iolog: fix --bandwidth-log segfaults
[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;
f3afa57e 50int output_format = FIO_OUTPUT_NORMAL;
5be4c944 51int eta_print = FIO_ETA_AUTO;
e382e661 52int eta_new_line = 0;
214e1eca
JA
53FILE *f_out = NULL;
54FILE *f_err = NULL;
07b3232d 55char *exec_profile = NULL;
a9523c6f 56int warnings_fatal = 0;
4d658652 57int terse_version = 3;
50d16976 58int is_backend = 0;
a37f69b7 59int nr_clients = 0;
e46d8091 60int log_syslog = 0;
ee738499 61
214e1eca 62int write_bw_log = 0;
4241ea8f 63int read_only = 0;
06464907 64int status_interval = 0;
214e1eca 65
ca09be4b 66char *trigger_file = NULL;
ca09be4b 67long long trigger_timeout = 0;
b63efd30
JA
68char *trigger_cmd = NULL;
69char *trigger_remote_cmd = NULL;
ca09be4b 70
d264264a
JA
71char *aux_path = NULL;
72
214e1eca 73static int prev_group_jobs;
b4692828 74
ee56ad50 75unsigned long fio_debug = 0;
5e1d306e
JA
76unsigned int fio_debug_jobno = -1;
77unsigned int *fio_debug_jobp = NULL;
ee56ad50 78
4c6107ff 79static char cmd_optstr[256];
085399db 80static int did_arg;
4c6107ff 81
7a4b8240
JA
82#define FIO_CLIENT_FLAG (1 << 16)
83
b4692828
JA
84/*
85 * Command line options. These will contain the above, plus a few
86 * extra that only pertain to fio itself and not jobs.
87 */
5ec10eaa 88static struct option l_opts[FIO_NR_OPTIONS] = {
b4692828 89 {
08d2a19c 90 .name = (char *) "output",
b4692828 91 .has_arg = required_argument,
7a4b8240 92 .val = 'o' | FIO_CLIENT_FLAG,
b4692828
JA
93 },
94 {
08d2a19c 95 .name = (char *) "timeout",
b4692828 96 .has_arg = required_argument,
7a4b8240 97 .val = 't' | FIO_CLIENT_FLAG,
b4692828
JA
98 },
99 {
08d2a19c 100 .name = (char *) "latency-log",
b4692828 101 .has_arg = required_argument,
7a4b8240 102 .val = 'l' | FIO_CLIENT_FLAG,
b4692828
JA
103 },
104 {
08d2a19c 105 .name = (char *) "bandwidth-log",
2fd6fad5 106 .has_arg = no_argument,
7a4b8240 107 .val = 'b' | FIO_CLIENT_FLAG,
b4692828
JA
108 },
109 {
08d2a19c 110 .name = (char *) "minimal",
c4ec0a1d 111 .has_arg = no_argument,
7a4b8240 112 .val = 'm' | FIO_CLIENT_FLAG,
b4692828 113 },
cc372b17 114 {
f3afa57e 115 .name = (char *) "output-format",
d2c87a78 116 .has_arg = required_argument,
f3afa57e 117 .val = 'F' | FIO_CLIENT_FLAG,
cc372b17 118 },
f6a7df53
JA
119 {
120 .name = (char *) "append-terse",
121 .has_arg = optional_argument,
122 .val = 'f',
123 },
b4692828 124 {
08d2a19c 125 .name = (char *) "version",
b4692828 126 .has_arg = no_argument,
7a4b8240 127 .val = 'v' | FIO_CLIENT_FLAG,
b4692828 128 },
fd28ca49 129 {
08d2a19c 130 .name = (char *) "help",
fd28ca49 131 .has_arg = no_argument,
7a4b8240 132 .val = 'h' | FIO_CLIENT_FLAG,
fd28ca49
JA
133 },
134 {
08d2a19c 135 .name = (char *) "cmdhelp",
320beefe 136 .has_arg = optional_argument,
7a4b8240 137 .val = 'c' | FIO_CLIENT_FLAG,
fd28ca49 138 },
de890a1e 139 {
06464907 140 .name = (char *) "enghelp",
de890a1e 141 .has_arg = optional_argument,
06464907 142 .val = 'i' | FIO_CLIENT_FLAG,
de890a1e 143 },
cca73aa7 144 {
08d2a19c 145 .name = (char *) "showcmd",
cca73aa7 146 .has_arg = no_argument,
7a4b8240 147 .val = 's' | FIO_CLIENT_FLAG,
724e4435
JA
148 },
149 {
08d2a19c 150 .name = (char *) "readonly",
724e4435 151 .has_arg = no_argument,
7a4b8240 152 .val = 'r' | FIO_CLIENT_FLAG,
cca73aa7 153 },
e592a06b 154 {
08d2a19c 155 .name = (char *) "eta",
e592a06b 156 .has_arg = required_argument,
7a4b8240 157 .val = 'e' | FIO_CLIENT_FLAG,
e592a06b 158 },
e382e661
JA
159 {
160 .name = (char *) "eta-newline",
161 .has_arg = required_argument,
162 .val = 'E' | FIO_CLIENT_FLAG,
163 },
ee56ad50 164 {
08d2a19c 165 .name = (char *) "debug",
ee56ad50 166 .has_arg = required_argument,
7a4b8240 167 .val = 'd' | FIO_CLIENT_FLAG,
ee56ad50 168 },
111e032d
JA
169 {
170 .name = (char *) "parse-only",
171 .has_arg = no_argument,
172 .val = 'P' | FIO_CLIENT_FLAG,
173 },
01f06b63 174 {
08d2a19c 175 .name = (char *) "section",
01f06b63 176 .has_arg = required_argument,
7a4b8240 177 .val = 'x' | FIO_CLIENT_FLAG,
01f06b63 178 },
b26317c9
JA
179#ifdef CONFIG_ZLIB
180 {
181 .name = (char *) "inflate-log",
182 .has_arg = required_argument,
183 .val = 'X' | FIO_CLIENT_FLAG,
184 },
185#endif
2b386d25 186 {
08d2a19c 187 .name = (char *) "alloc-size",
2b386d25 188 .has_arg = required_argument,
7a4b8240 189 .val = 'a' | FIO_CLIENT_FLAG,
2b386d25 190 },
9ac8a797 191 {
08d2a19c 192 .name = (char *) "profile",
9ac8a797 193 .has_arg = required_argument,
7a4b8240 194 .val = 'p' | FIO_CLIENT_FLAG,
9ac8a797 195 },
a9523c6f 196 {
08d2a19c 197 .name = (char *) "warnings-fatal",
a9523c6f 198 .has_arg = no_argument,
7a4b8240 199 .val = 'w' | FIO_CLIENT_FLAG,
a9523c6f 200 },
fca70358
JA
201 {
202 .name = (char *) "max-jobs",
203 .has_arg = required_argument,
7a4b8240 204 .val = 'j' | FIO_CLIENT_FLAG,
fca70358 205 },
f57a9c59
JA
206 {
207 .name = (char *) "terse-version",
208 .has_arg = required_argument,
7a4b8240 209 .val = 'V' | FIO_CLIENT_FLAG,
f57a9c59 210 },
50d16976
JA
211 {
212 .name = (char *) "server",
87aa8f19 213 .has_arg = optional_argument,
50d16976
JA
214 .val = 'S',
215 },
e46d8091 216 { .name = (char *) "daemonize",
402668f3 217 .has_arg = required_argument,
e46d8091
JA
218 .val = 'D',
219 },
132159a5
JA
220 {
221 .name = (char *) "client",
222 .has_arg = required_argument,
223 .val = 'C',
224 },
323255cc
JA
225 {
226 .name = (char *) "remote-config",
227 .has_arg = required_argument,
228 .val = 'R',
229 },
7d11f871
JA
230 {
231 .name = (char *) "cpuclock-test",
232 .has_arg = no_argument,
233 .val = 'T',
234 },
fec0f21c
JA
235 {
236 .name = (char *) "crctest",
237 .has_arg = optional_argument,
238 .val = 'G',
239 },
f2a2ce0e
HL
240 {
241 .name = (char *) "idle-prof",
242 .has_arg = required_argument,
243 .val = 'I',
244 },
06464907
JA
245 {
246 .name = (char *) "status-interval",
247 .has_arg = required_argument,
248 .val = 'L',
249 },
ca09be4b 250 {
b63efd30 251 .name = (char *) "trigger-file",
ca09be4b
JA
252 .has_arg = required_argument,
253 .val = 'W',
254 },
255 {
256 .name = (char *) "trigger-timeout",
257 .has_arg = required_argument,
258 .val = 'B',
259 },
b63efd30
JA
260 {
261 .name = (char *) "trigger",
262 .has_arg = required_argument,
263 .val = 'H',
264 },
265 {
266 .name = (char *) "trigger-remote",
267 .has_arg = required_argument,
268 .val = 'J',
269 },
d264264a
JA
270 {
271 .name = (char *) "aux-path",
272 .has_arg = required_argument,
273 .val = 'K',
274 },
b4692828
JA
275 {
276 .name = NULL,
277 },
278};
279
2bb3f0a7 280void free_threads_shm(void)
9d9eb2e7 281{
9d9eb2e7
JA
282 if (threads) {
283 void *tp = threads;
c8931876
JA
284#ifndef CONFIG_NO_SHM
285 struct shmid_ds sbuf;
9d9eb2e7
JA
286
287 threads = NULL;
2bb3f0a7
JA
288 shmdt(tp);
289 shmctl(shm_id, IPC_RMID, &sbuf);
290 shm_id = -1;
c8931876
JA
291#else
292 threads = NULL;
293 free(tp);
294#endif
2bb3f0a7
JA
295 }
296}
297
10aa136b 298static void free_shm(void)
2bb3f0a7
JA
299{
300 if (threads) {
9e684a49 301 flow_exit();
9d9eb2e7 302 fio_debug_jobp = NULL;
2bb3f0a7 303 free_threads_shm();
9d9eb2e7
JA
304 }
305
b63efd30
JA
306 free(trigger_file);
307 free(trigger_cmd);
308 free(trigger_remote_cmd);
309 trigger_file = trigger_cmd = trigger_remote_cmd = NULL;
310
5e333ada 311 options_free(fio_options, &def_thread.o);
243bfe19 312 fio_filelock_exit();
d619275c 313 file_hash_exit();
9d9eb2e7
JA
314 scleanup();
315}
316
317/*
318 * The thread area is shared between the main process and the job
319 * threads/processes. So setup a shared memory segment that will hold
320 * all the job info. We use the end of the region for keeping track of
321 * open files across jobs, for file sharing.
322 */
323static int setup_thread_area(void)
324{
9d9eb2e7
JA
325 if (threads)
326 return 0;
327
328 /*
329 * 1024 is too much on some machines, scale max_jobs if
330 * we get a failure that looks like too large a shm segment
331 */
332 do {
333 size_t size = max_jobs * sizeof(struct thread_data);
334
9d9eb2e7
JA
335 size += sizeof(unsigned int);
336
c8931876 337#ifndef CONFIG_NO_SHM
9d9eb2e7
JA
338 shm_id = shmget(0, size, IPC_CREAT | 0600);
339 if (shm_id != -1)
340 break;
f0c77f03 341 if (errno != EINVAL && errno != ENOMEM && errno != ENOSPC) {
9d9eb2e7
JA
342 perror("shmget");
343 break;
344 }
c8931876
JA
345#else
346 threads = malloc(size);
347 if (threads)
348 break;
349#endif
9d9eb2e7
JA
350
351 max_jobs >>= 1;
352 } while (max_jobs);
353
c8931876 354#ifndef CONFIG_NO_SHM
9d9eb2e7
JA
355 if (shm_id == -1)
356 return 1;
357
358 threads = shmat(shm_id, NULL, 0);
359 if (threads == (void *) -1) {
360 perror("shmat");
361 return 1;
362 }
c8931876 363#endif
9d9eb2e7
JA
364
365 memset(threads, 0, max_jobs * sizeof(struct thread_data));
63a26e05 366 fio_debug_jobp = (void *) threads + max_jobs * sizeof(struct thread_data);
9d9eb2e7 367 *fio_debug_jobp = -1;
9e684a49
DE
368
369 flow_init();
370
9d9eb2e7
JA
371 return 0;
372}
373
25bd16ce
JA
374static void set_cmd_options(struct thread_data *td)
375{
376 struct thread_options *o = &td->o;
377
378 if (!o->timeout)
379 o->timeout = def_timeout;
380}
381
c2292325
JA
382static void dump_print_option(struct print_option *p)
383{
384 const char *delim;
385
386 if (!strcmp("description", p->name))
387 delim = "\"";
388 else
389 delim = "";
390
391 log_info("--%s%s", p->name, p->value ? "" : " ");
392 if (p->value)
393 log_info("=%s%s%s ", delim, p->value, delim);
394}
395
396static void dump_opt_list(struct thread_data *td)
397{
398 struct flist_head *entry;
399 struct print_option *p;
400
401 if (flist_empty(&td->opt_list))
402 return;
403
404 flist_for_each(entry, &td->opt_list) {
405 p = flist_entry(entry, struct print_option, list);
406 dump_print_option(p);
407 }
408}
409
410static void fio_dump_options_free(struct thread_data *td)
411{
412 while (!flist_empty(&td->opt_list)) {
413 struct print_option *p;
414
415 p = flist_first_entry(&td->opt_list, struct print_option, list);
416 flist_del_init(&p->list);
417 free(p->name);
418 free(p->value);
419 free(p);
420 }
421}
422
876e1001
JA
423static void copy_opt_list(struct thread_data *dst, struct thread_data *src)
424{
425 struct flist_head *entry;
426
427 if (flist_empty(&src->opt_list))
428 return;
429
430 flist_for_each(entry, &src->opt_list) {
431 struct print_option *srcp, *dstp;
432
433 srcp = flist_entry(entry, struct print_option, list);
434 dstp = malloc(sizeof(*dstp));
435 dstp->name = strdup(srcp->name);
436 if (srcp->value)
437 dstp->value = strdup(srcp->value);
438 else
439 dstp->value = NULL;
440 flist_add_tail(&dstp->list, &dst->opt_list);
441 }
442}
443
906c8d75
JA
444/*
445 * Return a free job structure.
