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 1.58";
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;
46 int terse_version = 2;
51 static int write_lat_log;
53 static int prev_group_jobs;
55 unsigned long fio_debug = 0;
56 unsigned int fio_debug_jobno = -1;
57 unsigned int *fio_debug_jobp = NULL;
59 static char cmd_optstr[256];
62 * Command line options. These will contain the above, plus a few
63 * extra that only pertain to fio itself and not jobs.
65 static struct option l_opts[FIO_NR_OPTIONS] = {
67 .name = (char *) "output",
68 .has_arg = required_argument,
72 .name = (char *) "timeout",
73 .has_arg = required_argument,
77 .name = (char *) "latency-log",
78 .has_arg = required_argument,
82 .name = (char *) "bandwidth-log",
83 .has_arg = required_argument,
87 .name = (char *) "minimal",
88 .has_arg = optional_argument,
92 .name = (char *) "version",
93 .has_arg = no_argument,
97 .name = (char *) "help",
98 .has_arg = no_argument,
102 .name = (char *) "cmdhelp",
103 .has_arg = optional_argument,
107 .name = (char *) "showcmd",
108 .has_arg = no_argument,
112 .name = (char *) "readonly",
113 .has_arg = no_argument,
117 .name = (char *) "eta",
118 .has_arg = required_argument,
122 .name = (char *) "debug",
123 .has_arg = required_argument,
127 .name = (char *) "section",
128 .has_arg = required_argument,
132 .name = (char *) "alloc-size",
133 .has_arg = required_argument,
137 .name = (char *) "profile",
138 .has_arg = required_argument,
142 .name = (char *) "warnings-fatal",
143 .has_arg = no_argument,
147 .name = (char *) "max-jobs",
148 .has_arg = required_argument,
152 .name = (char *) "terse-version",
153 .has_arg = required_argument,
172 * Return a free job structure.
174 static struct thread_data *get_new_job(int global, struct thread_data *parent)
176 struct thread_data *td;
180 if (thread_number >= max_jobs) {
181 log_err("error: maximum number of jobs (%d) reached.\n",
186 td = &threads[thread_number++];
189 td->o.uid = td->o.gid = -1U;
191 dup_files(td, parent);
192 options_mem_dupe(td);
194 profile_add_hooks(td);
196 td->thread_number = thread_number;
200 static void put_job(struct thread_data *td)
202 if (td == &def_thread)
208 log_info("fio: %s\n", td->verror);
210 memset(&threads[td->thread_number - 1], 0, sizeof(*td));
214 static int __setup_rate(struct thread_data *td, enum fio_ddir ddir)
216 unsigned int bs = td->o.min_bs[ddir];
217 unsigned long long bytes_per_sec;
219 assert(ddir_rw(ddir));
221 if (td->o.rate[ddir])
222 bytes_per_sec = td->o.rate[ddir];
224 bytes_per_sec = td->o.rate_iops[ddir] * bs;
226 if (!bytes_per_sec) {
227 log_err("rate lower than supported\n");
231 td->rate_nsec_cycle[ddir] = 1000000000ULL / bytes_per_sec;
232 td->rate_pending_usleep[ddir] = 0;
236 static int setup_rate(struct thread_data *td)
240 if (td->o.rate[DDIR_READ] || td->o.rate_iops[DDIR_READ])
241 ret = __setup_rate(td, DDIR_READ);
242 if (td->o.rate[DDIR_WRITE] || td->o.rate_iops[DDIR_WRITE])
243 ret |= __setup_rate(td, DDIR_WRITE);
248 static int fixed_block_size(struct thread_options *o)
250 return o->min_bs[DDIR_READ] == o->max_bs[DDIR_READ] &&
251 o->min_bs[DDIR_WRITE] == o->max_bs[DDIR_WRITE] &&
252 o->min_bs[DDIR_READ] == o->min_bs[DDIR_WRITE];
256 * Lazy way of fixing up options that depend on each other. We could also
257 * define option callback handlers, but this is easier.
