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