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 *) "remote-config",
221 .has_arg = required_argument,
225 .name = (char *) "cpuclock-test",
226 .has_arg = no_argument,
230 .name = (char *) "crctest",
231 .has_arg = optional_argument,
235 .name = (char *) "idle-prof",
236 .has_arg = required_argument,
240 .name = (char *) "status-interval",
241 .has_arg = required_argument,
249 void free_threads_shm(void)
253 #ifndef CONFIG_NO_SHM
254 struct shmid_ds sbuf;
258 shmctl(shm_id, IPC_RMID, &sbuf);
267 static void free_shm(void)
272 fio_debug_jobp = NULL;
276 options_free(fio_options, &def_thread);
282 * The thread area is shared between the main process and the job
283 * threads/processes. So setup a shared memory segment that will hold
284 * all the job info. We use the end of the region for keeping track of
285 * open files across jobs, for file sharing.
287 static int setup_thread_area(void)
295 * 1024 is too much on some machines, scale max_jobs if
296 * we get a failure that looks like too large a shm segment
299 size_t size = max_jobs * sizeof(struct thread_data);
301 size += file_hash_size;
302 size += sizeof(unsigned int);
304 #ifndef CONFIG_NO_SHM
305 shm_id = shmget(0, size, IPC_CREAT | 0600);
308 if (errno != EINVAL && errno != ENOMEM && errno != ENOSPC) {
313 threads = malloc(size);
321 #ifndef CONFIG_NO_SHM
325 threads = shmat(shm_id, NULL, 0);
326 if (threads == (void *) -1) {
332 memset(threads, 0, max_jobs * sizeof(struct thread_data));
333 hash = (void *) threads + max_jobs * sizeof(struct thread_data);
334 fio_debug_jobp = (void *) hash + file_hash_size;
335 *fio_debug_jobp = -1;
336 file_hash_init(hash);
343 static void set_cmd_options(struct thread_data *td)
345 struct thread_options *o = &td->o;
348 o->timeout = def_timeout;
352 * Return a free job structure.
354 static struct thread_data *get_new_job(int global, struct thread_data *parent,
355 int preserve_eo, const char *jobname)
357 struct thread_data *td;
360 set_cmd_options(&def_thread);
363 if (setup_thread_area()) {
364 log_err("error: failed to setup shm segment\n");
367 if (thread_number >= max_jobs) {
368 log_err("error: maximum number of jobs (%d) reached.\n",
373 td = &threads[thread_number++];
380 td->o.uid = td->o.gid = -1U;
382 dup_files(td, parent);
383 fio_options_mem_dupe(td);
385 profile_add_hooks(td);
387 td->thread_number = thread_number;
388 td->subjob_number = 0;
391 td->o.name = strdup(jobname);
393 if (!parent->o.group_reporting)
400 static void put_job(struct thread_data *td)
402 if (td == &def_thread)
409 log_info("fio: %s\n", td->verror);
411 fio_options_free(td);
418 memset(&threads[td->thread_number - 1], 0, sizeof(*td));
422 static int __setup_rate(struct thread_data *td, enum fio_ddir ddir)
424 unsigned int bs = td->o.min_bs[ddir];
426 assert(ddir_rw(ddir));
428 if (td->o.rate[ddir])
429 td->rate_bps[ddir] = td->o.rate[ddir];
431 td->rate_bps[ddir] = td->o.rate_iops[ddir] * bs;
433 if (!td->rate_bps[ddir]) {
434 log_err("rate lower than supported\n");
438 td->rate_pending_usleep[ddir] = 0;
442 static int setup_rate(struct thread_data *td)
446 if (td->o.rate[DDIR_READ] || td->o.rate_iops[DDIR_READ])
447 ret = __setup_rate(td, DDIR_READ);
448 if (td->o.rate[DDIR_WRITE] || td->o.rate_iops[DDIR_WRITE])
449 ret |= __setup_rate(td, DDIR_WRITE);
450 if (td->o.rate[DDIR_TRIM] || td->o.rate_iops[DDIR_TRIM])
451 ret |= __setup_rate(td, DDIR_TRIM);
456 static int fixed_block_size(struct thread_options *o)
458 return o->min_bs[DDIR_READ] == o->max_bs[DDIR_READ] &&
459 o->min_bs[DDIR_WRITE] == o->max_bs[DDIR_WRITE] &&
460 o->min_bs[DDIR_TRIM] == o->max_bs[DDIR_TRIM] &&
461 o->min_bs[DDIR_READ] == o->min_bs[DDIR_WRITE] &&
462 o->min_bs[DDIR_READ] == o->min_bs[DDIR_TRIM];
466 static unsigned long long get_rand_start_delay(struct thread_data *td)
468 unsigned long long delayrange;
471 delayrange = td->o.start_delay_high - td->o.start_delay;
473 if (td->o.use_os_rand) {
474 r = os_random_long(&td->delay_state);
475 delayrange = (unsigned long long) ((double) delayrange * (r / (OS_RAND_MAX + 1.0)));
477 r = __rand(&td->__delay_state);
478 delayrange = (unsigned long long) ((double) delayrange * (r / (FRAND_MAX + 1.0)));
481 delayrange += td->o.start_delay;
486 * Lazy way of fixing up options that depend on each other. We could also
487 * define option callback handlers, but this is easier.
489 static int fixup_options(struct thread_data *td)
491 struct thread_options *o = &td->o;
494 #ifndef FIO_HAVE_PSHARED_MUTEX
495 if (!o->use_thread) {
496 log_info("fio: this platform does not support process shared"
497 " mutexes, forcing use of threads. Use the 'thread'"
498 " option to get rid of this warning.\n");
500 ret = warnings_fatal;
504 if (o->write_iolog_file && o->read_iolog_file) {
505 log_err("fio: read iolog overrides write_iolog\n");
506 free(o->write_iolog_file);
507 o->write_iolog_file = NULL;
508 ret = warnings_fatal;
512 * only really works with 1 file
514 if (o->zone_size && o->open_files > 1)
518 * If zone_range isn't specified, backward compatibility dictates it
519 * should be made equal to zone_size.
