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*91e2a09fSSteve Gonczi * Copyright (c) 2011, 2016 by Delphix. All rights reserved. 25fa9e4066Sahrens */ 26fa9e4066Sahrens 2755da60b9SMark J Musante /* Portions Copyright 2010 Robert Milkowski */ 2855da60b9SMark J Musante 29fa9e4066Sahrens #include <mdb/mdb_ctf.h> 30fa9e4066Sahrens #include <sys/zfs_context.h> 31fa9e4066Sahrens #include <sys/mdb_modapi.h> 32fa9e4066Sahrens #include <sys/dbuf.h> 33fa9e4066Sahrens #include <sys/dmu_objset.h> 34fa9e4066Sahrens #include <sys/dsl_dir.h> 35fa9e4066Sahrens #include <sys/dsl_pool.h> 36fa9e4066Sahrens #include <sys/metaslab_impl.h> 37fa9e4066Sahrens #include <sys/space_map.h> 38fa9e4066Sahrens #include <sys/list.h> 39fa9e4066Sahrens #include <sys/vdev_impl.h> 403f1f8012SMatthew Ahrens #include <sys/zap_leaf.h> 413f1f8012SMatthew Ahrens #include <sys/zap_impl.h> 429966ca11SMatthew Ahrens #include <ctype.h> 430a586ceaSMark Shellenbaum #include <sys/zfs_acl.h> 440a586ceaSMark Shellenbaum #include <sys/sa_impl.h> 45dcbf3bd6SGeorge Wilson #include <sys/multilist.h> 46fa9e4066Sahrens 47fa9e4066Sahrens #ifdef _KERNEL 48fa9e4066Sahrens #define ZFS_OBJ_NAME "zfs" 49c55e05cbSMatthew Ahrens extern int64_t mdb_gethrtime(void); 50fa9e4066Sahrens #else 51fa9e4066Sahrens #define ZFS_OBJ_NAME "libzpool.so.1" 52fa9e4066Sahrens #endif 53fa9e4066Sahrens 5428e4da25SMatthew Ahrens #define ZFS_STRUCT "struct " ZFS_OBJ_NAME "`" 5528e4da25SMatthew Ahrens 56feef89cfSVictor Latushkin #ifndef _KERNEL 57feef89cfSVictor Latushkin int aok; 58feef89cfSVictor Latushkin #endif 59feef89cfSVictor Latushkin 602e4c9986SGeorge Wilson enum spa_flags { 612e4c9986SGeorge Wilson SPA_FLAG_CONFIG = 1 << 0, 622e4c9986SGeorge Wilson SPA_FLAG_VDEVS = 1 << 1, 632e4c9986SGeorge Wilson SPA_FLAG_ERRORS = 1 << 2, 642e4c9986SGeorge Wilson SPA_FLAG_METASLAB_GROUPS = 1 << 3, 652e4c9986SGeorge Wilson SPA_FLAG_METASLABS = 1 << 4, 662e4c9986SGeorge Wilson SPA_FLAG_HISTOGRAMS = 1 << 5 672e4c9986SGeorge Wilson }; 682e4c9986SGeorge Wilson 69*91e2a09fSSteve Gonczi /* 70*91e2a09fSSteve Gonczi * If any of these flags are set, call spa_vdevs in spa_print 71*91e2a09fSSteve Gonczi */ 722e4c9986SGeorge Wilson #define SPA_FLAG_ALL_VDEV \ 732e4c9986SGeorge Wilson (SPA_FLAG_VDEVS | SPA_FLAG_ERRORS | SPA_FLAG_METASLAB_GROUPS | \ 74*91e2a09fSSteve Gonczi SPA_FLAG_METASLABS) 752e4c9986SGeorge Wilson 76fa9e4066Sahrens static int 77fa9e4066Sahrens getmember(uintptr_t addr, const char *type, mdb_ctf_id_t *idp, 78fa9e4066Sahrens const char *member, int len, void *buf) 79fa9e4066Sahrens { 80fa9e4066Sahrens mdb_ctf_id_t id; 81fa9e4066Sahrens ulong_t off; 82fa9e4066Sahrens char name[64]; 83fa9e4066Sahrens 84fa9e4066Sahrens if (idp == NULL) { 85fa9e4066Sahrens if (mdb_ctf_lookup_by_name(type, &id) == -1) { 86fa9e4066Sahrens mdb_warn("couldn't find type %s", type); 87fa9e4066Sahrens return (DCMD_ERR); 88fa9e4066Sahrens } 89fa9e4066Sahrens idp = &id; 90fa9e4066Sahrens } else { 91fa9e4066Sahrens type = name; 92fa9e4066Sahrens mdb_ctf_type_name(*idp, name, sizeof (name)); 93fa9e4066Sahrens } 94fa9e4066Sahrens 95fa9e4066Sahrens if (mdb_ctf_offsetof(*idp, member, &off) == -1) { 96fa9e4066Sahrens mdb_warn("couldn't find member %s of type %s\n", member, type); 97fa9e4066Sahrens return (DCMD_ERR); 98fa9e4066Sahrens } 99fa9e4066Sahrens if (off % 8 != 0) { 100fa9e4066Sahrens mdb_warn("member %s of type %s is unsupported bitfield", 101fa9e4066Sahrens member, type); 102fa9e4066Sahrens return (DCMD_ERR); 103fa9e4066Sahrens } 104fa9e4066Sahrens off /= 8; 105fa9e4066Sahrens 106fa9e4066Sahrens if (mdb_vread(buf, len, addr + off) == -1) { 107fa9e4066Sahrens mdb_warn("failed to read %s from %s at %p", 108fa9e4066Sahrens member, type, addr + off); 109fa9e4066Sahrens return (DCMD_ERR); 110fa9e4066Sahrens } 111fa9e4066Sahrens /* mdb_warn("read %s from %s at %p+%llx\n", member, type, addr, off); */ 112fa9e4066Sahrens 113fa9e4066Sahrens return (0); 114fa9e4066Sahrens } 115fa9e4066Sahrens 11628e4da25SMatthew Ahrens #define GETMEMB(addr, structname, member, dest) \ 11728e4da25SMatthew Ahrens getmember(addr, ZFS_STRUCT structname, NULL, #member, \ 11828e4da25SMatthew Ahrens sizeof (dest), &(dest)) 119fa9e4066Sahrens 120fa9e4066Sahrens #define GETMEMBID(addr, ctfid, member, dest) \ 121fa9e4066Sahrens getmember(addr, NULL, ctfid, #member, sizeof (dest), &(dest)) 122fa9e4066Sahrens 1233f9d6ad7SLin Ling static boolean_t 1243f9d6ad7SLin Ling strisprint(const char *cp) 1253f9d6ad7SLin Ling { 1263f9d6ad7SLin Ling for (; *cp; cp++) { 1273f9d6ad7SLin Ling if (!isprint(*cp)) 1283f9d6ad7SLin Ling return (B_FALSE); 1293f9d6ad7SLin Ling } 1303f9d6ad7SLin Ling return (B_TRUE); 1313f9d6ad7SLin Ling } 1323f9d6ad7SLin Ling 1332e4c9986SGeorge Wilson #define NICENUM_BUFLEN 6 1342e4c9986SGeorge Wilson 1352e4c9986SGeorge Wilson static int 1362e4c9986SGeorge Wilson snprintfrac(char *buf, int len, 1372e4c9986SGeorge Wilson uint64_t numerator, uint64_t denom, int frac_digits) 1382e4c9986SGeorge Wilson { 1392e4c9986SGeorge Wilson int mul = 1; 1402e4c9986SGeorge Wilson int whole, frac, i; 1412e4c9986SGeorge Wilson 1422e4c9986SGeorge Wilson for (i = frac_digits; i; i--) 1432e4c9986SGeorge Wilson mul *= 10; 1442e4c9986SGeorge Wilson whole = numerator / denom; 1452e4c9986SGeorge Wilson frac = mul * numerator / denom - mul * whole; 1462e4c9986SGeorge Wilson return (mdb_snprintf(buf, len, "%u.%0*u", whole, frac_digits, frac)); 1472e4c9986SGeorge Wilson } 1482e4c9986SGeorge Wilson 1492e4c9986SGeorge Wilson static void 1502e4c9986SGeorge Wilson mdb_nicenum(uint64_t num, char *buf) 1512e4c9986SGeorge Wilson { 1522e4c9986SGeorge Wilson uint64_t n = num; 1532e4c9986SGeorge Wilson int index = 0; 1542e4c9986SGeorge Wilson char *u; 1552e4c9986SGeorge Wilson 1562e4c9986SGeorge Wilson while (n >= 1024) { 1572e4c9986SGeorge Wilson n = (n + (1024 / 2)) / 1024; /* Round up or down */ 1582e4c9986SGeorge Wilson index++; 1592e4c9986SGeorge Wilson } 1602e4c9986SGeorge Wilson 1612e4c9986SGeorge Wilson u = &" \0K\0M\0G\0T\0P\0E\0"[index*2]; 1622e4c9986SGeorge Wilson 1632e4c9986SGeorge Wilson if (index == 0) { 1642e4c9986SGeorge Wilson (void) mdb_snprintf(buf, NICENUM_BUFLEN, "%llu", 1652e4c9986SGeorge Wilson (u_longlong_t)n); 1662e4c9986SGeorge Wilson } else if (n < 10 && (num & (num - 1)) != 0) { 1672e4c9986SGeorge Wilson (void) snprintfrac(buf, NICENUM_BUFLEN, 1682e4c9986SGeorge Wilson num, 1ULL << 10 * index, 2); 1692e4c9986SGeorge Wilson strcat(buf, u); 1702e4c9986SGeorge Wilson } else if (n < 100 && (num & (num - 1)) != 0) { 1712e4c9986SGeorge Wilson (void) snprintfrac(buf, NICENUM_BUFLEN, 1722e4c9986SGeorge Wilson num, 1ULL << 10 * index, 1); 1732e4c9986SGeorge Wilson strcat(buf, u); 1742e4c9986SGeorge Wilson } else { 1752e4c9986SGeorge Wilson (void) mdb_snprintf(buf, NICENUM_BUFLEN, "%llu%s", 1762e4c9986SGeorge Wilson (u_longlong_t)n, u); 1772e4c9986SGeorge Wilson } 1782e4c9986SGeorge Wilson } 1792e4c9986SGeorge Wilson 180fa9e4066Sahrens static int verbose; 181fa9e4066Sahrens 182fa9e4066Sahrens static int 183fa9e4066Sahrens freelist_walk_init(mdb_walk_state_t *wsp) 184fa9e4066Sahrens { 185fa9e4066Sahrens if (wsp->walk_addr == NULL) { 186fa9e4066Sahrens mdb_warn("must supply starting address\n"); 187fa9e4066Sahrens return (WALK_ERR); 188fa9e4066Sahrens } 189fa9e4066Sahrens 190fa9e4066Sahrens wsp->walk_data = 0; /* Index into the freelist */ 191fa9e4066Sahrens return (WALK_NEXT); 192fa9e4066Sahrens } 193fa9e4066Sahrens 194fa9e4066Sahrens static int 195fa9e4066Sahrens freelist_walk_step(mdb_walk_state_t *wsp) 196fa9e4066Sahrens { 197fa9e4066Sahrens uint64_t entry; 198fa9e4066Sahrens uintptr_t number = (uintptr_t)wsp->walk_data; 1998053a263Sck char *ddata[] = { "ALLOC", "FREE", "CONDENSE", "INVALID", 2008053a263Sck "INVALID", "INVALID", "INVALID", "INVALID" }; 201fa9e4066Sahrens int mapshift = SPA_MINBLOCKSHIFT; 202fa9e4066Sahrens 203fa9e4066Sahrens if (mdb_vread(&entry, sizeof (entry), wsp->walk_addr) == -1) { 204fa9e4066Sahrens mdb_warn("failed to read freelist entry %p", wsp->walk_addr); 205fa9e4066Sahrens return (WALK_DONE); 206fa9e4066Sahrens } 207fa9e4066Sahrens wsp->walk_addr += sizeof (entry); 208fa9e4066Sahrens wsp->walk_data = (void *)(number + 1); 209fa9e4066Sahrens 210fa9e4066Sahrens if (SM_DEBUG_DECODE(entry)) { 211fa9e4066Sahrens mdb_printf("DEBUG: %3u %10s: txg=%llu pass=%llu\n", 212fa9e4066Sahrens number, 213fa9e4066Sahrens ddata[SM_DEBUG_ACTION_DECODE(entry)], 214fa9e4066Sahrens SM_DEBUG_TXG_DECODE(entry), 215fa9e4066Sahrens SM_DEBUG_SYNCPASS_DECODE(entry)); 216fa9e4066Sahrens } else { 217fa9e4066Sahrens mdb_printf("Entry: %3u offsets=%08llx-%08llx type=%c " 218fa9e4066Sahrens "size=%06llx", number, 219fa9e4066Sahrens SM_OFFSET_DECODE(entry) << mapshift, 220fa9e4066Sahrens (SM_OFFSET_DECODE(entry) + SM_RUN_DECODE(entry)) << 221fa9e4066Sahrens mapshift, 222fa9e4066Sahrens SM_TYPE_DECODE(entry) == SM_ALLOC ? 'A' : 'F', 223fa9e4066Sahrens SM_RUN_DECODE(entry) << mapshift); 224fa9e4066Sahrens if (verbose) 225fa9e4066Sahrens mdb_printf(" (raw=%012llx)\n", entry); 226fa9e4066Sahrens mdb_printf("\n"); 227fa9e4066Sahrens } 228fa9e4066Sahrens return (WALK_NEXT); 229fa9e4066Sahrens } 230fa9e4066Sahrens 231fa9e4066Sahrens static int 23228e4da25SMatthew Ahrens mdb_dsl_dir_name(uintptr_t addr, char *buf) 233fa9e4066Sahrens { 234fa9e4066Sahrens static int gotid; 235fa9e4066Sahrens static mdb_ctf_id_t dd_id; 236fa9e4066Sahrens uintptr_t dd_parent; 2379adfa60dSMatthew Ahrens char dd_myname[ZFS_MAX_DATASET_NAME_LEN]; 238fa9e4066Sahrens 239fa9e4066Sahrens if (!gotid) { 24028e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "dsl_dir", 241fa9e4066Sahrens &dd_id) == -1) { 242fa9e4066Sahrens mdb_warn("couldn't find struct dsl_dir"); 243fa9e4066Sahrens return (DCMD_ERR); 244fa9e4066Sahrens } 245fa9e4066Sahrens gotid = TRUE; 246fa9e4066Sahrens } 247fa9e4066Sahrens if (GETMEMBID(addr, &dd_id, dd_parent, dd_parent) || 248fa9e4066Sahrens GETMEMBID(addr, &dd_id, dd_myname, dd_myname)) { 249fa9e4066Sahrens return (DCMD_ERR); 250fa9e4066Sahrens } 251fa9e4066Sahrens 252fa9e4066Sahrens if (dd_parent) { 25328e4da25SMatthew Ahrens if (mdb_dsl_dir_name(dd_parent, buf)) 254fa9e4066Sahrens return (DCMD_ERR); 255fa9e4066Sahrens strcat(buf, "/"); 256fa9e4066Sahrens } 257fa9e4066Sahrens 258fa9e4066Sahrens if (dd_myname[0]) 259fa9e4066Sahrens strcat(buf, dd_myname); 260fa9e4066Sahrens else 261fa9e4066Sahrens strcat(buf, "???"); 262fa9e4066Sahrens 263fa9e4066Sahrens return (0); 264fa9e4066Sahrens } 265fa9e4066Sahrens 266fa9e4066Sahrens static int 267fa9e4066Sahrens objset_name(uintptr_t addr, char *buf) 268fa9e4066Sahrens { 269fa9e4066Sahrens static int gotid; 2704223fc7cSMark Shellenbaum static mdb_ctf_id_t os_id, ds_id; 271fa9e4066Sahrens uintptr_t os_dsl_dataset; 2729adfa60dSMatthew Ahrens char ds_snapname[ZFS_MAX_DATASET_NAME_LEN]; 273fa9e4066Sahrens uintptr_t ds_dir; 274fa9e4066Sahrens 275fa9e4066Sahrens buf[0] = '\0'; 276fa9e4066Sahrens 277fa9e4066Sahrens if (!gotid) { 27828e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "objset", 2794223fc7cSMark Shellenbaum &os_id) == -1) { 2804223fc7cSMark Shellenbaum mdb_warn("couldn't find struct objset"); 281fa9e4066Sahrens return (DCMD_ERR); 282fa9e4066Sahrens } 28328e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "dsl_dataset", 284fa9e4066Sahrens &ds_id) == -1) { 285fa9e4066Sahrens mdb_warn("couldn't find struct dsl_dataset"); 286fa9e4066Sahrens return (DCMD_ERR); 287fa9e4066Sahrens } 288fa9e4066Sahrens 289fa9e4066Sahrens gotid = TRUE; 290fa9e4066Sahrens } 291fa9e4066Sahrens 2924223fc7cSMark Shellenbaum if (GETMEMBID(addr, &os_id, os_dsl_dataset, os_dsl_dataset)) 293fa9e4066Sahrens return (DCMD_ERR); 294fa9e4066Sahrens 295fa9e4066Sahrens if (os_dsl_dataset == 0) { 296fa9e4066Sahrens strcat(buf, "mos"); 297fa9e4066Sahrens return (0); 298fa9e4066Sahrens } 299fa9e4066Sahrens 300fa9e4066Sahrens if (GETMEMBID(os_dsl_dataset, &ds_id, ds_snapname, ds_snapname) || 301fa9e4066Sahrens GETMEMBID(os_dsl_dataset, &ds_id, ds_dir, ds_dir)) { 302fa9e4066Sahrens return (DCMD_ERR); 303fa9e4066Sahrens } 304fa9e4066Sahrens 30528e4da25SMatthew Ahrens if (ds_dir && mdb_dsl_dir_name(ds_dir, buf)) 306fa9e4066Sahrens return (DCMD_ERR); 307fa9e4066Sahrens 308fa9e4066Sahrens if (ds_snapname[0]) { 309fa9e4066Sahrens strcat(buf, "@"); 310fa9e4066Sahrens strcat(buf, ds_snapname); 311fa9e4066Sahrens } 312fa9e4066Sahrens return (0); 313fa9e4066Sahrens } 314fa9e4066Sahrens 315fa9e4066Sahrens static void 316fa9e4066Sahrens enum_lookup(char *out, size_t size, mdb_ctf_id_t id, int val, 317fa9e4066Sahrens const char *prefix) 318fa9e4066Sahrens { 319fa9e4066Sahrens const char *cp; 320fa9e4066Sahrens size_t len = strlen(prefix); 321fa9e4066Sahrens 322fa9e4066Sahrens if ((cp = mdb_ctf_enum_name(id, val)) != NULL) { 323fa9e4066Sahrens if (strncmp(cp, prefix, len) == 0) 324fa9e4066Sahrens cp += len; 325fa9e4066Sahrens (void) strncpy(out, cp, size); 326fa9e4066Sahrens } else { 327fa9e4066Sahrens mdb_snprintf(out, size, "? (%d)", val); 328fa9e4066Sahrens } 329fa9e4066Sahrens } 330fa9e4066Sahrens 331614409b5Sahrens /* ARGSUSED */ 332614409b5Sahrens static int 333614409b5Sahrens zfs_params(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 334614409b5Sahrens { 335614409b5Sahrens /* 336614409b5Sahrens * This table can be approximately generated by running: 337614409b5Sahrens * egrep "^[a-z0-9_]+ [a-z0-9_]+( =.*)?;" *.c | cut -d ' ' -f 2 338614409b5Sahrens */ 339614409b5Sahrens static const char *params[] = { 340614409b5Sahrens "arc_reduce_dnlc_percent", 34169962b56SMatthew Ahrens "arc_lotsfree_percent", 34269962b56SMatthew Ahrens "zfs_dirty_data_max", 34369962b56SMatthew Ahrens "zfs_dirty_data_sync", 34469962b56SMatthew Ahrens "zfs_delay_max_ns", 34569962b56SMatthew Ahrens "zfs_delay_min_dirty_percent", 34669962b56SMatthew Ahrens "zfs_delay_scale", 34769962b56SMatthew Ahrens "zfs_vdev_max_active", 34869962b56SMatthew Ahrens "zfs_vdev_sync_read_min_active", 34969962b56SMatthew Ahrens "zfs_vdev_sync_read_max_active", 35069962b56SMatthew Ahrens "zfs_vdev_sync_write_min_active", 35169962b56SMatthew Ahrens "zfs_vdev_sync_write_max_active", 35269962b56SMatthew Ahrens "zfs_vdev_async_read_min_active", 35369962b56SMatthew Ahrens "zfs_vdev_async_read_max_active", 35469962b56SMatthew Ahrens "zfs_vdev_async_write_min_active", 35569962b56SMatthew Ahrens "zfs_vdev_async_write_max_active", 35669962b56SMatthew Ahrens "zfs_vdev_scrub_min_active", 35769962b56SMatthew Ahrens "zfs_vdev_scrub_max_active", 35869962b56SMatthew Ahrens "zfs_vdev_async_write_active_min_dirty_percent", 35969962b56SMatthew Ahrens "zfs_vdev_async_write_active_max_dirty_percent", 36069962b56SMatthew Ahrens "spa_asize_inflation", 361614409b5Sahrens "zfs_arc_max", 362614409b5Sahrens "zfs_arc_min", 36349e3519aSmaybee "arc_shrink_shift", 364614409b5Sahrens "zfs_mdcomp_disable", 365614409b5Sahrens "zfs_prefetch_disable", 366614409b5Sahrens "zfetch_max_streams", 367614409b5Sahrens "zfetch_min_sec_reap", 368614409b5Sahrens "zfetch_block_cap", 369614409b5Sahrens "zfetch_array_rd_sz", 370614409b5Sahrens "zfs_default_bs", 371614409b5Sahrens "zfs_default_ibs", 372614409b5Sahrens "metaslab_aliquot", 373614409b5Sahrens "reference_tracking_enable", 374614409b5Sahrens "reference_history", 375614409b5Sahrens "spa_max_replication_override", 376b24ab676SJeff Bonwick "spa_mode_global", 377614409b5Sahrens "zfs_flags", 3781ab7f2deSmaybee "zfs_txg_timeout", 379614409b5Sahrens "zfs_vdev_cache_max", 380614409b5Sahrens "zfs_vdev_cache_size", 381614409b5Sahrens "zfs_vdev_cache_bshift", 382614409b5Sahrens "vdev_mirror_shift", 383614409b5Sahrens "zfs_scrub_limit", 384b16da2e2SGeorge Wilson "zfs_no_scrub_io", 385b16da2e2SGeorge Wilson "zfs_no_scrub_prefetch", 386614409b5Sahrens "zfs_vdev_aggregation_limit", 387614409b5Sahrens "fzap_default_block_shift", 388614409b5Sahrens "zfs_immediate_write_sz", 389614409b5Sahrens "zfs_read_chunk_size", 390614409b5Sahrens "zfs_nocacheflush", 39155da60b9SMark J Musante "zil_replay_disable", 3921ab7f2deSmaybee "metaslab_gang_bang", 393d6e555bdSGeorge Wilson "metaslab_df_alloc_threshold", 394d6e555bdSGeorge Wilson "metaslab_df_free_pct", 395614409b5Sahrens "zio_injection_enabled", 396614409b5Sahrens "zvol_immediate_write_sz", 397614409b5Sahrens }; 398614409b5Sahrens 399b24ab676SJeff Bonwick for (int i = 0; i < sizeof (params) / sizeof (params[0]); i++) { 400614409b5Sahrens int sz; 401614409b5Sahrens uint64_t val64; 402614409b5Sahrens uint32_t *val32p = (uint32_t *)&val64; 403614409b5Sahrens 404614409b5Sahrens sz = mdb_readvar(&val64, params[i]); 405614409b5Sahrens if (sz == 4) { 406614409b5Sahrens mdb_printf("%s = 0x%x\n", params[i], *val32p); 407614409b5Sahrens } else if (sz == 8) { 408614409b5Sahrens mdb_printf("%s = 0x%llx\n", params[i], val64); 409614409b5Sahrens } else { 410614409b5Sahrens mdb_warn("variable %s not found", params[i]); 411614409b5Sahrens } 412614409b5Sahrens } 413614409b5Sahrens 414614409b5Sahrens return (DCMD_OK); 415614409b5Sahrens } 416614409b5Sahrens 417fa9e4066Sahrens /* ARGSUSED */ 418fa9e4066Sahrens static int 419fa9e4066Sahrens blkptr(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 420fa9e4066Sahrens { 421b24ab676SJeff Bonwick mdb_ctf_id_t type_enum, checksum_enum, compress_enum; 422b24ab676SJeff Bonwick char type[80], checksum[80], compress[80]; 423b24ab676SJeff Bonwick blkptr_t blk, *bp = &blk; 424b24ab676SJeff Bonwick char buf[BP_SPRINTF_LEN]; 425fa9e4066Sahrens 426b24ab676SJeff Bonwick if (mdb_vread(&blk, sizeof (blkptr_t), addr) == -1) { 427fa9e4066Sahrens mdb_warn("failed to read blkptr_t"); 428fa9e4066Sahrens return (DCMD_ERR); 429fa9e4066Sahrens } 430fa9e4066Sahrens 431b24ab676SJeff Bonwick if (mdb_ctf_lookup_by_name("enum dmu_object_type", &type_enum) == -1 || 432b24ab676SJeff Bonwick mdb_ctf_lookup_by_name("enum zio_checksum", &checksum_enum) == -1 || 433b24ab676SJeff Bonwick mdb_ctf_lookup_by_name("enum zio_compress", &compress_enum) == -1) { 434b24ab676SJeff Bonwick mdb_warn("Could not find blkptr enumerated types"); 435fa9e4066Sahrens return (DCMD_ERR); 436fa9e4066Sahrens } 437fa9e4066Sahrens 438b24ab676SJeff Bonwick enum_lookup(type, sizeof (type), type_enum, 439b24ab676SJeff Bonwick BP_GET_TYPE(bp), "DMU_OT_"); 440b24ab676SJeff Bonwick enum_lookup(checksum, sizeof (checksum), checksum_enum, 441b24ab676SJeff Bonwick BP_GET_CHECKSUM(bp), "ZIO_CHECKSUM_"); 442b24ab676SJeff Bonwick enum_lookup(compress, sizeof (compress), compress_enum, 443b24ab676SJeff Bonwick BP_GET_COMPRESS(bp), "ZIO_COMPRESS_"); 444fa9e4066Sahrens 44543466aaeSMax Grossman SNPRINTF_BLKPTR(mdb_snprintf, '\n', buf, sizeof (buf), bp, type, 44643466aaeSMax Grossman checksum, compress); 447fa9e4066Sahrens 448b24ab676SJeff Bonwick mdb_printf("%s\n", buf); 449fa9e4066Sahrens 450fa9e4066Sahrens return (DCMD_OK); 451fa9e4066Sahrens } 452fa9e4066Sahrens 45328e4da25SMatthew Ahrens typedef struct mdb_dmu_buf_impl { 45428e4da25SMatthew Ahrens struct { 45528e4da25SMatthew Ahrens uint64_t db_object; 4562515f5d4SJustin T. Gibbs uintptr_t db_data; 45728e4da25SMatthew Ahrens } db; 458d5ee8a13SMatthew Ahrens uintptr_t db_objset; 45928e4da25SMatthew Ahrens uint64_t db_level; 46028e4da25SMatthew Ahrens uint64_t db_blkid; 46128e4da25SMatthew Ahrens struct { 46228e4da25SMatthew Ahrens uint64_t rc_count; 46328e4da25SMatthew Ahrens } db_holds; 46428e4da25SMatthew Ahrens } mdb_dmu_buf_impl_t; 46528e4da25SMatthew Ahrens 466fa9e4066Sahrens /* ARGSUSED */ 467fa9e4066Sahrens static int 468fa9e4066Sahrens dbuf(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 469fa9e4066Sahrens { 47028e4da25SMatthew Ahrens mdb_dmu_buf_impl_t db; 471fa9e4066Sahrens char objectname[32]; 472fa9e4066Sahrens char blkidname[32]; 4739adfa60dSMatthew Ahrens char path[ZFS_MAX_DATASET_NAME_LEN]; 474ba3132cfSJoe Stein int ptr_width = (int)(sizeof (void *)) * 2; 475fa9e4066Sahrens 47628e4da25SMatthew Ahrens if (DCMD_HDRSPEC(flags)) 477ba3132cfSJoe Stein mdb_printf("%*s %8s %3s %9s %5s %s\n", 478ba3132cfSJoe Stein ptr_width, "addr", "object", "lvl", "blkid", "holds", "os"); 479fa9e4066Sahrens 48028e4da25SMatthew Ahrens if (mdb_ctf_vread(&db, ZFS_STRUCT "dmu_buf_impl", "mdb_dmu_buf_impl_t", 48128e4da25SMatthew Ahrens addr, 0) == -1) 482fa9e4066Sahrens return (DCMD_ERR); 483fa9e4066Sahrens 48428e4da25SMatthew Ahrens if (db.db.db_object == DMU_META_DNODE_OBJECT) 485fa9e4066Sahrens (void) strcpy(objectname, "mdn"); 486fa9e4066Sahrens else 487fa9e4066Sahrens (void) mdb_snprintf(objectname, sizeof (objectname), "%llx", 48828e4da25SMatthew Ahrens (u_longlong_t)db.db.db_object); 489fa9e4066Sahrens 49028e4da25SMatthew Ahrens if (db.db_blkid == DMU_BONUS_BLKID) 491fa9e4066Sahrens (void) strcpy(blkidname, "bonus"); 492fa9e4066Sahrens else 493fa9e4066Sahrens (void) mdb_snprintf(blkidname, sizeof (blkidname), "%llx", 49428e4da25SMatthew Ahrens (u_longlong_t)db.db_blkid); 495fa9e4066Sahrens 496d5ee8a13SMatthew Ahrens if (objset_name(db.db_objset, path)) { 49728e4da25SMatthew Ahrens return (DCMD_ERR); 498fa9e4066Sahrens } 499fa9e4066Sahrens 500ba3132cfSJoe Stein mdb_printf("%*p %8s %3u %9s %5llu %s\n", ptr_width, addr, 50128e4da25SMatthew Ahrens objectname, (int)db.db_level, blkidname, 50228e4da25SMatthew Ahrens db.db_holds.rc_count, path); 503fa9e4066Sahrens 504fa9e4066Sahrens return (DCMD_OK); 505fa9e4066Sahrens } 506fa9e4066Sahrens 507fa9e4066Sahrens /* ARGSUSED */ 508fa9e4066Sahrens static int 509fa9e4066Sahrens dbuf_stats(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 510fa9e4066Sahrens { 511fa9e4066Sahrens #define HISTOSZ 32 512fa9e4066Sahrens uintptr_t dbp; 513fa9e4066Sahrens dmu_buf_impl_t db; 514fa9e4066Sahrens dbuf_hash_table_t ht; 515fa9e4066Sahrens uint64_t bucket, ndbufs; 516fa9e4066Sahrens uint64_t histo[HISTOSZ]; 517fa9e4066Sahrens uint64_t histo2[HISTOSZ]; 518fa9e4066Sahrens int i, maxidx; 519fa9e4066Sahrens 520fa9e4066Sahrens if (mdb_readvar(&ht, "dbuf_hash_table") == -1) { 521fa9e4066Sahrens mdb_warn("failed to read 'dbuf_hash_table'"); 522fa9e4066Sahrens return (DCMD_ERR); 523fa9e4066Sahrens } 524fa9e4066Sahrens 525fa9e4066Sahrens for (i = 0; i < HISTOSZ; i++) { 526fa9e4066Sahrens histo[i] = 0; 527fa9e4066Sahrens histo2[i] = 0; 528fa9e4066Sahrens } 529fa9e4066Sahrens 530fa9e4066Sahrens ndbufs = 0; 531fa9e4066Sahrens for (bucket = 0; bucket < ht.hash_table_mask+1; bucket++) { 532fa9e4066Sahrens int len; 533fa9e4066Sahrens 534fa9e4066Sahrens if (mdb_vread(&dbp, sizeof (void *), 535fa9e4066Sahrens (uintptr_t)(ht.hash_table+bucket)) == -1) { 536fa9e4066Sahrens mdb_warn("failed to read hash bucket %u at %p", 537fa9e4066Sahrens bucket, ht.hash_table+bucket); 538fa9e4066Sahrens return (DCMD_ERR); 539fa9e4066Sahrens } 540fa9e4066Sahrens 541fa9e4066Sahrens len = 0; 542fa9e4066Sahrens while (dbp != 0) { 543fa9e4066Sahrens if (mdb_vread(&db, sizeof (dmu_buf_impl_t), 544fa9e4066Sahrens dbp) == -1) { 545fa9e4066Sahrens mdb_warn("failed to read dbuf at %p", dbp); 546fa9e4066Sahrens return (DCMD_ERR); 547fa9e4066Sahrens } 548fa9e4066Sahrens dbp = (uintptr_t)db.db_hash_next; 549fa9e4066Sahrens for (i = MIN(len, HISTOSZ - 1); i >= 0; i--) 550fa9e4066Sahrens histo2[i]++; 551fa9e4066Sahrens len++; 552fa9e4066Sahrens ndbufs++; 553fa9e4066Sahrens } 554fa9e4066Sahrens 555fa9e4066Sahrens if (len >= HISTOSZ) 556fa9e4066Sahrens len = HISTOSZ-1; 557fa9e4066Sahrens histo[len]++; 558fa9e4066Sahrens } 559fa9e4066Sahrens 560fa9e4066Sahrens mdb_printf("hash table has %llu buckets, %llu dbufs " 561fa9e4066Sahrens "(avg %llu buckets/dbuf)\n", 562fa9e4066Sahrens ht.hash_table_mask+1, ndbufs, 563fa9e4066Sahrens (ht.hash_table_mask+1)/ndbufs); 564fa9e4066Sahrens 565fa9e4066Sahrens mdb_printf("\n"); 566fa9e4066Sahrens maxidx = 0; 567fa9e4066Sahrens for (i = 0; i < HISTOSZ; i++) 568fa9e4066Sahrens if (histo[i] > 0) 569fa9e4066Sahrens maxidx = i; 570fa9e4066Sahrens mdb_printf("hash chain length number of buckets\n"); 571fa9e4066Sahrens for (i = 0; i <= maxidx; i++) 572fa9e4066Sahrens mdb_printf("%u %llu\n", i, histo[i]); 573fa9e4066Sahrens 574fa9e4066Sahrens mdb_printf("\n"); 575fa9e4066Sahrens maxidx = 0; 576fa9e4066Sahrens for (i = 0; i < HISTOSZ; i++) 577fa9e4066Sahrens if (histo2[i] > 0) 578fa9e4066Sahrens maxidx = i; 579fa9e4066Sahrens mdb_printf("hash chain depth number of dbufs\n"); 580fa9e4066Sahrens for (i = 0; i <= maxidx; i++) 581fa9e4066Sahrens mdb_printf("%u or more %llu %llu%%\n", 582fa9e4066Sahrens i, histo2[i], histo2[i]*100/ndbufs); 583fa9e4066Sahrens 584fa9e4066Sahrens 585fa9e4066Sahrens return (DCMD_OK); 586fa9e4066Sahrens } 587fa9e4066Sahrens 5883f1f8012SMatthew Ahrens #define CHAIN_END 0xffff 5893f1f8012SMatthew Ahrens /* 5903f1f8012SMatthew Ahrens * ::zap_leaf [-v] 5913f1f8012SMatthew Ahrens * 5923f1f8012SMatthew Ahrens * Print a zap_leaf_phys_t, assumed to be 16k 5933f1f8012SMatthew Ahrens */ 5943f1f8012SMatthew Ahrens /* ARGSUSED */ 5953f1f8012SMatthew Ahrens static int 5963f1f8012SMatthew Ahrens zap_leaf(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 5973f1f8012SMatthew Ahrens { 5983f1f8012SMatthew Ahrens char buf[16*1024]; 5993f1f8012SMatthew Ahrens int verbose = B_FALSE; 6003f1f8012SMatthew Ahrens int four = B_FALSE; 601c1379625SJustin T. Gibbs dmu_buf_t l_dbuf; 6023f1f8012SMatthew Ahrens zap_leaf_t l; 6033f1f8012SMatthew Ahrens zap_leaf_phys_t *zlp = (void *)buf; 6043f1f8012SMatthew Ahrens int i; 6053f1f8012SMatthew Ahrens 6063f1f8012SMatthew Ahrens if (mdb_getopts(argc, argv, 6073f1f8012SMatthew Ahrens 'v', MDB_OPT_SETBITS, TRUE, &verbose, 6083f1f8012SMatthew Ahrens '4', MDB_OPT_SETBITS, TRUE, &four, 6093f1f8012SMatthew Ahrens NULL) != argc) 6103f1f8012SMatthew Ahrens return (DCMD_USAGE); 6113f1f8012SMatthew Ahrens 612c1379625SJustin T. Gibbs l_dbuf.db_data = zlp; 613c1379625SJustin T. Gibbs l.l_dbuf = &l_dbuf; 6143f1f8012SMatthew Ahrens l.l_bs = 14; /* assume 16k blocks */ 6153f1f8012SMatthew Ahrens if (four) 6163f1f8012SMatthew Ahrens l.l_bs = 12; 6173f1f8012SMatthew Ahrens 6183f1f8012SMatthew Ahrens if (!