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;
54 static int write_lat_log;
56 static int prev_group_jobs;
58 unsigned long fio_debug = 0;
59 unsigned int fio_debug_jobno = -1;
60 unsigned int *fio_debug_jobp = NULL;
62 static char cmd_optstr[256];
65 * Command line options. These will contain the above, plus a few
66 * extra that only pertain to fio itself and not jobs.
68 static struct option l_opts[FIO_NR_OPTIONS] = {
70 .name = (char *) "output",
71 .has_arg = required_argument,
75 .name = (char *) "timeout",
76 .has_arg = required_argument,
80 .name = (char *) "latency-log",
81 .has_arg = required_argument,
85 .name = (char *) "bandwidth-log",
86 .has_arg = required_argument,
90 .name = (char *) "minimal",
91 .has_arg = optional_argument,
95 .name = (char *) "version",
96 .has_arg = no_argument,
100 .name = (char *) "help",
101 .has_arg = no_argument,
105 .name = (char *) "cmdhelp",
106 .has_arg = optional_argument,
110 .name = (char *) "showcmd",
111 .has_arg = no_argument,
115 .name = (char *) "readonly",
116 .has_arg = no_argument,
120 .name = (char *) "eta",
121 .has_arg = required_argument,
125 .name = (char *) "debug",
126 .has_arg = required_argument,
130 .name = (char *) "section",
131 .has_arg = required_argument,
135 .name = (char *) "alloc-size",
136 .has_arg = required_argument,
140 .name = (char *) "profile",
141 .has_arg = required_argument,
145 .name = (char *) "warnings-fatal",
146 .has_arg = no_argument,
150 .name = (char *) "max-jobs",
151 .has_arg = required_argument,
155 .name = (char *) "terse-version",
156 .has_arg = required_argument,
160 .name = (char *) "server",
161 .has_arg = no_argument,
165 .name = (char *) "net-port",
166 .has_arg = required_argument,
170 .name = (char *) "client",
171 .has_arg = required_argument,
180 * Return a free job structure.
182 static struct thread_data *get_new_job(int global, struct thread_data *parent)
184 struct thread_data *td;
188 if (thread_number >= max_jobs) {
189 log_err("error: maximum number of jobs (%d) reached.\n",
194 td = &threads[thread_number++];
197 td->o.uid = td->o.gid = -1U;
199 dup_files(td, parent);
200 options_mem_dupe(td);
202 profile_add_hooks(td);
204 td->thread_number = thread_number;
208 static void put_job(struct thread_data *td)
210 if (td == &def_thread)
216 log_info("fio: %s\n", td->verror);
218 memset(&threads[td->thread_number - 1], 0, sizeof(*td));
222 static int __setup_rate(struct thread_data *td, enum fio_ddir ddir)
224 unsigned int bs = td->o.min_bs[ddir];
225 unsigned long long bytes_per_sec;
227 assert(ddir_rw(ddir));
229 if (td->o.rate[ddir])
230 bytes_per_sec = td->o.rate[ddir];
232 bytes_per_sec = td->o.rate_iops[ddir] * bs;
234 if (!bytes_per_sec) {
235 log_err("rate lower than supported\n");
239 td->rate_nsec_cycle[ddir] = 1000000000ULL / bytes_per_sec;
240 td->rate_pending_usleep[ddir] = 0;
244 static int setup_rate(struct thread_data *td)
248 if (td->o.rate[DDIR_READ] || td->o.rate_iops[DDIR_READ])
249 ret = __setup_rate(td, DDIR_READ);
250 if (td->o.rate[DDIR_WRITE] || td->o.rate_iops[DDIR_WRITE])
251 ret |= __setup_rate(td, DDIR_WRITE);
256 static int fixed_block_size(struct thread_options *o)
258 return o->min_bs[DDIR_READ] == o->max_bs[DDIR_READ] &&
259 o->min_bs[DDIR_WRITE] == o->max_bs[DDIR_WRITE] &&
260 o->min_bs[DDIR_READ] == o->min_bs[DDIR_WRITE];
264 * Lazy way of fixing up options that depend on each other. We could also
265 * define option callback handlers, but this is easier.
