Add pread/pwrite support to sync engine
[fio.git] / init.c
1 /*
2  * This file contains job initialization and setup functions.
3  */
4 #include <stdio.h>
5 #include <stdlib.h>
6 #include <unistd.h>
7 #include <fcntl.h>
8 #include <ctype.h>
9 #include <string.h>
10 #include <errno.h>
11 #include <getopt.h>
12 #include <sys/ipc.h>
13 #include <sys/shm.h>
14 #include <sys/types.h>
15 #include <sys/stat.h>
16
17 #include "fio.h"
18 #include "parse.h"
19
20 static char fio_version_string[] = "fio 1.17.1";
21
22 #define FIO_RANDSEED            (0xb1899bedUL)
23
24 static char **ini_file;
25 static int max_jobs = MAX_JOBS;
26 static int dump_cmdline;
27
28 struct thread_data def_thread;
29 struct thread_data *threads = NULL;
30
31 int exitall_on_terminate = 0;
32 int terse_output = 0;
33 int eta_print;
34 unsigned long long mlock_size = 0;
35 FILE *f_out = NULL;
36 FILE *f_err = NULL;
37
38 int write_bw_log = 0;
39 int read_only = 0;
40
41 static int def_timeout = 0;
42 static int write_lat_log = 0;
43
44 static int prev_group_jobs;
45
46 /*
47  * Command line options. These will contain the above, plus a few
48  * extra that only pertain to fio itself and not jobs.
49  */
50 static struct option long_options[FIO_NR_OPTIONS] = {
51         {
52                 .name           = "output",
53                 .has_arg        = required_argument,
54                 .val            = 'o',
55         },
56         {
57                 .name           = "timeout",
58                 .has_arg        = required_argument,
59                 .val            = 't',
60         },
61         {
62                 .name           = "latency-log",
63                 .has_arg        = required_argument,
64                 .val            = 'l',
65         },
66         {
67                 .name           = "bandwidth-log",
68                 .has_arg        = required_argument,
69                 .val            = 'b',
70         },
71         {
72                 .name           = "minimal",
73                 .has_arg        = optional_argument,
74                 .val            = 'm',
75         },
76         {
77                 .name           = "version",
78                 .has_arg        = no_argument,
79                 .val            = 'v',
80         },
81         {
82                 .name           = "help",
83                 .has_arg        = no_argument,
84                 .val            = 'h',
85         },
86         {
87                 .name           = "cmdhelp",
88                 .has_arg        = optional_argument,
89                 .val            = 'c',
90         },
91         {
92                 .name           = "showcmd",
93                 .has_arg        = no_argument,
94                 .val            = 's',
95         },
96         {
97                 .name           = "readonly",
98                 .has_arg        = no_argument,
99                 .val            = 'r',
100         },
101         {
102                 .name           = "eta",
103                 .has_arg        = required_argument,
104                 .val            = 'e',
105         },
106         {
107                 .name           = NULL,
108         },
109 };
110
111 FILE *get_f_out()
112 {
113         return f_out;
114 }
115
116 FILE *get_f_err()
117 {
118         return f_err;
119 }
120
121 /*
122  * Return a free job structure.
123  */
124 static struct thread_data *get_new_job(int global, struct thread_data *parent)
125 {
126         struct thread_data *td;
127
128         if (global)
129                 return &def_thread;
130         if (thread_number >= max_jobs)
131                 return NULL;
132
133         td = &threads[thread_number++];
134         *td = *parent;
135
136         dup_files(td, parent);
137         options_mem_dupe(td);
138
139         td->thread_number = thread_number;
140         return td;
141 }
142
143 static void put_job(struct thread_data *td)
144 {
145         if (td == &def_thread)
146                 return;
147
148         if (td->error)
149                 log_info("fio: %s\n", td->verror);
150
151         memset(&threads[td->thread_number - 1], 0, sizeof(*td));
152         thread_number--;
153 }
154
155 static int setup_rate(struct thread_data *td)
156 {
157         unsigned long nr_reads_per_msec;
158         unsigned long long rate;
159         unsigned int bs;
160
161         if (!td->o.rate && !td->o.rate_iops)
162                 return 0;
163
164         if (td_rw(td))
165                 bs = td->o.rw_min_bs;
166         else if (td_read(td))
167                 bs = td->o.min_bs[DDIR_READ];
168         else
169                 bs = td->o.min_bs[DDIR_WRITE];
170
171         if (td->o.rate) {
172                 rate = td->o.rate;
173                 nr_reads_per_msec = (rate * 1024 * 1000LL) / bs;
174         } else
175                 nr_reads_per_msec = td->o.rate_iops * 1000UL;
176
177         if (!nr_reads_per_msec) {
178                 log_err("rate lower than supported\n");
179                 return -1;
180         }
181
182         td->rate_usec_cycle = 1000000000ULL / nr_reads_per_msec;
183         td->rate_pending_usleep = 0;
184         return 0;
185 }
186
187 /*
188  * Lazy way of fixing up options that depend on each other. We could also
189  * define option callback handlers, but this is easier.
