2 * This file contains job initialization and setup functions.
13 #include <sys/types.h>
23 #include "lib/getopt.h"
25 static char fio_version_string[] = "fio 1.57";
27 #define FIO_RANDSEED (0xb1899bedUL)
29 static char **ini_file;
30 static int max_jobs = FIO_MAX_JOBS;
31 static int dump_cmdline;
33 static struct thread_data def_thread;
34 struct thread_data *threads = NULL;
36 int exitall_on_terminate = 0;
39 unsigned long long mlock_size = 0;
42 char **job_sections = NULL;
43 int nr_job_sections = 0;
44 char *exec_profile = NULL;
45 int warnings_fatal = 0;
50 static int write_lat_log;
52 static int prev_group_jobs;
54 unsigned long fio_debug = 0;
55 unsigned int fio_debug_jobno = -1;
56 unsigned int *fio_debug_jobp = NULL;
58 static char cmd_optstr[256];
61 * Command line options. These will contain the above, plus a few
62 * extra that only pertain to fio itself and not jobs.
64 static struct option l_opts[FIO_NR_OPTIONS] = {
66 .name = (char *) "output",
67 .has_arg = required_argument,
71 .name = (char *) "timeout",
72 .has_arg = required_argument,
76 .name = (char *) "latency-log",
77 .has_arg = required_argument,
81 .name = (char *) "bandwidth-log",
82 .has_arg = required_argument,
86 .name = (char *) "minimal",
87 .has_arg = optional_argument,
91 .name = (char *) "version",
92 .has_arg = no_argument,
96 .name = (char *) "help",
97 .has_arg = no_argument,
101 .name = (char *) "cmdhelp",
102 .has_arg = optional_argument,
106 .name = (char *) "showcmd",
107 .has_arg = no_argument,
111 .name = (char *) "readonly",
112 .has_arg = no_argument,
116 .name = (char *) "eta",
117 .has_arg = required_argument,
121 .name = (char *) "debug",
122 .has_arg = required_argument,
126 .name = (char *) "section",
127 .has_arg = required_argument,
131 .name = (char *) "alloc-size",
132 .has_arg = required_argument,
136 .name = (char *) "profile",
137 .has_arg = required_argument,
141 .name = (char *) "warnings-fatal",
142 .has_arg = no_argument,
146 .name = (char *) "max-jobs",
147 .has_arg = required_argument,
166 * Return a free job structure.
168 static struct thread_data *get_new_job(int global, struct thread_data *parent)
170 struct thread_data *td;
174 if (thread_number >= max_jobs) {
175 log_err("error: maximum number of jobs (%d) reached.\n",
180 td = &threads[thread_number++];
183 td->o.uid = td->o.gid = -1U;
185 dup_files(td, parent);
186 options_mem_dupe(td);
188 profile_add_hooks(td);
190 td->thread_number = thread_number;
194 static void put_job(struct thread_data *td)
196 if (td == &def_thread)
202 log_info("fio: %s\n", td->verror);
204 memset(&threads[td->thread_number - 1], 0, sizeof(*td));
208 static int __setup_rate(struct thread_data *td, enum fio_ddir ddir)
210 unsigned int bs = td->o.min_bs[ddir];
211 unsigned long long bytes_per_sec;
213 assert(ddir_rw(ddir));
215 if (td->o.rate[ddir])
216 bytes_per_sec = td->o.rate[ddir];
218 bytes_per_sec = td->o.rate_iops[ddir] * bs;
220 if (!bytes_per_sec) {
221 log_err("rate lower than supported\n");
225 td->rate_nsec_cycle[ddir] = 1000000000ULL / bytes_per_sec;
226 td->rate_pending_usleep[ddir] = 0;
230 static int setup_rate(struct thread_data *td)
234 if (td->o.rate[DDIR_READ] || td->o.rate_iops[DDIR_READ])
235 ret = __setup_rate(td, DDIR_READ);
236 if (td->o.rate[DDIR_WRITE] || td->o.rate_iops[DDIR_WRITE])
237 ret |= __setup_rate(td, DDIR_WRITE);
242 static int fixed_block_size(struct thread_options *o)
244 return o->min_bs[DDIR_READ] == o->max_bs[DDIR_READ] &&
245 o->min_bs[DDIR_WRITE] == o->max_bs[DDIR_WRITE] &&
246 o->min_bs[DDIR_READ] == o->min_bs[DDIR_WRITE];
250 * Lazy way of fixing up options that depend on each other. We could also
251 * define option callback handlers, but this is easier.
