| author | eschrock |
| Tue, 30 May 2006 15:47:16 -0700 | |
| changeset 2082 | 76b439ec3ac1 |
| parent 1775 | e51e26b432c0 |
| child 2459 | 7511d9859fcd |
| permissions | -rw-r--r-- |
| 789 | 1 |
/* |
2 |
* CDDL HEADER START |
|
3 |
* |
|
4 |
* The contents of this file are subject to the terms of the |
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| 1544 | 5 |
* Common Development and Distribution License (the "License"). |
6 |
* You may not use this file except in compliance with the License. |
|
| 789 | 7 |
* |
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* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE |
|
9 |
* or http://www.opensolaris.org/os/licensing. |
|
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* See the License for the specific language governing permissions |
|
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* and limitations under the License. |
|
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* |
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* When distributing Covered Code, include this CDDL HEADER in each |
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* file and include the License file at usr/src/OPENSOLARIS.LICENSE. |
|
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* If applicable, add the following below this CDDL HEADER, with the |
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* fields enclosed by brackets "[]" replaced with your own identifying |
|
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* information: Portions Copyright [yyyy] [name of copyright owner] |
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* |
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* CDDL HEADER END |
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*/ |
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/* |
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| 1544 | 22 |
* Copyright 2006 Sun Microsystems, Inc. All rights reserved. |
| 789 | 23 |
* Use is subject to license terms. |
24 |
*/ |
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||
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#pragma ident "%Z%%M% %I% %E% SMI" |
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27 |
||
28 |
#include <mdb/mdb_ctf.h> |
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29 |
#include <sys/zfs_context.h> |
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30 |
#include <sys/mdb_modapi.h> |
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31 |
#include <sys/dbuf.h> |
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32 |
#include <sys/dmu_objset.h> |
|
33 |
#include <sys/dsl_dir.h> |
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34 |
#include <sys/dsl_pool.h> |
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35 |
#include <sys/metaslab_impl.h> |
|
36 |
#include <sys/space_map.h> |
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37 |
#include <sys/list.h> |
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38 |
#include <sys/spa_impl.h> |
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39 |
#include <sys/vdev_impl.h> |
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#include <sys/zio_compress.h> |
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41 |
||
42 |
#ifndef _KERNEL |
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43 |
#include "../genunix/list.h" |
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44 |
#endif |
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45 |
||
46 |
#ifdef _KERNEL |
|
47 |
#define ZFS_OBJ_NAME "zfs" |
|
48 |
#else |
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49 |
#define ZFS_OBJ_NAME "libzpool.so.1" |
|
50 |
#endif |
|
51 |
||
52 |
static char * |
|
53 |
local_strdup(const char *s) |
|
54 |
{
|
|
55 |
char *s1 = mdb_alloc(strlen(s) + 1, UM_SLEEP); |
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56 |
||
57 |
(void) strcpy(s1, s); |
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58 |
return (s1); |
|
59 |
} |
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60 |
||
61 |
static int |
|
62 |
getmember(uintptr_t addr, const char *type, mdb_ctf_id_t *idp, |
|
63 |
const char *member, int len, void *buf) |
|
64 |
{
|
|
65 |
mdb_ctf_id_t id; |
|
66 |
ulong_t off; |
|
67 |
char name[64]; |
|
68 |
||
69 |
if (idp == NULL) {
|
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70 |
if (mdb_ctf_lookup_by_name(type, &id) == -1) {
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mdb_warn("couldn't find type %s", type);
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return (DCMD_ERR); |
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73 |
} |
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idp = &id; |
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75 |
} else {
|
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76 |
type = name; |
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mdb_ctf_type_name(*idp, name, sizeof (name)); |
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} |
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79 |
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80 |
if (mdb_ctf_offsetof(*idp, member, &off) == -1) {
|
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mdb_warn("couldn't find member %s of type %s\n", member, type);
|
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return (DCMD_ERR); |
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} |
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84 |
if (off % 8 != 0) {
|
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mdb_warn("member %s of type %s is unsupported bitfield",
|
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member, type); |
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87 |
return (DCMD_ERR); |
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88 |
} |
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89 |
off /= 8; |
|
90 |
||
91 |
if (mdb_vread(buf, len, addr + off) == -1) {
|
|
92 |
mdb_warn("failed to read %s from %s at %p",
|
|
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member, type, addr + off); |
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return (DCMD_ERR); |
|
95 |
} |
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/* mdb_warn("read %s from %s at %p+%llx\n", member, type, addr, off); */
|
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97 |
||
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return (0); |
|
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} |
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100 |
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101 |
#define GETMEMB(addr, type, member, dest) \ |
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102 |
getmember(addr, #type, NULL, #member, sizeof (dest), &(dest)) |
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103 |
||
104 |
#define GETMEMBID(addr, ctfid, member, dest) \ |
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105 |
getmember(addr, NULL, ctfid, #member, sizeof (dest), &(dest)) |
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106 |
||
107 |
static int |
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108 |
getrefcount(uintptr_t addr, mdb_ctf_id_t *id, |
|
109 |
const char *member, uint64_t *rc) |
|
110 |
{
|
|
111 |
static int gotid; |
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112 |
static mdb_ctf_id_t rc_id; |
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113 |
ulong_t off; |
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114 |
||
115 |
if (!gotid) {
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116 |
if (mdb_ctf_lookup_by_name("struct refcount", &rc_id) == -1) {
|
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117 |
mdb_warn("couldn't find struct refcount");
|
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return (DCMD_ERR); |