259 static int fixup_options(struct thread_data *td)
261 struct thread_options *o = &td->o;
264 #ifndef FIO_HAVE_PSHARED_MUTEX
265 if (!o->use_thread) {
266 log_info("fio: this platform does not support process shared"
267 " mutexes, forcing use of threads. Use the 'thread'"
268 " option to get rid of this warning.\n");
270 ret = warnings_fatal;
274 if (o->write_iolog_file && o->read_iolog_file) {
275 log_err("fio: read iolog overrides write_iolog\n");
276 free(o->write_iolog_file);
277 o->write_iolog_file = NULL;
278 ret = warnings_fatal;
282 * only really works for sequential io for now, and with 1 file
284 if (o->zone_size && td_random(td) && o->open_files == 1)
288 * Reads can do overwrites, we always need to pre-create the file
290 if (td_read(td) || td_rw(td))
293 if (!o->min_bs[DDIR_READ])
294 o->min_bs[DDIR_READ] = o->bs[DDIR_READ];
295 if (!o->max_bs[DDIR_READ])
296 o->max_bs[DDIR_READ] = o->bs[DDIR_READ];
297 if (!o->min_bs[DDIR_WRITE])
298 o->min_bs[DDIR_WRITE] = o->bs[DDIR_WRITE];
299 if (!o->max_bs[DDIR_WRITE])
300 o->max_bs[DDIR_WRITE] = o->bs[DDIR_WRITE];
302 o->rw_min_bs = min(o->min_bs[DDIR_READ], o->min_bs[DDIR_WRITE]);
305 * For random IO, allow blockalign offset other than min_bs.
307 if (!o->ba[DDIR_READ] || !td_random(td))
308 o->ba[DDIR_READ] = o->min_bs[DDIR_READ];
309 if (!o->ba[DDIR_WRITE] || !td_random(td))
310 o->ba[DDIR_WRITE] = o->min_bs[DDIR_WRITE];
312 if ((o->ba[DDIR_READ] != o->min_bs[DDIR_READ] ||
313 o->ba[DDIR_WRITE] != o->min_bs[DDIR_WRITE]) &&
315 log_err("fio: Any use of blockalign= turns off randommap\n");
317 ret = warnings_fatal;
320 if (!o->file_size_high)
321 o->file_size_high = o->file_size_low;
323 if (o->norandommap && o->verify != VERIFY_NONE
324 && !fixed_block_size(o)) {
325 log_err("fio: norandommap given for variable block sizes, "
326 "verify disabled\n");
327 o->verify = VERIFY_NONE;
328 ret = warnings_fatal;
330 if (o->bs_unaligned && (o->odirect || td->io_ops->flags & FIO_RAWIO))
331 log_err("fio: bs_unaligned may not work with raw io\n");
334 * thinktime_spin must be less than thinktime
336 if (o->thinktime_spin > o->thinktime)
337 o->thinktime_spin = o->thinktime;
340 * The low water mark cannot be bigger than the iodepth
342 if (o->iodepth_low > o->iodepth || !o->iodepth_low) {
344 * syslet work around - if the workload is sequential,
345 * we want to let the queue drain all the way down to
346 * avoid seeking between async threads
348 if (!strcmp(td->io_ops->name, "syslet-rw") && !td_random(td))
351 o->iodepth_low = o->iodepth;
355 * If batch number isn't set, default to the same as iodepth
357 if (o->iodepth_batch > o->iodepth || !o->iodepth_batch)
358 o->iodepth_batch = o->iodepth;
360 if (o->nr_files > td->files_index)
361 o->nr_files = td->files_index;
363 if (o->open_files > o->nr_files || !o->open_files)
364 o->open_files = o->nr_files;
366 if (((o->rate[0] + o->rate[1]) && (o->rate_iops[0] + o->rate_iops[1]))||
367 ((o->ratemin[0] + o->ratemin[1]) && (o->rate_iops_min[0] +
368 o->rate_iops_min[1]))) {
369 log_err("fio: rate and rate_iops are mutually exclusive\n");
372 if ((o->rate[0] < o->ratemin[0]) || (o->rate[1] < o->ratemin[1]) ||
373 (o->rate_iops[0] < o->rate_iops_min[0]) ||
374 (o->rate_iops[1] < o->rate_iops_min[1])) {
375 log_err("fio: minimum rate exceeds rate\n");
