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;
55 static int write_lat_log;
57 static int prev_group_jobs;
59 unsigned long fio_debug = 0;
60 unsigned int fio_debug_jobno = -1;
61 unsigned int *fio_debug_jobp = NULL;
63 static char cmd_optstr[256];
66 * Command line options. These will contain the above, plus a few
67 * extra that only pertain to fio itself and not jobs.
69 static struct option l_opts[FIO_NR_OPTIONS] = {
71 .name = (char *) "output",
72 .has_arg = required_argument,
76 .name = (char *) "timeout",
77 .has_arg = required_argument,
81 .name = (char *) "latency-log",
82 .has_arg = required_argument,
86 .name = (char *) "bandwidth-log",
87 .has_arg = required_argument,
91 .name = (char *) "minimal",
92 .has_arg = optional_argument,
96 .name = (char *) "version",
97 .has_arg = no_argument,
101 .name = (char *) "help",
102 .has_arg = no_argument,
106 .name = (char *) "cmdhelp",
107 .has_arg = optional_argument,
111 .name = (char *) "showcmd",
112 .has_arg = no_argument,
116 .name = (char *) "readonly",
117 .has_arg = no_argument,
121 .name = (char *) "eta",
122 .has_arg = required_argument,
126 .name = (char *) "debug",
127 .has_arg = required_argument,
131 .name = (char *) "section",
132 .has_arg = required_argument,
136 .name = (char *) "alloc-size",
137 .has_arg = required_argument,
141 .name = (char *) "profile",
142 .has_arg = required_argument,
146 .name = (char *) "warnings-fatal",
147 .has_arg = no_argument,
151 .name = (char *) "max-jobs",
152 .has_arg = required_argument,
156 .name = (char *) "terse-version",
157 .has_arg = required_argument,
161 .name = (char *) "server",
162 .has_arg = no_argument,
165 { .name = (char *) "daemonize",
166 .has_arg = no_argument,
170 .name = (char *) "net-port",
171 .has_arg = required_argument,
175 .name = (char *) "client",
176 .has_arg = required_argument,
184 static void free_shm(void)
186 struct shmid_ds sbuf;
193 fio_debug_jobp = NULL;
195 shmctl(shm_id, IPC_RMID, &sbuf);
202 * The thread area is shared between the main process and the job
203 * threads/processes. So setup a shared memory segment that will hold
204 * all the job info. We use the end of the region for keeping track of
205 * open files across jobs, for file sharing.
207 static int setup_thread_area(void)
215 * 1024 is too much on some machines, scale max_jobs if
216 * we get a failure that looks like too large a shm segment
219 size_t size = max_jobs * sizeof(struct thread_data);
221 size += file_hash_size;
222 size += sizeof(unsigned int);
224 shm_id = shmget(0, size, IPC_CREAT | 0600);
227 if (errno != EINVAL) {
238 threads = shmat(shm_id, NULL, 0);
239 if (threads == (void *) -1) {
244 memset(threads, 0, max_jobs * sizeof(struct thread_data));
245 hash = (void *) threads + max_jobs * sizeof(struct thread_data);
246 fio_debug_jobp = (void *) hash + file_hash_size;
247 *fio_debug_jobp = -1;
248 file_hash_init(hash);
253 * Return a free job structure.
