift, suffix); 20510713e232SGeorge Wilson mdb_printf("ms_tree = %llu%s\n", sd.ms_tree >> shift, suffix); 2052*8363e80aSGeorge Wilson mdb_printf("ms_deferspace = %llu%s\n", 2053*8363e80aSGeorge Wilson sd.ms_deferspace >> shift, suffix); 20545f5f7a6fSahrens mdb_printf("last synced avail = %llu%s\n", sd.avail >> shift, suffix); 20555f5f7a6fSahrens mdb_printf("current syncing avail = %llu%s\n", 20565f5f7a6fSahrens sd.nowavail >> shift, suffix); 2057fa9e4066Sahrens 2058fa9e4066Sahrens return (DCMD_OK); 2059fa9e4066Sahrens } 2060fa9e4066Sahrens 206122ce0148SMatthew Ahrens typedef struct mdb_spa_aux_vdev { 206222ce0148SMatthew Ahrens int sav_count; 206322ce0148SMatthew Ahrens uintptr_t sav_vdevs; 206422ce0148SMatthew Ahrens } mdb_spa_aux_vdev_t; 2065fa9e4066Sahrens 206622ce0148SMatthew Ahrens typedef struct mdb_spa_vdevs { 206722ce0148SMatthew Ahrens uintptr_t spa_root_vdev; 206822ce0148SMatthew Ahrens mdb_spa_aux_vdev_t spa_l2cache; 206922ce0148SMatthew Ahrens mdb_spa_aux_vdev_t spa_spares; 207022ce0148SMatthew Ahrens } mdb_spa_vdevs_t; 2071fa9e4066Sahrens 2072ec9f632eSEric Schrock static int 207322ce0148SMatthew Ahrens spa_print_aux(mdb_spa_aux_vdev_t *sav, uint_t flags, mdb_arg_t *v, 2074ec9f632eSEric Schrock const char *name) 2075ec9f632eSEric Schrock { 2076ec9f632eSEric Schrock uintptr_t *aux; 2077ec9f632eSEric Schrock size_t len; 2078ec9f632eSEric Schrock int ret, i; 2079ec9f632eSEric Schrock 2080ec9f632eSEric Schrock /* 2081ec9f632eSEric Schrock * Iterate over aux vdevs and print those out as well. This is a 2082ec9f632eSEric Schrock * little annoying because we don't have a root vdev to pass to ::vdev. 2083ec9f632eSEric Schrock * Instead, we print a single line and then call it for each child 2084ec9f632eSEric Schrock * vdev. 2085ec9f632eSEric Schrock */ 2086ec9f632eSEric Schrock if (sav->sav_count != 0) { 2087ec9f632eSEric Schrock v[1].a_type = MDB_TYPE_STRING; 2088ec9f632eSEric Schrock v[1].a_un.a_str = "-d"; 2089ec9f632eSEric Schrock v[2].a_type = MDB_TYPE_IMMEDIATE; 2090ec9f632eSEric Schrock v[2].a_un.a_val = 2; 2091ec9f632eSEric Schrock 2092ec9f632eSEric Schrock len = sav->sav_count * sizeof (uintptr_t); 2093ec9f632eSEric Schrock aux = mdb_alloc(len, UM_SLEEP); 209422ce0148SMatthew Ahrens if (mdb_vread(aux, len, sav->sav_vdevs) == -1) { 2095ec9f632eSEric Schrock mdb_free(aux, len); 2096ec9f632eSEric Schrock mdb_warn("failed to read l2cache vdevs at %p", 2097ec9f632eSEric Schrock sav->sav_vdevs); 2098ec9f632eSEric Schrock return (DCMD_ERR); 2099ec9f632eSEric Schrock } 2100ec9f632eSEric Schrock 2101ec9f632eSEric Schrock mdb_printf("%-?s %-9s %-12s %s\n", "-", "-", "-", name); 2102ec9f632eSEric Schrock 2103ec9f632eSEric Schrock for (i = 0; i < sav->sav_count; i++) { 2104ec9f632eSEric Schrock ret = mdb_call_dcmd("vdev", aux[i], flags, 3, v); 2105ec9f632eSEric Schrock if (ret != DCMD_OK) { 2106ec9f632eSEric Schrock mdb_free(aux, len); 2107ec9f632eSEric Schrock return (ret); 2108ec9f632eSEric Schrock } 2109ec9f632eSEric Schrock } 2110ec9f632eSEric Schrock 2111ec9f632eSEric Schrock mdb_free(aux, len); 2112ec9f632eSEric Schrock } 2113ec9f632eSEric Schrock 2114ec9f632eSEric Schrock return (0); 2115ec9f632eSEric Schrock } 2116ec9f632eSEric Schrock 2117fa9e4066Sahrens /* 2118fa9e4066Sahrens * ::spa_vdevs 2119fa9e4066Sahrens * 21202e4c9986SGeorge Wilson * -e Include error stats 21212e4c9986SGeorge Wilson * -m Include metaslab information 21222e4c9986SGeorge Wilson * -M Include metaslab group information 21232e4c9986SGeorge Wilson * -h Include histogram information (requires -m or -M) 2124fa9e4066Sahrens * 2125fa9e4066Sahrens * Print out a summarized list of vdevs for the given spa_t. 2126c5904d13Seschrock * This is accomplished by invoking "::vdev -re" on the root vdev, as well as 2127c5904d13Seschrock * iterating over the cache devices. 2128fa9e4066Sahrens */ 2129fa9e4066Sahrens /* ARGSUSED */ 2130fa9e4066Sahrens static int 2131fa9e4066Sahrens spa_vdevs(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 2132fa9e4066Sahrens { 2133c5904d13Seschrock mdb_arg_t v[3]; 2134ec9f632eSEric Schrock int ret; 21352e4c9986SGeorge Wilson char opts[100] = "-r"; 21362e4c9986SGeorge Wilson int spa_flags = 0; 2137fa9e4066Sahrens 2138fa9e4066Sahrens if (mdb_getopts(argc, argv, 21392e4c9986SGeorge Wilson 'e', MDB_OPT_SETBITS, SPA_FLAG_ERRORS, &spa_flags, 21402e4c9986SGeorge Wilson 'm', MDB_OPT_SETBITS, SPA_FLAG_METASLABS, &spa_flags, 21412e4c9986SGeorge Wilson 'M', MDB_OPT_SETBITS, SPA_FLAG_METASLAB_GROUPS, &spa_flags, 21422e4c9986SGeorge Wilson 'h', MDB_OPT_SETBITS, SPA_FLAG_HISTOGRAMS, &spa_flags, 2143fa9e4066Sahrens NULL) != argc) 2144fa9e4066Sahrens return (DCMD_USAGE); 2145fa9e4066Sahrens 2146fa9e4066Sahrens if (!(flags & DCMD_ADDRSPEC)) 2147fa9e4066Sahrens return (DCMD_USAGE); 2148fa9e4066Sahrens 214922ce0148SMatthew Ahrens mdb_spa_vdevs_t spa; 215022ce0148SMatthew Ahrens if (mdb_ctf_vread(&spa, "spa_t", "mdb_spa_vdevs_t", addr, 0) == -1) 2151fa9e4066Sahrens return (DCMD_ERR); 2152fa9e4066Sahrens 2153088e9d47Seschrock /* 2154088e9d47Seschrock * Unitialized spa_t structures can have a NULL root vdev. 2155088e9d47Seschrock */ 2156088e9d47Seschrock if (spa.spa_root_vdev == NULL) { 2157088e9d47Seschrock mdb_printf("no associated vdevs\n"); 2158088e9d47Seschrock return (DCMD_OK); 2159088e9d47Seschrock } 2160088e9d47Seschrock 21612e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_ERRORS) 21622e4c9986SGeorge Wilson strcat(opts, "e"); 21632e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_METASLABS) 21642e4c9986SGeorge Wilson strcat(opts, "m"); 21652e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_METASLAB_GROUPS) 21662e4c9986SGeorge Wilson strcat(opts, "M"); 21672e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_HISTOGRAMS) 21682e4c9986SGeorge Wilson strcat(opts, "h"); 21692e4c9986SGeorge Wilson 2170c5904d13Seschrock v[0].a_type = MDB_TYPE_STRING; 21712e4c9986SGeorge Wilson v[0].a_un.a_str = opts; 2172fa9e4066Sahrens 2173c5904d13Seschrock ret = mdb_call_dcmd("vdev", (uintptr_t)spa.spa_root_vdev, 2174c5904d13Seschrock flags, 1, v); 2175c5904d13Seschrock if (ret != DCMD_OK) 2176c5904d13Seschrock return (ret); 2177c5904d13Seschrock 2178ec9f632eSEric Schrock if (spa_print_aux(&spa.spa_l2cache, flags, v, "cache") != 0 || 2179ec9f632eSEric Schrock spa_print_aux(&spa.spa_spares, flags, v, "spares") != 0) 2180ec9f632eSEric Schrock return (DCMD_ERR); 2181c5904d13Seschrock 2182c5904d13Seschrock return (DCMD_OK); 2183fa9e4066Sahrens } 2184fa9e4066Sahrens 2185ccae0b50Seschrock /* 2186ccae0b50Seschrock * ::zio 2187ccae0b50Seschrock * 2188ccae0b50Seschrock * Print a summary of zio_t and all its children. This is intended to display a 2189ccae0b50Seschrock * zio tree, and hence we only pick the most important pieces of information for 2190ccae0b50Seschrock * the main summary. More detailed information can always be found by doing a 2191ccae0b50Seschrock * '::print zio' on the underlying zio_t. The columns we display are: 2192ccae0b50Seschrock * 2193c55e05cbSMatthew Ahrens * ADDRESS TYPE STAGE WAITER TIME_ELAPSED 2194ccae0b50Seschrock * 2195ccae0b50Seschrock * The 'address' column is indented by one space for each depth level as we 2196ccae0b50Seschrock * descend down the tree. 2197ccae0b50Seschrock */ 2198fac3008cSeschrock 2199c55e05cbSMatthew Ahrens #define ZIO_MAXINDENT 7 2200a3f829aeSBill Moore #define ZIO_MAXWIDTH (sizeof (uintptr_t) * 2 + ZIO_MAXINDENT) 2201a3f829aeSBill Moore #define ZIO_WALK_SELF 0 2202a3f829aeSBill Moore #define ZIO_WALK_CHILD 1 2203a3f829aeSBill Moore #define ZIO_WALK_PARENT 2 2204a3f829aeSBill Moore 2205a3f829aeSBill Moore typedef struct zio_print_args { 2206a3f829aeSBill Moore int zpa_current_depth; 2207a3f829aeSBill Moore int zpa_min_depth; 2208a3f829aeSBill Moore int zpa_max_depth; 2209a3f829aeSBill Moore int zpa_type; 2210a3f829aeSBill Moore uint_t zpa_flags; 2211a3f829aeSBill Moore } zio_print_args_t; 2212a3f829aeSBill Moore 221328e4da25SMatthew Ahrens typedef struct mdb_zio { 221428e4da25SMatthew Ahrens enum zio_type io_type; 221528e4da25SMatthew Ahrens enum zio_stage io_stage; 2216d5ee8a13SMatthew Ahrens uintptr_t io_waiter; 2217d5ee8a13SMatthew Ahrens uintptr_t io_spa; 221828e4da25SMatthew Ahrens struct { 221928e4da25SMatthew Ahrens struct { 2220d5ee8a13SMatthew Ahrens uintptr_t list_next; 222128e4da25SMatthew Ahrens } list_head; 222228e4da25SMatthew Ahrens } io_parent_list; 222328e4da25SMatthew Ahrens int io_error; 222428e4da25SMatthew Ahrens } mdb_zio_t; 222528e4da25SMatthew Ahrens 2226c55e05cbSMatthew Ahrens typedef struct mdb_zio_timestamp { 2227c55e05cbSMatthew Ahrens hrtime_t io_timestamp; 2228c55e05cbSMatthew Ahrens } mdb_zio_timestamp_t; 2229c55e05cbSMatthew Ahrens 2230a3f829aeSBill Moore static int zio_child_cb(uintptr_t addr, const void *unknown, void *arg); 2231fac3008cSeschrock 2232ccae0b50Seschrock static int 2233c55e05cbSMatthew Ahrens zio_print_cb(uintptr_t addr, zio_print_args_t *zpa) 2234ccae0b50Seschrock { 2235ccae0b50Seschrock mdb_ctf_id_t type_enum, stage_enum; 2236a3f829aeSBill Moore int indent = zpa->zpa_current_depth; 2237ccae0b50Seschrock const char *type, *stage; 2238a3f829aeSBill Moore uintptr_t laddr; 2239c55e05cbSMatthew Ahrens mdb_zio_t zio; 2240c55e05cbSMatthew Ahrens mdb_zio_timestamp_t zio_timestamp = { 0 }; 2241c55e05cbSMatthew Ahrens 2242c55e05cbSMatthew Ahrens if (mdb_ctf_vread(&zio, ZFS_STRUCT "zio", "mdb_zio_t", addr, 0) == -1) 2243c55e05cbSMatthew Ahrens return (WALK_ERR); 2244c55e05cbSMatthew Ahrens (void) mdb_ctf_vread(&zio_timestamp, ZFS_STRUCT "zio", 2245c55e05cbSMatthew Ahrens "mdb_zio_timestamp_t", addr, MDB_CTF_VREAD_QUIET); 2246ccae0b50Seschrock 2247a3f829aeSBill Moore if (indent > ZIO_MAXINDENT) 2248a3f829aeSBill Moore indent = ZIO_MAXINDENT; 2249ccae0b50Seschrock 2250ccae0b50Seschrock if (mdb_ctf_lookup_by_name("enum zio_type", &type_enum) == -1 || 2251ccae0b50Seschrock mdb_ctf_lookup_by_name("enum zio_stage", &stage_enum) == -1) { 2252ccae0b50Seschrock mdb_warn("failed to lookup zio enums"); 2253ccae0b50Seschrock return (WALK_ERR); 2254ccae0b50Seschrock } 2255ccae0b50Seschrock 2256c55e05cbSMatthew Ahrens if ((type = mdb_ctf_enum_name(type_enum, zio.io_type)) != NULL) 2257ccae0b50Seschrock type += sizeof ("ZIO_TYPE_") - 1; 2258ccae0b50Seschrock else 2259ccae0b50Seschrock type = "?"; 2260ccae0b50Seschrock 2261c55e05cbSMatthew Ahrens if (zio.io_error == 0) { 2262c55e05cbSMatthew Ahrens stage = mdb_ctf_enum_name(stage_enum, zio.io_stage); 226328e4da25SMatthew Ahrens if (stage != NULL) 226428e4da25SMatthew Ahrens stage += sizeof ("ZIO_STAGE_") - 1; 226528e4da25SMatthew Ahrens else 226628e4da25SMatthew Ahrens stage = "?"; 226728e4da25SMatthew Ahrens } else { 226828e4da25SMatthew Ahrens stage = "FAILED"; 226928e4da25SMatthew Ahrens } 2270ccae0b50Seschrock 2271a3f829aeSBill Moore if (zpa->zpa_current_depth >= zpa->zpa_min_depth) { 2272a3f829aeSBill Moore if (zpa->zpa_flags & DCMD_PIPE_OUT) { 2273a3f829aeSBill Moore mdb_printf("%?p\n", addr); 2274a3f829aeSBill Moore } else { 2275a3f829aeSBill Moore mdb_printf("%*s%-*p %-5s %-16s ", indent, "", 2276a3f829aeSBill Moore ZIO_MAXWIDTH - indent, addr, type, stage); 2277d5ee8a13SMatthew Ahrens if (zio.io_waiter != 0) 2278d5ee8a13SMatthew Ahrens mdb_printf("%-16lx ", zio.io_waiter); 2279a3f829aeSBill Moore else 2280c55e05cbSMatthew Ahrens mdb_printf("%-16s ", "-"); 2281c55e05cbSMatthew Ahrens #ifdef _KERNEL 2282c55e05cbSMatthew Ahrens if (zio_timestamp.io_timestamp != 0) { 2283c55e05cbSMatthew Ahrens mdb_printf("%llums", (mdb_gethrtime() - 2284c55e05cbSMatthew Ahrens zio_timestamp.io_timestamp) / 2285c55e05cbSMatthew Ahrens 1000000); 2286c55e05cbSMatthew Ahrens } else { 2287c55e05cbSMatthew Ahrens mdb_printf("%-12s ", "-"); 2288c55e05cbSMatthew Ahrens } 2289c55e05cbSMatthew Ahrens #else 2290c55e05cbSMatthew Ahrens mdb_printf("%-12s ", "-"); 2291c55e05cbSMatthew Ahrens #endif 2292c55e05cbSMatthew Ahrens mdb_printf("\n"); 2293a3f829aeSBill Moore } 2294a3f829aeSBill Moore } 2295a3f829aeSBill Moore 2296a3f829aeSBill Moore if (zpa->zpa_current_depth >= zpa->zpa_max_depth) 2297a3f829aeSBill Moore return (WALK_NEXT); 2298ccae0b50Seschrock 2299a3f829aeSBill Moore if (zpa->zpa_type == ZIO_WALK_PARENT) 230028e4da25SMatthew Ahrens laddr = addr + mdb_ctf_offsetof_by_name(ZFS_STRUCT "zio", 230128e4da25SMatthew Ahrens "io_parent_list"); 2302ccae0b50Seschrock else 230328e4da25SMatthew Ahrens laddr = addr + mdb_ctf_offsetof_by_name(ZFS_STRUCT "zio", 230428e4da25SMatthew Ahrens "io_child_list"); 2305ccae0b50Seschrock 2306a3f829aeSBill Moore zpa->zpa_current_depth++; 2307a3f829aeSBill Moore if (mdb_pwalk("list", zio_child_cb, zpa, laddr) != 0) { 2308a3f829aeSBill Moore mdb_warn("failed to walk zio_t children at %p\n", laddr); 2309ccae0b50Seschrock return (WALK_ERR); 2310ccae0b50Seschrock } 2311a3f829aeSBill Moore zpa->zpa_current_depth--; 2312ccae0b50Seschrock 2313ccae0b50Seschrock return (WALK_NEXT); 2314ccae0b50Seschrock } 2315ccae0b50Seschrock 2316a3f829aeSBill Moore /* ARGSUSED */ 2317ccae0b50Seschrock static int 2318a3f829aeSBill Moore zio_child_cb(uintptr_t addr, const void *unknown, void *arg) 2319ccae0b50Seschrock { 2320a3f829aeSBill Moore zio_link_t zl; 2321a3f829aeSBill Moore uintptr_t ziop; 2322a3f829aeSBill Moore zio_print_args_t *zpa = arg; 2323a3f829aeSBill Moore 2324a3f829aeSBill Moore if (mdb_vread(&zl, sizeof (zl), addr) == -1) { 2325a3f829aeSBill Moore mdb_warn("failed to read zio_link_t at %p", addr); 2326a3f829aeSBill Moore return (WALK_ERR); 2327a3f829aeSBill Moore } 2328a3f829aeSBill Moore 2329a3f829aeSBill Moore if (zpa->zpa_type == ZIO_WALK_PARENT) 2330a3f829aeSBill Moore ziop = (uintptr_t)zl.zl_parent; 2331a3f829aeSBill Moore else 2332a3f829aeSBill Moore ziop = (uintptr_t)zl.zl_child; 2333a3f829aeSBill Moore 233469962b56SMatthew Ahrens return (zio_print_cb(ziop, zpa)); 2335a3f829aeSBill Moore } 2336a3f829aeSBill Moore 2337a3f829aeSBill Moore /* ARGSUSED */ 2338a3f829aeSBill Moore static int 2339a3f829aeSBill Moore zio_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 2340a3f829aeSBill Moore { 2341a3f829aeSBill Moore zio_print_args_t zpa = { 0 }; 2342ccae0b50Seschrock 2343ccae0b50Seschrock if (!