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> |
49d2caab | 34 | #include <assert.h> |
892199bd JA |
35 | #include <sys/time.h> |
36 | #include <sys/types.h> | |
37 | #include <sys/stat.h> | |
38 | #include <sys/wait.h> | |
39 | #include <semaphore.h> | |
40 | #include <sys/ipc.h> | |
41 | #include <sys/shm.h> | |
c94deb1c | 42 | #include <sys/ioctl.h> |
892199bd | 43 | #include <asm/unistd.h> |
946d8870 | 44 | #include <asm/types.h> |
49d2caab | 45 | #include <asm/bitops.h> |
892199bd | 46 | |
2c83567e | 47 | #include "list.h" |
e8457004 | 48 | #include "md5.h" |
2c83567e | 49 | |
c94deb1c JA |
50 | #ifndef BLKGETSIZE64 |
51 | #define BLKGETSIZE64 _IOR(0x12,114,size_t) | |
52 | #endif | |
53 | ||
4240cfa1 JA |
54 | #define MAX_JOBS (1024) |
55 | ||
892199bd JA |
56 | /* |
57 | * assume we don't have _get either, if _set isn't defined | |
58 | */ | |
59 | #ifndef __NR_ioprio_set | |
892199bd JA |
60 | #if defined(__i386__) |
61 | #define __NR_ioprio_set 289 | |
62 | #define __NR_ioprio_get 290 | |
63 | #elif defined(__powerpc__) || defined(__powerpc64__) | |
64 | #define __NR_ioprio_set 273 | |
65 | #define __NR_ioprio_get 274 | |
66 | #elif defined(__x86_64__) | |
67 | #define __NR_ioprio_set 251 | |
68 | #define __NR_ioprio_get 252 | |
69 | #elif defined(__ia64__) | |
70 | #define __NR_ioprio_set 1274 | |
71 | #define __NR_ioprio_get 1275 | |
72 | #elif defined(__alpha__) | |
73 | #define __NR_ioprio_set 442 | |
74 | #define __NR_ioprio_get 443 | |
75 | #elif defined(__s390x__) || defined(__s390__) | |
76 | #define __NR_ioprio_set 282 | |
77 | #define __NR_ioprio_get 283 | |
78 | #else | |
79 | #error "Unsupported arch" | |
80 | #endif | |
b95799ca | 81 | #endif |
892199bd | 82 | |
b95799ca JA |
83 | #ifndef __NR_fadvise64 |
84 | #if defined(__i386__) | |
85 | #define __NR_fadvise64 250 | |
86 | #elif defined(__powerpc__) || defined(__powerpc64__) | |
87 | #define __NR_fadvise64 233 | |
88 | #elif defined(__x86_64__) | |
89 | #define __NR_fadvise64 221 | |
90 | #elif defined(__ia64__) | |
91 | #define __NR_fadvise64 1234 | |
92 | #elif defined(__alpha__) | |
93 | #define __NR_fadvise64 413 | |
94 | #elif defined(__s390x__) || defined(__s390__) | |
95 | #define __NR_fadvise64 253 | |
96 | #else | |
97 | #error "Unsupported arch" | |
98 | #endif | |
892199bd JA |
99 | #endif |
100 | ||
101 | static int ioprio_set(int which, int who, int ioprio) | |
102 | { | |
103 | return syscall(__NR_ioprio_set, which, who, ioprio); | |
104 | } | |
105 | ||
b95799ca JA |
106 | /* |
107 | * we want fadvise64 really, but it's so tangled... later | |
108 | */ | |
109 | static int fadvise(int fd, loff_t offset, size_t len, int advice) | |
110 | { | |
111 | #if 0 | |
112 | return syscall(__NR_fadvise64, fd, offset, offset >> 32, len, advice); | |
113 | #else | |
114 | return posix_fadvise(fd, (off_t) offset, len, advice); | |
115 | #endif | |
116 | } | |
117 | ||
892199bd JA |
118 | enum { |
119 | IOPRIO_WHO_PROCESS = 1, | |
120 | IOPRIO_WHO_PGRP, | |
121 | IOPRIO_WHO_USER, | |
122 | }; | |
123 | ||
124 | #define IOPRIO_CLASS_SHIFT 13 | |
125 | ||
892199bd JA |
126 | #define MASK (4095) |
127 | ||
4240cfa1 | 128 | #define DEF_BS (4096) |
01f79976 | 129 | #define DEF_TIMEOUT (0) |
4240cfa1 JA |
130 | #define DEF_RATE_CYCLE (1000) |
131 | #define DEF_ODIRECT (1) | |
132 | #define DEF_SEQUENTIAL (1) | |
4240cfa1 | 133 | #define DEF_RAND_REPEAT (1) |
02983297 JA |
134 | #define DEF_OVERWRITE (0) |
135 | #define DEF_CREATE (1) | |
b95799ca | 136 | #define DEF_INVALIDATE (1) |
99c6704f | 137 | #define DEF_SYNCIO (0) |
eb39963f | 138 | #define DEF_RANDSEED (0xb1899bedUL) |
1d035750 | 139 | #define DEF_BWAVGTIME (500) |
fc097bfe JA |
140 | #define DEF_CREATE_SER (1) |
141 | #define DEF_CREATE_FSYNC (1) | |
b6794fbf | 142 | #define DEF_LOOPS (1) |
cfc702bd | 143 | #define DEF_VERIFY (0) |
4240cfa1 JA |
144 | |
145 | #define ALIGN(buf) (char *) (((unsigned long) (buf) + MASK) & ~(MASK)) | |
892199bd | 146 | |
4240cfa1 | 147 | static int repeatable = DEF_RAND_REPEAT; |
02bdd9ba | 148 | static int rate_quit = 1; |
a0a9b35b JA |
149 | static int write_lat_log; |
150 | static int write_bw_log; | |
98dd52d6 | 151 | static int exitall_on_terminate; |
892199bd | 152 | |
892199bd | 153 | static int thread_number; |
7dd1389e | 154 | static char *ini_file; |
892199bd | 155 | |
8867c0a8 JA |
156 | static int max_jobs = MAX_JOBS; |
157 | ||
8dbff0b1 JA |
158 | static char run_str[MAX_JOBS + 1]; |
159 | ||
892199bd JA |
160 | static int shm_id; |
161 | ||
4240cfa1 JA |
162 | enum { |
163 | DDIR_READ = 0, | |
164 | DDIR_WRITE, | |
165 | }; | |
892199bd | 166 | |
02bdd9ba JA |
167 | /* |
168 | * thread life cycle | |
169 | */ | |
170 | enum { | |
171 | TD_NOT_CREATED = 0, | |
172 | TD_CREATED, | |
e8457004 JA |
173 | TD_RUNNING, |
174 | TD_VERIFYING, | |
02bdd9ba JA |
175 | TD_EXITED, |
176 | TD_REAPED, | |
177 | }; | |
178 | ||
99c6704f JA |
179 | enum { |
180 | MEM_MALLOC, | |
181 | MEM_SHM, | |
182 | }; | |
183 | ||
2c83567e JA |
184 | /* |
185 | * The io unit | |
186 | */ | |
187 | struct io_u { | |
188 | struct iocb iocb; | |
57d753e3 | 189 | struct timeval start_time; |
2c83567e JA |
190 | struct timeval issue_time; |
191 | ||
2c83567e JA |
192 | char *buf; |
193 | unsigned int buflen; | |
4ac89145 | 194 | unsigned long long offset; |
2c83567e JA |
195 | |
196 | struct list_head list; | |
197 | }; | |
198 | ||
57d753e3 JA |
199 | struct io_stat { |
200 | unsigned long val; | |
201 | unsigned long val_sq; | |
202 | unsigned long max_val; | |
203 | unsigned long min_val; | |
204 | unsigned long samples; | |
205 | }; | |
206 | ||
a0a9b35b JA |
207 | struct io_sample { |
208 | unsigned long time; | |
209 | unsigned long val; | |
210 | }; | |
211 | ||
212 | struct io_log { | |
213 | unsigned long nr_samples; | |
214 | unsigned long max_samples; | |
215 | struct io_sample *log; | |
216 | }; | |
217 | ||
645785e5 JA |
218 | struct io_piece { |
219 | struct list_head list; | |
220 | unsigned long long offset; | |
221 | unsigned int len; | |
222 | }; | |
223 | ||
e8457004 JA |
224 | #define FIO_HDR_MAGIC 0xf00baaef |
225 | ||
226 | struct verify_header { | |
227 | unsigned int fio_magic; | |
228 | unsigned int len; | |
229 | char md5_digest[MD5_HASH_WORDS * 4]; | |
230 | }; | |
231 | ||
02983297 | 232 | #define td_read(td) ((td)->ddir == DDIR_READ) |
62bb4285 JA |
233 | #define td_write(td) ((td)->ddir == DDIR_WRITE) |
234 | #define should_fsync(td) (td_write(td) && !(td)->odirect) | |
02983297 | 235 | |
49d2caab JA |
236 | #define BLOCKS_PER_MAP (8 * sizeof(long)) |
237 | #define RAND_MAP_IDX(sector) ((sector) / BLOCKS_PER_MAP) | |
238 | #define RAND_MAP_BIT(sector) ((sector) & (BLOCKS_PER_MAP - 1)) | |
239 | ||
892199bd JA |
240 | struct thread_data { |
241 | char file_name[256]; | |
242 | int thread_number; | |
243 | int error; | |
244 | int fd; | |
892199bd | 245 | pid_t pid; |
6b71c826 | 246 | char *orig_buffer; |
4240cfa1 | 247 | volatile int terminate; |
02bdd9ba | 248 | volatile int runstate; |
40ef7f64 | 249 | volatile int old_runstate; |
f737299d JA |
250 | unsigned int ddir; |
251 | unsigned int ioprio; | |
252 | unsigned int sequential; | |
253 | unsigned int bs; | |
8c033f93 JA |
254 | unsigned int min_bs; |
255 | unsigned int max_bs; | |
f737299d | 256 | unsigned int odirect; |
e97712ed | 257 | unsigned int thinktime; |
4240cfa1 | 258 | unsigned int fsync_blocks; |
fc24389f | 259 | unsigned int start_delay; |
47d45203 | 260 | unsigned int timeout; |
43000118 | 261 | unsigned int use_aio; |
02983297 JA |
262 | unsigned int create_file; |
263 | unsigned int overwrite; | |
b95799ca | 264 | unsigned int invalidate_cache; |
1d035750 | 265 | unsigned int bw_avg_time; |
fc097bfe JA |
266 | unsigned int create_serialize; |
267 | unsigned int create_fsync; | |
b6794fbf | 268 | unsigned int loops; |
02983297 JA |
269 | unsigned long long file_size; |
270 | unsigned long long file_offset; | |
74b4b5fb | 271 | unsigned int sync_io; |
99c6704f | 272 | unsigned int mem_type; |
cfc702bd | 273 | unsigned int verify; |
18e0b78c | 274 | cpu_set_t cpumask; |
86184d14 | 275 | |
7889f07b | 276 | struct drand48_data bsrange_state; |
e8457004 | 277 | struct drand48_data verify_state; |
7889f07b | 278 | |
99c6704f JA |
279 | int shm_id; |
280 | ||
63a09e51 JA |
281 | off_t cur_off; |
282 | ||
254605cd | 283 | io_context_t aio_ctx; |
43000118 | 284 | unsigned int aio_depth; |
43000118 | 285 | struct io_event *aio_events; |
2c83567e JA |
286 | |
287 | unsigned int cur_depth; | |
288 | struct list_head io_u_freelist; | |
289 | struct list_head io_u_busylist; | |
43000118 | 290 | |
7dd1389e | 291 | unsigned int rate; |
4240cfa1 JA |
292 | unsigned int ratemin; |
293 | unsigned int ratecycle; | |
294 | unsigned long rate_usec_cycle; | |
295 | long rate_pending_usleep; | |
49d2caab | 296 | unsigned long rate_bytes; |
4240cfa1 | 297 | struct timeval lastrate; |
86184d14 | 298 | |
892199bd | 299 | unsigned long runtime; /* sec */ |
49d2caab | 300 | unsigned long long io_size; |
e2ba35d9 | 301 | |
4240cfa1 | 302 | unsigned long io_blocks; |
49d2caab JA |
303 | unsigned long io_bytes; |
304 | unsigned long this_io_bytes; | |
305 | unsigned long last_bytes; | |
892199bd | 306 | sem_t mutex; |
49d2caab | 307 | |
892199bd | 308 | struct drand48_data random_state; |
49d2caab JA |
309 | unsigned long *file_map; |
310 | unsigned int num_maps; | |
892199bd JA |
311 | |
312 | /* | |
e128065d | 313 | * bandwidth and latency stats |
892199bd | 314 | */ |
57d753e3 JA |
315 | struct io_stat clat_stat; /* completion latency */ |
316 | struct io_stat slat_stat; /* submission latency */ | |
317 | ||
318 | struct io_stat bw_stat; /* bandwidth stats */ | |
49d2caab | 319 | unsigned long stat_io_bytes; |
fd1ae4c9 | 320 | struct timeval stat_sample_time; |
4240cfa1 | 321 | |
a0a9b35b JA |
322 | struct io_log *lat_log; |
323 | struct io_log *bw_log; | |
324 | ||
4240cfa1 | 325 | struct timeval start; |
645785e5 JA |
326 | |
327 | struct list_head io_hist_list; | |
892199bd JA |
328 | }; |
329 | ||
330 | static struct thread_data *threads; | |
47d45203 | 331 | static struct thread_data def_thread; |
892199bd JA |
332 | |
333 | static sem_t startup_sem; | |
334 | ||
5c24b2c4 | 335 | static void sig_handler(int sig) |
892199bd JA |
336 | { |
337 | int i; | |
338 | ||
213b446c JA |
339 | for (i = 0; i < thread_number; i++) { |
340 | struct thread_data *td = &threads[i]; | |
341 | ||