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119 |
} |
|
120 |
gotid = TRUE; |
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121 |
} |
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122 |
||
123 |
if (mdb_ctf_offsetof(*id, member, &off) == -1) {
|
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char name[64]; |
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125 |
mdb_ctf_type_name(*id, name, sizeof (name)); |
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126 |
mdb_warn("couldn't find member %s of type %s\n", member, name);
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127 |
return (DCMD_ERR); |
|
128 |
} |
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129 |
off /= 8; |
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130 |
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131 |
return (GETMEMBID(addr + off, &rc_id, rc_count, *rc)); |
|
132 |
} |
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133 |
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134 |
static int |
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135 |
read_symbol(char *sym_name, void **bufp) |
|
136 |
{
|
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GElf_Sym sym; |
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138 |
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139 |
if (mdb_lookup_by_obj(MDB_TGT_OBJ_EVERY, sym_name, &sym)) {
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mdb_warn("can't find symbol %s", sym_name);
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return (DCMD_ERR); |
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} |
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143 |
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*bufp = mdb_alloc(sym.st_size, UM_SLEEP); |
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145 |
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146 |
if (mdb_vread(*bufp, sym.st_size, sym.st_value) == -1) {
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mdb_warn("can't read data for symbol %s", sym_name);
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148 |
mdb_free(*bufp, sym.st_size); |
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return (DCMD_ERR); |
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150 |
} |
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151 |
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return (DCMD_OK); |
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153 |
} |
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154 |
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static int verbose; |
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156 |
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157 |
static int |
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freelist_walk_init(mdb_walk_state_t *wsp) |
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{
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160 |
if (wsp->walk_addr == NULL) {
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mdb_warn("must supply starting address\n");
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return (WALK_ERR); |
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} |
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164 |
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wsp->walk_data = 0; /* Index into the freelist */ |
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return (WALK_NEXT); |
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} |
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168 |
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static int |
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freelist_walk_step(mdb_walk_state_t *wsp) |
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{
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uint64_t entry; |
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uintptr_t number = (uintptr_t)wsp->walk_data; |
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char *ddata[] = { "ALLOC", "FREE", "CONDENSE", "INVALID" };
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int mapshift = SPA_MINBLOCKSHIFT; |
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177 |
if (mdb_vread(&entry, sizeof (entry), wsp->walk_addr) == -1) {
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mdb_warn("failed to read freelist entry %p", wsp->walk_addr);
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return (WALK_DONE); |
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} |
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wsp->walk_addr += sizeof (entry); |
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wsp->walk_data = (void *)(number + 1); |
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183 |
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184 |
if (SM_DEBUG_DECODE(entry)) {
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mdb_printf("DEBUG: %3u %10s: txg=%llu pass=%llu\n",
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number, |
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ddata[SM_DEBUG_ACTION_DECODE(entry)], |
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SM_DEBUG_TXG_DECODE(entry), |
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SM_DEBUG_SYNCPASS_DECODE(entry)); |
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190 |
} else {
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mdb_printf("Entry: %3u offsets=%08llx-%08llx type=%c "
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"size=%06llx", number, |
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SM_OFFSET_DECODE(entry) << mapshift, |
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(SM_OFFSET_DECODE(entry) + SM_RUN_DECODE(entry)) << |
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mapshift, |
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SM_TYPE_DECODE(entry) == SM_ALLOC ? 'A' : 'F', |
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SM_RUN_DECODE(entry) << mapshift); |
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if (verbose) |
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mdb_printf(" (raw=%012llx)\n", entry);
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mdb_printf("\n");
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} |
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return (WALK_NEXT); |
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203 |
} |
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204 |
||
205 |
/* ARGSUSED */ |
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206 |
static void |
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207 |
freelist_walk_fini(mdb_walk_state_t *wsp) |
|
208 |
{
|
|
209 |
} |
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210 |
||
211 |
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212 |
static int |
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213 |
dataset_name(uintptr_t addr, char *buf) |
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214 |
{
|
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215 |
static int gotid; |
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216 |
static mdb_ctf_id_t dd_id; |
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217 |
uintptr_t dd_parent; |
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218 |
char dd_myname[MAXNAMELEN]; |
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219 |
||
220 |
if (!gotid) {
|
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221 |
if (mdb_ctf_lookup_by_name("struct dsl_dir",
|
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&dd_id) == -1) {
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223 |
mdb_warn("couldn't find struct dsl_dir");
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224 |
return (DCMD_ERR); |
|
225 |
} |
