Improve logging accuracy
[fio.git] / init.c
CommitLineData
906c8d75 1/*
cb2c86fd 2 * This file contains job initialization and setup functions.
906c8d75 3 */
ebac4655
JA
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 <sys/ipc.h>
ebac4655
JA
12#include <sys/types.h>
13#include <sys/stat.h>
14
15#include "fio.h"
a5e0ee11
O
16#ifndef FIO_NO_HAVE_SHM_H
17#include <sys/shm.h>
18#endif
19
cb2c86fd 20#include "parse.h"
2e5cdb11 21#include "smalloc.h"
380065aa 22#include "filehash.h"
4f5af7b2 23#include "verify.h"
79d16311 24#include "profile.h"
50d16976 25#include "server.h"
f2a2ce0e 26#include "idletime.h"
243bfe19 27#include "filelock.h"
ebac4655 28
f87cc561 29#include "oslib/getopt.h"
984f30c9 30#include "oslib/strcasestr.h"
bf2e821a 31
10aa136b
JA
32#include "crc/test.h"
33
3d43382c 34const char fio_version_string[] = FIO_VERSION;
214e1eca 35
ee738499 36#define FIO_RANDSEED (0xb1899bedUL)
ebac4655 37
214e1eca 38static char **ini_file;
fca70358 39static int max_jobs = FIO_MAX_JOBS;
cca73aa7 40static int dump_cmdline;
25bd16ce 41static long long def_timeout;
111e032d 42static int parse_only;
e1f36503 43
be4ecfdf 44static struct thread_data def_thread;
214e1eca 45struct thread_data *threads = NULL;
10aa136b
JA
46static char **job_sections;
47static int nr_job_sections;
e1f36503 48
214e1eca 49int exitall_on_terminate = 0;
f9cafb12 50int exitall_on_terminate_error = 0;
f3afa57e 51int output_format = FIO_OUTPUT_NORMAL;
5be4c944 52int eta_print = FIO_ETA_AUTO;
e382e661 53int eta_new_line = 0;
214e1eca
JA
54FILE *f_out = NULL;
55FILE *f_err = NULL;
07b3232d 56char *exec_profile = NULL;
a9523c6f 57int warnings_fatal = 0;
4d658652 58int terse_version = 3;
50d16976 59int is_backend = 0;
a37f69b7 60int nr_clients = 0;
e46d8091 61int log_syslog = 0;
ee738499 62
214e1eca 63int write_bw_log = 0;
4241ea8f 64int read_only = 0;
06464907 65int status_interval = 0;
214e1eca 66
ca09be4b 67char *trigger_file = NULL;
ca09be4b 68long long trigger_timeout = 0;
b63efd30
JA
69char *trigger_cmd = NULL;
70char *trigger_remote_cmd = NULL;
ca09be4b 71
d264264a
JA
72char *aux_path = NULL;
73
214e1eca 74static int prev_group_jobs;
b4692828 75
ee56ad50 76unsigned long fio_debug = 0;
5e1d306e
JA
77unsigned int fio_debug_jobno = -1;
78unsigned int *fio_debug_jobp = NULL;
ee56ad50 79
4c6107ff 80static char cmd_optstr[256];
085399db 81static int did_arg;
4c6107ff 82
7a4b8240
JA
83#define FIO_CLIENT_FLAG (1 << 16)
84
b4692828
JA
85/*
86 * Command line options. These will contain the above, plus a few
87 * extra that only pertain to fio itself and not jobs.
88 */
5ec10eaa 89static struct option l_opts[FIO_NR_OPTIONS] = {
b4692828 90 {
08d2a19c 91 .name = (char *) "output",
b4692828 92 .has_arg = required_argument,
7a4b8240 93 .val = 'o' | FIO_CLIENT_FLAG,
b4692828
JA
94 },
95 {
08d2a19c 96 .name = (char *) "timeout",
b4692828 97 .has_arg = required_argument,
7a4b8240 98 .val = 't' | FIO_CLIENT_FLAG,
b4692828
JA
99 },
100 {
08d2a19c 101 .name = (char *) "latency-log",
b4692828 102 .has_arg = required_argument,
7a4b8240 103 .val = 'l' | FIO_CLIENT_FLAG,
b4692828
JA
104 },
105 {
08d2a19c 106 .name = (char *) "bandwidth-log",
b4692828 107 .has_arg = required_argument,
7a4b8240 108 .val = 'b' | FIO_CLIENT_FLAG,
b4692828
JA
109 },
110 {
08d2a19c 111 .name = (char *) "minimal",
c4ec0a1d 112 .has_arg = no_argument,
7a4b8240 113 .val = 'm' | FIO_CLIENT_FLAG,
b4692828 114 },
cc372b17 115 {
f3afa57e 116 .name = (char *) "output-format",
cc372b17 117 .has_arg = optional_argument,
f3afa57e 118 .val = 'F' | FIO_CLIENT_FLAG,
cc372b17 119 },
f6a7df53
JA
120 {
121 .name = (char *) "append-terse",
122 .has_arg = optional_argument,
123 .val = 'f',
124 },
b4692828 125 {
08d2a19c 126 .name = (char *) "version",
b4692828 127 .has_arg = no_argument,
7a4b8240 128 .val = 'v' | FIO_CLIENT_FLAG,
b4692828 129 },
fd28ca49 130 {
08d2a19c 131 .name = (char *) "help",
fd28ca49 132 .has_arg = no_argument,
7a4b8240 133 .val = 'h' | FIO_CLIENT_FLAG,
fd28ca49
JA
134 },
135 {
08d2a19c 136 .name = (char *) "cmdhelp",
320beefe 137 .has_arg = optional_argument,
7a4b8240 138 .val = 'c' | FIO_CLIENT_FLAG,
fd28ca49 139 },
de890a1e 140 {
06464907 141 .name = (char *) "enghelp",
de890a1e 142 .has_arg = optional_argument,
06464907 143 .val = 'i' | FIO_CLIENT_FLAG,
de890a1e 144 },
cca73aa7 145 {
08d2a19c 146 .name = (char *) "showcmd",
cca73aa7 147 .has_arg = no_argument,
7a4b8240 148 .val = 's' | FIO_CLIENT_FLAG,
724e4435
JA
149 },
150 {
08d2a19c 151 .name = (char *) "readonly",
724e4435 152 .has_arg = no_argument,
7a4b8240 153 .val = 'r' | FIO_CLIENT_FLAG,
cca73aa7 154 },
e592a06b 155 {
08d2a19c 156 .name = (char *) "eta",
e592a06b 157 .has_arg = required_argument,
7a4b8240 158 .val = 'e' | FIO_CLIENT_FLAG,
e592a06b 159 },
e382e661
JA
160 {
161 .name = (char *) "eta-newline",
162 .has_arg = required_argument,
163 .val = 'E' | FIO_CLIENT_FLAG,
164 },
ee56ad50 165 {
08d2a19c 166 .name = (char *) "debug",
ee56ad50 167 .has_arg = required_argument,
7a4b8240 168 .val = 'd' | FIO_CLIENT_FLAG,
ee56ad50 169 },
111e032d
JA
170 {
171 .name = (char *) "parse-only",
172 .has_arg = no_argument,
173 .val = 'P' | FIO_CLIENT_FLAG,
174 },
01f06b63 175 {
08d2a19c 176 .name = (char *) "section",
01f06b63 177 .has_arg = required_argument,
7a4b8240 178 .val = 'x' | FIO_CLIENT_FLAG,
01f06b63 179 },
b26317c9
JA
180#ifdef CONFIG_ZLIB
181 {
182 .name = (char *) "inflate-log",
183 .has_arg = required_argument,
184 .val = 'X' | FIO_CLIENT_FLAG,
185 },
186#endif
2b386d25 187 {
08d2a19c 188 .name = (char *) "alloc-size",
2b386d25 189 .has_arg = required_argument,
7a4b8240 190 .val = 'a' | FIO_CLIENT_FLAG,
2b386d25 191 },
9ac8a797 192 {
08d2a19c 193 .name = (char *) "profile",
9ac8a797 194 .has_arg = required_argument,
7a4b8240 195 .val = 'p' | FIO_CLIENT_FLAG,
9ac8a797 196 },
a9523c6f 197 {
08d2a19c 198 .name = (char *) "warnings-fatal",
a9523c6f 199 .has_arg = no_argument,
7a4b8240 200 .val = 'w' | FIO_CLIENT_FLAG,
a9523c6f 201 },
fca70358
JA
202 {
203 .name = (char *) "max-jobs",
204 .has_arg = required_argument,
7a4b8240 205 .val = 'j' | FIO_CLIENT_FLAG,
fca70358 206 },
f57a9c59
JA
207 {
208 .name = (char *) "terse-version",
209 .has_arg = required_argument,
7a4b8240 210 .val = 'V' | FIO_CLIENT_FLAG,
f57a9c59 211 },
50d16976
JA
212 {
213 .name = (char *) "server",
87aa8f19 214 .has_arg = optional_argument,
50d16976
JA
215 .val = 'S',
216 },
e46d8091 217 { .name = (char *) "daemonize",
402668f3 218 .has_arg = required_argument,
e46d8091
JA
219 .val = 'D',
220 },
132159a5
JA
221 {
222 .name = (char *) "client",
223 .has_arg = required_argument,
224 .val = 'C',
225 },
323255cc
JA
226 {
227 .name = (char *) "remote-config",
228 .has_arg = required_argument,
229 .val = 'R',
230 },
7d11f871
JA
231 {
232 .name = (char *) "cpuclock-test",
233 .has_arg = no_argument,
234 .val = 'T',
235 },
fec0f21c
JA
236 {
237 .name = (char *) "crctest",
238 .has_arg = optional_argument,
239 .val = 'G',
240 },
f2a2ce0e
HL
241 {
242 .name = (char *) "idle-prof",
243 .has_arg = required_argument,
244 .val = 'I',
245 },
06464907
JA
246 {
247 .name = (char *) "status-interval",
248 .has_arg = required_argument,
249 .val = 'L',
250 },
ca09be4b 251 {
b63efd30 252 .name = (char *) "trigger-file",
ca09be4b
JA
253 .has_arg = required_argument,
254 .val = 'W',
255 },
256 {
257 .name = (char *) "trigger-timeout",
258 .has_arg = required_argument,
259 .val = 'B',
260 },
b63efd30
JA
261 {
262 .name = (char *) "trigger",
263 .has_arg = required_argument,
264 .val = 'H',
265 },
266 {
267 .name = (char *) "trigger-remote",
268 .has_arg = required_argument,
269 .val = 'J',
270 },
d264264a
JA
271 {
272 .name = (char *) "aux-path",
273 .has_arg = required_argument,
274 .val = 'K',
275 },
b4692828
JA
276 {
277 .name = NULL,
278 },
279};
280
2bb3f0a7 281void free_threads_shm(void)
9d9eb2e7 282{
9d9eb2e7
JA
283 if (threads) {
284 void *tp = threads;
c8931876
JA
285#ifndef CONFIG_NO_SHM
286 struct shmid_ds sbuf;
9d9eb2e7
JA
287
288 threads = NULL;
2bb3f0a7
JA
289 shmdt(tp);
290 shmctl(shm_id, IPC_RMID, &sbuf);
291 shm_id = -1;
c8931876
JA
292#else
293 threads = NULL;
294 free(tp);
295#endif
2bb3f0a7
JA
296 }
297}
298
10aa136b 299static void free_shm(void)
2bb3f0a7
JA
300{
301 if (threads) {
9d9eb2e7 302 file_hash_exit();
9e684a49 303 flow_exit();
9d9eb2e7 304 fio_debug_jobp = NULL;
2bb3f0a7 305 free_threads_shm();
9d9eb2e7
JA
306 }
307
b63efd30
JA
308 free(trigger_file);
309 free(trigger_cmd);
310 free(trigger_remote_cmd);
311 trigger_file = trigger_cmd = trigger_remote_cmd = NULL;
312
eb0c74ae 313 options_free(fio_options, &def_thread);
243bfe19 314 fio_filelock_exit();
9d9eb2e7
JA
315 scleanup();
316}
317
318/*
319 * The thread area is shared between the main process and the job
320 * threads/processes. So setup a shared memory segment that will hold
321 * all the job info. We use the end of the region for keeping track of
322 * open files across jobs, for file sharing.
