xref: /illumos-gate/usr/src/cmd/zdb/zdb.c (revision f0ba89be159095fb15265a5e1cd79e09e5e44ef9)
1fa9e4066Sahrens /*
2fa9e4066Sahrens  * CDDL HEADER START
3fa9e4066Sahrens  *
4fa9e4066Sahrens  * The contents of this file are subject to the terms of the
5ea8dc4b6Seschrock  * Common Development and Distribution License (the "License").
6ea8dc4b6Seschrock  * You may not use this file except in compliance with the License.
7fa9e4066Sahrens  *
8fa9e4066Sahrens  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9fa9e4066Sahrens  * or http://www.opensolaris.org/os/licensing.
10fa9e4066Sahrens  * See the License for the specific language governing permissions
11fa9e4066Sahrens  * and limitations under the License.
12fa9e4066Sahrens  *
13fa9e4066Sahrens  * When distributing Covered Code, include this CDDL HEADER in each
14fa9e4066Sahrens  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15fa9e4066Sahrens  * If applicable, add the following below this CDDL HEADER, with the
16fa9e4066Sahrens  * fields enclosed by brackets "[]" replaced with your own identifying
17fa9e4066Sahrens  * information: Portions Copyright [yyyy] [name of copyright owner]
18fa9e4066Sahrens  *
19fa9e4066Sahrens  * CDDL HEADER END
20fa9e4066Sahrens  */
21fa9e4066Sahrens /*
22d41c4376SMark J Musante  * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
23fa9e4066Sahrens  * Use is subject to license terms.
24fa9e4066Sahrens  */
25fa9e4066Sahrens 
26fa9e4066Sahrens #include <stdio.h>
27004388ebScasper #include <stdio_ext.h>
28fa9e4066Sahrens #include <stdlib.h>
2944cd46caSbillm #include <ctype.h>
30fa9e4066Sahrens #include <sys/zfs_context.h>
31fa9e4066Sahrens #include <sys/spa.h>
32fa9e4066Sahrens #include <sys/spa_impl.h>
33fa9e4066Sahrens #include <sys/dmu.h>
34fa9e4066Sahrens #include <sys/zap.h>
35fa9e4066Sahrens #include <sys/fs/zfs.h>
36fa9e4066Sahrens #include <sys/zfs_znode.h>
37fa9e4066Sahrens #include <sys/vdev.h>
38fa9e4066Sahrens #include <sys/vdev_impl.h>
39fa9e4066Sahrens #include <sys/metaslab_impl.h>
40fa9e4066Sahrens #include <sys/dmu_objset.h>
41fa9e4066Sahrens #include <sys/dsl_dir.h>
42fa9e4066Sahrens #include <sys/dsl_dataset.h>
43fa9e4066Sahrens #include <sys/dsl_pool.h>
44fa9e4066Sahrens #include <sys/dbuf.h>
45fa9e4066Sahrens #include <sys/zil.h>
46fa9e4066Sahrens #include <sys/zil_impl.h>
47fa9e4066Sahrens #include <sys/stat.h>
48fa9e4066Sahrens #include <sys/resource.h>
49fa9e4066Sahrens #include <sys/dmu_traverse.h>
50fa9e4066Sahrens #include <sys/zio_checksum.h>
51fa9e4066Sahrens #include <sys/zio_compress.h>
52e0d35c44Smarks #include <sys/zfs_fuid.h>
5388b7b0f2SMatthew Ahrens #include <sys/arc.h>
54b24ab676SJeff Bonwick #include <sys/ddt.h>
55de6628f0Sck #undef ZFS_MAXNAMELEN
56de6628f0Sck #undef verify
57de6628f0Sck #include <libzfs.h>
58fa9e4066Sahrens 
596de8f417SVictor Latushkin #define	ZDB_COMPRESS_NAME(idx) ((idx) < ZIO_COMPRESS_FUNCTIONS ? \
606de8f417SVictor Latushkin     zio_compress_table[(idx)].ci_name : "UNKNOWN")
616de8f417SVictor Latushkin #define	ZDB_CHECKSUM_NAME(idx) ((idx) < ZIO_CHECKSUM_FUNCTIONS ? \
626de8f417SVictor Latushkin     zio_checksum_table[(idx)].ci_name : "UNKNOWN")
636de8f417SVictor Latushkin #define	ZDB_OT_NAME(idx) ((idx) < DMU_OT_NUMTYPES ? \
646de8f417SVictor Latushkin     dmu_ot[(idx)].ot_name : "UNKNOWN")
656de8f417SVictor Latushkin #define	ZDB_OT_TYPE(idx) ((idx) < DMU_OT_NUMTYPES ? (idx) : DMU_OT_NUMTYPES)
666de8f417SVictor Latushkin 
67feef89cfSVictor Latushkin #ifndef lint
68feef89cfSVictor Latushkin extern int zfs_recover;
69feef89cfSVictor Latushkin #else
70feef89cfSVictor Latushkin int zfs_recover;
71feef89cfSVictor Latushkin #endif
72feef89cfSVictor Latushkin 
73fa9e4066Sahrens const char cmdname[] = "zdb";
74fa9e4066Sahrens uint8_t dump_opt[256];
75fa9e4066Sahrens 
76fa9e4066Sahrens typedef void object_viewer_t(objset_t *, uint64_t, void *data, size_t size);
77fa9e4066Sahrens 
78fa9e4066Sahrens extern void dump_intent_log(zilog_t *);
79fa9e4066Sahrens uint64_t *zopt_object = NULL;
80fa9e4066Sahrens int zopt_objects = 0;
81de6628f0Sck libzfs_handle_t *g_zfs;
82fa9e4066Sahrens 
83fa9e4066Sahrens /*
84fa9e4066Sahrens  * These libumem hooks provide a reasonable set of defaults for the allocator's
85fa9e4066Sahrens  * debugging facilities.
86fa9e4066Sahrens  */
87fa9e4066Sahrens const char *
88fa9e4066Sahrens _umem_debug_init()
89fa9e4066Sahrens {
90fa9e4066Sahrens 	return ("default,verbose"); /* $UMEM_DEBUG setting */
91fa9e4066Sahrens }
92fa9e4066Sahrens 
93fa9e4066Sahrens const char *
94fa9e4066Sahrens _umem_logging_init(void)
95fa9e4066Sahrens {
96fa9e4066Sahrens 	return ("fail,contents"); /* $UMEM_LOGGING setting */
97fa9e4066Sahrens }
98fa9e4066Sahrens 
99fa9e4066Sahrens static void
100fa9e4066Sahrens usage(void)
101fa9e4066Sahrens {
102fa9e4066Sahrens 	(void) fprintf(stderr,
103*f0ba89beSJeff Bonwick 	    "Usage: %s [-CumdibcsDvhL] poolname [object...]\n"
1043ad6c7f9SVictor Latushkin 	    "       %s [-div] dataset [object...]\n"
10587219db7SVictor Latushkin 	    "       %s -m [-L] poolname [vdev [metaslab...]]\n"
10607428bdfSVictor Latushkin 	    "       %s -R poolname vdev:offset:size[:flags]\n"
107bbfd46c4SJeff Bonwick 	    "       %s -S poolname\n"
10853b9a4a9SVictor Latushkin 	    "       %s -l [-u] device\n"
10907428bdfSVictor Latushkin 	    "       %s -C\n\n",
110bbfd46c4SJeff Bonwick 	    cmdname, cmdname, cmdname, cmdname, cmdname, cmdname, cmdname);
1113ad6c7f9SVictor Latushkin 
1123ad6c7f9SVictor Latushkin 	(void) fprintf(stderr, "    Dataset name must include at least one "
1133ad6c7f9SVictor Latushkin 	    "separator character '/' or '@'\n");
1143ad6c7f9SVictor Latushkin 	(void) fprintf(stderr, "    If dataset name is specified, only that "
1153ad6c7f9SVictor Latushkin 	    "dataset is dumped\n");
1163ad6c7f9SVictor Latushkin 	(void) fprintf(stderr, "    If object numbers are specified, only "
1173ad6c7f9SVictor Latushkin 	    "those objects are dumped\n\n");
1183ad6c7f9SVictor Latushkin 	(void) fprintf(stderr, "    Options to control amount of output:\n");
1193ad6c7f9SVictor Latushkin 	(void) fprintf(stderr, "        -u uberblock\n");
1203ad6c7f9SVictor Latushkin 	(void) fprintf(stderr, "        -d dataset(s)\n");
1213ad6c7f9SVictor Latushkin 	(void) fprintf(stderr, "        -i intent logs\n");
12207428bdfSVictor Latushkin 	(void) fprintf(stderr, "        -C config (or cachefile if alone)\n");
1238f18d1faSGeorge Wilson 	(void) fprintf(stderr, "        -h pool history\n");
1243ad6c7f9SVictor Latushkin 	(void) fprintf(stderr, "        -b block statistics\n");
1253ad6c7f9SVictor Latushkin 	(void) fprintf(stderr, "        -m metaslabs\n");
1263ad6c7f9SVictor Latushkin 	(void) fprintf(stderr, "        -c checksum all metadata (twice for "
1276365109dSVictor Latushkin 	    "all data) blocks\n");
1283ad6c7f9SVictor Latushkin 	(void) fprintf(stderr, "        -s report stats on zdb's I/O\n");
129*f0ba89beSJeff Bonwick 	(void) fprintf(stderr, "        -D dedup statistics\n");
130b24ab676SJeff Bonwick 	(void) fprintf(stderr, "        -S simulate dedup to measure effect\n");
1313ad6c7f9SVictor Latushkin 	(void) fprintf(stderr, "        -v verbose (applies to all others)\n");
132fa9e4066Sahrens 	(void) fprintf(stderr, "        -l dump label contents\n");
13382a0a985SVictor Latushkin 	(void) fprintf(stderr, "        -L disable leak tracking (do not "
13482a0a985SVictor Latushkin 	    "load spacemaps)\n");
135d41e7643Sek 	(void) fprintf(stderr, "        -R read and display block from a "
1363ad6c7f9SVictor Latushkin 	    "device\n\n");
1373ad6c7f9SVictor Latushkin 	(void) fprintf(stderr, "    Below options are intended for use "
1383ad6c7f9SVictor Latushkin 	    "with other options (except -l):\n");
139feef89cfSVictor Latushkin 	(void) fprintf(stderr, "        -A ignore assertions (-A), enable "
140feef89cfSVictor Latushkin 	    "panic recovery (-AA) or both (-AAA)\n");
141c8ee1847SVictor Latushkin 	(void) fprintf(stderr, "        -F attempt automatic rewind within "
142c8ee1847SVictor Latushkin 	    "safe range of transaction groups\n");
1433ad6c7f9SVictor Latushkin 	(void) fprintf(stderr, "        -U <cachefile_path> -- use alternate "
1443ad6c7f9SVictor Latushkin 	    "cachefile\n");
145c8ee1847SVictor Latushkin 	(void) fprintf(stderr, "        -X attempt extreme rewind (does not "
146c8ee1847SVictor Latushkin 	    "work with dataset)\n");
1473ad6c7f9SVictor Latushkin 	(void) fprintf(stderr, "        -e pool is exported/destroyed/"
1483ad6c7f9SVictor Latushkin 	    "has altroot/not in a cachefile\n");
1493ad6c7f9SVictor Latushkin 	(void) fprintf(stderr, "        -p <path> -- use one or more with "
1503ad6c7f9SVictor Latushkin 	    "-e to specify path to vdev dir\n");
1513ad6c7f9SVictor Latushkin 	(void) fprintf(stderr, "        -t <txg> -- highest txg to use when "
1522e551927SVictor Latushkin 	    "searching for uberblocks\n");
153fa9e4066Sahrens 	(void) fprintf(stderr, "Specify an option more than once (e.g. -bb) "
154fa9e4066Sahrens 	    "to make only that option verbose\n");
155fa9e4066Sahrens 	(void) fprintf(stderr, "Default is to dump everything non-verbosely\n");
156fa9e4066Sahrens 	exit(1);
157fa9e4066Sahrens }
158fa9e4066Sahrens 
159ccba0801SRich Morris /*
160ccba0801SRich Morris  * Called for usage errors that are discovered after a call to spa_open(),
161ccba0801SRich Morris  * dmu_bonus_hold(), or pool_match().  abort() is called for other errors.
162ccba0801SRich Morris  */
163ccba0801SRich Morris 
164fa9e4066Sahrens static void
165fa9e4066Sahrens fatal(const char *fmt, ...)
166fa9e4066Sahrens {
167fa9e4066Sahrens 	va_list ap;
168fa9e4066Sahrens 
169fa9e4066Sahrens 	va_start(ap, fmt);
170fa9e4066Sahrens 	(void) fprintf(stderr, "%s: ", cmdname);
171fa9e4066Sahrens 	(void) vfprintf(stderr, fmt, ap);
172fa9e4066Sahrens 	va_end(ap);
173fa9e4066Sahrens 	(void) fprintf(stderr, "\n");
174fa9e4066Sahrens 
175ccba0801SRich Morris 	exit(1);
176fa9e4066Sahrens }
177fa9e4066Sahrens 
178fa9e4066Sahrens /* ARGSUSED */
179fa9e4066Sahrens static void
180fa9e4066Sahrens dump_packed_nvlist(objset_t *os, uint64_t object, void *data, size_t size)
181fa9e4066Sahrens {
182fa9e4066Sahrens 	nvlist_t *nv;
183fa9e4066Sahrens 	size_t nvsize = *(uint64_t *)data;
184fa9e4066Sahrens 	char *packed = umem_alloc(nvsize, UMEM_NOFAIL);
185fa9e4066Sahrens 
1867bfdf011SNeil Perrin 	VERIFY(0 == dmu_read(os, object, 0, nvsize, packed, DMU_READ_PREFETCH));
187fa9e4066Sahrens 
188fa9e4066Sahrens 	VERIFY(nvlist_unpack(packed, nvsize, &nv, 0) == 0);
189fa9e4066Sahrens 
190fa9e4066Sahrens 	umem_free(packed, nvsize);
191fa9e4066Sahrens 
192fa9e4066Sahrens 	dump_nvlist(nv, 8);
193fa9e4066Sahrens 
194fa9e4066Sahrens 	nvlist_free(nv);
195fa9e4066Sahrens }
196fa9e4066Sahrens 
197fa9e4066Sahrens const char dump_zap_stars[] = "****************************************";
198fa9e4066Sahrens const int dump_zap_width = sizeof (dump_zap_stars) - 1;
199fa9e4066Sahrens 
200fa9e4066Sahrens static void
201fa9e4066Sahrens dump_zap_histogram(uint64_t histo[ZAP_HISTOGRAM_SIZE])
202fa9e4066Sahrens {
203fa9e4066Sahrens 	int i;
204fa9e4066Sahrens 	int minidx = ZAP_HISTOGRAM_SIZE - 1;
205fa9e4066Sahrens 	int maxidx = 0;
206fa9e4066Sahrens 	uint64_t max = 0;
207fa9e4066Sahrens 
208fa9e4066Sahrens 	for (i = 0; i < ZAP_HISTOGRAM_SIZE; i++) {
209fa9e4066Sahrens 		if (histo[i] > max)
210fa9e4066Sahrens 			max = histo[i];
211fa9e4066Sahrens 		if (histo[i] > 0 && i > maxidx)
212fa9e4066Sahrens 			maxidx = i;
213fa9e4066Sahrens 		if (histo[i] > 0 && i < minidx)
214fa9e4066Sahrens 			minidx = i;
215fa9e4066Sahrens 	}
216fa9e4066Sahrens 
217fa9e4066Sahrens 	if (max < dump_zap_width)
218fa9e4066Sahrens 		max = dump_zap_width;
219fa9e4066Sahrens 
220fa9e4066Sahrens 	for (i = minidx; i <= maxidx; i++)
221fa9e4066Sahrens 		(void) printf("\t\t\t%u: %6llu %s\n", i, (u_longlong_t)histo[i],
222fa9e4066Sahrens 		    &dump_zap_stars[(max - histo[i]) * dump_zap_width / max]);
223fa9e4066Sahrens }
224fa9e4066Sahrens 
225fa9e4066Sahrens static void
226fa9e4066Sahrens dump_zap_stats(objset_t *os, uint64_t object)
227fa9e4066Sahrens {
228fa9e4066Sahrens 	int error;
229fa9e4066Sahrens 	zap_stats_t zs;
230fa9e4066Sahrens 
231fa9e4066Sahrens 	error = zap_get_stats(os, object, &zs);
232fa9e4066Sahrens 	if (error)
233fa9e4066Sahrens 		return;
234fa9e4066Sahrens 
235fa9e4066Sahrens 	if (zs.zs_ptrtbl_len == 0) {
236fa9e4066Sahrens 		ASSERT(zs.zs_num_blocks == 1);
237fa9e4066Sahrens 		(void) printf("\tmicrozap: %llu bytes, %llu entries\n",
238fa9e4066Sahrens 		    (u_longlong_t)zs.zs_blocksize,
239fa9e4066Sahrens 		    (u_longlong_t)zs.zs_num_entries);
240fa9e4066Sahrens 		return;
241fa9e4066Sahrens 	}
242fa9e4066Sahrens 
243fa9e4066Sahrens 	(void) printf("\tFat ZAP stats:\n");
2448248818dSnd 
2458248818dSnd 	(void) printf("\t\tPointer table:\n");
2468248818dSnd 	(void) printf("\t\t\t%llu elements\n",
247fa9e4066Sahrens 	    (u_longlong_t)zs.zs_ptrtbl_len);
2488248818dSnd 	(void) printf("\t\t\tzt_blk: %llu\n",
2498248818dSnd 	    (u_longlong_t)zs.zs_ptrtbl_zt_blk);
2508248818dSnd 	(void) printf("\t\t\tzt_numblks: %llu\n",
2518248818dSnd 	    (u_longlong_t)zs.zs_ptrtbl_zt_numblks);
2528248818dSnd 	(void) printf("\t\t\tzt_shift: %llu\n",
2538248818dSnd 	    (u_longlong_t)zs.zs_ptrtbl_zt_shift);
2548248818dSnd 	(void) printf("\t\t\tzt_blks_copied: %llu\n",
2558248818dSnd 	    (u_longlong_t)zs.zs_ptrtbl_blks_copied);
2568248818dSnd 	(void) printf("\t\t\tzt_nextblk: %llu\n",
2578248818dSnd 	    (u_longlong_t)zs.zs_ptrtbl_nextblk);
2588248818dSnd 
259fa9e4066Sahrens 	(void) printf("\t\tZAP entries: %llu\n",
260fa9e4066Sahrens 	    (u_longlong_t)zs.zs_num_entries);
261fa9e4066Sahrens 	(void) printf("\t\tLeaf blocks: %llu\n",
262fa9e4066Sahrens 	    (u_longlong_t)zs.zs_num_leafs);
263fa9e4066Sahrens 	(void) printf("\t\tTotal blocks: %llu\n",
264fa9e4066Sahrens 	    (u_longlong_t)zs.zs_num_blocks);
2658248818dSnd 	(void) printf("\t\tzap_block_type: 0x%llx\n",
2668248818dSnd 	    (u_longlong_t)zs.zs_block_type);
2678248818dSnd 	(void) printf("\t\tzap_magic: 0x%llx\n",
2688248818dSnd 	    (u_longlong_t)zs.zs_magic);
2698248818dSnd 	(void) printf("\t\tzap_salt: 0x%llx\n",
2708248818dSnd 	    (u_longlong_t)zs.zs_salt);
271fa9e4066Sahrens 
272fa9e4066Sahrens 	(void) printf("\t\tLeafs with 2^n pointers:\n");
273fa9e4066Sahrens 	dump_zap_histogram(zs.zs_leafs_with_2n_pointers);
274fa9e4066Sahrens 
275fa9e4066Sahrens 	(void) printf("\t\tBlocks with n*5 entries:\n");
276fa9e4066Sahrens 	dump_zap_histogram(zs.zs_blocks_with_n5_entries);
277fa9e4066Sahrens 
278fa9e4066Sahrens 	(void) printf("\t\tBlocks n/10 full:\n");
279fa9e4066Sahrens 	dump_zap_histogram(zs.zs_blocks_n_tenths_full);
280fa9e4066Sahrens 
281fa9e4066Sahrens 	(void) printf("\t\tEntries with n chunks:\n");
282fa9e4066Sahrens 	dump_zap_histogram(zs.zs_entries_using_n_chunks);
283fa9e4066Sahrens 
284fa9e4066Sahrens 	(void) printf("\t\tBuckets with n entries:\n");
285fa9e4066Sahrens 	dump_zap_histogram(zs.zs_buckets_with_n_entries);
286fa9e4066Sahrens }
287fa9e4066Sahrens 
288fa9e4066Sahrens /*ARGSUSED*/
289fa9e4066Sahrens static void
290fa9e4066Sahrens dump_none(objset_t *os, uint64_t object, void *data, size_t size)
291fa9e4066Sahrens {
292fa9e4066Sahrens }
293fa9e4066Sahrens 
2946de8f417SVictor Latushkin /*ARGSUSED*/
2956de8f417SVictor Latushkin static void
2966de8f417SVictor Latushkin dump_unknown(objset_t *os, uint64_t object, void *data, size_t size)
2976de8f417SVictor Latushkin {
2986de8f417SVictor Latushkin 	(void) printf("\tUNKNOWN OBJECT TYPE\n");
2996de8f417SVictor Latushkin }
3006de8f417SVictor Latushkin 
301fa9e4066Sahrens /*ARGSUSED*/
302fa9e4066Sahrens void
303fa9e4066Sahrens dump_uint8(objset_t *os, uint64_t object, void *data, size_t size)
304fa9e4066Sahrens {
305fa9e4066Sahrens }
306fa9e4066Sahrens 
307fa9e4066Sahrens /*ARGSUSED*/
308fa9e4066Sahrens static void
309fa9e4066Sahrens dump_uint64(objset_t *os, uint64_t object, void *data, size_t size)
310fa9e4066Sahrens {
311fa9e4066Sahrens }
312fa9e4066Sahrens 
313fa9e4066Sahrens /*ARGSUSED*/
314fa9e4066Sahrens static void
315fa9e4066Sahrens dump_zap(objset_t *os, uint64_t object, void *data, size_t size)
316fa9e4066Sahrens {
317fa9e4066Sahrens 	zap_cursor_t zc;
318fa9e4066Sahrens 	zap_attribute_t attr;
319fa9e4066Sahrens 	void *prop;
320fa9e4066Sahrens 	int i;
321fa9e4066Sahrens 
322fa9e4066Sahrens 	dump_zap_stats(os, object);
323fa9e4066Sahrens 	(void) printf("\n");
324fa9e4066Sahrens 
325fa9e4066Sahrens 	for (zap_cursor_init(&zc, os, object);
326fa9e4066Sahrens 	    zap_cursor_retrieve(&zc, &attr) == 0;
327fa9e4066Sahrens 	    zap_cursor_advance(&zc)) {
328fa9e4066Sahrens 		(void) printf("\t\t%s = ", attr.za_name);
329fa9e4066Sahrens 		if (attr.za_num_integers == 0) {
330fa9e4066Sahrens 			(void) printf("\n");
331fa9e4066Sahrens 			continue;
332fa9e4066Sahrens 		}
333fa9e4066Sahrens 		prop = umem_zalloc(attr.za_num_integers *
334fa9e4066Sahrens 		    attr.za_integer_length, UMEM_NOFAIL);
335fa9e4066Sahrens 		(void) zap_lookup(os, object, attr.za_name,
336fa9e4066Sahrens 		    attr.za_integer_length, attr.za_num_integers, prop);
337fa9e4066Sahrens 		if (attr.za_integer_length == 1) {
338fa9e4066Sahrens 			(void) printf("%s", (char *)prop);
339fa9e4066Sahrens 		} else {
340fa9e4066Sahrens 			for (i = 0; i < attr.za_num_integers; i++) {
341fa9e4066Sahrens 				switch (attr.za_integer_length) {
342fa9e4066Sahrens 				case 2:
343fa9e4066Sahrens 					(void) printf("%u ",
344fa9e4066Sahrens 					    ((uint16_t *)prop)[i]);
345fa9e4066Sahrens 					break;
346fa9e4066Sahrens 				case 4:
347fa9e4066Sahrens 					(void) printf("%u ",
348fa9e4066Sahrens 					    ((uint32_t *)prop)[i]);
349fa9e4066Sahrens 					break;
350fa9e4066Sahrens 				case 8:
351fa9e4066Sahrens 					(void) printf("%lld ",
352fa9e4066Sahrens 					    (u_longlong_t)((int64_t *)prop)[i]);
353fa9e4066Sahrens 					break;
354fa9e4066Sahrens 				}
355fa9e4066Sahrens 			}
356fa9e4066Sahrens 		}
357fa9e4066Sahrens 		(void) printf("\n");
358fa9e4066Sahrens 		umem_free(prop, attr.za_num_integers * attr.za_integer_length);
359fa9e4066Sahrens 	}
36087e5029aSahrens 	zap_cursor_fini(&zc);
361fa9e4066Sahrens }
362fa9e4066Sahrens 
363486ae710SMatthew Ahrens /*ARGSUSED*/
364486ae710SMatthew Ahrens static void
365486ae710SMatthew Ahrens dump_ddt_zap(objset_t *os, uint64_t object, void *data, size_t size)
366486ae710SMatthew Ahrens {
367486ae710SMatthew Ahrens 	dump_zap_stats(os, object);
368486ae710SMatthew Ahrens 	/* contents are printed elsewhere, properly decoded */
369486ae710SMatthew Ahrens }
370486ae710SMatthew Ahrens 
371e7437265Sahrens /*ARGSUSED*/
372e7437265Sahrens static void
373e7437265Sahrens dump_zpldir(objset_t *os, uint64_t object, void *data, size_t size)
374e7437265Sahrens {
375e7437265Sahrens 	zap_cursor_t zc;
376e7437265Sahrens 	zap_attribute_t attr;
377e7437265Sahrens 	const char *typenames[] = {
378e7437265Sahrens 		/* 0 */ "not specified",
379e7437265Sahrens 		/* 1 */ "FIFO",
380e7437265Sahrens 		/* 2 */ "Character Device",
381e7437265Sahrens 		/* 3 */ "3 (invalid)",
382e7437265Sahrens 		/* 4 */ "Directory",
383e7437265Sahrens 		/* 5 */ "5 (invalid)",
384e7437265Sahrens 		/* 6 */ "Block Device",
385e7437265Sahrens 		/* 7 */ "7 (invalid)",
386e7437265Sahrens 		/* 8 */ "Regular File",
387e7437265Sahrens 		/* 9 */ "9 (invalid)",
388e7437265Sahrens 		/* 10 */ "Symbolic Link",
389e7437265Sahrens 		/* 11 */ "11 (invalid)",
390e7437265Sahrens 		/* 12 */ "Socket",
391e7437265Sahrens 		/* 13 */ "Door",
392e7437265Sahrens 		/* 14 */ "Event Port",
393e7437265Sahrens 		/* 15 */ "15 (invalid)",
394e7437265Sahrens 	};
395e7437265Sahrens 
396e7437265Sahrens 	dump_zap_stats(os, object);
397e7437265Sahrens 	(void) printf("\n");
398e7437265Sahrens 
399e7437265Sahrens 	for (zap_cursor_init(&zc, os, object);
400e7437265Sahrens 	    zap_cursor_retrieve(&zc, &attr) == 0;
401e7437265Sahrens 	    zap_cursor_advance(&zc)) {
402e7437265Sahrens 		(void) printf("\t\t%s = %lld (type: %s)\n",
403e7437265Sahrens 		    attr.za_name, ZFS_DIRENT_OBJ(attr.za_first_integer),
404e7437265Sahrens 		    typenames[ZFS_DIRENT_TYPE(attr.za_first_integer)]);
405e7437265Sahrens 	}
406e7437265Sahrens 	zap_cursor_fini(&zc);
407e7437265Sahrens }
408e7437265Sahrens 
409fa9e4066Sahrens static void
410fa9e4066Sahrens dump_spacemap(objset_t *os, space_map_obj_t *smo, space_map_t *sm)
411fa9e4066Sahrens {
412fa9e4066Sahrens 	uint64_t alloc, offset, entry;
413ecc2d604Sbonwick 	uint8_t mapshift = sm->sm_shift;
414fa9e4066Sahrens 	uint64_t mapstart = sm->sm_start;
4158053a263Sck 	char *ddata[] = { "ALLOC", "FREE", "CONDENSE", "INVALID",
4168053a263Sck 			    "INVALID", "INVALID", "INVALID", "INVALID" };
417fa9e4066Sahrens 
418fa9e4066Sahrens 	if (smo->smo_object == 0)
419fa9e4066Sahrens 		return;
420fa9e4066Sahrens 
421fa9e4066Sahrens 	/*
422fa9e4066Sahrens 	 * Print out the freelist entries in both encoded and decoded form.
