4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
23 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Copyright (c) 2011, 2015 by Delphix. All rights reserved.
25 * Copyright (c) 2015, Intel Corporation.
30 #include <stdio_ext.h>
33 #include <sys/zfs_context.h>
35 #include <sys/spa_impl.h>
38 #include <sys/fs/zfs.h>
39 #include <sys/zfs_znode.h>
40 #include <sys/zfs_sa.h>
42 #include <sys/sa_impl.h>
44 #include <sys/vdev_impl.h>
45 #include <sys/metaslab_impl.h>
46 #include <sys/dmu_objset.h>
47 #include <sys/dsl_dir.h>
48 #include <sys/dsl_dataset.h>
49 #include <sys/dsl_pool.h>
52 #include <sys/zil_impl.h>
54 #include <sys/resource.h>
55 #include <sys/dmu_traverse.h>
56 #include <sys/zio_checksum.h>
57 #include <sys/zio_compress.h>
58 #include <sys/zfs_fuid.h>
61 #include <sys/zfeature.h>
62 #include <zfs_comutil.h>
65 #define ZDB_COMPRESS_NAME(idx) ((idx) < ZIO_COMPRESS_FUNCTIONS ? \
66 zio_compress_table[(idx)].ci_name : "UNKNOWN")
67 #define ZDB_CHECKSUM_NAME(idx) ((idx) < ZIO_CHECKSUM_FUNCTIONS ? \
68 zio_checksum_table[(idx)].ci_name : "UNKNOWN")
69 #define ZDB_OT_TYPE(idx) ((idx) < DMU_OT_NUMTYPES ? (idx) : \
70 (((idx) == DMU_OTN_ZAP_DATA || (idx) == DMU_OTN_ZAP_METADATA) ? \
71 DMU_OT_ZAP_OTHER : DMU_OT_NUMTYPES))
74 zdb_ot_name(dmu_object_type_t type
)
76 if (type
< DMU_OT_NUMTYPES
)
77 return (dmu_ot
[type
].ot_name
);
78 else if ((type
& DMU_OT_NEWTYPE
) &&
79 ((type
& DMU_OT_BYTESWAP_MASK
) < DMU_BSWAP_NUMFUNCS
))
80 return (dmu_ot_byteswap
[type
& DMU_OT_BYTESWAP_MASK
].ob_name
);
86 extern int zfs_recover
;
87 extern uint64_t zfs_arc_max
, zfs_arc_meta_limit
;
88 extern int zfs_vdev_async_read_max_active
;
91 uint64_t zfs_arc_max
, zfs_arc_meta_limit
;
92 int zfs_vdev_async_read_max_active
;
95 const char cmdname
[] = "zdb";
96 uint8_t dump_opt
[256];
98 typedef void object_viewer_t(objset_t
*, uint64_t, void *data
, size_t size
);
100 extern void dump_intent_log(zilog_t
*);
101 uint64_t *zopt_object
= NULL
;
102 int zopt_objects
= 0;
103 libzfs_handle_t
*g_zfs
;
104 uint64_t max_inflight
= 1000;
106 static void snprintf_blkptr_compact(char *, size_t, const blkptr_t
*);
109 * These libumem hooks provide a reasonable set of defaults for the allocator's
110 * debugging facilities.
113 _umem_debug_init(void)
115 return ("default,verbose"); /* $UMEM_DEBUG setting */
119 _umem_logging_init(void)
121 return ("fail,contents"); /* $UMEM_LOGGING setting */
127 (void) fprintf(stderr
,
128 "Usage: %s [-CumMdibcsDvhLXFPA] [-t txg] [-e [-p path...]] "
129 "[-U config] [-I inflight I/Os] [-x dumpdir] poolname [object...]\n"
130 " %s [-divPA] [-e -p path...] [-U config] dataset "
132 " %s -mM [-LXFPA] [-t txg] [-e [-p path...]] [-U config] "
133 "poolname [vdev [metaslab...]]\n"
134 " %s -R [-A] [-e [-p path...]] poolname "
135 "vdev:offset:size[:flags]\n"
136 " %s -S [-PA] [-e [-p path...]] [-U config] poolname\n"
137 " %s -l [-uA] device\n"
138 " %s -C [-A] [-U config]\n\n",
139 cmdname
, cmdname
, cmdname
, cmdname
, cmdname
, cmdname
, cmdname
);
141 (void) fprintf(stderr
, " Dataset name must include at least one "
142 "separator character '/' or '@'\n");
143 (void) fprintf(stderr
, " If dataset name is specified, only that "
144 "dataset is dumped\n");
145 (void) fprintf(stderr
, " If object numbers are specified, only "
146 "those objects are dumped\n\n");
147 (void) fprintf(stderr
, " Options to control amount of output:\n");
148 (void) fprintf(stderr
, " -u uberblock\n");
149 (void) fprintf(stderr
, " -d dataset(s)\n");
150 (void) fprintf(stderr
, " -i intent logs\n");
151 (void) fprintf(stderr
, " -C config (or cachefile if alone)\n");
152 (void) fprintf(stderr
, " -h pool history\n");
153 (void) fprintf(stderr
, " -b block statistics\n");
154 (void) fprintf(stderr
, " -m metaslabs\n");
155 (void) fprintf(stderr
, " -M metaslab groups\n");
156 (void) fprintf(stderr
, " -c checksum all metadata (twice for "
157 "all data) blocks\n");
158 (void) fprintf(stderr
, " -s report stats on zdb's I/O\n");
159 (void) fprintf(stderr
, " -D dedup statistics\n");
160 (void) fprintf(stderr
, " -S simulate dedup to measure effect\n");
161 (void) fprintf(stderr
, " -v verbose (applies to all others)\n");
162 (void) fprintf(stderr
, " -l dump label contents\n");
163 (void) fprintf(stderr
, " -L disable leak tracking (do not "
164 "load spacemaps)\n");
165 (void) fprintf(stderr
, " -R read and display block from a "
167 (void) fprintf(stderr
, " Below options are intended for use "
168 "with other options:\n");
169 (void) fprintf(stderr
, " -A ignore assertions (-A), enable "
170 "panic recovery (-AA) or both (-AAA)\n");
171 (void) fprintf(stderr
, " -F attempt automatic rewind within "
172 "safe range of transaction groups\n");
173 (void) fprintf(stderr
, " -U <cachefile_path> -- use alternate "
175 (void) fprintf(stderr
, " -X attempt extreme rewind (does not "
176 "work with dataset)\n");
177 (void) fprintf(stderr
, " -e pool is exported/destroyed/"
178 "has altroot/not in a cachefile\n");
179 (void) fprintf(stderr
, " -p <path> -- use one or more with "
180 "-e to specify path to vdev dir\n");
181 (void) fprintf(stderr
, " -x <dumpdir> -- "
182 "dump all read blocks into specified directory\n");
183 (void) fprintf(stderr
, " -P print numbers in parsable form\n");
184 (void) fprintf(stderr
, " -t <txg> -- highest txg to use when "
185 "searching for uberblocks\n");
186 (void) fprintf(stderr
, " -I <number of inflight I/Os> -- "
187 "specify the maximum number of "
188 "checksumming I/Os [default is 200]\n");
189 (void) fprintf(stderr
, "Specify an option more than once (e.g. -bb) "
190 "to make only that option verbose\n");
191 (void) fprintf(stderr
, "Default is to dump everything non-verbosely\n");
196 * Called for usage errors that are discovered after a call to spa_open(),
197 * dmu_bonus_hold(), or pool_match(). abort() is called for other errors.
201 fatal(const char *fmt
, ...)
206 (void) fprintf(stderr
, "%s: ", cmdname
);
207 (void) vfprintf(stderr
, fmt
, ap
);
209 (void) fprintf(stderr
, "\n");
216 dump_packed_nvlist(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
219 size_t nvsize
= *(uint64_t *)data
;
220 char *packed
= umem_alloc(nvsize
, UMEM_NOFAIL
);
222 VERIFY(0 == dmu_read(os
, object
, 0, nvsize
, packed
, DMU_READ_PREFETCH
));
224 VERIFY(nvlist_unpack(packed
, nvsize
, &nv
, 0) == 0);
226 umem_free(packed
, nvsize
);
235 dump_history_offsets(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
237 spa_history_phys_t
*shp
= data
;
242 (void) printf("\t\tpool_create_len = %llu\n",
243 (u_longlong_t
)shp
->sh_pool_create_len
);
244 (void) printf("\t\tphys_max_off = %llu\n",
245 (u_longlong_t
)shp
->sh_phys_max_off
);
246 (void) printf("\t\tbof = %llu\n",
247 (u_longlong_t
)shp
->sh_bof
);
248 (void) printf("\t\teof = %llu\n",
249 (u_longlong_t
)shp
->sh_eof
);
250 (void) printf("\t\trecords_lost = %llu\n",
251 (u_longlong_t
)shp
->sh_records_lost
);
255 zdb_nicenum(uint64_t num
, char *buf
)
258 (void) sprintf(buf
, "%llu", (longlong_t
)num
);
263 const char histo_stars
[] = "****************************************";
264 const int histo_width
= sizeof (histo_stars
) - 1;
267 dump_histogram(const uint64_t *histo
, int size
, int offset
)
270 int minidx
= size
- 1;
274 for (i
= 0; i
< size
; i
++) {
277 if (histo
[i
] > 0 && i
> maxidx
)
279 if (histo
[i
] > 0 && i
< minidx
)
283 if (max
< histo_width
)
286 for (i
= minidx
; i
<= maxidx
; i
++) {
287 (void) printf("\t\t\t%3u: %6llu %s\n",
288 i
+ offset
, (u_longlong_t
)histo
[i
],
289 &histo_stars
[(max
- histo
[i
]) * histo_width
/ max
]);
294 dump_zap_stats(objset_t
*os
, uint64_t object
)
299 error
= zap_get_stats(os
, object
, &zs
);
303 if (zs
.zs_ptrtbl_len
== 0) {
304 ASSERT(zs
.zs_num_blocks
== 1);
305 (void) printf("\tmicrozap: %llu bytes, %llu entries\n",
306 (u_longlong_t
)zs
.zs_blocksize
,
307 (u_longlong_t
)zs
.zs_num_entries
);
311 (void) printf("\tFat ZAP stats:\n");
313 (void) printf("\t\tPointer table:\n");
314 (void) printf("\t\t\t%llu elements\n",
315 (u_longlong_t
)zs
.zs_ptrtbl_len
);
316 (void) printf("\t\t\tzt_blk: %llu\n",
317 (u_longlong_t
)zs
.zs_ptrtbl_zt_blk
);
318 (void) printf("\t\t\tzt_numblks: %llu\n",
319 (u_longlong_t
)zs
.zs_ptrtbl_zt_numblks
);
320 (void) printf("\t\t\tzt_shift: %llu\n",
321 (u_longlong_t
)zs
.zs_ptrtbl_zt_shift
);
322 (void) printf("\t\t\tzt_blks_copied: %llu\n",
323 (u_longlong_t
)zs
.zs_ptrtbl_blks_copied
);
324 (void) printf("\t\t\tzt_nextblk: %llu\n",
325 (u_longlong_t
)zs
.zs_ptrtbl_nextblk
);
327 (void) printf("\t\tZAP entries: %llu\n",
328 (u_longlong_t
)zs
.zs_num_entries
);
329 (void) printf("\t\tLeaf blocks: %llu\n",
330 (u_longlong_t
)zs
.zs_num_leafs
);
331 (void) printf("\t\tTotal blocks: %llu\n",
332 (u_longlong_t
)zs
.zs_num_blocks
);
333 (void) printf("\t\tzap_block_type: 0x%llx\n",
334 (u_longlong_t
)zs
.zs_block_type
);
335 (void) printf("\t\tzap_magic: 0x%llx\n",
336 (u_longlong_t
)zs
.zs_magic
);
337 (void) printf("\t\tzap_salt: 0x%llx\n",
338 (u_longlong_t
)zs
.zs_salt
);
340 (void) printf("\t\tLeafs with 2^n pointers:\n");
341 dump_histogram(zs
.zs_leafs_with_2n_pointers
, ZAP_HISTOGRAM_SIZE
, 0);
343 (void) printf("\t\tBlocks with n*5 entries:\n");
344 dump_histogram(zs
.zs_blocks_with_n5_entries
, ZAP_HISTOGRAM_SIZE
, 0);
346 (void) printf("\t\tBlocks n/10 full:\n");
347 dump_histogram(zs
.zs_blocks_n_tenths_full
, ZAP_HISTOGRAM_SIZE
, 0);
349 (void) printf("\t\tEntries with n chunks:\n");
350 dump_histogram(zs
.zs_entries_using_n_chunks
, ZAP_HISTOGRAM_SIZE
, 0);
352 (void) printf("\t\tBuckets with n entries:\n");
353 dump_histogram(zs
.zs_buckets_with_n_entries
, ZAP_HISTOGRAM_SIZE
, 0);
358 dump_none(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
364 dump_unknown(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
366 (void) printf("\tUNKNOWN OBJECT TYPE\n");
371 dump_uint8(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
377 dump_uint64(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
383 dump_zap(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
386 zap_attribute_t attr
;
390 dump_zap_stats(os
, object
);
393 for (zap_cursor_init(&zc
, os
, object
);
394 zap_cursor_retrieve(&zc
, &attr
) == 0;
395 zap_cursor_advance(&zc
)) {
396 (void) printf("\t\t%s = ", attr
.za_name
);
397 if (attr
.za_num_integers
== 0) {
401 prop
= umem_zalloc(attr
.za_num_integers
*
402 attr
.za_integer_length
, UMEM_NOFAIL
);
403 (void) zap_lookup(os
, object
, attr
.za_name
,
404 attr
.za_integer_length
, attr
.za_num_integers
, prop
);
405 if (attr
.za_integer_length
== 1) {
406 (void) printf("%s", (char *)prop
);
408 for (i
= 0; i
< attr
.za_num_integers
; i
++) {
409 switch (attr
.za_integer_length
) {
412 ((uint16_t *)prop
)[i
]);
416 ((uint32_t *)prop
)[i
]);
419 (void) printf("%lld ",
420 (u_longlong_t
)((int64_t *)prop
)[i
]);
426 umem_free(prop
, attr
.za_num_integers
* attr
.za_integer_length
);
428 zap_cursor_fini(&zc
);
432 dump_bpobj(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
434 bpobj_phys_t
*bpop
= data
;
436 char bytes
[32], comp
[32], uncomp
[32];
441 zdb_nicenum(bpop
->bpo_bytes
, bytes
);
442 zdb_nicenum(bpop
->bpo_comp
, comp
);
443 zdb_nicenum(bpop
->bpo_uncomp
, uncomp
);
445 (void) printf("\t\tnum_blkptrs = %llu\n",
446 (u_longlong_t
)bpop
->bpo_num_blkptrs
);
447 (void) printf("\t\tbytes = %s\n", bytes
);
448 if (size
>= BPOBJ_SIZE_V1
) {
449 (void) printf("\t\tcomp = %s\n", comp
);
450 (void) printf("\t\tuncomp = %s\n", uncomp
);
452 if (size
>= sizeof (*bpop
)) {
453 (void) printf("\t\tsubobjs = %llu\n",
454 (u_longlong_t
)bpop
->bpo_subobjs
);
455 (void) printf("\t\tnum_subobjs = %llu\n",
456 (u_longlong_t
)bpop
->bpo_num_subobjs
);
459 if (dump_opt
['d'] < 5)
462 for (i
= 0; i
< bpop
->bpo_num_blkptrs
; i
++) {
463 char blkbuf
[BP_SPRINTF_LEN
];
466 int err
= dmu_read(os
, object
,
467 i
* sizeof (bp
), sizeof (bp
), &bp
, 0);
469 (void) printf("got error %u from dmu_read\n", err
);
472 snprintf_blkptr_compact(blkbuf
, sizeof (blkbuf
), &bp
);
473 (void) printf("\t%s\n", blkbuf
);
479 dump_bpobj_subobjs(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
481 dmu_object_info_t doi
;
484 VERIFY0(dmu_object_info(os
, object
, &doi
));
485 uint64_t *subobjs
= kmem_alloc(doi
.doi_max_offset
, KM_SLEEP
);
487 int err
= dmu_read(os
, object
, 0, doi
.doi_max_offset
, subobjs
, 0);
489 (void) printf("got error %u from dmu_read\n", err
);
490 kmem_free(subobjs
, doi
.doi_max_offset
);
494 int64_t last_nonzero
= -1;
495 for (i
= 0; i
< doi
.doi_max_offset
/ 8; i
++) {
500 for (i
= 0; i
<= last_nonzero
; i
++) {
501 (void) printf("\t%llu\n", (u_longlong_t
)subobjs
[i
]);
503 kmem_free(subobjs
, doi
.doi_max_offset
);
508 dump_ddt_zap(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
510 dump_zap_stats(os
, object
);
511 /* contents are printed elsewhere, properly decoded */
516 dump_sa_attrs(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
519 zap_attribute_t attr
;
521 dump_zap_stats(os
, object
);
524 for (zap_cursor_init(&zc
, os
, object
);
525 zap_cursor_retrieve(&zc
, &attr
) == 0;
526 zap_cursor_advance(&zc
)) {
527 (void) printf("\t\t%s = ", attr
.za_name
);
528 if (attr
.za_num_integers
== 0) {
532 (void) printf(" %llx : [%d:%d:%d]\n",
533 (u_longlong_t
)attr
.za_first_integer
,
534 (int)ATTR_LENGTH(attr
.za_first_integer
),
535 (int)ATTR_BSWAP(attr
.za_first_integer
),
536 (int)ATTR_NUM(attr
.za_first_integer
));
538 zap_cursor_fini(&zc
);
543 dump_sa_layouts(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
546 zap_attribute_t attr
;
547 uint16_t *layout_attrs
;
550 dump_zap_stats(os
, object
);
553 for (zap_cursor_init(&zc
, os
, object
);
554 zap_cursor_retrieve(&zc
, &attr
) == 0;
555 zap_cursor_advance(&zc
)) {
556 (void) printf("\t\t%s = [", attr
.za_name
);
557 if (attr
.za_num_integers
== 0) {
562 VERIFY(attr
.za_integer_length
== 2);
563 layout_attrs
= umem_zalloc(attr
.za_num_integers
*
564 attr
.za_integer_length
, UMEM_NOFAIL
);
566 VERIFY(zap_lookup(os
, object
, attr
.za_name
,
567 attr
.za_integer_length
,
568 attr
.za_num_integers
, layout_attrs
) == 0);
570 for (i
= 0; i
!= attr
.za_num_integers
; i
++)
571 (void) printf(" %d ", (int)layout_attrs
[i
]);
572 (void) printf("]\n");
573 umem_free(layout_attrs
,
574 attr
.za_num_integers
* attr
.za_integer_length
);
576 zap_cursor_fini(&zc
);
581 dump_zpldir(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
584 zap_attribute_t attr
;
585 const char *typenames
[] = {
586 /* 0 */ "not specified",
588 /* 2 */ "Character Device",
589 /* 3 */ "3 (invalid)",
591 /* 5 */ "5 (invalid)",
592 /* 6 */ "Block Device",
593 /* 7 */ "7 (invalid)",
594 /* 8 */ "Regular File",
595 /* 9 */ "9 (invalid)",
596 /* 10 */ "Symbolic Link",
597 /* 11 */ "11 (invalid)",
600 /* 14 */ "Event Port",
601 /* 15 */ "15 (invalid)",
604 dump_zap_stats(os
, object
);
607 for (zap_cursor_init(&zc
, os
, object
);
608 zap_cursor_retrieve(&zc
, &attr
) == 0;
609 zap_cursor_advance(&zc
)) {
610 (void) printf("\t\t%s = %lld (type: %s)\n",
611 attr
.za_name
, ZFS_DIRENT_OBJ(attr
.za_first_integer
),
612 typenames
[ZFS_DIRENT_TYPE(attr
.za_first_integer
)]);
614 zap_cursor_fini(&zc
);
618 get_dtl_refcount(vdev_t
*vd
)
623 if (vd
->vdev_ops
->vdev_op_leaf
) {
624 space_map_t
*sm
= vd
->vdev_dtl_sm
;
627 sm
->sm_dbuf
->db_size
== sizeof (space_map_phys_t
))
632 for (c
= 0; c
< vd
->vdev_children
; c
++)
633 refcount
+= get_dtl_refcount(vd
->vdev_child
[c
]);
638 get_metaslab_refcount(vdev_t
*vd
)
643 if (vd
->vdev_top
== vd
&& !vd
->vdev_removing
) {
644 for (m
= 0; m
< vd
->vdev_ms_count
; m
++) {
645 space_map_t
*sm
= vd
->vdev_ms
[m
]->ms_sm
;
648 sm
->sm_dbuf
->db_size
== sizeof (space_map_phys_t
))
652 for (c
= 0; c
< vd
->vdev_children
; c
++)
653 refcount
+= get_metaslab_refcount(vd
->vdev_child
[c
]);
659 verify_spacemap_refcounts(spa_t
*spa
)
661 uint64_t expected_refcount
= 0;
662 uint64_t actual_refcount
;
664 (void) feature_get_refcount(spa
,
665 &spa_feature_table
[SPA_FEATURE_SPACEMAP_HISTOGRAM
],
667 actual_refcount
= get_dtl_refcount(spa
->spa_root_vdev
);
668 actual_refcount
+= get_metaslab_refcount(spa
->spa_root_vdev
);
670 if (expected_refcount
!= actual_refcount
) {
671 (void) printf("space map refcount mismatch: expected %lld != "
673 (longlong_t
)expected_refcount
,
674 (longlong_t
)actual_refcount
);
681 dump_spacemap(objset_t
*os
, space_map_t
*sm
)
683 uint64_t alloc
, offset
, entry
;
684 char *ddata
[] = { "ALLOC", "FREE", "CONDENSE", "INVALID",
685 "INVALID", "INVALID", "INVALID", "INVALID" };
691 * Print out the freelist entries in both encoded and decoded form.