323 */
324static int setup_thread_area(void)
325{
326 void *hash;
327
328 if (threads)
329 return 0;
330
331 /*
332 * 1024 is too much on some machines, scale max_jobs if
333 * we get a failure that looks like too large a shm segment
334 */
335 do {
336 size_t size = max_jobs * sizeof(struct thread_data);
337
338 size += file_hash_size;
339 size += sizeof(unsigned int);
340
c8931876 341#ifndef CONFIG_NO_SHM
9d9eb2e7
JA
342 shm_id = shmget(0, size, IPC_CREAT | 0600);
343 if (shm_id != -1)
344 break;
f0c77f03 345 if (errno != EINVAL && errno != ENOMEM && errno != ENOSPC) {
9d9eb2e7
JA
346 perror("shmget");
347 break;
348 }
c8931876
JA
349#else
350 threads = malloc(size);
351 if (threads)
352 break;
353#endif
9d9eb2e7
JA
354
355 max_jobs >>= 1;
356 } while (max_jobs);
357
c8931876 358#ifndef CONFIG_NO_SHM
9d9eb2e7
JA
359 if (shm_id == -1)
360 return 1;
361
362 threads = shmat(shm_id, NULL, 0);
363 if (threads == (void *) -1) {
364 perror("shmat");
365 return 1;
366 }
c8931876 367#endif
9d9eb2e7
JA
368
369 memset(threads, 0, max_jobs * sizeof(struct thread_data));
370 hash = (void *) threads + max_jobs * sizeof(struct thread_data);
371 fio_debug_jobp = (void *) hash + file_hash_size;
372 *fio_debug_jobp = -1;
373 file_hash_init(hash);
9e684a49
DE
374
375 flow_init();
376
9d9eb2e7
JA
377 return 0;
378}
379
25bd16ce
JA
380static void set_cmd_options(struct thread_data *td)
381{
382 struct thread_options *o = &td->o;
383
384 if (!o->timeout)
385 o->timeout = def_timeout;
386}
387
c2292325
JA
388static void dump_print_option(struct print_option *p)
389{
390 const char *delim;
391
392 if (!strcmp("description", p->name))
393 delim = "\"";
394 else
395 delim = "";
396
397 log_info("--%s%s", p->name, p->value ? "" : " ");
398 if (p->value)
399 log_info("=%s%s%s ", delim, p->value, delim);
400}
401
402static void dump_opt_list(struct thread_data *td)
403{
404 struct flist_head *entry;
405 struct print_option *p;
406
407 if (flist_empty(&td->opt_list))
408 return;
409
410 flist_for_each(entry, &td->opt_list) {
411 p = flist_entry(entry, struct print_option, list);
412 dump_print_option(p);
413 }
414}
415
416static void fio_dump_options_free(struct thread_data *td)
417{
418 while (!flist_empty(&td->opt_list)) {
419 struct print_option *p;
420
421 p = flist_first_entry(&td->opt_list, struct print_option, list);
422 flist_del_init(&p->list);
423 free(p->name);
424 free(p->value);
425 free(p);
426 }
427}
428
876e1001
JA
429static void copy_opt_list(struct thread_data *dst, struct thread_data *src)
430{
431 struct flist_head *entry;
432
433 if (flist_empty(&src->opt_list))
434 return;
435
436 flist_for_each(entry, &src->opt_list) {
437 struct print_option *srcp, *dstp;
438
439 srcp = flist_entry(entry, struct print_option, list);
440 dstp = malloc(sizeof(*dstp));
441 dstp->name = strdup(srcp->name);
442 if (srcp->value)
443 dstp->value = strdup(srcp->value);
444 else
445 dstp->value = NULL;
446 flist_add_tail(&dstp->list, &dst->opt_list);
447 }
448}
449
906c8d75
JA
450/*
451 * Return a free job structure.
452 */
de890a1e 453static struct thread_data *get_new_job(int global, struct thread_data *parent,
ef3d8e53 454 int preserve_eo, const char *jobname)
ebac4655
JA
455{
456 struct thread_data *td;
457
25bd16ce
JA
458 if (global) {
459 set_cmd_options(&def_thread);
ebac4655 460 return &def_thread;
25bd16ce 461 }
9d9eb2e7
JA
462 if (setup_thread_area()) {
463 log_err("error: failed to setup shm segment\n");
464 return NULL;
465 }
e61f1ec8
BC
466 if (thread_number >= max_jobs) {
467 log_err("error: maximum number of jobs (%d) reached.\n",
468 max_jobs);
ebac4655 469 return NULL;
e61f1ec8 470 }
ebac4655
JA
471
472 td = &threads[thread_number++];
ddaeaa5a 473 *td = *parent;
ebac4655 474
c2292325 475 INIT_FLIST_HEAD(&td->opt_list);
876e1001
JA
476 if (parent != &def_thread)
477 copy_opt_list(td, parent);
c2292325 478
de890a1e
SL
479 td->io_ops = NULL;
480 if (!preserve_eo)
481 td->eo = NULL;
482
e0b0d892
JA
483 td->o.uid = td->o.gid = -1U;
484
cade3ef4 485 dup_files(td, parent);
de890a1e 486 fio_options_mem_dupe(td);
cade3ef4 487
15dc1934
JA
488 profile_add_hooks(td);
489
ebac4655 490 td->thread_number = thread_number;
69bdd6ba 491 td->subjob_number = 0;
108fea77 492
ef3d8e53
JA
493 if (jobname)
494 td->o.name = strdup(jobname);
495
13978e86 496 if (!parent->o.group_reporting || parent == &def_thread)
108fea77
JA
497 stat_number++;
498
25bd16ce 499 set_cmd_options(td);
ebac4655
JA
500 return td;
501}
502
503static void put_job(struct thread_data *td)
504{
549577a7
JA
505 if (td == &def_thread)
506 return;
84dd1886 507
58c55ba0 508 profile_td_exit(td);
9e684a49 509 flow_exit_job(td);
549577a7 510
16edf25d 511 if (td->error)
6d86144d 512 log_info("fio: %s\n", td->verror);
16edf25d 513
7e356b2d 514 fio_options_free(td);
c2292325 515 fio_dump_options_free(td);
de890a1e
SL
516 if (td->io_ops)
517 free_ioengine(td);
7e356b2d 518
ef3d8e53
JA
519 if (td->o.name)
520 free(td->o.name);
521
ebac4655
JA
522 memset(&threads[td->thread_number - 1], 0, sizeof(*td));
523 thread_number--;
524}
525
581e7141 526static int __setup_rate(struct thread_data *td, enum fio_ddir ddir)
127f6865 527{
581e7141 528 unsigned int bs = td->o.min_bs[ddir];
127f6865 529
ff58fced
JA
530 assert(ddir_rw(ddir));
531
ba3e4e0c 532 if (td->o.rate[ddir])
1b8dbf25 533 td->rate_bps[ddir] = td->o.rate[ddir];
ba3e4e0c 534 else
194fffd0 535 td->rate_bps[ddir] = (uint64_t) td->o.rate_iops[ddir] * bs;
127f6865 536
1b8dbf25 537 if (!td->rate_bps[ddir]) {
127f6865
JA
538 log_err("rate lower than supported\n");
539 return -1;
540 }
541
50a8ce86 542 td->rate_next_io_time[ddir] = 0;
89cdea5e 543 td->rate_io_issue_bytes[ddir] = 0;
ff6bb260 544 td->last_usec = 0;
127f6865
JA
545 return 0;
546}
547
581e7141
JA
548static int setup_rate(struct thread_data *td)
549{
550 int ret = 0;
551
552 if (td->o.rate[DDIR_READ] || td->o.rate_iops[DDIR_READ])
553 ret = __setup_rate(td, DDIR_READ);
554 if (td->o.rate[DDIR_WRITE] || td->o.rate_iops[DDIR_WRITE])
555 ret |= __setup_rate(td, DDIR_WRITE);
6eaf09d6
SL
556 if (td->o.rate[DDIR_TRIM] || td->o.rate_iops[DDIR_TRIM])
557 ret |= __setup_rate(td, DDIR_TRIM);
581e7141
JA
558
559 return ret;
560}
561
8347239a
JA
562static int fixed_block_size(struct thread_options *o)
563{
564 return o->min_bs[DDIR_READ] == o->max_bs[DDIR_READ] &&
565 o->min_bs[DDIR_WRITE] == o->max_bs[DDIR_WRITE] &&
6eaf09d6
SL
566 o->min_bs[DDIR_TRIM] == o->max_bs[DDIR_TRIM] &&
567 o->min_bs[DDIR_READ] == o->min_bs[DDIR_WRITE] &&
568 o->min_bs[DDIR_READ] == o->min_bs[DDIR_TRIM];
8347239a
JA
569}
570
23ed19b0
CE
571
572static unsigned long long get_rand_start_delay(struct thread_data *td)
573{
574 unsigned long long delayrange;
c3546b53 575 uint64_t frand_max;
23ed19b0
CE
576 unsigned long r;
577
578 delayrange = td->o.start_delay_high - td->o.start_delay;
579
c3546b53 580 frand_max = rand_max(&td->delay_state);
d6b72507 581 r = __rand(&td->delay_state);
c3546b53 582 delayrange = (unsigned long long) ((double) delayrange * (r / (frand_max + 1.0)));
23ed19b0
CE
583
584 delayrange += td->o.start_delay;
585 return delayrange;
586}
587
dad915e3
JA
588/*
589 * Lazy way of fixing up options that depend on each other. We could also
590 * define option callback handlers, but this is easier.
591 */
4e991c23 592static int fixup_options(struct thread_data *td)
e1f36503 593{
2dc1bbeb 594 struct thread_options *o = &td->o;
eefd98b1 595 int ret = 0;
dad915e3 596
f356d01d 597#ifndef FIO_HAVE_PSHARED_MUTEX
9bbf57cc 598 if (!o->use_thread) {
f356d01d
JA
599 log_info("fio: this platform does not support process shared"
600 " mutexes, forcing use of threads. Use the 'thread'"
601 " option to get rid of this warning.\n");
9bbf57cc 602 o->use_thread = 1;
a9523c6f 603 ret = warnings_fatal;
f356d01d
JA
604 }
605#endif
606
2dc1bbeb 607 if (o->write_iolog_file && o->read_iolog_file) {
076efc7c 608 log_err("fio: read iolog overrides write_iolog\n");
2dc1bbeb
JA
609 free(o->write_iolog_file);
610 o->write_iolog_file = NULL;
a9523c6f 611 ret = warnings_fatal;
076efc7c 612 }
16b462ae 613
16b462ae 614 /*
ed335855 615 * only really works with 1 file
16b462ae 616 */
627aa1a8 617 if (o->zone_size && o->open_files > 1)
2dc1bbeb 618 o->zone_size = 0;
16b462ae 619
ed335855
SN
620 /*
621 * If zone_range isn't specified, backward compatibility dictates it
622 * should be made equal to zone_size.
623 */
624 if (o->zone_size && !o->zone_range)
625 o->zone_range = o->zone_size;
626
16b462ae
JA
627 /*
628 * Reads can do overwrites, we always need to pre-create the file
629 */
630 if (td_read(td) || td_rw(td))
2dc1bbeb 631 o->overwrite = 1;
16b462ae 632
2dc1bbeb 633 if (!o->min_bs[DDIR_READ])
5ec10eaa 634 o->min_bs[DDIR_READ] = o->bs[DDIR_READ];
2dc1bbeb
JA
635 if (!o->max_bs[DDIR_READ])
636 o->max_bs[DDIR_READ] = o->bs[DDIR_READ];
637 if (!o->min_bs[DDIR_WRITE])
5ec10eaa 638 o->min_bs[DDIR_WRITE] = o->bs[DDIR_WRITE];
2dc1bbeb
JA
639 if (!o->max_bs[DDIR_WRITE])
640 o->max_bs[DDIR_WRITE] = o->bs[DDIR_WRITE];
6eaf09d6
SL
641 if (!o->min_bs[DDIR_TRIM])
642 o->min_bs[DDIR_TRIM] = o->bs[DDIR_TRIM];
643 if (!o->max_bs[DDIR_TRIM])
644 o->max_bs[DDIR_TRIM] = o->bs[DDIR_TRIM];
645
2dc1bbeb 646 o->rw_min_bs = min(o->min_bs[DDIR_READ], o->min_bs[DDIR_WRITE]);
6eaf09d6 647 o->rw_min_bs = min(o->min_bs[DDIR_TRIM], o->rw_min_bs);
a00735e6 648
2b7a01d0
JA
649 /*
650 * For random IO, allow blockalign offset other than min_bs.