423fa9e4066Sahrens 	 */
424fa9e4066Sahrens 	alloc = 0;
425fa9e4066Sahrens 	for (offset = 0; offset < smo->smo_objsize; offset += sizeof (entry)) {
426ea8dc4b6Seschrock 		VERIFY(0 == dmu_read(os, smo->smo_object, offset,
4277bfdf011SNeil Perrin 		    sizeof (entry), &entry, DMU_READ_PREFETCH));
428fa9e4066Sahrens 		if (SM_DEBUG_DECODE(entry)) {
42987219db7SVictor Latushkin 			(void) printf("\t    [%6llu] %s: txg %llu, pass %llu\n",
430fa9e4066Sahrens 			    (u_longlong_t)(offset / sizeof (entry)),
431fa9e4066Sahrens 			    ddata[SM_DEBUG_ACTION_DECODE(entry)],
4325ad82045Snd 			    (u_longlong_t)SM_DEBUG_TXG_DECODE(entry),
4335ad82045Snd 			    (u_longlong_t)SM_DEBUG_SYNCPASS_DECODE(entry));
434fa9e4066Sahrens 		} else {
43587219db7SVictor Latushkin 			(void) printf("\t    [%6llu]    %c  range:"
43687219db7SVictor Latushkin 			    " %010llx-%010llx  size: %06llx\n",
437fa9e4066Sahrens 			    (u_longlong_t)(offset / sizeof (entry)),
438fa9e4066Sahrens 			    SM_TYPE_DECODE(entry) == SM_ALLOC ? 'A' : 'F',
4395ad82045Snd 			    (u_longlong_t)((SM_OFFSET_DECODE(entry) <<
4405ad82045Snd 			    mapshift) + mapstart),
4415ad82045Snd 			    (u_longlong_t)((SM_OFFSET_DECODE(entry) <<
4425ad82045Snd 			    mapshift) + mapstart + (SM_RUN_DECODE(entry) <<
4435ad82045Snd 			    mapshift)),
4445ad82045Snd 			    (u_longlong_t)(SM_RUN_DECODE(entry) << mapshift));
445fa9e4066Sahrens 			if (SM_TYPE_DECODE(entry) == SM_ALLOC)
446fa9e4066Sahrens 				alloc += SM_RUN_DECODE(entry) << mapshift;
447fa9e4066Sahrens 			else
448fa9e4066Sahrens 				alloc -= SM_RUN_DECODE(entry) << mapshift;
449fa9e4066Sahrens 		}
450fa9e4066Sahrens 	}
451fa9e4066Sahrens 	if (alloc != smo->smo_alloc) {
452fa9e4066Sahrens 		(void) printf("space_map_object alloc (%llu) INCONSISTENT "
453fa9e4066Sahrens 		    "with space map summary (%llu)\n",
454fa9e4066Sahrens 		    (u_longlong_t)smo->smo_alloc, (u_longlong_t)alloc);
455fa9e4066Sahrens 	}
456fa9e4066Sahrens }
457fa9e4066Sahrens 
458d6e555bdSGeorge Wilson static void
459d6e555bdSGeorge Wilson dump_metaslab_stats(metaslab_t *msp)
460d6e555bdSGeorge Wilson {
461d6e555bdSGeorge Wilson 	char maxbuf[5];
462d6e555bdSGeorge Wilson 	space_map_t *sm = &msp->ms_map;
463d6e555bdSGeorge Wilson 	avl_tree_t *t = sm->sm_pp_root;
464d6e555bdSGeorge Wilson 	int free_pct = sm->sm_space * 100 / sm->sm_size;
465d6e555bdSGeorge Wilson 
466d6e555bdSGeorge Wilson 	nicenum(space_map_maxsize(sm), maxbuf);
467d6e555bdSGeorge Wilson 
46887219db7SVictor Latushkin 	(void) printf("\t %25s %10lu   %7s  %6s   %4s %4d%%\n",
469d6e555bdSGeorge Wilson 	    "segments", avl_numnodes(t), "maxsize", maxbuf,
470d6e555bdSGeorge Wilson 	    "freepct", free_pct);
471d6e555bdSGeorge Wilson }
472d6e555bdSGeorge Wilson 
473fa9e4066Sahrens static void
474fa9e4066Sahrens dump_metaslab(metaslab_t *msp)
475fa9e4066Sahrens {
476fa9e4066Sahrens 	vdev_t *vd = msp->ms_group->mg_vd;
477fa9e4066Sahrens 	spa_t *spa = vd->vdev_spa;
47880eb36f2SGeorge Wilson 	space_map_t *sm = &msp->ms_map;
47980eb36f2SGeorge Wilson 	space_map_obj_t *smo = &msp->ms_smo;
48080eb36f2SGeorge Wilson 	char freebuf[5];
481fa9e4066Sahrens 
48280eb36f2SGeorge Wilson 	nicenum(sm->sm_size - smo->smo_alloc, freebuf);
483fa9e4066Sahrens 
484fa9e4066Sahrens 	(void) printf(
48587219db7SVictor Latushkin 	    "\tmetaslab %6llu   offset %12llx   spacemap %6llu   free    %5s\n",
48680eb36f2SGeorge Wilson 	    (u_longlong_t)(sm->sm_start / sm->sm_size),
48780eb36f2SGeorge Wilson 	    (u_longlong_t)sm->sm_start, (u_longlong_t)smo->smo_object, freebuf);
488fa9e4066Sahrens 
48987219db7SVictor Latushkin 	if (dump_opt['m'] > 1 && !dump_opt['L']) {
490d6e555bdSGeorge Wilson 		mutex_enter(&msp->ms_lock);
49180eb36f2SGeorge Wilson 		space_map_load_wait(sm);
492bc3975b5SVictor Latushkin 		if (!sm->sm_loaded)
49380eb36f2SGeorge Wilson 			VERIFY(space_map_load(sm, zfs_metaslab_ops,
49480eb36f2SGeorge Wilson 			    SM_FREE, smo, spa->spa_meta_objset) == 0);
495bc3975b5SVictor Latushkin 		dump_metaslab_stats(msp);
496bc3975b5SVictor Latushkin 		space_map_unload(sm);
497d6e555bdSGeorge Wilson 		mutex_exit(&msp->ms_lock);
498d6e555bdSGeorge Wilson 	}
499d6e555bdSGeorge Wilson 
500d6e555bdSGeorge Wilson 	if (dump_opt['d'] > 5 || dump_opt['m'] > 2) {
50180eb36f2SGeorge Wilson 		ASSERT(sm->sm_size == (1ULL << vd->vdev_ms_shift));
502d6e555bdSGeorge Wilson 
503d6e555bdSGeorge Wilson 		mutex_enter(&msp->ms_lock);
50480eb36f2SGeorge Wilson 		dump_spacemap(spa->spa_meta_objset, smo, sm);
505d6e555bdSGeorge Wilson 		mutex_exit(&msp->ms_lock);
506d6e555bdSGeorge Wilson 	}
50787219db7SVictor Latushkin }
508fa9e4066Sahrens 
50987219db7SVictor Latushkin static void
51087219db7SVictor Latushkin print_vdev_metaslab_header(vdev_t *vd)
51187219db7SVictor Latushkin {
51287219db7SVictor Latushkin 	(void) printf("\tvdev %10llu\n\t%-10s%5llu   %-19s   %-15s   %-10s\n",
51387219db7SVictor Latushkin 	    (u_longlong_t)vd->vdev_id,
51487219db7SVictor Latushkin 	    "metaslabs", (u_longlong_t)vd->vdev_ms_count,
51587219db7SVictor Latushkin 	    "offset", "spacemap", "free");
51687219db7SVictor Latushkin 	(void) printf("\t%15s   %19s   %15s   %10s\n",
51787219db7SVictor Latushkin 	    "---------------", "-------------------",
51887219db7SVictor Latushkin 	    "---------------", "-------------");
519fa9e4066Sahrens }
520fa9e4066Sahrens 
521fa9e4066Sahrens static void
522fa9e4066Sahrens dump_metaslabs(spa_t *spa)
523fa9e4066Sahrens {
52487219db7SVictor Latushkin 	vdev_t *vd, *rvd = spa->spa_root_vdev;
52587219db7SVictor Latushkin 	uint64_t m, c = 0, children = rvd->vdev_children;
526fa9e4066Sahrens 
527fa9e4066Sahrens 	(void) printf("\nMetaslabs:\n");
528fa9e4066Sahrens 
52987219db7SVictor Latushkin 	if (!dump_opt['d'] && zopt_objects > 0) {
53087219db7SVictor Latushkin 		c = zopt_object[0];
53187219db7SVictor Latushkin 
53287219db7SVictor Latushkin 		if (c >= children)
53387219db7SVictor Latushkin 			(void) fatal("bad vdev id: %llu", (u_longlong_t)c);
534fa9e4066Sahrens 
53587219db7SVictor Latushkin 		if (zopt_objects > 1) {
53687219db7SVictor Latushkin 			vd = rvd->vdev_child[c];
53787219db7SVictor Latushkin 			print_vdev_metaslab_header(vd);
53887219db7SVictor Latushkin 
53987219db7SVictor Latushkin 			for (m = 1; m < zopt_objects; m++) {
54087219db7SVictor Latushkin 				if (zopt_object[m] < vd->vdev_ms_count)
54187219db7SVictor Latushkin 					dump_metaslab(
54287219db7SVictor Latushkin 					    vd->vdev_ms[zopt_object[m]]);
54387219db7SVictor Latushkin 				else
54487219db7SVictor Latushkin 					(void) fprintf(stderr, "bad metaslab "
54587219db7SVictor Latushkin 					    "number %llu\n",
54687219db7SVictor Latushkin 					    (u_longlong_t)zopt_object[m]);
54787219db7SVictor Latushkin 			}
54887219db7SVictor Latushkin 			(void) printf("\n");
54987219db7SVictor Latushkin 			return;
55087219db7SVictor Latushkin 		}
55187219db7SVictor Latushkin 		children = c + 1;
55287219db7SVictor Latushkin 	}
55387219db7SVictor Latushkin 	for (; c < children; c++) {
55487219db7SVictor Latushkin 		vd = rvd->vdev_child[c];
55587219db7SVictor Latushkin 		print_vdev_metaslab_header(vd);
556fa9e4066Sahrens 
557fa9e4066Sahrens 		for (m = 0; m < vd->vdev_ms_count; m++)
558fa9e4066Sahrens 			dump_metaslab(vd->vdev_ms[m]);
559fa9e4066Sahrens 		(void) printf("\n");
560fa9e4066Sahrens 	}
561fa9e4066Sahrens }
562fa9e4066Sahrens 
563b24ab676SJeff Bonwick static void
564b24ab676SJeff Bonwick dump_dde(const ddt_t *ddt, const ddt_entry_t *dde, uint64_t index)
565b24ab676SJeff Bonwick {
566b24ab676SJeff Bonwick 	const ddt_phys_t *ddp = dde->dde_phys;
567b24ab676SJeff Bonwick 	const ddt_key_t *ddk = &dde->dde_key;
568b24ab676SJeff Bonwick 	char *types[4] = { "ditto", "single", "double", "triple" };
569b24ab676SJeff Bonwick 	char blkbuf[BP_SPRINTF_LEN];
570b24ab676SJeff Bonwick 	blkptr_t blk;
571b24ab676SJeff Bonwick 
572b24ab676SJeff Bonwick 	for (int p = 0; p < DDT_PHYS_TYPES; p++, ddp++) {
573b24ab676SJeff Bonwick 		if (ddp->ddp_phys_birth == 0)
574b24ab676SJeff Bonwick 			continue;
575bbfd46c4SJeff Bonwick 		ddt_bp_create(ddt->ddt_checksum, ddk, ddp, &blk);
576b24ab676SJeff Bonwick 		sprintf_blkptr(blkbuf, &blk);
577b24ab676SJeff Bonwick 		(void) printf("index %llx refcnt %llu %s %s\n",
578b24ab676SJeff Bonwick 		    (u_longlong_t)index, (u_longlong_t)ddp->ddp_refcnt,
579b24ab676SJeff Bonwick 		    types[p], blkbuf);
580b24ab676SJeff Bonwick 	}
581b24ab676SJeff Bonwick }
582b24ab676SJeff Bonwick 
583b24ab676SJeff Bonwick static void
584b24ab676SJeff Bonwick dump_dedup_ratio(const ddt_stat_t *dds)
585b24ab676SJeff Bonwick {
586b24ab676SJeff Bonwick 	double rL, rP, rD, D, dedup, compress, copies;
587b24ab676SJeff Bonwick 
588b24ab676SJeff Bonwick 	if (dds->dds_blocks == 0)
589b24ab676SJeff Bonwick 		return;
590b24ab676SJeff Bonwick 
591b24ab676SJeff Bonwick 	rL = (double)dds->dds_ref_lsize;
592b24ab676SJeff Bonwick 	rP = (double)dds->dds_ref_psize;
593b24ab676SJeff Bonwick 	rD = (double)dds->dds_ref_dsize;
594b24ab676SJeff Bonwick 	D = (double)dds->dds_dsize;
595b24ab676SJeff Bonwick 
596b24ab676SJeff Bonwick 	dedup = rD / D;
597b24ab676SJeff Bonwick 	compress = rL / rP;
598b24ab676SJeff Bonwick 	copies = rD / rP;
599b24ab676SJeff Bonwick 
600b24ab676SJeff Bonwick 	(void) printf("dedup = %.2f, compress = %.2f, copies = %.2f, "
601b24ab676SJeff Bonwick 	    "dedup * compress / copies = %.2f\n\n",
602b24ab676SJeff Bonwick 	    dedup, compress, copies, dedup * compress / copies);
603b24ab676SJeff Bonwick }
604b24ab676SJeff Bonwick 
605b24ab676SJeff Bonwick static void
606b24ab676SJeff Bonwick dump_ddt(ddt_t *ddt, enum ddt_type type, enum ddt_class class)
607b24ab676SJeff Bonwick {
608b24ab676SJeff Bonwick 	char name[DDT_NAMELEN];
609b24ab676SJeff Bonwick 	ddt_entry_t dde;
610b24ab676SJeff Bonwick 	uint64_t walk = 0;
611b24ab676SJeff Bonwick 	dmu_object_info_t doi;
612b24ab676SJeff Bonwick 	uint64_t count, dspace, mspace;
613b24ab676SJeff Bonwick 	int error;
614b24ab676SJeff Bonwick 
615b24ab676SJeff Bonwick 	error = ddt_object_info(ddt, type, class, &doi);
616b24ab676SJeff Bonwick 
617b24ab676SJeff Bonwick 	if (error == ENOENT)
618b24ab676SJeff Bonwick 		return;
619b24ab676SJeff Bonwick 	ASSERT(error == 0);
620b24ab676SJeff Bonwick 
621b24ab676SJeff Bonwick 	count = ddt_object_count(ddt, type, class);
622b24ab676SJeff Bonwick 	dspace = doi.doi_physical_blocks_512 << 9;
623b24ab676SJeff Bonwick 	mspace = doi.doi_fill_count * doi.doi_data_block_size;
624b24ab676SJeff Bonwick 
625b24ab676SJeff Bonwick 	ASSERT(count != 0);	/* we should have destroyed it */
626b24ab676SJeff Bonwick 
627b24ab676SJeff Bonwick 	ddt_object_name(ddt, type, class, name);
628b24ab676SJeff Bonwick 
629b24ab676SJeff Bonwick 	(void) printf("%s: %llu entries, size %llu on disk, %llu in core\n",
630b24ab676SJeff Bonwick 	    name,
631b24ab676SJeff Bonwick 	    (u_longlong_t)count,
632b24ab676SJeff Bonwick 	    (u_longlong_t)(dspace / count),
633b24ab676SJeff Bonwick 	    (u_longlong_t)(mspace / count));
634b24ab676SJeff Bonwick 
635b24ab676SJeff Bonwick 	if (dump_opt['D'] < 3)
636b24ab676SJeff Bonwick 		return;
637b24ab676SJeff Bonwick 
6389eb19f4dSGeorge Wilson 	zpool_dump_ddt(NULL, &ddt->ddt_histogram[type][class]);
639b24ab676SJeff Bonwick 
640b24ab676SJeff Bonwick 	if (dump_opt['D'] < 4)
641b24ab676SJeff Bonwick 		return;
642b24ab676SJeff Bonwick 
643b24ab676SJeff Bonwick 	if (dump_opt['D'] < 5 && class == DDT_CLASS_UNIQUE)
644b24ab676SJeff Bonwick 		return;
645b24ab676SJeff Bonwick 
646b24ab676SJeff Bonwick 	(void) printf("%s contents:\n\n", name);
647b24ab676SJeff Bonwick 
648bbfd46c4SJeff Bonwick 	while ((error = ddt_object_walk(ddt, type, class, &walk, &dde)) == 0)
649b24ab676SJeff Bonwick 		dump_dde(ddt, &dde, walk);
650b24ab676SJeff Bonwick 
651b24ab676SJeff Bonwick 	ASSERT(error == ENOENT);
652b24ab676SJeff Bonwick 
653b24ab676SJeff Bonwick 	(void) printf("\n");
654b24ab676SJeff Bonwick }
655b24ab676SJeff Bonwick 
656b24ab676SJeff Bonwick static void
657b24ab676SJeff Bonwick dump_all_ddts(spa_t *spa)
658b24ab676SJeff Bonwick {
659b24ab676SJeff Bonwick 	ddt_histogram_t ddh_total = { 0 };
660b24ab676SJeff Bonwick 	ddt_stat_t dds_total = { 0 };
661b24ab676SJeff Bonwick 
662b24ab676SJeff Bonwick 	for (enum zio_checksum c = 0; c < ZIO_CHECKSUM_FUNCTIONS; c++) {
663b24ab676SJeff Bonwick 		ddt_t *ddt = spa->spa_ddt[c];
664b24ab676SJeff Bonwick 		for (enum ddt_type type = 0; type < DDT_TYPES; type++) {
665b24ab676SJeff Bonwick 			for (enum ddt_class class = 0; class < DDT_CLASSES;
666b24ab676SJeff Bonwick 			    class++) {
667b24ab676SJeff Bonwick 				dump_ddt(ddt, type, class);
668b24ab676SJeff Bonwick 			}
669b24ab676SJeff Bonwick 		}
670b24ab676SJeff Bonwick 	}
671b24ab676SJeff Bonwick 
6729eb19f4dSGeorge Wilson 	ddt_get_dedup_stats(spa, &dds_total);
673b24ab676SJeff Bonwick 
674b24ab676SJeff Bonwick 	if (dds_total.dds_blocks == 0) {
675b24ab676SJeff Bonwick 		(void) printf("All DDTs are empty\n");
676b24ab676SJeff Bonwick 		return;
677b24ab676SJeff Bonwick 	}
678b24ab676SJeff Bonwick 
679b24ab676SJeff Bonwick 	(void) printf("\n");
680b24ab676SJeff Bonwick 
681b24ab676SJeff Bonwick 	if (dump_opt['D'] > 1) {
682b24ab676SJeff Bonwick 		(void) printf("DDT histogram (aggregated over all DDTs):\n");
6839eb19f4dSGeorge Wilson 		ddt_get_dedup_histogram(spa, &ddh_total);
6849eb19f4dSGeorge Wilson 		zpool_dump_ddt(&dds_total, &ddh_total);
685b24ab676SJeff Bonwick 	}
686b24ab676SJeff Bonwick 
687b24ab676SJeff Bonwick 	dump_dedup_ratio(&dds_total);
688b24ab676SJeff Bonwick }
689b24ab676SJeff Bonwick 
6908ad4d6ddSJeff Bonwick static void
6918ad4d6ddSJeff Bonwick dump_dtl_seg(space_map_t *sm, uint64_t start, uint64_t size)
6928ad4d6ddSJeff Bonwick {
6938ad4d6ddSJeff Bonwick 	char *prefix = (void *)sm;
6948ad4d6ddSJeff Bonwick 
6958ad4d6ddSJeff Bonwick 	(void) printf("%s [%llu,%llu) length %llu\n",
6968ad4d6ddSJeff Bonwick 	    prefix,
6978ad4d6ddSJeff Bonwick 	    (u_longlong_t)start,
6988ad4d6ddSJeff Bonwick 	    (u_longlong_t)(start + size),
6998ad4d6ddSJeff Bonwick 	    (u_longlong_t)(size));
7008ad4d6ddSJeff Bonwick }
7018ad4d6ddSJeff Bonwick 
702fa9e4066Sahrens static void
703fa9e4066Sahrens dump_dtl(vdev_t *vd, int indent)
704fa9e4066Sahrens {
7058ad4d6ddSJeff Bonwick 	spa_t *spa = vd->vdev_spa;
7068ad4d6ddSJeff Bonwick 	boolean_t required;
7078ad4d6ddSJeff Bonwick 	char *name[DTL_TYPES] = { "missing", "partial", "scrub", "outage" };
7088ad4d6ddSJeff Bonwick 	char prefix[256];
7098ad4d6ddSJeff Bonwick 
7108f18d1faSGeorge Wilson 	spa_vdev_state_enter(spa, SCL_NONE);
7118ad4d6ddSJeff Bonwick 	required = vdev_dtl_required(vd);
7128ad4d6ddSJeff Bonwick 	(void) spa_vdev_state_exit(spa, NULL, 0);
713fa9e4066Sahrens 
714fa9e4066Sahrens 	if (indent == 0)
715fa9e4066Sahrens 		(void) printf("\nDirty time logs:\n\n");
716fa9e4066Sahrens 
7178ad4d6ddSJeff Bonwick 	(void) printf("\t%*s%s [%s]\n", indent, "",
718e14bb325SJeff Bonwick 	    vd->vdev_path ? vd->vdev_path :
7198ad4d6ddSJeff Bonwick 	    vd->vdev_parent ? vd->vdev_ops->vdev_op_type : spa_name(spa),
7208ad4d6ddSJeff Bonwick 	    required ? "DTL-required" : "DTL-expendable");
721fa9e4066Sahrens 
7228ad4d6ddSJeff Bonwick 	for (int t = 0; t < DTL_TYPES; t++) {
7238ad4d6ddSJeff Bonwick 		space_map_t *sm = &vd->vdev_dtl[t];
7248ad4d6ddSJeff Bonwick 		if (sm->sm_space == 0)
7258ad4d6ddSJeff Bonwick 			continue;
7268ad4d6ddSJeff Bonwick 		(void) snprintf(prefix, sizeof (prefix), "\t%*s%s",
7278ad4d6ddSJeff Bonwick 		    indent + 2, "", name[t]);
7288ad4d6ddSJeff Bonwick 		mutex_enter(sm->sm_lock);
7298ad4d6ddSJeff Bonwick 		space_map_walk(sm, dump_dtl_seg, (void *)prefix);
7308ad4d6ddSJeff Bonwick 		mutex_exit(sm->sm_lock);
7318ad4d6ddSJeff Bonwick 		if (dump_opt['d'] > 5 && vd->vdev_children == 0)
7328ad4d6ddSJeff Bonwick 			dump_spacemap(spa->spa_meta_objset,
7338ad4d6ddSJeff Bonwick 			    &vd->vdev_dtl_smo, sm);
734fa9e4066Sahrens 	}
735fa9e4066Sahrens 
7368ad4d6ddSJeff Bonwick 	for (int c = 0; c < vd->vdev_children; c++)
737fa9e4066Sahrens 		dump_dtl(vd->vdev_child[c], indent + 4);
738fa9e4066Sahrens }
739fa9e4066Sahrens 
7408f18d1faSGeorge Wilson static void
7418f18d1faSGeorge Wilson dump_history(spa_t *spa)
7428f18d1faSGeorge Wilson {
7438f18d1faSGeorge Wilson 	nvlist_t **events = NULL;
7448f18d1faSGeorge Wilson 	char buf[SPA_MAXBLOCKSIZE];
745e4161df6SVictor Latushkin 	uint64_t resid, len, off = 0;
7468f18d1faSGeorge Wilson 	uint_t num = 0;
7478f18d1faSGeorge Wilson 	int error;
7488f18d1faSGeorge Wilson 	time_t tsec;
7498f18d1faSGeorge Wilson 	struct tm t;
7508f18d1faSGeorge Wilson 	char tbuf[30];
7518f18d1faSGeorge Wilson 	char internalstr[MAXPATHLEN];
7528f18d1faSGeorge Wilson 
7538f18d1faSGeorge Wilson 	do {
754e4161df6SVictor Latushkin 		len = sizeof (buf);
755e4161df6SVictor Latushkin 
7568f18d1faSGeorge Wilson 		if ((error = spa_history_get(spa, &off, &len, buf)) != 0) {
7578f18d1faSGeorge Wilson 			(void) fprintf(stderr, "Unable to read history: "
7588f18d1faSGeorge Wilson 			    "error %d\n", error);
7598f18d1faSGeorge Wilson 			return;
7608f18d1faSGeorge Wilson 		}
7618f18d1faSGeorge Wilson 
7628f18d1faSGeorge Wilson 		if (zpool_history_unpack(buf, len, &resid, &events, &num) != 0)
7638f18d1faSGeorge Wilson 			break;
7648f18d1faSGeorge Wilson 
7658f18d1faSGeorge Wilson 		off -= resid;
