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. 24*ba3132cfSJoe Stein * Copyright (c) 2011, 2015 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> 45fa9e4066Sahrens 46fa9e4066Sahrens #ifdef _KERNEL 47fa9e4066Sahrens #define ZFS_OBJ_NAME "zfs" 48c55e05cbSMatthew Ahrens extern int64_t mdb_gethrtime(void); 49fa9e4066Sahrens #else 50fa9e4066Sahrens #define ZFS_OBJ_NAME "libzpool.so.1" 51fa9e4066Sahrens #endif 52fa9e4066Sahrens 5328e4da25SMatthew Ahrens #define ZFS_STRUCT "struct " ZFS_OBJ_NAME "`" 5428e4da25SMatthew Ahrens 55feef89cfSVictor Latushkin #ifndef _KERNEL 56feef89cfSVictor Latushkin int aok; 57feef89cfSVictor Latushkin #endif 58feef89cfSVictor Latushkin 592e4c9986SGeorge Wilson enum spa_flags { 602e4c9986SGeorge Wilson SPA_FLAG_CONFIG = 1 << 0, 612e4c9986SGeorge Wilson SPA_FLAG_VDEVS = 1 << 1, 622e4c9986SGeorge Wilson SPA_FLAG_ERRORS = 1 << 2, 632e4c9986SGeorge Wilson SPA_FLAG_METASLAB_GROUPS = 1 << 3, 642e4c9986SGeorge Wilson SPA_FLAG_METASLABS = 1 << 4, 652e4c9986SGeorge Wilson SPA_FLAG_HISTOGRAMS = 1 << 5 662e4c9986SGeorge Wilson }; 672e4c9986SGeorge Wilson 682e4c9986SGeorge Wilson #define SPA_FLAG_ALL_VDEV \ 692e4c9986SGeorge Wilson (SPA_FLAG_VDEVS | SPA_FLAG_ERRORS | SPA_FLAG_METASLAB_GROUPS | \ 702e4c9986SGeorge Wilson SPA_FLAG_METASLABS | SPA_FLAG_HISTOGRAMS) 712e4c9986SGeorge Wilson 72fa9e4066Sahrens static int 73fa9e4066Sahrens getmember(uintptr_t addr, const char *type, mdb_ctf_id_t *idp, 74fa9e4066Sahrens const char *member, int len, void *buf) 75fa9e4066Sahrens { 76fa9e4066Sahrens mdb_ctf_id_t id; 77fa9e4066Sahrens ulong_t off; 78fa9e4066Sahrens char name[64]; 79fa9e4066Sahrens 80fa9e4066Sahrens if (idp == NULL) { 81fa9e4066Sahrens if (mdb_ctf_lookup_by_name(type, &id) == -1) { 82fa9e4066Sahrens mdb_warn("couldn't find type %s", type); 83fa9e4066Sahrens return (DCMD_ERR); 84fa9e4066Sahrens } 85fa9e4066Sahrens idp = &id; 86fa9e4066Sahrens } else { 87fa9e4066Sahrens type = name; 88fa9e4066Sahrens mdb_ctf_type_name(*idp, name, sizeof (name)); 89fa9e4066Sahrens } 90fa9e4066Sahrens 91fa9e4066Sahrens if (mdb_ctf_offsetof(*idp, member, &off) == -1) { 92fa9e4066Sahrens mdb_warn("couldn't find member %s of type %s\n", member, type); 93fa9e4066Sahrens return (DCMD_ERR); 94fa9e4066Sahrens } 95fa9e4066Sahrens if (off % 8 != 0) { 96fa9e4066Sahrens mdb_warn("member %s of type %s is unsupported bitfield", 97fa9e4066Sahrens member, type); 98fa9e4066Sahrens return (DCMD_ERR); 99fa9e4066Sahrens } 100fa9e4066Sahrens off /= 8; 101fa9e4066Sahrens 102fa9e4066Sahrens if (mdb_vread(buf, len, addr + off) == -1) { 103fa9e4066Sahrens mdb_warn("failed to read %s from %s at %p", 104fa9e4066Sahrens member, type, addr + off); 105fa9e4066Sahrens return (DCMD_ERR); 106fa9e4066Sahrens } 107fa9e4066Sahrens /* mdb_warn("read %s from %s at %p+%llx\n", member, type, addr, off); */ 108fa9e4066Sahrens 109fa9e4066Sahrens return (0); 110fa9e4066Sahrens } 111fa9e4066Sahrens 11228e4da25SMatthew Ahrens #define GETMEMB(addr, structname, member, dest) \ 11328e4da25SMatthew Ahrens getmember(addr, ZFS_STRUCT structname, NULL, #member, \ 11428e4da25SMatthew Ahrens sizeof (dest), &(dest)) 115fa9e4066Sahrens 116fa9e4066Sahrens #define GETMEMBID(addr, ctfid, member, dest) \ 117fa9e4066Sahrens getmember(addr, NULL, ctfid, #member, sizeof (dest), &(dest)) 118fa9e4066Sahrens 1193f9d6ad7SLin Ling static boolean_t 1203f9d6ad7SLin Ling strisprint(const char *cp) 1213f9d6ad7SLin Ling { 1223f9d6ad7SLin Ling for (; *cp; cp++) { 1233f9d6ad7SLin Ling if (!isprint(*cp)) 1243f9d6ad7SLin Ling return (B_FALSE); 1253f9d6ad7SLin Ling } 1263f9d6ad7SLin Ling return (B_TRUE); 1273f9d6ad7SLin Ling } 1283f9d6ad7SLin Ling 1292e4c9986SGeorge Wilson #define NICENUM_BUFLEN 6 1302e4c9986SGeorge Wilson 1312e4c9986SGeorge Wilson static int 1322e4c9986SGeorge Wilson snprintfrac(char *buf, int len, 1332e4c9986SGeorge Wilson uint64_t numerator, uint64_t denom, int frac_digits) 1342e4c9986SGeorge Wilson { 1352e4c9986SGeorge Wilson int mul = 1; 1362e4c9986SGeorge Wilson int whole, frac, i; 1372e4c9986SGeorge Wilson 1382e4c9986SGeorge Wilson for (i = frac_digits; i; i--) 1392e4c9986SGeorge Wilson mul *= 10; 1402e4c9986SGeorge Wilson whole = numerator / denom; 1412e4c9986SGeorge Wilson frac = mul * numerator / denom - mul * whole; 1422e4c9986SGeorge Wilson return (mdb_snprintf(buf, len, "%u.%0*u", whole, frac_digits, frac)); 1432e4c9986SGeorge Wilson } 1442e4c9986SGeorge Wilson 1452e4c9986SGeorge Wilson static void 1462e4c9986SGeorge Wilson mdb_nicenum(uint64_t num, char *buf) 1472e4c9986SGeorge Wilson { 1482e4c9986SGeorge Wilson uint64_t n = num; 1492e4c9986SGeorge Wilson int index = 0; 1502e4c9986SGeorge Wilson char *u; 1512e4c9986SGeorge Wilson 1522e4c9986SGeorge Wilson while (n >= 1024) { 1532e4c9986SGeorge Wilson n = (n + (1024 / 2)) / 1024; /* Round up or down */ 1542e4c9986SGeorge Wilson index++; 1552e4c9986SGeorge Wilson } 1562e4c9986SGeorge Wilson 1572e4c9986SGeorge Wilson u = &" \0K\0M\0G\0T\0P\0E\0"[index*2]; 1582e4c9986SGeorge Wilson 1592e4c9986SGeorge Wilson if (index == 0) { 1602e4c9986SGeorge Wilson (void) mdb_snprintf(buf, NICENUM_BUFLEN, "%llu", 1612e4c9986SGeorge Wilson (u_longlong_t)n); 1622e4c9986SGeorge Wilson } else if (n < 10 && (num & (num - 1)) != 0) { 1632e4c9986SGeorge Wilson (void) snprintfrac(buf, NICENUM_BUFLEN, 1642e4c9986SGeorge Wilson num, 1ULL << 10 * index, 2); 1652e4c9986SGeorge Wilson strcat(buf, u); 1662e4c9986SGeorge Wilson } else if (n < 100 && (num & (num - 1)) != 0) { 1672e4c9986SGeorge Wilson (void) snprintfrac(buf, NICENUM_BUFLEN, 1682e4c9986SGeorge Wilson num, 1ULL << 10 * index, 1); 1692e4c9986SGeorge Wilson strcat(buf, u); 1702e4c9986SGeorge Wilson } else { 1712e4c9986SGeorge Wilson (void) mdb_snprintf(buf, NICENUM_BUFLEN, "%llu%s", 1722e4c9986SGeorge Wilson (u_longlong_t)n, u); 1732e4c9986SGeorge Wilson } 1742e4c9986SGeorge Wilson } 1752e4c9986SGeorge Wilson 176fa9e4066Sahrens static int verbose; 177fa9e4066Sahrens 178fa9e4066Sahrens static int 179fa9e4066Sahrens freelist_walk_init(mdb_walk_state_t *wsp) 180fa9e4066Sahrens { 181fa9e4066Sahrens if (wsp->walk_addr == NULL) { 182fa9e4066Sahrens mdb_warn("must supply starting address\n"); 183fa9e4066Sahrens return (WALK_ERR); 184fa9e4066Sahrens } 185fa9e4066Sahrens 186fa9e4066Sahrens wsp->walk_data = 0; /* Index into the freelist */ 187fa9e4066Sahrens return (WALK_NEXT); 188fa9e4066Sahrens } 189fa9e4066Sahrens 190fa9e4066Sahrens static int 191fa9e4066Sahrens freelist_walk_step(mdb_walk_state_t *wsp) 192fa9e4066Sahrens { 193fa9e4066Sahrens uint64_t entry; 194fa9e4066Sahrens uintptr_t number = (uintptr_t)wsp->walk_data; 1958053a263Sck char *ddata[] = { "ALLOC", "FREE", "CONDENSE", "INVALID", 1968053a263Sck "INVALID", "INVALID", "INVALID", "INVALID" }; 197fa9e4066Sahrens int mapshift = SPA_MINBLOCKSHIFT; 198fa9e4066Sahrens 199fa9e4066Sahrens if (mdb_vread(&entry, sizeof (entry), wsp->walk_addr) == -1) { 200fa9e4066Sahrens mdb_warn("failed to read freelist entry %p", wsp->walk_addr); 201fa9e4066Sahrens return (WALK_DONE); 202fa9e4066Sahrens } 203fa9e4066Sahrens wsp->walk_addr += sizeof (entry); 204fa9e4066Sahrens wsp->walk_data = (void *)(number + 1); 205fa9e4066Sahrens 206fa9e4066Sahrens if (SM_DEBUG_DECODE(entry)) { 207fa9e4066Sahrens mdb_printf("DEBUG: %3u %10s: txg=%llu pass=%llu\n", 208fa9e4066Sahrens number, 209fa9e4066Sahrens ddata[SM_DEBUG_ACTION_DECODE(entry)], 210fa9e4066Sahrens SM_DEBUG_TXG_DECODE(entry), 211fa9e4066Sahrens SM_DEBUG_SYNCPASS_DECODE(entry)); 212fa9e4066Sahrens } else { 213fa9e4066Sahrens mdb_printf("Entry: %3u offsets=%08llx-%08llx type=%c " 214fa9e4066Sahrens "size=%06llx", number, 215fa9e4066Sahrens SM_OFFSET_DECODE(entry) << mapshift, 216fa9e4066Sahrens (SM_OFFSET_DECODE(entry) + SM_RUN_DECODE(entry)) << 217fa9e4066Sahrens mapshift, 218fa9e4066Sahrens SM_TYPE_DECODE(entry) == SM_ALLOC ? 'A' : 'F', 219fa9e4066Sahrens SM_RUN_DECODE(entry) << mapshift); 220fa9e4066Sahrens if (verbose) 221fa9e4066Sahrens mdb_printf(" (raw=%012llx)\n", entry); 222fa9e4066Sahrens mdb_printf("\n"); 223fa9e4066Sahrens } 224fa9e4066Sahrens return (WALK_NEXT); 225fa9e4066Sahrens } 226fa9e4066Sahrens 227fa9e4066Sahrens static int 22828e4da25SMatthew Ahrens mdb_dsl_dir_name(uintptr_t addr, char *buf) 229fa9e4066Sahrens { 230fa9e4066Sahrens static int gotid; 231fa9e4066Sahrens static mdb_ctf_id_t dd_id; 232fa9e4066Sahrens uintptr_t dd_parent; 233fa9e4066Sahrens char dd_myname[MAXNAMELEN]; 234fa9e4066Sahrens 235fa9e4066Sahrens if (!gotid) { 23628e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "dsl_dir", 237fa9e4066Sahrens &dd_id) == -1) { 238fa9e4066Sahrens mdb_warn("couldn't find struct dsl_dir"); 239fa9e4066Sahrens return (DCMD_ERR); 240fa9e4066Sahrens } 241fa9e4066Sahrens gotid = TRUE; 242fa9e4066Sahrens } 243fa9e4066Sahrens if (GETMEMBID(addr, &dd_id, dd_parent, dd_parent) || 244fa9e4066Sahrens GETMEMBID(addr, &dd_id, dd_myname, dd_myname)) { 245fa9e4066Sahrens return (DCMD_ERR); 246fa9e4066Sahrens } 247fa9e4066Sahrens 248fa9e4066Sahrens if (dd_parent) { 24928e4da25SMatthew Ahrens if (mdb_dsl_dir_name(dd_parent, buf)) 250fa9e4066Sahrens return (DCMD_ERR); 251fa9e4066Sahrens strcat(buf, "/"); 252fa9e4066Sahrens } 253fa9e4066Sahrens 254fa9e4066Sahrens if (dd_myname[0]) 255fa9e4066Sahrens strcat(buf, dd_myname); 256fa9e4066Sahrens else 257fa9e4066Sahrens strcat(buf, "???"); 258fa9e4066Sahrens 259fa9e4066Sahrens return (0); 260fa9e4066Sahrens } 261fa9e4066Sahrens 262fa9e4066Sahrens static int 263fa9e4066Sahrens objset_name(uintptr_t addr, char *buf) 264fa9e4066Sahrens { 265fa9e4066Sahrens static int gotid; 2664223fc7cSMark Shellenbaum static mdb_ctf_id_t os_id, ds_id; 267fa9e4066Sahrens uintptr_t os_dsl_dataset; 268fa9e4066Sahrens char ds_snapname[MAXNAMELEN]; 269fa9e4066Sahrens uintptr_t ds_dir; 270fa9e4066Sahrens 271fa9e4066Sahrens buf[0] = '\0'; 272fa9e4066Sahrens 273fa9e4066Sahrens if (!gotid) { 27428e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "objset", 2754223fc7cSMark Shellenbaum &os_id) == -1) { 2764223fc7cSMark Shellenbaum mdb_warn("couldn't find struct objset"); 277fa9e4066Sahrens return (DCMD_ERR); 278fa9e4066Sahrens } 27928e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "dsl_dataset", 280fa9e4066Sahrens &ds_id) == -1) { 281fa9e4066Sahrens mdb_warn("couldn't find struct dsl_dataset"); 282fa9e4066Sahrens return (DCMD_ERR); 283fa9e4066Sahrens } 284fa9e4066Sahrens 285fa9e4066Sahrens gotid = TRUE; 286fa9e4066Sahrens } 287fa9e4066Sahrens 2884223fc7cSMark Shellenbaum if (GETMEMBID(addr, &os_id, os_dsl_dataset, os_dsl_dataset)) 289fa9e4066Sahrens return (DCMD_ERR); 290fa9e4066Sahrens 291fa9e4066Sahrens if (os_dsl_dataset == 0) { 292fa9e4066Sahrens strcat(buf, "mos"); 293fa9e4066Sahrens return (0); 294fa9e4066Sahrens } 295fa9e4066Sahrens 296fa9e4066Sahrens if (GETMEMBID(os_dsl_dataset, &ds_id, ds_snapname, ds_snapname) || 297fa9e4066Sahrens GETMEMBID(os_dsl_dataset, &ds_id, ds_dir, ds_dir)) { 298fa9e4066Sahrens return (DCMD_ERR); 299fa9e4066Sahrens } 300fa9e4066Sahrens 30128e4da25SMatthew Ahrens if (ds_dir && mdb_dsl_dir_name(ds_dir, buf)) 302fa9e4066Sahrens return (DCMD_ERR); 303fa9e4066Sahrens 304fa9e4066Sahrens if (ds_snapname[0]) { 305fa9e4066Sahrens strcat(buf, "@"); 306fa9e4066Sahrens strcat(buf, ds_snapname); 307fa9e4066Sahrens } 308fa9e4066Sahrens return (0); 309fa9e4066Sahrens } 310fa9e4066Sahrens 311fa9e4066Sahrens static void 312fa9e4066Sahrens enum_lookup(char *out, size_t size, mdb_ctf_id_t id, int val, 313fa9e4066Sahrens const char *prefix) 314fa9e4066Sahrens { 315fa9e4066Sahrens const char *cp; 316fa9e4066Sahrens size_t len = strlen(prefix); 317fa9e4066Sahrens 318fa9e4066Sahrens if ((cp = mdb_ctf_enum_name(id, val)) != NULL) { 319fa9e4066Sahrens if (strncmp(cp, prefix, len) == 0) 320fa9e4066Sahrens cp += len; 321fa9e4066Sahrens (void) strncpy(out, cp, size); 322fa9e4066Sahrens } else { 323fa9e4066Sahrens mdb_snprintf(out, size, "? (%d)", val); 324fa9e4066Sahrens } 325fa9e4066Sahrens } 326fa9e4066Sahrens 327614409b5Sahrens /* ARGSUSED */ 328614409b5Sahrens static int 329614409b5Sahrens zfs_params(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 330614409b5Sahrens { 331614409b5Sahrens /* 332614409b5Sahrens * This table can be approximately generated by running: 333614409b5Sahrens * egrep "^[a-z0-9_]+ [a-z0-9_]+( =.*)?;" *.c | cut -d ' ' -f 2 334614409b5Sahrens */ 335614409b5Sahrens static const char *params[] = { 336614409b5Sahrens "arc_reduce_dnlc_percent", 33769962b56SMatthew Ahrens "arc_lotsfree_percent", 33869962b56SMatthew Ahrens "zfs_dirty_data_max", 33969962b56SMatthew Ahrens "zfs_dirty_data_sync", 34069962b56SMatthew Ahrens "zfs_delay_max_ns", 34169962b56SMatthew Ahrens "zfs_delay_min_dirty_percent", 34269962b56SMatthew Ahrens "zfs_delay_scale", 34369962b56SMatthew Ahrens "zfs_vdev_max_active", 34469962b56SMatthew Ahrens "zfs_vdev_sync_read_min_active", 34569962b56SMatthew Ahrens "zfs_vdev_sync_read_max_active", 34669962b56SMatthew Ahrens "zfs_vdev_sync_write_min_active", 34769962b56SMatthew Ahrens "zfs_vdev_sync_write_max_active", 34869962b56SMatthew Ahrens "zfs_vdev_async_read_min_active", 34969962b56SMatthew Ahrens "zfs_vdev_async_read_max_active", 35069962b56SMatthew Ahrens "zfs_vdev_async_write_min_active", 35169962b56SMatthew Ahrens "zfs_vdev_async_write_max_active", 35269962b56SMatthew Ahrens "zfs_vdev_scrub_min_active", 35369962b56SMatthew Ahrens "zfs_vdev_scrub_max_active", 35469962b56SMatthew Ahrens "zfs_vdev_async_write_active_min_dirty_percent", 35569962b56SMatthew Ahrens "zfs_vdev_async_write_active_max_dirty_percent", 35669962b56SMatthew Ahrens "spa_asize_inflation", 357614409b5Sahrens "zfs_arc_max", 358614409b5Sahrens "zfs_arc_min", 35949e3519aSmaybee "arc_shrink_shift", 360614409b5Sahrens "zfs_mdcomp_disable", 361614409b5Sahrens "zfs_prefetch_disable", 362614409b5Sahrens "zfetch_max_streams", 363614409b5Sahrens "zfetch_min_sec_reap", 364614409b5Sahrens "zfetch_block_cap", 365614409b5Sahrens "zfetch_array_rd_sz", 366614409b5Sahrens "zfs_default_bs", 367614409b5Sahrens "zfs_default_ibs", 368614409b5Sahrens "metaslab_aliquot", 369614409b5Sahrens "reference_tracking_enable", 370614409b5Sahrens "reference_history", 371614409b5Sahrens "spa_max_replication_override", 372b24ab676SJeff Bonwick "spa_mode_global", 373614409b5Sahrens "zfs_flags", 3741ab7f2deSmaybee "zfs_txg_timeout", 375614409b5Sahrens "zfs_vdev_cache_max", 376614409b5Sahrens "zfs_vdev_cache_size", 377614409b5Sahrens "zfs_vdev_cache_bshift", 378614409b5Sahrens "vdev_mirror_shift", 379614409b5Sahrens "zfs_scrub_limit", 380b16da2e2SGeorge Wilson "zfs_no_scrub_io", 381b16da2e2SGeorge Wilson "zfs_no_scrub_prefetch", 382614409b5Sahrens "zfs_vdev_aggregation_limit", 383614409b5Sahrens "fzap_default_block_shift", 384614409b5Sahrens "zfs_immediate_write_sz", 385614409b5Sahrens "zfs_read_chunk_size", 386614409b5Sahrens "zfs_nocacheflush", 38755da60b9SMark J Musante "zil_replay_disable", 3881ab7f2deSmaybee "metaslab_gang_bang", 389d6e555bdSGeorge Wilson "metaslab_df_alloc_threshold", 390d6e555bdSGeorge Wilson "metaslab_df_free_pct", 391614409b5Sahrens "zio_injection_enabled", 392614409b5Sahrens "zvol_immediate_write_sz", 393614409b5Sahrens }; 394614409b5Sahrens 395b24ab676SJeff Bonwick for (int i = 0; i < sizeof (params) / sizeof (params[0]); i++) { 396614409b5Sahrens int sz; 397614409b5Sahrens uint64_t val64; 398614409b5Sahrens uint32_t *val32p = (uint32_t *)&val64; 399614409b5Sahrens 400614409b5Sahrens sz = mdb_readvar(&val64, params[i]); 401614409b5Sahrens if (sz == 4) { 402614409b5Sahrens mdb_printf("%s = 0x%x\n", params[i], *val32p); 403614409b5Sahrens } else if (sz == 8) { 404614409b5Sahrens mdb_printf("%s = 0x%llx\n", params[i], val64); 405614409b5Sahrens } else { 406614409b5Sahrens mdb_warn("variable %s not found", params[i]); 407614409b5Sahrens } 408614409b5Sahrens } 409614409b5Sahrens 410614409b5Sahrens return (DCMD_OK); 411614409b5Sahrens } 412614409b5Sahrens 413fa9e4066Sahrens /* ARGSUSED */ 414fa9e4066Sahrens static int 415fa9e4066Sahrens blkptr(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 416fa9e4066Sahrens { 417b24ab676SJeff Bonwick mdb_ctf_id_t type_enum, checksum_enum, compress_enum; 418b24ab676SJeff Bonwick char type[80], checksum[80], compress[80]; 419b24ab676SJeff Bonwick blkptr_t blk, *bp = &blk; 420b24ab676SJeff Bonwick char buf[BP_SPRINTF_LEN]; 421fa9e4066Sahrens 422b24ab676SJeff Bonwick if (mdb_vread(&blk, sizeof (blkptr_t), addr) == -1) { 423fa9e4066Sahrens mdb_warn("failed to read blkptr_t"); 424fa9e4066Sahrens return (DCMD_ERR); 425fa9e4066Sahrens } 426fa9e4066Sahrens 427b24ab676SJeff Bonwick if (mdb_ctf_lookup_by_name("enum dmu_object_type", &type_enum) == -1 || 428b24ab676SJeff Bonwick mdb_ctf_lookup_by_name("enum zio_checksum", &checksum_enum) == -1 || 429b24ab676SJeff Bonwick mdb_ctf_lookup_by_name("enum zio_compress", &compress_enum) == -1) { 430b24ab676SJeff Bonwick mdb_warn("Could not find blkptr enumerated types"); 431fa9e4066Sahrens return (DCMD_ERR); 432fa9e4066Sahrens } 433fa9e4066Sahrens 434b24ab676SJeff Bonwick enum_lookup(type, sizeof (type), type_enum, 435b24ab676SJeff Bonwick BP_GET_TYPE(bp), "DMU_OT_"); 436b24ab676SJeff Bonwick enum_lookup(checksum, sizeof (checksum), checksum_enum, 437b24ab676SJeff Bonwick BP_GET_CHECKSUM(bp), "ZIO_CHECKSUM_"); 438b24ab676SJeff Bonwick enum_lookup(compress, sizeof (compress), compress_enum, 439b24ab676SJeff Bonwick BP_GET_COMPRESS(bp), "ZIO_COMPRESS_"); 440fa9e4066Sahrens 44143466aaeSMax Grossman SNPRINTF_BLKPTR(mdb_snprintf, '\n', buf, sizeof (buf), bp, type, 44243466aaeSMax Grossman checksum, compress); 443fa9e4066Sahrens 444b24ab676SJeff Bonwick mdb_printf("%s\n", buf); 445fa9e4066Sahrens 446fa9e4066Sahrens return (DCMD_OK); 447fa9e4066Sahrens } 448fa9e4066Sahrens 44928e4da25SMatthew Ahrens typedef struct mdb_dmu_buf_impl { 45028e4da25SMatthew Ahrens struct { 45128e4da25SMatthew Ahrens uint64_t db_object; 4522515f5d4SJustin T. Gibbs uintptr_t db_data; 45328e4da25SMatthew Ahrens } db; 454d5ee8a13SMatthew Ahrens uintptr_t db_objset; 45528e4da25SMatthew Ahrens uint64_t db_level; 45628e4da25SMatthew Ahrens uint64_t db_blkid; 45728e4da25SMatthew Ahrens struct { 45828e4da25SMatthew Ahrens uint64_t rc_count; 45928e4da25SMatthew Ahrens } db_holds; 46028e4da25SMatthew Ahrens } mdb_dmu_buf_impl_t; 46128e4da25SMatthew Ahrens 462fa9e4066Sahrens /* ARGSUSED */ 463fa9e4066Sahrens static int 464fa9e4066Sahrens dbuf(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 465fa9e4066Sahrens { 46628e4da25SMatthew Ahrens mdb_dmu_buf_impl_t db; 467fa9e4066Sahrens char objectname[32]; 468fa9e4066Sahrens char blkidname[32]; 469fa9e4066Sahrens char path[MAXNAMELEN]; 470*ba3132cfSJoe Stein int ptr_width = (int)(sizeof (void *)) * 2; 471fa9e4066Sahrens 47228e4da25SMatthew Ahrens if (DCMD_HDRSPEC(flags)) 473*ba3132cfSJoe Stein mdb_printf("%*s %8s %3s %9s %5s %s\n", 474*ba3132cfSJoe Stein ptr_width, "addr", "object", "lvl", "blkid", "holds", "os"); 475fa9e4066Sahrens 47628e4da25SMatthew Ahrens if (mdb_ctf_vread(&db, ZFS_STRUCT "dmu_buf_impl", "mdb_dmu_buf_impl_t", 47728e4da25SMatthew Ahrens addr, 0) == -1) 478fa9e4066Sahrens return (DCMD_ERR); 479fa9e4066Sahrens 48028e4da25SMatthew Ahrens if (db.db.db_object == DMU_META_DNODE_OBJECT) 481fa9e4066Sahrens (void) strcpy(objectname, "mdn"); 482fa9e4066Sahrens else 483fa9e4066Sahrens (void) mdb_snprintf(objectname, sizeof (objectname), "%llx", 48428e4da25SMatthew Ahrens (u_longlong_t)db.db.db_object); 485fa9e4066Sahrens 48628e4da25SMatthew Ahrens if (db.db_blkid == DMU_BONUS_BLKID) 487fa9e4066Sahrens (void) strcpy(blkidname, "bonus"); 488fa9e4066Sahrens else 489fa9e4066Sahrens (void) mdb_snprintf(blkidname, sizeof (blkidname), "%llx", 49028e4da25SMatthew Ahrens (u_longlong_t)db.db_blkid); 491fa9e4066Sahrens 492d5ee8a13SMatthew Ahrens if (objset_name(db.db_objset, path)) { 