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
34 const char fio_version_string[] = FIO_VERSION;
35
36 #define FIO_RANDSEED (0xb1899bedUL)
37
38 static char **ini_file;
39 static int max_jobs = FIO_MAX_JOBS;
40 static int dump_cmdline;
41 static long long def_timeout;
42 static int parse_only;
43
44 static struct thread_data def_thread;
45 struct thread_data *threads = NULL;
46 static char **job_sections;
47 static int nr_job_sections;
48
49 int exitall_on_terminate = 0;
50 int output_format = FIO_OUTPUT_NORMAL;
51 int append_terse_output = 0;
52 int eta_print = FIO_ETA_AUTO;
53 int eta_new_line = 0;
54 FILE *f_out = NULL;
55 FILE *f_err = NULL;
56 char *exec_profile = NULL;
57 int warnings_fatal = 0;
58 int terse_version = 3;
59 int is_backend = 0;
60 int nr_clients = 0;
61 int log_syslog = 0;
62
63 int write_bw_log = 0;
64 int read_only = 0;
65 int status_interval = 0;
66
67 char *trigger_file = NULL;
68 long long trigger_timeout = 0;
69 char *trigger_cmd = NULL;
70 char *trigger_remote_cmd = NULL;
71
72 static int prev_group_jobs;
73
74 unsigned long fio_debug = 0;
75 unsigned int fio_debug_jobno = -1;
76 unsigned int *fio_debug_jobp = NULL;
77
78 static char cmd_optstr[256];
79 static 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 */
87 static 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
free_threads_shm(void)274 void 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
free_shm(void)292 static 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 */
setup_thread_area(void)317 static 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
set_cmd_options(struct thread_data * td)373 static 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 */
get_new_job(int global,struct thread_data * parent,int preserve_eo,const char * jobname)384 static 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
put_job(struct thread_data * td)430 static 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
__setup_rate(struct thread_data * td,enum fio_ddir ddir)452 static 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
setup_rate(struct thread_data * td)472 static 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
fixed_block_size(struct thread_options * o)486 static 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
get_rand_start_delay(struct thread_data * td)496 static 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 */
fixup_options(struct thread_data * td)514 static 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 return ret;
771 }
772
773 /*
774 * This function leaks the buffer
775 */
fio_uint_to_kmg(unsigned int val)776 char *fio_uint_to_kmg(unsigned int val)
777 {
778 char *buf = malloc(32);
779 char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 };
780 char *p = post;
781
782 do {
783 if (val & 1023)
784 break;
785
786 val >>= 10;
787 p++;
788 } while (*p);
789
790 snprintf(buf, 32, "%u%c", val, *p);
791 return buf;
792 }
793
794 /* External engines are specified by "external:name.o") */
get_engine_name(const char * str)795 static const char *get_engine_name(const char *str)
796 {
797 char *p = strstr(str, ":");
798
799 if (!p)
800 return str;
801
802 p++;
803 strip_blank_front(&p);
804 strip_blank_end(p);
805 return p;
806 }
807
exists_and_not_file(const char * filename)808 static int exists_and_not_file(const char *filename)
809 {
810 struct stat sb;
811
812 if (lstat(filename, &sb) == -1)
813 return 0;
814
815 /* \\.\ is the device namespace in Windows, where every file
816 * is a device node */
817 if (S_ISREG(sb.st_mode) && strncmp(filename, "\\\\.\\", 4) != 0)
818 return 0;
819
820 return 1;
821 }
822
td_fill_rand_seeds_internal(struct thread_data * td)823 static void td_fill_rand_seeds_internal(struct thread_data *td)
824 {
825 init_rand_seed(&td->bsrange_state, td->rand_seeds[FIO_RAND_BS_OFF]);
826 init_rand_seed(&td->verify_state, td->rand_seeds[FIO_RAND_VER_OFF]);
827 init_rand_seed(&td->rwmix_state, td->rand_seeds[FIO_RAND_MIX_OFF]);
828
829 if (td->o.file_service_type == FIO_FSERVICE_RANDOM)
830 init_rand_seed(&td->next_file_state, td->rand_seeds[FIO_RAND_FILE_OFF]);
831
832 init_rand_seed(&td->file_size_state, td->rand_seeds[FIO_RAND_FILE_SIZE_OFF]);
833 init_rand_seed(&td->trim_state, td->rand_seeds[FIO_RAND_TRIM_OFF]);
834 init_rand_seed(&td->delay_state, td->rand_seeds[FIO_RAND_START_DELAY]);
835
836 if (!td_random(td))
837 return;
838
839 if (td->o.rand_repeatable)
840 td->rand_seeds[FIO_RAND_BLOCK_OFF] = FIO_RANDSEED * td->thread_number;
841
842 init_rand_seed(&td->random_state, td->rand_seeds[FIO_RAND_BLOCK_OFF]);
843 init_rand_seed(&td->seq_rand_state[DDIR_READ], td->rand_seeds[FIO_RAND_SEQ_RAND_READ_OFF]);
844 init_rand_seed(&td->seq_rand_state[DDIR_WRITE], td->rand_seeds[FIO_RAND_SEQ_RAND_WRITE_OFF]);
845 init_rand_seed(&td->seq_rand_state[DDIR_TRIM], td->rand_seeds[FIO_RAND_SEQ_RAND_TRIM_OFF]);
846 }
847
td_fill_rand_seeds(struct thread_data * td)848 void td_fill_rand_seeds(struct thread_data *td)
849 {
850 if (td->o.allrand_repeatable) {
851 unsigned int i;
852
853 for (i = 0; i < FIO_RAND_NR_OFFS; i++)
854 td->rand_seeds[i] = FIO_RANDSEED * td->thread_number
855 + i;
856 }
857
858 td_fill_rand_seeds_internal(td);
859
860 init_rand_seed(&td->buf_state, td->rand_seeds[FIO_RAND_BUF_OFF]);
861 frand_copy(&td->buf_state_prev, &td->buf_state);
862
863 init_rand_seed(&td->dedupe_state, td->rand_seeds[FIO_DEDUPE_OFF]);
864 }
865
866 /*
867 * Initializes the ioengine configured for a job, if it has not been done so
868 * already.
869 */
ioengine_load(struct thread_data * td)870 int ioengine_load(struct thread_data *td)
871 {
872 const char *engine;
873
874 /*
875 * Engine has already been loaded.
876 */
877 if (td->io_ops)
878 return 0;
879 if (!td->o.ioengine) {
880 log_err("fio: internal fault, no IO engine specified\n");
881 return 1;
882 }
883
884 engine = get_engine_name(td->o.ioengine);
885 td->io_ops = load_ioengine(td, engine);
886 if (!td->io_ops) {
887 log_err("fio: failed to load engine %s\n", engine);
888 return 1;
889 }
890
891 if (td->io_ops->option_struct_size && td->io_ops->options) {
892 /*
893 * In cases where td->eo is set, clone it for a child thread.
894 * This requires that the parent thread has the same ioengine,
895 * but that requirement must be enforced by the code which
896 * cloned the thread.
897 */
898 void *origeo = td->eo;
899 /*
900 * Otherwise use the default thread options.
