2 * This file contains job initialization and setup functions.
13 #include <sys/types.h>
24 #include "lib/getopt.h"
26 static char fio_version_string[] = "fio 1.58";
28 #define FIO_RANDSEED (0xb1899bedUL)
30 static char **ini_file;
31 static int max_jobs = FIO_MAX_JOBS;
32 static int dump_cmdline;
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;
53 static int write_lat_log;
55 static int prev_group_jobs;
57 unsigned long fio_debug = 0;
58 unsigned int fio_debug_jobno = -1;
59 unsigned int *fio_debug_jobp = NULL;
61 static char cmd_optstr[256];
64 * Command line options. These will contain the above, plus a few
65 * extra that only pertain to fio itself and not jobs.
67 static struct option l_opts[FIO_NR_OPTIONS] = {
69 .name = (char *) "output",
70 .has_arg = required_argument,
74 .name = (char *) "timeout",
75 .has_arg = required_argument,
79 .name = (char *) "latency-log",
80 .has_arg = required_argument,
84 .name = (char *) "bandwidth-log",
85 .has_arg = required_argument,
89 .name = (char *) "minimal",
90 .has_arg = optional_argument,
94 .name = (char *) "version",
95 .has_arg = no_argument,
99 .name = (char *) "help",
100 .has_arg = no_argument,
104 .name = (char *) "cmdhelp",
105 .has_arg = optional_argument,
109 .name = (char *) "showcmd",
110 .has_arg = no_argument,
114 .name = (char *) "readonly",
115 .has_arg = no_argument,
119 .name = (char *) "eta",
120 .has_arg = required_argument,
124 .name = (char *) "debug",
125 .has_arg = required_argument,
129 .name = (char *) "section",
130 .has_arg = required_argument,
134 .name = (char *) "alloc-size",
135 .has_arg = required_argument,
139 .name = (char *) "profile",
140 .has_arg = required_argument,
144 .name = (char *) "warnings-fatal",
145 .has_arg = no_argument,
149 .name = (char *) "max-jobs",
150 .has_arg = required_argument,
154 .name = (char *) "terse-version",
155 .has_arg = required_argument,
159 .name = (char *) "server",
160 .has_arg = no_argument,
179 * Return a free job structure.
181 static struct thread_data *get_new_job(int global, struct thread_data *parent)
183 struct thread_data *td;
187 if (thread_number >= max_jobs) {
188 log_err("error: maximum number of jobs (%d) reached.\n",
193 td = &threads[thread_number++];
196 td->o.uid = td->o.gid = -1U;
198 dup_files(td, parent);
199 options_mem_dupe(td);
201 profile_add_hooks(td);
203 td->thread_number = thread_number;
207 static void put_job(struct thread_data *td)
209 if (td == &def_thread)
215 log_info("fio: %s\n", td->verror);
217 memset(&threads[td->thread_number - 1], 0, sizeof(*td));
221 static int __setup_rate(struct thread_data *td, enum fio_ddir ddir)
223 unsigned int bs = td->o.min_bs[ddir];
224 unsigned long long bytes_per_sec;
226 assert(ddir_rw(ddir));
228 if (td->o.rate[ddir])
229 bytes_per_sec = td->o.rate[ddir];
231 bytes_per_sec = td->o.rate_iops[ddir] * bs;
233 if (!bytes_per_sec) {
234 log_err("rate lower than supported\n");
238 td->rate_nsec_cycle[ddir] = 1000000000ULL / bytes_per_sec;
239 td->rate_pending_usleep[ddir] = 0;
243 static int setup_rate(struct thread_data *td)
247 if (td->o.rate[DDIR_READ] || td->o.rate_iops[DDIR_READ])
248 ret = __setup_rate(td, DDIR_READ);
249 if (td->o.rate[DDIR_WRITE] || td->o.rate_iops[DDIR_WRITE])
250 ret |= __setup_rate(td, DDIR_WRITE);
255 static int fixed_block_size(struct thread_options *o)
257 return o->min_bs[DDIR_READ] == o->max_bs[DDIR_READ] &&
258 o->min_bs[DDIR_WRITE] == o->max_bs[DDIR_WRITE] &&
259 o->min_bs[DDIR_READ] == o->min_bs[DDIR_WRITE];
263 * Lazy way of fixing up options that depend on each other. We could also
264 * define option callback handlers, but this is easier.