342 | td->terminate = 1; | |
343 | td->start_delay = 0; | |
344 | } | |
02bdd9ba JA |
345 | } |
346 | ||
e8457004 | 347 | static int init_random_state(struct thread_data *td) |
946d8870 | 348 | { |
e8457004 | 349 | unsigned long seed; |
49d2caab | 350 | int fd, num_maps, blocks; |
946d8870 | 351 | |
e8457004 JA |
352 | fd = open("/dev/random", O_RDONLY); |
353 | if (fd == -1) { | |
354 | td->error = errno; | |
355 | return 1; | |
946d8870 JA |
356 | } |
357 | ||
e8457004 JA |
358 | if (read(fd, &seed, sizeof(seed)) < (int) sizeof(seed)) { |
359 | td->error = EIO; | |
360 | close(fd); | |
361 | return 1; | |
946d8870 JA |
362 | } |
363 | ||
e8457004 | 364 | close(fd); |
7889f07b JA |
365 | |
366 | srand48_r(seed, &td->bsrange_state); | |
e8457004 | 367 | srand48_r(seed, &td->verify_state); |
892199bd JA |
368 | |
369 | if (td->sequential) | |
370 | return 0; | |
371 | ||
e8457004 JA |
372 | if (repeatable) |
373 | seed = DEF_RANDSEED; | |
892199bd | 374 | |
49d2caab JA |
375 | blocks = (td->io_size + td->min_bs - 1) / td->min_bs; |
376 | num_maps = blocks / BLOCKS_PER_MAP; | |
377 | td->file_map = malloc(num_maps * sizeof(long)); | |
378 | td->num_maps = num_maps; | |
379 | memset(td->file_map, 0, num_maps * sizeof(long)); | |
380 | ||
892199bd JA |
381 | srand48_r(seed, &td->random_state); |
382 | return 0; | |
383 | } | |
384 | ||
5c24b2c4 | 385 | static unsigned long utime_since(struct timeval *s, struct timeval *e) |
892199bd JA |
386 | { |
387 | double sec, usec; | |
388 | ||
389 | sec = e->tv_sec - s->tv_sec; | |
390 | usec = e->tv_usec - s->tv_usec; | |
391 | if (sec > 0 && usec < 0) { | |
392 | sec--; | |
393 | usec += 1000000; | |
394 | } | |
395 | ||
396 | sec *= (double) 1000000; | |
397 | ||
398 | return sec + usec; | |
399 | } | |
400 | ||
5c24b2c4 | 401 | static unsigned long mtime_since(struct timeval *s, struct timeval *e) |
892199bd JA |
402 | { |
403 | double sec, usec; | |
404 | ||
405 | sec = e->tv_sec - s->tv_sec; | |
406 | usec = e->tv_usec - s->tv_usec; | |
407 | if (sec > 0 && usec < 0) { | |
408 | sec--; | |
409 | usec += 1000000; | |
410 | } | |
411 | ||
412 | sec *= (double) 1000; | |
413 | usec /= (double) 1000; | |
414 | ||
415 | return sec + usec; | |
416 | } | |
417 | ||
be33abe4 JA |
418 | static unsigned long mtime_since_now(struct timeval *s) |
419 | { | |
420 | struct timeval t; | |
421 | ||
422 | gettimeofday(&t, NULL); | |
423 | return mtime_since(s, &t); | |
424 | } | |
425 | ||
98168d55 JA |
426 | static inline unsigned long msec_now(struct timeval *s) |
427 | { | |
428 | return s->tv_sec * 1000 + s->tv_usec / 1000; | |
429 | } | |
430 | ||
49d2caab JA |
431 | static int random_map_free(struct thread_data *td, unsigned long long block) |
432 | { | |
433 | unsigned int idx = RAND_MAP_IDX(block); | |
434 | unsigned int bit = RAND_MAP_BIT(block); | |
435 | ||
436 | return (td->file_map[idx] & (1UL << bit)) == 0; | |
437 | } | |
438 | ||
439 | static int get_next_free_block(struct thread_data *td, unsigned long long *b) | |
892199bd | 440 | { |
49d2caab JA |
441 | int i; |
442 | ||
443 | *b = 0; | |
444 | i = 0; | |
445 | while ((*b) * td->min_bs < td->io_size) { | |
446 | if (td->file_map[i] != -1UL) { | |
447 | *b += ffz(td->file_map[i]); | |
448 | return 0; | |
449 | } | |
450 | ||
451 | *b += BLOCKS_PER_MAP; | |
452 | i++; | |
453 | } | |
454 | ||
455 | return 1; | |
456 | } | |
457 | ||
458 | static void mark_random_map(struct thread_data *td, struct io_u *io_u) | |
459 | { | |
460 | unsigned long block = io_u->offset / td->min_bs; | |
461 | unsigned int blocks = 0; | |
462 | ||
463 | while (blocks < (io_u->buflen / td->min_bs)) { | |
464 | int idx, bit; | |
465 | ||
466 | if (!random_map_free(td, block)) | |
467 | break; | |
468 | ||
469 | idx = RAND_MAP_IDX(block); | |
470 | bit = RAND_MAP_BIT(block); | |
471 | ||
472 | assert(idx < td->num_maps); | |
473 | ||
474 | td->file_map[idx] |= (1UL << bit); | |
475 | block++; | |
476 | blocks++; | |
477 | } | |
478 | ||
479 | if ((blocks * td->min_bs) < io_u->buflen) | |
480 | io_u->buflen = blocks * td->min_bs; | |
481 | } | |
482 | ||
483 | static int get_next_offset(struct thread_data *td, unsigned long long *offset) | |
484 | { | |
485 | unsigned long long b; | |
d32d9284 | 486 | long r; |
892199bd JA |
487 | |
488 | if (!td->sequential) { | |
49d2caab JA |
489 | unsigned long max_blocks = td->io_size / td->min_bs; |
490 | int loops = 50; | |
491 | ||
492 | do { | |
493 | lrand48_r(&td->random_state, &r); | |
494 | b = ((max_blocks - 1) * r / (RAND_MAX+1.0)); | |
495 | loops--; | |
496 | } while (!random_map_free(td, b) && loops); | |
497 | ||
498 | if (!loops) { | |
499 | if (get_next_free_block(td, &b)) | |
500 | return 1; | |
501 | } | |
7889f07b | 502 | } else |
49d2caab | 503 | b = td->last_bytes / td->min_bs; |
7889f07b | 504 | |
49d2caab JA |
505 | *offset = (b * td->min_bs) + td->file_offset; |
506 | return 0; | |
7889f07b JA |
507 | } |
508 | ||
509 | static unsigned int get_next_buflen(struct thread_data *td) | |
510 | { | |
511 | unsigned int buflen; | |
d32d9284 | 512 | long r; |
7889f07b JA |
513 | |
514 | if (td->min_bs == td->max_bs) | |
515 | buflen = td->min_bs; | |
516 | else { | |
d32d9284 | 517 | lrand48_r(&td->bsrange_state, &r); |
7889f07b JA |
518 | buflen = (1 + (double) (td->max_bs - 1) * r / (RAND_MAX + 1.0)); |
519 | buflen = (buflen + td->min_bs - 1) & ~(td->min_bs - 1); | |
892199bd JA |
520 | } |
521 | ||
49d2caab JA |
522 | if (buflen > td->io_size - td->this_io_bytes) |
523 | buflen = td->io_size - td->this_io_bytes; | |
7889f07b | 524 | |
7889f07b | 525 | return buflen; |
892199bd JA |
526 | } |
527 | ||
57d753e3 JA |
528 | static inline void add_stat_sample(struct thread_data *td, struct io_stat *is, |
529 | unsigned long val) | |
892199bd | 530 | { |
57d753e3 JA |
531 | if (val > is->max_val) |
532 | is->max_val = val; | |
533 | if (val < is->min_val) | |
534 | is->min_val = val; | |
535 | ||
536 | is->val += val; | |
537 | is->val_sq += val * val; | |
538 | is->samples++; | |
539 | } | |
fd1ae4c9 | 540 | |
a0a9b35b JA |
541 | static void add_log_sample(struct thread_data *td, struct io_log *log, |
542 | unsigned long val) | |
543 | { | |
544 | if (log->nr_samples == log->max_samples) { | |
545 | int new_size = sizeof(struct io_sample) * log->max_samples * 2; | |
546 | ||
547 | log->log = realloc(log->log, new_size); | |
548 | log->max_samples <<= 1; | |
549 | } | |
550 | ||
551 | log->log[log->nr_samples].val = val; | |
552 | log->log[log->nr_samples].time = mtime_since_now(&td->start); | |
553 | log->nr_samples++; | |
554 | } | |
555 | ||
57d753e3 JA |
556 | static void add_clat_sample(struct thread_data *td, unsigned long msec) |
557 | { | |
558 | add_stat_sample(td, &td->clat_stat, msec); | |
a0a9b35b JA |
559 | |
560 | if (td->lat_log) | |
561 | add_log_sample(td, td->lat_log, msec); | |
57d753e3 | 562 | } |
fd1ae4c9 | 563 | |
57d753e3 JA |
564 | static void add_slat_sample(struct thread_data *td, unsigned long msec) |
565 | { | |
566 | add_stat_sample(td, &td->slat_stat, msec); | |
567 | } | |
fd1ae4c9 | 568 | |
645785e5 | 569 | static void add_bw_sample(struct thread_data *td) |
57d753e3 JA |
570 | { |
571 | unsigned long spent = mtime_since_now(&td->stat_sample_time); | |
572 | unsigned long rate; | |
573 | ||
1d035750 | 574 | if (spent < td->bw_avg_time) |
57d753e3 JA |
575 | return; |
576 | ||
49d2caab | 577 | rate = (td->this_io_bytes - td->stat_io_bytes) / spent; |
57d753e3 JA |
578 | add_stat_sample(td, &td->bw_stat, rate); |
579 | ||
a0a9b35b JA |
580 | if (td->bw_log) |
581 | add_log_sample(td, td->bw_log, rate); | |
582 | ||
57d753e3 | 583 | gettimeofday(&td->stat_sample_time, NULL); |
49d2caab | 584 | td->stat_io_bytes = td->this_io_bytes; |
892199bd JA |
585 | } |
586 | ||
5c24b2c4 | 587 | static void usec_sleep(int usec) |
892199bd | 588 | { |
86184d14 JA |
589 | struct timespec req = { .tv_sec = 0, .tv_nsec = usec * 1000 }; |
590 | struct timespec rem; | |
892199bd JA |
591 | |
592 | do { | |
86184d14 JA |
593 | rem.tv_sec = rem.tv_nsec = 0; |
594 | nanosleep(&req, &rem); | |
595 | if (!rem.tv_nsec) | |
892199bd | 596 | break; |
86184d14 JA |
597 | |
598 | req.tv_nsec = rem.tv_nsec; | |
892199bd JA |
599 | } while (1); |
600 | } | |
601 | ||
9e850933 JA |
602 | static void rate_throttle(struct thread_data *td, unsigned long time_spent, |
603 | unsigned int bytes) | |
86184d14 | 604 | { |
9e850933 JA |
605 | unsigned long usec_cycle; |
606 | ||
4240cfa1 JA |
607 | if (!td->rate) |
608 | return; | |
609 | ||
9e850933 JA |
610 | usec_cycle = td->rate_usec_cycle * (bytes / td->min_bs); |
611 | ||
612 | if (time_spent < usec_cycle) { | |
613 | unsigned long s = usec_cycle - time_spent; | |
86184d14 JA |
614 | |
615 | td->rate_pending_usleep += s; | |
fad86e6a | 616 | if (td->rate_pending_usleep >= 100000) { |
86184d14 JA |
617 | usec_sleep(td->rate_pending_usleep); |
618 | td->rate_pending_usleep = 0; | |
619 | } | |
4240cfa1 | 620 | } else { |
9e850933 | 621 | long overtime = time_spent - usec_cycle; |
42b2b9fe | 622 | |
4240cfa1 JA |
623 | td->rate_pending_usleep -= overtime; |
624 | } | |
625 | } | |
626 | ||
5c24b2c4 | 627 | static int check_min_rate(struct thread_data *td, struct timeval *now) |
4240cfa1 | 628 | { |
7607bc6b | 629 | unsigned long spent; |
4240cfa1 JA |
630 | unsigned long rate; |
631 | ||
632 | /* | |
633 | * allow a 2 second settle period in the beginning | |
634 | */ | |
7607bc6b | 635 | if (mtime_since(&td->start, now) < 2000) |
4240cfa1 JA |
636 | return 0; |
637 | ||
638 | /* | |
639 | * if rate blocks is set, sample is running | |
640 | */ | |
49d2caab | 641 | if (td->rate_bytes) { |
4240cfa1 JA |
642 | spent = mtime_since(&td->lastrate, now); |
643 | if (spent < td->ratecycle) | |
644 | return 0; | |
645 | ||
49d2caab | 646 | rate = (td->this_io_bytes - td->rate_bytes) / spent; |
4240cfa1 JA |
647 | if (rate < td->ratemin) { |
648 | printf("Client%d: min rate %d not met, got %ldKiB/sec\n", td->thread_number, td->ratemin, rate); | |
02bdd9ba | 649 | if (rate_quit) |
e6402082 | 650 | sig_handler(0); |
4240cfa1 JA |
651 | return 1; |
652 | } | |
86184d14 | 653 | } |
4240cfa1 | 654 | |
49d2caab | 655 | td->rate_bytes = td->this_io_bytes; |
4240cfa1 JA |
656 | memcpy(&td->lastrate, now, sizeof(*now)); |
657 | return 0; | |
86184d14 JA |
658 | } |
659 | ||
67903a2e JA |
660 | static inline int runtime_exceeded(struct thread_data *td, struct timeval *t) |
661 | { | |
