First snapshot of FIO for Windows
[fio.git] / options.c
CommitLineData
214e1eca
JA
1#include <stdio.h>
2#include <stdlib.h>
3#include <unistd.h>
4#include <ctype.h>
5#include <string.h>
214e1eca 6#include <assert.h>
921c766f 7#include <libgen.h>
5921e80c
JA
8#include <fcntl.h>
9#include <sys/types.h>
10#include <sys/stat.h>
214e1eca
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11
12#include "fio.h"
4f5af7b2 13#include "verify.h"
214e1eca 14#include "parse.h"
eef32359 15#include "lib/fls.h"
9f988e2e 16#include "options.h"
214e1eca 17
5d7c5d34
JA
18#include "crc/crc32c.h"
19
214e1eca
JA
20/*
21 * Check if mmap/mmaphuge has a :/foo/bar/file at the end. If so, return that.
22 */
23static char *get_opt_postfix(const char *str)
24{
25 char *p = strstr(str, ":");
26
27 if (!p)
28 return NULL;
29
30 p++;
31 strip_blank_front(&p);
32 strip_blank_end(p);
33 return strdup(p);
34}
35
0e92f873
RR
36static int converthexchartoint(char a)
37{
38 int base;
39
40 switch(a) {
41 case '0'...'9':
42 base = '0';
43 break;
44 case 'A'...'F':
45 base = 'A' - 10;
46 break;
47 case 'a'...'f':
48 base = 'a' - 10;
49 break;
50 default:
51 base = 0;
52 }
53 return (a - base);
54}
55
564ca972
JA
56static int bs_cmp(const void *p1, const void *p2)
57{
58 const struct bssplit *bsp1 = p1;
59 const struct bssplit *bsp2 = p2;
60
61 return bsp1->perc < bsp2->perc;
62}
63
720e84ad 64static int bssplit_ddir(struct thread_data *td, int ddir, char *str)
564ca972 65{
720e84ad 66 struct bssplit *bssplit;
564ca972
JA
67 unsigned int i, perc, perc_missing;
68 unsigned int max_bs, min_bs;
69 long long val;
720e84ad 70 char *fname;
564ca972 71
720e84ad
JA
72 td->o.bssplit_nr[ddir] = 4;
73 bssplit = malloc(4 * sizeof(struct bssplit));
564ca972
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74
75 i = 0;
76 max_bs = 0;
77 min_bs = -1;
78 while ((fname = strsep(&str, ":")) != NULL) {
79 char *perc_str;
80
81 if (!strlen(fname))
82 break;
83
84 /*
85 * grow struct buffer, if needed
86 */
720e84ad
JA
87 if (i == td->o.bssplit_nr[ddir]) {
88 td->o.bssplit_nr[ddir] <<= 1;
89 bssplit = realloc(bssplit, td->o.bssplit_nr[ddir]
5ec10eaa 90 * sizeof(struct bssplit));
564ca972
JA
91 }
92
93 perc_str = strstr(fname, "/");
94 if (perc_str) {
95 *perc_str = '\0';
96 perc_str++;
97 perc = atoi(perc_str);
98 if (perc > 100)
99 perc = 100;
100 else if (!perc)
101 perc = -1;
102 } else
103 perc = -1;
104
df9cf928 105 if (str_to_decimal(fname, &val, 1, td)) {
564ca972
JA
106 log_err("fio: bssplit conversion failed\n");
107 free(td->o.bssplit);
108 return 1;
109 }
110
111 if (val > max_bs)
112 max_bs = val;
113 if (val < min_bs)
114 min_bs = val;
115
720e84ad
JA
116 bssplit[i].bs = val;
117 bssplit[i].perc = perc;
564ca972
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118 i++;
119 }
120
720e84ad 121 td->o.bssplit_nr[ddir] = i;
564ca972
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122
123 /*
124 * Now check if the percentages add up, and how much is missing
125 */
126 perc = perc_missing = 0;
720e84ad
JA
127 for (i = 0; i < td->o.bssplit_nr[ddir]; i++) {
128 struct bssplit *bsp = &bssplit[i];
564ca972
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129
130 if (bsp->perc == (unsigned char) -1)
131 perc_missing++;
132 else
133 perc += bsp->perc;
134 }
135
136 if (perc > 100) {
137 log_err("fio: bssplit percentages add to more than 100%%\n");
720e84ad 138 free(bssplit);
564ca972
JA
139 return 1;
140 }
141 /*
142 * If values didn't have a percentage set, divide the remains between
143 * them.
144 */
145 if (perc_missing) {
720e84ad
JA
146 for (i = 0; i < td->o.bssplit_nr[ddir]; i++) {
147 struct bssplit *bsp = &bssplit[i];
564ca972
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148
149 if (bsp->perc == (unsigned char) -1)
150 bsp->perc = (100 - perc) / perc_missing;
151 }
152 }
153
720e84ad
JA
154 td->o.min_bs[ddir] = min_bs;
155 td->o.max_bs[ddir] = max_bs;
564ca972
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156
157 /*
158 * now sort based on percentages, for ease of lookup
159 */
720e84ad
JA
160 qsort(bssplit, td->o.bssplit_nr[ddir], sizeof(struct bssplit), bs_cmp);
161 td->o.bssplit[ddir] = bssplit;
162 return 0;
163
164}
165
166static int str_bssplit_cb(void *data, const char *input)
167{
168 struct thread_data *td = data;
169 char *str, *p, *odir;
170 int ret = 0;
171
172 p = str = strdup(input);
173
174 strip_blank_front(&str);
175 strip_blank_end(str);
176
177 odir = strchr(str, ',');
178 if (odir) {
179 ret = bssplit_ddir(td, DDIR_WRITE, odir + 1);
180 if (!ret) {
181 *odir = '\0';
182 ret = bssplit_ddir(td, DDIR_READ, str);
183 }
184 } else {
185 char *op;
186
187 op = strdup(str);
188
189 ret = bssplit_ddir(td, DDIR_READ, str);
190 if (!ret)
191 ret = bssplit_ddir(td, DDIR_WRITE, op);
192
193 free(op);
194 }
564ca972
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195
196 free(p);
720e84ad 197 return ret;
564ca972
JA
198}
199
211097b2
JA
200static int str_rw_cb(void *data, const char *str)
201{
202 struct thread_data *td = data;
203 char *nr = get_opt_postfix(str);
204
5736c10d 205 td->o.ddir_seq_nr = 1;
182ec6ee 206 if (nr) {
5736c10d 207 td->o.ddir_seq_nr = atoi(nr);
182ec6ee
JA
208 free(nr);
209 }
211097b2 210
211097b2
JA
211 return 0;
212}
213
214e1eca
JA
214static int str_mem_cb(void *data, const char *mem)
215{
216 struct thread_data *td = data;
217
2dc1bbeb 218 if (td->o.mem_type == MEM_MMAPHUGE || td->o.mem_type == MEM_MMAP) {
214e1eca 219 td->mmapfile = get_opt_postfix(mem);
2dc1bbeb 220 if (td->o.mem_type == MEM_MMAPHUGE && !td->mmapfile) {
214e1eca
JA
221 log_err("fio: mmaphuge:/path/to/file\n");
222 return 1;
223 }
224 }
225
226 return 0;
227}
228
5d7c5d34
JA
229static int str_verify_cb(void *data, const char *mem)
230{
231 struct thread_data *td = data;
232
233 if (td->o.verify != VERIFY_CRC32C_INTEL)
234 return 0;
235
236 if (!crc32c_intel_works()) {
237 log_info("fio: System does not support hw accelerated crc32c. Falling back to sw crc32c.\n");
238 td->o.verify = VERIFY_CRC32C;
239 }
240
241 return 0;
242}
243
c223da83
JA
244static int fio_clock_source_cb(void *data, const char *str)
245{
246 struct thread_data *td = data;
247
248 fio_clock_source = td->o.clocksource;
249 fio_time_init();
250 return 0;
251}
252
85bc833b 253static int str_lockmem_cb(void fio_unused *data, unsigned long long *val)
214e1eca
JA
254{
255 mlock_size = *val;
256 return 0;
257}
258
85bc833b 259static int str_rwmix_read_cb(void *data, unsigned long long *val)
cb499fc4
JA