(flags & DCMD_ADDRSPEC)) { 6193f1f8012SMatthew Ahrens return (DCMD_USAGE); 6203f1f8012SMatthew Ahrens } 6213f1f8012SMatthew Ahrens 6223f1f8012SMatthew Ahrens if (mdb_vread(buf, sizeof (buf), addr) == -1) { 6233f1f8012SMatthew Ahrens mdb_warn("failed to read zap_leaf_phys_t at %p", addr); 6243f1f8012SMatthew Ahrens return (DCMD_ERR); 6253f1f8012SMatthew Ahrens } 6263f1f8012SMatthew Ahrens 6273f1f8012SMatthew Ahrens if (zlp->l_hdr.lh_block_type != ZBT_LEAF || 6283f1f8012SMatthew Ahrens zlp->l_hdr.lh_magic != ZAP_LEAF_MAGIC) { 6293f1f8012SMatthew Ahrens mdb_warn("This does not appear to be a zap_leaf_phys_t"); 6303f1f8012SMatthew Ahrens return (DCMD_ERR); 6313f1f8012SMatthew Ahrens } 6323f1f8012SMatthew Ahrens 6333f1f8012SMatthew Ahrens mdb_printf("zap_leaf_phys_t at %p:\n", addr); 6343f1f8012SMatthew Ahrens mdb_printf(" lh_prefix_len = %u\n", zlp->l_hdr.lh_prefix_len); 6353f1f8012SMatthew Ahrens mdb_printf(" lh_prefix = %llx\n", zlp->l_hdr.lh_prefix); 6363f1f8012SMatthew Ahrens mdb_printf(" lh_nentries = %u\n", zlp->l_hdr.lh_nentries); 6373f1f8012SMatthew Ahrens mdb_printf(" lh_nfree = %u\n", zlp->l_hdr.lh_nfree, 6383f1f8012SMatthew Ahrens zlp->l_hdr.lh_nfree * 100 / (ZAP_LEAF_NUMCHUNKS(&l))); 6393f1f8012SMatthew Ahrens mdb_printf(" lh_freelist = %u\n", zlp->l_hdr.lh_freelist); 6403f1f8012SMatthew Ahrens mdb_printf(" lh_flags = %x (%s)\n", zlp->l_hdr.lh_flags, 6413f1f8012SMatthew Ahrens zlp->l_hdr.lh_flags & ZLF_ENTRIES_CDSORTED ? 6423f1f8012SMatthew Ahrens "ENTRIES_CDSORTED" : ""); 6433f1f8012SMatthew Ahrens 6443f1f8012SMatthew Ahrens if (verbose) { 6453f1f8012SMatthew Ahrens mdb_printf(" hash table:\n"); 6463f1f8012SMatthew Ahrens for (i = 0; i < ZAP_LEAF_HASH_NUMENTRIES(&l); i++) { 6473f1f8012SMatthew Ahrens if (zlp->l_hash[i] != CHAIN_END) 6483f1f8012SMatthew Ahrens mdb_printf(" %u: %u\n", i, zlp->l_hash[i]); 6493f1f8012SMatthew Ahrens } 6503f1f8012SMatthew Ahrens } 6513f1f8012SMatthew Ahrens 6523f1f8012SMatthew Ahrens mdb_printf(" chunks:\n"); 6533f1f8012SMatthew Ahrens for (i = 0; i < ZAP_LEAF_NUMCHUNKS(&l); i++) { 6543f1f8012SMatthew Ahrens /* LINTED: alignment */ 6553f1f8012SMatthew Ahrens zap_leaf_chunk_t *zlc = &ZAP_LEAF_CHUNK(&l, i); 6563f1f8012SMatthew Ahrens switch (zlc->l_entry.le_type) { 6573f1f8012SMatthew Ahrens case ZAP_CHUNK_FREE: 6583f1f8012SMatthew Ahrens if (verbose) { 6593f1f8012SMatthew Ahrens mdb_printf(" %u: free; lf_next = %u\n", 6603f1f8012SMatthew Ahrens i, zlc->l_free.lf_next); 6613f1f8012SMatthew Ahrens } 6623f1f8012SMatthew Ahrens break; 6633f1f8012SMatthew Ahrens case ZAP_CHUNK_ENTRY: 6643f1f8012SMatthew Ahrens mdb_printf(" %u: entry\n", i); 6653f1f8012SMatthew Ahrens if (verbose) { 6663f1f8012SMatthew Ahrens mdb_printf(" le_next = %u\n", 6673f1f8012SMatthew Ahrens zlc->l_entry.le_next); 6683f1f8012SMatthew Ahrens } 6693f1f8012SMatthew Ahrens mdb_printf(" le_name_chunk = %u\n", 6703f1f8012SMatthew Ahrens zlc->l_entry.le_name_chunk); 6713f1f8012SMatthew Ahrens mdb_printf(" le_name_numints = %u\n", 6723f1f8012SMatthew Ahrens zlc->l_entry.le_name_numints); 6733f1f8012SMatthew Ahrens mdb_printf(" le_value_chunk = %u\n", 6743f1f8012SMatthew Ahrens zlc->l_entry.le_value_chunk); 6753f1f8012SMatthew Ahrens mdb_printf(" le_value_intlen = %u\n", 6763f1f8012SMatthew Ahrens zlc->l_entry.le_value_intlen); 6773f1f8012SMatthew Ahrens mdb_printf(" le_value_numints = %u\n", 6783f1f8012SMatthew Ahrens zlc->l_entry.le_value_numints); 6793f1f8012SMatthew Ahrens mdb_printf(" le_cd = %u\n", 6803f1f8012SMatthew Ahrens zlc->l_entry.le_cd); 6813f1f8012SMatthew Ahrens mdb_printf(" le_hash = %llx\n", 6823f1f8012SMatthew Ahrens zlc->l_entry.le_hash); 6833f1f8012SMatthew Ahrens break; 6843f1f8012SMatthew Ahrens case ZAP_CHUNK_ARRAY: 6853f9d6ad7SLin Ling mdb_printf(" %u: array", i); 6863f9d6ad7SLin Ling if (strisprint((char *)zlc->l_array.la_array)) 6873f9d6ad7SLin Ling mdb_printf(" \"%s\"", zlc->l_array.la_array); 6883f9d6ad7SLin Ling mdb_printf("\n"); 6893f1f8012SMatthew Ahrens if (verbose) { 6903f1f8012SMatthew Ahrens int j; 6913f1f8012SMatthew Ahrens mdb_printf(" "); 6923f1f8012SMatthew Ahrens for (j = 0; j < ZAP_LEAF_ARRAY_BYTES; j++) { 6933f1f8012SMatthew Ahrens mdb_printf("%02x ", 6943f1f8012SMatthew Ahrens zlc->l_array.la_array[j]); 6953f1f8012SMatthew Ahrens } 6963f1f8012SMatthew Ahrens mdb_printf("\n"); 6973f1f8012SMatthew Ahrens } 6983f1f8012SMatthew Ahrens if (zlc->l_array.la_next != CHAIN_END) { 6993f1f8012SMatthew Ahrens mdb_printf(" lf_next = %u\n", 7003f1f8012SMatthew Ahrens zlc->l_array.la_next); 7013f1f8012SMatthew Ahrens } 7023f1f8012SMatthew Ahrens break; 7033f1f8012SMatthew Ahrens default: 7043f1f8012SMatthew Ahrens mdb_printf(" %u: undefined type %u\n", 7053f1f8012SMatthew Ahrens zlc->l_entry.le_type); 7063f1f8012SMatthew Ahrens } 7073f1f8012SMatthew Ahrens } 7083f1f8012SMatthew Ahrens 7093f1f8012SMatthew Ahrens return (DCMD_OK); 7103f1f8012SMatthew Ahrens } 7113f1f8012SMatthew Ahrens 712fa9e4066Sahrens typedef struct dbufs_data { 713fa9e4066Sahrens mdb_ctf_id_t id; 714fa9e4066Sahrens uint64_t objset; 715fa9e4066Sahrens uint64_t object; 716fa9e4066Sahrens uint64_t level; 717fa9e4066Sahrens uint64_t blkid; 718fa9e4066Sahrens char *osname; 719fa9e4066Sahrens } dbufs_data_t; 720fa9e4066Sahrens 721fa9e4066Sahrens #define DBUFS_UNSET (0xbaddcafedeadbeefULL) 722fa9e4066Sahrens 723fa9e4066Sahrens /* ARGSUSED */ 724fa9e4066Sahrens static int 725fa9e4066Sahrens dbufs_cb(uintptr_t addr, const void *unknown, void *arg) 726fa9e4066Sahrens { 727fa9e4066Sahrens dbufs_data_t *data = arg; 728fa9e4066Sahrens uintptr_t objset; 729fa9e4066Sahrens dmu_buf_t db; 730fa9e4066Sahrens uint8_t level; 731fa9e4066Sahrens uint64_t blkid; 7329adfa60dSMatthew Ahrens char osname[ZFS_MAX_DATASET_NAME_LEN]; 733fa9e4066Sahrens 734fa9e4066Sahrens if (GETMEMBID(addr, &data->id, db_objset, objset) || 735fa9e4066Sahrens GETMEMBID(addr, &data->id, db, db) || 736fa9e4066Sahrens GETMEMBID(addr, &data->id, db_level, level) || 737fa9e4066Sahrens GETMEMBID(addr, &data->id, db_blkid, blkid)) { 738fa9e4066Sahrens return (WALK_ERR); 739fa9e4066Sahrens } 740fa9e4066Sahrens 741fa9e4066Sahrens if ((data->objset == DBUFS_UNSET || data->objset == objset) && 742fa9e4066Sahrens (data->osname == NULL || (objset_name(objset, osname) == 0 && 743ccae0b50Seschrock strcmp(data->osname, osname) == 0)) && 744fa9e4066Sahrens (data->object == DBUFS_UNSET || data->object == db.db_object) && 745fa9e4066Sahrens (data->level == DBUFS_UNSET || data->level == level) && 746fa9e4066Sahrens (data->blkid == DBUFS_UNSET || data->blkid == blkid)) { 747fa9e4066Sahrens mdb_printf("%#lr\n", addr); 748fa9e4066Sahrens } 749fa9e4066Sahrens return (WALK_NEXT); 750fa9e4066Sahrens } 751fa9e4066Sahrens 752fa9e4066Sahrens /* ARGSUSED */ 753fa9e4066Sahrens static int 754fa9e4066Sahrens dbufs(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 755fa9e4066Sahrens { 756fa9e4066Sahrens dbufs_data_t data; 757fa9e4066Sahrens char *object = NULL; 758fa9e4066Sahrens char *blkid = NULL; 759fa9e4066Sahrens 760fa9e4066Sahrens data.objset = data.object = data.level = data.blkid = DBUFS_UNSET; 761fa9e4066Sahrens data.osname = NULL; 762fa9e4066Sahrens 763fa9e4066Sahrens if (mdb_getopts(argc, argv, 764fa9e4066Sahrens 'O', MDB_OPT_UINT64, &data.objset, 765fa9e4066Sahrens 'n', MDB_OPT_STR, &data.osname, 766fa9e4066Sahrens 'o', MDB_OPT_STR, &object, 767fa9e4066Sahrens 'l', MDB_OPT_UINT64, &data.level, 768fa9e4066Sahrens 'b', MDB_OPT_STR, &blkid) != argc) { 769fa9e4066Sahrens return (DCMD_USAGE); 770fa9e4066Sahrens } 771fa9e4066Sahrens 772fa9e4066Sahrens if (object) { 773fa9e4066Sahrens if (strcmp(object, "mdn") == 0) { 774fa9e4066Sahrens data.object = DMU_META_DNODE_OBJECT; 775fa9e4066Sahrens } else { 776fa9e4066Sahrens data.object = mdb_strtoull(object); 777fa9e4066Sahrens } 778fa9e4066Sahrens } 779fa9e4066Sahrens 780fa9e4066Sahrens if (blkid) { 781fa9e4066Sahrens if (strcmp(blkid, "bonus") == 0) { 7820a586ceaSMark Shellenbaum data.blkid = DMU_BONUS_BLKID; 783fa9e4066Sahrens } else { 784fa9e4066Sahrens data.blkid = mdb_strtoull(blkid); 785fa9e4066Sahrens } 786fa9e4066Sahrens } 787fa9e4066Sahrens 78828e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "dmu_buf_impl", &data.id) == -1) { 789fa9e4066Sahrens mdb_warn("couldn't find struct dmu_buf_impl_t"); 790fa9e4066Sahrens return (DCMD_ERR); 791fa9e4066Sahrens } 792fa9e4066Sahrens 7935f5f7a6fSahrens if (mdb_walk("dmu_buf_impl_t", dbufs_cb, &data) != 0) { 794fa9e4066Sahrens mdb_warn("can't walk dbufs"); 795fa9e4066Sahrens return (DCMD_ERR); 796fa9e4066Sahrens } 797fa9e4066Sahrens 798fa9e4066Sahrens return (DCMD_OK); 799fa9e4066Sahrens } 800fa9e4066Sahrens 801fa9e4066Sahrens typedef struct abuf_find_data { 802fa9e4066Sahrens dva_t dva; 803fa9e4066Sahrens mdb_ctf_id_t id; 804fa9e4066Sahrens } abuf_find_data_t; 805fa9e4066Sahrens 806fa9e4066Sahrens /* ARGSUSED */ 807fa9e4066Sahrens static int 808fa9e4066Sahrens abuf_find_cb(uintptr_t addr, const void *unknown, void *arg) 809fa9e4066Sahrens { 810fa9e4066Sahrens abuf_find_data_t *data = arg; 811fa9e4066Sahrens dva_t dva; 812fa9e4066Sahrens 813fa9e4066Sahrens if (GETMEMBID(addr, &data->id, b_dva, dva)) { 814fa9e4066Sahrens return (WALK_ERR); 815fa9e4066Sahrens } 816fa9e4066Sahrens 817fa9e4066Sahrens if (dva.dva_word[0] == data->dva.dva_word[0] && 818fa9e4066Sahrens dva.dva_word[1] == data->dva.dva_word[1]) { 819fa9e4066Sahrens mdb_printf("%#lr\n", addr); 820fa9e4066Sahrens } 821fa9e4066Sahrens return (WALK_NEXT); 822fa9e4066Sahrens } 823fa9e4066Sahrens 824fa9e4066Sahrens /* ARGSUSED */ 825fa9e4066Sahrens static int 826fa9e4066Sahrens abuf_find(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 827fa9e4066Sahrens { 828fa9e4066Sahrens abuf_find_data_t data; 829fa9e4066Sahrens GElf_Sym sym; 830fa9e4066Sahrens int i; 831fa9e4066Sahrens const char *syms[] = { 832a2eea2e1Sahrens "ARC_mru", 833a2eea2e1Sahrens "ARC_mru_ghost", 834a2eea2e1Sahrens "ARC_mfu", 835a2eea2e1Sahrens "ARC_mfu_ghost", 836fa9e4066Sahrens }; 837fa9e4066Sahrens 838fa9e4066Sahrens if (argc != 2) 839fa9e4066Sahrens return (DCMD_USAGE); 840fa9e4066Sahrens 841fa9e4066Sahrens for (i = 0; i < 2; i ++) { 842fa9e4066Sahrens switch (argv[i].a_type) { 843fa9e4066Sahrens case MDB_TYPE_STRING: 844fa9e4066Sahrens data.dva.dva_word[i] = mdb_strtoull(argv[i].a_un.a_str); 845fa9e4066Sahrens break; 846fa9e4066Sahrens case MDB_TYPE_IMMEDIATE: 847fa9e4066Sahrens data.dva.dva_word[i] = argv[i].a_un.a_val; 848fa9e4066Sahrens break; 849fa9e4066Sahrens default: 850fa9e4066Sahrens return (DCMD_USAGE); 851fa9e4066Sahrens } 852fa9e4066Sahrens } 853fa9e4066Sahrens 85428e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "arc_buf_hdr", &data.id) == -1) { 855fa9e4066Sahrens mdb_warn("couldn't find struct arc_buf_hdr"); 856fa9e4066Sahrens return (DCMD_ERR); 857fa9e4066Sahrens } 858fa9e4066Sahrens 859fa9e4066Sahrens for (i = 0; i < sizeof (syms) / sizeof (syms[0]); i++) { 86022ce0148SMatthew Ahrens if (mdb_lookup_by_obj(ZFS_OBJ_NAME, syms[i], &sym)) { 861fa9e4066Sahrens mdb_warn("can't find symbol %s", syms[i]); 862fa9e4066Sahrens return (DCMD_ERR); 863fa9e4066Sahrens } 864fa9e4066Sahrens 865fa9e4066Sahrens if (mdb_pwalk("list", abuf_find_cb, &data, sym.st_value) != 0) { 866fa9e4066Sahrens mdb_warn("can't walk %s", syms[i]); 867fa9e4066Sahrens return (DCMD_ERR); 868fa9e4066Sahrens } 869fa9e4066Sahrens } 870fa9e4066Sahrens 871fa9e4066Sahrens return (DCMD_OK); 872fa9e4066Sahrens } 873fa9e4066Sahrens 87428e4da25SMatthew Ahrens 87528e4da25SMatthew Ahrens typedef struct dbgmsg_arg { 87628e4da25SMatthew Ahrens boolean_t da_verbose; 87728e4da25SMatthew Ahrens boolean_t da_address; 87828e4da25SMatthew Ahrens } dbgmsg_arg_t; 87928e4da25SMatthew Ahrens 8803f9d6ad7SLin Ling /* ARGSUSED */ 8813f9d6ad7SLin Ling static int 8823f9d6ad7SLin Ling dbgmsg_cb(uintptr_t addr, const void *unknown, void *arg) 8833f9d6ad7SLin Ling { 8843f9d6ad7SLin Ling static mdb_ctf_id_t id; 8853f9d6ad7SLin Ling static boolean_t gotid; 8863f9d6ad7SLin Ling static ulong_t off; 8873f9d6ad7SLin Ling 88828e4da25SMatthew Ahrens dbgmsg_arg_t *da = arg; 8893f9d6ad7SLin Ling time_t timestamp; 8903f9d6ad7SLin Ling char buf[1024]; 8913f9d6ad7SLin Ling 8923f9d6ad7SLin Ling if (!gotid) { 89328e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "zfs_dbgmsg", &id) == 89428e4da25SMatthew Ahrens -1) { 8953f9d6ad7SLin Ling mdb_warn("couldn't find struct zfs_dbgmsg"); 8963f9d6ad7SLin Ling return (WALK_ERR); 8973f9d6ad7SLin Ling } 8983f9d6ad7SLin Ling gotid = TRUE; 8993f9d6ad7SLin Ling if (mdb_ctf_offsetof(id, "zdm_msg", &off) == -1) { 9003f9d6ad7SLin Ling mdb_warn("couldn't find zdm_msg"); 9013f9d6ad7SLin Ling return (WALK_ERR); 9023f9d6ad7SLin Ling } 9033f9d6ad7SLin Ling off /= 8; 9043f9d6ad7SLin Ling } 9053f9d6ad7SLin Ling 9063f9d6ad7SLin Ling 9073f9d6ad7SLin Ling if (GETMEMBID(addr, &id, zdm_timestamp, timestamp)) { 9083f9d6ad7SLin Ling return (WALK_ERR); 9093f9d6ad7SLin Ling } 9103f9d6ad7SLin Ling 9113f9d6ad7SLin Ling if (mdb_readstr(buf, sizeof (buf), addr + off) == -1) { 9123f9d6ad7SLin Ling mdb_warn("failed to read zdm_msg at %p\n", addr + off); 9133f9d6ad7SLin Ling return (DCMD_ERR); 9143f9d6ad7SLin Ling } 9153f9d6ad7SLin Ling 91628e4da25SMatthew Ahrens if (da->da_address) 91728e4da25SMatthew Ahrens mdb_printf("%p ", addr); 91828e4da25SMatthew Ahrens if (da->da_verbose) 9193f9d6ad7SLin Ling mdb_printf("%Y ", timestamp); 9203f9d6ad7SLin Ling 9213f9d6ad7SLin Ling mdb_printf("%s\n", buf); 9223f9d6ad7SLin Ling 92328e4da25SMatthew Ahrens if (da->da_verbose) 9243f9d6ad7SLin Ling (void) mdb_call_dcmd("whatis", addr, DCMD_ADDRSPEC, 0, NULL); 9253f9d6ad7SLin Ling 9263f9d6ad7SLin Ling return (WALK_NEXT); 9273f9d6ad7SLin Ling } 9283f9d6ad7SLin Ling 9293f9d6ad7SLin Ling /* ARGSUSED */ 9303f9d6ad7SLin Ling static int 9313f9d6ad7SLin Ling dbgmsg(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 9323f9d6ad7SLin Ling { 9333f9d6ad7SLin Ling GElf_Sym sym; 93428e4da25SMatthew Ahrens dbgmsg_arg_t da = { 0 }; 9353f9d6ad7SLin Ling 9363f9d6ad7SLin Ling if (mdb_getopts(argc, argv, 93728e4da25SMatthew Ahrens 'v', MDB_OPT_SETBITS, B_TRUE, &da.da_verbose, 93828e4da25SMatthew Ahrens 'a', MDB_OPT_SETBITS, B_TRUE, &da.da_address, 9393f9d6ad7SLin Ling NULL) != argc) 9403f9d6ad7SLin Ling return (DCMD_USAGE); 9413f9d6ad7SLin Ling 9423b2aab18SMatthew Ahrens if (mdb_lookup_by_obj(ZFS_OBJ_NAME, "zfs_dbgmsgs", &sym)) { 9433f9d6ad7SLin Ling mdb_warn("can't find zfs_dbgmsgs"); 9443f9d6ad7SLin Ling return (DCMD_ERR); 9453f9d6ad7SLin Ling } 9463f9d6ad7SLin Ling 94728e4da25SMatthew Ahrens if (mdb_pwalk("list", dbgmsg_cb, &da, sym.st_value) != 0) { 9483f9d6ad7SLin Ling mdb_warn("can't walk zfs_dbgmsgs"); 9493f9d6ad7SLin Ling return (DCMD_ERR); 9503f9d6ad7SLin Ling } 9513f9d6ad7SLin Ling 9523f9d6ad7SLin Ling return (DCMD_OK); 9533f9d6ad7SLin Ling } 9543f9d6ad7SLin Ling 95544cb6abcSbmc /*ARGSUSED*/ 95644cb6abcSbmc static int 95744cb6abcSbmc arc_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 95844cb6abcSbmc { 95944cb6abcSbmc kstat_named_t *stats; 96044cb6abcSbmc GElf_Sym sym; 96191ebeef5Sahrens int nstats, i; 96244cb6abcSbmc uint_t opt_a = FALSE; 96391ebeef5Sahrens uint_t opt_b = FALSE; 96491ebeef5Sahrens uint_t shift = 0; 96591ebeef5Sahrens const char *suffix; 96644cb6abcSbmc 96791ebeef5Sahrens static const char *bytestats[] = { 9689253d63dSGeorge Wilson "p", "c", "c_min", "c_max", "size", "duplicate_buffers_size", 96920128a08SGeorge Wilson "arc_meta_used", "arc_meta_limit", "arc_meta_max", 9704076b1bfSPrakash Surya "arc_meta_min", "hdr_size", "data_size", "metadata_size", 9714076b1bfSPrakash Surya "other_size", "anon_size", "anon_evictable_data", 9724076b1bfSPrakash Surya "anon_evictable_metadata", "mru_size", "mru_evictable_data", 9734076b1bfSPrakash Surya "mru_evictable_metadata", "mru_ghost_size", 9744076b1bfSPrakash Surya "mru_ghost_evictable_data", "mru_ghost_evictable_metadata", 9754076b1bfSPrakash Surya "mfu_size", "mfu_evictable_data", "mfu_evictable_metadata", 9764076b1bfSPrakash Surya "mfu_ghost_size", "mfu_ghost_evictable_data", 9774076b1bfSPrakash Surya "mfu_ghost_evictable_metadata", "evict_l2_cached", 9784076b1bfSPrakash Surya "evict_l2_eligible", "evict_l2_ineligible", "l2_read_bytes", 9794076b1bfSPrakash Surya "l2_write_bytes", "l2_size", "l2_asize", "l2_hdr_size", 980dcbf3bd6SGeorge Wilson "compressed_size", "uncompressed_size", "overhead_size", 9819253d63dSGeorge Wilson NULL 98291ebeef5Sahrens }; 98391ebeef5Sahrens 98491ebeef5Sahrens static const char *extras[] = { 98591ebeef5Sahrens "arc_no_grow", "arc_tempreserve", 98691ebeef5Sahrens NULL 98744cb6abcSbmc }; 98844cb6abcSbmc 98922ce0148SMatthew Ahrens if (mdb_lookup_by_obj(ZFS_OBJ_NAME, "arc_stats", &sym) == -1) { 99044cb6abcSbmc mdb_warn("failed to find 'arc_stats'"); 99144cb6abcSbmc return (DCMD_ERR); 99244cb6abcSbmc } 99344cb6abcSbmc 99444cb6abcSbmc stats = mdb_zalloc(sym.st_size, UM_SLEEP | UM_GC); 99544cb6abcSbmc 99644cb6abcSbmc if (mdb_vread(stats, sym.st_size, sym.st_value) == -1) { 99744cb6abcSbmc mdb_warn("couldn't read 'arc_stats' at %p", sym.st_value); 99844cb6abcSbmc return (DCMD_ERR); 99944cb6abcSbmc } 100044cb6abcSbmc 100144cb6abcSbmc nstats = sym.st_size / sizeof (kstat_named_t); 100244cb6abcSbmc 100391ebeef5Sahrens /* NB: -a / opt_a are ignored for backwards compatability */ 100491ebeef5Sahrens if (mdb_getopts(argc, argv, 100591ebeef5Sahrens 'a', MDB_OPT_SETBITS, TRUE, &opt_a, 100691ebeef5Sahrens 'b', MDB_OPT_SETBITS, TRUE, &opt_b, 100791ebeef5Sahrens 'k', MDB_OPT_SETBITS, 10, &shift, 100891ebeef5Sahrens 'm', MDB_OPT_SETBITS, 20, &shift, 100991ebeef5Sahrens 'g', MDB_OPT_SETBITS, 30, &shift, 101091ebeef5Sahrens NULL) != argc) 101144cb6abcSbmc return (DCMD_USAGE); 101244cb6abcSbmc 101391ebeef5Sahrens if (!opt_b && !shift) 101491ebeef5Sahrens shift = 20; 101591ebeef5Sahrens 101691ebeef5Sahrens switch (shift) { 101791ebeef5Sahrens case 0: 101891ebeef5Sahrens suffix = "B"; 101991ebeef5Sahrens break; 102091ebeef5Sahrens case 10: 102191ebeef5Sahrens suffix = "KB"; 102291ebeef5Sahrens break; 102391ebeef5Sahrens case 20: 102491ebeef5Sahrens suffix = "MB"; 102591ebeef5Sahrens break; 102691ebeef5Sahrens case 30: 102791ebeef5Sahrens suffix = "GB"; 102891ebeef5Sahrens break; 102991ebeef5Sahrens default: 103091ebeef5Sahrens suffix = "XX"; 103191ebeef5Sahrens } 103291ebeef5Sahrens 103391ebeef5Sahrens for (i = 0; i < nstats; i++) { 103491ebeef5Sahrens int j; 103591ebeef5Sahrens boolean_t bytes = B_FALSE; 103691ebeef5Sahrens 103791ebeef5Sahrens for (j = 0; bytestats[j]; j++) { 103891ebeef5Sahrens if (strcmp(stats[i].name, bytestats[j]) == 0) { 103991ebeef5Sahrens bytes = B_TRUE; 104091ebeef5Sahrens break; 104191ebeef5Sahrens } 104291ebeef5Sahrens } 104344cb6abcSbmc 104491ebeef5Sahrens if (bytes) { 104591ebeef5Sahrens mdb_printf("%-25s = %9llu %s\n", stats[i].name, 104691ebeef5Sahrens stats[i].value.ui64 >> shift, suffix); 104791ebeef5Sahrens } else { 104891ebeef5Sahrens mdb_printf("%-25s = %9llu\n", stats[i].name, 104944cb6abcSbmc stats[i].value.ui64); 105044cb6abcSbmc } 105144cb6abcSbmc } 105244cb6abcSbmc 105391ebeef5Sahrens for (i = 0; extras[i]; i++) { 105491ebeef5Sahrens uint64_t buf; 105544cb6abcSbmc 105622ce0148SMatthew Ahrens if (mdb_lookup_by_obj(ZFS_OBJ_NAME, extras[i], &sym) == -1) { 105791ebeef5Sahrens mdb_warn("failed to find '%s'", extras[i]); 105891ebeef5Sahrens return (DCMD_ERR); 105944cb6abcSbmc } 106044cb6abcSbmc 106191ebeef5Sahrens if (sym.st_size != sizeof (uint64_t) && 106291ebeef5Sahrens sym.st_size != sizeof (uint32_t)) { 106391ebeef5Sahrens mdb_warn("expected scalar for variable '%s'\n", 106491ebeef5Sahrens extras[i]); 106591ebeef5Sahrens return (DCMD_ERR); 106644cb6abcSbmc } 106744cb6abcSbmc 106891ebeef5Sahrens if (mdb_vread(&buf, sym.st_size, sym.st_value) == -1) { 106991ebeef5Sahrens mdb_warn("couldn't read '%s'", extras[i]); 107091ebeef5Sahrens return (DCMD_ERR); 107144cb6abcSbmc } 107244cb6abcSbmc 107391ebeef5Sahrens mdb_printf("%-25s = ", extras[i]); 107491ebeef5Sahrens 107591ebeef5Sahrens /* NB: all the 64-bit extras happen to be byte counts */ 107691ebeef5Sahrens if (sym.st_size == sizeof (uint64_t)) 107791ebeef5Sahrens mdb_printf("%9llu %s\n", buf >> shift, suffix); 107844cb6abcSbmc 107991ebeef5Sahrens if (sym.st_size == sizeof (uint32_t)) 108091ebeef5Sahrens mdb_printf("%9d\n", *((uint32_t *)&buf)); 108191ebeef5Sahrens } 108244cb6abcSbmc return (DCMD_OK); 108344cb6abcSbmc } 108444cb6abcSbmc 108522ce0148SMatthew Ahrens typedef struct mdb_spa_print { 108622ce0148SMatthew Ahrens