Fix stat(2) related bugs introduced by changes made for Windows
[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 862 if (td->o.block_error_hist && td->o.nr_files != 1) {
b3ec877c 863 log_err("fio: block error histogram only available "
66347cfa
DE
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
d5b78f5a
TK
914#ifndef WIN32 /* NOT Windows */
915 if (S_ISREG(sb.st_mode))
916 return 0;
917#else
ecc314ba
BC
918 /* \\.\ is the device namespace in Windows, where every file
919 * is a device node */
920 if (S_ISREG(sb.st_mode) && strncmp(filename, "\\\\.\\", 4) != 0)
e132cbae 921 return 0;
d5b78f5a 922#endif
e132cbae
JA
923
924 return 1;
925}
926
99c94a6b
JA
927static void init_rand_file_service(struct thread_data *td)
928{
929 unsigned long nranges = td->o.nr_files << FIO_FSERVICE_SHIFT;
930 const unsigned int seed = td->rand_seeds[FIO_RAND_FILE_OFF];
931
932 if (td->o.file_service_type == FIO_FSERVICE_ZIPF) {
933 zipf_init(&td->next_file_zipf, nranges, td->zipf_theta, seed);
934 zipf_disable_hash(&td->next_file_zipf);
935 } else if (td->o.file_service_type == FIO_FSERVICE_PARETO) {
936 pareto_init(&td->next_file_zipf, nranges, td->pareto_h, seed);
937 zipf_disable_hash(&td->next_file_zipf);
938 } else if (td->o.file_service_type == FIO_FSERVICE_GAUSS) {
939 gauss_init(&td->next_file_gauss, nranges, td->gauss_dev, seed);
940 gauss_disable_hash(&td->next_file_gauss);
941 }
942}
943
8f380de2
CJ
944void td_fill_verify_state_seed(struct thread_data *td)
945{
946 bool use64;
947
948 if (td->o.random_generator == FIO_RAND_GEN_TAUSWORTHE64)
949 use64 = 1;
950 else
951 use64 = 0;
952
953 init_rand_seed(&td->verify_state, td->rand_seeds[FIO_RAND_VER_OFF],
954 use64);
955}
956
36dd3379 957static void td_fill_rand_seeds_internal(struct thread_data *td, bool use64)
4c07ad86 958{
36dd3379
JA
959 int i;
960
c3546b53 961 init_rand_seed(&td->bsrange_state, td->rand_seeds[FIO_RAND_BS_OFF], use64);
8f380de2 962 td_fill_verify_state_seed(td);
36dd3379 963 init_rand_seed(&td->rwmix_state, td->rand_seeds[FIO_RAND_MIX_OFF], false);
4c07ad86
JA
964
965 if (td->o.file_service_type == FIO_FSERVICE_RANDOM)
c3546b53 966 init_rand_seed(&td->next_file_state, td->rand_seeds[FIO_RAND_FILE_OFF], use64);
99c94a6b
JA
967 else if (td->o.file_service_type & __FIO_FSERVICE_NONUNIFORM)
968 init_rand_file_service(td);
4c07ad86 969
c3546b53
JA
970 init_rand_seed(&td->file_size_state, td->rand_seeds[FIO_RAND_FILE_SIZE_OFF], use64);
971 init_rand_seed(&td->trim_state, td->rand_seeds[FIO_RAND_TRIM_OFF], use64);
972 init_rand_seed(&td->delay_state, td->rand_seeds[FIO_RAND_START_DELAY], use64);
e7b24047 973 init_rand_seed(&td->poisson_state, td->rand_seeds[FIO_RAND_POISSON_OFF], 0);
36dd3379
JA
974 init_rand_seed(&td->dedupe_state, td->rand_seeds[FIO_DEDUPE_OFF], false);
975 init_rand_seed(&td->zone_state, td->rand_seeds[FIO_RAND_ZONE_OFF], false);
4c07ad86
JA
976
977 if (!td_random(td))
978 return;
979
980 if (td->o.rand_repeatable)
d24945f0 981 td->rand_seeds[FIO_RAND_BLOCK_OFF] = FIO_RANDSEED * td->thread_number;
4c07ad86 982
c3546b53 983 init_rand_seed(&td->random_state, td->rand_seeds[FIO_RAND_BLOCK_OFF], use64);
36dd3379
JA
984
985 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
986 struct frand_state *s = &td->seq_rand_state[i];
987
988 init_rand_seed(s, td->rand_seeds[FIO_RAND_SEQ_RAND_READ_OFF], false);
989 }
5bfc35d7
JA
990}
991
4c07ad86
JA
992void td_fill_rand_seeds(struct thread_data *td)
993{
36dd3379 994 bool use64;
c3546b53 995
56e2a5fc 996 if (td->o.allrand_repeatable) {
5c94b008
JA
997 unsigned int i;
998
999 for (i = 0; i < FIO_RAND_NR_OFFS; i++)
56e2a5fc
CE
1000 td->rand_seeds[i] = FIO_RANDSEED * td->thread_number
1001 + i;
1002 }
1003
c3546b53
JA
1004 if (td->o.random_generator == FIO_RAND_GEN_TAUSWORTHE64)
1005 use64 = 1;
1006 else
1007 use64 = 0;
1008
1009 td_fill_rand_seeds_internal(td, use64);
3545a109 1010
c3546b53 1011 init_rand_seed(&td->buf_state, td->rand_seeds[FIO_RAND_BUF_OFF], use64);
5c94b008 1012 frand_copy(&td->buf_state_prev, &td->buf_state);
4c07ad86
JA
1013}
1014
de890a1e
SL
1015/*
1016 * Initializes the ioengine configured for a job, if it has not been done so
1017 * already.
1018 */
1019int ioengine_load(struct thread_data *td)
1020{
1021 const char *engine;
1022
1023 /*
1024 * Engine has already been loaded.
1025 */
1026 if (td->io_ops)
1027 return 0;
6e5c4b8e
JA
1028 if (!td->o.ioengine) {
1029 log_err("fio: internal fault, no IO engine specified\n");
1030 return 1;
1031 }
de890a1e
SL
1032
1033 engine = get_engine_name(td->o.ioengine);
1034 td->io_ops = load_ioengine(td, engine);
1035 if (!td->io_ops) {
1036 log_err("fio: failed to load engine %s\n", engine);
1037 return 1;
1038 }
1039
1040 if (td->io_ops->option_struct_size && td->io_ops->options) {
1041 /*
1042 * In cases where td->eo is set, clone it for a child thread.
1043 * This requires that the parent thread has the same ioengine,
1044 * but that requirement must be enforced by the code which
1045 * cloned the thread.
1046 */
1047 void *origeo = td->eo;
1048 /*
1049 * Otherwise use the default thread options.
1050 */
1051 if (!origeo && td != &def_thread && def_thread.eo &&
1052 def_thread.io_ops->options == td->io_ops->options)
1053 origeo = def_thread.eo;
1054
1055 options_init(td->io_ops->options);
1056 td->eo = malloc(td->io_ops->option_struct_size);
1057 /*
1058 * Use the default thread as an option template if this uses the
1059 * same options structure and there are non-default options
1060 * used.
1061 */
1062 if (origeo) {
1063 memcpy(td->eo, origeo, td->io_ops->option_struct_size);
1064 options_mem_dupe(td->eo, td->io_ops->options);
1065 } else {
1066 memset(td->eo, 0, td->io_ops->option_struct_size);
1067 fill_default_options(td->eo, td->io_ops->options);
1068 }
1069 *(struct thread_data **)td->eo = td;
1070 }
1071
1072 return 0;
1073}
1074
d72be545
JA
1075static void init_flags(struct thread_data *td)
1076{
1077 struct thread_options *o = &td->o;
1078
1079 if (o->verify_backlog)
1080 td->flags |= TD_F_VER_BACKLOG;
1081 if (o->trim_backlog)
1082 td->flags |= TD_F_TRIM_BACKLOG;
1083 if (o->read_iolog_file)
1084 td->flags |= TD_F_READ_IOLOG;
1085 if (o->refill_buffers)
1086 td->flags |= TD_F_REFILL_BUFFERS;
1bf2498d 1087 /*
b04f5905 1088 * Always scramble buffers if asked to
1bf2498d 1089 */
b04f5905
JA
1090 if (o->scramble_buffers && fio_option_is_set(o, scramble_buffers))
1091 td->flags |= TD_F_SCRAMBLE_BUFFERS;
1092 /*
1093 * But also scramble buffers, unless we were explicitly asked
1094 * to zero them.
