Fix bad latency reporting for rated IO jobs
[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>
12#include <sys/shm.h>
13#include <sys/types.h>
14#include <sys/stat.h>
15
16#include "fio.h"
cb2c86fd 17#include "parse.h"
2e5cdb11 18#include "smalloc.h"
380065aa 19#include "filehash.h"
4f5af7b2 20#include "verify.h"
79d16311 21#include "profile.h"
ebac4655 22
bf2e821a
CC
23#include "lib/getopt.h"
24
173dbaa4 25static char fio_version_string[] = "fio 1.57";
214e1eca 26
ee738499 27#define FIO_RANDSEED (0xb1899bedUL)
ebac4655 28
214e1eca 29static char **ini_file;
fca70358 30static int max_jobs = FIO_MAX_JOBS;
cca73aa7 31static int dump_cmdline;
e1f36503 32
be4ecfdf 33static struct thread_data def_thread;
214e1eca 34struct thread_data *threads = NULL;
e1f36503 35
214e1eca
JA
36int exitall_on_terminate = 0;
37int terse_output = 0;
e592a06b 38int eta_print;
214e1eca
JA
39unsigned long long mlock_size = 0;
40FILE *f_out = NULL;
41FILE *f_err = NULL;
ad0a2735
JA
42char **job_sections = NULL;
43int nr_job_sections = 0;
07b3232d 44char *exec_profile = NULL;
a9523c6f 45int warnings_fatal = 0;
ee738499 46
214e1eca 47int write_bw_log = 0;
4241ea8f 48int read_only = 0;
214e1eca 49
5ec10eaa 50static int write_lat_log;
e1f36503 51
214e1eca 52static int prev_group_jobs;
b4692828 53
ee56ad50 54unsigned long fio_debug = 0;
5e1d306e
JA
55unsigned int fio_debug_jobno = -1;
56unsigned int *fio_debug_jobp = NULL;
ee56ad50 57
4c6107ff
JA
58static char cmd_optstr[256];
59
b4692828
JA
60/*
61 * Command line options. These will contain the above, plus a few
62 * extra that only pertain to fio itself and not jobs.
63 */
5ec10eaa 64static struct option l_opts[FIO_NR_OPTIONS] = {
b4692828 65 {
08d2a19c 66 .name = (char *) "output",
b4692828
JA
67 .has_arg = required_argument,
68 .val = 'o',
69 },
70 {
08d2a19c 71 .name = (char *) "timeout",
b4692828
JA
72 .has_arg = required_argument,
73 .val = 't',
74 },
75 {
08d2a19c 76 .name = (char *) "latency-log",
b4692828
JA
77 .has_arg = required_argument,
78 .val = 'l',
79 },
80 {
08d2a19c 81 .name = (char *) "bandwidth-log",
b4692828
JA
82 .has_arg = required_argument,
83 .val = 'b',
84 },
85 {
08d2a19c 86 .name = (char *) "minimal",
b4692828
JA
87 .has_arg = optional_argument,
88 .val = 'm',
89 },
90 {
08d2a19c 91 .name = (char *) "version",
b4692828
JA
92 .has_arg = no_argument,
93 .val = 'v',
94 },
fd28ca49 95 {
08d2a19c 96 .name = (char *) "help",
fd28ca49
JA
97 .has_arg = no_argument,
98 .val = 'h',
99 },
100 {
08d2a19c 101 .name = (char *) "cmdhelp",
320beefe 102 .has_arg = optional_argument,
fd28ca49
JA
103 .val = 'c',
104 },
cca73aa7 105 {
08d2a19c 106 .name = (char *) "showcmd",
cca73aa7 107 .has_arg = no_argument,
724e4435
JA
108 .val = 's',
109 },
110 {
08d2a19c 111 .name = (char *) "readonly",
724e4435
JA
112 .has_arg = no_argument,
113 .val = 'r',
cca73aa7 114 },
e592a06b 115 {
08d2a19c 116 .name = (char *) "eta",
e592a06b
AC
117 .has_arg = required_argument,
118 .val = 'e',
119 },
ee56ad50 120 {
08d2a19c 121 .name = (char *) "debug",
ee56ad50
JA
122 .has_arg = required_argument,
123 .val = 'd',
124 },
01f06b63 125 {
08d2a19c 126 .name = (char *) "section",
01f06b63
JA
127 .has_arg = required_argument,
128 .val = 'x',
129 },
2b386d25 130 {
08d2a19c 131 .name = (char *) "alloc-size",
2b386d25
JA
132 .has_arg = required_argument,
133 .val = 'a',
134 },
9ac8a797 135 {
08d2a19c 136 .name = (char *) "profile",
9ac8a797
JA
137 .has_arg = required_argument,
138 .val = 'p',
139 },
a9523c6f 140 {
08d2a19c 141 .name = (char *) "warnings-fatal",
a9523c6f
JA
142 .has_arg = no_argument,
143 .val = 'w',
144 },
fca70358
JA
145 {
146 .name = (char *) "max-jobs",
147 .has_arg = required_argument,
148 .val = 'j',
149 },
b4692828
JA
150 {
151 .name = NULL,
152 },
153};
154
9728ce37
JB
155FILE *get_f_out()
156{
157 return f_out;
158}
159
160FILE *get_f_err()
161{
162 return f_err;
163}
164
906c8d75
JA
165/*
166 * Return a free job structure.
