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. 2428e4da25SMatthew Ahrens * Copyright (c) 2013 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/spa_impl.h> 40fa9e4066Sahrens #include <sys/vdev_impl.h> 413f1f8012SMatthew Ahrens #include <sys/zap_leaf.h> 423f1f8012SMatthew Ahrens #include <sys/zap_impl.h> 439966ca11SMatthew Ahrens #include <ctype.h> 440a586ceaSMark Shellenbaum #include <sys/zfs_acl.h> 450a586ceaSMark Shellenbaum #include <sys/sa_impl.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 60fa9e4066Sahrens static int 61fa9e4066Sahrens getmember(uintptr_t addr, const char *type, mdb_ctf_id_t *idp, 62fa9e4066Sahrens const char *member, int len, void *buf) 63fa9e4066Sahrens { 64fa9e4066Sahrens mdb_ctf_id_t id; 65fa9e4066Sahrens ulong_t off; 66fa9e4066Sahrens char name[64]; 67fa9e4066Sahrens 68fa9e4066Sahrens if (idp == NULL) { 69fa9e4066Sahrens if (mdb_ctf_lookup_by_name(type, &id) == -1) { 70fa9e4066Sahrens mdb_warn("couldn't find type %s", type); 71fa9e4066Sahrens return (DCMD_ERR); 72fa9e4066Sahrens } 73fa9e4066Sahrens idp = &id; 74fa9e4066Sahrens } else { 75fa9e4066Sahrens type = name; 76fa9e4066Sahrens mdb_ctf_type_name(*idp, name, sizeof (name)); 77fa9e4066Sahrens } 78fa9e4066Sahrens 79fa9e4066Sahrens if (mdb_ctf_offsetof(*idp, member, &off) == -1) { 80fa9e4066Sahrens mdb_warn("couldn't find member %s of type %s\n", member, type); 81fa9e4066Sahrens return (DCMD_ERR); 82fa9e4066Sahrens } 83fa9e4066Sahrens if (off % 8 != 0) { 84fa9e4066Sahrens mdb_warn("member %s of type %s is unsupported bitfield", 85fa9e4066Sahrens member, type); 86fa9e4066Sahrens return (DCMD_ERR); 87fa9e4066Sahrens } 88fa9e4066Sahrens off /= 8; 89fa9e4066Sahrens 90fa9e4066Sahrens if (mdb_vread(buf, len, addr + off) == -1) { 91fa9e4066Sahrens mdb_warn("failed to read %s from %s at %p", 92fa9e4066Sahrens member, type, addr + off); 93fa9e4066Sahrens return (DCMD_ERR); 94fa9e4066Sahrens } 95fa9e4066Sahrens /* mdb_warn("read %s from %s at %p+%llx\n", member, type, addr, off); */ 96fa9e4066Sahrens 97fa9e4066Sahrens return (0); 98fa9e4066Sahrens } 99fa9e4066Sahrens 10028e4da25SMatthew Ahrens #define GETMEMB(addr, structname, member, dest) \ 10128e4da25SMatthew Ahrens getmember(addr, ZFS_STRUCT structname, NULL, #member, \ 10228e4da25SMatthew Ahrens sizeof (dest), &(dest)) 103fa9e4066Sahrens 104fa9e4066Sahrens #define GETMEMBID(addr, ctfid, member, dest) \ 105fa9e4066Sahrens getmember(addr, NULL, ctfid, #member, sizeof (dest), &(dest)) 106fa9e4066Sahrens 1073f9d6ad7SLin Ling static boolean_t 1083f9d6ad7SLin Ling strisprint(const char *cp) 1093f9d6ad7SLin Ling { 1103f9d6ad7SLin Ling for (; *cp; cp++) { 1113f9d6ad7SLin Ling if (!isprint(*cp)) 1123f9d6ad7SLin Ling return (B_FALSE); 1133f9d6ad7SLin Ling } 1143f9d6ad7SLin Ling return (B_TRUE); 1153f9d6ad7SLin Ling } 1163f9d6ad7SLin Ling 117fa9e4066Sahrens static int verbose; 118fa9e4066Sahrens 119fa9e4066Sahrens static int 120fa9e4066Sahrens freelist_walk_init(mdb_walk_state_t *wsp) 121fa9e4066Sahrens { 122fa9e4066Sahrens if (wsp->walk_addr == NULL) { 123fa9e4066Sahrens mdb_warn("must supply starting address\n"); 124fa9e4066Sahrens return (WALK_ERR); 125fa9e4066Sahrens } 126fa9e4066Sahrens 127fa9e4066Sahrens wsp->walk_data = 0; /* Index into the freelist */ 128fa9e4066Sahrens return (WALK_NEXT); 129fa9e4066Sahrens } 130fa9e4066Sahrens 131fa9e4066Sahrens static int 132fa9e4066Sahrens freelist_walk_step(mdb_walk_state_t *wsp) 133fa9e4066Sahrens { 134fa9e4066Sahrens uint64_t entry; 135fa9e4066Sahrens uintptr_t number = (uintptr_t)wsp->walk_data; 1368053a263Sck char *ddata[] = { "ALLOC", "FREE", "CONDENSE", "INVALID", 1378053a263Sck "INVALID", "INVALID", "INVALID", "INVALID" }; 138fa9e4066Sahrens int mapshift = SPA_MINBLOCKSHIFT; 139fa9e4066Sahrens 140fa9e4066Sahrens if (mdb_vread(&entry, sizeof (entry), wsp->walk_addr) == -1) { 141fa9e4066Sahrens mdb_warn("failed to read freelist entry %p", wsp->walk_addr); 142fa9e4066Sahrens return (WALK_DONE); 143fa9e4066Sahrens } 144fa9e4066Sahrens wsp->walk_addr += sizeof (entry); 145fa9e4066Sahrens wsp->walk_data = (void *)(number + 1); 146fa9e4066Sahrens 147fa9e4066Sahrens if (SM_DEBUG_DECODE(entry)) { 148fa9e4066Sahrens mdb_printf("DEBUG: %3u %10s: txg=%llu pass=%llu\n", 149fa9e4066Sahrens number, 150fa9e4066Sahrens ddata[SM_DEBUG_ACTION_DECODE(entry)], 151fa9e4066Sahrens SM_DEBUG_TXG_DECODE(entry), 152fa9e4066Sahrens SM_DEBUG_SYNCPASS_DECODE(entry)); 153fa9e4066Sahrens } else { 154fa9e4066Sahrens mdb_printf("Entry: %3u offsets=%08llx-%08llx type=%c " 155fa9e4066Sahrens "size=%06llx", number, 156fa9e4066Sahrens SM_OFFSET_DECODE(entry) << mapshift, 157fa9e4066Sahrens (SM_OFFSET_DECODE(entry) + SM_RUN_DECODE(entry)) << 158fa9e4066Sahrens mapshift, 159fa9e4066Sahrens SM_TYPE_DECODE(entry) == SM_ALLOC ? 'A' : 'F', 160fa9e4066Sahrens SM_RUN_DECODE(entry) << mapshift); 161fa9e4066Sahrens if (verbose) 162fa9e4066Sahrens mdb_printf(" (raw=%012llx)\n", entry); 163fa9e4066Sahrens mdb_printf("\n"); 164fa9e4066Sahrens } 165fa9e4066Sahrens return (WALK_NEXT); 166fa9e4066Sahrens } 167fa9e4066Sahrens 168fa9e4066Sahrens static int 16928e4da25SMatthew Ahrens mdb_dsl_dir_name(uintptr_t addr, char *buf) 170fa9e4066Sahrens { 171fa9e4066Sahrens static int gotid; 172fa9e4066Sahrens static mdb_ctf_id_t dd_id; 173fa9e4066Sahrens uintptr_t dd_parent; 174fa9e4066Sahrens char dd_myname[MAXNAMELEN]; 175fa9e4066Sahrens 176fa9e4066Sahrens if (!gotid) { 17728e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "dsl_dir", 178fa9e4066Sahrens &dd_id) == -1) { 179fa9e4066Sahrens mdb_warn("couldn't find struct dsl_dir"); 180fa9e4066Sahrens return (DCMD_ERR); 181fa9e4066Sahrens } 182fa9e4066Sahrens gotid = TRUE; 183fa9e4066Sahrens } 184fa9e4066Sahrens if (GETMEMBID(addr, &dd_id, dd_parent, dd_parent) || 185fa9e4066Sahrens GETMEMBID(addr, &dd_id, dd_myname, dd_myname)) { 186fa9e4066Sahrens return (DCMD_ERR); 187fa9e4066Sahrens } 188fa9e4066Sahrens 189fa9e4066Sahrens if (dd_parent) { 19028e4da25SMatthew Ahrens if (mdb_dsl_dir_name(dd_parent, buf)) 191fa9e4066Sahrens return (DCMD_ERR); 192fa9e4066Sahrens strcat(buf, "/"); 193fa9e4066Sahrens } 194fa9e4066Sahrens 195fa9e4066Sahrens if (dd_myname[0]) 196fa9e4066Sahrens strcat(buf, dd_myname); 197fa9e4066Sahrens else 198fa9e4066Sahrens strcat(buf, "???"); 199fa9e4066Sahrens 200fa9e4066Sahrens return (0); 201fa9e4066Sahrens } 202fa9e4066Sahrens 203fa9e4066Sahrens static int 204fa9e4066Sahrens objset_name(uintptr_t addr, char *buf) 205fa9e4066Sahrens { 206fa9e4066Sahrens static int gotid; 2074223fc7cSMark Shellenbaum static mdb_ctf_id_t os_id, ds_id; 208fa9e4066Sahrens uintptr_t os_dsl_dataset; 209fa9e4066Sahrens char ds_snapname[MAXNAMELEN]; 210fa9e4066Sahrens uintptr_t ds_dir; 211fa9e4066Sahrens 212fa9e4066Sahrens buf[0] = '\0'; 213fa9e4066Sahrens 214fa9e4066Sahrens if (!gotid) { 21528e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "objset", 2164223fc7cSMark Shellenbaum &os_id) == -1) { 2174223fc7cSMark Shellenbaum mdb_warn("couldn't find struct objset"); 218fa9e4066Sahrens return (DCMD_ERR); 219fa9e4066Sahrens } 22028e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "dsl_dataset", 221fa9e4066Sahrens &ds_id) == -1) { 222fa9e4066Sahrens mdb_warn("couldn't find struct dsl_dataset"); 223fa9e4066Sahrens return (DCMD_ERR); 224fa9e4066Sahrens } 225fa9e4066Sahrens 226fa9e4066Sahrens gotid = TRUE; 227fa9e4066Sahrens } 228fa9e4066Sahrens 2294223fc7cSMark Shellenbaum if (GETMEMBID(addr, &os_id, os_dsl_dataset, os_dsl_dataset)) 230fa9e4066Sahrens return (DCMD_ERR); 231fa9e4066Sahrens 232fa9e4066Sahrens if (os_dsl_dataset == 0) { 233fa9e4066Sahrens strcat(buf, "mos"); 234fa9e4066Sahrens return (0); 235fa9e4066Sahrens } 236fa9e4066Sahrens 237fa9e4066Sahrens if (GETMEMBID(os_dsl_dataset, &ds_id, ds_snapname, ds_snapname) || 238fa9e4066Sahrens GETMEMBID(os_dsl_dataset, &ds_id, ds_dir, ds_dir)) { 239fa9e4066Sahrens return (DCMD_ERR); 240fa9e4066Sahrens } 241fa9e4066Sahrens 24228e4da25SMatthew Ahrens if (ds_dir && mdb_dsl_dir_name(ds_dir, buf)) 243fa9e4066Sahrens return (DCMD_ERR); 244fa9e4066Sahrens 245fa9e4066Sahrens if (ds_snapname[0]) { 246fa9e4066Sahrens strcat(buf, "@"); 247fa9e4066Sahrens strcat(buf, ds_snapname); 248fa9e4066Sahrens } 249fa9e4066Sahrens return (0); 250fa9e4066Sahrens } 251fa9e4066Sahrens 252fa9e4066Sahrens static void 253fa9e4066Sahrens enum_lookup(char *out, size_t size, mdb_ctf_id_t id, int val, 254fa9e4066Sahrens const char *prefix) 255fa9e4066Sahrens { 256fa9e4066Sahrens const char *cp; 257fa9e4066Sahrens size_t len = strlen(prefix); 258fa9e4066Sahrens 259fa9e4066Sahrens if ((cp = mdb_ctf_enum_name(id, val)) != NULL) { 260fa9e4066Sahrens if (strncmp(cp, prefix, len) == 0) 261fa9e4066Sahrens cp += len; 262fa9e4066Sahrens (void) strncpy(out, cp, size); 263fa9e4066Sahrens } else { 264fa9e4066Sahrens mdb_snprintf(out, size, "? (%d)", val); 265fa9e4066Sahrens } 266fa9e4066Sahrens } 267fa9e4066Sahrens 268614409b5Sahrens /* ARGSUSED */ 269614409b5Sahrens static int 270614409b5Sahrens zfs_params(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 271614409b5Sahrens { 272614409b5Sahrens /* 273614409b5Sahrens * This table can be approximately generated by running: 274614409b5Sahrens * egrep "^[a-z0-9_]+ [a-z0-9_]+( =.*)?;" *.c | cut -d ' ' -f 2 275614409b5Sahrens */ 276614409b5Sahrens static const char *params[] = { 277614409b5Sahrens "arc_reduce_dnlc_percent", 278614409b5Sahrens "zfs_arc_max", 279614409b5Sahrens "zfs_arc_min", 28049e3519aSmaybee "arc_shrink_shift", 281614409b5Sahrens "zfs_mdcomp_disable", 282614409b5Sahrens "zfs_prefetch_disable", 283614409b5Sahrens "zfetch_max_streams", 284614409b5Sahrens "zfetch_min_sec_reap", 285614409b5Sahrens "zfetch_block_cap", 286614409b5Sahrens "zfetch_array_rd_sz", 287614409b5Sahrens "zfs_default_bs", 288614409b5Sahrens "zfs_default_ibs", 289614409b5Sahrens "metaslab_aliquot", 290614409b5Sahrens "reference_tracking_enable", 291614409b5Sahrens "reference_history", 292614409b5Sahrens "spa_max_replication_override", 293b24ab676SJeff Bonwick "spa_mode_global", 294614409b5Sahrens "zfs_flags", 295beb56283SShampavman "zfs_txg_synctime_ms", 2961ab7f2deSmaybee "zfs_txg_timeout", 2971ab7f2deSmaybee "zfs_write_limit_min", 2981ab7f2deSmaybee "zfs_write_limit_max", 2991ab7f2deSmaybee "zfs_write_limit_shift", 3001ab7f2deSmaybee "zfs_write_limit_override", 3011ab7f2deSmaybee "zfs_no_write_throttle", 302614409b5Sahrens "zfs_vdev_cache_max", 303614409b5Sahrens "zfs_vdev_cache_size", 304614409b5Sahrens "zfs_vdev_cache_bshift", 305614409b5Sahrens "vdev_mirror_shift", 306614409b5Sahrens "zfs_vdev_max_pending", 307614409b5Sahrens "zfs_vdev_min_pending", 308614409b5Sahrens "zfs_scrub_limit", 309b16da2e2SGeorge Wilson "zfs_no_scrub_io", 310b16da2e2SGeorge Wilson "zfs_no_scrub_prefetch", 311614409b5Sahrens "zfs_vdev_time_shift", 312614409b5Sahrens "zfs_vdev_ramp_rate", 313614409b5Sahrens "zfs_vdev_aggregation_limit", 314614409b5Sahrens "fzap_default_block_shift", 315614409b5Sahrens "zfs_immediate_write_sz", 316614409b5Sahrens "zfs_read_chunk_size", 317614409b5Sahrens "zfs_nocacheflush", 31855da60b9SMark J Musante "zil_replay_disable", 3191ab7f2deSmaybee "metaslab_gang_bang", 320d6e555bdSGeorge Wilson "metaslab_df_alloc_threshold", 321d6e555bdSGeorge Wilson "metaslab_df_free_pct", 322614409b5Sahrens "zio_injection_enabled", 323614409b5Sahrens "zvol_immediate_write_sz", 324614409b5Sahrens }; 325614409b5Sahrens 326b24ab676SJeff Bonwick for (int i = 0; i < sizeof (params) / sizeof (params[0]); i++) { 327614409b5Sahrens int sz; 328614409b5Sahrens uint64_t val64; 329614409b5Sahrens uint32_t *val32p = (uint32_t *)&val64; 330614409b5Sahrens 331614409b5Sahrens sz = mdb_readvar(&val64, params[i]); 332614409b5Sahrens if (sz == 4) { 333614409b5Sahrens mdb_printf("%s = 0x%x\n", params[i], *val32p); 334614409b5Sahrens } else if (sz == 8) { 335614409b5Sahrens mdb_printf("%s = 0x%llx\n", params[i], val64); 336614409b5Sahrens } else { 337614409b5Sahrens mdb_warn("variable %s not found", params[i]); 338614409b5Sahrens } 339614409b5Sahrens } 340614409b5Sahrens 341614409b5Sahrens return (DCMD_OK); 342614409b5Sahrens } 343614409b5Sahrens 344fa9e4066Sahrens /* ARGSUSED */ 345fa9e4066Sahrens static int 346fa9e4066Sahrens blkptr(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 347fa9e4066Sahrens { 348b24ab676SJeff Bonwick mdb_ctf_id_t type_enum, checksum_enum, compress_enum; 349b24ab676SJeff Bonwick char type[80], checksum[80], compress[80]; 350b24ab676SJeff Bonwick blkptr_t blk, *bp = &blk; 351b24ab676SJeff Bonwick char buf[BP_SPRINTF_LEN]; 352fa9e4066Sahrens 353b24ab676SJeff Bonwick if (mdb_vread(&blk, sizeof (blkptr_t), addr) == -1) { 354fa9e4066Sahrens mdb_warn("failed to read blkptr_t"); 355fa9e4066Sahrens return (DCMD_ERR); 356fa9e4066Sahrens } 357fa9e4066Sahrens 358b24ab676SJeff Bonwick if (mdb_ctf_lookup_by_name("enum dmu_object_type", &type_enum) == -1 || 359b24ab676SJeff Bonwick mdb_ctf_lookup_by_name("enum zio_checksum", &checksum_enum) == -1 || 360b24ab676SJeff Bonwick mdb_ctf_lookup_by_name("enum zio_compress", &compress_enum) == -1) { 361b24ab676SJeff Bonwick mdb_warn("Could not find blkptr enumerated types"); 362fa9e4066Sahrens return (DCMD_ERR); 363fa9e4066Sahrens } 364fa9e4066Sahrens 365b24ab676SJeff Bonwick enum_lookup(type, sizeof (type), type_enum, 366b24ab676SJeff Bonwick BP_GET_TYPE(bp), "DMU_OT_"); 367b24ab676SJeff Bonwick enum_lookup(checksum, sizeof (checksum), checksum_enum, 368b24ab676SJeff Bonwick BP_GET_CHECKSUM(bp), "ZIO_CHECKSUM_"); 369b24ab676SJeff Bonwick enum_lookup(compress, sizeof (compress), compress_enum, 370b24ab676SJeff Bonwick BP_GET_COMPRESS(bp), "ZIO_COMPRESS_"); 371fa9e4066Sahrens 372b24ab676SJeff Bonwick SPRINTF_BLKPTR(mdb_snprintf, '\n', buf, bp, type, checksum, compress); 373fa9e4066Sahrens 374b24ab676SJeff Bonwick mdb_printf("%s\n", buf); 375fa9e4066Sahrens 376fa9e4066Sahrens return (DCMD_OK); 377fa9e4066Sahrens } 378fa9e4066Sahrens 37928e4da25SMatthew Ahrens typedef struct mdb_dmu_buf_impl { 38028e4da25SMatthew Ahrens struct { 38128e4da25SMatthew Ahrens uint64_t db_object; 38228e4da25SMatthew Ahrens } db; 383*d5ee8a13SMatthew Ahrens uintptr_t db_objset; 38428e4da25SMatthew Ahrens uint64_t db_level; 38528e4da25SMatthew Ahrens uint64_t db_blkid; 38628e4da25SMatthew Ahrens struct { 38728e4da25SMatthew Ahrens uint64_t rc_count; 38828e4da25SMatthew Ahrens } db_holds; 38928e4da25SMatthew Ahrens } mdb_dmu_buf_impl_t; 39028e4da25SMatthew Ahrens 391fa9e4066Sahrens /* ARGSUSED */ 392fa9e4066Sahrens static int 393fa9e4066Sahrens dbuf(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 394fa9e4066Sahrens { 39528e4da25SMatthew Ahrens mdb_dmu_buf_impl_t db; 396fa9e4066Sahrens char objectname[32]; 397fa9e4066Sahrens char blkidname[32]; 398fa9e4066Sahrens char path[MAXNAMELEN]; 399fa9e4066Sahrens 40028e4da25SMatthew Ahrens if (DCMD_HDRSPEC(flags)) 401fa9e4066Sahrens mdb_printf(" addr object lvl blkid holds os\n"); 402fa9e4066Sahrens 40328e4da25SMatthew Ahrens if (mdb_ctf_vread(&db, ZFS_STRUCT "dmu_buf_impl", "mdb_dmu_buf_impl_t", 40428e4da25SMatthew Ahrens addr, 0) == -1) 405fa9e4066Sahrens return (DCMD_ERR); 406fa9e4066Sahrens 40728e4da25SMatthew Ahrens if (db.db.db_object == DMU_META_DNODE_OBJECT) 408fa9e4066Sahrens (void) strcpy(objectname, "mdn"); 409fa9e4066Sahrens else 410fa9e4066Sahrens (void) mdb_snprintf(objectname, sizeof (objectname), "%llx", 41128e4da25SMatthew Ahrens (u_longlong_t)db.db.db_object); 412fa9e4066Sahrens 41328e4da25SMatthew Ahrens if (db.db_blkid == DMU_BONUS_BLKID) 414fa9e4066Sahrens (void) strcpy(blkidname, "bonus"); 415fa9e4066Sahrens else 416fa9e4066Sahrens (void) mdb_snprintf(blkidname, sizeof (blkidname), "%llx", 41728e4da25SMatthew Ahrens (u_longlong_t)db.db_blkid); 418fa9e4066Sahrens 419*d5ee8a13SMatthew Ahrens if (objset_name(db.db_objset, path)) { 42028e4da25SMatthew Ahrens return (DCMD_ERR); 421fa9e4066Sahrens } 422fa9e4066Sahrens 42328e4da25SMatthew Ahrens mdb_printf("%p %8s %1u %9s %2llu %s\n", addr, 42428e4da25SMatthew Ahrens objectname, (int)db.db_level, blkidname, 42528e4da25SMatthew Ahrens db.db_holds.rc_count, path); 426fa9e4066Sahrens 427fa9e4066Sahrens return (DCMD_OK); 428fa9e4066Sahrens } 429fa9e4066Sahrens 430fa9e4066Sahrens /* ARGSUSED */ 431fa9e4066Sahrens static int 432fa9e4066Sahrens dbuf_stats(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 433fa9e4066Sahrens { 434fa9e4066Sahrens #define HISTOSZ 32 435fa9e4066Sahrens uintptr_t dbp; 436fa9e4066Sahrens dmu_buf_impl_t db; 437fa9e4066Sahrens dbuf_hash_table_t ht; 438fa9e4066Sahrens uint64_t bucket, ndbufs; 439fa9e4066Sahrens uint64_t histo[HISTOSZ]; 440fa9e4066Sahrens uint64_t histo2[HISTOSZ]; 441fa9e4066Sahrens int i, maxidx; 442fa9e4066Sahrens 443fa9e4066Sahrens if (mdb_readvar(&ht, "dbuf_hash_table") == -1) { 444fa9e4066Sahrens mdb_warn("failed to read 'dbuf_hash_table'"); 445fa9e4066Sahrens return (DCMD_ERR); 446fa9e4066Sahrens } 447fa9e4066Sahrens 448fa9e4066Sahrens for (i = 0; i < HISTOSZ; i++) { 449fa9e4066Sahrens histo[i] = 0; 450fa9e4066Sahrens histo2[i] = 0; 451fa9e4066Sahrens } 452fa9e4066Sahrens 453fa9e4066Sahrens ndbufs = 0; 454fa9e4066Sahrens for (bucket = 0; bucket < ht.hash_table_mask+1; bucket++) { 455fa9e4066Sahrens int len; 456fa9e4066Sahrens 457fa9e4066Sahrens if (mdb_vread(&dbp, sizeof (void *), 458fa9e4066Sahrens (uintptr_t)(ht.hash_table+bucket)) == -1) { 459fa9e4066Sahrens mdb_warn("failed to read hash bucket %u at %p", 460fa9e4066Sahrens bucket, ht.hash_table+bucket); 461fa9e4066Sahrens return (DCMD_ERR); 462fa9e4066Sahrens } 463fa9e4066Sahrens 464fa9e4066Sahrens len = 0; 465fa9e4066Sahrens while (dbp != 0) { 466fa9e4066Sahrens if (mdb_vread(&db, sizeof (dmu_buf_impl_t), 467fa9e4066Sahrens dbp) == -1) { 468fa9e4066Sahrens mdb_warn("failed to read dbuf at %p", dbp); 469fa9e4066Sahrens return (DCMD_ERR); 470fa9e4066Sahrens } 471fa9e4066Sahrens dbp = (uintptr_t)db.db_hash_next; 472fa9e4066Sahrens for (i = MIN(len, HISTOSZ - 1); i >= 0; i--) 473fa9e4066Sahrens histo2[i]++; 474fa9e4066Sahrens len++; 475fa9e4066Sahrens ndbufs++; 476fa9e4066Sahrens } 477fa9e4066Sahrens 478fa9e4066Sahrens if (len >= HISTOSZ) 479fa9e4066Sahrens len = HISTOSZ-1; 480fa9e4066Sahrens histo[len]++; 481fa9e4066Sahrens } 482fa9e4066Sahrens 483fa9e4066Sahrens mdb_printf("hash table has %llu buckets, %llu dbufs " 484fa9e4066Sahrens "(avg %llu buckets/dbuf)\n", 485fa9e4066Sahrens ht.hash_table_mask+1, ndbufs, 486fa9e4066Sahrens (ht.hash_table_mask+1)/ndbufs); 487fa9e4066Sahrens 488fa9e4066Sahrens mdb_printf("\n"); 489fa9e4066Sahrens maxidx = 0; 490fa9e4066Sahrens for (i = 0; i < HISTOSZ; i++) 491fa9e4066Sahrens if (histo[i] > 0) 492fa9e4066Sahrens maxidx = i; 493fa9e4066Sahrens mdb_printf("hash chain length number of buckets\n"); 494fa9e4066Sahrens for (i = 0; i <= maxidx; i++) 495fa9e4066Sahrens mdb_printf("%u %llu\n", i, histo[i]); 496fa9e4066Sahrens 497fa9e4066Sahrens mdb_printf("\n"); 498fa9e4066Sahrens maxidx = 0; 499fa9e4066Sahrens for (i = 0; i < HISTOSZ; i++) 500fa9e4066Sahrens if (histo2[i] > 0) 501fa9e4066Sahrens maxidx = i; 502fa9e4066Sahrens mdb_printf("hash chain depth number of dbufs\n"); 503fa9e4066Sahrens for (i = 0; i <= maxidx; i++) 504fa9e4066Sahrens mdb_printf("%u or more %llu %llu%%\n", 505fa9e4066Sahrens i, histo2[i], histo2[i]*100/ndbufs); 506fa9e4066Sahrens 507fa9e4066Sahrens 508fa9e4066Sahrens return (DCMD_OK); 509fa9e4066Sahrens } 510fa9e4066Sahrens 5113f1f8012SMatthew Ahrens #define CHAIN_END 0xffff 5123f1f8012SMatthew Ahrens /* 5133f1f8012SMatthew Ahrens * ::zap_leaf [-v] 5143f1f8012SMatthew Ahrens * 5153f1f8012SMatthew Ahrens * Print a zap_leaf_phys_t, assumed to be 16k 5163f1f8012SMatthew Ahrens */ 5173f1f8012SMatthew Ahrens /* ARGSUSED */ 5183f1f8012SMatthew Ahrens static int 5193f1f8012SMatthew Ahrens zap_leaf(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 5203f1f8012SMatthew Ahrens { 5213f1f8012SMatthew Ahrens char buf[16*1024]; 5223f1f8012SMatthew Ahrens int verbose = B_FALSE; 5233f1f8012SMatthew Ahrens int four = B_FALSE; 5243f1f8012SMatthew Ahrens zap_leaf_t l; 5253f1f8012SMatthew Ahrens zap_leaf_phys_t *zlp = (void *)buf; 5263f1f8012SMatthew Ahrens int i; 5273f1f8012SMatthew Ahrens 5283f1f8012SMatthew Ahrens if (mdb_getopts(argc, argv, 5293f1f8012SMatthew Ahrens 'v', MDB_OPT_SETBITS, TRUE, &verbose, 5303f1f8012SMatthew Ahrens '4', MDB_OPT_SETBITS, TRUE, &four, 5313f1f8012SMatthew Ahrens NULL) != argc) 5323f1f8012SMatthew Ahrens return (DCMD_USAGE); 5333f1f8012SMatthew Ahrens 5343f1f8012SMatthew Ahrens l.l_phys = zlp; 5353f1f8012SMatthew Ahrens l.l_bs = 14; /* assume 16k blocks */ 5363f1f8012SMatthew Ahrens if (four) 5373f1f8012SMatthew Ahrens l.l_bs = 12; 5383f1f8012SMatthew Ahrens 5393f1f8012SMatthew Ahrens if (!