Commit | Line | Data |
---|---|---|
abe4da87 JA |
1 | /* |
2 | * fio - the flexible io tester | |
3 | * | |
4 | * Copyright (C) 2005 Jens Axboe <axboe@suse.de> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
19 | * | |
20 | */ | |
892199bd JA |
21 | #include <stdio.h> |
22 | #include <stdlib.h> | |
23 | #include <unistd.h> | |
24 | #include <fcntl.h> | |
25 | #include <string.h> | |
26 | #include <errno.h> | |
27 | #include <signal.h> | |
28 | #include <time.h> | |
7dd1389e | 29 | #include <ctype.h> |
18e0b78c | 30 | #include <sched.h> |
43000118 | 31 | #include <libaio.h> |
e128065d | 32 | #include <math.h> |
02983297 | 33 | #include <limits.h> |
892199bd JA |
34 | #include <sys/time.h> |
35 | #include <sys/types.h> | |
36 | #include <sys/stat.h> | |
37 | #include <sys/wait.h> | |
38 | #include <semaphore.h> | |
39 | #include <sys/ipc.h> | |
40 | #include <sys/shm.h> | |
41 | #include <asm/unistd.h> | |
42 | ||
2c83567e JA |
43 | #include "list.h" |
44 | ||
4240cfa1 JA |
45 | #define MAX_JOBS (1024) |
46 | ||
892199bd JA |
47 | /* |
48 | * assume we don't have _get either, if _set isn't defined | |
49 | */ | |
50 | #ifndef __NR_ioprio_set | |
892199bd JA |
51 | #if defined(__i386__) |
52 | #define __NR_ioprio_set 289 | |
53 | #define __NR_ioprio_get 290 | |
54 | #elif defined(__powerpc__) || defined(__powerpc64__) | |
55 | #define __NR_ioprio_set 273 | |
56 | #define __NR_ioprio_get 274 | |
57 | #elif defined(__x86_64__) | |
58 | #define __NR_ioprio_set 251 | |
59 | #define __NR_ioprio_get 252 | |
60 | #elif defined(__ia64__) | |
61 | #define __NR_ioprio_set 1274 | |
62 | #define __NR_ioprio_get 1275 | |
63 | #elif defined(__alpha__) | |
64 | #define __NR_ioprio_set 442 | |
65 | #define __NR_ioprio_get 443 | |
66 | #elif defined(__s390x__) || defined(__s390__) | |
67 | #define __NR_ioprio_set 282 | |
68 | #define __NR_ioprio_get 283 | |
69 | #else | |
70 | #error "Unsupported arch" | |
71 | #endif | |
b95799ca | 72 | #endif |
892199bd | 73 | |
b95799ca JA |
74 | #ifndef __NR_fadvise64 |
75 | #if defined(__i386__) | |
76 | #define __NR_fadvise64 250 | |
77 | #elif defined(__powerpc__) || defined(__powerpc64__) | |
78 | #define __NR_fadvise64 233 | |
79 | #elif defined(__x86_64__) | |
80 | #define __NR_fadvise64 221 | |
81 | #elif defined(__ia64__) | |
82 | #define __NR_fadvise64 1234 | |
83 | #elif defined(__alpha__) | |
84 | #define __NR_fadvise64 413 | |
85 | #elif defined(__s390x__) || defined(__s390__) | |
86 | #define __NR_fadvise64 253 | |
87 | #else | |
88 | #error "Unsupported arch" | |
89 | #endif | |
892199bd JA |
90 | #endif |
91 | ||
92 | static int ioprio_set(int which, int who, int ioprio) | |
93 | { | |
94 | return syscall(__NR_ioprio_set, which, who, ioprio); | |
95 | } | |
96 | ||
b95799ca JA |
97 | /* |
98 | * we want fadvise64 really, but it's so tangled... later | |
99 | */ | |
100 | static int fadvise(int fd, loff_t offset, size_t len, int advice) | |
101 | { | |
102 | #if 0 | |
103 | return syscall(__NR_fadvise64, fd, offset, offset >> 32, len, advice); | |
104 | #else | |
105 | return posix_fadvise(fd, (off_t) offset, len, advice); | |
106 | #endif | |
107 | } | |
108 | ||
892199bd JA |
109 | enum { |
110 | IOPRIO_WHO_PROCESS = 1, | |
111 | IOPRIO_WHO_PGRP, | |
112 | IOPRIO_WHO_USER, | |
113 | }; | |
114 | ||
115 | #define IOPRIO_CLASS_SHIFT 13 | |
116 | ||
892199bd JA |
117 | #define MASK (4095) |
118 | ||
4240cfa1 JA |
119 | #define DEF_BS (4096) |
120 | #define DEF_TIMEOUT (30) | |
121 | #define DEF_RATE_CYCLE (1000) | |
122 | #define DEF_ODIRECT (1) | |
123 | #define DEF_SEQUENTIAL (1) | |
4240cfa1 | 124 | #define DEF_RAND_REPEAT (1) |
02983297 JA |
125 | #define DEF_OVERWRITE (0) |
126 | #define DEF_CREATE (1) | |
b95799ca | 127 | #define DEF_INVALIDATE (1) |
99c6704f | 128 | #define DEF_SYNCIO (0) |
4240cfa1 JA |
129 | |
130 | #define ALIGN(buf) (char *) (((unsigned long) (buf) + MASK) & ~(MASK)) | |
892199bd | 131 | |
4240cfa1 | 132 | static int repeatable = DEF_RAND_REPEAT; |
02bdd9ba | 133 | static int rate_quit = 1; |
a0a9b35b JA |
134 | static int write_lat_log; |
135 | static int write_bw_log; | |
892199bd | 136 | |
892199bd | 137 | static int thread_number; |
7dd1389e | 138 | static char *ini_file; |
892199bd | 139 | |
8867c0a8 JA |
140 | static int max_jobs = MAX_JOBS; |
141 | ||
8dbff0b1 JA |
142 | static char run_str[MAX_JOBS + 1]; |
143 | ||
892199bd JA |
144 | static int shm_id; |
145 | ||
4240cfa1 JA |
146 | enum { |
147 | DDIR_READ = 0, | |
148 | DDIR_WRITE, | |
149 | }; | |
892199bd | 150 | |
02bdd9ba JA |
151 | /* |
152 | * thread life cycle | |
153 | */ | |
154 | enum { | |
155 | TD_NOT_CREATED = 0, | |
156 | TD_CREATED, | |
157 | TD_STARTED, | |
158 | TD_EXITED, | |
159 | TD_REAPED, | |
160 | }; | |
161 | ||
99c6704f JA |
162 | enum { |
163 | MEM_MALLOC, | |
164 | MEM_SHM, | |
165 | }; | |
166 | ||
2c83567e JA |
167 | /* |
168 | * The io unit | |
169 | */ | |
170 | struct io_u { | |
171 | struct iocb iocb; | |
57d753e3 | 172 | struct timeval start_time; |
2c83567e JA |
173 | struct timeval issue_time; |
174 | ||
2c83567e JA |
175 | char *buf; |
176 | unsigned int buflen; | |
4ac89145 | 177 | unsigned long long offset; |
2c83567e JA |
178 | |
179 | struct list_head list; | |
180 | }; | |
181 | ||
57d753e3 JA |
182 | struct io_stat { |
183 | unsigned long val; | |
184 | unsigned long val_sq; | |
185 | unsigned long max_val; | |
186 | unsigned long min_val; | |
187 | unsigned long samples; | |
188 | }; | |
189 | ||
a0a9b35b JA |
190 | struct io_sample { |
191 | unsigned long time; | |
192 | unsigned long val; | |
193 | }; | |
194 | ||
195 | struct io_log { | |
196 | unsigned long nr_samples; | |
197 | unsigned long max_samples; | |
198 | struct io_sample *log; | |
199 | }; | |
200 | ||
02983297 JA |
201 | #define td_read(td) ((td)->ddir == DDIR_READ) |
202 | #define should_fsync(td) (!td_read(td) && !(td)->odirect) | |
203 | ||
892199bd JA |
204 | struct thread_data { |
205 | char file_name[256]; | |
206 | int thread_number; | |
207 | int error; | |
208 | int fd; | |
892199bd | 209 | pid_t pid; |
6b71c826 | 210 | char *orig_buffer; |
4240cfa1 | 211 | volatile int terminate; |
02bdd9ba | 212 | volatile int runstate; |
f737299d JA |
213 | unsigned int ddir; |
214 | unsigned int ioprio; | |
215 | unsigned int sequential; | |
216 | unsigned int bs; | |
217 | unsigned int odirect; | |
218 | unsigned int delay_sleep; | |
4240cfa1 | 219 | unsigned int fsync_blocks; |
fc24389f | 220 | unsigned int start_delay; |
47d45203 | 221 | unsigned int timeout; |
43000118 | 222 | unsigned int use_aio; |
02983297 JA |
223 | unsigned int create_file; |
224 | unsigned int overwrite; | |
b95799ca | 225 | unsigned int invalidate_cache; |
02983297 JA |
226 | unsigned long long file_size; |
227 | unsigned long long file_offset; | |
74b4b5fb | 228 | unsigned int sync_io; |
99c6704f | 229 | unsigned int mem_type; |
18e0b78c | 230 | cpu_set_t cpumask; |
86184d14 | 231 | |
99c6704f JA |
232 | int shm_id; |
233 | ||
63a09e51 JA |
234 | off_t cur_off; |
235 | ||
254605cd | 236 | io_context_t aio_ctx; |
43000118 | 237 | unsigned int aio_depth; |
43000118 | 238 | struct io_event *aio_events; |
2c83567e JA |
239 | |
240 | unsigned int cur_depth; | |
241 | struct list_head io_u_freelist; | |
242 | struct list_head io_u_busylist; | |
43000118 | 243 | |
7dd1389e | 244 | unsigned int rate; |
4240cfa1 JA |
245 | unsigned int ratemin; |
246 | unsigned int ratecycle; | |
247 | unsigned long rate_usec_cycle; | |
248 | long rate_pending_usleep; | |
249 | unsigned long rate_blocks; | |
250 | struct timeval lastrate; | |
86184d14 | 251 | |
892199bd JA |
252 | unsigned long runtime; /* sec */ |
253 | unsigned long blocks; | |
4240cfa1 | 254 | unsigned long io_blocks; |
892199bd JA |
255 | unsigned long last_block; |
256 | sem_t mutex; | |
892199bd JA |
257 | struct drand48_data random_state; |
258 | ||
259 | /* | |
e128065d | 260 | * bandwidth and latency stats |
892199bd | 261 | */ |
57d753e3 JA |
262 | struct io_stat clat_stat; /* completion latency */ |
263 | struct io_stat slat_stat; /* submission latency */ | |
