cddl/contrib/opensolaris/cmd/zstreamdump/zstreamdump.c

   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 /*
  23  * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 /*
  28  * Copyright (c) 2013 by Delphix. All rights reserved.
  29  */
  30
  31 #include <ctype.h>
  32 #include <libnvpair.h>
  33 #include <stdio.h>
  34 #include <stdlib.h>
  35 #include <strings.h>
  36 #include <unistd.h>
  37
  38 #include <sys/dmu.h>
  39 #include <sys/zfs_ioctl.h>
  40 #include <zfs_fletcher.h>
  41
  42 /*
  43  * If dump mode is enabled, the number of bytes to print per line
  44  */
  45 #define BYTES_PER_LINE  16
  46 /*
  47  * If dump mode is enabled, the number of bytes to group together, separated
  48  * by newlines or spaces
  49  */
  50 #define DUMP_GROUPING   4
  51
  52 uint64_t total_write_size = 0;
  53 uint64_t total_stream_len = 0;
  54 FILE *send_stream = 0;
  55 boolean_t do_byteswap = B_FALSE;
  56 boolean_t do_cksum = B_TRUE;
  57
  58 static void
  59 usage(void)
  60 {
  61         (void) fprintf(stderr, "usage: zstreamdump [-v] [-C] [-d] < file\n");
  62         (void) fprintf(stderr, "\t -v -- verbose\n");
  63         (void) fprintf(stderr, "\t -C -- suppress checksum verification\n");
  64         (void) fprintf(stderr, "\t -d -- dump contents of blocks modified, "
  65             "implies verbose\n");
  66         exit(1);
  67 }
  68
  69 static void *
  70 safe_malloc(size_t size)
  71 {
  72         void *rv = malloc(size);
  73         if (rv == NULL) {
  74                 (void) fprintf(stderr, "ERROR; failed to allocate %zu bytes\n",
  75                     size);
  76                 abort();
  77         }
  78         return (rv);
  79 }
  80
  81 /*
  82  * ssread - send stream read.
  83  *
  84  * Read while computing incremental checksum
  85  */
  86
  87 static size_t
  88 ssread(void *buf, size_t len, zio_cksum_t *cksum)
  89 {
  90         size_t outlen;
  91
  92         if ((outlen = fread(buf, len, 1, send_stream)) == 0)
  93                 return (0);
  94
  95         if (do_cksum && cksum) {
  96                 if (do_byteswap)
  97                         fletcher_4_incremental_byteswap(buf, len, cksum);
  98                 else
  99                         fletcher_4_incremental_native(buf, len, cksum);
 100         }
 101         total_stream_len += len;
 102         return (outlen);
 103 }
 104
 105 /*
 106  * Print part of a block in ASCII characters
 107  */
 108 static void
 109 print_ascii_block(char *subbuf, int length)
 110 {
 111         int i;
 112
 113         for (i = 0; i < length; i++) {
 114                 char char_print = isprint(subbuf[i]) ? subbuf[i] : '.';
 115                 if (i != 0 && i % DUMP_GROUPING == 0) {
 116                         (void) printf(" ");
 117                 }
 118                 (void) printf("%c", char_print);
 119         }
 120         (void) printf("\n");
 121 }
 122
 123 /*
 124  * print_block - Dump the contents of a modified block to STDOUT
 125  *
 126  * Assume that buf has capacity evenly divisible by BYTES_PER_LINE
 127  */
 128 static void
 129 print_block(char *buf, int length)
 130 {
 131         int i;
 132         /*
 133          * Start printing ASCII characters at a constant offset, after
 134          * the hex prints. Leave 3 characters per byte on a line (2 digit
 135          * hex number plus 1 space) plus spaces between characters and
 136          * groupings.
 137          */
 138         int ascii_start = BYTES_PER_LINE * 3 +
 139             BYTES_PER_LINE / DUMP_GROUPING + 2;
 140
 141         for (i = 0; i < length; i += BYTES_PER_LINE) {
 142                 int j;
 143                 int this_line_length = MIN(BYTES_PER_LINE, length - i);
 144                 int print_offset = 0;
 145
 146                 for (j = 0; j < this_line_length; j++) {
 147                         int buf_offset = i + j;
 148
 149                         /*
 150                          * Separate every DUMP_GROUPING bytes by a space.