266 static int fixup_options(struct thread_data *td)
268 struct thread_options *o = &td->o;
271 #ifndef FIO_HAVE_PSHARED_MUTEX
272 if (!o->use_thread) {
273 log_info("fio: this platform does not support process shared"
274 " mutexes, forcing use of threads. Use the 'thread'"
275 " option to get rid of this warning.\n");
277 ret = warnings_fatal;
281 if (o->write_iolog_file && o->read_iolog_file) {
282 log_err("fio: read iolog overrides write_iolog\n");
283 free(o->write_iolog_file);
284 o->write_iolog_file = NULL;
285 ret = warnings_fatal;
289 * only really works for sequential io for now, and with 1 file
291 if (o->zone_size && td_random(td) && o->open_files == 1)
295 * Reads can do overwrites, we always need to pre-create the file
297 if (td_read(td) || td_rw(td))
300 if (!o->min_bs[DDIR_READ])
301 o->min_bs[DDIR_READ] = o->bs[DDIR_READ];
302 if (!o->max_bs[DDIR_READ])
303 o->max_bs[DDIR_READ] = o->bs[DDIR_READ];
304 if (!o->min_bs[DDIR_WRITE])
305 o->min_bs[DDIR_WRITE] = o->bs[DDIR_WRITE];
306 if (!o->max_bs[DDIR_WRITE])
307 o->max_bs[DDIR_WRITE] = o->bs[DDIR_WRITE];
309 o->rw_min_bs = min(o->min_bs[DDIR_READ], o->min_bs[DDIR_WRITE]);
312 * For random IO, allow blockalign offset other than min_bs.
314 if (!o->ba[DDIR_READ] || !td_random(td))
315 o->ba[DDIR_READ] = o->min_bs[DDIR_READ];
316 if (!o->ba[DDIR_WRITE] || !td_random(td))
317 o->ba[DDIR_WRITE] = o->min_bs[DDIR_WRITE];
319 if ((o->ba[DDIR_READ] != o->min_bs[DDIR_READ] ||
320 o->ba[DDIR_WRITE] != o->min_bs[DDIR_WRITE]) &&
322 log_err("fio: Any use of blockalign= turns off randommap\n");
324 ret = warnings_fatal;
327 if (!o->file_size_high)
328 o->file_size_high = o->file_size_low;
330 if (o->norandommap && o->verify != VERIFY_NONE
331 && !fixed_block_size(o)) {
332 log_err("fio: norandommap given for variable block sizes, "
333 "verify disabled\n");
334 o->verify = VERIFY_NONE;
335 ret = warnings_fatal;
337 if (o->bs_unaligned && (o->odirect || td->io_ops->flags & FIO_RAWIO))
338 log_err("fio: bs_unaligned may not work with raw io\n");
341 * thinktime_spin must be less than thinktime
343 if (o->thinktime_spin > o->thinktime)
344 o->thinktime_spin = o->thinktime;
347 * The low water mark cannot be bigger than the iodepth
349 if (o->iodepth_low > o->iodepth || !o->iodepth_low) {
351 * syslet work around - if the workload is sequential,
352 * we want to let the queue drain all the way down to
353 * avoid seeking between async threads
355 if (!strcmp(td->io_ops->name, "syslet-rw") && !td_random(td))
358 o->iodepth_low = o->iodepth;
362 * If batch number isn't set, default to the same as iodepth
364 if (o->iodepth_batch > o->iodepth || !o->iodepth_batch)
365 o->iodepth_batch = o->iodepth;
367 if (o->nr_files > td->files_index)
368 o->nr_files = td->files_index;
370 if (o->open_files > o->nr_files || !o->open_files)
371 o->open_files = o->nr_files;
373 if (((o->rate[0] + o->rate[1]) && (o->rate_iops[0] + o->rate_iops[1]))||
374 ((o->ratemin[0] + o->ratemin[1]) && (o->rate_iops_min[0] +
375 o->rate_iops_min[1]))) {
376 log_err("fio: rate and rate_iops are mutually exclusive\n");
379 if ((o->rate[0] < o->ratemin[0]) || (o->rate[1] < o->ratemin[1]) ||
380 (o->rate_iops[0] < o->rate_iops_min[0]) ||
381 (o->rate_iops[1] < o->rate_iops_min[1])) {
382 log_err("fio: minimum rate exceeds rate\n");