49328e4da25SMatthew Ahrens return (DCMD_ERR); 494fa9e4066Sahrens } 495fa9e4066Sahrens 496*ba3132cfSJoe Stein mdb_printf("%*p %8s %3u %9s %5llu %s\n", ptr_width, addr, 49728e4da25SMatthew Ahrens objectname, (int)db.db_level, blkidname, 49828e4da25SMatthew Ahrens db.db_holds.rc_count, path); 499fa9e4066Sahrens 500fa9e4066Sahrens return (DCMD_OK); 501fa9e4066Sahrens } 502fa9e4066Sahrens 503fa9e4066Sahrens /* ARGSUSED */ 504fa9e4066Sahrens static int 505fa9e4066Sahrens dbuf_stats(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 506fa9e4066Sahrens { 507fa9e4066Sahrens #define HISTOSZ 32 508fa9e4066Sahrens uintptr_t dbp; 509fa9e4066Sahrens dmu_buf_impl_t db; 510fa9e4066Sahrens dbuf_hash_table_t ht; 511fa9e4066Sahrens uint64_t bucket, ndbufs; 512fa9e4066Sahrens uint64_t histo[HISTOSZ]; 513fa9e4066Sahrens uint64_t histo2[HISTOSZ]; 514fa9e4066Sahrens int i, maxidx; 515fa9e4066Sahrens 516fa9e4066Sahrens if (mdb_readvar(&ht, "dbuf_hash_table") == -1) { 517fa9e4066Sahrens mdb_warn("failed to read 'dbuf_hash_table'"); 518fa9e4066Sahrens return (DCMD_ERR); 519fa9e4066Sahrens } 520fa9e4066Sahrens 521fa9e4066Sahrens for (i = 0; i < HISTOSZ; i++) { 522fa9e4066Sahrens histo[i] = 0; 523fa9e4066Sahrens histo2[i] = 0; 524fa9e4066Sahrens } 525fa9e4066Sahrens 526fa9e4066Sahrens ndbufs = 0; 527fa9e4066Sahrens for (bucket = 0; bucket < ht.hash_table_mask+1; bucket++) { 528fa9e4066Sahrens int len; 529fa9e4066Sahrens 530fa9e4066Sahrens if (mdb_vread(&dbp, sizeof (void *), 531fa9e4066Sahrens (uintptr_t)(ht.hash_table+bucket)) == -1) { 532fa9e4066Sahrens mdb_warn("failed to read hash bucket %u at %p", 533fa9e4066Sahrens bucket, ht.hash_table+bucket); 534fa9e4066Sahrens return (DCMD_ERR); 535fa9e4066Sahrens } 536fa9e4066Sahrens 537fa9e4066Sahrens len = 0; 538fa9e4066Sahrens while (dbp != 0) { 539fa9e4066Sahrens if (mdb_vread(&db, sizeof (dmu_buf_impl_t), 540fa9e4066Sahrens dbp) == -1) { 541fa9e4066Sahrens mdb_warn("failed to read dbuf at %p", dbp); 542fa9e4066Sahrens return (DCMD_ERR); 543fa9e4066Sahrens } 544fa9e4066Sahrens dbp = (uintptr_t)db.db_hash_next; 545fa9e4066Sahrens for (i = MIN(len, HISTOSZ - 1); i >= 0; i--) 546fa9e4066Sahrens histo2[i]++; 547fa9e4066Sahrens len++; 548fa9e4066Sahrens ndbufs++; 549fa9e4066Sahrens } 550fa9e4066Sahrens 551fa9e4066Sahrens if (len >= HISTOSZ) 552fa9e4066Sahrens len = HISTOSZ-1; 553fa9e4066Sahrens histo[len]++; 554fa9e4066Sahrens } 555fa9e4066Sahrens 556fa9e4066Sahrens mdb_printf("hash table has %llu buckets, %llu dbufs " 557fa9e4066Sahrens "(avg %llu buckets/dbuf)\n", 558fa9e4066Sahrens ht.hash_table_mask+1, ndbufs, 559fa9e4066Sahrens (ht.hash_table_mask+1)/ndbufs); 560fa9e4066Sahrens 561fa9e4066Sahrens mdb_printf("\n"); 562fa9e4066Sahrens maxidx = 0; 563fa9e4066Sahrens for (i = 0; i < HISTOSZ; i++) 564fa9e4066Sahrens if (histo[i] > 0) 565fa9e4066Sahrens maxidx = i; 566fa9e4066Sahrens mdb_printf("hash chain length number of buckets\n"); 567fa9e4066Sahrens for (i = 0; i <= maxidx; i++) 568fa9e4066Sahrens mdb_printf("%u %llu\n", i, histo[i]); 569fa9e4066Sahrens 570fa9e4066Sahrens mdb_printf("\n"); 571fa9e4066Sahrens maxidx = 0; 572fa9e4066Sahrens for (i = 0; i < HISTOSZ; i++) 573fa9e4066Sahrens if (histo2[i] > 0) 574fa9e4066Sahrens maxidx = i; 575fa9e4066Sahrens mdb_printf("hash chain depth number of dbufs\n"); 576fa9e4066Sahrens for (i = 0; i <= maxidx; i++) 577fa9e4066Sahrens mdb_printf("%u or more %llu %llu%%\n", 578fa9e4066Sahrens i, histo2[i], histo2[i]*100/ndbufs); 579fa9e4066Sahrens 580fa9e4066Sahrens 581fa9e4066Sahrens return (DCMD_OK); 582fa9e4066Sahrens } 583fa9e4066Sahrens 5843f1f8012SMatthew Ahrens #define CHAIN_END 0xffff 5853f1f8012SMatthew Ahrens /* 5863f1f8012SMatthew Ahrens * ::zap_leaf [-v] 5873f1f8012SMatthew Ahrens * 5883f1f8012SMatthew Ahrens * Print a zap_leaf_phys_t, assumed to be 16k 5893f1f8012SMatthew Ahrens */ 5903f1f8012SMatthew Ahrens /* ARGSUSED */ 5913f1f8012SMatthew Ahrens static int 5923f1f8012SMatthew Ahrens zap_leaf(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 5933f1f8012SMatthew Ahrens { 5943f1f8012SMatthew Ahrens char buf[16*1024]; 5953f1f8012SMatthew Ahrens int verbose = B_FALSE; 5963f1f8012SMatthew Ahrens int four = B_FALSE; 597c1379625SJustin T. Gibbs dmu_buf_t l_dbuf; 5983f1f8012SMatthew Ahrens zap_leaf_t l; 5993f1f8012SMatthew Ahrens zap_leaf_phys_t *zlp = (void *)buf; 6003f1f8012SMatthew Ahrens int i; 6013f1f8012SMatthew Ahrens 6023f1f8012SMatthew Ahrens if (mdb_getopts(argc, argv, 6033f1f8012SMatthew Ahrens 'v', MDB_OPT_SETBITS, TRUE, &verbose, 6043f1f8012SMatthew Ahrens '4', MDB_OPT_SETBITS, TRUE, &four, 6053f1f8012SMatthew Ahrens NULL) != argc) 6063f1f8012SMatthew Ahrens return (DCMD_USAGE); 6073f1f8012SMatthew Ahrens 608c1379625SJustin T. Gibbs l_dbuf.db_data = zlp; 609c1379625SJustin T. Gibbs l.l_dbuf = &l_dbuf; 6103f1f8012SMatthew Ahrens l.l_bs = 14; /* assume 16k blocks */ 6113f1f8012SMatthew Ahrens if (four) 6123f1f8012SMatthew Ahrens l.l_bs = 12; 6133f1f8012SMatthew Ahrens 6143f1f8012SMatthew Ahrens if (!(flags & DCMD_ADDRSPEC)) { 6153f1f8012SMatthew Ahrens return (DCMD_USAGE); 6163f1f8012SMatthew Ahrens } 6173f1f8012SMatthew Ahrens 6183f1f8012SMatthew Ahrens if (mdb_vread(buf, sizeof (buf), addr) == -1) { 6193f1f8012SMatthew Ahrens mdb_warn("failed to read zap_leaf_phys_t at %p", addr); 6203f1f8012SMatthew Ahrens return (DCMD_ERR); 6213f1f8012SMatthew Ahrens } 6223f1f8012SMatthew Ahrens 6233f1f8012SMatthew Ahrens if (zlp->l_hdr.lh_block_type != ZBT_LEAF || 6243f1f8012SMatthew Ahrens zlp->l_hdr.lh_magic != ZAP_LEAF_MAGIC) { 6253f1f8012SMatthew Ahrens mdb_warn("This does not appear to be a zap_leaf_phys_t"); 6263f1f8012SMatthew Ahrens return (DCMD_ERR); 6273f1f8012SMatthew Ahrens } 6283f1f8012SMatthew Ahrens 6293f1f8012SMatthew Ahrens mdb_printf("zap_leaf_phys_t at %p:\n", addr); 6303f1f8012SMatthew Ahrens mdb_printf(" lh_prefix_len = %u\n", zlp->l_hdr.lh_prefix_len); 6313f1f8012SMatthew Ahrens mdb_printf(" lh_prefix = %llx\n", zlp->l_hdr.lh_prefix); 6323f1f8012SMatthew Ahrens mdb_printf(" lh_nentries = %u\n", zlp->l_hdr.lh_nentries); 6333f1f8012SMatthew Ahrens mdb_printf(" lh_nfree = %u\n", zlp->l_hdr.lh_nfree, 6343f1f8012SMatthew Ahrens zlp->l_hdr.lh_nfree * 100 / (ZAP_LEAF_NUMCHUNKS(&l))); 6353f1f8012SMatthew Ahrens mdb_printf(" lh_freelist = %u\n", zlp->l_hdr.lh_freelist); 6363f1f8012SMatthew Ahrens mdb_printf(" lh_flags = %x (%s)\n", zlp->l_hdr.lh_flags, 6373f1f8012SMatthew Ahrens zlp->l_hdr.lh_flags & ZLF_ENTRIES_CDSORTED ? 6383f1f8012SMatthew Ahrens "ENTRIES_CDSORTED" : ""); 6393f1f8012SMatthew Ahrens 6403f1f8012SMatthew Ahrens if (verbose) { 6413f1f8012SMatthew Ahrens mdb_printf(" hash table:\n"); 6423f1f8012SMatthew Ahrens for (i = 0; i < ZAP_LEAF_HASH_NUMENTRIES(&l); i++) { 6433f1f8012SMatthew Ahrens if (zlp->l_hash[i] != CHAIN_END) 6443f1f8012SMatthew Ahrens mdb_printf(" %u: %u\n", i, zlp->l_hash[i]); 6453f1f8012SMatthew Ahrens } 6463f1f8012SMatthew Ahrens } 6473f1f8012SMatthew Ahrens 6483f1f8012SMatthew Ahrens mdb_printf(" chunks:\n"); 6493f1f8012SMatthew Ahrens for (i = 0; i < ZAP_LEAF_NUMCHUNKS(&l); i++) { 6503f1f8012SMatthew Ahrens /* LINTED: alignment */ 6513f1f8012SMatthew Ahrens zap_leaf_chunk_t *zlc = &ZAP_LEAF_CHUNK(&l, i); 6523f1f8012SMatthew Ahrens switch (zlc->l_entry.le_type) { 6533f1f8012SMatthew Ahrens case ZAP_CHUNK_FREE: 6543f1f8012SMatthew Ahrens if (verbose) { 6553f1f8012SMatthew Ahrens mdb_printf(" %u: free; lf_next = %u\n", 6563f1f8012SMatthew Ahrens i, zlc->l_free.lf_next); 6573f1f8012SMatthew Ahrens } 6583f1f8012SMatthew Ahrens break; 6593f1f8012SMatthew Ahrens case ZAP_CHUNK_ENTRY: 6603f1f8012SMatthew Ahrens mdb_printf(" %u: entry\n", i); 6613f1f8012SMatthew Ahrens if (verbose) { 6623f1f8012SMatthew Ahrens mdb_printf(" le_next = %u\n", 6633f1f8012SMatthew Ahrens zlc->l_entry.le_next); 6643f1f8012SMatthew Ahrens } 6653f1f8012SMatthew Ahrens mdb_printf(" le_name_chunk = %u\n", 6663f1f8012SMatthew Ahrens zlc->l_entry.le_name_chunk); 6673f1f8012SMatthew Ahrens mdb_printf(" le_name_numints = %u\n", 6683f1f8012SMatthew Ahrens zlc->l_entry.le_name_numints); 6693f1f8012SMatthew Ahrens mdb_printf(" le_value_chunk = %u\n", 6703f1f8012SMatthew Ahrens zlc->l_entry.le_value_chunk); 6713f1f8012SMatthew Ahrens mdb_printf(" le_value_intlen = %u\n", 6723f1f8012SMatthew Ahrens zlc->l_entry.le_value_intlen); 6733f1f8012SMatthew Ahrens mdb_printf(" le_value_numints = %u\n", 6743f1f8012SMatthew Ahrens zlc->l_entry.le_value_numints); 6753f1f8012SMatthew Ahrens mdb_printf(" le_cd = %u\n", 6763f1f8012SMatthew Ahrens zlc->l_entry.le_cd); 6773f1f8012SMatthew Ahrens mdb_printf(" le_hash = %llx\n", 6783f1f8012SMatthew Ahrens zlc->l_entry.le_hash); 6793f1f8012SMatthew Ahrens break; 6803f1f8012SMatthew Ahrens case ZAP_CHUNK_ARRAY: 6813f9d6ad7SLin Ling mdb_printf(" %u: array", i); 6823f9d6ad7SLin Ling if (strisprint((char *)zlc->l_array.la_array)) 6833f9d6ad7SLin Ling mdb_printf(" \"%s\"", zlc->l_array.la_array); 6843f9d6ad7SLin Ling mdb_printf("\n"); 6853f1f8012SMatthew Ahrens if (verbose) { 6863f1f8012SMatthew Ahrens int j; 6873f1f8012SMatthew Ahrens mdb_printf(" "); 6883f1f8012SMatthew Ahrens for (j = 0; j < ZAP_LEAF_ARRAY_BYTES; j++) { 6893f1f8012SMatthew Ahrens mdb_printf("%02x ", 6903f1f8012SMatthew Ahrens zlc->l_array.la_array[j]); 6913f1f8012SMatthew Ahrens } 6923f1f8012SMatthew Ahrens mdb_printf("\n"); 6933f1f8012SMatthew Ahrens } 6943f1f8012SMatthew Ahrens if (zlc->l_array.la_next != CHAIN_END) { 6953f1f8012SMatthew Ahrens mdb_printf(" lf_next = %u\n", 6963f1f8012SMatthew Ahrens zlc->l_array.la_next); 6973f1f8012SMatthew Ahrens } 6983f1f8012SMatthew Ahrens break; 6993f1f8012SMatthew Ahrens default: 7003f1f8012SMatthew Ahrens mdb_printf(" %u: undefined type %u\n", 7013f1f8012SMatthew Ahrens zlc->l_entry.le_type); 7023f1f8012SMatthew Ahrens } 7033f1f8012SMatthew Ahrens } 7043f1f8012SMatthew Ahrens 7053f1f8012SMatthew Ahrens return (DCMD_OK); 7063f1f8012SMatthew Ahrens } 7073f1f8012SMatthew Ahrens 708fa9e4066Sahrens typedef struct dbufs_data { 709fa9e4066Sahrens mdb_ctf_id_t id; 710fa9e4066Sahrens uint64_t objset; 711fa9e4066Sahrens uint64_t object; 712fa9e4066Sahrens uint64_t level; 713fa9e4066Sahrens uint64_t blkid; 714fa9e4066Sahrens char *osname; 715fa9e4066Sahrens } dbufs_data_t; 716fa9e4066Sahrens 717fa9e4066Sahrens #define DBUFS_UNSET (0xbaddcafedeadbeefULL) 718fa9e4066Sahrens 719fa9e4066Sahrens /* ARGSUSED */ 720fa9e4066Sahrens static int 721fa9e4066Sahrens dbufs_cb(uintptr_t addr, const void *unknown, void *arg) 722fa9e4066Sahrens { 723fa9e4066Sahrens dbufs_data_t *data = arg; 724fa9e4066Sahrens uintptr_t objset; 725fa9e4066Sahrens dmu_buf_t db; 726fa9e4066Sahrens uint8_t level; 727fa9e4066Sahrens uint64_t blkid; 728fa9e4066Sahrens char osname[MAXNAMELEN]; 729fa9e4066Sahrens 730fa9e4066Sahrens if (GETMEMBID(addr, &data->id, db_objset, objset) || 731fa9e4066Sahrens GETMEMBID(addr, &data->id, db, db) || 732fa9e4066Sahrens GETMEMBID(addr, &data->id, db_level, level) || 733fa9e4066Sahrens GETMEMBID(addr, &data->id, db_blkid, blkid)) { 734fa9e4066Sahrens return (WALK_ERR); 735fa9e4066Sahrens } 736fa9e4066Sahrens 737fa9e4066Sahrens if ((data->objset == DBUFS_UNSET || data->objset == objset) && 738fa9e4066Sahrens (data->osname == NULL || (objset_name(objset, osname) == 0 && 739ccae0b50Seschrock strcmp(data->osname, osname) == 0)) && 740fa9e4066Sahrens (data->object == DBUFS_UNSET || data->object == db.db_object) && 741fa9e4066Sahrens (data->level == DBUFS_UNSET || data->level == level) && 742fa9e4066Sahrens (data->blkid == DBUFS_UNSET || data->blkid == blkid)) { 743fa9e4066Sahrens mdb_printf("%#lr\n", addr); 744fa9e4066Sahrens } 745fa9e4066Sahrens return (WALK_NEXT); 746fa9e4066Sahrens } 747fa9e4066Sahrens 748fa9e4066Sahrens /* ARGSUSED */ 749fa9e4066Sahrens static int 750fa9e4066Sahrens dbufs(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 751fa9e4066Sahrens { 752fa9e4066Sahrens dbufs_data_t data; 753fa9e4066Sahrens char *object = NULL; 754fa9e4066Sahrens char *blkid = NULL; 755fa9e4066Sahrens 756fa9e4066Sahrens data.objset = data.object = data.level = data.blkid = DBUFS_UNSET; 757fa9e4066Sahrens data.osname = NULL; 758fa9e4066Sahrens 759fa9e4066Sahrens if (mdb_getopts(argc, argv, 760fa9e4066Sahrens 'O', MDB_OPT_UINT64, &data.objset, 761fa9e4066Sahrens 'n', MDB_OPT_STR, &data.osname, 762fa9e4066Sahrens 'o', MDB_OPT_STR, &object, 763fa9e4066Sahrens 'l', MDB_OPT_UINT64, &data.level, 764fa9e4066Sahrens 'b', MDB_OPT_STR, &blkid) != argc) { 765fa9e4066Sahrens return (DCMD_USAGE); 766fa9e4066Sahrens } 767fa9e4066Sahrens 768fa9e4066Sahrens if (object) { 769fa9e4066Sahrens if (strcmp(object, "mdn") == 0) { 770fa9e4066Sahrens data.object = DMU_META_DNODE_OBJECT; 771fa9e4066Sahrens } else { 772fa9e4066Sahrens data.object = mdb_strtoull(object); 773fa9e4066Sahrens } 774fa9e4066Sahrens } 775fa9e4066Sahrens 776fa9e4066Sahrens if (blkid) { 777fa9e4066Sahrens if (strcmp(blkid, "bonus") == 0) { 7780a586ceaSMark Shellenbaum data.blkid = DMU_BONUS_BLKID; 779fa9e4066Sahrens } else { 780fa9e4066Sahrens data.blkid = mdb_strtoull(blkid); 781fa9e4066Sahrens } 782fa9e4066Sahrens } 783fa9e4066Sahrens 78428e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "dmu_buf_impl", &data.id) == -1) { 785fa9e4066Sahrens mdb_warn("couldn't find struct dmu_buf_impl_t"); 786fa9e4066Sahrens return (DCMD_ERR); 787fa9e4066Sahrens } 788fa9e4066Sahrens 7895f5f7a6fSahrens if (mdb_walk("dmu_buf_impl_t", dbufs_cb, &data) != 0) { 790fa9e4066Sahrens mdb_warn("can't walk dbufs"); 791fa9e4066Sahrens return (DCMD_ERR); 792fa9e4066Sahrens } 793fa9e4066Sahrens 794fa9e4066Sahrens return (DCMD_OK); 795fa9e4066Sahrens } 796fa9e4066Sahrens 797fa9e4066Sahrens typedef struct abuf_find_data { 798fa9e4066Sahrens dva_t dva; 799fa9e4066Sahrens mdb_ctf_id_t id; 800fa9e4066Sahrens } abuf_find_data_t; 801fa9e4066Sahrens 802fa9e4066Sahrens /* ARGSUSED */ 803fa9e4066Sahrens static int 804fa9e4066Sahrens abuf_find_cb(uintptr_t addr, const void *unknown, void *arg) 805fa9e4066Sahrens { 806fa9e4066Sahrens abuf_find_data_t *data = arg; 807fa9e4066Sahrens dva_t dva; 808fa9e4066Sahrens 809fa9e4066Sahrens if (GETMEMBID(addr, &data->id, b_dva, dva)) { 810fa9e4066Sahrens return (WALK_ERR); 811fa9e4066Sahrens } 812fa9e4066Sahrens 813fa9e4066Sahrens if (dva.dva_word[0] == data->dva.dva_word[0] && 814fa9e4066Sahrens dva.dva_word[1] == data->dva.dva_word[1]) { 815fa9e4066Sahrens mdb_printf("%#lr\n", addr); 816fa9e4066Sahrens } 817fa9e4066Sahrens return (WALK_NEXT); 818fa9e4066Sahrens } 819fa9e4066Sahrens 820fa9e4066Sahrens /* ARGSUSED */ 821fa9e4066Sahrens static int 822fa9e4066Sahrens abuf_find(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 823fa9e4066Sahrens { 824fa9e4066Sahrens abuf_find_data_t data; 825fa9e4066Sahrens GElf_Sym sym; 826fa9e4066Sahrens int i; 827fa9e4066Sahrens const char *syms[] = { 828a2eea2e1Sahrens "ARC_mru", 829a2eea2e1Sahrens "ARC_mru_ghost", 830a2eea2e1Sahrens "ARC_mfu", 831a2eea2e1Sahrens "ARC_mfu_ghost", 832fa9e4066Sahrens }; 833fa9e4066Sahrens 834fa9e4066Sahrens if (argc != 2) 835fa9e4066Sahrens return (DCMD_USAGE); 836fa9e4066Sahrens 837fa9e4066Sahrens for (i = 0; i < 2; i ++) { 838fa9e4066Sahrens switch (argv[i].a_type) { 839fa9e4066Sahrens case MDB_TYPE_STRING: 840fa9e4066Sahrens data.dva.dva_word[i] = mdb_strtoull(argv[i].a_un.a_str); 841fa9e4066Sahrens break; 842fa9e4066Sahrens case MDB_TYPE_IMMEDIATE: 843fa9e4066Sahrens data.dva.dva_word[i] = argv[i].a_un.a_val; 844fa9e4066Sahrens break; 845fa9e4066Sahrens default: 846fa9e4066Sahrens return (DCMD_USAGE); 847fa9e4066Sahrens } 848fa9e4066Sahrens } 849fa9e4066Sahrens 85028e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "arc_buf_hdr", &data.id) == -1) { 851fa9e4066Sahrens mdb_warn("couldn't find struct arc_buf_hdr"); 852fa9e4066Sahrens return (DCMD_ERR); 853fa9e4066Sahrens } 854fa9e4066Sahrens 855fa9e4066Sahrens for (i = 0; i < sizeof (syms) / sizeof (syms[0]); i++) { 85622ce0148SMatthew Ahrens if (mdb_lookup_by_obj(ZFS_OBJ_NAME, syms[i], &sym)) { 857fa9e4066Sahrens mdb_warn("can't find symbol %s", syms[i]); 858fa9e4066Sahrens return (DCMD_ERR); 859fa9e4066Sahrens } 860fa9e4066Sahrens 861fa9e4066Sahrens if (mdb_pwalk("list", abuf_find_cb, &data, sym.st_value) != 0) { 862fa9e4066Sahrens mdb_warn("can't walk %s", syms[i]); 863fa9e4066Sahrens return (DCMD_ERR); 864fa9e4066Sahrens } 865fa9e4066Sahrens } 866fa9e4066Sahrens 867fa9e4066Sahrens return (DCMD_OK); 868fa9e4066Sahrens } 869fa9e4066Sahrens 87028e4da25SMatthew Ahrens 87128e4da25SMatthew Ahrens typedef struct dbgmsg_arg { 87228e4da25SMatthew Ahrens boolean_t da_verbose; 87328e4da25SMatthew Ahrens boolean_t da_address; 87428e4da25SMatthew Ahrens } dbgmsg_arg_t; 87528e4da25SMatthew Ahrens 8763f9d6ad7SLin Ling /* ARGSUSED */ 8773f9d6ad7SLin Ling static int 8783f9d6ad7SLin Ling dbgmsg_cb(uintptr_t addr, const void *unknown, void *arg) 8793f9d6ad7SLin Ling { 8803f9d6ad7SLin Ling static mdb_ctf_id_t id; 8813f9d6ad7SLin Ling static boolean_t gotid; 8823f9d6ad7SLin Ling static ulong_t off; 8833f9d6ad7SLin Ling 88428e4da25SMatthew Ahrens dbgmsg_arg_t *da = arg; 8853f9d6ad7SLin Ling time_t timestamp; 8863f9d6ad7SLin Ling char buf[1024]; 8873f9d6ad7SLin Ling 8883f9d6ad7SLin Ling if (!gotid) { 88928e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "zfs_dbgmsg", &id) == 89028e4da25SMatthew Ahrens -1) { 8913f9d6ad7SLin Ling mdb_warn("couldn't find struct zfs_dbgmsg"); 8923f9d6ad7SLin Ling return (WALK_ERR); 8933f9d6ad7SLin Ling } 8943f9d6ad7SLin Ling gotid = TRUE; 8953f9d6ad7SLin Ling if (mdb_ctf_offsetof(id, "zdm_msg", &off) == -1) { 8963f9d6ad7SLin Ling mdb_warn("couldn't find zdm_msg"); 8973f9d6ad7SLin Ling return (WALK_ERR); 8983f9d6ad7SLin Ling } 8993f9d6ad7SLin Ling off /= 8; 9003f9d6ad7SLin Ling } 9013f9d6ad7SLin Ling 9023f9d6ad7SLin Ling 9033f9d6ad7SLin Ling if (GETMEMBID(addr, &id, zdm_timestamp, timestamp)) { 9043f9d6ad7SLin Ling return (WALK_ERR); 9053f9d6ad7SLin Ling } 9063f9d6ad7SLin Ling 9073f9d6ad7SLin Ling if (mdb_readstr(buf, sizeof (buf), addr + off) == -1) { 9083f9d6ad7SLin Ling mdb_warn("failed to read zdm_msg at %p\n", addr + off); 9093f9d6ad7SLin Ling return (DCMD_ERR); 9103f9d6ad7SLin Ling } 9113f9d6ad7SLin Ling 91228e4da25SMatthew Ahrens if (da->da_address) 91328e4da25SMatthew Ahrens mdb_printf("%p ", addr); 91428e4da25SMatthew Ahrens if (da->da_verbose) 9153f9d6ad7SLin Ling mdb_printf("%Y ", timestamp); 9163f9d6ad7SLin Ling 9173f9d6ad7SLin Ling mdb_printf("%s\n", buf); 9183f9d6ad7SLin Ling 91928e4da25SMatthew Ahrens if (da->da_verbose) 9203f9d6ad7SLin Ling (void) mdb_call_dcmd("whatis", addr, DCMD_ADDRSPEC, 0, NULL); 9213f9d6ad7SLin Ling 9223f9d6ad7SLin Ling return (WALK_NEXT); 9233f9d6ad7SLin Ling } 9243f9d6ad7SLin Ling 9253f9d6ad7SLin Ling /* ARGSUSED */ 9263f9d6ad7SLin Ling static int 9273f9d6ad7SLin Ling dbgmsg(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 9283f9d6ad7SLin Ling { 9293f9d6ad7SLin Ling GElf_Sym sym; 93028e4da25SMatthew Ahrens dbgmsg_arg_t da = { 0 }; 9313f9d6ad7SLin Ling 9323f9d6ad7SLin Ling if (mdb_getopts(argc, argv, 93328e4da25SMatthew Ahrens 'v', MDB_OPT_SETBITS, B_TRUE, &da.da_verbose, 93428e4da25SMatthew Ahrens 'a', MDB_OPT_SETBITS, B_TRUE, &da.da_address, 9353f9d6ad7SLin Ling NULL) != argc) 9363f9d6ad7SLin Ling return (DCMD_USAGE); 9373f9d6ad7SLin Ling 9383b2aab18SMatthew Ahrens if (mdb_lookup_by_obj(ZFS_OBJ_NAME, "zfs_dbgmsgs", &sym)) { 9393f9d6ad7SLin Ling mdb_warn("can't find zfs_dbgmsgs"); 9403f9d6ad7SLin Ling return (DCMD_ERR); 9413f9d6ad7SLin Ling } 9423f9d6ad7SLin Ling 94328e4da25SMatthew Ahrens if (mdb_pwalk("list", dbgmsg_cb, &da, sym.st_value) != 0) { 9443f9d6ad7SLin Ling mdb_warn("can't walk zfs_dbgmsgs"); 9453f9d6ad7SLin Ling return (DCMD_ERR); 9463f9d6ad7SLin Ling } 9473f9d6ad7SLin Ling 9483f9d6ad7SLin Ling return (DCMD_OK); 9493f9d6ad7SLin Ling } 9503f9d6ad7SLin Ling 95144cb6abcSbmc /*ARGSUSED*/ 95244cb6abcSbmc static int 95344cb6abcSbmc arc_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 95444cb6abcSbmc { 95544cb6abcSbmc kstat_named_t *stats; 95644cb6abcSbmc GElf_Sym sym; 95791ebeef5Sahrens int nstats, i; 95844cb6abcSbmc uint_t opt_a = FALSE; 95991ebeef5Sahrens uint_t opt_b = FALSE; 96091ebeef5Sahrens uint_t shift = 0; 96191ebeef5Sahrens const char *suffix; 96244cb6abcSbmc 96391ebeef5Sahrens static const char *bytestats[] = { 9649253d63dSGeorge Wilson "p", "c", "c_min", "c_max", "size", "duplicate_buffers_size", 96520128a08SGeorge Wilson "arc_meta_used", "arc_meta_limit", "arc_meta_max", 9664076b1bfSPrakash Surya "arc_meta_min", "hdr_size", "data_size", "metadata_size", 9674076b1bfSPrakash Surya "other_size", "anon_size", "anon_evictable_data", 9684076b1bfSPrakash Surya "anon_evictable_metadata", "mru_size", "mru_evictable_data", 9694076b1bfSPrakash Surya "mru_evictable_metadata", "mru_ghost_size", 9704076b1bfSPrakash Surya "mru_ghost_evictable_data", "mru_ghost_evictable_metadata", 9714076b1bfSPrakash Surya "mfu_size", "mfu_evictable_data", "mfu_evictable_metadata", 9724076b1bfSPrakash Surya "mfu_ghost_size", "mfu_ghost_evictable_data", 9734076b1bfSPrakash Surya "mfu_ghost_evictable_metadata", "evict_l2_cached", 9744076b1bfSPrakash Surya "evict_l2_eligible", "evict_l2_ineligible", "l2_read_bytes", 9754076b1bfSPrakash Surya "l2_write_bytes", "l2_size", "l2_asize", "l2_hdr_size", 9769253d63dSGeorge Wilson NULL 97791ebeef5Sahrens }; 97891ebeef5Sahrens 97991ebeef5Sahrens static const char *extras[] = { 98091ebeef5Sahrens "arc_no_grow", "arc_tempreserve", 98191ebeef5Sahrens NULL 98244cb6abcSbmc }; 98344cb6abcSbmc 98422ce0148SMatthew Ahrens if (mdb_lookup_by_obj(ZFS_OBJ_NAME, "arc_stats", &sym) == -1) { 98544cb6abcSbmc mdb_warn("failed to find 'arc_stats'"); 98644cb6abcSbmc return (DCMD_ERR); 98744cb6abcSbmc } 98844cb6abcSbmc 98944cb6abcSbmc stats = mdb_zalloc(sym.st_size, UM_SLEEP | UM_GC); 99044cb6abcSbmc 99144cb6abcSbmc if (mdb_vread(stats, sym.st_size, sym.st_value) == -1) { 99244cb6abcSbmc mdb_warn("couldn't read 'arc_stats' at %p", sym.st_value); 99344cb6abcSbmc return (DCMD_ERR); 99444cb6abcSbmc } 99544cb6abcSbmc 99644cb6abcSbmc nstats = sym.st_size / sizeof (kstat_named_t); 99744cb6abcSbmc 99891ebeef5Sahrens /* NB: -a / opt_a are ignored for backwards compatability */ 99991ebeef5Sahrens if (mdb_getopts(argc, argv, 100091ebeef5Sahrens 'a', MDB_OPT_SETBITS, TRUE, &opt_a, 100191ebeef5Sahrens 'b', MDB_OPT_SETBITS, TRUE, &opt_b, 100291ebeef5Sahrens 'k', MDB_OPT_SETBITS, 10, &shift, 100391ebeef5Sahrens 'm', MDB_OPT_SETBITS, 20, &shift, 100491ebeef5Sahrens 'g', MDB_OPT_SETBITS, 30, &shift, 100591ebeef5Sahrens NULL) != argc) 100644cb6abcSbmc return (DCMD_USAGE); 100744cb6abcSbmc 100891ebeef5Sahrens if (!opt_b && !shift) 100991ebeef5Sahrens shift = 20; 101091ebeef5Sahrens 101191ebeef5Sahrens switch (shift) { 101291ebeef5Sahrens case 0: 101391ebeef5Sahrens suffix = "B"; 101491ebeef5Sahrens break; 101591ebeef5Sahrens case 10: 101691ebeef5Sahrens suffix = "KB"; 101791ebeef5Sahrens break; 101891ebeef5Sahrens case 20: 101991ebeef5Sahrens suffix = "MB"; 102091ebeef5Sahrens break; 102191ebeef5Sahrens case 30: 102291ebeef5Sahrens suffix = "GB"; 102391ebeef5Sahrens break; 102491ebeef5Sahrens default: 102591ebeef5Sahrens suffix = "XX"; 102691ebeef5Sahrens } 102791ebeef5Sahrens 102891ebeef5Sahrens for (i = 0; i < nstats; i++) { 102991ebeef5Sahrens int j; 103091ebeef5Sahrens boolean_t bytes = B_FALSE; 103191ebeef5Sahrens 103291ebeef5Sahrens for (j = 0; bytestats[j]; j++) { 103391ebeef5Sahrens if (strcmp(stats[i].name, bytestats[j]) == 0) { 103491ebeef5Sahrens bytes = B_TRUE; 103591ebeef5Sahrens break; 103691ebeef5Sahrens } 103791ebeef5Sahrens } 103844cb6abcSbmc 103991ebeef5Sahrens if (bytes) { 104091ebeef5Sahrens mdb_printf("%-25s = %9llu %s\n", stats[i].name, 104191ebeef5Sahrens stats[i].value.ui64 >> shift, suffix); 104291ebeef5Sahrens } else { 104391ebeef5Sahrens mdb_printf("%-25s = %9llu\n", stats[i].name, 104444cb6abcSbmc stats[i].value.ui64); 104544cb6abcSbmc } 104644cb6abcSbmc } 104744cb6abcSbmc 104891ebeef5Sahrens for (i = 0; extras[i]; i++) { 104991ebeef5Sahrens uint64_t buf; 105044cb6abcSbmc 105122ce0148SMatthew Ahrens if (mdb_lookup_by_obj(ZFS_OBJ_NAME, extras[i], &sym) == -1) { 105291ebeef5Sahrens mdb_warn("failed to find '%s'", extras[i]); 105391ebeef5Sahrens return (DCMD_ERR); 105444cb6abcSbmc } 105544cb6abcSbmc 105691ebeef5Sahrens if (sym.st_size != sizeof (uint64_t) && 105791ebeef5Sahrens sym.st_size != sizeof (uint32_t)) { 105891ebeef5Sahrens mdb_warn("expected scalar for variable '%s'\n", 105991ebeef5Sahrens extras[i]); 106091ebeef5Sahrens return (DCMD_ERR); 106144cb6abcSbmc } 106244cb6abcSbmc 106391ebeef5Sahrens if (mdb_vread(&buf, sym.st_size, sym.st_value) == -1) { 106491ebeef5Sahrens mdb_warn("couldn't read '%s'", extras[i]); 106591ebeef5Sahrens return (DCMD_ERR); 106644cb6abcSbmc } 106744cb6abcSbmc 106891ebeef5Sahrens mdb_printf("%-25s = ", extras[i]); 106991ebeef5Sahrens 107091ebeef5Sahrens /* NB: all the 64-bit extras happen to be byte counts */ 107191ebeef5Sahrens if (sym.st_size == sizeof (uint64_t)) 107291ebeef5Sahrens mdb_printf("%9llu %s\n", buf >> shift, suffix); 107344cb6abcSbmc 107491ebeef5Sahrens if (sym.st_size == sizeof (uint32_t)) 107591ebeef5Sahrens mdb_printf("%9d\n", *((uint32_t *)&buf)); 107691ebeef5Sahrens } 107744cb6abcSbmc return (DCMD_OK); 107844cb6abcSbmc } 107944cb6abcSbmc 108022ce0148SMatthew Ahrens typedef struct mdb_spa_print { 108122ce0148SMatthew Ahrens pool_state_t spa_state; 108222ce0148SMatthew Ahrens char spa_name[MAXNAMELEN]; 108322ce0148SMatthew Ahrens } mdb_spa_print_t; 108422ce0148SMatthew Ahrens 1085fa9e4066Sahrens /* 1086fa9e4066Sahrens * ::spa 1087fa9e4066Sahrens * 108822ce0148SMatthew Ahrens * -c Print configuration information as well 108922ce0148SMatthew Ahrens * -v Print vdev state 109022ce0148SMatthew Ahrens * -e Print vdev error stats 10912e4c9986SGeorge Wilson * -m Print vdev metaslab info 10922e4c9986SGeorge Wilson * -M print vdev metaslab group info 10932e4c9986SGeorge Wilson * -h Print histogram info (must be combined with -m or -M) 1094fa9e4066Sahrens * 1095fa9e4066Sahrens * Print a summarized spa_t. When given no arguments, prints out a table of all 1096fa9e4066Sahrens * active pools on the system. 1097fa9e4066Sahrens */ 1098fa9e4066Sahrens /* ARGSUSED */ 1099fa9e4066Sahrens static int 1100fa9e4066Sahrens spa_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1101fa9e4066Sahrens { 1102fa9e4066Sahrens const char *statetab[] = { "ACTIVE", "EXPORTED", "DESTROYED", 1103e14bb325SJeff Bonwick "SPARE", "L2CACHE", "UNINIT", "UNAVAIL", "POTENTIAL" }; 1104fa9e4066Sahrens const char *state; 11052e4c9986SGeorge Wilson int spa_flags = 0; 1106fa9e4066Sahrens 1107fa9e4066Sahrens if (mdb_getopts(argc, argv, 11082e4c9986SGeorge Wilson 'c', MDB_OPT_SETBITS, SPA_FLAG_CONFIG, &spa_flags, 11092e4c9986SGeorge Wilson 'v', MDB_OPT_SETBITS, SPA_FLAG_VDEVS, &spa_flags, 11102e4c9986SGeorge Wilson 'e', MDB_OPT_SETBITS, SPA_FLAG_ERRORS, &spa_flags, 11112e4c9986SGeorge Wilson 'M', MDB_OPT_SETBITS, SPA_FLAG_METASLAB_GROUPS, &spa_flags, 11122e4c9986SGeorge Wilson 'm', MDB_OPT_SETBITS, SPA_FLAG_METASLABS, &spa_flags, 11132e4c9986SGeorge Wilson 'h', MDB_OPT_SETBITS, SPA_FLAG_HISTOGRAMS, &spa_flags, 1114fa9e4066Sahrens NULL) != argc) 1115fa9e4066Sahrens return (DCMD_USAGE); 1116fa9e4066Sahrens 1117fa9e4066Sahrens if (!(flags & DCMD_ADDRSPEC)) { 1118fa9e4066Sahrens if (mdb_walk_dcmd("spa", "spa", argc, argv) == -1) { 1119fa9e4066Sahrens mdb_warn("can't walk spa"); 1120fa9e4066Sahrens return (DCMD_ERR); 1121fa9e4066Sahrens } 1122fa9e4066Sahrens 1123fa9e4066Sahrens return (DCMD_OK); 1124fa9e4066Sahrens } 1125fa9e4066Sahrens 1126fa9e4066Sahrens if (flags & DCMD_PIPE_OUT) { 1127fa9e4066Sahrens mdb_printf("%#lr\n", addr); 1128fa9e4066Sahrens return (DCMD_OK); 1129fa9e4066Sahrens } 1130fa9e4066Sahrens 1131fa9e4066Sahrens if (DCMD_HDRSPEC(flags)) 1132fa9e4066Sahrens mdb_printf("%<u>%-?s %9s %-*s%</u>\n", "ADDR", "STATE", 1133fa9e4066Sahrens sizeof (uintptr_t) == 4 ? 60 : 52, "NAME"); 1134fa9e4066Sahrens 113522ce0148SMatthew Ahrens mdb_spa_print_t spa; 113622ce0148SMatthew Ahrens if (mdb_ctf_vread(&spa, "spa_t", "mdb_spa_print_t", addr, 0) == -1) 1137fa9e4066Sahrens return (DCMD_ERR); 1138fa9e4066Sahrens 1139fa9e4066Sahrens if (spa.spa_state < 0 || spa.spa_state > POOL_STATE_UNAVAIL) 1140ea8dc4b6Seschrock state = "UNKNOWN"; 1141fa9e4066Sahrens else 1142fa9e4066Sahrens state = statetab[spa.spa_state]; 1143fa9e4066Sahrens 1144e14bb325SJeff Bonwick mdb_printf("%0?p %9s %s\n", addr, state, spa.spa_name); 1145fa9e4066Sahrens 11462e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_CONFIG) { 1147fa9e4066Sahrens mdb_printf("\n"); 1148fa9e4066Sahrens mdb_inc_indent(4); 1149fa9e4066Sahrens if (mdb_call_dcmd("spa_config", addr, flags, 0, 1150fa9e4066Sahrens NULL) != DCMD_OK) 1151fa9e4066Sahrens return (DCMD_ERR); 1152fa9e4066Sahrens mdb_dec_indent(4); 1153fa9e4066Sahrens } 1154fa9e4066Sahrens 11552e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_ALL_VDEV) { 1156fa9e4066Sahrens mdb_arg_t v; 11572e4c9986SGeorge Wilson char opts[100] = "-"; 11582e4c9986SGeorge Wilson int args = 11592e4c9986SGeorge Wilson (spa_flags | SPA_FLAG_VDEVS) == SPA_FLAG_VDEVS ? 0 : 1; 11602e4c9986SGeorge Wilson 11612e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_ERRORS) 11622e4c9986SGeorge Wilson strcat(opts, "e"); 11632e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_METASLABS) 11642e4c9986SGeorge Wilson strcat(opts, "m"); 11652e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_METASLAB_GROUPS) 11662e4c9986SGeorge Wilson strcat(opts, "M"); 11672e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_HISTOGRAMS) 11682e4c9986SGeorge Wilson strcat(opts, "h"); 1169fa9e4066Sahrens 1170fa9e4066Sahrens v.a_type = MDB_TYPE_STRING; 11712e4c9986SGeorge Wilson v.a_un.a_str = opts; 1172fa9e4066Sahrens 1173fa9e4066Sahrens mdb_printf("\n"); 1174fa9e4066Sahrens mdb_inc_indent(4); 11752e4c9986SGeorge Wilson if (mdb_call_dcmd("spa_vdevs", addr, flags, args, 1176fa9e4066Sahrens &v) != DCMD_OK) 1177fa9e4066Sahrens return (DCMD_ERR); 1178fa9e4066Sahrens mdb_dec_indent(4); 1179fa9e4066Sahrens } 1180fa9e4066Sahrens 1181fa9e4066Sahrens return (DCMD_OK); 1182fa9e4066Sahrens } 1183fa9e4066Sahrens 118428e4da25SMatthew Ahrens typedef struct mdb_spa_config_spa { 1185d5ee8a13SMatthew Ahrens uintptr_t spa_config; 118628e4da25SMatthew Ahrens } mdb_spa_config_spa_t; 118728e4da25SMatthew Ahrens 1188fa9e4066Sahrens /* 1189fa9e4066Sahrens * ::spa_config 1190fa9e4066Sahrens * 1191fa9e4066Sahrens * Given a spa_t, print the configuration information stored in spa_config. 1192fa9e4066Sahrens * Since it's just an nvlist, format it as an indented list of name=value pairs. 1193fa9e4066Sahrens * We simply read the value of spa_config and pass off to ::nvlist. 1194fa9e4066Sahrens */ 1195fa9e4066Sahrens /* ARGSUSED */ 1196fa9e4066Sahrens static int 1197fa9e4066Sahrens spa_print_config(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1198fa9e4066Sahrens { 119928e4da25SMatthew Ahrens mdb_spa_config_spa_t spa; 1200fa9e4066Sahrens 1201fa9e4066Sahrens if (argc != 0 || !(flags & DCMD_ADDRSPEC)) 1202fa9e4066Sahrens return (DCMD_USAGE); 1203fa9e4066Sahrens 120428e4da25SMatthew Ahrens if (mdb_ctf_vread(&spa, ZFS_STRUCT "spa", "mdb_spa_config_spa_t", 120528e4da25SMatthew Ahrens addr, 0) == -1) 1206fa9e4066Sahrens return (DCMD_ERR); 1207fa9e4066Sahrens 1208d5ee8a13SMatthew Ahrens if (spa.spa_config == 0) { 1209fa9e4066Sahrens mdb_printf("(none)\n"); 1210fa9e4066Sahrens return (DCMD_OK); 1211fa9e4066Sahrens } 1212fa9e4066Sahrens 1213d5ee8a13SMatthew Ahrens return (mdb_call_dcmd("nvlist", spa.spa_config, flags, 1214fa9e4066Sahrens 0, NULL)); 1215fa9e4066Sahrens } 1216fa9e4066Sahrens 12172e4c9986SGeorge Wilson const char histo_stars[] = "****************************************"; 12182e4c9986SGeorge Wilson const int histo_width = sizeof (histo_stars) - 1; 12192e4c9986SGeorge Wilson 12202e4c9986SGeorge Wilson static void 12212e4c9986SGeorge Wilson dump_histogram(const uint64_t *histo, int size, int offset) 12222e4c9986SGeorge Wilson { 12232e4c9986SGeorge Wilson int i; 12242e4c9986SGeorge Wilson int minidx = size - 1; 12252e4c9986SGeorge Wilson int maxidx = 0; 12262e4c9986SGeorge Wilson uint64_t max = 0; 12272e4c9986SGeorge Wilson 12282e4c9986SGeorge Wilson for (i = 0; i < size; i++) { 12292e4c9986SGeorge Wilson if (histo[i] > max) 12302e4c9986SGeorge Wilson max = histo[i]; 12312e4c9986SGeorge Wilson if (histo[i] > 0 && i > maxidx) 12322e4c9986SGeorge Wilson maxidx = i; 12332e4c9986SGeorge Wilson if (histo[i] > 0 && i < minidx) 12342e4c9986SGeorge Wilson minidx = i; 12352e4c9986SGeorge Wilson } 12362e4c9986SGeorge Wilson 12372e4c9986SGeorge Wilson if (max < histo_width) 12382e4c9986SGeorge Wilson max = histo_width; 12392e4c9986SGeorge Wilson 12402e4c9986SGeorge Wilson for (i = minidx; i <= maxidx; i++) { 12412e4c9986SGeorge Wilson mdb_printf("%3u: %6llu %s\n", 12422e4c9986SGeorge Wilson i + offset, (u_longlong_t)histo[i], 12432e4c9986SGeorge Wilson &histo_stars[(max - histo[i]) * histo_width / max]); 12442e4c9986SGeorge Wilson } 12452e4c9986SGeorge Wilson } 12462e4c9986SGeorge Wilson 12472e4c9986SGeorge Wilson typedef struct mdb_range_tree { 12482e4c9986SGeorge Wilson uint64_t rt_space; 12492e4c9986SGeorge Wilson } mdb_range_tree_t; 12502e4c9986SGeorge Wilson 12512e4c9986SGeorge Wilson typedef struct mdb_metaslab_group { 12522e4c9986SGeorge Wilson uint64_t mg_fragmentation; 12532e4c9986SGeorge Wilson uint64_t mg_histogram[RANGE_TREE_HISTOGRAM_SIZE]; 12542e4c9986SGeorge Wilson } mdb_metaslab_group_t; 12552e4c9986SGeorge Wilson 12562e4c9986SGeorge Wilson typedef struct mdb_metaslab { 12572e4c9986SGeorge Wilson uint64_t ms_id; 12582e4c9986SGeorge Wilson uint64_t ms_start; 12592e4c9986SGeorge Wilson uint64_t ms_size; 12602e4c9986SGeorge Wilson uint64_t ms_fragmentation; 12612e4c9986SGeorge Wilson uintptr_t ms_alloctree[TXG_SIZE]; 12622e4c9986SGeorge Wilson uintptr_t ms_freetree[TXG_SIZE]; 12632e4c9986SGeorge Wilson uintptr_t ms_tree; 12642e4c9986SGeorge Wilson uintptr_t ms_sm; 12652e4c9986SGeorge Wilson } mdb_metaslab_t; 12662e4c9986SGeorge Wilson 12672e4c9986SGeorge Wilson typedef struct mdb_space_map_phys_t { 12682e4c9986SGeorge Wilson uint64_t smp_alloc; 12692e4c9986SGeorge Wilson uint64_t smp_histogram[SPACE_MAP_HISTOGRAM_SIZE]; 12702e4c9986SGeorge Wilson } mdb_space_map_phys_t; 12712e4c9986SGeorge Wilson 12722e4c9986SGeorge Wilson typedef struct mdb_space_map { 12732e4c9986SGeorge Wilson uint64_t sm_size; 12742e4c9986SGeorge Wilson uint8_t sm_shift; 12752e4c9986SGeorge Wilson uint64_t sm_alloc; 12762e4c9986SGeorge Wilson uintptr_t sm_phys; 12772e4c9986SGeorge Wilson } mdb_space_map_t; 12782e4c9986SGeorge Wilson 12792e4c9986SGeorge Wilson typedef struct mdb_vdev { 12802e4c9986SGeorge Wilson uintptr_t vdev_ms; 12812e4c9986SGeorge Wilson uint64_t vdev_ms_count; 12822e4c9986SGeorge Wilson vdev_stat_t vdev_stat; 12832e4c9986SGeorge Wilson } mdb_vdev_t; 12842e4c9986SGeorge Wilson 12852e4c9986SGeorge Wilson static int 12862e4c9986SGeorge Wilson metaslab_stats(uintptr_t addr, int spa_flags) 12872e4c9986SGeorge Wilson { 12882e4c9986SGeorge Wilson mdb_vdev_t vdev; 12892e4c9986SGeorge Wilson uintptr_t *vdev_ms; 12902e4c9986SGeorge Wilson 12912e4c9986SGeorge Wilson if (mdb_ctf_vread(&vdev, "vdev_t", "mdb_vdev_t", 12922e4c9986SGeorge Wilson (uintptr_t)addr, 0) == -1) { 12932e4c9986SGeorge Wilson mdb_warn("failed to read vdev at %p\n", addr); 12942e4c9986SGeorge Wilson return (DCMD_ERR); 12952e4c9986SGeorge Wilson } 12962e4c9986SGeorge Wilson 12972e4c9986SGeorge Wilson mdb_inc_indent(4); 12982e4c9986SGeorge Wilson mdb_printf("%<u>%-?s %6s %20s %10s %9s%</u>\n", "ADDR", "ID", 12992e4c9986SGeorge Wilson "OFFSET", "FREE", "FRAGMENTATION"); 13002e4c9986SGeorge Wilson 13012e4c9986SGeorge Wilson vdev_ms = mdb_alloc(vdev.vdev_ms_count * sizeof (void *), 13022e4c9986SGeorge Wilson UM_SLEEP | UM_GC); 13032e4c9986SGeorge Wilson if (mdb_vread(vdev_ms, vdev.vdev_ms_count * sizeof (void *), 13042e4c9986SGeorge Wilson (uintptr_t)vdev.vdev_ms) == -1) { 13052e4c9986SGeorge Wilson mdb_warn("failed to read vdev_ms at %p\n", vdev.vdev_ms); 13062e4c9986SGeorge Wilson return (DCMD_ERR); 13072e4c9986SGeorge Wilson } 13082e4c9986SGeorge Wilson 13092e4c9986SGeorge Wilson for (int m = 0; m < vdev.vdev_ms_count; m++) { 13102e4c9986SGeorge Wilson mdb_metaslab_t ms; 13112e4c9986SGeorge Wilson mdb_space_map_t sm = { 0 }; 13122e4c9986SGeorge Wilson char free[NICENUM_BUFLEN]; 13132e4c9986SGeorge Wilson 13142e4c9986SGeorge Wilson if (mdb_ctf_vread(&ms, "metaslab_t", "mdb_metaslab_t", 13152e4c9986SGeorge Wilson (uintptr_t)vdev_ms[m], 0) == -1) 13162e4c9986SGeorge Wilson return (DCMD_ERR); 13172e4c9986SGeorge Wilson 13182e4c9986SGeorge Wilson if (ms.ms_sm != NULL && 13192e4c9986SGeorge Wilson mdb_ctf_vread(&sm, "space_map_t", "mdb_space_map_t", 13202e4c9986SGeorge Wilson ms.ms_sm, 0) == -1) 13212e4c9986SGeorge Wilson return (DCMD_ERR); 13222e4c9986SGeorge Wilson 13232e4c9986SGeorge Wilson mdb_nicenum(ms.ms_size - sm.sm_alloc, free); 13242e4c9986SGeorge Wilson 13252e4c9986SGeorge Wilson mdb_printf("%0?p %6llu %20llx %10s ", vdev_ms[m], ms.ms_id, 13262e4c9986SGeorge Wilson ms.ms_start, free); 13272e4c9986SGeorge Wilson if (ms.ms_fragmentation == ZFS_FRAG_INVALID) 13282e4c9986SGeorge Wilson mdb_printf("%9s\n", "-"); 13292e4c9986SGeorge Wilson else 13302e4c9986SGeorge Wilson mdb_printf("%9llu%%\n", ms.ms_fragmentation); 13312e4c9986SGeorge Wilson 13322e4c9986SGeorge Wilson if ((spa_flags & SPA_FLAG_HISTOGRAMS) && ms.ms_sm != NULL) { 13332e4c9986SGeorge Wilson mdb_space_map_phys_t smp; 13342e4c9986SGeorge Wilson 13352e4c9986SGeorge Wilson if (sm.sm_phys == NULL) 13362e4c9986SGeorge Wilson continue; 13372e4c9986SGeorge Wilson 13382e4c9986SGeorge Wilson (void) mdb_ctf_vread(&smp, "space_map_phys_t", 13392e4c9986SGeorge Wilson "mdb_space_map_phys_t", sm.sm_phys, 0); 13402e4c9986SGeorge Wilson 13412e4c9986SGeorge Wilson dump_histogram(smp.smp_histogram, 13422e4c9986SGeorge Wilson SPACE_MAP_HISTOGRAM_SIZE, sm.sm_shift); 13432e4c9986SGeorge Wilson } 13442e4c9986SGeorge Wilson } 13452e4c9986SGeorge Wilson mdb_dec_indent(4); 13462e4c9986SGeorge Wilson return (DCMD_OK); 13472e4c9986SGeorge Wilson } 13482e4c9986SGeorge Wilson 13492e4c9986SGeorge Wilson static int 13502e4c9986SGeorge Wilson metaslab_group_stats(uintptr_t addr, int spa_flags) 13512e4c9986SGeorge Wilson { 13522e4c9986SGeorge Wilson mdb_metaslab_group_t mg; 13532e4c9986SGeorge Wilson if (mdb_ctf_vread(&mg, "metaslab_group_t", "mdb_metaslab_group_t", 13542e4c9986SGeorge Wilson (uintptr_t)addr, 0) == -1) { 13552e4c9986SGeorge Wilson mdb_warn("failed to read vdev_mg at %p\n", addr); 13562e4c9986SGeorge Wilson return (DCMD_ERR); 13572e4c9986SGeorge Wilson } 13582e4c9986SGeorge Wilson 13592e4c9986SGeorge Wilson mdb_inc_indent(4); 13602e4c9986SGeorge Wilson mdb_printf("%<u>%-?s %15s%</u>\n", "ADDR", "FRAGMENTATION"); 13612e4c9986SGeorge Wilson if (mg.mg_fragmentation == ZFS_FRAG_INVALID) 13622e4c9986SGeorge Wilson mdb_printf("%0?p %15s\n", addr, "-"); 13632e4c9986SGeorge Wilson else 13642e4c9986SGeorge Wilson mdb_printf("%0?p %15llu%%\n", addr, mg.mg_fragmentation); 13652e4c9986SGeorge Wilson 13662e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_HISTOGRAMS) 13672e4c9986SGeorge Wilson dump_histogram(mg.mg_histogram, RANGE_TREE_HISTOGRAM_SIZE, 0); 13682e4c9986SGeorge Wilson mdb_dec_indent(4); 13692e4c9986SGeorge Wilson return (DCMD_OK); 13702e4c9986SGeorge Wilson } 13712e4c9986SGeorge Wilson 1372fa9e4066Sahrens /* 1373fa9e4066Sahrens * ::vdev 1374fa9e4066Sahrens * 1375fa9e4066Sahrens * Print out a summarized vdev_t, in the following form: 1376fa9e4066Sahrens * 1377fa9e4066Sahrens * ADDR STATE AUX DESC 1378fa9e4066Sahrens * fffffffbcde23df0 HEALTHY - /dev/dsk/c0t0d0 1379fa9e4066Sahrens * 1380fa9e4066Sahrens * If '-r' is specified, recursively visit all children. 