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) 2014 Integros [integros.com]
29 * Copyright (c) 2013, 2015 by Delphix. All rights reserved.
30 */
31
32#include <ctype.h>
33#include <libnvpair.h>
34#include <stdio.h>
35#include <stdlib.h>
36#include <strings.h>
37#include <unistd.h>
38#include <stddef.h>
39
40#include <sys/dmu.h>
41#include <sys/zfs_ioctl.h>
42#include <sys/zio.h>
43#include <zfs_fletcher.h>
44
45/*
46 * If dump mode is enabled, the number of bytes to print per line
47 */
48#define	BYTES_PER_LINE	16
49/*
50 * If dump mode is enabled, the number of bytes to group together, separated
51 * by newlines or spaces
52 */
53#define	DUMP_GROUPING	4
54
55uint64_t total_write_size = 0;
56uint64_t total_stream_len = 0;
57FILE *send_stream = 0;
58boolean_t do_byteswap = B_FALSE;
59boolean_t do_cksum = B_TRUE;
60
61static void
62usage(void)
63{
64	(void) fprintf(stderr, "usage: zstreamdump [-v] [-C] [-d] < file\n");
65	(void) fprintf(stderr, "\t -v -- verbose\n");
66	(void) fprintf(stderr, "\t -C -- suppress checksum verification\n");
67	(void) fprintf(stderr, "\t -d -- dump contents of blocks modified, "
68	    "implies verbose\n");
69	exit(1);
70}
71
72static void *
73safe_malloc(size_t size)
74{
75	void *rv = malloc(size);
76	if (rv == NULL) {
77		(void) fprintf(stderr, "ERROR; failed to allocate %zu bytes\n",
78		    size);
79		abort();
80	}
81	return (rv);
82}
83
84/*
85 * ssread - send stream read.
86 *
87 * Read while computing incremental checksum
88 */
89static size_t
90ssread(void *buf, size_t len, zio_cksum_t *cksum)
91{
92	size_t outlen;
93
94	if ((outlen = fread(buf, len, 1, send_stream)) == 0)
95		return (0);
96
97	if (do_cksum) {
98		if (do_byteswap)
99			fletcher_4_incremental_byteswap(buf, len, cksum);
100		else
101			fletcher_4_incremental_native(buf, len, cksum);
102	}
103	total_stream_len += len;
104	return (outlen);
105}
106
107static size_t
108read_hdr(dmu_replay_record_t *drr, zio_cksum_t *cksum)
109{
110	ASSERT3U(offsetof(dmu_replay_record_t, drr_u.drr_checksum.drr_checksum),
111	    ==, sizeof (dmu_replay_record_t) - sizeof (zio_cksum_t));
112	size_t r = ssread(drr, sizeof (*drr) - sizeof (zio_cksum_t), cksum);
113	if (r == 0)
114		return (0);
115	zio_cksum_t saved_cksum = *cksum;
116	r = ssread(&drr->drr_u.drr_checksum.drr_checksum,
117	    sizeof (zio_cksum_t), cksum);
118	if (r == 0)
119		return (0);
120	if (!ZIO_CHECKSUM_IS_ZERO(&drr->drr_u.drr_checksum.drr_checksum) &&
121	    !ZIO_CHECKSUM_EQUAL(saved_cksum,
122	    drr->drr_u.drr_checksum.drr_checksum)) {
123		fprintf(stderr, "invalid checksum\n");
124		(void) printf("Incorrect checksum in record header.\n");
125		(void) printf("Expected checksum = %llx/%llx/%llx/%llx\n",
126		    saved_cksum.zc_word[0],
127		    saved_cksum.zc_word[1],
128		    saved_cksum.zc_word[2],
129		    saved_cksum.zc_word[3]);
130		return (0);
131	}
132	return (sizeof (*drr));
133}
134
135/*
136 * Print part of a block in ASCII characters
137 */
138static void
139print_ascii_block(char *subbuf, int length)
140{
141	int i;
142
143	for (i = 0; i < length; i++) {
144		char char_print = isprint(subbuf[i]) ? subbuf[i] : '.';
145		if (i != 0 && i % DUMP_GROUPING == 0) {
146			(void) printf(" ");
147		}
148		(void) printf("%c", char_print);
149	}
150	(void) printf("\n");
151}
152
153/*
154 * print_block - Dump the contents of a modified block to STDOUT
155 *
156 * Assume that buf has capacity evenly divisible by BYTES_PER_LINE
157 */
158static void
159print_block(char *buf, int length)
160{
161	int i;
162	/*
163	 * Start printing ASCII characters at a constant offset, after
164	 * the hex prints. Leave 3 characters per byte on a line (2 digit
165	 * hex number plus 1 space) plus spaces between characters and
166	 * groupings.
