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/vdev_impl.h> 403f1f8012SMatthew Ahrens #include <sys/zap_leaf.h> 413f1f8012SMatthew Ahrens #include <sys/zap_impl.h> 429966ca11SMatthew Ahrens #include <ctype.h> 430a586ceaSMark Shellenbaum #include <sys/zfs_acl.h> 440a586ceaSMark Shellenbaum #include <sys/sa_impl.h> 45fa9e4066Sahrens 46fa9e4066Sahrens #ifdef _KERNEL 47fa9e4066Sahrens #define ZFS_OBJ_NAME "zfs" 48c55e05cbSMatthew Ahrens extern int64_t mdb_gethrtime(void); 49fa9e4066Sahrens #else 50fa9e4066Sahrens #define ZFS_OBJ_NAME "libzpool.so.1" 51fa9e4066Sahrens #endif 52fa9e4066Sahrens 5328e4da25SMatthew Ahrens #define ZFS_STRUCT "struct " ZFS_OBJ_NAME "`" 5428e4da25SMatthew Ahrens 55feef89cfSVictor Latushkin #ifndef _KERNEL 56feef89cfSVictor Latushkin int aok; 57feef89cfSVictor Latushkin #endif 58feef89cfSVictor Latushkin 59fa9e4066Sahrens static int 60fa9e4066Sahrens getmember(uintptr_t addr, const char *type, mdb_ctf_id_t *idp, 61fa9e4066Sahrens const char *member, int len, void *buf) 62fa9e4066Sahrens { 63fa9e4066Sahrens mdb_ctf_id_t id; 64fa9e4066Sahrens ulong_t off; 65fa9e4066Sahrens char name[64]; 66fa9e4066Sahrens 67fa9e4066Sahrens if (idp == NULL) { 68fa9e4066Sahrens if (mdb_ctf_lookup_by_name(type, &id) == -1) { 69fa9e4066Sahrens mdb_warn("couldn't find type %s", type); 70fa9e4066Sahrens return (DCMD_ERR); 71fa9e4066Sahrens } 72fa9e4066Sahrens idp = &id; 73fa9e4066Sahrens } else { 74fa9e4066Sahrens type = name; 75fa9e4066Sahrens mdb_ctf_type_name(*idp, name, sizeof (name)); 76fa9e4066Sahrens } 77fa9e4066Sahrens 78fa9e4066Sahrens if (mdb_ctf_offsetof(*idp, member, &off) == -1) { 79fa9e4066Sahrens mdb_warn("couldn't find member %s of type %s\n", member, type); 80fa9e4066Sahrens return (DCMD_ERR); 81fa9e4066Sahrens } 82fa9e4066Sahrens if (off % 8 != 0) { 83fa9e4066Sahrens mdb_warn("member %s of type %s is unsupported bitfield", 84fa9e4066Sahrens member, type); 85fa9e4066Sahrens return (DCMD_ERR); 86fa9e4066Sahrens } 87fa9e4066Sahrens off /= 8; 88fa9e4066Sahrens 89fa9e4066Sahrens if (mdb_vread(buf, len, addr + off) == -1) { 90fa9e4066Sahrens mdb_warn("failed to read %s from %s at %p", 91fa9e4066Sahrens member, type, addr + off); 92fa9e4066Sahrens return (DCMD_ERR); 93fa9e4066Sahrens } 94fa9e4066Sahrens /* mdb_warn("read %s from %s at %p+%llx\n", member, type, addr, off); */ 95fa9e4066Sahrens 96fa9e4066Sahrens return (0); 97fa9e4066Sahrens } 98fa9e4066Sahrens 9928e4da25SMatthew Ahrens #define GETMEMB(addr, structname, member, dest) \ 10028e4da25SMatthew Ahrens getmember(addr, ZFS_STRUCT structname, NULL, #member, \ 10128e4da25SMatthew Ahrens sizeof (dest), &(dest)) 102fa9e4066Sahrens 103fa9e4066Sahrens #define GETMEMBID(addr, ctfid, member, dest) \ 104fa9e4066Sahrens getmember(addr, NULL, ctfid, #member, sizeof (dest), &(dest)) 105fa9e4066Sahrens 1063f9d6ad7SLin Ling static boolean_t 1073f9d6ad7SLin Ling strisprint(const char *cp) 1083f9d6ad7SLin Ling { 1093f9d6ad7SLin Ling for (; *cp; cp++) { 1103f9d6ad7SLin Ling if (!isprint(*cp)) 1113f9d6ad7SLin Ling return (B_FALSE); 1123f9d6ad7SLin Ling } 1133f9d6ad7SLin Ling return (B_TRUE); 1143f9d6ad7SLin Ling } 1153f9d6ad7SLin Ling 116fa9e4066Sahrens static int verbose; 117fa9e4066Sahrens 118fa9e4066Sahrens static int 119fa9e4066Sahrens freelist_walk_init(mdb_walk_state_t *wsp) 120fa9e4066Sahrens { 121fa9e4066Sahrens if (wsp->walk_addr == NULL) { 122fa9e4066Sahrens mdb_warn("must supply starting address\n"); 123fa9e4066Sahrens return (WALK_ERR); 124fa9e4066Sahrens } 125fa9e4066Sahrens 126fa9e4066Sahrens wsp->walk_data = 0; /* Index into the freelist */ 127fa9e4066Sahrens return (WALK_NEXT); 128fa9e4066Sahrens } 129fa9e4066Sahrens 130fa9e4066Sahrens static int 131fa9e4066Sahrens freelist_walk_step(mdb_walk_state_t *wsp) 132fa9e4066Sahrens { 133fa9e4066Sahrens uint64_t entry; 134fa9e4066Sahrens uintptr_t number = (uintptr_t)wsp->walk_data; 1358053a263Sck153898 char *ddata[] = { "ALLOC", "FREE", "CONDENSE", "INVALID", 1368053a263Sck153898 "INVALID", "INVALID", "INVALID", "INVALID" }; 137fa9e4066Sahrens int mapshift = SPA_MINBLOCKSHIFT; 138fa9e4066Sahrens 139fa9e4066Sahrens if (mdb_vread(&entry, sizeof (entry), wsp->walk_addr) == -1) { 140fa9e4066Sahrens mdb_warn("failed to read freelist entry %p", wsp->walk_addr); 141fa9e4066Sahrens return (WALK_DONE); 142fa9e4066Sahrens } 143fa9e4066Sahrens wsp->walk_addr += sizeof (entry); 144fa9e4066Sahrens wsp->walk_data = (void *)(number + 1); 145fa9e4066Sahrens 146fa9e4066Sahrens if (SM_DEBUG_DECODE(entry)) { 147fa9e4066Sahrens mdb_printf("DEBUG: %3u %10s: txg=%llu pass=%llu\n", 148fa9e4066Sahrens number, 149fa9e4066Sahrens ddata[SM_DEBUG_ACTION_DECODE(entry)], 150fa9e4066Sahrens SM_DEBUG_TXG_DECODE(entry), 151fa9e4066Sahrens SM_DEBUG_SYNCPASS_DECODE(entry)); 152fa9e4066Sahrens } else { 153fa9e4066Sahrens mdb_printf("Entry: %3u offsets=%08llx-%08llx type=%c " 154fa9e4066Sahrens "size=%06llx", number, 155fa9e4066Sahrens SM_OFFSET_DECODE(entry) << mapshift, 156fa9e4066Sahrens (SM_OFFSET_DECODE(entry) + SM_RUN_DECODE(entry)) << 157fa9e4066Sahrens mapshift, 158fa9e4066Sahrens SM_TYPE_DECODE(entry) == SM_ALLOC ? 'A' : 'F', 159fa9e4066Sahrens SM_RUN_DECODE(entry) << mapshift); 160fa9e4066Sahrens if (verbose) 161fa9e4066Sahrens mdb_printf(" (raw=%012llx)\n", entry); 162fa9e4066Sahrens mdb_printf("\n"); 163fa9e4066Sahrens } 164fa9e4066Sahrens return (WALK_NEXT); 165fa9e4066Sahrens } 166fa9e4066Sahrens 167fa9e4066Sahrens static int 16828e4da25SMatthew Ahrens mdb_dsl_dir_name(uintptr_t addr, char *buf) 169fa9e4066Sahrens { 170fa9e4066Sahrens static int gotid; 171fa9e4066Sahrens static mdb_ctf_id_t dd_id; 172fa9e4066Sahrens uintptr_t dd_parent; 173fa9e4066Sahrens char dd_myname[MAXNAMELEN]; 174fa9e4066Sahrens 175fa9e4066Sahrens if (!gotid) { 17628e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "dsl_dir", 177fa9e4066Sahrens &dd_id) == -1) { 178fa9e4066Sahrens mdb_warn("couldn't find struct dsl_dir"); 179fa9e4066Sahrens return (DCMD_ERR); 180fa9e4066Sahrens } 181fa9e4066Sahrens gotid = TRUE; 182fa9e4066Sahrens } 183fa9e4066Sahrens if (GETMEMBID(addr, &dd_id, dd_parent, dd_parent) || 184fa9e4066Sahrens GETMEMBID(addr, &dd_id, dd_myname, dd_myname)) { 185fa9e4066Sahrens return (DCMD_ERR); 186fa9e4066Sahrens } 187fa9e4066Sahrens 188fa9e4066Sahrens if (dd_parent) { 18928e4da25SMatthew Ahrens if (mdb_dsl_dir_name(dd_parent, buf)) 190fa9e4066Sahrens return (DCMD_ERR); 191fa9e4066Sahrens strcat(buf, "/"); 192fa9e4066Sahrens } 193fa9e4066Sahrens 194fa9e4066Sahrens if (dd_myname[0]) 195fa9e4066Sahrens strcat(buf, dd_myname); 196fa9e4066Sahrens else 197fa9e4066Sahrens strcat(buf, "???"); 198fa9e4066Sahrens 199fa9e4066Sahrens return (0); 200fa9e4066Sahrens } 201fa9e4066Sahrens 202fa9e4066Sahrens static int 203fa9e4066Sahrens objset_name(uintptr_t addr, char *buf) 204fa9e4066Sahrens { 205fa9e4066Sahrens static int gotid; 2064223fc7cSMark Shellenbaum static mdb_ctf_id_t os_id, ds_id; 207fa9e4066Sahrens uintptr_t os_dsl_dataset; 208fa9e4066Sahrens char ds_snapname[MAXNAMELEN]; 209fa9e4066Sahrens uintptr_t ds_dir; 210fa9e4066Sahrens 211fa9e4066Sahrens buf[0] = '\0'; 212fa9e4066Sahrens 213fa9e4066Sahrens if (!gotid) { 21428e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "objset", 2154223fc7cSMark Shellenbaum &os_id) == -1) { 2164223fc7cSMark Shellenbaum mdb_warn("couldn't find struct objset"); 217fa9e4066Sahrens return (DCMD_ERR); 218fa9e4066Sahrens } 21928e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "dsl_dataset", 220fa9e4066Sahrens &ds_id) == -1) { 221fa9e4066Sahrens mdb_warn("couldn't find struct dsl_dataset"); 222fa9e4066Sahrens return (DCMD_ERR); 223fa9e4066Sahrens } 224fa9e4066Sahrens 225fa9e4066Sahrens gotid = TRUE; 226fa9e4066Sahrens } 227fa9e4066Sahrens 2284223fc7cSMark Shellenbaum if (GETMEMBID(addr, &os_id, os_dsl_dataset, os_dsl_dataset)) 229fa9e4066Sahrens return (DCMD_ERR); 230fa9e4066Sahrens 231fa9e4066Sahrens if (os_dsl_dataset == 0) { 232fa9e4066Sahrens strcat(buf, "mos"); 233fa9e4066Sahrens return (0); 234fa9e4066Sahrens } 235fa9e4066Sahrens 236fa9e4066Sahrens if (GETMEMBID(os_dsl_dataset, &ds_id, ds_snapname, ds_snapname) || 237fa9e4066Sahrens GETMEMBID(os_dsl_dataset, &ds_id, ds_dir, ds_dir)) { 238fa9e4066Sahrens return (DCMD_ERR); 239fa9e4066Sahrens } 240fa9e4066Sahrens 24128e4da25SMatthew Ahrens if (ds_dir && mdb_dsl_dir_name(ds_dir, buf)) 242fa9e4066Sahrens return (DCMD_ERR); 243fa9e4066Sahrens 244fa9e4066Sahrens if (ds_snapname[0]) { 245fa9e4066Sahrens strcat(buf, "@"); 246fa9e4066Sahrens strcat(buf, ds_snapname); 247fa9e4066Sahrens } 248fa9e4066Sahrens return (0); 249fa9e4066Sahrens } 250fa9e4066Sahrens 251fa9e4066Sahrens static void 252fa9e4066Sahrens enum_lookup(char *out, size_t size, mdb_ctf_id_t id, int val, 253fa9e4066Sahrens const char *prefix) 254fa9e4066Sahrens { 255fa9e4066Sahrens const char *cp; 256fa9e4066Sahrens size_t len = strlen(prefix); 257fa9e4066Sahrens 258fa9e4066Sahrens if ((cp = mdb_ctf_enum_name(id, val)) != NULL) { 259fa9e4066Sahrens if (strncmp(cp, prefix, len) == 0) 260fa9e4066Sahrens cp += len; 261fa9e4066Sahrens (void) strncpy(out, cp, size); 262fa9e4066Sahrens } else { 263fa9e4066Sahrens mdb_snprintf(out, size, "? (%d)", val); 264fa9e4066Sahrens } 265fa9e4066Sahrens } 266fa9e4066Sahrens 267fa9e4066Sahrens /* ARGSUSED */ 268fa9e4066Sahrens static int 269614409b5Sahrens zfs_params(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 270614409b5Sahrens { 271614409b5Sahrens /* 272614409b5Sahrens * This table can be approximately generated by running: 273614409b5Sahrens * egrep "^[a-z0-9_]+ [a-z0-9_]+( =.*)?;" *.c | cut -d ' ' -f 2 274614409b5Sahrens */ 275614409b5Sahrens static const char *params[] = { 276614409b5Sahrens "arc_reduce_dnlc_percent", 27769962b56SMatthew Ahrens "arc_lotsfree_percent", 27869962b56SMatthew Ahrens "zfs_dirty_data_max", 27969962b56SMatthew Ahrens "zfs_dirty_data_sync", 28069962b56SMatthew Ahrens "zfs_delay_max_ns", 28169962b56SMatthew Ahrens "zfs_delay_min_dirty_percent", 28269962b56SMatthew Ahrens "zfs_delay_scale", 28369962b56SMatthew Ahrens "zfs_vdev_max_active", 28469962b56SMatthew Ahrens "zfs_vdev_sync_read_min_active", 28569962b56SMatthew Ahrens "zfs_vdev_sync_read_max_active", 28669962b56SMatthew Ahrens "zfs_vdev_sync_write_min_active", 28769962b56SMatthew Ahrens "zfs_vdev_sync_write_max_active", 28869962b56SMatthew Ahrens "zfs_vdev_async_read_min_active", 28969962b56SMatthew Ahrens "zfs_vdev_async_read_max_active", 29069962b56SMatthew Ahrens "zfs_vdev_async_write_min_active", 29169962b56SMatthew Ahrens "zfs_vdev_async_write_max_active", 29269962b56SMatthew Ahrens "zfs_vdev_scrub_min_active", 29369962b56SMatthew Ahrens "zfs_vdev_scrub_max_active", 29469962b56SMatthew Ahrens "zfs_vdev_async_write_active_min_dirty_percent", 29569962b56SMatthew Ahrens "zfs_vdev_async_write_active_max_dirty_percent", 29669962b56SMatthew Ahrens "spa_asize_inflation", 297614409b5Sahrens "zfs_arc_max", 298614409b5Sahrens "zfs_arc_min", 29949e3519aSmaybee "arc_shrink_shift", 300614409b5Sahrens "zfs_mdcomp_disable", 301614409b5Sahrens "zfs_prefetch_disable", 302614409b5Sahrens "zfetch_max_streams", 303614409b5Sahrens "zfetch_min_sec_reap", 304614409b5Sahrens "zfetch_block_cap", 305614409b5Sahrens "zfetch_array_rd_sz", 306614409b5Sahrens "zfs_default_bs", 307614409b5Sahrens "zfs_default_ibs", 308614409b5Sahrens "metaslab_aliquot", 309614409b5Sahrens "reference_tracking_enable", 310614409b5Sahrens "reference_history", 311614409b5Sahrens "spa_max_replication_override", 312b24ab676SJeff Bonwick "spa_mode_global", 313614409b5Sahrens "zfs_flags", 3141ab7f2deSmaybee "zfs_txg_timeout", 315614409b5Sahrens "zfs_vdev_cache_max", 316614409b5Sahrens "zfs_vdev_cache_size", 317614409b5Sahrens "zfs_vdev_cache_bshift", 318614409b5Sahrens "vdev_mirror_shift", 319614409b5Sahrens "zfs_scrub_limit", 320b16da2e2SGeorge Wilson "zfs_no_scrub_io", 321b16da2e2SGeorge Wilson "zfs_no_scrub_prefetch", 322614409b5Sahrens "zfs_vdev_aggregation_limit", 323614409b5Sahrens "fzap_default_block_shift", 324614409b5Sahrens "zfs_immediate_write_sz", 325614409b5Sahrens "zfs_read_chunk_size", 326614409b5Sahrens "zfs_nocacheflush", 32755da60b9SMark J Musante "zil_replay_disable", 3281ab7f2deSmaybee "metaslab_gang_bang", 329d6e555bdSGeorge Wilson "metaslab_df_alloc_threshold", 330d6e555bdSGeorge Wilson "metaslab_df_free_pct", 331614409b5Sahrens "zio_injection_enabled", 332614409b5Sahrens "zvol_immediate_write_sz", 333614409b5Sahrens }; 334614409b5Sahrens 335b24ab676SJeff Bonwick for (int i = 0; i < sizeof (params) / sizeof (params[0]); i++) { 336614409b5Sahrens int sz; 337614409b5Sahrens uint64_t val64; 338614409b5Sahrens uint32_t *val32p = (uint32_t *)&val64; 339614409b5Sahrens 340614409b5Sahrens sz = mdb_readvar(&val64, params[i]); 341614409b5Sahrens if (sz == 4) { 342614409b5Sahrens mdb_printf("%s = 0x%x\n", params[i], *val32p); 343614409b5Sahrens } else if (sz == 8) { 344614409b5Sahrens mdb_printf("%s = 0x%llx\n", params[i], val64); 345614409b5Sahrens } else { 346614409b5Sahrens mdb_warn("variable %s not found", params[i]); 347614409b5Sahrens } 348614409b5Sahrens } 349614409b5Sahrens 350614409b5Sahrens return (DCMD_OK); 351614409b5Sahrens } 352614409b5Sahrens 353614409b5Sahrens /* ARGSUSED */ 354614409b5Sahrens static int 355fa9e4066Sahrens blkptr(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 356fa9e4066Sahrens { 357b24ab676SJeff Bonwick mdb_ctf_id_t type_enum, checksum_enum, compress_enum; 358b24ab676SJeff Bonwick char type[80], checksum[80], compress[80]; 359b24ab676SJeff Bonwick blkptr_t blk, *bp = &blk; 360b24ab676SJeff Bonwick char buf[BP_SPRINTF_LEN]; 361fa9e4066Sahrens 362b24ab676SJeff Bonwick if (mdb_vread(&blk, sizeof (blkptr_t), addr) == -1) { 363fa9e4066Sahrens mdb_warn("failed to read blkptr_t"); 364fa9e4066Sahrens return (DCMD_ERR); 365fa9e4066Sahrens } 366fa9e4066Sahrens 367b24ab676SJeff Bonwick if (mdb_ctf_lookup_by_name("enum dmu_object_type", &type_enum) == -1 || 368b24ab676SJeff Bonwick mdb_ctf_lookup_by_name("enum zio_checksum", &checksum_enum) == -1 || 369b24ab676SJeff Bonwick mdb_ctf_lookup_by_name("enum zio_compress", &compress_enum) == -1) { 370b24ab676SJeff Bonwick mdb_warn("Could not find blkptr enumerated types"); 371fa9e4066Sahrens return (DCMD_ERR); 372fa9e4066Sahrens } 373fa9e4066Sahrens 374b24ab676SJeff Bonwick enum_lookup(type, sizeof (type), type_enum, 375b24ab676SJeff Bonwick BP_GET_TYPE(bp), "DMU_OT_"); 376b24ab676SJeff Bonwick enum_lookup(checksum, sizeof (checksum), checksum_enum, 377b24ab676SJeff Bonwick BP_GET_CHECKSUM(bp), "ZIO_CHECKSUM_"); 378b24ab676SJeff Bonwick enum_lookup(compress, sizeof (compress), compress_enum, 379b24ab676SJeff Bonwick BP_GET_COMPRESS(bp), "ZIO_COMPRESS_"); 380fa9e4066Sahrens 381b24ab676SJeff Bonwick SPRINTF_BLKPTR(mdb_snprintf, '\n', buf, bp, type, checksum, compress); 382fa9e4066Sahrens 383b24ab676SJeff Bonwick mdb_printf("%s\n", buf); 384fa9e4066Sahrens 385fa9e4066Sahrens return (DCMD_OK); 386fa9e4066Sahrens } 387fa9e4066Sahrens 38828e4da25SMatthew Ahrens typedef struct mdb_dmu_buf_impl { 38928e4da25SMatthew Ahrens struct { 39028e4da25SMatthew Ahrens uint64_t db_object; 39128e4da25SMatthew Ahrens } db; 392d5ee8a13SMatthew Ahrens uintptr_t db_objset; 39328e4da25SMatthew Ahrens uint64_t db_level; 39428e4da25SMatthew Ahrens uint64_t db_blkid; 39528e4da25SMatthew Ahrens struct { 39628e4da25SMatthew Ahrens uint64_t rc_count; 39728e4da25SMatthew Ahrens } db_holds; 39828e4da25SMatthew Ahrens } mdb_dmu_buf_impl_t; 39928e4da25SMatthew Ahrens 400fa9e4066Sahrens /* ARGSUSED */ 401fa9e4066Sahrens static int 402fa9e4066Sahrens dbuf(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 403fa9e4066Sahrens { 40428e4da25SMatthew Ahrens mdb_dmu_buf_impl_t db; 405fa9e4066Sahrens char objectname[32]; 406fa9e4066Sahrens char blkidname[32]; 407fa9e4066Sahrens char path[MAXNAMELEN]; 408fa9e4066Sahrens 40928e4da25SMatthew Ahrens if (DCMD_HDRSPEC(flags)) 410fa9e4066Sahrens mdb_printf(" addr object lvl blkid holds os\n"); 411fa9e4066Sahrens 41228e4da25SMatthew Ahrens if (mdb_ctf_vread(&db, ZFS_STRUCT "dmu_buf_impl", "mdb_dmu_buf_impl_t", 41328e4da25SMatthew Ahrens addr, 0) == -1) 414fa9e4066Sahrens return (DCMD_ERR); 415fa9e4066Sahrens 41628e4da25SMatthew Ahrens if (db.db.db_object == DMU_META_DNODE_OBJECT) 417fa9e4066Sahrens (void) strcpy(objectname, "mdn"); 418fa9e4066Sahrens else 419fa9e4066Sahrens (void) mdb_snprintf(objectname, sizeof (objectname), "%llx", 42028e4da25SMatthew Ahrens (u_longlong_t)db.db.db_object); 421fa9e4066Sahrens 42228e4da25SMatthew Ahrens if (db.db_blkid == DMU_BONUS_BLKID) 423fa9e4066Sahrens (void) strcpy(blkidname, "bonus"); 424fa9e4066Sahrens else 425fa9e4066Sahrens (void) mdb_snprintf(blkidname, sizeof (blkidname), "%llx", 42628e4da25SMatthew Ahrens (u_longlong_t)db.db_blkid); 427fa9e4066Sahrens 428d5ee8a13SMatthew Ahrens if (objset_name(db.db_objset, path)) { 42928e4da25SMatthew Ahrens return (DCMD_ERR); 430fa9e4066Sahrens } 431fa9e4066Sahrens 43228e4da25SMatthew Ahrens mdb_printf("%p %8s %1u %9s %2llu %s\n", addr, 43328e4da25SMatthew Ahrens objectname, (int)db.db_level, blkidname, 43428e4da25SMatthew Ahrens db.db_holds.rc_count, path); 435fa9e4066Sahrens 436fa9e4066Sahrens return (DCMD_OK); 437fa9e4066Sahrens } 438fa9e4066Sahrens 439fa9e4066Sahrens /* ARGSUSED */ 440fa9e4066Sahrens static int 441fa9e4066Sahrens dbuf_stats(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 442fa9e4066Sahrens { 443fa9e4066Sahrens #define HISTOSZ 32 444fa9e4066Sahrens uintptr_t dbp; 445fa9e4066Sahrens dmu_buf_impl_t db; 446fa9e4066Sahrens dbuf_hash_table_t ht; 447fa9e4066Sahrens uint64_t bucket, ndbufs; 448fa9e4066Sahrens uint64_t histo[HISTOSZ]; 449fa9e4066Sahrens uint64_t histo2[HISTOSZ]; 450fa9e4066Sahrens int i, maxidx; 451fa9e4066Sahrens 452fa9e4066Sahrens if (mdb_readvar(&ht, "dbuf_hash_table") == -1) { 453fa9e4066Sahrens mdb_warn("failed to read 'dbuf_hash_table'"); 454fa9e4066Sahrens return (DCMD_ERR); 455fa9e4066Sahrens } 456fa9e4066Sahrens 457fa9e4066Sahrens for (i = 0; i < HISTOSZ; i++) { 458fa9e4066Sahrens histo[i] = 0; 459fa9e4066Sahrens histo2[i] = 0; 460fa9e4066Sahrens } 461fa9e4066Sahrens 462fa9e4066Sahrens ndbufs = 0; 463fa9e4066Sahrens for (bucket = 0; bucket < ht.hash_table_mask+1; bucket++) { 464fa9e4066Sahrens