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 1.60";
27 #define FIO_RANDSEED (0xb1899bedUL)
29 static char **ini_file;
30 static int max_jobs = FIO_MAX_JOBS;
31 static int dump_cmdline;
32 static int def_timeout;
34 static struct thread_data def_thread;
35 struct thread_data *threads = NULL;
37 int exitall_on_terminate = 0;
40 unsigned long long mlock_size = 0;
43 char **job_sections = NULL;
44 int nr_job_sections = 0;
45 char *exec_profile = NULL;
46 int warnings_fatal = 0;
47 int terse_version = 2;
52 static int write_lat_log;
54 static int prev_group_jobs;
56 unsigned long fio_debug = 0;
57 unsigned int fio_debug_jobno = -1;
58 unsigned int *fio_debug_jobp = NULL;
60 static char cmd_optstr[256];
63 * Command line options. These will contain the above, plus a few
64 * extra that only pertain to fio itself and not jobs.
66 static struct option l_opts[FIO_NR_OPTIONS] = {
68 .name = (char *) "output",
69 .has_arg = required_argument,
73 .name = (char *) "timeout",
74 .has_arg = required_argument,
78 .name = (char *) "latency-log",
79 .has_arg = required_argument,
83 .name = (char *) "bandwidth-log",
84 .has_arg = required_argument,
88 .name = (char *) "minimal",
89 .has_arg = optional_argument,
93 .name = (char *) "version",
94 .has_arg = no_argument,
98 .name = (char *) "help",
99 .has_arg = no_argument,
103 .name = (char *) "cmdhelp",
104 .has_arg = optional_argument,
108 .name = (char *) "showcmd",
109 .has_arg = no_argument,
113 .name = (char *) "readonly",
114 .has_arg = no_argument,
118 .name = (char *) "eta",
119 .has_arg = required_argument,
123 .name = (char *) "debug",
124 .has_arg = required_argument,
128 .name = (char *) "section",
129 .has_arg = required_argument,
133 .name = (char *) "alloc-size",
134 .has_arg = required_argument,
138 .name = (char *) "profile",
139 .has_arg = required_argument,
143 .name = (char *) "warnings-fatal",
144 .has_arg = no_argument,
148 .name = (char *) "max-jobs",
149 .has_arg = required_argument,
153 .name = (char *) "terse-version",
154 .has_arg = required_argument,
173 * Return a free job structure.
175 static struct thread_data *get_new_job(int global, struct thread_data *parent)
177 struct thread_data *td;
181 if (thread_number >= max_jobs) {
182 log_err("error: maximum number of jobs (%d) reached.\n",
187 td = &threads[thread_number++];
190 td->o.uid = td->o.gid = -1U;
192 dup_files(td, parent);
193 options_mem_dupe(td);
195 profile_add_hooks(td);
197 td->thread_number = thread_number;
201 static void put_job(struct thread_data *td)
203 if (td == &def_thread)
209 log_info("fio: %s\n", td->verror);
211 memset(&threads[td->thread_number - 1], 0, sizeof(*td));
215 static int __setup_rate(struct thread_data *td, enum fio_ddir ddir)
217 unsigned int bs = td->o.min_bs[ddir];
218 unsigned long long bytes_per_sec;
220 assert(ddir_rw(ddir));
222 if (td->o.rate[ddir])
223 bytes_per_sec = td->o.rate[ddir];
225 bytes_per_sec = td->o.rate_iops[ddir] * bs;
227 if (!bytes_per_sec) {
228 log_err("rate lower than supported\n");
232 td->rate_nsec_cycle[ddir] = 1000000000ULL / bytes_per_sec;
233 td->rate_pending_usleep[ddir] = 0;
237 static int setup_rate(struct thread_data *td)
241 if (td->o.rate[DDIR_READ] || td->o.rate_iops[DDIR_READ])
242 ret = __setup_rate(td, DDIR_READ);
243 if (td->o.rate[DDIR_WRITE] || td->o.rate_iops[DDIR_WRITE])
244 ret |= __setup_rate(td, DDIR_WRITE);
249 static int fixed_block_size(struct thread_options *o)
251 return o->min_bs[DDIR_READ] == o->max_bs[DDIR_READ] &&
252 o->min_bs[DDIR_WRITE] == o->max_bs[DDIR_WRITE] &&
253 o->min_bs[DDIR_READ] == o->min_bs[DDIR_WRITE];
257 * Lazy way of fixing up options that depend on each other. We could also
258 * define option callback handlers, but this is easier.