01f79976 JA |
662 | if (!td->timeout) |
663 | return 0; | |
67903a2e JA |
664 | if (mtime_since(&td->start, t) >= td->timeout * 1000) |
665 | return 1; | |
666 | ||
667 | return 0; | |
668 | } | |
669 | ||
e8457004 JA |
670 | static void fill_random_bytes(struct thread_data *td, |
671 | unsigned char *p, unsigned int len) | |
672 | { | |
645785e5 | 673 | unsigned int todo; |
40ef7f64 | 674 | double r; |
e8457004 JA |
675 | |
676 | while (len) { | |
40ef7f64 | 677 | drand48_r(&td->verify_state, &r); |
e8457004 | 678 | |
40ef7f64 JA |
679 | /* |
680 | * lrand48_r seems to be broken and only fill the bottom | |
681 | * 32-bits, even on 64-bit archs with 64-bit longs | |
682 | */ | |
683 | todo = sizeof(r); | |
e8457004 JA |
684 | if (todo > len) |
685 | todo = len; | |
686 | ||
687 | memcpy(p, &r, todo); | |
688 | ||
689 | len -= todo; | |
690 | p += todo; | |
691 | } | |
692 | } | |
693 | ||
9d0c6ca2 JA |
694 | static void hexdump(void *buffer, int len) |
695 | { | |
696 | unsigned char *p = buffer; | |
697 | int i; | |
698 | ||
699 | for (i = 0; i < len; i++) | |
700 | printf("%02x", p[i]); | |
701 | printf("\n"); | |
702 | } | |
703 | ||
645785e5 | 704 | static int verify_io_u(struct io_u *io_u) |
e8457004 JA |
705 | { |
706 | struct verify_header *hdr = (struct verify_header *) io_u->buf; | |
707 | unsigned char *p = (unsigned char *) io_u->buf; | |
708 | struct md5_ctx md5_ctx; | |
9d0c6ca2 | 709 | int ret; |
e8457004 | 710 | |
840b216f | 711 | if (hdr->fio_magic != FIO_HDR_MAGIC) |
e8457004 JA |
712 | return 1; |
713 | ||
714 | memset(&md5_ctx, 0, sizeof(md5_ctx)); | |
715 | p += sizeof(*hdr); | |
716 | md5_update(&md5_ctx, p, hdr->len - sizeof(*hdr)); | |
717 | ||
9d0c6ca2 JA |
718 | ret = memcmp(hdr->md5_digest, md5_ctx.hash, sizeof(md5_ctx.hash)); |
719 | if (ret) { | |
720 | hexdump(hdr->md5_digest, sizeof(hdr->md5_digest)); | |
721 | hexdump(md5_ctx.hash, sizeof(md5_ctx.hash)); | |
722 | } | |
723 | ||
724 | return ret; | |
e8457004 JA |
725 | } |
726 | ||
cfc702bd JA |
727 | /* |
728 | * fill body of io_u->buf with random data and add a header with the | |
729 | * (eg) sha1sum of that data. | |
730 | */ | |
e8457004 | 731 | static void populate_io_u(struct thread_data *td, struct io_u *io_u) |
cfc702bd | 732 | { |
e8457004 JA |
733 | struct md5_ctx md5_ctx; |
734 | struct verify_header hdr; | |
735 | unsigned char *p = (unsigned char *) io_u->buf; | |
736 | ||
737 | hdr.fio_magic = FIO_HDR_MAGIC; | |
738 | hdr.len = io_u->buflen; | |
739 | p += sizeof(hdr); | |
740 | fill_random_bytes(td, p, io_u->buflen - sizeof(hdr)); | |
741 | ||
742 | memset(&md5_ctx, 0, sizeof(md5_ctx)); | |
743 | md5_update(&md5_ctx, p, io_u->buflen - sizeof(hdr)); | |
744 | memcpy(hdr.md5_digest, md5_ctx.hash, sizeof(md5_ctx.hash)); | |
745 | memcpy(io_u->buf, &hdr, sizeof(hdr)); | |
cfc702bd JA |
746 | } |
747 | ||
2c83567e JA |
748 | static void put_io_u(struct thread_data *td, struct io_u *io_u) |
749 | { | |
750 | list_del(&io_u->list); | |
751 | list_add(&io_u->list, &td->io_u_freelist); | |
752 | td->cur_depth--; | |
753 | } | |
754 | ||
f0f3411b JA |
755 | #define queue_full(td) (list_empty(&(td)->io_u_freelist)) |
756 | ||
e8457004 JA |
757 | static struct io_u *__get_io_u(struct thread_data *td) |
758 | { | |
759 | struct io_u *io_u; | |
760 | ||
f0f3411b | 761 | if (queue_full(td)) |
e8457004 JA |
762 | return NULL; |
763 | ||
764 | io_u = list_entry(td->io_u_freelist.next, struct io_u, list); | |
765 | list_del(&io_u->list); | |
766 | list_add(&io_u->list, &td->io_u_busylist); | |
f4bb2243 | 767 | td->cur_depth++; |
e8457004 JA |
768 | return io_u; |
769 | } | |
770 | ||
2c83567e JA |
771 | static struct io_u *get_io_u(struct thread_data *td) |
772 | { | |
773 | struct io_u *io_u; | |
774 | ||
e8457004 JA |
775 | io_u = __get_io_u(td); |
776 | if (!io_u) | |
2c83567e JA |
777 | return NULL; |
778 | ||
406e7b7c JA |
779 | if (get_next_offset(td, &io_u->offset)) { |
780 | put_io_u(td, io_u); | |
49d2caab | 781 | return NULL; |
406e7b7c | 782 | } |
49d2caab | 783 | |
b2a369fb JA |
784 | io_u->buflen = get_next_buflen(td); |
785 | if (!io_u->buflen) { | |
e8457004 | 786 | put_io_u(td, io_u); |
7889f07b | 787 | return NULL; |
e8457004 | 788 | } |
2c83567e | 789 | |
49d2caab JA |
790 | if (io_u->buflen + io_u->offset > td->io_size) |
791 | io_u->buflen = td->io_size - io_u->offset; | |
792 | ||
793 | if (!td->sequential) | |
794 | mark_random_map(td, io_u); | |
795 | ||
796 | td->last_bytes += io_u->buflen; | |
797 | ||
9d0c6ca2 | 798 | if (td->verify) |
e8457004 | 799 | populate_io_u(td, io_u); |
cfc702bd | 800 | |
2c83567e JA |
801 | if (td->use_aio) { |
802 | if (td_read(td)) | |
803 | io_prep_pread(&io_u->iocb, td->fd, io_u->buf, io_u->buflen, io_u->offset); | |
804 | else | |
805 | io_prep_pwrite(&io_u->iocb, td->fd, io_u->buf, io_u->buflen, io_u->offset); | |
806 | } | |
807 | ||
57d753e3 | 808 | gettimeofday(&io_u->start_time, NULL); |
2c83567e JA |
809 | return io_u; |
810 | } | |
811 | ||
40ef7f64 JA |
812 | static inline void td_set_runstate(struct thread_data *td, int runstate) |
813 | { | |
814 | td->old_runstate = td->runstate; | |
815 | td->runstate = runstate; | |
816 | } | |
817 | ||
645785e5 JA |
818 | static int get_next_verify(struct thread_data *td, |
819 | unsigned long long *offset, unsigned int *len) | |
820 | { | |
821 | struct io_piece *ipo; | |
822 | ||
823 | if (list_empty(&td->io_hist_list)) | |
824 | return 1; | |
825 | ||
826 | ipo = list_entry(td->io_hist_list.next, struct io_piece, list); | |
827 | list_del(&ipo->list); | |
828 | ||
829 | *offset = ipo->offset; | |
830 | *len = ipo->len; | |
831 | free(ipo); | |
832 | return 0; | |
833 | } | |
834 | ||
9d0c6ca2 JA |
835 | static void prune_io_piece_log(struct thread_data *td) |
836 | { | |
837 | struct io_piece *ipo; | |
838 | ||
839 | while (!list_empty(&td->io_hist_list)) { | |
840 | ipo = list_entry(td->io_hist_list.next, struct io_piece, list); | |
841 | ||
842 | list_del(&ipo->list); | |
843 | free(ipo); | |
844 | } | |
845 | } | |
846 | ||
9d0c6ca2 JA |
847 | /* |
848 | * log a succesful write, so we can unwind the log for verify | |
849 | */ | |
850 | static void log_io_piece(struct thread_data *td, struct io_u *io_u) | |
851 | { | |
49d2caab | 852 | struct io_piece *ipo = malloc(sizeof(struct io_piece)); |
9d0c6ca2 JA |
853 | struct list_head *entry; |
854 | ||
855 | INIT_LIST_HEAD(&ipo->list); | |
856 | ipo->offset = io_u->offset; | |
857 | ipo->len = io_u->buflen; | |
858 | ||
49d2caab JA |
859 | /* |
860 | * for random io where the writes extend the file, it will typically | |
861 | * be laid out with the block scattered as written. it's faster to | |
862 | * read them in in that order again, so don't sort | |
863 | */ | |
864 | if (td->sequential || !td->overwrite) { | |
9d0c6ca2 JA |
865 | list_add_tail(&ipo->list, &td->io_hist_list); |
866 | return; | |
867 | } | |
868 | ||
869 | /* | |
870 | * for random io, sort the list so verify will run faster | |
871 | */ | |
872 | entry = &td->io_hist_list; | |
873 | while ((entry = entry->prev) != &td->io_hist_list) { | |
874 | struct io_piece *__ipo = list_entry(entry, struct io_piece, list); | |
875 | ||
9d0c6ca2 JA |
876 | if (__ipo->offset < ipo->offset) |
877 | break; | |
878 | } | |
879 | ||
880 | list_add(&ipo->list, entry); | |
881 | } | |
882 | ||
91fc5dc9 | 883 | static void do_sync_verify(struct thread_data *td) |
cfc702bd | 884 | { |
40ef7f64 | 885 | struct timeval t; |
e8457004 | 886 | struct io_u *io_u = NULL; |
645785e5 | 887 | int ret; |
e8457004 | 888 | |
40ef7f64 | 889 | td_set_runstate(td, TD_VERIFYING); |
e8457004 JA |
890 | |
891 | io_u = __get_io_u(td); | |
892 | ||
40ef7f64 | 893 | if (!td->odirect) { |
49d2caab | 894 | if (fadvise(td->fd, td->file_offset, td->io_size, POSIX_FADV_DONTNEED) < 0) { |
40ef7f64 JA |
895 | td->error = errno; |
896 | goto out; | |
897 | } | |
898 | } | |
899 | ||
e8457004 JA |
900 | do { |
901 | if (td->terminate) | |
902 | break; | |
40ef7f64 JA |
903 | |
904 | gettimeofday(&t, NULL); | |
905 | if (runtime_exceeded(td, &t)) | |
906 | break; | |
907 | ||
645785e5 JA |
908 | if (get_next_verify(td, &io_u->offset, &io_u->buflen)) |
909 | break; | |
910 | ||
911 | if (td->cur_off != io_u->offset) { | |
912 | if (lseek(td->fd, io_u->offset, SEEK_SET) == -1) { | |
913 | td->error = errno; | |
914 | break; | |
915 | } | |
916 | } | |
e8457004 JA |
917 | |
918 | ret = read(td->fd, io_u->buf, io_u->buflen); | |
919 | if (ret < (int) io_u->buflen) { | |
920 | if (ret == -1) { | |
921 | td->error = errno; | |
922 | break; | |
923 | } else if (!ret) | |
924 | break; | |
925 | else | |
926 | io_u->buflen = ret; | |
927 | } | |
928 | ||
645785e5 | 929 | if (verify_io_u(io_u)) |
e8457004 JA |
930 | break; |
931 | ||
645785e5 | 932 | td->cur_off = io_u->offset + io_u->buflen; |
e8457004 JA |
933 | } while (1); |
934 | ||
935 | out: | |
40ef7f64 | 936 | td_set_runstate(td, TD_RUNNING); |
e8457004 | 937 | put_io_u(td, io_u); |
cfc702bd JA |
938 | } |
939 | ||
43000118 | 940 | static void do_sync_io(struct thread_data *td) |
892199bd | 941 | { |
7889f07b | 942 | unsigned long msec, usec; |
e8457004 | 943 | struct io_u *io_u = NULL; |
2c83567e | 944 | struct timeval e; |
892199bd | 945 | |
49d2caab | 946 | while (td->this_io_bytes < td->io_size) { |
892199bd JA |
947 | int ret; |
948 | ||
949 | if (td->terminate) | |
950 | break; | |
951 | ||
2c83567e | 952 | io_u = get_io_u(td); |
7889f07b JA |
953 | if (!io_u) |
954 | break; | |
2c83567e | 955 | |
63a09e51 JA |
956 | if (td->cur_off != io_u->offset) { |
957 | if (lseek(td->fd, io_u->offset, SEEK_SET) == -1) { | |
958 | td->error = errno; | |
959 | break; | |
960 | } | |
892199bd JA |
961 | } |
962 | ||
02983297 | 963 | if (td_read(td)) |
2c83567e | 964 | ret = read(td->fd, io_u->buf, io_u->buflen); |
892199bd | 965 | else |
2c83567e | 966 | ret = write(td->fd, io_u->buf, io_u->buflen); |
892199bd | 967 | |
2c83567e | 968 | if (ret < (int) io_u->buflen) { |
892199bd JA |
969 | if (ret == -1) |
970 | td->error = errno; | |
971 | break; | |
972 | } | |
973 | ||
62bb4285 | 974 | if (td_write(td)) |
645785e5 JA |
975 | log_io_piece(td, io_u); |
976 | ||
4240cfa1 | 977 | td->io_blocks++; |
49d2caab JA |
978 | td->io_bytes += io_u->buflen; |
979 | td->this_io_bytes += io_u->buflen; | |
63a09e51 | 980 | td->cur_off = io_u->offset + io_u->buflen; |
4240cfa1 | 981 | |
86184d14 JA |
982 | gettimeofday(&e, NULL); |
