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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
67char *trigger_file = NULL;
68long long trigger_timeout = 0;
69char *trigger_cmd = NULL;
70char *trigger_remote_cmd = NULL;
71
72static int prev_group_jobs;
73
74unsigned long fio_debug = 0;
75unsigned int fio_debug_jobno = -1;
76unsigned int *fio_debug_jobp = NULL;
77
78static char cmd_optstr[256];
79static int did_arg;
80
81#define FIO_CLIENT_FLAG (1 << 16)
82
83/*
84 * Command line options. These will contain the above, plus a few
85 * extra that only pertain to fio itself and not jobs.
86 */
87static struct option l_opts[FIO_NR_OPTIONS] = {
88 {
89 .name = (char *) "output",
90 .has_arg = required_argument,
91 .val = 'o' | FIO_CLIENT_FLAG,
92 },
93 {
94 .name = (char *) "timeout",
95 .has_arg = required_argument,
96 .val = 't' | FIO_CLIENT_FLAG,
97 },
98 {
99 .name = (char *) "latency-log",
100 .has_arg = required_argument,
101 .val = 'l' | FIO_CLIENT_FLAG,
102 },
103 {
104 .name = (char *) "bandwidth-log",
105 .has_arg = required_argument,
106 .val = 'b' | FIO_CLIENT_FLAG,
107 },
108 {
109 .name = (char *) "minimal",
110 .has_arg = no_argument,
111 .val = 'm' | FIO_CLIENT_FLAG,
112 },
113 {
114 .name = (char *) "output-format",
115 .has_arg = optional_argument,
116 .val = 'F' | FIO_CLIENT_FLAG,
117 },
118 {
119 .name = (char *) "append-terse",
120 .has_arg = optional_argument,
121 .val = 'f',
122 },
123 {
124 .name = (char *) "version",
125 .has_arg = no_argument,
126 .val = 'v' | FIO_CLIENT_FLAG,
127 },
128 {
129 .name = (char *) "help",
130 .has_arg = no_argument,
131 .val = 'h' | FIO_CLIENT_FLAG,
132 },
133 {
134 .name = (char *) "cmdhelp",
135 .has_arg = optional_argument,
136 .val = 'c' | FIO_CLIENT_FLAG,
137 },
138 {
139 .name = (char *) "enghelp",
140 .has_arg = optional_argument,
141 .val = 'i' | FIO_CLIENT_FLAG,
142 },
143 {
144 .name = (char *) "showcmd",
145 .has_arg = no_argument,
146 .val = 's' | FIO_CLIENT_FLAG,
147 },
148 {
149 .name = (char *) "readonly",
150 .has_arg = no_argument,
151 .val = 'r' | FIO_CLIENT_FLAG,
152 },
153 {
154 .name = (char *) "eta",
155 .has_arg = required_argument,
156 .val = 'e' | FIO_CLIENT_FLAG,
157 },
158 {
159 .name = (char *) "eta-newline",
160 .has_arg = required_argument,
161 .val = 'E' | FIO_CLIENT_FLAG,
162 },
163 {
164 .name = (char *) "debug",
165 .has_arg = required_argument,
166 .val = 'd' | FIO_CLIENT_FLAG,
167 },
168 {
169 .name = (char *) "parse-only",
170 .has_arg = no_argument,
171 .val = 'P' | FIO_CLIENT_FLAG,
172 },
173 {
174 .name = (char *) "section",
175 .has_arg = required_argument,
176 .val = 'x' | FIO_CLIENT_FLAG,
177 },
178#ifdef CONFIG_ZLIB
179 {
180 .name = (char *) "inflate-log",
181 .has_arg = required_argument,
182 .val = 'X' | FIO_CLIENT_FLAG,
183 },
184#endif
185 {
186 .name = (char *) "alloc-size",
187 .has_arg = required_argument,
188 .val = 'a' | FIO_CLIENT_FLAG,
189 },
190 {
191 .name = (char *) "profile",
192 .has_arg = required_argument,
193 .val = 'p' | FIO_CLIENT_FLAG,
194 },
195 {
196 .name = (char *) "warnings-fatal",
197 .has_arg = no_argument,
198 .val = 'w' | FIO_CLIENT_FLAG,
199 },
200 {
201 .name = (char *) "max-jobs",
202 .has_arg = required_argument,
203 .val = 'j' | FIO_CLIENT_FLAG,
204 },
205 {
206 .name = (char *) "terse-version",
207 .has_arg = required_argument,
208 .val = 'V' | FIO_CLIENT_FLAG,
209 },
210 {
211 .name = (char *) "server",
212 .has_arg = optional_argument,
213 .val = 'S',
214 },
215 { .name = (char *) "daemonize",
216 .has_arg = required_argument,
217 .val = 'D',
218 },
219 {
220 .name = (char *) "client",
221 .has_arg = required_argument,
222 .val = 'C',
223 },
224 {
225 .name = (char *) "remote-config",
226 .has_arg = required_argument,
227 .val = 'R',
228 },
229 {
230 .name = (char *) "cpuclock-test",
231 .has_arg = no_argument,
232 .val = 'T',
233 },
234 {
235 .name = (char *) "crctest",
236 .has_arg = optional_argument,
237 .val = 'G',
238 },
239 {
240 .name = (char *) "idle-prof",
241 .has_arg = required_argument,
242 .val = 'I',
243 },
244 {
245 .name = (char *) "status-interval",
246 .has_arg = required_argument,
247 .val = 'L',
248 },
249 {
250 .name = (char *) "trigger-file",
251 .has_arg = required_argument,
252 .val = 'W',
253 },
254 {
255 .name = (char *) "trigger-timeout",
256 .has_arg = required_argument,
257 .val = 'B',
258 },
259 {
260 .name = (char *) "trigger",
261 .has_arg = required_argument,
262 .val = 'H',
263 },
264 {
265 .name = (char *) "trigger-remote",
266 .has_arg = required_argument,
267 .val = 'J',
268 },
269 {
270 .name = NULL,
271 },
272};
273
274void free_threads_shm(void)
275{
276 if (threads) {
277 void *tp = threads;
278#ifndef CONFIG_NO_SHM
279 struct shmid_ds sbuf;
280
281 threads = NULL;
282 shmdt(tp);
283 shmctl(shm_id, IPC_RMID, &sbuf);
284 shm_id = -1;
285#else
286 threads = NULL;
287 free(tp);
288#endif
289 }
290}
291
292static void free_shm(void)
293{
294 if (threads) {
295 file_hash_exit();
296 flow_exit();
297 fio_debug_jobp = NULL;
298 free_threads_shm();
299 }
300
301 free(trigger_file);
302 free(trigger_cmd);
303 free(trigger_remote_cmd);
304 trigger_file = trigger_cmd = trigger_remote_cmd = NULL;
305
306 options_free(fio_options, &def_thread);
307 fio_filelock_exit();
308 scleanup();
309}
310
311/*
312 * The thread area is shared between the main process and the job
313 * threads/processes. So setup a shared memory segment that will hold
314 * all the job info. We use the end of the region for keeping track of
315 * open files across jobs, for file sharing.
316 */
317static int setup_thread_area(void)
318{
319 void *hash;
320
321 if (threads)
322 return 0;
323
324 /*
325 * 1024 is too much on some machines, scale max_jobs if
326 * we get a failure that looks like too large a shm segment
327 */
328 do {
329 size_t size = max_jobs * sizeof(struct thread_data);
330
331 size += file_hash_size;
332 size += sizeof(unsigned int);
333
334#ifndef CONFIG_NO_SHM
335 shm_id = shmget(0, size, IPC_CREAT | 0600);
336 if (shm_id != -1)
337 break;
338 if (errno != EINVAL && errno != ENOMEM && errno != ENOSPC) {
339 perror("shmget");
340 break;
341 }
342#else
343 threads = malloc(size);
344 if (threads)
345 break;
346#endif
347
348 max_jobs >>= 1;
349 } while (max_jobs);
350
351#ifndef CONFIG_NO_SHM
352 if (shm_id == -1)
353 return 1;
354
355 threads = shmat(shm_id, NULL, 0);
356 if (threads == (void *) -1) {
357 perror("shmat");
358 return 1;
359 }
360#endif
361
362 memset(threads, 0, max_jobs * sizeof(struct thread_data));
363 hash = (void *) threads + max_jobs * sizeof(struct thread_data);
364 fio_debug_jobp = (void *) hash + file_hash_size;
365 *fio_debug_jobp = -1;
366 file_hash_init(hash);
367
368 flow_init();
369
370 return 0;
371}
372
373static void set_cmd_options(struct thread_data *td)
374{
375 struct thread_options *o = &td->o;
376
377 if (!o->timeout)
378 o->timeout = def_timeout;
379}
380
381/*
382 * Return a free job structure.