651 */
652 if (!o->ba[DDIR_READ] || !td_random(td))
653 o->ba[DDIR_READ] = o->min_bs[DDIR_READ];
654 if (!o->ba[DDIR_WRITE] || !td_random(td))
655 o->ba[DDIR_WRITE] = o->min_bs[DDIR_WRITE];
6eaf09d6
SL
656 if (!o->ba[DDIR_TRIM] || !td_random(td))
657 o->ba[DDIR_TRIM] = o->min_bs[DDIR_TRIM];
2b7a01d0
JA
658
659 if ((o->ba[DDIR_READ] != o->min_bs[DDIR_READ] ||
6eaf09d6
SL
660 o->ba[DDIR_WRITE] != o->min_bs[DDIR_WRITE] ||
661 o->ba[DDIR_TRIM] != o->min_bs[DDIR_TRIM]) &&
9bbf57cc 662 !o->norandommap) {
2b7a01d0 663 log_err("fio: Any use of blockalign= turns off randommap\n");
9bbf57cc 664 o->norandommap = 1;
a9523c6f 665 ret = warnings_fatal;
2b7a01d0
JA
666 }
667
2dc1bbeb
JA
668 if (!o->file_size_high)
669 o->file_size_high = o->file_size_low;
9c60ce64 670
23ed19b0
CE
671 if (o->start_delay_high)
672 o->start_delay = get_rand_start_delay(td);
673
8347239a
JA
674 if (o->norandommap && o->verify != VERIFY_NONE
675 && !fixed_block_size(o)) {
676 log_err("fio: norandommap given for variable block sizes, "
83da8fbf 677 "verify limited\n");
a9523c6f 678 ret = warnings_fatal;
bb8895e0 679 }
2dc1bbeb 680 if (o->bs_unaligned && (o->odirect || td->io_ops->flags & FIO_RAWIO))
690adba3 681 log_err("fio: bs_unaligned may not work with raw io\n");
e0a22335 682
48097d5c
JA
683 /*
684 * thinktime_spin must be less than thinktime
685 */
2dc1bbeb
JA
686 if (o->thinktime_spin > o->thinktime)
687 o->thinktime_spin = o->thinktime;
e916b390
JA
688
689 /*
690 * The low water mark cannot be bigger than the iodepth
691 */
67bf9823
JA
692 if (o->iodepth_low > o->iodepth || !o->iodepth_low)
693 o->iodepth_low = o->iodepth;
cb5ab512
JA
694
695 /*
696 * If batch number isn't set, default to the same as iodepth
697 */
2dc1bbeb
JA
698 if (o->iodepth_batch > o->iodepth || !o->iodepth_batch)
699 o->iodepth_batch = o->iodepth;
b5af8293 700
82407585
RP
701 /*
702 * If max batch complete number isn't set or set incorrectly,
703 * default to the same as iodepth_batch_complete_min
704 */
705 if (o->iodepth_batch_complete_min > o->iodepth_batch_complete_max)
706 o->iodepth_batch_complete_max = o->iodepth_batch_complete_min;
707
2dc1bbeb
JA
708 if (o->nr_files > td->files_index)
709 o->nr_files = td->files_index;
9f9214f2 710
2dc1bbeb
JA
711 if (o->open_files > o->nr_files || !o->open_files)
712 o->open_files = o->nr_files;
4e991c23 713
6eaf09d6
SL
714 if (((o->rate[DDIR_READ] + o->rate[DDIR_WRITE] + o->rate[DDIR_TRIM]) &&
715 (o->rate_iops[DDIR_READ] + o->rate_iops[DDIR_WRITE] + o->rate_iops[DDIR_TRIM])) ||
716 ((o->ratemin[DDIR_READ] + o->ratemin[DDIR_WRITE] + o->ratemin[DDIR_TRIM]) &&
717 (o->rate_iops_min[DDIR_READ] + o->rate_iops_min[DDIR_WRITE] + o->rate_iops_min[DDIR_TRIM]))) {
4e991c23 718 log_err("fio: rate and rate_iops are mutually exclusive\n");
a9523c6f 719 ret = 1;
4e991c23 720 }
2af0ad5e
D
721 if ((o->rate[DDIR_READ] && (o->rate[DDIR_READ] < o->ratemin[DDIR_READ])) ||
722 (o->rate[DDIR_WRITE] && (o->rate[DDIR_WRITE] < o->ratemin[DDIR_WRITE])) ||
723 (o->rate[DDIR_TRIM] && (o->rate[DDIR_TRIM] < o->ratemin[DDIR_TRIM])) ||
724 (o->rate_iops[DDIR_READ] && (o->rate_iops[DDIR_READ] < o->rate_iops_min[DDIR_READ])) ||
725 (o->rate_iops[DDIR_WRITE] && (o->rate_iops[DDIR_WRITE] < o->rate_iops_min[DDIR_WRITE])) ||
726 (o->rate_iops[DDIR_TRIM] && (o->rate_iops[DDIR_TRIM] < o->rate_iops_min[DDIR_TRIM]))) {
4e991c23 727 log_err("fio: minimum rate exceeds rate\n");
a9523c6f 728 ret = 1;
4e991c23
JA
729 }
730
cf4464ca
JA
731 if (!o->timeout && o->time_based) {
732 log_err("fio: time_based requires a runtime/timeout setting\n");
733 o->time_based = 0;
a9523c6f 734 ret = warnings_fatal;
cf4464ca
JA
735 }
736
aa31f1f1 737 if (o->fill_device && !o->size)
5921e80c 738 o->size = -1ULL;
5ec10eaa 739
9bbf57cc 740 if (o->verify != VERIFY_NONE) {
996936f9 741 if (td_write(td) && o->do_verify && o->numjobs > 1) {
a9523c6f
JA
742 log_info("Multiple writers may overwrite blocks that "
743 "belong to other jobs. This can cause "
744 "verification failures.\n");
745 ret = warnings_fatal;
746 }
747
7627557b
JA
748 if (!fio_option_is_set(o, refill_buffers))
749 o->refill_buffers = 1;
750
2f1b8e8b
JA
751 if (o->max_bs[DDIR_WRITE] != o->min_bs[DDIR_WRITE] &&
752 !o->verify_interval)
753 o->verify_interval = o->min_bs[DDIR_WRITE];
7ffa8930
JA
754
755 /*
756 * Verify interval must be smaller or equal to the
757 * write size.
758 */
759 if (o->verify_interval > o->min_bs[DDIR_WRITE])
760 o->verify_interval = o->min_bs[DDIR_WRITE];
761 else if (td_read(td) && o->verify_interval > o->min_bs[DDIR_READ])
762 o->verify_interval = o->min_bs[DDIR_READ];
d990588e 763 }
41ccd845 764
9bbf57cc
JA
765 if (o->pre_read) {
766 o->invalidate_cache = 0;
a9523c6f 767 if (td->io_ops->flags & FIO_PIPEIO) {
9c0d2241
JA
768 log_info("fio: cannot pre-read files with an IO engine"
769 " that isn't seekable. Pre-read disabled.\n");
a9523c6f
JA
770 ret = warnings_fatal;
771 }
9c0d2241 772 }
34f1c044 773
ad705bcb
SN
774 if (!o->unit_base) {
775 if (td->io_ops->flags & FIO_BIT_BASED)
776 o->unit_base = 1;
777 else
778 o->unit_base = 8;
779 }
780
67bf9823 781#ifndef CONFIG_FDATASYNC
9bbf57cc 782 if (o->fdatasync_blocks) {
e72fa4d4
JA
783 log_info("fio: this platform does not support fdatasync()"
784 " falling back to using fsync(). Use the 'fsync'"
785 " option instead of 'fdatasync' to get rid of"
786 " this warning\n");
9bbf57cc
JA
787 o->fsync_blocks = o->fdatasync_blocks;
788 o->fdatasync_blocks = 0;
a9523c6f 789 ret = warnings_fatal;
e72fa4d4
JA
790 }
791#endif
792
93bcfd20
BC
793#ifdef WIN32
794 /*
795 * Windows doesn't support O_DIRECT or O_SYNC with the _open interface,
796 * so fail if we're passed those flags
797 */
798 if ((td->io_ops->flags & FIO_SYNCIO) && (td->o.odirect || td->o.sync_io)) {
799 log_err("fio: Windows does not support direct or non-buffered io with"
800 " the synchronous ioengines. Use the 'windowsaio' ioengine"
801 " with 'direct=1' and 'iodepth=1' instead.\n");
802 ret = 1;
803 }
804#endif
805
811ac503
JA
806 /*
807 * For fully compressible data, just zero them at init time.
6269123c
JA
808 * It's faster than repeatedly filling it. For non-zero
809 * compression, we should have refill_buffers set. Set it, unless
810 * the job file already changed it.
811ac503 811 */
6269123c
JA
812 if (o->compress_percentage) {
813 if (o->compress_percentage == 100) {
814 o->zero_buffers = 1;
815 o->compress_percentage = 0;
816 } else if (!fio_option_is_set(o, refill_buffers))
817 o->refill_buffers = 1;
811ac503
JA
818 }
819
5881fda4
JA
820 /*
821 * Using a non-uniform random distribution excludes usage of
822 * a random map
823 */
824 if (td->o.random_distribution != FIO_RAND_DIST_RANDOM)
825 td->o.norandommap = 1;
826
8d916c94
JA
827 /*
828 * If size is set but less than the min block size, complain
829 */
830 if (o->size && o->size < td_min_bs(td)) {
831 log_err("fio: size too small, must be larger than the IO size: %llu\n", (unsigned long long) o->size);
832 ret = 1;
833 }
834
d01612f3
CM
835 /*
836 * O_ATOMIC implies O_DIRECT
837 */
838 if (td->o.oatomic)
839 td->o.odirect = 1;
840
04778baf
JA
841 /*
842 * If randseed is set, that overrides randrepeat
843 */
40fe5e7b 844 if (fio_option_is_set(&td->o, rand_seed))
04778baf
JA
845 td->o.rand_repeatable = 0;
846
b1bebc32
JA
847 if ((td->io_ops->flags & FIO_NOEXTEND) && td->o.file_append) {
848 log_err("fio: can't append/extent with IO engine %s\n", td->io_ops->name);
849 ret = 1;
850 }
851
79c896a1
JA
852 if (fio_option_is_set(o, gtod_cpu)) {
853 fio_gtod_init();
854 fio_gtod_set_cpu(o->gtod_cpu);
855 fio_gtod_offload = 1;
856 }
857
cf8a46a7
JA
858 td->loops = o->loops;
859 if (!td->loops)
860 td->loops = 1;
861
66347cfa
DE
862 if (td->o.block_error_hist && td->o.nr_files != 1) {
863 log_err("fio: block error histogram only available with "
864 "with a single file per job, but %d files "
865 "provided\n", td->o.nr_files);
866 ret = 1;
867 }
868
a9523c6f 869 return ret;
e1f36503
JA
870}
871
f8977ee6
JA
872/*
873 * This function leaks the buffer
874 */
99d633af 875char *fio_uint_to_kmg(unsigned int val)
f8977ee6
JA
876{
877 char *buf = malloc(32);
f3502ba2 878 char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 };
f8977ee6
JA
879 char *p = post;
880
245142ff 881 do {
f8977ee6
JA
882 if (val & 1023)
883 break;
884
885 val >>= 10;
886 p++;
245142ff 887 } while (*p);
f8977ee6 888
98ffb8f3 889 snprintf(buf, 32, "%u%c", val, *p);
f8977ee6
JA
890 return buf;
891}
892
09629a90
JA
893/* External engines are specified by "external:name.o") */
894static const char *get_engine_name(const char *str)
895{
896 char *p = strstr(str, ":");
897
898 if (!p)
899 return str;
900
901 p++;
902 strip_blank_front(&p);
903 strip_blank_end(p);
904 return p;
905}
906
e132cbae
JA
907static int exists_and_not_file(const char *filename)
908{
909 struct stat sb;
910
911 if (lstat(filename, &sb) == -1)
912 return 0;
913
ecc314ba
BC
914 /* \\.\ is the device namespace in Windows, where every file
915 * is a device node */
916 if (S_ISREG(sb.st_mode) && strncmp(filename, "\\\\.\\", 4) != 0)
e132cbae
JA
917 return 0;
918
919 return 1;
920}
921
36dd3379 922static void td_fill_rand_seeds_internal(struct thread_data *td, bool use64)
4c07ad86 923{
36dd3379
JA
924 int i;
925
c3546b53
JA
926 init_rand_seed(&td->bsrange_state, td->rand_seeds[FIO_RAND_BS_OFF], use64);
927 init_rand_seed(&td->verify_state, td->rand_seeds[FIO_RAND_VER_OFF], use64);
36dd3379 928 init_rand_seed(&td->rwmix_state, td->rand_seeds[FIO_RAND_MIX_OFF], false);
4c07ad86
JA
929
930 if (td->o.file_service_type == FIO_FSERVICE_RANDOM)
c3546b53 931 init_rand_seed(&td->next_file_state, td->rand_seeds[FIO_RAND_FILE_OFF], use64);
4c07ad86 932
c3546b53
JA
933 init_rand_seed(&td->file_size_state, td->rand_seeds[FIO_RAND_FILE_SIZE_OFF], use64);
934 init_rand_seed(&td->trim_state, td->rand_seeds[FIO_RAND_TRIM_OFF], use64);
935 init_rand_seed(&td->delay_state, td->rand_seeds[FIO_RAND_START_DELAY], use64);
e7b24047 936 init_rand_seed(&td->poisson_state, td->rand_seeds[FIO_RAND_POISSON_OFF], 0);
36dd3379
JA
937 init_rand_seed(&td->dedupe_state, td->rand_seeds[FIO_DEDUPE_OFF], false);
938 init_rand_seed(&td->zone_state, td->rand_seeds[FIO_RAND_ZONE_OFF], false);
4c07ad86
JA
939
940 if (!td_random(td))
941 return;
942
943 if (td->o.rand_repeatable)
d24945f0 944 td->rand_seeds[FIO_RAND_BLOCK_OFF] = FIO_RANDSEED * td->thread_number;
4c07ad86 945
c3546b53 946 init_rand_seed(&td->random_state, td->rand_seeds[FIO_RAND_BLOCK_OFF], use64);
36dd3379
JA
947
948 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
949 struct frand_state *s = &td->seq_rand_state[i];
950
951 init_rand_seed(s, td->rand_seeds[FIO_RAND_SEQ_RAND_READ_OFF], false);
952 }
5bfc35d7
JA
953}
954
4c07ad86
JA
955void td_fill_rand_seeds(struct thread_data *td)
956{
36dd3379 957 bool use64;
c3546b53 958
56e2a5fc 959 if (td->o.allrand_repeatable) {
5c94b008
JA
960 unsigned int i;
961
962 for (i = 0; i < FIO_RAND_NR_OFFS; i++)
56e2a5fc
CE
963 td->rand_seeds[i] = FIO_RANDSEED * td->thread_number
964 + i;
965 }
966
c3546b53
JA
967 if (td->o.random_generator == FIO_RAND_GEN_TAUSWORTHE64)
968 use64 = 1;
969 else
970 use64 = 0;
971
972 td_fill_rand_seeds_internal(td, use64);
3545a109 973
c3546b53 974 init_rand_seed(&td->buf_state, td->rand_seeds[FIO_RAND_BUF_OFF], use64);
5c94b008 975 frand_copy(&td->buf_state_prev, &td->buf_state);
4c07ad86
JA
976}
977
de890a1e
SL
978/*
979 * Initializes the ioengine configured for a job, if it has not been done so
980 * already.
981 */
982int ioengine_load(struct thread_data *td)
983{
984 const char *engine;
985
986 /*
987 * Engine has already been loaded.