167 */
ebac4655
JA
168static struct thread_data *get_new_job(int global, struct thread_data *parent)
169{
170 struct thread_data *td;
171
172 if (global)
173 return &def_thread;
e61f1ec8
BC
174 if (thread_number >= max_jobs) {
175 log_err("error: maximum number of jobs (%d) reached.\n",
176 max_jobs);
ebac4655 177 return NULL;
e61f1ec8 178 }
ebac4655
JA
179
180 td = &threads[thread_number++];
ddaeaa5a 181 *td = *parent;
ebac4655 182
e0b0d892
JA
183 td->o.uid = td->o.gid = -1U;
184
cade3ef4 185 dup_files(td, parent);
d23bb327 186 options_mem_dupe(td);
cade3ef4 187
15dc1934
JA
188 profile_add_hooks(td);
189
ebac4655 190 td->thread_number = thread_number;
ebac4655
JA
191 return td;
192}
193
194static void put_job(struct thread_data *td)
195{
549577a7
JA
196 if (td == &def_thread)
197 return;
84dd1886 198
58c55ba0 199 profile_td_exit(td);
549577a7 200
16edf25d 201 if (td->error)
6d86144d 202 log_info("fio: %s\n", td->verror);
16edf25d 203
ebac4655
JA
204 memset(&threads[td->thread_number - 1], 0, sizeof(*td));
205 thread_number--;
206}
207
581e7141 208static int __setup_rate(struct thread_data *td, enum fio_ddir ddir)
127f6865 209{
581e7141 210 unsigned int bs = td->o.min_bs[ddir];
ba3e4e0c 211 unsigned long long bytes_per_sec;
127f6865 212
ff58fced
JA
213 assert(ddir_rw(ddir));
214
ba3e4e0c
RR
215 if (td->o.rate[ddir])
216 bytes_per_sec = td->o.rate[ddir];
217 else
218 bytes_per_sec = td->o.rate_iops[ddir] * bs;
127f6865 219
ba3e4e0c 220 if (!bytes_per_sec) {
127f6865
JA
221 log_err("rate lower than supported\n");
222 return -1;
223 }
224
ba3e4e0c 225 td->rate_nsec_cycle[ddir] = 1000000000ULL / bytes_per_sec;
581e7141 226 td->rate_pending_usleep[ddir] = 0;
127f6865
JA
227 return 0;
228}
229
581e7141
JA
230static int setup_rate(struct thread_data *td)
231{
232 int ret = 0;
233
234 if (td->o.rate[DDIR_READ] || td->o.rate_iops[DDIR_READ])
235 ret = __setup_rate(td, DDIR_READ);
236 if (td->o.rate[DDIR_WRITE] || td->o.rate_iops[DDIR_WRITE])
237 ret |= __setup_rate(td, DDIR_WRITE);
238
239 return ret;
240}
241
8347239a
JA
242static int fixed_block_size(struct thread_options *o)
243{
244 return o->min_bs[DDIR_READ] == o->max_bs[DDIR_READ] &&
245 o->min_bs[DDIR_WRITE] == o->max_bs[DDIR_WRITE] &&
246 o->min_bs[DDIR_READ] == o->min_bs[DDIR_WRITE];
247}
248
dad915e3
JA
249/*
250 * Lazy way of fixing up options that depend on each other. We could also
251 * define option callback handlers, but this is easier.
252 */
4e991c23 253static int fixup_options(struct thread_data *td)
e1f36503 254{
2dc1bbeb 255 struct thread_options *o = &td->o;
ff217451 256 int ret = 0;
dad915e3 257
f356d01d 258#ifndef FIO_HAVE_PSHARED_MUTEX
9bbf57cc 259 if (!o->use_thread) {
f356d01d
JA
260 log_info("fio: this platform does not support process shared"
261 " mutexes, forcing use of threads. Use the 'thread'"
262 " option to get rid of this warning.\n");
9bbf57cc 263 o->use_thread = 1;
a9523c6f 264 ret = warnings_fatal;
f356d01d
JA
265 }
266#endif
267
2dc1bbeb 268 if (o->write_iolog_file && o->read_iolog_file) {
076efc7c 269 log_err("fio: read iolog overrides write_iolog\n");
2dc1bbeb
JA
270 free(o->write_iolog_file);
271 o->write_iolog_file = NULL;
a9523c6f 272 ret = warnings_fatal;
076efc7c 273 }
16b462ae 274
16b462ae
JA
275 /*
276 * only really works for sequential io for now, and with 1 file
277 */
2dc1bbeb
JA
278 if (o->zone_size && td_random(td) && o->open_files == 1)
279 o->zone_size = 0;
16b462ae
JA
280
281 /*
282 * Reads can do overwrites, we always need to pre-create the file
283 */
284 if (td_read(td) || td_rw(td))
2dc1bbeb 285 o->overwrite = 1;
16b462ae 286
2dc1bbeb 287 if (!o->min_bs[DDIR_READ])
5ec10eaa 288 o->min_bs[DDIR_READ] = o->bs[DDIR_READ];
2dc1bbeb
JA
289 if (!o->max_bs[DDIR_READ])
290 o->max_bs[DDIR_READ] = o->bs[DDIR_READ];
291 if (!o->min_bs[DDIR_WRITE])
5ec10eaa 292 o->min_bs[DDIR_WRITE] = o->bs[DDIR_WRITE];
2dc1bbeb
JA
293 if (!o->max_bs[DDIR_WRITE])
294 o->max_bs[DDIR_WRITE] = o->bs[DDIR_WRITE];
a00735e6 295
2dc1bbeb 296 o->rw_min_bs = min(o->min_bs[DDIR_READ], o->min_bs[DDIR_WRITE]);
a00735e6 297
2b7a01d0
JA
298 /*
299 * For random IO, allow blockalign offset other than min_bs.
