buffer: only set refill_buffers, it it wasn't set manually
[fio.git] / init.c
CommitLineData
906c8d75 1/*
cb2c86fd 2 * This file contains job initialization and setup functions.
906c8d75 3 */
ebac4655
JA
4#include <stdio.h>
5#include <stdlib.h>
6#include <unistd.h>
7#include <fcntl.h>
8#include <ctype.h>
9#include <string.h>
10#include <errno.h>
11#include <sys/ipc.h>
ebac4655
JA
12#include <sys/types.h>
13#include <sys/stat.h>
14
15#include "fio.h"
a5e0ee11
O
16#ifndef FIO_NO_HAVE_SHM_H
17#include <sys/shm.h>
18#endif
19
cb2c86fd 20#include "parse.h"
2e5cdb11 21#include "smalloc.h"
380065aa 22#include "filehash.h"
4f5af7b2 23#include "verify.h"
79d16311 24#include "profile.h"
50d16976 25#include "server.h"
f2a2ce0e 26#include "idletime.h"
243bfe19 27#include "filelock.h"
ebac4655 28
bf2e821a 29#include "lib/getopt.h"
e25b6d5a 30#include "lib/strcasestr.h"
bf2e821a 31
10aa136b
JA
32#include "crc/test.h"
33
3d43382c 34const char fio_version_string[] = FIO_VERSION;
214e1eca 35
ee738499 36#define FIO_RANDSEED (0xb1899bedUL)
ebac4655 37
214e1eca 38static char **ini_file;
fca70358 39static int max_jobs = FIO_MAX_JOBS;
cca73aa7 40static int dump_cmdline;
25bd16ce 41static long long def_timeout;
111e032d 42static int parse_only;
e1f36503 43
be4ecfdf 44static struct thread_data def_thread;
214e1eca 45struct thread_data *threads = NULL;
10aa136b
JA
46static char **job_sections;
47static int nr_job_sections;
e1f36503 48
214e1eca 49int exitall_on_terminate = 0;
f3afa57e 50int output_format = FIO_OUTPUT_NORMAL;
2b8c71b0 51int append_terse_output = 0;
5be4c944 52int eta_print = FIO_ETA_AUTO;
e382e661 53int eta_new_line = 0;
214e1eca
JA
54FILE *f_out = NULL;
55FILE *f_err = NULL;
07b3232d 56char *exec_profile = NULL;
a9523c6f 57int warnings_fatal = 0;
4d658652 58int terse_version = 3;
50d16976 59int is_backend = 0;
a37f69b7 60int nr_clients = 0;
e46d8091 61int log_syslog = 0;
ee738499 62
214e1eca 63int write_bw_log = 0;
4241ea8f 64int read_only = 0;
06464907 65int status_interval = 0;
214e1eca 66
ca09be4b 67char *trigger_file = NULL;
ca09be4b 68long long trigger_timeout = 0;
b63efd30
JA
69char *trigger_cmd = NULL;
70char *trigger_remote_cmd = NULL;
ca09be4b 71
214e1eca 72static int prev_group_jobs;
b4692828 73
ee56ad50 74unsigned long fio_debug = 0;
5e1d306e
JA
75unsigned int fio_debug_jobno = -1;
76unsigned int *fio_debug_jobp = NULL;
ee56ad50 77
4c6107ff 78static char cmd_optstr[256];
085399db 79static int did_arg;
4c6107ff 80
7a4b8240
JA
81#define FIO_CLIENT_FLAG (1 << 16)
82
b4692828
JA
83/*
84 * Command line options. These will contain the above, plus a few
85 * extra that only pertain to fio itself and not jobs.
86 */
5ec10eaa 87static struct option l_opts[FIO_NR_OPTIONS] = {
b4692828 88 {
08d2a19c 89 .name = (char *) "output",
b4692828 90 .has_arg = required_argument,
7a4b8240 91 .val = 'o' | FIO_CLIENT_FLAG,
b4692828
JA
92 },
93 {
08d2a19c 94 .name = (char *) "timeout",
b4692828 95 .has_arg = required_argument,
7a4b8240 96 .val = 't' | FIO_CLIENT_FLAG,
b4692828
JA
97 },
98 {
08d2a19c 99 .name = (char *) "latency-log",
b4692828 100 .has_arg = required_argument,
7a4b8240 101 .val = 'l' | FIO_CLIENT_FLAG,
b4692828
JA
102 },
103 {
08d2a19c 104 .name = (char *) "bandwidth-log",
b4692828 105 .has_arg = required_argument,
7a4b8240 106 .val = 'b' | FIO_CLIENT_FLAG,
b4692828
JA
107 },
108 {
08d2a19c 109 .name = (char *) "minimal",
c4ec0a1d 110 .has_arg = no_argument,
7a4b8240 111 .val = 'm' | FIO_CLIENT_FLAG,
b4692828 112 },
cc372b17 113 {
f3afa57e 114 .name = (char *) "output-format",
cc372b17 115 .has_arg = optional_argument,
f3afa57e 116 .val = 'F' | FIO_CLIENT_FLAG,
cc372b17 117 },
2b8c71b0
CE
118 {
119 .name = (char *) "append-terse",
120 .has_arg = optional_argument,
121 .val = 'f',
122 },
b4692828 123 {
08d2a19c 124 .name = (char *) "version",
b4692828 125 .has_arg = no_argument,
7a4b8240 126 .val = 'v' | FIO_CLIENT_FLAG,
b4692828 127 },
fd28ca49 128 {
08d2a19c 129 .name = (char *) "help",
fd28ca49 130 .has_arg = no_argument,
7a4b8240 131 .val = 'h' | FIO_CLIENT_FLAG,
fd28ca49
JA
132 },
133 {
08d2a19c 134 .name = (char *) "cmdhelp",
320beefe 135 .has_arg = optional_argument,
7a4b8240 136 .val = 'c' | FIO_CLIENT_FLAG,
fd28ca49 137 },
de890a1e 138 {
06464907 139 .name = (char *) "enghelp",
de890a1e 140 .has_arg = optional_argument,
06464907 141 .val = 'i' | FIO_CLIENT_FLAG,
de890a1e 142 },
cca73aa7 143 {
08d2a19c 144 .name = (char *) "showcmd",
cca73aa7 145 .has_arg = no_argument,
7a4b8240 146 .val = 's' | FIO_CLIENT_FLAG,
724e4435
JA
147 },
148 {
08d2a19c 149 .name = (char *) "readonly",
724e4435 150 .has_arg = no_argument,
7a4b8240 151 .val = 'r' | FIO_CLIENT_FLAG,
cca73aa7 152 },
e592a06b 153 {
08d2a19c 154 .name = (char *) "eta",
e592a06b 155 .has_arg = required_argument,
7a4b8240 156 .val = 'e' | FIO_CLIENT_FLAG,
e592a06b 157 },
e382e661
JA
158 {
159 .name = (char *) "eta-newline",
160 .has_arg = required_argument,
161 .val = 'E' | FIO_CLIENT_FLAG,
162 },
ee56ad50 163 {
08d2a19c 164 .name = (char *) "debug",
ee56ad50 165 .has_arg = required_argument,
7a4b8240 166 .val = 'd' | FIO_CLIENT_FLAG,
ee56ad50 167 },
111e032d
JA
168 {
169 .name = (char *) "parse-only",
170 .has_arg = no_argument,
171 .val = 'P' | FIO_CLIENT_FLAG,
172 },
01f06b63 173 {
08d2a19c 174 .name = (char *) "section",
01f06b63 175 .has_arg = required_argument,
7a4b8240 176 .val = 'x' | FIO_CLIENT_FLAG,
01f06b63 177 },
b26317c9
JA
178#ifdef CONFIG_ZLIB
179 {
180 .name = (char *) "inflate-log",
181 .has_arg = required_argument,
182 .val = 'X' | FIO_CLIENT_FLAG,
183 },
184#endif
2b386d25 185 {
08d2a19c 186 .name = (char *) "alloc-size",
2b386d25 187 .has_arg = required_argument,
7a4b8240 188 .val = 'a' | FIO_CLIENT_FLAG,
2b386d25 189 },
9ac8a797 190 {
08d2a19c 191 .name = (char *) "profile",
9ac8a797 192 .has_arg = required_argument,
7a4b8240 193 .val = 'p' | FIO_CLIENT_FLAG,
9ac8a797 194 },
a9523c6f 195 {
08d2a19c 196 .name = (char *) "warnings-fatal",
a9523c6f 197 .has_arg = no_argument,
7a4b8240 198 .val = 'w' | FIO_CLIENT_FLAG,
a9523c6f 199 },
fca70358
JA
200 {
201 .name = (char *) "max-jobs",
202 .has_arg = required_argument,
7a4b8240 203 .val = 'j' | FIO_CLIENT_FLAG,
fca70358 204 },
f57a9c59
JA
205 {
206 .name = (char *) "terse-version",
207 .has_arg = required_argument,
7a4b8240 208 .val = 'V' | FIO_CLIENT_FLAG,
f57a9c59 209 },
50d16976
JA
210 {
211 .name = (char *) "server",
87aa8f19 212 .has_arg = optional_argument,
50d16976
JA
213 .val = 'S',
214 },
e46d8091 215 { .name = (char *) "daemonize",
402668f3 216 .has_arg = required_argument,
e46d8091
JA
217 .val = 'D',
218 },
132159a5
JA
219 {
220 .name = (char *) "client",
221 .has_arg = required_argument,
222 .val = 'C',
223 },
323255cc
JA
224 {
225 .name = (char *) "remote-config",
226 .has_arg = required_argument,
227 .val = 'R',
228 },
7d11f871
JA
229 {
230 .name = (char *) "cpuclock-test",
231 .has_arg = no_argument,
232 .val = 'T',
233 },
fec0f21c
JA
234 {
235 .name = (char *) "crctest",
236 .has_arg = optional_argument,
237 .val = 'G',
238 },
f2a2ce0e
HL
239 {
240 .name = (char *) "idle-prof",
241 .has_arg = required_argument,
242 .val = 'I',
243 },
06464907
JA
244 {
245 .name = (char *) "status-interval",
246 .has_arg = required_argument,
247 .val = 'L',
248 },
ca09be4b 249 {
b63efd30 250 .name = (char *) "trigger-file",
ca09be4b
JA
251 .has_arg = required_argument,
252 .val = 'W',
253 },
254 {
255 .name = (char *) "trigger-timeout",
256 .has_arg = required_argument,
257 .val = 'B',
258 },
b63efd30
JA
259 {
260 .name = (char *) "trigger",
261 .has_arg = required_argument,
262 .val = 'H',
263 },
264 {
265 .name = (char *) "trigger-remote",
266 .has_arg = required_argument,
267 .val = 'J',
268 },
b4692828
JA
269 {
270 .name = NULL,
271 },
272};
273
2bb3f0a7 274void free_threads_shm(void)
9d9eb2e7 275{
9d9eb2e7
JA
276 if (threads) {
277 void *tp = threads;
c8931876
JA
278#ifndef CONFIG_NO_SHM
279 struct shmid_ds sbuf;
9d9eb2e7
JA
280
281 threads = NULL;
2bb3f0a7
JA
282 shmdt(tp);
283 shmctl(shm_id, IPC_RMID, &sbuf);
284 shm_id = -1;
c8931876
JA
285#else
286 threads = NULL;
287 free(tp);
288#endif
2bb3f0a7
JA
289 }
290}
291
10aa136b 292static void free_shm(void)
2bb3f0a7
JA
293{
294 if (threads) {
9d9eb2e7 295 file_hash_exit();
9e684a49 296 flow_exit();
9d9eb2e7 297 fio_debug_jobp = NULL;
2bb3f0a7 298 free_threads_shm();
9d9eb2e7
JA
299 }
300
b63efd30
JA
301 free(trigger_file);
302 free(trigger_cmd);
303 free(trigger_remote_cmd);
304 trigger_file = trigger_cmd = trigger_remote_cmd = NULL;
305
eb0c74ae 306 options_free(fio_options, &def_thread);
243bfe19 307 fio_filelock_exit();
9d9eb2e7
JA
308 scleanup();
309}
310
311/*
312 * The thread area is shared between the main process and the job
313 * threads/processes. So setup a shared memory segment that will hold
314 * all the job info. We use the end of the region for keeping track of
315 * open files across jobs, for file sharing.