446 */
de890a1e 447static struct thread_data *get_new_job(int global, struct thread_data *parent,
ef3d8e53 448 int preserve_eo, const char *jobname)
ebac4655
JA
449{
450 struct thread_data *td;
451
25bd16ce
JA
452 if (global) {
453 set_cmd_options(&def_thread);
ebac4655 454 return &def_thread;
25bd16ce 455 }
9d9eb2e7
JA
456 if (setup_thread_area()) {
457 log_err("error: failed to setup shm segment\n");
458 return NULL;
459 }
e61f1ec8
BC
460 if (thread_number >= max_jobs) {
461 log_err("error: maximum number of jobs (%d) reached.\n",
462 max_jobs);
ebac4655 463 return NULL;
e61f1ec8 464 }
ebac4655
JA
465
466 td = &threads[thread_number++];
ddaeaa5a 467 *td = *parent;
ebac4655 468
c2292325 469 INIT_FLIST_HEAD(&td->opt_list);
876e1001
JA
470 if (parent != &def_thread)
471 copy_opt_list(td, parent);
c2292325 472
de890a1e
SL
473 td->io_ops = NULL;
474 if (!preserve_eo)
475 td->eo = NULL;
476
e0b0d892
JA
477 td->o.uid = td->o.gid = -1U;
478
cade3ef4 479 dup_files(td, parent);
de890a1e 480 fio_options_mem_dupe(td);
cade3ef4 481
15dc1934
JA
482 profile_add_hooks(td);
483
ebac4655 484 td->thread_number = thread_number;
69bdd6ba 485 td->subjob_number = 0;
108fea77 486
ef3d8e53
JA
487 if (jobname)
488 td->o.name = strdup(jobname);
489
13978e86 490 if (!parent->o.group_reporting || parent == &def_thread)
108fea77
JA
491 stat_number++;
492
25bd16ce 493 set_cmd_options(td);
ebac4655
JA
494 return td;
495}
496
497static void put_job(struct thread_data *td)
498{
549577a7
JA
499 if (td == &def_thread)
500 return;
84dd1886 501
58c55ba0 502 profile_td_exit(td);
9e684a49 503 flow_exit_job(td);
549577a7 504
16edf25d 505 if (td->error)
6d86144d 506 log_info("fio: %s\n", td->verror);
16edf25d 507
7e356b2d 508 fio_options_free(td);
c2292325 509 fio_dump_options_free(td);
de890a1e
SL
510 if (td->io_ops)
511 free_ioengine(td);
7e356b2d 512
ef3d8e53
JA
513 if (td->o.name)
514 free(td->o.name);
515
ebac4655
JA
516 memset(&threads[td->thread_number - 1], 0, sizeof(*td));
517 thread_number--;
518}
519
581e7141 520static int __setup_rate(struct thread_data *td, enum fio_ddir ddir)
127f6865 521{
581e7141 522 unsigned int bs = td->o.min_bs[ddir];
127f6865 523
ff58fced
JA
524 assert(ddir_rw(ddir));
525
ba3e4e0c 526 if (td->o.rate[ddir])
1b8dbf25 527 td->rate_bps[ddir] = td->o.rate[ddir];
ba3e4e0c 528 else
194fffd0 529 td->rate_bps[ddir] = (uint64_t) td->o.rate_iops[ddir] * bs;
127f6865 530
1b8dbf25 531 if (!td->rate_bps[ddir]) {
127f6865
JA
532 log_err("rate lower than supported\n");
533 return -1;
534 }
535
50a8ce86 536 td->rate_next_io_time[ddir] = 0;
89cdea5e 537 td->rate_io_issue_bytes[ddir] = 0;
ff6bb260 538 td->last_usec = 0;
127f6865
JA
539 return 0;
540}
541
581e7141
JA
542static int setup_rate(struct thread_data *td)
543{
544 int ret = 0;
545
546 if (td->o.rate[DDIR_READ] || td->o.rate_iops[DDIR_READ])
547 ret = __setup_rate(td, DDIR_READ);
548 if (td->o.rate[DDIR_WRITE] || td->o.rate_iops[DDIR_WRITE])
549 ret |= __setup_rate(td, DDIR_WRITE);
6eaf09d6
SL
550 if (td->o.rate[DDIR_TRIM] || td->o.rate_iops[DDIR_TRIM])
551 ret |= __setup_rate(td, DDIR_TRIM);
581e7141
JA
552
553 return ret;
554}
555
8347239a
JA
556static int fixed_block_size(struct thread_options *o)
557{
558 return o->min_bs[DDIR_READ] == o->max_bs[DDIR_READ] &&
559 o->min_bs[DDIR_WRITE] == o->max_bs[DDIR_WRITE] &&
6eaf09d6
SL
560 o->min_bs[DDIR_TRIM] == o->max_bs[DDIR_TRIM] &&
561 o->min_bs[DDIR_READ] == o->min_bs[DDIR_WRITE] &&
562 o->min_bs[DDIR_READ] == o->min_bs[DDIR_TRIM];
8347239a
JA
563}
564
23ed19b0
CE
565
566static unsigned long long get_rand_start_delay(struct thread_data *td)
567{
568 unsigned long long delayrange;
c3546b53 569 uint64_t frand_max;
23ed19b0
CE
570 unsigned long r;
571
572 delayrange = td->o.start_delay_high - td->o.start_delay;
573
c3546b53 574 frand_max = rand_max(&td->delay_state);
d6b72507 575 r = __rand(&td->delay_state);
c3546b53 576 delayrange = (unsigned long long) ((double) delayrange * (r / (frand_max + 1.0)));
23ed19b0
CE
577
578 delayrange += td->o.start_delay;
579 return delayrange;
580}
581
dad915e3
JA
582/*
583 * Lazy way of fixing up options that depend on each other. We could also
584 * define option callback handlers, but this is easier.
585 */
4e991c23 586static int fixup_options(struct thread_data *td)
e1f36503 587{
2dc1bbeb 588 struct thread_options *o = &td->o;
eefd98b1 589 int ret = 0;
dad915e3 590
f356d01d 591#ifndef FIO_HAVE_PSHARED_MUTEX
9bbf57cc 592 if (!o->use_thread) {
f356d01d
JA
593 log_info("fio: this platform does not support process shared"
594 " mutexes, forcing use of threads. Use the 'thread'"
595 " option to get rid of this warning.\n");
9bbf57cc 596 o->use_thread = 1;
a9523c6f 597 ret = warnings_fatal;
f356d01d
JA
598 }
599#endif
600
2dc1bbeb 601 if (o->write_iolog_file && o->read_iolog_file) {
076efc7c 602 log_err("fio: read iolog overrides write_iolog\n");
2dc1bbeb
JA
603 free(o->write_iolog_file);
604 o->write_iolog_file = NULL;
a9523c6f 605 ret = warnings_fatal;
076efc7c 606 }
16b462ae 607
16b462ae 608 /*
ed335855 609 * only really works with 1 file
16b462ae 610 */
627aa1a8 611 if (o->zone_size && o->open_files > 1)
2dc1bbeb 612 o->zone_size = 0;
16b462ae 613
ed335855
SN
614 /*
615 * If zone_range isn't specified, backward compatibility dictates it
616 * should be made equal to zone_size.
617 */
618 if (o->zone_size && !o->zone_range)
619 o->zone_range = o->zone_size;
620
16b462ae
JA
621 /*
622 * Reads can do overwrites, we always need to pre-create the file
623 */
624 if (td_read(td) || td_rw(td))
2dc1bbeb 625 o->overwrite = 1;
16b462ae 626
2dc1bbeb 627 if (!o->min_bs[DDIR_READ])
5ec10eaa 628 o->min_bs[DDIR_READ] = o->bs[DDIR_READ];
2dc1bbeb
JA
629 if (!o->max_bs[DDIR_READ])
630 o->max_bs[DDIR_READ] = o->bs[DDIR_READ];
631 if (!o->min_bs[DDIR_WRITE])
5ec10eaa 632 o->min_bs[DDIR_WRITE] = o->bs[DDIR_WRITE];
2dc1bbeb
JA
633 if (!o->max_bs[DDIR_WRITE])
634 o->max_bs[DDIR_WRITE] = o->bs[DDIR_WRITE];
6eaf09d6
SL
635 if (!o->min_bs[DDIR_TRIM])
636 o->min_bs[DDIR_TRIM] = o->bs[DDIR_TRIM];
637 if (!o->max_bs[DDIR_TRIM])
638 o->max_bs[DDIR_TRIM] = o->bs[DDIR_TRIM];
639
2dc1bbeb 640 o->rw_min_bs = min(o->min_bs[DDIR_READ], o->min_bs[DDIR_WRITE]);
6eaf09d6 641 o->rw_min_bs = min(o->min_bs[DDIR_TRIM], o->rw_min_bs);
a00735e6 642
2b7a01d0
JA
643 /*
644 * For random IO, allow blockalign offset other than min_bs.
645 */
646 if (!o->ba[DDIR_READ] || !td_random(td))
647 o->ba[DDIR_READ] = o->min_bs[DDIR_READ];
648 if (!o->ba[DDIR_WRITE] || !td_random(td))
649 o->ba[DDIR_WRITE] = o->min_bs[DDIR_WRITE];
6eaf09d6
SL
650 if (!o->ba[DDIR_TRIM] || !td_random(td))
651 o->ba[DDIR_TRIM] = o->min_bs[DDIR_TRIM];
2b7a01d0
JA
652
653 if ((o->ba[DDIR_READ] != o->min_bs[DDIR_READ] ||
6eaf09d6
SL
654 o->ba[DDIR_WRITE] != o->min_bs[DDIR_WRITE] ||
655 o->ba[DDIR_TRIM] != o->min_bs[DDIR_TRIM]) &&
9bbf57cc 656 !o->norandommap) {
2b7a01d0 657 log_err("fio: Any use of blockalign= turns off randommap\n");
9bbf57cc 658 o->norandommap = 1;
a9523c6f 659 ret = warnings_fatal;
2b7a01d0
JA
660 }
661
2dc1bbeb
JA
662 if (!o->file_size_high)
663 o->file_size_high = o->file_size_low;
9c60ce64 664
23ed19b0
CE
665 if (o->start_delay_high)
666 o->start_delay = get_rand_start_delay(td);
667
8347239a
JA
668 if (o->norandommap && o->verify != VERIFY_NONE
669 && !fixed_block_size(o)) {
670 log_err("fio: norandommap given for variable block sizes, "
83da8fbf 671 "verify limited\n");
a9523c6f 672 ret = warnings_fatal;
bb8895e0 673 }
9b87f09b 674 if (o->bs_unaligned && (o->odirect || td_ioengine_flagged(td, FIO_RAWIO)))
690adba3 675 log_err("fio: bs_unaligned may not work with raw io\n");
e0a22335 676
48097d5c
JA
677 /*
678 * thinktime_spin must be less than thinktime
679 */
2dc1bbeb
JA
680 if (o->thinktime_spin > o->thinktime)
681 o->thinktime_spin = o->thinktime;
e916b390
JA
682
683 /*
684 * The low water mark cannot be bigger than the iodepth
685 */
67bf9823
JA
686 if (o->iodepth_low > o->iodepth || !o->iodepth_low)
687 o->iodepth_low = o->iodepth;
cb5ab512
JA
688
689 /*
690 * If batch number isn't set, default to the same as iodepth
691 */
2dc1bbeb
JA
692 if (o->iodepth_batch > o->iodepth || !o->iodepth_batch)
693 o->iodepth_batch = o->iodepth;
b5af8293 694
82407585
RP
695 /*
696 * If max batch complete number isn't set or set incorrectly,
697 * default to the same as iodepth_batch_complete_min
698 */
699 if (o->iodepth_batch_complete_min > o->iodepth_batch_complete_max)
700 o->iodepth_batch_complete_max = o->iodepth_batch_complete_min;
701
2dc1bbeb
JA
702 if (o->nr_files > td->files_index)
703 o->nr_files = td->files_index;
9f9214f2 704
2dc1bbeb
JA
705 if (o->open_files > o->nr_files || !o->open_files)
706 o->open_files = o->nr_files;
4e991c23 707
6eaf09d6
SL
708 if (((o->rate[DDIR_READ] + o->rate[DDIR_WRITE] + o->rate[DDIR_TRIM]) &&
709 (o->rate_iops[DDIR_READ] + o->rate_iops[DDIR_WRITE] + o->rate_iops[DDIR_TRIM])) ||
710 ((o->ratemin[DDIR_READ] + o->ratemin[DDIR_WRITE] + o->ratemin[DDIR_TRIM]) &&
711 (o->rate_iops_min[DDIR_READ] + o->rate_iops_min[DDIR_WRITE] + o->rate_iops_min[DDIR_TRIM]))) {
4e991c23 712 log_err("fio: rate and rate_iops are mutually exclusive\n");
a9523c6f 713 ret = 1;
4e991c23 714 }
2af0ad5e
D
715 if ((o->rate[DDIR_READ] && (o->rate[DDIR_READ] < o->ratemin[DDIR_READ])) ||
716 (o->rate[DDIR_WRITE] && (o->rate[DDIR_WRITE] < o->ratemin[DDIR_WRITE])) ||
717 (o->rate[DDIR_TRIM] && (o->rate[DDIR_TRIM] < o->ratemin[DDIR_TRIM])) ||
718 (o->rate_iops[DDIR_READ] && (o->rate_iops[DDIR_READ] < o->rate_iops_min[DDIR_READ])) ||
719 (o->rate_iops[DDIR_WRITE] && (o->rate_iops[DDIR_WRITE] < o->rate_iops_min[DDIR_WRITE])) ||
720 (o->rate_iops[DDIR_TRIM] && (o->rate_iops[DDIR_TRIM] < o->rate_iops_min[DDIR_TRIM]))) {
4e991c23 721 log_err("fio: minimum rate exceeds rate\n");
a9523c6f 722 ret = 1;
4e991c23
JA
723 }
724
cf4464ca
JA
725 if (!o->timeout && o->time_based) {
726 log_err("fio: time_based requires a runtime/timeout setting\n");
727 o->time_based = 0;
a9523c6f 728 ret = warnings_fatal;
cf4464ca
JA
729 }
730
aa31f1f1 731 if (o->fill_device && !o->size)
5921e80c 732 o->size = -1ULL;
5ec10eaa 733
9bbf57cc 734 if (o->verify != VERIFY_NONE) {
996936f9 735 if (td_write(td) && o->do_verify && o->numjobs > 1) {
a9523c6f
JA
736 log_info("Multiple writers may overwrite blocks that "
737 "belong to other jobs. This can cause "
738 "verification failures.\n");
739 ret = warnings_fatal;
740 }
741
7627557b
JA
742 if (!fio_option_is_set(o, refill_buffers))
743 o->refill_buffers = 1;
744
2f1b8e8b
JA
745 if (o->max_bs[DDIR_WRITE] != o->min_bs[DDIR_WRITE] &&
746 !o->verify_interval)
747 o->verify_interval = o->min_bs[DDIR_WRITE];
7ffa8930
JA
748
749 /*
750 * Verify interval must be smaller or equal to the
751 * write size.