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226 |
gotid = TRUE; |
|
227 |
} |
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228 |
if (GETMEMBID(addr, &dd_id, dd_parent, dd_parent) || |
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229 |
GETMEMBID(addr, &dd_id, dd_myname, dd_myname)) {
|
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230 |
return (DCMD_ERR); |
|
231 |
} |
|
232 |
||
233 |
if (dd_parent) {
|
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234 |
if (dataset_name(dd_parent, buf)) |
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235 |
return (DCMD_ERR); |
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236 |
strcat(buf, "/"); |
|
237 |
} |
|
238 |
||
239 |
if (dd_myname[0]) |
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240 |
strcat(buf, dd_myname); |
|
241 |
else |
|
242 |
strcat(buf, "???"); |
|
243 |
||
244 |
return (0); |
|
245 |
} |
|
246 |
||
247 |
static int |
|
248 |
objset_name(uintptr_t addr, char *buf) |
|
249 |
{
|
|
250 |
static int gotid; |
|
251 |
static mdb_ctf_id_t osi_id, ds_id; |
|
252 |
uintptr_t os_dsl_dataset; |
|
253 |
char ds_snapname[MAXNAMELEN]; |
|
254 |
uintptr_t ds_dir; |
|
255 |
||
256 |
buf[0] = '\0'; |
|
257 |
||
258 |
if (!gotid) {
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259 |
if (mdb_ctf_lookup_by_name("struct objset_impl",
|
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260 |
&osi_id) == -1) {
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261 |
mdb_warn("couldn't find struct objset_impl");
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262 |
return (DCMD_ERR); |
|
263 |
} |
|
264 |
if (mdb_ctf_lookup_by_name("struct dsl_dataset",
|
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265 |
&ds_id) == -1) {
|
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266 |
mdb_warn("couldn't find struct dsl_dataset");
|
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267 |
return (DCMD_ERR); |
|
268 |
} |
|
269 |
||
270 |
gotid = TRUE; |
|
271 |
} |
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272 |
||
273 |
if (GETMEMBID(addr, &osi_id, os_dsl_dataset, os_dsl_dataset)) |
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274 |
return (DCMD_ERR); |
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275 |
||
276 |
if (os_dsl_dataset == 0) {
|
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277 |
strcat(buf, "mos"); |
|
278 |
return (0); |
|
279 |
} |
|
280 |
||
281 |
if (GETMEMBID(os_dsl_dataset, &ds_id, ds_snapname, ds_snapname) || |
|
282 |
GETMEMBID(os_dsl_dataset, &ds_id, ds_dir, ds_dir)) {
|
|
283 |
return (DCMD_ERR); |
|
284 |
} |
|
285 |
||
286 |
if (ds_dir && dataset_name(ds_dir, buf)) |
|
287 |
return (DCMD_ERR); |
|
288 |
||
289 |
if (ds_snapname[0]) {
|
|
290 |
strcat(buf, "@"); |
|
291 |
strcat(buf, ds_snapname); |
|
292 |
} |
|
293 |
return (0); |
|
294 |
} |
|
295 |
||
296 |
static void |
|
297 |
enum_lookup(char *out, size_t size, mdb_ctf_id_t id, int val, |
|
298 |
const char *prefix) |
|
299 |
{
|
|
300 |
const char *cp; |
|
301 |
size_t len = strlen(prefix); |
|
302 |
||
303 |
if ((cp = mdb_ctf_enum_name(id, val)) != NULL) {
|
|
304 |
if (strncmp(cp, prefix, len) == 0) |
|
305 |
cp += len; |
|
306 |
(void) strncpy(out, cp, size); |
|
307 |
} else {
|
|
308 |
mdb_snprintf(out, size, "? (%d)", val); |
|
309 |
} |
|
310 |
} |
|
311 |
||
312 |
/* ARGSUSED */ |
|
313 |
static int |
|
314 |
zio_pipeline(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) |
|
315 |
{
|
|
316 |
mdb_ctf_id_t pipe_enum; |
|
317 |
int i; |
|
318 |
char stage[1024]; |
|
319 |
||
320 |
if (mdb_ctf_lookup_by_name("enum zio_stage", &pipe_enum) == -1) {
|
|
321 |
mdb_warn("Could not find enum zio_stage");
|
|
322 |
return (DCMD_ERR); |
|
323 |
} |
|
324 |
||
325 |
for (i = 0; i < 32; i++) {
|
|
326 |
if (addr & (1U << i)) {
|
|
327 |
enum_lookup(stage, sizeof (stage), pipe_enum, i, |
|
328 |
"ZIO_STAGE_"); |
|
329 |
mdb_printf(" %s\n", stage);
|
|
330 |
} |
|
331 |
} |
|
332 |
||
333 |
return (DCMD_OK); |
|
334 |
} |
|
335 |
||
336 |
/* ARGSUSED */ |
|
337 |
static int |
|
338 |
blkptr(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) |
|
339 |
{
|
|
340 |
blkptr_t bp; |
|
341 |
dmu_object_type_info_t *doti; |
|
342 |
zio_compress_info_t *zct; |
|
343 |
zio_checksum_info_t *zci; |
|
344 |
int i; |
|
345 |
char buf[MAXPATHLEN]; |
|
346 |
||
347 |
if (mdb_vread(&bp, sizeof (blkptr_t), addr) == -1) {
|
|
348 |
mdb_warn("failed to read blkptr_t");
|
|
349 |
return (DCMD_ERR); |
|
350 |
} |
|
351 |
||
352 |
if (read_symbol("dmu_ot", (void **)&doti) != DCMD_OK)
|
|
353 |
return (DCMD_ERR); |
|
354 |
for (i = 0; i < DMU_OT_NUMTYPES; i++) {
|
|
355 |
mdb_readstr(buf, sizeof (buf), (uintptr_t)doti[i].ot_name); |
|
356 |
doti[i].ot_name = local_strdup(buf); |
|
357 |
} |
|
358 |
||
359 |
if (read_symbol("zio_checksum_table", (void **)&zci) != DCMD_OK)
|
|
360 |
return (DCMD_ERR); |
|
361 |
for (i = 0; i < ZIO_CHECKSUM_FUNCTIONS; i++) {
|
|
362 |
mdb_readstr(buf, sizeof (buf), (uintptr_t)zci[i].ci_name); |
|
363 |
zci[i].ci_name = local_strdup(buf); |
|
364 |
} |
|
365 |
||
366 |
if (read_symbol("zio_compress_table", (void **)&zct) != DCMD_OK)
|
|
367 |
return (DCMD_ERR); |
|
368 |
for (i = 0; i < ZIO_COMPRESS_FUNCTIONS; i++) {
|
|
369 |
mdb_readstr(buf, sizeof (buf), (uintptr_t)zct[i].ci_name); |
|
370 |
zct[i].ci_name = local_strdup(buf); |
|
371 |
} |
|
372 |
||
|
1775
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1732
diff
changeset
|
373 |
/* |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1732
diff
changeset
|
374 |
* Super-ick warning: This code is also duplicated in |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1732
diff
changeset
|
375 |
* cmd/zdb.c . Yeah, I hate code replication, too. |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1732
diff
changeset
|
376 |
*/ |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1732
diff
changeset
|
377 |
for (i = 0; i < BP_GET_NDVAS(&bp); i++) {
|
| 1732 | 378 |
dva_t *dva = &bp.blk_dva[i]; |
|
1775
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1732
diff
changeset
|
379 |
|
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1732
diff
changeset
|
380 |
mdb_printf("DVA[%d]: vdev_id %lld / %llx\n", i,
|
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1732
diff
changeset
|
381 |
DVA_GET_VDEV(dva), DVA_GET_OFFSET(dva)); |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1732
diff
changeset
|
382 |
mdb_printf("DVA[%d]: GANG: %-5s GRID: %04x\t"
|
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1732
diff
changeset
|
383 |
"ASIZE: %llx\n", i, DVA_GET_GANG(dva) ? "TRUE" : "FALSE", |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1732
diff
changeset
|
384 |
DVA_GET_GRID(dva), DVA_GET_ASIZE(dva)); |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1732
diff
changeset
|
385 |
mdb_printf("DVA[%d]: :%llu:%llx:%llx:%s%s%s%s\n", i,
|
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1732
diff
changeset
|
386 |
DVA_GET_VDEV(dva), DVA_GET_OFFSET(dva), BP_GET_PSIZE(&bp), |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1732
diff
changeset
|
387 |
BP_SHOULD_BYTESWAP(&bp) ? "e" : "", |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1732
diff
changeset
|
388 |
!DVA_GET_GANG(dva) && BP_GET_LEVEL(&bp) != 0 ? "i" : "", |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1732
diff
changeset
|
389 |
DVA_GET_GANG(dva) ? "g" : "", |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1732
diff
changeset
|
390 |
BP_GET_COMPRESS(&bp) != 0 ? "d" : ""); |
| 789 | 391 |
} |
392 |
mdb_printf("LSIZE: %-16llx\t\tPSIZE: %llx\n",
|
|
393 |
BP_GET_LSIZE(&bp), BP_GET_PSIZE(&bp)); |
|
|
1775
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1732
diff
changeset
|
394 |
mdb_printf("ENDIAN: %6s\t\t\t\t\tTYPE: %s\n",
|
| 789 | 395 |
BP_GET_BYTEORDER(&bp) ? "LITTLE" : "BIG", |
396 |
doti[BP_GET_TYPE(&bp)].ot_name); |
|