901 */
902 if (!origeo && td != &def_thread && def_thread.eo &&
903 def_thread.io_ops->options == td->io_ops->options)
904 origeo = def_thread.eo;
905
906 options_init(td->io_ops->options);
907 td->eo = malloc(td->io_ops->option_struct_size);
908 /*
909 * Use the default thread as an option template if this uses the
910 * same options structure and there are non-default options
911 * used.
912 */
913 if (origeo) {
914 memcpy(td->eo, origeo, td->io_ops->option_struct_size);
915 options_mem_dupe(td->eo, td->io_ops->options);
916 } else {
917 memset(td->eo, 0, td->io_ops->option_struct_size);
918 fill_default_options(td->eo, td->io_ops->options);
919 }
920 *(struct thread_data **)td->eo = td;
921 }
922
923 return 0;
924 }
925
init_flags(struct thread_data * td)926 static void init_flags(struct thread_data *td)
927 {
928 struct thread_options *o = &td->o;
929
930 if (o->verify_backlog)
931 td->flags |= TD_F_VER_BACKLOG;
932 if (o->trim_backlog)
933 td->flags |= TD_F_TRIM_BACKLOG;
934 if (o->read_iolog_file)
935 td->flags |= TD_F_READ_IOLOG;
936 if (o->refill_buffers)
937 td->flags |= TD_F_REFILL_BUFFERS;
938 /*
939 * Always scramble buffers if asked to
940 */
941 if (o->scramble_buffers && fio_option_is_set(o, scramble_buffers))
942 td->flags |= TD_F_SCRAMBLE_BUFFERS;
943 /*
944 * But also scramble buffers, unless we were explicitly asked
945 * to zero them.
946 */
947 if (o->scramble_buffers && !(o->zero_buffers &&
948 fio_option_is_set(o, zero_buffers)))
949 td->flags |= TD_F_SCRAMBLE_BUFFERS;
950 if (o->verify != VERIFY_NONE)
951 td->flags |= TD_F_VER_NONE;
952 }
953
setup_random_seeds(struct thread_data * td)954 static int setup_random_seeds(struct thread_data *td)
955 {
956 unsigned long seed;
957 unsigned int i;
958
959 if (!td->o.rand_repeatable && !td->o.rand_seed)
960 return init_random_state(td, td->rand_seeds, sizeof(td->rand_seeds));
961
962 if (!td->o.rand_seed)
963 seed = 0x89;
964 else
965 seed = td->o.rand_seed;
966
967 for (i = 0; i < 4; i++)
968 seed *= 0x9e370001UL;
969
970 for (i = 0; i < FIO_RAND_NR_OFFS; i++) {
971 td->rand_seeds[i] = seed;
972 seed *= 0x9e370001UL;
973 }
974
975 td_fill_rand_seeds(td);
976 return 0;
977 }
978
979 enum {
980 FPRE_NONE = 0,
981 FPRE_JOBNAME,
982 FPRE_JOBNUM,
983 FPRE_FILENUM
984 };
985
986 static struct fpre_keyword {
987 const char *keyword;
988 size_t strlen;
989 int key;
990 } fpre_keywords[] = {
991 { .keyword = "$jobname", .key = FPRE_JOBNAME, },
992 { .keyword = "$jobnum", .key = FPRE_JOBNUM, },
993 { .keyword = "$filenum", .key = FPRE_FILENUM, },
994 { .keyword = NULL, },
995 };
996
make_filename(char * buf,size_t buf_size,struct thread_options * o,const char * jobname,int jobnum,int filenum)997 static char *make_filename(char *buf, size_t buf_size,struct thread_options *o,
998 const char *jobname, int jobnum, int filenum)
999 {
1000 struct fpre_keyword *f;
1001 char copy[PATH_MAX];
1002 size_t dst_left = PATH_MAX - 1;
1003
1004 if (!o->filename_format || !strlen(o->filename_format)) {
1005 sprintf(buf, "%s.%d.%d", jobname, jobnum, filenum);
1006 return NULL;
1007 }
1008
1009 for (f = &fpre_keywords[0]; f->keyword; f++)
1010 f->strlen = strlen(f->keyword);
1011
1012 buf[buf_size - 1] = '\0';
1013 strncpy(buf, o->filename_format, buf_size - 1);
1014
1015 memset(copy, 0, sizeof(copy));
1016 for (f = &fpre_keywords[0]; f->keyword; f++) {
1017 do {
1018 size_t pre_len, post_start = 0;
1019 char *str, *dst = copy;
1020
1021 str = strcasestr(buf, f->keyword);
1022 if (!str)
1023 break;
1024
1025 pre_len = str - buf;
1026 if (strlen(str) != f->strlen)
1027 post_start = pre_len + f->strlen;
1028
1029 if (pre_len) {
1030 strncpy(dst, buf, pre_len);
1031 dst += pre_len;
1032 dst_left -= pre_len;
1033 }
1034
1035 switch (f->key) {
1036 case FPRE_JOBNAME: {
1037 int ret;
1038
1039 ret = snprintf(dst, dst_left, "%s", jobname);
1040 if (ret < 0)
1041 break;
1042 else if (ret > dst_left) {
1043 log_err("fio: truncated filename\n");
1044 dst += dst_left;
1045 dst_left = 0;
1046 } else {
1047 dst += ret;
1048 dst_left -= ret;
1049 }
1050 break;
1051 }
1052 case FPRE_JOBNUM: {
1053 int ret;
1054
1055 ret = snprintf(dst, dst_left, "%d", jobnum);
1056 if (ret < 0)
1057 break;
1058 else if (ret > dst_left) {
1059 log_err("fio: truncated filename\n");
1060 dst += dst_left;
1061 dst_left = 0;
1062 } else {
1063 dst += ret;
1064 dst_left -= ret;
1065 }
1066 break;
1067 }
1068 case FPRE_FILENUM: {
1069 int ret;
1070
1071 ret = snprintf(dst, dst_left, "%d", filenum);
1072 if (ret < 0)
1073 break;
1074 else if (ret > dst_left) {
1075 log_err("fio: truncated filename\n");
1076 dst += dst_left;
1077 dst_left = 0;
1078 } else {
1079 dst += ret;
1080 dst_left -= ret;
1081 }
1082 break;
1083 }
1084 default:
1085 assert(0);
1086 break;
1087 }
1088
1089 if (post_start)
1090 strncpy(dst, buf + post_start, dst_left);
1091
1092 strncpy(buf, copy, buf_size - 1);
1093 } while (1);
1094 }
1095
1096 return buf;
1097 }
1098
parse_dryrun(void)1099 int parse_dryrun(void)
1100 {
1101 return dump_cmdline || parse_only;
1102 }
1103
1104 /*
1105 * Adds a job to the list of things todo. Sanitizes the various options
1106 * to make sure we don't have conflicts, and initializes various
1107 * members of td.