383 */
384static struct thread_data *get_new_job(int global, struct thread_data *parent,
385 int preserve_eo, const char *jobname)
386{
387 struct thread_data *td;
388
389 if (global) {
390 set_cmd_options(&def_thread);
391 return &def_thread;
392 }
393 if (setup_thread_area()) {
394 log_err("error: failed to setup shm segment\n");
395 return NULL;
396 }
397 if (thread_number >= max_jobs) {
398 log_err("error: maximum number of jobs (%d) reached.\n",
399 max_jobs);
400 return NULL;
401 }
402
403 td = &threads[thread_number++];
404 *td = *parent;
405
406 td->io_ops = NULL;
407 if (!preserve_eo)
408 td->eo = NULL;
409
410 td->o.uid = td->o.gid = -1U;
411
412 dup_files(td, parent);
413 fio_options_mem_dupe(td);
414
415 profile_add_hooks(td);
416
417 td->thread_number = thread_number;
418 td->subjob_number = 0;
419
420 if (jobname)
421 td->o.name = strdup(jobname);
422
423 if (!parent->o.group_reporting)
424 stat_number++;
425
426 set_cmd_options(td);
427 return td;
428}
429
430static void put_job(struct thread_data *td)
431{
432 if (td == &def_thread)
433 return;
434
435 profile_td_exit(td);
436 flow_exit_job(td);
437
438 if (td->error)
439 log_info("fio: %s\n", td->verror);
440
441 fio_options_free(td);
442 if (td->io_ops)
443 free_ioengine(td);
444
445 if (td->o.name)
446 free(td->o.name);
447
448 memset(&threads[td->thread_number - 1], 0, sizeof(*td));
449 thread_number--;
450}
451
452static int __setup_rate(struct thread_data *td, enum fio_ddir ddir)
453{
454 unsigned int bs = td->o.min_bs[ddir];
455
456 assert(ddir_rw(ddir));
457
458 if (td->o.rate[ddir])
459 td->rate_bps[ddir] = td->o.rate[ddir];
460 else
461 td->rate_bps[ddir] = td->o.rate_iops[ddir] * bs;
462
463 if (!td->rate_bps[ddir]) {
464 log_err("rate lower than supported\n");
465 return -1;
466 }
467
468 td->rate_pending_usleep[ddir] = 0;
469 return 0;
470}
471
472static int setup_rate(struct thread_data *td)
473{
474 int ret = 0;
475
476 if (td->o.rate[DDIR_READ] || td->o.rate_iops[DDIR_READ])
477 ret = __setup_rate(td, DDIR_READ);
478 if (td->o.rate[DDIR_WRITE] || td->o.rate_iops[DDIR_WRITE])
479 ret |= __setup_rate(td, DDIR_WRITE);
480 if (td->o.rate[DDIR_TRIM] || td->o.rate_iops[DDIR_TRIM])
481 ret |= __setup_rate(td, DDIR_TRIM);
482
483 return ret;
484}
485
486static int fixed_block_size(struct thread_options *o)
487{
488 return o->min_bs[DDIR_READ] == o->max_bs[DDIR_READ] &&
489 o->min_bs[DDIR_WRITE] == o->max_bs[DDIR_WRITE] &&
490 o->min_bs[DDIR_TRIM] == o->max_bs[DDIR_TRIM] &&
491 o->min_bs[DDIR_READ] == o->min_bs[DDIR_WRITE] &&
492 o->min_bs[DDIR_READ] == o->min_bs[DDIR_TRIM];
493}
494
495
496static unsigned long long get_rand_start_delay(struct thread_data *td)
497{
498 unsigned long long delayrange;
499 unsigned long r;
500
501 delayrange = td->o.start_delay_high - td->o.start_delay;
502
503 r = __rand(&td->delay_state);
504 delayrange = (unsigned long long) ((double) delayrange * (r / (FRAND_MAX + 1.0)));
505
506 delayrange += td->o.start_delay;
507 return delayrange;
508}
509
510/*
511 * Lazy way of fixing up options that depend on each other. We could also
512 * define option callback handlers, but this is easier.
513 */
514static int fixup_options(struct thread_data *td)
515{
516 struct thread_options *o = &td->o;
517 int ret = 0;
518
519#ifndef FIO_HAVE_PSHARED_MUTEX
520 if (!o->use_thread) {
521 log_info("fio: this platform does not support process shared"
522 " mutexes, forcing use of threads. Use the 'thread'"
523 " option to get rid of this warning.\n");
524 o->use_thread = 1;
525 ret = warnings_fatal;
526 }
527#endif
528
529 if (o->write_iolog_file && o->read_iolog_file) {
530 log_err("fio: read iolog overrides write_iolog\n");
531 free(o->write_iolog_file);
532 o->write_iolog_file = NULL;
533 ret = warnings_fatal;
534 }
535
536 /*
537 * only really works with 1 file
538 */
539 if (o->zone_size && o->open_files > 1)
540 o->zone_size = 0;
541
542 /*
543 * If zone_range isn't specified, backward compatibility dictates it
544 * should be made equal to zone_size.
545 */
546 if (o->zone_size && !o->zone_range)
547 o->zone_range = o->zone_size;
548
549 /*
550 * Reads can do overwrites, we always need to pre-create the file
551 */
552 if (td_read(td) || td_rw(td))
553 o->overwrite = 1;
554
555 if (!o->min_bs[DDIR_READ])
556 o->min_bs[DDIR_READ] = o->bs[DDIR_READ];
557 if (!o->max_bs[DDIR_READ])
558 o->max_bs[DDIR_READ] = o->bs[DDIR_READ];
559 if (!o->min_bs[DDIR_WRITE])
560 o->min_bs[DDIR_WRITE] = o->bs[DDIR_WRITE];
561 if (!o->max_bs[DDIR_WRITE])
562 o->max_bs[DDIR_WRITE] = o->bs[DDIR_WRITE];
563 if (!o->min_bs[DDIR_TRIM])
564 o->min_bs[DDIR_TRIM] = o->bs[DDIR_TRIM];
565 if (!o->max_bs[DDIR_TRIM])
566 o->max_bs[DDIR_TRIM] = o->bs[DDIR_TRIM];
567
568 o->rw_min_bs = min(o->min_bs[DDIR_READ], o->min_bs[DDIR_WRITE]);
569 o->rw_min_bs = min(o->min_bs[DDIR_TRIM], o->rw_min_bs);
570
571 /*
572 * For random IO, allow blockalign offset other than min_bs.
573 */
574 if (!o->ba[DDIR_READ] || !td_random(td))
575 o->ba[DDIR_READ] = o->min_bs[DDIR_READ];
576 if (!o->ba[DDIR_WRITE] || !td_random(td))
577 o->ba[DDIR_WRITE] = o->min_bs[DDIR_WRITE];
578 if (!o->ba[DDIR_TRIM] || !td_random(td))
579 o->ba[DDIR_TRIM] = o->min_bs[DDIR_TRIM];
580
581 if ((o->ba[DDIR_READ] != o->min_bs[DDIR_READ] ||
582 o->ba[DDIR_WRITE] != o->min_bs[DDIR_WRITE] ||
583 o->ba[DDIR_TRIM] != o->min_bs[DDIR_TRIM]) &&
584 !o->norandommap) {
585 log_err("fio: Any use of blockalign= turns off randommap\n");
586 o->norandommap = 1;
587 ret = warnings_fatal;
588 }
589
590 if (!o->file_size_high)
591 o->file_size_high = o->file_size_low;
592
593 if (o->start_delay_high)
594 o->start_delay = get_rand_start_delay(td);
595
596 if (o->norandommap && o->verify != VERIFY_NONE
597 && !fixed_block_size(o)) {
598 log_err("fio: norandommap given for variable block sizes, "
599 "verify limited\n");
600 ret = warnings_fatal;
601 }
602 if (o->bs_unaligned && (o->odirect || td->io_ops->flags & FIO_RAWIO))
603 log_err("fio: bs_unaligned may not work with raw io\n");
604
605 /*
606 * thinktime_spin must be less than thinktime
607 */
608 if (o->thinktime_spin > o->thinktime)
609 o->thinktime_spin = o->thinktime;
610
611 /*
612 * The low water mark cannot be bigger than the iodepth
613 */
614 if (o->iodepth_low > o->iodepth || !o->iodepth_low)
615 o->iodepth_low = o->iodepth;
616
617 /*
618 * If batch number isn't set, default to the same as iodepth
619 */
620 if (o->iodepth_batch > o->iodepth || !o->iodepth_batch)
621 o->iodepth_batch = o->iodepth;
622
623 if (o->nr_files > td->files_index)
624 o->nr_files = td->files_index;
625
626 if (o->open_files > o->nr_files || !o->open_files)
627 o->open_files = o->nr_files;
628
629 if (((o->rate[DDIR_READ] + o->rate[DDIR_WRITE] + o->rate[DDIR_TRIM]) &&
630 (o->rate_iops[DDIR_READ] + o->rate_iops[DDIR_WRITE] + o->rate_iops[DDIR_TRIM])) ||
631 ((o->ratemin[DDIR_READ] + o->ratemin[DDIR_WRITE] + o->ratemin[DDIR_TRIM]) &&
632 (o->rate_iops_min[DDIR_READ] + o->rate_iops_min[DDIR_WRITE] + o->rate_iops_min[DDIR_TRIM]))) {
633 log_err("fio: rate and rate_iops are mutually exclusive\n");
634 ret = 1;
635 }
636 if ((o->rate[DDIR_READ] < o->ratemin[DDIR_READ]) ||
637 (o->rate[DDIR_WRITE] < o->ratemin[DDIR_WRITE]) ||
638 (o->rate[DDIR_TRIM] < o->ratemin[DDIR_TRIM]) ||
639 (o->rate_iops[DDIR_READ] < o->rate_iops_min[DDIR_READ]) ||
640 (o->rate_iops[DDIR_WRITE] < o->rate_iops_min[DDIR_WRITE]) ||
641 (o->rate_iops[DDIR_TRIM] < o->rate_iops_min[DDIR_TRIM])) {
642 log_err("fio: minimum rate exceeds rate\n");
643 ret = 1;
644 }
645
646 if (!o->timeout && o->time_based) {
647 log_err("fio: time_based requires a runtime/timeout setting\n");
648 o->time_based = 0;
649 ret = warnings_fatal;
650 }
651
652 if (o->fill_device && !o->size)
653 o->size = -1ULL;
654
655 if (o->verify != VERIFY_NONE) {
656 if (td_write(td) && o->do_verify && o->numjobs > 1) {
657 log_info("Multiple writers may overwrite blocks that "
658 "belong to other jobs. This can cause "
659 "verification failures.\n");
660 ret = warnings_fatal;
661 }
662
663 o->refill_buffers = 1;
664 if (o->max_bs[DDIR_WRITE] != o->min_bs[DDIR_WRITE] &&
665 !o->verify_interval)
666 o->verify_interval = o->min_bs[DDIR_WRITE];
667
668 /*
669 * Verify interval must be smaller or equal to the
670 * write size.