386 if (!o->timeout && o->time_based) {
387 log_err("fio: time_based requires a runtime/timeout setting\n");
389 ret = warnings_fatal;
392 if (o->fill_device && !o->size)
395 if (o->verify != VERIFY_NONE) {
396 if (td_write(td) && o->do_verify && o->numjobs > 1) {
397 log_info("Multiple writers may overwrite blocks that "
398 "belong to other jobs. This can cause "
399 "verification failures.\n");
400 ret = warnings_fatal;
403 o->refill_buffers = 1;
404 if (o->max_bs[DDIR_WRITE] != o->min_bs[DDIR_WRITE] &&
406 o->verify_interval = o->min_bs[DDIR_WRITE];
410 o->invalidate_cache = 0;
411 if (td->io_ops->flags & FIO_PIPEIO) {
412 log_info("fio: cannot pre-read files with an IO engine"
413 " that isn't seekable. Pre-read disabled.\n");
414 ret = warnings_fatal;
418 #ifndef FIO_HAVE_FDATASYNC
419 if (o->fdatasync_blocks) {
420 log_info("fio: this platform does not support fdatasync()"
421 " falling back to using fsync(). Use the 'fsync'"
422 " option instead of 'fdatasync' to get rid of"
424 o->fsync_blocks = o->fdatasync_blocks;
425 o->fdatasync_blocks = 0;
426 ret = warnings_fatal;
434 * This function leaks the buffer
436 static char *to_kmg(unsigned int val)
438 char *buf = malloc(32);
439 char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 };
450 snprintf(buf, 31, "%u%c", val, *p);
454 /* External engines are specified by "external:name.o") */
455 static const char *get_engine_name(const char *str)
457 char *p = strstr(str, ":");
463 strip_blank_front(&p);
468 static int exists_and_not_file(const char *filename)
472 if (lstat(filename, &sb) == -1)
475 /* \\.\ is the device namespace in Windows, where every file
476 * is a device node */
477 if (S_ISREG(sb.st_mode) && strncmp(filename, "\\\\.\\", 4) != 0)
483 static void td_fill_rand_seeds_os(struct thread_data *td)
485 os_random_seed(td->rand_seeds[0], &td->bsrange_state);
486 os_random_seed(td->rand_seeds[1], &td->verify_state);
487 os_random_seed(td->rand_seeds[2], &td->rwmix_state);
489 if (td->o.file_service_type == FIO_FSERVICE_RANDOM)
490 os_random_seed(td->rand_seeds[3], &td->next_file_state);
492 os_random_seed(td->rand_seeds[5], &td->file_size_state);
493 os_random_seed(td->rand_seeds[6], &td->trim_state);
498 if (td->o.rand_repeatable)
499 td->rand_seeds[4] = FIO_RANDSEED * td->thread_number;
501 os_random_seed(td->rand_seeds[4], &td->random_state);
504 static void td_fill_rand_seeds_internal(struct thread_data *td)
506 init_rand_seed(&td->__bsrange_state, td->rand_seeds[0]);
507 init_rand_seed(&td->__verify_state, td->rand_seeds[1]);
508 init_rand_seed(&td->__rwmix_state, td->rand_seeds[2]);
510 if (td->o.file_service_type == FIO_FSERVICE_RANDOM)
511 init_rand_seed(&td->__next_file_state, td->rand_seeds[3]);
513 init_rand_seed(&td->__file_size_state, td->rand_seeds[5]);
514 init_rand_seed(&td->__trim_state, td->rand_seeds[6]);
519 if (td->o.rand_repeatable)
520 td->rand_seeds[4] = FIO_RANDSEED * td->thread_number;
522 init_rand_seed(&td->__random_state, td->rand_seeds[4]);
525 void td_fill_rand_seeds(struct thread_data *td)
527 if (td->o.use_os_rand)
528 td_fill_rand_seeds_os(td);
530 td_fill_rand_seeds_internal(td);
532 init_rand_seed(&td->buf_state, td->rand_seeds[7]);
536 * Initialize the various random states we need (random io, block size ranges,
537 * read/write mix, etc).
