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[PATCH] fio_spliceio_event() used wrong private type
[fio.git] / fio-ini.c
CommitLineData
ebac4655
JA		 1#include <stdio.h>
2#include <stdlib.h>
3#include <unistd.h>
4#include <fcntl.h>
5#include <ctype.h>
6#include <string.h>
7#include <errno.h>
8#include <sys/ipc.h>
9#include <sys/shm.h>
10#include <sys/types.h>
11#include <sys/stat.h>
12
13#include "fio.h"
14
20dc95c4
JA		 15#define DEF_BS (4096)
16#define DEF_TIMEOUT (0)
17#define DEF_RATE_CYCLE (1000)
18#define DEF_ODIRECT (1)
19#define DEF_IO_ENGINE (FIO_SYNCIO)
ebac4655 20#define DEF_IO_ENGINE_NAME "sync"
20dc95c4
JA		 21#define DEF_SEQUENTIAL (1)
22#define DEF_RAND_REPEAT (1)
23#define DEF_OVERWRITE (1)
24#define DEF_CREATE (1)
25#define DEF_INVALIDATE (1)
26#define DEF_SYNCIO (0)
27#define DEF_RANDSEED (0xb1899bedUL)
28#define DEF_BWAVGTIME (500)
29#define DEF_CREATE_SER (1)
ebac4655 30#define DEF_CREATE_FSYNC (1)
20dc95c4
JA		 31#define DEF_LOOPS (1)
32#define DEF_VERIFY (0)
33#define DEF_STONEWALL (0)
34#define DEF_NUMJOBS (1)
35#define DEF_USE_THREAD (0)
36#define DEF_FILE_SIZE (1024 * 1024 * 1024UL)
37#define DEF_ZONE_SIZE (0)
38#define DEF_ZONE_SKIP (0)
ebac4655 39
e8e387c1 40static char fio_version_string[] = "fio 1.3";
ebac4655
JA		 41
42static int repeatable = DEF_RAND_REPEAT;
43static char *ini_file;
44static int max_jobs = MAX_JOBS;
45
46struct thread_data def_thread;
47struct thread_data *threads = NULL;
48
49int rate_quit = 0;
50int write_lat_log = 0;
51int write_bw_log = 0;
52int exitall_on_terminate = 0;
53
54static int setup_rate(struct thread_data *td)
55{
56 int nr_reads_per_sec;
57
58 if (!td->rate)
59 return 0;
60
61 if (td->rate < td->ratemin) {
62 fprintf(stderr, "min rate larger than nominal rate\n");
63 return -1;
64 }
65
66 nr_reads_per_sec = (td->rate * 1024) / td->min_bs;
67 td->rate_usec_cycle = 1000000 / nr_reads_per_sec;
68 td->rate_pending_usleep = 0;
69 return 0;
70}
71
72static void setup_log(struct io_log **log)
73{
74 struct io_log *l = malloc(sizeof(*l));
75
76 l->nr_samples = 0;
77 l->max_samples = 1024;
78 l->log = malloc(l->max_samples * sizeof(struct io_sample));
79 *log = l;
80}
81
82void finish_log(struct thread_data *td, struct io_log *log, const char *name)
83{
aea47d44 84 char file_name[256];
ebac4655
JA		 85 FILE *f;
86 unsigned int i;
87
aea47d44 88 snprintf(file_name, 200, "client%d_%s.log", td->thread_number, name);
ebac4655
JA		 89 f = fopen(file_name, "w");
90 if (!f) {
91 perror("fopen log");
92 return;
93 }
94
95 for (i = 0; i < log->nr_samples; i++)
96 fprintf(f, "%lu, %lu, %u\n", log->log[i].time, log->log[i].val, log->log[i].ddir);
97
98 fclose(f);
99 free(log->log);
100 free(log);
101}
102
103static struct thread_data *get_new_job(int global, struct thread_data *parent)
104{
105 struct thread_data *td;
106
107 if (global)
108 return &def_thread;
109 if (thread_number >= max_jobs)
110 return NULL;
111
112 td = &threads[thread_number++];
113 memset(td, 0, sizeof(*td));
114
115 td->fd = -1;
116 td->thread_number = thread_number;
117
118 td->ddir = parent->ddir;
119 td->ioprio = parent->ioprio;
120 td->sequential = parent->sequential;