379 if (!o->timeout && o->time_based) {
380 log_err("fio: time_based requires a runtime/timeout setting\n");
382 ret = warnings_fatal;
385 if (o->fill_device && !o->size)
388 if (o->verify != VERIFY_NONE) {
389 if (td_write(td) && o->do_verify && o->numjobs > 1) {
390 log_info("Multiple writers may overwrite blocks that "
391 "belong to other jobs. This can cause "
392 "verification failures.\n");
393 ret = warnings_fatal;
396 o->refill_buffers = 1;
397 if (o->max_bs[DDIR_WRITE] != o->min_bs[DDIR_WRITE] &&
399 o->verify_interval = o->min_bs[DDIR_WRITE];
403 o->invalidate_cache = 0;
404 if (td->io_ops->flags & FIO_PIPEIO) {
405 log_info("fio: cannot pre-read files with an IO engine"
406 " that isn't seekable. Pre-read disabled.\n");
407 ret = warnings_fatal;
411 #ifndef FIO_HAVE_FDATASYNC
412 if (o->fdatasync_blocks) {
413 log_info("fio: this platform does not support fdatasync()"
414 " falling back to using fsync(). Use the 'fsync'"
415 " option instead of 'fdatasync' to get rid of"
417 o->fsync_blocks = o->fdatasync_blocks;
418 o->fdatasync_blocks = 0;
419 ret = warnings_fatal;
427 * This function leaks the buffer
429 static char *to_kmg(unsigned int val)
431 char *buf = malloc(32);
432 char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 };
443 snprintf(buf, 31, "%u%c", val, *p);
447 /* External engines are specified by "external:name.o") */
448 static const char *get_engine_name(const char *str)
450 char *p = strstr(str, ":");
456 strip_blank_front(&p);
461 static int exists_and_not_file(const char *filename)
465 if (lstat(filename, &sb) == -1)
468 /* \\.\ is the device namespace in Windows, where every file
469 * is a device node */
470 if (S_ISREG(sb.st_mode) && strncmp(filename, "\\\\.\\", 4) != 0)
476 static void td_fill_rand_seeds_os(struct thread_data *td)
478 os_random_seed(td->rand_seeds[0], &td->bsrange_state);
479 os_random_seed(td->rand_seeds[1], &td->verify_state);
480 os_random_seed(td->rand_seeds[2], &td->rwmix_state);
482 if (td->o.file_service_type == FIO_FSERVICE_RANDOM)
483 os_random_seed(td->rand_seeds[3], &td->next_file_state);
485 os_random_seed(td->rand_seeds[5], &td->file_size_state);
486 os_random_seed(td->rand_seeds[6], &td->trim_state);
491 if (td->o.rand_repeatable)
492 td->rand_seeds[4] = FIO_RANDSEED * td->thread_number;
494 os_random_seed(td->rand_seeds[4], &td->random_state);
497 static void td_fill_rand_seeds_internal(struct thread_data *td)
499 init_rand_seed(&td->__bsrange_state, td->rand_seeds[0]);
500 init_rand_seed(&td->__verify_state, td->rand_seeds[1]);
501 init_rand_seed(&td->__rwmix_state, td->rand_seeds[2]);
503 if (td->o.file_service_type == FIO_FSERVICE_RANDOM)
504 init_rand_seed(&td->__next_file_state, td->rand_seeds[3]);
506 init_rand_seed(&td->__file_size_state, td->rand_seeds[5]);
507 init_rand_seed(&td->__trim_state, td->rand_seeds[6]);
512 if (td->o.rand_repeatable)
513 td->rand_seeds[4] = FIO_RANDSEED * td->thread_number;
515 init_rand_seed(&td->__random_state, td->rand_seeds[4]);
518 void td_fill_rand_seeds(struct thread_data *td)
520 if (td->o.use_os_rand)
521 td_fill_rand_seeds_os(td);
523 td_fill_rand_seeds_internal(td);
525 init_rand_seed(&td->buf_state, td->rand_seeds[7]);
529 * Initialize the various random states we need (random io, block size ranges,
530 * read/write mix, etc).
