2 * This file contains job initialization and setup functions.
12 #include <sys/types.h>
16 #ifndef FIO_NO_HAVE_SHM_H
29 #include "lib/getopt.h"
30 #include "lib/strcasestr.h"
34 const char fio_version_string[] = FIO_VERSION;
36 #define FIO_RANDSEED (0xb1899bedUL)
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;
44 static struct thread_data def_thread;
45 struct thread_data *threads = NULL;
46 static char **job_sections;
47 static int nr_job_sections;
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;
56 char *exec_profile = NULL;
57 int warnings_fatal = 0;
58 int terse_version = 3;
65 int status_interval = 0;
67 static int prev_group_jobs;
69 unsigned long fio_debug = 0;
70 unsigned int fio_debug_jobno = -1;
71 unsigned int *fio_debug_jobp = NULL;
73 static char cmd_optstr[256];
76 #define FIO_CLIENT_FLAG (1 << 16)
79 * Command line options. These will contain the above, plus a few
80 * extra that only pertain to fio itself and not jobs.
82 static struct option l_opts[FIO_NR_OPTIONS] = {
84 .name = (char *) "output",
85 .has_arg = required_argument,
86 .val = 'o' | FIO_CLIENT_FLAG,
89 .name = (char *) "timeout",
90 .has_arg = required_argument,
91 .val = 't' | FIO_CLIENT_FLAG,
94 .name = (char *) "latency-log",
95 .has_arg = required_argument,
96 .val = 'l' | FIO_CLIENT_FLAG,
99 .name = (char *) "bandwidth-log",
100 .has_arg = required_argument,
101 .val = 'b' | FIO_CLIENT_FLAG,
104 .name = (char *) "minimal",
105 .has_arg = no_argument,
106 .val = 'm' | FIO_CLIENT_FLAG,
109 .name = (char *) "output-format",
110 .has_arg = optional_argument,
111 .val = 'F' | FIO_CLIENT_FLAG,
114 .name = (char *) "append-terse",
115 .has_arg = optional_argument,
119 .name = (char *) "version",
120 .has_arg = no_argument,
121 .val = 'v' | FIO_CLIENT_FLAG,
124 .name = (char *) "help",
125 .has_arg = no_argument,
126 .val = 'h' | FIO_CLIENT_FLAG,
129 .name = (char *) "cmdhelp",
130 .has_arg = optional_argument,
131 .val = 'c' | FIO_CLIENT_FLAG,
134 .name = (char *) "enghelp",
135 .has_arg = optional_argument,
136 .val = 'i' | FIO_CLIENT_FLAG,
139 .name = (char *) "showcmd",
140 .has_arg = no_argument,
141 .val = 's' | FIO_CLIENT_FLAG,
144 .name = (char *) "readonly",
145 .has_arg = no_argument,
146 .val = 'r' | FIO_CLIENT_FLAG,
149 .name = (char *) "eta",
150 .has_arg = required_argument,
151 .val = 'e' | FIO_CLIENT_FLAG,
154 .name = (char *) "eta-newline",
155 .has_arg = required_argument,
156 .val = 'E' | FIO_CLIENT_FLAG,
159 .name = (char *) "debug",
160 .has_arg = required_argument,
161 .val = 'd' | FIO_CLIENT_FLAG,
164 .name = (char *) "parse-only",
165 .has_arg = no_argument,
166 .val = 'P' | FIO_CLIENT_FLAG,
169 .name = (char *) "section",
170 .has_arg = required_argument,
171 .val = 'x' | FIO_CLIENT_FLAG,
175 .name = (char *) "inflate-log",
176 .has_arg = required_argument,
177 .val = 'X' | FIO_CLIENT_FLAG,
181 .name = (char *) "alloc-size",
182 .has_arg = required_argument,
183 .val = 'a' | FIO_CLIENT_FLAG,
186 .name = (char *) "profile",
187 .has_arg = required_argument,
188 .val = 'p' | FIO_CLIENT_FLAG,
191 .name = (char *) "warnings-fatal",
192 .has_arg = no_argument,
193 .val = 'w' | FIO_CLIENT_FLAG,
196 .name = (char *) "max-jobs",
197 .has_arg = required_argument,
198 .val = 'j' | FIO_CLIENT_FLAG,
201 .name = (char *) "terse-version",
202 .has_arg = required_argument,
203 .val = 'V' | FIO_CLIENT_FLAG,
206 .name = (char *) "server",
207 .has_arg = optional_argument,
210 { .name = (char *) "daemonize",
211 .has_arg = required_argument,
215 .name = (char *) "client",
216 .has_arg = required_argument,
220 .name = (char *) "cpuclock-test",
221 .has_arg = no_argument,
225 .name = (char *) "crctest",
226 .has_arg = optional_argument,
230 .name = (char *) "idle-prof",
231 .has_arg = required_argument,
235 .name = (char *) "status-interval",
236 .has_arg = required_argument,
244 void free_threads_shm(void)
248 #ifndef CONFIG_NO_SHM
249 struct shmid_ds sbuf;
253 shmctl(shm_id, IPC_RMID, &sbuf);
262 static void free_shm(void)
267 fio_debug_jobp = NULL;
271 options_free(fio_options, &def_thread);
277 * The thread area is shared between the main process and the job
278 * threads/processes. So setup a shared memory segment that will hold
279 * all the job info. We use the end of the region for keeping track of
280 * open files across jobs, for file sharing.
282 static int setup_thread_area(void)
290 * 1024 is too much on some machines, scale max_jobs if
291 * we get a failure that looks like too large a shm segment
294 size_t size = max_jobs * sizeof(struct thread_data);
296 size += file_hash_size;
297 size += sizeof(unsigned int);
299 #ifndef CONFIG_NO_SHM
300 shm_id = shmget(0, size, IPC_CREAT | 0600);
303 if (errno != EINVAL && errno != ENOMEM && errno != ENOSPC) {
308 threads = malloc(size);
316 #ifndef CONFIG_NO_SHM
320 threads = shmat(shm_id, NULL, 0);
321 if (threads == (void *) -1) {
327 memset(threads, 0, max_jobs * sizeof(struct thread_data));
328 hash = (void *) threads + max_jobs * sizeof(struct thread_data);
329 fio_debug_jobp = (void *) hash + file_hash_size;
330 *fio_debug_jobp = -1;
331 file_hash_init(hash);
338 static void set_cmd_options(struct thread_data *td)
340 struct thread_options *o = &td->o;
343 o->timeout = def_timeout;
347 * Return a free job structure.