539 static int init_random_state(struct thread_data *td)
543 fd = open("/dev/urandom", O_RDONLY);
545 td_verror(td, errno, "open");
549 if (read(fd, td->rand_seeds, sizeof(td->rand_seeds)) <
550 (int) sizeof(td->rand_seeds)) {
551 td_verror(td, EIO, "read");
557 td_fill_rand_seeds(td);
562 * Adds a job to the list of things todo. Sanitizes the various options
563 * to make sure we don't have conflicts, and initializes various
566 static int add_job(struct thread_data *td, const char *jobname, int job_add_num)
568 const char *ddir_str[] = { NULL, "read", "write", "rw", NULL,
569 "randread", "randwrite", "randrw" };
572 char fname[PATH_MAX];
573 int numjobs, file_alloced;
576 * the def_thread is just for options, it's not a real job
578 if (td == &def_thread)
582 * if we are just dumping the output command line, don't add the job
589 if (profile_td_init(td))
592 engine = get_engine_name(td->o.ioengine);
593 td->io_ops = load_ioengine(td, engine);
595 log_err("fio: failed to load engine %s\n", engine);
599 if (td->o.use_thread)
605 td->io_ops->flags |= FIO_RAWIO;
608 if (!td->o.filename && !td->files_index && !td->o.read_iolog_file) {
611 if (td->o.nr_files == 1 && exists_and_not_file(jobname))
612 add_file(td, jobname);
614 for (i = 0; i < td->o.nr_files; i++) {
615 sprintf(fname, "%s.%d.%d", jobname,
616 td->thread_number, i);
622 if (fixup_options(td))
625 if (td->io_ops->flags & FIO_DISKLESSIO) {
628 for_each_file(td, f, i)
629 f->real_file_size = -1ULL;
632 td->mutex = fio_mutex_init(0);
634 td->ts.clat_percentiles = td->o.clat_percentiles;
635 if (td->o.overwrite_plist)
636 td->ts.percentile_list = td->o.percentile_list;
638 td->ts.percentile_list = NULL;
640 td->ts.clat_stat[0].min_val = td->ts.clat_stat[1].min_val = ULONG_MAX;
641 td->ts.slat_stat[0].min_val = td->ts.slat_stat[1].min_val = ULONG_MAX;
642 td->ts.lat_stat[0].min_val = td->ts.lat_stat[1].min_val = ULONG_MAX;
643 td->ts.bw_stat[0].min_val = td->ts.bw_stat[1].min_val = ULONG_MAX;
644 td->ddir_seq_nr = td->o.ddir_seq_nr;
646 if ((td->o.stonewall || td->o.new_group) && prev_group_jobs) {
651 td->groupid = groupid;
654 if (init_random_state(td))
660 if (td->o.write_lat_log) {
661 setup_log(&td->ts.lat_log);
662 setup_log(&td->ts.slat_log);
663 setup_log(&td->ts.clat_log);
665 if (td->o.write_bw_log)
666 setup_log(&td->ts.bw_log);
669 td->o.name = strdup(jobname);
673 if (!strcmp(td->io_ops->name, "cpuio")) {
674 log_info("%s: ioengine=cpu, cpuload=%u,"
675 " cpucycle=%u\n", td->o.name,
679 char *c1, *c2, *c3, *c4;
681 c1 = to_kmg(td->o.min_bs[DDIR_READ]);
682 c2 = to_kmg(td->o.max_bs[DDIR_READ]);
683 c3 = to_kmg(td->o.min_bs[DDIR_WRITE]);
684 c4 = to_kmg(td->o.max_bs[DDIR_WRITE]);
686 log_info("%s: (g=%d): rw=%s, bs=%s-%s/%s-%s,"
687 " ioengine=%s, iodepth=%u\n",
688 td->o.name, td->groupid,
689 ddir_str[td->o.td_ddir],
699 } else if (job_add_num == 1)
704 * recurse add identical jobs, clear numjobs and stonewall options
705 * as they don't apply to sub-jobs
707 numjobs = td->o.numjobs;
709 struct thread_data *td_new = get_new_job(0, td);
714 td_new->o.numjobs = 1;
715 td_new->o.stonewall = 0;
716 td_new->o.new_group = 0;
719 td_new->o.filename = NULL;
720 td_new->files_index = 0;
721 td_new->files_size = 0;
722 td_new->files = NULL;
725 job_add_num = numjobs - 1;