316 */
317static int setup_thread_area(void)
318{
319 void *hash;
320
321 if (threads)
322 return 0;
323
324 /*
325 * 1024 is too much on some machines, scale max_jobs if
326 * we get a failure that looks like too large a shm segment
327 */
328 do {
329 size_t size = max_jobs * sizeof(struct thread_data);
330
331 size += file_hash_size;
332 size += sizeof(unsigned int);
333
c8931876 334#ifndef CONFIG_NO_SHM
9d9eb2e7
JA
335 shm_id = shmget(0, size, IPC_CREAT | 0600);
336 if (shm_id != -1)
337 break;
f0c77f03 338 if (errno != EINVAL && errno != ENOMEM && errno != ENOSPC) {
9d9eb2e7
JA
339 perror("shmget");
340 break;
341 }
c8931876
JA
342#else
343 threads = malloc(size);
344 if (threads)
345 break;
346#endif
9d9eb2e7
JA
347
348 max_jobs >>= 1;
349 } while (max_jobs);
350
c8931876 351#ifndef CONFIG_NO_SHM
9d9eb2e7
JA
352 if (shm_id == -1)
353 return 1;
354
355 threads = shmat(shm_id, NULL, 0);
356 if (threads == (void *) -1) {
357 perror("shmat");
358 return 1;
359 }
c8931876 360#endif
9d9eb2e7
JA
361
362 memset(threads, 0, max_jobs * sizeof(struct thread_data));
363 hash = (void *) threads + max_jobs * sizeof(struct thread_data);
364 fio_debug_jobp = (void *) hash + file_hash_size;
365 *fio_debug_jobp = -1;
366 file_hash_init(hash);
9e684a49
DE
367
368 flow_init();
369
9d9eb2e7
JA
370 return 0;
371}
372
25bd16ce
JA
373static void set_cmd_options(struct thread_data *td)
374{
375 struct thread_options *o = &td->o;
376
377 if (!o->timeout)
378 o->timeout = def_timeout;
379}
380
906c8d75
JA
381/*
382 * Return a free job structure.
383 */
de890a1e 384static struct thread_data *get_new_job(int global, struct thread_data *parent,
ef3d8e53 385 int preserve_eo, const char *jobname)
ebac4655
JA
386{
387 struct thread_data *td;
388
25bd16ce
JA
389 if (global) {
390 set_cmd_options(&def_thread);
ebac4655 391 return &def_thread;
25bd16ce 392 }
9d9eb2e7
JA
393 if (setup_thread_area()) {
394 log_err("error: failed to setup shm segment\n");
395 return NULL;
396 }
e61f1ec8
BC
397 if (thread_number >= max_jobs) {
398 log_err("error: maximum number of jobs (%d) reached.\n",
399 max_jobs);
ebac4655 400 return NULL;
e61f1ec8 401 }
ebac4655
JA
402
403 td = &threads[thread_number++];
ddaeaa5a 404 *td = *parent;
ebac4655 405
de890a1e
SL
406 td->io_ops = NULL;
407 if (!preserve_eo)
408 td->eo = NULL;
409
e0b0d892
JA
410 td->o.uid = td->o.gid = -1U;
411
cade3ef4 412 dup_files(td, parent);
de890a1e 413 fio_options_mem_dupe(td);
cade3ef4 414
15dc1934
JA
415 profile_add_hooks(td);
416
ebac4655 417 td->thread_number = thread_number;
69bdd6ba 418 td->subjob_number = 0;
108fea77 419
ef3d8e53
JA
420 if (jobname)
421 td->o.name = strdup(jobname);
422
bcdcb5ab 423 if (!parent->o.group_reporting)
108fea77
JA
424 stat_number++;
425
25bd16ce 426 set_cmd_options(td);
ebac4655
JA
427 return td;
428}
429
430static void put_job(struct thread_data *td)
431{
549577a7
JA
432 if (td == &def_thread)
433 return;
84dd1886 434
58c55ba0 435 profile_td_exit(td);
9e684a49 436 flow_exit_job(td);
549577a7 437
16edf25d 438 if (td->error)
6d86144d 439 log_info("fio: %s\n", td->verror);
16edf25d 440
7e356b2d 441 fio_options_free(td);
de890a1e
SL
442 if (td->io_ops)
443 free_ioengine(td);
7e356b2d 444
ef3d8e53
JA
445 if (td->o.name)
446 free(td->o.name);
447
ebac4655
JA
448 memset(&threads[td->thread_number - 1], 0, sizeof(*td));
449 thread_number--;
450}
451
581e7141 452static int __setup_rate(struct thread_data *td, enum fio_ddir ddir)
127f6865 453{
581e7141 454 unsigned int bs = td->o.min_bs[ddir];
127f6865 455
ff58fced
JA
456 assert(ddir_rw(ddir));
457
ba3e4e0c 458 if (td->o.rate[ddir])
1b8dbf25 459 td->rate_bps[ddir] = td->o.rate[ddir];
ba3e4e0c 460 else
1b8dbf25 461 td->rate_bps[ddir] = td->o.rate_iops[ddir] * bs;
127f6865 462
1b8dbf25 463 if (!td->rate_bps[ddir]) {
127f6865
JA
464 log_err("rate lower than supported\n");
465 return -1;
466 }
467
581e7141 468 td->rate_pending_usleep[ddir] = 0;
127f6865
JA
469 return 0;
470}
471
581e7141
JA
472static int setup_rate(struct thread_data *td)
473{
474 int ret = 0;
475
476 if (td->o.rate[DDIR_READ] || td->o.rate_iops[DDIR_READ])
477 ret = __setup_rate(td, DDIR_READ);
478 if (td->o.rate[DDIR_WRITE] || td->o.rate_iops[DDIR_WRITE])
479 ret |= __setup_rate(td, DDIR_WRITE);
6eaf09d6
SL
480 if (td->o.rate[DDIR_TRIM] || td->o.rate_iops[DDIR_TRIM])
481 ret |= __setup_rate(td, DDIR_TRIM);
581e7141
JA
482
483 return ret;
484}
485
8347239a
JA
486static int fixed_block_size(struct thread_options *o)
487{
488 return o->min_bs[DDIR_READ] == o->max_bs[DDIR_READ] &&
489 o->min_bs[DDIR_WRITE] == o->max_bs[DDIR_WRITE] &&
6eaf09d6
SL
490 o->min_bs[DDIR_TRIM] == o->max_bs[DDIR_TRIM] &&
491 o->min_bs[DDIR_READ] == o->min_bs[DDIR_WRITE] &&
492 o->min_bs[DDIR_READ] == o->min_bs[DDIR_TRIM];
8347239a
JA
493}
494
23ed19b0
CE
495
496static unsigned long long get_rand_start_delay(struct thread_data *td)
497{
498 unsigned long long delayrange;
c3546b53 499 uint64_t frand_max;
23ed19b0
CE
500 unsigned long r;
501
502 delayrange = td->o.start_delay_high - td->o.start_delay;
503
c3546b53 504 frand_max = rand_max(&td->delay_state);
d6b72507 505 r = __rand(&td->delay_state);
c3546b53 506 delayrange = (unsigned long long) ((double) delayrange * (r / (frand_max + 1.0)));
23ed19b0
CE
507
508 delayrange += td->o.start_delay;
509 return delayrange;
510}
511
dad915e3
JA
512/*
513 * Lazy way of fixing up options that depend on each other. We could also
514 * define option callback handlers, but this is easier.
515 */
4e991c23 516static int fixup_options(struct thread_data *td)
e1f36503 517{
2dc1bbeb 518 struct thread_options *o = &td->o;
eefd98b1 519 int ret = 0;
dad915e3 520
f356d01d 521#ifndef FIO_HAVE_PSHARED_MUTEX
9bbf57cc 522 if (!o->use_thread) {
f356d01d
JA
523 log_info("fio: this platform does not support process shared"
524 " mutexes, forcing use of threads. Use the 'thread'"
525 " option to get rid of this warning.\n");
9bbf57cc 526 o->use_thread = 1;
a9523c6f 527 ret = warnings_fatal;
f356d01d
JA
528 }
529#endif
530
2dc1bbeb 531 if (o->write_iolog_file && o->read_iolog_file) {
076efc7c 532 log_err("fio: read iolog overrides write_iolog\n");
2dc1bbeb
JA
533 free(o->write_iolog_file);
534 o->write_iolog_file = NULL;
a9523c6f 535 ret = warnings_fatal;
076efc7c 536 }
16b462ae 537
16b462ae 538 /*
ed335855 539 * only really works with 1 file
16b462ae 540 */
627aa1a8 541 if (o->zone_size && o->open_files > 1)
2dc1bbeb 542 o->zone_size = 0;
16b462ae 543
ed335855
SN
544 /*
545 * If zone_range isn't specified, backward compatibility dictates it
546 * should be made equal to zone_size.
547 */
548 if (o->zone_size && !o->zone_range)
549 o->zone_range = o->zone_size;
550
16b462ae
JA
551 /*
552 * Reads can do overwrites, we always need to pre-create the file
553 */
554 if (td_read(td) || td_rw(td))
2dc1bbeb 555 o->overwrite = 1;
16b462ae 556
2dc1bbeb 557 if (!o->min_bs[DDIR_READ])
5ec10eaa 558 o->min_bs[DDIR_READ] = o->bs[DDIR_READ];
2dc1bbeb
JA
559 if (!o->max_bs[DDIR_READ])
560 o->max_bs[DDIR_READ] = o->bs[DDIR_READ];
561 if (!o->min_bs[DDIR_WRITE])
5ec10eaa 562 o->min_bs[DDIR_WRITE] = o->bs[DDIR_WRITE];
2dc1bbeb
JA
563 if (!o->max_bs[DDIR_WRITE])
564 o->max_bs[DDIR_WRITE] = o->bs[DDIR_WRITE];
6eaf09d6
SL
565 if (!o->min_bs[DDIR_TRIM])
566 o->min_bs[DDIR_TRIM] = o->bs[DDIR_TRIM];
567 if (!o->max_bs[DDIR_TRIM])
568 o->max_bs[DDIR_TRIM] = o->bs[DDIR_TRIM];
569
2dc1bbeb 570 o->rw_min_bs = min(o->min_bs[DDIR_READ], o->min_bs[DDIR_WRITE]);
6eaf09d6 571 o->rw_min_bs = min(o->min_bs[DDIR_TRIM], o->rw_min_bs);
a00735e6 572
2b7a01d0
JA
573 /*
574 * For random IO, allow blockalign offset other than min_bs.
