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) |
eb39963f | 129 | #define DEF_RANDSEED (0xb1899bedUL) |
1d035750 | 130 | #define DEF_BWAVGTIME (500) |
4240cfa1 JA |
131 | |
132 | #define ALIGN(buf) (char *) (((unsigned long) (buf) + MASK) & ~(MASK)) | |
892199bd | 133 | |
4240cfa1 | 134 | static int repeatable = DEF_RAND_REPEAT; |
02bdd9ba | 135 | static int rate_quit = 1; |
a0a9b35b JA |
136 | static int write_lat_log; |
137 | static int write_bw_log; | |
98dd52d6 | 138 | static int exitall_on_terminate; |
892199bd | 139 | |
892199bd | 140 | static int thread_number; |
7dd1389e | 141 | static char *ini_file; |
892199bd | 142 | |
8867c0a8 JA |
143 | static int max_jobs = MAX_JOBS; |
144 | ||
8dbff0b1 JA |
145 | static char run_str[MAX_JOBS + 1]; |
146 | ||
892199bd JA |
147 | static int shm_id; |
148 | ||
4240cfa1 JA |
149 | enum { |
150 | DDIR_READ = 0, | |
151 | DDIR_WRITE, | |
152 | }; | |
892199bd | 153 | |
02bdd9ba JA |
154 | /* |
155 | * thread life cycle | |
156 | */ | |
157 | enum { | |
158 | TD_NOT_CREATED = 0, | |
159 | TD_CREATED, | |
160 | TD_STARTED, | |
161 | TD_EXITED, | |
162 | TD_REAPED, | |
163 | }; | |
164 | ||
99c6704f JA |
165 | enum { |
166 | MEM_MALLOC, | |
167 | MEM_SHM, | |
168 | }; | |
169 | ||
2c83567e JA |
170 | /* |
171 | * The io unit | |
172 | */ | |
173 | struct io_u { | |
174 | struct iocb iocb; | |
57d753e3 | 175 | struct timeval start_time; |
2c83567e JA |
176 | struct timeval issue_time; |
177 | ||
2c83567e JA |
178 | char *buf; |
179 | unsigned int buflen; | |
4ac89145 | 180 | unsigned long long offset; |
2c83567e JA |
181 | |
182 | struct list_head list; | |
183 | }; | |
184 | ||
57d753e3 JA |
185 | struct io_stat { |
186 | unsigned long val; | |
187 | unsigned long val_sq; | |
188 | unsigned long max_val; | |
189 | unsigned long min_val; | |
190 | unsigned long samples; | |
191 | }; | |
192 | ||
a0a9b35b JA |
193 | struct io_sample { |
194 | unsigned long time; | |
195 | unsigned long val; | |
196 | }; | |
197 | ||
198 | struct io_log { | |
199 | unsigned long nr_samples; | |
200 | unsigned long max_samples; | |
201 | struct io_sample *log; | |
202 | }; | |
203 | ||
02983297 JA |
204 | #define td_read(td) ((td)->ddir == DDIR_READ) |
205 | #define should_fsync(td) (!td_read(td) && !(td)->odirect) | |
206 | ||
892199bd JA |
207 | struct thread_data { |
208 | char file_name[256]; | |
209 | int thread_number; | |
210 | int error; | |
211 | int fd; | |
892199bd | 212 | pid_t pid; |
6b71c826 | 213 | char *orig_buffer; |
4240cfa1 | 214 | volatile int terminate; |
02bdd9ba | 215 | volatile int runstate; |
f737299d JA |
216 | unsigned int ddir; |
217 | unsigned int ioprio; | |
218 | unsigned int sequential; | |
219 | unsigned int bs; | |
8c033f93 JA |
220 | unsigned int min_bs; |
221 | unsigned int max_bs; | |
f737299d | 222 | unsigned int odirect; |
e97712ed | 223 | unsigned int thinktime; |
4240cfa1 | 224 | unsigned int fsync_blocks; |
fc24389f | 225 | unsigned int start_delay; |
47d45203 | 226 | unsigned int timeout; |
43000118 | 227 | unsigned int use_aio; |
02983297 JA |
228 | unsigned int create_file; |
229 | unsigned int overwrite; | |
b95799ca | 230 | unsigned int invalidate_cache; |
1d035750 | 231 | unsigned int bw_avg_time; |
02983297 JA |
232 | unsigned long long file_size; |
233 | unsigned long long file_offset; | |
74b4b5fb | 234 | unsigned int sync_io; |
99c6704f | 235 | unsigned int mem_type; |
18e0b78c | 236 | cpu_set_t cpumask; |
86184d14 | 237 | |
7889f07b JA |
238 | struct drand48_data bsrange_state; |
239 | ||
99c6704f JA |
240 | int shm_id; |
241 | ||
63a09e51 JA |
242 | off_t cur_off; |
243 | ||
254605cd | 244 | io_context_t aio_ctx; |
43000118 | 245 | unsigned int aio_depth; |
43000118 | 246 | struct io_event *aio_events; |
2c83567e JA |
247 | |
248 | unsigned int cur_depth; | |
249 | struct list_head io_u_freelist; | |
250 | struct list_head io_u_busylist; | |
43000118 | 251 | |
7dd1389e | 252 | unsigned int rate; |
4240cfa1 JA |
253 | unsigned int ratemin; |
254 | unsigned int ratecycle; | |
255 | unsigned long rate_usec_cycle; | |
256 | long rate_pending_usleep; | |
8c033f93 | 257 | unsigned long rate_kb; |
4240cfa1 | 258 | struct timeval lastrate; |
86184d14 | 259 | |
892199bd | 260 | unsigned long runtime; /* sec */ |
7889f07b | 261 | unsigned long kb; |
4240cfa1 | 262 | unsigned long io_blocks; |
8c033f93 | 263 | unsigned long io_kb; |
7889f07b | 264 | unsigned long last_kb; |
892199bd | 265 | sem_t mutex; |
892199bd JA |
266 | struct drand48_data random_state; |
267 | ||
268 | /* | |
e128065d | 269 | * bandwidth and latency stats |
892199bd | 270 | */ |
57d753e3 JA |
271 | struct io_stat clat_stat; /* completion latency */ |
272 | struct io_stat slat_stat; /* submission latency */ | |
273 | ||
274 | struct io_stat bw_stat; /* bandwidth stats */ | |
8c033f93 | 275 | unsigned long stat_io_kb; |
fd1ae4c9 | 276 | struct timeval stat_sample_time; |
4240cfa1 | 277 | |
a0a9b35b JA |
278 | struct io_log *lat_log; |
279 | struct io_log *bw_log; | |
280 | ||
4240cfa1 | 281 | struct timeval start; |
892199bd JA |
282 | }; |
283 | ||
284 | static struct thread_data *threads; | |
47d45203 | 285 | static struct thread_data def_thread; |
892199bd JA |
286 | |
287 | static sem_t startup_sem; | |
288 | ||
5c24b2c4 | 289 | static void sig_handler(int sig) |
892199bd JA |
290 | { |
291 | int i; | |
292 | ||
213b446c JA |
293 | for (i = 0; i < thread_number; i++) { |
294 | struct thread_data *td = &threads[i]; | |
295 | ||
296 | td->terminate = 1; | |
297 | td->start_delay = 0; | |
298 | } | |
02bdd9ba JA |
299 | } |
300 | ||
5c24b2c4 | 301 | static int init_random_state(struct thread_data *td) |
892199bd | 302 | { |
7889f07b JA |
303 | unsigned long seed = DEF_RANDSEED; |
304 | ||
305 | srand48_r(seed, &td->bsrange_state); | |
892199bd JA |
306 | |
307 | if (td->sequential) | |
308 | return 0; | |
309 | ||
310 | if (!repeatable) { | |
311 | int fd = open("/dev/random", O_RDONLY); | |
312 | ||
313 | if (fd == -1) { | |
314 | td->error = errno; | |
315 | return 1; | |
316 | } | |
317 | ||
7dd1389e | 318 | if (read(fd, &seed, sizeof(seed)) < (int) sizeof(seed)) { |
892199bd JA |
319 | td->error = EIO; |
320 | close(fd); | |
321 | return 1; | |
322 | } | |
323 | ||
324 | close(fd); | |
7889f07b | 325 | } |
892199bd JA |
326 | |
327 | srand48_r(seed, &td->random_state); | |
328 | return 0; | |
329 | } | |
330 | ||
5c24b2c4 | 331 | static unsigned long utime_since(struct timeval *s, struct timeval *e) |
892199bd JA |
332 | { |
333 | double sec, usec; | |
334 | ||
335 | sec = e->tv_sec - s->tv_sec; | |
336 | usec = e->tv_usec - s->tv_usec; | |
337 | if (sec > 0 && usec < 0) { | |
338 | sec--; | |
339 | usec += 1000000; | |
340 | } | |
341 | ||
342 | sec *= (double) 1000000; | |
343 | ||
344 | return sec + usec; | |
345 | } | |
346 | ||
5c24b2c4 | 347 | static unsigned long mtime_since(struct timeval *s, struct timeval *e) |
892199bd JA |
348 | { |
349 | double sec, usec; | |
350 | ||
351 | sec = e->tv_sec - s->tv_sec; | |
352 | usec = e->tv_usec - s->tv_usec; | |
353 | if (sec > 0 && usec < 0) { | |
354 | sec--; | |
355 | usec += 1000000; | |
356 | } | |
357 | ||
358 | sec *= (double) 1000; | |
359 | usec /= (double) 1000; | |
360 | ||
361 | return sec + usec; | |
362 | } | |
363 | ||
be33abe4 JA |
364 | static unsigned long mtime_since_now(struct timeval *s) |
365 | { | |
366 | struct timeval t; | |
367 | ||
368 | gettimeofday(&t, NULL); | |
369 | return mtime_since(s, &t); | |
370 | } | |
371 | ||
98168d55 JA |
372 | static inline unsigned long msec_now(struct timeval *s) |
373 | { | |
374 | return s->tv_sec * 1000 + s->tv_usec / 1000; | |
375 | } | |
376 | ||
4ac89145 | 377 | static unsigned long long get_next_offset(struct thread_data *td) |
892199bd | 378 | { |
f31fd9c8 | 379 | unsigned long long kb; |
892199bd JA |
380 | long r; |
381 | ||
382 | if (!td->sequential) { | |
383 | lrand48_r(&td->random_state, &r); | |
f31fd9c8 | 384 | kb = (1+(double) (td->kb-1) * r / (RAND_MAX+1.0)); |
7889f07b | 385 | } else |
f31fd9c8 | 386 | kb = td->last_kb; |
7889f07b | 387 | |
f31fd9c8 | 388 | return (kb << 10) + td->file_offset; |
7889f07b JA |
389 | } |
390 | ||
391 | static unsigned int get_next_buflen(struct thread_data *td) | |