752 */
753 if (o->verify_interval > o->min_bs[DDIR_WRITE])
754 o->verify_interval = o->min_bs[DDIR_WRITE];
755 else if (td_read(td) && o->verify_interval > o->min_bs[DDIR_READ])
756 o->verify_interval = o->min_bs[DDIR_READ];
d990588e 757 }
41ccd845 758
9bbf57cc
JA
759 if (o->pre_read) {
760 o->invalidate_cache = 0;
9b87f09b 761 if (td_ioengine_flagged(td, FIO_PIPEIO)) {
9c0d2241
JA
762 log_info("fio: cannot pre-read files with an IO engine"
763 " that isn't seekable. Pre-read disabled.\n");
a9523c6f
JA
764 ret = warnings_fatal;
765 }
9c0d2241 766 }
34f1c044 767
ad705bcb 768 if (!o->unit_base) {
9b87f09b 769 if (td_ioengine_flagged(td, FIO_BIT_BASED))
ad705bcb
SN
770 o->unit_base = 1;
771 else
772 o->unit_base = 8;
773 }
774
67bf9823 775#ifndef CONFIG_FDATASYNC
9bbf57cc 776 if (o->fdatasync_blocks) {
e72fa4d4
JA
777 log_info("fio: this platform does not support fdatasync()"
778 " falling back to using fsync(). Use the 'fsync'"
779 " option instead of 'fdatasync' to get rid of"
780 " this warning\n");
9bbf57cc
JA
781 o->fsync_blocks = o->fdatasync_blocks;
782 o->fdatasync_blocks = 0;
a9523c6f 783 ret = warnings_fatal;
e72fa4d4
JA
784 }
785#endif
786
93bcfd20
BC
787#ifdef WIN32
788 /*
789 * Windows doesn't support O_DIRECT or O_SYNC with the _open interface,
790 * so fail if we're passed those flags
791 */
9b87f09b 792 if (td_ioengine_flagged(td, FIO_SYNCIO) && (td->o.odirect || td->o.sync_io)) {
93bcfd20
BC
793 log_err("fio: Windows does not support direct or non-buffered io with"
794 " the synchronous ioengines. Use the 'windowsaio' ioengine"
795 " with 'direct=1' and 'iodepth=1' instead.\n");
796 ret = 1;
797 }
798#endif
799
811ac503
JA
800 /*
801 * For fully compressible data, just zero them at init time.
6269123c
JA
802 * It's faster than repeatedly filling it. For non-zero
803 * compression, we should have refill_buffers set. Set it, unless
804 * the job file already changed it.
811ac503 805 */
6269123c
JA
806 if (o->compress_percentage) {
807 if (o->compress_percentage == 100) {
808 o->zero_buffers = 1;
809 o->compress_percentage = 0;
810 } else if (!fio_option_is_set(o, refill_buffers))
811 o->refill_buffers = 1;
811ac503
JA
812 }
813
5881fda4
JA
814 /*
815 * Using a non-uniform random distribution excludes usage of
816 * a random map
817 */
818 if (td->o.random_distribution != FIO_RAND_DIST_RANDOM)
819 td->o.norandommap = 1;
820
8d916c94
JA
821 /*
822 * If size is set but less than the min block size, complain
823 */
824 if (o->size && o->size < td_min_bs(td)) {
825 log_err("fio: size too small, must be larger than the IO size: %llu\n", (unsigned long long) o->size);
826 ret = 1;
827 }
828
d01612f3
CM
829 /*
830 * O_ATOMIC implies O_DIRECT
831 */
832 if (td->o.oatomic)
833 td->o.odirect = 1;
834
04778baf
JA
835 /*
836 * If randseed is set, that overrides randrepeat
837 */
40fe5e7b 838 if (fio_option_is_set(&td->o, rand_seed))
04778baf
JA
839 td->o.rand_repeatable = 0;
840
9b87f09b 841 if (td_ioengine_flagged(td, FIO_NOEXTEND) && td->o.file_append) {
b1bebc32
JA
842 log_err("fio: can't append/extent with IO engine %s\n", td->io_ops->name);
843 ret = 1;
844 }
845
79c896a1
JA
846 if (fio_option_is_set(o, gtod_cpu)) {
847 fio_gtod_init();
848 fio_gtod_set_cpu(o->gtod_cpu);
849 fio_gtod_offload = 1;
850 }
851
cf8a46a7
JA
852 td->loops = o->loops;
853 if (!td->loops)
854 td->loops = 1;
855
66347cfa 856 if (td->o.block_error_hist && td->o.nr_files != 1) {
b3ec877c 857 log_err("fio: block error histogram only available "
66347cfa
DE
858 "with a single file per job, but %d files "
859 "provided\n", td->o.nr_files);
860 ret = 1;
861 }
862
a9523c6f 863 return ret;
e1f36503
JA
864}
865
f8977ee6
JA
866/*
867 * This function leaks the buffer
868 */
99d633af 869char *fio_uint_to_kmg(unsigned int val)
f8977ee6
JA
870{
871 char *buf = malloc(32);
f3502ba2 872 char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 };
f8977ee6
JA
873 char *p = post;
874
245142ff 875 do {
f8977ee6
JA
876 if (val & 1023)
877 break;
878
879 val >>= 10;
880 p++;
245142ff 881 } while (*p);
f8977ee6 882
98ffb8f3 883 snprintf(buf, 32, "%u%c", val, *p);
f8977ee6
JA
884 return buf;
885}
886
09629a90
JA
887/* External engines are specified by "external:name.o") */
888static const char *get_engine_name(const char *str)
889{
890 char *p = strstr(str, ":");
891
892 if (!p)
893 return str;
894
895 p++;
896 strip_blank_front(&p);
897 strip_blank_end(p);
898 return p;
899}
900
99c94a6b
JA
901static void init_rand_file_service(struct thread_data *td)
902{
903 unsigned long nranges = td->o.nr_files << FIO_FSERVICE_SHIFT;
904 const unsigned int seed = td->rand_seeds[FIO_RAND_FILE_OFF];
905
906 if (td->o.file_service_type == FIO_FSERVICE_ZIPF) {
907 zipf_init(&td->next_file_zipf, nranges, td->zipf_theta, seed);
908 zipf_disable_hash(&td->next_file_zipf);
909 } else if (td->o.file_service_type == FIO_FSERVICE_PARETO) {
910 pareto_init(&td->next_file_zipf, nranges, td->pareto_h, seed);
911 zipf_disable_hash(&td->next_file_zipf);
912 } else if (td->o.file_service_type == FIO_FSERVICE_GAUSS) {
913 gauss_init(&td->next_file_gauss, nranges, td->gauss_dev, seed);
914 gauss_disable_hash(&td->next_file_gauss);
915 }
916}
917
8f380de2
CJ
918void td_fill_verify_state_seed(struct thread_data *td)
919{
920 bool use64;
921
922 if (td->o.random_generator == FIO_RAND_GEN_TAUSWORTHE64)
923 use64 = 1;
924 else
925 use64 = 0;
926
927 init_rand_seed(&td->verify_state, td->rand_seeds[FIO_RAND_VER_OFF],
928 use64);
929}
930
36dd3379 931static void td_fill_rand_seeds_internal(struct thread_data *td, bool use64)
4c07ad86 932{
36dd3379
JA
933 int i;
934
c3546b53 935 init_rand_seed(&td->bsrange_state, td->rand_seeds[FIO_RAND_BS_OFF], use64);
8f380de2 936 td_fill_verify_state_seed(td);
36dd3379 937 init_rand_seed(&td->rwmix_state, td->rand_seeds[FIO_RAND_MIX_OFF], false);
4c07ad86
JA
938
939 if (td->o.file_service_type == FIO_FSERVICE_RANDOM)
c3546b53 940 init_rand_seed(&td->next_file_state, td->rand_seeds[FIO_RAND_FILE_OFF], use64);
99c94a6b
JA
941 else if (td->o.file_service_type & __FIO_FSERVICE_NONUNIFORM)
942 init_rand_file_service(td);
4c07ad86 943
c3546b53
JA
944 init_rand_seed(&td->file_size_state, td->rand_seeds[FIO_RAND_FILE_SIZE_OFF], use64);
945 init_rand_seed(&td->trim_state, td->rand_seeds[FIO_RAND_TRIM_OFF], use64);
946 init_rand_seed(&td->delay_state, td->rand_seeds[FIO_RAND_START_DELAY], use64);
e7b24047 947 init_rand_seed(&td->poisson_state, td->rand_seeds[FIO_RAND_POISSON_OFF], 0);
36dd3379
JA
948 init_rand_seed(&td->dedupe_state, td->rand_seeds[FIO_DEDUPE_OFF], false);
949 init_rand_seed(&td->zone_state, td->rand_seeds[FIO_RAND_ZONE_OFF], false);
4c07ad86
JA
950
951 if (!td_random(td))
952 return;
953
954 if (td->o.rand_repeatable)
d24945f0 955 td->rand_seeds[FIO_RAND_BLOCK_OFF] = FIO_RANDSEED * td->thread_number;
4c07ad86 956
c3546b53 957 init_rand_seed(&td->random_state, td->rand_seeds[FIO_RAND_BLOCK_OFF], use64);
36dd3379
JA
958
959 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
960 struct frand_state *s = &td->seq_rand_state[i];
961
962 init_rand_seed(s, td->rand_seeds[FIO_RAND_SEQ_RAND_READ_OFF], false);
963 }
5bfc35d7
JA
964}
965
4c07ad86
JA
966void td_fill_rand_seeds(struct thread_data *td)
967{
36dd3379 968 bool use64;
c3546b53 969
56e2a5fc 970 if (td->o.allrand_repeatable) {
5c94b008
JA
971 unsigned int i;
972
973 for (i = 0; i < FIO_RAND_NR_OFFS; i++)
56e2a5fc
CE
974 td->rand_seeds[i] = FIO_RANDSEED * td->thread_number
975 + i;
976 }
977
c3546b53
JA
978 if (td->o.random_generator == FIO_RAND_GEN_TAUSWORTHE64)
979 use64 = 1;
980 else
981 use64 = 0;
982
983 td_fill_rand_seeds_internal(td, use64);
3545a109 984
c3546b53 985 init_rand_seed(&td->buf_state, td->rand_seeds[FIO_RAND_BUF_OFF], use64);
5c94b008 986 frand_copy(&td->buf_state_prev, &td->buf_state);
4c07ad86
JA
987}
988
de890a1e
SL
989/*
990 * Initializes the ioengine configured for a job, if it has not been done so
991 * already.
992 */
993int ioengine_load(struct thread_data *td)
994{
995 const char *engine;
996
997 /*
998 * Engine has already been loaded.
999 */
1000 if (td->io_ops)
1001 return 0;
6e5c4b8e
JA
1002 if (!td->o.ioengine) {
1003 log_err("fio: internal fault, no IO engine specified\n");
1004 return 1;
1005 }
de890a1e
SL
1006
1007 engine = get_engine_name(td->o.ioengine);
1008 td->io_ops = load_ioengine(td, engine);
1009 if (!td->io_ops) {
1010 log_err("fio: failed to load engine %s\n", engine);
1011 return 1;
1012 }
1013
1014 if (td->io_ops->option_struct_size && td->io_ops->options) {
1015 /*
1016 * In cases where td->eo is set, clone it for a child thread.
1017 * This requires that the parent thread has the same ioengine,
1018 * but that requirement must be enforced by the code which
1019 * cloned the thread.
1020 */
1021 void *origeo = td->eo;
1022 /*
1023 * Otherwise use the default thread options.
1024 */
1025 if (!origeo && td != &def_thread && def_thread.eo &&
1026 def_thread.io_ops->options == td->io_ops->options)
1027 origeo = def_thread.eo;
1028
1029 options_init(td->io_ops->options);
1030 td->eo = malloc(td->io_ops->option_struct_size);
1031 /*
1032 * Use the default thread as an option template if this uses the
1033 * same options structure and there are non-default options
1034 * used.