255 static struct thread_data *get_new_job(int global, struct thread_data *parent)
257 struct thread_data *td;
261 if (setup_thread_area()) {
262 log_err("error: failed to setup shm segment\n");
265 if (thread_number >= max_jobs) {
266 log_err("error: maximum number of jobs (%d) reached.\n",
271 td = &threads[thread_number++];
274 td->o.uid = td->o.gid = -1U;
276 dup_files(td, parent);
277 options_mem_dupe(td);
279 profile_add_hooks(td);
281 td->thread_number = thread_number;
285 static void put_job(struct thread_data *td)
287 if (td == &def_thread)
293 log_info("fio: %s\n", td->verror);
295 memset(&threads[td->thread_number - 1], 0, sizeof(*td));
299 static int __setup_rate(struct thread_data *td, enum fio_ddir ddir)
301 unsigned int bs = td->o.min_bs[ddir];
302 unsigned long long bytes_per_sec;
304 assert(ddir_rw(ddir));
306 if (td->o.rate[ddir])
307 bytes_per_sec = td->o.rate[ddir];
309 bytes_per_sec = td->o.rate_iops[ddir] * bs;
311 if (!bytes_per_sec) {
312 log_err("rate lower than supported\n");
316 td->rate_nsec_cycle[ddir] = 1000000000ULL / bytes_per_sec;
317 td->rate_pending_usleep[ddir] = 0;
321 static int setup_rate(struct thread_data *td)
325 if (td->o.rate[DDIR_READ] || td->o.rate_iops[DDIR_READ])
326 ret = __setup_rate(td, DDIR_READ);
327 if (td->o.rate[DDIR_WRITE] || td->o.rate_iops[DDIR_WRITE])
328 ret |= __setup_rate(td, DDIR_WRITE);
333 static int fixed_block_size(struct thread_options *o)
335 return o->min_bs[DDIR_READ] == o->max_bs[DDIR_READ] &&
336 o->min_bs[DDIR_WRITE] == o->max_bs[DDIR_WRITE] &&
337 o->min_bs[DDIR_READ] == o->min_bs[DDIR_WRITE];
341 * Lazy way of fixing up options that depend on each other. We could also
342 * define option callback handlers, but this is easier.
344 static int fixup_options(struct thread_data *td)
346 struct thread_options *o = &td->o;
349 #ifndef FIO_HAVE_PSHARED_MUTEX
350 if (!o->use_thread) {
351 log_info("fio: this platform does not support process shared"
352 " mutexes, forcing use of threads. Use the 'thread'"
353 " option to get rid of this warning.\n");
355 ret = warnings_fatal;
359 if (o->write_iolog_file && o->read_iolog_file) {
360 log_err("fio: read iolog overrides write_iolog\n");
361 free(o->write_iolog_file);
362 o->write_iolog_file = NULL;
363 ret = warnings_fatal;
367 * only really works for sequential io for now, and with 1 file
369 if (o->zone_size && td_random(td) && o->open_files == 1)
373 * Reads can do overwrites, we always need to pre-create the file
375 if (td_read(td) || td_rw(td))
378 if (!o->min_bs[DDIR_READ])
379 o->min_bs[DDIR_READ] = o->bs[DDIR_READ];
380 if (!o->max_bs[DDIR_READ])
381 o->max_bs[DDIR_READ] = o->bs[DDIR_READ];
382 if (!o->min_bs[DDIR_WRITE])
383 o->min_bs[DDIR_WRITE] = o->bs[DDIR_WRITE];
384 if (!o->max_bs[DDIR_WRITE])
385 o->max_bs[DDIR_WRITE] = o->bs[DDIR_WRITE];
387 o->rw_min_bs = min(o->min_bs[DDIR_READ], o->min_bs[DDIR_WRITE]);
390 * For random IO, allow blockalign offset other than min_bs.
392 if (!o->ba[DDIR_READ] || !td_random(td))
393 o->ba[DDIR_READ] = o->min_bs[DDIR_READ];
394 if (!o->ba[DDIR_WRITE] || !td_random(td))
395 o->ba[DDIR_WRITE] = o->min_bs[DDIR_WRITE];
397 if ((o->ba[DDIR_READ] != o->min_bs[DDIR_READ] ||
398 o->ba[DDIR_WRITE] != o->min_bs[DDIR_WRITE]) &&
400 log_err("fio: Any use of blockalign= turns off randommap\n");
402 ret = warnings_fatal;
405 if (!o->file_size_high)
406 o->file_size_high = o->file_size_low;
408 if (o->norandommap && o->verify != VERIFY_NONE
409 && !fixed_block_size(o)) {
410 log_err("fio: norandommap given for variable block sizes, "
411 "verify disabled\n");
412 o->verify = VERIFY_NONE;
413 ret = warnings_fatal;
415 if (o->bs_unaligned && (o->odirect || td->io_ops->flags & FIO_RAWIO))
416 log_err("fio: bs_unaligned may not work with raw io\n");
419 * thinktime_spin must be less than thinktime
421 if (o->thinktime_spin > o->thinktime)
422 o->thinktime_spin = o->thinktime;
425 * The low water mark cannot be bigger than the iodepth
427 if (o->iodepth_low > o->iodepth || !o->iodepth_low) {
429 * syslet work around - if the workload is sequential,
430 * we want to let the queue drain all the way down to
431 * avoid seeking between async threads