521 if (o->zone_size && !o->zone_range)
522 o->zone_range = o->zone_size;
525 * Reads can do overwrites, we always need to pre-create the file
527 if (td_read(td) || td_rw(td))
530 if (!o->min_bs[DDIR_READ])
531 o->min_bs[DDIR_READ] = o->bs[DDIR_READ];
532 if (!o->max_bs[DDIR_READ])
533 o->max_bs[DDIR_READ] = o->bs[DDIR_READ];
534 if (!o->min_bs[DDIR_WRITE])
535 o->min_bs[DDIR_WRITE] = o->bs[DDIR_WRITE];
536 if (!o->max_bs[DDIR_WRITE])
537 o->max_bs[DDIR_WRITE] = o->bs[DDIR_WRITE];
538 if (!o->min_bs[DDIR_TRIM])
539 o->min_bs[DDIR_TRIM] = o->bs[DDIR_TRIM];
540 if (!o->max_bs[DDIR_TRIM])
541 o->max_bs[DDIR_TRIM] = o->bs[DDIR_TRIM];
544 o->rw_min_bs = min(o->min_bs[DDIR_READ], o->min_bs[DDIR_WRITE]);
545 o->rw_min_bs = min(o->min_bs[DDIR_TRIM], o->rw_min_bs);
548 * For random IO, allow blockalign offset other than min_bs.
550 if (!o->ba[DDIR_READ] || !td_random(td))
551 o->ba[DDIR_READ] = o->min_bs[DDIR_READ];
552 if (!o->ba[DDIR_WRITE] || !td_random(td))
553 o->ba[DDIR_WRITE] = o->min_bs[DDIR_WRITE];
554 if (!o->ba[DDIR_TRIM] || !td_random(td))
555 o->ba[DDIR_TRIM] = o->min_bs[DDIR_TRIM];
557 if ((o->ba[DDIR_READ] != o->min_bs[DDIR_READ] ||
558 o->ba[DDIR_WRITE] != o->min_bs[DDIR_WRITE] ||
559 o->ba[DDIR_TRIM] != o->min_bs[DDIR_TRIM]) &&
561 log_err("fio: Any use of blockalign= turns off randommap\n");
563 ret = warnings_fatal;
566 if (!o->file_size_high)
567 o->file_size_high = o->file_size_low;
569 if (o->start_delay_high)
570 o->start_delay = get_rand_start_delay(td);
572 if (o->norandommap && o->verify != VERIFY_NONE
573 && !fixed_block_size(o)) {
574 log_err("fio: norandommap given for variable block sizes, "
575 "verify disabled\n");
576 o->verify = VERIFY_NONE;
577 ret = warnings_fatal;
579 if (o->bs_unaligned && (o->odirect || td->io_ops->flags & FIO_RAWIO))
580 log_err("fio: bs_unaligned may not work with raw io\n");
583 * thinktime_spin must be less than thinktime
585 if (o->thinktime_spin > o->thinktime)
586 o->thinktime_spin = o->thinktime;
589 * The low water mark cannot be bigger than the iodepth
591 if (o->iodepth_low > o->iodepth || !o->iodepth_low)
592 o->iodepth_low = o->iodepth;
595 * If batch number isn't set, default to the same as iodepth
597 if (o->iodepth_batch > o->iodepth || !o->iodepth_batch)
598 o->iodepth_batch = o->iodepth;
600 if (o->nr_files > td->files_index)
601 o->nr_files = td->files_index;
603 if (o->open_files > o->nr_files || !o->open_files)
604 o->open_files = o->nr_files;
606 if (((o->rate[DDIR_READ] + o->rate[DDIR_WRITE] + o->rate[DDIR_TRIM]) &&
607 (o->rate_iops[DDIR_READ] + o->rate_iops[DDIR_WRITE] + o->rate_iops[DDIR_TRIM])) ||
608 ((o->ratemin[DDIR_READ] + o->ratemin[DDIR_WRITE] + o->ratemin[DDIR_TRIM]) &&
609 (o->rate_iops_min[DDIR_READ] + o->rate_iops_min[DDIR_WRITE] + o->rate_iops_min[DDIR_TRIM]))) {
610 log_err("fio: rate and rate_iops are mutually exclusive\n");
613 if ((o->rate[DDIR_READ] < o->ratemin[DDIR_READ]) ||
614 (o->rate[DDIR_WRITE] < o->ratemin[DDIR_WRITE]) ||
615 (o->rate[DDIR_TRIM] < o->ratemin[DDIR_TRIM]) ||
616 (o->rate_iops[DDIR_READ] < o->rate_iops_min[DDIR_READ]) ||
617 (o->rate_iops[DDIR_WRITE] < o->rate_iops_min[DDIR_WRITE]) ||
618 (o->rate_iops[DDIR_TRIM] < o->rate_iops_min[DDIR_TRIM])) {
619 log_err("fio: minimum rate exceeds rate\n");
623 if (!o->timeout && o->time_based) {
624 log_err("fio: time_based requires a runtime/timeout setting\n");
626 ret = warnings_fatal;
629 if (o->fill_device && !o->size)
632 if (o->verify != VERIFY_NONE) {
633 if (td_write(td) && o->do_verify && o->numjobs > 1) {
634 log_info("Multiple writers may overwrite blocks that "
635 "belong to other jobs. This can cause "
636 "verification failures.\n");
637 ret = warnings_fatal;
640 o->refill_buffers = 1;
641 if (o->max_bs[DDIR_WRITE] != o->min_bs[DDIR_WRITE] &&
643 o->verify_interval = o->min_bs[DDIR_WRITE];
646 * Verify interval must be smaller or equal to the
649 if (o->verify_interval > o->min_bs[DDIR_WRITE])
650 o->verify_interval = o->min_bs[DDIR_WRITE];
651 else if (td_read(td) && o->verify_interval > o->min_bs[DDIR_READ])
652 o->verify_interval = o->min_bs[DDIR_READ];
656 o->invalidate_cache = 0;
657 if (td->io_ops->flags & FIO_PIPEIO) {
658 log_info("fio: cannot pre-read files with an IO engine"
659 " that isn't seekable. Pre-read disabled.\n");
660 ret = warnings_fatal;
665 if (td->io_ops->flags & FIO_BIT_BASED)
671 #ifndef CONFIG_FDATASYNC
672 if (o->fdatasync_blocks) {
673 log_info("fio: this platform does not support fdatasync()"
674 " falling back to using fsync(). Use the 'fsync'"
675 " option instead of 'fdatasync' to get rid of"
677 o->fsync_blocks = o->fdatasync_blocks;
678 o->fdatasync_blocks = 0;
679 ret = warnings_fatal;
685 * Windows doesn't support O_DIRECT or O_SYNC with the _open interface,
686 * so fail if we're passed those flags
688 if ((td->io_ops->flags & FIO_SYNCIO) && (td->o.odirect || td->o.sync_io)) {
689 log_err("fio: Windows does not support direct or non-buffered io with"
690 " the synchronous ioengines. Use the 'windowsaio' ioengine"
691 " with 'direct=1' and 'iodepth=1' instead.\n");
697 * For fully compressible data, just zero them at init time.