1381fa9e4066Sahrens * 1382fa9e4066Sahrens * With '-e', the statistics associated with the vdev are printed as well. 1383fa9e4066Sahrens */ 1384fa9e4066Sahrens static int 13852e4c9986SGeorge Wilson do_print_vdev(uintptr_t addr, int flags, int depth, boolean_t recursive, 13862e4c9986SGeorge Wilson int spa_flags) 1387fa9e4066Sahrens { 1388fa9e4066Sahrens vdev_t vdev; 1389fa9e4066Sahrens char desc[MAXNAMELEN]; 1390fa9e4066Sahrens int c, children; 1391fa9e4066Sahrens uintptr_t *child; 1392fa9e4066Sahrens const char *state, *aux; 1393fa9e4066Sahrens 1394fa9e4066Sahrens if (mdb_vread(&vdev, sizeof (vdev), (uintptr_t)addr) == -1) { 1395fa9e4066Sahrens mdb_warn("failed to read vdev_t at %p\n", (uintptr_t)addr); 1396fa9e4066Sahrens return (DCMD_ERR); 1397fa9e4066Sahrens } 1398fa9e4066Sahrens 1399fa9e4066Sahrens if (flags & DCMD_PIPE_OUT) { 1400b4952e17SGeorge Wilson mdb_printf("%#lr\n", addr); 1401fa9e4066Sahrens } else { 1402fa9e4066Sahrens if (vdev.vdev_path != NULL) { 1403fa9e4066Sahrens if (mdb_readstr(desc, sizeof (desc), 1404fa9e4066Sahrens (uintptr_t)vdev.vdev_path) == -1) { 1405fa9e4066Sahrens mdb_warn("failed to read vdev_path at %p\n", 1406fa9e4066Sahrens vdev.vdev_path); 1407fa9e4066Sahrens return (DCMD_ERR); 1408fa9e4066Sahrens } 1409fa9e4066Sahrens } else if (vdev.vdev_ops != NULL) { 1410fa9e4066Sahrens vdev_ops_t ops; 1411fa9e4066Sahrens if (mdb_vread(&ops, sizeof (ops), 1412fa9e4066Sahrens (uintptr_t)vdev.vdev_ops) == -1) { 1413fa9e4066Sahrens mdb_warn("failed to read vdev_ops at %p\n", 1414fa9e4066Sahrens vdev.vdev_ops); 1415fa9e4066Sahrens return (DCMD_ERR); 1416fa9e4066Sahrens } 1417fa9e4066Sahrens (void) strcpy(desc, ops.vdev_op_type); 1418fa9e4066Sahrens } else { 1419fa9e4066Sahrens (void) strcpy(desc, "<unknown>"); 1420fa9e4066Sahrens } 1421fa9e4066Sahrens 1422fa9e4066Sahrens if (depth == 0 && DCMD_HDRSPEC(flags)) 1423fa9e4066Sahrens mdb_printf("%<u>%-?s %-9s %-12s %-*s%</u>\n", 1424fa9e4066Sahrens "ADDR", "STATE", "AUX", 1425fa9e4066Sahrens sizeof (uintptr_t) == 4 ? 43 : 35, 1426fa9e4066Sahrens "DESCRIPTION"); 1427fa9e4066Sahrens 1428fa9e4066Sahrens mdb_printf("%0?p ", addr); 1429fa9e4066Sahrens 1430fa9e4066Sahrens switch (vdev.vdev_state) { 1431fa9e4066Sahrens case VDEV_STATE_CLOSED: 1432ccae0b50Seschrock state = "CLOSED"; 1433ccae0b50Seschrock break; 1434fa9e4066Sahrens case VDEV_STATE_OFFLINE: 1435ccae0b50Seschrock state = "OFFLINE"; 1436ccae0b50Seschrock break; 1437fa9e4066Sahrens case VDEV_STATE_CANT_OPEN: 1438ccae0b50Seschrock state = "CANT_OPEN"; 1439ccae0b50Seschrock break; 1440fa9e4066Sahrens case VDEV_STATE_DEGRADED: 1441ccae0b50Seschrock state = "DEGRADED"; 1442ccae0b50Seschrock break; 1443fa9e4066Sahrens case VDEV_STATE_HEALTHY: 1444ccae0b50Seschrock state = "HEALTHY"; 1445ccae0b50Seschrock break; 14463d7072f8Seschrock case VDEV_STATE_REMOVED: 14473d7072f8Seschrock state = "REMOVED"; 14483d7072f8Seschrock break; 14493d7072f8Seschrock case VDEV_STATE_FAULTED: 14503d7072f8Seschrock state = "FAULTED"; 14513d7072f8Seschrock break; 1452fa9e4066Sahrens default: 1453ccae0b50Seschrock state = "UNKNOWN"; 1454ccae0b50Seschrock break; 1455fa9e4066Sahrens } 1456fa9e4066Sahrens 1457fa9e4066Sahrens switch (vdev.vdev_stat.vs_aux) { 1458fa9e4066Sahrens case VDEV_AUX_NONE: 1459fa9e4066Sahrens aux = "-"; 1460fa9e4066Sahrens break; 1461fa9e4066Sahrens case VDEV_AUX_OPEN_FAILED: 1462fa9e4066Sahrens aux = "OPEN_FAILED"; 1463fa9e4066Sahrens break; 1464fa9e4066Sahrens case VDEV_AUX_CORRUPT_DATA: 1465fa9e4066Sahrens aux = "CORRUPT_DATA"; 1466fa9e4066Sahrens break; 1467fa9e4066Sahrens case VDEV_AUX_NO_REPLICAS: 1468fa9e4066Sahrens aux = "NO_REPLICAS"; 1469fa9e4066Sahrens break; 1470fa9e4066Sahrens case VDEV_AUX_BAD_GUID_SUM: 1471fa9e4066Sahrens aux = "BAD_GUID_SUM"; 1472fa9e4066Sahrens break; 1473fa9e4066Sahrens case VDEV_AUX_TOO_SMALL: 1474fa9e4066Sahrens aux = "TOO_SMALL"; 1475fa9e4066Sahrens break; 1476fa9e4066Sahrens case VDEV_AUX_BAD_LABEL: 1477fa9e4066Sahrens aux = "BAD_LABEL"; 1478fa9e4066Sahrens break; 1479b87f3af3Sperrin case VDEV_AUX_VERSION_NEWER: 1480b87f3af3Sperrin aux = "VERS_NEWER"; 1481b87f3af3Sperrin break; 1482b87f3af3Sperrin case VDEV_AUX_VERSION_OLDER: 1483b87f3af3Sperrin aux = "VERS_OLDER"; 1484b87f3af3Sperrin break; 1485ad135b5dSChristopher Siden case VDEV_AUX_UNSUP_FEAT: 1486ad135b5dSChristopher Siden aux = "UNSUP_FEAT"; 1487ad135b5dSChristopher Siden break; 1488b87f3af3Sperrin case VDEV_AUX_SPARED: 1489b87f3af3Sperrin aux = "SPARED"; 1490b87f3af3Sperrin break; 1491b87f3af3Sperrin case VDEV_AUX_ERR_EXCEEDED: 1492b87f3af3Sperrin aux = "ERR_EXCEEDED"; 1493b87f3af3Sperrin break; 1494b87f3af3Sperrin case VDEV_AUX_IO_FAILURE: 1495b87f3af3Sperrin aux = "IO_FAILURE"; 1496b87f3af3Sperrin break; 1497b87f3af3Sperrin case VDEV_AUX_BAD_LOG: 1498b87f3af3Sperrin aux = "BAD_LOG"; 1499b87f3af3Sperrin break; 15001195e687SMark J Musante case VDEV_AUX_EXTERNAL: 15011195e687SMark J Musante aux = "EXTERNAL"; 15021195e687SMark J Musante break; 15031195e687SMark J Musante case VDEV_AUX_SPLIT_POOL: 15041195e687SMark J Musante aux = "SPLIT_POOL"; 15051195e687SMark J Musante break; 1506fa9e4066Sahrens default: 1507fa9e4066Sahrens aux = "UNKNOWN"; 1508fa9e4066Sahrens break; 1509fa9e4066Sahrens } 1510fa9e4066Sahrens 1511fa9e4066Sahrens mdb_printf("%-9s %-12s %*s%s\n", state, aux, depth, "", desc); 1512fa9e4066Sahrens 15132e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_ERRORS) { 1514fa9e4066Sahrens vdev_stat_t *vs = &vdev.vdev_stat; 1515fa9e4066Sahrens int i; 1516fa9e4066Sahrens 1517fa9e4066Sahrens mdb_inc_indent(4); 1518fa9e4066Sahrens mdb_printf("\n"); 1519fa9e4066Sahrens mdb_printf("%<u> %12s %12s %12s %12s " 1520fa9e4066Sahrens "%12s%</u>\n", "READ", "WRITE", "FREE", "CLAIM", 1521fa9e4066Sahrens "IOCTL"); 1522fa9e4066Sahrens mdb_printf("OPS "); 1523fa9e4066Sahrens for (i = 1; i < ZIO_TYPES; i++) 1524fa9e4066Sahrens mdb_printf("%11#llx%s", vs->vs_ops[i], 1525fa9e4066Sahrens i == ZIO_TYPES - 1 ? "" : " "); 1526fa9e4066Sahrens mdb_printf("\n"); 1527fa9e4066Sahrens mdb_printf("BYTES "); 1528fa9e4066Sahrens for (i = 1; i < ZIO_TYPES; i++) 1529fa9e4066Sahrens mdb_printf("%11#llx%s", vs->vs_bytes[i], 1530fa9e4066Sahrens i == ZIO_TYPES - 1 ? "" : " "); 1531fa9e4066Sahrens 1532fa9e4066Sahrens 1533fa9e4066Sahrens mdb_printf("\n"); 1534fa9e4066Sahrens mdb_printf("EREAD %10#llx\n", vs->vs_read_errors); 1535fa9e4066Sahrens mdb_printf("EWRITE %10#llx\n", vs->vs_write_errors); 1536fa9e4066Sahrens mdb_printf("ECKSUM %10#llx\n", 1537fa9e4066Sahrens vs->vs_checksum_errors); 1538fa9e4066Sahrens mdb_dec_indent(4); 15392e4c9986SGeorge Wilson mdb_printf("\n"); 1540fa9e4066Sahrens } 1541fa9e4066Sahrens 15422e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_METASLAB_GROUPS && 15432e4c9986SGeorge Wilson vdev.vdev_mg != NULL) { 15442e4c9986SGeorge Wilson metaslab_group_stats((uintptr_t)vdev.vdev_mg, 15452e4c9986SGeorge Wilson spa_flags); 15462e4c9986SGeorge Wilson } 15472e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_METASLABS && vdev.vdev_ms != NULL) { 15482e4c9986SGeorge Wilson metaslab_stats((uintptr_t)addr, spa_flags); 15492e4c9986SGeorge Wilson } 1550fa9e4066Sahrens } 1551fa9e4066Sahrens 1552fa9e4066Sahrens children = vdev.vdev_children; 1553fa9e4066Sahrens 1554fa9e4066Sahrens if (children == 0 || !recursive) 1555fa9e4066Sahrens return (DCMD_OK); 1556fa9e4066Sahrens 1557fa9e4066Sahrens child = mdb_alloc(children * sizeof (void *), UM_SLEEP | UM_GC); 1558fa9e4066Sahrens if (mdb_vread(child, children * sizeof (void *), 1559fa9e4066Sahrens (uintptr_t)vdev.vdev_child) == -1) { 1560fa9e4066Sahrens mdb_warn("failed to read vdev children at %p", vdev.vdev_child); 1561fa9e4066Sahrens return (DCMD_ERR); 1562fa9e4066Sahrens } 1563fa9e4066Sahrens 1564fa9e4066Sahrens for (c = 0; c < children; c++) { 15652e4c9986SGeorge Wilson if (do_print_vdev(child[c], flags, depth + 2, recursive, 15662e4c9986SGeorge Wilson spa_flags)) { 1567fa9e4066Sahrens return (DCMD_ERR); 15682e4c9986SGeorge Wilson } 1569fa9e4066Sahrens } 1570fa9e4066Sahrens 1571fa9e4066Sahrens return (DCMD_OK); 1572fa9e4066Sahrens } 1573fa9e4066Sahrens 1574fa9e4066Sahrens static int 1575fa9e4066Sahrens vdev_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1576fa9e4066Sahrens { 1577c5904d13Seschrock uint64_t depth = 0; 15782e4c9986SGeorge Wilson boolean_t recursive = B_FALSE; 15792e4c9986SGeorge Wilson int spa_flags = 0; 1580fa9e4066Sahrens 1581fa9e4066Sahrens if (mdb_getopts(argc, argv, 15822e4c9986SGeorge Wilson 'e', MDB_OPT_SETBITS, SPA_FLAG_ERRORS, &spa_flags, 15832e4c9986SGeorge Wilson 'm', MDB_OPT_SETBITS, SPA_FLAG_METASLABS, &spa_flags, 15842e4c9986SGeorge Wilson 'M', MDB_OPT_SETBITS, SPA_FLAG_METASLAB_GROUPS, &spa_flags, 15852e4c9986SGeorge Wilson 'h', MDB_OPT_SETBITS, SPA_FLAG_HISTOGRAMS, &spa_flags, 1586fa9e4066Sahrens 'r', MDB_OPT_SETBITS, TRUE, &recursive, 15872e4c9986SGeorge Wilson 'd', MDB_OPT_UINT64, &depth, NULL) != argc) 1588fa9e4066Sahrens return (DCMD_USAGE); 1589fa9e4066Sahrens 1590fa9e4066Sahrens if (!(flags & DCMD_ADDRSPEC)) { 1591fa9e4066Sahrens mdb_warn("no vdev_t address given\n"); 1592fa9e4066Sahrens return (DCMD_ERR); 1593fa9e4066Sahrens } 1594fa9e4066Sahrens 15952e4c9986SGeorge Wilson return (do_print_vdev(addr, flags, (int)depth, recursive, spa_flags)); 1596fa9e4066Sahrens } 1597fa9e4066Sahrens 15985f5f7a6fSahrens typedef struct metaslab_walk_data { 15995f5f7a6fSahrens uint64_t mw_numvdevs; 16005f5f7a6fSahrens uintptr_t *mw_vdevs; 16015f5f7a6fSahrens int mw_curvdev; 16025f5f7a6fSahrens uint64_t mw_nummss; 16035f5f7a6fSahrens uintptr_t *mw_mss; 16045f5f7a6fSahrens int mw_curms; 16055f5f7a6fSahrens } metaslab_walk_data_t; 16065f5f7a6fSahrens 16075f5f7a6fSahrens static int 16085f5f7a6fSahrens metaslab_walk_step(mdb_walk_state_t *wsp) 16095f5f7a6fSahrens { 16105f5f7a6fSahrens metaslab_walk_data_t *mw = wsp->walk_data; 16115f5f7a6fSahrens metaslab_t ms; 16125f5f7a6fSahrens uintptr_t msp; 16135f5f7a6fSahrens 16145f5f7a6fSahrens if (mw->mw_curvdev >= mw->mw_numvdevs) 16155f5f7a6fSahrens return (WALK_DONE); 16165f5f7a6fSahrens 16175f5f7a6fSahrens if (mw->mw_mss == NULL) { 16185f5f7a6fSahrens uintptr_t mssp; 16195f5f7a6fSahrens uintptr_t vdevp; 16205f5f7a6fSahrens 16215f5f7a6fSahrens ASSERT(mw->mw_curms == 0); 16225f5f7a6fSahrens ASSERT(mw->mw_nummss == 0); 16235f5f7a6fSahrens 16245f5f7a6fSahrens vdevp = mw->mw_vdevs[mw->mw_curvdev]; 162528e4da25SMatthew Ahrens if (GETMEMB(vdevp, "vdev", vdev_ms, mssp) || 162628e4da25SMatthew Ahrens GETMEMB(vdevp, "vdev", vdev_ms_count, mw->mw_nummss)) { 16275f5f7a6fSahrens return (WALK_ERR); 16285f5f7a6fSahrens } 16295f5f7a6fSahrens 16305f5f7a6fSahrens mw->mw_mss = mdb_alloc(mw->mw_nummss * sizeof (void*), 16315f5f7a6fSahrens UM_SLEEP | UM_GC); 16325f5f7a6fSahrens if (mdb_vread(mw->mw_mss, mw->mw_nummss * sizeof (void*), 16335f5f7a6fSahrens mssp) == -1) { 16345f5f7a6fSahrens mdb_warn("failed to read vdev_ms at %p", mssp); 16355f5f7a6fSahrens return (WALK_ERR); 16365f5f7a6fSahrens } 16375f5f7a6fSahrens } 16385f5f7a6fSahrens 16395f5f7a6fSahrens if (mw->mw_curms >= mw->mw_nummss) { 16405f5f7a6fSahrens mw->mw_mss = NULL; 16415f5f7a6fSahrens mw->mw_curms = 0; 16425f5f7a6fSahrens mw->mw_nummss = 0; 16435f5f7a6fSahrens mw->mw_curvdev++; 16445f5f7a6fSahrens return (WALK_NEXT); 16455f5f7a6fSahrens } 16465f5f7a6fSahrens 16475f5f7a6fSahrens msp = mw->mw_mss[mw->mw_curms]; 16485f5f7a6fSahrens if (mdb_vread(&ms, sizeof (metaslab_t), msp) == -1) { 16495f5f7a6fSahrens mdb_warn("failed to read metaslab_t at %p", msp); 16505f5f7a6fSahrens return (WALK_ERR); 16515f5f7a6fSahrens } 16525f5f7a6fSahrens 16535f5f7a6fSahrens mw->mw_curms++; 16545f5f7a6fSahrens 16555f5f7a6fSahrens return (wsp->walk_callback(msp, &ms, wsp->walk_cbdata)); 16565f5f7a6fSahrens } 16575f5f7a6fSahrens 16585f5f7a6fSahrens /* ARGSUSED */ 16595f5f7a6fSahrens static int 16605f5f7a6fSahrens metaslab_walk_init(mdb_walk_state_t *wsp) 16615f5f7a6fSahrens { 16625f5f7a6fSahrens metaslab_walk_data_t *mw; 16635f5f7a6fSahrens uintptr_t root_vdevp; 16645f5f7a6fSahrens uintptr_t childp; 16655f5f7a6fSahrens 16665f5f7a6fSahrens if (wsp->walk_addr == NULL) { 16675f5f7a6fSahrens mdb_warn("must supply address of spa_t\n"); 16685f5f7a6fSahrens return (WALK_ERR); 16695f5f7a6fSahrens } 16705f5f7a6fSahrens 16715f5f7a6fSahrens mw = mdb_zalloc(sizeof (metaslab_walk_data_t), UM_SLEEP | UM_GC); 16725f5f7a6fSahrens 167328e4da25SMatthew Ahrens if (GETMEMB(wsp->walk_addr, "spa", spa_root_vdev, root_vdevp) || 167428e4da25SMatthew Ahrens GETMEMB(root_vdevp, "vdev", vdev_children, mw->mw_numvdevs) || 167528e4da25SMatthew Ahrens GETMEMB(root_vdevp, "vdev", vdev_child, childp)) { 16765f5f7a6fSahrens return (DCMD_ERR); 16775f5f7a6fSahrens } 16785f5f7a6fSahrens 16795f5f7a6fSahrens mw->mw_vdevs = mdb_alloc(mw->mw_numvdevs * sizeof (void *), 16805f5f7a6fSahrens UM_SLEEP | UM_GC); 16815f5f7a6fSahrens if (mdb_vread(mw->mw_vdevs, mw->mw_numvdevs * sizeof (void *), 16825f5f7a6fSahrens childp) == -1) { 16835f5f7a6fSahrens mdb_warn("failed to read root vdev children at %p", childp); 16845f5f7a6fSahrens return (DCMD_ERR); 16855f5f7a6fSahrens } 16865f5f7a6fSahrens 16875f5f7a6fSahrens wsp->walk_data = mw; 16885f5f7a6fSahrens 16895f5f7a6fSahrens return (WALK_NEXT); 16905f5f7a6fSahrens } 16915f5f7a6fSahrens 1692fa9e4066Sahrens typedef struct mdb_spa { 1693fa9e4066Sahrens uintptr_t spa_dsl_pool; 1694fa9e4066Sahrens uintptr_t spa_root_vdev; 1695fa9e4066Sahrens } mdb_spa_t; 1696fa9e4066Sahrens 16972515f5d4SJustin T. Gibbs typedef struct mdb_dsl_pool { 16982515f5d4SJustin T. Gibbs uintptr_t dp_root_dir; 16992515f5d4SJustin T. Gibbs } mdb_dsl_pool_t; 17002515f5d4SJustin T. Gibbs 1701fa9e4066Sahrens typedef struct mdb_dsl_dir { 17022515f5d4SJustin T. Gibbs uintptr_t dd_dbuf; 1703fa9e4066Sahrens int64_t dd_space_towrite[TXG_SIZE]; 1704fa9e4066Sahrens } mdb_dsl_dir_t; 1705fa9e4066Sahrens 1706fa9e4066Sahrens typedef struct mdb_dsl_dir_phys { 1707fa9e4066Sahrens uint64_t dd_used_bytes; 1708fa9e4066Sahrens uint64_t dd_compressed_bytes; 1709fa9e4066Sahrens uint64_t dd_uncompressed_bytes; 1710fa9e4066Sahrens } mdb_dsl_dir_phys_t; 1711fa9e4066Sahrens 17125f5f7a6fSahrens typedef struct space_data { 17130713e232SGeorge Wilson uint64_t ms_alloctree[TXG_SIZE]; 17140713e232SGeorge Wilson uint64_t ms_freetree[TXG_SIZE]; 17150713e232SGeorge Wilson uint64_t ms_tree; 17165f5f7a6fSahrens uint64_t avail; 17175f5f7a6fSahrens uint64_t nowavail; 17185f5f7a6fSahrens } space_data_t; 17195f5f7a6fSahrens 17205f5f7a6fSahrens /* ARGSUSED */ 17215f5f7a6fSahrens static int 17225f5f7a6fSahrens space_cb(uintptr_t addr, const void *unknown, void *arg) 17235f5f7a6fSahrens { 17245f5f7a6fSahrens space_data_t *sd = arg; 17255f5f7a6fSahrens mdb_metaslab_t ms; 17260713e232SGeorge Wilson mdb_range_tree_t rt; 17272e4c9986SGeorge Wilson mdb_space_map_t sm = { 0 }; 17280713e232SGeorge Wilson mdb_space_map_phys_t smp = { 0 }; 17290713e232SGeorge Wilson int i; 17300713e232SGeorge Wilson 17310713e232SGeorge Wilson if (mdb_ctf_vread(&ms, "metaslab_t", "mdb_metaslab_t", 17320713e232SGeorge Wilson addr, 0) == -1) 17330713e232SGeorge Wilson return (WALK_ERR); 17340713e232SGeorge Wilson 17350713e232SGeorge Wilson for (i = 0; i < TXG_SIZE; i++) { 17360713e232SGeorge Wilson if (mdb_ctf_vread(&rt, "range_tree_t", 17370713e232SGeorge Wilson "mdb_range_tree_t", ms.ms_alloctree[i], 0) == -1) 17382e4c9986SGeorge Wilson return (WALK_ERR); 17392e4c9986SGeorge Wilson 17400713e232SGeorge Wilson sd->ms_alloctree[i] += rt.rt_space; 17415f5f7a6fSahrens 17420713e232SGeorge Wilson if (mdb_ctf_vread(&rt, "range_tree_t", 17430713e232SGeorge Wilson "mdb_range_tree_t", ms.ms_freetree[i], 0) == -1) 17442e4c9986SGeorge Wilson return (WALK_ERR); 17452e4c9986SGeorge Wilson 17460713e232SGeorge Wilson sd->ms_freetree[i] += rt.rt_space; 17470713e232SGeorge Wilson } 17480713e232SGeorge Wilson 17490713e232SGeorge Wilson if (mdb_ctf_vread(&rt, "range_tree_t", 17502e4c9986SGeorge Wilson "mdb_range_tree_t", ms.ms_tree, 0) == -1) 17512e4c9986SGeorge Wilson return (WALK_ERR); 17522e4c9986SGeorge Wilson 17532e4c9986SGeorge Wilson if (ms.ms_sm != NULL && 17540713e232SGeorge Wilson mdb_ctf_vread(&sm, "space_map_t", 17550713e232SGeorge Wilson "mdb_space_map_t", ms.ms_sm, 0) == -1) 17565f5f7a6fSahrens return (WALK_ERR); 17570713e232SGeorge Wilson 17580713e232SGeorge Wilson if (sm.sm_phys != NULL) { 17590713e232SGeorge Wilson (void) mdb_ctf_vread(&smp, "space_map_phys_t", 17600713e232SGeorge Wilson "mdb_space_map_phys_t", sm.sm_phys, 0); 17615f5f7a6fSahrens } 17625f5f7a6fSahrens 17630713e232SGeorge Wilson sd->ms_tree += rt.rt_space; 17640713e232SGeorge Wilson sd->avail += sm.sm_size - sm.sm_alloc; 17650713e232SGeorge Wilson sd->nowavail += sm.sm_size - smp.smp_alloc; 17665f5f7a6fSahrens 17675f5f7a6fSahrens return (WALK_NEXT); 17685f5f7a6fSahrens } 17695f5f7a6fSahrens 1770fa9e4066Sahrens /* 1771fa9e4066Sahrens * ::spa_space [-b] 1772fa9e4066Sahrens * 1773fa9e4066Sahrens * Given a spa_t, print out it's on-disk space usage and in-core 1774fa9e4066Sahrens * estimates of future usage. If -b is given, print space in bytes. 1775fa9e4066Sahrens * Otherwise print in megabytes. 1776fa9e4066Sahrens */ 1777fa9e4066Sahrens /* ARGSUSED */ 1778fa9e4066Sahrens static int 1779fa9e4066Sahrens spa_space(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1780fa9e4066Sahrens { 1781fa9e4066Sahrens mdb_spa_t spa; 17822515f5d4SJustin T. Gibbs mdb_dsl_pool_t dp; 1783fa9e4066Sahrens mdb_dsl_dir_t dd; 17842515f5d4SJustin T. Gibbs mdb_dmu_buf_impl_t db; 1785fa9e4066Sahrens mdb_dsl_dir_phys_t dsp; 17865f5f7a6fSahrens space_data_t sd; 1787fa9e4066Sahrens int shift = 20; 1788fa9e4066Sahrens char *suffix = "M"; 178928e4da25SMatthew Ahrens int bytes = B_FALSE; 1790fa9e4066Sahrens 179128e4da25SMatthew Ahrens if (mdb_getopts(argc, argv, 'b', MDB_OPT_SETBITS, TRUE, &bytes, NULL) != 1792fa9e4066Sahrens argc) 1793fa9e4066Sahrens return (DCMD_USAGE); 1794fa9e4066Sahrens if (!