int len; 465fa9e4066Sahrens 466fa9e4066Sahrens if (mdb_vread(&dbp, sizeof (void *), 467fa9e4066Sahrens (uintptr_t)(ht.hash_table+bucket)) == -1) { 468fa9e4066Sahrens mdb_warn("failed to read hash bucket %u at %p", 469fa9e4066Sahrens bucket, ht.hash_table+bucket); 470fa9e4066Sahrens return (DCMD_ERR); 471fa9e4066Sahrens } 472fa9e4066Sahrens 473fa9e4066Sahrens len = 0; 474fa9e4066Sahrens while (dbp != 0) { 475fa9e4066Sahrens if (mdb_vread(&db, sizeof (dmu_buf_impl_t), 476fa9e4066Sahrens dbp) == -1) { 477fa9e4066Sahrens mdb_warn("failed to read dbuf at %p", dbp); 478fa9e4066Sahrens return (DCMD_ERR); 479fa9e4066Sahrens } 480fa9e4066Sahrens dbp = (uintptr_t)db.db_hash_next; 481fa9e4066Sahrens for (i = MIN(len, HISTOSZ - 1); i >= 0; i--) 482fa9e4066Sahrens histo2[i]++; 483fa9e4066Sahrens len++; 484fa9e4066Sahrens ndbufs++; 485fa9e4066Sahrens } 486fa9e4066Sahrens 487fa9e4066Sahrens if (len >= HISTOSZ) 488fa9e4066Sahrens len = HISTOSZ-1; 489fa9e4066Sahrens histo[len]++; 490fa9e4066Sahrens } 491fa9e4066Sahrens 492fa9e4066Sahrens mdb_printf("hash table has %llu buckets, %llu dbufs " 493fa9e4066Sahrens "(avg %llu buckets/dbuf)\n", 494fa9e4066Sahrens ht.hash_table_mask+1, ndbufs, 495fa9e4066Sahrens (ht.hash_table_mask+1)/ndbufs); 496fa9e4066Sahrens 497fa9e4066Sahrens mdb_printf("\n"); 498fa9e4066Sahrens maxidx = 0; 499fa9e4066Sahrens for (i = 0; i < HISTOSZ; i++) 500fa9e4066Sahrens if (histo[i] > 0) 501fa9e4066Sahrens maxidx = i; 502fa9e4066Sahrens mdb_printf("hash chain length number of buckets\n"); 503fa9e4066Sahrens for (i = 0; i <= maxidx; i++) 504fa9e4066Sahrens mdb_printf("%u %llu\n", i, histo[i]); 505fa9e4066Sahrens 506fa9e4066Sahrens mdb_printf("\n"); 507fa9e4066Sahrens maxidx = 0; 508fa9e4066Sahrens for (i = 0; i < HISTOSZ; i++) 509fa9e4066Sahrens if (histo2[i] > 0) 510fa9e4066Sahrens maxidx = i; 511fa9e4066Sahrens mdb_printf("hash chain depth number of dbufs\n"); 512fa9e4066Sahrens for (i = 0; i <= maxidx; i++) 513fa9e4066Sahrens mdb_printf("%u or more %llu %llu%%\n", 514fa9e4066Sahrens i, histo2[i], histo2[i]*100/ndbufs); 515fa9e4066Sahrens 516fa9e4066Sahrens 517fa9e4066Sahrens return (DCMD_OK); 518fa9e4066Sahrens } 519fa9e4066Sahrens 5203f1f8012SMatthew Ahrens #define CHAIN_END 0xffff 5213f1f8012SMatthew Ahrens /* 5223f1f8012SMatthew Ahrens * ::zap_leaf [-v] 5233f1f8012SMatthew Ahrens * 5243f1f8012SMatthew Ahrens * Print a zap_leaf_phys_t, assumed to be 16k 5253f1f8012SMatthew Ahrens */ 5263f1f8012SMatthew Ahrens /* ARGSUSED */ 5273f1f8012SMatthew Ahrens static int 5283f1f8012SMatthew Ahrens zap_leaf(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 5293f1f8012SMatthew Ahrens { 5303f1f8012SMatthew Ahrens char buf[16*1024]; 5313f1f8012SMatthew Ahrens int verbose = B_FALSE; 5323f1f8012SMatthew Ahrens int four = B_FALSE; 5333f1f8012SMatthew Ahrens zap_leaf_t l; 5343f1f8012SMatthew Ahrens zap_leaf_phys_t *zlp = (void *)buf; 5353f1f8012SMatthew Ahrens int i; 5363f1f8012SMatthew Ahrens 5373f1f8012SMatthew Ahrens if (mdb_getopts(argc, argv, 5383f1f8012SMatthew Ahrens 'v', MDB_OPT_SETBITS, TRUE, &verbose, 5393f1f8012SMatthew Ahrens '4', MDB_OPT_SETBITS, TRUE, &four, 5403f1f8012SMatthew Ahrens NULL) != argc) 5413f1f8012SMatthew Ahrens return (DCMD_USAGE); 5423f1f8012SMatthew Ahrens 5433f1f8012SMatthew Ahrens l.l_phys = zlp; 5443f1f8012SMatthew Ahrens l.l_bs = 14; /* assume 16k blocks */ 5453f1f8012SMatthew Ahrens if (four) 5463f1f8012SMatthew Ahrens l.l_bs = 12; 5473f1f8012SMatthew Ahrens 5483f1f8012SMatthew Ahrens if (!(flags & DCMD_ADDRSPEC)) { 5493f1f8012SMatthew Ahrens return (DCMD_USAGE); 5503f1f8012SMatthew Ahrens } 5513f1f8012SMatthew Ahrens 5523f1f8012SMatthew Ahrens if (mdb_vread(buf, sizeof (buf), addr) == -1) { 5533f1f8012SMatthew Ahrens mdb_warn("failed to read zap_leaf_phys_t at %p", addr); 5543f1f8012SMatthew Ahrens return (DCMD_ERR); 5553f1f8012SMatthew Ahrens } 5563f1f8012SMatthew Ahrens 5573f1f8012SMatthew Ahrens if (zlp->l_hdr.lh_block_type != ZBT_LEAF || 5583f1f8012SMatthew Ahrens zlp->l_hdr.lh_magic != ZAP_LEAF_MAGIC) { 5593f1f8012SMatthew Ahrens mdb_warn("This does not appear to be a zap_leaf_phys_t"); 5603f1f8012SMatthew Ahrens return (DCMD_ERR); 5613f1f8012SMatthew Ahrens } 5623f1f8012SMatthew Ahrens 5633f1f8012SMatthew Ahrens mdb_printf("zap_leaf_phys_t at %p:\n", addr); 5643f1f8012SMatthew Ahrens mdb_printf(" lh_prefix_len = %u\n", zlp->l_hdr.lh_prefix_len); 5653f1f8012SMatthew Ahrens mdb_printf(" lh_prefix = %llx\n", zlp->l_hdr.lh_prefix); 5663f1f8012SMatthew Ahrens mdb_printf(" lh_nentries = %u\n", zlp->l_hdr.lh_nentries); 5673f1f8012SMatthew Ahrens mdb_printf(" lh_nfree = %u\n", zlp->l_hdr.lh_nfree, 5683f1f8012SMatthew Ahrens zlp->l_hdr.lh_nfree * 100 / (ZAP_LEAF_NUMCHUNKS(&l))); 5693f1f8012SMatthew Ahrens mdb_printf(" lh_freelist = %u\n", zlp->l_hdr.lh_freelist); 5703f1f8012SMatthew Ahrens mdb_printf(" lh_flags = %x (%s)\n", zlp->l_hdr.lh_flags, 5713f1f8012SMatthew Ahrens zlp->l_hdr.lh_flags & ZLF_ENTRIES_CDSORTED ? 5723f1f8012SMatthew Ahrens "ENTRIES_CDSORTED" : ""); 5733f1f8012SMatthew Ahrens 5743f1f8012SMatthew Ahrens if (verbose) { 5753f1f8012SMatthew Ahrens mdb_printf(" hash table:\n"); 5763f1f8012SMatthew Ahrens for (i = 0; i < ZAP_LEAF_HASH_NUMENTRIES(&l); i++) { 5773f1f8012SMatthew Ahrens if (zlp->l_hash[i] != CHAIN_END) 5783f1f8012SMatthew Ahrens mdb_printf(" %u: %u\n", i, zlp->l_hash[i]); 5793f1f8012SMatthew Ahrens } 5803f1f8012SMatthew Ahrens } 5813f1f8012SMatthew Ahrens 5823f1f8012SMatthew Ahrens mdb_printf(" chunks:\n"); 5833f1f8012SMatthew Ahrens for (i = 0; i < ZAP_LEAF_NUMCHUNKS(&l); i++) { 5843f1f8012SMatthew Ahrens /* LINTED: alignment */ 5853f1f8012SMatthew Ahrens zap_leaf_chunk_t *zlc = &ZAP_LEAF_CHUNK(&l, i); 5863f1f8012SMatthew Ahrens switch (zlc->l_entry.le_type) { 5873f1f8012SMatthew Ahrens case ZAP_CHUNK_FREE: 5883f1f8012SMatthew Ahrens if (verbose) { 5893f1f8012SMatthew Ahrens mdb_printf(" %u: free; lf_next = %u\n", 5903f1f8012SMatthew Ahrens i, zlc->l_free.lf_next); 5913f1f8012SMatthew Ahrens } 5923f1f8012SMatthew Ahrens break; 5933f1f8012SMatthew Ahrens case ZAP_CHUNK_ENTRY: 5943f1f8012SMatthew Ahrens mdb_printf(" %u: entry\n", i); 5953f1f8012SMatthew Ahrens if (verbose) { 5963f1f8012SMatthew Ahrens mdb_printf(" le_next = %u\n", 5973f1f8012SMatthew Ahrens zlc->l_entry.le_next); 5983f1f8012SMatthew Ahrens } 5993f1f8012SMatthew Ahrens mdb_printf(" le_name_chunk = %u\n", 6003f1f8012SMatthew Ahrens zlc->l_entry.le_name_chunk); 6013f1f8012SMatthew Ahrens mdb_printf(" le_name_numints = %u\n", 6023f1f8012SMatthew Ahrens zlc->l_entry.le_name_numints); 6033f1f8012SMatthew Ahrens mdb_printf(" le_value_chunk = %u\n", 6043f1f8012SMatthew Ahrens zlc->l_entry.le_value_chunk); 6053f1f8012SMatthew Ahrens mdb_printf(" le_value_intlen = %u\n", 6063f1f8012SMatthew Ahrens zlc->l_entry.le_value_intlen); 6073f1f8012SMatthew Ahrens mdb_printf(" le_value_numints = %u\n", 6083f1f8012SMatthew Ahrens zlc->l_entry.le_value_numints); 6093f1f8012SMatthew Ahrens mdb_printf(" le_cd = %u\n", 6103f1f8012SMatthew Ahrens zlc->l_entry.le_cd); 6113f1f8012SMatthew Ahrens mdb_printf(" le_hash = %llx\n", 6123f1f8012SMatthew Ahrens zlc->l_entry.le_hash); 6133f1f8012SMatthew Ahrens break; 6143f1f8012SMatthew Ahrens case ZAP_CHUNK_ARRAY: 6153f9d6ad7SLin Ling mdb_printf(" %u: array", i); 6163f9d6ad7SLin Ling if (strisprint((char *)zlc->l_array.la_array)) 6173f9d6ad7SLin Ling mdb_printf(" \"%s\"", zlc->l_array.la_array); 6183f9d6ad7SLin Ling mdb_printf("\n"); 6193f1f8012SMatthew Ahrens if (verbose) { 6203f1f8012SMatthew Ahrens int j; 6213f1f8012SMatthew Ahrens mdb_printf(" "); 6223f1f8012SMatthew Ahrens for (j = 0; j < ZAP_LEAF_ARRAY_BYTES; j++) { 6233f1f8012SMatthew Ahrens mdb_printf("%02x ", 6243f1f8012SMatthew Ahrens zlc->l_array.la_array[j]); 6253f1f8012SMatthew Ahrens } 6263f1f8012SMatthew Ahrens mdb_printf("\n"); 6273f1f8012SMatthew Ahrens } 6283f1f8012SMatthew Ahrens if (zlc->l_array.la_next != CHAIN_END) { 6293f1f8012SMatthew Ahrens mdb_printf(" lf_next = %u\n", 6303f1f8012SMatthew Ahrens zlc->l_array.la_next); 6313f1f8012SMatthew Ahrens } 6323f1f8012SMatthew Ahrens break; 6333f1f8012SMatthew Ahrens default: 6343f1f8012SMatthew Ahrens mdb_printf(" %u: undefined type %u\n", 6353f1f8012SMatthew Ahrens zlc->l_entry.le_type); 6363f1f8012SMatthew Ahrens } 6373f1f8012SMatthew Ahrens } 6383f1f8012SMatthew Ahrens 6393f1f8012SMatthew Ahrens return (DCMD_OK); 6403f1f8012SMatthew Ahrens } 6413f1f8012SMatthew Ahrens 642fa9e4066Sahrens typedef struct dbufs_data { 643fa9e4066Sahrens mdb_ctf_id_t id; 644fa9e4066Sahrens uint64_t objset; 645fa9e4066Sahrens uint64_t object; 646fa9e4066Sahrens uint64_t level; 647fa9e4066Sahrens uint64_t blkid; 648fa9e4066Sahrens char *osname; 649fa9e4066Sahrens } dbufs_data_t; 650fa9e4066Sahrens 651fa9e4066Sahrens #define DBUFS_UNSET (0xbaddcafedeadbeefULL) 652fa9e4066Sahrens 653fa9e4066Sahrens /* ARGSUSED */ 654fa9e4066Sahrens static int 655fa9e4066Sahrens dbufs_cb(uintptr_t addr, const void *unknown, void *arg) 656fa9e4066Sahrens { 657fa9e4066Sahrens dbufs_data_t *data = arg; 658fa9e4066Sahrens uintptr_t objset; 659fa9e4066Sahrens dmu_buf_t db; 660fa9e4066Sahrens uint8_t level; 661fa9e4066Sahrens uint64_t blkid; 662fa9e4066Sahrens char osname[MAXNAMELEN]; 663fa9e4066Sahrens 664fa9e4066Sahrens if (GETMEMBID(addr, &data->id, db_objset, objset) || 665fa9e4066Sahrens GETMEMBID(addr, &data->id, db, db) || 666fa9e4066Sahrens GETMEMBID(addr, &data->id, db_level, level) || 667fa9e4066Sahrens GETMEMBID(addr, &data->id, db_blkid, blkid)) { 668fa9e4066Sahrens return (WALK_ERR); 669fa9e4066Sahrens } 670fa9e4066Sahrens 671fa9e4066Sahrens if ((data->objset == DBUFS_UNSET || data->objset == objset) && 672fa9e4066Sahrens (data->osname == NULL || (objset_name(objset, osname) == 0 && 673fa9e4066Sahrens strcmp(data->osname, osname) == 0)) && 674fa9e4066Sahrens (data->object == DBUFS_UNSET || data->object == db.db_object) && 675fa9e4066Sahrens (data->level == DBUFS_UNSET || data->level == level) && 676fa9e4066Sahrens (data->blkid == DBUFS_UNSET || data->blkid == blkid)) { 677fa9e4066Sahrens mdb_printf("%#lr\n", addr); 678fa9e4066Sahrens } 679fa9e4066Sahrens return (WALK_NEXT); 680fa9e4066Sahrens } 681fa9e4066Sahrens 682fa9e4066Sahrens /* ARGSUSED */ 683fa9e4066Sahrens static int 684fa9e4066Sahrens dbufs(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 685fa9e4066Sahrens { 686fa9e4066Sahrens dbufs_data_t data; 687fa9e4066Sahrens char *object = NULL; 688fa9e4066Sahrens char *blkid = NULL; 689fa9e4066Sahrens 690fa9e4066Sahrens data.objset = data.object = data.level = data.blkid = DBUFS_UNSET; 691fa9e4066Sahrens data.osname = NULL; 692fa9e4066Sahrens 693fa9e4066Sahrens if (mdb_getopts(argc, argv, 694fa9e4066Sahrens 'O', MDB_OPT_UINT64, &data.objset, 695fa9e4066Sahrens 'n', MDB_OPT_STR, &data.osname, 696fa9e4066Sahrens 'o', MDB_OPT_STR, &object, 697fa9e4066Sahrens 'l', MDB_OPT_UINT64, &data.level, 698fa9e4066Sahrens 'b', MDB_OPT_STR, &blkid) != argc) { 699fa9e4066Sahrens return (DCMD_USAGE); 700fa9e4066Sahrens } 701fa9e4066Sahrens 702fa9e4066Sahrens if (object) { 703fa9e4066Sahrens if (strcmp(object, "mdn") == 0) { 704fa9e4066Sahrens data.object = DMU_META_DNODE_OBJECT; 705fa9e4066Sahrens } else { 706fa9e4066Sahrens data.object = mdb_strtoull(object); 707fa9e4066Sahrens } 708fa9e4066Sahrens } 709fa9e4066Sahrens 710fa9e4066Sahrens if (blkid) { 711fa9e4066Sahrens if (strcmp(blkid, "bonus") == 0) { 7120a586ceaSMark Shellenbaum data.blkid = DMU_BONUS_BLKID; 713fa9e4066Sahrens } else { 714fa9e4066Sahrens data.blkid = mdb_strtoull(blkid); 715fa9e4066Sahrens } 716fa9e4066Sahrens } 717fa9e4066Sahrens 71828e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "dmu_buf_impl", &data.id) == -1) { 719fa9e4066Sahrens mdb_warn("couldn't find struct dmu_buf_impl_t"); 720fa9e4066Sahrens return (DCMD_ERR); 721fa9e4066Sahrens } 722fa9e4066Sahrens 7235f5f7a6fSahrens if (mdb_walk("dmu_buf_impl_t", dbufs_cb, &data) != 0) { 724fa9e4066Sahrens mdb_warn("can't walk dbufs"); 725fa9e4066Sahrens return (DCMD_ERR); 726fa9e4066Sahrens } 727fa9e4066Sahrens 728fa9e4066Sahrens return (DCMD_OK); 729fa9e4066Sahrens } 730fa9e4066Sahrens 731fa9e4066Sahrens typedef struct abuf_find_data { 732fa9e4066Sahrens dva_t dva; 733fa9e4066Sahrens mdb_ctf_id_t id; 734fa9e4066Sahrens } abuf_find_data_t; 735fa9e4066Sahrens 736fa9e4066Sahrens /* ARGSUSED */ 737fa9e4066Sahrens static int 738fa9e4066Sahrens abuf_find_cb(uintptr_t addr, const void *unknown, void *arg) 739fa9e4066Sahrens { 740fa9e4066Sahrens abuf_find_data_t *data = arg; 741fa9e4066Sahrens dva_t dva; 742fa9e4066Sahrens 743fa9e4066Sahrens if (GETMEMBID(addr, &data->id, b_dva, dva)) { 744fa9e4066Sahrens return (WALK_ERR); 745fa9e4066Sahrens } 746fa9e4066Sahrens 747fa9e4066Sahrens if (dva.dva_word[0] == data->dva.dva_word[0] && 748fa9e4066Sahrens dva.dva_word[1] == data->dva.dva_word[1]) { 749fa9e4066Sahrens mdb_printf("%#lr\n", addr); 750fa9e4066Sahrens } 751fa9e4066Sahrens return (WALK_NEXT); 752fa9e4066Sahrens } 753fa9e4066Sahrens 754fa9e4066Sahrens /* ARGSUSED */ 755fa9e4066Sahrens static int 756fa9e4066Sahrens abuf_find(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 757fa9e4066Sahrens { 758fa9e4066Sahrens abuf_find_data_t data; 759fa9e4066Sahrens GElf_Sym sym; 760fa9e4066Sahrens int i; 761fa9e4066Sahrens const char *syms[] = { 762a2eea2e1Sahrens "ARC_mru", 763a2eea2e1Sahrens "ARC_mru_ghost", 764a2eea2e1Sahrens "ARC_mfu", 765a2eea2e1Sahrens "ARC_mfu_ghost", 766fa9e4066Sahrens }; 767fa9e4066Sahrens 768fa9e4066Sahrens if (argc != 2) 769fa9e4066Sahrens return (DCMD_USAGE); 770fa9e4066Sahrens 771fa9e4066Sahrens for (i = 0; i < 2; i ++) { 772fa9e4066Sahrens switch (argv[i].a_type) { 773fa9e4066Sahrens case MDB_TYPE_STRING: 774fa9e4066Sahrens data.dva.dva_word[i] = mdb_strtoull(argv[i].a_un.a_str); 775fa9e4066Sahrens break; 776fa9e4066Sahrens case MDB_TYPE_IMMEDIATE: 777fa9e4066Sahrens data.dva.dva_word[i] = argv[i].a_un.a_val; 778fa9e4066Sahrens break; 779fa9e4066Sahrens default: 780fa9e4066Sahrens return (DCMD_USAGE); 781fa9e4066Sahrens } 782fa9e4066Sahrens } 783fa9e4066Sahrens 78428e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "arc_buf_hdr", &data.id) == -1) { 785fa9e4066Sahrens mdb_warn("couldn't find struct arc_buf_hdr"); 786fa9e4066Sahrens return (DCMD_ERR); 787fa9e4066Sahrens } 788fa9e4066Sahrens 789fa9e4066Sahrens for (i = 0; i < sizeof (syms) / sizeof (syms[0]); i++) { 79022ce0148SMatthew Ahrens if (mdb_lookup_by_obj(ZFS_OBJ_NAME, syms[i], &sym)) { 791fa9e4066Sahrens mdb_warn("can't find symbol %s", syms[i]); 792fa9e4066Sahrens return (DCMD_ERR); 793fa9e4066Sahrens } 794fa9e4066Sahrens 795fa9e4066Sahrens if (mdb_pwalk("list", abuf_find_cb, &data, sym.st_value) != 0) { 796fa9e4066Sahrens mdb_warn("can't walk %s", syms[i]); 797fa9e4066Sahrens return (DCMD_ERR); 798fa9e4066Sahrens } 799fa9e4066Sahrens } 800fa9e4066Sahrens 801fa9e4066Sahrens return (DCMD_OK); 802fa9e4066Sahrens } 803fa9e4066Sahrens 80428e4da25SMatthew Ahrens 80528e4da25SMatthew Ahrens typedef struct dbgmsg_arg { 80628e4da25SMatthew Ahrens boolean_t da_verbose; 80728e4da25SMatthew Ahrens boolean_t da_address; 80828e4da25SMatthew Ahrens } dbgmsg_arg_t; 80928e4da25SMatthew Ahrens 81044cb6abcSbmc /* ARGSUSED */ 81144cb6abcSbmc static int 8123f9d6ad7SLin Ling dbgmsg_cb(uintptr_t addr, const void *unknown, void *arg) 8133f9d6ad7SLin Ling { 8143f9d6ad7SLin Ling static mdb_ctf_id_t id; 8153f9d6ad7SLin Ling static boolean_t gotid; 8163f9d6ad7SLin Ling static ulong_t off; 8173f9d6ad7SLin Ling 81828e4da25SMatthew Ahrens dbgmsg_arg_t *da = arg; 8193f9d6ad7SLin Ling time_t timestamp; 8203f9d6ad7SLin Ling char buf[1024]; 8213f9d6ad7SLin Ling 8223f9d6ad7SLin Ling if (!gotid) { 82328e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "zfs_dbgmsg", &id) == 82428e4da25SMatthew Ahrens -1) { 8253f9d6ad7SLin Ling mdb_warn("couldn't find struct zfs_dbgmsg"); 8263f9d6ad7SLin Ling return (WALK_ERR); 8273f9d6ad7SLin Ling } 8283f9d6ad7SLin Ling gotid = TRUE; 8293f9d6ad7SLin Ling if (mdb_ctf_offsetof(id, "zdm_msg", &off) == -1) { 8303f9d6ad7SLin Ling mdb_warn("couldn't find zdm_msg"); 8313f9d6ad7SLin Ling return (WALK_ERR); 8323f9d6ad7SLin Ling } 8333f9d6ad7SLin Ling off /= 8; 8343f9d6ad7SLin Ling } 8353f9d6ad7SLin Ling 8363f9d6ad7SLin Ling 8373f9d6ad7SLin Ling if (GETMEMBID(addr, &id, zdm_timestamp, timestamp)) { 8383f9d6ad7SLin Ling return (WALK_ERR); 8393f9d6ad7SLin Ling } 8403f9d6ad7SLin Ling 8413f9d6ad7SLin Ling if (mdb_readstr(buf, sizeof (buf), addr + off) == -1) { 8423f9d6ad7SLin Ling mdb_warn("failed to read zdm_msg at %p\n", addr + off); 8433f9d6ad7SLin Ling return (DCMD_ERR); 8443f9d6ad7SLin Ling } 8453f9d6ad7SLin Ling 84628e4da25SMatthew Ahrens if (da->da_address) 84728e4da25SMatthew Ahrens mdb_printf("%p ", addr); 84828e4da25SMatthew Ahrens if (da->da_verbose) 8493f9d6ad7SLin Ling mdb_printf("%Y ", timestamp); 8503f9d6ad7SLin Ling 8513f9d6ad7SLin Ling mdb_printf("%s\n", buf); 8523f9d6ad7SLin Ling 85328e4da25SMatthew Ahrens if (da->da_verbose) 8543f9d6ad7SLin Ling (void) mdb_call_dcmd("whatis", addr, DCMD_ADDRSPEC, 0, NULL); 8553f9d6ad7SLin Ling 8563f9d6ad7SLin Ling return (WALK_NEXT); 8573f9d6ad7SLin Ling } 8583f9d6ad7SLin Ling 8593f9d6ad7SLin Ling /* ARGSUSED */ 8603f9d6ad7SLin Ling static int 8613f9d6ad7SLin Ling dbgmsg(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 8623f9d6ad7SLin Ling { 8633f9d6ad7SLin Ling GElf_Sym sym; 86428e4da25SMatthew Ahrens dbgmsg_arg_t da = { 0 }; 8653f9d6ad7SLin Ling 8663f9d6ad7SLin Ling if (mdb_getopts(argc, argv, 86728e4da25SMatthew Ahrens 'v', MDB_OPT_SETBITS, B_TRUE, &da.da_verbose, 86828e4da25SMatthew Ahrens 'a', MDB_OPT_SETBITS, B_TRUE, &da.da_address, 8693f9d6ad7SLin Ling NULL) != argc) 8703f9d6ad7SLin Ling return (DCMD_USAGE); 8713f9d6ad7SLin Ling 8723b2aab18SMatthew Ahrens if (mdb_lookup_by_obj(ZFS_OBJ_NAME, "zfs_dbgmsgs", &sym)) { 8733f9d6ad7SLin Ling mdb_warn("can't find zfs_dbgmsgs"); 8743f9d6ad7SLin Ling return (DCMD_ERR); 8753f9d6ad7SLin Ling } 8763f9d6ad7SLin Ling 87728e4da25SMatthew Ahrens if (mdb_pwalk("list", dbgmsg_cb, &da, sym.st_value) != 0) { 8783f9d6ad7SLin Ling mdb_warn("can't walk zfs_dbgmsgs"); 8793f9d6ad7SLin Ling return (DCMD_ERR); 8803f9d6ad7SLin Ling } 8813f9d6ad7SLin Ling 8823f9d6ad7SLin Ling return (DCMD_OK); 8833f9d6ad7SLin