698 * It's faster than repeatedly filling it.
700 if (td->o.compress_percentage == 100) {
701 td->o.zero_buffers = 1;
702 td->o.compress_percentage = 0;
706 * Using a non-uniform random distribution excludes usage of
709 if (td->o.random_distribution != FIO_RAND_DIST_RANDOM)
710 td->o.norandommap = 1;
713 * If size is set but less than the min block size, complain
715 if (o->size && o->size < td_min_bs(td)) {
716 log_err("fio: size too small, must be larger than the IO size: %llu\n", (unsigned long long) o->size);
721 * O_ATOMIC implies O_DIRECT
727 * If randseed is set, that overrides randrepeat
730 td->o.rand_repeatable = 0;
732 if ((td->io_ops->flags & FIO_NOEXTEND) && td->o.file_append) {
733 log_err("fio: can't append/extent with IO engine %s\n", td->io_ops->name);
741 * This function leaks the buffer
743 char *fio_uint_to_kmg(unsigned int val)
745 char *buf = malloc(32);
746 char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 };
757 snprintf(buf, 32, "%u%c", val, *p);
761 /* External engines are specified by "external:name.o") */
762 static const char *get_engine_name(const char *str)
764 char *p = strstr(str, ":");
770 strip_blank_front(&p);
775 static int exists_and_not_file(const char *filename)
779 if (lstat(filename, &sb) == -1)
782 /* \\.\ is the device namespace in Windows, where every file
783 * is a device node */
784 if (S_ISREG(sb.st_mode) && strncmp(filename, "\\\\.\\", 4) != 0)
790 static void td_fill_rand_seeds_os(struct thread_data *td)
792 os_random_seed(td->rand_seeds[FIO_RAND_BS_OFF], &td->bsrange_state);
793 os_random_seed(td->rand_seeds[FIO_RAND_VER_OFF], &td->verify_state);
794 os_random_seed(td->rand_seeds[FIO_RAND_MIX_OFF], &td->rwmix_state);
796 if (td->o.file_service_type == FIO_FSERVICE_RANDOM)
797 os_random_seed(td->rand_seeds[FIO_RAND_FILE_OFF], &td->next_file_state);
799 os_random_seed(td->rand_seeds[FIO_RAND_FILE_SIZE_OFF], &td->file_size_state);
800 os_random_seed(td->rand_seeds[FIO_RAND_TRIM_OFF], &td->trim_state);
801 os_random_seed(td->rand_seeds[FIO_RAND_START_DELAY], &td->delay_state);
806 if (td->o.rand_repeatable)
807 td->rand_seeds[FIO_RAND_BLOCK_OFF] = FIO_RANDSEED * td->thread_number;
809 os_random_seed(td->rand_seeds[FIO_RAND_BLOCK_OFF], &td->random_state);
811 os_random_seed(td->rand_seeds[FIO_RAND_SEQ_RAND_READ_OFF], &td->seq_rand_state[DDIR_READ]);
812 os_random_seed(td->rand_seeds[FIO_RAND_SEQ_RAND_WRITE_OFF], &td->seq_rand_state[DDIR_WRITE]);
813 os_random_seed(td->rand_seeds[FIO_RAND_SEQ_RAND_TRIM_OFF], &td->seq_rand_state[DDIR_TRIM]);
816 static void td_fill_rand_seeds_internal(struct thread_data *td)
818 init_rand_seed(&td->__bsrange_state, td->rand_seeds[FIO_RAND_BS_OFF]);
819 init_rand_seed(&td->__verify_state, td->rand_seeds[FIO_RAND_VER_OFF]);
820 init_rand_seed(&td->__rwmix_state, td->rand_seeds[FIO_RAND_MIX_OFF]);
822 if (td->o.file_service_type == FIO_FSERVICE_RANDOM)
823 init_rand_seed(&td->__next_file_state, td->rand_seeds[FIO_RAND_FILE_OFF]);
825 init_rand_seed(&td->__file_size_state, td->rand_seeds[FIO_RAND_FILE_SIZE_OFF]);
826 init_rand_seed(&td->__trim_state, td->rand_seeds[FIO_RAND_TRIM_OFF]);
827 init_rand_seed(&td->__delay_state, td->rand_seeds[FIO_RAND_START_DELAY]);
832 if (td->o.rand_repeatable)
833 td->rand_seeds[FIO_RAND_BLOCK_OFF] = FIO_RANDSEED * td->thread_number;
835 init_rand_seed(&td->__random_state, td->rand_seeds[FIO_RAND_BLOCK_OFF]);
836 init_rand_seed(&td->__seq_rand_state[DDIR_READ], td->rand_seeds[FIO_RAND_SEQ_RAND_READ_OFF]);
837 init_rand_seed(&td->__seq_rand_state[DDIR_WRITE], td->rand_seeds[FIO_RAND_SEQ_RAND_WRITE_OFF]);
838 init_rand_seed(&td->__seq_rand_state[DDIR_TRIM], td->rand_seeds[FIO_RAND_SEQ_RAND_TRIM_OFF]);
841 void td_fill_rand_seeds(struct thread_data *td)
843 if (td->o.allrand_repeatable) {
846 for (i = 0; i < FIO_RAND_NR_OFFS; i++)
847 td->rand_seeds[i] = FIO_RANDSEED * td->thread_number
851 if (td->o.use_os_rand)
852 td_fill_rand_seeds_os(td);
854 td_fill_rand_seeds_internal(td);
856 init_rand_seed(&td->buf_state, td->rand_seeds[FIO_RAND_BUF_OFF]);
857 frand_copy(&td->buf_state_prev, &td->buf_state);
859 init_rand_seed(&td->dedupe_state, td->rand_seeds[FIO_DEDUPE_OFF]);
863 * Initializes the ioengine configured for a job, if it has not been done so
866 int ioengine_load(struct thread_data *td)
871 * Engine has already been loaded.
