Fix bug in $mb_memory keyword
[fio.git] / options.c
CommitLineData
214e1eca
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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
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18#include "crc/crc32c.h"
19
214e1eca
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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;
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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
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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
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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;
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288
289 td->ioprio |= *val << IOPRIO_CLASS_SHIFT;
ac684785 290 td->ioprio_set = 1;
214e1eca
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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
c00a2289 332 max_cpu = cpus_online();
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
c00a2289 369 max_cpu = cpus_online();
b03daafb 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{
3f0ca9b9 485#if 0
921c766f 486 char file[PATH_MAX], *dir;
bc838919 487 int elen = 0;
921c766f 488
bc838919
JA
489 if (td->o.directory) {
490 strcpy(file, td->o.directory);
fcef0b35 491 strcat(file, "/");
bc838919
JA
492 elen = strlen(file);
493 }
494
fcef0b35 495 sprintf(file + elen, "%s", fname);
921c766f
JA
496 dir = dirname(file);
497
fcef0b35
JA
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;
92bf48d5
JA
678 /*
679 * VERIFY_META could already be set
680 */
681 if (td->o.verify == VERIFY_NONE)
682 td->o.verify = VERIFY_PATTERN;
90059d65
JA
683 return 0;
684}
214e1eca 685
4d4e80f2
JA
686static int str_lockfile_cb(void *data, const char *str)
687{
688 struct thread_data *td = data;
689 char *nr = get_opt_postfix(str);
690
691 td->o.lockfile_batch = 1;
182ec6ee 692 if (nr) {
4d4e80f2 693 td->o.lockfile_batch = atoi(nr);
182ec6ee
JA
694 free(nr);
695 }
4d4e80f2
JA
696
697 return 0;
698}
699
e3cedca7
JA
700static int str_write_bw_log_cb(void *data, const char *str)
701{
702 struct thread_data *td = data;
703
704 if (str)
705 td->o.bw_log_file = strdup(str);
706
707 td->o.write_bw_log = 1;
708 return 0;
709}
710
711static int str_write_lat_log_cb(void *data, const char *str)
712{
713 struct thread_data *td = data;
714
715 if (str)
716 td->o.lat_log_file = strdup(str);
717
718 td->o.write_lat_log = 1;
719 return 0;
720}
721
993bf48b
JA
722static int str_gtod_reduce_cb(void *data, int *il)
723{
724 struct thread_data *td = data;
725 int val = *il;
726
02af0988 727 td->o.disable_lat = !!val;
993bf48b
JA
728 td->o.disable_clat = !!val;
729 td->o.disable_slat = !!val;
730 td->o.disable_bw = !!val;
731 if (val)
732 td->tv_cache_mask = 63;
733
734 return 0;
735}
736
85bc833b 737static int str_gtod_cpu_cb(void *data, long long *il)
be4ecfdf
JA
738{
739 struct thread_data *td = data;
740 int val = *il;
741
742 td->o.gtod_cpu = val;
743 td->o.gtod_offload = 1;
744 return 0;
745}
746
896cac2a
JA
747static int rw_verify(struct fio_option *o, void *data)
748{
749 struct thread_data *td = data;
750
751 if (read_only && td_write(td)) {
752 log_err("fio: job <%s> has write bit set, but fio is in"
753 " read-only mode\n", td->o.name);
754 return 1;
755 }
756
757 return 0;
758}
759
276ca4f7 760static int gtod_cpu_verify(struct fio_option *o, void *data)
29d43ff9 761{
276ca4f7 762#ifndef FIO_HAVE_CPU_AFFINITY
29d43ff9
JA
763 struct thread_data *td = data;
764
29d43ff9
JA
765 if (td->o.gtod_cpu) {
766 log_err("fio: platform must support CPU affinity for"
767 "gettimeofday() offloading\n");
768 return 1;
769 }
770#endif
771
772 return 0;
773}
774
90fef2d1
JA
775static int kb_base_verify(struct fio_option *o, void *data)
776{
777 struct thread_data *td = data;
778
779 if (td->o.kb_base != 1024 && td->o.kb_base != 1000) {
780 log_err("fio: kb_base set to nonsensical value: %u\n",
781 td->o.kb_base);
782 return 1;
783 }
784
785 return 0;
786}
787
214e1eca
JA
788#define __stringify_1(x) #x
789#define __stringify(x) __stringify_1(x)
790
791/*
792 * Map of job/command line options
793 */
07b3232d 794static struct fio_option options[FIO_MAX_OPTS] = {
214e1eca
JA
795 {
796 .name = "description",
797 .type = FIO_OPT_STR_STORE,
798 .off1 = td_var_offset(description),
799 .help = "Text job description",
800 },
801 {
802 .name = "name",
803 .type = FIO_OPT_STR_STORE,
804 .off1 = td_var_offset(name),
805 .help = "Name of this job",
806 },
807 {
808 .name = "directory",
809 .type = FIO_OPT_STR_STORE,
810 .off1 = td_var_offset(directory),
811 .cb = str_directory_cb,
812 .help = "Directory to store files in",
813 },
814 {
815 .name = "filename",
816 .type = FIO_OPT_STR_STORE,
817 .off1 = td_var_offset(filename),
818 .cb = str_filename_cb,
f0d524b0 819 .prio = -1, /* must come after "directory" */
214e1eca
JA
820 .help = "File(s) to use for the workload",
821 },
90fef2d1
JA
822 {
823 .name = "kb_base",
824 .type = FIO_OPT_INT,
825 .off1 = td_var_offset(kb_base),
90fef2d1 826 .verify = kb_base_verify,
a639f0bb 827 .prio = 1,
90fef2d1 828 .def = "1024",
a639f0bb 829 .help = "How many bytes per KB for reporting (1000 or 1024)",
90fef2d1 830 },
29c1349f
JA
831 {
832 .name = "lockfile",
4d4e80f2
JA
833 .type = FIO_OPT_STR,
834 .cb = str_lockfile_cb,
835 .off1 = td_var_offset(file_lock_mode),
29c1349f
JA
836 .help = "Lock file when doing IO to it",
837 .parent = "filename",
4d4e80f2
JA
838 .def = "none",
839 .posval = {
840 { .ival = "none",
841 .oval = FILE_LOCK_NONE,
842 .help = "No file locking",
843 },
844 { .ival = "exclusive",
845 .oval = FILE_LOCK_EXCLUSIVE,
846 .help = "Exclusive file lock",
847 },
848 {
849 .ival = "readwrite",
850 .oval = FILE_LOCK_READWRITE,
851 .help = "Read vs write lock",