694 for (offset
= 0; offset
< space_map_length(sm
);
695 offset
+= sizeof (entry
)) {
696 uint8_t mapshift
= sm
->sm_shift
;
698 VERIFY0(dmu_read(os
, space_map_object(sm
), offset
,
699 sizeof (entry
), &entry
, DMU_READ_PREFETCH
));
700 if (SM_DEBUG_DECODE(entry
)) {
702 (void) printf("\t [%6llu] %s: txg %llu, pass %llu\n",
703 (u_longlong_t
)(offset
/ sizeof (entry
)),
704 ddata
[SM_DEBUG_ACTION_DECODE(entry
)],
705 (u_longlong_t
)SM_DEBUG_TXG_DECODE(entry
),
706 (u_longlong_t
)SM_DEBUG_SYNCPASS_DECODE(entry
));
708 (void) printf("\t [%6llu] %c range:"
709 " %010llx-%010llx size: %06llx\n",
710 (u_longlong_t
)(offset
/ sizeof (entry
)),
711 SM_TYPE_DECODE(entry
) == SM_ALLOC
? 'A' : 'F',
712 (u_longlong_t
)((SM_OFFSET_DECODE(entry
) <<
713 mapshift
) + sm
->sm_start
),
714 (u_longlong_t
)((SM_OFFSET_DECODE(entry
) <<
715 mapshift
) + sm
->sm_start
+
716 (SM_RUN_DECODE(entry
) << mapshift
)),
717 (u_longlong_t
)(SM_RUN_DECODE(entry
) << mapshift
));
718 if (SM_TYPE_DECODE(entry
) == SM_ALLOC
)
719 alloc
+= SM_RUN_DECODE(entry
) << mapshift
;
721 alloc
-= SM_RUN_DECODE(entry
) << mapshift
;
724 if (alloc
!= space_map_allocated(sm
)) {
725 (void) printf("space_map_object alloc (%llu) INCONSISTENT "
726 "with space map summary (%llu)\n",
727 (u_longlong_t
)space_map_allocated(sm
), (u_longlong_t
)alloc
);
732 dump_metaslab_stats(metaslab_t
*msp
)
735 range_tree_t
*rt
= msp
->ms_tree
;
736 avl_tree_t
*t
= &msp
->ms_size_tree
;
737 int free_pct
= range_tree_space(rt
) * 100 / msp
->ms_size
;
739 zdb_nicenum(metaslab_block_maxsize(msp
), maxbuf
);
741 (void) printf("\t %25s %10lu %7s %6s %4s %4d%%\n",
742 "segments", avl_numnodes(t
), "maxsize", maxbuf
,
743 "freepct", free_pct
);
744 (void) printf("\tIn-memory histogram:\n");
745 dump_histogram(rt
->rt_histogram
, RANGE_TREE_HISTOGRAM_SIZE
, 0);
749 dump_metaslab(metaslab_t
*msp
)
751 vdev_t
*vd
= msp
->ms_group
->mg_vd
;
752 spa_t
*spa
= vd
->vdev_spa
;
753 space_map_t
*sm
= msp
->ms_sm
;
756 zdb_nicenum(msp
->ms_size
- space_map_allocated(sm
), freebuf
);
759 "\tmetaslab %6llu offset %12llx spacemap %6llu free %5s\n",
760 (u_longlong_t
)msp
->ms_id
, (u_longlong_t
)msp
->ms_start
,
761 (u_longlong_t
)space_map_object(sm
), freebuf
);
763 if (dump_opt
['m'] > 2 && !dump_opt
['L']) {
764 mutex_enter(&msp
->ms_lock
);
765 metaslab_load_wait(msp
);
766 if (!msp
->ms_loaded
) {
767 VERIFY0(metaslab_load(msp
));
768 range_tree_stat_verify(msp
->ms_tree
);
770 dump_metaslab_stats(msp
);
771 metaslab_unload(msp
);
772 mutex_exit(&msp
->ms_lock
);
775 if (dump_opt
['m'] > 1 && sm
!= NULL
&&
776 spa_feature_is_active(spa
, SPA_FEATURE_SPACEMAP_HISTOGRAM
)) {
778 * The space map histogram represents free space in chunks
779 * of sm_shift (i.e. bucket 0 refers to 2^sm_shift).
781 (void) printf("\tOn-disk histogram:\t\tfragmentation %llu\n",
782 (u_longlong_t
)msp
->ms_fragmentation
);
783 dump_histogram(sm
->sm_phys
->smp_histogram
,
784 SPACE_MAP_HISTOGRAM_SIZE
, sm
->sm_shift
);
787 if (dump_opt
['d'] > 5 || dump_opt
['m'] > 3) {
788 ASSERT(msp
->ms_size
== (1ULL << vd
->vdev_ms_shift
));
790 mutex_enter(&msp
->ms_lock
);
791 dump_spacemap(spa
->spa_meta_objset
, msp
->ms_sm
);
792 mutex_exit(&msp
->ms_lock
);
797 print_vdev_metaslab_header(vdev_t
*vd
)
799 (void) printf("\tvdev %10llu\n\t%-10s%5llu %-19s %-15s %-10s\n",
800 (u_longlong_t
)vd
->vdev_id
,
801 "metaslabs", (u_longlong_t
)vd
->vdev_ms_count
,
802 "offset", "spacemap", "free");
803 (void) printf("\t%15s %19s %15s %10s\n",
804 "---------------", "-------------------",
805 "---------------", "-------------");
809 dump_metaslab_groups(spa_t
*spa
)
811 vdev_t
*rvd
= spa
->spa_root_vdev
;
812 metaslab_class_t
*mc
= spa_normal_class(spa
);
813 uint64_t fragmentation
;
816 metaslab_class_histogram_verify(mc
);
818 for (c
= 0; c
< rvd
->vdev_children
; c
++) {
819 vdev_t
*tvd
= rvd
->vdev_child
[c
];
820 metaslab_group_t
*mg
= tvd
->vdev_mg
;
822 if (mg
->mg_class
!= mc
)
825 metaslab_group_histogram_verify(mg
);
826 mg
->mg_fragmentation
= metaslab_group_fragmentation(mg
);
828 (void) printf("\tvdev %10llu\t\tmetaslabs%5llu\t\t"
830 (u_longlong_t
)tvd
->vdev_id
,
831 (u_longlong_t
)tvd
->vdev_ms_count
);
832 if (mg
->mg_fragmentation
== ZFS_FRAG_INVALID
) {
833 (void) printf("%3s\n", "-");
835 (void) printf("%3llu%%\n",
836 (u_longlong_t
)mg
->mg_fragmentation
);
838 dump_histogram(mg
->mg_histogram
, RANGE_TREE_HISTOGRAM_SIZE
, 0);
841 (void) printf("\tpool %s\tfragmentation", spa_name(spa
));
842 fragmentation
= metaslab_class_fragmentation(mc
);
843 if (fragmentation
== ZFS_FRAG_INVALID
)
844 (void) printf("\t%3s\n", "-");
846 (void) printf("\t%3llu%%\n", (u_longlong_t
)fragmentation
);
847 dump_histogram(mc
->mc_histogram
, RANGE_TREE_HISTOGRAM_SIZE
, 0);
851 dump_metaslabs(spa_t
*spa
)
853 vdev_t
*vd
, *rvd
= spa
->spa_root_vdev
;
854 uint64_t m
, c
= 0, children
= rvd
->vdev_children
;
856 (void) printf("\nMetaslabs:\n");
858 if (!dump_opt
['d'] && zopt_objects
> 0) {
862 (void) fatal("bad vdev id: %llu", (u_longlong_t
)c
);
864 if (zopt_objects
> 1) {
865 vd
= rvd
->vdev_child
[c
];
866 print_vdev_metaslab_header(vd
);
868 for (m
= 1; m
< zopt_objects
; m
++) {
869 if (zopt_object
[m
] < vd
->vdev_ms_count
)
871 vd
->vdev_ms
[zopt_object
[m
]]);
873 (void) fprintf(stderr
, "bad metaslab "
875 (u_longlong_t
)zopt_object
[m
]);
882 for (; c
< children
; c
++) {
883 vd
= rvd
->vdev_child
[c
];
884 print_vdev_metaslab_header(vd
);
886 for (m
= 0; m
< vd
->vdev_ms_count
; m
++)
887 dump_metaslab(vd
->vdev_ms
[m
]);
893 dump_dde(const ddt_t
*ddt
, const ddt_entry_t
*dde
, uint64_t index
)
895 const ddt_phys_t
*ddp
= dde
->dde_phys
;
896 const ddt_key_t
*ddk
= &dde
->dde_key
;
897 char *types
[4] = { "ditto", "single", "double", "triple" };
898 char blkbuf
[BP_SPRINTF_LEN
];
902 for (p
= 0; p
< DDT_PHYS_TYPES
; p
++, ddp
++) {
903 if (ddp
->ddp_phys_birth
== 0)
905 ddt_bp_create(ddt
->ddt_checksum
, ddk
, ddp
, &blk
);
906 snprintf_blkptr(blkbuf
, sizeof (blkbuf
), &blk
);
907 (void) printf("index %llx refcnt %llu %s %s\n",
908 (u_longlong_t
)index
, (u_longlong_t
)ddp
->ddp_refcnt
,
914 dump_dedup_ratio(const ddt_stat_t
*dds
)
916 double rL
, rP
, rD
, D
, dedup
, compress
, copies
;
918 if (dds
->dds_blocks
== 0)
921 rL
= (double)dds
->dds_ref_lsize
;
922 rP
= (double)dds
->dds_ref_psize
;
923 rD
= (double)dds
->dds_ref_dsize
;
924 D
= (double)dds
->dds_dsize
;
930 (void) printf("dedup = %.2f, compress = %.2f, copies = %.2f, "
931 "dedup * compress / copies = %.2f\n\n",
932 dedup
, compress
, copies
, dedup
* compress
/ copies
);
936 dump_ddt(ddt_t
*ddt
, enum ddt_type type
, enum ddt_class
class)
938 char name
[DDT_NAMELEN
];
941 dmu_object_info_t doi
;
942 uint64_t count
, dspace
, mspace
;
945 error
= ddt_object_info(ddt
, type
, class, &doi
);
951 error
= ddt_object_count(ddt
, type
, class, &count
);
956 dspace
= doi
.doi_physical_blocks_512
<< 9;
957 mspace
= doi
.doi_fill_count
* doi
.doi_data_block_size
;
959 ddt_object_name(ddt
, type
, class, name
);
961 (void) printf("%s: %llu entries, size %llu on disk, %llu in core\n",
964 (u_longlong_t
)(dspace
/ count
),
965 (u_longlong_t
)(mspace
/ count
));
967 if (dump_opt
['D'] < 3)
970 zpool_dump_ddt(NULL
, &ddt
->ddt_histogram
[type
][class]);
972 if (dump_opt
['D'] < 4)
975 if (dump_opt
['D'] < 5 && class == DDT_CLASS_UNIQUE
)
978 (void) printf("%s contents:\n\n", name
);
980 while ((error
= ddt_object_walk(ddt
, type
, class, &walk
, &dde
)) == 0)
981 dump_dde(ddt
, &dde
, walk
);
983 ASSERT(error
== ENOENT
);
989 dump_all_ddts(spa_t
*spa
)
991 ddt_histogram_t ddh_total
;
992 ddt_stat_t dds_total
;
995 enum ddt_class
class;
997 bzero(&ddh_total
, sizeof (ddt_histogram_t
));
998 bzero(&dds_total
, sizeof (ddt_stat_t
));
1000 for (c
= 0; c
< ZIO_CHECKSUM_FUNCTIONS
; c
++) {
1001 ddt_t
*ddt
= spa
->spa_ddt
[c
];
1002 for (type
= 0; type
< DDT_TYPES
; type
++) {
1003 for (class = 0; class < DDT_CLASSES
;
1005 dump_ddt(ddt
, type
, class);
1010 ddt_get_dedup_stats(spa
, &dds_total
);
1012 if (dds_total
.dds_blocks
== 0) {
1013 (void) printf("All DDTs are empty\n");
1017 (void) printf("\n");
1019 if (dump_opt
['D'] > 1) {
1020 (void) printf("DDT histogram (aggregated over all DDTs):\n");
1021 ddt_get_dedup_histogram(spa
, &ddh_total
);
1022 zpool_dump_ddt(&dds_total
, &ddh_total
);
1025 dump_dedup_ratio(&dds_total
);
1029 dump_dtl_seg(void *arg
, uint64_t start
, uint64_t size
)
1033 (void) printf("%s [%llu,%llu) length %llu\n",
1035 (u_longlong_t
)start
,
1036 (u_longlong_t
)(start
+ size
),
1037 (u_longlong_t
)(size
));
1041 dump_dtl(vdev_t
*vd
, int indent
)
1043 spa_t
*spa
= vd
->vdev_spa
;
1045 char *name
[DTL_TYPES
] = { "missing", "partial", "scrub", "outage" };
1049 spa_vdev_state_enter(spa
, SCL_NONE
);
1050 required
= vdev_dtl_required(vd
);
1051 (void) spa_vdev_state_exit(spa
, NULL
, 0);
1054 (void) printf("\nDirty time logs:\n\n");
1056 (void) printf("\t%*s%s [%s]\n", indent
, "",
1057 vd
->vdev_path
? vd
->vdev_path
:
1058 vd
->vdev_parent
? vd
->vdev_ops
->vdev_op_type
: spa_name(spa
),
1059 required
? "DTL-required" : "DTL-expendable");
1061 for (t
= 0; t
< DTL_TYPES
; t
++) {
1062 range_tree_t
*rt
= vd
->vdev_dtl
[t
];
1063 if (range_tree_space(rt
) == 0)
1065 (void) snprintf(prefix
, sizeof (prefix
), "\t%*s%s",
1066 indent
+ 2, "", name
[t
]);
1067 mutex_enter(rt
->rt_lock
);
1068 range_tree_walk(rt
, dump_dtl_seg
, prefix
);
1069 mutex_exit(rt
->rt_lock
);
1070 if (dump_opt
['d'] > 5 && vd
->vdev_children
== 0)
1071 dump_spacemap(spa
->spa_meta_objset
,
1075 for (c
= 0; c
< vd
->vdev_children
; c
++)
1076 dump_dtl(vd
->vdev_child
[c
], indent
+ 4);
1080 dump_history(spa_t
*spa
)
1082 nvlist_t
**events
= NULL
;
1084 uint64_t resid
, len
, off
= 0;
1090 char internalstr
[MAXPATHLEN
];
1093 if ((buf
= malloc(SPA_OLD_MAXBLOCKSIZE
)) == NULL
) {
1094 (void) fprintf(stderr
, "%s: unable to allocate I/O buffer\n",
1100 len
= SPA_OLD_MAXBLOCKSIZE
;
1102 if ((error
= spa_history_get(spa
, &off
, &len
, buf
)) != 0) {
1103 (void) fprintf(stderr
, "Unable to read history: "
1104 "error %d\n", error
);
1109 if (zpool_history_unpack(buf
, len
, &resid
, &events
, &num
) != 0)
1115 (void) printf("\nHistory:\n");
1116 for (i
= 0; i
< num
; i
++) {
1117 uint64_t time
, txg
, ievent
;
1119 boolean_t printed
= B_FALSE
;
1121 if (nvlist_lookup_uint64(events
[i
], ZPOOL_HIST_TIME
,
1124 if (nvlist_lookup_string(events
[i
], ZPOOL_HIST_CMD
,
1126 if (nvlist_lookup_uint64(events
[i
],
1127 ZPOOL_HIST_INT_EVENT
, &ievent
) != 0)
1129 verify(nvlist_lookup_uint64(events
[i
],
1130 ZPOOL_HIST_TXG
, &txg
) == 0);
1131 verify(nvlist_lookup_string(events
[i
],
1132 ZPOOL_HIST_INT_STR
, &intstr
) == 0);
1133 if (ievent
>= ZFS_NUM_LEGACY_HISTORY_EVENTS
)
1136 (void) snprintf(internalstr
,
1137 sizeof (internalstr
),
1138 "[internal %s txg:%lld] %s",
1139 zfs_history_event_names
[ievent
],
1140 (longlong_t
)txg
, intstr
);
1144 (void) localtime_r(&tsec
, &t
);
1145 (void) strftime(tbuf
, sizeof (tbuf
), "%F.%T", &t
);
1146 (void) printf("%s %s\n", tbuf
, cmd
);
1150 if (dump_opt
['h'] > 1) {
1152 (void) printf("unrecognized record:\n");
1153 dump_nvlist(events
[i
], 2);