433 if (!strcmp(td->io_ops->name, "syslet-rw") && !td_random(td))
436 o->iodepth_low = o->iodepth;
440 * If batch number isn't set, default to the same as iodepth
442 if (o->iodepth_batch > o->iodepth || !o->iodepth_batch)
443 o->iodepth_batch = o->iodepth;
445 if (o->nr_files > td->files_index)
446 o->nr_files = td->files_index;
448 if (o->open_files > o->nr_files || !o->open_files)
449 o->open_files = o->nr_files;
451 if (((o->rate[0] + o->rate[1]) && (o->rate_iops[0] + o->rate_iops[1]))||
452 ((o->ratemin[0] + o->ratemin[1]) && (o->rate_iops_min[0] +
453 o->rate_iops_min[1]))) {
454 log_err("fio: rate and rate_iops are mutually exclusive\n");
457 if ((o->rate[0] < o->ratemin[0]) || (o->rate[1] < o->ratemin[1]) ||
458 (o->rate_iops[0] < o->rate_iops_min[0]) ||
459 (o->rate_iops[1] < o->rate_iops_min[1])) {
460 log_err("fio: minimum rate exceeds rate\n");
464 if (!o->timeout && o->time_based) {
465 log_err("fio: time_based requires a runtime/timeout setting\n");
467 ret = warnings_fatal;
470 if (o->fill_device && !o->size)
473 if (o->verify != VERIFY_NONE) {
474 if (td_write(td) && o->do_verify && o->numjobs > 1) {
475 log_info("Multiple writers may overwrite blocks that "
476 "belong to other jobs. This can cause "
477 "verification failures.\n");
478 ret = warnings_fatal;
481 o->refill_buffers = 1;
482 if (o->max_bs[DDIR_WRITE] != o->min_bs[DDIR_WRITE] &&
484 o->verify_interval = o->min_bs[DDIR_WRITE];
488 o->invalidate_cache = 0;
489 if (td->io_ops->flags & FIO_PIPEIO) {
490 log_info("fio: cannot pre-read files with an IO engine"
491 " that isn't seekable. Pre-read disabled.\n");
492 ret = warnings_fatal;
496 #ifndef FIO_HAVE_FDATASYNC
497 if (o->fdatasync_blocks) {
498 log_info("fio: this platform does not support fdatasync()"
499 " falling back to using fsync(). Use the 'fsync'"
500 " option instead of 'fdatasync' to get rid of"
502 o->fsync_blocks = o->fdatasync_blocks;
503 o->fdatasync_blocks = 0;
504 ret = warnings_fatal;
512 * This function leaks the buffer
514 static char *to_kmg(unsigned int val)
516 char *buf = malloc(32);
517 char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 };
528 snprintf(buf, 31, "%u%c", val, *p);
532 /* External engines are specified by "external:name.o") */
533 static const char *get_engine_name(const char *str)
535 char *p = strstr(str, ":");
541 strip_blank_front(&p);
546 static int exists_and_not_file(const char *filename)
550 if (lstat(filename, &sb) == -1)
553 /* \\.\ is the device namespace in Windows, where every file
554 * is a device node */
555 if (S_ISREG(sb.st_mode) && strncmp(filename, "\\\\.\\", 4) != 0)
561 static void td_fill_rand_seeds_os(struct thread_data *td)
563 os_random_seed(td->rand_seeds[0], &td->bsrange_state);
564 os_random_seed(td->rand_seeds[1], &td->verify_state);
565 os_random_seed(td->rand_seeds[2], &td->rwmix_state);
567 if (td->o.file_service_type == FIO_FSERVICE_RANDOM)
568 os_random_seed(td->rand_seeds[3], &td->next_file_state);
570 os_random_seed(td->rand_seeds[5], &td->file_size_state);
571 os_random_seed(td->rand_seeds[6], &td->trim_state);
576 if (td->o.rand_repeatable)
577 td->rand_seeds[4] = FIO_RANDSEED * td->thread_number;
579 os_random_seed(td->rand_seeds[4], &td->random_state);
582 static void td_fill_rand_seeds_internal(struct thread_data *td)
584 init_rand_seed(&td->__bsrange_state, td->rand_seeds[0]);
585 init_rand_seed(&td->__verify_state, td->rand_seeds[1]);
586 init_rand_seed(&td->__rwmix_state, td->rand_seeds[2]);
588 if (td->o.file_service_type == FIO_FSERVICE_RANDOM)
589 init_rand_seed(&td->__next_file_state, td->rand_seeds[3]);
591 init_rand_seed(&td->__file_size_state, td->rand_seeds[5]);
592 init_rand_seed(&td->__trim_state, td->rand_seeds[6]);
597 if (td->o.rand_repeatable)
598 td->rand_seeds[4] = FIO_RANDSEED * td->thread_number;
600 init_rand_seed(&td->__random_state, td->rand_seeds[4]);
603 void td_fill_rand_seeds(struct thread_data *td)
605 if (td->o.use_os_rand)
606 td_fill_rand_seeds_os(td);
608 td_fill_rand_seeds_internal(td);
610 init_rand_seed(&td->buf_state, td->rand_seeds[7]);
614 * Initialize the various random states we need (random io, block size ranges,
615 * read/write mix, etc).