300 */
301 if (!o->ba[DDIR_READ] || !td_random(td))
302 o->ba[DDIR_READ] = o->min_bs[DDIR_READ];
303 if (!o->ba[DDIR_WRITE] || !td_random(td))
304 o->ba[DDIR_WRITE] = o->min_bs[DDIR_WRITE];
305
306 if ((o->ba[DDIR_READ] != o->min_bs[DDIR_READ] ||
307 o->ba[DDIR_WRITE] != o->min_bs[DDIR_WRITE]) &&
9bbf57cc 308 !o->norandommap) {
2b7a01d0 309 log_err("fio: Any use of blockalign= turns off randommap\n");
9bbf57cc 310 o->norandommap = 1;
a9523c6f 311 ret = warnings_fatal;
2b7a01d0
JA
312 }
313
2dc1bbeb
JA
314 if (!o->file_size_high)
315 o->file_size_high = o->file_size_low;
9c60ce64 316
8347239a
JA
317 if (o->norandommap && o->verify != VERIFY_NONE
318 && !fixed_block_size(o)) {
319 log_err("fio: norandommap given for variable block sizes, "
320 "verify disabled\n");
2dc1bbeb 321 o->verify = VERIFY_NONE;
a9523c6f 322 ret = warnings_fatal;
bb8895e0 323 }
2dc1bbeb 324 if (o->bs_unaligned && (o->odirect || td->io_ops->flags & FIO_RAWIO))
690adba3 325 log_err("fio: bs_unaligned may not work with raw io\n");
e0a22335 326
48097d5c
JA
327 /*
328 * thinktime_spin must be less than thinktime
329 */
2dc1bbeb
JA
330 if (o->thinktime_spin > o->thinktime)
331 o->thinktime_spin = o->thinktime;
e916b390
JA
332
333 /*
334 * The low water mark cannot be bigger than the iodepth
335 */
2dc1bbeb 336 if (o->iodepth_low > o->iodepth || !o->iodepth_low) {
9467b77c
JA
337 /*
338 * syslet work around - if the workload is sequential,
339 * we want to let the queue drain all the way down to
340 * avoid seeking between async threads
341 */
342 if (!strcmp(td->io_ops->name, "syslet-rw") && !td_random(td))
2dc1bbeb 343 o->iodepth_low = 1;
9467b77c 344 else
2dc1bbeb 345 o->iodepth_low = o->iodepth;
9467b77c 346 }
cb5ab512
JA
347
348 /*
349 * If batch number isn't set, default to the same as iodepth
350 */
2dc1bbeb
JA
351 if (o->iodepth_batch > o->iodepth || !o->iodepth_batch)
352 o->iodepth_batch = o->iodepth;
b5af8293 353
2dc1bbeb
JA
354 if (o->nr_files > td->files_index)
355 o->nr_files = td->files_index;
9f9214f2 356
2dc1bbeb
JA
357 if (o->open_files > o->nr_files || !o->open_files)
358 o->open_files = o->nr_files;
4e991c23 359
581e7141
JA
360 if (((o->rate[0] + o->rate[1]) && (o->rate_iops[0] + o->rate_iops[1]))||
361 ((o->ratemin[0] + o->ratemin[1]) && (o->rate_iops_min[0] +
362 o->rate_iops_min[1]))) {
4e991c23 363 log_err("fio: rate and rate_iops are mutually exclusive\n");
a9523c6f 364 ret = 1;
4e991c23 365 }
581e7141
JA
366 if ((o->rate[0] < o->ratemin[0]) || (o->rate[1] < o->ratemin[1]) ||
367 (o->rate_iops[0] < o->rate_iops_min[0]) ||
368 (o->rate_iops[1] < o->rate_iops_min[1])) {
4e991c23 369 log_err("fio: minimum rate exceeds rate\n");
a9523c6f 370 ret = 1;
4e991c23
JA
371 }
372
cf4464ca
JA
373 if (!o->timeout && o->time_based) {
374 log_err("fio: time_based requires a runtime/timeout setting\n");
375 o->time_based = 0;
a9523c6f 376 ret = warnings_fatal;
cf4464ca
JA
377 }
378
aa31f1f1 379 if (o->fill_device && !o->size)
5921e80c 380 o->size = -1ULL;
5ec10eaa 381
9bbf57cc 382 if (o->verify != VERIFY_NONE) {
996936f9 383 if (td_write(td) && o->do_verify && o->numjobs > 1) {
a9523c6f
JA
384 log_info("Multiple writers may overwrite blocks that "
385 "belong to other jobs. This can cause "
386 "verification failures.\n");
387 ret = warnings_fatal;
388 }
389
9bbf57cc 390 o->refill_buffers = 1;
2f1b8e8b
JA
391 if (o->max_bs[DDIR_WRITE] != o->min_bs[DDIR_WRITE] &&
392 !o->verify_interval)
393 o->verify_interval = o->min_bs[DDIR_WRITE];
d990588e 394 }
41ccd845 395
9bbf57cc
JA
396 if (o->pre_read) {
397 o->invalidate_cache = 0;
a9523c6f 398 if (td->io_ops->flags & FIO_PIPEIO) {
9c0d2241
JA
399 log_info("fio: cannot pre-read files with an IO engine"
400 " that isn't seekable. Pre-read disabled.\n");
a9523c6f
JA
401 ret = warnings_fatal;
402 }
9c0d2241 403 }
34f1c044 404
e72fa4d4 405#ifndef FIO_HAVE_FDATASYNC
9bbf57cc 406 if (o->fdatasync_blocks) {
e72fa4d4
JA
407 log_info("fio: this platform does not support fdatasync()"
408 " falling back to using fsync(). Use the 'fsync'"
409 " option instead of 'fdatasync' to get rid of"
410 " this warning\n");
9bbf57cc
JA
411 o->fsync_blocks = o->fdatasync_blocks;
412 o->fdatasync_blocks = 0;
a9523c6f 413 ret = warnings_fatal;
e72fa4d4
JA
414 }
415#endif
416
a9523c6f 417 return ret;
e1f36503
JA
418}
419
f8977ee6
JA
420/*
421 * This function leaks the buffer
422 */
423static char *to_kmg(unsigned int val)
424{
425 char *buf = malloc(32);
f3502ba2 426 char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 };
f8977ee6
JA
427 char *p = post;
428
245142ff 429 do {
f8977ee6
JA
430 if (val & 1023)
431 break;
432
433 val >>= 10;
434 p++;
245142ff 435 } while (*p);
f8977ee6
JA
436
437 snprintf(buf, 31, "%u%c", val, *p);
438 return buf;
439}
440
09629a90
JA
441/* External engines are specified by "external:name.o") */
442static const char *get_engine_name(const char *str)
443{
444 char *p = strstr(str, ":");
445
446 if (!p)
447 return str;
448
449 p++;
450 strip_blank_front(&p);
451 strip_blank_end(p);
452 return p;
453}
454
e132cbae
JA
455static int exists_and_not_file(const char *filename)
456{
457 struct stat sb;
458
459 if (lstat(filename, &sb) == -1)
460 return 0;
461
ecc314ba
BC
462 /* \\.\ is the device namespace in Windows, where every file
463 * is a device node */
464 if (S_ISREG(sb.st_mode) && strncmp(filename, "\\\\.\\", 4) != 0)
e132cbae
JA
465 return 0;
466
467 return 1;
468}
469
4c07ad86 470static void td_fill_rand_seeds_os(struct thread_data *td)
5bfc35d7
JA
471{
472 os_random_seed(td->rand_seeds[0], &td->bsrange_state);
473 os_random_seed(td->rand_seeds[1], &td->verify_state);
474 os_random_seed(td->rand_seeds[2], &td->rwmix_state);
475
476 if (td->o.file_service_type == FIO_FSERVICE_RANDOM)
477 os_random_seed(td->rand_seeds[3], &td->next_file_state);
478
479 os_random_seed(td->rand_seeds[5], &td->file_size_state);
0d29de83 480 os_random_seed(td->rand_seeds[6], &td->trim_state);
5bfc35d7
JA
481
482 if (!td_random(td))
483 return;
484
485 if (td->o.rand_repeatable)
486 td->rand_seeds[4] = FIO_RANDSEED * td->thread_number;
487
488 os_random_seed(td->rand_seeds[4], &td->random_state);
4c07ad86
JA
489}
490
491static void td_fill_rand_seeds_internal(struct thread_data *td)
492{
493 init_rand_seed(&td->__bsrange_state, td->rand_seeds[0]);
494 init_rand_seed(&td->__verify_state, td->rand_seeds[1]);
495 init_rand_seed(&td->__rwmix_state, td->rand_seeds[2]);
496
497 if (td->o.file_service_type == FIO_FSERVICE_RANDOM)
498 init_rand_seed(&td->__next_file_state, td->rand_seeds[3]);
499
500 init_rand_seed(&td->__file_size_state, td->rand_seeds[5]);
501 init_rand_seed(&td->__trim_state, td->rand_seeds[6]);
502
503 if (!td_random(td))
504 return;
505
506 if (td->o.rand_repeatable)
507 td->rand_seeds[4] = FIO_RANDSEED * td->thread_number;
508
2615cc4b 509 init_rand_seed(&td->__random_state, td->rand_seeds[4]);
5bfc35d7
JA
510}
511
4c07ad86
JA
512void td_fill_rand_seeds(struct thread_data *td)
513{
514 if (td->o.use_os_rand)
515 td_fill_rand_seeds_os(td);
516 else
517 td_fill_rand_seeds_internal(td);
518}
519
9c60ce64
JA
520/*
521 * Initialize the various random states we need (random io, block size ranges,
522 * read/write mix, etc).