1108 */
add_job(struct thread_data * td,const char * jobname,int job_add_num,int recursed,int client_type)1109 static int add_job(struct thread_data *td, const char *jobname, int job_add_num,
1110 int recursed, int client_type)
1111 {
1112 unsigned int i;
1113 char fname[PATH_MAX];
1114 int numjobs, file_alloced;
1115 struct thread_options *o = &td->o;
1116 char logname[PATH_MAX + 32];
1117
1118 /*
1119 * the def_thread is just for options, it's not a real job
1120 */
1121 if (td == &def_thread)
1122 return 0;
1123
1124 init_flags(td);
1125
1126 /*
1127 * if we are just dumping the output command line, don't add the job
1128 */
1129 if (parse_dryrun()) {
1130 put_job(td);
1131 return 0;
1132 }
1133
1134 td->client_type = client_type;
1135
1136 if (profile_td_init(td))
1137 goto err;
1138
1139 if (ioengine_load(td))
1140 goto err;
1141
1142 if (o->odirect)
1143 td->io_ops->flags |= FIO_RAWIO;
1144
1145 file_alloced = 0;
1146 if (!o->filename && !td->files_index && !o->read_iolog_file) {
1147 file_alloced = 1;
1148
1149 if (o->nr_files == 1 && exists_and_not_file(jobname))
1150 add_file(td, jobname, job_add_num, 0);
1151 else {
1152 for (i = 0; i < o->nr_files; i++)
1153 add_file(td, make_filename(fname, sizeof(fname), o, jobname, job_add_num, i), job_add_num, 0);
1154 }
1155 }
1156
1157 if (fixup_options(td))
1158 goto err;
1159
1160 flow_init_job(td);
1161
1162 /*
1163 * IO engines only need this for option callbacks, and the address may
1164 * change in subprocesses.
1165 */
1166 if (td->eo)
1167 *(struct thread_data **)td->eo = NULL;
1168
1169 if (td->io_ops->flags & FIO_DISKLESSIO) {
1170 struct fio_file *f;
1171
1172 for_each_file(td, f, i)
1173 f->real_file_size = -1ULL;
1174 }
1175
1176 td->mutex = fio_mutex_init(FIO_MUTEX_LOCKED);
1177
1178 td->ts.clat_percentiles = o->clat_percentiles;
1179 td->ts.percentile_precision = o->percentile_precision;
1180 memcpy(td->ts.percentile_list, o->percentile_list, sizeof(o->percentile_list));
1181
1182 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
1183 td->ts.clat_stat[i].min_val = ULONG_MAX;
1184 td->ts.slat_stat[i].min_val = ULONG_MAX;
1185 td->ts.lat_stat[i].min_val = ULONG_MAX;
1186 td->ts.bw_stat[i].min_val = ULONG_MAX;
1187 }
1188 td->ddir_seq_nr = o->ddir_seq_nr;
1189
1190 if ((o->stonewall || o->new_group) && prev_group_jobs) {
1191 prev_group_jobs = 0;
1192 groupid++;
1193 }
1194
1195 td->groupid = groupid;
1196 prev_group_jobs++;
1197
1198 if (setup_random_seeds(td)) {
1199 td_verror(td, errno, "init_random_state");
1200 goto err;
1201 }
1202
1203 if (setup_rate(td))
1204 goto err;
1205
1206 if (o->lat_log_file) {
1207 struct log_params p = {
1208 .td = td,
1209 .avg_msec = o->log_avg_msec,
1210 .log_type = IO_LOG_TYPE_LAT,
1211 .log_offset = o->log_offset,
1212 .log_gz = o->log_gz,
1213 .log_gz_store = o->log_gz_store,
1214 };
1215 const char *suf;
1216
1217 if (p.log_gz_store)
1218 suf = "log.fz";
1219 else
1220 suf = "log";
1221
1222 snprintf(logname, sizeof(logname), "%s_lat.%d.%s",
1223 o->lat_log_file, td->thread_number, suf);
1224 setup_log(&td->lat_log, &p, logname);
1225 snprintf(logname, sizeof(logname), "%s_slat.%d.%s",
1226 o->lat_log_file, td->thread_number, suf);
1227 setup_log(&td->slat_log, &p, logname);
1228 snprintf(logname, sizeof(logname), "%s_clat.%d.%s",
1229 o->lat_log_file, td->thread_number, suf);
1230 setup_log(&td->clat_log, &p, logname);
1231 }
1232 if (o->bw_log_file) {
1233 struct log_params p = {
1234 .td = td,
1235 .avg_msec = o->log_avg_msec,
1236 .log_type = IO_LOG_TYPE_BW,
1237 .log_offset = o->log_offset,
1238 .log_gz = o->log_gz,
1239 .log_gz_store = o->log_gz_store,
1240 };
1241 const char *suf;
1242
1243 if (p.log_gz_store)
1244 suf = "log.fz";
1245 else
1246 suf = "log";
1247
1248 snprintf(logname, sizeof(logname), "%s_bw.%d.%s",
1249 o->bw_log_file, td->thread_number, suf);
1250 setup_log(&td->bw_log, &p, logname);
1251 }
1252 if (o->iops_log_file) {
1253 struct log_params p = {
1254 .td = td,
1255 .avg_msec = o->log_avg_msec,
1256 .log_type = IO_LOG_TYPE_IOPS,
1257 .log_offset = o->log_offset,
1258 .log_gz = o->log_gz,
1259 .log_gz_store = o->log_gz_store,
1260 };
1261 const char *suf;
1262
1263 if (p.log_gz_store)
1264 suf = "log.fz";
1265 else
1266 suf = "log";
1267
1268 snprintf(logname, sizeof(logname), "%s_iops.%d.%s",
1269 o->iops_log_file, td->thread_number, suf);
1270 setup_log(&td->iops_log, &p, logname);
1271 }
1272
1273 if (!o->name)
1274 o->name = strdup(jobname);
1275
1276 if (output_format == FIO_OUTPUT_NORMAL) {
1277 if (!job_add_num) {
1278 if (is_backend && !recursed)
1279 fio_server_send_add_job(td);
1280
1281 if (!(td->io_ops->flags & FIO_NOIO)) {
1282 char *c1, *c2, *c3, *c4;
1283 char *c5 = NULL, *c6 = NULL;
1284
1285 c1 = fio_uint_to_kmg(o->min_bs[DDIR_READ]);
1286 c2 = fio_uint_to_kmg(o->max_bs[DDIR_READ]);
1287 c3 = fio_uint_to_kmg(o->min_bs[DDIR_WRITE]);
1288 c4 = fio_uint_to_kmg(o->max_bs[DDIR_WRITE]);
1289
1290 if (!o->bs_is_seq_rand) {
1291 c5 = fio_uint_to_kmg(o->min_bs[DDIR_TRIM]);
1292 c6 = fio_uint_to_kmg(o->max_bs[DDIR_TRIM]);
1293 }
1294
1295 log_info("%s: (g=%d): rw=%s, ", td->o.name,
1296 td->groupid,
1297 ddir_str(o->td_ddir));
1298
1299 if (o->bs_is_seq_rand)
1300 log_info("bs(seq/rand)=%s-%s/%s-%s, ",
1301 c1, c2, c3, c4);
1302 else
1303 log_info("bs=%s-%s/%s-%s/%s-%s, ",
1304 c1, c2, c3, c4, c5, c6);
1305
1306 log_info("ioengine=%s, iodepth=%u\n",
1307 td->io_ops->name, o->iodepth);
1308
1309 free(c1);
1310 free(c2);
1311 free(c3);
1312 free(c4);
1313 free(c5);
1314 free(c6);
1315 }
1316 } else if (job_add_num == 1)
1317 log_info("...\n");
1318 }
1319
1320 /*
1321 * recurse add identical jobs, clear numjobs and stonewall options
1322 * as they don't apply to sub-jobs
1323 */
1324 numjobs = o->numjobs;
1325 while (--numjobs) {
1326 struct thread_data *td_new = get_new_job(0, td, 1, jobname);