121 td->bs = parent->bs;
122 td->min_bs = parent->min_bs;
123 td->max_bs = parent->max_bs;
124 td->odirect = parent->odirect;
125 td->thinktime = parent->thinktime;
126 td->fsync_blocks = parent->fsync_blocks;
127 td->start_delay = parent->start_delay;
128 td->timeout = parent->timeout;
129 td->io_engine = parent->io_engine;
130 td->create_file = parent->create_file;
131 td->overwrite = parent->overwrite;
132 td->invalidate_cache = parent->invalidate_cache;
133 td->file_size = parent->file_size;
134 td->file_offset = parent->file_offset;
20dc95c4
JA		 135 td->zone_size = parent->zone_size;
136 td->zone_skip = parent->zone_skip;
ebac4655
JA		 137 td->rate = parent->rate;
138 td->ratemin = parent->ratemin;
139 td->ratecycle = parent->ratecycle;
140 td->iodepth = parent->iodepth;
141 td->sync_io = parent->sync_io;
142 td->mem_type = parent->mem_type;
143 td->bw_avg_time = parent->bw_avg_time;
144 td->create_serialize = parent->create_serialize;
145 td->create_fsync = parent->create_fsync;
146 td->loops = parent->loops;
147 td->verify = parent->verify;
148 td->stonewall = parent->stonewall;
149 td->numjobs = parent->numjobs;
150 td->use_thread = parent->use_thread;
151 td->do_disk_util = parent->do_disk_util;
152 memcpy(&td->cpumask, &parent->cpumask, sizeof(td->cpumask));
153 strcpy(td->io_engine_name, parent->io_engine_name);
154
155 return td;
156}
157
158static void put_job(struct thread_data *td)
159{
160 memset(&threads[td->thread_number - 1], 0, sizeof(*td));
161 thread_number--;
162}
163
8756e4d4 164static int add_job(struct thread_data *td, const char *jobname)
ebac4655 165{
3d60d1ed
JA		 166 char *ddir_str[] = { "read", "write", "randread", "randwrite",
167 "rw", NULL, "randrw" };
ebac4655
JA		 168 struct stat sb;
169 int numjobs, ddir;
170
171#ifndef FIO_HAVE_LIBAIO
172 if (td->io_engine == FIO_LIBAIO) {
173 fprintf(stderr, "Linux libaio not available\n");
174 return 1;
175 }
176#endif
177#ifndef FIO_HAVE_POSIXAIO
178 if (td->io_engine == FIO_POSIXAIO) {
179 fprintf(stderr, "posix aio not available\n");
180 return 1;
181 }
182#endif
ebac4655
JA		 183
184 /*
185 * the def_thread is just for options, it's not a real job
186 */
187 if (td == &def_thread)
188 return 0;
189
190 if (td->io_engine & FIO_SYNCIO)
191 td->iodepth = 1;
192 else {
193 if (!td->iodepth)
194 td->iodepth = 1;
195 }
196
20dc95c4
JA		 197 /*
198 * only really works for sequential io for now
199 */
200 if (td->zone_size && !td->sequential)
201 td->zone_size = 0;
202
ebac4655 203 td->filetype = FIO_TYPE_FILE;
0af7b542
JA		 204 if (!stat(jobname, &sb)) {
205 if (S_ISBLK(sb.st_mode))
206 td->filetype = FIO_TYPE_BD;
207 else if (S_ISCHR(sb.st_mode))
208 td->filetype = FIO_TYPE_CHAR;
209 }
ebac4655
JA		 210
211 if (td->filetype == FIO_TYPE_FILE) {
212 if (td->directory[0] != '\0')
eba09dd3 213 sprintf(td->file_name, "%s/%s.%d", td->directory, jobname, td->jobnum);
ebac4655 214 else
eba09dd3 215 sprintf(td->file_name, "%s.%d", jobname, td->jobnum);
ebac4655 216 } else
aea47d44 217 strncpy(td->file_name, jobname, sizeof(td->file_name) - 1);
ebac4655
JA		 218
219 sem_init(&td->mutex, 0, 0);
220
221 td->clat_stat[0].min_val = td->clat_stat[1].min_val = ULONG_MAX;