260{
261 struct thread_data *td = data;
262
263 td->o.rwmix[DDIR_READ] = *val;
264 td->o.rwmix[DDIR_WRITE] = 100 - *val;
265 return 0;
266}
267
85bc833b 268static int str_rwmix_write_cb(void *data, unsigned long long *val)
cb499fc4
JA
269{
270 struct thread_data *td = data;
271
272 td->o.rwmix[DDIR_WRITE] = *val;
273 td->o.rwmix[DDIR_READ] = 100 - *val;
274 return 0;
275}
276
214e1eca 277#ifdef FIO_HAVE_IOPRIO
85bc833b 278static int str_prioclass_cb(void *data, unsigned long long *val)
214e1eca
JA
279{
280 struct thread_data *td = data;
6cefbe33
JA
281 unsigned short mask;
282
283 /*
284 * mask off old class bits, str_prio_cb() may have set a default class
285 */
286 mask = (1 << IOPRIO_CLASS_SHIFT) - 1;
287 td->ioprio &= mask;
214e1eca
JA
288
289 td->ioprio |= *val << IOPRIO_CLASS_SHIFT;
ac684785 290 td->ioprio_set = 1;
214e1eca
JA
291 return 0;
292}
293
85bc833b 294static int str_prio_cb(void *data, unsigned long long *val)
214e1eca
JA
295{
296 struct thread_data *td = data;
297
298 td->ioprio |= *val;
6cefbe33
JA
299
300 /*
301 * If no class is set, assume BE
302 */
303 if ((td->ioprio >> IOPRIO_CLASS_SHIFT) == 0)
304 td->ioprio |= IOPRIO_CLASS_BE << IOPRIO_CLASS_SHIFT;
305
ac684785 306 td->ioprio_set = 1;
214e1eca
JA
307 return 0;
308}
309#endif
310
311static int str_exitall_cb(void)
312{
313 exitall_on_terminate = 1;
314 return 0;
315}
316
214e1eca 317#ifdef FIO_HAVE_CPU_AFFINITY
85bc833b 318static int str_cpumask_cb(void *data, unsigned long long *val)
d2e268b0
JA
319{
320 struct thread_data *td = data;
214e1eca 321 unsigned int i;
b03daafb 322 long max_cpu;
d2ce18b5
JA
323 int ret;
324
325 ret = fio_cpuset_init(&td->o.cpumask);
326 if (ret < 0) {
327 log_err("fio: cpuset_init failed\n");
328 td_verror(td, ret, "fio_cpuset_init");
329 return 1;
330 }
214e1eca 331
b03daafb 332 max_cpu = sysconf(_SC_NPROCESSORS_ONLN);
214e1eca 333
62a7273d
JA
334 for (i = 0; i < sizeof(int) * 8; i++) {
335 if ((1 << i) & *val) {
b03daafb
JA
336 if (i > max_cpu) {
337 log_err("fio: CPU %d too large (max=%ld)\n", i,
338 max_cpu);
339 return 1;
340 }
62a7273d 341 dprint(FD_PARSE, "set cpu allowed %d\n", i);
6d459ee7 342 fio_cpu_set(&td->o.cpumask, i);
62a7273d
JA
343 }
344 }
d2e268b0
JA
345
346 td->o.cpumask_set = 1;
347 return 0;
214e1eca
JA
348}
349
e8462bd8
JA
350static int set_cpus_allowed(struct thread_data *td, os_cpu_mask_t *mask,
351 const char *input)
214e1eca 352{
d2e268b0 353 char *cpu, *str, *p;
b03daafb 354 long max_cpu;
19608d6c 355 int ret = 0;
d2e268b0 356
e8462bd8 357 ret = fio_cpuset_init(mask);
d2ce18b5
JA
358 if (ret < 0) {
359 log_err("fio: cpuset_init failed\n");
360 td_verror(td, ret, "fio_cpuset_init");
361 return 1;
362 }
d2e268b0
JA
363
364 p = str = strdup(input);
214e1eca 365
d2e268b0
JA
366 strip_blank_front(&str);
367 strip_blank_end(str);
368
b03daafb
JA
369 max_cpu = sysconf(_SC_NPROCESSORS_ONLN);
370
d2e268b0 371 while ((cpu = strsep(&str, ",")) != NULL) {
62a7273d
JA
372 char *str2, *cpu2;
373 int icpu, icpu2;
374
d2e268b0
JA
375 if (!strlen(cpu))
376 break;
62a7273d
JA
377
378 str2 = cpu;
379 icpu2 = -1;
380 while ((cpu2 = strsep(&str2, "-")) != NULL) {
381 if (!strlen(cpu2))
382 break;
383
384 icpu2 = atoi(cpu2);
385 }
386
387 icpu = atoi(cpu);
388 if (icpu2 == -1)
389 icpu2 = icpu;
390 while (icpu <= icpu2) {
6d459ee7 391 if (icpu >= FIO_MAX_CPUS) {
19608d6c 392 log_err("fio: your OS only supports up to"
6d459ee7 393 " %d CPUs\n", (int) FIO_MAX_CPUS);
19608d6c
JA
394 ret = 1;
395 break;
396 }
b03daafb
JA
397 if (icpu > max_cpu) {
398 log_err("fio: CPU %d too large (max=%ld)\n",
399 icpu, max_cpu);
400 ret = 1;
401 break;
402 }
0b9d69ec 403
62a7273d 404 dprint(FD_PARSE, "set cpu allowed %d\n", icpu);
e8462bd8 405 fio_cpu_set(mask, icpu);
62a7273d
JA
406 icpu++;
407 }
19608d6c
JA
408 if (ret)
409 break;
d2e268b0
JA
410 }
411
412 free(p);
19608d6c
JA
413 if (!ret)
414 td->o.cpumask_set = 1;
415 return ret;
214e1eca 416}
e8462bd8
JA
417
418static int str_cpus_allowed_cb(void *data, const char *input)
419{
420 struct thread_data *td = data;
421 int ret;
422
423 ret = set_cpus_allowed(td, &td->o.cpumask, input);
424 if (!ret)
425 td->o.cpumask_set = 1;
426
427 return ret;
428}
429
430static int str_verify_cpus_allowed_cb(void *data, const char *input)
431{
432 struct thread_data *td = data;
433 int ret;
434
435 ret = set_cpus_allowed(td, &td->o.verify_cpumask, input);
436 if (!ret)
437 td->o.verify_cpumask_set = 1;
438
439 return ret;
440}
d2e268b0 441#endif
214e1eca 442
0d29de83
JA
443#ifdef FIO_HAVE_TRIM
444static int str_verify_trim_cb(void *data, unsigned long long *val)
445{
446 struct thread_data *td = data;
447
448 td->o.trim_percentage = *val;
449 return 0;
450}
451#endif
452
214e1eca
JA
453static int str_fst_cb(void *data, const char *str)
454{
455 struct thread_data *td = data;
456 char *nr = get_opt_postfix(str);
457
458 td->file_service_nr = 1;
182ec6ee 459 if (nr) {
214e1eca 460 td->file_service_nr = atoi(nr);
182ec6ee
JA
461 free(nr);
462 }
214e1eca
JA
463
464 return 0;
465}
466
3ae06371 467#ifdef FIO_HAVE_SYNC_FILE_RANGE
44f29692
JA
468static int str_sfr_cb(void *data, const char *str)
469{
470 struct thread_data *td = data;
471 char *nr = get_opt_postfix(str);
472
473 td->sync_file_range_nr = 1;
474 if (nr) {
475 td->sync_file_range_nr = atoi(nr);
476 free(nr);
477 }
478
479 return 0;
480}
3ae06371 481#endif
44f29692 482
921c766f
JA
483static int check_dir(struct thread_data *td, char *fname)
484{
485 char file[PATH_MAX], *dir;
bc838919 486 int elen = 0;
921c766f 487
bc838919
JA
488 if (td->o.directory) {
489 strcpy(file, td->o.directory);
fcef0b35 490 strcat(file, "/");
bc838919
JA
491 elen = strlen(file);
492 }
493
fcef0b35 494 sprintf(file + elen, "%s", fname);
921c766f
JA
495 dir = dirname(file);
496
fcef0b35
JA
497#if 0
498 {
499 struct stat sb;
500 /*
501 * We can't do this on FIO_DISKLESSIO engines. The engine isn't loaded
502 * yet, so we can't do this check right here...
503 */
921c766f
JA
504 if (lstat(dir, &sb) < 0) {
505 int ret = errno;
506
507 log_err("fio: %s is not a directory\n", dir);
508 td_verror(td, ret, "lstat");
509 return 1;
510 }
511
512 if (!S_ISDIR(sb.st_mode)) {
513 log_err("fio: %s is not a directory\n", dir);
514 return 1;
515 }
fcef0b35
JA
516 }
517#endif
921c766f
JA
518
519 return 0;
520}
521
8e827d35
JA
522/*
523 * Return next file in the string. Files are separated with ':'. If the ':'
524 * is escaped with a '\', then that ':' is part of the filename and does not
525 * indicate a new file.
