File pre-read lseek error check
[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"
ebac4655 27
bf2e821a 28#include "lib/getopt.h"
e25b6d5a 29#include "lib/strcasestr.h"
bf2e821a 30
3d43382c 31const char fio_version_string[] = FIO_VERSION;
214e1eca 32
ee738499 33#define FIO_RANDSEED (0xb1899bedUL)
ebac4655 34
214e1eca 35static char **ini_file;
fca70358 36static int max_jobs = FIO_MAX_JOBS;
cca73aa7 37static int dump_cmdline;
8c029376 38static int def_timeout;
111e032d 39static int parse_only;
e1f36503 40
be4ecfdf 41static struct thread_data def_thread;
214e1eca 42struct thread_data *threads = NULL;
e1f36503 43
214e1eca 44int exitall_on_terminate = 0;
f3afa57e 45int output_format = FIO_OUTPUT_NORMAL;
2b8c71b0 46int append_terse_output = 0;
5be4c944 47int eta_print = FIO_ETA_AUTO;
e382e661 48int eta_new_line = 0;
214e1eca
JA
49FILE *f_out = NULL;
50FILE *f_err = NULL;
ad0a2735
JA
51char **job_sections = NULL;
52int nr_job_sections = 0;
07b3232d 53char *exec_profile = NULL;
a9523c6f 54int warnings_fatal = 0;
4d658652 55int terse_version = 3;
50d16976 56int is_backend = 0;
a37f69b7 57int nr_clients = 0;
e46d8091 58int log_syslog = 0;
ee738499 59
214e1eca 60int write_bw_log = 0;
4241ea8f 61int read_only = 0;
06464907 62int status_interval = 0;
214e1eca 63
5ec10eaa 64static int write_lat_log;
e1f36503 65
214e1eca 66static int prev_group_jobs;
b4692828 67
ee56ad50 68unsigned long fio_debug = 0;
5e1d306e
JA
69unsigned int fio_debug_jobno = -1;
70unsigned int *fio_debug_jobp = NULL;
ee56ad50 71
4c6107ff 72static char cmd_optstr[256];
085399db 73static int did_arg;
4c6107ff 74
7a4b8240
JA
75#define FIO_CLIENT_FLAG (1 << 16)
76
b4692828
JA
77/*
78 * Command line options. These will contain the above, plus a few
79 * extra that only pertain to fio itself and not jobs.
80 */
5ec10eaa 81static struct option l_opts[FIO_NR_OPTIONS] = {
b4692828 82 {
08d2a19c 83 .name = (char *) "output",
b4692828 84 .has_arg = required_argument,
7a4b8240 85 .val = 'o' | FIO_CLIENT_FLAG,
b4692828
JA
86 },
87 {
08d2a19c 88 .name = (char *) "timeout",
b4692828 89 .has_arg = required_argument,
7a4b8240 90 .val = 't' | FIO_CLIENT_FLAG,
b4692828
JA
91 },
92 {
08d2a19c 93 .name = (char *) "latency-log",
b4692828 94 .has_arg = required_argument,
7a4b8240 95 .val = 'l' | FIO_CLIENT_FLAG,
b4692828
JA
96 },
97 {
08d2a19c 98 .name = (char *) "bandwidth-log",
b4692828 99 .has_arg = required_argument,
7a4b8240 100 .val = 'b' | FIO_CLIENT_FLAG,
b4692828
JA
101 },
102 {
08d2a19c 103 .name = (char *) "minimal",
c4ec0a1d 104 .has_arg = no_argument,
7a4b8240 105 .val = 'm' | FIO_CLIENT_FLAG,
b4692828 106 },
cc372b17 107 {
f3afa57e 108 .name = (char *) "output-format",
cc372b17 109 .has_arg = optional_argument,
f3afa57e 110 .val = 'F' | FIO_CLIENT_FLAG,
cc372b17 111 },
2b8c71b0
CE
112 {
113 .name = (char *) "append-terse",
114 .has_arg = optional_argument,
115 .val = 'f',
116 },
b4692828 117 {
08d2a19c 118 .name = (char *) "version",
b4692828 119 .has_arg = no_argument,
7a4b8240 120 .val = 'v' | FIO_CLIENT_FLAG,
b4692828 121 },
fd28ca49 122 {
08d2a19c 123 .name = (char *) "help",
fd28ca49 124 .has_arg = no_argument,
7a4b8240 125 .val = 'h' | FIO_CLIENT_FLAG,
fd28ca49
JA
126 },
127 {
08d2a19c 128 .name = (char *) "cmdhelp",
320beefe 129 .has_arg = optional_argument,
7a4b8240 130 .val = 'c' | FIO_CLIENT_FLAG,
fd28ca49 131 },
de890a1e 132 {
06464907 133 .name = (char *) "enghelp",
de890a1e 134 .has_arg = optional_argument,
06464907 135 .val = 'i' | FIO_CLIENT_FLAG,
de890a1e 136 },
cca73aa7 137 {
08d2a19c 138 .name = (char *) "showcmd",
cca73aa7 139 .has_arg = no_argument,
7a4b8240 140 .val = 's' | FIO_CLIENT_FLAG,
724e4435
JA
141 },
142 {
08d2a19c 143 .name = (char *) "readonly",
724e4435 144 .has_arg = no_argument,
7a4b8240 145 .val = 'r' | FIO_CLIENT_FLAG,
cca73aa7 146 },
e592a06b 147 {
08d2a19c 148 .name = (char *) "eta",
e592a06b 149 .has_arg = required_argument,
7a4b8240 150 .val = 'e' | FIO_CLIENT_FLAG,
e592a06b 151 },
e382e661
JA
152 {
153 .name = (char *) "eta-newline",
154 .has_arg = required_argument,
155 .val = 'E' | FIO_CLIENT_FLAG,
156 },
ee56ad50 157 {
08d2a19c 158 .name = (char *) "debug",
ee56ad50 159 .has_arg = required_argument,
7a4b8240 160 .val = 'd' | FIO_CLIENT_FLAG,
ee56ad50 161 },
111e032d
JA
162 {
163 .name = (char *) "parse-only",
164 .has_arg = no_argument,
165 .val = 'P' | FIO_CLIENT_FLAG,
166 },
01f06b63 167 {
08d2a19c 168 .name = (char *) "section",
01f06b63 169 .has_arg = required_argument,
7a4b8240 170 .val = 'x' | FIO_CLIENT_FLAG,
01f06b63 171 },
2b386d25 172 {
08d2a19c 173 .name = (char *) "alloc-size",
2b386d25 174 .has_arg = required_argument,
7a4b8240 175 .val = 'a' | FIO_CLIENT_FLAG,
2b386d25 176 },
9ac8a797 177 {
08d2a19c 178 .name = (char *) "profile",
9ac8a797 179 .has_arg = required_argument,
7a4b8240 180 .val = 'p' | FIO_CLIENT_FLAG,
9ac8a797 181 },
a9523c6f 182 {
08d2a19c 183 .name = (char *) "warnings-fatal",
a9523c6f 184 .has_arg = no_argument,
7a4b8240 185 .val = 'w' | FIO_CLIENT_FLAG,
a9523c6f 186 },
fca70358
JA
187 {
188 .name = (char *) "max-jobs",
189 .has_arg = required_argument,
7a4b8240 190 .val = 'j' | FIO_CLIENT_FLAG,
fca70358 191 },
f57a9c59
JA
192 {
193 .name = (char *) "terse-version",
194 .has_arg = required_argument,
7a4b8240 195 .val = 'V' | FIO_CLIENT_FLAG,
f57a9c59 196 },
50d16976
JA
197 {
198 .name = (char *) "server",
87aa8f19 199 .has_arg = optional_argument,
50d16976
JA
200 .val = 'S',
201 },
e46d8091 202 { .name = (char *) "daemonize",
402668f3 203 .has_arg = required_argument,
e46d8091
JA
204 .val = 'D',
205 },
132159a5
JA
206 {
207 .name = (char *) "client",
208 .has_arg = required_argument,
209 .val = 'C',
210 },
7d11f871
JA
211 {
212 .name = (char *) "cpuclock-test",
213 .has_arg = no_argument,
214 .val = 'T',
215 },
fec0f21c
JA
216 {
217 .name = (char *) "crctest",
218 .has_arg = optional_argument,
219 .val = 'G',
220 },
f2a2ce0e
HL
221 {
222 .name = (char *) "idle-prof",
223 .has_arg = required_argument,
224 .val = 'I',
225 },
06464907
JA
226 {
227 .name = (char *) "status-interval",
228 .has_arg = required_argument,
229 .val = 'L',
230 },
b4692828
JA
231 {
232 .name = NULL,
233 },
234};
235
2bb3f0a7 236void free_threads_shm(void)
9d9eb2e7
JA
237{
238 struct shmid_ds sbuf;
239
240 if (threads) {
241 void *tp = threads;
242
243 threads = NULL;
2bb3f0a7
JA
244 shmdt(tp);
245 shmctl(shm_id, IPC_RMID, &sbuf);
246 shm_id = -1;
247 }
248}
249
250void free_shm(void)
251{
252 if (threads) {
9d9eb2e7 253 file_hash_exit();
9e684a49 254 flow_exit();
9d9eb2e7 255 fio_debug_jobp = NULL;
2bb3f0a7 256 free_threads_shm();
9d9eb2e7
JA
257 }
258
eb0c74ae 259 options_free(fio_options, &def_thread);
9d9eb2e7
JA
260 scleanup();
261}
262
263/*
264 * The thread area is shared between the main process and the job
265 * threads/processes. So setup a shared memory segment that will hold
266 * all the job info. We use the end of the region for keeping track of
267 * open files across jobs, for file sharing.
268 */
269static int setup_thread_area(void)
270{
271 void *hash;
272
273 if (threads)
274 return 0;
275
276 /*
277 * 1024 is too much on some machines, scale max_jobs if
278 * we get a failure that looks like too large a shm segment
279 */
280 do {
281 size_t size = max_jobs * sizeof(struct thread_data);
282
283 size += file_hash_size;
284 size += sizeof(unsigned int);
285
286 shm_id = shmget(0, size, IPC_CREAT | 0600);
287 if (shm_id != -1)
288 break;
f0c77f03 289 if (errno != EINVAL && errno != ENOMEM && errno != ENOSPC) {
9d9eb2e7
JA
290 perror("shmget");
291 break;
292 }
293
294 max_jobs >>= 1;
295 } while (max_jobs);
296
297 if (shm_id == -1)
298 return 1;
299
300 threads = shmat(shm_id, NULL, 0);
301 if (threads == (void *) -1) {
302 perror("shmat");
303 return 1;
304 }
305
306 memset(threads, 0, max_jobs * sizeof(struct thread_data));
307 hash = (void *) threads + max_jobs * sizeof(struct thread_data);
308 fio_debug_jobp = (void *) hash + file_hash_size;
309 *fio_debug_jobp = -1;
310 file_hash_init(hash);
9e684a49
DE
311
312 flow_init();
313
9d9eb2e7
JA
314 return 0;
315}
316
906c8d75
JA
317/*
318 * Return a free job structure.