222 td->slat_stat[0].min_val = td->slat_stat[1].min_val = ULONG_MAX;
223 td->bw_stat[0].min_val = td->bw_stat[1].min_val = ULONG_MAX;
224
225 if (td->min_bs == -1U)
226 td->min_bs = td->bs;
227 if (td->max_bs == -1U)
228 td->max_bs = td->bs;
3d60d1ed 229 if (td_read(td) && !td_rw(td))
ebac4655
JA		 230 td->verify = 0;
231
232 if (td->stonewall && td->thread_number > 1)
233 groupid++;
234
235 td->groupid = groupid;
236
237 if (setup_rate(td))
238 goto err;
239
240 if (write_lat_log) {
241 setup_log(&td->slat_log);
242 setup_log(&td->clat_log);
243 }
244 if (write_bw_log)
245 setup_log(&td->bw_log);
246
3d60d1ed 247 ddir = td->ddir + (!td->sequential << 1) + (td->iomix << 2);
8756e4d4 248 printf("Client%d (g=%d): rw=%s, odir=%d, bs=%d-%d, rate=%d, ioengine=%s, iodepth=%d\n", td->thread_number, td->groupid, ddir_str[ddir], td->odirect, td->min_bs, td->max_bs, td->rate, td->io_engine_name, td->iodepth);
ebac4655
JA		 249
250 /*
251 * recurse add identical jobs, clear numjobs and stonewall options
252 * as they don't apply to sub-jobs
253 */
254 numjobs = td->numjobs;
255 while (--numjobs) {
256 struct thread_data *td_new = get_new_job(0, td);
257
258 if (!td_new)
259 goto err;
260
261 td_new->numjobs = 1;
262 td_new->stonewall = 0;
eba09dd3 263 td_new->jobnum = numjobs;
ebac4655 264
8756e4d4 265 if (add_job(td_new, jobname))
ebac4655
JA		 266 goto err;
267 }
268 return 0;
269err:
270 put_job(td);
271 return -1;
272}
273
274int init_random_state(struct thread_data *td)
275{
276 unsigned long seed;
277 int fd, num_maps, blocks;
278
279 fd = open("/dev/random", O_RDONLY);
280 if (fd == -1) {
281 td_verror(td, errno);
282 return 1;
283 }
284
285 if (read(fd, &seed, sizeof(seed)) < (int) sizeof(seed)) {
286 td_verror(td, EIO);
287 close(fd);
288 return 1;
289 }
290
291 close(fd);
292
293 srand48_r(seed, &td->bsrange_state);
294 srand48_r(seed, &td->verify_state);
295
296 if (td->sequential)
297 return 0;
298
299 if (repeatable)
300 seed = DEF_RANDSEED;
301
302 blocks = (td->io_size + td->min_bs - 1) / td->min_bs;
303 num_maps = blocks / BLOCKS_PER_MAP;
304 td->file_map = malloc(num_maps * sizeof(long));
305 td->num_maps = num_maps;
306 memset(td->file_map, 0, num_maps * sizeof(long));
307
308 srand48_r(seed, &td->random_state);
309 return 0;
310}
311
312static void fill_cpu_mask(os_cpu_mask_t cpumask, int cpu)
313{
314#ifdef FIO_HAVE_CPU_AFFINITY
315 unsigned int i;
316
317 CPU_ZERO(&cpumask);
318
319 for (i = 0; i < sizeof(int) * 8; i++) {
320 if ((1 << i) & cpu)
321 CPU_SET(i, &cpumask);
322 }
323#endif
324}
325
326static unsigned long get_mult(char c)
327{
328 switch (c) {
329 case 'k':
330 case 'K':
331 return 1024;
332 case 'm':
333 case 'M':
334 return 1024 * 1024;
335 case 'g':
336 case 'G':
337 return 1024 * 1024 * 1024;
338 default:
339 return 1;
340 }
341}
342
343/*
344 * convert string after '=' into decimal value, noting any size suffix
345 */
346static int str_cnv(char *p, unsigned long long *val)
347{
348 char *str;
349 int len;
350
f5d3e5ec 351 str = strchr(p, '=');
ebac4655
JA		 352 if (!str)
353 return 1;
354
355 str++;
356 len = strlen(str);
357
358 *val = strtoul(str, NULL, 10);