671 */
672 if (o->verify_interval > o->min_bs[DDIR_WRITE])
673 o->verify_interval = o->min_bs[DDIR_WRITE];
674 else if (td_read(td) && o->verify_interval > o->min_bs[DDIR_READ])
675 o->verify_interval = o->min_bs[DDIR_READ];
676 }
677
678 if (o->pre_read) {
679 o->invalidate_cache = 0;
680 if (td->io_ops->flags & FIO_PIPEIO) {
681 log_info("fio: cannot pre-read files with an IO engine"
682 " that isn't seekable. Pre-read disabled.\n");
683 ret = warnings_fatal;
684 }
685 }
686
687 if (!o->unit_base) {
688 if (td->io_ops->flags & FIO_BIT_BASED)
689 o->unit_base = 1;
690 else
691 o->unit_base = 8;
692 }
693
694#ifndef CONFIG_FDATASYNC
695 if (o->fdatasync_blocks) {
696 log_info("fio: this platform does not support fdatasync()"
697 " falling back to using fsync(). Use the 'fsync'"
698 " option instead of 'fdatasync' to get rid of"
699 " this warning\n");
700 o->fsync_blocks = o->fdatasync_blocks;
701 o->fdatasync_blocks = 0;
702 ret = warnings_fatal;
703 }
704#endif
705
706#ifdef WIN32
707 /*
708 * Windows doesn't support O_DIRECT or O_SYNC with the _open interface,
709 * so fail if we're passed those flags
710 */
711 if ((td->io_ops->flags & FIO_SYNCIO) && (td->o.odirect || td->o.sync_io)) {
712 log_err("fio: Windows does not support direct or non-buffered io with"
713 " the synchronous ioengines. Use the 'windowsaio' ioengine"
714 " with 'direct=1' and 'iodepth=1' instead.\n");
715 ret = 1;
716 }
717#endif
718
719 /*
720 * For fully compressible data, just zero them at init time.
721 * It's faster than repeatedly filling it.
722 */
723 if (td->o.compress_percentage == 100) {
724 td->o.zero_buffers = 1;
725 td->o.compress_percentage = 0;
726 }
727
728 /*
729 * Using a non-uniform random distribution excludes usage of
730 * a random map
731 */
732 if (td->o.random_distribution != FIO_RAND_DIST_RANDOM)
733 td->o.norandommap = 1;
734
735 /*
736 * If size is set but less than the min block size, complain
737 */
738 if (o->size && o->size < td_min_bs(td)) {
739 log_err("fio: size too small, must be larger than the IO size: %llu\n", (unsigned long long) o->size);
740 ret = 1;
741 }
742
743 /*
744 * O_ATOMIC implies O_DIRECT
745 */
746 if (td->o.oatomic)
747 td->o.odirect = 1;
748
749 /*
750 * If randseed is set, that overrides randrepeat
751 */
752 if (td->o.rand_seed)
753 td->o.rand_repeatable = 0;
754
755 if ((td->io_ops->flags & FIO_NOEXTEND) && td->o.file_append) {
756 log_err("fio: can't append/extent with IO engine %s\n", td->io_ops->name);
757 ret = 1;
758 }
759
760 if (fio_option_is_set(o, gtod_cpu)) {
761 fio_gtod_init();
762 fio_gtod_set_cpu(o->gtod_cpu);
763 fio_gtod_offload = 1;
764 }
765
766 td->loops = o->loops;
767 if (!td->loops)
768 td->loops = 1;
769
770 if (td->o.block_error_hist && td->o.nr_files != 1) {
771 log_err("fio: block error histogram only available with "
772 "with a single file per job, but %d files "
773 "provided\n", td->o.nr_files);
774 ret = 1;
775 }
776
777 return ret;
778}
779
780/*
781 * This function leaks the buffer
782 */
783char *fio_uint_to_kmg(unsigned int val)
784{
785 char *buf = malloc(32);
786 char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 };
787 char *p = post;
788
789 do {
790 if (val & 1023)
791 break;
792
793 val >>= 10;
794 p++;
795 } while (*p);
796
797 snprintf(buf, 32, "%u%c", val, *p);
798 return buf;
799}
800
801/* External engines are specified by "external:name.o") */
802static const char *get_engine_name(const char *str)
803{
804 char *p = strstr(str, ":");
805
806 if (!p)
807 return str;
808
809 p++;
810 strip_blank_front(&p);
811 strip_blank_end(p);
812 return p;
813}
814
815static int exists_and_not_file(const char *filename)
816{
817 struct stat sb;
818
819 if (lstat(filename, &sb) == -1)
820 return 0;
821
822 /* \\.\ is the device namespace in Windows, where every file
823 * is a device node */
824 if (S_ISREG(sb.st_mode) && strncmp(filename, "\\\\.\\", 4) != 0)
825 return 0;
826
827 return 1;
828}
829
830static void td_fill_rand_seeds_internal(struct thread_data *td)
831{
832 init_rand_seed(&td->bsrange_state, td->rand_seeds[FIO_RAND_BS_OFF]);
833 init_rand_seed(&td->verify_state, td->rand_seeds[FIO_RAND_VER_OFF]);
834 init_rand_seed(&td->rwmix_state, td->rand_seeds[FIO_RAND_MIX_OFF]);
835
836 if (td->o.file_service_type == FIO_FSERVICE_RANDOM)
837 init_rand_seed(&td->next_file_state, td->rand_seeds[FIO_RAND_FILE_OFF]);
838
839 init_rand_seed(&td->file_size_state, td->rand_seeds[FIO_RAND_FILE_SIZE_OFF]);
840 init_rand_seed(&td->trim_state, td->rand_seeds[FIO_RAND_TRIM_OFF]);
841 init_rand_seed(&td->delay_state, td->rand_seeds[FIO_RAND_START_DELAY]);
842
843 if (!td_random(td))
844 return;
845
846 if (td->o.rand_repeatable)
847 td->rand_seeds[FIO_RAND_BLOCK_OFF] = FIO_RANDSEED * td->thread_number;
848
849 init_rand_seed(&td->random_state, td->rand_seeds[FIO_RAND_BLOCK_OFF]);
850 init_rand_seed(&td->seq_rand_state[DDIR_READ], td->rand_seeds[FIO_RAND_SEQ_RAND_READ_OFF]);
851 init_rand_seed(&td->seq_rand_state[DDIR_WRITE], td->rand_seeds[FIO_RAND_SEQ_RAND_WRITE_OFF]);
852 init_rand_seed(&td->seq_rand_state[DDIR_TRIM], td->rand_seeds[FIO_RAND_SEQ_RAND_TRIM_OFF]);
853}
854
855void td_fill_rand_seeds(struct thread_data *td)
856{
857 if (td->o.allrand_repeatable) {
858 unsigned int i;
859
860 for (i = 0; i < FIO_RAND_NR_OFFS; i++)
861 td->rand_seeds[i] = FIO_RANDSEED * td->thread_number
862 + i;
863 }
864
865 td_fill_rand_seeds_internal(td);
866
867 init_rand_seed(&td->buf_state, td->rand_seeds[FIO_RAND_BUF_OFF]);
868 frand_copy(&td->buf_state_prev, &td->buf_state);
869
870 init_rand_seed(&td->dedupe_state, td->rand_seeds[FIO_DEDUPE_OFF]);
871}
872
873/*
874 * Initializes the ioengine configured for a job, if it has not been done so
875 * already.
876 */
877int ioengine_load(struct thread_data *td)
878{
879 const char *engine;
880
881 /*
882 * Engine has already been loaded.
883 */
884 if (td->io_ops)
885 return 0;
886 if (!td->o.ioengine) {
887 log_err("fio: internal fault, no IO engine specified\n");
888 return 1;
889 }
890
891 engine = get_engine_name(td->o.ioengine);
892 td->io_ops = load_ioengine(td, engine);
893 if (!td->io_ops) {
894 log_err("fio: failed to load engine %s\n", engine);
895 return 1;
896 }
897
898 if (td->io_ops->option_struct_size && td->io_ops->options) {
899 /*
900 * In cases where td->eo is set, clone it for a child thread.
901 * This requires that the parent thread has the same ioengine,
902 * but that requirement must be enforced by the code which
903 * cloned the thread.
904 */
905 void *origeo = td->eo;
906 /*
907 * Otherwise use the default thread options.
908 */
909 if (!origeo && td != &def_thread && def_thread.eo &&
910 def_thread.io_ops->options == td->io_ops->options)
911 origeo = def_thread.eo;
912
913 options_init(td->io_ops->options);
914 td->eo = malloc(td->io_ops->option_struct_size);
915 /*
916 * Use the default thread as an option template if this uses the
917 * same options structure and there are non-default options
918 * used.
919 */
920 if (origeo) {
921 memcpy(td->eo, origeo, td->io_ops->option_struct_size);
922 options_mem_dupe(td->eo, td->io_ops->options);
923 } else {
924 memset(td->eo, 0, td->io_ops->option_struct_size);
925 fill_default_options(td->eo, td->io_ops->options);
926 }
927 *(struct thread_data **)td->eo = td;
928 }
929
930 return 0;
931}
932
933static void init_flags(struct thread_data *td)
934{
935 struct thread_options *o = &td->o;
936
937 if (o->verify_backlog)
938 td->flags |= TD_F_VER_BACKLOG;
939 if (o->trim_backlog)
940 td->flags |= TD_F_TRIM_BACKLOG;
941 if (o->read_iolog_file)
942 td->flags |= TD_F_READ_IOLOG;
943 if (o->refill_buffers)
944 td->flags |= TD_F_REFILL_BUFFERS;
945 /*
946 * Always scramble buffers if asked to
947 */
948 if (o->scramble_buffers && fio_option_is_set(o, scramble_buffers))
949 td->flags |= TD_F_SCRAMBLE_BUFFERS;
950 /*
951 * But also scramble buffers, unless we were explicitly asked
952 * to zero them.