1327
1328 if (!td_new)
1329 goto err;
1330
1331 td_new->o.numjobs = 1;
1332 td_new->o.stonewall = 0;
1333 td_new->o.new_group = 0;
1334 td_new->subjob_number = numjobs;
1335
1336 if (file_alloced) {
1337 if (td_new->files) {
1338 struct fio_file *f;
1339 for_each_file(td_new, f, i) {
1340 if (f->file_name)
1341 sfree(f->file_name);
1342 sfree(f);
1343 }
1344 free(td_new->files);
1345 td_new->files = NULL;
1346 }
1347 td_new->files_index = 0;
1348 td_new->files_size = 0;
1349 if (td_new->o.filename) {
1350 free(td_new->o.filename);
1351 td_new->o.filename = NULL;
1352 }
1353 }
1354
1355 if (add_job(td_new, jobname, numjobs, 1, client_type))
1356 goto err;
1357 }
1358
1359 return 0;
1360 err:
1361 put_job(td);
1362 return -1;
1363 }
1364
1365 /*
1366 * Parse as if 'o' was a command line
1367 */
add_job_opts(const char ** o,int client_type)1368 void add_job_opts(const char **o, int client_type)
1369 {
1370 struct thread_data *td, *td_parent;
1371 int i, in_global = 1;
1372 char jobname[32];
1373
1374 i = 0;
1375 td_parent = td = NULL;
1376 while (o[i]) {
1377 if (!strncmp(o[i], "name", 4)) {
1378 in_global = 0;
1379 if (td)
1380 add_job(td, jobname, 0, 0, client_type);
1381 td = NULL;
1382 sprintf(jobname, "%s", o[i] + 5);
1383 }
1384 if (in_global && !td_parent)
1385 td_parent = get_new_job(1, &def_thread, 0, jobname);
1386 else if (!in_global && !td) {
1387 if (!td_parent)
1388 td_parent = &def_thread;
1389 td = get_new_job(0, td_parent, 0, jobname);
1390 }
1391 if (in_global)
1392 fio_options_parse(td_parent, (char **) &o[i], 1, 0);
1393 else
1394 fio_options_parse(td, (char **) &o[i], 1, 0);
1395 i++;
1396 }
1397
1398 if (td)
1399 add_job(td, jobname, 0, 0, client_type);
1400 }
1401
skip_this_section(const char * name)1402 static int skip_this_section(const char *name)
1403 {
1404 int i;
1405
1406 if (!nr_job_sections)
1407 return 0;
1408 if (!strncmp(name, "global", 6))
1409 return 0;
1410
1411 for (i = 0; i < nr_job_sections; i++)
1412 if (!strcmp(job_sections[i], name))
1413 return 0;
1414
1415 return 1;
1416 }
1417
is_empty_or_comment(char * line)1418 static int is_empty_or_comment(char *line)
1419 {
1420 unsigned int i;
1421
1422 for (i = 0; i < strlen(line); i++) {
1423 if (line[i] == ';')
1424 return 1;
1425 if (line[i] == '#')
1426 return 1;
1427 if (!isspace((int) line[i]) && !iscntrl((int) line[i]))
1428 return 0;
1429 }
1430
1431 return 1;
1432 }
1433
1434 /*
1435 * This is our [ini] type file parser.
1436 */
__parse_jobs_ini(struct thread_data * td,char * file,int is_buf,int stonewall_flag,int type,int nested,char * name,char *** popts,int * aopts,int * nopts)1437 int __parse_jobs_ini(struct thread_data *td,
1438 char *file, int is_buf, int stonewall_flag, int type,
1439 int nested, char *name, char ***popts, int *aopts, int *nopts)
1440 {
1441 unsigned int global = 0;
1442 char *string;
1443 FILE *f;
1444 char *p;
1445 int ret = 0, stonewall;
1446 int first_sect = 1;
1447 int skip_fgets = 0;
1448 int inside_skip = 0;
1449 char **opts;
1450 int i, alloc_opts, num_opts;
1451
1452 dprint(FD_PARSE, "Parsing ini file %s\n", file);
1453 assert(td || !nested);
1454
1455 if (is_buf)
1456 f = NULL;
1457 else {
1458 if (!strcmp(file, "-"))
1459 f = stdin;
1460 else
1461 f = fopen(file, "r");
1462
1463 if (!f) {
1464 int __err = errno;
1465
1466 log_err("fio: unable to open '%s' job file\n", file);
1467 if (td)
1468 td_verror(td, __err, "job file open");
1469 return 1;
1470 }
1471 }
1472
1473 string = malloc(4096);
1474
1475 /*
1476 * it's really 256 + small bit, 280 should suffice
1477 */
1478 if (!nested) {
1479 name = malloc(280);
1480 memset(name, 0, 280);
1481 }
1482
1483 opts = NULL;
1484 if (nested && popts) {
1485 opts = *popts;
1486 alloc_opts = *aopts;
1487 num_opts = *nopts;
1488 }
1489
1490 if (!opts) {
1491 alloc_opts = 8;
1492 opts = malloc(sizeof(char *) * alloc_opts);
1493 num_opts = 0;
1494 }
1495
1496 stonewall = stonewall_flag;
1497 do {
1498 /*
1499 * if skip_fgets is set, we already have loaded a line we
1500 * haven't handled.
1501 */
1502 if (!skip_fgets) {
1503 if (is_buf)
1504 p = strsep(&file, "\n");
1505 else
1506 p = fgets(string, 4096, f);
1507 if (!p)
1508 break;
1509 }
1510
1511 skip_fgets = 0;
1512 strip_blank_front(&p);
1513 strip_blank_end(p);
1514
1515 dprint(FD_PARSE, "%s\n", p);
1516 if (is_empty_or_comment(p))
1517 continue;
1518
1519 if (!nested) {
1520 if (sscanf(p, "[%255[^\n]]", name) != 1) {
1521 if (inside_skip)
1522 continue;
1523
1524 log_err("fio: option <%s> outside of "
1525 "[] job section\n", p);
1526 ret = 1;
1527 break;
1528 }
1529
1530 name[strlen(name) - 1] = '\0';
1531
1532 if (skip_this_section(name)) {
1533 inside_skip = 1;
1534 continue;
1535 } else
1536 inside_skip = 0;
1537
1538 dprint(FD_PARSE, "Parsing section [%s]\n", name);
1539
1540 global = !strncmp(name, "global", 6);
1541
1542 if (dump_cmdline) {
1543 if (first_sect)
1544 log_info("fio ");
1545 if (!global)
1546 log_info("--name=%s ", name);
1547 first_sect = 0;
1548 }
1549
1550 td = get_new_job(global, &def_thread, 0, name);
1551 if (!td) {
1552 ret = 1;
1553 break;
1554 }
1555
1556 /*
1557 * Separate multiple job files by a stonewall
1558 */
1559 if (!global && stonewall) {
1560 td->o.stonewall = stonewall;
1561 stonewall = 0;
1562 }
1563
1564 num_opts = 0;
1565 memset(opts, 0, alloc_opts * sizeof(char *));
1566 }
1567 else
1568 skip_fgets = 1;
1569
1570 while (1) {
1571 if (!skip_fgets) {
1572 if (is_buf)
1573 p = strsep(&file, "\n");
1574 else
1575 p = fgets(string, 4096, f);
1576 if (!p)
1577 break;
1578 dprint(FD_PARSE, "%s", p);
1579 }
1580 else
1581 skip_fgets = 0;
1582
1583 if (is_empty_or_comment(p))
1584 continue;
1585
1586 strip_blank_front(&p);
1587
1588 /*
1589 * new section, break out and make sure we don't
1590 * fgets() a new line at the top.