727 if (add_job(td_new, jobname, job_add_num))
738 * Parse as if 'o' was a command line
740 void add_job_opts(const char **o)
742 struct thread_data *td, *td_parent;
743 int i, in_global = 1;
747 td_parent = td = NULL;
749 if (!strncmp(o[i], "name", 4)) {
752 add_job(td, jobname, 0);
754 sprintf(jobname, "%s", o[i] + 5);
756 if (in_global && !td_parent)
757 td_parent = get_new_job(1, &def_thread);
758 else if (!in_global && !td) {
760 td_parent = &def_thread;
761 td = get_new_job(0, td_parent);
764 fio_options_parse(td_parent, (char **) &o[i], 1);
766 fio_options_parse(td, (char **) &o[i], 1);
771 add_job(td, jobname, 0);
774 static int skip_this_section(const char *name)
778 if (!nr_job_sections)
780 if (!strncmp(name, "global", 6))
783 for (i = 0; i < nr_job_sections; i++)
784 if (!strcmp(job_sections[i], name))
790 static int is_empty_or_comment(char *line)
794 for (i = 0; i < strlen(line); i++) {
799 if (!isspace((int) line[i]) && !iscntrl((int) line[i]))
807 * This is our [ini] type file parser.
809 int parse_jobs_ini(char *file, int is_buf, int stonewall_flag)
812 struct thread_data *td;
816 int ret = 0, stonewall;
821 int i, alloc_opts, num_opts;
826 if (!strcmp(file, "-"))
829 f = fopen(file, "r");
832 perror("fopen job file");
837 string = malloc(4096);
840 * it's really 256 + small bit, 280 should suffice
843 memset(name, 0, 280);
846 opts = malloc(sizeof(char *) * alloc_opts);
849 stonewall = stonewall_flag;
852 * if skip_fgets is set, we already have loaded a line we
857 p = strsep(&file, "\n");
859 p = fgets(string, 4095, f);
865 strip_blank_front(&p);
868 if (is_empty_or_comment(p))
870 if (sscanf(p, "[%255[^\n]]", name) != 1) {
873 log_err("fio: option <%s> outside of [] job section\n",
878 name[strlen(name) - 1] = '\0';
880 if (skip_this_section(name)) {
886 global = !strncmp(name, "global", 6);
892 log_info("--name=%s ", name);
896 td = get_new_job(global, &def_thread);
903 * Seperate multiple job files by a stonewall
905 if (!global && stonewall) {
906 td->o.stonewall = stonewall;
911 memset(opts, 0, alloc_opts * sizeof(char *));
915 p = strsep(&file, "\n");
917 p = fgets(string, 4096, f);
921 if (is_empty_or_comment(p))
924 strip_blank_front(&p);
927 * new section, break out and make sure we don't
928 * fgets() a new line at the top.
937 if (num_opts == alloc_opts) {
940 alloc_opts * sizeof(char *));
943 opts[num_opts] = strdup(p);
947 ret = fio_options_parse(td, opts, num_opts);
950 for (i = 0; i < num_opts; i++)
951 log_info("--%s ", opts[i]);
953 ret = add_job(td, name, 0);
955 log_err("fio: job %s dropped\n", name);
959 for (i = 0; i < num_opts; i++)
967 for (i = 0; i < num_opts; i++)
973 if (!is_buf && f != stdin)
978 static int fill_def_thread(void)
980 memset(&def_thread, 0, sizeof(def_thread));
982 fio_getaffinity(getpid(), &def_thread.o.cpumask);
985 * fill default options
987 fio_fill_default_options(&def_thread);
991 static void free_shm(void)
993 struct shmid_ds sbuf;
1000 fio_debug_jobp = NULL;
1002 shmctl(shm_id, IPC_RMID, &sbuf);
1009 * The thread area is shared between the main process and the job
1010 * threads/processes. So setup a shared memory segment that will hold
1011 * all the job info. We use the end of the region for keeping track of
1012 * open files across jobs, for file sharing.