953 */
954 if (o->scramble_buffers && !(o->zero_buffers &&
955 fio_option_is_set(o, zero_buffers)))
956 td->flags |= TD_F_SCRAMBLE_BUFFERS;
957 if (o->verify != VERIFY_NONE)
958 td->flags |= TD_F_VER_NONE;
959
960 if (o->verify_async || o->io_submit_mode == IO_MODE_OFFLOAD)
961 td->flags |= TD_F_NEED_LOCK;
962}
963
964static int setup_random_seeds(struct thread_data *td)
965{
966 unsigned long seed;
967 unsigned int i;
968
969 if (!td->o.rand_repeatable && !td->o.rand_seed)
970 return init_random_state(td, td->rand_seeds, sizeof(td->rand_seeds));
971
972 if (!td->o.rand_seed)
973 seed = 0x89;
974 else
975 seed = td->o.rand_seed;
976
977 for (i = 0; i < 4; i++)
978 seed *= 0x9e370001UL;
979
980 for (i = 0; i < FIO_RAND_NR_OFFS; i++) {
981 td->rand_seeds[i] = seed;
982 seed *= 0x9e370001UL;
983 }
984
985 td_fill_rand_seeds(td);
986 return 0;
987}
988
989enum {
990 FPRE_NONE = 0,
991 FPRE_JOBNAME,
992 FPRE_JOBNUM,
993 FPRE_FILENUM
994};
995
996static struct fpre_keyword {
997 const char *keyword;
998 size_t strlen;
999 int key;
1000} fpre_keywords[] = {
1001 { .keyword = "$jobname", .key = FPRE_JOBNAME, },
1002 { .keyword = "$jobnum", .key = FPRE_JOBNUM, },
1003 { .keyword = "$filenum", .key = FPRE_FILENUM, },
1004 { .keyword = NULL, },
1005 };
1006
1007static char *make_filename(char *buf, size_t buf_size,struct thread_options *o,
1008 const char *jobname, int jobnum, int filenum)
1009{
1010 struct fpre_keyword *f;
1011 char copy[PATH_MAX];
1012 size_t dst_left = PATH_MAX - 1;
1013
1014 if (!o->filename_format || !strlen(o->filename_format)) {
1015 sprintf(buf, "%s.%d.%d", jobname, jobnum, filenum);
1016 return NULL;
1017 }
1018
1019 for (f = &fpre_keywords[0]; f->keyword; f++)
1020 f->strlen = strlen(f->keyword);
1021
1022 buf[buf_size - 1] = '\0';
1023 strncpy(buf, o->filename_format, buf_size - 1);
1024
1025 memset(copy, 0, sizeof(copy));
1026 for (f = &fpre_keywords[0]; f->keyword; f++) {
1027 do {
1028 size_t pre_len, post_start = 0;
1029 char *str, *dst = copy;
1030
1031 str = strcasestr(buf, f->keyword);
1032 if (!str)
1033 break;
1034
1035 pre_len = str - buf;
1036 if (strlen(str) != f->strlen)
1037 post_start = pre_len + f->strlen;
1038
1039 if (pre_len) {
1040 strncpy(dst, buf, pre_len);
1041 dst += pre_len;
1042 dst_left -= pre_len;
1043 }
1044
1045 switch (f->key) {
1046 case FPRE_JOBNAME: {
1047 int ret;
1048
1049 ret = snprintf(dst, dst_left, "%s", jobname);
1050 if (ret < 0)
1051 break;
1052 else if (ret > dst_left) {
1053 log_err("fio: truncated filename\n");
1054 dst += dst_left;
1055 dst_left = 0;
1056 } else {
1057 dst += ret;
1058 dst_left -= ret;
1059 }
1060 break;
1061 }
1062 case FPRE_JOBNUM: {
1063 int ret;
1064
1065 ret = snprintf(dst, dst_left, "%d", jobnum);
1066 if (ret < 0)
1067 break;
1068 else if (ret > dst_left) {
1069 log_err("fio: truncated filename\n");
1070 dst += dst_left;
1071 dst_left = 0;
1072 } else {
1073 dst += ret;
1074 dst_left -= ret;
1075 }
1076 break;
1077 }
1078 case FPRE_FILENUM: {
1079 int ret;
1080
1081 ret = snprintf(dst, dst_left, "%d", filenum);
1082 if (ret < 0)
1083 break;
1084 else if (ret > dst_left) {
1085 log_err("fio: truncated filename\n");
1086 dst += dst_left;
1087 dst_left = 0;
1088 } else {
1089 dst += ret;
1090 dst_left -= ret;
1091 }
1092 break;
1093 }
1094 default:
1095 assert(0);
1096 break;
1097 }
1098
1099 if (post_start)
1100 strncpy(dst, buf + post_start, dst_left);
1101
1102 strncpy(buf, copy, buf_size - 1);
1103 } while (1);
1104 }
1105
1106 return buf;
1107}
1108
1109int parse_dryrun(void)
1110{
1111 return dump_cmdline || parse_only;
1112}
1113
1114/*
1115 * Adds a job to the list of things todo. Sanitizes the various options
1116 * to make sure we don't have conflicts, and initializes various
1117 * members of td.
1118 */
1119static int add_job(struct thread_data *td, const char *jobname, int job_add_num,
1120 int recursed, int client_type)
1121{
1122 unsigned int i;
1123 char fname[PATH_MAX];
1124 int numjobs, file_alloced;
1125 struct thread_options *o = &td->o;
1126 char logname[PATH_MAX + 32];
1127
1128 /*
1129 * the def_thread is just for options, it's not a real job
1130 */
1131 if (td == &def_thread)
1132 return 0;
1133
1134 init_flags(td);
1135
1136 /*
1137 * if we are just dumping the output command line, don't add the job
1138 */
1139 if (parse_dryrun()) {
1140 put_job(td);
1141 return 0;
1142 }
1143
1144 td->client_type = client_type;
1145
1146 if (profile_td_init(td))
1147 goto err;
1148
1149 if (ioengine_load(td))
1150 goto err;
1151
1152 if (o->odirect)
1153 td->io_ops->flags |= FIO_RAWIO;
1154
1155 file_alloced = 0;
1156 if (!o->filename && !td->files_index && !o->read_iolog_file) {
1157 file_alloced = 1;
1158
1159 if (o->nr_files == 1 && exists_and_not_file(jobname))
1160 add_file(td, jobname, job_add_num, 0);
1161 else {
1162 for (i = 0; i < o->nr_files; i++)
1163 add_file(td, make_filename(fname, sizeof(fname), o, jobname, job_add_num, i), job_add_num, 0);
1164 }
1165 }
1166
1167 if (fixup_options(td))
1168 goto err;
1169
1170 flow_init_job(td);
1171
1172 /*
1173 * IO engines only need this for option callbacks, and the address may
1174 * change in subprocesses.