575 */
576 if (!o->ba[DDIR_READ] || !td_random(td))
577 o->ba[DDIR_READ] = o->min_bs[DDIR_READ];
578 if (!o->ba[DDIR_WRITE] || !td_random(td))
579 o->ba[DDIR_WRITE] = o->min_bs[DDIR_WRITE];
6eaf09d6
SL
580 if (!o->ba[DDIR_TRIM] || !td_random(td))
581 o->ba[DDIR_TRIM] = o->min_bs[DDIR_TRIM];
2b7a01d0
JA
582
583 if ((o->ba[DDIR_READ] != o->min_bs[DDIR_READ] ||
6eaf09d6
SL
584 o->ba[DDIR_WRITE] != o->min_bs[DDIR_WRITE] ||
585 o->ba[DDIR_TRIM] != o->min_bs[DDIR_TRIM]) &&
9bbf57cc 586 !o->norandommap) {
2b7a01d0 587 log_err("fio: Any use of blockalign= turns off randommap\n");
9bbf57cc 588 o->norandommap = 1;
a9523c6f 589 ret = warnings_fatal;
2b7a01d0
JA
590 }
591
2dc1bbeb
JA
592 if (!o->file_size_high)
593 o->file_size_high = o->file_size_low;
9c60ce64 594
23ed19b0
CE
595 if (o->start_delay_high)
596 o->start_delay = get_rand_start_delay(td);
597
8347239a
JA
598 if (o->norandommap && o->verify != VERIFY_NONE
599 && !fixed_block_size(o)) {
600 log_err("fio: norandommap given for variable block sizes, "
83da8fbf 601 "verify limited\n");
a9523c6f 602 ret = warnings_fatal;
bb8895e0 603 }
2dc1bbeb 604 if (o->bs_unaligned && (o->odirect || td->io_ops->flags & FIO_RAWIO))
690adba3 605 log_err("fio: bs_unaligned may not work with raw io\n");
e0a22335 606
48097d5c
JA
607 /*
608 * thinktime_spin must be less than thinktime
609 */
2dc1bbeb
JA
610 if (o->thinktime_spin > o->thinktime)
611 o->thinktime_spin = o->thinktime;
e916b390
JA
612
613 /*
614 * The low water mark cannot be bigger than the iodepth
615 */
67bf9823
JA
616 if (o->iodepth_low > o->iodepth || !o->iodepth_low)
617 o->iodepth_low = o->iodepth;
cb5ab512
JA
618
619 /*
620 * If batch number isn't set, default to the same as iodepth
621 */
2dc1bbeb
JA
622 if (o->iodepth_batch > o->iodepth || !o->iodepth_batch)
623 o->iodepth_batch = o->iodepth;
b5af8293 624
2dc1bbeb
JA
625 if (o->nr_files > td->files_index)
626 o->nr_files = td->files_index;
9f9214f2 627
2dc1bbeb
JA
628 if (o->open_files > o->nr_files || !o->open_files)
629 o->open_files = o->nr_files;
4e991c23 630
6eaf09d6
SL
631 if (((o->rate[DDIR_READ] + o->rate[DDIR_WRITE] + o->rate[DDIR_TRIM]) &&
632 (o->rate_iops[DDIR_READ] + o->rate_iops[DDIR_WRITE] + o->rate_iops[DDIR_TRIM])) ||
633 ((o->ratemin[DDIR_READ] + o->ratemin[DDIR_WRITE] + o->ratemin[DDIR_TRIM]) &&
634 (o->rate_iops_min[DDIR_READ] + o->rate_iops_min[DDIR_WRITE] + o->rate_iops_min[DDIR_TRIM]))) {
4e991c23 635 log_err("fio: rate and rate_iops are mutually exclusive\n");
a9523c6f 636 ret = 1;
4e991c23 637 }
6eaf09d6
SL
638 if ((o->rate[DDIR_READ] < o->ratemin[DDIR_READ]) ||
639 (o->rate[DDIR_WRITE] < o->ratemin[DDIR_WRITE]) ||
640 (o->rate[DDIR_TRIM] < o->ratemin[DDIR_TRIM]) ||
641 (o->rate_iops[DDIR_READ] < o->rate_iops_min[DDIR_READ]) ||
642 (o->rate_iops[DDIR_WRITE] < o->rate_iops_min[DDIR_WRITE]) ||
643 (o->rate_iops[DDIR_TRIM] < o->rate_iops_min[DDIR_TRIM])) {
4e991c23 644 log_err("fio: minimum rate exceeds rate\n");
a9523c6f 645 ret = 1;
4e991c23
JA
646 }
647
cf4464ca
JA
648 if (!o->timeout && o->time_based) {
649 log_err("fio: time_based requires a runtime/timeout setting\n");
650 o->time_based = 0;
a9523c6f 651 ret = warnings_fatal;
cf4464ca
JA
652 }
653
aa31f1f1 654 if (o->fill_device && !o->size)
5921e80c 655 o->size = -1ULL;
5ec10eaa 656
9bbf57cc 657 if (o->verify != VERIFY_NONE) {
996936f9 658 if (td_write(td) && o->do_verify && o->numjobs > 1) {
a9523c6f
JA
659 log_info("Multiple writers may overwrite blocks that "
660 "belong to other jobs. This can cause "
661 "verification failures.\n");
662 ret = warnings_fatal;
663 }
664
7627557b
JA
665 if (!fio_option_is_set(o, refill_buffers))
666 o->refill_buffers = 1;
667
2f1b8e8b
JA
668 if (o->max_bs[DDIR_WRITE] != o->min_bs[DDIR_WRITE] &&
669 !o->verify_interval)
670 o->verify_interval = o->min_bs[DDIR_WRITE];
7ffa8930
JA
671
672 /*
673 * Verify interval must be smaller or equal to the
674 * write size.
675 */
676 if (o->verify_interval > o->min_bs[DDIR_WRITE])
677 o->verify_interval = o->min_bs[DDIR_WRITE];
678 else if (td_read(td) && o->verify_interval > o->min_bs[DDIR_READ])
679 o->verify_interval = o->min_bs[DDIR_READ];
d990588e 680 }
41ccd845 681
9bbf57cc
JA
682 if (o->pre_read) {
683 o->invalidate_cache = 0;
a9523c6f 684 if (td->io_ops->flags & FIO_PIPEIO) {
9c0d2241
JA
685 log_info("fio: cannot pre-read files with an IO engine"
686 " that isn't seekable. Pre-read disabled.\n");
a9523c6f
JA
687 ret = warnings_fatal;
688 }
9c0d2241 689 }
34f1c044 690
ad705bcb
SN
691 if (!o->unit_base) {
692 if (td->io_ops->flags & FIO_BIT_BASED)
693 o->unit_base = 1;
694 else
695 o->unit_base = 8;
696 }
697
67bf9823 698#ifndef CONFIG_FDATASYNC
9bbf57cc 699 if (o->fdatasync_blocks) {
e72fa4d4
JA
700 log_info("fio: this platform does not support fdatasync()"
701 " falling back to using fsync(). Use the 'fsync'"
702 " option instead of 'fdatasync' to get rid of"
703 " this warning\n");
9bbf57cc
JA
704 o->fsync_blocks = o->fdatasync_blocks;
705 o->fdatasync_blocks = 0;
a9523c6f 706 ret = warnings_fatal;
e72fa4d4
JA
707 }
708#endif
709
93bcfd20
BC
710#ifdef WIN32
711 /*
712 * Windows doesn't support O_DIRECT or O_SYNC with the _open interface,
713 * so fail if we're passed those flags
714 */
715 if ((td->io_ops->flags & FIO_SYNCIO) && (td->o.odirect || td->o.sync_io)) {
716 log_err("fio: Windows does not support direct or non-buffered io with"
717 " the synchronous ioengines. Use the 'windowsaio' ioengine"
718 " with 'direct=1' and 'iodepth=1' instead.\n");
719 ret = 1;
720 }
721#endif
722
811ac503
JA
723 /*
724 * For fully compressible data, just zero them at init time.
725 * It's faster than repeatedly filling it.
726 */
727 if (td->o.compress_percentage == 100) {
728 td->o.zero_buffers = 1;
729 td->o.compress_percentage = 0;
730 }
731
5881fda4
JA
732 /*
733 * Using a non-uniform random distribution excludes usage of
734 * a random map
735 */
736 if (td->o.random_distribution != FIO_RAND_DIST_RANDOM)
737 td->o.norandommap = 1;
738
8d916c94
JA
739 /*
740 * If size is set but less than the min block size, complain
741 */
742 if (o->size && o->size < td_min_bs(td)) {
743 log_err("fio: size too small, must be larger than the IO size: %llu\n", (unsigned long long) o->size);
744 ret = 1;
745 }
746
d01612f3
CM
747 /*
748 * O_ATOMIC implies O_DIRECT
749 */
750 if (td->o.oatomic)
751 td->o.odirect = 1;
752
04778baf
JA
753 /*
754 * If randseed is set, that overrides randrepeat
755 */
40fe5e7b 756 if (fio_option_is_set(&td->o, rand_seed))
04778baf
JA
757 td->o.rand_repeatable = 0;
758
b1bebc32
JA
759 if ((td->io_ops->flags & FIO_NOEXTEND) && td->o.file_append) {
760 log_err("fio: can't append/extent with IO engine %s\n", td->io_ops->name);
761 ret = 1;
762 }
763
79c896a1
JA
764 if (fio_option_is_set(o, gtod_cpu)) {
765 fio_gtod_init();
766 fio_gtod_set_cpu(o->gtod_cpu);
767 fio_gtod_offload = 1;
768 }
769
cf8a46a7
JA
770 td->loops = o->loops;
771 if (!td->loops)
772 td->loops = 1;
773
66347cfa
DE
774 if (td->o.block_error_hist && td->o.nr_files != 1) {
775 log_err("fio: block error histogram only available with "
776 "with a single file per job, but %d files "
777 "provided\n", td->o.nr_files);
778 ret = 1;
779 }
780
a9523c6f 781 return ret;
e1f36503
JA
782}
783
f8977ee6
JA
784/*
785 * This function leaks the buffer
786 */
99d633af 787char *fio_uint_to_kmg(unsigned int val)
f8977ee6
JA
788{
789 char *buf = malloc(32);
f3502ba2 790 char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 };
f8977ee6
JA
791 char *p = post;
792
245142ff 793 do {
f8977ee6
JA
794 if (val & 1023)
795 break;
796
797 val >>= 10;
798 p++;
245142ff 799 } while (*p);
f8977ee6 800
98ffb8f3 801 snprintf(buf, 32, "%u%c", val, *p);
f8977ee6
JA
802 return buf;
803}
804
09629a90
JA
805/* External engines are specified by "external:name.o") */
806static const char *get_engine_name(const char *str)
807{
808 char *p = strstr(str, ":");
809
810 if (!p)
811 return str;
812
813 p++;
814 strip_blank_front(&p);
815 strip_blank_end(p);
816 return p;
817}
818
e132cbae
JA
819static int exists_and_not_file(const char *filename)
820{
821 struct stat sb;
822
823 if (lstat(filename, &sb) == -1)
824 return 0;
825
ecc314ba
BC
826 /* \\.\ is the device namespace in Windows, where every file
827 * is a device node */
828 if (S_ISREG(sb.st_mode) && strncmp(filename, "\\\\.\\", 4) != 0)
e132cbae
JA
829 return 0;
830
831 return 1;
832}
833
c3546b53 834static void td_fill_rand_seeds_internal(struct thread_data *td, int use64)
4c07ad86 835{
c3546b53
JA
836 init_rand_seed(&td->bsrange_state, td->rand_seeds[FIO_RAND_BS_OFF], use64);
837 init_rand_seed(&td->verify_state, td->rand_seeds[FIO_RAND_VER_OFF], use64);
838 init_rand_seed(&td->rwmix_state, td->rand_seeds[FIO_RAND_MIX_OFF], use64);
4c07ad86
JA
839
840 if (td->o.file_service_type == FIO_FSERVICE_RANDOM)
c3546b53 841 init_rand_seed(&td->next_file_state, td->rand_seeds[FIO_RAND_FILE_OFF], use64);
4c07ad86 842
c3546b53
JA
843 init_rand_seed(&td->file_size_state, td->rand_seeds[FIO_RAND_FILE_SIZE_OFF], use64);
844 init_rand_seed(&td->trim_state, td->rand_seeds[FIO_RAND_TRIM_OFF], use64);
845 init_rand_seed(&td->delay_state, td->rand_seeds[FIO_RAND_START_DELAY], use64);
4c07ad86
JA
846
847 if (!td_random(td))
848 return;
849
850 if (td->o.rand_repeatable)
d24945f0 851 td->rand_seeds[FIO_RAND_BLOCK_OFF] = FIO_RANDSEED * td->thread_number;
4c07ad86 852
c3546b53
JA
853 init_rand_seed(&td->random_state, td->rand_seeds[FIO_RAND_BLOCK_OFF], use64);
854 init_rand_seed(&td->seq_rand_state[DDIR_READ], td->rand_seeds[FIO_RAND_SEQ_RAND_READ_OFF], use64);
855 init_rand_seed(&td->seq_rand_state[DDIR_WRITE], td->rand_seeds[FIO_RAND_SEQ_RAND_WRITE_OFF], use64);
856 init_rand_seed(&td->seq_rand_state[DDIR_TRIM], td->rand_seeds[FIO_RAND_SEQ_RAND_TRIM_OFF], use64);
5bfc35d7
JA
857}
858
4c07ad86
JA
859void td_fill_rand_seeds(struct thread_data *td)
860{
c3546b53
JA
861 int use64;
862
56e2a5fc 863 if (td->o.allrand_repeatable) {
5c94b008
JA
864 unsigned int i;
865
866 for (i = 0; i < FIO_RAND_NR_OFFS; i++)
56e2a5fc
CE
867 td->rand_seeds[i] = FIO_RANDSEED * td->thread_number
868 + i;
869 }
870
c3546b53
JA
871 if (td->o.random_generator == FIO_RAND_GEN_TAUSWORTHE64)
872 use64 = 1;
873 else
874 use64 = 0;
875
876 td_fill_rand_seeds_internal(td, use64);
3545a109 877
c3546b53 878 init_rand_seed(&td->buf_state, td->rand_seeds[FIO_RAND_BUF_OFF], use64);
5c94b008
JA
879 frand_copy(&td->buf_state_prev, &td->buf_state);
880
c3546b53 881 init_rand_seed(&td->dedupe_state, td->rand_seeds[FIO_DEDUPE_OFF], use64);
4c07ad86
JA
882}
883
de890a1e
SL
884/*
885 * Initializes the ioengine configured for a job, if it has not been done so
886 * already.
887 */
888int ioengine_load(struct thread_data *td)
889{
890 const char *engine;
891
892 /*
893 * Engine has already been loaded.
