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 2009 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 /* 27 * Print intent log header and statistics. 28 */ 29 30 #include <stdio.h> 31 #include <stdlib.h> 32 #include <ctype.h> 33 #include <sys/zfs_context.h> 34 #include <sys/spa.h> 35 #include <sys/dmu.h> 36 #include <sys/stat.h> 37 #include <sys/resource.h> 38 #include <sys/zil.h> 39 #include <sys/zil_impl.h> 40 41 extern uint8_t dump_opt[256]; 42 43 static char prefix[4] = "\t\t\t"; 44 45 static void 46 print_log_bp(const blkptr_t *bp, const char *prefix) 47 { 48 char blkbuf[BP_SPRINTF_LEN]; 49 50 sprintf_blkptr(blkbuf, 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("%s%s -> %s\n", prefix, name, link); 64 else 65 (void) printf("%s%s\n", prefix, name); 66 67 (void) printf("%s%s", prefix, ctime(&crtime)); 68 (void) printf("%sdoid %llu, foid %llu, mode %llo\n", prefix, 69 (u_longlong_t)lr->lr_doid, (u_longlong_t)lr->lr_foid, 70 (longlong_t)lr->lr_mode); 71 (void) printf("%suid %llu, gid %llu, gen %llu, rdev 0x%llx\n", prefix, 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("%sdoid %llu, name %s\n", prefix, 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("%sdoid %llu, link_obj %llu, name %s\n", prefix, 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("%ssdoid %llu, tdoid %llu\n", prefix, 101 (u_longlong_t)lr->lr_sdoid, (u_longlong_t)lr->lr_tdoid); 102 (void) printf("%ssrc %s tgt %s\n", prefix, 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 zbookmark_t zb; 112 char buf[SPA_MAXBLOCKSIZE]; 113 int verbose = MAX(dump_opt['d'], dump_opt['i']); 114 int error; 115 116 (void) printf("%sfoid %llu, offset %llx, length %llx\n", prefix, 117 (u_longlong_t)lr->lr_foid, (u_longlong_t)lr->lr_offset, 118 (u_longlong_t)lr->lr_length); 119 120 if (txtype == TX_WRITE2 || verbose < 5) 121 return; 122 123 if (lr->lr_common.lrc_reclen == sizeof (lr_write_t)) { 124 (void) printf("%shas blkptr, %s\n", prefix, 125 bp->blk_birth >= spa_first_txg(zilog->zl_spa) ? 126 "will claim" : "won't claim"); 127 print_log_bp(bp, prefix); 128 129 if (BP_IS_HOLE(bp)) { 130 (void) printf("\t\t\tLSIZE 0x%llx\n", 131 (u_longlong_t)BP_GET_LSIZE(bp)); 132 } 133 if (bp->blk_birth == 0) { 134 bzero(buf, sizeof (buf)); 135 (void) printf("%s<hole>\n", prefix); 136 return; 137 } 138 if (bp->blk_birth < zilog->zl_header->zh_claim_txg) { 139 (void) printf("%s<block already committed>\n", prefix); 140 return; 141 } 142 143 SET_BOOKMARK(&zb, dmu_objset_id(zilog->zl_os), 144 lr->lr_foid, ZB_ZIL_LEVEL, 145 lr->lr_offset / BP_GET_LSIZE(bp)); 146 147 error = zio_wait(zio_read(NULL, zilog->zl_spa, 148 bp, buf, BP_GET_LSIZE(bp), NULL, NULL, 149 ZIO_PRIORITY_SYNC_READ, ZIO_FLAG_CANFAIL, &zb)); 150 if (error) 151 return; 152 data = buf; 153 } else { 154 data = (char *)(lr + 1); 155 } 156 157 dlimit = data + MIN(lr->lr_length, 158 (verbose < 6 ? 