1095 */
1096 if (o->scramble_buffers && !(o->zero_buffers &&
1097 fio_option_is_set(o, zero_buffers)))
d72be545
JA
1098 td->flags |= TD_F_SCRAMBLE_BUFFERS;
1099 if (o->verify != VERIFY_NONE)
1100 td->flags |= TD_F_VER_NONE;
a9da8ab2
JA
1101
1102 if (o->verify_async || o->io_submit_mode == IO_MODE_OFFLOAD)
1103 td->flags |= TD_F_NEED_LOCK;
d72be545
JA
1104}
1105
9dbc7bfe
JA
1106static int setup_random_seeds(struct thread_data *td)
1107{
1108 unsigned long seed;
1109 unsigned int i;
1110
40fe5e7b 1111 if (!td->o.rand_repeatable && !fio_option_is_set(&td->o, rand_seed))
9dbc7bfe
JA
1112 return init_random_state(td, td->rand_seeds, sizeof(td->rand_seeds));
1113
40fe5e7b 1114 seed = td->o.rand_seed;
04778baf 1115 for (i = 0; i < 4; i++)
9dbc7bfe
JA
1116 seed *= 0x9e370001UL;
1117
1118 for (i = 0; i < FIO_RAND_NR_OFFS; i++) {
87a0ea3b 1119 td->rand_seeds[i] = seed * td->thread_number + i;
9dbc7bfe
JA
1120 seed *= 0x9e370001UL;
1121 }
1122
1123 td_fill_rand_seeds(td);
1124 return 0;
1125}
1126
de98bd30
JA
1127enum {
1128 FPRE_NONE = 0,
1129 FPRE_JOBNAME,
1130 FPRE_JOBNUM,
1131 FPRE_FILENUM
1132};
1133
1134static struct fpre_keyword {
1135 const char *keyword;
1136 size_t strlen;
1137 int key;
1138} fpre_keywords[] = {
1139 { .keyword = "$jobname", .key = FPRE_JOBNAME, },
1140 { .keyword = "$jobnum", .key = FPRE_JOBNUM, },
1141 { .keyword = "$filenum", .key = FPRE_FILENUM, },
1142 { .keyword = NULL, },
1143 };
1144
3660ceae 1145static char *make_filename(char *buf, size_t buf_size,struct thread_options *o,
de98bd30
JA
1146 const char *jobname, int jobnum, int filenum)
1147{
1148 struct fpre_keyword *f;
1149 char copy[PATH_MAX];
b400a20e 1150 size_t dst_left = PATH_MAX - 1;
de98bd30
JA
1151
1152 if (!o->filename_format || !strlen(o->filename_format)) {
1153 sprintf(buf, "%s.%d.%d", jobname, jobnum, filenum);
1154 return NULL;
1155 }
1156
1157 for (f = &fpre_keywords[0]; f->keyword; f++)
1158 f->strlen = strlen(f->keyword);
1159
3660ceae
JA
1160 buf[buf_size - 1] = '\0';
1161 strncpy(buf, o->filename_format, buf_size - 1);
1162
de98bd30
JA
1163 memset(copy, 0, sizeof(copy));
1164 for (f = &fpre_keywords[0]; f->keyword; f++) {
1165 do {
1166 size_t pre_len, post_start = 0;
1167 char *str, *dst = copy;
1168
e25b6d5a 1169 str = strcasestr(buf, f->keyword);
de98bd30
JA
1170 if (!str)
1171 break;
1172
1173 pre_len = str - buf;
1174 if (strlen(str) != f->strlen)
1175 post_start = pre_len + f->strlen;
1176
1177 if (pre_len) {
1178 strncpy(dst, buf, pre_len);
1179 dst += pre_len;
73a467e6 1180 dst_left -= pre_len;
de98bd30
JA
1181 }
1182
1183 switch (f->key) {
73a467e6
JA
1184 case FPRE_JOBNAME: {
1185 int ret;
1186
1187 ret = snprintf(dst, dst_left, "%s", jobname);
1188 if (ret < 0)
1189 break;
17a2be59
JA
1190 else if (ret > dst_left) {
1191 log_err("fio: truncated filename\n");
1192 dst += dst_left;
1193 dst_left = 0;
1194 } else {
1195 dst += ret;
1196 dst_left -= ret;
1197 }
de98bd30 1198 break;
73a467e6
JA
1199 }
1200 case FPRE_JOBNUM: {
1201 int ret;
1202
1203 ret = snprintf(dst, dst_left, "%d", jobnum);
1204 if (ret < 0)
1205 break;
17a2be59
JA
1206 else if (ret > dst_left) {
1207 log_err("fio: truncated filename\n");
1208 dst += dst_left;
1209 dst_left = 0;
1210 } else {
1211 dst += ret;
1212 dst_left -= ret;
1213 }
de98bd30 1214 break;
73a467e6
JA
1215 }
1216 case FPRE_FILENUM: {
1217 int ret;
1218
1219 ret = snprintf(dst, dst_left, "%d", filenum);
1220 if (ret < 0)
1221 break;
17a2be59
JA
1222 else if (ret > dst_left) {
1223 log_err("fio: truncated filename\n");
1224 dst += dst_left;
1225 dst_left = 0;
1226 } else {
1227 dst += ret;
1228 dst_left -= ret;
1229 }
de98bd30 1230 break;
73a467e6 1231 }
de98bd30
JA
1232 default:
1233 assert(0);
1234 break;
1235 }
1236
1237 if (post_start)
73a467e6 1238 strncpy(dst, buf + post_start, dst_left);
de98bd30 1239
3660ceae 1240 strncpy(buf, copy, buf_size - 1);
de98bd30
JA
1241 } while (1);
1242 }
1243
1244 return buf;
1245}
f9633d72
JA
1246
1247int parse_dryrun(void)
1248{
1249 return dump_cmdline || parse_only;
1250}
1251
3a5db920
JA
1252static void gen_log_name(char *name, size_t size, const char *logtype,
1253 const char *logname, unsigned int num,
1254 const char *suf, int per_job)
1255{
1256 if (per_job)
1257 snprintf(name, size, "%s_%s.%d.%s", logname, logtype, num, suf);
1258 else
1259 snprintf(name, size, "%s_%s.%s", logname, logtype, suf);
1260}
1261
9cc8cb91
AK
1262static int check_waitees(char *waitee)
1263{
1264 struct thread_data *td;
1265 int i, ret = 0;
1266
1267 for_each_td(td, i) {
1268 if (td->subjob_number)
1269 continue;
1270
1271 ret += !strcmp(td->o.name, waitee);
1272 }
1273
1274 return ret;
1275}
1276
1277static bool wait_for_ok(const char *jobname, struct thread_options *o)
1278{
1279 int nw;
1280
1281 if (!o->wait_for)
1282 return true;
1283
1284 if (!strcmp(jobname, o->wait_for)) {
1285 log_err("%s: a job cannot wait for itself (wait_for=%s).\n",
1286 jobname, o->wait_for);
1287 return false;
1288 }
1289
1290 if (!(nw = check_waitees(o->wait_for))) {
1291 log_err("%s: waitee job %s unknown.\n", jobname, o->wait_for);
1292 return false;
1293 }
1294
1295 if (nw > 1) {
1296 log_err("%s: multiple waitees %s found,\n"
1297 "please avoid duplicates when using wait_for option.\n",
1298 jobname, o->wait_for);
1299 return false;
1300 }
1301
1302 return true;
1303}
1304
906c8d75
JA
1305/*
1306 * Adds a job to the list of things todo. Sanitizes the various options
1307 * to make sure we don't have conflicts, and initializes various
1308 * members of td.
1309 */
b7cfb2e1 1310static int add_job(struct thread_data *td, const char *jobname, int job_add_num,
46bcd498 1311 int recursed, int client_type)
ebac4655 1312{
af52b345 1313 unsigned int i;
af52b345 1314 char fname[PATH_MAX];
e132cbae 1315 int numjobs, file_alloced;
de98bd30 1316 struct thread_options *o = &td->o;
cb7e0ace 1317 char logname[PATH_MAX + 32];
ebac4655 1318
ebac4655
JA
1319 /*
1320 * the def_thread is just for options, it's not a real job
1321 */
1322 if (td == &def_thread)
1323 return 0;
1324
d72be545
JA
1325 init_flags(td);
1326
cca73aa7
JA
1327 /*
1328 * if we are just dumping the output command line, don't add the job
1329 */
f9633d72 1330 if (parse_dryrun()) {
cca73aa7
JA
1331 put_job(td);
1332 return 0;
1333 }
1334
46bcd498
JA
1335 td->client_type = client_type;
1336
58c55ba0 1337 if (profile_td_init(td))
66251554 1338 goto err;
58c55ba0 1339
de890a1e 1340 if (ioengine_load(td))
205927a3 1341 goto err;
df64119d 1342
de98bd30 1343 if (o->odirect)
690adba3
JA
1344 td->io_ops->flags |= FIO_RAWIO;
1345
e132cbae 1346 file_alloced = 0;
de98bd30 1347 if (!o->filename && !td->files_index && !o->read_iolog_file) {
e132cbae 1348 file_alloced = 1;
80be24f4 1349
de98bd30 1350 if (o->nr_files == 1 && exists_and_not_file(jobname))
5903e7b7 1351 add_file(td, jobname, job_add_num, 0);
7b05a215 1352 else {
de98bd30 1353 for (i = 0; i < o->nr_files; i++)
3660ceae 1354 add_file(td, make_filename(fname, sizeof(fname), o, jobname, job_add_num, i), job_add_num, 0);
af52b345 1355 }
0af7b542 1356 }
ebac4655 1357
4e991c23
JA
1358 if (fixup_options(td))
1359 goto err;
e0a22335 1360
9cc8cb91
AK
1361 /*
1362 * Belongs to fixup_options, but o->name is not necessarily set as yet
1363 */
1364 if (!wait_for_ok(jobname, o))
1365 goto err;
1366
9e684a49
DE
1367 flow_init_job(td);
1368
de890a1e
SL
1369 /*
1370 * IO engines only need this for option callbacks, and the address may
1371 * change in subprocesses.