267 static int fixup_options(struct thread_data *td)
269 struct thread_options *o = &td->o;
272 #ifndef FIO_HAVE_PSHARED_MUTEX
273 if (!o->use_thread) {
274 log_info("fio: this platform does not support process shared"
275 " mutexes, forcing use of threads. Use the 'thread'"
276 " option to get rid of this warning.\n");
278 ret = warnings_fatal;
282 if (o->write_iolog_file && o->read_iolog_file) {
283 log_err("fio: read iolog overrides write_iolog\n");
284 free(o->write_iolog_file);
285 o->write_iolog_file = NULL;
286 ret = warnings_fatal;
290 * only really works for sequential io for now, and with 1 file
292 if (o->zone_size && td_random(td) && o->open_files == 1)
296 * Reads can do overwrites, we always need to pre-create the file
298 if (td_read(td) || td_rw(td))
301 if (!o->min_bs[DDIR_READ])
302 o->min_bs[DDIR_READ] = o->bs[DDIR_READ];
303 if (!o->max_bs[DDIR_READ])
304 o->max_bs[DDIR_READ] = o->bs[DDIR_READ];
305 if (!o->min_bs[DDIR_WRITE])
306 o->min_bs[DDIR_WRITE] = o->bs[DDIR_WRITE];
307 if (!o->max_bs[DDIR_WRITE])
308 o->max_bs[DDIR_WRITE] = o->bs[DDIR_WRITE];
310 o->rw_min_bs = min(o->min_bs[DDIR_READ], o->min_bs[DDIR_WRITE]);
313 * For random IO, allow blockalign offset other than min_bs.
315 if (!o->ba[DDIR_READ] || !td_random(td))
316 o->ba[DDIR_READ] = o->min_bs[DDIR_READ];
317 if (!o->ba[DDIR_WRITE] || !td_random(td))
318 o->ba[DDIR_WRITE] = o->min_bs[DDIR_WRITE];
320 if ((o->ba[DDIR_READ] != o->min_bs[DDIR_READ] ||
321 o->ba[DDIR_WRITE] != o->min_bs[DDIR_WRITE]) &&
323 log_err("fio: Any use of blockalign= turns off randommap\n");
325 ret = warnings_fatal;
328 if (!o->file_size_high)
329 o->file_size_high = o->file_size_low;
331 if (o->norandommap && o->verify != VERIFY_NONE
332 && !fixed_block_size(o)) {
333 log_err("fio: norandommap given for variable block sizes, "
334 "verify disabled\n");
335 o->verify = VERIFY_NONE;
336 ret = warnings_fatal;
338 if (o->bs_unaligned && (o->odirect || td->io_ops->flags & FIO_RAWIO))
339 log_err("fio: bs_unaligned may not work with raw io\n");
342 * thinktime_spin must be less than thinktime
344 if (o->thinktime_spin > o->thinktime)
345 o->thinktime_spin = o->thinktime;
348 * The low water mark cannot be bigger than the iodepth
350 if (o->iodepth_low > o->iodepth || !o->iodepth_low) {
352 * syslet work around - if the workload is sequential,
353 * we want to let the queue drain all the way down to
354 * avoid seeking between async threads
356 if (!strcmp(td->io_ops->name, "syslet-rw") && !td_random(td))
359 o->iodepth_low = o->iodepth;
363 * If batch number isn't set, default to the same as iodepth
365 if (o->iodepth_batch > o->iodepth || !o->iodepth_batch)
366 o->iodepth_batch = o->iodepth;
368 if (o->nr_files > td->files_index)
369 o->nr_files = td->files_index;
371 if (o->open_files > o->nr_files || !o->open_files)
372 o->open_files = o->nr_files;
374 if (((o->rate[0] + o->rate[1]) && (o->rate_iops[0] + o->rate_iops[1]))||
375 ((o->ratemin[0] + o->ratemin[1]) && (o->rate_iops_min[0] +
376 o->rate_iops_min[1]))) {
377 log_err("fio: rate and rate_iops are mutually exclusive\n");
380 if ((o->rate[0] < o->ratemin[0]) || (o->rate[1] < o->ratemin[1]) ||
381 (o->rate_iops[0] < o->rate_iops_min[0]) ||
382 (o->rate_iops[1] < o->rate_iops_min[1])) {
383 log_err("fio: minimum rate exceeds rate\n");