190  */
191 static int fixup_options(struct thread_data *td)
192 {
193         struct thread_options *o = &td->o;
194
195         if (read_only && td_write(td)) {
196                 log_err("fio: job <%s> has write bit set, but fio is in read-only mode\n", td->o.name);
197                 return 1;
198         }
199         
200         if (o->rwmix[DDIR_READ] + o->rwmix[DDIR_WRITE] > 100)
201                 o->rwmix[DDIR_WRITE] = 100 - o->rwmix[DDIR_READ];
202
203         if (o->write_iolog_file && o->read_iolog_file) {
204                 log_err("fio: read iolog overrides write_iolog\n");
205                 free(o->write_iolog_file);
206                 o->write_iolog_file = NULL;
207         }
208
209         if (td->io_ops->flags & FIO_SYNCIO)
210                 o->iodepth = 1;
211         else {
212                 if (!o->iodepth)
213                         o->iodepth = o->open_files;
214         }
215
216         /*
217          * only really works for sequential io for now, and with 1 file
218          */
219         if (o->zone_size && td_random(td) && o->open_files == 1)
220                 o->zone_size = 0;
221
222         /*
223          * Reads can do overwrites, we always need to pre-create the file
224          */
225         if (td_read(td) || td_rw(td))
226                 o->overwrite = 1;
227
228         if (!o->min_bs[DDIR_READ])
229                 o->min_bs[DDIR_READ]= o->bs[DDIR_READ];
230         if (!o->max_bs[DDIR_READ])
231                 o->max_bs[DDIR_READ] = o->bs[DDIR_READ];
232         if (!o->min_bs[DDIR_WRITE])
233                 o->min_bs[DDIR_WRITE]= o->bs[DDIR_WRITE];
234         if (!o->max_bs[DDIR_WRITE])
235                 o->max_bs[DDIR_WRITE] = o->bs[DDIR_WRITE];
236
237         o->rw_min_bs = min(o->min_bs[DDIR_READ], o->min_bs[DDIR_WRITE]);
238
239         if (!o->file_size_high)
240                 o->file_size_high = o->file_size_low;
241
242         if (o->norandommap && o->verify != VERIFY_NONE) {
243                 log_err("fio: norandommap given, verify disabled\n");
244                 o->verify = VERIFY_NONE;
245         }
246         if (o->bs_unaligned && (o->odirect || td->io_ops->flags & FIO_RAWIO))
247                 log_err("fio: bs_unaligned may not work with raw io\n");
248
249         /*
250          * thinktime_spin must be less than thinktime
251          */
252         if (o->thinktime_spin > o->thinktime)
253                 o->thinktime_spin = o->thinktime;
254
255         /*
256          * The low water mark cannot be bigger than the iodepth
257          */
258         if (o->iodepth_low > o->iodepth || !o->iodepth_low) {
259                 /*
260                  * syslet work around - if the workload is sequential,
261                  * we want to let the queue drain all the way down to
262                  * avoid seeking between async threads
263                  */
264                 if (!strcmp(td->io_ops->name, "syslet-rw") && !td_random(td))
265                         o->iodepth_low = 1;
266                 else
267                         o->iodepth_low = o->iodepth;
268         }
269
270         /*
271          * If batch number isn't set, default to the same as iodepth
272          */
273         if (o->iodepth_batch > o->iodepth || !o->iodepth_batch)
274                 o->iodepth_batch = o->iodepth;
275
276         if (o->nr_files > td->files_index)
277                 o->nr_files = td->files_index;
278
279         if (o->open_files > o->nr_files || !o->open_files)
280                 o->open_files = o->nr_files;
281
282         if ((o->rate && o->rate_iops) || (o->ratemin && o->rate_iops_min)) {
283                 log_err("fio: rate and rate_iops are mutually exclusive\n");
284                 return 1;
285         }
286         if ((o->rate < o->ratemin) || (o->rate_iops < o->rate_iops_min)) {
287                 log_err("fio: minimum rate exceeds rate\n");
288                 return 1;
289         }
290
291         if (!o->timeout && o->time_based) {
292                 log_err("fio: time_based requires a runtime/timeout setting\n");
293                 o->time_based = 0;
294         }
295
296         return 0;
297 }
298
299 /*
300  * This function leaks the buffer
301  */
302 static char *to_kmg(unsigned int val)
303 {
304         char *buf = malloc(32);
305         char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 };
306         char *p = post;
307
308         do {
309                 if (val & 1023)
310                         break;
311