264 | ||
265 | struct io_stat bw_stat; /* bandwidth stats */ | |
fd1ae4c9 | 266 | unsigned long stat_io_blocks; |
fd1ae4c9 | 267 | struct timeval stat_sample_time; |
4240cfa1 | 268 | |
a0a9b35b JA |
269 | struct io_log *lat_log; |
270 | struct io_log *bw_log; | |
271 | ||
4240cfa1 | 272 | struct timeval start; |
892199bd JA |
273 | }; |
274 | ||
275 | static struct thread_data *threads; | |
47d45203 | 276 | static struct thread_data def_thread; |
892199bd JA |
277 | |
278 | static sem_t startup_sem; | |
279 | ||
5c24b2c4 | 280 | static void sig_handler(int sig) |
892199bd JA |
281 | { |
282 | int i; | |
283 | ||
213b446c JA |
284 | for (i = 0; i < thread_number; i++) { |
285 | struct thread_data *td = &threads[i]; | |
286 | ||
287 | td->terminate = 1; | |
288 | td->start_delay = 0; | |
289 | } | |
02bdd9ba JA |
290 | } |
291 | ||
5c24b2c4 | 292 | static int init_random_state(struct thread_data *td) |
892199bd JA |
293 | { |
294 | unsigned long seed = 123; | |
295 | ||
296 | if (td->sequential) | |
297 | return 0; | |
298 | ||
299 | if (!repeatable) { | |
300 | int fd = open("/dev/random", O_RDONLY); | |
301 | ||
302 | if (fd == -1) { | |
303 | td->error = errno; | |
304 | return 1; | |
305 | } | |
306 | ||
7dd1389e | 307 | if (read(fd, &seed, sizeof(seed)) < (int) sizeof(seed)) { |
892199bd JA |
308 | td->error = EIO; |
309 | close(fd); | |
310 | return 1; | |
311 | } | |
312 | ||
313 | close(fd); | |
314 | } | |
315 | ||
316 | srand48_r(seed, &td->random_state); | |
317 | return 0; | |
318 | } | |
319 | ||
5c24b2c4 | 320 | static unsigned long utime_since(struct timeval *s, struct timeval *e) |
892199bd JA |
321 | { |
322 | double sec, usec; | |
323 | ||
324 | sec = e->tv_sec - s->tv_sec; | |
325 | usec = e->tv_usec - s->tv_usec; | |
326 | if (sec > 0 && usec < 0) { | |
327 | sec--; | |
328 | usec += 1000000; | |
329 | } | |
330 | ||
331 | sec *= (double) 1000000; | |
332 | ||
333 | return sec + usec; | |
334 | } | |
335 | ||
5c24b2c4 | 336 | static unsigned long mtime_since(struct timeval *s, struct timeval *e) |
892199bd JA |
337 | { |
338 | double sec, usec; | |
339 | ||
340 | sec = e->tv_sec - s->tv_sec; | |
341 | usec = e->tv_usec - s->tv_usec; | |
342 | if (sec > 0 && usec < 0) { | |
343 | sec--; | |
344 | usec += 1000000; | |
345 | } | |
346 | ||
347 | sec *= (double) 1000; | |
348 | usec /= (double) 1000; | |
349 | ||
350 | return sec + usec; | |
351 | } | |
352 | ||
be33abe4 JA |
353 | static unsigned long mtime_since_now(struct timeval *s) |
354 | { | |
355 | struct timeval t; | |
356 | ||
357 | gettimeofday(&t, NULL); | |
358 | return mtime_since(s, &t); | |
359 | } | |
360 | ||
98168d55 JA |
361 | static inline unsigned long msec_now(struct timeval *s) |
362 | { | |
363 | return s->tv_sec * 1000 + s->tv_usec / 1000; | |
364 | } | |
365 | ||
4ac89145 | 366 | static unsigned long long get_next_offset(struct thread_data *td) |
892199bd | 367 | { |
4ac89145 | 368 | unsigned long long b; |
892199bd JA |
369 | long r; |
370 | ||
371 | if (!td->sequential) { | |
372 | lrand48_r(&td->random_state, &r); | |
373 | b = (1+(double) (td->blocks-1) * r / (RAND_MAX+1.0)); | |
374 | } else { | |
375 | b = td->last_block; | |
376 | td->last_block++; | |
377 | } | |
378 | ||
02983297 | 379 | return b * td->bs + td->file_offset; |
892199bd JA |
380 | } |
381 | ||
57d753e3 JA |
382 | static inline void add_stat_sample(struct thread_data *td, struct io_stat *is, |
383 | unsigned long val) | |
892199bd | 384 | { |
57d753e3 JA |
385 | if (val > is->max_val) |
386 | is->max_val = val; | |
387 | if (val < is->min_val) | |
388 | is->min_val = val; | |
389 | ||
390 | is->val += val; | |
391 | is->val_sq += val * val; | |
392 | is->samples++; | |
393 | } | |
fd1ae4c9 | 394 | |
a0a9b35b JA |
395 | static void add_log_sample(struct thread_data *td, struct io_log *log, |
396 | unsigned long val) | |
397 | { | |
398 | if (log->nr_samples == log->max_samples) { | |
399 | int new_size = sizeof(struct io_sample) * log->max_samples * 2; | |
400 | ||
401 | log->log = realloc(log->log, new_size); | |
402 | log->max_samples <<= 1; | |
403 | } | |
404 | ||
405 | log->log[log->nr_samples].val = val; | |
406 | log->log[log->nr_samples].time = mtime_since_now(&td->start); | |
407 | log->nr_samples++; | |
408 | } | |
409 | ||
57d753e3 JA |
410 | static void add_clat_sample(struct thread_data *td, unsigned long msec) |
411 | { | |
412 | add_stat_sample(td, &td->clat_stat, msec); | |
a0a9b35b JA |
413 | |
414 | if (td->lat_log) | |
415 | add_log_sample(td, td->lat_log, msec); | |
57d753e3 | 416 | } |
fd1ae4c9 | 417 | |
57d753e3 JA |
418 | static void add_slat_sample(struct thread_data *td, unsigned long msec) |
419 | { | |
420 | add_stat_sample(td, &td->slat_stat, msec); | |
421 | } | |
fd1ae4c9 | 422 | |
57d753e3 JA |
423 | static void add_bw_sample(struct thread_data *td, unsigned long msec) |
424 | { | |
425 | unsigned long spent = mtime_since_now(&td->stat_sample_time); | |
426 | unsigned long rate; | |
427 | ||
428 | if (spent < 500) | |
429 | return; | |
430 | ||
431 | rate = ((td->io_blocks - td->stat_io_blocks) * td->bs) / spent; | |
432 | add_stat_sample(td, &td->bw_stat, rate); | |
433 | ||
a0a9b35b JA |
434 | if (td->bw_log) |
435 | add_log_sample(td, td->bw_log, rate); | |
436 | ||
57d753e3 JA |
437 | gettimeofday(&td->stat_sample_time, NULL); |
438 | td->stat_io_blocks = td->io_blocks; | |
892199bd JA |
439 | } |
440 | ||
5c24b2c4 | 441 | static void usec_sleep(int usec) |
892199bd | 442 | { |
86184d14 JA |
443 | struct timespec req = { .tv_sec = 0, .tv_nsec = usec * 1000 }; |
444 | struct timespec rem; | |
892199bd JA |
445 | |
446 | do { | |
86184d14 JA |
447 | rem.tv_sec = rem.tv_nsec = 0; |
448 | nanosleep(&req, &rem); | |
449 | if (!rem.tv_nsec) | |
892199bd | 450 | break; |
86184d14 JA |
451 | |
452 | req.tv_nsec = rem.tv_nsec; | |
892199bd JA |
453 | } while (1); |
454 | } | |
455 | ||
5c24b2c4 | 456 | static void rate_throttle(struct thread_data *td, unsigned long time_spent) |
86184d14 | 457 | { |
4240cfa1 JA |
458 | if (!td->rate) |
459 | return; | |
460 | ||
86184d14 JA |
461 | if (time_spent < td->rate_usec_cycle) { |
462 | unsigned long s = td->rate_usec_cycle - time_spent; | |
463 | ||
464 | td->rate_pending_usleep += s; | |
fad86e6a | 465 | if (td->rate_pending_usleep >= 100000) { |
86184d14 JA |
466 | usec_sleep(td->rate_pending_usleep); |
467 | td->rate_pending_usleep = 0; | |
468 | } | |
4240cfa1 | 469 | } else { |
42b2b9fe JA |
470 | long overtime = time_spent - td->rate_usec_cycle; |
471 | ||
4240cfa1 JA |
472 | td->rate_pending_usleep -= overtime; |
473 | } | |
474 | } | |
475 | ||
5c24b2c4 | 476 | static int check_min_rate(struct thread_data *td, struct timeval *now) |
4240cfa1 | 477 | { |
7607bc6b | 478 | unsigned long spent; |
4240cfa1 JA |
479 | unsigned long rate; |
480 | ||
481 | /* | |
482 | * allow a 2 second settle period in the beginning | |
483 | */ | |
7607bc6b | 484 | if (mtime_since(&td->start, now) < 2000) |
4240cfa1 JA |
485 | return 0; |
486 | ||
487 | /* | |
488 | * if rate blocks is set, sample is running | |
489 | */ | |
490 | if (td->rate_blocks) { | |
491 | spent = mtime_since(&td->lastrate, now); | |
492 | if (spent < td->ratecycle) | |
493 | return 0; | |
494 | ||
495 | rate = ((td->io_blocks - td->rate_blocks) * td->bs) / spent; | |
496 | if (rate < td->ratemin) { | |
497 | printf("Client%d: min rate %d not met, got %ldKiB/sec\n", td->thread_number, td->ratemin, rate); | |
02bdd9ba | 498 | if (rate_quit) |
e6402082 | 499 | sig_handler(0); |
4240cfa1 JA |
500 | return 1; |
501 | } | |
86184d14 | 502 | } |
4240cfa1 JA |
503 | |
504 | td->rate_blocks = td->io_blocks; | |
505 | memcpy(&td->lastrate, now, sizeof(*now)); | |
506 | return 0; | |
86184d14 JA |
507 | } |
508 | ||
67903a2e JA |
509 | static inline int runtime_exceeded(struct thread_data *td, struct timeval *t) |
510 | { | |
511 | if (mtime_since(&td->start, t) >= td->timeout * 1000) | |
512 | return 1; | |
513 | ||
514 | return 0; | |
515 | } | |
516 | ||
2c83567e JA |
517 | static void put_io_u(struct thread_data *td, struct io_u *io_u) |