387 if (!o->timeout && o->time_based) {
388 log_err("fio: time_based requires a runtime/timeout setting\n");
390 ret = warnings_fatal;
393 if (o->fill_device && !o->size)
396 if (o->verify != VERIFY_NONE) {
397 if (td_write(td) && o->do_verify && o->numjobs > 1) {
398 log_info("Multiple writers may overwrite blocks that "
399 "belong to other jobs. This can cause "
400 "verification failures.\n");
401 ret = warnings_fatal;
404 o->refill_buffers = 1;
405 if (o->max_bs[DDIR_WRITE] != o->min_bs[DDIR_WRITE] &&
407 o->verify_interval = o->min_bs[DDIR_WRITE];
411 o->invalidate_cache = 0;
412 if (td->io_ops->flags & FIO_PIPEIO) {
413 log_info("fio: cannot pre-read files with an IO engine"
414 " that isn't seekable. Pre-read disabled.\n");
415 ret = warnings_fatal;
419 #ifndef FIO_HAVE_FDATASYNC
420 if (o->fdatasync_blocks) {
421 log_info("fio: this platform does not support fdatasync()"
422 " falling back to using fsync(). Use the 'fsync'"
423 " option instead of 'fdatasync' to get rid of"
425 o->fsync_blocks = o->fdatasync_blocks;
426 o->fdatasync_blocks = 0;
427 ret = warnings_fatal;
435 * This function leaks the buffer
437 static char *to_kmg(unsigned int val)
439 char *buf = malloc(32);
440 char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 };
451 snprintf(buf, 31, "%u%c", val, *p);
455 /* External engines are specified by "external:name.o") */
456 static const char *get_engine_name(const char *str)
458 char *p = strstr(str, ":");
464 strip_blank_front(&p);
469 static int exists_and_not_file(const char *filename)
473 if (lstat(filename, &sb) == -1)
476 /* \\.\ is the device namespace in Windows, where every file
477 * is a device node */
478 if (S_ISREG(sb.st_mode) && strncmp(filename, "\\\\.\\", 4) != 0)
484 static void td_fill_rand_seeds_os(struct thread_data *td)
486 os_random_seed(td->rand_seeds[0], &td->bsrange_state);
487 os_random_seed(td->rand_seeds[1], &td->verify_state);
488 os_random_seed(td->rand_seeds[2], &td->rwmix_state);
490 if (td->o.file_service_type == FIO_FSERVICE_RANDOM)
491 os_random_seed(td->rand_seeds[3], &td->next_file_state);
493 os_random_seed(td->rand_seeds[5], &td->file_size_state);
494 os_random_seed(td->rand_seeds[6], &td->trim_state);
499 if (td->o.rand_repeatable)
500 td->rand_seeds[4] = FIO_RANDSEED * td->thread_number;
502 os_random_seed(td->rand_seeds[4], &td->random_state);
505 static void td_fill_rand_seeds_internal(struct thread_data *td)
507 init_rand_seed(&td->__bsrange_state, td->rand_seeds[0]);
508 init_rand_seed(&td->__verify_state, td->rand_seeds[1]);
509 init_rand_seed(&td->__rwmix_state, td->rand_seeds[2]);
511 if (td->o.file_service_type == FIO_FSERVICE_RANDOM)
512 init_rand_seed(&td->__next_file_state, td->rand_seeds[3]);
514 init_rand_seed(&td->__file_size_state, td->rand_seeds[5]);
515 init_rand_seed(&td->__trim_state, td->rand_seeds[6]);
520 if (td->o.rand_repeatable)
521 td->rand_seeds[4] = FIO_RANDSEED * td->thread_number;
523 init_rand_seed(&td->__random_state, td->rand_seeds[4]);
526 void td_fill_rand_seeds(struct thread_data *td)
528 if (td->o.use_os_rand)
529 td_fill_rand_seeds_os(td);
531 td_fill_rand_seeds_internal(td);
533 init_rand_seed(&td->buf_state, td->rand_seeds[7]);
537 * Initialize the various random states we need (random io, block size ranges,
538 * read/write mix, etc).