852 },
853 },
29c1349f 854 },
214e1eca
JA
855 {
856 .name = "opendir",
857 .type = FIO_OPT_STR_STORE,
858 .off1 = td_var_offset(opendir),
859 .cb = str_opendir_cb,
860 .help = "Recursively add files from this directory and down",
861 },
862 {
863 .name = "rw",
d3aad8f2 864 .alias = "readwrite",
214e1eca 865 .type = FIO_OPT_STR,
211097b2 866 .cb = str_rw_cb,
214e1eca
JA
867 .off1 = td_var_offset(td_ddir),
868 .help = "IO direction",
869 .def = "read",
896cac2a 870 .verify = rw_verify,
214e1eca
JA
871 .posval = {
872 { .ival = "read",
873 .oval = TD_DDIR_READ,
874 .help = "Sequential read",
875 },
876 { .ival = "write",
877 .oval = TD_DDIR_WRITE,
878 .help = "Sequential write",
879 },
880 { .ival = "randread",
881 .oval = TD_DDIR_RANDREAD,
882 .help = "Random read",
883 },
884 { .ival = "randwrite",
885 .oval = TD_DDIR_RANDWRITE,
886 .help = "Random write",
887 },
888 { .ival = "rw",
889 .oval = TD_DDIR_RW,
890 .help = "Sequential read and write mix",
891 },
892 { .ival = "randrw",
893 .oval = TD_DDIR_RANDRW,
894 .help = "Random read and write mix"
895 },
896 },
897 },
38dad62d
JA
898 {
899 .name = "rw_sequencer",
900 .type = FIO_OPT_STR,
901 .off1 = td_var_offset(rw_seq),
902 .help = "IO offset generator modifier",
903 .def = "sequential",
904 .posval = {
905 { .ival = "sequential",
906 .oval = RW_SEQ_SEQ,
907 .help = "Generate sequential offsets",
908 },
909 { .ival = "identical",
910 .oval = RW_SEQ_IDENT,
911 .help = "Generate identical offsets",
912 },
913 },
914 },
915
214e1eca
JA
916 {
917 .name = "ioengine",
918 .type = FIO_OPT_STR_STORE,
919 .off1 = td_var_offset(ioengine),
920 .help = "IO engine to use",
58483fa4 921 .def = FIO_PREFERRED_ENGINE,
214e1eca
JA
922 .posval = {
923 { .ival = "sync",
924 .help = "Use read/write",
925 },
a31041ea 926 { .ival = "psync",
927 .help = "Use pread/pwrite",
928 },
1d2af02a 929 { .ival = "vsync",
03e20d68 930 .help = "Use readv/writev",
1d2af02a 931 },
214e1eca
JA
932#ifdef FIO_HAVE_LIBAIO
933 { .ival = "libaio",
934 .help = "Linux native asynchronous IO",
935 },
936#endif
937#ifdef FIO_HAVE_POSIXAIO
938 { .ival = "posixaio",
939 .help = "POSIX asynchronous IO",
940 },
417f0068
JA
941#endif
942#ifdef FIO_HAVE_SOLARISAIO
943 { .ival = "solarisaio",
944 .help = "Solaris native asynchronous IO",
945 },
214e1eca 946#endif
03e20d68
BC
947#ifdef FIO_HAVE_WINDOWSAIO
948 { .ival = "windowsaio",
3be80071 949 .help = "Windows native asynchronous IO"
03e20d68 950 },
3be80071 951#endif
214e1eca 952 { .ival = "mmap",
03e20d68 953 .help = "Memory mapped IO"
214e1eca
JA
954 },
955#ifdef FIO_HAVE_SPLICE
956 { .ival = "splice",
957 .help = "splice/vmsplice based IO",
958 },
9cce02e8
JA
959 { .ival = "netsplice",
960 .help = "splice/vmsplice to/from the network",
961 },
214e1eca
JA
962#endif
963#ifdef FIO_HAVE_SGIO
964 { .ival = "sg",
965 .help = "SCSI generic v3 IO",
966 },
967#endif
968 { .ival = "null",
969 .help = "Testing engine (no data transfer)",
970 },
971 { .ival = "net",
972 .help = "Network IO",
973 },
974#ifdef FIO_HAVE_SYSLET
975 { .ival = "syslet-rw",
976 .help = "syslet enabled async pread/pwrite IO",
977 },
978#endif
979 { .ival = "cpuio",
03e20d68 980 .help = "CPU cycle burner engine",
214e1eca 981 },
b8c82a46
JA
982#ifdef FIO_HAVE_GUASI
983 { .ival = "guasi",
984 .help = "GUASI IO engine",
985 },
79a43187
JA
986#endif
987#ifdef FIO_HAVE_BINJECT
988 { .ival = "binject",
989 .help = "binject direct inject block engine",
990 },
b8c82a46 991#endif
214e1eca
JA
992 { .ival = "external",
993 .help = "Load external engine (append name)",
994 },
995 },
996 },
997 {
998 .name = "iodepth",
999 .type = FIO_OPT_INT,
1000 .off1 = td_var_offset(iodepth),
03e20d68 1001 .help = "Number of IO buffers to keep in flight",
757aff4f 1002 .minval = 1,
214e1eca
JA
1003 .def = "1",
1004 },
1005 {
1006 .name = "iodepth_batch",
4950421a 1007 .alias = "iodepth_batch_submit",
214e1eca
JA
1008 .type = FIO_OPT_INT,
1009 .off1 = td_var_offset(iodepth_batch),
d65db441 1010 .help = "Number of IO buffers to submit in one go",
afdf9352 1011 .parent = "iodepth",
a2e6f8ac
JA
1012 .minval = 1,
1013 .def = "1",
4950421a
JA
1014 },
1015 {
1016 .name = "iodepth_batch_complete",
1017 .type = FIO_OPT_INT,
1018 .off1 = td_var_offset(iodepth_batch_complete),
d65db441 1019 .help = "Number of IO buffers to retrieve in one go",
4950421a
JA
1020 .parent = "iodepth",
1021 .minval = 0,
1022 .def = "1",
214e1eca
JA
1023 },
1024 {
1025 .name = "iodepth_low",
1026 .type = FIO_OPT_INT,
1027 .off1 = td_var_offset(iodepth_low),
1028 .help = "Low water mark for queuing depth",
afdf9352 1029 .parent = "iodepth",
214e1eca
JA
1030 },
1031 {
1032 .name = "size",
1033 .type = FIO_OPT_STR_VAL,
2dc1bbeb 1034 .off1 = td_var_offset(size),
c3edbdba 1035 .minval = 1,
214e1eca
JA
1036 .help = "Total size of device or files",
1037 },
aa31f1f1
SL
1038 {
1039 .name = "fill_device",
74586c1e 1040 .alias = "fill_fs",
aa31f1f1
SL
1041 .type = FIO_OPT_BOOL,
1042 .off1 = td_var_offset(fill_device),
1043 .help = "Write until an ENOSPC error occurs",
1044 .def = "0",
1045 },
214e1eca
JA
1046 {
1047 .name = "filesize",
1048 .type = FIO_OPT_STR_VAL,
1049 .off1 = td_var_offset(file_size_low),
1050 .off2 = td_var_offset(file_size_high),
c3edbdba 1051 .minval = 1,
214e1eca
JA
1052 .help = "Size of individual files",
1053 },
67a1000f
JA
1054 {
1055 .name = "offset",
1056 .alias = "fileoffset",
1057 .type = FIO_OPT_STR_VAL,
1058 .off1 = td_var_offset(start_offset),
1059 .help = "Start IO from this offset",
1060 .def = "0",
1061 },
214e1eca
JA
1062 {
1063 .name = "bs",
d3aad8f2 1064 .alias = "blocksize",
e01b22b8 1065 .type = FIO_OPT_INT,
214e1eca
JA
1066 .off1 = td_var_offset(bs[DDIR_READ]),
1067 .off2 = td_var_offset(bs[DDIR_WRITE]),
c3edbdba 1068 .minval = 1,
214e1eca
JA
1069 .help = "Block size unit",