1372 */
1373 if (td->eo)
1374 *(struct thread_data **)td->eo = NULL;
1375
07eb79df
JA
1376 if (td->io_ops->flags & FIO_DISKLESSIO) {
1377 struct fio_file *f;
1378
1379 for_each_file(td, f, i)
1380 f->real_file_size = -1ULL;
1381 }
1382
521da527 1383 td->mutex = fio_mutex_init(FIO_MUTEX_LOCKED);
ebac4655 1384
de98bd30
JA
1385 td->ts.clat_percentiles = o->clat_percentiles;
1386 td->ts.percentile_precision = o->percentile_precision;
1387 memcpy(td->ts.percentile_list, o->percentile_list, sizeof(o->percentile_list));
83349190 1388
6eaf09d6
SL
1389 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
1390 td->ts.clat_stat[i].min_val = ULONG_MAX;
1391 td->ts.slat_stat[i].min_val = ULONG_MAX;
1392 td->ts.lat_stat[i].min_val = ULONG_MAX;
1393 td->ts.bw_stat[i].min_val = ULONG_MAX;
1394 }
de98bd30 1395 td->ddir_seq_nr = o->ddir_seq_nr;
ebac4655 1396
de98bd30 1397 if ((o->stonewall || o->new_group) && prev_group_jobs) {
3c5df6fa 1398 prev_group_jobs = 0;
ebac4655 1399 groupid++;
d883efbd
JA
1400 if (groupid == INT_MAX) {
1401 log_err("fio: too many groups defined\n");
1402 goto err;
1403 }
3c5df6fa 1404 }
ebac4655
JA
1405
1406 td->groupid = groupid;
3c5df6fa 1407 prev_group_jobs++;
ebac4655 1408
9dbc7bfe 1409 if (setup_random_seeds(td)) {
93bcfd20 1410 td_verror(td, errno, "init_random_state");
9c60ce64 1411 goto err;
93bcfd20 1412 }
9c60ce64 1413
ebac4655
JA
1414 if (setup_rate(td))
1415 goto err;
1416
cb7e0ace 1417 if (o->lat_log_file) {
aee2ab67
JA
1418 struct log_params p = {
1419 .td = td,
1420 .avg_msec = o->log_avg_msec,
1421 .log_type = IO_LOG_TYPE_LAT,
1422 .log_offset = o->log_offset,
1423 .log_gz = o->log_gz,
b26317c9 1424 .log_gz_store = o->log_gz_store,
aee2ab67 1425 };
b26317c9 1426 const char *suf;
aee2ab67 1427
b26317c9
JA
1428 if (p.log_gz_store)
1429 suf = "log.fz";
1430 else
1431 suf = "log";
1432
3a5db920
JA
1433 gen_log_name(logname, sizeof(logname), "lat", o->lat_log_file,
1434 td->thread_number, suf, o->per_job_logs);
aee2ab67 1435 setup_log(&td->lat_log, &p, logname);
3a5db920
JA
1436
1437 gen_log_name(logname, sizeof(logname), "slat", o->lat_log_file,
1438 td->thread_number, suf, o->per_job_logs);
aee2ab67 1439 setup_log(&td->slat_log, &p, logname);
3a5db920
JA
1440
1441 gen_log_name(logname, sizeof(logname), "clat", o->lat_log_file,
1442 td->thread_number, suf, o->per_job_logs);
aee2ab67 1443 setup_log(&td->clat_log, &p, logname);
ebac4655 1444 }
cb7e0ace 1445 if (o->bw_log_file) {
aee2ab67
JA
1446 struct log_params p = {
1447 .td = td,
1448 .avg_msec = o->log_avg_msec,
1449 .log_type = IO_LOG_TYPE_BW,
1450 .log_offset = o->log_offset,
1451 .log_gz = o->log_gz,
b26317c9 1452 .log_gz_store = o->log_gz_store,
aee2ab67 1453 };
b26317c9
JA
1454 const char *suf;
1455
a47591e4
JA
1456 if (fio_option_is_set(o, bw_avg_time))
1457 p.avg_msec = min(o->log_avg_msec, o->bw_avg_time);
1458 else
1459 o->bw_avg_time = p.avg_msec;
1460
b26317c9
JA
1461 if (p.log_gz_store)
1462 suf = "log.fz";
1463 else
1464 suf = "log";
aee2ab67 1465
3a5db920
JA
1466 gen_log_name(logname, sizeof(logname), "bw", o->bw_log_file,
1467 td->thread_number, suf, o->per_job_logs);
aee2ab67 1468 setup_log(&td->bw_log, &p, logname);
cb7e0ace
JA
1469 }
1470 if (o->iops_log_file) {
aee2ab67
JA
1471 struct log_params p = {
1472 .td = td,
1473 .avg_msec = o->log_avg_msec,
1474 .log_type = IO_LOG_TYPE_IOPS,
1475 .log_offset = o->log_offset,
1476 .log_gz = o->log_gz,
b26317c9 1477 .log_gz_store = o->log_gz_store,
aee2ab67 1478 };
b26317c9
JA
1479 const char *suf;
1480
a47591e4
JA
1481 if (fio_option_is_set(o, iops_avg_time))
1482 p.avg_msec = min(o->log_avg_msec, o->iops_avg_time);
1483 else
1484 o->iops_avg_time = p.avg_msec;
1485
b26317c9
JA
1486 if (p.log_gz_store)
1487 suf = "log.fz";
1488 else
1489 suf = "log";
aee2ab67 1490
3a5db920
JA
1491 gen_log_name(logname, sizeof(logname), "iops", o->iops_log_file,
1492 td->thread_number, suf, o->per_job_logs);
aee2ab67 1493 setup_log(&td->iops_log, &p, logname);
cb7e0ace 1494 }
ebac4655 1495
de98bd30
JA
1496 if (!o->name)
1497 o->name = strdup(jobname);
01452055 1498
129fb2d4 1499 if (output_format & FIO_OUTPUT_NORMAL) {
b990b5c0 1500 if (!job_add_num) {
b7cfb2e1 1501 if (is_backend && !recursed)
2f122b13 1502 fio_server_send_add_job(td);
807f9971 1503
0353050f 1504 if (!(td->io_ops->flags & FIO_NOIO)) {
d21e2535
JA
1505 char *c1, *c2, *c3, *c4;
1506 char *c5 = NULL, *c6 = NULL;
f8977ee6 1507
22f80458
JA
1508 c1 = fio_uint_to_kmg(o->min_bs[DDIR_READ]);
1509 c2 = fio_uint_to_kmg(o->max_bs[DDIR_READ]);
1510 c3 = fio_uint_to_kmg(o->min_bs[DDIR_WRITE]);
1511 c4 = fio_uint_to_kmg(o->max_bs[DDIR_WRITE]);
d21e2535
JA
1512
1513 if (!o->bs_is_seq_rand) {
1514 c5 = fio_uint_to_kmg(o->min_bs[DDIR_TRIM]);
1515 c6 = fio_uint_to_kmg(o->max_bs[DDIR_TRIM]);
1516 }
1517
1518 log_info("%s: (g=%d): rw=%s, ", td->o.name,
1519 td->groupid,
1520 ddir_str(o->td_ddir));
1521
1522 if (o->bs_is_seq_rand)
1523 log_info("bs(seq/rand)=%s-%s/%s-%s, ",
1524 c1, c2, c3, c4);
1525 else
1526 log_info("bs=%s-%s/%s-%s/%s-%s, ",
1527 c1, c2, c3, c4, c5, c6);
1528
1529 log_info("ioengine=%s, iodepth=%u\n",
de98bd30 1530 td->io_ops->name, o->iodepth);
f8977ee6
JA
1531
1532 free(c1);
1533 free(c2);
1534 free(c3);
1535 free(c4);
6eaf09d6
SL
1536 free(c5);
1537 free(c6);
f8977ee6 1538 }
b990b5c0 1539 } else if (job_add_num == 1)
6d86144d 1540 log_info("...\n");
c6ae0a5b 1541 }
ebac4655
JA
1542
1543 /*
1544 * recurse add identical jobs, clear numjobs and stonewall options
1545 * as they don't apply to sub-jobs
1546 */
de98bd30 1547 numjobs = o->numjobs;
ebac4655 1548 while (--numjobs) {
ef3d8e53 1549 struct thread_data *td_new = get_new_job(0, td, 1, jobname);
ebac4655
JA
1550
1551 if (!td_new)
1552 goto err;
1553
2dc1bbeb
JA
1554 td_new->o.numjobs = 1;
1555 td_new->o.stonewall = 0;
92c1d41f 1556 td_new->o.new_group = 0;
69bdd6ba 1557 td_new->subjob_number = numjobs;
e132cbae
JA
1558
1559 if (file_alloced) {
455a50fa
CE
1560 if (td_new->files) {
1561 struct fio_file *f;
1562 for_each_file(td_new, f, i) {
1563 if (f->file_name)
ece6d647
AK
1564 sfree(f->file_name);
1565 sfree(f);
455a50fa 1566 }
ece6d647 1567 free(td_new->files);
455a50fa
CE
1568 td_new->files = NULL;
1569 }
ece6d647
AK
1570 td_new->files_index = 0;
1571 td_new->files_size = 0;
455a50fa
CE
1572 if (td_new->o.filename) {
1573 free(td_new->o.filename);
1574 td_new->o.filename = NULL;
1575 }
e132cbae
JA
1576 }
1577