Ling } 8843f9d6ad7SLin Ling 8853f9d6ad7SLin Ling /*ARGSUSED*/ 8863f9d6ad7SLin Ling static int 88744cb6abcSbmc arc_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 88844cb6abcSbmc { 88944cb6abcSbmc kstat_named_t *stats; 89044cb6abcSbmc GElf_Sym sym; 89191ebeef5Sahrens int nstats, i; 89244cb6abcSbmc uint_t opt_a = FALSE; 89391ebeef5Sahrens uint_t opt_b = FALSE; 89491ebeef5Sahrens uint_t shift = 0; 89591ebeef5Sahrens const char *suffix; 89644cb6abcSbmc 89791ebeef5Sahrens static const char *bytestats[] = { 8989253d63dSGeorge Wilson "p", "c", "c_min", "c_max", "size", "duplicate_buffers_size", 89920128a08SGeorge Wilson "arc_meta_used", "arc_meta_limit", "arc_meta_max", 9009253d63dSGeorge Wilson NULL 90191ebeef5Sahrens }; 90291ebeef5Sahrens 90391ebeef5Sahrens static const char *extras[] = { 90491ebeef5Sahrens "arc_no_grow", "arc_tempreserve", 90591ebeef5Sahrens NULL 90644cb6abcSbmc }; 90744cb6abcSbmc 90822ce0148SMatthew Ahrens if (mdb_lookup_by_obj(ZFS_OBJ_NAME, "arc_stats", &sym) == -1) { 90944cb6abcSbmc mdb_warn("failed to find 'arc_stats'"); 91044cb6abcSbmc return (DCMD_ERR); 91144cb6abcSbmc } 91244cb6abcSbmc 91344cb6abcSbmc stats = mdb_zalloc(sym.st_size, UM_SLEEP | UM_GC); 91444cb6abcSbmc 91544cb6abcSbmc if (mdb_vread(stats, sym.st_size, sym.st_value) == -1) { 91644cb6abcSbmc mdb_warn("couldn't read 'arc_stats' at %p", sym.st_value); 91744cb6abcSbmc return (DCMD_ERR); 91844cb6abcSbmc } 91944cb6abcSbmc 92044cb6abcSbmc nstats = sym.st_size / sizeof (kstat_named_t); 92144cb6abcSbmc 92291ebeef5Sahrens /* NB: -a / opt_a are ignored for backwards compatability */ 92391ebeef5Sahrens if (mdb_getopts(argc, argv, 92491ebeef5Sahrens 'a', MDB_OPT_SETBITS, TRUE, &opt_a, 92591ebeef5Sahrens 'b', MDB_OPT_SETBITS, TRUE, &opt_b, 92691ebeef5Sahrens 'k', MDB_OPT_SETBITS, 10, &shift, 92791ebeef5Sahrens 'm', MDB_OPT_SETBITS, 20, &shift, 92891ebeef5Sahrens 'g', MDB_OPT_SETBITS, 30, &shift, 92991ebeef5Sahrens NULL) != argc) 93044cb6abcSbmc return (DCMD_USAGE); 93144cb6abcSbmc 93291ebeef5Sahrens if (!opt_b && !shift) 93391ebeef5Sahrens shift = 20; 93444cb6abcSbmc 93591ebeef5Sahrens switch (shift) { 93691ebeef5Sahrens case 0: 93791ebeef5Sahrens suffix = "B"; 93891ebeef5Sahrens break; 93991ebeef5Sahrens case 10: 94091ebeef5Sahrens suffix = "KB"; 94191ebeef5Sahrens break; 94291ebeef5Sahrens case 20: 94391ebeef5Sahrens suffix = "MB"; 94491ebeef5Sahrens break; 94591ebeef5Sahrens case 30: 94691ebeef5Sahrens suffix = "GB"; 94791ebeef5Sahrens break; 94891ebeef5Sahrens default: 94991ebeef5Sahrens suffix = "XX"; 95091ebeef5Sahrens } 95191ebeef5Sahrens 95244cb6abcSbmc for (i = 0; i < nstats; i++) { 95391ebeef5Sahrens int j; 95491ebeef5Sahrens boolean_t bytes = B_FALSE; 95591ebeef5Sahrens 95691ebeef5Sahrens for (j = 0; bytestats[j]; j++) { 95791ebeef5Sahrens if (strcmp(stats[i].name, bytestats[j]) == 0) { 95891ebeef5Sahrens bytes = B_TRUE; 95991ebeef5Sahrens break; 96091ebeef5Sahrens } 96191ebeef5Sahrens } 96291ebeef5Sahrens 96391ebeef5Sahrens if (bytes) { 96491ebeef5Sahrens mdb_printf("%-25s = %9llu %s\n", stats[i].name, 96591ebeef5Sahrens stats[i].value.ui64 >> shift, suffix); 96691ebeef5Sahrens } else { 96791ebeef5Sahrens mdb_printf("%-25s = %9llu\n", stats[i].name, 96844cb6abcSbmc stats[i].value.ui64); 96944cb6abcSbmc } 97044cb6abcSbmc } 97144cb6abcSbmc 97291ebeef5Sahrens for (i = 0; extras[i]; i++) { 97344cb6abcSbmc uint64_t buf; 97444cb6abcSbmc 97522ce0148SMatthew Ahrens if (mdb_lookup_by_obj(ZFS_OBJ_NAME, extras[i], &sym) == -1) { 97691ebeef5Sahrens mdb_warn("failed to find '%s'", extras[i]); 97744cb6abcSbmc return (DCMD_ERR); 97844cb6abcSbmc } 97944cb6abcSbmc 98044cb6abcSbmc if (sym.st_size != sizeof (uint64_t) && 98144cb6abcSbmc sym.st_size != sizeof (uint32_t)) { 98291ebeef5Sahrens mdb_warn("expected scalar for variable '%s'\n", 98391ebeef5Sahrens extras[i]); 98444cb6abcSbmc return (DCMD_ERR); 98544cb6abcSbmc } 98644cb6abcSbmc 98744cb6abcSbmc if (mdb_vread(&buf, sym.st_size, sym.st_value) == -1) { 98891ebeef5Sahrens mdb_warn("couldn't read '%s'", extras[i]); 98944cb6abcSbmc return (DCMD_ERR); 99044cb6abcSbmc } 99144cb6abcSbmc 99291ebeef5Sahrens mdb_printf("%-25s = ", extras[i]); 99344cb6abcSbmc 99491ebeef5Sahrens /* NB: all the 64-bit extras happen to be byte counts */ 99544cb6abcSbmc if (sym.st_size == sizeof (uint64_t)) 99691ebeef5Sahrens mdb_printf("%9llu %s\n", buf >> shift, suffix); 99744cb6abcSbmc 99844cb6abcSbmc if (sym.st_size == sizeof (uint32_t)) 99991ebeef5Sahrens mdb_printf("%9d\n", *((uint32_t *)&buf)); 100044cb6abcSbmc } 100144cb6abcSbmc return (DCMD_OK); 100244cb6abcSbmc } 100344cb6abcSbmc 100422ce0148SMatthew Ahrens typedef struct mdb_spa_print { 100522ce0148SMatthew Ahrens pool_state_t spa_state; 100622ce0148SMatthew Ahrens char spa_name[MAXNAMELEN]; 100722ce0148SMatthew Ahrens } mdb_spa_print_t; 100822ce0148SMatthew Ahrens 1009fa9e4066Sahrens /* 1010fa9e4066Sahrens * ::spa 1011fa9e4066Sahrens * 1012fa9e4066Sahrens * -c Print configuration information as well 1013fa9e4066Sahrens * -v Print vdev state 1014fa9e4066Sahrens * -e Print vdev error stats 1015fa9e4066Sahrens * 1016fa9e4066Sahrens * Print a summarized spa_t. When given no arguments, prints out a table of all 1017fa9e4066Sahrens * active pools on the system. 1018fa9e4066Sahrens */ 1019fa9e4066Sahrens /* ARGSUSED */ 1020fa9e4066Sahrens static int 1021fa9e4066Sahrens spa_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1022fa9e4066Sahrens { 1023fa9e4066Sahrens const char *statetab[] = { "ACTIVE", "EXPORTED", "DESTROYED", 1024e14bb325SJeff Bonwick "SPARE", "L2CACHE", "UNINIT", "UNAVAIL", "POTENTIAL" }; 1025fa9e4066Sahrens const char *state; 1026fa9e4066Sahrens int config = FALSE; 1027fa9e4066Sahrens int vdevs = FALSE; 1028fa9e4066Sahrens int errors = FALSE; 1029fa9e4066Sahrens 1030fa9e4066Sahrens if (mdb_getopts(argc, argv, 1031fa9e4066Sahrens 'c', MDB_OPT_SETBITS, TRUE, &config, 1032fa9e4066Sahrens 'v', MDB_OPT_SETBITS, TRUE, &vdevs, 1033fa9e4066Sahrens 'e', MDB_OPT_SETBITS, TRUE, &errors, 1034fa9e4066Sahrens NULL) != argc) 1035fa9e4066Sahrens return (DCMD_USAGE); 1036fa9e4066Sahrens 1037fa9e4066Sahrens if (!(flags & DCMD_ADDRSPEC)) { 1038fa9e4066Sahrens if (mdb_walk_dcmd("spa", "spa", argc, argv) == -1) { 1039fa9e4066Sahrens mdb_warn("can't walk spa"); 1040fa9e4066Sahrens return (DCMD_ERR); 1041fa9e4066Sahrens } 1042fa9e4066Sahrens 1043fa9e4066Sahrens return (DCMD_OK); 1044fa9e4066Sahrens } 1045fa9e4066Sahrens 1046fa9e4066Sahrens if (flags & DCMD_PIPE_OUT) { 1047fa9e4066Sahrens mdb_printf("%#lr\n", addr); 1048fa9e4066Sahrens return (DCMD_OK); 1049fa9e4066Sahrens } 1050fa9e4066Sahrens 1051fa9e4066Sahrens if (DCMD_HDRSPEC(flags)) 1052fa9e4066Sahrens mdb_printf("%<u>%-?s %9s %-*s%</u>\n", "ADDR", "STATE", 1053fa9e4066Sahrens sizeof (uintptr_t) == 4 ? 60 : 52, "NAME"); 1054fa9e4066Sahrens 105522ce0148SMatthew Ahrens mdb_spa_print_t spa; 105622ce0148SMatthew Ahrens if (mdb_ctf_vread(&spa, "spa_t", "mdb_spa_print_t", addr, 0) == -1) 1057fa9e4066Sahrens return (DCMD_ERR); 1058fa9e4066Sahrens 1059fa9e4066Sahrens if (spa.spa_state < 0 || spa.spa_state > POOL_STATE_UNAVAIL) 1060ea8dc4b6Seschrock state = "UNKNOWN"; 1061fa9e4066Sahrens else 1062fa9e4066Sahrens state = statetab[spa.spa_state]; 1063fa9e4066Sahrens 1064e14bb325SJeff Bonwick mdb_printf("%0?p %9s %s\n", addr, state, spa.spa_name); 1065fa9e4066Sahrens 1066fa9e4066Sahrens if (config) { 1067fa9e4066Sahrens mdb_printf("\n"); 1068fa9e4066Sahrens mdb_inc_indent(4); 1069fa9e4066Sahrens if (mdb_call_dcmd("spa_config", addr, flags, 0, 1070fa9e4066Sahrens NULL) != DCMD_OK) 1071fa9e4066Sahrens return (DCMD_ERR); 1072fa9e4066Sahrens mdb_dec_indent(4); 1073fa9e4066Sahrens } 1074fa9e4066Sahrens 1075fa9e4066Sahrens if (vdevs || errors) { 1076fa9e4066Sahrens mdb_arg_t v; 1077fa9e4066Sahrens 1078fa9e4066Sahrens v.a_type = MDB_TYPE_STRING; 1079fa9e4066Sahrens v.a_un.a_str = "-e"; 1080fa9e4066Sahrens 1081fa9e4066Sahrens mdb_printf("\n"); 1082fa9e4066Sahrens mdb_inc_indent(4); 1083fa9e4066Sahrens if (mdb_call_dcmd("spa_vdevs", addr, flags, errors ? 1 : 0, 1084fa9e4066Sahrens &v) != DCMD_OK) 1085fa9e4066Sahrens return (DCMD_ERR); 1086fa9e4066Sahrens mdb_dec_indent(4); 1087fa9e4066Sahrens } 1088fa9e4066Sahrens 1089fa9e4066Sahrens return (DCMD_OK); 1090fa9e4066Sahrens } 1091fa9e4066Sahrens 109228e4da25SMatthew Ahrens typedef struct mdb_spa_config_spa { 1093d5ee8a13SMatthew Ahrens uintptr_t spa_config; 109428e4da25SMatthew Ahrens } mdb_spa_config_spa_t; 109528e4da25SMatthew Ahrens 1096fa9e4066Sahrens /* 1097fa9e4066Sahrens * ::spa_config 1098fa9e4066Sahrens * 1099fa9e4066Sahrens * Given a spa_t, print the configuration information stored in spa_config. 1100fa9e4066Sahrens * Since it's just an nvlist, format it as an indented list of name=value pairs. 1101fa9e4066Sahrens * We simply read the value of spa_config and pass off to ::nvlist. 1102fa9e4066Sahrens */ 1103fa9e4066Sahrens /* ARGSUSED */ 1104fa9e4066Sahrens static int 1105fa9e4066Sahrens spa_print_config(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1106fa9e4066Sahrens { 110728e4da25SMatthew Ahrens mdb_spa_config_spa_t spa; 1108fa9e4066Sahrens 1109fa9e4066Sahrens if (argc != 0 || !(flags & DCMD_ADDRSPEC)) 1110fa9e4066Sahrens return (DCMD_USAGE); 1111fa9e4066Sahrens 111228e4da25SMatthew Ahrens if (mdb_ctf_vread(&spa, ZFS_STRUCT "spa", "mdb_spa_config_spa_t", 111328e4da25SMatthew Ahrens addr, 0) == -1) 1114fa9e4066Sahrens return (DCMD_ERR); 1115fa9e4066Sahrens 1116d5ee8a13SMatthew Ahrens if (spa.spa_config == 0) { 1117fa9e4066Sahrens mdb_printf("(none)\n"); 1118fa9e4066Sahrens return (DCMD_OK); 1119fa9e4066Sahrens } 1120fa9e4066Sahrens 1121d5ee8a13SMatthew Ahrens return (mdb_call_dcmd("nvlist", spa.spa_config, flags, 1122fa9e4066Sahrens 0, NULL)); 1123fa9e4066Sahrens } 1124fa9e4066Sahrens 1125fa9e4066Sahrens /* 1126fa9e4066Sahrens * ::vdev 1127fa9e4066Sahrens * 1128fa9e4066Sahrens * Print out a summarized vdev_t, in the following form: 1129fa9e4066Sahrens * 1130fa9e4066Sahrens * ADDR STATE AUX DESC 1131fa9e4066Sahrens * fffffffbcde23df0 HEALTHY - /dev/dsk/c0t0d0 1132fa9e4066Sahrens * 1133fa9e4066Sahrens * If '-r' is specified, recursively visit all children. 1134fa9e4066Sahrens * 1135fa9e4066Sahrens * With '-e', the statistics associated with the vdev are printed as well. 1136fa9e4066Sahrens */ 1137fa9e4066Sahrens static int 1138614409b5Sahrens do_print_vdev(uintptr_t addr, int flags, int depth, int stats, 1139fa9e4066Sahrens int recursive) 1140fa9e4066Sahrens { 1141fa9e4066Sahrens vdev_t vdev; 1142fa9e4066Sahrens char desc[MAXNAMELEN]; 1143fa9e4066Sahrens int c, children; 1144fa9e4066Sahrens uintptr_t *child; 1145fa9e4066Sahrens const char *state, *aux; 1146fa9e4066Sahrens 1147fa9e4066Sahrens if (mdb_vread(&vdev, sizeof (vdev), (uintptr_t)addr) == -1) { 1148fa9e4066Sahrens mdb_warn("failed to read vdev_t at %p\n", (uintptr_t)addr); 1149fa9e4066Sahrens return (DCMD_ERR); 1150fa9e4066Sahrens } 1151fa9e4066Sahrens 1152fa9e4066Sahrens if (flags & DCMD_PIPE_OUT) { 1153b4952e17SGeorge Wilson mdb_printf("%#lr\n", addr); 1154fa9e4066Sahrens } else { 1155fa9e4066Sahrens if (vdev.vdev_path != NULL) { 1156fa9e4066Sahrens if (mdb_readstr(desc, sizeof (desc), 1157fa9e4066Sahrens (uintptr_t)vdev.vdev_path) == -1) { 1158fa9e4066Sahrens mdb_warn("failed to read vdev_path at %p\n", 1159fa9e4066Sahrens vdev.vdev_path); 1160fa9e4066Sahrens return (DCMD_ERR); 1161fa9e4066Sahrens } 1162fa9e4066Sahrens } else if (vdev.vdev_ops != NULL) { 1163fa9e4066Sahrens vdev_ops_t ops; 1164fa9e4066Sahrens if (mdb_vread(&ops, sizeof (ops), 1165fa9e4066Sahrens (uintptr_t)vdev.vdev_ops) == -1) { 1166fa9e4066Sahrens mdb_warn("failed to read vdev_ops at %p\n", 1167fa9e4066Sahrens vdev.vdev_ops); 1168fa9e4066Sahrens return (DCMD_ERR); 1169fa9e4066Sahrens } 1170fa9e4066Sahrens (void) strcpy(desc, ops.vdev_op_type); 1171fa9e4066Sahrens } else { 1172fa9e4066Sahrens (void) strcpy(desc, "<unknown>"); 1173fa9e4066Sahrens } 1174fa9e4066Sahrens 1175fa9e4066Sahrens if (depth == 0 && DCMD_HDRSPEC(flags)) 1176fa9e4066Sahrens mdb_printf("%<u>%-?s %-9s %-12s %-*s%</u>\n", 1177fa9e4066Sahrens "ADDR", "STATE", "AUX", 1178fa9e4066Sahrens sizeof (uintptr_t) == 4 ? 43 : 35, 1179fa9e4066Sahrens "DESCRIPTION"); 1180fa9e4066Sahrens 1181fa9e4066Sahrens mdb_printf("%0?p ", addr); 1182fa9e4066Sahrens 1183fa9e4066Sahrens switch (vdev.vdev_state) { 1184fa9e4066Sahrens case VDEV_STATE_CLOSED: 1185fa9e4066Sahrens state = "CLOSED"; 1186fa9e4066Sahrens break; 1187fa9e4066Sahrens case VDEV_STATE_OFFLINE: 1188fa9e4066Sahrens state = "OFFLINE"; 1189fa9e4066Sahrens break; 1190fa9e4066Sahrens case VDEV_STATE_CANT_OPEN: 1191fa9e4066Sahrens state = "CANT_OPEN"; 1192fa9e4066Sahrens break; 1193fa9e4066Sahrens case VDEV_STATE_DEGRADED: 1194fa9e4066Sahrens state = "DEGRADED"; 1195fa9e4066Sahrens break; 1196fa9e4066Sahrens case VDEV_STATE_HEALTHY: 1197fa9e4066Sahrens state = "HEALTHY"; 1198fa9e4066Sahrens break; 11993d7072f8Seschrock case VDEV_STATE_REMOVED: 12003d7072f8Seschrock state = "REMOVED"; 12013d7072f8Seschrock break; 12023d7072f8Seschrock case VDEV_STATE_FAULTED: 12033d7072f8Seschrock state = "FAULTED"; 12043d7072f8Seschrock break; 1205fa9e4066Sahrens default: 1206fa9e4066Sahrens state = "UNKNOWN"; 1207fa9e4066Sahrens break; 1208fa9e4066Sahrens } 1209fa9e4066Sahrens 1210fa9e4066Sahrens switch (vdev.vdev_stat.vs_aux) { 1211fa9e4066Sahrens case VDEV_AUX_NONE: 1212fa9e4066Sahrens aux = "-"; 1213fa9e4066Sahrens break; 1214fa9e4066Sahrens case VDEV_AUX_OPEN_FAILED: 1215fa9e4066Sahrens aux = "OPEN_FAILED"; 1216fa9e4066Sahrens break; 1217fa9e4066Sahrens case VDEV_AUX_CORRUPT_DATA: 1218fa9e4066Sahrens aux = "CORRUPT_DATA"; 1219fa9e4066Sahrens break; 1220fa9e4066Sahrens case VDEV_AUX_NO_REPLICAS: 1221fa9e4066Sahrens aux = "NO_REPLICAS"; 1222fa9e4066Sahrens break; 1223fa9e4066Sahrens case VDEV_AUX_BAD_GUID_SUM: 1224fa9e4066Sahrens aux = "BAD_GUID_SUM"; 1225fa9e4066Sahrens break; 1226fa9e4066Sahrens case VDEV_AUX_TOO_SMALL: 1227fa9e4066Sahrens aux = "TOO_SMALL"; 1228fa9e4066Sahrens break; 1229fa9e4066Sahrens case VDEV_AUX_BAD_LABEL: 1230fa9e4066Sahrens aux = "BAD_LABEL"; 1231fa9e4066Sahrens break; 1232b87f3af3Sperrin case VDEV_AUX_VERSION_NEWER: 1233b87f3af3Sperrin aux = "VERS_NEWER"; 1234b87f3af3Sperrin break; 1235b87f3af3Sperrin case VDEV_AUX_VERSION_OLDER: 1236b87f3af3Sperrin aux = "VERS_OLDER"; 1237b87f3af3Sperrin break; 1238ad135b5dSChristopher Siden case VDEV_AUX_UNSUP_FEAT: 1239ad135b5dSChristopher Siden aux = "UNSUP_FEAT"; 1240ad135b5dSChristopher Siden break; 1241b87f3af3Sperrin case VDEV_AUX_SPARED: 1242b87f3af3Sperrin aux = "SPARED"; 1243b87f3af3Sperrin break; 1244b87f3af3Sperrin case VDEV_AUX_ERR_EXCEEDED: 1245b87f3af3Sperrin aux = "ERR_EXCEEDED"; 1246b87f3af3Sperrin break; 1247b87f3af3Sperrin case VDEV_AUX_IO_FAILURE: 1248b87f3af3Sperrin aux = "IO_FAILURE"; 1249b87f3af3Sperrin break; 1250b87f3af3Sperrin case VDEV_AUX_BAD_LOG: 1251b87f3af3Sperrin aux = "BAD_LOG"; 1252b87f3af3Sperrin break; 12531195e687SMark J Musante case VDEV_AUX_EXTERNAL: 12541195e687SMark J Musante aux = "EXTERNAL"; 12551195e687SMark J Musante break; 12561195e687SMark J Musante case VDEV_AUX_SPLIT_POOL: 12571195e687SMark J Musante aux = "SPLIT_POOL"; 12581195e687SMark J Musante break; 1259fa9e4066Sahrens default: 1260fa9e4066Sahrens aux = "UNKNOWN"; 1261fa9e4066Sahrens break; 1262fa9e4066Sahrens } 1263fa9e4066Sahrens 1264fa9e4066Sahrens mdb_printf("%-9s %-12s %*s%s\n", state, aux, depth, "", desc); 1265fa9e4066Sahrens 1266fa9e4066Sahrens if (stats) { 1267fa9e4066Sahrens vdev_stat_t *vs = &vdev.vdev_stat; 1268fa9e4066Sahrens int i; 1269fa9e4066Sahrens 1270fa9e4066Sahrens mdb_inc_indent(4); 1271fa9e4066Sahrens mdb_printf("\n"); 1272fa9e4066Sahrens mdb_printf("%<u> %12s %12s %12s %12s " 1273fa9e4066Sahrens "%12s%</u>\n", "READ", "WRITE", "FREE", "CLAIM", 1274fa9e4066Sahrens "IOCTL"); 1275fa9e4066Sahrens mdb_printf("OPS "); 1276fa9e4066Sahrens for (i = 1; i < ZIO_TYPES; i++) 1277fa9e4066Sahrens mdb_printf("%11#llx%s", vs->vs_ops[i], 1278fa9e4066Sahrens i == ZIO_TYPES - 1 ? "" : " "); 1279fa9e4066Sahrens mdb_printf("\n"); 1280fa9e4066Sahrens mdb_printf("BYTES "); 1281fa9e4066Sahrens for (i = 1; i < ZIO_TYPES; i++) 1282fa9e4066Sahrens mdb_printf("%11#llx%s", vs->vs_bytes[i], 1283fa9e4066Sahrens i == ZIO_TYPES - 1 ? "" : " "); 1284fa9e4066Sahrens 1285fa9e4066Sahrens 1286fa9e4066Sahrens mdb_printf("\n"); 1287fa9e4066Sahrens mdb_printf("EREAD %10#llx\n", vs->vs_read_errors); 1288fa9e4066Sahrens mdb_printf("EWRITE %10#llx\n", vs->vs_write_errors); 1289fa9e4066Sahrens mdb_printf("ECKSUM %10#llx\n", 1290fa9e4066Sahrens vs->vs_checksum_errors); 1291fa9e4066Sahrens mdb_dec_indent(4); 1292fa9e4066Sahrens } 1293fa9e4066Sahrens 1294614409b5Sahrens if (stats) 1295fa9e4066Sahrens mdb_printf("\n"); 1296fa9e4066Sahrens } 1297fa9e4066Sahrens 1298fa9e4066Sahrens children = vdev.vdev_children; 1299fa9e4066Sahrens 1300fa9e4066Sahrens if (children == 0 || !recursive) 1301fa9e4066Sahrens return (DCMD_OK); 1302fa9e4066Sahrens 1303fa9e4066Sahrens child = mdb_alloc(children * sizeof (void *), UM_SLEEP | UM_GC); 1304fa9e4066Sahrens if (mdb_vread(child, children * sizeof (void *), 1305fa9e4066Sahrens (uintptr_t)vdev.vdev_child) == -1) { 1306fa9e4066Sahrens mdb_warn("failed to read vdev children at %p", vdev.vdev_child); 1307fa9e4066Sahrens return (DCMD_ERR); 1308fa9e4066Sahrens } 1309fa9e4066Sahrens 1310fa9e4066Sahrens for (c = 0; c < children; c++) { 1311614409b5Sahrens if (do_print_vdev(child[c], flags, depth + 2, stats, 1312fa9e4066Sahrens recursive)) 1313fa9e4066Sahrens return (DCMD_ERR); 1314fa9e4066Sahrens } 1315fa9e4066Sahrens 1316fa9e4066Sahrens return (DCMD_OK); 1317fa9e4066Sahrens } 1318fa9e4066Sahrens 1319fa9e4066Sahrens static int 1320fa9e4066Sahrens vdev_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1321fa9e4066Sahrens { 1322fa9e4066Sahrens int recursive = FALSE; 1323fa9e4066Sahrens int stats = FALSE; 1324c5904d13Seschrock uint64_t depth = 0; 1325fa9e4066Sahrens 1326fa9e4066Sahrens if (mdb_getopts(argc, argv, 1327fa9e4066Sahrens 'r', MDB_OPT_SETBITS, TRUE, &recursive, 1328fa9e4066Sahrens 'e', MDB_OPT_SETBITS, TRUE, &stats, 1329c5904d13Seschrock 'd', MDB_OPT_UINT64, &depth, 1330fa9e4066Sahrens NULL) != argc) 1331fa9e4066Sahrens return (DCMD_USAGE); 1332fa9e4066Sahrens 1333fa9e4066Sahrens if (!