1070 .def = "4k",
67a1000f 1071 .parent = "rw",
214e1eca 1072 },
2b7a01d0
JA
1073 {
1074 .name = "ba",
1075 .alias = "blockalign",
e01b22b8 1076 .type = FIO_OPT_INT,
2b7a01d0
JA
1077 .off1 = td_var_offset(ba[DDIR_READ]),
1078 .off2 = td_var_offset(ba[DDIR_WRITE]),
1079 .minval = 1,
1080 .help = "IO block offset alignment",
1081 .parent = "rw",
1082 },
214e1eca
JA
1083 {
1084 .name = "bsrange",
d3aad8f2 1085 .alias = "blocksize_range",
214e1eca
JA
1086 .type = FIO_OPT_RANGE,
1087 .off1 = td_var_offset(min_bs[DDIR_READ]),
1088 .off2 = td_var_offset(max_bs[DDIR_READ]),
1089 .off3 = td_var_offset(min_bs[DDIR_WRITE]),
1090 .off4 = td_var_offset(max_bs[DDIR_WRITE]),
c3edbdba 1091 .minval = 1,
214e1eca 1092 .help = "Set block size range (in more detail than bs)",
67a1000f 1093 .parent = "rw",
214e1eca 1094 },
564ca972
JA
1095 {
1096 .name = "bssplit",
1097 .type = FIO_OPT_STR,
1098 .cb = str_bssplit_cb,
1099 .help = "Set a specific mix of block sizes",
1100 .parent = "rw",
1101 },
214e1eca
JA
1102 {
1103 .name = "bs_unaligned",
d3aad8f2 1104 .alias = "blocksize_unaligned",
214e1eca
JA
1105 .type = FIO_OPT_STR_SET,
1106 .off1 = td_var_offset(bs_unaligned),
1107 .help = "Don't sector align IO buffer sizes",
67a1000f 1108 .parent = "rw",
214e1eca
JA
1109 },
1110 {
1111 .name = "randrepeat",
1112 .type = FIO_OPT_BOOL,
1113 .off1 = td_var_offset(rand_repeatable),
1114 .help = "Use repeatable random IO pattern",
1115 .def = "1",
67a1000f 1116 .parent = "rw",
214e1eca 1117 },
2615cc4b
JA
1118 {
1119 .name = "use_os_rand",
1120 .type = FIO_OPT_BOOL,
1121 .off1 = td_var_offset(use_os_rand),
1122 .help = "Set to use OS random generator",
1123 .def = "0",
1124 .parent = "rw",
1125 },
214e1eca
JA
1126 {
1127 .name = "norandommap",
1128 .type = FIO_OPT_STR_SET,
1129 .off1 = td_var_offset(norandommap),
1130 .help = "Accept potential duplicate random blocks",
67a1000f 1131 .parent = "rw",
214e1eca 1132 },
2b386d25
JA
1133 {
1134 .name = "softrandommap",
1135 .type = FIO_OPT_BOOL,
1136 .off1 = td_var_offset(softrandommap),
f66ab3c8 1137 .help = "Set norandommap if randommap allocation fails",
2b386d25
JA
1138 .parent = "norandommap",
1139 .def = "0",
1140 },
214e1eca
JA
1141 {
1142 .name = "nrfiles",
d7c8be03 1143 .alias = "nr_files",
214e1eca
JA
1144 .type = FIO_OPT_INT,
1145 .off1 = td_var_offset(nr_files),
1146 .help = "Split job workload between this number of files",
1147 .def = "1",
1148 },
1149 {
1150 .name = "openfiles",
1151 .type = FIO_OPT_INT,
1152 .off1 = td_var_offset(open_files),
1153 .help = "Number of files to keep open at the same time",
1154 },
1155 {
1156 .name = "file_service_type",
1157 .type = FIO_OPT_STR,
1158 .cb = str_fst_cb,
1159 .off1 = td_var_offset(file_service_type),
1160 .help = "How to select which file to service next",
1161 .def = "roundrobin",
1162 .posval = {
1163 { .ival = "random",
1164 .oval = FIO_FSERVICE_RANDOM,
1165 .help = "Choose a file at random",
1166 },
1167 { .ival = "roundrobin",
1168 .oval = FIO_FSERVICE_RR,
1169 .help = "Round robin select files",
1170 },
a086c257
JA
1171 { .ival = "sequential",
1172 .oval = FIO_FSERVICE_SEQ,
1173 .help = "Finish one file before moving to the next",
1174 },
214e1eca 1175 },
67a1000f
JA
1176 .parent = "nrfiles",
1177 },
7bc8c2cf
JA
1178#ifdef FIO_HAVE_FALLOCATE
1179 {
1180 .name = "fallocate",
a596f047
EG
1181 .type = FIO_OPT_STR,
1182 .off1 = td_var_offset(fallocate_mode),
1183 .help = "Whether pre-allocation is performed when laying out files",
1184 .def = "posix",
1185 .posval = {
1186 { .ival = "none",
1187 .oval = FIO_FALLOCATE_NONE,
1188 .help = "Do not pre-allocate space",
1189 },
1190 { .ival = "posix",
1191 .oval = FIO_FALLOCATE_POSIX,
1192 .help = "Use posix_fallocate()",
1193 },
1194#ifdef FIO_HAVE_LINUX_FALLOCATE
1195 { .ival = "keep",
1196 .oval = FIO_FALLOCATE_KEEP_SIZE,
1197 .help = "Use fallocate(..., FALLOC_FL_KEEP_SIZE, ...)",
1198 },
7bc8c2cf 1199#endif
a596f047
EG
1200 /* Compatibility with former boolean values */
1201 { .ival = "0",
1202 .oval = FIO_FALLOCATE_NONE,
1203 .help = "Alias for 'none'",
1204 },
1205 { .ival = "1",
1206 .oval = FIO_FALLOCATE_POSIX,
1207 .help = "Alias for 'posix'",
1208 },
1209 },
1210 },
1211#endif /* FIO_HAVE_FALLOCATE */
67a1000f
JA
1212 {
1213 .name = "fadvise_hint",
1214 .type = FIO_OPT_BOOL,
1215 .off1 = td_var_offset(fadvise_hint),
1216 .help = "Use fadvise() to advise the kernel on IO pattern",
1217 .def = "1",
214e1eca
JA
1218 },
1219 {
1220 .name = "fsync",
1221 .type = FIO_OPT_INT,
1222 .off1 = td_var_offset(fsync_blocks),
1223 .help = "Issue fsync for writes every given number of blocks",
1224 .def = "0",
1225 },
5f9099ea
JA
1226 {
1227 .name = "fdatasync",
1228 .type = FIO_OPT_INT,
1229 .off1 = td_var_offset(fdatasync_blocks),
1230 .help = "Issue fdatasync for writes every given number of blocks",
1231 .def = "0",
1232 },
1ef2b6be
JA
1233 {
1234 .name = "write_barrier",
1235 .type = FIO_OPT_INT,
1236 .off1 = td_var_offset(barrier_blocks),
1237 .help = "Make every Nth write a barrier write",
1238 .def = "0",
1239 },
44f29692
JA
1240#ifdef FIO_HAVE_SYNC_FILE_RANGE
1241 {
1242 .name = "sync_file_range",
1243 .posval = {
1244 { .ival = "wait_before",
1245 .oval = SYNC_FILE_RANGE_WAIT_BEFORE,
1246 .help = "SYNC_FILE_RANGE_WAIT_BEFORE",
3843deb3 1247 .or = 1,
44f29692
JA
1248 },
1249 { .ival = "write",
1250 .oval = SYNC_FILE_RANGE_WRITE,
1251 .help = "SYNC_FILE_RANGE_WRITE",
3843deb3 1252 .or = 1,
44f29692
JA
1253 },
1254 {
1255 .ival = "wait_after",
1256 .oval = SYNC_FILE_RANGE_WAIT_AFTER,
1257 .help = "SYNC_FILE_RANGE_WAIT_AFTER",
3843deb3 1258 .or = 1,
44f29692
JA
1259 },
1260 },
3843deb3 1261 .type = FIO_OPT_STR_MULTI,
44f29692
JA
1262 .cb = str_sfr_cb,
1263 .off1 = td_var_offset(sync_file_range),
1264 .help = "Use sync_file_range()",
1265 },
1266#endif