518 | { | |
519 | list_del(&io_u->list); | |
520 | list_add(&io_u->list, &td->io_u_freelist); | |
521 | td->cur_depth--; | |
522 | } | |
523 | ||
524 | static struct io_u *get_io_u(struct thread_data *td) | |
525 | { | |
526 | struct io_u *io_u; | |
527 | ||
528 | if (list_empty(&td->io_u_freelist)) | |
529 | return NULL; | |
530 | ||
531 | io_u = list_entry(td->io_u_freelist.next, struct io_u, list); | |
532 | list_del(&io_u->list); | |
533 | list_add(&io_u->list, &td->io_u_busylist); | |
534 | ||
535 | io_u->offset = get_next_offset(td); | |
536 | ||
537 | if (td->use_aio) { | |
538 | if (td_read(td)) | |
539 | io_prep_pread(&io_u->iocb, td->fd, io_u->buf, io_u->buflen, io_u->offset); | |
540 | else | |
541 | io_prep_pwrite(&io_u->iocb, td->fd, io_u->buf, io_u->buflen, io_u->offset); | |
542 | } | |
543 | ||
57d753e3 | 544 | gettimeofday(&io_u->start_time, NULL); |
2c83567e JA |
545 | td->cur_depth++; |
546 | return io_u; | |
547 | } | |
548 | ||
43000118 | 549 | static void do_sync_io(struct thread_data *td) |
892199bd | 550 | { |
86184d14 | 551 | unsigned long blocks, msec, usec; |
2c83567e | 552 | struct timeval e; |
892199bd | 553 | |
63a09e51 JA |
554 | td->cur_off = 0; |
555 | ||
892199bd | 556 | for (blocks = 0; blocks < td->blocks; blocks++) { |
2c83567e | 557 | struct io_u *io_u; |
892199bd JA |
558 | int ret; |
559 | ||
560 | if (td->terminate) | |
561 | break; | |
562 | ||
2c83567e JA |
563 | io_u = get_io_u(td); |
564 | ||
63a09e51 JA |
565 | if (td->cur_off != io_u->offset) { |
566 | if (lseek(td->fd, io_u->offset, SEEK_SET) == -1) { | |
567 | td->error = errno; | |
568 | break; | |
569 | } | |
892199bd JA |
570 | } |
571 | ||
572 | if (td->delay_sleep) | |
86184d14 | 573 | usec_sleep(td->delay_sleep); |
892199bd | 574 | |
02983297 | 575 | if (td_read(td)) |
2c83567e | 576 | ret = read(td->fd, io_u->buf, io_u->buflen); |
892199bd | 577 | else |
2c83567e | 578 | ret = write(td->fd, io_u->buf, io_u->buflen); |
892199bd | 579 | |
2c83567e | 580 | if (ret < (int) io_u->buflen) { |
892199bd JA |
581 | if (ret == -1) |
582 | td->error = errno; | |
583 | break; | |
584 | } | |
585 | ||
4240cfa1 | 586 | td->io_blocks++; |
63a09e51 | 587 | td->cur_off = io_u->offset + io_u->buflen; |
4240cfa1 JA |
588 | |
589 | if (should_fsync(td) && td->fsync_blocks && | |
590 | (td->io_blocks % td->fsync_blocks) == 0) | |
591 | fsync(td->fd); | |
592 | ||
86184d14 JA |
593 | gettimeofday(&e, NULL); |
594 | ||
57d753e3 | 595 | usec = utime_since(&io_u->start_time, &e); |
86184d14 | 596 | |
4240cfa1 | 597 | rate_throttle(td, usec); |
892199bd | 598 | |
4240cfa1 JA |
599 | if (check_min_rate(td, &e)) { |
600 | td->error = ENODATA; | |
601 | break; | |
602 | } | |
892199bd | 603 | |
4240cfa1 | 604 | msec = usec / 1000; |
57d753e3 JA |
605 | add_clat_sample(td, msec); |
606 | add_bw_sample(td, msec); | |
67903a2e JA |
607 | |
608 | if (runtime_exceeded(td, &e)) | |
609 | break; | |
2c83567e JA |
610 | |
611 | put_io_u(td, io_u); | |
892199bd JA |
612 | } |
613 | ||
4240cfa1 | 614 | if (should_fsync(td)) |
892199bd | 615 | fsync(td->fd); |
892199bd | 616 | } |
43000118 | 617 | |
2c83567e | 618 | static int io_u_queue(struct thread_data *td, struct io_u *io_u) |
56b0eff0 | 619 | { |
2c83567e | 620 | struct iocb *iocb = &io_u->iocb; |
56b0eff0 JA |
621 | int ret; |
622 | ||
623 | do { | |
254605cd | 624 | ret = io_submit(td->aio_ctx, 1, &iocb); |
56b0eff0 JA |
625 | if (ret == 1) |
626 | return 0; | |
a592bd33 | 627 | else if (ret == EAGAIN) |
56b0eff0 | 628 | usleep(100); |
a592bd33 JA |
629 | else if (ret == EINTR) |
630 | continue; | |
56b0eff0 JA |
631 | else |
632 | break; | |
633 | } while (1); | |
634 | ||
a592bd33 | 635 | return ret; |
56b0eff0 JA |
636 | } |
637 | ||
98168d55 | 638 | #define iocb_time(iocb) ((unsigned long) (iocb)->data) |
2c83567e JA |
639 | #define ev_to_iou(ev) (struct io_u *) ((unsigned long) (ev)->obj) |
640 | ||
641 | static void ios_completed(struct thread_data *td, int nr) | |
642 | { | |
643 | unsigned long msec; | |
644 | struct io_u *io_u; | |
645 | struct timeval e; | |
646 | int i; | |
647 | ||
648 | gettimeofday(&e, NULL); | |
649 | ||
650 | for (i = 0; i < nr; i++) { | |
651 | td->io_blocks++; | |
652 | ||
653 | io_u = ev_to_iou(td->aio_events + i); | |
654 | ||
655 | msec = mtime_since(&io_u->issue_time, &e); | |
656 | ||
57d753e3 JA |
657 | add_clat_sample(td, msec); |
658 | add_bw_sample(td, msec); | |
2c83567e JA |
659 | |
660 | put_io_u(td, io_u); | |
661 | } | |
662 | } | |
663 | ||
664 | static void cleanup_pending_aio(struct thread_data *td) | |
665 | { | |
666 | struct timespec ts = { .tv_sec = 0, .tv_nsec = 0}; | |
667 | struct list_head *entry, *n; | |
668 | struct io_u *io_u; | |
669 | int r; | |
670 | ||
671 | /* | |
672 | * get immediately available events, if any | |
673 | */ | |
674 | r = io_getevents(td->aio_ctx, 0, td->cur_depth, td->aio_events, &ts); | |
675 | if (r > 0) | |
676 | ios_completed(td, r); | |
677 | ||
678 | /* | |
679 | * now cancel remaining active events | |
680 | */ | |
681 | list_for_each_safe(entry, n, &td->io_u_busylist) { | |
682 | io_u = list_entry(entry, struct io_u, list); | |
683 | ||
684 | r = io_cancel(td->aio_ctx, &io_u->iocb, td->aio_events); | |
685 | if (!r) | |
686 | put_io_u(td, io_u); | |
687 | } | |
688 | ||
689 | if (td->cur_depth) { | |
690 | r = io_getevents(td->aio_ctx, td->cur_depth, td->cur_depth, td->aio_events, NULL); | |
691 | if (r > 0) | |
692 | ios_completed(td, r); | |
693 | } | |
694 | } | |
98168d55 | 695 | |
43000118 JA |
696 | static void do_async_io(struct thread_data *td) |
697 | { | |
698 | struct timeval s, e; | |
2c83567e | 699 | unsigned long blocks, usec; |
43000118 | 700 | |
43000118 JA |
701 | for (blocks = 0; blocks < td->blocks; blocks++) { |
702 | struct timespec ts = { .tv_sec = 0, .tv_nsec = 0}; | |
703 | struct timespec *timeout; | |
2c83567e JA |
704 | int ret, min_evts = 0; |
705 | struct io_u *io_u; | |
43000118 JA |
706 | |
707 | if (td->terminate) | |
708 | break; | |
709 | ||
710 | if (td->delay_sleep) | |
711 | usec_sleep(td->delay_sleep); | |
712 | ||
2c83567e | 713 | io_u = get_io_u(td); |
43000118 | 714 | |
57d753e3 | 715 | memcpy(&s, &io_u->start_time, sizeof(s)); |
8baf1bcc | 716 | |
2c83567e | 717 | ret = io_u_queue(td, io_u); |
56b0eff0 | 718 | if (ret) { |
a3fdb993 | 719 | put_io_u(td, io_u); |
a592bd33 | 720 | td->error = ret; |
43000118 JA |
721 | break; |
722 | } | |
723 | ||
57d753e3 JA |
724 | gettimeofday(&io_u->issue_time, NULL); |
725 | add_slat_sample(td, mtime_since(&io_u->start_time, &io_u->issue_time)); | |
726 | ||
2c83567e | 727 | if (td->cur_depth < td->aio_depth) { |
43000118 JA |
728 | timeout = &ts; |
729 | min_evts = 0; | |
730 | } else { | |
731 | timeout = NULL; | |
732 | min_evts = 1; | |
733 | } | |
734 | ||
2c83567e | 735 | ret = io_getevents(td->aio_ctx, min_evts, td->cur_depth, td->aio_events, timeout); |
43000118 JA |
736 | if (ret < 0) { |
737 | td->error = errno; | |
738 | break; | |
739 | } else if (!ret) | |
740 | continue; | |
741 | ||
2c83567e | 742 | ios_completed(td, ret); |
43000118 | 743 | |
4ac89145 JA |
744 | if (should_fsync(td) && td->fsync_blocks && |
745 | (td->io_blocks % td->fsync_blocks) == 0) | |
746 | fsync(td->fd); | |
747 | ||
98168d55 JA |
748 | /* |
749 | * the rate is batched for now, it should work for batches | |
750 | * of completions except the very first one which may look | |
751 | * a little bursty | |
752 | */ | |
2c83567e | 753 | gettimeofday(&e, NULL); |
43000118 JA |
754 | usec = utime_since(&s, &e); |
755 | ||
756 | rate_throttle(td, usec); | |
757 | ||
758 | if (check_min_rate(td, &e)) { | |
759 | td->error = ENODATA; | |
760 | break; | |
761 | } | |
67903a2e JA |
762 | |
763 | if (runtime_exceeded(td, &e)) | |
764 | break; | |
43000118 | 765 | } |
56b0eff0 | 766 | |
2c83567e JA |
767 | if (td->cur_depth) |
768 | cleanup_pending_aio(td); | |
4ac89145 JA |
769 | |
770 | if (should_fsync(td)) | |
771 | fsync(td->fd); | |
56b0eff0 JA |
772 | } |
773 | ||
774 | static void cleanup_aio(struct thread_data *td) | |