253 static int fixup_options(struct thread_data *td)
255 struct thread_options *o = &td->o;
258 #ifndef FIO_HAVE_PSHARED_MUTEX
259 if (!o->use_thread) {
260 log_info("fio: this platform does not support process shared"
261 " mutexes, forcing use of threads. Use the 'thread'"
262 " option to get rid of this warning.\n");
264 ret = warnings_fatal;
268 if (o->write_iolog_file && o->read_iolog_file) {
269 log_err("fio: read iolog overrides write_iolog\n");
270 free(o->write_iolog_file);
271 o->write_iolog_file = NULL;
272 ret = warnings_fatal;
276 * only really works for sequential io for now, and with 1 file
278 if (o->zone_size && td_random(td) && o->open_files == 1)
282 * Reads can do overwrites, we always need to pre-create the file
284 if (td_read(td) || td_rw(td))
287 if (!o->min_bs[DDIR_READ])
288 o->min_bs[DDIR_READ] = o->bs[DDIR_READ];
289 if (!o->max_bs[DDIR_READ])
290 o->max_bs[DDIR_READ] = o->bs[DDIR_READ];
291 if (!o->min_bs[DDIR_WRITE])
292 o->min_bs[DDIR_WRITE] = o->bs[DDIR_WRITE];
293 if (!o->max_bs[DDIR_WRITE])
294 o->max_bs[DDIR_WRITE] = o->bs[DDIR_WRITE];
296 o->rw_min_bs = min(o->min_bs[DDIR_READ], o->min_bs[DDIR_WRITE]);
299 * For random IO, allow blockalign offset other than min_bs.
301 if (!o->ba[DDIR_READ] || !td_random(td))
302 o->ba[DDIR_READ] = o->min_bs[DDIR_READ];
303 if (!o->ba[DDIR_WRITE] || !td_random(td))
304 o->ba[DDIR_WRITE] = o->min_bs[DDIR_WRITE];
306 if ((o->ba[DDIR_READ] != o->min_bs[DDIR_READ] ||
307 o->ba[DDIR_WRITE] != o->min_bs[DDIR_WRITE]) &&
309 log_err("fio: Any use of blockalign= turns off randommap\n");
311 ret = warnings_fatal;
314 if (!o->file_size_high)
315 o->file_size_high = o->file_size_low;
317 if (o->norandommap && o->verify != VERIFY_NONE
318 && !fixed_block_size(o)) {
319 log_err("fio: norandommap given for variable block sizes, "
320 "verify disabled\n");
321 o->verify = VERIFY_NONE;
322 ret = warnings_fatal;
324 if (o->bs_unaligned && (o->odirect || td->io_ops->flags & FIO_RAWIO))
325 log_err("fio: bs_unaligned may not work with raw io\n");
328 * thinktime_spin must be less than thinktime
330 if (o->thinktime_spin > o->thinktime)
331 o->thinktime_spin = o->thinktime;
334 * The low water mark cannot be bigger than the iodepth
336 if (o->iodepth_low > o->iodepth || !o->iodepth_low) {
338 * syslet work around - if the workload is sequential,
339 * we want to let the queue drain all the way down to
340 * avoid seeking between async threads
342 if (!strcmp(td->io_ops->name, "syslet-rw") && !td_random(td))
345 o->iodepth_low = o->iodepth;
349 * If batch number isn't set, default to the same as iodepth
351 if (o->iodepth_batch > o->iodepth || !o->iodepth_batch)
352 o->iodepth_batch = o->iodepth;
354 if (o->nr_files > td->files_index)
355 o->nr_files = td->files_index;
357 if (o->open_files > o->nr_files || !o->open_files)
358 o->open_files = o->nr_files;
360 if (((o->rate[0] + o->rate[1]) && (o->rate_iops[0] + o->rate_iops[1]))||
361 ((o->ratemin[0] + o->ratemin[1]) && (o->rate_iops_min[0] +
362 o->rate_iops_min[1]))) {
363 log_err("fio: rate and rate_iops are mutually exclusive\n");
366 if ((o->rate[0] < o->ratemin[0]) || (o->rate[1] < o->ratemin[1]) ||
367 (o->rate_iops[0] < o->rate_iops_min[0]) ||
368 (o->rate_iops[1] < o->rate_iops_min[1])) {