(flags & DCMD_ADDRSPEC)) { 1334fa9e4066Sahrens mdb_warn("no vdev_t address given\n"); 1335fa9e4066Sahrens return (DCMD_ERR); 1336fa9e4066Sahrens } 1337fa9e4066Sahrens 1338c5904d13Seschrock return (do_print_vdev(addr, flags, (int)depth, stats, recursive)); 1339fa9e4066Sahrens } 1340fa9e4066Sahrens 13415f5f7a6fSahrens typedef struct metaslab_walk_data { 13425f5f7a6fSahrens uint64_t mw_numvdevs; 13435f5f7a6fSahrens uintptr_t *mw_vdevs; 13445f5f7a6fSahrens int mw_curvdev; 13455f5f7a6fSahrens uint64_t mw_nummss; 13465f5f7a6fSahrens uintptr_t *mw_mss; 13475f5f7a6fSahrens int mw_curms; 13485f5f7a6fSahrens } metaslab_walk_data_t; 13495f5f7a6fSahrens 13505f5f7a6fSahrens static int 13515f5f7a6fSahrens metaslab_walk_step(mdb_walk_state_t *wsp) 13525f5f7a6fSahrens { 13535f5f7a6fSahrens metaslab_walk_data_t *mw = wsp->walk_data; 13545f5f7a6fSahrens metaslab_t ms; 13555f5f7a6fSahrens uintptr_t msp; 13565f5f7a6fSahrens 13575f5f7a6fSahrens if (mw->mw_curvdev >= mw->mw_numvdevs) 13585f5f7a6fSahrens return (WALK_DONE); 13595f5f7a6fSahrens 13605f5f7a6fSahrens if (mw->mw_mss == NULL) { 13615f5f7a6fSahrens uintptr_t mssp; 13625f5f7a6fSahrens uintptr_t vdevp; 13635f5f7a6fSahrens 13645f5f7a6fSahrens ASSERT(mw->mw_curms == 0); 13655f5f7a6fSahrens ASSERT(mw->mw_nummss == 0); 13665f5f7a6fSahrens 13675f5f7a6fSahrens vdevp = mw->mw_vdevs[mw->mw_curvdev]; 136828e4da25SMatthew Ahrens if (GETMEMB(vdevp, "vdev", vdev_ms, mssp) || 136928e4da25SMatthew Ahrens GETMEMB(vdevp, "vdev", vdev_ms_count, mw->mw_nummss)) { 13705f5f7a6fSahrens return (WALK_ERR); 13715f5f7a6fSahrens } 13725f5f7a6fSahrens 13735f5f7a6fSahrens mw->mw_mss = mdb_alloc(mw->mw_nummss * sizeof (void*), 13745f5f7a6fSahrens UM_SLEEP | UM_GC); 13755f5f7a6fSahrens if (mdb_vread(mw->mw_mss, mw->mw_nummss * sizeof (void*), 13765f5f7a6fSahrens mssp) == -1) { 13775f5f7a6fSahrens mdb_warn("failed to read vdev_ms at %p", mssp); 13785f5f7a6fSahrens return (WALK_ERR); 13795f5f7a6fSahrens } 13805f5f7a6fSahrens } 13815f5f7a6fSahrens 13825f5f7a6fSahrens if (mw->mw_curms >= mw->mw_nummss) { 13835f5f7a6fSahrens mw->mw_mss = NULL; 13845f5f7a6fSahrens mw->mw_curms = 0; 13855f5f7a6fSahrens mw->mw_nummss = 0; 13865f5f7a6fSahrens mw->mw_curvdev++; 13875f5f7a6fSahrens return (WALK_NEXT); 13885f5f7a6fSahrens } 13895f5f7a6fSahrens 13905f5f7a6fSahrens msp = mw->mw_mss[mw->mw_curms]; 13915f5f7a6fSahrens if (mdb_vread(&ms, sizeof (metaslab_t), msp) == -1) { 13925f5f7a6fSahrens mdb_warn("failed to read metaslab_t at %p", msp); 13935f5f7a6fSahrens return (WALK_ERR); 13945f5f7a6fSahrens } 13955f5f7a6fSahrens 13965f5f7a6fSahrens mw->mw_curms++; 13975f5f7a6fSahrens 13985f5f7a6fSahrens return (wsp->walk_callback(msp, &ms, wsp->walk_cbdata)); 13995f5f7a6fSahrens } 14005f5f7a6fSahrens 14015f5f7a6fSahrens /* ARGSUSED */ 14025f5f7a6fSahrens static int 14035f5f7a6fSahrens metaslab_walk_init(mdb_walk_state_t *wsp) 14045f5f7a6fSahrens { 14055f5f7a6fSahrens metaslab_walk_data_t *mw; 14065f5f7a6fSahrens uintptr_t root_vdevp; 14075f5f7a6fSahrens uintptr_t childp; 14085f5f7a6fSahrens 14095f5f7a6fSahrens if (wsp->walk_addr == NULL) { 14105f5f7a6fSahrens mdb_warn("must supply address of spa_t\n"); 14115f5f7a6fSahrens return (WALK_ERR); 14125f5f7a6fSahrens } 14135f5f7a6fSahrens 14145f5f7a6fSahrens mw = mdb_zalloc(sizeof (metaslab_walk_data_t), UM_SLEEP | UM_GC); 14155f5f7a6fSahrens 141628e4da25SMatthew Ahrens if (GETMEMB(wsp->walk_addr, "spa", spa_root_vdev, root_vdevp) || 141728e4da25SMatthew Ahrens GETMEMB(root_vdevp, "vdev", vdev_children, mw->mw_numvdevs) || 141828e4da25SMatthew Ahrens GETMEMB(root_vdevp, "vdev", vdev_child, childp)) { 14195f5f7a6fSahrens return (DCMD_ERR); 14205f5f7a6fSahrens } 14215f5f7a6fSahrens 14225f5f7a6fSahrens mw->mw_vdevs = mdb_alloc(mw->mw_numvdevs * sizeof (void *), 14235f5f7a6fSahrens UM_SLEEP | UM_GC); 14245f5f7a6fSahrens if (mdb_vread(mw->mw_vdevs, mw->mw_numvdevs * sizeof (void *), 14255f5f7a6fSahrens childp) == -1) { 14265f5f7a6fSahrens mdb_warn("failed to read root vdev children at %p", childp); 14275f5f7a6fSahrens return (DCMD_ERR); 14285f5f7a6fSahrens } 14295f5f7a6fSahrens 14305f5f7a6fSahrens wsp->walk_data = mw; 14315f5f7a6fSahrens 14325f5f7a6fSahrens return (WALK_NEXT); 14335f5f7a6fSahrens } 14345f5f7a6fSahrens 1435fa9e4066Sahrens typedef struct mdb_spa { 1436fa9e4066Sahrens uintptr_t spa_dsl_pool; 1437fa9e4066Sahrens uintptr_t spa_root_vdev; 1438fa9e4066Sahrens } mdb_spa_t; 1439fa9e4066Sahrens 1440fa9e4066Sahrens typedef struct mdb_dsl_dir { 1441fa9e4066Sahrens uintptr_t dd_phys; 1442fa9e4066Sahrens int64_t dd_space_towrite[TXG_SIZE]; 1443fa9e4066Sahrens } mdb_dsl_dir_t; 1444fa9e4066Sahrens 1445fa9e4066Sahrens typedef struct mdb_dsl_dir_phys { 1446fa9e4066Sahrens uint64_t dd_used_bytes; 1447fa9e4066Sahrens uint64_t dd_compressed_bytes; 1448fa9e4066Sahrens uint64_t dd_uncompressed_bytes; 1449fa9e4066Sahrens } mdb_dsl_dir_phys_t; 1450fa9e4066Sahrens 1451fa9e4066Sahrens typedef struct mdb_vdev { 1452fa9e4066Sahrens uintptr_t vdev_parent; 1453fa9e4066Sahrens uintptr_t vdev_ms; 1454fa9e4066Sahrens uint64_t vdev_ms_count; 1455fa9e4066Sahrens vdev_stat_t vdev_stat; 1456fa9e4066Sahrens } mdb_vdev_t; 1457fa9e4066Sahrens 1458*0713e232SGeorge Wilson typedef struct mdb_space_map_phys_t { 1459*0713e232SGeorge Wilson uint64_t smp_alloc; 1460*0713e232SGeorge Wilson } mdb_space_map_phys_t; 1461*0713e232SGeorge Wilson 1462*0713e232SGeorge Wilson typedef struct mdb_space_map { 1463*0713e232SGeorge Wilson uint64_t sm_size; 1464*0713e232SGeorge Wilson uint64_t sm_alloc; 1465*0713e232SGeorge Wilson uintptr_t sm_phys; 1466*0713e232SGeorge Wilson } mdb_space_map_t; 1467*0713e232SGeorge Wilson 1468*0713e232SGeorge Wilson typedef struct mdb_range_tree { 1469*0713e232SGeorge Wilson uint64_t rt_space; 1470*0713e232SGeorge Wilson } mdb_range_tree_t; 1471*0713e232SGeorge Wilson 1472fa9e4066Sahrens typedef struct mdb_metaslab { 1473*0713e232SGeorge Wilson uintptr_t ms_alloctree[TXG_SIZE]; 1474*0713e232SGeorge Wilson uintptr_t ms_freetree[TXG_SIZE]; 1475*0713e232SGeorge Wilson uintptr_t ms_tree; 1476*0713e232SGeorge Wilson uintptr_t ms_sm; 1477fa9e4066Sahrens } mdb_metaslab_t; 1478fa9e4066Sahrens 14795f5f7a6fSahrens typedef struct space_data { 1480*0713e232SGeorge Wilson uint64_t ms_alloctree[TXG_SIZE]; 1481*0713e232SGeorge Wilson uint64_t ms_freetree[TXG_SIZE]; 1482*0713e232SGeorge Wilson uint64_t ms_tree; 14835f5f7a6fSahrens uint64_t avail; 14845f5f7a6fSahrens uint64_t nowavail; 14855f5f7a6fSahrens } space_data_t; 14865f5f7a6fSahrens 14875f5f7a6fSahrens /* ARGSUSED */ 14885f5f7a6fSahrens static int 14895f5f7a6fSahrens space_cb(uintptr_t addr, const void *unknown, void *arg) 14905f5f7a6fSahrens { 14915f5f7a6fSahrens space_data_t *sd = arg; 14925f5f7a6fSahrens mdb_metaslab_t ms; 1493*0713e232SGeorge Wilson mdb_range_tree_t rt; 1494*0713e232SGeorge Wilson mdb_space_map_t sm; 1495*0713e232SGeorge Wilson mdb_space_map_phys_t smp = { 0 }; 1496*0713e232SGeorge Wilson int i; 14975f5f7a6fSahrens 1498*0713e232SGeorge Wilson if (mdb_ctf_vread(&ms, "metaslab_t", "mdb_metaslab_t", 1499*0713e232SGeorge Wilson addr, 0) == -1) 15005f5f7a6fSahrens return (WALK_ERR); 1501*0713e232SGeorge Wilson 1502*0713e232SGeorge Wilson for (i = 0; i < TXG_SIZE; i++) { 1503*0713e232SGeorge Wilson 1504*0713e232SGeorge Wilson if (mdb_ctf_vread(&rt, "range_tree_t", 1505*0713e232SGeorge Wilson "mdb_range_tree_t", ms.ms_alloctree[i], 0) == -1) 1506*0713e232SGeorge Wilson sd->ms_alloctree[i] += rt.rt_space; 1507*0713e232SGeorge Wilson 1508*0713e232SGeorge Wilson if (mdb_ctf_vread(&rt, "range_tree_t", 1509*0713e232SGeorge Wilson "mdb_range_tree_t", ms.ms_freetree[i], 0) == -1) 1510*0713e232SGeorge Wilson sd->ms_freetree[i] += rt.rt_space; 15115f5f7a6fSahrens } 15125f5f7a6fSahrens 1513*0713e232SGeorge Wilson if (mdb_ctf_vread(&rt, "range_tree_t", 1514*0713e232SGeorge Wilson "mdb_range_tree_t", ms.ms_tree, 0) == -1 || 1515*0713e232SGeorge Wilson mdb_ctf_vread(&sm, "space_map_t", 1516*0713e232SGeorge Wilson "mdb_space_map_t", ms.ms_sm, 0) == -1) 1517*0713e232SGeorge Wilson return (WALK_ERR); 1518*0713e232SGeorge Wilson 1519*0713e232SGeorge Wilson if (sm.sm_phys != NULL) { 1520*0713e232SGeorge Wilson (void) mdb_ctf_vread(&smp, "space_map_phys_t", 1521*0713e232SGeorge Wilson "mdb_space_map_phys_t", sm.sm_phys, 0); 1522*0713e232SGeorge Wilson } 1523*0713e232SGeorge Wilson 1524*0713e232SGeorge Wilson sd->ms_tree += rt.rt_space; 1525*0713e232SGeorge Wilson sd->avail += sm.sm_size - sm.sm_alloc; 1526*0713e232SGeorge Wilson sd->nowavail += sm.sm_size - smp.smp_alloc; 15275f5f7a6fSahrens 15285f5f7a6fSahrens return (WALK_NEXT); 15295f5f7a6fSahrens } 15305f5f7a6fSahrens 1531fa9e4066Sahrens /* 1532fa9e4066Sahrens * ::spa_space [-b] 1533fa9e4066Sahrens * 1534fa9e4066Sahrens * Given a spa_t, print out it's on-disk space usage and in-core 1535fa9e4066Sahrens * estimates of future usage. If -b is given, print space in bytes. 1536fa9e4066Sahrens * Otherwise print in megabytes. 1537fa9e4066Sahrens */ 1538fa9e4066Sahrens /* ARGSUSED */ 1539fa9e4066Sahrens static int 1540fa9e4066Sahrens spa_space(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1541fa9e4066Sahrens { 1542fa9e4066Sahrens mdb_spa_t spa; 1543fa9e4066Sahrens uintptr_t dp_root_dir; 1544fa9e4066Sahrens mdb_dsl_dir_t dd; 1545fa9e4066Sahrens mdb_dsl_dir_phys_t dsp; 1546fa9e4066Sahrens uint64_t children; 1547fa9e4066Sahrens uintptr_t childaddr; 15485f5f7a6fSahrens space_data_t sd; 1549fa9e4066Sahrens int shift = 20; 1550fa9e4066Sahrens char *suffix = "M"; 155128e4da25SMatthew Ahrens int bytes = B_FALSE; 1552fa9e4066Sahrens 155328e4da25SMatthew Ahrens if (mdb_getopts(argc, argv, 'b', MDB_OPT_SETBITS, TRUE, &bytes, NULL) != 1554fa9e4066Sahrens argc) 1555fa9e4066Sahrens return (DCMD_USAGE); 1556fa9e4066Sahrens if (!(flags & DCMD_ADDRSPEC)) 1557fa9e4066Sahrens return (DCMD_USAGE); 1558fa9e4066Sahrens 155928e4da25SMatthew Ahrens if (bytes) { 1560fa9e4066Sahrens shift = 0; 1561fa9e4066Sahrens suffix = ""; 1562fa9e4066Sahrens } 1563fa9e4066Sahrens 156428e4da25SMatthew Ahrens if (GETMEMB(addr, "spa", spa_dsl_pool, spa.spa_dsl_pool) || 156528e4da25SMatthew Ahrens GETMEMB(addr, "spa", spa_root_vdev, spa.spa_root_vdev) || 156628e4da25SMatthew Ahrens GETMEMB(spa.spa_root_vdev, "vdev", vdev_children, children) || 156728e4da25SMatthew Ahrens GETMEMB(spa.spa_root_vdev, "vdev", vdev_child, childaddr) || 156828e4da25SMatthew Ahrens GETMEMB(spa.spa_dsl_pool, "dsl_pool", 1569fa9e4066Sahrens dp_root_dir, dp_root_dir) || 157028e4da25SMatthew Ahrens GETMEMB(dp_root_dir, "dsl_dir", dd_phys, dd.dd_phys) || 157128e4da25SMatthew Ahrens GETMEMB(dp_root_dir, "dsl_dir", 1572fa9e4066Sahrens dd_space_towrite, dd.dd_space_towrite) || 157328e4da25SMatthew Ahrens GETMEMB(dd.dd_phys, "dsl_dir_phys", 15745f5f7a6fSahrens dd_used_bytes, dsp.dd_used_bytes) || 157528e4da25SMatthew Ahrens GETMEMB(dd.dd_phys, "dsl_dir_phys", 1576fa9e4066Sahrens dd_compressed_bytes, dsp.dd_compressed_bytes) || 157728e4da25SMatthew Ahrens GETMEMB(dd.dd_phys, "dsl_dir_phys", 1578fa9e4066Sahrens dd_uncompressed_bytes, dsp.dd_uncompressed_bytes)) { 1579fa9e4066Sahrens return (DCMD_ERR); 1580fa9e4066Sahrens } 1581fa9e4066Sahrens 1582fa9e4066Sahrens mdb_printf("dd_space_towrite = %llu%s %llu%s %llu%s %llu%s\n", 1583fa9e4066Sahrens dd.dd_space_towrite[0] >> shift, suffix, 1584fa9e4066Sahrens dd.dd_space_towrite[1] >> shift, suffix, 1585fa9e4066Sahrens dd.dd_space_towrite[2] >> shift, suffix, 1586fa9e4066Sahrens dd.dd_space_towrite[3] >> shift, suffix); 1587fa9e4066Sahrens 1588fa9e4066Sahrens mdb_printf("dd_phys.dd_used_bytes = %llu%s\n", 1589fa9e4066Sahrens dsp.dd_used_bytes >> shift, suffix); 1590fa9e4066Sahrens mdb_printf("dd_phys.dd_compressed_bytes = %llu%s\n", 1591fa9e4066Sahrens dsp.dd_compressed_bytes >> shift, suffix); 1592fa9e4066Sahrens mdb_printf("dd_phys.dd_uncompressed_bytes = %llu%s\n", 1593fa9e4066Sahrens dsp.dd_uncompressed_bytes >> shift, suffix); 1594fa9e4066Sahrens 15955f5f7a6fSahrens bzero(&sd, sizeof (sd)); 15965f5f7a6fSahrens if (mdb_pwalk("metaslab", space_cb, &sd, addr) != 0) { 15975f5f7a6fSahrens mdb_warn("can't walk metaslabs"); 1598fa9e4066Sahrens return (DCMD_ERR); 1599fa9e4066Sahrens } 1600fa9e4066Sahrens 1601fa9e4066Sahrens mdb_printf("ms_allocmap = %llu%s %llu%s %llu%s %llu%s\n", 1602*0713e232SGeorge Wilson sd.ms_alloctree[0] >> shift, suffix, 1603*0713e232SGeorge Wilson sd.ms_alloctree[1] >> shift, suffix, 1604*0713e232SGeorge Wilson sd.ms_alloctree[2] >> shift, suffix, 1605*0713e232SGeorge Wilson sd.ms_alloctree[3] >> shift, suffix); 1606fa9e4066Sahrens mdb_printf("ms_freemap = %llu%s %llu%s %llu%s %llu%s\n", 1607*0713e232SGeorge Wilson sd.ms_freetree[0] >> shift, suffix, 1608*0713e232SGeorge Wilson sd.ms_freetree[1] >> shift, suffix, 1609*0713e232SGeorge Wilson sd.ms_freetree[2] >> shift, suffix, 1610*0713e232SGeorge Wilson sd.ms_freetree[3] >> shift, suffix); 1611*0713e232SGeorge Wilson mdb_printf("ms_tree = %llu%s\n", sd.ms_tree >> shift, suffix); 16125f5f7a6fSahrens mdb_printf("last synced avail = %llu%s\n", sd.avail >> shift, suffix); 16135f5f7a6fSahrens mdb_printf("current syncing avail = %llu%s\n", 16145f5f7a6fSahrens sd.nowavail >> shift, suffix); 1615fa9e4066Sahrens 1616fa9e4066Sahrens return (DCMD_OK); 1617fa9e4066Sahrens } 1618fa9e4066Sahrens 161922ce0148SMatthew Ahrens typedef struct mdb_spa_aux_vdev { 162022ce0148SMatthew Ahrens int sav_count; 162122ce0148SMatthew Ahrens uintptr_t sav_vdevs; 162222ce0148SMatthew Ahrens } mdb_spa_aux_vdev_t; 1623fa9e4066Sahrens 162422ce0148SMatthew Ahrens typedef struct mdb_spa_vdevs { 162522ce0148SMatthew Ahrens uintptr_t spa_root_vdev; 162622ce0148SMatthew Ahrens mdb_spa_aux_vdev_t spa_l2cache; 162722ce0148SMatthew Ahrens mdb_spa_aux_vdev_t spa_spares; 162822ce0148SMatthew Ahrens } mdb_spa_vdevs_t; 1629fa9e4066Sahrens 1630ec9f632eSEric Schrock static int 163122ce0148SMatthew Ahrens spa_print_aux(mdb_spa_aux_vdev_t *sav, uint_t flags, mdb_arg_t *v, 1632ec9f632eSEric Schrock const char *name) 1633ec9f632eSEric Schrock { 1634ec9f632eSEric Schrock uintptr_t *aux; 1635ec9f632eSEric Schrock size_t len; 1636ec9f632eSEric Schrock int ret, i; 1637ec9f632eSEric Schrock 1638ec9f632eSEric Schrock /* 1639ec9f632eSEric Schrock * Iterate over aux vdevs and print those out as well. This is a 1640ec9f632eSEric Schrock * little annoying because we don't have a root vdev to pass to ::vdev. 1641ec9f632eSEric Schrock * Instead, we print a single line and then call it for each child 1642ec9f632eSEric Schrock * vdev. 1643ec9f632eSEric Schrock */ 1644ec9f632eSEric Schrock if (sav->sav_count != 0) { 1645ec9f632eSEric Schrock v[1].a_type = MDB_TYPE_STRING; 1646ec9f632eSEric Schrock v[1].a_un.a_str = "-d"; 1647ec9f632eSEric Schrock v[2].a_type = MDB_TYPE_IMMEDIATE; 1648ec9f632eSEric Schrock v[2].a_un.a_val = 2; 1649ec9f632eSEric Schrock 1650ec9f632eSEric Schrock len = sav->sav_count * sizeof (uintptr_t); 1651ec9f632eSEric Schrock aux = mdb_alloc(len, UM_SLEEP); 165222ce0148SMatthew Ahrens if (mdb_vread(aux, len, sav->sav_vdevs) == -1) { 1653ec9f632eSEric Schrock mdb_free(aux, len); 1654ec9f632eSEric Schrock mdb_warn("failed to read l2cache vdevs at %p", 1655ec9f632eSEric Schrock sav->sav_vdevs); 1656ec9f632eSEric Schrock return (DCMD_ERR); 1657ec9f632eSEric Schrock } 1658ec9f632eSEric Schrock 1659ec9f632eSEric Schrock mdb_printf("%-?s %-9s %-12s %s\n", "-", "-", "-", name); 1660ec9f632eSEric Schrock 1661ec9f632eSEric Schrock for (i = 0; i < sav->sav_count; i++) { 1662ec9f632eSEric Schrock ret = mdb_call_dcmd("vdev", aux[i], flags, 3, v); 1663ec9f632eSEric Schrock if (ret != DCMD_OK) { 1664ec9f632eSEric Schrock mdb_free(aux, len); 1665ec9f632eSEric Schrock return (ret); 1666ec9f632eSEric Schrock } 1667ec9f632eSEric Schrock } 1668ec9f632eSEric Schrock 1669ec9f632eSEric Schrock mdb_free(aux, len); 1670ec9f632eSEric Schrock } 1671ec9f632eSEric Schrock 1672ec9f632eSEric Schrock return (0); 1673ec9f632eSEric Schrock } 1674ec9f632eSEric Schrock 1675fa9e4066Sahrens /* 1676fa9e4066Sahrens * ::spa_vdevs 1677fa9e4066Sahrens * 1678fa9e4066Sahrens * -e Include error stats 1679fa9e4066Sahrens * 1680fa9e4066Sahrens * Print out a summarized list of vdevs for the given spa_t. 1681c5904d13Seschrock * This is accomplished by invoking "::vdev -re" on the root vdev, as well as 1682c5904d13Seschrock * iterating over the cache devices. 1683fa9e4066Sahrens */ 1684fa9e4066Sahrens /* ARGSUSED */ 1685fa9e4066Sahrens static int 1686fa9e4066Sahrens spa_vdevs(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1687fa9e4066Sahrens { 1688c5904d13Seschrock mdb_arg_t v[3]; 1689fa9e4066Sahrens int errors = FALSE; 1690ec9f632eSEric Schrock int ret; 1691fa9e4066Sahrens 1692fa9e4066Sahrens if (mdb_getopts(argc, argv, 1693fa9e4066Sahrens 'e', MDB_OPT_SETBITS, TRUE, &errors, 1694fa9e4066Sahrens NULL) != argc) 1695fa9e4066Sahrens return (DCMD_USAGE); 1696fa9e4066Sahrens 1697fa9e4066Sahrens if (!