617 static int init_random_state(struct thread_data *td)
621 fd = open("/dev/urandom", O_RDONLY);
623 td_verror(td, errno, "open");
627 if (read(fd, td->rand_seeds, sizeof(td->rand_seeds)) <
628 (int) sizeof(td->rand_seeds)) {
629 td_verror(td, EIO, "read");
635 td_fill_rand_seeds(td);
640 * Adds a job to the list of things todo. Sanitizes the various options
641 * to make sure we don't have conflicts, and initializes various
644 static int add_job(struct thread_data *td, const char *jobname, int job_add_num)
646 const char *ddir_str[] = { NULL, "read", "write", "rw", NULL,
647 "randread", "randwrite", "randrw" };
650 char fname[PATH_MAX];
651 int numjobs, file_alloced;
654 * the def_thread is just for options, it's not a real job
656 if (td == &def_thread)
660 * if we are just dumping the output command line, don't add the job
667 if (profile_td_init(td))
670 engine = get_engine_name(td->o.ioengine);
671 td->io_ops = load_ioengine(td, engine);
673 log_err("fio: failed to load engine %s\n", engine);
677 if (td->o.use_thread)
683 td->io_ops->flags |= FIO_RAWIO;
686 if (!td->o.filename && !td->files_index && !td->o.read_iolog_file) {
689 if (td->o.nr_files == 1 && exists_and_not_file(jobname))
690 add_file(td, jobname);
692 for (i = 0; i < td->o.nr_files; i++) {
693 sprintf(fname, "%s.%d.%d", jobname,
694 td->thread_number, i);
700 if (fixup_options(td))
703 if (td->io_ops->flags & FIO_DISKLESSIO) {
706 for_each_file(td, f, i)
707 f->real_file_size = -1ULL;
710 td->mutex = fio_mutex_init(0);
712 td->ts.clat_percentiles = td->o.clat_percentiles;
713 if (td->o.overwrite_plist)
714 td->ts.percentile_list = td->o.percentile_list;
716 td->ts.percentile_list = NULL;
718 td->ts.clat_stat[0].min_val = td->ts.clat_stat[1].min_val = ULONG_MAX;
719 td->ts.slat_stat[0].min_val = td->ts.slat_stat[1].min_val = ULONG_MAX;
720 td->ts.lat_stat[0].min_val = td->ts.lat_stat[1].min_val = ULONG_MAX;
721 td->ts.bw_stat[0].min_val = td->ts.bw_stat[1].min_val = ULONG_MAX;
722 td->ddir_seq_nr = td->o.ddir_seq_nr;
724 if ((td->o.stonewall || td->o.new_group) && prev_group_jobs) {
729 td->groupid = groupid;
732 if (init_random_state(td))
738 if (td->o.write_lat_log) {
739 setup_log(&td->lat_log);
740 setup_log(&td->slat_log);
741 setup_log(&td->clat_log);
743 if (td->o.write_bw_log)
744 setup_log(&td->bw_log);
747 td->o.name = strdup(jobname);
751 if (!strcmp(td->io_ops->name, "cpuio")) {
752 log_info("%s: ioengine=cpu, cpuload=%u,"
753 " cpucycle=%u\n", td->o.name,
757 char *c1, *c2, *c3, *c4;
759 c1 = to_kmg(td->o.min_bs[DDIR_READ]);
760 c2 = to_kmg(td->o.max_bs[DDIR_READ]);
761 c3 = to_kmg(td->o.min_bs[DDIR_WRITE]);
762 c4 = to_kmg(td->o.max_bs[DDIR_WRITE]);
764 log_info("%s: (g=%d): rw=%s, bs=%s-%s/%s-%s,"
765 " ioengine=%s, iodepth=%u\n",
766 td->o.name, td->groupid,