(flags & DCMD_ADDRSPEC)) { 5403f1f8012SMatthew Ahrens return (DCMD_USAGE); 5413f1f8012SMatthew Ahrens } 5423f1f8012SMatthew Ahrens 5433f1f8012SMatthew Ahrens if (mdb_vread(buf, sizeof (buf), addr) == -1) { 5443f1f8012SMatthew Ahrens mdb_warn("failed to read zap_leaf_phys_t at %p", addr); 5453f1f8012SMatthew Ahrens return (DCMD_ERR); 5463f1f8012SMatthew Ahrens } 5473f1f8012SMatthew Ahrens 5483f1f8012SMatthew Ahrens if (zlp->l_hdr.lh_block_type != ZBT_LEAF || 5493f1f8012SMatthew Ahrens zlp->l_hdr.lh_magic != ZAP_LEAF_MAGIC) { 5503f1f8012SMatthew Ahrens mdb_warn("This does not appear to be a zap_leaf_phys_t"); 5513f1f8012SMatthew Ahrens return (DCMD_ERR); 5523f1f8012SMatthew Ahrens } 5533f1f8012SMatthew Ahrens 5543f1f8012SMatthew Ahrens mdb_printf("zap_leaf_phys_t at %p:\n", addr); 5553f1f8012SMatthew Ahrens mdb_printf(" lh_prefix_len = %u\n", zlp->l_hdr.lh_prefix_len); 5563f1f8012SMatthew Ahrens mdb_printf(" lh_prefix = %llx\n", zlp->l_hdr.lh_prefix); 5573f1f8012SMatthew Ahrens mdb_printf(" lh_nentries = %u\n", zlp->l_hdr.lh_nentries); 5583f1f8012SMatthew Ahrens mdb_printf(" lh_nfree = %u\n", zlp->l_hdr.lh_nfree, 5593f1f8012SMatthew Ahrens zlp->l_hdr.lh_nfree * 100 / (ZAP_LEAF_NUMCHUNKS(&l))); 5603f1f8012SMatthew Ahrens mdb_printf(" lh_freelist = %u\n", zlp->l_hdr.lh_freelist); 5613f1f8012SMatthew Ahrens mdb_printf(" lh_flags = %x (%s)\n", zlp->l_hdr.lh_flags, 5623f1f8012SMatthew Ahrens zlp->l_hdr.lh_flags & ZLF_ENTRIES_CDSORTED ? 5633f1f8012SMatthew Ahrens "ENTRIES_CDSORTED" : ""); 5643f1f8012SMatthew Ahrens 5653f1f8012SMatthew Ahrens if (verbose) { 5663f1f8012SMatthew Ahrens mdb_printf(" hash table:\n"); 5673f1f8012SMatthew Ahrens for (i = 0; i < ZAP_LEAF_HASH_NUMENTRIES(&l); i++) { 5683f1f8012SMatthew Ahrens if (zlp->l_hash[i] != CHAIN_END) 5693f1f8012SMatthew Ahrens mdb_printf(" %u: %u\n", i, zlp->l_hash[i]); 5703f1f8012SMatthew Ahrens } 5713f1f8012SMatthew Ahrens } 5723f1f8012SMatthew Ahrens 5733f1f8012SMatthew Ahrens mdb_printf(" chunks:\n"); 5743f1f8012SMatthew Ahrens for (i = 0; i < ZAP_LEAF_NUMCHUNKS(&l); i++) { 5753f1f8012SMatthew Ahrens /* LINTED: alignment */ 5763f1f8012SMatthew Ahrens zap_leaf_chunk_t *zlc = &ZAP_LEAF_CHUNK(&l, i); 5773f1f8012SMatthew Ahrens switch (zlc->l_entry.le_type) { 5783f1f8012SMatthew Ahrens case ZAP_CHUNK_FREE: 5793f1f8012SMatthew Ahrens if (verbose) { 5803f1f8012SMatthew Ahrens mdb_printf(" %u: free; lf_next = %u\n", 5813f1f8012SMatthew Ahrens i, zlc->l_free.lf_next); 5823f1f8012SMatthew Ahrens } 5833f1f8012SMatthew Ahrens break; 5843f1f8012SMatthew Ahrens case ZAP_CHUNK_ENTRY: 5853f1f8012SMatthew Ahrens mdb_printf(" %u: entry\n", i); 5863f1f8012SMatthew Ahrens if (verbose) { 5873f1f8012SMatthew Ahrens mdb_printf(" le_next = %u\n", 5883f1f8012SMatthew Ahrens zlc->l_entry.le_next); 5893f1f8012SMatthew Ahrens } 5903f1f8012SMatthew Ahrens mdb_printf(" le_name_chunk = %u\n", 5913f1f8012SMatthew Ahrens zlc->l_entry.le_name_chunk); 5923f1f8012SMatthew Ahrens mdb_printf(" le_name_numints = %u\n", 5933f1f8012SMatthew Ahrens zlc->l_entry.le_name_numints); 5943f1f8012SMatthew Ahrens mdb_printf(" le_value_chunk = %u\n", 5953f1f8012SMatthew Ahrens zlc->l_entry.le_value_chunk); 5963f1f8012SMatthew Ahrens mdb_printf(" le_value_intlen = %u\n", 5973f1f8012SMatthew Ahrens zlc->l_entry.le_value_intlen); 5983f1f8012SMatthew Ahrens mdb_printf(" le_value_numints = %u\n", 5993f1f8012SMatthew Ahrens zlc->l_entry.le_value_numints); 6003f1f8012SMatthew Ahrens mdb_printf(" le_cd = %u\n", 6013f1f8012SMatthew Ahrens zlc->l_entry.le_cd); 6023f1f8012SMatthew Ahrens mdb_printf(" le_hash = %llx\n", 6033f1f8012SMatthew Ahrens zlc->l_entry.le_hash); 6043f1f8012SMatthew Ahrens break; 6053f1f8012SMatthew Ahrens case ZAP_CHUNK_ARRAY: 6063f9d6ad7SLin Ling mdb_printf(" %u: array", i); 6073f9d6ad7SLin Ling if (strisprint((char *)zlc->l_array.la_array)) 6083f9d6ad7SLin Ling mdb_printf(" \"%s\"", zlc->l_array.la_array); 6093f9d6ad7SLin Ling mdb_printf("\n"); 6103f1f8012SMatthew Ahrens if (verbose) { 6113f1f8012SMatthew Ahrens int j; 6123f1f8012SMatthew Ahrens mdb_printf(" "); 6133f1f8012SMatthew Ahrens for (j = 0; j < ZAP_LEAF_ARRAY_BYTES; j++) { 6143f1f8012SMatthew Ahrens mdb_printf("%02x ", 6153f1f8012SMatthew Ahrens zlc->l_array.la_array[j]); 6163f1f8012SMatthew Ahrens } 6173f1f8012SMatthew Ahrens mdb_printf("\n"); 6183f1f8012SMatthew Ahrens } 6193f1f8012SMatthew Ahrens if (zlc->l_array.la_next != CHAIN_END) { 6203f1f8012SMatthew Ahrens mdb_printf(" lf_next = %u\n", 6213f1f8012SMatthew Ahrens zlc->l_array.la_next); 6223f1f8012SMatthew Ahrens } 6233f1f8012SMatthew Ahrens break; 6243f1f8012SMatthew Ahrens default: 6253f1f8012SMatthew Ahrens mdb_printf(" %u: undefined type %u\n", 6263f1f8012SMatthew Ahrens zlc->l_entry.le_type); 6273f1f8012SMatthew Ahrens } 6283f1f8012SMatthew Ahrens } 6293f1f8012SMatthew Ahrens 6303f1f8012SMatthew Ahrens return (DCMD_OK); 6313f1f8012SMatthew Ahrens } 6323f1f8012SMatthew Ahrens 633fa9e4066Sahrens typedef struct dbufs_data { 634fa9e4066Sahrens mdb_ctf_id_t id; 635fa9e4066Sahrens uint64_t objset; 636fa9e4066Sahrens uint64_t object; 637fa9e4066Sahrens uint64_t level; 638fa9e4066Sahrens uint64_t blkid; 639fa9e4066Sahrens char *osname; 640fa9e4066Sahrens } dbufs_data_t; 641fa9e4066Sahrens 642fa9e4066Sahrens #define DBUFS_UNSET (0xbaddcafedeadbeefULL) 643fa9e4066Sahrens 644fa9e4066Sahrens /* ARGSUSED */ 645fa9e4066Sahrens static int 646fa9e4066Sahrens dbufs_cb(uintptr_t addr, const void *unknown, void *arg) 647fa9e4066Sahrens { 648fa9e4066Sahrens dbufs_data_t *data = arg; 649fa9e4066Sahrens uintptr_t objset; 650fa9e4066Sahrens dmu_buf_t db; 651fa9e4066Sahrens uint8_t level; 652fa9e4066Sahrens uint64_t blkid; 653fa9e4066Sahrens char osname[MAXNAMELEN]; 654fa9e4066Sahrens 655fa9e4066Sahrens if (GETMEMBID(addr, &data->id, db_objset, objset) || 656fa9e4066Sahrens GETMEMBID(addr, &data->id, db, db) || 657fa9e4066Sahrens GETMEMBID(addr, &data->id, db_level, level) || 658fa9e4066Sahrens GETMEMBID(addr, &data->id, db_blkid, blkid)) { 659fa9e4066Sahrens return (WALK_ERR); 660fa9e4066Sahrens } 661fa9e4066Sahrens 662fa9e4066Sahrens if ((data->objset == DBUFS_UNSET || data->objset == objset) && 663fa9e4066Sahrens (data->osname == NULL || (objset_name(objset, osname) == 0 && 664ccae0b50Seschrock strcmp(data->osname, osname) == 0)) && 665fa9e4066Sahrens (data->object == DBUFS_UNSET || data->object == db.db_object) && 666fa9e4066Sahrens (data->level == DBUFS_UNSET || data->level == level) && 667fa9e4066Sahrens (data->blkid == DBUFS_UNSET || data->blkid == blkid)) { 668fa9e4066Sahrens mdb_printf("%#lr\n", addr); 669fa9e4066Sahrens } 670fa9e4066Sahrens return (WALK_NEXT); 671fa9e4066Sahrens } 672fa9e4066Sahrens 673fa9e4066Sahrens /* ARGSUSED */ 674fa9e4066Sahrens static int 675fa9e4066Sahrens dbufs(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 676fa9e4066Sahrens { 677fa9e4066Sahrens dbufs_data_t data; 678fa9e4066Sahrens char *object = NULL; 679fa9e4066Sahrens char *blkid = NULL; 680fa9e4066Sahrens 681fa9e4066Sahrens data.objset = data.object = data.level = data.blkid = DBUFS_UNSET; 682fa9e4066Sahrens data.osname = NULL; 683fa9e4066Sahrens 684fa9e4066Sahrens if (mdb_getopts(argc, argv, 685fa9e4066Sahrens 'O', MDB_OPT_UINT64, &data.objset, 686fa9e4066Sahrens 'n', MDB_OPT_STR, &data.osname, 687fa9e4066Sahrens 'o', MDB_OPT_STR, &object, 688fa9e4066Sahrens 'l', MDB_OPT_UINT64, &data.level, 689fa9e4066Sahrens 'b', MDB_OPT_STR, &blkid) != argc) { 690fa9e4066Sahrens return (DCMD_USAGE); 691fa9e4066Sahrens } 692fa9e4066Sahrens 693fa9e4066Sahrens if (object) { 694fa9e4066Sahrens if (strcmp(object, "mdn") == 0) { 695fa9e4066Sahrens data.object = DMU_META_DNODE_OBJECT; 696fa9e4066Sahrens } else { 697fa9e4066Sahrens data.object = mdb_strtoull(object); 698fa9e4066Sahrens } 699fa9e4066Sahrens } 700fa9e4066Sahrens 701fa9e4066Sahrens if (blkid) { 702fa9e4066Sahrens if (strcmp(blkid, "bonus") == 0) { 7030a586ceaSMark Shellenbaum data.blkid = DMU_BONUS_BLKID; 704fa9e4066Sahrens } else { 705fa9e4066Sahrens data.blkid = mdb_strtoull(blkid); 706fa9e4066Sahrens } 707fa9e4066Sahrens } 708fa9e4066Sahrens 70928e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "dmu_buf_impl", &data.id) == -1) { 710fa9e4066Sahrens mdb_warn("couldn't find struct dmu_buf_impl_t"); 711fa9e4066Sahrens return (DCMD_ERR); 712fa9e4066Sahrens } 713fa9e4066Sahrens 7145f5f7a6fSahrens if (mdb_walk("dmu_buf_impl_t", dbufs_cb, &data) != 0) { 715fa9e4066Sahrens mdb_warn("can't walk dbufs"); 716fa9e4066Sahrens return (DCMD_ERR); 717fa9e4066Sahrens } 718fa9e4066Sahrens 719fa9e4066Sahrens return (DCMD_OK); 720fa9e4066Sahrens } 721fa9e4066Sahrens 722fa9e4066Sahrens typedef struct abuf_find_data { 723fa9e4066Sahrens dva_t dva; 724fa9e4066Sahrens mdb_ctf_id_t id; 725fa9e4066Sahrens } abuf_find_data_t; 726fa9e4066Sahrens 727fa9e4066Sahrens /* ARGSUSED */ 728fa9e4066Sahrens static int 729fa9e4066Sahrens abuf_find_cb(uintptr_t addr, const void *unknown, void *arg) 730fa9e4066Sahrens { 731fa9e4066Sahrens abuf_find_data_t *data = arg; 732fa9e4066Sahrens dva_t dva; 733fa9e4066Sahrens 734fa9e4066Sahrens if (GETMEMBID(addr, &data->id, b_dva, dva)) { 735fa9e4066Sahrens return (WALK_ERR); 736fa9e4066Sahrens } 737fa9e4066Sahrens 738fa9e4066Sahrens if (dva.dva_word[0] == data->dva.dva_word[0] && 739fa9e4066Sahrens dva.dva_word[1] == data->dva.dva_word[1]) { 740fa9e4066Sahrens mdb_printf("%#lr\n", addr); 741fa9e4066Sahrens } 742fa9e4066Sahrens return (WALK_NEXT); 743fa9e4066Sahrens } 744fa9e4066Sahrens 745fa9e4066Sahrens /* ARGSUSED */ 746fa9e4066Sahrens static int 747fa9e4066Sahrens abuf_find(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 748fa9e4066Sahrens { 749fa9e4066Sahrens abuf_find_data_t data; 750fa9e4066Sahrens GElf_Sym sym; 751fa9e4066Sahrens int i; 752fa9e4066Sahrens const char *syms[] = { 753a2eea2e1Sahrens "ARC_mru", 754a2eea2e1Sahrens "ARC_mru_ghost", 755a2eea2e1Sahrens "ARC_mfu", 756a2eea2e1Sahrens "ARC_mfu_ghost", 757fa9e4066Sahrens }; 758fa9e4066Sahrens 759fa9e4066Sahrens if (argc != 2) 760fa9e4066Sahrens return (DCMD_USAGE); 761fa9e4066Sahrens 762fa9e4066Sahrens for (i = 0; i < 2; i ++) { 763fa9e4066Sahrens switch (argv[i].a_type) { 764fa9e4066Sahrens case MDB_TYPE_STRING: 765fa9e4066Sahrens data.dva.dva_word[i] = mdb_strtoull(argv[i].a_un.a_str); 766fa9e4066Sahrens break; 767fa9e4066Sahrens case MDB_TYPE_IMMEDIATE: 768fa9e4066Sahrens data.dva.dva_word[i] = argv[i].a_un.a_val; 769fa9e4066Sahrens break; 770fa9e4066Sahrens default: 771fa9e4066Sahrens return (DCMD_USAGE); 772fa9e4066Sahrens } 773fa9e4066Sahrens } 774fa9e4066Sahrens 77528e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "arc_buf_hdr", &data.id) == -1) { 776fa9e4066Sahrens mdb_warn("couldn't find struct arc_buf_hdr"); 777fa9e4066Sahrens return (DCMD_ERR); 778fa9e4066Sahrens } 779fa9e4066Sahrens 780fa9e4066Sahrens for (i = 0; i < sizeof (syms) / sizeof (syms[0]); i++) { 781fa9e4066Sahrens if (mdb_lookup_by_name(syms[i], &sym)) { 782fa9e4066Sahrens mdb_warn("can't find symbol %s", syms[i]); 783fa9e4066Sahrens return (DCMD_ERR); 784fa9e4066Sahrens } 785fa9e4066Sahrens 786fa9e4066Sahrens if (mdb_pwalk("list", abuf_find_cb, &data, sym.st_value) != 0) { 787fa9e4066Sahrens mdb_warn("can't walk %s", syms[i]); 788fa9e4066Sahrens return (DCMD_ERR); 789fa9e4066Sahrens } 790fa9e4066Sahrens } 791fa9e4066Sahrens 792fa9e4066Sahrens return (DCMD_OK); 793fa9e4066Sahrens } 794fa9e4066Sahrens 79528e4da25SMatthew Ahrens 79628e4da25SMatthew Ahrens typedef struct dbgmsg_arg { 79728e4da25SMatthew Ahrens boolean_t da_verbose; 79828e4da25SMatthew Ahrens boolean_t da_address; 79928e4da25SMatthew Ahrens } dbgmsg_arg_t; 80028e4da25SMatthew Ahrens 8013f9d6ad7SLin Ling /* ARGSUSED */ 8023f9d6ad7SLin Ling static int 8033f9d6ad7SLin Ling dbgmsg_cb(uintptr_t addr, const void *unknown, void *arg) 8043f9d6ad7SLin Ling { 8053f9d6ad7SLin Ling static mdb_ctf_id_t id; 8063f9d6ad7SLin Ling static boolean_t gotid; 8073f9d6ad7SLin Ling static ulong_t off; 8083f9d6ad7SLin Ling 80928e4da25SMatthew Ahrens dbgmsg_arg_t *da = arg; 8103f9d6ad7SLin Ling time_t timestamp; 8113f9d6ad7SLin Ling char buf[1024]; 8123f9d6ad7SLin Ling 8133f9d6ad7SLin Ling if (!gotid) { 81428e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "zfs_dbgmsg", &id) == 81528e4da25SMatthew Ahrens -1) { 8163f9d6ad7SLin Ling mdb_warn("couldn't find struct zfs_dbgmsg"); 8173f9d6ad7SLin Ling return (WALK_ERR); 8183f9d6ad7SLin Ling } 8193f9d6ad7SLin Ling gotid = TRUE; 8203f9d6ad7SLin Ling if (mdb_ctf_offsetof(id, "zdm_msg", &off) == -1) { 8213f9d6ad7SLin Ling mdb_warn("couldn't find zdm_msg"); 8223f9d6ad7SLin Ling return (WALK_ERR); 8233f9d6ad7SLin Ling } 8243f9d6ad7SLin Ling off /= 8; 8253f9d6ad7SLin Ling } 8263f9d6ad7SLin Ling 8273f9d6ad7SLin Ling 8283f9d6ad7SLin Ling if (GETMEMBID(addr, &id, zdm_timestamp, timestamp)) { 8293f9d6ad7SLin Ling return (WALK_ERR); 8303f9d6ad7SLin Ling } 8313f9d6ad7SLin Ling 8323f9d6ad7SLin Ling if (mdb_readstr(buf, sizeof (buf), addr + off) == -1) { 8333f9d6ad7SLin Ling mdb_warn("failed to read zdm_msg at %p\n", addr + off); 8343f9d6ad7SLin Ling return (DCMD_ERR); 8353f9d6ad7SLin Ling } 8363f9d6ad7SLin Ling 83728e4da25SMatthew Ahrens if (da->da_address) 83828e4da25SMatthew Ahrens mdb_printf("%p ", addr); 83928e4da25SMatthew Ahrens if (da->da_verbose) 8403f9d6ad7SLin Ling mdb_printf("%Y ", timestamp); 8413f9d6ad7SLin Ling 8423f9d6ad7SLin Ling mdb_printf("%s\n", buf); 8433f9d6ad7SLin Ling 84428e4da25SMatthew Ahrens if (da->da_verbose) 8453f9d6ad7SLin Ling (void) mdb_call_dcmd("whatis", addr, DCMD_ADDRSPEC, 0, NULL); 8463f9d6ad7SLin Ling 8473f9d6ad7SLin Ling return (WALK_NEXT); 8483f9d6ad7SLin Ling } 8493f9d6ad7SLin Ling 8503f9d6ad7SLin Ling /* ARGSUSED */ 8513f9d6ad7SLin Ling static int 8523f9d6ad7SLin Ling dbgmsg(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 8533f9d6ad7SLin Ling { 8543f9d6ad7SLin Ling GElf_Sym sym; 85528e4da25SMatthew Ahrens dbgmsg_arg_t da = { 0 }; 8563f9d6ad7SLin Ling 8573f9d6ad7SLin Ling if (mdb_getopts(argc, argv, 85828e4da25SMatthew Ahrens 'v', MDB_OPT_SETBITS, B_TRUE, &da.da_verbose, 85928e4da25SMatthew Ahrens 'a', MDB_OPT_SETBITS, B_TRUE, &da.da_address, 8603f9d6ad7SLin Ling NULL) != argc) 8613f9d6ad7SLin Ling return (DCMD_USAGE); 8623f9d6ad7SLin Ling 8633b2aab18SMatthew Ahrens if (mdb_lookup_by_obj(ZFS_OBJ_NAME, "zfs_dbgmsgs", &sym)) { 8643f9d6ad7SLin Ling mdb_warn("can't find zfs_dbgmsgs"); 8653f9d6ad7SLin Ling return (DCMD_ERR); 8663f9d6ad7SLin Ling } 8673f9d6ad7SLin Ling 86828e4da25SMatthew Ahrens if (mdb_pwalk("list", dbgmsg_cb, &da, sym.st_value) != 0) { 8693f9d6ad7SLin Ling mdb_warn("can't walk zfs_dbgmsgs"); 8703f9d6ad7SLin Ling return (DCMD_ERR); 8713f9d6ad7SLin Ling } 8723f9d6ad7SLin Ling 8733f9d6ad7SLin Ling return (DCMD_OK); 8743f9d6ad7SLin Ling } 8753f9d6ad7SLin Ling 87644cb6abcSbmc /*ARGSUSED*/ 87744cb6abcSbmc static int 87844cb6abcSbmc arc_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 87944cb6abcSbmc { 88044cb6abcSbmc kstat_named_t *stats; 88144cb6abcSbmc GElf_Sym sym; 88291ebeef5Sahrens int nstats, i; 88344cb6abcSbmc uint_t opt_a = FALSE; 88491ebeef5Sahrens uint_t opt_b = FALSE; 88591ebeef5Sahrens uint_t shift = 0; 88691ebeef5Sahrens const char *suffix; 88744cb6abcSbmc 88891ebeef5Sahrens static const char *bytestats[] = { 8899253d63dSGeorge Wilson "p", "c", "c_min", "c_max", "size", "duplicate_buffers_size", 89020128a08SGeorge Wilson "arc_meta_used", "arc_meta_limit", "arc_meta_max", 8919253d63dSGeorge Wilson NULL 89291ebeef5Sahrens }; 89391ebeef5Sahrens 