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client: get rid of (now) unused client->nr_stat
[fio.git] / init.c
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1/*
2 * This file contains job initialization and setup functions.
3 */
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/types.h>
13#include <sys/stat.h>
14
15#include "fio.h"
16#ifndef FIO_NO_HAVE_SHM_H
17#include <sys/shm.h>
18#endif
19
20#include "parse.h"
21#include "smalloc.h"
22#include "filehash.h"
23#include "verify.h"
24#include "profile.h"
25#include "server.h"
26#include "idletime.h"
27#include "filelock.h"
28
29#include "lib/getopt.h"
30#include "lib/strcasestr.h"
31
32#include "crc/test.h"
33
34const char fio_version_string[] = FIO_VERSION;
35
36#define FIO_RANDSEED (0xb1899bedUL)
37
38static char **ini_file;
39static int max_jobs = FIO_MAX_JOBS;
40static int dump_cmdline;
41static long long def_timeout;
42static int parse_only;
43
44static struct thread_data def_thread;
45struct thread_data *threads = NULL;
46static char **job_sections;
47static int nr_job_sections;
48
49int exitall_on_terminate = 0;
50int output_format = FIO_OUTPUT_NORMAL;
51int append_terse_output = 0;
52int eta_print = FIO_ETA_AUTO;
53int eta_new_line = 0;
54FILE *f_out = NULL;
55FILE *f_err = NULL;
56char *exec_profile = NULL;
57int warnings_fatal = 0;
58int terse_version = 3;
59int is_backend = 0;
60int nr_clients = 0;
61int log_syslog = 0;
62
63int write_bw_log = 0;
64int read_only = 0;
65int status_interval = 0;
66
67static int prev_group_jobs;
68
69unsigned long fio_debug = 0;
70unsigned int fio_debug_jobno = -1;
71unsigned int *fio_debug_jobp = NULL;
72
73static char cmd_optstr[256];
74static int did_arg;
75
76#define FIO_CLIENT_FLAG (1 << 16)
77
78/*
79 * Command line options. These will contain the above, plus a few
80 * extra that only pertain to fio itself and not jobs.
81 */
82static struct option l_opts[FIO_NR_OPTIONS] = {
83 {
84 .name = (char *) "output",
85 .has_arg = required_argument,
86 .val = 'o' | FIO_CLIENT_FLAG,
87 },
88 {
89 .name = (char *) "timeout",
90 .has_arg = required_argument,
91 .val = 't' | FIO_CLIENT_FLAG,
92 },
93 {
94 .name = (char *) "latency-log",
95 .has_arg = required_argument,
96 .val = 'l' | FIO_CLIENT_FLAG,
97 },
98 {
99 .name = (char *) "bandwidth-log",
100 .has_arg = required_argument,
101 .val = 'b' | FIO_CLIENT_FLAG,
102 },
103 {
104 .name = (char *) "minimal",
105 .has_arg = no_argument,
106 .val = 'm' | FIO_CLIENT_FLAG,
107 },
108 {
109 .name = (char *) "output-format",
110 .has_arg = optional_argument,
111 .val = 'F' | FIO_CLIENT_FLAG,
112 },
113 {
114 .name = (char *) "append-terse",
115 .has_arg = optional_argument,
116 .val = 'f',
117 },
118 {
119 .name = (char *) "version",
120 .has_arg = no_argument,
121 .val = 'v' | FIO_CLIENT_FLAG,
122 },
123 {
124 .name = (char *) "help",
125 .has_arg = no_argument,
126 .val = 'h' | FIO_CLIENT_FLAG,
127 },
128 {
129 .name = (char *) "cmdhelp",
130 .has_arg = optional_argument,
131 .val = 'c' | FIO_CLIENT_FLAG,
132 },
133 {
134 .name = (char *) "enghelp",
135 .has_arg = optional_argument,
136 .val = 'i' | FIO_CLIENT_FLAG,
137 },
138 {
139 .name = (char *) "showcmd",
140 .has_arg = no_argument,
141 .val = 's' | FIO_CLIENT_FLAG,
142 },
143 {
144 .name = (char *) "readonly",
145 .has_arg = no_argument,
146 .val = 'r' | FIO_CLIENT_FLAG,
147 },
148 {
149 .name = (char *) "eta",
150 .has_arg = required_argument,
151 .val = 'e' | FIO_CLIENT_FLAG,
152 },
153 {
154 .name = (char *) "eta-newline",
155 .has_arg = required_argument,
156 .val = 'E' | FIO_CLIENT_FLAG,
157 },
158 {
159 .name = (char *) "debug",
160 .has_arg = required_argument,
161 .val = 'd' | FIO_CLIENT_FLAG,
162 },
163 {
164 .name = (char *) "parse-only",
165 .has_arg = no_argument,
166 .val = 'P' | FIO_CLIENT_FLAG,
167 },
168 {
169 .name = (char *) "section",
170 .has_arg = required_argument,
171 .val = 'x' | FIO_CLIENT_FLAG,
172 },
173#ifdef CONFIG_ZLIB
174 {
175 .name = (char *) "inflate-log",
176 .has_arg = required_argument,
177 .val = 'X' | FIO_CLIENT_FLAG,
178 },
179#endif
180 {
181 .name = (char *) "alloc-size",
182 .has_arg = required_argument,
183 .val = 'a' | FIO_CLIENT_FLAG,
184 },
185 {
186 .name = (char *) "profile",
187 .has_arg = required_argument,
188 .val = 'p' | FIO_CLIENT_FLAG,
189 },
190 {
191 .name = (char *) "warnings-fatal",
192 .has_arg = no_argument,
193 .val = 'w' | FIO_CLIENT_FLAG,
194 },
195 {
196 .name = (char *) "max-jobs",
197 .has_arg = required_argument,
198 .val = 'j' | FIO_CLIENT_FLAG,
199 },
200 {
201 .name = (char *) "terse-version",
202 .has_arg = required_argument,
203 .val = 'V' | FIO_CLIENT_FLAG,
204 },
205 {
206 .name = (char *) "server",
207 .has_arg = optional_argument,
208 .val = 'S',
209 },
210 { .name = (char *) "daemonize",
211 .has_arg = required_argument,
212 .val = 'D',
213 },
214 {
215 .name = (char *) "client",
216 .has_arg = required_argument,
217 .val = 'C',
218 },
219 {
220 .name = (char *) "remote-config",
221 .has_arg = required_argument,
222 .val = 'R',
223 },
224 {
225 .name = (char *) "cpuclock-test",
226 .has_arg = no_argument,
227 .val = 'T',
228 },
229 {
230 .name = (char *) "crctest",
231 .has_arg = optional_argument,
232 .val = 'G',
233 },
234 {
235 .name = (char *) "idle-prof",
236 .has_arg = required_argument,
237 .val = 'I',
238 },
239 {
240 .name = (char *) "status-interval",
241 .has_arg = required_argument,
242 .val = 'L',
243 },
244 {
245 .name = NULL,
246 },
247};
248
249void free_threads_shm(void)
250{
251 if (threads) {
252 void *tp = threads;
253#ifndef CONFIG_NO_SHM
254 struct shmid_ds sbuf;
255
256 threads = NULL;
257 shmdt(tp);
258 shmctl(shm_id, IPC_RMID, &sbuf);
259 shm_id = -1;
260#else
261 threads = NULL;
262 free(tp);
263#endif
264 }
265}
266
267static void free_shm(void)
268{
269 if (threads) {
270 file_hash_exit();
271 flow_exit();
272 fio_debug_jobp = NULL;
273 free_threads_shm();
274 }
275
276 options_free(fio_options, &def_thread);
277 fio_filelock_exit();
278 scleanup();
279}
280
281/*
282 * The thread area is shared between the main process and the job
283 * threads/processes. So setup a shared memory segment that will hold
284 * all the job info. We use the end of the region for keeping track of
285 * open files across jobs, for file sharing.
286 */
287static int setup_thread_area(void)
288{
289 void *hash;
290
291 if (threads)
292 return 0;
293
294 /*
295 * 1024 is too much on some machines, scale max_jobs if
296 * we get a failure that looks like too large a shm segment
297 */
298 do {
299 size_t size = max_jobs * sizeof(struct thread_data);
300
301 size += file_hash_size;
302 size += sizeof(unsigned int);
303
304#ifndef CONFIG_NO_SHM
305 shm_id = shmget(0, size, IPC_CREAT | 0600);
306 if (shm_id != -1)
307 break;
308 if (errno != EINVAL && errno != ENOMEM && errno != ENOSPC) {
309 perror("shmget");
310 break;
311 }
312#else
313 threads = malloc(size);
314 if (threads)
315 break;
316#endif
317
318 max_jobs >>= 1;
319 } while (max_jobs);
320
321#ifndef CONFIG_NO_SHM
322 if (shm_id == -1)
323 return 1;
324
325 threads = shmat(shm_id, NULL, 0);
326 if (threads == (void *) -1) {
327 perror("shmat");
328 return 1;
329 }
330#endif
331
332 memset(threads, 0, max_jobs * sizeof(struct thread_data));
333 hash = (void *) threads + max_jobs * sizeof(struct thread_data);
334 fio_debug_jobp = (void *) hash + file_hash_size;
335 *fio_debug_jobp = -1;
336 file_hash_init(hash);
337
338 flow_init();
339
340 return 0;
341}
342
343static void set_cmd_options(struct thread_data *td)
344{
345 struct thread_options *o = &td->o;
346
347 if (!o->timeout)
348 o->timeout = def_timeout;
349}
350
351/*
352 * Return a free job structure.