pool_state_t spa_state; 10879adfa60dSMatthew Ahrens char spa_name[ZFS_MAX_DATASET_NAME_LEN]; 1088*91e2a09fSSteve Gonczi uintptr_t spa_normal_class; 108922ce0148SMatthew Ahrens } mdb_spa_print_t; 109022ce0148SMatthew Ahrens 1091*91e2a09fSSteve Gonczi 1092*91e2a09fSSteve Gonczi const char histo_stars[] = "****************************************"; 1093*91e2a09fSSteve Gonczi const int histo_width = sizeof (histo_stars) - 1; 1094*91e2a09fSSteve Gonczi 1095*91e2a09fSSteve Gonczi static void 1096*91e2a09fSSteve Gonczi dump_histogram(const uint64_t *histo, int size, int offset) 1097*91e2a09fSSteve Gonczi { 1098*91e2a09fSSteve Gonczi int i; 1099*91e2a09fSSteve Gonczi int minidx = size - 1; 1100*91e2a09fSSteve Gonczi int maxidx = 0; 1101*91e2a09fSSteve Gonczi uint64_t max = 0; 1102*91e2a09fSSteve Gonczi 1103*91e2a09fSSteve Gonczi for (i = 0; i < size; i++) { 1104*91e2a09fSSteve Gonczi if (histo[i] > max) 1105*91e2a09fSSteve Gonczi max = histo[i]; 1106*91e2a09fSSteve Gonczi if (histo[i] > 0 && i > maxidx) 1107*91e2a09fSSteve Gonczi maxidx = i; 1108*91e2a09fSSteve Gonczi if (histo[i] > 0 && i < minidx) 1109*91e2a09fSSteve Gonczi minidx = i; 1110*91e2a09fSSteve Gonczi } 1111*91e2a09fSSteve Gonczi 1112*91e2a09fSSteve Gonczi if (max < histo_width) 1113*91e2a09fSSteve Gonczi max = histo_width; 1114*91e2a09fSSteve Gonczi 1115*91e2a09fSSteve Gonczi for (i = minidx; i <= maxidx; i++) { 1116*91e2a09fSSteve Gonczi mdb_printf("%3u: %6llu %s\n", 1117*91e2a09fSSteve Gonczi i + offset, (u_longlong_t)histo[i], 1118*91e2a09fSSteve Gonczi &histo_stars[(max - histo[i]) * histo_width / max]); 1119*91e2a09fSSteve Gonczi } 1120*91e2a09fSSteve Gonczi } 1121*91e2a09fSSteve Gonczi 1122*91e2a09fSSteve Gonczi typedef struct mdb_metaslab_class { 1123*91e2a09fSSteve Gonczi uint64_t mc_histogram[RANGE_TREE_HISTOGRAM_SIZE]; 1124*91e2a09fSSteve Gonczi } mdb_metaslab_class_t; 1125*91e2a09fSSteve Gonczi 1126*91e2a09fSSteve Gonczi /* 1127*91e2a09fSSteve Gonczi * spa_class_histogram(uintptr_t class_addr) 1128*91e2a09fSSteve Gonczi * 1129*91e2a09fSSteve Gonczi * Prints free space histogram for a device class 1130*91e2a09fSSteve Gonczi * 1131*91e2a09fSSteve Gonczi * Returns DCMD_OK, or DCMD_ERR. 1132*91e2a09fSSteve Gonczi */ 1133*91e2a09fSSteve Gonczi static int 1134*91e2a09fSSteve Gonczi spa_class_histogram(uintptr_t class_addr) 1135*91e2a09fSSteve Gonczi { 1136*91e2a09fSSteve Gonczi mdb_metaslab_class_t mc; 1137*91e2a09fSSteve Gonczi if (mdb_ctf_vread(&mc, "metaslab_class_t", 1138*91e2a09fSSteve Gonczi "mdb_metaslab_class_t", class_addr, 0) == -1) 1139*91e2a09fSSteve Gonczi return (DCMD_ERR); 1140*91e2a09fSSteve Gonczi 1141*91e2a09fSSteve Gonczi mdb_inc_indent(4); 1142*91e2a09fSSteve Gonczi dump_histogram(mc.mc_histogram, RANGE_TREE_HISTOGRAM_SIZE, 0); 1143*91e2a09fSSteve Gonczi mdb_dec_indent(4); 1144*91e2a09fSSteve Gonczi return (DCMD_OK); 1145*91e2a09fSSteve Gonczi } 1146*91e2a09fSSteve Gonczi 1147fa9e4066Sahrens /* 1148fa9e4066Sahrens * ::spa 1149fa9e4066Sahrens * 115022ce0148SMatthew Ahrens * -c Print configuration information as well 115122ce0148SMatthew Ahrens * -v Print vdev state 115222ce0148SMatthew Ahrens * -e Print vdev error stats 11532e4c9986SGeorge Wilson * -m Print vdev metaslab info 11542e4c9986SGeorge Wilson * -M print vdev metaslab group info 11552e4c9986SGeorge Wilson * -h Print histogram info (must be combined with -m or -M) 1156fa9e4066Sahrens * 1157fa9e4066Sahrens * Print a summarized spa_t. When given no arguments, prints out a table of all 1158fa9e4066Sahrens * active pools on the system. 1159fa9e4066Sahrens */ 1160fa9e4066Sahrens /* ARGSUSED */ 1161fa9e4066Sahrens static int 1162fa9e4066Sahrens spa_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1163fa9e4066Sahrens { 1164fa9e4066Sahrens const char *statetab[] = { "ACTIVE", "EXPORTED", "DESTROYED", 1165e14bb325SJeff Bonwick "SPARE", "L2CACHE", "UNINIT", "UNAVAIL", "POTENTIAL" }; 1166fa9e4066Sahrens const char *state; 11672e4c9986SGeorge Wilson int spa_flags = 0; 1168fa9e4066Sahrens 1169fa9e4066Sahrens if (mdb_getopts(argc, argv, 11702e4c9986SGeorge Wilson 'c', MDB_OPT_SETBITS, SPA_FLAG_CONFIG, &spa_flags, 11712e4c9986SGeorge Wilson 'v', MDB_OPT_SETBITS, SPA_FLAG_VDEVS, &spa_flags, 11722e4c9986SGeorge Wilson 'e', MDB_OPT_SETBITS, SPA_FLAG_ERRORS, &spa_flags, 11732e4c9986SGeorge Wilson 'M', MDB_OPT_SETBITS, SPA_FLAG_METASLAB_GROUPS, &spa_flags, 11742e4c9986SGeorge Wilson 'm', MDB_OPT_SETBITS, SPA_FLAG_METASLABS, &spa_flags, 11752e4c9986SGeorge Wilson 'h', MDB_OPT_SETBITS, SPA_FLAG_HISTOGRAMS, &spa_flags, 1176fa9e4066Sahrens NULL) != argc) 1177fa9e4066Sahrens return (DCMD_USAGE); 1178fa9e4066Sahrens 1179fa9e4066Sahrens if (!(flags & DCMD_ADDRSPEC)) { 1180fa9e4066Sahrens if (mdb_walk_dcmd("spa", "spa", argc, argv) == -1) { 1181fa9e4066Sahrens mdb_warn("can't walk spa"); 1182fa9e4066Sahrens return (DCMD_ERR); 1183fa9e4066Sahrens } 1184fa9e4066Sahrens 1185fa9e4066Sahrens return (DCMD_OK); 1186fa9e4066Sahrens } 1187fa9e4066Sahrens 1188fa9e4066Sahrens if (flags & DCMD_PIPE_OUT) { 1189fa9e4066Sahrens mdb_printf("%#lr\n", addr); 1190fa9e4066Sahrens return (DCMD_OK); 1191fa9e4066Sahrens } 1192fa9e4066Sahrens 1193fa9e4066Sahrens if (DCMD_HDRSPEC(flags)) 1194fa9e4066Sahrens mdb_printf("%<u>%-?s %9s %-*s%</u>\n", "ADDR", "STATE", 1195fa9e4066Sahrens sizeof (uintptr_t) == 4 ? 60 : 52, "NAME"); 1196fa9e4066Sahrens 119722ce0148SMatthew Ahrens mdb_spa_print_t spa; 119822ce0148SMatthew Ahrens if (mdb_ctf_vread(&spa, "spa_t", "mdb_spa_print_t", addr, 0) == -1) 1199fa9e4066Sahrens return (DCMD_ERR); 1200fa9e4066Sahrens 1201fa9e4066Sahrens if (spa.spa_state < 0 || spa.spa_state > POOL_STATE_UNAVAIL) 1202ea8dc4b6Seschrock state = "UNKNOWN"; 1203fa9e4066Sahrens else 1204fa9e4066Sahrens state = statetab[spa.spa_state]; 1205fa9e4066Sahrens 1206e14bb325SJeff Bonwick mdb_printf("%0?p %9s %s\n", addr, state, spa.spa_name); 1207*91e2a09fSSteve Gonczi if (spa_flags & SPA_FLAG_HISTOGRAMS) 1208*91e2a09fSSteve Gonczi spa_class_histogram(spa.spa_normal_class); 1209fa9e4066Sahrens 12102e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_CONFIG) { 1211fa9e4066Sahrens mdb_printf("\n"); 1212fa9e4066Sahrens mdb_inc_indent(4); 1213fa9e4066Sahrens if (mdb_call_dcmd("spa_config", addr, flags, 0, 1214fa9e4066Sahrens NULL) != DCMD_OK) 1215fa9e4066Sahrens return (DCMD_ERR); 1216fa9e4066Sahrens mdb_dec_indent(4); 1217fa9e4066Sahrens } 1218fa9e4066Sahrens 12192e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_ALL_VDEV) { 1220fa9e4066Sahrens mdb_arg_t v; 12212e4c9986SGeorge Wilson char opts[100] = "-"; 12222e4c9986SGeorge Wilson int args = 12232e4c9986SGeorge Wilson (spa_flags | SPA_FLAG_VDEVS) == SPA_FLAG_VDEVS ? 0 : 1; 12242e4c9986SGeorge Wilson 12252e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_ERRORS) 12262e4c9986SGeorge Wilson strcat(opts, "e"); 12272e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_METASLABS) 12282e4c9986SGeorge Wilson strcat(opts, "m"); 12292e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_METASLAB_GROUPS) 12302e4c9986SGeorge Wilson strcat(opts, "M"); 12312e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_HISTOGRAMS) 12322e4c9986SGeorge Wilson strcat(opts, "h"); 1233fa9e4066Sahrens 1234fa9e4066Sahrens v.a_type = MDB_TYPE_STRING; 12352e4c9986SGeorge Wilson v.a_un.a_str = opts; 1236fa9e4066Sahrens 1237fa9e4066Sahrens mdb_printf("\n"); 1238fa9e4066Sahrens mdb_inc_indent(4); 12392e4c9986SGeorge Wilson if (mdb_call_dcmd("spa_vdevs", addr, flags, args, 1240fa9e4066Sahrens &v) != DCMD_OK) 1241fa9e4066Sahrens return (DCMD_ERR); 1242fa9e4066Sahrens mdb_dec_indent(4); 1243fa9e4066Sahrens } 1244fa9e4066Sahrens 1245fa9e4066Sahrens return (DCMD_OK); 1246fa9e4066Sahrens } 1247fa9e4066Sahrens 124828e4da25SMatthew Ahrens typedef struct mdb_spa_config_spa { 1249d5ee8a13SMatthew Ahrens uintptr_t spa_config; 125028e4da25SMatthew Ahrens } mdb_spa_config_spa_t; 125128e4da25SMatthew Ahrens 1252fa9e4066Sahrens /* 1253fa9e4066Sahrens * ::spa_config 1254fa9e4066Sahrens * 1255fa9e4066Sahrens * Given a spa_t, print the configuration information stored in spa_config. 1256fa9e4066Sahrens * Since it's just an nvlist, format it as an indented list of name=value pairs. 1257fa9e4066Sahrens * We simply read the value of spa_config and pass off to ::nvlist. 1258fa9e4066Sahrens */ 1259fa9e4066Sahrens /* ARGSUSED */ 1260fa9e4066Sahrens static int 1261fa9e4066Sahrens spa_print_config(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1262fa9e4066Sahrens { 126328e4da25SMatthew Ahrens mdb_spa_config_spa_t spa; 1264fa9e4066Sahrens 1265fa9e4066Sahrens if (argc != 0 || !(flags & DCMD_ADDRSPEC)) 1266fa9e4066Sahrens return (DCMD_USAGE); 1267fa9e4066Sahrens 126828e4da25SMatthew Ahrens if (mdb_ctf_vread(&spa, ZFS_STRUCT "spa", "mdb_spa_config_spa_t", 126928e4da25SMatthew Ahrens addr, 0) == -1) 1270fa9e4066Sahrens return (DCMD_ERR); 1271fa9e4066Sahrens 1272d5ee8a13SMatthew Ahrens if (spa.spa_config == 0) { 1273fa9e4066Sahrens mdb_printf("(none)\n"); 1274fa9e4066Sahrens return (DCMD_OK); 1275fa9e4066Sahrens } 1276fa9e4066Sahrens 1277d5ee8a13SMatthew Ahrens return (mdb_call_dcmd("nvlist", spa.spa_config, flags, 1278fa9e4066Sahrens 0, NULL)); 1279fa9e4066Sahrens } 1280fa9e4066Sahrens 12812e4c9986SGeorge Wilson 12822e4c9986SGeorge Wilson 12832e4c9986SGeorge Wilson typedef struct mdb_range_tree { 12842e4c9986SGeorge Wilson uint64_t rt_space; 12852e4c9986SGeorge Wilson } mdb_range_tree_t; 12862e4c9986SGeorge Wilson 12872e4c9986SGeorge Wilson typedef struct mdb_metaslab_group { 12882e4c9986SGeorge Wilson uint64_t mg_fragmentation; 12892e4c9986SGeorge Wilson uint64_t mg_histogram[RANGE_TREE_HISTOGRAM_SIZE]; 12902e4c9986SGeorge Wilson } mdb_metaslab_group_t; 12912e4c9986SGeorge Wilson 12922e4c9986SGeorge Wilson typedef struct mdb_metaslab { 12932e4c9986SGeorge Wilson uint64_t ms_id; 12942e4c9986SGeorge Wilson uint64_t ms_start; 12952e4c9986SGeorge Wilson uint64_t ms_size; 12962e4c9986SGeorge Wilson uint64_t ms_fragmentation; 12972e4c9986SGeorge Wilson uintptr_t ms_alloctree[TXG_SIZE]; 12982e4c9986SGeorge Wilson uintptr_t ms_freetree[TXG_SIZE]; 12992e4c9986SGeorge Wilson uintptr_t ms_tree; 13002e4c9986SGeorge Wilson uintptr_t ms_sm; 13012e4c9986SGeorge Wilson } mdb_metaslab_t; 13022e4c9986SGeorge Wilson 13032e4c9986SGeorge Wilson typedef struct mdb_space_map_phys_t { 13042e4c9986SGeorge Wilson uint64_t smp_alloc; 13052e4c9986SGeorge Wilson uint64_t smp_histogram[SPACE_MAP_HISTOGRAM_SIZE]; 13062e4c9986SGeorge Wilson } mdb_space_map_phys_t; 13072e4c9986SGeorge Wilson 13082e4c9986SGeorge Wilson typedef struct mdb_space_map { 13092e4c9986SGeorge Wilson uint64_t sm_size; 13102e4c9986SGeorge Wilson uint8_t sm_shift; 13112e4c9986SGeorge Wilson uint64_t sm_alloc; 13122e4c9986SGeorge Wilson uintptr_t sm_phys; 13132e4c9986SGeorge Wilson } mdb_space_map_t; 13142e4c9986SGeorge Wilson 13152e4c9986SGeorge Wilson typedef struct mdb_vdev { 13162e4c9986SGeorge Wilson uintptr_t vdev_ms; 13172e4c9986SGeorge Wilson uint64_t vdev_ms_count; 13182e4c9986SGeorge Wilson vdev_stat_t vdev_stat; 13192e4c9986SGeorge Wilson } mdb_vdev_t; 13202e4c9986SGeorge Wilson 13212e4c9986SGeorge Wilson static int 13222e4c9986SGeorge Wilson metaslab_stats(uintptr_t addr, int spa_flags) 13232e4c9986SGeorge Wilson { 13242e4c9986SGeorge Wilson mdb_vdev_t vdev; 13252e4c9986SGeorge Wilson uintptr_t *vdev_ms; 13262e4c9986SGeorge Wilson 13272e4c9986SGeorge Wilson if (mdb_ctf_vread(&vdev, "vdev_t", "mdb_vdev_t", 13282e4c9986SGeorge Wilson (uintptr_t)addr, 0) == -1) { 13292e4c9986SGeorge Wilson mdb_warn("failed to read vdev at %p\n", addr); 13302e4c9986SGeorge Wilson return (DCMD_ERR); 13312e4c9986SGeorge Wilson } 13322e4c9986SGeorge Wilson 13332e4c9986SGeorge Wilson mdb_inc_indent(4); 13342e4c9986SGeorge Wilson mdb_printf("%<u>%-?s %6s %20s %10s %9s%</u>\n", "ADDR", "ID", 13352e4c9986SGeorge Wilson "OFFSET", "FREE", "FRAGMENTATION"); 13362e4c9986SGeorge Wilson 13372e4c9986SGeorge Wilson vdev_ms = mdb_alloc(vdev.vdev_ms_count * sizeof (void *), 13382e4c9986SGeorge Wilson UM_SLEEP | UM_GC); 13392e4c9986SGeorge Wilson if (mdb_vread(vdev_ms, vdev.vdev_ms_count * sizeof (void *), 13402e4c9986SGeorge Wilson (uintptr_t)vdev.vdev_ms) == -1) { 13412e4c9986SGeorge Wilson mdb_warn("failed to read vdev_ms at %p\n", vdev.vdev_ms); 13422e4c9986SGeorge Wilson return (DCMD_ERR); 13432e4c9986SGeorge Wilson } 13442e4c9986SGeorge Wilson 13452e4c9986SGeorge Wilson for (int m = 0; m < vdev.vdev_ms_count; m++) { 13462e4c9986SGeorge Wilson mdb_metaslab_t ms; 13472e4c9986SGeorge Wilson mdb_space_map_t sm = { 0 }; 13482e4c9986SGeorge Wilson char free[NICENUM_BUFLEN]; 13492e4c9986SGeorge Wilson 13502e4c9986SGeorge Wilson if (mdb_ctf_vread(&ms, "metaslab_t", "mdb_metaslab_t", 13512e4c9986SGeorge Wilson (uintptr_t)vdev_ms[m], 0) == -1) 13522e4c9986SGeorge Wilson return (DCMD_ERR); 13532e4c9986SGeorge Wilson 13542e4c9986SGeorge Wilson if (ms.ms_sm != NULL && 13552e4c9986SGeorge Wilson mdb_ctf_vread(&sm, "space_map_t", "mdb_space_map_t", 13562e4c9986SGeorge Wilson ms.ms_sm, 0) == -1) 13572e4c9986SGeorge Wilson return (DCMD_ERR); 13582e4c9986SGeorge Wilson 13592e4c9986SGeorge Wilson mdb_nicenum(ms.ms_size - sm.sm_alloc, free); 13602e4c9986SGeorge Wilson 13612e4c9986SGeorge Wilson mdb_printf("%0?p %6llu %20llx %10s ", vdev_ms[m], ms.ms_id, 13622e4c9986SGeorge Wilson ms.ms_start, free); 13632e4c9986SGeorge Wilson if (ms.ms_fragmentation == ZFS_FRAG_INVALID) 13642e4c9986SGeorge Wilson mdb_printf("%9s\n", "-"); 13652e4c9986SGeorge Wilson else 13662e4c9986SGeorge Wilson mdb_printf("%9llu%%\n", ms.ms_fragmentation); 13672e4c9986SGeorge Wilson 13682e4c9986SGeorge Wilson if ((spa_flags & SPA_FLAG_HISTOGRAMS) && ms.ms_sm != NULL) { 13692e4c9986SGeorge Wilson mdb_space_map_phys_t smp; 13702e4c9986SGeorge Wilson 13712e4c9986SGeorge Wilson if (sm.sm_phys == NULL) 13722e4c9986SGeorge Wilson continue; 13732e4c9986SGeorge Wilson 13742e4c9986SGeorge Wilson (void) mdb_ctf_vread(&smp, "space_map_phys_t", 13752e4c9986SGeorge Wilson "mdb_space_map_phys_t", sm.sm_phys, 0); 13762e4c9986SGeorge Wilson 13772e4c9986SGeorge Wilson dump_histogram(smp.smp_histogram, 13782e4c9986SGeorge Wilson SPACE_MAP_HISTOGRAM_SIZE, sm.sm_shift); 13792e4c9986SGeorge Wilson } 13802e4c9986SGeorge Wilson } 13812e4c9986SGeorge Wilson mdb_dec_indent(4); 13822e4c9986SGeorge Wilson return (DCMD_OK); 13832e4c9986SGeorge Wilson } 13842e4c9986SGeorge Wilson 13852e4c9986SGeorge Wilson static int 13862e4c9986SGeorge Wilson metaslab_group_stats(uintptr_t addr, int spa_flags) 13872e4c9986SGeorge Wilson { 13882e4c9986SGeorge Wilson mdb_metaslab_group_t mg; 13892e4c9986SGeorge Wilson if (mdb_ctf_vread(&mg, "metaslab_group_t", "mdb_metaslab_group_t", 13902e4c9986SGeorge Wilson (uintptr_t)addr, 0) == -1) { 13912e4c9986SGeorge Wilson mdb_warn("failed to read vdev_mg at %p\n", addr); 13922e4c9986SGeorge Wilson return (DCMD_ERR); 13932e4c9986SGeorge Wilson } 13942e4c9986SGeorge Wilson 13952e4c9986SGeorge Wilson mdb_inc_indent(4); 13962e4c9986SGeorge Wilson mdb_printf("%<u>%-?s %15s%</u>\n", "ADDR", "FRAGMENTATION"); 13972e4c9986SGeorge Wilson if (mg.mg_fragmentation == ZFS_FRAG_INVALID) 13982e4c9986SGeorge Wilson mdb_printf("%0?p %15s\n", addr, "-"); 13992e4c9986SGeorge Wilson else 14002e4c9986SGeorge Wilson mdb_printf("%0?p %15llu%%\n", addr, mg.mg_fragmentation); 14012e4c9986SGeorge Wilson 14022e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_HISTOGRAMS) 14032e4c9986SGeorge Wilson dump_histogram(mg.mg_histogram, RANGE_TREE_HISTOGRAM_SIZE, 0); 14042e4c9986SGeorge Wilson mdb_dec_indent(4); 14052e4c9986SGeorge Wilson return (DCMD_OK); 14062e4c9986SGeorge Wilson } 14072e4c9986SGeorge Wilson 1408fa9e4066Sahrens /* 1409fa9e4066Sahrens * ::vdev 1410fa9e4066Sahrens * 1411fa9e4066Sahrens * Print out a summarized vdev_t, in the following form: 1412fa9e4066Sahrens * 1413fa9e4066Sahrens * ADDR STATE AUX DESC 1414fa9e4066Sahrens * fffffffbcde23df0 HEALTHY - /dev/dsk/c0t0d0 1415fa9e4066Sahrens * 1416fa9e4066Sahrens * If '-r' is specified, recursively visit all children. 1417fa9e4066Sahrens * 1418fa9e4066Sahrens * With '-e', the statistics associated with the vdev are printed as well. 1419fa9e4066Sahrens */ 1420fa9e4066Sahrens static int 14212e4c9986SGeorge Wilson do_print_vdev(uintptr_t addr, int flags, int depth, boolean_t recursive, 14222e4c9986SGeorge Wilson int spa_flags) 1423fa9e4066Sahrens { 1424fa9e4066Sahrens vdev_t vdev; 1425fa9e4066Sahrens char desc[MAXNAMELEN]; 1426fa9e4066Sahrens int c, children; 1427fa9e4066Sahrens uintptr_t *child; 1428fa9e4066Sahrens const char *state, *aux; 1429fa9e4066Sahrens 1430fa9e4066Sahrens if (mdb_vread(&vdev, sizeof (vdev), (uintptr_t)addr) == -1) { 1431fa9e4066Sahrens mdb_warn("failed to read vdev_t at %p\n", (uintptr_t)addr); 1432fa9e4066Sahrens return (DCMD_ERR); 1433fa9e4066Sahrens } 1434fa9e4066Sahrens 1435fa9e4066Sahrens if (flags & DCMD_PIPE_OUT) { 1436b4952e17SGeorge Wilson mdb_printf("%#lr\n", addr); 1437fa9e4066Sahrens } else { 1438fa9e4066Sahrens if (vdev.vdev_path != NULL) { 1439fa9e4066Sahrens if (mdb_readstr(desc, sizeof (desc), 1440fa9e4066Sahrens (uintptr_t)vdev.vdev_path) == -1) { 1441fa9e4066Sahrens mdb_warn("failed to read vdev_path at %p\n", 1442fa9e4066Sahrens vdev.vdev_path); 1443fa9e4066Sahrens return (DCMD_ERR); 1444fa9e4066Sahrens } 1445fa9e4066Sahrens } else if (vdev.vdev_ops != NULL) { 1446fa9e4066Sahrens vdev_ops_t ops; 1447fa9e4066Sahrens if (mdb_vread(&ops, sizeof (ops), 1448fa9e4066Sahrens (uintptr_t)vdev.vdev_ops) == -1) { 1449fa9e4066Sahrens mdb_warn("failed to read vdev_ops at %p\n", 1450fa9e4066Sahrens vdev.vdev_ops); 1451fa9e4066Sahrens return (DCMD_ERR); 1452fa9e4066Sahrens } 1453fa9e4066Sahrens (void) strcpy(desc, ops.vdev_op_type); 1454fa9e4066Sahrens } else { 1455fa9e4066Sahrens (void) strcpy(desc, "<unknown>"); 1456fa9e4066Sahrens } 1457fa9e4066Sahrens 1458fa9e4066Sahrens if (depth == 0 && DCMD_HDRSPEC(flags)) 1459fa9e4066Sahrens mdb_printf("%<u>%-?s %-9s %-12s %-*s%</u>\n", 1460fa9e4066Sahrens "ADDR", "STATE", "AUX", 1461fa9e4066Sahrens sizeof (uintptr_t) == 4 ? 43 : 35, 1462fa9e4066Sahrens "DESCRIPTION"); 1463fa9e4066Sahrens 1464fa9e4066Sahrens mdb_printf("%0?p ", addr); 1465fa9e4066Sahrens 1466fa9e4066Sahrens switch (vdev.vdev_state) { 1467fa9e4066Sahrens case VDEV_STATE_CLOSED: 1468ccae0b50Seschrock state = "CLOSED"; 1469ccae0b50Seschrock break; 1470fa9e4066Sahrens case VDEV_STATE_OFFLINE: 1471ccae0b50Seschrock state = "OFFLINE"; 1472ccae0b50Seschrock break; 1473fa9e4066Sahrens case VDEV_STATE_CANT_OPEN: 1474ccae0b50Seschrock state = "CANT_OPEN"; 1475ccae0b50Seschrock break; 1476fa9e4066Sahrens case VDEV_STATE_DEGRADED: 1477ccae0b50Seschrock state = "DEGRADED"; 1478ccae0b50Seschrock break; 1479fa9e4066Sahrens case VDEV_STATE_HEALTHY: 1480ccae0b50Seschrock state = "HEALTHY"; 1481ccae0b50Seschrock break; 14823d7072f8Seschrock case VDEV_STATE_REMOVED: 14833d7072f8Seschrock state = "REMOVED"; 14843d7072f8Seschrock break; 14853d7072f8Seschrock case VDEV_STATE_FAULTED: 14863d7072f8Seschrock state = "FAULTED"; 14873d7072f8Seschrock break; 1488fa9e4066Sahrens default: 1489ccae0b50Seschrock state = "UNKNOWN"; 1490ccae0b50Seschrock break; 1491fa9e4066Sahrens } 1492fa9e4066Sahrens 1493fa9e4066Sahrens switch (vdev.vdev_stat.vs_aux) { 1494fa9e4066Sahrens case VDEV_AUX_NONE: 1495fa9e4066Sahrens aux = "-"; 1496fa9e4066Sahrens break; 1497fa9e4066Sahrens case VDEV_AUX_OPEN_FAILED: 1498fa9e4066Sahrens aux = "OPEN_FAILED"; 1499fa9e4066Sahrens break; 1500fa9e4066Sahrens case VDEV_AUX_CORRUPT_DATA: 1501fa9e4066Sahrens aux = "CORRUPT_DATA"; 1502fa9e4066Sahrens break; 1503fa9e4066Sahrens case VDEV_AUX_NO_REPLICAS: 1504fa9e4066Sahrens aux = "NO_REPLICAS"; 1505fa9e4066Sahrens break; 1506fa9e4066Sahrens case VDEV_AUX_BAD_GUID_SUM: 1507fa9e4066Sahrens aux = "BAD_GUID_SUM"; 1508fa9e4066Sahrens break; 1509fa9e4066Sahrens case VDEV_AUX_TOO_SMALL: 1510fa9e4066Sahrens aux = "TOO_SMALL"; 1511fa9e4066Sahrens break; 1512fa9e4066Sahrens case VDEV_AUX_BAD_LABEL: 1513fa9e4066Sahrens aux = "BAD_LABEL"; 1514fa9e4066Sahrens break; 1515b87f3af3Sperrin case VDEV_AUX_VERSION_NEWER: 1516b87f3af3Sperrin aux = "VERS_NEWER"; 1517b87f3af3Sperrin break; 1518b87f3af3Sperrin case VDEV_AUX_VERSION_OLDER: 1519b87f3af3Sperrin aux = "VERS_OLDER"; 1520b87f3af3Sperrin break; 1521ad135b5dSChristopher Siden case VDEV_AUX_UNSUP_FEAT: 1522ad135b5dSChristopher Siden aux = "UNSUP_FEAT"; 1523ad135b5dSChristopher Siden break; 1524b87f3af3Sperrin case VDEV_AUX_SPARED: 1525b87f3af3Sperrin aux = "SPARED"; 1526b87f3af3Sperrin break; 1527b87f3af3Sperrin case VDEV_AUX_ERR_EXCEEDED: 1528b87f3af3Sperrin aux = "ERR_EXCEEDED"; 1529b87f3af3Sperrin break; 1530b87f3af3Sperrin case VDEV_AUX_IO_FAILURE: 1531b87f3af3Sperrin aux = "IO_FAILURE"; 1532b87f3af3Sperrin break; 1533b87f3af3Sperrin case VDEV_AUX_BAD_LOG: 1534b87f3af3Sperrin aux = "BAD_LOG"; 1535b87f3af3Sperrin break; 15361195e687SMark J Musante case VDEV_AUX_EXTERNAL: 15371195e687SMark J Musante aux = "EXTERNAL"; 15381195e687SMark J Musante break; 15391195e687SMark J Musante case VDEV_AUX_SPLIT_POOL: 15401195e687SMark J Musante aux = "SPLIT_POOL"; 15411195e687SMark J Musante break; 1542fa9e4066Sahrens default: 1543fa9e4066Sahrens aux = "UNKNOWN"; 1544fa9e4066Sahrens break; 1545fa9e4066Sahrens } 1546fa9e4066Sahrens 1547fa9e4066Sahrens mdb_printf("%-9s %-12s %*s%s\n", state, aux, depth, "", desc); 1548fa9e4066Sahrens 15492e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_ERRORS) { 1550fa9e4066Sahrens vdev_stat_t *vs = &vdev.vdev_stat; 1551fa9e4066Sahrens int i; 1552fa9e4066Sahrens 1553fa9e4066Sahrens mdb_inc_indent(4); 1554fa9e4066Sahrens mdb_printf("\n"); 1555fa9e4066Sahrens mdb_printf("%<u> %12s %12s %12s %12s " 1556fa9e4066Sahrens "%12s%</u>\n", "READ", "WRITE", "FREE", "CLAIM", 1557fa9e4066Sahrens "IOCTL"); 1558fa9e4066Sahrens mdb_printf("OPS "); 1559fa9e4066Sahrens for (i = 1; i < ZIO_TYPES; i++) 1560fa9e4066Sahrens mdb_printf("%11#llx%s", vs->vs_ops[i], 1561fa9e4066Sahrens i == ZIO_TYPES - 1 ? "" : " "); 1562fa9e4066Sahrens mdb_printf("\n"); 1563fa9e4066Sahrens mdb_printf("BYTES "); 1564fa9e4066Sahrens for (i = 1; i < ZIO_TYPES; i++) 1565fa9e4066Sahrens mdb_printf("%11#llx%s", vs->vs_bytes[i], 1566fa9e4066Sahrens i == ZIO_TYPES - 1 ? "" : " "); 1567fa9e4066Sahrens 1568fa9e4066Sahrens 1569fa9e4066Sahrens mdb_printf("\n"); 1570fa9e4066Sahrens mdb_printf("EREAD %10#llx\n", vs->vs_read_errors); 1571fa9e4066Sahrens mdb_printf("EWRITE %10#llx\n", vs->vs_write_errors); 1572fa9e4066Sahrens mdb_printf("ECKSUM %10#llx\n", 1573fa9e4066Sahrens vs->vs_checksum_errors); 1574fa9e4066Sahrens mdb_dec_indent(4); 15752e4c9986SGeorge Wilson mdb_printf("\n"); 1576fa9e4066Sahrens } 1577fa9e4066Sahrens 15782e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_METASLAB_GROUPS && 15792e4c9986SGeorge Wilson vdev.vdev_mg != NULL) { 15802e4c9986SGeorge Wilson metaslab_group_stats((uintptr_t)vdev.vdev_mg, 15812e4c9986SGeorge Wilson spa_flags); 15822e4c9986SGeorge Wilson } 15832e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_METASLABS && vdev.vdev_ms != NULL) { 15842e4c9986SGeorge Wilson metaslab_stats((uintptr_t)addr, spa_flags); 15852e4c9986SGeorge Wilson } 1586fa9e4066Sahrens } 1587fa9e4066Sahrens 1588fa9e4066Sahrens children = vdev.vdev_children; 1589fa9e4066Sahrens 1590fa9e4066Sahrens if (children == 0 || !recursive) 1591fa9e4066Sahrens return (DCMD_OK); 1592fa9e4066Sahrens 1593fa9e4066Sahrens child = mdb_alloc(children * sizeof (void *), UM_SLEEP | UM_GC); 1594fa9e4066Sahrens if (mdb_vread(child, children * sizeof (void *), 1595fa9e4066Sahrens (uintptr_t)vdev.vdev_child) == -1) { 1596fa9e4066Sahrens mdb_warn("failed to read vdev children at %p", vdev.vdev_child); 1597fa9e4066Sahrens return (DCMD_ERR); 1598fa9e4066Sahrens } 1599fa9e4066Sahrens 1600fa9e4066Sahrens for (c = 0; c < children; c++) { 16012e4c9986SGeorge Wilson if (do_print_vdev(child[c], flags, depth + 2, recursive, 16022e4c9986SGeorge Wilson spa_flags)) { 1603fa9e4066Sahrens return (DCMD_ERR); 16042e4c9986SGeorge Wilson } 1605fa9e4066Sahrens } 1606fa9e4066Sahrens 1607fa9e4066Sahrens return (DCMD_OK); 1608fa9e4066Sahrens } 1609fa9e4066Sahrens 1610fa9e4066Sahrens static int 1611fa9e4066Sahrens vdev_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1612fa9e4066Sahrens { 1613c5904d13Seschrock uint64_t depth = 0; 16142e4c9986SGeorge Wilson boolean_t recursive = B_FALSE; 16152e4c9986SGeorge Wilson int spa_flags = 0; 1616fa9e4066Sahrens 1617fa9e4066Sahrens if (mdb_getopts(argc, argv, 16182e4c9986SGeorge Wilson 'e', MDB_OPT_SETBITS, SPA_FLAG_ERRORS, &spa_flags, 16192e4c9986SGeorge Wilson 'm', MDB_OPT_SETBITS, SPA_FLAG_METASLABS, &spa_flags, 16202e4c9986SGeorge Wilson 'M', MDB_OPT_SETBITS, SPA_FLAG_METASLAB_GROUPS, &spa_flags, 16212e4c9986SGeorge Wilson 'h', MDB_OPT_SETBITS, SPA_FLAG_HISTOGRAMS, &spa_flags, 1622fa9e4066Sahrens 'r', MDB_OPT_SETBITS, TRUE, &recursive, 16232e4c9986SGeorge Wilson 'd', MDB_OPT_UINT64, &depth, NULL) != argc) 1624fa9e4066Sahrens return (DCMD_USAGE); 1625fa9e4066Sahrens 1626fa9e4066Sahrens if (!