767 ddir_str[td->o.td_ddir],
777 } else if (job_add_num == 1)
782 * recurse add identical jobs, clear numjobs and stonewall options
783 * as they don't apply to sub-jobs
785 numjobs = td->o.numjobs;
787 struct thread_data *td_new = get_new_job(0, td);
792 td_new->o.numjobs = 1;
793 td_new->o.stonewall = 0;
794 td_new->o.new_group = 0;
797 td_new->o.filename = NULL;
798 td_new->files_index = 0;
799 td_new->files_size = 0;
800 td_new->files = NULL;
803 job_add_num = numjobs - 1;
805 if (add_job(td_new, jobname, job_add_num))
816 * Parse as if 'o' was a command line
818 void add_job_opts(const char **o)
820 struct thread_data *td, *td_parent;
821 int i, in_global = 1;
825 td_parent = td = NULL;
827 if (!strncmp(o[i], "name", 4)) {
830 add_job(td, jobname, 0);
832 sprintf(jobname, "%s", o[i] + 5);
834 if (in_global && !td_parent)
835 td_parent = get_new_job(1, &def_thread);
836 else if (!in_global && !td) {
838 td_parent = &def_thread;
839 td = get_new_job(0, td_parent);
842 fio_options_parse(td_parent, (char **) &o[i], 1);
844 fio_options_parse(td, (char **) &o[i], 1);
849 add_job(td, jobname, 0);
852 static int skip_this_section(const char *name)
856 if (!nr_job_sections)
858 if (!strncmp(name, "global", 6))
861 for (i = 0; i < nr_job_sections; i++)
862 if (!strcmp(job_sections[i], name))
868 static int is_empty_or_comment(char *line)
872 for (i = 0; i < strlen(line); i++) {
877 if (!isspace((int) line[i]) && !iscntrl((int) line[i]))
885 * This is our [ini] type file parser.
887 int parse_jobs_ini(char *file, int is_buf, int stonewall_flag)
890 struct thread_data *td;
894 int ret = 0, stonewall;
899 int i, alloc_opts, num_opts;
904 if (!strcmp(file, "-"))
907 f = fopen(file, "r");
910 perror("fopen job file");
915 string = malloc(4096);
918 * it's really 256 + small bit, 280 should suffice
921 memset(name, 0, 280);
924 opts = malloc(sizeof(char *) * alloc_opts);
927 stonewall = stonewall_flag;
930 * if skip_fgets is set, we already have loaded a line we
935 p = strsep(&file, "\n");
937 p = fgets(string, 4095, f);
943 strip_blank_front(&p);
946 if (is_empty_or_comment(p))
948 if (sscanf(p, "[%255[^\n]]", name) != 1) {
951 log_err("fio: option <%s> outside of [] job section\n",
956 name[strlen(name) - 1] = '\0';
958 if (skip_this_section(name)) {
964 global = !strncmp(name, "global", 6);
970 log_info("--name=%s ", name);
974 td = get_new_job(global, &def_thread);
981 * Seperate multiple job files by a stonewall
983 if (!global && stonewall) {
984 td->o.stonewall = stonewall;
989 memset(opts, 0, alloc_opts * sizeof(char *));
993 p = strsep(&file, "\n");
995 p = fgets(string, 4096, f);
999 if (is_empty_or_comment(p))
1002 strip_blank_front(&p);
1005 * new section, break out and make sure we don't
1006 * fgets() a new line at the top.