349 static struct thread_data *get_new_job(int global, struct thread_data *parent,
350 int preserve_eo, const char *jobname)
352 struct thread_data *td;
355 set_cmd_options(&def_thread);
358 if (setup_thread_area()) {
359 log_err("error: failed to setup shm segment\n");
362 if (thread_number >= max_jobs) {
363 log_err("error: maximum number of jobs (%d) reached.\n",
368 td = &threads[thread_number++];
375 td->o.uid = td->o.gid = -1U;
377 dup_files(td, parent);
378 fio_options_mem_dupe(td);
380 profile_add_hooks(td);
382 td->thread_number = thread_number;
383 td->subjob_number = 0;
386 td->o.name = strdup(jobname);
388 if (!parent->o.group_reporting)
395 static void put_job(struct thread_data *td)
397 if (td == &def_thread)
404 log_info("fio: %s\n", td->verror);
406 fio_options_free(td);
413 memset(&threads[td->thread_number - 1], 0, sizeof(*td));
417 static int __setup_rate(struct thread_data *td, enum fio_ddir ddir)
419 unsigned int bs = td->o.min_bs[ddir];
421 assert(ddir_rw(ddir));
423 if (td->o.rate[ddir])
424 td->rate_bps[ddir] = td->o.rate[ddir];
426 td->rate_bps[ddir] = td->o.rate_iops[ddir] * bs;
428 if (!td->rate_bps[ddir]) {
429 log_err("rate lower than supported\n");
433 td->rate_pending_usleep[ddir] = 0;
437 static int setup_rate(struct thread_data *td)
441 if (td->o.rate[DDIR_READ] || td->o.rate_iops[DDIR_READ])
442 ret = __setup_rate(td, DDIR_READ);
443 if (td->o.rate[DDIR_WRITE] || td->o.rate_iops[DDIR_WRITE])
444 ret |= __setup_rate(td, DDIR_WRITE);
445 if (td->o.rate[DDIR_TRIM] || td->o.rate_iops[DDIR_TRIM])
446 ret |= __setup_rate(td, DDIR_TRIM);
451 static int fixed_block_size(struct thread_options *o)
453 return o->min_bs[DDIR_READ] == o->max_bs[DDIR_READ] &&
454 o->min_bs[DDIR_WRITE] == o->max_bs[DDIR_WRITE] &&
455 o->min_bs[DDIR_TRIM] == o->max_bs[DDIR_TRIM] &&
456 o->min_bs[DDIR_READ] == o->min_bs[DDIR_WRITE] &&
457 o->min_bs[DDIR_READ] == o->min_bs[DDIR_TRIM];
461 static unsigned long long get_rand_start_delay(struct thread_data *td)
463 unsigned long long delayrange;
466 delayrange = td->o.start_delay_high - td->o.start_delay;
468 if (td->o.use_os_rand) {
469 r = os_random_long(&td->delay_state);
470 delayrange = (unsigned long long) ((double) delayrange * (r / (OS_RAND_MAX + 1.0)));
472 r = __rand(&td->__delay_state);
473 delayrange = (unsigned long long) ((double) delayrange * (r / (FRAND_MAX + 1.0)));
476 delayrange += td->o.start_delay;
481 * Lazy way of fixing up options that depend on each other. We could also
482 * define option callback handlers, but this is easier.
484 static int fixup_options(struct thread_data *td)
486 struct thread_options *o = &td->o;
489 #ifndef FIO_HAVE_PSHARED_MUTEX
490 if (!o->use_thread) {
491 log_info("fio: this platform does not support process shared"
492 " mutexes, forcing use of threads. Use the 'thread'"
493 " option to get rid of this warning.\n");
495 ret = warnings_fatal;
499 if (o->write_iolog_file && o->read_iolog_file) {
500 log_err("fio: read iolog overrides write_iolog\n");
501 free(o->write_iolog_file);
502 o->write_iolog_file = NULL;
503 ret = warnings_fatal;
507 * only really works with 1 file
509 if (o->zone_size && o->open_files > 1)
513 * If zone_range isn't specified, backward compatibility dictates it
514 * should be made equal to zone_size.
516 if (o->zone_size && !o->zone_range)
517 o->zone_range = o->zone_size;
520 * Reads can do overwrites, we always need to pre-create the file
522 if (td_read(td) || td_rw(td))
525 if (!o->min_bs[DDIR_READ])
526 o->min_bs[DDIR_READ] = o->bs[DDIR_READ];
527 if (!o->max_bs[DDIR_READ])
528 o->max_bs[DDIR_READ] = o->bs[DDIR_READ];
529 if (!o->min_bs[DDIR_WRITE])
530 o->min_bs[DDIR_WRITE] = o->bs[DDIR_WRITE];
531 if (!o->max_bs[DDIR_WRITE])
532 o->max_bs[DDIR_WRITE] = o->bs[DDIR_WRITE];
533 if (!o->min_bs[DDIR_TRIM])
534 o->min_bs[DDIR_TRIM] = o->bs[DDIR_TRIM];
535 if (!o->max_bs[DDIR_TRIM])
536 o->max_bs[DDIR_TRIM] = o->bs[DDIR_TRIM];
539 o->rw_min_bs = min(o->min_bs[DDIR_READ], o->min_bs[DDIR_WRITE]);
540 o->rw_min_bs = min(o->min_bs[DDIR_TRIM], o->rw_min_bs);
543 * For random IO, allow blockalign offset other than min_bs.