214e1eca
JA
1267 {
1268 .name = "direct",
1269 .type = FIO_OPT_BOOL,
1270 .off1 = td_var_offset(odirect),
1271 .help = "Use O_DIRECT IO (negates buffered)",
1272 .def = "0",
1273 },
1274 {
1275 .name = "buffered",
1276 .type = FIO_OPT_BOOL,
1277 .off1 = td_var_offset(odirect),
1278 .neg = 1,
1279 .help = "Use buffered IO (negates direct)",
1280 .def = "1",
1281 },
1282 {
1283 .name = "overwrite",
1284 .type = FIO_OPT_BOOL,
1285 .off1 = td_var_offset(overwrite),
1286 .help = "When writing, set whether to overwrite current data",
1287 .def = "0",
1288 },
1289 {
1290 .name = "loops",
1291 .type = FIO_OPT_INT,
1292 .off1 = td_var_offset(loops),
1293 .help = "Number of times to run the job",
1294 .def = "1",
1295 },
1296 {
1297 .name = "numjobs",
1298 .type = FIO_OPT_INT,
1299 .off1 = td_var_offset(numjobs),
1300 .help = "Duplicate this job this many times",
1301 .def = "1",
1302 },
1303 {
1304 .name = "startdelay",
a5737c93 1305 .type = FIO_OPT_STR_VAL_TIME,
214e1eca
JA
1306 .off1 = td_var_offset(start_delay),
1307 .help = "Only start job when this period has passed",
1308 .def = "0",
1309 },
1310 {
1311 .name = "runtime",
1312 .alias = "timeout",
1313 .type = FIO_OPT_STR_VAL_TIME,
1314 .off1 = td_var_offset(timeout),
1315 .help = "Stop workload when this amount of time has passed",
1316 .def = "0",
1317 },
cf4464ca
JA
1318 {
1319 .name = "time_based",
1320 .type = FIO_OPT_STR_SET,
1321 .off1 = td_var_offset(time_based),
1322 .help = "Keep running until runtime/timeout is met",
1323 },
721938ae
JA
1324 {
1325 .name = "ramp_time",
1326 .type = FIO_OPT_STR_VAL_TIME,
1327 .off1 = td_var_offset(ramp_time),
1328 .help = "Ramp up time before measuring performance",
1329 },
c223da83
JA
1330 {
1331 .name = "clocksource",
1332 .type = FIO_OPT_STR,
1333 .cb = fio_clock_source_cb,
1334 .off1 = td_var_offset(clocksource),
1335 .help = "What type of timing source to use",
c223da83
JA
1336 .posval = {
1337 { .ival = "gettimeofday",
1338 .oval = CS_GTOD,
1339 .help = "Use gettimeofday(2) for timing",
1340 },
1341 { .ival = "clock_gettime",
1342 .oval = CS_CGETTIME,
1343 .help = "Use clock_gettime(2) for timing",
1344 },
1345#ifdef ARCH_HAVE_CPU_CLOCK
1346 { .ival = "cpu",
1347 .oval = CS_CPUCLOCK,
1348 .help = "Use CPU private clock",
1349 },
1350#endif
1351 },
1352 },
214e1eca
JA
1353 {
1354 .name = "mem",
d3aad8f2 1355 .alias = "iomem",
214e1eca
JA
1356 .type = FIO_OPT_STR,
1357 .cb = str_mem_cb,
1358 .off1 = td_var_offset(mem_type),
1359 .help = "Backing type for IO buffers",
1360 .def = "malloc",
1361 .posval = {
1362 { .ival = "malloc",
1363 .oval = MEM_MALLOC,
1364 .help = "Use malloc(3) for IO buffers",
1365 },
37c8cdfe
JA
1366 { .ival = "shm",
1367 .oval = MEM_SHM,
1368 .help = "Use shared memory segments for IO buffers",
1369 },
214e1eca
JA
1370#ifdef FIO_HAVE_HUGETLB
1371 { .ival = "shmhuge",
1372 .oval = MEM_SHMHUGE,
1373 .help = "Like shm, but use huge pages",
1374 },
b370e46a 1375#endif
37c8cdfe
JA
1376 { .ival = "mmap",
1377 .oval = MEM_MMAP,
1378 .help = "Use mmap(2) (file or anon) for IO buffers",
1379 },
214e1eca
JA
1380#ifdef FIO_HAVE_HUGETLB
1381 { .ival = "mmaphuge",
1382 .oval = MEM_MMAPHUGE,
1383 .help = "Like mmap, but use huge pages",
1384 },
1385#endif
1386 },
1387 },
d529ee19
JA
1388 {
1389 .name = "iomem_align",
1390 .alias = "mem_align",
1391 .type = FIO_OPT_INT,
1392 .off1 = td_var_offset(mem_align),
1393 .minval = 0,
1394 .help = "IO memory buffer offset alignment",
1395 .def = "0",
1396 .parent = "iomem",
1397 },
214e1eca
JA
1398 {
1399 .name = "verify",
1400 .type = FIO_OPT_STR,
1401 .off1 = td_var_offset(verify),
1402 .help = "Verify data written",
5d7c5d34 1403 .cb = str_verify_cb,
214e1eca
JA
1404 .def = "0",
1405 .posval = {
1406 { .ival = "0",
1407 .oval = VERIFY_NONE,
1408 .help = "Don't do IO verification",
1409 },
fcca4b58
JA
1410 { .ival = "md5",
1411 .oval = VERIFY_MD5,
1412 .help = "Use md5 checksums for verification",
1413 },
d77a7af3
JA
1414 { .ival = "crc64",
1415 .oval = VERIFY_CRC64,
1416 .help = "Use crc64 checksums for verification",
1417 },
214e1eca
JA
1418 { .ival = "crc32",
1419 .oval = VERIFY_CRC32,
1420 .help = "Use crc32 checksums for verification",
1421 },
af497e6a
JA
1422 { .ival = "crc32c-intel",
1423 .oval = VERIFY_CRC32C_INTEL,
1424 .help = "Use hw crc32c checksums for verification",
1425 },
bac39e0e
JA
1426 { .ival = "crc32c",
1427 .oval = VERIFY_CRC32C,
1428 .help = "Use crc32c checksums for verification",
1429 },
969f7ed3
JA
1430 { .ival = "crc16",
1431 .oval = VERIFY_CRC16,
1432 .help = "Use crc16 checksums for verification",
1433 },
1e154bdb
JA
1434 { .ival = "crc7",
1435 .oval = VERIFY_CRC7,
1436 .help = "Use crc7 checksums for verification",
1437 },
7c353ceb
JA
1438 { .ival = "sha1",
1439 .oval = VERIFY_SHA1,
1440 .help = "Use sha1 checksums for verification",
1441 },
cd14cc10
JA
1442 { .ival = "sha256",
1443 .oval = VERIFY_SHA256,
1444 .help = "Use sha256 checksums for verification",
1445 },
1446 { .ival = "sha512",
1447 .oval = VERIFY_SHA512,
1448 .help = "Use sha512 checksums for verification",
1449 },
7437ee87
SL
1450 { .ival = "meta",
1451 .oval = VERIFY_META,
1452 .help = "Use io information",
1453 },
36690c9b
JA
1454 {
1455 .ival = "null",
1456 .oval = VERIFY_NULL,
1457 .help = "Pretend to verify",
1458 },
214e1eca
JA
1459 },
1460 },
005c565a
JA
1461 {
1462 .name = "do_verify",
68e1f29a 1463 .type = FIO_OPT_BOOL,
005c565a
JA
1464 .off1 = td_var_offset(do_verify),
1465 .help = "Run verification stage after write",
1466 .def = "1",
1467 .parent = "verify",
1468 },
160b966d
JA
1469 {
1470 .name = "verifysort",
1471 .type = FIO_OPT_BOOL,
1472 .off1 = td_var_offset(verifysort),
1473 .help = "Sort written verify blocks for read back",
1474 .def = "1",
c83f2df1 1475 .parent = "verify",
160b966d 1476 },
3f9f4e26 1477 {