369 log_err("fio: minimum rate exceeds rate\n");
373 if (!o->timeout && o->time_based) {
374 log_err("fio: time_based requires a runtime/timeout setting\n");
376 ret = warnings_fatal;
379 if (o->fill_device && !o->size)
382 if (o->verify != VERIFY_NONE) {
383 if (td_write(td) && o->do_verify && o->numjobs > 1) {
384 log_info("Multiple writers may overwrite blocks that "
385 "belong to other jobs. This can cause "
386 "verification failures.\n");
387 ret = warnings_fatal;
390 o->refill_buffers = 1;
391 if (o->max_bs[DDIR_WRITE] != o->min_bs[DDIR_WRITE] &&
393 o->verify_interval = o->min_bs[DDIR_WRITE];
397 o->invalidate_cache = 0;
398 if (td->io_ops->flags & FIO_PIPEIO) {
399 log_info("fio: cannot pre-read files with an IO engine"
400 " that isn't seekable. Pre-read disabled.\n");
401 ret = warnings_fatal;
405 #ifndef FIO_HAVE_FDATASYNC
406 if (o->fdatasync_blocks) {
407 log_info("fio: this platform does not support fdatasync()"
408 " falling back to using fsync(). Use the 'fsync'"
409 " option instead of 'fdatasync' to get rid of"
411 o->fsync_blocks = o->fdatasync_blocks;
412 o->fdatasync_blocks = 0;
413 ret = warnings_fatal;
421 * This function leaks the buffer
423 static char *to_kmg(unsigned int val)
425 char *buf = malloc(32);
426 char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 };
437 snprintf(buf, 31, "%u%c", val, *p);
441 /* External engines are specified by "external:name.o") */
442 static const char *get_engine_name(const char *str)
444 char *p = strstr(str, ":");
450 strip_blank_front(&p);
455 static int exists_and_not_file(const char *filename)
459 if (lstat(filename, &sb) == -1)
462 /* \\.\ is the device namespace in Windows, where every file
463 * is a device node */
464 if (S_ISREG(sb.st_mode) && strncmp(filename, "\\\\.\\", 4) != 0)
470 static void td_fill_rand_seeds_os(struct thread_data *td)
472 os_random_seed(td->rand_seeds[0], &td->bsrange_state);
473 os_random_seed(td->rand_seeds[1], &td->verify_state);
474 os_random_seed(td->rand_seeds[2], &td->rwmix_state);
476 if (td->o.file_service_type == FIO_FSERVICE_RANDOM)
477 os_random_seed(td->rand_seeds[3], &td->next_file_state);
479 os_random_seed(td->rand_seeds[5], &td->file_size_state);
480 os_random_seed(td->rand_seeds[6], &td->trim_state);
485 if (td->o.rand_repeatable)
486 td->rand_seeds[4] = FIO_RANDSEED * td->thread_number;
488 os_random_seed(td->rand_seeds[4], &td->random_state);
491 static void td_fill_rand_seeds_internal(struct thread_data *td)
493 init_rand_seed(&td->__bsrange_state, td->rand_seeds[0]);
494 init_rand_seed(&td->__verify_state, td->rand_seeds[1]);
495 init_rand_seed(&td->__rwmix_state, td->rand_seeds[2]);
497 if (td->o.file_service_type == FIO_FSERVICE_RANDOM)
498 init_rand_seed(&td->__next_file_state, td->rand_seeds[3]);
500 init_rand_seed(&td->__file_size_state, td->rand_seeds[5]);
501 init_rand_seed(&td->__trim_state, td->rand_seeds[6]);
506 if (td->o.rand_repeatable)
507 td->rand_seeds[4] = FIO_RANDSEED * td->thread_number;
509 init_rand_seed(&td->__random_state, td->rand_seeds[4]);
512 void td_fill_rand_seeds(struct thread_data *td)
514 if (td->o.use_os_rand)
515 td_fill_rand_seeds_os(td);
517 td_fill_rand_seeds_internal(td);
521 * Initialize the various random states we need (random io, block size ranges,
522 * read/write mix, etc).