1175 */
1176 if (td->eo)
1177 *(struct thread_data **)td->eo = NULL;
1178
1179 if (td->io_ops->flags & FIO_DISKLESSIO) {
1180 struct fio_file *f;
1181
1182 for_each_file(td, f, i)
1183 f->real_file_size = -1ULL;
1184 }
1185
1186 td->mutex = fio_mutex_init(FIO_MUTEX_LOCKED);
1187
1188 td->ts.clat_percentiles = o->clat_percentiles;
1189 td->ts.percentile_precision = o->percentile_precision;
1190 memcpy(td->ts.percentile_list, o->percentile_list, sizeof(o->percentile_list));
1191
1192 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
1193 td->ts.clat_stat[i].min_val = ULONG_MAX;
1194 td->ts.slat_stat[i].min_val = ULONG_MAX;
1195 td->ts.lat_stat[i].min_val = ULONG_MAX;
1196 td->ts.bw_stat[i].min_val = ULONG_MAX;
1197 }
1198 td->ddir_seq_nr = o->ddir_seq_nr;
1199
1200 if ((o->stonewall || o->new_group) && prev_group_jobs) {
1201 prev_group_jobs = 0;
1202 groupid++;
1203 }
1204
1205 td->groupid = groupid;
1206 prev_group_jobs++;
1207
1208 if (setup_random_seeds(td)) {
1209 td_verror(td, errno, "init_random_state");
1210 goto err;
1211 }
1212
1213 if (setup_rate(td))
1214 goto err;
1215
1216 if (o->lat_log_file) {
1217 struct log_params p = {
1218 .td = td,
1219 .avg_msec = o->log_avg_msec,
1220 .log_type = IO_LOG_TYPE_LAT,
1221 .log_offset = o->log_offset,
1222 .log_gz = o->log_gz,
1223 .log_gz_store = o->log_gz_store,
1224 };
1225 const char *suf;
1226
1227 if (p.log_gz_store)
1228 suf = "log.fz";
1229 else
1230 suf = "log";
1231
1232 snprintf(logname, sizeof(logname), "%s_lat.%d.%s",
1233 o->lat_log_file, td->thread_number, suf);
1234 setup_log(&td->lat_log, &p, logname);
1235 snprintf(logname, sizeof(logname), "%s_slat.%d.%s",
1236 o->lat_log_file, td->thread_number, suf);
1237 setup_log(&td->slat_log, &p, logname);
1238 snprintf(logname, sizeof(logname), "%s_clat.%d.%s",
1239 o->lat_log_file, td->thread_number, suf);
1240 setup_log(&td->clat_log, &p, logname);
1241 }
1242 if (o->bw_log_file) {
1243 struct log_params p = {
1244 .td = td,
1245 .avg_msec = o->log_avg_msec,
1246 .log_type = IO_LOG_TYPE_BW,
1247 .log_offset = o->log_offset,
1248 .log_gz = o->log_gz,
1249 .log_gz_store = o->log_gz_store,
1250 };
1251 const char *suf;
1252
1253 if (p.log_gz_store)
1254 suf = "log.fz";
1255 else
1256 suf = "log";
1257
1258 snprintf(logname, sizeof(logname), "%s_bw.%d.%s",
1259 o->bw_log_file, td->thread_number, suf);
1260 setup_log(&td->bw_log, &p, logname);
1261 }
1262 if (o->iops_log_file) {
1263 struct log_params p = {
1264 .td = td,
1265 .avg_msec = o->log_avg_msec,
1266 .log_type = IO_LOG_TYPE_IOPS,
1267 .log_offset = o->log_offset,
1268 .log_gz = o->log_gz,
1269 .log_gz_store = o->log_gz_store,
1270 };
1271 const char *suf;
1272
1273 if (p.log_gz_store)
1274 suf = "log.fz";
1275 else
1276 suf = "log";
1277
1278 snprintf(logname, sizeof(logname), "%s_iops.%d.%s",
1279 o->iops_log_file, td->thread_number, suf);
1280 setup_log(&td->iops_log, &p, logname);
1281 }
1282
1283 if (!o->name)
1284 o->name = strdup(jobname);
1285
1286 if (output_format == FIO_OUTPUT_NORMAL) {
1287 if (!job_add_num) {
1288 if (is_backend && !recursed)
1289 fio_server_send_add_job(td);
1290
1291 if (!(td->io_ops->flags & FIO_NOIO)) {
1292 char *c1, *c2, *c3, *c4;
1293 char *c5 = NULL, *c6 = NULL;
1294
1295 c1 = fio_uint_to_kmg(o->min_bs[DDIR_READ]);
1296 c2 = fio_uint_to_kmg(o->max_bs[DDIR_READ]);
1297 c3 = fio_uint_to_kmg(o->min_bs[DDIR_WRITE]);
1298 c4 = fio_uint_to_kmg(o->max_bs[DDIR_WRITE]);
1299
1300 if (!o->bs_is_seq_rand) {
1301 c5 = fio_uint_to_kmg(o->min_bs[DDIR_TRIM]);
1302 c6 = fio_uint_to_kmg(o->max_bs[DDIR_TRIM]);
1303 }
1304
1305 log_info("%s: (g=%d): rw=%s, ", td->o.name,
1306 td->groupid,
1307 ddir_str(o->td_ddir));
1308
1309 if (o->bs_is_seq_rand)
1310 log_info("bs(seq/rand)=%s-%s/%s-%s, ",
1311 c1, c2, c3, c4);
1312 else
1313 log_info("bs=%s-%s/%s-%s/%s-%s, ",
1314 c1, c2, c3, c4, c5, c6);
1315
1316 log_info("ioengine=%s, iodepth=%u\n",
1317 td->io_ops->name, o->iodepth);
1318
1319 free(c1);
1320 free(c2);
1321 free(c3);
1322 free(c4);
1323 free(c5);
1324 free(c6);
1325 }
1326 } else if (job_add_num == 1)
1327 log_info("...\n");
1328 }
1329
1330 /*
1331 * recurse add identical jobs, clear numjobs and stonewall options
1332 * as they don't apply to sub-jobs
1333 */
1334 numjobs = o->numjobs;
1335 while (--numjobs) {
1336 struct thread_data *td_new = get_new_job(0, td, 1, jobname);
1337
1338 if (!td_new)
1339 goto err;
1340
1341 td_new->o.numjobs = 1;
1342 td_new->o.stonewall = 0;
1343 td_new->o.new_group = 0;
1344 td_new->subjob_number = numjobs;
1345
1346 if (file_alloced) {
1347 if (td_new->files) {
1348 struct fio_file *f;
1349 for_each_file(td_new, f, i) {
1350 if (f->file_name)
1351 sfree(f->file_name);
1352 sfree(f);
1353 }
1354 free(td_new->files);
1355 td_new->files = NULL;
1356 }
1357 td_new->files_index = 0;
1358 td_new->files_size = 0;
1359 if (td_new->o.filename) {
1360 free(td_new->o.filename);
1361 td_new->o.filename = NULL;
1362 }
1363 }
1364
1365 if (add_job(td_new, jobname, numjobs, 1, client_type))
1366 goto err;
1367 }
1368
1369 return 0;
1370err:
1371 put_job(td);
1372 return -1;
1373}
1374
1375/*
1376 * Parse as if 'o' was a command line
1377 */
1378void add_job_opts(const char **o, int client_type)
1379{
1380 struct thread_data *td, *td_parent;
1381 int i, in_global = 1;
1382 char jobname[32];
1383
1384 i = 0;
1385 td_parent = td = NULL;
1386 while (o[i]) {
1387 if (!strncmp(o[i], "name", 4)) {
1388 in_global = 0;
1389 if (td)
1390 add_job(td, jobname, 0, 0, client_type);
1391 td = NULL;
1392 sprintf(jobname, "%s", o[i] + 5);
1393 }
1394 if (in_global && !td_parent)
1395 td_parent = get_new_job(1, &def_thread, 0, jobname);
1396 else if (!in_global && !td) {
1397 if (!td_parent)
1398 td_parent = &def_thread;
1399 td = get_new_job(0, td_parent, 0, jobname);
1400 }
1401 if (in_global)
1402 fio_options_parse(td_parent, (char **) &o[i], 1, 0);
1403 else
1404 fio_options_parse(td, (char **) &o[i], 1, 0);
1405 i++;
1406 }
1407
1408 if (td)
1409 add_job(td, jobname, 0, 0, client_type);
1410}
1411
1412static int skip_this_section(const char *name)
1413{
1414 int i;
1415
1416 if (!nr_job_sections)
1417 return 0;
1418 if (!strncmp(name, "global", 6))
1419 return 0;
1420
1421 for (i = 0; i < nr_job_sections; i++)
1422 if (!strcmp(job_sections[i], name))
1423 return 0;
1424
1425 return 1;
1426}
1427
1428static int is_empty_or_comment(char *line)
1429{
1430 unsigned int i;
1431
1432 for (i = 0; i < strlen(line); i++) {
1433 if (line[i] == ';')
1434 return 1;
1435 if (line[i] == '#')
1436 return 1;
1437 if (!isspace((int) line[i]) && !iscntrl((int) line[i]))
1438 return 0;
1439 }
1440
1441 return 1;
1442}
1443
1444/*
1445 * This is our [ini] type file parser.
1446 */
1447int __parse_jobs_ini(struct thread_data *td,
1448 char *file, int is_buf, int stonewall_flag, int type,
1449 int nested, char *name, char ***popts, int *aopts, int *nopts)
1450{
1451 unsigned int global = 0;
1452 char *string;
1453 FILE *f;
1454 char *p;
1455 int ret = 0, stonewall;
1456 int first_sect = 1;
1457 int skip_fgets = 0;
1458 int inside_skip = 0;
1459 char **opts;
1460 int i, alloc_opts, num_opts;
1461
1462 dprint(FD_PARSE, "Parsing ini file %s\n", file);
1463 assert(td || !nested);
1464
1465 if (is_buf)
1466 f = NULL;
1467 else {
1468 if (!strcmp(file, "-"))
1469 f = stdin;
1470 else
1471 f = fopen(file, "r");
1472
1473 if (!f) {
1474 int __err = errno;
1475
1476 log_err("fio: unable to open '%s' job file\n", file);
1477 if (td)
1478 td_verror(td, __err, "job file open");
1479 return 1;
1480 }
1481 }
1482
1483 string = malloc(4096);
1484
1485 /*
1486 * it's really 256 + small bit, 280 should suffice
1487 */
1488 if (!nested) {
1489 name = malloc(280);
1490 memset(name, 0, 280);
1491 }
1492
1493 opts = NULL;
1494 if (nested && popts) {
1495 opts = *popts;
1496 alloc_opts = *aopts;
1497 num_opts = *nopts;
1498 }
1499
1500 if (!opts) {
1501 alloc_opts = 8;
1502 opts = malloc(sizeof(char *) * alloc_opts);
1503 num_opts = 0;
1504 }
1505
1506 stonewall = stonewall_flag;
1507 do {
1508 /*
1509 * if skip_fgets is set, we already have loaded a line we
1510 * haven't handled.
1511 */
1512 if (!skip_fgets) {
1513 if (is_buf)
1514 p = strsep(&file, "\n");
1515 else
1516 p = fgets(string, 4096, f);
1517 if (!p)
1518 break;
1519 }
1520
1521 skip_fgets = 0;
1522 strip_blank_front(&p);
1523 strip_blank_end(p);
1524
1525 dprint(FD_PARSE, "%s\n", p);
1526 if (is_empty_or_comment(p))
1527 continue;
1528
1529 if (!nested) {
1530 if (sscanf(p, "[%255[^\n]]", name) != 1) {
1531 if (inside_skip)
1532 continue;
1533
1534 log_err("fio: option <%s> outside of "
1535 "[] job section\n", p);
1536 ret = 1;
1537 break;
1538 }
1539
1540 name[strlen(name) - 1] = '\0';
1541
1542 if (skip_this_section(name)) {
1543 inside_skip = 1;
1544 continue;
1545 } else
1546 inside_skip = 0;
1547
1548 dprint(FD_PARSE, "Parsing section [%s]\n", name);
1549
1550 global = !strncmp(name, "global", 6);
1551
1552 if (dump_cmdline) {
1553 if (first_sect)
1554 log_info("fio ");
1555 if (!global)
1556 log_info("--name=%s ", name);
1557 first_sect = 0;
1558 }
1559
1560 td = get_new_job(global, &def_thread, 0, name);
1561 if (!td) {
1562 ret = 1;
1563 break;
1564 }
1565
1566 /*
1567 * Separate multiple job files by a stonewall
1568 */
1569 if (!global && stonewall) {
1570 td->o.stonewall = stonewall;
1571 stonewall = 0;
1572 }
1573
1574 num_opts = 0;
1575 memset(opts, 0, alloc_opts * sizeof(char *));
1576 }
1577 else
1578 skip_fgets = 1;
1579
1580 while (1) {
1581 if (!skip_fgets) {
1582 if (is_buf)
1583 p = strsep(&file, "\n");
1584 else
1585 p = fgets(string, 4096, f);
1586 if (!p)
1587 break;
1588 dprint(FD_PARSE, "%s", p);
1589 }
1590 else
1591 skip_fgets = 0;
1592
1593 if (is_empty_or_comment(p))
1594 continue;
1595
1596 strip_blank_front(&p);
1597
1598 /*
1599 * new section, break out and make sure we don't
1600 * fgets() a new line at the top.
