1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #pragma ident "%Z%%M% %I% %E% SMI" 27 28 /* 29 * Print intent log header and statistics. 30 */ 31 32 #include <stdio.h> 33 #include <stdlib.h> 34 #include <ctype.h> 35 #include <sys/zfs_context.h> 36 #include <sys/spa.h> 37 #include <sys/dmu.h> 38 #include <sys/stat.h> 39 #include <sys/resource.h> 40 #include <sys/zil.h> 41 #include <sys/zil_impl.h> 42 43 extern uint8_t dump_opt[256]; 44 45 static void 46 print_log_bp(blkptr_t *bp, const char *prefix) 47 { 48 char blkbuf[BP_SPRINTF_LEN]; 49 50 sprintf_blkptr(blkbuf, BP_SPRINTF_LEN, bp); 51 (void) printf("%s%s\n", prefix, blkbuf); 52 } 53 54 /* ARGSUSED */ 55 static void 56 zil_prt_rec_create(zilog_t *zilog, int txtype, lr_create_t *lr) 57 { 58 time_t crtime = lr->lr_crtime[0]; 59 char *name = (char *)(lr + 1); 60 char *link = name + strlen(name) + 1; 61 62 if (txtype == TX_SYMLINK) 63 (void) printf("\t\t\t%s -> %s\n", name, link); 64 else 65 (void) printf("\t\t\t%s\n", name); 66 67 (void) printf("\t\t\t%s", ctime(&crtime)); 68 (void) printf("\t\t\tdoid %llu, foid %llu, mode %llo\n", 69 (u_longlong_t)lr->lr_doid, (u_longlong_t)lr->lr_foid, 70 (longlong_t)lr->lr_mode); 71 (void) printf("\t\t\tuid %llu, gid %llu, gen %llu, rdev 0x%llx\n", 72 (u_longlong_t)lr->lr_uid, (u_longlong_t)lr->lr_gid, 73 (u_longlong_t)lr->lr_gen, (u_longlong_t)lr->lr_rdev); 74 } 75 76 /* ARGSUSED */ 77 static void 78 zil_prt_rec_remove(zilog_t *zilog, int txtype, lr_remove_t *lr) 79 { 80 (void) printf("\t\t\tdoid %llu, name %s\n", 81 (u_longlong_t)lr->lr_doid, (char *)(lr + 1)); 82 } 83 84 /* ARGSUSED */ 85 static void 86 zil_prt_rec_link(zilog_t *zilog, int txtype, lr_link_t *lr) 87 { 88 (void) printf("\t\t\tdoid %llu, link_obj %llu, name %s\n", 89 (u_longlong_t)lr->lr_doid, (u_longlong_t)lr->lr_link_obj, 90 (char *)(lr + 1)); 91 } 92 93 /* ARGSUSED */ 94 static void 95 zil_prt_rec_rename(zilog_t *zilog, int txtype, lr_rename_t *lr) 96 { 97 char *snm = (char *)(lr + 1); 98 char *tnm = snm + strlen(snm) + 1; 99 100 (void) printf("\t\t\tsdoid %llu, tdoid %llu\n", 101 (u_longlong_t)lr->lr_sdoid, (u_longlong_t)lr->lr_tdoid); 102 (void) printf("\t\t\tsrc %s tgt %s\n", snm, tnm); 103 } 104 105 /* ARGSUSED */ 106 static void 107 zil_prt_rec_write(zilog_t *zilog, int txtype, lr_write_t *lr) 108 { 109 char *data, *dlimit; 110 blkptr_t *bp = &lr->lr_blkptr; 111 char buf[SPA_MAXBLOCKSIZE]; 112 int verbose = MAX(dump_opt['d'], dump_opt['i']); 113 int error; 114 115 (void) printf("\t\t\tfoid %llu, offset 0x%llx," 116 " length 0x%llx, blkoff 0x%llx\n", 117 (u_longlong_t)lr->lr_foid, (longlong_t)lr->lr_offset, 118 (u_longlong_t)lr->lr_length, (u_longlong_t)lr->lr_blkoff); 119 120 if (verbose < 5) 121 return; 122 123 if (lr->lr_common.lrc_reclen == sizeof (lr_write_t)) { 124 (void) printf("\t\t\thas blkptr, %s\n", 125 bp->blk_birth >= spa_first_txg(zilog->zl_spa) ? 