875 if (!td->o.ioengine) {
876 log_err("fio: internal fault, no IO engine specified\n");
880 engine = get_engine_name(td->o.ioengine);
881 td->io_ops = load_ioengine(td, engine);
883 log_err("fio: failed to load engine %s\n", engine);
887 if (td->io_ops->option_struct_size && td->io_ops->options) {
889 * In cases where td->eo is set, clone it for a child thread.
890 * This requires that the parent thread has the same ioengine,
891 * but that requirement must be enforced by the code which
894 void *origeo = td->eo;
896 * Otherwise use the default thread options.
898 if (!origeo && td != &def_thread && def_thread.eo &&
899 def_thread.io_ops->options == td->io_ops->options)
900 origeo = def_thread.eo;
902 options_init(td->io_ops->options);
903 td->eo = malloc(td->io_ops->option_struct_size);
905 * Use the default thread as an option template if this uses the
906 * same options structure and there are non-default options
910 memcpy(td->eo, origeo, td->io_ops->option_struct_size);
911 options_mem_dupe(td->eo, td->io_ops->options);
913 memset(td->eo, 0, td->io_ops->option_struct_size);
914 fill_default_options(td->eo, td->io_ops->options);
916 *(struct thread_data **)td->eo = td;
922 static void init_flags(struct thread_data *td)
924 struct thread_options *o = &td->o;
926 if (o->verify_backlog)
927 td->flags |= TD_F_VER_BACKLOG;
929 td->flags |= TD_F_TRIM_BACKLOG;
930 if (o->read_iolog_file)
931 td->flags |= TD_F_READ_IOLOG;
932 if (o->refill_buffers)
933 td->flags |= TD_F_REFILL_BUFFERS;
934 if (o->scramble_buffers)
935 td->flags |= TD_F_SCRAMBLE_BUFFERS;
936 if (o->verify != VERIFY_NONE)
937 td->flags |= TD_F_VER_NONE;
940 static int setup_random_seeds(struct thread_data *td)
945 if (!td->o.rand_repeatable && !td->o.rand_seed)
946 return init_random_state(td, td->rand_seeds, sizeof(td->rand_seeds));
948 if (!td->o.rand_seed)
951 seed = td->o.rand_seed;
953 for (i = 0; i < 4; i++)
954 seed *= 0x9e370001UL;
956 for (i = 0; i < FIO_RAND_NR_OFFS; i++) {
957 td->rand_seeds[i] = seed;
958 seed *= 0x9e370001UL;
961 td_fill_rand_seeds(td);
972 static struct fpre_keyword {
976 } fpre_keywords[] = {
977 { .keyword = "$jobname", .key = FPRE_JOBNAME, },
978 { .keyword = "$jobnum", .key = FPRE_JOBNUM, },
979 { .keyword = "$filenum", .key = FPRE_FILENUM, },
980 { .keyword = NULL, },
983 static char *make_filename(char *buf, size_t buf_size,struct thread_options *o,
984 const char *jobname, int jobnum, int filenum)
986 struct fpre_keyword *f;
988 size_t dst_left = PATH_MAX - 1;
990 if (!o->filename_format || !strlen(o->filename_format)) {
991 sprintf(buf, "%s.%d.%d", jobname, jobnum, filenum);
995 for (f = &fpre_keywords[0]; f->keyword; f++)
996 f->strlen = strlen(f->keyword);
998 buf[buf_size - 1] = '\0';
999 strncpy(buf, o->filename_format, buf_size - 1);
1001 memset(copy, 0, sizeof(copy));
1002 for (f = &fpre_keywords[0]; f->keyword; f++) {
1004 size_t pre_len, post_start = 0;
1005 char *str, *dst = copy;
1007 str = strcasestr(buf, f->keyword);
1011 pre_len = str - buf;
1012 if (strlen(str) != f->strlen)
1013 post_start = pre_len + f->strlen;
1016 strncpy(dst, buf, pre_len);
1018 dst_left -= pre_len;
1022 case FPRE_JOBNAME: {
1025 ret = snprintf(dst, dst_left, "%s", jobname);
1035 ret = snprintf(dst, dst_left, "%d", jobnum);
1042 case FPRE_FILENUM: {
1045 ret = snprintf(dst, dst_left, "%d", filenum);
1058 strncpy(dst, buf + post_start, dst_left);
1060 strncpy(buf, copy, buf_size - 1);
1067 int parse_dryrun(void)
1069 return dump_cmdline || parse_only;
1073 * Adds a job to the list of things todo. Sanitizes the various options
1074 * to make sure we don't have conflicts, and initializes various
1077 static int add_job(struct thread_data *td, const char *jobname, int job_add_num,
1078 int recursed, int client_type)
1081 char fname[PATH_MAX];
1082 int numjobs, file_alloced;
1083 struct thread_options *o = &td->o;
1084 char logname[PATH_MAX + 32];
1087 * the def_thread is just for options, it's not a real job
1089 if (td == &def_thread)
1095 * if we are just dumping the output command line, don't add the job
1097 if (parse_dryrun()) {
1102 td->client_type = client_type;
1104 if (profile_td_init(td))
1107 if (ioengine_load(td))
1111 td->io_ops->flags |= FIO_RAWIO;
1114 if (!o->filename && !td->files_index && !o->read_iolog_file) {
1117 if (o->nr_files == 1 && exists_and_not_file(jobname))
1118 add_file(td, jobname, job_add_num, 0);
1120 for (i = 0; i < o->nr_files; i++)
1121 add_file(td, make_filename(fname, sizeof(fname), o, jobname, job_add_num, i), job_add_num, 0);
1125 if (fixup_options(td))
1131 * IO engines only need this for option callbacks, and the address may
1132 * change in subprocesses.