(flags & DCMD_ADDRSPEC)) 1698fa9e4066Sahrens return (DCMD_USAGE); 1699fa9e4066Sahrens 170022ce0148SMatthew Ahrens mdb_spa_vdevs_t spa; 170122ce0148SMatthew Ahrens if (mdb_ctf_vread(&spa, "spa_t", "mdb_spa_vdevs_t", addr, 0) == -1) 1702fa9e4066Sahrens return (DCMD_ERR); 1703fa9e4066Sahrens 1704088e9d47Seschrock /* 1705088e9d47Seschrock * Unitialized spa_t structures can have a NULL root vdev. 1706088e9d47Seschrock */ 1707088e9d47Seschrock if (spa.spa_root_vdev == NULL) { 1708088e9d47Seschrock mdb_printf("no associated vdevs\n"); 1709088e9d47Seschrock return (DCMD_OK); 1710088e9d47Seschrock } 1711088e9d47Seschrock 1712c5904d13Seschrock v[0].a_type = MDB_TYPE_STRING; 1713c5904d13Seschrock v[0].a_un.a_str = errors ? "-re" : "-r"; 1714fa9e4066Sahrens 1715c5904d13Seschrock ret = mdb_call_dcmd("vdev", (uintptr_t)spa.spa_root_vdev, 1716c5904d13Seschrock flags, 1, v); 1717c5904d13Seschrock if (ret != DCMD_OK) 1718c5904d13Seschrock return (ret); 1719c5904d13Seschrock 1720ec9f632eSEric Schrock if (spa_print_aux(&spa.spa_l2cache, flags, v, "cache") != 0 || 1721ec9f632eSEric Schrock spa_print_aux(&spa.spa_spares, flags, v, "spares") != 0) 1722c5904d13Seschrock return (DCMD_ERR); 1723c5904d13Seschrock 1724c5904d13Seschrock return (DCMD_OK); 1725fa9e4066Sahrens } 1726fa9e4066Sahrens 1727ccae0b50Seschrock /* 1728ccae0b50Seschrock * ::zio 1729ccae0b50Seschrock * 1730ccae0b50Seschrock * Print a summary of zio_t and all its children. This is intended to display a 1731ccae0b50Seschrock * zio tree, and hence we only pick the most important pieces of information for 1732ccae0b50Seschrock * the main summary. More detailed information can always be found by doing a 1733ccae0b50Seschrock * '::print zio' on the underlying zio_t. The columns we display are: 1734ccae0b50Seschrock * 1735c55e05cbSMatthew Ahrens * ADDRESS TYPE STAGE WAITER TIME_ELAPSED 1736ccae0b50Seschrock * 1737ccae0b50Seschrock * The 'address' column is indented by one space for each depth level as we 1738ccae0b50Seschrock * descend down the tree. 1739ccae0b50Seschrock */ 1740fac3008cSeschrock 1741c55e05cbSMatthew Ahrens #define ZIO_MAXINDENT 7 1742a3f829aeSBill Moore #define ZIO_MAXWIDTH (sizeof (uintptr_t) * 2 + ZIO_MAXINDENT) 1743a3f829aeSBill Moore #define ZIO_WALK_SELF 0 1744a3f829aeSBill Moore #define ZIO_WALK_CHILD 1 1745a3f829aeSBill Moore #define ZIO_WALK_PARENT 2 1746a3f829aeSBill Moore 1747a3f829aeSBill Moore typedef struct zio_print_args { 1748a3f829aeSBill Moore int zpa_current_depth; 1749a3f829aeSBill Moore int zpa_min_depth; 1750a3f829aeSBill Moore int zpa_max_depth; 1751a3f829aeSBill Moore int zpa_type; 1752a3f829aeSBill Moore uint_t zpa_flags; 1753a3f829aeSBill Moore } zio_print_args_t; 1754a3f829aeSBill Moore 175528e4da25SMatthew Ahrens typedef struct mdb_zio { 175628e4da25SMatthew Ahrens enum zio_type io_type; 175728e4da25SMatthew Ahrens enum zio_stage io_stage; 1758d5ee8a13SMatthew Ahrens uintptr_t io_waiter; 1759d5ee8a13SMatthew Ahrens uintptr_t io_spa; 176028e4da25SMatthew Ahrens struct { 176128e4da25SMatthew Ahrens struct { 1762d5ee8a13SMatthew Ahrens uintptr_t list_next; 176328e4da25SMatthew Ahrens } list_head; 176428e4da25SMatthew Ahrens } io_parent_list; 176528e4da25SMatthew Ahrens int io_error; 176628e4da25SMatthew Ahrens } mdb_zio_t; 176728e4da25SMatthew Ahrens 1768c55e05cbSMatthew Ahrens typedef struct mdb_zio_timestamp { 1769c55e05cbSMatthew Ahrens hrtime_t io_timestamp; 1770c55e05cbSMatthew Ahrens } mdb_zio_timestamp_t; 1771c55e05cbSMatthew Ahrens 1772a3f829aeSBill Moore static int zio_child_cb(uintptr_t addr, const void *unknown, void *arg); 1773fac3008cSeschrock 1774ccae0b50Seschrock static int 1775c55e05cbSMatthew Ahrens zio_print_cb(uintptr_t addr, zio_print_args_t *zpa) 1776ccae0b50Seschrock { 1777ccae0b50Seschrock mdb_ctf_id_t type_enum, stage_enum; 1778a3f829aeSBill Moore int indent = zpa->zpa_current_depth; 1779ccae0b50Seschrock const char *type, *stage; 1780a3f829aeSBill Moore uintptr_t laddr; 1781c55e05cbSMatthew Ahrens mdb_zio_t zio; 1782c55e05cbSMatthew Ahrens mdb_zio_timestamp_t zio_timestamp = { 0 }; 1783c55e05cbSMatthew Ahrens 1784c55e05cbSMatthew Ahrens if (mdb_ctf_vread(&zio, ZFS_STRUCT "zio", "mdb_zio_t", addr, 0) == -1) 1785c55e05cbSMatthew Ahrens return (WALK_ERR); 1786c55e05cbSMatthew Ahrens (void) mdb_ctf_vread(&zio_timestamp, ZFS_STRUCT "zio", 1787c55e05cbSMatthew Ahrens "mdb_zio_timestamp_t", addr, MDB_CTF_VREAD_QUIET); 1788ccae0b50Seschrock 1789a3f829aeSBill Moore if (indent > ZIO_MAXINDENT) 1790a3f829aeSBill Moore indent = ZIO_MAXINDENT; 1791ccae0b50Seschrock 1792ccae0b50Seschrock if (mdb_ctf_lookup_by_name("enum zio_type", &type_enum) == -1 || 1793ccae0b50Seschrock mdb_ctf_lookup_by_name("enum zio_stage", &stage_enum) == -1) { 1794ccae0b50Seschrock mdb_warn("failed to lookup zio enums"); 1795ccae0b50Seschrock return (WALK_ERR); 1796ccae0b50Seschrock } 1797ccae0b50Seschrock 1798c55e05cbSMatthew Ahrens if ((type = mdb_ctf_enum_name(type_enum, zio.io_type)) != NULL) 1799ccae0b50Seschrock type += sizeof ("ZIO_TYPE_") - 1; 1800ccae0b50Seschrock else 1801ccae0b50Seschrock type = "?"; 1802ccae0b50Seschrock 1803c55e05cbSMatthew Ahrens if (zio.io_error == 0) { 1804c55e05cbSMatthew Ahrens stage = mdb_ctf_enum_name(stage_enum, zio.io_stage); 180528e4da25SMatthew Ahrens if (stage != NULL) 1806ccae0b50Seschrock stage += sizeof ("ZIO_STAGE_") - 1; 1807ccae0b50Seschrock else 1808ccae0b50Seschrock stage = "?"; 180928e4da25SMatthew Ahrens } else { 181028e4da25SMatthew Ahrens stage = "FAILED"; 181128e4da25SMatthew Ahrens } 1812ccae0b50Seschrock 1813a3f829aeSBill Moore if (zpa->zpa_current_depth >= zpa->zpa_min_depth) { 1814a3f829aeSBill Moore if (zpa->zpa_flags & DCMD_PIPE_OUT) { 1815a3f829aeSBill Moore mdb_printf("%?p\n", addr); 1816a3f829aeSBill Moore } else { 1817a3f829aeSBill Moore mdb_printf("%*s%-*p %-5s %-16s ", indent, "", 1818a3f829aeSBill Moore ZIO_MAXWIDTH - indent, addr, type, stage); 1819d5ee8a13SMatthew Ahrens if (zio.io_waiter != 0) 1820d5ee8a13SMatthew Ahrens mdb_printf("%-16lx ", zio.io_waiter); 1821ccae0b50Seschrock else 1822c55e05cbSMatthew Ahrens mdb_printf("%-16s ", "-"); 1823c55e05cbSMatthew Ahrens #ifdef _KERNEL 1824c55e05cbSMatthew Ahrens if (zio_timestamp.io_timestamp != 0) { 1825c55e05cbSMatthew Ahrens mdb_printf("%llums", (mdb_gethrtime() - 1826c55e05cbSMatthew Ahrens zio_timestamp.io_timestamp) / 1827c55e05cbSMatthew Ahrens 1000000); 1828c55e05cbSMatthew Ahrens } else { 1829c55e05cbSMatthew Ahrens mdb_printf("%-12s ", "-"); 1830c55e05cbSMatthew Ahrens } 1831c55e05cbSMatthew Ahrens #else 1832c55e05cbSMatthew Ahrens mdb_printf("%-12s ", "-"); 1833c55e05cbSMatthew Ahrens #endif 1834c55e05cbSMatthew Ahrens mdb_printf("\n"); 1835a3f829aeSBill Moore } 1836a3f829aeSBill Moore } 1837ccae0b50Seschrock 1838a3f829aeSBill Moore if (zpa->zpa_current_depth >= zpa->zpa_max_depth) 1839a3f829aeSBill Moore return (WALK_NEXT); 1840a3f829aeSBill Moore 1841a3f829aeSBill Moore if (zpa->zpa_type == ZIO_WALK_PARENT) 184228e4da25SMatthew Ahrens laddr = addr + mdb_ctf_offsetof_by_name(ZFS_STRUCT "zio", 184328e4da25SMatthew Ahrens "io_parent_list"); 1844a3f829aeSBill Moore else 184528e4da25SMatthew Ahrens laddr = addr + mdb_ctf_offsetof_by_name(ZFS_STRUCT "zio", 184628e4da25SMatthew Ahrens "io_child_list"); 1847a3f829aeSBill Moore 1848a3f829aeSBill Moore zpa->zpa_current_depth++; 1849a3f829aeSBill Moore if (mdb_pwalk("list", zio_child_cb, zpa, laddr) != 0) { 1850a3f829aeSBill Moore mdb_warn("failed to walk zio_t children at %p\n", laddr); 1851a3f829aeSBill Moore return (WALK_ERR); 1852a3f829aeSBill Moore } 1853a3f829aeSBill Moore zpa->zpa_current_depth--; 1854a3f829aeSBill Moore 1855a3f829aeSBill Moore return (WALK_NEXT); 1856a3f829aeSBill Moore } 1857a3f829aeSBill Moore 1858a3f829aeSBill Moore /* ARGSUSED */ 1859a3f829aeSBill Moore static int 1860a3f829aeSBill Moore zio_child_cb(uintptr_t addr, const void *unknown, void *arg) 1861a3f829aeSBill Moore { 1862a3f829aeSBill Moore zio_link_t zl; 1863a3f829aeSBill Moore uintptr_t ziop; 1864a3f829aeSBill Moore zio_print_args_t *zpa = arg; 1865a3f829aeSBill Moore 1866a3f829aeSBill Moore if (mdb_vread(&zl, sizeof (zl), addr) == -1) { 1867a3f829aeSBill Moore mdb_warn("failed to read zio_link_t at %p", addr); 1868ccae0b50Seschrock return (WALK_ERR); 1869ccae0b50Seschrock } 1870ccae0b50Seschrock 1871a3f829aeSBill Moore if (zpa->zpa_type == ZIO_WALK_PARENT) 1872a3f829aeSBill Moore ziop = (uintptr_t)zl.zl_parent; 1873a3f829aeSBill Moore else 1874a3f829aeSBill Moore ziop = (uintptr_t)zl.zl_child; 1875a3f829aeSBill Moore 187669962b56SMatthew Ahrens return (zio_print_cb(ziop, zpa)); 1877ccae0b50Seschrock } 1878ccae0b50Seschrock 1879ccae0b50Seschrock /* ARGSUSED */ 1880ccae0b50Seschrock static int 1881ccae0b50Seschrock zio_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1882ccae0b50Seschrock { 1883a3f829aeSBill Moore zio_print_args_t zpa = { 0 }; 1884ccae0b50Seschrock 1885ccae0b50Seschrock if (!(flags & DCMD_ADDRSPEC)) 1886ccae0b50Seschrock return (DCMD_USAGE); 1887ccae0b50Seschrock 1888a3f829aeSBill Moore if (mdb_getopts(argc, argv, 1889a3f829aeSBill Moore 'r', MDB_OPT_SETBITS, INT_MAX, &zpa.zpa_max_depth, 1890a3f829aeSBill Moore 'c', MDB_OPT_SETBITS, ZIO_WALK_CHILD, &zpa.zpa_type, 1891a3f829aeSBill Moore 'p', MDB_OPT_SETBITS, ZIO_WALK_PARENT, &zpa.zpa_type, 1892a3f829aeSBill Moore NULL) != argc) 1893a3f829aeSBill Moore return (DCMD_USAGE); 1894a3f829aeSBill Moore 1895a3f829aeSBill Moore zpa.zpa_flags = flags; 1896a3f829aeSBill Moore if (zpa.zpa_max_depth != 0) { 1897a3f829aeSBill Moore if (zpa.zpa_type == ZIO_WALK_SELF) 1898a3f829aeSBill Moore zpa.zpa_type = ZIO_WALK_CHILD; 1899a3f829aeSBill Moore } else if (zpa.zpa_type != ZIO_WALK_SELF) { 1900a3f829aeSBill Moore zpa.zpa_min_depth = 1; 1901a3f829aeSBill Moore zpa.zpa_max_depth = 1; 1902a3f829aeSBill Moore } 1903a3f829aeSBill Moore 1904c55e05cbSMatthew Ahrens if (!(flags & DCMD_PIPE_OUT) && DCMD_HDRSPEC(flags)) { 1905c55e05cbSMatthew Ahrens mdb_printf("%<u>%-*s %-5s %-16s %-16s %-12s%</u>\n", 1906c55e05cbSMatthew Ahrens ZIO_MAXWIDTH, "ADDRESS", "TYPE", "STAGE", "WAITER", 1907c55e05cbSMatthew Ahrens "TIME_ELAPSED"); 1908c55e05cbSMatthew Ahrens } 1909ccae0b50Seschrock 1910c55e05cbSMatthew Ahrens if (zio_print_cb(addr, &zpa) != WALK_NEXT) 1911ccae0b50Seschrock return (DCMD_ERR); 1912ccae0b50Seschrock 1913ccae0b50Seschrock return (DCMD_OK); 1914ccae0b50Seschrock } 1915ccae0b50Seschrock 1916ccae0b50Seschrock /* 1917ccae0b50Seschrock * [addr]::zio_state 1918ccae0b50Seschrock * 1919ccae0b50Seschrock * Print a summary of all zio_t structures on the system, or for a particular 1920ccae0b50Seschrock * pool. This is equivalent to '::walk zio_root | ::zio'. 1921ccae0b50Seschrock */ 1922ccae0b50Seschrock /*ARGSUSED*/ 1923ccae0b50Seschrock static int 1924ccae0b50Seschrock zio_state(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1925ccae0b50Seschrock { 1926ccae0b50Seschrock /* 1927ccae0b50Seschrock * MDB will remember the last address of the pipeline, so if we don't 1928ccae0b50Seschrock * zero this we'll end up trying to walk zio structures for a 1929ccae0b50Seschrock * non-existent spa_t. 1930ccae0b50Seschrock */ 1931ccae0b50Seschrock if (!(flags & DCMD_ADDRSPEC)) 1932ccae0b50Seschrock addr = 0; 1933ccae0b50Seschrock 1934ccae0b50Seschrock return (mdb_pwalk_dcmd("zio_root", "zio", argc, argv, addr)); 1935ccae0b50Seschrock } 1936ccae0b50Seschrock 1937fa9e4066Sahrens typedef struct txg_list_walk_data { 1938fa9e4066Sahrens uintptr_t lw_head[TXG_SIZE]; 1939fa9e4066Sahrens int lw_txgoff; 1940fa9e4066Sahrens int lw_maxoff; 1941fa9e4066Sahrens size_t lw_offset; 1942fa9e4066Sahrens void *lw_obj; 1943fa9e4066Sahrens } txg_list_walk_data_t; 1944fa9e4066Sahrens 1945fa9e4066Sahrens static int 1946fa9e4066Sahrens txg_list_walk_init_common(mdb_walk_state_t *wsp, int txg, int maxoff) 1947fa9e4066Sahrens { 1948fa9e4066Sahrens txg_list_walk_data_t *lwd; 1949fa9e4066Sahrens txg_list_t list; 1950fa9e4066Sahrens int i; 1951fa9e4066Sahrens 1952fa9e4066Sahrens lwd = mdb_alloc(sizeof (txg_list_walk_data_t), UM_SLEEP | UM_GC); 1953fa9e4066Sahrens if (mdb_vread(&list, sizeof (txg_list_t), wsp->walk_addr) == -1) { 1954fa9e4066Sahrens mdb_warn("failed to read txg_list_t at %#lx", wsp->walk_addr); 1955fa9e4066Sahrens return (WALK_ERR); 1956fa9e4066Sahrens } 1957fa9e4066Sahrens 1958fa9e4066Sahrens for (i = 0; i < TXG_SIZE; i++) 1959fa9e4066Sahrens lwd->lw_head[i] = (uintptr_t)list.tl_head[i]; 1960fa9e4066Sahrens lwd->lw_offset = list.tl_offset; 1961fa9e4066Sahrens lwd->lw_obj = mdb_alloc(lwd->lw_offset + sizeof (txg_node_t), 1962fa9e4066Sahrens UM_SLEEP | UM_GC); 1963fa9e4066Sahrens lwd->lw_txgoff = txg; 1964fa9e4066Sahrens lwd->lw_maxoff = maxoff; 1965fa9e4066Sahrens 1966fa9e4066Sahrens wsp->walk_addr = lwd->lw_head[lwd->lw_txgoff]; 1967fa9e4066Sahrens wsp->walk_data = lwd; 1968fa9e4066Sahrens 1969fa9e4066Sahrens return (WALK_NEXT); 1970fa9e4066Sahrens } 1971fa9e4066Sahrens 1972fa9e4066Sahrens static int 1973fa9e4066Sahrens txg_list_walk_init(mdb_walk_state_t *wsp) 1974fa9e4066Sahrens { 1975fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 0, TXG_SIZE-1)); 1976fa9e4066Sahrens } 1977fa9e4066Sahrens 1978fa9e4066Sahrens static int 1979fa9e4066Sahrens txg_list0_walk_init(mdb_walk_state_t *wsp) 1980fa9e4066Sahrens { 1981fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 0, 0)); 1982fa9e4066Sahrens } 1983fa9e4066Sahrens 1984fa9e4066Sahrens static int 1985fa9e4066Sahrens txg_list1_walk_init(mdb_walk_state_t *wsp) 1986fa9e4066Sahrens { 1987fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 1, 1)); 1988fa9e4066Sahrens } 1989fa9e4066Sahrens 1990fa9e4066Sahrens static int 1991fa9e4066Sahrens txg_list2_walk_init(mdb_walk_state_t *wsp) 1992fa9e4066Sahrens { 1993fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 2, 2)); 1994fa9e4066Sahrens } 1995fa9e4066Sahrens 1996fa9e4066Sahrens static int 1997fa9e4066Sahrens txg_list3_walk_init(mdb_walk_state_t *wsp) 1998fa9e4066Sahrens { 1999fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 3, 3)); 2000fa9e4066Sahrens } 2001fa9e4066Sahrens 2002fa9e4066Sahrens static int 2003fa9e4066Sahrens txg_list_walk_step(mdb_walk_state_t *wsp) 2004fa9e4066Sahrens { 2005fa9e4066Sahrens txg_list_walk_data_t *lwd = wsp->walk_data; 2006fa9e4066Sahrens uintptr_t addr; 2007fa9e4066Sahrens txg_node_t *node; 2008fa9e4066Sahrens int status; 2009fa9e4066Sahrens 2010fa9e4066Sahrens while (wsp->walk_addr == NULL && lwd->lw_txgoff < lwd->lw_maxoff) { 2011fa9e4066Sahrens lwd->lw_txgoff++; 2012fa9e4066Sahrens wsp->walk_addr = lwd->lw_head[lwd->lw_txgoff]; 2013fa9e4066Sahrens } 2014fa9e4066Sahrens 2015fa9e4066Sahrens if (wsp->walk_addr == NULL) 2016fa9e4066Sahrens return (WALK_DONE); 2017fa9e4066Sahrens 2018fa9e4066Sahrens addr = wsp->walk_addr - lwd->lw_offset; 2019fa9e4066Sahrens 2020fa9e4066Sahrens if (mdb_vread(lwd->lw_obj, 2021fa9e4066Sahrens lwd->lw_offset + sizeof (txg_node_t), addr) == -1) { 2022fa9e4066Sahrens mdb_warn("failed to read list element at %#lx", addr); 2023fa9e4066Sahrens return (WALK_ERR); 2024fa9e4066Sahrens } 2025fa9e4066Sahrens 2026fa9e4066Sahrens status = wsp->walk_callback(addr, lwd->lw_obj, wsp->walk_cbdata); 2027fa9e4066Sahrens node = (txg_node_t *)((uintptr_t)lwd->lw_obj + lwd->lw_offset); 2028fa9e4066Sahrens wsp->walk_addr = (uintptr_t)node->tn_next[lwd->lw_txgoff]; 2029fa9e4066Sahrens 2030fa9e4066Sahrens return (status); 2031fa9e4066Sahrens } 2032fa9e4066Sahrens 2033fa9e4066Sahrens /* 2034fa9e4066Sahrens * ::walk spa 2035fa9e4066Sahrens * 2036fa9e4066Sahrens * Walk all named spa_t structures in the namespace. This is nothing more than 2037fa9e4066Sahrens * a layered avl walk. 2038fa9e4066Sahrens */ 2039fa9e4066Sahrens static int 2040fa9e4066Sahrens spa_walk_init(mdb_walk_state_t *wsp) 2041fa9e4066Sahrens { 2042fa9e4066Sahrens GElf_Sym sym; 2043fa9e4066Sahrens 2044fa9e4066Sahrens if (wsp->walk_addr != NULL) { 2045fa9e4066Sahrens mdb_warn("spa walk only supports global walks\n"); 2046fa9e4066Sahrens return (WALK_ERR); 2047fa9e4066Sahrens } 2048fa9e4066Sahrens 2049fa9e4066Sahrens if (mdb_lookup_by_obj(ZFS_OBJ_NAME, "spa_namespace_avl", &sym) == -1) { 2050fa9e4066Sahrens mdb_warn("failed to find symbol 'spa_namespace_avl'"); 2051fa9e4066Sahrens return (WALK_ERR); 2052fa9e4066Sahrens } 2053fa9e4066Sahrens 2054fa9e4066Sahrens wsp->walk_addr = (uintptr_t)sym.st_value; 2055fa9e4066Sahrens 2056fa9e4066Sahrens if (mdb_layered_walk("avl", wsp) == -1) { 2057fa9e4066Sahrens mdb_warn("failed to walk 'avl'\n"); 2058fa9e4066Sahrens return (WALK_ERR); 2059fa9e4066Sahrens } 2060fa9e4066Sahrens 2061fa9e4066Sahrens return (WALK_NEXT); 2062fa9e4066Sahrens } 2063fa9e4066Sahrens 2064fa9e4066Sahrens static int 2065fa9e4066Sahrens spa_walk_step(mdb_walk_state_t *wsp) 2066fa9e4066Sahrens { 206722ce0148SMatthew Ahrens return (wsp->walk_callback(wsp->walk_addr, NULL, wsp->walk_cbdata)); 2068fa9e4066Sahrens } 2069fa9e4066Sahrens 2070fa9e4066Sahrens /* 2071ccae0b50Seschrock * [addr]::walk zio 2072ccae0b50Seschrock * 2073ccae0b50Seschrock * Walk all active zio_t structures on the system. This is simply a layered 2074ccae0b50Seschrock * walk on top of ::walk zio_cache, with the optional ability to limit the 2075ccae0b50Seschrock * structures to a particular pool. 2076ccae0b50Seschrock */ 2077ccae0b50Seschrock static int 2078ccae0b50Seschrock zio_walk_init(mdb_walk_state_t *wsp) 2079ccae0b50Seschrock { 2080d5ee8a13SMatthew Ahrens wsp->walk_data = &wsp->walk_addr; 2081ccae0b50Seschrock 2082ccae0b50Seschrock if (mdb_layered_walk("zio_cache", wsp) == -1) { 2083ccae0b50Seschrock mdb_warn("failed to walk 'zio_cache'\n"); 2084ccae0b50Seschrock return (WALK_ERR); 2085ccae0b50Seschrock } 2086ccae0b50Seschrock 2087ccae0b50Seschrock return (WALK_NEXT); 2088ccae0b50Seschrock } 2089ccae0b50Seschrock 2090ccae0b50Seschrock static int 2091ccae0b50Seschrock zio_walk_step(mdb_walk_state_t *wsp) 2092ccae0b50Seschrock { 209328e4da25SMatthew Ahrens mdb_zio_t zio; 2094d5ee8a13SMatthew Ahrens uintptr_t *spap = wsp->walk_data; 2095ccae0b50Seschrock 209628e4da25SMatthew Ahrens if (mdb_ctf_vread(&zio, ZFS_STRUCT "zio", "mdb_zio_t", 209728e4da25SMatthew Ahrens wsp->walk_addr, 0) == -1) 2098ccae0b50Seschrock return (WALK_ERR); 2099ccae0b50Seschrock 2100d5ee8a13SMatthew Ahrens if (*spap != 0 && *spap != zio.io_spa) 2101ccae0b50Seschrock return (WALK_NEXT); 2102ccae0b50Seschrock 2103ccae0b50Seschrock return (wsp->walk_callback(wsp->walk_addr, &zio, wsp->walk_cbdata)); 2104ccae0b50Seschrock } 2105ccae0b50Seschrock 2106ccae0b50Seschrock /* 2107ccae0b50Seschrock * [addr]::walk zio_root 2108ccae0b50Seschrock * 2109ccae0b50Seschrock * Walk only root zio_t structures, optionally for a particular spa_t. 2110ccae0b50Seschrock */ 2111ccae0b50Seschrock static int 2112ccae0b50Seschrock zio_walk_root_step(mdb_walk_state_t *wsp) 2113ccae0b50Seschrock { 211428e4da25SMatthew Ahrens mdb_zio_t zio; 2115d5ee8a13SMatthew Ahrens uintptr_t *spap = wsp->walk_data; 2116ccae0b50Seschrock 211728e4da25SMatthew Ahrens if (mdb_ctf_vread(&zio, ZFS_STRUCT "zio", "mdb_zio_t", 211828e4da25SMatthew Ahrens wsp->walk_addr, 0) == -1) 2119ccae0b50Seschrock return (WALK_ERR); 2120ccae0b50Seschrock 2121d5ee8a13SMatthew Ahrens if (*spap != 0 && *spap != zio.io_spa) 2122ccae0b50Seschrock return (WALK_NEXT); 2123ccae0b50Seschrock 2124a3f829aeSBill Moore /* If the parent list is not empty, ignore */ 2125d5ee8a13SMatthew Ahrens if (zio.io_parent_list.list_head.list_next != 212628e4da25SMatthew Ahrens wsp->walk_addr + 212728e4da25SMatthew Ahrens mdb_ctf_offsetof_by_name(ZFS_STRUCT "zio", "io_parent_list") + 212828e4da25SMatthew Ahrens mdb_ctf_offsetof_by_name("struct list", "list_head")) 2129ccae0b50Seschrock return (WALK_NEXT); 2130ccae0b50Seschrock 2131ccae0b50Seschrock return (wsp->walk_callback(wsp->walk_addr, &zio, wsp->walk_cbdata)); 2132ccae0b50Seschrock } 2133ccae0b50Seschrock 213488b7b0f2SMatthew Ahrens #define NICENUM_BUFLEN 6 213588b7b0f2SMatthew Ahrens 213688b7b0f2SMatthew Ahrens static int 2137ff64c0f7SMatthew Ahrens snprintfrac(char *buf, int len, 2138ff64c0f7SMatthew Ahrens uint64_t numerator, uint64_t denom, int frac_digits) 213988b7b0f2SMatthew Ahrens { 2140ff64c0f7SMatthew Ahrens int mul = 1; 214188b7b0f2SMatthew Ahrens int whole, frac, i; 214288b7b0f2SMatthew Ahrens 214388b7b0f2SMatthew Ahrens for (i = frac_digits; i; i--) 214488b7b0f2SMatthew Ahrens mul *= 10; 2145ff64c0f7SMatthew Ahrens whole = numerator / denom; 2146ff64c0f7SMatthew Ahrens frac = mul * numerator / denom - mul * whole; 214788b7b0f2SMatthew Ahrens return (mdb_snprintf(buf, len, "%u.