(flags & DCMD_ADDRSPEC)) { 1627fa9e4066Sahrens mdb_warn("no vdev_t address given\n"); 1628fa9e4066Sahrens return (DCMD_ERR); 1629fa9e4066Sahrens } 1630fa9e4066Sahrens 16312e4c9986SGeorge Wilson return (do_print_vdev(addr, flags, (int)depth, recursive, spa_flags)); 1632fa9e4066Sahrens } 1633fa9e4066Sahrens 16345f5f7a6fSahrens typedef struct metaslab_walk_data { 16355f5f7a6fSahrens uint64_t mw_numvdevs; 16365f5f7a6fSahrens uintptr_t *mw_vdevs; 16375f5f7a6fSahrens int mw_curvdev; 16385f5f7a6fSahrens uint64_t mw_nummss; 16395f5f7a6fSahrens uintptr_t *mw_mss; 16405f5f7a6fSahrens int mw_curms; 16415f5f7a6fSahrens } metaslab_walk_data_t; 16425f5f7a6fSahrens 16435f5f7a6fSahrens static int 16445f5f7a6fSahrens metaslab_walk_step(mdb_walk_state_t *wsp) 16455f5f7a6fSahrens { 16465f5f7a6fSahrens metaslab_walk_data_t *mw = wsp->walk_data; 16475f5f7a6fSahrens metaslab_t ms; 16485f5f7a6fSahrens uintptr_t msp; 16495f5f7a6fSahrens 16505f5f7a6fSahrens if (mw->mw_curvdev >= mw->mw_numvdevs) 16515f5f7a6fSahrens return (WALK_DONE); 16525f5f7a6fSahrens 16535f5f7a6fSahrens if (mw->mw_mss == NULL) { 16545f5f7a6fSahrens uintptr_t mssp; 16555f5f7a6fSahrens uintptr_t vdevp; 16565f5f7a6fSahrens 16575f5f7a6fSahrens ASSERT(mw->mw_curms == 0); 16585f5f7a6fSahrens ASSERT(mw->mw_nummss == 0); 16595f5f7a6fSahrens 16605f5f7a6fSahrens vdevp = mw->mw_vdevs[mw->mw_curvdev]; 166128e4da25SMatthew Ahrens if (GETMEMB(vdevp, "vdev", vdev_ms, mssp) || 166228e4da25SMatthew Ahrens GETMEMB(vdevp, "vdev", vdev_ms_count, mw->mw_nummss)) { 16635f5f7a6fSahrens return (WALK_ERR); 16645f5f7a6fSahrens } 16655f5f7a6fSahrens 16665f5f7a6fSahrens mw->mw_mss = mdb_alloc(mw->mw_nummss * sizeof (void*), 16675f5f7a6fSahrens UM_SLEEP | UM_GC); 16685f5f7a6fSahrens if (mdb_vread(mw->mw_mss, mw->mw_nummss * sizeof (void*), 16695f5f7a6fSahrens mssp) == -1) { 16705f5f7a6fSahrens mdb_warn("failed to read vdev_ms at %p", mssp); 16715f5f7a6fSahrens return (WALK_ERR); 16725f5f7a6fSahrens } 16735f5f7a6fSahrens } 16745f5f7a6fSahrens 16755f5f7a6fSahrens if (mw->mw_curms >= mw->mw_nummss) { 16765f5f7a6fSahrens mw->mw_mss = NULL; 16775f5f7a6fSahrens mw->mw_curms = 0; 16785f5f7a6fSahrens mw->mw_nummss = 0; 16795f5f7a6fSahrens mw->mw_curvdev++; 16805f5f7a6fSahrens return (WALK_NEXT); 16815f5f7a6fSahrens } 16825f5f7a6fSahrens 16835f5f7a6fSahrens msp = mw->mw_mss[mw->mw_curms]; 16845f5f7a6fSahrens if (mdb_vread(&ms, sizeof (metaslab_t), msp) == -1) { 16855f5f7a6fSahrens mdb_warn("failed to read metaslab_t at %p", msp); 16865f5f7a6fSahrens return (WALK_ERR); 16875f5f7a6fSahrens } 16885f5f7a6fSahrens 16895f5f7a6fSahrens mw->mw_curms++; 16905f5f7a6fSahrens 16915f5f7a6fSahrens return (wsp->walk_callback(msp, &ms, wsp->walk_cbdata)); 16925f5f7a6fSahrens } 16935f5f7a6fSahrens 16945f5f7a6fSahrens static int 16955f5f7a6fSahrens metaslab_walk_init(mdb_walk_state_t *wsp) 16965f5f7a6fSahrens { 16975f5f7a6fSahrens metaslab_walk_data_t *mw; 16985f5f7a6fSahrens uintptr_t root_vdevp; 16995f5f7a6fSahrens uintptr_t childp; 17005f5f7a6fSahrens 17015f5f7a6fSahrens if (wsp->walk_addr == NULL) { 17025f5f7a6fSahrens mdb_warn("must supply address of spa_t\n"); 17035f5f7a6fSahrens return (WALK_ERR); 17045f5f7a6fSahrens } 17055f5f7a6fSahrens 17065f5f7a6fSahrens mw = mdb_zalloc(sizeof (metaslab_walk_data_t), UM_SLEEP | UM_GC); 17075f5f7a6fSahrens 170828e4da25SMatthew Ahrens if (GETMEMB(wsp->walk_addr, "spa", spa_root_vdev, root_vdevp) || 170928e4da25SMatthew Ahrens GETMEMB(root_vdevp, "vdev", vdev_children, mw->mw_numvdevs) || 171028e4da25SMatthew Ahrens GETMEMB(root_vdevp, "vdev", vdev_child, childp)) { 17115f5f7a6fSahrens return (DCMD_ERR); 17125f5f7a6fSahrens } 17135f5f7a6fSahrens 17145f5f7a6fSahrens mw->mw_vdevs = mdb_alloc(mw->mw_numvdevs * sizeof (void *), 17155f5f7a6fSahrens UM_SLEEP | UM_GC); 17165f5f7a6fSahrens if (mdb_vread(mw->mw_vdevs, mw->mw_numvdevs * sizeof (void *), 17175f5f7a6fSahrens childp) == -1) { 17185f5f7a6fSahrens mdb_warn("failed to read root vdev children at %p", childp); 17195f5f7a6fSahrens return (DCMD_ERR); 17205f5f7a6fSahrens } 17215f5f7a6fSahrens 17225f5f7a6fSahrens wsp->walk_data = mw; 17235f5f7a6fSahrens 17245f5f7a6fSahrens return (WALK_NEXT); 17255f5f7a6fSahrens } 17265f5f7a6fSahrens 1727fa9e4066Sahrens typedef struct mdb_spa { 1728fa9e4066Sahrens uintptr_t spa_dsl_pool; 1729fa9e4066Sahrens uintptr_t spa_root_vdev; 1730fa9e4066Sahrens } mdb_spa_t; 1731fa9e4066Sahrens 17322515f5d4SJustin T. Gibbs typedef struct mdb_dsl_pool { 17332515f5d4SJustin T. Gibbs uintptr_t dp_root_dir; 17342515f5d4SJustin T. Gibbs } mdb_dsl_pool_t; 17352515f5d4SJustin T. Gibbs 1736fa9e4066Sahrens typedef struct mdb_dsl_dir { 17372515f5d4SJustin T. Gibbs uintptr_t dd_dbuf; 1738fa9e4066Sahrens int64_t dd_space_towrite[TXG_SIZE]; 1739fa9e4066Sahrens } mdb_dsl_dir_t; 1740fa9e4066Sahrens 1741fa9e4066Sahrens typedef struct mdb_dsl_dir_phys { 1742fa9e4066Sahrens uint64_t dd_used_bytes; 1743fa9e4066Sahrens uint64_t dd_compressed_bytes; 1744fa9e4066Sahrens uint64_t dd_uncompressed_bytes; 1745fa9e4066Sahrens } mdb_dsl_dir_phys_t; 1746fa9e4066Sahrens 17475f5f7a6fSahrens typedef struct space_data { 17480713e232SGeorge Wilson uint64_t ms_alloctree[TXG_SIZE]; 17490713e232SGeorge Wilson uint64_t ms_freetree[TXG_SIZE]; 17500713e232SGeorge Wilson uint64_t ms_tree; 17515f5f7a6fSahrens uint64_t avail; 17525f5f7a6fSahrens uint64_t nowavail; 17535f5f7a6fSahrens } space_data_t; 17545f5f7a6fSahrens 17555f5f7a6fSahrens /* ARGSUSED */ 17565f5f7a6fSahrens static int 17575f5f7a6fSahrens space_cb(uintptr_t addr, const void *unknown, void *arg) 17585f5f7a6fSahrens { 17595f5f7a6fSahrens space_data_t *sd = arg; 17605f5f7a6fSahrens mdb_metaslab_t ms; 17610713e232SGeorge Wilson mdb_range_tree_t rt; 17622e4c9986SGeorge Wilson mdb_space_map_t sm = { 0 }; 17630713e232SGeorge Wilson mdb_space_map_phys_t smp = { 0 }; 17640713e232SGeorge Wilson int i; 17650713e232SGeorge Wilson 17660713e232SGeorge Wilson if (mdb_ctf_vread(&ms, "metaslab_t", "mdb_metaslab_t", 17670713e232SGeorge Wilson addr, 0) == -1) 17680713e232SGeorge Wilson return (WALK_ERR); 17690713e232SGeorge Wilson 17700713e232SGeorge Wilson for (i = 0; i < TXG_SIZE; i++) { 17710713e232SGeorge Wilson if (mdb_ctf_vread(&rt, "range_tree_t", 17720713e232SGeorge Wilson "mdb_range_tree_t", ms.ms_alloctree[i], 0) == -1) 17732e4c9986SGeorge Wilson return (WALK_ERR); 17742e4c9986SGeorge Wilson 17750713e232SGeorge Wilson sd->ms_alloctree[i] += rt.rt_space; 17765f5f7a6fSahrens 17770713e232SGeorge Wilson if (mdb_ctf_vread(&rt, "range_tree_t", 17780713e232SGeorge Wilson "mdb_range_tree_t", ms.ms_freetree[i], 0) == -1) 17792e4c9986SGeorge Wilson return (WALK_ERR); 17802e4c9986SGeorge Wilson 17810713e232SGeorge Wilson sd->ms_freetree[i] += rt.rt_space; 17820713e232SGeorge Wilson } 17830713e232SGeorge Wilson 17840713e232SGeorge Wilson if (mdb_ctf_vread(&rt, "range_tree_t", 17852e4c9986SGeorge Wilson "mdb_range_tree_t", ms.ms_tree, 0) == -1) 17862e4c9986SGeorge Wilson return (WALK_ERR); 17872e4c9986SGeorge Wilson 17882e4c9986SGeorge Wilson if (ms.ms_sm != NULL && 17890713e232SGeorge Wilson mdb_ctf_vread(&sm, "space_map_t", 17900713e232SGeorge Wilson "mdb_space_map_t", ms.ms_sm, 0) == -1) 17915f5f7a6fSahrens return (WALK_ERR); 17920713e232SGeorge Wilson 17930713e232SGeorge Wilson if (sm.sm_phys != NULL) { 17940713e232SGeorge Wilson (void) mdb_ctf_vread(&smp, "space_map_phys_t", 17950713e232SGeorge Wilson "mdb_space_map_phys_t", sm.sm_phys, 0); 17965f5f7a6fSahrens } 17975f5f7a6fSahrens 17980713e232SGeorge Wilson sd->ms_tree += rt.rt_space; 17990713e232SGeorge Wilson sd->avail += sm.sm_size - sm.sm_alloc; 18000713e232SGeorge Wilson sd->nowavail += sm.sm_size - smp.smp_alloc; 18015f5f7a6fSahrens 18025f5f7a6fSahrens return (WALK_NEXT); 18035f5f7a6fSahrens } 18045f5f7a6fSahrens 1805fa9e4066Sahrens /* 1806fa9e4066Sahrens * ::spa_space [-b] 1807fa9e4066Sahrens * 1808fa9e4066Sahrens * Given a spa_t, print out it's on-disk space usage and in-core 1809fa9e4066Sahrens * estimates of future usage. If -b is given, print space in bytes. 1810fa9e4066Sahrens * Otherwise print in megabytes. 1811fa9e4066Sahrens */ 1812fa9e4066Sahrens /* ARGSUSED */ 1813fa9e4066Sahrens static int 1814fa9e4066Sahrens spa_space(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1815fa9e4066Sahrens { 1816fa9e4066Sahrens mdb_spa_t spa; 18172515f5d4SJustin T. Gibbs mdb_dsl_pool_t dp; 1818fa9e4066Sahrens mdb_dsl_dir_t dd; 18192515f5d4SJustin T. Gibbs mdb_dmu_buf_impl_t db; 1820fa9e4066Sahrens mdb_dsl_dir_phys_t dsp; 18215f5f7a6fSahrens space_data_t sd; 1822fa9e4066Sahrens int shift = 20; 1823fa9e4066Sahrens char *suffix = "M"; 182428e4da25SMatthew Ahrens int bytes = B_FALSE; 1825fa9e4066Sahrens 182628e4da25SMatthew Ahrens if (mdb_getopts(argc, argv, 'b', MDB_OPT_SETBITS, TRUE, &bytes, NULL) != 1827fa9e4066Sahrens argc) 1828fa9e4066Sahrens return (DCMD_USAGE); 1829fa9e4066Sahrens if (!(flags & DCMD_ADDRSPEC)) 1830fa9e4066Sahrens return (DCMD_USAGE); 1831fa9e4066Sahrens 183228e4da25SMatthew Ahrens if (bytes) { 1833fa9e4066Sahrens shift = 0; 1834fa9e4066Sahrens suffix = ""; 1835fa9e4066Sahrens } 1836fa9e4066Sahrens 18372515f5d4SJustin T. Gibbs if (mdb_ctf_vread(&spa, ZFS_STRUCT "spa", "mdb_spa_t", 18382515f5d4SJustin T. Gibbs addr, 0) == -1 || 18392515f5d4SJustin T. Gibbs mdb_ctf_vread(&dp, ZFS_STRUCT "dsl_pool", "mdb_dsl_pool_t", 18402515f5d4SJustin T. Gibbs spa.spa_dsl_pool, 0) == -1 || 18412515f5d4SJustin T. Gibbs mdb_ctf_vread(&dd, ZFS_STRUCT "dsl_dir", "mdb_dsl_dir_t", 18422515f5d4SJustin T. Gibbs dp.dp_root_dir, 0) == -1 || 18432515f5d4SJustin T. Gibbs mdb_ctf_vread(&db, ZFS_STRUCT "dmu_buf_impl", "mdb_dmu_buf_impl_t", 18442515f5d4SJustin T. Gibbs dd.dd_dbuf, 0) == -1 || 18452515f5d4SJustin T. Gibbs mdb_ctf_vread(&dsp, ZFS_STRUCT "dsl_dir_phys", 18462515f5d4SJustin T. Gibbs "mdb_dsl_dir_phys_t", db.db.db_data, 0) == -1) { 1847fa9e4066Sahrens return (DCMD_ERR); 1848fa9e4066Sahrens } 1849fa9e4066Sahrens 1850fa9e4066Sahrens mdb_printf("dd_space_towrite = %llu%s %llu%s %llu%s %llu%s\n", 1851fa9e4066Sahrens dd.dd_space_towrite[0] >> shift, suffix, 1852fa9e4066Sahrens dd.dd_space_towrite[1] >> shift, suffix, 1853fa9e4066Sahrens dd.dd_space_towrite[2] >> shift, suffix, 1854fa9e4066Sahrens dd.dd_space_towrite[3] >> shift, suffix); 1855fa9e4066Sahrens 1856fa9e4066Sahrens mdb_printf("dd_phys.dd_used_bytes = %llu%s\n", 1857fa9e4066Sahrens dsp.dd_used_bytes >> shift, suffix); 18585f5f7a6fSahrens mdb_printf("dd_phys.dd_compressed_bytes = %llu%s\n", 18595f5f7a6fSahrens dsp.dd_compressed_bytes >> shift, suffix); 18605f5f7a6fSahrens mdb_printf("dd_phys.dd_uncompressed_bytes = %llu%s\n", 18615f5f7a6fSahrens dsp.dd_uncompressed_bytes >> shift, suffix); 18625f5f7a6fSahrens 18635f5f7a6fSahrens bzero(&sd, sizeof (sd)); 18645f5f7a6fSahrens if (mdb_pwalk("metaslab", space_cb, &sd, addr) != 0) { 18655f5f7a6fSahrens mdb_warn("can't walk metaslabs"); 18665f5f7a6fSahrens return (DCMD_ERR); 1867fa9e4066Sahrens } 1868fa9e4066Sahrens 1869fa9e4066Sahrens mdb_printf("ms_allocmap = %llu%s %llu%s %llu%s %llu%s\n", 18700713e232SGeorge Wilson sd.ms_alloctree[0] >> shift, suffix, 18710713e232SGeorge Wilson sd.ms_alloctree[1] >> shift, suffix, 18720713e232SGeorge Wilson sd.ms_alloctree[2] >> shift, suffix, 18730713e232SGeorge Wilson sd.ms_alloctree[3] >> shift, suffix); 1874fa9e4066Sahrens mdb_printf("ms_freemap = %llu%s %llu%s %llu%s %llu%s\n", 18750713e232SGeorge Wilson sd.ms_freetree[0] >> shift, suffix, 18760713e232SGeorge Wilson sd.ms_freetree[1] >> shift, suffix, 18770713e232SGeorge Wilson sd.ms_freetree[2] >> shift, suffix, 18780713e232SGeorge Wilson sd.ms_freetree[3] >> shift, suffix); 18790713e232SGeorge Wilson mdb_printf("ms_tree = %llu%s\n", sd.ms_tree >> shift, suffix); 18805f5f7a6fSahrens mdb_printf("last synced avail = %llu%s\n", sd.avail >> shift, suffix); 18815f5f7a6fSahrens mdb_printf("current syncing avail = %llu%s\n", 18825f5f7a6fSahrens sd.nowavail >> shift, suffix); 1883fa9e4066Sahrens 1884fa9e4066Sahrens return (DCMD_OK); 1885fa9e4066Sahrens } 1886fa9e4066Sahrens 188722ce0148SMatthew Ahrens typedef struct mdb_spa_aux_vdev { 188822ce0148SMatthew Ahrens int sav_count; 188922ce0148SMatthew Ahrens uintptr_t sav_vdevs; 189022ce0148SMatthew Ahrens } mdb_spa_aux_vdev_t; 1891fa9e4066Sahrens 189222ce0148SMatthew Ahrens typedef struct mdb_spa_vdevs { 189322ce0148SMatthew Ahrens uintptr_t spa_root_vdev; 189422ce0148SMatthew Ahrens mdb_spa_aux_vdev_t spa_l2cache; 189522ce0148SMatthew Ahrens mdb_spa_aux_vdev_t spa_spares; 189622ce0148SMatthew Ahrens } mdb_spa_vdevs_t; 1897fa9e4066Sahrens 1898ec9f632eSEric Schrock static int 189922ce0148SMatthew Ahrens spa_print_aux(mdb_spa_aux_vdev_t *sav, uint_t flags, mdb_arg_t *v, 1900ec9f632eSEric Schrock const char *name) 1901ec9f632eSEric Schrock { 1902ec9f632eSEric Schrock uintptr_t *aux; 1903ec9f632eSEric Schrock size_t len; 1904ec9f632eSEric Schrock int ret, i; 1905ec9f632eSEric Schrock 1906ec9f632eSEric Schrock /* 1907ec9f632eSEric Schrock * Iterate over aux vdevs and print those out as well. This is a 1908ec9f632eSEric Schrock * little annoying because we don't have a root vdev to pass to ::vdev. 1909ec9f632eSEric Schrock * Instead, we print a single line and then call it for each child 1910ec9f632eSEric Schrock * vdev. 1911ec9f632eSEric Schrock */ 1912ec9f632eSEric Schrock if (sav->sav_count != 0) { 1913ec9f632eSEric Schrock v[1].a_type = MDB_TYPE_STRING; 1914ec9f632eSEric Schrock v[1].a_un.a_str = "-d"; 1915ec9f632eSEric Schrock v[2].a_type = MDB_TYPE_IMMEDIATE; 1916ec9f632eSEric Schrock v[2].a_un.a_val = 2; 1917ec9f632eSEric Schrock 1918ec9f632eSEric Schrock len = sav->sav_count * sizeof (uintptr_t); 1919ec9f632eSEric Schrock aux = mdb_alloc(len, UM_SLEEP); 192022ce0148SMatthew Ahrens if (mdb_vread(aux, len, sav->sav_vdevs) == -1) { 1921ec9f632eSEric Schrock mdb_free(aux, len); 1922ec9f632eSEric Schrock mdb_warn("failed to read l2cache vdevs at %p", 1923ec9f632eSEric Schrock sav->sav_vdevs); 1924ec9f632eSEric Schrock return (DCMD_ERR); 1925ec9f632eSEric Schrock } 1926ec9f632eSEric Schrock 1927ec9f632eSEric Schrock mdb_printf("%-?s %-9s %-12s %s\n", "-", "-", "-", name); 1928ec9f632eSEric Schrock 1929ec9f632eSEric Schrock for (i = 0; i < sav->sav_count; i++) { 1930ec9f632eSEric Schrock ret = mdb_call_dcmd("vdev", aux[i], flags, 3, v); 1931ec9f632eSEric Schrock if (ret != DCMD_OK) { 1932ec9f632eSEric Schrock mdb_free(aux, len); 1933ec9f632eSEric Schrock return (ret); 1934ec9f632eSEric Schrock } 1935ec9f632eSEric Schrock } 1936ec9f632eSEric Schrock 1937ec9f632eSEric Schrock mdb_free(aux, len); 1938ec9f632eSEric Schrock } 1939ec9f632eSEric Schrock 1940ec9f632eSEric Schrock return (0); 1941ec9f632eSEric Schrock } 1942ec9f632eSEric Schrock 1943fa9e4066Sahrens /* 1944fa9e4066Sahrens * ::spa_vdevs 1945fa9e4066Sahrens * 19462e4c9986SGeorge Wilson * -e Include error stats 19472e4c9986SGeorge Wilson * -m Include metaslab information 19482e4c9986SGeorge Wilson * -M Include metaslab group information 19492e4c9986SGeorge Wilson * -h Include histogram information (requires -m or -M) 1950fa9e4066Sahrens * 1951fa9e4066Sahrens * Print out a summarized list of vdevs for the given spa_t. 1952c5904d13Seschrock * This is accomplished by invoking "::vdev -re" on the root vdev, as well as 1953c5904d13Seschrock * iterating over the cache devices. 1954fa9e4066Sahrens */ 1955fa9e4066Sahrens /* ARGSUSED */ 1956fa9e4066Sahrens static int 1957fa9e4066Sahrens spa_vdevs(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1958fa9e4066Sahrens { 1959c5904d13Seschrock mdb_arg_t v[3]; 1960ec9f632eSEric Schrock int ret; 19612e4c9986SGeorge Wilson char opts[100] = "-r"; 19622e4c9986SGeorge Wilson int spa_flags = 0; 1963fa9e4066Sahrens 1964fa9e4066Sahrens if (mdb_getopts(argc, argv, 19652e4c9986SGeorge Wilson 'e', MDB_OPT_SETBITS, SPA_FLAG_ERRORS, &spa_flags, 19662e4c9986SGeorge Wilson 'm', MDB_OPT_SETBITS, SPA_FLAG_METASLABS, &spa_flags, 19672e4c9986SGeorge Wilson 'M', MDB_OPT_SETBITS, SPA_FLAG_METASLAB_GROUPS, &spa_flags, 19682e4c9986SGeorge Wilson 'h', MDB_OPT_SETBITS, SPA_FLAG_HISTOGRAMS, &spa_flags, 1969fa9e4066Sahrens NULL) != argc) 1970fa9e4066Sahrens return (DCMD_USAGE); 1971fa9e4066Sahrens 1972fa9e4066Sahrens if (!(flags & DCMD_ADDRSPEC)) 1973fa9e4066Sahrens return (DCMD_USAGE); 1974fa9e4066Sahrens 197522ce0148SMatthew Ahrens mdb_spa_vdevs_t spa; 197622ce0148SMatthew Ahrens if (mdb_ctf_vread(&spa, "spa_t", "mdb_spa_vdevs_t", addr, 0) == -1) 1977fa9e4066Sahrens return (DCMD_ERR); 1978fa9e4066Sahrens 1979088e9d47Seschrock /* 1980088e9d47Seschrock * Unitialized spa_t structures can have a NULL root vdev. 1981088e9d47Seschrock */ 1982088e9d47Seschrock if (spa.spa_root_vdev == NULL) { 1983088e9d47Seschrock mdb_printf("no associated vdevs\n"); 1984088e9d47Seschrock return (DCMD_OK); 1985088e9d47Seschrock } 1986088e9d47Seschrock 19872e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_ERRORS) 19882e4c9986SGeorge Wilson strcat(opts, "e"); 19892e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_METASLABS) 19902e4c9986SGeorge Wilson strcat(opts, "m"); 19912e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_METASLAB_GROUPS) 19922e4c9986SGeorge Wilson strcat(opts, "M"); 19932e4c9986SGeorge Wilson if (spa_flags & SPA_FLAG_HISTOGRAMS) 19942e4c9986SGeorge Wilson strcat(opts, "h"); 19952e4c9986SGeorge Wilson 1996c5904d13Seschrock v[0].a_type = MDB_TYPE_STRING; 19972e4c9986SGeorge Wilson v[0].a_un.a_str = opts; 1998fa9e4066Sahrens 1999c5904d13Seschrock ret = mdb_call_dcmd("vdev", (uintptr_t)spa.spa_root_vdev, 2000c5904d13Seschrock flags, 1, v); 2001c5904d13Seschrock if (ret != DCMD_OK) 2002c5904d13Seschrock return (ret); 2003c5904d13Seschrock 2004ec9f632eSEric Schrock if (spa_print_aux(&spa.spa_l2cache, flags, v, "cache") != 0 || 2005ec9f632eSEric Schrock spa_print_aux(&spa.spa_spares, flags, v, "spares") != 0) 2006ec9f632eSEric Schrock return (DCMD_ERR); 2007c5904d13Seschrock 2008c5904d13Seschrock return (DCMD_OK); 2009fa9e4066Sahrens } 2010fa9e4066Sahrens 2011ccae0b50Seschrock /* 2012ccae0b50Seschrock * ::zio 2013ccae0b50Seschrock * 2014ccae0b50Seschrock * Print a summary of zio_t and all its children. This is intended to display a 2015ccae0b50Seschrock * zio tree, and hence we only pick the most important pieces of information for 2016ccae0b50Seschrock * the main summary. More detailed information can always be found by doing a 2017ccae0b50Seschrock * '::print zio' on the underlying zio_t. The columns we display are: 2018ccae0b50Seschrock * 2019c55e05cbSMatthew Ahrens * ADDRESS TYPE STAGE WAITER TIME_ELAPSED 2020ccae0b50Seschrock * 2021ccae0b50Seschrock * The 'address' column is indented by one space for each depth level as we 2022ccae0b50Seschrock * descend down the tree. 2023ccae0b50Seschrock */ 2024fac3008cSeschrock 2025c55e05cbSMatthew Ahrens #define ZIO_MAXINDENT 7 2026a3f829aeSBill Moore #define ZIO_MAXWIDTH (sizeof (uintptr_t) * 2 + ZIO_MAXINDENT) 2027a3f829aeSBill Moore #define ZIO_WALK_SELF 0 2028a3f829aeSBill Moore #define ZIO_WALK_CHILD 1 2029a3f829aeSBill Moore #define ZIO_WALK_PARENT 2 2030a3f829aeSBill Moore 2031a3f829aeSBill Moore typedef struct zio_print_args { 2032a3f829aeSBill Moore int zpa_current_depth; 2033a3f829aeSBill Moore int zpa_min_depth; 2034a3f829aeSBill Moore int zpa_max_depth; 2035a3f829aeSBill Moore int zpa_type; 2036a3f829aeSBill Moore uint_t zpa_flags; 2037a3f829aeSBill Moore } zio_print_args_t; 2038a3f829aeSBill Moore 203928e4da25SMatthew Ahrens typedef struct mdb_zio { 204028e4da25SMatthew Ahrens enum zio_type io_type; 204128e4da25SMatthew Ahrens enum zio_stage io_stage; 2042d5ee8a13SMatthew Ahrens uintptr_t io_waiter; 2043d5ee8a13SMatthew Ahrens uintptr_t io_spa; 204428e4da25SMatthew Ahrens struct { 204528e4da25SMatthew Ahrens struct { 2046d5ee8a13SMatthew Ahrens uintptr_t list_next; 204728e4da25SMatthew Ahrens } list_head; 204828e4da25SMatthew Ahrens } io_parent_list; 204928e4da25SMatthew Ahrens int io_error; 205028e4da25SMatthew Ahrens } mdb_zio_t; 205128e4da25SMatthew Ahrens 2052c55e05cbSMatthew Ahrens typedef struct mdb_zio_timestamp { 2053c55e05cbSMatthew Ahrens hrtime_t io_timestamp; 2054c55e05cbSMatthew Ahrens } mdb_zio_timestamp_t; 2055c55e05cbSMatthew Ahrens 2056a3f829aeSBill Moore static int zio_child_cb(uintptr_t addr, const void *unknown, void *arg); 2057fac3008cSeschrock 2058ccae0b50Seschrock static int 2059c55e05cbSMatthew Ahrens zio_print_cb(uintptr_t addr, zio_print_args_t *zpa) 2060ccae0b50Seschrock { 2061ccae0b50Seschrock mdb_ctf_id_t type_enum, stage_enum; 2062a3f829aeSBill Moore int indent = zpa->zpa_current_depth; 2063ccae0b50Seschrock const char *type, *stage; 2064a3f829aeSBill Moore uintptr_t laddr; 2065c55e05cbSMatthew Ahrens mdb_zio_t zio; 2066c55e05cbSMatthew Ahrens mdb_zio_timestamp_t zio_timestamp = { 0 }; 2067c55e05cbSMatthew Ahrens 2068c55e05cbSMatthew Ahrens if (mdb_ctf_vread(&zio, ZFS_STRUCT "zio", "mdb_zio_t", addr, 0) == -1) 2069c55e05cbSMatthew Ahrens return (WALK_ERR); 2070c55e05cbSMatthew Ahrens (void) mdb_ctf_vread(&zio_timestamp, ZFS_STRUCT "zio", 2071c55e05cbSMatthew Ahrens "mdb_zio_timestamp_t", addr, MDB_CTF_VREAD_QUIET); 2072ccae0b50Seschrock 2073a3f829aeSBill Moore if (indent > ZIO_MAXINDENT) 2074a3f829aeSBill Moore indent = ZIO_MAXINDENT; 2075ccae0b50Seschrock 2076ccae0b50Seschrock if (mdb_ctf_lookup_by_name("enum zio_type", &type_enum) == -1 || 2077ccae0b50Seschrock mdb_ctf_lookup_by_name("enum zio_stage", &stage_enum) == -1) { 