89491ebeef5Sahrens static const char *extras[] = { 89591ebeef5Sahrens "arc_no_grow", "arc_tempreserve", 89691ebeef5Sahrens NULL 89744cb6abcSbmc }; 89844cb6abcSbmc 89944cb6abcSbmc if (mdb_lookup_by_name("arc_stats", &sym) == -1) { 90044cb6abcSbmc mdb_warn("failed to find 'arc_stats'"); 90144cb6abcSbmc return (DCMD_ERR); 90244cb6abcSbmc } 90344cb6abcSbmc 90444cb6abcSbmc stats = mdb_zalloc(sym.st_size, UM_SLEEP | UM_GC); 90544cb6abcSbmc 90644cb6abcSbmc if (mdb_vread(stats, sym.st_size, sym.st_value) == -1) { 90744cb6abcSbmc mdb_warn("couldn't read 'arc_stats' at %p", sym.st_value); 90844cb6abcSbmc return (DCMD_ERR); 90944cb6abcSbmc } 91044cb6abcSbmc 91144cb6abcSbmc nstats = sym.st_size / sizeof (kstat_named_t); 91244cb6abcSbmc 91391ebeef5Sahrens /* NB: -a / opt_a are ignored for backwards compatability */ 91491ebeef5Sahrens if (mdb_getopts(argc, argv, 91591ebeef5Sahrens 'a', MDB_OPT_SETBITS, TRUE, &opt_a, 91691ebeef5Sahrens 'b', MDB_OPT_SETBITS, TRUE, &opt_b, 91791ebeef5Sahrens 'k', MDB_OPT_SETBITS, 10, &shift, 91891ebeef5Sahrens 'm', MDB_OPT_SETBITS, 20, &shift, 91991ebeef5Sahrens 'g', MDB_OPT_SETBITS, 30, &shift, 92091ebeef5Sahrens NULL) != argc) 92144cb6abcSbmc return (DCMD_USAGE); 92244cb6abcSbmc 92391ebeef5Sahrens if (!opt_b && !shift) 92491ebeef5Sahrens shift = 20; 92591ebeef5Sahrens 92691ebeef5Sahrens switch (shift) { 92791ebeef5Sahrens case 0: 92891ebeef5Sahrens suffix = "B"; 92991ebeef5Sahrens break; 93091ebeef5Sahrens case 10: 93191ebeef5Sahrens suffix = "KB"; 93291ebeef5Sahrens break; 93391ebeef5Sahrens case 20: 93491ebeef5Sahrens suffix = "MB"; 93591ebeef5Sahrens break; 93691ebeef5Sahrens case 30: 93791ebeef5Sahrens suffix = "GB"; 93891ebeef5Sahrens break; 93991ebeef5Sahrens default: 94091ebeef5Sahrens suffix = "XX"; 94191ebeef5Sahrens } 94291ebeef5Sahrens 94391ebeef5Sahrens for (i = 0; i < nstats; i++) { 94491ebeef5Sahrens int j; 94591ebeef5Sahrens boolean_t bytes = B_FALSE; 94691ebeef5Sahrens 94791ebeef5Sahrens for (j = 0; bytestats[j]; j++) { 94891ebeef5Sahrens if (strcmp(stats[i].name, bytestats[j]) == 0) { 94991ebeef5Sahrens bytes = B_TRUE; 95091ebeef5Sahrens break; 95191ebeef5Sahrens } 95291ebeef5Sahrens } 95344cb6abcSbmc 95491ebeef5Sahrens if (bytes) { 95591ebeef5Sahrens mdb_printf("%-25s = %9llu %s\n", stats[i].name, 95691ebeef5Sahrens stats[i].value.ui64 >> shift, suffix); 95791ebeef5Sahrens } else { 95891ebeef5Sahrens mdb_printf("%-25s = %9llu\n", stats[i].name, 95944cb6abcSbmc stats[i].value.ui64); 96044cb6abcSbmc } 96144cb6abcSbmc } 96244cb6abcSbmc 96391ebeef5Sahrens for (i = 0; extras[i]; i++) { 96491ebeef5Sahrens uint64_t buf; 96544cb6abcSbmc 96691ebeef5Sahrens if (mdb_lookup_by_name(extras[i], &sym) == -1) { 96791ebeef5Sahrens mdb_warn("failed to find '%s'", extras[i]); 96891ebeef5Sahrens return (DCMD_ERR); 96944cb6abcSbmc } 97044cb6abcSbmc 97191ebeef5Sahrens if (sym.st_size != sizeof (uint64_t) && 97291ebeef5Sahrens sym.st_size != sizeof (uint32_t)) { 97391ebeef5Sahrens mdb_warn("expected scalar for variable '%s'\n", 97491ebeef5Sahrens extras[i]); 97591ebeef5Sahrens return (DCMD_ERR); 97644cb6abcSbmc } 97744cb6abcSbmc 97891ebeef5Sahrens if (mdb_vread(&buf, sym.st_size, sym.st_value) == -1) { 97991ebeef5Sahrens mdb_warn("couldn't read '%s'", extras[i]); 98091ebeef5Sahrens return (DCMD_ERR); 98144cb6abcSbmc } 98244cb6abcSbmc 98391ebeef5Sahrens mdb_printf("%-25s = ", extras[i]); 98491ebeef5Sahrens 98591ebeef5Sahrens /* NB: all the 64-bit extras happen to be byte counts */ 98691ebeef5Sahrens if (sym.st_size == sizeof (uint64_t)) 98791ebeef5Sahrens mdb_printf("%9llu %s\n", buf >> shift, suffix); 98844cb6abcSbmc 98991ebeef5Sahrens if (sym.st_size == sizeof (uint32_t)) 99091ebeef5Sahrens mdb_printf("%9d\n", *((uint32_t *)&buf)); 99191ebeef5Sahrens } 99244cb6abcSbmc return (DCMD_OK); 99344cb6abcSbmc } 99444cb6abcSbmc 995fa9e4066Sahrens /* 996fa9e4066Sahrens * ::spa 997fa9e4066Sahrens * 998fa9e4066Sahrens * -c Print configuration information as well 999fa9e4066Sahrens * -v Print vdev state 1000fa9e4066Sahrens * -e Print vdev error stats 1001fa9e4066Sahrens * 1002fa9e4066Sahrens * Print a summarized spa_t. When given no arguments, prints out a table of all 1003fa9e4066Sahrens * active pools on the system. 1004fa9e4066Sahrens */ 1005fa9e4066Sahrens /* ARGSUSED */ 1006fa9e4066Sahrens static int 1007fa9e4066Sahrens spa_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1008fa9e4066Sahrens { 1009fa9e4066Sahrens spa_t spa; 1010fa9e4066Sahrens const char *statetab[] = { "ACTIVE", "EXPORTED", "DESTROYED", 1011e14bb325SJeff Bonwick "SPARE", "L2CACHE", "UNINIT", "UNAVAIL", "POTENTIAL" }; 1012fa9e4066Sahrens const char *state; 1013fa9e4066Sahrens int config = FALSE; 1014fa9e4066Sahrens int vdevs = FALSE; 1015fa9e4066Sahrens int errors = FALSE; 1016fa9e4066Sahrens 1017fa9e4066Sahrens if (mdb_getopts(argc, argv, 1018fa9e4066Sahrens 'c', MDB_OPT_SETBITS, TRUE, &config, 1019fa9e4066Sahrens 'v', MDB_OPT_SETBITS, TRUE, &vdevs, 1020fa9e4066Sahrens 'e', MDB_OPT_SETBITS, TRUE, &errors, 1021fa9e4066Sahrens NULL) != argc) 1022fa9e4066Sahrens return (DCMD_USAGE); 1023fa9e4066Sahrens 1024fa9e4066Sahrens if (!(flags & DCMD_ADDRSPEC)) { 1025fa9e4066Sahrens if (mdb_walk_dcmd("spa", "spa", argc, argv) == -1) { 1026fa9e4066Sahrens mdb_warn("can't walk spa"); 1027fa9e4066Sahrens return (DCMD_ERR); 1028fa9e4066Sahrens } 1029fa9e4066Sahrens 1030fa9e4066Sahrens return (DCMD_OK); 1031fa9e4066Sahrens } 1032fa9e4066Sahrens 1033fa9e4066Sahrens if (flags & DCMD_PIPE_OUT) { 1034fa9e4066Sahrens mdb_printf("%#lr\n", addr); 1035fa9e4066Sahrens return (DCMD_OK); 1036fa9e4066Sahrens } 1037fa9e4066Sahrens 1038fa9e4066Sahrens if (DCMD_HDRSPEC(flags)) 1039fa9e4066Sahrens mdb_printf("%<u>%-?s %9s %-*s%</u>\n", "ADDR", "STATE", 1040fa9e4066Sahrens sizeof (uintptr_t) == 4 ? 60 : 52, "NAME"); 1041fa9e4066Sahrens 1042fa9e4066Sahrens if (mdb_vread(&spa, sizeof (spa), addr) == -1) { 1043fa9e4066Sahrens mdb_warn("failed to read spa_t at %p", addr); 1044fa9e4066Sahrens return (DCMD_ERR); 1045fa9e4066Sahrens } 1046fa9e4066Sahrens 1047fa9e4066Sahrens if (spa.spa_state < 0 || spa.spa_state > POOL_STATE_UNAVAIL) 1048ea8dc4b6Seschrock state = "UNKNOWN"; 1049fa9e4066Sahrens else 1050fa9e4066Sahrens state = statetab[spa.spa_state]; 1051fa9e4066Sahrens 1052e14bb325SJeff Bonwick mdb_printf("%0?p %9s %s\n", addr, state, spa.spa_name); 1053fa9e4066Sahrens 1054fa9e4066Sahrens if (config) { 1055fa9e4066Sahrens mdb_printf("\n"); 1056fa9e4066Sahrens mdb_inc_indent(4); 1057fa9e4066Sahrens if (mdb_call_dcmd("spa_config", addr, flags, 0, 1058fa9e4066Sahrens NULL) != DCMD_OK) 1059fa9e4066Sahrens return (DCMD_ERR); 1060fa9e4066Sahrens mdb_dec_indent(4); 1061fa9e4066Sahrens } 1062fa9e4066Sahrens 1063fa9e4066Sahrens if (vdevs || errors) { 1064fa9e4066Sahrens mdb_arg_t v; 1065fa9e4066Sahrens 1066fa9e4066Sahrens v.a_type = MDB_TYPE_STRING; 1067fa9e4066Sahrens v.a_un.a_str = "-e"; 1068fa9e4066Sahrens 1069fa9e4066Sahrens mdb_printf("\n"); 1070fa9e4066Sahrens mdb_inc_indent(4); 1071fa9e4066Sahrens if (mdb_call_dcmd("spa_vdevs", addr, flags, errors ? 1 : 0, 1072fa9e4066Sahrens &v) != DCMD_OK) 1073fa9e4066Sahrens return (DCMD_ERR); 1074fa9e4066Sahrens mdb_dec_indent(4); 1075fa9e4066Sahrens } 1076fa9e4066Sahrens 1077fa9e4066Sahrens return (DCMD_OK); 1078fa9e4066Sahrens } 1079fa9e4066Sahrens 108028e4da25SMatthew Ahrens typedef struct mdb_spa_config_spa { 1081*d5ee8a13SMatthew Ahrens uintptr_t spa_config; 108228e4da25SMatthew Ahrens } mdb_spa_config_spa_t; 108328e4da25SMatthew Ahrens 1084fa9e4066Sahrens /* 1085fa9e4066Sahrens * ::spa_config 1086fa9e4066Sahrens * 1087fa9e4066Sahrens * Given a spa_t, print the configuration information stored in spa_config. 1088fa9e4066Sahrens * Since it's just an nvlist, format it as an indented list of name=value pairs. 1089fa9e4066Sahrens * We simply read the value of spa_config and pass off to ::nvlist. 1090fa9e4066Sahrens */ 1091fa9e4066Sahrens /* ARGSUSED */ 1092fa9e4066Sahrens static int 1093fa9e4066Sahrens spa_print_config(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1094fa9e4066Sahrens { 109528e4da25SMatthew Ahrens mdb_spa_config_spa_t spa; 1096fa9e4066Sahrens 1097fa9e4066Sahrens if (argc != 0 || !(flags & DCMD_ADDRSPEC)) 1098fa9e4066Sahrens return (DCMD_USAGE); 1099fa9e4066Sahrens 110028e4da25SMatthew Ahrens if (mdb_ctf_vread(&spa, ZFS_STRUCT "spa", "mdb_spa_config_spa_t", 110128e4da25SMatthew Ahrens addr, 0) == -1) 1102fa9e4066Sahrens return (DCMD_ERR); 1103fa9e4066Sahrens 1104*d5ee8a13SMatthew Ahrens if (spa.spa_config == 0) { 1105fa9e4066Sahrens mdb_printf("(none)\n"); 1106fa9e4066Sahrens return (DCMD_OK); 1107fa9e4066Sahrens } 1108fa9e4066Sahrens 1109*d5ee8a13SMatthew Ahrens return (mdb_call_dcmd("nvlist", spa.spa_config, flags, 1110fa9e4066Sahrens 0, NULL)); 1111fa9e4066Sahrens } 1112fa9e4066Sahrens 1113fa9e4066Sahrens /* 1114fa9e4066Sahrens * ::vdev 1115fa9e4066Sahrens * 1116fa9e4066Sahrens * Print out a summarized vdev_t, in the following form: 1117fa9e4066Sahrens * 1118fa9e4066Sahrens * ADDR STATE AUX DESC 1119fa9e4066Sahrens * fffffffbcde23df0 HEALTHY - /dev/dsk/c0t0d0 1120fa9e4066Sahrens * 1121fa9e4066Sahrens * If '-r' is specified, recursively visit all children. 1122fa9e4066Sahrens * 1123fa9e4066Sahrens * With '-e', the statistics associated with the vdev are printed as well. 1124fa9e4066Sahrens */ 1125fa9e4066Sahrens static int 1126614409b5Sahrens do_print_vdev(uintptr_t addr, int flags, int depth, int stats, 1127fa9e4066Sahrens int recursive) 1128fa9e4066Sahrens { 1129fa9e4066Sahrens vdev_t vdev; 1130fa9e4066Sahrens char desc[MAXNAMELEN]; 1131fa9e4066Sahrens int c, children; 1132fa9e4066Sahrens uintptr_t *child; 1133fa9e4066Sahrens const char *state, *aux; 1134fa9e4066Sahrens 1135fa9e4066Sahrens if (mdb_vread(&vdev, sizeof (vdev), (uintptr_t)addr) == -1) { 1136fa9e4066Sahrens mdb_warn("failed to read vdev_t at %p\n", (uintptr_t)addr); 1137fa9e4066Sahrens return (DCMD_ERR); 1138fa9e4066Sahrens } 1139fa9e4066Sahrens 1140fa9e4066Sahrens if (flags & DCMD_PIPE_OUT) { 1141fa9e4066Sahrens mdb_printf("%#lr", addr); 1142fa9e4066Sahrens } else { 1143fa9e4066Sahrens if (vdev.vdev_path != NULL) { 1144fa9e4066Sahrens if (mdb_readstr(desc, sizeof (desc), 1145fa9e4066Sahrens (uintptr_t)vdev.vdev_path) == -1) { 1146fa9e4066Sahrens mdb_warn("failed to read vdev_path at %p\n", 1147fa9e4066Sahrens vdev.vdev_path); 1148fa9e4066Sahrens return (DCMD_ERR); 1149fa9e4066Sahrens } 1150fa9e4066Sahrens } else if (vdev.vdev_ops != NULL) { 1151fa9e4066Sahrens vdev_ops_t ops; 1152fa9e4066Sahrens if (mdb_vread(&ops, sizeof (ops), 1153fa9e4066Sahrens (uintptr_t)vdev.vdev_ops) == -1) { 1154fa9e4066Sahrens mdb_warn("failed to read vdev_ops at %p\n", 1155fa9e4066Sahrens vdev.vdev_ops); 1156fa9e4066Sahrens return (DCMD_ERR); 1157fa9e4066Sahrens } 1158fa9e4066Sahrens (void) strcpy(desc, ops.vdev_op_type); 1159fa9e4066Sahrens } else { 1160fa9e4066Sahrens (void) strcpy(desc, "<unknown>"); 1161fa9e4066Sahrens } 1162fa9e4066Sahrens 1163fa9e4066Sahrens if (depth == 0 && DCMD_HDRSPEC(flags)) 1164fa9e4066Sahrens mdb_printf("%<u>%-?s %-9s %-12s %-*s%</u>\n", 1165fa9e4066Sahrens "ADDR", "STATE", "AUX", 1166fa9e4066Sahrens sizeof (uintptr_t) == 4 ? 43 : 35, 1167fa9e4066Sahrens "DESCRIPTION"); 1168fa9e4066Sahrens 1169fa9e4066Sahrens mdb_printf("%0?p ", addr); 1170fa9e4066Sahrens 1171fa9e4066Sahrens switch (vdev.vdev_state) { 1172fa9e4066Sahrens case VDEV_STATE_CLOSED: 1173ccae0b50Seschrock state = "CLOSED"; 1174ccae0b50Seschrock break; 1175fa9e4066Sahrens case VDEV_STATE_OFFLINE: 1176ccae0b50Seschrock state = "OFFLINE"; 1177ccae0b50Seschrock break; 1178fa9e4066Sahrens case VDEV_STATE_CANT_OPEN: 1179ccae0b50Seschrock state = "CANT_OPEN"; 1180ccae0b50Seschrock break; 1181fa9e4066Sahrens case VDEV_STATE_DEGRADED: 1182ccae0b50Seschrock state = "DEGRADED"; 1183ccae0b50Seschrock break; 1184fa9e4066Sahrens case VDEV_STATE_HEALTHY: 1185ccae0b50Seschrock state = "HEALTHY"; 1186ccae0b50Seschrock break; 11873d7072f8Seschrock case VDEV_STATE_REMOVED: 11883d7072f8Seschrock state = "REMOVED"; 11893d7072f8Seschrock break; 11903d7072f8Seschrock case VDEV_STATE_FAULTED: 11913d7072f8Seschrock state = "FAULTED"; 11923d7072f8Seschrock break; 1193fa9e4066Sahrens default: 1194ccae0b50Seschrock state = "UNKNOWN"; 1195ccae0b50Seschrock break; 1196fa9e4066Sahrens } 1197fa9e4066Sahrens 1198fa9e4066Sahrens switch (vdev.vdev_stat.vs_aux) { 1199fa9e4066Sahrens case VDEV_AUX_NONE: 1200fa9e4066Sahrens aux = "-"; 1201fa9e4066Sahrens break; 1202fa9e4066Sahrens case VDEV_AUX_OPEN_FAILED: 1203fa9e4066Sahrens aux = "OPEN_FAILED"; 1204fa9e4066Sahrens break; 1205fa9e4066Sahrens case VDEV_AUX_CORRUPT_DATA: 1206fa9e4066Sahrens aux = "CORRUPT_DATA"; 1207fa9e4066Sahrens break; 1208fa9e4066Sahrens case VDEV_AUX_NO_REPLICAS: 1209fa9e4066Sahrens aux = "NO_REPLICAS"; 1210fa9e4066Sahrens break; 1211fa9e4066Sahrens case VDEV_AUX_BAD_GUID_SUM: 1212fa9e4066Sahrens aux = "BAD_GUID_SUM"; 1213fa9e4066Sahrens break; 1214fa9e4066Sahrens case VDEV_AUX_TOO_SMALL: 1215fa9e4066Sahrens aux = "TOO_SMALL"; 1216fa9e4066Sahrens break; 1217fa9e4066Sahrens case VDEV_AUX_BAD_LABEL: 1218fa9e4066Sahrens aux = "BAD_LABEL"; 1219fa9e4066Sahrens break; 1220b87f3af3Sperrin case VDEV_AUX_VERSION_NEWER: 1221b87f3af3Sperrin aux = "VERS_NEWER"; 1222b87f3af3Sperrin break; 1223b87f3af3Sperrin case VDEV_AUX_VERSION_OLDER: 1224b87f3af3Sperrin aux = "VERS_OLDER"; 1225b87f3af3Sperrin break; 1226ad135b5dSChristopher Siden case VDEV_AUX_UNSUP_FEAT: 1227ad135b5dSChristopher Siden aux = "UNSUP_FEAT"; 1228ad135b5dSChristopher Siden break; 1229b87f3af3Sperrin case VDEV_AUX_SPARED: 1230b87f3af3Sperrin aux = "SPARED"; 1231b87f3af3Sperrin break; 1232b87f3af3Sperrin case VDEV_AUX_ERR_EXCEEDED: 1233b87f3af3Sperrin aux = "ERR_EXCEEDED"; 1234b87f3af3Sperrin break; 1235b87f3af3Sperrin case VDEV_AUX_IO_FAILURE: 1236b87f3af3Sperrin aux = "IO_FAILURE"; 1237b87f3af3Sperrin break; 1238b87f3af3Sperrin case VDEV_AUX_BAD_LOG: 1239b87f3af3Sperrin aux = "BAD_LOG"; 1240b87f3af3Sperrin break; 12411195e687SMark J Musante case VDEV_AUX_EXTERNAL: 12421195e687SMark J Musante aux = "EXTERNAL"; 12431195e687SMark J Musante break; 12441195e687SMark J Musante case VDEV_AUX_SPLIT_POOL: 12451195e687SMark J Musante aux = "SPLIT_POOL"; 12461195e687SMark J Musante break; 1247fa9e4066Sahrens default: 1248fa9e4066Sahrens aux = "UNKNOWN"; 1249fa9e4066Sahrens break; 1250fa9e4066Sahrens } 1251fa9e4066Sahrens 1252fa9e4066Sahrens mdb_printf("%-9s %-12s %*s%s\n", state, aux, depth, "", desc); 1253fa9e4066Sahrens 1254fa9e4066Sahrens if (stats) { 1255fa9e4066Sahrens vdev_stat_t *vs = &vdev.vdev_stat; 1256fa9e4066Sahrens int i; 1257fa9e4066Sahrens 1258fa9e4066Sahrens mdb_inc_indent(4); 1259fa9e4066Sahrens mdb_printf("\n"); 1260fa9e4066Sahrens mdb_printf("%<u> %12s %12s %12s %12s " 1261fa9e4066Sahrens "%12s%</u>\n", "READ", "WRITE", "FREE", "CLAIM", 1262fa9e4066Sahrens "IOCTL"); 1263fa9e4066Sahrens mdb_printf("OPS "); 1264fa9e4066Sahrens for (i = 1; i < ZIO_TYPES; i++) 1265fa9e4066Sahrens mdb_printf("%11#llx%s", vs->vs_ops[i], 1266fa9e4066Sahrens i == ZIO_TYPES - 1 ? "" : " "); 1267fa9e4066Sahrens mdb_printf("\n"); 1268fa9e4066Sahrens mdb_printf("BYTES "); 1269fa9e4066Sahrens for (i = 1; i < ZIO_TYPES; i++) 1270fa9e4066Sahrens mdb_printf("%11#llx%s", vs->vs_bytes[i], 1271fa9e4066Sahrens i == ZIO_TYPES - 1 ? "" : " "); 1272fa9e4066Sahrens 1273fa9e4066Sahrens 1274fa9e4066Sahrens mdb_printf("\n"); 1275fa9e4066Sahrens mdb_printf("EREAD %10#llx\n", vs->vs_read_errors); 1276fa9e4066Sahrens mdb_printf("EWRITE %10#llx\n", vs->vs_write_errors); 1277fa9e4066Sahrens mdb_printf("ECKSUM %10#llx\n", 1278fa9e4066Sahrens vs->vs_checksum_errors); 1279fa9e4066Sahrens mdb_dec_indent(4); 1280fa9e4066Sahrens } 1281fa9e4066Sahrens 1282614409b5Sahrens if (stats) 1283fa9e4066Sahrens mdb_printf("\n"); 1284fa9e4066Sahrens } 1285fa9e4066Sahrens 1286fa9e4066Sahrens children = vdev.vdev_children; 1287fa9e4066Sahrens 1288fa9e4066Sahrens if (children == 0 || !recursive) 1289fa9e4066Sahrens return (DCMD_OK); 1290fa9e4066Sahrens 1291fa9e4066Sahrens child = mdb_alloc(children * sizeof (void *), UM_SLEEP | UM_GC); 1292fa9e4066Sahrens if (mdb_vread(child, children * sizeof (void *), 1293fa9e4066Sahrens (uintptr_t)vdev.vdev_child) == -1) { 1294fa9e4066Sahrens mdb_warn("failed to read vdev children at %p", vdev.vdev_child); 1295fa9e4066Sahrens return (DCMD_ERR); 1296fa9e4066Sahrens } 1297fa9e4066Sahrens 1298fa9e4066Sahrens for (c = 0; c < children; c++) { 1299614409b5Sahrens if (do_print_vdev(child[c], flags, depth + 2, stats, 1300fa9e4066Sahrens recursive)) 1301fa9e4066Sahrens return (DCMD_ERR); 1302fa9e4066Sahrens } 1303fa9e4066Sahrens 1304fa9e4066Sahrens return (DCMD_OK); 1305fa9e4066Sahrens } 1306fa9e4066Sahrens 1307fa9e4066Sahrens static int 1308fa9e4066Sahrens vdev_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1309fa9e4066Sahrens { 1310fa9e4066Sahrens int recursive = FALSE; 1311fa9e4066Sahrens int stats = FALSE; 1312c5904d13Seschrock uint64_t depth = 0; 1313fa9e4066Sahrens 1314fa9e4066Sahrens if (mdb_getopts(argc, argv, 1315fa9e4066Sahrens 'r', MDB_OPT_SETBITS, TRUE, &recursive, 1316fa9e4066Sahrens 'e', MDB_OPT_SETBITS, TRUE, &stats, 1317c5904d13Seschrock 'd', MDB_OPT_UINT64, &depth, 1318fa9e4066Sahrens NULL) != argc) 1319fa9e4066Sahrens return (DCMD_USAGE); 1320fa9e4066Sahrens 1321fa9e4066Sahrens if (!