312                 val >>= 10;
313                 p++;
314         } while (*p);
315
316         snprintf(buf, 31, "%u%c", val, *p);
317         return buf;
318 }
319
320 /* External engines are specified by "external:name.o") */
321 static const char *get_engine_name(const char *str)
322 {
323         char *p = strstr(str, ":");
324
325         if (!p)
326                 return str;
327
328         p++;
329         strip_blank_front(&p);
330         strip_blank_end(p);
331         return p;
332 }
333
334 static int exists_and_not_file(const char *filename)
335 {
336         struct stat sb;
337
338         if (lstat(filename, &sb) == -1)
339                 return 0;
340
341         if (S_ISREG(sb.st_mode))
342                 return 0;
343
344         return 1;
345 }
346
347 /*
348  * Initialize the various random states we need (random io, block size ranges,
349  * read/write mix, etc).
350  */
351 static int init_random_state(struct thread_data *td)
352 {
353         unsigned long seeds[6];
354         int fd;
355
356         fd = open("/dev/urandom", O_RDONLY);
357         if (fd == -1) {
358                 td_verror(td, errno, "open");
359                 return 1;
360         }
361
362         if (read(fd, seeds, sizeof(seeds)) < (int) sizeof(seeds)) {
363                 td_verror(td, EIO, "read");
364                 close(fd);
365                 return 1;
366         }
367
368         close(fd);
369
370         os_random_seed(seeds[0], &td->bsrange_state);
371         os_random_seed(seeds[1], &td->verify_state);
372         os_random_seed(seeds[2], &td->rwmix_state);
373
374         if (td->o.file_service_type == FIO_FSERVICE_RANDOM)
375                 os_random_seed(seeds[3], &td->next_file_state);
376
377         os_random_seed(seeds[5], &td->file_size_state);
378
379         if (!td_random(td))
380                 return 0;
381
382         if (td->o.rand_repeatable)
383                 seeds[4] = FIO_RANDSEED * td->thread_number;
384
385         os_random_seed(seeds[4], &td->random_state);
386         return 0;
387 }
388
389 /*
390  * Adds a job to the list of things todo. Sanitizes the various options
391  * to make sure we don't have conflicts, and initializes various
392  * members of td.
393  */
394 static int add_job(struct thread_data *td, const char *jobname, int job_add_num)
395 {
396         const char *ddir_str[] = { NULL, "read", "write", "rw", NULL,
397                                    "randread", "randwrite", "randrw" };
398         unsigned int i;
399         const char *engine;
400         char fname[PATH_MAX];
401         int numjobs, file_alloced;
402
403         /*
404          * the def_thread is just for options, it's not a real job
405          */
406         if (td == &def_thread)
407                 return 0;
408
409         /*
410          * if we are just dumping the output command line, don't add the job
411          */
412         if (dump_cmdline) {
413                 put_job(td);
414                 return 0;
415         }
416
417         engine = get_engine_name(td->o.ioengine);
418         td->io_ops = load_ioengine(td, engine);
419         if (!td->io_ops) {
420                 log_err("fio: failed to load engine %s\n", engine);
421                 goto err;
422         }
423
424         if (td->o.use_thread)
425                 nr_thread++;
426         else
427                 nr_process++;
428
429         if (td->o.odirect)
430                 td->io_ops->flags |= FIO_RAWIO;
431
432         file_alloced = 0;
433         if (!td->o.filename && !td->files_index) {
434                 file_alloced = 1;
435
436                 if (td->o.nr_files == 1 && exists_and_not_file(jobname))
437                         add_file(td, jobname);
438                 else {
439                         for (i = 0; i < td->o.nr_files; i++) {
440                                 sprintf(fname, "%s.%d.%d", jobname, td->thread_number, i);
441                                 add_file(td, fname);
442                         }
443                 }
444         }
445
446         if (fixup_options(td))
447                 goto err;
448
449         if (td->io_ops->flags & FIO_DISKLESSIO) {
450                 struct fio_file *f;
451
452                 for_each_file(td, f, i)
453                         f->real_file_size = -1ULL;
454         }
455
456         td->mutex = fio_sem_init(0);
457
458         td->ts.clat_stat[0].min_val = td->ts.clat_stat[1].min_val = ULONG_MAX;
459         td->ts.slat_stat[0].min_val = td->ts.slat_stat[1].min_val = ULONG_MAX;