545 if (!o->ba[DDIR_READ] || !td_random(td))
546 o->ba[DDIR_READ] = o->min_bs[DDIR_READ];
547 if (!o->ba[DDIR_WRITE] || !td_random(td))
548 o->ba[DDIR_WRITE] = o->min_bs[DDIR_WRITE];
549 if (!o->ba[DDIR_TRIM] || !td_random(td))
550 o->ba[DDIR_TRIM] = o->min_bs[DDIR_TRIM];
552 if ((o->ba[DDIR_READ] != o->min_bs[DDIR_READ] ||
553 o->ba[DDIR_WRITE] != o->min_bs[DDIR_WRITE] ||
554 o->ba[DDIR_TRIM] != o->min_bs[DDIR_TRIM]) &&
556 log_err("fio: Any use of blockalign= turns off randommap\n");
558 ret = warnings_fatal;
561 if (!o->file_size_high)
562 o->file_size_high = o->file_size_low;
564 if (o->start_delay_high)
565 o->start_delay = get_rand_start_delay(td);
567 if (o->norandommap && o->verify != VERIFY_NONE
568 && !fixed_block_size(o)) {
569 log_err("fio: norandommap given for variable block sizes, "
570 "verify disabled\n");
571 o->verify = VERIFY_NONE;
572 ret = warnings_fatal;
574 if (o->bs_unaligned && (o->odirect || td->io_ops->flags & FIO_RAWIO))
575 log_err("fio: bs_unaligned may not work with raw io\n");
578 * thinktime_spin must be less than thinktime
580 if (o->thinktime_spin > o->thinktime)
581 o->thinktime_spin = o->thinktime;
584 * The low water mark cannot be bigger than the iodepth
586 if (o->iodepth_low > o->iodepth || !o->iodepth_low)
587 o->iodepth_low = o->iodepth;
590 * If batch number isn't set, default to the same as iodepth
592 if (o->iodepth_batch > o->iodepth || !o->iodepth_batch)
593 o->iodepth_batch = o->iodepth;
595 if (o->nr_files > td->files_index)
596 o->nr_files = td->files_index;
598 if (o->open_files > o->nr_files || !o->open_files)
599 o->open_files = o->nr_files;
601 if (((o->rate[DDIR_READ] + o->rate[DDIR_WRITE] + o->rate[DDIR_TRIM]) &&
602 (o->rate_iops[DDIR_READ] + o->rate_iops[DDIR_WRITE] + o->rate_iops[DDIR_TRIM])) ||
603 ((o->ratemin[DDIR_READ] + o->ratemin[DDIR_WRITE] + o->ratemin[DDIR_TRIM]) &&
604 (o->rate_iops_min[DDIR_READ] + o->rate_iops_min[DDIR_WRITE] + o->rate_iops_min[DDIR_TRIM]))) {
605 log_err("fio: rate and rate_iops are mutually exclusive\n");
608 if ((o->rate[DDIR_READ] < o->ratemin[DDIR_READ]) ||
609 (o->rate[DDIR_WRITE] < o->ratemin[DDIR_WRITE]) ||
610 (o->rate[DDIR_TRIM] < o->ratemin[DDIR_TRIM]) ||
611 (o->rate_iops[DDIR_READ] < o->rate_iops_min[DDIR_READ]) ||
612 (o->rate_iops[DDIR_WRITE] < o->rate_iops_min[DDIR_WRITE]) ||
613 (o->rate_iops[DDIR_TRIM] < o->rate_iops_min[DDIR_TRIM])) {
614 log_err("fio: minimum rate exceeds rate\n");
618 if (!o->timeout && o->time_based) {
619 log_err("fio: time_based requires a runtime/timeout setting\n");
621 ret = warnings_fatal;
624 if (o->fill_device && !o->size)
627 if (o->verify != VERIFY_NONE) {
628 if (td_write(td) && o->do_verify && o->numjobs > 1) {
629 log_info("Multiple writers may overwrite blocks that "
630 "belong to other jobs. This can cause "
631 "verification failures.\n");
632 ret = warnings_fatal;
635 o->refill_buffers = 1;
636 if (o->max_bs[DDIR_WRITE] != o->min_bs[DDIR_WRITE] &&
638 o->verify_interval = o->min_bs[DDIR_WRITE];
641 * Verify interval must be smaller or equal to the
644 if (o->verify_interval > o->min_bs[DDIR_WRITE])
645 o->verify_interval = o->min_bs[DDIR_WRITE];
646 else if (td_read(td) && o->verify_interval > o->min_bs[DDIR_READ])
647 o->verify_interval = o->min_bs[DDIR_READ];
651 o->invalidate_cache = 0;
652 if (td->io_ops->flags & FIO_PIPEIO) {
653 log_info("fio: cannot pre-read files with an IO engine"
654 " that isn't seekable. Pre-read disabled.\n");
655 ret = warnings_fatal;
660 if (td->io_ops->flags & FIO_BIT_BASED)
666 #ifndef CONFIG_FDATASYNC
667 if (o->fdatasync_blocks) {
668 log_info("fio: this platform does not support fdatasync()"
669 " falling back to using fsync(). Use the 'fsync'"
670 " option instead of 'fdatasync' to get rid of"
672 o->fsync_blocks = o->fdatasync_blocks;
673 o->fdatasync_blocks = 0;
674 ret = warnings_fatal;
680 * Windows doesn't support O_DIRECT or O_SYNC with the _open interface,
681 * so fail if we're passed those flags
683 if ((td->io_ops->flags & FIO_SYNCIO) && (td->o.odirect || td->o.sync_io)) {
684 log_err("fio: Windows does not support direct or non-buffered io with"
685 " the synchronous ioengines. Use the 'windowsaio' ioengine"
686 " with 'direct=1' and 'iodepth=1' instead.\n");
692 * For fully compressible data, just zero them at init time.
693 * It's faster than repeatedly filling it.
695 if (td->o.compress_percentage == 100) {
696 td->o.zero_buffers = 1;
697 td->o.compress_percentage = 0;
701 * Using a non-uniform random distribution excludes usage of
704 if (td->o.random_distribution != FIO_RAND_DIST_RANDOM)
705 td->o.norandommap = 1;
708 * If size is set but less than the min block size, complain
710 if (o->size && o->size < td_min_bs(td)) {
711 log_err("fio: size too small, must be larger than the IO size: %llu\n", (unsigned long long) o->size);
716 * O_ATOMIC implies O_DIRECT
722 * If randseed is set, that overrides randrepeat
725 td->o.rand_repeatable = 0;
727 if ((td->io_ops->flags & FIO_NOEXTEND) && td->o.file_append) {