bcbfeefa 1578 if (add_job(td_new, jobname, numjobs, 1, client_type))
ebac4655
JA
1579 goto err;
1580 }
3c5df6fa 1581
ebac4655
JA
1582 return 0;
1583err:
1584 put_job(td);
1585 return -1;
1586}
1587
79d16311
JA
1588/*
1589 * Parse as if 'o' was a command line
1590 */
46bcd498 1591void add_job_opts(const char **o, int client_type)
79d16311
JA
1592{
1593 struct thread_data *td, *td_parent;
1594 int i, in_global = 1;
1595 char jobname[32];
1596
1597 i = 0;
1598 td_parent = td = NULL;
1599 while (o[i]) {
1600 if (!strncmp(o[i], "name", 4)) {
1601 in_global = 0;
1602 if (td)
46bcd498 1603 add_job(td, jobname, 0, 0, client_type);
79d16311
JA
1604 td = NULL;
1605 sprintf(jobname, "%s", o[i] + 5);
1606 }
1607 if (in_global && !td_parent)
ef3d8e53 1608 td_parent = get_new_job(1, &def_thread, 0, jobname);
79d16311
JA
1609 else if (!in_global && !td) {
1610 if (!td_parent)
1611 td_parent = &def_thread;
ef3d8e53 1612 td = get_new_job(0, td_parent, 0, jobname);
79d16311
JA
1613 }
1614 if (in_global)
c2292325 1615 fio_options_parse(td_parent, (char **) &o[i], 1);
79d16311 1616 else
c2292325 1617 fio_options_parse(td, (char **) &o[i], 1);
79d16311
JA
1618 i++;
1619 }
1620
1621 if (td)
46bcd498 1622 add_job(td, jobname, 0, 0, client_type);
79d16311
JA
1623}
1624
01f06b63
JA
1625static int skip_this_section(const char *name)
1626{
ad0a2735
JA
1627 int i;
1628
1629 if (!nr_job_sections)
01f06b63
JA
1630 return 0;
1631 if (!strncmp(name, "global", 6))
1632 return 0;
1633
ad0a2735
JA
1634 for (i = 0; i < nr_job_sections; i++)
1635 if (!strcmp(job_sections[i], name))
1636 return 0;
1637
1638 return 1;
01f06b63
JA
1639}
1640
ebac4655
JA
1641static int is_empty_or_comment(char *line)
1642{
1643 unsigned int i;
1644
1645 for (i = 0; i < strlen(line); i++) {
1646 if (line[i] == ';')
1647 return 1;
5cc2da30
IM
1648 if (line[i] == '#')
1649 return 1;
76cd9378 1650 if (!isspace((int) line[i]) && !iscntrl((int) line[i]))
ebac4655
JA
1651 return 0;
1652 }
1653
1654 return 1;
1655}
1656
07261983
JA
1657/*
1658 * This is our [ini] type file parser.
1659 */
b3270921
AK
1660int __parse_jobs_ini(struct thread_data *td,
1661 char *file, int is_buf, int stonewall_flag, int type,
1662 int nested, char *name, char ***popts, int *aopts, int *nopts)
ebac4655 1663{
b3270921
AK
1664 unsigned int global = 0;
1665 char *string;
ebac4655
JA
1666 FILE *f;
1667 char *p;
0c7e37a0 1668 int ret = 0, stonewall;
097b2991 1669 int first_sect = 1;
ccf8f127 1670 int skip_fgets = 0;
01f06b63 1671 int inside_skip = 0;
3b8b7135
JA
1672 char **opts;
1673 int i, alloc_opts, num_opts;
ebac4655 1674
b3270921
AK
1675 dprint(FD_PARSE, "Parsing ini file %s\n", file);
1676 assert(td || !nested);
1677
50d16976
JA
1678 if (is_buf)
1679 f = NULL;
1680 else {
1681 if (!strcmp(file, "-"))
1682 f = stdin;
1683 else
1684 f = fopen(file, "r");
5a729cbe 1685
50d16976 1686 if (!f) {
323255cc
JA
1687 int __err = errno;
1688
1689 log_err("fio: unable to open '%s' job file\n", file);
02957cd4
JA
1690 if (td)
1691 td_verror(td, __err, "job file open");
50d16976
JA
1692 return 1;
1693 }
ebac4655
JA
1694 }
1695
1696 string = malloc(4096);
7f7e6e59
JA
1697
1698 /*
1699 * it's really 256 + small bit, 280 should suffice
1700 */
b3270921
AK
1701 if (!nested) {
1702 name = malloc(280);
1703 memset(name, 0, 280);
1704 }
ebac4655 1705
b3270921
AK
1706 opts = NULL;
1707 if (nested && popts) {
1708 opts = *popts;
1709 alloc_opts = *aopts;
1710 num_opts = *nopts;
1711 }
1712
1713 if (!opts) {
1714 alloc_opts = 8;
1715 opts = malloc(sizeof(char *) * alloc_opts);
1716 num_opts = 0;
1717 }
3b8b7135 1718
0c7e37a0 1719 stonewall = stonewall_flag;
7c124ac1 1720 do {
ccf8f127
JA
1721 /*
1722 * if skip_fgets is set, we already have loaded a line we
1723 * haven't handled.
1724 */
1725 if (!skip_fgets) {
50d16976
JA
1726 if (is_buf)
1727 p = strsep(&file, "\n");
1728 else
43f74792 1729 p = fgets(string, 4096, f);
ccf8f127
JA
1730 if (!p)
1731 break;
1732 }
cdc7f193 1733
ccf8f127 1734 skip_fgets = 0;
cdc7f193 1735 strip_blank_front(&p);
6c7c7da1 1736 strip_blank_end(p);
cdc7f193 1737
b3270921 1738 dprint(FD_PARSE, "%s\n", p);
ebac4655
JA
1739 if (is_empty_or_comment(p))
1740 continue;
b3270921
AK
1741
1742 if (!nested) {
1743 if (sscanf(p, "[%255[^\n]]", name) != 1) {
1744 if (inside_skip)
1745 continue;
1746
1747 log_err("fio: option <%s> outside of "
1748 "[] job section\n", p);
0e9c21a2 1749 ret = 1;
b3270921
AK
1750 break;
1751 }
1752
1753 name[strlen(name) - 1] = '\0';
1754
1755 if (skip_this_section(name)) {
1756 inside_skip = 1;
01f06b63 1757 continue;
b3270921
AK
1758 } else
1759 inside_skip = 0;
ebac4655 1760
b3270921 1761 dprint(FD_PARSE, "Parsing section [%s]\n", name);
7a4b80a1 1762
b3270921 1763 global = !strncmp(name, "global", 6);
01f06b63 1764
b3270921
AK
1765 if (dump_cmdline) {
1766 if (first_sect)
1767 log_info("fio ");
1768 if (!global)
1769 log_info("--name=%s ", name);
1770 first_sect = 0;
1771 }
ebac4655 1772
b3270921
AK
1773 td = get_new_job(global, &def_thread, 0, name);
1774 if (!td) {
1775 ret = 1;
1776 break;
1777 }
cca73aa7 1778
b3270921
AK
1779 /*
1780 * Separate multiple job files by a stonewall
1781 */
1782 if (!global && stonewall) {
1783 td->o.stonewall = stonewall;
1784 stonewall = 0;
1785 }
ebac4655 1786
b3270921
AK
1787 num_opts = 0;
1788 memset(opts, 0, alloc_opts * sizeof(char *));
972cfd25 1789 }
b3270921
AK
1790 else
1791 skip_fgets = 1;
3b8b7135 1792
50d16976 1793 while (1) {
b3270921
AK
1794 if (!skip_fgets) {
1795 if (is_buf)
1796 p = strsep(&file, "\n");
1797 else
1798 p = fgets(string, 4096, f);
1799 if (!p)
1800 break;
1801 dprint(FD_PARSE, "%s", p);
1802 }
50d16976 1803 else
b3270921 1804 skip_fgets = 0;
50d16976 1805
ebac4655
JA
1806 if (is_empty_or_comment(p))
1807 continue;
e1f36503 1808
b6754f9d 1809 strip_blank_front(&p);
7c124ac1 1810
ccf8f127
JA
1811 /*
1812 * new section, break out and make sure we don't
1813 * fgets() a new line at the top.
1814 */
1815 if (p[0] == '[') {
b3270921
AK
1816 if (nested) {
1817 log_err("No new sections in included files\n");
1818 return 1;
1819 }
1820
ccf8f127 1821 skip_fgets = 1;
7c124ac1 1822 break;
ccf8f127 1823 }
7c124ac1 1824
4ae3f763 1825 strip_blank_end(p);
aea47d44 1826
b3270921 1827 if (!strncmp(p, "include", strlen("include"))) {
c0821a08
AK
1828 char *filename = p + strlen("include") + 1,
1829 *ts, *full_fn = NULL;
1830
1831 /*
1832 * Allow for the include filename
1833 * specification to be relative.