a59e170d 1478 .name = "verify_interval",
e01b22b8 1479 .type = FIO_OPT_INT,
a59e170d 1480 .off1 = td_var_offset(verify_interval),
819a9680 1481 .minval = 2 * sizeof(struct verify_header),
a59e170d 1482 .help = "Store verify buffer header every N bytes",
afdf9352 1483 .parent = "verify",
3f9f4e26 1484 },
546a9142 1485 {
a59e170d 1486 .name = "verify_offset",
e01b22b8 1487 .type = FIO_OPT_INT,
a59e170d 1488 .help = "Offset verify header location by N bytes",
546a9142 1489 .def = "0",
5ec10eaa 1490 .cb = str_verify_offset_cb,
afdf9352 1491 .parent = "verify",
546a9142 1492 },
e28218f3
SL
1493 {
1494 .name = "verify_pattern",
0e92f873 1495 .type = FIO_OPT_STR,
e28218f3
SL
1496 .cb = str_verify_pattern_cb,
1497 .help = "Fill pattern for IO buffers",
1498 .parent = "verify",
1499 },
a12a3b4d
JA
1500 {
1501 .name = "verify_fatal",
68e1f29a 1502 .type = FIO_OPT_BOOL,
a12a3b4d
JA
1503 .off1 = td_var_offset(verify_fatal),
1504 .def = "0",
1505 .help = "Exit on a single verify failure, don't continue",
1506 .parent = "verify",
1507 },
b463e936
JA
1508 {
1509 .name = "verify_dump",
1510 .type = FIO_OPT_BOOL,
1511 .off1 = td_var_offset(verify_dump),
1512 .def = "1",
1513 .help = "Dump contents of good and bad blocks on failure",
1514 .parent = "verify",
1515 },
e8462bd8
JA
1516 {
1517 .name = "verify_async",
1518 .type = FIO_OPT_INT,
1519 .off1 = td_var_offset(verify_async),
1520 .def = "0",
1521 .help = "Number of async verifier threads to use",
1522 .parent = "verify",
1523 },
9e144189
JA
1524 {
1525 .name = "verify_backlog",
1526 .type = FIO_OPT_STR_VAL,
1527 .off1 = td_var_offset(verify_backlog),
1528 .help = "Verify after this number of blocks are written",
1529 .parent = "verify",
1530 },
1531 {
1532 .name = "verify_backlog_batch",
1533 .type = FIO_OPT_INT,
1534 .off1 = td_var_offset(verify_batch),
1535 .help = "Verify this number of IO blocks",
0d29de83 1536 .parent = "verify",
9e144189 1537 },
e8462bd8
JA
1538#ifdef FIO_HAVE_CPU_AFFINITY
1539 {
1540 .name = "verify_async_cpus",
1541 .type = FIO_OPT_STR,
1542 .cb = str_verify_cpus_allowed_cb,
1543 .help = "Set CPUs allowed for async verify threads",
1544 .parent = "verify_async",
1545 },
0d29de83
JA
1546#endif
1547#ifdef FIO_HAVE_TRIM
1548 {
1549 .name = "trim_percentage",
1550 .type = FIO_OPT_INT,
1551 .cb = str_verify_trim_cb,
1552 .maxval = 100,
1553 .help = "Number of verify blocks to discard/trim",
1554 .parent = "verify",
1555 .def = "0",
1556 },
1557 {
1558 .name = "trim_verify_zero",
1559 .type = FIO_OPT_INT,
1560 .help = "Verify that trim/discarded blocks are returned as zeroes",
1561 .off1 = td_var_offset(trim_zero),
1562 .parent = "trim_percentage",
1563 .def = "1",
1564 },
1565 {
1566 .name = "trim_backlog",
1567 .type = FIO_OPT_STR_VAL,
1568 .off1 = td_var_offset(trim_backlog),
1569 .help = "Trim after this number of blocks are written",
1570 .parent = "trim_percentage",
1571 },
1572 {
1573 .name = "trim_backlog_batch",
1574 .type = FIO_OPT_INT,
1575 .off1 = td_var_offset(trim_batch),
1576 .help = "Trim this number of IO blocks",
1577 .parent = "trim_percentage",
1578 },
e8462bd8 1579#endif
214e1eca
JA
1580 {
1581 .name = "write_iolog",
1582 .type = FIO_OPT_STR_STORE,
1583 .off1 = td_var_offset(write_iolog_file),
1584 .help = "Store IO pattern to file",
1585 },
1586 {
1587 .name = "read_iolog",
1588 .type = FIO_OPT_STR_STORE,
1589 .off1 = td_var_offset(read_iolog_file),
1590 .help = "Playback IO pattern from file",
1591 },
64bbb865
DN
1592 {
1593 .name = "replay_no_stall",
1594 .type = FIO_OPT_INT,
1595 .off1 = td_var_offset(no_stall),
1596 .def = "0",
87e7a972 1597 .parent = "read_iolog",
64bbb865
DN
1598 .help = "Playback IO pattern file as fast as possible without stalls",
1599 },
d1c46c04
DN
1600 {
1601 .name = "replay_redirect",
1602 .type = FIO_OPT_STR_STORE,
1603 .off1 = td_var_offset(replay_redirect),
1604 .parent = "read_iolog",
1605 .help = "Replay all I/O onto this device, regardless of trace device",
1606 },
214e1eca
JA
1607 {
1608 .name = "exec_prerun",
1609 .type = FIO_OPT_STR_STORE,
1610 .off1 = td_var_offset(exec_prerun),
1611 .help = "Execute this file prior to running job",
1612 },
1613 {
1614 .name = "exec_postrun",
1615 .type = FIO_OPT_STR_STORE,
1616 .off1 = td_var_offset(exec_postrun),
1617 .help = "Execute this file after running job",
1618 },
1619#ifdef FIO_HAVE_IOSCHED_SWITCH
1620 {
1621 .name = "ioscheduler",
1622 .type = FIO_OPT_STR_STORE,
1623 .off1 = td_var_offset(ioscheduler),
1624 .help = "Use this IO scheduler on the backing device",
1625 },
1626#endif
1627 {
1628 .name = "zonesize",
1629 .type = FIO_OPT_STR_VAL,
1630 .off1 = td_var_offset(zone_size),
1631 .help = "Give size of an IO zone",
1632 .def = "0",
1633 },
1634 {
1635 .name = "zoneskip",
1636 .type = FIO_OPT_STR_VAL,
1637 .off1 = td_var_offset(zone_skip),
1638 .help = "Space between IO zones",
1639 .def = "0",
1640 },
1641 {
1642 .name = "lockmem",
1643 .type = FIO_OPT_STR_VAL,
1644 .cb = str_lockmem_cb,
1645 .help = "Lock down this amount of memory",
1646 .def = "0",
1647 },
214e1eca
JA
1648 {
1649 .name = "rwmixread",
1650 .type = FIO_OPT_INT,
cb499fc4 1651 .cb = str_rwmix_read_cb,
214e1eca
JA
1652 .maxval = 100,
1653 .help = "Percentage of mixed workload that is reads",
1654 .def = "50",
1655 },
1656 {
1657 .name = "rwmixwrite",
1658 .type = FIO_OPT_INT,
cb499fc4 1659 .cb = str_rwmix_write_cb,
214e1eca
JA
1660 .maxval = 100,
1661 .help = "Percentage of mixed workload that is writes",
1662 .def = "50",
1663 },
afdf9352
JA
1664 {
1665 .name = "rwmixcycle",
15ca150e 1666 .type = FIO_OPT_DEPRECATED,
afdf9352 1667 },
214e1eca
JA
1668 {
1669 .name = "nice",
1670 .type = FIO_OPT_INT,
1671 .off1 = td_var_offset(nice),
1672 .help = "Set job CPU nice value",
1673 .minval = -19,
1674 .maxval = 20,
1675 .def = "0",
1676 },
1677#ifdef FIO_HAVE_IOPRIO