1591 */
1592 if (p[0] == '[') {
1593 if (nested) {
1594 log_err("No new sections in included files\n");
1595 return 1;
1596 }
1597
1598 skip_fgets = 1;
1599 break;
1600 }
1601
1602 strip_blank_end(p);
1603
1604 if (!strncmp(p, "include", strlen("include"))) {
1605 char *filename = p + strlen("include") + 1;
1606
1607 if ((ret = __parse_jobs_ini(td, filename,
1608 is_buf, stonewall_flag, type, 1,
1609 name, &opts, &alloc_opts, &num_opts))) {
1610 log_err("Error %d while parsing include file %s\n",
1611 ret, filename);
1612 break;
1613 }
1614 continue;
1615 }
1616
1617 if (num_opts == alloc_opts) {
1618 alloc_opts <<= 1;
1619 opts = realloc(opts,
1620 alloc_opts * sizeof(char *));
1621 }
1622
1623 opts[num_opts] = strdup(p);
1624 num_opts++;
1625 }
1626
1627 if (nested) {
1628 *popts = opts;
1629 *aopts = alloc_opts;
1630 *nopts = num_opts;
1631 goto out;
1632 }
1633
1634 ret = fio_options_parse(td, opts, num_opts, dump_cmdline);
1635 if (!ret)
1636 ret = add_job(td, name, 0, 0, type);
1637 else {
1638 log_err("fio: job %s dropped\n", name);
1639 put_job(td);
1640 }
1641
1642 for (i = 0; i < num_opts; i++)
1643 free(opts[i]);
1644 num_opts = 0;
1645 } while (!ret);
1646
1647 if (dump_cmdline)
1648 log_info("\n");
1649
1650 i = 0;
1651 while (i < nr_job_sections) {
1652 free(job_sections[i]);
1653 i++;
1654 }
1655
1656 free(opts);
1657 out:
1658 free(string);
1659 if (!nested)
1660 free(name);
1661 if (!is_buf && f != stdin)
1662 fclose(f);
1663 return ret;
1664 }
1665
parse_jobs_ini(char * file,int is_buf,int stonewall_flag,int type)1666 int parse_jobs_ini(char *file, int is_buf, int stonewall_flag, int type)
1667 {
1668 return __parse_jobs_ini(NULL, file, is_buf, stonewall_flag, type,
1669 0, NULL, NULL, NULL, NULL);
1670 }
1671
fill_def_thread(void)1672 static int fill_def_thread(void)
1673 {
1674 memset(&def_thread, 0, sizeof(def_thread));
1675
1676 fio_getaffinity(getpid(), &def_thread.o.cpumask);
1677 def_thread.o.error_dump = 1;
1678
1679 /*
1680 * fill default options
1681 */
1682 fio_fill_default_options(&def_thread);
1683 return 0;
1684 }
1685
usage(const char * name)1686 static void usage(const char *name)
1687 {
1688 printf("%s\n", fio_version_string);
1689 printf("%s [options] [job options] <job file(s)>\n", name);
1690 printf(" --debug=options\tEnable debug logging. May be one/more of:\n"
1691 "\t\t\tprocess,file,io,mem,blktrace,verify,random,parse,\n"
1692 "\t\t\tdiskutil,job,mutex,profile,time,net,rate,compress\n");
1693 printf(" --parse-only\t\tParse options only, don't start any IO\n");
1694 printf(" --output\t\tWrite output to file\n");
1695 printf(" --runtime\t\tRuntime in seconds\n");
1696 printf(" --bandwidth-log\tGenerate per-job bandwidth logs\n");
1697 printf(" --minimal\t\tMinimal (terse) output\n");
1698 printf(" --output-format=x\tOutput format (terse,json,normal)\n");
1699 printf(" --terse-version=x\tSet terse version output format to 'x'\n");
1700 printf(" --version\t\tPrint version info and exit\n");
1701 printf(" --help\t\tPrint this page\n");
1702 printf(" --cpuclock-test\tPerform test/validation of CPU clock\n");
1703 printf(" --crctest\t\tTest speed of checksum functions\n");
1704 printf(" --cmdhelp=cmd\t\tPrint command help, \"all\" for all of"
1705 " them\n");
1706 printf(" --enghelp=engine\tPrint ioengine help, or list"
1707 " available ioengines\n");
1708 printf(" --enghelp=engine,cmd\tPrint help for an ioengine"
1709 " cmd\n");
1710 printf(" --showcmd\t\tTurn a job file into command line options\n");
1711 printf(" --eta=when\t\tWhen ETA estimate should be printed\n");
1712 printf(" \t\tMay be \"always\", \"never\" or \"auto\"\n");
1713 printf(" --eta-newline=time\tForce a new line for every 'time'");
1714 printf(" period passed\n");
1715 printf(" --status-interval=t\tForce full status dump every");
1716 printf(" 't' period passed\n");
1717 printf(" --readonly\t\tTurn on safety read-only checks, preventing"
1718 " writes\n");
1719 printf(" --section=name\tOnly run specified section in job file\n");
1720 printf(" --alloc-size=kb\tSet smalloc pool to this size in kb"
1721 " (def 1024)\n");
1722 printf(" --warnings-fatal\tFio parser warnings are fatal\n");
1723 printf(" --max-jobs=nr\t\tMaximum number of threads/processes to support\n");
1724 printf(" --server=args\t\tStart a backend fio server\n");
1725 printf(" --daemonize=pidfile\tBackground fio server, write pid to file\n");
1726 printf(" --client=hostname\tTalk to remote backend fio server at hostname\n");
1727 printf(" --remote-config=file\tTell fio server to load this local job file\n");
1728 printf(" --idle-prof=option\tReport cpu idleness on a system or percpu basis\n"
1729 "\t\t\t(option=system,percpu) or run unit work\n"
1730 "\t\t\tcalibration only (option=calibrate)\n");
1731 #ifdef CONFIG_ZLIB
1732 printf(" --inflate-log=log\tInflate and output compressed log\n");
1733 #endif
1734 printf(" --trigger-file=file\tExecute trigger cmd when file exists\n");
1735 printf(" --trigger-timeout=t\tExecute trigger af this time\n");
1736 printf(" --trigger=cmd\t\tSet this command as local trigger\n");
1737 printf(" --trigger-remote=cmd\tSet this command as remote trigger\n");
1738 printf("\nFio was written by Jens Axboe <jens.axboe@oracle.com>");