319 */
de890a1e
SL
320static struct thread_data *get_new_job(int global, struct thread_data *parent,
321 int preserve_eo)
ebac4655
JA
322{
323 struct thread_data *td;
324
325 if (global)
326 return &def_thread;
9d9eb2e7
JA
327 if (setup_thread_area()) {
328 log_err("error: failed to setup shm segment\n");
329 return NULL;
330 }
e61f1ec8
BC
331 if (thread_number >= max_jobs) {
332 log_err("error: maximum number of jobs (%d) reached.\n",
333 max_jobs);
ebac4655 334 return NULL;
e61f1ec8 335 }
ebac4655
JA
336
337 td = &threads[thread_number++];
ddaeaa5a 338 *td = *parent;
ebac4655 339
de890a1e
SL
340 td->io_ops = NULL;
341 if (!preserve_eo)
342 td->eo = NULL;
343
e0b0d892
JA
344 td->o.uid = td->o.gid = -1U;
345
cade3ef4 346 dup_files(td, parent);
de890a1e 347 fio_options_mem_dupe(td);
cade3ef4 348
15dc1934
JA
349 profile_add_hooks(td);
350
ebac4655 351 td->thread_number = thread_number;
108fea77
JA
352
353 if (!parent || !parent->o.group_reporting)
354 stat_number++;
355
ebac4655
JA
356 return td;
357}
358
359static void put_job(struct thread_data *td)
360{
549577a7
JA
361 if (td == &def_thread)
362 return;
84dd1886 363
58c55ba0 364 profile_td_exit(td);
9e684a49 365 flow_exit_job(td);
549577a7 366
16edf25d 367 if (td->error)
6d86144d 368 log_info("fio: %s\n", td->verror);
16edf25d 369
7e356b2d 370 fio_options_free(td);
de890a1e
SL
371 if (td->io_ops)
372 free_ioengine(td);
7e356b2d 373
ebac4655
JA
374 memset(&threads[td->thread_number - 1], 0, sizeof(*td));
375 thread_number--;
376}
377
581e7141 378static int __setup_rate(struct thread_data *td, enum fio_ddir ddir)
127f6865 379{
581e7141 380 unsigned int bs = td->o.min_bs[ddir];
127f6865 381
ff58fced
JA
382 assert(ddir_rw(ddir));
383
ba3e4e0c 384 if (td->o.rate[ddir])
1b8dbf25 385 td->rate_bps[ddir] = td->o.rate[ddir];
ba3e4e0c 386 else
1b8dbf25 387 td->rate_bps[ddir] = td->o.rate_iops[ddir] * bs;
127f6865 388
1b8dbf25 389 if (!td->rate_bps[ddir]) {
127f6865
JA
390 log_err("rate lower than supported\n");
391 return -1;
392 }
393
581e7141 394 td->rate_pending_usleep[ddir] = 0;
127f6865
JA
395 return 0;
396}
397
581e7141
JA
398static int setup_rate(struct thread_data *td)
399{
400 int ret = 0;
401
402 if (td->o.rate[DDIR_READ] || td->o.rate_iops[DDIR_READ])
403 ret = __setup_rate(td, DDIR_READ);
404 if (td->o.rate[DDIR_WRITE] || td->o.rate_iops[DDIR_WRITE])
405 ret |= __setup_rate(td, DDIR_WRITE);
6eaf09d6
SL
406 if (td->o.rate[DDIR_TRIM] || td->o.rate_iops[DDIR_TRIM])
407 ret |= __setup_rate(td, DDIR_TRIM);
581e7141
JA
408
409 return ret;
410}
411
8347239a
JA
412static int fixed_block_size(struct thread_options *o)
413{
414 return o->min_bs[DDIR_READ] == o->max_bs[DDIR_READ] &&
415 o->min_bs[DDIR_WRITE] == o->max_bs[DDIR_WRITE] &&
6eaf09d6
SL
416 o->min_bs[DDIR_TRIM] == o->max_bs[DDIR_TRIM] &&
417 o->min_bs[DDIR_READ] == o->min_bs[DDIR_WRITE] &&
418 o->min_bs[DDIR_READ] == o->min_bs[DDIR_TRIM];
8347239a
JA
419}
420
23ed19b0
CE
421
422static unsigned long long get_rand_start_delay(struct thread_data *td)
423{
424 unsigned long long delayrange;
425 unsigned long r;
426
427 delayrange = td->o.start_delay_high - td->o.start_delay;
428
429 if (td->o.use_os_rand) {
430 r = os_random_long(&td->delay_state);
431 delayrange = (unsigned long long) ((double) delayrange * (r / (OS_RAND_MAX + 1.0)));
432 } else {
433 r = __rand(&td->__delay_state);
434 delayrange = (unsigned long long) ((double) delayrange * (r / (FRAND_MAX + 1.0)));
435 }
436
437 delayrange += td->o.start_delay;
438 return delayrange;
439}
440
dad915e3
JA
441/*
442 * Lazy way of fixing up options that depend on each other. We could also
443 * define option callback handlers, but this is easier.
444 */
4e991c23 445static int fixup_options(struct thread_data *td)
e1f36503 446{
2dc1bbeb 447 struct thread_options *o = &td->o;
eefd98b1 448 int ret = 0;
dad915e3 449
f356d01d 450#ifndef FIO_HAVE_PSHARED_MUTEX
9bbf57cc 451 if (!o->use_thread) {
f356d01d
JA
452 log_info("fio: this platform does not support process shared"
453 " mutexes, forcing use of threads. Use the 'thread'"
454 " option to get rid of this warning.\n");
9bbf57cc 455 o->use_thread = 1;
a9523c6f 456 ret = warnings_fatal;
f356d01d
JA
457 }
458#endif
459
2dc1bbeb 460 if (o->write_iolog_file && o->read_iolog_file) {
076efc7c 461 log_err("fio: read iolog overrides write_iolog\n");
2dc1bbeb
JA
462 free(o->write_iolog_file);
463 o->write_iolog_file = NULL;
a9523c6f 464 ret = warnings_fatal;
076efc7c 465 }
16b462ae 466
16b462ae 467 /*
ed335855 468 * only really works with 1 file
16b462ae 469 */
627aa1a8 470 if (o->zone_size && o->open_files > 1)
2dc1bbeb 471 o->zone_size = 0;
16b462ae 472
ed335855
SN
473 /*
474 * If zone_range isn't specified, backward compatibility dictates it
475 * should be made equal to zone_size.
476 */
477 if (o->zone_size && !o->zone_range)
478 o->zone_range = o->zone_size;
479
16b462ae
JA
480 /*
481 * Reads can do overwrites, we always need to pre-create the file
482 */
483 if (td_read(td) || td_rw(td))
2dc1bbeb 484 o->overwrite = 1;
16b462ae 485
2dc1bbeb 486 if (!o->min_bs[DDIR_READ])
5ec10eaa 487 o->min_bs[DDIR_READ] = o->bs[DDIR_READ];
2dc1bbeb
JA
488 if (!o->max_bs[DDIR_READ])
489 o->max_bs[DDIR_READ] = o->bs[DDIR_READ];
490 if (!o->min_bs[DDIR_WRITE])
5ec10eaa 491 o->min_bs[DDIR_WRITE] = o->bs[DDIR_WRITE];
2dc1bbeb
JA
492 if (!o->max_bs[DDIR_WRITE])
493 o->max_bs[DDIR_WRITE] = o->bs[DDIR_WRITE];
6eaf09d6
SL
494 if (!o->min_bs[DDIR_TRIM])
495 o->min_bs[DDIR_TRIM] = o->bs[DDIR_TRIM];
496 if (!o->max_bs[DDIR_TRIM])
497 o->max_bs[DDIR_TRIM] = o->bs[DDIR_TRIM];
498
a00735e6 499
2dc1bbeb 500 o->rw_min_bs = min(o->min_bs[DDIR_READ], o->min_bs[DDIR_WRITE]);
6eaf09d6 501 o->rw_min_bs = min(o->min_bs[DDIR_TRIM], o->rw_min_bs);
a00735e6 502
2b7a01d0
JA
503 /*
504 * For random IO, allow blockalign offset other than min_bs.