775 | { | |
254605cd JA |
776 | io_destroy(td->aio_ctx); |
777 | ||
43000118 JA |
778 | if (td->aio_events) |
779 | free(td->aio_events); | |
43000118 JA |
780 | } |
781 | ||
782 | static int init_aio(struct thread_data *td) | |
783 | { | |
254605cd | 784 | if (io_queue_init(td->aio_depth, &td->aio_ctx)) { |
43000118 JA |
785 | td->error = errno; |
786 | return 1; | |
787 | } | |
788 | ||
43000118 | 789 | td->aio_events = malloc(td->aio_depth * sizeof(struct io_event)); |
43000118 JA |
790 | return 0; |
791 | } | |
792 | ||
2c83567e JA |
793 | static void cleanup_io_u(struct thread_data *td) |
794 | { | |
795 | struct list_head *entry, *n; | |
796 | struct io_u *io_u; | |
797 | ||
798 | list_for_each_safe(entry, n, &td->io_u_freelist) { | |
799 | io_u = list_entry(entry, struct io_u, list); | |
800 | ||
801 | list_del(&io_u->list); | |
2c83567e JA |
802 | free(io_u); |
803 | } | |
6b71c826 | 804 | |
99c6704f JA |
805 | if (td->mem_type == MEM_MALLOC) |
806 | free(td->orig_buffer); | |
807 | else if (td->mem_type == MEM_SHM) { | |
808 | struct shmid_ds sbuf; | |
809 | ||
810 | shmdt(td->orig_buffer); | |
811 | shmctl(td->shm_id, IPC_RMID, &sbuf); | |
812 | } | |
2c83567e JA |
813 | } |
814 | ||
99c6704f | 815 | static int init_io_u(struct thread_data *td) |
2c83567e JA |
816 | { |
817 | struct io_u *io_u; | |
99c6704f | 818 | int i, max_units, mem_size; |
6b71c826 | 819 | char *p; |
2c83567e JA |
820 | |
821 | if (!td->use_aio) | |
822 | max_units = 1; | |
823 | else | |
824 | max_units = td->aio_depth; | |
825 | ||
99c6704f JA |
826 | mem_size = td->bs * max_units + MASK; |
827 | ||
828 | if (td->mem_type == MEM_MALLOC) | |
829 | td->orig_buffer = malloc(mem_size); | |
830 | else if (td->mem_type == MEM_SHM) { | |
831 | td->shm_id = shmget(IPC_PRIVATE, mem_size, IPC_CREAT | 0600); | |
832 | if (td->shm_id < 0) { | |
833 | td->error = errno; | |
834 | perror("shmget"); | |
835 | return 1; | |
836 | } | |
837 | ||
838 | td->orig_buffer = shmat(td->shm_id, NULL, 0); | |
839 | if (td->orig_buffer == (void *) -1) { | |
840 | td->error = errno; | |
841 | perror("shmat"); | |
842 | return 1; | |
843 | } | |
844 | } | |
6b71c826 | 845 | |
2c83567e JA |
846 | INIT_LIST_HEAD(&td->io_u_freelist); |
847 | INIT_LIST_HEAD(&td->io_u_busylist); | |
848 | ||
99c6704f | 849 | p = ALIGN(td->orig_buffer); |
2c83567e JA |
850 | for (i = 0; i < max_units; i++) { |
851 | io_u = malloc(sizeof(*io_u)); | |
852 | memset(io_u, 0, sizeof(*io_u)); | |
853 | INIT_LIST_HEAD(&io_u->list); | |
854 | ||
6b71c826 | 855 | io_u->buf = p + td->bs * i; |
2c83567e JA |
856 | io_u->buflen = td->bs; |
857 | ||
858 | list_add(&io_u->list, &td->io_u_freelist); | |
859 | } | |
99c6704f JA |
860 | |
861 | return 0; | |
2c83567e JA |
862 | } |
863 | ||
a0a9b35b JA |
864 | static void setup_log(struct io_log **log) |
865 | { | |
866 | struct io_log *l = malloc(sizeof(*l)); | |
867 | ||
868 | l->nr_samples = 0; | |
869 | l->max_samples = 1024; | |
870 | l->log = malloc(l->max_samples * sizeof(struct io_sample)); | |
871 | *log = l; | |
872 | } | |
873 | ||
874 | static void finish_log(struct thread_data *td, struct io_log *log, char *name) | |
875 | { | |
876 | char file_name[128]; | |
877 | FILE *f; | |
878 | int i; | |
879 | ||
880 | sprintf(file_name, "client%d_%s.log", td->thread_number, name); | |
881 | f = fopen(file_name, "w"); | |
882 | if (!f) { | |
883 | perror("fopen log"); | |
884 | return; | |
885 | } | |
886 | ||
887 | for (i = 0; i < log->nr_samples; i++) | |
888 | fprintf(f, "%lu, %lu\n", log->log[i].time, log->log[i].val); | |
889 | ||
890 | fclose(f); | |
891 | free(log->log); | |
892 | free(log); | |
893 | } | |
894 | ||
02983297 JA |
895 | static int create_file(struct thread_data *td) |
896 | { | |
897 | unsigned int i; | |
898 | char *b; | |
899 | ||
02983297 JA |
900 | /* |
901 | * unless specifically asked for overwrite, let normal io extend it | |
902 | */ | |
903 | if (!td_read(td) && !td->overwrite) | |
904 | return 0; | |
905 | ||
57d753e3 JA |
906 | if (!td->file_size) { |
907 | fprintf(stderr, "Need size for create\n"); | |
908 | td->error = EINVAL; | |
909 | return 1; | |
910 | } | |
911 | ||
02983297 JA |
912 | td->fd = open(td->file_name, O_WRONLY | O_CREAT | O_TRUNC, 0644); |
913 | if (td->fd < 0) { | |
914 | td->error = errno; | |
915 | return 1; | |
916 | } | |
917 | ||
918 | td->blocks = td->file_size / td->bs; | |
919 | b = malloc(td->bs); | |
920 | memset(b, 0, td->bs); | |
921 | ||
922 | for (i = 0; i < td->blocks; i++) { | |
923 | int r = write(td->fd, b, td->bs); | |
924 | ||
925 | if (r == td->bs) | |
926 | continue; | |
927 | else { | |
928 | if (r < 0) | |
929 | td->error = errno; | |
930 | else | |
931 | td->error = EIO; | |
932 | ||
933 | break; | |
934 | } | |
935 | } | |
936 | ||
937 | fsync(td->fd); | |
938 | close(td->fd); | |
939 | td->fd = -1; | |
940 | free(b); | |
941 | return 0; | |
942 | } | |
943 | ||
944 | static int file_exists(struct thread_data *td) | |
945 | { | |
946 | struct stat st; | |
947 | ||
948 | if (stat(td->file_name, &st) != -1) | |
949 | return 1; | |
950 | ||
951 | return errno != ENOENT; | |
952 | } | |
953 | ||
954 | static int setup_file(struct thread_data *td) | |
955 | { | |
956 | struct stat st; | |
957 | int flags = 0; | |
958 | ||
959 | if (!file_exists(td)) { | |
960 | if (!td->create_file) { | |
961 | td->error = ENOENT; | |
962 | return 1; | |
963 | } | |
964 | if (create_file(td)) | |
965 | return 1; | |
966 | } | |
967 | ||
968 | if (td->odirect) | |
969 | flags |= O_DIRECT; | |
970 | ||
971 | if (td_read(td)) | |
972 | td->fd = open(td->file_name, flags | O_RDONLY); | |
973 | else { | |
974 | if (!td->overwrite) | |
975 | flags |= O_TRUNC; | |
74b4b5fb JA |
976 | if (td->sync_io) |
977 | flags |= O_SYNC; | |
02983297 JA |
978 | |
979 | td->fd = open(td->file_name, flags | O_WRONLY | O_CREAT, 0600); | |
980 | } | |
981 | ||
982 | if (td->fd == -1) { | |
983 | td->error = errno; | |
984 | return 1; | |
985 | } | |
986 | ||
987 | if (td_read(td)) { | |
988 | if (fstat(td->fd, &st) == -1) { | |
989 | td->error = errno; | |
990 | return 1; | |
991 | } | |
992 | ||
993 | if (td->file_size > st.st_size) | |
994 | st.st_size = td->file_size; | |
995 | } else { | |
996 | if (!td->file_size) | |
997 | td->file_size = 1024 * 1024 * 1024; | |
998 | ||
999 | st.st_size = td->file_size; | |
1000 | } | |
1001 | ||
1002 | td->blocks = (st.st_size - td->file_offset) / td->bs; | |
1003 | if (!td->blocks) { | |
1004 | fprintf(stderr, "Client%d: no io blocks\n", td->thread_number); | |
1005 | td->error = EINVAL; | |
1006 | return 1; | |
1007 | } | |
1008 | ||
b95799ca JA |
1009 | if (td->invalidate_cache) { |
1010 | if (fadvise(td->fd, 0, st.st_size, POSIX_FADV_DONTNEED) < 0) { | |
1011 | td->error = errno; | |
1012 | return 1; | |
1013 | } | |
1014 | } | |
1015 | ||
02983297 JA |
1016 | return 0; |
1017 | } | |
1018 | ||
5c24b2c4 | 1019 | static void *thread_main(int shm_id, int offset, char *argv[]) |
892199bd JA |
1020 | { |
1021 | struct thread_data *td; | |
02983297 | 1022 | int ret = 1; |
2c83567e | 1023 | void *data; |
892199bd | 1024 | |
7292613b JA |
1025 | setsid(); |
1026 | ||
892199bd | 1027 | data = shmat(shm_id, NULL, 0); |
4ac89145 JA |
1028 | if (data == (void *) -1) { |
1029 | perror("shmat"); | |
1030 | return NULL; | |
1031 | } | |
1032 | ||
892199bd JA |
1033 | td = data + offset * sizeof(struct thread_data); |
1034 | td->pid = getpid(); | |
1035 | ||
99c6704f JA |
1036 | if (init_io_u(td)) |
1037 | goto err; | |
2c83567e | 1038 | |
18e0b78c JA |
1039 | if (sched_setaffinity(td->pid, sizeof(td->cpumask), &td->cpumask) == -1) { |
1040 | td->error = errno; | |
1041 | goto err; | |
1042 | } | |
1043 | ||
4240cfa1 | 1044 | sprintf(argv[0], "fio%d", offset); |
892199bd | 1045 | |
43000118 JA |
1046 | if (td->use_aio && init_aio(td)) |
1047 | goto err; | |
1048 | ||
892199bd | 1049 | if (init_random_state(td)) |
599002b3 | 1050 | goto err; |
892199bd | 1051 | |
f737299d | 1052 | if (td->ioprio) { |
892199bd JA |
1053 | if (ioprio_set(IOPRIO_WHO_PROCESS, 0, td->ioprio) == -1) { |