353 */
354static struct thread_data *get_new_job(int global, struct thread_data *parent,
355 int preserve_eo, const char *jobname)
356{
357 struct thread_data *td;
358
359 if (global) {
360 set_cmd_options(&def_thread);
361 return &def_thread;
362 }
363 if (setup_thread_area()) {
364 log_err("error: failed to setup shm segment\n");
365 return NULL;
366 }
367 if (thread_number >= max_jobs) {
368 log_err("error: maximum number of jobs (%d) reached.\n",
369 max_jobs);
370 return NULL;
371 }
372
373 td = &threads[thread_number++];
374 *td = *parent;
375
376 td->io_ops = NULL;
377 if (!preserve_eo)
378 td->eo = NULL;
379
380 td->o.uid = td->o.gid = -1U;
381
382 dup_files(td, parent);
383 fio_options_mem_dupe(td);
384
385 profile_add_hooks(td);
386
387 td->thread_number = thread_number;
388 td->subjob_number = 0;
389
390 if (jobname)
391 td->o.name = strdup(jobname);
392
393 if (!parent->o.group_reporting)
394 stat_number++;
395
396 set_cmd_options(td);
397 return td;
398}
399
400static void put_job(struct thread_data *td)
401{
402 if (td == &def_thread)
403 return;
404
405 profile_td_exit(td);
406 flow_exit_job(td);
407
408 if (td->error)
409 log_info("fio: %s\n", td->verror);
410
411 fio_options_free(td);
412 if (td->io_ops)
413 free_ioengine(td);
414
415 if (td->o.name)
416 free(td->o.name);
417
418 memset(&threads[td->thread_number - 1], 0, sizeof(*td));
419 thread_number--;
420}
421
422static int __setup_rate(struct thread_data *td, enum fio_ddir ddir)
423{
424 unsigned int bs = td->o.min_bs[ddir];
425
426 assert(ddir_rw(ddir));
427
428 if (td->o.rate[ddir])
429 td->rate_bps[ddir] = td->o.rate[ddir];
430 else
431 td->rate_bps[ddir] = td->o.rate_iops[ddir] * bs;
432
433 if (!td->rate_bps[ddir]) {
434 log_err("rate lower than supported\n");
435 return -1;
436 }
437
438 td->rate_pending_usleep[ddir] = 0;
439 return 0;
440}
441
442static int setup_rate(struct thread_data *td)
443{
444 int ret = 0;
445
446 if (td->o.rate[DDIR_READ] || td->o.rate_iops[DDIR_READ])
447 ret = __setup_rate(td, DDIR_READ);
448 if (td->o.rate[DDIR_WRITE] || td->o.rate_iops[DDIR_WRITE])
449 ret |= __setup_rate(td, DDIR_WRITE);
450 if (td->o.rate[DDIR_TRIM] || td->o.rate_iops[DDIR_TRIM])
451 ret |= __setup_rate(td, DDIR_TRIM);
452
453 return ret;
454}
455
456static int fixed_block_size(struct thread_options *o)
457{
458 return o->min_bs[DDIR_READ] == o->max_bs[DDIR_READ] &&
459 o->min_bs[DDIR_WRITE] == o->max_bs[DDIR_WRITE] &&
460 o->min_bs[DDIR_TRIM] == o->max_bs[DDIR_TRIM] &&
461 o->min_bs[DDIR_READ] == o->min_bs[DDIR_WRITE] &&
462 o->min_bs[DDIR_READ] == o->min_bs[DDIR_TRIM];
463}
464
465
466static unsigned long long get_rand_start_delay(struct thread_data *td)
467{
468 unsigned long long delayrange;
469 unsigned long r;
470
471 delayrange = td->o.start_delay_high - td->o.start_delay;
472
473 if (td->o.use_os_rand) {
474 r = os_random_long(&td->delay_state);
475 delayrange = (unsigned long long) ((double) delayrange * (r / (OS_RAND_MAX + 1.0)));
476 } else {
477 r = __rand(&td->__delay_state);
478 delayrange = (unsigned long long) ((double) delayrange * (r / (FRAND_MAX + 1.0)));
479 }
480
481 delayrange += td->o.start_delay;
482 return delayrange;
483}
484
485/*
486 * Lazy way of fixing up options that depend on each other. We could also
487 * define option callback handlers, but this is easier.
488 */
489static int fixup_options(struct thread_data *td)
490{
491 struct thread_options *o = &td->o;
492 int ret = 0;
493
494#ifndef FIO_HAVE_PSHARED_MUTEX
495 if (!o->use_thread) {
496 log_info("fio: this platform does not support process shared"
497 " mutexes, forcing use of threads. Use the 'thread'"
498 " option to get rid of this warning.\n");
499 o->use_thread = 1;
500 ret = warnings_fatal;
501 }
502#endif
503
504 if (o->write_iolog_file && o->read_iolog_file) {
505 log_err("fio: read iolog overrides write_iolog\n");
506 free(o->write_iolog_file);
507 o->write_iolog_file = NULL;
508 ret = warnings_fatal;
509 }
510
511 /*
512 * only really works with 1 file
513 */
514 if (o->zone_size && o->open_files > 1)
515 o->zone_size = 0;
516
517 /*
518 * If zone_range isn't specified, backward compatibility dictates it
519 * should be made equal to zone_size.
520 */
521 if (o->zone_size && !o->zone_range)
522 o->zone_range = o->zone_size;
523
524 /*
525 * Reads can do overwrites, we always need to pre-create the file
526 */
527 if (td_read(td) || td_rw(td))
528 o->overwrite = 1;
529
530 if (!o->min_bs[DDIR_READ])
531 o->min_bs[DDIR_READ] = o->bs[DDIR_READ];
532 if (!o->max_bs[DDIR_READ])
533 o->max_bs[DDIR_READ] = o->bs[DDIR_READ];
534 if (!o->min_bs[DDIR_WRITE])
535 o->min_bs[DDIR_WRITE] = o->bs[DDIR_WRITE];
536 if (!o->max_bs[DDIR_WRITE])
537 o->max_bs[DDIR_WRITE] = o->bs[DDIR_WRITE];
538 if (!o->min_bs[DDIR_TRIM])
539 o->min_bs[DDIR_TRIM] = o->bs[DDIR_TRIM];
540 if (!o->max_bs[DDIR_TRIM])
541 o->max_bs[DDIR_TRIM] = o->bs[DDIR_TRIM];
542
543
544 o->rw_min_bs = min(o->min_bs[DDIR_READ], o->min_bs[DDIR_WRITE]);
545 o->rw_min_bs = min(o->min_bs[DDIR_TRIM], o->rw_min_bs);
546
547 /*
548 * For random IO, allow blockalign offset other than min_bs.
549 */
550 if (!o->ba[DDIR_READ] || !td_random(td))
551 o->ba[DDIR_READ] = o->min_bs[DDIR_READ];
552 if (!o->ba[DDIR_WRITE] || !td_random(td))
553 o->ba[DDIR_WRITE] = o->min_bs[DDIR_WRITE];
554 if (!o->ba[DDIR_TRIM] || !td_random(td))
555 o->ba[DDIR_TRIM] = o->min_bs[DDIR_TRIM];
556
557 if ((o->ba[DDIR_READ] != o->min_bs[DDIR_READ] ||
558 o->ba[DDIR_WRITE] != o->min_bs[DDIR_WRITE] ||
559 o->ba[DDIR_TRIM] != o->min_bs[DDIR_TRIM]) &&
560 !o->norandommap) {
561 log_err("fio: Any use of blockalign= turns off randommap\n");
562 o->norandommap = 1;
563 ret = warnings_fatal;
564 }
565
566 if (!o->file_size_high)
567 o->file_size_high = o->file_size_low;
568
569 if (o->start_delay_high)
570 o->start_delay = get_rand_start_delay(td);
571
572 if (o->norandommap && o->verify != VERIFY_NONE
573 && !fixed_block_size(o)) {
574 log_err("fio: norandommap given for variable block sizes, "
575 "verify disabled\n");
576 o->verify = VERIFY_NONE;
577 ret = warnings_fatal;
578 }
579 if (o->bs_unaligned && (o->odirect || td->io_ops->flags & FIO_RAWIO))
580 log_err("fio: bs_unaligned may not work with raw io\n");
581
582 /*
583 * thinktime_spin must be less than thinktime
584 */
585 if (o->thinktime_spin > o->thinktime)
586 o->thinktime_spin = o->thinktime;
587
588 /*
589 * The low water mark cannot be bigger than the iodepth
590 */
591 if (o->iodepth_low > o->iodepth || !o->iodepth_low)
592 o->iodepth_low = o->iodepth;
593
594 /*
595 * If batch number isn't set, default to the same as iodepth
596 */
597 if (o->iodepth_batch > o->iodepth || !o->iodepth_batch)
598 o->iodepth_batch = o->iodepth;
599
600 if (o->nr_files > td->files_index)
601 o->nr_files = td->files_index;
602
603 if (o->open_files > o->nr_files || !o->open_files)
604 o->open_files = o->nr_files;
605
606 if (((o->rate[DDIR_READ] + o->rate[DDIR_WRITE] + o->rate[DDIR_TRIM]) &&
607 (o->rate_iops[DDIR_READ] + o->rate_iops[DDIR_WRITE] + o->rate_iops[DDIR_TRIM])) ||
608 ((o->ratemin[DDIR_READ] + o->ratemin[DDIR_WRITE] + o->ratemin[DDIR_TRIM]) &&
609 (o->rate_iops_min[DDIR_READ] + o->rate_iops_min[DDIR_WRITE] + o->rate_iops_min[DDIR_TRIM]))) {
610 log_err("fio: rate and rate_iops are mutually exclusive\n");
611 ret = 1;
612 }
613 if ((o->rate[DDIR_READ] < o->ratemin[DDIR_READ]) ||
614 (o->rate[DDIR_WRITE] < o->ratemin[DDIR_WRITE]) ||
615 (o->rate[DDIR_TRIM] < o->ratemin[DDIR_TRIM]) ||
616 (o->rate_iops[DDIR_READ] < o->rate_iops_min[DDIR_READ]) ||
617 (o->rate_iops[DDIR_WRITE] < o->rate_iops_min[DDIR_WRITE]) ||
618 (o->rate_iops[DDIR_TRIM] < o->rate_iops_min[DDIR_TRIM])) {
619 log_err("fio: minimum rate exceeds rate\n");
620 ret = 1;
621 }
622
623 if (!o->timeout && o->time_based) {
624 log_err("fio: time_based requires a runtime/timeout setting\n");
625 o->time_based = 0;
626 ret = warnings_fatal;
627 }
628
629 if (o->fill_device && !o->size)
630 o->size = -1ULL;
631
632 if (o->verify != VERIFY_NONE) {
633 if (td_write(td) && o->do_verify && o->numjobs > 1) {
634 log_info("Multiple writers may overwrite blocks that "
635 "belong to other jobs. This can cause "
636 "verification failures.\n");
637 ret = warnings_fatal;
638 }
639
640 o->refill_buffers = 1;
641 if (o->max_bs[DDIR_WRITE] != o->min_bs[DDIR_WRITE] &&
642 !o->verify_interval)
643 o->verify_interval = o->min_bs[DDIR_WRITE];
644
645 /*
646 * Verify interval must be smaller or equal to the
647 * write size.