7668f18d1faSGeorge Wilson 	} while (len != 0);
7678f18d1faSGeorge Wilson 
7688f18d1faSGeorge Wilson 	(void) printf("\nHistory:\n");
7698f18d1faSGeorge Wilson 	for (int i = 0; i < num; i++) {
7708f18d1faSGeorge Wilson 		uint64_t time, txg, ievent;
7718f18d1faSGeorge Wilson 		char *cmd, *intstr;
7728f18d1faSGeorge Wilson 
7738f18d1faSGeorge Wilson 		if (nvlist_lookup_uint64(events[i], ZPOOL_HIST_TIME,
7748f18d1faSGeorge Wilson 		    &time) != 0)
7758f18d1faSGeorge Wilson 			continue;
7768f18d1faSGeorge Wilson 		if (nvlist_lookup_string(events[i], ZPOOL_HIST_CMD,
7778f18d1faSGeorge Wilson 		    &cmd) != 0) {
7788f18d1faSGeorge Wilson 			if (nvlist_lookup_uint64(events[i],
7798f18d1faSGeorge Wilson 			    ZPOOL_HIST_INT_EVENT, &ievent) != 0)
7808f18d1faSGeorge Wilson 				continue;
7818f18d1faSGeorge Wilson 			verify(nvlist_lookup_uint64(events[i],
7828f18d1faSGeorge Wilson 			    ZPOOL_HIST_TXG, &txg) == 0);
7838f18d1faSGeorge Wilson 			verify(nvlist_lookup_string(events[i],
7848f18d1faSGeorge Wilson 			    ZPOOL_HIST_INT_STR, &intstr) == 0);
7858f18d1faSGeorge Wilson 			if (ievent >= LOG_END)
7868f18d1faSGeorge Wilson 				continue;
7878f18d1faSGeorge Wilson 
7888f18d1faSGeorge Wilson 			(void) snprintf(internalstr,
7898f18d1faSGeorge Wilson 			    sizeof (internalstr),
7908f18d1faSGeorge Wilson 			    "[internal %s txg:%lld] %s",
7918f18d1faSGeorge Wilson 			    hist_event_table[ievent], txg,
7928f18d1faSGeorge Wilson 			    intstr);
7938f18d1faSGeorge Wilson 			cmd = internalstr;
7948f18d1faSGeorge Wilson 		}
7958f18d1faSGeorge Wilson 		tsec = time;
7968f18d1faSGeorge Wilson 		(void) localtime_r(&tsec, &t);
7978f18d1faSGeorge Wilson 		(void) strftime(tbuf, sizeof (tbuf), "%F.%T", &t);
7988f18d1faSGeorge Wilson 		(void) printf("%s %s\n", tbuf, cmd);
7998f18d1faSGeorge Wilson 	}
8008f18d1faSGeorge Wilson }
8018f18d1faSGeorge Wilson 
802fa9e4066Sahrens /*ARGSUSED*/
803fa9e4066Sahrens static void
804fa9e4066Sahrens dump_dnode(objset_t *os, uint64_t object, void *data, size_t size)
805fa9e4066Sahrens {
806fa9e4066Sahrens }
807fa9e4066Sahrens 
808fa9e4066Sahrens static uint64_t
809b24ab676SJeff Bonwick blkid2offset(const dnode_phys_t *dnp, const blkptr_t *bp, const zbookmark_t *zb)
810fa9e4066Sahrens {
811b24ab676SJeff Bonwick 	if (dnp == NULL) {
812b24ab676SJeff Bonwick 		ASSERT(zb->zb_level < 0);
813b24ab676SJeff Bonwick 		if (zb->zb_object == 0)
814b24ab676SJeff Bonwick 			return (zb->zb_blkid);
815b24ab676SJeff Bonwick 		return (zb->zb_blkid * BP_GET_LSIZE(bp));
816b24ab676SJeff Bonwick 	}
817b24ab676SJeff Bonwick 
818b24ab676SJeff Bonwick 	ASSERT(zb->zb_level >= 0);
819fa9e4066Sahrens 
820b24ab676SJeff Bonwick 	return ((zb->zb_blkid <<
821b24ab676SJeff Bonwick 	    (zb->zb_level * (dnp->dn_indblkshift - SPA_BLKPTRSHIFT))) *
822fa9e4066Sahrens 	    dnp->dn_datablkszsec << SPA_MINBLOCKSHIFT);
823fa9e4066Sahrens }
824fa9e4066Sahrens 
82544cd46caSbillm static void
826b24ab676SJeff Bonwick sprintf_blkptr_compact(char *blkbuf, blkptr_t *bp)
82744cd46caSbillm {
82844cd46caSbillm 	dva_t *dva = bp->blk_dva;
829b24ab676SJeff Bonwick 	int ndvas = dump_opt['d'] > 5 ? BP_GET_NDVAS(bp) : 1;
830b24ab676SJeff Bonwick 
831b24ab676SJeff Bonwick 	if (dump_opt['b'] >= 5) {
832b24ab676SJeff Bonwick 		sprintf_blkptr(blkbuf, bp);
833b24ab676SJeff Bonwick 		return;
834b24ab676SJeff Bonwick 	}
83544cd46caSbillm 
83644cd46caSbillm 	blkbuf[0] = '\0';
83744cd46caSbillm 
838b24ab676SJeff Bonwick 	for (int i = 0; i < ndvas; i++)
83944cd46caSbillm 		(void) sprintf(blkbuf + strlen(blkbuf), "%llu:%llx:%llx ",
84044cd46caSbillm 		    (u_longlong_t)DVA_GET_VDEV(&dva[i]),
84144cd46caSbillm 		    (u_longlong_t)DVA_GET_OFFSET(&dva[i]),
84244cd46caSbillm 		    (u_longlong_t)DVA_GET_ASIZE(&dva[i]));
84344cd46caSbillm 
844b24ab676SJeff Bonwick 	(void) sprintf(blkbuf + strlen(blkbuf),
845b24ab676SJeff Bonwick 	    "%llxL/%llxP F=%llu B=%llu/%llu",
84644cd46caSbillm 	    (u_longlong_t)BP_GET_LSIZE(bp),
84744cd46caSbillm 	    (u_longlong_t)BP_GET_PSIZE(bp),
84844cd46caSbillm 	    (u_longlong_t)bp->blk_fill,
849b24ab676SJeff Bonwick 	    (u_longlong_t)bp->blk_birth,
850b24ab676SJeff Bonwick 	    (u_longlong_t)BP_PHYSICAL_BIRTH(bp));
85144cd46caSbillm }
85244cd46caSbillm 
85388b7b0f2SMatthew Ahrens static void
85488b7b0f2SMatthew Ahrens print_indirect(blkptr_t *bp, const zbookmark_t *zb,
85588b7b0f2SMatthew Ahrens     const dnode_phys_t *dnp)
856fa9e4066Sahrens {
85788b7b0f2SMatthew Ahrens 	char blkbuf[BP_SPRINTF_LEN];
858fa9e4066Sahrens 	int l;
859fa9e4066Sahrens 
86088b7b0f2SMatthew Ahrens 	ASSERT3U(BP_GET_TYPE(bp), ==, dnp->dn_type);
86188b7b0f2SMatthew Ahrens 	ASSERT3U(BP_GET_LEVEL(bp), ==, zb->zb_level);
862fa9e4066Sahrens 
863b24ab676SJeff Bonwick 	(void) printf("%16llx ", (u_longlong_t)blkid2offset(dnp, bp, zb));
864fa9e4066Sahrens 
865fa9e4066Sahrens 	ASSERT(zb->zb_level >= 0);
866fa9e4066Sahrens 
867fa9e4066Sahrens 	for (l = dnp->dn_nlevels - 1; l >= -1; l--) {
868fa9e4066Sahrens 		if (l == zb->zb_level) {
86988b7b0f2SMatthew Ahrens 			(void) printf("L%llx", (u_longlong_t)zb->zb_level);
870fa9e4066Sahrens 		} else {
87188b7b0f2SMatthew Ahrens 			(void) printf(" ");
872fa9e4066Sahrens 		}
873fa9e4066Sahrens 	}
874fa9e4066Sahrens 
875b24ab676SJeff Bonwick 	sprintf_blkptr_compact(blkbuf, bp);
87688b7b0f2SMatthew Ahrens 	(void) printf("%s\n", blkbuf);
87788b7b0f2SMatthew Ahrens }
87888b7b0f2SMatthew Ahrens 
87988b7b0f2SMatthew Ahrens static int
88088b7b0f2SMatthew Ahrens visit_indirect(spa_t *spa, const dnode_phys_t *dnp,
88188b7b0f2SMatthew Ahrens     blkptr_t *bp, const zbookmark_t *zb)
88288b7b0f2SMatthew Ahrens {
883e4161df6SVictor Latushkin 	int err = 0;
88488b7b0f2SMatthew Ahrens 
88588b7b0f2SMatthew Ahrens 	if (bp->blk_birth == 0)
88688b7b0f2SMatthew Ahrens 		return (0);
88788b7b0f2SMatthew Ahrens 
88888b7b0f2SMatthew Ahrens 	print_indirect(bp, zb, dnp);
88988b7b0f2SMatthew Ahrens 
89088b7b0f2SMatthew Ahrens 	if (BP_GET_LEVEL(bp) > 0) {
89188b7b0f2SMatthew Ahrens 		uint32_t flags = ARC_WAIT;
89288b7b0f2SMatthew Ahrens 		int i;
89388b7b0f2SMatthew Ahrens 		blkptr_t *cbp;
89488b7b0f2SMatthew Ahrens 		int epb = BP_GET_LSIZE(bp) >> SPA_BLKPTRSHIFT;
89588b7b0f2SMatthew Ahrens 		arc_buf_t *buf;
89688b7b0f2SMatthew Ahrens 		uint64_t fill = 0;
89788b7b0f2SMatthew Ahrens 
89888b7b0f2SMatthew Ahrens 		err = arc_read_nolock(NULL, spa, bp, arc_getbuf_func, &buf,
89988b7b0f2SMatthew Ahrens 		    ZIO_PRIORITY_ASYNC_READ, ZIO_FLAG_CANFAIL, &flags, zb);
90088b7b0f2SMatthew Ahrens 		if (err)
90188b7b0f2SMatthew Ahrens 			return (err);
90288b7b0f2SMatthew Ahrens 
90388b7b0f2SMatthew Ahrens 		/* recursively visit blocks below this */
90488b7b0f2SMatthew Ahrens 		cbp = buf->b_data;
90588b7b0f2SMatthew Ahrens 		for (i = 0; i < epb; i++, cbp++) {
90688b7b0f2SMatthew Ahrens 			zbookmark_t czb;
90788b7b0f2SMatthew Ahrens 
90888b7b0f2SMatthew Ahrens 			SET_BOOKMARK(&czb, zb->zb_objset, zb->zb_object,
90988b7b0f2SMatthew Ahrens 			    zb->zb_level - 1,
91088b7b0f2SMatthew Ahrens 			    zb->zb_blkid * epb + i);
91188b7b0f2SMatthew Ahrens 			err = visit_indirect(spa, dnp, cbp, &czb);
91288b7b0f2SMatthew Ahrens 			if (err)
91388b7b0f2SMatthew Ahrens 				break;
91488b7b0f2SMatthew Ahrens 			fill += cbp->blk_fill;
91588b7b0f2SMatthew Ahrens 		}
9168ad4d6ddSJeff Bonwick 		if (!err)
9178ad4d6ddSJeff Bonwick 			ASSERT3U(fill, ==, bp->blk_fill);
91888b7b0f2SMatthew Ahrens 		(void) arc_buf_remove_ref(buf, &buf);
919fa9e4066Sahrens 	}
920fa9e4066Sahrens 
92188b7b0f2SMatthew Ahrens 	return (err);
922fa9e4066Sahrens }
923fa9e4066Sahrens 
924fa9e4066Sahrens /*ARGSUSED*/
925fa9e4066Sahrens static void
92688b7b0f2SMatthew Ahrens dump_indirect(dnode_t *dn)
927fa9e4066Sahrens {
92888b7b0f2SMatthew Ahrens 	dnode_phys_t *dnp = dn->dn_phys;
92988b7b0f2SMatthew Ahrens 	int j;
93088b7b0f2SMatthew Ahrens 	zbookmark_t czb;
931fa9e4066Sahrens 
932fa9e4066Sahrens 	(void) printf("Indirect blocks:\n");
933fa9e4066Sahrens 
934503ad85cSMatthew Ahrens 	SET_BOOKMARK(&czb, dmu_objset_id(dn->dn_objset),
93588b7b0f2SMatthew Ahrens 	    dn->dn_object, dnp->dn_nlevels - 1, 0);
93688b7b0f2SMatthew Ahrens 	for (j = 0; j < dnp->dn_nblkptr; j++) {
93788b7b0f2SMatthew Ahrens 		czb.zb_blkid = j;
938503ad85cSMatthew Ahrens 		(void) visit_indirect(dmu_objset_spa(dn->dn_objset), dnp,
93988b7b0f2SMatthew Ahrens 		    &dnp->dn_blkptr[j], &czb);
94088b7b0f2SMatthew Ahrens 	}
941fa9e4066Sahrens 
942fa9e4066Sahrens 	(void) printf("\n");
943fa9e4066Sahrens }
944fa9e4066Sahrens 
945fa9e4066Sahrens /*ARGSUSED*/
946fa9e4066Sahrens static void
947fa9e4066Sahrens dump_dsl_dir(objset_t *os, uint64_t object, void *data, size_t size)
948fa9e4066Sahrens {
949fa9e4066Sahrens 	dsl_dir_phys_t *dd = data;
950fa9e4066Sahrens 	time_t crtime;
95174e7dc98SMatthew Ahrens 	char nice[6];
952fa9e4066Sahrens 
953fa9e4066Sahrens 	if (dd == NULL)
954fa9e4066Sahrens 		return;
955fa9e4066Sahrens 
956da6c28aaSamw 	ASSERT3U(size, >=, sizeof (dsl_dir_phys_t));
957fa9e4066Sahrens 
958fa9e4066Sahrens 	crtime = dd->dd_creation_time;
959fa9e4066Sahrens 	(void) printf("\t\tcreation_time = %s", ctime(&crtime));
960fa9e4066Sahrens 	(void) printf("\t\thead_dataset_obj = %llu\n",
961fa9e4066Sahrens 	    (u_longlong_t)dd->dd_head_dataset_obj);
962fa9e4066Sahrens 	(void) printf("\t\tparent_dir_obj = %llu\n",
963fa9e4066Sahrens 	    (u_longlong_t)dd->dd_parent_obj);
9643cb34c60Sahrens 	(void) printf("\t\torigin_obj = %llu\n",
9653cb34c60Sahrens 	    (u_longlong_t)dd->dd_origin_obj);
966fa9e4066Sahrens 	(void) printf("\t\tchild_dir_zapobj = %llu\n",
967fa9e4066Sahrens 	    (u_longlong_t)dd->dd_child_dir_zapobj);
96874e7dc98SMatthew Ahrens 	nicenum(dd->dd_used_bytes, nice);
96974e7dc98SMatthew Ahrens 	(void) printf("\t\tused_bytes = %s\n", nice);
97074e7dc98SMatthew Ahrens 	nicenum(dd->dd_compressed_bytes, nice);
97174e7dc98SMatthew Ahrens 	(void) printf("\t\tcompressed_bytes = %s\n", nice);
97274e7dc98SMatthew Ahrens 	nicenum(dd->dd_uncompressed_bytes, nice);
97374e7dc98SMatthew Ahrens 	(void) printf("\t\tuncompressed_bytes = %s\n", nice);
97474e7dc98SMatthew Ahrens 	nicenum(dd->dd_quota, nice);
97574e7dc98SMatthew Ahrens 	(void) printf("\t\tquota = %s\n", nice);
97674e7dc98SMatthew Ahrens 	nicenum(dd->dd_reserved, nice);
97774e7dc98SMatthew Ahrens 	(void) printf("\t\treserved = %s\n", nice);
978fa9e4066Sahrens 	(void) printf("\t\tprops_zapobj = %llu\n",
979fa9e4066Sahrens 	    (u_longlong_t)dd->dd_props_zapobj);
980ecd6cf80Smarks 	(void) printf("\t\tdeleg_zapobj = %llu\n",
981ecd6cf80Smarks 	    (u_longlong_t)dd->dd_deleg_zapobj);
98274e7dc98SMatthew Ahrens 	(void) printf("\t\tflags = %llx\n",
98374e7dc98SMatthew Ahrens 	    (u_longlong_t)dd->dd_flags);
98474e7dc98SMatthew Ahrens 
98574e7dc98SMatthew Ahrens #define	DO(which) \
98674e7dc98SMatthew Ahrens 	nicenum(dd->dd_used_breakdown[DD_USED_ ## which], nice); \
98774e7dc98SMatthew Ahrens 	(void) printf("\t\tused_breakdown[" #which "] = %s\n", nice)
98874e7dc98SMatthew Ahrens 	DO(HEAD);
98974e7dc98SMatthew Ahrens 	DO(SNAP);
99074e7dc98SMatthew Ahrens 	DO(CHILD);
99174e7dc98SMatthew Ahrens 	DO(CHILD_RSRV);
99274e7dc98SMatthew Ahrens 	DO(REFRSRV);
99374e7dc98SMatthew Ahrens #undef DO
994fa9e4066Sahrens }
995fa9e4066Sahrens 
996fa9e4066Sahrens /*ARGSUSED*/
997fa9e4066Sahrens static void
998fa9e4066Sahrens dump_dsl_dataset(objset_t *os, uint64_t object, void *data, size_t size)
999fa9e4066Sahrens {
1000fa9e4066Sahrens 	dsl_dataset_phys_t *ds = data;
1001fa9e4066Sahrens 	time_t crtime;
1002fbabab8fSmaybee 	char used[6], compressed[6], uncompressed[6], unique[6];
1003fbabab8fSmaybee 	char blkbuf[BP_SPRINTF_LEN];
1004fa9e4066Sahrens 
1005fa9e4066Sahrens 	if (ds == NULL)
1006fa9e4066Sahrens 		return;
1007fa9e4066Sahrens 
1008fa9e4066Sahrens 	ASSERT(size == sizeof (*ds));
1009fa9e4066Sahrens 	crtime = ds->ds_creation_time;
1010fa9e4066Sahrens 	nicenum(ds->ds_used_bytes, used);
1011fa9e4066Sahrens 	nicenum(ds->ds_compressed_bytes, compressed);
1012fa9e4066Sahrens 	nicenum(ds->ds_uncompressed_bytes, uncompressed);
1013fa9e4066Sahrens 	nicenum(ds->ds_unique_bytes, unique);
1014b24ab676SJeff Bonwick 	sprintf_blkptr(blkbuf, &ds->ds_bp);
1015fa9e4066Sahrens 
1016088f3894Sahrens 	(void) printf("\t\tdir_obj = %llu\n",
1017fa9e4066Sahrens 	    (u_longlong_t)ds->ds_dir_obj);
1018fa9e4066Sahrens 	(void) printf("\t\tprev_snap_obj = %llu\n",
1019fa9e4066Sahrens 	    (u_longlong_t)ds->ds_prev_snap_obj);
1020fa9e4066Sahrens 	(void) printf("\t\tprev_snap_txg = %llu\n",
1021fa9e4066Sahrens 	    (u_longlong_t)ds->ds_prev_snap_txg);
1022fa9e4066Sahrens 	(void) printf("\t\tnext_snap_obj = %llu\n",
1023fa9e4066Sahrens 	    (u_longlong_t)ds->ds_next_snap_obj);
1024fa9e4066Sahrens 	(void) printf("\t\tsnapnames_zapobj = %llu\n",
1025fa9e4066Sahrens 	    (u_longlong_t)ds->ds_snapnames_zapobj);
1026fa9e4066Sahrens 	(void) printf("\t\tnum_children = %llu\n",
1027fa9e4066Sahrens 	    (u_longlong_t)ds->ds_num_children);
1028842727c2SChris Kirby 	(void) printf("\t\tuserrefs_obj = %llu\n",
1029842727c2SChris Kirby 	    (u_longlong_t)ds->ds_userrefs_obj);
1030fa9e4066Sahrens 	(void) printf("\t\tcreation_time = %s", ctime(&crtime));
1031fa9e4066Sahrens 	(void) printf("\t\tcreation_txg = %llu\n",
1032fa9e4066Sahrens 	    (u_longlong_t)ds->ds_creation_txg);
1033fa9e4066Sahrens 	(void) printf("\t\tdeadlist_obj = %llu\n",
1034fa9e4066Sahrens 	    (u_longlong_t)ds->ds_deadlist_obj);
1035fa9e4066Sahrens 	(void) printf("\t\tused_bytes = %s\n", used);
1036fa9e4066Sahrens 	(void) printf("\t\tcompressed_bytes = %s\n", compressed);
1037fa9e4066Sahrens 	(void) printf("\t\tuncompressed_bytes = %s\n", uncompressed);
1038fa9e4066Sahrens 	(void) printf("\t\tunique = %s\n", unique);
1039fa9e4066Sahrens 	(void) printf("\t\tfsid_guid = %llu\n",
1040fa9e4066Sahrens 	    (u_longlong_t)ds->ds_fsid_guid);
1041fa9e4066Sahrens 	(void) printf("\t\tguid = %llu\n",
1042fa9e4066Sahrens 	    (u_longlong_t)ds->ds_guid);
104399653d4eSeschrock 	(void) printf("\t\tflags = %llx\n",
104499653d4eSeschrock 	    (u_longlong_t)ds->ds_flags);
1045088f3894Sahrens 	(void) printf("\t\tnext_clones_obj = %llu\n",
1046088f3894Sahrens 	    (u_longlong_t)ds->ds_next_clones_obj);
1047bb0ade09Sahrens 	(void) printf("\t\tprops_obj = %llu\n",
1048bb0ade09Sahrens 	    (u_longlong_t)ds->ds_props_obj);
1049fa9e4066Sahrens 	(void) printf("\t\tbp = %s\n", blkbuf);
1050fa9e4066Sahrens }
1051fa9e4066Sahrens 
1052fa9e4066Sahrens static void
1053fa9e4066Sahrens dump_bplist(objset_t *mos, uint64_t object, char *name)
1054fa9e4066Sahrens {
1055fa9e4066Sahrens 	bplist_t bpl = { 0 };
1056fa9e4066Sahrens 	blkptr_t blk, *bp = &blk;
1057fa9e4066Sahrens 	uint64_t itor = 0;
105899653d4eSeschrock 	char bytes[6];
105999653d4eSeschrock 	char comp[6];
106099653d4eSeschrock 	char uncomp[6];
1061fa9e4066Sahrens 
1062fa9e4066Sahrens 	if (dump_opt['d'] < 3)
1063fa9e4066Sahrens 		return;
1064fa9e4066Sahrens 
1065b24ab676SJeff Bonwick 	bplist_init(&bpl);
1066ea8dc4b6Seschrock 	VERIFY(0 == bplist_open(&bpl, mos, object));
1067fa9e4066Sahrens 	if (bplist_empty(&bpl)) {
1068fa9e4066Sahrens 		bplist_close(&bpl);
1069b24ab676SJeff Bonwick 		bplist_fini(&bpl);
1070fa9e4066Sahrens 		return;
1071fa9e4066Sahrens 	}
1072fa9e4066Sahrens 
107399653d4eSeschrock 	nicenum(bpl.bpl_phys->bpl_bytes, bytes);
107499653d4eSeschrock 	if (bpl.bpl_dbuf->db_size == sizeof (bplist_phys_t)) {
107599653d4eSeschrock 		nicenum(bpl.bpl_phys->bpl_comp, comp);
107699653d4eSeschrock 		nicenum(bpl.bpl_phys->bpl_uncomp, uncomp);
107799653d4eSeschrock 		(void) printf("\n    %s: %llu entries, %s (%s/%s comp)\n",
107899653d4eSeschrock 		    name, (u_longlong_t)bpl.bpl_phys->bpl_entries,
107999653d4eSeschrock 		    bytes, comp, uncomp);
108099653d4eSeschrock 	} else {
108199653d4eSeschrock 		(void) printf("\n    %s: %llu entries, %s\n",
108299653d4eSeschrock 		    name, (u_longlong_t)bpl.bpl_phys->bpl_entries, bytes);
108399653d4eSeschrock 	}
1084fa9e4066Sahrens 
1085fa9e4066Sahrens 	if (dump_opt['d'] < 5) {
1086fa9e4066Sahrens 		bplist_close(&bpl);
1087b24ab676SJeff Bonwick 		bplist_fini(&bpl);
1088fa9e4066Sahrens 		return;
1089fa9e4066Sahrens 	}
1090fa9e4066Sahrens 
1091fa9e4066Sahrens 	(void) printf("\n");
1092fa9e4066Sahrens 
1093fa9e4066Sahrens 	while (bplist_iterate(&bpl, &itor, bp) == 0) {
109444cd46caSbillm 		char blkbuf[BP_SPRINTF_LEN];
109544cd46caSbillm 
1096fa9e4066Sahrens 		ASSERT(bp->blk_birth != 0);
1097b24ab676SJeff Bonwick 		sprintf_blkptr_compact(blkbuf, bp);
109844cd46caSbillm 		(void) printf("\tItem %3llu: %s\n",
109944cd46caSbillm 		    (u_longlong_t)itor - 1, blkbuf);
1100fa9e4066Sahrens 	}
1101fa9e4066Sahrens 
1102fa9e4066Sahrens 	bplist_close(&bpl);
1103b24ab676SJeff Bonwick 	bplist_fini(&bpl);
1104fa9e4066Sahrens }
1105fa9e4066Sahrens 
1106e0d35c44Smarks static avl_tree_t idx_tree;
1107e0d35c44Smarks static avl_tree_t domain_tree;
1108e0d35c44Smarks static boolean_t fuid_table_loaded;
1109e0d35c44Smarks 
1110e0d35c44Smarks static void
1111e0d35c44Smarks fuid_table_destroy()
1112e0d35c44Smarks {
1113e0d35c44Smarks 	if (fuid_table_loaded) {
1114e0d35c44Smarks 		zfs_fuid_table_destroy(&idx_tree, &domain_tree);
1115e0d35c44Smarks 		fuid_table_loaded = B_FALSE;
1116e0d35c44Smarks 	}
1117e0d35c44Smarks }
1118e0d35c44Smarks 
1119e0d35c44Smarks /*
1120e0d35c44Smarks  * print uid or gid information.