1678 {
1679 .name = "prio",
1680 .type = FIO_OPT_INT,
1681 .cb = str_prio_cb,
1682 .help = "Set job IO priority value",
1683 .minval = 0,
1684 .maxval = 7,
1685 },
1686 {
1687 .name = "prioclass",
1688 .type = FIO_OPT_INT,
1689 .cb = str_prioclass_cb,
1690 .help = "Set job IO priority class",
1691 .minval = 0,
1692 .maxval = 3,
1693 },
1694#endif
1695 {
1696 .name = "thinktime",
1697 .type = FIO_OPT_INT,
1698 .off1 = td_var_offset(thinktime),
1699 .help = "Idle time between IO buffers (usec)",
1700 .def = "0",
1701 },
1702 {
1703 .name = "thinktime_spin",
1704 .type = FIO_OPT_INT,
1705 .off1 = td_var_offset(thinktime_spin),
1706 .help = "Start think time by spinning this amount (usec)",
1707 .def = "0",
afdf9352 1708 .parent = "thinktime",
214e1eca
JA
1709 },
1710 {
1711 .name = "thinktime_blocks",
1712 .type = FIO_OPT_INT,
1713 .off1 = td_var_offset(thinktime_blocks),
1714 .help = "IO buffer period between 'thinktime'",
1715 .def = "1",
afdf9352 1716 .parent = "thinktime",
214e1eca
JA
1717 },
1718 {
1719 .name = "rate",
e01b22b8 1720 .type = FIO_OPT_INT,
581e7141
JA
1721 .off1 = td_var_offset(rate[0]),
1722 .off2 = td_var_offset(rate[1]),
214e1eca
JA
1723 .help = "Set bandwidth rate",
1724 },
1725 {
1726 .name = "ratemin",
e01b22b8 1727 .type = FIO_OPT_INT,
581e7141
JA
1728 .off1 = td_var_offset(ratemin[0]),
1729 .off2 = td_var_offset(ratemin[1]),
4e991c23 1730 .help = "Job must meet this rate or it will be shutdown",
afdf9352 1731 .parent = "rate",
4e991c23
JA
1732 },
1733 {
1734 .name = "rate_iops",
e01b22b8 1735 .type = FIO_OPT_INT,
581e7141
JA
1736 .off1 = td_var_offset(rate_iops[0]),
1737 .off2 = td_var_offset(rate_iops[1]),
4e991c23
JA
1738 .help = "Limit IO used to this number of IO operations/sec",
1739 },
1740 {
1741 .name = "rate_iops_min",
e01b22b8 1742 .type = FIO_OPT_INT,
581e7141
JA
1743 .off1 = td_var_offset(rate_iops_min[0]),
1744 .off2 = td_var_offset(rate_iops_min[1]),
03e20d68 1745 .help = "Job must meet this rate or it will be shut down",
afdf9352 1746 .parent = "rate_iops",
214e1eca
JA
1747 },
1748 {
1749 .name = "ratecycle",
1750 .type = FIO_OPT_INT,
1751 .off1 = td_var_offset(ratecycle),
1752 .help = "Window average for rate limits (msec)",
1753 .def = "1000",
afdf9352 1754 .parent = "rate",
214e1eca
JA
1755 },
1756 {
1757 .name = "invalidate",
1758 .type = FIO_OPT_BOOL,
1759 .off1 = td_var_offset(invalidate_cache),
1760 .help = "Invalidate buffer/page cache prior to running job",
1761 .def = "1",
1762 },
1763 {
1764 .name = "sync",
1765 .type = FIO_OPT_BOOL,
1766 .off1 = td_var_offset(sync_io),
1767 .help = "Use O_SYNC for buffered writes",
1768 .def = "0",
67a1000f 1769 .parent = "buffered",
214e1eca
JA
1770 },
1771 {
1772 .name = "bwavgtime",
1773 .type = FIO_OPT_INT,
1774 .off1 = td_var_offset(bw_avg_time),
5ec10eaa
JA
1775 .help = "Time window over which to calculate bandwidth"
1776 " (msec)",
214e1eca
JA
1777 .def = "500",
1778 },
1779 {
1780 .name = "create_serialize",
1781 .type = FIO_OPT_BOOL,
1782 .off1 = td_var_offset(create_serialize),
1783 .help = "Serialize creating of job files",
1784 .def = "1",
1785 },
1786 {
1787 .name = "create_fsync",
1788 .type = FIO_OPT_BOOL,
1789 .off1 = td_var_offset(create_fsync),
03e20d68 1790 .help = "fsync file after creation",
214e1eca
JA
1791 .def = "1",
1792 },
814452bd
JA
1793 {
1794 .name = "create_on_open",
1795 .type = FIO_OPT_BOOL,
1796 .off1 = td_var_offset(create_on_open),
1797 .help = "Create files when they are opened for IO",
1798 .def = "0",
1799 },
0b9d69ec 1800 {
afad68f7
ZY
1801 .name = "pre_read",
1802 .type = FIO_OPT_BOOL,
1803 .off1 = td_var_offset(pre_read),
03e20d68 1804 .help = "Pre-read files before starting official testing",
afad68f7
ZY
1805 .def = "0",
1806 },
214e1eca
JA
1807 {
1808 .name = "cpuload",
1809 .type = FIO_OPT_INT,
1810 .off1 = td_var_offset(cpuload),
1811 .help = "Use this percentage of CPU",
1812 },
1813 {
1814 .name = "cpuchunks",
1815 .type = FIO_OPT_INT,
1816 .off1 = td_var_offset(cpucycle),
1817 .help = "Length of the CPU burn cycles (usecs)",
1818 .def = "50000",
67a1000f 1819 .parent = "cpuload",
214e1eca
JA
1820 },
1821#ifdef FIO_HAVE_CPU_AFFINITY
1822 {
1823 .name = "cpumask",
1824 .type = FIO_OPT_INT,
1825 .cb = str_cpumask_cb,
1826 .help = "CPU affinity mask",
1827 },
d2e268b0
JA
1828 {
1829 .name = "cpus_allowed",
1830 .type = FIO_OPT_STR,
1831 .cb = str_cpus_allowed_cb,
1832 .help = "Set CPUs allowed",
1833 },
214e1eca
JA
1834#endif
1835 {
1836 .name = "end_fsync",
1837 .type = FIO_OPT_BOOL,
1838 .off1 = td_var_offset(end_fsync),
1839 .help = "Include fsync at the end of job",
1840 .def = "0",
1841 },
1842 {
1843 .name = "fsync_on_close",
1844 .type = FIO_OPT_BOOL,
1845 .off1 = td_var_offset(fsync_on_close),
1846 .help = "fsync files on close",
1847 .def = "0",
1848 },
1849 {
1850 .name = "unlink",
1851 .type = FIO_OPT_BOOL,
1852 .off1 = td_var_offset(unlink),
1853 .help = "Unlink created files after job has completed",
1854 .def = "0",
1855 },
1856 {
1857 .name = "exitall",
1858 .type = FIO_OPT_STR_SET,
1859 .cb = str_exitall_cb,
1860 .help = "Terminate all jobs when one exits",
1861 },
1862 {
1863 .name = "stonewall",
1864 .type = FIO_OPT_STR_SET,
1865 .off1 = td_var_offset(stonewall),
1866 .help = "Insert a hard barrier between this job and previous",
1867 },
b3d62a75
JA
1868 {
1869 .name = "new_group",
1870 .type = FIO_OPT_STR_SET,
1871 .off1 = td_var_offset(new_group),
1872 .help = "Mark the start of a new group (for reporting)",
1873 },
214e1eca
JA
1874 {
1875 .name = "thread",
1876 .type = FIO_OPT_STR_SET,
1877 .off1 = td_var_offset(use_thread),
1878 .help = "Use threads instead of forks",
1879 },
1880 {
1881 .name = "write_bw_log",
e3cedca7 1882 .type = FIO_OPT_STR,
214e1eca 1883 .off1 = td_var_offset(write_bw_log),
e3cedca7 1884 .cb = str_write_bw_log_cb,