1161 dump_dnode(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
1166 blkid2offset(const dnode_phys_t
*dnp
, const blkptr_t
*bp
,
1167 const zbookmark_phys_t
*zb
)
1170 ASSERT(zb
->zb_level
< 0);
1171 if (zb
->zb_object
== 0)
1172 return (zb
->zb_blkid
);
1173 return (zb
->zb_blkid
* BP_GET_LSIZE(bp
));
1176 ASSERT(zb
->zb_level
>= 0);
1178 return ((zb
->zb_blkid
<<
1179 (zb
->zb_level
* (dnp
->dn_indblkshift
- SPA_BLKPTRSHIFT
))) *
1180 dnp
->dn_datablkszsec
<< SPA_MINBLOCKSHIFT
);
1184 snprintf_blkptr_compact(char *blkbuf
, size_t buflen
, const blkptr_t
*bp
)
1186 const dva_t
*dva
= bp
->blk_dva
;
1187 int ndvas
= dump_opt
['d'] > 5 ? BP_GET_NDVAS(bp
) : 1;
1190 if (dump_opt
['b'] >= 6) {
1191 snprintf_blkptr(blkbuf
, buflen
, bp
);
1195 if (BP_IS_EMBEDDED(bp
)) {
1196 (void) sprintf(blkbuf
,
1197 "EMBEDDED et=%u %llxL/%llxP B=%llu",
1198 (int)BPE_GET_ETYPE(bp
),
1199 (u_longlong_t
)BPE_GET_LSIZE(bp
),
1200 (u_longlong_t
)BPE_GET_PSIZE(bp
),
1201 (u_longlong_t
)bp
->blk_birth
);
1207 for (i
= 0; i
< ndvas
; i
++)
1208 (void) snprintf(blkbuf
+ strlen(blkbuf
),
1209 buflen
- strlen(blkbuf
), "%llu:%llx:%llx ",
1210 (u_longlong_t
)DVA_GET_VDEV(&dva
[i
]),
1211 (u_longlong_t
)DVA_GET_OFFSET(&dva
[i
]),
1212 (u_longlong_t
)DVA_GET_ASIZE(&dva
[i
]));
1214 if (BP_IS_HOLE(bp
)) {
1215 (void) snprintf(blkbuf
+ strlen(blkbuf
),
1216 buflen
- strlen(blkbuf
),
1218 (u_longlong_t
)BP_GET_LSIZE(bp
),
1219 (u_longlong_t
)bp
->blk_birth
);
1221 (void) snprintf(blkbuf
+ strlen(blkbuf
),
1222 buflen
- strlen(blkbuf
),
1223 "%llxL/%llxP F=%llu B=%llu/%llu",
1224 (u_longlong_t
)BP_GET_LSIZE(bp
),
1225 (u_longlong_t
)BP_GET_PSIZE(bp
),
1226 (u_longlong_t
)BP_GET_FILL(bp
),
1227 (u_longlong_t
)bp
->blk_birth
,
1228 (u_longlong_t
)BP_PHYSICAL_BIRTH(bp
));
1233 print_indirect(blkptr_t
*bp
, const zbookmark_phys_t
*zb
,
1234 const dnode_phys_t
*dnp
)
1236 char blkbuf
[BP_SPRINTF_LEN
];
1239 if (!BP_IS_EMBEDDED(bp
)) {
1240 ASSERT3U(BP_GET_TYPE(bp
), ==, dnp
->dn_type
);
1241 ASSERT3U(BP_GET_LEVEL(bp
), ==, zb
->zb_level
);
1244 (void) printf("%16llx ", (u_longlong_t
)blkid2offset(dnp
, bp
, zb
));
1246 ASSERT(zb
->zb_level
>= 0);
1248 for (l
= dnp
->dn_nlevels
- 1; l
>= -1; l
--) {
1249 if (l
== zb
->zb_level
) {
1250 (void) printf("L%llx", (u_longlong_t
)zb
->zb_level
);
1256 snprintf_blkptr_compact(blkbuf
, sizeof (blkbuf
), bp
);
1257 (void) printf("%s\n", blkbuf
);
1261 visit_indirect(spa_t
*spa
, const dnode_phys_t
*dnp
,
1262 blkptr_t
*bp
, const zbookmark_phys_t
*zb
)
1266 if (bp
->blk_birth
== 0)
1269 print_indirect(bp
, zb
, dnp
);
1271 if (BP_GET_LEVEL(bp
) > 0 && !BP_IS_HOLE(bp
)) {
1272 arc_flags_t flags
= ARC_FLAG_WAIT
;
1275 int epb
= BP_GET_LSIZE(bp
) >> SPA_BLKPTRSHIFT
;
1279 err
= arc_read(NULL
, spa
, bp
, arc_getbuf_func
, &buf
,
1280 ZIO_PRIORITY_ASYNC_READ
, ZIO_FLAG_CANFAIL
, &flags
, zb
);
1283 ASSERT(buf
->b_data
);
1285 /* recursively visit blocks below this */
1287 for (i
= 0; i
< epb
; i
++, cbp
++) {
1288 zbookmark_phys_t czb
;
1290 SET_BOOKMARK(&czb
, zb
->zb_objset
, zb
->zb_object
,
1292 zb
->zb_blkid
* epb
+ i
);
1293 err
= visit_indirect(spa
, dnp
, cbp
, &czb
);
1296 fill
+= BP_GET_FILL(cbp
);
1299 ASSERT3U(fill
, ==, BP_GET_FILL(bp
));
1300 arc_buf_destroy(buf
, &buf
);
1308 dump_indirect(dnode_t
*dn
)
1310 dnode_phys_t
*dnp
= dn
->dn_phys
;
1312 zbookmark_phys_t czb
;
1314 (void) printf("Indirect blocks:\n");
1316 SET_BOOKMARK(&czb
, dmu_objset_id(dn
->dn_objset
),
1317 dn
->dn_object
, dnp
->dn_nlevels
- 1, 0);
1318 for (j
= 0; j
< dnp
->dn_nblkptr
; j
++) {
1320 (void) visit_indirect(dmu_objset_spa(dn
->dn_objset
), dnp
,
1321 &dnp
->dn_blkptr
[j
], &czb
);
1324 (void) printf("\n");
1329 dump_dsl_dir(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
1331 dsl_dir_phys_t
*dd
= data
;
1338 ASSERT3U(size
, >=, sizeof (dsl_dir_phys_t
));
1340 crtime
= dd
->dd_creation_time
;
1341 (void) printf("\t\tcreation_time = %s", ctime(&crtime
));
1342 (void) printf("\t\thead_dataset_obj = %llu\n",
1343 (u_longlong_t
)dd
->dd_head_dataset_obj
);
1344 (void) printf("\t\tparent_dir_obj = %llu\n",
1345 (u_longlong_t
)dd
->dd_parent_obj
);
1346 (void) printf("\t\torigin_obj = %llu\n",
1347 (u_longlong_t
)dd
->dd_origin_obj
);
1348 (void) printf("\t\tchild_dir_zapobj = %llu\n",
1349 (u_longlong_t
)dd
->dd_child_dir_zapobj
);
1350 zdb_nicenum(dd
->dd_used_bytes
, nice
);
1351 (void) printf("\t\tused_bytes = %s\n", nice
);
1352 zdb_nicenum(dd
->dd_compressed_bytes
, nice
);
1353 (void) printf("\t\tcompressed_bytes = %s\n", nice
);
1354 zdb_nicenum(dd
->dd_uncompressed_bytes
, nice
);
1355 (void) printf("\t\tuncompressed_bytes = %s\n", nice
);
1356 zdb_nicenum(dd
->dd_quota
, nice
);
1357 (void) printf("\t\tquota = %s\n", nice
);
1358 zdb_nicenum(dd
->dd_reserved
, nice
);
1359 (void) printf("\t\treserved = %s\n", nice
);
1360 (void) printf("\t\tprops_zapobj = %llu\n",
1361 (u_longlong_t
)dd
->dd_props_zapobj
);
1362 (void) printf("\t\tdeleg_zapobj = %llu\n",
1363 (u_longlong_t
)dd
->dd_deleg_zapobj
);
1364 (void) printf("\t\tflags = %llx\n",
1365 (u_longlong_t
)dd
->dd_flags
);
1368 zdb_nicenum(dd->dd_used_breakdown[DD_USED_ ## which], nice); \
1369 (void) printf("\t\tused_breakdown[" #which "] = %s\n", nice)
1380 dump_dsl_dataset(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
1382 dsl_dataset_phys_t
*ds
= data
;
1384 char used
[32], compressed
[32], uncompressed
[32], unique
[32];
1385 char blkbuf
[BP_SPRINTF_LEN
];
1390 ASSERT(size
== sizeof (*ds
));
1391 crtime
= ds
->ds_creation_time
;
1392 zdb_nicenum(ds
->ds_referenced_bytes
, used
);
1393 zdb_nicenum(ds
->ds_compressed_bytes
, compressed
);
1394 zdb_nicenum(ds
->ds_uncompressed_bytes
, uncompressed
);
1395 zdb_nicenum(ds
->ds_unique_bytes
, unique
);
1396 snprintf_blkptr(blkbuf
, sizeof (blkbuf
), &ds
->ds_bp
);
1398 (void) printf("\t\tdir_obj = %llu\n",
1399 (u_longlong_t
)ds
->ds_dir_obj
);
1400 (void) printf("\t\tprev_snap_obj = %llu\n",
1401 (u_longlong_t
)ds
->ds_prev_snap_obj
);
1402 (void) printf("\t\tprev_snap_txg = %llu\n",
1403 (u_longlong_t
)ds
->ds_prev_snap_txg
);
1404 (void) printf("\t\tnext_snap_obj = %llu\n",
1405 (u_longlong_t
)ds
->ds_next_snap_obj
);
1406 (void) printf("\t\tsnapnames_zapobj = %llu\n",
1407 (u_longlong_t
)ds
->ds_snapnames_zapobj
);
1408 (void) printf("\t\tnum_children = %llu\n",
1409 (u_longlong_t
)ds
->ds_num_children
);
1410 (void) printf("\t\tuserrefs_obj = %llu\n",
1411 (u_longlong_t
)ds
->ds_userrefs_obj
);
1412 (void) printf("\t\tcreation_time = %s", ctime(&crtime
));
1413 (void) printf("\t\tcreation_txg = %llu\n",
1414 (u_longlong_t
)ds
->ds_creation_txg
);
1415 (void) printf("\t\tdeadlist_obj = %llu\n",
1416 (u_longlong_t
)ds
->ds_deadlist_obj
);
1417 (void) printf("\t\tused_bytes = %s\n", used
);
1418 (void) printf("\t\tcompressed_bytes = %s\n", compressed
);
1419 (void) printf("\t\tuncompressed_bytes = %s\n", uncompressed
);
1420 (void) printf("\t\tunique = %s\n", unique
);
1421 (void) printf("\t\tfsid_guid = %llu\n",
1422 (u_longlong_t
)ds
->ds_fsid_guid
);
1423 (void) printf("\t\tguid = %llu\n",
1424 (u_longlong_t
)ds
->ds_guid
);
1425 (void) printf("\t\tflags = %llx\n",
1426 (u_longlong_t
)ds
->ds_flags
);
1427 (void) printf("\t\tnext_clones_obj = %llu\n",
1428 (u_longlong_t
)ds
->ds_next_clones_obj
);
1429 (void) printf("\t\tprops_obj = %llu\n",
1430 (u_longlong_t
)ds
->ds_props_obj
);
1431 (void) printf("\t\tbp = %s\n", blkbuf
);
1436 dump_bptree_cb(void *arg
, const blkptr_t
*bp
, dmu_tx_t
*tx
)
1438 char blkbuf
[BP_SPRINTF_LEN
];
1440 if (bp
->blk_birth
!= 0) {
1441 snprintf_blkptr(blkbuf
, sizeof (blkbuf
), bp
);
1442 (void) printf("\t%s\n", blkbuf
);
1448 dump_bptree(objset_t
*os
, uint64_t obj
, char *name
)
1454 if (dump_opt
['d'] < 3)
1457 VERIFY3U(0, ==, dmu_bonus_hold(os
, obj
, FTAG
, &db
));
1459 zdb_nicenum(bt
->bt_bytes
, bytes
);
1460 (void) printf("\n %s: %llu datasets, %s\n",
1461 name
, (unsigned long long)(bt
->bt_end
- bt
->bt_begin
), bytes
);
1462 dmu_buf_rele(db
, FTAG
);
1464 if (dump_opt
['d'] < 5)
1467 (void) printf("\n");
1469 (void) bptree_iterate(os
, obj
, B_FALSE
, dump_bptree_cb
, NULL
, NULL
);
1474 dump_bpobj_cb(void *arg
, const blkptr_t
*bp
, dmu_tx_t
*tx
)
1476 char blkbuf
[BP_SPRINTF_LEN
];
1478 ASSERT(bp
->blk_birth
!= 0);
1479 snprintf_blkptr_compact(blkbuf
, sizeof (blkbuf
), bp
);
1480 (void) printf("\t%s\n", blkbuf
);
1485 dump_full_bpobj(bpobj_t
*bpo
, char *name
, int indent
)
1492 if (dump_opt
['d'] < 3)
1495 zdb_nicenum(bpo
->bpo_phys
->bpo_bytes
, bytes
);
1496 if (bpo
->bpo_havesubobj
&& bpo
->bpo_phys
->bpo_subobjs
!= 0) {
1497 zdb_nicenum(bpo
->bpo_phys
->bpo_comp
, comp
);
1498 zdb_nicenum(bpo
->bpo_phys
->bpo_uncomp
, uncomp
);
1499 (void) printf(" %*s: object %llu, %llu local blkptrs, "
1500 "%llu subobjs in object, %llu, %s (%s/%s comp)\n",
1502 (u_longlong_t
)bpo
->bpo_object
,
1503 (u_longlong_t
)bpo
->bpo_phys
->bpo_num_blkptrs
,
1504 (u_longlong_t
)bpo
->bpo_phys
->bpo_num_subobjs
,
1505 (u_longlong_t
)bpo
->bpo_phys
->bpo_subobjs
,
1506 bytes
, comp
, uncomp
);
1508 for (i
= 0; i
< bpo
->bpo_phys
->bpo_num_subobjs
; i
++) {
1512 VERIFY0(dmu_read(bpo
->bpo_os
,
1513 bpo
->bpo_phys
->bpo_subobjs
,
1514 i
* sizeof (subobj
), sizeof (subobj
), &subobj
, 0));
1515 error
= bpobj_open(&subbpo
, bpo
->bpo_os
, subobj
);
1517 (void) printf("ERROR %u while trying to open "
1519 error
, (u_longlong_t
)subobj
);
1522 dump_full_bpobj(&subbpo
, "subobj", indent
+ 1);
1523 bpobj_close(&subbpo
);
1526 (void) printf(" %*s: object %llu, %llu blkptrs, %s\n",
1528 (u_longlong_t
)bpo
->bpo_object
,
1529 (u_longlong_t
)bpo
->bpo_phys
->bpo_num_blkptrs
,
1533 if (dump_opt
['d'] < 5)
1538 (void) bpobj_iterate_nofree(bpo
, dump_bpobj_cb
, NULL
, NULL
);
1539 (void) printf("\n");
1544 dump_deadlist(dsl_deadlist_t
*dl
)
1546 dsl_deadlist_entry_t
*dle
;
1552 if (dump_opt
['d'] < 3)
1555 if (dl
->dl_oldfmt
) {
1556 dump_full_bpobj(&dl
->dl_bpobj
, "old-format deadlist", 0);
1560 zdb_nicenum(dl
->dl_phys
->dl_used
, bytes
);
1561 zdb_nicenum(dl
->dl_phys
->dl_comp
, comp
);
1562 zdb_nicenum(dl
->dl_phys
->dl_uncomp
, uncomp
);
1563 (void) printf("\n Deadlist: %s (%s/%s comp)\n",
1564 bytes
, comp
, uncomp
);
1566 if (dump_opt
['d'] < 4)
1569 (void) printf("\n");
1571 /* force the tree to be loaded */
1572 dsl_deadlist_space_range(dl
, 0, UINT64_MAX
, &unused
, &unused
, &unused
);
1574 for (dle
= avl_first(&dl
->dl_tree
); dle
;
1575 dle
= AVL_NEXT(&dl
->dl_tree
, dle
)) {
1576 if (dump_opt
['d'] >= 5) {
1578 (void) snprintf(buf
, sizeof (buf
),
1579 "mintxg %llu -> obj %llu",
1580 (longlong_t
)dle
->dle_mintxg
,
1581 (longlong_t
)dle
->dle_bpobj
.bpo_object
);
1583 dump_full_bpobj(&dle
->dle_bpobj
, buf
, 0);
1585 (void) printf("mintxg %llu -> obj %llu\n",
1586 (longlong_t
)dle
->dle_mintxg
,
1587 (longlong_t
)dle
->dle_bpobj
.bpo_object
);
1593 static avl_tree_t idx_tree
;
1594 static avl_tree_t domain_tree
;
1595 static boolean_t fuid_table_loaded
;
1596 static boolean_t sa_loaded
;
1597 sa_attr_type_t
*sa_attr_table
;
1600 fuid_table_destroy(void)
1602 if (fuid_table_loaded
) {
1603 zfs_fuid_table_destroy(&idx_tree
, &domain_tree
);
1604 fuid_table_loaded
= B_FALSE
;
1609 * print uid or gid information.