523 */
524static int init_random_state(struct thread_data *td)
525{
68727076 526 int fd;
9c60ce64
JA
527
528 fd = open("/dev/urandom", O_RDONLY);
529 if (fd == -1) {
530 td_verror(td, errno, "open");
531 return 1;
532 }
533
5bfc35d7
JA
534 if (read(fd, td->rand_seeds, sizeof(td->rand_seeds)) <
535 (int) sizeof(td->rand_seeds)) {
9c60ce64
JA
536 td_verror(td, EIO, "read");
537 close(fd);
538 return 1;
539 }
540
541 close(fd);
5bfc35d7 542 td_fill_rand_seeds(td);
9c60ce64
JA
543 return 0;
544}
545
906c8d75
JA
546/*
547 * Adds a job to the list of things todo. Sanitizes the various options
548 * to make sure we don't have conflicts, and initializes various
549 * members of td.
550 */
75154845 551static int add_job(struct thread_data *td, const char *jobname, int job_add_num)
ebac4655 552{
413dd459
JA
553 const char *ddir_str[] = { NULL, "read", "write", "rw", NULL,
554 "randread", "randwrite", "randrw" };
af52b345 555 unsigned int i;
09629a90 556 const char *engine;
af52b345 557 char fname[PATH_MAX];
e132cbae 558 int numjobs, file_alloced;
ebac4655 559
ebac4655
JA
560 /*
561 * the def_thread is just for options, it's not a real job
562 */
563 if (td == &def_thread)
564 return 0;
565
cca73aa7
JA
566 /*
567 * if we are just dumping the output command line, don't add the job
568 */
569 if (dump_cmdline) {
570 put_job(td);
571 return 0;
572 }
573
58c55ba0 574 if (profile_td_init(td))
66251554 575 goto err;
58c55ba0 576
2dc1bbeb 577 engine = get_engine_name(td->o.ioengine);
09629a90
JA
578 td->io_ops = load_ioengine(td, engine);
579 if (!td->io_ops) {
580 log_err("fio: failed to load engine %s\n", engine);
205927a3 581 goto err;
09629a90 582 }
df64119d 583
2dc1bbeb 584 if (td->o.use_thread)
9cedf167
JA
585 nr_thread++;
586 else
587 nr_process++;
588
2dc1bbeb 589 if (td->o.odirect)
690adba3
JA
590 td->io_ops->flags |= FIO_RAWIO;
591
e132cbae 592 file_alloced = 0;
691c8fb0 593 if (!td->o.filename && !td->files_index && !td->o.read_iolog_file) {
e132cbae 594 file_alloced = 1;
80be24f4 595
2dc1bbeb 596 if (td->o.nr_files == 1 && exists_and_not_file(jobname))
e132cbae 597 add_file(td, jobname);
7b05a215 598 else {
2dc1bbeb 599 for (i = 0; i < td->o.nr_files; i++) {
5ec10eaa
JA
600 sprintf(fname, "%s.%d.%d", jobname,
601 td->thread_number, i);
7b05a215
JA
602 add_file(td, fname);
603 }
af52b345 604 }
0af7b542 605 }
ebac4655 606
4e991c23
JA
607 if (fixup_options(td))
608 goto err;
e0a22335 609
07eb79df
JA
610 if (td->io_ops->flags & FIO_DISKLESSIO) {
611 struct fio_file *f;
612
613 for_each_file(td, f, i)
614 f->real_file_size = -1ULL;
615 }
616
cdd18ad8 617 td->mutex = fio_mutex_init(0);
ebac4655 618
83349190
YH
619 td->ts.clat_percentiles = td->o.clat_percentiles;
620 if (td->o.overwrite_plist)
621 td->ts.percentile_list = td->o.percentile_list;
622 else
623 td->ts.percentile_list = NULL;
624
756867bd
JA
625 td->ts.clat_stat[0].min_val = td->ts.clat_stat[1].min_val = ULONG_MAX;
626 td->ts.slat_stat[0].min_val = td->ts.slat_stat[1].min_val = ULONG_MAX;
02af0988 627 td->ts.lat_stat[0].min_val = td->ts.lat_stat[1].min_val = ULONG_MAX;
756867bd 628 td->ts.bw_stat[0].min_val = td->ts.bw_stat[1].min_val = ULONG_MAX;
cdd5411e 629 td->ddir_seq_nr = td->o.ddir_seq_nr;
ebac4655 630
755c3189 631 if ((td->o.stonewall || td->o.new_group) && prev_group_jobs) {
3c5df6fa 632 prev_group_jobs = 0;
ebac4655 633 groupid++;
3c5df6fa 634 }
ebac4655
JA
635
636 td->groupid = groupid;
3c5df6fa 637 prev_group_jobs++;
ebac4655 638
9c60ce64
JA
639 if (init_random_state(td))
640 goto err;
641
ebac4655
JA
642 if (setup_rate(td))
643 goto err;
644
2dc1bbeb 645 if (td->o.write_lat_log) {
02af0988 646 setup_log(&td->ts.lat_log);
756867bd
JA
647 setup_log(&td->ts.slat_log);
648 setup_log(&td->ts.clat_log);
ebac4655 649 }
2dc1bbeb 650 if (td->o.write_bw_log)
756867bd 651 setup_log(&td->ts.bw_log);
ebac4655 652
2dc1bbeb
JA
653 if (!td->o.name)
654 td->o.name = strdup(jobname);
01452055 655
c6ae0a5b 656 if (!terse_output) {
b990b5c0 657 if (!job_add_num) {
5ec10eaa
JA
658 if (!strcmp(td->io_ops->name, "cpuio")) {
659 log_info("%s: ioengine=cpu, cpuload=%u,"
660 " cpucycle=%u\n", td->o.name,
661 td->o.cpuload,
662 td->o.cpucycle);