1135 *(struct thread_data **)td->eo = NULL;
1137 if (td->io_ops->flags & FIO_DISKLESSIO) {
1140 for_each_file(td, f, i)
1141 f->real_file_size = -1ULL;
1144 td->mutex = fio_mutex_init(FIO_MUTEX_LOCKED);
1146 td->ts.clat_percentiles = o->clat_percentiles;
1147 td->ts.percentile_precision = o->percentile_precision;
1148 memcpy(td->ts.percentile_list, o->percentile_list, sizeof(o->percentile_list));
1150 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
1151 td->ts.clat_stat[i].min_val = ULONG_MAX;
1152 td->ts.slat_stat[i].min_val = ULONG_MAX;
1153 td->ts.lat_stat[i].min_val = ULONG_MAX;
1154 td->ts.bw_stat[i].min_val = ULONG_MAX;
1156 td->ddir_seq_nr = o->ddir_seq_nr;
1158 if ((o->stonewall || o->new_group) && prev_group_jobs) {
1159 prev_group_jobs = 0;
1163 td->groupid = groupid;
1166 if (setup_random_seeds(td)) {
1167 td_verror(td, errno, "init_random_state");
1174 if (o->lat_log_file) {
1175 struct log_params p = {
1177 .avg_msec = o->log_avg_msec,
1178 .log_type = IO_LOG_TYPE_LAT,
1179 .log_offset = o->log_offset,
1180 .log_gz = o->log_gz,
1181 .log_gz_store = o->log_gz_store,
1190 snprintf(logname, sizeof(logname), "%s_lat.%d.%s",
1191 o->lat_log_file, td->thread_number, suf);
1192 setup_log(&td->lat_log, &p, logname);
1193 snprintf(logname, sizeof(logname), "%s_slat.%d.%s",
1194 o->lat_log_file, td->thread_number, suf);
1195 setup_log(&td->slat_log, &p, logname);
1196 snprintf(logname, sizeof(logname), "%s_clat.%d.%s",
1197 o->lat_log_file, td->thread_number, suf);
1198 setup_log(&td->clat_log, &p, logname);
1200 if (o->bw_log_file) {
1201 struct log_params p = {
1203 .avg_msec = o->log_avg_msec,
1204 .log_type = IO_LOG_TYPE_BW,
1205 .log_offset = o->log_offset,
1206 .log_gz = o->log_gz,
1207 .log_gz_store = o->log_gz_store,
1216 snprintf(logname, sizeof(logname), "%s_bw.%d.%s",
1217 o->bw_log_file, td->thread_number, suf);
1218 setup_log(&td->bw_log, &p, logname);
1220 if (o->iops_log_file) {
1221 struct log_params p = {
1223 .avg_msec = o->log_avg_msec,
1224 .log_type = IO_LOG_TYPE_IOPS,
1225 .log_offset = o->log_offset,
1226 .log_gz = o->log_gz,
1227 .log_gz_store = o->log_gz_store,
1236 snprintf(logname, sizeof(logname), "%s_iops.%d.%s",
1237 o->iops_log_file, td->thread_number, suf);
1238 setup_log(&td->iops_log, &p, logname);
1242 o->name = strdup(jobname);
1244 if (output_format == FIO_OUTPUT_NORMAL) {
1246 if (is_backend && !recursed)
1247 fio_server_send_add_job(td);
1249 if (!(td->io_ops->flags & FIO_NOIO)) {
1250 char *c1, *c2, *c3, *c4;
1251 char *c5 = NULL, *c6 = NULL;
1253 c1 = fio_uint_to_kmg(o->min_bs[DDIR_READ]);
1254 c2 = fio_uint_to_kmg(o->max_bs[DDIR_READ]);
1255 c3 = fio_uint_to_kmg(o->min_bs[DDIR_WRITE]);
1256 c4 = fio_uint_to_kmg(o->max_bs[DDIR_WRITE]);
1258 if (!o->bs_is_seq_rand) {
1259 c5 = fio_uint_to_kmg(o->min_bs[DDIR_TRIM]);
1260 c6 = fio_uint_to_kmg(o->max_bs[DDIR_TRIM]);
1263 log_info("%s: (g=%d): rw=%s, ", td->o.name,
1265 ddir_str(o->td_ddir));
1267 if (o->bs_is_seq_rand)
1268 log_info("bs(seq/rand)=%s-%s/%s-%s, ",
1271 log_info("bs=%s-%s/%s-%s/%s-%s, ",
1272 c1, c2, c3, c4, c5, c6);
1274 log_info("ioengine=%s, iodepth=%u\n",
1275 td->io_ops->name, o->iodepth);
1284 } else if (job_add_num == 1)
1289 * recurse add identical jobs, clear numjobs and stonewall options
1290 * as they don't apply to sub-jobs
1292 numjobs = o->numjobs;
1294 struct thread_data *td_new = get_new_job(0, td, 1, jobname);
1299 td_new->o.numjobs = 1;
1300 td_new->o.stonewall = 0;
1301 td_new->o.new_group = 0;
1302 td_new->subjob_number = numjobs;
1305 if (td_new->files) {
1307 for_each_file(td_new, f, i) {
1309 sfree(f->file_name);
1312 free(td_new->files);
1313 td_new->files = NULL;
1315 td_new->files_index = 0;
1316 td_new->files_size = 0;
1317 if (td_new->o.filename) {
1318 free(td_new->o.filename);
1319 td_new->o.filename = NULL;
1323 if (add_job(td_new, jobname, numjobs, 1, client_type))
1334 * Parse as if 'o' was a command line
1336 void add_job_opts(const char **o, int client_type)
1338 struct thread_data *td, *td_parent;
1339 int i, in_global = 1;
1343 td_parent = td = NULL;
1345 if (!strncmp(o[i], "name", 4)) {
1348 add_job(td, jobname, 0, 0, client_type);
1350 sprintf(jobname, "%s", o[i] + 5);
1352 if (in_global && !td_parent)
1353 td_parent = get_new_job(1, &def_thread, 0, jobname);
1354 else if (!in_global && !td) {
1356 td_parent = &def_thread;
1357 td = get_new_job(0, td_parent, 0, jobname);
1360 fio_options_parse(td_parent, (char **) &o[i], 1, 0);
1362 fio_options_parse(td, (char **) &o[i], 1, 0);
1367 add_job(td, jobname, 0, 0, client_type);
1370 static int skip_this_section(const char *name)
1374 if (!nr_job_sections)
1376 if (!strncmp(name, "global", 6))
1379 for (i = 0; i < nr_job_sections; i++)
1380 if (!strcmp(job_sections[i], name))
1386 static int is_empty_or_comment(char *line)
1390 for (i = 0; i < strlen(line); i++) {
1395 if (!isspace((int) line[i]) && !iscntrl((int) line[i]))
1403 * This is our [ini] type file parser.
