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) |
2a81240d | 144 | #define DEF_STONEWALL (0) |
4240cfa1 JA |
145 | |
146 | #define ALIGN(buf) (char *) (((unsigned long) (buf) + MASK) & ~(MASK)) | |
892199bd | 147 | |
4240cfa1 | 148 | static int repeatable = DEF_RAND_REPEAT; |
02bdd9ba | 149 | static int rate_quit = 1; |
a0a9b35b JA |
150 | static int write_lat_log; |
151 | static int write_bw_log; | |
98dd52d6 | 152 | static int exitall_on_terminate; |
892199bd | 153 | |
892199bd | 154 | static int thread_number; |
7dd1389e | 155 | static char *ini_file; |
892199bd | 156 | |
8867c0a8 JA |
157 | static int max_jobs = MAX_JOBS; |
158 | ||
8dbff0b1 JA |
159 | static char run_str[MAX_JOBS + 1]; |
160 | ||
892199bd JA |
161 | static int shm_id; |
162 | ||
4240cfa1 JA |
163 | enum { |
164 | DDIR_READ = 0, | |
165 | DDIR_WRITE, | |
166 | }; | |
892199bd | 167 | |
02bdd9ba JA |
168 | /* |
169 | * thread life cycle | |
170 | */ | |
171 | enum { | |
172 | TD_NOT_CREATED = 0, | |
173 | TD_CREATED, | |
e8457004 JA |
174 | TD_RUNNING, |
175 | TD_VERIFYING, | |
02bdd9ba JA |
176 | TD_EXITED, |
177 | TD_REAPED, | |
178 | }; | |
179 | ||
99c6704f JA |
180 | enum { |
181 | MEM_MALLOC, | |
182 | MEM_SHM, | |
183 | }; | |
184 | ||
2c83567e JA |
185 | /* |
186 | * The io unit | |
187 | */ | |
188 | struct io_u { | |
189 | struct iocb iocb; | |
57d753e3 | 190 | struct timeval start_time; |
2c83567e JA |
191 | struct timeval issue_time; |
192 | ||
2c83567e JA |
193 | char *buf; |
194 | unsigned int buflen; | |
4ac89145 | 195 | unsigned long long offset; |
2c83567e JA |
196 | |
197 | struct list_head list; | |
198 | }; | |
199 | ||
57d753e3 JA |
200 | struct io_stat { |
201 | unsigned long val; | |
202 | unsigned long val_sq; | |
203 | unsigned long max_val; | |
204 | unsigned long min_val; | |
205 | unsigned long samples; | |
206 | }; | |
207 | ||
a0a9b35b JA |
208 | struct io_sample { |
209 | unsigned long time; | |
210 | unsigned long val; | |
211 | }; | |
212 | ||
213 | struct io_log { | |
214 | unsigned long nr_samples; | |
215 | unsigned long max_samples; | |
216 | struct io_sample *log; | |
217 | }; | |
218 | ||
645785e5 JA |
219 | struct io_piece { |
220 | struct list_head list; | |
221 | unsigned long long offset; | |
222 | unsigned int len; | |
223 | }; | |
224 | ||
e8457004 JA |
225 | #define FIO_HDR_MAGIC 0xf00baaef |
226 | ||
227 | struct verify_header { | |
228 | unsigned int fio_magic; | |
229 | unsigned int len; | |
230 | char md5_digest[MD5_HASH_WORDS * 4]; | |
231 | }; | |
232 | ||
02983297 | 233 | #define td_read(td) ((td)->ddir == DDIR_READ) |
62bb4285 JA |
234 | #define td_write(td) ((td)->ddir == DDIR_WRITE) |
235 | #define should_fsync(td) (td_write(td) && !(td)->odirect) | |
02983297 | 236 | |
49d2caab JA |
237 | #define BLOCKS_PER_MAP (8 * sizeof(long)) |
238 | #define RAND_MAP_IDX(sector) ((sector) / BLOCKS_PER_MAP) | |
239 | #define RAND_MAP_BIT(sector) ((sector) & (BLOCKS_PER_MAP - 1)) | |
240 | ||
892199bd JA |
241 | struct thread_data { |
242 | char file_name[256]; | |
243 | int thread_number; | |
244 | int error; | |
245 | int fd; | |
892199bd | 246 | pid_t pid; |
6b71c826 | 247 | char *orig_buffer; |
4240cfa1 | 248 | volatile int terminate; |
02bdd9ba | 249 | volatile int runstate; |
40ef7f64 | 250 | volatile int old_runstate; |
f737299d JA |
251 | unsigned int ddir; |
252 | unsigned int ioprio; | |
253 | unsigned int sequential; | |
254 | unsigned int bs; | |
8c033f93 JA |
255 | unsigned int min_bs; |
256 | unsigned int max_bs; | |
f737299d | 257 | unsigned int odirect; |
e97712ed | 258 | unsigned int thinktime; |
4240cfa1 | 259 | unsigned int fsync_blocks; |
fc24389f | 260 | unsigned int start_delay; |
47d45203 | 261 | unsigned int timeout; |
43000118 | 262 | unsigned int use_aio; |
02983297 JA |
263 | unsigned int create_file; |
264 | unsigned int overwrite; | |
b95799ca | 265 | unsigned int invalidate_cache; |
1d035750 | 266 | unsigned int bw_avg_time; |
fc097bfe JA |
267 | unsigned int create_serialize; |
268 | unsigned int create_fsync; | |
b6794fbf | 269 | unsigned int loops; |
02983297 JA |
270 | unsigned long long file_size; |
271 | unsigned long long file_offset; | |
74b4b5fb | 272 | unsigned int sync_io; |
99c6704f | 273 | unsigned int mem_type; |
cfc702bd | 274 | unsigned int verify; |
2a81240d | 275 | unsigned int stonewall; |
18e0b78c | 276 | cpu_set_t cpumask; |
86184d14 | 277 | |
7889f07b | 278 | struct drand48_data bsrange_state; |
e8457004 | 279 | struct drand48_data verify_state; |
7889f07b | 280 | |
99c6704f JA |
281 | int shm_id; |
282 | ||
63a09e51 JA |
283 | off_t cur_off; |
284 | ||
254605cd | 285 | io_context_t aio_ctx; |
43000118 | 286 | unsigned int aio_depth; |
43000118 | 287 | struct io_event *aio_events; |
2c83567e JA |
288 | |
289 | unsigned int cur_depth; | |
290 | struct list_head io_u_freelist; | |
291 | struct list_head io_u_busylist; | |
43000118 | 292 | |
7dd1389e | 293 | unsigned int rate; |
4240cfa1 JA |
294 | unsigned int ratemin; |
295 | unsigned int ratecycle; | |
296 | unsigned long rate_usec_cycle; | |
297 | long rate_pending_usleep; | |
49d2caab | 298 | unsigned long rate_bytes; |
4240cfa1 | 299 | struct timeval lastrate; |
86184d14 | 300 | |
892199bd | 301 | unsigned long runtime; /* sec */ |
49d2caab | 302 | unsigned long long io_size; |
e2ba35d9 | 303 | |
4240cfa1 | 304 | unsigned long io_blocks; |
49d2caab JA |
305 | unsigned long io_bytes; |
306 | unsigned long this_io_bytes; | |
307 | unsigned long last_bytes; | |
892199bd | 308 | sem_t mutex; |
49d2caab | 309 | |
892199bd | 310 | struct drand48_data random_state; |
49d2caab JA |
311 | unsigned long *file_map; |
312 | unsigned int num_maps; | |
892199bd JA |
313 | |
314 | /* | |
e128065d | 315 | * bandwidth and latency stats |
892199bd | 316 | */ |
57d753e3 JA |
317 | struct io_stat clat_stat; /* completion latency */ |
318 | struct io_stat slat_stat; /* submission latency */ | |
319 | ||
320 | struct io_stat bw_stat; /* bandwidth stats */ | |
49d2caab | 321 | unsigned long stat_io_bytes; |
fd1ae4c9 | 322 | struct timeval stat_sample_time; |
4240cfa1 | 323 | |
a0a9b35b JA |
324 | struct io_log *lat_log; |
325 | struct io_log *bw_log; | |
326 | ||
4240cfa1 | 327 | struct timeval start; |
92b229ed JA |
328 | struct rusage ru_start; |
329 | struct rusage ru_end; | |
645785e5 JA |
330 | |
331 | struct list_head io_hist_list; | |
892199bd JA |
332 | }; |
333 | ||
334 | static struct thread_data *threads; | |
47d45203 | 335 | static struct thread_data def_thread; |
892199bd JA |
336 | |
337 | static sem_t startup_sem; | |
338 | ||
5c24b2c4 | 339 | static void sig_handler(int sig) |
892199bd JA |
340 | { |
341 | int i; | |
342 | ||
213b446c JA |
343 | for (i = 0; i < thread_number; i++) { |
344 | struct thread_data *td = &threads[i]; | |
345 | ||
346 | td->terminate = 1; | |
347 | td->start_delay = 0; | |
348 | } | |
02bdd9ba JA |
349 | } |
350 | ||
e8457004 | 351 | static int init_random_state(struct thread_data *td) |
946d8870 | 352 | { |
e8457004 | 353 | unsigned long seed; |
49d2caab | 354 | int fd, num_maps, blocks; |
946d8870 | 355 | |
e8457004 JA |
356 | fd = open("/dev/random", O_RDONLY); |
357 | if (fd == -1) { | |
358 | td->error = errno; | |
359 | return 1; | |
946d8870 JA |
360 | } |
361 | ||
e8457004 JA |
362 | if (read(fd, &seed, sizeof(seed)) < (int) sizeof(seed)) { |
363 | td->error = EIO; | |
364 | close(fd); | |
365 | return 1; | |
946d8870 JA |
366 | } |
367 | ||
e8457004 | 368 | close(fd); |
7889f07b JA |
369 | |
370 | srand48_r(seed, &td->bsrange_state); | |
e8457004 | 371 | srand48_r(seed, &td->verify_state); |
892199bd JA |
372 | |
373 | if (td->sequential) | |
374 | return 0; | |
375 | ||
e8457004 JA |
376 | if (repeatable) |
377 | seed = DEF_RANDSEED; | |
892199bd | 378 | |
49d2caab JA |
379 | blocks = (td->io_size + td->min_bs - 1) / td->min_bs; |
380 | num_maps = blocks / BLOCKS_PER_MAP; | |