526 */
527static char *get_next_file_name(char **ptr)
528{
529 char *str = *ptr;
530 char *p, *start;
531
532 if (!str || !strlen(str))
533 return NULL;
534
535 start = str;
536 do {
537 /*
538 * No colon, we are done
539 */
540 p = strchr(str, ':');
541 if (!p) {
542 *ptr = NULL;
543 break;
544 }
545
546 /*
547 * We got a colon, but it's the first character. Skip and
548 * continue
549 */
550 if (p == start) {
551 str = ++start;
552 continue;
553 }
554
555 if (*(p - 1) != '\\') {
556 *p = '\0';
557 *ptr = p + 1;
558 break;
559 }
560
561 memmove(p - 1, p, strlen(p) + 1);
562 str = p;
563 } while (1);
564
565 return start;
566}
567
214e1eca
JA
568static int str_filename_cb(void *data, const char *input)
569{
570 struct thread_data *td = data;
571 char *fname, *str, *p;
572
573 p = str = strdup(input);
574
575 strip_blank_front(&str);
576 strip_blank_end(str);
577
578 if (!td->files_index)
2dc1bbeb 579 td->o.nr_files = 0;
214e1eca 580
8e827d35 581 while ((fname = get_next_file_name(&str)) != NULL) {
214e1eca
JA
582 if (!strlen(fname))
583 break;
921c766f
JA
584 if (check_dir(td, fname)) {
585 free(p);
586 return 1;
587 }
214e1eca 588 add_file(td, fname);
2dc1bbeb 589 td->o.nr_files++;
214e1eca
JA
590 }
591
592 free(p);
593 return 0;
594}
595
596static int str_directory_cb(void *data, const char fio_unused *str)
597{
598 struct thread_data *td = data;
599 struct stat sb;
600
2dc1bbeb 601 if (lstat(td->o.directory, &sb) < 0) {
921c766f
JA
602 int ret = errno;
603
2dc1bbeb 604 log_err("fio: %s is not a directory\n", td->o.directory);
921c766f 605 td_verror(td, ret, "lstat");
214e1eca
JA
606 return 1;
607 }
608 if (!S_ISDIR(sb.st_mode)) {
2dc1bbeb 609 log_err("fio: %s is not a directory\n", td->o.directory);
214e1eca
JA
610 return 1;
611 }
612
613 return 0;
614}
615
616static int str_opendir_cb(void *data, const char fio_unused *str)
617{
618 struct thread_data *td = data;
619
620 if (!td->files_index)
2dc1bbeb 621 td->o.nr_files = 0;
214e1eca 622
2dc1bbeb 623 return add_dir_files(td, td->o.opendir);
214e1eca
JA
624}
625
85bc833b 626static int str_verify_offset_cb(void *data, unsigned long long *off)
546a9142
SL
627{
628 struct thread_data *td = data;
a59e170d 629
546a9142 630 if (*off && *off < sizeof(struct verify_header)) {
a59e170d 631 log_err("fio: verify_offset too small\n");
546a9142
SL
632 return 1;
633 }
a59e170d
JA
634
635 td->o.verify_offset = *off;
546a9142
SL
636 return 0;
637}
638
0e92f873 639static int str_verify_pattern_cb(void *data, const char *input)
90059d65
JA
640{
641 struct thread_data *td = data;
0e92f873
RR
642 long off;
643 int i = 0, j = 0, len, k, base = 10;
644 char* loc1, * loc2;
645
646 loc1 = strstr(input, "0x");
647 loc2 = strstr(input, "0X");
648 if (loc1 || loc2)
649 base = 16;
650 off = strtol(input, NULL, base);
651 if (off != LONG_MAX || errno != ERANGE) {
652 while (off) {
653 td->o.verify_pattern[i] = off & 0xff;
654 off >>= 8;
655 i++;
656 }
657 } else {
658 len = strlen(input);
659 k = len - 1;
660 if (base == 16) {
661 if (loc1)
662 j = loc1 - input + 2;
663 else
664 j = loc2 - input + 2;
665 } else
666 return 1;
667 if (len - j < MAX_PATTERN_SIZE * 2) {
668 while (k >= j) {
669 off = converthexchartoint(input[k--]);
670 if (k >= j)
671 off += (converthexchartoint(input[k--])
672 * 16);
673 td->o.verify_pattern[i++] = (char) off;
674 }
675 }
676 }
677 td->o.verify_pattern_bytes = i;
90059d65
JA
678 return 0;
679}
214e1eca 680
4d4e80f2
JA
681static int str_lockfile_cb(void *data, const char *str)
682{
683 struct thread_data *td = data;
684 char *nr = get_opt_postfix(str);
685
686 td->o.lockfile_batch = 1;
182ec6ee 687 if (nr) {
4d4e80f2 688 td->o.lockfile_batch = atoi(nr);
182ec6ee
JA
689 free(nr);
690 }
4d4e80f2
JA
691
692 return 0;
693}
694
e3cedca7
JA
695static int str_write_bw_log_cb(void *data, const char *str)
696{
697 struct thread_data *td = data;
698
699 if (str)
700 td->o.bw_log_file = strdup(str);
701
702 td->o.write_bw_log = 1;
703 return 0;
704}
705
706static int str_write_lat_log_cb(void *data, const char *str)
707{
708 struct thread_data *td = data;
709
710 if (str)
711 td->o.lat_log_file = strdup(str);
712
713 td->o.write_lat_log = 1;
714 return 0;
715}
716
993bf48b
JA
717static int str_gtod_reduce_cb(void *data, int *il)
718{
719 struct thread_data *td = data;
720 int val = *il;
721
02af0988 722 td->o.disable_lat = !!val;
993bf48b
JA
723 td->o.disable_clat = !!val;
724 td->o.disable_slat = !!val;
725 td->o.disable_bw = !!val;
726 if (val)
727 td->tv_cache_mask = 63;
728
729 return 0;
730}
731
85bc833b 732static int str_gtod_cpu_cb(void *data, long long *il)
be4ecfdf
JA
733{
734 struct thread_data *td = data;
735 int val = *il;
736
737 td->o.gtod_cpu = val;
738 td->o.gtod_offload = 1;
739 return 0;
740}
741
896cac2a
JA
742static int rw_verify(struct fio_option *o, void *data)
743{
744 struct thread_data *td = data;
745
746 if (read_only && td_write(td)) {
747 log_err("fio: job <%s> has write bit set, but fio is in"
748 " read-only mode\n", td->o.name);
749 return 1;
750 }
751
752 return 0;
753}
754
276ca4f7 755static int gtod_cpu_verify(struct fio_option *o, void *data)
29d43ff9 756{
276ca4f7 757#ifndef FIO_HAVE_CPU_AFFINITY
29d43ff9
JA
758 struct thread_data *td = data;
759
29d43ff9
JA
760 if (td->o.gtod_cpu) {
761 log_err("fio: platform must support CPU affinity for"
762 "gettimeofday() offloading\n");
763 return 1;
764 }
765#endif
766
767 return 0;
768}
769
90fef2d1
JA
770static int kb_base_verify(struct fio_option *o, void *data)
771{
772 struct thread_data *td = data;
773
774 if (td->o.kb_base != 1024 && td->o.kb_base != 1000) {
775 log_err("fio: kb_base set to nonsensical value: %u\n",
776 td->o.kb_base);
777 return 1;
778 }
779
780 return 0;
781}
782
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783#define __stringify_1(x) #x
784#define __stringify(x) __stringify_1(x)
785
786/*
787 * Map of job/command line options
788 */
07b3232d 789static struct fio_option options[FIO_MAX_OPTS] = {
214e1eca
JA
790 {
791 .name = "description",
792 .type = FIO_OPT_STR_STORE,
793 .off1 = td_var_offset(description),
794 .help = "Text job description",
795 },
796 {
797 .name = "name",
798 .type = FIO_OPT_STR_STORE,
799 .off1 = td_var_offset(name),
800 .help = "Name of this job",
801 },
802 {
803 .name = "directory",
804 .type = FIO_OPT_STR_STORE,
805 .off1 = td_var_offset(directory),
806 .cb = str_directory_cb,
807 .help = "Directory to store files in",
808 },
809 {
810 .name = "filename",
811 .type = FIO_OPT_STR_STORE,
812 .off1 = td_var_offset(filename),
813 .cb = str_filename_cb,
f0d524b0 814 .prio = -1, /* must come after "directory" */
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JA
815 .help = "File(s) to use for the workload",
816 },
90fef2d1
JA
817 {
818 .name = "kb_base",
819 .type = FIO_OPT_INT,
820 .off1 = td_var_offset(kb_base),
90fef2d1 821 .verify = kb_base_verify,
a639f0bb 822 .prio = 1,
90fef2d1 823 .def = "1024",
a639f0bb 824 .help = "How many bytes per KB for reporting (1000 or 1024)",
90fef2d1 825 },
29c1349f
JA
826 {
827 .name = "lockfile",
4d4e80f2
JA
828 .type = FIO_OPT_STR,
829 .cb = str_lockfile_cb,
830 .off1 = td_var_offset(file_lock_mode),
29c1349f
JA
831 .help = "Lock file when doing IO to it",
832 .parent = "filename",
4d4e80f2
JA
833 .def = "none",
834 .posval = {
835 { .ival = "none",
836 .oval = FILE_LOCK_NONE,
837 .help = "No file locking",
838 },
839 { .ival = "exclusive",
840 .oval = FILE_LOCK_EXCLUSIVE,
841 .help = "Exclusive file lock",
842 },
843 {
844 .ival = "readwrite",
845 .oval = FILE_LOCK_READWRITE,
846 .help = "Read vs write lock",
847 },
848 },
29c1349f 849 },
214e1eca
JA
850 {
851 .name = "opendir",
852 .type = FIO_OPT_STR_STORE,
853 .off1 = td_var_offset(opendir),
854 .cb = str_opendir_cb,
855 .help = "Recursively add files from this directory and down",