728 log_err("fio: can't append/extent with IO engine %s\n", td->io_ops->name);
736 * This function leaks the buffer
738 char *fio_uint_to_kmg(unsigned int val)
740 char *buf = malloc(32);
741 char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 };
752 snprintf(buf, 32, "%u%c", val, *p);
756 /* External engines are specified by "external:name.o") */
757 static const char *get_engine_name(const char *str)
759 char *p = strstr(str, ":");
765 strip_blank_front(&p);
770 static int exists_and_not_file(const char *filename)
774 if (lstat(filename, &sb) == -1)
777 /* \\.\ is the device namespace in Windows, where every file
778 * is a device node */
779 if (S_ISREG(sb.st_mode) && strncmp(filename, "\\\\.\\", 4) != 0)
785 static void td_fill_rand_seeds_os(struct thread_data *td)
787 os_random_seed(td->rand_seeds[FIO_RAND_BS_OFF], &td->bsrange_state);
788 os_random_seed(td->rand_seeds[FIO_RAND_VER_OFF], &td->verify_state);
789 os_random_seed(td->rand_seeds[FIO_RAND_MIX_OFF], &td->rwmix_state);
791 if (td->o.file_service_type == FIO_FSERVICE_RANDOM)
792 os_random_seed(td->rand_seeds[FIO_RAND_FILE_OFF], &td->next_file_state);
794 os_random_seed(td->rand_seeds[FIO_RAND_FILE_SIZE_OFF], &td->file_size_state);
795 os_random_seed(td->rand_seeds[FIO_RAND_TRIM_OFF], &td->trim_state);
796 os_random_seed(td->rand_seeds[FIO_RAND_START_DELAY], &td->delay_state);
801 if (td->o.rand_repeatable)
802 td->rand_seeds[FIO_RAND_BLOCK_OFF] = FIO_RANDSEED * td->thread_number;
804 os_random_seed(td->rand_seeds[FIO_RAND_BLOCK_OFF], &td->random_state);
806 os_random_seed(td->rand_seeds[FIO_RAND_SEQ_RAND_READ_OFF], &td->seq_rand_state[DDIR_READ]);
807 os_random_seed(td->rand_seeds[FIO_RAND_SEQ_RAND_WRITE_OFF], &td->seq_rand_state[DDIR_WRITE]);
808 os_random_seed(td->rand_seeds[FIO_RAND_SEQ_RAND_TRIM_OFF], &td->seq_rand_state[DDIR_TRIM]);
811 static void td_fill_rand_seeds_internal(struct thread_data *td)
813 init_rand_seed(&td->__bsrange_state, td->rand_seeds[FIO_RAND_BS_OFF]);
814 init_rand_seed(&td->__verify_state, td->rand_seeds[FIO_RAND_VER_OFF]);
815 init_rand_seed(&td->__rwmix_state, td->rand_seeds[FIO_RAND_MIX_OFF]);
817 if (td->o.file_service_type == FIO_FSERVICE_RANDOM)
818 init_rand_seed(&td->__next_file_state, td->rand_seeds[FIO_RAND_FILE_OFF]);
820 init_rand_seed(&td->__file_size_state, td->rand_seeds[FIO_RAND_FILE_SIZE_OFF]);
821 init_rand_seed(&td->__trim_state, td->rand_seeds[FIO_RAND_TRIM_OFF]);
822 init_rand_seed(&td->__delay_state, td->rand_seeds[FIO_RAND_START_DELAY]);
827 if (td->o.rand_repeatable)
828 td->rand_seeds[FIO_RAND_BLOCK_OFF] = FIO_RANDSEED * td->thread_number;
830 init_rand_seed(&td->__random_state, td->rand_seeds[FIO_RAND_BLOCK_OFF]);
831 init_rand_seed(&td->__seq_rand_state[DDIR_READ], td->rand_seeds[FIO_RAND_SEQ_RAND_READ_OFF]);
832 init_rand_seed(&td->__seq_rand_state[DDIR_WRITE], td->rand_seeds[FIO_RAND_SEQ_RAND_WRITE_OFF]);
833 init_rand_seed(&td->__seq_rand_state[DDIR_TRIM], td->rand_seeds[FIO_RAND_SEQ_RAND_TRIM_OFF]);
836 void td_fill_rand_seeds(struct thread_data *td)
838 if (td->o.allrand_repeatable) {
841 for (i = 0; i < FIO_RAND_NR_OFFS; i++)
842 td->rand_seeds[i] = FIO_RANDSEED * td->thread_number
846 if (td->o.use_os_rand)
847 td_fill_rand_seeds_os(td);
849 td_fill_rand_seeds_internal(td);
851 init_rand_seed(&td->buf_state, td->rand_seeds[FIO_RAND_BUF_OFF]);
852 frand_copy(&td->buf_state_prev, &td->buf_state);
854 init_rand_seed(&td->dedupe_state, td->rand_seeds[FIO_DEDUPE_OFF]);
858 * Initializes the ioengine configured for a job, if it has not been done so
861 int ioengine_load(struct thread_data *td)
866 * Engine has already been loaded.
870 if (!td->o.ioengine) {
871 log_err("fio: internal fault, no IO engine specified\n");
875 engine = get_engine_name(td->o.ioengine);
876 td->io_ops = load_ioengine(td, engine);
878 log_err("fio: failed to load engine %s\n", engine);
882 if (td->io_ops->option_struct_size && td->io_ops->options) {
884 * In cases where td->eo is set, clone it for a child thread.
885 * This requires that the parent thread has the same ioengine,
886 * but that requirement must be enforced by the code which
889 void *origeo = td->eo;
891 * Otherwise use the default thread options.
893 if (!origeo && td != &def_thread && def_thread.eo &&
894 def_thread.io_ops->options == td->io_ops->options)
895 origeo = def_thread.eo;
897 options_init(td->io_ops->options);
898 td->eo = malloc(td->io_ops->option_struct_size);
900 * Use the default thread as an option template if this uses the
901 * same options structure and there are non-default options
905 memcpy(td->eo, origeo, td->io_ops->option_struct_size);
906 options_mem_dupe(td->eo, td->io_ops->options);
908 memset(td->eo, 0, td->io_ops->option_struct_size);
909 fill_default_options(td->eo, td->io_ops->options);
911 *(struct thread_data **)td->eo = td;
917 static void init_flags(struct thread_data *td)
919 struct thread_options *o = &td->o;
921 if (o->verify_backlog)
922 td->flags |= TD_F_VER_BACKLOG;