359 if (*val == ULONG_MAX && errno == ERANGE)
360 return 1;
361
362 *val *= get_mult(str[len - 2]);
363 return 0;
364}
365
366static int check_strcnv(char *p, char *name, unsigned long long *val)
367{
20dc95c4 368 if (strncmp(p, name, strlen(name) - 1))
ebac4655
JA		 369 return 1;
370
371 return str_cnv(p, val);
372}
373
374static void strip_blank_front(char **p)
375{
376 char *s = *p;
377
378 while (isblank(*s))
379 s++;
380}
381
382static void strip_blank_end(char *p)
383{
384 while (isblank(*p)) {
385 *p = '\0';
386 p--;
387 }
388}
389
aea47d44
JA		 390static void terminate_line(char *p)
391{
392 while (*p != '\n' && *p != '\0')
393 p++;
394
395 *p = '\0';
396}
397
ebac4655
JA		 398typedef int (str_cb_fn)(struct thread_data *, char *);
399
400static int check_str(char *p, char *name, str_cb_fn *cb, struct thread_data *td)
401{
402 char *s = strstr(p, name);
403
404 if (!s)
405 return 1;
406
f5d3e5ec 407 s = strchr(s, '=');
ebac4655
JA		 408 if (!s)
409 return 1;
410
411 s++;
412 strip_blank_front(&s);
413 return cb(td, s);
414}
415
416static int check_strstore(char *p, char *name, char *dest)
417{
418 char *s = strstr(p, name);
419
420 if (!s)
421 return 1;
422
f5d3e5ec 423 s = strchr(p, '=');
ebac4655
JA		 424 if (!s)
425 return 1;
426
427 s++;
428 strip_blank_front(&s);
429
430 strcpy(dest, s);
431
432 s = dest + strlen(dest) - 1;
433 strip_blank_end(s);
434 return 0;
435}
436
01617be6 437static int __check_range(char *str, unsigned long *val)
ebac4655 438{
01617be6 439 char suffix;
ebac4655 440
01617be6
JA		 441 if (sscanf(str, "%lu%c", val, &suffix) == 2) {
442 *val *= get_mult(suffix);
ebac4655
JA		 443 return 0;
444 }
445
01617be6 446 if (sscanf(str, "%lu", val) == 1)
ebac4655 447 return 0;
ebac4655 448
01617be6
JA		 449 return 1;
450}
451
452static int check_range(char *p, char *name, unsigned long *s, unsigned long *e)
453{
454 char option[128];
455 char *str, *p1, *p2;
456
457 strcpy(option, p);
458 p = option;
459
460 str = strstr(p, name);
461 if (!str)
462 return 1;
ebac4655 463
01617be6
JA		 464 p += strlen(name);
465
466 str = strchr(p, '=');
467 if (!str)
468 return 1;
469
470 /*
471 * 'p' now holds whatever is after the '=' sign
472 */
473 p1 = str + 1;
474
475 /*
476 * terminate p1 at the '-' sign
477 */
478 p = strchr(p1, '-');
479 if (!p)
480 return 1;
481
482 p2 = p + 1;
483 *p = '\0';
484
485 if (!__check_range(p1, s) && !__check_range(p2, e))
ebac4655
JA		 486 return 0;
487
488 return 1;
ebac4655
JA		 489}
490
491static int check_int(char *p, char *name, unsigned int *val)
492{
f5d3e5ec 493 char *str;
ebac4655 494
f5d3e5ec
JA		 495 str = strstr(p, name);
496 if (!str)
497 return 1;
498
499 str = strchr(p, '=');
500 if (!str)
501 return 1;
502
503 str++;
ebac4655 504
f5d3e5ec 505 if (sscanf(str, "%u", val) == 1)
ebac4655
JA		 506 return 0;
507
508 return 1;
509}
510
511static int check_strset(char *p, char *name)
512{
513 return strncmp(p, name, strlen(name));
514}
515
516static int is_empty_or_comment(char *line)
517{
518 unsigned int i;
519
520 for (i = 0; i < strlen(line); i++) {
521 if (line[i] == ';')
522 return 1;
523 if (!isspace(line[i]) && !iscntrl(line[i]))
524 return 0;