1035 */
1036 if (origeo) {
1037 memcpy(td->eo, origeo, td->io_ops->option_struct_size);
1038 options_mem_dupe(td->eo, td->io_ops->options);
1039 } else {
1040 memset(td->eo, 0, td->io_ops->option_struct_size);
1041 fill_default_options(td->eo, td->io_ops->options);
1042 }
1043 *(struct thread_data **)td->eo = td;
1044 }
1045
9b87f09b
JA
1046 if (td->o.odirect)
1047 td->io_ops->flags |= FIO_RAWIO;
1048
1049 td_set_ioengine_flags(td);
de890a1e
SL
1050 return 0;
1051}
1052
d72be545
JA
1053static void init_flags(struct thread_data *td)
1054{
1055 struct thread_options *o = &td->o;
1056
1057 if (o->verify_backlog)
1058 td->flags |= TD_F_VER_BACKLOG;
1059 if (o->trim_backlog)
1060 td->flags |= TD_F_TRIM_BACKLOG;
1061 if (o->read_iolog_file)
1062 td->flags |= TD_F_READ_IOLOG;
1063 if (o->refill_buffers)
1064 td->flags |= TD_F_REFILL_BUFFERS;
1bf2498d 1065 /*
b04f5905 1066 * Always scramble buffers if asked to
1bf2498d 1067 */
b04f5905
JA
1068 if (o->scramble_buffers && fio_option_is_set(o, scramble_buffers))
1069 td->flags |= TD_F_SCRAMBLE_BUFFERS;
1070 /*
1071 * But also scramble buffers, unless we were explicitly asked
1072 * to zero them.
1073 */
1074 if (o->scramble_buffers && !(o->zero_buffers &&
1075 fio_option_is_set(o, zero_buffers)))
d72be545
JA
1076 td->flags |= TD_F_SCRAMBLE_BUFFERS;
1077 if (o->verify != VERIFY_NONE)
1078 td->flags |= TD_F_VER_NONE;
a9da8ab2
JA
1079
1080 if (o->verify_async || o->io_submit_mode == IO_MODE_OFFLOAD)
1081 td->flags |= TD_F_NEED_LOCK;
d72be545
JA
1082}
1083
9dbc7bfe
JA
1084static int setup_random_seeds(struct thread_data *td)
1085{
1086 unsigned long seed;
1087 unsigned int i;
1088
40fe5e7b 1089 if (!td->o.rand_repeatable && !fio_option_is_set(&td->o, rand_seed))
9dbc7bfe
JA
1090 return init_random_state(td, td->rand_seeds, sizeof(td->rand_seeds));
1091
40fe5e7b 1092 seed = td->o.rand_seed;
04778baf 1093 for (i = 0; i < 4; i++)
9dbc7bfe
JA
1094 seed *= 0x9e370001UL;
1095
1096 for (i = 0; i < FIO_RAND_NR_OFFS; i++) {
87a0ea3b 1097 td->rand_seeds[i] = seed * td->thread_number + i;
9dbc7bfe
JA
1098 seed *= 0x9e370001UL;
1099 }
1100
1101 td_fill_rand_seeds(td);
1102 return 0;
1103}
1104
de98bd30
JA
1105enum {
1106 FPRE_NONE = 0,
1107 FPRE_JOBNAME,
1108 FPRE_JOBNUM,
1109 FPRE_FILENUM
1110};
1111
1112static struct fpre_keyword {
1113 const char *keyword;
1114 size_t strlen;
1115 int key;
1116} fpre_keywords[] = {
1117 { .keyword = "$jobname", .key = FPRE_JOBNAME, },
1118 { .keyword = "$jobnum", .key = FPRE_JOBNUM, },
1119 { .keyword = "$filenum", .key = FPRE_FILENUM, },
1120 { .keyword = NULL, },
1121 };
1122
3660ceae 1123static char *make_filename(char *buf, size_t buf_size,struct thread_options *o,
de98bd30
JA
1124 const char *jobname, int jobnum, int filenum)
1125{
1126 struct fpre_keyword *f;
1127 char copy[PATH_MAX];
b400a20e 1128 size_t dst_left = PATH_MAX - 1;
de98bd30
JA
1129
1130 if (!o->filename_format || !strlen(o->filename_format)) {
1131 sprintf(buf, "%s.%d.%d", jobname, jobnum, filenum);
1132 return NULL;
1133 }
1134
1135 for (f = &fpre_keywords[0]; f->keyword; f++)
1136 f->strlen = strlen(f->keyword);
1137
3660ceae
JA
1138 buf[buf_size - 1] = '\0';
1139 strncpy(buf, o->filename_format, buf_size - 1);
1140
de98bd30
JA
1141 memset(copy, 0, sizeof(copy));
1142 for (f = &fpre_keywords[0]; f->keyword; f++) {
1143 do {
1144 size_t pre_len, post_start = 0;
1145 char *str, *dst = copy;
1146
e25b6d5a 1147 str = strcasestr(buf, f->keyword);
de98bd30
JA
1148 if (!str)
1149 break;
1150
1151 pre_len = str - buf;
1152 if (strlen(str) != f->strlen)
1153 post_start = pre_len + f->strlen;
1154
1155 if (pre_len) {
1156 strncpy(dst, buf, pre_len);
1157 dst += pre_len;
73a467e6 1158 dst_left -= pre_len;
de98bd30
JA
1159 }
1160
1161 switch (f->key) {
73a467e6
JA
1162 case FPRE_JOBNAME: {
1163 int ret;
1164
1165 ret = snprintf(dst, dst_left, "%s", jobname);
1166 if (ret < 0)
1167 break;
17a2be59
JA
1168 else if (ret > dst_left) {
1169 log_err("fio: truncated filename\n");
1170 dst += dst_left;
1171 dst_left = 0;
1172 } else {
1173 dst += ret;
1174 dst_left -= ret;
1175 }
de98bd30 1176 break;
73a467e6
JA
1177 }
1178 case FPRE_JOBNUM: {
1179 int ret;
1180
1181 ret = snprintf(dst, dst_left, "%d", jobnum);
1182 if (ret < 0)
1183 break;
17a2be59
JA
1184 else if (ret > dst_left) {
1185 log_err("fio: truncated filename\n");
1186 dst += dst_left;
1187 dst_left = 0;
1188 } else {
1189 dst += ret;
1190 dst_left -= ret;
1191 }
de98bd30 1192 break;
73a467e6
JA
1193 }
1194 case FPRE_FILENUM: {
1195 int ret;
1196
1197 ret = snprintf(dst, dst_left, "%d", filenum);
1198 if (ret < 0)
1199 break;
17a2be59
JA
1200 else if (ret > dst_left) {
1201 log_err("fio: truncated filename\n");
1202 dst += dst_left;
1203 dst_left = 0;
1204 } else {
1205 dst += ret;
1206 dst_left -= ret;
1207 }
de98bd30 1208 break;
73a467e6 1209 }
de98bd30
JA
1210 default:
1211 assert(0);
1212 break;
1213 }
1214
1215 if (post_start)
73a467e6 1216 strncpy(dst, buf + post_start, dst_left);
de98bd30 1217
3660ceae 1218 strncpy(buf, copy, buf_size - 1);
de98bd30
JA
1219 } while (1);
1220 }
1221
1222 return buf;
1223}
f9633d72 1224
8aa89d70 1225bool parse_dryrun(void)
f9633d72
JA
1226{
1227 return dump_cmdline || parse_only;
1228}
1229
3a5db920
JA
1230static void gen_log_name(char *name, size_t size, const char *logtype,
1231 const char *logname, unsigned int num,
1232 const char *suf, int per_job)
1233{
1234 if (per_job)
1235 snprintf(name, size, "%s_%s.%d.%s", logname, logtype, num, suf);
1236 else
1237 snprintf(name, size, "%s_%s.%s", logname, logtype, suf);
1238}
1239
9cc8cb91
AK
1240static int check_waitees(char *waitee)
1241{
1242 struct thread_data *td;
1243 int i, ret = 0;
1244
1245 for_each_td(td, i) {
1246 if (td->subjob_number)
1247 continue;
1248
1249 ret += !strcmp(td->o.name, waitee);
1250 }
1251
1252 return ret;
1253}
1254
1255static bool wait_for_ok(const char *jobname, struct thread_options *o)
1256{
1257 int nw;
1258
1259 if (!o->wait_for)
1260 return true;
1261
1262 if (!strcmp(jobname, o->wait_for)) {
1263 log_err("%s: a job cannot wait for itself (wait_for=%s).\n",
1264 jobname, o->wait_for);
1265 return false;
1266 }
1267
1268 if (!(nw = check_waitees(o->wait_for))) {
1269 log_err("%s: waitee job %s unknown.\n", jobname, o->wait_for);
1270 return false;
1271 }
1272
1273 if (nw > 1) {
1274 log_err("%s: multiple waitees %s found,\n"
1275 "please avoid duplicates when using wait_for option.\n",
1276 jobname, o->wait_for);
1277 return false;
1278 }
1279
1280 return true;
1281}
1282
906c8d75
JA
1283/*
1284 * Adds a job to the list of things todo. Sanitizes the various options
1285 * to make sure we don't have conflicts, and initializes various
1286 * members of td.
1287 */
b7cfb2e1 1288static int add_job(struct thread_data *td, const char *jobname, int job_add_num,
46bcd498 1289 int recursed, int client_type)
ebac4655 1290{
af52b345 1291 unsigned int i;
af52b345 1292 char fname[PATH_MAX];
e132cbae 1293 int numjobs, file_alloced;
de98bd30 1294 struct thread_options *o = &td->o;
cb7e0ace 1295 char logname[PATH_MAX + 32];
ebac4655 1296
ebac4655
JA
1297 /*
1298 * the def_thread is just for options, it's not a real job
1299 */
1300 if (td == &def_thread)
1301 return 0;
1302
d72be545
JA
1303 init_flags(td);
1304
cca73aa7
JA
1305 /*
1306 * if we are just dumping the output command line, don't add the job
1307 */
f9633d72 1308 if (parse_dryrun()) {
cca73aa7
JA
1309 put_job(td);
1310 return 0;
1311 }
1312
46bcd498
JA
1313 td->client_type = client_type;
1314
58c55ba0 1315 if (profile_td_init(td))
66251554 1316 goto err;
58c55ba0 1317
de890a1e 1318 if (ioengine_load(td))
205927a3 1319 goto err;
df64119d 1320
e132cbae 1321 file_alloced = 0;
de98bd30 1322 if (!o->filename && !td->files_index && !o->read_iolog_file) {
e132cbae 1323 file_alloced = 1;
80be24f4 1324
5e62565b 1325 if (o->nr_files == 1 && exists_and_not_regfile(jobname))
5903e7b7 1326 add_file(td, jobname, job_add_num, 0);
7b05a215 1327 else {
de98bd30 1328 for (i = 0; i < o->nr_files; i++)
3660ceae 1329 add_file(td, make_filename(fname, sizeof(fname), o, jobname, job_add_num, i), job_add_num, 0);
af52b345 1330 }
0af7b542 1331 }
ebac4655 1332
4e991c23
JA
1333 if (fixup_options(td))
1334 goto err;
e0a22335 1335
9cc8cb91
AK
1336 /*
1337 * Belongs to fixup_options, but o->name is not necessarily set as yet
1338 */
1339 if (!wait_for_ok(jobname, o))
1340 goto err;
1341
9e684a49
DE
1342 flow_init_job(td);
1343
de890a1e
SL
1344 /*
1345 * IO engines only need this for option callbacks, and the address may
1346 * change in subprocesses.