2078ccae0b50Seschrock mdb_warn("failed to lookup zio enums"); 2079ccae0b50Seschrock return (WALK_ERR); 2080ccae0b50Seschrock } 2081ccae0b50Seschrock 2082c55e05cbSMatthew Ahrens if ((type = mdb_ctf_enum_name(type_enum, zio.io_type)) != NULL) 2083ccae0b50Seschrock type += sizeof ("ZIO_TYPE_") - 1; 2084ccae0b50Seschrock else 2085ccae0b50Seschrock type = "?"; 2086ccae0b50Seschrock 2087c55e05cbSMatthew Ahrens if (zio.io_error == 0) { 2088c55e05cbSMatthew Ahrens stage = mdb_ctf_enum_name(stage_enum, zio.io_stage); 208928e4da25SMatthew Ahrens if (stage != NULL) 209028e4da25SMatthew Ahrens stage += sizeof ("ZIO_STAGE_") - 1; 209128e4da25SMatthew Ahrens else 209228e4da25SMatthew Ahrens stage = "?"; 209328e4da25SMatthew Ahrens } else { 209428e4da25SMatthew Ahrens stage = "FAILED"; 209528e4da25SMatthew Ahrens } 2096ccae0b50Seschrock 2097a3f829aeSBill Moore if (zpa->zpa_current_depth >= zpa->zpa_min_depth) { 2098a3f829aeSBill Moore if (zpa->zpa_flags & DCMD_PIPE_OUT) { 2099a3f829aeSBill Moore mdb_printf("%?p\n", addr); 2100a3f829aeSBill Moore } else { 2101a3f829aeSBill Moore mdb_printf("%*s%-*p %-5s %-16s ", indent, "", 2102a3f829aeSBill Moore ZIO_MAXWIDTH - indent, addr, type, stage); 2103d5ee8a13SMatthew Ahrens if (zio.io_waiter != 0) 2104d5ee8a13SMatthew Ahrens mdb_printf("%-16lx ", zio.io_waiter); 2105a3f829aeSBill Moore else 2106c55e05cbSMatthew Ahrens mdb_printf("%-16s ", "-"); 2107c55e05cbSMatthew Ahrens #ifdef _KERNEL 2108c55e05cbSMatthew Ahrens if (zio_timestamp.io_timestamp != 0) { 2109c55e05cbSMatthew Ahrens mdb_printf("%llums", (mdb_gethrtime() - 2110c55e05cbSMatthew Ahrens zio_timestamp.io_timestamp) / 2111c55e05cbSMatthew Ahrens 1000000); 2112c55e05cbSMatthew Ahrens } else { 2113c55e05cbSMatthew Ahrens mdb_printf("%-12s ", "-"); 2114c55e05cbSMatthew Ahrens } 2115c55e05cbSMatthew Ahrens #else 2116c55e05cbSMatthew Ahrens mdb_printf("%-12s ", "-"); 2117c55e05cbSMatthew Ahrens #endif 2118c55e05cbSMatthew Ahrens mdb_printf("\n"); 2119a3f829aeSBill Moore } 2120a3f829aeSBill Moore } 2121a3f829aeSBill Moore 2122a3f829aeSBill Moore if (zpa->zpa_current_depth >= zpa->zpa_max_depth) 2123a3f829aeSBill Moore return (WALK_NEXT); 2124ccae0b50Seschrock 2125a3f829aeSBill Moore if (zpa->zpa_type == ZIO_WALK_PARENT) 212628e4da25SMatthew Ahrens laddr = addr + mdb_ctf_offsetof_by_name(ZFS_STRUCT "zio", 212728e4da25SMatthew Ahrens "io_parent_list"); 2128ccae0b50Seschrock else 212928e4da25SMatthew Ahrens laddr = addr + mdb_ctf_offsetof_by_name(ZFS_STRUCT "zio", 213028e4da25SMatthew Ahrens "io_child_list"); 2131ccae0b50Seschrock 2132a3f829aeSBill Moore zpa->zpa_current_depth++; 2133a3f829aeSBill Moore if (mdb_pwalk("list", zio_child_cb, zpa, laddr) != 0) { 2134a3f829aeSBill Moore mdb_warn("failed to walk zio_t children at %p\n", laddr); 2135ccae0b50Seschrock return (WALK_ERR); 2136ccae0b50Seschrock } 2137a3f829aeSBill Moore zpa->zpa_current_depth--; 2138ccae0b50Seschrock 2139ccae0b50Seschrock return (WALK_NEXT); 2140ccae0b50Seschrock } 2141ccae0b50Seschrock 2142a3f829aeSBill Moore /* ARGSUSED */ 2143ccae0b50Seschrock static int 2144a3f829aeSBill Moore zio_child_cb(uintptr_t addr, const void *unknown, void *arg) 2145ccae0b50Seschrock { 2146a3f829aeSBill Moore zio_link_t zl; 2147a3f829aeSBill Moore uintptr_t ziop; 2148a3f829aeSBill Moore zio_print_args_t *zpa = arg; 2149a3f829aeSBill Moore 2150a3f829aeSBill Moore if (mdb_vread(&zl, sizeof (zl), addr) == -1) { 2151a3f829aeSBill Moore mdb_warn("failed to read zio_link_t at %p", addr); 2152a3f829aeSBill Moore return (WALK_ERR); 2153a3f829aeSBill Moore } 2154a3f829aeSBill Moore 2155a3f829aeSBill Moore if (zpa->zpa_type == ZIO_WALK_PARENT) 2156a3f829aeSBill Moore ziop = (uintptr_t)zl.zl_parent; 2157a3f829aeSBill Moore else 2158a3f829aeSBill Moore ziop = (uintptr_t)zl.zl_child; 2159a3f829aeSBill Moore 216069962b56SMatthew Ahrens return (zio_print_cb(ziop, zpa)); 2161a3f829aeSBill Moore } 2162a3f829aeSBill Moore 2163a3f829aeSBill Moore /* ARGSUSED */ 2164a3f829aeSBill Moore static int 2165a3f829aeSBill Moore zio_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 2166a3f829aeSBill Moore { 2167a3f829aeSBill Moore zio_print_args_t zpa = { 0 }; 2168ccae0b50Seschrock 2169ccae0b50Seschrock if (!(flags & DCMD_ADDRSPEC)) 2170ccae0b50Seschrock return (DCMD_USAGE); 2171ccae0b50Seschrock 2172a3f829aeSBill Moore if (mdb_getopts(argc, argv, 2173a3f829aeSBill Moore 'r', MDB_OPT_SETBITS, INT_MAX, &zpa.zpa_max_depth, 2174a3f829aeSBill Moore 'c', MDB_OPT_SETBITS, ZIO_WALK_CHILD, &zpa.zpa_type, 2175a3f829aeSBill Moore 'p', MDB_OPT_SETBITS, ZIO_WALK_PARENT, &zpa.zpa_type, 2176a3f829aeSBill Moore NULL) != argc) 2177a3f829aeSBill Moore return (DCMD_USAGE); 2178a3f829aeSBill Moore 2179a3f829aeSBill Moore zpa.zpa_flags = flags; 2180a3f829aeSBill Moore if (zpa.zpa_max_depth != 0) { 2181a3f829aeSBill Moore if (zpa.zpa_type == ZIO_WALK_SELF) 2182a3f829aeSBill Moore zpa.zpa_type = ZIO_WALK_CHILD; 2183a3f829aeSBill Moore } else if (zpa.zpa_type != ZIO_WALK_SELF) { 2184a3f829aeSBill Moore zpa.zpa_min_depth = 1; 2185a3f829aeSBill Moore zpa.zpa_max_depth = 1; 2186a3f829aeSBill Moore } 2187a3f829aeSBill Moore 2188c55e05cbSMatthew Ahrens if (!(flags & DCMD_PIPE_OUT) && DCMD_HDRSPEC(flags)) { 2189c55e05cbSMatthew Ahrens mdb_printf("%<u>%-*s %-5s %-16s %-16s %-12s%</u>\n", 2190c55e05cbSMatthew Ahrens ZIO_MAXWIDTH, "ADDRESS", "TYPE", "STAGE", "WAITER", 2191c55e05cbSMatthew Ahrens "TIME_ELAPSED"); 2192c55e05cbSMatthew Ahrens } 2193fac3008cSeschrock 2194c55e05cbSMatthew Ahrens if (zio_print_cb(addr, &zpa) != WALK_NEXT) 2195ccae0b50Seschrock return (DCMD_ERR); 2196ccae0b50Seschrock 2197ccae0b50Seschrock return (DCMD_OK); 2198ccae0b50Seschrock } 2199ccae0b50Seschrock 2200ccae0b50Seschrock /* 2201ccae0b50Seschrock * [addr]::zio_state 2202ccae0b50Seschrock * 2203ccae0b50Seschrock * Print a summary of all zio_t structures on the system, or for a particular 2204ccae0b50Seschrock * pool. This is equivalent to '::walk zio_root | ::zio'. 2205ccae0b50Seschrock */ 2206ccae0b50Seschrock /*ARGSUSED*/ 2207ccae0b50Seschrock static int 2208ccae0b50Seschrock zio_state(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 2209ccae0b50Seschrock { 2210ccae0b50Seschrock /* 2211ccae0b50Seschrock * MDB will remember the last address of the pipeline, so if we don't 2212ccae0b50Seschrock * zero this we'll end up trying to walk zio structures for a 2213ccae0b50Seschrock * non-existent spa_t. 2214ccae0b50Seschrock */ 2215ccae0b50Seschrock if (!(flags & DCMD_ADDRSPEC)) 2216ccae0b50Seschrock addr = 0; 2217ccae0b50Seschrock 2218ccae0b50Seschrock return (mdb_pwalk_dcmd("zio_root", "zio", argc, argv, addr)); 2219ccae0b50Seschrock } 2220ccae0b50Seschrock 2221dcbf3bd6SGeorge Wilson typedef struct mdb_multilist { 2222dcbf3bd6SGeorge Wilson uint64_t ml_num_sublists; 2223dcbf3bd6SGeorge Wilson uintptr_t ml_sublists; 2224dcbf3bd6SGeorge Wilson } mdb_multilist_t; 2225dcbf3bd6SGeorge Wilson 2226dcbf3bd6SGeorge Wilson typedef struct multilist_walk_data { 2227dcbf3bd6SGeorge Wilson uint64_t mwd_idx; 2228dcbf3bd6SGeorge Wilson mdb_multilist_t mwd_ml; 2229dcbf3bd6SGeorge Wilson } multilist_walk_data_t; 2230dcbf3bd6SGeorge Wilson 2231dcbf3bd6SGeorge Wilson /* ARGSUSED */ 2232dcbf3bd6SGeorge Wilson static int 2233dcbf3bd6SGeorge Wilson multilist_print_cb(uintptr_t addr, const void *unknown, void *arg) 2234dcbf3bd6SGeorge Wilson { 2235dcbf3bd6SGeorge Wilson mdb_printf("%#lr\n", addr); 2236dcbf3bd6SGeorge Wilson return (WALK_NEXT); 2237dcbf3bd6SGeorge Wilson } 2238dcbf3bd6SGeorge Wilson 2239dcbf3bd6SGeorge Wilson static int 2240dcbf3bd6SGeorge Wilson multilist_walk_step(mdb_walk_state_t *wsp) 2241dcbf3bd6SGeorge Wilson { 2242dcbf3bd6SGeorge Wilson multilist_walk_data_t *mwd = wsp->walk_data; 2243dcbf3bd6SGeorge Wilson 2244dcbf3bd6SGeorge Wilson if (mwd->mwd_idx >= mwd->mwd_ml.ml_num_sublists) 2245dcbf3bd6SGeorge Wilson return (WALK_DONE); 2246dcbf3bd6SGeorge Wilson 2247dcbf3bd6SGeorge Wilson wsp->walk_addr = mwd->mwd_ml.ml_sublists + 2248dcbf3bd6SGeorge Wilson mdb_ctf_sizeof_by_name("multilist_sublist_t") * mwd->mwd_idx + 2249dcbf3bd6SGeorge Wilson mdb_ctf_offsetof_by_name("multilist_sublist_t", "mls_list"); 2250dcbf3bd6SGeorge Wilson 2251dcbf3bd6SGeorge Wilson mdb_pwalk("list", multilist_print_cb, (void*)NULL, wsp->walk_addr); 2252dcbf3bd6SGeorge Wilson mwd->mwd_idx++; 2253dcbf3bd6SGeorge Wilson 2254dcbf3bd6SGeorge Wilson return (WALK_NEXT); 2255dcbf3bd6SGeorge Wilson } 2256dcbf3bd6SGeorge Wilson 2257dcbf3bd6SGeorge Wilson static int 2258dcbf3bd6SGeorge Wilson multilist_walk_init(mdb_walk_state_t *wsp) 2259dcbf3bd6SGeorge Wilson { 2260dcbf3bd6SGeorge Wilson multilist_walk_data_t *mwd; 2261dcbf3bd6SGeorge Wilson 2262dcbf3bd6SGeorge Wilson if (wsp->walk_addr == NULL) { 2263dcbf3bd6SGeorge Wilson mdb_warn("must supply address of multilist_t\n"); 2264dcbf3bd6SGeorge Wilson return (WALK_ERR); 2265dcbf3bd6SGeorge Wilson } 2266dcbf3bd6SGeorge Wilson 2267dcbf3bd6SGeorge Wilson mwd = mdb_zalloc(sizeof (multilist_walk_data_t), UM_SLEEP | UM_GC); 2268dcbf3bd6SGeorge Wilson if (mdb_ctf_vread(&mwd->mwd_ml, "multilist_t", "mdb_multilist_t", 2269dcbf3bd6SGeorge Wilson wsp->walk_addr, 0) == -1) { 2270dcbf3bd6SGeorge Wilson return (WALK_ERR); 2271dcbf3bd6SGeorge Wilson } 2272dcbf3bd6SGeorge Wilson 2273dcbf3bd6SGeorge Wilson if (mwd->mwd_ml.ml_num_sublists == 0 || 2274dcbf3bd6SGeorge Wilson mwd->mwd_ml.ml_sublists == NULL) { 2275dcbf3bd6SGeorge Wilson mdb_warn("invalid or uninitialized multilist at %#lx\n", 2276dcbf3bd6SGeorge Wilson wsp->walk_addr); 2277dcbf3bd6SGeorge Wilson return (WALK_ERR); 2278dcbf3bd6SGeorge Wilson } 2279dcbf3bd6SGeorge Wilson 2280dcbf3bd6SGeorge Wilson wsp->walk_data = mwd; 2281dcbf3bd6SGeorge Wilson return (WALK_NEXT); 2282dcbf3bd6SGeorge Wilson } 2283dcbf3bd6SGeorge Wilson 2284fa9e4066Sahrens typedef struct txg_list_walk_data { 2285fa9e4066Sahrens uintptr_t lw_head[TXG_SIZE]; 2286fa9e4066Sahrens int lw_txgoff; 2287fa9e4066Sahrens int lw_maxoff; 2288fa9e4066Sahrens size_t lw_offset; 2289fa9e4066Sahrens void *lw_obj; 2290fa9e4066Sahrens } txg_list_walk_data_t; 2291fa9e4066Sahrens 2292fa9e4066Sahrens static int 2293fa9e4066Sahrens txg_list_walk_init_common(mdb_walk_state_t *wsp, int txg, int maxoff) 2294fa9e4066Sahrens { 2295fa9e4066Sahrens txg_list_walk_data_t *lwd; 2296fa9e4066Sahrens txg_list_t list; 2297fa9e4066Sahrens int i; 2298fa9e4066Sahrens 2299fa9e4066Sahrens lwd = mdb_alloc(sizeof (txg_list_walk_data_t), UM_SLEEP | UM_GC); 2300fa9e4066Sahrens if (mdb_vread(&list, sizeof (txg_list_t), wsp->walk_addr) == -1) { 2301fa9e4066Sahrens mdb_warn("failed to read txg_list_t at %#lx", wsp->walk_addr); 2302fa9e4066Sahrens return (WALK_ERR); 2303fa9e4066Sahrens } 2304fa9e4066Sahrens 2305fa9e4066Sahrens for (i = 0; i < TXG_SIZE; i++) 2306fa9e4066Sahrens lwd->lw_head[i] = (uintptr_t)list.tl_head[i]; 2307fa9e4066Sahrens lwd->lw_offset = list.tl_offset; 2308fa9e4066Sahrens lwd->lw_obj = mdb_alloc(lwd->lw_offset + sizeof (txg_node_t), 2309fa9e4066Sahrens UM_SLEEP | UM_GC); 2310fa9e4066Sahrens lwd->lw_txgoff = txg; 2311fa9e4066Sahrens lwd->lw_maxoff = maxoff; 2312fa9e4066Sahrens 2313fa9e4066Sahrens wsp->walk_addr = lwd->lw_head[lwd->lw_txgoff]; 2314fa9e4066Sahrens wsp->walk_data = lwd; 2315fa9e4066Sahrens 2316fa9e4066Sahrens return (WALK_NEXT); 2317fa9e4066Sahrens } 2318fa9e4066Sahrens 2319fa9e4066Sahrens static int 2320fa9e4066Sahrens txg_list_walk_init(mdb_walk_state_t *wsp) 2321fa9e4066Sahrens { 2322fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 0, TXG_SIZE-1)); 2323fa9e4066Sahrens } 2324fa9e4066Sahrens 2325fa9e4066Sahrens static int 2326fa9e4066Sahrens txg_list0_walk_init(mdb_walk_state_t *wsp) 2327fa9e4066Sahrens { 2328fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 0, 0)); 2329fa9e4066Sahrens } 2330fa9e4066Sahrens 2331fa9e4066Sahrens static int 2332fa9e4066Sahrens txg_list1_walk_init(mdb_walk_state_t *wsp) 2333fa9e4066Sahrens { 2334fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 1, 1)); 2335fa9e4066Sahrens } 2336fa9e4066Sahrens 2337fa9e4066Sahrens static int 2338fa9e4066Sahrens txg_list2_walk_init(mdb_walk_state_t *wsp) 2339fa9e4066Sahrens { 2340fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 2, 2)); 2341fa9e4066Sahrens } 2342fa9e4066Sahrens 2343fa9e4066Sahrens static int 2344fa9e4066Sahrens txg_list3_walk_init(mdb_walk_state_t *wsp) 2345fa9e4066Sahrens { 2346fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 3, 3)); 2347fa9e4066Sahrens } 2348fa9e4066Sahrens 2349fa9e4066Sahrens static int 2350fa9e4066Sahrens txg_list_walk_step(mdb_walk_state_t *wsp) 2351fa9e4066Sahrens { 2352fa9e4066Sahrens txg_list_walk_data_t *lwd = wsp->walk_data; 2353fa9e4066Sahrens uintptr_t addr; 2354fa9e4066Sahrens txg_node_t *node; 2355fa9e4066Sahrens int status; 2356fa9e4066Sahrens 2357fa9e4066Sahrens while (wsp->walk_addr == NULL && lwd->lw_txgoff < lwd->lw_maxoff) { 2358fa9e4066Sahrens lwd->lw_txgoff++; 2359fa9e4066Sahrens wsp->walk_addr = lwd->lw_head[lwd->lw_txgoff]; 2360fa9e4066Sahrens } 2361fa9e4066Sahrens 2362fa9e4066Sahrens if (wsp->walk_addr == NULL) 2363fa9e4066Sahrens return (WALK_DONE); 2364fa9e4066Sahrens 2365fa9e4066Sahrens addr = wsp->walk_addr - lwd->lw_offset; 2366fa9e4066Sahrens 2367fa9e4066Sahrens if (mdb_vread(lwd->lw_obj, 2368fa9e4066Sahrens lwd->lw_offset + sizeof (txg_node_t), addr) == -1) { 2369fa9e4066Sahrens mdb_warn("failed to read list element at %#lx", addr); 2370fa9e4066Sahrens return (WALK_ERR); 2371fa9e4066Sahrens } 2372fa9e4066Sahrens 2373fa9e4066Sahrens status = wsp->walk_callback(addr, lwd->lw_obj, wsp->walk_cbdata); 2374fa9e4066Sahrens node = (txg_node_t *)((uintptr_t)lwd->lw_obj + lwd->lw_offset); 2375fa9e4066Sahrens wsp->walk_addr = (uintptr_t)node->tn_next[lwd->lw_txgoff]; 2376fa9e4066Sahrens 2377fa9e4066Sahrens return (status); 2378fa9e4066Sahrens } 2379fa9e4066Sahrens 2380fa9e4066Sahrens /* 2381fa9e4066Sahrens * ::walk spa 2382fa9e4066Sahrens * 2383fa9e4066Sahrens * Walk all named spa_t structures in the namespace. This is nothing more than 2384fa9e4066Sahrens * a layered avl walk. 2385fa9e4066Sahrens */ 2386fa9e4066Sahrens static int 2387fa9e4066Sahrens spa_walk_init(mdb_walk_state_t *wsp) 2388fa9e4066Sahrens { 2389fa9e4066Sahrens GElf_Sym sym; 2390fa9e4066Sahrens 2391fa9e4066Sahrens if (wsp->walk_addr != NULL) { 2392fa9e4066Sahrens mdb_warn("spa walk only supports global walks\n"); 2393fa9e4066Sahrens return (WALK_ERR); 2394fa9e4066Sahrens } 2395fa9e4066Sahrens 2396fa9e4066Sahrens if (mdb_lookup_by_obj(ZFS_OBJ_NAME, "spa_namespace_avl", &sym) == -1) { 2397fa9e4066Sahrens mdb_warn("failed to find symbol 'spa_namespace_avl'"); 2398fa9e4066Sahrens return (WALK_ERR); 2399fa9e4066Sahrens } 2400fa9e4066Sahrens 2401fa9e4066Sahrens wsp->walk_addr = (uintptr_t)sym.st_value; 2402fa9e4066Sahrens 2403fa9e4066Sahrens if (mdb_layered_walk("avl", wsp) == -1) { 2404fa9e4066Sahrens mdb_warn("failed to walk 'avl'\n"); 2405fa9e4066Sahrens return (WALK_ERR); 2406fa9e4066Sahrens } 2407fa9e4066Sahrens 2408fa9e4066Sahrens return (WALK_NEXT); 2409fa9e4066Sahrens } 2410fa9e4066Sahrens 2411fa9e4066Sahrens static int 2412fa9e4066Sahrens spa_walk_step(mdb_walk_state_t *wsp) 2413fa9e4066Sahrens { 241422ce0148SMatthew Ahrens return (wsp->walk_callback(wsp->walk_addr, NULL, wsp->walk_cbdata)); 2415fa9e4066Sahrens } 2416fa9e4066Sahrens 2417ccae0b50Seschrock /* 2418ccae0b50Seschrock * [addr]::walk zio 2419ccae0b50Seschrock * 2420ccae0b50Seschrock * Walk all active zio_t structures on the system. This is simply a layered 2421ccae0b50Seschrock * walk on top of ::walk zio_cache, with the optional ability to limit the 2422ccae0b50Seschrock * structures to a particular pool. 2423ccae0b50Seschrock */ 2424ccae0b50Seschrock static int 2425ccae0b50Seschrock zio_walk_init(mdb_walk_state_t *wsp) 2426ccae0b50Seschrock { 2427dee140dfSMatthew Ahrens wsp->walk_data = (void *)wsp->walk_addr; 2428ccae0b50Seschrock 2429ccae0b50Seschrock if (mdb_layered_walk("zio_cache", wsp) == -1) { 2430ccae0b50Seschrock mdb_warn("failed to walk 'zio_cache'\n"); 2431ccae0b50Seschrock return (WALK_ERR); 2432ccae0b50Seschrock } 2433ccae0b50Seschrock 2434ccae0b50Seschrock return (WALK_NEXT); 2435ccae0b50Seschrock } 2436ccae0b50Seschrock 2437ccae0b50Seschrock static int 2438ccae0b50Seschrock zio_walk_step(mdb_walk_state_t *wsp) 2439ccae0b50Seschrock { 244028e4da25SMatthew Ahrens mdb_zio_t zio; 2441dee140dfSMatthew Ahrens uintptr_t spa = (uintptr_t)wsp->walk_data; 2442ccae0b50Seschrock 244328e4da25SMatthew Ahrens if (mdb_ctf_vread(&zio, ZFS_STRUCT "zio", "mdb_zio_t", 244428e4da25SMatthew Ahrens wsp->walk_addr, 0) == -1) 2445ccae0b50Seschrock return (WALK_ERR); 2446ccae0b50Seschrock 2447dee140dfSMatthew Ahrens if (spa != 0 && spa != zio.io_spa) 2448ccae0b50Seschrock return (WALK_NEXT); 2449ccae0b50Seschrock 2450ccae0b50Seschrock return (wsp->walk_callback(wsp->walk_addr, &zio, wsp->walk_cbdata)); 2451ccae0b50Seschrock } 2452ccae0b50Seschrock 2453ccae0b50Seschrock /* 2454ccae0b50Seschrock * [addr]::walk zio_root 2455ccae0b50Seschrock * 2456ccae0b50Seschrock * Walk only root zio_t structures, optionally for a particular spa_t. 2457ccae0b50Seschrock */ 2458ccae0b50Seschrock static int 2459ccae0b50Seschrock zio_walk_root_step(mdb_walk_state_t *wsp) 2460ccae0b50Seschrock { 246128e4da25SMatthew Ahrens mdb_zio_t zio; 2462dee140dfSMatthew Ahrens uintptr_t spa = (uintptr_t)wsp->walk_data; 2463ccae0b50Seschrock 246428e4da25SMatthew Ahrens if (mdb_ctf_vread(&zio, ZFS_STRUCT "zio", "mdb_zio_t", 246528e4da25SMatthew Ahrens wsp->walk_addr, 0) == -1) 2466ccae0b50Seschrock return (WALK_ERR); 2467ccae0b50Seschrock 2468dee140dfSMatthew Ahrens if (spa != 0 && spa != zio.io_spa) 2469ccae0b50Seschrock return (WALK_NEXT); 2470ccae0b50Seschrock 2471a3f829aeSBill Moore /* If the parent list is not empty, ignore */ 2472d5ee8a13SMatthew Ahrens if (zio.io_parent_list.list_head.list_next != 247328e4da25SMatthew Ahrens wsp->walk_addr + 247428e4da25SMatthew Ahrens mdb_ctf_offsetof_by_name(ZFS_STRUCT "zio", "io_parent_list") + 247528e4da25SMatthew Ahrens mdb_ctf_offsetof_by_name("struct list", "list_head")) 2476ccae0b50Seschrock return (WALK_NEXT); 2477ccae0b50Seschrock 2478ccae0b50Seschrock return (wsp->walk_callback(wsp->walk_addr, &zio, wsp->walk_cbdata)); 2479ccae0b50Seschrock } 2480ccae0b50Seschrock 248188b7b0f2SMatthew Ahrens /* 248288b7b0f2SMatthew Ahrens * ::zfs_blkstats 248388b7b0f2SMatthew Ahrens * 24842e4c9986SGeorge Wilson * -v print verbose per-level information 248588b7b0f2SMatthew Ahrens * 248688b7b0f2SMatthew Ahrens */ 248788b7b0f2SMatthew Ahrens static int 248888b7b0f2SMatthew Ahrens zfs_blkstats(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 248988b7b0f2SMatthew Ahrens { 249088b7b0f2SMatthew Ahrens boolean_t verbose = B_FALSE; 249188b7b0f2SMatthew Ahrens zfs_all_blkstats_t stats; 249288b7b0f2SMatthew Ahrens dmu_object_type_t t; 249388b7b0f2SMatthew Ahrens zfs_blkstat_t *tzb; 249488b7b0f2SMatthew Ahrens uint64_t ditto; 249588b7b0f2SMatthew Ahrens dmu_object_type_info_t dmu_ot[DMU_OT_NUMTYPES + 10]; 249688b7b0f2SMatthew Ahrens /* +10 in case it grew */ 249788b7b0f2SMatthew Ahrens 249888b7b0f2SMatthew Ahrens if (mdb_readvar(&dmu_ot, "dmu_ot") == -1) { 249988b7b0f2SMatthew Ahrens mdb_warn("failed to read 'dmu_ot'"); 250088b7b0f2SMatthew Ahrens return (DCMD_ERR); 250188b7b0f2SMatthew Ahrens } 250288b7b0f2SMatthew Ahrens 250388b7b0f2SMatthew Ahrens if (mdb_getopts(argc, argv, 250488b7b0f2SMatthew Ahrens 'v', MDB_OPT_SETBITS, TRUE, &verbose, 250588b7b0f2SMatthew Ahrens NULL) != argc) 250688b7b0f2SMatthew Ahrens return (DCMD_USAGE); 250788b7b0f2SMatthew Ahrens 250888b7b0f2SMatthew Ahrens if (!(flags & DCMD_ADDRSPEC)) 250988b7b0f2SMatthew Ahrens return (DCMD_USAGE); 251088b7b0f2SMatthew Ahrens 251128e4da25SMatthew Ahrens if (GETMEMB(addr, "spa", spa_dsl_pool, addr) || 251228e4da25SMatthew Ahrens GETMEMB(addr, "dsl_pool", dp_blkstats, addr) || 251388b7b0f2SMatthew Ahrens mdb_vread(&stats, sizeof (zfs_all_blkstats_t), addr) == -1) { 251488b7b0f2SMatthew Ahrens mdb_warn("failed to read data at %p;", addr); 251588b7b0f2SMatthew Ahrens mdb_printf("maybe no stats? run \"zpool scrub\" first."); 251688b7b0f2SMatthew Ahrens return (DCMD_ERR); 251788b7b0f2SMatthew Ahrens } 251888b7b0f2SMatthew Ahrens 2519ad135b5dSChristopher Siden tzb = &stats.zab_type[DN_MAX_LEVELS][DMU_OT_TOTAL]; 252088b7b0f2SMatthew Ahrens if (tzb->zb_gangs != 0) { 252188b7b0f2SMatthew Ahrens mdb_printf("Ganged blocks: %llu\n", 252288b7b0f2SMatthew Ahrens (longlong_t)tzb->zb_gangs); 252388b7b0f2SMatthew Ahrens } 252488b7b0f2SMatthew Ahrens 252588b7b0f2SMatthew Ahrens ditto = tzb->zb_ditto_2_of_2_samevdev + tzb->zb_ditto_2_of_3_samevdev + 252688b7b0f2SMatthew Ahrens tzb->zb_ditto_3_of_3_samevdev; 252788b7b0f2SMatthew Ahrens if (ditto != 0) { 252888b7b0f2SMatthew Ahrens mdb_printf("Dittoed blocks on same vdev: %llu\n", 252988b7b0f2SMatthew Ahrens (longlong_t)ditto); 253088b7b0f2SMatthew Ahrens } 253188b7b0f2SMatthew Ahrens 253288b7b0f2SMatthew Ahrens mdb_printf("\nBlocks\tLSIZE\tPSIZE\tASIZE" 253388b7b0f2SMatthew Ahrens "\t avg\t comp\t%%Total\tType\n"); 253488b7b0f2SMatthew Ahrens 2535ad135b5dSChristopher Siden for (t = 0; t <= DMU_OT_TOTAL; t++) { 253688b7b0f2SMatthew Ahrens char csize[NICENUM_BUFLEN], lsize[NICENUM_BUFLEN]; 253788b7b0f2SMatthew Ahrens char psize[NICENUM_BUFLEN], asize[NICENUM_BUFLEN]; 253888b7b0f2SMatthew Ahrens char avg[NICENUM_BUFLEN]; 253988b7b0f2SMatthew Ahrens char comp[NICENUM_BUFLEN], pct[NICENUM_BUFLEN]; 254088b7b0f2SMatthew Ahrens char typename[64]; 254188b7b0f2SMatthew Ahrens int l; 254288b7b0f2SMatthew Ahrens 254388b7b0f2SMatthew Ahrens 254488b7b0f2SMatthew Ahrens if (t == DMU_OT_DEFERRED) 254588b7b0f2SMatthew Ahrens strcpy(typename, "deferred free"); 2546ad135b5dSChristopher Siden else if (t == DMU_OT_OTHER) 2547ad135b5dSChristopher Siden strcpy(typename, "other"); 254888b7b0f2SMatthew Ahrens else if (t == DMU_OT_TOTAL) 254988b7b0f2SMatthew Ahrens strcpy(typename, "Total"); 255088b7b0f2SMatthew Ahrens else if (mdb_readstr(typename, sizeof (typename), 255188b7b0f2SMatthew Ahrens (uintptr_t)dmu_ot[t].ot_name) == -1) { 255288b7b0f2SMatthew Ahrens mdb_warn("failed to read type name"); 255388b7b0f2SMatthew Ahrens return (DCMD_ERR); 255488b7b0f2SMatthew Ahrens } 255588b7b0f2SMatthew Ahrens 255688b7b0f2SMatthew Ahrens if (stats.zab_type[DN_MAX_LEVELS][t].zb_asize == 0) 255788b7b0f2SMatthew Ahrens continue; 255888b7b0f2SMatthew Ahrens 255988b7b0f2SMatthew Ahrens for (l = -1; l < DN_MAX_LEVELS; l++) { 256088b7b0f2SMatthew Ahrens int level = (l == -1 ? DN_MAX_LEVELS : l); 256188b7b0f2SMatthew Ahrens zfs_blkstat_t *zb = &stats.zab_type[level][t]; 256288b7b0f2SMatthew Ahrens 256388b7b0f2SMatthew Ahrens if (zb->zb_asize == 0) 256488b7b0f2SMatthew Ahrens continue; 256588b7b0f2SMatthew Ahrens 256688b7b0f2SMatthew Ahrens /* 256788b7b0f2SMatthew Ahrens * Don't print each level unless requested. 256888b7b0f2SMatthew Ahrens */ 256988b7b0f2SMatthew Ahrens if (!verbose && level != DN_MAX_LEVELS) 257088b7b0f2SMatthew Ahrens continue; 257188b7b0f2SMatthew Ahrens 257288b7b0f2SMatthew Ahrens /* 257388b7b0f2SMatthew Ahrens * If all the space is level 0, don't print the 257488b7b0f2SMatthew Ahrens * level 0 separately. 