505 */
506 if (!o->ba[DDIR_READ] || !td_random(td))
507 o->ba[DDIR_READ] = o->min_bs[DDIR_READ];
508 if (!o->ba[DDIR_WRITE] || !td_random(td))
509 o->ba[DDIR_WRITE] = o->min_bs[DDIR_WRITE];
6eaf09d6
SL
510 if (!o->ba[DDIR_TRIM] || !td_random(td))
511 o->ba[DDIR_TRIM] = o->min_bs[DDIR_TRIM];
2b7a01d0
JA
512
513 if ((o->ba[DDIR_READ] != o->min_bs[DDIR_READ] ||
6eaf09d6
SL
514 o->ba[DDIR_WRITE] != o->min_bs[DDIR_WRITE] ||
515 o->ba[DDIR_TRIM] != o->min_bs[DDIR_TRIM]) &&
9bbf57cc 516 !o->norandommap) {
2b7a01d0 517 log_err("fio: Any use of blockalign= turns off randommap\n");
9bbf57cc 518 o->norandommap = 1;
a9523c6f 519 ret = warnings_fatal;
2b7a01d0
JA
520 }
521
2dc1bbeb
JA
522 if (!o->file_size_high)
523 o->file_size_high = o->file_size_low;
9c60ce64 524
23ed19b0
CE
525 if (o->start_delay_high)
526 o->start_delay = get_rand_start_delay(td);
527
8347239a
JA
528 if (o->norandommap && o->verify != VERIFY_NONE
529 && !fixed_block_size(o)) {
530 log_err("fio: norandommap given for variable block sizes, "
531 "verify disabled\n");
2dc1bbeb 532 o->verify = VERIFY_NONE;
a9523c6f 533 ret = warnings_fatal;
bb8895e0 534 }
2dc1bbeb 535 if (o->bs_unaligned && (o->odirect || td->io_ops->flags & FIO_RAWIO))
690adba3 536 log_err("fio: bs_unaligned may not work with raw io\n");
e0a22335 537
48097d5c
JA
538 /*
539 * thinktime_spin must be less than thinktime
540 */
2dc1bbeb
JA
541 if (o->thinktime_spin > o->thinktime)
542 o->thinktime_spin = o->thinktime;
e916b390
JA
543
544 /*
545 * The low water mark cannot be bigger than the iodepth
546 */
67bf9823
JA
547 if (o->iodepth_low > o->iodepth || !o->iodepth_low)
548 o->iodepth_low = o->iodepth;
cb5ab512
JA
549
550 /*
551 * If batch number isn't set, default to the same as iodepth
552 */
2dc1bbeb
JA
553 if (o->iodepth_batch > o->iodepth || !o->iodepth_batch)
554 o->iodepth_batch = o->iodepth;
b5af8293 555
2dc1bbeb
JA
556 if (o->nr_files > td->files_index)
557 o->nr_files = td->files_index;
9f9214f2 558
2dc1bbeb
JA
559 if (o->open_files > o->nr_files || !o->open_files)
560 o->open_files = o->nr_files;
4e991c23 561
6eaf09d6
SL
562 if (((o->rate[DDIR_READ] + o->rate[DDIR_WRITE] + o->rate[DDIR_TRIM]) &&
563 (o->rate_iops[DDIR_READ] + o->rate_iops[DDIR_WRITE] + o->rate_iops[DDIR_TRIM])) ||
564 ((o->ratemin[DDIR_READ] + o->ratemin[DDIR_WRITE] + o->ratemin[DDIR_TRIM]) &&
565 (o->rate_iops_min[DDIR_READ] + o->rate_iops_min[DDIR_WRITE] + o->rate_iops_min[DDIR_TRIM]))) {
4e991c23 566 log_err("fio: rate and rate_iops are mutually exclusive\n");
a9523c6f 567 ret = 1;
4e991c23 568 }
6eaf09d6
SL
569 if ((o->rate[DDIR_READ] < o->ratemin[DDIR_READ]) ||
570 (o->rate[DDIR_WRITE] < o->ratemin[DDIR_WRITE]) ||
571 (o->rate[DDIR_TRIM] < o->ratemin[DDIR_TRIM]) ||
572 (o->rate_iops[DDIR_READ] < o->rate_iops_min[DDIR_READ]) ||
573 (o->rate_iops[DDIR_WRITE] < o->rate_iops_min[DDIR_WRITE]) ||
574 (o->rate_iops[DDIR_TRIM] < o->rate_iops_min[DDIR_TRIM])) {
4e991c23 575 log_err("fio: minimum rate exceeds rate\n");
a9523c6f 576 ret = 1;
4e991c23
JA
577 }
578
cf4464ca
JA
579 if (!o->timeout && o->time_based) {
580 log_err("fio: time_based requires a runtime/timeout setting\n");
581 o->time_based = 0;
a9523c6f 582 ret = warnings_fatal;
cf4464ca
JA
583 }
584
aa31f1f1 585 if (o->fill_device && !o->size)
5921e80c 586 o->size = -1ULL;
5ec10eaa 587
9bbf57cc 588 if (o->verify != VERIFY_NONE) {
996936f9 589 if (td_write(td) && o->do_verify && o->numjobs > 1) {
a9523c6f
JA
590 log_info("Multiple writers may overwrite blocks that "
591 "belong to other jobs. This can cause "
592 "verification failures.\n");
593 ret = warnings_fatal;
594 }
595
9bbf57cc 596 o->refill_buffers = 1;
2f1b8e8b
JA
597 if (o->max_bs[DDIR_WRITE] != o->min_bs[DDIR_WRITE] &&
598 !o->verify_interval)
599 o->verify_interval = o->min_bs[DDIR_WRITE];
d990588e 600 }
41ccd845 601
9bbf57cc
JA
602 if (o->pre_read) {
603 o->invalidate_cache = 0;
a9523c6f 604 if (td->io_ops->flags & FIO_PIPEIO) {
9c0d2241
JA
605 log_info("fio: cannot pre-read files with an IO engine"
606 " that isn't seekable. Pre-read disabled.\n");
a9523c6f
JA
607 ret = warnings_fatal;
608 }
9c0d2241 609 }
34f1c044 610
ad705bcb
SN
611 if (!o->unit_base) {
612 if (td->io_ops->flags & FIO_BIT_BASED)
613 o->unit_base = 1;
614 else
615 o->unit_base = 8;
616 }
617
67bf9823 618#ifndef CONFIG_FDATASYNC
9bbf57cc 619 if (o->fdatasync_blocks) {
e72fa4d4
JA
620 log_info("fio: this platform does not support fdatasync()"
621 " falling back to using fsync(). Use the 'fsync'"
622 " option instead of 'fdatasync' to get rid of"
623 " this warning\n");
9bbf57cc
JA
624 o->fsync_blocks = o->fdatasync_blocks;
625 o->fdatasync_blocks = 0;
a9523c6f 626 ret = warnings_fatal;
e72fa4d4
JA
627 }
628#endif
629
93bcfd20
BC
630#ifdef WIN32
631 /*
632 * Windows doesn't support O_DIRECT or O_SYNC with the _open interface,
633 * so fail if we're passed those flags
634 */
635 if ((td->io_ops->flags & FIO_SYNCIO) && (td->o.odirect || td->o.sync_io)) {
636 log_err("fio: Windows does not support direct or non-buffered io with"
637 " the synchronous ioengines. Use the 'windowsaio' ioengine"
638 " with 'direct=1' and 'iodepth=1' instead.\n");
639 ret = 1;
640 }
641#endif
642
811ac503
JA
643 /*
644 * For fully compressible data, just zero them at init time.
645 * It's faster than repeatedly filling it.
646 */
647 if (td->o.compress_percentage == 100) {
648 td->o.zero_buffers = 1;
649 td->o.compress_percentage = 0;
650 }
651
5881fda4
JA
652 /*
653 * Using a non-uniform random distribution excludes usage of
654 * a random map
655 */
656 if (td->o.random_distribution != FIO_RAND_DIST_RANDOM)
657 td->o.norandommap = 1;
658
8d916c94
JA
659 /*
660 * If size is set but less than the min block size, complain
661 */
662 if (o->size && o->size < td_min_bs(td)) {
663 log_err("fio: size too small, must be larger than the IO size: %llu\n", (unsigned long long) o->size);
664 ret = 1;
665 }
666
d01612f3
CM
667 /*
668 * O_ATOMIC implies O_DIRECT
669 */
670 if (td->o.oatomic)
671 td->o.odirect = 1;
672
04778baf
JA
673 /*
674 * If randseed is set, that overrides randrepeat
675 */
676 if (td->o.rand_seed)
677 td->o.rand_repeatable = 0;
678
b1bebc32
JA
679 if ((td->io_ops->flags & FIO_NOEXTEND) && td->o.file_append) {
680 log_err("fio: can't append/extent with IO engine %s\n", td->io_ops->name);
681 ret = 1;
682 }
683
a9523c6f 684 return ret;
e1f36503
JA
685}
686
f8977ee6
JA
687/*
688 * This function leaks the buffer
689 */
99d633af 690char *fio_uint_to_kmg(unsigned int val)
f8977ee6
JA
691{
692 char *buf = malloc(32);
f3502ba2 693 char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 };
f8977ee6
JA
694 char *p = post;
695
245142ff 696 do {
f8977ee6
JA
697 if (val & 1023)
698 break;
699
700 val >>= 10;
701 p++;
245142ff 702 } while (*p);
f8977ee6 703
98ffb8f3 704 snprintf(buf, 32, "%u%c", val, *p);
f8977ee6
JA
705 return buf;
706}
707
09629a90
JA
708/* External engines are specified by "external:name.o") */
709static const char *get_engine_name(const char *str)
710{
711 char *p = strstr(str, ":");
712
713 if (!p)
714 return str;
715
716 p++;
717 strip_blank_front(&p);
718 strip_blank_end(p);
719 return p;
720}
721
e132cbae
JA
722static int exists_and_not_file(const char *filename)
723{
724 struct stat sb;
725
726 if (lstat(filename, &sb) == -1)
727 return 0;
728
ecc314ba
BC
729 /* \\.\ is the device namespace in Windows, where every file
730 * is a device node */
731 if (S_ISREG(sb.st_mode) && strncmp(filename, "\\\\.\\", 4) != 0)
e132cbae
JA
732 return 0;
733
734 return 1;
735}
736
4c07ad86 737static void td_fill_rand_seeds_os(struct thread_data *td)
5bfc35d7 738{
d24945f0
JA
739 os_random_seed(td->rand_seeds[FIO_RAND_BS_OFF], &td->bsrange_state);
740 os_random_seed(td->rand_seeds[FIO_RAND_VER_OFF], &td->verify_state);
741 os_random_seed(td->rand_seeds[FIO_RAND_MIX_OFF], &td->rwmix_state);
5bfc35d7
JA
742
743 if (td->o.file_service_type == FIO_FSERVICE_RANDOM)
d24945f0 744 os_random_seed(td->rand_seeds[FIO_RAND_FILE_OFF], &td->next_file_state);
5bfc35d7 745
d24945f0
JA
746 os_random_seed(td->rand_seeds[FIO_RAND_FILE_SIZE_OFF], &td->file_size_state);
747 os_random_seed(td->rand_seeds[FIO_RAND_TRIM_OFF], &td->trim_state);
23ed19b0 748 os_random_seed(td->rand_seeds[FIO_RAND_START_DELAY], &td->delay_state);
5bfc35d7
JA
749
750 if (!td_random(td))
751 return;
752
753 if (td->o.rand_repeatable)
d24945f0 754 td->rand_seeds[FIO_RAND_BLOCK_OFF] = FIO_RANDSEED * td->thread_number;
5bfc35d7 755
d24945f0 756 os_random_seed(td->rand_seeds[FIO_RAND_BLOCK_OFF], &td->random_state);
d9472271
JA
757
758 os_random_seed(td->rand_seeds[FIO_RAND_SEQ_RAND_READ_OFF], &td->seq_rand_state[DDIR_READ]);
759 os_random_seed(td->rand_seeds[FIO_RAND_SEQ_RAND_WRITE_OFF], &td->seq_rand_state[DDIR_WRITE]);
760 os_random_seed(td->rand_seeds[FIO_RAND_SEQ_RAND_TRIM_OFF], &td->seq_rand_state[DDIR_TRIM]);
4c07ad86
JA
761}
762
763static void td_fill_rand_seeds_internal(struct thread_data *td)
764{
d24945f0
JA
765 init_rand_seed(&td->__bsrange_state, td->rand_seeds[FIO_RAND_BS_OFF]);
766 init_rand_seed(&td->__verify_state, td->rand_seeds[FIO_RAND_VER_OFF]);
767 init_rand_seed(&td->__rwmix_state, td->rand_seeds[FIO_RAND_MIX_OFF]);
4c07ad86
JA
768
769 if (td->o.file_service_type == FIO_FSERVICE_RANDOM)
d24945f0 770 init_rand_seed(&td->__next_file_state, td->rand_seeds[FIO_RAND_FILE_OFF]);
4c07ad86 771
d24945f0
JA
772 init_rand_seed(&td->__file_size_state, td->rand_seeds[FIO_RAND_FILE_SIZE_OFF]);
773 init_rand_seed(&td->__trim_state, td->rand_seeds[FIO_RAND_TRIM_OFF]);
23ed19b0 774 init_rand_seed(&td->__delay_state, td->rand_seeds[FIO_RAND_START_DELAY]);
4c07ad86
JA
775
776 if (!td_random(td))
777 return;
778
779 if (td->o.rand_repeatable)
d24945f0 780 td->rand_seeds[FIO_RAND_BLOCK_OFF] = FIO_RANDSEED * td->thread_number;
4c07ad86 781
d24945f0 782 init_rand_seed(&td->__random_state, td->rand_seeds[FIO_RAND_BLOCK_OFF]);
d9472271
JA
783 init_rand_seed(&td->__seq_rand_state[DDIR_READ], td->rand_seeds[FIO_RAND_SEQ_RAND_READ_OFF]);
784 init_rand_seed(&td->__seq_rand_state[DDIR_WRITE], td->rand_seeds[FIO_RAND_SEQ_RAND_WRITE_OFF]);
785 init_rand_seed(&td->__seq_rand_state[DDIR_TRIM], td->rand_seeds[FIO_RAND_SEQ_RAND_TRIM_OFF]);
5bfc35d7
JA
786}
787
4c07ad86
JA
788void td_fill_rand_seeds(struct thread_data *td)
789{
56e2a5fc
CE
790 if (td->o.allrand_repeatable) {
791 for (int i = 0; i < FIO_RAND_NR_OFFS; i++)
792 td->rand_seeds[i] = FIO_RANDSEED * td->thread_number
793 + i;
794 }
795
4c07ad86
JA
796 if (td->o.use_os_rand)
797 td_fill_rand_seeds_os(td);
798 else
799 td_fill_rand_seeds_internal(td);
3545a109 800
d24945f0 801 init_rand_seed(&td->buf_state, td->rand_seeds[FIO_RAND_BUF_OFF]);
4c07ad86
JA
802}
803
de890a1e
SL
804/*
805 * Initializes the ioengine configured for a job, if it has not been done so
806 * already.