540 static int init_random_state(struct thread_data *td)
544 fd = open("/dev/urandom", O_RDONLY);
546 td_verror(td, errno, "open");
550 if (read(fd, td->rand_seeds, sizeof(td->rand_seeds)) <
551 (int) sizeof(td->rand_seeds)) {
552 td_verror(td, EIO, "read");
558 td_fill_rand_seeds(td);
563 * Adds a job to the list of things todo. Sanitizes the various options
564 * to make sure we don't have conflicts, and initializes various
567 static int add_job(struct thread_data *td, const char *jobname, int job_add_num)
569 const char *ddir_str[] = { NULL, "read", "write", "rw", NULL,
570 "randread", "randwrite", "randrw" };
573 char fname[PATH_MAX];
574 int numjobs, file_alloced;
577 * the def_thread is just for options, it's not a real job
579 if (td == &def_thread)
583 * if we are just dumping the output command line, don't add the job
590 if (profile_td_init(td))
593 engine = get_engine_name(td->o.ioengine);
594 td->io_ops = load_ioengine(td, engine);
596 log_err("fio: failed to load engine %s\n", engine);
600 if (td->o.use_thread)
606 td->io_ops->flags |= FIO_RAWIO;
609 if (!td->o.filename && !td->files_index && !td->o.read_iolog_file) {
612 if (td->o.nr_files == 1 && exists_and_not_file(jobname))
613 add_file(td, jobname);
615 for (i = 0; i < td->o.nr_files; i++) {
616 sprintf(fname, "%s.%d.%d", jobname,
617 td->thread_number, i);
623 if (fixup_options(td))
626 if (td->io_ops->flags & FIO_DISKLESSIO) {
629 for_each_file(td, f, i)
630 f->real_file_size = -1ULL;
633 td->mutex = fio_mutex_init(0);
635 td->ts.clat_percentiles = td->o.clat_percentiles;
636 if (td->o.overwrite_plist)
637 td->ts.percentile_list = td->o.percentile_list;
639 td->ts.percentile_list = NULL;
641 td->ts.clat_stat[0].min_val = td->ts.clat_stat[1].min_val = ULONG_MAX;
642 td->ts.slat_stat[0].min_val = td->ts.slat_stat[1].min_val = ULONG_MAX;
643 td->ts.lat_stat[0].min_val = td->ts.lat_stat[1].min_val = ULONG_MAX;
644 td->ts.bw_stat[0].min_val = td->ts.bw_stat[1].min_val = ULONG_MAX;
645 td->ddir_seq_nr = td->o.ddir_seq_nr;
647 if ((td->o.stonewall || td->o.new_group) && prev_group_jobs) {
652 td->groupid = groupid;
655 if (init_random_state(td))
661 if (td->o.write_lat_log) {
662 setup_log(&td->ts.lat_log);
663 setup_log(&td->ts.slat_log);
664 setup_log(&td->ts.clat_log);
666 if (td->o.write_bw_log)
667 setup_log(&td->ts.bw_log);
670 td->o.name = strdup(jobname);
674 if (!strcmp(td->io_ops->name, "cpuio")) {
675 log_info("%s: ioengine=cpu, cpuload=%u,"
676 " cpucycle=%u\n", td->o.name,
680 char *c1, *c2, *c3, *c4;
682 c1 = to_kmg(td->o.min_bs[DDIR_READ]);
683 c2 = to_kmg(td->o.max_bs[DDIR_READ]);
684 c3 = to_kmg(td->o.min_bs[DDIR_WRITE]);
685 c4 = to_kmg(td->o.max_bs[DDIR_WRITE]);
687 log_info("%s: (g=%d): rw=%s, bs=%s-%s/%s-%s,"
688 " ioengine=%s, iodepth=%u\n",
689 td->o.name, td->groupid,
690 ddir_str[td->o.td_ddir],
700 } else if (job_add_num == 1)
705 * recurse add identical jobs, clear numjobs and stonewall options
706 * as they don't apply to sub-jobs
708 numjobs = td->o.numjobs;
710 struct thread_data *td_new = get_new_job(0, td);
715 td_new->o.numjobs = 1;
716 td_new->o.stonewall = 0;
717 td_new->o.new_group = 0;
720 td_new->o.filename = NULL;
721 td_new->files_index = 0;
722 td_new->files_size = 0;
723 td_new->files = NULL;
726 job_add_num = numjobs - 1;
728 if (add_job(td_new, jobname, job_add_num))
739 * Parse as if 'o' was a command line
741 void add_job_opts(const char **o)
743 struct thread_data *td, *td_parent;
744 int i, in_global = 1;
748 td_parent = td = NULL;
750 if (!strncmp(o[i], "name", 4)) {
753 add_job(td, jobname, 0);
755 sprintf(jobname, "%s", o[i] + 5);
757 if (in_global && !td_parent)
758 td_parent = get_new_job(1, &def_thread);
759 else if (!in_global && !td) {
761 td_parent = &def_thread;
762 td = get_new_job(0, td_parent);
765 fio_options_parse(td_parent, (char **) &o[i], 1);
767 fio_options_parse(td, (char **) &o[i], 1);
772 add_job(td, jobname, 0);
775 static int skip_this_section(const char *name)
779 if (!nr_job_sections)
781 if (!strncmp(name, "global", 6))
784 for (i = 0; i < nr_job_sections; i++)
785 if (!strcmp(job_sections[i], name))
791 static int is_empty_or_comment(char *line)
795 for (i = 0; i < strlen(line); i++) {
800 if (!isspace((int) line[i]) && !iscntrl((int) line[i]))
808 * This is our [ini] type file parser.