167	 */
168	int ascii_start = BYTES_PER_LINE * 3 +
169	    BYTES_PER_LINE / DUMP_GROUPING + 2;
170
171	for (i = 0; i < length; i += BYTES_PER_LINE) {
172		int j;
173		int this_line_length = MIN(BYTES_PER_LINE, length - i);
174		int print_offset = 0;
175
176		for (j = 0; j < this_line_length; j++) {
177			int buf_offset = i + j;
178
179			/*
180			 * Separate every DUMP_GROUPING bytes by a space.
181			 */
182			if (buf_offset % DUMP_GROUPING == 0) {
183				print_offset += printf(" ");
184			}
185
186			/*
187			 * Print the two-digit hex value for this byte.
188			 */
189			unsigned char hex_print = buf[buf_offset];
190			print_offset += printf("%02x ", hex_print);
191		}
192
193		(void) printf("%*s", ascii_start - print_offset, " ");
194
195		print_ascii_block(buf + i, this_line_length);
196	}
197}
198
199int
200main(int argc, char *argv[])
201{
202	char *buf = safe_malloc(SPA_MAXBLOCKSIZE);
203	uint64_t drr_record_count[DRR_NUMTYPES] = { 0 };
204	uint64_t total_records = 0;
205	dmu_replay_record_t thedrr;
206	dmu_replay_record_t *drr = &thedrr;
207	struct drr_begin *drrb = &thedrr.drr_u.drr_begin;
208	struct drr_end *drre = &thedrr.drr_u.drr_end;
209	struct drr_object *drro = &thedrr.drr_u.drr_object;
210	struct drr_freeobjects *drrfo = &thedrr.drr_u.drr_freeobjects;
211	struct drr_write *drrw = &thedrr.drr_u.drr_write;
212	struct drr_write_byref *drrwbr = &thedrr.drr_u.drr_write_byref;
213	struct drr_free *drrf = &thedrr.drr_u.drr_free;
214	struct drr_spill *drrs = &thedrr.drr_u.drr_spill;
215	struct drr_write_embedded *drrwe = &thedrr.drr_u.drr_write_embedded;
216	struct drr_checksum *drrc = &thedrr.drr_u.drr_checksum;
217	char c;
218	boolean_t verbose = B_FALSE;
219	boolean_t very_verbose = B_FALSE;
220	boolean_t first = B_TRUE;
221	/*
222	 * dump flag controls whether the contents of any modified data blocks
223	 * are printed to the console during processing of the stream. Warning:
224	 * for large streams, this can obviously lead to massive prints.
225	 */
226	boolean_t dump = B_FALSE;
227	int err;
228	zio_cksum_t zc = { 0 };
229	zio_cksum_t pcksum = { 0 };
230
231	while ((c = getopt(argc, argv, ":vCd")) != -1) {
232		switch (c) {
233		case 'C':
234			do_cksum = B_FALSE;
235			break;
236		case 'v':
237			if (verbose)
238				very_verbose = B_TRUE;
239			verbose = B_TRUE;
240			break;
241		case 'd':
242			dump = B_TRUE;
243			verbose = B_TRUE;
244			very_verbose = B_TRUE;
245			break;
246		case ':':
247			(void) fprintf(stderr,
248			    "missing argument for '%c' option\n", optopt);
249			usage();
250			break;
251		case '?':
252			(void) fprintf(stderr, "invalid option '%c'\n",
253			    optopt);
254			usage();
255			break;
256		}
257	}
258
259	if (isatty(STDIN_FILENO)) {
260		(void) fprintf(stderr,
261		    "Error: Backup stream can not be read "
262		    "from a terminal.\n"
263		    "You must redirect standard input.\n");
264		exit(1);
265	}
266
267	send_stream = stdin;
268	pcksum = zc;
269	while (read_hdr(drr, &zc)) {
270
271		/*
272		 * If this is the first DMU record being processed, check for
273		 * the magic bytes and figure out the endian-ness based on them.