894 */
895 if (td->io_ops)
896 return 0;
6e5c4b8e
JA
897 if (!td->o.ioengine) {
898 log_err("fio: internal fault, no IO engine specified\n");
899 return 1;
900 }
de890a1e
SL
901
902 engine = get_engine_name(td->o.ioengine);
903 td->io_ops = load_ioengine(td, engine);
904 if (!td->io_ops) {
905 log_err("fio: failed to load engine %s\n", engine);
906 return 1;
907 }
908
909 if (td->io_ops->option_struct_size && td->io_ops->options) {
910 /*
911 * In cases where td->eo is set, clone it for a child thread.
912 * This requires that the parent thread has the same ioengine,
913 * but that requirement must be enforced by the code which
914 * cloned the thread.
915 */
916 void *origeo = td->eo;
917 /*
918 * Otherwise use the default thread options.
919 */
920 if (!origeo && td != &def_thread && def_thread.eo &&
921 def_thread.io_ops->options == td->io_ops->options)
922 origeo = def_thread.eo;
923
924 options_init(td->io_ops->options);
925 td->eo = malloc(td->io_ops->option_struct_size);
926 /*
927 * Use the default thread as an option template if this uses the
928 * same options structure and there are non-default options
929 * used.
930 */
931 if (origeo) {
932 memcpy(td->eo, origeo, td->io_ops->option_struct_size);
933 options_mem_dupe(td->eo, td->io_ops->options);
934 } else {
935 memset(td->eo, 0, td->io_ops->option_struct_size);
936 fill_default_options(td->eo, td->io_ops->options);
937 }
938 *(struct thread_data **)td->eo = td;
939 }
940
941 return 0;
942}
943
d72be545
JA
944static void init_flags(struct thread_data *td)
945{
946 struct thread_options *o = &td->o;
947
948 if (o->verify_backlog)
949 td->flags |= TD_F_VER_BACKLOG;
950 if (o->trim_backlog)
951 td->flags |= TD_F_TRIM_BACKLOG;
952 if (o->read_iolog_file)
953 td->flags |= TD_F_READ_IOLOG;
954 if (o->refill_buffers)
955 td->flags |= TD_F_REFILL_BUFFERS;
1bf2498d 956 /*
b04f5905 957 * Always scramble buffers if asked to
1bf2498d 958 */
b04f5905
JA
959 if (o->scramble_buffers && fio_option_is_set(o, scramble_buffers))
960 td->flags |= TD_F_SCRAMBLE_BUFFERS;
961 /*
962 * But also scramble buffers, unless we were explicitly asked
963 * to zero them.
964 */
965 if (o->scramble_buffers && !(o->zero_buffers &&
966 fio_option_is_set(o, zero_buffers)))
d72be545
JA
967 td->flags |= TD_F_SCRAMBLE_BUFFERS;
968 if (o->verify != VERIFY_NONE)
969 td->flags |= TD_F_VER_NONE;
a9da8ab2
JA
970
971 if (o->verify_async || o->io_submit_mode == IO_MODE_OFFLOAD)
972 td->flags |= TD_F_NEED_LOCK;
d72be545
JA
973}
974
9dbc7bfe
JA
975static int setup_random_seeds(struct thread_data *td)
976{
977 unsigned long seed;
978 unsigned int i;
979
40fe5e7b 980 if (!td->o.rand_repeatable && !fio_option_is_set(&td->o, rand_seed))
9dbc7bfe
JA
981 return init_random_state(td, td->rand_seeds, sizeof(td->rand_seeds));
982
40fe5e7b 983 seed = td->o.rand_seed;
04778baf 984 for (i = 0; i < 4; i++)
9dbc7bfe
JA
985 seed *= 0x9e370001UL;
986
987 for (i = 0; i < FIO_RAND_NR_OFFS; i++) {
988 td->rand_seeds[i] = seed;
989 seed *= 0x9e370001UL;
990 }
991
992 td_fill_rand_seeds(td);
993 return 0;
994}
995
de98bd30
JA
996enum {
997 FPRE_NONE = 0,
998 FPRE_JOBNAME,
999 FPRE_JOBNUM,
1000 FPRE_FILENUM
1001};
1002
1003static struct fpre_keyword {
1004 const char *keyword;
1005 size_t strlen;
1006 int key;
1007} fpre_keywords[] = {
1008 { .keyword = "$jobname", .key = FPRE_JOBNAME, },
1009 { .keyword = "$jobnum", .key = FPRE_JOBNUM, },
1010 { .keyword = "$filenum", .key = FPRE_FILENUM, },
1011 { .keyword = NULL, },
1012 };
1013
3660ceae 1014static char *make_filename(char *buf, size_t buf_size,struct thread_options *o,
de98bd30
JA
1015 const char *jobname, int jobnum, int filenum)
1016{
1017 struct fpre_keyword *f;
1018 char copy[PATH_MAX];
b400a20e 1019 size_t dst_left = PATH_MAX - 1;
de98bd30
JA
1020
1021 if (!o->filename_format || !strlen(o->filename_format)) {
1022 sprintf(buf, "%s.%d.%d", jobname, jobnum, filenum);
1023 return NULL;
1024 }
1025
1026 for (f = &fpre_keywords[0]; f->keyword; f++)
1027 f->strlen = strlen(f->keyword);
1028
3660ceae
JA
1029 buf[buf_size - 1] = '\0';
1030 strncpy(buf, o->filename_format, buf_size - 1);
1031
de98bd30
JA
1032 memset(copy, 0, sizeof(copy));
1033 for (f = &fpre_keywords[0]; f->keyword; f++) {
1034 do {
1035 size_t pre_len, post_start = 0;
1036 char *str, *dst = copy;
1037
e25b6d5a 1038 str = strcasestr(buf, f->keyword);
de98bd30
JA
1039 if (!str)
1040 break;
1041
1042 pre_len = str - buf;
1043 if (strlen(str) != f->strlen)
1044 post_start = pre_len + f->strlen;
1045
1046 if (pre_len) {
1047 strncpy(dst, buf, pre_len);
1048 dst += pre_len;
73a467e6 1049 dst_left -= pre_len;
de98bd30
JA
1050 }
1051
1052 switch (f->key) {
73a467e6
JA
1053 case FPRE_JOBNAME: {
1054 int ret;
1055
1056 ret = snprintf(dst, dst_left, "%s", jobname);
1057 if (ret < 0)
1058 break;
17a2be59
JA
1059 else if (ret > dst_left) {
1060 log_err("fio: truncated filename\n");
1061 dst += dst_left;
1062 dst_left = 0;
1063 } else {
1064 dst += ret;
1065 dst_left -= ret;
1066 }
de98bd30 1067 break;
73a467e6
JA
1068 }
1069 case FPRE_JOBNUM: {
1070 int ret;
1071
1072 ret = snprintf(dst, dst_left, "%d", jobnum);
1073 if (ret < 0)
1074 break;
17a2be59
JA
1075 else if (ret > dst_left) {
1076 log_err("fio: truncated filename\n");
1077 dst += dst_left;
1078 dst_left = 0;
1079 } else {
1080 dst += ret;
1081 dst_left -= ret;
1082 }
de98bd30 1083 break;
73a467e6
JA
1084 }
1085 case FPRE_FILENUM: {
1086 int ret;
1087
1088 ret = snprintf(dst, dst_left, "%d", filenum);
1089 if (ret < 0)
1090 break;
17a2be59
JA
1091 else if (ret > dst_left) {
1092 log_err("fio: truncated filename\n");
1093 dst += dst_left;
1094 dst_left = 0;
1095 } else {
1096 dst += ret;
1097 dst_left -= ret;
1098 }
de98bd30 1099 break;
73a467e6 1100 }
de98bd30
JA
1101 default:
1102 assert(0);
1103 break;
1104 }
1105
1106 if (post_start)
73a467e6 1107 strncpy(dst, buf + post_start, dst_left);
de98bd30 1108
3660ceae 1109 strncpy(buf, copy, buf_size - 1);
de98bd30
JA
1110 } while (1);
1111 }
1112
1113 return buf;
1114}
f9633d72
JA
1115
1116int parse_dryrun(void)
1117{
1118 return dump_cmdline || parse_only;
1119}
1120
3a5db920
JA
1121static void gen_log_name(char *name, size_t size, const char *logtype,
1122 const char *logname, unsigned int num,
1123 const char *suf, int per_job)
1124{
1125 if (per_job)
1126 snprintf(name, size, "%s_%s.%d.%s", logname, logtype, num, suf);
1127 else
1128 snprintf(name, size, "%s_%s.%s", logname, logtype, suf);
1129}
1130
906c8d75
JA
1131/*
1132 * Adds a job to the list of things todo. Sanitizes the various options
1133 * to make sure we don't have conflicts, and initializes various
1134 * members of td.
1135 */
b7cfb2e1 1136static int add_job(struct thread_data *td, const char *jobname, int job_add_num,
46bcd498 1137 int recursed, int client_type)
ebac4655 1138{
af52b345 1139 unsigned int i;
af52b345 1140 char fname[PATH_MAX];
e132cbae 1141 int numjobs, file_alloced;
de98bd30 1142 struct thread_options *o = &td->o;
cb7e0ace 1143 char logname[PATH_MAX + 32];
ebac4655 1144
ebac4655
JA
1145 /*
1146 * the def_thread is just for options, it's not a real job
1147 */
1148 if (td == &def_thread)
1149 return 0;
1150
d72be545
JA
1151 init_flags(td);
1152
cca73aa7
JA
1153 /*
1154 * if we are just dumping the output command line, don't add the job
1155 */
f9633d72 1156 if (parse_dryrun()) {
cca73aa7
JA
1157 put_job(td);
1158 return 0;
1159 }
1160
46bcd498
JA
1161 td->client_type = client_type;
1162
58c55ba0 1163 if (profile_td_init(td))
66251554 1164 goto err;
58c55ba0 1165
de890a1e 1166 if (ioengine_load(td))
205927a3 1167 goto err;
df64119d 1168
de98bd30 1169 if (o->odirect)
690adba3
JA
1170 td->io_ops->flags |= FIO_RAWIO;
1171
e132cbae 1172 file_alloced = 0;
de98bd30 1173 if (!o->filename && !td->files_index && !o->read_iolog_file) {
e132cbae 1174 file_alloced = 1;
80be24f4 1175
de98bd30 1176 if (o->nr_files == 1 && exists_and_not_file(jobname))
5903e7b7 1177 add_file(td, jobname, job_add_num, 0);
7b05a215 1178 else {
de98bd30 1179 for (i = 0; i < o->nr_files; i++)
3660ceae 1180 add_file(td, make_filename(fname, sizeof(fname), o, jobname, job_add_num, i), job_add_num, 0);
af52b345 1181 }
0af7b542 1182 }
ebac4655 1183
4e991c23
JA
1184 if (fixup_options(td))
1185 goto err;
e0a22335 1186
9e684a49
DE
1187 flow_init_job(td);
1188
de890a1e
SL
1189 /*
1190 * IO engines only need this for option callbacks, and the address may
1191 * change in subprocesses.