260 static int fixup_options(struct thread_data *td)
262 struct thread_options *o = &td->o;
265 #ifndef FIO_HAVE_PSHARED_MUTEX
266 if (!o->use_thread) {
267 log_info("fio: this platform does not support process shared"
268 " mutexes, forcing use of threads. Use the 'thread'"
269 " option to get rid of this warning.\n");
271 ret = warnings_fatal;
275 if (o->write_iolog_file && o->read_iolog_file) {
276 log_err("fio: read iolog overrides write_iolog\n");
277 free(o->write_iolog_file);
278 o->write_iolog_file = NULL;
279 ret = warnings_fatal;
283 * only really works for sequential io for now, and with 1 file
285 if (o->zone_size && td_random(td) && o->open_files == 1)
289 * Reads can do overwrites, we always need to pre-create the file
291 if (td_read(td) || td_rw(td))
294 if (!o->min_bs[DDIR_READ])
295 o->min_bs[DDIR_READ] = o->bs[DDIR_READ];
296 if (!o->max_bs[DDIR_READ])
297 o->max_bs[DDIR_READ] = o->bs[DDIR_READ];
298 if (!o->min_bs[DDIR_WRITE])
299 o->min_bs[DDIR_WRITE] = o->bs[DDIR_WRITE];
300 if (!o->max_bs[DDIR_WRITE])
301 o->max_bs[DDIR_WRITE] = o->bs[DDIR_WRITE];
303 o->rw_min_bs = min(o->min_bs[DDIR_READ], o->min_bs[DDIR_WRITE]);
306 * For random IO, allow blockalign offset other than min_bs.
308 if (!o->ba[DDIR_READ] || !td_random(td))
309 o->ba[DDIR_READ] = o->min_bs[DDIR_READ];
310 if (!o->ba[DDIR_WRITE] || !td_random(td))
311 o->ba[DDIR_WRITE] = o->min_bs[DDIR_WRITE];
313 if ((o->ba[DDIR_READ] != o->min_bs[DDIR_READ] ||
314 o->ba[DDIR_WRITE] != o->min_bs[DDIR_WRITE]) &&
316 log_err("fio: Any use of blockalign= turns off randommap\n");
318 ret = warnings_fatal;
321 if (!o->file_size_high)
322 o->file_size_high = o->file_size_low;
324 if (o->norandommap && o->verify != VERIFY_NONE
325 && !fixed_block_size(o)) {
326 log_err("fio: norandommap given for variable block sizes, "
327 "verify disabled\n");
328 o->verify = VERIFY_NONE;
329 ret = warnings_fatal;
331 if (o->bs_unaligned && (o->odirect || td->io_ops->flags & FIO_RAWIO))
332 log_err("fio: bs_unaligned may not work with raw io\n");
335 * thinktime_spin must be less than thinktime
337 if (o->thinktime_spin > o->thinktime)
338 o->thinktime_spin = o->thinktime;
341 * The low water mark cannot be bigger than the iodepth
343 if (o->iodepth_low > o->iodepth || !o->iodepth_low) {
345 * syslet work around - if the workload is sequential,
346 * we want to let the queue drain all the way down to
347 * avoid seeking between async threads
349 if (!strcmp(td->io_ops->name, "syslet-rw") && !td_random(td))
352 o->iodepth_low = o->iodepth;
356 * If batch number isn't set, default to the same as iodepth
358 if (o->iodepth_batch > o->iodepth || !o->iodepth_batch)
359 o->iodepth_batch = o->iodepth;
361 if (o->nr_files > td->files_index)
362 o->nr_files = td->files_index;
364 if (o->open_files > o->nr_files || !o->open_files)
365 o->open_files = o->nr_files;
367 if (((o->rate[0] + o->rate[1]) && (o->rate_iops[0] + o->rate_iops[1]))||
368 ((o->ratemin[0] + o->ratemin[1]) && (o->rate_iops_min[0] +
369 o->rate_iops_min[1]))) {
370 log_err("fio: rate and rate_iops are mutually exclusive\n");
373 if ((o->rate[0] < o->ratemin[0]) || (o->rate[1] < o->ratemin[1]) ||
374 (o->rate_iops[0] < o->rate_iops_min[0]) ||
375 (o->rate_iops[1] < o->rate_iops_min[1])) {
376 log_err("fio: minimum rate exceeds rate\n");