1610 * For normal POSIX id just the id is printed in decimal format.
1611 * For CIFS files with FUID the fuid is printed in hex followed by
1612 * the domain-rid string.
1615 print_idstr(uint64_t id
, const char *id_type
)
1617 if (FUID_INDEX(id
)) {
1620 domain
= zfs_fuid_idx_domain(&idx_tree
, FUID_INDEX(id
));
1621 (void) printf("\t%s %llx [%s-%d]\n", id_type
,
1622 (u_longlong_t
)id
, domain
, (int)FUID_RID(id
));
1624 (void) printf("\t%s %llu\n", id_type
, (u_longlong_t
)id
);
1630 dump_uidgid(objset_t
*os
, uint64_t uid
, uint64_t gid
)
1632 uint32_t uid_idx
, gid_idx
;
1634 uid_idx
= FUID_INDEX(uid
);
1635 gid_idx
= FUID_INDEX(gid
);
1637 /* Load domain table, if not already loaded */
1638 if (!fuid_table_loaded
&& (uid_idx
|| gid_idx
)) {
1641 /* first find the fuid object. It lives in the master node */
1642 VERIFY(zap_lookup(os
, MASTER_NODE_OBJ
, ZFS_FUID_TABLES
,
1643 8, 1, &fuid_obj
) == 0);
1644 zfs_fuid_avl_tree_create(&idx_tree
, &domain_tree
);
1645 (void) zfs_fuid_table_load(os
, fuid_obj
,
1646 &idx_tree
, &domain_tree
);
1647 fuid_table_loaded
= B_TRUE
;
1650 print_idstr(uid
, "uid");
1651 print_idstr(gid
, "gid");
1655 dump_znode_sa_xattr(sa_handle_t
*hdl
)
1658 nvpair_t
*elem
= NULL
;
1659 int sa_xattr_size
= 0;
1660 int sa_xattr_entries
= 0;
1662 char *sa_xattr_packed
;
1664 error
= sa_size(hdl
, sa_attr_table
[ZPL_DXATTR
], &sa_xattr_size
);
1665 if (error
|| sa_xattr_size
== 0)
1668 sa_xattr_packed
= malloc(sa_xattr_size
);
1669 if (sa_xattr_packed
== NULL
)
1672 error
= sa_lookup(hdl
, sa_attr_table
[ZPL_DXATTR
],
1673 sa_xattr_packed
, sa_xattr_size
);
1675 free(sa_xattr_packed
);
1679 error
= nvlist_unpack(sa_xattr_packed
, sa_xattr_size
, &sa_xattr
, 0);
1681 free(sa_xattr_packed
);
1685 while ((elem
= nvlist_next_nvpair(sa_xattr
, elem
)) != NULL
)
1688 (void) printf("\tSA xattrs: %d bytes, %d entries\n\n",
1689 sa_xattr_size
, sa_xattr_entries
);
1690 while ((elem
= nvlist_next_nvpair(sa_xattr
, elem
)) != NULL
) {
1694 (void) printf("\t\t%s = ", nvpair_name(elem
));
1695 nvpair_value_byte_array(elem
, &value
, &cnt
);
1696 for (idx
= 0; idx
< cnt
; ++idx
) {
1697 if (isprint(value
[idx
]))
1698 (void) putchar(value
[idx
]);
1700 (void) printf("\\%3.3o", value
[idx
]);
1702 (void) putchar('\n');
1705 nvlist_free(sa_xattr
);
1706 free(sa_xattr_packed
);
1711 dump_znode(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
1713 char path
[MAXPATHLEN
* 2]; /* allow for xattr and failure prefix */
1715 uint64_t xattr
, rdev
, gen
;
1716 uint64_t uid
, gid
, mode
, fsize
, parent
, links
;
1718 uint64_t acctm
[2], modtm
[2], chgtm
[2], crtm
[2];
1719 time_t z_crtime
, z_atime
, z_mtime
, z_ctime
;
1720 sa_bulk_attr_t bulk
[12];
1725 uint64_t sa_attrs
= 0;
1728 VERIFY(zap_lookup(os
, MASTER_NODE_OBJ
, ZPL_VERSION_STR
,
1729 8, 1, &version
) == 0);
1730 if (version
>= ZPL_VERSION_SA
) {
1731 VERIFY(zap_lookup(os
, MASTER_NODE_OBJ
, ZFS_SA_ATTRS
,
1732 8, 1, &sa_attrs
) == 0);
1734 if ((error
= sa_setup(os
, sa_attrs
, zfs_attr_table
,
1735 ZPL_END
, &sa_attr_table
)) != 0) {
1736 (void) printf("sa_setup failed errno %d, can't "
1737 "display znode contents\n", error
);
1743 if (sa_handle_get(os
, object
, NULL
, SA_HDL_PRIVATE
, &hdl
)) {
1744 (void) printf("Failed to get handle for SA znode\n");
1748 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_UID
], NULL
, &uid
, 8);
1749 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_GID
], NULL
, &gid
, 8);
1750 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_LINKS
], NULL
,
1752 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_GEN
], NULL
, &gen
, 8);
1753 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_MODE
], NULL
,
1755 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_PARENT
],
1757 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_SIZE
], NULL
,
1759 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_ATIME
], NULL
,
1761 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_MTIME
], NULL
,
1763 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_CRTIME
], NULL
,
1765 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_CTIME
], NULL
,
1767 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_FLAGS
], NULL
,
1770 if (sa_bulk_lookup(hdl
, bulk
, idx
)) {
1771 (void) sa_handle_destroy(hdl
);
1775 error
= zfs_obj_to_path(os
, object
, path
, sizeof (path
));
1777 (void) snprintf(path
, sizeof (path
), "\?\?\?<object#%llu>",
1778 (u_longlong_t
)object
);
1780 if (dump_opt
['d'] < 3) {
1781 (void) printf("\t%s\n", path
);
1782 (void) sa_handle_destroy(hdl
);
1786 z_crtime
= (time_t)crtm
[0];
1787 z_atime
= (time_t)acctm
[0];
1788 z_mtime
= (time_t)modtm
[0];
1789 z_ctime
= (time_t)chgtm
[0];
1791 (void) printf("\tpath %s\n", path
);
1792 dump_uidgid(os
, uid
, gid
);
1793 (void) printf("\tatime %s", ctime(&z_atime
));
1794 (void) printf("\tmtime %s", ctime(&z_mtime
));
1795 (void) printf("\tctime %s", ctime(&z_ctime
));
1796 (void) printf("\tcrtime %s", ctime(&z_crtime
));
1797 (void) printf("\tgen %llu\n", (u_longlong_t
)gen
);
1798 (void) printf("\tmode %llo\n", (u_longlong_t
)mode
);
1799 (void) printf("\tsize %llu\n", (u_longlong_t
)fsize
);
1800 (void) printf("\tparent %llu\n", (u_longlong_t
)parent
);
1801 (void) printf("\tlinks %llu\n", (u_longlong_t
)links
);
1802 (void) printf("\tpflags %llx\n", (u_longlong_t
)pflags
);
1803 if (sa_lookup(hdl
, sa_attr_table
[ZPL_XATTR
], &xattr
,
1804 sizeof (uint64_t)) == 0)
1805 (void) printf("\txattr %llu\n", (u_longlong_t
)xattr
);
1806 if (sa_lookup(hdl
, sa_attr_table
[ZPL_RDEV
], &rdev
,
1807 sizeof (uint64_t)) == 0)
1808 (void) printf("\trdev 0x%016llx\n", (u_longlong_t
)rdev
);
1809 dump_znode_sa_xattr(hdl
);
1810 sa_handle_destroy(hdl
);
1815 dump_acl(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
1821 dump_dmu_objset(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
1825 static object_viewer_t
*object_viewer
[DMU_OT_NUMTYPES
+ 1] = {
1826 dump_none
, /* unallocated */
1827 dump_zap
, /* object directory */
1828 dump_uint64
, /* object array */
1829 dump_none
, /* packed nvlist */
1830 dump_packed_nvlist
, /* packed nvlist size */
1831 dump_none
, /* bpobj */
1832 dump_bpobj
, /* bpobj header */
1833 dump_none
, /* SPA space map header */
1834 dump_none
, /* SPA space map */
1835 dump_none
, /* ZIL intent log */
1836 dump_dnode
, /* DMU dnode */
1837 dump_dmu_objset
, /* DMU objset */
1838 dump_dsl_dir
, /* DSL directory */
1839 dump_zap
, /* DSL directory child map */
1840 dump_zap
, /* DSL dataset snap map */
1841 dump_zap
, /* DSL props */
1842 dump_dsl_dataset
, /* DSL dataset */
1843 dump_znode
, /* ZFS znode */
1844 dump_acl
, /* ZFS V0 ACL */
1845 dump_uint8
, /* ZFS plain file */
1846 dump_zpldir
, /* ZFS directory */
1847 dump_zap
, /* ZFS master node */
1848 dump_zap
, /* ZFS delete queue */
1849 dump_uint8
, /* zvol object */
1850 dump_zap
, /* zvol prop */
1851 dump_uint8
, /* other uint8[] */
1852 dump_uint64
, /* other uint64[] */
1853 dump_zap
, /* other ZAP */
1854 dump_zap
, /* persistent error log */
1855 dump_uint8
, /* SPA history */
1856 dump_history_offsets
, /* SPA history offsets */
1857 dump_zap
, /* Pool properties */
1858 dump_zap
, /* DSL permissions */
1859 dump_acl
, /* ZFS ACL */
1860 dump_uint8
, /* ZFS SYSACL */
1861 dump_none
, /* FUID nvlist */
1862 dump_packed_nvlist
, /* FUID nvlist size */
1863 dump_zap
, /* DSL dataset next clones */
1864 dump_zap
, /* DSL scrub queue */
1865 dump_zap
, /* ZFS user/group used */
1866 dump_zap
, /* ZFS user/group quota */
1867 dump_zap
, /* snapshot refcount tags */
1868 dump_ddt_zap
, /* DDT ZAP object */
1869 dump_zap
, /* DDT statistics */
1870 dump_znode
, /* SA object */
1871 dump_zap
, /* SA Master Node */
1872 dump_sa_attrs
, /* SA attribute registration */
1873 dump_sa_layouts
, /* SA attribute layouts */
1874 dump_zap
, /* DSL scrub translations */
1875 dump_none
, /* fake dedup BP */
1876 dump_zap
, /* deadlist */
1877 dump_none
, /* deadlist hdr */
1878 dump_zap
, /* dsl clones */
1879 dump_bpobj_subobjs
, /* bpobj subobjs */
1880 dump_unknown
, /* Unknown type, must be last */
1884 dump_object(objset_t
*os
, uint64_t object
, int verbosity
, int *print_header
)
1886 dmu_buf_t
*db
= NULL
;
1887 dmu_object_info_t doi
;
1891 char iblk
[32], dblk
[32], lsize
[32], asize
[32], fill
[32], dnsize
[32];
1892 char bonus_size
[32];
1896 if (*print_header
) {
1897 (void) printf("\n%10s %3s %5s %5s %5s %6s %5s %6s %s\n",
1898 "Object", "lvl", "iblk", "dblk", "dsize", "dnsize",
1899 "lsize", "%full", "type");
1904 dn
= DMU_META_DNODE(os
);
1906 error
= dmu_bonus_hold(os
, object
, FTAG
, &db
);
1908 fatal("dmu_bonus_hold(%llu) failed, errno %u",
1910 bonus
= db
->db_data
;
1911 bsize
= db
->db_size
;
1912 dn
= DB_DNODE((dmu_buf_impl_t
*)db
);
1914 dmu_object_info_from_dnode(dn
, &doi
);
1916 zdb_nicenum(doi
.doi_metadata_block_size
, iblk
);
1917 zdb_nicenum(doi
.doi_data_block_size
, dblk
);
1918 zdb_nicenum(doi
.doi_max_offset
, lsize
);
1919 zdb_nicenum(doi
.doi_physical_blocks_512
<< 9, asize
);
1920 zdb_nicenum(doi
.doi_bonus_size
, bonus_size
);
1921 zdb_nicenum(doi
.doi_dnodesize
, dnsize
);
1922 (void) sprintf(fill
, "%6.2f", 100.0 * doi
.doi_fill_count
*
1923 doi
.doi_data_block_size
/ (object
== 0 ? DNODES_PER_BLOCK
: 1) /
1924 doi
.doi_max_offset
);
1928 if (doi
.doi_checksum
!= ZIO_CHECKSUM_INHERIT
|| verbosity
>= 6) {
1929 (void) snprintf(aux
+ strlen(aux
), sizeof (aux
), " (K=%s)",
1930 ZDB_CHECKSUM_NAME(doi
.doi_checksum
));
1933 if (doi
.doi_compress
!= ZIO_COMPRESS_INHERIT
|| verbosity
>= 6) {
1934 (void) snprintf(aux
+ strlen(aux
), sizeof (aux
), " (Z=%s)",
1935 ZDB_COMPRESS_NAME(doi
.doi_compress
));
1938 (void) printf("%10lld %3u %5s %5s %5s %6s %5s %6s %s%s\n",
1939 (u_longlong_t
)object
, doi
.doi_indirection
, iblk
, dblk
,
1940 asize
, dnsize
, lsize
, fill
, zdb_ot_name(doi
.doi_type
), aux
);
1942 if (doi
.doi_bonus_type
!= DMU_OT_NONE
&& verbosity
> 3) {
1943 (void) printf("%10s %3s %5s %5s %5s %5s %5s %6s %s\n",
1944 "", "", "", "", "", "", bonus_size
, "bonus",
1945 zdb_ot_name(doi
.doi_bonus_type
));
1948 if (verbosity
>= 4) {
1949 (void) printf("\tdnode flags: %s%s%s\n",
1950 (dn
->dn_phys
->dn_flags
& DNODE_FLAG_USED_BYTES
) ?
