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