397 |
mdb_printf("BIRTH: %-16llx LEVEL: %-2d\tFILL: %llx\n",
|
|
398 |
bp.blk_birth, BP_GET_LEVEL(&bp), bp.blk_fill); |
|
399 |
mdb_printf("CKFUNC: %-16s\t\tCOMP: %s\n",
|
|
400 |
zci[BP_GET_CHECKSUM(&bp)].ci_name, |
|
401 |
zct[BP_GET_COMPRESS(&bp)].ci_name); |
|
402 |
mdb_printf("CKSUM: %llx:%llx:%llx:%llx\n",
|
|
403 |
bp.blk_cksum.zc_word[0], |
|
404 |
bp.blk_cksum.zc_word[1], |
|
405 |
bp.blk_cksum.zc_word[2], |
|
406 |
bp.blk_cksum.zc_word[3]); |
|
407 |
||
408 |
return (DCMD_OK); |
|
409 |
} |
|
410 |
||
411 |
/* ARGSUSED */ |
|
412 |
static int |
|
413 |
dbuf(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) |
|
414 |
{
|
|
415 |
mdb_ctf_id_t id; |
|
416 |
dmu_buf_t db; |
|
417 |
uintptr_t objset; |
|
418 |
uint8_t level; |
|
419 |
uint64_t blkid; |
|
420 |
uint64_t holds; |
|
421 |
char objectname[32]; |
|
422 |
char blkidname[32]; |
|
423 |
char path[MAXNAMELEN]; |
|
424 |
||
425 |
if (DCMD_HDRSPEC(flags)) {
|
|
426 |
mdb_printf(" addr object lvl blkid holds os\n");
|
|
427 |
} |
|
428 |
||
429 |
if (mdb_ctf_lookup_by_name("struct dmu_buf_impl", &id) == -1) {
|
|
430 |
mdb_warn("couldn't find struct dmu_buf_impl_t");
|
|
431 |
return (DCMD_ERR); |
|
432 |
} |
|
433 |
||
434 |
if (GETMEMBID(addr, &id, db_objset, objset) || |
|
435 |
GETMEMBID(addr, &id, db, db) || |
|
436 |
GETMEMBID(addr, &id, db_level, level) || |
|
437 |
GETMEMBID(addr, &id, db_blkid, blkid)) {
|
|
438 |
return (WALK_ERR); |
|
439 |
} |
|
440 |
||
441 |
if (getrefcount(addr, &id, "db_holds", &holds)) {
|
|
442 |
return (WALK_ERR); |
|
443 |
} |
|
444 |
||
445 |
if (db.db_object == DMU_META_DNODE_OBJECT) |
|
446 |
(void) strcpy(objectname, "mdn"); |
|
447 |
else |
|
448 |
(void) mdb_snprintf(objectname, sizeof (objectname), "%llx", |
|
449 |
(u_longlong_t)db.db_object); |
|
450 |
||
451 |
if (blkid == DB_BONUS_BLKID) |
|
452 |
(void) strcpy(blkidname, "bonus"); |
|
453 |
else |
|
454 |
(void) mdb_snprintf(blkidname, sizeof (blkidname), "%llx", |
|
455 |
(u_longlong_t)blkid); |
|
456 |
||
457 |
if (objset_name(objset, path)) {
|
|
458 |
return (WALK_ERR); |
|
459 |
} |
|
460 |
||
461 |
mdb_printf("%p %8s %1u %9s %2llu %s\n",
|
|
462 |
addr, objectname, level, blkidname, holds, path); |
|
463 |
||
464 |
return (DCMD_OK); |
|
465 |
} |
|
466 |
||
467 |
/* ARGSUSED */ |
|
468 |
static int |
|
469 |
dbuf_stats(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) |
|
470 |
{
|
|
471 |
#define HISTOSZ 32 |
|
472 |
uintptr_t dbp; |
|
473 |
dmu_buf_impl_t db; |
|
474 |
dbuf_hash_table_t ht; |
|
475 |
uint64_t bucket, ndbufs; |
|
476 |
uint64_t histo[HISTOSZ]; |
|
477 |
uint64_t histo2[HISTOSZ]; |
|
478 |
int i, maxidx; |
|
479 |
||
480 |
if (mdb_readvar(&ht, "dbuf_hash_table") == -1) {
|
|
481 |
mdb_warn("failed to read 'dbuf_hash_table'");
|
|
482 |
return (DCMD_ERR); |
|
483 |
} |
|
484 |
||
485 |
for (i = 0; i < HISTOSZ; i++) {
|
|
486 |
histo[i] = 0; |
|
487 |
histo2[i] = 0; |
|
488 |
} |
|
489 |
||
490 |
ndbufs = 0; |
|
491 |
for (bucket = 0; bucket < ht.hash_table_mask+1; bucket++) {
|
|
492 |
int len; |
|
493 |
||
494 |
if (mdb_vread(&dbp, sizeof (void *), |
|
495 |
(uintptr_t)(ht.hash_table+bucket)) == -1) {
|
|
496 |
mdb_warn("failed to read hash bucket %u at %p",
|
|
497 |
bucket, ht.hash_table+bucket); |
|
498 |
return (DCMD_ERR); |
|
499 |
} |
|
500 |
||
501 |
len = 0; |
|
502 |
while (dbp != 0) {
|
|
503 |
if (mdb_vread(&db, sizeof (dmu_buf_impl_t), |
|
504 |
dbp) == -1) {
|
|
505 |
mdb_warn("failed to read dbuf at %p", dbp);
|
|
506 |
return (DCMD_ERR); |
|
507 |
} |
|
508 |
dbp = (uintptr_t)db.db_hash_next; |
|
509 |
for (i = MIN(len, HISTOSZ - 1); i >= 0; i--) |
|
510 |
histo2[i]++; |
|
511 |
len++; |
|
512 |
ndbufs++; |
|
513 |
} |
|
514 |
||
515 |
if (len >= HISTOSZ) |
|
516 |
len = HISTOSZ-1; |
|
517 |
histo[len]++; |
|
518 |
} |
|
519 |
||
520 |
mdb_printf("hash table has %llu buckets, %llu dbufs "
|
|
521 |
"(avg %llu buckets/dbuf)\n", |
|
522 |
ht.hash_table_mask+1, ndbufs, |
|
523 |
(ht.hash_table_mask+1)/ndbufs); |
|
524 |
||
525 |
mdb_printf("\n");
|
|
526 |
maxidx = 0; |
|
527 |
for (i = 0; i < HISTOSZ; i++) |
|
528 |
if (histo[i] > 0) |
|
529 |
maxidx = i; |
|
530 |
mdb_printf("hash chain length number of buckets\n");
|
|
531 |
for (i = 0; i <= maxidx; i++) |
|
532 |
mdb_printf("%u %llu\n", i, histo[i]);
|
|
533 |
||
534 |
mdb_printf("\n");
|
|
535 |
maxidx = 0; |
|
536 |
for (i = 0; i < HISTOSZ; i++) |
|
537 |
if (histo2[i] > 0) |
|
538 |
maxidx = i; |
|
539 |
mdb_printf("hash chain depth number of dbufs\n");
|
|
540 |
for (i = 0; i <= maxidx; i++) |
|
541 |
mdb_printf("%u or more %llu %llu%%\n",
|
|
542 |
i, histo2[i], histo2[i]*100/ndbufs); |
|
543 |
||
544 |
||
545 |
return (DCMD_OK); |
|
546 |
} |
|
547 |
||
548 |
typedef struct dbufs_data {
|
|
549 |
mdb_ctf_id_t id; |
|
550 |
uint64_t objset; |
|
551 |
uint64_t object; |
|
552 |
uint64_t level; |
|
553 |
uint64_t blkid; |
|
554 |
char *osname; |
|
555 |
} dbufs_data_t; |
|
556 |
||
557 |
#define DBUFS_UNSET (0xbaddcafedeadbeefULL) |
|
558 |
||
559 |
/* ARGSUSED */ |
|
560 |
static int |
|
561 |
dbufs_cb(uintptr_t addr, const void *unknown, void *arg) |
|
562 |
{
|
|
563 |
dbufs_data_t *data = arg; |
|
564 |
uintptr_t objset; |
|
565 |
dmu_buf_t db; |
|
566 |
uint8_t level; |
|
567 |
uint64_t blkid; |
|
568 |
char osname[MAXNAMELEN]; |
|
569 |
||
570 |
if (GETMEMBID(addr, &data->id, db_objset, objset) || |
|
571 |
GETMEMBID(addr, &data->id, db, db) || |
|
572 |
GETMEMBID(addr, &data->id, db_level, level) || |
|
573 |
GETMEMBID(addr, &data->id, db_blkid, blkid)) {
|
|
574 |
return (WALK_ERR); |
|
575 |
} |
|
576 |
||
577 |
if ((data->objset == DBUFS_UNSET || data->objset == objset) && |
|
578 |
(data->osname == NULL || (objset_name(objset, osname) == 0 && |
|
579 |
strcmp(data->osname, osname) == 0)) && |
|
580 |
(data->object == DBUFS_UNSET || data->object == db.db_object) && |
|
581 |
(data->level == DBUFS_UNSET || data->level == level) && |
|
582 |
(data->blkid == DBUFS_UNSET || data->blkid == blkid)) {
|
|
583 |
mdb_printf("%#lr\n", addr);
|
|
584 |
} |
|
585 |
return (WALK_NEXT); |
|
586 |
} |
|
587 |
||
588 |
/* ARGSUSED */ |
|
589 |
static int |
|
590 |
dbufs(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) |
|
591 |
{
|
|
592 |
dbufs_data_t data; |
|
593 |
char *object = NULL; |
|
594 |
char *blkid = NULL; |
|
595 |
||
596 |
data.objset = data.object = data.level = data.blkid = DBUFS_UNSET; |
|
597 |
data.osname = NULL; |
|
598 |
||
599 |
if (mdb_getopts(argc, argv, |
|
600 |
'O', MDB_OPT_UINT64, &data.objset, |
|
601 |
'n', MDB_OPT_STR, &data.osname, |
|
602 |
'o', MDB_OPT_STR, &object, |
|
603 |
'l', MDB_OPT_UINT64, &data.level, |
|
604 |
'b', MDB_OPT_STR, &blkid) != argc) {
|
|
605 |
return (DCMD_USAGE); |
|
606 |
} |
|
607 |
||
608 |
if (object) {
|
|
609 |
if (strcmp(object, "mdn") == 0) {
|
|
610 |
data.object = DMU_META_DNODE_OBJECT; |
|
611 |
} else {
|
|
612 |
data.object = mdb_strtoull(object); |
|
613 |
} |
|
614 |
} |
|
615 |
||
616 |
if (blkid) {
|
|
617 |
if (strcmp(blkid, "bonus") == 0) {
|
|
618 |
data.blkid = DB_BONUS_BLKID; |
|
619 |
} else {
|
|
620 |
data.blkid = mdb_strtoull(blkid); |
|
621 |
} |
|
622 |
} |
|
623 |
||
624 |
if (mdb_ctf_lookup_by_name("struct dmu_buf_impl", &data.id) == -1) {
|
|
625 |
mdb_warn("couldn't find struct dmu_buf_impl_t");
|
|
626 |
return (DCMD_ERR); |
|
627 |
} |
|
628 |
||
| 2082 | 629 |
if (mdb_pwalk("dmu_buf_impl_t", dbufs_cb, &data, 0) != 0) {
|
| 789 | 630 |
mdb_warn("can't walk dbufs");
|
631 |
return (DCMD_ERR); |
|
632 |
} |
|
633 |
||
634 |
return (DCMD_OK); |
|
635 |
} |
|
636 |
||
637 |
typedef struct abuf_find_data {
|
|
638 |
dva_t dva; |
|
639 |
mdb_ctf_id_t id; |
|
640 |
} abuf_find_data_t; |
|
641 |
||
642 |
/* ARGSUSED */ |
|
643 |
static int |
|
644 |
abuf_find_cb(uintptr_t addr, const void *unknown, void *arg) |
|
645 |
{
|
|
646 |
abuf_find_data_t *data = arg; |