(flags & DCMD_ADDRSPEC)) 2344ccae0b50Seschrock return (DCMD_USAGE); 2345ccae0b50Seschrock 2346a3f829aeSBill Moore if (mdb_getopts(argc, argv, 2347a3f829aeSBill Moore 'r', MDB_OPT_SETBITS, INT_MAX, &zpa.zpa_max_depth, 2348a3f829aeSBill Moore 'c', MDB_OPT_SETBITS, ZIO_WALK_CHILD, &zpa.zpa_type, 2349a3f829aeSBill Moore 'p', MDB_OPT_SETBITS, ZIO_WALK_PARENT, &zpa.zpa_type, 2350a3f829aeSBill Moore NULL) != argc) 2351a3f829aeSBill Moore return (DCMD_USAGE); 2352a3f829aeSBill Moore 2353a3f829aeSBill Moore zpa.zpa_flags = flags; 2354a3f829aeSBill Moore if (zpa.zpa_max_depth != 0) { 2355a3f829aeSBill Moore if (zpa.zpa_type == ZIO_WALK_SELF) 2356a3f829aeSBill Moore zpa.zpa_type = ZIO_WALK_CHILD; 2357a3f829aeSBill Moore } else if (zpa.zpa_type != ZIO_WALK_SELF) { 2358a3f829aeSBill Moore zpa.zpa_min_depth = 1; 2359a3f829aeSBill Moore zpa.zpa_max_depth = 1; 2360a3f829aeSBill Moore } 2361a3f829aeSBill Moore 2362c55e05cbSMatthew Ahrens if (!(flags & DCMD_PIPE_OUT) && DCMD_HDRSPEC(flags)) { 2363c55e05cbSMatthew Ahrens mdb_printf("%<u>%-*s %-5s %-16s %-16s %-12s%</u>\n", 2364c55e05cbSMatthew Ahrens ZIO_MAXWIDTH, "ADDRESS", "TYPE", "STAGE", "WAITER", 2365c55e05cbSMatthew Ahrens "TIME_ELAPSED"); 2366c55e05cbSMatthew Ahrens } 2367fac3008cSeschrock 2368c55e05cbSMatthew Ahrens if (zio_print_cb(addr, &zpa) != WALK_NEXT) 2369ccae0b50Seschrock return (DCMD_ERR); 2370ccae0b50Seschrock 2371ccae0b50Seschrock return (DCMD_OK); 2372ccae0b50Seschrock } 2373ccae0b50Seschrock 2374ccae0b50Seschrock /* 2375ccae0b50Seschrock * [addr]::zio_state 2376ccae0b50Seschrock * 2377ccae0b50Seschrock * Print a summary of all zio_t structures on the system, or for a particular 2378ccae0b50Seschrock * pool. This is equivalent to '::walk zio_root | ::zio'. 2379ccae0b50Seschrock */ 2380ccae0b50Seschrock /*ARGSUSED*/ 2381ccae0b50Seschrock static int 2382ccae0b50Seschrock zio_state(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 2383ccae0b50Seschrock { 2384ccae0b50Seschrock /* 2385ccae0b50Seschrock * MDB will remember the last address of the pipeline, so if we don't 2386ccae0b50Seschrock * zero this we'll end up trying to walk zio structures for a 2387ccae0b50Seschrock * non-existent spa_t. 2388ccae0b50Seschrock */ 2389ccae0b50Seschrock if (!(flags & DCMD_ADDRSPEC)) 2390ccae0b50Seschrock addr = 0; 2391ccae0b50Seschrock 2392ccae0b50Seschrock return (mdb_pwalk_dcmd("zio_root", "zio", argc, argv, addr)); 2393ccae0b50Seschrock } 2394ccae0b50Seschrock 2395dcbf3bd6SGeorge Wilson typedef struct mdb_multilist { 2396dcbf3bd6SGeorge Wilson uint64_t ml_num_sublists; 2397dcbf3bd6SGeorge Wilson uintptr_t ml_sublists; 2398dcbf3bd6SGeorge Wilson } mdb_multilist_t; 2399dcbf3bd6SGeorge Wilson 2400dcbf3bd6SGeorge Wilson typedef struct multilist_walk_data { 2401dcbf3bd6SGeorge Wilson uint64_t mwd_idx; 2402dcbf3bd6SGeorge Wilson mdb_multilist_t mwd_ml; 2403dcbf3bd6SGeorge Wilson } multilist_walk_data_t; 2404dcbf3bd6SGeorge Wilson 2405dcbf3bd6SGeorge Wilson /* ARGSUSED */ 2406dcbf3bd6SGeorge Wilson static int 2407dcbf3bd6SGeorge Wilson multilist_print_cb(uintptr_t addr, const void *unknown, void *arg) 2408dcbf3bd6SGeorge Wilson { 2409dcbf3bd6SGeorge Wilson mdb_printf("%#lr\n", addr); 2410dcbf3bd6SGeorge Wilson return (WALK_NEXT); 2411dcbf3bd6SGeorge Wilson } 2412dcbf3bd6SGeorge Wilson 2413dcbf3bd6SGeorge Wilson static int 2414dcbf3bd6SGeorge Wilson multilist_walk_step(mdb_walk_state_t *wsp) 2415dcbf3bd6SGeorge Wilson { 2416dcbf3bd6SGeorge Wilson multilist_walk_data_t *mwd = wsp->walk_data; 2417dcbf3bd6SGeorge Wilson 2418dcbf3bd6SGeorge Wilson if (mwd->mwd_idx >= mwd->mwd_ml.ml_num_sublists) 2419dcbf3bd6SGeorge Wilson return (WALK_DONE); 2420dcbf3bd6SGeorge Wilson 2421dcbf3bd6SGeorge Wilson wsp->walk_addr = mwd->mwd_ml.ml_sublists + 2422dcbf3bd6SGeorge Wilson mdb_ctf_sizeof_by_name("multilist_sublist_t") * mwd->mwd_idx + 2423dcbf3bd6SGeorge Wilson mdb_ctf_offsetof_by_name("multilist_sublist_t", "mls_list"); 2424dcbf3bd6SGeorge Wilson 2425dcbf3bd6SGeorge Wilson mdb_pwalk("list", multilist_print_cb, (void*)NULL, wsp->walk_addr); 2426dcbf3bd6SGeorge Wilson mwd->mwd_idx++; 2427dcbf3bd6SGeorge Wilson 2428dcbf3bd6SGeorge Wilson return (WALK_NEXT); 2429dcbf3bd6SGeorge Wilson } 2430dcbf3bd6SGeorge Wilson 2431dcbf3bd6SGeorge Wilson static int 2432dcbf3bd6SGeorge Wilson multilist_walk_init(mdb_walk_state_t *wsp) 2433dcbf3bd6SGeorge Wilson { 2434dcbf3bd6SGeorge Wilson multilist_walk_data_t *mwd; 2435dcbf3bd6SGeorge Wilson 2436dcbf3bd6SGeorge Wilson if (wsp->walk_addr == NULL) { 2437dcbf3bd6SGeorge Wilson mdb_warn("must supply address of multilist_t\n"); 2438dcbf3bd6SGeorge Wilson return (WALK_ERR); 2439dcbf3bd6SGeorge Wilson } 2440dcbf3bd6SGeorge Wilson 2441dcbf3bd6SGeorge Wilson mwd = mdb_zalloc(sizeof (multilist_walk_data_t), UM_SLEEP | UM_GC); 2442dcbf3bd6SGeorge Wilson if (mdb_ctf_vread(&mwd->mwd_ml, "multilist_t", "mdb_multilist_t", 2443dcbf3bd6SGeorge Wilson wsp->walk_addr, 0) == -1) { 2444dcbf3bd6SGeorge Wilson return (WALK_ERR); 2445dcbf3bd6SGeorge Wilson } 2446dcbf3bd6SGeorge Wilson 2447dcbf3bd6SGeorge Wilson if (mwd->mwd_ml.ml_num_sublists == 0 || 2448dcbf3bd6SGeorge Wilson mwd->mwd_ml.ml_sublists == NULL) { 2449dcbf3bd6SGeorge Wilson mdb_warn("invalid or uninitialized multilist at %#lx\n", 2450dcbf3bd6SGeorge Wilson wsp->walk_addr); 2451dcbf3bd6SGeorge Wilson return (WALK_ERR); 2452dcbf3bd6SGeorge Wilson } 2453dcbf3bd6SGeorge Wilson 2454dcbf3bd6SGeorge Wilson wsp->walk_data = mwd; 2455dcbf3bd6SGeorge Wilson return (WALK_NEXT); 2456dcbf3bd6SGeorge Wilson } 2457dcbf3bd6SGeorge Wilson 2458fa9e4066Sahrens typedef struct txg_list_walk_data { 2459fa9e4066Sahrens uintptr_t lw_head[TXG_SIZE]; 2460fa9e4066Sahrens int lw_txgoff; 2461fa9e4066Sahrens int lw_maxoff; 2462fa9e4066Sahrens size_t lw_offset; 2463fa9e4066Sahrens void *lw_obj; 2464fa9e4066Sahrens } txg_list_walk_data_t; 2465fa9e4066Sahrens 2466fa9e4066Sahrens static int 2467fa9e4066Sahrens txg_list_walk_init_common(mdb_walk_state_t *wsp, int txg, int maxoff) 2468fa9e4066Sahrens { 2469fa9e4066Sahrens txg_list_walk_data_t *lwd; 2470fa9e4066Sahrens txg_list_t list; 2471fa9e4066Sahrens int i; 2472fa9e4066Sahrens 2473fa9e4066Sahrens lwd = mdb_alloc(sizeof (txg_list_walk_data_t), UM_SLEEP | UM_GC); 2474fa9e4066Sahrens if (mdb_vread(&list, sizeof (txg_list_t), wsp->walk_addr) == -1) { 2475fa9e4066Sahrens mdb_warn("failed to read txg_list_t at %#lx", wsp->walk_addr); 2476fa9e4066Sahrens return (WALK_ERR); 2477fa9e4066Sahrens } 2478fa9e4066Sahrens 2479fa9e4066Sahrens for (i = 0; i < TXG_SIZE; i++) 2480fa9e4066Sahrens lwd->lw_head[i] = (uintptr_t)list.tl_head[i]; 2481fa9e4066Sahrens lwd->lw_offset = list.tl_offset; 2482fa9e4066Sahrens lwd->lw_obj = mdb_alloc(lwd->lw_offset + sizeof (txg_node_t), 2483fa9e4066Sahrens UM_SLEEP | UM_GC); 2484fa9e4066Sahrens lwd->lw_txgoff = txg; 2485fa9e4066Sahrens lwd->lw_maxoff = maxoff; 2486fa9e4066Sahrens 2487fa9e4066Sahrens wsp->walk_addr = lwd->lw_head[lwd->lw_txgoff]; 2488fa9e4066Sahrens wsp->walk_data = lwd; 2489fa9e4066Sahrens 2490fa9e4066Sahrens return (WALK_NEXT); 2491fa9e4066Sahrens } 2492fa9e4066Sahrens 2493fa9e4066Sahrens static int 2494fa9e4066Sahrens txg_list_walk_init(mdb_walk_state_t *wsp) 2495fa9e4066Sahrens { 2496fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 0, TXG_SIZE-1)); 2497fa9e4066Sahrens } 2498fa9e4066Sahrens 2499fa9e4066Sahrens static int 2500fa9e4066Sahrens txg_list0_walk_init(mdb_walk_state_t *wsp) 2501fa9e4066Sahrens { 2502fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 0, 0)); 2503fa9e4066Sahrens } 2504fa9e4066Sahrens 2505fa9e4066Sahrens static int 2506fa9e4066Sahrens txg_list1_walk_init(mdb_walk_state_t *wsp) 2507fa9e4066Sahrens { 2508fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 1, 1)); 2509fa9e4066Sahrens } 2510fa9e4066Sahrens 2511fa9e4066Sahrens static int 2512fa9e4066Sahrens txg_list2_walk_init(mdb_walk_state_t *wsp) 2513fa9e4066Sahrens { 2514fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 2, 2)); 2515fa9e4066Sahrens } 2516fa9e4066Sahrens 2517fa9e4066Sahrens static int 2518fa9e4066Sahrens txg_list3_walk_init(mdb_walk_state_t *wsp) 2519fa9e4066Sahrens { 2520fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 3, 3)); 2521fa9e4066Sahrens } 2522fa9e4066Sahrens 2523fa9e4066Sahrens static int 2524fa9e4066Sahrens txg_list_walk_step(mdb_walk_state_t *wsp) 2525fa9e4066Sahrens { 2526fa9e4066Sahrens txg_list_walk_data_t *lwd = wsp->walk_data; 2527fa9e4066Sahrens uintptr_t addr; 2528fa9e4066Sahrens txg_node_t *node; 2529fa9e4066Sahrens int status; 2530fa9e4066Sahrens 2531fa9e4066Sahrens while (wsp->walk_addr == NULL && lwd->lw_txgoff < lwd->lw_maxoff) { 2532fa9e4066Sahrens lwd->lw_txgoff++; 2533fa9e4066Sahrens wsp->walk_addr = lwd->lw_head[lwd->lw_txgoff]; 2534fa9e4066Sahrens } 2535fa9e4066Sahrens 2536fa9e4066Sahrens if (wsp->walk_addr == NULL) 2537fa9e4066Sahrens return (WALK_DONE); 2538fa9e4066Sahrens 2539fa9e4066Sahrens addr = wsp->walk_addr - lwd->lw_offset; 2540fa9e4066Sahrens 2541fa9e4066Sahrens if (mdb_vread(lwd->lw_obj, 2542fa9e4066Sahrens lwd->lw_offset + sizeof (txg_node_t), addr) == -1) { 2543fa9e4066Sahrens mdb_warn("failed to read list element at %#lx", addr); 2544fa9e4066Sahrens return (WALK_ERR); 2545fa9e4066Sahrens } 2546fa9e4066Sahrens 2547fa9e4066Sahrens status = wsp->walk_callback(addr, lwd->lw_obj, wsp->walk_cbdata); 2548fa9e4066Sahrens node = (txg_node_t *)((uintptr_t)lwd->lw_obj + lwd->lw_offset); 2549fa9e4066Sahrens wsp->walk_addr = (uintptr_t)node->tn_next[lwd->lw_txgoff]; 2550fa9e4066Sahrens 2551fa9e4066Sahrens return (status); 2552fa9e4066Sahrens } 2553fa9e4066Sahrens 2554fa9e4066Sahrens /* 2555fa9e4066Sahrens * ::walk spa 2556fa9e4066Sahrens * 2557fa9e4066Sahrens * Walk all named spa_t structures in the namespace. This is nothing more than 2558fa9e4066Sahrens * a layered avl walk. 2559fa9e4066Sahrens */ 2560fa9e4066Sahrens static int 2561fa9e4066Sahrens spa_walk_init(mdb_walk_state_t *wsp) 2562fa9e4066Sahrens { 2563fa9e4066Sahrens GElf_Sym sym; 2564fa9e4066Sahrens 2565fa9e4066Sahrens if (wsp->walk_addr != NULL) { 2566fa9e4066Sahrens mdb_warn("spa walk only supports global walks\n"); 2567fa9e4066Sahrens return (WALK_ERR); 2568fa9e4066Sahrens } 2569fa9e4066Sahrens 2570fa9e4066Sahrens if (mdb_lookup_by_obj(ZFS_OBJ_NAME, "spa_namespace_avl", &sym) == -1) { 2571fa9e4066Sahrens mdb_warn("failed to find symbol 'spa_namespace_avl'"); 2572fa9e4066Sahrens return (WALK_ERR); 2573fa9e4066Sahrens } 2574fa9e4066Sahrens 2575fa9e4066Sahrens wsp->walk_addr = (uintptr_t)sym.st_value; 2576fa9e4066Sahrens 2577fa9e4066Sahrens if (mdb_layered_walk("avl", wsp) == -1) { 2578fa9e4066Sahrens mdb_warn("failed to walk 'avl'\n"); 2579fa9e4066Sahrens return (WALK_ERR); 2580fa9e4066Sahrens } 2581fa9e4066Sahrens 2582fa9e4066Sahrens return (WALK_NEXT); 2583fa9e4066Sahrens } 2584fa9e4066Sahrens 2585fa9e4066Sahrens static int 2586fa9e4066Sahrens spa_walk_step(mdb_walk_state_t *wsp) 2587fa9e4066Sahrens { 258822ce0148SMatthew Ahrens return (wsp->walk_callback(wsp->walk_addr, NULL, wsp->walk_cbdata)); 2589fa9e4066Sahrens } 2590fa9e4066Sahrens 2591ccae0b50Seschrock /* 2592ccae0b50Seschrock * [addr]::walk zio 2593ccae0b50Seschrock * 2594ccae0b50Seschrock * Walk all active zio_t structures on the system. This is simply a layered 2595ccae0b50Seschrock * walk on top of ::walk zio_cache, with the optional ability to limit the 2596ccae0b50Seschrock * structures to a particular pool. 2597ccae0b50Seschrock */ 2598ccae0b50Seschrock static int 2599ccae0b50Seschrock zio_walk_init(mdb_walk_state_t *wsp) 2600ccae0b50Seschrock { 2601dee140dfSMatthew Ahrens