807 */
808int ioengine_load(struct thread_data *td)
809{
810 const char *engine;
811
812 /*
813 * Engine has already been loaded.
814 */
815 if (td->io_ops)
816 return 0;
6e5c4b8e
JA
817 if (!td->o.ioengine) {
818 log_err("fio: internal fault, no IO engine specified\n");
819 return 1;
820 }
de890a1e
SL
821
822 engine = get_engine_name(td->o.ioengine);
823 td->io_ops = load_ioengine(td, engine);
824 if (!td->io_ops) {
825 log_err("fio: failed to load engine %s\n", engine);
826 return 1;
827 }
828
829 if (td->io_ops->option_struct_size && td->io_ops->options) {
830 /*
831 * In cases where td->eo is set, clone it for a child thread.
832 * This requires that the parent thread has the same ioengine,
833 * but that requirement must be enforced by the code which
834 * cloned the thread.
835 */
836 void *origeo = td->eo;
837 /*
838 * Otherwise use the default thread options.
839 */
840 if (!origeo && td != &def_thread && def_thread.eo &&
841 def_thread.io_ops->options == td->io_ops->options)
842 origeo = def_thread.eo;
843
844 options_init(td->io_ops->options);
845 td->eo = malloc(td->io_ops->option_struct_size);
846 /*
847 * Use the default thread as an option template if this uses the
848 * same options structure and there are non-default options
849 * used.
850 */
851 if (origeo) {
852 memcpy(td->eo, origeo, td->io_ops->option_struct_size);
853 options_mem_dupe(td->eo, td->io_ops->options);
854 } else {
855 memset(td->eo, 0, td->io_ops->option_struct_size);
856 fill_default_options(td->eo, td->io_ops->options);
857 }
858 *(struct thread_data **)td->eo = td;
859 }
860
861 return 0;
862}
863
d72be545
JA
864static void init_flags(struct thread_data *td)
865{
866 struct thread_options *o = &td->o;
867
868 if (o->verify_backlog)
869 td->flags |= TD_F_VER_BACKLOG;
870 if (o->trim_backlog)
871 td->flags |= TD_F_TRIM_BACKLOG;
872 if (o->read_iolog_file)
873 td->flags |= TD_F_READ_IOLOG;
874 if (o->refill_buffers)
875 td->flags |= TD_F_REFILL_BUFFERS;
bedc9dc2 876 if (o->scramble_buffers)
d72be545
JA
877 td->flags |= TD_F_SCRAMBLE_BUFFERS;
878 if (o->verify != VERIFY_NONE)
879 td->flags |= TD_F_VER_NONE;
880}
881
9dbc7bfe
JA
882static int setup_random_seeds(struct thread_data *td)
883{
884 unsigned long seed;
885 unsigned int i;
886
04778baf 887 if (!td->o.rand_repeatable && !td->o.rand_seed)
9dbc7bfe
JA
888 return init_random_state(td, td->rand_seeds, sizeof(td->rand_seeds));
889
04778baf
JA
890 if (!td->o.rand_seed)
891 seed = 0x89;
892 else
893 seed = td->o.rand_seed;
894
895 for (i = 0; i < 4; i++)
9dbc7bfe
JA
896 seed *= 0x9e370001UL;
897
898 for (i = 0; i < FIO_RAND_NR_OFFS; i++) {
899 td->rand_seeds[i] = seed;
900 seed *= 0x9e370001UL;
901 }
902
903 td_fill_rand_seeds(td);
904 return 0;
905}
906
de98bd30
JA
907enum {
908 FPRE_NONE = 0,
909 FPRE_JOBNAME,
910 FPRE_JOBNUM,
911 FPRE_FILENUM
912};
913
914static struct fpre_keyword {
915 const char *keyword;
916 size_t strlen;
917 int key;
918} fpre_keywords[] = {
919 { .keyword = "$jobname", .key = FPRE_JOBNAME, },
920 { .keyword = "$jobnum", .key = FPRE_JOBNUM, },
921 { .keyword = "$filenum", .key = FPRE_FILENUM, },
922 { .keyword = NULL, },
923 };
924
925static char *make_filename(char *buf, struct thread_options *o,
926 const char *jobname, int jobnum, int filenum)
927{
928 struct fpre_keyword *f;
929 char copy[PATH_MAX];
930
931 if (!o->filename_format || !strlen(o->filename_format)) {
932 sprintf(buf, "%s.%d.%d", jobname, jobnum, filenum);
933 return NULL;
934 }
935
936 for (f = &fpre_keywords[0]; f->keyword; f++)
937 f->strlen = strlen(f->keyword);
938
939 strcpy(buf, o->filename_format);
940 memset(copy, 0, sizeof(copy));
941 for (f = &fpre_keywords[0]; f->keyword; f++) {
942 do {
943 size_t pre_len, post_start = 0;
944 char *str, *dst = copy;
945
e25b6d5a 946 str = strcasestr(buf, f->keyword);
de98bd30
JA
947 if (!str)
948 break;
949
950 pre_len = str - buf;
951 if (strlen(str) != f->strlen)
952 post_start = pre_len + f->strlen;
953
954 if (pre_len) {
955 strncpy(dst, buf, pre_len);
956 dst += pre_len;
957 }
958
959 switch (f->key) {
960 case FPRE_JOBNAME:
961 dst += sprintf(dst, "%s", jobname);
962 break;
963 case FPRE_JOBNUM:
964 dst += sprintf(dst, "%d", jobnum);
965 break;
966 case FPRE_FILENUM:
967 dst += sprintf(dst, "%d", filenum);
968 break;
969 default:
970 assert(0);
971 break;
972 }
973
974 if (post_start)
975 strcpy(dst, buf + post_start);
976
977 strcpy(buf, copy);
978 } while (1);
979 }
980
981 return buf;
982}
f9633d72
JA
983
984int parse_dryrun(void)
985{
986 return dump_cmdline || parse_only;
987}
988
906c8d75
JA
989/*
990 * Adds a job to the list of things todo. Sanitizes the various options
991 * to make sure we don't have conflicts, and initializes various
992 * members of td.
993 */
b7cfb2e1 994static int add_job(struct thread_data *td, const char *jobname, int job_add_num,
46bcd498 995 int recursed, int client_type)
ebac4655 996{
af52b345 997 unsigned int i;
af52b345 998 char fname[PATH_MAX];
e132cbae 999 int numjobs, file_alloced;
de98bd30 1000 struct thread_options *o = &td->o;
ebac4655 1001
ebac4655
JA
1002 /*
1003 * the def_thread is just for options, it's not a real job
1004 */
1005 if (td == &def_thread)
1006 return 0;
1007
d72be545
JA
1008 init_flags(td);
1009
cca73aa7
JA
1010 /*
1011 * if we are just dumping the output command line, don't add the job
1012 */
f9633d72 1013 if (parse_dryrun()) {
cca73aa7
JA
1014 put_job(td);
1015 return 0;
1016 }
1017
46bcd498
JA
1018 td->client_type = client_type;
1019
58c55ba0 1020 if (profile_td_init(td))
66251554 1021 goto err;
58c55ba0 1022
de890a1e 1023 if (ioengine_load(td))
205927a3 1024 goto err;
df64119d 1025
de98bd30 1026 if (o->odirect)
690adba3
JA
1027 td->io_ops->flags |= FIO_RAWIO;
1028
e132cbae 1029 file_alloced = 0;
de98bd30 1030 if (!o->filename && !td->files_index && !o->read_iolog_file) {
e132cbae 1031 file_alloced = 1;
80be24f4 1032
de98bd30 1033 if (o->nr_files == 1 && exists_and_not_file(jobname))
5903e7b7 1034 add_file(td, jobname, job_add_num, 0);
7b05a215 1035 else {
de98bd30 1036 for (i = 0; i < o->nr_files; i++)
5903e7b7 1037 add_file(td, make_filename(fname, o, jobname, job_add_num, i), job_add_num, 0);
af52b345 1038 }
0af7b542 1039 }
ebac4655 1040
4e991c23
JA
1041 if (fixup_options(td))
1042 goto err;
e0a22335 1043
9e684a49
DE
1044 flow_init_job(td);
1045
de890a1e
SL
1046 /*
1047 * IO engines only need this for option callbacks, and the address may
1048 * change in subprocesses.