1121e0d35c44Smarks  * For normal POSIX id just the id is printed in decimal format.
1122e0d35c44Smarks  * For CIFS files with FUID the fuid is printed in hex followed by
1123e0d35c44Smarks  * the doman-rid string.
1124e0d35c44Smarks  */
1125e0d35c44Smarks static void
1126e0d35c44Smarks print_idstr(uint64_t id, const char *id_type)
1127e0d35c44Smarks {
1128e0d35c44Smarks 	if (FUID_INDEX(id)) {
1129e0d35c44Smarks 		char *domain;
1130e0d35c44Smarks 
1131e0d35c44Smarks 		domain = zfs_fuid_idx_domain(&idx_tree, FUID_INDEX(id));
1132e0d35c44Smarks 		(void) printf("\t%s     %llx [%s-%d]\n", id_type,
1133e0d35c44Smarks 		    (u_longlong_t)id, domain, (int)FUID_RID(id));
1134e0d35c44Smarks 	} else {
1135e0d35c44Smarks 		(void) printf("\t%s     %llu\n", id_type, (u_longlong_t)id);
1136e0d35c44Smarks 	}
1137e0d35c44Smarks 
1138e0d35c44Smarks }
1139e0d35c44Smarks 
1140e0d35c44Smarks static void
1141e0d35c44Smarks dump_uidgid(objset_t *os, znode_phys_t *zp)
1142e0d35c44Smarks {
1143e0d35c44Smarks 	uint32_t uid_idx, gid_idx;
1144e0d35c44Smarks 
1145e0d35c44Smarks 	uid_idx = FUID_INDEX(zp->zp_uid);
1146e0d35c44Smarks 	gid_idx = FUID_INDEX(zp->zp_gid);
1147e0d35c44Smarks 
1148e0d35c44Smarks 	/* Load domain table, if not already loaded */
1149e0d35c44Smarks 	if (!fuid_table_loaded && (uid_idx || gid_idx)) {
1150e0d35c44Smarks 		uint64_t fuid_obj;
1151e0d35c44Smarks 
1152e0d35c44Smarks 		/* first find the fuid object.  It lives in the master node */
1153e0d35c44Smarks 		VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_FUID_TABLES,
1154e0d35c44Smarks 		    8, 1, &fuid_obj) == 0);
115589459e17SMark Shellenbaum 		zfs_fuid_avl_tree_create(&idx_tree, &domain_tree);
1156e0d35c44Smarks 		(void) zfs_fuid_table_load(os, fuid_obj,
1157e0d35c44Smarks 		    &idx_tree, &domain_tree);
1158e0d35c44Smarks 		fuid_table_loaded = B_TRUE;
1159e0d35c44Smarks 	}
1160e0d35c44Smarks 
1161e0d35c44Smarks 	print_idstr(zp->zp_uid, "uid");
1162e0d35c44Smarks 	print_idstr(zp->zp_gid, "gid");
1163e0d35c44Smarks }
1164e0d35c44Smarks 
1165fa9e4066Sahrens /*ARGSUSED*/
1166fa9e4066Sahrens static void
1167fa9e4066Sahrens dump_znode(objset_t *os, uint64_t object, void *data, size_t size)
1168fa9e4066Sahrens {
1169fa9e4066Sahrens 	znode_phys_t *zp = data;
1170fa9e4066Sahrens 	time_t z_crtime, z_atime, z_mtime, z_ctime;
1171fa9e4066Sahrens 	char path[MAXPATHLEN * 2];	/* allow for xattr and failure prefix */
117255434c77Sek 	int error;
1173fa9e4066Sahrens 
1174fa9e4066Sahrens 	ASSERT(size >= sizeof (znode_phys_t));
1175fa9e4066Sahrens 
117655434c77Sek 	error = zfs_obj_to_path(os, object, path, sizeof (path));
117755434c77Sek 	if (error != 0) {
117855434c77Sek 		(void) snprintf(path, sizeof (path), "\?\?\?<object#%llu>",
117955434c77Sek 		    (u_longlong_t)object);
118055434c77Sek 	}
118155434c77Sek 
1182fa9e4066Sahrens 	if (dump_opt['d'] < 3) {
118355434c77Sek 		(void) printf("\t%s\n", path);
1184fa9e4066Sahrens 		return;
1185fa9e4066Sahrens 	}
1186fa9e4066Sahrens 
1187fa9e4066Sahrens 	z_crtime = (time_t)zp->zp_crtime[0];
1188fa9e4066Sahrens 	z_atime = (time_t)zp->zp_atime[0];
1189fa9e4066Sahrens 	z_mtime = (time_t)zp->zp_mtime[0];
1190fa9e4066Sahrens 	z_ctime = (time_t)zp->zp_ctime[0];
1191fa9e4066Sahrens 
119255434c77Sek 	(void) printf("\tpath	%s\n", path);
1193e0d35c44Smarks 	dump_uidgid(os, zp);
1194fa9e4066Sahrens 	(void) printf("\tatime	%s", ctime(&z_atime));
1195fa9e4066Sahrens 	(void) printf("\tmtime	%s", ctime(&z_mtime));
1196fa9e4066Sahrens 	(void) printf("\tctime	%s", ctime(&z_ctime));
1197fa9e4066Sahrens 	(void) printf("\tcrtime	%s", ctime(&z_crtime));
1198fa9e4066Sahrens 	(void) printf("\tgen	%llu\n", (u_longlong_t)zp->zp_gen);
1199fa9e4066Sahrens 	(void) printf("\tmode	%llo\n", (u_longlong_t)zp->zp_mode);
1200fa9e4066Sahrens 	(void) printf("\tsize	%llu\n", (u_longlong_t)zp->zp_size);
1201fa9e4066Sahrens 	(void) printf("\tparent	%llu\n", (u_longlong_t)zp->zp_parent);
1202fa9e4066Sahrens 	(void) printf("\tlinks	%llu\n", (u_longlong_t)zp->zp_links);
1203fa9e4066Sahrens 	(void) printf("\txattr	%llu\n", (u_longlong_t)zp->zp_xattr);
1204fa9e4066Sahrens 	(void) printf("\trdev	0x%016llx\n", (u_longlong_t)zp->zp_rdev);
1205fa9e4066Sahrens }
1206fa9e4066Sahrens 
1207fa9e4066Sahrens /*ARGSUSED*/
1208fa9e4066Sahrens static void
1209fa9e4066Sahrens dump_acl(objset_t *os, uint64_t object, void *data, size_t size)
1210fa9e4066Sahrens {
1211fa9e4066Sahrens }
1212fa9e4066Sahrens 
1213fa9e4066Sahrens /*ARGSUSED*/
1214fa9e4066Sahrens static void
1215fa9e4066Sahrens dump_dmu_objset(objset_t *os, uint64_t object, void *data, size_t size)
1216fa9e4066Sahrens {
1217fa9e4066Sahrens }
1218fa9e4066Sahrens 
12196de8f417SVictor Latushkin static object_viewer_t *object_viewer[DMU_OT_NUMTYPES + 1] = {
1220fa9e4066Sahrens 	dump_none,		/* unallocated			*/
1221fa9e4066Sahrens 	dump_zap,		/* object directory		*/
1222fa9e4066Sahrens 	dump_uint64,		/* object array			*/
1223fa9e4066Sahrens 	dump_none,		/* packed nvlist		*/
1224fa9e4066Sahrens 	dump_packed_nvlist,	/* packed nvlist size		*/
1225fa9e4066Sahrens 	dump_none,		/* bplist			*/
1226fa9e4066Sahrens 	dump_none,		/* bplist header		*/
1227fa9e4066Sahrens 	dump_none,		/* SPA space map header		*/
1228fa9e4066Sahrens 	dump_none,		/* SPA space map		*/
1229fa9e4066Sahrens 	dump_none,		/* ZIL intent log		*/
1230fa9e4066Sahrens 	dump_dnode,		/* DMU dnode			*/
1231fa9e4066Sahrens 	dump_dmu_objset,	/* DMU objset			*/
1232ea8dc4b6Seschrock 	dump_dsl_dir,		/* DSL directory		*/
1233fa9e4066Sahrens 	dump_zap,		/* DSL directory child map	*/
1234fa9e4066Sahrens 	dump_zap,		/* DSL dataset snap map		*/
1235fa9e4066Sahrens 	dump_zap,		/* DSL props			*/
1236fa9e4066Sahrens 	dump_dsl_dataset,	/* DSL dataset			*/
1237fa9e4066Sahrens 	dump_znode,		/* ZFS znode			*/
1238da6c28aaSamw 	dump_acl,		/* ZFS V0 ACL			*/
1239fa9e4066Sahrens 	dump_uint8,		/* ZFS plain file		*/
1240e7437265Sahrens 	dump_zpldir,		/* ZFS directory		*/
1241fa9e4066Sahrens 	dump_zap,		/* ZFS master node		*/
1242fa9e4066Sahrens 	dump_zap,		/* ZFS delete queue		*/
1243fa9e4066Sahrens 	dump_uint8,		/* zvol object			*/
1244fa9e4066Sahrens 	dump_zap,		/* zvol prop			*/
1245fa9e4066Sahrens 	dump_uint8,		/* other uint8[]		*/
1246fa9e4066Sahrens 	dump_uint64,		/* other uint64[]		*/
1247fa9e4066Sahrens 	dump_zap,		/* other ZAP			*/
1248ea8dc4b6Seschrock 	dump_zap,		/* persistent error log		*/
124906eeb2adSek 	dump_uint8,		/* SPA history			*/
125006eeb2adSek 	dump_uint64,		/* SPA history offsets		*/
1251b1b8ab34Slling 	dump_zap,		/* Pool properties		*/
1252ecd6cf80Smarks 	dump_zap,		/* DSL permissions		*/
1253da6c28aaSamw 	dump_acl,		/* ZFS ACL			*/
1254da6c28aaSamw 	dump_uint8,		/* ZFS SYSACL			*/
1255da6c28aaSamw 	dump_none,		/* FUID nvlist			*/
1256da6c28aaSamw 	dump_packed_nvlist,	/* FUID nvlist size		*/
1257088f3894Sahrens 	dump_zap,		/* DSL dataset next clones	*/
1258088f3894Sahrens 	dump_zap,		/* DSL scrub queue		*/
125914843421SMatthew Ahrens 	dump_zap,		/* ZFS user/group used		*/
126014843421SMatthew Ahrens 	dump_zap,		/* ZFS user/group quota		*/
1261842727c2SChris Kirby 	dump_zap,		/* snapshot refcount tags	*/
1262486ae710SMatthew Ahrens 	dump_ddt_zap,		/* DDT ZAP object		*/
1263b24ab676SJeff Bonwick 	dump_zap,		/* DDT statistics		*/
12646de8f417SVictor Latushkin 	dump_unknown		/* Unknown type, must be last	*/
1265fa9e4066Sahrens };
1266fa9e4066Sahrens 
1267fa9e4066Sahrens static void
1268fa9e4066Sahrens dump_object(objset_t *os, uint64_t object, int verbosity, int *print_header)
1269fa9e4066Sahrens {
1270fa9e4066Sahrens 	dmu_buf_t *db = NULL;
1271fa9e4066Sahrens 	dmu_object_info_t doi;
1272fa9e4066Sahrens 	dnode_t *dn;
1273fa9e4066Sahrens 	void *bonus = NULL;
1274fa9e4066Sahrens 	size_t bsize = 0;
1275b24ab676SJeff Bonwick 	char iblk[6], dblk[6], lsize[6], asize[6], bonus_size[6], fill[7];
1276fa9e4066Sahrens 	char aux[50];
1277fa9e4066Sahrens 	int error;
1278fa9e4066Sahrens 
1279fa9e4066Sahrens 	if (*print_header) {
1280b24ab676SJeff Bonwick 		(void) printf("\n%10s  %3s  %5s  %5s  %5s  %5s  %6s  %s\n",
1281b24ab676SJeff Bonwick 		    "Object", "lvl", "iblk", "dblk", "dsize", "lsize",
1282b24ab676SJeff Bonwick 		    "%full", "type");
1283fa9e4066Sahrens 		*print_header = 0;
1284fa9e4066Sahrens 	}
1285fa9e4066Sahrens 
1286fa9e4066Sahrens 	if (object == 0) {
1287503ad85cSMatthew Ahrens 		dn = os->os_meta_dnode;
1288fa9e4066Sahrens 	} else {
1289ea8dc4b6Seschrock 		error = dmu_bonus_hold(os, object, FTAG, &db);
1290ea8dc4b6Seschrock 		if (error)
1291ea8dc4b6Seschrock 			fatal("dmu_bonus_hold(%llu) failed, errno %u",
1292ea8dc4b6Seschrock 			    object, error);
1293fa9e4066Sahrens 		bonus = db->db_data;
1294fa9e4066Sahrens 		bsize = db->db_size;
1295fa9e4066Sahrens 		dn = ((dmu_buf_impl_t *)db)->db_dnode;
1296fa9e4066Sahrens 	}
1297fa9e4066Sahrens 	dmu_object_info_from_dnode(dn, &doi);
1298fa9e4066Sahrens 
1299fa9e4066Sahrens 	nicenum(doi.doi_metadata_block_size, iblk);
1300fa9e4066Sahrens 	nicenum(doi.doi_data_block_size, dblk);
1301b24ab676SJeff Bonwick 	nicenum(doi.doi_max_offset, lsize);
1302b24ab676SJeff Bonwick 	nicenum(doi.doi_physical_blocks_512 << 9, asize);
1303fa9e4066Sahrens 	nicenum(doi.doi_bonus_size, bonus_size);
1304b24ab676SJeff Bonwick 	(void) sprintf(fill, "%6.2f", 100.0 * doi.doi_fill_count *
1305bbfd46c4SJeff Bonwick 	    doi.doi_data_block_size / (object == 0 ? DNODES_PER_BLOCK : 1) /
1306bbfd46c4SJeff Bonwick 	    doi.doi_max_offset);
1307fa9e4066Sahrens 
1308fa9e4066Sahrens 	aux[0] = '\0';
1309fa9e4066Sahrens 
1310e7437265Sahrens 	if (doi.doi_checksum != ZIO_CHECKSUM_INHERIT || verbosity >= 6) {
1311fa9e4066Sahrens 		(void) snprintf(aux + strlen(aux), sizeof (aux), " (K=%s)",
13126de8f417SVictor Latushkin 		    ZDB_CHECKSUM_NAME(doi.doi_checksum));
1313e7437265Sahrens 	}
1314fa9e4066Sahrens 
1315e7437265Sahrens 	if (doi.doi_compress != ZIO_COMPRESS_INHERIT || verbosity >= 6) {
1316fa9e4066Sahrens 		(void) snprintf(aux + strlen(aux), sizeof (aux), " (Z=%s)",
13176de8f417SVictor Latushkin 		    ZDB_COMPRESS_NAME(doi.doi_compress));
1318e7437265Sahrens 	}
1319fa9e4066Sahrens 
1320b24ab676SJeff Bonwick 	(void) printf("%10lld  %3u  %5s  %5s  %5s  %5s  %6s  %s%s\n",
1321b24ab676SJeff Bonwick 	    (u_longlong_t)object, doi.doi_indirection, iblk, dblk,
1322b24ab676SJeff Bonwick 	    asize, lsize, fill, ZDB_OT_NAME(doi.doi_type), aux);
1323fa9e4066Sahrens 
1324fa9e4066Sahrens 	if (doi.doi_bonus_type != DMU_OT_NONE && verbosity > 3) {
1325b24ab676SJeff Bonwick 		(void) printf("%10s  %3s  %5s  %5s  %5s  %5s  %6s  %s\n",
1326b24ab676SJeff Bonwick 		    "", "", "", "", "", bonus_size, "bonus",
13276de8f417SVictor Latushkin 		    ZDB_OT_NAME(doi.doi_bonus_type));
1328fa9e4066Sahrens 	}
1329fa9e4066Sahrens 
1330fa9e4066Sahrens 	if (verbosity >= 4) {
133114843421SMatthew Ahrens 		(void) printf("\tdnode flags: %s%s\n",
133214843421SMatthew Ahrens 		    (dn->dn_phys->dn_flags & DNODE_FLAG_USED_BYTES) ?
133314843421SMatthew Ahrens 		    "USED_BYTES " : "",
133414843421SMatthew Ahrens 		    (dn->dn_phys->dn_flags & DNODE_FLAG_USERUSED_ACCOUNTED) ?
133514843421SMatthew Ahrens 		    "USERUSED_ACCOUNTED " : "");
133614843421SMatthew Ahrens 		(void) printf("\tdnode maxblkid: %llu\n",
133714843421SMatthew Ahrens 		    (longlong_t)dn->dn_phys->dn_maxblkid);
133814843421SMatthew Ahrens 
13396de8f417SVictor Latushkin 		object_viewer[ZDB_OT_TYPE(doi.doi_bonus_type)](os, object,
13406de8f417SVictor Latushkin 		    bonus, bsize);
13416de8f417SVictor Latushkin 		object_viewer[ZDB_OT_TYPE(doi.doi_type)](os, object, NULL, 0);
1342fa9e4066Sahrens 		*print_header = 1;
1343fa9e4066Sahrens 	}
1344fa9e4066Sahrens 
1345fa9e4066Sahrens 	if (verbosity >= 5)
134688b7b0f2SMatthew Ahrens 		dump_indirect(dn);
1347fa9e4066Sahrens 
1348fa9e4066Sahrens 	if (verbosity >= 5) {
1349fa9e4066Sahrens 		/*
1350fa9e4066Sahrens 		 * Report the list of segments that comprise the object.