525 }
526
527 return 1;
528}
529
530static int str_rw_cb(struct thread_data *td, char *mem)
531{
532 if (!strncmp(mem, "read", 4) || !strncmp(mem, "0", 1)) {
533 td->ddir = DDIR_READ;
534 td->sequential = 1;
535 return 0;
536 } else if (!strncmp(mem, "randread", 8)) {
537 td->ddir = DDIR_READ;
538 td->sequential = 0;
539 return 0;
540 } else if (!strncmp(mem, "write", 5) || !strncmp(mem, "1", 1)) {
541 td->ddir = DDIR_WRITE;
542 td->sequential = 1;
543 return 0;
544 } else if (!strncmp(mem, "randwrite", 9)) {
545 td->ddir = DDIR_WRITE;
546 td->sequential = 0;
547 return 0;
3d60d1ed
JA		 548 } else if (!strncmp(mem, "rw", 2)) {
549 td->ddir = 0;
550 td->iomix = 1;
551 td->sequential = 1;
552 return 0;
553 } else if (!strncmp(mem, "randrw", 6)) {
554 td->ddir = 0;
555 td->iomix = 1;
556 td->sequential = 0;
557 return 0;
ebac4655
JA		 558 }
559
560 fprintf(stderr, "bad data direction: %s\n", mem);
561 return 1;
562}
563
564static int str_verify_cb(struct thread_data *td, char *mem)
565{
566 if (!strncmp(mem, "0", 1)) {
567 td->verify = VERIFY_NONE;
568 return 0;
569 } else if (!strncmp(mem, "md5", 3) || !strncmp(mem, "1", 1)) {
570 td->verify = VERIFY_MD5;
571 return 0;
572 } else if (!strncmp(mem, "crc32", 5)) {
573 td->verify = VERIFY_CRC32;
574 return 0;
575 }
576
577 fprintf(stderr, "bad verify type: %s\n", mem);
578 return 1;
579}
580
581static int str_mem_cb(struct thread_data *td, char *mem)
582{
583 if (!strncmp(mem, "malloc", 6)) {
584 td->mem_type = MEM_MALLOC;
585 return 0;
586 } else if (!strncmp(mem, "shm", 3)) {
587 td->mem_type = MEM_SHM;
588 return 0;
589 } else if (!strncmp(mem, "mmap", 4)) {
590 td->mem_type = MEM_MMAP;
591 return 0;
592 }
593
594 fprintf(stderr, "bad mem type: %s\n", mem);
595 return 1;
596}
597
598static int str_ioengine_cb(struct thread_data *td, char *str)
599{
600 if (!strncmp(str, "linuxaio", 8) || !strncmp(str, "aio", 3) ||
601 !strncmp(str, "libaio", 6)) {
602 strcpy(td->io_engine_name, "libaio");
603 td->io_engine = FIO_LIBAIO;
604 return 0;
605 } else if (!strncmp(str, "posixaio", 8)) {
606 strcpy(td->io_engine_name, "posixaio");
607 td->io_engine = FIO_POSIXAIO;
608 return 0;
609 } else if (!strncmp(str, "sync", 4)) {
610 strcpy(td->io_engine_name, "sync");
611 td->io_engine = FIO_SYNCIO;
612 return 0;
613 } else if (!strncmp(str, "mmap", 4)) {
614 strcpy(td->io_engine_name, "mmap");
615 td->io_engine = FIO_MMAPIO;
616 return 0;
617 } else if (!strncmp(str, "sgio", 4)) {
618 strcpy(td->io_engine_name, "sgio");
619 td->io_engine = FIO_SGIO;
620 return 0;
8756e4d4
JA		 621 } else if (!strncmp(str, "splice", 6)) {
622 strcpy(td->io_engine_name, "splice");
623 td->io_engine = FIO_SPLICEIO;
624 return 0;
ebac4655
JA		 625 }
626
627 fprintf(stderr, "bad ioengine type: %s\n", str);
628 return 1;
629}
630
aea47d44
JA		 631static int str_iolog_cb(struct thread_data *td, char *file)
632{
633 terminate_line(file);
634 strncpy(td->iolog_file, file, sizeof(td->iolog_file) - 1);
635
636 return 0;
637}
ebac4655
JA		 638
639int parse_jobs_ini(char *file)
640{
641 unsigned int prioclass, prio, cpu, global;
642 unsigned long long ull;
643 unsigned long ul1, ul2;