1405 int __parse_jobs_ini(struct thread_data *td,
1406 char *file, int is_buf, int stonewall_flag, int type,
1407 int nested, char *name, char ***popts, int *aopts, int *nopts)
1409 unsigned int global = 0;
1413 int ret = 0, stonewall;
1416 int inside_skip = 0;
1418 int i, alloc_opts, num_opts;
1420 dprint(FD_PARSE, "Parsing ini file %s\n", file);
1421 assert(td || !nested);
1426 if (!strcmp(file, "-"))
1429 f = fopen(file, "r");
1434 log_err("fio: unable to open '%s' job file\n", file);
1436 td_verror(td, __err, "job file open");
1441 string = malloc(4096);
1444 * it's really 256 + small bit, 280 should suffice
1448 memset(name, 0, 280);
1452 if (nested && popts) {
1454 alloc_opts = *aopts;
1460 opts = malloc(sizeof(char *) * alloc_opts);
1464 stonewall = stonewall_flag;
1467 * if skip_fgets is set, we already have loaded a line we
1472 p = strsep(&file, "\n");
1474 p = fgets(string, 4096, f);
1480 strip_blank_front(&p);
1483 dprint(FD_PARSE, "%s\n", p);
1484 if (is_empty_or_comment(p))
1488 if (sscanf(p, "[%255[^\n]]", name) != 1) {
1492 log_err("fio: option <%s> outside of "
1493 "[] job section\n", p);
1498 name[strlen(name) - 1] = '\0';
1500 if (skip_this_section(name)) {
1506 dprint(FD_PARSE, "Parsing section [%s]\n", name);
1508 global = !strncmp(name, "global", 6);
1514 log_info("--name=%s ", name);
1518 td = get_new_job(global, &def_thread, 0, name);
1525 * Separate multiple job files by a stonewall
1527 if (!global && stonewall) {
1528 td->o.stonewall = stonewall;
1533 memset(opts, 0, alloc_opts * sizeof(char *));
1541 p = strsep(&file, "\n");
1543 p = fgets(string, 4096, f);
1546 dprint(FD_PARSE, "%s", p);
1551 if (is_empty_or_comment(p))
1554 strip_blank_front(&p);
1557 * new section, break out and make sure we don't
1558 * fgets() a new line at the top.
1562 log_err("No new sections in included files\n");
1572 if (!strncmp(p, "include", strlen("include"))) {
1573 char *filename = p + strlen("include") + 1;
1575 if ((ret = __parse_jobs_ini(td, filename,
1576 is_buf, stonewall_flag, type, 1,
1577 name, &opts, &alloc_opts, &num_opts))) {
1578 log_err("Error %d while parsing include file %s\n",
1585 if (num_opts == alloc_opts) {
1587 opts = realloc(opts,
1588 alloc_opts * sizeof(char *));
1591 opts[num_opts] = strdup(p);
1597 *aopts = alloc_opts;
1602 ret = fio_options_parse(td, opts, num_opts, dump_cmdline);
1604 ret = add_job(td, name, 0, 0, type);
1606 log_err("fio: job %s dropped\n", name);
1610 for (i = 0; i < num_opts; i++)
1619 while (i < nr_job_sections) {
1620 free(job_sections[i]);
1629 if (!is_buf && f != stdin)
1634 int parse_jobs_ini(char *file, int is_buf, int stonewall_flag, int type)
1636 return __parse_jobs_ini(NULL, file, is_buf, stonewall_flag, type,
1637 0, NULL, NULL, NULL, NULL);
1640 static int fill_def_thread(void)
1642 memset(&def_thread, 0, sizeof(def_thread));
1644 fio_getaffinity(getpid(), &def_thread.o.cpumask);
1645 def_thread.o.error_dump = 1;
1648 * fill default options
1650 fio_fill_default_options(&def_thread);
1654 static void usage(const char *name)
1656 printf("%s\n", fio_version_string);
1657 printf("%s [options] [job options] <job file(s)>\n", name);
1658 printf(" --debug=options\tEnable debug logging. May be one/more of:\n"
1659 "\t\t\tprocess,file,io,mem,blktrace,verify,random,parse,\n"
1660 "\t\t\tdiskutil,job,mutex,profile,time,net,rate,compress\n");
1661 printf(" --parse-only\t\tParse options only, don't start any IO\n");
1662 printf(" --output\t\tWrite output to file\n");
1663 printf(" --runtime\t\tRuntime in seconds\n");
1664 printf(" --bandwidth-log\tGenerate per-job bandwidth logs\n");
1665 printf(" --minimal\t\tMinimal (terse) output\n");
1666 printf(" --output-format=x\tOutput format (terse,json,normal)\n");
1667 printf(" --terse-version=x\tSet terse version output format to 'x'\n");
1668 printf(" --version\t\tPrint version info and exit\n");
1669 printf(" --help\t\tPrint this page\n");
1670 printf(" --cpuclock-test\tPerform test/validation of CPU clock\n");
1671 printf(" --crctest\t\tTest speed of checksum functions\n");
1672 printf(" --cmdhelp=cmd\t\tPrint command help, \"all\" for all of"
1674 printf(" --enghelp=engine\tPrint ioengine help, or list"
1675 " available ioengines\n");
1676 printf(" --enghelp=engine,cmd\tPrint help for an ioengine"
1678 printf(" --showcmd\t\tTurn a job file into command line options\n");
1679 printf(" --eta=when\t\tWhen ETA estimate should be printed\n");
1680 printf(" \t\tMay be \"always\", \"never\" or \"auto\"\n");
1681 printf(" --eta-newline=time\tForce a new line for every 'time'");
1682 printf(" period passed\n");
1683 printf(" --status-interval=t\tForce full status dump every");
1684 printf(" 't' period passed\n");
1685 printf(" --readonly\t\tTurn on safety read-only checks, preventing"