(flags & DCMD_ADDRSPEC)) { 1322fa9e4066Sahrens mdb_warn("no vdev_t address given\n"); 1323fa9e4066Sahrens return (DCMD_ERR); 1324fa9e4066Sahrens } 1325fa9e4066Sahrens 1326c5904d13Seschrock return (do_print_vdev(addr, flags, (int)depth, stats, recursive)); 1327fa9e4066Sahrens } 1328fa9e4066Sahrens 13295f5f7a6fSahrens typedef struct metaslab_walk_data { 13305f5f7a6fSahrens uint64_t mw_numvdevs; 13315f5f7a6fSahrens uintptr_t *mw_vdevs; 13325f5f7a6fSahrens int mw_curvdev; 13335f5f7a6fSahrens uint64_t mw_nummss; 13345f5f7a6fSahrens uintptr_t *mw_mss; 13355f5f7a6fSahrens int mw_curms; 13365f5f7a6fSahrens } metaslab_walk_data_t; 13375f5f7a6fSahrens 13385f5f7a6fSahrens static int 13395f5f7a6fSahrens metaslab_walk_step(mdb_walk_state_t *wsp) 13405f5f7a6fSahrens { 13415f5f7a6fSahrens metaslab_walk_data_t *mw = wsp->walk_data; 13425f5f7a6fSahrens metaslab_t ms; 13435f5f7a6fSahrens uintptr_t msp; 13445f5f7a6fSahrens 13455f5f7a6fSahrens if (mw->mw_curvdev >= mw->mw_numvdevs) 13465f5f7a6fSahrens return (WALK_DONE); 13475f5f7a6fSahrens 13485f5f7a6fSahrens if (mw->mw_mss == NULL) { 13495f5f7a6fSahrens uintptr_t mssp; 13505f5f7a6fSahrens uintptr_t vdevp; 13515f5f7a6fSahrens 13525f5f7a6fSahrens ASSERT(mw->mw_curms == 0); 13535f5f7a6fSahrens ASSERT(mw->mw_nummss == 0); 13545f5f7a6fSahrens 13555f5f7a6fSahrens vdevp = mw->mw_vdevs[mw->mw_curvdev]; 135628e4da25SMatthew Ahrens if (GETMEMB(vdevp, "vdev", vdev_ms, mssp) || 135728e4da25SMatthew Ahrens GETMEMB(vdevp, "vdev", vdev_ms_count, mw->mw_nummss)) { 13585f5f7a6fSahrens return (WALK_ERR); 13595f5f7a6fSahrens } 13605f5f7a6fSahrens 13615f5f7a6fSahrens mw->mw_mss = mdb_alloc(mw->mw_nummss * sizeof (void*), 13625f5f7a6fSahrens UM_SLEEP | UM_GC); 13635f5f7a6fSahrens if (mdb_vread(mw->mw_mss, mw->mw_nummss * sizeof (void*), 13645f5f7a6fSahrens mssp) == -1) { 13655f5f7a6fSahrens mdb_warn("failed to read vdev_ms at %p", mssp); 13665f5f7a6fSahrens return (WALK_ERR); 13675f5f7a6fSahrens } 13685f5f7a6fSahrens } 13695f5f7a6fSahrens 13705f5f7a6fSahrens if (mw->mw_curms >= mw->mw_nummss) { 13715f5f7a6fSahrens mw->mw_mss = NULL; 13725f5f7a6fSahrens mw->mw_curms = 0; 13735f5f7a6fSahrens mw->mw_nummss = 0; 13745f5f7a6fSahrens mw->mw_curvdev++; 13755f5f7a6fSahrens return (WALK_NEXT); 13765f5f7a6fSahrens } 13775f5f7a6fSahrens 13785f5f7a6fSahrens msp = mw->mw_mss[mw->mw_curms]; 13795f5f7a6fSahrens if (mdb_vread(&ms, sizeof (metaslab_t), msp) == -1) { 13805f5f7a6fSahrens mdb_warn("failed to read metaslab_t at %p", msp); 13815f5f7a6fSahrens return (WALK_ERR); 13825f5f7a6fSahrens } 13835f5f7a6fSahrens 13845f5f7a6fSahrens mw->mw_curms++; 13855f5f7a6fSahrens 13865f5f7a6fSahrens return (wsp->walk_callback(msp, &ms, wsp->walk_cbdata)); 13875f5f7a6fSahrens } 13885f5f7a6fSahrens 13895f5f7a6fSahrens /* ARGSUSED */ 13905f5f7a6fSahrens static int 13915f5f7a6fSahrens metaslab_walk_init(mdb_walk_state_t *wsp) 13925f5f7a6fSahrens { 13935f5f7a6fSahrens metaslab_walk_data_t *mw; 13945f5f7a6fSahrens uintptr_t root_vdevp; 13955f5f7a6fSahrens uintptr_t childp; 13965f5f7a6fSahrens 13975f5f7a6fSahrens if (wsp->walk_addr == NULL) { 13985f5f7a6fSahrens mdb_warn("must supply address of spa_t\n"); 13995f5f7a6fSahrens return (WALK_ERR); 14005f5f7a6fSahrens } 14015f5f7a6fSahrens 14025f5f7a6fSahrens mw = mdb_zalloc(sizeof (metaslab_walk_data_t), UM_SLEEP | UM_GC); 14035f5f7a6fSahrens 140428e4da25SMatthew Ahrens if (GETMEMB(wsp->walk_addr, "spa", spa_root_vdev, root_vdevp) || 140528e4da25SMatthew Ahrens GETMEMB(root_vdevp, "vdev", vdev_children, mw->mw_numvdevs) || 140628e4da25SMatthew Ahrens GETMEMB(root_vdevp, "vdev", vdev_child, childp)) { 14075f5f7a6fSahrens return (DCMD_ERR); 14085f5f7a6fSahrens } 14095f5f7a6fSahrens 14105f5f7a6fSahrens mw->mw_vdevs = mdb_alloc(mw->mw_numvdevs * sizeof (void *), 14115f5f7a6fSahrens UM_SLEEP | UM_GC); 14125f5f7a6fSahrens if (mdb_vread(mw->mw_vdevs, mw->mw_numvdevs * sizeof (void *), 14135f5f7a6fSahrens childp) == -1) { 14145f5f7a6fSahrens mdb_warn("failed to read root vdev children at %p", childp); 14155f5f7a6fSahrens return (DCMD_ERR); 14165f5f7a6fSahrens } 14175f5f7a6fSahrens 14185f5f7a6fSahrens wsp->walk_data = mw; 14195f5f7a6fSahrens 14205f5f7a6fSahrens return (WALK_NEXT); 14215f5f7a6fSahrens } 14225f5f7a6fSahrens 1423fa9e4066Sahrens typedef struct mdb_spa { 1424fa9e4066Sahrens uintptr_t spa_dsl_pool; 1425fa9e4066Sahrens uintptr_t spa_root_vdev; 1426fa9e4066Sahrens } mdb_spa_t; 1427fa9e4066Sahrens 1428fa9e4066Sahrens typedef struct mdb_dsl_dir { 1429fa9e4066Sahrens uintptr_t dd_phys; 1430fa9e4066Sahrens int64_t dd_space_towrite[TXG_SIZE]; 1431fa9e4066Sahrens } mdb_dsl_dir_t; 1432fa9e4066Sahrens 1433fa9e4066Sahrens typedef struct mdb_dsl_dir_phys { 1434fa9e4066Sahrens uint64_t dd_used_bytes; 1435fa9e4066Sahrens uint64_t dd_compressed_bytes; 1436fa9e4066Sahrens uint64_t dd_uncompressed_bytes; 1437fa9e4066Sahrens } mdb_dsl_dir_phys_t; 1438fa9e4066Sahrens 1439fa9e4066Sahrens typedef struct mdb_vdev { 1440fa9e4066Sahrens uintptr_t vdev_parent; 1441fa9e4066Sahrens uintptr_t vdev_ms; 1442fa9e4066Sahrens uint64_t vdev_ms_count; 1443fa9e4066Sahrens vdev_stat_t vdev_stat; 1444fa9e4066Sahrens } mdb_vdev_t; 1445fa9e4066Sahrens 1446fa9e4066Sahrens typedef struct mdb_metaslab { 1447fa9e4066Sahrens space_map_t ms_allocmap[TXG_SIZE]; 1448fa9e4066Sahrens space_map_t ms_freemap[TXG_SIZE]; 1449fa9e4066Sahrens space_map_t ms_map; 1450ecc2d604Sbonwick space_map_obj_t ms_smo; 14515f5f7a6fSahrens space_map_obj_t ms_smo_syncing; 1452fa9e4066Sahrens } mdb_metaslab_t; 1453fa9e4066Sahrens 14545f5f7a6fSahrens typedef struct space_data { 14555f5f7a6fSahrens uint64_t ms_allocmap[TXG_SIZE]; 14565f5f7a6fSahrens uint64_t ms_freemap[TXG_SIZE]; 14575f5f7a6fSahrens uint64_t ms_map; 14585f5f7a6fSahrens uint64_t avail; 14595f5f7a6fSahrens uint64_t nowavail; 14605f5f7a6fSahrens } space_data_t; 14615f5f7a6fSahrens 14625f5f7a6fSahrens /* ARGSUSED */ 14635f5f7a6fSahrens static int 14645f5f7a6fSahrens space_cb(uintptr_t addr, const void *unknown, void *arg) 14655f5f7a6fSahrens { 14665f5f7a6fSahrens space_data_t *sd = arg; 14675f5f7a6fSahrens mdb_metaslab_t ms; 14685f5f7a6fSahrens 146928e4da25SMatthew Ahrens if (GETMEMB(addr, "metaslab", ms_allocmap, ms.ms_allocmap) || 147028e4da25SMatthew Ahrens GETMEMB(addr, "metaslab", ms_freemap, ms.ms_freemap) || 147128e4da25SMatthew Ahrens GETMEMB(addr, "metaslab", ms_map, ms.ms_map) || 147228e4da25SMatthew Ahrens GETMEMB(addr, "metaslab", ms_smo, ms.ms_smo) || 147328e4da25SMatthew Ahrens GETMEMB(addr, "metaslab", ms_smo_syncing, ms.ms_smo_syncing)) { 14745f5f7a6fSahrens return (WALK_ERR); 14755f5f7a6fSahrens } 14765f5f7a6fSahrens 14775f5f7a6fSahrens sd->ms_allocmap[0] += ms.ms_allocmap[0].sm_space; 14785f5f7a6fSahrens sd->ms_allocmap[1] += ms.ms_allocmap[1].sm_space; 14795f5f7a6fSahrens sd->ms_allocmap[2] += ms.ms_allocmap[2].sm_space; 14805f5f7a6fSahrens sd->ms_allocmap[3] += ms.ms_allocmap[3].sm_space; 14815f5f7a6fSahrens sd->ms_freemap[0] += ms.ms_freemap[0].sm_space; 14825f5f7a6fSahrens sd->ms_freemap[1] += ms.ms_freemap[1].sm_space; 14835f5f7a6fSahrens sd->ms_freemap[2] += ms.ms_freemap[2].sm_space; 14845f5f7a6fSahrens sd->ms_freemap[3] += ms.ms_freemap[3].sm_space; 14855f5f7a6fSahrens sd->ms_map += ms.ms_map.sm_space; 14865f5f7a6fSahrens sd->avail += ms.ms_map.sm_size - ms.ms_smo.smo_alloc; 14875f5f7a6fSahrens sd->nowavail += ms.ms_map.sm_size - ms.ms_smo_syncing.smo_alloc; 14885f5f7a6fSahrens 14895f5f7a6fSahrens return (WALK_NEXT); 14905f5f7a6fSahrens } 14915f5f7a6fSahrens 1492fa9e4066Sahrens /* 1493fa9e4066Sahrens * ::spa_space [-b] 1494fa9e4066Sahrens * 1495fa9e4066Sahrens * Given a spa_t, print out it's on-disk space usage and in-core 1496fa9e4066Sahrens * estimates of future usage. If -b is given, print space in bytes. 1497fa9e4066Sahrens * Otherwise print in megabytes. 1498fa9e4066Sahrens */ 1499fa9e4066Sahrens /* ARGSUSED */ 1500fa9e4066Sahrens static int 1501fa9e4066Sahrens spa_space(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1502fa9e4066Sahrens { 1503fa9e4066Sahrens mdb_spa_t spa; 1504fa9e4066Sahrens uintptr_t dp_root_dir; 1505fa9e4066Sahrens mdb_dsl_dir_t dd; 1506fa9e4066Sahrens mdb_dsl_dir_phys_t dsp; 1507fa9e4066Sahrens uint64_t children; 1508fa9e4066Sahrens uintptr_t childaddr; 15095f5f7a6fSahrens space_data_t sd; 1510fa9e4066Sahrens int shift = 20; 1511fa9e4066Sahrens char *suffix = "M"; 151228e4da25SMatthew Ahrens int bytes = B_FALSE; 1513fa9e4066Sahrens 151428e4da25SMatthew Ahrens if (mdb_getopts(argc, argv, 'b', MDB_OPT_SETBITS, TRUE, &bytes, NULL) != 1515fa9e4066Sahrens argc) 1516fa9e4066Sahrens return (DCMD_USAGE); 1517fa9e4066Sahrens if (!(flags & DCMD_ADDRSPEC)) 1518fa9e4066Sahrens return (DCMD_USAGE); 1519fa9e4066Sahrens 152028e4da25SMatthew Ahrens if (bytes) { 1521fa9e4066Sahrens shift = 0; 1522fa9e4066Sahrens suffix = ""; 1523fa9e4066Sahrens } 1524fa9e4066Sahrens 152528e4da25SMatthew Ahrens if (GETMEMB(addr, "spa", spa_dsl_pool, spa.spa_dsl_pool) || 152628e4da25SMatthew Ahrens GETMEMB(addr, "spa", spa_root_vdev, spa.spa_root_vdev) || 152728e4da25SMatthew Ahrens GETMEMB(spa.spa_root_vdev, "vdev", vdev_children, children) || 152828e4da25SMatthew Ahrens GETMEMB(spa.spa_root_vdev, "vdev", vdev_child, childaddr) || 152928e4da25SMatthew Ahrens GETMEMB(spa.spa_dsl_pool, "dsl_pool", 1530fa9e4066Sahrens dp_root_dir, dp_root_dir) || 153128e4da25SMatthew Ahrens GETMEMB(dp_root_dir, "dsl_dir", dd_phys, dd.dd_phys) || 153228e4da25SMatthew Ahrens GETMEMB(dp_root_dir, "dsl_dir", 1533fa9e4066Sahrens dd_space_towrite, dd.dd_space_towrite) || 153428e4da25SMatthew Ahrens GETMEMB(dd.dd_phys, "dsl_dir_phys", 15355f5f7a6fSahrens dd_used_bytes, dsp.dd_used_bytes) || 153628e4da25SMatthew Ahrens GETMEMB(dd.dd_phys, "dsl_dir_phys", 1537fa9e4066Sahrens dd_compressed_bytes, dsp.dd_compressed_bytes) || 153828e4da25SMatthew Ahrens GETMEMB(dd.dd_phys, "dsl_dir_phys", 1539fa9e4066Sahrens dd_uncompressed_bytes, dsp.dd_uncompressed_bytes)) { 1540fa9e4066Sahrens return (DCMD_ERR); 1541fa9e4066Sahrens } 1542fa9e4066Sahrens 1543fa9e4066Sahrens mdb_printf("dd_space_towrite = %llu%s %llu%s %llu%s %llu%s\n", 1544fa9e4066Sahrens dd.dd_space_towrite[0] >> shift, suffix, 1545fa9e4066Sahrens dd.dd_space_towrite[1] >> shift, suffix, 1546fa9e4066Sahrens dd.dd_space_towrite[2] >> shift, suffix, 1547fa9e4066Sahrens dd.dd_space_towrite[3] >> shift, suffix); 1548fa9e4066Sahrens 1549fa9e4066Sahrens mdb_printf("dd_phys.dd_used_bytes = %llu%s\n", 1550fa9e4066Sahrens dsp.dd_used_bytes >> shift, suffix); 15515f5f7a6fSahrens mdb_printf("dd_phys.dd_compressed_bytes = %llu%s\n", 15525f5f7a6fSahrens dsp.dd_compressed_bytes >> shift, suffix); 15535f5f7a6fSahrens mdb_printf("dd_phys.dd_uncompressed_bytes = %llu%s\n", 15545f5f7a6fSahrens dsp.dd_uncompressed_bytes >> shift, suffix); 15555f5f7a6fSahrens 15565f5f7a6fSahrens bzero(&sd, sizeof (sd)); 15575f5f7a6fSahrens if (mdb_pwalk("metaslab", space_cb, &sd, addr) != 0) { 15585f5f7a6fSahrens mdb_warn("can't walk metaslabs"); 15595f5f7a6fSahrens return (DCMD_ERR); 1560fa9e4066Sahrens } 1561fa9e4066Sahrens 1562fa9e4066Sahrens mdb_printf("ms_allocmap = %llu%s %llu%s %llu%s %llu%s\n", 15635f5f7a6fSahrens sd.ms_allocmap[0] >> shift, suffix, 15645f5f7a6fSahrens sd.ms_allocmap[1] >> shift, suffix, 15655f5f7a6fSahrens sd.ms_allocmap[2] >> shift, suffix, 15665f5f7a6fSahrens sd.ms_allocmap[3] >> shift, suffix); 1567fa9e4066Sahrens mdb_printf("ms_freemap = %llu%s %llu%s %llu%s %llu%s\n", 15685f5f7a6fSahrens sd.ms_freemap[0] >> shift, suffix, 15695f5f7a6fSahrens sd.ms_freemap[1] >> shift, suffix, 15705f5f7a6fSahrens sd.ms_freemap[2] >> shift, suffix, 15715f5f7a6fSahrens sd.ms_freemap[3] >> shift, suffix); 15725f5f7a6fSahrens mdb_printf("ms_map = %llu%s\n", sd.ms_map >> shift, suffix); 15735f5f7a6fSahrens mdb_printf("last synced avail = %llu%s\n", sd.avail >> shift, suffix); 15745f5f7a6fSahrens mdb_printf("current syncing avail = %llu%s\n", 15755f5f7a6fSahrens sd.nowavail >> shift, suffix); 1576fa9e4066Sahrens 1577fa9e4066Sahrens return (DCMD_OK); 1578fa9e4066Sahrens } 1579fa9e4066Sahrens 1580fa9e4066Sahrens /* 1581fa9e4066Sahrens * ::spa_verify 1582fa9e4066Sahrens * 1583fa9e4066Sahrens * Given a spa_t, verify that that the pool is self-consistent. 1584fa9e4066Sahrens * Currently, it only checks to make sure that the vdev tree exists. 1585fa9e4066Sahrens */ 1586fa9e4066Sahrens /* ARGSUSED */ 1587fa9e4066Sahrens static int 1588fa9e4066Sahrens spa_verify(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1589fa9e4066Sahrens { 1590fa9e4066Sahrens spa_t spa; 1591fa9e4066Sahrens 1592fa9e4066Sahrens if (argc != 0 || !(flags & DCMD_ADDRSPEC)) 1593fa9e4066Sahrens return (DCMD_USAGE); 1594fa9e4066Sahrens 1595fa9e4066Sahrens if (mdb_vread(&spa, sizeof (spa), addr) == -1) { 1596fa9e4066Sahrens mdb_warn("failed to read spa_t at %p", addr); 1597fa9e4066Sahrens return (DCMD_ERR); 1598fa9e4066Sahrens } 1599fa9e4066Sahrens 1600fa9e4066Sahrens if (spa.spa_root_vdev == NULL) { 1601fa9e4066Sahrens mdb_printf("no vdev tree present\n"); 1602fa9e4066Sahrens return (DCMD_OK); 1603fa9e4066Sahrens } 1604fa9e4066Sahrens 1605fa9e4066Sahrens return (DCMD_OK); 1606fa9e4066Sahrens } 1607fa9e4066Sahrens 1608ec9f632eSEric Schrock static int 1609ec9f632eSEric Schrock spa_print_aux(spa_aux_vdev_t *sav, uint_t flags, mdb_arg_t *v, 1610ec9f632eSEric Schrock const char *name) 1611ec9f632eSEric Schrock { 1612ec9f632eSEric Schrock uintptr_t *aux; 1613ec9f632eSEric Schrock size_t len; 1614ec9f632eSEric Schrock int ret, i; 1615ec9f632eSEric Schrock 1616ec9f632eSEric Schrock /* 1617ec9f632eSEric Schrock * Iterate over aux vdevs and print those out as well. This is a 1618ec9f632eSEric Schrock * little annoying because we don't have a root vdev to pass to ::vdev. 1619ec9f632eSEric Schrock * Instead, we print a single line and then call it for each child 1620ec9f632eSEric Schrock * vdev. 1621ec9f632eSEric Schrock */ 1622ec9f632eSEric Schrock if (sav->sav_count != 0) { 1623ec9f632eSEric Schrock v[1].a_type = MDB_TYPE_STRING; 1624ec9f632eSEric Schrock v[1].a_un.a_str = "-d"; 1625ec9f632eSEric Schrock v[2].a_type = MDB_TYPE_IMMEDIATE; 1626ec9f632eSEric Schrock v[2].a_un.a_val = 2; 1627ec9f632eSEric Schrock 1628ec9f632eSEric Schrock len = sav->sav_count * sizeof (uintptr_t); 1629ec9f632eSEric Schrock aux = mdb_alloc(len, UM_SLEEP); 1630ec9f632eSEric Schrock if (mdb_vread(aux, len, 1631ec9f632eSEric Schrock (uintptr_t)sav->sav_vdevs) == -1) { 1632ec9f632eSEric Schrock mdb_free(aux, len); 1633ec9f632eSEric Schrock mdb_warn("failed to read l2cache vdevs at %p", 1634ec9f632eSEric Schrock sav->sav_vdevs); 1635ec9f632eSEric Schrock return (DCMD_ERR); 1636ec9f632eSEric Schrock } 1637ec9f632eSEric Schrock 1638ec9f632eSEric Schrock mdb_printf("%-?s %-9s %-12s %s\n", "-", "-", "-", name); 1639ec9f632eSEric Schrock 1640ec9f632eSEric Schrock for (i = 0; i < sav->sav_count; i++) { 1641ec9f632eSEric Schrock ret = mdb_call_dcmd("vdev", aux[i], flags, 3, v); 1642ec9f632eSEric Schrock if (ret != DCMD_OK) { 1643ec9f632eSEric Schrock mdb_free(aux, len); 1644ec9f632eSEric Schrock return (ret); 1645ec9f632eSEric Schrock } 1646ec9f632eSEric Schrock } 1647ec9f632eSEric Schrock 1648ec9f632eSEric Schrock mdb_free(aux, len); 1649ec9f632eSEric Schrock } 1650ec9f632eSEric Schrock 1651ec9f632eSEric Schrock return (0); 1652ec9f632eSEric Schrock } 1653ec9f632eSEric Schrock 1654fa9e4066Sahrens /* 1655fa9e4066Sahrens * ::spa_vdevs 1656fa9e4066Sahrens * 1657fa9e4066Sahrens * -e Include error stats 1658fa9e4066Sahrens * 1659fa9e4066Sahrens * Print out a summarized list of vdevs for the given spa_t. 1660c5904d13Seschrock * This is accomplished by invoking "::vdev -re" on the root vdev, as well as 1661c5904d13Seschrock * iterating over the cache devices. 1662fa9e4066Sahrens */ 1663fa9e4066Sahrens /* ARGSUSED */ 1664fa9e4066Sahrens static int 1665fa9e4066Sahrens spa_vdevs(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1666fa9e4066Sahrens { 1667fa9e4066Sahrens spa_t spa; 1668c5904d13Seschrock mdb_arg_t v[3]; 1669fa9e4066Sahrens int errors = FALSE; 1670ec9f632eSEric Schrock int ret; 1671fa9e4066Sahrens 1672fa9e4066Sahrens if (mdb_getopts(argc, argv, 1673fa9e4066Sahrens 'e', MDB_OPT_SETBITS, TRUE, &errors, 1674fa9e4066Sahrens NULL) != argc) 1675fa9e4066Sahrens return (DCMD_USAGE); 1676fa9e4066Sahrens 1677fa9e4066Sahrens if (!