1192 */
1193 if (td->eo)
1194 *(struct thread_data **)td->eo = NULL;
1195
07eb79df
JA
1196 if (td->io_ops->flags & FIO_DISKLESSIO) {
1197 struct fio_file *f;
1198
1199 for_each_file(td, f, i)
1200 f->real_file_size = -1ULL;
1201 }
1202
521da527 1203 td->mutex = fio_mutex_init(FIO_MUTEX_LOCKED);
ebac4655 1204
de98bd30
JA
1205 td->ts.clat_percentiles = o->clat_percentiles;
1206 td->ts.percentile_precision = o->percentile_precision;
1207 memcpy(td->ts.percentile_list, o->percentile_list, sizeof(o->percentile_list));
83349190 1208
6eaf09d6
SL
1209 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
1210 td->ts.clat_stat[i].min_val = ULONG_MAX;
1211 td->ts.slat_stat[i].min_val = ULONG_MAX;
1212 td->ts.lat_stat[i].min_val = ULONG_MAX;
1213 td->ts.bw_stat[i].min_val = ULONG_MAX;
1214 }
de98bd30 1215 td->ddir_seq_nr = o->ddir_seq_nr;
ebac4655 1216
de98bd30 1217 if ((o->stonewall || o->new_group) && prev_group_jobs) {
3c5df6fa 1218 prev_group_jobs = 0;
ebac4655 1219 groupid++;
3c5df6fa 1220 }
ebac4655
JA
1221
1222 td->groupid = groupid;
3c5df6fa 1223 prev_group_jobs++;
ebac4655 1224
9dbc7bfe 1225 if (setup_random_seeds(td)) {
93bcfd20 1226 td_verror(td, errno, "init_random_state");
9c60ce64 1227 goto err;
93bcfd20 1228 }
9c60ce64 1229
ebac4655
JA
1230 if (setup_rate(td))
1231 goto err;
1232
cb7e0ace 1233 if (o->lat_log_file) {
aee2ab67
JA
1234 struct log_params p = {
1235 .td = td,
1236 .avg_msec = o->log_avg_msec,
1237 .log_type = IO_LOG_TYPE_LAT,
1238 .log_offset = o->log_offset,
1239 .log_gz = o->log_gz,
b26317c9 1240 .log_gz_store = o->log_gz_store,
aee2ab67 1241 };
b26317c9 1242 const char *suf;
aee2ab67 1243
b26317c9
JA
1244 if (p.log_gz_store)
1245 suf = "log.fz";
1246 else
1247 suf = "log";
1248
3a5db920
JA
1249 gen_log_name(logname, sizeof(logname), "lat", o->lat_log_file,
1250 td->thread_number, suf, o->per_job_logs);
aee2ab67 1251 setup_log(&td->lat_log, &p, logname);
3a5db920
JA
1252
1253 gen_log_name(logname, sizeof(logname), "slat", o->lat_log_file,
1254 td->thread_number, suf, o->per_job_logs);
aee2ab67 1255 setup_log(&td->slat_log, &p, logname);
3a5db920
JA
1256
1257 gen_log_name(logname, sizeof(logname), "clat", o->lat_log_file,
1258 td->thread_number, suf, o->per_job_logs);
aee2ab67 1259 setup_log(&td->clat_log, &p, logname);
ebac4655 1260 }
cb7e0ace 1261 if (o->bw_log_file) {
aee2ab67
JA
1262 struct log_params p = {
1263 .td = td,
1264 .avg_msec = o->log_avg_msec,
1265 .log_type = IO_LOG_TYPE_BW,
1266 .log_offset = o->log_offset,
1267 .log_gz = o->log_gz,
b26317c9 1268 .log_gz_store = o->log_gz_store,
aee2ab67 1269 };
b26317c9
JA
1270 const char *suf;
1271
1272 if (p.log_gz_store)
1273 suf = "log.fz";
1274 else
1275 suf = "log";
aee2ab67 1276
3a5db920
JA
1277 gen_log_name(logname, sizeof(logname), "bw", o->bw_log_file,
1278 td->thread_number, suf, o->per_job_logs);
aee2ab67 1279 setup_log(&td->bw_log, &p, logname);
cb7e0ace
JA
1280 }
1281 if (o->iops_log_file) {
aee2ab67
JA
1282 struct log_params p = {
1283 .td = td,
1284 .avg_msec = o->log_avg_msec,
1285 .log_type = IO_LOG_TYPE_IOPS,
1286 .log_offset = o->log_offset,
1287 .log_gz = o->log_gz,
b26317c9 1288 .log_gz_store = o->log_gz_store,
aee2ab67 1289 };
b26317c9
JA
1290 const char *suf;
1291
1292 if (p.log_gz_store)
1293 suf = "log.fz";
1294 else
1295 suf = "log";
aee2ab67 1296
3a5db920
JA
1297 gen_log_name(logname, sizeof(logname), "iops", o->iops_log_file,
1298 td->thread_number, suf, o->per_job_logs);
aee2ab67 1299 setup_log(&td->iops_log, &p, logname);
cb7e0ace 1300 }
ebac4655 1301
de98bd30
JA
1302 if (!o->name)
1303 o->name = strdup(jobname);
01452055 1304
f3afa57e 1305 if (output_format == FIO_OUTPUT_NORMAL) {
b990b5c0 1306 if (!job_add_num) {
b7cfb2e1 1307 if (is_backend && !recursed)
2f122b13 1308 fio_server_send_add_job(td);
807f9971 1309
0353050f 1310 if (!(td->io_ops->flags & FIO_NOIO)) {
d21e2535
JA
1311 char *c1, *c2, *c3, *c4;
1312 char *c5 = NULL, *c6 = NULL;
f8977ee6 1313
22f80458
JA
1314 c1 = fio_uint_to_kmg(o->min_bs[DDIR_READ]);
1315 c2 = fio_uint_to_kmg(o->max_bs[DDIR_READ]);
1316 c3 = fio_uint_to_kmg(o->min_bs[DDIR_WRITE]);
1317 c4 = fio_uint_to_kmg(o->max_bs[DDIR_WRITE]);
d21e2535
JA
1318
1319 if (!o->bs_is_seq_rand) {
1320 c5 = fio_uint_to_kmg(o->min_bs[DDIR_TRIM]);
1321 c6 = fio_uint_to_kmg(o->max_bs[DDIR_TRIM]);
1322 }
1323
1324 log_info("%s: (g=%d): rw=%s, ", td->o.name,
1325 td->groupid,
1326 ddir_str(o->td_ddir));
1327
1328 if (o->bs_is_seq_rand)
1329 log_info("bs(seq/rand)=%s-%s/%s-%s, ",
1330 c1, c2, c3, c4);
1331 else
1332 log_info("bs=%s-%s/%s-%s/%s-%s, ",
1333 c1, c2, c3, c4, c5, c6);
1334
1335 log_info("ioengine=%s, iodepth=%u\n",
de98bd30 1336 td->io_ops->name, o->iodepth);
f8977ee6
JA
1337
1338 free(c1);
1339 free(c2);
1340 free(c3);
1341 free(c4);
6eaf09d6
SL
1342 free(c5);
1343 free(c6);
f8977ee6 1344 }
b990b5c0 1345 } else if (job_add_num == 1)
6d86144d 1346 log_info("...\n");
c6ae0a5b 1347 }
ebac4655
JA
1348
1349 /*
1350 * recurse add identical jobs, clear numjobs and stonewall options
1351 * as they don't apply to sub-jobs
1352 */
de98bd30 1353 numjobs = o->numjobs;
ebac4655 1354 while (--numjobs) {
ef3d8e53 1355 struct thread_data *td_new = get_new_job(0, td, 1, jobname);
ebac4655
JA
1356
1357 if (!td_new)
1358 goto err;
1359
2dc1bbeb
JA
1360 td_new->o.numjobs = 1;
1361 td_new->o.stonewall = 0;
92c1d41f 1362 td_new->o.new_group = 0;
69bdd6ba 1363 td_new->subjob_number = numjobs;
e132cbae
JA
1364
1365 if (file_alloced) {
455a50fa
CE
1366 if (td_new->files) {
1367 struct fio_file *f;
1368 for_each_file(td_new, f, i) {
1369 if (f->file_name)
ece6d647
AK
1370 sfree(f->file_name);
1371 sfree(f);
455a50fa 1372 }
ece6d647 1373 free(td_new->files);
455a50fa
CE
1374 td_new->files = NULL;
1375 }
ece6d647
AK
1376 td_new->files_index = 0;
1377 td_new->files_size = 0;
455a50fa
CE
1378 if (td_new->o.filename) {
1379 free(td_new->o.filename);
1380 td_new->o.filename = NULL;
1381 }
e132cbae
JA
1382 }
1383
bcbfeefa 1384 if (add_job(td_new, jobname, numjobs, 1, client_type))
ebac4655
JA
1385 goto err;
1386 }
3c5df6fa 1387
ebac4655
JA
1388 return 0;
1389err:
1390 put_job(td);
1391 return -1;
1392}
1393
79d16311
JA
1394/*
1395 * Parse as if 'o' was a command line
1396 */
46bcd498 1397void add_job_opts(const char **o, int client_type)
79d16311
JA
1398{
1399 struct thread_data *td, *td_parent;
1400 int i, in_global = 1;
1401 char jobname[32];
1402
1403 i = 0;
1404 td_parent = td = NULL;
1405 while (o[i]) {
1406 if (!strncmp(o[i], "name", 4)) {
1407 in_global = 0;
1408 if (td)
46bcd498 1409 add_job(td, jobname, 0, 0, client_type);
79d16311
JA
1410 td = NULL;
1411 sprintf(jobname, "%s", o[i] + 5);
1412 }
1413 if (in_global && !td_parent)
ef3d8e53 1414 td_parent = get_new_job(1, &def_thread, 0, jobname);
79d16311
JA
1415 else if (!in_global && !td) {
1416 if (!td_parent)
1417 td_parent = &def_thread;
ef3d8e53 1418 td = get_new_job(0, td_parent, 0, jobname);
79d16311
JA
1419 }
1420 if (in_global)
292cc475 1421 fio_options_parse(td_parent, (char **) &o[i], 1, 0);
79d16311 1422 else
292cc475 1423 fio_options_parse(td, (char **) &o[i], 1, 0);
79d16311
JA
1424 i++;
1425 }
1426
1427 if (td)
46bcd498 1428 add_job(td, jobname, 0, 0, client_type);
79d16311
JA
1429}
1430
01f06b63
JA
1431static int skip_this_section(const char *name)
1432{
ad0a2735
JA
1433 int i;
1434
1435 if (!nr_job_sections)
01f06b63
JA
1436 return 0;
1437 if (!strncmp(name, "global", 6))
1438 return 0;
1439
ad0a2735
JA
1440 for (i = 0; i < nr_job_sections; i++)
1441 if (!strcmp(job_sections[i], name))
1442 return 0;
1443
1444 return 1;
01f06b63
JA
1445}
1446
ebac4655
JA
1447static int is_empty_or_comment(char *line)
1448{
1449 unsigned int i;
1450
1451 for (i = 0; i < strlen(line); i++) {
1452 if (line[i] == ';')
1453 return 1;
5cc2da30
IM
1454 if (line[i] == '#')
1455 return 1;
76cd9378 1456 if (!isspace((int) line[i]) && !iscntrl((int) line[i]))
ebac4655
JA
1457 return 0;
1458 }
1459
1460 return 1;
1461}
1462
07261983
JA
1463/*
1464 * This is our [ini] type file parser.
1465 */
b3270921
AK
1466int __parse_jobs_ini(struct thread_data *td,
1467 char *file, int is_buf, int stonewall_flag, int type,
1468 int nested, char *name, char ***popts, int *aopts, int *nopts)
ebac4655 1469{
b3270921
AK
1470 unsigned int global = 0;
1471 char *string;
ebac4655
JA
1472 FILE *f;
1473 char *p;
0c7e37a0 1474 int ret = 0, stonewall;
097b2991 1475 int first_sect = 1;
ccf8f127 1476 int skip_fgets = 0;
01f06b63 1477 int inside_skip = 0;
3b8b7135
JA
1478 char **opts;
1479 int i, alloc_opts, num_opts;
ebac4655 1480
b3270921
AK
1481 dprint(FD_PARSE, "Parsing ini file %s\n", file);
1482 assert(td || !nested);
1483
50d16976
JA
1484 if (is_buf)
1485 f = NULL;
1486 else {
1487 if (!strcmp(file, "-"))
1488 f = stdin;
1489 else
1490 f = fopen(file, "r");
5a729cbe 1491
50d16976 1492 if (!f) {
323255cc
JA
1493 int __err = errno;
1494
1495 log_err("fio: unable to open '%s' job file\n", file);
02957cd4
JA
1496 if (td)
1497 td_verror(td, __err, "job file open");
50d16976
JA
1498 return 1;
1499 }
ebac4655
JA
1500 }
1501
1502 string = malloc(4096);
7f7e6e59
JA
1503
1504 /*
1505 * it's really 256 + small bit, 280 should suffice
1506 */
b3270921
AK
1507 if (!nested) {
1508 name = malloc(280);
1509 memset(name, 0, 280);
1510 }
ebac4655 1511
b3270921
AK
1512 opts = NULL;
1513 if (nested && popts) {
1514 opts = *popts;
1515 alloc_opts = *aopts;
1516 num_opts = *nopts;
1517 }
1518
1519 if (!opts) {
1520 alloc_opts = 8;
1521 opts = malloc(sizeof(char *) * alloc_opts);
1522 num_opts = 0;
1523 }
3b8b7135 1524
0c7e37a0 1525 stonewall = stonewall_flag;
7c124ac1 1526 do {
ccf8f127
JA
1527 /*
1528 * if skip_fgets is set, we already have loaded a line we
1529 * haven't handled.