1347 */
1348 if (td->eo)
1349 *(struct thread_data **)td->eo = NULL;
1350
9b87f09b 1351 if (td_ioengine_flagged(td, FIO_DISKLESSIO)) {
07eb79df
JA
1352 struct fio_file *f;
1353
1354 for_each_file(td, f, i)
1355 f->real_file_size = -1ULL;
1356 }
1357
521da527 1358 td->mutex = fio_mutex_init(FIO_MUTEX_LOCKED);
ebac4655 1359
de98bd30
JA
1360 td->ts.clat_percentiles = o->clat_percentiles;
1361 td->ts.percentile_precision = o->percentile_precision;
1362 memcpy(td->ts.percentile_list, o->percentile_list, sizeof(o->percentile_list));
83349190 1363
6eaf09d6
SL
1364 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
1365 td->ts.clat_stat[i].min_val = ULONG_MAX;
1366 td->ts.slat_stat[i].min_val = ULONG_MAX;
1367 td->ts.lat_stat[i].min_val = ULONG_MAX;
1368 td->ts.bw_stat[i].min_val = ULONG_MAX;
1369 }
de98bd30 1370 td->ddir_seq_nr = o->ddir_seq_nr;
ebac4655 1371
de98bd30 1372 if ((o->stonewall || o->new_group) && prev_group_jobs) {
3c5df6fa 1373 prev_group_jobs = 0;
ebac4655 1374 groupid++;
d883efbd
JA
1375 if (groupid == INT_MAX) {
1376 log_err("fio: too many groups defined\n");
1377 goto err;
1378 }
3c5df6fa 1379 }
ebac4655
JA
1380
1381 td->groupid = groupid;
3c5df6fa 1382 prev_group_jobs++;
ebac4655 1383
9dbc7bfe 1384 if (setup_random_seeds(td)) {
93bcfd20 1385 td_verror(td, errno, "init_random_state");
9c60ce64 1386 goto err;
93bcfd20 1387 }
9c60ce64 1388
ebac4655
JA
1389 if (setup_rate(td))
1390 goto err;
1391
cb7e0ace 1392 if (o->lat_log_file) {
aee2ab67
JA
1393 struct log_params p = {
1394 .td = td,
1395 .avg_msec = o->log_avg_msec,
1e613c9c
KC
1396 .hist_msec = o->log_hist_msec,
1397 .hist_coarseness = o->log_hist_coarseness,
aee2ab67
JA
1398 .log_type = IO_LOG_TYPE_LAT,
1399 .log_offset = o->log_offset,
1400 .log_gz = o->log_gz,
b26317c9 1401 .log_gz_store = o->log_gz_store,
aee2ab67 1402 };
b26317c9 1403 const char *suf;
aee2ab67 1404
b26317c9
JA
1405 if (p.log_gz_store)
1406 suf = "log.fz";
1407 else
1408 suf = "log";
1409
3a5db920
JA
1410 gen_log_name(logname, sizeof(logname), "lat", o->lat_log_file,
1411 td->thread_number, suf, o->per_job_logs);
aee2ab67 1412 setup_log(&td->lat_log, &p, logname);
3a5db920
JA
1413
1414 gen_log_name(logname, sizeof(logname), "slat", o->lat_log_file,
1415 td->thread_number, suf, o->per_job_logs);
aee2ab67 1416 setup_log(&td->slat_log, &p, logname);
3a5db920
JA
1417
1418 gen_log_name(logname, sizeof(logname), "clat", o->lat_log_file,
1419 td->thread_number, suf, o->per_job_logs);
aee2ab67 1420 setup_log(&td->clat_log, &p, logname);
ebac4655 1421 }
1e613c9c
KC
1422
1423 if (o->hist_log_file) {
1424 struct log_params p = {
1425 .td = td,
1426 .avg_msec = o->log_avg_msec,
1427 .hist_msec = o->log_hist_msec,
1428 .hist_coarseness = o->log_hist_coarseness,
1429 .log_type = IO_LOG_TYPE_HIST,
1430 .log_offset = o->log_offset,
1431 .log_gz = o->log_gz,
1432 .log_gz_store = o->log_gz_store,
1433 };
1434 const char *suf;
1435
66da8a60
JA
1436#ifndef CONFIG_ZLIB
1437 if (td->client_type) {
1438 log_err("fio: --write_hist_log requires zlib in client/server mode\n");
1439 goto err;
1440 }
1441#endif
1442
1e613c9c
KC
1443 if (p.log_gz_store)
1444 suf = "log.fz";
1445 else
1446 suf = "log";
1447
1448 gen_log_name(logname, sizeof(logname), "clat_hist", o->hist_log_file,
1449 td->thread_number, suf, o->per_job_logs);
1450 setup_log(&td->clat_hist_log, &p, logname);
1451 }
1452
cb7e0ace 1453 if (o->bw_log_file) {
aee2ab67
JA
1454 struct log_params p = {
1455 .td = td,
1456 .avg_msec = o->log_avg_msec,
1e613c9c
KC
1457 .hist_msec = o->log_hist_msec,
1458 .hist_coarseness = o->log_hist_coarseness,
aee2ab67
JA
1459 .log_type = IO_LOG_TYPE_BW,
1460 .log_offset = o->log_offset,
1461 .log_gz = o->log_gz,
b26317c9 1462 .log_gz_store = o->log_gz_store,
aee2ab67 1463 };
b26317c9
JA
1464 const char *suf;
1465
a47591e4
JA
1466 if (fio_option_is_set(o, bw_avg_time))
1467 p.avg_msec = min(o->log_avg_msec, o->bw_avg_time);
1468 else
1469 o->bw_avg_time = p.avg_msec;
1e613c9c
KC
1470
1471 p.hist_msec = o->log_hist_msec;
1472 p.hist_coarseness = o->log_hist_coarseness;
a47591e4 1473
b26317c9
JA
1474 if (p.log_gz_store)
1475 suf = "log.fz";
1476 else
1477 suf = "log";
aee2ab67 1478
3a5db920
JA
1479 gen_log_name(logname, sizeof(logname), "bw", o->bw_log_file,
1480 td->thread_number, suf, o->per_job_logs);
aee2ab67 1481 setup_log(&td->bw_log, &p, logname);
cb7e0ace
JA
1482 }
1483 if (o->iops_log_file) {
aee2ab67
JA
1484 struct log_params p = {
1485 .td = td,
1486 .avg_msec = o->log_avg_msec,
1e613c9c
KC
1487 .hist_msec = o->log_hist_msec,
1488 .hist_coarseness = o->log_hist_coarseness,
aee2ab67
JA
1489 .log_type = IO_LOG_TYPE_IOPS,
1490 .log_offset = o->log_offset,
1491 .log_gz = o->log_gz,
b26317c9 1492 .log_gz_store = o->log_gz_store,
aee2ab67 1493 };
b26317c9
JA
1494 const char *suf;
1495
a47591e4
JA
1496 if (fio_option_is_set(o, iops_avg_time))
1497 p.avg_msec = min(o->log_avg_msec, o->iops_avg_time);
1498 else
1499 o->iops_avg_time = p.avg_msec;
1e613c9c
KC
1500
1501 p.hist_msec = o->log_hist_msec;
1502 p.hist_coarseness = o->log_hist_coarseness;
a47591e4 1503
b26317c9
JA
1504 if (p.log_gz_store)
1505 suf = "log.fz";
1506 else
1507 suf = "log";
aee2ab67 1508
3a5db920
JA
1509 gen_log_name(logname, sizeof(logname), "iops", o->iops_log_file,
1510 td->thread_number, suf, o->per_job_logs);
aee2ab67 1511 setup_log(&td->iops_log, &p, logname);
cb7e0ace 1512 }
ebac4655 1513
de98bd30
JA
1514 if (!o->name)
1515 o->name = strdup(jobname);
01452055 1516
129fb2d4 1517 if (output_format & FIO_OUTPUT_NORMAL) {
b990b5c0 1518 if (!job_add_num) {
b7cfb2e1 1519 if (is_backend && !recursed)
2f122b13 1520 fio_server_send_add_job(td);
807f9971 1521
9b87f09b 1522 if (!td_ioengine_flagged(td, FIO_NOIO)) {
d21e2535
JA
1523 char *c1, *c2, *c3, *c4;
1524 char *c5 = NULL, *c6 = NULL;
f8977ee6 1525
22f80458
JA
1526 c1 = fio_uint_to_kmg(o->min_bs[DDIR_READ]);
1527 c2 = fio_uint_to_kmg(o->max_bs[DDIR_READ]);
1528 c3 = fio_uint_to_kmg(o->min_bs[DDIR_WRITE]);
1529 c4 = fio_uint_to_kmg(o->max_bs[DDIR_WRITE]);
d21e2535
JA
1530
1531 if (!o->bs_is_seq_rand) {
1532 c5 = fio_uint_to_kmg(o->min_bs[DDIR_TRIM]);
1533 c6 = fio_uint_to_kmg(o->max_bs[DDIR_TRIM]);
1534 }
1535
1536 log_info("%s: (g=%d): rw=%s, ", td->o.name,
1537 td->groupid,
1538 ddir_str(o->td_ddir));
1539
1540 if (o->bs_is_seq_rand)
1541 log_info("bs(seq/rand)=%s-%s/%s-%s, ",
1542 c1, c2, c3, c4);
1543 else
1544 log_info("bs=%s-%s/%s-%s/%s-%s, ",
1545 c1, c2, c3, c4, c5, c6);
1546
1547 log_info("ioengine=%s, iodepth=%u\n",
de98bd30 1548 td->io_ops->name, o->iodepth);
f8977ee6
JA
1549
1550 free(c1);
1551 free(c2);
1552 free(c3);
1553 free(c4);
6eaf09d6
SL
1554 free(c5);
1555 free(c6);
f8977ee6 1556 }
b990b5c0 1557 } else if (job_add_num == 1)
6d86144d 1558 log_info("...\n");
c6ae0a5b 1559 }
ebac4655
JA
1560
1561 /*
1562 * recurse add identical jobs, clear numjobs and stonewall options
1563 * as they don't apply to sub-jobs
1564 */
de98bd30 1565 numjobs = o->numjobs;
ebac4655 1566 while (--numjobs) {
ef3d8e53 1567 struct thread_data *td_new = get_new_job(0, td, 1, jobname);
ebac4655
JA
1568
1569 if (!td_new)
1570 goto err;
1571
2dc1bbeb
JA
1572 td_new->o.numjobs = 1;
1573 td_new->o.stonewall = 0;
92c1d41f 1574 td_new->o.new_group = 0;
69bdd6ba 1575 td_new->subjob_number = numjobs;
e132cbae
JA
1576
1577 if (file_alloced) {
455a50fa
CE
1578 if (td_new->files) {
1579 struct fio_file *f;
1580 for_each_file(td_new, f, i) {
1581 if (f->file_name)
ece6d647
AK
1582 sfree(f->file_name);
1583 sfree(f);
455a50fa 1584 }
ece6d647 1585 free(td_new->files);
455a50fa
CE
1586 td_new->files = NULL;
1587 }
ece6d647
AK
1588 td_new->files_index = 0;
1589 td_new->files_size = 0;
455a50fa
CE
1590 if (td_new->o.filename) {
1591 free(td_new->o.filename);
1592 td_new->o.filename = NULL;
1593 }
e132cbae
JA
1594 }
1595
bcbfeefa 1596 if (add_job(td_new, jobname, numjobs, 1, client_type))
ebac4655
JA
1597 goto err;
1598 }
3c5df6fa 1599
ebac4655
JA
1600 return 0;
1601err:
1602 put_job(td);
1603 return -1;
1604}
1605
79d16311
JA
1606/*
1607 * Parse as if 'o' was a command line
1608 */
46bcd498 1609void add_job_opts(const char **o, int client_type)
79d16311
JA
1610{
1611 struct thread_data *td, *td_parent;
1612 int i, in_global = 1;
1613 char jobname[32];
1614
1615 i = 0;
1616 td_parent = td = NULL;
1617 while (o[i]) {
1618 if (!strncmp(o[i], "name", 4)) {
1619 in_global = 0;
1620 if (td)
46bcd498 1621 add_job(td, jobname, 0, 0, client_type);
79d16311
JA
1622 td = NULL;
1623 sprintf(jobname, "%s", o[i] + 5);
1624 }
1625 if (in_global && !td_parent)
ef3d8e53 1626 td_parent = get_new_job(1, &def_thread, 0, jobname);
79d16311
JA
1627 else if (!in_global && !td) {
1628 if (!td_parent)
1629 td_parent = &def_thread;
ef3d8e53 1630 td = get_new_job(0, td_parent, 0, jobname);
79d16311
JA
1631 }
1632 if (in_global)
c2292325 1633 fio_options_parse(td_parent, (char **) &o[i], 1);
79d16311 1634 else
c2292325 1635 fio_options_parse(td, (char **) &o[i], 1);
79d16311
JA
1636 i++;
1637 }
1638
1639 if (td)
46bcd498 1640 add_job(td, jobname, 0, 0, client_type);
79d16311
JA
1641}
1642
01f06b63
JA
1643static int skip_this_section(const char *name)
1644{
ad0a2735
JA
1645 int i;
1646
1647 if (!nr_job_sections)
01f06b63
JA
1648 return 0;
1649 if (!strncmp(name, "global", 6))
1650 return 0;
1651
ad0a2735
JA
1652 for (i = 0; i < nr_job_sections; i++)
1653 if (!strcmp(job_sections[i], name))
1654 return 0;
1655
1656 return 1;
01f06b63
JA
1657}
1658
ebac4655
JA
1659static int is_empty_or_comment(char *line)
1660{
1661 unsigned int i;
1662
1663 for (i = 0; i < strlen(line); i++) {
1664 if (line[i] == ';')
1665 return 1;
5cc2da30
IM
1666 if (line[i] == '#')
1667 return 1;
76cd9378 1668 if (!isspace((int) line[i]) && !iscntrl((int) line[i]))
ebac4655
JA
1669 return 0;
1670 }
1671
1672 return 1;
1673}
1674
07261983
JA
1675/*
1676 * This is our [ini] type file parser.
1677 */
b3270921
AK
1678int __parse_jobs_ini(struct thread_data *td,
1679 char *file, int is_buf, int stonewall_flag, int type,
1680 int nested, char *name, char ***popts, int *aopts, int *nopts)
ebac4655 1681{
b3270921
AK
1682 unsigned int global = 0;
1683 char *string;
ebac4655
JA
1684 FILE *f;
1685 char *p;
0c7e37a0 1686 int ret = 0, stonewall;
097b2991 1687 int first_sect = 1;
ccf8f127 1688 int skip_fgets = 0;
01f06b63 1689 int inside_skip = 0;
3b8b7135
JA
1690 char **opts;
1691 int i, alloc_opts, num_opts;
ebac4655 1692
b3270921
AK
1693 dprint(FD_PARSE, "Parsing ini file %s\n", file);
1694 assert(td || !nested);
1695
50d16976
JA
1696 if (is_buf)
1697 f = NULL;
1698 else {
1699 if (!strcmp(file, "-"))
1700 f = stdin;
1701 else
1702 f = fopen(file, "r");
5a729cbe 1703
50d16976 1704 if (!f) {
323255cc
JA
1705 int __err = errno;
1706
1707 log_err("fio: unable to open '%s' job file\n", file);
02957cd4
JA
1708 if (td)
1709 td_verror(td, __err, "job file open");
50d16976
JA
1710 return 1;
1711 }
ebac4655
JA
1712 }
1713
1714 string = malloc(4096);
7f7e6e59
JA
1715
1716 /*
1717 * it's really 256 + small bit, 280 should suffice
1718 */
b3270921
AK
1719 if (!nested) {
1720 name = malloc(280);
1721 memset(name, 0, 280);
1722 }
ebac4655 1723
b3270921
AK
1724 opts = NULL;
1725 if (nested && popts) {
1726 opts = *popts;
1727 alloc_opts = *aopts;
1728 num_opts = *nopts;
1729 }
1730
1731 if (!opts) {
1732 alloc_opts = 8;
1733 opts = malloc(sizeof(char *) * alloc_opts);
1734 num_opts = 0;
1735 }
3b8b7135 1736
0c7e37a0 1737 stonewall = stonewall_flag;
7c124ac1 1738 do {
ccf8f127
JA
1739 /*
1740 * if skip_fgets is set, we already have loaded a line we
1741 * haven't handled.