wsp->walk_data = (void *)wsp->walk_addr; 2602ccae0b50Seschrock 2603ccae0b50Seschrock if (mdb_layered_walk("zio_cache", wsp) == -1) { 2604ccae0b50Seschrock mdb_warn("failed to walk 'zio_cache'\n"); 2605ccae0b50Seschrock return (WALK_ERR); 2606ccae0b50Seschrock } 2607ccae0b50Seschrock 2608ccae0b50Seschrock return (WALK_NEXT); 2609ccae0b50Seschrock } 2610ccae0b50Seschrock 2611ccae0b50Seschrock static int 2612ccae0b50Seschrock zio_walk_step(mdb_walk_state_t *wsp) 2613ccae0b50Seschrock { 261428e4da25SMatthew Ahrens mdb_zio_t zio; 2615dee140dfSMatthew Ahrens uintptr_t spa = (uintptr_t)wsp->walk_data; 2616ccae0b50Seschrock 261728e4da25SMatthew Ahrens if (mdb_ctf_vread(&zio, ZFS_STRUCT "zio", "mdb_zio_t", 261828e4da25SMatthew Ahrens wsp->walk_addr, 0) == -1) 2619ccae0b50Seschrock return (WALK_ERR); 2620ccae0b50Seschrock 2621dee140dfSMatthew Ahrens if (spa != 0 && spa != zio.io_spa) 2622ccae0b50Seschrock return (WALK_NEXT); 2623ccae0b50Seschrock 2624ccae0b50Seschrock return (wsp->walk_callback(wsp->walk_addr, &zio, wsp->walk_cbdata)); 2625ccae0b50Seschrock } 2626ccae0b50Seschrock 2627ccae0b50Seschrock /* 2628ccae0b50Seschrock * [addr]::walk zio_root 2629ccae0b50Seschrock * 2630ccae0b50Seschrock * Walk only root zio_t structures, optionally for a particular spa_t. 2631ccae0b50Seschrock */ 2632ccae0b50Seschrock static int 2633ccae0b50Seschrock zio_walk_root_step(mdb_walk_state_t *wsp) 2634ccae0b50Seschrock { 263528e4da25SMatthew Ahrens mdb_zio_t zio; 2636dee140dfSMatthew Ahrens uintptr_t spa = (uintptr_t)wsp->walk_data; 2637ccae0b50Seschrock 263828e4da25SMatthew Ahrens if (mdb_ctf_vread(&zio, ZFS_STRUCT "zio", "mdb_zio_t", 263928e4da25SMatthew Ahrens wsp->walk_addr, 0) == -1) 2640ccae0b50Seschrock return (WALK_ERR); 2641ccae0b50Seschrock 2642dee140dfSMatthew Ahrens if (spa != 0 && spa != zio.io_spa) 2643ccae0b50Seschrock return (WALK_NEXT); 2644ccae0b50Seschrock 2645a3f829aeSBill Moore /* If the parent list is not empty, ignore */ 2646d5ee8a13SMatthew Ahrens if (zio.io_parent_list.list_head.list_next != 264728e4da25SMatthew Ahrens wsp->walk_addr + 264828e4da25SMatthew Ahrens mdb_ctf_offsetof_by_name(ZFS_STRUCT "zio", "io_parent_list") + 264928e4da25SMatthew Ahrens mdb_ctf_offsetof_by_name("struct list", "list_head")) 2650ccae0b50Seschrock return (WALK_NEXT); 2651ccae0b50Seschrock 2652ccae0b50Seschrock return (wsp->walk_callback(wsp->walk_addr, &zio, wsp->walk_cbdata)); 2653ccae0b50Seschrock } 2654ccae0b50Seschrock 265588b7b0f2SMatthew Ahrens /* 265688b7b0f2SMatthew Ahrens * ::zfs_blkstats 265788b7b0f2SMatthew Ahrens * 26582e4c9986SGeorge Wilson * -v print verbose per-level information 265988b7b0f2SMatthew Ahrens * 266088b7b0f2SMatthew Ahrens */ 266188b7b0f2SMatthew Ahrens static int 266288b7b0f2SMatthew Ahrens zfs_blkstats(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 266388b7b0f2SMatthew Ahrens { 266488b7b0f2SMatthew Ahrens boolean_t verbose = B_FALSE; 266588b7b0f2SMatthew Ahrens zfs_all_blkstats_t stats; 266688b7b0f2SMatthew Ahrens dmu_object_type_t t; 266788b7b0f2SMatthew Ahrens zfs_blkstat_t *tzb; 266888b7b0f2SMatthew Ahrens uint64_t ditto; 266988b7b0f2SMatthew Ahrens dmu_object_type_info_t dmu_ot[DMU_OT_NUMTYPES + 10]; 267088b7b0f2SMatthew Ahrens /* +10 in case it grew */ 267188b7b0f2SMatthew Ahrens 267288b7b0f2SMatthew Ahrens if (mdb_readvar(&dmu_ot, "dmu_ot") == -1) { 267388b7b0f2SMatthew Ahrens mdb_warn("failed to read 'dmu_ot'"); 267488b7b0f2SMatthew Ahrens return (DCMD_ERR); 267588b7b0f2SMatthew Ahrens } 267688b7b0f2SMatthew Ahrens 267788b7b0f2SMatthew Ahrens if (mdb_getopts(argc, argv, 267888b7b0f2SMatthew Ahrens 'v', MDB_OPT_SETBITS, TRUE, &verbose, 267988b7b0f2SMatthew Ahrens NULL) != argc) 268088b7b0f2SMatthew Ahrens return (DCMD_USAGE); 268188b7b0f2SMatthew Ahrens 268288b7b0f2SMatthew Ahrens if (!(flags & DCMD_ADDRSPEC)) 268388b7b0f2SMatthew Ahrens return (DCMD_USAGE); 268488b7b0f2SMatthew Ahrens 268528e4da25SMatthew Ahrens if (GETMEMB(addr, "spa", spa_dsl_pool, addr) || 268628e4da25SMatthew Ahrens GETMEMB(addr, "dsl_pool", dp_blkstats, addr) || 268788b7b0f2SMatthew Ahrens mdb_vread(&stats, sizeof (zfs_all_blkstats_t), addr) == -1) { 268888b7b0f2SMatthew Ahrens mdb_warn("failed to read data at %p;", addr); 268988b7b0f2SMatthew Ahrens mdb_printf("maybe no stats? run \"zpool scrub\" first."); 269088b7b0f2SMatthew Ahrens return (DCMD_ERR); 269188b7b0f2SMatthew Ahrens } 269288b7b0f2SMatthew Ahrens 2693ad135b5dSChristopher Siden tzb = &stats.zab_type[DN_MAX_LEVELS][DMU_OT_TOTAL]; 269488b7b0f2SMatthew Ahrens if (tzb->zb_gangs != 0) { 269588b7b0f2SMatthew Ahrens mdb_printf("Ganged blocks: %llu\n", 269688b7b0f2SMatthew Ahrens (longlong_t)tzb->zb_gangs); 269788b7b0f2SMatthew Ahrens } 269888b7b0f2SMatthew Ahrens 269988b7b0f2SMatthew Ahrens ditto = tzb->zb_ditto_2_of_2_samevdev + tzb->zb_ditto_2_of_3_samevdev + 270088b7b0f2SMatthew Ahrens tzb->zb_ditto_3_of_3_samevdev; 270188b7b0f2SMatthew Ahrens if (ditto != 0) { 270288b7b0f2SMatthew Ahrens mdb_printf("Dittoed blocks on same vdev: %llu\n", 270388b7b0f2SMatthew Ahrens (longlong_t)ditto); 270488b7b0f2SMatthew Ahrens } 270588b7b0f2SMatthew Ahrens 270688b7b0f2SMatthew Ahrens mdb_printf("\nBlocks\tLSIZE\tPSIZE\tASIZE" 270788b7b0f2SMatthew Ahrens "\t avg\t comp\t%%Total\tType\n"); 270888b7b0f2SMatthew Ahrens 2709ad135b5dSChristopher Siden for (t = 0; t <= DMU_OT_TOTAL; t++) { 271088b7b0f2SMatthew Ahrens char csize[NICENUM_BUFLEN], lsize[NICENUM_BUFLEN]; 271188b7b0f2SMatthew Ahrens char psize[NICENUM_BUFLEN], asize[NICENUM_BUFLEN]; 271288b7b0f2SMatthew Ahrens char avg[NICENUM_BUFLEN]; 271388b7b0f2SMatthew Ahrens char comp[NICENUM_BUFLEN], pct[NICENUM_BUFLEN]; 271488b7b0f2SMatthew Ahrens char typename[64]; 271588b7b0f2SMatthew Ahrens int l; 271688b7b0f2SMatthew Ahrens 271788b7b0f2SMatthew Ahrens 271888b7b0f2SMatthew Ahrens if (t == DMU_OT_DEFERRED) 271988b7b0f2SMatthew Ahrens strcpy(typename, "deferred free"); 2720ad135b5dSChristopher Siden else if (t == DMU_OT_OTHER) 2721ad135b5dSChristopher Siden strcpy(typename, "other"); 272288b7b0f2SMatthew Ahrens else if (t == DMU_OT_TOTAL) 272388b7b0f2SMatthew Ahrens strcpy(typename, "Total"); 272488b7b0f2SMatthew Ahrens else if (mdb_readstr(typename, sizeof (typename), 272588b7b0f2SMatthew Ahrens (uintptr_t)dmu_ot[t].ot_name) == -1) { 272688b7b0f2SMatthew Ahrens mdb_warn("failed to read type name"); 272788b7b0f2SMatthew Ahrens return (DCMD_ERR); 272888b7b0f2SMatthew Ahrens } 272988b7b0f2SMatthew Ahrens 273088b7b0f2SMatthew Ahrens if (stats.zab_type[DN_MAX_LEVELS][t].zb_asize == 0) 273188b7b0f2SMatthew Ahrens continue; 273288b7b0f2SMatthew Ahrens 273388b7b0f2SMatthew Ahrens for (l = -1; l < DN_MAX_LEVELS; l++) { 273488b7b0f2SMatthew Ahrens int level = (l == -1 ? DN_MAX_LEVELS : l); 273588b7b0f2SMatthew Ahrens zfs_blkstat_t *zb = &stats.zab_type[level][t]; 273688b7b0f2SMatthew Ahrens 273788b7b0f2SMatthew Ahrens if (zb->zb_asize == 0) 273888b7b0f2SMatthew Ahrens continue; 273988b7b0f2SMatthew Ahrens 274088b7b0f2SMatthew Ahrens /* 274188b7b0f2SMatthew Ahrens * Don't print each level unless requested. 274288b7b0f2SMatthew Ahrens */ 274388b7b0f2SMatthew Ahrens if (!verbose && level != DN_MAX_LEVELS) 274488b7b0f2SMatthew Ahrens continue; 274588b7b0f2SMatthew Ahrens 274688b7b0f2SMatthew Ahrens /* 274788b7b0f2SMatthew Ahrens * If all the space is level 0, don't print the 274888b7b0f2SMatthew Ahrens * level 0 separately. 274988b7b0f2SMatthew Ahrens */ 275088b7b0f2SMatthew Ahrens if (level == 0 && zb->zb_asize == 275188b7b0f2SMatthew Ahrens stats.zab_type[DN_MAX_LEVELS][t].zb_asize) 275288b7b0f2SMatthew Ahrens continue; 275388b7b0f2SMatthew Ahrens 275488b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_count, csize); 275588b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_lsize, lsize); 275688b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_psize, psize); 275788b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_asize, asize); 275888b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_asize / zb->zb_count, avg); 2759ff64c0f7SMatthew Ahrens (void) snprintfrac(comp, NICENUM_BUFLEN, 2760ff64c0f7SMatthew Ahrens zb->zb_lsize, zb->zb_psize, 2); 2761ff64c0f7SMatthew Ahrens (void) snprintfrac(pct, NICENUM_BUFLEN, 2762ff64c0f7SMatthew Ahrens 100 * zb->zb_asize, tzb->zb_asize, 2); 276388b7b0f2SMatthew Ahrens 276488b7b0f2SMatthew Ahrens mdb_printf("%6s\t%5s\t%5s\t%5s\t%5s" 276588b7b0f2SMatthew Ahrens "\t%5s\t%6s\t", 276688b7b0f2SMatthew Ahrens csize, lsize, psize, asize, avg, comp, pct); 276788b7b0f2SMatthew Ahrens 276888b7b0f2SMatthew Ahrens if (level == DN_MAX_LEVELS) 276988b7b0f2SMatthew Ahrens mdb_printf("%s\n", typename); 277088b7b0f2SMatthew Ahrens else 277188b7b0f2SMatthew Ahrens mdb_printf(" L%d %s\n", 277288b7b0f2SMatthew Ahrens level, typename); 277388b7b0f2SMatthew Ahrens } 277488b7b0f2SMatthew Ahrens } 277588b7b0f2SMatthew Ahrens 277688b7b0f2SMatthew Ahrens return (DCMD_OK); 277788b7b0f2SMatthew Ahrens } 277888b7b0f2SMatthew Ahrens 2779d5ee8a13SMatthew Ahrens typedef struct mdb_reference { 2780d5ee8a13SMatthew Ahrens uintptr_t ref_holder; 2781d5ee8a13SMatthew Ahrens uintptr_t ref_removed; 2782d5ee8a13SMatthew Ahrens uint64_t ref_number; 2783d5ee8a13SMatthew Ahrens } mdb_reference_t; 2784d5ee8a13SMatthew Ahrens 27859966ca11SMatthew Ahrens /* ARGSUSED */ 27869966ca11SMatthew Ahrens static int 27879966ca11SMatthew Ahrens reference_cb(uintptr_t addr, const void *ignored, void *arg) 27889966ca11SMatthew Ahrens { 2789d5ee8a13SMatthew Ahrens mdb_reference_t ref; 27903f9d6ad7SLin Ling boolean_t holder_is_str = B_FALSE; 27919966ca11SMatthew Ahrens char holder_str[128]; 27929966ca11SMatthew Ahrens boolean_t removed = (boolean_t)arg; 27939966ca11SMatthew Ahrens 2794d5ee8a13SMatthew Ahrens if (mdb_ctf_vread(&ref, "reference_t", "mdb_reference_t", addr, 2795d5ee8a13SMatthew Ahrens 0) == -1) 2796d5ee8a13SMatthew Ahrens return (DCMD_ERR); 27979966ca11SMatthew Ahrens 2798d5ee8a13SMatthew Ahrens if (mdb_readstr(holder_str, sizeof (holder_str), 2799d5ee8a13SMatthew Ahrens ref.ref_holder) != -1) 28003f9d6ad7SLin Ling holder_is_str = strisprint(holder_str); 28019966ca11SMatthew Ahrens 28029966ca11SMatthew Ahrens if (removed) 28039966ca11SMatthew Ahrens mdb_printf("removed "); 28049966ca11SMatthew Ahrens mdb_printf("reference "); 2805d5ee8a13SMatthew Ahrens if (ref.ref_number != 1) 2806d5ee8a13SMatthew Ahrens mdb_printf("with count=%llu ", ref.ref_number); 2807d5ee8a13SMatthew Ahrens mdb_printf("with tag %lx", ref.ref_holder); 28089966ca11SMatthew Ahrens if (holder_is_str) 28099966ca11SMatthew Ahrens mdb_printf(" \"%s\"", holder_str); 28109966ca11SMatthew Ahrens mdb_printf(", held at:\n"); 28119966ca11SMatthew Ahrens 28129966ca11SMatthew Ahrens (void) mdb_call_dcmd("whatis", addr, DCMD_ADDRSPEC, 0, NULL); 28139966ca11SMatthew Ahrens 28149966ca11SMatthew Ahrens if (removed) { 28159966ca11SMatthew Ahrens mdb_printf("removed at:\n"); 2816d5ee8a13SMatthew Ahrens (void) mdb_call_dcmd("whatis", ref.ref_removed, 28179966ca11SMatthew Ahrens DCMD_ADDRSPEC, 0, NULL); 28189966ca11SMatthew Ahrens } 28199966ca11SMatthew Ahrens 28209966ca11SMatthew Ahrens mdb_printf("\n"); 28219966ca11SMatthew Ahrens 28229966ca11SMatthew Ahrens return (WALK_NEXT); 28239966ca11SMatthew Ahrens } 28249966ca11SMatthew Ahrens 2825d5ee8a13SMatthew Ahrens typedef struct mdb_refcount { 2826d5ee8a13SMatthew Ahrens uint64_t rc_count; 2827d5ee8a13SMatthew Ahrens } mdb_refcount_t; 2828d5ee8a13SMatthew Ahrens 2829d5ee8a13SMatthew Ahrens typedef struct mdb_refcount_removed { 2830d5ee8a13SMatthew Ahrens uint64_t rc_removed_count; 2831d5ee8a13SMatthew Ahrens } mdb_refcount_removed_t; 2832d5ee8a13SMatthew Ahrens 2833d5ee8a13SMatthew Ahrens typedef struct mdb_refcount_tracked { 2834d5ee8a13SMatthew Ahrens boolean_t rc_tracked; 2835d5ee8a13SMatthew Ahrens } mdb_refcount_tracked_t; 2836d5ee8a13SMatthew Ahrens 28379966ca11SMatthew Ahrens /* ARGSUSED */ 28389966ca11SMatthew Ahrens static int 28399966ca11SMatthew Ahrens refcount(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 28409966ca11SMatthew Ahrens { 2841d5ee8a13SMatthew Ahrens mdb_refcount_t rc; 2842d5ee8a13SMatthew Ahrens mdb_refcount_removed_t rcr; 2843d5ee8a13SMatthew Ahrens mdb_refcount_tracked_t rct; 2844d5ee8a13SMatthew Ahrens int off; 284528e4da25SMatthew Ahrens boolean_t released = B_FALSE; 28469966ca11SMatthew Ahrens 28479966ca11SMatthew Ahrens if (!