983 | ||
57d753e3 | 984 | usec = utime_since(&io_u->start_time, &e); |
86184d14 | 985 | |
9e850933 | 986 | rate_throttle(td, usec, io_u->buflen); |
892199bd | 987 | |
4240cfa1 JA |
988 | if (check_min_rate(td, &e)) { |
989 | td->error = ENODATA; | |
990 | break; | |
991 | } | |
892199bd | 992 | |
4240cfa1 | 993 | msec = usec / 1000; |
57d753e3 | 994 | add_clat_sample(td, msec); |
645785e5 | 995 | add_bw_sample(td); |
67903a2e JA |
996 | |
997 | if (runtime_exceeded(td, &e)) | |
998 | break; | |
2c83567e | 999 | |
cdf92433 | 1000 | put_io_u(td, io_u); |
e8457004 | 1001 | io_u = NULL; |
cdf92433 | 1002 | |
e97712ed JA |
1003 | if (td->thinktime) |
1004 | usec_sleep(td->thinktime); | |
1005 | ||
cdf92433 JA |
1006 | if (should_fsync(td) && td->fsync_blocks && |
1007 | (td->io_blocks % td->fsync_blocks) == 0) | |
1008 | fsync(td->fd); | |
892199bd JA |
1009 | } |
1010 | ||
e8457004 JA |
1011 | if (io_u) |
1012 | put_io_u(td, io_u); | |
1013 | ||
4240cfa1 | 1014 | if (should_fsync(td)) |
892199bd | 1015 | fsync(td->fd); |
892199bd | 1016 | } |
43000118 | 1017 | |
1ad72b11 JA |
1018 | static int io_u_getevents(struct thread_data *td, int min, int max, |
1019 | struct timespec *t) | |
1020 | { | |
1021 | int r; | |
1022 | ||
1023 | do { | |
1024 | r = io_getevents(td->aio_ctx, min, max, td->aio_events, t); | |
1025 | if (r != -EAGAIN && r != -EINTR) | |
1026 | break; | |
1027 | } while (1); | |
1028 | ||
1029 | return r; | |
1030 | } | |
1031 | ||
2c83567e | 1032 | static int io_u_queue(struct thread_data *td, struct io_u *io_u) |
56b0eff0 | 1033 | { |
2c83567e | 1034 | struct iocb *iocb = &io_u->iocb; |
56b0eff0 JA |
1035 | int ret; |
1036 | ||
1037 | do { | |
254605cd | 1038 | ret = io_submit(td->aio_ctx, 1, &iocb); |
56b0eff0 JA |
1039 | if (ret == 1) |
1040 | return 0; | |
406e7b7c | 1041 | else if (ret == -EAGAIN) |
56b0eff0 | 1042 | usleep(100); |
406e7b7c | 1043 | else if (ret == -EINTR) |
a592bd33 | 1044 | continue; |
56b0eff0 JA |
1045 | else |
1046 | break; | |
1047 | } while (1); | |
1048 | ||
a592bd33 | 1049 | return ret; |
56b0eff0 JA |
1050 | } |
1051 | ||
98168d55 | 1052 | #define iocb_time(iocb) ((unsigned long) (iocb)->data) |
2c83567e JA |
1053 | #define ev_to_iou(ev) (struct io_u *) ((unsigned long) (ev)->obj) |
1054 | ||
f0f3411b | 1055 | static int ios_completed(struct thread_data *td, int nr) |
2c83567e JA |
1056 | { |
1057 | unsigned long msec; | |
1058 | struct io_u *io_u; | |
1059 | struct timeval e; | |
9e850933 | 1060 | int i, bytes_done; |
2c83567e | 1061 | |
f0f3411b | 1062 | gettimeofday(&e, NULL); |
2c83567e | 1063 | |
9e850933 | 1064 | for (i = 0, bytes_done = 0; i < nr; i++) { |
2c83567e JA |
1065 | io_u = ev_to_iou(td->aio_events + i); |
1066 | ||
f0f3411b | 1067 | td->io_blocks++; |
49d2caab JA |
1068 | td->io_bytes += io_u->buflen; |
1069 | td->this_io_bytes += io_u->buflen; | |
8c033f93 | 1070 | |
f0f3411b | 1071 | msec = mtime_since(&io_u->issue_time, &e); |
2c83567e | 1072 | |
f0f3411b | 1073 | add_clat_sample(td, msec); |
645785e5 JA |
1074 | add_bw_sample(td); |
1075 | ||
62bb4285 | 1076 | if (td_write(td)) |
645785e5 | 1077 | log_io_piece(td, io_u); |
2c83567e | 1078 | |
f4bb2243 | 1079 | bytes_done += io_u->buflen; |
2c83567e JA |
1080 | put_io_u(td, io_u); |
1081 | } | |
9e850933 JA |
1082 | |
1083 | return bytes_done; | |
2c83567e JA |
1084 | } |
1085 | ||
1086 | static void cleanup_pending_aio(struct thread_data *td) | |
1087 | { | |
1088 | struct timespec ts = { .tv_sec = 0, .tv_nsec = 0}; | |
1089 | struct list_head *entry, *n; | |
1090 | struct io_u *io_u; | |
1091 | int r; | |
1092 | ||
1093 | /* | |
1094 | * get immediately available events, if any | |
1095 | */ | |
1ad72b11 | 1096 | r = io_u_getevents(td, 0, td->cur_depth, &ts); |
2c83567e | 1097 | if (r > 0) |
f0f3411b | 1098 | ios_completed(td, r); |
2c83567e JA |
1099 | |
1100 | /* | |
1101 | * now cancel remaining active events | |
1102 | */ | |
1103 | list_for_each_safe(entry, n, &td->io_u_busylist) { | |
1104 | io_u = list_entry(entry, struct io_u, list); | |
1105 | ||
1106 | r = io_cancel(td->aio_ctx, &io_u->iocb, td->aio_events); | |
1107 | if (!r) | |
1108 | put_io_u(td, io_u); | |
1109 | } | |
1110 | ||
1111 | if (td->cur_depth) { | |
1ad72b11 | 1112 | r = io_u_getevents(td, td->cur_depth, td->cur_depth, NULL); |
2c83567e | 1113 | if (r > 0) |
f0f3411b | 1114 | ios_completed(td, r); |
2c83567e JA |
1115 | } |
1116 | } | |
98168d55 | 1117 | |
d32d9284 JA |
1118 | static int async_do_verify(struct thread_data *td, struct io_u **io_u) |
1119 | { | |
1120 | struct io_u *v_io_u = *io_u; | |
1121 | int ret = 0; | |
1122 | ||
1123 | if (v_io_u) { | |
645785e5 | 1124 | ret = verify_io_u(v_io_u); |
d32d9284 JA |
1125 | put_io_u(td, v_io_u); |
1126 | *io_u = NULL; | |
1127 | } | |
1128 | ||
1129 | return ret; | |
1130 | } | |
1131 | ||
91fc5dc9 | 1132 | static void do_async_verify(struct thread_data *td) |
cfc702bd | 1133 | { |
f4bb2243 | 1134 | struct timeval t; |
d32d9284 | 1135 | struct io_u *io_u, *v_io_u = NULL; |
645785e5 | 1136 | int ret; |
f4bb2243 JA |
1137 | |
1138 | td_set_runstate(td, TD_VERIFYING); | |
1139 | ||
f4bb2243 JA |
1140 | do { |
1141 | if (td->terminate) | |
1142 | break; | |
1143 | ||
1144 | gettimeofday(&t, NULL); | |
1145 | if (runtime_exceeded(td, &t)) | |
1146 | break; | |
1147 | ||
1148 | io_u = __get_io_u(td); | |
1149 | if (!io_u) | |
1150 | break; | |
1151 | ||
645785e5 JA |
1152 | if (get_next_verify(td, &io_u->offset, &io_u->buflen)) { |
1153 | put_io_u(td, io_u); | |
1154 | break; | |
f4bb2243 JA |
1155 | } |
1156 | ||
1157 | io_prep_pread(&io_u->iocb, td->fd, io_u->buf, io_u->buflen, io_u->offset); | |
1158 | ret = io_u_queue(td, io_u); | |
1159 | if (ret) { | |
1160 | put_io_u(td, io_u); | |
1161 | td->error = ret; | |
1162 | break; | |
1163 | } | |
1164 | ||
f0f3411b JA |
1165 | /* |
1166 | * we have one pending to verify, do that while the next | |
1167 | * we are doing io on the next one | |
1168 | */ | |
d32d9284 JA |
1169 | if (async_do_verify(td, &v_io_u)) |
1170 | break; | |
f0f3411b | 1171 | |
1ad72b11 | 1172 | ret = io_u_getevents(td, 1, 1, NULL); |
f0f3411b JA |
1173 | if (ret != 1) { |
1174 | if (ret < 0) | |
1175 | td->error = ret; | |
f4bb2243 JA |
1176 | break; |
1177 | } | |
1178 | ||
f0f3411b | 1179 | v_io_u = ev_to_iou(td->aio_events); |
f4bb2243 | 1180 | |
645785e5 | 1181 | td->cur_off = v_io_u->offset + v_io_u->buflen; |
f0f3411b JA |
1182 | |
1183 | /* | |
d32d9284 | 1184 | * if we can't submit more io, we need to verify now |
f0f3411b | 1185 | */ |
d32d9284 JA |
1186 | if (queue_full(td) && async_do_verify(td, &v_io_u)) |
1187 | break; | |
1188 | ||
f4bb2243 JA |
1189 | } while (1); |
1190 | ||
d32d9284 | 1191 | async_do_verify(td, &v_io_u); |
f0f3411b | 1192 | |
f4bb2243 JA |
1193 | if (td->cur_depth) |
1194 | cleanup_pending_aio(td); | |
1195 | ||
1196 | td_set_runstate(td, TD_RUNNING); | |
cfc702bd JA |
1197 | } |
1198 | ||
43000118 JA |
1199 | static void do_async_io(struct thread_data *td) |
1200 | { | |
1201 | struct timeval s, e; | |
7889f07b | 1202 | unsigned long usec; |
43000118 | 1203 | |
49d2caab | 1204 | while (td->this_io_bytes < td->io_size) { |
43000118 JA |
1205 | struct timespec ts = { .tv_sec = 0, .tv_nsec = 0}; |
1206 | struct timespec *timeout; | |
2c83567e JA |
1207 | int ret, min_evts = 0; |
1208 | struct io_u *io_u; | |
9e850933 | 1209 | unsigned int bytes_done; |
43000118 JA |
1210 | |
1211 | if (td->terminate) | |
1212 | break; | |
1213 | ||
2c83567e | 1214 | io_u = get_io_u(td); |
7889f07b JA |
1215 | if (!io_u) |
1216 | break; | |
43000118 | 1217 | |
57d753e3 | 1218 | memcpy(&s, &io_u->start_time, sizeof(s)); |
8baf1bcc | 1219 | |
2c83567e | 1220 | ret = io_u_queue(td, io_u); |
56b0eff0 | 1221 | if (ret) { |
a3fdb993 | 1222 | put_io_u(td, io_u); |
a592bd33 | 1223 | td->error = ret; |
43000118 JA |
1224 | break; |
1225 | } | |
1226 | ||
57d753e3 JA |
1227 | gettimeofday(&io_u->issue_time, NULL); |
1228 | add_slat_sample(td, mtime_since(&io_u->start_time, &io_u->issue_time)); | |
2c83567e | 1229 | if (td->cur_depth < td->aio_depth) { |
43000118 JA |
1230 | timeout = &ts; |
1231 | min_evts = 0; | |
1232 | } else { | |
1233 | timeout = NULL; | |
1234 | min_evts = 1; | |
1235 | } | |
1236 | ||
1ad72b11 | 1237 | ret = io_u_getevents(td, min_evts, td->cur_depth, timeout); |
43000118 | 1238 | if (ret < 0) { |
406e7b7c | 1239 | td->error = ret; |
43000118 JA |
1240 | break; |
1241 | } else if (!ret) | |
1242 | continue; | |
1243 | ||
f0f3411b | 1244 | bytes_done = ios_completed(td, ret); |
43000118 | 1245 | |
98168d55 JA |
1246 | /* |
1247 | * the rate is batched for now, it should work for batches | |
1248 | * of completions except the very first one which may look | |
1249 | * a little bursty | |
1250 | */ | |
2c83567e | 1251 | gettimeofday(&e, NULL); |
43000118 JA |
1252 | usec = utime_since(&s, &e); |
1253 | ||
9e850933 | 1254 | rate_throttle(td, usec, bytes_done); |
43000118 JA |
1255 | |
1256 | if (check_min_rate(td, &e)) { | |
1257 | td->error = ENODATA; | |
1258 | break; | |
1259 | } | |
67903a2e JA |
1260 | |
1261 | if (runtime_exceeded(td, &e)) | |
1262 | break; | |
765d9223 JA |
1263 | |
1264 | if (td->thinktime) | |
1265 | usec_sleep(td->thinktime); | |
cdf92433 JA |
1266 | |
1267 | if (should_fsync(td) && td->fsync_blocks && | |
1268 | (td->io_blocks % td->fsync_blocks) == 0) | |
1269 | fsync(td->fd); | |
43000118 | 1270 | } |
56b0eff0 | 1271 | |
2c83567e JA |
1272 | if (td->cur_depth) |
1273 | cleanup_pending_aio(td); | |
4ac89145 JA |
1274 | |
1275 | if (should_fsync(td)) | |
1276 | fsync(td->fd); | |
56b0eff0 JA |
1277 | } |
1278 | ||
1279 | static void cleanup_aio(struct thread_data *td) | |
1280 | { | |
254605cd JA |
1281 | io_destroy(td->aio_ctx); |
1282 | ||
43000118 JA |
1283 | if (td->aio_events) |
1284 | free(td->aio_events); | |
43000118 JA |
1285 | } |
1286 | ||
1287 | static int init_aio(struct thread_data *td) | |
1288 | { | |
254605cd | 1289 | if (io_queue_init(td->aio_depth, &td->aio_ctx)) { |
43000118 JA |
1290 | td->error = errno; |
1291 | return 1; | |
1292 | } | |
1293 | ||
43000118 | 1294 | td->aio_events = malloc(td->aio_depth * sizeof(struct io_event)); |
43000118 JA |
1295 | return 0; |
1296 | } | |
1297 | ||
2c83567e JA |
1298 | static void cleanup_io_u(struct thread_data *td) |
1299 | { | |
1300 | struct list_head *entry, *n; | |
1301 | struct io_u *io_u; | |
1302 | ||