392 | { | |
393 | unsigned int buflen; | |
394 | long r; | |
395 | ||
396 | if (td->min_bs == td->max_bs) | |
397 | buflen = td->min_bs; | |
398 | else { | |
399 | lrand48_r(&td->bsrange_state, &r); | |
400 | buflen = (1 + (double) (td->max_bs - 1) * r / (RAND_MAX + 1.0)); | |
401 | buflen = (buflen + td->min_bs - 1) & ~(td->min_bs - 1); | |
892199bd JA |
402 | } |
403 | ||
7889f07b JA |
404 | if (buflen > ((td->kb - td->io_kb) << 10)) |
405 | buflen = (td->kb - td->io_kb) << 10; | |
406 | ||
407 | td->last_kb += buflen >> 10; | |
408 | return buflen; | |
892199bd JA |
409 | } |
410 | ||
57d753e3 JA |
411 | static inline void add_stat_sample(struct thread_data *td, struct io_stat *is, |
412 | unsigned long val) | |
892199bd | 413 | { |
57d753e3 JA |
414 | if (val > is->max_val) |
415 | is->max_val = val; | |
416 | if (val < is->min_val) | |
417 | is->min_val = val; | |
418 | ||
419 | is->val += val; | |
420 | is->val_sq += val * val; | |
421 | is->samples++; | |
422 | } | |
fd1ae4c9 | 423 | |
a0a9b35b JA |
424 | static void add_log_sample(struct thread_data *td, struct io_log *log, |
425 | unsigned long val) | |
426 | { | |
427 | if (log->nr_samples == log->max_samples) { | |
428 | int new_size = sizeof(struct io_sample) * log->max_samples * 2; | |
429 | ||
430 | log->log = realloc(log->log, new_size); | |
431 | log->max_samples <<= 1; | |
432 | } | |
433 | ||
434 | log->log[log->nr_samples].val = val; | |
435 | log->log[log->nr_samples].time = mtime_since_now(&td->start); | |
436 | log->nr_samples++; | |
437 | } | |
438 | ||
57d753e3 JA |
439 | static void add_clat_sample(struct thread_data *td, unsigned long msec) |
440 | { | |
441 | add_stat_sample(td, &td->clat_stat, msec); | |
a0a9b35b JA |
442 | |
443 | if (td->lat_log) | |
444 | add_log_sample(td, td->lat_log, msec); | |
57d753e3 | 445 | } |
fd1ae4c9 | 446 | |
57d753e3 JA |
447 | static void add_slat_sample(struct thread_data *td, unsigned long msec) |
448 | { | |
449 | add_stat_sample(td, &td->slat_stat, msec); | |
450 | } | |
fd1ae4c9 | 451 | |
57d753e3 JA |
452 | static void add_bw_sample(struct thread_data *td, unsigned long msec) |
453 | { | |
454 | unsigned long spent = mtime_since_now(&td->stat_sample_time); | |
455 | unsigned long rate; | |
456 | ||
1d035750 | 457 | if (spent < td->bw_avg_time) |
57d753e3 JA |
458 | return; |
459 | ||
7889f07b | 460 | rate = ((td->io_kb - td->stat_io_kb) * 1024) / spent; |
57d753e3 JA |
461 | add_stat_sample(td, &td->bw_stat, rate); |
462 | ||
a0a9b35b JA |
463 | if (td->bw_log) |
464 | add_log_sample(td, td->bw_log, rate); | |
465 | ||
57d753e3 | 466 | gettimeofday(&td->stat_sample_time, NULL); |
8c033f93 | 467 | td->stat_io_kb = td->io_kb; |
892199bd JA |
468 | } |
469 | ||
5c24b2c4 | 470 | static void usec_sleep(int usec) |
892199bd | 471 | { |
86184d14 JA |
472 | struct timespec req = { .tv_sec = 0, .tv_nsec = usec * 1000 }; |
473 | struct timespec rem; | |
892199bd JA |
474 | |
475 | do { | |
86184d14 JA |
476 | rem.tv_sec = rem.tv_nsec = 0; |
477 | nanosleep(&req, &rem); | |
478 | if (!rem.tv_nsec) | |
892199bd | 479 | break; |
86184d14 JA |
480 | |
481 | req.tv_nsec = rem.tv_nsec; | |
892199bd JA |
482 | } while (1); |
483 | } | |
484 | ||
9e850933 JA |
485 | static void rate_throttle(struct thread_data *td, unsigned long time_spent, |
486 | unsigned int bytes) | |
86184d14 | 487 | { |
9e850933 JA |
488 | unsigned long usec_cycle; |
489 | ||
4240cfa1 JA |
490 | if (!td->rate) |
491 | return; | |
492 | ||
9e850933 JA |
493 | usec_cycle = td->rate_usec_cycle * (bytes / td->min_bs); |
494 | ||
495 | if (time_spent < usec_cycle) { | |
496 | unsigned long s = usec_cycle - time_spent; | |
86184d14 JA |
497 | |
498 | td->rate_pending_usleep += s; | |
fad86e6a | 499 | if (td->rate_pending_usleep >= 100000) { |
86184d14 JA |
500 | usec_sleep(td->rate_pending_usleep); |
501 | td->rate_pending_usleep = 0; | |
502 | } | |
4240cfa1 | 503 | } else { |
9e850933 | 504 | long overtime = time_spent - usec_cycle; |
42b2b9fe | 505 | |
4240cfa1 JA |
506 | td->rate_pending_usleep -= overtime; |
507 | } | |
508 | } | |
509 | ||
5c24b2c4 | 510 | static int check_min_rate(struct thread_data *td, struct timeval *now) |
4240cfa1 | 511 | { |
7607bc6b | 512 | unsigned long spent; |
4240cfa1 JA |
513 | unsigned long rate; |
514 | ||
515 | /* | |
516 | * allow a 2 second settle period in the beginning | |
517 | */ | |
7607bc6b | 518 | if (mtime_since(&td->start, now) < 2000) |
4240cfa1 JA |
519 | return 0; |
520 | ||
521 | /* | |
522 | * if rate blocks is set, sample is running | |
523 | */ | |
8c033f93 | 524 | if (td->rate_kb) { |
4240cfa1 JA |
525 | spent = mtime_since(&td->lastrate, now); |
526 | if (spent < td->ratecycle) | |
527 | return 0; | |
528 | ||
7889f07b | 529 | rate = ((td->io_kb - td->rate_kb) * 1024) / spent; |
4240cfa1 JA |
530 | if (rate < td->ratemin) { |
531 | printf("Client%d: min rate %d not met, got %ldKiB/sec\n", td->thread_number, td->ratemin, rate); | |
02bdd9ba | 532 | if (rate_quit) |
e6402082 | 533 | sig_handler(0); |
4240cfa1 JA |
534 | return 1; |
535 | } | |
86184d14 | 536 | } |
4240cfa1 | 537 | |
8c033f93 | 538 | td->rate_kb = td->io_kb; |
4240cfa1 JA |
539 | memcpy(&td->lastrate, now, sizeof(*now)); |
540 | return 0; | |
86184d14 JA |
541 | } |
542 | ||
67903a2e JA |
543 | static inline int runtime_exceeded(struct thread_data *td, struct timeval *t) |
544 | { | |
545 | if (mtime_since(&td->start, t) >= td->timeout * 1000) | |
546 | return 1; | |
547 | ||
548 | return 0; | |
549 | } | |
550 | ||
2c83567e JA |
551 | static void put_io_u(struct thread_data *td, struct io_u *io_u) |
552 | { | |
553 | list_del(&io_u->list); | |
554 | list_add(&io_u->list, &td->io_u_freelist); | |
555 | td->cur_depth--; | |
556 | } | |
557 | ||
558 | static struct io_u *get_io_u(struct thread_data *td) | |
559 | { | |
560 | struct io_u *io_u; | |
7889f07b JA |
561 | unsigned int len; |
562 | unsigned long long off; | |
2c83567e JA |
563 | |
564 | if (list_empty(&td->io_u_freelist)) | |
565 | return NULL; | |
566 | ||
7889f07b JA |
567 | off = get_next_offset(td); |
568 | len = get_next_buflen(td); | |
569 | if (!len) | |
570 | return NULL; | |
571 | ||
2c83567e JA |
572 | io_u = list_entry(td->io_u_freelist.next, struct io_u, list); |
573 | list_del(&io_u->list); | |
574 | list_add(&io_u->list, &td->io_u_busylist); | |
575 | ||
7889f07b JA |
576 | io_u->offset = off; |
577 | io_u->buflen = len; | |
2c83567e JA |
578 | |
579 | if (td->use_aio) { | |
580 | if (td_read(td)) | |
581 | io_prep_pread(&io_u->iocb, td->fd, io_u->buf, io_u->buflen, io_u->offset); | |
582 | else | |
583 | io_prep_pwrite(&io_u->iocb, td->fd, io_u->buf, io_u->buflen, io_u->offset); | |
584 | } | |
585 | ||
57d753e3 | 586 | gettimeofday(&io_u->start_time, NULL); |
2c83567e JA |
587 | td->cur_depth++; |
588 | return io_u; | |
589 | } | |
590 | ||
43000118 | 591 | static void do_sync_io(struct thread_data *td) |
892199bd | 592 | { |
7889f07b | 593 | unsigned long msec, usec; |
2c83567e | 594 | struct timeval e; |
892199bd | 595 | |
63a09e51 JA |
596 | td->cur_off = 0; |
597 | ||
7889f07b | 598 | for (td->io_kb = 0; td->io_kb < td->kb;) { |
2c83567e | 599 | struct io_u *io_u; |
892199bd JA |
600 | int ret; |
601 | ||
602 | if (td->terminate) | |
603 | break; | |
604 | ||
2c83567e | 605 | io_u = get_io_u(td); |
7889f07b JA |
606 | if (!io_u) |
607 | break; | |
2c83567e | 608 | |
63a09e51 JA |
609 | if (td->cur_off != io_u->offset) { |
610 | if (lseek(td->fd, io_u->offset, SEEK_SET) == -1) { | |
611 | td->error = errno; | |
612 | break; | |
613 | } | |
892199bd JA |
614 | } |
615 | ||
02983297 | 616 | if (td_read(td)) |
2c83567e | 617 | ret = read(td->fd, io_u->buf, io_u->buflen); |
892199bd | 618 | else |
2c83567e | 619 | ret = write(td->fd, io_u->buf, io_u->buflen); |
892199bd | 620 | |
2c83567e | 621 | if (ret < (int) io_u->buflen) { |
892199bd JA |
622 | if (ret == -1) |
623 | td->error = errno; | |
624 | break; | |
625 | } | |
626 | ||
4240cfa1 | 627 | td->io_blocks++; |
8c033f93 | 628 | td->io_kb += io_u->buflen >> 10; |
63a09e51 | 629 | td->cur_off = io_u->offset + io_u->buflen; |
4240cfa1 | 630 | |
86184d14 JA |
631 | gettimeofday(&e, NULL); |
632 | ||