810 int parse_jobs_ini(char *file, int is_buf, int stonewall_flag)
813 struct thread_data *td;
817 int ret = 0, stonewall;
822 int i, alloc_opts, num_opts;
827 if (!strcmp(file, "-"))
830 f = fopen(file, "r");
833 perror("fopen job file");
838 string = malloc(4096);
841 * it's really 256 + small bit, 280 should suffice
844 memset(name, 0, 280);
847 opts = malloc(sizeof(char *) * alloc_opts);
850 stonewall = stonewall_flag;
853 * if skip_fgets is set, we already have loaded a line we
858 p = strsep(&file, "\n");
860 p = fgets(string, 4095, f);
866 strip_blank_front(&p);
869 if (is_empty_or_comment(p))
871 if (sscanf(p, "[%255[^\n]]", name) != 1) {
874 log_err("fio: option <%s> outside of [] job section\n",
879 name[strlen(name) - 1] = '\0';
881 if (skip_this_section(name)) {
887 global = !strncmp(name, "global", 6);
893 log_info("--name=%s ", name);
897 td = get_new_job(global, &def_thread);
904 * Seperate multiple job files by a stonewall
906 if (!global && stonewall) {
907 td->o.stonewall = stonewall;
912 memset(opts, 0, alloc_opts * sizeof(char *));
916 p = strsep(&file, "\n");
918 p = fgets(string, 4096, f);
922 if (is_empty_or_comment(p))
925 strip_blank_front(&p);
928 * new section, break out and make sure we don't
929 * fgets() a new line at the top.
938 if (num_opts == alloc_opts) {
941 alloc_opts * sizeof(char *));
944 opts[num_opts] = strdup(p);
948 ret = fio_options_parse(td, opts, num_opts);
951 for (i = 0; i < num_opts; i++)
952 log_info("--%s ", opts[i]);
954 ret = add_job(td, name, 0);
956 log_err("fio: job %s dropped\n", name);
960 for (i = 0; i < num_opts; i++)
968 for (i = 0; i < num_opts; i++)
974 if (!is_buf && f != stdin)
979 static int fill_def_thread(void)
981 memset(&def_thread, 0, sizeof(def_thread));
983 fio_getaffinity(getpid(), &def_thread.o.cpumask);
986 * fill default options
988 fio_fill_default_options(&def_thread);
992 static void free_shm(void)
994 struct shmid_ds sbuf;
1001 fio_debug_jobp = NULL;
1003 shmctl(shm_id, IPC_RMID, &sbuf);
1010 * The thread area is shared between the main process and the job
1011 * threads/processes. So setup a shared memory segment that will hold
1012 * all the job info. We use the end of the region for keeping track of
1013 * open files across jobs, for file sharing.