%0*u", whole, frac_digits, frac)); 214888b7b0f2SMatthew Ahrens } 214988b7b0f2SMatthew Ahrens 215088b7b0f2SMatthew Ahrens static void 215188b7b0f2SMatthew Ahrens mdb_nicenum(uint64_t num, char *buf) 215288b7b0f2SMatthew Ahrens { 215388b7b0f2SMatthew Ahrens uint64_t n = num; 215488b7b0f2SMatthew Ahrens int index = 0; 215588b7b0f2SMatthew Ahrens char *u; 215688b7b0f2SMatthew Ahrens 215788b7b0f2SMatthew Ahrens while (n >= 1024) { 215888b7b0f2SMatthew Ahrens n = (n + (1024 / 2)) / 1024; /* Round up or down */ 215988b7b0f2SMatthew Ahrens index++; 216088b7b0f2SMatthew Ahrens } 216188b7b0f2SMatthew Ahrens 216288b7b0f2SMatthew Ahrens u = &" \0K\0M\0G\0T\0P\0E\0"[index*2]; 216388b7b0f2SMatthew Ahrens 216488b7b0f2SMatthew Ahrens if (index == 0) { 216588b7b0f2SMatthew Ahrens (void) mdb_snprintf(buf, NICENUM_BUFLEN, "%llu", 216688b7b0f2SMatthew Ahrens (u_longlong_t)n); 216788b7b0f2SMatthew Ahrens } else if (n < 10 && (num & (num - 1)) != 0) { 2168ff64c0f7SMatthew Ahrens (void) snprintfrac(buf, NICENUM_BUFLEN, 2169ff64c0f7SMatthew Ahrens num, 1ULL << 10 * index, 2); 217088b7b0f2SMatthew Ahrens strcat(buf, u); 217188b7b0f2SMatthew Ahrens } else if (n < 100 && (num & (num - 1)) != 0) { 2172ff64c0f7SMatthew Ahrens (void) snprintfrac(buf, NICENUM_BUFLEN, 2173ff64c0f7SMatthew Ahrens num, 1ULL << 10 * index, 1); 217488b7b0f2SMatthew Ahrens strcat(buf, u); 217588b7b0f2SMatthew Ahrens } else { 217688b7b0f2SMatthew Ahrens (void) mdb_snprintf(buf, NICENUM_BUFLEN, "%llu%s", 217788b7b0f2SMatthew Ahrens (u_longlong_t)n, u); 217888b7b0f2SMatthew Ahrens } 217988b7b0f2SMatthew Ahrens } 218088b7b0f2SMatthew Ahrens 218188b7b0f2SMatthew Ahrens /* 218288b7b0f2SMatthew Ahrens * ::zfs_blkstats 218388b7b0f2SMatthew Ahrens * 218488b7b0f2SMatthew Ahrens * -v print verbose per-level information 218588b7b0f2SMatthew Ahrens * 218688b7b0f2SMatthew Ahrens */ 218788b7b0f2SMatthew Ahrens static int 218888b7b0f2SMatthew Ahrens zfs_blkstats(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 218988b7b0f2SMatthew Ahrens { 219088b7b0f2SMatthew Ahrens boolean_t verbose = B_FALSE; 219188b7b0f2SMatthew Ahrens zfs_all_blkstats_t stats; 219288b7b0f2SMatthew Ahrens dmu_object_type_t t; 219388b7b0f2SMatthew Ahrens zfs_blkstat_t *tzb; 219488b7b0f2SMatthew Ahrens uint64_t ditto; 219588b7b0f2SMatthew Ahrens dmu_object_type_info_t dmu_ot[DMU_OT_NUMTYPES + 10]; 219688b7b0f2SMatthew Ahrens /* +10 in case it grew */ 219788b7b0f2SMatthew Ahrens 219888b7b0f2SMatthew Ahrens if (mdb_readvar(&dmu_ot, "dmu_ot") == -1) { 219988b7b0f2SMatthew Ahrens mdb_warn("failed to read 'dmu_ot'"); 220088b7b0f2SMatthew Ahrens return (DCMD_ERR); 220188b7b0f2SMatthew Ahrens } 220288b7b0f2SMatthew Ahrens 220388b7b0f2SMatthew Ahrens if (mdb_getopts(argc, argv, 220488b7b0f2SMatthew Ahrens 'v', MDB_OPT_SETBITS, TRUE, &verbose, 220588b7b0f2SMatthew Ahrens NULL) != argc) 220688b7b0f2SMatthew Ahrens return (DCMD_USAGE); 220788b7b0f2SMatthew Ahrens 220888b7b0f2SMatthew Ahrens if (!(flags & DCMD_ADDRSPEC)) 220988b7b0f2SMatthew Ahrens return (DCMD_USAGE); 221088b7b0f2SMatthew Ahrens 221128e4da25SMatthew Ahrens if (GETMEMB(addr, "spa", spa_dsl_pool, addr) || 221228e4da25SMatthew Ahrens GETMEMB(addr, "dsl_pool", dp_blkstats, addr) || 221388b7b0f2SMatthew Ahrens mdb_vread(&stats, sizeof (zfs_all_blkstats_t), addr) == -1) { 221488b7b0f2SMatthew Ahrens mdb_warn("failed to read data at %p;", addr); 221588b7b0f2SMatthew Ahrens mdb_printf("maybe no stats? run \"zpool scrub\" first."); 221688b7b0f2SMatthew Ahrens return (DCMD_ERR); 221788b7b0f2SMatthew Ahrens } 221888b7b0f2SMatthew Ahrens 2219ad135b5dSChristopher Siden tzb = &stats.zab_type[DN_MAX_LEVELS][DMU_OT_TOTAL]; 222088b7b0f2SMatthew Ahrens if (tzb->zb_gangs != 0) { 222188b7b0f2SMatthew Ahrens mdb_printf("Ganged blocks: %llu\n", 222288b7b0f2SMatthew Ahrens (longlong_t)tzb->zb_gangs); 222388b7b0f2SMatthew Ahrens } 222488b7b0f2SMatthew Ahrens 222588b7b0f2SMatthew Ahrens ditto = tzb->zb_ditto_2_of_2_samevdev + tzb->zb_ditto_2_of_3_samevdev + 222688b7b0f2SMatthew Ahrens tzb->zb_ditto_3_of_3_samevdev; 222788b7b0f2SMatthew Ahrens if (ditto != 0) { 222888b7b0f2SMatthew Ahrens mdb_printf("Dittoed blocks on same vdev: %llu\n", 222988b7b0f2SMatthew Ahrens (longlong_t)ditto); 223088b7b0f2SMatthew Ahrens } 223188b7b0f2SMatthew Ahrens 223288b7b0f2SMatthew Ahrens mdb_printf("\nBlocks\tLSIZE\tPSIZE\tASIZE" 223388b7b0f2SMatthew Ahrens "\t avg\t comp\t%%Total\tType\n"); 223488b7b0f2SMatthew Ahrens 2235ad135b5dSChristopher Siden for (t = 0; t <= DMU_OT_TOTAL; t++) { 223688b7b0f2SMatthew Ahrens char csize[NICENUM_BUFLEN], lsize[NICENUM_BUFLEN]; 223788b7b0f2SMatthew Ahrens char psize[NICENUM_BUFLEN], asize[NICENUM_BUFLEN]; 223888b7b0f2SMatthew Ahrens char avg[NICENUM_BUFLEN]; 223988b7b0f2SMatthew Ahrens char comp[NICENUM_BUFLEN], pct[NICENUM_BUFLEN]; 224088b7b0f2SMatthew Ahrens char typename[64]; 224188b7b0f2SMatthew Ahrens int l; 224288b7b0f2SMatthew Ahrens 224388b7b0f2SMatthew Ahrens 224488b7b0f2SMatthew Ahrens if (t == DMU_OT_DEFERRED) 224588b7b0f2SMatthew Ahrens strcpy(typename, "deferred free"); 2246ad135b5dSChristopher Siden else if (t == DMU_OT_OTHER) 2247ad135b5dSChristopher Siden strcpy(typename, "other"); 224888b7b0f2SMatthew Ahrens else if (t == DMU_OT_TOTAL) 224988b7b0f2SMatthew Ahrens strcpy(typename, "Total"); 225088b7b0f2SMatthew Ahrens else if (mdb_readstr(typename, sizeof (typename), 225188b7b0f2SMatthew Ahrens (uintptr_t)dmu_ot[t].ot_name) == -1) { 225288b7b0f2SMatthew Ahrens mdb_warn("failed to read type name"); 225388b7b0f2SMatthew Ahrens return (DCMD_ERR); 225488b7b0f2SMatthew Ahrens } 225588b7b0f2SMatthew Ahrens 225688b7b0f2SMatthew Ahrens if (stats.zab_type[DN_MAX_LEVELS][t].zb_asize == 0) 225788b7b0f2SMatthew Ahrens continue; 225888b7b0f2SMatthew Ahrens 225988b7b0f2SMatthew Ahrens for (l = -1; l < DN_MAX_LEVELS; l++) { 226088b7b0f2SMatthew Ahrens int level = (l == -1 ? DN_MAX_LEVELS : l); 226188b7b0f2SMatthew Ahrens zfs_blkstat_t *zb = &stats.zab_type[level][t]; 226288b7b0f2SMatthew Ahrens 226388b7b0f2SMatthew Ahrens if (zb->zb_asize == 0) 226488b7b0f2SMatthew Ahrens continue; 226588b7b0f2SMatthew Ahrens 226688b7b0f2SMatthew Ahrens /* 226788b7b0f2SMatthew Ahrens * Don't print each level unless requested. 226888b7b0f2SMatthew Ahrens */ 226988b7b0f2SMatthew Ahrens if (!verbose && level != DN_MAX_LEVELS) 227088b7b0f2SMatthew Ahrens continue; 227188b7b0f2SMatthew Ahrens 227288b7b0f2SMatthew Ahrens /* 227388b7b0f2SMatthew Ahrens * If all the space is level 0, don't print the 227488b7b0f2SMatthew Ahrens * level 0 separately. 227588b7b0f2SMatthew Ahrens */ 227688b7b0f2SMatthew Ahrens if (level == 0 && zb->zb_asize == 227788b7b0f2SMatthew Ahrens stats.zab_type[DN_MAX_LEVELS][t].zb_asize) 227888b7b0f2SMatthew Ahrens continue; 227988b7b0f2SMatthew Ahrens 228088b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_count, csize); 228188b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_lsize, lsize); 228288b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_psize, psize); 228388b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_asize, asize); 228488b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_asize / zb->zb_count, avg); 2285ff64c0f7SMatthew Ahrens (void) snprintfrac(comp, NICENUM_BUFLEN, 2286ff64c0f7SMatthew Ahrens zb->zb_lsize, zb->zb_psize, 2); 2287ff64c0f7SMatthew Ahrens (void) snprintfrac(pct, NICENUM_BUFLEN, 2288ff64c0f7SMatthew Ahrens 100 * zb->zb_asize, tzb->zb_asize, 2); 228988b7b0f2SMatthew Ahrens 229088b7b0f2SMatthew Ahrens mdb_printf("%6s\t%5s\t%5s\t%5s\t%5s" 229188b7b0f2SMatthew Ahrens "\t%5s\t%6s\t", 229288b7b0f2SMatthew Ahrens csize, lsize, psize, asize, avg, comp, pct); 229388b7b0f2SMatthew Ahrens 229488b7b0f2SMatthew Ahrens if (level == DN_MAX_LEVELS) 229588b7b0f2SMatthew Ahrens mdb_printf("%s\n", typename); 229688b7b0f2SMatthew Ahrens else 229788b7b0f2SMatthew Ahrens mdb_printf(" L%d %s\n", 229888b7b0f2SMatthew Ahrens level, typename); 229988b7b0f2SMatthew Ahrens } 230088b7b0f2SMatthew Ahrens } 230188b7b0f2SMatthew Ahrens 230288b7b0f2SMatthew Ahrens return (DCMD_OK); 230388b7b0f2SMatthew Ahrens } 230488b7b0f2SMatthew Ahrens 2305d5ee8a13SMatthew Ahrens typedef struct mdb_reference { 2306d5ee8a13SMatthew Ahrens uintptr_t ref_holder; 2307d5ee8a13SMatthew Ahrens uintptr_t ref_removed; 2308d5ee8a13SMatthew Ahrens uint64_t ref_number; 2309d5ee8a13SMatthew Ahrens } mdb_reference_t; 2310d5ee8a13SMatthew Ahrens 23119966ca11SMatthew Ahrens /* ARGSUSED */ 23129966ca11SMatthew Ahrens static int 23139966ca11SMatthew Ahrens reference_cb(uintptr_t addr, const void *ignored, void *arg) 23149966ca11SMatthew Ahrens { 2315d5ee8a13SMatthew Ahrens mdb_reference_t ref; 23163f9d6ad7SLin Ling boolean_t holder_is_str = B_FALSE; 23179966ca11SMatthew Ahrens char holder_str[128]; 23189966ca11SMatthew Ahrens boolean_t removed = (boolean_t)arg; 23199966ca11SMatthew Ahrens 2320d5ee8a13SMatthew Ahrens if (mdb_ctf_vread(&ref, "reference_t", "mdb_reference_t", addr, 2321d5ee8a13SMatthew Ahrens 0) == -1) 2322d5ee8a13SMatthew Ahrens return (DCMD_ERR); 23239966ca11SMatthew Ahrens 2324d5ee8a13SMatthew Ahrens if (mdb_readstr(holder_str, sizeof (holder_str), 2325d5ee8a13SMatthew Ahrens ref.ref_holder) != -1) 23263f9d6ad7SLin Ling holder_is_str = strisprint(holder_str); 23279966ca11SMatthew Ahrens 23289966ca11SMatthew Ahrens if (removed) 23299966ca11SMatthew Ahrens mdb_printf("removed "); 23309966ca11SMatthew Ahrens mdb_printf("reference "); 2331d5ee8a13SMatthew Ahrens if (ref.ref_number != 1) 2332d5ee8a13SMatthew Ahrens mdb_printf("with count=%llu ", ref.ref_number); 2333d5ee8a13SMatthew Ahrens mdb_printf("with tag %lx", ref.ref_holder); 23349966ca11SMatthew Ahrens if (holder_is_str) 23359966ca11SMatthew Ahrens mdb_printf(" \"%s\"", holder_str); 23369966ca11SMatthew Ahrens mdb_printf(", held at:\n"); 23379966ca11SMatthew Ahrens 23389966ca11SMatthew Ahrens (void) mdb_call_dcmd("whatis", addr, DCMD_ADDRSPEC, 0, NULL); 23399966ca11SMatthew Ahrens 23409966ca11SMatthew Ahrens if (removed) { 23419966ca11SMatthew Ahrens mdb_printf("removed at:\n"); 2342d5ee8a13SMatthew Ahrens (void) mdb_call_dcmd("whatis", ref.ref_removed, 23439966ca11SMatthew Ahrens DCMD_ADDRSPEC, 0, NULL); 23449966ca11SMatthew Ahrens } 23459966ca11SMatthew Ahrens 23469966ca11SMatthew Ahrens mdb_printf("\n"); 23479966ca11SMatthew Ahrens 23489966ca11SMatthew Ahrens return (WALK_NEXT); 23499966ca11SMatthew Ahrens } 23509966ca11SMatthew Ahrens 2351d5ee8a13SMatthew Ahrens typedef struct mdb_refcount { 2352d5ee8a13SMatthew Ahrens uint64_t rc_count; 2353d5ee8a13SMatthew Ahrens } mdb_refcount_t; 2354d5ee8a13SMatthew Ahrens 2355d5ee8a13SMatthew Ahrens typedef struct mdb_refcount_removed { 2356d5ee8a13SMatthew Ahrens uint64_t rc_removed_count; 2357d5ee8a13SMatthew Ahrens } mdb_refcount_removed_t; 2358d5ee8a13SMatthew Ahrens 2359d5ee8a13SMatthew Ahrens typedef struct mdb_refcount_tracked { 2360d5ee8a13SMatthew Ahrens boolean_t rc_tracked; 2361d5ee8a13SMatthew Ahrens } mdb_refcount_tracked_t; 2362d5ee8a13SMatthew Ahrens 23639966ca11SMatthew Ahrens /* ARGSUSED */ 23649966ca11SMatthew Ahrens static int 23659966ca11SMatthew Ahrens refcount(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 23669966ca11SMatthew Ahrens { 2367d5ee8a13SMatthew Ahrens mdb_refcount_t rc; 2368d5ee8a13SMatthew Ahrens mdb_refcount_removed_t rcr; 2369d5ee8a13SMatthew Ahrens mdb_refcount_tracked_t rct; 2370d5ee8a13SMatthew Ahrens int off; 237128e4da25SMatthew Ahrens boolean_t released = B_FALSE; 23729966ca11SMatthew Ahrens 23739966ca11SMatthew Ahrens if (!(flags & DCMD_ADDRSPEC)) 23749966ca11SMatthew Ahrens return (DCMD_USAGE); 23759966ca11SMatthew Ahrens 237628e4da25SMatthew Ahrens if (mdb_getopts(argc, argv, 237728e4da25SMatthew Ahrens 'r', MDB_OPT_SETBITS, B_TRUE, &released, 237828e4da25SMatthew Ahrens NULL) != argc) 237928e4da25SMatthew Ahrens return (DCMD_USAGE); 238028e4da25SMatthew Ahrens 2381d5ee8a13SMatthew Ahrens if (mdb_ctf_vread(&rc, "refcount_t", "mdb_refcount_t", addr, 2382d5ee8a13SMatthew Ahrens 0) == -1) 23839966ca11SMatthew Ahrens return (DCMD_ERR); 23849966ca11SMatthew Ahrens 2385d5ee8a13SMatthew Ahrens if (mdb_ctf_vread(&rcr, "refcount_t", "mdb_refcount_removed_t", addr, 2386d5ee8a13SMatthew Ahrens MDB_CTF_VREAD_QUIET) == -1) { 2387d5ee8a13SMatthew Ahrens mdb_printf("refcount_t at %p has %llu holds (untracked)\n", 2388d5ee8a13SMatthew Ahrens addr, (longlong_t)rc.rc_count); 238928e4da25SMatthew Ahrens return (DCMD_OK); 239028e4da25SMatthew Ahrens } 239128e4da25SMatthew Ahrens 2392d5ee8a13SMatthew Ahrens if (mdb_ctf_vread(&rct, "refcount_t", "mdb_refcount_tracked_t", addr, 2393d5ee8a13SMatthew Ahrens MDB_CTF_VREAD_QUIET) == -1) { 2394d5ee8a13SMatthew Ahrens /* If this is an old target, it might be tracked. */ 2395d5ee8a13SMatthew Ahrens rct.rc_tracked = B_TRUE; 2396d5ee8a13SMatthew Ahrens } 2397d5ee8a13SMatthew Ahrens 23989966ca11SMatthew Ahrens mdb_printf("refcount_t at %p has %llu current holds, " 23999966ca11SMatthew Ahrens "%llu recently released holds\n", 2400d5ee8a13SMatthew Ahrens addr, (longlong_t)rc.rc_count, (longlong_t)rcr.rc_removed_count); 24019966ca11SMatthew Ahrens 2402d5ee8a13SMatthew Ahrens if (rct.rc_tracked && rc.rc_count > 0) 24039966ca11SMatthew Ahrens mdb_printf("current holds:\n"); 2404d5ee8a13SMatthew Ahrens off = mdb_ctf_offsetof_by_name("refcount_t", "rc_list"); 2405d5ee8a13SMatthew Ahrens if (off == -1) 24069966ca11SMatthew Ahrens return (DCMD_ERR); 2407d5ee8a13SMatthew Ahrens mdb_pwalk("list", reference_cb, (void*)B_FALSE, addr + off); 24089966ca11SMatthew Ahrens 2409d5ee8a13SMatthew Ahrens if (released && rcr.rc_removed_count > 0) { 24109966ca11SMatthew Ahrens mdb_printf("released holds:\n"); 2411d5ee8a13SMatthew Ahrens 2412d5ee8a13SMatthew Ahrens off = mdb_ctf_offsetof_by_name("refcount_t", "rc_removed"); 2413d5ee8a13SMatthew Ahrens if (off == -1) 24149966ca11SMatthew Ahrens return (DCMD_ERR); 2415d5ee8a13SMatthew Ahrens mdb_pwalk("list", reference_cb, (void*)B_FALSE, addr + off); 241628e4da25SMatthew Ahrens } 24179966ca11SMatthew Ahrens 24189966ca11SMatthew Ahrens return (DCMD_OK); 24199966ca11SMatthew Ahrens } 24209966ca11SMatthew Ahrens 24210a586ceaSMark Shellenbaum /* ARGSUSED */ 24220a586ceaSMark Shellenbaum static int 24230a586ceaSMark Shellenbaum sa_attr_table(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 24240a586ceaSMark Shellenbaum { 24250a586ceaSMark Shellenbaum sa_attr_table_t *table; 24260a586ceaSMark Shellenbaum sa_os_t sa_os; 24270a586ceaSMark Shellenbaum char *name; 24280a586ceaSMark Shellenbaum int i; 24290a586ceaSMark Shellenbaum 24300a586ceaSMark Shellenbaum if (mdb_vread(&sa_os, sizeof (sa_os_t), addr) == -1) { 24310a586ceaSMark Shellenbaum mdb_warn("failed to read sa_os at %p", addr); 24320a586ceaSMark Shellenbaum return (DCMD_ERR); 24330a586ceaSMark Shellenbaum } 24340a586ceaSMark Shellenbaum 24350a586ceaSMark Shellenbaum table = mdb_alloc(sizeof (sa_attr_table_t) * sa_os.sa_num_attrs, 24360a586ceaSMark Shellenbaum UM_SLEEP | UM_GC); 24370a586ceaSMark Shellenbaum name = mdb_alloc(MAXPATHLEN, UM_SLEEP | UM_GC); 24380a586ceaSMark Shellenbaum 24390a586ceaSMark Shellenbaum if (mdb_vread(table, sizeof (sa_attr_table_t) * sa_os.sa_num_attrs, 24400a586ceaSMark Shellenbaum (uintptr_t)sa_os.sa_attr_table) == -1) { 24410a586ceaSMark Shellenbaum mdb_warn("failed to read sa_os at %p", addr); 24420a586ceaSMark Shellenbaum return (DCMD_ERR); 24430a586ceaSMark Shellenbaum } 24440a586ceaSMark Shellenbaum 24450a586ceaSMark Shellenbaum mdb_printf("%<u>%-10s %-10s %-10s %-10s %s%</u>\n", 24460a586ceaSMark Shellenbaum "ATTR ID", "REGISTERED", "LENGTH", "BSWAP", "NAME"); 24470a586ceaSMark Shellenbaum for (i = 0; i != sa_os.sa_num_attrs; i++) { 24480a586ceaSMark Shellenbaum mdb_readstr(name, MAXPATHLEN, (uintptr_t)table[i].sa_name); 24490a586ceaSMark Shellenbaum mdb_printf("%5x %8x %8x %8x %-s\n", 24500a586ceaSMark Shellenbaum (int)table[i].sa_attr, (int)table[i].sa_registered, 24510a586ceaSMark Shellenbaum (int)table[i].sa_length, table[i].sa_byteswap, name); 24520a586ceaSMark Shellenbaum } 24530a586ceaSMark Shellenbaum 24540a586ceaSMark Shellenbaum return (DCMD_OK); 24550a586ceaSMark Shellenbaum } 24560a586ceaSMark Shellenbaum 24570a586ceaSMark Shellenbaum static int 24580a586ceaSMark Shellenbaum sa_get_off_table(uintptr_t addr, uint32_t **off_tab, int attr_count) 24590a586ceaSMark Shellenbaum { 24600a586ceaSMark Shellenbaum uintptr_t idx_table; 24610a586ceaSMark Shellenbaum 246228e4da25SMatthew Ahrens if (GETMEMB(addr, "sa_idx_tab", sa_idx_tab, idx_table)) { 24630a586ceaSMark Shellenbaum mdb_printf("can't find offset table in sa_idx_tab\n"); 24640a586ceaSMark Shellenbaum return (-1); 24650a586ceaSMark Shellenbaum } 24660a586ceaSMark Shellenbaum 24670a586ceaSMark Shellenbaum *off_tab = mdb_alloc(attr_count * sizeof (uint32_t), 24680a586ceaSMark Shellenbaum UM_SLEEP | UM_GC); 24690a586ceaSMark Shellenbaum 24700a586ceaSMark Shellenbaum if (mdb_vread(*off_tab, 24710a586ceaSMark Shellenbaum attr_count * sizeof (uint32_t), idx_table) == -1) { 24720a586ceaSMark Shellenbaum mdb_warn("failed to attribute offset table %p", idx_table); 24730a586ceaSMark Shellenbaum return (-1); 24740a586ceaSMark Shellenbaum } 24750a586ceaSMark Shellenbaum 24760a586ceaSMark Shellenbaum return (DCMD_OK); 24770a586ceaSMark Shellenbaum } 24780a586ceaSMark Shellenbaum 