57d753e3 | 633 | usec = utime_since(&io_u->start_time, &e); |
86184d14 | 634 | |
9e850933 | 635 | rate_throttle(td, usec, io_u->buflen); |
892199bd | 636 | |
4240cfa1 JA |
637 | if (check_min_rate(td, &e)) { |
638 | td->error = ENODATA; | |
639 | break; | |
640 | } | |
892199bd | 641 | |
4240cfa1 | 642 | msec = usec / 1000; |
57d753e3 JA |
643 | add_clat_sample(td, msec); |
644 | add_bw_sample(td, msec); | |
67903a2e JA |
645 | |
646 | if (runtime_exceeded(td, &e)) | |
647 | break; | |
2c83567e | 648 | |
cdf92433 JA |
649 | put_io_u(td, io_u); |
650 | ||
e97712ed JA |
651 | if (td->thinktime) |
652 | usec_sleep(td->thinktime); | |
653 | ||
cdf92433 JA |
654 | if (should_fsync(td) && td->fsync_blocks && |
655 | (td->io_blocks % td->fsync_blocks) == 0) | |
656 | fsync(td->fd); | |
892199bd JA |
657 | } |
658 | ||
4240cfa1 | 659 | if (should_fsync(td)) |
892199bd | 660 | fsync(td->fd); |
892199bd | 661 | } |
43000118 | 662 | |
2c83567e | 663 | static int io_u_queue(struct thread_data *td, struct io_u *io_u) |
56b0eff0 | 664 | { |
2c83567e | 665 | struct iocb *iocb = &io_u->iocb; |
56b0eff0 JA |
666 | int ret; |
667 | ||
668 | do { | |
254605cd | 669 | ret = io_submit(td->aio_ctx, 1, &iocb); |
56b0eff0 JA |
670 | if (ret == 1) |
671 | return 0; | |
a592bd33 | 672 | else if (ret == EAGAIN) |
56b0eff0 | 673 | usleep(100); |
a592bd33 JA |
674 | else if (ret == EINTR) |
675 | continue; | |
56b0eff0 JA |
676 | else |
677 | break; | |
678 | } while (1); | |
679 | ||
a592bd33 | 680 | return ret; |
56b0eff0 JA |
681 | } |
682 | ||
98168d55 | 683 | #define iocb_time(iocb) ((unsigned long) (iocb)->data) |
2c83567e JA |
684 | #define ev_to_iou(ev) (struct io_u *) ((unsigned long) (ev)->obj) |
685 | ||
9e850933 | 686 | static int ios_completed(struct thread_data *td, int nr) |
2c83567e JA |
687 | { |
688 | unsigned long msec; | |
689 | struct io_u *io_u; | |
690 | struct timeval e; | |
9e850933 | 691 | int i, bytes_done; |
2c83567e JA |
692 | |
693 | gettimeofday(&e, NULL); | |
694 | ||
9e850933 | 695 | for (i = 0, bytes_done = 0; i < nr; i++) { |
2c83567e JA |
696 | io_u = ev_to_iou(td->aio_events + i); |
697 | ||
8c033f93 JA |
698 | td->io_blocks++; |
699 | td->io_kb += io_u->buflen >> 10; | |
9e850933 | 700 | bytes_done += io_u->buflen; |
8c033f93 | 701 | |
2c83567e JA |
702 | msec = mtime_since(&io_u->issue_time, &e); |
703 | ||
57d753e3 JA |
704 | add_clat_sample(td, msec); |
705 | add_bw_sample(td, msec); | |
2c83567e JA |
706 | |
707 | put_io_u(td, io_u); | |
708 | } | |
9e850933 JA |
709 | |
710 | return bytes_done; | |
2c83567e JA |
711 | } |
712 | ||
713 | static void cleanup_pending_aio(struct thread_data *td) | |
714 | { | |
715 | struct timespec ts = { .tv_sec = 0, .tv_nsec = 0}; | |
716 | struct list_head *entry, *n; | |
717 | struct io_u *io_u; | |
718 | int r; | |
719 | ||
720 | /* | |
721 | * get immediately available events, if any | |
722 | */ | |
723 | r = io_getevents(td->aio_ctx, 0, td->cur_depth, td->aio_events, &ts); | |
724 | if (r > 0) | |
725 | ios_completed(td, r); | |
726 | ||
727 | /* | |
728 | * now cancel remaining active events | |
729 | */ | |
730 | list_for_each_safe(entry, n, &td->io_u_busylist) { | |
731 | io_u = list_entry(entry, struct io_u, list); | |
732 | ||
733 | r = io_cancel(td->aio_ctx, &io_u->iocb, td->aio_events); | |
734 | if (!r) | |
735 | put_io_u(td, io_u); | |
736 | } | |
737 | ||
738 | if (td->cur_depth) { | |
739 | r = io_getevents(td->aio_ctx, td->cur_depth, td->cur_depth, td->aio_events, NULL); | |
740 | if (r > 0) | |
741 | ios_completed(td, r); | |
742 | } | |
743 | } | |
98168d55 | 744 | |
43000118 JA |
745 | static void do_async_io(struct thread_data *td) |
746 | { | |
747 | struct timeval s, e; | |
7889f07b | 748 | unsigned long usec; |
43000118 | 749 | |
7889f07b | 750 | for (td->io_kb = 0; td->io_kb < td->kb;) { |
43000118 JA |
751 | struct timespec ts = { .tv_sec = 0, .tv_nsec = 0}; |
752 | struct timespec *timeout; | |
2c83567e JA |
753 | int ret, min_evts = 0; |
754 | struct io_u *io_u; | |
9e850933 | 755 | unsigned int bytes_done; |
43000118 JA |
756 | |
757 | if (td->terminate) | |
758 | break; | |
759 | ||
2c83567e | 760 | io_u = get_io_u(td); |
7889f07b JA |
761 | if (!io_u) |
762 | break; | |
43000118 | 763 | |
57d753e3 | 764 | memcpy(&s, &io_u->start_time, sizeof(s)); |
8baf1bcc | 765 | |
2c83567e | 766 | ret = io_u_queue(td, io_u); |
56b0eff0 | 767 | if (ret) { |
a3fdb993 | 768 | put_io_u(td, io_u); |
a592bd33 | 769 | td->error = ret; |
43000118 JA |
770 | break; |
771 | } | |
772 | ||
57d753e3 JA |
773 | gettimeofday(&io_u->issue_time, NULL); |
774 | add_slat_sample(td, mtime_since(&io_u->start_time, &io_u->issue_time)); | |
2c83567e | 775 | if (td->cur_depth < td->aio_depth) { |
43000118 JA |
776 | timeout = &ts; |
777 | min_evts = 0; | |
778 | } else { | |
779 | timeout = NULL; | |
780 | min_evts = 1; | |
781 | } | |
782 | ||
2c83567e | 783 | ret = io_getevents(td->aio_ctx, min_evts, td->cur_depth, td->aio_events, timeout); |
43000118 JA |
784 | if (ret < 0) { |
785 | td->error = errno; | |
786 | break; | |
787 | } else if (!ret) | |
788 | continue; | |
789 | ||
9e850933 | 790 | bytes_done = ios_completed(td, ret); |
43000118 | 791 | |
98168d55 JA |
792 | /* |
793 | * the rate is batched for now, it should work for batches | |
794 | * of completions except the very first one which may look | |
795 | * a little bursty | |
796 | */ | |
2c83567e | 797 | gettimeofday(&e, NULL); |
43000118 JA |
798 | usec = utime_since(&s, &e); |
799 | ||
9e850933 | 800 | rate_throttle(td, usec, bytes_done); |
43000118 JA |
801 | |
802 | if (check_min_rate(td, &e)) { | |
803 | td->error = ENODATA; | |
804 | break; | |
805 | } | |
67903a2e JA |
806 | |
807 | if (runtime_exceeded(td, &e)) | |
808 | break; | |
765d9223 JA |
809 | |
810 | if (td->thinktime) | |
811 | usec_sleep(td->thinktime); | |
cdf92433 JA |
812 | |
813 | if (should_fsync(td) && td->fsync_blocks && | |
814 | (td->io_blocks % td->fsync_blocks) == 0) | |
815 | fsync(td->fd); | |
43000118 | 816 | } |
56b0eff0 | 817 | |
2c83567e JA |
818 | if (td->cur_depth) |
819 | cleanup_pending_aio(td); | |
4ac89145 JA |
820 | |
821 | if (should_fsync(td)) | |
822 | fsync(td->fd); | |
56b0eff0 JA |
823 | } |
824 | ||
825 | static void cleanup_aio(struct thread_data *td) | |
826 | { | |
254605cd JA |
827 | io_destroy(td->aio_ctx); |
828 | ||
43000118 JA |
829 | if (td->aio_events) |
830 | free(td->aio_events); | |
43000118 JA |
831 | } |
832 | ||
833 | static int init_aio(struct thread_data *td) | |
834 | { | |
254605cd | 835 | if (io_queue_init(td->aio_depth, &td->aio_ctx)) { |
43000118 JA |
836 | td->error = errno; |
837 | return 1; | |
838 | } | |
839 | ||
43000118 | 840 | td->aio_events = malloc(td->aio_depth * sizeof(struct io_event)); |
43000118 JA |
841 | return 0; |
842 | } | |
843 | ||
2c83567e JA |
844 | static void cleanup_io_u(struct thread_data *td) |
845 | { | |
846 | struct list_head *entry, *n; | |
847 | struct io_u *io_u; | |
848 | ||
849 | list_for_each_safe(entry, n, &td->io_u_freelist) { | |
850 | io_u = list_entry(entry, struct io_u, list); | |
851 | ||
852 | list_del(&io_u->list); | |
2c83567e JA |
853 | free(io_u); |
854 | } | |
6b71c826 | 855 | |
99c6704f JA |
856 | if (td->mem_type == MEM_MALLOC) |
857 | free(td->orig_buffer); | |
858 | else if (td->mem_type == MEM_SHM) { | |
859 | struct shmid_ds sbuf; | |
860 | ||
861 | shmdt(td->orig_buffer); | |
862 | shmctl(td->shm_id, IPC_RMID, &sbuf); | |
863 | } | |
2c83567e JA |
864 | } |
865 | ||
99c6704f | 866 | static int init_io_u(struct thread_data *td) |
2c83567e JA |
867 | { |
868 | struct io_u *io_u; | |
99c6704f | 869 | int i, max_units, mem_size; |
6b71c826 | 870 | char *p; |
2c83567e JA |
871 | |
872 | if (!td->use_aio) | |
873 | max_units = 1; | |
874 | else | |
875 | max_units = td->aio_depth; | |
876 | ||
7889f07b | 877 | mem_size = td->max_bs * max_units + MASK; |
99c6704f JA |
878 | |
879 | if (td->mem_type == MEM_MALLOC) | |
880 | td->orig_buffer = malloc(mem_size); | |
881 | else if (td->mem_type == MEM_SHM) { | |
882 | td->shm_id = shmget(IPC_PRIVATE, mem_size, IPC_CREAT | 0600); | |
883 | if (td->shm_id < 0) { | |
884 | td->error = errno; | |
885 | perror("shmget"); | |