1014 static int setup_thread_area(void)
1019 * 1024 is too much on some machines, scale max_jobs if
1020 * we get a failure that looks like too large a shm segment
1023 size_t size = max_jobs * sizeof(struct thread_data);
1025 size += file_hash_size;
1026 size += sizeof(unsigned int);
1028 shm_id = shmget(0, size, IPC_CREAT | 0600);
1031 if (errno != EINVAL) {
1042 threads = shmat(shm_id, NULL, 0);
1043 if (threads == (void *) -1) {
1048 memset(threads, 0, max_jobs * sizeof(struct thread_data));
1049 hash = (void *) threads + max_jobs * sizeof(struct thread_data);
1050 fio_debug_jobp = (void *) hash + file_hash_size;
1051 *fio_debug_jobp = -1;
1052 file_hash_init(hash);
1057 static void usage(const char *name)
1059 printf("%s\n", fio_version_string);
1060 printf("%s [options] [job options] <job file(s)>\n", name);
1061 printf("\t--debug=options\tEnable debug logging\n");
1062 printf("\t--output\tWrite output to file\n");
1063 printf("\t--timeout\tRuntime in seconds\n");
1064 printf("\t--latency-log\tGenerate per-job latency logs\n");
1065 printf("\t--bandwidth-log\tGenerate per-job bandwidth logs\n");
1066 printf("\t--minimal\tMinimal (terse) output\n");
1067 printf("\t--version\tPrint version info and exit\n");
1068 printf("\t--terse-version=x Terse version output format\n");
1069 printf("\t--help\t\tPrint this page\n");
1070 printf("\t--cmdhelp=cmd\tPrint command help, \"all\" for all of"
1072 printf("\t--showcmd\tTurn a job file into command line options\n");
1073 printf("\t--eta=when\tWhen ETA estimate should be printed\n");
1074 printf("\t \tMay be \"always\", \"never\" or \"auto\"\n");
1075 printf("\t--readonly\tTurn on safety read-only checks, preventing"
1077 printf("\t--section=name\tOnly run specified section in job file\n");
1078 printf("\t--alloc-size=kb\tSet smalloc pool to this size in kb"
1080 printf("\t--warnings-fatal Fio parser warnings are fatal\n");
1081 printf("\t--max-jobs\tMaximum number of threads/processes to support\n");
1082 printf("\nFio was written by Jens Axboe <jens.axboe@oracle.com>");
1083 printf("\n Jens Axboe <jaxboe@fusionio.com>\n");
1086 #ifdef FIO_INC_DEBUG
1087 struct debug_level debug_levels[] = {
1088 { .name = "process", .shift = FD_PROCESS, },
1089 { .name = "file", .shift = FD_FILE, },
1090 { .name = "io", .shift = FD_IO, },
1091 { .name = "mem", .shift = FD_MEM, },
1092 { .name = "blktrace", .shift = FD_BLKTRACE },
1093 { .name = "verify", .shift = FD_VERIFY },
1094 { .name = "random", .shift = FD_RANDOM },
1095 { .name = "parse", .shift = FD_PARSE },
1096 { .name = "diskutil", .shift = FD_DISKUTIL },
1097 { .name = "job", .shift = FD_JOB },
1098 { .name = "mutex", .shift = FD_MUTEX },
1099 { .name = "profile", .shift = FD_PROFILE },
1100 { .name = "time", .shift = FD_TIME },
1104 static int set_debug(const char *string)
1106 struct debug_level *dl;
1107 char *p = (char *) string;
1111 if (!strcmp(string, "?") || !strcmp(string, "help")) {
1112 log_info("fio: dumping debug options:");
1113 for (i = 0; debug_levels[i].name; i++) {
1114 dl = &debug_levels[i];
1115 log_info("%s,", dl->name);
1121 while ((opt = strsep(&p, ",")) != NULL) {
1124 if (!strncmp(opt, "all", 3)) {
1125 log_info("fio: set all debug options\n");