20 : SPA_MAXBLOCKSIZE)); 159 160 (void) printf("%s", prefix); 161 while (data < dlimit) { 162 if (isprint(*data)) 163 (void) printf("%c ", *data); 164 else 165 (void) printf("%2X", *data); 166 data++; 167 } 168 (void) printf("\n"); 169 } 170 171 /* ARGSUSED */ 172 static void 173 zil_prt_rec_truncate(zilog_t *zilog, int txtype, lr_truncate_t *lr) 174 { 175 (void) printf("%sfoid %llu, offset 0x%llx, length 0x%llx\n", prefix, 176 (u_longlong_t)lr->lr_foid, (longlong_t)lr->lr_offset, 177 (u_longlong_t)lr->lr_length); 178 } 179 180 /* ARGSUSED */ 181 static void 182 zil_prt_rec_setattr(zilog_t *zilog, int txtype, lr_setattr_t *lr) 183 { 184 time_t atime = (time_t)lr->lr_atime[0]; 185 time_t mtime = (time_t)lr->lr_mtime[0]; 186 187 (void) printf("%sfoid %llu, mask 0x%llx\n", prefix, 188 (u_longlong_t)lr->lr_foid, (u_longlong_t)lr->lr_mask); 189 190 if (lr->lr_mask & AT_MODE) { 191 (void) printf("%sAT_MODE %llo\n", prefix, 192 (longlong_t)lr->lr_mode); 193 } 194 195 if (lr->lr_mask & AT_UID) { 196 (void) printf("%sAT_UID %llu\n", prefix, 197 (u_longlong_t)lr->lr_uid); 198 } 199 200 if (lr->lr_mask & AT_GID) { 201 (void) printf("%sAT_GID %llu\n", prefix, 202 (u_longlong_t)lr->lr_gid); 203 } 204 205 if (lr->lr_mask & AT_SIZE) { 206 (void) printf("%sAT_SIZE %llu\n", prefix, 207 (u_longlong_t)lr->lr_size); 208 } 209 210 if (lr->lr_mask & AT_ATIME) { 211 (void) printf("%sAT_ATIME %llu.%09llu %s", prefix, 212 (u_longlong_t)lr->lr_atime[0], 213 (u_longlong_t)lr->lr_atime[1], 214 ctime(&atime)); 215 } 216 217 if (lr->lr_mask & AT_MTIME) { 218 (void) printf("%sAT_MTIME %llu.%09llu %s", prefix, 219 (u_longlong_t)lr->lr_mtime[0], 220 (u_longlong_t)lr->lr_mtime[1], 221 ctime(&mtime)); 222 } 223 } 224 225 /* ARGSUSED */ 226 static void 227 zil_prt_rec_acl(zilog_t *zilog, int txtype, lr_acl_t *lr) 228 { 229 (void) printf("%sfoid %llu, aclcnt %llu\n", prefix, 230 (u_longlong_t)lr->lr_foid, (u_longlong_t)lr->lr_aclcnt); 231 } 232 233 typedef void (*zil_prt_rec_func_t)(); 234 typedef struct zil_rec_info { 235 zil_prt_rec_func_t zri_print; 236 char *zri_name; 237 uint64_t zri_count; 238 } zil_rec_info_t; 239 240 static zil_rec_info_t zil_rec_info[TX_MAX_TYPE] = { 241 { NULL, "Total " }, 242 { zil_prt_rec_create, "TX_CREATE " }, 243 { zil_prt_rec_create, "TX_MKDIR " }, 244 { zil_prt_rec_create, "TX_MKXATTR " }, 245 { zil_prt_rec_create, "TX_SYMLINK " }, 246 { zil_prt_rec_remove, "TX_REMOVE " }, 247 { zil_prt_rec_remove, "TX_RMDIR " }, 248 { zil_prt_rec_link, "TX_LINK " }, 249 { zil_prt_rec_rename, "TX_RENAME " }, 250 { zil_prt_rec_write, "TX_WRITE " }, 251 { zil_prt_rec_truncate, "TX_TRUNCATE " }, 252 { zil_prt_rec_setattr, "TX_SETATTR " }, 253 { zil_prt_rec_acl, "TX_ACL_V0 " }, 254 { zil_prt_rec_acl, "TX_ACL_ACL " }, 255 { zil_prt_rec_create, "TX_CREATE_ACL " }, 256 { zil_prt_rec_create, "TX_CREATE_ATTR " }, 257 { zil_prt_rec_create, "TX_CREATE_ACL_ATTR " }, 258 { zil_prt_rec_create, "TX_MKDIR_ACL " }, 259 { zil_prt_rec_create, "TX_MKDIR_ATTR " }, 260 { zil_prt_rec_create, "TX_MKDIR_ACL_ATTR " }, 261 { zil_prt_rec_write, "TX_WRITE2 " }, 262 }; 263 264 /* ARGSUSED */ 265 static int 266 print_log_record(zilog_t *zilog, lr_t *lr, void *arg, uint64_t claim_txg) 267 { 268 int txtype; 269 int verbose = MAX(dump_opt['d'], dump_opt['i']); 270 271 /* reduce size of txtype to strip off TX_CI bit */ 272 txtype = lr->lrc_txtype; 273 274 ASSERT(txtype != 0 && (uint_t)txtype < TX_MAX_TYPE); 275 ASSERT(lr->lrc_txg); 276 277 (void) printf("\t\t%s%s len %6llu, txg %llu, seq %llu\n", 278 (lr->lrc_txtype & TX_CI) ? "CI-" : "", 279 zil_rec_info[txtype].zri_name, 280 (u_longlong_t)lr->lrc_reclen, 281 (u_longlong_t)lr->lrc_txg, 282 (u_longlong_t)lr->lrc_seq); 283 284 if (txtype && verbose >= 3) 285 zil_rec_info[txtype].zri_print(zilog, txtype, lr); 286 287 zil_rec_info[txtype].zri_count++; 288 zil_rec_info[0].zri_count++; 289 290 return (0); 291 } 292 293 /* ARGSUSED */ 294 static int 295 print_log_block(zilog_t *zilog, blkptr_t *bp, void *arg, uint64_t claim_txg) 296 { 297 char blkbuf[BP_SPRINTF_LEN + 10]; 298 int verbose = MAX(dump_opt['d'], dump_opt['i']); 299 char *claim; 300 301 if (verbose <= 3) 302 return (0); 303 304 if (verbose >= 5) { 305 (void) strcpy(blkbuf, ", "); 306 sprintf_blkptr(blkbuf + strlen(blkbuf), bp); 307 } else { 308 blkbuf[0] = '\0'; 309 } 310 311 if (claim_txg != 0) 312 claim = "already claimed"; 313 else if (bp->blk_birth >= spa_first_txg(zilog->zl_spa)) 314 claim = "will claim"; 315 else 316 claim = "won't claim"; 317 318 (void) printf("\tBlock seqno %llu, %s%s\n", 319 (u_longlong_t)bp->blk_cksum.zc_word[ZIL_ZC_SEQ], claim, blkbuf); 320 321 return (0); 322 } 323 324 static void 325 print_log_stats(int verbose) 326 { 327 int i, w, p10; 328 329 if (verbose > 3) 330 (void) printf("\n"); 331 332 if (zil_rec_info[0].zri_count == 0) 333 return; 334 335 for (w = 1, p10 = 10; zil_rec_info[0].zri_count >= p10; p10 *= 10) 336 w++; 337 338 for (i = 0; i < TX_MAX_TYPE; i++) 339 if (zil_rec_info[i].zri_count || verbose >= 3) 340 (void) printf("\t\t%s %*llu\n", 341 zil_rec_info[i].zri_name, w, 342 (u_longlong_t)zil_rec_info[i].zri_count); 343 (void) printf("\n"); 344 } 345 346 /* ARGSUSED */ 347 void 348 dump_intent_log(zilog_t *zilog) 349 { 350 const zil_header_t *zh = zilog->zl_header; 351 int verbose = MAX(dump_opt['d'], dump_opt['i']); 352 int i; 353 354 if (zh->zh_log.blk_birth == 0 || verbose < 1) 355 return; 356 357 (void) printf("\n ZIL header: claim_txg %llu, " 358 "claim_blk_seq %llu, claim_lr_seq %llu", 359 (u_longlong_t)zh->zh_claim_txg, 360 (u_longlong_t)zh->zh_claim_blk_seq, 361 (u_longlong_t)zh->zh_claim_lr_seq); 362 (void) printf(" replay_seq %llu, flags 0x%llx\n", 363 (u_longlong_t)zh->zh_replay_seq, (u_longlong_t)zh->zh_flags); 364 365 for (i = 0; i < TX_MAX_TYPE; i++) 366 zil_rec_info[i].zri_count = 0; 367 368 if (verbose >= 2) { 369 (void) printf("\n"); 370 (void) zil_parse(zilog, print_log_block, print_log_record, NULL, 371 zh->zh_claim_txg); 372 print_log_stats(verbose); 373 } 374 } 375