644 struct thread_data *td;
645 char *string, *name;
646 fpos_t off;
647 FILE *f;
648 char *p;
649
650 f = fopen(file, "r");
651 if (!f) {
aea47d44 652 perror("fopen job file");
ebac4655
JA		 653 return 1;
654 }
655
656 string = malloc(4096);
657 name = malloc(256);
658
659 while ((p = fgets(string, 4096, f)) != NULL) {
660 if (is_empty_or_comment(p))
661 continue;
662 if (sscanf(p, "[%s]", name) != 1)
663 continue;
664
665 global = !strncmp(name, "global", 6);
666
667 name[strlen(name) - 1] = '\0';
668
669 td = get_new_job(global, &def_thread);
670 if (!td)
671 return 1;
672
ebac4655
JA		 673 fgetpos(f, &off);
674 while ((p = fgets(string, 4096, f)) != NULL) {
675 if (is_empty_or_comment(p))
676 continue;
677 if (strstr(p, "["))
678 break;
aea47d44 679
ebac4655
JA		 680 if (!check_int(p, "prio", &prio)) {
681#ifndef FIO_HAVE_IOPRIO
682 fprintf(stderr, "io priorities not available\n");
683 return 1;
684#endif
8756e4d4 685 td->ioprio |= prio;
ebac4655
JA		 686 fgetpos(f, &off);
687 continue;
688 }
689 if (!check_int(p, "prioclass", &prioclass)) {
690#ifndef FIO_HAVE_IOPRIO
691 fprintf(stderr, "io priorities not available\n");
692 return 1;
693#endif
8756e4d4 694 td->ioprio |= prioclass << IOPRIO_CLASS_SHIFT;
ebac4655
JA		 695 fgetpos(f, &off);
696 continue;
697 }
698 if (!check_int(p, "direct", &td->odirect)) {
699 fgetpos(f, &off);
700 continue;
701 }
702 if (!check_int(p, "rate", &td->rate)) {
703 fgetpos(f, &off);
704 continue;
705 }
706 if (!check_int(p, "ratemin", &td->ratemin)) {
707 fgetpos(f, &off);
708 continue;
709 }
710 if (!check_int(p, "ratecycle", &td->ratecycle)) {
711 fgetpos(f, &off);
712 continue;
713 }
714 if (!check_int(p, "thinktime", &td->thinktime)) {
715 fgetpos(f, &off);
716 continue;
717 }
718 if (!check_int(p, "cpumask", &cpu)) {
719#ifndef FIO_HAVE_CPU_AFFINITY
720 fprintf(stderr, "cpu affinity not available\n");
721 return 1;
722#endif
723 fill_cpu_mask(td->cpumask, cpu);
724 fgetpos(f, &off);
725 continue;
726 }
727 if (!check_int(p, "fsync", &td->fsync_blocks)) {
728 fgetpos(f, &off);
729 continue;
730 }
731 if (!check_int(p, "startdelay", &td->start_delay)) {
732 fgetpos(f, &off);
733 continue;
734 }
735 if (!check_int(p, "timeout", &td->timeout)) {
736 fgetpos(f, &off);
737 continue;
738 }
739 if (!check_int(p, "invalidate",&td->invalidate_cache)) {
740 fgetpos(f, &off);
741 continue;
742 }
743 if (!check_int(p, "iodepth", &td->iodepth)) {
744 fgetpos(f, &off);
745 continue;
746 }
747 if (!check_int(p, "sync", &td->sync_io)) {
748 fgetpos(f, &off);
749 continue;
750 }
751 if (!check_int(p, "bwavgtime", &td->bw_avg_time)) {
752 fgetpos(f, &off);
753 continue;
754 }
755 if (!check_int(p, "create_serialize", &td->create_serialize)) {
756 fgetpos(f, &off);
757 continue;
758 }
759 if (!check_int(p, "create_fsync", &td->create_fsync)) {
760 fgetpos(f, &off);
761 continue;
762 }
763 if (!check_int(p, "loops", &td->loops)) {
764 fgetpos(f, &off);
765 continue;
766 }
767 if (!check_int(p, "numjobs", &td->numjobs)) {
768 fgetpos(f, &off);
769 continue;
770 }
771 if (!check_int(p, "overwrite", &td->overwrite)) {
772 fgetpos(f, &off);
773 continue;
774 }
775 if (!check_range(p, "bsrange", &ul1, &ul2)) {