1130 for (i = 0; debug_levels[i].name; i++) {
1131 dl = &debug_levels[i];
1132 found = !strncmp(opt, dl->name, strlen(dl->name));
1136 if (dl->shift == FD_JOB) {
1137 opt = strchr(opt, ':');
1139 log_err("fio: missing job number\n");
1143 fio_debug_jobno = atoi(opt);
1144 log_info("fio: set debug jobno %d\n",
1147 log_info("fio: set debug option %s\n", opt);
1148 fio_debug |= (1UL << dl->shift);
1154 log_err("fio: debug mask %s not found\n", opt);
1159 static int set_debug(const char *string)
1161 log_err("fio: debug tracing not included in build\n");
1166 static void fio_options_fill_optstring(void)
1168 char *ostr = cmd_optstr;
1172 while (l_opts[i].name) {
1173 ostr[c++] = l_opts[i].val;
1174 if (l_opts[i].has_arg == required_argument)
1176 else if (l_opts[i].has_arg == optional_argument) {
1185 static int parse_cmd_line(int argc, char *argv[])
1187 struct thread_data *td = NULL;
1188 int c, ini_idx = 0, lidx, ret = 0, do_exit = 0, exit_val = 0;
1189 char *ostr = cmd_optstr;
1191 while ((c = getopt_long_only(argc, argv, ostr, l_opts, &lidx)) != -1) {
1194 smalloc_pool_size = atoi(optarg);
1197 def_thread.o.timeout = atoi(optarg);
1206 f_out = fopen(optarg, "w+");
1208 perror("fopen output");
1220 exit(fio_show_option_help(optarg));
1228 log_info("%s\n", fio_version_string);
1231 terse_version = atoi(optarg);
1232 if (terse_version != 2) {
1233 log_err("fio: bad terse version format\n");
1239 if (!strcmp("always", optarg))
1240 eta_print = FIO_ETA_ALWAYS;
1241 else if (!strcmp("never", optarg))
1242 eta_print = FIO_ETA_NEVER;
1245 if (set_debug(optarg))
1251 if (!strcmp(optarg, "global")) {
1252 log_err("fio: can't use global as only "
1258 new_size = (nr_job_sections + 1) * sizeof(char *);
1259 job_sections = realloc(job_sections, new_size);
1260 job_sections[nr_job_sections] = strdup(optarg);
1265 exec_profile = strdup(optarg);
1267 case FIO_GETOPT_JOB: {
1268 const char *opt = l_opts[lidx].name;
1271 if (!strncmp(opt, "name", 4) && td) {
1272 ret = add_job(td, td->o.name ?: "fio", 0);
1278 int is_section = !strncmp(opt, "name", 4);
1281 if (!is_section || !strncmp(val, "global", 6))
1284 if (is_section && skip_this_section(val))
1287 td = get_new_job(global, &def_thread);
1292 ret = fio_cmd_option_parse(td, opt, val);
1299 max_jobs = atoi(optarg);
1300 if (!max_jobs || max_jobs > REAL_MAX_JOBS) {
1301 log_err("fio: invalid max jobs: %d\n", max_jobs);
1320 return fio_server();
1324 ret = add_job(td, td->o.name ?: "fio", 0);
1327 while (optind < argc) {
1329 ini_file = realloc(ini_file, ini_idx * sizeof(char *));
1330 ini_file[ini_idx - 1] = strdup(argv[optind]);
1337 int parse_options(int argc, char *argv[])
1344 fio_options_fill_optstring();
1345 fio_options_dup_and_init(l_opts);
1347 if (setup_thread_area())
1349 if (fill_def_thread())
1352 job_files = parse_cmd_line(argc, argv);
1354 for (i = 0; i < job_files; i++) {
1355 if (fill_def_thread())
1357 if (parse_jobs_ini(ini_file[i], 0, i))
1363 options_mem_free(&def_thread);
1365 if (!thread_number) {
1373 log_err("No jobs(s) defined\n\n");
1378 if (def_thread.o.gtod_offload) {
1380 fio_gtod_offload = 1;
1381 fio_gtod_cpu = def_thread.o.gtod_cpu;
1384 log_info("%s\n", fio_version_string);