886 | return 1; | |
887 | } | |
888 | ||
889 | td->orig_buffer = shmat(td->shm_id, NULL, 0); | |
890 | if (td->orig_buffer == (void *) -1) { | |
891 | td->error = errno; | |
892 | perror("shmat"); | |
893 | return 1; | |
894 | } | |
895 | } | |
6b71c826 | 896 | |
2c83567e JA |
897 | INIT_LIST_HEAD(&td->io_u_freelist); |
898 | INIT_LIST_HEAD(&td->io_u_busylist); | |
899 | ||
99c6704f | 900 | p = ALIGN(td->orig_buffer); |
2c83567e JA |
901 | for (i = 0; i < max_units; i++) { |
902 | io_u = malloc(sizeof(*io_u)); | |
903 | memset(io_u, 0, sizeof(*io_u)); | |
904 | INIT_LIST_HEAD(&io_u->list); | |
905 | ||
7889f07b | 906 | io_u->buf = p + td->max_bs * i; |
2c83567e JA |
907 | list_add(&io_u->list, &td->io_u_freelist); |
908 | } | |
99c6704f JA |
909 | |
910 | return 0; | |
2c83567e JA |
911 | } |
912 | ||
a0a9b35b JA |
913 | static void setup_log(struct io_log **log) |
914 | { | |
915 | struct io_log *l = malloc(sizeof(*l)); | |
916 | ||
917 | l->nr_samples = 0; | |
918 | l->max_samples = 1024; | |
919 | l->log = malloc(l->max_samples * sizeof(struct io_sample)); | |
920 | *log = l; | |
921 | } | |
922 | ||
923 | static void finish_log(struct thread_data *td, struct io_log *log, char *name) | |
924 | { | |
925 | char file_name[128]; | |
926 | FILE *f; | |
927 | int i; | |
928 | ||
929 | sprintf(file_name, "client%d_%s.log", td->thread_number, name); | |
930 | f = fopen(file_name, "w"); | |
931 | if (!f) { | |
932 | perror("fopen log"); | |
933 | return; | |
934 | } | |
935 | ||
936 | for (i = 0; i < log->nr_samples; i++) | |
937 | fprintf(f, "%lu, %lu\n", log->log[i].time, log->log[i].val); | |
938 | ||
939 | fclose(f); | |
940 | free(log->log); | |
941 | free(log); | |
942 | } | |
943 | ||
02983297 JA |
944 | static int create_file(struct thread_data *td) |
945 | { | |
7889f07b | 946 | unsigned long long left; |
02983297 | 947 | char *b; |
7889f07b | 948 | int r, bs; |
02983297 | 949 | |
02983297 JA |
950 | /* |
951 | * unless specifically asked for overwrite, let normal io extend it | |
952 | */ | |
953 | if (!td_read(td) && !td->overwrite) | |
954 | return 0; | |
955 | ||
57d753e3 JA |
956 | if (!td->file_size) { |
957 | fprintf(stderr, "Need size for create\n"); | |
958 | td->error = EINVAL; | |
959 | return 1; | |
960 | } | |
961 | ||
42fd89a7 JA |
962 | printf("Client%d: Laying out IO file\n", td->thread_number); |
963 | ||
02983297 JA |
964 | td->fd = open(td->file_name, O_WRONLY | O_CREAT | O_TRUNC, 0644); |
965 | if (td->fd < 0) { | |
966 | td->error = errno; | |
967 | return 1; | |
968 | } | |
969 | ||
7889f07b JA |
970 | td->kb = td->file_size >> 10; |
971 | b = malloc(td->max_bs); | |
972 | memset(b, 0, td->max_bs); | |
973 | ||
974 | left = td->file_size; | |
975 | while (left) { | |
976 | bs = td->max_bs; | |
977 | if (bs > left) | |
978 | bs = left; | |
02983297 | 979 | |
7889f07b | 980 | r = write(td->fd, b, bs); |
02983297 | 981 | |
7889f07b JA |
982 | if (r == bs) { |
983 | left -= bs; | |
02983297 | 984 | continue; |
7889f07b | 985 | } else { |
02983297 JA |
986 | if (r < 0) |
987 | td->error = errno; | |
988 | else | |
989 | td->error = EIO; | |
990 | ||
991 | break; | |
992 | } | |
993 | } | |
994 | ||
995 | fsync(td->fd); | |
996 | close(td->fd); | |
997 | td->fd = -1; | |
998 | free(b); | |
999 | return 0; | |
1000 | } | |
1001 | ||
1002 | static int file_exists(struct thread_data *td) | |
1003 | { | |
1004 | struct stat st; | |
1005 | ||
1006 | if (stat(td->file_name, &st) != -1) | |
1007 | return 1; | |
1008 | ||
1009 | return errno != ENOENT; | |
1010 | } | |
1011 | ||
1012 | static int setup_file(struct thread_data *td) | |
1013 | { | |
1014 | struct stat st; | |
1015 | int flags = 0; | |
1016 | ||
1017 | if (!file_exists(td)) { | |
1018 | if (!td->create_file) { | |
1019 | td->error = ENOENT; | |
1020 | return 1; | |
1021 | } | |
1022 | if (create_file(td)) | |
1023 | return 1; | |
1024 | } | |
1025 | ||
1026 | if (td->odirect) | |
1027 | flags |= O_DIRECT; | |
1028 | ||
1029 | if (td_read(td)) | |
1030 | td->fd = open(td->file_name, flags | O_RDONLY); | |
1031 | else { | |
1032 | if (!td->overwrite) | |
1033 | flags |= O_TRUNC; | |
74b4b5fb JA |
1034 | if (td->sync_io) |
1035 | flags |= O_SYNC; | |
02983297 JA |
1036 | |
1037 | td->fd = open(td->file_name, flags | O_WRONLY | O_CREAT, 0600); | |
1038 | } | |
1039 | ||
1040 | if (td->fd == -1) { | |
1041 | td->error = errno; | |
1042 | return 1; | |
1043 | } | |
1044 | ||
1045 | if (td_read(td)) { | |
1046 | if (fstat(td->fd, &st) == -1) { | |
1047 | td->error = errno; | |
1048 | return 1; | |
1049 | } | |
1050 | ||
1051 | if (td->file_size > st.st_size) | |
1052 | st.st_size = td->file_size; | |
1053 | } else { | |
1054 | if (!td->file_size) | |
1055 | td->file_size = 1024 * 1024 * 1024; | |
1056 | ||
1057 | st.st_size = td->file_size; | |
1058 | } | |
1059 | ||
7889f07b JA |
1060 | td->kb = (st.st_size - td->file_offset) / 1024; |
1061 | if (!td->kb) { | |
02983297 JA |
1062 | fprintf(stderr, "Client%d: no io blocks\n", td->thread_number); |
1063 | td->error = EINVAL; | |
1064 | return 1; | |
1065 | } | |
1066 | ||
b95799ca JA |
1067 | if (td->invalidate_cache) { |
1068 | if (fadvise(td->fd, 0, st.st_size, POSIX_FADV_DONTNEED) < 0) { | |
1069 | td->error = errno; | |
1070 | return 1; | |
1071 | } | |
1072 | } | |
1073 | ||
02983297 JA |
1074 | return 0; |
1075 | } | |
1076 | ||
5c24b2c4 | 1077 | static void *thread_main(int shm_id, int offset, char *argv[]) |
892199bd JA |
1078 | { |
1079 | struct thread_data *td; | |
02983297 | 1080 | int ret = 1; |
2c83567e | 1081 | void *data; |
892199bd | 1082 | |
7292613b JA |
1083 | setsid(); |
1084 | ||
892199bd | 1085 | data = shmat(shm_id, NULL, 0); |
4ac89145 JA |
1086 | if (data == (void *) -1) { |
1087 | perror("shmat"); | |
1088 | return NULL; | |
1089 | } | |
1090 | ||
892199bd JA |
1091 | td = data + offset * sizeof(struct thread_data); |
1092 | td->pid = getpid(); | |
1093 | ||
99c6704f JA |
1094 | if (init_io_u(td)) |
1095 | goto err; | |
2c83567e | 1096 | |
18e0b78c JA |
1097 | if (sched_setaffinity(td->pid, sizeof(td->cpumask), &td->cpumask) == -1) { |
1098 | td->error = errno; | |
1099 | goto err; | |
1100 | } | |
1101 | ||
4240cfa1 | 1102 | sprintf(argv[0], "fio%d", offset); |
892199bd | 1103 | |
43000118 JA |
1104 | if (td->use_aio && init_aio(td)) |
1105 | goto err; | |
1106 | ||
892199bd | 1107 | if (init_random_state(td)) |
599002b3 | 1108 | goto err; |
892199bd | 1109 | |
f737299d | 1110 | if (td->ioprio) { |
892199bd JA |
1111 | if (ioprio_set(IOPRIO_WHO_PROCESS, 0, td->ioprio) == -1) { |
1112 | td->error = errno; | |
599002b3 | 1113 | goto err; |
892199bd JA |
1114 | } |
1115 | } | |
1116 | ||
1117 | sem_post(&startup_sem); | |
1118 | sem_wait(&td->mutex); | |
43000118 | 1119 | |
7292613b JA |
1120 | gettimeofday(&td->start, NULL); |
1121 | ||
1122 | if (td->ratemin) | |
1123 | memcpy(&td->lastrate, &td->start, sizeof(td->start)); | |
1124 | ||
fd1ae4c9 JA |
1125 | memcpy(&td->stat_sample_time, &td->start, sizeof(td->start)); |
1126 | ||
e4ed35c3 | 1127 | if (!td->use_aio) |
43000118 | 1128 | do_sync_io(td); |
e4ed35c3 | 1129 | else |
43000118 | 1130 | do_async_io(td); |
7292613b | 1131 | |
be33abe4 | 1132 | td->runtime = mtime_since_now(&td->start); |
892199bd | 1133 | ret = 0; |
a0a9b35b JA |
1134 | |
1135 | if (td->bw_log) | |
1136 | finish_log(td, td->bw_log, "bw"); | |
1137 | if (td->lat_log) | |
1138 | finish_log(td, td->lat_log, "lat"); | |
4ac89145 | 1139 | |
98dd52d6 JA |
1140 | if (exitall_on_terminate) |
1141 | sig_handler(0); | |
1142 | ||
892199bd | 1143 | err: |
7292613b JA |
1144 | if (td->fd != -1) { |
1145 | close(td->fd); | |
1146 | td->fd = -1; | |
1147 | } | |
4ac89145 JA |
1148 | if (td->use_aio) |
1149 | cleanup_aio(td); | |
2c83567e | 1150 | cleanup_io_u(td); |
599002b3 | 1151 | if (ret) { |
892199bd | 1152 | sem_post(&startup_sem); |
599002b3 JA |
1153 | sem_wait(&td->mutex); |
1154 | } | |
02bdd9ba | 1155 | td->runstate = TD_EXITED; |
4240cfa1 | 1156 | shmdt(data); |
892199bd JA |
1157 | return NULL; |
1158 | } | |
1159 | ||
5c24b2c4 | 1160 | static void free_shm(void) |
892199bd | 1161 | { |
c269123b JA |
1162 | struct shmid_ds sbuf; |
1163 | ||
1164 | if (threads) { | |