988 */
989 if (td->io_ops)
990 return 0;
6e5c4b8e
JA
991 if (!td->o.ioengine) {
992 log_err("fio: internal fault, no IO engine specified\n");
993 return 1;
994 }
de890a1e
SL
995
996 engine = get_engine_name(td->o.ioengine);
997 td->io_ops = load_ioengine(td, engine);
998 if (!td->io_ops) {
999 log_err("fio: failed to load engine %s\n", engine);
1000 return 1;
1001 }
1002
1003 if (td->io_ops->option_struct_size && td->io_ops->options) {
1004 /*
1005 * In cases where td->eo is set, clone it for a child thread.
1006 * This requires that the parent thread has the same ioengine,
1007 * but that requirement must be enforced by the code which
1008 * cloned the thread.
1009 */
1010 void *origeo = td->eo;
1011 /*
1012 * Otherwise use the default thread options.
1013 */
1014 if (!origeo && td != &def_thread && def_thread.eo &&
1015 def_thread.io_ops->options == td->io_ops->options)
1016 origeo = def_thread.eo;
1017
1018 options_init(td->io_ops->options);
1019 td->eo = malloc(td->io_ops->option_struct_size);
1020 /*
1021 * Use the default thread as an option template if this uses the
1022 * same options structure and there are non-default options
1023 * used.
1024 */
1025 if (origeo) {
1026 memcpy(td->eo, origeo, td->io_ops->option_struct_size);
1027 options_mem_dupe(td->eo, td->io_ops->options);
1028 } else {
1029 memset(td->eo, 0, td->io_ops->option_struct_size);
1030 fill_default_options(td->eo, td->io_ops->options);
1031 }
1032 *(struct thread_data **)td->eo = td;
1033 }
1034
1035 return 0;
1036}
1037
d72be545
JA
1038static void init_flags(struct thread_data *td)
1039{
1040 struct thread_options *o = &td->o;
1041
1042 if (o->verify_backlog)
1043 td->flags |= TD_F_VER_BACKLOG;
1044 if (o->trim_backlog)
1045 td->flags |= TD_F_TRIM_BACKLOG;
1046 if (o->read_iolog_file)
1047 td->flags |= TD_F_READ_IOLOG;
1048 if (o->refill_buffers)
1049 td->flags |= TD_F_REFILL_BUFFERS;
1bf2498d 1050 /*
b04f5905 1051 * Always scramble buffers if asked to
1bf2498d 1052 */
b04f5905
JA
1053 if (o->scramble_buffers && fio_option_is_set(o, scramble_buffers))
1054 td->flags |= TD_F_SCRAMBLE_BUFFERS;
1055 /*
1056 * But also scramble buffers, unless we were explicitly asked
1057 * to zero them.
1058 */
1059 if (o->scramble_buffers && !(o->zero_buffers &&
1060 fio_option_is_set(o, zero_buffers)))
d72be545
JA
1061 td->flags |= TD_F_SCRAMBLE_BUFFERS;
1062 if (o->verify != VERIFY_NONE)
1063 td->flags |= TD_F_VER_NONE;
a9da8ab2
JA
1064
1065 if (o->verify_async || o->io_submit_mode == IO_MODE_OFFLOAD)
1066 td->flags |= TD_F_NEED_LOCK;
d72be545
JA
1067}
1068
9dbc7bfe
JA
1069static int setup_random_seeds(struct thread_data *td)
1070{
1071 unsigned long seed;
1072 unsigned int i;
1073
40fe5e7b 1074 if (!td->o.rand_repeatable && !fio_option_is_set(&td->o, rand_seed))
9dbc7bfe
JA
1075 return init_random_state(td, td->rand_seeds, sizeof(td->rand_seeds));
1076
40fe5e7b 1077 seed = td->o.rand_seed;
04778baf 1078 for (i = 0; i < 4; i++)
9dbc7bfe
JA
1079 seed *= 0x9e370001UL;
1080
1081 for (i = 0; i < FIO_RAND_NR_OFFS; i++) {
87a0ea3b 1082 td->rand_seeds[i] = seed * td->thread_number + i;
9dbc7bfe
JA
1083 seed *= 0x9e370001UL;
1084 }
1085
1086 td_fill_rand_seeds(td);
1087 return 0;
1088}
1089
de98bd30
JA
1090enum {
1091 FPRE_NONE = 0,
1092 FPRE_JOBNAME,
1093 FPRE_JOBNUM,
1094 FPRE_FILENUM
1095};
1096
1097static struct fpre_keyword {
1098 const char *keyword;
1099 size_t strlen;
1100 int key;
1101} fpre_keywords[] = {
1102 { .keyword = "$jobname", .key = FPRE_JOBNAME, },
1103 { .keyword = "$jobnum", .key = FPRE_JOBNUM, },
1104 { .keyword = "$filenum", .key = FPRE_FILENUM, },
1105 { .keyword = NULL, },
1106 };
1107
3660ceae 1108static char *make_filename(char *buf, size_t buf_size,struct thread_options *o,
de98bd30
JA
1109 const char *jobname, int jobnum, int filenum)
1110{
1111 struct fpre_keyword *f;
1112 char copy[PATH_MAX];
b400a20e 1113 size_t dst_left = PATH_MAX - 1;
de98bd30
JA
1114
1115 if (!o->filename_format || !strlen(o->filename_format)) {
1116 sprintf(buf, "%s.%d.%d", jobname, jobnum, filenum);
1117 return NULL;
1118 }
1119
1120 for (f = &fpre_keywords[0]; f->keyword; f++)
1121 f->strlen = strlen(f->keyword);
1122
3660ceae
JA
1123 buf[buf_size - 1] = '\0';
1124 strncpy(buf, o->filename_format, buf_size - 1);
1125
de98bd30
JA
1126 memset(copy, 0, sizeof(copy));
1127 for (f = &fpre_keywords[0]; f->keyword; f++) {
1128 do {
1129 size_t pre_len, post_start = 0;
1130 char *str, *dst = copy;
1131
e25b6d5a 1132 str = strcasestr(buf, f->keyword);
de98bd30
JA
1133 if (!str)
1134 break;
1135
1136 pre_len = str - buf;
1137 if (strlen(str) != f->strlen)
1138 post_start = pre_len + f->strlen;
1139
1140 if (pre_len) {
1141 strncpy(dst, buf, pre_len);
1142 dst += pre_len;
73a467e6 1143 dst_left -= pre_len;
de98bd30
JA
1144 }
1145
1146 switch (f->key) {
73a467e6
JA
1147 case FPRE_JOBNAME: {
1148 int ret;
1149
1150 ret = snprintf(dst, dst_left, "%s", jobname);
1151 if (ret < 0)
1152 break;
17a2be59
JA
1153 else if (ret > dst_left) {
1154 log_err("fio: truncated filename\n");
1155 dst += dst_left;
1156 dst_left = 0;
1157 } else {
1158 dst += ret;
1159 dst_left -= ret;
1160 }
de98bd30 1161 break;
73a467e6
JA
1162 }
1163 case FPRE_JOBNUM: {
1164 int ret;
1165
1166 ret = snprintf(dst, dst_left, "%d", jobnum);
1167 if (ret < 0)
1168 break;
17a2be59
JA
1169 else if (ret > dst_left) {
1170 log_err("fio: truncated filename\n");
1171 dst += dst_left;
1172 dst_left = 0;
1173 } else {
1174 dst += ret;
1175 dst_left -= ret;
1176 }
de98bd30 1177 break;
73a467e6
JA
1178 }
1179 case FPRE_FILENUM: {
1180 int ret;
1181
1182 ret = snprintf(dst, dst_left, "%d", filenum);
1183 if (ret < 0)
1184 break;
17a2be59
JA
1185 else if (ret > dst_left) {
1186 log_err("fio: truncated filename\n");
1187 dst += dst_left;
1188 dst_left = 0;
1189 } else {
1190 dst += ret;
1191 dst_left -= ret;
1192 }
de98bd30 1193 break;
73a467e6 1194 }
de98bd30
JA
1195 default:
1196 assert(0);
1197 break;
1198 }
1199
1200 if (post_start)
73a467e6 1201 strncpy(dst, buf + post_start, dst_left);
de98bd30 1202
3660ceae 1203 strncpy(buf, copy, buf_size - 1);
de98bd30
JA
1204 } while (1);
1205 }
1206
1207 return buf;
1208}
f9633d72
JA
1209
1210int parse_dryrun(void)
1211{
1212 return dump_cmdline || parse_only;
1213}
1214
3a5db920
JA
1215static void gen_log_name(char *name, size_t size, const char *logtype,
1216 const char *logname, unsigned int num,
1217 const char *suf, int per_job)
1218{
1219 if (per_job)
1220 snprintf(name, size, "%s_%s.%d.%s", logname, logtype, num, suf);
1221 else
1222 snprintf(name, size, "%s_%s.%s", logname, logtype, suf);
1223}
1224
9cc8cb91
AK
1225static int check_waitees(char *waitee)
1226{
1227 struct thread_data *td;
1228 int i, ret = 0;
1229
1230 for_each_td(td, i) {
1231 if (td->subjob_number)
1232 continue;
1233
1234 ret += !strcmp(td->o.name, waitee);
1235 }
1236
1237 return ret;
1238}
1239
1240static bool wait_for_ok(const char *jobname, struct thread_options *o)
1241{
1242 int nw;
1243
1244 if (!o->wait_for)
1245 return true;
1246
1247 if (!strcmp(jobname, o->wait_for)) {
1248 log_err("%s: a job cannot wait for itself (wait_for=%s).\n",
1249 jobname, o->wait_for);
1250 return false;
1251 }
1252
1253 if (!(nw = check_waitees(o->wait_for))) {
1254 log_err("%s: waitee job %s unknown.\n", jobname, o->wait_for);
1255 return false;
1256 }
1257
1258 if (nw > 1) {
1259 log_err("%s: multiple waitees %s found,\n"
1260 "please avoid duplicates when using wait_for option.\n",
1261 jobname, o->wait_for);
1262 return false;
1263 }
1264
1265 return true;
1266}
1267
906c8d75
JA
1268/*
1269 * Adds a job to the list of things todo. Sanitizes the various options
1270 * to make sure we don't have conflicts, and initializes various
1271 * members of td.
1272 */
b7cfb2e1 1273static int add_job(struct thread_data *td, const char *jobname, int job_add_num,
46bcd498 1274 int recursed, int client_type)
ebac4655 1275{
af52b345 1276 unsigned int i;
af52b345 1277 char fname[PATH_MAX];
e132cbae 1278 int numjobs, file_alloced;
de98bd30 1279 struct thread_options *o = &td->o;
cb7e0ace 1280 char logname[PATH_MAX + 32];
ebac4655 1281
ebac4655
JA
1282 /*
1283 * the def_thread is just for options, it's not a real job
1284 */
1285 if (td == &def_thread)
1286 return 0;
1287
d72be545
JA
1288 init_flags(td);
1289
cca73aa7
JA
1290 /*
1291 * if we are just dumping the output command line, don't add the job
1292 */
f9633d72 1293 if (parse_dryrun()) {
cca73aa7
JA
1294 put_job(td);
1295 return 0;
1296 }
1297
46bcd498
JA
1298 td->client_type = client_type;
1299
58c55ba0 1300 if (profile_td_init(td))
66251554 1301 goto err;
58c55ba0 1302
de890a1e 1303 if (ioengine_load(td))
205927a3 1304 goto err;
df64119d 1305
de98bd30 1306 if (o->odirect)
690adba3
JA
1307 td->io_ops->flags |= FIO_RAWIO;
1308
e132cbae 1309 file_alloced = 0;
de98bd30 1310 if (!o->filename && !td->files_index && !o->read_iolog_file) {
e132cbae 1311 file_alloced = 1;
80be24f4 1312
de98bd30 1313 if (o->nr_files == 1 && exists_and_not_file(jobname))
5903e7b7 1314 add_file(td, jobname, job_add_num, 0);
7b05a215 1315 else {
de98bd30 1316 for (i = 0; i < o->nr_files; i++)
3660ceae 1317 add_file(td, make_filename(fname, sizeof(fname), o, jobname, job_add_num, i), job_add_num, 0);
af52b345 1318 }
0af7b542 1319 }
ebac4655 1320
4e991c23
JA
1321 if (fixup_options(td))
1322 goto err;
e0a22335 1323
9cc8cb91
AK
1324 /*
1325 * Belongs to fixup_options, but o->name is not necessarily set as yet
1326 */
1327 if (!wait_for_ok(jobname, o))
1328 goto err;
1329
9e684a49
DE
1330 flow_init_job(td);
1331
de890a1e
SL
1332 /*
1333 * IO engines only need this for option callbacks, and the address may
1334 * change in subprocesses.