1739 printf("\n Jens Axboe <jaxboe@fusionio.com>");
1740 printf("\n Jens Axboe <axboe@fb.com>\n");
1741 }
1742
1743 #ifdef FIO_INC_DEBUG
1744 struct debug_level debug_levels[] = {
1745 { .name = "process",
1746 .help = "Process creation/exit logging",
1747 .shift = FD_PROCESS,
1748 },
1749 { .name = "file",
1750 .help = "File related action logging",
1751 .shift = FD_FILE,
1752 },
1753 { .name = "io",
1754 .help = "IO and IO engine action logging (offsets, queue, completions, etc)",
1755 .shift = FD_IO,
1756 },
1757 { .name = "mem",
1758 .help = "Memory allocation/freeing logging",
1759 .shift = FD_MEM,
1760 },
1761 { .name = "blktrace",
1762 .help = "blktrace action logging",
1763 .shift = FD_BLKTRACE,
1764 },
1765 { .name = "verify",
1766 .help = "IO verification action logging",
1767 .shift = FD_VERIFY,
1768 },
1769 { .name = "random",
1770 .help = "Random generation logging",
1771 .shift = FD_RANDOM,
1772 },
1773 { .name = "parse",
1774 .help = "Parser logging",
1775 .shift = FD_PARSE,
1776 },
1777 { .name = "diskutil",
1778 .help = "Disk utility logging actions",
1779 .shift = FD_DISKUTIL,
1780 },
1781 { .name = "job",
1782 .help = "Logging related to creating/destroying jobs",
1783 .shift = FD_JOB,
1784 },
1785 { .name = "mutex",
1786 .help = "Mutex logging",
1787 .shift = FD_MUTEX
1788 },
1789 { .name = "profile",
1790 .help = "Logging related to profiles",
1791 .shift = FD_PROFILE,
1792 },
1793 { .name = "time",
1794 .help = "Logging related to time keeping functions",
1795 .shift = FD_TIME,
1796 },
1797 { .name = "net",
1798 .help = "Network logging",
1799 .shift = FD_NET,
1800 },
1801 { .name = "rate",
1802 .help = "Rate logging",
1803 .shift = FD_RATE,
1804 },
1805 { .name = "compress",
1806 .help = "Log compression logging",
1807 .shift = FD_COMPRESS,
1808 },
1809 { .name = NULL, },
1810 };
1811
set_debug(const char * string)1812 static int set_debug(const char *string)
1813 {
1814 struct debug_level *dl;
1815 char *p = (char *) string;
1816 char *opt;
1817 int i;
1818
1819 if (!strcmp(string, "?") || !strcmp(string, "help")) {
1820 log_info("fio: dumping debug options:");
1821 for (i = 0; debug_levels[i].name; i++) {
1822 dl = &debug_levels[i];
1823 log_info("%s,", dl->name);
1824 }
1825 log_info("all\n");
1826 return 1;
1827 }
1828
1829 while ((opt = strsep(&p, ",")) != NULL) {
1830 int found = 0;
1831
1832 if (!strncmp(opt, "all", 3)) {
1833 log_info("fio: set all debug options\n");
1834 fio_debug = ~0UL;
1835 continue;
1836 }
1837
1838 for (i = 0; debug_levels[i].name; i++) {
1839 dl = &debug_levels[i];
1840 found = !strncmp(opt, dl->name, strlen(dl->name));
1841 if (!found)
1842 continue;
1843
1844 if (dl->shift == FD_JOB) {
1845 opt = strchr(opt, ':');
1846 if (!opt) {
1847 log_err("fio: missing job number\n");
1848 break;
1849 }
1850 opt++;
1851 fio_debug_jobno = atoi(opt);
1852 log_info("fio: set debug jobno %d\n",
1853 fio_debug_jobno);
1854 } else {
1855 log_info("fio: set debug option %s\n", opt);
1856 fio_debug |= (1UL << dl->shift);
1857 }
1858 break;
1859 }
1860
1861 if (!found)
1862 log_err("fio: debug mask %s not found\n", opt);
1863 }
1864 return 0;
1865 }
1866 #else
set_debug(const char * string)1867 static int set_debug(const char *string)
1868 {
1869 log_err("fio: debug tracing not included in build\n");
1870 return 1;
1871 }
1872 #endif
1873
fio_options_fill_optstring(void)1874 static void fio_options_fill_optstring(void)
1875 {
1876 char *ostr = cmd_optstr;
1877 int i, c;
1878
1879 c = i = 0;
1880 while (l_opts[i].name) {
1881 ostr[c++] = l_opts[i].val;
1882 if (l_opts[i].has_arg == required_argument)
1883 ostr[c++] = ':';
1884 else if (l_opts[i].has_arg == optional_argument) {
1885 ostr[c++] = ':';
1886 ostr[c++] = ':';
1887 }
1888 i++;
1889 }
1890 ostr[c] = '\0';
1891 }
1892
client_flag_set(char c)1893 static int client_flag_set(char c)
1894 {
1895 int i;
1896
1897 i = 0;
1898 while (l_opts[i].name) {
1899 int val = l_opts[i].val;
1900
1901 if (c == (val & 0xff))
1902 return (val & FIO_CLIENT_FLAG);
1903
1904 i++;
1905 }
1906
1907 return 0;
1908 }
1909
parse_cmd_client(void * client,char * opt)1910 static void parse_cmd_client(void *client, char *opt)
1911 {
1912 fio_client_add_cmd_option(client, opt);
1913 }
1914
show_closest_option(const char * name)1915 static void show_closest_option(const char *name)
1916 {
1917 int best_option, best_distance;
1918 int i, distance;
1919
1920 while (*name == '-')
1921 name++;
1922
1923 best_option = -1;
1924 best_distance = INT_MAX;
1925 i = 0;
1926 while (l_opts[i].name) {
1927 distance = string_distance(name, l_opts[i].name);
1928 if (distance < best_distance) {
1929 best_distance = distance;
1930 best_option = i;
1931 }
1932 i++;
1933 }
1934
1935 if (best_option != -1)
1936 log_err("Did you mean %s?\n", l_opts[best_option].name);
1937 }
1938
parse_cmd_line(int argc,char * argv[],int client_type)1939 int parse_cmd_line(int argc, char *argv[], int client_type)
1940 {
1941 struct thread_data *td = NULL;
1942 int c, ini_idx = 0, lidx, ret = 0, do_exit = 0, exit_val = 0;
1943 char *ostr = cmd_optstr;
1944 void *pid_file = NULL;
1945 void *cur_client = NULL;
1946 int backend = 0;
1947
1948 /*
1949 * Reset optind handling, since we may call this multiple times
1950 * for the backend.