648 */
649 if (o->verify_interval > o->min_bs[DDIR_WRITE])
650 o->verify_interval = o->min_bs[DDIR_WRITE];
651 else if (td_read(td) && o->verify_interval > o->min_bs[DDIR_READ])
652 o->verify_interval = o->min_bs[DDIR_READ];
653 }
654
655 if (o->pre_read) {
656 o->invalidate_cache = 0;
657 if (td->io_ops->flags & FIO_PIPEIO) {
658 log_info("fio: cannot pre-read files with an IO engine"
659 " that isn't seekable. Pre-read disabled.\n");
660 ret = warnings_fatal;
661 }
662 }
663
664 if (!o->unit_base) {
665 if (td->io_ops->flags & FIO_BIT_BASED)
666 o->unit_base = 1;
667 else
668 o->unit_base = 8;
669 }
670
671#ifndef CONFIG_FDATASYNC
672 if (o->fdatasync_blocks) {
673 log_info("fio: this platform does not support fdatasync()"
674 " falling back to using fsync(). Use the 'fsync'"
675 " option instead of 'fdatasync' to get rid of"
676 " this warning\n");
677 o->fsync_blocks = o->fdatasync_blocks;
678 o->fdatasync_blocks = 0;
679 ret = warnings_fatal;
680 }
681#endif
682
683#ifdef WIN32
684 /*
685 * Windows doesn't support O_DIRECT or O_SYNC with the _open interface,
686 * so fail if we're passed those flags
687 */
688 if ((td->io_ops->flags & FIO_SYNCIO) && (td->o.odirect || td->o.sync_io)) {
689 log_err("fio: Windows does not support direct or non-buffered io with"
690 " the synchronous ioengines. Use the 'windowsaio' ioengine"
691 " with 'direct=1' and 'iodepth=1' instead.\n");
692 ret = 1;
693 }
694#endif
695
696 /*
697 * For fully compressible data, just zero them at init time.
698 * It's faster than repeatedly filling it.
699 */
700 if (td->o.compress_percentage == 100) {
701 td->o.zero_buffers = 1;
702 td->o.compress_percentage = 0;
703 }
704
705 /*
706 * Using a non-uniform random distribution excludes usage of
707 * a random map
708 */
709 if (td->o.random_distribution != FIO_RAND_DIST_RANDOM)
710 td->o.norandommap = 1;
711
712 /*
713 * If size is set but less than the min block size, complain
714 */
715 if (o->size && o->size < td_min_bs(td)) {
716 log_err("fio: size too small, must be larger than the IO size: %llu\n", (unsigned long long) o->size);
717 ret = 1;
718 }
719
720 /*
721 * O_ATOMIC implies O_DIRECT
722 */
723 if (td->o.oatomic)
724 td->o.odirect = 1;
725
726 /*
727 * If randseed is set, that overrides randrepeat
728 */
729 if (td->o.rand_seed)
730 td->o.rand_repeatable = 0;
731
732 if ((td->io_ops->flags & FIO_NOEXTEND) && td->o.file_append) {
733 log_err("fio: can't append/extent with IO engine %s\n", td->io_ops->name);
734 ret = 1;
735 }
736
737 return ret;
738}
739
740/*
741 * This function leaks the buffer
742 */
743char *fio_uint_to_kmg(unsigned int val)
744{
745 char *buf = malloc(32);
746 char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 };
747 char *p = post;
748
749 do {
750 if (val & 1023)
751 break;
752
753 val >>= 10;
754 p++;
755 } while (*p);
756
757 snprintf(buf, 32, "%u%c", val, *p);
758 return buf;
759}
760
761/* External engines are specified by "external:name.o") */
762static const char *get_engine_name(const char *str)
763{
764 char *p = strstr(str, ":");
765
766 if (!p)
767 return str;
768
769 p++;
770 strip_blank_front(&p);
771 strip_blank_end(p);
772 return p;
773}
774
775static int exists_and_not_file(const char *filename)
776{
777 struct stat sb;
778
779 if (lstat(filename, &sb) == -1)
780 return 0;
781
782 /* \\.\ is the device namespace in Windows, where every file
783 * is a device node */
784 if (S_ISREG(sb.st_mode) && strncmp(filename, "\\\\.\\", 4) != 0)
785 return 0;
786
787 return 1;
788}
789
790static void td_fill_rand_seeds_os(struct thread_data *td)
791{
792 os_random_seed(td->rand_seeds[FIO_RAND_BS_OFF], &td->bsrange_state);
793 os_random_seed(td->rand_seeds[FIO_RAND_VER_OFF], &td->verify_state);
794 os_random_seed(td->rand_seeds[FIO_RAND_MIX_OFF], &td->rwmix_state);
795
796 if (td->o.file_service_type == FIO_FSERVICE_RANDOM)
797 os_random_seed(td->rand_seeds[FIO_RAND_FILE_OFF], &td->next_file_state);
798
799 os_random_seed(td->rand_seeds[FIO_RAND_FILE_SIZE_OFF], &td->file_size_state);
800 os_random_seed(td->rand_seeds[FIO_RAND_TRIM_OFF], &td->trim_state);
801 os_random_seed(td->rand_seeds[FIO_RAND_START_DELAY], &td->delay_state);
802
803 if (!td_random(td))
804 return;
805
806 if (td->o.rand_repeatable)
807 td->rand_seeds[FIO_RAND_BLOCK_OFF] = FIO_RANDSEED * td->thread_number;
808
809 os_random_seed(td->rand_seeds[FIO_RAND_BLOCK_OFF], &td->random_state);
810
811 os_random_seed(td->rand_seeds[FIO_RAND_SEQ_RAND_READ_OFF], &td->seq_rand_state[DDIR_READ]);
812 os_random_seed(td->rand_seeds[FIO_RAND_SEQ_RAND_WRITE_OFF], &td->seq_rand_state[DDIR_WRITE]);
813 os_random_seed(td->rand_seeds[FIO_RAND_SEQ_RAND_TRIM_OFF], &td->seq_rand_state[DDIR_TRIM]);
814}
815
816static void td_fill_rand_seeds_internal(struct thread_data *td)
817{
818 init_rand_seed(&td->__bsrange_state, td->rand_seeds[FIO_RAND_BS_OFF]);
819 init_rand_seed(&td->__verify_state, td->rand_seeds[FIO_RAND_VER_OFF]);
820 init_rand_seed(&td->__rwmix_state, td->rand_seeds[FIO_RAND_MIX_OFF]);
821
822 if (td->o.file_service_type == FIO_FSERVICE_RANDOM)
823 init_rand_seed(&td->__next_file_state, td->rand_seeds[FIO_RAND_FILE_OFF]);
824
825 init_rand_seed(&td->__file_size_state, td->rand_seeds[FIO_RAND_FILE_SIZE_OFF]);
826 init_rand_seed(&td->__trim_state, td->rand_seeds[FIO_RAND_TRIM_OFF]);
827 init_rand_seed(&td->__delay_state, td->rand_seeds[FIO_RAND_START_DELAY]);
828
829 if (!td_random(td))
830 return;
831
832 if (td->o.rand_repeatable)
833 td->rand_seeds[FIO_RAND_BLOCK_OFF] = FIO_RANDSEED * td->thread_number;
834
835 init_rand_seed(&td->__random_state, td->rand_seeds[FIO_RAND_BLOCK_OFF]);
836 init_rand_seed(&td->__seq_rand_state[DDIR_READ], td->rand_seeds[FIO_RAND_SEQ_RAND_READ_OFF]);
837 init_rand_seed(&td->__seq_rand_state[DDIR_WRITE], td->rand_seeds[FIO_RAND_SEQ_RAND_WRITE_OFF]);
838 init_rand_seed(&td->__seq_rand_state[DDIR_TRIM], td->rand_seeds[FIO_RAND_SEQ_RAND_TRIM_OFF]);
839}
840
841void td_fill_rand_seeds(struct thread_data *td)
842{
843 if (td->o.allrand_repeatable) {
844 unsigned int i;
845
846 for (i = 0; i < FIO_RAND_NR_OFFS; i++)
847 td->rand_seeds[i] = FIO_RANDSEED * td->thread_number
848 + i;
849 }
850
851 if (td->o.use_os_rand)
852 td_fill_rand_seeds_os(td);
853 else
854 td_fill_rand_seeds_internal(td);
855
856 init_rand_seed(&td->buf_state, td->rand_seeds[FIO_RAND_BUF_OFF]);
857 frand_copy(&td->buf_state_prev, &td->buf_state);
858
859 init_rand_seed(&td->dedupe_state, td->rand_seeds[FIO_DEDUPE_OFF]);
860}
861
862/*
863 * Initializes the ioengine configured for a job, if it has not been done so
864 * already.