1834 */
1835 if (access(filename, F_OK) &&
1836 (ts = strrchr(file, '/'))) {
1837 int len = ts - file +
1838 strlen(filename) + 2;
1839
1840 if (!(full_fn = calloc(1, len))) {
1841 ret = ENOMEM;
1842 break;
1843 }
1844
1845 strncpy(full_fn,
1846 file, (ts - file) + 1);
1847 strncpy(full_fn + (ts - file) + 1,
1848 filename, strlen(filename));
1849 full_fn[len - 1] = 0;
1850 filename = full_fn;
1851 }
1852
1853 ret = __parse_jobs_ini(td, filename, is_buf,
1854 stonewall_flag, type, 1,
1855 name, &opts,
1856 &alloc_opts, &num_opts);
b3270921 1857
c0821a08
AK
1858 if (ret) {
1859 log_err("Error %d while parsing "
1860 "include file %s\n",
b3270921 1861 ret, filename);
b3270921 1862 }
c0821a08
AK
1863
1864 if (full_fn)
1865 free(full_fn);
1866
1867 if (ret)
1868 break;
1869
b3270921
AK
1870 continue;
1871 }
1872
3b8b7135
JA
1873 if (num_opts == alloc_opts) {
1874 alloc_opts <<= 1;
1875 opts = realloc(opts,
1876 alloc_opts * sizeof(char *));
1877 }
1878
1879 opts[num_opts] = strdup(p);
1880 num_opts++;
ebac4655 1881 }
ebac4655 1882
b3270921
AK
1883 if (nested) {
1884 *popts = opts;
1885 *aopts = alloc_opts;
1886 *nopts = num_opts;
1887 goto out;
1888 }
1889
c2292325
JA
1890 ret = fio_options_parse(td, opts, num_opts);
1891 if (!ret) {
1892 if (dump_cmdline)
1893 dump_opt_list(td);
1894
46bcd498 1895 ret = add_job(td, name, 0, 0, type);
c2292325 1896 } else {
b1508cf9
JA
1897 log_err("fio: job %s dropped\n", name);
1898 put_job(td);
45410acb 1899 }
3b8b7135
JA
1900
1901 for (i = 0; i < num_opts; i++)
1902 free(opts[i]);
1903 num_opts = 0;
7c124ac1 1904 } while (!ret);
ebac4655 1905
cca73aa7
JA
1906 if (dump_cmdline)
1907 log_info("\n");
1908
7e356b2d
JA
1909 i = 0;
1910 while (i < nr_job_sections) {
1911 free(job_sections[i]);
1912 i++;
1913 }
1914
2577594d 1915 free(opts);
b3270921
AK
1916out:
1917 free(string);
1918 if (!nested)
1919 free(name);
50d16976 1920 if (!is_buf && f != stdin)
5a729cbe 1921 fclose(f);
45410acb 1922 return ret;
ebac4655
JA
1923}
1924
b3270921
AK
1925int parse_jobs_ini(char *file, int is_buf, int stonewall_flag, int type)
1926{
1927 return __parse_jobs_ini(NULL, file, is_buf, stonewall_flag, type,
1928 0, NULL, NULL, NULL, NULL);
1929}
1930
ebac4655
JA
1931static int fill_def_thread(void)
1932{
1933 memset(&def_thread, 0, sizeof(def_thread));
66e19a38 1934 INIT_FLIST_HEAD(&def_thread.opt_list);
ebac4655 1935
375b2695 1936 fio_getaffinity(getpid(), &def_thread.o.cpumask);
8b28bd41 1937 def_thread.o.error_dump = 1;
25bd16ce 1938
ebac4655 1939 /*
ee738499 1940 * fill default options
ebac4655 1941 */
214e1eca 1942 fio_fill_default_options(&def_thread);
ebac4655
JA
1943 return 0;
1944}
1945
2236df3d
JA
1946static void show_debug_categories(void)
1947{
44acdcf4 1948#ifdef FIO_INC_DEBUG
2236df3d
JA
1949 struct debug_level *dl = &debug_levels[0];
1950 int curlen, first = 1;
1951
1952 curlen = 0;
1953 while (dl->name) {
1954 int has_next = (dl + 1)->name != NULL;
1955
1956 if (first || curlen + strlen(dl->name) >= 80) {
1957 if (!first) {
1958 printf("\n");
1959 curlen = 0;
1960 }
1961 curlen += printf("\t\t\t%s", dl->name);
1962 curlen += 3 * (8 - 1);
1963 if (has_next)
1964 curlen += printf(",");
1965 } else {
1966 curlen += printf("%s", dl->name);
1967 if (has_next)
1968 curlen += printf(",");
1969 }
1970 dl++;
1971 first = 0;
1972 }
1973 printf("\n");
44acdcf4 1974#endif
2236df3d
JA
1975}
1976
45378b35 1977static void usage(const char *name)
4785f995 1978{
3d43382c 1979 printf("%s\n", fio_version_string);
45378b35 1980 printf("%s [options] [job options] <job file(s)>\n", name);
2236df3d
JA
1981 printf(" --debug=options\tEnable debug logging. May be one/more of:\n");
1982 show_debug_categories();
111e032d 1983 printf(" --parse-only\t\tParse options only, don't start any IO\n");
83881283 1984 printf(" --output\t\tWrite output to file\n");
b2cecdc2 1985 printf(" --runtime\t\tRuntime in seconds\n");
83881283
JA
1986 printf(" --bandwidth-log\tGenerate per-job bandwidth logs\n");
1987 printf(" --minimal\t\tMinimal (terse) output\n");
513e37ee 1988 printf(" --output-format=x\tOutput format (terse,json,json+,normal)\n");
75db6e2c 1989 printf(" --terse-version=x\tSet terse version output format to 'x'\n");
f3afa57e 1990 printf(" --version\t\tPrint version info and exit\n");
83881283 1991 printf(" --help\t\tPrint this page\n");
23893646 1992 printf(" --cpuclock-test\tPerform test/validation of CPU clock\n");
fec0f21c 1993 printf(" --crctest\t\tTest speed of checksum functions\n");
83881283 1994 printf(" --cmdhelp=cmd\t\tPrint command help, \"all\" for all of"
5ec10eaa 1995 " them\n");
de890a1e
SL
1996 printf(" --enghelp=engine\tPrint ioengine help, or list"
1997 " available ioengines\n");
1998 printf(" --enghelp=engine,cmd\tPrint help for an ioengine"
1999 " cmd\n");
83881283
JA
2000 printf(" --showcmd\t\tTurn a job file into command line options\n");
2001 printf(" --eta=when\t\tWhen ETA estimate should be printed\n");
2002 printf(" \t\tMay be \"always\", \"never\" or \"auto\"\n");
e382e661
JA
2003 printf(" --eta-newline=time\tForce a new line for every 'time'");
2004 printf(" period passed\n");
06464907
JA
2005 printf(" --status-interval=t\tForce full status dump every");
2006 printf(" 't' period passed\n");
83881283 2007 printf(" --readonly\t\tTurn on safety read-only checks, preventing"
5ec10eaa 2008 " writes\n");
83881283
JA
2009 printf(" --section=name\tOnly run specified section in job file\n");
2010 printf(" --alloc-size=kb\tSet smalloc pool to this size in kb"
2b386d25 2011 " (def 1024)\n");
83881283
JA
2012 printf(" --warnings-fatal\tFio parser warnings are fatal\n");
2013 printf(" --max-jobs=nr\t\tMaximum number of threads/processes to support\n");
2014 printf(" --server=args\t\tStart a backend fio server\n");
2015 printf(" --daemonize=pidfile\tBackground fio server, write pid to file\n");
2016 printf(" --client=hostname\tTalk to remote backend fio server at hostname\n");
323255cc 2017 printf(" --remote-config=file\tTell fio server to load this local job file\n");
f2a2ce0e
HL
2018 printf(" --idle-prof=option\tReport cpu idleness on a system or percpu basis\n"
2019 "\t\t\t(option=system,percpu) or run unit work\n"
2020 "\t\t\tcalibration only (option=calibrate)\n");
b26317c9
JA
2021#ifdef CONFIG_ZLIB
2022 printf(" --inflate-log=log\tInflate and output compressed log\n");
2023#endif
b63efd30 2024 printf(" --trigger-file=file\tExecute trigger cmd when file exists\n");
ca09be4b 2025 printf(" --trigger-timeout=t\tExecute trigger af this time\n");
b63efd30
JA
2026 printf(" --trigger=cmd\t\tSet this command as local trigger\n");
2027 printf(" --trigger-remote=cmd\tSet this command as remote trigger\n");