1952 (dn
->dn_phys
->dn_flags
& DNODE_FLAG_USERUSED_ACCOUNTED
) ?
1953 "USERUSED_ACCOUNTED " : "",
1954 (dn
->dn_phys
->dn_flags
& DNODE_FLAG_SPILL_BLKPTR
) ?
1955 "SPILL_BLKPTR" : "");
1956 (void) printf("\tdnode maxblkid: %llu\n",
1957 (longlong_t
)dn
->dn_phys
->dn_maxblkid
);
1959 object_viewer
[ZDB_OT_TYPE(doi
.doi_bonus_type
)](os
, object
,
1961 object_viewer
[ZDB_OT_TYPE(doi
.doi_type
)](os
, object
, NULL
, 0);
1968 if (verbosity
>= 5) {
1970 * Report the list of segments that comprise the object.
1974 uint64_t blkfill
= 1;
1977 if (dn
->dn_type
== DMU_OT_DNODE
) {
1979 blkfill
= DNODES_PER_BLOCK
;
1984 error
= dnode_next_offset(dn
,
1985 0, &start
, minlvl
, blkfill
, 0);
1989 error
= dnode_next_offset(dn
,
1990 DNODE_FIND_HOLE
, &end
, minlvl
, blkfill
, 0);
1991 zdb_nicenum(end
- start
, segsize
);
1992 (void) printf("\t\tsegment [%016llx, %016llx)"
1993 " size %5s\n", (u_longlong_t
)start
,
1994 (u_longlong_t
)end
, segsize
);
2002 dmu_buf_rele(db
, FTAG
);
2005 static char *objset_types
[DMU_OST_NUMTYPES
] = {
2006 "NONE", "META", "ZPL", "ZVOL", "OTHER", "ANY" };
2009 dump_dir(objset_t
*os
)
2011 dmu_objset_stats_t dds
;
2012 uint64_t object
, object_count
;
2013 uint64_t refdbytes
, usedobjs
, scratch
;
2015 char blkbuf
[BP_SPRINTF_LEN
+ 20];
2016 char osname
[ZFS_MAX_DATASET_NAME_LEN
];
2017 char *type
= "UNKNOWN";
2018 int verbosity
= dump_opt
['d'];
2019 int print_header
= 1;
2022 dsl_pool_config_enter(dmu_objset_pool(os
), FTAG
);
2023 dmu_objset_fast_stat(os
, &dds
);
2024 dsl_pool_config_exit(dmu_objset_pool(os
), FTAG
);
2026 if (dds
.dds_type
< DMU_OST_NUMTYPES
)
2027 type
= objset_types
[dds
.dds_type
];
2029 if (dds
.dds_type
== DMU_OST_META
) {
2030 dds
.dds_creation_txg
= TXG_INITIAL
;
2031 usedobjs
= BP_GET_FILL(os
->os_rootbp
);
2032 refdbytes
= dsl_dir_phys(os
->os_spa
->spa_dsl_pool
->dp_mos_dir
)->
2035 dmu_objset_space(os
, &refdbytes
, &scratch
, &usedobjs
, &scratch
);
2038 ASSERT3U(usedobjs
, ==, BP_GET_FILL(os
->os_rootbp
));
2040 zdb_nicenum(refdbytes
, numbuf
);
2042 if (verbosity
>= 4) {
2043 (void) snprintf(blkbuf
, sizeof (blkbuf
), ", rootbp ");
2044 (void) snprintf_blkptr(blkbuf
+ strlen(blkbuf
),
2045 sizeof (blkbuf
) - strlen(blkbuf
), os
->os_rootbp
);
2050 dmu_objset_name(os
, osname
);
2052 (void) printf("Dataset %s [%s], ID %llu, cr_txg %llu, "
2053 "%s, %llu objects%s\n",
2054 osname
, type
, (u_longlong_t
)dmu_objset_id(os
),
2055 (u_longlong_t
)dds
.dds_creation_txg
,
2056 numbuf
, (u_longlong_t
)usedobjs
, blkbuf
);
2058 if (zopt_objects
!= 0) {
2059 for (i
= 0; i
< zopt_objects
; i
++)
2060 dump_object(os
, zopt_object
[i
], verbosity
,
2062 (void) printf("\n");
2066 if (dump_opt
['i'] != 0 || verbosity
>= 2)
2067 dump_intent_log(dmu_objset_zil(os
));
2069 if (dmu_objset_ds(os
) != NULL
)
2070 dump_deadlist(&dmu_objset_ds(os
)->ds_deadlist
);
2075 if (BP_IS_HOLE(os
->os_rootbp
))
2078 dump_object(os
, 0, verbosity
, &print_header
);
2080 if (DMU_USERUSED_DNODE(os
) != NULL
&&
2081 DMU_USERUSED_DNODE(os
)->dn_type
!= 0) {
2082 dump_object(os
, DMU_USERUSED_OBJECT
, verbosity
, &print_header
);
2083 dump_object(os
, DMU_GROUPUSED_OBJECT
, verbosity
, &print_header
);
2087 while ((error
= dmu_object_next(os
, &object
, B_FALSE
, 0)) == 0) {
2088 dump_object(os
, object
, verbosity
, &print_header
);
2092 ASSERT3U(object_count
, ==, usedobjs
);
2094 (void) printf("\n");
2096 if (error
!= ESRCH
) {
2097 (void) fprintf(stderr
, "dmu_object_next() = %d\n", error
);
2103 dump_uberblock(uberblock_t
*ub
, const char *header
, const char *footer
)
2105 time_t timestamp
= ub
->ub_timestamp
;
2107 (void) printf("%s", header
? header
: "");
2108 (void) printf("\tmagic = %016llx\n", (u_longlong_t
)ub
->ub_magic
);
2109 (void) printf("\tversion = %llu\n", (u_longlong_t
)ub
->ub_version
);
2110 (void) printf("\ttxg = %llu\n", (u_longlong_t
)ub
->ub_txg
);
2111 (void) printf("\tguid_sum = %llu\n", (u_longlong_t
)ub
->ub_guid_sum
);
2112 (void) printf("\ttimestamp = %llu UTC = %s",
2113 (u_longlong_t
)ub
->ub_timestamp
, asctime(localtime(×tamp
)));
2114 if (dump_opt
['u'] >= 3) {
2115 char blkbuf
[BP_SPRINTF_LEN
];
2116 snprintf_blkptr(blkbuf
, sizeof (blkbuf
), &ub
->ub_rootbp
);
2117 (void) printf("\trootbp = %s\n", blkbuf
);
2119 (void) printf("%s", footer
? footer
: "");
2123 dump_config(spa_t
*spa
)
2130 error
= dmu_bonus_hold(spa
->spa_meta_objset
,
2131 spa
->spa_config_object
, FTAG
, &db
);
2134 nvsize
= *(uint64_t *)db
->db_data
;
2135 dmu_buf_rele(db
, FTAG
);
2137 (void) printf("\nMOS Configuration:\n");
2138 dump_packed_nvlist(spa
->spa_meta_objset
,
2139 spa
->spa_config_object
, (void *)&nvsize
, 1);
2141 (void) fprintf(stderr
, "dmu_bonus_hold(%llu) failed, errno %d",
2142 (u_longlong_t
)spa
->spa_config_object
, error
);
2147 dump_cachefile(const char *cachefile
)
2150 struct stat64 statbuf
;
2154 if ((fd
= open64(cachefile
, O_RDONLY
)) < 0) {
2155 (void) printf("cannot open '%s': %s\n", cachefile
,
2160 if (fstat64(fd
, &statbuf
) != 0) {
2161 (void) printf("failed to stat '%s': %s\n", cachefile
,
2166 if ((buf
= malloc(statbuf
.st_size
)) == NULL
) {
2167 (void) fprintf(stderr
, "failed to allocate %llu bytes\n",
2168 (u_longlong_t
)statbuf
.st_size
);
2172 if (read(fd
, buf
, statbuf
.st_size
) != statbuf
.st_size
) {
2173 (void) fprintf(stderr
, "failed to read %llu bytes\n",
2174 (u_longlong_t
)statbuf
.st_size
);
2180 if (nvlist_unpack(buf
, statbuf
.st_size
, &config
, 0) != 0) {
2181 (void) fprintf(stderr
, "failed to unpack nvlist\n");
2187 dump_nvlist(config
, 0);
2189 nvlist_free(config
);
2192 #define ZDB_MAX_UB_HEADER_SIZE 32
2195 dump_label_uberblocks(vdev_label_t
*lbl
, uint64_t ashift
)
2199 char header
[ZDB_MAX_UB_HEADER_SIZE
];
2202 vd
.vdev_ashift
= ashift
;
2203 vdp
->vdev_top
= vdp
;
2205 for (i
= 0; i
< VDEV_UBERBLOCK_COUNT(vdp
); i
++) {
2206 uint64_t uoff
= VDEV_UBERBLOCK_OFFSET(vdp
, i
);
2207 uberblock_t
*ub
= (void *)((char *)lbl
+ uoff
);
2209 if (uberblock_verify(ub
))
2211 (void) snprintf(header
, ZDB_MAX_UB_HEADER_SIZE
,
2212 "Uberblock[%d]\n", i
);
2213 dump_uberblock(ub
, header
, "");
2218 dump_label(const char *dev
)
2222 char *path
, *buf
= label
.vl_vdev_phys
.vp_nvlist
;
2223 size_t buflen
= sizeof (label
.vl_vdev_phys
.vp_nvlist
);
2224 struct stat64 statbuf
;
2225 uint64_t psize
, ashift
;
2226 int len
= strlen(dev
) + 1;
2229 if (strncmp(dev
, "/dev/dsk/", 9) == 0) {
2232 (void) snprintf(path
, len
, "%s%s", "/dev/rdsk/", dev
+ 9);
2237 if ((fd
= open64(path
, O_RDONLY
)) < 0) {
2238 (void) printf("cannot open '%s': %s\n", path
, strerror(errno
));
2243 if (fstat64_blk(fd
, &statbuf
) != 0) {
2244 (void) printf("failed to stat '%s': %s\n", path
,
2251 psize
= statbuf
.st_size
;
2252 psize
= P2ALIGN(psize
, (uint64_t)sizeof (vdev_label_t
));
2254 for (l
= 0; l
< VDEV_LABELS
; l
++) {
2255 nvlist_t
*config
= NULL
;
2257 (void) printf("--------------------------------------------\n");
2258 (void) printf("LABEL %d\n", l
);
2259 (void) printf("--------------------------------------------\n");
2261 if (pread64(fd
, &label
, sizeof (label
),
2262 vdev_label_offset(psize
, l
, 0)) != sizeof (label
)) {
2263 (void) printf("failed to read label %d\n", l
);
2267 if (nvlist_unpack(buf
, buflen
, &config
, 0) != 0) {
2268 (void) printf("failed to unpack label %d\n", l
);
2269 ashift
= SPA_MINBLOCKSHIFT
;
2271 nvlist_t
*vdev_tree
= NULL
;
2273 dump_nvlist(config
, 4);
2274 if ((nvlist_lookup_nvlist(config
,
2275 ZPOOL_CONFIG_VDEV_TREE
, &vdev_tree
) != 0) ||
2276 (nvlist_lookup_uint64(vdev_tree
,
2277 ZPOOL_CONFIG_ASHIFT
, &ashift
) != 0))
2278 ashift
= SPA_MINBLOCKSHIFT
;
2279 nvlist_free(config
);
2282 dump_label_uberblocks(&label
, ashift
);
2289 static uint64_t dataset_feature_count
[SPA_FEATURES
];
2293 dump_one_dir(const char *dsname
, void *arg
)
2299 error
= dmu_objset_own(dsname
, DMU_OST_ANY
, B_TRUE
, FTAG
, &os
);
2301 (void) printf("Could not open %s, error %d\n", dsname
, error
);
2305 for (f
= 0; f
< SPA_FEATURES
; f
++) {
2306 if (!dmu_objset_ds(os
)->ds_feature_inuse
[f
])
2308 ASSERT(spa_feature_table
[f
].fi_flags
&
2309 ZFEATURE_FLAG_PER_DATASET
);
2310 dataset_feature_count
[f
]++;
2314 dmu_objset_disown(os
, FTAG
);
2315 fuid_table_destroy();
2316 sa_loaded
= B_FALSE
;
2323 #define PSIZE_HISTO_SIZE (SPA_OLD_MAXBLOCKSIZE / SPA_MINBLOCKSIZE + 2)
2324 typedef struct zdb_blkstats
{
2330 uint64_t zb_ditto_samevdev
;
2331 uint64_t zb_psize_histogram
[PSIZE_HISTO_SIZE
];
2335 * Extended object types to report deferred frees and dedup auto-ditto blocks.