(flags & DCMD_ADDRSPEC)) 1678fa9e4066Sahrens return (DCMD_USAGE); 1679fa9e4066Sahrens 1680fa9e4066Sahrens if (mdb_vread(&spa, sizeof (spa), addr) == -1) { 1681fa9e4066Sahrens mdb_warn("failed to read spa_t at %p", addr); 1682fa9e4066Sahrens return (DCMD_ERR); 1683fa9e4066Sahrens } 1684fa9e4066Sahrens 1685088e9d47Seschrock /* 1686088e9d47Seschrock * Unitialized spa_t structures can have a NULL root vdev. 1687088e9d47Seschrock */ 1688088e9d47Seschrock if (spa.spa_root_vdev == NULL) { 1689088e9d47Seschrock mdb_printf("no associated vdevs\n"); 1690088e9d47Seschrock return (DCMD_OK); 1691088e9d47Seschrock } 1692088e9d47Seschrock 1693c5904d13Seschrock v[0].a_type = MDB_TYPE_STRING; 1694c5904d13Seschrock v[0].a_un.a_str = errors ? "-re" : "-r"; 1695fa9e4066Sahrens 1696c5904d13Seschrock ret = mdb_call_dcmd("vdev", (uintptr_t)spa.spa_root_vdev, 1697c5904d13Seschrock flags, 1, v); 1698c5904d13Seschrock if (ret != DCMD_OK) 1699c5904d13Seschrock return (ret); 1700c5904d13Seschrock 1701ec9f632eSEric Schrock if (spa_print_aux(&spa.spa_l2cache, flags, v, "cache") != 0 || 1702ec9f632eSEric Schrock spa_print_aux(&spa.spa_spares, flags, v, "spares") != 0) 1703ec9f632eSEric Schrock return (DCMD_ERR); 1704c5904d13Seschrock 1705c5904d13Seschrock return (DCMD_OK); 1706fa9e4066Sahrens } 1707fa9e4066Sahrens 1708ccae0b50Seschrock /* 1709ccae0b50Seschrock * ::zio 1710ccae0b50Seschrock * 1711ccae0b50Seschrock * Print a summary of zio_t and all its children. This is intended to display a 1712ccae0b50Seschrock * zio tree, and hence we only pick the most important pieces of information for 1713ccae0b50Seschrock * the main summary. More detailed information can always be found by doing a 1714ccae0b50Seschrock * '::print zio' on the underlying zio_t. The columns we display are: 1715ccae0b50Seschrock * 1716c55e05cbSMatthew Ahrens * ADDRESS TYPE STAGE WAITER TIME_ELAPSED 1717ccae0b50Seschrock * 1718ccae0b50Seschrock * The 'address' column is indented by one space for each depth level as we 1719ccae0b50Seschrock * descend down the tree. 1720ccae0b50Seschrock */ 1721fac3008cSeschrock 1722c55e05cbSMatthew Ahrens #define ZIO_MAXINDENT 7 1723a3f829aeSBill Moore #define ZIO_MAXWIDTH (sizeof (uintptr_t) * 2 + ZIO_MAXINDENT) 1724a3f829aeSBill Moore #define ZIO_WALK_SELF 0 1725a3f829aeSBill Moore #define ZIO_WALK_CHILD 1 1726a3f829aeSBill Moore #define ZIO_WALK_PARENT 2 1727a3f829aeSBill Moore 1728a3f829aeSBill Moore typedef struct zio_print_args { 1729a3f829aeSBill Moore int zpa_current_depth; 1730a3f829aeSBill Moore int zpa_min_depth; 1731a3f829aeSBill Moore int zpa_max_depth; 1732a3f829aeSBill Moore int zpa_type; 1733a3f829aeSBill Moore uint_t zpa_flags; 1734a3f829aeSBill Moore } zio_print_args_t; 1735a3f829aeSBill Moore 173628e4da25SMatthew Ahrens typedef struct mdb_zio { 173728e4da25SMatthew Ahrens enum zio_type io_type; 173828e4da25SMatthew Ahrens enum zio_stage io_stage; 1739*d5ee8a13SMatthew Ahrens uintptr_t io_waiter; 1740*d5ee8a13SMatthew Ahrens uintptr_t io_spa; 174128e4da25SMatthew Ahrens struct { 174228e4da25SMatthew Ahrens struct { 1743*d5ee8a13SMatthew Ahrens uintptr_t list_next; 174428e4da25SMatthew Ahrens } list_head; 174528e4da25SMatthew Ahrens } io_parent_list; 174628e4da25SMatthew Ahrens int io_error; 174728e4da25SMatthew Ahrens } mdb_zio_t; 174828e4da25SMatthew Ahrens 1749c55e05cbSMatthew Ahrens typedef struct mdb_zio_timestamp { 1750c55e05cbSMatthew Ahrens hrtime_t io_timestamp; 1751c55e05cbSMatthew Ahrens } mdb_zio_timestamp_t; 1752c55e05cbSMatthew Ahrens 1753a3f829aeSBill Moore static int zio_child_cb(uintptr_t addr, const void *unknown, void *arg); 1754fac3008cSeschrock 1755ccae0b50Seschrock static int 1756c55e05cbSMatthew Ahrens zio_print_cb(uintptr_t addr, zio_print_args_t *zpa) 1757ccae0b50Seschrock { 1758ccae0b50Seschrock mdb_ctf_id_t type_enum, stage_enum; 1759a3f829aeSBill Moore int indent = zpa->zpa_current_depth; 1760ccae0b50Seschrock const char *type, *stage; 1761a3f829aeSBill Moore uintptr_t laddr; 1762c55e05cbSMatthew Ahrens mdb_zio_t zio; 1763c55e05cbSMatthew Ahrens mdb_zio_timestamp_t zio_timestamp = { 0 }; 1764c55e05cbSMatthew Ahrens 1765c55e05cbSMatthew Ahrens if (mdb_ctf_vread(&zio, ZFS_STRUCT "zio", "mdb_zio_t", addr, 0) == -1) 1766c55e05cbSMatthew Ahrens return (WALK_ERR); 1767c55e05cbSMatthew Ahrens (void) mdb_ctf_vread(&zio_timestamp, ZFS_STRUCT "zio", 1768c55e05cbSMatthew Ahrens "mdb_zio_timestamp_t", addr, MDB_CTF_VREAD_QUIET); 1769ccae0b50Seschrock 1770a3f829aeSBill Moore if (indent > ZIO_MAXINDENT) 1771a3f829aeSBill Moore indent = ZIO_MAXINDENT; 1772ccae0b50Seschrock 1773ccae0b50Seschrock if (mdb_ctf_lookup_by_name("enum zio_type", &type_enum) == -1 || 1774ccae0b50Seschrock mdb_ctf_lookup_by_name("enum zio_stage", &stage_enum) == -1) { 1775ccae0b50Seschrock mdb_warn("failed to lookup zio enums"); 1776ccae0b50Seschrock return (WALK_ERR); 1777ccae0b50Seschrock } 1778ccae0b50Seschrock 1779c55e05cbSMatthew Ahrens if ((type = mdb_ctf_enum_name(type_enum, zio.io_type)) != NULL) 1780ccae0b50Seschrock type += sizeof ("ZIO_TYPE_") - 1; 1781ccae0b50Seschrock else 1782ccae0b50Seschrock type = "?"; 1783ccae0b50Seschrock 1784c55e05cbSMatthew Ahrens if (zio.io_error == 0) { 1785c55e05cbSMatthew Ahrens stage = mdb_ctf_enum_name(stage_enum, zio.io_stage); 178628e4da25SMatthew Ahrens if (stage != NULL) 178728e4da25SMatthew Ahrens stage += sizeof ("ZIO_STAGE_") - 1; 178828e4da25SMatthew Ahrens else 178928e4da25SMatthew Ahrens stage = "?"; 179028e4da25SMatthew Ahrens } else { 179128e4da25SMatthew Ahrens stage = "FAILED"; 179228e4da25SMatthew Ahrens } 1793ccae0b50Seschrock 1794a3f829aeSBill Moore if (zpa->zpa_current_depth >= zpa->zpa_min_depth) { 1795a3f829aeSBill Moore if (zpa->zpa_flags & DCMD_PIPE_OUT) { 1796a3f829aeSBill Moore mdb_printf("%?p\n", addr); 1797a3f829aeSBill Moore } else { 1798a3f829aeSBill Moore mdb_printf("%*s%-*p %-5s %-16s ", indent, "", 1799a3f829aeSBill Moore ZIO_MAXWIDTH - indent, addr, type, stage); 1800*d5ee8a13SMatthew Ahrens if (zio.io_waiter != 0) 1801*d5ee8a13SMatthew Ahrens mdb_printf("%-16lx ", zio.io_waiter); 1802a3f829aeSBill Moore else 1803c55e05cbSMatthew Ahrens mdb_printf("%-16s ", "-"); 1804c55e05cbSMatthew Ahrens #ifdef _KERNEL 1805c55e05cbSMatthew Ahrens if (zio_timestamp.io_timestamp != 0) { 1806c55e05cbSMatthew Ahrens mdb_printf("%llums", (mdb_gethrtime() - 1807c55e05cbSMatthew Ahrens zio_timestamp.io_timestamp) / 1808c55e05cbSMatthew Ahrens 1000000); 1809c55e05cbSMatthew Ahrens } else { 1810c55e05cbSMatthew Ahrens mdb_printf("%-12s ", "-"); 1811c55e05cbSMatthew Ahrens } 1812c55e05cbSMatthew Ahrens #else 1813c55e05cbSMatthew Ahrens mdb_printf("%-12s ", "-"); 1814c55e05cbSMatthew Ahrens #endif 1815c55e05cbSMatthew Ahrens mdb_printf("\n"); 1816a3f829aeSBill Moore } 1817a3f829aeSBill Moore } 1818a3f829aeSBill Moore 1819a3f829aeSBill Moore if (zpa->zpa_current_depth >= zpa->zpa_max_depth) 1820a3f829aeSBill Moore return (WALK_NEXT); 1821ccae0b50Seschrock 1822a3f829aeSBill Moore if (zpa->zpa_type == ZIO_WALK_PARENT) 182328e4da25SMatthew Ahrens laddr = addr + mdb_ctf_offsetof_by_name(ZFS_STRUCT "zio", 182428e4da25SMatthew Ahrens "io_parent_list"); 1825ccae0b50Seschrock else 182628e4da25SMatthew Ahrens laddr = addr + mdb_ctf_offsetof_by_name(ZFS_STRUCT "zio", 182728e4da25SMatthew Ahrens "io_child_list"); 1828ccae0b50Seschrock 1829a3f829aeSBill Moore zpa->zpa_current_depth++; 1830a3f829aeSBill Moore if (mdb_pwalk("list", zio_child_cb, zpa, laddr) != 0) { 1831a3f829aeSBill Moore mdb_warn("failed to walk zio_t children at %p\n", laddr); 1832ccae0b50Seschrock return (WALK_ERR); 1833ccae0b50Seschrock } 1834a3f829aeSBill Moore zpa->zpa_current_depth--; 1835ccae0b50Seschrock 1836ccae0b50Seschrock return (WALK_NEXT); 1837ccae0b50Seschrock } 1838ccae0b50Seschrock 1839a3f829aeSBill Moore /* ARGSUSED */ 1840ccae0b50Seschrock static int 1841a3f829aeSBill Moore zio_child_cb(uintptr_t addr, const void *unknown, void *arg) 1842ccae0b50Seschrock { 1843a3f829aeSBill Moore zio_link_t zl; 1844a3f829aeSBill Moore uintptr_t ziop; 1845a3f829aeSBill Moore zio_print_args_t *zpa = arg; 1846a3f829aeSBill Moore 1847a3f829aeSBill Moore if (mdb_vread(&zl, sizeof (zl), addr) == -1) { 1848a3f829aeSBill Moore mdb_warn("failed to read zio_link_t at %p", addr); 1849a3f829aeSBill Moore return (WALK_ERR); 1850a3f829aeSBill Moore } 1851a3f829aeSBill Moore 1852a3f829aeSBill Moore if (zpa->zpa_type == ZIO_WALK_PARENT) 1853a3f829aeSBill Moore ziop = (uintptr_t)zl.zl_parent; 1854a3f829aeSBill Moore else 1855a3f829aeSBill Moore ziop = (uintptr_t)zl.zl_child; 1856a3f829aeSBill Moore 1857c55e05cbSMatthew Ahrens return (zio_print_cb(ziop, arg)); 1858a3f829aeSBill Moore } 1859a3f829aeSBill Moore 1860a3f829aeSBill Moore /* ARGSUSED */ 1861a3f829aeSBill Moore static int 1862a3f829aeSBill Moore zio_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1863a3f829aeSBill Moore { 1864a3f829aeSBill Moore zio_print_args_t zpa = { 0 }; 1865ccae0b50Seschrock 1866ccae0b50Seschrock if (!(flags & DCMD_ADDRSPEC)) 1867ccae0b50Seschrock return (DCMD_USAGE); 1868ccae0b50Seschrock 1869a3f829aeSBill Moore if (mdb_getopts(argc, argv, 1870a3f829aeSBill Moore 'r', MDB_OPT_SETBITS, INT_MAX, &zpa.zpa_max_depth, 1871a3f829aeSBill Moore 'c', MDB_OPT_SETBITS, ZIO_WALK_CHILD, &zpa.zpa_type, 1872a3f829aeSBill Moore 'p', MDB_OPT_SETBITS, ZIO_WALK_PARENT, &zpa.zpa_type, 1873a3f829aeSBill Moore NULL) != argc) 1874a3f829aeSBill Moore return (DCMD_USAGE); 1875a3f829aeSBill Moore 1876a3f829aeSBill Moore zpa.zpa_flags = flags; 1877a3f829aeSBill Moore if (zpa.zpa_max_depth != 0) { 1878a3f829aeSBill Moore if (zpa.zpa_type == ZIO_WALK_SELF) 1879a3f829aeSBill Moore zpa.zpa_type = ZIO_WALK_CHILD; 1880a3f829aeSBill Moore } else if (zpa.zpa_type != ZIO_WALK_SELF) { 1881a3f829aeSBill Moore zpa.zpa_min_depth = 1; 1882a3f829aeSBill Moore zpa.zpa_max_depth = 1; 1883a3f829aeSBill Moore } 1884a3f829aeSBill Moore 1885c55e05cbSMatthew Ahrens if (!(flags & DCMD_PIPE_OUT) && DCMD_HDRSPEC(flags)) { 1886c55e05cbSMatthew Ahrens mdb_printf("%<u>%-*s %-5s %-16s %-16s %-12s%</u>\n", 1887c55e05cbSMatthew Ahrens ZIO_MAXWIDTH, "ADDRESS", "TYPE", "STAGE", "WAITER", 1888c55e05cbSMatthew Ahrens "TIME_ELAPSED"); 1889c55e05cbSMatthew Ahrens } 1890fac3008cSeschrock 1891c55e05cbSMatthew Ahrens if (zio_print_cb(addr, &zpa) != WALK_NEXT) 1892ccae0b50Seschrock return (DCMD_ERR); 1893ccae0b50Seschrock 1894ccae0b50Seschrock return (DCMD_OK); 1895ccae0b50Seschrock } 1896ccae0b50Seschrock 1897ccae0b50Seschrock /* 1898ccae0b50Seschrock * [addr]::zio_state 1899ccae0b50Seschrock * 1900ccae0b50Seschrock * Print a summary of all zio_t structures on the system, or for a particular 1901ccae0b50Seschrock * pool. This is equivalent to '::walk zio_root | ::zio'. 1902ccae0b50Seschrock */ 1903ccae0b50Seschrock /*ARGSUSED*/ 1904ccae0b50Seschrock static int 1905ccae0b50Seschrock zio_state(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1906ccae0b50Seschrock { 1907ccae0b50Seschrock /* 1908ccae0b50Seschrock * MDB will remember the last address of the pipeline, so if we don't 1909ccae0b50Seschrock * zero this we'll end up trying to walk zio structures for a 1910ccae0b50Seschrock * non-existent spa_t. 1911ccae0b50Seschrock */ 1912ccae0b50Seschrock if (!(flags & DCMD_ADDRSPEC)) 1913ccae0b50Seschrock addr = 0; 1914ccae0b50Seschrock 1915ccae0b50Seschrock return (mdb_pwalk_dcmd("zio_root", "zio", argc, argv, addr)); 1916ccae0b50Seschrock } 1917ccae0b50Seschrock 1918fa9e4066Sahrens typedef struct txg_list_walk_data { 1919fa9e4066Sahrens uintptr_t lw_head[TXG_SIZE]; 1920fa9e4066Sahrens int lw_txgoff; 1921fa9e4066Sahrens int lw_maxoff; 1922fa9e4066Sahrens size_t lw_offset; 1923fa9e4066Sahrens void *lw_obj; 1924fa9e4066Sahrens } txg_list_walk_data_t; 1925fa9e4066Sahrens 1926fa9e4066Sahrens static int 1927fa9e4066Sahrens txg_list_walk_init_common(mdb_walk_state_t *wsp, int txg, int maxoff) 1928fa9e4066Sahrens { 1929fa9e4066Sahrens txg_list_walk_data_t *lwd; 1930fa9e4066Sahrens txg_list_t list; 1931fa9e4066Sahrens int i; 1932fa9e4066Sahrens 1933fa9e4066Sahrens lwd = mdb_alloc(sizeof (txg_list_walk_data_t), UM_SLEEP | UM_GC); 1934fa9e4066Sahrens if (mdb_vread(&list, sizeof (txg_list_t), wsp->walk_addr) == -1) { 1935fa9e4066Sahrens mdb_warn("failed to read txg_list_t at %#lx", wsp->walk_addr); 1936fa9e4066Sahrens return (WALK_ERR); 1937fa9e4066Sahrens } 1938fa9e4066Sahrens 1939fa9e4066Sahrens for (i = 0; i < TXG_SIZE; i++) 1940fa9e4066Sahrens lwd->lw_head[i] = (uintptr_t)list.tl_head[i]; 1941fa9e4066Sahrens lwd->lw_offset = list.tl_offset; 1942fa9e4066Sahrens lwd->lw_obj = mdb_alloc(lwd->lw_offset + sizeof (txg_node_t), 1943fa9e4066Sahrens UM_SLEEP | UM_GC); 1944fa9e4066Sahrens lwd->lw_txgoff = txg; 1945fa9e4066Sahrens lwd->lw_maxoff = maxoff; 1946fa9e4066Sahrens 1947fa9e4066Sahrens wsp->walk_addr = lwd->lw_head[lwd->lw_txgoff]; 1948fa9e4066Sahrens wsp->walk_data = lwd; 1949fa9e4066Sahrens 1950fa9e4066Sahrens return (WALK_NEXT); 1951fa9e4066Sahrens } 1952fa9e4066Sahrens 1953fa9e4066Sahrens static int 1954fa9e4066Sahrens txg_list_walk_init(mdb_walk_state_t *wsp) 1955fa9e4066Sahrens { 1956fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 0, TXG_SIZE-1)); 1957fa9e4066Sahrens } 1958fa9e4066Sahrens 1959fa9e4066Sahrens static int 1960fa9e4066Sahrens txg_list0_walk_init(mdb_walk_state_t *wsp) 1961fa9e4066Sahrens { 1962fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 0, 0)); 1963fa9e4066Sahrens } 1964fa9e4066Sahrens 1965fa9e4066Sahrens static int 1966fa9e4066Sahrens txg_list1_walk_init(mdb_walk_state_t *wsp) 1967fa9e4066Sahrens { 1968fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 1, 1)); 1969fa9e4066Sahrens } 1970fa9e4066Sahrens 1971fa9e4066Sahrens static int 1972fa9e4066Sahrens txg_list2_walk_init(mdb_walk_state_t *wsp) 1973fa9e4066Sahrens { 1974fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 2, 2)); 1975fa9e4066Sahrens } 1976fa9e4066Sahrens 1977fa9e4066Sahrens static int 1978fa9e4066Sahrens txg_list3_walk_init(mdb_walk_state_t *wsp) 1979fa9e4066Sahrens { 1980fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 3, 3)); 1981fa9e4066Sahrens } 1982fa9e4066Sahrens 1983fa9e4066Sahrens static int 1984fa9e4066Sahrens txg_list_walk_step(mdb_walk_state_t *wsp) 1985fa9e4066Sahrens { 1986fa9e4066Sahrens txg_list_walk_data_t *lwd = wsp->walk_data; 1987fa9e4066Sahrens uintptr_t addr; 1988fa9e4066Sahrens txg_node_t *node; 1989fa9e4066Sahrens int status; 1990fa9e4066Sahrens 1991fa9e4066Sahrens while (wsp->walk_addr == NULL && lwd->lw_txgoff < lwd->lw_maxoff) { 1992fa9e4066Sahrens lwd->lw_txgoff++; 1993fa9e4066Sahrens wsp->walk_addr = lwd->lw_head[lwd->lw_txgoff]; 1994fa9e4066Sahrens } 1995fa9e4066Sahrens 1996fa9e4066Sahrens if (wsp->walk_addr == NULL) 1997fa9e4066Sahrens return (WALK_DONE); 1998fa9e4066Sahrens 1999fa9e4066Sahrens addr = wsp->walk_addr - lwd->lw_offset; 2000fa9e4066Sahrens 2001fa9e4066Sahrens if (mdb_vread(lwd->lw_obj, 2002fa9e4066Sahrens lwd->lw_offset + sizeof (txg_node_t), addr) == -1) { 2003fa9e4066Sahrens mdb_warn("failed to read list element at %#lx", addr); 2004fa9e4066Sahrens return (WALK_ERR); 2005fa9e4066Sahrens } 2006fa9e4066Sahrens 2007fa9e4066Sahrens status = wsp->walk_callback(addr, lwd->lw_obj, wsp->walk_cbdata); 2008fa9e4066Sahrens node = (txg_node_t *)((uintptr_t)lwd->lw_obj + lwd->lw_offset); 2009fa9e4066Sahrens wsp->walk_addr = (uintptr_t)node->tn_next[lwd->lw_txgoff]; 2010fa9e4066Sahrens 2011fa9e4066Sahrens return (status); 2012fa9e4066Sahrens } 2013fa9e4066Sahrens 2014fa9e4066Sahrens /* 2015fa9e4066Sahrens * ::walk spa 2016fa9e4066Sahrens * 2017fa9e4066Sahrens * Walk all named spa_t structures in the namespace. This is nothing more than 2018fa9e4066Sahrens * a layered avl walk. 2019fa9e4066Sahrens */ 2020fa9e4066Sahrens static int 2021fa9e4066Sahrens spa_walk_init(mdb_walk_state_t *wsp) 2022fa9e4066Sahrens { 2023fa9e4066Sahrens GElf_Sym sym; 2024fa9e4066Sahrens 2025fa9e4066Sahrens if (wsp->walk_addr != NULL) { 2026fa9e4066Sahrens mdb_warn("spa walk only supports global walks\n"); 2027fa9e4066Sahrens return (WALK_ERR); 2028fa9e4066Sahrens } 2029fa9e4066Sahrens 2030fa9e4066Sahrens if (mdb_lookup_by_obj(ZFS_OBJ_NAME, "spa_namespace_avl", &sym) == -1) { 2031fa9e4066Sahrens mdb_warn("failed to find symbol 'spa_namespace_avl'"); 2032fa9e4066Sahrens return (WALK_ERR); 2033fa9e4066Sahrens } 2034fa9e4066Sahrens 2035fa9e4066Sahrens wsp->walk_addr = (uintptr_t)sym.st_value; 2036fa9e4066Sahrens 2037fa9e4066Sahrens if (mdb_layered_walk("avl", wsp) == -1) { 2038fa9e4066Sahrens mdb_warn("failed to walk 'avl'\n"); 2039fa9e4066Sahrens return (WALK_ERR); 2040fa9e4066Sahrens } 2041fa9e4066Sahrens 2042fa9e4066Sahrens return (WALK_NEXT); 2043fa9e4066Sahrens } 2044fa9e4066Sahrens 2045fa9e4066Sahrens static int 2046fa9e4066Sahrens spa_walk_step(mdb_walk_state_t *wsp) 2047fa9e4066Sahrens { 2048fa9e4066Sahrens spa_t spa; 2049fa9e4066Sahrens 2050fa9e4066Sahrens if (mdb_vread(&spa, sizeof (spa), wsp->walk_addr) == -1) { 2051fa9e4066Sahrens mdb_warn("failed to read spa_t at %p", wsp->walk_addr); 2052fa9e4066Sahrens return (WALK_ERR); 2053fa9e4066Sahrens } 2054fa9e4066Sahrens 2055fa9e4066Sahrens return (wsp->walk_callback(wsp->walk_addr, &spa, wsp->walk_cbdata)); 2056fa9e4066Sahrens } 2057fa9e4066Sahrens 2058ccae0b50Seschrock /* 2059ccae0b50Seschrock * [addr]::walk zio 2060ccae0b50Seschrock * 2061ccae0b50Seschrock * Walk all active zio_t structures on the system. This is simply a layered 2062ccae0b50Seschrock * walk on top of ::walk zio_cache, with the optional ability to limit the 2063ccae0b50Seschrock * structures to a particular pool. 2064ccae0b50Seschrock */ 2065ccae0b50Seschrock static int 2066ccae0b50Seschrock zio_walk_init(mdb_walk_state_t *wsp) 2067ccae0b50Seschrock { 2068*d5ee8a13SMatthew Ahrens wsp->walk_data = &wsp->walk_addr; 2069ccae0b50Seschrock 2070ccae0b50Seschrock if (mdb_layered_walk("zio_cache", wsp) == -1) { 2071ccae0b50Seschrock mdb_warn("failed to walk 'zio_cache'\n"); 2072ccae0b50Seschrock return (WALK_ERR); 2073ccae0b50Seschrock } 2074ccae0b50Seschrock 2075ccae0b50Seschrock return (WALK_NEXT); 2076ccae0b50Seschrock } 2077ccae0b50Seschrock 2078ccae0b50Seschrock static int 2079ccae0b50Seschrock zio_walk_step(mdb_walk_state_t *wsp) 2080ccae0b50Seschrock { 208128e4da25SMatthew Ahrens mdb_zio_t zio; 2082*d5ee8a13SMatthew Ahrens uintptr_t *spap = wsp->walk_data; 2083ccae0b50Seschrock 208428e4da25SMatthew Ahrens if (mdb_ctf_vread(&zio, ZFS_STRUCT "zio", "mdb_zio_t", 208528e4da25SMatthew Ahrens wsp->walk_addr, 0) == -1) 2086ccae0b50Seschrock return (WALK_ERR); 2087ccae0b50Seschrock 2088*d5ee8a13SMatthew Ahrens if (*spap != 0 && *spap != zio.io_spa) 2089ccae0b50Seschrock return (WALK_NEXT); 2090ccae0b50Seschrock 2091ccae0b50Seschrock return (wsp->walk_callback(wsp->walk_addr, &zio, wsp->walk_cbdata)); 2092ccae0b50Seschrock } 2093ccae0b50Seschrock 2094ccae0b50Seschrock /* 2095ccae0b50Seschrock * [addr]::walk zio_root 2096ccae0b50Seschrock * 2097ccae0b50Seschrock * Walk only root zio_t structures, optionally for a particular spa_t. 2098ccae0b50Seschrock */ 2099ccae0b50Seschrock static int 2100ccae0b50Seschrock zio_walk_root_step(mdb_walk_state_t *wsp) 2101ccae0b50Seschrock { 210228e4da25SMatthew Ahrens mdb_zio_t zio; 2103*d5ee8a13SMatthew Ahrens uintptr_t *spap = wsp->walk_data; 2104ccae0b50Seschrock 210528e4da25SMatthew Ahrens if (mdb_ctf_vread(&zio, ZFS_STRUCT "zio", "mdb_zio_t", 210628e4da25SMatthew Ahrens wsp->walk_addr, 0) == -1) 2107ccae0b50Seschrock return (WALK_ERR); 2108ccae0b50Seschrock 2109*d5ee8a13SMatthew Ahrens if (*spap != 0 && *spap != zio.io_spa) 2110ccae0b50Seschrock return (WALK_NEXT); 2111ccae0b50Seschrock 2112a3f829aeSBill Moore /* If the parent list is not empty, ignore */ 2113*d5ee8a13SMatthew Ahrens if (zio.io_parent_list.list_head.list_next != 211428e4da25SMatthew Ahrens wsp->walk_addr + 211528e4da25SMatthew Ahrens mdb_ctf_offsetof_by_name(ZFS_STRUCT "zio", "io_parent_list") + 211628e4da25SMatthew Ahrens mdb_ctf_offsetof_by_name("struct list", "list_head")) 2117ccae0b50Seschrock return (WALK_NEXT); 2118ccae0b50Seschrock 2119ccae0b50Seschrock return (wsp->walk_callback(wsp->walk_addr, &zio, wsp->walk_cbdata)); 2120ccae0b50Seschrock } 2121ccae0b50Seschrock 212288b7b0f2SMatthew Ahrens #define NICENUM_BUFLEN 6 212388b7b0f2SMatthew Ahrens 212488b7b0f2SMatthew Ahrens static int 2125ff64c0f7SMatthew Ahrens snprintfrac(char *buf, int len, 2126ff64c0f7SMatthew Ahrens uint64_t numerator, uint64_t denom, int frac_digits) 212788b7b0f2SMatthew Ahrens { 2128ff64c0f7SMatthew Ahrens int mul = 1; 212988b7b0f2SMatthew Ahrens int whole, frac, i; 213088b7b0f2SMatthew Ahrens 213188b7b0f2SMatthew Ahrens for (i = frac_digits; i; i--) 213288b7b0f2SMatthew Ahrens mul *= 10; 2133ff64c0f7SMatthew Ahrens whole = numerator / denom; 2134ff64c0f7SMatthew Ahrens frac = mul * numerator / denom - mul * whole; 213588b7b0f2SMatthew Ahrens return (mdb_snprintf(buf, len, "%u.