214e1eca
JA
1885 .help = "Write log of bandwidth during run",
1886 },
1887 {
1888 .name = "write_lat_log",
e3cedca7 1889 .type = FIO_OPT_STR,
214e1eca 1890 .off1 = td_var_offset(write_lat_log),
e3cedca7 1891 .cb = str_write_lat_log_cb,
214e1eca
JA
1892 .help = "Write log of latency during run",
1893 },
1894 {
1895 .name = "hugepage-size",
e01b22b8 1896 .type = FIO_OPT_INT,
214e1eca
JA
1897 .off1 = td_var_offset(hugepage_size),
1898 .help = "When using hugepages, specify size of each page",
1899 .def = __stringify(FIO_HUGE_PAGE),
1900 },
1901 {
1902 .name = "group_reporting",
1903 .type = FIO_OPT_STR_SET,
1904 .off1 = td_var_offset(group_reporting),
1905 .help = "Do reporting on a per-group basis",
1906 },
e9459e5a
JA
1907 {
1908 .name = "zero_buffers",
1909 .type = FIO_OPT_STR_SET,
1910 .off1 = td_var_offset(zero_buffers),
1911 .help = "Init IO buffers to all zeroes",
1912 },
5973cafb
JA
1913 {
1914 .name = "refill_buffers",
1915 .type = FIO_OPT_STR_SET,
1916 .off1 = td_var_offset(refill_buffers),
1917 .help = "Refill IO buffers on every IO submit",
1918 },
0a839f30
JA
1919#ifdef FIO_HAVE_DISK_UTIL
1920 {
1921 .name = "disk_util",
1922 .type = FIO_OPT_BOOL,
1923 .off1 = td_var_offset(do_disk_util),
f66ab3c8 1924 .help = "Log disk utilization statistics",
0a839f30
JA
1925 .def = "1",
1926 },
1927#endif
993bf48b
JA
1928 {
1929 .name = "gtod_reduce",
1930 .type = FIO_OPT_BOOL,
1931 .help = "Greatly reduce number of gettimeofday() calls",
1932 .cb = str_gtod_reduce_cb,
1933 .def = "0",
1934 },
02af0988
JA
1935 {
1936 .name = "disable_lat",
1937 .type = FIO_OPT_BOOL,
1938 .off1 = td_var_offset(disable_lat),
1939 .help = "Disable latency numbers",
1940 .parent = "gtod_reduce",
1941 .def = "0",
1942 },
9520ebb9
JA
1943 {
1944 .name = "disable_clat",
1945 .type = FIO_OPT_BOOL,
1946 .off1 = td_var_offset(disable_clat),
1947 .help = "Disable completion latency numbers",
993bf48b 1948 .parent = "gtod_reduce",
9520ebb9
JA
1949 .def = "0",
1950 },
1951 {
1952 .name = "disable_slat",
1953 .type = FIO_OPT_BOOL,
1954 .off1 = td_var_offset(disable_slat),
03e20d68 1955 .help = "Disable submission latency numbers",
993bf48b 1956 .parent = "gtod_reduce",
9520ebb9
JA
1957 .def = "0",
1958 },
1959 {
1960 .name = "disable_bw_measurement",
1961 .type = FIO_OPT_BOOL,
1962 .off1 = td_var_offset(disable_bw),
1963 .help = "Disable bandwidth logging",
993bf48b 1964 .parent = "gtod_reduce",
9520ebb9
JA
1965 .def = "0",
1966 },
be4ecfdf
JA
1967 {
1968 .name = "gtod_cpu",
1969 .type = FIO_OPT_INT,
1970 .cb = str_gtod_cpu_cb,
03e20d68 1971 .help = "Set up dedicated gettimeofday() thread on this CPU",
29d43ff9 1972 .verify = gtod_cpu_verify,
be4ecfdf 1973 },
f2bba182
RR
1974 {
1975 .name = "continue_on_error",
1976 .type = FIO_OPT_BOOL,
1977 .off1 = td_var_offset(continue_on_error),
03e20d68 1978 .help = "Continue on non-fatal errors during IO",
f2bba182
RR
1979 .def = "0",
1980 },
9ac8a797
JA
1981 {
1982 .name = "profile",
79d16311 1983 .type = FIO_OPT_STR_STORE,
9ac8a797 1984 .off1 = td_var_offset(profile),
9ac8a797
JA
1985 .help = "Select a specific builtin performance test",
1986 },
a696fa2a
JA
1987 {
1988 .name = "cgroup",
1989 .type = FIO_OPT_STR_STORE,
1990 .off1 = td_var_offset(cgroup),
1991 .help = "Add job to cgroup of this name",
1992 },
1993 {
1994 .name = "cgroup_weight",
1995 .type = FIO_OPT_INT,
1996 .off1 = td_var_offset(cgroup_weight),
1997 .help = "Use given weight for cgroup",
1998 .minval = 100,
1999 .maxval = 1000,
a696fa2a 2000 },
7de87099
VG
2001 {
2002 .name = "cgroup_nodelete",
2003 .type = FIO_OPT_BOOL,
2004 .off1 = td_var_offset(cgroup_nodelete),
2005 .help = "Do not delete cgroups after job completion",
2006 .def = "0",
2007 },
e0b0d892
JA
2008 {
2009 .name = "uid",
2010 .type = FIO_OPT_INT,
2011 .off1 = td_var_offset(uid),
2012 .help = "Run job with this user ID",
2013 },
2014 {
2015 .name = "gid",
2016 .type = FIO_OPT_INT,
2017 .off1 = td_var_offset(gid),
2018 .help = "Run job with this group ID",
2019 },
214e1eca
JA
2020 {
2021 .name = NULL,
2022 },
2023};
2024
17af15d4
JA
2025static void add_to_lopt(struct option *lopt, struct fio_option *o,
2026 const char *name)
9f81736c 2027{
17af15d4 2028 lopt->name = (char *) name;
9f81736c
JA
2029 lopt->val = FIO_GETOPT_JOB;
2030 if (o->type == FIO_OPT_STR_SET)
2031 lopt->has_arg = no_argument;
2032 else
2033 lopt->has_arg = required_argument;
2034}
2035
214e1eca
JA
2036void fio_options_dup_and_init(struct option *long_options)
2037{
2038 struct fio_option *o;
2039 unsigned int i;
2040
2041 options_init(options);
2042
2043 i = 0;
2044 while (long_options[i].name)
2045 i++;
2046
2047 o = &options[0];
2048 while (o->name) {
17af15d4
JA
2049 add_to_lopt(&long_options[i], o, o->name);
2050 if (o->alias) {
2051 i++;
2052 add_to_lopt(&long_options[i], o, o->alias);
2053 }
214e1eca
JA
2054
2055 i++;
2056 o++;
2057 assert(i < FIO_NR_OPTIONS);
2058 }
2059}
2060
74929ac2
JA
2061struct fio_keyword {
2062 const char *word;
2063 const char *desc;
2064 char *replace;
2065};
2066
2067static struct fio_keyword fio_keywords[] = {
2068 {
2069 .word = "$pagesize",
2070 .desc = "Page size in the system",
2071 },
2072 {
2073 .word = "$mb_memory",
2074 .desc = "Megabytes of memory online",
2075 },
2076 {
2077 .word = "$ncpus",
2078 .desc = "Number of CPUs online in the system",
2079 },
2080 {
2081 .word = NULL,
2082 },
2083};
2084
2085void fio_keywords_init(void)
2086{
3b2e1464 2087 unsigned long long mb_memory;
74929ac2
JA
2088 char buf[128];
2089 long l;
2090
2091 sprintf(buf, "%lu", page_size);
2092 fio_keywords[0].replace = strdup(buf);
2093
8eb016d3 2094 mb_memory = os_phys_mem() / (1024 * 1024);
3b2e1464 2095 sprintf(buf, "%llu", mb_memory);
74929ac2
JA
2096 fio_keywords[1].replace = strdup(buf);
2097
c00a2289 2098 l = cpus_online();
74929ac2
JA