1054 | td->error = errno; | |
599002b3 | 1055 | goto err; |
892199bd JA |
1056 | } |
1057 | } | |
1058 | ||
02983297 JA |
1059 | if (setup_file(td)) |
1060 | goto err; | |
1061 | ||
892199bd JA |
1062 | sem_post(&startup_sem); |
1063 | sem_wait(&td->mutex); | |
43000118 | 1064 | |
7292613b JA |
1065 | gettimeofday(&td->start, NULL); |
1066 | ||
1067 | if (td->ratemin) | |
1068 | memcpy(&td->lastrate, &td->start, sizeof(td->start)); | |
1069 | ||
fd1ae4c9 JA |
1070 | memcpy(&td->stat_sample_time, &td->start, sizeof(td->start)); |
1071 | ||
e4ed35c3 | 1072 | if (!td->use_aio) |
43000118 | 1073 | do_sync_io(td); |
e4ed35c3 | 1074 | else |
43000118 | 1075 | do_async_io(td); |
7292613b | 1076 | |
be33abe4 | 1077 | td->runtime = mtime_since_now(&td->start); |
892199bd | 1078 | ret = 0; |
a0a9b35b JA |
1079 | |
1080 | if (td->bw_log) | |
1081 | finish_log(td, td->bw_log, "bw"); | |
1082 | if (td->lat_log) | |
1083 | finish_log(td, td->lat_log, "lat"); | |
4ac89145 | 1084 | |
892199bd | 1085 | err: |
7292613b JA |
1086 | if (td->fd != -1) { |
1087 | close(td->fd); | |
1088 | td->fd = -1; | |
1089 | } | |
4ac89145 JA |
1090 | if (td->use_aio) |
1091 | cleanup_aio(td); | |
2c83567e | 1092 | cleanup_io_u(td); |
599002b3 | 1093 | if (ret) { |
892199bd | 1094 | sem_post(&startup_sem); |
599002b3 JA |
1095 | sem_wait(&td->mutex); |
1096 | } | |
02bdd9ba | 1097 | td->runstate = TD_EXITED; |
4240cfa1 | 1098 | shmdt(data); |
892199bd JA |
1099 | return NULL; |
1100 | } | |
1101 | ||
5c24b2c4 | 1102 | static void free_shm(void) |
892199bd | 1103 | { |
c269123b JA |
1104 | struct shmid_ds sbuf; |
1105 | ||
1106 | if (threads) { | |
1107 | shmdt(threads); | |
1108 | threads = NULL; | |
1109 | shmctl(shm_id, IPC_RMID, &sbuf); | |
1110 | } | |
892199bd JA |
1111 | } |
1112 | ||
57d753e3 JA |
1113 | static int calc_lat(struct io_stat *is, unsigned long *min, unsigned long *max, |
1114 | double *mean, double *dev) | |
1115 | { | |
1116 | double n; | |
1117 | ||
1118 | if (is->samples == 0) | |
1119 | return 0; | |
1120 | ||
1121 | *min = is->min_val; | |
1122 | *max = is->max_val; | |
1123 | ||
1124 | n = (double) is->samples; | |
1125 | *mean = (double) is->val / n; | |
1126 | *dev = sqrt(((double) is->val_sq - (*mean * *mean) / n) / (n - 1)); | |
1127 | return 1; | |
1128 | } | |
1129 | ||
5c24b2c4 | 1130 | static void show_thread_status(struct thread_data *td) |
892199bd JA |
1131 | { |
1132 | int prio, prio_class; | |
57d753e3 JA |
1133 | unsigned long min, max, bw = 0; |
1134 | double mean, dev; | |
892199bd | 1135 | |
213b446c JA |
1136 | if (!td->io_blocks && !td->error) |
1137 | return; | |
1138 | ||
892199bd | 1139 | if (td->runtime) |
4240cfa1 | 1140 | bw = (td->io_blocks * td->bs) / td->runtime; |
892199bd JA |
1141 | |
1142 | prio = td->ioprio & 0xff; | |
1143 | prio_class = td->ioprio >> IOPRIO_CLASS_SHIFT; | |
1144 | ||
57d753e3 | 1145 | printf("Client%d: err=%2d, io=%6luMiB, bw=%6luKiB/s\n", td->thread_number, td->error, td->io_blocks * td->bs >> 20, bw); |
fd1ae4c9 | 1146 | |
57d753e3 JA |
1147 | if (calc_lat(&td->slat_stat, &min, &max, &mean, &dev)) |
1148 | printf(" slat (msec): min=%5lu, max=%5lu, avg=%5.02f, dev=%5.02f\n", min, max, mean, dev); | |
1149 | if (calc_lat(&td->clat_stat, &min, &max, &mean, &dev)) | |
1150 | printf(" clat (msec): min=%5lu, max=%5lu, avg=%5.02f, dev=%5.02f\n", min, max, mean, dev); | |
1151 | if (calc_lat(&td->bw_stat, &min, &max, &mean, &dev)) | |
1152 | printf(" bw (KiB/s) : min=%5lu, max=%5lu, avg=%5.02f, dev=%5.02f\n", min, max, mean, dev); | |
892199bd JA |
1153 | } |
1154 | ||
5c24b2c4 | 1155 | static int setup_rate(struct thread_data *td) |
86184d14 | 1156 | { |
4240cfa1 JA |
1157 | int nr_reads_per_sec; |
1158 | ||
1159 | if (!td->rate) | |
1160 | return 0; | |
1161 | ||
1162 | if (td->rate < td->ratemin) { | |
1163 | fprintf(stderr, "min rate larger than nominal rate\n"); | |
1164 | return -1; | |
1165 | } | |
86184d14 | 1166 | |
4240cfa1 | 1167 | nr_reads_per_sec = td->rate * 1024 / td->bs; |
86184d14 JA |
1168 | td->rate_usec_cycle = 1000000 / nr_reads_per_sec; |
1169 | td->rate_pending_usleep = 0; | |
4240cfa1 | 1170 | return 0; |
86184d14 JA |
1171 | } |
1172 | ||
47d45203 | 1173 | static struct thread_data *get_new_job(int global) |
892199bd | 1174 | { |
4240cfa1 JA |
1175 | struct thread_data *td; |
1176 | ||
47d45203 JA |
1177 | if (global) |
1178 | return &def_thread; | |
8867c0a8 | 1179 | if (thread_number >= max_jobs) |
4240cfa1 JA |
1180 | return NULL; |
1181 | ||
1182 | td = &threads[thread_number++]; | |
fc24389f | 1183 | memset(td, 0, sizeof(*td)); |
892199bd | 1184 | |
e4ed35c3 | 1185 | td->fd = -1; |
86184d14 | 1186 | td->thread_number = thread_number; |
76cb7b42 | 1187 | |
47d45203 | 1188 | td->ddir = def_thread.ddir; |
76cb7b42 JA |
1189 | td->ioprio = def_thread.ioprio; |
1190 | td->sequential = def_thread.sequential; | |
47d45203 JA |
1191 | td->bs = def_thread.bs; |
1192 | td->odirect = def_thread.odirect; | |
76cb7b42 JA |
1193 | td->delay_sleep = def_thread.delay_sleep; |
1194 | td->fsync_blocks = def_thread.fsync_blocks; | |
1195 | td->start_delay = def_thread.start_delay; | |
67903a2e | 1196 | td->timeout = def_thread.timeout; |
76cb7b42 | 1197 | td->use_aio = def_thread.use_aio; |
02983297 JA |
1198 | td->create_file = def_thread.create_file; |
1199 | td->overwrite = def_thread.overwrite; | |
b95799ca | 1200 | td->invalidate_cache = def_thread.invalidate_cache; |
76cb7b42 | 1201 | td->file_size = def_thread.file_size; |
9b5cf6c0 | 1202 | td->file_offset = def_thread.file_offset; |
76cb7b42 JA |
1203 | td->rate = def_thread.rate; |
1204 | td->ratemin = def_thread.ratemin; | |
1205 | td->ratecycle = def_thread.ratecycle; | |
1206 | td->aio_depth = def_thread.aio_depth; | |
99c6704f JA |
1207 | td->sync_io = def_thread.sync_io; |
1208 | td->mem_type = def_thread.mem_type; | |
47d45203 | 1209 | memcpy(&td->cpumask, &def_thread.cpumask, sizeof(td->cpumask)); |
f737299d JA |
1210 | |
1211 | return td; | |
1212 | } | |
1213 | ||
4240cfa1 JA |
1214 | static void put_job(struct thread_data *td) |
1215 | { | |
1216 | memset(&threads[td->thread_number - 1], 0, sizeof(*td)); | |
1217 | thread_number--; | |
1218 | } | |
1219 | ||
5c24b2c4 JA |
1220 | static int add_job(struct thread_data *td, const char *filename, int prioclass, |
1221 | int prio) | |
f737299d | 1222 | { |
47d45203 JA |
1223 | if (td == &def_thread) |
1224 | return 0; | |
1225 | ||
f737299d | 1226 | strcpy(td->file_name, filename); |
4240cfa1 | 1227 | sem_init(&td->mutex, 1, 0); |
f737299d JA |
1228 | td->ioprio = (prioclass << IOPRIO_CLASS_SHIFT) | prio; |
1229 | ||
57d753e3 JA |
1230 | td->clat_stat.min_val = ULONG_MAX; |
1231 | td->slat_stat.min_val = ULONG_MAX; | |
1232 | td->bw_stat.min_val = ULONG_MAX; | |
1233 | ||
8dbff0b1 JA |
1234 | run_str[td->thread_number - 1] = 'P'; |
1235 | ||
4ac89145 JA |
1236 | if (td->use_aio && !td->aio_depth) |
1237 | td->aio_depth = 1; | |
43000118 | 1238 | |
4240cfa1 JA |
1239 | if (setup_rate(td)) |
1240 | return -1; | |
f737299d | 1241 | |
a0a9b35b JA |
1242 | if (write_lat_log) |
1243 | setup_log(&td->lat_log); | |
1244 | if (write_bw_log) | |
1245 | setup_log(&td->bw_log); | |
1246 | ||
e128065d | 1247 | printf("Client%d: file=%s, rw=%d, prio=%d/%d, seq=%d, odir=%d, bs=%d, rate=%d, aio=%d, aio_depth=%d\n", td->thread_number, filename, td->ddir, prioclass, prio, td->sequential, td->odirect, td->bs, td->rate, td->use_aio, td->aio_depth); |
4240cfa1 | 1248 | return 0; |
892199bd JA |
1249 | } |
1250 | ||
18e0b78c JA |
1251 | static void fill_cpu_mask(cpu_set_t cpumask, int cpu) |
1252 | { | |
f737299d | 1253 | unsigned int i; |
18e0b78c JA |
1254 | |
1255 | CPU_ZERO(&cpumask); | |
1256 | ||
1257 | for (i = 0; i < sizeof(int) * 8; i++) { | |
1258 | if ((1 << i) & cpu) | |
1259 | CPU_SET(i, &cpumask); | |
1260 | } | |
1261 | } | |
1262 | ||
5c24b2c4 | 1263 | static void fill_option(const char *input, char *output) |
892199bd JA |
1264 | { |
1265 | int i; | |
1266 | ||
1267 | i = 0; | |
1268 | while (input[i] != ',' && input[i] != '}' && input[i] != '\0') { | |