524 static int init_random_state(struct thread_data *td)
528 fd = open("/dev/urandom", O_RDONLY);
530 td_verror(td, errno, "open");
534 if (read(fd, td->rand_seeds, sizeof(td->rand_seeds)) <
535 (int) sizeof(td->rand_seeds)) {
536 td_verror(td, EIO, "read");
542 td_fill_rand_seeds(td);
547 * Adds a job to the list of things todo. Sanitizes the various options
548 * to make sure we don't have conflicts, and initializes various
551 static int add_job(struct thread_data *td, const char *jobname, int job_add_num)
553 const char *ddir_str[] = { NULL, "read", "write", "rw", NULL,
554 "randread", "randwrite", "randrw" };
557 char fname[PATH_MAX];
558 int numjobs, file_alloced;
561 * the def_thread is just for options, it's not a real job
563 if (td == &def_thread)
567 * if we are just dumping the output command line, don't add the job
574 if (profile_td_init(td))
577 engine = get_engine_name(td->o.ioengine);
578 td->io_ops = load_ioengine(td, engine);
580 log_err("fio: failed to load engine %s\n", engine);
584 if (td->o.use_thread)
590 td->io_ops->flags |= FIO_RAWIO;
593 if (!td->o.filename && !td->files_index && !td->o.read_iolog_file) {
596 if (td->o.nr_files == 1 && exists_and_not_file(jobname))
597 add_file(td, jobname);
599 for (i = 0; i < td->o.nr_files; i++) {
600 sprintf(fname, "%s.%d.%d", jobname,
601 td->thread_number, i);
607 if (fixup_options(td))
610 if (td->io_ops->flags & FIO_DISKLESSIO) {
613 for_each_file(td, f, i)
614 f->real_file_size = -1ULL;
617 td->mutex = fio_mutex_init(0);
619 td->ts.clat_stat[0].min_val = td->ts.clat_stat[1].min_val = ULONG_MAX;
620 td->ts.slat_stat[0].min_val = td->ts.slat_stat[1].min_val = ULONG_MAX;
621 td->ts.lat_stat[0].min_val = td->ts.lat_stat[1].min_val = ULONG_MAX;
622 td->ts.bw_stat[0].min_val = td->ts.bw_stat[1].min_val = ULONG_MAX;
623 td->ddir_seq_nr = td->o.ddir_seq_nr;
625 if ((td->o.stonewall || td->o.new_group) && prev_group_jobs) {
630 td->groupid = groupid;
633 if (init_random_state(td))
639 if (td->o.write_lat_log) {
640 setup_log(&td->ts.lat_log);
641 setup_log(&td->ts.slat_log);
642 setup_log(&td->ts.clat_log);
644 if (td->o.write_bw_log)
645 setup_log(&td->ts.bw_log);
648 td->o.name = strdup(jobname);
652 if (!strcmp(td->io_ops->name, "cpuio")) {
653 log_info("%s: ioengine=cpu, cpuload=%u,"
654 " cpucycle=%u\n", td->o.name,
658 char *c1, *c2, *c3, *c4;
660 c1 = to_kmg(td->o.min_bs[DDIR_READ]);
661 c2 = to_kmg(td->o.max_bs[DDIR_READ]);
662 c3 = to_kmg(td->o.min_bs[DDIR_WRITE]);
663 c4 = to_kmg(td->o.max_bs[DDIR_WRITE]);
665 log_info("%s: (g=%d): rw=%s, bs=%s-%s/%s-%s,"
666 " ioengine=%s, iodepth=%u\n",
667 td->o.name, td->groupid,
668 ddir_str[td->o.td_ddir],
678 } else if (job_add_num == 1)
683 * recurse add identical jobs, clear numjobs and stonewall options
684 * as they don't apply to sub-jobs
686 numjobs = td->o.numjobs;
688 struct thread_data *td_new = get_new_job(0, td);
693 td_new->o.numjobs = 1;
694 td_new->o.stonewall = 0;
695 td_new->o.new_group = 0;
698 td_new->o.filename = NULL;
699 td_new->files_index = 0;
700 td_new->files_size = 0;
701 td_new->files = NULL;
704 job_add_num = numjobs - 1;
706 if (add_job(td_new, jobname, job_add_num))