1015 static int setup_thread_area(void)
1020 * 1024 is too much on some machines, scale max_jobs if
1021 * we get a failure that looks like too large a shm segment
1024 size_t size = max_jobs * sizeof(struct thread_data);
1026 size += file_hash_size;
1027 size += sizeof(unsigned int);
1029 shm_id = shmget(0, size, IPC_CREAT | 0600);
1032 if (errno != EINVAL) {
1043 threads = shmat(shm_id, NULL, 0);
1044 if (threads == (void *) -1) {
1049 memset(threads, 0, max_jobs * sizeof(struct thread_data));
1050 hash = (void *) threads + max_jobs * sizeof(struct thread_data);
1051 fio_debug_jobp = (void *) hash + file_hash_size;
1052 *fio_debug_jobp = -1;
1053 file_hash_init(hash);
1058 static void usage(const char *name)
1060 printf("%s\n", fio_version_string);
1061 printf("%s [options] [job options] <job file(s)>\n", name);
1062 printf("\t--debug=options\tEnable debug logging\n");
1063 printf("\t--output\tWrite output to file\n");
1064 printf("\t--timeout\tRuntime in seconds\n");
1065 printf("\t--latency-log\tGenerate per-job latency logs\n");
1066 printf("\t--bandwidth-log\tGenerate per-job bandwidth logs\n");
1067 printf("\t--minimal\tMinimal (terse) output\n");
1068 printf("\t--version\tPrint version info and exit\n");
1069 printf("\t--terse-version=x Terse version output format\n");
1070 printf("\t--help\t\tPrint this page\n");
1071 printf("\t--cmdhelp=cmd\tPrint command help, \"all\" for all of"
1073 printf("\t--showcmd\tTurn a job file into command line options\n");
1074 printf("\t--eta=when\tWhen ETA estimate should be printed\n");
1075 printf("\t \tMay be \"always\", \"never\" or \"auto\"\n");
1076 printf("\t--readonly\tTurn on safety read-only checks, preventing"
1078 printf("\t--section=name\tOnly run specified section in job file\n");
1079 printf("\t--alloc-size=kb\tSet smalloc pool to this size in kb"
1081 printf("\t--warnings-fatal Fio parser warnings are fatal\n");
1082 printf("\t--max-jobs\tMaximum number of threads/processes to support\n");
1083 printf("\t--server\tStart a backend fio server\n");
1084 printf("\t--client=hostname Talk to remove backend fio server at hostname\n");
1085 printf("\t--net-port=port\tUse specified port for client/server connection\n");
1086 printf("\nFio was written by Jens Axboe <jens.axboe@oracle.com>");
1087 printf("\n Jens Axboe <jaxboe@fusionio.com>\n");
1090 #ifdef FIO_INC_DEBUG
1091 struct debug_level debug_levels[] = {
1092 { .name = "process", .shift = FD_PROCESS, },
1093 { .name = "file", .shift = FD_FILE, },
1094 { .name = "io", .shift = FD_IO, },
1095 { .name = "mem", .shift = FD_MEM, },
1096 { .name = "blktrace", .shift = FD_BLKTRACE },
1097 { .name = "verify", .shift = FD_VERIFY },
1098 { .name = "random", .shift = FD_RANDOM },
1099 { .name = "parse", .shift = FD_PARSE },
1100 { .name = "diskutil", .shift = FD_DISKUTIL },
1101 { .name = "job", .shift = FD_JOB },
1102 { .name = "mutex", .shift = FD_MUTEX },
1103 { .name = "profile", .shift = FD_PROFILE },
1104 { .name = "time", .shift = FD_TIME },
1105 { .name = "net", .shift = FD_NET },
1109 static int set_debug(const char *string)
1111 struct debug_level *dl;
1112 char *p = (char *) string;
1116 if (!strcmp(string, "?") || !strcmp(string, "help")) {
1117 log_info("fio: dumping debug options:");
1118 for (i = 0; debug_levels[i].name; i++) {
1119 dl = &debug_levels[i];
1120 log_info("%s,", dl->name);
1126 while ((opt = strsep(&p, ",")) != NULL) {
1129 if (!strncmp(opt, "all", 3)) {
1130 log_info("fio: set all debug options\n");
1135 for (i = 0; debug_levels[i].name; i++) {