274		 */
275		if (first) {
276			if (drrb->drr_magic == BSWAP_64(DMU_BACKUP_MAGIC)) {
277				do_byteswap = B_TRUE;
278				if (do_cksum) {
279					ZIO_SET_CHECKSUM(&zc, 0, 0, 0, 0);
280					/*
281					 * recalculate header checksum now
282					 * that we know it needs to be
283					 * byteswapped.
284					 */
285					fletcher_4_incremental_byteswap(drr,
286					    sizeof (dmu_replay_record_t), &zc);
287				}
288			} else if (drrb->drr_magic != DMU_BACKUP_MAGIC) {
289				(void) fprintf(stderr, "Invalid stream "
290				    "(bad magic number)\n");
291				exit(1);
292			}
293			first = B_FALSE;
294		}
295		if (do_byteswap) {
296			drr->drr_type = BSWAP_32(drr->drr_type);
297			drr->drr_payloadlen =
298			    BSWAP_32(drr->drr_payloadlen);
299		}
300
301		/*
302		 * At this point, the leading fields of the replay record
303		 * (drr_type and drr_payloadlen) have been byte-swapped if
304		 * necessary, but the rest of the data structure (the
305		 * union of type-specific structures) is still in its
306		 * original state.
307		 */
308		if (drr->drr_type >= DRR_NUMTYPES) {
309			(void) printf("INVALID record found: type 0x%x\n",
310			    drr->drr_type);
311			(void) printf("Aborting.\n");
312			exit(1);
313		}
314
315		drr_record_count[drr->drr_type]++;
316		total_records++;
317
318		switch (drr->drr_type) {
319		case DRR_BEGIN:
320			if (do_byteswap) {
321				drrb->drr_magic = BSWAP_64(drrb->drr_magic);
322				drrb->drr_versioninfo =
323				    BSWAP_64(drrb->drr_versioninfo);
324				drrb->drr_creation_time =
325				    BSWAP_64(drrb->drr_creation_time);
326				drrb->drr_type = BSWAP_32(drrb->drr_type);
327				drrb->drr_flags = BSWAP_32(drrb->drr_flags);
328				drrb->drr_toguid = BSWAP_64(drrb->drr_toguid);
329				drrb->drr_fromguid =
330				    BSWAP_64(drrb->drr_fromguid);
331			}
332
333			(void) printf("BEGIN record\n");
334			(void) printf("\thdrtype = %lld\n",
335			    DMU_GET_STREAM_HDRTYPE(drrb->drr_versioninfo));
336			(void) printf("\tfeatures = %llx\n",
337			    DMU_GET_FEATUREFLAGS(drrb->drr_versioninfo));
338			(void) printf("\tmagic = %llx\n",
339			    (u_longlong_t)drrb->drr_magic);
340			(void) printf("\tcreation_time = %llx\n",
341			    (u_longlong_t)drrb->drr_creation_time);
342			(void) printf("\ttype = %u\n", drrb->drr_type);
343			(void) printf("\tflags = 0x%x\n", drrb->drr_flags);
344			(void) printf("\ttoguid = %llx\n",
345			    (u_longlong_t)drrb->drr_toguid);
346			(void) printf("\tfromguid = %llx\n",
347			    (u_longlong_t)drrb->drr_fromguid);
348			(void) printf("\ttoname = %s\n", drrb->drr_toname);
349			if (verbose)
350				(void) printf("\n");
351
352			if (drr->drr_payloadlen != 0) {
353				nvlist_t *nv;
354				int sz = drr->drr_payloadlen;
355
356				if (sz > SPA_MAXBLOCKSIZE) {
357					free(buf);
358					buf = safe_malloc(sz);
359				}
360				(void) ssread(buf, sz, &zc);
361				if (ferror(send_stream))
362					perror("fread");
363				err = nvlist_unpack(buf, sz, &nv, 0);
364				if (err)
365					perror(strerror(err));
366				nvlist_print(stdout, nv);
367				nvlist_free(nv);
368			}
369			break;
370
371		case DRR_END:
372			if (do_byteswap) {
373				drre->drr_checksum.zc_word[0] =
374				    BSWAP_64(drre->drr_checksum.zc_word[0]);
375				drre->drr_checksum.zc_word[1] =
376				    BSWAP_64(drre->drr_checksum.zc_word[1]);
377				drre->drr_checksum.zc_word[2] =
378				    BSWAP_64(drre->drr_checksum.zc_word[2]);
379				drre->drr_checksum.zc_word[3] =
380				    BSWAP_64(drre->drr_checksum.zc_word[3]);
381			}
382			/*
383			 * We compare against the *previous* checksum
384			 * value, because the stored checksum is of
385			 * everything before the DRR_END record.