381 | td->file_map = malloc(num_maps * sizeof(long)); | |
382 | td->num_maps = num_maps; | |
383 | memset(td->file_map, 0, num_maps * sizeof(long)); | |
384 | ||
892199bd JA |
385 | srand48_r(seed, &td->random_state); |
386 | return 0; | |
387 | } | |
388 | ||
5c24b2c4 | 389 | static unsigned long utime_since(struct timeval *s, struct timeval *e) |
892199bd JA |
390 | { |
391 | double sec, usec; | |
392 | ||
393 | sec = e->tv_sec - s->tv_sec; | |
394 | usec = e->tv_usec - s->tv_usec; | |
395 | if (sec > 0 && usec < 0) { | |
396 | sec--; | |
397 | usec += 1000000; | |
398 | } | |
399 | ||
400 | sec *= (double) 1000000; | |
401 | ||
402 | return sec + usec; | |
403 | } | |
404 | ||
5c24b2c4 | 405 | static unsigned long mtime_since(struct timeval *s, struct timeval *e) |
892199bd JA |
406 | { |
407 | double sec, usec; | |
408 | ||
409 | sec = e->tv_sec - s->tv_sec; | |
410 | usec = e->tv_usec - s->tv_usec; | |
411 | if (sec > 0 && usec < 0) { | |
412 | sec--; | |
413 | usec += 1000000; | |
414 | } | |
415 | ||
416 | sec *= (double) 1000; | |
417 | usec /= (double) 1000; | |
418 | ||
419 | return sec + usec; | |
420 | } | |
421 | ||
be33abe4 JA |
422 | static unsigned long mtime_since_now(struct timeval *s) |
423 | { | |
424 | struct timeval t; | |
425 | ||
426 | gettimeofday(&t, NULL); | |
427 | return mtime_since(s, &t); | |
428 | } | |
429 | ||
98168d55 JA |
430 | static inline unsigned long msec_now(struct timeval *s) |
431 | { | |
432 | return s->tv_sec * 1000 + s->tv_usec / 1000; | |
433 | } | |
434 | ||
49d2caab JA |
435 | static int random_map_free(struct thread_data *td, unsigned long long block) |
436 | { | |
437 | unsigned int idx = RAND_MAP_IDX(block); | |
438 | unsigned int bit = RAND_MAP_BIT(block); | |
439 | ||
440 | return (td->file_map[idx] & (1UL << bit)) == 0; | |
441 | } | |
442 | ||
443 | static int get_next_free_block(struct thread_data *td, unsigned long long *b) | |
892199bd | 444 | { |
49d2caab JA |
445 | int i; |
446 | ||
447 | *b = 0; | |
448 | i = 0; | |
449 | while ((*b) * td->min_bs < td->io_size) { | |
450 | if (td->file_map[i] != -1UL) { | |
451 | *b += ffz(td->file_map[i]); | |
452 | return 0; | |
453 | } | |
454 | ||
455 | *b += BLOCKS_PER_MAP; | |
456 | i++; | |
457 | } | |
458 | ||
459 | return 1; | |
460 | } | |
461 | ||
462 | static void mark_random_map(struct thread_data *td, struct io_u *io_u) | |
463 | { | |
464 | unsigned long block = io_u->offset / td->min_bs; | |
465 | unsigned int blocks = 0; | |
466 | ||
467 | while (blocks < (io_u->buflen / td->min_bs)) { | |
468 | int idx, bit; | |
469 | ||
470 | if (!random_map_free(td, block)) | |
471 | break; | |
472 | ||
473 | idx = RAND_MAP_IDX(block); | |
474 | bit = RAND_MAP_BIT(block); | |
475 | ||
476 | assert(idx < td->num_maps); | |
477 | ||
478 | td->file_map[idx] |= (1UL << bit); | |
479 | block++; | |
480 | blocks++; | |
481 | } | |
482 | ||
483 | if ((blocks * td->min_bs) < io_u->buflen) | |
484 | io_u->buflen = blocks * td->min_bs; | |
485 | } | |
486 | ||
487 | static int get_next_offset(struct thread_data *td, unsigned long long *offset) | |
488 | { | |
489 | unsigned long long b; | |
d32d9284 | 490 | long r; |
892199bd JA |
491 | |
492 | if (!td->sequential) { | |
49d2caab JA |
493 | unsigned long max_blocks = td->io_size / td->min_bs; |
494 | int loops = 50; | |
495 | ||
496 | do { | |
497 | lrand48_r(&td->random_state, &r); | |
498 | b = ((max_blocks - 1) * r / (RAND_MAX+1.0)); | |
499 | loops--; | |
500 | } while (!random_map_free(td, b) && loops); | |
501 | ||
502 | if (!loops) { | |
503 | if (get_next_free_block(td, &b)) | |
504 | return 1; | |
505 | } | |
7889f07b | 506 | } else |
49d2caab | 507 | b = td->last_bytes / td->min_bs; |
7889f07b | 508 | |
49d2caab JA |
509 | *offset = (b * td->min_bs) + td->file_offset; |
510 | return 0; | |
7889f07b JA |
511 | } |
512 | ||
513 | static unsigned int get_next_buflen(struct thread_data *td) | |
514 | { | |
515 | unsigned int buflen; | |
d32d9284 | 516 | long r; |
7889f07b JA |
517 | |
518 | if (td->min_bs == td->max_bs) | |
519 | buflen = td->min_bs; | |
520 | else { | |
d32d9284 | 521 | lrand48_r(&td->bsrange_state, &r); |
7889f07b JA |
522 | buflen = (1 + (double) (td->max_bs - 1) * r / (RAND_MAX + 1.0)); |
523 | buflen = (buflen + td->min_bs - 1) & ~(td->min_bs - 1); | |
892199bd JA |
524 | } |
525 | ||
49d2caab JA |
526 | if (buflen > td->io_size - td->this_io_bytes) |
527 | buflen = td->io_size - td->this_io_bytes; | |
7889f07b | 528 | |
7889f07b | 529 | return buflen; |
892199bd JA |
530 | } |
531 | ||
57d753e3 JA |
532 | static inline void add_stat_sample(struct thread_data *td, struct io_stat *is, |
533 | unsigned long val) | |
892199bd | 534 | { |
57d753e3 JA |
535 | if (val > is->max_val) |
536 | is->max_val = val; | |
537 | if (val < is->min_val) | |
538 | is->min_val = val; | |
539 | ||
540 | is->val += val; | |
541 | is->val_sq += val * val; | |
542 | is->samples++; | |
543 | } | |
fd1ae4c9 | 544 | |
a0a9b35b JA |
545 | static void add_log_sample(struct thread_data *td, struct io_log *log, |
546 | unsigned long val) | |
547 | { | |
548 | if (log->nr_samples == log->max_samples) { | |
549 | int new_size = sizeof(struct io_sample) * log->max_samples * 2; | |
550 | ||
551 | log->log = realloc(log->log, new_size); | |
552 | log->max_samples <<= 1; | |
553 | } | |
554 | ||
555 | log->log[log->nr_samples].val = val; | |
556 | log->log[log->nr_samples].time = mtime_since_now(&td->start); | |
557 | log->nr_samples++; | |
558 | } | |
559 | ||
57d753e3 JA |
560 | static void add_clat_sample(struct thread_data *td, unsigned long msec) |
561 | { | |
562 | add_stat_sample(td, &td->clat_stat, msec); | |
a0a9b35b JA |
563 | |
564 | if (td->lat_log) | |
565 | add_log_sample(td, td->lat_log, msec); | |
57d753e3 | 566 | } |
fd1ae4c9 | 567 | |
57d753e3 JA |
568 | static void add_slat_sample(struct thread_data *td, unsigned long msec) |
569 | { | |
570 | add_stat_sample(td, &td->slat_stat, msec); | |
571 | } | |
fd1ae4c9 | 572 | |
645785e5 | 573 | static void add_bw_sample(struct thread_data *td) |
57d753e3 JA |
574 | { |
575 | unsigned long spent = mtime_since_now(&td->stat_sample_time); | |
576 | unsigned long rate; | |
577 | ||
1d035750 | 578 | if (spent < td->bw_avg_time) |
57d753e3 JA |
579 | return; |
580 | ||
49d2caab | 581 | rate = (td->this_io_bytes - td->stat_io_bytes) / spent; |
57d753e3 JA |
582 | add_stat_sample(td, &td->bw_stat, rate); |
583 | ||
a0a9b35b JA |
584 | if (td->bw_log) |
585 | add_log_sample(td, td->bw_log, rate); | |
586 | ||
57d753e3 | 587 | gettimeofday(&td->stat_sample_time, NULL); |
49d2caab | 588 | td->stat_io_bytes = td->this_io_bytes; |
892199bd JA |
589 | } |
590 | ||
5c24b2c4 | 591 | static void usec_sleep(int usec) |
892199bd | 592 | { |
86184d14 JA |
593 | struct timespec req = { .tv_sec = 0, .tv_nsec = usec * 1000 }; |
594 | struct timespec rem; | |
892199bd JA |
595 | |
596 | do { | |
86184d14 JA |
597 | rem.tv_sec = rem.tv_nsec = 0; |
598 | nanosleep(&req, &rem); | |
599 | if (!rem.tv_nsec) | |
892199bd | 600 | break; |
86184d14 JA |
601 | |
602 | req.tv_nsec = rem.tv_nsec; | |
892199bd JA |
603 | } while (1); |
604 | } | |
605 | ||
9e850933 JA |
606 | static void rate_throttle(struct thread_data *td, unsigned long time_spent, |
607 | unsigned int bytes) | |
86184d14 | 608 | { |
9e850933 JA |
609 | unsigned long usec_cycle; |
610 | ||
4240cfa1 JA |
611 | if (!td->rate) |
612 | return; | |
613 | ||
9e850933 JA |
614 | usec_cycle = td->rate_usec_cycle * (bytes / td->min_bs); |
615 | ||
616 | if (time_spent < usec_cycle) { | |
617 | unsigned long s = usec_cycle - time_spent; | |
86184d14 JA |
618 | |
619 | td->rate_pending_usleep += s; | |
fad86e6a | 620 | if (td->rate_pending_usleep >= 100000) { |
86184d14 JA |
621 | usec_sleep(td->rate_pending_usleep); |
622 | td->rate_pending_usleep = 0; | |
623 | } | |
4240cfa1 | 624 | } else { |
9e850933 | 625 | long overtime = time_spent - usec_cycle; |
42b2b9fe | 626 | |