(flags & DCMD_ADDRSPEC)) 1795fa9e4066Sahrens return (DCMD_USAGE); 1796fa9e4066Sahrens 179728e4da25SMatthew Ahrens if (bytes) { 1798fa9e4066Sahrens shift = 0; 1799fa9e4066Sahrens suffix = ""; 1800fa9e4066Sahrens } 1801fa9e4066Sahrens 18022515f5d4SJustin T. Gibbs if (mdb_ctf_vread(&spa, ZFS_STRUCT "spa", "mdb_spa_t", 18032515f5d4SJustin T. Gibbs addr, 0) == -1 || 18042515f5d4SJustin T. Gibbs mdb_ctf_vread(&dp, ZFS_STRUCT "dsl_pool", "mdb_dsl_pool_t", 18052515f5d4SJustin T. Gibbs spa.spa_dsl_pool, 0) == -1 || 18062515f5d4SJustin T. Gibbs mdb_ctf_vread(&dd, ZFS_STRUCT "dsl_dir", "mdb_dsl_dir_t", 18072515f5d4SJustin T. Gibbs dp.dp_root_dir, 0) == -1 || 18082515f5d4SJustin T. Gibbs mdb_ctf_vread(&db, ZFS_STRUCT "dmu_buf_impl", "mdb_dmu_buf_impl_t", 18092515f5d4SJustin T. Gibbs dd.dd_dbuf, 0) == -1 || 18102515f5d4SJustin T. Gibbs mdb_ctf_vread(&dsp, ZFS_STRUCT "dsl_dir_phys", 18112515f5d4SJustin T. Gibbs "mdb_dsl_dir_phys_t", db.db.db_data, 0) == -1) { 1812fa9e4066Sahrens return (DCMD_ERR); 1813fa9e4066Sahrens } 1814fa9e4066Sahrens 1815fa9e4066Sahrens mdb_printf("dd_space_towrite = %llu%s %llu%s %llu%s %llu%s\n", 1816fa9e4066Sahrens dd.dd_space_towrite[0] >> shift, suffix, 1817fa9e4066Sahrens dd.dd_space_towrite[1] >> shift, suffix, 1818fa9e4066Sahrens dd.dd_space_towrite[2] >> shift, suffix, 1819fa9e4066Sahrens dd.dd_space_towrite[3] >> shift, suffix); 1820fa9e4066Sahrens 1821fa9e4066Sahrens mdb_printf("dd_phys.dd_used_bytes = %llu%s\n", 1822fa9e4066Sahrens dsp.dd_used_bytes >> shift, suffix); 18235f5f7a6fSahrens mdb_printf("dd_phys.dd_compressed_bytes = %llu%s\n", 18245f5f7a6fSahrens dsp.dd_compressed_bytes >> shift, suffix); 18255f5f7a6fSahrens mdb_printf("dd_phys.dd_uncompressed_bytes = %llu%s\n", 18265f5f7a6fSahrens dsp.dd_uncompressed_bytes >> shift, suffix); 18275f5f7a6fSahrens 18285f5f7a6fSahrens bzero(&sd, sizeof (sd)); 18295f5f7a6fSahrens if (mdb_pwalk("metaslab", space_cb, &sd, addr) != 0) { 18305f5f7a6fSahrens mdb_warn("can't walk metaslabs"); 18315f5f7a6fSahrens return (DCMD_ERR); 1832fa9e4066Sahrens } 1833fa9e4066Sahrens 1834fa9e4066Sahrens mdb_printf("ms_allocmap = %llu%s %llu%s %llu%s %llu%s\n", 18350713e232SGeorge Wilson sd.ms_alloctree[0] >> shift, suffix, 18360713e232SGeorge Wilson sd.ms_alloctree[1] >> shift, suffix, 18370713e232SGeorge Wilson sd.ms_alloctree[2] >> shift, suffix, 18380713e232SGeorge Wilson sd.ms_alloctree[3] >> shift, suffix); 1839fa9e4066Sahrens mdb_printf("ms_freemap = %llu%s %llu%s %llu%s %llu%s\n", 18400713e232SGeorge Wilson sd.ms_freetree[0] >> shift, suffix, 18410713e232SGeorge Wilson sd.ms_freetree[1] >> shift, suffix, 18420713e232SGeorge Wilson sd.ms_freetree[2] >> shift, suffix, 18430713e232SGeorge Wilson sd.ms_freetree[3] >> shift, suffix); 18440713e232SGeorge Wilson mdb_printf("ms_tree = %llu%s\n", sd.ms_tree >> shift, suffix); 18455f5f7a6fSahrens mdb_printf("last synced avail = %llu%s\n", sd.avail >> shift, suffix); 18465f5f7a6fSahrens mdb_printf("current syncing avail = %llu%s\n", 18475f5f7a6fSahrens sd.nowavail >> shift, suffix); 1848fa9e4066Sahrens 1849fa9e4066Sahrens return (DCMD_OK); 1850fa9e4066Sahrens } 1851fa9e4066Sahrens 185222ce0148SMatthew Ahrens typedef struct mdb_spa_aux_vdev { 185322ce0148SMatthew Ahrens int sav_count; 185422ce0148SMatthew Ahrens uintptr_t sav_vdevs; 185522ce0148SMatthew Ahrens } mdb_spa_aux_vdev_t; 1856fa9e4066Sahrens 185722ce0148SMatthew Ahrens typedef struct mdb_spa_vdevs { 185822ce0148SMatthew Ahrens uintptr_t spa_root_vdev; 185922ce0148SMatthew Ahrens mdb_spa_aux_vdev_t spa_l2cache; 186022ce0148SMatthew Ahrens mdb_spa_aux_vdev_t spa_spares; 186122ce0148SMatthew Ahrens } mdb_spa_vdevs_t; 1862fa9e4066Sahrens 1863ec9f632eSEric Schrock static int 186422ce0148SMatthew Ahrens spa_print_aux(mdb_spa_aux_vdev_t *sav, uint_t flags, mdb_arg_t *v, 1865ec9f632eSEric Schrock const char *name) 1866ec9f632eSEric Schrock { 1867ec9f632eSEric Schrock uintptr_t *aux; 1868ec9f632eSEric Schrock size_t len; 1869ec9f632eSEric Schrock int ret, i; 1870ec9f632eSEric Schrock 1871ec9f632eSEric Schrock /* 1872ec9f632eSEric Schrock * Iterate over aux vdevs and print those out as well. This is a 1873ec9f632eSEric Schrock * little annoying because we don't have a root vdev to pass to ::vdev. 1874ec9f632eSEric Schrock * Instead, we print a single line and then call it for each child 1875ec9f632eSEric Schrock * vdev. 1876ec9f632eSEric Schrock */ 1877ec9f632eSEric Schrock if (sav->sav_count != 0) { 1878ec9f632eSEric Schrock v[1].a_type = MDB_TYPE_STRING; 1879ec9f632eSEric Schrock v[1].a_un.a_str = "-d"; 1880ec9f632eSEric Schrock v[2].a_type = MDB_TYPE_IMMEDIATE; 1881ec9f632eSEric Schrock v[2].a_un.a_val = 2; 1882ec9f632eSEric Schrock 1883ec9f632eSEric Schrock len = sav->sav_count * sizeof (uintptr_t); 1884ec9f632eSEric Schrock aux = mdb_alloc(len, UM_SLEEP); 188522ce0148SMatthew Ahrens if (mdb_vread(aux, len, sav->sav_vdevs) == -1) { 1886ec9f632eSEric Schrock mdb_free(aux, len); 1887ec9f632eSEric Schrock mdb_warn("failed to read l2cache vdevs at %p", 1888ec9f632eSEric Schrock sav->sav_vdevs); 1889ec9f632eSEric Schrock return (DCMD_ERR); 1890ec9f632eSEric Schrock } 1891ec9f632eSEric Schrock 1892ec9f632eSEric Schrock mdb_printf("%-?s %-9s %-12s %s\n", "-", "-", "-", name); 1893ec9f632eSEric Schrock 1894ec9f632eSEric Schrock for (i = 0; i < sav->sav_count; i++) { 1895ec9f632eSEric Schrock ret = mdb_call_dcmd("vdev", aux[i], flags, 3, v); 1896ec9f632eSEric Schrock if (ret != DCMD_OK) { 1897ec9f632eSEric Schrock mdb_free(aux, len); 1898ec9f632eSEric Schrock return (ret); 1899ec9f632eSEric Schrock } 1900ec9f632eSEric Schrock } 1901ec9f632eSEric Schrock 1902ec9f632eSEric Schrock mdb_free(aux, len); 1903ec9f632eSEric Schrock } 1904ec9f632eSEric Schrock 1905ec9f632eSEric Schrock return (0); 1906ec9f632eSEric Schrock } 1907ec9f632eSEric Schrock 1908fa9e4066Sahrens /* 1909fa9e4066Sahrens * ::spa_vdevs 1910fa9e4066Sahrens * 19112e4c9986SGeorge Wilson * -e Include error stats 19122e4c9986SGeorge Wilson * -m Include metaslab information 19132e4c9986SGeorge Wilson * -M Include metaslab group information 19142e4c9986SGeorge Wilson * -h Include histogram information (requires -m or -M) 1915fa9e4066Sahrens * 1916fa9e4066Sahrens * Print out a summarized list of vdevs for the given spa_t. 1917c5904d13Seschrock * This is accomplished by invoking "::vdev -re" on the root vdev, as well as 1918c5904d13Seschrock * iterating over the cache devices. 1919fa9e4066Sahrens */ 1920fa9e4066Sahrens /* ARGSUSED */ 1921fa9e4066Sahrens static int 1922fa9e4066Sahrens spa_vdevs(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1923fa9e4066Sahrens { 1924c5904d13Seschrock mdb_arg_t v[3]; 1925ec9f632eSEric Schrock int ret; 19262e4c9986SGeorge Wilson char opts[100] = "-r"; 19272e4c9986SGeorge Wilson int spa_flags = 0; 1928fa9e4066Sahrens 1929fa9e4066Sahrens if (mdb_getopts(argc, argv, 19302e4c9986SGeorge Wilson 'e', MDB_OPT_SETBITS, SPA_FLAG_ERRORS, &spa_flags, 19312e4c9986SGeorge Wilson 'm', MDB_OPT_SETBITS, SPA_FLAG_METASLABS, &spa_flags, 19322e4c9986SGeorge Wilson 'M', MDB_OPT_SETBITS, SPA_FLAG_METASLAB_GROUPS, &spa_flags, 19332e4c9986SGeorge Wilson 'h', MDB_OPT_SETBITS, SPA_FLAG_HISTOGRAMS, &spa_flags, 1934fa9e4066Sahrens NULL) != argc) 1935fa9e4066Sahrens return (DCMD_USAGE); 1936fa9e4066Sahrens 1937fa9e4066Sahrens if (!(flags & DCMD_ADDRSPEC)) 1938fa9e4066Sahrens return (DCMD_USAGE); 1939fa9e4066Sahrens 194022ce0148SMatthew Ahrens mdb_spa_vdevs_t spa; 194122ce0148SMatthew Ahrens if (mdb_ctf_vread(&spa, "spa_t", "mdb_spa_vdevs_t", addr, 0) == -1) 1942fa9e4066Sahrens return (DCMD_ERR); 1943fa9e4066Sahrens 1944088e9d47Seschrock /* 1945088e9d47Seschrock * Unitialized spa_t structures can have a NULL root vdev. 1946088e9d47Seschrock */ 1947088e9d47Seschrock if (spa.spa_root_vdev == NULL) { 1948088e9d47Seschrock mdb_printf("no associated vdevs\n"); 1949088e9d47Seschrock return (DCMD_OK); 1950088e9d47Seschrock } 1951088e9d47Seschrock 19522e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_ERRORS) 19532e4c9986SGeorge Wilson strcat(opts, "e"); 19542e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_METASLABS) 19552e4c9986SGeorge Wilson strcat(opts, "m"); 19562e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_METASLAB_GROUPS) 19572e4c9986SGeorge Wilson strcat(opts, "M"); 19582e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_HISTOGRAMS) 19592e4c9986SGeorge Wilson strcat(opts, "h"); 19602e4c9986SGeorge Wilson 1961c5904d13Seschrock v[0].a_type = MDB_TYPE_STRING; 19622e4c9986SGeorge Wilson v[0].a_un.a_str = opts; 1963fa9e4066Sahrens 1964c5904d13Seschrock ret = mdb_call_dcmd("vdev", (uintptr_t)spa.spa_root_vdev, 1965c5904d13Seschrock flags, 1, v); 1966c5904d13Seschrock if (ret != DCMD_OK) 1967c5904d13Seschrock return (ret); 1968c5904d13Seschrock 1969ec9f632eSEric Schrock if (spa_print_aux(&spa.spa_l2cache, flags, v, "cache") != 0 || 1970ec9f632eSEric Schrock spa_print_aux(&spa.spa_spares, flags, v, "spares") != 0) 1971ec9f632eSEric Schrock return (DCMD_ERR); 1972c5904d13Seschrock 1973c5904d13Seschrock return (DCMD_OK); 1974fa9e4066Sahrens } 1975fa9e4066Sahrens 1976ccae0b50Seschrock /* 1977ccae0b50Seschrock * ::zio 1978ccae0b50Seschrock * 1979ccae0b50Seschrock * Print a summary of zio_t and all its children. This is intended to display a 1980ccae0b50Seschrock * zio tree, and hence we only pick the most important pieces of information for 1981ccae0b50Seschrock * the main summary. More detailed information can always be found by doing a 1982ccae0b50Seschrock * '::print zio' on the underlying zio_t. The columns we display are: 1983ccae0b50Seschrock * 1984c55e05cbSMatthew Ahrens * ADDRESS TYPE STAGE WAITER TIME_ELAPSED 1985ccae0b50Seschrock * 1986ccae0b50Seschrock * The 'address' column is indented by one space for each depth level as we 1987ccae0b50Seschrock * descend down the tree. 1988ccae0b50Seschrock */ 1989fac3008cSeschrock 1990c55e05cbSMatthew Ahrens #define ZIO_MAXINDENT 7 1991a3f829aeSBill Moore #define ZIO_MAXWIDTH (sizeof (uintptr_t) * 2 + ZIO_MAXINDENT) 1992a3f829aeSBill Moore #define ZIO_WALK_SELF 0 1993a3f829aeSBill Moore #define ZIO_WALK_CHILD 1 1994a3f829aeSBill Moore #define ZIO_WALK_PARENT 2 1995a3f829aeSBill Moore 1996a3f829aeSBill Moore typedef struct zio_print_args { 1997a3f829aeSBill Moore int zpa_current_depth; 1998a3f829aeSBill Moore int zpa_min_depth; 1999a3f829aeSBill Moore int zpa_max_depth; 2000a3f829aeSBill Moore int zpa_type; 2001a3f829aeSBill Moore uint_t zpa_flags; 2002a3f829aeSBill Moore } zio_print_args_t; 2003a3f829aeSBill Moore 200428e4da25SMatthew Ahrens typedef struct mdb_zio { 200528e4da25SMatthew Ahrens enum zio_type io_type; 200628e4da25SMatthew Ahrens enum zio_stage io_stage; 2007d5ee8a13SMatthew Ahrens uintptr_t io_waiter; 2008d5ee8a13SMatthew Ahrens uintptr_t io_spa; 200928e4da25SMatthew Ahrens struct { 201028e4da25SMatthew Ahrens struct { 2011d5ee8a13SMatthew Ahrens uintptr_t list_next; 201228e4da25SMatthew Ahrens } list_head; 201328e4da25SMatthew Ahrens } io_parent_list; 201428e4da25SMatthew Ahrens int io_error; 201528e4da25SMatthew Ahrens } mdb_zio_t; 201628e4da25SMatthew Ahrens 2017c55e05cbSMatthew Ahrens typedef struct mdb_zio_timestamp { 2018c55e05cbSMatthew Ahrens hrtime_t io_timestamp; 2019c55e05cbSMatthew Ahrens } mdb_zio_timestamp_t; 2020c55e05cbSMatthew Ahrens 2021a3f829aeSBill Moore static int zio_child_cb(uintptr_t addr, const void *unknown, void *arg); 2022fac3008cSeschrock 2023ccae0b50Seschrock static int 2024c55e05cbSMatthew Ahrens zio_print_cb(uintptr_t addr, zio_print_args_t *zpa) 2025ccae0b50Seschrock { 2026ccae0b50Seschrock mdb_ctf_id_t type_enum, stage_enum; 2027a3f829aeSBill Moore int indent = zpa->zpa_current_depth; 2028ccae0b50Seschrock const char *type, *stage; 2029a3f829aeSBill Moore uintptr_t laddr; 2030c55e05cbSMatthew Ahrens mdb_zio_t zio; 2031c55e05cbSMatthew Ahrens mdb_zio_timestamp_t zio_timestamp = { 0 }; 2032c55e05cbSMatthew Ahrens 2033c55e05cbSMatthew Ahrens if (mdb_ctf_vread(&zio, ZFS_STRUCT "zio", "mdb_zio_t", addr, 0) == -1) 2034c55e05cbSMatthew Ahrens return (WALK_ERR); 2035c55e05cbSMatthew Ahrens (void) mdb_ctf_vread(&zio_timestamp, ZFS_STRUCT "zio", 2036c55e05cbSMatthew Ahrens "mdb_zio_timestamp_t", addr, MDB_CTF_VREAD_QUIET); 2037ccae0b50Seschrock 2038a3f829aeSBill Moore if (indent > ZIO_MAXINDENT) 2039a3f829aeSBill Moore indent = ZIO_MAXINDENT; 2040ccae0b50Seschrock 2041ccae0b50Seschrock if (mdb_ctf_lookup_by_name("enum zio_type", &type_enum) == -1 || 2042ccae0b50Seschrock mdb_ctf_lookup_by_name("enum zio_stage", &stage_enum) == -1) { 2043ccae0b50Seschrock mdb_warn("failed to lookup zio enums"); 2044ccae0b50Seschrock return (WALK_ERR); 2045ccae0b50Seschrock } 2046ccae0b50Seschrock 2047c55e05cbSMatthew Ahrens if ((type = mdb_ctf_enum_name(type_enum, zio.io_type)) != NULL) 2048ccae0b50Seschrock type += sizeof ("ZIO_TYPE_") - 1; 2049ccae0b50Seschrock else 2050ccae0b50Seschrock type = "?"; 2051ccae0b50Seschrock 2052c55e05cbSMatthew Ahrens if (zio.io_error == 0) { 2053c55e05cbSMatthew Ahrens stage = mdb_ctf_enum_name(stage_enum, zio.io_stage); 205428e4da25SMatthew Ahrens if (stage != NULL) 205528e4da25SMatthew Ahrens stage += sizeof ("ZIO_STAGE_") - 1; 205628e4da25SMatthew Ahrens else 205728e4da25SMatthew Ahrens stage = "?"; 205828e4da25SMatthew Ahrens } else { 205928e4da25SMatthew Ahrens stage = "FAILED"; 206028e4da25SMatthew Ahrens } 2061ccae0b50Seschrock 2062a3f829aeSBill Moore if (zpa->zpa_current_depth >= zpa->zpa_min_depth) { 2063a3f829aeSBill Moore if (zpa->zpa_flags & DCMD_PIPE_OUT) { 2064a3f829aeSBill Moore mdb_printf("%?p\n", addr); 2065a3f829aeSBill Moore } else { 2066a3f829aeSBill Moore mdb_printf("%*s%-*p %-5s %-16s ", indent, "", 2067a3f829aeSBill Moore ZIO_MAXWIDTH - indent, addr, type, stage); 2068d5ee8a13SMatthew Ahrens if (zio.io_waiter != 0) 2069d5ee8a13SMatthew Ahrens mdb_printf("%-16lx ", zio.io_waiter); 2070a3f829aeSBill Moore else 2071c55e05cbSMatthew Ahrens mdb_printf("%-16s ", "-"); 2072c55e05cbSMatthew Ahrens #ifdef _KERNEL 2073c55e05cbSMatthew Ahrens if (zio_timestamp.io_timestamp != 0) { 2074c55e05cbSMatthew Ahrens mdb_printf("%llums", (mdb_gethrtime() - 2075c55e05cbSMatthew Ahrens zio_timestamp.io_timestamp) / 2076c55e05cbSMatthew Ahrens 1000000); 2077c55e05cbSMatthew Ahrens } else { 2078c55e05cbSMatthew Ahrens mdb_printf("%-12s ", "-"); 2079c55e05cbSMatthew Ahrens } 2080c55e05cbSMatthew Ahrens #else 2081c55e05cbSMatthew Ahrens mdb_printf("%-12s ", "-"); 2082c55e05cbSMatthew Ahrens #endif 2083c55e05cbSMatthew Ahrens mdb_printf("\n"); 2084a3f829aeSBill Moore } 2085a3f829aeSBill Moore } 2086a3f829aeSBill Moore 2087a3f829aeSBill Moore if (zpa->zpa_current_depth >= zpa->zpa_max_depth) 2088a3f829aeSBill Moore return (WALK_NEXT); 2089ccae0b50Seschrock 2090a3f829aeSBill Moore if (zpa->zpa_type == ZIO_WALK_PARENT) 209128e4da25SMatthew Ahrens laddr = addr + mdb_ctf_offsetof_by_name(ZFS_STRUCT "zio", 209228e4da25SMatthew Ahrens "io_parent_list"); 2093ccae0b50Seschrock else 209428e4da25SMatthew Ahrens laddr = addr + mdb_ctf_offsetof_by_name(ZFS_STRUCT "zio", 209528e4da25SMatthew Ahrens "io_child_list"); 2096ccae0b50Seschrock 2097a3f829aeSBill Moore zpa->zpa_current_depth++; 2098a3f829aeSBill Moore if (mdb_pwalk("list", zio_child_cb, zpa, laddr) != 0) { 2099a3f829aeSBill Moore mdb_warn("failed to walk zio_t children at %p\n", laddr); 2100ccae0b50Seschrock return (WALK_ERR); 2101ccae0b50Seschrock } 2102a3f829aeSBill Moore zpa->zpa_current_depth--; 2103ccae0b50Seschrock 2104ccae0b50Seschrock return (WALK_NEXT); 2105ccae0b50Seschrock } 2106ccae0b50Seschrock 2107a3f829aeSBill Moore /* ARGSUSED */ 2108ccae0b50Seschrock static int 2109a3f829aeSBill Moore zio_child_cb(uintptr_t addr, const void *unknown, void *arg) 2110ccae0b50Seschrock { 2111a3f829aeSBill Moore zio_link_t zl; 2112a3f829aeSBill Moore uintptr_t ziop; 2113a3f829aeSBill Moore zio_print_args_t *zpa = arg; 2114a3f829aeSBill Moore 2115a3f829aeSBill Moore if (mdb_vread(&zl, sizeof (zl), addr) == -1) { 2116a3f829aeSBill Moore mdb_warn("failed to read zio_link_t at %p", addr); 2117a3f829aeSBill Moore return (WALK_ERR); 2118a3f829aeSBill Moore } 2119a3f829aeSBill Moore 2120a3f829aeSBill Moore if (zpa->zpa_type == ZIO_WALK_PARENT) 2121a3f829aeSBill Moore ziop = (uintptr_t)zl.zl_parent; 2122a3f829aeSBill Moore else 2123a3f829aeSBill Moore ziop = (uintptr_t)zl.zl_child; 2124a3f829aeSBill Moore 212569962b56SMatthew Ahrens return (zio_print_cb(ziop, zpa)); 2126a3f829aeSBill Moore } 2127a3f829aeSBill Moore 2128a3f829aeSBill Moore /* ARGSUSED */ 2129a3f829aeSBill Moore static int 2130a3f829aeSBill Moore zio_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 2131a3f829aeSBill Moore { 2132a3f829aeSBill Moore zio_print_args_t zpa = { 0 }; 2133ccae0b50Seschrock 2134ccae0b50Seschrock if (!(flags & DCMD_ADDRSPEC)) 2135ccae0b50Seschrock return (DCMD_USAGE); 2136ccae0b50Seschrock 2137a3f829aeSBill Moore if (mdb_getopts(argc, argv, 2138a3f829aeSBill Moore 'r', MDB_OPT_SETBITS, INT_MAX, &zpa.zpa_max_depth, 2139a3f829aeSBill Moore 'c', MDB_OPT_SETBITS, ZIO_WALK_CHILD, &zpa.zpa_type, 2140a3f829aeSBill Moore 'p', MDB_OPT_SETBITS, ZIO_WALK_PARENT, &zpa.zpa_type, 2141a3f829aeSBill Moore NULL) != argc) 2142a3f829aeSBill Moore return (DCMD_USAGE); 2143a3f829aeSBill Moore 2144a3f829aeSBill Moore zpa.zpa_flags = flags; 2145a3f829aeSBill Moore if (zpa.zpa_max_depth != 0) { 2146a3f829aeSBill Moore if (zpa.zpa_type == ZIO_WALK_SELF) 2147a3f829aeSBill Moore zpa.zpa_type = ZIO_WALK_CHILD; 2148a3f829aeSBill Moore } else if (zpa.zpa_type != ZIO_WALK_SELF) { 2149a3f829aeSBill Moore zpa.zpa_min_depth = 1; 2150a3f829aeSBill Moore zpa.zpa_max_depth = 1; 2151a3f829aeSBill Moore } 2152a3f829aeSBill Moore 2153c55e05cbSMatthew Ahrens if (!(flags & DCMD_PIPE_OUT) && DCMD_HDRSPEC(flags)) { 2154c55e05cbSMatthew Ahrens mdb_printf("%<u>%-*s %-5s %-16s %-16s %-12s%</u>\n", 2155c55e05cbSMatthew Ahrens ZIO_MAXWIDTH, "ADDRESS", "TYPE", "STAGE", "WAITER", 2156c55e05cbSMatthew Ahrens "TIME_ELAPSED"); 2157c55e05cbSMatthew Ahrens } 2158fac3008cSeschrock 2159c55e05cbSMatthew Ahrens if (zio_print_cb(addr, &zpa) != WALK_NEXT) 2160ccae0b50Seschrock return (DCMD_ERR); 2161ccae0b50Seschrock 2162ccae0b50Seschrock return (DCMD_OK); 2163ccae0b50Seschrock } 2164ccae0b50Seschrock 2165ccae0b50Seschrock /* 2166ccae0b50Seschrock * [addr]::zio_state 2167ccae0b50Seschrock * 2168ccae0b50Seschrock * Print a summary of all zio_t structures on the system, or for a particular 2169ccae0b50Seschrock * pool. This is equivalent to '::walk zio_root | ::zio'. 2170ccae0b50Seschrock */ 2171ccae0b50Seschrock /*ARGSUSED*/ 2172ccae0b50Seschrock static int 2173ccae0b50Seschrock zio_state(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 2174ccae0b50Seschrock { 2175ccae0b50Seschrock /* 2176ccae0b50Seschrock * MDB will remember the last address of the pipeline, so if we don't 2177ccae0b50Seschrock * zero this we'll end up trying to walk zio structures for a 2178ccae0b50Seschrock * non-existent spa_t. 2179ccae0b50Seschrock */ 2180ccae0b50Seschrock if (!