1049 */
1050 if (td->eo)
1051 *(struct thread_data **)td->eo = NULL;
1052
07eb79df
JA
1053 if (td->io_ops->flags & FIO_DISKLESSIO) {
1054 struct fio_file *f;
1055
1056 for_each_file(td, f, i)
1057 f->real_file_size = -1ULL;
1058 }
1059
521da527 1060 td->mutex = fio_mutex_init(FIO_MUTEX_LOCKED);
ebac4655 1061
de98bd30
JA
1062 td->ts.clat_percentiles = o->clat_percentiles;
1063 td->ts.percentile_precision = o->percentile_precision;
1064 memcpy(td->ts.percentile_list, o->percentile_list, sizeof(o->percentile_list));
83349190 1065
6eaf09d6
SL
1066 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
1067 td->ts.clat_stat[i].min_val = ULONG_MAX;
1068 td->ts.slat_stat[i].min_val = ULONG_MAX;
1069 td->ts.lat_stat[i].min_val = ULONG_MAX;
1070 td->ts.bw_stat[i].min_val = ULONG_MAX;
1071 }
de98bd30 1072 td->ddir_seq_nr = o->ddir_seq_nr;
ebac4655 1073
de98bd30 1074 if ((o->stonewall || o->new_group) && prev_group_jobs) {
3c5df6fa 1075 prev_group_jobs = 0;
ebac4655 1076 groupid++;
3c5df6fa 1077 }
ebac4655
JA
1078
1079 td->groupid = groupid;
3c5df6fa 1080 prev_group_jobs++;
ebac4655 1081
9dbc7bfe 1082 if (setup_random_seeds(td)) {
93bcfd20 1083 td_verror(td, errno, "init_random_state");
9c60ce64 1084 goto err;
93bcfd20 1085 }
9c60ce64 1086
ebac4655
JA
1087 if (setup_rate(td))
1088 goto err;
1089
8e255779 1090 if (o->lat_log_file || write_lat_log) {
22f80458
JA
1091 setup_log(&td->lat_log, o->log_avg_msec, IO_LOG_TYPE_LAT);
1092 setup_log(&td->slat_log, o->log_avg_msec, IO_LOG_TYPE_SLAT);
1093 setup_log(&td->clat_log, o->log_avg_msec, IO_LOG_TYPE_CLAT);
ebac4655 1094 }
8e255779 1095 if (o->bw_log_file || write_bw_log)
22f80458
JA
1096 setup_log(&td->bw_log, o->log_avg_msec, IO_LOG_TYPE_BW);
1097 if (o->iops_log_file)
1098 setup_log(&td->iops_log, o->log_avg_msec, IO_LOG_TYPE_IOPS);
ebac4655 1099
de98bd30
JA
1100 if (!o->name)
1101 o->name = strdup(jobname);
01452055 1102
f3afa57e 1103 if (output_format == FIO_OUTPUT_NORMAL) {
b990b5c0 1104 if (!job_add_num) {
b7cfb2e1 1105 if (is_backend && !recursed)
2f122b13 1106 fio_server_send_add_job(td);
807f9971 1107
0353050f 1108 if (!(td->io_ops->flags & FIO_NOIO)) {
d21e2535
JA
1109 char *c1, *c2, *c3, *c4;
1110 char *c5 = NULL, *c6 = NULL;
f8977ee6 1111
22f80458
JA
1112 c1 = fio_uint_to_kmg(o->min_bs[DDIR_READ]);
1113 c2 = fio_uint_to_kmg(o->max_bs[DDIR_READ]);
1114 c3 = fio_uint_to_kmg(o->min_bs[DDIR_WRITE]);
1115 c4 = fio_uint_to_kmg(o->max_bs[DDIR_WRITE]);
d21e2535
JA
1116
1117 if (!o->bs_is_seq_rand) {
1118 c5 = fio_uint_to_kmg(o->min_bs[DDIR_TRIM]);
1119 c6 = fio_uint_to_kmg(o->max_bs[DDIR_TRIM]);
1120 }
1121
1122 log_info("%s: (g=%d): rw=%s, ", td->o.name,
1123 td->groupid,
1124 ddir_str(o->td_ddir));
1125
1126 if (o->bs_is_seq_rand)
1127 log_info("bs(seq/rand)=%s-%s/%s-%s, ",
1128 c1, c2, c3, c4);
1129 else
1130 log_info("bs=%s-%s/%s-%s/%s-%s, ",
1131 c1, c2, c3, c4, c5, c6);
1132
1133 log_info("ioengine=%s, iodepth=%u\n",
de98bd30 1134 td->io_ops->name, o->iodepth);
f8977ee6
JA
1135
1136 free(c1);
1137 free(c2);
1138 free(c3);
1139 free(c4);
6eaf09d6
SL
1140 free(c5);
1141 free(c6);
f8977ee6 1142 }
b990b5c0 1143 } else if (job_add_num == 1)
6d86144d 1144 log_info("...\n");
c6ae0a5b 1145 }
ebac4655
JA
1146
1147 /*
1148 * recurse add identical jobs, clear numjobs and stonewall options
1149 * as they don't apply to sub-jobs
1150 */
de98bd30 1151 numjobs = o->numjobs;
ebac4655 1152 while (--numjobs) {
de890a1e 1153 struct thread_data *td_new = get_new_job(0, td, 1);
ebac4655
JA
1154
1155 if (!td_new)
1156 goto err;
1157
2dc1bbeb
JA
1158 td_new->o.numjobs = 1;
1159 td_new->o.stonewall = 0;
92c1d41f 1160 td_new->o.new_group = 0;
e132cbae
JA
1161
1162 if (file_alloced) {
455a50fa
CE
1163 if (td_new->files) {
1164 struct fio_file *f;
1165 for_each_file(td_new, f, i) {
1166 if (f->file_name)
ece6d647
AK
1167 sfree(f->file_name);
1168 sfree(f);
455a50fa 1169 }
ece6d647 1170 free(td_new->files);
455a50fa
CE
1171 td_new->files = NULL;
1172 }
ece6d647
AK
1173 td_new->files_index = 0;
1174 td_new->files_size = 0;
455a50fa
CE
1175 if (td_new->o.filename) {
1176 free(td_new->o.filename);
1177 td_new->o.filename = NULL;
1178 }
e132cbae
JA
1179 }
1180
bcbfeefa 1181 if (add_job(td_new, jobname, numjobs, 1, client_type))
ebac4655
JA
1182 goto err;
1183 }
3c5df6fa 1184
ebac4655
JA
1185 return 0;
1186err:
1187 put_job(td);
1188 return -1;
1189}
1190
79d16311
JA
1191/*
1192 * Parse as if 'o' was a command line
1193 */
46bcd498 1194void add_job_opts(const char **o, int client_type)
79d16311
JA
1195{
1196 struct thread_data *td, *td_parent;
1197 int i, in_global = 1;
1198 char jobname[32];
1199
1200 i = 0;
1201 td_parent = td = NULL;
1202 while (o[i]) {
1203 if (!strncmp(o[i], "name", 4)) {
1204 in_global = 0;
1205 if (td)
46bcd498 1206 add_job(td, jobname, 0, 0, client_type);
79d16311
JA
1207 td = NULL;
1208 sprintf(jobname, "%s", o[i] + 5);
1209 }
1210 if (in_global && !td_parent)
de890a1e 1211 td_parent = get_new_job(1, &def_thread, 0);
79d16311
JA
1212 else if (!in_global && !td) {
1213 if (!td_parent)
1214 td_parent = &def_thread;
de890a1e 1215 td = get_new_job(0, td_parent, 0);
79d16311
JA
1216 }
1217 if (in_global)
292cc475 1218 fio_options_parse(td_parent, (char **) &o[i], 1, 0);
79d16311 1219 else
292cc475 1220 fio_options_parse(td, (char **) &o[i], 1, 0);
79d16311
JA
1221 i++;
1222 }
1223
1224 if (td)
46bcd498 1225 add_job(td, jobname, 0, 0, client_type);
79d16311
JA
1226}
1227
01f06b63
JA
1228static int skip_this_section(const char *name)
1229{
ad0a2735
JA
1230 int i;
1231
1232 if (!nr_job_sections)
01f06b63
JA
1233 return 0;
1234 if (!strncmp(name, "global", 6))
1235 return 0;
1236
ad0a2735
JA
1237 for (i = 0; i < nr_job_sections; i++)
1238 if (!strcmp(job_sections[i], name))
1239 return 0;
1240
1241 return 1;
01f06b63
JA
1242}
1243
ebac4655
JA
1244static int is_empty_or_comment(char *line)
1245{
1246 unsigned int i;
1247
1248 for (i = 0; i < strlen(line); i++) {
1249 if (line[i] == ';')
1250 return 1;
5cc2da30
IM
1251 if (line[i] == '#')
1252 return 1;
76cd9378 1253 if (!isspace((int) line[i]) && !iscntrl((int) line[i]))
ebac4655
JA
1254 return 0;
1255 }
1256
1257 return 1;
1258}
1259
07261983
JA
1260/*
1261 * This is our [ini] type file parser.