|
647 |
dva_t dva; |
|
648 |
||
649 |
if (GETMEMBID(addr, &data->id, b_dva, dva)) {
|
|
650 |
return (WALK_ERR); |
|
651 |
} |
|
652 |
||
653 |
if (dva.dva_word[0] == data->dva.dva_word[0] && |
|
654 |
dva.dva_word[1] == data->dva.dva_word[1]) {
|
|
655 |
mdb_printf("%#lr\n", addr);
|
|
656 |
} |
|
657 |
return (WALK_NEXT); |
|
658 |
} |
|
659 |
||
660 |
/* ARGSUSED */ |
|
661 |
static int |
|
662 |
abuf_find(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) |
|
663 |
{
|
|
664 |
abuf_find_data_t data; |
|
665 |
GElf_Sym sym; |
|
666 |
int i; |
|
667 |
const char *syms[] = {
|
|
668 |
"ARC_mru_top", |
|
669 |
"ARC_mru_bot", |
|
670 |
"ARC_mfu_top", |
|
671 |
"ARC_mfu_bot", |
|
672 |
}; |
|
673 |
||
674 |
if (argc != 2) |
|
675 |
return (DCMD_USAGE); |
|
676 |
||
677 |
for (i = 0; i < 2; i ++) {
|
|
678 |
switch (argv[i].a_type) {
|
|
679 |
case MDB_TYPE_STRING: |
|
680 |
data.dva.dva_word[i] = mdb_strtoull(argv[i].a_un.a_str); |
|
681 |
break; |
|
682 |
case MDB_TYPE_IMMEDIATE: |
|
683 |
data.dva.dva_word[i] = argv[i].a_un.a_val; |
|
684 |
break; |
|
685 |
default: |
|
686 |
return (DCMD_USAGE); |
|
687 |
} |
|
688 |
} |
|
689 |
||
690 |
if (mdb_ctf_lookup_by_name("struct arc_buf_hdr", &data.id) == -1) {
|
|
691 |
mdb_warn("couldn't find struct arc_buf_hdr");
|
|
692 |
return (DCMD_ERR); |
|
693 |
} |
|
694 |
||
695 |
for (i = 0; i < sizeof (syms) / sizeof (syms[0]); i++) {
|
|
696 |
if (mdb_lookup_by_name(syms[i], &sym)) {
|
|
697 |
mdb_warn("can't find symbol %s", syms[i]);
|
|
698 |
return (DCMD_ERR); |
|
699 |
} |
|
700 |
||
701 |
if (mdb_pwalk("list", abuf_find_cb, &data, sym.st_value) != 0) {
|
|
702 |
mdb_warn("can't walk %s", syms[i]);
|
|
703 |
return (DCMD_ERR); |
|
704 |
} |
|
705 |
} |
|
706 |
||
707 |
return (DCMD_OK); |
|
708 |
} |
|
709 |
||
710 |
void |
|
711 |
abuf_help(void) |
|
712 |
{
|
|
713 |
mdb_printf("::abuf_find dva_word[0] dva_word[1]\n");
|
|
714 |
} |
|
715 |
||
716 |
/* |
|
717 |
* ::spa |
|
718 |
* |
|
719 |
* -c Print configuration information as well |
|
720 |
* -v Print vdev state |
|
721 |
* -e Print vdev error stats |
|
722 |
* |
|
723 |
* Print a summarized spa_t. When given no arguments, prints out a table of all |
|
724 |
* active pools on the system. |
|
725 |
*/ |
|
726 |
/* ARGSUSED */ |
|
727 |
static int |
|
728 |
spa_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) |
|
729 |
{
|
|
730 |
spa_t spa; |
|
731 |
char poolname[MAXNAMELEN]; |
|
732 |
const char *statetab[] = { "ACTIVE", "EXPORTED", "DESTROYED",
|
|
733 |
"UNINIT", "UNAVAIL" }; |
|
734 |
const char *state; |
|
735 |
int config = FALSE; |
|
736 |
int vdevs = FALSE; |
|
737 |
int errors = FALSE; |
|
738 |
||
739 |
if (mdb_getopts(argc, argv, |
|
740 |
'c', MDB_OPT_SETBITS, TRUE, &config, |
|
741 |
'v', MDB_OPT_SETBITS, TRUE, &vdevs, |
|
742 |
'e', MDB_OPT_SETBITS, TRUE, &errors, |
|
743 |
NULL) != argc) |
|
744 |
return (DCMD_USAGE); |
|
745 |
||
746 |
if (!(flags & DCMD_ADDRSPEC)) {
|
|
747 |
if (mdb_walk_dcmd("spa", "spa", argc, argv) == -1) {
|
|
748 |
mdb_warn("can't walk spa");
|
|
749 |
return (DCMD_ERR); |
|
750 |
} |
|
751 |
||
752 |
return (DCMD_OK); |
|
753 |
} |
|
754 |
||
755 |
if (flags & DCMD_PIPE_OUT) {
|
|
756 |
mdb_printf("%#lr\n", addr);
|
|
757 |
return (DCMD_OK); |
|
758 |
} |
|
759 |
||
760 |
if (DCMD_HDRSPEC(flags)) |
|
761 |
mdb_printf("%<u>%-?s %9s %-*s%</u>\n", "ADDR", "STATE",
|
|
762 |
sizeof (uintptr_t) == 4 ? 60 : 52, "NAME"); |
|
763 |
||
764 |
if (mdb_vread(&spa, sizeof (spa), addr) == -1) {
|
|
765 |
mdb_warn("failed to read spa_t at %p", addr);
|
|
766 |
return (DCMD_ERR); |
|
767 |
} |
|
768 |
||
769 |
if (mdb_readstr(poolname, sizeof (poolname), (uintptr_t)spa.spa_name) |
|
770 |
== -1) {
|
|
771 |
mdb_warn("failed to read pool name at %p", spa.spa_name);
|
|
772 |
return (DCMD_ERR); |
|
773 |
} |
|
774 |
||
775 |
if (spa.spa_state < 0 || spa.spa_state > POOL_STATE_UNAVAIL) |
|
| 1544 | 776 |
state = "UNKNOWN"; |
| 789 | 777 |
else |
778 |
state = statetab[spa.spa_state]; |
|
779 |
||
780 |
mdb_printf("%0?p %9s %s\n", addr, state, poolname);
|
|
781 |
||
782 |
if (config) {
|
|
783 |
mdb_printf("\n");
|
|
784 |
mdb_inc_indent(4); |
|
785 |
if (mdb_call_dcmd("spa_config", addr, flags, 0,
|
|
786 |
NULL) != DCMD_OK) |
|
787 |
return (DCMD_ERR); |
|
788 |
mdb_dec_indent(4); |
|
789 |
} |
|
790 |
||
791 |
if (vdevs || errors) {
|
|
792 |
mdb_arg_t v; |
|
793 |
||
794 |
v.a_type = MDB_TYPE_STRING; |
|
795 |
v.a_un.a_str = "-e"; |
|
796 |
||
797 |
mdb_printf("\n");
|
|
798 |
mdb_inc_indent(4); |
|
799 |
if (mdb_call_dcmd("spa_vdevs", addr, flags, errors ? 1 : 0,
|
|
800 |
&v) != DCMD_OK) |
|
801 |
return (DCMD_ERR); |
|
802 |
mdb_dec_indent(4); |
|
803 |
} |
|
804 |
||
805 |
return (DCMD_OK); |
|
806 |
} |
|
807 |
||
808 |
/* |
|
809 |
* ::spa_config |
|
810 |
* |
|
811 |
* Given a spa_t, print the configuration information stored in spa_config. |
|
812 |
* Since it's just an nvlist, format it as an indented list of name=value pairs. |
|
813 |
* We simply read the value of spa_config and pass off to ::nvlist. |
|
814 |
*/ |
|
815 |
/* ARGSUSED */ |
|
816 |
static int |
|
817 |
spa_print_config(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) |
|
818 |
{
|
|
819 |
spa_t spa; |
|
820 |
||
821 |
if (argc != 0 || !(flags & DCMD_ADDRSPEC)) |
|
822 |
return (DCMD_USAGE); |
|
823 |
||
824 |
if (mdb_vread(&spa, sizeof (spa), addr) == -1) {
|
|
825 |
mdb_warn("failed to read spa_t at %p", addr);
|
|
826 |
return (DCMD_ERR); |
|
827 |
} |
|
828 |
||
829 |
if (spa.spa_config == NULL) {
|
|
830 |
mdb_printf("(none)\n");
|
|
831 |
return (DCMD_OK); |
|
832 |
} |
|
833 |
||
834 |
return (mdb_call_dcmd("nvlist", (uintptr_t)spa.spa_config, flags,
|
|
835 |
0, NULL)); |
|
836 |
} |
|
837 |
||
838 |
void |
|
839 |
vdev_help(void) |
|
840 |
{
|
|
841 |
mdb_printf("[vdev_t*]::vdev [-qr]\n"
|
|
842 |
"\t-> -q display vdev_queue parameters\n" |
|
843 |
"\t-> -r recursive (visit all children)\n"); |
|
844 |
} |
|
845 |
||
846 |
/* |
|
847 |
* ::vdev |
|
848 |
* |
|
849 |
* Print out a summarized vdev_t, in the following form: |
|
850 |
* |
|
851 |
* ADDR STATE AUX DESC |
|
852 |
* fffffffbcde23df0 HEALTHY - /dev/dsk/c0t0d0 |
|
853 |
* |
|
854 |
* or with "-q" to print out a vdev_t's vdev_queue parameters: |
|
855 |
* |
|
856 |
* vdev_t: c26ae4c0 |
|
857 |
* c26ae73c min pending 0x2 |
|
858 |
* c26ae744 max pending 0x23 |
|
859 |
* c26ae74c agg limit 0x20000 |
|
860 |
* c26ae754 time shift 0x4 |
|
861 |
* c26ae75c ramp rate 0x2 |
|
862 |
* |
|
863 |
* If '-r' is specified, recursively visit all children. |
|
864 |
* |
|
865 |
* With '-e', the statistics associated with the vdev are printed as well. |
|
866 |
*/ |
|
867 |
static int |
|
868 |
do_print_vdev(uintptr_t addr, int flags, int depth, int queue, int stats, |
|
869 |
int recursive) |
|
870 |
{
|
|
871 |
vdev_t vdev; |
|
872 |
char desc[MAXNAMELEN]; |
|
873 |
int c, children; |
|
874 |
uintptr_t *child; |
|
875 |
const char *state, *aux; |
|
876 |
||
877 |
if (mdb_vread(&vdev, sizeof (vdev), (uintptr_t)addr) == -1) {
|
|
878 |
mdb_warn("failed to read vdev_t at %p\n", (uintptr_t)addr);
|
|
879 |
return (DCMD_ERR); |
|
880 |
} |
|
881 |
||
882 |
if (flags & DCMD_PIPE_OUT) {
|
|
883 |
mdb_printf("%#lr", addr);
|
|
884 |
} else {
|
|
885 |
if (vdev.vdev_path != NULL) {
|
|
886 |
if (mdb_readstr(desc, sizeof (desc), |
|
887 |
(uintptr_t)vdev.vdev_path) == -1) {
|
|
888 |
mdb_warn("failed to read vdev_path at %p\n",
|
|
889 |
vdev.vdev_path); |
|
890 |
return (DCMD_ERR); |
|
891 |
} |
|
892 |
} else if (vdev.vdev_ops != NULL) {
|
|
893 |
vdev_ops_t ops; |
|
894 |
if (mdb_vread(&ops, sizeof (ops), |
|
895 |
(uintptr_t)vdev.vdev_ops) == -1) {
|
|
896 |
mdb_warn("failed to read vdev_ops at %p\n",
|
|
897 |
vdev.vdev_ops); |
|
898 |
return (DCMD_ERR); |
|
899 |
} |
|
900 |
(void) strcpy(desc, ops.vdev_op_type); |
|
901 |