663 } else {
f8977ee6
JA
664 char *c1, *c2, *c3, *c4;
665
2dc1bbeb
JA
666 c1 = to_kmg(td->o.min_bs[DDIR_READ]);
667 c2 = to_kmg(td->o.max_bs[DDIR_READ]);
668 c3 = to_kmg(td->o.min_bs[DDIR_WRITE]);
669 c4 = to_kmg(td->o.max_bs[DDIR_WRITE]);
f8977ee6 670
5ec10eaa
JA
671 log_info("%s: (g=%d): rw=%s, bs=%s-%s/%s-%s,"
672 " ioengine=%s, iodepth=%u\n",
673 td->o.name, td->groupid,
674 ddir_str[td->o.td_ddir],
675 c1, c2, c3, c4,
676 td->io_ops->name,
677 td->o.iodepth);
f8977ee6
JA
678
679 free(c1);
680 free(c2);
681 free(c3);
682 free(c4);
683 }
b990b5c0 684 } else if (job_add_num == 1)
6d86144d 685 log_info("...\n");
c6ae0a5b 686 }
ebac4655
JA
687
688 /*
689 * recurse add identical jobs, clear numjobs and stonewall options
690 * as they don't apply to sub-jobs
691 */
2dc1bbeb 692 numjobs = td->o.numjobs;
ebac4655
JA
693 while (--numjobs) {
694 struct thread_data *td_new = get_new_job(0, td);
695
696 if (!td_new)
697 goto err;
698
2dc1bbeb
JA
699 td_new->o.numjobs = 1;
700 td_new->o.stonewall = 0;
92c1d41f 701 td_new->o.new_group = 0;
e132cbae
JA
702
703 if (file_alloced) {
2dc1bbeb 704 td_new->o.filename = NULL;
e132cbae 705 td_new->files_index = 0;
4e6ea2f1 706 td_new->files_size = 0;
e132cbae
JA
707 td_new->files = NULL;
708 }
709
75154845 710 job_add_num = numjobs - 1;
ebac4655 711
75154845 712 if (add_job(td_new, jobname, job_add_num))
ebac4655
JA
713 goto err;
714 }
3c5df6fa 715
ebac4655
JA
716 return 0;
717err:
718 put_job(td);
719 return -1;
720}
721
79d16311
JA
722/*
723 * Parse as if 'o' was a command line
724 */
725void add_job_opts(const char **o)
726{
727 struct thread_data *td, *td_parent;
728 int i, in_global = 1;
729 char jobname[32];
730
731 i = 0;
732 td_parent = td = NULL;
733 while (o[i]) {
734 if (!strncmp(o[i], "name", 4)) {
735 in_global = 0;
736 if (td)
737 add_job(td, jobname, 0);
738 td = NULL;
739 sprintf(jobname, "%s", o[i] + 5);
740 }
741 if (in_global && !td_parent)
742 td_parent = get_new_job(1, &def_thread);
743 else if (!in_global && !td) {
744 if (!td_parent)
745 td_parent = &def_thread;
746 td = get_new_job(0, td_parent);
747 }
748 if (in_global)
749 fio_options_parse(td_parent, (char **) &o[i], 1);
750 else
751 fio_options_parse(td, (char **) &o[i], 1);
752 i++;
753 }
754
755 if (td)
756 add_job(td, jobname, 0);
757}
758
01f06b63
JA
759static int skip_this_section(const char *name)
760{
ad0a2735
JA
761 int i;
762
763 if (!nr_job_sections)
01f06b63
JA
764 return 0;
765 if (!strncmp(name, "global", 6))
766 return 0;
767
ad0a2735
JA
768 for (i = 0; i < nr_job_sections; i++)
769 if (!strcmp(job_sections[i], name))
770 return 0;
771
772 return 1;
01f06b63
JA
773}
774
ebac4655
JA
775static int is_empty_or_comment(char *line)
776{
777 unsigned int i;
778
779 for (i = 0; i < strlen(line); i++) {
780 if (line[i] == ';')
781 return 1;
5cc2da30
IM
782 if (line[i] == '#')
783 return 1;
76cd9378 784 if (!isspace((int) line[i]) && !iscntrl((int) line[i]))
ebac4655
JA
785 return 0;
786 }
787
788 return 1;
789}
790
07261983
JA
791/*
792 * This is our [ini] type file parser.
793 */
1e97cce9 794static int parse_jobs_ini(char *file, int stonewall_flag)
ebac4655 795{
e1f36503 796 unsigned int global;
ebac4655 797 struct thread_data *td;
fee3bb48 798 char *string, *name;
ebac4655
JA
799 FILE *f;
800 char *p;
0c7e37a0 801 int ret = 0, stonewall;
097b2991 802 int first_sect = 1;
ccf8f127 803 int skip_fgets = 0;
01f06b63 804 int inside_skip = 0;
3b8b7135
JA
805 char **opts;
806 int i, alloc_opts, num_opts;
ebac4655 807
5a729cbe
AC
808 if (!strcmp(file, "-"))
809 f = stdin;
810 else
811 f = fopen(file, "r");
812
ebac4655 813 if (!f) {
aea47d44 814 perror("fopen job file");
ebac4655
JA
815 return 1;
816 }
817
818 string = malloc(4096);
7f7e6e59
JA
819
820 /*
821 * it's really 256 + small bit, 280 should suffice
822 */
823 name = malloc(280);
824 memset(name, 0, 280);
ebac4655 825
3b8b7135
JA
826 alloc_opts = 8;
827 opts = malloc(sizeof(char *) * alloc_opts);
b7c6302d 828 num_opts = 0;
3b8b7135 829
0c7e37a0 830 stonewall = stonewall_flag;
7c124ac1 831 do {
ccf8f127
JA
832 /*
833 * if skip_fgets is set, we already have loaded a line we
834 * haven't handled.