1136 dl = &debug_levels[i];
1137 found = !strncmp(opt, dl->name, strlen(dl->name));
1141 if (dl->shift == FD_JOB) {
1142 opt = strchr(opt, ':');
1144 log_err("fio: missing job number\n");
1148 fio_debug_jobno = atoi(opt);
1149 log_info("fio: set debug jobno %d\n",
1152 log_info("fio: set debug option %s\n", opt);
1153 fio_debug |= (1UL << dl->shift);
1159 log_err("fio: debug mask %s not found\n", opt);
1164 static int set_debug(const char *string)
1166 log_err("fio: debug tracing not included in build\n");
1171 static void fio_options_fill_optstring(void)
1173 char *ostr = cmd_optstr;
1177 while (l_opts[i].name) {
1178 ostr[c++] = l_opts[i].val;
1179 if (l_opts[i].has_arg == required_argument)
1181 else if (l_opts[i].has_arg == optional_argument) {
1190 static int parse_cmd_line(int argc, char *argv[])
1192 struct thread_data *td = NULL;
1193 int c, ini_idx = 0, lidx, ret = 0, do_exit = 0, exit_val = 0;
1194 char *ostr = cmd_optstr;
1196 while ((c = getopt_long_only(argc, argv, ostr, l_opts, &lidx)) != -1) {
1199 smalloc_pool_size = atoi(optarg);
1202 def_thread.o.timeout = atoi(optarg);
1211 f_out = fopen(optarg, "w+");
1213 perror("fopen output");
1225 exit(fio_show_option_help(optarg));
1233 log_info("%s\n", fio_version_string);
1236 terse_version = atoi(optarg);
1237 if (terse_version != 2) {
1238 log_err("fio: bad terse version format\n");
1244 if (!strcmp("always", optarg))
1245 eta_print = FIO_ETA_ALWAYS;
1246 else if (!strcmp("never", optarg))
1247 eta_print = FIO_ETA_NEVER;
1250 if (set_debug(optarg))
1256 if (!strcmp(optarg, "global")) {
1257 log_err("fio: can't use global as only "
1263 new_size = (nr_job_sections + 1) * sizeof(char *);
1264 job_sections = realloc(job_sections, new_size);
1265 job_sections[nr_job_sections] = strdup(optarg);
1270 exec_profile = strdup(optarg);
1272 case FIO_GETOPT_JOB: {
1273 const char *opt = l_opts[lidx].name;
1276 if (!strncmp(opt, "name", 4) && td) {
1277 ret = add_job(td, td->o.name ?: "fio", 0);
1283 int is_section = !strncmp(opt, "name", 4);
1286 if (!is_section || !strncmp(val, "global", 6))
1289 if (is_section && skip_this_section(val))
1292 td = get_new_job(global, &def_thread);
1297 ret = fio_cmd_option_parse(td, opt, val);
1304 max_jobs = atoi(optarg);
1305 if (!max_jobs || max_jobs > REAL_MAX_JOBS) {
1306 log_err("fio: invalid max jobs: %d\n", max_jobs);
1313 log_err("fio: can't be both client and server\n");
1321 fio_net_port = atoi(optarg);
1325 log_err("fio: can't be both client and server\n");
1330 fio_client_add(optarg);
1342 if (nr_clients && fio_clients_connect()) {
1349 return fio_server();
1353 ret = add_job(td, td->o.name ?: "fio", 0);
1356 while (optind < argc) {
1358 ini_file = realloc(ini_file, ini_idx * sizeof(char *));
1359 ini_file[ini_idx - 1] = strdup(argv[optind]);
1366 int parse_options(int argc, char *argv[])
1373 fio_options_fill_optstring();
1374 fio_options_dup_and_init(l_opts);
1376 if (setup_thread_area())
1378 if (fill_def_thread())
1381 job_files = parse_cmd_line(argc, argv);
1383 for (i = 0; i < job_files; i++) {
1384 if (fill_def_thread())
1387 if (fio_clients_send_ini(ini_file[i]))
1390 } else if (!is_backend) {
1391 if (parse_jobs_ini(ini_file[i], 0, i))
1398 options_mem_free(&def_thread);
1400 if (!thread_number) {
1405 if (is_backend || nr_clients)
1408 log_err("No jobs(s) defined\n\n");
1413 if (def_thread.o.gtod_offload) {
1415 fio_gtod_offload = 1;
1416 fio_gtod_cpu = def_thread.o.gtod_cpu;
1419 log_info("%s\n", fio_version_string);