 151                          */
 152                         if (buf_offset % DUMP_GROUPING == 0) {
 153                                 print_offset += printf(" ");
 154                         }
 155
 156                         /*
 157                          * Print the two-digit hex value for this byte.
 158                          */
 159                         unsigned char hex_print = buf[buf_offset];
 160                         print_offset += printf("%02x ", hex_print);
 161                 }
 162
 163                 (void) printf("%*s", ascii_start - print_offset, " ");
 164
 165                 print_ascii_block(buf + i, this_line_length);
 166         }
 167 }
 168
 169 int
 170 main(int argc, char *argv[])
 171 {
 172         char *buf = safe_malloc(SPA_MAXBLOCKSIZE);
 173         uint64_t drr_record_count[DRR_NUMTYPES] = { 0 };
 174         uint64_t total_records = 0;
 175         dmu_replay_record_t thedrr;
 176         dmu_replay_record_t *drr = &thedrr;
 177         struct drr_begin *drrb = &thedrr.drr_u.drr_begin;
 178         struct drr_end *drre = &thedrr.drr_u.drr_end;
 179         struct drr_object *drro = &thedrr.drr_u.drr_object;
 180         struct drr_freeobjects *drrfo = &thedrr.drr_u.drr_freeobjects;
 181         struct drr_write *drrw = &thedrr.drr_u.drr_write;
 182         struct drr_write_byref *drrwbr = &thedrr.drr_u.drr_write_byref;
 183         struct drr_free *drrf = &thedrr.drr_u.drr_free;
 184         struct drr_spill *drrs = &thedrr.drr_u.drr_spill;
 185         struct drr_write_embedded *drrwe = &thedrr.drr_u.drr_write_embedded;
 186         char c;
 187         boolean_t verbose = B_FALSE;
 188         boolean_t first = B_TRUE;
 189         /*
 190          * dump flag controls whether the contents of any modified data blocks
 191          * are printed to the console during processing of the stream. Warning:
 192          * for large streams, this can obviously lead to massive prints.
 193          */
 194         boolean_t dump = B_FALSE;
 195         int err;
 196         zio_cksum_t zc = { 0 };
 197         zio_cksum_t pcksum = { 0 };
 198
 199         while ((c = getopt(argc, argv, ":vCd")) != -1) {
 200                 switch (c) {
 201                 case 'C':
 202                         do_cksum = B_FALSE;
 203                         break;
 204                 case 'v':
 205                         verbose = B_TRUE;
 206                         break;
 207                 case 'd':
 208                         dump = B_TRUE;
 209                         verbose = B_TRUE;
 210                         break;
 211                 case ':':
 212                         (void) fprintf(stderr,
 213                             "missing argument for '%c' option\n", optopt);
 214                         usage();
 215                         break;
 216                 case '?':
 217                         (void) fprintf(stderr, "invalid option '%c'\n",
 218                             optopt);
 219                         usage();
 220                 }
 221         }
 222
 223         if (isatty(STDIN_FILENO)) {
 224                 (void) fprintf(stderr,
 225                     "Error: Backup stream can not be read "
 226                     "from a terminal.\n"
 227                     "You must redirect standard input.\n");
 228                 exit(1);
 229         }
 230
 231         send_stream = stdin;
 232         pcksum = zc;
 233         while (ssread(drr, sizeof (dmu_replay_record_t), &zc)) {
 234
 235                 /*
 236                  * If this is the first DMU record being processed, check for
 237                  * the magic bytes and figure out the endian-ness based on them.
 238                  */
 239                 if (first) {
 240                         if (drrb->drr_magic == BSWAP_64(DMU_BACKUP_MAGIC)) {
 241                                 do_byteswap = B_TRUE;
 242                                 if (do_cksum) {
 243                                         ZIO_SET_CHECKSUM(&zc, 0, 0, 0, 0);
 244                                         /*
 245                                          * recalculate header checksum now
 246                                          * that we know it needs to be
 247                                          * byteswapped.