(flags & DCMD_ADDRSPEC)) 28489966ca11SMatthew Ahrens return (DCMD_USAGE); 28499966ca11SMatthew Ahrens 285028e4da25SMatthew Ahrens if (mdb_getopts(argc, argv, 285128e4da25SMatthew Ahrens 'r', MDB_OPT_SETBITS, B_TRUE, &released, 285228e4da25SMatthew Ahrens NULL) != argc) 285328e4da25SMatthew Ahrens return (DCMD_USAGE); 285428e4da25SMatthew Ahrens 2855d5ee8a13SMatthew Ahrens if (mdb_ctf_vread(&rc, "refcount_t", "mdb_refcount_t", addr, 2856d5ee8a13SMatthew Ahrens 0) == -1) 28579966ca11SMatthew Ahrens return (DCMD_ERR); 28589966ca11SMatthew Ahrens 2859d5ee8a13SMatthew Ahrens if (mdb_ctf_vread(&rcr, "refcount_t", "mdb_refcount_removed_t", addr, 2860d5ee8a13SMatthew Ahrens MDB_CTF_VREAD_QUIET) == -1) { 2861d5ee8a13SMatthew Ahrens mdb_printf("refcount_t at %p has %llu holds (untracked)\n", 2862d5ee8a13SMatthew Ahrens addr, (longlong_t)rc.rc_count); 286328e4da25SMatthew Ahrens return (DCMD_OK); 286428e4da25SMatthew Ahrens } 286528e4da25SMatthew Ahrens 2866d5ee8a13SMatthew Ahrens if (mdb_ctf_vread(&rct, "refcount_t", "mdb_refcount_tracked_t", addr, 2867d5ee8a13SMatthew Ahrens MDB_CTF_VREAD_QUIET) == -1) { 2868d5ee8a13SMatthew Ahrens /* If this is an old target, it might be tracked. */ 2869d5ee8a13SMatthew Ahrens rct.rc_tracked = B_TRUE; 2870d5ee8a13SMatthew Ahrens } 2871d5ee8a13SMatthew Ahrens 28729966ca11SMatthew Ahrens mdb_printf("refcount_t at %p has %llu current holds, " 28739966ca11SMatthew Ahrens "%llu recently released holds\n", 2874d5ee8a13SMatthew Ahrens addr, (longlong_t)rc.rc_count, (longlong_t)rcr.rc_removed_count); 28759966ca11SMatthew Ahrens 2876d5ee8a13SMatthew Ahrens if (rct.rc_tracked && rc.rc_count > 0) 28779966ca11SMatthew Ahrens mdb_printf("current holds:\n"); 2878d5ee8a13SMatthew Ahrens off = mdb_ctf_offsetof_by_name("refcount_t", "rc_list"); 2879d5ee8a13SMatthew Ahrens if (off == -1) 28809966ca11SMatthew Ahrens return (DCMD_ERR); 2881d5ee8a13SMatthew Ahrens mdb_pwalk("list", reference_cb, (void*)B_FALSE, addr + off); 2882d5ee8a13SMatthew Ahrens 2883d5ee8a13SMatthew Ahrens if (released && rcr.rc_removed_count > 0) { 2884d5ee8a13SMatthew Ahrens mdb_printf("released holds:\n"); 28859966ca11SMatthew Ahrens 2886d5ee8a13SMatthew Ahrens off = mdb_ctf_offsetof_by_name("refcount_t", "rc_removed"); 2887d5ee8a13SMatthew Ahrens if (off == -1) 288828e4da25SMatthew Ahrens return (DCMD_ERR); 2889421ff020SPrakash Surya mdb_pwalk("list", reference_cb, (void*)B_TRUE, addr + off); 289028e4da25SMatthew Ahrens } 28919966ca11SMatthew Ahrens 28929966ca11SMatthew Ahrens return (DCMD_OK); 28939966ca11SMatthew Ahrens } 28949966ca11SMatthew Ahrens 28950a586ceaSMark Shellenbaum /* ARGSUSED */ 28960a586ceaSMark Shellenbaum static int 28970a586ceaSMark Shellenbaum sa_attr_table(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 28980a586ceaSMark Shellenbaum { 28990a586ceaSMark Shellenbaum sa_attr_table_t *table; 29000a586ceaSMark Shellenbaum sa_os_t sa_os; 29010a586ceaSMark Shellenbaum char *name; 29020a586ceaSMark Shellenbaum int i; 29030a586ceaSMark Shellenbaum 29040a586ceaSMark Shellenbaum if (mdb_vread(&sa_os, sizeof (sa_os_t), addr) == -1) { 29050a586ceaSMark Shellenbaum mdb_warn("failed to read sa_os at %p", addr); 29060a586ceaSMark Shellenbaum return (DCMD_ERR); 29070a586ceaSMark Shellenbaum } 29080a586ceaSMark Shellenbaum 29090a586ceaSMark Shellenbaum table = mdb_alloc(sizeof (sa_attr_table_t) * sa_os.sa_num_attrs, 29100a586ceaSMark Shellenbaum UM_SLEEP | UM_GC); 29110a586ceaSMark Shellenbaum name = mdb_alloc(MAXPATHLEN, UM_SLEEP | UM_GC); 29120a586ceaSMark Shellenbaum 29130a586ceaSMark Shellenbaum if (mdb_vread(table, sizeof (sa_attr_table_t) * sa_os.sa_num_attrs, 29140a586ceaSMark Shellenbaum (uintptr_t)sa_os.sa_attr_table) == -1) { 29150a586ceaSMark Shellenbaum mdb_warn("failed to read sa_os at %p", addr); 29160a586ceaSMark Shellenbaum return (DCMD_ERR); 29170a586ceaSMark Shellenbaum } 29180a586ceaSMark Shellenbaum 29190a586ceaSMark Shellenbaum mdb_printf("%<u>%-10s %-10s %-10s %-10s %s%</u>\n", 29200a586ceaSMark Shellenbaum "ATTR ID", "REGISTERED", "LENGTH", "BSWAP", "NAME"); 29210a586ceaSMark Shellenbaum for (i = 0; i != sa_os.sa_num_attrs; i++) { 29220a586ceaSMark Shellenbaum mdb_readstr(name, MAXPATHLEN, (uintptr_t)table[i].sa_name); 29230a586ceaSMark Shellenbaum mdb_printf("%5x %8x %8x %8x %-s\n", 29240a586ceaSMark Shellenbaum (int)table[i].sa_attr, (int)table[i].sa_registered, 29250a586ceaSMark Shellenbaum (int)table[i].sa_length, table[i].sa_byteswap, name); 29260a586ceaSMark Shellenbaum } 29270a586ceaSMark Shellenbaum 29280a586ceaSMark Shellenbaum return (DCMD_OK); 29290a586ceaSMark Shellenbaum } 29300a586ceaSMark Shellenbaum 29310a586ceaSMark Shellenbaum static int 29320a586ceaSMark Shellenbaum sa_get_off_table(uintptr_t addr, uint32_t **off_tab, int attr_count) 29330a586ceaSMark Shellenbaum { 29340a586ceaSMark Shellenbaum uintptr_t idx_table; 29350a586ceaSMark Shellenbaum 293628e4da25SMatthew Ahrens if (GETMEMB(addr, "sa_idx_tab", sa_idx_tab, idx_table)) { 29370a586ceaSMark Shellenbaum mdb_printf("can't find offset table in sa_idx_tab\n"); 29380a586ceaSMark Shellenbaum return (-1); 29390a586ceaSMark Shellenbaum } 29400a586ceaSMark Shellenbaum 29410a586ceaSMark Shellenbaum *off_tab = mdb_alloc(attr_count * sizeof (uint32_t), 29420a586ceaSMark Shellenbaum UM_SLEEP | UM_GC); 29430a586ceaSMark Shellenbaum 29440a586ceaSMark Shellenbaum if (mdb_vread(*off_tab, 29450a586ceaSMark Shellenbaum attr_count * sizeof (uint32_t), idx_table) == -1) { 29460a586ceaSMark Shellenbaum mdb_warn("failed to attribute offset table %p", idx_table); 29470a586ceaSMark Shellenbaum return (-1); 29480a586ceaSMark Shellenbaum } 29490a586ceaSMark Shellenbaum 29500a586ceaSMark Shellenbaum return (DCMD_OK); 29510a586ceaSMark Shellenbaum } 29520a586ceaSMark Shellenbaum 29530a586ceaSMark Shellenbaum /*ARGSUSED*/ 29540a586ceaSMark Shellenbaum static int 29550a586ceaSMark Shellenbaum sa_attr_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 29560a586ceaSMark Shellenbaum { 29570a586ceaSMark Shellenbaum uint32_t *offset_tab; 29580a586ceaSMark Shellenbaum int attr_count; 29590a586ceaSMark Shellenbaum uint64_t attr_id; 29600a586ceaSMark Shellenbaum uintptr_t attr_addr; 29610a586ceaSMark Shellenbaum uintptr_t bonus_tab, spill_tab; 29620a586ceaSMark Shellenbaum uintptr_t db_bonus, db_spill; 29630a586ceaSMark Shellenbaum uintptr_t os, os_sa; 29640a586ceaSMark Shellenbaum uintptr_t db_data; 29650a586ceaSMark Shellenbaum 29660a586ceaSMark Shellenbaum if (argc != 1) 29670a586ceaSMark Shellenbaum return (DCMD_USAGE); 29680a586ceaSMark Shellenbaum 29690a586ceaSMark Shellenbaum if (argv[0].a_type == MDB_TYPE_STRING) 29700a586ceaSMark Shellenbaum attr_id = mdb_strtoull(argv[0].a_un.a_str); 29710a586ceaSMark Shellenbaum else 29720a586ceaSMark Shellenbaum return (DCMD_USAGE); 29730a586ceaSMark Shellenbaum 297428e4da25SMatthew Ahrens if (GETMEMB(addr, "sa_handle", sa_bonus_tab, bonus_tab) || 297528e4da25SMatthew Ahrens GETMEMB(addr, "sa_handle", sa_spill_tab, spill_tab) || 297628e4da25SMatthew Ahrens GETMEMB(addr, "sa_handle", sa_os, os) || 297728e4da25SMatthew Ahrens GETMEMB(addr, "sa_handle", sa_bonus, db_bonus) || 297828e4da25SMatthew Ahrens GETMEMB(addr, "sa_handle", sa_spill, db_spill)) { 29790a586ceaSMark Shellenbaum mdb_printf("Can't find necessary information in sa_handle " 29800a586ceaSMark Shellenbaum "in sa_handle\n"); 29810a586ceaSMark Shellenbaum return (DCMD_ERR); 29820a586ceaSMark Shellenbaum } 29830a586ceaSMark Shellenbaum 298428e4da25SMatthew Ahrens if (GETMEMB(os, "objset", os_sa, os_sa)) { 29850a586ceaSMark Shellenbaum mdb_printf("Can't find os_sa in objset\n"); 29860a586ceaSMark Shellenbaum return (DCMD_ERR); 29870a586ceaSMark Shellenbaum } 29880a586ceaSMark Shellenbaum 298928e4da25SMatthew Ahrens if (GETMEMB(os_sa, "sa_os", sa_num_attrs, attr_count)) { 29900a586ceaSMark Shellenbaum mdb_printf("Can't find sa_num_attrs\n"); 29910a586ceaSMark Shellenbaum return (DCMD_ERR); 29920a586ceaSMark Shellenbaum } 29930a586ceaSMark Shellenbaum 29940a586ceaSMark Shellenbaum if (attr_id > attr_count) { 29950a586ceaSMark Shellenbaum mdb_printf("attribute id number is out of range\n"); 29960a586ceaSMark Shellenbaum return (DCMD_ERR); 29970a586ceaSMark Shellenbaum } 29980a586ceaSMark Shellenbaum 29990a586ceaSMark Shellenbaum if (bonus_tab) { 30000a586ceaSMark Shellenbaum if (sa_get_off_table(bonus_tab, &offset_tab, 30010a586ceaSMark Shellenbaum attr_count) == -1) { 30020a586ceaSMark Shellenbaum return (DCMD_ERR); 30030a586ceaSMark Shellenbaum } 30040a586ceaSMark Shellenbaum 300528e4da25SMatthew Ahrens if (GETMEMB(db_bonus, "dmu_buf", db_data, db_data)) { 30060a586ceaSMark Shellenbaum mdb_printf("can't find db_data in bonus dbuf\n"); 30070a586ceaSMark Shellenbaum return (DCMD_ERR); 30080a586ceaSMark Shellenbaum } 30090a586ceaSMark Shellenbaum } 30100a586ceaSMark Shellenbaum 30110a586ceaSMark Shellenbaum if (bonus_tab && !TOC_ATTR_PRESENT(offset_tab[attr_id]) && 30120a586ceaSMark Shellenbaum spill_tab == NULL) { 30130a586ceaSMark Shellenbaum mdb_printf("Attribute does not exist\n"); 30140a586ceaSMark Shellenbaum return (DCMD_ERR); 30150a586ceaSMark Shellenbaum } else if (!TOC_ATTR_PRESENT(offset_tab[attr_id]) && spill_tab) { 30160a586ceaSMark Shellenbaum if (sa_get_off_table(spill_tab, &offset_tab, 30170a586ceaSMark Shellenbaum attr_count) == -1) { 30180a586ceaSMark Shellenbaum return (DCMD_ERR); 30190a586ceaSMark Shellenbaum } 302028e4da25SMatthew Ahrens if (GETMEMB(db_spill, "dmu_buf", db_data, db_data)) { 30210a586ceaSMark Shellenbaum mdb_printf("can't find db_data in spill dbuf\n"); 30220a586ceaSMark Shellenbaum return (DCMD_ERR); 30230a586ceaSMark Shellenbaum } 30240a586ceaSMark Shellenbaum if (!TOC_ATTR_PRESENT(offset_tab[attr_id])) { 30250a586ceaSMark Shellenbaum mdb_printf("Attribute does not exist\n"); 30260a586ceaSMark Shellenbaum return (DCMD_ERR); 30270a586ceaSMark Shellenbaum } 30280a586ceaSMark Shellenbaum } 30290a586ceaSMark Shellenbaum attr_addr = db_data + TOC_OFF(offset_tab[attr_id]); 30300a586ceaSMark Shellenbaum mdb_printf("%p\n", attr_addr); 30310a586ceaSMark Shellenbaum return (DCMD_OK); 30320a586ceaSMark Shellenbaum } 30330a586ceaSMark Shellenbaum 30340a586ceaSMark Shellenbaum /* ARGSUSED */ 30350a586ceaSMark Shellenbaum static int 30360a586ceaSMark Shellenbaum zfs_ace_print_common(uintptr_t addr, uint_t flags, 30370a586ceaSMark Shellenbaum uint64_t id, uint32_t access_mask, uint16_t ace_flags, 30380a586ceaSMark Shellenbaum uint16_t ace_type, int verbose) 30390a586ceaSMark Shellenbaum { 30400a586ceaSMark Shellenbaum if (DCMD_HDRSPEC(flags) && !verbose) 30410a586ceaSMark Shellenbaum mdb_printf("%<u>%-?s %-8s %-8s %-8s %s%</u>\n", 30420a586ceaSMark Shellenbaum "ADDR", "FLAGS", "MASK", "TYPE", "ID"); 30430a586ceaSMark Shellenbaum 30440a586ceaSMark Shellenbaum if (!verbose) { 30450a586ceaSMark Shellenbaum mdb_printf("%0?p %-8x %-8x %-8x %-llx\n", addr, 30460a586ceaSMark Shellenbaum ace_flags, access_mask, ace_type, id); 30470a586ceaSMark Shellenbaum return (DCMD_OK); 30480a586ceaSMark Shellenbaum } 30490a586ceaSMark Shellenbaum 30500a586ceaSMark Shellenbaum switch (ace_flags & ACE_TYPE_FLAGS) { 30510a586ceaSMark Shellenbaum case ACE_OWNER: 30520a586ceaSMark Shellenbaum mdb_printf("owner@:"); 30530a586ceaSMark Shellenbaum break; 30540a586ceaSMark Shellenbaum case (ACE_IDENTIFIER_GROUP | ACE_GROUP): 30550a586ceaSMark Shellenbaum mdb_printf("group@:"); 30560a586ceaSMark Shellenbaum break; 30570a586ceaSMark Shellenbaum case ACE_EVERYONE: 30580a586ceaSMark Shellenbaum mdb_printf("everyone@:"); 30590a586ceaSMark Shellenbaum break; 30600a586ceaSMark Shellenbaum case ACE_IDENTIFIER_GROUP: 30610a586ceaSMark Shellenbaum mdb_printf("group:%llx:", (u_longlong_t)id); 30620a586ceaSMark Shellenbaum break; 30630a586ceaSMark Shellenbaum case 0: /* User entry */ 30640a586ceaSMark Shellenbaum mdb_printf("user:%llx:", (u_longlong_t)id); 30650a586ceaSMark Shellenbaum break; 30660a586ceaSMark Shellenbaum } 30670a586ceaSMark Shellenbaum 30680a586ceaSMark Shellenbaum /* print out permission mask */ 30690a586ceaSMark Shellenbaum if (access_mask & ACE_READ_DATA) 30700a586ceaSMark Shellenbaum mdb_printf("r"); 30710a586ceaSMark Shellenbaum else 30720a586ceaSMark Shellenbaum mdb_printf("-"); 30730a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_DATA) 30740a586ceaSMark Shellenbaum mdb_printf("w"); 30750a586ceaSMark Shellenbaum else 30760a586ceaSMark Shellenbaum mdb_printf("-"); 30770a586ceaSMark Shellenbaum if (access_mask & ACE_EXECUTE) 30780a586ceaSMark Shellenbaum mdb_printf("x"); 30790a586ceaSMark Shellenbaum else 30800a586ceaSMark Shellenbaum mdb_printf("-"); 30810a586ceaSMark Shellenbaum if (access_mask & ACE_APPEND_DATA) 30820a586ceaSMark Shellenbaum mdb_printf("p"); 30830a586ceaSMark Shellenbaum else 30840a586ceaSMark Shellenbaum mdb_printf("-"); 30850a586ceaSMark Shellenbaum if (access_mask & ACE_DELETE) 30860a586ceaSMark Shellenbaum mdb_printf("d"); 30870a586ceaSMark Shellenbaum else 30880a586ceaSMark Shellenbaum mdb_printf("-"); 30890a586ceaSMark Shellenbaum if (access_mask & ACE_DELETE_CHILD) 30900a586ceaSMark Shellenbaum mdb_printf("D"); 30910a586ceaSMark Shellenbaum else 30920a586ceaSMark Shellenbaum mdb_printf("-"); 30930a586ceaSMark Shellenbaum if (access_mask & ACE_READ_ATTRIBUTES) 30940a586ceaSMark Shellenbaum mdb_printf("a"); 30950a586ceaSMark Shellenbaum else 30960a586ceaSMark Shellenbaum