924 td->flags |= TD_F_TRIM_BACKLOG;
925 if (o->read_iolog_file)
926 td->flags |= TD_F_READ_IOLOG;
927 if (o->refill_buffers)
928 td->flags |= TD_F_REFILL_BUFFERS;
929 if (o->scramble_buffers)
930 td->flags |= TD_F_SCRAMBLE_BUFFERS;
931 if (o->verify != VERIFY_NONE)
932 td->flags |= TD_F_VER_NONE;
935 static int setup_random_seeds(struct thread_data *td)
940 if (!td->o.rand_repeatable && !td->o.rand_seed)
941 return init_random_state(td, td->rand_seeds, sizeof(td->rand_seeds));
943 if (!td->o.rand_seed)
946 seed = td->o.rand_seed;
948 for (i = 0; i < 4; i++)
949 seed *= 0x9e370001UL;
951 for (i = 0; i < FIO_RAND_NR_OFFS; i++) {
952 td->rand_seeds[i] = seed;
953 seed *= 0x9e370001UL;
956 td_fill_rand_seeds(td);
967 static struct fpre_keyword {
971 } fpre_keywords[] = {
972 { .keyword = "$jobname", .key = FPRE_JOBNAME, },
973 { .keyword = "$jobnum", .key = FPRE_JOBNUM, },
974 { .keyword = "$filenum", .key = FPRE_FILENUM, },
975 { .keyword = NULL, },
978 static char *make_filename(char *buf, size_t buf_size,struct thread_options *o,
979 const char *jobname, int jobnum, int filenum)
981 struct fpre_keyword *f;
983 size_t dst_left = PATH_MAX - 1;
985 if (!o->filename_format || !strlen(o->filename_format)) {
986 sprintf(buf, "%s.%d.%d", jobname, jobnum, filenum);
990 for (f = &fpre_keywords[0]; f->keyword; f++)
991 f->strlen = strlen(f->keyword);
993 buf[buf_size - 1] = '\0';
994 strncpy(buf, o->filename_format, buf_size - 1);
996 memset(copy, 0, sizeof(copy));
997 for (f = &fpre_keywords[0]; f->keyword; f++) {
999 size_t pre_len, post_start = 0;
1000 char *str, *dst = copy;
1002 str = strcasestr(buf, f->keyword);
1006 pre_len = str - buf;
1007 if (strlen(str) != f->strlen)
1008 post_start = pre_len + f->strlen;
1011 strncpy(dst, buf, pre_len);
1013 dst_left -= pre_len;
1017 case FPRE_JOBNAME: {
1020 ret = snprintf(dst, dst_left, "%s", jobname);
1030 ret = snprintf(dst, dst_left, "%d", jobnum);
1037 case FPRE_FILENUM: {
1040 ret = snprintf(dst, dst_left, "%d", filenum);
1053 strncpy(dst, buf + post_start, dst_left);
1055 strncpy(buf, copy, buf_size - 1);
1062 int parse_dryrun(void)
1064 return dump_cmdline || parse_only;
1068 * Adds a job to the list of things todo. Sanitizes the various options
1069 * to make sure we don't have conflicts, and initializes various
1072 static int add_job(struct thread_data *td, const char *jobname, int job_add_num,
1073 int recursed, int client_type)
1076 char fname[PATH_MAX];
1077 int numjobs, file_alloced;
1078 struct thread_options *o = &td->o;
1079 char logname[PATH_MAX + 32];
1082 * the def_thread is just for options, it's not a real job
1084 if (td == &def_thread)
1090 * if we are just dumping the output command line, don't add the job
1092 if (parse_dryrun()) {
1097 td->client_type = client_type;
1099 if (profile_td_init(td))
1102 if (ioengine_load(td))
1106 td->io_ops->flags |= FIO_RAWIO;
1109 if (!o->filename && !td->files_index && !o->read_iolog_file) {
1112 if (o->nr_files == 1 && exists_and_not_file(jobname))
1113 add_file(td, jobname, job_add_num, 0);
1115 for (i = 0; i < o->nr_files; i++)
1116 add_file(td, make_filename(fname, sizeof(fname), o, jobname, job_add_num, i), job_add_num, 0);
1120 if (fixup_options(td))
1126 * IO engines only need this for option callbacks, and the address may
1127 * change in subprocesses.
1130 *(struct thread_data **)td->eo = NULL;
1132 if (td->io_ops->flags & FIO_DISKLESSIO) {
1135 for_each_file(td, f, i)
1136 f->real_file_size = -1ULL;
1139 td->mutex = fio_mutex_init(FIO_MUTEX_LOCKED);
1141 td->ts.clat_percentiles = o->clat_percentiles;
1142 td->ts.percentile_precision = o->percentile_precision;
1143 memcpy(td->ts.percentile_list, o->percentile_list, sizeof(o->percentile_list));
1145 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
1146 td->ts.clat_stat[i].min_val = ULONG_MAX;
1147 td->ts.slat_stat[i].min_val = ULONG_MAX;
1148 td->ts.lat_stat[i].min_val = ULONG_MAX;
1149 td->ts.bw_stat[i].min_val = ULONG_MAX;
1151 td->ddir_seq_nr = o->ddir_seq_nr;
1153 if ((o->stonewall || o->new_group) && prev_group_jobs) {
1154 prev_group_jobs = 0;
1158 td->groupid = groupid;
1161 if (setup_random_seeds(td)) {
1162 td_verror(td, errno, "init_random_state");
1169 if (o->lat_log_file) {
1170 struct log_params p = {
1172 .avg_msec = o->log_avg_msec,
1173 .log_type = IO_LOG_TYPE_LAT,
1174 .log_offset = o->log_offset,
1175 .log_gz = o->log_gz,
1176 .log_gz_store = o->log_gz_store,
1185 snprintf(logname, sizeof(logname), "%s_lat.%d.%s",
1186 o->lat_log_file, td->thread_number, suf);
1187 setup_log(&td->lat_log, &p, logname);
1188 snprintf(logname, sizeof(logname), "%s_slat.%d.%s",
1189 o->lat_log_file, td->thread_number, suf);
1190 setup_log(&td->slat_log, &p, logname);
1191 snprintf(logname, sizeof(logname), "%s_clat.%d.%s",
1192 o->lat_log_file, td->thread_number, suf);
1193 setup_log(&td->clat_log, &p, logname);
1195 if (o->bw_log_file) {
1196 struct log_params p = {
1198 .avg_msec = o->log_avg_msec,
1199 .log_type = IO_LOG_TYPE_BW,
1200 .log_offset = o->log_offset,