1742 */
1743 if (!skip_fgets) {
50d16976
JA
1744 if (is_buf)
1745 p = strsep(&file, "\n");
1746 else
43f74792 1747 p = fgets(string, 4096, f);
ccf8f127
JA
1748 if (!p)
1749 break;
1750 }
cdc7f193 1751
ccf8f127 1752 skip_fgets = 0;
cdc7f193 1753 strip_blank_front(&p);
6c7c7da1 1754 strip_blank_end(p);
cdc7f193 1755
b3270921 1756 dprint(FD_PARSE, "%s\n", p);
ebac4655
JA
1757 if (is_empty_or_comment(p))
1758 continue;
b3270921
AK
1759
1760 if (!nested) {
1761 if (sscanf(p, "[%255[^\n]]", name) != 1) {
1762 if (inside_skip)
1763 continue;
1764
1765 log_err("fio: option <%s> outside of "
1766 "[] job section\n", p);
0e9c21a2 1767 ret = 1;
b3270921
AK
1768 break;
1769 }
1770
1771 name[strlen(name) - 1] = '\0';
1772
1773 if (skip_this_section(name)) {
1774 inside_skip = 1;
01f06b63 1775 continue;
b3270921
AK
1776 } else
1777 inside_skip = 0;
ebac4655 1778
b3270921 1779 dprint(FD_PARSE, "Parsing section [%s]\n", name);
7a4b80a1 1780
b3270921 1781 global = !strncmp(name, "global", 6);
01f06b63 1782
b3270921
AK
1783 if (dump_cmdline) {
1784 if (first_sect)
1785 log_info("fio ");
1786 if (!global)
1787 log_info("--name=%s ", name);
1788 first_sect = 0;
1789 }
ebac4655 1790
b3270921
AK
1791 td = get_new_job(global, &def_thread, 0, name);
1792 if (!td) {
1793 ret = 1;
1794 break;
1795 }
cca73aa7 1796
b3270921
AK
1797 /*
1798 * Separate multiple job files by a stonewall
1799 */
1800 if (!global && stonewall) {
1801 td->o.stonewall = stonewall;
1802 stonewall = 0;
1803 }
ebac4655 1804
b3270921
AK
1805 num_opts = 0;
1806 memset(opts, 0, alloc_opts * sizeof(char *));
972cfd25 1807 }
b3270921
AK
1808 else
1809 skip_fgets = 1;
3b8b7135 1810
50d16976 1811 while (1) {
b3270921
AK
1812 if (!skip_fgets) {
1813 if (is_buf)
1814 p = strsep(&file, "\n");
1815 else
1816 p = fgets(string, 4096, f);
1817 if (!p)
1818 break;
1819 dprint(FD_PARSE, "%s", p);
1820 }
50d16976 1821 else
b3270921 1822 skip_fgets = 0;
50d16976 1823
ebac4655
JA
1824 if (is_empty_or_comment(p))
1825 continue;
e1f36503 1826
b6754f9d 1827 strip_blank_front(&p);
7c124ac1 1828
ccf8f127
JA
1829 /*
1830 * new section, break out and make sure we don't
1831 * fgets() a new line at the top.
1832 */
1833 if (p[0] == '[') {
b3270921
AK
1834 if (nested) {
1835 log_err("No new sections in included files\n");
1836 return 1;
1837 }
1838
ccf8f127 1839 skip_fgets = 1;
7c124ac1 1840 break;
ccf8f127 1841 }
7c124ac1 1842
4ae3f763 1843 strip_blank_end(p);
aea47d44 1844
b3270921 1845 if (!strncmp(p, "include", strlen("include"))) {
c0821a08
AK
1846 char *filename = p + strlen("include") + 1,
1847 *ts, *full_fn = NULL;
1848
1849 /*
1850 * Allow for the include filename
1851 * specification to be relative.
1852 */
1853 if (access(filename, F_OK) &&
1854 (ts = strrchr(file, '/'))) {
1855 int len = ts - file +
1856 strlen(filename) + 2;
1857
1858 if (!(full_fn = calloc(1, len))) {
1859 ret = ENOMEM;
1860 break;
1861 }
1862
1863 strncpy(full_fn,
1864 file, (ts - file) + 1);
1865 strncpy(full_fn + (ts - file) + 1,
1866 filename, strlen(filename));
1867 full_fn[len - 1] = 0;
1868 filename = full_fn;
1869 }
1870
1871 ret = __parse_jobs_ini(td, filename, is_buf,
1872 stonewall_flag, type, 1,
1873 name, &opts,
1874 &alloc_opts, &num_opts);
b3270921 1875
c0821a08
AK
1876 if (ret) {
1877 log_err("Error %d while parsing "
1878 "include file %s\n",
b3270921 1879 ret, filename);
b3270921 1880 }
c0821a08
AK
1881
1882 if (full_fn)
1883 free(full_fn);
1884
1885 if (ret)
1886 break;
1887
b3270921
AK
1888 continue;
1889 }
1890
3b8b7135
JA
1891 if (num_opts == alloc_opts) {
1892 alloc_opts <<= 1;
1893 opts = realloc(opts,
1894 alloc_opts * sizeof(char *));
1895 }
1896
1897 opts[num_opts] = strdup(p);
1898 num_opts++;
ebac4655 1899 }
ebac4655 1900
b3270921
AK
1901 if (nested) {
1902 *popts = opts;
1903 *aopts = alloc_opts;
1904 *nopts = num_opts;
1905 goto out;
1906 }
1907
c2292325
JA
1908 ret = fio_options_parse(td, opts, num_opts);
1909 if (!ret) {
1910 if (dump_cmdline)
1911 dump_opt_list(td);
1912
46bcd498 1913 ret = add_job(td, name, 0, 0, type);
c2292325 1914 } else {
b1508cf9
JA
1915 log_err("fio: job %s dropped\n", name);
1916 put_job(td);
45410acb 1917 }
3b8b7135
JA
1918
1919 for (i = 0; i < num_opts; i++)
1920 free(opts[i]);
1921 num_opts = 0;
7c124ac1 1922 } while (!ret);
ebac4655 1923
cca73aa7
JA
1924 if (dump_cmdline)
1925 log_info("\n");
1926
7e356b2d
JA
1927 i = 0;
1928 while (i < nr_job_sections) {
1929 free(job_sections[i]);
1930 i++;
1931 }
1932
2577594d 1933 free(opts);
b3270921
AK
1934out:
1935 free(string);
1936 if (!nested)
1937 free(name);
50d16976 1938 if (!is_buf && f != stdin)
5a729cbe 1939 fclose(f);
45410acb 1940 return ret;
ebac4655
JA
1941}
1942
b3270921
AK
1943int parse_jobs_ini(char *file, int is_buf, int stonewall_flag, int type)
1944{
1945 return __parse_jobs_ini(NULL, file, is_buf, stonewall_flag, type,
1946 0, NULL, NULL, NULL, NULL);
1947}
1948
ebac4655
JA
1949static int fill_def_thread(void)
1950{
1951 memset(&def_thread, 0, sizeof(def_thread));
66e19a38 1952 INIT_FLIST_HEAD(&def_thread.opt_list);
ebac4655 1953
375b2695 1954 fio_getaffinity(getpid(), &def_thread.o.cpumask);
8b28bd41 1955 def_thread.o.error_dump = 1;
25bd16ce 1956
ebac4655 1957 /*
ee738499 1958 * fill default options
ebac4655 1959 */
214e1eca 1960 fio_fill_default_options(&def_thread);
ebac4655
JA
1961 return 0;
1962}
1963
2236df3d
JA
1964static void show_debug_categories(void)
1965{
44acdcf4 1966#ifdef FIO_INC_DEBUG
2236df3d
JA
1967 struct debug_level *dl = &debug_levels[0];
1968 int curlen, first = 1;
1969
1970 curlen = 0;
1971 while (dl->name) {
1972 int has_next = (dl + 1)->name != NULL;
1973
1974 if (first || curlen + strlen(dl->name) >= 80) {
1975 if (!first) {
1976 printf("\n");
1977 curlen = 0;
1978 }
1979 curlen += printf("\t\t\t%s", dl->name);
1980 curlen += 3 * (8 - 1);
1981 if (has_next)
1982 curlen += printf(",");
1983 } else {
1984 curlen += printf("%s", dl->name);
1985 if (has_next)
1986 curlen += printf(",");
1987 }
1988 dl++;
1989 first = 0;
1990 }
1991 printf("\n");
44acdcf4 1992#endif
2236df3d
JA
1993}
1994
45378b35 1995static void usage(const char *name)
4785f995 1996{
3d43382c 1997 printf("%s\n", fio_version_string);
45378b35 1998 printf("%s [options] [job options] <job file(s)>\n", name);
2236df3d
JA
1999 printf(" --debug=options\tEnable debug logging. May be one/more of:\n");
2000 show_debug_categories();
111e032d 2001 printf(" --parse-only\t\tParse options only, don't start any IO\n");
83881283 2002 printf(" --output\t\tWrite output to file\n");
b2cecdc2 2003 printf(" --runtime\t\tRuntime in seconds\n");
83881283
JA
2004 printf(" --bandwidth-log\tGenerate per-job bandwidth logs\n");
2005 printf(" --minimal\t\tMinimal (terse) output\n");
513e37ee 2006 printf(" --output-format=x\tOutput format (terse,json,json+,normal)\n");
75db6e2c 2007 printf(" --terse-version=x\tSet terse version output format to 'x'\n");
f3afa57e 2008 printf(" --version\t\tPrint version info and exit\n");
83881283 2009 printf(" --help\t\tPrint this page\n");
23893646 2010 printf(" --cpuclock-test\tPerform test/validation of CPU clock\n");
fec0f21c 2011 printf(" --crctest\t\tTest speed of checksum functions\n");
83881283 2012 printf(" --cmdhelp=cmd\t\tPrint command help, \"all\" for all of"
5ec10eaa 2013 " them\n");
de890a1e
SL
2014 printf(" --enghelp=engine\tPrint ioengine help, or list"
2015 " available ioengines\n");
2016 printf(" --enghelp=engine,cmd\tPrint help for an ioengine"
2017 " cmd\n");
83881283
JA
2018 printf(" --showcmd\t\tTurn a job file into command line options\n");
2019 printf(" --eta=when\t\tWhen ETA estimate should be printed\n");
2020 printf(" \t\tMay be \"always\", \"never\" or \"auto\"\n");
e382e661
JA
2021 printf(" --eta-newline=time\tForce a new line for every 'time'");
2022 printf(" period passed\n");
06464907
JA
2023 printf(" --status-interval=t\tForce full status dump every");
2024 printf(" 't' period passed\n");
83881283 2025 printf(" --readonly\t\tTurn on safety read-only checks, preventing"
5ec10eaa 2026 " writes\n");
83881283
JA
2027 printf(" --section=name\tOnly run specified section in job file\n");
2028 printf(" --alloc-size=kb\tSet smalloc pool to this size in kb"
2b386d25 2029 " (def 1024)\n");
83881283
JA
2030 printf(" --warnings-fatal\tFio parser warnings are fatal\n");
2031 printf(" --max-jobs=nr\t\tMaximum number of threads/processes to support\n");
2032 printf(" --server=args\t\tStart a backend fio server\n");
2033 printf(" --daemonize=pidfile\tBackground fio server, write pid to file\n");
2034 printf(" --client=hostname\tTalk to remote backend fio server at hostname\n");
323255cc 2035 printf(" --remote-config=file\tTell fio server to load this local job file\n");
f2a2ce0e
HL
2036 printf(" --idle-prof=option\tReport cpu idleness on a system or percpu basis\n"
2037 "\t\t\t(option=system,percpu) or run unit work\n"
2038 "\t\t\tcalibration only (option=calibrate)\n");
b26317c9
JA
2039#ifdef CONFIG_ZLIB
2040 printf(" --inflate-log=log\tInflate and output compressed log\n");
2041#endif
b63efd30 2042 printf(" --trigger-file=file\tExecute trigger cmd when file exists\n");
ca09be4b 2043 printf(" --trigger-timeout=t\tExecute trigger af this time\n");
b63efd30
JA
2044 printf(" --trigger=cmd\t\tSet this command as local trigger\n");
2045 printf(" --trigger-remote=cmd\tSet this command as remote trigger\n");
d264264a 2046 printf(" --aux-path=path\tUse this path for fio state generated files\n");
aa58d252 2047 printf("\nFio was written by Jens Axboe <jens.axboe@oracle.com>");
bfca2c74
JA
2048 printf("\n Jens Axboe <jaxboe@fusionio.com>");
2049 printf("\n Jens Axboe <axboe@fb.com>\n");
4785f995
JA
2050}
2051
79e48f72 2052#ifdef FIO_INC_DEBUG
ee56ad50 2053struct debug_level debug_levels[] = {
0b8d11ed
JA
2054 { .name = "process",
2055 .help = "Process creation/exit logging",
2056 .shift = FD_PROCESS,
2057 },
2058 { .name = "file",
2059 .help = "File related action logging",
2060 .shift = FD_FILE,
2061 },
2062 { .name = "io",
2063 .help = "IO and IO engine action logging (offsets, queue, completions, etc)",
2064 .shift = FD_IO,
2065 },