386			 */
387			if (do_cksum && !ZIO_CHECKSUM_EQUAL(drre->drr_checksum,
388			    pcksum)) {
389				(void) printf("Expected checksum differs from "
390				    "checksum in stream.\n");
391				(void) printf("Expected checksum = "
392				    "%llx/%llx/%llx/%llx\n",
393				    pcksum.zc_word[0],
394				    pcksum.zc_word[1],
395				    pcksum.zc_word[2],
396				    pcksum.zc_word[3]);
397			}
398			(void) printf("END checksum = %llx/%llx/%llx/%llx\n",
399			    drre->drr_checksum.zc_word[0],
400			    drre->drr_checksum.zc_word[1],
401			    drre->drr_checksum.zc_word[2],
402			    drre->drr_checksum.zc_word[3]);
403
404			ZIO_SET_CHECKSUM(&zc, 0, 0, 0, 0);
405			break;
406
407		case DRR_OBJECT:
408			if (do_byteswap) {
409				drro->drr_object = BSWAP_64(drro->drr_object);
410				drro->drr_type = BSWAP_32(drro->drr_type);
411				drro->drr_bonustype =
412				    BSWAP_32(drro->drr_bonustype);
413				drro->drr_blksz = BSWAP_32(drro->drr_blksz);
414				drro->drr_bonuslen =
415				    BSWAP_32(drro->drr_bonuslen);
416				drro->drr_toguid = BSWAP_64(drro->drr_toguid);
417			}
418			if (verbose) {
419				(void) printf("OBJECT object = %" PRIu64
420				    " type = %u bonustype = %u blksz = %u"
421				    " bonuslen = %u dn_slots = %u\n",
422				    drro->drr_object,
423				    drro->drr_type,
424				    drro->drr_bonustype,
425				    drro->drr_blksz,
426				    drro->drr_bonuslen,
427				    drro->drr_dn_slots);
428			}
429			if (drro->drr_bonuslen > 0) {
430				(void) ssread(buf,
431				    P2ROUNDUP(drro->drr_bonuslen, 8), &zc);
432				if (dump) {
433					print_block(buf,
434					    P2ROUNDUP(drro->drr_bonuslen, 8));
435				}
436			}
437			break;
438
439		case DRR_FREEOBJECTS:
440			if (do_byteswap) {
441				drrfo->drr_firstobj =
442				    BSWAP_64(drrfo->drr_firstobj);
443				drrfo->drr_numobjs =
444				    BSWAP_64(drrfo->drr_numobjs);
445				drrfo->drr_toguid = BSWAP_64(drrfo->drr_toguid);
446			}
447			if (verbose) {
448				(void) printf("FREEOBJECTS firstobj = %llu "
449				    "numobjs = %llu\n",
450				    (u_longlong_t)drrfo->drr_firstobj,
451				    (u_longlong_t)drrfo->drr_numobjs);
452			}
453			break;
454
455		case DRR_WRITE:
456			if (do_byteswap) {
457				drrw->drr_object = BSWAP_64(drrw->drr_object);
458				drrw->drr_type = BSWAP_32(drrw->drr_type);
459				drrw->drr_offset = BSWAP_64(drrw->drr_offset);
460				drrw->drr_logical_size =
461				    BSWAP_64(drrw->drr_logical_size);
462				drrw->drr_toguid = BSWAP_64(drrw->drr_toguid);
463				drrw->drr_key.ddk_prop =
464				    BSWAP_64(drrw->drr_key.ddk_prop);
465				drrw->drr_compressed_size =
466				    BSWAP_64(drrw->drr_compressed_size);
467			}
468
469			uint64_t payload_size = DRR_WRITE_PAYLOAD_SIZE(drrw);
470
471			/*
472			 * If this is verbose and/or dump output,
473			 * print info on the modified block
474			 */
475			if (verbose) {
476				(void) printf("WRITE object = %llu type = %u "
477				    "checksum type = %u compression type = %u\n"