24790a586ceaSMark Shellenbaum /*ARGSUSED*/ 24800a586ceaSMark Shellenbaum static int 24810a586ceaSMark Shellenbaum sa_attr_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 24820a586ceaSMark Shellenbaum { 24830a586ceaSMark Shellenbaum uint32_t *offset_tab; 24840a586ceaSMark Shellenbaum int attr_count; 24850a586ceaSMark Shellenbaum uint64_t attr_id; 24860a586ceaSMark Shellenbaum uintptr_t attr_addr; 24870a586ceaSMark Shellenbaum uintptr_t bonus_tab, spill_tab; 24880a586ceaSMark Shellenbaum uintptr_t db_bonus, db_spill; 24890a586ceaSMark Shellenbaum uintptr_t os, os_sa; 24900a586ceaSMark Shellenbaum uintptr_t db_data; 24910a586ceaSMark Shellenbaum 24920a586ceaSMark Shellenbaum if (argc != 1) 24930a586ceaSMark Shellenbaum return (DCMD_USAGE); 24940a586ceaSMark Shellenbaum 24950a586ceaSMark Shellenbaum if (argv[0].a_type == MDB_TYPE_STRING) 24960a586ceaSMark Shellenbaum attr_id = mdb_strtoull(argv[0].a_un.a_str); 24970a586ceaSMark Shellenbaum else 24980a586ceaSMark Shellenbaum return (DCMD_USAGE); 24990a586ceaSMark Shellenbaum 250028e4da25SMatthew Ahrens if (GETMEMB(addr, "sa_handle", sa_bonus_tab, bonus_tab) || 250128e4da25SMatthew Ahrens GETMEMB(addr, "sa_handle", sa_spill_tab, spill_tab) || 250228e4da25SMatthew Ahrens GETMEMB(addr, "sa_handle", sa_os, os) || 250328e4da25SMatthew Ahrens GETMEMB(addr, "sa_handle", sa_bonus, db_bonus) || 250428e4da25SMatthew Ahrens GETMEMB(addr, "sa_handle", sa_spill, db_spill)) { 25050a586ceaSMark Shellenbaum mdb_printf("Can't find necessary information in sa_handle " 25060a586ceaSMark Shellenbaum "in sa_handle\n"); 25070a586ceaSMark Shellenbaum return (DCMD_ERR); 25080a586ceaSMark Shellenbaum } 25090a586ceaSMark Shellenbaum 251028e4da25SMatthew Ahrens if (GETMEMB(os, "objset", os_sa, os_sa)) { 25110a586ceaSMark Shellenbaum mdb_printf("Can't find os_sa in objset\n"); 25120a586ceaSMark Shellenbaum return (DCMD_ERR); 25130a586ceaSMark Shellenbaum } 25140a586ceaSMark Shellenbaum 251528e4da25SMatthew Ahrens if (GETMEMB(os_sa, "sa_os", sa_num_attrs, attr_count)) { 25160a586ceaSMark Shellenbaum mdb_printf("Can't find sa_num_attrs\n"); 25170a586ceaSMark Shellenbaum return (DCMD_ERR); 25180a586ceaSMark Shellenbaum } 25190a586ceaSMark Shellenbaum 25200a586ceaSMark Shellenbaum if (attr_id > attr_count) { 25210a586ceaSMark Shellenbaum mdb_printf("attribute id number is out of range\n"); 25220a586ceaSMark Shellenbaum return (DCMD_ERR); 25230a586ceaSMark Shellenbaum } 25240a586ceaSMark Shellenbaum 25250a586ceaSMark Shellenbaum if (bonus_tab) { 25260a586ceaSMark Shellenbaum if (sa_get_off_table(bonus_tab, &offset_tab, 25270a586ceaSMark Shellenbaum attr_count) == -1) { 25280a586ceaSMark Shellenbaum return (DCMD_ERR); 25290a586ceaSMark Shellenbaum } 25300a586ceaSMark Shellenbaum 253128e4da25SMatthew Ahrens if (GETMEMB(db_bonus, "dmu_buf", db_data, db_data)) { 25320a586ceaSMark Shellenbaum mdb_printf("can't find db_data in bonus dbuf\n"); 25330a586ceaSMark Shellenbaum return (DCMD_ERR); 25340a586ceaSMark Shellenbaum } 25350a586ceaSMark Shellenbaum } 25360a586ceaSMark Shellenbaum 25370a586ceaSMark Shellenbaum if (bonus_tab && !TOC_ATTR_PRESENT(offset_tab[attr_id]) && 25380a586ceaSMark Shellenbaum spill_tab == NULL) { 25390a586ceaSMark Shellenbaum mdb_printf("Attribute does not exist\n"); 25400a586ceaSMark Shellenbaum return (DCMD_ERR); 25410a586ceaSMark Shellenbaum } else if (!TOC_ATTR_PRESENT(offset_tab[attr_id]) && spill_tab) { 25420a586ceaSMark Shellenbaum if (sa_get_off_table(spill_tab, &offset_tab, 25430a586ceaSMark Shellenbaum attr_count) == -1) { 25440a586ceaSMark Shellenbaum return (DCMD_ERR); 25450a586ceaSMark Shellenbaum } 254628e4da25SMatthew Ahrens if (GETMEMB(db_spill, "dmu_buf", db_data, db_data)) { 25470a586ceaSMark Shellenbaum mdb_printf("can't find db_data in spill dbuf\n"); 25480a586ceaSMark Shellenbaum return (DCMD_ERR); 25490a586ceaSMark Shellenbaum } 25500a586ceaSMark Shellenbaum if (!TOC_ATTR_PRESENT(offset_tab[attr_id])) { 25510a586ceaSMark Shellenbaum mdb_printf("Attribute does not exist\n"); 25520a586ceaSMark Shellenbaum return (DCMD_ERR); 25530a586ceaSMark Shellenbaum } 25540a586ceaSMark Shellenbaum } 25550a586ceaSMark Shellenbaum attr_addr = db_data + TOC_OFF(offset_tab[attr_id]); 25560a586ceaSMark Shellenbaum mdb_printf("%p\n", attr_addr); 25570a586ceaSMark Shellenbaum return (DCMD_OK); 25580a586ceaSMark Shellenbaum } 25590a586ceaSMark Shellenbaum 25600a586ceaSMark Shellenbaum /* ARGSUSED */ 25610a586ceaSMark Shellenbaum static int 25620a586ceaSMark Shellenbaum zfs_ace_print_common(uintptr_t addr, uint_t flags, 25630a586ceaSMark Shellenbaum uint64_t id, uint32_t access_mask, uint16_t ace_flags, 25640a586ceaSMark Shellenbaum uint16_t ace_type, int verbose) 25650a586ceaSMark Shellenbaum { 25660a586ceaSMark Shellenbaum if (DCMD_HDRSPEC(flags) && !verbose) 25670a586ceaSMark Shellenbaum mdb_printf("%<u>%-?s %-8s %-8s %-8s %s%</u>\n", 25680a586ceaSMark Shellenbaum "ADDR", "FLAGS", "MASK", "TYPE", "ID"); 25690a586ceaSMark Shellenbaum 25700a586ceaSMark Shellenbaum if (!verbose) { 25710a586ceaSMark Shellenbaum mdb_printf("%0?p %-8x %-8x %-8x %-llx\n", addr, 25720a586ceaSMark Shellenbaum ace_flags, access_mask, ace_type, id); 25730a586ceaSMark Shellenbaum return (DCMD_OK); 25740a586ceaSMark Shellenbaum } 25750a586ceaSMark Shellenbaum 25760a586ceaSMark Shellenbaum switch (ace_flags & ACE_TYPE_FLAGS) { 25770a586ceaSMark Shellenbaum case ACE_OWNER: 25780a586ceaSMark Shellenbaum mdb_printf("owner@:"); 25790a586ceaSMark Shellenbaum break; 25800a586ceaSMark Shellenbaum case (ACE_IDENTIFIER_GROUP | ACE_GROUP): 25810a586ceaSMark Shellenbaum mdb_printf("group@:"); 25820a586ceaSMark Shellenbaum break; 25830a586ceaSMark Shellenbaum case ACE_EVERYONE: 25840a586ceaSMark Shellenbaum mdb_printf("everyone@:"); 25850a586ceaSMark Shellenbaum break; 25860a586ceaSMark Shellenbaum case ACE_IDENTIFIER_GROUP: 25870a586ceaSMark Shellenbaum mdb_printf("group:%llx:", (u_longlong_t)id); 25880a586ceaSMark Shellenbaum break; 25890a586ceaSMark Shellenbaum case 0: /* User entry */ 25900a586ceaSMark Shellenbaum mdb_printf("user:%llx:", (u_longlong_t)id); 25910a586ceaSMark Shellenbaum break; 25920a586ceaSMark Shellenbaum } 25930a586ceaSMark Shellenbaum 25940a586ceaSMark Shellenbaum /* print out permission mask */ 25950a586ceaSMark Shellenbaum if (access_mask & ACE_READ_DATA) 25960a586ceaSMark Shellenbaum mdb_printf("r"); 25970a586ceaSMark Shellenbaum else 25980a586ceaSMark Shellenbaum mdb_printf("-"); 25990a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_DATA) 26000a586ceaSMark Shellenbaum mdb_printf("w"); 26010a586ceaSMark Shellenbaum else 26020a586ceaSMark Shellenbaum mdb_printf("-"); 26030a586ceaSMark Shellenbaum if (access_mask & ACE_EXECUTE) 26040a586ceaSMark Shellenbaum mdb_printf("x"); 26050a586ceaSMark Shellenbaum else 26060a586ceaSMark Shellenbaum mdb_printf("-"); 26070a586ceaSMark Shellenbaum if (access_mask & ACE_APPEND_DATA) 26080a586ceaSMark Shellenbaum mdb_printf("p"); 26090a586ceaSMark Shellenbaum else 26100a586ceaSMark Shellenbaum mdb_printf("-"); 26110a586ceaSMark Shellenbaum if (access_mask & ACE_DELETE) 26120a586ceaSMark Shellenbaum mdb_printf("d"); 26130a586ceaSMark Shellenbaum else 26140a586ceaSMark Shellenbaum mdb_printf("-"); 26150a586ceaSMark Shellenbaum if (access_mask & ACE_DELETE_CHILD) 26160a586ceaSMark Shellenbaum mdb_printf("D"); 26170a586ceaSMark Shellenbaum else 26180a586ceaSMark Shellenbaum mdb_printf("-"); 26190a586ceaSMark Shellenbaum if (access_mask & ACE_READ_ATTRIBUTES) 26200a586ceaSMark Shellenbaum mdb_printf("a"); 26210a586ceaSMark Shellenbaum else 26220a586ceaSMark Shellenbaum mdb_printf("-"); 26230a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_ATTRIBUTES) 26240a586ceaSMark Shellenbaum mdb_printf("A"); 26250a586ceaSMark Shellenbaum else 26260a586ceaSMark Shellenbaum mdb_printf("-"); 26270a586ceaSMark Shellenbaum if (access_mask & ACE_READ_NAMED_ATTRS) 26280a586ceaSMark Shellenbaum mdb_printf("R"); 26290a586ceaSMark Shellenbaum else 26300a586ceaSMark Shellenbaum mdb_printf("-"); 26310a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_NAMED_ATTRS) 26320a586ceaSMark Shellenbaum mdb_printf("W"); 26330a586ceaSMark Shellenbaum else 26340a586ceaSMark Shellenbaum mdb_printf("-"); 26350a586ceaSMark Shellenbaum if (access_mask & ACE_READ_ACL) 26360a586ceaSMark Shellenbaum mdb_printf("c"); 26370a586ceaSMark Shellenbaum else 26380a586ceaSMark Shellenbaum mdb_printf("-"); 26390a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_ACL) 26400a586ceaSMark Shellenbaum mdb_printf("C"); 26410a586ceaSMark Shellenbaum else 26420a586ceaSMark Shellenbaum mdb_printf("-"); 26430a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_OWNER) 26440a586ceaSMark Shellenbaum mdb_printf("o"); 26450a586ceaSMark Shellenbaum else 26460a586ceaSMark Shellenbaum mdb_printf("-"); 26470a586ceaSMark Shellenbaum if (access_mask & ACE_SYNCHRONIZE) 26480a586ceaSMark Shellenbaum mdb_printf("s"); 26490a586ceaSMark Shellenbaum else 26500a586ceaSMark Shellenbaum mdb_printf("-"); 26510a586ceaSMark Shellenbaum 26520a586ceaSMark Shellenbaum mdb_printf(":"); 26530a586ceaSMark Shellenbaum 26540a586ceaSMark Shellenbaum /* Print out inheritance flags */ 26550a586ceaSMark Shellenbaum if (ace_flags & ACE_FILE_INHERIT_ACE) 26560a586ceaSMark Shellenbaum mdb_printf("f"); 26570a586ceaSMark Shellenbaum else 26580a586ceaSMark Shellenbaum mdb_printf("-"); 26590a586ceaSMark Shellenbaum if (ace_flags & ACE_DIRECTORY_INHERIT_ACE) 26600a586ceaSMark Shellenbaum mdb_printf("d"); 26610a586ceaSMark Shellenbaum else 26620a586ceaSMark Shellenbaum mdb_printf("-"); 26630a586ceaSMark Shellenbaum if (ace_flags & ACE_INHERIT_ONLY_ACE) 26640a586ceaSMark Shellenbaum mdb_printf("i"); 26650a586ceaSMark Shellenbaum else 26660a586ceaSMark Shellenbaum mdb_printf("-"); 26670a586ceaSMark Shellenbaum if (ace_flags & ACE_NO_PROPAGATE_INHERIT_ACE) 26680a586ceaSMark Shellenbaum mdb_printf("n"); 26690a586ceaSMark Shellenbaum else 26700a586ceaSMark Shellenbaum mdb_printf("-"); 26710a586ceaSMark Shellenbaum if (ace_flags & ACE_SUCCESSFUL_ACCESS_ACE_FLAG) 26720a586ceaSMark Shellenbaum mdb_printf("S"); 26730a586ceaSMark Shellenbaum else 26740a586ceaSMark Shellenbaum mdb_printf("-"); 26750a586ceaSMark Shellenbaum if (ace_flags & ACE_FAILED_ACCESS_ACE_FLAG) 26760a586ceaSMark Shellenbaum mdb_printf("F"); 26770a586ceaSMark Shellenbaum else 26780a586ceaSMark Shellenbaum mdb_printf("-"); 26790a586ceaSMark Shellenbaum if (ace_flags & ACE_INHERITED_ACE) 26800a586ceaSMark Shellenbaum mdb_printf("I"); 26810a586ceaSMark Shellenbaum else 26820a586ceaSMark Shellenbaum mdb_printf("-"); 26830a586ceaSMark Shellenbaum 26840a586ceaSMark Shellenbaum switch (ace_type) { 26850a586ceaSMark Shellenbaum case ACE_ACCESS_ALLOWED_ACE_TYPE: 26860a586ceaSMark Shellenbaum mdb_printf(":allow\n"); 26870a586ceaSMark Shellenbaum break; 26880a586ceaSMark Shellenbaum case ACE_ACCESS_DENIED_ACE_TYPE: 26890a586ceaSMark Shellenbaum mdb_printf(":deny\n"); 26900a586ceaSMark Shellenbaum break; 26910a586ceaSMark Shellenbaum case ACE_SYSTEM_AUDIT_ACE_TYPE: 26920a586ceaSMark Shellenbaum mdb_printf(":audit\n"); 26930a586ceaSMark Shellenbaum break; 26940a586ceaSMark Shellenbaum case ACE_SYSTEM_ALARM_ACE_TYPE: 26950a586ceaSMark Shellenbaum mdb_printf(":alarm\n"); 26960a586ceaSMark Shellenbaum break; 26970a586ceaSMark Shellenbaum default: 26980a586ceaSMark Shellenbaum mdb_printf(":?\n"); 26990a586ceaSMark Shellenbaum } 27000a586ceaSMark Shellenbaum return (DCMD_OK); 27010a586ceaSMark Shellenbaum } 27020a586ceaSMark Shellenbaum 27030a586ceaSMark Shellenbaum /* ARGSUSED */ 27040a586ceaSMark Shellenbaum static int 27050a586ceaSMark Shellenbaum zfs_ace_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 27060a586ceaSMark Shellenbaum { 27070a586ceaSMark Shellenbaum zfs_ace_t zace; 27080a586ceaSMark Shellenbaum int verbose = FALSE; 27090a586ceaSMark Shellenbaum uint64_t id; 27100a586ceaSMark Shellenbaum 27110a586ceaSMark Shellenbaum if (!(flags & DCMD_ADDRSPEC)) 27120a586ceaSMark Shellenbaum return (DCMD_USAGE); 27130a586ceaSMark Shellenbaum 27140a586ceaSMark Shellenbaum if (mdb_getopts(argc, argv, 27150a586ceaSMark Shellenbaum 'v', MDB_OPT_SETBITS, TRUE, &verbose, TRUE, NULL) != argc) 27160a586ceaSMark Shellenbaum return (DCMD_USAGE); 27170a586ceaSMark Shellenbaum 27180a586ceaSMark Shellenbaum if (mdb_vread(&zace, sizeof (zfs_ace_t), addr) == -1) { 27190a586ceaSMark Shellenbaum mdb_warn("failed to read zfs_ace_t"); 27200a586ceaSMark Shellenbaum return (DCMD_ERR); 27210a586ceaSMark Shellenbaum } 27220a586ceaSMark Shellenbaum 27230a586ceaSMark Shellenbaum if ((zace.z_hdr.z_flags & ACE_TYPE_FLAGS) == 0 || 27240a586ceaSMark Shellenbaum (zace.z_hdr.z_flags & ACE_TYPE_FLAGS) == ACE_IDENTIFIER_GROUP) 27250a586ceaSMark Shellenbaum id = zace.z_fuid; 27260a586ceaSMark Shellenbaum else 27270a586ceaSMark Shellenbaum id = -1; 27280a586ceaSMark Shellenbaum 27290a586ceaSMark Shellenbaum return (zfs_ace_print_common(addr, flags, id, zace.z_hdr.z_access_mask, 27300a586ceaSMark Shellenbaum zace.z_hdr.z_flags, zace.z_hdr.z_type, verbose)); 27310a586ceaSMark Shellenbaum } 27320a586ceaSMark Shellenbaum 27330a586ceaSMark Shellenbaum /* ARGSUSED */ 27340a586ceaSMark Shellenbaum static int 27350a586ceaSMark Shellenbaum zfs_ace0_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 27360a586ceaSMark Shellenbaum { 27370a586ceaSMark Shellenbaum ace_t ace; 27380a586ceaSMark Shellenbaum uint64_t id; 27390a586ceaSMark Shellenbaum int verbose = FALSE; 27400a586ceaSMark Shellenbaum 27410a586ceaSMark Shellenbaum if (!(flags & DCMD_ADDRSPEC)) 27420a586ceaSMark Shellenbaum return (DCMD_USAGE); 27430a586ceaSMark Shellenbaum 27440a586ceaSMark Shellenbaum if (mdb_getopts(argc, argv, 27450a586ceaSMark Shellenbaum 'v', MDB_OPT_SETBITS, TRUE, &verbose, TRUE, NULL) != argc) 27460a586ceaSMark Shellenbaum return (DCMD_USAGE); 27470a586ceaSMark Shellenbaum 27480a586ceaSMark Shellenbaum if (mdb_vread(&ace, sizeof (ace_t), addr) == -1) { 27490a586ceaSMark Shellenbaum mdb_warn("failed to read ace_t"); 27500a586ceaSMark Shellenbaum return (DCMD_ERR); 27510a586ceaSMark Shellenbaum } 27520a586ceaSMark Shellenbaum 27530a586ceaSMark Shellenbaum if ((ace.a_flags & ACE_TYPE_FLAGS) == 0 || 27540a586ceaSMark Shellenbaum (ace.a_flags & ACE_TYPE_FLAGS) == ACE_IDENTIFIER_GROUP) 27550a586ceaSMark Shellenbaum id = ace.a_who; 27560a586ceaSMark Shellenbaum else 27570a586ceaSMark Shellenbaum id = -1; 27580a586ceaSMark Shellenbaum 27590a586ceaSMark Shellenbaum return (zfs_ace_print_common(addr, flags, id, ace.a_access_mask, 27600a586ceaSMark Shellenbaum ace.a_flags, ace.a_type, verbose)); 27610a586ceaSMark Shellenbaum } 27620a586ceaSMark Shellenbaum 27630a586ceaSMark Shellenbaum typedef struct acl_dump_args { 27640a586ceaSMark Shellenbaum int a_argc; 27650a586ceaSMark Shellenbaum const mdb_arg_t *a_argv; 27660a586ceaSMark Shellenbaum uint16_t a_version; 27670a586ceaSMark Shellenbaum int a_flags; 27680a586ceaSMark Shellenbaum } acl_dump_args_t; 27690a586ceaSMark Shellenbaum 27700a586ceaSMark Shellenbaum /* ARGSUSED */ 27710a586ceaSMark Shellenbaum static int 27720a586ceaSMark Shellenbaum acl_aces_cb(uintptr_t addr, const void *unknown, void *arg) 27730a586ceaSMark Shellenbaum { 27740a586ceaSMark Shellenbaum acl_dump_args_t *acl_args = (acl_dump_args_t *)arg; 27750a586ceaSMark Shellenbaum 27760a586ceaSMark Shellenbaum if (acl_args->a_version == 1) { 27770a586ceaSMark Shellenbaum if (mdb_call_dcmd("zfs_ace", addr, 27780a586ceaSMark Shellenbaum DCMD_ADDRSPEC|acl_args->a_flags, acl_args->a_argc, 27790a586ceaSMark Shellenbaum acl_args->a_argv) != DCMD_OK) { 27800a586ceaSMark Shellenbaum return (WALK_ERR); 27810a586ceaSMark Shellenbaum } 27820a586ceaSMark Shellenbaum } else { 27830a586ceaSMark Shellenbaum if (mdb_call_dcmd("zfs_ace0", addr, 27840a586ceaSMark Shellenbaum DCMD_ADDRSPEC|acl_args->a_flags, acl_args->a_argc, 27850a586ceaSMark Shellenbaum acl_args->a_argv) != DCMD_OK) { 27860a586ceaSMark Shellenbaum return (WALK_ERR); 27870a586ceaSMark Shellenbaum } 27880a586ceaSMark Shellenbaum } 27890a586ceaSMark Shellenbaum acl_args->a_flags = DCMD_LOOP; 27900a586ceaSMark Shellenbaum return (WALK_NEXT); 27910a586ceaSMark Shellenbaum } 27920a586ceaSMark Shellenbaum 27930a586ceaSMark Shellenbaum /* ARGSUSED */ 27940a586ceaSMark Shellenbaum static int 27950a586ceaSMark Shellenbaum acl_cb(uintptr_t addr, const void *unknown, void *arg) 27960a586ceaSMark Shellenbaum { 27970a586ceaSMark Shellenbaum acl_dump_args_t *acl_args = (acl_dump_args_t *)arg; 27980a586ceaSMark Shellenbaum 27990a586ceaSMark Shellenbaum if (acl_args->a_version == 1) { 28000a586ceaSMark Shellenbaum if (mdb_pwalk("zfs_acl_node_aces", acl_aces_cb, 28010a586ceaSMark Shellenbaum arg, addr) != 0) { 28020a586ceaSMark Shellenbaum mdb_warn("can't walk ACEs"); 28030a586ceaSMark Shellenbaum return (DCMD_ERR); 28040a586ceaSMark Shellenbaum } 28050a586ceaSMark Shellenbaum } else { 28060a586ceaSMark Shellenbaum if (mdb_pwalk("zfs_acl_node_aces0", acl_aces_cb, 28070a586ceaSMark Shellenbaum arg, addr) != 0) { 28080a586ceaSMark Shellenbaum mdb_warn("can't walk ACEs"); 28090a586ceaSMark Shellenbaum return (DCMD_ERR); 28100a586ceaSMark Shellenbaum } 28110a586ceaSMark Shellenbaum } 28120a586ceaSMark Shellenbaum return (WALK_NEXT); 28130a586ceaSMark Shellenbaum } 28140a586ceaSMark Shellenbaum 28150a586ceaSMark Shellenbaum /* ARGSUSED */ 28160a586ceaSMark Shellenbaum static int 28170a586ceaSMark Shellenbaum zfs_acl_dump(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 28180a586ceaSMark Shellenbaum { 28190a586ceaSMark Shellenbaum zfs_acl_t zacl; 28200a586ceaSMark Shellenbaum int verbose = FALSE; 28210a586ceaSMark Shellenbaum acl_dump_args_t acl_args; 28220a586ceaSMark Shellenbaum 28230a586ceaSMark Shellenbaum if (!