1530 */
1531 if (!skip_fgets) {
50d16976
JA
1532 if (is_buf)
1533 p = strsep(&file, "\n");
1534 else
43f74792 1535 p = fgets(string, 4096, f);
ccf8f127
JA
1536 if (!p)
1537 break;
1538 }
cdc7f193 1539
ccf8f127 1540 skip_fgets = 0;
cdc7f193 1541 strip_blank_front(&p);
6c7c7da1 1542 strip_blank_end(p);
cdc7f193 1543
b3270921 1544 dprint(FD_PARSE, "%s\n", p);
ebac4655
JA
1545 if (is_empty_or_comment(p))
1546 continue;
b3270921
AK
1547
1548 if (!nested) {
1549 if (sscanf(p, "[%255[^\n]]", name) != 1) {
1550 if (inside_skip)
1551 continue;
1552
1553 log_err("fio: option <%s> outside of "
1554 "[] job section\n", p);
0e9c21a2 1555 ret = 1;
b3270921
AK
1556 break;
1557 }
1558
1559 name[strlen(name) - 1] = '\0';
1560
1561 if (skip_this_section(name)) {
1562 inside_skip = 1;
01f06b63 1563 continue;
b3270921
AK
1564 } else
1565 inside_skip = 0;
ebac4655 1566
b3270921 1567 dprint(FD_PARSE, "Parsing section [%s]\n", name);
7a4b80a1 1568
b3270921 1569 global = !strncmp(name, "global", 6);
01f06b63 1570
b3270921
AK
1571 if (dump_cmdline) {
1572 if (first_sect)
1573 log_info("fio ");
1574 if (!global)
1575 log_info("--name=%s ", name);
1576 first_sect = 0;
1577 }
ebac4655 1578
b3270921
AK
1579 td = get_new_job(global, &def_thread, 0, name);
1580 if (!td) {
1581 ret = 1;
1582 break;
1583 }
cca73aa7 1584
b3270921
AK
1585 /*
1586 * Separate multiple job files by a stonewall
1587 */
1588 if (!global && stonewall) {
1589 td->o.stonewall = stonewall;
1590 stonewall = 0;
1591 }
ebac4655 1592
b3270921
AK
1593 num_opts = 0;
1594 memset(opts, 0, alloc_opts * sizeof(char *));
972cfd25 1595 }
b3270921
AK
1596 else
1597 skip_fgets = 1;
3b8b7135 1598
50d16976 1599 while (1) {
b3270921
AK
1600 if (!skip_fgets) {
1601 if (is_buf)
1602 p = strsep(&file, "\n");
1603 else
1604 p = fgets(string, 4096, f);
1605 if (!p)
1606 break;
1607 dprint(FD_PARSE, "%s", p);
1608 }
50d16976 1609 else
b3270921 1610 skip_fgets = 0;
50d16976 1611
ebac4655
JA
1612 if (is_empty_or_comment(p))
1613 continue;
e1f36503 1614
b6754f9d 1615 strip_blank_front(&p);
7c124ac1 1616
ccf8f127
JA
1617 /*
1618 * new section, break out and make sure we don't
1619 * fgets() a new line at the top.
1620 */
1621 if (p[0] == '[') {
b3270921
AK
1622 if (nested) {
1623 log_err("No new sections in included files\n");
1624 return 1;
1625 }
1626
ccf8f127 1627 skip_fgets = 1;
7c124ac1 1628 break;
ccf8f127 1629 }
7c124ac1 1630
4ae3f763 1631 strip_blank_end(p);
aea47d44 1632
b3270921
AK
1633 if (!strncmp(p, "include", strlen("include"))) {
1634 char *filename = p + strlen("include") + 1;
1635
1636 if ((ret = __parse_jobs_ini(td, filename,
1637 is_buf, stonewall_flag, type, 1,
1638 name, &opts, &alloc_opts, &num_opts))) {
1639 log_err("Error %d while parsing include file %s\n",
1640 ret, filename);
1641 break;
1642 }
1643 continue;
1644 }
1645
3b8b7135
JA
1646 if (num_opts == alloc_opts) {
1647 alloc_opts <<= 1;
1648 opts = realloc(opts,
1649 alloc_opts * sizeof(char *));
1650 }
1651
1652 opts[num_opts] = strdup(p);
1653 num_opts++;
ebac4655 1654 }
ebac4655 1655
b3270921
AK
1656 if (nested) {
1657 *popts = opts;
1658 *aopts = alloc_opts;
1659 *nopts = num_opts;
1660 goto out;
1661 }
1662
292cc475
JA
1663 ret = fio_options_parse(td, opts, num_opts, dump_cmdline);
1664 if (!ret)
46bcd498 1665 ret = add_job(td, name, 0, 0, type);
292cc475 1666 else {
b1508cf9
JA
1667 log_err("fio: job %s dropped\n", name);
1668 put_job(td);
45410acb 1669 }
3b8b7135
JA
1670
1671 for (i = 0; i < num_opts; i++)
1672 free(opts[i]);
1673 num_opts = 0;
7c124ac1 1674 } while (!ret);
ebac4655 1675
cca73aa7
JA
1676 if (dump_cmdline)
1677 log_info("\n");
1678
7e356b2d
JA
1679 i = 0;
1680 while (i < nr_job_sections) {
1681 free(job_sections[i]);
1682 i++;
1683 }
1684
2577594d 1685 free(opts);
b3270921
AK
1686out:
1687 free(string);
1688 if (!nested)
1689 free(name);
50d16976 1690 if (!is_buf && f != stdin)
5a729cbe 1691 fclose(f);
45410acb 1692 return ret;
ebac4655
JA
1693}
1694
b3270921
AK
1695int parse_jobs_ini(char *file, int is_buf, int stonewall_flag, int type)
1696{
1697 return __parse_jobs_ini(NULL, file, is_buf, stonewall_flag, type,
1698 0, NULL, NULL, NULL, NULL);
1699}
1700
ebac4655
JA
1701static int fill_def_thread(void)
1702{
1703 memset(&def_thread, 0, sizeof(def_thread));
1704
375b2695 1705 fio_getaffinity(getpid(), &def_thread.o.cpumask);
8b28bd41 1706 def_thread.o.error_dump = 1;
25bd16ce 1707
ebac4655 1708 /*
ee738499 1709 * fill default options
ebac4655 1710 */
214e1eca 1711 fio_fill_default_options(&def_thread);
ebac4655
JA
1712 return 0;
1713}
1714
2236df3d
JA
1715static void show_debug_categories(void)
1716{
1717 struct debug_level *dl = &debug_levels[0];
1718 int curlen, first = 1;
1719
1720 curlen = 0;
1721 while (dl->name) {
1722 int has_next = (dl + 1)->name != NULL;
1723
1724 if (first || curlen + strlen(dl->name) >= 80) {
1725 if (!first) {
1726 printf("\n");
1727 curlen = 0;
1728 }
1729 curlen += printf("\t\t\t%s", dl->name);
1730 curlen += 3 * (8 - 1);
1731 if (has_next)
1732 curlen += printf(",");
1733 } else {
1734 curlen += printf("%s", dl->name);
1735 if (has_next)
1736 curlen += printf(",");
1737 }
1738 dl++;
1739 first = 0;
1740 }
1741 printf("\n");
1742}
1743
45378b35 1744static void usage(const char *name)
4785f995 1745{
3d43382c 1746 printf("%s\n", fio_version_string);
45378b35 1747 printf("%s [options] [job options] <job file(s)>\n", name);
2236df3d
JA
1748 printf(" --debug=options\tEnable debug logging. May be one/more of:\n");
1749 show_debug_categories();
111e032d 1750 printf(" --parse-only\t\tParse options only, don't start any IO\n");
83881283 1751 printf(" --output\t\tWrite output to file\n");
b2cecdc2 1752 printf(" --runtime\t\tRuntime in seconds\n");
83881283
JA
1753 printf(" --bandwidth-log\tGenerate per-job bandwidth logs\n");
1754 printf(" --minimal\t\tMinimal (terse) output\n");
f3afa57e 1755 printf(" --output-format=x\tOutput format (terse,json,normal)\n");
75db6e2c 1756 printf(" --terse-version=x\tSet terse version output format to 'x'\n");
f3afa57e 1757 printf(" --version\t\tPrint version info and exit\n");
83881283 1758 printf(" --help\t\tPrint this page\n");
23893646 1759 printf(" --cpuclock-test\tPerform test/validation of CPU clock\n");
fec0f21c 1760 printf(" --crctest\t\tTest speed of checksum functions\n");
83881283 1761 printf(" --cmdhelp=cmd\t\tPrint command help, \"all\" for all of"
5ec10eaa 1762 " them\n");
de890a1e
SL
1763 printf(" --enghelp=engine\tPrint ioengine help, or list"
1764 " available ioengines\n");
1765 printf(" --enghelp=engine,cmd\tPrint help for an ioengine"
1766 " cmd\n");
83881283
JA
1767 printf(" --showcmd\t\tTurn a job file into command line options\n");
1768 printf(" --eta=when\t\tWhen ETA estimate should be printed\n");
1769 printf(" \t\tMay be \"always\", \"never\" or \"auto\"\n");
e382e661
JA
1770 printf(" --eta-newline=time\tForce a new line for every 'time'");
1771 printf(" period passed\n");
06464907
JA
1772 printf(" --status-interval=t\tForce full status dump every");
1773 printf(" 't' period passed\n");
83881283 1774 printf(" --readonly\t\tTurn on safety read-only checks, preventing"
5ec10eaa 1775 " writes\n");
83881283
JA
1776 printf(" --section=name\tOnly run specified section in job file\n");
1777 printf(" --alloc-size=kb\tSet smalloc pool to this size in kb"
2b386d25 1778 " (def 1024)\n");
83881283
JA
1779 printf(" --warnings-fatal\tFio parser warnings are fatal\n");
1780 printf(" --max-jobs=nr\t\tMaximum number of threads/processes to support\n");
1781 printf(" --server=args\t\tStart a backend fio server\n");
1782 printf(" --daemonize=pidfile\tBackground fio server, write pid to file\n");
1783 printf(" --client=hostname\tTalk to remote backend fio server at hostname\n");
323255cc 1784 printf(" --remote-config=file\tTell fio server to load this local job file\n");
f2a2ce0e
HL
1785 printf(" --idle-prof=option\tReport cpu idleness on a system or percpu basis\n"
1786 "\t\t\t(option=system,percpu) or run unit work\n"
1787 "\t\t\tcalibration only (option=calibrate)\n");
b26317c9
JA
1788#ifdef CONFIG_ZLIB
1789 printf(" --inflate-log=log\tInflate and output compressed log\n");
1790#endif
b63efd30 1791 printf(" --trigger-file=file\tExecute trigger cmd when file exists\n");
ca09be4b 1792 printf(" --trigger-timeout=t\tExecute trigger af this time\n");
b63efd30
JA
1793 printf(" --trigger=cmd\t\tSet this command as local trigger\n");
1794 printf(" --trigger-remote=cmd\tSet this command as remote trigger\n");
aa58d252 1795 printf("\nFio was written by Jens Axboe <jens.axboe@oracle.com>");
bfca2c74
JA
1796 printf("\n Jens Axboe <jaxboe@fusionio.com>");
1797 printf("\n Jens Axboe <axboe@fb.com>\n");
4785f995
JA
1798}
1799
79e48f72 1800#ifdef FIO_INC_DEBUG
ee56ad50 1801struct debug_level debug_levels[] = {
0b8d11ed
JA
1802 { .name = "process",
1803 .help = "Process creation/exit logging",
1804 .shift = FD_PROCESS,
1805 },
1806 { .name = "file",
1807 .help = "File related action logging",
1808 .shift = FD_FILE,
1809 },
1810 { .name = "io",
1811 .help = "IO and IO engine action logging (offsets, queue, completions, etc)",
1812 .shift = FD_IO,
1813 },
1814 { .name = "mem",
1815 .help = "Memory allocation/freeing logging",
1816 .shift = FD_MEM,
1817 },
1818 { .name = "blktrace",
1819 .help = "blktrace action logging",
1820 .shift = FD_BLKTRACE,
1821 },
1822 { .name = "verify",
1823 .help = "IO verification action logging",
1824 .shift = FD_VERIFY,