4240cfa1 JA |
627 | td->rate_pending_usleep -= overtime; |
628 | } | |
629 | } | |
630 | ||
5c24b2c4 | 631 | static int check_min_rate(struct thread_data *td, struct timeval *now) |
4240cfa1 | 632 | { |
7607bc6b | 633 | unsigned long spent; |
4240cfa1 JA |
634 | unsigned long rate; |
635 | ||
636 | /* | |
637 | * allow a 2 second settle period in the beginning | |
638 | */ | |
7607bc6b | 639 | if (mtime_since(&td->start, now) < 2000) |
4240cfa1 JA |
640 | return 0; |
641 | ||
642 | /* | |
643 | * if rate blocks is set, sample is running | |
644 | */ | |
49d2caab | 645 | if (td->rate_bytes) { |
4240cfa1 JA |
646 | spent = mtime_since(&td->lastrate, now); |
647 | if (spent < td->ratecycle) | |
648 | return 0; | |
649 | ||
49d2caab | 650 | rate = (td->this_io_bytes - td->rate_bytes) / spent; |
4240cfa1 JA |
651 | if (rate < td->ratemin) { |
652 | printf("Client%d: min rate %d not met, got %ldKiB/sec\n", td->thread_number, td->ratemin, rate); | |
02bdd9ba | 653 | if (rate_quit) |
e6402082 | 654 | sig_handler(0); |
4240cfa1 JA |
655 | return 1; |
656 | } | |
86184d14 | 657 | } |
4240cfa1 | 658 | |
49d2caab | 659 | td->rate_bytes = td->this_io_bytes; |
4240cfa1 JA |
660 | memcpy(&td->lastrate, now, sizeof(*now)); |
661 | return 0; | |
86184d14 JA |
662 | } |
663 | ||
67903a2e JA |
664 | static inline int runtime_exceeded(struct thread_data *td, struct timeval *t) |
665 | { | |
01f79976 JA |
666 | if (!td->timeout) |
667 | return 0; | |
67903a2e JA |
668 | if (mtime_since(&td->start, t) >= td->timeout * 1000) |
669 | return 1; | |
670 | ||
671 | return 0; | |
672 | } | |
673 | ||
e8457004 JA |
674 | static void fill_random_bytes(struct thread_data *td, |
675 | unsigned char *p, unsigned int len) | |
676 | { | |
645785e5 | 677 | unsigned int todo; |
40ef7f64 | 678 | double r; |
e8457004 JA |
679 | |
680 | while (len) { | |
40ef7f64 | 681 | drand48_r(&td->verify_state, &r); |
e8457004 | 682 | |
40ef7f64 JA |
683 | /* |
684 | * lrand48_r seems to be broken and only fill the bottom | |
685 | * 32-bits, even on 64-bit archs with 64-bit longs | |
686 | */ | |
687 | todo = sizeof(r); | |
e8457004 JA |
688 | if (todo > len) |
689 | todo = len; | |
690 | ||
691 | memcpy(p, &r, todo); | |
692 | ||
693 | len -= todo; | |
694 | p += todo; | |
695 | } | |
696 | } | |
697 | ||
9d0c6ca2 JA |
698 | static void hexdump(void *buffer, int len) |
699 | { | |
700 | unsigned char *p = buffer; | |
701 | int i; | |
702 | ||
703 | for (i = 0; i < len; i++) | |
704 | printf("%02x", p[i]); | |
705 | printf("\n"); | |
706 | } | |
707 | ||
645785e5 | 708 | static int verify_io_u(struct io_u *io_u) |
e8457004 JA |
709 | { |
710 | struct verify_header *hdr = (struct verify_header *) io_u->buf; | |
711 | unsigned char *p = (unsigned char *) io_u->buf; | |
712 | struct md5_ctx md5_ctx; | |
9d0c6ca2 | 713 | int ret; |
e8457004 | 714 | |
840b216f | 715 | if (hdr->fio_magic != FIO_HDR_MAGIC) |
e8457004 JA |
716 | return 1; |
717 | ||
718 | memset(&md5_ctx, 0, sizeof(md5_ctx)); | |
719 | p += sizeof(*hdr); | |
720 | md5_update(&md5_ctx, p, hdr->len - sizeof(*hdr)); | |
721 | ||
9d0c6ca2 JA |
722 | ret = memcmp(hdr->md5_digest, md5_ctx.hash, sizeof(md5_ctx.hash)); |
723 | if (ret) { | |
724 | hexdump(hdr->md5_digest, sizeof(hdr->md5_digest)); | |
725 | hexdump(md5_ctx.hash, sizeof(md5_ctx.hash)); | |
726 | } | |
727 | ||
728 | return ret; | |
e8457004 JA |
729 | } |
730 | ||
cfc702bd JA |
731 | /* |
732 | * fill body of io_u->buf with random data and add a header with the | |
733 | * (eg) sha1sum of that data. | |
734 | */ | |
e8457004 | 735 | static void populate_io_u(struct thread_data *td, struct io_u *io_u) |
cfc702bd | 736 | { |
e8457004 JA |
737 | struct md5_ctx md5_ctx; |
738 | struct verify_header hdr; | |
739 | unsigned char *p = (unsigned char *) io_u->buf; | |
740 | ||
741 | hdr.fio_magic = FIO_HDR_MAGIC; | |
742 | hdr.len = io_u->buflen; | |
743 | p += sizeof(hdr); | |
744 | fill_random_bytes(td, p, io_u->buflen - sizeof(hdr)); | |
745 | ||
746 | memset(&md5_ctx, 0, sizeof(md5_ctx)); | |
747 | md5_update(&md5_ctx, p, io_u->buflen - sizeof(hdr)); | |
748 | memcpy(hdr.md5_digest, md5_ctx.hash, sizeof(md5_ctx.hash)); | |
749 | memcpy(io_u->buf, &hdr, sizeof(hdr)); | |
cfc702bd JA |
750 | } |
751 | ||
2c83567e JA |
752 | static void put_io_u(struct thread_data *td, struct io_u *io_u) |
753 | { | |
754 | list_del(&io_u->list); | |
755 | list_add(&io_u->list, &td->io_u_freelist); | |
756 | td->cur_depth--; | |
757 | } | |
758 | ||
f0f3411b JA |
759 | #define queue_full(td) (list_empty(&(td)->io_u_freelist)) |
760 | ||
e8457004 JA |
761 | static struct io_u *__get_io_u(struct thread_data *td) |
762 | { | |
763 | struct io_u *io_u; | |
764 | ||
f0f3411b | 765 | if (queue_full(td)) |
e8457004 JA |
766 | return NULL; |
767 | ||
768 | io_u = list_entry(td->io_u_freelist.next, struct io_u, list); | |
769 | list_del(&io_u->list); | |
770 | list_add(&io_u->list, &td->io_u_busylist); | |
f4bb2243 | 771 | td->cur_depth++; |
e8457004 JA |
772 | return io_u; |
773 | } | |
774 | ||
2c83567e JA |
775 | static struct io_u *get_io_u(struct thread_data *td) |
776 | { | |
777 | struct io_u *io_u; | |
778 | ||
e8457004 JA |
779 | io_u = __get_io_u(td); |
780 | if (!io_u) | |
2c83567e JA |
781 | return NULL; |
782 | ||
406e7b7c JA |
783 | if (get_next_offset(td, &io_u->offset)) { |
784 | put_io_u(td, io_u); | |
49d2caab | 785 | return NULL; |
406e7b7c | 786 | } |
49d2caab | 787 | |
b2a369fb JA |
788 | io_u->buflen = get_next_buflen(td); |
789 | if (!io_u->buflen) { | |
e8457004 | 790 | put_io_u(td, io_u); |
7889f07b | 791 | return NULL; |
e8457004 | 792 | } |
2c83567e | 793 | |
49d2caab JA |
794 | if (io_u->buflen + io_u->offset > td->io_size) |
795 | io_u->buflen = td->io_size - io_u->offset; | |
796 | ||
797 | if (!td->sequential) | |
798 | mark_random_map(td, io_u); | |
799 | ||
800 | td->last_bytes += io_u->buflen; | |
801 | ||
9d0c6ca2 | 802 | if (td->verify) |
e8457004 | 803 | populate_io_u(td, io_u); |
cfc702bd | 804 | |
2c83567e JA |
805 | if (td->use_aio) { |
806 | if (td_read(td)) | |
807 | io_prep_pread(&io_u->iocb, td->fd, io_u->buf, io_u->buflen, io_u->offset); | |
808 | else | |
809 | io_prep_pwrite(&io_u->iocb, td->fd, io_u->buf, io_u->buflen, io_u->offset); | |
810 | } | |
811 | ||
57d753e3 | 812 | gettimeofday(&io_u->start_time, NULL); |
2c83567e JA |
813 | return io_u; |
814 | } | |
815 | ||
40ef7f64 JA |
816 | static inline void td_set_runstate(struct thread_data *td, int runstate) |
817 | { | |
818 | td->old_runstate = td->runstate; | |
819 | td->runstate = runstate; | |
820 | } | |
821 | ||
645785e5 JA |
822 | static int get_next_verify(struct thread_data *td, |
823 | unsigned long long *offset, unsigned int *len) | |
824 | { | |
825 | struct io_piece *ipo; | |
826 | ||
827 | if (list_empty(&td->io_hist_list)) | |
828 | return 1; | |
829 | ||
830 | ipo = list_entry(td->io_hist_list.next, struct io_piece, list); | |
831 | list_del(&ipo->list); | |
832 | ||
833 | *offset = ipo->offset; | |
834 | *len = ipo->len; | |
835 | free(ipo); | |
836 | return 0; | |
837 | } | |
838 | ||
9d0c6ca2 JA |
839 | static void prune_io_piece_log(struct thread_data *td) |
840 | { | |
841 | struct io_piece *ipo; | |
842 | ||
843 | while (!list_empty(&td->io_hist_list)) { | |
844 | ipo = list_entry(td->io_hist_list.next, struct io_piece, list); | |
845 | ||
846 | list_del(&ipo->list); | |
847 | free(ipo); | |
848 | } | |
849 | } | |
850 | ||
9d0c6ca2 JA |
851 | /* |
852 | * log a succesful write, so we can unwind the log for verify | |
853 | */ | |
854 | static void log_io_piece(struct thread_data *td, struct io_u *io_u) | |
855 | { | |
49d2caab | 856 | struct io_piece *ipo = malloc(sizeof(struct io_piece)); |
9d0c6ca2 JA |
857 | struct list_head *entry; |
858 | ||
859 | INIT_LIST_HEAD(&ipo->list); | |
860 | ipo->offset = io_u->offset; | |
861 | ipo->len = io_u->buflen; | |
862 | ||
49d2caab JA |
863 | /* |