1165 | shmdt(threads); | |
1166 | threads = NULL; | |
1167 | shmctl(shm_id, IPC_RMID, &sbuf); | |
1168 | } | |
892199bd JA |
1169 | } |
1170 | ||
57d753e3 JA |
1171 | static int calc_lat(struct io_stat *is, unsigned long *min, unsigned long *max, |
1172 | double *mean, double *dev) | |
1173 | { | |
1174 | double n; | |
1175 | ||
1176 | if (is->samples == 0) | |
1177 | return 0; | |
1178 | ||
1179 | *min = is->min_val; | |
1180 | *max = is->max_val; | |
1181 | ||
1182 | n = (double) is->samples; | |
1183 | *mean = (double) is->val / n; | |
1184 | *dev = sqrt(((double) is->val_sq - (*mean * *mean) / n) / (n - 1)); | |
1185 | return 1; | |
1186 | } | |
1187 | ||
5c24b2c4 | 1188 | static void show_thread_status(struct thread_data *td) |
892199bd JA |
1189 | { |
1190 | int prio, prio_class; | |
57d753e3 JA |
1191 | unsigned long min, max, bw = 0; |
1192 | double mean, dev; | |
892199bd | 1193 | |
8c033f93 | 1194 | if (!td->io_kb && !td->error) |
213b446c JA |
1195 | return; |
1196 | ||
892199bd | 1197 | if (td->runtime) |
7889f07b | 1198 | bw = td->io_kb * 1024 / td->runtime; |
892199bd JA |
1199 | |
1200 | prio = td->ioprio & 0xff; | |
1201 | prio_class = td->ioprio >> IOPRIO_CLASS_SHIFT; | |
1202 | ||
396fe7cd | 1203 | printf("Client%d: err=%2d, io=%6luMiB, bw=%6luKiB/s, runt=%6lumsec\n", td->thread_number, td->error, td->io_kb >> 10, bw, td->runtime); |
fd1ae4c9 | 1204 | |
57d753e3 JA |
1205 | if (calc_lat(&td->slat_stat, &min, &max, &mean, &dev)) |
1206 | printf(" slat (msec): min=%5lu, max=%5lu, avg=%5.02f, dev=%5.02f\n", min, max, mean, dev); | |
1207 | if (calc_lat(&td->clat_stat, &min, &max, &mean, &dev)) | |
1208 | printf(" clat (msec): min=%5lu, max=%5lu, avg=%5.02f, dev=%5.02f\n", min, max, mean, dev); | |
1209 | if (calc_lat(&td->bw_stat, &min, &max, &mean, &dev)) | |
1210 | printf(" bw (KiB/s) : min=%5lu, max=%5lu, avg=%5.02f, dev=%5.02f\n", min, max, mean, dev); | |
892199bd JA |
1211 | } |
1212 | ||
5c24b2c4 | 1213 | static int setup_rate(struct thread_data *td) |
86184d14 | 1214 | { |
4240cfa1 JA |
1215 | int nr_reads_per_sec; |
1216 | ||
1217 | if (!td->rate) | |
1218 | return 0; | |
1219 | ||
1220 | if (td->rate < td->ratemin) { | |
1221 | fprintf(stderr, "min rate larger than nominal rate\n"); | |
1222 | return -1; | |
1223 | } | |
86184d14 | 1224 | |
7889f07b | 1225 | nr_reads_per_sec = td->rate * 1024 / td->min_bs; |
86184d14 JA |
1226 | td->rate_usec_cycle = 1000000 / nr_reads_per_sec; |
1227 | td->rate_pending_usleep = 0; | |
4240cfa1 | 1228 | return 0; |
86184d14 JA |
1229 | } |
1230 | ||
47d45203 | 1231 | static struct thread_data *get_new_job(int global) |
892199bd | 1232 | { |
4240cfa1 JA |
1233 | struct thread_data *td; |
1234 | ||
47d45203 JA |
1235 | if (global) |
1236 | return &def_thread; | |
8867c0a8 | 1237 | if (thread_number >= max_jobs) |
4240cfa1 JA |
1238 | return NULL; |
1239 | ||
1240 | td = &threads[thread_number++]; | |
fc24389f | 1241 | memset(td, 0, sizeof(*td)); |
892199bd | 1242 | |
e4ed35c3 | 1243 | td->fd = -1; |
86184d14 | 1244 | td->thread_number = thread_number; |
76cb7b42 | 1245 | |
47d45203 | 1246 | td->ddir = def_thread.ddir; |
76cb7b42 JA |
1247 | td->ioprio = def_thread.ioprio; |
1248 | td->sequential = def_thread.sequential; | |
47d45203 | 1249 | td->bs = def_thread.bs; |
8c033f93 JA |
1250 | td->min_bs = def_thread.min_bs; |
1251 | td->max_bs = def_thread.max_bs; | |
47d45203 | 1252 | td->odirect = def_thread.odirect; |
e97712ed | 1253 | td->thinktime = def_thread.thinktime; |
76cb7b42 JA |
1254 | td->fsync_blocks = def_thread.fsync_blocks; |
1255 | td->start_delay = def_thread.start_delay; | |
67903a2e | 1256 | td->timeout = def_thread.timeout; |
76cb7b42 | 1257 | td->use_aio = def_thread.use_aio; |
02983297 JA |
1258 | td->create_file = def_thread.create_file; |
1259 | td->overwrite = def_thread.overwrite; | |
b95799ca | 1260 | td->invalidate_cache = def_thread.invalidate_cache; |
76cb7b42 | 1261 | td->file_size = def_thread.file_size; |
9b5cf6c0 | 1262 | td->file_offset = def_thread.file_offset; |
76cb7b42 JA |
1263 | td->rate = def_thread.rate; |
1264 | td->ratemin = def_thread.ratemin; | |
1265 | td->ratecycle = def_thread.ratecycle; | |
1266 | td->aio_depth = def_thread.aio_depth; | |
99c6704f JA |
1267 | td->sync_io = def_thread.sync_io; |
1268 | td->mem_type = def_thread.mem_type; | |
1d035750 | 1269 | td->bw_avg_time = def_thread.bw_avg_time; |
47d45203 | 1270 | memcpy(&td->cpumask, &def_thread.cpumask, sizeof(td->cpumask)); |
f737299d JA |
1271 | |
1272 | return td; | |
1273 | } | |
1274 | ||
4240cfa1 JA |
1275 | static void put_job(struct thread_data *td) |
1276 | { | |
1277 | memset(&threads[td->thread_number - 1], 0, sizeof(*td)); | |
1278 | thread_number--; | |
1279 | } | |
1280 | ||
5c24b2c4 JA |
1281 | static int add_job(struct thread_data *td, const char *filename, int prioclass, |
1282 | int prio) | |
f737299d | 1283 | { |
47d45203 JA |
1284 | if (td == &def_thread) |
1285 | return 0; | |
1286 | ||
f737299d | 1287 | strcpy(td->file_name, filename); |
4240cfa1 | 1288 | sem_init(&td->mutex, 1, 0); |
f737299d JA |
1289 | td->ioprio = (prioclass << IOPRIO_CLASS_SHIFT) | prio; |
1290 | ||
57d753e3 JA |
1291 | td->clat_stat.min_val = ULONG_MAX; |
1292 | td->slat_stat.min_val = ULONG_MAX; | |
1293 | td->bw_stat.min_val = ULONG_MAX; | |
1294 | ||
8dbff0b1 JA |
1295 | run_str[td->thread_number - 1] = 'P'; |
1296 | ||
4ac89145 JA |
1297 | if (td->use_aio && !td->aio_depth) |
1298 | td->aio_depth = 1; | |
43000118 | 1299 | |
8bdcfab5 JA |
1300 | if (td->min_bs == -1) |
1301 | td->min_bs = td->bs; | |
1302 | if (td->max_bs == -1) | |
1303 | td->max_bs = td->bs; | |
1304 | ||
4240cfa1 JA |
1305 | if (setup_rate(td)) |
1306 | return -1; | |
f737299d | 1307 | |
a0a9b35b JA |
1308 | if (write_lat_log) |
1309 | setup_log(&td->lat_log); | |
1310 | if (write_bw_log) | |
1311 | setup_log(&td->bw_log); | |
1312 | ||
7889f07b | 1313 | printf("Client%d: file=%s, rw=%d, prio=%d/%d, seq=%d, odir=%d, bs=%d-%d, rate=%d, aio=%d, aio_depth=%d\n", td->thread_number, filename, td->ddir, prioclass, prio, td->sequential, td->odirect, td->min_bs, td->max_bs, td->rate, td->use_aio, td->aio_depth); |
4240cfa1 | 1314 | return 0; |
892199bd JA |
1315 | } |
1316 | ||
18e0b78c JA |
1317 | static void fill_cpu_mask(cpu_set_t cpumask, int cpu) |
1318 | { | |
f737299d | 1319 | unsigned int i; |
18e0b78c JA |
1320 | |
1321 | CPU_ZERO(&cpumask); | |
1322 | ||
1323 | for (i = 0; i < sizeof(int) * 8; i++) { | |
1324 | if ((1 << i) & cpu) | |
1325 | CPU_SET(i, &cpumask); | |
1326 | } | |
1327 | } | |
1328 | ||
5c24b2c4 | 1329 | static void fill_option(const char *input, char *output) |
892199bd JA |
1330 | { |
1331 | int i; | |
1332 | ||
1333 | i = 0; | |
1334 | while (input[i] != ',' && input[i] != '}' && input[i] != '\0') { | |
1335 | output[i] = input[i]; | |
1336 | i++; | |
1337 | } | |
1338 | ||
1339 | output[i] = '\0'; | |
1340 | } | |
1341 | ||
7889f07b JA |
1342 | unsigned long get_mult(char c) |
1343 | { | |
1344 | switch (c) { | |
1345 | case 'k': | |
1346 | case 'K': | |
1347 | return 1024; | |
1348 | case 'm': | |
1349 | case 'M': | |
1350 | return 1024 * 1024; | |
1351 | case 'g': | |
1352 | case 'G': | |
1353 | return 1024 * 1024 * 1024; | |
1354 | default: | |
1355 | return 1; | |
1356 | } | |
1357 | } | |
1358 | ||
02983297 JA |
1359 | /* |
1360 | * convert string after '=' into decimal value, noting any size suffix | |
1361 | */ | |
1362 | static int str_cnv(char *p, unsigned long long *val) | |
1363 | { | |
02983297 JA |
1364 | char *str; |
1365 | int len; | |
1366 | ||
1367 | str = strstr(p, "="); | |
1368 | if (!str) | |
1369 | return 1; | |
1370 | ||
1371 | str++; | |
1372 | len = strlen(str); | |
02983297 JA |
1373 | |
1374 | *val = strtoul(str, NULL, 10); | |
1375 | if (*val == ULONG_MAX && errno == ERANGE) | |
1376 | return 1; | |
1377 | ||
7889f07b | 1378 | *val *= get_mult(str[len - 2]); |
02983297 | 1379 | return 0; |
02983297 JA |
1380 | } |
1381 | ||
892199bd JA |
1382 | /* |
1383 | * job key words: | |
1384 | * | |
1385 | * file= | |
1386 | * bs= | |
1387 | * rw= | |
1388 | * direct= | |
1389 | */ | |
5c24b2c4 | 1390 | static void parse_jobs_cmd(int argc, char *argv[], int index) |