2066 { .name = "mem",
2067 .help = "Memory allocation/freeing logging",
2068 .shift = FD_MEM,
2069 },
2070 { .name = "blktrace",
2071 .help = "blktrace action logging",
2072 .shift = FD_BLKTRACE,
2073 },
2074 { .name = "verify",
2075 .help = "IO verification action logging",
2076 .shift = FD_VERIFY,
2077 },
2078 { .name = "random",
2079 .help = "Random generation logging",
2080 .shift = FD_RANDOM,
2081 },
2082 { .name = "parse",
2083 .help = "Parser logging",
2084 .shift = FD_PARSE,
2085 },
2086 { .name = "diskutil",
2087 .help = "Disk utility logging actions",
2088 .shift = FD_DISKUTIL,
2089 },
2090 { .name = "job",
2091 .help = "Logging related to creating/destroying jobs",
2092 .shift = FD_JOB,
2093 },
2094 { .name = "mutex",
2095 .help = "Mutex logging",
2096 .shift = FD_MUTEX
2097 },
2098 { .name = "profile",
2099 .help = "Logging related to profiles",
2100 .shift = FD_PROFILE,
2101 },
2102 { .name = "time",
2103 .help = "Logging related to time keeping functions",
2104 .shift = FD_TIME,
2105 },
2106 { .name = "net",
2107 .help = "Network logging",
2108 .shift = FD_NET,
2109 },
3e260a46
JA
2110 { .name = "rate",
2111 .help = "Rate logging",
2112 .shift = FD_RATE,
2113 },
0c56718d
JA
2114 { .name = "compress",
2115 .help = "Log compression logging",
2116 .shift = FD_COMPRESS,
2117 },
02444ad1 2118 { .name = NULL, },
ee56ad50
JA
2119};
2120
c09823ab 2121static int set_debug(const char *string)
ee56ad50
JA
2122{
2123 struct debug_level *dl;
2124 char *p = (char *) string;
2125 char *opt;
2126 int i;
2127
2706fa00
JA
2128 if (!string)
2129 return 0;
2130
ee56ad50 2131 if (!strcmp(string, "?") || !strcmp(string, "help")) {
ee56ad50
JA
2132 log_info("fio: dumping debug options:");
2133 for (i = 0; debug_levels[i].name; i++) {
2134 dl = &debug_levels[i];
2135 log_info("%s,", dl->name);
2136 }
bd6f78b2 2137 log_info("all\n");
c09823ab 2138 return 1;
ee56ad50
JA
2139 }
2140
2141 while ((opt = strsep(&p, ",")) != NULL) {
2142 int found = 0;
2143
5e1d306e
JA
2144 if (!strncmp(opt, "all", 3)) {
2145 log_info("fio: set all debug options\n");
2146 fio_debug = ~0UL;
2147 continue;
2148 }
2149
ee56ad50
JA
2150 for (i = 0; debug_levels[i].name; i++) {
2151 dl = &debug_levels[i];
5e1d306e
JA
2152 found = !strncmp(opt, dl->name, strlen(dl->name));
2153 if (!found)
2154 continue;
2155
2156 if (dl->shift == FD_JOB) {
2157 opt = strchr(opt, ':');
2158 if (!opt) {
2159 log_err("fio: missing job number\n");
2160 break;
2161 }
2162 opt++;
2163 fio_debug_jobno = atoi(opt);
2164 log_info("fio: set debug jobno %d\n",
2165 fio_debug_jobno);
2166 } else {
ee56ad50 2167 log_info("fio: set debug option %s\n", opt);
bd6f78b2 2168 fio_debug |= (1UL << dl->shift);
ee56ad50 2169 }
5e1d306e 2170 break;
ee56ad50
JA
2171 }
2172
2173 if (!found)
2174 log_err("fio: debug mask %s not found\n", opt);
2175 }
c09823ab 2176 return 0;
ee56ad50 2177}
79e48f72 2178#else
69b98d4c 2179static int set_debug(const char *string)
79e48f72
JA
2180{
2181 log_err("fio: debug tracing not included in build\n");
c09823ab 2182 return 1;
79e48f72
JA
2183}
2184#endif
9ac8a797 2185
4c6107ff
JA
2186static void fio_options_fill_optstring(void)
2187{
2188 char *ostr = cmd_optstr;
2189 int i, c;
2190
2191 c = i = 0;
2192 while (l_opts[i].name) {
2193 ostr[c++] = l_opts[i].val;
2194 if (l_opts[i].has_arg == required_argument)
2195 ostr[c++] = ':';
2196 else if (l_opts[i].has_arg == optional_argument) {
2197 ostr[c++] = ':';
2198 ostr[c++] = ':';
2199 }
2200 i++;
2201 }
2202 ostr[c] = '\0';
2203}
2204
c2c94585
JA
2205static int client_flag_set(char c)
2206{
2207 int i;
2208
2209 i = 0;
2210 while (l_opts[i].name) {
2211 int val = l_opts[i].val;
2212
2213 if (c == (val & 0xff))
2214 return (val & FIO_CLIENT_FLAG);
2215
2216 i++;
2217 }
2218
2219 return 0;
2220}
2221
10aa136b 2222static void parse_cmd_client(void *client, char *opt)
7a4b8240 2223{
fa2ea806 2224 fio_client_add_cmd_option(client, opt);
7a4b8240
JA
2225}
2226
a893c261
JA
2227static void show_closest_option(const char *name)
2228{
2229 int best_option, best_distance;
2230 int i, distance;
2231
2232 while (*name == '-')
2233 name++;
2234
2235 best_option = -1;
2236 best_distance = INT_MAX;
2237 i = 0;
2238 while (l_opts[i].name) {
2239 distance = string_distance(name, l_opts[i].name);
2240 if (distance < best_distance) {
2241 best_distance = distance;
2242 best_option = i;
2243 }
2244 i++;
2245 }
2246
3701636d 2247 if (best_option != -1 && string_distance_ok(name, best_distance))
a893c261
JA
2248 log_err("Did you mean %s?\n", l_opts[best_option].name);
2249}
2250
a666cab8
JA
2251static int parse_output_format(const char *optarg)
2252{
2253 char *p, *orig, *opt;
2254 int ret = 0;
2255
2256 p = orig = strdup(optarg);
2257
2258 output_format = 0;
2259
2260 while ((opt = strsep(&p, ",")) != NULL) {
2261 if (!strcmp(opt, "minimal") ||
2262 !strcmp(opt, "terse") ||
2263 !strcmp(opt, "csv"))
2264 output_format |= FIO_OUTPUT_TERSE;
2265 else if (!strcmp(opt, "json"))
2266 output_format |= FIO_OUTPUT_JSON;
513e37ee
VF
2267 else if (!strcmp(opt, "json+"))
2268 output_format |= (FIO_OUTPUT_JSON | FIO_OUTPUT_JSON_PLUS);
a666cab8
JA
2269 else if (!strcmp(opt, "normal"))
2270 output_format |= FIO_OUTPUT_NORMAL;
2271 else {
2272 log_err("fio: invalid output format %s\n", opt);
2273 ret = 1;
2274 break;
2275 }
2276 }
2277
2278 free(orig);
2279 return ret;
2280}
2281
46bcd498 2282int parse_cmd_line(int argc, char *argv[], int client_type)
ebac4655 2283{
b4692828 2284 struct thread_data *td = NULL;
c09823ab 2285 int c, ini_idx = 0, lidx, ret = 0, do_exit = 0, exit_val = 0;
4c6107ff 2286 char *ostr = cmd_optstr;
977b9596 2287 char *pid_file = NULL;
9bae26e8 2288 void *cur_client = NULL;
81179eec 2289 int backend = 0;
ebac4655 2290
c2c94585
JA
2291 /*
2292 * Reset optind handling, since we may call this multiple times
2293 * for the backend.
2294 */
2295 optind = 1;
7a4b8240 2296
c2c94585
JA
2297 while ((c = getopt_long_only(argc, argv, ostr, l_opts, &lidx)) != -1) {
2298 if ((c & FIO_CLIENT_FLAG) || client_flag_set(c)) {
fa2ea806 2299 parse_cmd_client(cur_client, argv[optind - 1]);
7a4b8240
JA
2300 c &= ~FIO_CLIENT_FLAG;
2301 }
2302
ebac4655 2303 switch (c) {
2b386d25
JA
2304 case 'a':
2305 smalloc_pool_size = atoi(optarg);
52d892b2 2306 smalloc_pool_size <<= 10;
5f9454a2 2307 sinit();
2b386d25 2308 break;
b4692828 2309 case 't':
25bd16ce
JA
2310 if (check_str_time(optarg, &def_timeout, 1)) {
2311 log_err("fio: failed parsing time %s\n", optarg);
2312 do_exit++;
2313 exit_val = 1;
2314 }
b4692828
JA
2315 break;
2316 case 'l':
cb7e0ace
JA
2317 log_err("fio: --latency-log is deprecated. Use per-job latency log options.\n");
2318 do_exit++;
2319 exit_val = 1;
b4692828 2320 break;
3d73e5a9 2321 case 'b':
b4692828
JA
2322 write_bw_log = 1;
2323 break;
2324 case 'o':
988da120 2325 if (f_out && f_out != stdout)
5e1d8745
JA
2326 fclose(f_out);
2327
b4692828
JA
2328 f_out = fopen(optarg, "w+");
2329 if (!f_out) {
2330 perror("fopen output");
2331 exit(1);
2332 }
2333 f_err = f_out;
2334 break;
2335 case 'm':
f3afa57e 2336 output_format = FIO_OUTPUT_TERSE;
b4692828 2337 break;
f3afa57e 2338 case 'F':
a666cab8
JA
2339 if (parse_output_format(optarg)) {
2340 log_err("fio: failed parsing output-format\n");
2341 exit_val = 1;
2342 do_exit++;
2343 break;
2344 }
2b8c71b0 2345 break;
f6a7df53
JA
2346 case 'f':
2347 output_format |= FIO_OUTPUT_TERSE;
2348 break;
b4692828 2349 case 'h':
7d8ea970 2350 did_arg = 1;
7874f8b7 2351 if (!cur_client) {
c2c94585 2352 usage(argv[0]);
7874f8b7
JA
2353 do_exit++;
2354 }
c2c94585 2355 break;
fd28ca49 2356 case 'c':
7d8ea970 2357 did_arg = 1;
7874f8b7 2358 if (!cur_client) {
c2c94585 2359 fio_show_option_help(optarg);
7874f8b7
JA
2360 do_exit++;
2361 }
c2c94585 2362 break;
de890a1e 2363 case 'i':
7d8ea970 2364 did_arg = 1;
de890a1e
SL
2365 if (!cur_client) {
2366 fio_show_ioengine_help(optarg);
2367 do_exit++;
2368 }
2369 break;
cca73aa7 2370 case 's':
7d8ea970 2371 did_arg = 1;
cca73aa7
JA
2372 dump_cmdline = 1;
2373 break;
724e4435
JA
2374 case 'r':
2375 read_only = 1;
2376 break;
b4692828 2377 case 'v':
7d8ea970 2378 did_arg = 1;
7874f8b7 2379 if (!cur_client) {
3d43382c 2380 log_info("%s\n", fio_version_string);
7874f8b7
JA
2381 do_exit++;
2382 }
c2c94585 2383 break;
f57a9c59
JA
2384 case 'V':
2385 terse_version = atoi(optarg);
09786f5f
JA
2386 if (!(terse_version == 2 || terse_version == 3 ||
2387 terse_version == 4)) {
f57a9c59
JA
2388 log_err("fio: bad terse version format\n");
2389 exit_val = 1;
2390 do_exit++;
2391 }
2392 break;
e592a06b
AC
2393 case 'e':
2394 if (!strcmp("always", optarg))
2395 eta_print = FIO_ETA_ALWAYS;
2396 else if (!strcmp("never", optarg))
2397 eta_print = FIO_ETA_NEVER;
2398 break;
e382e661
JA
2399 case 'E': {
2400 long long t = 0;
2401
88038bc7 2402 if (check_str_time(optarg, &t, 1)) {
e382e661
JA
2403 log_err("fio: failed parsing eta time %s\n", optarg);
2404 exit_val = 1;
2405 do_exit++;
2406 }
88038bc7 2407 eta_new_line = t / 1000;
e382e661
JA
2408 break;
2409 }
ee56ad50 2410 case 'd':
c09823ab
JA
2411 if (set_debug(optarg))
2412 do_exit++;
ee56ad50 2413 break;
111e032d 2414 case 'P':
7d8ea970 2415 did_arg = 1;
111e032d
JA
2416 parse_only = 1;
2417 break;
ad0a2735
JA
2418 case 'x': {
2419 size_t new_size;
2420
01f06b63 2421 if (!strcmp(optarg, "global")) {
5ec10eaa
JA
2422 log_err("fio: can't use global as only "
2423 "section\n");
c09823ab
JA
2424 do_exit++;
2425 exit_val = 1;
01f06b63
JA
2426 break;
2427 }
ad0a2735
JA
2428 new_size = (nr_job_sections + 1) * sizeof(char *);
2429 job_sections = realloc(job_sections, new_size);
2430 job_sections[nr_job_sections] = strdup(optarg);
2431 nr_job_sections++;
01f06b63 2432 break;
ad0a2735 2433 }
b26317c9
JA
2434#ifdef CONFIG_ZLIB
2435 case 'X':
2436 exit_val = iolog_file_inflate(optarg);
2437 did_arg++;
2438 do_exit++;
2439 break;
2440#endif
9ac8a797 2441 case 'p':
7d8ea970 2442 did_arg = 1;
4af7c007
JA
2443 if (exec_profile)
2444 free(exec_profile);
07b3232d 2445 exec_profile = strdup(optarg);
9ac8a797 2446 break;
b4692828 2447 case FIO_GETOPT_JOB: {
5ec10eaa 2448 const char *opt = l_opts[lidx].name;