1951 */
1952 optind = 1;
1953
1954 while ((c = getopt_long_only(argc, argv, ostr, l_opts, &lidx)) != -1) {
1955 if ((c & FIO_CLIENT_FLAG) || client_flag_set(c)) {
1956 parse_cmd_client(cur_client, argv[optind - 1]);
1957 c &= ~FIO_CLIENT_FLAG;
1958 }
1959
1960 switch (c) {
1961 case 'a':
1962 smalloc_pool_size = atoi(optarg);
1963 break;
1964 case 't':
1965 if (check_str_time(optarg, &def_timeout, 1)) {
1966 log_err("fio: failed parsing time %s\n", optarg);
1967 do_exit++;
1968 exit_val = 1;
1969 }
1970 break;
1971 case 'l':
1972 log_err("fio: --latency-log is deprecated. Use per-job latency log options.\n");
1973 do_exit++;
1974 exit_val = 1;
1975 break;
1976 case 'b':
1977 write_bw_log = 1;
1978 break;
1979 case 'o':
1980 if (f_out && f_out != stdout)
1981 fclose(f_out);
1982
1983 f_out = fopen(optarg, "w+");
1984 if (!f_out) {
1985 perror("fopen output");
1986 exit(1);
1987 }
1988 f_err = f_out;
1989 break;
1990 case 'm':
1991 output_format = FIO_OUTPUT_TERSE;
1992 break;
1993 case 'F':
1994 if (!optarg) {
1995 log_err("fio: missing --output-format argument\n");
1996 exit_val = 1;
1997 do_exit++;
1998 break;
1999 }
2000 if (!strcmp(optarg, "minimal") ||
2001 !strcmp(optarg, "terse") ||
2002 !strcmp(optarg, "csv"))
2003 output_format = FIO_OUTPUT_TERSE;
2004 else if (!strcmp(optarg, "json"))
2005 output_format = FIO_OUTPUT_JSON;
2006 else
2007 output_format = FIO_OUTPUT_NORMAL;
2008 break;
2009 case 'f':
2010 append_terse_output = 1;
2011 break;
2012 case 'h':
2013 did_arg = 1;
2014 if (!cur_client) {
2015 usage(argv[0]);
2016 do_exit++;
2017 }
2018 break;
2019 case 'c':
2020 did_arg = 1;
2021 if (!cur_client) {
2022 fio_show_option_help(optarg);
2023 do_exit++;
2024 }
2025 break;
2026 case 'i':
2027 did_arg = 1;
2028 if (!cur_client) {
2029 fio_show_ioengine_help(optarg);
2030 do_exit++;
2031 }
2032 break;
2033 case 's':
2034 did_arg = 1;
2035 dump_cmdline = 1;
2036 break;
2037 case 'r':
2038 read_only = 1;
2039 break;
2040 case 'v':
2041 did_arg = 1;
2042 if (!cur_client) {
2043 log_info("%s\n", fio_version_string);
2044 do_exit++;
2045 }
2046 break;
2047 case 'V':
2048 terse_version = atoi(optarg);
2049 if (!(terse_version == 2 || terse_version == 3 ||
2050 terse_version == 4)) {
2051 log_err("fio: bad terse version format\n");
2052 exit_val = 1;
2053 do_exit++;
2054 }
2055 break;
2056 case 'e':
2057 if (!strcmp("always", optarg))
2058 eta_print = FIO_ETA_ALWAYS;
2059 else if (!strcmp("never", optarg))
2060 eta_print = FIO_ETA_NEVER;
2061 break;
2062 case 'E': {
2063 long long t = 0;
2064
2065 if (check_str_time(optarg, &t, 1)) {
2066 log_err("fio: failed parsing eta time %s\n", optarg);
2067 exit_val = 1;
2068 do_exit++;
2069 }
2070 eta_new_line = t / 1000;
2071 break;
2072 }
2073 case 'd':
2074 if (set_debug(optarg))
2075 do_exit++;
2076 break;
2077 case 'P':
2078 did_arg = 1;
2079 parse_only = 1;
2080 break;
2081 case 'x': {
2082 size_t new_size;
2083
2084 if (!strcmp(optarg, "global")) {
2085 log_err("fio: can't use global as only "
2086 "section\n");
2087 do_exit++;
2088 exit_val = 1;
2089 break;
2090 }
2091 new_size = (nr_job_sections + 1) * sizeof(char *);
2092 job_sections = realloc(job_sections, new_size);
2093 job_sections[nr_job_sections] = strdup(optarg);
2094 nr_job_sections++;
2095 break;
2096 }
2097 #ifdef CONFIG_ZLIB
2098 case 'X':
2099 exit_val = iolog_file_inflate(optarg);
2100 did_arg++;
2101 do_exit++;
2102 break;
2103 #endif
2104 case 'p':
2105 did_arg = 1;
2106 if (exec_profile)
2107 free(exec_profile);
2108 exec_profile = strdup(optarg);
2109 break;
2110 case FIO_GETOPT_JOB: {
2111 const char *opt = l_opts[lidx].name;
2112 char *val = optarg;
2113
2114 if (!strncmp(opt, "name", 4) && td) {
2115 ret = add_job(td, td->o.name ?: "fio", 0, 0, client_type);
2116 if (ret)
2117 goto out_free;
2118 td = NULL;
2119 did_arg = 1;
2120 }
2121 if (!td) {
2122 int is_section = !strncmp(opt, "name", 4);
2123 int global = 0;
2124
2125 if (!is_section || !strncmp(val, "global", 6))
2126 global = 1;
2127
2128 if (is_section && skip_this_section(val))
2129 continue;
2130
2131 td = get_new_job(global, &def_thread, 1, NULL);
2132 if (!td || ioengine_load(td)) {
2133 if (td) {
2134 put_job(td);
2135 td = NULL;
2136 }
2137 do_exit++;
2138 break;
2139 }
2140 fio_options_set_ioengine_opts(l_opts, td);
2141 }
2142
2143 if ((!val || !strlen(val)) &&
2144 l_opts[lidx].has_arg == required_argument) {
2145 log_err("fio: option %s requires an argument\n", opt);
2146 ret = 1;
2147 } else
2148 ret = fio_cmd_option_parse(td, opt, val);
2149
2150 if (ret) {
2151 if (td) {
2152 put_job(td);
2153 td = NULL;
2154 }
2155 do_exit++;
2156 }
2157
2158 if (!ret && !strcmp(opt, "ioengine")) {
2159 free_ioengine(td);
2160 if (ioengine_load(td)) {
2161 put_job(td);
2162 td = NULL;
2163 do_exit++;
2164 break;
2165 }
2166 fio_options_set_ioengine_opts(l_opts, td);
2167 }
2168 break;
2169 }
2170 case FIO_GETOPT_IOENGINE: {
2171 const char *opt = l_opts[lidx].name;
2172 char *val = optarg;
2173
2174 if (!td)
2175 break;
2176
2177 ret = fio_cmd_ioengine_option_parse(td, opt, val);
2178 break;
2179 }
2180 case 'w':
2181 warnings_fatal = 1;
2182 break;
2183 case 'j':
2184 max_jobs = atoi(optarg);
2185 if (!max_jobs || max_jobs > REAL_MAX_JOBS) {
2186 log_err("fio: invalid max jobs: %d\n", max_jobs);
2187 do_exit++;
2188 exit_val = 1;
2189 }
2190 break;
2191 case 'S':
2192 did_arg = 1;
2193 #ifndef CONFIG_NO_SHM
2194 if (nr_clients) {
2195 log_err("fio: can't be both client and server\n");
2196 do_exit++;
2197 exit_val = 1;
2198 break;
2199 }
2200 if (optarg)
2201 fio_server_set_arg(optarg);
2202 is_backend = 1;
2203 backend = 1;
2204 #else
2205 log_err("fio: client/server requires SHM support\n");
2206 do_exit++;
2207 exit_val = 1;
2208 #endif
2209 break;
2210 case 'D':
2211 if (pid_file)
2212 free(pid_file);
2213 pid_file = strdup(optarg);
2214 break;
2215 case 'I':
2216 if ((ret = fio_idle_prof_parse_opt(optarg))) {
2217 /* exit on error and calibration only */
2218 did_arg = 1;
2219 do_exit++;
2220 if (ret == -1)
2221 exit_val = 1;
2222 }
2223 break;
2224 case 'C':
2225 did_arg = 1;
2226 if (is_backend) {
2227 log_err("fio: can't be both client and server\n");
2228 do_exit++;
2229 exit_val = 1;
2230 break;
2231 }
2232 if (fio_client_add(&fio_client_ops, optarg, &cur_client)) {
2233 log_err("fio: failed adding client %s\n", optarg);
2234 do_exit++;
2235 exit_val = 1;
2236 break;
2237 }
2238 /*
2239 * If the next argument exists and isn't an option,
2240 * assume it's a job file for this client only.