717 * Parse as if 'o' was a command line
719 void add_job_opts(const char **o)
721 struct thread_data *td, *td_parent;
722 int i, in_global = 1;
726 td_parent = td = NULL;
728 if (!strncmp(o[i], "name", 4)) {
731 add_job(td, jobname, 0);
733 sprintf(jobname, "%s", o[i] + 5);
735 if (in_global && !td_parent)
736 td_parent = get_new_job(1, &def_thread);
737 else if (!in_global && !td) {
739 td_parent = &def_thread;
740 td = get_new_job(0, td_parent);
743 fio_options_parse(td_parent, (char **) &o[i], 1);
745 fio_options_parse(td, (char **) &o[i], 1);
750 add_job(td, jobname, 0);
753 static int skip_this_section(const char *name)
757 if (!nr_job_sections)
759 if (!strncmp(name, "global", 6))
762 for (i = 0; i < nr_job_sections; i++)
763 if (!strcmp(job_sections[i], name))
769 static int is_empty_or_comment(char *line)
773 for (i = 0; i < strlen(line); i++) {
778 if (!isspace((int) line[i]) && !iscntrl((int) line[i]))
786 * This is our [ini] type file parser.
788 static int parse_jobs_ini(char *file, int stonewall_flag)
791 struct thread_data *td;
795 int ret = 0, stonewall;
800 int i, alloc_opts, num_opts;
802 if (!strcmp(file, "-"))
805 f = fopen(file, "r");
808 perror("fopen job file");
812 string = malloc(4096);
815 * it's really 256 + small bit, 280 should suffice
818 memset(name, 0, 280);
821 opts = malloc(sizeof(char *) * alloc_opts);
824 stonewall = stonewall_flag;
827 * if skip_fgets is set, we already have loaded a line we
831 p = fgets(string, 4095, f);
837 strip_blank_front(&p);
840 if (is_empty_or_comment(p))
842 if (sscanf(p, "[%255[^\n]]", name) != 1) {
845 log_err("fio: option <%s> outside of [] job section\n",
850 name[strlen(name) - 1] = '\0';
852 if (skip_this_section(name)) {
858 global = !strncmp(name, "global", 6);
864 log_info("--name=%s ", name);
868 td = get_new_job(global, &def_thread);
875 * Seperate multiple job files by a stonewall
877 if (!global && stonewall) {
878 td->o.stonewall = stonewall;
883 memset(opts, 0, alloc_opts * sizeof(char *));
885 while ((p = fgets(string, 4096, f)) != NULL) {
886 if (is_empty_or_comment(p))
889 strip_blank_front(&p);
892 * new section, break out and make sure we don't
893 * fgets() a new line at the top.
902 if (num_opts == alloc_opts) {
905 alloc_opts * sizeof(char *));
908 opts[num_opts] = strdup(p);
912 ret = fio_options_parse(td, opts, num_opts);
915 for (i = 0; i < num_opts; i++)
916 log_info("--%s ", opts[i]);
918 ret = add_job(td, name, 0);
920 log_err("fio: job %s dropped\n", name);
924 for (i = 0; i < num_opts; i++)
932 for (i = 0; i < num_opts; i++)
943 static int fill_def_thread(void)
945 memset(&def_thread, 0, sizeof(def_thread));
947 fio_getaffinity(getpid(), &def_thread.o.cpumask);
950 * fill default options
952 fio_fill_default_options(&def_thread);
956 static void free_shm(void)
958 struct shmid_ds sbuf;
965 fio_debug_jobp = NULL;
967 shmctl(shm_id, IPC_RMID, &sbuf);
974 * The thread area is shared between the main process and the job
975 * threads/processes. So setup a shared memory segment that will hold
976 * all the job info. We use the end of the region for keeping track of
977 * open files across jobs, for file sharing.