1351fa9e4066Sahrens 		 */
1352fa9e4066Sahrens 		uint64_t start = 0;
1353fa9e4066Sahrens 		uint64_t end;
1354fa9e4066Sahrens 		uint64_t blkfill = 1;
1355fa9e4066Sahrens 		int minlvl = 1;
1356fa9e4066Sahrens 
1357fa9e4066Sahrens 		if (dn->dn_type == DMU_OT_DNODE) {
1358fa9e4066Sahrens 			minlvl = 0;
1359fa9e4066Sahrens 			blkfill = DNODES_PER_BLOCK;
1360fa9e4066Sahrens 		}
1361fa9e4066Sahrens 
1362fa9e4066Sahrens 		for (;;) {
1363b24ab676SJeff Bonwick 			char segsize[6];
1364cdb0ab79Smaybee 			error = dnode_next_offset(dn,
1365cdb0ab79Smaybee 			    0, &start, minlvl, blkfill, 0);
1366fa9e4066Sahrens 			if (error)
1367fa9e4066Sahrens 				break;
1368fa9e4066Sahrens 			end = start;
1369cdb0ab79Smaybee 			error = dnode_next_offset(dn,
1370cdb0ab79Smaybee 			    DNODE_FIND_HOLE, &end, minlvl, blkfill, 0);
1371fa9e4066Sahrens 			nicenum(end - start, segsize);
1372fa9e4066Sahrens 			(void) printf("\t\tsegment [%016llx, %016llx)"
1373fa9e4066Sahrens 			    " size %5s\n", (u_longlong_t)start,
1374fa9e4066Sahrens 			    (u_longlong_t)end, segsize);
1375fa9e4066Sahrens 			if (error)
1376fa9e4066Sahrens 				break;
1377fa9e4066Sahrens 			start = end;
1378fa9e4066Sahrens 		}
1379fa9e4066Sahrens 	}
1380fa9e4066Sahrens 
1381fa9e4066Sahrens 	if (db != NULL)
1382ea8dc4b6Seschrock 		dmu_buf_rele(db, FTAG);
1383fa9e4066Sahrens }
1384fa9e4066Sahrens 
1385fa9e4066Sahrens static char *objset_types[DMU_OST_NUMTYPES] = {
1386fa9e4066Sahrens 	"NONE", "META", "ZPL", "ZVOL", "OTHER", "ANY" };
1387fa9e4066Sahrens 
1388fa9e4066Sahrens static void
1389fa9e4066Sahrens dump_dir(objset_t *os)
1390fa9e4066Sahrens {
1391fa9e4066Sahrens 	dmu_objset_stats_t dds;
1392fa9e4066Sahrens 	uint64_t object, object_count;
1393a2eea2e1Sahrens 	uint64_t refdbytes, usedobjs, scratch;
1394fa9e4066Sahrens 	char numbuf[8];
139514843421SMatthew Ahrens 	char blkbuf[BP_SPRINTF_LEN + 20];
1396fa9e4066Sahrens 	char osname[MAXNAMELEN];
1397fa9e4066Sahrens 	char *type = "UNKNOWN";
1398fa9e4066Sahrens 	int verbosity = dump_opt['d'];
1399fa9e4066Sahrens 	int print_header = 1;
1400fa9e4066Sahrens 	int i, error;
1401fa9e4066Sahrens 
1402a2eea2e1Sahrens 	dmu_objset_fast_stat(os, &dds);
1403fa9e4066Sahrens 
1404fa9e4066Sahrens 	if (dds.dds_type < DMU_OST_NUMTYPES)
1405fa9e4066Sahrens 		type = objset_types[dds.dds_type];
1406fa9e4066Sahrens 
1407fa9e4066Sahrens 	if (dds.dds_type == DMU_OST_META) {
1408fa9e4066Sahrens 		dds.dds_creation_txg = TXG_INITIAL;
1409503ad85cSMatthew Ahrens 		usedobjs = os->os_rootbp->blk_fill;
1410503ad85cSMatthew Ahrens 		refdbytes = os->os_spa->spa_dsl_pool->
141174e7dc98SMatthew Ahrens 		    dp_mos_dir->dd_phys->dd_used_bytes;
1412a2eea2e1Sahrens 	} else {
1413a2eea2e1Sahrens 		dmu_objset_space(os, &refdbytes, &scratch, &usedobjs, &scratch);
1414fa9e4066Sahrens 	}
1415fa9e4066Sahrens 
1416503ad85cSMatthew Ahrens 	ASSERT3U(usedobjs, ==, os->os_rootbp->blk_fill);
1417fa9e4066Sahrens 
1418a2eea2e1Sahrens 	nicenum(refdbytes, numbuf);
1419fa9e4066Sahrens 
1420fa9e4066Sahrens 	if (verbosity >= 4) {
1421e4161df6SVictor Latushkin 		(void) sprintf(blkbuf, ", rootbp ");
1422b24ab676SJeff Bonwick 		(void) sprintf_blkptr(blkbuf + strlen(blkbuf), os->os_rootbp);
1423fa9e4066Sahrens 	} else {
1424fa9e4066Sahrens 		blkbuf[0] = '\0';
1425fa9e4066Sahrens 	}
1426fa9e4066Sahrens 
1427fa9e4066Sahrens 	dmu_objset_name(os, osname);
1428fa9e4066Sahrens 
1429a2eea2e1Sahrens 	(void) printf("Dataset %s [%s], ID %llu, cr_txg %llu, "
1430fa9e4066Sahrens 	    "%s, %llu objects%s\n",
1431fa9e4066Sahrens 	    osname, type, (u_longlong_t)dmu_objset_id(os),
1432fa9e4066Sahrens 	    (u_longlong_t)dds.dds_creation_txg,
1433a2eea2e1Sahrens 	    numbuf, (u_longlong_t)usedobjs, blkbuf);
1434fa9e4066Sahrens 
1435b24ab676SJeff Bonwick 	if (zopt_objects != 0) {
1436b24ab676SJeff Bonwick 		for (i = 0; i < zopt_objects; i++)
1437b24ab676SJeff Bonwick 			dump_object(os, zopt_object[i], verbosity,
1438b24ab676SJeff Bonwick 			    &print_header);
1439b24ab676SJeff Bonwick 		(void) printf("\n");
1440b24ab676SJeff Bonwick 		return;
1441b24ab676SJeff Bonwick 	}
1442b24ab676SJeff Bonwick 
1443b24ab676SJeff Bonwick 	if (dump_opt['i'] != 0 || verbosity >= 2)
1444b24ab676SJeff Bonwick 		dump_intent_log(dmu_objset_zil(os));
1445fa9e4066Sahrens 
1446fa9e4066Sahrens 	if (dmu_objset_ds(os) != NULL)
1447fa9e4066Sahrens 		dump_bplist(dmu_objset_pool(os)->dp_meta_objset,
1448fa9e4066Sahrens 		    dmu_objset_ds(os)->ds_phys->ds_deadlist_obj, "Deadlist");
1449fa9e4066Sahrens 
1450fa9e4066Sahrens 	if (verbosity < 2)
1451fa9e4066Sahrens 		return;
1452fa9e4066Sahrens 
1453503ad85cSMatthew Ahrens 	if (os->os_rootbp->blk_birth == 0)
1454088f3894Sahrens 		return;
1455088f3894Sahrens 
1456fa9e4066Sahrens 	dump_object(os, 0, verbosity, &print_header);
145714843421SMatthew Ahrens 	object_count = 0;
1458503ad85cSMatthew Ahrens 	if (os->os_userused_dnode &&
1459503ad85cSMatthew Ahrens 	    os->os_userused_dnode->dn_type != 0) {
146014843421SMatthew Ahrens 		dump_object(os, DMU_USERUSED_OBJECT, verbosity, &print_header);
146114843421SMatthew Ahrens 		dump_object(os, DMU_GROUPUSED_OBJECT, verbosity, &print_header);
146214843421SMatthew Ahrens 	}
1463fa9e4066Sahrens 
1464fa9e4066Sahrens 	object = 0;
14656754306eSahrens 	while ((error = dmu_object_next(os, &object, B_FALSE, 0)) == 0) {
1466fa9e4066Sahrens 		dump_object(os, object, verbosity, &print_header);
1467fa9e4066Sahrens 		object_count++;
1468fa9e4066Sahrens 	}
1469fa9e4066Sahrens 
1470a2eea2e1Sahrens 	ASSERT3U(object_count, ==, usedobjs);
1471fa9e4066Sahrens 
1472fa9e4066Sahrens 	(void) printf("\n");
1473fa9e4066Sahrens 
1474ccba0801SRich Morris 	if (error != ESRCH) {
1475ccba0801SRich Morris 		(void) fprintf(stderr, "dmu_object_next() = %d\n", error);
1476ccba0801SRich Morris 		abort();
1477ccba0801SRich Morris 	}
1478fa9e4066Sahrens }
1479fa9e4066Sahrens 
1480fa9e4066Sahrens static void
148153b9a4a9SVictor Latushkin dump_uberblock(uberblock_t *ub, const char *header, const char *footer)
1482fa9e4066Sahrens {
1483fa9e4066Sahrens 	time_t timestamp = ub->ub_timestamp;
1484fa9e4066Sahrens 
148553b9a4a9SVictor Latushkin 	(void) printf(header ? header : "");
1486fa9e4066Sahrens 	(void) printf("\tmagic = %016llx\n", (u_longlong_t)ub->ub_magic);
1487fa9e4066Sahrens 	(void) printf("\tversion = %llu\n", (u_longlong_t)ub->ub_version);
1488fa9e4066Sahrens 	(void) printf("\ttxg = %llu\n", (u_longlong_t)ub->ub_txg);
1489fa9e4066Sahrens 	(void) printf("\tguid_sum = %llu\n", (u_longlong_t)ub->ub_guid_sum);
1490fa9e4066Sahrens 	(void) printf("\ttimestamp = %llu UTC = %s",
1491fa9e4066Sahrens 	    (u_longlong_t)ub->ub_timestamp, asctime(localtime(&timestamp)));
1492fa9e4066Sahrens 	if (dump_opt['u'] >= 3) {
1493fbabab8fSmaybee 		char blkbuf[BP_SPRINTF_LEN];
1494b24ab676SJeff Bonwick 		sprintf_blkptr(blkbuf, &ub->ub_rootbp);
1495fa9e4066Sahrens 		(void) printf("\trootbp = %s\n", blkbuf);
1496fa9e4066Sahrens 	}
149753b9a4a9SVictor Latushkin 	(void) printf(footer ? footer : "");
1498fa9e4066Sahrens }
1499fa9e4066Sahrens 
1500fa9e4066Sahrens static void
150107428bdfSVictor Latushkin dump_config(spa_t *spa)
1502fa9e4066Sahrens {
150307428bdfSVictor Latushkin 	dmu_buf_t *db;
150407428bdfSVictor Latushkin 	size_t nvsize = 0;
150507428bdfSVictor Latushkin 	int error = 0;
150607428bdfSVictor Latushkin 
1507fa9e4066Sahrens 
150807428bdfSVictor Latushkin 	error = dmu_bonus_hold(spa->spa_meta_objset,
150907428bdfSVictor Latushkin 	    spa->spa_config_object, FTAG, &db);
151007428bdfSVictor Latushkin 
151107428bdfSVictor Latushkin 	if (error == 0) {
151207428bdfSVictor Latushkin 		nvsize = *(uint64_t *)db->db_data;
151307428bdfSVictor Latushkin 		dmu_buf_rele(db, FTAG);
151407428bdfSVictor Latushkin 
151507428bdfSVictor Latushkin 		(void) printf("\nMOS Configuration:\n");
151607428bdfSVictor Latushkin 		dump_packed_nvlist(spa->spa_meta_objset,
151707428bdfSVictor Latushkin 		    spa->spa_config_object, (void *)&nvsize, 1);
151807428bdfSVictor Latushkin 	} else {
151907428bdfSVictor Latushkin 		(void) fprintf(stderr, "dmu_bonus_hold(%llu) failed, errno %d",
152007428bdfSVictor Latushkin 		    (u_longlong_t)spa->spa_config_object, error);
1521fa9e4066Sahrens 	}
1522fa9e4066Sahrens }
1523fa9e4066Sahrens 
1524c5904d13Seschrock static void
1525c5904d13Seschrock dump_cachefile(const char *cachefile)
1526c5904d13Seschrock {
1527c5904d13Seschrock 	int fd;
1528c5904d13Seschrock 	struct stat64 statbuf;
1529c5904d13Seschrock 	char *buf;
1530c5904d13Seschrock 	nvlist_t *config;
1531c5904d13Seschrock 
1532c5904d13Seschrock 	if ((fd = open64(cachefile, O_RDONLY)) < 0) {
1533c5904d13Seschrock 		(void) printf("cannot open '%s': %s\n", cachefile,
1534c5904d13Seschrock 		    strerror(errno));
1535c5904d13Seschrock 		exit(1);
1536c5904d13Seschrock 	}
1537c5904d13Seschrock 
1538c5904d13Seschrock 	if (fstat64(fd, &statbuf) != 0) {
1539c5904d13Seschrock 		(void) printf("failed to stat '%s': %s\n", cachefile,
1540c5904d13Seschrock 		    strerror(errno));
1541c5904d13Seschrock 		exit(1);
1542c5904d13Seschrock 	}
1543c5904d13Seschrock 
1544c5904d13Seschrock 	if ((buf = malloc(statbuf.st_size)) == NULL) {
1545c5904d13Seschrock 		(void) fprintf(stderr, "failed to allocate %llu bytes\n",
1546c5904d13Seschrock 		    (u_longlong_t)statbuf.st_size);
1547c5904d13Seschrock 		exit(1);
1548c5904d13Seschrock 	}
1549c5904d13Seschrock 
1550c5904d13Seschrock 	if (read(fd, buf, statbuf.st_size) != statbuf.st_size) {
1551c5904d13Seschrock 		(void) fprintf(stderr, "failed to read %llu bytes\n",
1552c5904d13Seschrock 		    (u_longlong_t)statbuf.st_size);
1553c5904d13Seschrock 		exit(1);
1554c5904d13Seschrock 	}
1555c5904d13Seschrock 
1556c5904d13Seschrock 	(void) close(fd);
1557c5904d13Seschrock 
1558c5904d13Seschrock 	if (nvlist_unpack(buf, statbuf.st_size, &config, 0) != 0) {
1559c5904d13Seschrock 		(void) fprintf(stderr, "failed to unpack nvlist\n");
1560c5904d13Seschrock 		exit(1);
1561c5904d13Seschrock 	}
1562c5904d13Seschrock 
1563c5904d13Seschrock 	free(buf);
1564c5904d13Seschrock 
1565c5904d13Seschrock 	dump_nvlist(config, 0);
1566c5904d13Seschrock 
1567c5904d13Seschrock 	nvlist_free(config);
1568c5904d13Seschrock }
1569c5904d13Seschrock 
157053b9a4a9SVictor Latushkin #define	ZDB_MAX_UB_HEADER_SIZE 32
157153b9a4a9SVictor Latushkin 
157253b9a4a9SVictor Latushkin static void
157353b9a4a9SVictor Latushkin dump_label_uberblocks(vdev_label_t *lbl, uint64_t ashift)
157453b9a4a9SVictor Latushkin {
157553b9a4a9SVictor Latushkin 	vdev_t vd;
157653b9a4a9SVictor Latushkin 	vdev_t *vdp = &vd;
157753b9a4a9SVictor Latushkin 	char header[ZDB_MAX_UB_HEADER_SIZE];
157853b9a4a9SVictor Latushkin 
157953b9a4a9SVictor Latushkin 	vd.vdev_ashift = ashift;
158053b9a4a9SVictor Latushkin 	vdp->vdev_top = vdp;
158153b9a4a9SVictor Latushkin 
158253b9a4a9SVictor Latushkin 	for (int i = 0; i < VDEV_UBERBLOCK_COUNT(vdp); i++) {
158353b9a4a9SVictor Latushkin 		uint64_t uoff = VDEV_UBERBLOCK_OFFSET(vdp, i);
158453b9a4a9SVictor Latushkin 		uberblock_t *ub = (void *)((char *)lbl + uoff);
158553b9a4a9SVictor Latushkin 
158653b9a4a9SVictor Latushkin 		if (uberblock_verify(ub))
158753b9a4a9SVictor Latushkin 			continue;
158853b9a4a9SVictor Latushkin 		(void) snprintf(header, ZDB_MAX_UB_HEADER_SIZE,
158953b9a4a9SVictor Latushkin 		    "Uberblock[%d]\n", i);
159053b9a4a9SVictor Latushkin 		dump_uberblock(ub, header, "");
159153b9a4a9SVictor Latushkin 	}
159253b9a4a9SVictor Latushkin }
159353b9a4a9SVictor Latushkin 
1594fa9e4066Sahrens static void
1595fa9e4066Sahrens dump_label(const char *dev)
1596fa9e4066Sahrens {
1597fa9e4066Sahrens 	int fd;
1598fa9e4066Sahrens 	vdev_label_t label;
1599fa9e4066Sahrens 	char *buf = label.vl_vdev_phys.vp_nvlist;
1600fa9e4066Sahrens 	size_t buflen = sizeof (label.vl_vdev_phys.vp_nvlist);
1601fa9e4066Sahrens 	struct stat64 statbuf;
160253b9a4a9SVictor Latushkin 	uint64_t psize, ashift;
1603fa9e4066Sahrens 
16040d981225Seschrock 	if ((fd = open64(dev, O_RDONLY)) < 0) {
1605fa9e4066Sahrens 		(void) printf("cannot open '%s': %s\n", dev, strerror(errno));
1606fa9e4066Sahrens 		exit(1);
1607fa9e4066Sahrens 	}
1608fa9e4066Sahrens 
1609fa9e4066Sahrens 	if (fstat64(fd, &statbuf) != 0) {
1610fa9e4066Sahrens 		(void) printf("failed to stat '%s': %s\n", dev,
1611fa9e4066Sahrens 		    strerror(errno));
1612fa9e4066Sahrens 	}
1613fa9e4066Sahrens 
1614fa9e4066Sahrens 	psize = statbuf.st_size;
1615fa9e4066Sahrens 	psize = P2ALIGN(psize, (uint64_t)sizeof (vdev_label_t));
1616fa9e4066Sahrens 
161753b9a4a9SVictor Latushkin 	for (int l = 0; l < VDEV_LABELS; l++) {
1618fa9e4066Sahrens 		nvlist_t *config = NULL;
1619fa9e4066Sahrens 
1620fa9e4066Sahrens 		(void) printf("--------------------------------------------\n");
1621fa9e4066Sahrens 		(void) printf("LABEL %d\n", l);
1622fa9e4066Sahrens 		(void) printf("--------------------------------------------\n");
1623fa9e4066Sahrens 
16240d981225Seschrock 		if (pread64(fd, &label, sizeof (label),
1625fa9e4066Sahrens 		    vdev_label_offset(psize, l, 0)) != sizeof (label)) {
1626fa9e4066Sahrens 			(void) printf("failed to read label %d\n", l);
1627fa9e4066Sahrens 			continue;
1628fa9e4066Sahrens 		}
1629fa9e4066Sahrens 
1630fa9e4066Sahrens 		if (nvlist_unpack(buf, buflen, &config, 0) != 0) {
1631fa9e4066Sahrens 			(void) printf("failed to unpack label %d\n", l);
163253b9a4a9SVictor Latushkin 			ashift = SPA_MINBLOCKSHIFT;
163353b9a4a9SVictor Latushkin 		} else {
163453b9a4a9SVictor Latushkin 			nvlist_t *vdev_tree = NULL;
163553b9a4a9SVictor Latushkin 
163653b9a4a9SVictor Latushkin 			dump_nvlist(config, 4);
163753b9a4a9SVictor Latushkin 			if ((nvlist_lookup_nvlist(config,
163853b9a4a9SVictor Latushkin 			    ZPOOL_CONFIG_VDEV_TREE, &vdev_tree) != 0) ||
163953b9a4a9SVictor Latushkin 			    (nvlist_lookup_uint64(vdev_tree,
164053b9a4a9SVictor Latushkin 			    ZPOOL_CONFIG_ASHIFT, &ashift) != 0))
164153b9a4a9SVictor Latushkin 				ashift = SPA_MINBLOCKSHIFT;
164253b9a4a9SVictor Latushkin 			nvlist_free(config);
1643fa9e4066Sahrens 		}
164453b9a4a9SVictor Latushkin 		if (dump_opt['u'])
164553b9a4a9SVictor Latushkin 			dump_label_uberblocks(&label, ashift);
1646fa9e4066Sahrens 	}
1647fa9e4066Sahrens }
1648fa9e4066Sahrens 
1649fa9e4066Sahrens /*ARGSUSED*/
16501d452cf5Sahrens static int
1651fd136879SMatthew Ahrens dump_one_dir(const char *dsname, void *arg)
1652fa9e4066Sahrens {
1653fa9e4066Sahrens 	int error;
1654fa9e4066Sahrens 	objset_t *os;
1655fa9e4066Sahrens 
1656503ad85cSMatthew Ahrens 	error = dmu_objset_own(dsname, DMU_OST_ANY, B_TRUE, FTAG, &os);
1657fa9e4066Sahrens 	if (error) {
1658b24ab676SJeff Bonwick 		(void) printf("Could not open %s, error %d\n", dsname, error);
16591d452cf5Sahrens 		return (0);
1660fa9e4066Sahrens 	}
1661fa9e4066Sahrens 	dump_dir(os);
1662503ad85cSMatthew Ahrens 	dmu_objset_disown(os, FTAG);
1663e0d35c44Smarks 	fuid_table_destroy();
16641d452cf5Sahrens 	return (0);
1665fa9e4066Sahrens }
1666fa9e4066Sahrens 
1667fa9e4066Sahrens /*
1668b24ab676SJeff Bonwick  * Block statistics.
1669fa9e4066Sahrens  */
1670fa9e4066Sahrens typedef struct zdb_blkstats {
1671fa9e4066Sahrens 	uint64_t	zb_asize;
1672fa9e4066Sahrens 	uint64_t	zb_lsize;
1673fa9e4066Sahrens 	uint64_t	zb_psize;
1674fa9e4066Sahrens 	uint64_t	zb_count;
1675fa9e4066Sahrens } zdb_blkstats_t;
1676fa9e4066Sahrens 
1677b24ab676SJeff Bonwick /*
1678b24ab676SJeff Bonwick  * Extended object types to report deferred frees and dedup auto-ditto blocks.
1679b24ab676SJeff Bonwick  */
1680b24ab676SJeff Bonwick #define	ZDB_OT_DEFERRED	(DMU_OT_NUMTYPES + 0)
1681b24ab676SJeff Bonwick #define	ZDB_OT_DITTO	(DMU_OT_NUMTYPES + 1)
1682b24ab676SJeff Bonwick #define	ZDB_OT_TOTAL	(DMU_OT_NUMTYPES + 2)
1683b24ab676SJeff Bonwick 
1684b24ab676SJeff Bonwick static char *zdb_ot_extname[] = {
1685b24ab676SJeff Bonwick 	"deferred free",
1686b24ab676SJeff Bonwick 	"dedup ditto",
1687b24ab676SJeff Bonwick 	"Total",
1688b24ab676SJeff Bonwick };
1689fa9e4066Sahrens 
169088b7b0f2SMatthew Ahrens #define	ZB_TOTAL	DN_MAX_LEVELS
1691fa9e4066Sahrens 
1692fa9e4066Sahrens typedef struct zdb_cb {
1693b24ab676SJeff Bonwick 	zdb_blkstats_t	zcb_type[ZB_TOTAL + 1][ZDB_OT_TOTAL + 1];
1694b24ab676SJeff Bonwick 	uint64_t	zcb_dedup_asize;
1695b24ab676SJeff Bonwick 	uint64_t	zcb_dedup_blocks;
1696fa9e4066Sahrens 	uint64_t	zcb_errors[256];
1697fa9e4066Sahrens 	int		zcb_readfails;
1698fa9e4066Sahrens 	int		zcb_haderrors;
1699fa9e4066Sahrens } zdb_cb_t;
1700fa9e4066Sahrens 
1701fa9e4066Sahrens static void
1702b24ab676SJeff Bonwick zdb_count_block(spa_t *spa, zilog_t *zilog, zdb_cb_t *zcb, const blkptr_t *bp,
1703b24ab676SJeff Bonwick     dmu_object_type_t type)
1704fa9e4066Sahrens {
1705b24ab676SJeff Bonwick 	uint64_t refcnt = 0;
1706b24ab676SJeff Bonwick 
1707b24ab676SJeff Bonwick 	ASSERT(type < ZDB_OT_TOTAL);
1708b24ab676SJeff Bonwick 
1709b24ab676SJeff Bonwick 	if (zilog && zil_bp_tree_add(zilog, bp) != 0)
1710b24ab676SJeff Bonwick 		return;
1711b24ab676SJeff Bonwick 
1712e14bb325SJeff Bonwick 	for (int i = 0; i < 4; i++) {
1713fa9e4066Sahrens 		int l = (i < 2) ? BP_GET_LEVEL(bp) : ZB_TOTAL;
1714b24ab676SJeff Bonwick 		int t = (i & 1) ? type : ZDB_OT_TOTAL;
1715fa9e4066Sahrens 		zdb_blkstats_t *zb = &zcb->zcb_type[l][t];
1716fa9e4066Sahrens 
1717fa9e4066Sahrens 		zb->zb_asize += BP_GET_ASIZE(bp);
1718fa9e4066Sahrens 		zb->zb_lsize += BP_GET_LSIZE(bp);
1719fa9e4066Sahrens 		zb->zb_psize += BP_GET_PSIZE(bp);
1720fa9e4066Sahrens 		zb->zb_count++;
1721fa9e4066Sahrens 	}
1722fa9e4066Sahrens 
1723b24ab676SJeff Bonwick 	if (dump_opt['L'])
1724b24ab676SJeff Bonwick 		return;
1725b24ab676SJeff Bonwick 
1726b24ab676SJeff Bonwick 	if (BP_GET_DEDUP(bp)) {
1727b24ab676SJeff Bonwick 		ddt_t *ddt;
1728b24ab676SJeff Bonwick 		ddt_entry_t *dde;
1729b24ab676SJeff Bonwick 
1730b24ab676SJeff Bonwick 		ddt = ddt_select(spa, bp);
1731b24ab676SJeff Bonwick 		ddt_enter(ddt);
1732b24ab676SJeff Bonwick 		dde = ddt_lookup(ddt, bp, B_FALSE);
1733b24ab676SJeff Bonwick 
1734b24ab676SJeff Bonwick 		if (dde == NULL) {
1735b24ab676SJeff Bonwick 			refcnt = 0;
1736b24ab676SJeff Bonwick 		} else {
1737b24ab676SJeff Bonwick 			ddt_phys_t *ddp = ddt_phys_select(dde, bp);
1738b24ab676SJeff Bonwick 			ddt_phys_decref(ddp);
1739b24ab676SJeff Bonwick 			refcnt = ddp->ddp_refcnt;
1740b24ab676SJeff Bonwick 			if (ddt_phys_total_refcnt(dde) == 0)
1741b24ab676SJeff Bonwick 				ddt_remove(ddt, dde);
1742d41e7643Sek 		}
1743b24ab676SJeff Bonwick 		ddt_exit(ddt);
1744d41e7643Sek 	}
1745d41e7643Sek 
1746b24ab676SJeff Bonwick 	VERIFY3U(zio_wait(zio_claim(NULL, spa,
1747b24ab676SJeff Bonwick 	    refcnt ? 0 : spa_first_txg(spa),
1748b24ab676SJeff Bonwick 	    bp, NULL, NULL, ZIO_FLAG_CANFAIL)), ==, 0);
1749fa9e4066Sahrens }
1750fa9e4066Sahrens 
1751fa9e4066Sahrens static int
1752b24ab676SJeff Bonwick zdb_blkptr_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp,
1753b24ab676SJeff Bonwick     const zbookmark_t *zb, const dnode_phys_t *dnp, void *arg)
1754fa9e4066Sahrens {
1755fa9e4066Sahrens 	zdb_cb_t *zcb = arg;
1756fbabab8fSmaybee 	char blkbuf[BP_SPRINTF_LEN];
17576365109dSVictor Latushkin 	dmu_object_type_t type;
1758468c413aSTim Haley 	boolean_t is_metadata;
1759fa9e4066Sahrens 
176088b7b0f2SMatthew Ahrens 	if (bp == NULL)
176188b7b0f2SMatthew Ahrens 		return (0);
1762e14bb325SJeff Bonwick 
17636365109dSVictor Latushkin 	type = BP_GET_TYPE(bp);
1764e14bb325SJeff Bonwick 
1765b24ab676SJeff Bonwick 	zdb_count_block(spa, zilog, zcb, bp, type);
17666365109dSVictor Latushkin 
1767468c413aSTim Haley 	is_metadata = (BP_GET_LEVEL(bp) != 0 || dmu_ot[type].ot_metadata);
17686365109dSVictor Latushkin 