532 static int init_random_state(struct thread_data *td)
536 fd = open("/dev/urandom", O_RDONLY);
538 td_verror(td, errno, "open");
542 if (read(fd, td->rand_seeds, sizeof(td->rand_seeds)) <
543 (int) sizeof(td->rand_seeds)) {
544 td_verror(td, EIO, "read");
550 td_fill_rand_seeds(td);
555 * Adds a job to the list of things todo. Sanitizes the various options
556 * to make sure we don't have conflicts, and initializes various
559 static int add_job(struct thread_data *td, const char *jobname, int job_add_num)
561 const char *ddir_str[] = { NULL, "read", "write", "rw", NULL,
562 "randread", "randwrite", "randrw" };
565 char fname[PATH_MAX];
566 int numjobs, file_alloced;
569 * the def_thread is just for options, it's not a real job
571 if (td == &def_thread)
575 * if we are just dumping the output command line, don't add the job
582 if (profile_td_init(td))
585 engine = get_engine_name(td->o.ioengine);
586 td->io_ops = load_ioengine(td, engine);
588 log_err("fio: failed to load engine %s\n", engine);
592 if (td->o.use_thread)
598 td->io_ops->flags |= FIO_RAWIO;
601 if (!td->o.filename && !td->files_index && !td->o.read_iolog_file) {
604 if (td->o.nr_files == 1 && exists_and_not_file(jobname))
605 add_file(td, jobname);
607 for (i = 0; i < td->o.nr_files; i++) {
608 sprintf(fname, "%s.%d.%d", jobname,
609 td->thread_number, i);
615 if (fixup_options(td))
618 if (td->io_ops->flags & FIO_DISKLESSIO) {
621 for_each_file(td, f, i)
622 f->real_file_size = -1ULL;
625 td->mutex = fio_mutex_init(0);
627 td->ts.clat_percentiles = td->o.clat_percentiles;
628 if (td->o.overwrite_plist)
629 td->ts.percentile_list = td->o.percentile_list;
631 td->ts.percentile_list = NULL;
633 td->ts.clat_stat[0].min_val = td->ts.clat_stat[1].min_val = ULONG_MAX;
634 td->ts.slat_stat[0].min_val = td->ts.slat_stat[1].min_val = ULONG_MAX;
635 td->ts.lat_stat[0].min_val = td->ts.lat_stat[1].min_val = ULONG_MAX;
636 td->ts.bw_stat[0].min_val = td->ts.bw_stat[1].min_val = ULONG_MAX;
637 td->ddir_seq_nr = td->o.ddir_seq_nr;
639 if ((td->o.stonewall || td->o.new_group) && prev_group_jobs) {
644 td->groupid = groupid;
647 if (init_random_state(td))
653 if (td->o.write_lat_log) {
654 setup_log(&td->ts.lat_log);
655 setup_log(&td->ts.slat_log);
656 setup_log(&td->ts.clat_log);
658 if (td->o.write_bw_log)
659 setup_log(&td->ts.bw_log);
662 td->o.name = strdup(jobname);
666 if (!strcmp(td->io_ops->name, "cpuio")) {
667 log_info("%s: ioengine=cpu, cpuload=%u,"
668 " cpucycle=%u\n", td->o.name,
672 char *c1, *c2, *c3, *c4;
674 c1 = to_kmg(td->o.min_bs[DDIR_READ]);
675 c2 = to_kmg(td->o.max_bs[DDIR_READ]);
676 c3 = to_kmg(td->o.min_bs[DDIR_WRITE]);
677 c4 = to_kmg(td->o.max_bs[DDIR_WRITE]);
679 log_info("%s: (g=%d): rw=%s, bs=%s-%s/%s-%s,"
680 " ioengine=%s, iodepth=%u\n",
681 td->o.name, td->groupid,
682 ddir_str[td->o.td_ddir],
692 } else if (job_add_num == 1)
697 * recurse add identical jobs, clear numjobs and stonewall options
698 * as they don't apply to sub-jobs
700 numjobs = td->o.numjobs;
702 struct thread_data *td_new = get_new_job(0, td);
707 td_new->o.numjobs = 1;
708 td_new->o.stonewall = 0;
709 td_new->o.new_group = 0;
712 td_new->o.filename = NULL;
713 td_new->files_index = 0;
714 td_new->files_size = 0;
715 td_new->files = NULL;