1201 .log_gz = o->log_gz,
1202 .log_gz_store = o->log_gz_store,
1211 snprintf(logname, sizeof(logname), "%s_bw.%d.%s",
1212 o->bw_log_file, td->thread_number, suf);
1213 setup_log(&td->bw_log, &p, logname);
1215 if (o->iops_log_file) {
1216 struct log_params p = {
1218 .avg_msec = o->log_avg_msec,
1219 .log_type = IO_LOG_TYPE_IOPS,
1220 .log_offset = o->log_offset,
1221 .log_gz = o->log_gz,
1222 .log_gz_store = o->log_gz_store,
1231 snprintf(logname, sizeof(logname), "%s_iops.%d.%s",
1232 o->iops_log_file, td->thread_number, suf);
1233 setup_log(&td->iops_log, &p, logname);
1237 o->name = strdup(jobname);
1239 if (output_format == FIO_OUTPUT_NORMAL) {
1241 if (is_backend && !recursed)
1242 fio_server_send_add_job(td);
1244 if (!(td->io_ops->flags & FIO_NOIO)) {
1245 char *c1, *c2, *c3, *c4;
1246 char *c5 = NULL, *c6 = NULL;
1248 c1 = fio_uint_to_kmg(o->min_bs[DDIR_READ]);
1249 c2 = fio_uint_to_kmg(o->max_bs[DDIR_READ]);
1250 c3 = fio_uint_to_kmg(o->min_bs[DDIR_WRITE]);
1251 c4 = fio_uint_to_kmg(o->max_bs[DDIR_WRITE]);
1253 if (!o->bs_is_seq_rand) {
1254 c5 = fio_uint_to_kmg(o->min_bs[DDIR_TRIM]);
1255 c6 = fio_uint_to_kmg(o->max_bs[DDIR_TRIM]);
1258 log_info("%s: (g=%d): rw=%s, ", td->o.name,
1260 ddir_str(o->td_ddir));
1262 if (o->bs_is_seq_rand)
1263 log_info("bs(seq/rand)=%s-%s/%s-%s, ",
1266 log_info("bs=%s-%s/%s-%s/%s-%s, ",
1267 c1, c2, c3, c4, c5, c6);
1269 log_info("ioengine=%s, iodepth=%u\n",
1270 td->io_ops->name, o->iodepth);
1279 } else if (job_add_num == 1)
1284 * recurse add identical jobs, clear numjobs and stonewall options
1285 * as they don't apply to sub-jobs
1287 numjobs = o->numjobs;
1289 struct thread_data *td_new = get_new_job(0, td, 1, jobname);
1294 td_new->o.numjobs = 1;
1295 td_new->o.stonewall = 0;
1296 td_new->o.new_group = 0;
1297 td_new->subjob_number = numjobs;
1300 if (td_new->files) {
1302 for_each_file(td_new, f, i) {
1304 sfree(f->file_name);
1307 free(td_new->files);
1308 td_new->files = NULL;
1310 td_new->files_index = 0;
1311 td_new->files_size = 0;
1312 if (td_new->o.filename) {
1313 free(td_new->o.filename);
1314 td_new->o.filename = NULL;
1318 if (add_job(td_new, jobname, numjobs, 1, client_type))
1329 * Parse as if 'o' was a command line
1331 void add_job_opts(const char **o, int client_type)
1333 struct thread_data *td, *td_parent;
1334 int i, in_global = 1;
1338 td_parent = td = NULL;
1340 if (!strncmp(o[i], "name", 4)) {
1343 add_job(td, jobname, 0, 0, client_type);
1345 sprintf(jobname, "%s", o[i] + 5);
1347 if (in_global && !td_parent)
1348 td_parent = get_new_job(1, &def_thread, 0, jobname);
1349 else if (!in_global && !td) {
1351 td_parent = &def_thread;
1352 td = get_new_job(0, td_parent, 0, jobname);
1355 fio_options_parse(td_parent, (char **) &o[i], 1, 0);
1357 fio_options_parse(td, (char **) &o[i], 1, 0);
1362 add_job(td, jobname, 0, 0, client_type);
1365 static int skip_this_section(const char *name)
1369 if (!nr_job_sections)
1371 if (!strncmp(name, "global", 6))
1374 for (i = 0; i < nr_job_sections; i++)
1375 if (!strcmp(job_sections[i], name))
1381 static int is_empty_or_comment(char *line)
1385 for (i = 0; i < strlen(line); i++) {
1390 if (!isspace((int) line[i]) && !iscntrl((int) line[i]))
1398 * This is our [ini] type file parser.
1400 int __parse_jobs_ini(struct thread_data *td,
1401 char *file, int is_buf, int stonewall_flag, int type,
1402 int nested, char *name, char ***popts, int *aopts, int *nopts)
1404 unsigned int global = 0;
1408 int ret = 0, stonewall;
1411 int inside_skip = 0;
1413 int i, alloc_opts, num_opts;
1415 dprint(FD_PARSE, "Parsing ini file %s\n", file);
1416 assert(td || !nested);
1421 if (!strcmp(file, "-"))
1424 f = fopen(file, "r");
1427 perror("fopen job file");
1432 string = malloc(4096);
1435 * it's really 256 + small bit, 280 should suffice
1439 memset(name, 0, 280);
1443 if (nested && popts) {
1445 alloc_opts = *aopts;
1451 opts = malloc(sizeof(char *) * alloc_opts);
1455 stonewall = stonewall_flag;
1458 * if skip_fgets is set, we already have loaded a line we
1463 p = strsep(&file, "\n");
1465 p = fgets(string, 4096, f);
1471 strip_blank_front(&p);
1474 dprint(FD_PARSE, "%s\n", p);
1475 if (is_empty_or_comment(p))
1479 if (sscanf(p, "[%255[^\n]]", name) != 1) {
1483 log_err("fio: option <%s> outside of "
1484 "[] job section\n", p);
1488 name[strlen(name) - 1] = '\0';
1490 if (skip_this_section(name)) {
1496 dprint(FD_PARSE, "Parsing section [%s]\n", name);
1498 global = !strncmp(name, "global", 6);
1504 log_info("--name=%s ", name);
1508 td = get_new_job(global, &def_thread, 0, name);
1515 * Separate multiple job files by a stonewall
1517 if (!global && stonewall) {
1518 td->o.stonewall = stonewall;
1523 memset(opts, 0, alloc_opts * sizeof(char *));
1531 p = strsep(&file, "\n");
1533 p = fgets(string, 4096, f);
1536 dprint(FD_PARSE, "%s", p);
1541 if (is_empty_or_comment(p))
1544 strip_blank_front(&p);
1547 * new section, break out and make sure we don't
1548 * fgets() a new line at the top.