892199bd | 1391 | { |
f737299d JA |
1392 | struct thread_data *td; |
1393 | unsigned int prio, prioclass, cpu; | |
892199bd JA |
1394 | char *string, *filename, *p, *c; |
1395 | int i; | |
1396 | ||
1397 | string = malloc(256); | |
1398 | filename = malloc(256); | |
1399 | ||
1400 | for (i = index; i < argc; i++) { | |
1401 | p = argv[i]; | |
1402 | ||
1403 | c = strpbrk(p, "{"); | |
1404 | if (!c) | |
1405 | break; | |
1406 | ||
1407 | filename[0] = 0; | |
4240cfa1 | 1408 | |
47d45203 | 1409 | td = get_new_job(0); |
4240cfa1 JA |
1410 | if (!td) |
1411 | break; | |
f737299d | 1412 | |
892199bd | 1413 | prioclass = 2; |
f737299d | 1414 | prio = 4; |
892199bd JA |
1415 | |
1416 | c = strstr(p, "rw="); | |
1417 | if (c) { | |
1418 | c += 3; | |
1419 | if (*c == '0') | |
f737299d | 1420 | td->ddir = DDIR_READ; |
892199bd | 1421 | else |
f737299d | 1422 | td->ddir = DDIR_WRITE; |
892199bd JA |
1423 | } |
1424 | ||
1425 | c = strstr(p, "prio="); | |
1426 | if (c) { | |
1427 | c += 5; | |
1428 | prio = *c - '0'; | |
1429 | } | |
1430 | ||
1431 | c = strstr(p, "prioclass="); | |
1432 | if (c) { | |
1433 | c += 10; | |
1434 | prioclass = *c - '0'; | |
1435 | } | |
1436 | ||
1437 | c = strstr(p, "file="); | |
1438 | if (c) { | |
1439 | c += 5; | |
1440 | fill_option(c, filename); | |
1441 | } | |
1442 | ||
892199bd JA |
1443 | c = strstr(p, "direct="); |
1444 | if (c) { | |
1445 | c += 7; | |
1446 | if (*c != '0') | |
f737299d | 1447 | td->odirect = 1; |
892199bd | 1448 | else |
f737299d | 1449 | td->odirect = 0; |
892199bd JA |
1450 | } |
1451 | ||
74b4b5fb JA |
1452 | c = strstr(p, "sync="); |
1453 | if (c) { | |
1454 | c += 5; | |
1455 | if (*c != '0') | |
1456 | td->sync_io = 1; | |
1457 | else | |
1458 | td->sync_io = 0; | |
1459 | } | |
1460 | ||
e97712ed | 1461 | c = strstr(p, "thinktime="); |
892199bd | 1462 | if (c) { |
e97712ed | 1463 | c += 10; |
892199bd | 1464 | fill_option(c, string); |
e97712ed | 1465 | td->thinktime = strtoul(string, NULL, 10); |
892199bd JA |
1466 | } |
1467 | ||
86184d14 JA |
1468 | c = strstr(p, "rate="); |
1469 | if (c) { | |
1470 | c += 5; | |
1471 | fill_option(c, string); | |
f737299d | 1472 | td->rate = strtoul(string, NULL, 10); |
86184d14 JA |
1473 | } |
1474 | ||
4240cfa1 JA |
1475 | c = strstr(p, "ratemin="); |
1476 | if (c) { | |
1477 | c += 8; | |
1478 | fill_option(c, string); | |
1479 | td->ratemin = strtoul(string, NULL, 10); | |
1480 | } | |
1481 | ||
1482 | c = strstr(p, "ratecycle="); | |
1483 | if (c) { | |
1484 | c += 10; | |
1485 | fill_option(c, string); | |
1486 | td->ratecycle = strtoul(string, NULL, 10); | |
1487 | } | |
1488 | ||
18e0b78c JA |
1489 | c = strstr(p, "cpumask="); |
1490 | if (c) { | |
1491 | c += 8; | |
1492 | fill_option(c, string); | |
1493 | cpu = strtoul(string, NULL, 10); | |
f737299d | 1494 | fill_cpu_mask(td->cpumask, cpu); |
18e0b78c JA |
1495 | } |
1496 | ||
4240cfa1 JA |
1497 | c = strstr(p, "fsync="); |
1498 | if (c) { | |
1499 | c += 6; | |
1500 | fill_option(c, string); | |
1501 | td->fsync_blocks = strtoul(string, NULL, 10); | |
1502 | } | |
18e0b78c | 1503 | |
fc24389f JA |
1504 | c = strstr(p, "startdelay="); |
1505 | if (c) { | |
1506 | c += 11; | |
1507 | fill_option(c, string); | |
1508 | td->start_delay = strtoul(string, NULL, 10); | |
1509 | } | |
1510 | ||
67903a2e JA |
1511 | c = strstr(p, "timeout="); |
1512 | if (c) { | |
1513 | c += 8; | |
1514 | fill_option(c, string); | |
1515 | td->timeout = strtoul(string, NULL, 10); | |
1516 | } | |
1517 | ||
b95799ca JA |
1518 | c = strstr(p, "invalidate="); |
1519 | if (c) { | |
1520 | c += 11; | |
1521 | if (*c != '0') | |
1522 | td->invalidate_cache = 1; | |
1523 | else | |
1524 | td->invalidate_cache = 0; | |
1525 | } | |
1526 | ||
8c033f93 JA |
1527 | c = strstr(p, "bs="); |
1528 | if (c) { | |
1529 | unsigned long long bs; | |
1530 | ||
1531 | c += 3; | |
1532 | str_cnv(c, &bs); | |
1533 | td->bs = bs; | |
1534 | } | |
1535 | ||
02983297 JA |
1536 | c = strstr(p, "size="); |
1537 | if (c) { | |
1538 | c += 5; | |
1539 | str_cnv(c, &td->file_size); | |
1540 | } | |
1541 | ||
1542 | c = strstr(p, "offset="); | |
1543 | if (c) { | |
1544 | c += 7; | |
1545 | str_cnv(c, &td->file_offset); | |
1546 | } | |
1547 | ||
43000118 JA |
1548 | c = strstr(p, "aio_depth="); |
1549 | if (c) { | |
1550 | c += 10; | |
1551 | fill_option(c, string); | |
1552 | td->aio_depth = strtoul(string, NULL, 10); | |
1553 | } | |
1554 | ||
99c6704f JA |
1555 | c = strstr(p, "mem="); |
1556 | if (c) { | |
1557 | c += 4; | |
1558 | if (!strncmp(c, "malloc", 6)) | |
1559 | td->mem_type = MEM_MALLOC; | |
1560 | else if (!strncmp(c, "shm", 3)) | |
1561 | td->mem_type = MEM_SHM; | |
1562 | else | |
1563 | printf("bad mem type %s\n", c); | |
1564 | } | |
1565 | ||
43000118 JA |
1566 | c = strstr(p, "aio"); |
1567 | if (c) | |
1568 | td->use_aio = 1; | |
1569 | ||
02983297 JA |
1570 | c = strstr(p, "create"); |
1571 | if (c) | |
1572 | td->create_file = 1; | |
1573 | ||
1574 | c = strstr(p, "overwrite"); | |
1575 | if (c) | |
1576 | td->overwrite = 1; | |
1577 | ||
892199bd JA |
1578 | c = strstr(p, "random"); |
1579 | if (c) | |
f737299d | 1580 | td->sequential = 0; |
892199bd JA |
1581 | c = strstr(p, "sequential"); |
1582 | if (c) | |
f737299d | 1583 | td->sequential = 1; |
892199bd | 1584 | |
4240cfa1 JA |
1585 | if (add_job(td, filename, prioclass, prio)) |
1586 | put_job(td); | |
892199bd JA |
1587 | } |
1588 | ||
7dd1389e JA |
1589 | free(string); |
1590 | free(filename); | |
892199bd JA |
1591 | } |
1592 | ||
02983297 JA |
1593 | static int check_strcnv(char *p, char *name, unsigned long long *val) |
1594 | { | |
1595 | if (!strstr(p, name)) | |
1596 | return 1; | |
1597 | ||
1598 | return str_cnv(p, val); | |
1599 | } | |
1600 | ||
99c6704f JA |
1601 | static int check_str(char *p, char *name, char *option) |
1602 | { | |
1603 | char *s = strstr(p, name); | |
1604 | ||
1605 | if (!s) | |
1606 | return 1; | |
1607 | ||
1608 | s += strlen(name); | |
1609 | if (strstr(s, option)) | |
1610 | return 0; | |
1611 | ||
1612 | return 1; | |
1613 | } | |
1614 | ||
7889f07b JA |
1615 | static int check_range(char *p, char *name, unsigned long *s, unsigned long *e) |
1616 | { | |
1617 | char str[128]; | |
1618 | char s1, s2; | |
1619 | ||
1620 | sprintf(str, "%s=%%lu%%c-%%lu%%c", name); | |
1621 | if (sscanf(p, str, s, &s1, e, &s2) == 4) { | |
1622 | *s *= get_mult(s1); | |
1623 | *e *= get_mult(s2); | |
1624 | return 0; | |
1625 | } | |
1626 | ||
1627 | sprintf(str, "%s = %%lu%%c-%%lu%%c", name); | |
1628 | if (sscanf(p, str, s, &s1, e, &s2) == 4) { | |
1629 | *s *= get_mult(s1); | |
1630 | *e *= get_mult(s2); | |
1631 | return 0; | |
1632 | } | |
1633 | ||
1634 | sprintf(str, "%s=%%lu-%%lu", name); | |
1635 | if (sscanf(p, str, s, e) == 2) | |
1636 | return 0; | |
1637 | ||
1638 | sprintf(str, "%s = %%lu-%%lu", name); | |
1639 | if (sscanf(p, str, s, e) == 2) | |
1640 | return 0; | |
1641 | ||
1642 | return 1; | |
1643 | ||
1644 | } | |
1645 | ||
5c24b2c4 | 1646 | static int check_int(char *p, char *name, unsigned int *val) |
7dd1389e JA |
1647 | { |
1648 | char str[128]; | |
1649 | ||
1650 | sprintf(str, "%s=%%d", name); | |
1651 | if (sscanf(p, str, val) == 1) | |
1652 | return 0; | |
1653 | ||
1654 | sprintf(str, "%s = %%d", name); | |
1655 | if (sscanf(p, str, val) == 1) | |
1656 | return 0; | |
1657 | ||
1658 | return 1; | |
1659 | } | |
1660 | ||
7292613b | 1661 | static int is_empty_or_comment(char *line) |
7dd1389e JA |
1662 | { |
1663 | unsigned int i; | |
1664 | ||
7292613b | 1665 | for (i = 0; i < strlen(line); i++) { |
7292613b | 1666 | if (line[i] == ';') |
47d45203 JA |
1667 | return 1; |
1668 | if (!isspace(line[i]) && !iscntrl(line[i])) | |
7292613b JA |
1669 | return 0; |
1670 | } | |
7dd1389e JA |
1671 | |
1672 | return 1; | |
1673 | } | |
1674 | ||
5c24b2c4 | 1675 | static int parse_jobs_ini(char *file) |
7dd1389e | 1676 | { |
47d45203 | 1677 | unsigned int prioclass, prio, cpu, global; |
8c033f93 | 1678 | unsigned long long ull; |
7889f07b | 1679 | unsigned long ul1, ul2; |
f737299d | 1680 | struct thread_data *td; |
7dd1389e JA |
1681 | char *string, *name; |
1682 | fpos_t off; | |
1683 | FILE *f; | |
1684 | char *p; | |