2337 #define ZDB_OT_DEFERRED (DMU_OT_NUMTYPES + 0)
2338 #define ZDB_OT_DITTO (DMU_OT_NUMTYPES + 1)
2339 #define ZDB_OT_OTHER (DMU_OT_NUMTYPES + 2)
2340 #define ZDB_OT_TOTAL (DMU_OT_NUMTYPES + 3)
2342 static char *zdb_ot_extname
[] = {
2349 #define ZB_TOTAL DN_MAX_LEVELS
2351 typedef struct zdb_cb
{
2352 zdb_blkstats_t zcb_type
[ZB_TOTAL
+ 1][ZDB_OT_TOTAL
+ 1];
2353 uint64_t zcb_dedup_asize
;
2354 uint64_t zcb_dedup_blocks
;
2355 uint64_t zcb_embedded_blocks
[NUM_BP_EMBEDDED_TYPES
];
2356 uint64_t zcb_embedded_histogram
[NUM_BP_EMBEDDED_TYPES
]
2357 [BPE_PAYLOAD_SIZE
+ 1];
2359 uint64_t zcb_lastprint
;
2360 uint64_t zcb_totalasize
;
2361 uint64_t zcb_errors
[256];
2368 zdb_count_block(zdb_cb_t
*zcb
, zilog_t
*zilog
, const blkptr_t
*bp
,
2369 dmu_object_type_t type
)
2371 uint64_t refcnt
= 0;
2374 ASSERT(type
< ZDB_OT_TOTAL
);
2376 if (zilog
&& zil_bp_tree_add(zilog
, bp
) != 0)
2379 for (i
= 0; i
< 4; i
++) {
2380 int l
= (i
< 2) ? BP_GET_LEVEL(bp
) : ZB_TOTAL
;
2381 int t
= (i
& 1) ? type
: ZDB_OT_TOTAL
;
2383 zdb_blkstats_t
*zb
= &zcb
->zcb_type
[l
][t
];
2385 zb
->zb_asize
+= BP_GET_ASIZE(bp
);
2386 zb
->zb_lsize
+= BP_GET_LSIZE(bp
);
2387 zb
->zb_psize
+= BP_GET_PSIZE(bp
);
2391 * The histogram is only big enough to record blocks up to
2392 * SPA_OLD_MAXBLOCKSIZE; larger blocks go into the last,
2395 int idx
= BP_GET_PSIZE(bp
) >> SPA_MINBLOCKSHIFT
;
2396 idx
= MIN(idx
, SPA_OLD_MAXBLOCKSIZE
/ SPA_MINBLOCKSIZE
+ 1);
2397 zb
->zb_psize_histogram
[idx
]++;
2399 zb
->zb_gangs
+= BP_COUNT_GANG(bp
);
2401 switch (BP_GET_NDVAS(bp
)) {
2403 if (DVA_GET_VDEV(&bp
->blk_dva
[0]) ==
2404 DVA_GET_VDEV(&bp
->blk_dva
[1]))
2405 zb
->zb_ditto_samevdev
++;
2408 equal
= (DVA_GET_VDEV(&bp
->blk_dva
[0]) ==
2409 DVA_GET_VDEV(&bp
->blk_dva
[1])) +
2410 (DVA_GET_VDEV(&bp
->blk_dva
[0]) ==
2411 DVA_GET_VDEV(&bp
->blk_dva
[2])) +
2412 (DVA_GET_VDEV(&bp
->blk_dva
[1]) ==
2413 DVA_GET_VDEV(&bp
->blk_dva
[2]));
2415 zb
->zb_ditto_samevdev
++;
2421 if (BP_IS_EMBEDDED(bp
)) {
2422 zcb
->zcb_embedded_blocks
[BPE_GET_ETYPE(bp
)]++;
2423 zcb
->zcb_embedded_histogram
[BPE_GET_ETYPE(bp
)]
2424 [BPE_GET_PSIZE(bp
)]++;
2431 if (BP_GET_DEDUP(bp
)) {
2435 ddt
= ddt_select(zcb
->zcb_spa
, bp
);
2437 dde
= ddt_lookup(ddt
, bp
, B_FALSE
);
2442 ddt_phys_t
*ddp
= ddt_phys_select(dde
, bp
);
2443 ddt_phys_decref(ddp
);
2444 refcnt
= ddp
->ddp_refcnt
;
2445 if (ddt_phys_total_refcnt(dde
) == 0)
2446 ddt_remove(ddt
, dde
);
2451 VERIFY3U(zio_wait(zio_claim(NULL
, zcb
->zcb_spa
,
2452 refcnt
? 0 : spa_first_txg(zcb
->zcb_spa
),
2453 bp
, NULL
, NULL
, ZIO_FLAG_CANFAIL
)), ==, 0);
2457 zdb_blkptr_done(zio_t
*zio
)
2459 spa_t
*spa
= zio
->io_spa
;
2460 blkptr_t
*bp
= zio
->io_bp
;
2461 int ioerr
= zio
->io_error
;
2462 zdb_cb_t
*zcb
= zio
->io_private
;
2463 zbookmark_phys_t
*zb
= &zio
->io_bookmark
;
2465 zio_data_buf_free(zio
->io_data
, zio
->io_size
);
2467 mutex_enter(&spa
->spa_scrub_lock
);
2468 spa
->spa_scrub_inflight
--;
2469 cv_broadcast(&spa
->spa_scrub_io_cv
);
2471 if (ioerr
&& !(zio
->io_flags
& ZIO_FLAG_SPECULATIVE
)) {
2472 char blkbuf
[BP_SPRINTF_LEN
];
2474 zcb
->zcb_haderrors
= 1;
2475 zcb
->zcb_errors
[ioerr
]++;
2477 if (dump_opt
['b'] >= 2)
2478 snprintf_blkptr(blkbuf
, sizeof (blkbuf
), bp
);
2482 (void) printf("zdb_blkptr_cb: "
2483 "Got error %d reading "
2484 "<%llu, %llu, %lld, %llx> %s -- skipping\n",
2486 (u_longlong_t
)zb
->zb_objset
,
2487 (u_longlong_t
)zb
->zb_object
,
2488 (u_longlong_t
)zb
->zb_level
,
2489 (u_longlong_t
)zb
->zb_blkid
,
2492 mutex_exit(&spa
->spa_scrub_lock
);
2496 zdb_blkptr_cb(spa_t
*spa
, zilog_t
*zilog
, const blkptr_t
*bp
,
2497 const zbookmark_phys_t
*zb
, const dnode_phys_t
*dnp
, void *arg
)
2499 zdb_cb_t
*zcb
= arg
;
2500 dmu_object_type_t type
;
2501 boolean_t is_metadata
;
2506 if (dump_opt
['b'] >= 5 && bp
->blk_birth
> 0) {
2507 char blkbuf
[BP_SPRINTF_LEN
];
2508 snprintf_blkptr(blkbuf
, sizeof (blkbuf
), bp
);
2509 (void) printf("objset %llu object %llu "
2510 "level %lld offset 0x%llx %s\n",
2511 (u_longlong_t
)zb
->zb_objset
,
2512 (u_longlong_t
)zb
->zb_object
,
2513 (longlong_t
)zb
->zb_level
,
2514 (u_longlong_t
)blkid2offset(dnp
, bp
, zb
),
2521 type
= BP_GET_TYPE(bp
);
2523 zdb_count_block(zcb
, zilog
, bp
,
2524 (type
& DMU_OT_NEWTYPE
) ? ZDB_OT_OTHER
: type
);
2526 is_metadata
= (BP_GET_LEVEL(bp
) != 0 || DMU_OT_IS_METADATA(type
));
2528 if (!BP_IS_EMBEDDED(bp
) &&
2529 (dump_opt
['c'] > 1 || (dump_opt
['c'] && is_metadata
))) {
2530 size_t size
= BP_GET_PSIZE(bp
);
2531 void *data
= zio_data_buf_alloc(size
);
2532 int flags
= ZIO_FLAG_CANFAIL
| ZIO_FLAG_SCRUB
| ZIO_FLAG_RAW
;
2534 /* If it's an intent log block, failure is expected. */
2535 if (zb
->zb_level
== ZB_ZIL_LEVEL
)
2536 flags
|= ZIO_FLAG_SPECULATIVE
;
2538 mutex_enter(&spa
->spa_scrub_lock
);
2539 while (spa
->spa_scrub_inflight
> max_inflight
)
2540 cv_wait(&spa
->spa_scrub_io_cv
, &spa
->spa_scrub_lock
);
2541 spa
->spa_scrub_inflight
++;
2542 mutex_exit(&spa
->spa_scrub_lock
);
2544 zio_nowait(zio_read(NULL
, spa
, bp
, data
, size
,
2545 zdb_blkptr_done
, zcb
, ZIO_PRIORITY_ASYNC_READ
, flags
, zb
));
2548 zcb
->zcb_readfails
= 0;
2550 /* only call gethrtime() every 100 blocks */
2557 if (dump_opt
['b'] < 5 && gethrtime() > zcb
->zcb_lastprint
+ NANOSEC
) {
2558 uint64_t now
= gethrtime();
2560 uint64_t bytes
= zcb
->zcb_type
[ZB_TOTAL
][ZDB_OT_TOTAL
].zb_asize
;
2562 1 + bytes
/ (1 + ((now
- zcb
->zcb_start
) / 1000 / 1000));
2564 (zcb
->zcb_totalasize
- bytes
) / 1024 / kb_per_sec
;
2566 zfs_nicenum(bytes
, buf
, sizeof (buf
));
2567 (void) fprintf(stderr
,
2568 "\r%5s completed (%4dMB/s) "
2569 "estimated time remaining: %uhr %02umin %02usec ",
2570 buf
, kb_per_sec
/ 1024,
2571 sec_remaining
/ 60 / 60,
2572 sec_remaining
/ 60 % 60,
2573 sec_remaining
% 60);
2575 zcb
->zcb_lastprint
= now
;
2582 zdb_leak(void *arg
, uint64_t start
, uint64_t size
)
2586 (void) printf("leaked space: vdev %llu, offset 0x%llx, size %llu\n",
2587 (u_longlong_t
)vd
->vdev_id
, (u_longlong_t
)start
, (u_longlong_t
)size
);
2590 static metaslab_ops_t zdb_metaslab_ops
= {
2595 zdb_ddt_leak_init(spa_t
*spa
, zdb_cb_t
*zcb
)
2597 ddt_bookmark_t ddb
= { 0 };
2602 while ((error
= ddt_walk(spa
, &ddb
, &dde
)) == 0) {
2604 ddt_phys_t
*ddp
= dde
.dde_phys
;
2606 if (ddb
.ddb_class
== DDT_CLASS_UNIQUE
)
2609 ASSERT(ddt_phys_total_refcnt(&dde
) > 1);
2611 for (p
= 0; p
< DDT_PHYS_TYPES
; p
++, ddp
++) {
2612 if (ddp
->ddp_phys_birth
== 0)
2614 ddt_bp_create(ddb
.ddb_checksum
,
2615 &dde
.dde_key
, ddp
, &blk
);
2616 if (p
== DDT_PHYS_DITTO
) {
2617 zdb_count_block(zcb
, NULL
, &blk
, ZDB_OT_DITTO
);
2619 zcb
->zcb_dedup_asize
+=
2620 BP_GET_ASIZE(&blk
) * (ddp
->ddp_refcnt
- 1);
2621 zcb
->zcb_dedup_blocks
++;
2624 if (!dump_opt
['L']) {
2625 ddt_t
*ddt
= spa
->spa_ddt
[ddb
.ddb_checksum
];
2627 VERIFY(ddt_lookup(ddt
, &blk
, B_TRUE
) != NULL
);
2632 ASSERT(error
== ENOENT
);
2636 zdb_leak_init(spa_t
*spa
, zdb_cb_t
*zcb
)
2641 if (!dump_opt
['L']) {
2642 vdev_t
*rvd
= spa
->spa_root_vdev
;
2643 for (c
= 0; c
< rvd
->vdev_children
; c
++) {
2644 vdev_t
*vd
= rvd
->vdev_child
[c
];
2645 for (m
= 0; m
< vd
->vdev_ms_count
; m
++) {
2646 metaslab_t
*msp
= vd
->vdev_ms
[m
];
2647 mutex_enter(&msp
->ms_lock
);
2648 metaslab_unload(msp
);
2651 * For leak detection, we overload the metaslab
2652 * ms_tree to contain allocated segments
2653 * instead of free segments. As a result,
2654 * we can't use the normal metaslab_load/unload
2657 if (msp
->ms_sm
!= NULL
) {
2658 (void) fprintf(stderr
,
2659 "\rloading space map for "
2660 "vdev %llu of %llu, "
2661 "metaslab %llu of %llu ...",
2663 (longlong_t
)rvd
->vdev_children
,
2665 (longlong_t
)vd
->vdev_ms_count
);
2667 msp
->ms_ops
= &zdb_metaslab_ops
;
2670 * We don't want to spend the CPU
2671 * manipulating the size-ordered
2672 * tree, so clear the range_tree
2675 msp
->ms_tree
->rt_ops
= NULL
;
2676 VERIFY0(space_map_load(msp
->ms_sm
,
2677 msp
->ms_tree
, SM_ALLOC
));
2678 msp
->ms_loaded
= B_TRUE
;
2680 mutex_exit(&msp
->ms_lock
);
2683 (void) fprintf(stderr
, "\n");
2686 spa_config_enter(spa
, SCL_CONFIG
, FTAG
, RW_READER
);
2688 zdb_ddt_leak_init(spa
, zcb
);
2690 spa_config_exit(spa
, SCL_CONFIG
, FTAG
);
2694 zdb_leak_fini(spa_t
*spa
)
2698 if (!dump_opt
['L']) {
2699 vdev_t
*rvd
= spa
->spa_root_vdev
;
2700 for (c
= 0; c
< rvd
->vdev_children
; c
++) {
2701 vdev_t
*vd
= rvd
->vdev_child
[c
];
2702 for (m
= 0; m
< vd
->vdev_ms_count
; m
++) {
2703 metaslab_t
*msp
= vd
->vdev_ms
[m
];
2704 mutex_enter(&msp
->ms_lock
);
2707 * The ms_tree has been overloaded to
2708 * contain allocated segments. Now that we
2709 * finished traversing all blocks, any
2710 * block that remains in the ms_tree
2711 * represents an allocated block that we
2712 * did not claim during the traversal.
2713 * Claimed blocks would have been removed
2716 range_tree_vacate(msp
->ms_tree
, zdb_leak
, vd
);
2717 msp
->ms_loaded
= B_FALSE
;
2719 mutex_exit(&msp
->ms_lock
);
2727 count_block_cb(void *arg
, const blkptr_t
*bp
, dmu_tx_t
*tx
)
2729 zdb_cb_t
*zcb
= arg
;
2731 if (dump_opt
['b'] >= 5) {
2732 char blkbuf
[BP_SPRINTF_LEN
];
2733 snprintf_blkptr(blkbuf
, sizeof (blkbuf
), bp
);
2734 (void) printf("[%s] %s\n",
2735 "deferred free", blkbuf
);
2737 zdb_count_block(zcb
, NULL
, bp
, ZDB_OT_DEFERRED
);
2742 dump_block_stats(spa_t
*spa
)
2745 zdb_blkstats_t
*zb
, *tzb
;
2746 uint64_t norm_alloc
, norm_space
, total_alloc
, total_found
;
2747 int flags
= TRAVERSE_PRE
| TRAVERSE_PREFETCH_METADATA
| TRAVERSE_HARD
;
2748 boolean_t leaks
= B_FALSE
;
2750 bp_embedded_type_t i
;
2752 (void) printf("\nTraversing all blocks %s%s%s%s%s...\n\n",
2753 (dump_opt
['c'] || !dump_opt
['L']) ? "to verify " : "",
2754 (dump_opt
['c'] == 1) ? "metadata " : "",
2755 dump_opt
['c'] ? "checksums " : "",
2756 (dump_opt
['c'] && !dump_opt
['L']) ? "and verify " : "",
2757 !dump_opt
['L'] ? "nothing leaked " : "");
2760 * Load all space maps as SM_ALLOC maps, then traverse the pool
2761 * claiming each block we discover. If the pool is perfectly
2762 * consistent, the space maps will be empty when we're done.
2763 * Anything left over is a leak; any block we can't claim (because
2764 * it's not part of any space map) is a double allocation,
2765 * reference to a freed block, or an unclaimed log block.
2767 bzero(&zcb
, sizeof (zdb_cb_t
));
2768 zdb_leak_init(spa
, &zcb
);
2771 * If there's a deferred-free bplist, process that first.
2773 (void) bpobj_iterate_nofree(&spa
->spa_deferred_bpobj
,
2774 count_block_cb
, &zcb
, NULL
);
2775 if (spa_version(spa
) >= SPA_VERSION_DEADLISTS
) {
2776 (void) bpobj_iterate_nofree(&spa
->spa_dsl_pool
->dp_free_bpobj
,
2777 count_block_cb
, &zcb
, NULL
);
2779 if (spa_feature_is_active(spa
, SPA_FEATURE_ASYNC_DESTROY
)) {
2780 VERIFY3U(0, ==, bptree_iterate(spa
->spa_meta_objset
,
2781 spa
->spa_dsl_pool
->dp_bptree_obj
, B_FALSE
, count_block_cb
,
2785 if (dump_opt
['c'] > 1)
2786 flags
|= TRAVERSE_PREFETCH_DATA
;
2788 zcb
.zcb_totalasize
= metaslab_class_get_alloc(spa_normal_class(spa
));
2789 zcb
.zcb_start
= zcb
.zcb_lastprint
= gethrtime();
2790 zcb
.zcb_haderrors
|= traverse_pool(spa
, 0, flags
, zdb_blkptr_cb
, &zcb
);
2793 * If we've traversed the data blocks then we need to wait for those
2794 * I/Os to complete. We leverage "The Godfather" zio to wait on
2795 * all async I/Os to complete.
2797 if (dump_opt
['c']) {
2798 for (c
= 0; c
< max_ncpus
; c
++) {
2799 (void) zio_wait(spa
->spa_async_zio_root
[c
]);
2800 spa
->spa_async_zio_root
[c
] = zio_root(spa
, NULL
, NULL
,
2801 ZIO_FLAG_CANFAIL
| ZIO_FLAG_SPECULATIVE
|
2802 ZIO_FLAG_GODFATHER
);
2806 if (zcb
.zcb_haderrors
) {
2807 (void) printf("\nError counts:\n\n");
2808 (void) printf("\t%5s %s\n", "errno", "count");
2809 for (e
= 0; e
< 256; e
++) {
2810 if (zcb
.zcb_errors
[e
] != 0) {
2811 (void) printf("\t%5d %llu\n",
2812 e
, (u_longlong_t
)zcb
.zcb_errors
[e
]);
2818 * Report any leaked segments.