864 | * for random io where the writes extend the file, it will typically | |
865 | * be laid out with the block scattered as written. it's faster to | |
866 | * read them in in that order again, so don't sort | |
867 | */ | |
868 | if (td->sequential || !td->overwrite) { | |
9d0c6ca2 JA |
869 | list_add_tail(&ipo->list, &td->io_hist_list); |
870 | return; | |
871 | } | |
872 | ||
873 | /* | |
874 | * for random io, sort the list so verify will run faster | |
875 | */ | |
876 | entry = &td->io_hist_list; | |
877 | while ((entry = entry->prev) != &td->io_hist_list) { | |
878 | struct io_piece *__ipo = list_entry(entry, struct io_piece, list); | |
879 | ||
9d0c6ca2 JA |
880 | if (__ipo->offset < ipo->offset) |
881 | break; | |
882 | } | |
883 | ||
884 | list_add(&ipo->list, entry); | |
885 | } | |
886 | ||
91fc5dc9 | 887 | static void do_sync_verify(struct thread_data *td) |
cfc702bd | 888 | { |
40ef7f64 | 889 | struct timeval t; |
e8457004 | 890 | struct io_u *io_u = NULL; |
645785e5 | 891 | int ret; |
e8457004 | 892 | |
40ef7f64 | 893 | td_set_runstate(td, TD_VERIFYING); |
e8457004 JA |
894 | |
895 | io_u = __get_io_u(td); | |
896 | ||
40ef7f64 | 897 | if (!td->odirect) { |
49d2caab | 898 | if (fadvise(td->fd, td->file_offset, td->io_size, POSIX_FADV_DONTNEED) < 0) { |
40ef7f64 JA |
899 | td->error = errno; |
900 | goto out; | |
901 | } | |
902 | } | |
903 | ||
e8457004 JA |
904 | do { |
905 | if (td->terminate) | |
906 | break; | |
40ef7f64 JA |
907 | |
908 | gettimeofday(&t, NULL); | |
909 | if (runtime_exceeded(td, &t)) | |
910 | break; | |
911 | ||
645785e5 JA |
912 | if (get_next_verify(td, &io_u->offset, &io_u->buflen)) |
913 | break; | |
914 | ||
915 | if (td->cur_off != io_u->offset) { | |
916 | if (lseek(td->fd, io_u->offset, SEEK_SET) == -1) { | |
917 | td->error = errno; | |
918 | break; | |
919 | } | |
920 | } | |
e8457004 JA |
921 | |
922 | ret = read(td->fd, io_u->buf, io_u->buflen); | |
923 | if (ret < (int) io_u->buflen) { | |
924 | if (ret == -1) { | |
925 | td->error = errno; | |
926 | break; | |
927 | } else if (!ret) | |
928 | break; | |
929 | else | |
930 | io_u->buflen = ret; | |
931 | } | |
932 | ||
645785e5 | 933 | if (verify_io_u(io_u)) |
e8457004 JA |
934 | break; |
935 | ||
645785e5 | 936 | td->cur_off = io_u->offset + io_u->buflen; |
e8457004 JA |
937 | } while (1); |
938 | ||
939 | out: | |
40ef7f64 | 940 | td_set_runstate(td, TD_RUNNING); |
e8457004 | 941 | put_io_u(td, io_u); |
cfc702bd JA |
942 | } |
943 | ||
43000118 | 944 | static void do_sync_io(struct thread_data *td) |
892199bd | 945 | { |
7889f07b | 946 | unsigned long msec, usec; |
e8457004 | 947 | struct io_u *io_u = NULL; |
2c83567e | 948 | struct timeval e; |
892199bd | 949 | |
49d2caab | 950 | while (td->this_io_bytes < td->io_size) { |
892199bd JA |
951 | int ret; |
952 | ||
953 | if (td->terminate) | |
954 | break; | |
955 | ||
2c83567e | 956 | io_u = get_io_u(td); |
7889f07b JA |
957 | if (!io_u) |
958 | break; | |
2c83567e | 959 | |
63a09e51 JA |
960 | if (td->cur_off != io_u->offset) { |
961 | if (lseek(td->fd, io_u->offset, SEEK_SET) == -1) { | |
962 | td->error = errno; | |
963 | break; | |
964 | } | |
892199bd JA |
965 | } |
966 | ||
02983297 | 967 | if (td_read(td)) |
2c83567e | 968 | ret = read(td->fd, io_u->buf, io_u->buflen); |
892199bd | 969 | else |
2c83567e | 970 | ret = write(td->fd, io_u->buf, io_u->buflen); |
892199bd | 971 | |
2c83567e | 972 | if (ret < (int) io_u->buflen) { |
892199bd JA |
973 | if (ret == -1) |
974 | td->error = errno; | |
975 | break; | |
976 | } | |
977 | ||
62bb4285 | 978 | if (td_write(td)) |
645785e5 JA |
979 | log_io_piece(td, io_u); |
980 | ||
4240cfa1 | 981 | td->io_blocks++; |
49d2caab JA |
982 | td->io_bytes += io_u->buflen; |
983 | td->this_io_bytes += io_u->buflen; | |
63a09e51 | 984 | td->cur_off = io_u->offset + io_u->buflen; |
4240cfa1 | 985 | |
86184d14 JA |
986 | gettimeofday(&e, NULL); |
987 | ||
57d753e3 | 988 | usec = utime_since(&io_u->start_time, &e); |
86184d14 | 989 | |
9e850933 | 990 | rate_throttle(td, usec, io_u->buflen); |
892199bd | 991 | |
4240cfa1 JA |
992 | if (check_min_rate(td, &e)) { |
993 | td->error = ENODATA; | |
994 | break; | |
995 | } | |
892199bd | 996 | |
4240cfa1 | 997 | msec = usec / 1000; |
57d753e3 | 998 | add_clat_sample(td, msec); |
645785e5 | 999 | add_bw_sample(td); |
67903a2e JA |
1000 | |
1001 | if (runtime_exceeded(td, &e)) | |
1002 | break; | |
2c83567e | 1003 | |
cdf92433 | 1004 | put_io_u(td, io_u); |
e8457004 | 1005 | io_u = NULL; |
cdf92433 | 1006 | |
e97712ed JA |
1007 | if (td->thinktime) |
1008 | usec_sleep(td->thinktime); | |
1009 | ||
cdf92433 JA |
1010 | if (should_fsync(td) && td->fsync_blocks && |
1011 | (td->io_blocks % td->fsync_blocks) == 0) | |
1012 | fsync(td->fd); | |
892199bd JA |
1013 | } |
1014 | ||
e8457004 JA |
1015 | if (io_u) |
1016 | put_io_u(td, io_u); | |
1017 | ||
4240cfa1 | 1018 | if (should_fsync(td)) |
892199bd | 1019 | fsync(td->fd); |
892199bd | 1020 | } |
43000118 | 1021 | |
1ad72b11 JA |
1022 | static int io_u_getevents(struct thread_data *td, int min, int max, |
1023 | struct timespec *t) | |
1024 | { | |
1025 | int r; | |
1026 | ||
1027 | do { | |
1028 | r = io_getevents(td->aio_ctx, min, max, td->aio_events, t); | |
1029 | if (r != -EAGAIN && r != -EINTR) | |
1030 | break; | |
1031 | } while (1); | |
1032 | ||
1033 | return r; | |
1034 | } | |
1035 | ||
2c83567e | 1036 | static int io_u_queue(struct thread_data *td, struct io_u *io_u) |
56b0eff0 | 1037 | { |
2c83567e | 1038 | struct iocb *iocb = &io_u->iocb; |
56b0eff0 JA |
1039 | int ret; |
1040 | ||
1041 | do { | |
254605cd | 1042 | ret = io_submit(td->aio_ctx, 1, &iocb); |
56b0eff0 JA |
1043 | if (ret == 1) |
1044 | return 0; | |
406e7b7c | 1045 | else if (ret == -EAGAIN) |
56b0eff0 | 1046 | usleep(100); |
406e7b7c | 1047 | else if (ret == -EINTR) |
a592bd33 | 1048 | continue; |
56b0eff0 JA |
1049 | else |
1050 | break; | |
1051 | } while (1); | |
1052 | ||
a592bd33 | 1053 | return ret; |
56b0eff0 JA |
1054 | } |
1055 | ||
98168d55 | 1056 | #define iocb_time(iocb) ((unsigned long) (iocb)->data) |
2c83567e JA |
1057 | #define ev_to_iou(ev) (struct io_u *) ((unsigned long) (ev)->obj) |
1058 | ||
f0f3411b | 1059 | static int ios_completed(struct thread_data *td, int nr) |
2c83567e JA |
1060 | { |
1061 | unsigned long msec; | |
1062 | struct io_u *io_u; | |
1063 | struct timeval e; | |
9e850933 | 1064 | int i, bytes_done; |
2c83567e | 1065 | |
f0f3411b | 1066 | gettimeofday(&e, NULL); |
2c83567e | 1067 | |
9e850933 | 1068 | for (i = 0, bytes_done = 0; i < nr; i++) { |
2c83567e JA |
1069 | io_u = ev_to_iou(td->aio_events + i); |
1070 | ||
f0f3411b | 1071 | td->io_blocks++; |
49d2caab JA |
1072 | td->io_bytes += io_u->buflen; |
1073 | td->this_io_bytes += io_u->buflen; | |
8c033f93 | 1074 | |
f0f3411b | 1075 | msec = mtime_since(&io_u->issue_time, &e); |
2c83567e | 1076 | |
f0f3411b | 1077 | add_clat_sample(td, msec); |
645785e5 JA |
1078 | add_bw_sample(td); |
1079 | ||
62bb4285 | 1080 | if (td_write(td)) |
645785e5 | 1081 | log_io_piece(td, io_u); |
2c83567e | 1082 | |
f4bb2243 | 1083 | bytes_done += io_u->buflen; |
2c83567e JA |
1084 | put_io_u(td, io_u); |
1085 | } | |
9e850933 JA |
1086 | |
1087 | return bytes_done; | |
2c83567e JA |
1088 | } |
1089 | ||
1090 | static void cleanup_pending_aio(struct thread_data *td) | |
1091 | { | |
1092 | struct timespec ts = { .tv_sec = 0, .tv_nsec = 0}; | |
1093 | struct list_head *entry, *n; | |
1094 | struct io_u *io_u; | |
1095 | int r; | |
1096 | ||
1097 | /* | |
1098 | * get immediately available events, if any | |
1099 | */ | |
1ad72b11 | 1100 | r = io_u_getevents(td, 0, td->cur_depth, &ts); |
2c83567e | 1101 | if (r > 0) |
f0f3411b | 1102 | ios_completed(td, r); |
2c83567e JA |
1103 | |
1104 | /* | |
1105 | * now cancel remaining active events | |
1106 | */ | |
1107 | list_for_each_safe(entry, n, &td->io_u_busylist) { | |