1335 */
1336 if (td->eo)
1337 *(struct thread_data **)td->eo = NULL;
1338
07eb79df
JA
1339 if (td->io_ops->flags & FIO_DISKLESSIO) {
1340 struct fio_file *f;
1341
1342 for_each_file(td, f, i)
1343 f->real_file_size = -1ULL;
1344 }
1345
521da527 1346 td->mutex = fio_mutex_init(FIO_MUTEX_LOCKED);
ebac4655 1347
de98bd30
JA
1348 td->ts.clat_percentiles = o->clat_percentiles;
1349 td->ts.percentile_precision = o->percentile_precision;
1350 memcpy(td->ts.percentile_list, o->percentile_list, sizeof(o->percentile_list));
83349190 1351
6eaf09d6
SL
1352 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
1353 td->ts.clat_stat[i].min_val = ULONG_MAX;
1354 td->ts.slat_stat[i].min_val = ULONG_MAX;
1355 td->ts.lat_stat[i].min_val = ULONG_MAX;
1356 td->ts.bw_stat[i].min_val = ULONG_MAX;
1357 }
de98bd30 1358 td->ddir_seq_nr = o->ddir_seq_nr;
ebac4655 1359
de98bd30 1360 if ((o->stonewall || o->new_group) && prev_group_jobs) {
3c5df6fa 1361 prev_group_jobs = 0;
ebac4655 1362 groupid++;
d883efbd
JA
1363 if (groupid == INT_MAX) {
1364 log_err("fio: too many groups defined\n");
1365 goto err;
1366 }
3c5df6fa 1367 }
ebac4655
JA
1368
1369 td->groupid = groupid;
3c5df6fa 1370 prev_group_jobs++;
ebac4655 1371
9dbc7bfe 1372 if (setup_random_seeds(td)) {
93bcfd20 1373 td_verror(td, errno, "init_random_state");
9c60ce64 1374 goto err;
93bcfd20 1375 }
9c60ce64 1376
ebac4655
JA
1377 if (setup_rate(td))
1378 goto err;
1379
cb7e0ace 1380 if (o->lat_log_file) {
aee2ab67
JA
1381 struct log_params p = {
1382 .td = td,
1383 .avg_msec = o->log_avg_msec,
1384 .log_type = IO_LOG_TYPE_LAT,
1385 .log_offset = o->log_offset,
1386 .log_gz = o->log_gz,
b26317c9 1387 .log_gz_store = o->log_gz_store,
aee2ab67 1388 };
b26317c9 1389 const char *suf;
aee2ab67 1390
b26317c9
JA
1391 if (p.log_gz_store)
1392 suf = "log.fz";
1393 else
1394 suf = "log";
1395
3a5db920
JA
1396 gen_log_name(logname, sizeof(logname), "lat", o->lat_log_file,
1397 td->thread_number, suf, o->per_job_logs);
aee2ab67 1398 setup_log(&td->lat_log, &p, logname);
3a5db920
JA
1399
1400 gen_log_name(logname, sizeof(logname), "slat", o->lat_log_file,
1401 td->thread_number, suf, o->per_job_logs);
aee2ab67 1402 setup_log(&td->slat_log, &p, logname);
3a5db920
JA
1403
1404 gen_log_name(logname, sizeof(logname), "clat", o->lat_log_file,
1405 td->thread_number, suf, o->per_job_logs);
aee2ab67 1406 setup_log(&td->clat_log, &p, logname);
ebac4655 1407 }
cb7e0ace 1408 if (o->bw_log_file) {
aee2ab67
JA
1409 struct log_params p = {
1410 .td = td,
1411 .avg_msec = o->log_avg_msec,
1412 .log_type = IO_LOG_TYPE_BW,
1413 .log_offset = o->log_offset,
1414 .log_gz = o->log_gz,
b26317c9 1415 .log_gz_store = o->log_gz_store,
aee2ab67 1416 };
b26317c9
JA
1417 const char *suf;
1418
a47591e4
JA
1419 if (fio_option_is_set(o, bw_avg_time))
1420 p.avg_msec = min(o->log_avg_msec, o->bw_avg_time);
1421 else
1422 o->bw_avg_time = p.avg_msec;
1423
b26317c9
JA
1424 if (p.log_gz_store)
1425 suf = "log.fz";
1426 else
1427 suf = "log";
aee2ab67 1428
3a5db920
JA
1429 gen_log_name(logname, sizeof(logname), "bw", o->bw_log_file,
1430 td->thread_number, suf, o->per_job_logs);
aee2ab67 1431 setup_log(&td->bw_log, &p, logname);
cb7e0ace
JA
1432 }
1433 if (o->iops_log_file) {
aee2ab67
JA
1434 struct log_params p = {
1435 .td = td,
1436 .avg_msec = o->log_avg_msec,
1437 .log_type = IO_LOG_TYPE_IOPS,
1438 .log_offset = o->log_offset,
1439 .log_gz = o->log_gz,
b26317c9 1440 .log_gz_store = o->log_gz_store,
aee2ab67 1441 };
b26317c9
JA
1442 const char *suf;
1443
a47591e4
JA
1444 if (fio_option_is_set(o, iops_avg_time))
1445 p.avg_msec = min(o->log_avg_msec, o->iops_avg_time);
1446 else
1447 o->iops_avg_time = p.avg_msec;
1448
b26317c9
JA
1449 if (p.log_gz_store)
1450 suf = "log.fz";
1451 else
1452 suf = "log";
aee2ab67 1453
3a5db920
JA
1454 gen_log_name(logname, sizeof(logname), "iops", o->iops_log_file,
1455 td->thread_number, suf, o->per_job_logs);
aee2ab67 1456 setup_log(&td->iops_log, &p, logname);
cb7e0ace 1457 }
ebac4655 1458
de98bd30
JA
1459 if (!o->name)
1460 o->name = strdup(jobname);
01452055 1461
129fb2d4 1462 if (output_format & FIO_OUTPUT_NORMAL) {
b990b5c0 1463 if (!job_add_num) {
b7cfb2e1 1464 if (is_backend && !recursed)
2f122b13 1465 fio_server_send_add_job(td);
807f9971 1466
0353050f 1467 if (!(td->io_ops->flags & FIO_NOIO)) {
d21e2535
JA
1468 char *c1, *c2, *c3, *c4;
1469 char *c5 = NULL, *c6 = NULL;
f8977ee6 1470
22f80458
JA
1471 c1 = fio_uint_to_kmg(o->min_bs[DDIR_READ]);
1472 c2 = fio_uint_to_kmg(o->max_bs[DDIR_READ]);
1473 c3 = fio_uint_to_kmg(o->min_bs[DDIR_WRITE]);
1474 c4 = fio_uint_to_kmg(o->max_bs[DDIR_WRITE]);
d21e2535
JA
1475
1476 if (!o->bs_is_seq_rand) {
1477 c5 = fio_uint_to_kmg(o->min_bs[DDIR_TRIM]);
1478 c6 = fio_uint_to_kmg(o->max_bs[DDIR_TRIM]);
1479 }
1480
1481 log_info("%s: (g=%d): rw=%s, ", td->o.name,
1482 td->groupid,
1483 ddir_str(o->td_ddir));
1484
1485 if (o->bs_is_seq_rand)
1486 log_info("bs(seq/rand)=%s-%s/%s-%s, ",
1487 c1, c2, c3, c4);
1488 else
1489 log_info("bs=%s-%s/%s-%s/%s-%s, ",
1490 c1, c2, c3, c4, c5, c6);
1491
1492 log_info("ioengine=%s, iodepth=%u\n",
de98bd30 1493 td->io_ops->name, o->iodepth);
f8977ee6
JA
1494
1495 free(c1);
1496 free(c2);
1497 free(c3);
1498 free(c4);
6eaf09d6
SL
1499 free(c5);
1500 free(c6);
f8977ee6 1501 }
b990b5c0 1502 } else if (job_add_num == 1)
6d86144d 1503 log_info("...\n");
c6ae0a5b 1504 }
ebac4655
JA
1505
1506 /*
1507 * recurse add identical jobs, clear numjobs and stonewall options
1508 * as they don't apply to sub-jobs
1509 */
de98bd30 1510 numjobs = o->numjobs;
ebac4655 1511 while (--numjobs) {
ef3d8e53 1512 struct thread_data *td_new = get_new_job(0, td, 1, jobname);
ebac4655
JA
1513
1514 if (!td_new)
1515 goto err;
1516
2dc1bbeb
JA
1517 td_new->o.numjobs = 1;
1518 td_new->o.stonewall = 0;
92c1d41f 1519 td_new->o.new_group = 0;
69bdd6ba 1520 td_new->subjob_number = numjobs;
e132cbae
JA
1521
1522 if (file_alloced) {
455a50fa
CE
1523 if (td_new->files) {
1524 struct fio_file *f;
1525 for_each_file(td_new, f, i) {
1526 if (f->file_name)
ece6d647
AK
1527 sfree(f->file_name);
1528 sfree(f);
455a50fa 1529 }
ece6d647 1530 free(td_new->files);
455a50fa
CE
1531 td_new->files = NULL;
1532 }
ece6d647
AK
1533 td_new->files_index = 0;
1534 td_new->files_size = 0;
455a50fa
CE
1535 if (td_new->o.filename) {
1536 free(td_new->o.filename);
1537 td_new->o.filename = NULL;
1538 }
e132cbae
JA
1539 }
1540
bcbfeefa 1541 if (add_job(td_new, jobname, numjobs, 1, client_type))
ebac4655
JA
1542 goto err;
1543 }
3c5df6fa 1544
ebac4655
JA
1545 return 0;
1546err:
1547 put_job(td);
1548 return -1;
1549}
1550
79d16311
JA
1551/*
1552 * Parse as if 'o' was a command line
1553 */
46bcd498 1554void add_job_opts(const char **o, int client_type)
79d16311
JA
1555{
1556 struct thread_data *td, *td_parent;
1557 int i, in_global = 1;
1558 char jobname[32];
1559
1560 i = 0;
1561 td_parent = td = NULL;
1562 while (o[i]) {
1563 if (!strncmp(o[i], "name", 4)) {
1564 in_global = 0;
1565 if (td)
46bcd498 1566 add_job(td, jobname, 0, 0, client_type);
79d16311
JA
1567 td = NULL;
1568 sprintf(jobname, "%s", o[i] + 5);
1569 }
1570 if (in_global && !td_parent)
ef3d8e53 1571 td_parent = get_new_job(1, &def_thread, 0, jobname);
79d16311
JA
1572 else if (!in_global && !td) {
1573 if (!td_parent)
1574 td_parent = &def_thread;
ef3d8e53 1575 td = get_new_job(0, td_parent, 0, jobname);
79d16311
JA
1576 }
1577 if (in_global)
c2292325 1578 fio_options_parse(td_parent, (char **) &o[i], 1);
79d16311 1579 else
c2292325 1580 fio_options_parse(td, (char **) &o[i], 1);
79d16311
JA
1581 i++;
1582 }
1583
1584 if (td)
46bcd498 1585 add_job(td, jobname, 0, 0, client_type);
79d16311
JA
1586}
1587
01f06b63
JA
1588static int skip_this_section(const char *name)
1589{
ad0a2735
JA
1590 int i;
1591
1592 if (!nr_job_sections)
01f06b63
JA
1593 return 0;
1594 if (!strncmp(name, "global", 6))
1595 return 0;
1596
ad0a2735
JA
1597 for (i = 0; i < nr_job_sections; i++)
1598 if (!strcmp(job_sections[i], name))
1599 return 0;
1600
1601 return 1;
01f06b63
JA
1602}
1603
ebac4655
JA
1604static int is_empty_or_comment(char *line)
1605{
1606 unsigned int i;
1607
1608 for (i = 0; i < strlen(line); i++) {
1609 if (line[i] == ';')
1610 return 1;
5cc2da30
IM
1611 if (line[i] == '#')
1612 return 1;
76cd9378 1613 if (!isspace((int) line[i]) && !iscntrl((int) line[i]))
ebac4655
JA
1614 return 0;
1615 }
1616
1617 return 1;
1618}
1619
07261983
JA
1620/*
1621 * This is our [ini] type file parser.
1622 */
b3270921
AK
1623int __parse_jobs_ini(struct thread_data *td,
1624 char *file, int is_buf, int stonewall_flag, int type,
1625 int nested, char *name, char ***popts, int *aopts, int *nopts)
ebac4655 1626{
b3270921
AK
1627 unsigned int global = 0;
1628 char *string;
ebac4655
JA
1629 FILE *f;
1630 char *p;
0c7e37a0 1631 int ret = 0, stonewall;
097b2991 1632 int first_sect = 1;
ccf8f127 1633 int skip_fgets = 0;
01f06b63 1634 int inside_skip = 0;
3b8b7135
JA
1635 char **opts;
1636 int i, alloc_opts, num_opts;
ebac4655 1637
b3270921
AK
1638 dprint(FD_PARSE, "Parsing ini file %s\n", file);
1639 assert(td || !nested);
1640
50d16976
JA
1641 if (is_buf)
1642 f = NULL;
1643 else {
1644 if (!strcmp(file, "-"))
1645 f = stdin;
1646 else
1647 f = fopen(file, "r");
5a729cbe 1648
50d16976 1649 if (!f) {
323255cc
JA
1650 int __err = errno;
1651
1652 log_err("fio: unable to open '%s' job file\n", file);
02957cd4
JA
1653 if (td)
1654 td_verror(td, __err, "job file open");
50d16976
JA
1655 return 1;
1656 }
ebac4655
JA
1657 }
1658
1659 string = malloc(4096);
7f7e6e59
JA
1660
1661 /*
1662 * it's really 256 + small bit, 280 should suffice
1663 */
b3270921
AK
1664 if (!nested) {
1665 name = malloc(280);
1666 memset(name, 0, 280);
1667 }
ebac4655 1668
b3270921
AK
1669 opts = NULL;
1670 if (nested && popts) {
1671 opts = *popts;
1672 alloc_opts = *aopts;
1673 num_opts = *nopts;
1674 }
1675
1676 if (!opts) {
1677 alloc_opts = 8;
1678 opts = malloc(sizeof(char *) * alloc_opts);
1679 num_opts = 0;
1680 }
3b8b7135 1681
0c7e37a0 1682 stonewall = stonewall_flag;
7c124ac1 1683 do {
ccf8f127
JA
1684 /*
1685 * if skip_fgets is set, we already have loaded a line we
1686 * haven't handled.