mdb_printf("-"); 30970a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_ATTRIBUTES) 30980a586ceaSMark Shellenbaum mdb_printf("A"); 30990a586ceaSMark Shellenbaum else 31000a586ceaSMark Shellenbaum mdb_printf("-"); 31010a586ceaSMark Shellenbaum if (access_mask & ACE_READ_NAMED_ATTRS) 31020a586ceaSMark Shellenbaum mdb_printf("R"); 31030a586ceaSMark Shellenbaum else 31040a586ceaSMark Shellenbaum mdb_printf("-"); 31050a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_NAMED_ATTRS) 31060a586ceaSMark Shellenbaum mdb_printf("W"); 31070a586ceaSMark Shellenbaum else 31080a586ceaSMark Shellenbaum mdb_printf("-"); 31090a586ceaSMark Shellenbaum if (access_mask & ACE_READ_ACL) 31100a586ceaSMark Shellenbaum mdb_printf("c"); 31110a586ceaSMark Shellenbaum else 31120a586ceaSMark Shellenbaum mdb_printf("-"); 31130a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_ACL) 31140a586ceaSMark Shellenbaum mdb_printf("C"); 31150a586ceaSMark Shellenbaum else 31160a586ceaSMark Shellenbaum mdb_printf("-"); 31170a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_OWNER) 31180a586ceaSMark Shellenbaum mdb_printf("o"); 31190a586ceaSMark Shellenbaum else 31200a586ceaSMark Shellenbaum mdb_printf("-"); 31210a586ceaSMark Shellenbaum if (access_mask & ACE_SYNCHRONIZE) 31220a586ceaSMark Shellenbaum mdb_printf("s"); 31230a586ceaSMark Shellenbaum else 31240a586ceaSMark Shellenbaum mdb_printf("-"); 31250a586ceaSMark Shellenbaum 31260a586ceaSMark Shellenbaum mdb_printf(":"); 31270a586ceaSMark Shellenbaum 31280a586ceaSMark Shellenbaum /* Print out inheritance flags */ 31290a586ceaSMark Shellenbaum if (ace_flags & ACE_FILE_INHERIT_ACE) 31300a586ceaSMark Shellenbaum mdb_printf("f"); 31310a586ceaSMark Shellenbaum else 31320a586ceaSMark Shellenbaum mdb_printf("-"); 31330a586ceaSMark Shellenbaum if (ace_flags & ACE_DIRECTORY_INHERIT_ACE) 31340a586ceaSMark Shellenbaum mdb_printf("d"); 31350a586ceaSMark Shellenbaum else 31360a586ceaSMark Shellenbaum mdb_printf("-"); 31370a586ceaSMark Shellenbaum if (ace_flags & ACE_INHERIT_ONLY_ACE) 31380a586ceaSMark Shellenbaum mdb_printf("i"); 31390a586ceaSMark Shellenbaum else 31400a586ceaSMark Shellenbaum mdb_printf("-"); 31410a586ceaSMark Shellenbaum if (ace_flags & ACE_NO_PROPAGATE_INHERIT_ACE) 31420a586ceaSMark Shellenbaum mdb_printf("n"); 31430a586ceaSMark Shellenbaum else 31440a586ceaSMark Shellenbaum mdb_printf("-"); 31450a586ceaSMark Shellenbaum if (ace_flags & ACE_SUCCESSFUL_ACCESS_ACE_FLAG) 31460a586ceaSMark Shellenbaum mdb_printf("S"); 31470a586ceaSMark Shellenbaum else 31480a586ceaSMark Shellenbaum mdb_printf("-"); 31490a586ceaSMark Shellenbaum if (ace_flags & ACE_FAILED_ACCESS_ACE_FLAG) 31500a586ceaSMark Shellenbaum mdb_printf("F"); 31510a586ceaSMark Shellenbaum else 31520a586ceaSMark Shellenbaum mdb_printf("-"); 31530a586ceaSMark Shellenbaum if (ace_flags & ACE_INHERITED_ACE) 31540a586ceaSMark Shellenbaum mdb_printf("I"); 31550a586ceaSMark Shellenbaum else 31560a586ceaSMark Shellenbaum mdb_printf("-"); 31570a586ceaSMark Shellenbaum 31580a586ceaSMark Shellenbaum switch (ace_type) { 31590a586ceaSMark Shellenbaum case ACE_ACCESS_ALLOWED_ACE_TYPE: 31600a586ceaSMark Shellenbaum mdb_printf(":allow\n"); 31610a586ceaSMark Shellenbaum break; 31620a586ceaSMark Shellenbaum case ACE_ACCESS_DENIED_ACE_TYPE: 31630a586ceaSMark Shellenbaum mdb_printf(":deny\n"); 31640a586ceaSMark Shellenbaum break; 31650a586ceaSMark Shellenbaum case ACE_SYSTEM_AUDIT_ACE_TYPE: 31660a586ceaSMark Shellenbaum mdb_printf(":audit\n"); 31670a586ceaSMark Shellenbaum break; 31680a586ceaSMark Shellenbaum case ACE_SYSTEM_ALARM_ACE_TYPE: 31690a586ceaSMark Shellenbaum mdb_printf(":alarm\n"); 31700a586ceaSMark Shellenbaum break; 31710a586ceaSMark Shellenbaum default: 31720a586ceaSMark Shellenbaum mdb_printf(":?\n"); 31730a586ceaSMark Shellenbaum } 31740a586ceaSMark Shellenbaum return (DCMD_OK); 31750a586ceaSMark Shellenbaum } 31760a586ceaSMark Shellenbaum 31770a586ceaSMark Shellenbaum /* ARGSUSED */ 31780a586ceaSMark Shellenbaum static int 31790a586ceaSMark Shellenbaum zfs_ace_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 31800a586ceaSMark Shellenbaum { 31810a586ceaSMark Shellenbaum zfs_ace_t zace; 31820a586ceaSMark Shellenbaum int verbose = FALSE; 31830a586ceaSMark Shellenbaum uint64_t id; 31840a586ceaSMark Shellenbaum 31850a586ceaSMark Shellenbaum if (!(flags & DCMD_ADDRSPEC)) 31860a586ceaSMark Shellenbaum return (DCMD_USAGE); 31870a586ceaSMark Shellenbaum 31880a586ceaSMark Shellenbaum if (mdb_getopts(argc, argv, 31890a586ceaSMark Shellenbaum 'v', MDB_OPT_SETBITS, TRUE, &verbose, TRUE, NULL) != argc) 31900a586ceaSMark Shellenbaum return (DCMD_USAGE); 31910a586ceaSMark Shellenbaum 31920a586ceaSMark Shellenbaum if (mdb_vread(&zace, sizeof (zfs_ace_t), addr) == -1) { 31930a586ceaSMark Shellenbaum mdb_warn("failed to read zfs_ace_t"); 31940a586ceaSMark Shellenbaum return (DCMD_ERR); 31950a586ceaSMark Shellenbaum } 31960a586ceaSMark Shellenbaum 31970a586ceaSMark Shellenbaum if ((zace.z_hdr.z_flags & ACE_TYPE_FLAGS) == 0 || 31980a586ceaSMark Shellenbaum (zace.z_hdr.z_flags & ACE_TYPE_FLAGS) == ACE_IDENTIFIER_GROUP) 31990a586ceaSMark Shellenbaum id = zace.z_fuid; 32000a586ceaSMark Shellenbaum else 32010a586ceaSMark Shellenbaum id = -1; 32020a586ceaSMark Shellenbaum 32030a586ceaSMark Shellenbaum return (zfs_ace_print_common(addr, flags, id, zace.z_hdr.z_access_mask, 32040a586ceaSMark Shellenbaum zace.z_hdr.z_flags, zace.z_hdr.z_type, verbose)); 32050a586ceaSMark Shellenbaum } 32060a586ceaSMark Shellenbaum 32070a586ceaSMark Shellenbaum /* ARGSUSED */ 32080a586ceaSMark Shellenbaum static int 32090a586ceaSMark Shellenbaum zfs_ace0_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 32100a586ceaSMark Shellenbaum { 32110a586ceaSMark Shellenbaum ace_t ace; 32120a586ceaSMark Shellenbaum uint64_t id; 32130a586ceaSMark Shellenbaum int verbose = FALSE; 32140a586ceaSMark Shellenbaum 32150a586ceaSMark Shellenbaum if (!(flags & DCMD_ADDRSPEC)) 32160a586ceaSMark Shellenbaum return (DCMD_USAGE); 32170a586ceaSMark Shellenbaum 32180a586ceaSMark Shellenbaum if (mdb_getopts(argc, argv, 32190a586ceaSMark Shellenbaum 'v', MDB_OPT_SETBITS, TRUE, &verbose, TRUE, NULL) != argc) 32200a586ceaSMark Shellenbaum return (DCMD_USAGE); 32210a586ceaSMark Shellenbaum 32220a586ceaSMark Shellenbaum if (mdb_vread(&ace, sizeof (ace_t), addr) == -1) { 32230a586ceaSMark Shellenbaum mdb_warn("failed to read ace_t"); 32240a586ceaSMark Shellenbaum return (DCMD_ERR); 32250a586ceaSMark Shellenbaum } 32260a586ceaSMark Shellenbaum 32270a586ceaSMark Shellenbaum if ((ace.a_flags & ACE_TYPE_FLAGS) == 0 || 32280a586ceaSMark Shellenbaum (ace.a_flags & ACE_TYPE_FLAGS) == ACE_IDENTIFIER_GROUP) 32290a586ceaSMark Shellenbaum id = ace.a_who; 32300a586ceaSMark Shellenbaum else 32310a586ceaSMark Shellenbaum id = -1; 32320a586ceaSMark Shellenbaum 32330a586ceaSMark Shellenbaum return (zfs_ace_print_common(addr, flags, id, ace.a_access_mask, 32340a586ceaSMark Shellenbaum ace.a_flags, ace.a_type, verbose)); 32350a586ceaSMark Shellenbaum } 32360a586ceaSMark Shellenbaum 32370a586ceaSMark Shellenbaum typedef struct acl_dump_args { 32380a586ceaSMark Shellenbaum int a_argc; 32390a586ceaSMark Shellenbaum const mdb_arg_t *a_argv; 32400a586ceaSMark Shellenbaum uint16_t a_version; 32410a586ceaSMark Shellenbaum int a_flags; 32420a586ceaSMark Shellenbaum } acl_dump_args_t; 32430a586ceaSMark Shellenbaum 32440a586ceaSMark Shellenbaum /* ARGSUSED */ 32450a586ceaSMark Shellenbaum static int 32460a586ceaSMark Shellenbaum acl_aces_cb(uintptr_t addr, const void *unknown, void *arg) 32470a586ceaSMark Shellenbaum { 32480a586ceaSMark Shellenbaum acl_dump_args_t *acl_args = (acl_dump_args_t *)arg; 32490a586ceaSMark Shellenbaum 32500a586ceaSMark Shellenbaum if (acl_args->a_version == 1) { 32510a586ceaSMark Shellenbaum if (mdb_call_dcmd("zfs_ace", addr, 32520a586ceaSMark Shellenbaum DCMD_ADDRSPEC|acl_args->a_flags, acl_args->a_argc, 32530a586ceaSMark Shellenbaum acl_args->a_argv) != DCMD_OK) { 32540a586ceaSMark Shellenbaum return (WALK_ERR); 32550a586ceaSMark Shellenbaum } 32560a586ceaSMark Shellenbaum } else { 32570a586ceaSMark Shellenbaum if (mdb_call_dcmd("zfs_ace0", addr, 32580a586ceaSMark Shellenbaum DCMD_ADDRSPEC|acl_args->a_flags, acl_args->a_argc, 32590a586ceaSMark Shellenbaum acl_args->a_argv) != DCMD_OK) { 32600a586ceaSMark Shellenbaum return (WALK_ERR); 32610a586ceaSMark Shellenbaum } 32620a586ceaSMark Shellenbaum } 32630a586ceaSMark Shellenbaum acl_args->a_flags = DCMD_LOOP; 32640a586ceaSMark Shellenbaum return (WALK_NEXT); 32650a586ceaSMark Shellenbaum } 32660a586ceaSMark Shellenbaum 32670a586ceaSMark Shellenbaum /* ARGSUSED */ 32680a586ceaSMark Shellenbaum static int 32690a586ceaSMark Shellenbaum acl_cb(uintptr_t addr, const void *unknown, void *arg) 32700a586ceaSMark Shellenbaum { 32710a586ceaSMark Shellenbaum acl_dump_args_t *acl_args = (acl_dump_args_t *)arg; 32720a586ceaSMark Shellenbaum 32730a586ceaSMark Shellenbaum if (acl_args->a_version == 1) { 32740a586ceaSMark Shellenbaum if (mdb_pwalk("zfs_acl_node_aces", acl_aces_cb, 32750a586ceaSMark Shellenbaum arg, addr) != 0) { 32760a586ceaSMark Shellenbaum mdb_warn("can't walk ACEs"); 32770a586ceaSMark Shellenbaum return (DCMD_ERR); 32780a586ceaSMark Shellenbaum } 32790a586ceaSMark Shellenbaum } else { 32800a586ceaSMark Shellenbaum if (mdb_pwalk("zfs_acl_node_aces0", acl_aces_cb, 32810a586ceaSMark Shellenbaum arg, addr) != 0) { 32820a586ceaSMark Shellenbaum mdb_warn("can't walk ACEs"); 32830a586ceaSMark Shellenbaum return (DCMD_ERR); 32840a586ceaSMark Shellenbaum } 32850a586ceaSMark Shellenbaum } 32860a586ceaSMark Shellenbaum return (WALK_NEXT); 32870a586ceaSMark Shellenbaum } 32880a586ceaSMark Shellenbaum 32890a586ceaSMark Shellenbaum /* ARGSUSED */ 32900a586ceaSMark Shellenbaum static int 32910a586ceaSMark Shellenbaum zfs_acl_dump(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 32920a586ceaSMark Shellenbaum { 32930a586ceaSMark Shellenbaum zfs_acl_t zacl; 32940a586ceaSMark Shellenbaum int verbose = FALSE; 32950a586ceaSMark Shellenbaum acl_dump_args_t acl_args; 32960a586ceaSMark Shellenbaum 32970a586ceaSMark Shellenbaum if (!(flags & DCMD_ADDRSPEC)) 32980a586ceaSMark Shellenbaum return (DCMD_USAGE); 32990a586ceaSMark Shellenbaum 33000a586ceaSMark Shellenbaum if (mdb_getopts(argc, argv, 33010a586ceaSMark Shellenbaum 'v', MDB_OPT_SETBITS, TRUE, &verbose, TRUE, NULL) != argc) 33020a586ceaSMark Shellenbaum return (DCMD_USAGE); 33030a586ceaSMark Shellenbaum 33040a586ceaSMark Shellenbaum if (mdb_vread(&zacl, sizeof (zfs_acl_t), addr) == -1) { 33050a586ceaSMark Shellenbaum mdb_warn("failed to read zfs_acl_t"); 33060a586ceaSMark Shellenbaum return (DCMD_ERR); 33070a586ceaSMark Shellenbaum } 33080a586ceaSMark Shellenbaum 33090a586ceaSMark Shellenbaum acl_args.a_argc = argc; 33100a586ceaSMark Shellenbaum acl_args.a_argv = argv; 33110a586ceaSMark Shellenbaum acl_args.a_version = zacl.z_version; 33120a586ceaSMark Shellenbaum acl_args.a_flags = DCMD_LOOPFIRST; 33130a586ceaSMark Shellenbaum 33140a586ceaSMark Shellenbaum if (mdb_pwalk("zfs_acl_node", acl_cb, &acl_args, addr) != 0) { 33150a586ceaSMark Shellenbaum mdb_warn("can't walk ACL"); 33160a586ceaSMark Shellenbaum return (DCMD_ERR); 33170a586ceaSMark Shellenbaum } 33180a586ceaSMark Shellenbaum 33190a586ceaSMark Shellenbaum return (DCMD_OK); 33200a586ceaSMark Shellenbaum } 33210a586ceaSMark Shellenbaum 33220a586ceaSMark Shellenbaum /* ARGSUSED */ 33230a586ceaSMark Shellenbaum static int 33240a586ceaSMark Shellenbaum zfs_acl_node_walk_init(mdb_walk_state_t *wsp) 33250a586ceaSMark Shellenbaum { 33260a586ceaSMark Shellenbaum if (wsp->walk_addr == NULL) { 33270a586ceaSMark Shellenbaum mdb_warn("must supply address of zfs_acl_node_t\n"); 33280a586ceaSMark Shellenbaum return (WALK_ERR); 33290a586ceaSMark Shellenbaum } 33300a586ceaSMark Shellenbaum 333128e4da25SMatthew Ahrens wsp->walk_addr += 333228e4da25SMatthew Ahrens mdb_ctf_offsetof_by_name(ZFS_STRUCT "zfs_acl", "z_acl"); 33330a586ceaSMark Shellenbaum 33340a586ceaSMark Shellenbaum if (mdb_layered_walk("list", wsp) == -1) { 33350a586ceaSMark Shellenbaum mdb_warn("failed to walk 'list'\n"); 33360a586ceaSMark Shellenbaum return (WALK_ERR); 33370a586ceaSMark Shellenbaum } 33380a586ceaSMark Shellenbaum 33390a586ceaSMark Shellenbaum return (WALK_NEXT); 33400a586ceaSMark Shellenbaum } 33410a586ceaSMark Shellenbaum 33420a586ceaSMark Shellenbaum static int 33430a586ceaSMark Shellenbaum zfs_acl_node_walk_step(mdb_walk_state_t *wsp) 33440a586ceaSMark Shellenbaum { 33450a586ceaSMark Shellenbaum zfs_acl_node_t aclnode; 33460a586ceaSMark Shellenbaum 33470a586ceaSMark Shellenbaum if (mdb_vread(&aclnode, sizeof (zfs_acl_node_t), 33480a586ceaSMark Shellenbaum wsp->walk_addr) == -1) { 33490a586ceaSMark Shellenbaum mdb_warn("failed to read zfs_acl_node at %p", wsp->walk_addr); 33500a586ceaSMark Shellenbaum return (WALK_ERR); 