1601 */
1602 if (p[0] == '[') {
1603 if (nested) {
1604 log_err("No new sections in included files\n");
1605 return 1;
1606 }
1607
1608 skip_fgets = 1;
1609 break;
1610 }
1611
1612 strip_blank_end(p);
1613
1614 if (!strncmp(p, "include", strlen("include"))) {
1615 char *filename = p + strlen("include") + 1;
1616
1617 if ((ret = __parse_jobs_ini(td, filename,
1618 is_buf, stonewall_flag, type, 1,
1619 name, &opts, &alloc_opts, &num_opts))) {
1620 log_err("Error %d while parsing include file %s\n",
1621 ret, filename);
1622 break;
1623 }
1624 continue;
1625 }
1626
1627 if (num_opts == alloc_opts) {
1628 alloc_opts <<= 1;
1629 opts = realloc(opts,
1630 alloc_opts * sizeof(char *));
1631 }
1632
1633 opts[num_opts] = strdup(p);
1634 num_opts++;
1635 }
1636
1637 if (nested) {
1638 *popts = opts;
1639 *aopts = alloc_opts;
1640 *nopts = num_opts;
1641 goto out;
1642 }
1643
1644 ret = fio_options_parse(td, opts, num_opts, dump_cmdline);
1645 if (!ret)
1646 ret = add_job(td, name, 0, 0, type);
1647 else {
1648 log_err("fio: job %s dropped\n", name);
1649 put_job(td);
1650 }
1651
1652 for (i = 0; i < num_opts; i++)
1653 free(opts[i]);
1654 num_opts = 0;
1655 } while (!ret);
1656
1657 if (dump_cmdline)
1658 log_info("\n");
1659
1660 i = 0;
1661 while (i < nr_job_sections) {
1662 free(job_sections[i]);
1663 i++;
1664 }
1665
1666 free(opts);
1667out:
1668 free(string);
1669 if (!nested)
1670 free(name);
1671 if (!is_buf && f != stdin)
1672 fclose(f);
1673 return ret;
1674}
1675
1676int parse_jobs_ini(char *file, int is_buf, int stonewall_flag, int type)
1677{
1678 return __parse_jobs_ini(NULL, file, is_buf, stonewall_flag, type,
1679 0, NULL, NULL, NULL, NULL);
1680}
1681
1682static int fill_def_thread(void)
1683{
1684 memset(&def_thread, 0, sizeof(def_thread));
1685
1686 fio_getaffinity(getpid(), &def_thread.o.cpumask);
1687 def_thread.o.error_dump = 1;
1688
1689 /*
1690 * fill default options
1691 */
1692 fio_fill_default_options(&def_thread);
1693 return 0;
1694}
1695
1696static void usage(const char *name)
1697{
1698 printf("%s\n", fio_version_string);
1699 printf("%s [options] [job options] <job file(s)>\n", name);
1700 printf(" --debug=options\tEnable debug logging. May be one/more of:\n"
1701 "\t\t\tprocess,file,io,mem,blktrace,verify,random,parse,\n"
1702 "\t\t\tdiskutil,job,mutex,profile,time,net,rate,compress\n");
1703 printf(" --parse-only\t\tParse options only, don't start any IO\n");
1704 printf(" --output\t\tWrite output to file\n");
1705 printf(" --runtime\t\tRuntime in seconds\n");
1706 printf(" --bandwidth-log\tGenerate per-job bandwidth logs\n");
1707 printf(" --minimal\t\tMinimal (terse) output\n");
1708 printf(" --output-format=x\tOutput format (terse,json,normal)\n");
1709 printf(" --terse-version=x\tSet terse version output format to 'x'\n");
1710 printf(" --version\t\tPrint version info and exit\n");
1711 printf(" --help\t\tPrint this page\n");
1712 printf(" --cpuclock-test\tPerform test/validation of CPU clock\n");
1713 printf(" --crctest\t\tTest speed of checksum functions\n");
1714 printf(" --cmdhelp=cmd\t\tPrint command help, \"all\" for all of"
1715 " them\n");
1716 printf(" --enghelp=engine\tPrint ioengine help, or list"
1717 " available ioengines\n");
1718 printf(" --enghelp=engine,cmd\tPrint help for an ioengine"
1719 " cmd\n");
1720 printf(" --showcmd\t\tTurn a job file into command line options\n");
1721 printf(" --eta=when\t\tWhen ETA estimate should be printed\n");
1722 printf(" \t\tMay be \"always\", \"never\" or \"auto\"\n");
1723 printf(" --eta-newline=time\tForce a new line for every 'time'");
1724 printf(" period passed\n");
1725 printf(" --status-interval=t\tForce full status dump every");
1726 printf(" 't' period passed\n");
1727 printf(" --readonly\t\tTurn on safety read-only checks, preventing"
1728 " writes\n");
1729 printf(" --section=name\tOnly run specified section in job file\n");
1730 printf(" --alloc-size=kb\tSet smalloc pool to this size in kb"
1731 " (def 1024)\n");
1732 printf(" --warnings-fatal\tFio parser warnings are fatal\n");
1733 printf(" --max-jobs=nr\t\tMaximum number of threads/processes to support\n");
1734 printf(" --server=args\t\tStart a backend fio server\n");
1735 printf(" --daemonize=pidfile\tBackground fio server, write pid to file\n");
1736 printf(" --client=hostname\tTalk to remote backend fio server at hostname\n");
1737 printf(" --remote-config=file\tTell fio server to load this local job file\n");
1738 printf(" --idle-prof=option\tReport cpu idleness on a system or percpu basis\n"
1739 "\t\t\t(option=system,percpu) or run unit work\n"
1740 "\t\t\tcalibration only (option=calibrate)\n");
1741#ifdef CONFIG_ZLIB
1742 printf(" --inflate-log=log\tInflate and output compressed log\n");
1743#endif
1744 printf(" --trigger-file=file\tExecute trigger cmd when file exists\n");
1745 printf(" --trigger-timeout=t\tExecute trigger af this time\n");
1746 printf(" --trigger=cmd\t\tSet this command as local trigger\n");
1747 printf(" --trigger-remote=cmd\tSet this command as remote trigger\n");
1748 printf("\nFio was written by Jens Axboe <jens.axboe@oracle.com>");
1749 printf("\n Jens Axboe <jaxboe@fusionio.com>");
1750 printf("\n Jens Axboe <axboe@fb.com>\n");
1751}
1752
1753#ifdef FIO_INC_DEBUG
1754struct debug_level debug_levels[] = {
1755 { .name = "process",
1756 .help = "Process creation/exit logging",
1757 .shift = FD_PROCESS,
1758 },
1759 { .name = "file",
1760 .help = "File related action logging",
1761 .shift = FD_FILE,
1762 },
1763 { .name = "io",
1764 .help = "IO and IO engine action logging (offsets, queue, completions, etc)",
1765 .shift = FD_IO,
1766 },
1767 { .name = "mem",
1768 .help = "Memory allocation/freeing logging",
1769 .shift = FD_MEM,
1770 },
1771 { .name = "blktrace",
1772 .help = "blktrace action logging",
1773 .shift = FD_BLKTRACE,
1774 },
1775 { .name = "verify",
1776 .help = "IO verification action logging",
1777 .shift = FD_VERIFY,
1778 },
1779 { .name = "random",
1780 .help = "Random generation logging",
1781 .shift = FD_RANDOM,
1782 },
1783 { .name = "parse",
1784 .help = "Parser logging",
1785 .shift = FD_PARSE,
1786 },
1787 { .name = "diskutil",
1788 .help = "Disk utility logging actions",
1789 .shift = FD_DISKUTIL,
1790 },
1791 { .name = "job",
1792 .help = "Logging related to creating/destroying jobs",
1793 .shift = FD_JOB,
1794 },
1795 { .name = "mutex",
1796 .help = "Mutex logging",
1797 .shift = FD_MUTEX
1798 },
1799 { .name = "profile",
1800 .help = "Logging related to profiles",
1801 .shift = FD_PROFILE,
1802 },
1803 { .name = "time",
1804 .help = "Logging related to time keeping functions",
1805 .shift = FD_TIME,
1806 },
1807 { .name = "net",
1808 .help = "Network logging",
1809 .shift = FD_NET,
1810 },
1811 { .name = "rate",
1812 .help = "Rate logging",
1813 .shift = FD_RATE,
1814 },
1815 { .name = "compress",
1816 .help = "Log compression logging",
1817 .shift = FD_COMPRESS,
1818 },
1819 { .name = NULL, },
1820};
1821
1822static int set_debug(const char *string)
1823{
1824 struct debug_level *dl;
1825 char *p = (char *) string;
1826 char *opt;
1827 int i;
1828
1829 if (!strcmp(string, "?") || !strcmp(string, "help")) {
1830 log_info("fio: dumping debug options:");
1831 for (i = 0; debug_levels[i].name; i++) {