1015 if (num_opts == alloc_opts) {
1017 opts = realloc(opts,
1018 alloc_opts * sizeof(char *));
1021 opts[num_opts] = strdup(p);
1025 ret = fio_options_parse(td, opts, num_opts);
1028 for (i = 0; i < num_opts; i++)
1029 log_info("--%s ", opts[i]);
1031 ret = add_job(td, name, 0);
1033 log_err("fio: job %s dropped\n", name);
1037 for (i = 0; i < num_opts; i++)
1045 for (i = 0; i < num_opts; i++)
1051 if (!is_buf && f != stdin)
1056 static int fill_def_thread(void)
1058 memset(&def_thread, 0, sizeof(def_thread));
1060 fio_getaffinity(getpid(), &def_thread.o.cpumask);
1063 * fill default options
1065 fio_fill_default_options(&def_thread);
1069 static void usage(const char *name)
1071 printf("%s\n", fio_version_string);
1072 printf("%s [options] [job options] <job file(s)>\n", name);
1073 printf("\t--debug=options\tEnable debug logging\n");
1074 printf("\t--output\tWrite output to file\n");
1075 printf("\t--timeout\tRuntime in seconds\n");
1076 printf("\t--latency-log\tGenerate per-job latency logs\n");
1077 printf("\t--bandwidth-log\tGenerate per-job bandwidth logs\n");
1078 printf("\t--minimal\tMinimal (terse) output\n");
1079 printf("\t--version\tPrint version info and exit\n");
1080 printf("\t--terse-version=x Terse version output format\n");
1081 printf("\t--help\t\tPrint this page\n");
1082 printf("\t--cmdhelp=cmd\tPrint command help, \"all\" for all of"
1084 printf("\t--showcmd\tTurn a job file into command line options\n");
1085 printf("\t--eta=when\tWhen ETA estimate should be printed\n");
1086 printf("\t \tMay be \"always\", \"never\" or \"auto\"\n");
1087 printf("\t--readonly\tTurn on safety read-only checks, preventing"
1089 printf("\t--section=name\tOnly run specified section in job file\n");
1090 printf("\t--alloc-size=kb\tSet smalloc pool to this size in kb"
1092 printf("\t--warnings-fatal Fio parser warnings are fatal\n");
1093 printf("\t--max-jobs\tMaximum number of threads/processes to support\n");
1094 printf("\t--server\tStart a backend fio server\n");
1095 printf("\t--client=hostname Talk to remove backend fio server at hostname\n");
1096 printf("\t--net-port=port\tUse specified port for client/server connection\n");
1097 printf("\nFio was written by Jens Axboe <jens.axboe@oracle.com>");
1098 printf("\n Jens Axboe <jaxboe@fusionio.com>\n");
1101 #ifdef FIO_INC_DEBUG
1102 struct debug_level debug_levels[] = {
1103 { .name = "process", .shift = FD_PROCESS, },
1104 { .name = "file", .shift = FD_FILE, },
1105 { .name = "io", .shift = FD_IO, },
1106 { .name = "mem", .shift = FD_MEM, },
1107 { .name = "blktrace", .shift = FD_BLKTRACE },
1108 { .name = "verify", .shift = FD_VERIFY },
1109 { .name = "random", .shift = FD_RANDOM },
1110 { .name = "parse", .shift = FD_PARSE },
1111 { .name = "diskutil", .shift = FD_DISKUTIL },
1112 { .name = "job", .shift = FD_JOB },
1113 { .name = "mutex", .shift = FD_MUTEX },
1114 { .name = "profile", .shift = FD_PROFILE },
1115 { .name = "time", .shift = FD_TIME },
1116 { .name = "net", .shift = FD_NET },
1120 static int set_debug(const char *string)
1122 struct debug_level *dl;
1123 char *p = (char *) string;
1127 if (!strcmp(string, "?") || !strcmp(string, "help")) {
1128 log_info("fio: dumping debug options:");
1129 for (i = 0; debug_levels[i].name; i++) {
1130 dl = &debug_levels[i];
1131 log_info("%s,", dl->name);
1137 while ((opt = strsep(&p, ",")) != NULL) {
1140 if (!strncmp(opt, "all", 3)) {
1141 log_info("fio: set all debug options\n");
1146 for (i = 0; debug_levels[i].name; i++) {
1147 dl = &debug_levels[i];