1687 printf(" --section=name\tOnly run specified section in job file\n");
1688 printf(" --alloc-size=kb\tSet smalloc pool to this size in kb"
1690 printf(" --warnings-fatal\tFio parser warnings are fatal\n");
1691 printf(" --max-jobs=nr\t\tMaximum number of threads/processes to support\n");
1692 printf(" --server=args\t\tStart a backend fio server\n");
1693 printf(" --daemonize=pidfile\tBackground fio server, write pid to file\n");
1694 printf(" --client=hostname\tTalk to remote backend fio server at hostname\n");
1695 printf(" --remote-config=file\tTell fio server to load this local job file\n");
1696 printf(" --idle-prof=option\tReport cpu idleness on a system or percpu basis\n"
1697 "\t\t\t(option=system,percpu) or run unit work\n"
1698 "\t\t\tcalibration only (option=calibrate)\n");
1700 printf(" --inflate-log=log\tInflate and output compressed log\n");
1702 printf("\nFio was written by Jens Axboe <jens.axboe@oracle.com>");
1703 printf("\n Jens Axboe <jaxboe@fusionio.com>");
1704 printf("\n Jens Axboe <axboe@fb.com>\n");
1707 #ifdef FIO_INC_DEBUG
1708 struct debug_level debug_levels[] = {
1709 { .name = "process",
1710 .help = "Process creation/exit logging",
1711 .shift = FD_PROCESS,
1714 .help = "File related action logging",
1718 .help = "IO and IO engine action logging (offsets, queue, completions, etc)",
1722 .help = "Memory allocation/freeing logging",
1725 { .name = "blktrace",
1726 .help = "blktrace action logging",
1727 .shift = FD_BLKTRACE,
1730 .help = "IO verification action logging",
1734 .help = "Random generation logging",
1738 .help = "Parser logging",
1741 { .name = "diskutil",
1742 .help = "Disk utility logging actions",
1743 .shift = FD_DISKUTIL,
1746 .help = "Logging related to creating/destroying jobs",
1750 .help = "Mutex logging",
1753 { .name = "profile",
1754 .help = "Logging related to profiles",
1755 .shift = FD_PROFILE,
1758 .help = "Logging related to time keeping functions",
1762 .help = "Network logging",
1766 .help = "Rate logging",
1769 { .name = "compress",
1770 .help = "Log compression logging",
1771 .shift = FD_COMPRESS,
1776 static int set_debug(const char *string)
1778 struct debug_level *dl;
1779 char *p = (char *) string;
1783 if (!strcmp(string, "?") || !strcmp(string, "help")) {
1784 log_info("fio: dumping debug options:");
1785 for (i = 0; debug_levels[i].name; i++) {
1786 dl = &debug_levels[i];
1787 log_info("%s,", dl->name);
1793 while ((opt = strsep(&p, ",")) != NULL) {
1796 if (!strncmp(opt, "all", 3)) {
1797 log_info("fio: set all debug options\n");
1802 for (i = 0; debug_levels[i].name; i++) {
1803 dl = &debug_levels[i];
1804 found = !strncmp(opt, dl->name, strlen(dl->name));
1808 if (dl->shift == FD_JOB) {
1809 opt = strchr(opt, ':');
1811 log_err("fio: missing job number\n");
1815 fio_debug_jobno = atoi(opt);
1816 log_info("fio: set debug jobno %d\n",
1819 log_info("fio: set debug option %s\n", opt);
1820 fio_debug |= (1UL << dl->shift);
1826 log_err("fio: debug mask %s not found\n", opt);
1831 static int set_debug(const char *string)
1833 log_err("fio: debug tracing not included in build\n");
1838 static void fio_options_fill_optstring(void)
1840 char *ostr = cmd_optstr;
1844 while (l_opts[i].name) {
1845 ostr[c++] = l_opts[i].val;
1846 if (l_opts[i].has_arg == required_argument)
1848 else if (l_opts[i].has_arg == optional_argument) {
1857 static int client_flag_set(char c)
1862 while (l_opts[i].name) {
1863 int val = l_opts[i].val;
1865 if (c == (val & 0xff))
1866 return (val & FIO_CLIENT_FLAG);
1874 static void parse_cmd_client(void *client, char *opt)
1876 fio_client_add_cmd_option(client, opt);
1879 int parse_cmd_line(int argc, char *argv[], int client_type)
1881 struct thread_data *td = NULL;
1882 int c, ini_idx = 0, lidx, ret = 0, do_exit = 0, exit_val = 0;
1883 char *ostr = cmd_optstr;
1884 void *pid_file = NULL;
1885 void *cur_client = NULL;
1889 * Reset optind handling, since we may call this multiple times
1894 while ((c = getopt_long_only(argc, argv, ostr, l_opts, &lidx)) != -1) {
1895 if ((c & FIO_CLIENT_FLAG) || client_flag_set(c)) {
1896 parse_cmd_client(cur_client, argv[optind - 1]);
1897 c &= ~FIO_CLIENT_FLAG;
1902 smalloc_pool_size = atoi(optarg);
1905 if (check_str_time(optarg, &def_timeout, 1)) {
1906 log_err("fio: failed parsing time %s\n", optarg);
1912 log_err("fio: --latency-log is deprecated. Use per-job latency log options.\n");
1920 if (f_out && f_out != stdout)
1923 f_out = fopen(optarg, "w+");
1925 perror("fopen output");
1931 output_format = FIO_OUTPUT_TERSE;
1935 log_err("fio: missing --output-format argument\n");
1940 if (!strcmp(optarg, "minimal") ||
1941 !strcmp(optarg, "terse") ||
1942 !strcmp(optarg, "csv"))
1943 output_format = FIO_OUTPUT_TERSE;
1944 else if (!strcmp(optarg, "json"))