380 if (!o->timeout && o->time_based) {
381 log_err("fio: time_based requires a runtime/timeout setting\n");
383 ret = warnings_fatal;
386 if (o->fill_device && !o->size)
389 if (o->verify != VERIFY_NONE) {
390 if (td_write(td) && o->do_verify && o->numjobs > 1) {
391 log_info("Multiple writers may overwrite blocks that "
392 "belong to other jobs. This can cause "
393 "verification failures.\n");
394 ret = warnings_fatal;
397 o->refill_buffers = 1;
398 if (o->max_bs[DDIR_WRITE] != o->min_bs[DDIR_WRITE] &&
400 o->verify_interval = o->min_bs[DDIR_WRITE];
404 o->invalidate_cache = 0;
405 if (td->io_ops->flags & FIO_PIPEIO) {
406 log_info("fio: cannot pre-read files with an IO engine"
407 " that isn't seekable. Pre-read disabled.\n");
408 ret = warnings_fatal;
412 #ifndef FIO_HAVE_FDATASYNC
413 if (o->fdatasync_blocks) {
414 log_info("fio: this platform does not support fdatasync()"
415 " falling back to using fsync(). Use the 'fsync'"
416 " option instead of 'fdatasync' to get rid of"
418 o->fsync_blocks = o->fdatasync_blocks;
419 o->fdatasync_blocks = 0;
420 ret = warnings_fatal;
428 * This function leaks the buffer
430 static char *to_kmg(unsigned int val)
432 char *buf = malloc(32);
433 char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 };
444 snprintf(buf, 31, "%u%c", val, *p);
448 /* External engines are specified by "external:name.o") */
449 static const char *get_engine_name(const char *str)
451 char *p = strstr(str, ":");
457 strip_blank_front(&p);
462 static int exists_and_not_file(const char *filename)
466 if (lstat(filename, &sb) == -1)
469 /* \\.\ is the device namespace in Windows, where every file
470 * is a device node */
471 if (S_ISREG(sb.st_mode) && strncmp(filename, "\\\\.\\", 4) != 0)
477 static void td_fill_rand_seeds_os(struct thread_data *td)
479 os_random_seed(td->rand_seeds[0], &td->bsrange_state);
480 os_random_seed(td->rand_seeds[1], &td->verify_state);
481 os_random_seed(td->rand_seeds[2], &td->rwmix_state);
483 if (td->o.file_service_type == FIO_FSERVICE_RANDOM)
484 os_random_seed(td->rand_seeds[3], &td->next_file_state);
486 os_random_seed(td->rand_seeds[5], &td->file_size_state);
487 os_random_seed(td->rand_seeds[6], &td->trim_state);
492 if (td->o.rand_repeatable)
493 td->rand_seeds[4] = FIO_RANDSEED * td->thread_number;
495 os_random_seed(td->rand_seeds[4], &td->random_state);
498 static void td_fill_rand_seeds_internal(struct thread_data *td)
500 init_rand_seed(&td->__bsrange_state, td->rand_seeds[0]);
501 init_rand_seed(&td->__verify_state, td->rand_seeds[1]);
502 init_rand_seed(&td->__rwmix_state, td->rand_seeds[2]);
504 if (td->o.file_service_type == FIO_FSERVICE_RANDOM)
505 init_rand_seed(&td->__next_file_state, td->rand_seeds[3]);
507 init_rand_seed(&td->__file_size_state, td->rand_seeds[5]);
508 init_rand_seed(&td->__trim_state, td->rand_seeds[6]);
513 if (td->o.rand_repeatable)
514 td->rand_seeds[4] = FIO_RANDSEED * td->thread_number;
516 init_rand_seed(&td->__random_state, td->rand_seeds[4]);
519 void td_fill_rand_seeds(struct thread_data *td)
521 if (td->o.use_os_rand)
522 td_fill_rand_seeds_os(td);
524 td_fill_rand_seeds_internal(td);
526 init_rand_seed(&td->buf_state, td->rand_seeds[7]);
530 * Initialize the various random states we need (random io, block size ranges,
531 * read/write mix, etc).