} else {
|
|
902 |
(void) strcpy(desc, "<unknown>"); |
|
903 |
} |
|
904 |
||
905 |
if (depth == 0 && DCMD_HDRSPEC(flags)) |
|
906 |
mdb_printf("%<u>%-?s %-9s %-12s %-*s%</u>\n",
|
|
907 |
"ADDR", "STATE", "AUX", |
|
908 |
sizeof (uintptr_t) == 4 ? 43 : 35, |
|
909 |
"DESCRIPTION"); |
|
910 |
||
911 |
mdb_printf("%0?p ", addr);
|
|
912 |
||
913 |
switch (vdev.vdev_state) {
|
|
914 |
case VDEV_STATE_CLOSED: |
|
915 |
state = "CLOSED"; |
|
916 |
break; |
|
917 |
case VDEV_STATE_OFFLINE: |
|
918 |
state = "OFFLINE"; |
|
919 |
break; |
|
920 |
case VDEV_STATE_CANT_OPEN: |
|
921 |
state = "CANT_OPEN"; |
|
922 |
break; |
|
923 |
case VDEV_STATE_DEGRADED: |
|
924 |
state = "DEGRADED"; |
|
925 |
break; |
|
926 |
case VDEV_STATE_HEALTHY: |
|
927 |
state = "HEALTHY"; |
|
928 |
break; |
|
929 |
default: |
|
930 |
state = "UNKNOWN"; |
|
931 |
break; |
|
932 |
} |
|
933 |
||
934 |
switch (vdev.vdev_stat.vs_aux) {
|
|
935 |
case VDEV_AUX_NONE: |
|
936 |
aux = "-"; |
|
937 |
break; |
|
938 |
case VDEV_AUX_OPEN_FAILED: |
|
939 |
aux = "OPEN_FAILED"; |
|
940 |
break; |
|
941 |
case VDEV_AUX_CORRUPT_DATA: |
|
942 |
aux = "CORRUPT_DATA"; |
|
943 |
break; |
|
944 |
case VDEV_AUX_NO_REPLICAS: |
|
945 |
aux = "NO_REPLICAS"; |
|
946 |
break; |
|
947 |
case VDEV_AUX_BAD_GUID_SUM: |
|
948 |
aux = "BAD_GUID_SUM"; |
|
949 |
break; |
|
950 |
case VDEV_AUX_TOO_SMALL: |
|
951 |
aux = "TOO_SMALL"; |
|
952 |
break; |
|
953 |
case VDEV_AUX_BAD_LABEL: |
|
954 |
aux = "BAD_LABEL"; |
|
955 |
break; |
|
956 |
default: |
|
957 |
aux = "UNKNOWN"; |
|
958 |
break; |
|
959 |
} |
|
960 |
||
961 |
mdb_printf("%-9s %-12s %*s%s\n", state, aux, depth, "", desc);
|
|
962 |
||
963 |
if (queue) {
|
|
964 |
mdb_inc_indent(4); |
|
965 |
mdb_printf("\n");
|
|
966 |
mdb_printf("%p min pending 0x%llx\n",
|
|
967 |
(uintptr_t)(addr + offsetof(vdev_t, |
|
968 |
vdev_queue.vq_min_pending)), |
|
969 |
vdev.vdev_queue.vq_min_pending); |
|
970 |
mdb_printf("%p max pending 0x%llx\n",
|
|
971 |
(uintptr_t)(addr + offsetof(vdev_t, |
|
972 |
vdev_queue.vq_max_pending)), |
|
973 |
vdev.vdev_queue.vq_max_pending); |
|
974 |
mdb_printf("%p agg limit 0x%llx\n",
|
|
975 |
(uintptr_t)(addr + offsetof(vdev_t, |
|
976 |
vdev_queue.vq_agg_limit)), |
|
977 |
vdev.vdev_queue.vq_agg_limit); |
|
978 |
mdb_printf("%p time shift 0x%llx\n",
|
|
979 |
(uintptr_t)(addr + offsetof(vdev_t, |
|
980 |
vdev_queue.vq_time_shift)), |
|
981 |
vdev.vdev_queue.vq_time_shift); |
|
982 |
mdb_printf("%p ramp rate 0x%llx\n",
|
|
983 |
(uintptr_t)(addr + offsetof(vdev_t, |
|
984 |
vdev_queue.vq_ramp_rate)), |
|
985 |
vdev.vdev_queue.vq_ramp_rate); |
|
986 |
mdb_dec_indent(4); |
|
987 |
} |
|
988 |
||
989 |
if (stats) {
|
|
990 |
vdev_stat_t *vs = &vdev.vdev_stat; |
|
991 |
int i; |
|
992 |
||
993 |
mdb_inc_indent(4); |
|
994 |
mdb_printf("\n");
|
|
995 |
mdb_printf("%<u> %12s %12s %12s %12s "
|
|
996 |
"%12s%</u>\n", "READ", "WRITE", "FREE", "CLAIM", |
|
997 |
"IOCTL"); |
|
998 |
mdb_printf("OPS ");
|
|
999 |
for (i = 1; i < ZIO_TYPES; i++) |
|
1000 |
mdb_printf("%11#llx%s", vs->vs_ops[i],
|
|
1001 |
i == ZIO_TYPES - 1 ? "" : " "); |
|
1002 |
mdb_printf("\n");
|
|
1003 |
mdb_printf("BYTES ");
|
|
1004 |
for (i = 1; i < ZIO_TYPES; i++) |
|
1005 |
mdb_printf("%11#llx%s", vs->vs_bytes[i],
|
|
1006 |
i == ZIO_TYPES - 1 ? "" : " "); |
|
1007 |
||
1008 |
||
1009 |
mdb_printf("\n");
|
|
1010 |
mdb_printf("EREAD %10#llx\n", vs->vs_read_errors);
|
|
1011 |
mdb_printf("EWRITE %10#llx\n", vs->vs_write_errors);
|
|
1012 |
mdb_printf("ECKSUM %10#llx\n",
|
|
1013 |
vs->vs_checksum_errors); |
|
1014 |
mdb_dec_indent(4); |
|
1015 |
} |
|
1016 |
||
1017 |
if (queue || stats) |
|
1018 |
mdb_printf("\n");
|
|
1019 |
} |
|
1020 |
||
1021 |
children = vdev.vdev_children; |
|
1022 |
||
1023 |
if (children == 0 || !recursive) |
|
1024 |
return (DCMD_OK); |
|
1025 |
||
1026 |
child = mdb_alloc(children * sizeof (void *), UM_SLEEP | UM_GC); |
|
1027 |
if (mdb_vread(child, children * sizeof (void *), |
|
1028 |
(uintptr_t)vdev.vdev_child) == -1) {
|
|
1029 |
mdb_warn("failed to read vdev children at %p", vdev.vdev_child);
|
|
1030 |
return (DCMD_ERR); |
|
1031 |
} |
|
1032 |
||
1033 |
for (c = 0; c < children; c++) {
|
|
1034 |
if (do_print_vdev(child[c], flags, depth + 2, queue, stats, |
|
1035 |
recursive)) |
|
1036 |
return (DCMD_ERR); |
|
1037 |
} |
|
1038 |
||
1039 |
return (DCMD_OK); |
|
1040 |
} |
|
1041 |
||
1042 |
static int |
|
1043 |
vdev_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) |
|
1044 |
{
|
|
1045 |
int print_queue = FALSE; |
|
1046 |
int recursive = FALSE; |
|
1047 |
int stats = FALSE; |
|
1048 |
||
1049 |
if (mdb_getopts(argc, argv, |
|
1050 |
'q', MDB_OPT_SETBITS, TRUE, &print_queue, |
|
1051 |
'r', MDB_OPT_SETBITS, TRUE, &recursive, |
|
1052 |
'e', MDB_OPT_SETBITS, TRUE, &stats, |
|
1053 |
NULL) != argc) |
|
1054 |
return (DCMD_USAGE); |
|
1055 |
||
1056 |
if (!(flags & DCMD_ADDRSPEC)) {
|
|
1057 |
mdb_warn("no vdev_t address given\n");
|
|
1058 |
return (DCMD_ERR); |
|
1059 |
} |
|
1060 |
||
1061 |
return (do_print_vdev(addr, flags, 0, print_queue, stats, recursive)); |
|
1062 |
} |
|
1063 |
||
1064 |
typedef struct mdb_spa {
|
|
1065 |
uintptr_t spa_dsl_pool; |
|
1066 |
uintptr_t spa_root_vdev; |
|
1067 |
} mdb_spa_t; |
|
1068 |
||
1069 |
typedef struct mdb_dsl_dir {
|
|
1070 |
uintptr_t dd_phys; |
|
1071 |
uint64_t dd_used_bytes; |
|
1072 |
int64_t dd_space_towrite[TXG_SIZE]; |
|
1073 |
} mdb_dsl_dir_t; |
|
1074 |
||
1075 |
typedef struct mdb_dsl_dir_phys {
|
|
1076 |
uint64_t dd_used_bytes; |
|
1077 |
uint64_t dd_compressed_bytes; |
|
1078 |
uint64_t dd_uncompressed_bytes; |
|
1079 |
} mdb_dsl_dir_phys_t; |
|
1080 |
||
1081 |
typedef struct mdb_vdev {
|
|
1082 |
uintptr_t vdev_parent; |
|
1083 |
uintptr_t vdev_ms; |
|
1084 |
uint64_t vdev_ms_count; |
|
1085 |
vdev_stat_t vdev_stat; |
|
1086 |
} mdb_vdev_t; |
|
1087 |
||
1088 |
typedef struct mdb_metaslab {
|
|
1089 |
space_map_t ms_allocmap[TXG_SIZE]; |
|
1090 |
space_map_t ms_freemap[TXG_SIZE]; |
|
1091 |
space_map_t ms_map; |
|
| 1732 | 1092 |
space_map_obj_t ms_smo; |
| 789 | 1093 |
} mdb_metaslab_t; |
1094 |
||
1095 |
/* |
|
1096 |
* ::spa_space [-b] |
|
1097 |
* |
|
1098 |
* Given a spa_t, print out it's on-disk space usage and in-core |
|
1099 |
* estimates of future usage. If -b is given, print space in bytes. |
|
1100 |
* Otherwise print in megabytes. |
|
1101 |
*/ |
|
1102 |
/* ARGSUSED */ |
|
1103 |
static int |
|
1104 |
spa_space(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) |
|
1105 |
{
|
|
1106 |
mdb_spa_t spa; |
|
1107 |
uintptr_t dp_root_dir; |
|
1108 |
mdb_dsl_dir_t dd; |
|
1109 |
mdb_dsl_dir_phys_t dsp; |
|
1110 |
uint64_t children; |
|
1111 |
uintptr_t childaddr; |
|
1112 |
uintptr_t *child; |
|
1113 |
uint64_t ms_allocmap[TXG_SIZE] = {0, 0, 0, 0};
|
|
1114 |
uint64_t ms_freemap[TXG_SIZE] = {0, 0, 0, 0};
|
|
1115 |
uint64_t ms_map = 0; |
|
| 1732 | 1116 |
uint64_t avail = 0; |
| 789 | 1117 |
int i, j; |
1118 |
int havecompressed = TRUE; |
|
1119 |
int shift = 20; |
|
1120 |
char *suffix = "M"; |
|
1121 |
int bits = FALSE; |
|
1122 |
||
1123 |
if (mdb_getopts(argc, argv, 'b', MDB_OPT_SETBITS, TRUE, &bits, NULL) != |
|
1124 |
argc) |
|
1125 |
return (DCMD_USAGE); |
|
1126 |
if (!(flags & DCMD_ADDRSPEC)) |
|
1127 |
return (DCMD_USAGE); |
|
1128 |
||
1129 |
if (bits) {
|
|
1130 |
shift = 0; |
|
1131 |
suffix = ""; |
|
1132 |
} |
|
1133 |
||
1134 |
if (GETMEMB(addr, struct spa, spa_dsl_pool, spa.spa_dsl_pool) || |
|
1135 |
GETMEMB(addr, struct spa, spa_root_vdev, spa.spa_root_vdev) || |
|
1136 |
GETMEMB(spa.spa_root_vdev, struct vdev, vdev_children, children) || |
|
1137 |
GETMEMB(spa.spa_root_vdev, struct vdev, vdev_child, childaddr) || |
|
1138 |
GETMEMB(spa.spa_dsl_pool, struct dsl_pool, |
|
1139 |
dp_root_dir, dp_root_dir) || |
|
1140 |
GETMEMB(dp_root_dir, struct dsl_dir, dd_phys, dd.dd_phys) || |
|
1141 |