2241 */
2242 while (optind < argc) {
2243 if (!strncmp(argv[optind], "--", 2) ||
2244 !strncmp(argv[optind], "-", 1))
2245 break;
2246
2247 if (fio_client_add_ini_file(cur_client, argv[optind], 0))
2248 break;
2249 optind++;
2250 }
2251 break;
2252 case 'R':
2253 did_arg = 1;
2254 if (fio_client_add_ini_file(cur_client, optarg, 1)) {
2255 do_exit++;
2256 exit_val = 1;
2257 }
2258 break;
2259 case 'T':
2260 did_arg = 1;
2261 do_exit++;
2262 exit_val = fio_monotonic_clocktest(1);
2263 break;
2264 case 'G':
2265 did_arg = 1;
2266 do_exit++;
2267 exit_val = fio_crctest(optarg);
2268 break;
2269 case 'L': {
2270 long long val;
2271
2272 if (check_str_time(optarg, &val, 1)) {
2273 log_err("fio: failed parsing time %s\n", optarg);
2274 do_exit++;
2275 exit_val = 1;
2276 break;
2277 }
2278 status_interval = val / 1000;
2279 break;
2280 }
2281 case 'W':
2282 if (trigger_file)
2283 free(trigger_file);
2284 trigger_file = strdup(optarg);
2285 break;
2286 case 'H':
2287 if (trigger_cmd)
2288 free(trigger_cmd);
2289 trigger_cmd = strdup(optarg);
2290 break;
2291 case 'J':
2292 if (trigger_remote_cmd)
2293 free(trigger_remote_cmd);
2294 trigger_remote_cmd = strdup(optarg);
2295 break;
2296 case 'B':
2297 if (check_str_time(optarg, &trigger_timeout, 1)) {
2298 log_err("fio: failed parsing time %s\n", optarg);
2299 do_exit++;
2300 exit_val = 1;
2301 }
2302 trigger_timeout /= 1000000;
2303 break;
2304 case '?':
2305 log_err("%s: unrecognized option '%s'\n", argv[0],
2306 argv[optind - 1]);
2307 show_closest_option(argv[optind - 1]);
2308 default:
2309 do_exit++;
2310 exit_val = 1;
2311 break;
2312 }
2313 if (do_exit)
2314 break;
2315 }
2316
2317 if (do_exit && !(is_backend || nr_clients))
2318 exit(exit_val);
2319
2320 if (nr_clients && fio_clients_connect())
2321 exit(1);
2322
2323 if (is_backend && backend)
2324 return fio_start_server(pid_file);
2325 else if (pid_file)
2326 free(pid_file);
2327
2328 if (td) {
2329 if (!ret) {
2330 ret = add_job(td, td->o.name ?: "fio", 0, 0, client_type);
2331 if (ret)
2332 did_arg = 1;
2333 }
2334 }
2335
2336 while (!ret && optind < argc) {
2337 ini_idx++;
2338 ini_file = realloc(ini_file, ini_idx * sizeof(char *));
2339 ini_file[ini_idx - 1] = strdup(argv[optind]);
2340 optind++;
2341 }
2342
2343 out_free:
2344 if (pid_file)
2345 free(pid_file);
2346
2347 return ini_idx;
2348 }
2349
fio_init_options(void)2350 int fio_init_options(void)
2351 {
2352 f_out = stdout;
2353 f_err = stderr;
2354
2355 fio_options_fill_optstring();
2356 fio_options_dup_and_init(l_opts);
2357
2358 atexit(free_shm);
2359
2360 if (fill_def_thread())
2361 return 1;
2362
2363 return 0;
2364 }
2365
2366 extern int fio_check_options(struct thread_options *);
2367
parse_options(int argc,char * argv[])2368 int parse_options(int argc, char *argv[])
2369 {
2370 const int type = FIO_CLIENT_TYPE_CLI;
2371 int job_files, i;
2372
2373 if (fio_init_options())
2374 return 1;
2375 if (fio_test_cconv(&def_thread.o))
2376 log_err("fio: failed internal cconv test\n");
2377
2378 job_files = parse_cmd_line(argc, argv, type);
2379
2380 if (job_files > 0) {
2381 for (i = 0; i < job_files; i++) {
2382 if (i && fill_def_thread())
2383 return 1;
2384 if (nr_clients) {
2385 if (fio_clients_send_ini(ini_file[i]))
2386 return 1;
2387 free(ini_file[i]);
2388 } else if (!is_backend) {
2389 if (parse_jobs_ini(ini_file[i], 0, i, type))
2390 return 1;
2391 free(ini_file[i]);
2392 }
2393 }
2394 } else if (nr_clients) {
2395 if (fill_def_thread())
2396 return 1;
2397 if (fio_clients_send_ini(NULL))
2398 return 1;
2399 }
2400
2401 free(ini_file);
2402 fio_options_free(&def_thread);
2403 filesetup_mem_free();
2404
2405 if (!thread_number) {
2406 if (parse_dryrun())
2407 return 0;
2408 if (exec_profile)
2409 return 0;
2410 if (is_backend || nr_clients)
2411 return 0;
2412 if (did_arg)
2413 return 0;
2414
2415 log_err("No jobs(s) defined\n\n");
2416
2417 if (!did_arg) {
2418 usage(argv[0]);
2419 return 1;
2420 }
2421
2422 return 0;
2423 }
2424
2425 if (output_format == FIO_OUTPUT_NORMAL)
2426 log_info("%s\n", fio_version_string);
2427
2428 return 0;
2429 }
2430
options_default_fill(struct thread_options * o)2431 void options_default_fill(struct thread_options *o)
2432 {
2433 memcpy(o, &def_thread.o, sizeof(*o));
2434 }
2435