1769b24ab676SJeff Bonwick 	if (dump_opt['c'] > 1 || (dump_opt['c'] && is_metadata)) {
1770b24ab676SJeff Bonwick 		int ioerr;
1771468c413aSTim Haley 		size_t size = BP_GET_PSIZE(bp);
1772468c413aSTim Haley 		void *data = malloc(size);
1773b24ab676SJeff Bonwick 		int flags = ZIO_FLAG_CANFAIL | ZIO_FLAG_SCRUB | ZIO_FLAG_RAW;
1774b24ab676SJeff Bonwick 
1775b24ab676SJeff Bonwick 		/* If it's an intent log block, failure is expected. */
1776b24ab676SJeff Bonwick 		if (zb->zb_level == ZB_ZIL_LEVEL)
1777b24ab676SJeff Bonwick 			flags |= ZIO_FLAG_SPECULATIVE;
1778b24ab676SJeff Bonwick 
1779b24ab676SJeff Bonwick 		ioerr = zio_wait(zio_read(NULL, spa, bp, data, size,
1780b24ab676SJeff Bonwick 		    NULL, NULL, ZIO_PRIORITY_ASYNC_READ, flags, zb));
1781b24ab676SJeff Bonwick 
178288b7b0f2SMatthew Ahrens 		free(data);
178388b7b0f2SMatthew Ahrens 
1784b24ab676SJeff Bonwick 		if (ioerr && !(flags & ZIO_FLAG_SPECULATIVE)) {
1785fa9e4066Sahrens 			zcb->zcb_haderrors = 1;
178688b7b0f2SMatthew Ahrens 			zcb->zcb_errors[ioerr]++;
1787fa9e4066Sahrens 
178888b7b0f2SMatthew Ahrens 			if (dump_opt['b'] >= 2)
1789b24ab676SJeff Bonwick 				sprintf_blkptr(blkbuf, bp);
179088b7b0f2SMatthew Ahrens 			else
179188b7b0f2SMatthew Ahrens 				blkbuf[0] = '\0';
179288b7b0f2SMatthew Ahrens 
1793b24ab676SJeff Bonwick 			(void) printf("zdb_blkptr_cb: "
1794b24ab676SJeff Bonwick 			    "Got error %d reading "
1795b24ab676SJeff Bonwick 			    "<%llu, %llu, %lld, %llx> %s -- skipping\n",
1796b24ab676SJeff Bonwick 			    ioerr,
1797b24ab676SJeff Bonwick 			    (u_longlong_t)zb->zb_objset,
1798b24ab676SJeff Bonwick 			    (u_longlong_t)zb->zb_object,
1799b24ab676SJeff Bonwick 			    (u_longlong_t)zb->zb_level,
1800b24ab676SJeff Bonwick 			    (u_longlong_t)zb->zb_blkid,
1801b24ab676SJeff Bonwick 			    blkbuf);
1802d41e7643Sek 		}
1803fa9e4066Sahrens 	}
1804fa9e4066Sahrens 
1805fa9e4066Sahrens 	zcb->zcb_readfails = 0;
1806fa9e4066Sahrens 
1807fa9e4066Sahrens 	if (dump_opt['b'] >= 4) {
1808b24ab676SJeff Bonwick 		sprintf_blkptr(blkbuf, bp);
1809b24ab676SJeff Bonwick 		(void) printf("objset %llu object %llu "
1810b24ab676SJeff Bonwick 		    "level %lld offset 0x%llx %s\n",
1811fa9e4066Sahrens 		    (u_longlong_t)zb->zb_objset,
1812fa9e4066Sahrens 		    (u_longlong_t)zb->zb_object,
1813b24ab676SJeff Bonwick 		    (longlong_t)zb->zb_level,
1814b24ab676SJeff Bonwick 		    (u_longlong_t)blkid2offset(dnp, bp, zb),
181588b7b0f2SMatthew Ahrens 		    blkbuf);
1816fa9e4066Sahrens 	}
1817fa9e4066Sahrens 
1818fa9e4066Sahrens 	return (0);
1819fa9e4066Sahrens }
1820fa9e4066Sahrens 
1821b24ab676SJeff Bonwick static void
1822b24ab676SJeff Bonwick zdb_leak(space_map_t *sm, uint64_t start, uint64_t size)
1823b24ab676SJeff Bonwick {
1824b24ab676SJeff Bonwick 	vdev_t *vd = sm->sm_ppd;
1825b24ab676SJeff Bonwick 
1826b24ab676SJeff Bonwick 	(void) printf("leaked space: vdev %llu, offset 0x%llx, size %llu\n",
1827b24ab676SJeff Bonwick 	    (u_longlong_t)vd->vdev_id, (u_longlong_t)start, (u_longlong_t)size);
1828b24ab676SJeff Bonwick }
1829b24ab676SJeff Bonwick 
1830b24ab676SJeff Bonwick /* ARGSUSED */
1831b24ab676SJeff Bonwick static void
1832b24ab676SJeff Bonwick zdb_space_map_load(space_map_t *sm)
1833b24ab676SJeff Bonwick {
1834b24ab676SJeff Bonwick }
1835b24ab676SJeff Bonwick 
1836b24ab676SJeff Bonwick static void
1837b24ab676SJeff Bonwick zdb_space_map_unload(space_map_t *sm)
1838b24ab676SJeff Bonwick {
1839b24ab676SJeff Bonwick 	space_map_vacate(sm, zdb_leak, sm);
1840b24ab676SJeff Bonwick }
1841b24ab676SJeff Bonwick 
1842b24ab676SJeff Bonwick /* ARGSUSED */
1843b24ab676SJeff Bonwick static void
1844b24ab676SJeff Bonwick zdb_space_map_claim(space_map_t *sm, uint64_t start, uint64_t size)
1845b24ab676SJeff Bonwick {
1846b24ab676SJeff Bonwick }
1847b24ab676SJeff Bonwick 
1848b24ab676SJeff Bonwick static space_map_ops_t zdb_space_map_ops = {
1849b24ab676SJeff Bonwick 	zdb_space_map_load,
1850b24ab676SJeff Bonwick 	zdb_space_map_unload,
1851b24ab676SJeff Bonwick 	NULL,	/* alloc */
1852b24ab676SJeff Bonwick 	zdb_space_map_claim,
1853b24ab676SJeff Bonwick 	NULL,	/* free */
1854b24ab676SJeff Bonwick 	NULL	/* maxsize */
1855b24ab676SJeff Bonwick };
1856b24ab676SJeff Bonwick 
1857b24ab676SJeff Bonwick static void
1858bbfd46c4SJeff Bonwick zdb_ddt_leak_init(spa_t *spa, zdb_cb_t *zcb)
1859b24ab676SJeff Bonwick {
1860bbfd46c4SJeff Bonwick 	ddt_bookmark_t ddb = { 0 };
1861b24ab676SJeff Bonwick 	ddt_entry_t dde;
1862b24ab676SJeff Bonwick 	int error;
1863b24ab676SJeff Bonwick 
1864bbfd46c4SJeff Bonwick 	while ((error = ddt_walk(spa, &ddb, &dde)) == 0) {
1865b24ab676SJeff Bonwick 		blkptr_t blk;
1866b24ab676SJeff Bonwick 		ddt_phys_t *ddp = dde.dde_phys;
1867bbfd46c4SJeff Bonwick 
1868bbfd46c4SJeff Bonwick 		if (ddb.ddb_class == DDT_CLASS_UNIQUE)
1869bbfd46c4SJeff Bonwick 			return;
1870bbfd46c4SJeff Bonwick 
1871b24ab676SJeff Bonwick 		ASSERT(ddt_phys_total_refcnt(&dde) > 1);
1872bbfd46c4SJeff Bonwick 
1873b24ab676SJeff Bonwick 		for (int p = 0; p < DDT_PHYS_TYPES; p++, ddp++) {
1874b24ab676SJeff Bonwick 			if (ddp->ddp_phys_birth == 0)
1875b24ab676SJeff Bonwick 				continue;
1876bbfd46c4SJeff Bonwick 			ddt_bp_create(ddb.ddb_checksum,
1877bbfd46c4SJeff Bonwick 			    &dde.dde_key, ddp, &blk);
1878b24ab676SJeff Bonwick 			if (p == DDT_PHYS_DITTO) {
1879bbfd46c4SJeff Bonwick 				zdb_count_block(spa, NULL, zcb, &blk,
1880b24ab676SJeff Bonwick 				    ZDB_OT_DITTO);
1881b24ab676SJeff Bonwick 			} else {
1882b24ab676SJeff Bonwick 				zcb->zcb_dedup_asize +=
1883b24ab676SJeff Bonwick 				    BP_GET_ASIZE(&blk) * (ddp->ddp_refcnt - 1);
1884b24ab676SJeff Bonwick 				zcb->zcb_dedup_blocks++;
1885b24ab676SJeff Bonwick 			}
1886b24ab676SJeff Bonwick 		}
1887b24ab676SJeff Bonwick 		if (!dump_opt['L']) {
1888bbfd46c4SJeff Bonwick 			ddt_t *ddt = spa->spa_ddt[ddb.ddb_checksum];
1889b24ab676SJeff Bonwick 			ddt_enter(ddt);
1890b24ab676SJeff Bonwick 			VERIFY(ddt_lookup(ddt, &blk, B_TRUE) != NULL);
1891b24ab676SJeff Bonwick 			ddt_exit(ddt);
1892b24ab676SJeff Bonwick 		}
1893b24ab676SJeff Bonwick 	}
1894b24ab676SJeff Bonwick 
1895b24ab676SJeff Bonwick 	ASSERT(error == ENOENT);
1896b24ab676SJeff Bonwick }
1897b24ab676SJeff Bonwick 
1898b24ab676SJeff Bonwick static void
1899b24ab676SJeff Bonwick zdb_leak_init(spa_t *spa, zdb_cb_t *zcb)
1900b24ab676SJeff Bonwick {
1901b24ab676SJeff Bonwick 	if (!dump_opt['L']) {
1902b24ab676SJeff Bonwick 		vdev_t *rvd = spa->spa_root_vdev;
1903b24ab676SJeff Bonwick 		for (int c = 0; c < rvd->vdev_children; c++) {
1904b24ab676SJeff Bonwick 			vdev_t *vd = rvd->vdev_child[c];
1905b24ab676SJeff Bonwick 			for (int m = 0; m < vd->vdev_ms_count; m++) {
1906b24ab676SJeff Bonwick 				metaslab_t *msp = vd->vdev_ms[m];
1907b24ab676SJeff Bonwick 				mutex_enter(&msp->ms_lock);
1908b24ab676SJeff Bonwick 				space_map_unload(&msp->ms_map);
1909b24ab676SJeff Bonwick 				VERIFY(space_map_load(&msp->ms_map,
1910b24ab676SJeff Bonwick 				    &zdb_space_map_ops, SM_ALLOC, &msp->ms_smo,
1911b24ab676SJeff Bonwick 				    spa->spa_meta_objset) == 0);
1912b24ab676SJeff Bonwick 				msp->ms_map.sm_ppd = vd;
1913b24ab676SJeff Bonwick 				mutex_exit(&msp->ms_lock);
1914b24ab676SJeff Bonwick 			}
1915b24ab676SJeff Bonwick 		}
1916b24ab676SJeff Bonwick 	}
1917b24ab676SJeff Bonwick 
1918b24ab676SJeff Bonwick 	spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER);
1919b24ab676SJeff Bonwick 
1920bbfd46c4SJeff Bonwick 	zdb_ddt_leak_init(spa, zcb);
1921b24ab676SJeff Bonwick 
1922b24ab676SJeff Bonwick 	spa_config_exit(spa, SCL_CONFIG, FTAG);
1923b24ab676SJeff Bonwick }
1924b24ab676SJeff Bonwick 
1925b24ab676SJeff Bonwick static void
1926b24ab676SJeff Bonwick zdb_leak_fini(spa_t *spa)
1927b24ab676SJeff Bonwick {
1928b24ab676SJeff Bonwick 	if (!dump_opt['L']) {
1929b24ab676SJeff Bonwick 		vdev_t *rvd = spa->spa_root_vdev;
1930b24ab676SJeff Bonwick 		for (int c = 0; c < rvd->vdev_children; c++) {
1931b24ab676SJeff Bonwick 			vdev_t *vd = rvd->vdev_child[c];
1932b24ab676SJeff Bonwick 			for (int m = 0; m < vd->vdev_ms_count; m++) {
1933b24ab676SJeff Bonwick 				metaslab_t *msp = vd->vdev_ms[m];
1934b24ab676SJeff Bonwick 				mutex_enter(&msp->ms_lock);
1935b24ab676SJeff Bonwick 				space_map_unload(&msp->ms_map);
1936b24ab676SJeff Bonwick 				mutex_exit(&msp->ms_lock);
1937b24ab676SJeff Bonwick 			}
1938b24ab676SJeff Bonwick 		}
1939b24ab676SJeff Bonwick 	}
1940b24ab676SJeff Bonwick }
1941b24ab676SJeff Bonwick 
1942fa9e4066Sahrens static int
1943fa9e4066Sahrens dump_block_stats(spa_t *spa)
1944fa9e4066Sahrens {
1945fa9e4066Sahrens 	zdb_cb_t zcb = { 0 };
1946fa9e4066Sahrens 	zdb_blkstats_t *zb, *tzb;
1947b24ab676SJeff Bonwick 	uint64_t norm_alloc, norm_space, total_alloc, total_found;
1948cd088ea4SVictor Latushkin 	int flags = TRAVERSE_PRE | TRAVERSE_PREFETCH_METADATA | TRAVERSE_HARD;
1949fa9e4066Sahrens 	int leaks = 0;
1950fa9e4066Sahrens 
1951b24ab676SJeff Bonwick 	(void) printf("\nTraversing all blocks %s%s%s%s%s...\n",
1952b24ab676SJeff Bonwick 	    (dump_opt['c'] || !dump_opt['L']) ? "to verify " : "",
1953b24ab676SJeff Bonwick 	    (dump_opt['c'] == 1) ? "metadata " : "",
1954b24ab676SJeff Bonwick 	    dump_opt['c'] ? "checksums " : "",
1955b24ab676SJeff Bonwick 	    (dump_opt['c'] && !dump_opt['L']) ? "and verify " : "",
1956b24ab676SJeff Bonwick 	    !dump_opt['L'] ? "nothing leaked " : "");
1957fa9e4066Sahrens 
1958fa9e4066Sahrens 	/*
1959e14bb325SJeff Bonwick 	 * Load all space maps as SM_ALLOC maps, then traverse the pool
1960e14bb325SJeff Bonwick 	 * claiming each block we discover.  If the pool is perfectly
1961e14bb325SJeff Bonwick 	 * consistent, the space maps will be empty when we're done.
1962e14bb325SJeff Bonwick 	 * Anything left over is a leak; any block we can't claim (because
1963e14bb325SJeff Bonwick 	 * it's not part of any space map) is a double allocation,
1964e14bb325SJeff Bonwick 	 * reference to a freed block, or an unclaimed log block.
1965fa9e4066Sahrens 	 */
1966b24ab676SJeff Bonwick 	zdb_leak_init(spa, &zcb);
1967fa9e4066Sahrens 
1968fa9e4066Sahrens 	/*
1969fa9e4066Sahrens 	 * If there's a deferred-free bplist, process that first.
1970fa9e4066Sahrens 	 */
1971b24ab676SJeff Bonwick 	if (spa->spa_deferred_bplist_obj != 0) {
1972b24ab676SJeff Bonwick 		bplist_t *bpl = &spa->spa_deferred_bplist;
1973fa9e4066Sahrens 		blkptr_t blk;
1974fa9e4066Sahrens 		uint64_t itor = 0;
1975fa9e4066Sahrens 
1976ea8dc4b6Seschrock 		VERIFY(0 == bplist_open(bpl, spa->spa_meta_objset,
1977b24ab676SJeff Bonwick 		    spa->spa_deferred_bplist_obj));
1978fa9e4066Sahrens 
1979fa9e4066Sahrens 		while (bplist_iterate(bpl, &itor, &blk) == 0) {
1980fa9e4066Sahrens 			if (dump_opt['b'] >= 4) {
1981fbabab8fSmaybee 				char blkbuf[BP_SPRINTF_LEN];
1982b24ab676SJeff Bonwick 				sprintf_blkptr(blkbuf, &blk);
1983fa9e4066Sahrens 				(void) printf("[%s] %s\n",
1984fa9e4066Sahrens 				    "deferred free", blkbuf);
1985fa9e4066Sahrens 			}
1986b24ab676SJeff Bonwick 			zdb_count_block(spa, NULL, &zcb, &blk, ZDB_OT_DEFERRED);
1987fa9e4066Sahrens 		}
1988fa9e4066Sahrens 
1989fa9e4066Sahrens 		bplist_close(bpl);
1990fa9e4066Sahrens 	}
1991fa9e4066Sahrens 
1992bbfd46c4SJeff Bonwick 	if (dump_opt['c'] > 1)
1993bbfd46c4SJeff Bonwick 		flags |= TRAVERSE_PREFETCH_DATA;
1994bbfd46c4SJeff Bonwick 
1995bbfd46c4SJeff Bonwick 	zcb.zcb_haderrors |= traverse_pool(spa, 0, flags, zdb_blkptr_cb, &zcb);
1996fa9e4066Sahrens 
1997b24ab676SJeff Bonwick 	if (zcb.zcb_haderrors) {
1998fa9e4066Sahrens 		(void) printf("\nError counts:\n\n");
1999fa9e4066Sahrens 		(void) printf("\t%5s  %s\n", "errno", "count");
2000b24ab676SJeff Bonwick 		for (int e = 0; e < 256; e++) {
2001fa9e4066Sahrens 			if (zcb.zcb_errors[e] != 0) {
2002fa9e4066Sahrens 				(void) printf("\t%5d  %llu\n",
2003fa9e4066Sahrens 				    e, (u_longlong_t)zcb.zcb_errors[e]);
2004fa9e4066Sahrens 			}
2005fa9e4066Sahrens 		}
2006fa9e4066Sahrens 	}
2007fa9e4066Sahrens 
2008fa9e4066Sahrens 	/*
2009fa9e4066Sahrens 	 * Report any leaked segments.
2010fa9e4066Sahrens 	 */
2011b24ab676SJeff Bonwick 	zdb_leak_fini(spa);
2012fa9e4066Sahrens 
2013b24ab676SJeff Bonwick 	tzb = &zcb.zcb_type[ZB_TOTAL][ZDB_OT_TOTAL];
20148654d025Sperrin 
2015b24ab676SJeff Bonwick 	norm_alloc = metaslab_class_get_alloc(spa_normal_class(spa));
2016b24ab676SJeff Bonwick 	norm_space = metaslab_class_get_space(spa_normal_class(spa));
20178654d025Sperrin 
2018b24ab676SJeff Bonwick 	total_alloc = norm_alloc + metaslab_class_get_alloc(spa_log_class(spa));
2019b24ab676SJeff Bonwick 	total_found = tzb->zb_asize - zcb.zcb_dedup_asize;
2020fa9e4066Sahrens 
2021b24ab676SJeff Bonwick 	if (total_found == total_alloc) {
202282a0a985SVictor Latushkin 		if (!dump_opt['L'])
202382a0a985SVictor Latushkin 			(void) printf("\n\tNo leaks (block sum matches space"
202482a0a985SVictor Latushkin 			    " maps exactly)\n");
2025fa9e4066Sahrens 	} else {
2026fa9e4066Sahrens 		(void) printf("block traversal size %llu != alloc %llu "
202782a0a985SVictor Latushkin 		    "(%s %lld)\n",
2028b24ab676SJeff Bonwick 		    (u_longlong_t)total_found,
2029b24ab676SJeff Bonwick 		    (u_longlong_t)total_alloc,
203082a0a985SVictor Latushkin 		    (dump_opt['L']) ? "unreachable" : "leaked",
2031b24ab676SJeff Bonwick 		    (longlong_t)(total_alloc - total_found));
2032fa9e4066Sahrens 		leaks = 1;
2033fa9e4066Sahrens 	}
2034fa9e4066Sahrens 
2035fa9e4066Sahrens 	if (tzb->zb_count == 0)
2036fa9e4066Sahrens 		return (2);
2037fa9e4066Sahrens 
2038fa9e4066Sahrens 	(void) printf("\n");
2039fa9e4066Sahrens 	(void) printf("\tbp count:      %10llu\n",
2040fa9e4066Sahrens 	    (u_longlong_t)tzb->zb_count);
2041b24ab676SJeff Bonwick 	(void) printf("\tbp logical:    %10llu      avg: %6llu\n",
2042fa9e4066Sahrens 	    (u_longlong_t)tzb->zb_lsize,
2043fa9e4066Sahrens 	    (u_longlong_t)(tzb->zb_lsize / tzb->zb_count));
2044b24ab676SJeff Bonwick 	(void) printf("\tbp physical:   %10llu      avg:"
2045b24ab676SJeff Bonwick 	    " %6llu     compression: %6.2f\n",
2046fa9e4066Sahrens 	    (u_longlong_t)tzb->zb_psize,
2047fa9e4066Sahrens 	    (u_longlong_t)(tzb->zb_psize / tzb->zb_count),
2048fa9e4066Sahrens 	    (double)tzb->zb_lsize / tzb->zb_psize);
2049b24ab676SJeff Bonwick 	(void) printf("\tbp allocated:  %10llu      avg:"
2050b24ab676SJeff Bonwick 	    " %6llu     compression: %6.2f\n",
2051fa9e4066Sahrens 	    (u_longlong_t)tzb->zb_asize,
2052fa9e4066Sahrens 	    (u_longlong_t)(tzb->zb_asize / tzb->zb_count),
2053fa9e4066Sahrens 	    (double)tzb->zb_lsize / tzb->zb_asize);
2054b24ab676SJeff Bonwick 	(void) printf("\tbp deduped:    %10llu    ref>1:"
2055b24ab676SJeff Bonwick 	    " %6llu   deduplication: %6.2f\n",
2056b24ab676SJeff Bonwick 	    (u_longlong_t)zcb.zcb_dedup_asize,
2057b24ab676SJeff Bonwick 	    (u_longlong_t)zcb.zcb_dedup_blocks,
2058b24ab676SJeff Bonwick 	    (double)zcb.zcb_dedup_asize / tzb->zb_asize + 1.0);
2059b24ab676SJeff Bonwick 	(void) printf("\tSPA allocated: %10llu     used: %5.2f%%\n",
2060b24ab676SJeff Bonwick 	    (u_longlong_t)norm_alloc, 100.0 * norm_alloc / norm_space);
2061fa9e4066Sahrens 
2062fa9e4066Sahrens 	if (dump_opt['b'] >= 2) {
2063fa9e4066Sahrens 		int l, t, level;
2064fa9e4066Sahrens 		(void) printf("\nBlocks\tLSIZE\tPSIZE\tASIZE"
2065fa9e4066Sahrens 		    "\t  avg\t comp\t%%Total\tType\n");
2066fa9e4066Sahrens 
2067b24ab676SJeff Bonwick 		for (t = 0; t <= ZDB_OT_TOTAL; t++) {
2068fa9e4066Sahrens 			char csize[6], lsize[6], psize[6], asize[6], avg[6];
2069fa9e4066Sahrens 			char *typename;
2070fa9e4066Sahrens 
2071b24ab676SJeff Bonwick 			if (t < DMU_OT_NUMTYPES)
2072b24ab676SJeff Bonwick 				typename = dmu_ot[t].ot_name;
2073b24ab676SJeff Bonwick 			else
2074b24ab676SJeff Bonwick 				typename = zdb_ot_extname[t - DMU_OT_NUMTYPES];
2075fa9e4066Sahrens 
2076fa9e4066Sahrens 			if (zcb.zcb_type[ZB_TOTAL][t].zb_asize == 0) {
2077fa9e4066Sahrens 				(void) printf("%6s\t%5s\t%5s\t%5s"
2078fa9e4066Sahrens 				    "\t%5s\t%5s\t%6s\t%s\n",
2079fa9e4066Sahrens 				    "-",
2080fa9e4066Sahrens 				    "-",
2081fa9e4066Sahrens 				    "-",
2082fa9e4066Sahrens 				    "-",
2083fa9e4066Sahrens 				    "-",
2084fa9e4066Sahrens 				    "-",
2085fa9e4066Sahrens 				    "-",
2086fa9e4066Sahrens 				    typename);
2087fa9e4066Sahrens 				continue;
2088fa9e4066Sahrens 			}
2089fa9e4066Sahrens 
2090fa9e4066Sahrens 			for (l = ZB_TOTAL - 1; l >= -1; l--) {
2091fa9e4066Sahrens 				level = (l == -1 ? ZB_TOTAL : l);
2092fa9e4066Sahrens 				zb = &zcb.zcb_type[level][t];
2093fa9e4066Sahrens 
2094fa9e4066Sahrens 				if (zb->zb_asize == 0)
2095fa9e4066Sahrens 					continue;
2096fa9e4066Sahrens 
2097fa9e4066Sahrens 				if (dump_opt['b'] < 3 && level != ZB_TOTAL)
2098fa9e4066Sahrens 					continue;
2099fa9e4066Sahrens 
2100fa9e4066Sahrens 				if (level == 0 && zb->zb_asize ==
2101fa9e4066Sahrens 				    zcb.zcb_type[ZB_TOTAL][t].zb_asize)
2102fa9e4066Sahrens 					continue;
2103fa9e4066Sahrens 
2104fa9e4066Sahrens 				nicenum(zb->zb_count, csize);
2105fa9e4066Sahrens 				nicenum(zb->zb_lsize, lsize);
2106fa9e4066Sahrens 				nicenum(zb->zb_psize, psize);
2107fa9e4066Sahrens 				nicenum(zb->zb_asize, asize);
2108fa9e4066Sahrens 				nicenum(zb->zb_asize / zb->zb_count, avg);
2109fa9e4066Sahrens 
2110fa9e4066Sahrens 				(void) printf("%6s\t%5s\t%5s\t%5s\t%5s"
2111fa9e4066Sahrens 				    "\t%5.2f\t%6.2f\t",
2112fa9e4066Sahrens 				    csize, lsize, psize, asize, avg,
2113fa9e4066Sahrens 				    (double)zb->zb_lsize / zb->zb_psize,
2114fa9e4066Sahrens 				    100.0 * zb->zb_asize / tzb->zb_asize);
2115fa9e4066Sahrens 
2116fa9e4066Sahrens 				if (level == ZB_TOTAL)
2117fa9e4066Sahrens 					(void) printf("%s\n", typename);
2118fa9e4066Sahrens 				else
2119fa9e4066Sahrens 					(void) printf("    L%d %s\n",
2120fa9e4066Sahrens 					    level, typename);
2121fa9e4066Sahrens 			}
2122fa9e4066Sahrens 		}
2123fa9e4066Sahrens 	}
2124fa9e4066Sahrens 
2125fa9e4066Sahrens 	(void) printf("\n");
2126fa9e4066Sahrens 
2127fa9e4066Sahrens 	if (leaks)
2128fa9e4066Sahrens 		return (2);
2129fa9e4066Sahrens 
2130fa9e4066Sahrens 	if (zcb.zcb_haderrors)
2131fa9e4066Sahrens 		return (3);
2132fa9e4066Sahrens 
2133fa9e4066Sahrens 	return (0);
2134fa9e4066Sahrens }
2135fa9e4066Sahrens 
2136b24ab676SJeff Bonwick typedef struct zdb_ddt_entry {
2137b24ab676SJeff Bonwick 	ddt_key_t	zdde_key;
2138b24ab676SJeff Bonwick 	uint64_t	zdde_ref_blocks;
2139b24ab676SJeff Bonwick 	uint64_t	zdde_ref_lsize;
2140b24ab676SJeff Bonwick 	uint64_t	zdde_ref_psize;
2141b24ab676SJeff Bonwick 	uint64_t	zdde_ref_dsize;
2142b24ab676SJeff Bonwick 	avl_node_t	zdde_node;
2143b24ab676SJeff Bonwick } zdb_ddt_entry_t;
2144b24ab676SJeff Bonwick 
2145b24ab676SJeff Bonwick /* ARGSUSED */
2146b24ab676SJeff Bonwick static int
2147b24ab676SJeff Bonwick zdb_ddt_add_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp,
2148b24ab676SJeff Bonwick     const zbookmark_t *zb, const dnode_phys_t *dnp, void *arg)
2149b24ab676SJeff Bonwick {
2150b24ab676SJeff Bonwick 	avl_tree_t *t = arg;
2151b24ab676SJeff Bonwick 	avl_index_t where;
2152b24ab676SJeff Bonwick 	zdb_ddt_entry_t *zdde, zdde_search;
2153b24ab676SJeff Bonwick 
2154b24ab676SJeff Bonwick 	if (bp == NULL)
2155b24ab676SJeff Bonwick 		return (0);
2156b24ab676SJeff Bonwick 
2157b24ab676SJeff Bonwick 	if (dump_opt['S'] > 1 && zb->zb_level == ZB_ROOT_LEVEL) {
2158b24ab676SJeff Bonwick 		(void) printf("traversing objset %llu, %llu objects, "
2159b24ab676SJeff Bonwick 		    "%lu blocks so far\n",
2160b24ab676SJeff Bonwick 		    (u_longlong_t)zb->zb_objset,
2161b24ab676SJeff Bonwick 		    (u_longlong_t)bp->blk_fill,