1687 */
1688 if (!skip_fgets) {
50d16976
JA
1689 if (is_buf)
1690 p = strsep(&file, "\n");
1691 else
43f74792 1692 p = fgets(string, 4096, f);
ccf8f127
JA
1693 if (!p)
1694 break;
1695 }
cdc7f193 1696
ccf8f127 1697 skip_fgets = 0;
cdc7f193 1698 strip_blank_front(&p);
6c7c7da1 1699 strip_blank_end(p);
cdc7f193 1700
b3270921 1701 dprint(FD_PARSE, "%s\n", p);
ebac4655
JA
1702 if (is_empty_or_comment(p))
1703 continue;
b3270921
AK
1704
1705 if (!nested) {
1706 if (sscanf(p, "[%255[^\n]]", name) != 1) {
1707 if (inside_skip)
1708 continue;
1709
1710 log_err("fio: option <%s> outside of "
1711 "[] job section\n", p);
0e9c21a2 1712 ret = 1;
b3270921
AK
1713 break;
1714 }
1715
1716 name[strlen(name) - 1] = '\0';
1717
1718 if (skip_this_section(name)) {
1719 inside_skip = 1;
01f06b63 1720 continue;
b3270921
AK
1721 } else
1722 inside_skip = 0;
ebac4655 1723
b3270921 1724 dprint(FD_PARSE, "Parsing section [%s]\n", name);
7a4b80a1 1725
b3270921 1726 global = !strncmp(name, "global", 6);
01f06b63 1727
b3270921
AK
1728 if (dump_cmdline) {
1729 if (first_sect)
1730 log_info("fio ");
1731 if (!global)
1732 log_info("--name=%s ", name);
1733 first_sect = 0;
1734 }
ebac4655 1735
b3270921
AK
1736 td = get_new_job(global, &def_thread, 0, name);
1737 if (!td) {
1738 ret = 1;
1739 break;
1740 }
cca73aa7 1741
b3270921
AK
1742 /*
1743 * Separate multiple job files by a stonewall
1744 */
1745 if (!global && stonewall) {
1746 td->o.stonewall = stonewall;
1747 stonewall = 0;
1748 }
ebac4655 1749
b3270921
AK
1750 num_opts = 0;
1751 memset(opts, 0, alloc_opts * sizeof(char *));
972cfd25 1752 }
b3270921
AK
1753 else
1754 skip_fgets = 1;
3b8b7135 1755
50d16976 1756 while (1) {
b3270921
AK
1757 if (!skip_fgets) {
1758 if (is_buf)
1759 p = strsep(&file, "\n");
1760 else
1761 p = fgets(string, 4096, f);
1762 if (!p)
1763 break;
1764 dprint(FD_PARSE, "%s", p);
1765 }
50d16976 1766 else
b3270921 1767 skip_fgets = 0;
50d16976 1768
ebac4655
JA
1769 if (is_empty_or_comment(p))
1770 continue;
e1f36503 1771
b6754f9d 1772 strip_blank_front(&p);
7c124ac1 1773
ccf8f127
JA
1774 /*
1775 * new section, break out and make sure we don't
1776 * fgets() a new line at the top.
1777 */
1778 if (p[0] == '[') {
b3270921
AK
1779 if (nested) {
1780 log_err("No new sections in included files\n");
1781 return 1;
1782 }
1783
ccf8f127 1784 skip_fgets = 1;
7c124ac1 1785 break;
ccf8f127 1786 }
7c124ac1 1787
4ae3f763 1788 strip_blank_end(p);
aea47d44 1789
b3270921 1790 if (!strncmp(p, "include", strlen("include"))) {
c0821a08
AK
1791 char *filename = p + strlen("include") + 1,
1792 *ts, *full_fn = NULL;
1793
1794 /*
1795 * Allow for the include filename
1796 * specification to be relative.
1797 */
1798 if (access(filename, F_OK) &&
1799 (ts = strrchr(file, '/'))) {
1800 int len = ts - file +
1801 strlen(filename) + 2;
1802
1803 if (!(full_fn = calloc(1, len))) {
1804 ret = ENOMEM;
1805 break;
1806 }
1807
1808 strncpy(full_fn,
1809 file, (ts - file) + 1);
1810 strncpy(full_fn + (ts - file) + 1,
1811 filename, strlen(filename));
1812 full_fn[len - 1] = 0;
1813 filename = full_fn;
1814 }
1815
1816 ret = __parse_jobs_ini(td, filename, is_buf,
1817 stonewall_flag, type, 1,
1818 name, &opts,
1819 &alloc_opts, &num_opts);
b3270921 1820
c0821a08
AK
1821 if (ret) {
1822 log_err("Error %d while parsing "
1823 "include file %s\n",
b3270921 1824 ret, filename);
b3270921 1825 }
c0821a08
AK
1826
1827 if (full_fn)
1828 free(full_fn);
1829
1830 if (ret)
1831 break;
1832
b3270921
AK
1833 continue;
1834 }
1835
3b8b7135
JA
1836 if (num_opts == alloc_opts) {
1837 alloc_opts <<= 1;
1838 opts = realloc(opts,
1839 alloc_opts * sizeof(char *));
1840 }
1841
1842 opts[num_opts] = strdup(p);
1843 num_opts++;
ebac4655 1844 }
ebac4655 1845
b3270921
AK
1846 if (nested) {
1847 *popts = opts;
1848 *aopts = alloc_opts;
1849 *nopts = num_opts;
1850 goto out;
1851 }
1852
c2292325
JA
1853 ret = fio_options_parse(td, opts, num_opts);
1854 if (!ret) {
1855 if (dump_cmdline)
1856 dump_opt_list(td);
1857
46bcd498 1858 ret = add_job(td, name, 0, 0, type);
c2292325 1859 } else {
b1508cf9
JA
1860 log_err("fio: job %s dropped\n", name);
1861 put_job(td);
45410acb 1862 }
3b8b7135
JA
1863
1864 for (i = 0; i < num_opts; i++)
1865 free(opts[i]);
1866 num_opts = 0;
7c124ac1 1867 } while (!ret);
ebac4655 1868
cca73aa7
JA
1869 if (dump_cmdline)
1870 log_info("\n");
1871
7e356b2d
JA
1872 i = 0;
1873 while (i < nr_job_sections) {
1874 free(job_sections[i]);
1875 i++;
1876 }
1877
2577594d 1878 free(opts);
b3270921
AK
1879out:
1880 free(string);
1881 if (!nested)
1882 free(name);
50d16976 1883 if (!is_buf && f != stdin)
5a729cbe 1884 fclose(f);
45410acb 1885 return ret;
ebac4655
JA
1886}
1887
b3270921
AK
1888int parse_jobs_ini(char *file, int is_buf, int stonewall_flag, int type)
1889{
1890 return __parse_jobs_ini(NULL, file, is_buf, stonewall_flag, type,
1891 0, NULL, NULL, NULL, NULL);
1892}
1893
ebac4655
JA
1894static int fill_def_thread(void)
1895{
1896 memset(&def_thread, 0, sizeof(def_thread));
66e19a38 1897 INIT_FLIST_HEAD(&def_thread.opt_list);
ebac4655 1898
375b2695 1899 fio_getaffinity(getpid(), &def_thread.o.cpumask);
8b28bd41 1900 def_thread.o.error_dump = 1;
25bd16ce 1901
ebac4655 1902 /*
ee738499 1903 * fill default options
ebac4655 1904 */
214e1eca 1905 fio_fill_default_options(&def_thread);
ebac4655
JA
1906 return 0;
1907}
1908
2236df3d
JA
1909static void show_debug_categories(void)
1910{
44acdcf4 1911#ifdef FIO_INC_DEBUG
2236df3d
JA
1912 struct debug_level *dl = &debug_levels[0];
1913 int curlen, first = 1;
1914
1915 curlen = 0;
1916 while (dl->name) {
1917 int has_next = (dl + 1)->name != NULL;
1918
1919 if (first || curlen + strlen(dl->name) >= 80) {
1920 if (!first) {
1921 printf("\n");
1922 curlen = 0;
1923 }
1924 curlen += printf("\t\t\t%s", dl->name);
1925 curlen += 3 * (8 - 1);
1926 if (has_next)
1927 curlen += printf(",");
1928 } else {
1929 curlen += printf("%s", dl->name);
1930 if (has_next)
1931 curlen += printf(",");
1932 }
1933 dl++;
1934 first = 0;
1935 }
1936 printf("\n");
44acdcf4 1937#endif
2236df3d
JA
1938}
1939
45378b35 1940static void usage(const char *name)
4785f995 1941{
3d43382c 1942 printf("%s\n", fio_version_string);
45378b35 1943 printf("%s [options] [job options] <job file(s)>\n", name);
2236df3d
JA
1944 printf(" --debug=options\tEnable debug logging. May be one/more of:\n");
1945 show_debug_categories();
111e032d 1946 printf(" --parse-only\t\tParse options only, don't start any IO\n");
83881283 1947 printf(" --output\t\tWrite output to file\n");
b2cecdc2 1948 printf(" --runtime\t\tRuntime in seconds\n");
83881283
JA
1949 printf(" --bandwidth-log\tGenerate per-job bandwidth logs\n");
1950 printf(" --minimal\t\tMinimal (terse) output\n");
513e37ee 1951 printf(" --output-format=x\tOutput format (terse,json,json+,normal)\n");
75db6e2c 1952 printf(" --terse-version=x\tSet terse version output format to 'x'\n");
f3afa57e 1953 printf(" --version\t\tPrint version info and exit\n");
83881283 1954 printf(" --help\t\tPrint this page\n");
23893646 1955 printf(" --cpuclock-test\tPerform test/validation of CPU clock\n");
fec0f21c 1956 printf(" --crctest\t\tTest speed of checksum functions\n");
83881283 1957 printf(" --cmdhelp=cmd\t\tPrint command help, \"all\" for all of"
5ec10eaa 1958 " them\n");
de890a1e
SL
1959 printf(" --enghelp=engine\tPrint ioengine help, or list"
1960 " available ioengines\n");
1961 printf(" --enghelp=engine,cmd\tPrint help for an ioengine"
1962 " cmd\n");
83881283
JA
1963 printf(" --showcmd\t\tTurn a job file into command line options\n");
1964 printf(" --eta=when\t\tWhen ETA estimate should be printed\n");
1965 printf(" \t\tMay be \"always\", \"never\" or \"auto\"\n");
e382e661
JA
1966 printf(" --eta-newline=time\tForce a new line for every 'time'");
1967 printf(" period passed\n");
06464907
JA
1968 printf(" --status-interval=t\tForce full status dump every");
1969 printf(" 't' period passed\n");
83881283 1970 printf(" --readonly\t\tTurn on safety read-only checks, preventing"
5ec10eaa 1971 " writes\n");
83881283
JA
1972 printf(" --section=name\tOnly run specified section in job file\n");
1973 printf(" --alloc-size=kb\tSet smalloc pool to this size in kb"
2b386d25 1974 " (def 1024)\n");
83881283
JA
1975 printf(" --warnings-fatal\tFio parser warnings are fatal\n");
1976 printf(" --max-jobs=nr\t\tMaximum number of threads/processes to support\n");
1977 printf(" --server=args\t\tStart a backend fio server\n");
1978 printf(" --daemonize=pidfile\tBackground fio server, write pid to file\n");
1979 printf(" --client=hostname\tTalk to remote backend fio server at hostname\n");
323255cc 1980 printf(" --remote-config=file\tTell fio server to load this local job file\n");
f2a2ce0e
HL
1981 printf(" --idle-prof=option\tReport cpu idleness on a system or percpu basis\n"
1982 "\t\t\t(option=system,percpu) or run unit work\n"
1983 "\t\t\tcalibration only (option=calibrate)\n");
b26317c9
JA
1984#ifdef CONFIG_ZLIB
1985 printf(" --inflate-log=log\tInflate and output compressed log\n");
1986#endif
b63efd30 1987 printf(" --trigger-file=file\tExecute trigger cmd when file exists\n");
ca09be4b 1988 printf(" --trigger-timeout=t\tExecute trigger af this time\n");
b63efd30
JA
1989 printf(" --trigger=cmd\t\tSet this command as local trigger\n");
1990 printf(" --trigger-remote=cmd\tSet this command as remote trigger\n");
d264264a 1991 printf(" --aux-path=path\tUse this path for fio state generated files\n");
aa58d252 1992 printf("\nFio was written by Jens Axboe <jens.axboe@oracle.com>");
bfca2c74
JA
1993 printf("\n Jens Axboe <jaxboe@fusionio.com>");
1994 printf("\n Jens Axboe <axboe@fb.com>\n");
4785f995
JA
1995}
1996
79e48f72 1997#ifdef FIO_INC_DEBUG
ee56ad50 1998struct debug_level debug_levels[] = {
0b8d11ed
JA
1999 { .name = "process",
2000 .help = "Process creation/exit logging",
2001 .shift = FD_PROCESS,
2002 },
2003 { .name = "file",
2004 .help = "File related action logging",
2005 .shift = FD_FILE,
2006 },
2007 { .name = "io",
2008 .help = "IO and IO engine action logging (offsets, queue, completions, etc)",
2009 .shift = FD_IO,
2010 },
2011 { .name = "mem",