 248                                          */
 249                                         fletcher_4_incremental_byteswap(drr,
 250                                             sizeof (dmu_replay_record_t), &zc);
 251                                 }
 252                         } else if (drrb->drr_magic != DMU_BACKUP_MAGIC) {
 253                                 (void) fprintf(stderr, "Invalid stream "
 254                                     "(bad magic number)\n");
 255                                 exit(1);
 256                         }
 257                         first = B_FALSE;
 258                 }
 259                 if (do_byteswap) {
 260                         drr->drr_type = BSWAP_32(drr->drr_type);
 261                         drr->drr_payloadlen =
 262                             BSWAP_32(drr->drr_payloadlen);
 263                 }
 264
 265                 /*
 266                  * At this point, the leading fields of the replay record
 267                  * (drr_type and drr_payloadlen) have been byte-swapped if
 268                  * necessary, but the rest of the data structure (the
 269                  * union of type-specific structures) is still in its
 270                  * original state.
 271                  */
 272                 if (drr->drr_type >= DRR_NUMTYPES) {
 273                         (void) printf("INVALID record found: type 0x%x\n",
 274                             drr->drr_type);
 275                         (void) printf("Aborting.\n");
 276                         exit(1);
 277                 }
 278
 279                 drr_record_count[drr->drr_type]++;
 280                 total_records++;
 281
 282                 switch (drr->drr_type) {
 283                 case DRR_BEGIN:
 284                         if (do_byteswap) {
 285                                 drrb->drr_magic = BSWAP_64(drrb->drr_magic);
 286                                 drrb->drr_versioninfo =
 287                                     BSWAP_64(drrb->drr_versioninfo);
 288                                 drrb->drr_creation_time =
 289                                     BSWAP_64(drrb->drr_creation_time);
 290                                 drrb->drr_type = BSWAP_32(drrb->drr_type);
 291                                 drrb->drr_flags = BSWAP_32(drrb->drr_flags);
 292                                 drrb->drr_toguid = BSWAP_64(drrb->drr_toguid);
 293                                 drrb->drr_fromguid =
 294                                     BSWAP_64(drrb->drr_fromguid);
 295                         }
 296
 297                         (void) printf("BEGIN record\n");
 298                         (void) printf("\thdrtype = %lld\n",
 299                             DMU_GET_STREAM_HDRTYPE(drrb->drr_versioninfo));
 300                         (void) printf("\tfeatures = %llx\n",
 301                             DMU_GET_FEATUREFLAGS(drrb->drr_versioninfo));
 302                         (void) printf("\tmagic = %llx\n",
 303                             (u_longlong_t)drrb->drr_magic);
 304                         (void) printf("\tcreation_time = %llx\n",
 305                             (u_longlong_t)drrb->drr_creation_time);
 306                         (void) printf("\ttype = %u\n", drrb->drr_type);
 307                         (void) printf("\tflags = 0x%x\n", drrb->drr_flags);
 308                         (void) printf("\ttoguid = %llx\n",
 309                             (u_longlong_t)drrb->drr_toguid);
 310                         (void) printf("\tfromguid = %llx\n",
 311                             (u_longlong_t)drrb->drr_fromguid);
 312                         (void) printf("\ttoname = %s\n", drrb->drr_toname);
 313                         if (verbose)
 314                                 (void) printf("\n");
 315
 316                         if ((DMU_GET_STREAM_HDRTYPE(drrb->drr_versioninfo) ==
 317                             DMU_COMPOUNDSTREAM) && drr->drr_payloadlen != 0) {
 318                                 nvlist_t *nv;
 319                                 int sz = drr->drr_payloadlen;
 320
 321                                 if (sz > SPA_MAXBLOCKSIZE) {
 322                                         free(buf);
 323                                         buf = safe_malloc(sz);
 324                                 }
 325                                 (void) ssread(buf, sz, &zc);
 326                                 if (ferror(send_stream))
 327                                         perror("fread");
 328                                 err = nvlist_unpack(buf, sz, &nv, 0);
 329                                 if (err)
 330                                         perror(strerror(err));
 331                                 nvlist_print(stdout, nv);
 332                                 nvlist_free(nv);
 333                         }
 334                         break;
 335
 336                 case DRR_END:
 337                         if (do_byteswap) {
 338                                 drre->drr_checksum.zc_word[0] =
 339                                     BSWAP_64(drre->drr_checksum.zc_word[0]);
 340                                 drre->drr_checksum.zc_word[1] =
 341                                     BSWAP_64(drre->drr_checksum.zc_word[1]);
 342                                 drre->drr_checksum.zc_word[2] =
 343                                     BSWAP_64(drre->drr_checksum.zc_word[2]);
 344                                 drre->drr_checksum.zc_word[3] =
 345                                     BSWAP_64(drre->drr_checksum.zc_word[3]);
 346                         }
 347                         /*
 348                          * We compare against the *previous* checksum
 349                          * value, because the stored checksum is of
 350                          * everything before the DRR_END record.