1148 found = !strncmp(opt, dl->name, strlen(dl->name));
1152 if (dl->shift == FD_JOB) {
1153 opt = strchr(opt, ':');
1155 log_err("fio: missing job number\n");
1159 fio_debug_jobno = atoi(opt);
1160 log_info("fio: set debug jobno %d\n",
1163 log_info("fio: set debug option %s\n", opt);
1164 fio_debug |= (1UL << dl->shift);
1170 log_err("fio: debug mask %s not found\n", opt);
1175 static int set_debug(const char *string)
1177 log_err("fio: debug tracing not included in build\n");
1182 static void fio_options_fill_optstring(void)
1184 char *ostr = cmd_optstr;
1188 while (l_opts[i].name) {
1189 ostr[c++] = l_opts[i].val;
1190 if (l_opts[i].has_arg == required_argument)
1192 else if (l_opts[i].has_arg == optional_argument) {
1201 static int parse_cmd_line(int argc, char *argv[])
1203 struct thread_data *td = NULL;
1204 int c, ini_idx = 0, lidx, ret = 0, do_exit = 0, exit_val = 0;
1205 char *ostr = cmd_optstr;
1206 int daemonize_server = 0;
1208 while ((c = getopt_long_only(argc, argv, ostr, l_opts, &lidx)) != -1) {
1211 smalloc_pool_size = atoi(optarg);
1214 def_thread.o.timeout = atoi(optarg);
1223 f_out = fopen(optarg, "w+");
1225 perror("fopen output");
1237 exit(fio_show_option_help(optarg));
1245 log_info("%s\n", fio_version_string);
1248 terse_version = atoi(optarg);
1249 if (terse_version != 2) {
1250 log_err("fio: bad terse version format\n");
1256 if (!strcmp("always", optarg))
1257 eta_print = FIO_ETA_ALWAYS;
1258 else if (!strcmp("never", optarg))
1259 eta_print = FIO_ETA_NEVER;
1262 if (set_debug(optarg))
1268 if (!strcmp(optarg, "global")) {
1269 log_err("fio: can't use global as only "
1275 new_size = (nr_job_sections + 1) * sizeof(char *);
1276 job_sections = realloc(job_sections, new_size);
1277 job_sections[nr_job_sections] = strdup(optarg);
1282 exec_profile = strdup(optarg);
1284 case FIO_GETOPT_JOB: {
1285 const char *opt = l_opts[lidx].name;
1288 if (!strncmp(opt, "name", 4) && td) {
1289 ret = add_job(td, td->o.name ?: "fio", 0);
1295 int is_section = !strncmp(opt, "name", 4);
1298 if (!is_section || !strncmp(val, "global", 6))
1301 if (is_section && skip_this_section(val))
1304 td = get_new_job(global, &def_thread);
1309 ret = fio_cmd_option_parse(td, opt, val);
1316 max_jobs = atoi(optarg);
1317 if (!max_jobs || max_jobs > REAL_MAX_JOBS) {
1318 log_err("fio: invalid max jobs: %d\n", max_jobs);
1325 log_err("fio: can't be both client and server\n");
1333 daemonize_server = 1;
1336 fio_net_port = atoi(optarg);
1340 log_err("fio: can't be both client and server\n");
1345 fio_client_add(optarg);
1359 if (nr_clients && fio_clients_connect()) {
1366 return fio_start_server(daemonize_server);
1370 ret = add_job(td, td->o.name ?: "fio", 0);
1373 while (optind < argc) {
1375 ini_file = realloc(ini_file, ini_idx * sizeof(char *));
1376 ini_file[ini_idx - 1] = strdup(argv[optind]);
1383 int parse_options(int argc, char *argv[])
1390 fio_options_fill_optstring();
1391 fio_options_dup_and_init(l_opts);
1395 if (fill_def_thread())
1398 job_files = parse_cmd_line(argc, argv);
1400 for (i = 0; i < job_files; i++) {
1401 if (fill_def_thread())
1404 if (fio_clients_send_ini(ini_file[i]))
1407 } else if (!is_backend) {
1408 if (parse_jobs_ini(ini_file[i], 0, i))
1415 options_mem_free(&def_thread);
1417 if (!thread_number) {
1422 if (is_backend || nr_clients)
1425 log_err("No jobs(s) defined\n\n");
1430 if (def_thread.o.gtod_offload) {
1432 fio_gtod_offload = 1;
1433 fio_gtod_cpu = def_thread.o.gtod_cpu;
1436 log_info("%s\n", fio_version_string);