126 "will claim" : "won't claim"); 127 print_log_bp(bp, "\t\t\t"); 128 if (bp->blk_birth == 0) { 129 bzero(buf, sizeof (buf)); 130 } else { 131 zbookmark_t zb; 132 133 ASSERT3U(bp->blk_cksum.zc_word[2], ==, 134 dmu_objset_id(zilog->zl_os)); 135 136 zb.zb_objset = bp->blk_cksum.zc_word[2]; 137 zb.zb_object = 0; 138 zb.zb_level = -1; 139 zb.zb_blkid = bp->blk_cksum.zc_word[3]; 140 141 error = zio_wait(zio_read(NULL, zilog->zl_spa, 142 bp, buf, BP_GET_LSIZE(bp), NULL, NULL, 143 ZIO_PRIORITY_SYNC_READ, ZIO_FLAG_CANFAIL, &zb)); 144 if (error) 145 return; 146 } 147 data = buf + lr->lr_blkoff; 148 } else { 149 data = (char *)(lr + 1); 150 } 151 152 dlimit = data + MIN(lr->lr_length, 153 (verbose < 6 ? 20 : SPA_MAXBLOCKSIZE)); 154 155 (void) printf("\t\t\t"); 156 while (data < dlimit) { 157 if (isprint(*data)) 158 (void) printf("%c ", *data); 159 else 160 (void) printf("%2X", *data); 161 data++; 162 } 163 (void) printf("\n"); 164 } 165 166 /* ARGSUSED */ 167 static void 168 zil_prt_rec_truncate(zilog_t *zilog, int txtype, lr_truncate_t *lr) 169 { 170 (void) printf("\t\t\tfoid %llu, offset 0x%llx, length 0x%llx\n", 171 (u_longlong_t)lr->lr_foid, (longlong_t)lr->lr_offset, 172 (u_longlong_t)lr->lr_length); 173 } 174 175 /* ARGSUSED */ 176 static void 177 zil_prt_rec_setattr(zilog_t *zilog, int txtype, lr_setattr_t *lr) 178 { 179 time_t atime = (time_t)lr->lr_atime[0]; 180 time_t mtime = (time_t)lr->lr_mtime[0]; 181 182 (void) printf("\t\t\tfoid %llu, mask 0x%llx\n", 183 (u_longlong_t)lr->lr_foid, (u_longlong_t)lr->lr_mask); 184 185 if (lr->lr_mask & AT_MODE) { 186 (void) printf("\t\t\tAT_MODE %llo\n", 187 (longlong_t)lr->lr_mode); 188 } 189 190 if (lr->lr_mask & AT_UID) { 191 (void) printf("\t\t\tAT_UID %llu\n", 192 (u_longlong_t)lr->lr_uid); 193 } 194 195 if (lr->lr_mask & AT_GID) { 196 (void) printf("\t\t\tAT_GID %llu\n", 197 (u_longlong_t)lr->lr_gid); 198 } 199 200 if (lr->lr_mask & AT_SIZE) { 201 (void) printf("\t\t\tAT_SIZE %llu\n", 202 (u_longlong_t)lr->lr_size); 203 } 204 205 if (lr->lr_mask & AT_ATIME) { 206 (void) printf("\t\t\tAT_ATIME %llu.%09llu %s", 207 (u_longlong_t)lr->lr_atime[0], 208 (u_longlong_t)lr->lr_atime[1], 209 ctime(&atime)); 210 } 211 212 if (lr->lr_mask & AT_MTIME) { 213 (void) printf("\t\t\tAT_MTIME %llu.%09llu %s", 214 (u_longlong_t)lr->lr_mtime[0], 215 (u_longlong_t)lr->lr_mtime[1], 216 ctime(&mtime)); 217 } 218 } 219 220 /* ARGSUSED */ 221 static void 222 zil_prt_rec_acl(zilog_t *zilog, int txtype, lr_acl_t *lr) 223 { 224 (void) printf("\t\t\tfoid %llu, aclcnt %llu\n", 225 (u_longlong_t)lr->lr_foid, (u_longlong_t)lr->lr_aclcnt); 226 } 227 228 typedef void (*zil_prt_rec_func_t)(); 229 typedef struct zil_rec_info { 230 zil_prt_rec_func_t zri_print; 231 char *zri_name; 232 uint64_t zri_count; 233 } zil_rec_info_t; 234 235 static zil_rec_info_t zil_rec_info[TX_MAX_TYPE] = { 236 { NULL, "Total " }, 237 { zil_prt_rec_create, "TX_CREATE " }, 238 { zil_prt_rec_create, "TX_MKDIR " }, 239 { zil_prt_rec_create, "TX_MKXATTR " }, 240 { zil_prt_rec_create, "TX_SYMLINK " }, 241 { zil_prt_rec_remove, "TX_REMOVE " }, 242 { zil_prt_rec_remove, "TX_RMDIR " }, 243 { zil_prt_rec_link, "TX_LINK " }, 244 { zil_prt_rec_rename, "TX_RENAME " }, 245 { zil_prt_rec_write, "TX_WRITE " }, 246 { zil_prt_rec_truncate, "TX_TRUNCATE" }, 247 { zil_prt_rec_setattr, "TX_SETATTR " }, 248 { zil_prt_rec_acl, "TX_ACL " }, 249 }; 250 251 /* ARGSUSED */ 252 static void 253 print_log_record(zilog_t *zilog, lr_t *lr, void *arg, uint64_t claim_txg) 254 { 255 int txtype; 256 int verbose = MAX(dump_opt['d'], dump_opt['i']); 257 258 txtype = lr->lrc_txtype; 259 260 ASSERT(txtype != 0 && (uint_t)txtype < TX_MAX_TYPE); 261 ASSERT(lr->lrc_txg); 262 263 (void) printf("\t\t%s len %6llu, txg %llu, seq %llu\n", 264 zil_rec_info[txtype].zri_name, 265 (u_longlong_t)lr->lrc_reclen, 266 (u_longlong_t)lr->lrc_txg, 267 (u_longlong_t)lr->lrc_seq); 268 269 if (txtype && verbose >= 3) 270 zil_rec_info[txtype].zri_print(zilog, txtype, lr); 271 272 zil_rec_info[txtype].zri_count++; 273 zil_rec_info[0].zri_count++; 274 } 275 276 /* ARGSUSED */ 277 static void 278 print_log_block(zilog_t *zilog, blkptr_t *bp, void *arg, uint64_t claim_txg) 279 { 280 char blkbuf[BP_SPRINTF_LEN]; 281 int verbose = MAX(dump_opt['d'], dump_opt['i']); 282 char *claim; 283 284 if (verbose <= 3) 285 return; 286 287 if (verbose >= 5) { 288 (void) strcpy(blkbuf, ", "); 289 sprintf_blkptr(blkbuf + strlen(blkbuf), 290 BP_SPRINTF_LEN - strlen(blkbuf), bp); 291 } else { 292 blkbuf[0] = '\0'; 293 } 294 295 if (claim_txg != 0) 296 claim = "already claimed"; 297 else if (bp->blk_birth >= spa_first_txg(zilog->zl_spa)) 298 claim = "will claim"; 299 else 300 claim = "won't claim"; 301 302 (void) printf("\tBlock seqno %llu, %s%s\n", 303 (u_longlong_t)bp->blk_cksum.zc_word[3], claim, blkbuf); 304 } 305 306 static void 307 print_log_stats(int verbose) 308 { 309 int i, w, p10; 310 311 if (verbose > 3) 312 (void) printf("\n"); 313 314 if (zil_rec_info[0].zri_count == 0) 315 return; 316 317 for (w = 1, p10 = 10; zil_rec_info[0].zri_count >= p10; p10 *= 10) 318 w++; 319 320 for (i = 0; i < TX_MAX_TYPE; i++) 321 if (zil_rec_info[i].zri_count || verbose >= 3) 322 (void) printf("\t\t%s %*llu\n", 323 zil_rec_info[i].zri_name, w, 324 (u_longlong_t)zil_rec_info[i].zri_count); 325 (void) printf("\n"); 326 } 327 328 /* ARGSUSED */ 329 void 330 dump_intent_log(zilog_t *zilog) 331 { 332 zil_header_t *zh = zilog->zl_header; 333 int verbose = MAX(dump_opt['d'], dump_opt['i']); 334 int i; 335 336 if (zh->zh_log.blk_birth == 0 || verbose < 2) 337 return; 338 339 (void) printf("\n ZIL header: claim_txg %llu, seq %llu\n", 340 (u_longlong_t)zh->zh_claim_txg, (u_longlong_t)zh->zh_replay_seq); 341 342 if (verbose >= 4) 343 print_log_bp(&zh->zh_log, "\n\tfirst block: "); 344 345 for (i = 0; i < TX_MAX_TYPE; i++) 346 zil_rec_info[i].zri_count = 0; 347 348 if (verbose >= 2) { 349 (void) printf("\n"); 350 zil_parse(zilog, print_log_block, print_log_record, NULL, 351 zh->zh_claim_txg); 352 print_log_stats(verbose); 353 } 354 } 355