1303 | list_for_each_safe(entry, n, &td->io_u_freelist) { | |
1304 | io_u = list_entry(entry, struct io_u, list); | |
1305 | ||
1306 | list_del(&io_u->list); | |
2c83567e JA |
1307 | free(io_u); |
1308 | } | |
6b71c826 | 1309 | |
99c6704f JA |
1310 | if (td->mem_type == MEM_MALLOC) |
1311 | free(td->orig_buffer); | |
1312 | else if (td->mem_type == MEM_SHM) { | |
1313 | struct shmid_ds sbuf; | |
1314 | ||
1315 | shmdt(td->orig_buffer); | |
1316 | shmctl(td->shm_id, IPC_RMID, &sbuf); | |
1317 | } | |
2c83567e JA |
1318 | } |
1319 | ||
99c6704f | 1320 | static int init_io_u(struct thread_data *td) |
2c83567e JA |
1321 | { |
1322 | struct io_u *io_u; | |
99c6704f | 1323 | int i, max_units, mem_size; |
6b71c826 | 1324 | char *p; |
2c83567e JA |
1325 | |
1326 | if (!td->use_aio) | |
1327 | max_units = 1; | |
1328 | else | |
1329 | max_units = td->aio_depth; | |
1330 | ||
7889f07b | 1331 | mem_size = td->max_bs * max_units + MASK; |
99c6704f JA |
1332 | |
1333 | if (td->mem_type == MEM_MALLOC) | |
1334 | td->orig_buffer = malloc(mem_size); | |
1335 | else if (td->mem_type == MEM_SHM) { | |
1336 | td->shm_id = shmget(IPC_PRIVATE, mem_size, IPC_CREAT | 0600); | |
1337 | if (td->shm_id < 0) { | |
1338 | td->error = errno; | |
1339 | perror("shmget"); | |
1340 | return 1; | |
1341 | } | |
1342 | ||
1343 | td->orig_buffer = shmat(td->shm_id, NULL, 0); | |
1344 | if (td->orig_buffer == (void *) -1) { | |
1345 | td->error = errno; | |
1346 | perror("shmat"); | |
1347 | return 1; | |
1348 | } | |
1349 | } | |
6b71c826 | 1350 | |
2c83567e JA |
1351 | INIT_LIST_HEAD(&td->io_u_freelist); |
1352 | INIT_LIST_HEAD(&td->io_u_busylist); | |
645785e5 | 1353 | INIT_LIST_HEAD(&td->io_hist_list); |
2c83567e | 1354 | |
99c6704f | 1355 | p = ALIGN(td->orig_buffer); |
2c83567e JA |
1356 | for (i = 0; i < max_units; i++) { |
1357 | io_u = malloc(sizeof(*io_u)); | |
1358 | memset(io_u, 0, sizeof(*io_u)); | |
1359 | INIT_LIST_HEAD(&io_u->list); | |
1360 | ||
7889f07b | 1361 | io_u->buf = p + td->max_bs * i; |
2c83567e JA |
1362 | list_add(&io_u->list, &td->io_u_freelist); |
1363 | } | |
99c6704f JA |
1364 | |
1365 | return 0; | |
2c83567e JA |
1366 | } |
1367 | ||
a0a9b35b JA |
1368 | static void setup_log(struct io_log **log) |
1369 | { | |
1370 | struct io_log *l = malloc(sizeof(*l)); | |
1371 | ||
1372 | l->nr_samples = 0; | |
1373 | l->max_samples = 1024; | |
1374 | l->log = malloc(l->max_samples * sizeof(struct io_sample)); | |
1375 | *log = l; | |
1376 | } | |
1377 | ||
1378 | static void finish_log(struct thread_data *td, struct io_log *log, char *name) | |
1379 | { | |
1380 | char file_name[128]; | |
1381 | FILE *f; | |
645785e5 | 1382 | unsigned int i; |
a0a9b35b JA |
1383 | |
1384 | sprintf(file_name, "client%d_%s.log", td->thread_number, name); | |
1385 | f = fopen(file_name, "w"); | |
1386 | if (!f) { | |
1387 | perror("fopen log"); | |
1388 | return; | |
1389 | } | |
1390 | ||
1391 | for (i = 0; i < log->nr_samples; i++) | |
1392 | fprintf(f, "%lu, %lu\n", log->log[i].time, log->log[i].val); | |
1393 | ||
1394 | fclose(f); | |
1395 | free(log->log); | |
1396 | free(log); | |
1397 | } | |
1398 | ||
02983297 JA |
1399 | static int create_file(struct thread_data *td) |
1400 | { | |
7889f07b | 1401 | unsigned long long left; |
645785e5 | 1402 | unsigned int bs; |
02983297 | 1403 | char *b; |
645785e5 | 1404 | int r; |
02983297 | 1405 | |
02983297 JA |
1406 | /* |
1407 | * unless specifically asked for overwrite, let normal io extend it | |
1408 | */ | |
62bb4285 | 1409 | if (td_write(td) && !td->overwrite) |
02983297 JA |
1410 | return 0; |
1411 | ||
57d753e3 JA |
1412 | if (!td->file_size) { |
1413 | fprintf(stderr, "Need size for create\n"); | |
1414 | td->error = EINVAL; | |
1415 | return 1; | |
1416 | } | |
1417 | ||
42fd89a7 JA |
1418 | printf("Client%d: Laying out IO file\n", td->thread_number); |
1419 | ||
02983297 JA |
1420 | td->fd = open(td->file_name, O_WRONLY | O_CREAT | O_TRUNC, 0644); |
1421 | if (td->fd < 0) { | |
1422 | td->error = errno; | |
1423 | return 1; | |
1424 | } | |
1425 | ||
c94deb1c JA |
1426 | if (ftruncate(td->fd, td->file_size) == -1) { |
1427 | td->error = errno; | |
1428 | return 1; | |
1429 | } | |
1430 | ||
49d2caab | 1431 | td->io_size = td->file_size; |
7889f07b JA |
1432 | b = malloc(td->max_bs); |
1433 | memset(b, 0, td->max_bs); | |
1434 | ||
1435 | left = td->file_size; | |
1436 | while (left) { | |
1437 | bs = td->max_bs; | |
1438 | if (bs > left) | |
1439 | bs = left; | |
02983297 | 1440 | |
7889f07b | 1441 | r = write(td->fd, b, bs); |
02983297 | 1442 | |
645785e5 | 1443 | if (r == (int) bs) { |
7889f07b | 1444 | left -= bs; |
02983297 | 1445 | continue; |
7889f07b | 1446 | } else { |
02983297 JA |
1447 | if (r < 0) |
1448 | td->error = errno; | |
1449 | else | |
1450 | td->error = EIO; | |
1451 | ||
1452 | break; | |
1453 | } | |
1454 | } | |
1455 | ||
fc097bfe JA |
1456 | if (td->create_fsync) |
1457 | fsync(td->fd); | |
1458 | ||
02983297 JA |
1459 | close(td->fd); |
1460 | td->fd = -1; | |
1461 | free(b); | |
1462 | return 0; | |
1463 | } | |
1464 | ||
1465 | static int file_exists(struct thread_data *td) | |
1466 | { | |
1467 | struct stat st; | |
1468 | ||
1469 | if (stat(td->file_name, &st) != -1) | |
1470 | return 1; | |
1471 | ||
1472 | return errno != ENOENT; | |
1473 | } | |
1474 | ||
c94deb1c | 1475 | static int get_file_size(struct thread_data *td) |
02983297 | 1476 | { |
c94deb1c | 1477 | size_t bytes = 0; |
02983297 | 1478 | struct stat st; |
c94deb1c JA |
1479 | |
1480 | if (fstat(td->fd, &st) == -1) { | |
1481 | td->error = errno; | |
1482 | return 1; | |
1483 | } | |
1484 | ||
1485 | /* | |
1486 | * if block device, get size via BLKGETSIZE64 ioctl. try that as well | |
1487 | * if this is a link, fall back to st.st_size if it fails | |
1488 | */ | |
1489 | if (S_ISBLK(st.st_mode) || S_ISLNK(st.st_mode)) { | |
1490 | if (ioctl(td->fd, BLKGETSIZE64, &bytes)) { | |
1491 | if (S_ISBLK(st.st_mode)) { | |
1492 | td->error = errno; | |
1493 | return 1; | |
1494 | } else | |
1495 | bytes = st.st_size; | |
1496 | } | |
1497 | } else | |
1498 | bytes = st.st_size; | |
1499 | ||
1500 | if (td_read(td)) { | |
1501 | if (td->file_size > bytes) | |
1502 | bytes = td->file_size; | |
1503 | } else { | |
1504 | if (!td->file_size) | |
1505 | td->file_size = 1024 * 1024 * 1024; | |
1506 | ||
1507 | bytes = td->file_size; | |
1508 | } | |
1509 | ||
1510 | if (td->file_offset > bytes) { | |
1511 | fprintf(stderr, "Client%d: offset larger than length\n", td->thread_number); | |
1512 | return 1; | |
1513 | } | |
1514 | ||
1515 | td->io_size = bytes - td->file_offset; | |
1516 | if (td->io_size == 0) { | |
1517 | fprintf(stderr, "Client%d: no io blocks\n", td->thread_number); | |
1518 | td->error = EINVAL; | |
1519 | return 1; | |
1520 | } | |
1521 | ||
1522 | return 0; | |
1523 | } | |
1524 | ||
1525 | static int setup_file(struct thread_data *td) | |
1526 | { | |
02983297 JA |
1527 | int flags = 0; |
1528 | ||
1529 | if (!file_exists(td)) { | |
1530 | if (!td->create_file) { | |
1531 | td->error = ENOENT; | |
1532 | return 1; | |
1533 | } | |
1534 | if (create_file(td)) | |
1535 | return 1; | |
1536 | } | |
1537 | ||
1538 | if (td->odirect) | |
1539 | flags |= O_DIRECT; | |
1540 | ||
1541 | if (td_read(td)) | |
1542 | td->fd = open(td->file_name, flags | O_RDONLY); | |
1543 | else { | |
1544 | if (!td->overwrite) | |
1545 | flags |= O_TRUNC; | |
74b4b5fb JA |
1546 | if (td->sync_io) |
1547 | flags |= O_SYNC; | |
e8457004 JA |
1548 | if (td->verify) |
1549 | flags |= O_RDWR; | |
1550 | else | |
1551 | flags |= O_WRONLY; | |
02983297 | 1552 | |
e8457004 | 1553 | td->fd = open(td->file_name, flags | O_CREAT, 0600); |
02983297 JA |
1554 | } |
1555 | ||
1556 | if (td->fd == -1) { | |
1557 | td->error = errno; | |
1558 | return 1; | |
1559 | } | |
1560 | ||
c94deb1c | 1561 | if (get_file_size(td)) |
49d2caab | 1562 | return 1; |
49d2caab | 1563 | |
62bb4285 | 1564 | if (td_write(td) && ftruncate(td->fd, td->file_size) == -1) { |
c94deb1c | 1565 | td->error = errno; |
02983297 JA |
1566 | return 1; |
1567 | } | |
1568 | ||
b95799ca | 1569 | if (td->invalidate_cache) { |
c94deb1c | 1570 | if (fadvise(td->fd, td->file_offset, td->file_size, POSIX_FADV_DONTNEED) < 0) { |
b95799ca JA |
1571 | td->error = errno; |
1572 | return 1; | |
1573 | } | |
1574 | } | |
1575 | ||
02983297 JA |
1576 | return 0; |
1577 | } | |
1578 | ||
d32d9284 JA |
1579 | static void clear_io_state(struct thread_data *td) |
1580 | { | |
9d0c6ca2 JA |
1581 | if (!td->use_aio) |
1582 | lseek(td->fd, SEEK_SET, 0); | |
1583 | ||
d32d9284 | 1584 | td->cur_off = 0; |
49d2caab JA |
1585 | td->last_bytes = 0; |
1586 | td->stat_io_bytes = 0; | |
1587 | td->this_io_bytes = 0; | |
1588 | ||
1589 | if (td->file_map) | |
1590 | memset(td->file_map, 0, td->num_maps * sizeof(long)); | |
d32d9284 JA |
1591 | } |
1592 | ||
5c24b2c4 | 1593 | static void *thread_main(int shm_id, int offset, char *argv[]) |
892199bd JA |
1594 | { |
1595 | struct thread_data *td; | |
02983297 | 1596 | int ret = 1; |
2c83567e | 1597 | void *data; |
892199bd | 1598 | |
7292613b JA |
1599 | setsid(); |
1600 | ||
892199bd | 1601 | data = shmat(shm_id, NULL, 0); |
4ac89145 JA |
1602 | if (data == (void *) -1) { |
1603 | perror("shmat"); | |
1604 | return NULL; | |
1605 | } | |
1606 | ||
892199bd JA |
1607 | td = data + offset * sizeof(struct thread_data); |
1608 | td->pid = getpid(); | |
1609 | ||
99c6704f JA |
1610 | if (init_io_u(td)) |
1611 | goto err; | |
2c83567e | 1612 | |
18e0b78c JA |
1613 | if (sched_setaffinity(td->pid, sizeof(td->cpumask), &td->cpumask) == -1) { |
1614 | td->error = errno; | |
1615 | goto err; | |
1616 | } | |
1617 | ||
4240cfa1 | 1618 | sprintf(argv[0], "fio%d", offset); |
892199bd | 1619 | |
43000118 JA |
1620 | if (td->use_aio && init_aio(td)) |
1621 | goto err; | |
1622 | ||
f737299d | 1623 | if (td->ioprio) { |
892199bd JA |
1624 | if (ioprio_set(IOPRIO_WHO_PROCESS, 0, td->ioprio) == -1) { |
1625 | td->error = errno; | |
599002b3 | 1626 | goto err; |
892199bd JA |
1627 | } |
1628 | } | |
1629 | ||
1630 | sem_post(&startup_sem); | |
1631 | sem_wait(&td->mutex); | |
43000118 | 1632 | |
fc097bfe JA |
1633 | if (!td->create_serialize && setup_file(td)) |
1634 | goto err; | |
1635 | ||
49d2caab JA |
1636 | if (init_random_state(td)) |
1637 | goto err; | |
1638 | ||
7292613b JA |
1639 | gettimeofday(&td->start, NULL); |
1640 | ||
293753bb JA |
1641 | while (td->loops--) { |