1945 output_format = FIO_OUTPUT_JSON;
1947 output_format = FIO_OUTPUT_NORMAL;
1950 append_terse_output = 1;
1962 fio_show_option_help(optarg);
1969 fio_show_ioengine_help(optarg);
1983 log_info("%s\n", fio_version_string);
1988 terse_version = atoi(optarg);
1989 if (!(terse_version == 2 || terse_version == 3 ||
1990 terse_version == 4)) {
1991 log_err("fio: bad terse version format\n");
1997 if (!strcmp("always", optarg))
1998 eta_print = FIO_ETA_ALWAYS;
1999 else if (!strcmp("never", optarg))
2000 eta_print = FIO_ETA_NEVER;
2005 if (str_to_decimal(optarg, &t, 0, NULL, 1)) {
2006 log_err("fio: failed parsing eta time %s\n", optarg);
2014 if (set_debug(optarg))
2024 if (!strcmp(optarg, "global")) {
2025 log_err("fio: can't use global as only "
2031 new_size = (nr_job_sections + 1) * sizeof(char *);
2032 job_sections = realloc(job_sections, new_size);
2033 job_sections[nr_job_sections] = strdup(optarg);
2039 exit_val = iolog_file_inflate(optarg);
2048 exec_profile = strdup(optarg);
2050 case FIO_GETOPT_JOB: {
2051 const char *opt = l_opts[lidx].name;
2054 if (!strncmp(opt, "name", 4) && td) {
2055 ret = add_job(td, td->o.name ?: "fio", 0, 0, client_type);
2062 int is_section = !strncmp(opt, "name", 4);
2065 if (!is_section || !strncmp(val, "global", 6))
2068 if (is_section && skip_this_section(val))
2071 td = get_new_job(global, &def_thread, 1, NULL);
2072 if (!td || ioengine_load(td)) {
2080 fio_options_set_ioengine_opts(l_opts, td);
2083 if ((!val || !strlen(val)) &&
2084 l_opts[lidx].has_arg == required_argument) {
2085 log_err("fio: option %s requires an argument\n", opt);
2088 ret = fio_cmd_option_parse(td, opt, val);
2098 if (!ret && !strcmp(opt, "ioengine")) {
2100 if (ioengine_load(td)) {
2106 fio_options_set_ioengine_opts(l_opts, td);
2110 case FIO_GETOPT_IOENGINE: {
2111 const char *opt = l_opts[lidx].name;
2117 ret = fio_cmd_ioengine_option_parse(td, opt, val);
2124 max_jobs = atoi(optarg);
2125 if (!max_jobs || max_jobs > REAL_MAX_JOBS) {
2126 log_err("fio: invalid max jobs: %d\n", max_jobs);
2133 #ifndef CONFIG_NO_SHM
2135 log_err("fio: can't be both client and server\n");
2141 fio_server_set_arg(optarg);
2145 log_err("fio: client/server requires SHM support\n");
2153 pid_file = strdup(optarg);
2156 if ((ret = fio_idle_prof_parse_opt(optarg))) {
2157 /* exit on error and calibration only */
2167 log_err("fio: can't be both client and server\n");
2172 if (fio_client_add(&fio_client_ops, optarg, &cur_client)) {
2173 log_err("fio: failed adding client %s\n", optarg);
2179 * If the next argument exists and isn't an option,
2180 * assume it's a job file for this client only.
2182 while (optind < argc) {
2183 if (!strncmp(argv[optind], "--", 2) ||
2184 !strncmp(argv[optind], "-", 1))
2187 if (fio_client_add_ini_file(cur_client, argv[optind], 0))
2194 if (fio_client_add_ini_file(cur_client, optarg, 1)) {
2202 exit_val = fio_monotonic_clocktest();
2207 exit_val = fio_crctest(optarg);
2212 if (check_str_time(optarg, &val, 0)) {
2213 log_err("fio: failed parsing time %s\n", optarg);
2218 status_interval = val * 1000;
2222 log_err("%s: unrecognized option '%s'\n", argv[0],
2233 if (do_exit && !(is_backend || nr_clients))
2236 if (nr_clients && fio_clients_connect())
2239 if (is_backend && backend)
2240 return fio_start_server(pid_file);
2246 ret = add_job(td, td->o.name ?: "fio", 0, 0, client_type);
2252 while (!ret && optind < argc) {
2254 ini_file = realloc(ini_file, ini_idx * sizeof(char *));
2255 ini_file[ini_idx - 1] = strdup(argv[optind]);
2266 int fio_init_options(void)
2271 fio_options_fill_optstring();
2272 fio_options_dup_and_init(l_opts);
2276 if (fill_def_thread())
2282 extern int fio_check_options(struct thread_options *);
2284 int parse_options(int argc, char *argv[])
2286 const int type = FIO_CLIENT_TYPE_CLI;
2289 if (fio_init_options())
2291 if (fio_test_cconv(&def_thread.o))
2292 log_err("fio: failed internal cconv test\n");
2294 job_files = parse_cmd_line(argc, argv, type);
2296 if (job_files > 0) {
2297 for (i = 0; i < job_files; i++) {
2298 if (i && fill_def_thread())
2301 if (fio_clients_send_ini(ini_file[i]))
2304 } else if (!is_backend) {
2305 if (parse_jobs_ini(ini_file[i], 0, i, type))
2310 } else if (nr_clients) {
2311 if (fill_def_thread())
2313 if (fio_clients_send_ini(NULL))
2318 fio_options_free(&def_thread);
2319 filesetup_mem_free();
2321 if (!thread_number) {
2326 if (is_backend || nr_clients)
2331 log_err("No jobs(s) defined\n\n");
2341 if (def_thread.o.gtod_offload) {
2343 fio_gtod_offload = 1;
2344 fio_gtod_cpu = def_thread.o.gtod_cpu;
2347 if (output_format == FIO_OUTPUT_NORMAL)
2348 log_info("%s\n", fio_version_string);
2353 void options_default_fill(struct thread_options *o)
2355 memcpy(o, &def_thread.o, sizeof(*o));