%0*u", whole, frac_digits, frac)); 213688b7b0f2SMatthew Ahrens } 213788b7b0f2SMatthew Ahrens 213888b7b0f2SMatthew Ahrens static void 213988b7b0f2SMatthew Ahrens mdb_nicenum(uint64_t num, char *buf) 214088b7b0f2SMatthew Ahrens { 214188b7b0f2SMatthew Ahrens uint64_t n = num; 214288b7b0f2SMatthew Ahrens int index = 0; 214388b7b0f2SMatthew Ahrens char *u; 214488b7b0f2SMatthew Ahrens 214588b7b0f2SMatthew Ahrens while (n >= 1024) { 214688b7b0f2SMatthew Ahrens n = (n + (1024 / 2)) / 1024; /* Round up or down */ 214788b7b0f2SMatthew Ahrens index++; 214888b7b0f2SMatthew Ahrens } 214988b7b0f2SMatthew Ahrens 215088b7b0f2SMatthew Ahrens u = &" \0K\0M\0G\0T\0P\0E\0"[index*2]; 215188b7b0f2SMatthew Ahrens 215288b7b0f2SMatthew Ahrens if (index == 0) { 215388b7b0f2SMatthew Ahrens (void) mdb_snprintf(buf, NICENUM_BUFLEN, "%llu", 215488b7b0f2SMatthew Ahrens (u_longlong_t)n); 215588b7b0f2SMatthew Ahrens } else if (n < 10 && (num & (num - 1)) != 0) { 2156ff64c0f7SMatthew Ahrens (void) snprintfrac(buf, NICENUM_BUFLEN, 2157ff64c0f7SMatthew Ahrens num, 1ULL << 10 * index, 2); 215888b7b0f2SMatthew Ahrens strcat(buf, u); 215988b7b0f2SMatthew Ahrens } else if (n < 100 && (num & (num - 1)) != 0) { 2160ff64c0f7SMatthew Ahrens (void) snprintfrac(buf, NICENUM_BUFLEN, 2161ff64c0f7SMatthew Ahrens num, 1ULL << 10 * index, 1); 216288b7b0f2SMatthew Ahrens strcat(buf, u); 216388b7b0f2SMatthew Ahrens } else { 216488b7b0f2SMatthew Ahrens (void) mdb_snprintf(buf, NICENUM_BUFLEN, "%llu%s", 216588b7b0f2SMatthew Ahrens (u_longlong_t)n, u); 216688b7b0f2SMatthew Ahrens } 216788b7b0f2SMatthew Ahrens } 216888b7b0f2SMatthew Ahrens 216988b7b0f2SMatthew Ahrens /* 217088b7b0f2SMatthew Ahrens * ::zfs_blkstats 217188b7b0f2SMatthew Ahrens * 217288b7b0f2SMatthew Ahrens * -v print verbose per-level information 217388b7b0f2SMatthew Ahrens * 217488b7b0f2SMatthew Ahrens */ 217588b7b0f2SMatthew Ahrens static int 217688b7b0f2SMatthew Ahrens zfs_blkstats(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 217788b7b0f2SMatthew Ahrens { 217888b7b0f2SMatthew Ahrens boolean_t verbose = B_FALSE; 217988b7b0f2SMatthew Ahrens zfs_all_blkstats_t stats; 218088b7b0f2SMatthew Ahrens dmu_object_type_t t; 218188b7b0f2SMatthew Ahrens zfs_blkstat_t *tzb; 218288b7b0f2SMatthew Ahrens uint64_t ditto; 218388b7b0f2SMatthew Ahrens dmu_object_type_info_t dmu_ot[DMU_OT_NUMTYPES + 10]; 218488b7b0f2SMatthew Ahrens /* +10 in case it grew */ 218588b7b0f2SMatthew Ahrens 218688b7b0f2SMatthew Ahrens if (mdb_readvar(&dmu_ot, "dmu_ot") == -1) { 218788b7b0f2SMatthew Ahrens mdb_warn("failed to read 'dmu_ot'"); 218888b7b0f2SMatthew Ahrens return (DCMD_ERR); 218988b7b0f2SMatthew Ahrens } 219088b7b0f2SMatthew Ahrens 219188b7b0f2SMatthew Ahrens if (mdb_getopts(argc, argv, 219288b7b0f2SMatthew Ahrens 'v', MDB_OPT_SETBITS, TRUE, &verbose, 219388b7b0f2SMatthew Ahrens NULL) != argc) 219488b7b0f2SMatthew Ahrens return (DCMD_USAGE); 219588b7b0f2SMatthew Ahrens 219688b7b0f2SMatthew Ahrens if (!(flags & DCMD_ADDRSPEC)) 219788b7b0f2SMatthew Ahrens return (DCMD_USAGE); 219888b7b0f2SMatthew Ahrens 219928e4da25SMatthew Ahrens if (GETMEMB(addr, "spa", spa_dsl_pool, addr) || 220028e4da25SMatthew Ahrens GETMEMB(addr, "dsl_pool", dp_blkstats, addr) || 220188b7b0f2SMatthew Ahrens mdb_vread(&stats, sizeof (zfs_all_blkstats_t), addr) == -1) { 220288b7b0f2SMatthew Ahrens mdb_warn("failed to read data at %p;", addr); 220388b7b0f2SMatthew Ahrens mdb_printf("maybe no stats? run \"zpool scrub\" first."); 220488b7b0f2SMatthew Ahrens return (DCMD_ERR); 220588b7b0f2SMatthew Ahrens } 220688b7b0f2SMatthew Ahrens 2207ad135b5dSChristopher Siden tzb = &stats.zab_type[DN_MAX_LEVELS][DMU_OT_TOTAL]; 220888b7b0f2SMatthew Ahrens if (tzb->zb_gangs != 0) { 220988b7b0f2SMatthew Ahrens mdb_printf("Ganged blocks: %llu\n", 221088b7b0f2SMatthew Ahrens (longlong_t)tzb->zb_gangs); 221188b7b0f2SMatthew Ahrens } 221288b7b0f2SMatthew Ahrens 221388b7b0f2SMatthew Ahrens ditto = tzb->zb_ditto_2_of_2_samevdev + tzb->zb_ditto_2_of_3_samevdev + 221488b7b0f2SMatthew Ahrens tzb->zb_ditto_3_of_3_samevdev; 221588b7b0f2SMatthew Ahrens if (ditto != 0) { 221688b7b0f2SMatthew Ahrens mdb_printf("Dittoed blocks on same vdev: %llu\n", 221788b7b0f2SMatthew Ahrens (longlong_t)ditto); 221888b7b0f2SMatthew Ahrens } 221988b7b0f2SMatthew Ahrens 222088b7b0f2SMatthew Ahrens mdb_printf("\nBlocks\tLSIZE\tPSIZE\tASIZE" 222188b7b0f2SMatthew Ahrens "\t avg\t comp\t%%Total\tType\n"); 222288b7b0f2SMatthew Ahrens 2223ad135b5dSChristopher Siden for (t = 0; t <= DMU_OT_TOTAL; t++) { 222488b7b0f2SMatthew Ahrens char csize[NICENUM_BUFLEN], lsize[NICENUM_BUFLEN]; 222588b7b0f2SMatthew Ahrens char psize[NICENUM_BUFLEN], asize[NICENUM_BUFLEN]; 222688b7b0f2SMatthew Ahrens char avg[NICENUM_BUFLEN]; 222788b7b0f2SMatthew Ahrens char comp[NICENUM_BUFLEN], pct[NICENUM_BUFLEN]; 222888b7b0f2SMatthew Ahrens char typename[64]; 222988b7b0f2SMatthew Ahrens int l; 223088b7b0f2SMatthew Ahrens 223188b7b0f2SMatthew Ahrens 223288b7b0f2SMatthew Ahrens if (t == DMU_OT_DEFERRED) 223388b7b0f2SMatthew Ahrens strcpy(typename, "deferred free"); 2234ad135b5dSChristopher Siden else if (t == DMU_OT_OTHER) 2235ad135b5dSChristopher Siden strcpy(typename, "other"); 223688b7b0f2SMatthew Ahrens else if (t == DMU_OT_TOTAL) 223788b7b0f2SMatthew Ahrens strcpy(typename, "Total"); 223888b7b0f2SMatthew Ahrens else if (mdb_readstr(typename, sizeof (typename), 223988b7b0f2SMatthew Ahrens (uintptr_t)dmu_ot[t].ot_name) == -1) { 224088b7b0f2SMatthew Ahrens mdb_warn("failed to read type name"); 224188b7b0f2SMatthew Ahrens return (DCMD_ERR); 224288b7b0f2SMatthew Ahrens } 224388b7b0f2SMatthew Ahrens 224488b7b0f2SMatthew Ahrens if (stats.zab_type[DN_MAX_LEVELS][t].zb_asize == 0) 224588b7b0f2SMatthew Ahrens continue; 224688b7b0f2SMatthew Ahrens 224788b7b0f2SMatthew Ahrens for (l = -1; l < DN_MAX_LEVELS; l++) { 224888b7b0f2SMatthew Ahrens int level = (l == -1 ? DN_MAX_LEVELS : l); 224988b7b0f2SMatthew Ahrens zfs_blkstat_t *zb = &stats.zab_type[level][t]; 225088b7b0f2SMatthew Ahrens 225188b7b0f2SMatthew Ahrens if (zb->zb_asize == 0) 225288b7b0f2SMatthew Ahrens continue; 225388b7b0f2SMatthew Ahrens 225488b7b0f2SMatthew Ahrens /* 225588b7b0f2SMatthew Ahrens * Don't print each level unless requested. 225688b7b0f2SMatthew Ahrens */ 225788b7b0f2SMatthew Ahrens if (!verbose && level != DN_MAX_LEVELS) 225888b7b0f2SMatthew Ahrens continue; 225988b7b0f2SMatthew Ahrens 226088b7b0f2SMatthew Ahrens /* 226188b7b0f2SMatthew Ahrens * If all the space is level 0, don't print the 226288b7b0f2SMatthew Ahrens * level 0 separately. 226388b7b0f2SMatthew Ahrens */ 226488b7b0f2SMatthew Ahrens if (level == 0 && zb->zb_asize == 226588b7b0f2SMatthew Ahrens stats.zab_type[DN_MAX_LEVELS][t].zb_asize) 226688b7b0f2SMatthew Ahrens continue; 226788b7b0f2SMatthew Ahrens 226888b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_count, csize); 226988b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_lsize, lsize); 227088b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_psize, psize); 227188b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_asize, asize); 227288b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_asize / zb->zb_count, avg); 2273ff64c0f7SMatthew Ahrens (void) snprintfrac(comp, NICENUM_BUFLEN, 2274ff64c0f7SMatthew Ahrens zb->zb_lsize, zb->zb_psize, 2); 2275ff64c0f7SMatthew Ahrens (void) snprintfrac(pct, NICENUM_BUFLEN, 2276ff64c0f7SMatthew Ahrens 100 * zb->zb_asize, tzb->zb_asize, 2); 227788b7b0f2SMatthew Ahrens 227888b7b0f2SMatthew Ahrens mdb_printf("%6s\t%5s\t%5s\t%5s\t%5s" 227988b7b0f2SMatthew Ahrens "\t%5s\t%6s\t", 228088b7b0f2SMatthew Ahrens csize, lsize, psize, asize, avg, comp, pct); 228188b7b0f2SMatthew Ahrens 228288b7b0f2SMatthew Ahrens if (level == DN_MAX_LEVELS) 228388b7b0f2SMatthew Ahrens mdb_printf("%s\n", typename); 228488b7b0f2SMatthew Ahrens else 228588b7b0f2SMatthew Ahrens mdb_printf(" L%d %s\n", 228688b7b0f2SMatthew Ahrens level, typename); 228788b7b0f2SMatthew Ahrens } 228888b7b0f2SMatthew Ahrens } 228988b7b0f2SMatthew Ahrens 229088b7b0f2SMatthew Ahrens return (DCMD_OK); 229188b7b0f2SMatthew Ahrens } 229288b7b0f2SMatthew Ahrens 2293*d5ee8a13SMatthew Ahrens typedef struct mdb_reference { 2294*d5ee8a13SMatthew Ahrens uintptr_t ref_holder; 2295*d5ee8a13SMatthew Ahrens uintptr_t ref_removed; 2296*d5ee8a13SMatthew Ahrens uint64_t ref_number; 2297*d5ee8a13SMatthew Ahrens } mdb_reference_t; 2298*d5ee8a13SMatthew Ahrens 22999966ca11SMatthew Ahrens /* ARGSUSED */ 23009966ca11SMatthew Ahrens static int 23019966ca11SMatthew Ahrens reference_cb(uintptr_t addr, const void *ignored, void *arg) 23029966ca11SMatthew Ahrens { 2303*d5ee8a13SMatthew Ahrens mdb_reference_t ref; 23043f9d6ad7SLin Ling boolean_t holder_is_str = B_FALSE; 23059966ca11SMatthew Ahrens char holder_str[128]; 23069966ca11SMatthew Ahrens boolean_t removed = (boolean_t)arg; 23079966ca11SMatthew Ahrens 2308*d5ee8a13SMatthew Ahrens if (mdb_ctf_vread(&ref, "reference_t", "mdb_reference_t", addr, 2309*d5ee8a13SMatthew Ahrens 0) == -1) 2310*d5ee8a13SMatthew Ahrens return (DCMD_ERR); 23119966ca11SMatthew Ahrens 2312*d5ee8a13SMatthew Ahrens if (mdb_readstr(holder_str, sizeof (holder_str), 2313*d5ee8a13SMatthew Ahrens ref.ref_holder) != -1) 23143f9d6ad7SLin Ling holder_is_str = strisprint(holder_str); 23159966ca11SMatthew Ahrens 23169966ca11SMatthew Ahrens if (removed) 23179966ca11SMatthew Ahrens mdb_printf("removed "); 23189966ca11SMatthew Ahrens mdb_printf("reference "); 2319*d5ee8a13SMatthew Ahrens if (ref.ref_number != 1) 2320*d5ee8a13SMatthew Ahrens mdb_printf("with count=%llu ", ref.ref_number); 2321*d5ee8a13SMatthew Ahrens mdb_printf("with tag %lx", ref.ref_holder); 23229966ca11SMatthew Ahrens if (holder_is_str) 23239966ca11SMatthew Ahrens mdb_printf(" \"%s\"", holder_str); 23249966ca11SMatthew Ahrens mdb_printf(", held at:\n"); 23259966ca11SMatthew Ahrens 23269966ca11SMatthew Ahrens (void) mdb_call_dcmd("whatis", addr, DCMD_ADDRSPEC, 0, NULL); 23279966ca11SMatthew Ahrens 23289966ca11SMatthew Ahrens if (removed) { 23299966ca11SMatthew Ahrens mdb_printf("removed at:\n"); 2330*d5ee8a13SMatthew Ahrens (void) mdb_call_dcmd("whatis", ref.ref_removed, 23319966ca11SMatthew Ahrens DCMD_ADDRSPEC, 0, NULL); 23329966ca11SMatthew Ahrens } 23339966ca11SMatthew Ahrens 23349966ca11SMatthew Ahrens mdb_printf("\n"); 23359966ca11SMatthew Ahrens 23369966ca11SMatthew Ahrens return (WALK_NEXT); 23379966ca11SMatthew Ahrens } 23389966ca11SMatthew Ahrens 2339*d5ee8a13SMatthew Ahrens typedef struct mdb_refcount { 2340*d5ee8a13SMatthew Ahrens uint64_t rc_count; 2341*d5ee8a13SMatthew Ahrens } mdb_refcount_t; 2342*d5ee8a13SMatthew Ahrens 2343*d5ee8a13SMatthew Ahrens typedef struct mdb_refcount_removed { 2344*d5ee8a13SMatthew Ahrens uint64_t rc_removed_count; 2345*d5ee8a13SMatthew Ahrens } mdb_refcount_removed_t; 2346*d5ee8a13SMatthew Ahrens 2347*d5ee8a13SMatthew Ahrens typedef struct mdb_refcount_tracked { 2348*d5ee8a13SMatthew Ahrens boolean_t rc_tracked; 2349*d5ee8a13SMatthew Ahrens } mdb_refcount_tracked_t; 2350*d5ee8a13SMatthew Ahrens 23519966ca11SMatthew Ahrens /* ARGSUSED */ 23529966ca11SMatthew Ahrens static int 23539966ca11SMatthew Ahrens refcount(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 23549966ca11SMatthew Ahrens { 2355*d5ee8a13SMatthew Ahrens mdb_refcount_t rc; 2356*d5ee8a13SMatthew Ahrens mdb_refcount_removed_t rcr; 2357*d5ee8a13SMatthew Ahrens mdb_refcount_tracked_t rct; 2358*d5ee8a13SMatthew Ahrens int off; 235928e4da25SMatthew Ahrens boolean_t released = B_FALSE; 23609966ca11SMatthew Ahrens 23619966ca11SMatthew Ahrens if (!(flags & DCMD_ADDRSPEC)) 23629966ca11SMatthew Ahrens return (DCMD_USAGE); 23639966ca11SMatthew Ahrens 236428e4da25SMatthew Ahrens if (mdb_getopts(argc, argv, 236528e4da25SMatthew Ahrens 'r', MDB_OPT_SETBITS, B_TRUE, &released, 236628e4da25SMatthew Ahrens NULL) != argc) 236728e4da25SMatthew Ahrens return (DCMD_USAGE); 236828e4da25SMatthew Ahrens 2369*d5ee8a13SMatthew Ahrens if (mdb_ctf_vread(&rc, "refcount_t", "mdb_refcount_t", addr, 2370*d5ee8a13SMatthew Ahrens 0) == -1) 23719966ca11SMatthew Ahrens return (DCMD_ERR); 23729966ca11SMatthew Ahrens 2373*d5ee8a13SMatthew Ahrens if (mdb_ctf_vread(&rcr, "refcount_t", "mdb_refcount_removed_t", addr, 2374*d5ee8a13SMatthew Ahrens MDB_CTF_VREAD_QUIET) == -1) { 2375*d5ee8a13SMatthew Ahrens mdb_printf("refcount_t at %p has %llu holds (untracked)\n", 2376*d5ee8a13SMatthew Ahrens addr, (longlong_t)rc.rc_count); 237728e4da25SMatthew Ahrens return (DCMD_OK); 237828e4da25SMatthew Ahrens } 237928e4da25SMatthew Ahrens 2380*d5ee8a13SMatthew Ahrens if (mdb_ctf_vread(&rct, "refcount_t", "mdb_refcount_tracked_t", addr, 2381*d5ee8a13SMatthew Ahrens MDB_CTF_VREAD_QUIET) == -1) { 2382*d5ee8a13SMatthew Ahrens /* If this is an old target, it might be tracked. */ 2383*d5ee8a13SMatthew Ahrens rct.rc_tracked = B_TRUE; 2384*d5ee8a13SMatthew Ahrens } 2385*d5ee8a13SMatthew Ahrens 23869966ca11SMatthew Ahrens mdb_printf("refcount_t at %p has %llu current holds, " 23879966ca11SMatthew Ahrens "%llu recently released holds\n", 2388*d5ee8a13SMatthew Ahrens addr, (longlong_t)rc.rc_count, (longlong_t)rcr.rc_removed_count); 23899966ca11SMatthew Ahrens 2390*d5ee8a13SMatthew Ahrens if (rct.rc_tracked && rc.rc_count > 0) 23919966ca11SMatthew Ahrens mdb_printf("current holds:\n"); 2392*d5ee8a13SMatthew Ahrens off = mdb_ctf_offsetof_by_name("refcount_t", "rc_list"); 2393*d5ee8a13SMatthew Ahrens if (off == -1) 23949966ca11SMatthew Ahrens return (DCMD_ERR); 2395*d5ee8a13SMatthew Ahrens mdb_pwalk("list", reference_cb, (void*)B_FALSE, addr + off); 2396*d5ee8a13SMatthew Ahrens 2397*d5ee8a13SMatthew Ahrens if (released && rcr.rc_removed_count > 0) { 2398*d5ee8a13SMatthew Ahrens mdb_printf("released holds:\n"); 23999966ca11SMatthew Ahrens 2400*d5ee8a13SMatthew Ahrens off = mdb_ctf_offsetof_by_name("refcount_t", "rc_removed"); 2401*d5ee8a13SMatthew Ahrens if (off == -1) 240228e4da25SMatthew Ahrens return (DCMD_ERR); 2403*d5ee8a13SMatthew Ahrens mdb_pwalk("list", reference_cb, (void*)B_FALSE, addr + off); 240428e4da25SMatthew Ahrens } 24059966ca11SMatthew Ahrens 24069966ca11SMatthew Ahrens return (DCMD_OK); 24079966ca11SMatthew Ahrens } 24089966ca11SMatthew Ahrens 24090a586ceaSMark Shellenbaum /* ARGSUSED */ 24100a586ceaSMark Shellenbaum static int 24110a586ceaSMark Shellenbaum sa_attr_table(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 24120a586ceaSMark Shellenbaum { 24130a586ceaSMark Shellenbaum sa_attr_table_t *table; 24140a586ceaSMark Shellenbaum sa_os_t sa_os; 24150a586ceaSMark Shellenbaum char *name; 24160a586ceaSMark Shellenbaum int i; 24170a586ceaSMark Shellenbaum 24180a586ceaSMark Shellenbaum if (mdb_vread(&sa_os, sizeof (sa_os_t), addr) == -1) { 24190a586ceaSMark Shellenbaum mdb_warn("failed to read sa_os at %p", addr); 24200a586ceaSMark Shellenbaum return (DCMD_ERR); 24210a586ceaSMark Shellenbaum } 24220a586ceaSMark Shellenbaum 24230a586ceaSMark Shellenbaum table = mdb_alloc(sizeof (sa_attr_table_t) * sa_os.sa_num_attrs, 24240a586ceaSMark Shellenbaum UM_SLEEP | UM_GC); 24250a586ceaSMark Shellenbaum name = mdb_alloc(MAXPATHLEN, UM_SLEEP | UM_GC); 24260a586ceaSMark Shellenbaum 24270a586ceaSMark Shellenbaum if (mdb_vread(table, sizeof (sa_attr_table_t) * sa_os.sa_num_attrs, 24280a586ceaSMark Shellenbaum (uintptr_t)sa_os.sa_attr_table) == -1) { 24290a586ceaSMark Shellenbaum mdb_warn("failed to read sa_os at %p", addr); 24300a586ceaSMark Shellenbaum return (DCMD_ERR); 24310a586ceaSMark Shellenbaum } 24320a586ceaSMark Shellenbaum 24330a586ceaSMark Shellenbaum mdb_printf("%<u>%-10s %-10s %-10s %-10s %s%</u>\n", 24340a586ceaSMark Shellenbaum "ATTR ID", "REGISTERED", "LENGTH", "BSWAP", "NAME"); 24350a586ceaSMark Shellenbaum for (i = 0; i != sa_os.sa_num_attrs; i++) { 24360a586ceaSMark Shellenbaum mdb_readstr(name, MAXPATHLEN, (uintptr_t)table[i].sa_name); 24370a586ceaSMark Shellenbaum mdb_printf("%5x %8x %8x %8x %-s\n", 24380a586ceaSMark Shellenbaum (int)table[i].sa_attr, (int)table[i].sa_registered, 24390a586ceaSMark Shellenbaum (int)table[i].sa_length, table[i].sa_byteswap, name); 24400a586ceaSMark Shellenbaum } 24410a586ceaSMark Shellenbaum 24420a586ceaSMark Shellenbaum return (DCMD_OK); 24430a586ceaSMark Shellenbaum } 24440a586ceaSMark Shellenbaum 24450a586ceaSMark Shellenbaum static int 24460a586ceaSMark Shellenbaum sa_get_off_table(uintptr_t addr, uint32_t **off_tab, int attr_count) 24470a586ceaSMark Shellenbaum { 24480a586ceaSMark Shellenbaum uintptr_t idx_table; 24490a586ceaSMark Shellenbaum 245028e4da25SMatthew Ahrens if (GETMEMB(addr, "sa_idx_tab", sa_idx_tab, idx_table)) { 24510a586ceaSMark Shellenbaum mdb_printf("can't find offset table in sa_idx_tab\n"); 24520a586ceaSMark Shellenbaum return (-1); 24530a586ceaSMark Shellenbaum } 24540a586ceaSMark Shellenbaum 24550a586ceaSMark Shellenbaum *off_tab = mdb_alloc(attr_count * sizeof (uint32_t), 24560a586ceaSMark Shellenbaum UM_SLEEP | UM_GC); 24570a586ceaSMark Shellenbaum 24580a586ceaSMark Shellenbaum if (mdb_vread(*off_tab, 24590a586ceaSMark Shellenbaum attr_count * sizeof (uint32_t), idx_table) == -1) { 24600a586ceaSMark Shellenbaum mdb_warn("failed to attribute offset table %p", idx_table); 24610a586ceaSMark Shellenbaum return (-1); 24620a586ceaSMark Shellenbaum } 24630a586ceaSMark Shellenbaum 24640a586ceaSMark Shellenbaum return (DCMD_OK); 24650a586ceaSMark Shellenbaum } 24660a586ceaSMark Shellenbaum 24670a586ceaSMark Shellenbaum /*ARGSUSED*/ 24680a586ceaSMark Shellenbaum static int 24690a586ceaSMark Shellenbaum sa_attr_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 24700a586ceaSMark Shellenbaum { 24710a586ceaSMark Shellenbaum uint32_t *offset_tab; 24720a586ceaSMark Shellenbaum int attr_count; 24730a586ceaSMark Shellenbaum uint64_t attr_id; 24740a586ceaSMark Shellenbaum uintptr_t attr_addr; 24750a586ceaSMark Shellenbaum uintptr_t bonus_tab, spill_tab; 24760a586ceaSMark Shellenbaum uintptr_t