865 */
866int ioengine_load(struct thread_data *td)
867{
868 const char *engine;
869
870 /*
871 * Engine has already been loaded.
872 */
873 if (td->io_ops)
874 return 0;
875 if (!td->o.ioengine) {
876 log_err("fio: internal fault, no IO engine specified\n");
877 return 1;
878 }
879
880 engine = get_engine_name(td->o.ioengine);
881 td->io_ops = load_ioengine(td, engine);
882 if (!td->io_ops) {
883 log_err("fio: failed to load engine %s\n", engine);
884 return 1;
885 }
886
887 if (td->io_ops->option_struct_size && td->io_ops->options) {
888 /*
889 * In cases where td->eo is set, clone it for a child thread.
890 * This requires that the parent thread has the same ioengine,
891 * but that requirement must be enforced by the code which
892 * cloned the thread.
893 */
894 void *origeo = td->eo;
895 /*
896 * Otherwise use the default thread options.
897 */
898 if (!origeo && td != &def_thread && def_thread.eo &&
899 def_thread.io_ops->options == td->io_ops->options)
900 origeo = def_thread.eo;
901
902 options_init(td->io_ops->options);
903 td->eo = malloc(td->io_ops->option_struct_size);
904 /*
905 * Use the default thread as an option template if this uses the
906 * same options structure and there are non-default options
907 * used.
908 */
909 if (origeo) {
910 memcpy(td->eo, origeo, td->io_ops->option_struct_size);
911 options_mem_dupe(td->eo, td->io_ops->options);
912 } else {
913 memset(td->eo, 0, td->io_ops->option_struct_size);
914 fill_default_options(td->eo, td->io_ops->options);
915 }
916 *(struct thread_data **)td->eo = td;
917 }
918
919 return 0;
920}
921
922static void init_flags(struct thread_data *td)
923{
924 struct thread_options *o = &td->o;
925
926 if (o->verify_backlog)
927 td->flags |= TD_F_VER_BACKLOG;
928 if (o->trim_backlog)
929 td->flags |= TD_F_TRIM_BACKLOG;
930 if (o->read_iolog_file)
931 td->flags |= TD_F_READ_IOLOG;
932 if (o->refill_buffers)
933 td->flags |= TD_F_REFILL_BUFFERS;
934 if (o->scramble_buffers)
935 td->flags |= TD_F_SCRAMBLE_BUFFERS;
936 if (o->verify != VERIFY_NONE)
937 td->flags |= TD_F_VER_NONE;
938}
939
940static int setup_random_seeds(struct thread_data *td)
941{
942 unsigned long seed;
943 unsigned int i;
944
945 if (!td->o.rand_repeatable && !td->o.rand_seed)
946 return init_random_state(td, td->rand_seeds, sizeof(td->rand_seeds));
947
948 if (!td->o.rand_seed)
949 seed = 0x89;
950 else
951 seed = td->o.rand_seed;
952
953 for (i = 0; i < 4; i++)
954 seed *= 0x9e370001UL;
955
956 for (i = 0; i < FIO_RAND_NR_OFFS; i++) {
957 td->rand_seeds[i] = seed;
958 seed *= 0x9e370001UL;
959 }
960
961 td_fill_rand_seeds(td);
962 return 0;
963}
964
965enum {
966 FPRE_NONE = 0,
967 FPRE_JOBNAME,
968 FPRE_JOBNUM,
969 FPRE_FILENUM
970};
971
972static struct fpre_keyword {
973 const char *keyword;
974 size_t strlen;
975 int key;
976} fpre_keywords[] = {
977 { .keyword = "$jobname", .key = FPRE_JOBNAME, },
978 { .keyword = "$jobnum", .key = FPRE_JOBNUM, },
979 { .keyword = "$filenum", .key = FPRE_FILENUM, },
980 { .keyword = NULL, },
981 };
982
983static char *make_filename(char *buf, size_t buf_size,struct thread_options *o,
984 const char *jobname, int jobnum, int filenum)
985{
986 struct fpre_keyword *f;
987 char copy[PATH_MAX];
988 size_t dst_left = PATH_MAX - 1;
989
990 if (!o->filename_format || !strlen(o->filename_format)) {
991 sprintf(buf, "%s.%d.%d", jobname, jobnum, filenum);
992 return NULL;
993 }
994
995 for (f = &fpre_keywords[0]; f->keyword; f++)
996 f->strlen = strlen(f->keyword);
997
998 buf[buf_size - 1] = '\0';
999 strncpy(buf, o->filename_format, buf_size - 1);
1000
1001 memset(copy, 0, sizeof(copy));
1002 for (f = &fpre_keywords[0]; f->keyword; f++) {
1003 do {
1004 size_t pre_len, post_start = 0;
1005 char *str, *dst = copy;
1006
1007 str = strcasestr(buf, f->keyword);
1008 if (!str)
1009 break;
1010
1011 pre_len = str - buf;
1012 if (strlen(str) != f->strlen)
1013 post_start = pre_len + f->strlen;
1014
1015 if (pre_len) {
1016 strncpy(dst, buf, pre_len);
1017 dst += pre_len;
1018 dst_left -= pre_len;
1019 }
1020
1021 switch (f->key) {
1022 case FPRE_JOBNAME: {
1023 int ret;
1024
1025 ret = snprintf(dst, dst_left, "%s", jobname);
1026 if (ret < 0)
1027 break;
1028 dst += ret;
1029 dst_left -= ret;
1030 break;
1031 }
1032 case FPRE_JOBNUM: {
1033 int ret;
1034
1035 ret = snprintf(dst, dst_left, "%d", jobnum);
1036 if (ret < 0)
1037 break;
1038 dst += ret;
1039 dst_left -= ret;
1040 break;
1041 }
1042 case FPRE_FILENUM: {
1043 int ret;
1044
1045 ret = snprintf(dst, dst_left, "%d", filenum);
1046 if (ret < 0)
1047 break;
1048 dst += ret;
1049 dst_left -= ret;
1050 break;
1051 }
1052 default:
1053 assert(0);
1054 break;
1055 }
1056
1057 if (post_start)
1058 strncpy(dst, buf + post_start, dst_left);
1059
1060 strncpy(buf, copy, buf_size - 1);
1061 } while (1);
1062 }
1063
1064 return buf;
1065}
1066
1067int parse_dryrun(void)
1068{
1069 return dump_cmdline || parse_only;
1070}
1071
1072/*
1073 * Adds a job to the list of things todo. Sanitizes the various options
1074 * to make sure we don't have conflicts, and initializes various
1075 * members of td.
1076 */
1077static int add_job(struct thread_data *td, const char *jobname, int job_add_num,
1078 int recursed, int client_type)
1079{
1080 unsigned int i;
1081 char fname[PATH_MAX];
1082 int numjobs, file_alloced;
1083 struct thread_options *o = &td->o;
1084 char logname[PATH_MAX + 32];
1085
1086 /*
1087 * the def_thread is just for options, it's not a real job
1088 */
1089 if (td == &def_thread)
1090 return 0;
1091
1092 init_flags(td);
1093
1094 /*
1095 * if we are just dumping the output command line, don't add the job
1096 */
1097 if (parse_dryrun()) {
1098 put_job(td);
1099 return 0;
1100 }
1101
1102 td->client_type = client_type;
1103
1104 if (profile_td_init(td))
1105 goto err;
1106
1107 if (ioengine_load(td))
1108 goto err;
1109
1110 if (o->odirect)
1111 td->io_ops->flags |= FIO_RAWIO;
1112
1113 file_alloced = 0;
1114 if (!o->filename && !td->files_index && !o->read_iolog_file) {
1115 file_alloced = 1;
1116
1117 if (o->nr_files == 1 && exists_and_not_file(jobname))
1118 add_file(td, jobname, job_add_num, 0);
1119 else {
1120 for (i = 0; i < o->nr_files; i++)
1121 add_file(td, make_filename(fname, sizeof(fname), o, jobname, job_add_num, i), job_add_num, 0);
1122 }
1123 }
1124
1125 if (fixup_options(td))
1126 goto err;
1127
1128 flow_init_job(td);
1129
1130 /*
1131 * IO engines only need this for option callbacks, and the address may
1132 * change in subprocesses.