718 job_add_num = numjobs - 1;
720 if (add_job(td_new, jobname, job_add_num))
731 * Parse as if 'o' was a command line
733 void add_job_opts(const char **o)
735 struct thread_data *td, *td_parent;
736 int i, in_global = 1;
740 td_parent = td = NULL;
742 if (!strncmp(o[i], "name", 4)) {
745 add_job(td, jobname, 0);
747 sprintf(jobname, "%s", o[i] + 5);
749 if (in_global && !td_parent)
750 td_parent = get_new_job(1, &def_thread);
751 else if (!in_global && !td) {
753 td_parent = &def_thread;
754 td = get_new_job(0, td_parent);
757 fio_options_parse(td_parent, (char **) &o[i], 1);
759 fio_options_parse(td, (char **) &o[i], 1);
764 add_job(td, jobname, 0);
767 static int skip_this_section(const char *name)
771 if (!nr_job_sections)
773 if (!strncmp(name, "global", 6))
776 for (i = 0; i < nr_job_sections; i++)
777 if (!strcmp(job_sections[i], name))
783 static int is_empty_or_comment(char *line)
787 for (i = 0; i < strlen(line); i++) {
792 if (!isspace((int) line[i]) && !iscntrl((int) line[i]))
800 * This is our [ini] type file parser.
802 static int parse_jobs_ini(char *file, int stonewall_flag)
805 struct thread_data *td;
809 int ret = 0, stonewall;
814 int i, alloc_opts, num_opts;
816 if (!strcmp(file, "-"))
819 f = fopen(file, "r");
822 perror("fopen job file");
826 string = malloc(4096);
829 * it's really 256 + small bit, 280 should suffice
832 memset(name, 0, 280);
835 opts = malloc(sizeof(char *) * alloc_opts);
838 stonewall = stonewall_flag;
841 * if skip_fgets is set, we already have loaded a line we
845 p = fgets(string, 4095, f);
851 strip_blank_front(&p);
854 if (is_empty_or_comment(p))
856 if (sscanf(p, "[%255[^\n]]", name) != 1) {
859 log_err("fio: option <%s> outside of [] job section\n",
864 name[strlen(name) - 1] = '\0';
866 if (skip_this_section(name)) {
872 global = !strncmp(name, "global", 6);
878 log_info("--name=%s ", name);
882 td = get_new_job(global, &def_thread);
889 * Seperate multiple job files by a stonewall
891 if (!global && stonewall) {
892 td->o.stonewall = stonewall;
897 memset(opts, 0, alloc_opts * sizeof(char *));
899 while ((p = fgets(string, 4096, f)) != NULL) {
900 if (is_empty_or_comment(p))
903 strip_blank_front(&p);
906 * new section, break out and make sure we don't
907 * fgets() a new line at the top.
916 if (num_opts == alloc_opts) {
919 alloc_opts * sizeof(char *));
922 opts[num_opts] = strdup(p);
926 ret = fio_options_parse(td, opts, num_opts);
929 for (i = 0; i < num_opts; i++)
930 log_info("--%s ", opts[i]);
932 ret = add_job(td, name, 0);
934 log_err("fio: job %s dropped\n", name);
938 for (i = 0; i < num_opts; i++)
946 for (i = 0; i < num_opts; i++)
957 static int fill_def_thread(void)
959 memset(&def_thread, 0, sizeof(def_thread));
961 fio_getaffinity(getpid(), &def_thread.o.cpumask);
964 * fill default options
966 fio_fill_default_options(&def_thread);
970 static void free_shm(void)
972 struct shmid_ds sbuf;
979 fio_debug_jobp = NULL;
981 shmctl(shm_id, IPC_RMID, &sbuf);
988 * The thread area is shared between the main process and the job
989 * threads/processes. So setup a shared memory segment that will hold
990 * all the job info. We use the end of the region for keeping track of
991 * open files across jobs, for file sharing.