GETMEMB(dp_root_dir, struct dsl_dir, |
|
1142 |
dd_used_bytes, dd.dd_used_bytes) || |
|
1143 |
GETMEMB(dp_root_dir, struct dsl_dir, |
|
1144 |
dd_space_towrite, dd.dd_space_towrite) || |
|
1145 |
GETMEMB(dd.dd_phys, struct dsl_dir_phys, |
|
1146 |
dd_used_bytes, dsp.dd_used_bytes)) {
|
|
1147 |
return (DCMD_ERR); |
|
1148 |
} |
|
1149 |
||
1150 |
if (GETMEMB(dd.dd_phys, struct dsl_dir_phys, |
|
1151 |
dd_compressed_bytes, dsp.dd_compressed_bytes) || |
|
1152 |
GETMEMB(dd.dd_phys, struct dsl_dir_phys, |
|
1153 |
dd_uncompressed_bytes, dsp.dd_uncompressed_bytes)) {
|
|
1154 |
havecompressed = FALSE; |
|
1155 |
} |
|
1156 |
||
1157 |
child = mdb_alloc(children * sizeof (void *), UM_SLEEP | UM_GC); |
|
1158 |
if (mdb_vread(child, children * sizeof (void *), childaddr) == -1) {
|
|
1159 |
mdb_warn("failed to read root vdev children at %p", childaddr);
|
|
1160 |
return (DCMD_ERR); |
|
1161 |
} |
|
1162 |
||
1163 |
mdb_printf("dd_space_towrite = %llu%s %llu%s %llu%s %llu%s\n",
|
|
1164 |
dd.dd_space_towrite[0] >> shift, suffix, |
|
1165 |
dd.dd_space_towrite[1] >> shift, suffix, |
|
1166 |
dd.dd_space_towrite[2] >> shift, suffix, |
|
1167 |
dd.dd_space_towrite[3] >> shift, suffix); |
|
1168 |
mdb_printf("dd_used_bytes = %llu%s\n",
|
|
1169 |
dd.dd_used_bytes >> shift, suffix); |
|
1170 |
||
1171 |
mdb_printf("dd_phys.dd_used_bytes = %llu%s\n",
|
|
1172 |
dsp.dd_used_bytes >> shift, suffix); |
|
1173 |
if (havecompressed) {
|
|
1174 |
mdb_printf("dd_phys.dd_compressed_bytes = %llu%s\n",
|
|
1175 |
dsp.dd_compressed_bytes >> shift, suffix); |
|
1176 |
mdb_printf("dd_phys.dd_uncompressed_bytes = %llu%s\n",
|
|
1177 |
dsp.dd_uncompressed_bytes >> shift, suffix); |
|
1178 |
} |
|
1179 |
||
1180 |
for (i = 0; i < children; i++) {
|
|
1181 |
mdb_vdev_t vd; |
|
1182 |
uintptr_t *vdev_ms; |
|
1183 |
||
1184 |
if (GETMEMB(child[i], struct vdev, |
|
1185 |
vdev_parent, vd.vdev_parent) || |
|
1186 |
GETMEMB(child[i], struct vdev, |
|
1187 |
vdev_stat, vd.vdev_stat) || |
|
1188 |
GETMEMB(child[i], struct vdev, vdev_ms, vd.vdev_ms) || |
|
1189 |
GETMEMB(child[i], struct vdev, |
|
1190 |
vdev_ms_count, vd.vdev_ms_count)) {
|
|
1191 |
return (DCMD_ERR); |
|
1192 |
} |
|
1193 |
||
1194 |
/* |
|
1195 |
* If this is the root vdev, its stats are the pool-wide stats. |
|
1196 |
*/ |
|
1197 |
if (vd.vdev_parent == NULL) {
|
|
1198 |
mdb_printf("pool_alloc = %llu%s\n",
|
|
1199 |
vd.vdev_stat.vs_alloc >> shift, suffix); |
|
1200 |
mdb_printf("pool_space = %llu%s\n",
|
|
1201 |
vd.vdev_stat.vs_space >> shift, suffix); |
|
1202 |
} |
|
1203 |
||
1204 |
/* |
|
1205 |
* If this is not a top-level vdev, it doesn't have space. |
|
1206 |
*/ |
|
1207 |
if (vd.vdev_parent != spa.spa_root_vdev) |
|
1208 |
continue; |
|
1209 |
||
1210 |
vdev_ms = mdb_alloc(vd.vdev_ms_count * sizeof (void*), |
|
1211 |
UM_SLEEP | UM_GC); |
|
1212 |
if (mdb_vread(vdev_ms, vd.vdev_ms_count * sizeof (void*), |
|
1213 |
(uintptr_t)vd.vdev_ms) == -1) {
|
|
1214 |
mdb_warn("failed to read vdev_ms at %p", vd.vdev_ms);
|
|
1215 |
return (DCMD_ERR); |
|
1216 |
} |
|
1217 |
||
1218 |
for (j = 0; j < vd.vdev_ms_count; j++) {
|
|
1219 |
mdb_metaslab_t ms; |
|
1220 |
||
1221 |
if (GETMEMB(vdev_ms[j], struct metaslab, |
|
1222 |
ms_allocmap, ms.ms_allocmap) || |
|
1223 |
GETMEMB(vdev_ms[j], struct metaslab, |
|
1224 |
ms_freemap, ms.ms_freemap) || |
|
1225 |
GETMEMB(vdev_ms[j], struct metaslab, |
|
1226 |
ms_map, ms.ms_map) || |
|
1227 |
GETMEMB(vdev_ms[j], struct metaslab, |
|
| 1732 | 1228 |
ms_smo, ms.ms_smo)) {
|
| 789 | 1229 |
return (DCMD_ERR); |
1230 |
} |
|
1231 |
||
1232 |
ms_allocmap[0] += ms.ms_allocmap[0].sm_space; |
|
1233 |
ms_allocmap[1] += ms.ms_allocmap[1].sm_space; |
|
1234 |
ms_allocmap[2] += ms.ms_allocmap[2].sm_space; |
|
1235 |
ms_allocmap[3] += ms.ms_allocmap[3].sm_space; |
|
1236 |
ms_freemap[0] += ms.ms_freemap[0].sm_space; |
|
1237 |
ms_freemap[1] += ms.ms_freemap[1].sm_space; |
|
1238 |
ms_freemap[2] += ms.ms_freemap[2].sm_space; |
|
1239 |
ms_freemap[3] += ms.ms_freemap[3].sm_space; |
|
1240 |
ms_map += ms.ms_map.sm_space; |
|
| 1732 | 1241 |
avail += ms.ms_map.sm_size - ms.ms_smo.smo_alloc; |
| 789 | 1242 |
} |
1243 |
} |
|
1244 |
||
1245 |
mdb_printf("ms_allocmap = %llu%s %llu%s %llu%s %llu%s\n",
|
|
1246 |
ms_allocmap[0] >> shift, suffix, |
|
1247 |
ms_allocmap[1] >> shift, suffix, |
|
1248 |
ms_allocmap[2] >> shift, suffix, |
|
1249 |
ms_allocmap[3] >> shift, suffix); |
|
1250 |
mdb_printf("ms_freemap = %llu%s %llu%s %llu%s %llu%s\n",
|
|
1251 |
ms_freemap[0] >> shift, suffix, |
|
1252 |
ms_freemap[1] >> shift, suffix, |
|
1253 |
ms_freemap[2] >> shift, suffix, |
|
1254 |
ms_freemap[3] >> shift, suffix); |
|
1255 |
mdb_printf("ms_map = %llu%s\n", ms_map >> shift, suffix);
|
|
| 1732 | 1256 |
mdb_printf("avail = %llu%s\n", avail >> shift, suffix);
|
| 789 | 1257 |
|
1258 |
return (DCMD_OK); |
|
1259 |
} |
|
1260 |
||
1261 |
/* |
|
1262 |
* ::spa_verify |
|
1263 |
* |
|
1264 |
* Given a spa_t, verify that that the pool is self-consistent. |
|
1265 |
* Currently, it only checks to make sure that the vdev tree exists. |
|
1266 |
*/ |
|
1267 |
/* ARGSUSED */ |
|
1268 |
static int |
|
1269 |
spa_verify(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) |
|
1270 |
{
|
|
1271 |
spa_t spa; |
|
1272 |
||
1273 |
if (argc != 0 || !(flags & DCMD_ADDRSPEC)) |
|
1274 |
return (DCMD_USAGE); |
|
1275 |
||
1276 |
if (mdb_vread(&spa, sizeof (spa), addr) == -1) {
|
|
1277 |
mdb_warn("failed to read spa_t at %p", addr);
|
|
1278 |
return (DCMD_ERR); |
|
1279 |
} |
|
1280 |
||
1281 |
if (spa.spa_root_vdev == NULL) {
|
|
1282 |
mdb_printf("no vdev tree present\n");
|
|
1283 |
return (DCMD_OK); |
|
1284 |
} |
|
1285 |
||
1286 |
return (DCMD_OK); |
|
1287 |
} |
|
1288 |
||
1289 |
/* |
|
1290 |
* ::spa_vdevs |
|
1291 |
* |
|
1292 |
* -e Include error stats |
|
1293 |
* |
|
1294 |
* Print out a summarized list of vdevs for the given spa_t. |
|
1295 |
* This is accomplished by invoking "::vdev -re" on the root vdev. |
|
1296 |
*/ |
|
1297 |
/* ARGSUSED */ |
|
1298 |
static int |
|
1299 |
spa_vdevs(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) |
|
1300 |
{
|
|
1301 |
spa_t spa; |
|
1302 |
mdb_arg_t v; |
|
1303 |
int errors = FALSE; |
|
1304 |
||
1305 |
if (mdb_getopts(argc, argv, |
|
1306 |
'e', MDB_OPT_SETBITS, TRUE, &errors, |
|
1307 |
NULL) != argc) |
|
1308 |
return (DCMD_USAGE); |
|
1309 |
||
1310 |
if (!(flags & DCMD_ADDRSPEC)) |
|
1311 |
return (DCMD_USAGE); |
|
1312 |
||
1313 |
if (mdb_vread(&spa, sizeof (spa), addr) == -1) {
|
|
1314 |
mdb_warn("failed to read spa_t at %p", addr);
|
|
1315 |
return (DCMD_ERR); |
|
1316 |
} |
|
1317 |
||
|
952
12ec54aa046e
6344502 placeholder bug for the remaining Makefile cleanup work for ZFS
eschrock
parents:
789
diff
changeset
|
1318 |
/* |
|
12ec54aa046e
6344502 placeholder bug for the remaining Makefile cleanup work for ZFS
eschrock
parents:
789
diff
changeset
|
1319 |
* Unitialized spa_t structures can have a NULL root vdev. |
|
12ec54aa046e
6344502 placeholder bug for the remaining Makefile cleanup work for ZFS
eschrock
parents:
789
diff
changeset
|
1320 |
*/ |
|
12ec54aa046e
6344502 placeholder bug for the remaining Makefile cleanup work for ZFS
eschrock
parents:
789
diff
changeset
|
1321 |
if (spa.spa_root_vdev == NULL) {
|
|
12ec54aa046e
6344502 placeholder bug for the remaining Makefile cleanup work for ZFS
eschrock
parents:
789
diff
changeset
|
1322 |
mdb_printf("no associated vdevs\n");
|
|
12ec54aa046e
6344502 placeholder bug for the remaining Makefile cleanup work for ZFS
eschrock
parents:
789
diff
changeset
|
1323 |
return (DCMD_OK); |
|
12ec54aa046e
6344502 placeholder bug for the remaining Makefile cleanup work for ZFS
eschrock
parents:
789
diff
changeset
|
1324 |
} |
|
12ec54aa046e
6344502 placeholder bug for the remaining Makefile cleanup work for ZFS
eschrock
parents:
789
diff
changeset
|
1325 |