257588b7b0f2SMatthew Ahrens */ 257688b7b0f2SMatthew Ahrens if (level == 0 && zb->zb_asize == 257788b7b0f2SMatthew Ahrens stats.zab_type[DN_MAX_LEVELS][t].zb_asize) 257888b7b0f2SMatthew Ahrens continue; 257988b7b0f2SMatthew Ahrens 258088b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_count, csize); 258188b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_lsize, lsize); 258288b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_psize, psize); 258388b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_asize, asize); 258488b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_asize / zb->zb_count, avg); 2585ff64c0f7SMatthew Ahrens (void) snprintfrac(comp, NICENUM_BUFLEN, 2586ff64c0f7SMatthew Ahrens zb->zb_lsize, zb->zb_psize, 2); 2587ff64c0f7SMatthew Ahrens (void) snprintfrac(pct, NICENUM_BUFLEN, 2588ff64c0f7SMatthew Ahrens 100 * zb->zb_asize, tzb->zb_asize, 2); 258988b7b0f2SMatthew Ahrens 259088b7b0f2SMatthew Ahrens mdb_printf("%6s\t%5s\t%5s\t%5s\t%5s" 259188b7b0f2SMatthew Ahrens "\t%5s\t%6s\t", 259288b7b0f2SMatthew Ahrens csize, lsize, psize, asize, avg, comp, pct); 259388b7b0f2SMatthew Ahrens 259488b7b0f2SMatthew Ahrens if (level == DN_MAX_LEVELS) 259588b7b0f2SMatthew Ahrens mdb_printf("%s\n", typename); 259688b7b0f2SMatthew Ahrens else 259788b7b0f2SMatthew Ahrens mdb_printf(" L%d %s\n", 259888b7b0f2SMatthew Ahrens level, typename); 259988b7b0f2SMatthew Ahrens } 260088b7b0f2SMatthew Ahrens } 260188b7b0f2SMatthew Ahrens 260288b7b0f2SMatthew Ahrens return (DCMD_OK); 260388b7b0f2SMatthew Ahrens } 260488b7b0f2SMatthew Ahrens 2605d5ee8a13SMatthew Ahrens typedef struct mdb_reference { 2606d5ee8a13SMatthew Ahrens uintptr_t ref_holder; 2607d5ee8a13SMatthew Ahrens uintptr_t ref_removed; 2608d5ee8a13SMatthew Ahrens uint64_t ref_number; 2609d5ee8a13SMatthew Ahrens } mdb_reference_t; 2610d5ee8a13SMatthew Ahrens 26119966ca11SMatthew Ahrens /* ARGSUSED */ 26129966ca11SMatthew Ahrens static int 26139966ca11SMatthew Ahrens reference_cb(uintptr_t addr, const void *ignored, void *arg) 26149966ca11SMatthew Ahrens { 2615d5ee8a13SMatthew Ahrens mdb_reference_t ref; 26163f9d6ad7SLin Ling boolean_t holder_is_str = B_FALSE; 26179966ca11SMatthew Ahrens char holder_str[128]; 26189966ca11SMatthew Ahrens boolean_t removed = (boolean_t)arg; 26199966ca11SMatthew Ahrens 2620d5ee8a13SMatthew Ahrens if (mdb_ctf_vread(&ref, "reference_t", "mdb_reference_t", addr, 2621d5ee8a13SMatthew Ahrens 0) == -1) 2622d5ee8a13SMatthew Ahrens return (DCMD_ERR); 26239966ca11SMatthew Ahrens 2624d5ee8a13SMatthew Ahrens if (mdb_readstr(holder_str, sizeof (holder_str), 2625d5ee8a13SMatthew Ahrens ref.ref_holder) != -1) 26263f9d6ad7SLin Ling holder_is_str = strisprint(holder_str); 26279966ca11SMatthew Ahrens 26289966ca11SMatthew Ahrens if (removed) 26299966ca11SMatthew Ahrens mdb_printf("removed "); 26309966ca11SMatthew Ahrens mdb_printf("reference "); 2631d5ee8a13SMatthew Ahrens if (ref.ref_number != 1) 2632d5ee8a13SMatthew Ahrens mdb_printf("with count=%llu ", ref.ref_number); 2633d5ee8a13SMatthew Ahrens mdb_printf("with tag %lx", ref.ref_holder); 26349966ca11SMatthew Ahrens if (holder_is_str) 26359966ca11SMatthew Ahrens mdb_printf(" \"%s\"", holder_str); 26369966ca11SMatthew Ahrens mdb_printf(", held at:\n"); 26379966ca11SMatthew Ahrens 26389966ca11SMatthew Ahrens (void) mdb_call_dcmd("whatis", addr, DCMD_ADDRSPEC, 0, NULL); 26399966ca11SMatthew Ahrens 26409966ca11SMatthew Ahrens if (removed) { 26419966ca11SMatthew Ahrens mdb_printf("removed at:\n"); 2642d5ee8a13SMatthew Ahrens (void) mdb_call_dcmd("whatis", ref.ref_removed, 26439966ca11SMatthew Ahrens DCMD_ADDRSPEC, 0, NULL); 26449966ca11SMatthew Ahrens } 26459966ca11SMatthew Ahrens 26469966ca11SMatthew Ahrens mdb_printf("\n"); 26479966ca11SMatthew Ahrens 26489966ca11SMatthew Ahrens return (WALK_NEXT); 26499966ca11SMatthew Ahrens } 26509966ca11SMatthew Ahrens 2651d5ee8a13SMatthew Ahrens typedef struct mdb_refcount { 2652d5ee8a13SMatthew Ahrens uint64_t rc_count; 2653d5ee8a13SMatthew Ahrens } mdb_refcount_t; 2654d5ee8a13SMatthew Ahrens 2655d5ee8a13SMatthew Ahrens typedef struct mdb_refcount_removed { 2656d5ee8a13SMatthew Ahrens uint64_t rc_removed_count; 2657d5ee8a13SMatthew Ahrens } mdb_refcount_removed_t; 2658d5ee8a13SMatthew Ahrens 2659d5ee8a13SMatthew Ahrens typedef struct mdb_refcount_tracked { 2660d5ee8a13SMatthew Ahrens boolean_t rc_tracked; 2661d5ee8a13SMatthew Ahrens } mdb_refcount_tracked_t; 2662d5ee8a13SMatthew Ahrens 26639966ca11SMatthew Ahrens /* ARGSUSED */ 26649966ca11SMatthew Ahrens static int 26659966ca11SMatthew Ahrens refcount(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 26669966ca11SMatthew Ahrens { 2667d5ee8a13SMatthew Ahrens mdb_refcount_t rc; 2668d5ee8a13SMatthew Ahrens mdb_refcount_removed_t rcr; 2669d5ee8a13SMatthew Ahrens mdb_refcount_tracked_t rct; 2670d5ee8a13SMatthew Ahrens int off; 267128e4da25SMatthew Ahrens boolean_t released = B_FALSE; 26729966ca11SMatthew Ahrens 26739966ca11SMatthew Ahrens if (!(flags & DCMD_ADDRSPEC)) 26749966ca11SMatthew Ahrens return (DCMD_USAGE); 26759966ca11SMatthew Ahrens 267628e4da25SMatthew Ahrens if (mdb_getopts(argc, argv, 267728e4da25SMatthew Ahrens 'r', MDB_OPT_SETBITS, B_TRUE, &released, 267828e4da25SMatthew Ahrens NULL) != argc) 267928e4da25SMatthew Ahrens return (DCMD_USAGE); 268028e4da25SMatthew Ahrens 2681d5ee8a13SMatthew Ahrens if (mdb_ctf_vread(&rc, "refcount_t", "mdb_refcount_t", addr, 2682d5ee8a13SMatthew Ahrens 0) == -1) 26839966ca11SMatthew Ahrens return (DCMD_ERR); 26849966ca11SMatthew Ahrens 2685d5ee8a13SMatthew Ahrens if (mdb_ctf_vread(&rcr, "refcount_t", "mdb_refcount_removed_t", addr, 2686d5ee8a13SMatthew Ahrens MDB_CTF_VREAD_QUIET) == -1) { 2687d5ee8a13SMatthew Ahrens mdb_printf("refcount_t at %p has %llu holds (untracked)\n", 2688d5ee8a13SMatthew Ahrens addr, (longlong_t)rc.rc_count); 268928e4da25SMatthew Ahrens return (DCMD_OK); 269028e4da25SMatthew Ahrens } 269128e4da25SMatthew Ahrens 2692d5ee8a13SMatthew Ahrens if (mdb_ctf_vread(&rct, "refcount_t", "mdb_refcount_tracked_t", addr, 2693d5ee8a13SMatthew Ahrens MDB_CTF_VREAD_QUIET) == -1) { 2694d5ee8a13SMatthew Ahrens /* If this is an old target, it might be tracked. */ 2695d5ee8a13SMatthew Ahrens rct.rc_tracked = B_TRUE; 2696d5ee8a13SMatthew Ahrens } 2697d5ee8a13SMatthew Ahrens 26989966ca11SMatthew Ahrens mdb_printf("refcount_t at %p has %llu current holds, " 26999966ca11SMatthew Ahrens "%llu recently released holds\n", 2700d5ee8a13SMatthew Ahrens addr, (longlong_t)rc.rc_count, (longlong_t)rcr.rc_removed_count); 27019966ca11SMatthew Ahrens 2702d5ee8a13SMatthew Ahrens if (rct.rc_tracked && rc.rc_count > 0) 27039966ca11SMatthew Ahrens mdb_printf("current holds:\n"); 2704d5ee8a13SMatthew Ahrens off = mdb_ctf_offsetof_by_name("refcount_t", "rc_list"); 2705d5ee8a13SMatthew Ahrens if (off == -1) 27069966ca11SMatthew Ahrens return (DCMD_ERR); 2707d5ee8a13SMatthew Ahrens mdb_pwalk("list", reference_cb, (void*)B_FALSE, addr + off); 2708d5ee8a13SMatthew Ahrens 2709d5ee8a13SMatthew Ahrens if (released && rcr.rc_removed_count > 0) { 2710d5ee8a13SMatthew Ahrens mdb_printf("released holds:\n"); 27119966ca11SMatthew Ahrens 2712d5ee8a13SMatthew Ahrens off = mdb_ctf_offsetof_by_name("refcount_t", "rc_removed"); 2713d5ee8a13SMatthew Ahrens if (off == -1) 271428e4da25SMatthew Ahrens return (DCMD_ERR); 2715421ff020SPrakash Surya mdb_pwalk("list", reference_cb, (void*)B_TRUE, addr + off); 271628e4da25SMatthew Ahrens } 27179966ca11SMatthew Ahrens 27189966ca11SMatthew Ahrens return (DCMD_OK); 27199966ca11SMatthew Ahrens } 27209966ca11SMatthew Ahrens 27210a586ceaSMark Shellenbaum /* ARGSUSED */ 27220a586ceaSMark Shellenbaum static int 27230a586ceaSMark Shellenbaum sa_attr_table(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 27240a586ceaSMark Shellenbaum { 27250a586ceaSMark Shellenbaum sa_attr_table_t *table; 27260a586ceaSMark Shellenbaum sa_os_t sa_os; 27270a586ceaSMark Shellenbaum char *name; 27280a586ceaSMark Shellenbaum int i; 27290a586ceaSMark Shellenbaum 27300a586ceaSMark Shellenbaum if (mdb_vread(&sa_os, sizeof (sa_os_t), addr) == -1) { 27310a586ceaSMark Shellenbaum mdb_warn("failed to read sa_os at %p", addr); 27320a586ceaSMark Shellenbaum return (DCMD_ERR); 27330a586ceaSMark Shellenbaum } 27340a586ceaSMark Shellenbaum 27350a586ceaSMark Shellenbaum table = mdb_alloc(sizeof (sa_attr_table_t) * sa_os.sa_num_attrs, 27360a586ceaSMark Shellenbaum UM_SLEEP | UM_GC); 27370a586ceaSMark Shellenbaum name = mdb_alloc(MAXPATHLEN, UM_SLEEP | UM_GC); 27380a586ceaSMark Shellenbaum 27390a586ceaSMark Shellenbaum if (mdb_vread(table, sizeof (sa_attr_table_t) * sa_os.sa_num_attrs, 27400a586ceaSMark Shellenbaum (uintptr_t)sa_os.sa_attr_table) == -1) { 27410a586ceaSMark Shellenbaum mdb_warn("failed to read sa_os at %p", addr); 27420a586ceaSMark Shellenbaum return (DCMD_ERR); 27430a586ceaSMark Shellenbaum } 27440a586ceaSMark Shellenbaum 27450a586ceaSMark Shellenbaum mdb_printf("%<u>%-10s %-10s %-10s %-10s %s%</u>\n", 27460a586ceaSMark Shellenbaum "ATTR ID", "REGISTERED", "LENGTH", "BSWAP", "NAME"); 27470a586ceaSMark Shellenbaum for (i = 0; i != sa_os.sa_num_attrs; i++) { 27480a586ceaSMark Shellenbaum mdb_readstr(name, MAXPATHLEN, (uintptr_t)table[i].sa_name); 27490a586ceaSMark Shellenbaum mdb_printf("%5x %8x %8x %8x %-s\n", 27500a586ceaSMark Shellenbaum (int)table[i].sa_attr, (int)table[i].sa_registered, 27510a586ceaSMark Shellenbaum (int)table[i].sa_length, table[i].sa_byteswap, name); 27520a586ceaSMark Shellenbaum } 27530a586ceaSMark Shellenbaum 27540a586ceaSMark Shellenbaum return (DCMD_OK); 27550a586ceaSMark Shellenbaum } 27560a586ceaSMark Shellenbaum 27570a586ceaSMark Shellenbaum static int 27580a586ceaSMark Shellenbaum sa_get_off_table(uintptr_t addr, uint32_t **off_tab, int attr_count) 27590a586ceaSMark Shellenbaum { 27600a586ceaSMark Shellenbaum uintptr_t idx_table; 27610a586ceaSMark Shellenbaum 276228e4da25SMatthew Ahrens if (GETMEMB(addr, "sa_idx_tab", sa_idx_tab, idx_table)) { 27630a586ceaSMark Shellenbaum mdb_printf("can't find offset table in sa_idx_tab\n"); 27640a586ceaSMark Shellenbaum return (-1); 27650a586ceaSMark Shellenbaum } 27660a586ceaSMark Shellenbaum 27670a586ceaSMark Shellenbaum *off_tab = mdb_alloc(attr_count * sizeof (uint32_t), 27680a586ceaSMark Shellenbaum UM_SLEEP | UM_GC); 27690a586ceaSMark Shellenbaum 27700a586ceaSMark Shellenbaum if (mdb_vread(*off_tab, 27710a586ceaSMark Shellenbaum attr_count * sizeof (uint32_t), idx_table) == -1) { 27720a586ceaSMark Shellenbaum mdb_warn("failed to attribute offset table %p", idx_table); 27730a586ceaSMark Shellenbaum return (-1); 27740a586ceaSMark Shellenbaum } 27750a586ceaSMark Shellenbaum 27760a586ceaSMark Shellenbaum return (DCMD_OK); 27770a586ceaSMark Shellenbaum } 27780a586ceaSMark Shellenbaum 27790a586ceaSMark Shellenbaum /*ARGSUSED*/ 27800a586ceaSMark Shellenbaum static int 27810a586ceaSMark Shellenbaum sa_attr_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 27820a586ceaSMark Shellenbaum { 27830a586ceaSMark Shellenbaum uint32_t *offset_tab; 27840a586ceaSMark Shellenbaum int attr_count; 27850a586ceaSMark Shellenbaum uint64_t attr_id; 27860a586ceaSMark Shellenbaum uintptr_t attr_addr; 27870a586ceaSMark Shellenbaum uintptr_t bonus_tab, spill_tab; 27880a586ceaSMark Shellenbaum uintptr_t db_bonus, db_spill; 27890a586ceaSMark Shellenbaum uintptr_t os, os_sa; 27900a586ceaSMark Shellenbaum uintptr_t db_data; 27910a586ceaSMark Shellenbaum 27920a586ceaSMark Shellenbaum if (argc != 1) 27930a586ceaSMark Shellenbaum return (DCMD_USAGE); 27940a586ceaSMark Shellenbaum 27950a586ceaSMark Shellenbaum if (argv[0].a_type == MDB_TYPE_STRING) 27960a586ceaSMark Shellenbaum attr_id = mdb_strtoull(argv[0].a_un.a_str); 27970a586ceaSMark Shellenbaum else 27980a586ceaSMark Shellenbaum return (DCMD_USAGE); 27990a586ceaSMark Shellenbaum 280028e4da25SMatthew Ahrens if (GETMEMB(addr, "sa_handle", sa_bonus_tab, bonus_tab) || 280128e4da25SMatthew Ahrens GETMEMB(addr, "sa_handle", sa_spill_tab, spill_tab) || 280228e4da25SMatthew Ahrens GETMEMB(addr, "sa_handle", sa_os, os) || 280328e4da25SMatthew Ahrens GETMEMB(addr, "sa_handle", sa_bonus, db_bonus) || 280428e4da25SMatthew Ahrens GETMEMB(addr, "sa_handle", sa_spill, db_spill)) { 28050a586ceaSMark Shellenbaum mdb_printf("Can't find necessary information in sa_handle " 28060a586ceaSMark Shellenbaum "in sa_handle\n"); 28070a586ceaSMark Shellenbaum return (DCMD_ERR); 28080a586ceaSMark Shellenbaum } 28090a586ceaSMark Shellenbaum 281028e4da25SMatthew Ahrens if (GETMEMB(os, "objset", os_sa, os_sa)) { 28110a586ceaSMark Shellenbaum mdb_printf("Can't find os_sa in objset\n"); 28120a586ceaSMark Shellenbaum return (DCMD_ERR); 28130a586ceaSMark Shellenbaum } 28140a586ceaSMark Shellenbaum 281528e4da25SMatthew Ahrens if (GETMEMB(os_sa, "sa_os", sa_num_attrs, attr_count)) { 28160a586ceaSMark Shellenbaum mdb_printf("Can't find sa_num_attrs\n"); 28170a586ceaSMark Shellenbaum return (DCMD_ERR); 28180a586ceaSMark Shellenbaum } 28190a586ceaSMark Shellenbaum 28200a586ceaSMark Shellenbaum if (attr_id > attr_count) { 28210a586ceaSMark Shellenbaum mdb_printf("attribute id number is out of range\n"); 28220a586ceaSMark Shellenbaum return (DCMD_ERR); 28230a586ceaSMark Shellenbaum } 28240a586ceaSMark Shellenbaum 28250a586ceaSMark Shellenbaum if (bonus_tab) { 28260a586ceaSMark Shellenbaum if (sa_get_off_table(bonus_tab, &offset_tab, 28270a586ceaSMark Shellenbaum attr_count) == -1) { 28280a586ceaSMark Shellenbaum return (DCMD_ERR); 28290a586ceaSMark Shellenbaum } 28300a586ceaSMark Shellenbaum 283128e4da25SMatthew Ahrens if (GETMEMB(db_bonus, "dmu_buf", db_data, db_data)) { 28320a586ceaSMark Shellenbaum mdb_printf("can't find db_data in bonus dbuf\n"); 28330a586ceaSMark Shellenbaum return (DCMD_ERR); 28340a586ceaSMark Shellenbaum } 28350a586ceaSMark Shellenbaum } 28360a586ceaSMark Shellenbaum 28370a586ceaSMark Shellenbaum if (bonus_tab && !TOC_ATTR_PRESENT(offset_tab[attr_id]) && 28380a586ceaSMark Shellenbaum spill_tab == NULL) { 28390a586ceaSMark Shellenbaum mdb_printf("Attribute does not exist\n"); 28400a586ceaSMark Shellenbaum return (DCMD_ERR); 28410a586ceaSMark Shellenbaum } else if (!TOC_ATTR_PRESENT(offset_tab[attr_id]) && spill_tab) { 28420a586ceaSMark Shellenbaum if (sa_get_off_table(spill_tab, &offset_tab, 28430a586ceaSMark Shellenbaum attr_count) == -1) { 28440a586ceaSMark Shellenbaum return (DCMD_ERR); 28450a586ceaSMark Shellenbaum } 284628e4da25SMatthew Ahrens if (GETMEMB(db_spill, "dmu_buf", db_data, db_data)) { 28470a586ceaSMark Shellenbaum mdb_printf("can't find db_data in spill dbuf\n"); 28480a586ceaSMark Shellenbaum return (DCMD_ERR); 28490a586ceaSMark Shellenbaum } 28500a586ceaSMark Shellenbaum if (!TOC_ATTR_PRESENT(offset_tab[attr_id])) { 28510a586ceaSMark Shellenbaum mdb_printf("Attribute does not exist\n"); 28520a586ceaSMark Shellenbaum return (DCMD_ERR); 28530a586ceaSMark Shellenbaum } 28540a586ceaSMark Shellenbaum } 28550a586ceaSMark Shellenbaum attr_addr = db_data + TOC_OFF(offset_tab[attr_id]); 28560a586ceaSMark Shellenbaum mdb_printf("%p\n", attr_addr); 28570a586ceaSMark Shellenbaum return (DCMD_OK); 28580a586ceaSMark Shellenbaum } 28590a586ceaSMark Shellenbaum 28600a586ceaSMark Shellenbaum /* ARGSUSED */ 28610a586ceaSMark Shellenbaum static int 28620a586ceaSMark Shellenbaum zfs_ace_print_common(uintptr_t addr, uint_t flags, 28630a586ceaSMark Shellenbaum uint64_t id, uint32_t access_mask, uint16_t ace_flags, 28640a586ceaSMark Shellenbaum uint16_t ace_type, int verbose) 28650a586ceaSMark Shellenbaum { 28660a586ceaSMark Shellenbaum if (DCMD_HDRSPEC(flags) && !verbose) 28670a586ceaSMark Shellenbaum mdb_printf("%<u>%-?s %-8s %-8s %-8s %s%</u>\n", 28680a586ceaSMark Shellenbaum "ADDR", "FLAGS", "MASK", "TYPE", "ID"); 28690a586ceaSMark Shellenbaum 28700a586ceaSMark Shellenbaum if (!verbose) { 28710a586ceaSMark Shellenbaum mdb_printf("%0?p %-8x %-8x %-8x %-llx\n", addr, 28720a586ceaSMark Shellenbaum ace_flags, access_mask, ace_type, id); 28730a586ceaSMark Shellenbaum return (DCMD_OK); 28740a586ceaSMark Shellenbaum } 28750a586ceaSMark Shellenbaum 28760a586ceaSMark Shellenbaum switch (ace_flags & ACE_TYPE_FLAGS) { 28770a586ceaSMark Shellenbaum case ACE_OWNER: 28780a586ceaSMark Shellenbaum mdb_printf("owner@:"); 28790a586ceaSMark Shellenbaum break; 28800a586ceaSMark Shellenbaum case (ACE_IDENTIFIER_GROUP | ACE_GROUP): 28810a586ceaSMark Shellenbaum mdb_printf("group@:"); 28820a586ceaSMark Shellenbaum break; 28830a586ceaSMark Shellenbaum case ACE_EVERYONE: 28840a586ceaSMark Shellenbaum mdb_printf("everyone@:"); 28850a586ceaSMark Shellenbaum break; 28860a586ceaSMark Shellenbaum case ACE_IDENTIFIER_GROUP: 28870a586ceaSMark Shellenbaum mdb_printf("group:%llx:", (u_longlong_t)id); 28880a586ceaSMark Shellenbaum break; 28890a586ceaSMark Shellenbaum case 0: /* User entry */ 28900a586ceaSMark Shellenbaum mdb_printf("user:%llx:", (u_longlong_t)id); 28910a586ceaSMark Shellenbaum break; 28920a586ceaSMark Shellenbaum } 28930a586ceaSMark Shellenbaum 28940a586ceaSMark Shellenbaum /* print out permission mask */ 28950a586ceaSMark Shellenbaum if (access_mask & ACE_READ_DATA) 28960a586ceaSMark Shellenbaum mdb_printf("r"); 28970a586ceaSMark Shellenbaum else 28980a586ceaSMark Shellenbaum mdb_printf("-"); 28990a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_DATA) 29000a586ceaSMark Shellenbaum mdb_printf("w"); 29010a586ceaSMark Shellenbaum else 29020a586ceaSMark Shellenbaum mdb_printf("-"); 29030a586ceaSMark Shellenbaum if (access_mask & ACE_EXECUTE) 29040a586ceaSMark Shellenbaum mdb_printf("x"); 29050a586ceaSMark Shellenbaum else 29060a586ceaSMark Shellenbaum mdb_printf("-"); 29070a586ceaSMark Shellenbaum if (access_mask & ACE_APPEND_DATA) 29080a586ceaSMark Shellenbaum mdb_printf("p"); 29090a586ceaSMark Shellenbaum else 29100a586ceaSMark Shellenbaum mdb_printf("-"); 29110a586ceaSMark Shellenbaum if (access_mask & ACE_DELETE) 29120a586ceaSMark Shellenbaum mdb_printf("d"); 29130a586ceaSMark Shellenbaum else 29140a586ceaSMark Shellenbaum mdb_printf("-"); 29150a586ceaSMark Shellenbaum if (access_mask & ACE_DELETE_CHILD) 29160a586ceaSMark Shellenbaum mdb_printf("D"); 29170a586ceaSMark Shellenbaum else 29180a586ceaSMark Shellenbaum mdb_printf("-"); 29190a586ceaSMark Shellenbaum if (access_mask & ACE_READ_ATTRIBUTES) 29200a586ceaSMark Shellenbaum mdb_printf("a"); 29210a586ceaSMark Shellenbaum else 29220a586ceaSMark Shellenbaum mdb_printf("-"); 29230a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_ATTRIBUTES) 29240a586ceaSMark Shellenbaum mdb_printf("A"); 29250a586ceaSMark Shellenbaum else 29260a586ceaSMark Shellenbaum mdb_printf("-"); 29270a586ceaSMark Shellenbaum if (access_mask & ACE_READ_NAMED_ATTRS) 29280a586ceaSMark Shellenbaum mdb_printf("R"); 29290a586ceaSMark Shellenbaum else 29300a586ceaSMark Shellenbaum mdb_printf("-"); 29310a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_NAMED_ATTRS) 29320a586ceaSMark Shellenbaum mdb_printf("W"); 29330a586ceaSMark Shellenbaum else 29340a586ceaSMark Shellenbaum mdb_printf("-"); 29350a586ceaSMark Shellenbaum if (access_mask & ACE_READ_ACL) 29360a586ceaSMark Shellenbaum mdb_printf("c"); 29370a586ceaSMark Shellenbaum else 29380a586ceaSMark Shellenbaum mdb_printf("-"); 29390a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_ACL) 29400a586ceaSMark Shellenbaum mdb_printf("C"); 29410a586ceaSMark Shellenbaum else 29420a586ceaSMark Shellenbaum mdb_printf("-"); 29430a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_OWNER) 29440a586ceaSMark Shellenbaum mdb_printf("o"); 29450a586ceaSMark Shellenbaum else 29460a586ceaSMark Shellenbaum mdb_printf("-"); 29470a586ceaSMark Shellenbaum if (access_mask & ACE_SYNCHRONIZE) 29480a586ceaSMark Shellenbaum mdb_printf("s"); 29490a586ceaSMark Shellenbaum else 29500a586ceaSMark Shellenbaum mdb_printf("-"); 29510a586ceaSMark Shellenbaum 29520a586ceaSMark Shellenbaum mdb_printf(":"); 29530a586ceaSMark Shellenbaum 29540a586ceaSMark Shellenbaum /* Print out inheritance flags */ 29550a586ceaSMark Shellenbaum if (ace_flags & ACE_FILE_INHERIT_ACE) 29560a586ceaSMark Shellenbaum mdb_printf("f"); 29570a586ceaSMark Shellenbaum else 29580a586ceaSMark Shellenbaum mdb_printf("-"); 29590a586ceaSMark Shellenbaum if (ace_flags & ACE_DIRECTORY_INHERIT_ACE) 29600a586ceaSMark Shellenbaum mdb_printf("d"); 29610a586ceaSMark Shellenbaum else 29620a586ceaSMark Shellenbaum mdb_printf("-"); 29630a586ceaSMark Shellenbaum if (ace_flags & ACE_INHERIT_ONLY_ACE) 29640a586ceaSMark Shellenbaum mdb_printf("i"); 29650a586ceaSMark Shellenbaum else 29660a586ceaSMark Shellenbaum mdb_printf("-"); 29670a586ceaSMark Shellenbaum if (ace_flags & ACE_NO_PROPAGATE_INHERIT_ACE) 29680a586ceaSMark Shellenbaum mdb_printf("n"); 29690a586ceaSMark Shellenbaum else 29700a586ceaSMark Shellenbaum mdb_printf("-"); 29710a586ceaSMark Shellenbaum if (ace_flags & ACE_SUCCESSFUL_ACCESS_ACE_FLAG) 29720a586ceaSMark Shellenbaum mdb_printf("S"); 29730a586ceaSMark Shellenbaum else 29740a586ceaSMark Shellenbaum mdb_printf("-"); 29750a586ceaSMark Shellenbaum if (ace_flags & ACE_FAILED_ACCESS_ACE_FLAG) 29760a586ceaSMark Shellenbaum mdb_printf("F"); 29770a586ceaSMark Shellenbaum else 29780a586ceaSMark Shellenbaum mdb_printf("-"); 29790a586ceaSMark Shellenbaum if (ace_flags & ACE_INHERITED_ACE) 29800a586ceaSMark Shellenbaum mdb_printf("I"); 29810a586ceaSMark Shellenbaum else 29820a586ceaSMark Shellenbaum mdb_printf("-"); 29830a586ceaSMark Shellenbaum 29840a586ceaSMark Shellenbaum switch (ace_type) { 29850a586ceaSMark Shellenbaum case ACE_ACCESS_ALLOWED_ACE_TYPE: 29860a586ceaSMark Shellenbaum mdb_printf(":allow\n"); 29870a586ceaSMark Shellenbaum break; 29880a586ceaSMark Shellenbaum case ACE_ACCESS_DENIED_ACE_TYPE: 29890a586ceaSMark Shellenbaum mdb_printf(":deny\n"); 29900a586ceaSMark Shellenbaum break; 29910a586ceaSMark Shellenbaum case ACE_SYSTEM_AUDIT_ACE_TYPE: 29920a586ceaSMark Shellenbaum mdb_printf(":audit\n"); 29930a586ceaSMark Shellenbaum break; 29940a586ceaSMark Shellenbaum case ACE_SYSTEM_ALARM_ACE_TYPE: 29950a586ceaSMark Shellenbaum mdb_printf(":alarm\n"); 29960a586ceaSMark Shellenbaum break; 29970a586ceaSMark Shellenbaum default: 29980a586ceaSMark Shellenbaum mdb_printf(":?\n"); 29990a586ceaSMark Shellenbaum } 30000a586ceaSMark Shellenbaum return (DCMD_OK); 30010a586ceaSMark Shellenbaum } 30020a586ceaSMark Shellenbaum 30030a586ceaSMark Shellenbaum /* ARGSUSED */ 30040a586ceaSMark Shellenbaum static int 30050a586ceaSMark Shellenbaum zfs_ace_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 30060a586ceaSMark Shellenbaum { 30070a586ceaSMark Shellenbaum zfs_ace_t zace; 30080a586ceaSMark Shellenbaum int verbose = FALSE; 30090a586ceaSMark Shellenbaum uint64_t id; 30100a586ceaSMark Shellenbaum 30110a586ceaSMark Shellenbaum if (!