1642 | gettimeofday(&td->stat_sample_time, NULL); | |
1643 | ||
1644 | if (td->ratemin) | |
1645 | memcpy(&td->lastrate, &td->stat_sample_time, sizeof(td->lastrate)); | |
7292613b | 1646 | |
d32d9284 | 1647 | clear_io_state(td); |
9d0c6ca2 | 1648 | prune_io_piece_log(td); |
fd1ae4c9 | 1649 | |
b2de0ed2 | 1650 | if (!td->use_aio) |
b6794fbf | 1651 | do_sync_io(td); |
b2de0ed2 JA |
1652 | else |
1653 | do_async_io(td); | |
1654 | ||
91fc5dc9 JA |
1655 | if (td->error) |
1656 | break; | |
1657 | ||
b2de0ed2 JA |
1658 | if (!td->verify) |
1659 | continue; | |
cfc702bd | 1660 | |
b2de0ed2 | 1661 | clear_io_state(td); |
d32d9284 | 1662 | |
91fc5dc9 JA |
1663 | if (!td->use_aio) |
1664 | do_sync_verify(td); | |
1665 | else | |
1666 | do_async_verify(td); | |
1667 | ||
1668 | if (td->error) | |
1669 | break; | |
b6794fbf | 1670 | } |
7292613b | 1671 | |
be33abe4 | 1672 | td->runtime = mtime_since_now(&td->start); |
892199bd | 1673 | ret = 0; |
a0a9b35b JA |
1674 | |
1675 | if (td->bw_log) | |
1676 | finish_log(td, td->bw_log, "bw"); | |
1677 | if (td->lat_log) | |
1678 | finish_log(td, td->lat_log, "lat"); | |
4ac89145 | 1679 | |
98dd52d6 JA |
1680 | if (exitall_on_terminate) |
1681 | sig_handler(0); | |
1682 | ||
892199bd | 1683 | err: |
7292613b JA |
1684 | if (td->fd != -1) { |
1685 | close(td->fd); | |
1686 | td->fd = -1; | |
1687 | } | |
4ac89145 JA |
1688 | if (td->use_aio) |
1689 | cleanup_aio(td); | |
2c83567e | 1690 | cleanup_io_u(td); |
599002b3 | 1691 | if (ret) { |
892199bd | 1692 | sem_post(&startup_sem); |
599002b3 JA |
1693 | sem_wait(&td->mutex); |
1694 | } | |
40ef7f64 | 1695 | td_set_runstate(td, TD_EXITED); |
4240cfa1 | 1696 | shmdt(data); |
892199bd JA |
1697 | return NULL; |
1698 | } | |
1699 | ||
5c24b2c4 | 1700 | static void free_shm(void) |
892199bd | 1701 | { |
c269123b JA |
1702 | struct shmid_ds sbuf; |
1703 | ||
1704 | if (threads) { | |
1705 | shmdt(threads); | |
1706 | threads = NULL; | |
1707 | shmctl(shm_id, IPC_RMID, &sbuf); | |
1708 | } | |
892199bd JA |
1709 | } |
1710 | ||
57d753e3 JA |
1711 | static int calc_lat(struct io_stat *is, unsigned long *min, unsigned long *max, |
1712 | double *mean, double *dev) | |
1713 | { | |
1714 | double n; | |
1715 | ||
1716 | if (is->samples == 0) | |
1717 | return 0; | |
1718 | ||
1719 | *min = is->min_val; | |
1720 | *max = is->max_val; | |
1721 | ||
1722 | n = (double) is->samples; | |
1723 | *mean = (double) is->val / n; | |
1724 | *dev = sqrt(((double) is->val_sq - (*mean * *mean) / n) / (n - 1)); | |
1725 | return 1; | |
1726 | } | |
1727 | ||
5c24b2c4 | 1728 | static void show_thread_status(struct thread_data *td) |
892199bd JA |
1729 | { |
1730 | int prio, prio_class; | |
57d753e3 JA |
1731 | unsigned long min, max, bw = 0; |
1732 | double mean, dev; | |
892199bd | 1733 | |
49d2caab | 1734 | if (!td->io_bytes && !td->error) |
213b446c JA |
1735 | return; |
1736 | ||
892199bd | 1737 | if (td->runtime) |
49d2caab | 1738 | bw = td->io_bytes / td->runtime; |
892199bd JA |
1739 | |
1740 | prio = td->ioprio & 0xff; | |
1741 | prio_class = td->ioprio >> IOPRIO_CLASS_SHIFT; | |
1742 | ||
49d2caab | 1743 | printf("Client%d: err=%2d, io=%6luMiB, bw=%6luKiB/s, runt=%6lumsec\n", td->thread_number, td->error, td->io_bytes >> 20, bw, td->runtime); |
fd1ae4c9 | 1744 | |
57d753e3 JA |
1745 | if (calc_lat(&td->slat_stat, &min, &max, &mean, &dev)) |
1746 | printf(" slat (msec): min=%5lu, max=%5lu, avg=%5.02f, dev=%5.02f\n", min, max, mean, dev); | |
1747 | if (calc_lat(&td->clat_stat, &min, &max, &mean, &dev)) | |
1748 | printf(" clat (msec): min=%5lu, max=%5lu, avg=%5.02f, dev=%5.02f\n", min, max, mean, dev); | |
1749 | if (calc_lat(&td->bw_stat, &min, &max, &mean, &dev)) | |
1750 | printf(" bw (KiB/s) : min=%5lu, max=%5lu, avg=%5.02f, dev=%5.02f\n", min, max, mean, dev); | |
892199bd JA |
1751 | } |
1752 | ||
5c24b2c4 | 1753 | static int setup_rate(struct thread_data *td) |
86184d14 | 1754 | { |
4240cfa1 JA |
1755 | int nr_reads_per_sec; |
1756 | ||
1757 | if (!td->rate) | |
1758 | return 0; | |
1759 | ||
1760 | if (td->rate < td->ratemin) { | |
1761 | fprintf(stderr, "min rate larger than nominal rate\n"); | |
1762 | return -1; | |
1763 | } | |
86184d14 | 1764 | |
49d2caab | 1765 | nr_reads_per_sec = (td->rate * 1024) / td->min_bs; |
86184d14 JA |
1766 | td->rate_usec_cycle = 1000000 / nr_reads_per_sec; |
1767 | td->rate_pending_usleep = 0; | |
4240cfa1 | 1768 | return 0; |
86184d14 JA |
1769 | } |
1770 | ||
47d45203 | 1771 | static struct thread_data *get_new_job(int global) |
892199bd | 1772 | { |
4240cfa1 JA |
1773 | struct thread_data *td; |
1774 | ||
47d45203 JA |
1775 | if (global) |
1776 | return &def_thread; | |
8867c0a8 | 1777 | if (thread_number >= max_jobs) |
4240cfa1 JA |
1778 | return NULL; |
1779 | ||
1780 | td = &threads[thread_number++]; | |
fc24389f | 1781 | memset(td, 0, sizeof(*td)); |
892199bd | 1782 | |
e4ed35c3 | 1783 | td->fd = -1; |
86184d14 | 1784 | td->thread_number = thread_number; |
76cb7b42 | 1785 | |
47d45203 | 1786 | td->ddir = def_thread.ddir; |
76cb7b42 JA |
1787 | td->ioprio = def_thread.ioprio; |
1788 | td->sequential = def_thread.sequential; | |
47d45203 | 1789 | td->bs = def_thread.bs; |
8c033f93 JA |
1790 | td->min_bs = def_thread.min_bs; |
1791 | td->max_bs = def_thread.max_bs; | |
47d45203 | 1792 | td->odirect = def_thread.odirect; |
e97712ed | 1793 | td->thinktime = def_thread.thinktime; |
76cb7b42 JA |
1794 | td->fsync_blocks = def_thread.fsync_blocks; |
1795 | td->start_delay = def_thread.start_delay; | |
67903a2e | 1796 | td->timeout = def_thread.timeout; |
76cb7b42 | 1797 | td->use_aio = def_thread.use_aio; |
02983297 JA |
1798 | td->create_file = def_thread.create_file; |
1799 | td->overwrite = def_thread.overwrite; | |
b95799ca | 1800 | td->invalidate_cache = def_thread.invalidate_cache; |
76cb7b42 | 1801 | td->file_size = def_thread.file_size; |
9b5cf6c0 | 1802 | td->file_offset = def_thread.file_offset; |
76cb7b42 JA |
1803 | td->rate = def_thread.rate; |
1804 | td->ratemin = def_thread.ratemin; | |
1805 | td->ratecycle = def_thread.ratecycle; | |
1806 | td->aio_depth = def_thread.aio_depth; | |
99c6704f JA |
1807 | td->sync_io = def_thread.sync_io; |
1808 | td->mem_type = def_thread.mem_type; | |
1d035750 | 1809 | td->bw_avg_time = def_thread.bw_avg_time; |
fc097bfe JA |
1810 | td->create_serialize = def_thread.create_serialize; |
1811 | td->create_fsync = def_thread.create_fsync; | |
b6794fbf | 1812 | td->loops = def_thread.loops; |
cfc702bd | 1813 | td->verify = def_thread.verify; |
47d45203 | 1814 | memcpy(&td->cpumask, &def_thread.cpumask, sizeof(td->cpumask)); |
f737299d JA |
1815 | |
1816 | return td; | |
1817 | } | |
1818 | ||
4240cfa1 JA |
1819 | static void put_job(struct thread_data *td) |
1820 | { | |
1821 | memset(&threads[td->thread_number - 1], 0, sizeof(*td)); | |
1822 | thread_number--; | |
1823 | } | |
1824 | ||
5c24b2c4 JA |
1825 | static int add_job(struct thread_data *td, const char *filename, int prioclass, |
1826 | int prio) | |
f737299d | 1827 | { |
47d45203 JA |
1828 | if (td == &def_thread) |
1829 | return 0; | |
1830 | ||
f737299d | 1831 | strcpy(td->file_name, filename); |
4240cfa1 | 1832 | sem_init(&td->mutex, 1, 0); |
f737299d JA |
1833 | td->ioprio = (prioclass << IOPRIO_CLASS_SHIFT) | prio; |
1834 | ||
57d753e3 JA |
1835 | td->clat_stat.min_val = ULONG_MAX; |
1836 | td->slat_stat.min_val = ULONG_MAX; | |
1837 | td->bw_stat.min_val = ULONG_MAX; | |
1838 | ||
8dbff0b1 JA |
1839 | run_str[td->thread_number - 1] = 'P'; |
1840 | ||
4ac89145 JA |
1841 | if (td->use_aio && !td->aio_depth) |
1842 | td->aio_depth = 1; | |
43000118 | 1843 | |
645785e5 | 1844 | if (td->min_bs == -1U) |
8bdcfab5 | 1845 | td->min_bs = td->bs; |
645785e5 | 1846 | if (td->max_bs == -1U) |
8bdcfab5 | 1847 | td->max_bs = td->bs; |
645785e5 | 1848 | if (td_read(td)) |
840b216f | 1849 | td->verify = 0; |
8bdcfab5 | 1850 | |
4240cfa1 JA |
1851 | if (setup_rate(td)) |
1852 | return -1; | |
f737299d | 1853 | |
a0a9b35b JA |
1854 | if (write_lat_log) |
1855 | setup_log(&td->lat_log); | |
1856 | if (write_bw_log) | |
1857 | setup_log(&td->bw_log); | |
1858 | ||
7889f07b | 1859 | 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 | 1860 | return 0; |
892199bd JA |
1861 | } |
1862 | ||
18e0b78c JA |
1863 | static void fill_cpu_mask(cpu_set_t cpumask, int cpu) |
1864 | { | |
f737299d | 1865 | unsigned int i; |
18e0b78c JA |
1866 | |
1867 | CPU_ZERO(&cpumask); | |
1868 | ||
1869 | for (i = 0; i < sizeof(int) * 8; i++) { | |
1870 | if ((1 << i) & cpu) | |
1871 | CPU_SET(i, &cpumask); | |
1872 | } | |
1873 | } | |
1874 | ||
7889f07b JA |
1875 | unsigned long get_mult(char c) |
1876 | { | |
1877 | switch (c) { | |
1878 | case 'k': | |
1879 | case 'K': | |
1880 | return 1024; | |
1881 | case 'm': | |
1882 | case 'M': | |
1883 | return 1024 * 1024; | |
1884 | case 'g': | |
1885 | case 'G': | |
1886 | return 1024 * 1024 * 1024; | |
1887 | default: | |
1888 | return 1; | |
1889 | } | |
1890 | } | |
1891 | ||
02983297 JA |
1892 | /* |
1893 | * convert string after '=' into decimal value, noting any size suffix | |
1894 | */ | |
1895 | static int str_cnv(char *p, unsigned long long *val) | |
1896 | { | |
02983297 JA |
1897 | char *str; |
1898 | int len; | |
1899 | ||
1900 | str = strstr(p, "="); | |
1901 | if (!str) | |
1902 | return 1; | |
1903 | ||
1904 | str++; | |
1905 | len = strlen(str); | |
02983297 JA |
1906 | |
1907 | *val = strtoul(str, NULL, 10); | |
1908 | if (*val == ULONG_MAX && errno == ERANGE) | |
1909 | return 1; | |
1910 | ||
7889f07b | 1911 | *val *= get_mult(str[len - 2]); |
02983297 | 1912 | return 0; |
02983297 JA |
1913 | } |
1914 | ||
02983297 JA |
1915 | static int check_strcnv(char *p, char *name, unsigned long long *val) |
1916 | { | |
1917 | if (!strstr(p, name)) | |
1918 | return 1; | |
1919 | ||
1920 | return str_cnv(p, val); | |
1921 | } | |
1922 | ||
99c6704f JA |
1923 | static int check_str(char *p, char *name, char *option) |
1924 | { | |
1925 | char *s = strstr(p, name); | |
1926 | ||
1927 | if (!s) | |
1928 | return 1; | |
1929 | ||
1930 | s += strlen(name); | |
1931 | if (strstr(s, option)) | |
1932 | return 0; | |
1933 | ||
1934 | return 1; | |
1935 | } | |
1936 | ||
7889f07b JA |
1937 | static int check_range(char *p, char *name, unsigned long *s, unsigned long *e) |
1938 | { | |
1939 | char str[128]; | |
1940 | char s1, s2; | |
1941 | ||
1942 | sprintf(str, "%s=%%lu%%c-%%lu%%c", name); | |