db_bonus, db_spill; 24770a586ceaSMark Shellenbaum uintptr_t os, os_sa; 24780a586ceaSMark Shellenbaum uintptr_t db_data; 24790a586ceaSMark Shellenbaum 24800a586ceaSMark Shellenbaum if (argc != 1) 24810a586ceaSMark Shellenbaum return (DCMD_USAGE); 24820a586ceaSMark Shellenbaum 24830a586ceaSMark Shellenbaum if (argv[0].a_type == MDB_TYPE_STRING) 24840a586ceaSMark Shellenbaum attr_id = mdb_strtoull(argv[0].a_un.a_str); 24850a586ceaSMark Shellenbaum else 24860a586ceaSMark Shellenbaum return (DCMD_USAGE); 24870a586ceaSMark Shellenbaum 248828e4da25SMatthew Ahrens if (GETMEMB(addr, "sa_handle", sa_bonus_tab, bonus_tab) || 248928e4da25SMatthew Ahrens GETMEMB(addr, "sa_handle", sa_spill_tab, spill_tab) || 249028e4da25SMatthew Ahrens GETMEMB(addr, "sa_handle", sa_os, os) || 249128e4da25SMatthew Ahrens GETMEMB(addr, "sa_handle", sa_bonus, db_bonus) || 249228e4da25SMatthew Ahrens GETMEMB(addr, "sa_handle", sa_spill, db_spill)) { 24930a586ceaSMark Shellenbaum mdb_printf("Can't find necessary information in sa_handle " 24940a586ceaSMark Shellenbaum "in sa_handle\n"); 24950a586ceaSMark Shellenbaum return (DCMD_ERR); 24960a586ceaSMark Shellenbaum } 24970a586ceaSMark Shellenbaum 249828e4da25SMatthew Ahrens if (GETMEMB(os, "objset", os_sa, os_sa)) { 24990a586ceaSMark Shellenbaum mdb_printf("Can't find os_sa in objset\n"); 25000a586ceaSMark Shellenbaum return (DCMD_ERR); 25010a586ceaSMark Shellenbaum } 25020a586ceaSMark Shellenbaum 250328e4da25SMatthew Ahrens if (GETMEMB(os_sa, "sa_os", sa_num_attrs, attr_count)) { 25040a586ceaSMark Shellenbaum mdb_printf("Can't find sa_num_attrs\n"); 25050a586ceaSMark Shellenbaum return (DCMD_ERR); 25060a586ceaSMark Shellenbaum } 25070a586ceaSMark Shellenbaum 25080a586ceaSMark Shellenbaum if (attr_id > attr_count) { 25090a586ceaSMark Shellenbaum mdb_printf("attribute id number is out of range\n"); 25100a586ceaSMark Shellenbaum return (DCMD_ERR); 25110a586ceaSMark Shellenbaum } 25120a586ceaSMark Shellenbaum 25130a586ceaSMark Shellenbaum if (bonus_tab) { 25140a586ceaSMark Shellenbaum if (sa_get_off_table(bonus_tab, &offset_tab, 25150a586ceaSMark Shellenbaum attr_count) == -1) { 25160a586ceaSMark Shellenbaum return (DCMD_ERR); 25170a586ceaSMark Shellenbaum } 25180a586ceaSMark Shellenbaum 251928e4da25SMatthew Ahrens if (GETMEMB(db_bonus, "dmu_buf", db_data, db_data)) { 25200a586ceaSMark Shellenbaum mdb_printf("can't find db_data in bonus dbuf\n"); 25210a586ceaSMark Shellenbaum return (DCMD_ERR); 25220a586ceaSMark Shellenbaum } 25230a586ceaSMark Shellenbaum } 25240a586ceaSMark Shellenbaum 25250a586ceaSMark Shellenbaum if (bonus_tab && !TOC_ATTR_PRESENT(offset_tab[attr_id]) && 25260a586ceaSMark Shellenbaum spill_tab == NULL) { 25270a586ceaSMark Shellenbaum mdb_printf("Attribute does not exist\n"); 25280a586ceaSMark Shellenbaum return (DCMD_ERR); 25290a586ceaSMark Shellenbaum } else if (!TOC_ATTR_PRESENT(offset_tab[attr_id]) && spill_tab) { 25300a586ceaSMark Shellenbaum if (sa_get_off_table(spill_tab, &offset_tab, 25310a586ceaSMark Shellenbaum attr_count) == -1) { 25320a586ceaSMark Shellenbaum return (DCMD_ERR); 25330a586ceaSMark Shellenbaum } 253428e4da25SMatthew Ahrens if (GETMEMB(db_spill, "dmu_buf", db_data, db_data)) { 25350a586ceaSMark Shellenbaum mdb_printf("can't find db_data in spill dbuf\n"); 25360a586ceaSMark Shellenbaum return (DCMD_ERR); 25370a586ceaSMark Shellenbaum } 25380a586ceaSMark Shellenbaum if (!TOC_ATTR_PRESENT(offset_tab[attr_id])) { 25390a586ceaSMark Shellenbaum mdb_printf("Attribute does not exist\n"); 25400a586ceaSMark Shellenbaum return (DCMD_ERR); 25410a586ceaSMark Shellenbaum } 25420a586ceaSMark Shellenbaum } 25430a586ceaSMark Shellenbaum attr_addr = db_data + TOC_OFF(offset_tab[attr_id]); 25440a586ceaSMark Shellenbaum mdb_printf("%p\n", attr_addr); 25450a586ceaSMark Shellenbaum return (DCMD_OK); 25460a586ceaSMark Shellenbaum } 25470a586ceaSMark Shellenbaum 25480a586ceaSMark Shellenbaum /* ARGSUSED */ 25490a586ceaSMark Shellenbaum static int 25500a586ceaSMark Shellenbaum zfs_ace_print_common(uintptr_t addr, uint_t flags, 25510a586ceaSMark Shellenbaum uint64_t id, uint32_t access_mask, uint16_t ace_flags, 25520a586ceaSMark Shellenbaum uint16_t ace_type, int verbose) 25530a586ceaSMark Shellenbaum { 25540a586ceaSMark Shellenbaum if (DCMD_HDRSPEC(flags) && !verbose) 25550a586ceaSMark Shellenbaum mdb_printf("%<u>%-?s %-8s %-8s %-8s %s%</u>\n", 25560a586ceaSMark Shellenbaum "ADDR", "FLAGS", "MASK", "TYPE", "ID"); 25570a586ceaSMark Shellenbaum 25580a586ceaSMark Shellenbaum if (!verbose) { 25590a586ceaSMark Shellenbaum mdb_printf("%0?p %-8x %-8x %-8x %-llx\n", addr, 25600a586ceaSMark Shellenbaum ace_flags, access_mask, ace_type, id); 25610a586ceaSMark Shellenbaum return (DCMD_OK); 25620a586ceaSMark Shellenbaum } 25630a586ceaSMark Shellenbaum 25640a586ceaSMark Shellenbaum switch (ace_flags & ACE_TYPE_FLAGS) { 25650a586ceaSMark Shellenbaum case ACE_OWNER: 25660a586ceaSMark Shellenbaum mdb_printf("owner@:"); 25670a586ceaSMark Shellenbaum break; 25680a586ceaSMark Shellenbaum case (ACE_IDENTIFIER_GROUP | ACE_GROUP): 25690a586ceaSMark Shellenbaum mdb_printf("group@:"); 25700a586ceaSMark Shellenbaum break; 25710a586ceaSMark Shellenbaum case ACE_EVERYONE: 25720a586ceaSMark Shellenbaum mdb_printf("everyone@:"); 25730a586ceaSMark Shellenbaum break; 25740a586ceaSMark Shellenbaum case ACE_IDENTIFIER_GROUP: 25750a586ceaSMark Shellenbaum mdb_printf("group:%llx:", (u_longlong_t)id); 25760a586ceaSMark Shellenbaum break; 25770a586ceaSMark Shellenbaum case 0: /* User entry */ 25780a586ceaSMark Shellenbaum mdb_printf("user:%llx:", (u_longlong_t)id); 25790a586ceaSMark Shellenbaum break; 25800a586ceaSMark Shellenbaum } 25810a586ceaSMark Shellenbaum 25820a586ceaSMark Shellenbaum /* print out permission mask */ 25830a586ceaSMark Shellenbaum if (access_mask & ACE_READ_DATA) 25840a586ceaSMark Shellenbaum mdb_printf("r"); 25850a586ceaSMark Shellenbaum else 25860a586ceaSMark Shellenbaum mdb_printf("-"); 25870a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_DATA) 25880a586ceaSMark Shellenbaum mdb_printf("w"); 25890a586ceaSMark Shellenbaum else 25900a586ceaSMark Shellenbaum mdb_printf("-"); 25910a586ceaSMark Shellenbaum if (access_mask & ACE_EXECUTE) 25920a586ceaSMark Shellenbaum mdb_printf("x"); 25930a586ceaSMark Shellenbaum else 25940a586ceaSMark Shellenbaum mdb_printf("-"); 25950a586ceaSMark Shellenbaum if (access_mask & ACE_APPEND_DATA) 25960a586ceaSMark Shellenbaum mdb_printf("p"); 25970a586ceaSMark Shellenbaum else 25980a586ceaSMark Shellenbaum mdb_printf("-"); 25990a586ceaSMark Shellenbaum if (access_mask & ACE_DELETE) 26000a586ceaSMark Shellenbaum mdb_printf("d"); 26010a586ceaSMark Shellenbaum else 26020a586ceaSMark Shellenbaum mdb_printf("-"); 26030a586ceaSMark Shellenbaum if (access_mask & ACE_DELETE_CHILD) 26040a586ceaSMark Shellenbaum mdb_printf("D"); 26050a586ceaSMark Shellenbaum else 26060a586ceaSMark Shellenbaum mdb_printf("-"); 26070a586ceaSMark Shellenbaum if (access_mask & ACE_READ_ATTRIBUTES) 26080a586ceaSMark Shellenbaum mdb_printf("a"); 26090a586ceaSMark Shellenbaum else 26100a586ceaSMark Shellenbaum mdb_printf("-"); 26110a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_ATTRIBUTES) 26120a586ceaSMark Shellenbaum mdb_printf("A"); 26130a586ceaSMark Shellenbaum else 26140a586ceaSMark Shellenbaum mdb_printf("-"); 26150a586ceaSMark Shellenbaum if (access_mask & ACE_READ_NAMED_ATTRS) 26160a586ceaSMark Shellenbaum mdb_printf("R"); 26170a586ceaSMark Shellenbaum else 26180a586ceaSMark Shellenbaum mdb_printf("-"); 26190a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_NAMED_ATTRS) 26200a586ceaSMark Shellenbaum mdb_printf("W"); 26210a586ceaSMark Shellenbaum else 26220a586ceaSMark Shellenbaum mdb_printf("-"); 26230a586ceaSMark Shellenbaum if (access_mask & ACE_READ_ACL) 26240a586ceaSMark Shellenbaum mdb_printf("c"); 26250a586ceaSMark Shellenbaum else 26260a586ceaSMark Shellenbaum mdb_printf("-"); 26270a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_ACL) 26280a586ceaSMark Shellenbaum mdb_printf("C"); 26290a586ceaSMark Shellenbaum else 26300a586ceaSMark Shellenbaum mdb_printf("-"); 26310a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_OWNER) 26320a586ceaSMark Shellenbaum mdb_printf("o"); 26330a586ceaSMark Shellenbaum else 26340a586ceaSMark Shellenbaum mdb_printf("-"); 26350a586ceaSMark Shellenbaum if (access_mask & ACE_SYNCHRONIZE) 26360a586ceaSMark Shellenbaum mdb_printf("s"); 26370a586ceaSMark Shellenbaum else 26380a586ceaSMark Shellenbaum mdb_printf("-"); 26390a586ceaSMark Shellenbaum 26400a586ceaSMark Shellenbaum mdb_printf(":"); 26410a586ceaSMark Shellenbaum 26420a586ceaSMark Shellenbaum /* Print out inheritance flags */ 26430a586ceaSMark Shellenbaum if (ace_flags & ACE_FILE_INHERIT_ACE) 26440a586ceaSMark Shellenbaum mdb_printf("f"); 26450a586ceaSMark Shellenbaum else 26460a586ceaSMark Shellenbaum mdb_printf("-"); 26470a586ceaSMark Shellenbaum if (ace_flags & ACE_DIRECTORY_INHERIT_ACE) 26480a586ceaSMark Shellenbaum mdb_printf("d"); 26490a586ceaSMark Shellenbaum else 26500a586ceaSMark Shellenbaum mdb_printf("-"); 26510a586ceaSMark Shellenbaum if (ace_flags & ACE_INHERIT_ONLY_ACE) 26520a586ceaSMark Shellenbaum mdb_printf("i"); 26530a586ceaSMark Shellenbaum else 26540a586ceaSMark Shellenbaum mdb_printf("-"); 26550a586ceaSMark Shellenbaum if (ace_flags & ACE_NO_PROPAGATE_INHERIT_ACE) 26560a586ceaSMark Shellenbaum mdb_printf("n"); 26570a586ceaSMark Shellenbaum else 26580a586ceaSMark Shellenbaum mdb_printf("-"); 26590a586ceaSMark Shellenbaum if (ace_flags & ACE_SUCCESSFUL_ACCESS_ACE_FLAG) 26600a586ceaSMark Shellenbaum mdb_printf("S"); 26610a586ceaSMark Shellenbaum else 26620a586ceaSMark Shellenbaum mdb_printf("-"); 26630a586ceaSMark Shellenbaum if (ace_flags & ACE_FAILED_ACCESS_ACE_FLAG) 26640a586ceaSMark Shellenbaum mdb_printf("F"); 26650a586ceaSMark Shellenbaum else 26660a586ceaSMark Shellenbaum mdb_printf("-"); 26670a586ceaSMark Shellenbaum if (ace_flags & ACE_INHERITED_ACE) 26680a586ceaSMark Shellenbaum mdb_printf("I"); 26690a586ceaSMark Shellenbaum else 26700a586ceaSMark Shellenbaum mdb_printf("-"); 26710a586ceaSMark Shellenbaum 26720a586ceaSMark Shellenbaum switch (ace_type) { 26730a586ceaSMark Shellenbaum case ACE_ACCESS_ALLOWED_ACE_TYPE: 26740a586ceaSMark Shellenbaum mdb_printf(":allow\n"); 26750a586ceaSMark Shellenbaum break; 26760a586ceaSMark Shellenbaum case ACE_ACCESS_DENIED_ACE_TYPE: 26770a586ceaSMark Shellenbaum mdb_printf(":deny\n"); 26780a586ceaSMark Shellenbaum break; 26790a586ceaSMark Shellenbaum case ACE_SYSTEM_AUDIT_ACE_TYPE: 26800a586ceaSMark Shellenbaum mdb_printf(":audit\n"); 26810a586ceaSMark Shellenbaum break; 26820a586ceaSMark Shellenbaum case ACE_SYSTEM_ALARM_ACE_TYPE: 26830a586ceaSMark Shellenbaum mdb_printf(":alarm\n"); 26840a586ceaSMark Shellenbaum break; 26850a586ceaSMark Shellenbaum default: 26860a586ceaSMark Shellenbaum mdb_printf(":?\n"); 26870a586ceaSMark Shellenbaum } 26880a586ceaSMark Shellenbaum return (DCMD_OK); 26890a586ceaSMark Shellenbaum } 26900a586ceaSMark Shellenbaum 26910a586ceaSMark Shellenbaum /* ARGSUSED */ 26920a586ceaSMark Shellenbaum static int 26930a586ceaSMark Shellenbaum zfs_ace_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 26940a586ceaSMark Shellenbaum { 26950a586ceaSMark Shellenbaum zfs_ace_t zace; 26960a586ceaSMark Shellenbaum int verbose = FALSE; 26970a586ceaSMark Shellenbaum uint64_t id; 26980a586ceaSMark Shellenbaum 26990a586ceaSMark Shellenbaum if (!(flags & DCMD_ADDRSPEC)) 27000a586ceaSMark Shellenbaum return (DCMD_USAGE); 27010a586ceaSMark Shellenbaum 27020a586ceaSMark Shellenbaum if (mdb_getopts(argc, argv, 27030a586ceaSMark Shellenbaum 'v', MDB_OPT_SETBITS, TRUE, &verbose, TRUE, NULL) != argc) 27040a586ceaSMark Shellenbaum return (DCMD_USAGE); 27050a586ceaSMark Shellenbaum 27060a586ceaSMark Shellenbaum if (mdb_vread(&zace, sizeof (zfs_ace_t), addr) == -1) { 27070a586ceaSMark Shellenbaum mdb_warn("failed to read zfs_ace_t"); 27080a586ceaSMark Shellenbaum return (DCMD_ERR); 27090a586ceaSMark Shellenbaum } 27100a586ceaSMark Shellenbaum 27110a586ceaSMark Shellenbaum if ((zace.z_hdr.z_flags & ACE_TYPE_FLAGS) == 0 || 27120a586ceaSMark Shellenbaum (zace.z_hdr.z_flags & ACE_TYPE_FLAGS) == ACE_IDENTIFIER_GROUP) 27130a586ceaSMark Shellenbaum id = zace.z_fuid; 27140a586ceaSMark Shellenbaum else 27150a586ceaSMark Shellenbaum id = -1; 27160a586ceaSMark Shellenbaum 27170a586ceaSMark Shellenbaum return (zfs_ace_print_common(addr, flags, id, zace.z_hdr.z_access_mask, 27180a586ceaSMark Shellenbaum zace.z_hdr.z_flags, zace.z_hdr.z_type, verbose)); 27190a586ceaSMark Shellenbaum } 27200a586ceaSMark Shellenbaum 27210a586ceaSMark Shellenbaum /* ARGSUSED */ 27220a586ceaSMark Shellenbaum static int 27230a586ceaSMark Shellenbaum zfs_ace0_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 27240a586ceaSMark Shellenbaum { 27250a586ceaSMark Shellenbaum ace_t ace; 27260a586ceaSMark Shellenbaum uint64_t id; 27270a586ceaSMark Shellenbaum int verbose = FALSE; 27280a586ceaSMark Shellenbaum 27290a586ceaSMark Shellenbaum if (!(flags & DCMD_ADDRSPEC)) 27300a586ceaSMark Shellenbaum return (DCMD_USAGE); 27310a586ceaSMark Shellenbaum 27320a586ceaSMark Shellenbaum if (mdb_getopts(argc, argv, 27330a586ceaSMark Shellenbaum 'v', MDB_OPT_SETBITS, TRUE, &verbose, TRUE, NULL) != argc) 27340a586ceaSMark Shellenbaum return (DCMD_USAGE); 27350a586ceaSMark Shellenbaum 27360a586ceaSMark Shellenbaum if (mdb_vread(&ace, sizeof (ace_t), addr) == -1) { 27370a586ceaSMark Shellenbaum mdb_warn("failed to read ace_t"); 27380a586ceaSMark Shellenbaum return (DCMD_ERR); 27390a586ceaSMark Shellenbaum } 27400a586ceaSMark Shellenbaum 27410a586ceaSMark Shellenbaum if ((ace.a_flags & ACE_TYPE_FLAGS) == 0 || 27420a586ceaSMark Shellenbaum (ace.a_flags & ACE_TYPE_FLAGS) == ACE_IDENTIFIER_GROUP) 27430a586ceaSMark Shellenbaum id = ace.a_who; 27440a586ceaSMark Shellenbaum else 27450a586ceaSMark Shellenbaum id = -1; 27460a586ceaSMark Shellenbaum 27470a586ceaSMark Shellenbaum return (zfs_ace_print_common(addr, flags, id, ace.a_access_mask, 27480a586ceaSMark Shellenbaum ace.a_flags, ace.a_type, verbose)); 27490a586ceaSMark Shellenbaum } 27500a586ceaSMark Shellenbaum 27510a586ceaSMark Shellenbaum typedef struct acl_dump_args { 27520a586ceaSMark Shellenbaum int a_argc; 27530a586ceaSMark Shellenbaum const mdb_arg_t *a_argv; 27540a586ceaSMark Shellenbaum uint16_t a_version; 27550a586ceaSMark Shellenbaum int a_flags; 27560a586ceaSMark Shellenbaum } acl_dump_args_t; 27570a586ceaSMark Shellenbaum 27580a586ceaSMark Shellenbaum /* ARGSUSED */ 27590a586ceaSMark Shellenbaum static int 27600a586ceaSMark Shellenbaum acl_aces_cb(uintptr_t addr, const void *unknown, void *arg) 27610a586ceaSMark Shellenbaum { 27620a586ceaSMark Shellenbaum acl_dump_args_t *acl_args = (acl_dump_args_t *)arg; 27630a586ceaSMark Shellenbaum 27640a586ceaSMark Shellenbaum if (acl_args->a_version == 1) { 27650a586ceaSMark Shellenbaum if (mdb_call_dcmd("zfs_ace", addr, 27660a586ceaSMark Shellenbaum DCMD_ADDRSPEC|acl_args->a_flags, acl_args->a_argc, 27670a586ceaSMark Shellenbaum acl_args->a_argv) != DCMD_OK) { 27680a586ceaSMark Shellenbaum return (WALK_ERR); 27690a586ceaSMark Shellenbaum } 27700a586ceaSMark Shellenbaum } else { 27710a586ceaSMark Shellenbaum if (mdb_call_dcmd("zfs_ace0", addr, 27720a586ceaSMark Shellenbaum DCMD_ADDRSPEC|acl_args->a_flags, acl_args->a_argc, 27730a586ceaSMark Shellenbaum acl_args->a_argv) != DCMD_OK) { 27740a586ceaSMark Shellenbaum return (WALK_ERR); 27750a586ceaSMark Shellenbaum } 27760a586ceaSMark Shellenbaum } 27770a586ceaSMark Shellenbaum acl_args->a_flags = DCMD_LOOP; 27780a586ceaSMark Shellenbaum return (WALK_NEXT); 27790a586ceaSMark Shellenbaum } 27800a586ceaSMark Shellenbaum 27810a586ceaSMark Shellenbaum /* ARGSUSED */ 27820a586ceaSMark Shellenbaum static int 27830a586ceaSMark Shellenbaum acl_cb(uintptr_t addr, const void *unknown, void *arg) 27840a586ceaSMark Shellenbaum { 27850a586ceaSMark Shellenbaum acl_dump_args_t *acl_args = (acl_dump_args_t *)arg; 27860a586ceaSMark Shellenbaum 27870a586ceaSMark Shellenbaum if (acl_args->a_version == 1) { 27880a586ceaSMark Shellenbaum if (mdb_pwalk("zfs_acl_node_aces", acl_aces_cb, 27890a586ceaSMark Shellenbaum arg, addr) != 0) { 27900a586ceaSMark Shellenbaum mdb_warn("can't walk ACEs"); 27910a586ceaSMark Shellenbaum return (DCMD_ERR); 27920a586ceaSMark Shellenbaum } 27930a586ceaSMark Shellenbaum } else { 27940a586ceaSMark Shellenbaum if (mdb_pwalk("zfs_acl_node_aces0", acl_aces_cb, 27950a586ceaSMark Shellenbaum arg, addr) != 0) { 27960a586ceaSMark Shellenbaum mdb_warn("can't walk ACEs"); 27970a586ceaSMark Shellenbaum return (DCMD_ERR); 27980a586ceaSMark Shellenbaum } 27990a586ceaSMark Shellenbaum } 28000a586ceaSMark Shellenbaum return (WALK_NEXT); 28010a586ceaSMark Shellenbaum } 28020a586ceaSMark Shellenbaum 28030a586ceaSMark Shellenbaum /* ARGSUSED */ 28040a586ceaSMark Shellenbaum static int 28050a586ceaSMark Shellenbaum zfs_acl_dump(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 28060a586ceaSMark Shellenbaum { 28070a586ceaSMark Shellenbaum zfs_acl_t zacl; 28080a586ceaSMark Shellenbaum int verbose = FALSE; 28090a586ceaSMark Shellenbaum acl_dump_args_t acl_args; 28100a586ceaSMark Shellenbaum 28110a586ceaSMark Shellenbaum if (!