856 },
857 {
858 .name = "rw",
d3aad8f2 859 .alias = "readwrite",
214e1eca 860 .type = FIO_OPT_STR,
211097b2 861 .cb = str_rw_cb,
214e1eca
JA
862 .off1 = td_var_offset(td_ddir),
863 .help = "IO direction",
864 .def = "read",
896cac2a 865 .verify = rw_verify,
214e1eca
JA
866 .posval = {
867 { .ival = "read",
868 .oval = TD_DDIR_READ,
869 .help = "Sequential read",
870 },
871 { .ival = "write",
872 .oval = TD_DDIR_WRITE,
873 .help = "Sequential write",
874 },
875 { .ival = "randread",
876 .oval = TD_DDIR_RANDREAD,
877 .help = "Random read",
878 },
879 { .ival = "randwrite",
880 .oval = TD_DDIR_RANDWRITE,
881 .help = "Random write",
882 },
883 { .ival = "rw",
884 .oval = TD_DDIR_RW,
885 .help = "Sequential read and write mix",
886 },
887 { .ival = "randrw",
888 .oval = TD_DDIR_RANDRW,
889 .help = "Random read and write mix"
890 },
891 },
892 },
38dad62d
JA
893 {
894 .name = "rw_sequencer",
895 .type = FIO_OPT_STR,
896 .off1 = td_var_offset(rw_seq),
897 .help = "IO offset generator modifier",
898 .def = "sequential",
899 .posval = {
900 { .ival = "sequential",
901 .oval = RW_SEQ_SEQ,
902 .help = "Generate sequential offsets",
903 },
904 { .ival = "identical",
905 .oval = RW_SEQ_IDENT,
906 .help = "Generate identical offsets",
907 },
908 },
909 },
910
214e1eca
JA
911 {
912 .name = "ioengine",
913 .type = FIO_OPT_STR_STORE,
914 .off1 = td_var_offset(ioengine),
915 .help = "IO engine to use",
916 .def = "sync",
917 .posval = {
918 { .ival = "sync",
919 .help = "Use read/write",
920 },
a31041ea 921 { .ival = "psync",
922 .help = "Use pread/pwrite",
923 },
1d2af02a 924 { .ival = "vsync",
03e20d68 925 .help = "Use readv/writev",
1d2af02a 926 },
214e1eca
JA
927#ifdef FIO_HAVE_LIBAIO
928 { .ival = "libaio",
929 .help = "Linux native asynchronous IO",
930 },
931#endif
932#ifdef FIO_HAVE_POSIXAIO
933 { .ival = "posixaio",
934 .help = "POSIX asynchronous IO",
935 },
417f0068
JA
936#endif
937#ifdef FIO_HAVE_SOLARISAIO
938 { .ival = "solarisaio",
939 .help = "Solaris native asynchronous IO",
940 },
214e1eca 941#endif
03e20d68
BC
942#ifdef FIO_HAVE_WINDOWSAIO
943 { .ival = "windowsaio",
944 .help = "Windows native asynchronous IO"
945 },
214e1eca 946 { .ival = "mmap",
03e20d68 947 .help = "Memory mapped IO"
214e1eca 948 },
03e20d68 949#endif
214e1eca
JA
950#ifdef FIO_HAVE_SPLICE
951 { .ival = "splice",
952 .help = "splice/vmsplice based IO",
953 },
9cce02e8
JA
954 { .ival = "netsplice",
955 .help = "splice/vmsplice to/from the network",
956 },
214e1eca
JA
957#endif
958#ifdef FIO_HAVE_SGIO
959 { .ival = "sg",
960 .help = "SCSI generic v3 IO",
961 },
962#endif
963 { .ival = "null",
964 .help = "Testing engine (no data transfer)",
965 },
966 { .ival = "net",
967 .help = "Network IO",
968 },
969#ifdef FIO_HAVE_SYSLET
970 { .ival = "syslet-rw",
971 .help = "syslet enabled async pread/pwrite IO",
972 },
973#endif
974 { .ival = "cpuio",
03e20d68 975 .help = "CPU cycle burner engine",
214e1eca 976 },
b8c82a46
JA
977#ifdef FIO_HAVE_GUASI
978 { .ival = "guasi",
979 .help = "GUASI IO engine",
980 },
79a43187
JA
981#endif
982#ifdef FIO_HAVE_BINJECT
983 { .ival = "binject",
984 .help = "binject direct inject block engine",
985 },
b8c82a46 986#endif
214e1eca
JA
987 { .ival = "external",
988 .help = "Load external engine (append name)",
989 },
990 },
991 },
992 {
993 .name = "iodepth",
994 .type = FIO_OPT_INT,
995 .off1 = td_var_offset(iodepth),
03e20d68 996 .help = "Number of IO buffers to keep in flight",
757aff4f 997 .minval = 1,
214e1eca
JA
998 .def = "1",
999 },
1000 {
1001 .name = "iodepth_batch",
4950421a 1002 .alias = "iodepth_batch_submit",
214e1eca
JA
1003 .type = FIO_OPT_INT,
1004 .off1 = td_var_offset(iodepth_batch),
d65db441 1005 .help = "Number of IO buffers to submit in one go",
afdf9352 1006 .parent = "iodepth",
a2e6f8ac
JA
1007 .minval = 1,
1008 .def = "1",
4950421a
JA
1009 },
1010 {
1011 .name = "iodepth_batch_complete",
1012 .type = FIO_OPT_INT,
1013 .off1 = td_var_offset(iodepth_batch_complete),
d65db441 1014 .help = "Number of IO buffers to retrieve in one go",
4950421a
JA
1015 .parent = "iodepth",
1016 .minval = 0,
1017 .def = "1",
214e1eca
JA
1018 },
1019 {
1020 .name = "iodepth_low",
1021 .type = FIO_OPT_INT,
1022 .off1 = td_var_offset(iodepth_low),
1023 .help = "Low water mark for queuing depth",
afdf9352 1024 .parent = "iodepth",
214e1eca
JA
1025 },
1026 {
1027 .name = "size",
1028 .type = FIO_OPT_STR_VAL,
2dc1bbeb 1029 .off1 = td_var_offset(size),
c3edbdba 1030 .minval = 1,
214e1eca
JA
1031 .help = "Total size of device or files",
1032 },
aa31f1f1
SL
1033 {
1034 .name = "fill_device",
1035 .type = FIO_OPT_BOOL,
1036 .off1 = td_var_offset(fill_device),
1037 .help = "Write until an ENOSPC error occurs",
1038 .def = "0",
1039 },
214e1eca
JA
1040 {
1041 .name = "filesize",
1042 .type = FIO_OPT_STR_VAL,
1043 .off1 = td_var_offset(file_size_low),
1044 .off2 = td_var_offset(file_size_high),
c3edbdba 1045 .minval = 1,
214e1eca
JA
1046 .help = "Size of individual files",
1047 },
67a1000f
JA
1048 {
1049 .name = "offset",
1050 .alias = "fileoffset",
1051 .type = FIO_OPT_STR_VAL,
1052 .off1 = td_var_offset(start_offset),
1053 .help = "Start IO from this offset",
1054 .def = "0",
1055 },
214e1eca
JA
1056 {
1057 .name = "bs",
d3aad8f2 1058 .alias = "blocksize",
e01b22b8 1059 .type = FIO_OPT_INT,
214e1eca
JA
1060 .off1 = td_var_offset(bs[DDIR_READ]),
1061 .off2 = td_var_offset(bs[DDIR_WRITE]),
c3edbdba 1062 .minval = 1,
214e1eca
JA
1063 .help = "Block size unit",
1064 .def = "4k",
67a1000f 1065 .parent = "rw",
214e1eca 1066 },
2b7a01d0
JA
1067 {
1068 .name = "ba",
1069 .alias = "blockalign",
e01b22b8 1070 .type = FIO_OPT_INT,
2b7a01d0
JA
1071 .off1 = td_var_offset(ba[DDIR_READ]),
1072 .off2 = td_var_offset(ba[DDIR_WRITE]),
1073 .minval = 1,
1074 .help = "IO block offset alignment",
1075 .parent = "rw",
1076 },
214e1eca
JA
1077 {
1078 .name = "bsrange",
d3aad8f2 1079 .alias = "blocksize_range",
214e1eca
JA
1080 .type = FIO_OPT_RANGE,
1081 .off1 = td_var_offset(min_bs[DDIR_READ]),
1082 .off2 = td_var_offset(max_bs[DDIR_READ]),
1083 .off3 = td_var_offset(min_bs[DDIR_WRITE]),
1084 .off4 = td_var_offset(max_bs[DDIR_WRITE]),
c3edbdba 1085 .minval = 1,
214e1eca 1086 .help = "Set block size range (in more detail than bs)",
67a1000f 1087 .parent = "rw",
214e1eca 1088 },
564ca972
JA
1089 {
1090 .name = "bssplit",
1091 .type = FIO_OPT_STR,
1092 .cb = str_bssplit_cb,
1093 .help = "Set a specific mix of block sizes",
1094 .parent = "rw",
1095 },
214e1eca
JA
1096 {
1097 .name = "bs_unaligned",
d3aad8f2 1098 .alias = "blocksize_unaligned",
214e1eca
JA
1099 .type = FIO_OPT_STR_SET,
1100 .off1 = td_var_offset(bs_unaligned),
1101 .help = "Don't sector align IO buffer sizes",
67a1000f 1102 .parent = "rw",
214e1eca
JA
1103 },
1104 {
1105 .name = "randrepeat",
1106 .type = FIO_OPT_BOOL,
1107 .off1 = td_var_offset(rand_repeatable),
1108 .help = "Use repeatable random IO pattern",
1109 .def = "1",
67a1000f 1110 .parent = "rw",
214e1eca
JA
1111 },
1112 {
1113 .name = "norandommap",
1114 .type = FIO_OPT_STR_SET,
1115 .off1 = td_var_offset(norandommap),
1116 .help = "Accept potential duplicate random blocks",
67a1000f 1117 .parent = "rw",
214e1eca 1118 },
2b386d25
JA
1119 {
1120 .name = "softrandommap",
1121 .type = FIO_OPT_BOOL,
1122 .off1 = td_var_offset(softrandommap),
f66ab3c8 1123 .help = "Set norandommap if randommap allocation fails",
2b386d25
JA
1124 .parent = "norandommap",
1125 .def = "0",
1126 },
214e1eca
JA
1127 {
1128 .name = "nrfiles",
d7c8be03 1129 .alias = "nr_files",
214e1eca
JA
1130 .type = FIO_OPT_INT,
1131 .off1 = td_var_offset(nr_files),
1132 .help = "Split job workload between this number of files",
1133 .def = "1",
1134 },
1135 {
1136 .name = "openfiles",
1137 .type = FIO_OPT_INT,
1138 .off1 = td_var_offset(open_files),
1139 .help = "Number of files to keep open at the same time",