(flags & DCMD_ADDRSPEC)) 2181ccae0b50Seschrock addr = 0; 2182ccae0b50Seschrock 2183ccae0b50Seschrock return (mdb_pwalk_dcmd("zio_root", "zio", argc, argv, addr)); 2184ccae0b50Seschrock } 2185ccae0b50Seschrock 2186fa9e4066Sahrens typedef struct txg_list_walk_data { 2187fa9e4066Sahrens uintptr_t lw_head[TXG_SIZE]; 2188fa9e4066Sahrens int lw_txgoff; 2189fa9e4066Sahrens int lw_maxoff; 2190fa9e4066Sahrens size_t lw_offset; 2191fa9e4066Sahrens void *lw_obj; 2192fa9e4066Sahrens } txg_list_walk_data_t; 2193fa9e4066Sahrens 2194fa9e4066Sahrens static int 2195fa9e4066Sahrens txg_list_walk_init_common(mdb_walk_state_t *wsp, int txg, int maxoff) 2196fa9e4066Sahrens { 2197fa9e4066Sahrens txg_list_walk_data_t *lwd; 2198fa9e4066Sahrens txg_list_t list; 2199fa9e4066Sahrens int i; 2200fa9e4066Sahrens 2201fa9e4066Sahrens lwd = mdb_alloc(sizeof (txg_list_walk_data_t), UM_SLEEP | UM_GC); 2202fa9e4066Sahrens if (mdb_vread(&list, sizeof (txg_list_t), wsp->walk_addr) == -1) { 2203fa9e4066Sahrens mdb_warn("failed to read txg_list_t at %#lx", wsp->walk_addr); 2204fa9e4066Sahrens return (WALK_ERR); 2205fa9e4066Sahrens } 2206fa9e4066Sahrens 2207fa9e4066Sahrens for (i = 0; i < TXG_SIZE; i++) 2208fa9e4066Sahrens lwd->lw_head[i] = (uintptr_t)list.tl_head[i]; 2209fa9e4066Sahrens lwd->lw_offset = list.tl_offset; 2210fa9e4066Sahrens lwd->lw_obj = mdb_alloc(lwd->lw_offset + sizeof (txg_node_t), 2211fa9e4066Sahrens UM_SLEEP | UM_GC); 2212fa9e4066Sahrens lwd->lw_txgoff = txg; 2213fa9e4066Sahrens lwd->lw_maxoff = maxoff; 2214fa9e4066Sahrens 2215fa9e4066Sahrens wsp->walk_addr = lwd->lw_head[lwd->lw_txgoff]; 2216fa9e4066Sahrens wsp->walk_data = lwd; 2217fa9e4066Sahrens 2218fa9e4066Sahrens return (WALK_NEXT); 2219fa9e4066Sahrens } 2220fa9e4066Sahrens 2221fa9e4066Sahrens static int 2222fa9e4066Sahrens txg_list_walk_init(mdb_walk_state_t *wsp) 2223fa9e4066Sahrens { 2224fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 0, TXG_SIZE-1)); 2225fa9e4066Sahrens } 2226fa9e4066Sahrens 2227fa9e4066Sahrens static int 2228fa9e4066Sahrens txg_list0_walk_init(mdb_walk_state_t *wsp) 2229fa9e4066Sahrens { 2230fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 0, 0)); 2231fa9e4066Sahrens } 2232fa9e4066Sahrens 2233fa9e4066Sahrens static int 2234fa9e4066Sahrens txg_list1_walk_init(mdb_walk_state_t *wsp) 2235fa9e4066Sahrens { 2236fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 1, 1)); 2237fa9e4066Sahrens } 2238fa9e4066Sahrens 2239fa9e4066Sahrens static int 2240fa9e4066Sahrens txg_list2_walk_init(mdb_walk_state_t *wsp) 2241fa9e4066Sahrens { 2242fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 2, 2)); 2243fa9e4066Sahrens } 2244fa9e4066Sahrens 2245fa9e4066Sahrens static int 2246fa9e4066Sahrens txg_list3_walk_init(mdb_walk_state_t *wsp) 2247fa9e4066Sahrens { 2248fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 3, 3)); 2249fa9e4066Sahrens } 2250fa9e4066Sahrens 2251fa9e4066Sahrens static int 2252fa9e4066Sahrens txg_list_walk_step(mdb_walk_state_t *wsp) 2253fa9e4066Sahrens { 2254fa9e4066Sahrens txg_list_walk_data_t *lwd = wsp->walk_data; 2255fa9e4066Sahrens uintptr_t addr; 2256fa9e4066Sahrens txg_node_t *node; 2257fa9e4066Sahrens int status; 2258fa9e4066Sahrens 2259fa9e4066Sahrens while (wsp->walk_addr == NULL && lwd->lw_txgoff < lwd->lw_maxoff) { 2260fa9e4066Sahrens lwd->lw_txgoff++; 2261fa9e4066Sahrens wsp->walk_addr = lwd->lw_head[lwd->lw_txgoff]; 2262fa9e4066Sahrens } 2263fa9e4066Sahrens 2264fa9e4066Sahrens if (wsp->walk_addr == NULL) 2265fa9e4066Sahrens return (WALK_DONE); 2266fa9e4066Sahrens 2267fa9e4066Sahrens addr = wsp->walk_addr - lwd->lw_offset; 2268fa9e4066Sahrens 2269fa9e4066Sahrens if (mdb_vread(lwd->lw_obj, 2270fa9e4066Sahrens lwd->lw_offset + sizeof (txg_node_t), addr) == -1) { 2271fa9e4066Sahrens mdb_warn("failed to read list element at %#lx", addr); 2272fa9e4066Sahrens return (WALK_ERR); 2273fa9e4066Sahrens } 2274fa9e4066Sahrens 2275fa9e4066Sahrens status = wsp->walk_callback(addr, lwd->lw_obj, wsp->walk_cbdata); 2276fa9e4066Sahrens node = (txg_node_t *)((uintptr_t)lwd->lw_obj + lwd->lw_offset); 2277fa9e4066Sahrens wsp->walk_addr = (uintptr_t)node->tn_next[lwd->lw_txgoff]; 2278fa9e4066Sahrens 2279fa9e4066Sahrens return (status); 2280fa9e4066Sahrens } 2281fa9e4066Sahrens 2282fa9e4066Sahrens /* 2283fa9e4066Sahrens * ::walk spa 2284fa9e4066Sahrens * 2285fa9e4066Sahrens * Walk all named spa_t structures in the namespace. This is nothing more than 2286fa9e4066Sahrens * a layered avl walk. 2287fa9e4066Sahrens */ 2288fa9e4066Sahrens static int 2289fa9e4066Sahrens spa_walk_init(mdb_walk_state_t *wsp) 2290fa9e4066Sahrens { 2291fa9e4066Sahrens GElf_Sym sym; 2292fa9e4066Sahrens 2293fa9e4066Sahrens if (wsp->walk_addr != NULL) { 2294fa9e4066Sahrens mdb_warn("spa walk only supports global walks\n"); 2295fa9e4066Sahrens return (WALK_ERR); 2296fa9e4066Sahrens } 2297fa9e4066Sahrens 2298fa9e4066Sahrens if (mdb_lookup_by_obj(ZFS_OBJ_NAME, "spa_namespace_avl", &sym) == -1) { 2299fa9e4066Sahrens mdb_warn("failed to find symbol 'spa_namespace_avl'"); 2300fa9e4066Sahrens return (WALK_ERR); 2301fa9e4066Sahrens } 2302fa9e4066Sahrens 2303fa9e4066Sahrens wsp->walk_addr = (uintptr_t)sym.st_value; 2304fa9e4066Sahrens 2305fa9e4066Sahrens if (mdb_layered_walk("avl", wsp) == -1) { 2306fa9e4066Sahrens mdb_warn("failed to walk 'avl'\n"); 2307fa9e4066Sahrens return (WALK_ERR); 2308fa9e4066Sahrens } 2309fa9e4066Sahrens 2310fa9e4066Sahrens return (WALK_NEXT); 2311fa9e4066Sahrens } 2312fa9e4066Sahrens 2313fa9e4066Sahrens static int 2314fa9e4066Sahrens spa_walk_step(mdb_walk_state_t *wsp) 2315fa9e4066Sahrens { 231622ce0148SMatthew Ahrens return (wsp->walk_callback(wsp->walk_addr, NULL, wsp->walk_cbdata)); 2317fa9e4066Sahrens } 2318fa9e4066Sahrens 2319ccae0b50Seschrock /* 2320ccae0b50Seschrock * [addr]::walk zio 2321ccae0b50Seschrock * 2322ccae0b50Seschrock * Walk all active zio_t structures on the system. This is simply a layered 2323ccae0b50Seschrock * walk on top of ::walk zio_cache, with the optional ability to limit the 2324ccae0b50Seschrock * structures to a particular pool. 2325ccae0b50Seschrock */ 2326ccae0b50Seschrock static int 2327ccae0b50Seschrock zio_walk_init(mdb_walk_state_t *wsp) 2328ccae0b50Seschrock { 2329dee140dfSMatthew Ahrens wsp->walk_data = (void *)wsp->walk_addr; 2330ccae0b50Seschrock 2331ccae0b50Seschrock if (mdb_layered_walk("zio_cache", wsp) == -1) { 2332ccae0b50Seschrock mdb_warn("failed to walk 'zio_cache'\n"); 2333ccae0b50Seschrock return (WALK_ERR); 2334ccae0b50Seschrock } 2335ccae0b50Seschrock 2336ccae0b50Seschrock return (WALK_NEXT); 2337ccae0b50Seschrock } 2338ccae0b50Seschrock 2339ccae0b50Seschrock static int 2340ccae0b50Seschrock zio_walk_step(mdb_walk_state_t *wsp) 2341ccae0b50Seschrock { 234228e4da25SMatthew Ahrens mdb_zio_t zio; 2343dee140dfSMatthew Ahrens uintptr_t spa = (uintptr_t)wsp->walk_data; 2344ccae0b50Seschrock 234528e4da25SMatthew Ahrens if (mdb_ctf_vread(&zio, ZFS_STRUCT "zio", "mdb_zio_t", 234628e4da25SMatthew Ahrens wsp->walk_addr, 0) == -1) 2347ccae0b50Seschrock return (WALK_ERR); 2348ccae0b50Seschrock 2349dee140dfSMatthew Ahrens if (spa != 0 && spa != zio.io_spa) 2350ccae0b50Seschrock return (WALK_NEXT); 2351ccae0b50Seschrock 2352ccae0b50Seschrock return (wsp->walk_callback(wsp->walk_addr, &zio, wsp->walk_cbdata)); 2353ccae0b50Seschrock } 2354ccae0b50Seschrock 2355ccae0b50Seschrock /* 2356ccae0b50Seschrock * [addr]::walk zio_root 2357ccae0b50Seschrock * 2358ccae0b50Seschrock * Walk only root zio_t structures, optionally for a particular spa_t. 2359ccae0b50Seschrock */ 2360ccae0b50Seschrock static int 2361ccae0b50Seschrock zio_walk_root_step(mdb_walk_state_t *wsp) 2362ccae0b50Seschrock { 236328e4da25SMatthew Ahrens mdb_zio_t zio; 2364dee140dfSMatthew Ahrens uintptr_t spa = (uintptr_t)wsp->walk_data; 2365ccae0b50Seschrock 236628e4da25SMatthew Ahrens if (mdb_ctf_vread(&zio, ZFS_STRUCT "zio", "mdb_zio_t", 236728e4da25SMatthew Ahrens wsp->walk_addr, 0) == -1) 2368ccae0b50Seschrock return (WALK_ERR); 2369ccae0b50Seschrock 2370dee140dfSMatthew Ahrens if (spa != 0 && spa != zio.io_spa) 2371ccae0b50Seschrock return (WALK_NEXT); 2372ccae0b50Seschrock 2373a3f829aeSBill Moore /* If the parent list is not empty, ignore */ 2374d5ee8a13SMatthew Ahrens if (zio.io_parent_list.list_head.list_next != 237528e4da25SMatthew Ahrens wsp->walk_addr + 237628e4da25SMatthew Ahrens mdb_ctf_offsetof_by_name(ZFS_STRUCT "zio", "io_parent_list") + 237728e4da25SMatthew Ahrens mdb_ctf_offsetof_by_name("struct list", "list_head")) 2378ccae0b50Seschrock return (WALK_NEXT); 2379ccae0b50Seschrock 2380ccae0b50Seschrock return (wsp->walk_callback(wsp->walk_addr, &zio, wsp->walk_cbdata)); 2381ccae0b50Seschrock } 2382ccae0b50Seschrock 238388b7b0f2SMatthew Ahrens /* 238488b7b0f2SMatthew Ahrens * ::zfs_blkstats 238588b7b0f2SMatthew Ahrens * 23862e4c9986SGeorge Wilson * -v print verbose per-level information 238788b7b0f2SMatthew Ahrens * 238888b7b0f2SMatthew Ahrens */ 238988b7b0f2SMatthew Ahrens static int 239088b7b0f2SMatthew Ahrens zfs_blkstats(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 239188b7b0f2SMatthew Ahrens { 239288b7b0f2SMatthew Ahrens boolean_t verbose = B_FALSE; 239388b7b0f2SMatthew Ahrens zfs_all_blkstats_t stats; 239488b7b0f2SMatthew Ahrens dmu_object_type_t t; 239588b7b0f2SMatthew Ahrens zfs_blkstat_t *tzb; 239688b7b0f2SMatthew Ahrens uint64_t ditto; 239788b7b0f2SMatthew Ahrens dmu_object_type_info_t dmu_ot[DMU_OT_NUMTYPES + 10]; 239888b7b0f2SMatthew Ahrens /* +10 in case it grew */ 239988b7b0f2SMatthew Ahrens 240088b7b0f2SMatthew Ahrens if (mdb_readvar(&dmu_ot, "dmu_ot") == -1) { 240188b7b0f2SMatthew Ahrens mdb_warn("failed to read 'dmu_ot'"); 240288b7b0f2SMatthew Ahrens return (DCMD_ERR); 240388b7b0f2SMatthew Ahrens } 240488b7b0f2SMatthew Ahrens 240588b7b0f2SMatthew Ahrens if (mdb_getopts(argc, argv, 240688b7b0f2SMatthew Ahrens 'v', MDB_OPT_SETBITS, TRUE, &verbose, 240788b7b0f2SMatthew Ahrens NULL) != argc) 240888b7b0f2SMatthew Ahrens return (DCMD_USAGE); 240988b7b0f2SMatthew Ahrens 241088b7b0f2SMatthew Ahrens if (!(flags & DCMD_ADDRSPEC)) 241188b7b0f2SMatthew Ahrens return (DCMD_USAGE); 241288b7b0f2SMatthew Ahrens 241328e4da25SMatthew Ahrens if (GETMEMB(addr, "spa", spa_dsl_pool, addr) || 241428e4da25SMatthew Ahrens GETMEMB(addr, "dsl_pool", dp_blkstats, addr) || 241588b7b0f2SMatthew Ahrens mdb_vread(&stats, sizeof (zfs_all_blkstats_t), addr) == -1) { 241688b7b0f2SMatthew Ahrens mdb_warn("failed to read data at %p;", addr); 241788b7b0f2SMatthew Ahrens mdb_printf("maybe no stats? run \"zpool scrub\" first."); 241888b7b0f2SMatthew Ahrens return (DCMD_ERR); 241988b7b0f2SMatthew Ahrens } 242088b7b0f2SMatthew Ahrens 2421ad135b5dSChristopher Siden tzb = &stats.zab_type[DN_MAX_LEVELS][DMU_OT_TOTAL]; 242288b7b0f2SMatthew Ahrens if (tzb->zb_gangs != 0) { 242388b7b0f2SMatthew Ahrens mdb_printf("Ganged blocks: %llu\n", 242488b7b0f2SMatthew Ahrens (longlong_t)tzb->zb_gangs); 242588b7b0f2SMatthew Ahrens } 242688b7b0f2SMatthew Ahrens 242788b7b0f2SMatthew Ahrens ditto = tzb->zb_ditto_2_of_2_samevdev + tzb->zb_ditto_2_of_3_samevdev + 242888b7b0f2SMatthew Ahrens tzb->zb_ditto_3_of_3_samevdev; 242988b7b0f2SMatthew Ahrens if (ditto != 0) { 243088b7b0f2SMatthew Ahrens mdb_printf("Dittoed blocks on same vdev: %llu\n", 243188b7b0f2SMatthew Ahrens (longlong_t)ditto); 243288b7b0f2SMatthew Ahrens } 243388b7b0f2SMatthew Ahrens 243488b7b0f2SMatthew Ahrens mdb_printf("\nBlocks\tLSIZE\tPSIZE\tASIZE" 243588b7b0f2SMatthew Ahrens "\t avg\t comp\t%%Total\tType\n"); 243688b7b0f2SMatthew Ahrens 2437ad135b5dSChristopher Siden for (t = 0; t <= DMU_OT_TOTAL; t++) { 243888b7b0f2SMatthew Ahrens char csize[NICENUM_BUFLEN], lsize[NICENUM_BUFLEN]; 243988b7b0f2SMatthew Ahrens char psize[NICENUM_BUFLEN], asize[NICENUM_BUFLEN]; 244088b7b0f2SMatthew Ahrens char avg[NICENUM_BUFLEN]; 244188b7b0f2SMatthew Ahrens char comp[NICENUM_BUFLEN], pct[NICENUM_BUFLEN]; 244288b7b0f2SMatthew Ahrens char typename[64]; 244388b7b0f2SMatthew Ahrens int l; 244488b7b0f2SMatthew Ahrens 244588b7b0f2SMatthew Ahrens 244688b7b0f2SMatthew Ahrens if (t == DMU_OT_DEFERRED) 244788b7b0f2SMatthew Ahrens strcpy(typename, "deferred free"); 2448ad135b5dSChristopher Siden else if (t == DMU_OT_OTHER) 2449ad135b5dSChristopher Siden strcpy(typename, "other"); 245088b7b0f2SMatthew Ahrens else if (t == DMU_OT_TOTAL) 245188b7b0f2SMatthew Ahrens strcpy(typename, "Total"); 245288b7b0f2SMatthew Ahrens else if (mdb_readstr(typename, sizeof (typename), 245388b7b0f2SMatthew Ahrens (uintptr_t)dmu_ot[t].ot_name) == -1) { 245488b7b0f2SMatthew Ahrens mdb_warn("failed to read type name"); 245588b7b0f2SMatthew Ahrens return (DCMD_ERR); 245688b7b0f2SMatthew Ahrens } 245788b7b0f2SMatthew Ahrens 245888b7b0f2SMatthew Ahrens if (stats.zab_type[DN_MAX_LEVELS][t].zb_asize == 0) 245988b7b0f2SMatthew Ahrens continue; 246088b7b0f2SMatthew Ahrens 246188b7b0f2SMatthew Ahrens for (l = -1; l < DN_MAX_LEVELS; l++) { 246288b7b0f2SMatthew Ahrens int level = (l == -1 ? DN_MAX_LEVELS : l); 246388b7b0f2SMatthew Ahrens zfs_blkstat_t *zb = &stats.zab_type[level][t]; 246488b7b0f2SMatthew Ahrens 246588b7b0f2SMatthew Ahrens if (zb->zb_asize == 0) 246688b7b0f2SMatthew Ahrens continue; 246788b7b0f2SMatthew Ahrens 246888b7b0f2SMatthew Ahrens /* 246988b7b0f2SMatthew Ahrens * Don't print each level unless requested. 247088b7b0f2SMatthew Ahrens */ 247188b7b0f2SMatthew Ahrens if (!verbose && level != DN_MAX_LEVELS) 247288b7b0f2SMatthew Ahrens continue; 247388b7b0f2SMatthew Ahrens 247488b7b0f2SMatthew Ahrens /* 247588b7b0f2SMatthew Ahrens * If all the space is level 0, don't print the 247688b7b0f2SMatthew Ahrens * level 0 separately. 247788b7b0f2SMatthew Ahrens */ 247888b7b0f2SMatthew Ahrens if (level == 0 && zb->zb_asize == 247988b7b0f2SMatthew Ahrens stats.zab_type[DN_MAX_LEVELS][t].zb_asize) 248088b7b0f2SMatthew Ahrens continue; 248188b7b0f2SMatthew Ahrens 248288b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_count, csize); 248388b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_lsize, lsize); 248488b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_psize, psize); 248588b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_asize, asize); 248688b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_asize / zb->zb_count, avg); 2487ff64c0f7SMatthew Ahrens (void) snprintfrac(comp, NICENUM_BUFLEN, 2488ff64c0f7SMatthew Ahrens zb->zb_lsize, zb->zb_psize, 2); 2489ff64c0f7SMatthew Ahrens (void) snprintfrac(pct, NICENUM_BUFLEN, 2490ff64c0f7SMatthew Ahrens 100 * zb->zb_asize, tzb->zb_asize, 2); 249188b7b0f2SMatthew Ahrens 249288b7b0f2SMatthew Ahrens mdb_printf("%6s\t%5s\t%5s\t%5s\t%5s" 249388b7b0f2SMatthew Ahrens "\t%5s\t%6s\t", 249488b7b0f2SMatthew Ahrens csize, lsize, psize, asize, avg, comp, pct); 249588b7b0f2SMatthew Ahrens 249688b7b0f2SMatthew Ahrens if (level == DN_MAX_LEVELS) 249788b7b0f2SMatthew Ahrens mdb_printf("%s\n", typename); 249888b7b0f2SMatthew Ahrens else 249988b7b0f2SMatthew Ahrens mdb_printf(" L%d %s\n", 250088b7b0f2SMatthew Ahrens level, typename); 250188b7b0f2SMatthew Ahrens } 250288b7b0f2SMatthew Ahrens } 250388b7b0f2SMatthew Ahrens 250488b7b0f2SMatthew Ahrens return (DCMD_OK); 250588b7b0f2SMatthew Ahrens } 250688b7b0f2SMatthew Ahrens 2507d5ee8a13SMatthew Ahrens typedef struct mdb_reference { 2508d5ee8a13SMatthew Ahrens uintptr_t ref_holder; 2509d5ee8a13SMatthew Ahrens uintptr_t ref_removed; 2510d5ee8a13SMatthew Ahrens uint64_t ref_number; 2511d5ee8a13SMatthew Ahrens } mdb_reference_t; 2512d5ee8a13SMatthew Ahrens 25139966ca11SMatthew Ahrens /* ARGSUSED */ 25149966ca11SMatthew Ahrens static int 25159966ca11SMatthew Ahrens reference_cb(uintptr_t addr, const void *ignored, void *arg) 25169966ca11SMatthew Ahrens { 2517d5ee8a13SMatthew Ahrens mdb_reference_t ref; 25183f9d6ad7SLin Ling boolean_t holder_is_str = B_FALSE; 25199966ca11SMatthew Ahrens char holder_str[128]; 25209966ca11SMatthew Ahrens boolean_t removed = (boolean_t)arg; 25219966ca11SMatthew Ahrens 2522d5ee8a13SMatthew Ahrens if (mdb_ctf_vread(&ref, "reference_t", "mdb_reference_t", addr, 2523d5ee8a13SMatthew Ahrens 0) == -1) 2524d5ee8a13SMatthew Ahrens return (DCMD_ERR); 25259966ca11SMatthew Ahrens 2526d5ee8a13SMatthew Ahrens if (mdb_readstr(holder_str, sizeof (holder_str), 2527d5ee8a13SMatthew Ahrens ref.ref_holder) != -1) 25283f9d6ad7SLin Ling holder_is_str = strisprint(holder_str); 25299966ca11SMatthew Ahrens 25309966ca11SMatthew Ahrens if (removed) 25319966ca11SMatthew Ahrens mdb_printf("removed "); 25329966ca11SMatthew Ahrens mdb_printf("reference "); 2533d5ee8a13SMatthew Ahrens if (ref.ref_number != 1) 2534d5ee8a13SMatthew Ahrens mdb_printf("with count=%llu ", ref.ref_number); 2535d5ee8a13SMatthew Ahrens mdb_printf("with tag %lx", ref.ref_holder); 25369966ca11SMatthew Ahrens if (holder_is_str) 25379966ca11SMatthew Ahrens mdb_printf(" \"%s\"", holder_str); 25389966ca11SMatthew Ahrens mdb_printf(", held at:\n"); 25399966ca11SMatthew Ahrens 25409966ca11SMatthew Ahrens (void) mdb_call_dcmd("whatis", addr, DCMD_ADDRSPEC, 0, NULL); 25419966ca11SMatthew Ahrens 25429966ca11SMatthew Ahrens if (removed) { 25439966ca11SMatthew Ahrens mdb_printf("removed at:\n"); 2544d5ee8a13SMatthew Ahrens (void) mdb_call_dcmd("whatis", ref.ref_removed, 25459966ca11SMatthew Ahrens DCMD_ADDRSPEC, 0, NULL); 25469966ca11SMatthew Ahrens } 25479966ca11SMatthew Ahrens 25489966ca11SMatthew Ahrens mdb_printf("\n"); 25499966ca11SMatthew Ahrens 25509966ca11SMatthew Ahrens return (WALK_NEXT); 25519966ca11SMatthew Ahrens } 25529966ca11SMatthew Ahrens 2553d5ee8a13SMatthew Ahrens typedef struct mdb_refcount { 2554d5ee8a13SMatthew Ahrens uint64_t rc_count; 2555d5ee8a13SMatthew Ahrens } mdb_refcount_t; 2556d5ee8a13SMatthew Ahrens 2557d5ee8a13SMatthew Ahrens typedef struct mdb_refcount_removed { 2558d5ee8a13SMatthew Ahrens uint64_t rc_removed_count; 2559d5ee8a13SMatthew Ahrens } mdb_refcount_removed_t; 2560d5ee8a13SMatthew Ahrens 2561d5ee8a13SMatthew Ahrens typedef struct mdb_refcount_tracked { 2562d5ee8a13SMatthew Ahrens boolean_t rc_tracked; 2563d5ee8a13SMatthew Ahrens } mdb_refcount_tracked_t; 2564d5ee8a13SMatthew Ahrens 25659966ca11SMatthew Ahrens /* ARGSUSED */ 25669966ca11SMatthew Ahrens static int 25679966ca11SMatthew Ahrens refcount(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 25689966ca11SMatthew Ahrens { 2569d5ee8a13SMatthew Ahrens mdb_refcount_t rc; 2570d5ee8a13SMatthew Ahrens mdb_refcount_removed_t rcr; 2571d5ee8a13SMatthew Ahrens mdb_refcount_tracked_t rct; 2572d5ee8a13SMatthew Ahrens int off; 257328e4da25SMatthew Ahrens boolean_t released = B_FALSE; 25749966ca11SMatthew Ahrens 25759966ca11SMatthew Ahrens if (!(flags & DCMD_ADDRSPEC)) 25769966ca11SMatthew Ahrens return (DCMD_USAGE); 25779966ca11SMatthew Ahrens 257828e4da25SMatthew Ahrens if (mdb_getopts(argc, argv, 257928e4da25SMatthew Ahrens 'r', MDB_OPT_SETBITS, B_TRUE, &released, 258028e4da25SMatthew Ahrens NULL) != argc) 258128e4da25SMatthew Ahrens return (DCMD_USAGE); 258228e4da25SMatthew Ahrens 2583d5ee8a13SMatthew Ahrens if (mdb_ctf_vread(&rc, "refcount_t", "mdb_refcount_t", addr, 2584d5ee8a13SMatthew Ahrens 0) == -1) 25859966ca11SMatthew Ahrens return (DCMD_ERR); 25869966ca11SMatthew Ahrens 2587d5ee8a13SMatthew Ahrens if (mdb_ctf_vread(&rcr, "refcount_t", "mdb_refcount_removed_t", addr, 2588d5ee8a13SMatthew Ahrens MDB_CTF_VREAD_QUIET) == -1) { 2589d5ee8a13SMatthew Ahrens mdb_printf("refcount_t at %p has %llu holds (untracked)\n", 2590d5ee8a13SMatthew Ahrens addr, (longlong_t)rc.rc_count); 259128e4da25SMatthew Ahrens return (DCMD_OK); 259228e4da25SMatthew Ahrens } 259328e4da25SMatthew Ahrens 2594d5ee8a13SMatthew Ahrens if (mdb_ctf_vread(&rct, "refcount_t", "mdb_refcount_tracked_t", addr, 2595d5ee8a13SMatthew Ahrens MDB_CTF_VREAD_QUIET) == -1) { 2596d5ee8a13SMatthew Ahrens /* If this is an old target, it might be tracked. */ 2597d5ee8a13SMatthew Ahrens rct.rc_tracked = B_TRUE; 2598d5ee8a13SMatthew Ahrens } 2599d5ee8a13SMatthew Ahrens 26009966ca11SMatthew Ahrens mdb_printf("refcount_t at %p has %llu current holds, " 26019966ca11SMatthew Ahrens "%llu recently released holds\n", 2602d5ee8a13SMatthew Ahrens addr, (longlong_t)rc.rc_count, (longlong_t)rcr.rc_removed_count); 26039966ca11SMatthew Ahrens 2604d5ee8a13SMatthew Ahrens if (rct.rc_tracked && rc.rc_count > 0) 26059966ca11SMatthew Ahrens mdb_printf("current holds:\n"); 2606d5ee8a13SMatthew Ahrens off = mdb_ctf_offsetof_by_name("refcount_t", "rc_list"); 2607d5ee8a13SMatthew Ahrens if (off == -1) 26089966ca11SMatthew Ahrens return (DCMD_ERR); 2609d5ee8a13SMatthew Ahrens mdb_pwalk("list", reference_cb, (void*)B_FALSE, addr + off); 2610d5ee8a13SMatthew Ahrens 2611d5ee8a13SMatthew Ahrens if (released && rcr.rc_removed_count > 0) { 2612d5ee8a13SMatthew Ahrens mdb_printf("released holds:\n"); 26139966ca11SMatthew Ahrens 2614d5ee8a13SMatthew Ahrens off = mdb_ctf_offsetof_by_name("refcount_t", "rc_removed"); 2615d5ee8a13SMatthew Ahrens if (off == -1) 261628e4da25SMatthew Ahrens return (DCMD_ERR); 2617421ff020SPrakash Surya mdb_pwalk("list", reference_cb, (void*)B_TRUE, addr + off); 261828e4da25SMatthew Ahrens } 26199966ca11SMatthew Ahrens 26209966ca11SMatthew Ahrens return (DCMD_OK); 26219966ca11SMatthew Ahrens } 26229966ca11SMatthew Ahrens 26230a586ceaSMark Shellenbaum /* ARGSUSED */ 26240a586ceaSMark Shellenbaum static int 26250a586ceaSMark Shellenbaum sa_attr_table(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 26260a586ceaSMark Shellenbaum { 26270a586ceaSMark Shellenbaum sa_attr_table_t *table; 26280a586ceaSMark Shellenbaum sa_os_t sa_os; 26290a586ceaSMark Shellenbaum char *name; 26300a586ceaSMark Shellenbaum int i; 26310a586ceaSMark Shellenbaum 26320a586ceaSMark Shellenbaum if (mdb_vread(&sa_os, sizeof (sa_os_t), addr) == -1) { 26330a586ceaSMark Shellenbaum mdb_warn("failed to read sa_os at %p", addr); 26340a586ceaSMark Shellenbaum return (DCMD_ERR); 26350a586ceaSMark Shellenbaum } 26360a586ceaSMark Shellenbaum 26370a586ceaSMark Shellenbaum table = mdb_alloc(sizeof (sa_attr_table_t) * sa_os.sa_num_attrs, 26380a586ceaSMark Shellenbaum UM_SLEEP | UM_GC); 26390a586ceaSMark Shellenbaum name = mdb_alloc(MAXPATHLEN, UM_SLEEP | UM_GC); 26400a586ceaSMark Shellenbaum 26410a586ceaSMark Shellenbaum if (mdb_vread(table, sizeof (sa_attr_table_t) * sa_os.sa_num_attrs, 26420a586ceaSMark Shellenbaum (uintptr_t)sa_os.sa_attr_table) == -1) { 