993 static int setup_thread_area(void)
998 * 1024 is too much on some machines, scale max_jobs if
999 * we get a failure that looks like too large a shm segment
1002 size_t size = max_jobs * sizeof(struct thread_data);
1004 size += file_hash_size;
1005 size += sizeof(unsigned int);
1007 shm_id = shmget(0, size, IPC_CREAT | 0600);
1010 if (errno != EINVAL) {
1021 threads = shmat(shm_id, NULL, 0);
1022 if (threads == (void *) -1) {
1027 memset(threads, 0, max_jobs * sizeof(struct thread_data));
1028 hash = (void *) threads + max_jobs * sizeof(struct thread_data);
1029 fio_debug_jobp = (void *) hash + file_hash_size;
1030 *fio_debug_jobp = -1;
1031 file_hash_init(hash);
1036 static void usage(const char *name)
1038 printf("%s\n", fio_version_string);
1039 printf("%s [options] [job options] <job file(s)>\n", name);
1040 printf("\t--debug=options\tEnable debug logging\n");
1041 printf("\t--output\tWrite output to file\n");
1042 printf("\t--timeout\tRuntime in seconds\n");
1043 printf("\t--latency-log\tGenerate per-job latency logs\n");
1044 printf("\t--bandwidth-log\tGenerate per-job bandwidth logs\n");
1045 printf("\t--minimal\tMinimal (terse) output\n");
1046 printf("\t--version\tPrint version info and exit\n");
1047 printf("\t--terse-version=x Terse version output format\n");
1048 printf("\t--help\t\tPrint this page\n");
1049 printf("\t--cmdhelp=cmd\tPrint command help, \"all\" for all of"
1051 printf("\t--showcmd\tTurn a job file into command line options\n");
1052 printf("\t--eta=when\tWhen ETA estimate should be printed\n");
1053 printf("\t \tMay be \"always\", \"never\" or \"auto\"\n");
1054 printf("\t--readonly\tTurn on safety read-only checks, preventing"
1056 printf("\t--section=name\tOnly run specified section in job file\n");
1057 printf("\t--alloc-size=kb\tSet smalloc pool to this size in kb"
1059 printf("\t--warnings-fatal Fio parser warnings are fatal\n");
1060 printf("\t--max-jobs\tMaximum number of threads/processes to support\n");
1061 printf("\nFio was written by Jens Axboe <jens.axboe@oracle.com>");
1062 printf("\n Jens Axboe <jaxboe@fusionio.com>\n");
1065 #ifdef FIO_INC_DEBUG
1066 struct debug_level debug_levels[] = {
1067 { .name = "process", .shift = FD_PROCESS, },
1068 { .name = "file", .shift = FD_FILE, },
1069 { .name = "io", .shift = FD_IO, },
1070 { .name = "mem", .shift = FD_MEM, },
1071 { .name = "blktrace", .shift = FD_BLKTRACE },
1072 { .name = "verify", .shift = FD_VERIFY },
1073 { .name = "random", .shift = FD_RANDOM },
1074 { .name = "parse", .shift = FD_PARSE },
1075 { .name = "diskutil", .shift = FD_DISKUTIL },
1076 { .name = "job", .shift = FD_JOB },
1077 { .name = "mutex", .shift = FD_MUTEX },
1078 { .name = "profile", .shift = FD_PROFILE },
1079 { .name = "time", .shift = FD_TIME },
1083 static int set_debug(const char *string)
1085 struct debug_level *dl;
1086 char *p = (char *) string;
1090 if (!strcmp(string, "?") || !strcmp(string, "help")) {
1091 log_info("fio: dumping debug options:");
1092 for (i = 0; debug_levels[i].name; i++) {
1093 dl = &debug_levels[i];
1094 log_info("%s,", dl->name);
1100 while ((opt = strsep(&p, ",")) != NULL) {
1103 if (!strncmp(opt, "all", 3)) {
1104 log_info("fio: set all debug options\n");