2822 tzb
= &zcb
.zcb_type
[ZB_TOTAL
][ZDB_OT_TOTAL
];
2824 norm_alloc
= metaslab_class_get_alloc(spa_normal_class(spa
));
2825 norm_space
= metaslab_class_get_space(spa_normal_class(spa
));
2827 total_alloc
= norm_alloc
+ metaslab_class_get_alloc(spa_log_class(spa
));
2828 total_found
= tzb
->zb_asize
- zcb
.zcb_dedup_asize
;
2830 if (total_found
== total_alloc
) {
2832 (void) printf("\n\tNo leaks (block sum matches space"
2833 " maps exactly)\n");
2835 (void) printf("block traversal size %llu != alloc %llu "
2837 (u_longlong_t
)total_found
,
2838 (u_longlong_t
)total_alloc
,
2839 (dump_opt
['L']) ? "unreachable" : "leaked",
2840 (longlong_t
)(total_alloc
- total_found
));
2844 if (tzb
->zb_count
== 0)
2847 (void) printf("\n");
2848 (void) printf("\tbp count: %10llu\n",
2849 (u_longlong_t
)tzb
->zb_count
);
2850 (void) printf("\tganged count: %10llu\n",
2851 (longlong_t
)tzb
->zb_gangs
);
2852 (void) printf("\tbp logical: %10llu avg: %6llu\n",
2853 (u_longlong_t
)tzb
->zb_lsize
,
2854 (u_longlong_t
)(tzb
->zb_lsize
/ tzb
->zb_count
));
2855 (void) printf("\tbp physical: %10llu avg:"
2856 " %6llu compression: %6.2f\n",
2857 (u_longlong_t
)tzb
->zb_psize
,
2858 (u_longlong_t
)(tzb
->zb_psize
/ tzb
->zb_count
),
2859 (double)tzb
->zb_lsize
/ tzb
->zb_psize
);
2860 (void) printf("\tbp allocated: %10llu avg:"
2861 " %6llu compression: %6.2f\n",
2862 (u_longlong_t
)tzb
->zb_asize
,
2863 (u_longlong_t
)(tzb
->zb_asize
/ tzb
->zb_count
),
2864 (double)tzb
->zb_lsize
/ tzb
->zb_asize
);
2865 (void) printf("\tbp deduped: %10llu ref>1:"
2866 " %6llu deduplication: %6.2f\n",
2867 (u_longlong_t
)zcb
.zcb_dedup_asize
,
2868 (u_longlong_t
)zcb
.zcb_dedup_blocks
,
2869 (double)zcb
.zcb_dedup_asize
/ tzb
->zb_asize
+ 1.0);
2870 (void) printf("\tSPA allocated: %10llu used: %5.2f%%\n",
2871 (u_longlong_t
)norm_alloc
, 100.0 * norm_alloc
/ norm_space
);
2873 for (i
= 0; i
< NUM_BP_EMBEDDED_TYPES
; i
++) {
2874 if (zcb
.zcb_embedded_blocks
[i
] == 0)
2876 (void) printf("\n");
2877 (void) printf("\tadditional, non-pointer bps of type %u: "
2879 i
, (u_longlong_t
)zcb
.zcb_embedded_blocks
[i
]);
2881 if (dump_opt
['b'] >= 3) {
2882 (void) printf("\t number of (compressed) bytes: "
2884 dump_histogram(zcb
.zcb_embedded_histogram
[i
],
2885 sizeof (zcb
.zcb_embedded_histogram
[i
]) /
2886 sizeof (zcb
.zcb_embedded_histogram
[i
][0]), 0);
2890 if (tzb
->zb_ditto_samevdev
!= 0) {
2891 (void) printf("\tDittoed blocks on same vdev: %llu\n",
2892 (longlong_t
)tzb
->zb_ditto_samevdev
);
2895 if (dump_opt
['b'] >= 2) {
2897 (void) printf("\nBlocks\tLSIZE\tPSIZE\tASIZE"
2898 "\t avg\t comp\t%%Total\tType\n");
2900 for (t
= 0; t
<= ZDB_OT_TOTAL
; t
++) {
2901 char csize
[32], lsize
[32], psize
[32], asize
[32];
2902 char avg
[32], gang
[32];
2905 if (t
< DMU_OT_NUMTYPES
)
2906 typename
= dmu_ot
[t
].ot_name
;
2908 typename
= zdb_ot_extname
[t
- DMU_OT_NUMTYPES
];
2910 if (zcb
.zcb_type
[ZB_TOTAL
][t
].zb_asize
== 0) {
2911 (void) printf("%6s\t%5s\t%5s\t%5s"
2912 "\t%5s\t%5s\t%6s\t%s\n",
2924 for (l
= ZB_TOTAL
- 1; l
>= -1; l
--) {
2925 level
= (l
== -1 ? ZB_TOTAL
: l
);
2926 zb
= &zcb
.zcb_type
[level
][t
];
2928 if (zb
->zb_asize
== 0)
2931 if (dump_opt
['b'] < 3 && level
!= ZB_TOTAL
)
2934 if (level
== 0 && zb
->zb_asize
==
2935 zcb
.zcb_type
[ZB_TOTAL
][t
].zb_asize
)
2938 zdb_nicenum(zb
->zb_count
, csize
);
2939 zdb_nicenum(zb
->zb_lsize
, lsize
);
2940 zdb_nicenum(zb
->zb_psize
, psize
);
2941 zdb_nicenum(zb
->zb_asize
, asize
);
2942 zdb_nicenum(zb
->zb_asize
/ zb
->zb_count
, avg
);
2943 zdb_nicenum(zb
->zb_gangs
, gang
);
2945 (void) printf("%6s\t%5s\t%5s\t%5s\t%5s"
2947 csize
, lsize
, psize
, asize
, avg
,
2948 (double)zb
->zb_lsize
/ zb
->zb_psize
,
2949 100.0 * zb
->zb_asize
/ tzb
->zb_asize
);
2951 if (level
== ZB_TOTAL
)
2952 (void) printf("%s\n", typename
);
2954 (void) printf(" L%d %s\n",
2957 if (dump_opt
['b'] >= 3 && zb
->zb_gangs
> 0) {
2958 (void) printf("\t number of ganged "
2959 "blocks: %s\n", gang
);
2962 if (dump_opt
['b'] >= 4) {
2963 (void) printf("psize "
2964 "(in 512-byte sectors): "
2965 "number of blocks\n");
2966 dump_histogram(zb
->zb_psize_histogram
,
2967 PSIZE_HISTO_SIZE
, 0);
2973 (void) printf("\n");
2978 if (zcb
.zcb_haderrors
)
2984 typedef struct zdb_ddt_entry
{
2986 uint64_t zdde_ref_blocks
;
2987 uint64_t zdde_ref_lsize
;
2988 uint64_t zdde_ref_psize
;
2989 uint64_t zdde_ref_dsize
;
2990 avl_node_t zdde_node
;
2995 zdb_ddt_add_cb(spa_t
*spa
, zilog_t
*zilog
, const blkptr_t
*bp
,
2996 const zbookmark_phys_t
*zb
, const dnode_phys_t
*dnp
, void *arg
)
2998 avl_tree_t
*t
= arg
;
3000 zdb_ddt_entry_t
*zdde
, zdde_search
;
3002 if (bp
== NULL
|| BP_IS_HOLE(bp
) || BP_IS_EMBEDDED(bp
))
3005 if (dump_opt
['S'] > 1 && zb
->zb_level
== ZB_ROOT_LEVEL
) {
3006 (void) printf("traversing objset %llu, %llu objects, "
3007 "%lu blocks so far\n",
3008 (u_longlong_t
)zb
->zb_objset
,
3009 (u_longlong_t
)BP_GET_FILL(bp
),
3013 if (BP_IS_HOLE(bp
) || BP_GET_CHECKSUM(bp
) == ZIO_CHECKSUM_OFF
||
3014 BP_GET_LEVEL(bp
) > 0 || DMU_OT_IS_METADATA(BP_GET_TYPE(bp
)))
3017 ddt_key_fill(&zdde_search
.zdde_key
, bp
);
3019 zdde
= avl_find(t
, &zdde_search
, &where
);
3022 zdde
= umem_zalloc(sizeof (*zdde
), UMEM_NOFAIL
);
3023 zdde
->zdde_key
= zdde_search
.zdde_key
;
3024 avl_insert(t
, zdde
, where
);
3027 zdde
->zdde_ref_blocks
+= 1;
3028 zdde
->zdde_ref_lsize
+= BP_GET_LSIZE(bp
);
3029 zdde
->zdde_ref_psize
+= BP_GET_PSIZE(bp
);
3030 zdde
->zdde_ref_dsize
+= bp_get_dsize_sync(spa
, bp
);
3036 dump_simulated_ddt(spa_t
*spa
)
3039 void *cookie
= NULL
;
3040 zdb_ddt_entry_t
*zdde
;
3041 ddt_histogram_t ddh_total
;
3042 ddt_stat_t dds_total
;
3044 bzero(&ddh_total
, sizeof (ddt_histogram_t
));
3045 bzero(&dds_total
, sizeof (ddt_stat_t
));
3047 avl_create(&t
, ddt_entry_compare
,
3048 sizeof (zdb_ddt_entry_t
), offsetof(zdb_ddt_entry_t
, zdde_node
));
3050 spa_config_enter(spa
, SCL_CONFIG
, FTAG
, RW_READER
);
3052 (void) traverse_pool(spa
, 0, TRAVERSE_PRE
| TRAVERSE_PREFETCH_METADATA
,
3053 zdb_ddt_add_cb
, &t
);
3055 spa_config_exit(spa
, SCL_CONFIG
, FTAG
);
3057 while ((zdde
= avl_destroy_nodes(&t
, &cookie
)) != NULL
) {
3059 uint64_t refcnt
= zdde
->zdde_ref_blocks
;
3060 ASSERT(refcnt
!= 0);
3062 dds
.dds_blocks
= zdde
->zdde_ref_blocks
/ refcnt
;
3063 dds
.dds_lsize
= zdde
->zdde_ref_lsize
/ refcnt
;
3064 dds
.dds_psize
= zdde
->zdde_ref_psize
/ refcnt
;
3065 dds
.dds_dsize
= zdde
->zdde_ref_dsize
/ refcnt
;
3067 dds
.dds_ref_blocks
= zdde
->zdde_ref_blocks
;
3068 dds
.dds_ref_lsize
= zdde
->zdde_ref_lsize
;
3069 dds
.dds_ref_psize
= zdde
->zdde_ref_psize
;
3070 dds
.dds_ref_dsize
= zdde
->zdde_ref_dsize
;
3072 ddt_stat_add(&ddh_total
.ddh_stat
[highbit64(refcnt
) - 1],
3075 umem_free(zdde
, sizeof (*zdde
));
3080 ddt_histogram_stat(&dds_total
, &ddh_total
);
3082 (void) printf("Simulated DDT histogram:\n");
3084 zpool_dump_ddt(&dds_total
, &ddh_total
);
3086 dump_dedup_ratio(&dds_total
);
3090 dump_zpool(spa_t
*spa
)
3092 dsl_pool_t
*dp
= spa_get_dsl(spa
);
3095 if (dump_opt
['S']) {
3096 dump_simulated_ddt(spa
);
3100 if (!dump_opt
['e'] && dump_opt
['C'] > 1) {
3101 (void) printf("\nCached configuration:\n");
3102 dump_nvlist(spa
->spa_config
, 8);
3109 dump_uberblock(&spa
->spa_uberblock
, "\nUberblock:\n", "\n");
3114 if (dump_opt
['d'] > 2 || dump_opt
['m'])
3115 dump_metaslabs(spa
);
3117 dump_metaslab_groups(spa
);
3119 if (dump_opt
['d'] || dump_opt
['i']) {
3122 dump_dir(dp
->dp_meta_objset
);
3123 if (dump_opt
['d'] >= 3) {
3124 dump_full_bpobj(&spa
->spa_deferred_bpobj
,
3125 "Deferred frees", 0);
3126 if (spa_version(spa
) >= SPA_VERSION_DEADLISTS
) {
3128 &spa
->spa_dsl_pool
->dp_free_bpobj
,
3129 "Pool snapshot frees", 0);
3132 if (spa_feature_is_active(spa
,
3133 SPA_FEATURE_ASYNC_DESTROY
)) {
3134 dump_bptree(spa
->spa_meta_objset
,
3135 spa
->spa_dsl_pool
->dp_bptree_obj
,
3136 "Pool dataset frees");
3138 dump_dtl(spa
->spa_root_vdev
, 0);
3140 (void) dmu_objset_find(spa_name(spa
), dump_one_dir
,
3141 NULL
, DS_FIND_SNAPSHOTS
| DS_FIND_CHILDREN
);
3143 for (f
= 0; f
< SPA_FEATURES
; f
++) {
3146 if (!(spa_feature_table
[f
].fi_flags
&
3147 ZFEATURE_FLAG_PER_DATASET
)) {
3148 ASSERT0(dataset_feature_count
[f
]);
3151 if (feature_get_refcount(spa
, &spa_feature_table
[f
],
3152 &refcount
) == ENOTSUP
)
3154 if (dataset_feature_count
[f
] != refcount
) {
3155 (void) printf("%s feature refcount mismatch: "
3156 "%lld datasets != %lld refcount\n",
3157 spa_feature_table
[f
].fi_uname
,
3158 (longlong_t
)dataset_feature_count
[f
],
3159 (longlong_t
)refcount
);
3162 (void) printf("Verified %s feature refcount "
3163 "of %llu is correct\n",
3164 spa_feature_table
[f
].fi_uname
,
3165 (longlong_t
)refcount
);
3169 if (rc
== 0 && (dump_opt
['b'] || dump_opt
['c']))
3170 rc
= dump_block_stats(spa
);
3173 rc
= verify_spacemap_refcounts(spa
);
3176 show_pool_stats(spa
);
3185 #define ZDB_FLAG_CHECKSUM 0x0001
3186 #define ZDB_FLAG_DECOMPRESS 0x0002
3187 #define ZDB_FLAG_BSWAP 0x0004
3188 #define ZDB_FLAG_GBH 0x0008
3189 #define ZDB_FLAG_INDIRECT 0x0010
3190 #define ZDB_FLAG_PHYS 0x0020
3191 #define ZDB_FLAG_RAW 0x0040
3192 #define ZDB_FLAG_PRINT_BLKPTR 0x0080
3197 zdb_print_blkptr(blkptr_t
*bp
, int flags
)
3199 char blkbuf
[BP_SPRINTF_LEN
];
3201 if (flags
& ZDB_FLAG_BSWAP
)
3202 byteswap_uint64_array((void *)bp
, sizeof (blkptr_t
));
3204 snprintf_blkptr(blkbuf
, sizeof (blkbuf
), bp
);
3205 (void) printf("%s\n", blkbuf
);
3209 zdb_dump_indirect(blkptr_t
*bp
, int nbps
, int flags
)
3213 for (i
= 0; i
< nbps
; i
++)
3214 zdb_print_blkptr(&bp
[i
], flags
);
3218 zdb_dump_gbh(void *buf
, int flags
)
3220 zdb_dump_indirect((blkptr_t
*)buf
, SPA_GBH_NBLKPTRS
, flags
);
3224 zdb_dump_block_raw(void *buf
, uint64_t size
, int flags
)
3226 if (flags
& ZDB_FLAG_BSWAP
)
3227 byteswap_uint64_array(buf
, size
);
3228 VERIFY(write(fileno(stdout
), buf
, size
) == size
);
3232 zdb_dump_block(char *label
, void *buf
, uint64_t size
, int flags
)
3234 uint64_t *d
= (uint64_t *)buf
;
3235 int nwords
= size
/ sizeof (uint64_t);
3236 int do_bswap
= !!(flags
& ZDB_FLAG_BSWAP
);
3242 hdr
= " 7 6 5 4 3 2 1 0 f e d c b a 9 8";
3244 hdr
= " 0 1 2 3 4 5 6 7 8 9 a b c d e f";
3246 (void) printf("\n%s\n%6s %s 0123456789abcdef\n", label
, "", hdr
);
3248 #ifdef _LITTLE_ENDIAN
3249 /* correct the endianess */
3250 do_bswap
= !do_bswap
;
3252 for (i
= 0; i
< nwords
; i
+= 2) {
3253 (void) printf("%06llx: %016llx %016llx ",
3254 (u_longlong_t
)(i
* sizeof (uint64_t)),
3255 (u_longlong_t
)(do_bswap
? BSWAP_64(d
[i
]) : d
[i
]),
3256 (u_longlong_t
)(do_bswap
? BSWAP_64(d
[i
+ 1]) : d
[i
+ 1]));
3259 for (j
= 0; j
< 2 * sizeof (uint64_t); j
++)
3260 (void) printf("%c", isprint(c
[j
]) ? c
[j
] : '.');
3261 (void) printf("\n");
3266 * There are two acceptable formats:
3267 * leaf_name - For example: c1t0d0 or /tmp/ztest.0a
3268 * child[.child]* - For example: 0.1.1
3270 * The second form can be used to specify arbitrary vdevs anywhere
3271 * in the heirarchy. For example, in a pool with a mirror of
3272 * RAID-Zs, you can specify either RAID-Z vdev with 0.0 or 0.1 .