1133 */
1134 if (td->eo)
1135 *(struct thread_data **)td->eo = NULL;
1136
1137 if (td->io_ops->flags & FIO_DISKLESSIO) {
1138 struct fio_file *f;
1139
1140 for_each_file(td, f, i)
1141 f->real_file_size = -1ULL;
1142 }
1143
1144 td->mutex = fio_mutex_init(FIO_MUTEX_LOCKED);
1145
1146 td->ts.clat_percentiles = o->clat_percentiles;
1147 td->ts.percentile_precision = o->percentile_precision;
1148 memcpy(td->ts.percentile_list, o->percentile_list, sizeof(o->percentile_list));
1149
1150 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
1151 td->ts.clat_stat[i].min_val = ULONG_MAX;
1152 td->ts.slat_stat[i].min_val = ULONG_MAX;
1153 td->ts.lat_stat[i].min_val = ULONG_MAX;
1154 td->ts.bw_stat[i].min_val = ULONG_MAX;
1155 }
1156 td->ddir_seq_nr = o->ddir_seq_nr;
1157
1158 if ((o->stonewall || o->new_group) && prev_group_jobs) {
1159 prev_group_jobs = 0;
1160 groupid++;
1161 }
1162
1163 td->groupid = groupid;
1164 prev_group_jobs++;
1165
1166 if (setup_random_seeds(td)) {
1167 td_verror(td, errno, "init_random_state");
1168 goto err;
1169 }
1170
1171 if (setup_rate(td))
1172 goto err;
1173
1174 if (o->lat_log_file) {
1175 struct log_params p = {
1176 .td = td,
1177 .avg_msec = o->log_avg_msec,
1178 .log_type = IO_LOG_TYPE_LAT,
1179 .log_offset = o->log_offset,
1180 .log_gz = o->log_gz,
1181 .log_gz_store = o->log_gz_store,
1182 };
1183 const char *suf;
1184
1185 if (p.log_gz_store)
1186 suf = "log.fz";
1187 else
1188 suf = "log";
1189
1190 snprintf(logname, sizeof(logname), "%s_lat.%d.%s",
1191 o->lat_log_file, td->thread_number, suf);
1192 setup_log(&td->lat_log, &p, logname);
1193 snprintf(logname, sizeof(logname), "%s_slat.%d.%s",
1194 o->lat_log_file, td->thread_number, suf);
1195 setup_log(&td->slat_log, &p, logname);
1196 snprintf(logname, sizeof(logname), "%s_clat.%d.%s",
1197 o->lat_log_file, td->thread_number, suf);
1198 setup_log(&td->clat_log, &p, logname);
1199 }
1200 if (o->bw_log_file) {
1201 struct log_params p = {
1202 .td = td,
1203 .avg_msec = o->log_avg_msec,
1204 .log_type = IO_LOG_TYPE_BW,
1205 .log_offset = o->log_offset,
1206 .log_gz = o->log_gz,
1207 .log_gz_store = o->log_gz_store,
1208 };
1209 const char *suf;
1210
1211 if (p.log_gz_store)
1212 suf = "log.fz";
1213 else
1214 suf = "log";
1215
1216 snprintf(logname, sizeof(logname), "%s_bw.%d.%s",
1217 o->bw_log_file, td->thread_number, suf);
1218 setup_log(&td->bw_log, &p, logname);
1219 }
1220 if (o->iops_log_file) {
1221 struct log_params p = {
1222 .td = td,
1223 .avg_msec = o->log_avg_msec,
1224 .log_type = IO_LOG_TYPE_IOPS,
1225 .log_offset = o->log_offset,
1226 .log_gz = o->log_gz,
1227 .log_gz_store = o->log_gz_store,
1228 };
1229 const char *suf;
1230
1231 if (p.log_gz_store)
1232 suf = "log.fz";
1233 else
1234 suf = "log";
1235
1236 snprintf(logname, sizeof(logname), "%s_iops.%d.%s",
1237 o->iops_log_file, td->thread_number, suf);
1238 setup_log(&td->iops_log, &p, logname);
1239 }
1240
1241 if (!o->name)
1242 o->name = strdup(jobname);
1243
1244 if (output_format == FIO_OUTPUT_NORMAL) {
1245 if (!job_add_num) {
1246 if (is_backend && !recursed)
1247 fio_server_send_add_job(td);
1248
1249 if (!(td->io_ops->flags & FIO_NOIO)) {
1250 char *c1, *c2, *c3, *c4;
1251 char *c5 = NULL, *c6 = NULL;
1252
1253 c1 = fio_uint_to_kmg(o->min_bs[DDIR_READ]);
1254 c2 = fio_uint_to_kmg(o->max_bs[DDIR_READ]);
1255 c3 = fio_uint_to_kmg(o->min_bs[DDIR_WRITE]);
1256 c4 = fio_uint_to_kmg(o->max_bs[DDIR_WRITE]);
1257
1258 if (!o->bs_is_seq_rand) {
1259 c5 = fio_uint_to_kmg(o->min_bs[DDIR_TRIM]);
1260 c6 = fio_uint_to_kmg(o->max_bs[DDIR_TRIM]);
1261 }
1262
1263 log_info("%s: (g=%d): rw=%s, ", td->o.name,
1264 td->groupid,
1265 ddir_str(o->td_ddir));
1266
1267 if (o->bs_is_seq_rand)
1268 log_info("bs(seq/rand)=%s-%s/%s-%s, ",
1269 c1, c2, c3, c4);
1270 else
1271 log_info("bs=%s-%s/%s-%s/%s-%s, ",
1272 c1, c2, c3, c4, c5, c6);
1273
1274 log_info("ioengine=%s, iodepth=%u\n",
1275 td->io_ops->name, o->iodepth);
1276
1277 free(c1);
1278 free(c2);
1279 free(c3);
1280 free(c4);
1281 free(c5);
1282 free(c6);
1283 }
1284 } else if (job_add_num == 1)
1285 log_info("...\n");
1286 }
1287
1288 /*
1289 * recurse add identical jobs, clear numjobs and stonewall options
1290 * as they don't apply to sub-jobs
1291 */
1292 numjobs = o->numjobs;
1293 while (--numjobs) {
1294 struct thread_data *td_new = get_new_job(0, td, 1, jobname);
1295
1296 if (!td_new)
1297 goto err;
1298
1299 td_new->o.numjobs = 1;
1300 td_new->o.stonewall = 0;
1301 td_new->o.new_group = 0;
1302 td_new->subjob_number = numjobs;
1303
1304 if (file_alloced) {
1305 if (td_new->files) {
1306 struct fio_file *f;
1307 for_each_file(td_new, f, i) {
1308 if (f->file_name)
1309 sfree(f->file_name);
1310 sfree(f);
1311 }
1312 free(td_new->files);
1313 td_new->files = NULL;
1314 }
1315 td_new->files_index = 0;
1316 td_new->files_size = 0;
1317 if (td_new->o.filename) {
1318 free(td_new->o.filename);
1319 td_new->o.filename = NULL;
1320 }
1321 }
1322
1323 if (add_job(td_new, jobname, numjobs, 1, client_type))
1324 goto err;
1325 }
1326
1327 return 0;
1328err:
1329 put_job(td);
1330 return -1;
1331}
1332
1333/*
1334 * Parse as if 'o' was a command line
1335 */
1336void add_job_opts(const char **o, int client_type)
1337{
1338 struct thread_data *td, *td_parent;
1339 int i, in_global = 1;
1340 char jobname[32];
1341
1342 i = 0;
1343 td_parent = td = NULL;
1344 while (o[i]) {
1345 if (!strncmp(o[i], "name", 4)) {
1346 in_global = 0;
1347 if (td)
1348 add_job(td, jobname, 0, 0, client_type);
1349 td = NULL;
1350 sprintf(jobname, "%s", o[i] + 5);
1351 }
1352 if (in_global && !td_parent)
1353 td_parent = get_new_job(1, &def_thread, 0, jobname);
1354 else if (!in_global && !td) {
1355 if (!td_parent)
1356 td_parent = &def_thread;
1357 td = get_new_job(0, td_parent, 0, jobname);
1358 }
1359 if (in_global)
1360 fio_options_parse(td_parent, (char **) &o[i], 1, 0);
1361 else
1362 fio_options_parse(td, (char **) &o[i], 1, 0);
1363 i++;
1364 }
1365
1366 if (td)
1367 add_job(td, jobname, 0, 0, client_type);
1368}
1369
1370static int skip_this_section(const char *name)
1371{
1372 int i;
1373
1374 if (!nr_job_sections)
1375 return 0;
1376 if (!strncmp(name, "global", 6))
1377 return 0;
1378
1379 for (i = 0; i < nr_job_sections; i++)
1380 if (!strcmp(job_sections[i], name))
1381 return 0;
1382
1383 return 1;
1384}
1385
1386static int is_empty_or_comment(char *line)
1387{
1388 unsigned int i;
1389
1390 for (i = 0; i < strlen(line); i++) {
1391 if (line[i] == ';')
1392 return 1;
1393 if (line[i] == '#')
1394 return 1;
1395 if (!isspace((int) line[i]) && !iscntrl((int) line[i]))
1396 return 0;
1397 }
1398
1399 return 1;
1400}
1401
1402/*
1403 * This is our [ini] type file parser.