979 static int setup_thread_area(void)
984 * 1024 is too much on some machines, scale max_jobs if
985 * we get a failure that looks like too large a shm segment
988 size_t size = max_jobs * sizeof(struct thread_data);
990 size += file_hash_size;
991 size += sizeof(unsigned int);
993 shm_id = shmget(0, size, IPC_CREAT | 0600);
996 if (errno != EINVAL) {
1007 threads = shmat(shm_id, NULL, 0);
1008 if (threads == (void *) -1) {
1013 memset(threads, 0, max_jobs * sizeof(struct thread_data));
1014 hash = (void *) threads + max_jobs * sizeof(struct thread_data);
1015 fio_debug_jobp = (void *) hash + file_hash_size;
1016 *fio_debug_jobp = -1;
1017 file_hash_init(hash);
1022 static void usage(const char *name)
1024 printf("%s\n", fio_version_string);
1025 printf("%s [options] [job options] <job file(s)>\n", name);
1026 printf("\t--debug=options\tEnable debug logging\n");
1027 printf("\t--output\tWrite output to file\n");
1028 printf("\t--timeout\tRuntime in seconds\n");
1029 printf("\t--latency-log\tGenerate per-job latency logs\n");
1030 printf("\t--bandwidth-log\tGenerate per-job bandwidth logs\n");
1031 printf("\t--minimal\tMinimal (terse) output\n");
1032 printf("\t--version\tPrint version info and exit\n");
1033 printf("\t--help\t\tPrint this page\n");
1034 printf("\t--cmdhelp=cmd\tPrint command help, \"all\" for all of"
1036 printf("\t--showcmd\tTurn a job file into command line options\n");
1037 printf("\t--eta=when\tWhen ETA estimate should be printed\n");
1038 printf("\t \tMay be \"always\", \"never\" or \"auto\"\n");
1039 printf("\t--readonly\tTurn on safety read-only checks, preventing"
1041 printf("\t--section=name\tOnly run specified section in job file\n");
1042 printf("\t--alloc-size=kb\tSet smalloc pool to this size in kb"
1044 printf("\t--warnings-fatal Fio parser warnings are fatal\n");
1045 printf("\t--max-jobs\tMaximum number of threads/processes to support\n");
1046 printf("\nFio was written by Jens Axboe <jens.axboe@oracle.com>");
1047 printf("\n Jens Axboe <jaxboe@fusionio.com>\n");
1050 #ifdef FIO_INC_DEBUG
1051 struct debug_level debug_levels[] = {
1052 { .name = "process", .shift = FD_PROCESS, },
1053 { .name = "file", .shift = FD_FILE, },
1054 { .name = "io", .shift = FD_IO, },
1055 { .name = "mem", .shift = FD_MEM, },
1056 { .name = "blktrace", .shift = FD_BLKTRACE },
1057 { .name = "verify", .shift = FD_VERIFY },
1058 { .name = "random", .shift = FD_RANDOM },
1059 { .name = "parse", .shift = FD_PARSE },
1060 { .name = "diskutil", .shift = FD_DISKUTIL },
1061 { .name = "job", .shift = FD_JOB },
1062 { .name = "mutex", .shift = FD_MUTEX },
1063 { .name = "profile", .shift = FD_PROFILE },
1064 { .name = "time", .shift = FD_TIME },
1068 static int set_debug(const char *string)
1070 struct debug_level *dl;
1071 char *p = (char *) string;
1075 if (!strcmp(string, "?") || !strcmp(string, "help")) {
1076 log_info("fio: dumping debug options:");
1077 for (i = 0; debug_levels[i].name; i++) {
1078 dl = &debug_levels[i];
1079 log_info("%s,", dl->name);
1085 while ((opt = strsep(&p, ",")) != NULL) {
1088 if (!strncmp(opt, "all", 3)) {