(flags & DCMD_ADDRSPEC)) 30120a586ceaSMark Shellenbaum return (DCMD_USAGE); 30130a586ceaSMark Shellenbaum 30140a586ceaSMark Shellenbaum if (mdb_getopts(argc, argv, 30150a586ceaSMark Shellenbaum 'v', MDB_OPT_SETBITS, TRUE, &verbose, TRUE, NULL) != argc) 30160a586ceaSMark Shellenbaum return (DCMD_USAGE); 30170a586ceaSMark Shellenbaum 30180a586ceaSMark Shellenbaum if (mdb_vread(&zace, sizeof (zfs_ace_t), addr) == -1) { 30190a586ceaSMark Shellenbaum mdb_warn("failed to read zfs_ace_t"); 30200a586ceaSMark Shellenbaum return (DCMD_ERR); 30210a586ceaSMark Shellenbaum } 30220a586ceaSMark Shellenbaum 30230a586ceaSMark Shellenbaum if ((zace.z_hdr.z_flags & ACE_TYPE_FLAGS) == 0 || 30240a586ceaSMark Shellenbaum (zace.z_hdr.z_flags & ACE_TYPE_FLAGS) == ACE_IDENTIFIER_GROUP) 30250a586ceaSMark Shellenbaum id = zace.z_fuid; 30260a586ceaSMark Shellenbaum else 30270a586ceaSMark Shellenbaum id = -1; 30280a586ceaSMark Shellenbaum 30290a586ceaSMark Shellenbaum return (zfs_ace_print_common(addr, flags, id, zace.z_hdr.z_access_mask, 30300a586ceaSMark Shellenbaum zace.z_hdr.z_flags, zace.z_hdr.z_type, verbose)); 30310a586ceaSMark Shellenbaum } 30320a586ceaSMark Shellenbaum 30330a586ceaSMark Shellenbaum /* ARGSUSED */ 30340a586ceaSMark Shellenbaum static int 30350a586ceaSMark Shellenbaum zfs_ace0_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 30360a586ceaSMark Shellenbaum { 30370a586ceaSMark Shellenbaum ace_t ace; 30380a586ceaSMark Shellenbaum uint64_t id; 30390a586ceaSMark Shellenbaum int verbose = FALSE; 30400a586ceaSMark Shellenbaum 30410a586ceaSMark Shellenbaum if (!(flags & DCMD_ADDRSPEC)) 30420a586ceaSMark Shellenbaum return (DCMD_USAGE); 30430a586ceaSMark Shellenbaum 30440a586ceaSMark Shellenbaum if (mdb_getopts(argc, argv, 30450a586ceaSMark Shellenbaum 'v', MDB_OPT_SETBITS, TRUE, &verbose, TRUE, NULL) != argc) 30460a586ceaSMark Shellenbaum return (DCMD_USAGE); 30470a586ceaSMark Shellenbaum 30480a586ceaSMark Shellenbaum if (mdb_vread(&ace, sizeof (ace_t), addr) == -1) { 30490a586ceaSMark Shellenbaum mdb_warn("failed to read ace_t"); 30500a586ceaSMark Shellenbaum return (DCMD_ERR); 30510a586ceaSMark Shellenbaum } 30520a586ceaSMark Shellenbaum 30530a586ceaSMark Shellenbaum if ((ace.a_flags & ACE_TYPE_FLAGS) == 0 || 30540a586ceaSMark Shellenbaum (ace.a_flags & ACE_TYPE_FLAGS) == ACE_IDENTIFIER_GROUP) 30550a586ceaSMark Shellenbaum id = ace.a_who; 30560a586ceaSMark Shellenbaum else 30570a586ceaSMark Shellenbaum id = -1; 30580a586ceaSMark Shellenbaum 30590a586ceaSMark Shellenbaum return (zfs_ace_print_common(addr, flags, id, ace.a_access_mask, 30600a586ceaSMark Shellenbaum ace.a_flags, ace.a_type, verbose)); 30610a586ceaSMark Shellenbaum } 30620a586ceaSMark Shellenbaum 30630a586ceaSMark Shellenbaum typedef struct acl_dump_args { 30640a586ceaSMark Shellenbaum int a_argc; 30650a586ceaSMark Shellenbaum const mdb_arg_t *a_argv; 30660a586ceaSMark Shellenbaum uint16_t a_version; 30670a586ceaSMark Shellenbaum int a_flags; 30680a586ceaSMark Shellenbaum } acl_dump_args_t; 30690a586ceaSMark Shellenbaum 30700a586ceaSMark Shellenbaum /* ARGSUSED */ 30710a586ceaSMark Shellenbaum static int 30720a586ceaSMark Shellenbaum acl_aces_cb(uintptr_t addr, const void *unknown, void *arg) 30730a586ceaSMark Shellenbaum { 30740a586ceaSMark Shellenbaum acl_dump_args_t *acl_args = (acl_dump_args_t *)arg; 30750a586ceaSMark Shellenbaum 30760a586ceaSMark Shellenbaum if (acl_args->a_version == 1) { 30770a586ceaSMark Shellenbaum if (mdb_call_dcmd("zfs_ace", addr, 30780a586ceaSMark Shellenbaum DCMD_ADDRSPEC|acl_args->a_flags, acl_args->a_argc, 30790a586ceaSMark Shellenbaum acl_args->a_argv) != DCMD_OK) { 30800a586ceaSMark Shellenbaum return (WALK_ERR); 30810a586ceaSMark Shellenbaum } 30820a586ceaSMark Shellenbaum } else { 30830a586ceaSMark Shellenbaum if (mdb_call_dcmd("zfs_ace0", addr, 30840a586ceaSMark Shellenbaum DCMD_ADDRSPEC|acl_args->a_flags, acl_args->a_argc, 30850a586ceaSMark Shellenbaum acl_args->a_argv) != DCMD_OK) { 30860a586ceaSMark Shellenbaum return (WALK_ERR); 30870a586ceaSMark Shellenbaum } 30880a586ceaSMark Shellenbaum } 30890a586ceaSMark Shellenbaum acl_args->a_flags = DCMD_LOOP; 30900a586ceaSMark Shellenbaum return (WALK_NEXT); 30910a586ceaSMark Shellenbaum } 30920a586ceaSMark Shellenbaum 30930a586ceaSMark Shellenbaum /* ARGSUSED */ 30940a586ceaSMark Shellenbaum static int 30950a586ceaSMark Shellenbaum acl_cb(uintptr_t addr, const void *unknown, void *arg) 30960a586ceaSMark Shellenbaum { 30970a586ceaSMark Shellenbaum acl_dump_args_t *acl_args = (acl_dump_args_t *)arg; 30980a586ceaSMark Shellenbaum 30990a586ceaSMark Shellenbaum if (acl_args->a_version == 1) { 31000a586ceaSMark Shellenbaum if (mdb_pwalk("zfs_acl_node_aces", acl_aces_cb, 31010a586ceaSMark Shellenbaum arg, addr) != 0) { 31020a586ceaSMark Shellenbaum mdb_warn("can't walk ACEs"); 31030a586ceaSMark Shellenbaum return (DCMD_ERR); 31040a586ceaSMark Shellenbaum } 31050a586ceaSMark Shellenbaum } else { 31060a586ceaSMark Shellenbaum if (mdb_pwalk("zfs_acl_node_aces0", acl_aces_cb, 31070a586ceaSMark Shellenbaum arg, addr) != 0) { 31080a586ceaSMark Shellenbaum mdb_warn("can't walk ACEs"); 31090a586ceaSMark Shellenbaum return (DCMD_ERR); 31100a586ceaSMark Shellenbaum } 31110a586ceaSMark Shellenbaum } 31120a586ceaSMark Shellenbaum return (WALK_NEXT); 31130a586ceaSMark Shellenbaum } 31140a586ceaSMark Shellenbaum 31150a586ceaSMark Shellenbaum /* ARGSUSED */ 31160a586ceaSMark Shellenbaum static int 31170a586ceaSMark Shellenbaum zfs_acl_dump(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 31180a586ceaSMark Shellenbaum { 31190a586ceaSMark Shellenbaum zfs_acl_t zacl; 31200a586ceaSMark Shellenbaum int verbose = FALSE; 31210a586ceaSMark Shellenbaum acl_dump_args_t acl_args; 31220a586ceaSMark Shellenbaum 31230a586ceaSMark Shellenbaum if (!(flags & DCMD_ADDRSPEC)) 31240a586ceaSMark Shellenbaum return (DCMD_USAGE); 31250a586ceaSMark Shellenbaum 31260a586ceaSMark Shellenbaum if (mdb_getopts(argc, argv, 31270a586ceaSMark Shellenbaum 'v', MDB_OPT_SETBITS, TRUE, &verbose, TRUE, NULL) != argc) 31280a586ceaSMark Shellenbaum return (DCMD_USAGE); 31290a586ceaSMark Shellenbaum 31300a586ceaSMark Shellenbaum if (mdb_vread(&zacl, sizeof (zfs_acl_t), addr) == -1) { 31310a586ceaSMark Shellenbaum mdb_warn("failed to read zfs_acl_t"); 31320a586ceaSMark Shellenbaum return (DCMD_ERR); 31330a586ceaSMark Shellenbaum } 31340a586ceaSMark Shellenbaum 31350a586ceaSMark Shellenbaum acl_args.a_argc = argc; 31360a586ceaSMark Shellenbaum acl_args.a_argv = argv; 31370a586ceaSMark Shellenbaum acl_args.a_version = zacl.z_version; 31380a586ceaSMark Shellenbaum acl_args.a_flags = DCMD_LOOPFIRST; 31390a586ceaSMark Shellenbaum 31400a586ceaSMark Shellenbaum if (mdb_pwalk("zfs_acl_node", acl_cb, &acl_args, addr) != 0) { 31410a586ceaSMark Shellenbaum mdb_warn("can't walk ACL"); 31420a586ceaSMark Shellenbaum return (DCMD_ERR); 31430a586ceaSMark Shellenbaum } 31440a586ceaSMark Shellenbaum 31450a586ceaSMark Shellenbaum return (DCMD_OK); 31460a586ceaSMark Shellenbaum } 31470a586ceaSMark Shellenbaum 31480a586ceaSMark Shellenbaum /* ARGSUSED */ 31490a586ceaSMark Shellenbaum static int 31500a586ceaSMark Shellenbaum zfs_acl_node_walk_init(mdb_walk_state_t *wsp) 31510a586ceaSMark Shellenbaum { 31520a586ceaSMark Shellenbaum if (wsp->walk_addr == NULL) { 31530a586ceaSMark Shellenbaum mdb_warn("must supply address of zfs_acl_node_t\n"); 31540a586ceaSMark Shellenbaum return (WALK_ERR); 31550a586ceaSMark Shellenbaum } 31560a586ceaSMark Shellenbaum 315728e4da25SMatthew Ahrens wsp->walk_addr += 315828e4da25SMatthew Ahrens mdb_ctf_offsetof_by_name(ZFS_STRUCT "zfs_acl", "z_acl"); 31590a586ceaSMark Shellenbaum 31600a586ceaSMark Shellenbaum if (mdb_layered_walk("list", wsp) == -1) { 31610a586ceaSMark Shellenbaum mdb_warn("failed to walk 'list'\n"); 31620a586ceaSMark Shellenbaum return (WALK_ERR); 31630a586ceaSMark Shellenbaum } 31640a586ceaSMark Shellenbaum 31650a586ceaSMark Shellenbaum return (WALK_NEXT); 31660a586ceaSMark Shellenbaum } 31670a586ceaSMark Shellenbaum 31680a586ceaSMark Shellenbaum static int 31690a586ceaSMark Shellenbaum zfs_acl_node_walk_step(mdb_walk_state_t *wsp) 31700a586ceaSMark Shellenbaum { 31710a586ceaSMark Shellenbaum zfs_acl_node_t aclnode; 31720a586ceaSMark Shellenbaum 31730a586ceaSMark Shellenbaum if (mdb_vread(&aclnode, sizeof (zfs_acl_node_t), 31740a586ceaSMark Shellenbaum wsp->walk_addr) == -1) { 31750a586ceaSMark Shellenbaum mdb_warn("failed to read zfs_acl_node at %p", wsp->walk_addr); 31760a586ceaSMark Shellenbaum return (WALK_ERR); 31770a586ceaSMark Shellenbaum } 31780a586ceaSMark Shellenbaum 31790a586ceaSMark Shellenbaum return (wsp->walk_callback(wsp->walk_addr, &aclnode, wsp->walk_cbdata)); 31800a586ceaSMark Shellenbaum } 31810a586ceaSMark Shellenbaum 31820a586ceaSMark Shellenbaum typedef struct ace_walk_data { 31830a586ceaSMark Shellenbaum int ace_count; 31840a586ceaSMark Shellenbaum int ace_version; 31850a586ceaSMark Shellenbaum } ace_walk_data_t; 31860a586ceaSMark Shellenbaum 31870a586ceaSMark Shellenbaum static int 31880a586ceaSMark Shellenbaum zfs_aces_walk_init_common(mdb_walk_state_t *wsp, int version, 31890a586ceaSMark Shellenbaum int ace_count, uintptr_t ace_data) 31900a586ceaSMark Shellenbaum { 31910a586ceaSMark Shellenbaum ace_walk_data_t *ace_walk_data; 31920a586ceaSMark Shellenbaum 31930a586ceaSMark Shellenbaum if (wsp->walk_addr == NULL) { 31940a586ceaSMark Shellenbaum mdb_warn("must supply address of zfs_acl_node_t\n"); 31950a586ceaSMark Shellenbaum return (WALK_ERR); 31960a586ceaSMark Shellenbaum } 31970a586ceaSMark Shellenbaum 31980a586ceaSMark Shellenbaum ace_walk_data = mdb_alloc(sizeof (ace_walk_data_t), UM_SLEEP | UM_GC); 31990a586ceaSMark Shellenbaum 32000a586ceaSMark Shellenbaum ace_walk_data->ace_count = ace_count; 32010a586ceaSMark Shellenbaum ace_walk_data->ace_version = version; 32020a586ceaSMark Shellenbaum 32030a586ceaSMark Shellenbaum wsp->walk_addr = ace_data; 32040a586ceaSMark Shellenbaum wsp->walk_data = ace_walk_data; 32050a586ceaSMark Shellenbaum 32060a586ceaSMark Shellenbaum return (WALK_NEXT); 32070a586ceaSMark Shellenbaum } 32080a586ceaSMark Shellenbaum 32090a586ceaSMark Shellenbaum static int 32100a586ceaSMark Shellenbaum zfs_acl_node_aces_walk_init_common(mdb_walk_state_t *wsp, int version) 32110a586ceaSMark Shellenbaum { 32120a586ceaSMark Shellenbaum static int gotid; 32130a586ceaSMark Shellenbaum static mdb_ctf_id_t acl_id; 32140a586ceaSMark Shellenbaum int z_ace_count; 32150a586ceaSMark Shellenbaum uintptr_t z_acldata; 32160a586ceaSMark Shellenbaum 32170a586ceaSMark Shellenbaum if (!gotid) { 32180a586ceaSMark Shellenbaum if (mdb_ctf_lookup_by_name("struct zfs_acl_node", 32190a586ceaSMark Shellenbaum &acl_id) == -1) { 32200a586ceaSMark Shellenbaum mdb_warn("couldn't find struct zfs_acl_node"); 32210a586ceaSMark Shellenbaum return (DCMD_ERR); 32220a586ceaSMark Shellenbaum } 32230a586ceaSMark Shellenbaum gotid = TRUE; 32240a586ceaSMark Shellenbaum } 32250a586ceaSMark Shellenbaum 32260a586ceaSMark Shellenbaum if (GETMEMBID(wsp->walk_addr, &acl_id, z_ace_count, z_ace_count)) { 32270a586ceaSMark Shellenbaum return (DCMD_ERR); 32280a586ceaSMark Shellenbaum } 32290a586ceaSMark Shellenbaum if (GETMEMBID(wsp->walk_addr, &acl_id, z_acldata, z_acldata)) { 32300a586ceaSMark Shellenbaum return (DCMD_ERR); 32310a586ceaSMark Shellenbaum } 32320a586ceaSMark Shellenbaum 32330a586ceaSMark Shellenbaum return (zfs_aces_walk_init_common(wsp, version, 32340a586ceaSMark Shellenbaum z_ace_count, z_acldata)); 32350a586ceaSMark Shellenbaum } 32360a586ceaSMark Shellenbaum 32370a586ceaSMark Shellenbaum /* ARGSUSED */ 32380a586ceaSMark Shellenbaum static int 32390a586ceaSMark Shellenbaum zfs_acl_node_aces_walk_init(mdb_walk_state_t *wsp) 32400a586ceaSMark Shellenbaum { 32410a586ceaSMark Shellenbaum return (zfs_acl_node_aces_walk_init_common(wsp, 1)); 32420a586ceaSMark Shellenbaum } 32430a586ceaSMark Shellenbaum 32440a586ceaSMark Shellenbaum /* ARGSUSED */ 32450a586ceaSMark Shellenbaum static int 32460a586ceaSMark Shellenbaum zfs_acl_node_aces0_walk_init(mdb_walk_state_t *wsp) 32470a586ceaSMark Shellenbaum { 32480a586ceaSMark Shellenbaum return (zfs_acl_node_aces_walk_init_common(wsp, 0)); 32490a586ceaSMark Shellenbaum } 32500a586ceaSMark Shellenbaum 32510a586ceaSMark Shellenbaum static int 32520a586ceaSMark Shellenbaum zfs_aces_walk_step(mdb_walk_state_t *wsp) 32530a586ceaSMark Shellenbaum { 32540a586ceaSMark Shellenbaum ace_walk_data_t *ace_data = wsp->walk_data; 32550a586ceaSMark Shellenbaum zfs_ace_t zace; 32560a586ceaSMark Shellenbaum ace_t *acep; 32570a586ceaSMark Shellenbaum int status; 32580a586ceaSMark Shellenbaum int entry_type; 32590a586ceaSMark Shellenbaum int allow_type; 32600a586ceaSMark Shellenbaum uintptr_t ptr; 32610a586ceaSMark Shellenbaum 32620a586ceaSMark Shellenbaum if (ace_data->ace_count == 0) 32630a586ceaSMark Shellenbaum return (WALK_DONE); 32640a586ceaSMark Shellenbaum 32650a586ceaSMark Shellenbaum if (mdb_vread(&zace, sizeof (zfs_ace_t), wsp->walk_addr) == -1) { 32660a586ceaSMark Shellenbaum mdb_warn("failed to read zfs_ace_t at %#lx", 32670a586ceaSMark Shellenbaum wsp->walk_addr); 32680a586ceaSMark Shellenbaum return (WALK_ERR); 32690a586ceaSMark Shellenbaum } 32700a586ceaSMark Shellenbaum 32710a586ceaSMark Shellenbaum switch (ace_data->ace_version) { 32720a586ceaSMark Shellenbaum case 0: 32730a586ceaSMark Shellenbaum acep = (ace_t *)&zace; 32740a586ceaSMark Shellenbaum entry_type = acep->a_flags & ACE_TYPE_FLAGS; 32750a586ceaSMark Shellenbaum allow_type = acep->a_type; 32760a586ceaSMark Shellenbaum break; 32770a586ceaSMark Shellenbaum case 1: 32780a586ceaSMark Shellenbaum entry_type = zace.z_hdr.z_flags & ACE_TYPE_FLAGS; 32790a586ceaSMark Shellenbaum allow_type = zace.z_hdr.z_type; 32800a586ceaSMark Shellenbaum break; 32810a586ceaSMark Shellenbaum default: 32820a586ceaSMark Shellenbaum return (WALK_ERR); 32830a586ceaSMark Shellenbaum } 32840a586ceaSMark Shellenbaum 32850a586ceaSMark Shellenbaum ptr = (uintptr_t)wsp->walk_addr; 32860a586ceaSMark Shellenbaum switch (entry_type) { 32870a586ceaSMark Shellenbaum case ACE_OWNER: 32880a586ceaSMark Shellenbaum case ACE_EVERYONE: 32890a586ceaSMark Shellenbaum case (ACE_IDENTIFIER_GROUP | ACE_GROUP): 32900a586ceaSMark Shellenbaum ptr += ace_data->ace_version == 0 ? 32910a586ceaSMark Shellenbaum sizeof (ace_t) : sizeof (zfs_ace_hdr_t); 32920a586ceaSMark Shellenbaum break; 32930a586ceaSMark Shellenbaum case ACE_IDENTIFIER_GROUP: 32940a586ceaSMark Shellenbaum default: 32950a586ceaSMark Shellenbaum switch (allow_type) { 32960a586ceaSMark Shellenbaum case ACE_ACCESS_ALLOWED_OBJECT_ACE_TYPE: 32970a586ceaSMark Shellenbaum case ACE_ACCESS_DENIED_OBJECT_ACE_TYPE: 32980a586ceaSMark Shellenbaum case ACE_SYSTEM_AUDIT_OBJECT_ACE_TYPE: 32990a586ceaSMark Shellenbaum case ACE_SYSTEM_ALARM_OBJECT_ACE_TYPE: 33000a586ceaSMark Shellenbaum ptr += ace_data->ace_version == 0 ? 33010a586ceaSMark Shellenbaum sizeof (ace_t) : sizeof (zfs_object_ace_t); 33020a586ceaSMark Shellenbaum break; 33030a586ceaSMark Shellenbaum default: 33040a586ceaSMark Shellenbaum ptr += ace_data->ace_version == 0 ? 33050a586ceaSMark Shellenbaum sizeof (ace_t) : sizeof (zfs_ace_t); 33060a586ceaSMark Shellenbaum break; 33070a586ceaSMark Shellenbaum } 33080a586ceaSMark Shellenbaum } 33090a586ceaSMark Shellenbaum 33100a586ceaSMark Shellenbaum ace_data->ace_count--; 33110a586ceaSMark Shellenbaum status = wsp->walk_callback(wsp->walk_addr, 33120a586ceaSMark Shellenbaum (void *)(uintptr_t)&zace, wsp->walk_cbdata); 33130a586ceaSMark Shellenbaum 33140a586ceaSMark Shellenbaum wsp->walk_addr = ptr; 33150a586ceaSMark Shellenbaum return (status); 33160a586ceaSMark Shellenbaum } 33170a586ceaSMark Shellenbaum 331828e4da25SMatthew Ahrens typedef struct mdb_zfs_rrwlock { 3319d5ee8a13SMatthew Ahrens uintptr_t rr_writer; 332028e4da25SMatthew Ahrens boolean_t rr_writer_wanted; 332128e4da25SMatthew Ahrens } mdb_zfs_rrwlock_t; 332228e4da25SMatthew Ahrens 332328e4da25SMatthew Ahrens static uint_t rrw_key; 332428e4da25SMatthew Ahrens 332528e4da25SMatthew Ahrens /* ARGSUSED */ 332628e4da25SMatthew Ahrens static int 332728e4da25SMatthew Ahrens rrwlock(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 332828e4da25SMatthew Ahrens { 332928e4da25SMatthew Ahrens mdb_zfs_rrwlock_t rrw; 333028e4da25SMatthew Ahrens 333128e4da25SMatthew Ahrens if (rrw_key == 0) { 333228e4da25SMatthew Ahrens if (mdb_ctf_readsym(&rrw_key, "uint_t", "rrw_tsd_key", 0) == -1) 333328e4da25SMatthew Ahrens return (DCMD_ERR); 333428e4da25SMatthew Ahrens } 333528e4da25SMatthew Ahrens 333628e4da25SMatthew Ahrens if (mdb_ctf_vread(&rrw, "rrwlock_t", "mdb_zfs_rrwlock_t", addr, 333728e4da25SMatthew Ahrens 0) == -1) 333828e4da25SMatthew Ahrens return (DCMD_ERR); 333928e4da25SMatthew Ahrens 3340d5ee8a13SMatthew Ahrens if (rrw.rr_writer != 0) { 3341d5ee8a13SMatthew Ahrens mdb_printf("write lock held by thread %lx\n", rrw.rr_writer); 334228e4da25SMatthew Ahrens return (DCMD_OK); 334328e4da25SMatthew Ahrens } 334428e4da25SMatthew Ahrens 334528e4da25SMatthew Ahrens if (rrw.rr_writer_wanted) { 334628e4da25SMatthew Ahrens mdb_printf("writer wanted\n"); 334728e4da25SMatthew Ahrens } 334828e4da25SMatthew Ahrens 334928e4da25SMatthew Ahrens mdb_printf("anonymous references:\n"); 335028e4da25SMatthew Ahrens (void) mdb_call_dcmd("refcount", addr + 335128e4da25SMatthew Ahrens mdb_ctf_offsetof_by_name(ZFS_STRUCT "rrwlock", "rr_anon_rcount"), 335228e4da25SMatthew Ahrens DCMD_ADDRSPEC, 0, NULL); 335328e4da25SMatthew Ahrens 335428e4da25SMatthew Ahrens mdb_printf("linked references:\n"); 335528e4da25SMatthew Ahrens (void) mdb_call_dcmd("refcount", addr + 335628e4da25SMatthew Ahrens mdb_ctf_offsetof_by_name(ZFS_STRUCT "rrwlock", "rr_linked_rcount"), 335728e4da25SMatthew Ahrens DCMD_ADDRSPEC, 0, NULL); 335828e4da25SMatthew Ahrens 335928e4da25SMatthew Ahrens /* 336028e4da25SMatthew Ahrens * XXX This should find references from 336128e4da25SMatthew Ahrens * "::walk thread | ::tsd -v <rrw_key>", but there is no support 336228e4da25SMatthew Ahrens * for programmatic consumption of dcmds, so this would be 336328e4da25SMatthew Ahrens * difficult, potentially requiring reimplementing ::tsd (both 336428e4da25SMatthew Ahrens * user and kernel versions) in this MDB module. 336528e4da25SMatthew Ahrens */ 336628e4da25SMatthew Ahrens 336728e4da25SMatthew Ahrens return (DCMD_OK); 336828e4da25SMatthew Ahrens } 336928e4da25SMatthew Ahrens 3370dcbf3bd6SGeorge Wilson typedef struct mdb_arc_buf_hdr_t { 3371dcbf3bd6SGeorge Wilson uint16_t b_psize; 3372dcbf3bd6SGeorge Wilson uint16_t b_lsize; 3373dcbf3bd6SGeorge Wilson struct { 3374dcbf3bd6SGeorge Wilson uint32_t b_bufcnt; 3375dcbf3bd6SGeorge Wilson uintptr_t b_state; 3376dcbf3bd6SGeorge Wilson uintptr_t b_pdata; 3377dcbf3bd6SGeorge Wilson } b_l1hdr; 3378dcbf3bd6SGeorge Wilson } mdb_arc_buf_hdr_t; 3379dcbf3bd6SGeorge Wilson 3380dcbf3bd6SGeorge Wilson enum arc_cflags { 3381dcbf3bd6SGeorge Wilson ARC_CFLAG_VERBOSE = 1 << 0, 3382dcbf3bd6SGeorge Wilson ARC_CFLAG_ANON = 1 << 1, 3383dcbf3bd6SGeorge Wilson ARC_CFLAG_MRU = 1 << 2, 3384dcbf3bd6SGeorge Wilson ARC_CFLAG_MFU = 1 << 3, 3385dcbf3bd6SGeorge Wilson ARC_CFLAG_BUFS = 1 << 4, 3386dcbf3bd6SGeorge Wilson }; 3387dcbf3bd6SGeorge Wilson 3388dcbf3bd6SGeorge Wilson typedef struct arc_compression_stats_data { 3389dcbf3bd6SGeorge Wilson GElf_Sym anon_sym; /* ARC_anon symbol */ 3390dcbf3bd6SGeorge Wilson GElf_Sym mru_sym; /* ARC_mru symbol */ 3391dcbf3bd6SGeorge Wilson GElf_Sym mrug_sym; /* ARC_mru_ghost symbol */ 3392dcbf3bd6SGeorge Wilson GElf_Sym mfu_sym; /* ARC_mfu symbol */ 3393dcbf3bd6SGeorge Wilson GElf_Sym mfug_sym; /* ARC_mfu_ghost symbol */ 3394dcbf3bd6SGeorge Wilson GElf_Sym l2c_sym; /* ARC_l2c_only symbol */ 3395dcbf3bd6SGeorge Wilson uint64_t *anon_c_hist; /* histogram of compressed sizes in anon */ 3396dcbf3bd6SGeorge Wilson uint64_t *anon_u_hist; /* histogram of uncompressed sizes in anon */ 3397dcbf3bd6SGeorge Wilson uint64_t *anon_bufs; /* histogram of buffer counts in anon state */ 3398dcbf3bd6SGeorge Wilson uint64_t *mru_c_hist; /* histogram of compressed sizes in mru */ 3399dcbf3bd6SGeorge Wilson uint64_t *mru_u_hist; /* histogram of uncompressed sizes in mru */ 3400dcbf3bd6SGeorge Wilson uint64_t *mru_bufs; /* histogram of buffer counts in mru */ 3401dcbf3bd6SGeorge Wilson uint64_t *mfu_c_hist; /* histogram of compressed sizes in mfu */ 3402dcbf3bd6SGeorge Wilson uint64_t *mfu_u_hist; /* histogram of uncompressed sizes in mfu */ 3403dcbf3bd6SGeorge Wilson uint64_t *mfu_bufs; /* histogram of buffer counts in mfu */ 3404dcbf3bd6SGeorge Wilson uint64_t *all_c_hist; /* histogram of compressed anon + mru + mfu */ 3405dcbf3bd6SGeorge Wilson uint64_t *all_u_hist; /* histogram of uncompressed anon + mru + mfu */ 3406dcbf3bd6SGeorge Wilson uint64_t *all_bufs; /* histogram of buffer counts in all states */ 3407dcbf3bd6SGeorge Wilson int arc_cflags; /* arc compression flags, specified by user */ 3408dcbf3bd6SGeorge Wilson int hist_nbuckets; /* number of buckets in each histogram */ 3409dcbf3bd6SGeorge Wilson } arc_compression_stats_data_t; 3410dcbf3bd6SGeorge Wilson 3411dcbf3bd6SGeorge Wilson int 3412dcbf3bd6SGeorge Wilson highbit64(uint64_t i) 3413dcbf3bd6SGeorge Wilson { 3414dcbf3bd6SGeorge Wilson int h = 1; 3415dcbf3bd6SGeorge Wilson 3416dcbf3bd6SGeorge Wilson if (i == 0) 3417dcbf3bd6SGeorge Wilson return (0); 3418dcbf3bd6SGeorge Wilson if (i & 0xffffffff00000000ULL) { 3419dcbf3bd6SGeorge Wilson h += 32; i >>= 32; 3420dcbf3bd6SGeorge Wilson } 3421dcbf3bd6SGeorge Wilson if (i & 0xffff0000) { 3422dcbf3bd6SGeorge Wilson h += 16; i >>= 16; 3423dcbf3bd6SGeorge Wilson } 3424dcbf3bd6SGeorge Wilson if (i & 0xff00) { 3425dcbf3bd6SGeorge Wilson h += 8; i >>= 8; 3426dcbf3bd6SGeorge Wilson } 3427dcbf3bd6SGeorge Wilson if (i & 0xf0) { 3428dcbf3bd6SGeorge Wilson h += 4; i >>= 4; 3429dcbf3bd6SGeorge Wilson } 3430dcbf3bd6SGeorge Wilson if (i & 0xc) { 3431dcbf3bd6SGeorge Wilson h += 2; i >>= 2; 3432dcbf3bd6SGeorge Wilson } 3433dcbf3bd6SGeorge Wilson if (i & 0x2) { 3434dcbf3bd6SGeorge Wilson h += 1; 3435dcbf3bd6SGeorge Wilson } 3436dcbf3bd6SGeorge Wilson return (h); 3437dcbf3bd6SGeorge Wilson } 3438dcbf3bd6SGeorge Wilson 3439dcbf3bd6SGeorge Wilson /* ARGSUSED */ 3440dcbf3bd6SGeorge Wilson static int 3441dcbf3bd6SGeorge Wilson arc_compression_stats_cb(uintptr_t addr, const void *unknown, void *arg) 3442dcbf3bd6SGeorge Wilson { 3443dcbf3bd6SGeorge Wilson arc_compression_stats_data_t *data = arg; 3444dcbf3bd6SGeorge Wilson mdb_arc_buf_hdr_t hdr; 3445dcbf3bd6SGeorge Wilson int cbucket, ubucket, bufcnt; 3446dcbf3bd6SGeorge Wilson 3447dcbf3bd6SGeorge Wilson if (mdb_ctf_vread(&hdr, "arc_buf_hdr_t", "mdb_arc_buf_hdr_t", 3448dcbf3bd6SGeorge Wilson addr, 0) == -1) { 3449dcbf3bd6SGeorge Wilson return (WALK_ERR); 3450dcbf3bd6SGeorge Wilson } 3451dcbf3bd6SGeorge Wilson 3452dcbf3bd6SGeorge Wilson /* 3453dcbf3bd6SGeorge Wilson * Headers in the ghost states, or the l2c_only state don't have 3454dcbf3bd6SGeorge Wilson * arc buffers linked off of them. Thus, their compressed size 3455dcbf3bd6SGeorge Wilson * is meaningless, so we skip these from the stats. 