1109 for (i = 0; debug_levels[i].name; i++) {
1110 dl = &debug_levels[i];
1111 found = !strncmp(opt, dl->name, strlen(dl->name));
1115 if (dl->shift == FD_JOB) {
1116 opt = strchr(opt, ':');
1118 log_err("fio: missing job number\n");
1122 fio_debug_jobno = atoi(opt);
1123 log_info("fio: set debug jobno %d\n",
1126 log_info("fio: set debug option %s\n", opt);
1127 fio_debug |= (1UL << dl->shift);
1133 log_err("fio: debug mask %s not found\n", opt);
1138 static int set_debug(const char *string)
1140 log_err("fio: debug tracing not included in build\n");
1145 static void fio_options_fill_optstring(void)
1147 char *ostr = cmd_optstr;
1151 while (l_opts[i].name) {
1152 ostr[c++] = l_opts[i].val;
1153 if (l_opts[i].has_arg == required_argument)
1155 else if (l_opts[i].has_arg == optional_argument) {
1164 static int parse_cmd_line(int argc, char *argv[])
1166 struct thread_data *td = NULL;
1167 int c, ini_idx = 0, lidx, ret = 0, do_exit = 0, exit_val = 0;
1168 char *ostr = cmd_optstr;
1170 while ((c = getopt_long_only(argc, argv, ostr, l_opts, &lidx)) != -1) {
1173 smalloc_pool_size = atoi(optarg);
1176 def_thread.o.timeout = atoi(optarg);
1185 f_out = fopen(optarg, "w+");
1187 perror("fopen output");
1199 exit(fio_show_option_help(optarg));
1207 log_info("%s\n", fio_version_string);
1210 terse_version = atoi(optarg);
1211 if (terse_version != 2) {
1212 log_err("fio: bad terse version format\n");
1218 if (!strcmp("always", optarg))
1219 eta_print = FIO_ETA_ALWAYS;
1220 else if (!strcmp("never", optarg))
1221 eta_print = FIO_ETA_NEVER;
1224 if (set_debug(optarg))
1230 if (!strcmp(optarg, "global")) {
1231 log_err("fio: can't use global as only "
1237 new_size = (nr_job_sections + 1) * sizeof(char *);
1238 job_sections = realloc(job_sections, new_size);
1239 job_sections[nr_job_sections] = strdup(optarg);
1244 exec_profile = strdup(optarg);
1246 case FIO_GETOPT_JOB: {
1247 const char *opt = l_opts[lidx].name;
1250 if (!strncmp(opt, "name", 4) && td) {
1251 ret = add_job(td, td->o.name ?: "fio", 0);
1257 int is_section = !strncmp(opt, "name", 4);
1260 if (!is_section || !strncmp(val, "global", 6))
1263 if (is_section && skip_this_section(val))
1266 td = get_new_job(global, &def_thread);
1271 ret = fio_cmd_option_parse(td, opt, val);
1278 max_jobs = atoi(optarg);
1279 if (!max_jobs || max_jobs > REAL_MAX_JOBS) {
1280 log_err("fio: invalid max jobs: %d\n", max_jobs);
1297 ret = add_job(td, td->o.name ?: "fio", 0);
1300 while (optind < argc) {
1302 ini_file = realloc(ini_file, ini_idx * sizeof(char *));
1303 ini_file[ini_idx - 1] = strdup(argv[optind]);
1310 int parse_options(int argc, char *argv[])
1317 fio_options_fill_optstring();
1318 fio_options_dup_and_init(l_opts);
1320 if (setup_thread_area())
1322 if (fill_def_thread())
1325 job_files = parse_cmd_line(argc, argv);
1327 for (i = 0; i < job_files; i++) {
1328 if (fill_def_thread())
1330 if (parse_jobs_ini(ini_file[i], i))
1336 options_mem_free(&def_thread);
1338 if (!thread_number) {
1344 log_err("No jobs(s) defined\n\n");
1349 if (def_thread.o.gtod_offload) {
1351 fio_gtod_offload = 1;
1352 fio_gtod_cpu = def_thread.o.gtod_cpu;
1355 log_info("%s\n", fio_version_string);