 351                          */
 352                         if (do_cksum && !ZIO_CHECKSUM_EQUAL(drre->drr_checksum,
 353                             pcksum)) {
 354                                 (void) printf("Expected checksum differs from "
 355                                     "checksum in stream.\n");
 356                                 (void) printf("Expected checksum = "
 357                                     "%llx/%llx/%llx/%llx\n",
 358                                     pcksum.zc_word[0],
 359                                     pcksum.zc_word[1],
 360                                     pcksum.zc_word[2],
 361                                     pcksum.zc_word[3]);
 362                         }
 363                         (void) printf("END checksum = %llx/%llx/%llx/%llx\n",
 364                             drre->drr_checksum.zc_word[0],
 365                             drre->drr_checksum.zc_word[1],
 366                             drre->drr_checksum.zc_word[2],
 367                             drre->drr_checksum.zc_word[3]);
 368
 369                         ZIO_SET_CHECKSUM(&zc, 0, 0, 0, 0);
 370                         break;
 371
 372                 case DRR_OBJECT:
 373                         if (do_byteswap) {
 374                                 drro->drr_object = BSWAP_64(drro->drr_object);
 375                                 drro->drr_type = BSWAP_32(drro->drr_type);
 376                                 drro->drr_bonustype =
 377                                     BSWAP_32(drro->drr_bonustype);
 378                                 drro->drr_blksz = BSWAP_32(drro->drr_blksz);
 379                                 drro->drr_bonuslen =
 380                                     BSWAP_32(drro->drr_bonuslen);
 381                                 drro->drr_toguid = BSWAP_64(drro->drr_toguid);
 382                         }
 383                         if (verbose) {
 384                                 (void) printf("OBJECT object = %llu type = %u "
 385                                     "bonustype = %u blksz = %u bonuslen = %u\n",
 386                                     (u_longlong_t)drro->drr_object,
 387                                     drro->drr_type,
 388                                     drro->drr_bonustype,
 389                                     drro->drr_blksz,
 390                                     drro->drr_bonuslen);
 391                         }
 392                         if (drro->drr_bonuslen > 0) {
 393                                 (void) ssread(buf,
 394                                     P2ROUNDUP(drro->drr_bonuslen, 8), &zc);
 395                                 if (dump) {
 396                                         print_block(buf,
 397                                             P2ROUNDUP(drro->drr_bonuslen, 8));
 398                                 }
 399                         }
 400                         break;
 401
 402                 case DRR_FREEOBJECTS:
 403                         if (do_byteswap) {
 404                                 drrfo->drr_firstobj =
 405                                     BSWAP_64(drrfo->drr_firstobj);
 406                                 drrfo->drr_numobjs =
 407                                     BSWAP_64(drrfo->drr_numobjs);
 408                                 drrfo->drr_toguid = BSWAP_64(drrfo->drr_toguid);
 409                         }
 410                         if (verbose) {
 411                                 (void) printf("FREEOBJECTS firstobj = %llu "
 412                                     "numobjs = %llu\n",
 413                                     (u_longlong_t)drrfo->drr_firstobj,
 414                                     (u_longlong_t)drrfo->drr_numobjs);
 415                         }
 416                         break;
 417
 418                 case DRR_WRITE:
 419                         if (do_byteswap) {
 420                                 drrw->drr_object = BSWAP_64(drrw->drr_object);
 421                                 drrw->drr_type = BSWAP_32(drrw->drr_type);
 422                                 drrw->drr_offset = BSWAP_64(drrw->drr_offset);
 423                                 drrw->drr_length = BSWAP_64(drrw->drr_length);
 424                                 drrw->drr_toguid = BSWAP_64(drrw->drr_toguid);
 425                                 drrw->drr_key.ddk_prop =
 426                                     BSWAP_64(drrw->drr_key.ddk_prop);
 427                         }
 428                         /*
 429                          * If this is verbose and/or dump output,