533 static int init_random_state(struct thread_data *td)
537 fd = open("/dev/urandom", O_RDONLY);
539 td_verror(td, errno, "open");
543 if (read(fd, td->rand_seeds, sizeof(td->rand_seeds)) <
544 (int) sizeof(td->rand_seeds)) {
545 td_verror(td, EIO, "read");
551 td_fill_rand_seeds(td);
556 * Adds a job to the list of things todo. Sanitizes the various options
557 * to make sure we don't have conflicts, and initializes various
560 static int add_job(struct thread_data *td, const char *jobname, int job_add_num)
562 const char *ddir_str[] = { NULL, "read", "write", "rw", NULL,
563 "randread", "randwrite", "randrw" };
566 char fname[PATH_MAX];
567 int numjobs, file_alloced;
570 * the def_thread is just for options, it's not a real job
572 if (td == &def_thread)
576 * if we are just dumping the output command line, don't add the job
583 if (profile_td_init(td))
586 engine = get_engine_name(td->o.ioengine);
587 td->io_ops = load_ioengine(td, engine);
589 log_err("fio: failed to load engine %s\n", engine);
593 if (td->o.use_thread)
599 td->io_ops->flags |= FIO_RAWIO;
602 if (!td->o.filename && !td->files_index && !td->o.read_iolog_file) {
605 if (td->o.nr_files == 1 && exists_and_not_file(jobname))
606 add_file(td, jobname);
608 for (i = 0; i < td->o.nr_files; i++) {
609 sprintf(fname, "%s.%d.%d", jobname,
610 td->thread_number, i);
616 if (fixup_options(td))
619 if (td->io_ops->flags & FIO_DISKLESSIO) {
622 for_each_file(td, f, i)
623 f->real_file_size = -1ULL;
626 td->mutex = fio_mutex_init(0);
628 td->ts.clat_percentiles = td->o.clat_percentiles;
629 if (td->o.overwrite_plist)
630 td->ts.percentile_list = td->o.percentile_list;
632 td->ts.percentile_list = NULL;
634 td->ts.clat_stat[0].min_val = td->ts.clat_stat[1].min_val = ULONG_MAX;
635 td->ts.slat_stat[0].min_val = td->ts.slat_stat[1].min_val = ULONG_MAX;
636 td->ts.lat_stat[0].min_val = td->ts.lat_stat[1].min_val = ULONG_MAX;
637 td->ts.bw_stat[0].min_val = td->ts.bw_stat[1].min_val = ULONG_MAX;
638 td->ddir_seq_nr = td->o.ddir_seq_nr;
640 if ((td->o.stonewall || td->o.new_group) && prev_group_jobs) {
645 td->groupid = groupid;
648 if (init_random_state(td))
654 if (td->o.write_lat_log) {
655 setup_log(&td->ts.lat_log);
656 setup_log(&td->ts.slat_log);
657 setup_log(&td->ts.clat_log);
659 if (td->o.write_bw_log)
660 setup_log(&td->ts.bw_log);
663 td->o.name = strdup(jobname);
667 if (!strcmp(td->io_ops->name, "cpuio")) {
668 log_info("%s: ioengine=cpu, cpuload=%u,"
669 " cpucycle=%u\n", td->o.name,
673 char *c1, *c2, *c3, *c4;
675 c1 = to_kmg(td->o.min_bs[DDIR_READ]);
676 c2 = to_kmg(td->o.max_bs[DDIR_READ]);
677 c3 = to_kmg(td->o.min_bs[DDIR_WRITE]);
678 c4 = to_kmg(td->o.max_bs[DDIR_WRITE]);
680 log_info("%s: (g=%d): rw=%s, bs=%s-%s/%s-%s,"
681 " ioengine=%s, iodepth=%u\n",
682 td->o.name, td->groupid,
683 ddir_str[td->o.td_ddir],
693 } else if (job_add_num == 1)
698 * recurse add identical jobs, clear numjobs and stonewall options
699 * as they don't apply to sub-jobs
701 numjobs = td->o.numjobs;
703 struct thread_data *td_new = get_new_job(0, td);
708 td_new->o.numjobs = 1;
709 td_new->o.stonewall = 0;
710 td_new->o.new_group = 0;
713 td_new->o.filename = NULL;
714 td_new->files_index = 0;
715 td_new->files_size = 0;
716 td_new->files = NULL;