460         td->ts.bw_stat[0].min_val = td->ts.bw_stat[1].min_val = ULONG_MAX;
461         td->ddir_nr = td->o.ddir_nr;
462
463         if ((td->o.stonewall || td->o.numjobs > 1 || td->o.new_group)
464              && prev_group_jobs) {
465                 prev_group_jobs = 0;
466                 groupid++;
467         }
468
469         td->groupid = groupid;
470         prev_group_jobs++;
471
472         if (init_random_state(td))
473                 goto err;
474
475         if (setup_rate(td))
476                 goto err;
477
478         if (td->o.write_lat_log) {
479                 setup_log(&td->ts.slat_log);
480                 setup_log(&td->ts.clat_log);
481         }
482         if (td->o.write_bw_log)
483                 setup_log(&td->ts.bw_log);
484
485         if (!td->o.name)
486                 td->o.name = strdup(jobname);
487
488         if (!terse_output) {
489                 if (!job_add_num) {
490                         if (!strcmp(td->io_ops->name, "cpuio"))
491                                 log_info("%s: ioengine=cpu, cpuload=%u, cpucycle=%u\n", td->o.name, td->o.cpuload, td->o.cpucycle);
492                         else {
493                                 char *c1, *c2, *c3, *c4;
494
495                                 c1 = to_kmg(td->o.min_bs[DDIR_READ]);
496                                 c2 = to_kmg(td->o.max_bs[DDIR_READ]);
497                                 c3 = to_kmg(td->o.min_bs[DDIR_WRITE]);
498                                 c4 = to_kmg(td->o.max_bs[DDIR_WRITE]);
499
500                                 log_info("%s: (g=%d): rw=%s, bs=%s-%s/%s-%s, ioengine=%s, iodepth=%u\n", td->o.name, td->groupid, ddir_str[td->o.td_ddir], c1, c2, c3, c4, td->io_ops->name, td->o.iodepth);
501
502                                 free(c1);
503                                 free(c2);
504                                 free(c3);
505                                 free(c4);
506                         }
507                 } else if (job_add_num == 1)
508                         log_info("...\n");
509         }
510
511         /*
512          * recurse add identical jobs, clear numjobs and stonewall options
513          * as they don't apply to sub-jobs
514          */
515         numjobs = td->o.numjobs;
516         while (--numjobs) {
517                 struct thread_data *td_new = get_new_job(0, td);
518
519                 if (!td_new)
520                         goto err;
521
522                 td_new->o.numjobs = 1;
523                 td_new->o.stonewall = 0;
524                 td_new->o.new_group = 0;
525
526                 if (file_alloced) {
527                         td_new->o.filename = NULL;
528                         td_new->files_index = 0;
529                         td_new->files = NULL;
530                 }
531
532                 job_add_num = numjobs - 1;
533
534                 if (add_job(td_new, jobname, job_add_num))
535                         goto err;
536         }
537
538         return 0;
539 err:
540         put_job(td);
541         return -1;
542 }
543
544 static int is_empty_or_comment(char *line)
545 {
546         unsigned int i;
547
548         for (i = 0; i < strlen(line); i++) {
549                 if (line[i] == ';')
550                         return 1;
551                 if (line[i] == '#')
552                         return 1;
553                 if (!isspace(line[i]) && !iscntrl(line[i]))
554                         return 0;
555         }
556
557         return 1;
558 }
559
560 /*
561  * This is our [ini] type file parser.
562  */
563 static int parse_jobs_ini(char *file, int stonewall_flag)
564 {
565         unsigned int global;
566         struct thread_data *td;
567         char *string, *name;
568         FILE *f;
569         char *p;
570         int ret = 0, stonewall;
571         int first_sect = 1;
572         int skip_fgets = 0;
573
574         if (!strcmp(file, "-"))
575                 f = stdin;
576         else
577                 f = fopen(file, "r");
578
579         if (!f) {
580                 perror("fopen job file");
581                 return 1;
582         }
583
584         string = malloc(4096);
585
586         /*
587          * it's really 256 + small bit, 280 should suffice
588          */
589         name = malloc(280);
590         memset(name, 0, 280);
591
592         stonewall = stonewall_flag;
593         do {
594                 /*
595                  * if skip_fgets is set, we already have loaded a line we
596                  * haven't handled.