 430                          * print info on the modified block
 431                          */
 432                         if (verbose) {
 433                                 (void) printf("WRITE object = %llu type = %u "
 434                                     "checksum type = %u\n"
 435                                     "offset = %llu length = %llu "
 436                                     "props = %llx\n",
 437                                     (u_longlong_t)drrw->drr_object,
 438                                     drrw->drr_type,
 439                                     drrw->drr_checksumtype,
 440                                     (u_longlong_t)drrw->drr_offset,
 441                                     (u_longlong_t)drrw->drr_length,
 442                                     (u_longlong_t)drrw->drr_key.ddk_prop);
 443                         }
 444                         /*
 445                          * Read the contents of the block in from STDIN to buf
 446                          */
 447                         (void) ssread(buf, drrw->drr_length, &zc);
 448                         /*
 449                          * If in dump mode
 450                          */
 451                         if (dump) {
 452                                 print_block(buf, drrw->drr_length);
 453                         }
 454                         total_write_size += drrw->drr_length;
 455                         break;
 456
 457                 case DRR_WRITE_BYREF:
 458                         if (do_byteswap) {
 459                                 drrwbr->drr_object =
 460                                     BSWAP_64(drrwbr->drr_object);
 461                                 drrwbr->drr_offset =
 462                                     BSWAP_64(drrwbr->drr_offset);
 463                                 drrwbr->drr_length =
 464                                     BSWAP_64(drrwbr->drr_length);
 465                                 drrwbr->drr_toguid =
 466                                     BSWAP_64(drrwbr->drr_toguid);
 467                                 drrwbr->drr_refguid =
 468                                     BSWAP_64(drrwbr->drr_refguid);
 469                                 drrwbr->drr_refobject =
 470                                     BSWAP_64(drrwbr->drr_refobject);
 471                                 drrwbr->drr_refoffset =
 472                                     BSWAP_64(drrwbr->drr_refoffset);
 473                                 drrwbr->drr_key.ddk_prop =
 474                                     BSWAP_64(drrwbr->drr_key.ddk_prop);
 475                         }
 476                         if (verbose) {
 477                                 (void) printf("WRITE_BYREF object = %llu "
 478                                     "checksum type = %u props = %llx\n"
 479                                     "offset = %llu length = %llu\n"
 480                                     "toguid = %llx refguid = %llx\n"
 481                                     "refobject = %llu refoffset = %llu\n",
 482                                     (u_longlong_t)drrwbr->drr_object,
 483                                     drrwbr->drr_checksumtype,
 484                                     (u_longlong_t)drrwbr->drr_key.ddk_prop,
 485                                     (u_longlong_t)drrwbr->drr_offset,
 486                                     (u_longlong_t)drrwbr->drr_length,
 487                                     (u_longlong_t)drrwbr->drr_toguid,
 488                                     (u_longlong_t)drrwbr->drr_refguid,
 489                                     (u_longlong_t)drrwbr->drr_refobject,
 490                                     (u_longlong_t)drrwbr->drr_refoffset);
 491                         }
 492                         break;
 493
 494                 case DRR_FREE:
 495                         if (do_byteswap) {
 496                                 drrf->drr_object = BSWAP_64(drrf->drr_object);
 497                                 drrf->drr_offset = BSWAP_64(drrf->drr_offset);
 498                                 drrf->drr_length = BSWAP_64(drrf->drr_length);
 499                         }
 500                         if (verbose) {
 501                                 (void) printf("FREE object = %llu "
 502                                     "offset = %llu length = %lld\n",
 503                                     (u_longlong_t)drrf->drr_object,
 504                                     (u_longlong_t)drrf->drr_offset,
 505                                     (longlong_t)drrf->drr_length);
 506                         }