1552 log_err("No new sections in included files\n");
1562 if (!strncmp(p, "include", strlen("include"))) {
1563 char *filename = p + strlen("include") + 1;
1565 if ((ret = __parse_jobs_ini(td, filename,
1566 is_buf, stonewall_flag, type, 1,
1567 name, &opts, &alloc_opts, &num_opts))) {
1568 log_err("Error %d while parsing include file %s\n",
1575 if (num_opts == alloc_opts) {
1577 opts = realloc(opts,
1578 alloc_opts * sizeof(char *));
1581 opts[num_opts] = strdup(p);
1587 *aopts = alloc_opts;
1592 ret = fio_options_parse(td, opts, num_opts, dump_cmdline);
1594 ret = add_job(td, name, 0, 0, type);
1596 log_err("fio: job %s dropped\n", name);
1600 for (i = 0; i < num_opts; i++)
1609 while (i < nr_job_sections) {
1610 free(job_sections[i]);
1619 if (!is_buf && f != stdin)
1624 int parse_jobs_ini(char *file, int is_buf, int stonewall_flag, int type)
1626 return __parse_jobs_ini(NULL, file, is_buf, stonewall_flag, type,
1627 0, NULL, NULL, NULL, NULL);
1630 static int fill_def_thread(void)
1632 memset(&def_thread, 0, sizeof(def_thread));
1634 fio_getaffinity(getpid(), &def_thread.o.cpumask);
1635 def_thread.o.error_dump = 1;
1638 * fill default options
1640 fio_fill_default_options(&def_thread);
1644 static void usage(const char *name)
1646 printf("%s\n", fio_version_string);
1647 printf("%s [options] [job options] <job file(s)>\n", name);
1648 printf(" --debug=options\tEnable debug logging. May be one/more of:\n"
1649 "\t\t\tprocess,file,io,mem,blktrace,verify,random,parse,\n"
1650 "\t\t\tdiskutil,job,mutex,profile,time,net,rate,compress\n");
1651 printf(" --parse-only\t\tParse options only, don't start any IO\n");
1652 printf(" --output\t\tWrite output to file\n");
1653 printf(" --runtime\t\tRuntime in seconds\n");
1654 printf(" --bandwidth-log\tGenerate per-job bandwidth logs\n");
1655 printf(" --minimal\t\tMinimal (terse) output\n");
1656 printf(" --output-format=x\tOutput format (terse,json,normal)\n");
1657 printf(" --terse-version=x\tSet terse version output format to 'x'\n");
1658 printf(" --version\t\tPrint version info and exit\n");
1659 printf(" --help\t\tPrint this page\n");
1660 printf(" --cpuclock-test\tPerform test/validation of CPU clock\n");
1661 printf(" --crctest\t\tTest speed of checksum functions\n");
1662 printf(" --cmdhelp=cmd\t\tPrint command help, \"all\" for all of"
1664 printf(" --enghelp=engine\tPrint ioengine help, or list"
1665 " available ioengines\n");
1666 printf(" --enghelp=engine,cmd\tPrint help for an ioengine"
1668 printf(" --showcmd\t\tTurn a job file into command line options\n");
1669 printf(" --eta=when\t\tWhen ETA estimate should be printed\n");
1670 printf(" \t\tMay be \"always\", \"never\" or \"auto\"\n");
1671 printf(" --eta-newline=time\tForce a new line for every 'time'");
1672 printf(" period passed\n");
1673 printf(" --status-interval=t\tForce full status dump every");
1674 printf(" 't' period passed\n");
1675 printf(" --readonly\t\tTurn on safety read-only checks, preventing"
1677 printf(" --section=name\tOnly run specified section in job file\n");
1678 printf(" --alloc-size=kb\tSet smalloc pool to this size in kb"
1680 printf(" --warnings-fatal\tFio parser warnings are fatal\n");
1681 printf(" --max-jobs=nr\t\tMaximum number of threads/processes to support\n");
1682 printf(" --server=args\t\tStart a backend fio server\n");
1683 printf(" --daemonize=pidfile\tBackground fio server, write pid to file\n");
1684 printf(" --client=hostname\tTalk to remote backend fio server at hostname\n");
1685 printf(" --idle-prof=option\tReport cpu idleness on a system or percpu basis\n"
1686 "\t\t\t(option=system,percpu) or run unit work\n"
1687 "\t\t\tcalibration only (option=calibrate)\n");
1689 printf(" --inflate-log=log\tInflate and output compressed log\n");
1691 printf("\nFio was written by Jens Axboe <jens.axboe@oracle.com>");
1692 printf("\n Jens Axboe <jaxboe@fusionio.com>");
1693 printf("\n Jens Axboe <axboe@fb.com>\n");
1696 #ifdef FIO_INC_DEBUG
1697 struct debug_level debug_levels[] = {
1698 { .name = "process",
1699 .help = "Process creation/exit logging",
1700 .shift = FD_PROCESS,
1703 .help = "File related action logging",
1707 .help = "IO and IO engine action logging (offsets, queue, completions, etc)",
1711 .help = "Memory allocation/freeing logging",
1714 { .name = "blktrace",
1715 .help = "blktrace action logging",
1716 .shift = FD_BLKTRACE,
1719 .help = "IO verification action logging",
1723 .help = "Random generation logging",
1727 .help = "Parser logging",
1730 { .name = "diskutil",
1731 .help = "Disk utility logging actions",
1732 .shift = FD_DISKUTIL,
1735 .help = "Logging related to creating/destroying jobs",
1739 .help = "Mutex logging",
1742 { .name = "profile",
1743 .help = "Logging related to profiles",
1744 .shift = FD_PROFILE,
1747 .help = "Logging related to time keeping functions",
1751 .help = "Network logging",
1755 .help = "Rate logging",
1758 { .name = "compress",
1759 .help = "Log compression logging",
1760 .shift = FD_COMPRESS,
1765 static int set_debug(const char *string)
1767 struct debug_level *dl;
1768 char *p = (char *) string;
1772 if (!strcmp(string, "?") || !strcmp(string, "help")) {
1773 log_info("fio: dumping debug options:");
1774 for (i = 0; debug_levels[i].name; i++) {
1775 dl = &debug_levels[i];
1776 log_info("%s,", dl->name);
1782 while ((opt = strsep(&p, ",")) != NULL) {
1785 if (!strncmp(opt, "all", 3)) {
1786 log_info("fio: set all debug options\n");
1791 for (i = 0; debug_levels[i].name; i++) {
1792 dl = &debug_levels[i];
1793 found = !strncmp(opt, dl->name, strlen(dl->name));
1797 if (dl->shift == FD_JOB) {
1798 opt = strchr(opt, ':');
1800 log_err("fio: missing job number\n");
1804 fio_debug_jobno = atoi(opt);
1805 log_info("fio: set debug jobno %d\n",
1808 log_info("fio: set debug option %s\n", opt);
1809 fio_debug |= (1UL << dl->shift);
1815 log_err("fio: debug mask %s not found\n", opt);
1820 static int set_debug(const char *string)
1822 log_err("fio: debug tracing not included in build\n");
1827 static void fio_options_fill_optstring(void)
1829 char *ostr = cmd_optstr;
1833 while (l_opts[i].name) {
1834 ostr[c++] = l_opts[i].val;
1835 if (l_opts[i].has_arg == required_argument)