1832 dl = &debug_levels[i];
1833 log_info("%s,", dl->name);
1834 }
1835 log_info("all\n");
1836 return 1;
1837 }
1838
1839 while ((opt = strsep(&p, ",")) != NULL) {
1840 int found = 0;
1841
1842 if (!strncmp(opt, "all", 3)) {
1843 log_info("fio: set all debug options\n");
1844 fio_debug = ~0UL;
1845 continue;
1846 }
1847
1848 for (i = 0; debug_levels[i].name; i++) {
1849 dl = &debug_levels[i];
1850 found = !strncmp(opt, dl->name, strlen(dl->name));
1851 if (!found)
1852 continue;
1853
1854 if (dl->shift == FD_JOB) {
1855 opt = strchr(opt, ':');
1856 if (!opt) {
1857 log_err("fio: missing job number\n");
1858 break;
1859 }
1860 opt++;
1861 fio_debug_jobno = atoi(opt);
1862 log_info("fio: set debug jobno %d\n",
1863 fio_debug_jobno);
1864 } else {
1865 log_info("fio: set debug option %s\n", opt);
1866 fio_debug |= (1UL << dl->shift);
1867 }
1868 break;
1869 }
1870
1871 if (!found)
1872 log_err("fio: debug mask %s not found\n", opt);
1873 }
1874 return 0;
1875}
1876#else
1877static int set_debug(const char *string)
1878{
1879 log_err("fio: debug tracing not included in build\n");
1880 return 1;
1881}
1882#endif
1883
1884static void fio_options_fill_optstring(void)
1885{
1886 char *ostr = cmd_optstr;
1887 int i, c;
1888
1889 c = i = 0;
1890 while (l_opts[i].name) {
1891 ostr[c++] = l_opts[i].val;
1892 if (l_opts[i].has_arg == required_argument)
1893 ostr[c++] = ':';
1894 else if (l_opts[i].has_arg == optional_argument) {
1895 ostr[c++] = ':';
1896 ostr[c++] = ':';
1897 }
1898 i++;
1899 }
1900 ostr[c] = '\0';
1901}
1902
1903static int client_flag_set(char c)
1904{
1905 int i;
1906
1907 i = 0;
1908 while (l_opts[i].name) {
1909 int val = l_opts[i].val;
1910
1911 if (c == (val & 0xff))
1912 return (val & FIO_CLIENT_FLAG);
1913
1914 i++;
1915 }
1916
1917 return 0;
1918}
1919
1920static void parse_cmd_client(void *client, char *opt)
1921{
1922 fio_client_add_cmd_option(client, opt);
1923}
1924
1925static void show_closest_option(const char *name)
1926{
1927 int best_option, best_distance;
1928 int i, distance;
1929
1930 while (*name == '-')
1931 name++;
1932
1933 best_option = -1;
1934 best_distance = INT_MAX;
1935 i = 0;
1936 while (l_opts[i].name) {
1937 distance = string_distance(name, l_opts[i].name);
1938 if (distance < best_distance) {
1939 best_distance = distance;
1940 best_option = i;
1941 }
1942 i++;
1943 }
1944
1945 if (best_option != -1)
1946 log_err("Did you mean %s?\n", l_opts[best_option].name);
1947}
1948
1949int parse_cmd_line(int argc, char *argv[], int client_type)
1950{
1951 struct thread_data *td = NULL;
1952 int c, ini_idx = 0, lidx, ret = 0, do_exit = 0, exit_val = 0;
1953 char *ostr = cmd_optstr;
1954 void *pid_file = NULL;
1955 void *cur_client = NULL;
1956 int backend = 0;
1957
1958 /*
1959 * Reset optind handling, since we may call this multiple times
1960 * for the backend.
1961 */
1962 optind = 1;
1963
1964 while ((c = getopt_long_only(argc, argv, ostr, l_opts, &lidx)) != -1) {
1965 if ((c & FIO_CLIENT_FLAG) || client_flag_set(c)) {
1966 parse_cmd_client(cur_client, argv[optind - 1]);
1967 c &= ~FIO_CLIENT_FLAG;
1968 }
1969
1970 switch (c) {
1971 case 'a':
1972 smalloc_pool_size = atoi(optarg);
1973 break;
1974 case 't':
1975 if (check_str_time(optarg, &def_timeout, 1)) {
1976 log_err("fio: failed parsing time %s\n", optarg);
1977 do_exit++;
1978 exit_val = 1;
1979 }
1980 break;
1981 case 'l':
1982 log_err("fio: --latency-log is deprecated. Use per-job latency log options.\n");
1983 do_exit++;
1984 exit_val = 1;
1985 break;
1986 case 'b':
1987 write_bw_log = 1;
1988 break;
1989 case 'o':
1990 if (f_out && f_out != stdout)
1991 fclose(f_out);
1992
1993 f_out = fopen(optarg, "w+");
1994 if (!f_out) {
1995 perror("fopen output");
1996 exit(1);
1997 }
1998 f_err = f_out;
1999 break;
2000 case 'm':
2001 output_format = FIO_OUTPUT_TERSE;
2002 break;
2003 case 'F':
2004 if (!optarg) {
2005 log_err("fio: missing --output-format argument\n");
2006 exit_val = 1;
2007 do_exit++;
2008 break;
2009 }
2010 if (!strcmp(optarg, "minimal") ||
2011 !strcmp(optarg, "terse") ||
2012 !strcmp(optarg, "csv"))
2013 output_format = FIO_OUTPUT_TERSE;
2014 else if (!strcmp(optarg, "json"))
2015 output_format = FIO_OUTPUT_JSON;
2016 else
2017 output_format = FIO_OUTPUT_NORMAL;
2018 break;
2019 case 'f':
2020 append_terse_output = 1;
2021 break;
2022 case 'h':
2023 did_arg = 1;
2024 if (!cur_client) {
2025 usage(argv[0]);
2026 do_exit++;
2027 }
2028 break;
2029 case 'c':
2030 did_arg = 1;
2031 if (!cur_client) {
2032 fio_show_option_help(optarg);
2033 do_exit++;
2034 }
2035 break;
2036 case 'i':
2037 did_arg = 1;
2038 if (!cur_client) {
2039 fio_show_ioengine_help(optarg);
2040 do_exit++;
2041 }
2042 break;
2043 case 's':
2044 did_arg = 1;
2045 dump_cmdline = 1;
2046 break;
2047 case 'r':
2048 read_only = 1;
2049 break;
2050 case 'v':
2051 did_arg = 1;
2052 if (!cur_client) {
2053 log_info("%s\n", fio_version_string);
2054 do_exit++;
2055 }
2056 break;
2057 case 'V':
2058 terse_version = atoi(optarg);
2059 if (!(terse_version == 2 || terse_version == 3 ||
2060 terse_version == 4)) {
2061 log_err("fio: bad terse version format\n");
2062 exit_val = 1;
2063 do_exit++;
2064 }
2065 break;
2066 case 'e':
2067 if (!strcmp("always", optarg))
2068 eta_print = FIO_ETA_ALWAYS;
2069 else if (!strcmp("never", optarg))
2070 eta_print = FIO_ETA_NEVER;
2071 break;
2072 case 'E': {
2073 long long t = 0;
2074
2075 if (check_str_time(optarg, &t, 1)) {
2076 log_err("fio: failed parsing eta time %s\n", optarg);
2077 exit_val = 1;
2078 do_exit++;
2079 }
2080 eta_new_line = t / 1000;
2081 break;
2082 }
2083 case 'd':
2084 if (set_debug(optarg))
2085 do_exit++;
2086 break;
2087 case 'P':
2088 did_arg = 1;
2089 parse_only = 1;
2090 break;
2091 case 'x': {
2092 size_t new_size;
2093
2094 if (!strcmp(optarg, "global")) {
2095 log_err("fio: can't use global as only "
2096 "section\n");
2097 do_exit++;
2098 exit_val = 1;
2099 break;
2100 }
2101 new_size = (nr_job_sections + 1) * sizeof(char *);
2102 job_sections = realloc(job_sections, new_size);
2103 job_sections[nr_job_sections] = strdup(optarg);
2104 nr_job_sections++;
2105 break;
2106 }
2107#ifdef CONFIG_ZLIB
2108 case 'X':
2109 exit_val = iolog_file_inflate(optarg);
2110 did_arg++;
2111 do_exit++;
2112 break;
2113#endif
2114 case 'p':
2115 did_arg = 1;
2116 if (exec_profile)
2117 free(exec_profile);
2118 exec_profile = strdup(optarg);
2119 break;
2120 case FIO_GETOPT_JOB: {
2121 const char *opt = l_opts[lidx].name;
2122 char *val = optarg;
2123
2124 if (!strncmp(opt, "name", 4) && td) {
2125 ret = add_job(td, td->o.name ?: "fio", 0, 0, client_type);
2126 if (ret)
2127 goto out_free;
2128 td = NULL;
2129 did_arg = 1;
2130 }
2131 if (!td) {
2132 int is_section = !strncmp(opt, "name", 4);
2133 int global = 0;
2134
2135 if (!is_section || !strncmp(val, "global", 6))
2136 global = 1;
2137
2138 if (is_section && skip_this_section(val))
2139 continue;
2140
2141 td = get_new_job(global, &def_thread, 1, NULL);
2142 if (!td || ioengine_load(td)) {
2143 if (td) {
2144 put_job(td);
2145 td = NULL;
2146 }
2147 do_exit++;
2148 exit_val = 1;
2149 break;
2150 }
2151 fio_options_set_ioengine_opts(l_opts, td);
2152 }
2153
2154 if ((!val || !strlen(val)) &&
2155 l_opts[lidx].has_arg == required_argument) {