33510a586ceaSMark Shellenbaum } 33520a586ceaSMark Shellenbaum 33530a586ceaSMark Shellenbaum return (wsp->walk_callback(wsp->walk_addr, &aclnode, wsp->walk_cbdata)); 33540a586ceaSMark Shellenbaum } 33550a586ceaSMark Shellenbaum 33560a586ceaSMark Shellenbaum typedef struct ace_walk_data { 33570a586ceaSMark Shellenbaum int ace_count; 33580a586ceaSMark Shellenbaum int ace_version; 33590a586ceaSMark Shellenbaum } ace_walk_data_t; 33600a586ceaSMark Shellenbaum 33610a586ceaSMark Shellenbaum static int 33620a586ceaSMark Shellenbaum zfs_aces_walk_init_common(mdb_walk_state_t *wsp, int version, 33630a586ceaSMark Shellenbaum int ace_count, uintptr_t ace_data) 33640a586ceaSMark Shellenbaum { 33650a586ceaSMark Shellenbaum ace_walk_data_t *ace_walk_data; 33660a586ceaSMark Shellenbaum 33670a586ceaSMark Shellenbaum if (wsp->walk_addr == NULL) { 33680a586ceaSMark Shellenbaum mdb_warn("must supply address of zfs_acl_node_t\n"); 33690a586ceaSMark Shellenbaum return (WALK_ERR); 33700a586ceaSMark Shellenbaum } 33710a586ceaSMark Shellenbaum 33720a586ceaSMark Shellenbaum ace_walk_data = mdb_alloc(sizeof (ace_walk_data_t), UM_SLEEP | UM_GC); 33730a586ceaSMark Shellenbaum 33740a586ceaSMark Shellenbaum ace_walk_data->ace_count = ace_count; 33750a586ceaSMark Shellenbaum ace_walk_data->ace_version = version; 33760a586ceaSMark Shellenbaum 33770a586ceaSMark Shellenbaum wsp->walk_addr = ace_data; 33780a586ceaSMark Shellenbaum wsp->walk_data = ace_walk_data; 33790a586ceaSMark Shellenbaum 33800a586ceaSMark Shellenbaum return (WALK_NEXT); 33810a586ceaSMark Shellenbaum } 33820a586ceaSMark Shellenbaum 33830a586ceaSMark Shellenbaum static int 33840a586ceaSMark Shellenbaum zfs_acl_node_aces_walk_init_common(mdb_walk_state_t *wsp, int version) 33850a586ceaSMark Shellenbaum { 33860a586ceaSMark Shellenbaum static int gotid; 33870a586ceaSMark Shellenbaum static mdb_ctf_id_t acl_id; 33880a586ceaSMark Shellenbaum int z_ace_count; 33890a586ceaSMark Shellenbaum uintptr_t z_acldata; 33900a586ceaSMark Shellenbaum 33910a586ceaSMark Shellenbaum if (!gotid) { 33920a586ceaSMark Shellenbaum if (mdb_ctf_lookup_by_name("struct zfs_acl_node", 33930a586ceaSMark Shellenbaum &acl_id) == -1) { 33940a586ceaSMark Shellenbaum mdb_warn("couldn't find struct zfs_acl_node"); 33950a586ceaSMark Shellenbaum return (DCMD_ERR); 33960a586ceaSMark Shellenbaum } 33970a586ceaSMark Shellenbaum gotid = TRUE; 33980a586ceaSMark Shellenbaum } 33990a586ceaSMark Shellenbaum 34000a586ceaSMark Shellenbaum if (GETMEMBID(wsp->walk_addr, &acl_id, z_ace_count, z_ace_count)) { 34010a586ceaSMark Shellenbaum return (DCMD_ERR); 34020a586ceaSMark Shellenbaum } 34030a586ceaSMark Shellenbaum if (GETMEMBID(wsp->walk_addr, &acl_id, z_acldata, z_acldata)) { 34040a586ceaSMark Shellenbaum return (DCMD_ERR); 34050a586ceaSMark Shellenbaum } 34060a586ceaSMark Shellenbaum 34070a586ceaSMark Shellenbaum return (zfs_aces_walk_init_common(wsp, version, 34080a586ceaSMark Shellenbaum z_ace_count, z_acldata)); 34090a586ceaSMark Shellenbaum } 34100a586ceaSMark Shellenbaum 34110a586ceaSMark Shellenbaum /* ARGSUSED */ 34120a586ceaSMark Shellenbaum static int 34130a586ceaSMark Shellenbaum zfs_acl_node_aces_walk_init(mdb_walk_state_t *wsp) 34140a586ceaSMark Shellenbaum { 34150a586ceaSMark Shellenbaum return (zfs_acl_node_aces_walk_init_common(wsp, 1)); 34160a586ceaSMark Shellenbaum } 34170a586ceaSMark Shellenbaum 34180a586ceaSMark Shellenbaum /* ARGSUSED */ 34190a586ceaSMark Shellenbaum static int 34200a586ceaSMark Shellenbaum zfs_acl_node_aces0_walk_init(mdb_walk_state_t *wsp) 34210a586ceaSMark Shellenbaum { 34220a586ceaSMark Shellenbaum return (zfs_acl_node_aces_walk_init_common(wsp, 0)); 34230a586ceaSMark Shellenbaum } 34240a586ceaSMark Shellenbaum 34250a586ceaSMark Shellenbaum static int 34260a586ceaSMark Shellenbaum zfs_aces_walk_step(mdb_walk_state_t *wsp) 34270a586ceaSMark Shellenbaum { 34280a586ceaSMark Shellenbaum ace_walk_data_t *ace_data = wsp->walk_data; 34290a586ceaSMark Shellenbaum zfs_ace_t zace; 34300a586ceaSMark Shellenbaum ace_t *acep; 34310a586ceaSMark Shellenbaum int status; 34320a586ceaSMark Shellenbaum int entry_type; 34330a586ceaSMark Shellenbaum int allow_type; 34340a586ceaSMark Shellenbaum uintptr_t ptr; 34350a586ceaSMark Shellenbaum 34360a586ceaSMark Shellenbaum if (ace_data->ace_count == 0) 34370a586ceaSMark Shellenbaum return (WALK_DONE); 34380a586ceaSMark Shellenbaum 34390a586ceaSMark Shellenbaum if (mdb_vread(&zace, sizeof (zfs_ace_t), wsp->walk_addr) == -1) { 34400a586ceaSMark Shellenbaum mdb_warn("failed to read zfs_ace_t at %#lx", 34410a586ceaSMark Shellenbaum wsp->walk_addr); 34420a586ceaSMark Shellenbaum return (WALK_ERR); 34430a586ceaSMark Shellenbaum } 34440a586ceaSMark Shellenbaum 34450a586ceaSMark Shellenbaum switch (ace_data->ace_version) { 34460a586ceaSMark Shellenbaum case 0: 34470a586ceaSMark Shellenbaum acep = (ace_t *)&zace; 34480a586ceaSMark Shellenbaum entry_type = acep->a_flags & ACE_TYPE_FLAGS; 34490a586ceaSMark Shellenbaum allow_type = acep->a_type; 34500a586ceaSMark Shellenbaum break; 34510a586ceaSMark Shellenbaum case 1: 34520a586ceaSMark Shellenbaum entry_type = zace.z_hdr.z_flags & ACE_TYPE_FLAGS; 34530a586ceaSMark Shellenbaum allow_type = zace.z_hdr.z_type; 34540a586ceaSMark Shellenbaum break; 34550a586ceaSMark Shellenbaum default: 34560a586ceaSMark Shellenbaum return (WALK_ERR); 34570a586ceaSMark Shellenbaum } 34580a586ceaSMark Shellenbaum 34590a586ceaSMark Shellenbaum ptr = (uintptr_t)wsp->walk_addr; 34600a586ceaSMark Shellenbaum switch (entry_type) { 34610a586ceaSMark Shellenbaum case ACE_OWNER: 34620a586ceaSMark Shellenbaum case ACE_EVERYONE: 34630a586ceaSMark Shellenbaum case (ACE_IDENTIFIER_GROUP | ACE_GROUP): 34640a586ceaSMark Shellenbaum ptr += ace_data->ace_version == 0 ? 34650a586ceaSMark Shellenbaum sizeof (ace_t) : sizeof (zfs_ace_hdr_t); 34660a586ceaSMark Shellenbaum break; 34670a586ceaSMark Shellenbaum case ACE_IDENTIFIER_GROUP: 34680a586ceaSMark Shellenbaum default: 34690a586ceaSMark Shellenbaum switch (allow_type) { 34700a586ceaSMark Shellenbaum case ACE_ACCESS_ALLOWED_OBJECT_ACE_TYPE: 34710a586ceaSMark Shellenbaum case ACE_ACCESS_DENIED_OBJECT_ACE_TYPE: 34720a586ceaSMark Shellenbaum case ACE_SYSTEM_AUDIT_OBJECT_ACE_TYPE: 34730a586ceaSMark Shellenbaum case ACE_SYSTEM_ALARM_OBJECT_ACE_TYPE: 34740a586ceaSMark Shellenbaum ptr += ace_data->ace_version == 0 ? 34750a586ceaSMark Shellenbaum sizeof (ace_t) : sizeof (zfs_object_ace_t); 34760a586ceaSMark Shellenbaum break; 34770a586ceaSMark Shellenbaum default: 34780a586ceaSMark Shellenbaum ptr += ace_data->ace_version == 0 ? 34790a586ceaSMark Shellenbaum sizeof (ace_t) : sizeof (zfs_ace_t); 34800a586ceaSMark Shellenbaum break; 34810a586ceaSMark Shellenbaum } 34820a586ceaSMark Shellenbaum } 34830a586ceaSMark Shellenbaum 34840a586ceaSMark Shellenbaum ace_data->ace_count--; 34850a586ceaSMark Shellenbaum status = wsp->walk_callback(wsp->walk_addr, 34860a586ceaSMark Shellenbaum (void *)(uintptr_t)&zace, wsp->walk_cbdata); 34870a586ceaSMark Shellenbaum 34880a586ceaSMark Shellenbaum wsp->walk_addr = ptr; 34890a586ceaSMark Shellenbaum return (status); 34900a586ceaSMark Shellenbaum } 34910a586ceaSMark Shellenbaum 349228e4da25SMatthew Ahrens typedef struct mdb_zfs_rrwlock { 3493d5ee8a13SMatthew Ahrens uintptr_t rr_writer; 349428e4da25SMatthew Ahrens boolean_t rr_writer_wanted; 349528e4da25SMatthew Ahrens } mdb_zfs_rrwlock_t; 349628e4da25SMatthew Ahrens 349728e4da25SMatthew Ahrens static uint_t rrw_key; 349828e4da25SMatthew Ahrens 349928e4da25SMatthew Ahrens /* ARGSUSED */ 350028e4da25SMatthew Ahrens static int 350128e4da25SMatthew Ahrens rrwlock(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 350228e4da25SMatthew Ahrens { 350328e4da25SMatthew Ahrens mdb_zfs_rrwlock_t rrw; 350428e4da25SMatthew Ahrens 350528e4da25SMatthew Ahrens if (rrw_key == 0) { 350628e4da25SMatthew Ahrens if (mdb_ctf_readsym(&rrw_key, "uint_t", "rrw_tsd_key", 0) == -1) 350728e4da25SMatthew Ahrens return (DCMD_ERR); 350828e4da25SMatthew Ahrens } 350928e4da25SMatthew Ahrens 351028e4da25SMatthew Ahrens if (mdb_ctf_vread(&rrw, "rrwlock_t", "mdb_zfs_rrwlock_t", addr, 351128e4da25SMatthew Ahrens 0) == -1) 351228e4da25SMatthew Ahrens return (DCMD_ERR); 351328e4da25SMatthew Ahrens 3514d5ee8a13SMatthew Ahrens if (rrw.rr_writer != 0) { 3515d5ee8a13SMatthew Ahrens mdb_printf("write lock held by thread %lx\n", rrw.rr_writer); 351628e4da25SMatthew Ahrens return (DCMD_OK); 351728e4da25SMatthew Ahrens } 351828e4da25SMatthew Ahrens 351928e4da25SMatthew Ahrens if (rrw.rr_writer_wanted) { 352028e4da25SMatthew Ahrens mdb_printf("writer wanted\n"); 352128e4da25SMatthew Ahrens } 352228e4da25SMatthew Ahrens 352328e4da25SMatthew Ahrens mdb_printf("anonymous references:\n"); 352428e4da25SMatthew Ahrens (void) mdb_call_dcmd("refcount", addr + 352528e4da25SMatthew Ahrens mdb_ctf_offsetof_by_name(ZFS_STRUCT "rrwlock", "rr_anon_rcount"), 352628e4da25SMatthew Ahrens DCMD_ADDRSPEC, 0, NULL); 352728e4da25SMatthew Ahrens 352828e4da25SMatthew Ahrens mdb_printf("linked references:\n"); 352928e4da25SMatthew Ahrens (void) mdb_call_dcmd("refcount", addr + 353028e4da25SMatthew Ahrens mdb_ctf_offsetof_by_name(ZFS_STRUCT "rrwlock", "rr_linked_rcount"), 353128e4da25SMatthew Ahrens DCMD_ADDRSPEC, 0, NULL); 353228e4da25SMatthew Ahrens 353328e4da25SMatthew Ahrens /* 353428e4da25SMatthew Ahrens * XXX This should find references from 353528e4da25SMatthew Ahrens * "::walk thread | ::tsd -v <rrw_key>", but there is no support 353628e4da25SMatthew Ahrens * for programmatic consumption of dcmds, so this would be 353728e4da25SMatthew Ahrens * difficult, potentially requiring reimplementing ::tsd (both 353828e4da25SMatthew Ahrens * user and kernel versions) in this MDB module. 353928e4da25SMatthew Ahrens */ 354028e4da25SMatthew Ahrens 354128e4da25SMatthew Ahrens return (DCMD_OK); 354228e4da25SMatthew Ahrens } 354328e4da25SMatthew Ahrens 3544dcbf3bd6SGeorge Wilson typedef struct mdb_arc_buf_hdr_t { 3545dcbf3bd6SGeorge Wilson uint16_t b_psize; 3546dcbf3bd6SGeorge Wilson uint16_t b_lsize; 3547dcbf3bd6SGeorge Wilson struct { 3548dcbf3bd6SGeorge Wilson uint32_t b_bufcnt; 3549dcbf3bd6SGeorge Wilson uintptr_t b_state; 3550dcbf3bd6SGeorge Wilson uintptr_t b_pdata; 3551dcbf3bd6SGeorge Wilson } b_l1hdr; 3552dcbf3bd6SGeorge Wilson } mdb_arc_buf_hdr_t; 3553dcbf3bd6SGeorge Wilson 3554dcbf3bd6SGeorge Wilson enum arc_cflags { 3555dcbf3bd6SGeorge Wilson ARC_CFLAG_VERBOSE = 1 << 0, 3556dcbf3bd6SGeorge Wilson ARC_CFLAG_ANON = 1 << 1, 3557dcbf3bd6SGeorge Wilson ARC_CFLAG_MRU = 1 << 2, 3558dcbf3bd6SGeorge Wilson ARC_CFLAG_MFU = 1 << 3, 3559dcbf3bd6SGeorge Wilson ARC_CFLAG_BUFS = 1 << 4, 3560dcbf3bd6SGeorge Wilson }; 3561dcbf3bd6SGeorge Wilson 3562dcbf3bd6SGeorge Wilson typedef struct arc_compression_stats_data { 3563dcbf3bd6SGeorge Wilson GElf_Sym anon_sym; /* ARC_anon symbol */ 3564dcbf3bd6SGeorge Wilson GElf_Sym mru_sym; /* ARC_mru symbol */ 3565dcbf3bd6SGeorge Wilson GElf_Sym mrug_sym; /* ARC_mru_ghost symbol */ 3566dcbf3bd6SGeorge Wilson GElf_Sym mfu_sym; /* ARC_mfu symbol */ 3567dcbf3bd6SGeorge Wilson GElf_Sym mfug_sym; /* ARC_mfu_ghost symbol */ 3568dcbf3bd6SGeorge Wilson GElf_Sym l2c_sym; /* ARC_l2c_only symbol */ 3569dcbf3bd6SGeorge Wilson uint64_t *anon_c_hist; /* histogram of compressed sizes in anon */ 3570dcbf3bd6SGeorge Wilson uint64_t *anon_u_hist; /* histogram of uncompressed sizes in anon */ 3571dcbf3bd6SGeorge Wilson uint64_t *anon_bufs; /* histogram of buffer counts in anon state */ 3572dcbf3bd6SGeorge Wilson uint64_t *mru_c_hist; /* histogram of compressed sizes in mru */ 3573dcbf3bd6SGeorge Wilson uint64_t *mru_u_hist; /* histogram of uncompressed sizes in mru */ 3574dcbf3bd6SGeorge Wilson uint64_t *mru_bufs; /* histogram of buffer counts in mru */ 3575dcbf3bd6SGeorge Wilson uint64_t *mfu_c_hist; /* histogram of compressed sizes in mfu */ 3576dcbf3bd6SGeorge Wilson uint64_t *mfu_u_hist; /* histogram of uncompressed sizes in mfu */ 3577dcbf3bd6SGeorge Wilson uint64_t *mfu_bufs; /* histogram of buffer counts in mfu */ 3578dcbf3bd6SGeorge Wilson uint64_t *all_c_hist; /* histogram of compressed anon + mru + mfu */ 3579dcbf3bd6SGeorge Wilson uint64_t *all_u_hist; /* histogram of uncompressed anon + mru + mfu */ 3580dcbf3bd6SGeorge Wilson uint64_t *all_bufs; /* histogram of buffer counts in all states */ 3581dcbf3bd6SGeorge Wilson int arc_cflags; /* arc compression flags, specified by user */ 3582dcbf3bd6SGeorge Wilson int hist_nbuckets; /* number of buckets in each histogram */ 3583dcbf3bd6SGeorge Wilson } arc_compression_stats_data_t; 3584dcbf3bd6SGeorge Wilson 3585dcbf3bd6SGeorge Wilson int 3586dcbf3bd6SGeorge Wilson highbit64(uint64_t i) 3587dcbf3bd6SGeorge Wilson { 3588dcbf3bd6SGeorge Wilson int h = 1; 3589dcbf3bd6SGeorge Wilson 3590dcbf3bd6SGeorge Wilson if (i == 0) 3591dcbf3bd6SGeorge Wilson return (0); 3592dcbf3bd6SGeorge Wilson if (i & 0xffffffff00000000ULL) { 3593dcbf3bd6SGeorge Wilson h += 32; i >>= 32; 3594dcbf3bd6SGeorge Wilson } 3595dcbf3bd6SGeorge Wilson if (i & 0xffff0000) { 3596dcbf3bd6SGeorge Wilson h += 16; i >>= 16; 3597dcbf3bd6SGeorge Wilson } 3598dcbf3bd6SGeorge Wilson if (i & 0xff00) { 3599dcbf3bd6SGeorge Wilson h += 8; i >>= 8; 3600dcbf3bd6SGeorge Wilson } 3601dcbf3bd6SGeorge Wilson if (i & 0xf0) { 3602dcbf3bd6SGeorge Wilson h += 4; i >>= 4; 3603dcbf3bd6SGeorge Wilson } 3604dcbf3bd6SGeorge Wilson if (i & 0xc) { 3605dcbf3bd6SGeorge Wilson h += 2; i >>= 2; 3606dcbf3bd6SGeorge Wilson } 3607dcbf3bd6SGeorge Wilson if (i & 0x2) { 3608dcbf3bd6SGeorge Wilson h += 1; 3609dcbf3bd6SGeorge Wilson } 3610dcbf3bd6SGeorge Wilson return (h); 3611dcbf3bd6SGeorge Wilson } 3612dcbf3bd6SGeorge Wilson 3613dcbf3bd6SGeorge Wilson /* ARGSUSED */ 3614dcbf3bd6SGeorge Wilson static int 3615dcbf3bd6SGeorge Wilson arc_compression_stats_cb(uintptr_t addr, const void *unknown, void *arg) 3616dcbf3bd6SGeorge Wilson { 3617dcbf3bd6SGeorge Wilson arc_compression_stats_data_t *data = arg; 3618dcbf3bd6SGeorge Wilson mdb_arc_buf_hdr_t hdr; 3619dcbf3bd6SGeorge Wilson int cbucket, ubucket, bufcnt; 3620dcbf3bd6SGeorge Wilson 3621dcbf3bd6SGeorge Wilson if (mdb_ctf_vread(&hdr, "arc_buf_hdr_t", "mdb_arc_buf_hdr_t", 3622dcbf3bd6SGeorge Wilson addr, 0) == -1) { 3623dcbf3bd6SGeorge Wilson return (WALK_ERR); 3624dcbf3bd6SGeorge Wilson } 3625dcbf3bd6SGeorge Wilson 3626dcbf3bd6SGeorge Wilson /* 3627dcbf3bd6SGeorge Wilson * Headers in the ghost states, or the l2c_only state don't have 3628dcbf3bd6SGeorge Wilson * arc buffers linked off of them. Thus, their compressed size 3629dcbf3bd6SGeorge Wilson * is meaningless, so we skip these from the stats. 