b4692828
JA
2449 char *val = optarg;
2450
c2b1e753 2451 if (!strncmp(opt, "name", 4) && td) {
46bcd498 2452 ret = add_job(td, td->o.name ?: "fio", 0, 0, client_type);
66251554 2453 if (ret)
4a4ac4e3 2454 goto out_free;
c2b1e753 2455 td = NULL;
7d8ea970 2456 did_arg = 1;
c2b1e753 2457 }
b4692828 2458 if (!td) {
01f06b63 2459 int is_section = !strncmp(opt, "name", 4);
3106f220
JA
2460 int global = 0;
2461
01f06b63 2462 if (!is_section || !strncmp(val, "global", 6))
3106f220 2463 global = 1;
c2b1e753 2464
01f06b63
JA
2465 if (is_section && skip_this_section(val))
2466 continue;
2467
ef3d8e53 2468 td = get_new_job(global, &def_thread, 1, NULL);
f6ff24cb
JA
2469 if (!td || ioengine_load(td)) {
2470 if (td) {
2471 put_job(td);
2472 td = NULL;
2473 }
2474 do_exit++;
205a719e 2475 exit_val = 1;
f6ff24cb
JA
2476 break;
2477 }
de890a1e 2478 fio_options_set_ioengine_opts(l_opts, td);
b4692828 2479 }
38d0adb0 2480
9d918187
JA
2481 if ((!val || !strlen(val)) &&
2482 l_opts[lidx].has_arg == required_argument) {
2483 log_err("fio: option %s requires an argument\n", opt);
2484 ret = 1;
2485 } else
2486 ret = fio_cmd_option_parse(td, opt, val);
2487
bfb3ea22
JA
2488 if (ret) {
2489 if (td) {
2490 put_job(td);
2491 td = NULL;
2492 }
a88c8c14 2493 do_exit++;
205a719e 2494 exit_val = 1;
bfb3ea22 2495 }
de890a1e
SL
2496
2497 if (!ret && !strcmp(opt, "ioengine")) {
2498 free_ioengine(td);
f6ff24cb 2499 if (ioengine_load(td)) {
342f570e
JA
2500 put_job(td);
2501 td = NULL;
f6ff24cb 2502 do_exit++;
205a719e 2503 exit_val = 1;
f6ff24cb
JA
2504 break;
2505 }
de890a1e
SL
2506 fio_options_set_ioengine_opts(l_opts, td);
2507 }
2508 break;
2509 }
2510 case FIO_GETOPT_IOENGINE: {
2511 const char *opt = l_opts[lidx].name;
2512 char *val = optarg;
b1ed74e0
JA
2513
2514 if (!td)
2515 break;
2516
de890a1e 2517 ret = fio_cmd_ioengine_option_parse(td, opt, val);
b4692828
JA
2518 break;
2519 }
a9523c6f
JA
2520 case 'w':
2521 warnings_fatal = 1;
2522 break;
fca70358
JA
2523 case 'j':
2524 max_jobs = atoi(optarg);
2525 if (!max_jobs || max_jobs > REAL_MAX_JOBS) {
2526 log_err("fio: invalid max jobs: %d\n", max_jobs);
2527 do_exit++;
2528 exit_val = 1;
2529 }
2530 break;
50d16976 2531 case 'S':
7d8ea970 2532 did_arg = 1;
c8931876 2533#ifndef CONFIG_NO_SHM
a37f69b7 2534 if (nr_clients) {
132159a5
JA
2535 log_err("fio: can't be both client and server\n");
2536 do_exit++;
2537 exit_val = 1;
2538 break;
2539 }
87aa8f19 2540 if (optarg)
bebe6398 2541 fio_server_set_arg(optarg);
50d16976 2542 is_backend = 1;
81179eec 2543 backend = 1;
c8931876
JA
2544#else
2545 log_err("fio: client/server requires SHM support\n");
2546 do_exit++;
2547 exit_val = 1;
2548#endif
50d16976 2549 break;
e46d8091 2550 case 'D':
6cfe9a8c
JA
2551 if (pid_file)
2552 free(pid_file);
402668f3 2553 pid_file = strdup(optarg);
e46d8091 2554 break;
f2a2ce0e
HL
2555 case 'I':
2556 if ((ret = fio_idle_prof_parse_opt(optarg))) {
2557 /* exit on error and calibration only */
7d8ea970 2558 did_arg = 1;
f2a2ce0e 2559 do_exit++;
7d8ea970 2560 if (ret == -1)
f2a2ce0e
HL
2561 exit_val = 1;
2562 }
2563 break;
132159a5 2564 case 'C':
7d8ea970 2565 did_arg = 1;
132159a5
JA
2566 if (is_backend) {
2567 log_err("fio: can't be both client and server\n");
2568 do_exit++;
2569 exit_val = 1;
2570 break;
2571 }
08633c32
BE
2572 /* if --client parameter contains a pathname */
2573 if (0 == access(optarg, R_OK)) {
2574 /* file contains a list of host addrs or names */
2972708f 2575 char hostaddr[PATH_MAX] = {0};
08633c32
BE
2576 char formatstr[8];
2577 FILE * hostf = fopen(optarg, "r");
2578 if (!hostf) {
2579 log_err("fio: could not open client list file %s for read\n", optarg);
2580 do_exit++;
2581 exit_val = 1;
2582 break;
2583 }
2972708f
JA
2584 sprintf(formatstr, "%%%ds", PATH_MAX - 1);
2585 /*
2586 * read at most PATH_MAX-1 chars from each
2587 * record in this file
2588 */
08633c32
BE
2589 while (fscanf(hostf, formatstr, hostaddr) == 1) {
2590 /* expect EVERY host in file to be valid */
2591 if (fio_client_add(&fio_client_ops, hostaddr, &cur_client)) {
2592 log_err("fio: failed adding client %s from file %s\n", hostaddr, optarg);
2593 do_exit++;
2594 exit_val = 1;
2595 break;
2596 }
2597 }
2598 fclose(hostf);
2599 break; /* no possibility of job file for "this client only" */
2600 }
a5276616 2601 if (fio_client_add(&fio_client_ops, optarg, &cur_client)) {
bebe6398
JA
2602 log_err("fio: failed adding client %s\n", optarg);
2603 do_exit++;
2604 exit_val = 1;
2605 break;
2606 }
14ea90ed
JA
2607 /*
2608 * If the next argument exists and isn't an option,
2609 * assume it's a job file for this client only.
2610 */
2611 while (optind < argc) {
2612 if (!strncmp(argv[optind], "--", 2) ||
2613 !strncmp(argv[optind], "-", 1))
2614 break;
2615
bb781643 2616 if (fio_client_add_ini_file(cur_client, argv[optind], false))
323255cc 2617 break;
14ea90ed
JA
2618 optind++;
2619 }
132159a5 2620 break;
323255cc
JA
2621 case 'R':
2622 did_arg = 1;
bb781643 2623 if (fio_client_add_ini_file(cur_client, optarg, true)) {
323255cc
JA
2624 do_exit++;
2625 exit_val = 1;
2626 }
2627 break;
7d11f871 2628 case 'T':
7d8ea970 2629 did_arg = 1;
7d11f871 2630 do_exit++;
aad918e4 2631 exit_val = fio_monotonic_clocktest(1);
7d11f871 2632 break;
fec0f21c 2633 case 'G':
7d8ea970 2634 did_arg = 1;
fec0f21c
JA
2635 do_exit++;
2636 exit_val = fio_crctest(optarg);
2637 break;
06464907
JA
2638 case 'L': {
2639 long long val;
2640
88038bc7 2641 if (check_str_time(optarg, &val, 1)) {
06464907
JA
2642 log_err("fio: failed parsing time %s\n", optarg);
2643 do_exit++;
2644 exit_val = 1;
2645 break;
2646 }
88038bc7 2647 status_interval = val / 1000;
06464907
JA
2648 break;
2649 }
b63efd30 2650 case 'W':
f9cbae9e
JA
2651 if (trigger_file)
2652 free(trigger_file);
b63efd30
JA
2653 trigger_file = strdup(optarg);
2654 break;
2655 case 'H':
f9cbae9e
JA
2656 if (trigger_cmd)
2657 free(trigger_cmd);
b63efd30
JA
2658 trigger_cmd = strdup(optarg);
2659 break;
2660 case 'J':
f9cbae9e
JA
2661 if (trigger_remote_cmd)
2662 free(trigger_remote_cmd);
b63efd30 2663 trigger_remote_cmd = strdup(optarg);
ca09be4b 2664 break;
d264264a
JA
2665 case 'K':
2666 if (aux_path)
2667 free(aux_path);
2668 aux_path = strdup(optarg);
2669 break;
ca09be4b
JA
2670 case 'B':
2671 if (check_str_time(optarg, &trigger_timeout, 1)) {
2672 log_err("fio: failed parsing time %s\n", optarg);
2673 do_exit++;
2674 exit_val = 1;
2675 }
2676 trigger_timeout /= 1000000;
2677 break;
798827c8
JA
2678 case '?':
2679 log_err("%s: unrecognized option '%s'\n", argv[0],
2680 argv[optind - 1]);
a893c261 2681 show_closest_option(argv[optind - 1]);
b4692828 2682 default:
c09823ab
JA
2683 do_exit++;
2684 exit_val = 1;
b4692828 2685 break;
ebac4655 2686 }
c7d5c941
JA
2687 if (do_exit)
2688 break;
ebac4655 2689 }
c9fad893 2690
0b14f0a8
JA
2691 if (do_exit && !(is_backend || nr_clients))
2692 exit(exit_val);
536582bf 2693
fb296043
JA
2694 if (nr_clients && fio_clients_connect())
2695 exit(1);
132159a5 2696
81179eec 2697 if (is_backend && backend)
402668f3 2698 return fio_start_server(pid_file);
b8ba87ac
JA
2699 else if (pid_file)
2700 free(pid_file);
50d16976 2701
b4692828 2702 if (td) {
7d8ea970 2703 if (!ret) {
46bcd498 2704 ret = add_job(td, td->o.name ?: "fio", 0, 0, client_type);
7d8ea970
JA
2705 if (ret)
2706 did_arg = 1;
2707 }
972cfd25 2708 }
774a6177 2709
7874f8b7 2710 while (!ret && optind < argc) {
b4692828
JA
2711 ini_idx++;
2712 ini_file = realloc(ini_file, ini_idx * sizeof(char *));
2713 ini_file[ini_idx - 1] = strdup(argv[optind]);
2714 optind++;
eb8bbf48 2715 }
972cfd25 2716
4a4ac4e3
JA
2717out_free:
2718 if (pid_file)
2719 free(pid_file);
2720
972cfd25 2721 return ini_idx;
ebac4655
JA
2722}
2723
0420ba6a 2724int fio_init_options(void)
ebac4655 2725{
b4692828
JA
2726 f_out = stdout;
2727 f_err = stderr;
2728
4c6107ff 2729 fio_options_fill_optstring();
5ec10eaa 2730 fio_options_dup_and_init(l_opts);
b4692828 2731
9d9eb2e7
JA
2732 atexit(free_shm);
2733
ebac4655
JA
2734 if (fill_def_thread())
2735 return 1;
2736
0420ba6a
JA
2737 return 0;
2738}
2739
51167799
JA
2740extern int fio_check_options(struct thread_options *);
2741
0420ba6a
JA
2742int parse_options(int argc, char *argv[])
2743{
46bcd498 2744 const int type = FIO_CLIENT_TYPE_CLI;
0420ba6a
JA
2745 int job_files, i;
2746
2747 if (fio_init_options())
2748 return 1;
51167799
JA
2749 if (fio_test_cconv(&def_thread.o))
2750 log_err("fio: failed internal cconv test\n");
0420ba6a 2751
46bcd498 2752 job_files = parse_cmd_line(argc, argv, type);
ebac4655 2753
cdf54d85
JA
2754 if (job_files > 0) {
2755 for (i = 0; i < job_files; i++) {
bc4f5ef6 2756 if (i && fill_def_thread())
132159a5 2757 return 1;
cdf54d85
JA
2758 if (nr_clients) {
2759 if (fio_clients_send_ini(ini_file[i]))
2760 return 1;
2761 free(ini_file[i]);
2762 } else if (!is_backend) {
46bcd498 2763 if (parse_jobs_ini(ini_file[i], 0, i, type))
cdf54d85
JA
2764 return 1;
2765 free(ini_file[i]);
2766 }
132159a5 2767 }
14ea90ed
JA
2768 } else if (nr_clients) {
2769 if (fill_def_thread())
2770 return 1;
2771 if (fio_clients_send_ini(NULL))
2772 return 1;
972cfd25 2773 }
ebac4655 2774
88c6ed80 2775 free(ini_file);
7e356b2d 2776 fio_options_free(&def_thread);
bcbfeefa 2777 filesetup_mem_free();
b4692828
JA
2778
2779 if (!thread_number) {
f9633d72 2780 if (parse_dryrun())
cca73aa7 2781 return 0;
07b3232d
JA
2782 if (exec_profile)
2783 return 0;
a37f69b7 2784 if (is_backend || nr_clients)
5c341e9a 2785 return 0;
085399db
JA
2786 if (did_arg)
2787 return 0;
cca73aa7 2788
d65e11c6 2789 log_err("No jobs(s) defined\n\n");
085399db
JA
2790
2791 if (!did_arg) {
2792 usage(argv[0]);
2793 return 1;
2794 }
2795
2796 return 0;
b4692828
JA
2797 }
2798
129fb2d4 2799 if (output_format & FIO_OUTPUT_NORMAL)
3d43382c 2800 log_info("%s\n", fio_version_string);
f6dea4d3 2801
ebac4655
JA
2802 return 0;
2803}
588b7f09
JA
2804
2805void options_default_fill(struct thread_options *o)
2806{
2807 memcpy(o, &def_thread.o, sizeof(*o));
2808}
c2292325 2809
66e19a38 2810struct thread_data *get_global_options(void)
c2292325 2811{
66e19a38 2812 return &def_thread;
c2292325 2813}