1404 */
1405int __parse_jobs_ini(struct thread_data *td,
1406 char *file, int is_buf, int stonewall_flag, int type,
1407 int nested, char *name, char ***popts, int *aopts, int *nopts)
1408{
1409 unsigned int global = 0;
1410 char *string;
1411 FILE *f;
1412 char *p;
1413 int ret = 0, stonewall;
1414 int first_sect = 1;
1415 int skip_fgets = 0;
1416 int inside_skip = 0;
1417 char **opts;
1418 int i, alloc_opts, num_opts;
1419
1420 dprint(FD_PARSE, "Parsing ini file %s\n", file);
1421 assert(td || !nested);
1422
1423 if (is_buf)
1424 f = NULL;
1425 else {
1426 if (!strcmp(file, "-"))
1427 f = stdin;
1428 else
1429 f = fopen(file, "r");
1430
1431 if (!f) {
1432 int __err = errno;
1433
1434 log_err("fio: unable to open '%s' job file\n", file);
1435 if (td)
1436 td_verror(td, __err, "job file open");
1437 return 1;
1438 }
1439 }
1440
1441 string = malloc(4096);
1442
1443 /*
1444 * it's really 256 + small bit, 280 should suffice
1445 */
1446 if (!nested) {
1447 name = malloc(280);
1448 memset(name, 0, 280);
1449 }
1450
1451 opts = NULL;
1452 if (nested && popts) {
1453 opts = *popts;
1454 alloc_opts = *aopts;
1455 num_opts = *nopts;
1456 }
1457
1458 if (!opts) {
1459 alloc_opts = 8;
1460 opts = malloc(sizeof(char *) * alloc_opts);
1461 num_opts = 0;
1462 }
1463
1464 stonewall = stonewall_flag;
1465 do {
1466 /*
1467 * if skip_fgets is set, we already have loaded a line we
1468 * haven't handled.
1469 */
1470 if (!skip_fgets) {
1471 if (is_buf)
1472 p = strsep(&file, "\n");
1473 else
1474 p = fgets(string, 4096, f);
1475 if (!p)
1476 break;
1477 }
1478
1479 skip_fgets = 0;
1480 strip_blank_front(&p);
1481 strip_blank_end(p);
1482
1483 dprint(FD_PARSE, "%s\n", p);
1484 if (is_empty_or_comment(p))
1485 continue;
1486
1487 if (!nested) {
1488 if (sscanf(p, "[%255[^\n]]", name) != 1) {
1489 if (inside_skip)
1490 continue;
1491
1492 log_err("fio: option <%s> outside of "
1493 "[] job section\n", p);
1494 ret = 1;
1495 break;
1496 }
1497
1498 name[strlen(name) - 1] = '\0';
1499
1500 if (skip_this_section(name)) {
1501 inside_skip = 1;
1502 continue;
1503 } else
1504 inside_skip = 0;
1505
1506 dprint(FD_PARSE, "Parsing section [%s]\n", name);
1507
1508 global = !strncmp(name, "global", 6);
1509
1510 if (dump_cmdline) {
1511 if (first_sect)
1512 log_info("fio ");
1513 if (!global)
1514 log_info("--name=%s ", name);
1515 first_sect = 0;
1516 }
1517
1518 td = get_new_job(global, &def_thread, 0, name);
1519 if (!td) {
1520 ret = 1;
1521 break;
1522 }
1523
1524 /*
1525 * Separate multiple job files by a stonewall
1526 */
1527 if (!global && stonewall) {
1528 td->o.stonewall = stonewall;
1529 stonewall = 0;
1530 }
1531
1532 num_opts = 0;
1533 memset(opts, 0, alloc_opts * sizeof(char *));
1534 }
1535 else
1536 skip_fgets = 1;
1537
1538 while (1) {
1539 if (!skip_fgets) {
1540 if (is_buf)
1541 p = strsep(&file, "\n");
1542 else
1543 p = fgets(string, 4096, f);
1544 if (!p)
1545 break;
1546 dprint(FD_PARSE, "%s", p);
1547 }
1548 else
1549 skip_fgets = 0;
1550
1551 if (is_empty_or_comment(p))
1552 continue;
1553
1554 strip_blank_front(&p);
1555
1556 /*
1557 * new section, break out and make sure we don't
1558 * fgets() a new line at the top.
1559 */
1560 if (p[0] == '[') {
1561 if (nested) {
1562 log_err("No new sections in included files\n");
1563 return 1;
1564 }
1565
1566 skip_fgets = 1;
1567 break;
1568 }
1569
1570 strip_blank_end(p);
1571
1572 if (!strncmp(p, "include", strlen("include"))) {
1573 char *filename = p + strlen("include") + 1;
1574
1575 if ((ret = __parse_jobs_ini(td, filename,
1576 is_buf, stonewall_flag, type, 1,
1577 name, &opts, &alloc_opts, &num_opts))) {
1578 log_err("Error %d while parsing include file %s\n",
1579 ret, filename);
1580 break;
1581 }
1582 continue;
1583 }
1584
1585 if (num_opts == alloc_opts) {
1586 alloc_opts <<= 1;
1587 opts = realloc(opts,
1588 alloc_opts * sizeof(char *));
1589 }
1590
1591 opts[num_opts] = strdup(p);
1592 num_opts++;
1593 }
1594
1595 if (nested) {
1596 *popts = opts;
1597 *aopts = alloc_opts;
1598 *nopts = num_opts;
1599 goto out;
1600 }
1601
1602 ret = fio_options_parse(td, opts, num_opts, dump_cmdline);
1603 if (!ret)
1604 ret = add_job(td, name, 0, 0, type);
1605 else {
1606 log_err("fio: job %s dropped\n", name);
1607 put_job(td);
1608 }
1609
1610 for (i = 0; i < num_opts; i++)
1611 free(opts[i]);
1612 num_opts = 0;
1613 } while (!ret);
1614
1615 if (dump_cmdline)
1616 log_info("\n");
1617
1618 i = 0;
1619 while (i < nr_job_sections) {
1620 free(job_sections[i]);
1621 i++;
1622 }
1623
1624 free(opts);
1625out:
1626 free(string);
1627 if (!nested)
1628 free(name);
1629 if (!is_buf && f != stdin)
1630 fclose(f);
1631 return ret;
1632}
1633
1634int parse_jobs_ini(char *file, int is_buf, int stonewall_flag, int type)
1635{
1636 return __parse_jobs_ini(NULL, file, is_buf, stonewall_flag, type,
1637 0, NULL, NULL, NULL, NULL);
1638}
1639
1640static int fill_def_thread(void)
1641{
1642 memset(&def_thread, 0, sizeof(def_thread));
1643
1644 fio_getaffinity(getpid(), &def_thread.o.cpumask);
1645 def_thread.o.error_dump = 1;
1646
1647 /*
1648 * fill default options
1649 */
1650 fio_fill_default_options(&def_thread);
1651 return 0;
1652}
1653
1654static void usage(const char *name)
1655{
1656 printf("%s\n", fio_version_string);
1657 printf("%s [options] [job options] <job file(s)>\n", name);
1658 printf(" --debug=options\tEnable debug logging. May be one/more of:\n"
1659 "\t\t\tprocess,file,io,mem,blktrace,verify,random,parse,\n"
1660 "\t\t\tdiskutil,job,mutex,profile,time,net,rate,compress\n");
1661 printf(" --parse-only\t\tParse options only, don't start any IO\n");
1662 printf(" --output\t\tWrite output to file\n");
1663 printf(" --runtime\t\tRuntime in seconds\n");
1664 printf(" --bandwidth-log\tGenerate per-job bandwidth logs\n");
1665 printf(" --minimal\t\tMinimal (terse) output\n");
1666 printf(" --output-format=x\tOutput format (terse,json,normal)\n");
1667 printf(" --terse-version=x\tSet terse version output format to 'x'\n");
1668 printf(" --version\t\tPrint version info and exit\n");
1669 printf(" --help\t\tPrint this page\n");
1670 printf(" --cpuclock-test\tPerform test/validation of CPU clock\n");
1671 printf(" --crctest\t\tTest speed of checksum functions\n");
1672 printf(" --cmdhelp=cmd\t\tPrint command help, \"all\" for all of"
1673 " them\n");
1674 printf(" --enghelp=engine\tPrint ioengine help, or list"
1675 " available ioengines\n");
1676 printf(" --enghelp=engine,cmd\tPrint help for an ioengine"
1677 " cmd\n");
1678 printf(" --showcmd\t\tTurn a job file into command line options\n");
1679 printf(" --eta=when\t\tWhen ETA estimate should be printed\n");
1680 printf(" \t\tMay be \"always\", \"never\" or \"auto\"\n");
1681 printf(" --eta-newline=time\tForce a new line for every 'time'");
1682 printf(" period passed\n");
1683 printf(" --status-interval=t\tForce full status dump every");
1684 printf(" 't' period passed\n");
1685 printf(" --readonly\t\tTurn on safety read-only checks, preventing"
1686 " writes\n");
1687 printf(" --section=name\tOnly run specified section in job file\n");
1688 printf(" --alloc-size=kb\tSet smalloc pool to this size in kb"
1689 " (def 1024)\n");
1690 printf(" --warnings-fatal\tFio parser warnings are fatal\n");
1691 printf(" --max-jobs=nr\t\tMaximum number of threads/processes to support\n");
1692 printf(" --server=args\t\tStart a backend fio server\n");
1693 printf(" --daemonize=pidfile\tBackground fio server, write pid to file\n");
1694 printf(" --client=hostname\tTalk to remote backend fio server at hostname\n");