1685 | ||
1686 | f = fopen(file, "r"); | |
1687 | if (!f) { | |
1688 | perror("fopen"); | |
4240cfa1 | 1689 | return 1; |
7dd1389e JA |
1690 | } |
1691 | ||
1692 | string = malloc(4096); | |
1693 | name = malloc(256); | |
1694 | ||
7dd1389e | 1695 | while ((p = fgets(string, 4096, f)) != NULL) { |
7292613b JA |
1696 | if (is_empty_or_comment(p)) |
1697 | continue; | |
7dd1389e JA |
1698 | if (sscanf(p, "[%s]", name) != 1) |
1699 | continue; | |
1700 | ||
47d45203 JA |
1701 | global = !strncmp(name, "global", 6); |
1702 | ||
7dd1389e JA |
1703 | name[strlen(name) - 1] = '\0'; |
1704 | ||
47d45203 | 1705 | td = get_new_job(global); |
4240cfa1 JA |
1706 | if (!td) |
1707 | break; | |
f737299d | 1708 | |
7dd1389e | 1709 | prioclass = 2; |
f737299d | 1710 | prio = 4; |
7dd1389e JA |
1711 | |
1712 | fgetpos(f, &off); | |
1713 | while ((p = fgets(string, 4096, f)) != NULL) { | |
7292613b | 1714 | if (is_empty_or_comment(p)) |
e6402082 JA |
1715 | continue; |
1716 | if (strstr(p, "[")) | |
7dd1389e | 1717 | break; |
f737299d | 1718 | if (!check_int(p, "rw", &td->ddir)) { |
7dd1389e JA |
1719 | fgetpos(f, &off); |
1720 | continue; | |
1721 | } | |
1722 | if (!check_int(p, "prio", &prio)) { | |
1723 | fgetpos(f, &off); | |
1724 | continue; | |
1725 | } | |
1726 | if (!check_int(p, "prioclass", &prioclass)) { | |
1727 | fgetpos(f, &off); | |
1728 | continue; | |
1729 | } | |
f737299d | 1730 | if (!check_int(p, "direct", &td->odirect)) { |
7dd1389e JA |
1731 | fgetpos(f, &off); |
1732 | continue; | |
1733 | } | |
f737299d | 1734 | if (!check_int(p, "rate", &td->rate)) { |
7dd1389e JA |
1735 | fgetpos(f, &off); |
1736 | continue; | |
1737 | } | |
4240cfa1 JA |
1738 | if (!check_int(p, "ratemin", &td->ratemin)) { |
1739 | fgetpos(f, &off); | |
1740 | continue; | |
1741 | } | |
1742 | if (!check_int(p, "ratecycle", &td->ratecycle)) { | |
1743 | fgetpos(f, &off); | |
1744 | continue; | |
1745 | } | |
e97712ed | 1746 | if (!check_int(p, "thinktime", &td->thinktime)) { |
7dd1389e JA |
1747 | fgetpos(f, &off); |
1748 | continue; | |
1749 | } | |
18e0b78c | 1750 | if (!check_int(p, "cpumask", &cpu)) { |
f737299d | 1751 | fill_cpu_mask(td->cpumask, cpu); |
18e0b78c JA |
1752 | fgetpos(f, &off); |
1753 | continue; | |
1754 | } | |
4240cfa1 JA |
1755 | if (!check_int(p, "fsync", &td->fsync_blocks)) { |
1756 | fgetpos(f, &off); | |
1757 | continue; | |
1758 | } | |
fc24389f JA |
1759 | if (!check_int(p, "startdelay", &td->start_delay)) { |
1760 | fgetpos(f, &off); | |
1761 | continue; | |
1762 | } | |
67903a2e JA |
1763 | if (!check_int(p, "timeout", &td->timeout)) { |
1764 | fgetpos(f, &off); | |
1765 | continue; | |
1766 | } | |
b95799ca JA |
1767 | if (!check_int(p, "invalidate",&td->invalidate_cache)) { |
1768 | fgetpos(f, &off); | |
1769 | continue; | |
1770 | } | |
43000118 JA |
1771 | if (!check_int(p, "aio_depth", &td->aio_depth)) { |
1772 | fgetpos(f, &off); | |
1773 | continue; | |
1774 | } | |
74b4b5fb JA |
1775 | if (!check_int(p, "sync", &td->sync_io)) { |
1776 | fgetpos(f, &off); | |
1777 | continue; | |
1778 | } | |
1d035750 JA |
1779 | if (!check_int(p, "bwavgtime", &td->bw_avg_time)) { |
1780 | fgetpos(f, &off); | |
1781 | continue; | |
1782 | } | |
7889f07b JA |
1783 | if (!check_range(p, "bsrange", &ul1, &ul2)) { |
1784 | td->min_bs = ul1; | |
1785 | td->max_bs = ul2; | |
1786 | fgetpos(f, &off); | |
1787 | continue; | |
1788 | } | |
8c033f93 JA |
1789 | if (!check_strcnv(p, "bs", &ull)) { |
1790 | td->bs = ull; | |
1791 | fgetpos(f, &off); | |
1792 | continue; | |
1793 | } | |
02983297 JA |
1794 | if (!check_strcnv(p, "size", &td->file_size)) { |
1795 | fgetpos(f, &off); | |
1796 | continue; | |
1797 | } | |
1798 | if (!check_strcnv(p, "offset", &td->file_offset)) { | |
1799 | fgetpos(f, &off); | |
1800 | continue; | |
1801 | } | |
99c6704f | 1802 | if (!check_str(p, "mem", "malloc")) { |
99c6704f JA |
1803 | td->mem_type = MEM_MALLOC; |
1804 | fgetpos(f, &off); | |
1805 | continue; | |
1806 | } | |
1807 | if (!check_str(p, "mem", "shm")) { | |
99c6704f JA |
1808 | td->mem_type = MEM_SHM; |
1809 | fgetpos(f, &off); | |
1810 | continue; | |
1811 | } | |
43000118 | 1812 | if (!strncmp(p, "sequential", 10)) { |
f737299d | 1813 | td->sequential = 1; |
7dd1389e JA |
1814 | fgetpos(f, &off); |
1815 | continue; | |
1816 | } | |
43000118 | 1817 | if (!strncmp(p, "random", 6)) { |
f737299d | 1818 | td->sequential = 0; |
7dd1389e JA |
1819 | fgetpos(f, &off); |
1820 | continue; | |
1821 | } | |
43000118 JA |
1822 | if (!strncmp(p, "aio", 3)) { |
1823 | td->use_aio = 1; | |
1824 | fgetpos(f, &off); | |
1825 | continue; | |
1826 | } | |
02983297 JA |
1827 | if (!strncmp(p, "create", 6)) { |
1828 | td->create_file = 1; | |
1829 | fgetpos(f, &off); | |
1830 | continue; | |
1831 | } | |
1832 | if (!strncmp(p, "overwrite", 9)) { | |
1833 | td->overwrite = 1; | |
1834 | fgetpos(f, &off); | |
1835 | continue; | |
1836 | } | |
98dd52d6 JA |
1837 | if (!strncmp(p, "exitall", 7)) { |
1838 | exitall_on_terminate = 1; | |
1839 | fgetpos(f, &off); | |
1840 | continue; | |
1841 | } | |
e6402082 | 1842 | printf("Client%d: bad option %s\n",td->thread_number,p); |
7dd1389e JA |
1843 | } |
1844 | fsetpos(f, &off); | |
1845 | ||
4240cfa1 JA |
1846 | if (add_job(td, name, prioclass, prio)) |
1847 | put_job(td); | |
7dd1389e JA |
1848 | } |
1849 | ||
1850 | free(string); | |
1851 | free(name); | |
fc7d63df | 1852 | fclose(f); |
4240cfa1 | 1853 | return 0; |
7dd1389e JA |
1854 | } |
1855 | ||
5c24b2c4 | 1856 | static int parse_options(int argc, char *argv[]) |
892199bd | 1857 | { |
01c4d8de | 1858 | int i; |
892199bd JA |
1859 | |
1860 | for (i = 1; i < argc; i++) { | |
1861 | char *parm = argv[i]; | |
1862 | ||
1863 | if (parm[0] != '-') | |
1864 | break; | |
1865 | ||
1866 | parm++; | |
1867 | switch (*parm) { | |
1868 | case 's': | |
1869 | parm++; | |
47d45203 | 1870 | def_thread.sequential = !!atoi(parm); |
892199bd JA |
1871 | break; |
1872 | case 'b': | |
1873 | parm++; | |
47d45203 JA |
1874 | def_thread.bs = atoi(parm); |
1875 | def_thread.bs <<= 10; | |
1876 | if (!def_thread.bs) { | |
4240cfa1 | 1877 | printf("bad block size\n"); |
47d45203 | 1878 | def_thread.bs = DEF_BS; |
4240cfa1 | 1879 | } |
892199bd JA |
1880 | break; |
1881 | case 't': | |
1882 | parm++; | |
47d45203 | 1883 | def_thread.timeout = atoi(parm); |
892199bd | 1884 | break; |
892199bd JA |
1885 | case 'r': |
1886 | parm++; | |
1887 | repeatable = !!atoi(parm); | |
1888 | break; | |
02bdd9ba JA |
1889 | case 'R': |
1890 | parm++; | |
1891 | rate_quit = !!atoi(parm); | |
1892 | break; | |
892199bd JA |
1893 | case 'o': |
1894 | parm++; | |
47d45203 | 1895 | def_thread.odirect = !!atoi(parm); |
892199bd | 1896 | break; |
7dd1389e JA |
1897 | case 'f': |
1898 | if (i + 1 >= argc) { | |
1899 | printf("-f needs file as arg\n"); | |
1900 | break; | |
1901 | } | |
1902 | ini_file = strdup(argv[i+1]); | |
a642279f | 1903 | i++; |
7dd1389e | 1904 | break; |
a0a9b35b JA |
1905 | case 'l': |
1906 | write_lat_log = 1; | |
1907 | break; | |
1908 | case 'w': | |
1909 | write_bw_log = 1; | |
1910 | break; | |
892199bd | 1911 | default: |
7dd1389e | 1912 | printf("bad option %s\n", argv[i]); |
892199bd JA |
1913 | break; |
1914 | } | |
1915 | } | |
1916 | ||
892199bd JA |
1917 | return i; |
1918 | } | |
1919 | ||
3f39453a | 1920 | static void print_thread_status(struct thread_data *td, int nr_running, |
8dbff0b1 | 1921 | int t_rate, int m_rate) |
3f39453a | 1922 | { |
3f39453a JA |
1923 | printf("Threads now running: %d", nr_running); |
1924 | if (m_rate || t_rate) | |
1925 | printf(", commitrate %d/%dKiB/sec", t_rate, m_rate); | |
8dbff0b1 JA |
1926 | printf(" : [%s]\r", run_str); |
1927 | fflush(stdout); | |
3f39453a JA |
1928 | } |
1929 | ||
213b446c | 1930 | static void reap_threads(int *nr_running, int *t_rate, int *m_rate) |
02bdd9ba | 1931 | { |
213b446c | 1932 | int i; |
02bdd9ba | 1933 | |
3f39453a JA |
1934 | /* |
1935 | * reap exited threads (TD_EXITED -> TD_REAPED) | |
1936 | */ | |
02bdd9ba JA |
1937 | for (i = 0; i < thread_number; i++) { |
1938 | struct thread_data *td = &threads[i]; | |
1939 | ||
213b446c JA |
1940 | if (td->runstate != TD_EXITED) |
1941 | continue; | |
02bdd9ba | 1942 | |