3275 zdb_vdev_lookup(vdev_t
*vdev
, char *path
)
3283 /* First, assume the x.x.x.x format */
3284 i
= (int)strtoul(path
, &s
, 10);
3285 if (s
== path
|| (s
&& *s
!= '.' && *s
!= '\0'))
3287 if (i
< 0 || i
>= vdev
->vdev_children
)
3290 vdev
= vdev
->vdev_child
[i
];
3293 return (zdb_vdev_lookup(vdev
, s
+1));
3296 for (i
= 0; i
< vdev
->vdev_children
; i
++) {
3297 vdev_t
*vc
= vdev
->vdev_child
[i
];
3299 if (vc
->vdev_path
== NULL
) {
3300 vc
= zdb_vdev_lookup(vc
, path
);
3307 p
= strrchr(vc
->vdev_path
, '/');
3308 p
= p
? p
+ 1 : vc
->vdev_path
;
3309 q
= &vc
->vdev_path
[strlen(vc
->vdev_path
) - 2];
3311 if (strcmp(vc
->vdev_path
, path
) == 0)
3313 if (strcmp(p
, path
) == 0)
3315 if (strcmp(q
, "s0") == 0 && strncmp(p
, path
, q
- p
) == 0)
3323 * Read a block from a pool and print it out. The syntax of the
3324 * block descriptor is:
3326 * pool:vdev_specifier:offset:size[:flags]
3328 * pool - The name of the pool you wish to read from
3329 * vdev_specifier - Which vdev (see comment for zdb_vdev_lookup)
3330 * offset - offset, in hex, in bytes
3331 * size - Amount of data to read, in hex, in bytes
3332 * flags - A string of characters specifying options
3333 * b: Decode a blkptr at given offset within block
3334 * *c: Calculate and display checksums
3335 * d: Decompress data before dumping
3336 * e: Byteswap data before dumping
3337 * g: Display data as a gang block header
3338 * i: Display as an indirect block
3339 * p: Do I/O to physical offset
3340 * r: Dump raw data to stdout
3342 * * = not yet implemented
3345 zdb_read_block(char *thing
, spa_t
*spa
)
3347 blkptr_t blk
, *bp
= &blk
;
3348 dva_t
*dva
= bp
->blk_dva
;
3350 uint64_t offset
= 0, size
= 0, psize
= 0, lsize
= 0, blkptr_offset
= 0;
3353 void *pbuf
, *lbuf
, *buf
;
3354 char *s
, *p
, *dup
, *vdev
, *flagstr
;
3357 dup
= strdup(thing
);
3358 s
= strtok(dup
, ":");
3360 s
= strtok(NULL
, ":");
3361 offset
= strtoull(s
? s
: "", NULL
, 16);
3362 s
= strtok(NULL
, ":");
3363 size
= strtoull(s
? s
: "", NULL
, 16);
3364 s
= strtok(NULL
, ":");
3365 flagstr
= s
? s
: "";
3369 s
= "size must not be zero";
3370 if (!IS_P2ALIGNED(size
, DEV_BSIZE
))
3371 s
= "size must be a multiple of sector size";
3372 if (!IS_P2ALIGNED(offset
, DEV_BSIZE
))
3373 s
= "offset must be a multiple of sector size";
3375 (void) printf("Invalid block specifier: %s - %s\n", thing
, s
);
3380 for (s
= strtok(flagstr
, ":"); s
; s
= strtok(NULL
, ":")) {
3381 for (i
= 0; flagstr
[i
]; i
++) {
3382 int bit
= flagbits
[(uchar_t
)flagstr
[i
]];
3385 (void) printf("***Invalid flag: %c\n",
3391 /* If it's not something with an argument, keep going */
3392 if ((bit
& (ZDB_FLAG_CHECKSUM
|
3393 ZDB_FLAG_PRINT_BLKPTR
)) == 0)
3396 p
= &flagstr
[i
+ 1];
3397 if (bit
== ZDB_FLAG_PRINT_BLKPTR
) {
3398 blkptr_offset
= strtoull(p
, &p
, 16);
3399 i
= p
- &flagstr
[i
+ 1];
3401 if (*p
!= ':' && *p
!= '\0') {
3402 (void) printf("***Invalid flag arg: '%s'\n", s
);
3409 vd
= zdb_vdev_lookup(spa
->spa_root_vdev
, vdev
);
3411 (void) printf("***Invalid vdev: %s\n", vdev
);
3416 (void) fprintf(stderr
, "Found vdev: %s\n",
3419 (void) fprintf(stderr
, "Found vdev type: %s\n",
3420 vd
->vdev_ops
->vdev_op_type
);
3426 /* Some 4K native devices require 4K buffer alignment */
3427 pbuf
= umem_alloc_aligned(SPA_MAXBLOCKSIZE
, PAGESIZE
, UMEM_NOFAIL
);
3428 lbuf
= umem_alloc(SPA_MAXBLOCKSIZE
, UMEM_NOFAIL
);
3432 DVA_SET_VDEV(&dva
[0], vd
->vdev_id
);
3433 DVA_SET_OFFSET(&dva
[0], offset
);
3434 DVA_SET_GANG(&dva
[0], !!(flags
& ZDB_FLAG_GBH
));
3435 DVA_SET_ASIZE(&dva
[0], vdev_psize_to_asize(vd
, psize
));
3437 BP_SET_BIRTH(bp
, TXG_INITIAL
, TXG_INITIAL
);
3439 BP_SET_LSIZE(bp
, lsize
);
3440 BP_SET_PSIZE(bp
, psize
);
3441 BP_SET_COMPRESS(bp
, ZIO_COMPRESS_OFF
);
3442 BP_SET_CHECKSUM(bp
, ZIO_CHECKSUM_OFF
);
3443 BP_SET_TYPE(bp
, DMU_OT_NONE
);
3444 BP_SET_LEVEL(bp
, 0);
3445 BP_SET_DEDUP(bp
, 0);
3446 BP_SET_BYTEORDER(bp
, ZFS_HOST_BYTEORDER
);
3448 spa_config_enter(spa
, SCL_STATE
, FTAG
, RW_READER
);
3449 zio
= zio_root(spa
, NULL
, NULL
, 0);
3451 if (vd
== vd
->vdev_top
) {
3453 * Treat this as a normal block read.
3455 zio_nowait(zio_read(zio
, spa
, bp
, pbuf
, psize
, NULL
, NULL
,
3456 ZIO_PRIORITY_SYNC_READ
,
3457 ZIO_FLAG_CANFAIL
| ZIO_FLAG_RAW
, NULL
));
3460 * Treat this as a vdev child I/O.
3462 zio_nowait(zio_vdev_child_io(zio
, bp
, vd
, offset
, pbuf
, psize
,
3463 ZIO_TYPE_READ
, ZIO_PRIORITY_SYNC_READ
,
3464 ZIO_FLAG_DONT_CACHE
| ZIO_FLAG_DONT_QUEUE
|
3465 ZIO_FLAG_DONT_PROPAGATE
| ZIO_FLAG_DONT_RETRY
|
3466 ZIO_FLAG_CANFAIL
| ZIO_FLAG_RAW
, NULL
, NULL
));
3469 error
= zio_wait(zio
);
3470 spa_config_exit(spa
, SCL_STATE
, FTAG
);
3473 (void) printf("Read of %s failed, error: %d\n", thing
, error
);
3477 if (flags
& ZDB_FLAG_DECOMPRESS
) {
3479 * We don't know how the data was compressed, so just try
3480 * every decompress function at every inflated blocksize.
3482 enum zio_compress c
;
3483 void *pbuf2
= umem_alloc(SPA_MAXBLOCKSIZE
, UMEM_NOFAIL
);
3484 void *lbuf2
= umem_alloc(SPA_MAXBLOCKSIZE
, UMEM_NOFAIL
);
3486 bcopy(pbuf
, pbuf2
, psize
);
3488 VERIFY(random_get_pseudo_bytes((uint8_t *)pbuf
+ psize
,
3489 SPA_MAXBLOCKSIZE
- psize
) == 0);
3491 VERIFY(random_get_pseudo_bytes((uint8_t *)pbuf2
+ psize
,
3492 SPA_MAXBLOCKSIZE
- psize
) == 0);
3495 * XXX - On the one hand, with SPA_MAXBLOCKSIZE at 16MB,
3496 * this could take a while and we should let the user know
3497 * we are not stuck. On the other hand, printing progress
3498 * info gets old after a while. What to do?
3500 for (lsize
= psize
+ SPA_MINBLOCKSIZE
;
3501 lsize
<= SPA_MAXBLOCKSIZE
; lsize
+= SPA_MINBLOCKSIZE
) {
3502 for (c
= 0; c
< ZIO_COMPRESS_FUNCTIONS
; c
++) {
3503 (void) fprintf(stderr
,
3504 "Trying %05llx -> %05llx (%s)\n",
3505 (u_longlong_t
)psize
, (u_longlong_t
)lsize
,
3506 zio_compress_table
[c
].ci_name
);
3507 if (zio_decompress_data(c
, pbuf
, lbuf
,
3508 psize
, lsize
) == 0 &&
3509 zio_decompress_data(c
, pbuf2
, lbuf2
,
3510 psize
, lsize
) == 0 &&
3511 bcmp(lbuf
, lbuf2
, lsize
) == 0)
3514 if (c
!= ZIO_COMPRESS_FUNCTIONS
)
3518 umem_free(pbuf2
, SPA_MAXBLOCKSIZE
);
3519 umem_free(lbuf2
, SPA_MAXBLOCKSIZE
);
3521 if (lsize
<= psize
) {
3522 (void) printf("Decompress of %s failed\n", thing
);
3532 if (flags
& ZDB_FLAG_PRINT_BLKPTR
)
3533 zdb_print_blkptr((blkptr_t
*)(void *)
3534 ((uintptr_t)buf
+ (uintptr_t)blkptr_offset
), flags
);
3535 else if (flags
& ZDB_FLAG_RAW
)
3536 zdb_dump_block_raw(buf
, size
, flags
);
3537 else if (flags
& ZDB_FLAG_INDIRECT
)
3538 zdb_dump_indirect((blkptr_t
*)buf
, size
/ sizeof (blkptr_t
),
3540 else if (flags
& ZDB_FLAG_GBH
)
3541 zdb_dump_gbh(buf
, flags
);
3543 zdb_dump_block(thing
, buf
, size
, flags
);
3546 umem_free(pbuf
, SPA_MAXBLOCKSIZE
);
3547 umem_free(lbuf
, SPA_MAXBLOCKSIZE
);
3552 pool_match(nvlist_t
*cfg
, char *tgt
)
3554 uint64_t v
, guid
= strtoull(tgt
, NULL
, 0);
3558 if (nvlist_lookup_uint64(cfg
, ZPOOL_CONFIG_POOL_GUID
, &v
) == 0)
3561 if (nvlist_lookup_string(cfg
, ZPOOL_CONFIG_POOL_NAME
, &s
) == 0)
3562 return (strcmp(s
, tgt
) == 0);
3568 find_zpool(char **target
, nvlist_t
**configp
, int dirc
, char **dirv
)
3571 nvlist_t
*match
= NULL
;
3576 importargs_t args
= { 0 };
3580 args
.can_be_active
= B_TRUE
;
3582 if ((sepp
= strpbrk(*target
, "/@")) != NULL
) {
3587 pools
= zpool_search_import(g_zfs
, &args
);
3589 if (pools
!= NULL
) {
3590 nvpair_t
*elem
= NULL
;
3591 while ((elem
= nvlist_next_nvpair(pools
, elem
)) != NULL
) {
3592 verify(nvpair_value_nvlist(elem
, configp
) == 0);
3593 if (pool_match(*configp
, *target
)) {
3595 if (match
!= NULL
) {
3596 /* print previously found config */
3598 (void) printf("%s\n", name
);
3599 dump_nvlist(match
, 8);
3602 (void) printf("%s\n",
3604 dump_nvlist(*configp
, 8);
3607 name
= nvpair_name(elem
);
3613 (void) fatal("\tMatched %d pools - use pool GUID "
3614 "instead of pool name or \n"
3615 "\tpool name part of a dataset name to select pool", count
);
3620 * If pool GUID was specified for pool id, replace it with pool name
3622 if (name
&& (strstr(*target
, name
) != *target
)) {
3623 int sz
= 1 + strlen(name
) + ((sepp
) ? strlen(sepp
) : 0);
3625 *target
= umem_alloc(sz
, UMEM_NOFAIL
);
3626 (void) snprintf(*target
, sz
, "%s%s", name
, sepp
? sepp
: "");
3629 *configp
= name
? match
: NULL
;
3635 main(int argc
, char **argv
)
3638 struct rlimit rl
= { 1024, 1024 };
3640 objset_t
*os
= NULL
;
3644 char **searchdirs
= NULL
;
3647 nvlist_t
*policy
= NULL
;
3648 uint64_t max_txg
= UINT64_MAX
;
3649 int flags
= ZFS_IMPORT_MISSING_LOG
;
3650 int rewind
= ZPOOL_NEVER_REWIND
;
3651 char *spa_config_path_env
;
3652 boolean_t target_is_spa
= B_TRUE
;
3654 (void) setrlimit(RLIMIT_NOFILE
, &rl
);
3655 (void) enable_extended_FILE_stdio(-1, -1);
3657 dprintf_setup(&argc
, argv
);
3660 * If there is an environment variable SPA_CONFIG_PATH it overrides
3661 * default spa_config_path setting. If -U flag is specified it will
3662 * override this environment variable settings once again.
3664 spa_config_path_env
= getenv("SPA_CONFIG_PATH");
3665 if (spa_config_path_env
!= NULL
)
3666 spa_config_path
= spa_config_path_env
;
3668 while ((c
= getopt(argc
, argv
,
3669 "bcdhilmMI:suCDRSAFLXx:evp:t:U:PV")) != -1) {
3697 flags
|= ZFS_IMPORT_VERBATIM
;
3700 max_inflight
= strtoull(optarg
, NULL
, 0);
3701 if (max_inflight
== 0) {
3702 (void) fprintf(stderr
, "maximum number "
3703 "of inflight I/Os must be greater "
3709 if (searchdirs
== NULL
) {
3710 searchdirs
= umem_alloc(sizeof (char *),
3713 char **tmp
= umem_alloc((nsearch
+ 1) *
3714 sizeof (char *), UMEM_NOFAIL
);
3715 bcopy(searchdirs
, tmp
, nsearch
*
3717 umem_free(searchdirs
,
3718 nsearch
* sizeof (char *));
3721 searchdirs
[nsearch
++] = optarg
;
3724 vn_dumpdir
= optarg
;
3727 max_txg
= strtoull(optarg
, NULL
, 0);
3728 if (max_txg
< TXG_INITIAL
) {
3729 (void) fprintf(stderr
, "incorrect txg "
3730 "specified: %s\n", optarg
);
3735 spa_config_path
= optarg
;
3746 if (!dump_opt
['e'] && searchdirs
!= NULL
) {
3747 (void) fprintf(stderr
, "-p option requires use of -e\n");
3753 * ZDB does not typically re-read blocks; therefore limit the ARC
3754 * to 256 MB, which can be used entirely for metadata.
3756 zfs_arc_max
= zfs_arc_meta_limit
= 256 * 1024 * 1024;
3760 * "zdb -c" uses checksum-verifying scrub i/os which are async reads.
3761 * "zdb -b" uses traversal prefetch which uses async reads.
3762 * For good performance, let several of them be active at once.
3764 zfs_vdev_async_read_max_active
= 10;
3767 if ((g_zfs
= libzfs_init()) == NULL
) {
3768 (void) fprintf(stderr
, "%s", libzfs_error_init(errno
));
3773 verbose
= MAX(verbose
, 1);
3775 for (c
= 0; c
< 256; c
++) {
3776 if (dump_all
&& !strchr("elAFLRSXP", c
))
3779 dump_opt
[c
] += verbose
;
3782 aok
= (dump_opt
['A'] == 1) || (dump_opt
['A'] > 2);
3783 zfs_recover
= (dump_opt
['A'] > 1);
3788 if (argc
< 2 && dump_opt
['R'])
3791 if (!dump_opt
['e'] && dump_opt
['C']) {
3792 dump_cachefile(spa_config_path
);
3798 if (dump_opt
['l']) {
3799 dump_label(argv
[0]);
3803 if (dump_opt
['X'] || dump_opt
['F'])
3804 rewind
= ZPOOL_DO_REWIND
|
3805 (dump_opt
['X'] ? ZPOOL_EXTREME_REWIND
: 0);
3807 if (nvlist_alloc(&policy
, NV_UNIQUE_NAME_TYPE
, 0) != 0 ||
3808 nvlist_add_uint64(policy
, ZPOOL_REWIND_REQUEST_TXG
, max_txg
) != 0 ||
3809 nvlist_add_uint32(policy
, ZPOOL_REWIND_REQUEST
, rewind
) != 0)
3810 fatal("internal error: %s", strerror(ENOMEM
));
3815 if (dump_opt
['e']) {
3816 nvlist_t
*cfg
= NULL
;
3817 char *name
= find_zpool(&target
, &cfg
, nsearch
, searchdirs
);
3821 if (dump_opt
['C'] > 1) {
3822 (void) printf("\nConfiguration for import:\n");
3823 dump_nvlist(cfg
, 8);
3825 if (nvlist_add_nvlist(cfg
,
3826 ZPOOL_REWIND_POLICY
, policy
) != 0) {
3827 fatal("can't open '%s': %s",
3828 target
, strerror(ENOMEM
));
3830 error
= spa_import(name
, cfg
, NULL
, flags
);
3834 if (strpbrk(target
, "/@") != NULL
) {
3837 target_is_spa
= B_FALSE
;
3838 targetlen
= strlen(target
);
3839 if (targetlen
&& target
[targetlen
- 1] == '/')
3840 target
[targetlen
- 1] = '\0';
3844 if (target_is_spa
|| dump_opt
['R']) {
3845 error
= spa_open_rewind(target
, &spa
, FTAG
, policy
,
3849 * If we're missing the log device then
3850 * try opening the pool after clearing the
3853 mutex_enter(&spa_namespace_lock
);
3854 if ((spa
= spa_lookup(target
)) != NULL
&&
3855 spa
->spa_log_state
== SPA_LOG_MISSING
) {
3856 spa
->spa_log_state
= SPA_LOG_CLEAR
;
3859 mutex_exit(&spa_namespace_lock
);
3862 error
= spa_open_rewind(target
, &spa
,
3863 FTAG
, policy
, NULL
);
3867 error
= dmu_objset_own(target
, DMU_OST_ANY
,
3871 nvlist_free(policy
);
3874 fatal("can't open '%s': %s", target
, strerror(error
));
3878 if (!dump_opt
['R']) {
3880 zopt_objects
= argc
;
3881 zopt_object
= calloc(zopt_objects
, sizeof (uint64_t));
3882 for (i
= 0; i
< zopt_objects
; i
++) {
3884 zopt_object
[i
] = strtoull(argv
[i
], NULL
, 0);
3885 if (zopt_object
[i
] == 0 && errno
!= 0)
3886 fatal("bad number %s: %s",
3887 argv
[i
], strerror(errno
));
3892 } else if (zopt_objects
> 0 && !dump_opt
['m']) {
3893 dump_dir(spa
->spa_meta_objset
);
3898 flagbits
['b'] = ZDB_FLAG_PRINT_BLKPTR
;
3899 flagbits
['c'] = ZDB_FLAG_CHECKSUM
;
3900 flagbits
['d'] = ZDB_FLAG_DECOMPRESS
;
3901 flagbits
['e'] = ZDB_FLAG_BSWAP
;
3902 flagbits
['g'] = ZDB_FLAG_GBH
;
3903 flagbits
['i'] = ZDB_FLAG_INDIRECT
;
3904 flagbits
['p'] = ZDB_FLAG_PHYS
;
3905 flagbits
['r'] = ZDB_FLAG_RAW
;
3907 for (i
= 0; i
< argc
; i
++)
3908 zdb_read_block(argv
[i
], spa
);
3911 (os
!= NULL
) ? dmu_objset_disown(os
, FTAG
) : spa_close(spa
, FTAG
);
3913 fuid_table_destroy();
3914 sa_loaded
= B_FALSE
;