2162b24ab676SJeff Bonwick 		    avl_numnodes(t));
2163b24ab676SJeff Bonwick 	}
2164b24ab676SJeff Bonwick 
2165bbfd46c4SJeff Bonwick 	if (BP_IS_HOLE(bp) || BP_GET_CHECKSUM(bp) == ZIO_CHECKSUM_OFF ||
2166bbfd46c4SJeff Bonwick 	    BP_GET_LEVEL(bp) > 0 || dmu_ot[BP_GET_TYPE(bp)].ot_metadata)
2167b24ab676SJeff Bonwick 		return (0);
2168b24ab676SJeff Bonwick 
2169b24ab676SJeff Bonwick 	ddt_key_fill(&zdde_search.zdde_key, bp);
2170b24ab676SJeff Bonwick 
2171b24ab676SJeff Bonwick 	zdde = avl_find(t, &zdde_search, &where);
2172b24ab676SJeff Bonwick 
2173b24ab676SJeff Bonwick 	if (zdde == NULL) {
2174b24ab676SJeff Bonwick 		zdde = umem_zalloc(sizeof (*zdde), UMEM_NOFAIL);
2175b24ab676SJeff Bonwick 		zdde->zdde_key = zdde_search.zdde_key;
2176b24ab676SJeff Bonwick 		avl_insert(t, zdde, where);
2177b24ab676SJeff Bonwick 	}
2178b24ab676SJeff Bonwick 
2179b24ab676SJeff Bonwick 	zdde->zdde_ref_blocks += 1;
2180b24ab676SJeff Bonwick 	zdde->zdde_ref_lsize += BP_GET_LSIZE(bp);
2181b24ab676SJeff Bonwick 	zdde->zdde_ref_psize += BP_GET_PSIZE(bp);
2182b24ab676SJeff Bonwick 	zdde->zdde_ref_dsize += bp_get_dsize_sync(spa, bp);
2183b24ab676SJeff Bonwick 
2184b24ab676SJeff Bonwick 	return (0);
2185b24ab676SJeff Bonwick }
2186b24ab676SJeff Bonwick 
2187b24ab676SJeff Bonwick static void
2188b24ab676SJeff Bonwick dump_simulated_ddt(spa_t *spa)
2189b24ab676SJeff Bonwick {
2190b24ab676SJeff Bonwick 	avl_tree_t t;
2191b24ab676SJeff Bonwick 	void *cookie = NULL;
2192b24ab676SJeff Bonwick 	zdb_ddt_entry_t *zdde;
2193b24ab676SJeff Bonwick 	ddt_histogram_t ddh_total = { 0 };
2194b24ab676SJeff Bonwick 	ddt_stat_t dds_total = { 0 };
2195b24ab676SJeff Bonwick 
2196b24ab676SJeff Bonwick 	avl_create(&t, ddt_entry_compare,
2197b24ab676SJeff Bonwick 	    sizeof (zdb_ddt_entry_t), offsetof(zdb_ddt_entry_t, zdde_node));
2198b24ab676SJeff Bonwick 
2199b24ab676SJeff Bonwick 	spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER);
2200b24ab676SJeff Bonwick 
2201bbfd46c4SJeff Bonwick 	(void) traverse_pool(spa, 0, TRAVERSE_PRE | TRAVERSE_PREFETCH_METADATA,
2202bbfd46c4SJeff Bonwick 	    zdb_ddt_add_cb, &t);
2203b24ab676SJeff Bonwick 
2204b24ab676SJeff Bonwick 	spa_config_exit(spa, SCL_CONFIG, FTAG);
2205b24ab676SJeff Bonwick 
2206b24ab676SJeff Bonwick 	while ((zdde = avl_destroy_nodes(&t, &cookie)) != NULL) {
2207b24ab676SJeff Bonwick 		ddt_stat_t dds;
2208b24ab676SJeff Bonwick 		uint64_t refcnt = zdde->zdde_ref_blocks;
2209b24ab676SJeff Bonwick 		ASSERT(refcnt != 0);
2210b24ab676SJeff Bonwick 
2211b24ab676SJeff Bonwick 		dds.dds_blocks = zdde->zdde_ref_blocks / refcnt;
2212b24ab676SJeff Bonwick 		dds.dds_lsize = zdde->zdde_ref_lsize / refcnt;
2213b24ab676SJeff Bonwick 		dds.dds_psize = zdde->zdde_ref_psize / refcnt;
2214b24ab676SJeff Bonwick 		dds.dds_dsize = zdde->zdde_ref_dsize / refcnt;
2215b24ab676SJeff Bonwick 
2216b24ab676SJeff Bonwick 		dds.dds_ref_blocks = zdde->zdde_ref_blocks;
2217b24ab676SJeff Bonwick 		dds.dds_ref_lsize = zdde->zdde_ref_lsize;
2218b24ab676SJeff Bonwick 		dds.dds_ref_psize = zdde->zdde_ref_psize;
2219b24ab676SJeff Bonwick 		dds.dds_ref_dsize = zdde->zdde_ref_dsize;
2220b24ab676SJeff Bonwick 
2221b24ab676SJeff Bonwick 		ddt_stat_add(&ddh_total.ddh_stat[highbit(refcnt) - 1], &dds, 0);
2222b24ab676SJeff Bonwick 
2223b24ab676SJeff Bonwick 		umem_free(zdde, sizeof (*zdde));
2224b24ab676SJeff Bonwick 	}
2225b24ab676SJeff Bonwick 
2226b24ab676SJeff Bonwick 	avl_destroy(&t);
2227b24ab676SJeff Bonwick 
2228b24ab676SJeff Bonwick 	ddt_histogram_stat(&dds_total, &ddh_total);
2229b24ab676SJeff Bonwick 
2230b24ab676SJeff Bonwick 	(void) printf("Simulated DDT histogram:\n");
2231b24ab676SJeff Bonwick 
22329eb19f4dSGeorge Wilson 	zpool_dump_ddt(&dds_total, &ddh_total);
2233b24ab676SJeff Bonwick 
2234b24ab676SJeff Bonwick 	dump_dedup_ratio(&dds_total);
2235b24ab676SJeff Bonwick }
2236b24ab676SJeff Bonwick 
2237fa9e4066Sahrens static void
2238fa9e4066Sahrens dump_zpool(spa_t *spa)
2239fa9e4066Sahrens {
2240fa9e4066Sahrens 	dsl_pool_t *dp = spa_get_dsl(spa);
2241fa9e4066Sahrens 	int rc = 0;
2242fa9e4066Sahrens 
2243b24ab676SJeff Bonwick 	if (dump_opt['S']) {
2244b24ab676SJeff Bonwick 		dump_simulated_ddt(spa);
2245b24ab676SJeff Bonwick 		return;
2246b24ab676SJeff Bonwick 	}
2247b24ab676SJeff Bonwick 
224807428bdfSVictor Latushkin 	if (!dump_opt['e'] && dump_opt['C'] > 1) {
224907428bdfSVictor Latushkin 		(void) printf("\nCached configuration:\n");
225007428bdfSVictor Latushkin 		dump_nvlist(spa->spa_config, 8);
225107428bdfSVictor Latushkin 	}
225207428bdfSVictor Latushkin 
225307428bdfSVictor Latushkin 	if (dump_opt['C'])
225407428bdfSVictor Latushkin 		dump_config(spa);
225507428bdfSVictor Latushkin 
2256fa9e4066Sahrens 	if (dump_opt['u'])
225753b9a4a9SVictor Latushkin 		dump_uberblock(&spa->spa_uberblock, "\nUberblock:\n", "\n");
2258fa9e4066Sahrens 
2259b24ab676SJeff Bonwick 	if (dump_opt['D'])
2260b24ab676SJeff Bonwick 		dump_all_ddts(spa);
2261b24ab676SJeff Bonwick 
226287219db7SVictor Latushkin 	if (dump_opt['d'] > 2 || dump_opt['m'])
226387219db7SVictor Latushkin 		dump_metaslabs(spa);
226487219db7SVictor Latushkin 
226587219db7SVictor Latushkin 	if (dump_opt['d'] || dump_opt['i']) {
2266fa9e4066Sahrens 		dump_dir(dp->dp_meta_objset);
2267fa9e4066Sahrens 		if (dump_opt['d'] >= 3) {
2268fa9e4066Sahrens 			dump_bplist(dp->dp_meta_objset,
2269b24ab676SJeff Bonwick 			    spa->spa_deferred_bplist_obj, "Deferred frees");
2270fa9e4066Sahrens 			dump_dtl(spa->spa_root_vdev, 0);
2271fa9e4066Sahrens 		}
227207428bdfSVictor Latushkin 		(void) dmu_objset_find(spa_name(spa), dump_one_dir,
227307428bdfSVictor Latushkin 		    NULL, DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN);
2274fa9e4066Sahrens 	}
2275b24ab676SJeff Bonwick 	if (dump_opt['b'] || dump_opt['c'])
2276fa9e4066Sahrens 		rc = dump_block_stats(spa);
2277fa9e4066Sahrens 
2278fa9e4066Sahrens 	if (dump_opt['s'])
2279fa9e4066Sahrens 		show_pool_stats(spa);
2280fa9e4066Sahrens 
22818f18d1faSGeorge Wilson 	if (dump_opt['h'])
22828f18d1faSGeorge Wilson 		dump_history(spa);
22838f18d1faSGeorge Wilson 
2284fa9e4066Sahrens 	if (rc != 0)
2285fa9e4066Sahrens 		exit(rc);
2286fa9e4066Sahrens }
2287fa9e4066Sahrens 
228844cd46caSbillm #define	ZDB_FLAG_CHECKSUM	0x0001
228944cd46caSbillm #define	ZDB_FLAG_DECOMPRESS	0x0002
229044cd46caSbillm #define	ZDB_FLAG_BSWAP		0x0004
229144cd46caSbillm #define	ZDB_FLAG_GBH		0x0008
229244cd46caSbillm #define	ZDB_FLAG_INDIRECT	0x0010
229344cd46caSbillm #define	ZDB_FLAG_PHYS		0x0020
229444cd46caSbillm #define	ZDB_FLAG_RAW		0x0040
229544cd46caSbillm #define	ZDB_FLAG_PRINT_BLKPTR	0x0080
229644cd46caSbillm 
229744cd46caSbillm int flagbits[256];
229844cd46caSbillm 
229944cd46caSbillm static void
230044cd46caSbillm zdb_print_blkptr(blkptr_t *bp, int flags)
230144cd46caSbillm {
2302b24ab676SJeff Bonwick 	char blkbuf[BP_SPRINTF_LEN];
230344cd46caSbillm 
230444cd46caSbillm 	if (flags & ZDB_FLAG_BSWAP)
230544cd46caSbillm 		byteswap_uint64_array((void *)bp, sizeof (blkptr_t));
2306b24ab676SJeff Bonwick 
2307b24ab676SJeff Bonwick 	sprintf_blkptr(blkbuf, bp);
2308b24ab676SJeff Bonwick 	(void) printf("%s\n", blkbuf);
230944cd46caSbillm }
231044cd46caSbillm 
231144cd46caSbillm static void
231244cd46caSbillm zdb_dump_indirect(blkptr_t *bp, int nbps, int flags)
231344cd46caSbillm {
231444cd46caSbillm 	int i;
231544cd46caSbillm 
231644cd46caSbillm 	for (i = 0; i < nbps; i++)
231744cd46caSbillm 		zdb_print_blkptr(&bp[i], flags);
231844cd46caSbillm }
231944cd46caSbillm 
232044cd46caSbillm static void
232144cd46caSbillm zdb_dump_gbh(void *buf, int flags)
232244cd46caSbillm {
232344cd46caSbillm 	zdb_dump_indirect((blkptr_t *)buf, SPA_GBH_NBLKPTRS, flags);
232444cd46caSbillm }
232544cd46caSbillm 
232644cd46caSbillm static void
232744cd46caSbillm zdb_dump_block_raw(void *buf, uint64_t size, int flags)
232844cd46caSbillm {
232944cd46caSbillm 	if (flags & ZDB_FLAG_BSWAP)
233044cd46caSbillm 		byteswap_uint64_array(buf, size);
2331b24ab676SJeff Bonwick 	(void) write(1, buf, size);
233244cd46caSbillm }
233344cd46caSbillm 
233444cd46caSbillm static void
233544cd46caSbillm zdb_dump_block(char *label, void *buf, uint64_t size, int flags)
233644cd46caSbillm {
233744cd46caSbillm 	uint64_t *d = (uint64_t *)buf;
233844cd46caSbillm 	int nwords = size / sizeof (uint64_t);
233944cd46caSbillm 	int do_bswap = !!(flags & ZDB_FLAG_BSWAP);
234044cd46caSbillm 	int i, j;
234144cd46caSbillm 	char *hdr, *c;
234244cd46caSbillm 
234344cd46caSbillm 
234444cd46caSbillm 	if (do_bswap)
234544cd46caSbillm 		hdr = " 7 6 5 4 3 2 1 0   f e d c b a 9 8";
234644cd46caSbillm 	else
234744cd46caSbillm 		hdr = " 0 1 2 3 4 5 6 7   8 9 a b c d e f";
234844cd46caSbillm 
234944cd46caSbillm 	(void) printf("\n%s\n%6s   %s  0123456789abcdef\n", label, "", hdr);
235044cd46caSbillm 
235144cd46caSbillm 	for (i = 0; i < nwords; i += 2) {
235244cd46caSbillm 		(void) printf("%06llx:  %016llx  %016llx  ",
235344cd46caSbillm 		    (u_longlong_t)(i * sizeof (uint64_t)),
235444cd46caSbillm 		    (u_longlong_t)(do_bswap ? BSWAP_64(d[i]) : d[i]),
235544cd46caSbillm 		    (u_longlong_t)(do_bswap ? BSWAP_64(d[i + 1]) : d[i + 1]));
235644cd46caSbillm 
235744cd46caSbillm 		c = (char *)&d[i];
235844cd46caSbillm 		for (j = 0; j < 2 * sizeof (uint64_t); j++)
235944cd46caSbillm 			(void) printf("%c", isprint(c[j]) ? c[j] : '.');
236044cd46caSbillm 		(void) printf("\n");
236144cd46caSbillm 	}
236244cd46caSbillm }
236344cd46caSbillm 
236444cd46caSbillm /*
236544cd46caSbillm  * There are two acceptable formats:
236644cd46caSbillm  *	leaf_name	  - For example: c1t0d0 or /tmp/ztest.0a
236744cd46caSbillm  *	child[.child]*    - For example: 0.1.1
236844cd46caSbillm  *
236944cd46caSbillm  * The second form can be used to specify arbitrary vdevs anywhere
237044cd46caSbillm  * in the heirarchy.  For example, in a pool with a mirror of
237144cd46caSbillm  * RAID-Zs, you can specify either RAID-Z vdev with 0.0 or 0.1 .
237244cd46caSbillm  */
237344cd46caSbillm static vdev_t *
237444cd46caSbillm zdb_vdev_lookup(vdev_t *vdev, char *path)
237544cd46caSbillm {
237644cd46caSbillm 	char *s, *p, *q;
237744cd46caSbillm 	int i;
237844cd46caSbillm 
237944cd46caSbillm 	if (vdev == NULL)
238044cd46caSbillm 		return (NULL);
238144cd46caSbillm 
238244cd46caSbillm 	/* First, assume the x.x.x.x format */
238344cd46caSbillm 	i = (int)strtoul(path, &s, 10);
238444cd46caSbillm 	if (s == path || (s && *s != '.' && *s != '\0'))
238544cd46caSbillm 		goto name;
238644cd46caSbillm 	if (i < 0 || i >= vdev->vdev_children)
238744cd46caSbillm 		return (NULL);
238844cd46caSbillm 
238944cd46caSbillm 	vdev = vdev->vdev_child[i];
239044cd46caSbillm 	if (*s == '\0')
239144cd46caSbillm 		return (vdev);
239244cd46caSbillm 	return (zdb_vdev_lookup(vdev, s+1));
239344cd46caSbillm 
239444cd46caSbillm name:
239544cd46caSbillm 	for (i = 0; i < vdev->vdev_children; i++) {
239644cd46caSbillm 		vdev_t *vc = vdev->vdev_child[i];
239744cd46caSbillm 
239844cd46caSbillm 		if (vc->vdev_path == NULL) {
239944cd46caSbillm 			vc = zdb_vdev_lookup(vc, path);
240044cd46caSbillm 			if (vc == NULL)
240144cd46caSbillm 				continue;
240244cd46caSbillm 			else
240344cd46caSbillm 				return (vc);
240444cd46caSbillm 		}
240544cd46caSbillm 
240644cd46caSbillm 		p = strrchr(vc->vdev_path, '/');
240744cd46caSbillm 		p = p ? p + 1 : vc->vdev_path;
240844cd46caSbillm 		q = &vc->vdev_path[strlen(vc->vdev_path) - 2];
240944cd46caSbillm 
241044cd46caSbillm 		if (strcmp(vc->vdev_path, path) == 0)
241144cd46caSbillm 			return (vc);
241244cd46caSbillm 		if (strcmp(p, path) == 0)
241344cd46caSbillm 			return (vc);
241444cd46caSbillm 		if (strcmp(q, "s0") == 0 && strncmp(p, path, q - p) == 0)
241544cd46caSbillm 			return (vc);
241644cd46caSbillm 	}
241744cd46caSbillm 
241844cd46caSbillm 	return (NULL);
241944cd46caSbillm }
242044cd46caSbillm 
242144cd46caSbillm /*
242244cd46caSbillm  * Read a block from a pool and print it out.  The syntax of the
242344cd46caSbillm  * block descriptor is:
242444cd46caSbillm  *
242544cd46caSbillm  *	pool:vdev_specifier:offset:size[:flags]
242644cd46caSbillm  *
242744cd46caSbillm  *	pool           - The name of the pool you wish to read from
242844cd46caSbillm  *	vdev_specifier - Which vdev (see comment for zdb_vdev_lookup)
242944cd46caSbillm  *	offset         - offset, in hex, in bytes
243044cd46caSbillm  *	size           - Amount of data to read, in hex, in bytes
243144cd46caSbillm  *	flags          - A string of characters specifying options
243244cd46caSbillm  *		 b: Decode a blkptr at given offset within block
243344cd46caSbillm  *		*c: Calculate and display checksums
2434b24ab676SJeff Bonwick  *		 d: Decompress data before dumping
243544cd46caSbillm  *		 e: Byteswap data before dumping
2436b24ab676SJeff Bonwick  *		 g: Display data as a gang block header
2437b24ab676SJeff Bonwick  *		 i: Display as an indirect block
243844cd46caSbillm  *		 p: Do I/O to physical offset
243944cd46caSbillm  *		 r: Dump raw data to stdout
244044cd46caSbillm  *
244144cd46caSbillm  *              * = not yet implemented
244244cd46caSbillm  */
244344cd46caSbillm static void
244407428bdfSVictor Latushkin zdb_read_block(char *thing, spa_t *spa)
244544cd46caSbillm {
2446b24ab676SJeff Bonwick 	blkptr_t blk, *bp = &blk;
2447b24ab676SJeff Bonwick 	dva_t *dva = bp->blk_dva;
244844cd46caSbillm 	int flags = 0;
2449b24ab676SJeff Bonwick 	uint64_t offset = 0, size = 0, psize = 0, lsize = 0, blkptr_offset = 0;
245044cd46caSbillm 	zio_t *zio;
245144cd46caSbillm 	vdev_t *vd;
2452b24ab676SJeff Bonwick 	void *pbuf, *lbuf, *buf;
245307428bdfSVictor Latushkin 	char *s, *p, *dup, *vdev, *flagstr;
2454b24ab676SJeff Bonwick 	int i, error;
245544cd46caSbillm 
245644cd46caSbillm 	dup = strdup(thing);
245744cd46caSbillm 	s = strtok(dup, ":");
245844cd46caSbillm 	vdev = s ? s : "";
245944cd46caSbillm 	s = strtok(NULL, ":");
246044cd46caSbillm 	offset = strtoull(s ? s : "", NULL, 16);
246144cd46caSbillm 	s = strtok(NULL, ":");
246244cd46caSbillm 	size = strtoull(s ? s : "", NULL, 16);
246344cd46caSbillm 	s = strtok(NULL, ":");
246444cd46caSbillm 	flagstr = s ? s : "";
246544cd46caSbillm 
246644cd46caSbillm 	s = NULL;
246744cd46caSbillm 	if (size == 0)
246844cd46caSbillm 		s = "size must not be zero";
246944cd46caSbillm 	if (!IS_P2ALIGNED(size, DEV_BSIZE))
247044cd46caSbillm 		s = "size must be a multiple of sector size";
247144cd46caSbillm 	if (!IS_P2ALIGNED(offset, DEV_BSIZE))
247244cd46caSbillm 		s = "offset must be a multiple of sector size";
247344cd46caSbillm 	if (s) {
247444cd46caSbillm 		(void) printf("Invalid block specifier: %s  - %s\n", thing, s);
247544cd46caSbillm 		free(dup);
247644cd46caSbillm 		return;
247744cd46caSbillm 	}
247844cd46caSbillm 
247944cd46caSbillm 	for (s = strtok(flagstr, ":"); s; s = strtok(NULL, ":")) {
248044cd46caSbillm 		for (i = 0; flagstr[i]; i++) {
24815ad82045Snd 			int bit = flagbits[(uchar_t)flagstr[i]];
248244cd46caSbillm 
248344cd46caSbillm 			if (bit == 0) {
248444cd46caSbillm 				(void) printf("***Invalid flag: %c\n",
248544cd46caSbillm 				    flagstr[i]);
248644cd46caSbillm 				continue;
248744cd46caSbillm 			}
248844cd46caSbillm 			flags |= bit;
248944cd46caSbillm 
249044cd46caSbillm 			/* If it's not something with an argument, keep going */
2491b24ab676SJeff Bonwick 			if ((bit & (ZDB_FLAG_CHECKSUM |
249244cd46caSbillm 			    ZDB_FLAG_PRINT_BLKPTR)) == 0)
249344cd46caSbillm 				continue;
249444cd46caSbillm 
249544cd46caSbillm 			p = &flagstr[i + 1];
249644cd46caSbillm 			if (bit == ZDB_FLAG_PRINT_BLKPTR)
249744cd46caSbillm 				blkptr_offset = strtoull(p, &p, 16);
249844cd46caSbillm 			if (*p != ':' && *p != '\0') {
249944cd46caSbillm 				(void) printf("***Invalid flag arg: '%s'\n", s);
250044cd46caSbillm 				free(dup);
250144cd46caSbillm 				return;
250244cd46caSbillm 			}
250344cd46caSbillm 		}
250444cd46caSbillm 	}
250544cd46caSbillm 
250644cd46caSbillm 	vd = zdb_vdev_lookup(spa->spa_root_vdev, vdev);
250744cd46caSbillm 	if (vd == NULL) {
250844cd46caSbillm 		(void) printf("***Invalid vdev: %s\n", vdev);
250944cd46caSbillm 		free(dup);
251044cd46caSbillm 		return;
251144cd46caSbillm 	} else {
251244cd46caSbillm 		if (vd->vdev_path)
2513b24ab676SJeff Bonwick 			(void) fprintf(stderr, "Found vdev: %s\n",
2514b24ab676SJeff Bonwick 			    vd->vdev_path);
251544cd46caSbillm 		else
2516b24ab676SJeff Bonwick 			(void) fprintf(stderr, "Found vdev type: %s\n",
251744cd46caSbillm 			    vd->vdev_ops->vdev_op_type);
251844cd46caSbillm 	}
251944cd46caSbillm 
2520b24ab676SJeff Bonwick 	psize = size;
2521b24ab676SJeff Bonwick 	lsize = size;
252244cd46caSbillm 
2523b24ab676SJeff Bonwick 	pbuf = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL);
2524b24ab676SJeff Bonwick 	lbuf = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL);
2525b24ab676SJeff Bonwick 
2526b24ab676SJeff Bonwick 	BP_ZERO(bp);
2527b24ab676SJeff Bonwick 
2528b24ab676SJeff Bonwick 	DVA_SET_VDEV(&dva[0], vd->vdev_id);
2529b24ab676SJeff Bonwick 	DVA_SET_OFFSET(&dva[0], offset);
2530b24ab676SJeff Bonwick 	DVA_SET_GANG(&dva[0], !!(flags & ZDB_FLAG_GBH));
2531b24ab676SJeff Bonwick 	DVA_SET_ASIZE(&dva[0], vdev_psize_to_asize(vd, psize));
2532b24ab676SJeff Bonwick 
2533b24ab676SJeff Bonwick 	BP_SET_BIRTH(bp, TXG_INITIAL, TXG_INITIAL);
2534b24ab676SJeff Bonwick 
2535b24ab676SJeff Bonwick 	BP_SET_LSIZE(bp, lsize);
2536b24ab676SJeff Bonwick 	BP_SET_PSIZE(bp, psize);
2537b24ab676SJeff Bonwick 	BP_SET_COMPRESS(bp, ZIO_COMPRESS_OFF);
2538b24ab676SJeff Bonwick 	BP_SET_CHECKSUM(bp, ZIO_CHECKSUM_OFF);
2539b24ab676SJeff Bonwick 	BP_SET_TYPE(bp, DMU_OT_NONE);
2540b24ab676SJeff Bonwick 	BP_SET_LEVEL(bp, 0);
2541b24ab676SJeff Bonwick 	BP_SET_DEDUP(bp, 0);
2542b24ab676SJeff Bonwick 	BP_SET_BYTEORDER(bp, ZFS_HOST_BYTEORDER);
254344cd46caSbillm 
2544e14bb325SJeff Bonwick 	spa_config_enter(spa, SCL_STATE, FTAG, RW_READER);
254544cd46caSbillm 	zio = zio_root(spa, NULL, NULL, 0);
2546b24ab676SJeff Bonwick 
2547b24ab676SJeff Bonwick 	if (vd == vd->vdev_top) {
2548b24ab676SJeff Bonwick 		/*
2549b24ab676SJeff Bonwick 		 * Treat this as a normal block read.
2550b24ab676SJeff Bonwick 		 */
2551b24ab676SJeff Bonwick 		zio_nowait(zio_read(zio, spa, bp, pbuf, psize, NULL, NULL,
2552b24ab676SJeff Bonwick 		    ZIO_PRIORITY_SYNC_READ,
2553b24ab676SJeff Bonwick 		    ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW, NULL));
2554b24ab676SJeff Bonwick 	} else {
2555b24ab676SJeff Bonwick 		/*
2556b24ab676SJeff Bonwick 		 * Treat this as a vdev child I/O.
2557b24ab676SJeff Bonwick 		 */
2558b24ab676SJeff Bonwick 		zio_nowait(zio_vdev_child_io(zio, bp, vd, offset, pbuf, psize,
2559b24ab676SJeff Bonwick 		    ZIO_TYPE_READ, ZIO_PRIORITY_SYNC_READ,
2560b24ab676SJeff Bonwick 		    ZIO_FLAG_DONT_CACHE | ZIO_FLAG_DONT_QUEUE |
2561b24ab676SJeff Bonwick 		    ZIO_FLAG_DONT_PROPAGATE | ZIO_FLAG_DONT_RETRY |
2562b24ab676SJeff Bonwick 		    ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW, NULL, NULL));
2563b24ab676SJeff Bonwick 	}
2564b24ab676SJeff Bonwick 
256544cd46caSbillm 	error = zio_wait(zio);
2566e14bb325SJeff Bonwick 	spa_config_exit(spa, SCL_STATE, FTAG);
256744cd46caSbillm 
256844cd46caSbillm 	if (error) {
256944cd46caSbillm 		(void) printf("Read of %s failed, error: %d\n", thing, error);
257044cd46caSbillm 		goto out;
257144cd46caSbillm 	}
257244cd46caSbillm 
2573b24ab676SJeff Bonwick 	if (flags & ZDB_FLAG_DECOMPRESS) {
2574b24ab676SJeff Bonwick 		/*
2575b24ab676SJeff Bonwick 		 * We don't know how the data was compressed, so just try
2576b24ab676SJeff Bonwick 		 * every decompress function at every inflated blocksize.