2012 .help = "Memory allocation/freeing logging",
2013 .shift = FD_MEM,
2014 },
2015 { .name = "blktrace",
2016 .help = "blktrace action logging",
2017 .shift = FD_BLKTRACE,
2018 },
2019 { .name = "verify",
2020 .help = "IO verification action logging",
2021 .shift = FD_VERIFY,
2022 },
2023 { .name = "random",
2024 .help = "Random generation logging",
2025 .shift = FD_RANDOM,
2026 },
2027 { .name = "parse",
2028 .help = "Parser logging",
2029 .shift = FD_PARSE,
2030 },
2031 { .name = "diskutil",
2032 .help = "Disk utility logging actions",
2033 .shift = FD_DISKUTIL,
2034 },
2035 { .name = "job",
2036 .help = "Logging related to creating/destroying jobs",
2037 .shift = FD_JOB,
2038 },
2039 { .name = "mutex",
2040 .help = "Mutex logging",
2041 .shift = FD_MUTEX
2042 },
2043 { .name = "profile",
2044 .help = "Logging related to profiles",
2045 .shift = FD_PROFILE,
2046 },
2047 { .name = "time",
2048 .help = "Logging related to time keeping functions",
2049 .shift = FD_TIME,
2050 },
2051 { .name = "net",
2052 .help = "Network logging",
2053 .shift = FD_NET,
2054 },
3e260a46
JA
2055 { .name = "rate",
2056 .help = "Rate logging",
2057 .shift = FD_RATE,
2058 },
0c56718d
JA
2059 { .name = "compress",
2060 .help = "Log compression logging",
2061 .shift = FD_COMPRESS,
2062 },
02444ad1 2063 { .name = NULL, },
ee56ad50
JA
2064};
2065
c09823ab 2066static int set_debug(const char *string)
ee56ad50
JA
2067{
2068 struct debug_level *dl;
2069 char *p = (char *) string;
2070 char *opt;
2071 int i;
2072
2706fa00
JA
2073 if (!string)
2074 return 0;
2075
ee56ad50 2076 if (!strcmp(string, "?") || !strcmp(string, "help")) {
ee56ad50
JA
2077 log_info("fio: dumping debug options:");
2078 for (i = 0; debug_levels[i].name; i++) {
2079 dl = &debug_levels[i];
2080 log_info("%s,", dl->name);
2081 }
bd6f78b2 2082 log_info("all\n");
c09823ab 2083 return 1;
ee56ad50
JA
2084 }
2085
2086 while ((opt = strsep(&p, ",")) != NULL) {
2087 int found = 0;
2088
5e1d306e
JA
2089 if (!strncmp(opt, "all", 3)) {
2090 log_info("fio: set all debug options\n");
2091 fio_debug = ~0UL;
2092 continue;
2093 }
2094
ee56ad50
JA
2095 for (i = 0; debug_levels[i].name; i++) {
2096 dl = &debug_levels[i];
5e1d306e
JA
2097 found = !strncmp(opt, dl->name, strlen(dl->name));
2098 if (!found)
2099 continue;
2100
2101 if (dl->shift == FD_JOB) {
2102 opt = strchr(opt, ':');
2103 if (!opt) {
2104 log_err("fio: missing job number\n");
2105 break;
2106 }
2107 opt++;
2108 fio_debug_jobno = atoi(opt);
2109 log_info("fio: set debug jobno %d\n",
2110 fio_debug_jobno);
2111 } else {
ee56ad50 2112 log_info("fio: set debug option %s\n", opt);
bd6f78b2 2113 fio_debug |= (1UL << dl->shift);
ee56ad50 2114 }
5e1d306e 2115 break;
ee56ad50
JA
2116 }
2117
2118 if (!found)
2119 log_err("fio: debug mask %s not found\n", opt);
2120 }
c09823ab 2121 return 0;
ee56ad50 2122}
79e48f72 2123#else
69b98d4c 2124static int set_debug(const char *string)
79e48f72
JA
2125{
2126 log_err("fio: debug tracing not included in build\n");
c09823ab 2127 return 1;
79e48f72
JA
2128}
2129#endif
9ac8a797 2130
4c6107ff
JA
2131static void fio_options_fill_optstring(void)
2132{
2133 char *ostr = cmd_optstr;
2134 int i, c;
2135
2136 c = i = 0;
2137 while (l_opts[i].name) {
2138 ostr[c++] = l_opts[i].val;
2139 if (l_opts[i].has_arg == required_argument)
2140 ostr[c++] = ':';
2141 else if (l_opts[i].has_arg == optional_argument) {
2142 ostr[c++] = ':';
2143 ostr[c++] = ':';
2144 }
2145 i++;
2146 }
2147 ostr[c] = '\0';
2148}
2149
c2c94585
JA
2150static int client_flag_set(char c)
2151{
2152 int i;
2153
2154 i = 0;
2155 while (l_opts[i].name) {
2156 int val = l_opts[i].val;
2157
2158 if (c == (val & 0xff))
2159 return (val & FIO_CLIENT_FLAG);
2160
2161 i++;
2162 }
2163
2164 return 0;
2165}
2166
10aa136b 2167static void parse_cmd_client(void *client, char *opt)
7a4b8240 2168{
fa2ea806 2169 fio_client_add_cmd_option(client, opt);
7a4b8240
JA
2170}
2171
a893c261
JA
2172static void show_closest_option(const char *name)
2173{
2174 int best_option, best_distance;
2175 int i, distance;
2176
2177 while (*name == '-')
2178 name++;
2179
2180 best_option = -1;
2181 best_distance = INT_MAX;
2182 i = 0;
2183 while (l_opts[i].name) {
2184 distance = string_distance(name, l_opts[i].name);
2185 if (distance < best_distance) {
2186 best_distance = distance;
2187 best_option = i;
2188 }
2189 i++;
2190 }
2191
3701636d 2192 if (best_option != -1 && string_distance_ok(name, best_distance))
a893c261
JA
2193 log_err("Did you mean %s?\n", l_opts[best_option].name);
2194}
2195
a666cab8
JA
2196static int parse_output_format(const char *optarg)
2197{
2198 char *p, *orig, *opt;
2199 int ret = 0;
2200
2201 p = orig = strdup(optarg);
2202
2203 output_format = 0;
2204
2205 while ((opt = strsep(&p, ",")) != NULL) {
2206 if (!strcmp(opt, "minimal") ||
2207 !strcmp(opt, "terse") ||
2208 !strcmp(opt, "csv"))
2209 output_format |= FIO_OUTPUT_TERSE;
2210 else if (!strcmp(opt, "json"))
2211 output_format |= FIO_OUTPUT_JSON;
513e37ee
VF
2212 else if (!strcmp(opt, "json+"))
2213 output_format |= (FIO_OUTPUT_JSON | FIO_OUTPUT_JSON_PLUS);
a666cab8
JA
2214 else if (!strcmp(opt, "normal"))
2215 output_format |= FIO_OUTPUT_NORMAL;
2216 else {
2217 log_err("fio: invalid output format %s\n", opt);
2218 ret = 1;
2219 break;
2220 }
2221 }
2222
2223 free(orig);
2224 return ret;
2225}
2226
46bcd498 2227int parse_cmd_line(int argc, char *argv[], int client_type)
ebac4655 2228{
b4692828 2229 struct thread_data *td = NULL;
c09823ab 2230 int c, ini_idx = 0, lidx, ret = 0, do_exit = 0, exit_val = 0;
4c6107ff 2231 char *ostr = cmd_optstr;
402668f3 2232 void *pid_file = NULL;
9bae26e8 2233 void *cur_client = NULL;
81179eec 2234 int backend = 0;
ebac4655 2235
c2c94585
JA
2236 /*
2237 * Reset optind handling, since we may call this multiple times
2238 * for the backend.
2239 */
2240 optind = 1;
7a4b8240 2241
c2c94585
JA
2242 while ((c = getopt_long_only(argc, argv, ostr, l_opts, &lidx)) != -1) {
2243 if ((c & FIO_CLIENT_FLAG) || client_flag_set(c)) {
fa2ea806 2244 parse_cmd_client(cur_client, argv[optind - 1]);
7a4b8240
JA
2245 c &= ~FIO_CLIENT_FLAG;
2246 }
2247
ebac4655 2248 switch (c) {
2b386d25
JA
2249 case 'a':
2250 smalloc_pool_size = atoi(optarg);
2251 break;
b4692828 2252 case 't':
25bd16ce
JA
2253 if (check_str_time(optarg, &def_timeout, 1)) {
2254 log_err("fio: failed parsing time %s\n", optarg);
2255 do_exit++;
2256 exit_val = 1;
2257 }
b4692828
JA
2258 break;
2259 case 'l':
cb7e0ace
JA
2260 log_err("fio: --latency-log is deprecated. Use per-job latency log options.\n");
2261 do_exit++;
2262 exit_val = 1;
b4692828 2263 break;
3d73e5a9 2264 case 'b':
b4692828
JA
2265 write_bw_log = 1;
2266 break;
2267 case 'o':
988da120 2268 if (f_out && f_out != stdout)
5e1d8745
JA
2269 fclose(f_out);
2270
b4692828
JA
2271 f_out = fopen(optarg, "w+");
2272 if (!f_out) {
2273 perror("fopen output");
2274 exit(1);
2275 }
2276 f_err = f_out;
2277 break;
2278 case 'm':
f3afa57e 2279 output_format = FIO_OUTPUT_TERSE;
b4692828 2280 break;
f3afa57e 2281 case 'F':
d10983d7
SH
2282 if (!optarg) {
2283 log_err("fio: missing --output-format argument\n");
2284 exit_val = 1;
2285 do_exit++;
2286 break;
2287 }
a666cab8
JA
2288 if (parse_output_format(optarg)) {
2289 log_err("fio: failed parsing output-format\n");
2290 exit_val = 1;
2291 do_exit++;
2292 break;
2293 }
2b8c71b0 2294 break;
f6a7df53
JA
2295 case 'f':
2296 output_format |= FIO_OUTPUT_TERSE;
2297 break;
b4692828 2298 case 'h':
7d8ea970 2299 did_arg = 1;
7874f8b7 2300 if (!cur_client) {
c2c94585 2301 usage(argv[0]);
7874f8b7
JA
2302 do_exit++;
2303 }
c2c94585 2304 break;
fd28ca49 2305 case 'c':
7d8ea970 2306 did_arg = 1;
7874f8b7 2307 if (!cur_client) {
c2c94585 2308 fio_show_option_help(optarg);
7874f8b7
JA
2309 do_exit++;
2310 }
c2c94585 2311 break;
de890a1e 2312 case 'i':
7d8ea970 2313 did_arg = 1;
de890a1e
SL
2314 if (!cur_client) {
2315 fio_show_ioengine_help(optarg);
2316 do_exit++;
2317 }
2318 break;
cca73aa7 2319 case 's':
7d8ea970 2320 did_arg = 1;
cca73aa7
JA
2321 dump_cmdline = 1;
2322 break;
724e4435
JA
2323 case 'r':
2324 read_only = 1;
2325 break;
b4692828 2326 case 'v':
7d8ea970 2327 did_arg = 1;
7874f8b7 2328 if (!cur_client) {
3d43382c 2329 log_info("%s\n", fio_version_string);
7874f8b7
JA
2330 do_exit++;
2331 }
c2c94585 2332 break;
f57a9c59
JA
2333 case 'V':
2334 terse_version = atoi(optarg);
09786f5f
JA
2335 if (!(terse_version == 2 || terse_version == 3 ||
2336 terse_version == 4)) {
f57a9c59
JA
2337 log_err("fio: bad terse version format\n");
2338 exit_val = 1;
2339 do_exit++;
2340 }
2341 break;
e592a06b
AC
2342 case 'e':
2343 if (!strcmp("always", optarg))
2344 eta_print = FIO_ETA_ALWAYS;
2345 else if (!strcmp("never", optarg))
2346 eta_print = FIO_ETA_NEVER;
2347 break;
e382e661
JA
2348 case 'E': {
2349 long long t = 0;
2350
88038bc7 2351 if (check_str_time(optarg, &t, 1)) {
e382e661
JA
2352 log_err("fio: failed parsing eta time %s\n", optarg);
2353 exit_val = 1;
2354 do_exit++;
2355 }
88038bc7 2356 eta_new_line = t / 1000;
e382e661
JA
2357 break;
2358 }
ee56ad50 2359 case 'd':
c09823ab
JA
2360 if (set_debug(optarg))
2361 do_exit++;
ee56ad50 2362 break;
111e032d 2363 case 'P':
7d8ea970 2364 did_arg = 1;
111e032d
JA
2365 parse_only = 1;
2366 break;
ad0a2735
JA
2367 case 'x': {
2368 size_t new_size;
2369
01f06b63 2370 if (!strcmp(optarg, "global")) {
5ec10eaa
JA
2371 log_err("fio: can't use global as only "
2372 "section\n");
c09823ab
JA
2373 do_exit++;
2374 exit_val = 1;
01f06b63
JA
2375 break;
2376 }
ad0a2735
JA
2377 new_size = (nr_job_sections + 1) * sizeof(char *);
2378 job_sections = realloc(job_sections, new_size);
2379 job_sections[nr_job_sections] = strdup(optarg);
2380 nr_job_sections++;
01f06b63 2381 break;
ad0a2735 2382 }
b26317c9
JA
2383#ifdef CONFIG_ZLIB
2384 case 'X':
2385 exit_val = iolog_file_inflate(optarg);
2386 did_arg++;
2387 do_exit++;
2388 break;
2389#endif
9ac8a797 2390 case 'p':
7d8ea970 2391 did_arg = 1;
4af7c007
JA
2392 if (exec_profile)
2393 free(exec_profile);
07b3232d 2394 exec_profile = strdup(optarg);
9ac8a797 2395 break;
b4692828 2396 case FIO_GETOPT_JOB: {