2099 sprintf(buf, "%lu", l);
2100 fio_keywords[2].replace = strdup(buf);
2101}
2102
892a6ffc
JA
2103#define BC_APP "bc"
2104
2105static char *bc_calc(char *str)
2106{
2107 char *buf, *tmp, opt[80];
2108 FILE *f;
2109 int ret;
2110
2111 /*
2112 * No math, just return string
2113 */
2114 if (!strchr(str, '+') && !strchr(str, '-') && !strchr(str, '*') &&
2115 !strchr(str, '/'))
2116 return str;
2117
2118 /*
2119 * Split option from value, we only need to calculate the value
2120 */
2121 tmp = strchr(str, '=');
2122 if (!tmp)
2123 return str;
2124
2125 tmp++;
9ac8a797 2126 memset(opt, 0, sizeof(opt));
892a6ffc
JA
2127 strncpy(opt, str, tmp - str);
2128
2129 buf = malloc(128);
2130
2131 sprintf(buf, "which %s > /dev/null", BC_APP);
2132 if (system(buf)) {
2133 log_err("fio: bc is needed for performing math\n");
2134 free(buf);
2135 return NULL;
2136 }
2137
2138 sprintf(buf, "echo %s | %s", tmp, BC_APP);
2139 f = popen(buf, "r");
2140 if (!f) {
2141 free(buf);
2142 return NULL;
2143 }
2144
2145 ret = fread(buf, 1, 128, f);
2146 if (ret <= 0) {
2147 free(buf);
2148 return NULL;
2149 }
2150
2151 buf[ret - 1] = '\0';
2152 strcat(opt, buf);
2153 strcpy(buf, opt);
2154 pclose(f);
2155 free(str);
2156 return buf;
2157}
2158
74929ac2
JA
2159/*
2160 * Look for reserved variable names and replace them with real values
2161 */
2162static char *fio_keyword_replace(char *opt)
2163{
2164 char *s;
2165 int i;
2166
2167 for (i = 0; fio_keywords[i].word != NULL; i++) {
2168 struct fio_keyword *kw = &fio_keywords[i];
2169
2170 while ((s = strstr(opt, kw->word)) != NULL) {
2171 char *new = malloc(strlen(opt) + 1);
2172 char *o_org = opt;
2173 int olen = s - opt;
2174 int len;
2175
2176 /*
2177 * Copy part of the string before the keyword and
2178 * sprintf() the replacement after it.
2179 */
2180 memcpy(new, opt, olen);
2181 len = sprintf(new + olen, "%s", kw->replace);
2182
2183 /*
2184 * If there's more in the original string, copy that
2185 * in too
2186 */
2187 opt += strlen(kw->word) + olen;
2188 if (strlen(opt))
2189 memcpy(new + olen + len, opt, opt - o_org - 1);
2190
2191 /*
2192 * replace opt and free the old opt
2193 */
2194 opt = new;
9ac8a797 2195 //free(o_org);
7a958bd5
JA
2196
2197 /*
2198 * Check for potential math and invoke bc, if possible
2199 */
2200 opt = bc_calc(opt);
74929ac2
JA
2201 }
2202 }
2203
7a958bd5 2204 return opt;
74929ac2
JA
2205}
2206
3b8b7135 2207int fio_options_parse(struct thread_data *td, char **opts, int num_opts)
214e1eca 2208{
3b8b7135
JA
2209 int i, ret;
2210
2211 sort_options(opts, options, num_opts);
2212
74929ac2
JA
2213 for (ret = 0, i = 0; i < num_opts; i++) {
2214 opts[i] = fio_keyword_replace(opts[i]);
07b3232d 2215 ret |= parse_option(opts[i], options, td);
74929ac2 2216 }
3b8b7135
JA
2217
2218 return ret;
214e1eca
JA
2219}
2220
2221int fio_cmd_option_parse(struct thread_data *td, const char *opt, char *val)
2222{
07b3232d 2223 return parse_cmd_option(opt, val, options, td);
214e1eca
JA
2224}
2225
2226void fio_fill_default_options(struct thread_data *td)
2227{
2228 fill_default_options(td, options);
2229}
2230
2231int fio_show_option_help(const char *opt)
2232{
07b3232d 2233 return show_cmd_help(options, opt);
214e1eca 2234}
d23bb327
JA
2235
2236static void __options_mem(struct thread_data *td, int alloc)
2237{
2238 struct thread_options *o = &td->o;
2239 struct fio_option *opt;
2240 char **ptr;
2241 int i;
2242
2243 for (i = 0, opt = &options[0]; opt->name; i++, opt = &options[i]) {
2244 if (opt->type != FIO_OPT_STR_STORE)
2245 continue;
2246
2247 ptr = (void *) o + opt->off1;
2248 if (*ptr) {
2249 if (alloc)
2250 *ptr = strdup(*ptr);
2251 else {
2252 free(*ptr);
2253 *ptr = NULL;
2254 }
2255 }
2256 }
2257}
2258
2259/*
2260 * dupe FIO_OPT_STR_STORE options
2261 */
2262void options_mem_dupe(struct thread_data *td)
2263{
2264 __options_mem(td, 1);
2265}
2266
22d66213 2267void options_mem_free(struct thread_data fio_unused *td)
d23bb327 2268{
22d66213 2269#if 0
d23bb327 2270 __options_mem(td, 0);
22d66213 2271#endif
d23bb327 2272}
d6978a32
JA
2273
2274unsigned int fio_get_kb_base(void *data)
2275{
2276 struct thread_data *td = data;
2277 unsigned int kb_base = 0;
2278
2279 if (td)
2280 kb_base = td->o.kb_base;
2281 if (!kb_base)
2282 kb_base = 1024;
2283
2284 return kb_base;
2285}
9f988e2e 2286
07b3232d 2287int add_option(struct fio_option *o)
9f988e2e 2288{
07b3232d
JA
2289 struct fio_option *__o;
2290 int opt_index = 0;
2291
2292 __o = options;
2293 while (__o->name) {
2294 opt_index++;
2295 __o++;
2296 }
2297
2298 memcpy(&options[opt_index], o, sizeof(*o));
2299 return 0;
9f988e2e 2300}
e2de69da 2301
07b3232d 2302void invalidate_profile_options(const char *prof_name)
e2de69da 2303{
07b3232d 2304 struct fio_option *o;
e2de69da 2305
07b3232d
JA
2306 o = options;
2307 while (o->name) {
2308 if (o->prof_name && !strcmp(o->prof_name, prof_name)) {
2309 o->type = FIO_OPT_INVALID;
2310 o->prof_name = NULL;
2311 }
2312 o++;
e2de69da
JA
2313 }
2314}
f5b6bb85
JA
2315
2316void add_opt_posval(const char *optname, const char *ival, const char *help)
2317{
2318 struct fio_option *o;
2319 unsigned int i;
2320
2321 o = find_option(options, optname);
2322 if (!o)
2323 return;
2324
2325 for (i = 0; i < PARSE_MAX_VP; i++) {
2326 if (o->posval[i].ival)
2327 continue;
2328
2329 o->posval[i].ival = ival;
2330 o->posval[i].help = help;
2331 break;
2332 }
2333}
2334
2335void del_opt_posval(const char *optname, const char *ival)
2336{
2337 struct fio_option *o;
2338 unsigned int i;
2339
2340 o = find_option(options, optname);
2341 if (!o)
2342 return;
2343
2344 for (i = 0; i < PARSE_MAX_VP; i++) {
2345 if (!o->posval[i].ival)
2346 continue;
2347 if (strcmp(o->posval[i].ival, ival))
2348 continue;
2349
2350 o->posval[i].ival = NULL;
2351 o->posval[i].help = NULL;
2352 }
2353}