1140 },
1141 {
1142 .name = "file_service_type",
1143 .type = FIO_OPT_STR,
1144 .cb = str_fst_cb,
1145 .off1 = td_var_offset(file_service_type),
1146 .help = "How to select which file to service next",
1147 .def = "roundrobin",
1148 .posval = {
1149 { .ival = "random",
1150 .oval = FIO_FSERVICE_RANDOM,
1151 .help = "Choose a file at random",
1152 },
1153 { .ival = "roundrobin",
1154 .oval = FIO_FSERVICE_RR,
1155 .help = "Round robin select files",
1156 },
a086c257
JA
1157 { .ival = "sequential",
1158 .oval = FIO_FSERVICE_SEQ,
1159 .help = "Finish one file before moving to the next",
1160 },
214e1eca 1161 },
67a1000f
JA
1162 .parent = "nrfiles",
1163 },
7bc8c2cf
JA
1164#ifdef FIO_HAVE_FALLOCATE
1165 {
1166 .name = "fallocate",
1167 .type = FIO_OPT_BOOL,
1168 .off1 = td_var_offset(fallocate),
1169 .help = "Use fallocate() when laying out files",
1170 .def = "1",
1171 },
1172#endif
67a1000f
JA
1173 {
1174 .name = "fadvise_hint",
1175 .type = FIO_OPT_BOOL,
1176 .off1 = td_var_offset(fadvise_hint),
1177 .help = "Use fadvise() to advise the kernel on IO pattern",
1178 .def = "1",
214e1eca
JA
1179 },
1180 {
1181 .name = "fsync",
1182 .type = FIO_OPT_INT,
1183 .off1 = td_var_offset(fsync_blocks),
1184 .help = "Issue fsync for writes every given number of blocks",
1185 .def = "0",
1186 },
5f9099ea
JA
1187 {
1188 .name = "fdatasync",
1189 .type = FIO_OPT_INT,
1190 .off1 = td_var_offset(fdatasync_blocks),
1191 .help = "Issue fdatasync for writes every given number of blocks",
1192 .def = "0",
1193 },
1ef2b6be
JA
1194 {
1195 .name = "write_barrier",
1196 .type = FIO_OPT_INT,
1197 .off1 = td_var_offset(barrier_blocks),
1198 .help = "Make every Nth write a barrier write",
1199 .def = "0",
1200 },
44f29692
JA
1201#ifdef FIO_HAVE_SYNC_FILE_RANGE
1202 {
1203 .name = "sync_file_range",
1204 .posval = {
1205 { .ival = "wait_before",
1206 .oval = SYNC_FILE_RANGE_WAIT_BEFORE,
1207 .help = "SYNC_FILE_RANGE_WAIT_BEFORE",
3843deb3 1208 .or = 1,
44f29692
JA
1209 },
1210 { .ival = "write",
1211 .oval = SYNC_FILE_RANGE_WRITE,
1212 .help = "SYNC_FILE_RANGE_WRITE",
3843deb3 1213 .or = 1,
44f29692
JA
1214 },
1215 {
1216 .ival = "wait_after",
1217 .oval = SYNC_FILE_RANGE_WAIT_AFTER,
1218 .help = "SYNC_FILE_RANGE_WAIT_AFTER",
3843deb3 1219 .or = 1,
44f29692
JA
1220 },
1221 },
3843deb3 1222 .type = FIO_OPT_STR_MULTI,
44f29692
JA
1223 .cb = str_sfr_cb,
1224 .off1 = td_var_offset(sync_file_range),
1225 .help = "Use sync_file_range()",
1226 },
1227#endif
214e1eca
JA
1228 {
1229 .name = "direct",
1230 .type = FIO_OPT_BOOL,
1231 .off1 = td_var_offset(odirect),
1232 .help = "Use O_DIRECT IO (negates buffered)",
1233 .def = "0",
1234 },
1235 {
1236 .name = "buffered",
1237 .type = FIO_OPT_BOOL,
1238 .off1 = td_var_offset(odirect),
1239 .neg = 1,
1240 .help = "Use buffered IO (negates direct)",
1241 .def = "1",
1242 },
1243 {
1244 .name = "overwrite",
1245 .type = FIO_OPT_BOOL,
1246 .off1 = td_var_offset(overwrite),
1247 .help = "When writing, set whether to overwrite current data",
1248 .def = "0",
1249 },
1250 {
1251 .name = "loops",
1252 .type = FIO_OPT_INT,
1253 .off1 = td_var_offset(loops),
1254 .help = "Number of times to run the job",
1255 .def = "1",
1256 },
1257 {
1258 .name = "numjobs",
1259 .type = FIO_OPT_INT,
1260 .off1 = td_var_offset(numjobs),
1261 .help = "Duplicate this job this many times",
1262 .def = "1",
1263 },
1264 {
1265 .name = "startdelay",
a5737c93 1266 .type = FIO_OPT_STR_VAL_TIME,
214e1eca
JA
1267 .off1 = td_var_offset(start_delay),
1268 .help = "Only start job when this period has passed",
1269 .def = "0",
1270 },
1271 {
1272 .name = "runtime",
1273 .alias = "timeout",
1274 .type = FIO_OPT_STR_VAL_TIME,
1275 .off1 = td_var_offset(timeout),
1276 .help = "Stop workload when this amount of time has passed",
1277 .def = "0",
1278 },
cf4464ca
JA
1279 {
1280 .name = "time_based",
1281 .type = FIO_OPT_STR_SET,
1282 .off1 = td_var_offset(time_based),
1283 .help = "Keep running until runtime/timeout is met",
1284 },
721938ae
JA
1285 {
1286 .name = "ramp_time",
1287 .type = FIO_OPT_STR_VAL_TIME,
1288 .off1 = td_var_offset(ramp_time),
1289 .help = "Ramp up time before measuring performance",
1290 },
c223da83
JA
1291 {
1292 .name = "clocksource",
1293 .type = FIO_OPT_STR,
1294 .cb = fio_clock_source_cb,
1295 .off1 = td_var_offset(clocksource),
1296 .help = "What type of timing source to use",
c223da83
JA
1297 .posval = {
1298 { .ival = "gettimeofday",
1299 .oval = CS_GTOD,
1300 .help = "Use gettimeofday(2) for timing",
1301 },
1302 { .ival = "clock_gettime",
1303 .oval = CS_CGETTIME,
1304 .help = "Use clock_gettime(2) for timing",
1305 },
1306#ifdef ARCH_HAVE_CPU_CLOCK
1307 { .ival = "cpu",
1308 .oval = CS_CPUCLOCK,
1309 .help = "Use CPU private clock",
1310 },
1311#endif
1312 },
1313 },
214e1eca
JA
1314 {
1315 .name = "mem",
d3aad8f2 1316 .alias = "iomem",
214e1eca
JA
1317 .type = FIO_OPT_STR,
1318 .cb = str_mem_cb,
1319 .off1 = td_var_offset(mem_type),
1320 .help = "Backing type for IO buffers",
1321 .def = "malloc",
1322 .posval = {
1323 { .ival = "malloc",
1324 .oval = MEM_MALLOC,
1325 .help = "Use malloc(3) for IO buffers",
1326 },
37c8cdfe
JA
1327 { .ival = "shm",
1328 .oval = MEM_SHM,
1329 .help = "Use shared memory segments for IO buffers",
1330 },
214e1eca
JA
1331#ifdef FIO_HAVE_HUGETLB
1332 { .ival = "shmhuge",
1333 .oval = MEM_SHMHUGE,
1334 .help = "Like shm, but use huge pages",
1335 },
b370e46a 1336#endif
37c8cdfe
JA
1337 { .ival = "mmap",
1338 .oval = MEM_MMAP,
1339 .help = "Use mmap(2) (file or anon) for IO buffers",
1340 },
214e1eca
JA
1341#ifdef FIO_HAVE_HUGETLB
1342 { .ival = "mmaphuge",
1343 .oval = MEM_MMAPHUGE,
1344 .help = "Like mmap, but use huge pages",
1345 },
1346#endif
1347 },
1348 },
d529ee19
JA
1349 {
1350 .name = "iomem_align",
1351 .alias = "mem_align",
1352 .type = FIO_OPT_INT,
1353 .off1 = td_var_offset(mem_align),
1354 .minval = 0,
1355 .help = "IO memory buffer offset alignment",
1356 .def = "0",
1357 .parent = "iomem",
1358 },
214e1eca
JA
1359 {
1360 .name = "verify",
1361 .type = FIO_OPT_STR,
1362 .off1 = td_var_offset(verify),
1363 .help = "Verify data written",
5d7c5d34 1364 .cb = str_verify_cb,
214e1eca
JA
1365 .def = "0",
1366 .posval = {
1367 { .ival = "0",
1368 .oval = VERIFY_NONE,
1369 .help = "Don't do IO verification",
1370 },
fcca4b58
JA
1371 { .ival = "md5",
1372 .oval = VERIFY_MD5,
1373 .help = "Use md5 checksums for verification",
1374 },
d77a7af3
JA
1375 { .ival = "crc64",
1376 .oval = VERIFY_CRC64,
1377 .help = "Use crc64 checksums for verification",
1378 },
214e1eca
JA
1379 { .ival = "crc32",
1380 .oval = VERIFY_CRC32,
1381 .help = "Use crc32 checksums for verification",
1382 },
af497e6a
JA
1383 { .ival = "crc32c-intel",
1384 .oval = VERIFY_CRC32C_INTEL,
1385 .help = "Use hw crc32c checksums for verification",
1386 },
bac39e0e
JA
1387 { .ival = "crc32c",
1388 .oval = VERIFY_CRC32C,
1389 .help = "Use crc32c checksums for verification",
1390 },
969f7ed3
JA
1391 { .ival = "crc16",
1392 .oval = VERIFY_CRC16,
1393 .help = "Use crc16 checksums for verification",
1394 },
1e154bdb
JA
1395 { .ival = "crc7",
1396 .oval = VERIFY_CRC7,
1397 .help = "Use crc7 checksums for verification",
1398 },
7c353ceb
JA
1399 { .ival = "sha1",
1400 .oval = VERIFY_SHA1,
1401 .help = "Use sha1 checksums for verification",
1402 },
cd14cc10
JA
1403 { .ival = "sha256",
1404 .oval = VERIFY_SHA256,
1405 .help = "Use sha256 checksums for verification",
1406 },
1407 { .ival = "sha512",
1408 .oval = VERIFY_SHA512,
1409 .help = "Use sha512 checksums for verification",
1410 },
7437ee87
SL
1411 { .ival = "meta",
1412 .oval = VERIFY_META,
1413 .help = "Use io information",
1414 },
36690c9b
JA
1415 {
1416 .ival = "null",
1417 .oval = VERIFY_NULL,
1418 .help = "Pretend to verify",
1419 },
214e1eca
JA
1420 },
1421 },
005c565a
JA
1422 {