835 */
836 if (!skip_fgets) {
837 p = fgets(string, 4095, f);
838 if (!p)
839 break;
840 }
cdc7f193 841
ccf8f127 842 skip_fgets = 0;
cdc7f193 843 strip_blank_front(&p);
6c7c7da1 844 strip_blank_end(p);
cdc7f193 845
ebac4655
JA
846 if (is_empty_or_comment(p))
847 continue;
84dd1886 848 if (sscanf(p, "[%255[^\n]]", name) != 1) {
01f06b63
JA
849 if (inside_skip)
850 continue;
5ec10eaa
JA
851 log_err("fio: option <%s> outside of [] job section\n",
852 p);
088b4207 853 break;
6c7c7da1 854 }
ebac4655 855
7a4b80a1
JA
856 name[strlen(name) - 1] = '\0';
857
01f06b63
JA
858 if (skip_this_section(name)) {
859 inside_skip = 1;
860 continue;
861 } else
862 inside_skip = 0;
863
ebac4655
JA
864 global = !strncmp(name, "global", 6);
865
cca73aa7 866 if (dump_cmdline) {
097b2991
JA
867 if (first_sect)
868 log_info("fio ");
cca73aa7
JA
869 if (!global)
870 log_info("--name=%s ", name);
097b2991 871 first_sect = 0;
cca73aa7
JA
872 }
873
ebac4655 874 td = get_new_job(global, &def_thread);
45410acb
JA
875 if (!td) {
876 ret = 1;
877 break;
878 }
ebac4655 879
972cfd25
JA
880 /*
881 * Seperate multiple job files by a stonewall
882 */
f9481919 883 if (!global && stonewall) {
2dc1bbeb 884 td->o.stonewall = stonewall;
972cfd25
JA
885 stonewall = 0;
886 }
887
3b8b7135
JA
888 num_opts = 0;
889 memset(opts, 0, alloc_opts * sizeof(char *));
890
ebac4655
JA
891 while ((p = fgets(string, 4096, f)) != NULL) {
892 if (is_empty_or_comment(p))
893 continue;
e1f36503 894
b6754f9d 895 strip_blank_front(&p);
7c124ac1 896
ccf8f127
JA
897 /*
898 * new section, break out and make sure we don't
899 * fgets() a new line at the top.
900 */
901 if (p[0] == '[') {
902 skip_fgets = 1;
7c124ac1 903 break;
ccf8f127 904 }
7c124ac1 905
4ae3f763 906 strip_blank_end(p);
aea47d44 907
3b8b7135
JA
908 if (num_opts == alloc_opts) {
909 alloc_opts <<= 1;
910 opts = realloc(opts,
911 alloc_opts * sizeof(char *));
912 }
913
914 opts[num_opts] = strdup(p);
915 num_opts++;
ebac4655 916 }
ebac4655 917
3b8b7135
JA
918 ret = fio_options_parse(td, opts, num_opts);
919 if (!ret) {
920 if (dump_cmdline)
921 for (i = 0; i < num_opts; i++)
922 log_info("--%s ", opts[i]);
923
45410acb 924 ret = add_job(td, name, 0);
3b8b7135 925 } else {
b1508cf9
JA
926 log_err("fio: job %s dropped\n", name);
927 put_job(td);
45410acb 928 }
3b8b7135
JA
929
930 for (i = 0; i < num_opts; i++)
931 free(opts[i]);
932 num_opts = 0;
7c124ac1 933 } while (!ret);
ebac4655 934
cca73aa7
JA
935 if (dump_cmdline)
936 log_info("\n");
937
3b8b7135
JA
938 for (i = 0; i < num_opts; i++)
939 free(opts[i]);
940
ebac4655
JA
941 free(string);
942 free(name);
2577594d 943 free(opts);
5a729cbe
AC
944 if (f != stdin)
945 fclose(f);
45410acb 946 return ret;
ebac4655
JA
947}
948
949static int fill_def_thread(void)
950{
951 memset(&def_thread, 0, sizeof(def_thread));
952
375b2695 953 fio_getaffinity(getpid(), &def_thread.o.cpumask);
ebac4655
JA
954
955 /*
ee738499 956 * fill default options
ebac4655 957 */
214e1eca 958 fio_fill_default_options(&def_thread);
ebac4655
JA
959 return 0;
960}
961
214e1eca
JA
962static void free_shm(void)
963{
964 struct shmid_ds sbuf;
965
966 if (threads) {
5e1d306e
JA
967 void *tp = threads;
968
214e1eca 969 threads = NULL;
5e1d306e
JA
970 file_hash_exit();
971 fio_debug_jobp = NULL;
972 shmdt(tp);
214e1eca
JA
973 shmctl(shm_id, IPC_RMID, &sbuf);
974 }
2e5cdb11
JA
975
976 scleanup();
214e1eca
JA
977}
978
979/*
980 * The thread area is shared between the main process and the job
981 * threads/processes. So setup a shared memory segment that will hold
380065aa
JA
982 * all the job info. We use the end of the region for keeping track of
983 * open files across jobs, for file sharing.