1269 | output[i] = input[i]; | |
1270 | i++; | |
1271 | } | |
1272 | ||
1273 | output[i] = '\0'; | |
1274 | } | |
1275 | ||
02983297 JA |
1276 | /* |
1277 | * convert string after '=' into decimal value, noting any size suffix | |
1278 | */ | |
1279 | static int str_cnv(char *p, unsigned long long *val) | |
1280 | { | |
1281 | unsigned long mult; | |
1282 | char *str; | |
1283 | int len; | |
1284 | ||
1285 | str = strstr(p, "="); | |
1286 | if (!str) | |
1287 | return 1; | |
1288 | ||
1289 | str++; | |
1290 | len = strlen(str); | |
1291 | mult = 1; | |
1292 | ||
1293 | switch (str[len - 2]) { | |
1294 | case 'k': | |
1295 | case 'K': | |
1296 | mult = 1024; | |
1297 | break; | |
1298 | case 'm': | |
1299 | case 'M': | |
1300 | mult = 1024 * 1024; | |
1301 | break; | |
1302 | case 'g': | |
1303 | case 'G': | |
1304 | mult = 1024 * 1024 * 1024; | |
1305 | break; | |
1306 | } | |
1307 | ||
1308 | *val = strtoul(str, NULL, 10); | |
1309 | if (*val == ULONG_MAX && errno == ERANGE) | |
1310 | return 1; | |
1311 | ||
1312 | *val *= mult; | |
1313 | return 0; | |
1314 | ||
1315 | } | |
1316 | ||
892199bd JA |
1317 | /* |
1318 | * job key words: | |
1319 | * | |
1320 | * file= | |
1321 | * bs= | |
1322 | * rw= | |
1323 | * direct= | |
1324 | */ | |
5c24b2c4 | 1325 | static void parse_jobs_cmd(int argc, char *argv[], int index) |
892199bd | 1326 | { |
f737299d JA |
1327 | struct thread_data *td; |
1328 | unsigned int prio, prioclass, cpu; | |
892199bd JA |
1329 | char *string, *filename, *p, *c; |
1330 | int i; | |
1331 | ||
1332 | string = malloc(256); | |
1333 | filename = malloc(256); | |
1334 | ||
1335 | for (i = index; i < argc; i++) { | |
1336 | p = argv[i]; | |
1337 | ||
1338 | c = strpbrk(p, "{"); | |
1339 | if (!c) | |
1340 | break; | |
1341 | ||
1342 | filename[0] = 0; | |
4240cfa1 | 1343 | |
47d45203 | 1344 | td = get_new_job(0); |
4240cfa1 JA |
1345 | if (!td) |
1346 | break; | |
f737299d | 1347 | |
892199bd | 1348 | prioclass = 2; |
f737299d | 1349 | prio = 4; |
892199bd JA |
1350 | |
1351 | c = strstr(p, "rw="); | |
1352 | if (c) { | |
1353 | c += 3; | |
1354 | if (*c == '0') | |
f737299d | 1355 | td->ddir = DDIR_READ; |
892199bd | 1356 | else |
f737299d | 1357 | td->ddir = DDIR_WRITE; |
892199bd JA |
1358 | } |
1359 | ||
1360 | c = strstr(p, "prio="); | |
1361 | if (c) { | |
1362 | c += 5; | |
1363 | prio = *c - '0'; | |
1364 | } | |
1365 | ||
1366 | c = strstr(p, "prioclass="); | |
1367 | if (c) { | |
1368 | c += 10; | |
1369 | prioclass = *c - '0'; | |
1370 | } | |
1371 | ||
1372 | c = strstr(p, "file="); | |
1373 | if (c) { | |
1374 | c += 5; | |
1375 | fill_option(c, filename); | |
1376 | } | |
1377 | ||
1378 | c = strstr(p, "bs="); | |
1379 | if (c) { | |
1380 | c += 3; | |
1381 | fill_option(c, string); | |
f737299d JA |
1382 | td->bs = strtoul(string, NULL, 10); |
1383 | td->bs <<= 10; | |
892199bd JA |
1384 | } |
1385 | ||
1386 | c = strstr(p, "direct="); | |
1387 | if (c) { | |
1388 | c += 7; | |
1389 | if (*c != '0') | |
f737299d | 1390 | td->odirect = 1; |
892199bd | 1391 | else |
f737299d | 1392 | td->odirect = 0; |
892199bd JA |
1393 | } |
1394 | ||
74b4b5fb JA |
1395 | c = strstr(p, "sync="); |
1396 | if (c) { | |
1397 | c += 5; | |
1398 | if (*c != '0') | |
1399 | td->sync_io = 1; | |
1400 | else | |
1401 | td->sync_io = 0; | |
1402 | } | |
1403 | ||
892199bd JA |
1404 | c = strstr(p, "delay="); |
1405 | if (c) { | |
1406 | c += 6; | |
1407 | fill_option(c, string); | |
f737299d | 1408 | td->delay_sleep = strtoul(string, NULL, 10); |
892199bd JA |
1409 | } |
1410 | ||
86184d14 JA |
1411 | c = strstr(p, "rate="); |
1412 | if (c) { | |
1413 | c += 5; | |
1414 | fill_option(c, string); | |
f737299d | 1415 | td->rate = strtoul(string, NULL, 10); |
86184d14 JA |
1416 | } |
1417 | ||
4240cfa1 JA |
1418 | c = strstr(p, "ratemin="); |
1419 | if (c) { | |
1420 | c += 8; | |
1421 | fill_option(c, string); | |
1422 | td->ratemin = strtoul(string, NULL, 10); | |
1423 | } | |
1424 | ||
1425 | c = strstr(p, "ratecycle="); | |
1426 | if (c) { | |
1427 | c += 10; | |
1428 | fill_option(c, string); | |
1429 | td->ratecycle = strtoul(string, NULL, 10); | |
1430 | } | |
1431 | ||
18e0b78c JA |
1432 | c = strstr(p, "cpumask="); |
1433 | if (c) { | |
1434 | c += 8; | |
1435 | fill_option(c, string); | |
1436 | cpu = strtoul(string, NULL, 10); | |
f737299d | 1437 | fill_cpu_mask(td->cpumask, cpu); |
18e0b78c JA |
1438 | } |
1439 | ||
4240cfa1 JA |
1440 | c = strstr(p, "fsync="); |
1441 | if (c) { | |
1442 | c += 6; | |
1443 | fill_option(c, string); | |
1444 | td->fsync_blocks = strtoul(string, NULL, 10); | |
1445 | } | |
18e0b78c | 1446 | |
fc24389f JA |
1447 | c = strstr(p, "startdelay="); |
1448 | if (c) { | |
1449 | c += 11; | |
1450 | fill_option(c, string); | |
1451 | td->start_delay = strtoul(string, NULL, 10); | |
1452 | } | |
1453 | ||
67903a2e JA |
1454 | c = strstr(p, "timeout="); |
1455 | if (c) { | |
1456 | c += 8; | |
1457 | fill_option(c, string); | |
1458 | td->timeout = strtoul(string, NULL, 10); | |
1459 | } | |
1460 | ||
b95799ca JA |
1461 | c = strstr(p, "invalidate="); |
1462 | if (c) { | |
1463 | c += 11; | |
1464 | if (*c != '0') | |
1465 | td->invalidate_cache = 1; | |
1466 | else | |
1467 | td->invalidate_cache = 0; | |
1468 | } | |
1469 | ||
02983297 JA |
1470 | c = strstr(p, "size="); |
1471 | if (c) { | |
1472 | c += 5; | |
1473 | str_cnv(c, &td->file_size); | |
1474 | } | |
1475 | ||
1476 | c = strstr(p, "offset="); | |
1477 | if (c) { | |
1478 | c += 7; | |
1479 | str_cnv(c, &td->file_offset); | |
1480 | } | |
1481 | ||
43000118 JA |
1482 | c = strstr(p, "aio_depth="); |
1483 | if (c) { | |
1484 | c += 10; | |
1485 | fill_option(c, string); | |
1486 | td->aio_depth = strtoul(string, NULL, 10); | |
1487 | } | |
1488 | ||
99c6704f JA |
1489 | c = strstr(p, "mem="); |
1490 | if (c) { | |
1491 | c += 4; | |
1492 | if (!strncmp(c, "malloc", 6)) | |
1493 | td->mem_type = MEM_MALLOC; | |
1494 | else if (!strncmp(c, "shm", 3)) | |
1495 | td->mem_type = MEM_SHM; | |
1496 | else | |
1497 | printf("bad mem type %s\n", c); | |
1498 | } | |
1499 | ||
43000118 JA |
1500 | c = strstr(p, "aio"); |
1501 | if (c) | |
1502 | td->use_aio = 1; | |
1503 | ||
02983297 JA |
1504 | c = strstr(p, "create"); |
1505 | if (c) | |
1506 | td->create_file = 1; | |
1507 | ||
1508 | c = strstr(p, "overwrite"); | |
1509 | if (c) | |
1510 | td->overwrite = 1; | |
1511 | ||
892199bd JA |
1512 | c = strstr(p, "random"); |
1513 | if (c) | |
f737299d | 1514 | td->sequential = 0; |
892199bd JA |
1515 | c = strstr(p, "sequential"); |
1516 | if (c) | |
f737299d | 1517 | td->sequential = 1; |
892199bd | 1518 | |
4240cfa1 JA |
1519 | if (add_job(td, filename, prioclass, prio)) |
1520 | put_job(td); | |
892199bd JA |
1521 | } |
1522 | ||
7dd1389e JA |
1523 | free(string); |
1524 | free(filename); | |
892199bd JA |
1525 | } |
1526 | ||
02983297 JA |
1527 | static int check_strcnv(char *p, char *name, unsigned long long *val) |
1528 | { | |
1529 | if (!strstr(p, name)) | |
1530 | return 1; | |
1531 | ||
1532 | return str_cnv(p, val); | |
1533 | } | |
1534 | ||
99c6704f JA |
1535 | static int check_str(char *p, char *name, char *option) |
1536 | { | |
1537 | char *s = strstr(p, name); | |
1538 | ||
1539 | if (!s) | |
1540 | return 1; | |
1541 | ||
1542 | s += strlen(name); | |
1543 | if (strstr(s, option)) | |
1544 | return 0; | |
1545 | ||
1546 | return 1; | |
1547 | } | |
1548 | ||
5c24b2c4 | 1549 | static int check_int(char *p, char *name, unsigned int *val) |
7dd1389e JA |
1550 | { |
1551 | char str[128]; | |
1552 | ||
1553 | sprintf(str, "%s=%%d", name); | |
1554 | if (sscanf(p, str, val) == 1) | |
1555 | return 0; | |
1556 | ||
1557 | sprintf(str, "%s = %%d", name); | |
1558 | if (sscanf(p, str, val) == 1) | |
1559 | return 0; | |
1560 | ||
1561 | return 1; | |
1562 | } | |
1563 | ||
7292613b | 1564 | static int is_empty_or_comment(char *line) |
7dd1389e JA |
1565 | { |
1566 | unsigned int i; | |
1567 | ||
7292613b | 1568 | for (i = 0; i < strlen(line); i++) { |
7292613b | 1569 | if (line[i] == ';') |
47d45203 JA |