26430a586ceaSMark Shellenbaum mdb_warn("failed to read sa_os at %p", addr); 26440a586ceaSMark Shellenbaum return (DCMD_ERR); 26450a586ceaSMark Shellenbaum } 26460a586ceaSMark Shellenbaum 26470a586ceaSMark Shellenbaum mdb_printf("%<u>%-10s %-10s %-10s %-10s %s%</u>\n", 26480a586ceaSMark Shellenbaum "ATTR ID", "REGISTERED", "LENGTH", "BSWAP", "NAME"); 26490a586ceaSMark Shellenbaum for (i = 0; i != sa_os.sa_num_attrs; i++) { 26500a586ceaSMark Shellenbaum mdb_readstr(name, MAXPATHLEN, (uintptr_t)table[i].sa_name); 26510a586ceaSMark Shellenbaum mdb_printf("%5x %8x %8x %8x %-s\n", 26520a586ceaSMark Shellenbaum (int)table[i].sa_attr, (int)table[i].sa_registered, 26530a586ceaSMark Shellenbaum (int)table[i].sa_length, table[i].sa_byteswap, name); 26540a586ceaSMark Shellenbaum } 26550a586ceaSMark Shellenbaum 26560a586ceaSMark Shellenbaum return (DCMD_OK); 26570a586ceaSMark Shellenbaum } 26580a586ceaSMark Shellenbaum 26590a586ceaSMark Shellenbaum static int 26600a586ceaSMark Shellenbaum sa_get_off_table(uintptr_t addr, uint32_t **off_tab, int attr_count) 26610a586ceaSMark Shellenbaum { 26620a586ceaSMark Shellenbaum uintptr_t idx_table; 26630a586ceaSMark Shellenbaum 266428e4da25SMatthew Ahrens if (GETMEMB(addr, "sa_idx_tab", sa_idx_tab, idx_table)) { 26650a586ceaSMark Shellenbaum mdb_printf("can't find offset table in sa_idx_tab\n"); 26660a586ceaSMark Shellenbaum return (-1); 26670a586ceaSMark Shellenbaum } 26680a586ceaSMark Shellenbaum 26690a586ceaSMark Shellenbaum *off_tab = mdb_alloc(attr_count * sizeof (uint32_t), 26700a586ceaSMark Shellenbaum UM_SLEEP | UM_GC); 26710a586ceaSMark Shellenbaum 26720a586ceaSMark Shellenbaum if (mdb_vread(*off_tab, 26730a586ceaSMark Shellenbaum attr_count * sizeof (uint32_t), idx_table) == -1) { 26740a586ceaSMark Shellenbaum mdb_warn("failed to attribute offset table %p", idx_table); 26750a586ceaSMark Shellenbaum return (-1); 26760a586ceaSMark Shellenbaum } 26770a586ceaSMark Shellenbaum 26780a586ceaSMark Shellenbaum return (DCMD_OK); 26790a586ceaSMark Shellenbaum } 26800a586ceaSMark Shellenbaum 26810a586ceaSMark Shellenbaum /*ARGSUSED*/ 26820a586ceaSMark Shellenbaum static int 26830a586ceaSMark Shellenbaum sa_attr_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 26840a586ceaSMark Shellenbaum { 26850a586ceaSMark Shellenbaum uint32_t *offset_tab; 26860a586ceaSMark Shellenbaum int attr_count; 26870a586ceaSMark Shellenbaum uint64_t attr_id; 26880a586ceaSMark Shellenbaum uintptr_t attr_addr; 26890a586ceaSMark Shellenbaum uintptr_t bonus_tab, spill_tab; 26900a586ceaSMark Shellenbaum uintptr_t db_bonus, db_spill; 26910a586ceaSMark Shellenbaum uintptr_t os, os_sa; 26920a586ceaSMark Shellenbaum uintptr_t db_data; 26930a586ceaSMark Shellenbaum 26940a586ceaSMark Shellenbaum if (argc != 1) 26950a586ceaSMark Shellenbaum return (DCMD_USAGE); 26960a586ceaSMark Shellenbaum 26970a586ceaSMark Shellenbaum if (argv[0].a_type == MDB_TYPE_STRING) 26980a586ceaSMark Shellenbaum attr_id = mdb_strtoull(argv[0].a_un.a_str); 26990a586ceaSMark Shellenbaum else 27000a586ceaSMark Shellenbaum return (DCMD_USAGE); 27010a586ceaSMark Shellenbaum 270228e4da25SMatthew Ahrens if (GETMEMB(addr, "sa_handle", sa_bonus_tab, bonus_tab) || 270328e4da25SMatthew Ahrens GETMEMB(addr, "sa_handle", sa_spill_tab, spill_tab) || 270428e4da25SMatthew Ahrens GETMEMB(addr, "sa_handle", sa_os, os) || 270528e4da25SMatthew Ahrens GETMEMB(addr, "sa_handle", sa_bonus, db_bonus) || 270628e4da25SMatthew Ahrens GETMEMB(addr, "sa_handle", sa_spill, db_spill)) { 27070a586ceaSMark Shellenbaum mdb_printf("Can't find necessary information in sa_handle " 27080a586ceaSMark Shellenbaum "in sa_handle\n"); 27090a586ceaSMark Shellenbaum return (DCMD_ERR); 27100a586ceaSMark Shellenbaum } 27110a586ceaSMark Shellenbaum 271228e4da25SMatthew Ahrens if (GETMEMB(os, "objset", os_sa, os_sa)) { 27130a586ceaSMark Shellenbaum mdb_printf("Can't find os_sa in objset\n"); 27140a586ceaSMark Shellenbaum return (DCMD_ERR); 27150a586ceaSMark Shellenbaum } 27160a586ceaSMark Shellenbaum 271728e4da25SMatthew Ahrens if (GETMEMB(os_sa, "sa_os", sa_num_attrs, attr_count)) { 27180a586ceaSMark Shellenbaum mdb_printf("Can't find sa_num_attrs\n"); 27190a586ceaSMark Shellenbaum return (DCMD_ERR); 27200a586ceaSMark Shellenbaum } 27210a586ceaSMark Shellenbaum 27220a586ceaSMark Shellenbaum if (attr_id > attr_count) { 27230a586ceaSMark Shellenbaum mdb_printf("attribute id number is out of range\n"); 27240a586ceaSMark Shellenbaum return (DCMD_ERR); 27250a586ceaSMark Shellenbaum } 27260a586ceaSMark Shellenbaum 27270a586ceaSMark Shellenbaum if (bonus_tab) { 27280a586ceaSMark Shellenbaum if (sa_get_off_table(bonus_tab, &offset_tab, 27290a586ceaSMark Shellenbaum attr_count) == -1) { 27300a586ceaSMark Shellenbaum return (DCMD_ERR); 27310a586ceaSMark Shellenbaum } 27320a586ceaSMark Shellenbaum 273328e4da25SMatthew Ahrens if (GETMEMB(db_bonus, "dmu_buf", db_data, db_data)) { 27340a586ceaSMark Shellenbaum mdb_printf("can't find db_data in bonus dbuf\n"); 27350a586ceaSMark Shellenbaum return (DCMD_ERR); 27360a586ceaSMark Shellenbaum } 27370a586ceaSMark Shellenbaum } 27380a586ceaSMark Shellenbaum 27390a586ceaSMark Shellenbaum if (bonus_tab && !TOC_ATTR_PRESENT(offset_tab[attr_id]) && 27400a586ceaSMark Shellenbaum spill_tab == NULL) { 27410a586ceaSMark Shellenbaum mdb_printf("Attribute does not exist\n"); 27420a586ceaSMark Shellenbaum return (DCMD_ERR); 27430a586ceaSMark Shellenbaum } else if (!TOC_ATTR_PRESENT(offset_tab[attr_id]) && spill_tab) { 27440a586ceaSMark Shellenbaum if (sa_get_off_table(spill_tab, &offset_tab, 27450a586ceaSMark Shellenbaum attr_count) == -1) { 27460a586ceaSMark Shellenbaum return (DCMD_ERR); 27470a586ceaSMark Shellenbaum } 274828e4da25SMatthew Ahrens if (GETMEMB(db_spill, "dmu_buf", db_data, db_data)) { 27490a586ceaSMark Shellenbaum mdb_printf("can't find db_data in spill dbuf\n"); 27500a586ceaSMark Shellenbaum return (DCMD_ERR); 27510a586ceaSMark Shellenbaum } 27520a586ceaSMark Shellenbaum if (!TOC_ATTR_PRESENT(offset_tab[attr_id])) { 27530a586ceaSMark Shellenbaum mdb_printf("Attribute does not exist\n"); 27540a586ceaSMark Shellenbaum return (DCMD_ERR); 27550a586ceaSMark Shellenbaum } 27560a586ceaSMark Shellenbaum } 27570a586ceaSMark Shellenbaum attr_addr = db_data + TOC_OFF(offset_tab[attr_id]); 27580a586ceaSMark Shellenbaum mdb_printf("%p\n", attr_addr); 27590a586ceaSMark Shellenbaum return (DCMD_OK); 27600a586ceaSMark Shellenbaum } 27610a586ceaSMark Shellenbaum 27620a586ceaSMark Shellenbaum /* ARGSUSED */ 27630a586ceaSMark Shellenbaum static int 27640a586ceaSMark Shellenbaum zfs_ace_print_common(uintptr_t addr, uint_t flags, 27650a586ceaSMark Shellenbaum uint64_t id, uint32_t access_mask, uint16_t ace_flags, 27660a586ceaSMark Shellenbaum uint16_t ace_type, int verbose) 27670a586ceaSMark Shellenbaum { 27680a586ceaSMark Shellenbaum if (DCMD_HDRSPEC(flags) && !verbose) 27690a586ceaSMark Shellenbaum mdb_printf("%<u>%-?s %-8s %-8s %-8s %s%</u>\n", 27700a586ceaSMark Shellenbaum "ADDR", "FLAGS", "MASK", "TYPE", "ID"); 27710a586ceaSMark Shellenbaum 27720a586ceaSMark Shellenbaum if (!verbose) { 27730a586ceaSMark Shellenbaum mdb_printf("%0?p %-8x %-8x %-8x %-llx\n", addr, 27740a586ceaSMark Shellenbaum ace_flags, access_mask, ace_type, id); 27750a586ceaSMark Shellenbaum return (DCMD_OK); 27760a586ceaSMark Shellenbaum } 27770a586ceaSMark Shellenbaum 27780a586ceaSMark Shellenbaum switch (ace_flags & ACE_TYPE_FLAGS) { 27790a586ceaSMark Shellenbaum case ACE_OWNER: 27800a586ceaSMark Shellenbaum mdb_printf("owner@:"); 27810a586ceaSMark Shellenbaum break; 27820a586ceaSMark Shellenbaum case (ACE_IDENTIFIER_GROUP | ACE_GROUP): 27830a586ceaSMark Shellenbaum mdb_printf("group@:"); 27840a586ceaSMark Shellenbaum break; 27850a586ceaSMark Shellenbaum case ACE_EVERYONE: 27860a586ceaSMark Shellenbaum mdb_printf("everyone@:"); 27870a586ceaSMark Shellenbaum break; 27880a586ceaSMark Shellenbaum case ACE_IDENTIFIER_GROUP: 27890a586ceaSMark Shellenbaum mdb_printf("group:%llx:", (u_longlong_t)id); 27900a586ceaSMark Shellenbaum break; 27910a586ceaSMark Shellenbaum case 0: /* User entry */ 27920a586ceaSMark Shellenbaum mdb_printf("user:%llx:", (u_longlong_t)id); 27930a586ceaSMark Shellenbaum break; 27940a586ceaSMark Shellenbaum } 27950a586ceaSMark Shellenbaum 27960a586ceaSMark Shellenbaum /* print out permission mask */ 27970a586ceaSMark Shellenbaum if (access_mask & ACE_READ_DATA) 27980a586ceaSMark Shellenbaum mdb_printf("r"); 27990a586ceaSMark Shellenbaum else 28000a586ceaSMark Shellenbaum mdb_printf("-"); 28010a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_DATA) 28020a586ceaSMark Shellenbaum mdb_printf("w"); 28030a586ceaSMark Shellenbaum else 28040a586ceaSMark Shellenbaum mdb_printf("-"); 28050a586ceaSMark Shellenbaum if (access_mask & ACE_EXECUTE) 28060a586ceaSMark Shellenbaum mdb_printf("x"); 28070a586ceaSMark Shellenbaum else 28080a586ceaSMark Shellenbaum mdb_printf("-"); 28090a586ceaSMark Shellenbaum if (access_mask & ACE_APPEND_DATA) 28100a586ceaSMark Shellenbaum mdb_printf("p"); 28110a586ceaSMark Shellenbaum else 28120a586ceaSMark Shellenbaum mdb_printf("-"); 28130a586ceaSMark Shellenbaum if (access_mask & ACE_DELETE) 28140a586ceaSMark Shellenbaum mdb_printf("d"); 28150a586ceaSMark Shellenbaum else 28160a586ceaSMark Shellenbaum mdb_printf("-"); 28170a586ceaSMark Shellenbaum if (access_mask & ACE_DELETE_CHILD) 28180a586ceaSMark Shellenbaum mdb_printf("D"); 28190a586ceaSMark Shellenbaum else 28200a586ceaSMark Shellenbaum mdb_printf("-"); 28210a586ceaSMark Shellenbaum if (access_mask & ACE_READ_ATTRIBUTES) 28220a586ceaSMark Shellenbaum mdb_printf("a"); 28230a586ceaSMark Shellenbaum else 28240a586ceaSMark Shellenbaum mdb_printf("-"); 28250a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_ATTRIBUTES) 28260a586ceaSMark Shellenbaum mdb_printf("A"); 28270a586ceaSMark Shellenbaum else 28280a586ceaSMark Shellenbaum mdb_printf("-"); 28290a586ceaSMark Shellenbaum if (access_mask & ACE_READ_NAMED_ATTRS) 28300a586ceaSMark Shellenbaum mdb_printf("R"); 28310a586ceaSMark Shellenbaum else 28320a586ceaSMark Shellenbaum mdb_printf("-"); 28330a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_NAMED_ATTRS) 28340a586ceaSMark Shellenbaum mdb_printf("W"); 28350a586ceaSMark Shellenbaum else 28360a586ceaSMark Shellenbaum mdb_printf("-"); 28370a586ceaSMark Shellenbaum if (access_mask & ACE_READ_ACL) 28380a586ceaSMark Shellenbaum mdb_printf("c"); 28390a586ceaSMark Shellenbaum else 28400a586ceaSMark Shellenbaum mdb_printf("-"); 28410a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_ACL) 28420a586ceaSMark Shellenbaum mdb_printf("C"); 28430a586ceaSMark Shellenbaum else 28440a586ceaSMark Shellenbaum mdb_printf("-"); 28450a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_OWNER) 28460a586ceaSMark Shellenbaum mdb_printf("o"); 28470a586ceaSMark Shellenbaum else 28480a586ceaSMark Shellenbaum mdb_printf("-"); 28490a586ceaSMark Shellenbaum if (access_mask & ACE_SYNCHRONIZE) 28500a586ceaSMark Shellenbaum mdb_printf("s"); 28510a586ceaSMark Shellenbaum else 28520a586ceaSMark Shellenbaum mdb_printf("-"); 28530a586ceaSMark Shellenbaum 28540a586ceaSMark Shellenbaum mdb_printf(":"); 28550a586ceaSMark Shellenbaum 28560a586ceaSMark Shellenbaum /* Print out inheritance flags */ 28570a586ceaSMark Shellenbaum if (ace_flags & ACE_FILE_INHERIT_ACE) 28580a586ceaSMark Shellenbaum mdb_printf("f"); 28590a586ceaSMark Shellenbaum else 28600a586ceaSMark Shellenbaum mdb_printf("-"); 28610a586ceaSMark Shellenbaum if (ace_flags & ACE_DIRECTORY_INHERIT_ACE) 28620a586ceaSMark Shellenbaum mdb_printf("d"); 28630a586ceaSMark Shellenbaum else 28640a586ceaSMark Shellenbaum mdb_printf("-"); 28650a586ceaSMark Shellenbaum if (ace_flags & ACE_INHERIT_ONLY_ACE) 28660a586ceaSMark Shellenbaum mdb_printf("i"); 28670a586ceaSMark Shellenbaum else 28680a586ceaSMark Shellenbaum mdb_printf("-"); 28690a586ceaSMark Shellenbaum if (ace_flags & ACE_NO_PROPAGATE_INHERIT_ACE) 28700a586ceaSMark Shellenbaum mdb_printf("n"); 28710a586ceaSMark Shellenbaum else 28720a586ceaSMark Shellenbaum mdb_printf("-"); 28730a586ceaSMark Shellenbaum if (ace_flags & ACE_SUCCESSFUL_ACCESS_ACE_FLAG) 28740a586ceaSMark Shellenbaum mdb_printf("S"); 28750a586ceaSMark Shellenbaum else 28760a586ceaSMark Shellenbaum mdb_printf("-"); 28770a586ceaSMark Shellenbaum if (ace_flags & ACE_FAILED_ACCESS_ACE_FLAG) 28780a586ceaSMark Shellenbaum mdb_printf("F"); 28790a586ceaSMark Shellenbaum else 28800a586ceaSMark Shellenbaum mdb_printf("-"); 28810a586ceaSMark Shellenbaum if (ace_flags & ACE_INHERITED_ACE) 28820a586ceaSMark Shellenbaum mdb_printf("I"); 28830a586ceaSMark Shellenbaum else 28840a586ceaSMark Shellenbaum mdb_printf("-"); 28850a586ceaSMark Shellenbaum 28860a586ceaSMark Shellenbaum switch (ace_type) { 28870a586ceaSMark Shellenbaum case ACE_ACCESS_ALLOWED_ACE_TYPE: 28880a586ceaSMark Shellenbaum mdb_printf(":allow\n"); 28890a586ceaSMark Shellenbaum break; 28900a586ceaSMark Shellenbaum case ACE_ACCESS_DENIED_ACE_TYPE: 28910a586ceaSMark Shellenbaum mdb_printf(":deny\n"); 28920a586ceaSMark Shellenbaum break; 28930a586ceaSMark Shellenbaum case ACE_SYSTEM_AUDIT_ACE_TYPE: 28940a586ceaSMark Shellenbaum mdb_printf(":audit\n"); 28950a586ceaSMark Shellenbaum break; 28960a586ceaSMark Shellenbaum case ACE_SYSTEM_ALARM_ACE_TYPE: 28970a586ceaSMark Shellenbaum mdb_printf(":alarm\n"); 28980a586ceaSMark Shellenbaum break; 28990a586ceaSMark Shellenbaum default: 29000a586ceaSMark Shellenbaum mdb_printf(":?\n"); 29010a586ceaSMark Shellenbaum } 29020a586ceaSMark Shellenbaum return (DCMD_OK); 29030a586ceaSMark Shellenbaum } 29040a586ceaSMark Shellenbaum 29050a586ceaSMark Shellenbaum /* ARGSUSED */ 29060a586ceaSMark Shellenbaum static int 29070a586ceaSMark Shellenbaum zfs_ace_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 29080a586ceaSMark Shellenbaum { 29090a586ceaSMark Shellenbaum zfs_ace_t zace; 29100a586ceaSMark Shellenbaum int verbose = FALSE; 29110a586ceaSMark Shellenbaum uint64_t id; 29120a586ceaSMark Shellenbaum 29130a586ceaSMark Shellenbaum if (!(flags & DCMD_ADDRSPEC)) 29140a586ceaSMark Shellenbaum return (DCMD_USAGE); 29150a586ceaSMark Shellenbaum 29160a586ceaSMark Shellenbaum if (mdb_getopts(argc, argv, 29170a586ceaSMark Shellenbaum 'v', MDB_OPT_SETBITS, TRUE, &verbose, TRUE, NULL) != argc) 29180a586ceaSMark Shellenbaum return (DCMD_USAGE); 29190a586ceaSMark Shellenbaum 29200a586ceaSMark Shellenbaum if (mdb_vread(&zace, sizeof (zfs_ace_t), addr) == -1) { 29210a586ceaSMark Shellenbaum mdb_warn("failed to read zfs_ace_t"); 29220a586ceaSMark Shellenbaum return (DCMD_ERR); 29230a586ceaSMark Shellenbaum } 29240a586ceaSMark Shellenbaum 29250a586ceaSMark Shellenbaum if ((zace.z_hdr.z_flags & ACE_TYPE_FLAGS) == 0 || 29260a586ceaSMark Shellenbaum (zace.z_hdr.z_flags & ACE_TYPE_FLAGS) == ACE_IDENTIFIER_GROUP) 29270a586ceaSMark Shellenbaum id = zace.z_fuid; 29280a586ceaSMark Shellenbaum else 29290a586ceaSMark Shellenbaum id = -1; 29300a586ceaSMark Shellenbaum 29310a586ceaSMark Shellenbaum return (zfs_ace_print_common(addr, flags, id, zace.z_hdr.z_access_mask, 29320a586ceaSMark Shellenbaum zace.z_hdr.z_flags, zace.z_hdr.z_type, verbose)); 29330a586ceaSMark Shellenbaum } 29340a586ceaSMark Shellenbaum 29350a586ceaSMark Shellenbaum /* ARGSUSED */ 29360a586ceaSMark Shellenbaum static int 29370a586ceaSMark Shellenbaum zfs_ace0_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 29380a586ceaSMark Shellenbaum { 29390a586ceaSMark Shellenbaum ace_t ace; 29400a586ceaSMark Shellenbaum uint64_t id; 29410a586ceaSMark Shellenbaum int verbose = FALSE; 29420a586ceaSMark Shellenbaum 29430a586ceaSMark Shellenbaum if (!(flags & DCMD_ADDRSPEC)) 29440a586ceaSMark Shellenbaum return (DCMD_USAGE); 29450a586ceaSMark Shellenbaum 29460a586ceaSMark Shellenbaum if (mdb_getopts(argc, argv, 29470a586ceaSMark Shellenbaum 'v', MDB_OPT_SETBITS, TRUE, &verbose, TRUE, NULL) != argc) 29480a586ceaSMark Shellenbaum return (DCMD_USAGE); 29490a586ceaSMark Shellenbaum 29500a586ceaSMark Shellenbaum if (mdb_vread(&ace, sizeof (ace_t), addr) == -1) { 29510a586ceaSMark Shellenbaum mdb_warn("failed to read ace_t"); 29520a586ceaSMark Shellenbaum return (DCMD_ERR); 29530a586ceaSMark Shellenbaum } 29540a586ceaSMark Shellenbaum 29550a586ceaSMark Shellenbaum if ((ace.a_flags & ACE_TYPE_FLAGS) == 0 || 29560a586ceaSMark Shellenbaum (ace.a_flags & ACE_TYPE_FLAGS) == ACE_IDENTIFIER_GROUP) 29570a586ceaSMark Shellenbaum id = ace.a_who; 29580a586ceaSMark Shellenbaum else 29590a586ceaSMark Shellenbaum id = -1; 29600a586ceaSMark Shellenbaum 29610a586ceaSMark Shellenbaum return (zfs_ace_print_common(addr, flags, id, ace.a_access_mask, 29620a586ceaSMark Shellenbaum ace.a_flags, ace.a_type, verbose)); 29630a586ceaSMark Shellenbaum } 29640a586ceaSMark Shellenbaum 29650a586ceaSMark Shellenbaum typedef struct acl_dump_args { 29660a586ceaSMark Shellenbaum int a_argc; 29670a586ceaSMark Shellenbaum const mdb_arg_t *a_argv; 29680a586ceaSMark Shellenbaum uint16_t a_version; 29690a586ceaSMark Shellenbaum int a_flags; 29700a586ceaSMark Shellenbaum } acl_dump_args_t; 29710a586ceaSMark Shellenbaum 29720a586ceaSMark Shellenbaum /* ARGSUSED */ 29730a586ceaSMark Shellenbaum static int 29740a586ceaSMark Shellenbaum acl_aces_cb(uintptr_t addr, const void *unknown, void *arg) 29750a586ceaSMark Shellenbaum { 29760a586ceaSMark Shellenbaum acl_dump_args_t *acl_args = (acl_dump_args_t *)arg; 29770a586ceaSMark Shellenbaum 29780a586ceaSMark Shellenbaum if (acl_args->a_version == 1) { 29790a586ceaSMark Shellenbaum if (mdb_call_dcmd("zfs_ace", addr, 29800a586ceaSMark Shellenbaum DCMD_ADDRSPEC|acl_args->a_flags, acl_args->a_argc, 29810a586ceaSMark Shellenbaum acl_args->a_argv) != DCMD_OK) { 29820a586ceaSMark Shellenbaum return (WALK_ERR); 29830a586ceaSMark Shellenbaum } 29840a586ceaSMark Shellenbaum } else { 29850a586ceaSMark Shellenbaum if (mdb_call_dcmd("zfs_ace0", addr, 29860a586ceaSMark Shellenbaum DCMD_ADDRSPEC|acl_args->a_flags, acl_args->a_argc, 29870a586ceaSMark Shellenbaum acl_args->a_argv) != DCMD_OK) { 29880a586ceaSMark Shellenbaum return (WALK_ERR); 29890a586ceaSMark Shellenbaum } 29900a586ceaSMark Shellenbaum } 29910a586ceaSMark Shellenbaum acl_args->a_flags = DCMD_LOOP; 29920a586ceaSMark Shellenbaum return (WALK_NEXT); 29930a586ceaSMark Shellenbaum } 29940a586ceaSMark Shellenbaum 29950a586ceaSMark Shellenbaum /* ARGSUSED */ 29960a586ceaSMark Shellenbaum static int 29970a586ceaSMark Shellenbaum acl_cb(uintptr_t addr, const void *unknown, void *arg) 29980a586ceaSMark Shellenbaum { 29990a586ceaSMark Shellenbaum acl_dump_args_t *acl_args = (acl_dump_args_t *)arg; 30000a586ceaSMark Shellenbaum 30010a586ceaSMark Shellenbaum if (acl_args->a_version == 1) { 30020a586ceaSMark Shellenbaum if (mdb_pwalk("zfs_acl_node_aces", acl_aces_cb, 30030a586ceaSMark Shellenbaum arg, addr) != 0) { 30040a586ceaSMark Shellenbaum mdb_warn("can't walk ACEs"); 30050a586ceaSMark Shellenbaum return (DCMD_ERR); 30060a586ceaSMark Shellenbaum } 30070a586ceaSMark Shellenbaum } else { 30080a586ceaSMark Shellenbaum if (mdb_pwalk("zfs_acl_node_aces0", acl_aces_cb, 30090a586ceaSMark Shellenbaum arg, addr) != 0) { 30100a586ceaSMark Shellenbaum mdb_warn("can't walk ACEs"); 30110a586ceaSMark Shellenbaum return (DCMD_ERR); 30120a586ceaSMark Shellenbaum } 30130a586ceaSMark Shellenbaum } 30140a586ceaSMark Shellenbaum return (WALK_NEXT); 30150a586ceaSMark Shellenbaum } 30160a586ceaSMark Shellenbaum 30170a586ceaSMark Shellenbaum /* ARGSUSED */ 30180a586ceaSMark Shellenbaum static int 30190a586ceaSMark Shellenbaum zfs_acl_dump(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 30200a586ceaSMark Shellenbaum { 30210a586ceaSMark Shellenbaum zfs_acl_t zacl; 30220a586ceaSMark Shellenbaum int verbose = FALSE; 30230a586ceaSMark Shellenbaum acl_dump_args_t acl_args; 30240a586ceaSMark Shellenbaum 30250a586ceaSMark Shellenbaum if (!