1108 | io_u = list_entry(entry, struct io_u, list); | |
1109 | ||
1110 | r = io_cancel(td->aio_ctx, &io_u->iocb, td->aio_events); | |
1111 | if (!r) | |
1112 | put_io_u(td, io_u); | |
1113 | } | |
1114 | ||
1115 | if (td->cur_depth) { | |
1ad72b11 | 1116 | r = io_u_getevents(td, td->cur_depth, td->cur_depth, NULL); |
2c83567e | 1117 | if (r > 0) |
f0f3411b | 1118 | ios_completed(td, r); |
2c83567e JA |
1119 | } |
1120 | } | |
98168d55 | 1121 | |
d32d9284 JA |
1122 | static int async_do_verify(struct thread_data *td, struct io_u **io_u) |
1123 | { | |
1124 | struct io_u *v_io_u = *io_u; | |
1125 | int ret = 0; | |
1126 | ||
1127 | if (v_io_u) { | |
645785e5 | 1128 | ret = verify_io_u(v_io_u); |
d32d9284 JA |
1129 | put_io_u(td, v_io_u); |
1130 | *io_u = NULL; | |
1131 | } | |
1132 | ||
1133 | return ret; | |
1134 | } | |
1135 | ||
91fc5dc9 | 1136 | static void do_async_verify(struct thread_data *td) |
cfc702bd | 1137 | { |
f4bb2243 | 1138 | struct timeval t; |
d32d9284 | 1139 | struct io_u *io_u, *v_io_u = NULL; |
645785e5 | 1140 | int ret; |
f4bb2243 JA |
1141 | |
1142 | td_set_runstate(td, TD_VERIFYING); | |
1143 | ||
f4bb2243 JA |
1144 | do { |
1145 | if (td->terminate) | |
1146 | break; | |
1147 | ||
1148 | gettimeofday(&t, NULL); | |
1149 | if (runtime_exceeded(td, &t)) | |
1150 | break; | |
1151 | ||
1152 | io_u = __get_io_u(td); | |
1153 | if (!io_u) | |
1154 | break; | |
1155 | ||
645785e5 JA |
1156 | if (get_next_verify(td, &io_u->offset, &io_u->buflen)) { |
1157 | put_io_u(td, io_u); | |
1158 | break; | |
f4bb2243 JA |
1159 | } |
1160 | ||
1161 | io_prep_pread(&io_u->iocb, td->fd, io_u->buf, io_u->buflen, io_u->offset); | |
1162 | ret = io_u_queue(td, io_u); | |
1163 | if (ret) { | |
1164 | put_io_u(td, io_u); | |
1165 | td->error = ret; | |
1166 | break; | |
1167 | } | |
1168 | ||
f0f3411b JA |
1169 | /* |
1170 | * we have one pending to verify, do that while the next | |
1171 | * we are doing io on the next one | |
1172 | */ | |
d32d9284 JA |
1173 | if (async_do_verify(td, &v_io_u)) |
1174 | break; | |
f0f3411b | 1175 | |
1ad72b11 | 1176 | ret = io_u_getevents(td, 1, 1, NULL); |
f0f3411b JA |
1177 | if (ret != 1) { |
1178 | if (ret < 0) | |
1179 | td->error = ret; | |
f4bb2243 JA |
1180 | break; |
1181 | } | |
1182 | ||
f0f3411b | 1183 | v_io_u = ev_to_iou(td->aio_events); |
f4bb2243 | 1184 | |
645785e5 | 1185 | td->cur_off = v_io_u->offset + v_io_u->buflen; |
f0f3411b JA |
1186 | |
1187 | /* | |
d32d9284 | 1188 | * if we can't submit more io, we need to verify now |
f0f3411b | 1189 | */ |
d32d9284 JA |
1190 | if (queue_full(td) && async_do_verify(td, &v_io_u)) |
1191 | break; | |
1192 | ||
f4bb2243 JA |
1193 | } while (1); |
1194 | ||
d32d9284 | 1195 | async_do_verify(td, &v_io_u); |
f0f3411b | 1196 | |
f4bb2243 JA |
1197 | if (td->cur_depth) |
1198 | cleanup_pending_aio(td); | |
1199 | ||
1200 | td_set_runstate(td, TD_RUNNING); | |
cfc702bd JA |
1201 | } |
1202 | ||
43000118 JA |
1203 | static void do_async_io(struct thread_data *td) |
1204 | { | |
1205 | struct timeval s, e; | |
7889f07b | 1206 | unsigned long usec; |
43000118 | 1207 | |
49d2caab | 1208 | while (td->this_io_bytes < td->io_size) { |
43000118 JA |
1209 | struct timespec ts = { .tv_sec = 0, .tv_nsec = 0}; |
1210 | struct timespec *timeout; | |
2c83567e JA |
1211 | int ret, min_evts = 0; |
1212 | struct io_u *io_u; | |
9e850933 | 1213 | unsigned int bytes_done; |
43000118 JA |
1214 | |
1215 | if (td->terminate) | |
1216 | break; | |
1217 | ||
2c83567e | 1218 | io_u = get_io_u(td); |
7889f07b JA |
1219 | if (!io_u) |
1220 | break; | |
43000118 | 1221 | |
57d753e3 | 1222 | memcpy(&s, &io_u->start_time, sizeof(s)); |
8baf1bcc | 1223 | |
2c83567e | 1224 | ret = io_u_queue(td, io_u); |
56b0eff0 | 1225 | if (ret) { |
a3fdb993 | 1226 | put_io_u(td, io_u); |
a592bd33 | 1227 | td->error = ret; |
43000118 JA |
1228 | break; |
1229 | } | |
1230 | ||
57d753e3 JA |
1231 | gettimeofday(&io_u->issue_time, NULL); |
1232 | add_slat_sample(td, mtime_since(&io_u->start_time, &io_u->issue_time)); | |
2c83567e | 1233 | if (td->cur_depth < td->aio_depth) { |
43000118 JA |
1234 | timeout = &ts; |
1235 | min_evts = 0; | |
1236 | } else { | |
1237 | timeout = NULL; | |
1238 | min_evts = 1; | |
1239 | } | |
1240 | ||
1ad72b11 | 1241 | ret = io_u_getevents(td, min_evts, td->cur_depth, timeout); |
43000118 | 1242 | if (ret < 0) { |
406e7b7c | 1243 | td->error = ret; |
43000118 JA |
1244 | break; |
1245 | } else if (!ret) | |
1246 | continue; | |
1247 | ||
f0f3411b | 1248 | bytes_done = ios_completed(td, ret); |
43000118 | 1249 | |
98168d55 JA |
1250 | /* |
1251 | * the rate is batched for now, it should work for batches | |
1252 | * of completions except the very first one which may look | |
1253 | * a little bursty | |
1254 | */ | |
2c83567e | 1255 | gettimeofday(&e, NULL); |
43000118 JA |
1256 | usec = utime_since(&s, &e); |
1257 | ||
9e850933 | 1258 | rate_throttle(td, usec, bytes_done); |
43000118 JA |
1259 | |
1260 | if (check_min_rate(td, &e)) { | |
1261 | td->error = ENODATA; | |
1262 | break; | |
1263 | } | |
67903a2e JA |
1264 | |
1265 | if (runtime_exceeded(td, &e)) | |
1266 | break; | |
765d9223 JA |
1267 | |
1268 | if (td->thinktime) | |
1269 | usec_sleep(td->thinktime); | |
cdf92433 JA |
1270 | |
1271 | if (should_fsync(td) && td->fsync_blocks && | |
1272 | (td->io_blocks % td->fsync_blocks) == 0) | |
1273 | fsync(td->fd); | |
43000118 | 1274 | } |
56b0eff0 | 1275 | |
2c83567e JA |
1276 | if (td->cur_depth) |
1277 | cleanup_pending_aio(td); | |
4ac89145 JA |
1278 | |
1279 | if (should_fsync(td)) | |
1280 | fsync(td->fd); | |
56b0eff0 JA |
1281 | } |
1282 | ||
1283 | static void cleanup_aio(struct thread_data *td) | |
1284 | { | |
254605cd JA |
1285 | io_destroy(td->aio_ctx); |
1286 | ||
43000118 JA |
1287 | if (td->aio_events) |
1288 | free(td->aio_events); | |
43000118 JA |
1289 | } |
1290 | ||
1291 | static int init_aio(struct thread_data *td) | |
1292 | { | |
254605cd | 1293 | if (io_queue_init(td->aio_depth, &td->aio_ctx)) { |
43000118 JA |
1294 | td->error = errno; |
1295 | return 1; | |
1296 | } | |
1297 | ||
43000118 | 1298 | td->aio_events = malloc(td->aio_depth * sizeof(struct io_event)); |
43000118 JA |
1299 | return 0; |
1300 | } | |
1301 | ||
2c83567e JA |
1302 | static void cleanup_io_u(struct thread_data *td) |
1303 | { | |
1304 | struct list_head *entry, *n; | |
1305 | struct io_u *io_u; | |
1306 | ||
1307 | list_for_each_safe(entry, n, &td->io_u_freelist) { | |
1308 | io_u = list_entry(entry, struct io_u, list); | |
1309 | ||
1310 | list_del(&io_u->list); | |
2c83567e JA |
1311 | free(io_u); |
1312 | } | |
6b71c826 | 1313 | |
99c6704f JA |
1314 | if (td->mem_type == MEM_MALLOC) |
1315 | free(td->orig_buffer); | |
1316 | else if (td->mem_type == MEM_SHM) { | |
1317 | struct shmid_ds sbuf; | |
1318 | ||
1319 | shmdt(td->orig_buffer); | |
1320 | shmctl(td->shm_id, IPC_RMID, &sbuf); | |
1321 | } | |
2c83567e JA |
1322 | } |
1323 | ||
99c6704f | 1324 | static int init_io_u(struct thread_data *td) |
2c83567e JA |
1325 | { |
1326 | struct io_u *io_u; | |
99c6704f | 1327 | int i, max_units, mem_size; |
6b71c826 | 1328 | char *p; |
2c83567e JA |
1329 | |
1330 | if (!td->use_aio) | |
1331 | max_units = 1; | |
1332 | else | |
1333 | max_units = td->aio_depth; | |
1334 | ||
7889f07b | 1335 | mem_size = td->max_bs * max_units + MASK; |
99c6704f JA |
1336 | |
1337 | if (td->mem_type == MEM_MALLOC) | |
1338 | td->orig_buffer = malloc(mem_size); | |
1339 | else if (td->mem_type == MEM_SHM) { | |
1340 | td->shm_id = shmget(IPC_PRIVATE, mem_size, IPC_CREAT | 0600); | |
1341 | if (td->shm_id < 0) { | |
1342 | td->error = errno; | |
1343 | perror("shmget"); | |
1344 | return 1; | |
1345 | } | |
1346 | ||
1347 | td->orig_buffer = shmat(td->shm_id, NULL, 0); | |
1348 | if (td->orig_buffer == (void *) -1) { | |
1349 | td->error = errno; | |
1350 | perror("shmat"); | |
1351 | return 1; | |
1352 | } | |
1353 | } | |