1262 */
46bcd498 1263int parse_jobs_ini(char *file, int is_buf, int stonewall_flag, int type)
ebac4655 1264{
e1f36503 1265 unsigned int global;
ebac4655 1266 struct thread_data *td;
fee3bb48 1267 char *string, *name;
ebac4655
JA
1268 FILE *f;
1269 char *p;
0c7e37a0 1270 int ret = 0, stonewall;
097b2991 1271 int first_sect = 1;
ccf8f127 1272 int skip_fgets = 0;
01f06b63 1273 int inside_skip = 0;
3b8b7135
JA
1274 char **opts;
1275 int i, alloc_opts, num_opts;
ebac4655 1276
50d16976
JA
1277 if (is_buf)
1278 f = NULL;
1279 else {
1280 if (!strcmp(file, "-"))
1281 f = stdin;
1282 else
1283 f = fopen(file, "r");
5a729cbe 1284
50d16976
JA
1285 if (!f) {
1286 perror("fopen job file");
1287 return 1;
1288 }
ebac4655
JA
1289 }
1290
1291 string = malloc(4096);
7f7e6e59
JA
1292
1293 /*
1294 * it's really 256 + small bit, 280 should suffice
1295 */
1296 name = malloc(280);
1297 memset(name, 0, 280);
ebac4655 1298
3b8b7135
JA
1299 alloc_opts = 8;
1300 opts = malloc(sizeof(char *) * alloc_opts);
b7c6302d 1301 num_opts = 0;
3b8b7135 1302
0c7e37a0 1303 stonewall = stonewall_flag;
7c124ac1 1304 do {
ccf8f127
JA
1305 /*
1306 * if skip_fgets is set, we already have loaded a line we
1307 * haven't handled.
1308 */
1309 if (!skip_fgets) {
50d16976
JA
1310 if (is_buf)
1311 p = strsep(&file, "\n");
1312 else
43f74792 1313 p = fgets(string, 4096, f);
ccf8f127
JA
1314 if (!p)
1315 break;
1316 }
cdc7f193 1317
ccf8f127 1318 skip_fgets = 0;
cdc7f193 1319 strip_blank_front(&p);
6c7c7da1 1320 strip_blank_end(p);
cdc7f193 1321
ebac4655
JA
1322 if (is_empty_or_comment(p))
1323 continue;
84dd1886 1324 if (sscanf(p, "[%255[^\n]]", name) != 1) {
01f06b63
JA
1325 if (inside_skip)
1326 continue;
5ec10eaa
JA
1327 log_err("fio: option <%s> outside of [] job section\n",
1328 p);
088b4207 1329 break;
6c7c7da1 1330 }
ebac4655 1331
7a4b80a1
JA
1332 name[strlen(name) - 1] = '\0';
1333
01f06b63
JA
1334 if (skip_this_section(name)) {
1335 inside_skip = 1;
1336 continue;
1337 } else
1338 inside_skip = 0;
1339
ebac4655
JA
1340 global = !strncmp(name, "global", 6);
1341
cca73aa7 1342 if (dump_cmdline) {
097b2991
JA
1343 if (first_sect)
1344 log_info("fio ");
cca73aa7
JA
1345 if (!global)
1346 log_info("--name=%s ", name);
097b2991 1347 first_sect = 0;
cca73aa7
JA
1348 }
1349
de890a1e 1350 td = get_new_job(global, &def_thread, 0);
45410acb
JA
1351 if (!td) {
1352 ret = 1;
1353 break;
1354 }
ebac4655 1355
972cfd25 1356 /*
de8f6de9 1357 * Separate multiple job files by a stonewall
972cfd25 1358 */
f9481919 1359 if (!global && stonewall) {
2dc1bbeb 1360 td->o.stonewall = stonewall;
972cfd25
JA
1361 stonewall = 0;
1362 }
1363
3b8b7135
JA
1364 num_opts = 0;
1365 memset(opts, 0, alloc_opts * sizeof(char *));
1366
50d16976
JA
1367 while (1) {
1368 if (is_buf)
1369 p = strsep(&file, "\n");
1370 else
1371 p = fgets(string, 4096, f);
1372 if (!p)
1373 break;
1374
ebac4655
JA
1375 if (is_empty_or_comment(p))
1376 continue;
e1f36503 1377
b6754f9d 1378 strip_blank_front(&p);
7c124ac1 1379
ccf8f127
JA
1380 /*
1381 * new section, break out and make sure we don't
1382 * fgets() a new line at the top.
1383 */
1384 if (p[0] == '[') {
1385 skip_fgets = 1;
7c124ac1 1386 break;
ccf8f127 1387 }
7c124ac1 1388
4ae3f763 1389 strip_blank_end(p);
aea47d44 1390
3b8b7135
JA
1391 if (num_opts == alloc_opts) {
1392 alloc_opts <<= 1;
1393 opts = realloc(opts,
1394 alloc_opts * sizeof(char *));
1395 }
1396
1397 opts[num_opts] = strdup(p);
1398 num_opts++;
ebac4655 1399 }
ebac4655 1400
292cc475
JA
1401 ret = fio_options_parse(td, opts, num_opts, dump_cmdline);
1402 if (!ret)
46bcd498 1403 ret = add_job(td, name, 0, 0, type);
292cc475 1404 else {
b1508cf9
JA
1405 log_err("fio: job %s dropped\n", name);
1406 put_job(td);
45410acb 1407 }
3b8b7135
JA
1408
1409 for (i = 0; i < num_opts; i++)
1410 free(opts[i]);
1411 num_opts = 0;
7c124ac1 1412 } while (!ret);
ebac4655 1413
cca73aa7
JA
1414 if (dump_cmdline)
1415 log_info("\n");
1416
7e356b2d
JA
1417 i = 0;
1418 while (i < nr_job_sections) {
1419 free(job_sections[i]);
1420 i++;
1421 }
1422
3b8b7135
JA
1423 for (i = 0; i < num_opts; i++)
1424 free(opts[i]);
1425
ebac4655
JA
1426 free(string);
1427 free(name);
2577594d 1428 free(opts);
50d16976 1429 if (!is_buf && f != stdin)
5a729cbe 1430 fclose(f);
45410acb 1431 return ret;
ebac4655
JA
1432}
1433
1434static int fill_def_thread(void)
1435{
1436 memset(&def_thread, 0, sizeof(def_thread));
1437
375b2695 1438 fio_getaffinity(getpid(), &def_thread.o.cpumask);
8c029376 1439 def_thread.o.timeout = def_timeout;
8b28bd41 1440 def_thread.o.error_dump = 1;
ebac4655 1441 /*
ee738499 1442 * fill default options
ebac4655 1443 */
214e1eca 1444 fio_fill_default_options(&def_thread);
ebac4655
JA
1445 return 0;
1446}
1447
45378b35 1448static void usage(const char *name)
4785f995 1449{
3d43382c 1450 printf("%s\n", fio_version_string);
45378b35 1451 printf("%s [options] [job options] <job file(s)>\n", name);
83881283
JA
1452 printf(" --debug=options\tEnable debug logging. May be one/more of:\n"
1453 "\t\t\tprocess,file,io,mem,blktrace,verify,random,parse,\n"
3e260a46 1454 "\t\t\tdiskutil,job,mutex,profile,time,net,rate\n");
111e032d 1455 printf(" --parse-only\t\tParse options only, don't start any IO\n");
83881283 1456 printf(" --output\t\tWrite output to file\n");
b2cecdc2 1457 printf(" --runtime\t\tRuntime in seconds\n");
83881283
JA
1458 printf(" --latency-log\t\tGenerate per-job latency logs\n");
1459 printf(" --bandwidth-log\tGenerate per-job bandwidth logs\n");
1460 printf(" --minimal\t\tMinimal (terse) output\n");
f3afa57e 1461 printf(" --output-format=x\tOutput format (terse,json,normal)\n");
75db6e2c 1462 printf(" --terse-version=x\tSet terse version output format to 'x'\n");
f3afa57e 1463 printf(" --version\t\tPrint version info and exit\n");
83881283 1464 printf(" --help\t\tPrint this page\n");
23893646 1465 printf(" --cpuclock-test\tPerform test/validation of CPU clock\n");
fec0f21c 1466 printf(" --crctest\t\tTest speed of checksum functions\n");
83881283 1467 printf(" --cmdhelp=cmd\t\tPrint command help, \"all\" for all of"
5ec10eaa 1468 " them\n");
de890a1e
SL
1469 printf(" --enghelp=engine\tPrint ioengine help, or list"
1470 " available ioengines\n");
1471 printf(" --enghelp=engine,cmd\tPrint help for an ioengine"
1472 " cmd\n");
83881283
JA
1473 printf(" --showcmd\t\tTurn a job file into command line options\n");
1474 printf(" --eta=when\t\tWhen ETA estimate should be printed\n");
1475 printf(" \t\tMay be \"always\", \"never\" or \"auto\"\n");
e382e661
JA
1476 printf(" --eta-newline=time\tForce a new line for every 'time'");
1477 printf(" period passed\n");
06464907
JA
1478 printf(" --status-interval=t\tForce full status dump every");
1479 printf(" 't' period passed\n");
83881283 1480 printf(" --readonly\t\tTurn on safety read-only checks, preventing"
5ec10eaa 1481 " writes\n");
83881283
JA
1482 printf(" --section=name\tOnly run specified section in job file\n");
1483 printf(" --alloc-size=kb\tSet smalloc pool to this size in kb"
2b386d25 1484 " (def 1024)\n");
83881283
JA
1485 printf(" --warnings-fatal\tFio parser warnings are fatal\n");
1486 printf(" --max-jobs=nr\t\tMaximum number of threads/processes to support\n");
1487 printf(" --server=args\t\tStart a backend fio server\n");
1488 printf(" --daemonize=pidfile\tBackground fio server, write pid to file\n");
1489 printf(" --client=hostname\tTalk to remote backend fio server at hostname\n");
f2a2ce0e
HL
1490 printf(" --idle-prof=option\tReport cpu idleness on a system or percpu basis\n"
1491 "\t\t\t(option=system,percpu) or run unit work\n"
1492 "\t\t\tcalibration only (option=calibrate)\n");
aa58d252 1493 printf("\nFio was written by Jens Axboe <jens.axboe@oracle.com>");
bfca2c74
JA
1494 printf("\n Jens Axboe <jaxboe@fusionio.com>");