1943 | if (sscanf(p, str, s, &s1, e, &s2) == 4) { | |
1944 | *s *= get_mult(s1); | |
1945 | *e *= get_mult(s2); | |
1946 | return 0; | |
1947 | } | |
1948 | ||
1949 | sprintf(str, "%s = %%lu%%c-%%lu%%c", name); | |
1950 | if (sscanf(p, str, s, &s1, e, &s2) == 4) { | |
1951 | *s *= get_mult(s1); | |
1952 | *e *= get_mult(s2); | |
1953 | return 0; | |
1954 | } | |
1955 | ||
1956 | sprintf(str, "%s=%%lu-%%lu", name); | |
1957 | if (sscanf(p, str, s, e) == 2) | |
1958 | return 0; | |
1959 | ||
1960 | sprintf(str, "%s = %%lu-%%lu", name); | |
1961 | if (sscanf(p, str, s, e) == 2) | |
1962 | return 0; | |
1963 | ||
1964 | return 1; | |
1965 | ||
1966 | } | |
1967 | ||
5c24b2c4 | 1968 | static int check_int(char *p, char *name, unsigned int *val) |
7dd1389e JA |
1969 | { |
1970 | char str[128]; | |
1971 | ||
1972 | sprintf(str, "%s=%%d", name); | |
1973 | if (sscanf(p, str, val) == 1) | |
1974 | return 0; | |
1975 | ||
1976 | sprintf(str, "%s = %%d", name); | |
1977 | if (sscanf(p, str, val) == 1) | |
1978 | return 0; | |
1979 | ||
1980 | return 1; | |
1981 | } | |
1982 | ||
7292613b | 1983 | static int is_empty_or_comment(char *line) |
7dd1389e JA |
1984 | { |
1985 | unsigned int i; | |
1986 | ||
7292613b | 1987 | for (i = 0; i < strlen(line); i++) { |
7292613b | 1988 | if (line[i] == ';') |
47d45203 JA |
1989 | return 1; |
1990 | if (!isspace(line[i]) && !iscntrl(line[i])) | |
7292613b JA |
1991 | return 0; |
1992 | } | |
7dd1389e JA |
1993 | |
1994 | return 1; | |
1995 | } | |
1996 | ||
5c24b2c4 | 1997 | static int parse_jobs_ini(char *file) |
7dd1389e | 1998 | { |
47d45203 | 1999 | unsigned int prioclass, prio, cpu, global; |
8c033f93 | 2000 | unsigned long long ull; |
7889f07b | 2001 | unsigned long ul1, ul2; |
f737299d | 2002 | struct thread_data *td; |
7dd1389e JA |
2003 | char *string, *name; |
2004 | fpos_t off; | |
2005 | FILE *f; | |
2006 | char *p; | |
2007 | ||
2008 | f = fopen(file, "r"); | |
2009 | if (!f) { | |
2010 | perror("fopen"); | |
4240cfa1 | 2011 | return 1; |
7dd1389e JA |
2012 | } |
2013 | ||
2014 | string = malloc(4096); | |
2015 | name = malloc(256); | |
2016 | ||
7dd1389e | 2017 | while ((p = fgets(string, 4096, f)) != NULL) { |
7292613b JA |
2018 | if (is_empty_or_comment(p)) |
2019 | continue; | |
7dd1389e JA |
2020 | if (sscanf(p, "[%s]", name) != 1) |
2021 | continue; | |
2022 | ||
47d45203 JA |
2023 | global = !strncmp(name, "global", 6); |
2024 | ||
7dd1389e JA |
2025 | name[strlen(name) - 1] = '\0'; |
2026 | ||
47d45203 | 2027 | td = get_new_job(global); |
4240cfa1 JA |
2028 | if (!td) |
2029 | break; | |
f737299d | 2030 | |
7dd1389e | 2031 | prioclass = 2; |
f737299d | 2032 | prio = 4; |
7dd1389e JA |
2033 | |
2034 | fgetpos(f, &off); | |
2035 | while ((p = fgets(string, 4096, f)) != NULL) { | |
7292613b | 2036 | if (is_empty_or_comment(p)) |
e6402082 JA |
2037 | continue; |
2038 | if (strstr(p, "[")) | |
7dd1389e | 2039 | break; |
f737299d | 2040 | if (!check_int(p, "rw", &td->ddir)) { |
7dd1389e JA |
2041 | fgetpos(f, &off); |
2042 | continue; | |
2043 | } | |
2044 | if (!check_int(p, "prio", &prio)) { | |
2045 | fgetpos(f, &off); | |
2046 | continue; | |
2047 | } | |
2048 | if (!check_int(p, "prioclass", &prioclass)) { | |
2049 | fgetpos(f, &off); | |
2050 | continue; | |
2051 | } | |
f737299d | 2052 | if (!check_int(p, "direct", &td->odirect)) { |
7dd1389e JA |
2053 | fgetpos(f, &off); |
2054 | continue; | |
2055 | } | |
f737299d | 2056 | if (!check_int(p, "rate", &td->rate)) { |
7dd1389e JA |
2057 | fgetpos(f, &off); |
2058 | continue; | |
2059 | } | |
4240cfa1 JA |
2060 | if (!check_int(p, "ratemin", &td->ratemin)) { |
2061 | fgetpos(f, &off); | |
2062 | continue; | |
2063 | } | |
2064 | if (!check_int(p, "ratecycle", &td->ratecycle)) { | |
2065 | fgetpos(f, &off); | |
2066 | continue; | |
2067 | } | |
e97712ed | 2068 | if (!check_int(p, "thinktime", &td->thinktime)) { |
7dd1389e JA |
2069 | fgetpos(f, &off); |
2070 | continue; | |
2071 | } | |
18e0b78c | 2072 | if (!check_int(p, "cpumask", &cpu)) { |
f737299d | 2073 | fill_cpu_mask(td->cpumask, cpu); |
18e0b78c JA |
2074 | fgetpos(f, &off); |
2075 | continue; | |
2076 | } | |
4240cfa1 JA |
2077 | if (!check_int(p, "fsync", &td->fsync_blocks)) { |
2078 | fgetpos(f, &off); | |
2079 | continue; | |
2080 | } | |
fc24389f JA |
2081 | if (!check_int(p, "startdelay", &td->start_delay)) { |
2082 | fgetpos(f, &off); | |
2083 | continue; | |
2084 | } | |
67903a2e JA |
2085 | if (!check_int(p, "timeout", &td->timeout)) { |
2086 | fgetpos(f, &off); | |
2087 | continue; | |
2088 | } | |
b95799ca JA |
2089 | if (!check_int(p, "invalidate",&td->invalidate_cache)) { |
2090 | fgetpos(f, &off); | |
2091 | continue; | |
2092 | } | |
43000118 JA |
2093 | if (!check_int(p, "aio_depth", &td->aio_depth)) { |
2094 | fgetpos(f, &off); | |
2095 | continue; | |
2096 | } | |
74b4b5fb JA |
2097 | if (!check_int(p, "sync", &td->sync_io)) { |
2098 | fgetpos(f, &off); | |
2099 | continue; | |
2100 | } | |
1d035750 JA |
2101 | if (!check_int(p, "bwavgtime", &td->bw_avg_time)) { |
2102 | fgetpos(f, &off); | |
2103 | continue; | |
2104 | } | |
fc097bfe JA |
2105 | if (!check_int(p, "create_serialize", &td->create_serialize)) { |
2106 | fgetpos(f, &off); | |
2107 | continue; | |
2108 | } | |
2109 | if (!check_int(p, "create_fsync", &td->create_fsync)) { | |
2110 | fgetpos(f, &off); | |
2111 | continue; | |
2112 | } | |
b6794fbf JA |
2113 | if (!check_int(p, "loops", &td->loops)) { |
2114 | fgetpos(f, &off); | |
2115 | continue; | |
2116 | } | |
e8457004 JA |
2117 | if (!check_int(p, "verify", &td->verify)) { |
2118 | fgetpos(f, &off); | |
2119 | continue; | |
2120 | } | |
7889f07b | 2121 | if (!check_range(p, "bsrange", &ul1, &ul2)) { |
7f27790b JA |
2122 | if (ul1 & 511) |
2123 | printf("bad min block size, must be a multiple of 512\n"); | |
2124 | else | |
2125 | td->min_bs = ul1; | |
2126 | if (ul2 & 511) | |
2127 | printf("bad max block size, must be a multiple of 512\n"); | |
2128 | else | |
2129 | td->max_bs = ul2; | |
7889f07b JA |
2130 | fgetpos(f, &off); |
2131 | continue; | |
2132 | } | |
8c033f93 | 2133 | if (!check_strcnv(p, "bs", &ull)) { |
7f27790b JA |
2134 | if (ull & 511) |
2135 | printf("bad block size, must be a multiple of 512\n"); | |
2136 | else | |
2137 | td->bs = ull; | |
8c033f93 JA |
2138 | fgetpos(f, &off); |
2139 | continue; | |
2140 | } | |
02983297 JA |
2141 | if (!check_strcnv(p, "size", &td->file_size)) { |
2142 | fgetpos(f, &off); | |
2143 | continue; | |
2144 | } | |
2145 | if (!check_strcnv(p, "offset", &td->file_offset)) { | |
2146 | fgetpos(f, &off); | |
2147 | continue; | |
2148 | } | |
99c6704f | 2149 | if (!check_str(p, "mem", "malloc")) { |
99c6704f JA |
2150 | td->mem_type = MEM_MALLOC; |
2151 | fgetpos(f, &off); | |
2152 | continue; | |
2153 | } | |
2154 | if (!check_str(p, "mem", "shm")) { | |
99c6704f JA |
2155 | td->mem_type = MEM_SHM; |
2156 | fgetpos(f, &off); | |
2157 | continue; | |
2158 | } | |
43000118 | 2159 | if (!strncmp(p, "sequential", 10)) { |
f737299d | 2160 | td->sequential = 1; |
7dd1389e JA |
2161 | fgetpos(f, &off); |
2162 | continue; | |
2163 | } | |
43000118 | 2164 | if (!strncmp(p, "random", 6)) { |
f737299d | 2165 | td->sequential = 0; |
7dd1389e JA |
2166 | fgetpos(f, &off); |
2167 | continue; | |
2168 | } | |
43000118 JA |
2169 | if (!strncmp(p, "aio", 3)) { |
2170 | td->use_aio = 1; | |
2171 | fgetpos(f, &off); | |
2172 | continue; | |
2173 | } | |
02983297 JA |
2174 | if (!strncmp(p, "create", 6)) { |
2175 | td->create_file = 1; | |
2176 | fgetpos(f, &off); | |
2177 | continue; | |
2178 | } | |
2179 | if (!strncmp(p, "overwrite", 9)) { | |
2180 | td->overwrite = 1; | |
2181 | fgetpos(f, &off); | |
2182 | continue; | |
2183 | } | |
98dd52d6 JA |
2184 | if (!strncmp(p, "exitall", 7)) { |
2185 | exitall_on_terminate = 1; | |
2186 | fgetpos(f, &off); | |
2187 | continue; | |
2188 | } | |
e6402082 | 2189 | printf("Client%d: bad option %s\n",td->thread_number,p); |
7dd1389e JA |
2190 | } |
2191 | fsetpos(f, &off); | |
2192 | ||
4240cfa1 JA |
2193 | if (add_job(td, name, prioclass, prio)) |
2194 | put_job(td); | |
7dd1389e JA |
2195 | } |
2196 | ||
2197 | free(string); | |
2198 | free(name); | |
fc7d63df | 2199 | fclose(f); |
4240cfa1 | 2200 | return 0; |
7dd1389e JA |
2201 | } |
2202 | ||
5c24b2c4 | 2203 | static int parse_options(int argc, char *argv[]) |
892199bd | 2204 | { |
01c4d8de | 2205 | int i; |
892199bd JA |
2206 | |
2207 | for (i = 1; i < argc; i++) { | |
2208 | char *parm = argv[i]; | |
2209 | ||
2210 | if (parm[0] != '-') | |
2211 | break; | |
2212 | ||
2213 | parm++; | |
2214 | switch (*parm) { | |
2215 | case 's': | |
2216 | parm++; | |
47d45203 | 2217 | def_thread.sequential = !!atoi(parm); |
892199bd JA |
2218 | break; |
2219 | case 'b': | |
2220 | parm++; | |
47d45203 JA |
2221 | def_thread.bs = atoi(parm); |
2222 | def_thread.bs <<= 10; | |
2223 | if (!def_thread.bs) { | |
4240cfa1 | 2224 | printf("bad block size\n"); |
47d45203 | 2225 | def_thread.bs = DEF_BS; |
4240cfa1 | 2226 | } |
892199bd JA |
2227 | break; |
2228 | case 't': | |
2229 | parm++; | |
47d45203 | 2230 | def_thread.timeout = atoi(parm); |
892199bd | 2231 | break; |
892199bd JA |
2232 | case 'r': |
2233 | parm++; | |
2234 | repeatable = !!atoi(parm); | |
2235 | break; | |
02bdd9ba JA |
2236 | case 'R': |
2237 | parm++; | |
2238 | rate_quit = !!atoi(parm); | |
2239 | break; | |
892199bd JA |
2240 | case 'o': |
2241 | parm++; | |
47d45203 | 2242 | def_thread.odirect = !!atoi(parm); |
892199bd | 2243 | break; |
7dd1389e JA |
2244 | case 'f': |
2245 | if (i + 1 >= argc) { | |
2246 | printf("-f needs file as arg\n"); | |
2247 | break; | |
2248 | } | |
2249 | ini_file = strdup(argv[i+1]); | |
a642279f | 2250 | i++; |
7dd1389e | 2251 | break; |
a0a9b35b JA |
2252 | case 'l': |
2253 | write_lat_log = 1; | |
2254 | break; | |
2255 | case 'w': | |
2256 | write_bw_log = 1; | |
2257 | break; | |
892199bd | 2258 | default: |
7dd1389e | 2259 | printf("bad option %s\n", argv[i]); |
892199bd JA |
2260 | break; |
2261 | } | |
2262 | } | |
2263 | ||
892199bd JA |
2264 | return i; |
2265 | } | |
2266 | ||
3f39453a | 2267 | static void print_thread_status(struct thread_data *td, int nr_running, |
8dbff0b1 | 2268 | int t_rate, int m_rate) |
3f39453a | 2269 | { |
3f39453a JA |
2270 | printf("Threads now running: %d", nr_running); |
2271 | if (m_rate || t_rate) | |
2272 | printf(", commitrate %d/%dKiB/sec", t_rate, m_rate); | |