478				    "    offset = %llu logical_size = %llu "
479				    "compressed_size = %llu "
480				    "payload_size = %llu "
481				    "props = %llx\n",
482				    (u_longlong_t)drrw->drr_object,
483				    drrw->drr_type,
484				    drrw->drr_checksumtype,
485				    drrw->drr_compressiontype,
486				    (u_longlong_t)drrw->drr_offset,
487				    (u_longlong_t)drrw->drr_logical_size,
488				    (u_longlong_t)drrw->drr_compressed_size,
489				    (u_longlong_t)payload_size,
490				    (u_longlong_t)drrw->drr_key.ddk_prop);
491			}
492
493			/*
494			 * Read the contents of the block in from STDIN to buf
495			 */
496			(void) ssread(buf, payload_size, &zc);
497			/*
498			 * If in dump mode
499			 */
500			if (dump) {
501				print_block(buf, payload_size);
502			}
503			total_write_size += payload_size;
504			break;
505
506		case DRR_WRITE_BYREF:
507			if (do_byteswap) {
508				drrwbr->drr_object =
509				    BSWAP_64(drrwbr->drr_object);
510				drrwbr->drr_offset =
511				    BSWAP_64(drrwbr->drr_offset);
512				drrwbr->drr_length =
513				    BSWAP_64(drrwbr->drr_length);
514				drrwbr->drr_toguid =
515				    BSWAP_64(drrwbr->drr_toguid);
516				drrwbr->drr_refguid =
517				    BSWAP_64(drrwbr->drr_refguid);
518				drrwbr->drr_refobject =
519				    BSWAP_64(drrwbr->drr_refobject);
520				drrwbr->drr_refoffset =
521				    BSWAP_64(drrwbr->drr_refoffset);
522				drrwbr->drr_key.ddk_prop =
523				    BSWAP_64(drrwbr->drr_key.ddk_prop);
524			}
525			if (verbose) {
526				(void) printf("WRITE_BYREF object = %llu "
527				    "checksum type = %u props = %llx\n"
528				    "    offset = %llu length = %llu\n"
529				    "toguid = %llx refguid = %llx\n"
530				    "    refobject = %llu refoffset = %llu\n",
531				    (u_longlong_t)drrwbr->drr_object,
532				    drrwbr->drr_checksumtype,
533				    (u_longlong_t)drrwbr->drr_key.ddk_prop,
534				    (u_longlong_t)drrwbr->drr_offset,
535				    (u_longlong_t)drrwbr->drr_length,
536				    (u_longlong_t)drrwbr->drr_toguid,
537				    (u_longlong_t)drrwbr->drr_refguid,
538				    (u_longlong_t)drrwbr->drr_refobject,
539				    (u_longlong_t)drrwbr->drr_refoffset);
540			}
541			break;
542
543		case DRR_FREE:
544			if (do_byteswap) {
545				drrf->drr_object = BSWAP_64(drrf->drr_object);
546				drrf->drr_offset = BSWAP_64(drrf->drr_offset);
547				drrf->drr_length = BSWAP_64(drrf->drr_length);
548			}
549			if (verbose) {
550				(void) printf("FREE object = %llu "
551				    "offset = %llu length = %lld\n",
552				    (u_longlong_t)drrf->drr_object,
553				    (u_longlong_t)drrf->drr_offset,
554				    (longlong_t)drrf->drr_length);
555			}
556			break;
557		case DRR_SPILL:
558			if (do_byteswap) {
559				drrs->drr_object = BSWAP_64(drrs->drr_object);
560				drrs->drr_length = BSWAP_64(drrs->drr_length);
561			}
562			if (verbose) {
563				(void) printf("SPILL block for object = %llu "
564				    "length = %llu\n", drrs->drr_object,
565				    drrs->drr_length);
566			}
567			(void) ssread(buf, drrs->drr_length, &zc);