213b446c | 1943 | td->runstate = TD_REAPED; |
8dbff0b1 | 1944 | run_str[td->thread_number - 1] = '_'; |
213b446c JA |
1945 | waitpid(td->pid, NULL, 0); |
1946 | (*nr_running)--; | |
1947 | (*m_rate) -= td->ratemin; | |
1948 | (*t_rate) -= td->rate; | |
e6402082 JA |
1949 | |
1950 | if (td->terminate) | |
1951 | continue; | |
1952 | ||
8dbff0b1 | 1953 | print_thread_status(td, *nr_running, *t_rate, *m_rate); |
213b446c | 1954 | } |
02bdd9ba JA |
1955 | } |
1956 | ||
fc24389f JA |
1957 | static void run_threads(char *argv[]) |
1958 | { | |
be33abe4 | 1959 | struct timeval genesis; |
fc24389f JA |
1960 | struct thread_data *td; |
1961 | unsigned long spent; | |
213b446c | 1962 | int i, todo, nr_running, m_rate, t_rate; |
fc24389f | 1963 | |
fc24389f JA |
1964 | printf("Starting %d threads\n", thread_number); |
1965 | fflush(stdout); | |
1966 | ||
7292613b JA |
1967 | signal(SIGINT, sig_handler); |
1968 | ||
fc24389f | 1969 | todo = thread_number; |
02bdd9ba | 1970 | nr_running = 0; |
213b446c | 1971 | m_rate = t_rate = 0; |
fc24389f | 1972 | |
8bdcfab5 JA |
1973 | for (i = 0; i < thread_number; i++) { |
1974 | td = &threads[i]; | |
1975 | ||
1976 | /* | |
1977 | * do file setup here so it happens sequentially, | |
1978 | * we don't want X number of threads getting their | |
1979 | * client data interspersed on disk | |
1980 | */ | |
1981 | if (setup_file(td)) { | |
1982 | td->runstate = TD_REAPED; | |
1983 | todo--; | |
1984 | } | |
1985 | } | |
1986 | ||
1987 | gettimeofday(&genesis, NULL); | |
1988 | ||
213b446c | 1989 | while (todo) { |
3f39453a JA |
1990 | /* |
1991 | * create threads (TD_NOT_CREATED -> TD_CREATED) | |
1992 | */ | |
fc24389f JA |
1993 | for (i = 0; i < thread_number; i++) { |
1994 | td = &threads[i]; | |
1995 | ||
02bdd9ba | 1996 | if (td->runstate != TD_NOT_CREATED) |
fc24389f JA |
1997 | continue; |
1998 | ||
213b446c JA |
1999 | /* |
2000 | * never got a chance to start, killed by other | |
2001 | * thread for some reason | |
2002 | */ | |
2003 | if (td->terminate) { | |
2004 | todo--; | |
2005 | continue; | |
2006 | } | |
2007 | ||
fc24389f | 2008 | if (td->start_delay) { |
be33abe4 | 2009 | spent = mtime_since_now(&genesis); |
fc24389f JA |
2010 | |
2011 | if (td->start_delay * 1000 > spent) | |
2012 | continue; | |
2013 | } | |
2014 | ||
02bdd9ba | 2015 | td->runstate = TD_CREATED; |
8dbff0b1 | 2016 | run_str[td->thread_number - 1] = 'C'; |
fc24389f JA |
2017 | sem_init(&startup_sem, 1, 1); |
2018 | todo--; | |
2019 | ||
2020 | if (fork()) | |
2021 | sem_wait(&startup_sem); | |
2022 | else { | |
2023 | thread_main(shm_id, i, argv); | |
2024 | exit(0); | |
2025 | } | |
2026 | } | |
2027 | ||
3f39453a JA |
2028 | /* |
2029 | * start created threads (TD_CREATED -> TD_STARTED) | |
2030 | */ | |
fc24389f JA |
2031 | for (i = 0; i < thread_number; i++) { |
2032 | struct thread_data *td = &threads[i]; | |
2033 | ||
3f39453a JA |
2034 | if (td->runstate != TD_CREATED) |
2035 | continue; | |
2036 | ||
2037 | td->runstate = TD_STARTED; | |
8dbff0b1 | 2038 | run_str[td->thread_number - 1] = '+'; |
3f39453a JA |
2039 | nr_running++; |
2040 | m_rate += td->ratemin; | |
2041 | t_rate += td->rate; | |
2042 | sem_post(&td->mutex); | |
2043 | ||
8dbff0b1 | 2044 | print_thread_status(td, nr_running, t_rate, m_rate); |
fc24389f JA |
2045 | } |
2046 | ||
213b446c | 2047 | reap_threads(&nr_running, &t_rate, &m_rate); |
02bdd9ba | 2048 | |
fc24389f JA |
2049 | if (todo) |
2050 | usleep(100000); | |
2051 | } | |
02bdd9ba JA |
2052 | |
2053 | while (nr_running) { | |
213b446c | 2054 | reap_threads(&nr_running, &t_rate, &m_rate); |
02bdd9ba JA |
2055 | usleep(10000); |
2056 | } | |
fc24389f JA |
2057 | } |
2058 | ||
8867c0a8 | 2059 | int setup_thread_area(void) |
892199bd | 2060 | { |
8867c0a8 JA |
2061 | /* |
2062 | * 1024 is too much on some machines, scale max_jobs if | |
2063 | * we get a failure that looks like too large a shm segment | |
2064 | */ | |
2065 | do { | |
2066 | int s = max_jobs * sizeof(struct thread_data); | |
18e0b78c | 2067 | |
8867c0a8 JA |
2068 | shm_id = shmget(0, s, IPC_CREAT | 0600); |
2069 | if (shm_id != -1) | |
2070 | break; | |
2071 | if (errno != EINVAL) { | |
2072 | perror("shmget"); | |
2073 | break; | |
2074 | } | |
2075 | ||
2076 | max_jobs >>= 1; | |
d4fac444 | 2077 | } while (max_jobs); |
8867c0a8 JA |
2078 | |
2079 | if (shm_id == -1) | |
892199bd | 2080 | return 1; |
892199bd JA |
2081 | |
2082 | threads = shmat(shm_id, NULL, 0); | |
8867c0a8 | 2083 | if (threads == (void *) -1) { |
86184d14 JA |
2084 | perror("shmat"); |
2085 | return 1; | |
2086 | } | |
892199bd JA |
2087 | |
2088 | atexit(free_shm); | |
8867c0a8 JA |
2089 | return 0; |
2090 | } | |
2091 | ||
2092 | int main(int argc, char *argv[]) | |
2093 | { | |
8c033f93 | 2094 | static unsigned long max_run[2], min_run[2]; |
57d753e3 | 2095 | static unsigned long max_bw[2], min_bw[2]; |
22334044 | 2096 | static unsigned long io_mb[2], agg[2]; |
8867c0a8 JA |
2097 | int i; |
2098 | ||
2099 | if (setup_thread_area()) | |
2100 | return 1; | |
892199bd | 2101 | |
47d45203 | 2102 | if (sched_getaffinity(getpid(), sizeof(cpu_set_t), &def_thread.cpumask) == -1) { |
4240cfa1 JA |
2103 | perror("sched_getaffinity"); |
2104 | return 1; | |
2105 | } | |
2106 | ||
47d45203 JA |
2107 | /* |
2108 | * fill globals | |
2109 | */ | |
2110 | def_thread.ddir = DDIR_READ; | |
2111 | def_thread.bs = DEF_BS; | |
7889f07b JA |
2112 | def_thread.min_bs = -1; |
2113 | def_thread.max_bs = -1; | |
02983297 | 2114 | def_thread.odirect = DEF_ODIRECT; |
47d45203 | 2115 | def_thread.ratecycle = DEF_RATE_CYCLE; |
02983297 | 2116 | def_thread.sequential = DEF_SEQUENTIAL; |
47d45203 | 2117 | def_thread.timeout = DEF_TIMEOUT; |
02983297 JA |
2118 | def_thread.create_file = DEF_CREATE; |
2119 | def_thread.overwrite = DEF_OVERWRITE; | |
b95799ca | 2120 | def_thread.invalidate_cache = DEF_INVALIDATE; |
99c6704f JA |
2121 | def_thread.sync_io = DEF_SYNCIO; |
2122 | def_thread.mem_type = MEM_MALLOC; | |
1d035750 | 2123 | def_thread.bw_avg_time = DEF_BWAVGTIME; |
47d45203 | 2124 | |
892199bd | 2125 | i = parse_options(argc, argv); |
7dd1389e | 2126 | |
4240cfa1 JA |
2127 | if (ini_file) { |
2128 | if (parse_jobs_ini(ini_file)) | |
2129 | return 1; | |
2130 | } else | |
2131 | parse_jobs_cmd(argc, argv, i); | |
7dd1389e | 2132 | |
4240cfa1 JA |
2133 | if (!thread_number) { |
2134 | printf("Nothing to do\n"); | |
2135 | return 1; | |
2136 | } | |
7dd1389e | 2137 | |
fc24389f | 2138 | run_threads(argv); |
892199bd | 2139 | |
892199bd JA |
2140 | min_bw[0] = min_run[0] = ~0UL; |
2141 | min_bw[1] = min_run[1] = ~0UL; | |
22334044 JA |
2142 | io_mb[0] = io_mb[1] = 0; |
2143 | agg[0] = agg[1] = 0; | |
892199bd JA |
2144 | for (i = 0; i < thread_number; i++) { |
2145 | struct thread_data *td = &threads[i]; | |
2146 | unsigned long bw = 0; | |
2147 | ||
22334044 JA |
2148 | if (!td->error) { |
2149 | if (td->runtime < min_run[td->ddir]) | |
2150 | min_run[td->ddir] = td->runtime; | |
2151 | if (td->runtime > max_run[td->ddir]) | |
2152 | max_run[td->ddir] = td->runtime; | |
892199bd | 2153 | |
892199bd | 2154 | if (td->runtime) |
22334044 JA |
2155 | bw = td->io_kb * 1024 / td->runtime; |
2156 | if (bw < min_bw[td->ddir]) | |
2157 | min_bw[td->ddir] = bw; | |
2158 | if (bw > max_bw[td->ddir]) | |
2159 | max_bw[td->ddir] = bw; | |
2160 | ||
2161 | io_mb[td->ddir] += td->io_kb >> 10; | |
892199bd JA |
2162 | } |
2163 | ||
2164 | show_thread_status(td); | |
2165 | } | |
22334044 JA |
2166 | |
2167 | if (max_run[0]) | |
2168 | agg[0] = io_mb[0] * 1024 * 1000 / max_run[0]; | |
2169 | if (max_run[1]) | |
2170 | agg[1] = io_mb[1] * 1024 * 1000 / max_run[1]; | |
2171 | ||
57d753e3 | 2172 | printf("\nRun status:\n"); |
892199bd | 2173 | if (max_run[DDIR_READ]) |
22334044 | 2174 | printf(" READ: io=%luMiB, aggrb=%lu, minb=%lu, maxb=%lu, mint=%lumsec, maxt=%lumsec\n", io_mb[0], agg[0], min_bw[0], max_bw[0], min_run[0], max_run[0]); |
892199bd | 2175 | if (max_run[DDIR_WRITE]) |
22334044 | 2176 | printf(" WRITE: io=%luMiB, aggrb=%lu, minb=%lu, maxb=%lu, mint=%lumsec, maxt=%lumsec\n", io_mb[1], agg[1], min_bw[1], max_bw[1], min_run[1], max_run[1]); |
fc24389f | 2177 | |
892199bd JA |
2178 | return 0; |
2179 | } |