2577b24ab676SJeff Bonwick 		 */
2578b24ab676SJeff Bonwick 		enum zio_compress c;
2579b24ab676SJeff Bonwick 		void *pbuf2 = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL);
2580b24ab676SJeff Bonwick 		void *lbuf2 = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL);
2581b24ab676SJeff Bonwick 
2582b24ab676SJeff Bonwick 		bcopy(pbuf, pbuf2, psize);
2583b24ab676SJeff Bonwick 
2584b24ab676SJeff Bonwick 		VERIFY(random_get_pseudo_bytes((uint8_t *)pbuf + psize,
2585b24ab676SJeff Bonwick 		    SPA_MAXBLOCKSIZE - psize) == 0);
2586b24ab676SJeff Bonwick 
2587b24ab676SJeff Bonwick 		VERIFY(random_get_pseudo_bytes((uint8_t *)pbuf2 + psize,
2588b24ab676SJeff Bonwick 		    SPA_MAXBLOCKSIZE - psize) == 0);
2589b24ab676SJeff Bonwick 
2590b24ab676SJeff Bonwick 		for (lsize = SPA_MAXBLOCKSIZE; lsize > psize;
2591b24ab676SJeff Bonwick 		    lsize -= SPA_MINBLOCKSIZE) {
2592b24ab676SJeff Bonwick 			for (c = 0; c < ZIO_COMPRESS_FUNCTIONS; c++) {
2593b24ab676SJeff Bonwick 				if (zio_decompress_data(c, pbuf, lbuf,
2594b24ab676SJeff Bonwick 				    psize, lsize) == 0 &&
2595b24ab676SJeff Bonwick 				    zio_decompress_data(c, pbuf2, lbuf2,
2596b24ab676SJeff Bonwick 				    psize, lsize) == 0 &&
2597b24ab676SJeff Bonwick 				    bcmp(lbuf, lbuf2, lsize) == 0)
2598b24ab676SJeff Bonwick 					break;
2599b24ab676SJeff Bonwick 			}
2600b24ab676SJeff Bonwick 			if (c != ZIO_COMPRESS_FUNCTIONS)
2601b24ab676SJeff Bonwick 				break;
2602b24ab676SJeff Bonwick 			lsize -= SPA_MINBLOCKSIZE;
2603b24ab676SJeff Bonwick 		}
2604b24ab676SJeff Bonwick 
2605b24ab676SJeff Bonwick 		umem_free(pbuf2, SPA_MAXBLOCKSIZE);
2606b24ab676SJeff Bonwick 		umem_free(lbuf2, SPA_MAXBLOCKSIZE);
2607b24ab676SJeff Bonwick 
2608b24ab676SJeff Bonwick 		if (lsize <= psize) {
2609b24ab676SJeff Bonwick 			(void) printf("Decompress of %s failed\n", thing);
2610b24ab676SJeff Bonwick 			goto out;
2611b24ab676SJeff Bonwick 		}
2612b24ab676SJeff Bonwick 		buf = lbuf;
2613b24ab676SJeff Bonwick 		size = lsize;
2614b24ab676SJeff Bonwick 	} else {
2615b24ab676SJeff Bonwick 		buf = pbuf;
2616b24ab676SJeff Bonwick 		size = psize;
2617b24ab676SJeff Bonwick 	}
2618b24ab676SJeff Bonwick 
261944cd46caSbillm 	if (flags & ZDB_FLAG_PRINT_BLKPTR)
262044cd46caSbillm 		zdb_print_blkptr((blkptr_t *)(void *)
262144cd46caSbillm 		    ((uintptr_t)buf + (uintptr_t)blkptr_offset), flags);
262244cd46caSbillm 	else if (flags & ZDB_FLAG_RAW)
262344cd46caSbillm 		zdb_dump_block_raw(buf, size, flags);
262444cd46caSbillm 	else if (flags & ZDB_FLAG_INDIRECT)
262544cd46caSbillm 		zdb_dump_indirect((blkptr_t *)buf, size / sizeof (blkptr_t),
262644cd46caSbillm 		    flags);
262744cd46caSbillm 	else if (flags & ZDB_FLAG_GBH)
262844cd46caSbillm 		zdb_dump_gbh(buf, flags);
262944cd46caSbillm 	else
263044cd46caSbillm 		zdb_dump_block(thing, buf, size, flags);
263144cd46caSbillm 
263244cd46caSbillm out:
2633b24ab676SJeff Bonwick 	umem_free(pbuf, SPA_MAXBLOCKSIZE);
2634b24ab676SJeff Bonwick 	umem_free(lbuf, SPA_MAXBLOCKSIZE);
263544cd46caSbillm 	free(dup);
263644cd46caSbillm }
263744cd46caSbillm 
2638de6628f0Sck static boolean_t
26393ad6c7f9SVictor Latushkin pool_match(nvlist_t *cfg, char *tgt)
2640de6628f0Sck {
26413ad6c7f9SVictor Latushkin 	uint64_t v, guid = strtoull(tgt, NULL, 0);
2642de6628f0Sck 	char *s;
2643de6628f0Sck 
2644de6628f0Sck 	if (guid != 0) {
26453ad6c7f9SVictor Latushkin 		if (nvlist_lookup_uint64(cfg, ZPOOL_CONFIG_POOL_GUID, &v) == 0)
26463ad6c7f9SVictor Latushkin 			return (v == guid);
2647de6628f0Sck 	} else {
26483ad6c7f9SVictor Latushkin 		if (nvlist_lookup_string(cfg, ZPOOL_CONFIG_POOL_NAME, &s) == 0)
26493ad6c7f9SVictor Latushkin 			return (strcmp(s, tgt) == 0);
2650de6628f0Sck 	}
26513ad6c7f9SVictor Latushkin 	return (B_FALSE);
2652de6628f0Sck }
2653de6628f0Sck 
26543ad6c7f9SVictor Latushkin static char *
26553ad6c7f9SVictor Latushkin find_zpool(char **target, nvlist_t **configp, int dirc, char **dirv)
2656de6628f0Sck {
2657de6628f0Sck 	nvlist_t *pools;
2658de6628f0Sck 	nvlist_t *match = NULL;
26593ad6c7f9SVictor Latushkin 	char *name = NULL;
26603ad6c7f9SVictor Latushkin 	char *sepp = NULL;
26613ad6c7f9SVictor Latushkin 	char sep;
26623ad6c7f9SVictor Latushkin 	int count = 0;
2663d41c4376SMark J Musante 	importargs_t args = { 0 };
2664d41c4376SMark J Musante 
2665d41c4376SMark J Musante 	args.paths = dirc;
2666d41c4376SMark J Musante 	args.path = dirv;
2667d41c4376SMark J Musante 	args.can_be_active = B_TRUE;
2668de6628f0Sck 
26693ad6c7f9SVictor Latushkin 	if ((sepp = strpbrk(*target, "/@")) != NULL) {
26703ad6c7f9SVictor Latushkin 		sep = *sepp;
26713ad6c7f9SVictor Latushkin 		*sepp = '\0';
26723ad6c7f9SVictor Latushkin 	}
26733ad6c7f9SVictor Latushkin 
2674d41c4376SMark J Musante 	pools = zpool_search_import(g_zfs, &args);
2675de6628f0Sck 
2676de6628f0Sck 	if (pools != NULL) {
2677de6628f0Sck 		nvpair_t *elem = NULL;
2678de6628f0Sck 		while ((elem = nvlist_next_nvpair(pools, elem)) != NULL) {
2679de6628f0Sck 			verify(nvpair_value_nvlist(elem, configp) == 0);
26803ad6c7f9SVictor Latushkin 			if (pool_match(*configp, *target)) {
26813ad6c7f9SVictor Latushkin 				count++;
2682de6628f0Sck 				if (match != NULL) {
26833ad6c7f9SVictor Latushkin 					/* print previously found config */
26843ad6c7f9SVictor Latushkin 					if (name != NULL) {
26853ad6c7f9SVictor Latushkin 						(void) printf("%s\n", name);
26863ad6c7f9SVictor Latushkin 						dump_nvlist(match, 8);
26873ad6c7f9SVictor Latushkin 						name = NULL;
26883ad6c7f9SVictor Latushkin 					}
26893ad6c7f9SVictor Latushkin 					(void) printf("%s\n",
26903ad6c7f9SVictor Latushkin 					    nvpair_name(elem));
26913ad6c7f9SVictor Latushkin 					dump_nvlist(*configp, 8);
2692de6628f0Sck 				} else {
2693de6628f0Sck 					match = *configp;
26943ad6c7f9SVictor Latushkin 					name = nvpair_name(elem);
2695de6628f0Sck 				}
2696de6628f0Sck 			}
2697de6628f0Sck 		}
2698de6628f0Sck 	}
26993ad6c7f9SVictor Latushkin 	if (count > 1)
27003ad6c7f9SVictor Latushkin 		(void) fatal("\tMatched %d pools - use pool GUID "
27013ad6c7f9SVictor Latushkin 		    "instead of pool name or \n"
27023ad6c7f9SVictor Latushkin 		    "\tpool name part of a dataset name to select pool", count);
27033ad6c7f9SVictor Latushkin 
27043ad6c7f9SVictor Latushkin 	if (sepp)
27053ad6c7f9SVictor Latushkin 		*sepp = sep;
27063ad6c7f9SVictor Latushkin 	/*
27073ad6c7f9SVictor Latushkin 	 * If pool GUID was specified for pool id, replace it with pool name
27083ad6c7f9SVictor Latushkin 	 */
27093ad6c7f9SVictor Latushkin 	if (name && (strstr(*target, name) != *target)) {
27103ad6c7f9SVictor Latushkin 		int sz = 1 + strlen(name) + ((sepp) ? strlen(sepp) : 0);
27113ad6c7f9SVictor Latushkin 
27123ad6c7f9SVictor Latushkin 		*target = umem_alloc(sz, UMEM_NOFAIL);
27133ad6c7f9SVictor Latushkin 		(void) snprintf(*target, sz, "%s%s", name, sepp ? sepp : "");
27143ad6c7f9SVictor Latushkin 	}
2715de6628f0Sck 
27163ad6c7f9SVictor Latushkin 	*configp = name ? match : NULL;
2717de6628f0Sck 
27183ad6c7f9SVictor Latushkin 	return (name);
2719de6628f0Sck }
2720de6628f0Sck 
2721fa9e4066Sahrens int
2722fa9e4066Sahrens main(int argc, char **argv)
2723fa9e4066Sahrens {
2724fa9e4066Sahrens 	int i, c;
2725fa9e4066Sahrens 	struct rlimit rl = { 1024, 1024 };
27263ad6c7f9SVictor Latushkin 	spa_t *spa = NULL;
2727fa9e4066Sahrens 	objset_t *os = NULL;
2728fa9e4066Sahrens 	int dump_all = 1;
2729fa9e4066Sahrens 	int verbose = 0;
2730c8ee1847SVictor Latushkin 	int error = 0;
27313ad6c7f9SVictor Latushkin 	char **searchdirs = NULL;
27323ad6c7f9SVictor Latushkin 	int nsearch = 0;
27333ad6c7f9SVictor Latushkin 	char *target;
2734468c413aSTim Haley 	nvlist_t *policy = NULL;
2735468c413aSTim Haley 	uint64_t max_txg = UINT64_MAX;
2736c8ee1847SVictor Latushkin 	int rewind = ZPOOL_NEVER_REWIND;
2737fa9e4066Sahrens 
2738fa9e4066Sahrens 	(void) setrlimit(RLIMIT_NOFILE, &rl);
2739004388ebScasper 	(void) enable_extended_FILE_stdio(-1, -1);
2740fa9e4066Sahrens 
2741fa9e4066Sahrens 	dprintf_setup(&argc, argv);
2742fa9e4066Sahrens 
2743c8ee1847SVictor Latushkin 	while ((c = getopt(argc, argv, "bcdhilmsuCDRSAFLXevp:t:U:")) != -1) {
2744fa9e4066Sahrens 		switch (c) {
2745fa9e4066Sahrens 		case 'b':
2746fa9e4066Sahrens 		case 'c':
2747b24ab676SJeff Bonwick 		case 'd':
2748b24ab676SJeff Bonwick 		case 'h':
2749b24ab676SJeff Bonwick 		case 'i':
2750b24ab676SJeff Bonwick 		case 'l':
2751d6e555bdSGeorge Wilson 		case 'm':
2752fa9e4066Sahrens 		case 's':
2753b24ab676SJeff Bonwick 		case 'u':
2754fa9e4066Sahrens 		case 'C':
2755b24ab676SJeff Bonwick 		case 'D':
275644cd46caSbillm 		case 'R':
2757b24ab676SJeff Bonwick 		case 'S':
2758fa9e4066Sahrens 			dump_opt[c]++;
2759fa9e4066Sahrens 			dump_all = 0;
2760fa9e4066Sahrens 			break;
2761feef89cfSVictor Latushkin 		case 'A':
2762c8ee1847SVictor Latushkin 		case 'F':
276382a0a985SVictor Latushkin 		case 'L':
2764c8ee1847SVictor Latushkin 		case 'X':
27653ad6c7f9SVictor Latushkin 		case 'e':
276682a0a985SVictor Latushkin 			dump_opt[c]++;
276782a0a985SVictor Latushkin 			break;
2768fa9e4066Sahrens 		case 'v':
2769fa9e4066Sahrens 			verbose++;
2770fa9e4066Sahrens 			break;
2771de6628f0Sck 		case 'p':
27723ad6c7f9SVictor Latushkin 			if (searchdirs == NULL) {
27733ad6c7f9SVictor Latushkin 				searchdirs = umem_alloc(sizeof (char *),
27743ad6c7f9SVictor Latushkin 				    UMEM_NOFAIL);
27753ad6c7f9SVictor Latushkin 			} else {
27763ad6c7f9SVictor Latushkin 				char **tmp = umem_alloc((nsearch + 1) *
27773ad6c7f9SVictor Latushkin 				    sizeof (char *), UMEM_NOFAIL);
27783ad6c7f9SVictor Latushkin 				bcopy(searchdirs, tmp, nsearch *
27793ad6c7f9SVictor Latushkin 				    sizeof (char *));
27803ad6c7f9SVictor Latushkin 				umem_free(searchdirs,
27813ad6c7f9SVictor Latushkin 				    nsearch * sizeof (char *));
27823ad6c7f9SVictor Latushkin 				searchdirs = tmp;
27833ad6c7f9SVictor Latushkin 			}
27843ad6c7f9SVictor Latushkin 			searchdirs[nsearch++] = optarg;
2785de6628f0Sck 			break;
27862e551927SVictor Latushkin 		case 't':
2787468c413aSTim Haley 			max_txg = strtoull(optarg, NULL, 0);
2788468c413aSTim Haley 			if (max_txg < TXG_INITIAL) {
27892e551927SVictor Latushkin 				(void) fprintf(stderr, "incorrect txg "
27902e551927SVictor Latushkin 				    "specified: %s\n", optarg);
27912e551927SVictor Latushkin 				usage();
27922e551927SVictor Latushkin 			}
27932e551927SVictor Latushkin 			break;
2794b24ab676SJeff Bonwick 		case 'U':
2795b24ab676SJeff Bonwick 			spa_config_path = optarg;
2796b24ab676SJeff Bonwick 			break;
2797fa9e4066Sahrens 		default:
2798fa9e4066Sahrens 			usage();
2799fa9e4066Sahrens 			break;
2800fa9e4066Sahrens 		}
2801fa9e4066Sahrens 	}
2802fa9e4066Sahrens 
28033ad6c7f9SVictor Latushkin 	if (!dump_opt['e'] && searchdirs != NULL) {
280488b7b0f2SMatthew Ahrens 		(void) fprintf(stderr, "-p option requires use of -e\n");
280588b7b0f2SMatthew Ahrens 		usage();
280688b7b0f2SMatthew Ahrens 	}
2807de6628f0Sck 
2808fa9e4066Sahrens 	kernel_init(FREAD);
2809de6628f0Sck 	g_zfs = libzfs_init();
281091ebeef5Sahrens 	ASSERT(g_zfs != NULL);
2811fa9e4066Sahrens 
2812b24ab676SJeff Bonwick 	if (dump_all)
2813b24ab676SJeff Bonwick 		verbose = MAX(verbose, 1);
2814b24ab676SJeff Bonwick 
2815fa9e4066Sahrens 	for (c = 0; c < 256; c++) {
2816c8ee1847SVictor Latushkin 		if (dump_all && !strchr("elAFLRSX", c))
2817fa9e4066Sahrens 			dump_opt[c] = 1;
2818fa9e4066Sahrens 		if (dump_opt[c])
2819fa9e4066Sahrens 			dump_opt[c] += verbose;
2820fa9e4066Sahrens 	}
2821fa9e4066Sahrens 
2822feef89cfSVictor Latushkin 	aok = (dump_opt['A'] == 1) || (dump_opt['A'] > 2);
2823feef89cfSVictor Latushkin 	zfs_recover = (dump_opt['A'] > 1);
2824feef89cfSVictor Latushkin 
2825fa9e4066Sahrens 	argc -= optind;
2826fa9e4066Sahrens 	argv += optind;
2827fa9e4066Sahrens 
282807428bdfSVictor Latushkin 	if (argc < 2 && dump_opt['R'])
282907428bdfSVictor Latushkin 		usage();
2830fa9e4066Sahrens 	if (argc < 1) {
28313ad6c7f9SVictor Latushkin 		if (!dump_opt['e'] && dump_opt['C']) {
2832e829d913Sck 			dump_cachefile(spa_config_path);
2833fa9e4066Sahrens 			return (0);
2834fa9e4066Sahrens 		}
2835fa9e4066Sahrens 		usage();
2836fa9e4066Sahrens 	}
2837fa9e4066Sahrens 
2838fa9e4066Sahrens 	if (dump_opt['l']) {
2839fa9e4066Sahrens 		dump_label(argv[0]);
2840fa9e4066Sahrens 		return (0);
2841fa9e4066Sahrens 	}
2842fa9e4066Sahrens 
2843c8ee1847SVictor Latushkin 	if (dump_opt['X'] || dump_opt['F'])
2844c8ee1847SVictor Latushkin 		rewind = ZPOOL_DO_REWIND |
2845c8ee1847SVictor Latushkin 		    (dump_opt['X'] ? ZPOOL_EXTREME_REWIND : 0);
2846c8ee1847SVictor Latushkin 
2847c8ee1847SVictor Latushkin 	if (nvlist_alloc(&policy, NV_UNIQUE_NAME_TYPE, 0) != 0 ||
2848c8ee1847SVictor Latushkin 	    nvlist_add_uint64(policy, ZPOOL_REWIND_REQUEST_TXG, max_txg) != 0 ||
2849c8ee1847SVictor Latushkin 	    nvlist_add_uint32(policy, ZPOOL_REWIND_REQUEST, rewind) != 0)
2850c8ee1847SVictor Latushkin 		fatal("internal error: %s", strerror(ENOMEM));
2851c8ee1847SVictor Latushkin 
2852c5904d13Seschrock 	error = 0;
28533ad6c7f9SVictor Latushkin 	target = argv[0];
2854990b4856Slling 
28553ad6c7f9SVictor Latushkin 	if (dump_opt['e']) {
28563ad6c7f9SVictor Latushkin 		nvlist_t *cfg = NULL;
28573ad6c7f9SVictor Latushkin 		char *name = find_zpool(&target, &cfg, nsearch, searchdirs);
2858990b4856Slling 
28593ad6c7f9SVictor Latushkin 		error = ENOENT;
28603ad6c7f9SVictor Latushkin 		if (name) {
286107428bdfSVictor Latushkin 			if (dump_opt['C'] > 1) {
286207428bdfSVictor Latushkin 				(void) printf("\nConfiguration for import:\n");
286307428bdfSVictor Latushkin 				dump_nvlist(cfg, 8);
286407428bdfSVictor Latushkin 			}
2865c8ee1847SVictor Latushkin 			if (nvlist_add_nvlist(cfg,
2866468c413aSTim Haley 			    ZPOOL_REWIND_POLICY, policy) != 0) {
2867468c413aSTim Haley 				fatal("can't open '%s': %s",
2868468c413aSTim Haley 				    target, strerror(ENOMEM));
2869468c413aSTim Haley 			}
28703ad6c7f9SVictor Latushkin 			if ((error = spa_import(name, cfg, NULL)) != 0)
28713ad6c7f9SVictor Latushkin 				error = spa_import_verbatim(name, cfg, NULL);
2872de6628f0Sck 		}
2873c5904d13Seschrock 	}
2874c5904d13Seschrock 
2875c5904d13Seschrock 	if (error == 0) {
287607428bdfSVictor Latushkin 		if (strpbrk(target, "/@") == NULL || dump_opt['R']) {
287780eb36f2SGeorge Wilson 			error = spa_open_rewind(target, &spa, FTAG, policy,
287880eb36f2SGeorge Wilson 			    NULL);
28798f18d1faSGeorge Wilson 			if (error) {
28808f18d1faSGeorge Wilson 				/*
28818f18d1faSGeorge Wilson 				 * If we're missing the log device then
28828f18d1faSGeorge Wilson 				 * try opening the pool after clearing the
28838f18d1faSGeorge Wilson 				 * log state.
28848f18d1faSGeorge Wilson 				 */
28858f18d1faSGeorge Wilson 				mutex_enter(&spa_namespace_lock);
28863ad6c7f9SVictor Latushkin 				if ((spa = spa_lookup(target)) != NULL &&
28878f18d1faSGeorge Wilson 				    spa->spa_log_state == SPA_LOG_MISSING) {
28888f18d1faSGeorge Wilson 					spa->spa_log_state = SPA_LOG_CLEAR;
28898f18d1faSGeorge Wilson 					error = 0;
28908f18d1faSGeorge Wilson 				}
28918f18d1faSGeorge Wilson 				mutex_exit(&spa_namespace_lock);
28928f18d1faSGeorge Wilson 
289380eb36f2SGeorge Wilson 				if (!error) {
289480eb36f2SGeorge Wilson 					error = spa_open_rewind(target, &spa,
289580eb36f2SGeorge Wilson 					    FTAG, policy, NULL);
289680eb36f2SGeorge Wilson 				}
28978f18d1faSGeorge Wilson 			}
289807428bdfSVictor Latushkin 		} else {
289907428bdfSVictor Latushkin 			error = dmu_objset_own(target, DMU_OST_ANY,
290007428bdfSVictor Latushkin 			    B_TRUE, FTAG, &os);
2901c5904d13Seschrock 		}
2902fa9e4066Sahrens 	}
290380eb36f2SGeorge Wilson 	nvlist_free(policy);
290480eb36f2SGeorge Wilson 
2905fa9e4066Sahrens 	if (error)
29063ad6c7f9SVictor Latushkin 		fatal("can't open '%s': %s", target, strerror(error));
2907fa9e4066Sahrens 
2908fa9e4066Sahrens 	argv++;
290907428bdfSVictor Latushkin 	argc--;
291007428bdfSVictor Latushkin 	if (!dump_opt['R']) {
291107428bdfSVictor Latushkin 		if (argc > 0) {
291207428bdfSVictor Latushkin 			zopt_objects = argc;
291307428bdfSVictor Latushkin 			zopt_object = calloc(zopt_objects, sizeof (uint64_t));
291407428bdfSVictor Latushkin 			for (i = 0; i < zopt_objects; i++) {
291507428bdfSVictor Latushkin 				errno = 0;
291607428bdfSVictor Latushkin 				zopt_object[i] = strtoull(argv[i], NULL, 0);
291707428bdfSVictor Latushkin 				if (zopt_object[i] == 0 && errno != 0)
291887219db7SVictor Latushkin 					fatal("bad number %s: %s",
291907428bdfSVictor Latushkin 					    argv[i], strerror(errno));
292007428bdfSVictor Latushkin 			}
2921fa9e4066Sahrens 		}
292207428bdfSVictor Latushkin 		(os != NULL) ? dump_dir(os) : dump_zpool(spa);
2923fa9e4066Sahrens 	} else {
292407428bdfSVictor Latushkin 		flagbits['b'] = ZDB_FLAG_PRINT_BLKPTR;
292507428bdfSVictor Latushkin 		flagbits['c'] = ZDB_FLAG_CHECKSUM;
292607428bdfSVictor Latushkin 		flagbits['d'] = ZDB_FLAG_DECOMPRESS;
292707428bdfSVictor Latushkin 		flagbits['e'] = ZDB_FLAG_BSWAP;
292807428bdfSVictor Latushkin 		flagbits['g'] = ZDB_FLAG_GBH;
292907428bdfSVictor Latushkin 		flagbits['i'] = ZDB_FLAG_INDIRECT;
293007428bdfSVictor Latushkin 		flagbits['p'] = ZDB_FLAG_PHYS;
293107428bdfSVictor Latushkin 		flagbits['r'] = ZDB_FLAG_RAW;
293207428bdfSVictor Latushkin 
293307428bdfSVictor Latushkin 		for (i = 0; i < argc; i++)
293407428bdfSVictor Latushkin 			zdb_read_block(argv[i], spa);
2935fa9e4066Sahrens 	}
2936fa9e4066Sahrens 
293707428bdfSVictor Latushkin 	(os != NULL) ? dmu_objset_disown(os, FTAG) : spa_close(spa, FTAG);
293807428bdfSVictor Latushkin 
2939e0d35c44Smarks 	fuid_table_destroy();
2940e0d35c44Smarks 
2941de6628f0Sck 	libzfs_fini(g_zfs);
2942fa9e4066Sahrens 	kernel_fini();
2943fa9e4066Sahrens 
2944fa9e4066Sahrens 	return (0);
2945fa9e4066Sahrens }
2946