6b71c826 | 1354 | |
2c83567e JA |
1355 | INIT_LIST_HEAD(&td->io_u_freelist); |
1356 | INIT_LIST_HEAD(&td->io_u_busylist); | |
645785e5 | 1357 | INIT_LIST_HEAD(&td->io_hist_list); |
2c83567e | 1358 | |
99c6704f | 1359 | p = ALIGN(td->orig_buffer); |
2c83567e JA |
1360 | for (i = 0; i < max_units; i++) { |
1361 | io_u = malloc(sizeof(*io_u)); | |
1362 | memset(io_u, 0, sizeof(*io_u)); | |
1363 | INIT_LIST_HEAD(&io_u->list); | |
1364 | ||
7889f07b | 1365 | io_u->buf = p + td->max_bs * i; |
2c83567e JA |
1366 | list_add(&io_u->list, &td->io_u_freelist); |
1367 | } | |
99c6704f JA |
1368 | |
1369 | return 0; | |
2c83567e JA |
1370 | } |
1371 | ||
a0a9b35b JA |
1372 | static void setup_log(struct io_log **log) |
1373 | { | |
1374 | struct io_log *l = malloc(sizeof(*l)); | |
1375 | ||
1376 | l->nr_samples = 0; | |
1377 | l->max_samples = 1024; | |
1378 | l->log = malloc(l->max_samples * sizeof(struct io_sample)); | |
1379 | *log = l; | |
1380 | } | |
1381 | ||
1382 | static void finish_log(struct thread_data *td, struct io_log *log, char *name) | |
1383 | { | |
1384 | char file_name[128]; | |
1385 | FILE *f; | |
645785e5 | 1386 | unsigned int i; |
a0a9b35b JA |
1387 | |
1388 | sprintf(file_name, "client%d_%s.log", td->thread_number, name); | |
1389 | f = fopen(file_name, "w"); | |
1390 | if (!f) { | |
1391 | perror("fopen log"); | |
1392 | return; | |
1393 | } | |
1394 | ||
1395 | for (i = 0; i < log->nr_samples; i++) | |
1396 | fprintf(f, "%lu, %lu\n", log->log[i].time, log->log[i].val); | |
1397 | ||
1398 | fclose(f); | |
1399 | free(log->log); | |
1400 | free(log); | |
1401 | } | |
1402 | ||
02983297 JA |
1403 | static int create_file(struct thread_data *td) |
1404 | { | |
7889f07b | 1405 | unsigned long long left; |
645785e5 | 1406 | unsigned int bs; |
02983297 | 1407 | char *b; |
645785e5 | 1408 | int r; |
02983297 | 1409 | |
02983297 JA |
1410 | /* |
1411 | * unless specifically asked for overwrite, let normal io extend it | |
1412 | */ | |
62bb4285 | 1413 | if (td_write(td) && !td->overwrite) |
02983297 JA |
1414 | return 0; |
1415 | ||
57d753e3 JA |
1416 | if (!td->file_size) { |
1417 | fprintf(stderr, "Need size for create\n"); | |
1418 | td->error = EINVAL; | |
1419 | return 1; | |
1420 | } | |
1421 | ||
42fd89a7 JA |
1422 | printf("Client%d: Laying out IO file\n", td->thread_number); |
1423 | ||
02983297 JA |
1424 | td->fd = open(td->file_name, O_WRONLY | O_CREAT | O_TRUNC, 0644); |
1425 | if (td->fd < 0) { | |
1426 | td->error = errno; | |
1427 | return 1; | |
1428 | } | |
1429 | ||
c94deb1c JA |
1430 | if (ftruncate(td->fd, td->file_size) == -1) { |
1431 | td->error = errno; | |
1432 | return 1; | |
1433 | } | |
1434 | ||
49d2caab | 1435 | td->io_size = td->file_size; |
7889f07b JA |
1436 | b = malloc(td->max_bs); |
1437 | memset(b, 0, td->max_bs); | |
1438 | ||
1439 | left = td->file_size; | |
1440 | while (left) { | |
1441 | bs = td->max_bs; | |
1442 | if (bs > left) | |
1443 | bs = left; | |
02983297 | 1444 | |
7889f07b | 1445 | r = write(td->fd, b, bs); |
02983297 | 1446 | |
645785e5 | 1447 | if (r == (int) bs) { |
7889f07b | 1448 | left -= bs; |
02983297 | 1449 | continue; |
7889f07b | 1450 | } else { |
02983297 JA |
1451 | if (r < 0) |
1452 | td->error = errno; | |
1453 | else | |
1454 | td->error = EIO; | |
1455 | ||
1456 | break; | |
1457 | } | |
1458 | } | |
1459 | ||
fc097bfe JA |
1460 | if (td->create_fsync) |
1461 | fsync(td->fd); | |
1462 | ||
02983297 JA |
1463 | close(td->fd); |
1464 | td->fd = -1; | |
1465 | free(b); | |
1466 | return 0; | |
1467 | } | |
1468 | ||
1469 | static int file_exists(struct thread_data *td) | |
1470 | { | |
1471 | struct stat st; | |
1472 | ||
1473 | if (stat(td->file_name, &st) != -1) | |
1474 | return 1; | |
1475 | ||
1476 | return errno != ENOENT; | |
1477 | } | |
1478 | ||
c94deb1c | 1479 | static int get_file_size(struct thread_data *td) |
02983297 | 1480 | { |
c94deb1c | 1481 | size_t bytes = 0; |
02983297 | 1482 | struct stat st; |
c94deb1c JA |
1483 | |
1484 | if (fstat(td->fd, &st) == -1) { | |
1485 | td->error = errno; | |
1486 | return 1; | |
1487 | } | |
1488 | ||
1489 | /* | |
1490 | * if block device, get size via BLKGETSIZE64 ioctl. try that as well | |
1491 | * if this is a link, fall back to st.st_size if it fails | |
1492 | */ | |
1493 | if (S_ISBLK(st.st_mode) || S_ISLNK(st.st_mode)) { | |
1494 | if (ioctl(td->fd, BLKGETSIZE64, &bytes)) { | |
1495 | if (S_ISBLK(st.st_mode)) { | |
1496 | td->error = errno; | |
1497 | return 1; | |
1498 | } else | |
1499 | bytes = st.st_size; | |
1500 | } | |
1501 | } else | |
1502 | bytes = st.st_size; | |
1503 | ||
1504 | if (td_read(td)) { | |
1505 | if (td->file_size > bytes) | |
1506 | bytes = td->file_size; | |
1507 | } else { | |
1508 | if (!td->file_size) | |
1509 | td->file_size = 1024 * 1024 * 1024; | |
1510 | ||
1511 | bytes = td->file_size; | |
1512 | } | |
1513 | ||
1514 | if (td->file_offset > bytes) { | |
1515 | fprintf(stderr, "Client%d: offset larger than length\n", td->thread_number); | |
1516 | return 1; | |
1517 | } | |
1518 | ||
1519 | td->io_size = bytes - td->file_offset; | |
1520 | if (td->io_size == 0) { | |
1521 | fprintf(stderr, "Client%d: no io blocks\n", td->thread_number); | |
1522 | td->error = EINVAL; | |
1523 | return 1; | |
1524 | } | |
1525 | ||
1526 | return 0; | |
1527 | } | |
1528 | ||
1529 | static int setup_file(struct thread_data *td) | |
1530 | { | |
02983297 JA |
1531 | int flags = 0; |
1532 | ||
1533 | if (!file_exists(td)) { | |
1534 | if (!td->create_file) { | |
1535 | td->error = ENOENT; | |
1536 | return 1; | |
1537 | } | |
1538 | if (create_file(td)) | |
1539 | return 1; | |
1540 | } | |
1541 | ||
1542 | if (td->odirect) | |
1543 | flags |= O_DIRECT; | |
1544 | ||
1545 | if (td_read(td)) | |
1546 | td->fd = open(td->file_name, flags | O_RDONLY); | |
1547 | else { | |
1548 | if (!td->overwrite) | |
1549 | flags |= O_TRUNC; | |
74b4b5fb JA |
1550 | if (td->sync_io) |
1551 | flags |= O_SYNC; | |
e8457004 JA |
1552 | if (td->verify) |
1553 | flags |= O_RDWR; | |
1554 | else | |
1555 | flags |= O_WRONLY; | |
02983297 | 1556 | |
e8457004 | 1557 | td->fd = open(td->file_name, flags | O_CREAT, 0600); |
02983297 JA |
1558 | } |
1559 | ||
1560 | if (td->fd == -1) { | |
1561 | td->error = errno; | |
1562 | return 1; | |
1563 | } | |
1564 | ||
c94deb1c | 1565 | if (get_file_size(td)) |
49d2caab | 1566 | return 1; |
49d2caab | 1567 | |
62bb4285 | 1568 | if (td_write(td) && ftruncate(td->fd, td->file_size) == -1) { |
c94deb1c | 1569 | td->error = errno; |
02983297 JA |
1570 | return 1; |
1571 | } | |
1572 | ||
b95799ca | 1573 | if (td->invalidate_cache) { |
c94deb1c | 1574 | if (fadvise(td->fd, td->file_offset, td->file_size, POSIX_FADV_DONTNEED) < 0) { |
b95799ca JA |
1575 | td->error = errno; |
1576 | return 1; | |
1577 | } | |
1578 | } | |
1579 | ||
02983297 JA |
1580 | return 0; |
1581 | } | |
1582 | ||
d32d9284 JA |
1583 | static void clear_io_state(struct thread_data *td) |
1584 | { | |
9d0c6ca2 JA |
1585 | if (!td->use_aio) |
1586 | lseek(td->fd, SEEK_SET, 0); | |
1587 | ||
d32d9284 | 1588 | td->cur_off = 0; |
49d2caab JA |
1589 | td->last_bytes = 0; |
1590 | td->stat_io_bytes = 0; | |
1591 | td->this_io_bytes = 0; | |
1592 | ||
1593 | if (td->file_map) | |
1594 | memset(td->file_map, 0, td->num_maps * sizeof(long)); | |
d32d9284 JA |
1595 | } |
1596 | ||
5c24b2c4 | 1597 | static void *thread_main(int shm_id, int offset, char *argv[]) |
892199bd JA |
1598 | { |
1599 | struct thread_data *td; | |
02983297 | 1600 | int ret = 1; |
2c83567e | 1601 | void *data; |
892199bd | 1602 | |
7292613b JA |
1603 | setsid(); |
1604 | ||
892199bd | 1605 | data = shmat(shm_id, NULL, 0); |
4ac89145 JA |
1606 | if (data == (void *) -1) { |
1607 | perror("shmat"); | |
1608 | return NULL; | |
1609 | } | |
1610 | ||
892199bd JA |
1611 | td = data + offset * sizeof(struct thread_data); |
1612 | td->pid = getpid(); | |
1613 | ||
99c6704f JA |