 507                         break;
 508                 case DRR_SPILL:
 509                         if (do_byteswap) {
 510                                 drrs->drr_object = BSWAP_64(drrs->drr_object);
 511                                 drrs->drr_length = BSWAP_64(drrs->drr_length);
 512                         }
 513                         if (verbose) {
 514                                 (void) printf("SPILL block for object = %llu "
 515                                     "length = %llu\n", drrs->drr_object,
 516                                     drrs->drr_length);
 517                         }
 518                         (void) ssread(buf, drrs->drr_length, &zc);
 519                         if (dump) {
 520                                 print_block(buf, drrs->drr_length);
 521                         }
 522                         break;
 523                 case DRR_WRITE_EMBEDDED:
 524                         if (do_byteswap) {
 525                                 drrwe->drr_object =
 526                                     BSWAP_64(drrwe->drr_object);
 527                                 drrwe->drr_offset =
 528                                     BSWAP_64(drrwe->drr_offset);
 529                                 drrwe->drr_length =
 530                                     BSWAP_64(drrwe->drr_length);
 531                                 drrwe->drr_toguid =
 532                                     BSWAP_64(drrwe->drr_toguid);
 533                                 drrwe->drr_lsize =
 534                                     BSWAP_32(drrwe->drr_lsize);
 535                                 drrwe->drr_psize =
 536                                     BSWAP_32(drrwe->drr_psize);
 537                         }
 538                         if (verbose) {
 539                                 (void) printf("WRITE_EMBEDDED object = %llu "
 540                                     "offset = %llu length = %llu\n"
 541                                     "toguid = %llx comp = %u etype = %u "
 542                                     "lsize = %u psize = %u\n",
 543                                     (u_longlong_t)drrwe->drr_object,
 544                                     (u_longlong_t)drrwe->drr_offset,
 545                                     (u_longlong_t)drrwe->drr_length,
 546                                     (u_longlong_t)drrwe->drr_toguid,
 547                                     drrwe->drr_compression,
 548                                     drrwe->drr_etype,
 549                                     drrwe->drr_lsize,
 550                                     drrwe->drr_psize);
 551                         }
 552                         (void) ssread(buf,
 553                             P2ROUNDUP(drrwe->drr_psize, 8), &zc);
 554                         break;
 555                 }
 556                 pcksum = zc;
 557         }
 558         free(buf);
 559
 560         /* Print final summary */
 561
 562         (void) printf("SUMMARY:\n");
 563         (void) printf("\tTotal DRR_BEGIN records = %lld\n",
 564             (u_longlong_t)drr_record_count[DRR_BEGIN]);
 565         (void) printf("\tTotal DRR_END records = %lld\n",
 566             (u_longlong_t)drr_record_count[DRR_END]);
 567         (void) printf("\tTotal DRR_OBJECT records = %lld\n",
 568             (u_longlong_t)drr_record_count[DRR_OBJECT]);
 569         (void) printf("\tTotal DRR_FREEOBJECTS records = %lld\n",
 570             (u_longlong_t)drr_record_count[DRR_FREEOBJECTS]);
 571         (void) printf("\tTotal DRR_WRITE records = %lld\n",
 572             (u_longlong_t)drr_record_count[DRR_WRITE]);
 573         (void) printf("\tTotal DRR_WRITE_BYREF records = %lld\n",
 574             (u_longlong_t)drr_record_count[DRR_WRITE_BYREF]);
 575         (void) printf("\tTotal DRR_WRITE_EMBEDDED records = %lld\n",
 576             (u_longlong_t)drr_record_count[DRR_WRITE_EMBEDDED]);
 577         (void) printf("\tTotal DRR_FREE records = %lld\n",
 578             (u_longlong_t)drr_record_count[DRR_FREE]);
 579         (void) printf("\tTotal DRR_SPILL records = %lld\n",
 580             (u_longlong_t)drr_record_count[DRR_SPILL]);
 581         (void) printf("\tTotal records = %lld\n",
 582             (u_longlong_t)total_records);
 583         (void) printf("\tTotal write size = %lld (0x%llx)\n",
 584             (u_longlong_t)total_write_size, (u_longlong_t)total_write_size);
 585         (void) printf("\tTotal stream length = %lld (0x%llx)\n",
 586             (u_longlong_t)total_stream_len, (u_longlong_t)total_stream_len);
 587         return (0);
 588 }