|
| 789 | 1326 |
v.a_type = MDB_TYPE_STRING; |
1327 |
v.a_un.a_str = errors ? "-re" : "-r"; |
|
1328 |
||
1329 |
return (mdb_call_dcmd("vdev", (uintptr_t)spa.spa_root_vdev,
|
|
1330 |
flags, 1, &v)); |
|
1331 |
} |
|
1332 |
||
1333 |
typedef struct txg_list_walk_data {
|
|
1334 |
uintptr_t lw_head[TXG_SIZE]; |
|
1335 |
int lw_txgoff; |
|
1336 |
int lw_maxoff; |
|
1337 |
size_t lw_offset; |
|
1338 |
void *lw_obj; |
|
1339 |
} txg_list_walk_data_t; |
|
1340 |
||
1341 |
static int |
|
1342 |
txg_list_walk_init_common(mdb_walk_state_t *wsp, int txg, int maxoff) |
|
1343 |
{
|
|
1344 |
txg_list_walk_data_t *lwd; |
|
1345 |
txg_list_t list; |
|
1346 |
int i; |
|
1347 |
||
1348 |
lwd = mdb_alloc(sizeof (txg_list_walk_data_t), UM_SLEEP | UM_GC); |
|
1349 |
if (mdb_vread(&list, sizeof (txg_list_t), wsp->walk_addr) == -1) {
|
|
1350 |
mdb_warn("failed to read txg_list_t at %#lx", wsp->walk_addr);
|
|
1351 |
return (WALK_ERR); |
|
1352 |
} |
|
1353 |
||
1354 |
for (i = 0; i < TXG_SIZE; i++) |
|
1355 |
lwd->lw_head[i] = (uintptr_t)list.tl_head[i]; |
|
1356 |
lwd->lw_offset = list.tl_offset; |
|
1357 |
lwd->lw_obj = mdb_alloc(lwd->lw_offset + sizeof (txg_node_t), |
|
1358 |
UM_SLEEP | UM_GC); |
|
1359 |
lwd->lw_txgoff = txg; |
|
1360 |
lwd->lw_maxoff = maxoff; |
|
1361 |
||
1362 |
wsp->walk_addr = lwd->lw_head[lwd->lw_txgoff]; |
|
1363 |
wsp->walk_data = lwd; |
|
1364 |
||
1365 |
return (WALK_NEXT); |
|
1366 |
} |
|
1367 |
||
1368 |
static int |
|
1369 |
txg_list_walk_init(mdb_walk_state_t *wsp) |
|
1370 |
{
|
|
1371 |
return (txg_list_walk_init_common(wsp, 0, TXG_SIZE-1)); |
|
1372 |
} |
|
1373 |
||
1374 |
static int |
|
1375 |
txg_list0_walk_init(mdb_walk_state_t *wsp) |
|
1376 |
{
|
|
1377 |
return (txg_list_walk_init_common(wsp, 0, 0)); |
|
1378 |
} |
|
1379 |
||
1380 |
static int |
|
1381 |
txg_list1_walk_init(mdb_walk_state_t *wsp) |
|
1382 |
{
|
|
1383 |
return (txg_list_walk_init_common(wsp, 1, 1)); |
|
1384 |
} |
|
1385 |
||
1386 |
static int |
|
1387 |
txg_list2_walk_init(mdb_walk_state_t *wsp) |
|
1388 |
{
|
|
1389 |
return (txg_list_walk_init_common(wsp, 2, 2)); |
|
1390 |
} |
|
1391 |
||
1392 |
static int |
|
1393 |
txg_list3_walk_init(mdb_walk_state_t *wsp) |
|
1394 |
{
|
|
1395 |
return (txg_list_walk_init_common(wsp, 3, 3)); |
|
1396 |
} |
|
1397 |
||
1398 |
static int |
|
1399 |
txg_list_walk_step(mdb_walk_state_t *wsp) |
|
1400 |
{
|
|
1401 |
txg_list_walk_data_t *lwd = wsp->walk_data; |
|
1402 |
uintptr_t addr; |
|
1403 |
txg_node_t *node; |
|
1404 |
int status; |
|
1405 |
||
1406 |
while (wsp->walk_addr == NULL && lwd->lw_txgoff < lwd->lw_maxoff) {
|
|
1407 |
lwd->lw_txgoff++; |
|
1408 |
wsp->walk_addr = lwd->lw_head[lwd->lw_txgoff]; |
|
1409 |
} |
|
1410 |
||
1411 |
if (wsp->walk_addr == NULL) |
|
1412 |
return (WALK_DONE); |
|
1413 |
||
1414 |
addr = wsp->walk_addr - lwd->lw_offset; |
|
1415 |
||
1416 |
if (mdb_vread(lwd->lw_obj, |
|
1417 |
lwd->lw_offset + sizeof (txg_node_t), addr) == -1) {
|
|
1418 |
mdb_warn("failed to read list element at %#lx", addr);
|
|
1419 |
return (WALK_ERR); |
|
1420 |
} |
|
1421 |
||
1422 |
status = wsp->walk_callback(addr, lwd->lw_obj, wsp->walk_cbdata); |
|
1423 |
node = (txg_node_t *)((uintptr_t)lwd->lw_obj + lwd->lw_offset); |
|
1424 |
wsp->walk_addr = (uintptr_t)node->tn_next[lwd->lw_txgoff]; |
|
1425 |
||
1426 |
return (status); |
|
1427 |
} |
|
1428 |
||
1429 |
/* ARGSUSED */ |
|
1430 |
static void |
|
1431 |
txg_list_walk_fini(mdb_walk_state_t *wsp) |
|
1432 |
{
|
|
1433 |
} |
|
1434 |
||
1435 |
/* |
|
1436 |
* ::walk spa |
|
1437 |
* |
|
1438 |
* Walk all named spa_t structures in the namespace. This is nothing more than |
|
1439 |
* a layered avl walk. |
|
1440 |
*/ |
|
1441 |
static int |
|
1442 |
spa_walk_init(mdb_walk_state_t *wsp) |
|
1443 |
{
|
|
1444 |
GElf_Sym sym; |
|
1445 |
||
1446 |
if (wsp->walk_addr != NULL) {
|
|
1447 |
mdb_warn("spa walk only supports global walks\n");
|
|
1448 |
return (WALK_ERR); |
|
1449 |
} |
|
1450 |
||
1451 |
if (mdb_lookup_by_obj(ZFS_OBJ_NAME, "spa_namespace_avl", &sym) == -1) {
|
|
1452 |
mdb_warn("failed to find symbol 'spa_namespace_avl'");
|
|
1453 |
return (WALK_ERR); |
|
1454 |
} |
|
1455 |
||
1456 |
wsp->walk_addr = (uintptr_t)sym.st_value; |
|
1457 |
||
1458 |
if (mdb_layered_walk("avl", wsp) == -1) {
|
|
1459 |
mdb_warn("failed to walk 'avl'\n");
|
|
1460 |
return (WALK_ERR); |
|
1461 |
} |
|
1462 |
||
1463 |
return (WALK_NEXT); |
|
1464 |
} |
|
1465 |
||
1466 |
static int |
|
1467 |
spa_walk_step(mdb_walk_state_t *wsp) |
|
1468 |
{
|
|
1469 |
spa_t spa; |
|
1470 |
||
1471 |
if (mdb_vread(&spa, sizeof (spa), wsp->walk_addr) == -1) {
|
|
1472 |
mdb_warn("failed to read spa_t at %p", wsp->walk_addr);
|
|
1473 |
return (WALK_ERR); |
|
1474 |
} |
|
1475 |
||
1476 |
return (wsp->walk_callback(wsp->walk_addr, &spa, wsp->walk_cbdata)); |
|
1477 |
} |
|
1478 |
||
1479 |
/* |
|
1480 |
* MDB module linkage information: |
|
1481 |
* |
|
1482 |
* We declare a list of structures describing our dcmds, and a function |
|
1483 |
* named _mdb_init to return a pointer to our module information. |
|
1484 |
*/ |
|
1485 |
||
1486 |
static const mdb_dcmd_t dcmds[] = {
|
|
1487 |
{ "blkptr", ":", "print blkptr_t", blkptr },
|
|
1488 |
{ "dbuf", ":", "print dmu_buf_impl_t", dbuf },
|
|
1489 |
{ "dbuf_stats", ":", "dbuf stats", dbuf_stats },
|
|
1490 |
{ "dbufs",
|
|
1491 |
"\t[-O objset_t*] [-n objset_name | \"mos\"] [-o object | \"mdn\"] \n" |
|
1492 |
"\t[-l level] [-b blkid | \"bonus\"]", |
|
1493 |
"find dmu_buf_impl_t's that meet criterion", dbufs }, |
|
1494 |
{ "abuf_find", "dva_word[0] dva_word[1]",
|
|
1495 |
"find arc_buf_hdr_t of a specified DVA", |
|
1496 |
abuf_find }, |
|
1497 |
{ "spa", "?[-cv]", "spa_t summary", spa_print },
|
|
1498 |
{ "spa_config", ":", "print spa_t configuration", spa_print_config },
|
|
1499 |
{ "spa_verify", ":", "verify spa_t consistency", spa_verify },
|
|
1500 |
{ "spa_space", ":[-b]", "print spa_t on-disk space usage", spa_space },
|
|
1501 |
{ "spa_vdevs", ":", "given a spa_t, print vdev summary", spa_vdevs },
|
|
1502 |
{ "vdev", ":[-qre]", "vdev_t summary", vdev_print },
|
|
1503 |
{ "zio_pipeline", ":", "decode a zio pipeline", zio_pipeline },
|
|
1504 |
{ NULL }
|
|
1505 |
}; |
|
1506 |
||
1507 |
static const mdb_walker_t walkers[] = {
|
|
1508 |
/* |
|
1509 |
* In userland, there is no generic provider of list_t walkers, so we |
|
1510 |
* need to add it. |
|
1511 |
*/ |
|
1512 |
#ifndef _KERNEL |
|
1513 |
{ LIST_WALK_NAME, LIST_WALK_DESC,
|
|
1514 |
list_walk_init, list_walk_step, list_walk_fini }, |
|
1515 |
#endif |
|
1516 |
{ "zms_freelist", "walk ZFS metaslab freelist",
|
|
1517 |
freelist_walk_init, freelist_walk_step, freelist_walk_fini }, |
|
1518 |
{ "txg_list", "given any txg_list_t *, walk all entries in all txgs",
|
|
1519 |
txg_list_walk_init, txg_list_walk_step, txg_list_walk_fini }, |
|
1520 |
{ "txg_list0", "given any txg_list_t *, walk all entries in txg 0",
|
|
1521 |
txg_list0_walk_init, txg_list_walk_step, txg_list_walk_fini }, |
|
1522 |
{ "txg_list1", "given any txg_list_t *, walk all entries in txg 1",
|
|
1523 |
txg_list1_walk_init, txg_list_walk_step, txg_list_walk_fini }, |
|
1524 |
{ "txg_list2", "given any txg_list_t *, walk all entries in txg 2",
|
|
1525 |
txg_list2_walk_init, txg_list_walk_step, txg_list_walk_fini }, |
|
1526 |
{ "txg_list3", "given any txg_list_t *, walk all entries in txg 3",
|
|
1527 |
txg_list3_walk_init, txg_list_walk_step, txg_list_walk_fini }, |
|
1528 |
{ "spa", "walk all spa_t entries in the namespace",
|
|
1529 |
spa_walk_init, spa_walk_step, NULL }, |
|
1530 |
{ NULL }
|
|
1531 |
}; |
|
1532 |
||
1533 |
static const mdb_modinfo_t modinfo = {
|
|
1534 |
MDB_API_VERSION, dcmds, walkers |
|
1535 |
}; |
|
1536 |
||
1537 |
const mdb_modinfo_t * |
|
1538 |
_mdb_init(void) |
|
1539 |
{
|
|
1540 |
return (&modinfo); |
|
1541 |
} |