5ec10eaa 2397 const char *opt = l_opts[lidx].name;
b4692828
JA
2398 char *val = optarg;
2399
c2b1e753 2400 if (!strncmp(opt, "name", 4) && td) {
46bcd498 2401 ret = add_job(td, td->o.name ?: "fio", 0, 0, client_type);
66251554 2402 if (ret)
4a4ac4e3 2403 goto out_free;
c2b1e753 2404 td = NULL;
7d8ea970 2405 did_arg = 1;
c2b1e753 2406 }
b4692828 2407 if (!td) {
01f06b63 2408 int is_section = !strncmp(opt, "name", 4);
3106f220
JA
2409 int global = 0;
2410
01f06b63 2411 if (!is_section || !strncmp(val, "global", 6))
3106f220 2412 global = 1;
c2b1e753 2413
01f06b63
JA
2414 if (is_section && skip_this_section(val))
2415 continue;
2416
ef3d8e53 2417 td = get_new_job(global, &def_thread, 1, NULL);
f6ff24cb
JA
2418 if (!td || ioengine_load(td)) {
2419 if (td) {
2420 put_job(td);
2421 td = NULL;
2422 }
2423 do_exit++;
205a719e 2424 exit_val = 1;
f6ff24cb
JA
2425 break;
2426 }
de890a1e 2427 fio_options_set_ioengine_opts(l_opts, td);
b4692828 2428 }
38d0adb0 2429
9d918187
JA
2430 if ((!val || !strlen(val)) &&
2431 l_opts[lidx].has_arg == required_argument) {
2432 log_err("fio: option %s requires an argument\n", opt);
2433 ret = 1;
2434 } else
2435 ret = fio_cmd_option_parse(td, opt, val);
2436
bfb3ea22
JA
2437 if (ret) {
2438 if (td) {
2439 put_job(td);
2440 td = NULL;
2441 }
a88c8c14 2442 do_exit++;
205a719e 2443 exit_val = 1;
bfb3ea22 2444 }
de890a1e
SL
2445
2446 if (!ret && !strcmp(opt, "ioengine")) {
2447 free_ioengine(td);
f6ff24cb 2448 if (ioengine_load(td)) {
342f570e
JA
2449 put_job(td);
2450 td = NULL;
f6ff24cb 2451 do_exit++;
205a719e 2452 exit_val = 1;
f6ff24cb
JA
2453 break;
2454 }
de890a1e
SL
2455 fio_options_set_ioengine_opts(l_opts, td);
2456 }
2457 break;
2458 }
2459 case FIO_GETOPT_IOENGINE: {
2460 const char *opt = l_opts[lidx].name;
2461 char *val = optarg;
b1ed74e0
JA
2462
2463 if (!td)
2464 break;
2465
de890a1e 2466 ret = fio_cmd_ioengine_option_parse(td, opt, val);
b4692828
JA
2467 break;
2468 }
a9523c6f
JA
2469 case 'w':
2470 warnings_fatal = 1;
2471 break;
fca70358
JA
2472 case 'j':
2473 max_jobs = atoi(optarg);
2474 if (!max_jobs || max_jobs > REAL_MAX_JOBS) {
2475 log_err("fio: invalid max jobs: %d\n", max_jobs);
2476 do_exit++;
2477 exit_val = 1;
2478 }
2479 break;
50d16976 2480 case 'S':
7d8ea970 2481 did_arg = 1;
c8931876 2482#ifndef CONFIG_NO_SHM
a37f69b7 2483 if (nr_clients) {
132159a5
JA
2484 log_err("fio: can't be both client and server\n");
2485 do_exit++;
2486 exit_val = 1;
2487 break;
2488 }
87aa8f19 2489 if (optarg)
bebe6398 2490 fio_server_set_arg(optarg);
50d16976 2491 is_backend = 1;
81179eec 2492 backend = 1;
c8931876
JA
2493#else
2494 log_err("fio: client/server requires SHM support\n");
2495 do_exit++;
2496 exit_val = 1;
2497#endif
50d16976 2498 break;
e46d8091 2499 case 'D':
6cfe9a8c
JA
2500 if (pid_file)
2501 free(pid_file);
402668f3 2502 pid_file = strdup(optarg);
e46d8091 2503 break;
f2a2ce0e
HL
2504 case 'I':
2505 if ((ret = fio_idle_prof_parse_opt(optarg))) {
2506 /* exit on error and calibration only */
7d8ea970 2507 did_arg = 1;
f2a2ce0e 2508 do_exit++;
7d8ea970 2509 if (ret == -1)
f2a2ce0e
HL
2510 exit_val = 1;
2511 }
2512 break;
132159a5 2513 case 'C':
7d8ea970 2514 did_arg = 1;
132159a5
JA
2515 if (is_backend) {
2516 log_err("fio: can't be both client and server\n");
2517 do_exit++;
2518 exit_val = 1;
2519 break;
2520 }
08633c32
BE
2521 /* if --client parameter contains a pathname */
2522 if (0 == access(optarg, R_OK)) {
2523 /* file contains a list of host addrs or names */
2972708f 2524 char hostaddr[PATH_MAX] = {0};
08633c32
BE
2525 char formatstr[8];
2526 FILE * hostf = fopen(optarg, "r");
2527 if (!hostf) {
2528 log_err("fio: could not open client list file %s for read\n", optarg);
2529 do_exit++;
2530 exit_val = 1;
2531 break;
2532 }
2972708f
JA
2533 sprintf(formatstr, "%%%ds", PATH_MAX - 1);
2534 /*
2535 * read at most PATH_MAX-1 chars from each
2536 * record in this file
2537 */
08633c32
BE
2538 while (fscanf(hostf, formatstr, hostaddr) == 1) {
2539 /* expect EVERY host in file to be valid */
2540 if (fio_client_add(&fio_client_ops, hostaddr, &cur_client)) {
2541 log_err("fio: failed adding client %s from file %s\n", hostaddr, optarg);
2542 do_exit++;
2543 exit_val = 1;
2544 break;
2545 }
2546 }
2547 fclose(hostf);
2548 break; /* no possibility of job file for "this client only" */
2549 }
a5276616 2550 if (fio_client_add(&fio_client_ops, optarg, &cur_client)) {
bebe6398
JA
2551 log_err("fio: failed adding client %s\n", optarg);
2552 do_exit++;
2553 exit_val = 1;
2554 break;
2555 }
14ea90ed
JA
2556 /*
2557 * If the next argument exists and isn't an option,
2558 * assume it's a job file for this client only.
2559 */
2560 while (optind < argc) {
2561 if (!strncmp(argv[optind], "--", 2) ||
2562 !strncmp(argv[optind], "-", 1))
2563 break;
2564
bb781643 2565 if (fio_client_add_ini_file(cur_client, argv[optind], false))
323255cc 2566 break;
14ea90ed
JA
2567 optind++;
2568 }
132159a5 2569 break;
323255cc
JA
2570 case 'R':
2571 did_arg = 1;
bb781643 2572 if (fio_client_add_ini_file(cur_client, optarg, true)) {
323255cc
JA
2573 do_exit++;
2574 exit_val = 1;
2575 }
2576 break;
7d11f871 2577 case 'T':
7d8ea970 2578 did_arg = 1;
7d11f871 2579 do_exit++;
aad918e4 2580 exit_val = fio_monotonic_clocktest(1);
7d11f871 2581 break;
fec0f21c 2582 case 'G':
7d8ea970 2583 did_arg = 1;
fec0f21c
JA
2584 do_exit++;
2585 exit_val = fio_crctest(optarg);
2586 break;
06464907
JA
2587 case 'L': {
2588 long long val;
2589
88038bc7 2590 if (check_str_time(optarg, &val, 1)) {
06464907
JA
2591 log_err("fio: failed parsing time %s\n", optarg);
2592 do_exit++;
2593 exit_val = 1;
2594 break;
2595 }
88038bc7 2596 status_interval = val / 1000;
06464907
JA
2597 break;
2598 }
b63efd30 2599 case 'W':
f9cbae9e
JA
2600 if (trigger_file)
2601 free(trigger_file);
b63efd30
JA
2602 trigger_file = strdup(optarg);
2603 break;
2604 case 'H':
f9cbae9e
JA
2605 if (trigger_cmd)
2606 free(trigger_cmd);
b63efd30
JA
2607 trigger_cmd = strdup(optarg);
2608 break;
2609 case 'J':
f9cbae9e
JA
2610 if (trigger_remote_cmd)
2611 free(trigger_remote_cmd);
b63efd30 2612 trigger_remote_cmd = strdup(optarg);
ca09be4b 2613 break;
d264264a
JA
2614 case 'K':
2615 if (aux_path)
2616 free(aux_path);
2617 aux_path = strdup(optarg);
2618 break;
ca09be4b
JA
2619 case 'B':
2620 if (check_str_time(optarg, &trigger_timeout, 1)) {
2621 log_err("fio: failed parsing time %s\n", optarg);
2622 do_exit++;
2623 exit_val = 1;
2624 }
2625 trigger_timeout /= 1000000;
2626 break;
798827c8
JA
2627 case '?':
2628 log_err("%s: unrecognized option '%s'\n", argv[0],
2629 argv[optind - 1]);
a893c261 2630 show_closest_option(argv[optind - 1]);
b4692828 2631 default:
c09823ab
JA
2632 do_exit++;
2633 exit_val = 1;
b4692828 2634 break;
ebac4655 2635 }
c7d5c941
JA
2636 if (do_exit)
2637 break;
ebac4655 2638 }
c9fad893 2639
0b14f0a8
JA
2640 if (do_exit && !(is_backend || nr_clients))
2641 exit(exit_val);
536582bf 2642
fb296043
JA
2643 if (nr_clients && fio_clients_connect())
2644 exit(1);
132159a5 2645
81179eec 2646 if (is_backend && backend)
402668f3 2647 return fio_start_server(pid_file);
b8ba87ac
JA
2648 else if (pid_file)
2649 free(pid_file);
50d16976 2650
b4692828 2651 if (td) {
7d8ea970 2652 if (!ret) {
46bcd498 2653 ret = add_job(td, td->o.name ?: "fio", 0, 0, client_type);
7d8ea970
JA
2654 if (ret)
2655 did_arg = 1;
2656 }
972cfd25 2657 }
774a6177 2658
7874f8b7 2659 while (!ret && optind < argc) {
b4692828
JA
2660 ini_idx++;
2661 ini_file = realloc(ini_file, ini_idx * sizeof(char *));
2662 ini_file[ini_idx - 1] = strdup(argv[optind]);
2663 optind++;
eb8bbf48 2664 }
972cfd25 2665
4a4ac4e3
JA
2666out_free:
2667 if (pid_file)
2668 free(pid_file);
2669
972cfd25 2670 return ini_idx;
ebac4655
JA
2671}
2672
0420ba6a 2673int fio_init_options(void)
ebac4655 2674{
b4692828
JA
2675 f_out = stdout;
2676 f_err = stderr;
2677
4c6107ff 2678 fio_options_fill_optstring();
5ec10eaa 2679 fio_options_dup_and_init(l_opts);
b4692828 2680
9d9eb2e7
JA
2681 atexit(free_shm);
2682
ebac4655
JA
2683 if (fill_def_thread())
2684 return 1;
2685
0420ba6a
JA
2686 return 0;
2687}
2688
51167799
JA
2689extern int fio_check_options(struct thread_options *);
2690
0420ba6a
JA
2691int parse_options(int argc, char *argv[])
2692{
46bcd498 2693 const int type = FIO_CLIENT_TYPE_CLI;
0420ba6a
JA
2694 int job_files, i;
2695
2696 if (fio_init_options())
2697 return 1;
51167799
JA
2698 if (fio_test_cconv(&def_thread.o))
2699 log_err("fio: failed internal cconv test\n");
0420ba6a 2700
46bcd498 2701 job_files = parse_cmd_line(argc, argv, type);
ebac4655 2702
cdf54d85
JA
2703 if (job_files > 0) {
2704 for (i = 0; i < job_files; i++) {
bc4f5ef6 2705 if (i && fill_def_thread())
132159a5 2706 return 1;
cdf54d85
JA
2707 if (nr_clients) {
2708 if (fio_clients_send_ini(ini_file[i]))
2709 return 1;
2710 free(ini_file[i]);
2711 } else if (!is_backend) {
46bcd498 2712 if (parse_jobs_ini(ini_file[i], 0, i, type))
cdf54d85
JA
2713 return 1;
2714 free(ini_file[i]);
2715 }
132159a5 2716 }
14ea90ed
JA
2717 } else if (nr_clients) {
2718 if (fill_def_thread())
2719 return 1;
2720 if (fio_clients_send_ini(NULL))
2721 return 1;
972cfd25 2722 }
ebac4655 2723
88c6ed80 2724 free(ini_file);
7e356b2d 2725 fio_options_free(&def_thread);
bcbfeefa 2726 filesetup_mem_free();
b4692828
JA
2727
2728 if (!thread_number) {
f9633d72 2729 if (parse_dryrun())
cca73aa7 2730 return 0;
07b3232d
JA
2731 if (exec_profile)
2732 return 0;
a37f69b7 2733 if (is_backend || nr_clients)
5c341e9a 2734 return 0;
085399db
JA
2735 if (did_arg)
2736 return 0;
cca73aa7 2737
d65e11c6 2738 log_err("No jobs(s) defined\n\n");
085399db
JA
2739
2740 if (!did_arg) {
2741 usage(argv[0]);
2742 return 1;
2743 }
2744
2745 return 0;
b4692828
JA
2746 }
2747
129fb2d4 2748 if (output_format & FIO_OUTPUT_NORMAL)
3d43382c 2749 log_info("%s\n", fio_version_string);
f6dea4d3 2750
ebac4655
JA
2751 return 0;
2752}
588b7f09
JA
2753
2754void options_default_fill(struct thread_options *o)
2755{
2756 memcpy(o, &def_thread.o, sizeof(*o));
2757}
c2292325 2758
66e19a38 2759struct thread_data *get_global_options(void)
c2292325 2760{
66e19a38 2761 return &def_thread;
c2292325 2762}