1423 .name = "do_verify",
68e1f29a 1424 .type = FIO_OPT_BOOL,
005c565a
JA
1425 .off1 = td_var_offset(do_verify),
1426 .help = "Run verification stage after write",
1427 .def = "1",
1428 .parent = "verify",
1429 },
160b966d
JA
1430 {
1431 .name = "verifysort",
1432 .type = FIO_OPT_BOOL,
1433 .off1 = td_var_offset(verifysort),
1434 .help = "Sort written verify blocks for read back",
1435 .def = "1",
c83f2df1 1436 .parent = "verify",
160b966d 1437 },
3f9f4e26 1438 {
a59e170d 1439 .name = "verify_interval",
e01b22b8 1440 .type = FIO_OPT_INT,
a59e170d 1441 .off1 = td_var_offset(verify_interval),
819a9680 1442 .minval = 2 * sizeof(struct verify_header),
a59e170d 1443 .help = "Store verify buffer header every N bytes",
afdf9352 1444 .parent = "verify",
3f9f4e26 1445 },
546a9142 1446 {
a59e170d 1447 .name = "verify_offset",
e01b22b8 1448 .type = FIO_OPT_INT,
a59e170d 1449 .help = "Offset verify header location by N bytes",
546a9142 1450 .def = "0",
5ec10eaa 1451 .cb = str_verify_offset_cb,
afdf9352 1452 .parent = "verify",
546a9142 1453 },
e28218f3
SL
1454 {
1455 .name = "verify_pattern",
0e92f873 1456 .type = FIO_OPT_STR,
e28218f3
SL
1457 .cb = str_verify_pattern_cb,
1458 .help = "Fill pattern for IO buffers",
1459 .parent = "verify",
1460 },
a12a3b4d
JA
1461 {
1462 .name = "verify_fatal",
68e1f29a 1463 .type = FIO_OPT_BOOL,
a12a3b4d
JA
1464 .off1 = td_var_offset(verify_fatal),
1465 .def = "0",
1466 .help = "Exit on a single verify failure, don't continue",
1467 .parent = "verify",
1468 },
e8462bd8
JA
1469 {
1470 .name = "verify_async",
1471 .type = FIO_OPT_INT,
1472 .off1 = td_var_offset(verify_async),
1473 .def = "0",
1474 .help = "Number of async verifier threads to use",
1475 .parent = "verify",
1476 },
9e144189
JA
1477 {
1478 .name = "verify_backlog",
1479 .type = FIO_OPT_STR_VAL,
1480 .off1 = td_var_offset(verify_backlog),
1481 .help = "Verify after this number of blocks are written",
1482 .parent = "verify",
1483 },
1484 {
1485 .name = "verify_backlog_batch",
1486 .type = FIO_OPT_INT,
1487 .off1 = td_var_offset(verify_batch),
1488 .help = "Verify this number of IO blocks",
0d29de83 1489 .parent = "verify",
9e144189 1490 },
e8462bd8
JA
1491#ifdef FIO_HAVE_CPU_AFFINITY
1492 {
1493 .name = "verify_async_cpus",
1494 .type = FIO_OPT_STR,
1495 .cb = str_verify_cpus_allowed_cb,
1496 .help = "Set CPUs allowed for async verify threads",
1497 .parent = "verify_async",
1498 },
0d29de83
JA
1499#endif
1500#ifdef FIO_HAVE_TRIM
1501 {
1502 .name = "trim_percentage",
1503 .type = FIO_OPT_INT,
1504 .cb = str_verify_trim_cb,
1505 .maxval = 100,
1506 .help = "Number of verify blocks to discard/trim",
1507 .parent = "verify",
1508 .def = "0",
1509 },
1510 {
1511 .name = "trim_verify_zero",
1512 .type = FIO_OPT_INT,
1513 .help = "Verify that trim/discarded blocks are returned as zeroes",
1514 .off1 = td_var_offset(trim_zero),
1515 .parent = "trim_percentage",
1516 .def = "1",
1517 },
1518 {
1519 .name = "trim_backlog",
1520 .type = FIO_OPT_STR_VAL,
1521 .off1 = td_var_offset(trim_backlog),
1522 .help = "Trim after this number of blocks are written",
1523 .parent = "trim_percentage",
1524 },
1525 {
1526 .name = "trim_backlog_batch",
1527 .type = FIO_OPT_INT,
1528 .off1 = td_var_offset(trim_batch),
1529 .help = "Trim this number of IO blocks",
1530 .parent = "trim_percentage",
1531 },
e8462bd8 1532#endif
214e1eca
JA
1533 {
1534 .name = "write_iolog",
1535 .type = FIO_OPT_STR_STORE,
1536 .off1 = td_var_offset(write_iolog_file),
1537 .help = "Store IO pattern to file",
1538 },
1539 {
1540 .name = "read_iolog",
1541 .type = FIO_OPT_STR_STORE,
1542 .off1 = td_var_offset(read_iolog_file),
1543 .help = "Playback IO pattern from file",
1544 },
64bbb865
DN
1545 {
1546 .name = "replay_no_stall",
1547 .type = FIO_OPT_INT,
1548 .off1 = td_var_offset(no_stall),
1549 .def = "0",
87e7a972 1550 .parent = "read_iolog",
64bbb865
DN
1551 .help = "Playback IO pattern file as fast as possible without stalls",
1552 },
d1c46c04
DN
1553 {
1554 .name = "replay_redirect",
1555 .type = FIO_OPT_STR_STORE,
1556 .off1 = td_var_offset(replay_redirect),
1557 .parent = "read_iolog",
1558 .help = "Replay all I/O onto this device, regardless of trace device",
1559 },
214e1eca
JA
1560 {
1561 .name = "exec_prerun",
1562 .type = FIO_OPT_STR_STORE,
1563 .off1 = td_var_offset(exec_prerun),
1564 .help = "Execute this file prior to running job",
1565 },
1566 {
1567 .name = "exec_postrun",
1568 .type = FIO_OPT_STR_STORE,
1569 .off1 = td_var_offset(exec_postrun),
1570 .help = "Execute this file after running job",
1571 },
1572#ifdef FIO_HAVE_IOSCHED_SWITCH
1573 {
1574 .name = "ioscheduler",
1575 .type = FIO_OPT_STR_STORE,
1576 .off1 = td_var_offset(ioscheduler),
1577 .help = "Use this IO scheduler on the backing device",
1578 },
1579#endif
1580 {
1581 .name = "zonesize",
1582 .type = FIO_OPT_STR_VAL,
1583 .off1 = td_var_offset(zone_size),
1584 .help = "Give size of an IO zone",
1585 .def = "0",
1586 },
1587 {
1588 .name = "zoneskip",
1589 .type = FIO_OPT_STR_VAL,
1590 .off1 = td_var_offset(zone_skip),
1591 .help = "Space between IO zones",
1592 .def = "0",
1593 },
1594 {
1595 .name = "lockmem",
1596 .type = FIO_OPT_STR_VAL,
1597 .cb = str_lockmem_cb,
1598 .help = "Lock down this amount of memory",
1599 .def = "0",
1600 },
214e1eca
JA
1601 {
1602 .name = "rwmixread",
1603 .type = FIO_OPT_INT,
cb499fc4 1604 .cb = str_rwmix_read_cb,
214e1eca
JA
1605 .maxval = 100,
1606 .help = "Percentage of mixed workload that is reads",
1607 .def = "50",
1608 },
1609 {
1610 .name = "rwmixwrite",
1611 .type = FIO_OPT_INT,
cb499fc4 1612 .cb = str_rwmix_write_cb,
214e1eca
JA
1613 .maxval = 100,
1614 .help = "Percentage of mixed workload that is writes",
1615 .def = "50",
1616 },
afdf9352
JA
1617 {
1618 .name = "rwmixcycle",
15ca150e 1619 .type = FIO_OPT_DEPRECATED,
afdf9352 1620 },
214e1eca
JA
1621 {
1622 .name = "nice",
1623 .type = FIO_OPT_INT,
1624 .off1 = td_var_offset(nice),
1625 .help = "Set job CPU nice value",
1626 .minval = -19,
1627 .maxval = 20,
1628 .def = "0",
1629 },
1630#ifdef FIO_HAVE_IOPRIO
1631 {
1632 .name = "prio",
1633 .type = FIO_OPT_INT,
1634 .cb = str_prio_cb,
1635 .help = "Set job IO priority value",
1636 .minval = 0,
1637 .maxval = 7,
1638 },
1639 {
1640 .name = "prioclass",
1641 .type = FIO_OPT_INT,
1642 .cb = str_prioclass_cb,
1643 .help = "Set job IO priority class",
1644 .minval = 0,
1645 .maxval = 3,
1646 },
1647#endif
1648 {
1649 .name = "thinktime",
1650 .type = FIO_OPT_INT,
1651 .off1 = td_var_offset(thinktime),
1652 .help = "Idle time between IO buffers (usec)",
1653 .def = "0",
1654 },
1655 {
1656 .name = "thinktime_spin",
1657 .type = FIO_OPT_INT,
1658 .off1 = td_var_offset(thinktime_spin),
1659 .help = "Start think time by spinning this amount (usec)",
1660 .def = "0",
afdf9352 1661 .parent = "thinktime",
214e1eca
JA
1662 },
1663 {
1664 .name = "thinktime_blocks",
1665 .type = FIO_OPT_INT,
1666 .off1 = td_var_offset(thinktime_blocks),
1667 .help = "IO buffer period between 'thinktime'",
1668 .def = "1",
afdf9352 1669 .parent = "thinktime",
214e1eca
JA
1670 },
1671 {
1672 .name = "rate",
e01b22b8 1673 .type = FIO_OPT_INT,
581e7141
JA
1674 .off1 = td_var_offset(rate[0]),
1675 .off2 = td_var_offset(rate[1]),
214e1eca
JA
1676 .help = "Set bandwidth rate",
1677 },
1678 {
1679 .name = "ratemin",
e01b22b8 1680 .type = FIO_OPT_INT,
581e7141
JA
1681 .off1 = td_var_offset(ratemin[0]),
1682 .off2 = td_var_offset(ratemin[1]),
4e991c23 1683 .help = "Job must meet this rate or it will be shutdown",
afdf9352 1684 .parent = "rate",
4e991c23
JA
1685 },
1686 {
1687 .name = "rate_iops",
e01b22b8 1688 .type = FIO_OPT_INT,
581e7141
JA
1689 .off1 = td_var_offset(rate_iops[0]),
1690 .off2 = td_var_offset(rate_iops[1]),
4e991c23
JA
1691 .help = "Limit IO used to this number of IO operations/sec",
1692 },
1693 {