1570 | return 1; |
1571 | if (!isspace(line[i]) && !iscntrl(line[i])) | |
7292613b JA |
1572 | return 0; |
1573 | } | |
7dd1389e JA |
1574 | |
1575 | return 1; | |
1576 | } | |
1577 | ||
5c24b2c4 | 1578 | static int parse_jobs_ini(char *file) |
7dd1389e | 1579 | { |
47d45203 | 1580 | unsigned int prioclass, prio, cpu, global; |
f737299d | 1581 | struct thread_data *td; |
7dd1389e JA |
1582 | char *string, *name; |
1583 | fpos_t off; | |
1584 | FILE *f; | |
1585 | char *p; | |
1586 | ||
1587 | f = fopen(file, "r"); | |
1588 | if (!f) { | |
1589 | perror("fopen"); | |
4240cfa1 | 1590 | return 1; |
7dd1389e JA |
1591 | } |
1592 | ||
1593 | string = malloc(4096); | |
1594 | name = malloc(256); | |
1595 | ||
7dd1389e | 1596 | while ((p = fgets(string, 4096, f)) != NULL) { |
7292613b JA |
1597 | if (is_empty_or_comment(p)) |
1598 | continue; | |
7dd1389e JA |
1599 | if (sscanf(p, "[%s]", name) != 1) |
1600 | continue; | |
1601 | ||
47d45203 JA |
1602 | global = !strncmp(name, "global", 6); |
1603 | ||
7dd1389e JA |
1604 | name[strlen(name) - 1] = '\0'; |
1605 | ||
47d45203 | 1606 | td = get_new_job(global); |
4240cfa1 JA |
1607 | if (!td) |
1608 | break; | |
f737299d | 1609 | |
7dd1389e | 1610 | prioclass = 2; |
f737299d | 1611 | prio = 4; |
7dd1389e JA |
1612 | |
1613 | fgetpos(f, &off); | |
1614 | while ((p = fgets(string, 4096, f)) != NULL) { | |
7292613b | 1615 | if (is_empty_or_comment(p)) |
e6402082 JA |
1616 | continue; |
1617 | if (strstr(p, "[")) | |
7dd1389e | 1618 | break; |
f737299d JA |
1619 | if (!check_int(p, "bs", &td->bs)) { |
1620 | td->bs <<= 10; | |
7dd1389e JA |
1621 | fgetpos(f, &off); |
1622 | continue; | |
1623 | } | |
f737299d | 1624 | if (!check_int(p, "rw", &td->ddir)) { |
7dd1389e JA |
1625 | fgetpos(f, &off); |
1626 | continue; | |
1627 | } | |
1628 | if (!check_int(p, "prio", &prio)) { | |
1629 | fgetpos(f, &off); | |
1630 | continue; | |
1631 | } | |
1632 | if (!check_int(p, "prioclass", &prioclass)) { | |
1633 | fgetpos(f, &off); | |
1634 | continue; | |
1635 | } | |
f737299d | 1636 | if (!check_int(p, "direct", &td->odirect)) { |
7dd1389e JA |
1637 | fgetpos(f, &off); |
1638 | continue; | |
1639 | } | |
f737299d | 1640 | if (!check_int(p, "rate", &td->rate)) { |
7dd1389e JA |
1641 | fgetpos(f, &off); |
1642 | continue; | |
1643 | } | |
4240cfa1 JA |
1644 | if (!check_int(p, "ratemin", &td->ratemin)) { |
1645 | fgetpos(f, &off); | |
1646 | continue; | |
1647 | } | |
1648 | if (!check_int(p, "ratecycle", &td->ratecycle)) { | |
1649 | fgetpos(f, &off); | |
1650 | continue; | |
1651 | } | |
f737299d | 1652 | if (!check_int(p, "delay", &td->delay_sleep)) { |
7dd1389e JA |
1653 | fgetpos(f, &off); |
1654 | continue; | |
1655 | } | |
18e0b78c | 1656 | if (!check_int(p, "cpumask", &cpu)) { |
f737299d | 1657 | fill_cpu_mask(td->cpumask, cpu); |
18e0b78c JA |
1658 | fgetpos(f, &off); |
1659 | continue; | |
1660 | } | |
4240cfa1 JA |
1661 | if (!check_int(p, "fsync", &td->fsync_blocks)) { |
1662 | fgetpos(f, &off); | |
1663 | continue; | |
1664 | } | |
fc24389f JA |
1665 | if (!check_int(p, "startdelay", &td->start_delay)) { |
1666 | fgetpos(f, &off); | |
1667 | continue; | |
1668 | } | |
67903a2e JA |
1669 | if (!check_int(p, "timeout", &td->timeout)) { |
1670 | fgetpos(f, &off); | |
1671 | continue; | |
1672 | } | |
b95799ca JA |
1673 | if (!check_int(p, "invalidate",&td->invalidate_cache)) { |
1674 | fgetpos(f, &off); | |
1675 | continue; | |
1676 | } | |
43000118 JA |
1677 | if (!check_int(p, "aio_depth", &td->aio_depth)) { |
1678 | fgetpos(f, &off); | |
1679 | continue; | |
1680 | } | |
74b4b5fb JA |
1681 | if (!check_int(p, "sync", &td->sync_io)) { |
1682 | fgetpos(f, &off); | |
1683 | continue; | |
1684 | } | |
02983297 JA |
1685 | if (!check_strcnv(p, "size", &td->file_size)) { |
1686 | fgetpos(f, &off); | |
1687 | continue; | |
1688 | } | |
1689 | if (!check_strcnv(p, "offset", &td->file_offset)) { | |
1690 | fgetpos(f, &off); | |
1691 | continue; | |
1692 | } | |
99c6704f | 1693 | if (!check_str(p, "mem", "malloc")) { |
99c6704f JA |
1694 | td->mem_type = MEM_MALLOC; |
1695 | fgetpos(f, &off); | |
1696 | continue; | |
1697 | } | |
1698 | if (!check_str(p, "mem", "shm")) { | |
99c6704f JA |
1699 | td->mem_type = MEM_SHM; |
1700 | fgetpos(f, &off); | |
1701 | continue; | |
1702 | } | |
43000118 | 1703 | if (!strncmp(p, "sequential", 10)) { |
f737299d | 1704 | td->sequential = 1; |
7dd1389e JA |
1705 | fgetpos(f, &off); |
1706 | continue; | |
1707 | } | |
43000118 | 1708 | if (!strncmp(p, "random", 6)) { |
f737299d | 1709 | td->sequential = 0; |
7dd1389e JA |
1710 | fgetpos(f, &off); |
1711 | continue; | |
1712 | } | |
43000118 JA |
1713 | if (!strncmp(p, "aio", 3)) { |
1714 | td->use_aio = 1; | |
1715 | fgetpos(f, &off); | |
1716 | continue; | |
1717 | } | |
02983297 JA |
1718 | if (!strncmp(p, "create", 6)) { |
1719 | td->create_file = 1; | |
1720 | fgetpos(f, &off); | |
1721 | continue; | |
1722 | } | |
1723 | if (!strncmp(p, "overwrite", 9)) { | |
1724 | td->overwrite = 1; | |
1725 | fgetpos(f, &off); | |
1726 | continue; | |
1727 | } | |
e6402082 | 1728 | printf("Client%d: bad option %s\n",td->thread_number,p); |
7dd1389e JA |
1729 | } |
1730 | fsetpos(f, &off); | |
1731 | ||
4240cfa1 JA |
1732 | if (add_job(td, name, prioclass, prio)) |
1733 | put_job(td); | |
7dd1389e JA |
1734 | } |
1735 | ||
1736 | free(string); | |
1737 | free(name); | |
fc7d63df | 1738 | fclose(f); |
4240cfa1 | 1739 | return 0; |
7dd1389e JA |
1740 | } |
1741 | ||
5c24b2c4 | 1742 | static int parse_options(int argc, char *argv[]) |
892199bd | 1743 | { |
01c4d8de | 1744 | int i; |
892199bd JA |
1745 | |
1746 | for (i = 1; i < argc; i++) { | |
1747 | char *parm = argv[i]; | |
1748 | ||
1749 | if (parm[0] != '-') | |
1750 | break; | |
1751 | ||
1752 | parm++; | |
1753 | switch (*parm) { | |
1754 | case 's': | |
1755 | parm++; | |
47d45203 | 1756 | def_thread.sequential = !!atoi(parm); |
892199bd JA |
1757 | break; |
1758 | case 'b': | |
1759 | parm++; | |
47d45203 JA |
1760 | def_thread.bs = atoi(parm); |
1761 | def_thread.bs <<= 10; | |
1762 | if (!def_thread.bs) { | |
4240cfa1 | 1763 | printf("bad block size\n"); |
47d45203 | 1764 | def_thread.bs = DEF_BS; |
4240cfa1 | 1765 | } |
892199bd JA |
1766 | break; |
1767 | case 't': | |
1768 | parm++; | |
47d45203 | 1769 | def_thread.timeout = atoi(parm); |
892199bd | 1770 | break; |
892199bd JA |
1771 | case 'r': |
1772 | parm++; | |
1773 | repeatable = !!atoi(parm); | |
1774 | break; | |
02bdd9ba JA |
1775 | case 'R': |
1776 | parm++; | |
1777 | rate_quit = !!atoi(parm); | |
1778 | break; | |
892199bd JA |
1779 | case 'o': |
1780 | parm++; | |
47d45203 | 1781 | def_thread.odirect = !!atoi(parm); |
892199bd | 1782 | break; |
7dd1389e JA |
1783 | case 'f': |
1784 | if (i + 1 >= argc) { | |
1785 | printf("-f needs file as arg\n"); | |
1786 | break; | |
1787 | } | |
1788 | ini_file = strdup(argv[i+1]); | |
a642279f | 1789 | i++; |
7dd1389e | 1790 | break; |
a0a9b35b JA |
1791 | case 'l': |
1792 | write_lat_log = 1; | |
1793 | break; | |
1794 | case 'w': | |
1795 | write_bw_log = 1; | |
1796 | break; | |
892199bd | 1797 | default: |
7dd1389e | 1798 | printf("bad option %s\n", argv[i]); |
892199bd JA |
1799 | break; |
1800 | } | |
1801 | } | |
1802 | ||
892199bd JA |
1803 | return i; |
1804 | } | |
1805 | ||
3f39453a | 1806 | static void print_thread_status(struct thread_data *td, int nr_running, |
8dbff0b1 | 1807 | int t_rate, int m_rate) |
3f39453a | 1808 | { |
3f39453a JA |
1809 | printf("Threads now running: %d", nr_running); |
1810 | if (m_rate || t_rate) | |
1811 | printf(", commitrate %d/%dKiB/sec", t_rate, m_rate); | |
8dbff0b1 JA |
1812 | printf(" : [%s]\r", run_str); |
1813 | fflush(stdout); | |
3f39453a JA |
1814 | } |
1815 | ||
213b446c | 1816 | static void reap_threads(int *nr_running, int *t_rate, int *m_rate) |
02bdd9ba | 1817 | { |
213b446c | 1818 | int i; |
02bdd9ba | 1819 | |
3f39453a JA |
1820 | /* |
1821 | * reap exited threads (TD_EXITED -> TD_REAPED) | |
1822 | */ | |
02bdd9ba JA |
1823 | for (i = 0; i < thread_number; i++) { |