214e1eca
JA
984 */
985static int setup_thread_area(void)
986{
380065aa
JA
987 void *hash;
988
214e1eca
JA
989 /*
990 * 1024 is too much on some machines, scale max_jobs if
991 * we get a failure that looks like too large a shm segment
992 */
993 do {
994 size_t size = max_jobs * sizeof(struct thread_data);
995
380065aa 996 size += file_hash_size;
5e1d306e 997 size += sizeof(unsigned int);
380065aa 998
214e1eca
JA
999 shm_id = shmget(0, size, IPC_CREAT | 0600);
1000 if (shm_id != -1)
1001 break;
1002 if (errno != EINVAL) {
1003 perror("shmget");
1004 break;
1005 }
1006
1007 max_jobs >>= 1;
1008 } while (max_jobs);
1009
1010 if (shm_id == -1)
1011 return 1;
1012
1013 threads = shmat(shm_id, NULL, 0);
1014 if (threads == (void *) -1) {
1015 perror("shmat");
1016 return 1;
1017 }
1018
1f809d15 1019 memset(threads, 0, max_jobs * sizeof(struct thread_data));
380065aa 1020 hash = (void *) threads + max_jobs * sizeof(struct thread_data);
5e1d306e
JA
1021 fio_debug_jobp = (void *) hash + file_hash_size;
1022 *fio_debug_jobp = -1;
380065aa 1023 file_hash_init(hash);
214e1eca
JA
1024 atexit(free_shm);
1025 return 0;
1026}
1027
45378b35 1028static void usage(const char *name)
4785f995 1029{
43617628 1030 printf("%s\n", fio_version_string);
45378b35 1031 printf("%s [options] [job options] <job file(s)>\n", name);
ee56ad50 1032 printf("\t--debug=options\tEnable debug logging\n");
b4692828
JA
1033 printf("\t--output\tWrite output to file\n");
1034 printf("\t--timeout\tRuntime in seconds\n");
1035 printf("\t--latency-log\tGenerate per-job latency logs\n");
1036 printf("\t--bandwidth-log\tGenerate per-job bandwidth logs\n");
1037 printf("\t--minimal\tMinimal (terse) output\n");
1038 printf("\t--version\tPrint version info and exit\n");
fd28ca49 1039 printf("\t--help\t\tPrint this page\n");
5ec10eaa
JA
1040 printf("\t--cmdhelp=cmd\tPrint command help, \"all\" for all of"
1041 " them\n");
cca73aa7 1042 printf("\t--showcmd\tTurn a job file into command line options\n");
e592a06b
AC
1043 printf("\t--eta=when\tWhen ETA estimate should be printed\n");
1044 printf("\t \tMay be \"always\", \"never\" or \"auto\"\n");
5ec10eaa
JA
1045 printf("\t--readonly\tTurn on safety read-only checks, preventing"
1046 " writes\n");
01f06b63 1047 printf("\t--section=name\tOnly run specified section in job file\n");
2b386d25
JA
1048 printf("\t--alloc-size=kb\tSet smalloc pool to this size in kb"
1049 " (def 1024)\n");
a9523c6f 1050 printf("\t--warnings-fatal Fio parser warnings are fatal\n");
fca70358 1051 printf("\t--max-jobs\tMaximum number of threads/processes to support\n");
aa58d252
JA
1052 printf("\nFio was written by Jens Axboe <jens.axboe@oracle.com>");
1053 printf("\n Jens Axboe <jaxboe@fusionio.com>\n");
4785f995
JA
1054}
1055
79e48f72 1056#ifdef FIO_INC_DEBUG
ee56ad50 1057struct debug_level debug_levels[] = {
bd6f78b2
JA
1058 { .name = "process", .shift = FD_PROCESS, },
1059 { .name = "file", .shift = FD_FILE, },
1060 { .name = "io", .shift = FD_IO, },
1061 { .name = "mem", .shift = FD_MEM, },
1062 { .name = "blktrace", .shift = FD_BLKTRACE },
1063 { .name = "verify", .shift = FD_VERIFY },
84422acd 1064 { .name = "random", .shift = FD_RANDOM },
a3d741fa 1065 { .name = "parse", .shift = FD_PARSE },
cd991b9e 1066 { .name = "diskutil", .shift = FD_DISKUTIL },
5e1d306e 1067 { .name = "job", .shift = FD_JOB },
29adda3c 1068 { .name = "mutex", .shift = FD_MUTEX },
79d16311 1069 { .name = "profile", .shift = FD_PROFILE },
c223da83 1070 { .name = "time", .shift = FD_TIME },
02444ad1 1071 { .name = NULL, },
ee56ad50
JA
1072};
1073
c09823ab 1074static int set_debug(const char *string)
ee56ad50
JA
1075{
1076 struct debug_level *dl;
1077 char *p = (char *) string;
1078 char *opt;
1079 int i;
1080
1081 if (!strcmp(string, "?") || !strcmp(string, "help")) {
ee56ad50
JA
1082 log_info("fio: dumping debug options:");
1083 for (i = 0; debug_levels[i].name; i++) {
1084 dl = &debug_levels[i];
1085 log_info("%s,", dl->name);
1086 }
bd6f78b2 1087 log_info("all\n");
c09823ab 1088 return 1;
ee56ad50
JA
1089 }
1090
1091 while ((opt = strsep(&p, ",")) != NULL) {
1092 int found = 0;
1093
5e1d306e
JA
1094 if (!strncmp(opt, "all", 3)) {
1095 log_info("fio: set all debug options\n");
1096 fio_debug = ~0UL;
1097 continue;
1098 }
1099
ee56ad50
JA
1100 for (i = 0; debug_levels[i].name; i++) {
1101 dl = &debug_levels[i];
5e1d306e
JA
1102 found = !strncmp(opt, dl->name, strlen(dl->name));
1103 if (!found)
1104 continue;
1105
1106 if (dl->shift == FD_JOB) {
1107 opt = strchr(opt, ':');
1108 if (!opt) {
1109 log_err("fio: missing job number\n");
1110 break;
1111 }
1112 opt++;
1113 fio_debug_jobno = atoi(opt);
1114 log_info("fio: set debug jobno %d\n",
1115 fio_debug_jobno);
1116 } else {
ee56ad50 1117 log_info("fio: set debug option %s\n", opt);
bd6f78b2 1118 fio_debug |= (1UL << dl->shift);
ee56ad50 1119 }
5e1d306e 1120 break;
ee56ad50
JA
1121 }
1122
1123 if (!found)
1124 log_err("fio: debug mask %s not found\n", opt);
1125 }
c09823ab 1126 return 0;
ee56ad50 1127}
79e48f72 1128#else
69b98d4c 1129static int set_debug(const char *string)
79e48f72
JA
1130{
1131 log_err("fio: debug tracing not included in build\n");
c09823ab 1132 return 1;
79e48f72
JA
1133}
1134#endif
9ac8a797 1135
4c6107ff
JA
1136static void fio_options_fill_optstring(void)
1137{
1138 char *ostr = cmd_optstr;
1139 int i, c;
1140
1141 c = i = 0;