8dbff0b1 JA |
2273 | printf(" : [%s]\r", run_str); |
2274 | fflush(stdout); | |
3f39453a JA |
2275 | } |
2276 | ||
40ef7f64 JA |
2277 | static void check_str_update(struct thread_data *td, int n, int t, int m) |
2278 | { | |
2279 | char c = run_str[td->thread_number - 1]; | |
2280 | ||
2281 | if (td->runstate == td->old_runstate) | |
2282 | return; | |
2283 | ||
2284 | switch (td->runstate) { | |
2285 | case TD_REAPED: | |
2286 | c = '_'; | |
2287 | break; | |
f4bb2243 JA |
2288 | case TD_EXITED: |
2289 | c = 'E'; | |
2290 | break; | |
40ef7f64 JA |
2291 | case TD_RUNNING: |
2292 | c = '+'; | |
2293 | break; | |
2294 | case TD_VERIFYING: | |
2295 | c = 'V'; | |
2296 | break; | |
2297 | case TD_CREATED: | |
2298 | c = 'C'; | |
2299 | break; | |
2300 | case TD_NOT_CREATED: | |
2301 | c = 'P'; | |
2302 | break; | |
2303 | default: | |
2304 | printf("state %d\n", td->runstate); | |
2305 | } | |
2306 | ||
2307 | run_str[td->thread_number - 1] = c; | |
2308 | print_thread_status(td, n, t, m); | |
2309 | td->old_runstate = td->runstate; | |
2310 | } | |
2311 | ||
213b446c | 2312 | static void reap_threads(int *nr_running, int *t_rate, int *m_rate) |
02bdd9ba | 2313 | { |
213b446c | 2314 | int i; |
02bdd9ba | 2315 | |
3f39453a JA |
2316 | /* |
2317 | * reap exited threads (TD_EXITED -> TD_REAPED) | |
2318 | */ | |
02bdd9ba JA |
2319 | for (i = 0; i < thread_number; i++) { |
2320 | struct thread_data *td = &threads[i]; | |
2321 | ||
40ef7f64 JA |
2322 | check_str_update(td, *nr_running, *t_rate, *m_rate); |
2323 | ||
213b446c JA |
2324 | if (td->runstate != TD_EXITED) |
2325 | continue; | |
02bdd9ba | 2326 | |
40ef7f64 | 2327 | td_set_runstate(td, TD_REAPED); |
213b446c JA |
2328 | waitpid(td->pid, NULL, 0); |
2329 | (*nr_running)--; | |
2330 | (*m_rate) -= td->ratemin; | |
2331 | (*t_rate) -= td->rate; | |
40ef7f64 | 2332 | check_str_update(td, *nr_running, *t_rate, *m_rate); |
e6402082 JA |
2333 | |
2334 | if (td->terminate) | |
2335 | continue; | |
213b446c | 2336 | } |
02bdd9ba JA |
2337 | } |
2338 | ||
fc24389f JA |
2339 | static void run_threads(char *argv[]) |
2340 | { | |
be33abe4 | 2341 | struct timeval genesis; |
fc24389f JA |
2342 | struct thread_data *td; |
2343 | unsigned long spent; | |
213b446c | 2344 | int i, todo, nr_running, m_rate, t_rate; |
fc24389f | 2345 | |
fc24389f JA |
2346 | printf("Starting %d threads\n", thread_number); |
2347 | fflush(stdout); | |
2348 | ||
7292613b JA |
2349 | signal(SIGINT, sig_handler); |
2350 | ||
fc24389f | 2351 | todo = thread_number; |
02bdd9ba | 2352 | nr_running = 0; |
213b446c | 2353 | m_rate = t_rate = 0; |
fc24389f | 2354 | |
8bdcfab5 JA |
2355 | for (i = 0; i < thread_number; i++) { |
2356 | td = &threads[i]; | |
2357 | ||
fc097bfe JA |
2358 | if (!td->create_serialize) |
2359 | continue; | |
2360 | ||
8bdcfab5 JA |
2361 | /* |
2362 | * do file setup here so it happens sequentially, | |
2363 | * we don't want X number of threads getting their | |
2364 | * client data interspersed on disk | |
2365 | */ | |
2366 | if (setup_file(td)) { | |
40ef7f64 | 2367 | td_set_runstate(td, TD_REAPED); |
8bdcfab5 JA |
2368 | todo--; |
2369 | } | |
2370 | } | |
2371 | ||
2372 | gettimeofday(&genesis, NULL); | |
2373 | ||
213b446c | 2374 | while (todo) { |
3f39453a JA |
2375 | /* |
2376 | * create threads (TD_NOT_CREATED -> TD_CREATED) | |
2377 | */ | |
fc24389f JA |
2378 | for (i = 0; i < thread_number; i++) { |
2379 | td = &threads[i]; | |
2380 | ||
02bdd9ba | 2381 | if (td->runstate != TD_NOT_CREATED) |
fc24389f JA |
2382 | continue; |
2383 | ||
213b446c JA |
2384 | /* |
2385 | * never got a chance to start, killed by other | |
2386 | * thread for some reason | |
2387 | */ | |
2388 | if (td->terminate) { | |
2389 | todo--; | |
2390 | continue; | |
2391 | } | |
2392 | ||
fc24389f | 2393 | if (td->start_delay) { |
be33abe4 | 2394 | spent = mtime_since_now(&genesis); |
fc24389f JA |
2395 | |
2396 | if (td->start_delay * 1000 > spent) | |
2397 | continue; | |
2398 | } | |
2399 | ||
40ef7f64 JA |
2400 | td_set_runstate(td, TD_CREATED); |
2401 | check_str_update(td, nr_running, t_rate, m_rate); | |
fc24389f JA |
2402 | sem_init(&startup_sem, 1, 1); |
2403 | todo--; | |
2404 | ||
2405 | if (fork()) | |
2406 | sem_wait(&startup_sem); | |
2407 | else { | |
2408 | thread_main(shm_id, i, argv); | |
2409 | exit(0); | |
2410 | } | |
2411 | } | |
2412 | ||
3f39453a | 2413 | /* |
e8457004 | 2414 | * start created threads (TD_CREATED -> TD_RUNNING) |
3f39453a | 2415 | */ |
fc24389f JA |
2416 | for (i = 0; i < thread_number; i++) { |
2417 | struct thread_data *td = &threads[i]; | |
2418 | ||
3f39453a JA |
2419 | if (td->runstate != TD_CREATED) |
2420 | continue; | |
2421 | ||
40ef7f64 | 2422 | td_set_runstate(td, TD_RUNNING); |
3f39453a JA |
2423 | nr_running++; |
2424 | m_rate += td->ratemin; | |
2425 | t_rate += td->rate; | |
40ef7f64 | 2426 | check_str_update(td, nr_running, t_rate, m_rate); |
3f39453a | 2427 | sem_post(&td->mutex); |
fc24389f JA |
2428 | } |
2429 | ||
e8457004 JA |
2430 | for (i = 0; i < thread_number; i++) { |
2431 | struct thread_data *td = &threads[i]; | |
2432 | ||
2433 | if (td->runstate == TD_RUNNING) | |
2434 | run_str[td->thread_number - 1] = '+'; | |
2435 | else if (td->runstate == TD_VERIFYING) | |
2436 | run_str[td->thread_number - 1] = 'V'; | |
2437 | else | |
2438 | continue; | |
2439 | ||
40ef7f64 | 2440 | check_str_update(td, nr_running, t_rate, m_rate); |
e8457004 JA |
2441 | } |
2442 | ||
213b446c | 2443 | reap_threads(&nr_running, &t_rate, &m_rate); |
02bdd9ba | 2444 | |
fc24389f JA |
2445 | if (todo) |
2446 | usleep(100000); | |
2447 | } | |
02bdd9ba JA |
2448 | |
2449 | while (nr_running) { | |
213b446c | 2450 | reap_threads(&nr_running, &t_rate, &m_rate); |
02bdd9ba JA |
2451 | usleep(10000); |
2452 | } | |
fc24389f JA |
2453 | } |
2454 | ||
8867c0a8 | 2455 | int setup_thread_area(void) |
892199bd | 2456 | { |
8867c0a8 JA |
2457 | /* |
2458 | * 1024 is too much on some machines, scale max_jobs if | |
2459 | * we get a failure that looks like too large a shm segment | |
2460 | */ | |
2461 | do { | |
2462 | int s = max_jobs * sizeof(struct thread_data); | |
18e0b78c | 2463 | |
8867c0a8 JA |
2464 | shm_id = shmget(0, s, IPC_CREAT | 0600); |
2465 | if (shm_id != -1) | |
2466 | break; | |
2467 | if (errno != EINVAL) { | |
2468 | perror("shmget"); | |
2469 | break; | |
2470 | } | |
2471 | ||
2472 | max_jobs >>= 1; | |
d4fac444 | 2473 | } while (max_jobs); |
8867c0a8 JA |
2474 | |
2475 | if (shm_id == -1) | |
892199bd | 2476 | return 1; |
892199bd JA |
2477 | |
2478 | threads = shmat(shm_id, NULL, 0); | |
8867c0a8 | 2479 | if (threads == (void *) -1) { |
86184d14 JA |
2480 | perror("shmat"); |
2481 | return 1; | |
2482 | } | |
892199bd JA |
2483 | |
2484 | atexit(free_shm); | |
8867c0a8 JA |
2485 | return 0; |
2486 | } | |
2487 | ||
2488 | int main(int argc, char *argv[]) | |
2489 | { | |
8c033f93 | 2490 | static unsigned long max_run[2], min_run[2]; |
57d753e3 | 2491 | static unsigned long max_bw[2], min_bw[2]; |
22334044 | 2492 | static unsigned long io_mb[2], agg[2]; |
8867c0a8 JA |
2493 | int i; |
2494 | ||
2495 | if (setup_thread_area()) | |
2496 | return 1; | |
892199bd | 2497 | |
47d45203 | 2498 | if (sched_getaffinity(getpid(), sizeof(cpu_set_t), &def_thread.cpumask) == -1) { |
4240cfa1 JA |
2499 | perror("sched_getaffinity"); |
2500 | return 1; | |
2501 | } | |
2502 | ||
47d45203 JA |
2503 | /* |
2504 | * fill globals | |
2505 | */ | |
2506 | def_thread.ddir = DDIR_READ; | |
2507 | def_thread.bs = DEF_BS; | |
7889f07b JA |
2508 | def_thread.min_bs = -1; |
2509 | def_thread.max_bs = -1; | |
02983297 | 2510 | def_thread.odirect = DEF_ODIRECT; |
47d45203 | 2511 | def_thread.ratecycle = DEF_RATE_CYCLE; |
02983297 | 2512 | def_thread.sequential = DEF_SEQUENTIAL; |
47d45203 | 2513 | def_thread.timeout = DEF_TIMEOUT; |
02983297 JA |
2514 | def_thread.create_file = DEF_CREATE; |
2515 | def_thread.overwrite = DEF_OVERWRITE; | |
b95799ca | 2516 | def_thread.invalidate_cache = DEF_INVALIDATE; |
99c6704f JA |
2517 | def_thread.sync_io = DEF_SYNCIO; |
2518 | def_thread.mem_type = MEM_MALLOC; | |
1d035750 | 2519 | def_thread.bw_avg_time = DEF_BWAVGTIME; |
fc097bfe JA |
2520 | def_thread.create_serialize = DEF_CREATE_SER; |
2521 | def_thread.create_fsync = DEF_CREATE_FSYNC; | |
b6794fbf | 2522 | def_thread.loops = DEF_LOOPS; |
cfc702bd | 2523 | def_thread.verify = DEF_VERIFY; |
47d45203 | 2524 | |
892199bd | 2525 | i = parse_options(argc, argv); |
7dd1389e | 2526 | |
5961d92c JA |
2527 | if (!ini_file) { |
2528 | printf("Need job file\n"); | |
2529 | return 1; | |
2530 | } | |
2531 | ||
2532 | if (parse_jobs_ini(ini_file)) | |
2533 | return 1; | |
7dd1389e | 2534 | |
4240cfa1 JA |
2535 | if (!thread_number) { |
2536 | printf("Nothing to do\n"); | |
2537 | return 1; | |
2538 | } | |
7dd1389e | 2539 | |
fc24389f | 2540 | run_threads(argv); |
892199bd | 2541 | |
892199bd JA |
2542 | min_bw[0] = min_run[0] = ~0UL; |
2543 | min_bw[1] = min_run[1] = ~0UL; | |
22334044 JA |
2544 | io_mb[0] = io_mb[1] = 0; |
2545 | agg[0] = agg[1] = 0; | |
892199bd JA |
2546 | for (i = 0; i < thread_number; i++) { |
2547 | struct thread_data *td = &threads[i]; | |
2548 | unsigned long bw = 0; | |
2549 | ||
22334044 JA |
2550 | if (!td->error) { |
2551 | if (td->runtime < min_run[td->ddir]) | |
2552 | min_run[td->ddir] = td->runtime; | |
2553 | if (td->runtime > max_run[td->ddir]) | |
2554 | max_run[td->ddir] = td->runtime; | |
892199bd | 2555 | |
892199bd | 2556 | if (td->runtime) |
49d2caab | 2557 | bw = td->io_bytes / td->runtime; |
22334044 JA |
2558 | if (bw < min_bw[td->ddir]) |
2559 | min_bw[td->ddir] = bw; | |
2560 | if (bw > max_bw[td->ddir]) | |
2561 | max_bw[td->ddir] = bw; | |
2562 | ||
49d2caab | 2563 | io_mb[td->ddir] += td->io_bytes >> 20; |
892199bd JA |
2564 | } |
2565 | ||
2566 | show_thread_status(td); | |
2567 | } | |
22334044 JA |
2568 | |
2569 | if (max_run[0]) | |
49d2caab | 2570 | agg[0] = (io_mb[0] * 1024 * 1000) / max_run[0]; |
22334044 | 2571 | if (max_run[1]) |
49d2caab | 2572 | agg[1] = (io_mb[1] * 1024 * 1000) / max_run[1]; |
22334044 | 2573 | |
57d753e3 | 2574 | printf("\nRun status:\n"); |
892199bd | 2575 | if (max_run[DDIR_READ]) |
22334044 | 2576 | 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 | 2577 | if (max_run[DDIR_WRITE]) |
22334044 | 2578 | 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 | 2579 | |
892199bd JA |
2580 | return 0; |
2581 | } |