d264264a 2028 printf(" --aux-path=path\tUse this path for fio state generated files\n");
aa58d252 2029 printf("\nFio was written by Jens Axboe <jens.axboe@oracle.com>");
bfca2c74
JA
2030 printf("\n Jens Axboe <jaxboe@fusionio.com>");
2031 printf("\n Jens Axboe <axboe@fb.com>\n");
4785f995
JA
2032}
2033
79e48f72 2034#ifdef FIO_INC_DEBUG
ee56ad50 2035struct debug_level debug_levels[] = {
0b8d11ed
JA
2036 { .name = "process",
2037 .help = "Process creation/exit logging",
2038 .shift = FD_PROCESS,
2039 },
2040 { .name = "file",
2041 .help = "File related action logging",
2042 .shift = FD_FILE,
2043 },
2044 { .name = "io",
2045 .help = "IO and IO engine action logging (offsets, queue, completions, etc)",
2046 .shift = FD_IO,
2047 },
2048 { .name = "mem",
2049 .help = "Memory allocation/freeing logging",
2050 .shift = FD_MEM,
2051 },
2052 { .name = "blktrace",
2053 .help = "blktrace action logging",
2054 .shift = FD_BLKTRACE,
2055 },
2056 { .name = "verify",
2057 .help = "IO verification action logging",
2058 .shift = FD_VERIFY,
2059 },
2060 { .name = "random",
2061 .help = "Random generation logging",
2062 .shift = FD_RANDOM,
2063 },
2064 { .name = "parse",
2065 .help = "Parser logging",
2066 .shift = FD_PARSE,
2067 },
2068 { .name = "diskutil",
2069 .help = "Disk utility logging actions",
2070 .shift = FD_DISKUTIL,
2071 },
2072 { .name = "job",
2073 .help = "Logging related to creating/destroying jobs",
2074 .shift = FD_JOB,
2075 },
2076 { .name = "mutex",
2077 .help = "Mutex logging",
2078 .shift = FD_MUTEX
2079 },
2080 { .name = "profile",
2081 .help = "Logging related to profiles",
2082 .shift = FD_PROFILE,
2083 },
2084 { .name = "time",
2085 .help = "Logging related to time keeping functions",
2086 .shift = FD_TIME,
2087 },
2088 { .name = "net",
2089 .help = "Network logging",
2090 .shift = FD_NET,
2091 },
3e260a46
JA
2092 { .name = "rate",
2093 .help = "Rate logging",
2094 .shift = FD_RATE,
2095 },
0c56718d
JA
2096 { .name = "compress",
2097 .help = "Log compression logging",
2098 .shift = FD_COMPRESS,
2099 },
02444ad1 2100 { .name = NULL, },
ee56ad50
JA
2101};
2102
c09823ab 2103static int set_debug(const char *string)
ee56ad50
JA
2104{
2105 struct debug_level *dl;
2106 char *p = (char *) string;
2107 char *opt;
2108 int i;
2109
2706fa00
JA
2110 if (!string)
2111 return 0;
2112
ee56ad50 2113 if (!strcmp(string, "?") || !strcmp(string, "help")) {
ee56ad50
JA
2114 log_info("fio: dumping debug options:");
2115 for (i = 0; debug_levels[i].name; i++) {
2116 dl = &debug_levels[i];
2117 log_info("%s,", dl->name);
2118 }
bd6f78b2 2119 log_info("all\n");
c09823ab 2120 return 1;
ee56ad50
JA
2121 }
2122
2123 while ((opt = strsep(&p, ",")) != NULL) {
2124 int found = 0;
2125
5e1d306e
JA
2126 if (!strncmp(opt, "all", 3)) {
2127 log_info("fio: set all debug options\n");
2128 fio_debug = ~0UL;
2129 continue;
2130 }
2131
ee56ad50
JA
2132 for (i = 0; debug_levels[i].name; i++) {
2133 dl = &debug_levels[i];
5e1d306e
JA
2134 found = !strncmp(opt, dl->name, strlen(dl->name));
2135 if (!found)
2136 continue;
2137
2138 if (dl->shift == FD_JOB) {
2139 opt = strchr(opt, ':');
2140 if (!opt) {
2141 log_err("fio: missing job number\n");
2142 break;
2143 }
2144 opt++;
2145 fio_debug_jobno = atoi(opt);
2146 log_info("fio: set debug jobno %d\n",
2147 fio_debug_jobno);
2148 } else {
ee56ad50 2149 log_info("fio: set debug option %s\n", opt);
bd6f78b2 2150 fio_debug |= (1UL << dl->shift);
ee56ad50 2151 }
5e1d306e 2152 break;
ee56ad50
JA
2153 }
2154
2155 if (!found)
2156 log_err("fio: debug mask %s not found\n", opt);
2157 }
c09823ab 2158 return 0;
ee56ad50 2159}
79e48f72 2160#else
69b98d4c 2161static int set_debug(const char *string)
79e48f72
JA
2162{
2163 log_err("fio: debug tracing not included in build\n");
c09823ab 2164 return 1;
79e48f72
JA
2165}
2166#endif
9ac8a797 2167
4c6107ff
JA
2168static void fio_options_fill_optstring(void)
2169{
2170 char *ostr = cmd_optstr;
2171 int i, c;
2172
2173 c = i = 0;
2174 while (l_opts[i].name) {
2175 ostr[c++] = l_opts[i].val;
2176 if (l_opts[i].has_arg == required_argument)
2177 ostr[c++] = ':';
2178 else if (l_opts[i].has_arg == optional_argument) {
2179 ostr[c++] = ':';
2180 ostr[c++] = ':';
2181 }
2182 i++;
2183 }
2184 ostr[c] = '\0';
2185}
2186
c2c94585
JA
2187static int client_flag_set(char c)
2188{
2189 int i;
2190
2191 i = 0;
2192 while (l_opts[i].name) {
2193 int val = l_opts[i].val;
2194
2195 if (c == (val & 0xff))
2196 return (val & FIO_CLIENT_FLAG);
2197
2198 i++;
2199 }
2200
2201 return 0;
2202}
2203
10aa136b 2204static void parse_cmd_client(void *client, char *opt)
7a4b8240 2205{
fa2ea806 2206 fio_client_add_cmd_option(client, opt);
7a4b8240
JA
2207}
2208
a893c261
JA
2209static void show_closest_option(const char *name)
2210{
2211 int best_option, best_distance;
2212 int i, distance;
2213
2214 while (*name == '-')
2215 name++;
2216
2217 best_option = -1;
2218 best_distance = INT_MAX;
2219 i = 0;
2220 while (l_opts[i].name) {
2221 distance = string_distance(name, l_opts[i].name);
2222 if (distance < best_distance) {
2223 best_distance = distance;
2224 best_option = i;
2225 }
2226 i++;
2227 }
2228
3701636d 2229 if (best_option != -1 && string_distance_ok(name, best_distance))
a893c261
JA
2230 log_err("Did you mean %s?\n", l_opts[best_option].name);
2231}
2232
a666cab8
JA
2233static int parse_output_format(const char *optarg)
2234{
2235 char *p, *orig, *opt;
2236 int ret = 0;
2237
2238 p = orig = strdup(optarg);
2239
2240 output_format = 0;
2241
2242 while ((opt = strsep(&p, ",")) != NULL) {
2243 if (!strcmp(opt, "minimal") ||
2244 !strcmp(opt, "terse") ||
2245 !strcmp(opt, "csv"))
2246 output_format |= FIO_OUTPUT_TERSE;
2247 else if (!strcmp(opt, "json"))
2248 output_format |= FIO_OUTPUT_JSON;
513e37ee
VF
2249 else if (!strcmp(opt, "json+"))
2250 output_format |= (FIO_OUTPUT_JSON | FIO_OUTPUT_JSON_PLUS);
a666cab8
JA
2251 else if (!strcmp(opt, "normal"))
2252 output_format |= FIO_OUTPUT_NORMAL;
2253 else {
2254 log_err("fio: invalid output format %s\n", opt);
2255 ret = 1;
2256 break;
2257 }
2258 }
2259
2260 free(orig);
2261 return ret;
2262}
2263
46bcd498 2264int parse_cmd_line(int argc, char *argv[], int client_type)
ebac4655 2265{
b4692828 2266 struct thread_data *td = NULL;
c09823ab 2267 int c, ini_idx = 0, lidx, ret = 0, do_exit = 0, exit_val = 0;
4c6107ff 2268 char *ostr = cmd_optstr;
402668f3 2269 void *pid_file = NULL;
9bae26e8 2270 void *cur_client = NULL;
81179eec 2271 int backend = 0;
ebac4655 2272
c2c94585
JA
2273 /*
2274 * Reset optind handling, since we may call this multiple times
2275 * for the backend.