1142 while (l_opts[i].name) {
1143 ostr[c++] = l_opts[i].val;
1144 if (l_opts[i].has_arg == required_argument)
1145 ostr[c++] = ':';
1146 else if (l_opts[i].has_arg == optional_argument) {
1147 ostr[c++] = ':';
1148 ostr[c++] = ':';
1149 }
1150 i++;
1151 }
1152 ostr[c] = '\0';
1153}
1154
972cfd25 1155static int parse_cmd_line(int argc, char *argv[])
ebac4655 1156{
b4692828 1157 struct thread_data *td = NULL;
c09823ab 1158 int c, ini_idx = 0, lidx, ret = 0, do_exit = 0, exit_val = 0;
4c6107ff 1159 char *ostr = cmd_optstr;
ebac4655 1160
4c6107ff 1161 while ((c = getopt_long_only(argc, argv, ostr, l_opts, &lidx)) != -1) {
ebac4655 1162 switch (c) {
2b386d25
JA
1163 case 'a':
1164 smalloc_pool_size = atoi(optarg);
1165 break;
b4692828 1166 case 't':
ab2cabdb 1167 def_thread.o.timeout = atoi(optarg);
b4692828
JA
1168 break;
1169 case 'l':
1170 write_lat_log = 1;
1171 break;
3d73e5a9 1172 case 'b':
b4692828
JA
1173 write_bw_log = 1;
1174 break;
1175 case 'o':
1176 f_out = fopen(optarg, "w+");
1177 if (!f_out) {
1178 perror("fopen output");
1179 exit(1);
1180 }
1181 f_err = f_out;
1182 break;
1183 case 'm':
1184 terse_output = 1;
1185 break;
1186 case 'h':
45378b35 1187 usage(argv[0]);
b4692828 1188 exit(0);
fd28ca49 1189 case 'c':
214e1eca 1190 exit(fio_show_option_help(optarg));
cca73aa7
JA
1191 case 's':
1192 dump_cmdline = 1;
1193 break;
724e4435
JA
1194 case 'r':
1195 read_only = 1;
1196 break;
b4692828 1197 case 'v':
ca740f4e 1198 log_info("%s\n", fio_version_string);
b4692828 1199 exit(0);
e592a06b
AC
1200 case 'e':
1201 if (!strcmp("always", optarg))
1202 eta_print = FIO_ETA_ALWAYS;
1203 else if (!strcmp("never", optarg))
1204 eta_print = FIO_ETA_NEVER;
1205 break;
ee56ad50 1206 case 'd':
c09823ab
JA
1207 if (set_debug(optarg))
1208 do_exit++;
ee56ad50 1209 break;
ad0a2735
JA
1210 case 'x': {
1211 size_t new_size;
1212
01f06b63 1213 if (!strcmp(optarg, "global")) {
5ec10eaa
JA
1214 log_err("fio: can't use global as only "
1215 "section\n");
c09823ab
JA
1216 do_exit++;
1217 exit_val = 1;
01f06b63
JA
1218 break;
1219 }
ad0a2735
JA
1220 new_size = (nr_job_sections + 1) * sizeof(char *);
1221 job_sections = realloc(job_sections, new_size);
1222 job_sections[nr_job_sections] = strdup(optarg);
1223 nr_job_sections++;
01f06b63 1224 break;
ad0a2735 1225 }
9ac8a797 1226 case 'p':
07b3232d 1227 exec_profile = strdup(optarg);
9ac8a797 1228 break;
b4692828 1229 case FIO_GETOPT_JOB: {
5ec10eaa 1230 const char *opt = l_opts[lidx].name;
b4692828
JA
1231 char *val = optarg;
1232
c2b1e753 1233 if (!strncmp(opt, "name", 4) && td) {
2dc1bbeb 1234 ret = add_job(td, td->o.name ?: "fio", 0);
66251554 1235 if (ret)
c2b1e753 1236 return 0;
c2b1e753
JA
1237 td = NULL;
1238 }
b4692828 1239 if (!td) {
01f06b63 1240 int is_section = !strncmp(opt, "name", 4);
3106f220
JA
1241 int global = 0;
1242
01f06b63 1243 if (!is_section || !strncmp(val, "global", 6))
3106f220 1244 global = 1;
c2b1e753 1245
01f06b63
JA
1246 if (is_section && skip_this_section(val))
1247 continue;
1248
c2b1e753 1249 td = get_new_job(global, &def_thread);
b4692828
JA
1250 if (!td)
1251 return 0;
1252 }
38d0adb0 1253
214e1eca 1254 ret = fio_cmd_option_parse(td, opt, val);
b4692828
JA
1255 break;
1256 }
a9523c6f
JA
1257 case 'w':
1258 warnings_fatal = 1;
1259 break;
fca70358
JA
1260 case 'j':
1261 max_jobs = atoi(optarg);
1262 if (!max_jobs || max_jobs > REAL_MAX_JOBS) {
1263 log_err("fio: invalid max jobs: %d\n", max_jobs);
1264 do_exit++;
1265 exit_val = 1;
1266 }
1267 break;
b4692828 1268 default:
c09823ab
JA
1269 do_exit++;
1270 exit_val = 1;
b4692828 1271 break;
ebac4655
JA
1272 }
1273 }
c9fad893 1274
c09823ab
JA
1275 if (do_exit)
1276 exit(exit_val);
536582bf 1277
b4692828 1278 if (td) {
7d6a8904 1279 if (!ret)
2dc1bbeb 1280 ret = add_job(td, td->o.name ?: "fio", 0);
972cfd25 1281 }
774a6177 1282
b4692828
JA
1283 while (optind < argc) {
1284 ini_idx++;
1285 ini_file = realloc(ini_file, ini_idx * sizeof(char *));
1286 ini_file[ini_idx - 1] = strdup(argv[optind]);
1287 optind++;
eb8bbf48 1288 }
972cfd25
JA
1289
1290 return ini_idx;
ebac4655
JA
1291}
1292
ebac4655
JA
1293int parse_options(int argc, char *argv[])
1294{
972cfd25
JA
1295 int job_files, i;
1296
b4692828
JA
1297 f_out = stdout;
1298 f_err = stderr;
1299
4c6107ff 1300 fio_options_fill_optstring();
5ec10eaa 1301 fio_options_dup_and_init(l_opts);
b4692828 1302
ebac4655
JA
1303 if (setup_thread_area())
1304 return 1;
1305 if (fill_def_thread())
1306 return 1;
1307
972cfd25 1308 job_files = parse_cmd_line(argc, argv);
ebac4655 1309
972cfd25
JA
1310 for (i = 0; i < job_files; i++) {
1311 if (fill_def_thread())
1312 return 1;
0c7e37a0 1313 if (parse_jobs_ini(ini_file[i], i))
972cfd25 1314 return 1;
88c6ed80 1315 free(ini_file[i]);
972cfd25 1316 }
ebac4655 1317
88c6ed80 1318 free(ini_file);
d23bb327 1319 options_mem_free(&def_thread);
b4692828
JA
1320
1321 if (!thread_number) {
cca73aa7
JA
1322 if (dump_cmdline)
1323 return 0;
07b3232d
JA
1324 if (exec_profile)
1325 return 0;
cca73aa7 1326
03e20d68 1327 log_err("No jobs(s) defined\n\n");
45378b35 1328 usage(argv[0]);
b4692828
JA
1329 return 1;
1330 }
1331
be4ecfdf
JA
1332 if (def_thread.o.gtod_offload) {
1333 fio_gtod_init();
1334 fio_gtod_offload = 1;
1335 fio_gtod_cpu = def_thread.o.gtod_cpu;
1336 }
1337
ca740f4e 1338 log_info("%s\n", fio_version_string);
ebac4655
JA
1339 return 0;
1340}