1089 log_info("fio: set all debug options\n");
1094 for (i = 0; debug_levels[i].name; i++) {
1095 dl = &debug_levels[i];
1096 found = !strncmp(opt, dl->name, strlen(dl->name));
1100 if (dl->shift == FD_JOB) {
1101 opt = strchr(opt, ':');
1103 log_err("fio: missing job number\n");
1107 fio_debug_jobno = atoi(opt);
1108 log_info("fio: set debug jobno %d\n",
1111 log_info("fio: set debug option %s\n", opt);
1112 fio_debug |= (1UL << dl->shift);
1118 log_err("fio: debug mask %s not found\n", opt);
1123 static int set_debug(const char *string)
1125 log_err("fio: debug tracing not included in build\n");
1130 static void fio_options_fill_optstring(void)
1132 char *ostr = cmd_optstr;
1136 while (l_opts[i].name) {
1137 ostr[c++] = l_opts[i].val;
1138 if (l_opts[i].has_arg == required_argument)
1140 else if (l_opts[i].has_arg == optional_argument) {
1149 static int parse_cmd_line(int argc, char *argv[])
1151 struct thread_data *td = NULL;
1152 int c, ini_idx = 0, lidx, ret = 0, do_exit = 0, exit_val = 0;
1153 char *ostr = cmd_optstr;
1155 while ((c = getopt_long_only(argc, argv, ostr, l_opts, &lidx)) != -1) {
1158 smalloc_pool_size = atoi(optarg);
1161 def_thread.o.timeout = atoi(optarg);
1170 f_out = fopen(optarg, "w+");
1172 perror("fopen output");
1184 exit(fio_show_option_help(optarg));
1192 log_info("%s\n", fio_version_string);
1195 if (!strcmp("always", optarg))
1196 eta_print = FIO_ETA_ALWAYS;
1197 else if (!strcmp("never", optarg))
1198 eta_print = FIO_ETA_NEVER;
1201 if (set_debug(optarg))
1207 if (!strcmp(optarg, "global")) {
1208 log_err("fio: can't use global as only "
1214 new_size = (nr_job_sections + 1) * sizeof(char *);
1215 job_sections = realloc(job_sections, new_size);
1216 job_sections[nr_job_sections] = strdup(optarg);
1221 exec_profile = strdup(optarg);
1223 case FIO_GETOPT_JOB: {
1224 const char *opt = l_opts[lidx].name;
1227 if (!strncmp(opt, "name", 4) && td) {
1228 ret = add_job(td, td->o.name ?: "fio", 0);
1234 int is_section = !strncmp(opt, "name", 4);
1237 if (!is_section || !strncmp(val, "global", 6))
1240 if (is_section && skip_this_section(val))
1243 td = get_new_job(global, &def_thread);
1248 ret = fio_cmd_option_parse(td, opt, val);
1255 max_jobs = atoi(optarg);
1256 if (!max_jobs || max_jobs > REAL_MAX_JOBS) {
1257 log_err("fio: invalid max jobs: %d\n", max_jobs);
1274 ret = add_job(td, td->o.name ?: "fio", 0);
1277 while (optind < argc) {
1279 ini_file = realloc(ini_file, ini_idx * sizeof(char *));
1280 ini_file[ini_idx - 1] = strdup(argv[optind]);
1287 int parse_options(int argc, char *argv[])
1294 fio_options_fill_optstring();
1295 fio_options_dup_and_init(l_opts);
1297 if (setup_thread_area())
1299 if (fill_def_thread())
1302 job_files = parse_cmd_line(argc, argv);
1304 for (i = 0; i < job_files; i++) {
1305 if (fill_def_thread())
1307 if (parse_jobs_ini(ini_file[i], i))
1313 options_mem_free(&def_thread);
1315 if (!thread_number) {
1321 log_err("No jobs(s) defined\n\n");
1326 if (def_thread.o.gtod_offload) {
1328 fio_gtod_offload = 1;
1329 fio_gtod_cpu = def_thread.o.gtod_cpu;
1332 log_info("%s\n", fio_version_string);