1695 printf(" --remote-config=file\tTell fio server to load this local job file\n");
1696 printf(" --idle-prof=option\tReport cpu idleness on a system or percpu basis\n"
1697 "\t\t\t(option=system,percpu) or run unit work\n"
1698 "\t\t\tcalibration only (option=calibrate)\n");
1699#ifdef CONFIG_ZLIB
1700 printf(" --inflate-log=log\tInflate and output compressed log\n");
1701#endif
1702 printf("\nFio was written by Jens Axboe <jens.axboe@oracle.com>");
1703 printf("\n Jens Axboe <jaxboe@fusionio.com>");
1704 printf("\n Jens Axboe <axboe@fb.com>\n");
1705}
1706
1707#ifdef FIO_INC_DEBUG
1708struct debug_level debug_levels[] = {
1709 { .name = "process",
1710 .help = "Process creation/exit logging",
1711 .shift = FD_PROCESS,
1712 },
1713 { .name = "file",
1714 .help = "File related action logging",
1715 .shift = FD_FILE,
1716 },
1717 { .name = "io",
1718 .help = "IO and IO engine action logging (offsets, queue, completions, etc)",
1719 .shift = FD_IO,
1720 },
1721 { .name = "mem",
1722 .help = "Memory allocation/freeing logging",
1723 .shift = FD_MEM,
1724 },
1725 { .name = "blktrace",
1726 .help = "blktrace action logging",
1727 .shift = FD_BLKTRACE,
1728 },
1729 { .name = "verify",
1730 .help = "IO verification action logging",
1731 .shift = FD_VERIFY,
1732 },
1733 { .name = "random",
1734 .help = "Random generation logging",
1735 .shift = FD_RANDOM,
1736 },
1737 { .name = "parse",
1738 .help = "Parser logging",
1739 .shift = FD_PARSE,
1740 },
1741 { .name = "diskutil",
1742 .help = "Disk utility logging actions",
1743 .shift = FD_DISKUTIL,
1744 },
1745 { .name = "job",
1746 .help = "Logging related to creating/destroying jobs",
1747 .shift = FD_JOB,
1748 },
1749 { .name = "mutex",
1750 .help = "Mutex logging",
1751 .shift = FD_MUTEX
1752 },
1753 { .name = "profile",
1754 .help = "Logging related to profiles",
1755 .shift = FD_PROFILE,
1756 },
1757 { .name = "time",
1758 .help = "Logging related to time keeping functions",
1759 .shift = FD_TIME,
1760 },
1761 { .name = "net",
1762 .help = "Network logging",
1763 .shift = FD_NET,
1764 },
1765 { .name = "rate",
1766 .help = "Rate logging",
1767 .shift = FD_RATE,
1768 },
1769 { .name = "compress",
1770 .help = "Log compression logging",
1771 .shift = FD_COMPRESS,
1772 },
1773 { .name = NULL, },
1774};
1775
1776static int set_debug(const char *string)
1777{
1778 struct debug_level *dl;
1779 char *p = (char *) string;
1780 char *opt;
1781 int i;
1782
1783 if (!strcmp(string, "?") || !strcmp(string, "help")) {
1784 log_info("fio: dumping debug options:");
1785 for (i = 0; debug_levels[i].name; i++) {
1786 dl = &debug_levels[i];
1787 log_info("%s,", dl->name);
1788 }
1789 log_info("all\n");
1790 return 1;
1791 }
1792
1793 while ((opt = strsep(&p, ",")) != NULL) {
1794 int found = 0;
1795
1796 if (!strncmp(opt, "all", 3)) {
1797 log_info("fio: set all debug options\n");
1798 fio_debug = ~0UL;
1799 continue;
1800 }
1801
1802 for (i = 0; debug_levels[i].name; i++) {
1803 dl = &debug_levels[i];
1804 found = !strncmp(opt, dl->name, strlen(dl->name));
1805 if (!found)
1806 continue;
1807
1808 if (dl->shift == FD_JOB) {
1809 opt = strchr(opt, ':');
1810 if (!opt) {
1811 log_err("fio: missing job number\n");
1812 break;
1813 }
1814 opt++;
1815 fio_debug_jobno = atoi(opt);
1816 log_info("fio: set debug jobno %d\n",
1817 fio_debug_jobno);
1818 } else {
1819 log_info("fio: set debug option %s\n", opt);
1820 fio_debug |= (1UL << dl->shift);
1821 }
1822 break;
1823 }
1824
1825 if (!found)
1826 log_err("fio: debug mask %s not found\n", opt);
1827 }
1828 return 0;
1829}
1830#else
1831static int set_debug(const char *string)
1832{
1833 log_err("fio: debug tracing not included in build\n");
1834 return 1;
1835}
1836#endif
1837
1838static void fio_options_fill_optstring(void)
1839{
1840 char *ostr = cmd_optstr;
1841 int i, c;
1842
1843 c = i = 0;
1844 while (l_opts[i].name) {
1845 ostr[c++] = l_opts[i].val;
1846 if (l_opts[i].has_arg == required_argument)
1847 ostr[c++] = ':';
1848 else if (l_opts[i].has_arg == optional_argument) {
1849 ostr[c++] = ':';
1850 ostr[c++] = ':';
1851 }
1852 i++;
1853 }
1854 ostr[c] = '\0';
1855}
1856
1857static int client_flag_set(char c)
1858{
1859 int i;
1860
1861 i = 0;
1862 while (l_opts[i].name) {
1863 int val = l_opts[i].val;
1864
1865 if (c == (val & 0xff))
1866 return (val & FIO_CLIENT_FLAG);
1867
1868 i++;
1869 }
1870
1871 return 0;
1872}
1873
1874static void parse_cmd_client(void *client, char *opt)
1875{
1876 fio_client_add_cmd_option(client, opt);
1877}
1878
1879int parse_cmd_line(int argc, char *argv[], int client_type)
1880{
1881 struct thread_data *td = NULL;
1882 int c, ini_idx = 0, lidx, ret = 0, do_exit = 0, exit_val = 0;
1883 char *ostr = cmd_optstr;
1884 void *pid_file = NULL;
1885 void *cur_client = NULL;
1886 int backend = 0;
1887
1888 /*
1889 * Reset optind handling, since we may call this multiple times
1890 * for the backend.
1891 */
1892 optind = 1;
1893
1894 while ((c = getopt_long_only(argc, argv, ostr, l_opts, &lidx)) != -1) {
1895 if ((c & FIO_CLIENT_FLAG) || client_flag_set(c)) {
1896 parse_cmd_client(cur_client, argv[optind - 1]);
1897 c &= ~FIO_CLIENT_FLAG;
1898 }
1899
1900 switch (c) {
1901 case 'a':
1902 smalloc_pool_size = atoi(optarg);
1903 break;
1904 case 't':
1905 if (check_str_time(optarg, &def_timeout, 1)) {
1906 log_err("fio: failed parsing time %s\n", optarg);
1907 do_exit++;
1908 exit_val = 1;
1909 }
1910 break;
1911 case 'l':
1912 log_err("fio: --latency-log is deprecated. Use per-job latency log options.\n");
1913 do_exit++;
1914 exit_val = 1;
1915 break;
1916 case 'b':
1917 write_bw_log = 1;
1918 break;
1919 case 'o':
1920 if (f_out && f_out != stdout)
1921 fclose(f_out);
1922
1923 f_out = fopen(optarg, "w+");
1924 if (!f_out) {
1925 perror("fopen output");
1926 exit(1);
1927 }
1928 f_err = f_out;
1929 break;
1930 case 'm':
1931 output_format = FIO_OUTPUT_TERSE;
1932 break;
1933 case 'F':
1934 if (!optarg) {
1935 log_err("fio: missing --output-format argument\n");
1936 exit_val = 1;
1937 do_exit++;
1938 break;
1939 }
1940 if (!strcmp(optarg, "minimal") ||
1941 !strcmp(optarg, "terse") ||
1942 !strcmp(optarg, "csv"))
1943 output_format = FIO_OUTPUT_TERSE;
1944 else if (!strcmp(optarg, "json"))
1945 output_format = FIO_OUTPUT_JSON;
1946 else
1947 output_format = FIO_OUTPUT_NORMAL;
1948 break;
1949 case 'f':
1950 append_terse_output = 1;
1951 break;
1952 case 'h':
1953 did_arg = 1;
1954 if (!cur_client) {
1955 usage(argv[0]);
1956 do_exit++;
1957 }
1958 break;
1959 case 'c':
1960 did_arg = 1;
1961 if (!cur_client) {
1962 fio_show_option_help(optarg);
1963 do_exit++;
1964 }
1965 break;
1966 case 'i':
1967 did_arg = 1;
1968 if (!cur_client) {
1969 fio_show_ioengine_help(optarg);
1970 do_exit++;
1971 }
1972 break;
1973 case 's':
1974 did_arg = 1;
1975 dump_cmdline = 1;
1976 break;
1977 case 'r':
1978 read_only = 1;
1979 break;
1980 case 'v':
1981 did_arg = 1;
1982 if (!cur_client) {
1983 log_info("%s\n", fio_version_string);
1984 do_exit++;
1985 }
1986 break;
1987 case 'V':
1988 terse_version = atoi(optarg);
1989 if (!(terse_version == 2 || terse_version == 3 ||
1990 terse_version == 4)) {
1991 log_err("fio: bad terse version format\n");
1992 exit_val = 1;
1993 do_exit++;
1994 }
1995 break;
1996 case 'e':
1997 if (!strcmp("always", optarg))
1998 eta_print = FIO_ETA_ALWAYS;
1999 else if (!strcmp("never", optarg))
2000 eta_print = FIO_ETA_NEVER;
2001 break;
2002 case 'E': {
2003 long long t = 0;
2004
2005 if (str_to_decimal(optarg, &t, 0, NULL, 1)) {
2006 log_err("fio: failed parsing eta time %s\n", optarg);