776 if (ul1 > ul2) {
777 td->max_bs = ul1;
778 td->min_bs = ul2;
779 } else {
780 td->max_bs = ul2;
781 td->min_bs = ul1;
782 }
783 fgetpos(f, &off);
784 continue;
785 }
786 if (!check_strcnv(p, "bs", &ull)) {
787 td->bs = ull;
788 fgetpos(f, &off);
789 continue;
790 }
791 if (!check_strcnv(p, "size", &td->file_size)) {
792 fgetpos(f, &off);
793 continue;
794 }
795 if (!check_strcnv(p, "offset", &td->file_offset)) {
796 fgetpos(f, &off);
20dc95c4
JA		 797 continue;
798 }
799 if (!check_strcnv(p, "zonesize", &td->zone_size)) {
800 fgetpos(f, &off);
801 continue;
802 }
803 if (!check_strcnv(p, "zoneskip", &td->zone_skip)) {
804 fgetpos(f, &off);
ebac4655
JA		 805 continue;
806 }
807 if (!check_strstore(p, "directory", td->directory)) {
808 fgetpos(f, &off);
809 continue;
810 }
811 if (!check_str(p, "mem", str_mem_cb, td)) {
812 fgetpos(f, &off);
813 continue;
814 }
815 if (!check_str(p, "verify", str_verify_cb, td)) {
816 fgetpos(f, &off);
817 continue;
818 }
819 if (!check_str(p, "rw", str_rw_cb, td)) {
820 fgetpos(f, &off);
821 continue;
822 }
823 if (!check_str(p, "ioengine", str_ioengine_cb, td)) {
824 fgetpos(f, &off);
825 continue;
826 }
827 if (!check_strset(p, "create")) {
828 td->create_file = 1;
829 fgetpos(f, &off);
830 continue;
831 }
832 if (!check_strset(p, "exitall")) {
833 exitall_on_terminate = 1;
834 fgetpos(f, &off);
835 continue;
836 }
837 if (!check_strset(p, "stonewall")) {
838 td->stonewall = 1;
839 fgetpos(f, &off);
840 continue;
841 }
842 if (!check_strset(p, "thread")) {
843 td->use_thread = 1;
844 fgetpos(f, &off);
845 continue;
846 }
aea47d44
JA		 847 if (!check_str(p, "iolog", str_iolog_cb, td)) {
848 td->iolog = 1;
849 fgetpos(f, &off);
850 continue;
851 }
ebac4655
JA		 852
853 printf("Client%d: bad option %s\n",td->thread_number,p);
aea47d44 854 return 1;
ebac4655
JA		 855 }
856 fsetpos(f, &off);
857
8756e4d4 858 if (add_job(td, name))
ebac4655
JA		 859 return 1;
860 }
861
862 free(string);
863 free(name);
864 fclose(f);
865 return 0;
866}
867
868static int fill_def_thread(void)
869{
870 memset(&def_thread, 0, sizeof(def_thread));
871
872 if (fio_getaffinity(getpid(), &def_thread.cpumask) == -1) {
873 perror("sched_getaffinity");
874 return 1;
875 }
876
877 /*
878 * fill globals
879 */
880 def_thread.ddir = DDIR_READ;
3d60d1ed 881 def_thread.iomix = 0;
ebac4655
JA		 882 def_thread.bs = DEF_BS;
883 def_thread.min_bs = -1;
884 def_thread.max_bs = -1;
885 def_thread.io_engine = DEF_IO_ENGINE;
886 strcpy(def_thread.io_engine_name, DEF_IO_ENGINE_NAME);
887 def_thread.odirect = DEF_ODIRECT;
888 def_thread.ratecycle = DEF_RATE_CYCLE;
889 def_thread.sequential = DEF_SEQUENTIAL;
890 def_thread.timeout = DEF_TIMEOUT;
891 def_thread.create_file = DEF_CREATE;
892 def_thread.overwrite = DEF_OVERWRITE;
893 def_thread.invalidate_cache = DEF_INVALIDATE;
894 def_thread.sync_io = DEF_SYNCIO;
895 def_thread.mem_type = MEM_MALLOC;
896 def_thread.bw_avg_time = DEF_BWAVGTIME;
897 def_thread.create_serialize = DEF_CREATE_SER;
898 def_thread.create_fsync = DEF_CREATE_FSYNC;
899 def_thread.loops = DEF_LOOPS;
900 def_thread.verify = DEF_VERIFY;
901 def_thread.stonewall = DEF_STONEWALL;