1825 },
1826 { .name = "random",
1827 .help = "Random generation logging",
1828 .shift = FD_RANDOM,
1829 },
1830 { .name = "parse",
1831 .help = "Parser logging",
1832 .shift = FD_PARSE,
1833 },
1834 { .name = "diskutil",
1835 .help = "Disk utility logging actions",
1836 .shift = FD_DISKUTIL,
1837 },
1838 { .name = "job",
1839 .help = "Logging related to creating/destroying jobs",
1840 .shift = FD_JOB,
1841 },
1842 { .name = "mutex",
1843 .help = "Mutex logging",
1844 .shift = FD_MUTEX
1845 },
1846 { .name = "profile",
1847 .help = "Logging related to profiles",
1848 .shift = FD_PROFILE,
1849 },
1850 { .name = "time",
1851 .help = "Logging related to time keeping functions",
1852 .shift = FD_TIME,
1853 },
1854 { .name = "net",
1855 .help = "Network logging",
1856 .shift = FD_NET,
1857 },
3e260a46
JA
1858 { .name = "rate",
1859 .help = "Rate logging",
1860 .shift = FD_RATE,
1861 },
0c56718d
JA
1862 { .name = "compress",
1863 .help = "Log compression logging",
1864 .shift = FD_COMPRESS,
1865 },
02444ad1 1866 { .name = NULL, },
ee56ad50
JA
1867};
1868
c09823ab 1869static int set_debug(const char *string)
ee56ad50
JA
1870{
1871 struct debug_level *dl;
1872 char *p = (char *) string;
1873 char *opt;
1874 int i;
1875
1876 if (!strcmp(string, "?") || !strcmp(string, "help")) {
ee56ad50
JA
1877 log_info("fio: dumping debug options:");
1878 for (i = 0; debug_levels[i].name; i++) {
1879 dl = &debug_levels[i];
1880 log_info("%s,", dl->name);
1881 }
bd6f78b2 1882 log_info("all\n");
c09823ab 1883 return 1;
ee56ad50
JA
1884 }
1885
1886 while ((opt = strsep(&p, ",")) != NULL) {
1887 int found = 0;
1888
5e1d306e
JA
1889 if (!strncmp(opt, "all", 3)) {
1890 log_info("fio: set all debug options\n");
1891 fio_debug = ~0UL;
1892 continue;
1893 }
1894
ee56ad50
JA
1895 for (i = 0; debug_levels[i].name; i++) {
1896 dl = &debug_levels[i];
5e1d306e
JA
1897 found = !strncmp(opt, dl->name, strlen(dl->name));
1898 if (!found)
1899 continue;
1900
1901 if (dl->shift == FD_JOB) {
1902 opt = strchr(opt, ':');
1903 if (!opt) {
1904 log_err("fio: missing job number\n");
1905 break;
1906 }
1907 opt++;
1908 fio_debug_jobno = atoi(opt);
1909 log_info("fio: set debug jobno %d\n",
1910 fio_debug_jobno);
1911 } else {
ee56ad50 1912 log_info("fio: set debug option %s\n", opt);
bd6f78b2 1913 fio_debug |= (1UL << dl->shift);
ee56ad50 1914 }
5e1d306e 1915 break;
ee56ad50
JA
1916 }
1917
1918 if (!found)
1919 log_err("fio: debug mask %s not found\n", opt);
1920 }
c09823ab 1921 return 0;
ee56ad50 1922}
79e48f72 1923#else
69b98d4c 1924static int set_debug(const char *string)
79e48f72
JA
1925{
1926 log_err("fio: debug tracing not included in build\n");
c09823ab 1927 return 1;
79e48f72
JA
1928}
1929#endif
9ac8a797 1930
4c6107ff
JA
1931static void fio_options_fill_optstring(void)
1932{
1933 char *ostr = cmd_optstr;
1934 int i, c;
1935
1936 c = i = 0;
1937 while (l_opts[i].name) {
1938 ostr[c++] = l_opts[i].val;
1939 if (l_opts[i].has_arg == required_argument)
1940 ostr[c++] = ':';
1941 else if (l_opts[i].has_arg == optional_argument) {
1942 ostr[c++] = ':';
1943 ostr[c++] = ':';
1944 }
1945 i++;
1946 }
1947 ostr[c] = '\0';
1948}
1949
c2c94585
JA
1950static int client_flag_set(char c)
1951{
1952 int i;
1953
1954 i = 0;
1955 while (l_opts[i].name) {
1956 int val = l_opts[i].val;
1957
1958 if (c == (val & 0xff))
1959 return (val & FIO_CLIENT_FLAG);
1960
1961 i++;
1962 }
1963
1964 return 0;
1965}
1966
10aa136b 1967static void parse_cmd_client(void *client, char *opt)
7a4b8240 1968{
fa2ea806 1969 fio_client_add_cmd_option(client, opt);
7a4b8240
JA
1970}
1971
a893c261
JA
1972static void show_closest_option(const char *name)
1973{
1974 int best_option, best_distance;
1975 int i, distance;
1976
1977 while (*name == '-')
1978 name++;
1979
1980 best_option = -1;
1981 best_distance = INT_MAX;
1982 i = 0;
1983 while (l_opts[i].name) {
1984 distance = string_distance(name, l_opts[i].name);
1985 if (distance < best_distance) {
1986 best_distance = distance;
1987 best_option = i;
1988 }
1989 i++;
1990 }
1991
1992 if (best_option != -1)
1993 log_err("Did you mean %s?\n", l_opts[best_option].name);
1994}
1995
46bcd498 1996int parse_cmd_line(int argc, char *argv[], int client_type)
ebac4655 1997{
b4692828 1998 struct thread_data *td = NULL;
c09823ab 1999 int c, ini_idx = 0, lidx, ret = 0, do_exit = 0, exit_val = 0;
4c6107ff 2000 char *ostr = cmd_optstr;
402668f3 2001 void *pid_file = NULL;
9bae26e8 2002 void *cur_client = NULL;
81179eec 2003 int backend = 0;
ebac4655 2004
c2c94585
JA
2005 /*
2006 * Reset optind handling, since we may call this multiple times
2007 * for the backend.
2008 */
2009 optind = 1;
7a4b8240 2010
c2c94585
JA
2011 while ((c = getopt_long_only(argc, argv, ostr, l_opts, &lidx)) != -1) {
2012 if ((c & FIO_CLIENT_FLAG) || client_flag_set(c)) {
fa2ea806 2013 parse_cmd_client(cur_client, argv[optind - 1]);
7a4b8240
JA
2014 c &= ~FIO_CLIENT_FLAG;
2015 }
2016
ebac4655 2017 switch (c) {
2b386d25
JA
2018 case 'a':
2019 smalloc_pool_size = atoi(optarg);
2020 break;
b4692828 2021 case 't':
25bd16ce
JA
2022 if (check_str_time(optarg, &def_timeout, 1)) {
2023 log_err("fio: failed parsing time %s\n", optarg);
2024 do_exit++;
2025 exit_val = 1;
2026 }
b4692828
JA
2027 break;
2028 case 'l':
cb7e0ace
JA
2029 log_err("fio: --latency-log is deprecated. Use per-job latency log options.\n");
2030 do_exit++;
2031 exit_val = 1;
b4692828 2032 break;
3d73e5a9 2033 case 'b':
b4692828
JA
2034 write_bw_log = 1;
2035 break;
2036 case 'o':
988da120 2037 if (f_out && f_out != stdout)
5e1d8745
JA
2038 fclose(f_out);
2039
b4692828
JA
2040 f_out = fopen(optarg, "w+");
2041 if (!f_out) {
2042 perror("fopen output");
2043 exit(1);
2044 }
2045 f_err = f_out;
2046 break;
2047 case 'm':
f3afa57e 2048 output_format = FIO_OUTPUT_TERSE;
b4692828 2049 break;
f3afa57e 2050 case 'F':
d10983d7
SH
2051 if (!optarg) {
2052 log_err("fio: missing --output-format argument\n");
2053 exit_val = 1;
2054 do_exit++;
2055 break;
2056 }
f3afa57e
JA
2057 if (!strcmp(optarg, "minimal") ||
2058 !strcmp(optarg, "terse") ||
2059 !strcmp(optarg, "csv"))
2060 output_format = FIO_OUTPUT_TERSE;
2061 else if (!strcmp(optarg, "json"))
2062 output_format = FIO_OUTPUT_JSON;
2063 else
2064 output_format = FIO_OUTPUT_NORMAL;
b4692828 2065 break;
2b8c71b0
CE
2066 case 'f':
2067 append_terse_output = 1;
2068 break;
b4692828 2069 case 'h':
7d8ea970 2070 did_arg = 1;
7874f8b7 2071 if (!cur_client) {
c2c94585 2072 usage(argv[0]);
7874f8b7
JA
2073 do_exit++;
2074 }
c2c94585 2075 break;
fd28ca49 2076 case 'c':
7d8ea970 2077 did_arg = 1;
7874f8b7 2078 if (!cur_client) {
c2c94585 2079 fio_show_option_help(optarg);
7874f8b7
JA
2080 do_exit++;
2081 }
c2c94585 2082 break;
de890a1e 2083 case 'i':
7d8ea970 2084 did_arg = 1;
de890a1e
SL
2085 if (!cur_client) {
2086 fio_show_ioengine_help(optarg);
2087 do_exit++;
2088 }
2089 break;
cca73aa7 2090 case 's':
7d8ea970 2091 did_arg = 1;
cca73aa7
JA
2092 dump_cmdline = 1;
2093 break;
724e4435
JA
2094 case 'r':
2095 read_only = 1;
2096 break;
b4692828 2097 case 'v':
7d8ea970 2098 did_arg = 1;
7874f8b7 2099 if (!cur_client) {
3d43382c 2100 log_info("%s\n", fio_version_string);
7874f8b7
JA
2101 do_exit++;
2102 }
c2c94585 2103 break;
f57a9c59
JA
2104 case 'V':
2105 terse_version = atoi(optarg);
09786f5f
JA
2106 if (!(terse_version == 2 || terse_version == 3 ||
2107 terse_version == 4)) {
f57a9c59
JA
2108 log_err("fio: bad terse version format\n");
2109 exit_val = 1;
2110 do_exit++;
2111 }
2112 break;
e592a06b
AC
2113 case 'e':
2114 if (!strcmp("always", optarg))
2115 eta_print = FIO_ETA_ALWAYS;
2116 else if (!strcmp("never", optarg))
2117 eta_print = FIO_ETA_NEVER;
2118 break;
e382e661
JA
2119 case 'E': {
2120 long long t = 0;
2121
88038bc7 2122 if (check_str_time(optarg, &t, 1)) {
e382e661
JA
2123 log_err("fio: failed parsing eta time %s\n", optarg);
2124 exit_val = 1;
2125 do_exit++;
2126 }
88038bc7 2127 eta_new_line = t / 1000;
e382e661
JA
2128 break;
2129 }
ee56ad50 2130 case 'd':
c09823ab
JA
2131 if (set_debug(optarg))
2132 do_exit++;
ee56ad50 2133 break;
111e032d 2134 case 'P':
7d8ea970 2135 did_arg = 1;
111e032d
JA
2136 parse_only = 1;
2137 break;
ad0a2735
JA
2138 case 'x': {
2139 size_t new_size;
2140
01f06b63 2141 if (!strcmp(optarg, "global")) {
5ec10eaa
JA
2142 log_err("fio: can't use global as only "
2143 "section\n");
c09823ab
JA
2144 do_exit++;
2145 exit_val = 1;
01f06b63
JA
2146 break;
2147 }
ad0a2735
JA
2148 new_size = (nr_job_sections + 1) * sizeof(char *);
2149 job_sections = realloc(job_sections, new_size);
2150 job_sections[nr_job_sections] = strdup(optarg);
2151 nr_job_sections++;
01f06b63 2152 break;
ad0a2735 2153 }
b26317c9
JA
2154#ifdef CONFIG_ZLIB
2155 case 'X':
2156 exit_val = iolog_file_inflate(optarg);
2157 did_arg++;
2158 do_exit++;
2159 break;
2160#endif
9ac8a797 2161 case 'p':
7d8ea970 2162 did_arg = 1;
4af7c007
JA
2163 if (exec_profile)
2164 free(exec_profile);
07b3232d 2165 exec_profile = strdup(optarg);
9ac8a797 2166 break;
b4692828 2167 case FIO_GETOPT_JOB: {
5ec10eaa 2168 const char *opt = l_opts[lidx].name;
b4692828
JA
2169 char *val = optarg;
2170
c2b1e753 2171 if (!strncmp(opt, "name", 4) && td) {
46bcd498 2172 ret = add_job(td, td->o.name ?: "fio", 0, 0, client_type);
66251554 2173 if (ret)
4a4ac4e3 2174 goto out_free;
c2b1e753 2175 td = NULL;
7d8ea970 2176 did_arg = 1;
c2b1e753 2177 }
b4692828 2178 if (!td) {
01f06b63 2179 int is_section = !strncmp(opt, "name", 4);
3106f220