597                  */
598                 if (!skip_fgets) {
599                         p = fgets(string, 4095, f);
600                         if (!p)
601                                 break;
602                 }
603
604                 skip_fgets = 0;
605                 strip_blank_front(&p);
606                 strip_blank_end(p);
607
608                 if (is_empty_or_comment(p))
609                         continue;
610                 if (sscanf(p, "[%255s]", name) != 1) {
611                         log_err("fio: option <%s> outside of [] job section\n", p);
612                         break;
613                 }
614
615                 global = !strncmp(name, "global", 6);
616
617                 name[strlen(name) - 1] = '\0';
618
619                 if (dump_cmdline) {
620                         if (first_sect)
621                                 log_info("fio ");
622                         if (!global)
623                                 log_info("--name=%s ", name);
624                         first_sect = 0;
625                 }
626
627                 td = get_new_job(global, &def_thread);
628                 if (!td) {
629                         ret = 1;
630                         break;
631                 }
632
633                 /*
634                  * Seperate multiple job files by a stonewall
635                  */
636                 if (!global && stonewall) {
637                         td->o.stonewall = stonewall;
638                         stonewall = 0;
639                 }
640
641                 while ((p = fgets(string, 4096, f)) != NULL) {
642                         if (is_empty_or_comment(p))
643                                 continue;
644
645                         strip_blank_front(&p);
646
647                         /*
648                          * new section, break out and make sure we don't
649                          * fgets() a new line at the top.
650                          */
651                         if (p[0] == '[') {
652                                 skip_fgets = 1;
653                                 break;
654                         }
655
656                         strip_blank_end(p);
657
658                         /*
659                          * Don't break here, continue parsing options so we
660                          * dump all the bad ones. Makes trial/error fixups
661                          * easier on the user.
662                          */
663                         ret |= fio_option_parse(td, p);
664                         if (!ret && dump_cmdline)
665                                 log_info("--%s ", p);
666                 }
667
668                 if (!ret)
669                         ret = add_job(td, name, 0);
670                 else {
671                         log_err("fio: job %s dropped\n", name);
672                         put_job(td);
673                 }
674         } while (!ret);
675
676         if (dump_cmdline)
677                 log_info("\n");
678
679         free(string);
680         free(name);
681         if (f != stdin)
682                 fclose(f);
683         return ret;
684 }
685
686 static int fill_def_thread(void)
687 {
688         memset(&def_thread, 0, sizeof(def_thread));
689
690         fio_getaffinity(getpid(), &def_thread.o.cpumask);
691
692         /*
693          * fill default options
694          */
695         fio_fill_default_options(&def_thread);
696
697         def_thread.o.timeout = def_timeout;
698         def_thread.o.write_bw_log = write_bw_log;
699         def_thread.o.write_lat_log = write_lat_log;
700
701         return 0;
702 }
703
704 static void free_shm(void)
705 {
706         struct shmid_ds sbuf;
707
708         if (threads) {
709                 shmdt((void *) threads);
710                 threads = NULL;
711                 shmctl(shm_id, IPC_RMID, &sbuf);
712         }
713 }
714
715 /*
716  * The thread area is shared between the main process and the job
717  * threads/processes. So setup a shared memory segment that will hold
718  * all the job info.