(flags & DCMD_ADDRSPEC)) 28120a586ceaSMark Shellenbaum return (DCMD_USAGE); 28130a586ceaSMark Shellenbaum 28140a586ceaSMark Shellenbaum if (mdb_getopts(argc, argv, 28150a586ceaSMark Shellenbaum 'v', MDB_OPT_SETBITS, TRUE, &verbose, TRUE, NULL) != argc) 28160a586ceaSMark Shellenbaum return (DCMD_USAGE); 28170a586ceaSMark Shellenbaum 28180a586ceaSMark Shellenbaum if (mdb_vread(&zacl, sizeof (zfs_acl_t), addr) == -1) { 28190a586ceaSMark Shellenbaum mdb_warn("failed to read zfs_acl_t"); 28200a586ceaSMark Shellenbaum return (DCMD_ERR); 28210a586ceaSMark Shellenbaum } 28220a586ceaSMark Shellenbaum 28230a586ceaSMark Shellenbaum acl_args.a_argc = argc; 28240a586ceaSMark Shellenbaum acl_args.a_argv = argv; 28250a586ceaSMark Shellenbaum acl_args.a_version = zacl.z_version; 28260a586ceaSMark Shellenbaum acl_args.a_flags = DCMD_LOOPFIRST; 28270a586ceaSMark Shellenbaum 28280a586ceaSMark Shellenbaum if (mdb_pwalk("zfs_acl_node", acl_cb, &acl_args, addr) != 0) { 28290a586ceaSMark Shellenbaum mdb_warn("can't walk ACL"); 28300a586ceaSMark Shellenbaum return (DCMD_ERR); 28310a586ceaSMark Shellenbaum } 28320a586ceaSMark Shellenbaum 28330a586ceaSMark Shellenbaum return (DCMD_OK); 28340a586ceaSMark Shellenbaum } 28350a586ceaSMark Shellenbaum 28360a586ceaSMark Shellenbaum /* ARGSUSED */ 28370a586ceaSMark Shellenbaum static int 28380a586ceaSMark Shellenbaum zfs_acl_node_walk_init(mdb_walk_state_t *wsp) 28390a586ceaSMark Shellenbaum { 28400a586ceaSMark Shellenbaum if (wsp->walk_addr == NULL) { 28410a586ceaSMark Shellenbaum mdb_warn("must supply address of zfs_acl_node_t\n"); 28420a586ceaSMark Shellenbaum return (WALK_ERR); 28430a586ceaSMark Shellenbaum } 28440a586ceaSMark Shellenbaum 284528e4da25SMatthew Ahrens wsp->walk_addr += 284628e4da25SMatthew Ahrens mdb_ctf_offsetof_by_name(ZFS_STRUCT "zfs_acl", "z_acl"); 28470a586ceaSMark Shellenbaum 28480a586ceaSMark Shellenbaum if (mdb_layered_walk("list", wsp) == -1) { 28490a586ceaSMark Shellenbaum mdb_warn("failed to walk 'list'\n"); 28500a586ceaSMark Shellenbaum return (WALK_ERR); 28510a586ceaSMark Shellenbaum } 28520a586ceaSMark Shellenbaum 28530a586ceaSMark Shellenbaum return (WALK_NEXT); 28540a586ceaSMark Shellenbaum } 28550a586ceaSMark Shellenbaum 28560a586ceaSMark Shellenbaum static int 28570a586ceaSMark Shellenbaum zfs_acl_node_walk_step(mdb_walk_state_t *wsp) 28580a586ceaSMark Shellenbaum { 28590a586ceaSMark Shellenbaum zfs_acl_node_t aclnode; 28600a586ceaSMark Shellenbaum 28610a586ceaSMark Shellenbaum if (mdb_vread(&aclnode, sizeof (zfs_acl_node_t), 28620a586ceaSMark Shellenbaum wsp->walk_addr) == -1) { 28630a586ceaSMark Shellenbaum mdb_warn("failed to read zfs_acl_node at %p", wsp->walk_addr); 28640a586ceaSMark Shellenbaum return (WALK_ERR); 28650a586ceaSMark Shellenbaum } 28660a586ceaSMark Shellenbaum 28670a586ceaSMark Shellenbaum return (wsp->walk_callback(wsp->walk_addr, &aclnode, wsp->walk_cbdata)); 28680a586ceaSMark Shellenbaum } 28690a586ceaSMark Shellenbaum 28700a586ceaSMark Shellenbaum typedef struct ace_walk_data { 28710a586ceaSMark Shellenbaum int ace_count; 28720a586ceaSMark Shellenbaum int ace_version; 28730a586ceaSMark Shellenbaum } ace_walk_data_t; 28740a586ceaSMark Shellenbaum 28750a586ceaSMark Shellenbaum static int 28760a586ceaSMark Shellenbaum zfs_aces_walk_init_common(mdb_walk_state_t *wsp, int version, 28770a586ceaSMark Shellenbaum int ace_count, uintptr_t ace_data) 28780a586ceaSMark Shellenbaum { 28790a586ceaSMark Shellenbaum ace_walk_data_t *ace_walk_data; 28800a586ceaSMark Shellenbaum 28810a586ceaSMark Shellenbaum if (wsp->walk_addr == NULL) { 28820a586ceaSMark Shellenbaum mdb_warn("must supply address of zfs_acl_node_t\n"); 28830a586ceaSMark Shellenbaum return (WALK_ERR); 28840a586ceaSMark Shellenbaum } 28850a586ceaSMark Shellenbaum 28860a586ceaSMark Shellenbaum ace_walk_data = mdb_alloc(sizeof (ace_walk_data_t), UM_SLEEP | UM_GC); 28870a586ceaSMark Shellenbaum 28880a586ceaSMark Shellenbaum ace_walk_data->ace_count = ace_count; 28890a586ceaSMark Shellenbaum ace_walk_data->ace_version = version; 28900a586ceaSMark Shellenbaum 28910a586ceaSMark Shellenbaum wsp->walk_addr = ace_data; 28920a586ceaSMark Shellenbaum wsp->walk_data = ace_walk_data; 28930a586ceaSMark Shellenbaum 28940a586ceaSMark Shellenbaum return (WALK_NEXT); 28950a586ceaSMark Shellenbaum } 28960a586ceaSMark Shellenbaum 28970a586ceaSMark Shellenbaum static int 28980a586ceaSMark Shellenbaum zfs_acl_node_aces_walk_init_common(mdb_walk_state_t *wsp, int version) 28990a586ceaSMark Shellenbaum { 29000a586ceaSMark Shellenbaum static int gotid; 29010a586ceaSMark Shellenbaum static mdb_ctf_id_t acl_id; 29020a586ceaSMark Shellenbaum int z_ace_count; 29030a586ceaSMark Shellenbaum uintptr_t z_acldata; 29040a586ceaSMark Shellenbaum 29050a586ceaSMark Shellenbaum if (!gotid) { 29060a586ceaSMark Shellenbaum if (mdb_ctf_lookup_by_name("struct zfs_acl_node", 29070a586ceaSMark Shellenbaum &acl_id) == -1) { 29080a586ceaSMark Shellenbaum mdb_warn("couldn't find struct zfs_acl_node"); 29090a586ceaSMark Shellenbaum return (DCMD_ERR); 29100a586ceaSMark Shellenbaum } 29110a586ceaSMark Shellenbaum gotid = TRUE; 29120a586ceaSMark Shellenbaum } 29130a586ceaSMark Shellenbaum 29140a586ceaSMark Shellenbaum if (GETMEMBID(wsp->walk_addr, &acl_id, z_ace_count, z_ace_count)) { 29150a586ceaSMark Shellenbaum return (DCMD_ERR); 29160a586ceaSMark Shellenbaum } 29170a586ceaSMark Shellenbaum if (GETMEMBID(wsp->walk_addr, &acl_id, z_acldata, z_acldata)) { 29180a586ceaSMark Shellenbaum return (DCMD_ERR); 29190a586ceaSMark Shellenbaum } 29200a586ceaSMark Shellenbaum 29210a586ceaSMark Shellenbaum return (zfs_aces_walk_init_common(wsp, version, 29220a586ceaSMark Shellenbaum z_ace_count, z_acldata)); 29230a586ceaSMark Shellenbaum } 29240a586ceaSMark Shellenbaum 29250a586ceaSMark Shellenbaum /* ARGSUSED */ 29260a586ceaSMark Shellenbaum static int 29270a586ceaSMark Shellenbaum zfs_acl_node_aces_walk_init(mdb_walk_state_t *wsp) 29280a586ceaSMark Shellenbaum { 29290a586ceaSMark Shellenbaum return (zfs_acl_node_aces_walk_init_common(wsp, 1)); 29300a586ceaSMark Shellenbaum } 29310a586ceaSMark Shellenbaum 29320a586ceaSMark Shellenbaum /* ARGSUSED */ 29330a586ceaSMark Shellenbaum static int 29340a586ceaSMark Shellenbaum zfs_acl_node_aces0_walk_init(mdb_walk_state_t *wsp) 29350a586ceaSMark Shellenbaum { 29360a586ceaSMark Shellenbaum return (zfs_acl_node_aces_walk_init_common(wsp, 0)); 29370a586ceaSMark Shellenbaum } 29380a586ceaSMark Shellenbaum 29390a586ceaSMark Shellenbaum static int 29400a586ceaSMark Shellenbaum zfs_aces_walk_step(mdb_walk_state_t *wsp) 29410a586ceaSMark Shellenbaum { 29420a586ceaSMark Shellenbaum ace_walk_data_t *ace_data = wsp->walk_data; 29430a586ceaSMark Shellenbaum zfs_ace_t zace; 29440a586ceaSMark Shellenbaum ace_t *acep; 29450a586ceaSMark Shellenbaum int status; 29460a586ceaSMark Shellenbaum int entry_type; 29470a586ceaSMark Shellenbaum int allow_type; 29480a586ceaSMark Shellenbaum uintptr_t ptr; 29490a586ceaSMark Shellenbaum 29500a586ceaSMark Shellenbaum if (ace_data->ace_count == 0) 29510a586ceaSMark Shellenbaum return (WALK_DONE); 29520a586ceaSMark Shellenbaum 29530a586ceaSMark Shellenbaum if (mdb_vread(&zace, sizeof (zfs_ace_t), wsp->walk_addr) == -1) { 29540a586ceaSMark Shellenbaum mdb_warn("failed to read zfs_ace_t at %#lx", 29550a586ceaSMark Shellenbaum wsp->walk_addr); 29560a586ceaSMark Shellenbaum return (WALK_ERR); 29570a586ceaSMark Shellenbaum } 29580a586ceaSMark Shellenbaum 29590a586ceaSMark Shellenbaum switch (ace_data->ace_version) { 29600a586ceaSMark Shellenbaum case 0: 29610a586ceaSMark Shellenbaum acep = (ace_t *)&zace; 29620a586ceaSMark Shellenbaum entry_type = acep->a_flags & ACE_TYPE_FLAGS; 29630a586ceaSMark Shellenbaum allow_type = acep->a_type; 29640a586ceaSMark Shellenbaum break; 29650a586ceaSMark Shellenbaum case 1: 29660a586ceaSMark Shellenbaum entry_type = zace.z_hdr.z_flags & ACE_TYPE_FLAGS; 29670a586ceaSMark Shellenbaum allow_type = zace.z_hdr.z_type; 29680a586ceaSMark Shellenbaum break; 29690a586ceaSMark Shellenbaum default: 29700a586ceaSMark Shellenbaum return (WALK_ERR); 29710a586ceaSMark Shellenbaum } 29720a586ceaSMark Shellenbaum 29730a586ceaSMark Shellenbaum ptr = (uintptr_t)wsp->walk_addr; 29740a586ceaSMark Shellenbaum switch (entry_type) { 29750a586ceaSMark Shellenbaum case ACE_OWNER: 29760a586ceaSMark Shellenbaum case ACE_EVERYONE: 29770a586ceaSMark Shellenbaum case (ACE_IDENTIFIER_GROUP | ACE_GROUP): 29780a586ceaSMark Shellenbaum ptr += ace_data->ace_version == 0 ? 29790a586ceaSMark Shellenbaum sizeof (ace_t) : sizeof (zfs_ace_hdr_t); 29800a586ceaSMark Shellenbaum break; 29810a586ceaSMark Shellenbaum case ACE_IDENTIFIER_GROUP: 29820a586ceaSMark Shellenbaum default: 29830a586ceaSMark Shellenbaum switch (allow_type) { 29840a586ceaSMark Shellenbaum case ACE_ACCESS_ALLOWED_OBJECT_ACE_TYPE: 29850a586ceaSMark Shellenbaum case ACE_ACCESS_DENIED_OBJECT_ACE_TYPE: 29860a586ceaSMark Shellenbaum case ACE_SYSTEM_AUDIT_OBJECT_ACE_TYPE: 29870a586ceaSMark Shellenbaum case ACE_SYSTEM_ALARM_OBJECT_ACE_TYPE: 29880a586ceaSMark Shellenbaum ptr += ace_data->ace_version == 0 ? 29890a586ceaSMark Shellenbaum sizeof (ace_t) : sizeof (zfs_object_ace_t); 29900a586ceaSMark Shellenbaum break; 29910a586ceaSMark Shellenbaum default: 29920a586ceaSMark Shellenbaum ptr += ace_data->ace_version == 0 ? 29930a586ceaSMark Shellenbaum sizeof (ace_t) : sizeof (zfs_ace_t); 29940a586ceaSMark Shellenbaum break; 29950a586ceaSMark Shellenbaum } 29960a586ceaSMark Shellenbaum } 29970a586ceaSMark Shellenbaum 29980a586ceaSMark Shellenbaum ace_data->ace_count--; 29990a586ceaSMark Shellenbaum status = wsp->walk_callback(wsp->walk_addr, 30000a586ceaSMark Shellenbaum (void *)(uintptr_t)&zace, wsp->walk_cbdata); 30010a586ceaSMark Shellenbaum 30020a586ceaSMark Shellenbaum wsp->walk_addr = ptr; 30030a586ceaSMark Shellenbaum return (status); 30040a586ceaSMark Shellenbaum } 30050a586ceaSMark Shellenbaum 300628e4da25SMatthew Ahrens typedef struct mdb_zfs_rrwlock { 3007*d5ee8a13SMatthew Ahrens uintptr_t rr_writer; 300828e4da25SMatthew Ahrens boolean_t rr_writer_wanted; 300928e4da25SMatthew Ahrens } mdb_zfs_rrwlock_t; 301028e4da25SMatthew Ahrens 301128e4da25SMatthew Ahrens static uint_t rrw_key; 301228e4da25SMatthew Ahrens 301328e4da25SMatthew Ahrens /* ARGSUSED */ 301428e4da25SMatthew Ahrens static int 301528e4da25SMatthew Ahrens rrwlock(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 301628e4da25SMatthew Ahrens { 301728e4da25SMatthew Ahrens mdb_zfs_rrwlock_t rrw; 301828e4da25SMatthew Ahrens 301928e4da25SMatthew Ahrens if (rrw_key == 0) { 302028e4da25SMatthew Ahrens if (mdb_ctf_readsym(&rrw_key, "uint_t", "rrw_tsd_key", 0) == -1) 302128e4da25SMatthew Ahrens return (DCMD_ERR); 302228e4da25SMatthew Ahrens } 302328e4da25SMatthew Ahrens 302428e4da25SMatthew Ahrens if (mdb_ctf_vread(&rrw, "rrwlock_t", "mdb_zfs_rrwlock_t", addr, 302528e4da25SMatthew Ahrens 0) == -1) 302628e4da25SMatthew Ahrens return (DCMD_ERR); 302728e4da25SMatthew Ahrens 3028*d5ee8a13SMatthew Ahrens if (rrw.rr_writer != 0) { 3029*d5ee8a13SMatthew Ahrens mdb_printf("write lock held by thread %lx\n", rrw.rr_writer); 303028e4da25SMatthew Ahrens return (DCMD_OK); 303128e4da25SMatthew Ahrens } 303228e4da25SMatthew Ahrens 303328e4da25SMatthew Ahrens if (rrw.rr_writer_wanted) { 303428e4da25SMatthew Ahrens mdb_printf("writer wanted\n"); 303528e4da25SMatthew Ahrens } 303628e4da25SMatthew Ahrens 303728e4da25SMatthew Ahrens mdb_printf("anonymous references:\n"); 303828e4da25SMatthew Ahrens (void) mdb_call_dcmd("refcount", addr + 303928e4da25SMatthew Ahrens mdb_ctf_offsetof_by_name(ZFS_STRUCT "rrwlock", "rr_anon_rcount"), 304028e4da25SMatthew Ahrens DCMD_ADDRSPEC, 0, NULL); 304128e4da25SMatthew Ahrens 304228e4da25SMatthew Ahrens mdb_printf("linked references:\n"); 304328e4da25SMatthew Ahrens (void) mdb_call_dcmd("refcount", addr + 304428e4da25SMatthew Ahrens mdb_ctf_offsetof_by_name(ZFS_STRUCT "rrwlock", "rr_linked_rcount"), 304528e4da25SMatthew Ahrens DCMD_ADDRSPEC, 0, NULL); 304628e4da25SMatthew Ahrens 304728e4da25SMatthew Ahrens /* 304828e4da25SMatthew Ahrens * XXX This should find references from 304928e4da25SMatthew Ahrens * "::walk thread | ::tsd -v <rrw_key>", but there is no support 305028e4da25SMatthew Ahrens * for programmatic consumption of dcmds, so this would be 305128e4da25SMatthew Ahrens * difficult, potentially requiring reimplementing ::tsd (both 305228e4da25SMatthew Ahrens * user and kernel versions) in this MDB module. 305328e4da25SMatthew Ahrens */ 305428e4da25SMatthew Ahrens 305528e4da25SMatthew Ahrens return (DCMD_OK); 305628e4da25SMatthew Ahrens } 305728e4da25SMatthew Ahrens 3058fa9e4066Sahrens /* 3059fa9e4066Sahrens * MDB module linkage information: 3060fa9e4066Sahrens * 3061fa9e4066Sahrens * We declare a list of structures describing our dcmds, and a function 3062fa9e4066Sahrens * named _mdb_init to return a pointer to our module information. 3063fa9e4066Sahrens */ 3064fa9e4066Sahrens 3065fa9e4066Sahrens static const mdb_dcmd_t dcmds[] = { 306691ebeef5Sahrens { "arc", "[-bkmg]", "print ARC variables", arc_print }, 3067fa9e4066Sahrens { "blkptr", ":", "print blkptr_t", blkptr }, 3068fa9e4066Sahrens { "dbuf", ":", "print dmu_buf_impl_t", dbuf }, 3069fa9e4066Sahrens { "dbuf_stats", ":", "dbuf stats", dbuf_stats }, 3070fa9e4066Sahrens { "dbufs", 30714223fc7cSMark Shellenbaum "\t[-O objset_t*] [-n objset_name | \"mos\"] " 3072a3f829aeSBill Moore "[-o object | \"mdn\"] \n" 3073a3f829aeSBill Moore "\t[-l level] [-b blkid | \"bonus\"]", 3074a3f829aeSBill Moore "find dmu_buf_impl_t's that match specified criteria", dbufs }, 3075fa9e4066Sahrens { "abuf_find", "dva_word[0] dva_word[1]", 3076a3f829aeSBill Moore "find arc_buf_hdr_t of a specified DVA", 3077a3f829aeSBill Moore abuf_find }, 3078fa9e4066Sahrens { "spa", "?[-cv]", "spa_t summary", spa_print }, 3079fa9e4066Sahrens { "spa_config", ":", "print spa_t configuration", spa_print_config }, 3080fa9e4066Sahrens { "spa_verify", ":", "verify spa_t consistency", spa_verify }, 3081fa9e4066Sahrens { "spa_space", ":[-b]", "print spa_t on-disk space usage", spa_space }, 3082fa9e4066Sahrens { "spa_vdevs", ":", "given a spa_t, print vdev summary", spa_vdevs }, 308391ebeef5Sahrens { "vdev", ":[-re]\n" 3084a3f829aeSBill Moore "\t-r display recursively\n" 3085a3f829aeSBill Moore "\t-e print statistics", 3086a3f829aeSBill Moore "vdev_t summary", vdev_print }, 3087a3f829aeSBill Moore { "zio", ":[cpr]\n" 3088a3f829aeSBill Moore "\t-c display children\n" 3089a3f829aeSBill Moore "\t-p display parents\n" 3090a3f829aeSBill Moore "\t-r display recursively", 3091a3f829aeSBill Moore "zio_t summary", zio_print }, 3092ccae0b50Seschrock { "zio_state", "?", "print out all zio_t structures on system or " 3093ccae0b50Seschrock "for a particular pool", zio_state }, 309488b7b0f2SMatthew Ahrens { "zfs_blkstats", ":[-v]", 309588b7b0f2SMatthew Ahrens "given a spa_t, print block type stats from last scrub", 309688b7b0f2SMatthew Ahrens zfs_blkstats }, 3097614409b5Sahrens { "zfs_params", "", "print zfs tunable parameters", zfs_params }, 309828e4da25SMatthew Ahrens { "refcount", ":[-r]\n" 309928e4da25SMatthew Ahrens "\t-r display recently removed references", 310028e4da25SMatthew Ahrens "print refcount_t holders", refcount }, 31013f1f8012SMatthew Ahrens { "zap_leaf", "", "print zap_leaf_phys_t", zap_leaf }, 31020a586ceaSMark Shellenbaum { "zfs_aces", ":[-v]", "print all ACEs from a zfs_acl_t", 31030a586ceaSMark Shellenbaum zfs_acl_dump }, 31040a586ceaSMark Shellenbaum { "zfs_ace", ":[-v]", "print zfs_ace", zfs_ace_print }, 31050a586ceaSMark Shellenbaum { "zfs_ace0", ":[-v]", "print zfs_ace0", zfs_ace0_print }, 31060a586ceaSMark Shellenbaum { "sa_attr_table", ":", "print SA attribute table from sa_os_t", 31070a586ceaSMark Shellenbaum sa_attr_table}, 31080a586ceaSMark Shellenbaum { "sa_attr", ": attr_id", 31090a586ceaSMark Shellenbaum "print SA attribute address when given sa_handle_t", sa_attr_print}, 311028e4da25SMatthew Ahrens { "zfs_dbgmsg", ":[-va]", 31113f9d6ad7SLin Ling "print zfs debug log", dbgmsg}, 311228e4da25SMatthew Ahrens { "rrwlock", ":", 311328e4da25SMatthew Ahrens "print rrwlock_t, including readers", rrwlock}, 3114fa9e4066Sahrens { NULL } 3115fa9e4066Sahrens }; 3116fa9e4066Sahrens 3117fa9e4066Sahrens static const mdb_walker_t walkers[] = { 3118fa9e4066Sahrens { "zms_freelist", "walk ZFS metaslab freelist", 311928e4da25SMatthew Ahrens freelist_walk_init, freelist_walk_step, NULL }, 3120fa9e4066Sahrens { "txg_list", "given any txg_list_t *, walk all entries in all txgs", 312128e4da25SMatthew Ahrens txg_list_walk_init, txg_list_walk_step, NULL }, 3122fa9e4066Sahrens { "txg_list0", "given any txg_list_t *, walk all entries in txg 0", 312328e4da25SMatthew Ahrens txg_list0_walk_init, txg_list_walk_step, NULL }, 3124fa9e4066Sahrens { "txg_list1", "given any txg_list_t *, walk all entries in txg 1", 312528e4da25SMatthew Ahrens txg_list1_walk_init, txg_list_walk_step, NULL }, 3126fa9e4066Sahrens { "txg_list2", "given any txg_list_t *, walk all entries in txg 2", 312728e4da25SMatthew Ahrens txg_list2_walk_init, txg_list_walk_step, NULL }, 3128fa9e4066Sahrens { "txg_list3", "given any txg_list_t *, walk all entries in txg 3", 312928e4da25SMatthew Ahrens txg_list3_walk_init, txg_list_walk_step, NULL }, 3130ccae0b50Seschrock { "zio", "walk all zio structures, optionally for a particular spa_t", 313128e4da25SMatthew Ahrens zio_walk_init, zio_walk_step, NULL }, 313228e4da25SMatthew Ahrens { "zio_root", 313328e4da25SMatthew Ahrens "walk all root zio_t structures, optionally for a particular spa_t", 313428e4da25SMatthew Ahrens zio_walk_init, zio_walk_root_step, NULL }, 3135fa9e4066Sahrens { "spa", "walk all spa_t entries in the namespace", 313628e4da25SMatthew Ahrens spa_walk_init, spa_walk_step, NULL }, 31375f5f7a6fSahrens { "metaslab", "given a spa_t *, walk all metaslab_t structures", 313828e4da25SMatthew Ahrens metaslab_walk_init, metaslab_walk_step, NULL }, 31390a586ceaSMark Shellenbaum { "zfs_acl_node", "given a zfs_acl_t, walk all zfs_acl_nodes", 31400a586ceaSMark Shellenbaum zfs_acl_node_walk_init, zfs_acl_node_walk_step, NULL }, 31410a586ceaSMark Shellenbaum { "zfs_acl_node_aces", "given a zfs_acl_node_t, walk all ACEs", 31420a586ceaSMark Shellenbaum zfs_acl_node_aces_walk_init, zfs_aces_walk_step, NULL }, 31430a586ceaSMark Shellenbaum { "zfs_acl_node_aces0", 31440a586ceaSMark Shellenbaum "given a zfs_acl_node_t, walk all ACEs as ace_t", 31450a586ceaSMark Shellenbaum zfs_acl_node_aces0_walk_init, zfs_aces_walk_step, NULL }, 3146fa9e4066Sahrens { NULL } 3147fa9e4066Sahrens }; 3148fa9e4066Sahrens 3149fa9e4066Sahrens static const mdb_modinfo_t modinfo = { 3150fa9e4066Sahrens MDB_API_VERSION, dcmds, walkers 3151fa9e4066Sahrens }; 3152fa9e4066Sahrens 3153fa9e4066Sahrens const mdb_modinfo_t * 3154fa9e4066Sahrens _mdb_init(void) 3155fa9e4066Sahrens { 3156fa9e4066Sahrens return (&modinfo); 3157fa9e4066Sahrens } 3158