719 job_add_num = numjobs - 1;
721 if (add_job(td_new, jobname, job_add_num))
732 * Parse as if 'o' was a command line
734 void add_job_opts(const char **o)
736 struct thread_data *td, *td_parent;
737 int i, in_global = 1;
741 td_parent = td = NULL;
743 if (!strncmp(o[i], "name", 4)) {
746 add_job(td, jobname, 0);
748 sprintf(jobname, "%s", o[i] + 5);
750 if (in_global && !td_parent)
751 td_parent = get_new_job(1, &def_thread);
752 else if (!in_global && !td) {
754 td_parent = &def_thread;
755 td = get_new_job(0, td_parent);
758 fio_options_parse(td_parent, (char **) &o[i], 1);
760 fio_options_parse(td, (char **) &o[i], 1);
765 add_job(td, jobname, 0);
768 static int skip_this_section(const char *name)
772 if (!nr_job_sections)
774 if (!strncmp(name, "global", 6))
777 for (i = 0; i < nr_job_sections; i++)
778 if (!strcmp(job_sections[i], name))
784 static int is_empty_or_comment(char *line)
788 for (i = 0; i < strlen(line); i++) {
793 if (!isspace((int) line[i]) && !iscntrl((int) line[i]))
801 * This is our [ini] type file parser.
803 static int parse_jobs_ini(char *file, int stonewall_flag)
806 struct thread_data *td;
810 int ret = 0, stonewall;
815 int i, alloc_opts, num_opts;
817 if (!strcmp(file, "-"))
820 f = fopen(file, "r");
823 perror("fopen job file");
827 string = malloc(4096);
830 * it's really 256 + small bit, 280 should suffice
833 memset(name, 0, 280);
836 opts = malloc(sizeof(char *) * alloc_opts);
839 stonewall = stonewall_flag;
842 * if skip_fgets is set, we already have loaded a line we
846 p = fgets(string, 4095, f);
852 strip_blank_front(&p);
855 if (is_empty_or_comment(p))
857 if (sscanf(p, "[%255[^\n]]", name) != 1) {
860 log_err("fio: option <%s> outside of [] job section\n",
865 name[strlen(name) - 1] = '\0';
867 if (skip_this_section(name)) {
873 global = !strncmp(name, "global", 6);
879 log_info("--name=%s ", name);
883 td = get_new_job(global, &def_thread);
890 * Seperate multiple job files by a stonewall
892 if (!global && stonewall) {
893 td->o.stonewall = stonewall;
898 memset(opts, 0, alloc_opts * sizeof(char *));
900 while ((p = fgets(string, 4096, f)) != NULL) {
901 if (is_empty_or_comment(p))
904 strip_blank_front(&p);
907 * new section, break out and make sure we don't
908 * fgets() a new line at the top.
917 if (num_opts == alloc_opts) {
920 alloc_opts * sizeof(char *));
923 opts[num_opts] = strdup(p);
927 ret = fio_options_parse(td, opts, num_opts);
930 for (i = 0; i < num_opts; i++)
931 log_info("--%s ", opts[i]);
933 ret = add_job(td, name, 0);
935 log_err("fio: job %s dropped\n", name);
939 for (i = 0; i < num_opts; i++)
947 for (i = 0; i < num_opts; i++)
958 static int fill_def_thread(void)
960 memset(&def_thread, 0, sizeof(def_thread));
962 fio_getaffinity(getpid(), &def_thread.o.cpumask);
963 def_thread.o.timeout = def_timeout;
966 * fill default options
968 fio_fill_default_options(&def_thread);
972 static void free_shm(void)
974 struct shmid_ds sbuf;
981 fio_debug_jobp = NULL;
983 shmctl(shm_id, IPC_RMID, &sbuf);
990 * The thread area is shared between the main process and the job
991 * threads/processes. So setup a shared memory segment that will hold
992 * all the job info. We use the end of the region for keeping track of
993 * open files across jobs, for file sharing.