3456dcbf3bd6SGeorge Wilson */ 3457dcbf3bd6SGeorge Wilson if (hdr.b_l1hdr.b_state == data->mrug_sym.st_value || 3458dcbf3bd6SGeorge Wilson hdr.b_l1hdr.b_state == data->mfug_sym.st_value || 3459dcbf3bd6SGeorge Wilson hdr.b_l1hdr.b_state == data->l2c_sym.st_value) { 3460dcbf3bd6SGeorge Wilson return (WALK_NEXT); 3461dcbf3bd6SGeorge Wilson } 3462dcbf3bd6SGeorge Wilson 3463dcbf3bd6SGeorge Wilson /* 3464dcbf3bd6SGeorge Wilson * The physical size (compressed) and logical size 3465dcbf3bd6SGeorge Wilson * (uncompressed) are in units of SPA_MINBLOCKSIZE. By default, 3466dcbf3bd6SGeorge Wilson * we use the log2 of this value (rounded down to the nearest 3467dcbf3bd6SGeorge Wilson * integer) to determine the bucket to assign this header to. 3468dcbf3bd6SGeorge Wilson * Thus, the histogram is logarithmic with respect to the size 3469dcbf3bd6SGeorge Wilson * of the header. For example, the following is a mapping of the 3470dcbf3bd6SGeorge Wilson * bucket numbers and the range of header sizes they correspond to: 3471dcbf3bd6SGeorge Wilson * 3472dcbf3bd6SGeorge Wilson * 0: 0 byte headers 3473dcbf3bd6SGeorge Wilson * 1: 512 byte headers 3474dcbf3bd6SGeorge Wilson * 2: [1024 - 2048) byte headers 3475dcbf3bd6SGeorge Wilson * 3: [2048 - 4096) byte headers 3476dcbf3bd6SGeorge Wilson * 4: [4096 - 8192) byte headers 3477dcbf3bd6SGeorge Wilson * 5: [8192 - 16394) byte headers 3478dcbf3bd6SGeorge Wilson * 6: [16384 - 32768) byte headers 3479dcbf3bd6SGeorge Wilson * 7: [32768 - 65536) byte headers 3480dcbf3bd6SGeorge Wilson * 8: [65536 - 131072) byte headers 3481dcbf3bd6SGeorge Wilson * 9: 131072 byte headers 3482dcbf3bd6SGeorge Wilson * 3483dcbf3bd6SGeorge Wilson * If the ARC_CFLAG_VERBOSE flag was specified, we use the 3484dcbf3bd6SGeorge Wilson * physical and logical sizes directly. Thus, the histogram will 3485dcbf3bd6SGeorge Wilson * no longer be logarithmic; instead it will be linear with 3486dcbf3bd6SGeorge Wilson * respect to the size of the header. The following is a mapping 3487dcbf3bd6SGeorge Wilson * of the first many bucket numbers and the header size they 3488dcbf3bd6SGeorge Wilson * correspond to: 3489dcbf3bd6SGeorge Wilson * 3490dcbf3bd6SGeorge Wilson * 0: 0 byte headers 3491dcbf3bd6SGeorge Wilson * 1: 512 byte headers 3492dcbf3bd6SGeorge Wilson * 2: 1024 byte headers 3493dcbf3bd6SGeorge Wilson * 3: 1536 byte headers 3494dcbf3bd6SGeorge Wilson * 4: 2048 byte headers 3495dcbf3bd6SGeorge Wilson * 5: 2560 byte headers 3496dcbf3bd6SGeorge Wilson * 6: 3072 byte headers 3497dcbf3bd6SGeorge Wilson * 3498dcbf3bd6SGeorge Wilson * And so on. Keep in mind that a range of sizes isn't used in 3499dcbf3bd6SGeorge Wilson * the case of linear scale because the headers can only 3500dcbf3bd6SGeorge Wilson * increment or decrement in sizes of 512 bytes. So, it's not 3501dcbf3bd6SGeorge Wilson * possible for a header to be sized in between whats listed 3502dcbf3bd6SGeorge Wilson * above. 3503dcbf3bd6SGeorge Wilson * 3504dcbf3bd6SGeorge Wilson * Also, the above mapping values were calculated assuming a 3505dcbf3bd6SGeorge Wilson * SPA_MINBLOCKSHIFT of 512 bytes and a SPA_MAXBLOCKSIZE of 128K. 3506dcbf3bd6SGeorge Wilson */ 3507dcbf3bd6SGeorge Wilson 3508dcbf3bd6SGeorge Wilson if (data->arc_cflags & ARC_CFLAG_VERBOSE) { 3509dcbf3bd6SGeorge Wilson cbucket = hdr.b_psize; 3510dcbf3bd6SGeorge Wilson ubucket = hdr.b_lsize; 3511dcbf3bd6SGeorge Wilson } else { 3512dcbf3bd6SGeorge Wilson cbucket = highbit64(hdr.b_psize); 3513dcbf3bd6SGeorge Wilson ubucket = highbit64(hdr.b_lsize); 3514dcbf3bd6SGeorge Wilson } 3515dcbf3bd6SGeorge Wilson 3516dcbf3bd6SGeorge Wilson bufcnt = hdr.b_l1hdr.b_bufcnt; 3517dcbf3bd6SGeorge Wilson if (bufcnt >= data->hist_nbuckets) 3518dcbf3bd6SGeorge Wilson bufcnt = data->hist_nbuckets - 1; 3519dcbf3bd6SGeorge Wilson 3520dcbf3bd6SGeorge Wilson /* Ensure we stay within the bounds of the histogram array */ 3521dcbf3bd6SGeorge Wilson ASSERT3U(cbucket, <, data->hist_nbuckets); 3522dcbf3bd6SGeorge Wilson ASSERT3U(ubucket, <, data->hist_nbuckets); 3523dcbf3bd6SGeorge Wilson 3524dcbf3bd6SGeorge Wilson if (hdr.b_l1hdr.b_state == data->anon_sym.st_value) { 3525dcbf3bd6SGeorge Wilson data->anon_c_hist[cbucket]++; 3526dcbf3bd6SGeorge Wilson data->anon_u_hist[ubucket]++; 3527dcbf3bd6SGeorge Wilson data->anon_bufs[bufcnt]++; 3528dcbf3bd6SGeorge Wilson } else if (hdr.b_l1hdr.b_state == data->mru_sym.st_value) { 3529dcbf3bd6SGeorge Wilson data->mru_c_hist[cbucket]++; 3530dcbf3bd6SGeorge Wilson data->mru_u_hist[ubucket]++; 3531dcbf3bd6SGeorge Wilson data->mru_bufs[bufcnt]++; 3532dcbf3bd6SGeorge Wilson } else if (hdr.b_l1hdr.b_state == data->mfu_sym.st_value) { 3533dcbf3bd6SGeorge Wilson data->mfu_c_hist[cbucket]++; 3534dcbf3bd6SGeorge Wilson data->mfu_u_hist[ubucket]++; 3535dcbf3bd6SGeorge Wilson data->mfu_bufs[bufcnt]++; 3536dcbf3bd6SGeorge Wilson } 3537dcbf3bd6SGeorge Wilson 3538dcbf3bd6SGeorge Wilson data->all_c_hist[cbucket]++; 3539dcbf3bd6SGeorge Wilson data->all_u_hist[ubucket]++; 3540dcbf3bd6SGeorge Wilson data->all_bufs[bufcnt]++; 3541dcbf3bd6SGeorge Wilson 3542dcbf3bd6SGeorge Wilson return (WALK_NEXT); 3543dcbf3bd6SGeorge Wilson } 3544dcbf3bd6SGeorge Wilson 3545dcbf3bd6SGeorge Wilson /* ARGSUSED */ 3546dcbf3bd6SGeorge Wilson static int 3547dcbf3bd6SGeorge Wilson arc_compression_stats(uintptr_t addr, uint_t flags, int argc, 3548dcbf3bd6SGeorge Wilson const mdb_arg_t *argv) 3549dcbf3bd6SGeorge Wilson { 3550dcbf3bd6SGeorge Wilson arc_compression_stats_data_t data = { 0 }; 3551dcbf3bd6SGeorge Wilson unsigned int max_shifted = SPA_MAXBLOCKSIZE >> SPA_MINBLOCKSHIFT; 3552dcbf3bd6SGeorge Wilson unsigned int hist_size; 3553dcbf3bd6SGeorge Wilson char range[32]; 3554dcbf3bd6SGeorge Wilson int rc = DCMD_OK; 3555dcbf3bd6SGeorge Wilson 3556dcbf3bd6SGeorge Wilson if (mdb_getopts(argc, argv, 3557dcbf3bd6SGeorge Wilson 'v', MDB_OPT_SETBITS, ARC_CFLAG_VERBOSE, &data.arc_cflags, 3558dcbf3bd6SGeorge Wilson 'a', MDB_OPT_SETBITS, ARC_CFLAG_ANON, &data.arc_cflags, 3559dcbf3bd6SGeorge Wilson 'b', MDB_OPT_SETBITS, ARC_CFLAG_BUFS, &data.arc_cflags, 3560dcbf3bd6SGeorge Wilson 'r', MDB_OPT_SETBITS, ARC_CFLAG_MRU, &data.arc_cflags, 3561dcbf3bd6SGeorge Wilson 'f', MDB_OPT_SETBITS, ARC_CFLAG_MFU, &data.arc_cflags) != argc) 3562dcbf3bd6SGeorge Wilson return (DCMD_USAGE); 3563dcbf3bd6SGeorge Wilson 3564dcbf3bd6SGeorge Wilson if (mdb_lookup_by_obj(ZFS_OBJ_NAME, "ARC_anon", &data.anon_sym) || 3565dcbf3bd6SGeorge Wilson mdb_lookup_by_obj(ZFS_OBJ_NAME, "ARC_mru", &data.mru_sym) || 3566dcbf3bd6SGeorge Wilson mdb_lookup_by_obj(ZFS_OBJ_NAME, "ARC_mru_ghost", &data.mrug_sym) || 3567dcbf3bd6SGeorge Wilson mdb_lookup_by_obj(ZFS_OBJ_NAME, "ARC_mfu", &data.mfu_sym) || 3568dcbf3bd6SGeorge Wilson mdb_lookup_by_obj(ZFS_OBJ_NAME, "ARC_mfu_ghost", &data.mfug_sym) || 3569dcbf3bd6SGeorge Wilson mdb_lookup_by_obj(ZFS_OBJ_NAME, "ARC_l2c_only", &data.l2c_sym)) { 3570dcbf3bd6SGeorge Wilson mdb_warn("can't find arc state symbol"); 3571dcbf3bd6SGeorge Wilson return (DCMD_ERR); 3572dcbf3bd6SGeorge Wilson } 3573dcbf3bd6SGeorge Wilson 3574dcbf3bd6SGeorge Wilson /* 3575dcbf3bd6SGeorge Wilson * Determine the maximum expected size for any header, and use 3576dcbf3bd6SGeorge Wilson * this to determine the number of buckets needed for each 3577dcbf3bd6SGeorge Wilson * histogram. If ARC_CFLAG_VERBOSE is specified, this value is 3578dcbf3bd6SGeorge Wilson * used directly; otherwise the log2 of the maximum size is 3579dcbf3bd6SGeorge Wilson * used. Thus, if using a log2 scale there's a maximum of 10 3580dcbf3bd6SGeorge Wilson * possible buckets, while the linear scale (when using 3581dcbf3bd6SGeorge Wilson * ARC_CFLAG_VERBOSE) has a maximum of 257 buckets. 3582dcbf3bd6SGeorge Wilson */ 3583dcbf3bd6SGeorge Wilson if (data.arc_cflags & ARC_CFLAG_VERBOSE) 3584dcbf3bd6SGeorge Wilson data.hist_nbuckets = max_shifted + 1; 3585dcbf3bd6SGeorge Wilson else 3586dcbf3bd6SGeorge Wilson data.hist_nbuckets = highbit64(max_shifted) + 1; 3587dcbf3bd6SGeorge Wilson 3588dcbf3bd6SGeorge Wilson hist_size = sizeof (uint64_t) * data.hist_nbuckets; 3589dcbf3bd6SGeorge Wilson 3590dcbf3bd6SGeorge Wilson data.anon_c_hist = mdb_zalloc(hist_size, UM_SLEEP); 3591dcbf3bd6SGeorge Wilson data.anon_u_hist = mdb_zalloc(hist_size, UM_SLEEP); 3592dcbf3bd6SGeorge Wilson data.anon_bufs = mdb_zalloc(hist_size, UM_SLEEP); 3593dcbf3bd6SGeorge Wilson 3594dcbf3bd6SGeorge Wilson data.mru_c_hist = mdb_zalloc(hist_size, UM_SLEEP); 3595dcbf3bd6SGeorge Wilson data.mru_u_hist = mdb_zalloc(hist_size, UM_SLEEP); 3596dcbf3bd6SGeorge Wilson data.mru_bufs = mdb_zalloc(hist_size, UM_SLEEP); 3597dcbf3bd6SGeorge Wilson 3598dcbf3bd6SGeorge Wilson data.mfu_c_hist = mdb_zalloc(hist_size, UM_SLEEP); 3599dcbf3bd6SGeorge Wilson data.mfu_u_hist = mdb_zalloc(hist_size, UM_SLEEP); 3600dcbf3bd6SGeorge Wilson data.mfu_bufs = mdb_zalloc(hist_size, UM_SLEEP); 3601dcbf3bd6SGeorge Wilson 3602dcbf3bd6SGeorge Wilson data.all_c_hist = mdb_zalloc(hist_size, UM_SLEEP); 3603dcbf3bd6SGeorge Wilson data.all_u_hist = mdb_zalloc(hist_size, UM_SLEEP); 3604dcbf3bd6SGeorge Wilson data.all_bufs = mdb_zalloc(hist_size, UM_SLEEP); 3605dcbf3bd6SGeorge Wilson 3606dcbf3bd6SGeorge Wilson if (mdb_walk("arc_buf_hdr_t_full", arc_compression_stats_cb, 3607dcbf3bd6SGeorge Wilson &data) != 0) { 3608dcbf3bd6SGeorge Wilson mdb_warn("can't walk arc_buf_hdr's"); 3609dcbf3bd6SGeorge Wilson rc = DCMD_ERR; 3610dcbf3bd6SGeorge Wilson goto out; 3611dcbf3bd6SGeorge Wilson } 3612dcbf3bd6SGeorge Wilson 3613dcbf3bd6SGeorge Wilson if (data.arc_cflags & ARC_CFLAG_VERBOSE) { 3614dcbf3bd6SGeorge Wilson rc = mdb_snprintf(range, sizeof (range), 3615dcbf3bd6SGeorge Wilson "[n*%llu, (n+1)*%llu)", SPA_MINBLOCKSIZE, 3616dcbf3bd6SGeorge Wilson SPA_MINBLOCKSIZE); 3617dcbf3bd6SGeorge Wilson } else { 3618dcbf3bd6SGeorge Wilson rc = mdb_snprintf(range, sizeof (range), 3619dcbf3bd6SGeorge Wilson "[2^(n-1)*%llu, 2^n*%llu)", SPA_MINBLOCKSIZE, 3620dcbf3bd6SGeorge Wilson SPA_MINBLOCKSIZE); 3621dcbf3bd6SGeorge Wilson } 3622dcbf3bd6SGeorge Wilson 3623dcbf3bd6SGeorge Wilson if (rc < 0) { 3624dcbf3bd6SGeorge Wilson /* snprintf failed, abort the dcmd */ 3625dcbf3bd6SGeorge Wilson rc = DCMD_ERR; 3626dcbf3bd6SGeorge Wilson goto out; 3627dcbf3bd6SGeorge Wilson } else { 3628dcbf3bd6SGeorge Wilson /* snprintf succeeded above, reset return code */ 3629dcbf3bd6SGeorge Wilson rc = DCMD_OK; 3630dcbf3bd6SGeorge Wilson } 3631dcbf3bd6SGeorge Wilson 3632dcbf3bd6SGeorge Wilson if (data.arc_cflags & ARC_CFLAG_ANON) { 3633dcbf3bd6SGeorge Wilson if (data.arc_cflags & ARC_CFLAG_BUFS) { 3634dcbf3bd6SGeorge Wilson mdb_printf("Histogram of the number of anon buffers " 3635dcbf3bd6SGeorge Wilson "that are associated with an arc hdr.\n"); 3636dcbf3bd6SGeorge Wilson dump_histogram(data.anon_bufs, data.hist_nbuckets, 0); 3637dcbf3bd6SGeorge Wilson mdb_printf("\n"); 3638dcbf3bd6SGeorge Wilson } 3639dcbf3bd6SGeorge Wilson mdb_printf("Histogram of compressed anon buffers.\n" 3640dcbf3bd6SGeorge Wilson "Each bucket represents buffers of size: %s.\n", range); 3641dcbf3bd6SGeorge Wilson dump_histogram(data.anon_c_hist, data.hist_nbuckets, 0); 3642dcbf3bd6SGeorge Wilson mdb_printf("\n"); 3643dcbf3bd6SGeorge Wilson 3644dcbf3bd6SGeorge Wilson mdb_printf("Histogram of uncompressed anon buffers.\n" 3645dcbf3bd6SGeorge Wilson "Each bucket represents buffers of size: %s.\n", range); 3646dcbf3bd6SGeorge Wilson dump_histogram(data.anon_u_hist, data.hist_nbuckets, 0); 3647dcbf3bd6SGeorge Wilson mdb_printf("\n"); 3648dcbf3bd6SGeorge Wilson } 3649dcbf3bd6SGeorge Wilson 3650dcbf3bd6SGeorge Wilson if (data.arc_cflags & ARC_CFLAG_MRU) { 3651dcbf3bd6SGeorge Wilson if (data.arc_cflags & ARC_CFLAG_BUFS) { 3652dcbf3bd6SGeorge Wilson mdb_printf("Histogram of the number of mru buffers " 3653dcbf3bd6SGeorge Wilson "that are associated with an arc hdr.\n"); 3654dcbf3bd6SGeorge Wilson dump_histogram(data.mru_bufs, data.hist_nbuckets, 0); 3655dcbf3bd6SGeorge Wilson mdb_printf("\n"); 3656dcbf3bd6SGeorge Wilson } 3657dcbf3bd6SGeorge Wilson mdb_printf("Histogram of compressed mru buffers.\n" 3658dcbf3bd6SGeorge Wilson "Each bucket represents buffers of size: %s.\n", range); 3659dcbf3bd6SGeorge Wilson dump_histogram(data.mru_c_hist, data.hist_nbuckets, 0); 3660dcbf3bd6SGeorge Wilson mdb_printf("\n"); 3661dcbf3bd6SGeorge Wilson 3662dcbf3bd6SGeorge Wilson mdb_printf("Histogram of uncompressed mru buffers.\n" 3663dcbf3bd6SGeorge Wilson "Each bucket represents buffers of size: %s.\n", range); 3664dcbf3bd6SGeorge Wilson dump_histogram(data.mru_u_hist, data.hist_nbuckets, 0); 3665dcbf3bd6SGeorge Wilson mdb_printf("\n"); 3666dcbf3bd6SGeorge Wilson } 3667dcbf3bd6SGeorge Wilson 3668dcbf3bd6SGeorge Wilson if (data.arc_cflags & ARC_CFLAG_MFU) { 3669dcbf3bd6SGeorge Wilson if (data.arc_cflags & ARC_CFLAG_BUFS) { 3670dcbf3bd6SGeorge Wilson mdb_printf("Histogram of the number of mfu buffers " 3671dcbf3bd6SGeorge Wilson "that are associated with an arc hdr.\n"); 3672dcbf3bd6SGeorge Wilson dump_histogram(data.mfu_bufs, data.hist_nbuckets, 0); 3673dcbf3bd6SGeorge Wilson mdb_printf("\n"); 3674dcbf3bd6SGeorge Wilson } 3675dcbf3bd6SGeorge Wilson 3676dcbf3bd6SGeorge Wilson mdb_printf("Histogram of compressed mfu buffers.\n" 3677dcbf3bd6SGeorge Wilson "Each bucket represents buffers of size: %s.\n", range); 3678dcbf3bd6SGeorge Wilson dump_histogram(data.mfu_c_hist, data.hist_nbuckets, 0); 3679dcbf3bd6SGeorge Wilson mdb_printf("\n"); 3680dcbf3bd6SGeorge Wilson 3681dcbf3bd6SGeorge Wilson mdb_printf("Histogram of uncompressed mfu buffers.\n" 3682dcbf3bd6SGeorge Wilson "Each bucket represents buffers of size: %s.\n", range); 3683dcbf3bd6SGeorge Wilson dump_histogram(data.mfu_u_hist, data.hist_nbuckets, 0); 3684dcbf3bd6SGeorge Wilson mdb_printf("\n"); 3685dcbf3bd6SGeorge Wilson } 3686dcbf3bd6SGeorge Wilson 3687dcbf3bd6SGeorge Wilson if (data.arc_cflags & ARC_CFLAG_BUFS) { 3688dcbf3bd6SGeorge Wilson mdb_printf("Histogram of all buffers that " 3689dcbf3bd6SGeorge Wilson "are associated with an arc hdr.\n"); 3690dcbf3bd6SGeorge Wilson dump_histogram(data.all_bufs, data.hist_nbuckets, 0); 3691dcbf3bd6SGeorge Wilson mdb_printf("\n"); 3692dcbf3bd6SGeorge Wilson } 3693dcbf3bd6SGeorge Wilson 3694dcbf3bd6SGeorge Wilson mdb_printf("Histogram of all compressed buffers.\n" 3695dcbf3bd6SGeorge Wilson "Each bucket represents buffers of size: %s.\n", range); 3696dcbf3bd6SGeorge Wilson dump_histogram(data.all_c_hist, data.hist_nbuckets, 0); 3697dcbf3bd6SGeorge Wilson mdb_printf("\n"); 3698dcbf3bd6SGeorge Wilson 3699dcbf3bd6SGeorge Wilson mdb_printf("Histogram of all uncompressed buffers.\n" 3700dcbf3bd6SGeorge Wilson "Each bucket represents buffers of size: %s.\n", range); 3701dcbf3bd6SGeorge Wilson dump_histogram(data.all_u_hist, data.hist_nbuckets, 0); 3702dcbf3bd6SGeorge Wilson 3703dcbf3bd6SGeorge Wilson out: 3704dcbf3bd6SGeorge Wilson mdb_free(data.anon_c_hist, hist_size); 3705dcbf3bd6SGeorge Wilson mdb_free(data.anon_u_hist, hist_size); 3706dcbf3bd6SGeorge Wilson mdb_free(data.anon_bufs, hist_size); 3707dcbf3bd6SGeorge Wilson 3708dcbf3bd6SGeorge Wilson mdb_free(data.mru_c_hist, hist_size); 3709dcbf3bd6SGeorge Wilson mdb_free(data.mru_u_hist, hist_size); 3710dcbf3bd6SGeorge Wilson mdb_free(data.mru_bufs, hist_size); 3711dcbf3bd6SGeorge Wilson 3712dcbf3bd6SGeorge Wilson mdb_free(data.mfu_c_hist, hist_size); 3713dcbf3bd6SGeorge Wilson mdb_free(data.mfu_u_hist, hist_size); 3714dcbf3bd6SGeorge Wilson mdb_free(data.mfu_bufs, hist_size); 3715dcbf3bd6SGeorge Wilson 3716dcbf3bd6SGeorge Wilson mdb_free(data.all_c_hist, hist_size); 3717dcbf3bd6SGeorge Wilson mdb_free(data.all_u_hist, hist_size); 3718dcbf3bd6SGeorge Wilson mdb_free(data.all_bufs, hist_size); 3719dcbf3bd6SGeorge Wilson 3720dcbf3bd6SGeorge Wilson return (rc); 3721dcbf3bd6SGeorge Wilson } 3722dcbf3bd6SGeorge Wilson 3723fa9e4066Sahrens /* 3724fa9e4066Sahrens * MDB module linkage information: 3725fa9e4066Sahrens * 3726fa9e4066Sahrens * We declare a list of structures describing our dcmds, and a function 3727fa9e4066Sahrens * named _mdb_init to return a pointer to our module information. 3728fa9e4066Sahrens */ 3729fa9e4066Sahrens 3730fa9e4066Sahrens static const mdb_dcmd_t dcmds[] = { 373191ebeef5Sahrens { "arc", "[-bkmg]", "print ARC variables", arc_print }, 3732fa9e4066Sahrens { "blkptr", ":", "print blkptr_t", blkptr }, 3733fa9e4066Sahrens { "dbuf", ":", "print dmu_buf_impl_t", dbuf }, 3734fa9e4066Sahrens { "dbuf_stats", ":", "dbuf stats", dbuf_stats }, 3735fa9e4066Sahrens { "dbufs", 37364223fc7cSMark Shellenbaum "\t[-O objset_t*] [-n objset_name | \"mos\"] " 3737a3f829aeSBill Moore "[-o object | \"mdn\"] \n" 3738a3f829aeSBill Moore "\t[-l level] [-b blkid | \"bonus\"]", 3739a3f829aeSBill Moore "find dmu_buf_impl_t's that match specified criteria", dbufs }, 3740fa9e4066Sahrens { "abuf_find", "dva_word[0] dva_word[1]", 3741a3f829aeSBill Moore "find arc_buf_hdr_t of a specified DVA", 3742a3f829aeSBill Moore abuf_find }, 37432e4c9986SGeorge Wilson { "spa", "?[-cevmMh]\n" 37442e4c9986SGeorge Wilson "\t-c display spa config\n" 37452e4c9986SGeorge Wilson "\t-e display vdev statistics\n" 37462e4c9986SGeorge Wilson "\t-v display vdev information\n" 37472e4c9986SGeorge Wilson "\t-m display metaslab statistics\n" 37482e4c9986SGeorge Wilson "\t-M display metaslab group statistics\n" 37492e4c9986SGeorge Wilson "\t-h display histogram (requires -m or -M)\n", 37502e4c9986SGeorge Wilson "spa_t summary", spa_print }, 3751fa9e4066Sahrens { "spa_config", ":", "print spa_t configuration", spa_print_config }, 3752fa9e4066Sahrens { "spa_space", ":[-b]", "print spa_t on-disk space usage", spa_space }, 37532e4c9986SGeorge Wilson { "spa_vdevs", ":[-emMh]\n" 37542e4c9986SGeorge Wilson "\t-e display vdev statistics\n" 37552e4c9986SGeorge Wilson "\t-m dispaly metaslab statistics\n" 37562e4c9986SGeorge Wilson "\t-M display metaslab group statistic\n" 37572e4c9986SGeorge Wilson "\t-h display histogram (requires -m or -M)\n", 37582e4c9986SGeorge Wilson "given a spa_t, print vdev summary", spa_vdevs }, 3759*91e2a09fSSteve Gonczi { "vdev", ":[-remMh]\n" 3760a3f829aeSBill Moore "\t-r display recursively\n" 37612e4c9986SGeorge Wilson "\t-e display statistics\n" 3762*91e2a09fSSteve Gonczi "\t-m display metaslab statistics (top level vdev only)\n" 3763*91e2a09fSSteve Gonczi "\t-M display metaslab group statistics (top level vdev only)\n" 37642e4c9986SGeorge Wilson "\t-h display histogram (requires -m or -M)\n", 3765a3f829aeSBill Moore "vdev_t summary", vdev_print }, 37662e4c9986SGeorge Wilson { "zio", ":[-cpr]\n" 3767a3f829aeSBill Moore "\t-c display children\n" 3768a3f829aeSBill Moore "\t-p display parents\n" 3769a3f829aeSBill Moore "\t-r display recursively", 3770a3f829aeSBill Moore "zio_t summary", zio_print }, 3771ccae0b50Seschrock { "zio_state", "?", "print out all zio_t structures on system or " 3772ccae0b50Seschrock "for a particular pool", zio_state }, 377388b7b0f2SMatthew Ahrens { "zfs_blkstats", ":[-v]", 377488b7b0f2SMatthew Ahrens "given a spa_t, print block type stats from last scrub", 377588b7b0f2SMatthew Ahrens zfs_blkstats }, 3776614409b5Sahrens { "zfs_params", "", "print zfs tunable parameters", zfs_params }, 377728e4da25SMatthew Ahrens { "refcount", ":[-r]\n" 377828e4da25SMatthew Ahrens "\t-r display recently removed references", 377928e4da25SMatthew Ahrens "print refcount_t holders", refcount }, 37803f1f8012SMatthew Ahrens { "zap_leaf", "", "print zap_leaf_phys_t", zap_leaf }, 37810a586ceaSMark Shellenbaum { "zfs_aces", ":[-v]", "print all ACEs from a zfs_acl_t", 37820a586ceaSMark Shellenbaum zfs_acl_dump }, 37830a586ceaSMark Shellenbaum { "zfs_ace", ":[-v]", "print zfs_ace", zfs_ace_print }, 37840a586ceaSMark Shellenbaum { "zfs_ace0", ":[-v]", "print zfs_ace0", zfs_ace0_print }, 37850a586ceaSMark Shellenbaum { "sa_attr_table", ":", "print SA attribute table from sa_os_t", 37860a586ceaSMark Shellenbaum sa_attr_table}, 37870a586ceaSMark Shellenbaum { "sa_attr", ": attr_id", 37880a586ceaSMark Shellenbaum "print SA attribute address when given sa_handle_t", sa_attr_print}, 378928e4da25SMatthew Ahrens { "zfs_dbgmsg", ":[-va]", 37903f9d6ad7SLin Ling "print zfs debug log", dbgmsg}, 379128e4da25SMatthew Ahrens { "rrwlock", ":", 379228e4da25SMatthew Ahrens "print rrwlock_t, including readers", rrwlock}, 3793dcbf3bd6SGeorge Wilson { "arc_compression_stats", ":[-vabrf]\n" 3794dcbf3bd6SGeorge Wilson "\t-v verbose, display a linearly scaled histogram\n" 3795dcbf3bd6SGeorge Wilson "\t-a display ARC_anon state statistics individually\n" 3796dcbf3bd6SGeorge Wilson "\t-r display ARC_mru state statistics individually\n" 3797dcbf3bd6SGeorge Wilson "\t-f display ARC_mfu state statistics individually\n" 3798dcbf3bd6SGeorge Wilson "\t-b display histogram of buffer counts\n", 3799dcbf3bd6SGeorge Wilson "print a histogram of compressed arc buffer sizes", 3800dcbf3bd6SGeorge Wilson arc_compression_stats}, 3801fa9e4066Sahrens { NULL } 3802fa9e4066Sahrens }; 3803fa9e4066Sahrens 3804fa9e4066Sahrens static const mdb_walker_t walkers[] = { 3805fa9e4066Sahrens { "zms_freelist", "walk ZFS metaslab freelist", 380628e4da25SMatthew Ahrens freelist_walk_init, freelist_walk_step, NULL }, 3807fa9e4066Sahrens { "txg_list", "given any txg_list_t *, walk all entries in all txgs", 380828e4da25SMatthew Ahrens txg_list_walk_init, txg_list_walk_step, NULL }, 3809fa9e4066Sahrens { "txg_list0", "given any txg_list_t *, walk all entries in txg 0", 381028e4da25SMatthew Ahrens txg_list0_walk_init, txg_list_walk_step, NULL }, 3811fa9e4066Sahrens { "txg_list1", "given any txg_list_t *, walk all entries in txg 1", 381228e4da25SMatthew Ahrens txg_list1_walk_init, txg_list_walk_step, NULL }, 3813fa9e4066Sahrens { "txg_list2", "given any txg_list_t *, walk all entries in txg 2", 381428e4da25SMatthew Ahrens txg_list2_walk_init, txg_list_walk_step, NULL }, 3815fa9e4066Sahrens { "txg_list3", "given any txg_list_t *, walk all entries in txg 3", 381628e4da25SMatthew Ahrens txg_list3_walk_init, txg_list_walk_step, NULL }, 3817ccae0b50Seschrock { "zio", "walk all zio structures, optionally for a particular spa_t", 381828e4da25SMatthew Ahrens zio_walk_init, zio_walk_step, NULL }, 381928e4da25SMatthew Ahrens { "zio_root", 382028e4da25SMatthew Ahrens "walk all root zio_t structures, optionally for a particular spa_t", 382128e4da25SMatthew Ahrens zio_walk_init, zio_walk_root_step, NULL }, 3822fa9e4066Sahrens { "spa", "walk all spa_t entries in the namespace", 382328e4da25SMatthew Ahrens spa_walk_init, spa_walk_step, NULL }, 38245f5f7a6fSahrens { "metaslab", "given a spa_t *, walk all metaslab_t structures", 382528e4da25SMatthew Ahrens metaslab_walk_init, metaslab_walk_step, NULL }, 3826dcbf3bd6SGeorge Wilson { "multilist", "given a multilist_t *, walk all list_t structures", 3827dcbf3bd6SGeorge Wilson multilist_walk_init, multilist_walk_step, NULL }, 38280a586ceaSMark Shellenbaum { "zfs_acl_node", "given a zfs_acl_t, walk all zfs_acl_nodes", 38290a586ceaSMark Shellenbaum zfs_acl_node_walk_init, zfs_acl_node_walk_step, NULL }, 38300a586ceaSMark Shellenbaum { "zfs_acl_node_aces", "given a zfs_acl_node_t, walk all ACEs", 38310a586ceaSMark Shellenbaum zfs_acl_node_aces_walk_init, zfs_aces_walk_step, NULL }, 38320a586ceaSMark Shellenbaum { "zfs_acl_node_aces0", 38330a586ceaSMark Shellenbaum "given a zfs_acl_node_t, walk all ACEs as ace_t", 38340a586ceaSMark Shellenbaum zfs_acl_node_aces0_walk_init, zfs_aces_walk_step, NULL }, 3835fa9e4066Sahrens { NULL } 3836fa9e4066Sahrens }; 3837fa9e4066Sahrens 3838fa9e4066Sahrens static const mdb_modinfo_t modinfo = { 3839fa9e4066Sahrens MDB_API_VERSION, dcmds, walkers 3840fa9e4066Sahrens }; 3841fa9e4066Sahrens 3842fa9e4066Sahrens const mdb_modinfo_t * 3843fa9e4066Sahrens _mdb_init(void) 3844fa9e4066Sahrens { 3845fa9e4066Sahrens return (&modinfo); 3846fa9e4066Sahrens } 3847