1694 .name = "rate_iops_min",
e01b22b8 1695 .type = FIO_OPT_INT,
581e7141
JA
1696 .off1 = td_var_offset(rate_iops_min[0]),
1697 .off2 = td_var_offset(rate_iops_min[1]),
03e20d68 1698 .help = "Job must meet this rate or it will be shut down",
afdf9352 1699 .parent = "rate_iops",
214e1eca
JA
1700 },
1701 {
1702 .name = "ratecycle",
1703 .type = FIO_OPT_INT,
1704 .off1 = td_var_offset(ratecycle),
1705 .help = "Window average for rate limits (msec)",
1706 .def = "1000",
afdf9352 1707 .parent = "rate",
214e1eca
JA
1708 },
1709 {
1710 .name = "invalidate",
1711 .type = FIO_OPT_BOOL,
1712 .off1 = td_var_offset(invalidate_cache),
1713 .help = "Invalidate buffer/page cache prior to running job",
1714 .def = "1",
1715 },
1716 {
1717 .name = "sync",
1718 .type = FIO_OPT_BOOL,
1719 .off1 = td_var_offset(sync_io),
1720 .help = "Use O_SYNC for buffered writes",
1721 .def = "0",
67a1000f 1722 .parent = "buffered",
214e1eca
JA
1723 },
1724 {
1725 .name = "bwavgtime",
1726 .type = FIO_OPT_INT,
1727 .off1 = td_var_offset(bw_avg_time),
5ec10eaa
JA
1728 .help = "Time window over which to calculate bandwidth"
1729 " (msec)",
214e1eca
JA
1730 .def = "500",
1731 },
1732 {
1733 .name = "create_serialize",
1734 .type = FIO_OPT_BOOL,
1735 .off1 = td_var_offset(create_serialize),
1736 .help = "Serialize creating of job files",
1737 .def = "1",
1738 },
1739 {
1740 .name = "create_fsync",
1741 .type = FIO_OPT_BOOL,
1742 .off1 = td_var_offset(create_fsync),
03e20d68 1743 .help = "fsync file after creation",
214e1eca
JA
1744 .def = "1",
1745 },
814452bd
JA
1746 {
1747 .name = "create_on_open",
1748 .type = FIO_OPT_BOOL,
1749 .off1 = td_var_offset(create_on_open),
1750 .help = "Create files when they are opened for IO",
1751 .def = "0",
1752 },
0b9d69ec 1753 {
afad68f7
ZY
1754 .name = "pre_read",
1755 .type = FIO_OPT_BOOL,
1756 .off1 = td_var_offset(pre_read),
03e20d68 1757 .help = "Pre-read files before starting official testing",
afad68f7
ZY
1758 .def = "0",
1759 },
214e1eca
JA
1760 {
1761 .name = "cpuload",
1762 .type = FIO_OPT_INT,
1763 .off1 = td_var_offset(cpuload),
1764 .help = "Use this percentage of CPU",
1765 },
1766 {
1767 .name = "cpuchunks",
1768 .type = FIO_OPT_INT,
1769 .off1 = td_var_offset(cpucycle),
1770 .help = "Length of the CPU burn cycles (usecs)",
1771 .def = "50000",
67a1000f 1772 .parent = "cpuload",
214e1eca
JA
1773 },
1774#ifdef FIO_HAVE_CPU_AFFINITY
1775 {
1776 .name = "cpumask",
1777 .type = FIO_OPT_INT,
1778 .cb = str_cpumask_cb,
1779 .help = "CPU affinity mask",
1780 },
d2e268b0
JA
1781 {
1782 .name = "cpus_allowed",
1783 .type = FIO_OPT_STR,
1784 .cb = str_cpus_allowed_cb,
1785 .help = "Set CPUs allowed",
1786 },
214e1eca
JA
1787#endif
1788 {
1789 .name = "end_fsync",
1790 .type = FIO_OPT_BOOL,
1791 .off1 = td_var_offset(end_fsync),
1792 .help = "Include fsync at the end of job",
1793 .def = "0",
1794 },
1795 {
1796 .name = "fsync_on_close",
1797 .type = FIO_OPT_BOOL,
1798 .off1 = td_var_offset(fsync_on_close),
1799 .help = "fsync files on close",
1800 .def = "0",
1801 },
1802 {
1803 .name = "unlink",
1804 .type = FIO_OPT_BOOL,
1805 .off1 = td_var_offset(unlink),
1806 .help = "Unlink created files after job has completed",
1807 .def = "0",
1808 },
1809 {
1810 .name = "exitall",
1811 .type = FIO_OPT_STR_SET,
1812 .cb = str_exitall_cb,
1813 .help = "Terminate all jobs when one exits",
1814 },
1815 {
1816 .name = "stonewall",
1817 .type = FIO_OPT_STR_SET,
1818 .off1 = td_var_offset(stonewall),
1819 .help = "Insert a hard barrier between this job and previous",
1820 },
b3d62a75
JA
1821 {
1822 .name = "new_group",
1823 .type = FIO_OPT_STR_SET,
1824 .off1 = td_var_offset(new_group),
1825 .help = "Mark the start of a new group (for reporting)",
1826 },
214e1eca
JA
1827 {
1828 .name = "thread",
1829 .type = FIO_OPT_STR_SET,
1830 .off1 = td_var_offset(use_thread),
1831 .help = "Use threads instead of forks",
1832 },
1833 {
1834 .name = "write_bw_log",
e3cedca7 1835 .type = FIO_OPT_STR,
214e1eca 1836 .off1 = td_var_offset(write_bw_log),
e3cedca7 1837 .cb = str_write_bw_log_cb,
214e1eca
JA
1838 .help = "Write log of bandwidth during run",
1839 },
1840 {
1841 .name = "write_lat_log",
e3cedca7 1842 .type = FIO_OPT_STR,
214e1eca 1843 .off1 = td_var_offset(write_lat_log),
e3cedca7 1844 .cb = str_write_lat_log_cb,
214e1eca
JA
1845 .help = "Write log of latency during run",
1846 },
1847 {
1848 .name = "hugepage-size",
e01b22b8 1849 .type = FIO_OPT_INT,
214e1eca
JA
1850 .off1 = td_var_offset(hugepage_size),
1851 .help = "When using hugepages, specify size of each page",
1852 .def = __stringify(FIO_HUGE_PAGE),
1853 },
1854 {
1855 .name = "group_reporting",
1856 .type = FIO_OPT_STR_SET,
1857 .off1 = td_var_offset(group_reporting),
1858 .help = "Do reporting on a per-group basis",
1859 },
e9459e5a
JA
1860 {
1861 .name = "zero_buffers",
1862 .type = FIO_OPT_STR_SET,
1863 .off1 = td_var_offset(zero_buffers),
1864 .help = "Init IO buffers to all zeroes",
1865 },
5973cafb
JA
1866 {
1867 .name = "refill_buffers",
1868 .type = FIO_OPT_STR_SET,
1869 .off1 = td_var_offset(refill_buffers),
1870 .help = "Refill IO buffers on every IO submit",
1871 },
0a839f30
JA
1872#ifdef FIO_HAVE_DISK_UTIL
1873 {
1874 .name = "disk_util",
1875 .type = FIO_OPT_BOOL,
1876 .off1 = td_var_offset(do_disk_util),
f66ab3c8 1877 .help = "Log disk utilization statistics",
0a839f30
JA
1878 .def = "1",
1879 },
1880#endif
993bf48b
JA
1881 {
1882 .name = "gtod_reduce",
1883 .type = FIO_OPT_BOOL,
1884 .help = "Greatly reduce number of gettimeofday() calls",
1885 .cb = str_gtod_reduce_cb,
1886 .def = "0",
1887 },
02af0988
JA
1888 {
1889 .name = "disable_lat",
1890 .type = FIO_OPT_BOOL,
1891 .off1 = td_var_offset(disable_lat),
1892 .help = "Disable latency numbers",
1893 .parent = "gtod_reduce",
1894 .def = "0",
1895 },
9520ebb9
JA
1896 {
1897 .name = "disable_clat",
1898 .type = FIO_OPT_BOOL,
1899 .off1 = td_var_offset(disable_clat),
1900 .help = "Disable completion latency numbers",
993bf48b 1901 .parent = "gtod_reduce",
9520ebb9
JA
1902 .def = "0",
1903 },
1904 {
1905 .name = "disable_slat",
1906 .type = FIO_OPT_BOOL,
1907 .off1 = td_var_offset(disable_slat),
03e20d68 1908 .help = "Disable submission latency numbers",
993bf48b 1909 .parent = "gtod_reduce",
9520ebb9
JA
1910 .def = "0",
1911 },
1912 {
1913 .name = "disable_bw_measurement",
1914 .type = FIO_OPT_BOOL,
1915 .off1 = td_var_offset(disable_bw),
1916 .help = "Disable bandwidth logging",
993bf48b 1917 .parent = "gtod_reduce",
9520ebb9
JA
1918 .def = "0",
1919 },
be4ecfdf
JA
1920 {
1921 .name = "gtod_cpu",
1922 .type = FIO_OPT_INT,
1923 .cb = str_gtod_cpu_cb,
03e20d68 1924 .help = "Set up dedicated gettimeofday() thread on this CPU",
29d43ff9 1925 .verify = gtod_cpu_verify,
be4ecfdf 1926 },
f2bba182
RR
1927 {
1928 .name = "continue_on_error",
1929 .type = FIO_OPT_BOOL,
1930 .off1 = td_var_offset(continue_on_error),
03e20d68 1931 .help = "Continue on non-fatal errors during IO",
f2bba182
RR
1932 .def = "0",
1933 },
9ac8a797
JA
1934 {
1935 .name = "profile",
79d16311 1936 .type = FIO_OPT_STR_STORE,
9ac8a797 1937 .off1 = td_var_offset(profile),
9ac8a797
JA
1938 .help = "Select a specific builtin performance test",
1939 },
a696fa2a
JA
1940 {
1941 .name = "cgroup",
1942 .type = FIO_OPT_STR_STORE,
1943 .off1 = td_var_offset(cgroup),
1944 .help = "Add job to cgroup of this name",
1945 },
1946 {
1947 .name = "cgroup_weight",
1948 .type = FIO_OPT_INT,
1949 .off1 = td_var_offset(cgroup_weight),
1950 .help = "Use given weight for cgroup",
1951 .minval = 100,
1952 .maxval = 1000,
a696fa2a 1953 },
7de87099
VG
1954 {
1955 .name = "cgroup_nodelete",
1956 .type = FIO_OPT_BOOL,
1957 .off1 = td_var_offset(cgroup_nodelete),
1958 .help = "Do not delete cgroups after job completion",
1959 .def = "0",
1960 },
e0b0d892
JA
1961 {
1962 .name = "uid",
1963 .type = FIO_OPT_INT,