2276 */
2277 optind = 1;
7a4b8240 2278
c2c94585
JA
2279 while ((c = getopt_long_only(argc, argv, ostr, l_opts, &lidx)) != -1) {
2280 if ((c & FIO_CLIENT_FLAG) || client_flag_set(c)) {
fa2ea806 2281 parse_cmd_client(cur_client, argv[optind - 1]);
7a4b8240
JA
2282 c &= ~FIO_CLIENT_FLAG;
2283 }
2284
ebac4655 2285 switch (c) {
2b386d25
JA
2286 case 'a':
2287 smalloc_pool_size = atoi(optarg);
2288 break;
b4692828 2289 case 't':
25bd16ce
JA
2290 if (check_str_time(optarg, &def_timeout, 1)) {
2291 log_err("fio: failed parsing time %s\n", optarg);
2292 do_exit++;
2293 exit_val = 1;
2294 }
b4692828
JA
2295 break;
2296 case 'l':
cb7e0ace
JA
2297 log_err("fio: --latency-log is deprecated. Use per-job latency log options.\n");
2298 do_exit++;
2299 exit_val = 1;
b4692828 2300 break;
3d73e5a9 2301 case 'b':
b4692828
JA
2302 write_bw_log = 1;
2303 break;
2304 case 'o':
988da120 2305 if (f_out && f_out != stdout)
5e1d8745
JA
2306 fclose(f_out);
2307
b4692828
JA
2308 f_out = fopen(optarg, "w+");
2309 if (!f_out) {
2310 perror("fopen output");
2311 exit(1);
2312 }
2313 f_err = f_out;
2314 break;
2315 case 'm':
f3afa57e 2316 output_format = FIO_OUTPUT_TERSE;
b4692828 2317 break;
f3afa57e 2318 case 'F':
d10983d7
SH
2319 if (!optarg) {
2320 log_err("fio: missing --output-format argument\n");
2321 exit_val = 1;
2322 do_exit++;
2323 break;
2324 }
a666cab8
JA
2325 if (parse_output_format(optarg)) {
2326 log_err("fio: failed parsing output-format\n");
2327 exit_val = 1;
2328 do_exit++;
2329 break;
2330 }
2b8c71b0 2331 break;
f6a7df53
JA
2332 case 'f':
2333 output_format |= FIO_OUTPUT_TERSE;
2334 break;
b4692828 2335 case 'h':
7d8ea970 2336 did_arg = 1;
7874f8b7 2337 if (!cur_client) {
c2c94585 2338 usage(argv[0]);
7874f8b7
JA
2339 do_exit++;
2340 }
c2c94585 2341 break;
fd28ca49 2342 case 'c':
7d8ea970 2343 did_arg = 1;
7874f8b7 2344 if (!cur_client) {
c2c94585 2345 fio_show_option_help(optarg);
7874f8b7
JA
2346 do_exit++;
2347 }
c2c94585 2348 break;
de890a1e 2349 case 'i':
7d8ea970 2350 did_arg = 1;
de890a1e
SL
2351 if (!cur_client) {
2352 fio_show_ioengine_help(optarg);
2353 do_exit++;
2354 }
2355 break;
cca73aa7 2356 case 's':
7d8ea970 2357 did_arg = 1;
cca73aa7
JA
2358 dump_cmdline = 1;
2359 break;
724e4435
JA
2360 case 'r':
2361 read_only = 1;
2362 break;
b4692828 2363 case 'v':
7d8ea970 2364 did_arg = 1;
7874f8b7 2365 if (!cur_client) {
3d43382c 2366 log_info("%s\n", fio_version_string);
7874f8b7
JA
2367 do_exit++;
2368 }
c2c94585 2369 break;
f57a9c59
JA
2370 case 'V':
2371 terse_version = atoi(optarg);
09786f5f
JA
2372 if (!(terse_version == 2 || terse_version == 3 ||
2373 terse_version == 4)) {
f57a9c59
JA
2374 log_err("fio: bad terse version format\n");
2375 exit_val = 1;
2376 do_exit++;
2377 }
2378 break;
e592a06b
AC
2379 case 'e':
2380 if (!strcmp("always", optarg))
2381 eta_print = FIO_ETA_ALWAYS;
2382 else if (!strcmp("never", optarg))
2383 eta_print = FIO_ETA_NEVER;
2384 break;
e382e661
JA
2385 case 'E': {
2386 long long t = 0;
2387
88038bc7 2388 if (check_str_time(optarg, &t, 1)) {
e382e661
JA
2389 log_err("fio: failed parsing eta time %s\n", optarg);
2390 exit_val = 1;
2391 do_exit++;
2392 }
88038bc7 2393 eta_new_line = t / 1000;
e382e661
JA
2394 break;
2395 }
ee56ad50 2396 case 'd':
c09823ab
JA
2397 if (set_debug(optarg))
2398 do_exit++;
ee56ad50 2399 break;
111e032d 2400 case 'P':
7d8ea970 2401 did_arg = 1;
111e032d
JA
2402 parse_only = 1;
2403 break;
ad0a2735
JA
2404 case 'x': {
2405 size_t new_size;
2406
01f06b63 2407 if (!strcmp(optarg, "global")) {
5ec10eaa
JA
2408 log_err("fio: can't use global as only "
2409 "section\n");
c09823ab
JA
2410 do_exit++;
2411 exit_val = 1;
01f06b63
JA
2412 break;
2413 }
ad0a2735
JA
2414 new_size = (nr_job_sections + 1) * sizeof(char *);
2415 job_sections = realloc(job_sections, new_size);
2416 job_sections[nr_job_sections] = strdup(optarg);
2417 nr_job_sections++;
01f06b63 2418 break;
ad0a2735 2419 }
b26317c9
JA
2420#ifdef CONFIG_ZLIB
2421 case 'X':
2422 exit_val = iolog_file_inflate(optarg);
2423 did_arg++;
2424 do_exit++;
2425 break;
2426#endif
9ac8a797 2427 case 'p':
7d8ea970 2428 did_arg = 1;
4af7c007
JA
2429 if (exec_profile)
2430 free(exec_profile);
07b3232d 2431 exec_profile = strdup(optarg);
9ac8a797 2432 break;
b4692828 2433 case FIO_GETOPT_JOB: {
5ec10eaa 2434 const char *opt = l_opts[lidx].name;
b4692828
JA
2435 char *val = optarg;
2436
c2b1e753 2437 if (!strncmp(opt, "name", 4) && td) {
46bcd498 2438 ret = add_job(td, td->o.name ?: "fio", 0, 0, client_type);
66251554 2439 if (ret)
4a4ac4e3 2440 goto out_free;
c2b1e753 2441 td = NULL;
7d8ea970 2442 did_arg = 1;
c2b1e753 2443 }
b4692828 2444 if (!td) {
01f06b63 2445 int is_section = !strncmp(opt, "name", 4);
3106f220
JA
2446 int global = 0;
2447
01f06b63 2448 if (!is_section || !strncmp(val, "global", 6))
3106f220 2449 global = 1;
c2b1e753 2450
01f06b63
JA
2451 if (is_section && skip_this_section(val))
2452 continue;
2453
ef3d8e53 2454 td = get_new_job(global, &def_thread, 1, NULL);
f6ff24cb
JA
2455 if (!td || ioengine_load(td)) {
2456 if (td) {
2457 put_job(td);
2458 td = NULL;
2459 }
2460 do_exit++;
205a719e 2461 exit_val = 1;
f6ff24cb
JA
2462 break;
2463 }
de890a1e 2464 fio_options_set_ioengine_opts(l_opts, td);
b4692828 2465 }
38d0adb0 2466
9d918187
JA
2467 if ((!val || !strlen(val)) &&
2468 l_opts[lidx].has_arg == required_argument) {
2469 log_err("fio: option %s requires an argument\n", opt);
2470 ret = 1;
2471 } else
2472 ret = fio_cmd_option_parse(td, opt, val);
2473
bfb3ea22
JA
2474 if (ret) {
2475 if (td) {
2476 put_job(td);
2477 td = NULL;
2478 }
a88c8c14 2479 do_exit++;
205a719e 2480 exit_val = 1;
bfb3ea22 2481 }
de890a1e
SL
2482
2483 if (!ret && !strcmp(opt, "ioengine")) {
2484 free_ioengine(td);
f6ff24cb 2485 if (ioengine_load(td)) {
342f570e
JA
2486 put_job(td);
2487 td = NULL;
f6ff24cb 2488 do_exit++;
205a719e 2489 exit_val = 1;
f6ff24cb
JA
2490 break;
2491 }
de890a1e
SL
2492 fio_options_set_ioengine_opts(l_opts, td);
2493 }
2494 break;
2495 }
2496 case FIO_GETOPT_IOENGINE: {
2497 const char *opt = l_opts[lidx].name;
2498 char *val = optarg;
b1ed74e0
JA
2499
2500 if (!td)
2501 break;
2502
de890a1e 2503 ret = fio_cmd_ioengine_option_parse(td, opt, val);
b4692828
JA
2504 break;
2505 }
a9523c6f
JA
2506 case 'w':
2507 warnings_fatal = 1;
2508 break;
fca70358
JA
2509 case 'j':
2510 max_jobs = atoi(optarg);
2511 if (!max_jobs || max_jobs > REAL_MAX_JOBS) {
2512 log_err("fio: invalid max jobs: %d\n", max_jobs);
2513 do_exit++;
2514 exit_val = 1;
2515 }
2516 break;
50d16976 2517 case 'S':
7d8ea970 2518 did_arg = 1;
c8931876 2519#ifndef CONFIG_NO_SHM
a37f69b7 2520 if (nr_clients) {
132159a5
JA
2521 log_err("fio: can't be both client and server\n");
2522 do_exit++;
2523 exit_val = 1;
2524 break;
2525 }
87aa8f19 2526 if (optarg)
bebe6398 2527 fio_server_set_arg(optarg);
50d16976 2528 is_backend = 1;
81179eec 2529 backend = 1;
c8931876
JA
2530#else
2531 log_err("fio: client/server requires SHM support\n");
2532 do_exit++;
2533 exit_val = 1;
2534#endif
50d16976 2535 break;
e46d8091 2536 case 'D':
6cfe9a8c
JA
2537 if (pid_file)
2538 free(pid_file);
402668f3 2539 pid_file = strdup(optarg);
e46d8091 2540 break;
f2a2ce0e
HL
2541 case 'I':
2542 if ((ret = fio_idle_prof_parse_opt(optarg))) {
2543 /* exit on error and calibration only */
7d8ea970 2544 did_arg = 1;
f2a2ce0e 2545 do_exit++;
7d8ea970 2546 if (ret == -1)
f2a2ce0e
HL
2547 exit_val = 1;
2548 }
2549 break;
132159a5 2550 case 'C':
7d8ea970 2551 did_arg = 1;
132159a5
JA
2552 if (is_backend) {
2553 log_err("fio: can't be both client and server\n");
2554 do_exit++;
2555 exit_val = 1;
2556 break;
2557 }
08633c32
BE
2558 /* if --client parameter contains a pathname */
2559 if (0 == access(optarg, R_OK)) {
2560 /* file contains a list of host addrs or names */
2972708f 2561 char hostaddr[PATH_MAX] = {0};
08633c32
BE
2562 char formatstr[8];
2563 FILE * hostf = fopen(optarg, "r");
2564 if (!hostf) {
2565 log_err("fio: could not open client list file %s for read\n", optarg);
2566 do_exit++;
2567 exit_val = 1;
2568 break;
2569 }
2972708f
JA
2570 sprintf(formatstr, "%%%ds", PATH_MAX - 1);
2571 /*
2572 * read at most PATH_MAX-1 chars from each
2573 * record in this file
2574 */
08633c32
BE
2575 while (fscanf(hostf, formatstr, hostaddr) == 1) {
2576 /* expect EVERY host in file to be valid */
2577 if (fio_client_add(&fio_client_ops, hostaddr, &cur_client)) {
2578 log_err("fio: failed adding client %s from file %s\n", hostaddr, optarg);
2579 do_exit++;
2580 exit_val = 1;
2581 break;
2582 }
2583 }
2584 fclose(hostf);
2585 break; /* no possibility of job file for "this client only" */
2586 }
a5276616 2587 if (fio_client_add(&fio_client_ops, optarg, &cur_client)) {
bebe6398
JA
2588 log_err("fio: failed adding client %s\n", optarg);
2589 do_exit++;
2590 exit_val = 1;
2591 break;
2592 }
14ea90ed
JA
2593 /*
2594 * If the next argument exists and isn't an option,
2595 * assume it's a job file for this client only.