3630dcbf3bd6SGeorge Wilson */ 3631dcbf3bd6SGeorge Wilson if (hdr.b_l1hdr.b_state == data->mrug_sym.st_value || 3632dcbf3bd6SGeorge Wilson hdr.b_l1hdr.b_state == data->mfug_sym.st_value || 3633dcbf3bd6SGeorge Wilson hdr.b_l1hdr.b_state == data->l2c_sym.st_value) { 3634dcbf3bd6SGeorge Wilson return (WALK_NEXT); 3635dcbf3bd6SGeorge Wilson } 3636dcbf3bd6SGeorge Wilson 3637dcbf3bd6SGeorge Wilson /* 3638dcbf3bd6SGeorge Wilson * The physical size (compressed) and logical size 3639dcbf3bd6SGeorge Wilson * (uncompressed) are in units of SPA_MINBLOCKSIZE. By default, 3640dcbf3bd6SGeorge Wilson * we use the log2 of this value (rounded down to the nearest 3641dcbf3bd6SGeorge Wilson * integer) to determine the bucket to assign this header to. 3642dcbf3bd6SGeorge Wilson * Thus, the histogram is logarithmic with respect to the size 3643dcbf3bd6SGeorge Wilson * of the header. For example, the following is a mapping of the 3644dcbf3bd6SGeorge Wilson * bucket numbers and the range of header sizes they correspond to: 3645dcbf3bd6SGeorge Wilson * 3646dcbf3bd6SGeorge Wilson * 0: 0 byte headers 3647dcbf3bd6SGeorge Wilson * 1: 512 byte headers 3648dcbf3bd6SGeorge Wilson * 2: [1024 - 2048) byte headers 3649dcbf3bd6SGeorge Wilson * 3: [2048 - 4096) byte headers 3650dcbf3bd6SGeorge Wilson * 4: [4096 - 8192) byte headers 3651dcbf3bd6SGeorge Wilson * 5: [8192 - 16394) byte headers 3652dcbf3bd6SGeorge Wilson * 6: [16384 - 32768) byte headers 3653dcbf3bd6SGeorge Wilson * 7: [32768 - 65536) byte headers 3654dcbf3bd6SGeorge Wilson * 8: [65536 - 131072) byte headers 3655dcbf3bd6SGeorge Wilson * 9: 131072 byte headers 3656dcbf3bd6SGeorge Wilson * 3657dcbf3bd6SGeorge Wilson * If the ARC_CFLAG_VERBOSE flag was specified, we use the 3658dcbf3bd6SGeorge Wilson * physical and logical sizes directly. Thus, the histogram will 3659dcbf3bd6SGeorge Wilson * no longer be logarithmic; instead it will be linear with 3660dcbf3bd6SGeorge Wilson * respect to the size of the header. The following is a mapping 3661dcbf3bd6SGeorge Wilson * of the first many bucket numbers and the header size they 3662dcbf3bd6SGeorge Wilson * correspond to: 3663dcbf3bd6SGeorge Wilson * 3664dcbf3bd6SGeorge Wilson * 0: 0 byte headers 3665dcbf3bd6SGeorge Wilson * 1: 512 byte headers 3666dcbf3bd6SGeorge Wilson * 2: 1024 byte headers 3667dcbf3bd6SGeorge Wilson * 3: 1536 byte headers 3668dcbf3bd6SGeorge Wilson * 4: 2048 byte headers 3669dcbf3bd6SGeorge Wilson * 5: 2560 byte headers 3670dcbf3bd6SGeorge Wilson * 6: 3072 byte headers 3671dcbf3bd6SGeorge Wilson * 3672dcbf3bd6SGeorge Wilson * And so on. Keep in mind that a range of sizes isn't used in 3673dcbf3bd6SGeorge Wilson * the case of linear scale because the headers can only 3674dcbf3bd6SGeorge Wilson * increment or decrement in sizes of 512 bytes. So, it's not 3675dcbf3bd6SGeorge Wilson * possible for a header to be sized in between whats listed 3676dcbf3bd6SGeorge Wilson * above. 3677dcbf3bd6SGeorge Wilson * 3678dcbf3bd6SGeorge Wilson * Also, the above mapping values were calculated assuming a 3679dcbf3bd6SGeorge Wilson * SPA_MINBLOCKSHIFT of 512 bytes and a SPA_MAXBLOCKSIZE of 128K. 3680dcbf3bd6SGeorge Wilson */ 3681dcbf3bd6SGeorge Wilson 3682dcbf3bd6SGeorge Wilson if (data->arc_cflags & ARC_CFLAG_VERBOSE) { 3683dcbf3bd6SGeorge Wilson cbucket = hdr.b_psize; 3684dcbf3bd6SGeorge Wilson ubucket = hdr.b_lsize; 3685dcbf3bd6SGeorge Wilson } else { 3686dcbf3bd6SGeorge Wilson cbucket = highbit64(hdr.b_psize); 3687dcbf3bd6SGeorge Wilson ubucket = highbit64(hdr.b_lsize); 3688dcbf3bd6SGeorge Wilson } 3689dcbf3bd6SGeorge Wilson 3690dcbf3bd6SGeorge Wilson bufcnt = hdr.b_l1hdr.b_bufcnt; 3691dcbf3bd6SGeorge Wilson if (bufcnt >= data->hist_nbuckets) 3692dcbf3bd6SGeorge Wilson bufcnt = data->hist_nbuckets - 1; 3693dcbf3bd6SGeorge Wilson 3694dcbf3bd6SGeorge Wilson /* Ensure we stay within the bounds of the histogram array */ 3695dcbf3bd6SGeorge Wilson ASSERT3U(cbucket, <, data->hist_nbuckets); 3696dcbf3bd6SGeorge Wilson ASSERT3U(ubucket, <, data->hist_nbuckets); 3697dcbf3bd6SGeorge Wilson 3698dcbf3bd6SGeorge Wilson if (hdr.b_l1hdr.b_state == data->anon_sym.st_value) { 3699dcbf3bd6SGeorge Wilson data->anon_c_hist[cbucket]++; 3700dcbf3bd6SGeorge Wilson data->anon_u_hist[ubucket]++; 3701dcbf3bd6SGeorge Wilson data->anon_bufs[bufcnt]++; 3702dcbf3bd6SGeorge Wilson } else if (hdr.b_l1hdr.b_state == data->mru_sym.st_value) { 3703dcbf3bd6SGeorge Wilson data->mru_c_hist[cbucket]++; 3704dcbf3bd6SGeorge Wilson data->mru_u_hist[ubucket]++; 3705dcbf3bd6SGeorge Wilson data->mru_bufs[bufcnt]++; 3706dcbf3bd6SGeorge Wilson } else if (hdr.b_l1hdr.b_state == data->mfu_sym.st_value) { 3707dcbf3bd6SGeorge Wilson data->mfu_c_hist[cbucket]++; 3708dcbf3bd6SGeorge Wilson data->mfu_u_hist[ubucket]++; 3709dcbf3bd6SGeorge Wilson data->mfu_bufs[bufcnt]++; 3710dcbf3bd6SGeorge Wilson } 3711dcbf3bd6SGeorge Wilson 3712dcbf3bd6SGeorge Wilson data->all_c_hist[cbucket]++; 3713dcbf3bd6SGeorge Wilson data->all_u_hist[ubucket]++; 3714dcbf3bd6SGeorge Wilson data->all_bufs[bufcnt]++; 3715dcbf3bd6SGeorge Wilson 3716dcbf3bd6SGeorge Wilson return (WALK_NEXT); 3717dcbf3bd6SGeorge Wilson } 3718dcbf3bd6SGeorge Wilson 3719dcbf3bd6SGeorge Wilson /* ARGSUSED */ 3720dcbf3bd6SGeorge Wilson static int 3721dcbf3bd6SGeorge Wilson arc_compression_stats(uintptr_t addr, uint_t flags, int argc, 3722dcbf3bd6SGeorge Wilson const mdb_arg_t *argv) 3723dcbf3bd6SGeorge Wilson { 3724dcbf3bd6SGeorge Wilson arc_compression_stats_data_t data = { 0 }; 3725dcbf3bd6SGeorge Wilson unsigned int max_shifted = SPA_MAXBLOCKSIZE >> SPA_MINBLOCKSHIFT; 3726dcbf3bd6SGeorge Wilson unsigned int hist_size; 3727dcbf3bd6SGeorge Wilson char range[32]; 3728dcbf3bd6SGeorge Wilson int rc = DCMD_OK; 3729dcbf3bd6SGeorge Wilson 3730dcbf3bd6SGeorge Wilson if (mdb_getopts(argc, argv, 3731dcbf3bd6SGeorge Wilson 'v', MDB_OPT_SETBITS, ARC_CFLAG_VERBOSE, &data.arc_cflags, 3732dcbf3bd6SGeorge Wilson 'a', MDB_OPT_SETBITS, ARC_CFLAG_ANON, &data.arc_cflags, 3733dcbf3bd6SGeorge Wilson 'b', MDB_OPT_SETBITS, ARC_CFLAG_BUFS, &data.arc_cflags, 3734dcbf3bd6SGeorge Wilson 'r', MDB_OPT_SETBITS, ARC_CFLAG_MRU, &data.arc_cflags, 3735dcbf3bd6SGeorge Wilson 'f', MDB_OPT_SETBITS, ARC_CFLAG_MFU, &data.arc_cflags) != argc) 3736dcbf3bd6SGeorge Wilson return (DCMD_USAGE); 3737dcbf3bd6SGeorge Wilson 3738dcbf3bd6SGeorge Wilson if (mdb_lookup_by_obj(ZFS_OBJ_NAME, "ARC_anon", &data.anon_sym) || 3739dcbf3bd6SGeorge Wilson mdb_lookup_by_obj(ZFS_OBJ_NAME, "ARC_mru", &data.mru_sym) || 3740dcbf3bd6SGeorge Wilson mdb_lookup_by_obj(ZFS_OBJ_NAME, "ARC_mru_ghost", &data.mrug_sym) || 3741dcbf3bd6SGeorge Wilson mdb_lookup_by_obj(ZFS_OBJ_NAME, "ARC_mfu", &data.mfu_sym) || 3742dcbf3bd6SGeorge Wilson mdb_lookup_by_obj(ZFS_OBJ_NAME, "ARC_mfu_ghost", &data.mfug_sym) || 3743dcbf3bd6SGeorge Wilson mdb_lookup_by_obj(ZFS_OBJ_NAME, "ARC_l2c_only", &data.l2c_sym)) { 3744dcbf3bd6SGeorge Wilson mdb_warn("can't find arc state symbol"); 3745dcbf3bd6SGeorge Wilson return (DCMD_ERR); 3746dcbf3bd6SGeorge Wilson } 3747dcbf3bd6SGeorge Wilson 3748dcbf3bd6SGeorge Wilson /* 3749dcbf3bd6SGeorge Wilson * Determine the maximum expected size for any header, and use 3750dcbf3bd6SGeorge Wilson * this to determine the number of buckets needed for each 3751dcbf3bd6SGeorge Wilson * histogram. If ARC_CFLAG_VERBOSE is specified, this value is 3752dcbf3bd6SGeorge Wilson * used directly; otherwise the log2 of the maximum size is 3753dcbf3bd6SGeorge Wilson * used. Thus, if using a log2 scale there's a maximum of 10 3754dcbf3bd6SGeorge Wilson * possible buckets, while the linear scale (when using 3755dcbf3bd6SGeorge Wilson * ARC_CFLAG_VERBOSE) has a maximum of 257 buckets. 3756dcbf3bd6SGeorge Wilson */ 3757dcbf3bd6SGeorge Wilson if (data.arc_cflags & ARC_CFLAG_VERBOSE) 3758dcbf3bd6SGeorge Wilson data.hist_nbuckets = max_shifted + 1; 3759dcbf3bd6SGeorge Wilson else 3760dcbf3bd6SGeorge Wilson data.hist_nbuckets = highbit64(max_shifted) + 1; 3761dcbf3bd6SGeorge Wilson 3762dcbf3bd6SGeorge Wilson hist_size = sizeof (uint64_t) * data.hist_nbuckets; 3763dcbf3bd6SGeorge Wilson 3764dcbf3bd6SGeorge Wilson data.anon_c_hist = mdb_zalloc(hist_size, UM_SLEEP); 3765dcbf3bd6SGeorge Wilson data.anon_u_hist = mdb_zalloc(hist_size, UM_SLEEP); 3766dcbf3bd6SGeorge Wilson data.anon_bufs = mdb_zalloc(hist_size, UM_SLEEP); 3767dcbf3bd6SGeorge Wilson 3768dcbf3bd6SGeorge Wilson data.mru_c_hist = mdb_zalloc(hist_size, UM_SLEEP); 3769dcbf3bd6SGeorge Wilson data.mru_u_hist = mdb_zalloc(hist_size, UM_SLEEP); 3770dcbf3bd6SGeorge Wilson data.mru_bufs = mdb_zalloc(hist_size, UM_SLEEP); 3771dcbf3bd6SGeorge Wilson 3772dcbf3bd6SGeorge Wilson data.mfu_c_hist = mdb_zalloc(hist_size, UM_SLEEP); 3773dcbf3bd6SGeorge Wilson data.mfu_u_hist = mdb_zalloc(hist_size, UM_SLEEP); 3774dcbf3bd6SGeorge Wilson data.mfu_bufs = mdb_zalloc(hist_size, UM_SLEEP); 3775dcbf3bd6SGeorge Wilson 3776dcbf3bd6SGeorge Wilson data.all_c_hist = mdb_zalloc(hist_size, UM_SLEEP); 3777dcbf3bd6SGeorge Wilson data.all_u_hist = mdb_zalloc(hist_size, UM_SLEEP); 3778dcbf3bd6SGeorge Wilson data.all_bufs = mdb_zalloc(hist_size, UM_SLEEP); 3779dcbf3bd6SGeorge Wilson 3780dcbf3bd6SGeorge Wilson if (mdb_walk("arc_buf_hdr_t_full", arc_compression_stats_cb, 3781dcbf3bd6SGeorge Wilson &data) != 0) { 3782dcbf3bd6SGeorge Wilson mdb_warn("can't walk arc_buf_hdr's"); 3783dcbf3bd6SGeorge Wilson rc = DCMD_ERR; 3784dcbf3bd6SGeorge Wilson goto out; 3785dcbf3bd6SGeorge Wilson } 3786dcbf3bd6SGeorge Wilson 3787dcbf3bd6SGeorge Wilson if (data.arc_cflags & ARC_CFLAG_VERBOSE) { 3788dcbf3bd6SGeorge Wilson rc = mdb_snprintf(range, sizeof (range), 3789dcbf3bd6SGeorge Wilson "[n*%llu, (n+1)*%llu)", SPA_MINBLOCKSIZE, 3790dcbf3bd6SGeorge Wilson SPA_MINBLOCKSIZE); 3791dcbf3bd6SGeorge Wilson } else { 3792dcbf3bd6SGeorge Wilson rc = mdb_snprintf(range, sizeof (range), 3793dcbf3bd6SGeorge Wilson "[2^(n-1)*%llu, 2^n*%llu)", SPA_MINBLOCKSIZE, 3794dcbf3bd6SGeorge Wilson SPA_MINBLOCKSIZE); 3795dcbf3bd6SGeorge Wilson } 3796dcbf3bd6SGeorge Wilson 3797dcbf3bd6SGeorge Wilson if (rc < 0) { 3798dcbf3bd6SGeorge Wilson /* snprintf failed, abort the dcmd */ 3799dcbf3bd6SGeorge Wilson rc = DCMD_ERR; 3800dcbf3bd6SGeorge Wilson goto out; 3801dcbf3bd6SGeorge Wilson } else { 3802dcbf3bd6SGeorge Wilson /* snprintf succeeded above, reset return code */ 3803dcbf3bd6SGeorge Wilson rc = DCMD_OK; 3804dcbf3bd6SGeorge Wilson } 3805dcbf3bd6SGeorge Wilson 3806dcbf3bd6SGeorge Wilson if (data.arc_cflags & ARC_CFLAG_ANON) { 3807dcbf3bd6SGeorge Wilson if (data.arc_cflags & ARC_CFLAG_BUFS) { 3808dcbf3bd6SGeorge Wilson mdb_printf("Histogram of the number of anon buffers " 3809dcbf3bd6SGeorge Wilson "that are associated with an arc hdr.\n"); 3810dcbf3bd6SGeorge Wilson dump_histogram(data.anon_bufs, data.hist_nbuckets, 0); 3811dcbf3bd6SGeorge Wilson mdb_printf("\n"); 3812dcbf3bd6SGeorge Wilson } 3813dcbf3bd6SGeorge Wilson mdb_printf("Histogram of compressed anon buffers.\n" 3814dcbf3bd6SGeorge Wilson "Each bucket represents buffers of size: %s.\n", range); 3815dcbf3bd6SGeorge Wilson dump_histogram(data.anon_c_hist, data.hist_nbuckets, 0); 3816dcbf3bd6SGeorge Wilson mdb_printf("\n"); 3817dcbf3bd6SGeorge Wilson 3818dcbf3bd6SGeorge Wilson mdb_printf("Histogram of uncompressed anon buffers.