1824 | struct thread_data *td = &threads[i]; | |
1825 | ||
213b446c JA |
1826 | if (td->runstate != TD_EXITED) |
1827 | continue; | |
02bdd9ba | 1828 | |
213b446c | 1829 | td->runstate = TD_REAPED; |
8dbff0b1 | 1830 | run_str[td->thread_number - 1] = '_'; |
213b446c JA |
1831 | waitpid(td->pid, NULL, 0); |
1832 | (*nr_running)--; | |
1833 | (*m_rate) -= td->ratemin; | |
1834 | (*t_rate) -= td->rate; | |
e6402082 JA |
1835 | |
1836 | if (td->terminate) | |
1837 | continue; | |
1838 | ||
8dbff0b1 | 1839 | print_thread_status(td, *nr_running, *t_rate, *m_rate); |
213b446c | 1840 | } |
02bdd9ba JA |
1841 | } |
1842 | ||
fc24389f JA |
1843 | static void run_threads(char *argv[]) |
1844 | { | |
be33abe4 | 1845 | struct timeval genesis; |
fc24389f JA |
1846 | struct thread_data *td; |
1847 | unsigned long spent; | |
213b446c | 1848 | int i, todo, nr_running, m_rate, t_rate; |
fc24389f JA |
1849 | |
1850 | gettimeofday(&genesis, NULL); | |
1851 | ||
1852 | printf("Starting %d threads\n", thread_number); | |
1853 | fflush(stdout); | |
1854 | ||
7292613b JA |
1855 | signal(SIGINT, sig_handler); |
1856 | ||
fc24389f | 1857 | todo = thread_number; |
02bdd9ba | 1858 | nr_running = 0; |
213b446c | 1859 | m_rate = t_rate = 0; |
fc24389f | 1860 | |
213b446c | 1861 | while (todo) { |
3f39453a JA |
1862 | /* |
1863 | * create threads (TD_NOT_CREATED -> TD_CREATED) | |
1864 | */ | |
fc24389f JA |
1865 | for (i = 0; i < thread_number; i++) { |
1866 | td = &threads[i]; | |
1867 | ||
02bdd9ba | 1868 | if (td->runstate != TD_NOT_CREATED) |
fc24389f JA |
1869 | continue; |
1870 | ||
213b446c JA |
1871 | /* |
1872 | * never got a chance to start, killed by other | |
1873 | * thread for some reason | |
1874 | */ | |
1875 | if (td->terminate) { | |
1876 | todo--; | |
1877 | continue; | |
1878 | } | |
1879 | ||
fc24389f | 1880 | if (td->start_delay) { |
be33abe4 | 1881 | spent = mtime_since_now(&genesis); |
fc24389f JA |
1882 | |
1883 | if (td->start_delay * 1000 > spent) | |
1884 | continue; | |
1885 | } | |
1886 | ||
02bdd9ba | 1887 | td->runstate = TD_CREATED; |
8dbff0b1 | 1888 | run_str[td->thread_number - 1] = 'C'; |
fc24389f JA |
1889 | sem_init(&startup_sem, 1, 1); |
1890 | todo--; | |
1891 | ||
1892 | if (fork()) | |
1893 | sem_wait(&startup_sem); | |
1894 | else { | |
1895 | thread_main(shm_id, i, argv); | |
1896 | exit(0); | |
1897 | } | |
1898 | } | |
1899 | ||
3f39453a JA |
1900 | /* |
1901 | * start created threads (TD_CREATED -> TD_STARTED) | |
1902 | */ | |
fc24389f JA |
1903 | for (i = 0; i < thread_number; i++) { |
1904 | struct thread_data *td = &threads[i]; | |
1905 | ||
3f39453a JA |
1906 | if (td->runstate != TD_CREATED) |
1907 | continue; | |
1908 | ||
1909 | td->runstate = TD_STARTED; | |
8dbff0b1 | 1910 | run_str[td->thread_number - 1] = '+'; |
3f39453a JA |
1911 | nr_running++; |
1912 | m_rate += td->ratemin; | |
1913 | t_rate += td->rate; | |
1914 | sem_post(&td->mutex); | |
1915 | ||
8dbff0b1 | 1916 | print_thread_status(td, nr_running, t_rate, m_rate); |
fc24389f JA |
1917 | } |
1918 | ||
213b446c | 1919 | reap_threads(&nr_running, &t_rate, &m_rate); |
02bdd9ba | 1920 | |
fc24389f JA |
1921 | if (todo) |
1922 | usleep(100000); | |
1923 | } | |
02bdd9ba JA |
1924 | |
1925 | while (nr_running) { | |
213b446c | 1926 | reap_threads(&nr_running, &t_rate, &m_rate); |
02bdd9ba JA |
1927 | usleep(10000); |
1928 | } | |
fc24389f JA |
1929 | } |
1930 | ||
8867c0a8 | 1931 | int setup_thread_area(void) |
892199bd | 1932 | { |
8867c0a8 JA |
1933 | /* |
1934 | * 1024 is too much on some machines, scale max_jobs if | |
1935 | * we get a failure that looks like too large a shm segment | |
1936 | */ | |
1937 | do { | |
1938 | int s = max_jobs * sizeof(struct thread_data); | |
18e0b78c | 1939 | |
8867c0a8 JA |
1940 | shm_id = shmget(0, s, IPC_CREAT | 0600); |
1941 | if (shm_id != -1) | |
1942 | break; | |
1943 | if (errno != EINVAL) { | |
1944 | perror("shmget"); | |
1945 | break; | |
1946 | } | |
1947 | ||
1948 | max_jobs >>= 1; | |
d4fac444 | 1949 | } while (max_jobs); |
8867c0a8 JA |
1950 | |
1951 | if (shm_id == -1) | |
892199bd | 1952 | return 1; |
892199bd JA |
1953 | |
1954 | threads = shmat(shm_id, NULL, 0); | |
8867c0a8 | 1955 | if (threads == (void *) -1) { |
86184d14 JA |
1956 | perror("shmat"); |
1957 | return 1; | |
1958 | } | |
892199bd JA |
1959 | |
1960 | atexit(free_shm); | |
8867c0a8 JA |
1961 | return 0; |
1962 | } | |
1963 | ||
1964 | int main(int argc, char *argv[]) | |
1965 | { | |
1966 | static unsigned long max_run[2], min_run[2], total_blocks[2]; | |
57d753e3 | 1967 | static unsigned long max_bw[2], min_bw[2]; |
8867c0a8 JA |
1968 | static unsigned long read_mb, write_mb, read_agg, write_agg; |
1969 | int i; | |
1970 | ||
1971 | if (setup_thread_area()) | |
1972 | return 1; | |
892199bd | 1973 | |
47d45203 | 1974 | if (sched_getaffinity(getpid(), sizeof(cpu_set_t), &def_thread.cpumask) == -1) { |
4240cfa1 JA |
1975 | perror("sched_getaffinity"); |
1976 | return 1; | |
1977 | } | |
1978 | ||
47d45203 JA |
1979 | /* |
1980 | * fill globals | |
1981 | */ | |
1982 | def_thread.ddir = DDIR_READ; | |
1983 | def_thread.bs = DEF_BS; | |
02983297 | 1984 | def_thread.odirect = DEF_ODIRECT; |
47d45203 | 1985 | def_thread.ratecycle = DEF_RATE_CYCLE; |
02983297 | 1986 | def_thread.sequential = DEF_SEQUENTIAL; |
47d45203 | 1987 | def_thread.timeout = DEF_TIMEOUT; |
02983297 JA |
1988 | def_thread.create_file = DEF_CREATE; |
1989 | def_thread.overwrite = DEF_OVERWRITE; | |
b95799ca | 1990 | def_thread.invalidate_cache = DEF_INVALIDATE; |
99c6704f JA |
1991 | def_thread.sync_io = DEF_SYNCIO; |
1992 | def_thread.mem_type = MEM_MALLOC; | |
47d45203 | 1993 | |
892199bd | 1994 | i = parse_options(argc, argv); |
7dd1389e | 1995 | |
4240cfa1 JA |
1996 | if (ini_file) { |
1997 | if (parse_jobs_ini(ini_file)) | |
1998 | return 1; | |
1999 | } else | |
2000 | parse_jobs_cmd(argc, argv, i); | |
7dd1389e | 2001 | |
4240cfa1 JA |
2002 | if (!thread_number) { |
2003 | printf("Nothing to do\n"); | |
2004 | return 1; | |
2005 | } | |
7dd1389e | 2006 | |
fc24389f | 2007 | run_threads(argv); |
892199bd | 2008 | |
892199bd JA |
2009 | min_bw[0] = min_run[0] = ~0UL; |
2010 | min_bw[1] = min_run[1] = ~0UL; | |
892199bd JA |
2011 | for (i = 0; i < thread_number; i++) { |
2012 | struct thread_data *td = &threads[i]; | |
2013 | unsigned long bw = 0; | |
2014 | ||
2015 | if (td->error) | |
7dd1389e | 2016 | goto show_stat; |
892199bd JA |
2017 | |
2018 | if (td->runtime < min_run[td->ddir]) | |
2019 | min_run[td->ddir] = td->runtime; | |
2020 | if (td->runtime > max_run[td->ddir]) | |
2021 | max_run[td->ddir] = td->runtime; | |
2022 | ||
2023 | if (td->runtime) | |
4240cfa1 | 2024 | bw = (td->io_blocks * td->bs) / td->runtime; |
892199bd JA |
2025 | if (bw < min_bw[td->ddir]) |
2026 | min_bw[td->ddir] = bw; | |
2027 | if (bw > max_bw[td->ddir]) | |
2028 | max_bw[td->ddir] = bw; | |
892199bd | 2029 | |
4240cfa1 | 2030 | total_blocks[td->ddir] += td->io_blocks; |
892199bd | 2031 | |
02983297 | 2032 | if (td_read(td)) { |
4240cfa1 | 2033 | read_mb += (td->bs * td->io_blocks) >> 20; |
892199bd | 2034 | if (td->runtime) |
4240cfa1 | 2035 | read_agg += (td->io_blocks * td->bs) / td->runtime; |
02983297 | 2036 | } else { |
4240cfa1 | 2037 | write_mb += (td->bs * td->io_blocks) >> 20; |
892199bd | 2038 | if (td->runtime) |
4240cfa1 | 2039 | write_agg += (td->io_blocks * td->bs) / td->runtime; |
892199bd JA |
2040 | } |
2041 | ||
7dd1389e | 2042 | show_stat: |
892199bd JA |
2043 | show_thread_status(td); |
2044 | } | |
2045 | ||
57d753e3 | 2046 | printf("\nRun status:\n"); |
892199bd | 2047 | if (max_run[DDIR_READ]) |
57d753e3 | 2048 | printf(" READ: io=%luMiB, aggrb=%lu, minb=%lu, maxb=%lu, mint=%lumsec, maxt=%lumsec\n", read_mb, read_agg, min_bw[0], max_bw[0], min_run[0], max_run[0]); |
892199bd | 2049 | if (max_run[DDIR_WRITE]) |
57d753e3 | 2050 | printf(" WRITE: io=%luMiB, aggrb=%lu, minb=%lu, maxb=%lu, mint=%lumsec, maxt=%lumsec\n", write_mb, write_agg, min_bw[1], max_bw[1], min_run[1], max_run[1]); |
fc24389f | 2051 | |
892199bd JA |
2052 | return 0; |
2053 | } |