568			if (dump) {
569				print_block(buf, drrs->drr_length);
570			}
571			break;
572		case DRR_WRITE_EMBEDDED:
573			if (do_byteswap) {
574				drrwe->drr_object =
575				    BSWAP_64(drrwe->drr_object);
576				drrwe->drr_offset =
577				    BSWAP_64(drrwe->drr_offset);
578				drrwe->drr_length =
579				    BSWAP_64(drrwe->drr_length);
580				drrwe->drr_toguid =
581				    BSWAP_64(drrwe->drr_toguid);
582				drrwe->drr_lsize =
583				    BSWAP_32(drrwe->drr_lsize);
584				drrwe->drr_psize =
585				    BSWAP_32(drrwe->drr_psize);
586			}
587			if (verbose) {
588				(void) printf("WRITE_EMBEDDED object = %llu "
589				    "offset = %llu length = %llu\n"
590				    "    toguid = %llx comp = %u etype = %u "
591				    "lsize = %u psize = %u\n",
592				    (u_longlong_t)drrwe->drr_object,
593				    (u_longlong_t)drrwe->drr_offset,
594				    (u_longlong_t)drrwe->drr_length,
595				    (u_longlong_t)drrwe->drr_toguid,
596				    drrwe->drr_compression,
597				    drrwe->drr_etype,
598				    drrwe->drr_lsize,
599				    drrwe->drr_psize);
600			}
601			(void) ssread(buf,
602			    P2ROUNDUP(drrwe->drr_psize, 8), &zc);
603			break;
604		}
605		if (drr->drr_type != DRR_BEGIN && very_verbose) {
606			(void) printf("    checksum = %llx/%llx/%llx/%llx\n",
607			    (longlong_t)drrc->drr_checksum.zc_word[0],
608			    (longlong_t)drrc->drr_checksum.zc_word[1],
609			    (longlong_t)drrc->drr_checksum.zc_word[2],
610			    (longlong_t)drrc->drr_checksum.zc_word[3]);
611		}
612		pcksum = zc;
613	}
614	free(buf);
615
616	/* Print final summary */
617
618	(void) printf("SUMMARY:\n");
619	(void) printf("\tTotal DRR_BEGIN records = %lld\n",
620	    (u_longlong_t)drr_record_count[DRR_BEGIN]);
621	(void) printf("\tTotal DRR_END records = %lld\n",
622	    (u_longlong_t)drr_record_count[DRR_END]);
623	(void) printf("\tTotal DRR_OBJECT records = %lld\n",
624	    (u_longlong_t)drr_record_count[DRR_OBJECT]);
625	(void) printf("\tTotal DRR_FREEOBJECTS records = %lld\n",
626	    (u_longlong_t)drr_record_count[DRR_FREEOBJECTS]);
627	(void) printf("\tTotal DRR_WRITE records = %lld\n",
628	    (u_longlong_t)drr_record_count[DRR_WRITE]);
629	(void) printf("\tTotal DRR_WRITE_BYREF records = %lld\n",
630	    (u_longlong_t)drr_record_count[DRR_WRITE_BYREF]);
631	(void) printf("\tTotal DRR_WRITE_EMBEDDED records = %lld\n",
632	    (u_longlong_t)drr_record_count[DRR_WRITE_EMBEDDED]);
633	(void) printf("\tTotal DRR_FREE records = %lld\n",
634	    (u_longlong_t)drr_record_count[DRR_FREE]);
635	(void) printf("\tTotal DRR_SPILL records = %lld\n",
636	    (u_longlong_t)drr_record_count[DRR_SPILL]);
637	(void) printf("\tTotal records = %lld\n",
638	    (u_longlong_t)total_records);
639	(void) printf("\tTotal write size = %lld (0x%llx)\n",
640	    (u_longlong_t)total_write_size, (u_longlong_t)total_write_size);
641	(void) printf("\tTotal stream length = %lld (0x%llx)\n",
642	    (u_longlong_t)total_stream_len, (u_longlong_t)total_stream_len);
643	return (0);
644}
645