\n" 3819dcbf3bd6SGeorge Wilson "Each bucket represents buffers of size: %s.\n", range); 3820dcbf3bd6SGeorge Wilson dump_histogram(data.anon_u_hist, data.hist_nbuckets, 0); 3821dcbf3bd6SGeorge Wilson mdb_printf("\n"); 3822dcbf3bd6SGeorge Wilson } 3823dcbf3bd6SGeorge Wilson 3824dcbf3bd6SGeorge Wilson if (data.arc_cflags & ARC_CFLAG_MRU) { 3825dcbf3bd6SGeorge Wilson if (data.arc_cflags & ARC_CFLAG_BUFS) { 3826dcbf3bd6SGeorge Wilson mdb_printf("Histogram of the number of mru buffers " 3827dcbf3bd6SGeorge Wilson "that are associated with an arc hdr.\n"); 3828dcbf3bd6SGeorge Wilson dump_histogram(data.mru_bufs, data.hist_nbuckets, 0); 3829dcbf3bd6SGeorge Wilson mdb_printf("\n"); 3830dcbf3bd6SGeorge Wilson } 3831dcbf3bd6SGeorge Wilson mdb_printf("Histogram of compressed mru buffers.\n" 3832dcbf3bd6SGeorge Wilson "Each bucket represents buffers of size: %s.\n", range); 3833dcbf3bd6SGeorge Wilson dump_histogram(data.mru_c_hist, data.hist_nbuckets, 0); 3834dcbf3bd6SGeorge Wilson mdb_printf("\n"); 3835dcbf3bd6SGeorge Wilson 3836dcbf3bd6SGeorge Wilson mdb_printf("Histogram of uncompressed mru buffers.\n" 3837dcbf3bd6SGeorge Wilson "Each bucket represents buffers of size: %s.\n", range); 3838dcbf3bd6SGeorge Wilson dump_histogram(data.mru_u_hist, data.hist_nbuckets, 0); 3839dcbf3bd6SGeorge Wilson mdb_printf("\n"); 3840dcbf3bd6SGeorge Wilson } 3841dcbf3bd6SGeorge Wilson 3842dcbf3bd6SGeorge Wilson if (data.arc_cflags & ARC_CFLAG_MFU) { 3843dcbf3bd6SGeorge Wilson if (data.arc_cflags & ARC_CFLAG_BUFS) { 3844dcbf3bd6SGeorge Wilson mdb_printf("Histogram of the number of mfu buffers " 3845dcbf3bd6SGeorge Wilson "that are associated with an arc hdr.\n"); 3846dcbf3bd6SGeorge Wilson dump_histogram(data.mfu_bufs, data.hist_nbuckets, 0); 3847dcbf3bd6SGeorge Wilson mdb_printf("\n"); 3848dcbf3bd6SGeorge Wilson } 3849dcbf3bd6SGeorge Wilson 3850dcbf3bd6SGeorge Wilson mdb_printf("Histogram of compressed mfu buffers.\n" 3851dcbf3bd6SGeorge Wilson "Each bucket represents buffers of size: %s.\n", range); 3852dcbf3bd6SGeorge Wilson dump_histogram(data.mfu_c_hist, data.hist_nbuckets, 0); 3853dcbf3bd6SGeorge Wilson mdb_printf("\n"); 3854dcbf3bd6SGeorge Wilson 3855dcbf3bd6SGeorge Wilson mdb_printf("Histogram of uncompressed mfu buffers.\n" 3856dcbf3bd6SGeorge Wilson "Each bucket represents buffers of size: %s.\n", range); 3857dcbf3bd6SGeorge Wilson dump_histogram(data.mfu_u_hist, data.hist_nbuckets, 0); 3858dcbf3bd6SGeorge Wilson mdb_printf("\n"); 3859dcbf3bd6SGeorge Wilson } 3860dcbf3bd6SGeorge Wilson 3861dcbf3bd6SGeorge Wilson if (data.arc_cflags & ARC_CFLAG_BUFS) { 3862dcbf3bd6SGeorge Wilson mdb_printf("Histogram of all buffers that " 3863dcbf3bd6SGeorge Wilson "are associated with an arc hdr.\n"); 3864dcbf3bd6SGeorge Wilson dump_histogram(data.all_bufs, data.hist_nbuckets, 0); 3865dcbf3bd6SGeorge Wilson mdb_printf("\n"); 3866dcbf3bd6SGeorge Wilson } 3867dcbf3bd6SGeorge Wilson 3868dcbf3bd6SGeorge Wilson mdb_printf("Histogram of all compressed buffers.\n" 3869dcbf3bd6SGeorge Wilson "Each bucket represents buffers of size: %s.\n", range); 3870dcbf3bd6SGeorge Wilson dump_histogram(data.all_c_hist, data.hist_nbuckets, 0); 3871dcbf3bd6SGeorge Wilson mdb_printf("\n"); 3872dcbf3bd6SGeorge Wilson 3873dcbf3bd6SGeorge Wilson mdb_printf("Histogram of all uncompressed buffers.\n" 3874dcbf3bd6SGeorge Wilson "Each bucket represents buffers of size: %s.\n", range); 3875dcbf3bd6SGeorge Wilson dump_histogram(data.all_u_hist, data.hist_nbuckets, 0); 3876dcbf3bd6SGeorge Wilson 3877dcbf3bd6SGeorge Wilson out: 3878dcbf3bd6SGeorge Wilson mdb_free(data.anon_c_hist, hist_size); 3879dcbf3bd6SGeorge Wilson mdb_free(data.anon_u_hist, hist_size); 3880dcbf3bd6SGeorge Wilson mdb_free(data.anon_bufs, hist_size); 3881dcbf3bd6SGeorge Wilson 3882dcbf3bd6SGeorge Wilson mdb_free(data.mru_c_hist, hist_size); 3883dcbf3bd6SGeorge Wilson mdb_free(data.mru_u_hist, hist_size); 3884dcbf3bd6SGeorge Wilson mdb_free(data.mru_bufs, hist_size); 3885dcbf3bd6SGeorge Wilson 3886dcbf3bd6SGeorge Wilson mdb_free(data.mfu_c_hist, hist_size); 3887dcbf3bd6SGeorge Wilson mdb_free(data.mfu_u_hist, hist_size); 3888dcbf3bd6SGeorge Wilson mdb_free(data.mfu_bufs, hist_size); 3889dcbf3bd6SGeorge Wilson 3890dcbf3bd6SGeorge Wilson mdb_free(data.all_c_hist, hist_size); 3891dcbf3bd6SGeorge Wilson mdb_free(data.all_u_hist, hist_size); 3892dcbf3bd6SGeorge Wilson mdb_free(data.all_bufs, hist_size); 3893dcbf3bd6SGeorge Wilson 3894dcbf3bd6SGeorge Wilson return (rc); 3895dcbf3bd6SGeorge Wilson } 3896dcbf3bd6SGeorge Wilson 3897fa9e4066Sahrens /* 3898fa9e4066Sahrens * MDB module linkage information: 3899fa9e4066Sahrens * 3900fa9e4066Sahrens * We declare a list of structures describing our dcmds, and a function 3901fa9e4066Sahrens * named _mdb_init to return a pointer to our module information. 3902fa9e4066Sahrens */ 3903fa9e4066Sahrens 3904fa9e4066Sahrens static const mdb_dcmd_t dcmds[] = { 390591ebeef5Sahrens { "arc", "[-bkmg]", "print ARC variables", arc_print }, 3906fa9e4066Sahrens { "blkptr", ":", "print blkptr_t", blkptr }, 3907fa9e4066Sahrens { "dbuf", ":", "print dmu_buf_impl_t", dbuf }, 3908fa9e4066Sahrens { "dbuf_stats", ":", "dbuf stats", dbuf_stats }, 3909fa9e4066Sahrens { "dbufs", 39104223fc7cSMark Shellenbaum "\t[-O objset_t*] [-n objset_name | \"mos\"] " 3911a3f829aeSBill Moore "[-o object | \"mdn\"] \n" 3912a3f829aeSBill Moore "\t[-l level] [-b blkid | \"bonus\"]", 3913a3f829aeSBill Moore "find dmu_buf_impl_t's that match specified criteria", dbufs }, 3914fa9e4066Sahrens { "abuf_find", "dva_word[0] dva_word[1]", 3915a3f829aeSBill Moore "find arc_buf_hdr_t of a specified DVA", 3916a3f829aeSBill Moore abuf_find }, 39172e4c9986SGeorge Wilson { "spa", "?[-cevmMh]\n" 39182e4c9986SGeorge Wilson "\t-c display spa config\n" 39192e4c9986SGeorge Wilson "\t-e display vdev statistics\n" 39202e4c9986SGeorge Wilson "\t-v display vdev information\n" 39212e4c9986SGeorge Wilson "\t-m display metaslab statistics\n" 39222e4c9986SGeorge Wilson "\t-M display metaslab group statistics\n" 39232e4c9986SGeorge Wilson "\t-h display histogram (requires -m or -M)\n", 39242e4c9986SGeorge Wilson "spa_t summary", spa_print }, 3925fa9e4066Sahrens { "spa_config", ":", "print spa_t configuration", spa_print_config }, 3926fa9e4066Sahrens { "spa_space", ":[-b]", "print spa_t on-disk space usage", spa_space }, 39272e4c9986SGeorge Wilson { "spa_vdevs", ":[-emMh]\n" 39282e4c9986SGeorge Wilson "\t-e display vdev statistics\n" 39292e4c9986SGeorge Wilson "\t-m dispaly metaslab statistics\n" 39302e4c9986SGeorge Wilson "\t-M display metaslab group statistic\n" 39312e4c9986SGeorge Wilson "\t-h display histogram (requires -m or -M)\n", 39322e4c9986SGeorge Wilson "given a spa_t, print vdev summary", spa_vdevs }, 393391e2a09fSSteve Gonczi { "vdev", ":[-remMh]\n" 3934a3f829aeSBill Moore "\t-r display recursively\n" 39352e4c9986SGeorge Wilson "\t-e display statistics\n" 393691e2a09fSSteve Gonczi "\t-m display metaslab statistics (top level vdev only)\n" 393791e2a09fSSteve Gonczi "\t-M display metaslab group statistics (top level vdev only)\n" 39382e4c9986SGeorge Wilson "\t-h display histogram (requires -m or -M)\n", 3939a3f829aeSBill Moore "vdev_t summary", vdev_print }, 39402e4c9986SGeorge Wilson { "zio", ":[-cpr]\n" 3941a3f829aeSBill Moore "\t-c display children\n" 3942a3f829aeSBill Moore "\t-p display parents\n" 3943a3f829aeSBill Moore "\t-r display recursively", 3944a3f829aeSBill Moore "zio_t summary", zio_print }, 3945ccae0b50Seschrock { "zio_state", "?", "print out all zio_t structures on system or " 3946ccae0b50Seschrock "for a particular pool", zio_state }, 394788b7b0f2SMatthew Ahrens { "zfs_blkstats", ":[-v]", 394888b7b0f2SMatthew Ahrens "given a spa_t, print block type stats from last scrub", 394988b7b0f2SMatthew Ahrens zfs_blkstats }, 3950614409b5Sahrens { "zfs_params", "", "print zfs tunable parameters", zfs_params }, 395128e4da25SMatthew Ahrens { "refcount", ":[-r]\n" 395228e4da25SMatthew Ahrens "\t-r display recently removed references", 395328e4da25SMatthew Ahrens "print refcount_t holders", refcount }, 39543f1f8012SMatthew Ahrens { "zap_leaf", "", "print zap_leaf_phys_t", zap_leaf }, 39550a586ceaSMark Shellenbaum { "zfs_aces", ":[-v]", "print all ACEs from a zfs_acl_t", 39560a586ceaSMark Shellenbaum zfs_acl_dump }, 39570a586ceaSMark Shellenbaum { "zfs_ace", ":[-v]", "print zfs_ace", zfs_ace_print }, 39580a586ceaSMark Shellenbaum { "zfs_ace0", ":[-v]", "print zfs_ace0", zfs_ace0_print }, 39590a586ceaSMark Shellenbaum { "sa_attr_table", ":", "print SA attribute table from sa_os_t", 39600a586ceaSMark Shellenbaum sa_attr_table}, 39610a586ceaSMark Shellenbaum { "sa_attr", ": attr_id", 39620a586ceaSMark Shellenbaum "print SA attribute address when given sa_handle_t", sa_attr_print}, 396328e4da25SMatthew Ahrens { "zfs_dbgmsg", ":[-va]", 39643f9d6ad7SLin Ling "print zfs debug log", dbgmsg}, 396528e4da25SMatthew Ahrens { "rrwlock", ":", 396628e4da25SMatthew Ahrens "print rrwlock_t, including readers", rrwlock}, 3967*8363e80aSGeorge Wilson { "metaslab_weight", "weight", 3968*8363e80aSGeorge Wilson "print metaslab weight", metaslab_weight}, 3969*8363e80aSGeorge Wilson { "metaslab_trace", ":", 3970*8363e80aSGeorge Wilson "print metaslab allocation trace records", metaslab_trace}, 3971dcbf3bd6SGeorge Wilson { "arc_compression_stats", ":[-vabrf]\n" 3972dcbf3bd6SGeorge Wilson "\t-v verbose, display a linearly scaled histogram\n" 3973dcbf3bd6SGeorge Wilson "\t-a display ARC_anon state statistics individually\n" 3974dcbf3bd6SGeorge Wilson "\t-r display ARC_mru state statistics individually\n" 3975dcbf3bd6SGeorge Wilson "\t-f display ARC_mfu state statistics individually\n" 3976dcbf3bd6SGeorge Wilson "\t-b display histogram of buffer counts\n", 3977dcbf3bd6SGeorge Wilson "print a histogram of compressed arc buffer sizes", 3978dcbf3bd6SGeorge Wilson arc_compression_stats}, 3979fa9e4066Sahrens { NULL } 3980fa9e4066Sahrens }; 3981fa9e4066Sahrens 3982fa9e4066Sahrens static const mdb_walker_t walkers[] = { 3983fa9e4066Sahrens { "zms_freelist", "walk ZFS metaslab freelist", 398428e4da25SMatthew Ahrens freelist_walk_init, freelist_walk_step, NULL }, 3985fa9e4066Sahrens { "txg_list", "given any txg_list_t *, walk all entries in all txgs", 398628e4da25SMatthew Ahrens txg_list_walk_init, txg_list_walk_step, NULL }, 3987fa9e4066Sahrens { "txg_list0", "given any txg_list_t *, walk all entries in txg 0", 398828e4da25SMatthew Ahrens txg_list0_walk_init, txg_list_walk_step, NULL }, 3989fa9e4066Sahrens { "txg_list1", "given any txg_list_t *, walk all entries in txg 1", 399028e4da25SMatthew Ahrens txg_list1_walk_init, txg_list_walk_step, NULL }, 3991fa9e4066Sahrens { "txg_list2", "given any txg_list_t *, walk all entries in txg 2", 399228e4da25SMatthew Ahrens txg_list2_walk_init, txg_list_walk_step, NULL }, 3993fa9e4066Sahrens { "txg_list3", "given any txg_list_t *, walk all entries in txg 3", 399428e4da25SMatthew Ahrens txg_list3_walk_init, txg_list_walk_step, NULL }, 3995ccae0b50Seschrock { "zio", "walk all zio structures, optionally for a particular spa_t", 399628e4da25SMatthew Ahrens zio_walk_init, zio_walk_step, NULL }, 399728e4da25SMatthew Ahrens { "zio_root", 399828e4da25SMatthew Ahrens "walk all root zio_t structures, optionally for a particular spa_t", 399928e4da25SMatthew Ahrens zio_walk_init, zio_walk_root_step, NULL }, 4000fa9e4066Sahrens { "spa", "walk all spa_t entries in the namespace", 400128e4da25SMatthew Ahrens spa_walk_init, spa_walk_step, NULL }, 40025f5f7a6fSahrens { "metaslab", "given a spa_t *, walk all metaslab_t structures", 400328e4da25SMatthew Ahrens metaslab_walk_init, metaslab_walk_step, NULL }, 4004dcbf3bd6SGeorge Wilson { "multilist", "given a multilist_t *, walk all list_t structures", 4005dcbf3bd6SGeorge Wilson multilist_walk_init, multilist_walk_step, NULL }, 40060a586ceaSMark Shellenbaum { "zfs_acl_node", "given a zfs_acl_t, walk all zfs_acl_nodes", 40070a586ceaSMark Shellenbaum zfs_acl_node_walk_init, zfs_acl_node_walk_step, NULL }, 40080a586ceaSMark Shellenbaum { "zfs_acl_node_aces", "given a zfs_acl_node_t, walk all ACEs", 40090a586ceaSMark Shellenbaum zfs_acl_node_aces_walk_init, zfs_aces_walk_step, NULL }, 40100a586ceaSMark Shellenbaum { "zfs_acl_node_aces0", 40110a586ceaSMark Shellenbaum "given a zfs_acl_node_t, walk all ACEs as ace_t", 40120a586ceaSMark Shellenbaum zfs_acl_node_aces0_walk_init, zfs_aces_walk_step, NULL }, 4013fa9e4066Sahrens { NULL } 4014fa9e4066Sahrens }; 4015fa9e4066Sahrens 4016fa9e4066Sahrens static const mdb_modinfo_t modinfo = { 4017fa9e4066Sahrens MDB_API_VERSION, dcmds, walkers 4018fa9e4066Sahrens }; 4019fa9e4066Sahrens 4020fa9e4066Sahrens const mdb_modinfo_t * 4021fa9e4066Sahrens _mdb_init(void) 4022fa9e4066Sahrens { 4023fa9e4066Sahrens return (&modinfo); 4024fa9e4066Sahrens } 4025