(flags & DCMD_ADDRSPEC)) 28240a586ceaSMark Shellenbaum return (DCMD_USAGE); 28250a586ceaSMark Shellenbaum 28260a586ceaSMark Shellenbaum if (mdb_getopts(argc, argv, 28270a586ceaSMark Shellenbaum 'v', MDB_OPT_SETBITS, TRUE, &verbose, TRUE, NULL) != argc) 28280a586ceaSMark Shellenbaum return (DCMD_USAGE); 28290a586ceaSMark Shellenbaum 28300a586ceaSMark Shellenbaum if (mdb_vread(&zacl, sizeof (zfs_acl_t), addr) == -1) { 28310a586ceaSMark Shellenbaum mdb_warn("failed to read zfs_acl_t"); 28320a586ceaSMark Shellenbaum return (DCMD_ERR); 28330a586ceaSMark Shellenbaum } 28340a586ceaSMark Shellenbaum 28350a586ceaSMark Shellenbaum acl_args.a_argc = argc; 28360a586ceaSMark Shellenbaum acl_args.a_argv = argv; 28370a586ceaSMark Shellenbaum acl_args.a_version = zacl.z_version; 28380a586ceaSMark Shellenbaum acl_args.a_flags = DCMD_LOOPFIRST; 28390a586ceaSMark Shellenbaum 28400a586ceaSMark Shellenbaum if (mdb_pwalk("zfs_acl_node", acl_cb, &acl_args, addr) != 0) { 28410a586ceaSMark Shellenbaum mdb_warn("can't walk ACL"); 28420a586ceaSMark Shellenbaum return (DCMD_ERR); 28430a586ceaSMark Shellenbaum } 28440a586ceaSMark Shellenbaum 28450a586ceaSMark Shellenbaum return (DCMD_OK); 28460a586ceaSMark Shellenbaum } 28470a586ceaSMark Shellenbaum 28480a586ceaSMark Shellenbaum /* ARGSUSED */ 28490a586ceaSMark Shellenbaum static int 28500a586ceaSMark Shellenbaum zfs_acl_node_walk_init(mdb_walk_state_t *wsp) 28510a586ceaSMark Shellenbaum { 28520a586ceaSMark Shellenbaum if (wsp->walk_addr == NULL) { 28530a586ceaSMark Shellenbaum mdb_warn("must supply address of zfs_acl_node_t\n"); 28540a586ceaSMark Shellenbaum return (WALK_ERR); 28550a586ceaSMark Shellenbaum } 28560a586ceaSMark Shellenbaum 285728e4da25SMatthew Ahrens wsp->walk_addr += 285828e4da25SMatthew Ahrens mdb_ctf_offsetof_by_name(ZFS_STRUCT "zfs_acl", "z_acl"); 28590a586ceaSMark Shellenbaum 28600a586ceaSMark Shellenbaum if (mdb_layered_walk("list", wsp) == -1) { 28610a586ceaSMark Shellenbaum mdb_warn("failed to walk 'list'\n"); 28620a586ceaSMark Shellenbaum return (WALK_ERR); 28630a586ceaSMark Shellenbaum } 28640a586ceaSMark Shellenbaum 28650a586ceaSMark Shellenbaum return (WALK_NEXT); 28660a586ceaSMark Shellenbaum } 28670a586ceaSMark Shellenbaum 28680a586ceaSMark Shellenbaum static int 28690a586ceaSMark Shellenbaum zfs_acl_node_walk_step(mdb_walk_state_t *wsp) 28700a586ceaSMark Shellenbaum { 28710a586ceaSMark Shellenbaum zfs_acl_node_t aclnode; 28720a586ceaSMark Shellenbaum 28730a586ceaSMark Shellenbaum if (mdb_vread(&aclnode, sizeof (zfs_acl_node_t), 28740a586ceaSMark Shellenbaum wsp->walk_addr) == -1) { 28750a586ceaSMark Shellenbaum mdb_warn("failed to read zfs_acl_node at %p", wsp->walk_addr); 28760a586ceaSMark Shellenbaum return (WALK_ERR); 28770a586ceaSMark Shellenbaum } 28780a586ceaSMark Shellenbaum 28790a586ceaSMark Shellenbaum return (wsp->walk_callback(wsp->walk_addr, &aclnode, wsp->walk_cbdata)); 28800a586ceaSMark Shellenbaum } 28810a586ceaSMark Shellenbaum 28820a586ceaSMark Shellenbaum typedef struct ace_walk_data { 28830a586ceaSMark Shellenbaum int ace_count; 28840a586ceaSMark Shellenbaum int ace_version; 28850a586ceaSMark Shellenbaum } ace_walk_data_t; 28860a586ceaSMark Shellenbaum 28870a586ceaSMark Shellenbaum static int 28880a586ceaSMark Shellenbaum zfs_aces_walk_init_common(mdb_walk_state_t *wsp, int version, 28890a586ceaSMark Shellenbaum int ace_count, uintptr_t ace_data) 28900a586ceaSMark Shellenbaum { 28910a586ceaSMark Shellenbaum ace_walk_data_t *ace_walk_data; 28920a586ceaSMark Shellenbaum 28930a586ceaSMark Shellenbaum if (wsp->walk_addr == NULL) { 28940a586ceaSMark Shellenbaum mdb_warn("must supply address of zfs_acl_node_t\n"); 28950a586ceaSMark Shellenbaum return (WALK_ERR); 28960a586ceaSMark Shellenbaum } 28970a586ceaSMark Shellenbaum 28980a586ceaSMark Shellenbaum ace_walk_data = mdb_alloc(sizeof (ace_walk_data_t), UM_SLEEP | UM_GC); 28990a586ceaSMark Shellenbaum 29000a586ceaSMark Shellenbaum ace_walk_data->ace_count = ace_count; 29010a586ceaSMark Shellenbaum ace_walk_data->ace_version = version; 29020a586ceaSMark Shellenbaum 29030a586ceaSMark Shellenbaum wsp->walk_addr = ace_data; 29040a586ceaSMark Shellenbaum wsp->walk_data = ace_walk_data; 29050a586ceaSMark Shellenbaum 29060a586ceaSMark Shellenbaum return (WALK_NEXT); 29070a586ceaSMark Shellenbaum } 29080a586ceaSMark Shellenbaum 29090a586ceaSMark Shellenbaum static int 29100a586ceaSMark Shellenbaum zfs_acl_node_aces_walk_init_common(mdb_walk_state_t *wsp, int version) 29110a586ceaSMark Shellenbaum { 29120a586ceaSMark Shellenbaum static int gotid; 29130a586ceaSMark Shellenbaum static mdb_ctf_id_t acl_id; 29140a586ceaSMark Shellenbaum int z_ace_count; 29150a586ceaSMark Shellenbaum uintptr_t z_acldata; 29160a586ceaSMark Shellenbaum 29170a586ceaSMark Shellenbaum if (!gotid) { 29180a586ceaSMark Shellenbaum if (mdb_ctf_lookup_by_name("struct zfs_acl_node", 29190a586ceaSMark Shellenbaum &acl_id) == -1) { 29200a586ceaSMark Shellenbaum mdb_warn("couldn't find struct zfs_acl_node"); 29210a586ceaSMark Shellenbaum return (DCMD_ERR); 29220a586ceaSMark Shellenbaum } 29230a586ceaSMark Shellenbaum gotid = TRUE; 29240a586ceaSMark Shellenbaum } 29250a586ceaSMark Shellenbaum 29260a586ceaSMark Shellenbaum if (GETMEMBID(wsp->walk_addr, &acl_id, z_ace_count, z_ace_count)) { 29270a586ceaSMark Shellenbaum return (DCMD_ERR); 29280a586ceaSMark Shellenbaum } 29290a586ceaSMark Shellenbaum if (GETMEMBID(wsp->walk_addr, &acl_id, z_acldata, z_acldata)) { 29300a586ceaSMark Shellenbaum return (DCMD_ERR); 29310a586ceaSMark Shellenbaum } 29320a586ceaSMark Shellenbaum 29330a586ceaSMark Shellenbaum return (zfs_aces_walk_init_common(wsp, version, 29340a586ceaSMark Shellenbaum z_ace_count, z_acldata)); 29350a586ceaSMark Shellenbaum } 29360a586ceaSMark Shellenbaum 29370a586ceaSMark Shellenbaum /* ARGSUSED */ 29380a586ceaSMark Shellenbaum static int 29390a586ceaSMark Shellenbaum zfs_acl_node_aces_walk_init(mdb_walk_state_t *wsp) 29400a586ceaSMark Shellenbaum { 29410a586ceaSMark Shellenbaum return (zfs_acl_node_aces_walk_init_common(wsp, 1)); 29420a586ceaSMark Shellenbaum } 29430a586ceaSMark Shellenbaum 29440a586ceaSMark Shellenbaum /* ARGSUSED */ 29450a586ceaSMark Shellenbaum static int 29460a586ceaSMark Shellenbaum zfs_acl_node_aces0_walk_init(mdb_walk_state_t *wsp) 29470a586ceaSMark Shellenbaum { 29480a586ceaSMark Shellenbaum return (zfs_acl_node_aces_walk_init_common(wsp, 0)); 29490a586ceaSMark Shellenbaum } 29500a586ceaSMark Shellenbaum 29510a586ceaSMark Shellenbaum static int 29520a586ceaSMark Shellenbaum zfs_aces_walk_step(mdb_walk_state_t *wsp) 29530a586ceaSMark Shellenbaum { 29540a586ceaSMark Shellenbaum ace_walk_data_t *ace_data = wsp->walk_data; 29550a586ceaSMark Shellenbaum zfs_ace_t zace; 29560a586ceaSMark Shellenbaum ace_t *acep; 29570a586ceaSMark Shellenbaum int status; 29580a586ceaSMark Shellenbaum int entry_type; 29590a586ceaSMark Shellenbaum int allow_type; 29600a586ceaSMark Shellenbaum uintptr_t ptr; 29610a586ceaSMark Shellenbaum 29620a586ceaSMark Shellenbaum if (ace_data->ace_count == 0) 29630a586ceaSMark Shellenbaum return (WALK_DONE); 29640a586ceaSMark Shellenbaum 29650a586ceaSMark Shellenbaum if (mdb_vread(&zace, sizeof (zfs_ace_t), wsp->walk_addr) == -1) { 29660a586ceaSMark Shellenbaum mdb_warn("failed to read zfs_ace_t at %#lx", 29670a586ceaSMark Shellenbaum wsp->walk_addr); 29680a586ceaSMark Shellenbaum return (WALK_ERR); 29690a586ceaSMark Shellenbaum } 29700a586ceaSMark Shellenbaum 29710a586ceaSMark Shellenbaum switch (ace_data->ace_version) { 29720a586ceaSMark Shellenbaum case 0: 29730a586ceaSMark Shellenbaum acep = (ace_t *)&zace; 29740a586ceaSMark Shellenbaum entry_type = acep->a_flags & ACE_TYPE_FLAGS; 29750a586ceaSMark Shellenbaum allow_type = acep->a_type; 29760a586ceaSMark Shellenbaum break; 29770a586ceaSMark Shellenbaum case 1: 29780a586ceaSMark Shellenbaum entry_type = zace.z_hdr.z_flags & ACE_TYPE_FLAGS; 29790a586ceaSMark Shellenbaum allow_type = zace.z_hdr.z_type; 29800a586ceaSMark Shellenbaum break; 29810a586ceaSMark Shellenbaum default: 29820a586ceaSMark Shellenbaum return (WALK_ERR); 29830a586ceaSMark Shellenbaum } 29840a586ceaSMark Shellenbaum 29850a586ceaSMark Shellenbaum ptr = (uintptr_t)wsp->walk_addr; 29860a586ceaSMark Shellenbaum switch (entry_type) { 29870a586ceaSMark Shellenbaum case ACE_OWNER: 29880a586ceaSMark Shellenbaum case ACE_EVERYONE: 29890a586ceaSMark Shellenbaum case (ACE_IDENTIFIER_GROUP | ACE_GROUP): 29900a586ceaSMark Shellenbaum ptr += ace_data->ace_version == 0 ? 29910a586ceaSMark Shellenbaum sizeof (ace_t) : sizeof (zfs_ace_hdr_t); 29920a586ceaSMark Shellenbaum break; 29930a586ceaSMark Shellenbaum case ACE_IDENTIFIER_GROUP: 29940a586ceaSMark Shellenbaum default: 29950a586ceaSMark Shellenbaum switch (allow_type) { 29960a586ceaSMark Shellenbaum case ACE_ACCESS_ALLOWED_OBJECT_ACE_TYPE: 29970a586ceaSMark Shellenbaum case ACE_ACCESS_DENIED_OBJECT_ACE_TYPE: 29980a586ceaSMark Shellenbaum case ACE_SYSTEM_AUDIT_OBJECT_ACE_TYPE: 29990a586ceaSMark Shellenbaum case ACE_SYSTEM_ALARM_OBJECT_ACE_TYPE: 30000a586ceaSMark Shellenbaum ptr += ace_data->ace_version == 0 ? 30010a586ceaSMark Shellenbaum sizeof (ace_t) : sizeof (zfs_object_ace_t); 30020a586ceaSMark Shellenbaum break; 30030a586ceaSMark Shellenbaum default: 30040a586ceaSMark Shellenbaum ptr += ace_data->ace_version == 0 ? 30050a586ceaSMark Shellenbaum sizeof (ace_t) : sizeof (zfs_ace_t); 30060a586ceaSMark Shellenbaum break; 30070a586ceaSMark Shellenbaum } 30080a586ceaSMark Shellenbaum } 30090a586ceaSMark Shellenbaum 30100a586ceaSMark Shellenbaum ace_data->ace_count--; 30110a586ceaSMark Shellenbaum status = wsp->walk_callback(wsp->walk_addr, 30120a586ceaSMark Shellenbaum (void *)(uintptr_t)&zace, wsp->walk_cbdata); 30130a586ceaSMark Shellenbaum 30140a586ceaSMark Shellenbaum wsp->walk_addr = ptr; 30150a586ceaSMark Shellenbaum return (status); 30160a586ceaSMark Shellenbaum } 30170a586ceaSMark Shellenbaum 301828e4da25SMatthew Ahrens typedef struct mdb_zfs_rrwlock { 3019d5ee8a13SMatthew Ahrens uintptr_t rr_writer; 302028e4da25SMatthew Ahrens boolean_t rr_writer_wanted; 302128e4da25SMatthew Ahrens } mdb_zfs_rrwlock_t; 302228e4da25SMatthew Ahrens 302328e4da25SMatthew Ahrens static uint_t rrw_key; 302428e4da25SMatthew Ahrens 302528e4da25SMatthew Ahrens /* ARGSUSED */ 302628e4da25SMatthew Ahrens static int 302728e4da25SMatthew Ahrens rrwlock(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 302828e4da25SMatthew Ahrens { 302928e4da25SMatthew Ahrens mdb_zfs_rrwlock_t rrw; 303028e4da25SMatthew Ahrens 303128e4da25SMatthew Ahrens if (rrw_key == 0) { 303228e4da25SMatthew Ahrens if (mdb_ctf_readsym(&rrw_key, "uint_t", "rrw_tsd_key", 0) == -1) 303328e4da25SMatthew Ahrens return (DCMD_ERR); 303428e4da25SMatthew Ahrens } 303528e4da25SMatthew Ahrens 303628e4da25SMatthew Ahrens if (mdb_ctf_vread(&rrw, "rrwlock_t", "mdb_zfs_rrwlock_t", addr, 303728e4da25SMatthew Ahrens 0) == -1) 303828e4da25SMatthew Ahrens return (DCMD_ERR); 303928e4da25SMatthew Ahrens 3040d5ee8a13SMatthew Ahrens if (rrw.rr_writer != 0) { 3041d5ee8a13SMatthew Ahrens mdb_printf("write lock held by thread %lx\n", rrw.rr_writer); 304228e4da25SMatthew Ahrens return (DCMD_OK); 304328e4da25SMatthew Ahrens } 304428e4da25SMatthew Ahrens 304528e4da25SMatthew Ahrens if (rrw.rr_writer_wanted) { 304628e4da25SMatthew Ahrens mdb_printf("writer wanted\n"); 304728e4da25SMatthew Ahrens } 304828e4da25SMatthew Ahrens 304928e4da25SMatthew Ahrens mdb_printf("anonymous references:\n"); 305028e4da25SMatthew Ahrens (void) mdb_call_dcmd("refcount", addr + 305128e4da25SMatthew Ahrens mdb_ctf_offsetof_by_name(ZFS_STRUCT "rrwlock", "rr_anon_rcount"), 305228e4da25SMatthew Ahrens DCMD_ADDRSPEC, 0, NULL); 305328e4da25SMatthew Ahrens 305428e4da25SMatthew Ahrens mdb_printf("linked references:\n"); 305528e4da25SMatthew Ahrens (void) mdb_call_dcmd("refcount", addr + 305628e4da25SMatthew Ahrens mdb_ctf_offsetof_by_name(ZFS_STRUCT "rrwlock", "rr_linked_rcount"), 305728e4da25SMatthew Ahrens DCMD_ADDRSPEC, 0, NULL); 305828e4da25SMatthew Ahrens 305928e4da25SMatthew Ahrens /* 306028e4da25SMatthew Ahrens * XXX This should find references from 306128e4da25SMatthew Ahrens * "::walk thread | ::tsd -v <rrw_key>", but there is no support 306228e4da25SMatthew Ahrens * for programmatic consumption of dcmds, so this would be 306328e4da25SMatthew Ahrens * difficult, potentially requiring reimplementing ::tsd (both 306428e4da25SMatthew Ahrens * user and kernel versions) in this MDB module. 306528e4da25SMatthew Ahrens */ 306628e4da25SMatthew Ahrens 306728e4da25SMatthew Ahrens return (DCMD_OK); 306828e4da25SMatthew Ahrens } 306928e4da25SMatthew Ahrens 3070ccae0b50Seschrock /* 3071fa9e4066Sahrens * MDB module linkage information: 3072fa9e4066Sahrens * 3073fa9e4066Sahrens * We declare a list of structures describing our dcmds, and a function 3074fa9e4066Sahrens * named _mdb_init to return a pointer to our module information. 3075fa9e4066Sahrens */ 3076fa9e4066Sahrens 3077fa9e4066Sahrens static const mdb_dcmd_t dcmds[] = { 307891ebeef5Sahrens { "arc", "[-bkmg]", "print ARC variables", arc_print }, 3079fa9e4066Sahrens { "blkptr", ":", "print blkptr_t", blkptr }, 3080fa9e4066Sahrens { "dbuf", ":", "print dmu_buf_impl_t", dbuf }, 3081fa9e4066Sahrens { "dbuf_stats", ":", "dbuf stats", dbuf_stats }, 3082fa9e4066Sahrens { "dbufs", 30834223fc7cSMark Shellenbaum "\t[-O objset_t*] [-n objset_name | \"mos\"] " 30843cb34c60Sahrens "[-o object | \"mdn\"] \n" 3085fa9e4066Sahrens "\t[-l level] [-b blkid | \"bonus\"]", 308691ebeef5Sahrens "find dmu_buf_impl_t's that match specified criteria", dbufs }, 3087fa9e4066Sahrens { "abuf_find", "dva_word[0] dva_word[1]", 3088fa9e4066Sahrens "find arc_buf_hdr_t of a specified DVA", 3089fa9e4066Sahrens abuf_find }, 3090fa9e4066Sahrens { "spa", "?[-cv]", "spa_t summary", spa_print }, 3091fa9e4066Sahrens { "spa_config", ":", "print spa_t configuration", spa_print_config }, 3092fa9e4066Sahrens { "spa_space", ":[-b]", "print spa_t on-disk space usage", spa_space }, 3093fa9e4066Sahrens { "spa_vdevs", ":", "given a spa_t, print vdev summary", spa_vdevs }, 309491ebeef5Sahrens { "vdev", ":[-re]\n" 309591ebeef5Sahrens "\t-r display recursively\n" 3096a3f829aeSBill Moore "\t-e print statistics", 309791ebeef5Sahrens "vdev_t summary", vdev_print }, 3098a3f829aeSBill Moore { "zio", ":[cpr]\n" 3099a3f829aeSBill Moore "\t-c display children\n" 3100a3f829aeSBill Moore "\t-p display parents\n" 3101a3f829aeSBill Moore "\t-r display recursively", 3102a3f829aeSBill Moore "zio_t summary", zio_print }, 3103ccae0b50Seschrock { "zio_state", "?", "print out all zio_t structures on system or " 3104ccae0b50Seschrock "for a particular pool", zio_state }, 310588b7b0f2SMatthew Ahrens { "zfs_blkstats", ":[-v]", 310688b7b0f2SMatthew Ahrens "given a spa_t, print block type stats from last scrub", 310788b7b0f2SMatthew Ahrens zfs_blkstats }, 3108614409b5Sahrens { "zfs_params", "", "print zfs tunable parameters", zfs_params }, 310928e4da25SMatthew Ahrens { "refcount", ":[-r]\n" 311028e4da25SMatthew Ahrens "\t-r display recently removed references", 311128e4da25SMatthew Ahrens "print refcount_t holders", refcount }, 31123f1f8012SMatthew Ahrens { "zap_leaf", "", "print zap_leaf_phys_t", zap_leaf }, 31130a586ceaSMark Shellenbaum { "zfs_aces", ":[-v]", "print all ACEs from a zfs_acl_t", 31140a586ceaSMark Shellenbaum zfs_acl_dump }, 31150a586ceaSMark Shellenbaum { "zfs_ace", ":[-v]", "print zfs_ace", zfs_ace_print }, 31160a586ceaSMark Shellenbaum { "zfs_ace0", ":[-v]", "print zfs_ace0", zfs_ace0_print }, 31170a586ceaSMark Shellenbaum { "sa_attr_table", ":", "print SA attribute table from sa_os_t", 31180a586ceaSMark Shellenbaum sa_attr_table}, 31190a586ceaSMark Shellenbaum { "sa_attr", ": attr_id", 31200a586ceaSMark Shellenbaum "print SA attribute address when given sa_handle_t", sa_attr_print}, 312128e4da25SMatthew Ahrens { "zfs_dbgmsg", ":[-va]", 31223f9d6ad7SLin Ling "print zfs debug log", dbgmsg}, 312328e4da25SMatthew Ahrens { "rrwlock", ":", 312428e4da25SMatthew Ahrens "print rrwlock_t, including readers", rrwlock}, 3125fa9e4066Sahrens { NULL } 3126fa9e4066Sahrens }; 3127fa9e4066Sahrens 3128fa9e4066Sahrens static const mdb_walker_t walkers[] = { 3129fa9e4066Sahrens { "zms_freelist", "walk ZFS metaslab freelist", 31305f5f7a6fSahrens freelist_walk_init, freelist_walk_step, NULL }, 3131fa9e4066Sahrens { "txg_list", "given any txg_list_t *, walk all entries in all txgs", 31325f5f7a6fSahrens txg_list_walk_init, txg_list_walk_step, NULL }, 3133fa9e4066Sahrens { "txg_list0", "given any txg_list_t *, walk all entries in txg 0", 31345f5f7a6fSahrens txg_list0_walk_init, txg_list_walk_step, NULL }, 3135fa9e4066Sahrens { "txg_list1", "given any txg_list_t *, walk all entries in txg 1", 31365f5f7a6fSahrens txg_list1_walk_init, txg_list_walk_step, NULL }, 3137fa9e4066Sahrens { "txg_list2", "given any txg_list_t *, walk all entries in txg 2", 31385f5f7a6fSahrens txg_list2_walk_init, txg_list_walk_step, NULL }, 3139fa9e4066Sahrens { "txg_list3", "given any txg_list_t *, walk all entries in txg 3", 31405f5f7a6fSahrens txg_list3_walk_init, txg_list_walk_step, NULL }, 3141ccae0b50Seschrock { "zio", "walk all zio structures, optionally for a particular spa_t", 3142ccae0b50Seschrock zio_walk_init, zio_walk_step, NULL }, 314328e4da25SMatthew Ahrens { "zio_root", 314428e4da25SMatthew Ahrens "walk all root zio_t structures, optionally for a particular spa_t", 3145ccae0b50Seschrock zio_walk_init, zio_walk_root_step, NULL }, 3146fa9e4066Sahrens { "spa", "walk all spa_t entries in the namespace", 3147fa9e4066Sahrens spa_walk_init, spa_walk_step, NULL }, 31485f5f7a6fSahrens { "metaslab", "given a spa_t *, walk all metaslab_t structures", 31495f5f7a6fSahrens metaslab_walk_init, metaslab_walk_step, NULL }, 31500a586ceaSMark Shellenbaum { "zfs_acl_node", "given a zfs_acl_t, walk all zfs_acl_nodes", 31510a586ceaSMark Shellenbaum zfs_acl_node_walk_init, zfs_acl_node_walk_step, NULL }, 31520a586ceaSMark Shellenbaum { "zfs_acl_node_aces", "given a zfs_acl_node_t, walk all ACEs", 31530a586ceaSMark Shellenbaum zfs_acl_node_aces_walk_init, zfs_aces_walk_step, NULL }, 31540a586ceaSMark Shellenbaum { "zfs_acl_node_aces0", 31550a586ceaSMark Shellenbaum "given a zfs_acl_node_t, walk all ACEs as ace_t", 31560a586ceaSMark Shellenbaum zfs_acl_node_aces0_walk_init, zfs_aces_walk_step, NULL }, 3157fa9e4066Sahrens { NULL } 3158fa9e4066Sahrens }; 3159fa9e4066Sahrens 3160fa9e4066Sahrens static const mdb_modinfo_t modinfo = { 3161fa9e4066Sahrens MDB_API_VERSION, dcmds, walkers 3162fa9e4066Sahrens }; 3163fa9e4066Sahrens 3164fa9e4066Sahrens const mdb_modinfo_t * 3165fa9e4066Sahrens _mdb_init(void) 3166fa9e4066Sahrens { 3167fa9e4066Sahrens return (&modinfo); 3168fa9e4066Sahrens } 3169