(flags & DCMD_ADDRSPEC)) 30260a586ceaSMark Shellenbaum return (DCMD_USAGE); 30270a586ceaSMark Shellenbaum 30280a586ceaSMark Shellenbaum if (mdb_getopts(argc, argv, 30290a586ceaSMark Shellenbaum 'v', MDB_OPT_SETBITS, TRUE, &verbose, TRUE, NULL) != argc) 30300a586ceaSMark Shellenbaum return (DCMD_USAGE); 30310a586ceaSMark Shellenbaum 30320a586ceaSMark Shellenbaum if (mdb_vread(&zacl, sizeof (zfs_acl_t), addr) == -1) { 30330a586ceaSMark Shellenbaum mdb_warn("failed to read zfs_acl_t"); 30340a586ceaSMark Shellenbaum return (DCMD_ERR); 30350a586ceaSMark Shellenbaum } 30360a586ceaSMark Shellenbaum 30370a586ceaSMark Shellenbaum acl_args.a_argc = argc; 30380a586ceaSMark Shellenbaum acl_args.a_argv = argv; 30390a586ceaSMark Shellenbaum acl_args.a_version = zacl.z_version; 30400a586ceaSMark Shellenbaum acl_args.a_flags = DCMD_LOOPFIRST; 30410a586ceaSMark Shellenbaum 30420a586ceaSMark Shellenbaum if (mdb_pwalk("zfs_acl_node", acl_cb, &acl_args, addr) != 0) { 30430a586ceaSMark Shellenbaum mdb_warn("can't walk ACL"); 30440a586ceaSMark Shellenbaum return (DCMD_ERR); 30450a586ceaSMark Shellenbaum } 30460a586ceaSMark Shellenbaum 30470a586ceaSMark Shellenbaum return (DCMD_OK); 30480a586ceaSMark Shellenbaum } 30490a586ceaSMark Shellenbaum 30500a586ceaSMark Shellenbaum /* ARGSUSED */ 30510a586ceaSMark Shellenbaum static int 30520a586ceaSMark Shellenbaum zfs_acl_node_walk_init(mdb_walk_state_t *wsp) 30530a586ceaSMark Shellenbaum { 30540a586ceaSMark Shellenbaum if (wsp->walk_addr == NULL) { 30550a586ceaSMark Shellenbaum mdb_warn("must supply address of zfs_acl_node_t\n"); 30560a586ceaSMark Shellenbaum return (WALK_ERR); 30570a586ceaSMark Shellenbaum } 30580a586ceaSMark Shellenbaum 305928e4da25SMatthew Ahrens wsp->walk_addr += 306028e4da25SMatthew Ahrens mdb_ctf_offsetof_by_name(ZFS_STRUCT "zfs_acl", "z_acl"); 30610a586ceaSMark Shellenbaum 30620a586ceaSMark Shellenbaum if (mdb_layered_walk("list", wsp) == -1) { 30630a586ceaSMark Shellenbaum mdb_warn("failed to walk 'list'\n"); 30640a586ceaSMark Shellenbaum return (WALK_ERR); 30650a586ceaSMark Shellenbaum } 30660a586ceaSMark Shellenbaum 30670a586ceaSMark Shellenbaum return (WALK_NEXT); 30680a586ceaSMark Shellenbaum } 30690a586ceaSMark Shellenbaum 30700a586ceaSMark Shellenbaum static int 30710a586ceaSMark Shellenbaum zfs_acl_node_walk_step(mdb_walk_state_t *wsp) 30720a586ceaSMark Shellenbaum { 30730a586ceaSMark Shellenbaum zfs_acl_node_t aclnode; 30740a586ceaSMark Shellenbaum 30750a586ceaSMark Shellenbaum if (mdb_vread(&aclnode, sizeof (zfs_acl_node_t), 30760a586ceaSMark Shellenbaum wsp->walk_addr) == -1) { 30770a586ceaSMark Shellenbaum mdb_warn("failed to read zfs_acl_node at %p", wsp->walk_addr); 30780a586ceaSMark Shellenbaum return (WALK_ERR); 30790a586ceaSMark Shellenbaum } 30800a586ceaSMark Shellenbaum 30810a586ceaSMark Shellenbaum return (wsp->walk_callback(wsp->walk_addr, &aclnode, wsp->walk_cbdata)); 30820a586ceaSMark Shellenbaum } 30830a586ceaSMark Shellenbaum 30840a586ceaSMark Shellenbaum typedef struct ace_walk_data { 30850a586ceaSMark Shellenbaum int ace_count; 30860a586ceaSMark Shellenbaum int ace_version; 30870a586ceaSMark Shellenbaum } ace_walk_data_t; 30880a586ceaSMark Shellenbaum 30890a586ceaSMark Shellenbaum static int 30900a586ceaSMark Shellenbaum zfs_aces_walk_init_common(mdb_walk_state_t *wsp, int version, 30910a586ceaSMark Shellenbaum int ace_count, uintptr_t ace_data) 30920a586ceaSMark Shellenbaum { 30930a586ceaSMark Shellenbaum ace_walk_data_t *ace_walk_data; 30940a586ceaSMark Shellenbaum 30950a586ceaSMark Shellenbaum if (wsp->walk_addr == NULL) { 30960a586ceaSMark Shellenbaum mdb_warn("must supply address of zfs_acl_node_t\n"); 30970a586ceaSMark Shellenbaum return (WALK_ERR); 30980a586ceaSMark Shellenbaum } 30990a586ceaSMark Shellenbaum 31000a586ceaSMark Shellenbaum ace_walk_data = mdb_alloc(sizeof (ace_walk_data_t), UM_SLEEP | UM_GC); 31010a586ceaSMark Shellenbaum 31020a586ceaSMark Shellenbaum ace_walk_data->ace_count = ace_count; 31030a586ceaSMark Shellenbaum ace_walk_data->ace_version = version; 31040a586ceaSMark Shellenbaum 31050a586ceaSMark Shellenbaum wsp->walk_addr = ace_data; 31060a586ceaSMark Shellenbaum wsp->walk_data = ace_walk_data; 31070a586ceaSMark Shellenbaum 31080a586ceaSMark Shellenbaum return (WALK_NEXT); 31090a586ceaSMark Shellenbaum } 31100a586ceaSMark Shellenbaum 31110a586ceaSMark Shellenbaum static int 31120a586ceaSMark Shellenbaum zfs_acl_node_aces_walk_init_common(mdb_walk_state_t *wsp, int version) 31130a586ceaSMark Shellenbaum { 31140a586ceaSMark Shellenbaum static int gotid; 31150a586ceaSMark Shellenbaum static mdb_ctf_id_t acl_id; 31160a586ceaSMark Shellenbaum int z_ace_count; 31170a586ceaSMark Shellenbaum uintptr_t z_acldata; 31180a586ceaSMark Shellenbaum 31190a586ceaSMark Shellenbaum if (!gotid) { 31200a586ceaSMark Shellenbaum if (mdb_ctf_lookup_by_name("struct zfs_acl_node", 31210a586ceaSMark Shellenbaum &acl_id) == -1) { 31220a586ceaSMark Shellenbaum mdb_warn("couldn't find struct zfs_acl_node"); 31230a586ceaSMark Shellenbaum return (DCMD_ERR); 31240a586ceaSMark Shellenbaum } 31250a586ceaSMark Shellenbaum gotid = TRUE; 31260a586ceaSMark Shellenbaum } 31270a586ceaSMark Shellenbaum 31280a586ceaSMark Shellenbaum if (GETMEMBID(wsp->walk_addr, &acl_id, z_ace_count, z_ace_count)) { 31290a586ceaSMark Shellenbaum return (DCMD_ERR); 31300a586ceaSMark Shellenbaum } 31310a586ceaSMark Shellenbaum if (GETMEMBID(wsp->walk_addr, &acl_id, z_acldata, z_acldata)) { 31320a586ceaSMark Shellenbaum return (DCMD_ERR); 31330a586ceaSMark Shellenbaum } 31340a586ceaSMark Shellenbaum 31350a586ceaSMark Shellenbaum return (zfs_aces_walk_init_common(wsp, version, 31360a586ceaSMark Shellenbaum z_ace_count, z_acldata)); 31370a586ceaSMark Shellenbaum } 31380a586ceaSMark Shellenbaum 31390a586ceaSMark Shellenbaum /* ARGSUSED */ 31400a586ceaSMark Shellenbaum static int 31410a586ceaSMark Shellenbaum zfs_acl_node_aces_walk_init(mdb_walk_state_t *wsp) 31420a586ceaSMark Shellenbaum { 31430a586ceaSMark Shellenbaum return (zfs_acl_node_aces_walk_init_common(wsp, 1)); 31440a586ceaSMark Shellenbaum } 31450a586ceaSMark Shellenbaum 31460a586ceaSMark Shellenbaum /* ARGSUSED */ 31470a586ceaSMark Shellenbaum static int 31480a586ceaSMark Shellenbaum zfs_acl_node_aces0_walk_init(mdb_walk_state_t *wsp) 31490a586ceaSMark Shellenbaum { 31500a586ceaSMark Shellenbaum return (zfs_acl_node_aces_walk_init_common(wsp, 0)); 31510a586ceaSMark Shellenbaum } 31520a586ceaSMark Shellenbaum 31530a586ceaSMark Shellenbaum static int 31540a586ceaSMark Shellenbaum zfs_aces_walk_step(mdb_walk_state_t *wsp) 31550a586ceaSMark Shellenbaum { 31560a586ceaSMark Shellenbaum ace_walk_data_t *ace_data = wsp->walk_data; 31570a586ceaSMark Shellenbaum zfs_ace_t zace; 31580a586ceaSMark Shellenbaum ace_t *acep; 31590a586ceaSMark Shellenbaum int status; 31600a586ceaSMark Shellenbaum int entry_type; 31610a586ceaSMark Shellenbaum int allow_type; 31620a586ceaSMark Shellenbaum uintptr_t ptr; 31630a586ceaSMark Shellenbaum 31640a586ceaSMark Shellenbaum if (ace_data->ace_count == 0) 31650a586ceaSMark Shellenbaum return (WALK_DONE); 31660a586ceaSMark Shellenbaum 31670a586ceaSMark Shellenbaum if (mdb_vread(&zace, sizeof (zfs_ace_t), wsp->walk_addr) == -1) { 31680a586ceaSMark Shellenbaum mdb_warn("failed to read zfs_ace_t at %#lx", 31690a586ceaSMark Shellenbaum wsp->walk_addr); 31700a586ceaSMark Shellenbaum return (WALK_ERR); 31710a586ceaSMark Shellenbaum } 31720a586ceaSMark Shellenbaum 31730a586ceaSMark Shellenbaum switch (ace_data->ace_version) { 31740a586ceaSMark Shellenbaum case 0: 31750a586ceaSMark Shellenbaum acep = (ace_t *)&zace; 31760a586ceaSMark Shellenbaum entry_type = acep->a_flags & ACE_TYPE_FLAGS; 31770a586ceaSMark Shellenbaum allow_type = acep->a_type; 31780a586ceaSMark Shellenbaum break; 31790a586ceaSMark Shellenbaum case 1: 31800a586ceaSMark Shellenbaum entry_type = zace.z_hdr.z_flags & ACE_TYPE_FLAGS; 31810a586ceaSMark Shellenbaum allow_type = zace.z_hdr.z_type; 31820a586ceaSMark Shellenbaum break; 31830a586ceaSMark Shellenbaum default: 31840a586ceaSMark Shellenbaum return (WALK_ERR); 31850a586ceaSMark Shellenbaum } 31860a586ceaSMark Shellenbaum 31870a586ceaSMark Shellenbaum ptr = (uintptr_t)wsp->walk_addr; 31880a586ceaSMark Shellenbaum switch (entry_type) { 31890a586ceaSMark Shellenbaum case ACE_OWNER: 31900a586ceaSMark Shellenbaum case ACE_EVERYONE: 31910a586ceaSMark Shellenbaum case (ACE_IDENTIFIER_GROUP | ACE_GROUP): 31920a586ceaSMark Shellenbaum ptr += ace_data->ace_version == 0 ? 31930a586ceaSMark Shellenbaum sizeof (ace_t) : sizeof (zfs_ace_hdr_t); 31940a586ceaSMark Shellenbaum break; 31950a586ceaSMark Shellenbaum case ACE_IDENTIFIER_GROUP: 31960a586ceaSMark Shellenbaum default: 31970a586ceaSMark Shellenbaum switch (allow_type) { 31980a586ceaSMark Shellenbaum case ACE_ACCESS_ALLOWED_OBJECT_ACE_TYPE: 31990a586ceaSMark Shellenbaum case ACE_ACCESS_DENIED_OBJECT_ACE_TYPE: 32000a586ceaSMark Shellenbaum case ACE_SYSTEM_AUDIT_OBJECT_ACE_TYPE: 32010a586ceaSMark Shellenbaum case ACE_SYSTEM_ALARM_OBJECT_ACE_TYPE: 32020a586ceaSMark Shellenbaum ptr += ace_data->ace_version == 0 ? 32030a586ceaSMark Shellenbaum sizeof (ace_t) : sizeof (zfs_object_ace_t); 32040a586ceaSMark Shellenbaum break; 32050a586ceaSMark Shellenbaum default: 32060a586ceaSMark Shellenbaum ptr += ace_data->ace_version == 0 ? 32070a586ceaSMark Shellenbaum sizeof (ace_t) : sizeof (zfs_ace_t); 32080a586ceaSMark Shellenbaum break; 32090a586ceaSMark Shellenbaum } 32100a586ceaSMark Shellenbaum } 32110a586ceaSMark Shellenbaum 32120a586ceaSMark Shellenbaum ace_data->ace_count--; 32130a586ceaSMark Shellenbaum status = wsp->walk_callback(wsp->walk_addr, 32140a586ceaSMark Shellenbaum (void *)(uintptr_t)&zace, wsp->walk_cbdata); 32150a586ceaSMark Shellenbaum 32160a586ceaSMark Shellenbaum wsp->walk_addr = ptr; 32170a586ceaSMark Shellenbaum return (status); 32180a586ceaSMark Shellenbaum } 32190a586ceaSMark Shellenbaum 322028e4da25SMatthew Ahrens typedef struct mdb_zfs_rrwlock { 3221d5ee8a13SMatthew Ahrens uintptr_t rr_writer; 322228e4da25SMatthew Ahrens boolean_t rr_writer_wanted; 322328e4da25SMatthew Ahrens } mdb_zfs_rrwlock_t; 322428e4da25SMatthew Ahrens 322528e4da25SMatthew Ahrens static uint_t rrw_key; 322628e4da25SMatthew Ahrens 322728e4da25SMatthew Ahrens /* ARGSUSED */ 322828e4da25SMatthew Ahrens static int 322928e4da25SMatthew Ahrens rrwlock(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 323028e4da25SMatthew Ahrens { 323128e4da25SMatthew Ahrens mdb_zfs_rrwlock_t rrw; 323228e4da25SMatthew Ahrens 323328e4da25SMatthew Ahrens if (rrw_key == 0) { 323428e4da25SMatthew Ahrens if (mdb_ctf_readsym(&rrw_key, "uint_t", "rrw_tsd_key", 0) == -1) 323528e4da25SMatthew Ahrens return (DCMD_ERR); 323628e4da25SMatthew Ahrens } 323728e4da25SMatthew Ahrens 323828e4da25SMatthew Ahrens if (mdb_ctf_vread(&rrw, "rrwlock_t", "mdb_zfs_rrwlock_t", addr, 323928e4da25SMatthew Ahrens 0) == -1) 324028e4da25SMatthew Ahrens return (DCMD_ERR); 324128e4da25SMatthew Ahrens 3242d5ee8a13SMatthew Ahrens if (rrw.rr_writer != 0) { 3243d5ee8a13SMatthew Ahrens mdb_printf("write lock held by thread %lx\n", rrw.rr_writer); 324428e4da25SMatthew Ahrens return (DCMD_OK); 324528e4da25SMatthew Ahrens } 324628e4da25SMatthew Ahrens 324728e4da25SMatthew Ahrens if (rrw.rr_writer_wanted) { 324828e4da25SMatthew Ahrens mdb_printf("writer wanted\n"); 324928e4da25SMatthew Ahrens } 325028e4da25SMatthew Ahrens 325128e4da25SMatthew Ahrens mdb_printf("anonymous references:\n"); 325228e4da25SMatthew Ahrens (void) mdb_call_dcmd("refcount", addr + 325328e4da25SMatthew Ahrens mdb_ctf_offsetof_by_name(ZFS_STRUCT "rrwlock", "rr_anon_rcount"), 325428e4da25SMatthew Ahrens DCMD_ADDRSPEC, 0, NULL); 325528e4da25SMatthew Ahrens 325628e4da25SMatthew Ahrens mdb_printf("linked references:\n"); 325728e4da25SMatthew Ahrens (void) mdb_call_dcmd("refcount", addr + 325828e4da25SMatthew Ahrens mdb_ctf_offsetof_by_name(ZFS_STRUCT "rrwlock", "rr_linked_rcount"), 325928e4da25SMatthew Ahrens DCMD_ADDRSPEC, 0, NULL); 326028e4da25SMatthew Ahrens 326128e4da25SMatthew Ahrens /* 326228e4da25SMatthew Ahrens * XXX This should find references from 326328e4da25SMatthew Ahrens * "::walk thread | ::tsd -v <rrw_key>", but there is no support 326428e4da25SMatthew Ahrens * for programmatic consumption of dcmds, so this would be 326528e4da25SMatthew Ahrens * difficult, potentially requiring reimplementing ::tsd (both 326628e4da25SMatthew Ahrens * user and kernel versions) in this MDB module. 326728e4da25SMatthew Ahrens */ 326828e4da25SMatthew Ahrens 326928e4da25SMatthew Ahrens return (DCMD_OK); 327028e4da25SMatthew Ahrens } 327128e4da25SMatthew Ahrens 3272fa9e4066Sahrens /* 3273fa9e4066Sahrens * MDB module linkage information: 3274fa9e4066Sahrens * 3275fa9e4066Sahrens * We declare a list of structures describing our dcmds, and a function 3276fa9e4066Sahrens * named _mdb_init to return a pointer to our module information. 3277fa9e4066Sahrens */ 3278fa9e4066Sahrens 3279fa9e4066Sahrens static const mdb_dcmd_t dcmds[] = { 328091ebeef5Sahrens { "arc", "[-bkmg]", "print ARC variables", arc_print }, 3281fa9e4066Sahrens { "blkptr", ":", "print blkptr_t", blkptr }, 3282fa9e4066Sahrens { "dbuf", ":", "print dmu_buf_impl_t", dbuf }, 3283fa9e4066Sahrens { "dbuf_stats", ":", "dbuf stats", dbuf_stats }, 3284fa9e4066Sahrens { "dbufs", 32854223fc7cSMark Shellenbaum "\t[-O objset_t*] [-n objset_name | \"mos\"] " 3286a3f829aeSBill Moore "[-o object | \"mdn\"] \n" 3287a3f829aeSBill Moore "\t[-l level] [-b blkid | \"bonus\"]", 3288a3f829aeSBill Moore "find dmu_buf_impl_t's that match specified criteria", dbufs }, 3289fa9e4066Sahrens { "abuf_find", "dva_word[0] dva_word[1]", 3290a3f829aeSBill Moore "find arc_buf_hdr_t of a specified DVA", 3291a3f829aeSBill Moore abuf_find }, 32922e4c9986SGeorge Wilson { "spa", "?[-cevmMh]\n" 32932e4c9986SGeorge Wilson "\t-c display spa config\n" 32942e4c9986SGeorge Wilson "\t-e display vdev statistics\n" 32952e4c9986SGeorge Wilson "\t-v display vdev information\n" 32962e4c9986SGeorge Wilson "\t-m display metaslab statistics\n" 32972e4c9986SGeorge Wilson "\t-M display metaslab group statistics\n" 32982e4c9986SGeorge Wilson "\t-h display histogram (requires -m or -M)\n", 32992e4c9986SGeorge Wilson "spa_t summary", spa_print }, 3300fa9e4066Sahrens { "spa_config", ":", "print spa_t configuration", spa_print_config }, 3301fa9e4066Sahrens { "spa_space", ":[-b]", "print spa_t on-disk space usage", spa_space }, 33022e4c9986SGeorge Wilson { "spa_vdevs", ":[-emMh]\n" 33032e4c9986SGeorge Wilson "\t-e display vdev statistics\n" 33042e4c9986SGeorge Wilson "\t-m dispaly metaslab statistics\n" 33052e4c9986SGeorge Wilson "\t-M display metaslab group statistic\n" 33062e4c9986SGeorge Wilson "\t-h display histogram (requires -m or -M)\n", 33072e4c9986SGeorge Wilson "given a spa_t, print vdev summary", spa_vdevs }, 330891ebeef5Sahrens { "vdev", ":[-re]\n" 3309a3f829aeSBill Moore "\t-r display recursively\n" 33102e4c9986SGeorge Wilson "\t-e display statistics\n" 33112e4c9986SGeorge Wilson "\t-m display metaslab statistics\n" 33122e4c9986SGeorge Wilson "\t-M display metaslab group statistics\n" 33132e4c9986SGeorge Wilson "\t-h display histogram (requires -m or -M)\n", 3314a3f829aeSBill Moore "vdev_t summary", vdev_print }, 33152e4c9986SGeorge Wilson { "zio", ":[-cpr]\n" 3316a3f829aeSBill Moore "\t-c display children\n" 3317a3f829aeSBill Moore "\t-p display parents\n" 3318a3f829aeSBill Moore "\t-r display recursively", 3319a3f829aeSBill Moore "zio_t summary", zio_print }, 3320ccae0b50Seschrock { "zio_state", "?", "print out all zio_t structures on system or " 3321ccae0b50Seschrock "for a particular pool", zio_state }, 332288b7b0f2SMatthew Ahrens { "zfs_blkstats", ":[-v]", 332388b7b0f2SMatthew Ahrens "given a spa_t, print block type stats from last scrub", 332488b7b0f2SMatthew Ahrens zfs_blkstats }, 3325614409b5Sahrens { "zfs_params", "", "print zfs tunable parameters", zfs_params }, 332628e4da25SMatthew Ahrens { "refcount", ":[-r]\n" 332728e4da25SMatthew Ahrens "\t-r display recently removed references", 332828e4da25SMatthew Ahrens "print refcount_t holders", refcount }, 33293f1f8012SMatthew Ahrens { "zap_leaf", "", "print zap_leaf_phys_t", zap_leaf }, 33300a586ceaSMark Shellenbaum { "zfs_aces", ":[-v]", "print all ACEs from a zfs_acl_t", 33310a586ceaSMark Shellenbaum zfs_acl_dump }, 33320a586ceaSMark Shellenbaum { "zfs_ace", ":[-v]", "print zfs_ace", zfs_ace_print }, 33330a586ceaSMark Shellenbaum { "zfs_ace0", ":[-v]", "print zfs_ace0", zfs_ace0_print }, 33340a586ceaSMark Shellenbaum { "sa_attr_table", ":", "print SA attribute table from sa_os_t", 33350a586ceaSMark Shellenbaum sa_attr_table}, 33360a586ceaSMark Shellenbaum { "sa_attr", ": attr_id", 33370a586ceaSMark Shellenbaum "print SA attribute address when given sa_handle_t", sa_attr_print}, 333828e4da25SMatthew Ahrens { "zfs_dbgmsg", ":[-va]", 33393f9d6ad7SLin Ling "print zfs debug log", dbgmsg}, 334028e4da25SMatthew Ahrens { "rrwlock", ":", 334128e4da25SMatthew Ahrens "print rrwlock_t, including readers", rrwlock}, 3342fa9e4066Sahrens { NULL } 3343fa9e4066Sahrens }; 3344fa9e4066Sahrens 3345fa9e4066Sahrens static const mdb_walker_t walkers[] = { 3346fa9e4066Sahrens { "zms_freelist", "walk ZFS metaslab freelist", 334728e4da25SMatthew Ahrens freelist_walk_init, freelist_walk_step, NULL }, 3348fa9e4066Sahrens { "txg_list", "given any txg_list_t *, walk all entries in all txgs", 334928e4da25SMatthew Ahrens txg_list_walk_init, txg_list_walk_step, NULL }, 3350fa9e4066Sahrens { "txg_list0", "given any txg_list_t *, walk all entries in txg 0", 335128e4da25SMatthew Ahrens txg_list0_walk_init, txg_list_walk_step, NULL }, 3352fa9e4066Sahrens { "txg_list1", "given any txg_list_t *, walk all entries in txg 1", 335328e4da25SMatthew Ahrens txg_list1_walk_init, txg_list_walk_step, NULL }, 3354fa9e4066Sahrens { "txg_list2", "given any txg_list_t *, walk all entries in txg 2", 335528e4da25SMatthew Ahrens txg_list2_walk_init, txg_list_walk_step, NULL }, 3356fa9e4066Sahrens { "txg_list3", "given any txg_list_t *, walk all entries in txg 3", 335728e4da25SMatthew Ahrens txg_list3_walk_init, txg_list_walk_step, NULL }, 3358ccae0b50Seschrock { "zio", "walk all zio structures, optionally for a particular spa_t", 335928e4da25SMatthew Ahrens zio_walk_init, zio_walk_step, NULL }, 336028e4da25SMatthew Ahrens { "zio_root", 336128e4da25SMatthew Ahrens "walk all root zio_t structures, optionally for a particular spa_t", 336228e4da25SMatthew Ahrens zio_walk_init, zio_walk_root_step, NULL }, 3363fa9e4066Sahrens { "spa", "walk all spa_t entries in the namespace", 336428e4da25SMatthew Ahrens spa_walk_init, spa_walk_step, NULL }, 33655f5f7a6fSahrens { "metaslab", "given a spa_t *, walk all metaslab_t structures", 336628e4da25SMatthew Ahrens metaslab_walk_init, metaslab_walk_step, NULL }, 33670a586ceaSMark Shellenbaum { "zfs_acl_node", "given a zfs_acl_t, walk all zfs_acl_nodes", 33680a586ceaSMark Shellenbaum zfs_acl_node_walk_init, zfs_acl_node_walk_step, NULL }, 33690a586ceaSMark Shellenbaum { "zfs_acl_node_aces", "given a zfs_acl_node_t, walk all ACEs", 33700a586ceaSMark Shellenbaum zfs_acl_node_aces_walk_init, zfs_aces_walk_step, NULL }, 33710a586ceaSMark Shellenbaum { "zfs_acl_node_aces0", 33720a586ceaSMark Shellenbaum "given a zfs_acl_node_t, walk all ACEs as ace_t", 33730a586ceaSMark Shellenbaum zfs_acl_node_aces0_walk_init, zfs_aces_walk_step, NULL }, 3374fa9e4066Sahrens { NULL } 3375fa9e4066Sahrens }; 3376fa9e4066Sahrens 3377fa9e4066Sahrens static const mdb_modinfo_t modinfo = { 3378fa9e4066Sahrens MDB_API_VERSION, dcmds, walkers 3379fa9e4066Sahrens }; 3380fa9e4066Sahrens 3381fa9e4066Sahrens const mdb_modinfo_t * 3382fa9e4066Sahrens _mdb_init(void) 3383fa9e4066Sahrens { 3384fa9e4066Sahrens return (&modinfo); 3385fa9e4066Sahrens } 3386