1964 .off1 = td_var_offset(uid),
1965 .help = "Run job with this user ID",
1966 },
1967 {
1968 .name = "gid",
1969 .type = FIO_OPT_INT,
1970 .off1 = td_var_offset(gid),
1971 .help = "Run job with this group ID",
1972 },
214e1eca
JA
1973 {
1974 .name = NULL,
1975 },
1976};
1977
17af15d4
JA
1978static void add_to_lopt(struct option *lopt, struct fio_option *o,
1979 const char *name)
9f81736c 1980{
17af15d4 1981 lopt->name = (char *) name;
9f81736c
JA
1982 lopt->val = FIO_GETOPT_JOB;
1983 if (o->type == FIO_OPT_STR_SET)
1984 lopt->has_arg = no_argument;
1985 else
1986 lopt->has_arg = required_argument;
1987}
1988
214e1eca
JA
1989void fio_options_dup_and_init(struct option *long_options)
1990{
1991 struct fio_option *o;
1992 unsigned int i;
1993
1994 options_init(options);
1995
1996 i = 0;
1997 while (long_options[i].name)
1998 i++;
1999
2000 o = &options[0];
2001 while (o->name) {
17af15d4
JA
2002 add_to_lopt(&long_options[i], o, o->name);
2003 if (o->alias) {
2004 i++;
2005 add_to_lopt(&long_options[i], o, o->alias);
2006 }
214e1eca
JA
2007
2008 i++;
2009 o++;
2010 assert(i < FIO_NR_OPTIONS);
2011 }
2012}
2013
74929ac2
JA
2014struct fio_keyword {
2015 const char *word;
2016 const char *desc;
2017 char *replace;
2018};
2019
2020static struct fio_keyword fio_keywords[] = {
2021 {
2022 .word = "$pagesize",
2023 .desc = "Page size in the system",
2024 },
2025 {
2026 .word = "$mb_memory",
2027 .desc = "Megabytes of memory online",
2028 },
2029 {
2030 .word = "$ncpus",
2031 .desc = "Number of CPUs online in the system",
2032 },
2033 {
2034 .word = NULL,
2035 },
2036};
2037
2038void fio_keywords_init(void)
2039{
3b2e1464 2040 unsigned long long mb_memory;
74929ac2
JA
2041 char buf[128];
2042 long l;
2043
2044 sprintf(buf, "%lu", page_size);
2045 fio_keywords[0].replace = strdup(buf);
2046
3b2e1464
JA
2047 mb_memory = os_phys_mem() / page_size;
2048 sprintf(buf, "%llu", mb_memory);
74929ac2
JA
2049 fio_keywords[1].replace = strdup(buf);
2050
2051 l = sysconf(_SC_NPROCESSORS_ONLN);
2052 sprintf(buf, "%lu", l);
2053 fio_keywords[2].replace = strdup(buf);
2054}
2055
892a6ffc
JA
2056#define BC_APP "bc"
2057
2058static char *bc_calc(char *str)
2059{
2060 char *buf, *tmp, opt[80];
2061 FILE *f;
2062 int ret;
2063
2064 /*
2065 * No math, just return string
2066 */
2067 if (!strchr(str, '+') && !strchr(str, '-') && !strchr(str, '*') &&
2068 !strchr(str, '/'))
2069 return str;
2070
2071 /*
2072 * Split option from value, we only need to calculate the value
2073 */
2074 tmp = strchr(str, '=');
2075 if (!tmp)
2076 return str;
2077
2078 tmp++;
9ac8a797 2079 memset(opt, 0, sizeof(opt));
892a6ffc
JA
2080 strncpy(opt, str, tmp - str);
2081
2082 buf = malloc(128);
2083
2084 sprintf(buf, "which %s > /dev/null", BC_APP);
2085 if (system(buf)) {
2086 log_err("fio: bc is needed for performing math\n");
2087 free(buf);
2088 return NULL;
2089 }
2090
2091 sprintf(buf, "echo %s | %s", tmp, BC_APP);
2092 f = popen(buf, "r");
2093 if (!f) {
2094 free(buf);
2095 return NULL;
2096 }
2097
2098 ret = fread(buf, 1, 128, f);
2099 if (ret <= 0) {
2100 free(buf);
2101 return NULL;
2102 }
2103
2104 buf[ret - 1] = '\0';
2105 strcat(opt, buf);
2106 strcpy(buf, opt);
2107 pclose(f);
2108 free(str);
2109 return buf;
2110}
2111
74929ac2
JA
2112/*
2113 * Look for reserved variable names and replace them with real values
2114 */
2115static char *fio_keyword_replace(char *opt)
2116{
2117 char *s;
2118 int i;
2119
2120 for (i = 0; fio_keywords[i].word != NULL; i++) {
2121 struct fio_keyword *kw = &fio_keywords[i];
2122
2123 while ((s = strstr(opt, kw->word)) != NULL) {
2124 char *new = malloc(strlen(opt) + 1);
2125 char *o_org = opt;
2126 int olen = s - opt;
2127 int len;
2128
2129 /*
2130 * Copy part of the string before the keyword and
2131 * sprintf() the replacement after it.
2132 */
2133 memcpy(new, opt, olen);
2134 len = sprintf(new + olen, "%s", kw->replace);
2135
2136 /*
2137 * If there's more in the original string, copy that
2138 * in too
2139 */
2140 opt += strlen(kw->word) + olen;
2141 if (strlen(opt))
2142 memcpy(new + olen + len, opt, opt - o_org - 1);
2143
2144 /*
2145 * replace opt and free the old opt
2146 */
2147 opt = new;
9ac8a797 2148 //free(o_org);
7a958bd5
JA
2149
2150 /*
2151 * Check for potential math and invoke bc, if possible
2152 */
2153 opt = bc_calc(opt);
74929ac2
JA
2154 }
2155 }
2156
7a958bd5 2157 return opt;
74929ac2
JA
2158}
2159
3b8b7135 2160int fio_options_parse(struct thread_data *td, char **opts, int num_opts)
214e1eca 2161{
3b8b7135
JA
2162 int i, ret;
2163
2164 sort_options(opts, options, num_opts);
2165
74929ac2
JA
2166 for (ret = 0, i = 0; i < num_opts; i++) {
2167 opts[i] = fio_keyword_replace(opts[i]);
07b3232d 2168 ret |= parse_option(opts[i], options, td);
74929ac2 2169 }
3b8b7135
JA
2170
2171 return ret;
214e1eca
JA
2172}
2173
2174int fio_cmd_option_parse(struct thread_data *td, const char *opt, char *val)
2175{
07b3232d 2176 return parse_cmd_option(opt, val, options, td);
214e1eca
JA
2177}
2178
2179void fio_fill_default_options(struct thread_data *td)
2180{
2181 fill_default_options(td, options);
2182}
2183
2184int fio_show_option_help(const char *opt)
2185{
07b3232d 2186 return show_cmd_help(options, opt);
214e1eca 2187}
d23bb327
JA
2188
2189static void __options_mem(struct thread_data *td, int alloc)
2190{
2191 struct thread_options *o = &td->o;
2192 struct fio_option *opt;
2193 char **ptr;
2194 int i;
2195
2196 for (i = 0, opt = &options[0]; opt->name; i++, opt = &options[i]) {
2197 if (opt->type != FIO_OPT_STR_STORE)
2198 continue;
2199
2200 ptr = (void *) o + opt->off1;
2201 if (*ptr) {
2202 if (alloc)
2203 *ptr = strdup(*ptr);
2204 else {
2205 free(*ptr);
2206 *ptr = NULL;
2207 }
2208 }
2209 }
2210}
2211
2212/*
2213 * dupe FIO_OPT_STR_STORE options
2214 */
2215void options_mem_dupe(struct thread_data *td)
2216{
2217 __options_mem(td, 1);
2218}
2219
22d66213 2220void options_mem_free(struct thread_data fio_unused *td)
d23bb327 2221{
22d66213 2222#if 0
d23bb327 2223 __options_mem(td, 0);
22d66213 2224#endif
d23bb327 2225}
d6978a32
JA
2226
2227unsigned int fio_get_kb_base(void *data)
2228{
2229 struct thread_data *td = data;
2230 unsigned int kb_base = 0;
2231
2232 if (td)
2233 kb_base = td->o.kb_base;
2234 if (!kb_base)
2235 kb_base = 1024;
2236
2237 return kb_base;
2238}
9f988e2e 2239
07b3232d 2240int add_option(struct fio_option *o)
9f988e2e 2241{
07b3232d
JA
2242 struct fio_option *__o;
2243 int opt_index = 0;
2244
2245 __o = options;
2246 while (__o->name) {
2247 opt_index++;
2248 __o++;
2249 }
2250
2251 memcpy(&options[opt_index], o, sizeof(*o));
2252 return 0;
9f988e2e 2253}
e2de69da 2254
07b3232d 2255void invalidate_profile_options(const char *prof_name)
e2de69da 2256{
07b3232d 2257 struct fio_option *o;
e2de69da 2258
07b3232d
JA
2259 o = options;
2260 while (o->name) {
2261 if (o->prof_name && !strcmp(o->prof_name, prof_name)) {
2262 o->type = FIO_OPT_INVALID;
2263 o->prof_name = NULL;
2264 }
2265 o++;
e2de69da
JA
2266 }
2267}
f5b6bb85
JA
2268
2269void add_opt_posval(const char *optname, const char *ival, const char *help)
2270{
2271 struct fio_option *o;
2272 unsigned int i;
2273
2274 o = find_option(options, optname);
2275 if (!o)
2276 return;
2277
2278 for (i = 0; i < PARSE_MAX_VP; i++) {
2279 if (o->posval[i].ival)
2280 continue;
2281
2282 o->posval[i].ival = ival;
2283 o->posval[i].help = help;
2284 break;
2285 }
2286}
2287
2288void del_opt_posval(const char *optname, const char *ival)
2289{
2290 struct fio_option *o;
2291 unsigned int i;
2292
2293 o = find_option(options, optname);
2294 if (!o)
2295 return;
2296
2297 for (i = 0; i < PARSE_MAX_VP; i++) {
2298 if (!o->posval[i].ival)
2299 continue;
2300 if (strcmp(o->posval[i].ival, ival))
2301 continue;
2302
2303 o->posval[i].ival = NULL;
2304 o->posval[i].help = NULL;
2305 }
2306}