995 static int setup_thread_area(void)
1000 * 1024 is too much on some machines, scale max_jobs if
1001 * we get a failure that looks like too large a shm segment
1004 size_t size = max_jobs * sizeof(struct thread_data);
1006 size += file_hash_size;
1007 size += sizeof(unsigned int);
1009 shm_id = shmget(0, size, IPC_CREAT | 0600);
1012 if (errno != EINVAL) {
1023 threads = shmat(shm_id, NULL, 0);
1024 if (threads == (void *) -1) {
1029 memset(threads, 0, max_jobs * sizeof(struct thread_data));
1030 hash = (void *) threads + max_jobs * sizeof(struct thread_data);
1031 fio_debug_jobp = (void *) hash + file_hash_size;
1032 *fio_debug_jobp = -1;
1033 file_hash_init(hash);
1038 static void usage(const char *name)
1040 printf("%s\n", fio_version_string);
1041 printf("%s [options] [job options] <job file(s)>\n", name);
1042 printf("\t--debug=options\tEnable debug logging\n");
1043 printf("\t--output\tWrite output to file\n");
1044 printf("\t--timeout\tRuntime in seconds\n");
1045 printf("\t--latency-log\tGenerate per-job latency logs\n");
1046 printf("\t--bandwidth-log\tGenerate per-job bandwidth logs\n");
1047 printf("\t--minimal\tMinimal (terse) output\n");
1048 printf("\t--version\tPrint version info and exit\n");
1049 printf("\t--terse-version=x Terse version output format\n");
1050 printf("\t--help\t\tPrint this page\n");
1051 printf("\t--cmdhelp=cmd\tPrint command help, \"all\" for all of"
1053 printf("\t--showcmd\tTurn a job file into command line options\n");
1054 printf("\t--eta=when\tWhen ETA estimate should be printed\n");
1055 printf("\t \tMay be \"always\", \"never\" or \"auto\"\n");
1056 printf("\t--readonly\tTurn on safety read-only checks, preventing"
1058 printf("\t--section=name\tOnly run specified section in job file\n");
1059 printf("\t--alloc-size=kb\tSet smalloc pool to this size in kb"
1061 printf("\t--warnings-fatal Fio parser warnings are fatal\n");
1062 printf("\t--max-jobs\tMaximum number of threads/processes to support\n");
1063 printf("\nFio was written by Jens Axboe <jens.axboe@oracle.com>");
1064 printf("\n Jens Axboe <jaxboe@fusionio.com>\n");
1067 #ifdef FIO_INC_DEBUG
1068 struct debug_level debug_levels[] = {
1069 { .name = "process", .shift = FD_PROCESS, },
1070 { .name = "file", .shift = FD_FILE, },
1071 { .name = "io", .shift = FD_IO, },
1072 { .name = "mem", .shift = FD_MEM, },
1073 { .name = "blktrace", .shift = FD_BLKTRACE },
1074 { .name = "verify", .shift = FD_VERIFY },
1075 { .name = "random", .shift = FD_RANDOM },
1076 { .name = "parse", .shift = FD_PARSE },
1077 { .name = "diskutil", .shift = FD_DISKUTIL },
1078 { .name = "job", .shift = FD_JOB },
1079 { .name = "mutex", .shift = FD_MUTEX },
1080 { .name = "profile", .shift = FD_PROFILE },
1081 { .name = "time", .shift = FD_TIME },
1085 static int set_debug(const char *string)
1087 struct debug_level *dl;
1088 char *p = (char *) string;
1092 if (!strcmp(string, "?") || !strcmp(string, "help")) {
1093 log_info("fio: dumping debug options:");
1094 for (i = 0; debug_levels[i].name; i++) {
1095 dl = &debug_levels[i];
1096 log_info("%s,", dl->name);
1102 while ((opt = strsep(&p, ",")) != NULL) {
1105 if (!strncmp(opt, "all", 3)) {