1495 printf("\n Jens Axboe <axboe@fb.com>\n");
4785f995
JA
1496}
1497
79e48f72 1498#ifdef FIO_INC_DEBUG
ee56ad50 1499struct debug_level debug_levels[] = {
0b8d11ed
JA
1500 { .name = "process",
1501 .help = "Process creation/exit logging",
1502 .shift = FD_PROCESS,
1503 },
1504 { .name = "file",
1505 .help = "File related action logging",
1506 .shift = FD_FILE,
1507 },
1508 { .name = "io",
1509 .help = "IO and IO engine action logging (offsets, queue, completions, etc)",
1510 .shift = FD_IO,
1511 },
1512 { .name = "mem",
1513 .help = "Memory allocation/freeing logging",
1514 .shift = FD_MEM,
1515 },
1516 { .name = "blktrace",
1517 .help = "blktrace action logging",
1518 .shift = FD_BLKTRACE,
1519 },
1520 { .name = "verify",
1521 .help = "IO verification action logging",
1522 .shift = FD_VERIFY,
1523 },
1524 { .name = "random",
1525 .help = "Random generation logging",
1526 .shift = FD_RANDOM,
1527 },
1528 { .name = "parse",
1529 .help = "Parser logging",
1530 .shift = FD_PARSE,
1531 },
1532 { .name = "diskutil",
1533 .help = "Disk utility logging actions",
1534 .shift = FD_DISKUTIL,
1535 },
1536 { .name = "job",
1537 .help = "Logging related to creating/destroying jobs",
1538 .shift = FD_JOB,
1539 },
1540 { .name = "mutex",
1541 .help = "Mutex logging",
1542 .shift = FD_MUTEX
1543 },
1544 { .name = "profile",
1545 .help = "Logging related to profiles",
1546 .shift = FD_PROFILE,
1547 },
1548 { .name = "time",
1549 .help = "Logging related to time keeping functions",
1550 .shift = FD_TIME,
1551 },
1552 { .name = "net",
1553 .help = "Network logging",
1554 .shift = FD_NET,
1555 },
3e260a46
JA
1556 { .name = "rate",
1557 .help = "Rate logging",
1558 .shift = FD_RATE,
1559 },
02444ad1 1560 { .name = NULL, },
ee56ad50
JA
1561};
1562
c09823ab 1563static int set_debug(const char *string)
ee56ad50
JA
1564{
1565 struct debug_level *dl;
1566 char *p = (char *) string;
1567 char *opt;
1568 int i;
1569
1570 if (!strcmp(string, "?") || !strcmp(string, "help")) {
ee56ad50
JA
1571 log_info("fio: dumping debug options:");
1572 for (i = 0; debug_levels[i].name; i++) {
1573 dl = &debug_levels[i];
1574 log_info("%s,", dl->name);
1575 }
bd6f78b2 1576 log_info("all\n");
c09823ab 1577 return 1;
ee56ad50
JA
1578 }
1579
1580 while ((opt = strsep(&p, ",")) != NULL) {
1581 int found = 0;
1582
5e1d306e
JA
1583 if (!strncmp(opt, "all", 3)) {
1584 log_info("fio: set all debug options\n");
1585 fio_debug = ~0UL;
1586 continue;
1587 }
1588
ee56ad50
JA
1589 for (i = 0; debug_levels[i].name; i++) {
1590 dl = &debug_levels[i];
5e1d306e
JA
1591 found = !strncmp(opt, dl->name, strlen(dl->name));
1592 if (!found)
1593 continue;
1594
1595 if (dl->shift == FD_JOB) {
1596 opt = strchr(opt, ':');
1597 if (!opt) {
1598 log_err("fio: missing job number\n");
1599 break;
1600 }
1601 opt++;
1602 fio_debug_jobno = atoi(opt);
1603 log_info("fio: set debug jobno %d\n",
1604 fio_debug_jobno);
1605 } else {
ee56ad50 1606 log_info("fio: set debug option %s\n", opt);
bd6f78b2 1607 fio_debug |= (1UL << dl->shift);
ee56ad50 1608 }
5e1d306e 1609 break;
ee56ad50
JA
1610 }
1611
1612 if (!found)
1613 log_err("fio: debug mask %s not found\n", opt);
1614 }
c09823ab 1615 return 0;
ee56ad50 1616}
79e48f72 1617#else
69b98d4c 1618static int set_debug(const char *string)
79e48f72
JA
1619{
1620 log_err("fio: debug tracing not included in build\n");
c09823ab 1621 return 1;
79e48f72
JA
1622}
1623#endif
9ac8a797 1624
4c6107ff
JA
1625static void fio_options_fill_optstring(void)
1626{
1627 char *ostr = cmd_optstr;
1628 int i, c;
1629
1630 c = i = 0;
1631 while (l_opts[i].name) {
1632 ostr[c++] = l_opts[i].val;
1633 if (l_opts[i].has_arg == required_argument)
1634 ostr[c++] = ':';
1635 else if (l_opts[i].has_arg == optional_argument) {
1636 ostr[c++] = ':';
1637 ostr[c++] = ':';
1638 }
1639 i++;
1640 }
1641 ostr[c] = '\0';
1642}
1643
c2c94585
JA
1644static int client_flag_set(char c)
1645{
1646 int i;
1647
1648 i = 0;
1649 while (l_opts[i].name) {
1650 int val = l_opts[i].val;
1651
1652 if (c == (val & 0xff))
1653 return (val & FIO_CLIENT_FLAG);
1654
1655 i++;
1656 }
1657
1658 return 0;
1659}
1660
fa2ea806 1661void parse_cmd_client(void *client, char *opt)
7a4b8240 1662{
fa2ea806 1663 fio_client_add_cmd_option(client, opt);
7a4b8240
JA
1664}
1665
fec0f21c
JA
1666extern int fio_crctest(const char *);
1667
46bcd498 1668int parse_cmd_line(int argc, char *argv[], int client_type)
ebac4655 1669{
b4692828 1670 struct thread_data *td = NULL;
c09823ab 1671 int c, ini_idx = 0, lidx, ret = 0, do_exit = 0, exit_val = 0;
4c6107ff 1672 char *ostr = cmd_optstr;
402668f3 1673 void *pid_file = NULL;
9bae26e8 1674 void *cur_client = NULL;
81179eec 1675 int backend = 0;
ebac4655 1676
c2c94585
JA
1677 /*
1678 * Reset optind handling, since we may call this multiple times
1679 * for the backend.
1680 */
1681 optind = 1;
7a4b8240 1682
c2c94585 1683 while ((c = getopt_long_only(argc, argv, ostr, l_opts, &lidx)) != -1) {
085399db
JA
1684 did_arg = 1;
1685
c2c94585 1686 if ((c & FIO_CLIENT_FLAG) || client_flag_set(c)) {
fa2ea806 1687 parse_cmd_client(cur_client, argv[optind - 1]);
7a4b8240
JA
1688 c &= ~FIO_CLIENT_FLAG;
1689 }
1690
ebac4655 1691 switch (c) {
2b386d25
JA
1692 case 'a':
1693 smalloc_pool_size = atoi(optarg);
1694 break;
b4692828 1695 case 't':
8c029376 1696 def_timeout = atoi(optarg);
b4692828
JA
1697 break;
1698 case 'l':
1699 write_lat_log = 1;
1700 break;
3d73e5a9 1701 case 'b':
b4692828
JA
1702 write_bw_log = 1;
1703 break;
1704 case 'o':
1705 f_out = fopen(optarg, "w+");
1706 if (!f_out) {
1707 perror("fopen output");
1708 exit(1);
1709 }
1710 f_err = f_out;
1711 break;
1712 case 'm':
f3afa57e 1713 output_format = FIO_OUTPUT_TERSE;
b4692828 1714 break;
f3afa57e 1715 case 'F':
d10983d7
SH
1716 if (!optarg) {
1717 log_err("fio: missing --output-format argument\n");
1718 exit_val = 1;
1719 do_exit++;
1720 break;
1721 }
f3afa57e
JA
1722 if (!strcmp(optarg, "minimal") ||
1723 !strcmp(optarg, "terse") ||
1724 !strcmp(optarg, "csv"))
1725 output_format = FIO_OUTPUT_TERSE;
1726 else if (!strcmp(optarg, "json"))
1727 output_format = FIO_OUTPUT_JSON;
1728 else
1729 output_format = FIO_OUTPUT_NORMAL;
b4692828 1730 break;
2b8c71b0
CE
1731 case 'f':
1732 append_terse_output = 1;
1733 break;
b4692828 1734 case 'h':
7874f8b7 1735 if (!cur_client) {
c2c94585 1736 usage(argv[0]);
7874f8b7
JA
1737 do_exit++;
1738 }
c2c94585 1739 break;
fd28ca49 1740 case 'c':
7874f8b7 1741 if (!cur_client) {
c2c94585 1742 fio_show_option_help(optarg);
7874f8b7
JA
1743 do_exit++;
1744 }
c2c94585 1745 break;
de890a1e
SL
1746 case 'i':
1747 if (!cur_client) {
1748 fio_show_ioengine_help(optarg);
1749 do_exit++;
1750 }
1751 break;
cca73aa7
JA
1752 case 's':
1753 dump_cmdline = 1;
1754 break;
724e4435
JA
1755 case 'r':
1756 read_only = 1;
1757 break;
b4692828 1758 case 'v':
7874f8b7 1759 if (!cur_client) {
3d43382c 1760 log_info("%s\n", fio_version_string);
7874f8b7
JA
1761 do_exit++;
1762 }
c2c94585 1763 break;
f57a9c59
JA
1764 case 'V':
1765 terse_version = atoi(optarg);
09786f5f
JA
1766 if (!(terse_version == 2 || terse_version == 3 ||
1767 terse_version == 4)) {
f57a9c59
JA
1768 log_err("fio: bad terse version format\n");
1769 exit_val = 1;
1770 do_exit++;
1771 }
1772 break;
e592a06b
AC
1773 case 'e':
1774 if (!strcmp("always", optarg))
1775 eta_print = FIO_ETA_ALWAYS;
1776 else if (!strcmp("never", optarg))
1777 eta_print = FIO_ETA_NEVER;
1778 break;
e382e661
JA
1779 case 'E': {
1780 long long t = 0;
1781
0de5b26f 1782 if (str_to_decimal(optarg, &t, 0, NULL, 1)) {
e382e661
JA
1783 log_err("fio: failed parsing eta time %s\n", optarg);
1784 exit_val = 1;
1785 do_exit++;
1786 }
1787 eta_new_line = t;
1788 break;
1789 }
ee56ad50 1790 case 'd':
c09823ab
JA
1791 if (set_debug(optarg))
1792 do_exit++;
ee56ad50 1793 break;
111e032d
JA
1794 case 'P':