1837 else if (l_opts[i].has_arg == optional_argument) {
1846 static int client_flag_set(char c)
1851 while (l_opts[i].name) {
1852 int val = l_opts[i].val;
1854 if (c == (val & 0xff))
1855 return (val & FIO_CLIENT_FLAG);
1863 static void parse_cmd_client(void *client, char *opt)
1865 fio_client_add_cmd_option(client, opt);
1868 int parse_cmd_line(int argc, char *argv[], int client_type)
1870 struct thread_data *td = NULL;
1871 int c, ini_idx = 0, lidx, ret = 0, do_exit = 0, exit_val = 0;
1872 char *ostr = cmd_optstr;
1873 void *pid_file = NULL;
1874 void *cur_client = NULL;
1878 * Reset optind handling, since we may call this multiple times
1883 while ((c = getopt_long_only(argc, argv, ostr, l_opts, &lidx)) != -1) {
1884 if ((c & FIO_CLIENT_FLAG) || client_flag_set(c)) {
1885 parse_cmd_client(cur_client, argv[optind - 1]);
1886 c &= ~FIO_CLIENT_FLAG;
1891 smalloc_pool_size = atoi(optarg);
1894 if (check_str_time(optarg, &def_timeout, 1)) {
1895 log_err("fio: failed parsing time %s\n", optarg);
1901 log_err("fio: --latency-log is deprecated. Use per-job latency log options.\n");
1909 if (f_out && f_out != stdout)
1912 f_out = fopen(optarg, "w+");
1914 perror("fopen output");
1920 output_format = FIO_OUTPUT_TERSE;
1924 log_err("fio: missing --output-format argument\n");
1929 if (!strcmp(optarg, "minimal") ||
1930 !strcmp(optarg, "terse") ||
1931 !strcmp(optarg, "csv"))
1932 output_format = FIO_OUTPUT_TERSE;
1933 else if (!strcmp(optarg, "json"))
1934 output_format = FIO_OUTPUT_JSON;
1936 output_format = FIO_OUTPUT_NORMAL;
1939 append_terse_output = 1;
1951 fio_show_option_help(optarg);
1958 fio_show_ioengine_help(optarg);
1972 log_info("%s\n", fio_version_string);
1977 terse_version = atoi(optarg);
1978 if (!(terse_version == 2 || terse_version == 3 ||
1979 terse_version == 4)) {
1980 log_err("fio: bad terse version format\n");
1986 if (!strcmp("always", optarg))
1987 eta_print = FIO_ETA_ALWAYS;
1988 else if (!strcmp("never", optarg))
1989 eta_print = FIO_ETA_NEVER;
1994 if (str_to_decimal(optarg, &t, 0, NULL, 1)) {
1995 log_err("fio: failed parsing eta time %s\n", optarg);
2003 if (set_debug(optarg))
2013 if (!strcmp(optarg, "global")) {
2014 log_err("fio: can't use global as only "
2020 new_size = (nr_job_sections + 1) * sizeof(char *);
2021 job_sections = realloc(job_sections, new_size);
2022 job_sections[nr_job_sections] = strdup(optarg);
2028 exit_val = iolog_file_inflate(optarg);
2037 exec_profile = strdup(optarg);
2039 case FIO_GETOPT_JOB: {
2040 const char *opt = l_opts[lidx].name;
2043 if (!strncmp(opt, "name", 4) && td) {
2044 ret = add_job(td, td->o.name ?: "fio", 0, 0, client_type);
2051 int is_section = !strncmp(opt, "name", 4);
2054 if (!is_section || !strncmp(val, "global", 6))
2057 if (is_section && skip_this_section(val))
2060 td = get_new_job(global, &def_thread, 1, NULL);
2061 if (!td || ioengine_load(td)) {
2069 fio_options_set_ioengine_opts(l_opts, td);
2072 if ((!val || !strlen(val)) &&
2073 l_opts[lidx].has_arg == required_argument) {
2074 log_err("fio: option %s requires an argument\n", opt);
2077 ret = fio_cmd_option_parse(td, opt, val);
2087 if (!ret && !strcmp(opt, "ioengine")) {
2089 if (ioengine_load(td)) {
2095 fio_options_set_ioengine_opts(l_opts, td);
2099 case FIO_GETOPT_IOENGINE: {
2100 const char *opt = l_opts[lidx].name;
2106 ret = fio_cmd_ioengine_option_parse(td, opt, val);
2113 max_jobs = atoi(optarg);
2114 if (!max_jobs || max_jobs > REAL_MAX_JOBS) {
2115 log_err("fio: invalid max jobs: %d\n", max_jobs);
2122 #ifndef CONFIG_NO_SHM
2124 log_err("fio: can't be both client and server\n");
2130 fio_server_set_arg(optarg);
2134 log_err("fio: client/server requires SHM support\n");
2142 pid_file = strdup(optarg);
2145 if ((ret = fio_idle_prof_parse_opt(optarg))) {
2146 /* exit on error and calibration only */
2156 log_err("fio: can't be both client and server\n");
2161 if (fio_client_add(&fio_client_ops, optarg, &cur_client)) {
2162 log_err("fio: failed adding client %s\n", optarg);
2168 * If the next argument exists and isn't an option,
2169 * assume it's a job file for this client only.
2171 while (optind < argc) {
2172 if (!strncmp(argv[optind], "--", 2) ||
2173 !strncmp(argv[optind], "-", 1))
2176 fio_client_add_ini_file(cur_client, argv[optind]);
2183 exit_val = fio_monotonic_clocktest();
2188 exit_val = fio_crctest(optarg);
2193 if (check_str_time(optarg, &val, 0)) {
2194 log_err("fio: failed parsing time %s\n", optarg);
2199 status_interval = val * 1000;
2203 log_err("%s: unrecognized option '%s'\n", argv[0],
2214 if (do_exit && !(is_backend || nr_clients))
2217 if (nr_clients && fio_clients_connect())
2220 if (is_backend && backend)
2221 return fio_start_server(pid_file);
2227 ret = add_job(td, td->o.name ?: "fio", 0, 0, client_type);
2233 while (!ret && optind < argc) {
2235 ini_file = realloc(ini_file, ini_idx * sizeof(char *));
2236 ini_file[ini_idx - 1] = strdup(argv[optind]);
2247 int fio_init_options(void)
2252 fio_options_fill_optstring();
2253 fio_options_dup_and_init(l_opts);
2257 if (fill_def_thread())
2263 extern int fio_check_options(struct thread_options *);
2265 int parse_options(int argc, char *argv[])
2267 const int type = FIO_CLIENT_TYPE_CLI;
2270 if (fio_init_options())
2272 if (fio_test_cconv(&def_thread.o))
2273 log_err("fio: failed internal cconv test\n");
2275 job_files = parse_cmd_line(argc, argv, type);
2277 if (job_files > 0) {
2278 for (i = 0; i < job_files; i++) {
2279 if (i && fill_def_thread())
2282 if (fio_clients_send_ini(ini_file[i]))
2285 } else if (!is_backend) {
2286 if (parse_jobs_ini(ini_file[i], 0, i, type))
2291 } else if (nr_clients) {
2292 if (fill_def_thread())
2294 if (fio_clients_send_ini(NULL))
2299 fio_options_free(&def_thread);
2300 filesetup_mem_free();
2302 if (!thread_number) {
2307 if (is_backend || nr_clients)
2312 log_err("No jobs(s) defined\n\n");
2322 if (def_thread.o.gtod_offload) {
2324 fio_gtod_offload = 1;
2325 fio_gtod_cpu = def_thread.o.gtod_cpu;
2328 if (output_format == FIO_OUTPUT_NORMAL)
2329 log_info("%s\n", fio_version_string);
2334 void options_default_fill(struct thread_options *o)
2336 memcpy(o, &def_thread.o, sizeof(*o));