2596 */
2597 while (optind < argc) {
2598 if (!strncmp(argv[optind], "--", 2) ||
2599 !strncmp(argv[optind], "-", 1))
2600 break;
2601
bb781643 2602 if (fio_client_add_ini_file(cur_client, argv[optind], false))
323255cc 2603 break;
14ea90ed
JA
2604 optind++;
2605 }
132159a5 2606 break;
323255cc
JA
2607 case 'R':
2608 did_arg = 1;
bb781643 2609 if (fio_client_add_ini_file(cur_client, optarg, true)) {
323255cc
JA
2610 do_exit++;
2611 exit_val = 1;
2612 }
2613 break;
7d11f871 2614 case 'T':
7d8ea970 2615 did_arg = 1;
7d11f871 2616 do_exit++;
aad918e4 2617 exit_val = fio_monotonic_clocktest(1);
7d11f871 2618 break;
fec0f21c 2619 case 'G':
7d8ea970 2620 did_arg = 1;
fec0f21c
JA
2621 do_exit++;
2622 exit_val = fio_crctest(optarg);
2623 break;
06464907
JA
2624 case 'L': {
2625 long long val;
2626
88038bc7 2627 if (check_str_time(optarg, &val, 1)) {
06464907
JA
2628 log_err("fio: failed parsing time %s\n", optarg);
2629 do_exit++;
2630 exit_val = 1;
2631 break;
2632 }
88038bc7 2633 status_interval = val / 1000;
06464907
JA
2634 break;
2635 }
b63efd30 2636 case 'W':
f9cbae9e
JA
2637 if (trigger_file)
2638 free(trigger_file);
b63efd30
JA
2639 trigger_file = strdup(optarg);
2640 break;
2641 case 'H':
f9cbae9e
JA
2642 if (trigger_cmd)
2643 free(trigger_cmd);
b63efd30
JA
2644 trigger_cmd = strdup(optarg);
2645 break;
2646 case 'J':
f9cbae9e
JA
2647 if (trigger_remote_cmd)
2648 free(trigger_remote_cmd);
b63efd30 2649 trigger_remote_cmd = strdup(optarg);
ca09be4b 2650 break;
d264264a
JA
2651 case 'K':
2652 if (aux_path)
2653 free(aux_path);
2654 aux_path = strdup(optarg);
2655 break;
ca09be4b
JA
2656 case 'B':
2657 if (check_str_time(optarg, &trigger_timeout, 1)) {
2658 log_err("fio: failed parsing time %s\n", optarg);
2659 do_exit++;
2660 exit_val = 1;
2661 }
2662 trigger_timeout /= 1000000;
2663 break;
798827c8
JA
2664 case '?':
2665 log_err("%s: unrecognized option '%s'\n", argv[0],
2666 argv[optind - 1]);
a893c261 2667 show_closest_option(argv[optind - 1]);
b4692828 2668 default:
c09823ab
JA
2669 do_exit++;
2670 exit_val = 1;
b4692828 2671 break;
ebac4655 2672 }
c7d5c941
JA
2673 if (do_exit)
2674 break;
ebac4655 2675 }
c9fad893 2676
0b14f0a8
JA
2677 if (do_exit && !(is_backend || nr_clients))
2678 exit(exit_val);
536582bf 2679
fb296043
JA
2680 if (nr_clients && fio_clients_connect())
2681 exit(1);
132159a5 2682
81179eec 2683 if (is_backend && backend)
402668f3 2684 return fio_start_server(pid_file);
b8ba87ac
JA
2685 else if (pid_file)
2686 free(pid_file);
50d16976 2687
b4692828 2688 if (td) {
7d8ea970 2689 if (!ret) {
46bcd498 2690 ret = add_job(td, td->o.name ?: "fio", 0, 0, client_type);
7d8ea970
JA
2691 if (ret)
2692 did_arg = 1;
2693 }
972cfd25 2694 }
774a6177 2695
7874f8b7 2696 while (!ret && optind < argc) {
b4692828
JA
2697 ini_idx++;
2698 ini_file = realloc(ini_file, ini_idx * sizeof(char *));
2699 ini_file[ini_idx - 1] = strdup(argv[optind]);
2700 optind++;
eb8bbf48 2701 }
972cfd25 2702
4a4ac4e3
JA
2703out_free:
2704 if (pid_file)
2705 free(pid_file);
2706
972cfd25 2707 return ini_idx;
ebac4655
JA
2708}
2709
0420ba6a 2710int fio_init_options(void)
ebac4655 2711{
b4692828
JA
2712 f_out = stdout;
2713 f_err = stderr;
2714
4c6107ff 2715 fio_options_fill_optstring();
5ec10eaa 2716 fio_options_dup_and_init(l_opts);
b4692828 2717
9d9eb2e7
JA
2718 atexit(free_shm);
2719
ebac4655
JA
2720 if (fill_def_thread())
2721 return 1;
2722
0420ba6a
JA
2723 return 0;
2724}
2725
51167799
JA
2726extern int fio_check_options(struct thread_options *);
2727
0420ba6a
JA
2728int parse_options(int argc, char *argv[])
2729{
46bcd498 2730 const int type = FIO_CLIENT_TYPE_CLI;
0420ba6a
JA
2731 int job_files, i;
2732
2733 if (fio_init_options())
2734 return 1;
51167799
JA
2735 if (fio_test_cconv(&def_thread.o))
2736 log_err("fio: failed internal cconv test\n");
0420ba6a 2737
46bcd498 2738 job_files = parse_cmd_line(argc, argv, type);
ebac4655 2739
cdf54d85
JA
2740 if (job_files > 0) {
2741 for (i = 0; i < job_files; i++) {
bc4f5ef6 2742 if (i && fill_def_thread())
132159a5 2743 return 1;
cdf54d85
JA
2744 if (nr_clients) {
2745 if (fio_clients_send_ini(ini_file[i]))
2746 return 1;
2747 free(ini_file[i]);
2748 } else if (!is_backend) {
46bcd498 2749 if (parse_jobs_ini(ini_file[i], 0, i, type))
cdf54d85
JA
2750 return 1;
2751 free(ini_file[i]);
2752 }
132159a5 2753 }
14ea90ed
JA
2754 } else if (nr_clients) {
2755 if (fill_def_thread())
2756 return 1;
2757 if (fio_clients_send_ini(NULL))
2758 return 1;
972cfd25 2759 }
ebac4655 2760
88c6ed80 2761 free(ini_file);
7e356b2d 2762 fio_options_free(&def_thread);
bcbfeefa 2763 filesetup_mem_free();
b4692828
JA
2764
2765 if (!thread_number) {
f9633d72 2766 if (parse_dryrun())
cca73aa7 2767 return 0;
07b3232d
JA
2768 if (exec_profile)
2769 return 0;
a37f69b7 2770 if (is_backend || nr_clients)
5c341e9a 2771 return 0;
085399db
JA
2772 if (did_arg)
2773 return 0;
cca73aa7 2774
d65e11c6 2775 log_err("No jobs(s) defined\n\n");
085399db
JA
2776
2777 if (!did_arg) {
2778 usage(argv[0]);
2779 return 1;
2780 }
2781
2782 return 0;
b4692828
JA
2783 }
2784
129fb2d4 2785 if (output_format & FIO_OUTPUT_NORMAL)
3d43382c 2786 log_info("%s\n", fio_version_string);
f6dea4d3 2787
ebac4655
JA
2788 return 0;
2789}
588b7f09
JA
2790
2791void options_default_fill(struct thread_options *o)
2792{
2793 memcpy(o, &def_thread.o, sizeof(*o));
2794}
c2292325 2795
66e19a38 2796struct thread_data *get_global_options(void)
c2292325 2797{
66e19a38 2798 return &def_thread;
c2292325 2799}