1795 parse_only = 1;
1796 break;
ad0a2735
JA
1797 case 'x': {
1798 size_t new_size;
1799
01f06b63 1800 if (!strcmp(optarg, "global")) {
5ec10eaa
JA
1801 log_err("fio: can't use global as only "
1802 "section\n");
c09823ab
JA
1803 do_exit++;
1804 exit_val = 1;
01f06b63
JA
1805 break;
1806 }
ad0a2735
JA
1807 new_size = (nr_job_sections + 1) * sizeof(char *);
1808 job_sections = realloc(job_sections, new_size);
1809 job_sections[nr_job_sections] = strdup(optarg);
1810 nr_job_sections++;
01f06b63 1811 break;
ad0a2735 1812 }
9ac8a797 1813 case 'p':
07b3232d 1814 exec_profile = strdup(optarg);
9ac8a797 1815 break;
b4692828 1816 case FIO_GETOPT_JOB: {
5ec10eaa 1817 const char *opt = l_opts[lidx].name;
b4692828
JA
1818 char *val = optarg;
1819
c2b1e753 1820 if (!strncmp(opt, "name", 4) && td) {
46bcd498 1821 ret = add_job(td, td->o.name ?: "fio", 0, 0, client_type);
66251554 1822 if (ret)
c2b1e753 1823 return 0;
c2b1e753
JA
1824 td = NULL;
1825 }
b4692828 1826 if (!td) {
01f06b63 1827 int is_section = !strncmp(opt, "name", 4);
3106f220
JA
1828 int global = 0;
1829
01f06b63 1830 if (!is_section || !strncmp(val, "global", 6))
3106f220 1831 global = 1;
c2b1e753 1832
01f06b63
JA
1833 if (is_section && skip_this_section(val))
1834 continue;
1835
de890a1e
SL
1836 td = get_new_job(global, &def_thread, 1);
1837 if (!td || ioengine_load(td))
b4692828 1838 return 0;
de890a1e 1839 fio_options_set_ioengine_opts(l_opts, td);
b4692828 1840 }
38d0adb0 1841
9d918187
JA
1842 if ((!val || !strlen(val)) &&
1843 l_opts[lidx].has_arg == required_argument) {
1844 log_err("fio: option %s requires an argument\n", opt);
1845 ret = 1;
1846 } else
1847 ret = fio_cmd_option_parse(td, opt, val);
1848
bfb3ea22
JA
1849 if (ret) {
1850 if (td) {
1851 put_job(td);
1852 td = NULL;
1853 }
a88c8c14 1854 do_exit++;
bfb3ea22 1855 }
de890a1e
SL
1856
1857 if (!ret && !strcmp(opt, "ioengine")) {
1858 free_ioengine(td);
1859 if (ioengine_load(td))
1860 return 0;
1861 fio_options_set_ioengine_opts(l_opts, td);
1862 }
1863 break;
1864 }
1865 case FIO_GETOPT_IOENGINE: {
1866 const char *opt = l_opts[lidx].name;
1867 char *val = optarg;
de890a1e 1868 ret = fio_cmd_ioengine_option_parse(td, opt, val);
b4692828
JA
1869 break;
1870 }
a9523c6f
JA
1871 case 'w':
1872 warnings_fatal = 1;
1873 break;
fca70358
JA
1874 case 'j':
1875 max_jobs = atoi(optarg);
1876 if (!max_jobs || max_jobs > REAL_MAX_JOBS) {
1877 log_err("fio: invalid max jobs: %d\n", max_jobs);
1878 do_exit++;
1879 exit_val = 1;
1880 }
1881 break;
50d16976 1882 case 'S':
a37f69b7 1883 if (nr_clients) {
132159a5
JA
1884 log_err("fio: can't be both client and server\n");
1885 do_exit++;
1886 exit_val = 1;
1887 break;
1888 }
87aa8f19 1889 if (optarg)
bebe6398 1890 fio_server_set_arg(optarg);
50d16976 1891 is_backend = 1;
81179eec 1892 backend = 1;
50d16976 1893 break;
e46d8091 1894 case 'D':
402668f3 1895 pid_file = strdup(optarg);
e46d8091 1896 break;
f2a2ce0e
HL
1897 case 'I':
1898 if ((ret = fio_idle_prof_parse_opt(optarg))) {
1899 /* exit on error and calibration only */
1900 do_exit++;
1901 if (ret == -1)
1902 exit_val = 1;
1903 }
1904 break;
132159a5
JA
1905 case 'C':
1906 if (is_backend) {
1907 log_err("fio: can't be both client and server\n");
1908 do_exit++;
1909 exit_val = 1;
1910 break;
1911 }
a5276616 1912 if (fio_client_add(&fio_client_ops, optarg, &cur_client)) {
bebe6398
JA
1913 log_err("fio: failed adding client %s\n", optarg);
1914 do_exit++;
1915 exit_val = 1;
1916 break;
1917 }
14ea90ed
JA
1918 /*
1919 * If the next argument exists and isn't an option,
1920 * assume it's a job file for this client only.
1921 */
1922 while (optind < argc) {
1923 if (!strncmp(argv[optind], "--", 2) ||
1924 !strncmp(argv[optind], "-", 1))
1925 break;
1926
1927 fio_client_add_ini_file(cur_client, argv[optind]);
1928 optind++;
1929 }
132159a5 1930 break;
7d11f871
JA
1931 case 'T':
1932 do_exit++;
1933 exit_val = fio_monotonic_clocktest();
1934 break;
fec0f21c
JA
1935 case 'G':
1936 do_exit++;
1937 exit_val = fio_crctest(optarg);
1938 break;
06464907
JA
1939 case 'L': {
1940 long long val;
1941
7cd0ec5d 1942 if (check_str_time(optarg, &val, 0)) {
06464907
JA
1943 log_err("fio: failed parsing time %s\n", optarg);
1944 do_exit++;
1945 exit_val = 1;
1946 break;
1947 }
1948 status_interval = val * 1000;
1949 break;
1950 }
798827c8
JA
1951 case '?':
1952 log_err("%s: unrecognized option '%s'\n", argv[0],
1953 argv[optind - 1]);
b4692828 1954 default:
c09823ab
JA
1955 do_exit++;
1956 exit_val = 1;
b4692828 1957 break;
ebac4655 1958 }
c7d5c941
JA
1959 if (do_exit)
1960 break;
ebac4655 1961 }
c9fad893 1962
0b14f0a8
JA
1963 if (do_exit && !(is_backend || nr_clients))
1964 exit(exit_val);
536582bf 1965
a37f69b7 1966 if (nr_clients && fio_clients_connect()) {
132159a5
JA
1967 do_exit++;
1968 exit_val = 1;
cdf54d85 1969 return -1;
132159a5
JA
1970 }
1971
81179eec 1972 if (is_backend && backend)
402668f3 1973 return fio_start_server(pid_file);
50d16976 1974
b4692828 1975 if (td) {
7d6a8904 1976 if (!ret)
46bcd498 1977 ret = add_job(td, td->o.name ?: "fio", 0, 0, client_type);
972cfd25 1978 }
774a6177 1979
7874f8b7 1980 while (!ret && optind < argc) {
b4692828
JA
1981 ini_idx++;
1982 ini_file = realloc(ini_file, ini_idx * sizeof(char *));
1983 ini_file[ini_idx - 1] = strdup(argv[optind]);
1984 optind++;
eb8bbf48 1985 }
972cfd25
JA
1986
1987 return ini_idx;
ebac4655
JA
1988}
1989
0420ba6a 1990int fio_init_options(void)
ebac4655 1991{
b4692828
JA
1992 f_out = stdout;
1993 f_err = stderr;
1994
4c6107ff 1995 fio_options_fill_optstring();
5ec10eaa 1996 fio_options_dup_and_init(l_opts);
b4692828 1997
9d9eb2e7
JA
1998 atexit(free_shm);
1999
ebac4655
JA
2000 if (fill_def_thread())
2001 return 1;
2002
0420ba6a
JA
2003 return 0;
2004}
2005
51167799
JA
2006extern int fio_check_options(struct thread_options *);
2007
0420ba6a
JA
2008int parse_options(int argc, char *argv[])
2009{
46bcd498 2010 const int type = FIO_CLIENT_TYPE_CLI;
0420ba6a
JA
2011 int job_files, i;
2012
2013 if (fio_init_options())
2014 return 1;
51167799
JA
2015 if (fio_test_cconv(&def_thread.o))
2016 log_err("fio: failed internal cconv test\n");
0420ba6a 2017
46bcd498 2018 job_files = parse_cmd_line(argc, argv, type);
ebac4655 2019
cdf54d85
JA
2020 if (job_files > 0) {
2021 for (i = 0; i < job_files; i++) {
2022 if (fill_def_thread())
132159a5 2023 return 1;
cdf54d85
JA
2024 if (nr_clients) {
2025 if (fio_clients_send_ini(ini_file[i]))
2026 return 1;
2027 free(ini_file[i]);
2028 } else if (!is_backend) {
46bcd498 2029 if (parse_jobs_ini(ini_file[i], 0, i, type))
cdf54d85
JA
2030 return 1;
2031 free(ini_file[i]);
2032 }
132159a5 2033 }
14ea90ed
JA
2034 } else if (nr_clients) {
2035 if (fill_def_thread())
2036 return 1;
2037 if (fio_clients_send_ini(NULL))
2038 return 1;
972cfd25 2039 }
ebac4655 2040
88c6ed80 2041 free(ini_file);
7e356b2d 2042 fio_options_free(&def_thread);
bcbfeefa 2043 filesetup_mem_free();
b4692828
JA
2044
2045 if (!thread_number) {
f9633d72 2046 if (parse_dryrun())
cca73aa7 2047 return 0;
07b3232d
JA
2048 if (exec_profile)
2049 return 0;
a37f69b7 2050 if (is_backend || nr_clients)
5c341e9a 2051 return 0;
085399db
JA
2052 if (did_arg)
2053 return 0;
cca73aa7 2054
d65e11c6 2055 log_err("No jobs(s) defined\n\n");
085399db
JA
2056
2057 if (!did_arg) {
2058 usage(argv[0]);
2059 return 1;
2060 }
2061
2062 return 0;
b4692828
JA
2063 }
2064
be4ecfdf
JA
2065 if (def_thread.o.gtod_offload) {
2066 fio_gtod_init();
2067 fio_gtod_offload = 1;
2068 fio_gtod_cpu = def_thread.o.gtod_cpu;
2069 }
2070
f3afa57e 2071 if (output_format == FIO_OUTPUT_NORMAL)
3d43382c 2072 log_info("%s\n", fio_version_string);
f6dea4d3 2073
ebac4655
JA
2074 return 0;
2075}
588b7f09
JA
2076
2077void options_default_fill(struct thread_options *o)
2078{
2079 memcpy(o, &def_thread.o, sizeof(*o));
2080}