1614 | if (init_io_u(td)) |
1615 | goto err; | |
2c83567e | 1616 | |
18e0b78c JA |
1617 | if (sched_setaffinity(td->pid, sizeof(td->cpumask), &td->cpumask) == -1) { |
1618 | td->error = errno; | |
1619 | goto err; | |
1620 | } | |
1621 | ||
4240cfa1 | 1622 | sprintf(argv[0], "fio%d", offset); |
892199bd | 1623 | |
43000118 JA |
1624 | if (td->use_aio && init_aio(td)) |
1625 | goto err; | |
1626 | ||
f737299d | 1627 | if (td->ioprio) { |
892199bd JA |
1628 | if (ioprio_set(IOPRIO_WHO_PROCESS, 0, td->ioprio) == -1) { |
1629 | td->error = errno; | |
599002b3 | 1630 | goto err; |
892199bd JA |
1631 | } |
1632 | } | |
1633 | ||
1634 | sem_post(&startup_sem); | |
1635 | sem_wait(&td->mutex); | |
43000118 | 1636 | |
fc097bfe JA |
1637 | if (!td->create_serialize && setup_file(td)) |
1638 | goto err; | |
1639 | ||
49d2caab JA |
1640 | if (init_random_state(td)) |
1641 | goto err; | |
1642 | ||
7292613b JA |
1643 | gettimeofday(&td->start, NULL); |
1644 | ||
92b229ed JA |
1645 | getrusage(RUSAGE_SELF, &td->ru_start); |
1646 | ||
293753bb JA |
1647 | while (td->loops--) { |
1648 | gettimeofday(&td->stat_sample_time, NULL); | |
1649 | ||
1650 | if (td->ratemin) | |
1651 | memcpy(&td->lastrate, &td->stat_sample_time, sizeof(td->lastrate)); | |
7292613b | 1652 | |
d32d9284 | 1653 | clear_io_state(td); |
9d0c6ca2 | 1654 | prune_io_piece_log(td); |
fd1ae4c9 | 1655 | |
b2de0ed2 | 1656 | if (!td->use_aio) |
b6794fbf | 1657 | do_sync_io(td); |
b2de0ed2 JA |
1658 | else |
1659 | do_async_io(td); | |
1660 | ||
91fc5dc9 JA |
1661 | if (td->error) |
1662 | break; | |
1663 | ||
b2de0ed2 JA |
1664 | if (!td->verify) |
1665 | continue; | |
cfc702bd | 1666 | |
b2de0ed2 | 1667 | clear_io_state(td); |
d32d9284 | 1668 | |
91fc5dc9 JA |
1669 | if (!td->use_aio) |
1670 | do_sync_verify(td); | |
1671 | else | |
1672 | do_async_verify(td); | |
1673 | ||
1674 | if (td->error) | |
1675 | break; | |
b6794fbf | 1676 | } |
7292613b | 1677 | |
be33abe4 | 1678 | td->runtime = mtime_since_now(&td->start); |
92b229ed | 1679 | getrusage(RUSAGE_SELF, &td->ru_end); |
892199bd | 1680 | ret = 0; |
a0a9b35b JA |
1681 | |
1682 | if (td->bw_log) | |
1683 | finish_log(td, td->bw_log, "bw"); | |
1684 | if (td->lat_log) | |
1685 | finish_log(td, td->lat_log, "lat"); | |
4ac89145 | 1686 | |
98dd52d6 JA |
1687 | if (exitall_on_terminate) |
1688 | sig_handler(0); | |
1689 | ||
892199bd | 1690 | err: |
7292613b JA |
1691 | if (td->fd != -1) { |
1692 | close(td->fd); | |
1693 | td->fd = -1; | |
1694 | } | |
4ac89145 JA |
1695 | if (td->use_aio) |
1696 | cleanup_aio(td); | |
2c83567e | 1697 | cleanup_io_u(td); |
599002b3 | 1698 | if (ret) { |
892199bd | 1699 | sem_post(&startup_sem); |
599002b3 JA |
1700 | sem_wait(&td->mutex); |
1701 | } | |
40ef7f64 | 1702 | td_set_runstate(td, TD_EXITED); |
4240cfa1 | 1703 | shmdt(data); |
892199bd JA |
1704 | return NULL; |
1705 | } | |
1706 | ||
5c24b2c4 | 1707 | static void free_shm(void) |
892199bd | 1708 | { |
c269123b JA |
1709 | struct shmid_ds sbuf; |
1710 | ||
1711 | if (threads) { | |
1712 | shmdt(threads); | |
1713 | threads = NULL; | |
1714 | shmctl(shm_id, IPC_RMID, &sbuf); | |
1715 | } | |
892199bd JA |
1716 | } |
1717 | ||
57d753e3 JA |
1718 | static int calc_lat(struct io_stat *is, unsigned long *min, unsigned long *max, |
1719 | double *mean, double *dev) | |
1720 | { | |
1721 | double n; | |
1722 | ||
1723 | if (is->samples == 0) | |
1724 | return 0; | |
1725 | ||
1726 | *min = is->min_val; | |
1727 | *max = is->max_val; | |
1728 | ||
1729 | n = (double) is->samples; | |
1730 | *mean = (double) is->val / n; | |
1731 | *dev = sqrt(((double) is->val_sq - (*mean * *mean) / n) / (n - 1)); | |
1732 | return 1; | |
1733 | } | |
1734 | ||
5c24b2c4 | 1735 | static void show_thread_status(struct thread_data *td) |
892199bd JA |
1736 | { |
1737 | int prio, prio_class; | |
92b229ed JA |
1738 | unsigned long min, max, bw = 0, ctx; |
1739 | double mean, dev, usr_cpu, sys_cpu; | |
892199bd | 1740 | |
49d2caab | 1741 | if (!td->io_bytes && !td->error) |
213b446c JA |
1742 | return; |
1743 | ||
892199bd | 1744 | if (td->runtime) |
49d2caab | 1745 | bw = td->io_bytes / td->runtime; |
892199bd JA |
1746 | |
1747 | prio = td->ioprio & 0xff; | |
1748 | prio_class = td->ioprio >> IOPRIO_CLASS_SHIFT; | |
1749 | ||
49d2caab | 1750 | 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 | 1751 | |
57d753e3 JA |
1752 | if (calc_lat(&td->slat_stat, &min, &max, &mean, &dev)) |
1753 | printf(" slat (msec): min=%5lu, max=%5lu, avg=%5.02f, dev=%5.02f\n", min, max, mean, dev); | |
1754 | if (calc_lat(&td->clat_stat, &min, &max, &mean, &dev)) | |
1755 | printf(" clat (msec): min=%5lu, max=%5lu, avg=%5.02f, dev=%5.02f\n", min, max, mean, dev); | |
1756 | if (calc_lat(&td->bw_stat, &min, &max, &mean, &dev)) | |
1757 | printf(" bw (KiB/s) : min=%5lu, max=%5lu, avg=%5.02f, dev=%5.02f\n", min, max, mean, dev); | |
92b229ed JA |
1758 | |
1759 | if (td->runtime) { | |
1760 | unsigned long t; | |
1761 | ||
1762 | t = mtime_since(&td->ru_start.ru_utime, &td->ru_end.ru_utime); | |
1763 | usr_cpu = (double) t * 100 / (double) td->runtime; | |
1764 | ||
1765 | t = mtime_since(&td->ru_start.ru_stime, &td->ru_end.ru_stime); | |
1766 | sys_cpu = (double) t * 100 / (double) td->runtime; | |
1767 | } else { | |
1768 | usr_cpu = 0; | |
1769 | sys_cpu = 0; | |
1770 | } | |
1771 | ||
1772 | ctx = td->ru_end.ru_nvcsw + td->ru_end.ru_nivcsw - (td->ru_start.ru_nvcsw + td->ru_start.ru_nivcsw); | |
1773 | ||
1774 | printf(" cpu : usr=%3.2f%%, sys=%3.2f%%, ctx=%lu\n", usr_cpu, sys_cpu, ctx); | |
892199bd JA |
1775 | } |
1776 | ||
5c24b2c4 | 1777 | static int setup_rate(struct thread_data *td) |
86184d14 | 1778 | { |
4240cfa1 JA |
1779 | int nr_reads_per_sec; |
1780 | ||
1781 | if (!td->rate) | |
1782 | return 0; | |
1783 | ||
1784 | if (td->rate < td->ratemin) { | |
1785 | fprintf(stderr, "min rate larger than nominal rate\n"); | |
1786 | return -1; | |
1787 | } | |
86184d14 | 1788 | |
49d2caab | 1789 | nr_reads_per_sec = (td->rate * 1024) / td->min_bs; |
86184d14 JA |
1790 | td->rate_usec_cycle = 1000000 / nr_reads_per_sec; |
1791 | td->rate_pending_usleep = 0; | |
4240cfa1 | 1792 | return 0; |
86184d14 JA |
1793 | } |
1794 | ||
47d45203 | 1795 | static struct thread_data *get_new_job(int global) |
892199bd | 1796 | { |
4240cfa1 JA |
1797 | struct thread_data *td; |
1798 | ||
47d45203 JA |
1799 | if (global) |
1800 | return &def_thread; | |
8867c0a8 | 1801 | if (thread_number >= max_jobs) |
4240cfa1 JA |
1802 | return NULL; |
1803 | ||
1804 | td = &threads[thread_number++]; | |
fc24389f | 1805 | memset(td, 0, sizeof(*td)); |
892199bd | 1806 | |
e4ed35c3 | 1807 | td->fd = -1; |
86184d14 | 1808 | td->thread_number = thread_number; |
76cb7b42 | 1809 | |
47d45203 | 1810 | td->ddir = def_thread.ddir; |
76cb7b42 JA |
1811 | td->ioprio = def_thread.ioprio; |
1812 | td->sequential = def_thread.sequential; | |
47d45203 | 1813 | td->bs = def_thread.bs; |
8c033f93 JA |
1814 | td->min_bs = def_thread.min_bs; |
1815 | td->max_bs = def_thread.max_bs; | |
47d45203 | 1816 | td->odirect = def_thread.odirect; |
e97712ed | 1817 | td->thinktime = def_thread.thinktime; |
76cb7b42 JA |
1818 | td->fsync_blocks = def_thread.fsync_blocks; |
1819 | td->start_delay = def_thread.start_delay; | |
67903a2e | 1820 | td->timeout = def_thread.timeout; |
76cb7b42 | 1821 | td->use_aio = def_thread.use_aio; |
02983297 JA |
1822 | td->create_file = def_thread.create_file; |
1823 | td->overwrite = def_thread.overwrite; | |
b95799ca | 1824 | td->invalidate_cache = def_thread.invalidate_cache; |
76cb7b42 | 1825 | td->file_size = def_thread.file_size; |
9b5cf6c0 | 1826 | td->file_offset = def_thread.file_offset; |
76cb7b42 JA |
1827 | td->rate = def_thread.rate; |
1828 | td->ratemin = def_thread.ratemin; | |
1829 | td->ratecycle = def_thread.ratecycle; | |
1830 | td->aio_depth = def_thread.aio_depth; | |
99c6704f JA |
1831 | td->sync_io = def_thread.sync_io; |