JA
2180 int global = 0;
2181
01f06b63 2182 if (!is_section || !strncmp(val, "global", 6))
3106f220 2183 global = 1;
c2b1e753 2184
01f06b63
JA
2185 if (is_section && skip_this_section(val))
2186 continue;
2187
ef3d8e53 2188 td = get_new_job(global, &def_thread, 1, NULL);
f6ff24cb
JA
2189 if (!td || ioengine_load(td)) {
2190 if (td) {
2191 put_job(td);
2192 td = NULL;
2193 }
2194 do_exit++;
205a719e 2195 exit_val = 1;
f6ff24cb
JA
2196 break;
2197 }
de890a1e 2198 fio_options_set_ioengine_opts(l_opts, td);
b4692828 2199 }
38d0adb0 2200
9d918187
JA
2201 if ((!val || !strlen(val)) &&
2202 l_opts[lidx].has_arg == required_argument) {
2203 log_err("fio: option %s requires an argument\n", opt);
2204 ret = 1;
2205 } else
2206 ret = fio_cmd_option_parse(td, opt, val);
2207
bfb3ea22
JA
2208 if (ret) {
2209 if (td) {
2210 put_job(td);
2211 td = NULL;
2212 }
a88c8c14 2213 do_exit++;
205a719e 2214 exit_val = 1;
bfb3ea22 2215 }
de890a1e
SL
2216
2217 if (!ret && !strcmp(opt, "ioengine")) {
2218 free_ioengine(td);
f6ff24cb 2219 if (ioengine_load(td)) {
342f570e
JA
2220 put_job(td);
2221 td = NULL;
f6ff24cb 2222 do_exit++;
205a719e 2223 exit_val = 1;
f6ff24cb
JA
2224 break;
2225 }
de890a1e
SL
2226 fio_options_set_ioengine_opts(l_opts, td);
2227 }
2228 break;
2229 }
2230 case FIO_GETOPT_IOENGINE: {
2231 const char *opt = l_opts[lidx].name;
2232 char *val = optarg;
b1ed74e0
JA
2233
2234 if (!td)
2235 break;
2236
de890a1e 2237 ret = fio_cmd_ioengine_option_parse(td, opt, val);
b4692828
JA
2238 break;
2239 }
a9523c6f
JA
2240 case 'w':
2241 warnings_fatal = 1;
2242 break;
fca70358
JA
2243 case 'j':
2244 max_jobs = atoi(optarg);
2245 if (!max_jobs || max_jobs > REAL_MAX_JOBS) {
2246 log_err("fio: invalid max jobs: %d\n", max_jobs);
2247 do_exit++;
2248 exit_val = 1;
2249 }
2250 break;
50d16976 2251 case 'S':
7d8ea970 2252 did_arg = 1;
c8931876 2253#ifndef CONFIG_NO_SHM
a37f69b7 2254 if (nr_clients) {
132159a5
JA
2255 log_err("fio: can't be both client and server\n");
2256 do_exit++;
2257 exit_val = 1;
2258 break;
2259 }
87aa8f19 2260 if (optarg)
bebe6398 2261 fio_server_set_arg(optarg);
50d16976 2262 is_backend = 1;
81179eec 2263 backend = 1;
c8931876
JA
2264#else
2265 log_err("fio: client/server requires SHM support\n");
2266 do_exit++;
2267 exit_val = 1;
2268#endif
50d16976 2269 break;
e46d8091 2270 case 'D':
6cfe9a8c
JA
2271 if (pid_file)
2272 free(pid_file);
402668f3 2273 pid_file = strdup(optarg);
e46d8091 2274 break;
f2a2ce0e
HL
2275 case 'I':
2276 if ((ret = fio_idle_prof_parse_opt(optarg))) {
2277 /* exit on error and calibration only */
7d8ea970 2278 did_arg = 1;
f2a2ce0e 2279 do_exit++;
7d8ea970 2280 if (ret == -1)
f2a2ce0e
HL
2281 exit_val = 1;
2282 }
2283 break;
132159a5 2284 case 'C':
7d8ea970 2285 did_arg = 1;
132159a5
JA
2286 if (is_backend) {
2287 log_err("fio: can't be both client and server\n");
2288 do_exit++;
2289 exit_val = 1;
2290 break;
2291 }
08633c32
BE
2292 /* if --client parameter contains a pathname */
2293 if (0 == access(optarg, R_OK)) {
2294 /* file contains a list of host addrs or names */
2972708f 2295 char hostaddr[PATH_MAX] = {0};
08633c32
BE
2296 char formatstr[8];
2297 FILE * hostf = fopen(optarg, "r");
2298 if (!hostf) {
2299 log_err("fio: could not open client list file %s for read\n", optarg);
2300 do_exit++;
2301 exit_val = 1;
2302 break;
2303 }
2972708f
JA
2304 sprintf(formatstr, "%%%ds", PATH_MAX - 1);
2305 /*
2306 * read at most PATH_MAX-1 chars from each
2307 * record in this file
2308 */
08633c32
BE
2309 while (fscanf(hostf, formatstr, hostaddr) == 1) {
2310 /* expect EVERY host in file to be valid */
2311 if (fio_client_add(&fio_client_ops, hostaddr, &cur_client)) {
2312 log_err("fio: failed adding client %s from file %s\n", hostaddr, optarg);
2313 do_exit++;
2314 exit_val = 1;
2315 break;
2316 }
2317 }
2318 fclose(hostf);
2319 break; /* no possibility of job file for "this client only" */
2320 }
a5276616 2321 if (fio_client_add(&fio_client_ops, optarg, &cur_client)) {
bebe6398
JA
2322 log_err("fio: failed adding client %s\n", optarg);
2323 do_exit++;
2324 exit_val = 1;
2325 break;
2326 }
14ea90ed
JA
2327 /*
2328 * If the next argument exists and isn't an option,
2329 * assume it's a job file for this client only.
2330 */
2331 while (optind < argc) {
2332 if (!strncmp(argv[optind], "--", 2) ||
2333 !strncmp(argv[optind], "-", 1))
2334 break;
2335
323255cc
JA
2336 if (fio_client_add_ini_file(cur_client, argv[optind], 0))
2337 break;
14ea90ed
JA
2338 optind++;
2339 }
132159a5 2340 break;
323255cc
JA
2341 case 'R':
2342 did_arg = 1;
2343 if (fio_client_add_ini_file(cur_client, optarg, 1)) {
2344 do_exit++;
2345 exit_val = 1;
2346 }
2347 break;
7d11f871 2348 case 'T':
7d8ea970 2349 did_arg = 1;
7d11f871 2350 do_exit++;
aad918e4 2351 exit_val = fio_monotonic_clocktest(1);
7d11f871 2352 break;
fec0f21c 2353 case 'G':
7d8ea970 2354 did_arg = 1;
fec0f21c
JA
2355 do_exit++;
2356 exit_val = fio_crctest(optarg);
2357 break;
06464907
JA
2358 case 'L': {
2359 long long val;
2360
88038bc7 2361 if (check_str_time(optarg, &val, 1)) {
06464907
JA
2362 log_err("fio: failed parsing time %s\n", optarg);
2363 do_exit++;
2364 exit_val = 1;
2365 break;
2366 }
88038bc7 2367 status_interval = val / 1000;
06464907
JA
2368 break;
2369 }
b63efd30 2370 case 'W':
f9cbae9e
JA
2371 if (trigger_file)
2372 free(trigger_file);
b63efd30
JA
2373 trigger_file = strdup(optarg);
2374 break;
2375 case 'H':
f9cbae9e
JA
2376 if (trigger_cmd)
2377 free(trigger_cmd);
b63efd30
JA
2378 trigger_cmd = strdup(optarg);
2379 break;
2380 case 'J':
f9cbae9e
JA
2381 if (trigger_remote_cmd)
2382 free(trigger_remote_cmd);
b63efd30 2383 trigger_remote_cmd = strdup(optarg);
ca09be4b 2384 break;
ca09be4b
JA
2385 case 'B':
2386 if (check_str_time(optarg, &trigger_timeout, 1)) {
2387 log_err("fio: failed parsing time %s\n", optarg);
2388 do_exit++;
2389 exit_val = 1;
2390 }
2391 trigger_timeout /= 1000000;
2392 break;
798827c8
JA
2393 case '?':
2394 log_err("%s: unrecognized option '%s'\n", argv[0],
2395 argv[optind - 1]);
a893c261 2396 show_closest_option(argv[optind - 1]);
b4692828 2397 default:
c09823ab
JA
2398 do_exit++;
2399 exit_val = 1;
b4692828 2400 break;
ebac4655 2401 }
c7d5c941
JA
2402 if (do_exit)
2403 break;
ebac4655 2404 }
c9fad893 2405
0b14f0a8
JA
2406 if (do_exit && !(is_backend || nr_clients))
2407 exit(exit_val);
536582bf 2408
fb296043
JA
2409 if (nr_clients && fio_clients_connect())
2410 exit(1);
132159a5 2411
81179eec 2412 if (is_backend && backend)
402668f3 2413 return fio_start_server(pid_file);
b8ba87ac
JA
2414 else if (pid_file)
2415 free(pid_file);
50d16976 2416
b4692828 2417 if (td) {
7d8ea970 2418 if (!ret) {
46bcd498 2419 ret = add_job(td, td->o.name ?: "fio", 0, 0, client_type);
7d8ea970
JA
2420 if (ret)
2421 did_arg = 1;
2422 }
972cfd25 2423 }
774a6177 2424
7874f8b7 2425 while (!ret && optind < argc) {
b4692828
JA
2426 ini_idx++;
2427 ini_file = realloc(ini_file, ini_idx * sizeof(char *));
2428 ini_file[ini_idx - 1] = strdup(argv[optind]);
2429 optind++;
eb8bbf48 2430 }
972cfd25 2431
4a4ac4e3
JA
2432out_free:
2433 if (pid_file)
2434 free(pid_file);
2435
972cfd25 2436 return ini_idx;
ebac4655
JA
2437}
2438
0420ba6a 2439int fio_init_options(void)
ebac4655 2440{
b4692828
JA
2441 f_out = stdout;
2442 f_err = stderr;
2443
4c6107ff 2444 fio_options_fill_optstring();
5ec10eaa 2445 fio_options_dup_and_init(l_opts);
b4692828 2446
9d9eb2e7
JA
2447 atexit(free_shm);
2448
ebac4655
JA
2449 if (fill_def_thread())
2450 return 1;
2451
0420ba6a
JA
2452 return 0;
2453}
2454
51167799
JA
2455extern int fio_check_options(struct thread_options *);
2456
0420ba6a
JA
2457int parse_options(int argc, char *argv[])
2458{
46bcd498 2459 const int type = FIO_CLIENT_TYPE_CLI;
0420ba6a
JA
2460 int job_files, i;
2461
2462 if (fio_init_options())
2463 return 1;
51167799
JA
2464 if (fio_test_cconv(&def_thread.o))
2465 log_err("fio: failed internal cconv test\n");
0420ba6a 2466
46bcd498 2467 job_files = parse_cmd_line(argc, argv, type);
ebac4655 2468
cdf54d85
JA
2469 if (job_files > 0) {
2470 for (i = 0; i < job_files; i++) {
bc4f5ef6 2471 if (i && fill_def_thread())
132159a5 2472 return 1;
cdf54d85
JA
2473 if (nr_clients) {
2474 if (fio_clients_send_ini(ini_file[i]))
2475 return 1;
2476 free(ini_file[i]);
2477 } else if (!is_backend) {
46bcd498 2478 if (parse_jobs_ini(ini_file[i], 0, i, type))
cdf54d85
JA
2479 return 1;
2480 free(ini_file[i]);
2481 }
132159a5 2482 }
14ea90ed
JA
2483 } else if (nr_clients) {
2484 if (fill_def_thread())
2485 return 1;
2486 if (fio_clients_send_ini(NULL))
2487 return 1;
972cfd25 2488 }
ebac4655 2489
88c6ed80 2490 free(ini_file);
7e356b2d 2491 fio_options_free(&def_thread);
bcbfeefa 2492 filesetup_mem_free();
b4692828
JA
2493
2494 if (!thread_number) {
f9633d72 2495 if (parse_dryrun())
cca73aa7 2496 return 0;
07b3232d
JA
2497 if (exec_profile)
2498 return 0;
a37f69b7 2499 if (is_backend || nr_clients)
5c341e9a 2500 return 0;
085399db
JA
2501 if (did_arg)
2502 return 0;
cca73aa7 2503
d65e11c6 2504 log_err("No jobs(s) defined\n\n");
085399db
JA
2505
2506 if (!did_arg) {
2507 usage(argv[0]);
2508 return 1;
2509 }
2510
2511 return 0;
b4692828
JA
2512 }
2513
f3afa57e 2514 if (output_format == FIO_OUTPUT_NORMAL)
3d43382c 2515 log_info("%s\n", fio_version_string);
f6dea4d3 2516
ebac4655
JA
2517 return 0;
2518}
588b7f09
JA
2519
2520void options_default_fill(struct thread_options *o)
2521{
2522 memcpy(o, &def_thread.o, sizeof(*o));
2523}