719  */
720 static int setup_thread_area(void)
721 {
722         /*
723          * 1024 is too much on some machines, scale max_jobs if
724          * we get a failure that looks like too large a shm segment
725          */
726         do {
727                 size_t size = max_jobs * sizeof(struct thread_data);
728
729                 shm_id = shmget(0, size, IPC_CREAT | 0600);
730                 if (shm_id != -1)
731                         break;
732                 if (errno != EINVAL) {
733                         perror("shmget");
734                         break;
735                 }
736
737                 max_jobs >>= 1;
738         } while (max_jobs);
739
740         if (shm_id == -1)
741                 return 1;
742
743         threads = shmat(shm_id, NULL, 0);
744         if (threads == (void *) -1) {
745                 perror("shmat");
746                 return 1;
747         }
748
749         atexit(free_shm);
750         return 0;
751 }
752
753 static void usage(void)
754 {
755         printf("%s\n", fio_version_string);
756         printf("\t--output\tWrite output to file\n");
757         printf("\t--timeout\tRuntime in seconds\n");
758         printf("\t--latency-log\tGenerate per-job latency logs\n");
759         printf("\t--bandwidth-log\tGenerate per-job bandwidth logs\n");
760         printf("\t--minimal\tMinimal (terse) output\n");
761         printf("\t--version\tPrint version info and exit\n");
762         printf("\t--help\t\tPrint this page\n");
763         printf("\t--cmdhelp=cmd\tPrint command help, \"all\" for all of them\n");
764         printf("\t--showcmd\tTurn a job file into command line options\n");
765         printf("\t--eta=when\tWhen ETA estimate should be printed\n");
766         printf("\t          \tMay be \"always\", \"never\" or \"auto\"\n");
767 }
768
769 static int parse_cmd_line(int argc, char *argv[])
770 {
771         struct thread_data *td = NULL;
772         int c, ini_idx = 0, lidx, ret, dont_add_job = 0;
773
774         while ((c = getopt_long_only(argc, argv, "", long_options, &lidx)) != -1) {
775                 switch (c) {
776                 case 't':
777                         def_timeout = atoi(optarg);
778                         break;
779                 case 'l':
780                         write_lat_log = 1;
781                         break;
782                 case 'w':
783                         write_bw_log = 1;
784                         break;
785                 case 'o':
786                         f_out = fopen(optarg, "w+");
787                         if (!f_out) {
788                                 perror("fopen output");
789                                 exit(1);
790                         }
791                         f_err = f_out;
792                         break;
793                 case 'm':
794                         terse_output = 1;
795                         break;
796                 case 'h':
797                         usage();
798                         exit(0);
799                 case 'c':
800                         exit(fio_show_option_help(optarg));
801                 case 's':
802                         dump_cmdline = 1;
803                         break;
804                 case 'r':
805                         read_only = 1;
806                         break;
807                 case 'v':
808                         printf("%s\n", fio_version_string);
809                         exit(0);
810                 case 'e':
811                         if (!strcmp("always", optarg))
812                                 eta_print = FIO_ETA_ALWAYS;
813                         else if (!strcmp("never", optarg))
814                                 eta_print = FIO_ETA_NEVER;
815                         break;
816                 case FIO_GETOPT_JOB: {
817                         const char *opt = long_options[lidx].name;
818                         char *val = optarg;
819
820                         if (!strncmp(opt, "name", 4) && td) {
821                                 ret = add_job(td, td->o.name ?: "fio", 0);
822                                 if (ret) {
823                                         put_job(td);
824                                         return 0;
825                                 }
826                                 td = NULL;
827                         }
828                         if (!td) {
829                                 int global = 0;
830
831                                 if (strncmp(opt, "name", 4) ||
832                                     !strncmp(val, "global", 6))
833                                         global = 1;
834
835                                 td = get_new_job(global, &def_thread);
836                                 if (!td)
837                                         return 0;
838                         }
839
840                         ret = fio_cmd_option_parse(td, opt, val);
841                         if (ret)
842                                 dont_add_job = 1;
843                         break;
844                 }
845                 default:
846                         break;
847                 }
848         }
849
850         if (td) {
851                 if (dont_add_job)
852                         put_job(td);
853                 else {
854                         ret = add_job(td, td->o.name ?: "fio", 0);
855                         if (ret)
856                                 put_job(td);
857                 }
858         }
859
860         while (optind < argc) {
861                 ini_idx++;
862                 ini_file = realloc(ini_file, ini_idx * sizeof(char *));
863                 ini_file[ini_idx - 1] = strdup(argv[optind]);
864                 optind++;
865         }
866
867         return ini_idx;
868 }
869
870
871 int parse_options(int argc, char *argv[])
872 {
873         int job_files, i;
874
875         f_out = stdout;
876         f_err = stderr;
877
878         fio_options_dup_and_init(long_options);
879
880         if (setup_thread_area())
881                 return 1;
882         if (fill_def_thread())
883                 return 1;
884
885         job_files = parse_cmd_line(argc, argv);
886
887         for (i = 0; i < job_files; i++) {
888                 if (fill_def_thread())
889                         return 1;
890                 if (parse_jobs_ini(ini_file[i], i))
891                         return 1;
892                 free(ini_file[i]);
893         }
894
895         free(ini_file);
896         options_mem_free(&def_thread);
897
898         if (!thread_number) {
899                 if (dump_cmdline)
900                         return 0;
901
902                 log_err("No jobs defined(s)\n");
903                 return 1;
904         }
905
906         return 0;
907 }