2007 exit_val = 1;
2008 do_exit++;
2009 }
2010 eta_new_line = t;
2011 break;
2012 }
2013 case 'd':
2014 if (set_debug(optarg))
2015 do_exit++;
2016 break;
2017 case 'P':
2018 did_arg = 1;
2019 parse_only = 1;
2020 break;
2021 case 'x': {
2022 size_t new_size;
2023
2024 if (!strcmp(optarg, "global")) {
2025 log_err("fio: can't use global as only "
2026 "section\n");
2027 do_exit++;
2028 exit_val = 1;
2029 break;
2030 }
2031 new_size = (nr_job_sections + 1) * sizeof(char *);
2032 job_sections = realloc(job_sections, new_size);
2033 job_sections[nr_job_sections] = strdup(optarg);
2034 nr_job_sections++;
2035 break;
2036 }
2037#ifdef CONFIG_ZLIB
2038 case 'X':
2039 exit_val = iolog_file_inflate(optarg);
2040 did_arg++;
2041 do_exit++;
2042 break;
2043#endif
2044 case 'p':
2045 did_arg = 1;
2046 if (exec_profile)
2047 free(exec_profile);
2048 exec_profile = strdup(optarg);
2049 break;
2050 case FIO_GETOPT_JOB: {
2051 const char *opt = l_opts[lidx].name;
2052 char *val = optarg;
2053
2054 if (!strncmp(opt, "name", 4) && td) {
2055 ret = add_job(td, td->o.name ?: "fio", 0, 0, client_type);
2056 if (ret)
2057 goto out_free;
2058 td = NULL;
2059 did_arg = 1;
2060 }
2061 if (!td) {
2062 int is_section = !strncmp(opt, "name", 4);
2063 int global = 0;
2064
2065 if (!is_section || !strncmp(val, "global", 6))
2066 global = 1;
2067
2068 if (is_section && skip_this_section(val))
2069 continue;
2070
2071 td = get_new_job(global, &def_thread, 1, NULL);
2072 if (!td || ioengine_load(td)) {
2073 if (td) {
2074 put_job(td);
2075 td = NULL;
2076 }
2077 do_exit++;
2078 break;
2079 }
2080 fio_options_set_ioengine_opts(l_opts, td);
2081 }
2082
2083 if ((!val || !strlen(val)) &&
2084 l_opts[lidx].has_arg == required_argument) {
2085 log_err("fio: option %s requires an argument\n", opt);
2086 ret = 1;
2087 } else
2088 ret = fio_cmd_option_parse(td, opt, val);
2089
2090 if (ret) {
2091 if (td) {
2092 put_job(td);
2093 td = NULL;
2094 }
2095 do_exit++;
2096 }
2097
2098 if (!ret && !strcmp(opt, "ioengine")) {
2099 free_ioengine(td);
2100 if (ioengine_load(td)) {
2101 put_job(td);
2102 td = NULL;
2103 do_exit++;
2104 break;
2105 }
2106 fio_options_set_ioengine_opts(l_opts, td);
2107 }
2108 break;
2109 }
2110 case FIO_GETOPT_IOENGINE: {
2111 const char *opt = l_opts[lidx].name;
2112 char *val = optarg;
2113
2114 if (!td)
2115 break;
2116
2117 ret = fio_cmd_ioengine_option_parse(td, opt, val);
2118 break;
2119 }
2120 case 'w':
2121 warnings_fatal = 1;
2122 break;
2123 case 'j':
2124 max_jobs = atoi(optarg);
2125 if (!max_jobs || max_jobs > REAL_MAX_JOBS) {
2126 log_err("fio: invalid max jobs: %d\n", max_jobs);
2127 do_exit++;
2128 exit_val = 1;
2129 }
2130 break;
2131 case 'S':
2132 did_arg = 1;
2133#ifndef CONFIG_NO_SHM
2134 if (nr_clients) {
2135 log_err("fio: can't be both client and server\n");
2136 do_exit++;
2137 exit_val = 1;
2138 break;
2139 }
2140 if (optarg)
2141 fio_server_set_arg(optarg);
2142 is_backend = 1;
2143 backend = 1;
2144#else
2145 log_err("fio: client/server requires SHM support\n");
2146 do_exit++;
2147 exit_val = 1;
2148#endif
2149 break;
2150 case 'D':
2151 if (pid_file)
2152 free(pid_file);
2153 pid_file = strdup(optarg);
2154 break;
2155 case 'I':
2156 if ((ret = fio_idle_prof_parse_opt(optarg))) {
2157 /* exit on error and calibration only */
2158 did_arg = 1;
2159 do_exit++;
2160 if (ret == -1)
2161 exit_val = 1;
2162 }
2163 break;
2164 case 'C':
2165 did_arg = 1;
2166 if (is_backend) {
2167 log_err("fio: can't be both client and server\n");
2168 do_exit++;
2169 exit_val = 1;
2170 break;
2171 }
2172 if (fio_client_add(&fio_client_ops, optarg, &cur_client)) {
2173 log_err("fio: failed adding client %s\n", optarg);
2174 do_exit++;
2175 exit_val = 1;
2176 break;
2177 }
2178 /*
2179 * If the next argument exists and isn't an option,
2180 * assume it's a job file for this client only.
2181 */
2182 while (optind < argc) {
2183 if (!strncmp(argv[optind], "--", 2) ||
2184 !strncmp(argv[optind], "-", 1))
2185 break;
2186
2187 if (fio_client_add_ini_file(cur_client, argv[optind], 0))
2188 break;
2189 optind++;
2190 }
2191 break;
2192 case 'R':
2193 did_arg = 1;
2194 if (fio_client_add_ini_file(cur_client, optarg, 1)) {
2195 do_exit++;
2196 exit_val = 1;
2197 }
2198 break;
2199 case 'T':
2200 did_arg = 1;
2201 do_exit++;
2202 exit_val = fio_monotonic_clocktest();
2203 break;
2204 case 'G':
2205 did_arg = 1;
2206 do_exit++;
2207 exit_val = fio_crctest(optarg);
2208 break;
2209 case 'L': {
2210 long long val;
2211
2212 if (check_str_time(optarg, &val, 0)) {
2213 log_err("fio: failed parsing time %s\n", optarg);
2214 do_exit++;
2215 exit_val = 1;
2216 break;
2217 }
2218 status_interval = val * 1000;
2219 break;
2220 }
2221 case '?':
2222 log_err("%s: unrecognized option '%s'\n", argv[0],
2223 argv[optind - 1]);
2224 default:
2225 do_exit++;
2226 exit_val = 1;
2227 break;
2228 }
2229 if (do_exit)
2230 break;
2231 }
2232
2233 if (do_exit && !(is_backend || nr_clients))
2234 exit(exit_val);
2235
2236 if (nr_clients && fio_clients_connect())
2237 exit(1);
2238
2239 if (is_backend && backend)
2240 return fio_start_server(pid_file);
2241 else if (pid_file)
2242 free(pid_file);
2243
2244 if (td) {
2245 if (!ret) {
2246 ret = add_job(td, td->o.name ?: "fio", 0, 0, client_type);
2247 if (ret)
2248 did_arg = 1;
2249 }
2250 }
2251
2252 while (!ret && optind < argc) {
2253 ini_idx++;
2254 ini_file = realloc(ini_file, ini_idx * sizeof(char *));
2255 ini_file[ini_idx - 1] = strdup(argv[optind]);
2256 optind++;
2257 }
2258
2259out_free:
2260 if (pid_file)
2261 free(pid_file);
2262
2263 return ini_idx;
2264}
2265
2266int fio_init_options(void)
2267{
2268 f_out = stdout;
2269 f_err = stderr;
2270
2271 fio_options_fill_optstring();
2272 fio_options_dup_and_init(l_opts);
2273
2274 atexit(free_shm);
2275
2276 if (fill_def_thread())
2277 return 1;
2278
2279 return 0;
2280}
2281
2282extern int fio_check_options(struct thread_options *);
2283
2284int parse_options(int argc, char *argv[])
2285{
2286 const int type = FIO_CLIENT_TYPE_CLI;
2287 int job_files, i;
2288
2289 if (fio_init_options())
2290 return 1;
2291 if (fio_test_cconv(&def_thread.o))
2292 log_err("fio: failed internal cconv test\n");
2293
2294 job_files = parse_cmd_line(argc, argv, type);
2295
2296 if (job_files > 0) {
2297 for (i = 0; i < job_files; i++) {
2298 if (i && fill_def_thread())
2299 return 1;
2300 if (nr_clients) {
2301 if (fio_clients_send_ini(ini_file[i]))
2302 return 1;
2303 free(ini_file[i]);
2304 } else if (!is_backend) {
2305 if (parse_jobs_ini(ini_file[i], 0, i, type))
2306 return 1;
2307 free(ini_file[i]);
2308 }
2309 }
2310 } else if (nr_clients) {
2311 if (fill_def_thread())
2312 return 1;
2313 if (fio_clients_send_ini(NULL))
2314 return 1;
2315 }
2316
2317 free(ini_file);
2318 fio_options_free(&def_thread);
2319 filesetup_mem_free();
2320
2321 if (!thread_number) {
2322 if (parse_dryrun())
2323 return 0;
2324 if (exec_profile)
2325 return 0;
2326 if (is_backend || nr_clients)
2327 return 0;
2328 if (did_arg)
2329 return 0;
2330
2331 log_err("No jobs(s) defined\n\n");
2332
2333 if (!did_arg) {
2334 usage(argv[0]);
2335 return 1;
2336 }
2337
2338 return 0;
2339 }
2340
2341 if (def_thread.o.gtod_offload) {
2342 fio_gtod_init();
2343 fio_gtod_offload = 1;
2344 fio_gtod_cpu = def_thread.o.gtod_cpu;
2345 }
2346
2347 if (output_format == FIO_OUTPUT_NORMAL)
2348 log_info("%s\n", fio_version_string);
2349
2350 return 0;
2351}
2352
2353void options_default_fill(struct thread_options *o)
2354{
2355 memcpy(o, &def_thread.o, sizeof(*o));
2356}
fio - Flexible IO Tester