2156 log_err("fio: option %s requires an argument\n", opt);
2157 ret = 1;
2158 } else
2159 ret = fio_cmd_option_parse(td, opt, val);
2160
2161 if (ret) {
2162 if (td) {
2163 put_job(td);
2164 td = NULL;
2165 }
2166 do_exit++;
2167 exit_val = 1;
2168 }
2169
2170 if (!ret && !strcmp(opt, "ioengine")) {
2171 free_ioengine(td);
2172 if (ioengine_load(td)) {
2173 put_job(td);
2174 td = NULL;
2175 do_exit++;
2176 exit_val = 1;
2177 break;
2178 }
2179 fio_options_set_ioengine_opts(l_opts, td);
2180 }
2181 break;
2182 }
2183 case FIO_GETOPT_IOENGINE: {
2184 const char *opt = l_opts[lidx].name;
2185 char *val = optarg;
2186
2187 if (!td)
2188 break;
2189
2190 ret = fio_cmd_ioengine_option_parse(td, opt, val);
2191 break;
2192 }
2193 case 'w':
2194 warnings_fatal = 1;
2195 break;
2196 case 'j':
2197 max_jobs = atoi(optarg);
2198 if (!max_jobs || max_jobs > REAL_MAX_JOBS) {
2199 log_err("fio: invalid max jobs: %d\n", max_jobs);
2200 do_exit++;
2201 exit_val = 1;
2202 }
2203 break;
2204 case 'S':
2205 did_arg = 1;
2206#ifndef CONFIG_NO_SHM
2207 if (nr_clients) {
2208 log_err("fio: can't be both client and server\n");
2209 do_exit++;
2210 exit_val = 1;
2211 break;
2212 }
2213 if (optarg)
2214 fio_server_set_arg(optarg);
2215 is_backend = 1;
2216 backend = 1;
2217#else
2218 log_err("fio: client/server requires SHM support\n");
2219 do_exit++;
2220 exit_val = 1;
2221#endif
2222 break;
2223 case 'D':
2224 if (pid_file)
2225 free(pid_file);
2226 pid_file = strdup(optarg);
2227 break;
2228 case 'I':
2229 if ((ret = fio_idle_prof_parse_opt(optarg))) {
2230 /* exit on error and calibration only */
2231 did_arg = 1;
2232 do_exit++;
2233 if (ret == -1)
2234 exit_val = 1;
2235 }
2236 break;
2237 case 'C':
2238 did_arg = 1;
2239 if (is_backend) {
2240 log_err("fio: can't be both client and server\n");
2241 do_exit++;
2242 exit_val = 1;
2243 break;
2244 }
2245 /* if --client parameter contains a pathname */
2246 if (0 == access(optarg, R_OK)) {
2247 /* file contains a list of host addrs or names */
2248 char hostaddr[_POSIX_HOST_NAME_MAX] = {0};
2249 char formatstr[8];
2250 FILE * hostf = fopen(optarg, "r");
2251 if (!hostf) {
2252 log_err("fio: could not open client list file %s for read\n", optarg);
2253 do_exit++;
2254 exit_val = 1;
2255 break;
2256 }
2257 sprintf(formatstr, "%%%ds", _POSIX_HOST_NAME_MAX-1);
2258 /* read at most _POSIX_HOST_NAME_MAX-1 chars from each record in this file */
2259 while (fscanf(hostf, formatstr, hostaddr) == 1) {
2260 /* expect EVERY host in file to be valid */
2261 if (fio_client_add(&fio_client_ops, hostaddr, &cur_client)) {
2262 log_err("fio: failed adding client %s from file %s\n", hostaddr, optarg);
2263 do_exit++;
2264 exit_val = 1;
2265 break;
2266 }
2267 }
2268 fclose(hostf);
2269 break; /* no possibility of job file for "this client only" */
2270 }
2271 if (fio_client_add(&fio_client_ops, optarg, &cur_client)) {
2272 log_err("fio: failed adding client %s\n", optarg);
2273 do_exit++;
2274 exit_val = 1;
2275 break;
2276 }
2277 /*
2278 * If the next argument exists and isn't an option,
2279 * assume it's a job file for this client only.
2280 */
2281 while (optind < argc) {
2282 if (!strncmp(argv[optind], "--", 2) ||
2283 !strncmp(argv[optind], "-", 1))
2284 break;
2285
2286 if (fio_client_add_ini_file(cur_client, argv[optind], 0))
2287 break;
2288 optind++;
2289 }
2290 break;
2291 case 'R':
2292 did_arg = 1;
2293 if (fio_client_add_ini_file(cur_client, optarg, 1)) {
2294 do_exit++;
2295 exit_val = 1;
2296 }
2297 break;
2298 case 'T':
2299 did_arg = 1;
2300 do_exit++;
2301 exit_val = fio_monotonic_clocktest(1);
2302 break;
2303 case 'G':
2304 did_arg = 1;
2305 do_exit++;
2306 exit_val = fio_crctest(optarg);
2307 break;
2308 case 'L': {
2309 long long val;
2310
2311 if (check_str_time(optarg, &val, 1)) {
2312 log_err("fio: failed parsing time %s\n", optarg);
2313 do_exit++;
2314 exit_val = 1;
2315 break;
2316 }
2317 status_interval = val / 1000;
2318 break;
2319 }
2320 case 'W':
2321 if (trigger_file)
2322 free(trigger_file);
2323 trigger_file = strdup(optarg);
2324 break;
2325 case 'H':
2326 if (trigger_cmd)
2327 free(trigger_cmd);
2328 trigger_cmd = strdup(optarg);
2329 break;
2330 case 'J':
2331 if (trigger_remote_cmd)
2332 free(trigger_remote_cmd);
2333 trigger_remote_cmd = strdup(optarg);
2334 break;
2335 case 'B':
2336 if (check_str_time(optarg, &trigger_timeout, 1)) {
2337 log_err("fio: failed parsing time %s\n", optarg);
2338 do_exit++;
2339 exit_val = 1;
2340 }
2341 trigger_timeout /= 1000000;
2342 break;
2343 case '?':
2344 log_err("%s: unrecognized option '%s'\n", argv[0],
2345 argv[optind - 1]);
2346 show_closest_option(argv[optind - 1]);
2347 default:
2348 do_exit++;
2349 exit_val = 1;
2350 break;
2351 }
2352 if (do_exit)
2353 break;
2354 }
2355
2356 if (do_exit && !(is_backend || nr_clients))
2357 exit(exit_val);
2358
2359 if (nr_clients && fio_clients_connect())
2360 exit(1);
2361
2362 if (is_backend && backend)
2363 return fio_start_server(pid_file);
2364 else if (pid_file)
2365 free(pid_file);
2366
2367 if (td) {
2368 if (!ret) {
2369 ret = add_job(td, td->o.name ?: "fio", 0, 0, client_type);
2370 if (ret)
2371 did_arg = 1;
2372 }
2373 }
2374
2375 while (!ret && optind < argc) {
2376 ini_idx++;
2377 ini_file = realloc(ini_file, ini_idx * sizeof(char *));
2378 ini_file[ini_idx - 1] = strdup(argv[optind]);
2379 optind++;
2380 }
2381
2382out_free:
2383 if (pid_file)
2384 free(pid_file);
2385
2386 return ini_idx;
2387}
2388
2389int fio_init_options(void)
2390{
2391 f_out = stdout;
2392 f_err = stderr;
2393
2394 fio_options_fill_optstring();
2395 fio_options_dup_and_init(l_opts);
2396
2397 atexit(free_shm);
2398
2399 if (fill_def_thread())
2400 return 1;
2401
2402 return 0;
2403}
2404
2405extern int fio_check_options(struct thread_options *);
2406
2407int parse_options(int argc, char *argv[])
2408{
2409 const int type = FIO_CLIENT_TYPE_CLI;
2410 int job_files, i;
2411
2412 if (fio_init_options())
2413 return 1;
2414 if (fio_test_cconv(&def_thread.o))
2415 log_err("fio: failed internal cconv test\n");
2416
2417 job_files = parse_cmd_line(argc, argv, type);
2418
2419 if (job_files > 0) {
2420 for (i = 0; i < job_files; i++) {
2421 if (i && fill_def_thread())
2422 return 1;
2423 if (nr_clients) {
2424 if (fio_clients_send_ini(ini_file[i]))
2425 return 1;
2426 free(ini_file[i]);
2427 } else if (!is_backend) {
2428 if (parse_jobs_ini(ini_file[i], 0, i, type))
2429 return 1;
2430 free(ini_file[i]);
2431 }
2432 }
2433 } else if (nr_clients) {
2434 if (fill_def_thread())
2435 return 1;
2436 if (fio_clients_send_ini(NULL))
2437 return 1;
2438 }
2439
2440 free(ini_file);
2441 fio_options_free(&def_thread);
2442 filesetup_mem_free();
2443
2444 if (!thread_number) {
2445 if (parse_dryrun())
2446 return 0;
2447 if (exec_profile)
2448 return 0;
2449 if (is_backend || nr_clients)
2450 return 0;
2451 if (did_arg)
2452 return 0;
2453
2454 log_err("No jobs(s) defined\n\n");
2455
2456 if (!did_arg) {
2457 usage(argv[0]);
2458 return 1;
2459 }
2460
2461 return 0;
2462 }
2463
2464 if (output_format == FIO_OUTPUT_NORMAL)
2465 log_info("%s\n", fio_version_string);
2466
2467 return 0;
2468}
2469
2470void options_default_fill(struct thread_options *o)
2471{
2472 memcpy(o, &def_thread.o, sizeof(*o));
2473}
fio - Flexible IO Tester