902 def_thread.numjobs = DEF_NUMJOBS;
903 def_thread.use_thread = DEF_USE_THREAD;
904#ifdef FIO_HAVE_DISK_UTIL
905 def_thread.do_disk_util = 1;
906#endif
907
908 return 0;
909}
910
4785f995
JA		 911static void usage(char *name)
912{
913 printf("%s\n", fio_version_string);
914 printf("\t-s IO is sequential\n");
915 printf("\t-b Block size in KiB for each IO\n");
916 printf("\t-t Runtime in seconds\n");
917 printf("\t-R Exit all threads on failure to meet rate goal\n");
918 printf("\t-o Use O_DIRECT\n");
919 printf("\t-l Generate per-job latency logs\n");
920 printf("\t-w Generate per-job bandwidth logs\n");
921 printf("\t-f Job file (Required)\n");
922 printf("\t-v Print version info and exit\n");
923}
924
ebac4655
JA		 925static void parse_cmd_line(int argc, char *argv[])
926{
927 int c;
928
4785f995 929 while ((c = getopt(argc, argv, "s:b:t:r:R:o:f:lwvh")) != EOF) {
ebac4655
JA		 930 switch (c) {
931 case 's':
932 def_thread.sequential = !!atoi(optarg);
933 break;
934 case 'b':
935 def_thread.bs = atoi(optarg);
936 def_thread.bs <<= 10;
937 if (!def_thread.bs) {
938 printf("bad block size\n");
939 def_thread.bs = DEF_BS;
940 }
941 break;
942 case 't':
943 def_thread.timeout = atoi(optarg);
944 break;
945 case 'r':
946 repeatable = !!atoi(optarg);
947 break;
948 case 'R':
949 rate_quit = !!atoi(optarg);
950 break;
951 case 'o':
952 def_thread.odirect = !!atoi(optarg);
953 break;
954 case 'f':
955 ini_file = strdup(optarg);
956 break;
957 case 'l':
958 write_lat_log = 1;
959 break;
960 case 'w':
961 write_bw_log = 1;
962 break;
4785f995
JA		 963 case 'h':
964 usage(argv[0]);
965 exit(0);
ebac4655
JA		 966 case 'v':
967 printf("%s\n", fio_version_string);
968 exit(0);
969 }
970 }
c9fad893
JA		 971
972 if (!ini_file && argc > 1 && argv[argc - 1][0] != '-')
973 ini_file = strdup(argv[argc - 1]);
ebac4655
JA		 974}
975
976static void free_shm(void)
977{
978 struct shmid_ds sbuf;
979
980 if (threads) {
981 shmdt(threads);
982 threads = NULL;
983 shmctl(shm_id, IPC_RMID, &sbuf);
984 }
985}
986
987static int setup_thread_area(void)
988{
989 /*
990 * 1024 is too much on some machines, scale max_jobs if
991 * we get a failure that looks like too large a shm segment
992 */
993 do {
994 int s = max_jobs * sizeof(struct thread_data);
995
996 shm_id = shmget(0, s, IPC_CREAT | 0600);
997 if (shm_id != -1)
998 break;
999 if (errno != EINVAL) {
1000 perror("shmget");
1001 break;
1002 }
1003
1004 max_jobs >>= 1;
1005 } while (max_jobs);
1006
1007 if (shm_id == -1)
1008 return 1;
1009
1010 threads = shmat(shm_id, NULL, 0);
1011 if (threads == (void *) -1) {
1012 perror("shmat");
1013 return 1;
1014 }
1015
1016 atexit(free_shm);
1017 return 0;
1018}
1019
1020int parse_options(int argc, char *argv[])
1021{
1022 if (setup_thread_area())
1023 return 1;
1024 if (fill_def_thread())
1025 return 1;
1026
1027 parse_cmd_line(argc, argv);
1028
1029 if (!ini_file) {
1030 printf("Need job file\n");
4785f995 1031 usage(argv[0]);
ebac4655
JA		 1032 return 1;
1033 }
1034
c9fad893
JA		 1035 if (parse_jobs_ini(ini_file)) {
1036 usage(argv[0]);
ebac4655 1037 return 1;
c9fad893 1038 }
ebac4655
JA		 1039
1040 return 0;
1041}
fio - Flexible IO Tester