1106 log_info("fio: set all debug options\n");
1111 for (i = 0; debug_levels[i].name; i++) {
1112 dl = &debug_levels[i];
1113 found = !strncmp(opt, dl->name, strlen(dl->name));
1117 if (dl->shift == FD_JOB) {
1118 opt = strchr(opt, ':');
1120 log_err("fio: missing job number\n");
1124 fio_debug_jobno = atoi(opt);
1125 log_info("fio: set debug jobno %d\n",
1128 log_info("fio: set debug option %s\n", opt);
1129 fio_debug |= (1UL << dl->shift);
1135 log_err("fio: debug mask %s not found\n", opt);
1140 static int set_debug(const char *string)
1142 log_err("fio: debug tracing not included in build\n");
1147 static void fio_options_fill_optstring(void)
1149 char *ostr = cmd_optstr;
1153 while (l_opts[i].name) {
1154 ostr[c++] = l_opts[i].val;
1155 if (l_opts[i].has_arg == required_argument)
1157 else if (l_opts[i].has_arg == optional_argument) {
1166 static int parse_cmd_line(int argc, char *argv[])
1168 struct thread_data *td = NULL;
1169 int c, ini_idx = 0, lidx, ret = 0, do_exit = 0, exit_val = 0;
1170 char *ostr = cmd_optstr;
1172 while ((c = getopt_long_only(argc, argv, ostr, l_opts, &lidx)) != -1) {
1175 smalloc_pool_size = atoi(optarg);
1178 def_timeout = atoi(optarg);
1187 f_out = fopen(optarg, "w+");
1189 perror("fopen output");
1201 exit(fio_show_option_help(optarg));
1209 log_info("%s\n", fio_version_string);
1212 terse_version = atoi(optarg);
1213 if (terse_version != 2) {
1214 log_err("fio: bad terse version format\n");
1220 if (!strcmp("always", optarg))
1221 eta_print = FIO_ETA_ALWAYS;
1222 else if (!strcmp("never", optarg))
1223 eta_print = FIO_ETA_NEVER;
1226 if (set_debug(optarg))
1232 if (!strcmp(optarg, "global")) {
1233 log_err("fio: can't use global as only "
1239 new_size = (nr_job_sections + 1) * sizeof(char *);
1240 job_sections = realloc(job_sections, new_size);
1241 job_sections[nr_job_sections] = strdup(optarg);
1246 exec_profile = strdup(optarg);
1248 case FIO_GETOPT_JOB: {
1249 const char *opt = l_opts[lidx].name;
1252 if (!strncmp(opt, "name", 4) && td) {
1253 ret = add_job(td, td->o.name ?: "fio", 0);
1259 int is_section = !strncmp(opt, "name", 4);
1262 if (!is_section || !strncmp(val, "global", 6))
1265 if (is_section && skip_this_section(val))
1268 td = get_new_job(global, &def_thread);
1273 ret = fio_cmd_option_parse(td, opt, val);
1280 max_jobs = atoi(optarg);
1281 if (!max_jobs || max_jobs > REAL_MAX_JOBS) {
1282 log_err("fio: invalid max jobs: %d\n", max_jobs);
1299 ret = add_job(td, td->o.name ?: "fio", 0);
1302 while (optind < argc) {
1304 ini_file = realloc(ini_file, ini_idx * sizeof(char *));
1305 ini_file[ini_idx - 1] = strdup(argv[optind]);
1312 int parse_options(int argc, char *argv[])
1319 fio_options_fill_optstring();
1320 fio_options_dup_and_init(l_opts);
1322 if (setup_thread_area())
1324 if (fill_def_thread())
1327 job_files = parse_cmd_line(argc, argv);
1329 for (i = 0; i < job_files; i++) {
1330 if (fill_def_thread())
1332 if (parse_jobs_ini(ini_file[i], i))
1338 options_mem_free(&def_thread);
1340 if (!thread_number) {
1346 log_err("No jobs(s) defined\n\n");
1351 if (def_thread.o.gtod_offload) {
1353 fio_gtod_offload = 1;
1354 fio_gtod_cpu = def_thread.o.gtod_cpu;
1357 log_info("%s\n", fio_version_string);