1832 | td->mem_type = def_thread.mem_type; | |
1d035750 | 1833 | td->bw_avg_time = def_thread.bw_avg_time; |
fc097bfe JA |
1834 | td->create_serialize = def_thread.create_serialize; |
1835 | td->create_fsync = def_thread.create_fsync; | |
b6794fbf | 1836 | td->loops = def_thread.loops; |
cfc702bd | 1837 | td->verify = def_thread.verify; |
2a81240d | 1838 | td->stonewall = def_thread.stonewall; |
47d45203 | 1839 | memcpy(&td->cpumask, &def_thread.cpumask, sizeof(td->cpumask)); |
f737299d JA |
1840 | |
1841 | return td; | |
1842 | } | |
1843 | ||
4240cfa1 JA |
1844 | static void put_job(struct thread_data *td) |
1845 | { | |
1846 | memset(&threads[td->thread_number - 1], 0, sizeof(*td)); | |
1847 | thread_number--; | |
1848 | } | |
1849 | ||
5c24b2c4 JA |
1850 | static int add_job(struct thread_data *td, const char *filename, int prioclass, |
1851 | int prio) | |
f737299d | 1852 | { |
47d45203 JA |
1853 | if (td == &def_thread) |
1854 | return 0; | |
1855 | ||
f737299d | 1856 | strcpy(td->file_name, filename); |
4240cfa1 | 1857 | sem_init(&td->mutex, 1, 0); |
f737299d JA |
1858 | td->ioprio = (prioclass << IOPRIO_CLASS_SHIFT) | prio; |
1859 | ||
57d753e3 JA |
1860 | td->clat_stat.min_val = ULONG_MAX; |
1861 | td->slat_stat.min_val = ULONG_MAX; | |
1862 | td->bw_stat.min_val = ULONG_MAX; | |
1863 | ||
8dbff0b1 JA |
1864 | run_str[td->thread_number - 1] = 'P'; |
1865 | ||
4ac89145 JA |
1866 | if (td->use_aio && !td->aio_depth) |
1867 | td->aio_depth = 1; | |
43000118 | 1868 | |
645785e5 | 1869 | if (td->min_bs == -1U) |
8bdcfab5 | 1870 | td->min_bs = td->bs; |
645785e5 | 1871 | if (td->max_bs == -1U) |
8bdcfab5 | 1872 | td->max_bs = td->bs; |
645785e5 | 1873 | if (td_read(td)) |
840b216f | 1874 | td->verify = 0; |
8bdcfab5 | 1875 | |
4240cfa1 JA |
1876 | if (setup_rate(td)) |
1877 | return -1; | |
f737299d | 1878 | |
a0a9b35b JA |
1879 | if (write_lat_log) |
1880 | setup_log(&td->lat_log); | |
1881 | if (write_bw_log) | |
1882 | setup_log(&td->bw_log); | |
1883 | ||
7889f07b | 1884 | 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 | 1885 | return 0; |
892199bd JA |
1886 | } |
1887 | ||
18e0b78c JA |
1888 | static void fill_cpu_mask(cpu_set_t cpumask, int cpu) |
1889 | { | |
f737299d | 1890 | unsigned int i; |
18e0b78c JA |
1891 | |
1892 | CPU_ZERO(&cpumask); | |
1893 | ||
1894 | for (i = 0; i < sizeof(int) * 8; i++) { | |
1895 | if ((1 << i) & cpu) | |
1896 | CPU_SET(i, &cpumask); | |
1897 | } | |
1898 | } | |
1899 | ||
7889f07b JA |
1900 | unsigned long get_mult(char c) |
1901 | { | |
1902 | switch (c) { | |
1903 | case 'k': | |
1904 | case 'K': | |
1905 | return 1024; | |
1906 | case 'm': | |
1907 | case 'M': | |
1908 | return 1024 * 1024; | |
1909 | case 'g': | |
1910 | case 'G': | |
1911 | return 1024 * 1024 * 1024; | |
1912 | default: | |
1913 | return 1; | |
1914 | } | |
1915 | } | |
1916 | ||
02983297 JA |
1917 | /* |
1918 | * convert string after '=' into decimal value, noting any size suffix | |
1919 | */ | |
1920 | static int str_cnv(char *p, unsigned long long *val) | |
1921 | { | |
02983297 JA |
1922 | char *str; |
1923 | int len; | |
1924 | ||
1925 | str = strstr(p, "="); | |
1926 | if (!str) | |
1927 | return 1; | |
1928 | ||
1929 | str++; | |
1930 | len = strlen(str); | |
02983297 JA |
1931 | |
1932 | *val = strtoul(str, NULL, 10); | |
1933 | if (*val == ULONG_MAX && errno == ERANGE) | |
1934 | return 1; | |
1935 | ||
7889f07b | 1936 | *val *= get_mult(str[len - 2]); |
02983297 | 1937 | return 0; |
02983297 JA |
1938 | } |
1939 | ||
02983297 JA |
1940 | static int check_strcnv(char *p, char *name, unsigned long long *val) |
1941 | { | |
1942 | if (!strstr(p, name)) | |
1943 | return 1; | |
1944 | ||
1945 | return str_cnv(p, val); | |
1946 | } | |
1947 | ||
99c6704f JA |
1948 | static int check_str(char *p, char *name, char *option) |
1949 | { | |
1950 | char *s = strstr(p, name); | |
1951 | ||
1952 | if (!s) | |
1953 | return 1; | |
1954 | ||
1955 | s += strlen(name); | |
1956 | if (strstr(s, option)) | |
1957 | return 0; | |
1958 | ||
1959 | return 1; | |
1960 | } | |
1961 | ||
7889f07b JA |
1962 | static int check_range(char *p, char *name, unsigned long *s, unsigned long *e) |
1963 | { | |
1964 | char str[128]; | |
1965 | char s1, s2; | |
1966 | ||
1967 | sprintf(str, "%s=%%lu%%c-%%lu%%c", name); | |
1968 | if (sscanf(p, str, s, &s1, e, &s2) == 4) { | |
1969 | *s *= get_mult(s1); | |
1970 | *e *= get_mult(s2); | |
1971 | return 0; | |
1972 | } | |
1973 | ||
1974 | sprintf(str, "%s = %%lu%%c-%%lu%%c", name); | |
1975 | if (sscanf(p, str, s, &s1, e, &s2) == 4) { | |
1976 | *s *= get_mult(s1); | |
1977 | *e *= get_mult(s2); | |
1978 | return 0; | |
1979 | } | |
1980 | ||
1981 | sprintf(str, "%s=%%lu-%%lu", name); | |
1982 | if (sscanf(p, str, s, e) == 2) | |
1983 | return 0; | |
1984 | ||
1985 | sprintf(str, "%s = %%lu-%%lu", name); | |
1986 | if (sscanf(p, str, s, e) == 2) | |
1987 | return 0; | |
1988 | ||
1989 | return 1; | |
1990 | ||
1991 | } | |
1992 | ||
5c24b2c4 | 1993 | static int check_int(char *p, char *name, unsigned int *val) |
7dd1389e JA |
1994 | { |
1995 | char str[128]; | |
1996 | ||
1997 | sprintf(str, "%s=%%d", name); | |
1998 | if (sscanf(p, str, val) == 1) | |
1999 | return 0; | |
2000 | ||
2001 | sprintf(str, "%s = %%d", name); | |
2002 | if (sscanf(p, str, val) == 1) | |
2003 | return 0; | |
2004 | ||
2005 | return 1; | |
2006 | } | |
2007 | ||
7292613b | 2008 | static int is_empty_or_comment(char *line) |
7dd1389e JA |
2009 | { |
2010 | unsigned int i; | |
2011 | ||
7292613b | 2012 | for (i = 0; i < strlen(line); i++) { |
7292613b | 2013 | if (line[i] == ';') |
47d45203 JA |
2014 | return 1; |
2015 | if (!isspace(line[i]) && !iscntrl(line[i])) | |
7292613b JA |
2016 | return 0; |
2017 | } | |
7dd1389e JA |
2018 | |
2019 | return 1; | |
2020 | } | |
2021 | ||
5c24b2c4 | 2022 | static int parse_jobs_ini(char *file) |
7dd1389e | 2023 | { |
47d45203 | 2024 | unsigned int prioclass, prio, cpu, global; |
8c033f93 | 2025 | unsigned long long ull; |
7889f07b | 2026 | unsigned long ul1, ul2; |
f737299d | 2027 | struct thread_data *td; |
7dd1389e JA |
2028 | char *string, *name; |
2029 | fpos_t off; | |
2030 | FILE *f; | |
2031 | char *p; | |
2032 | ||
2033 | f = fopen(file, "r"); | |
2034 | if (!f) { | |
2035 | perror("fopen"); | |
4240cfa1 | 2036 | return 1; |
7dd1389e JA |
2037 | } |
2038 | ||
2039 | string = malloc(4096); | |
2040 | name = malloc(256); | |
2041 | ||
7dd1389e | 2042 | while ((p = fgets(string, 4096, f)) != NULL) { |
7292613b JA |
2043 | if (is_empty_or_comment(p)) |
2044 | continue; | |
7dd1389e JA |
2045 | if (sscanf(p, "[%s]", name) != 1) |
2046 | continue; | |
2047 | ||
47d45203 JA |
2048 | global = !strncmp(name, "global", 6); |
2049 | ||
7dd1389e JA |
2050 | name[strlen(name) - 1] = '\0'; |
2051 | ||
47d45203 | 2052 | td = get_new_job(global); |
4240cfa1 JA |
2053 | if (!td) |
2054 | break; | |
f737299d | 2055 | |
7dd1389e | 2056 | prioclass = 2; |
f737299d | 2057 | prio = 4; |
7dd1389e JA |
2058 | |
2059 | fgetpos(f, &off); | |
2060 | while ((p = fgets(string, 4096, f)) != NULL) { | |
7292613b | 2061 | if (is_empty_or_comment(p)) |
e6402082 JA |
2062 | continue; |
2063 | if (strstr(p, "[")) | |
7dd1389e | 2064 | break; |
f737299d | 2065 | if (!check_int(p, "rw", &td->ddir)) { |
7dd1389e JA |
2066 | fgetpos(f, &off); |
2067 | continue; | |
2068 | } | |
2069 | if (!check_int(p, "prio", &prio)) { | |
2070 | fgetpos(f, &off); | |
2071 | continue; | |
2072 | } | |
2073 | if (!check_int(p, "prioclass", &prioclass)) { | |
2074 | fgetpos(f, &off); | |
2075 | continue; | |
2076 | } | |
f737299d | 2077 | if (!check_int(p, "direct", &td->odirect)) { |
7dd1389e JA |
2078 | fgetpos(f, &off); |
2079 | continue; | |
2080 | } | |
f737299d | 2081 | if (!check_int(p, "rate", &td->rate)) { |
7dd1389e JA |
2082 | fgetpos(f, &off); |
2083 | continue; | |
2084 | } | |
4240cfa1 JA |
2085 | if (!check_int(p, "ratemin", &td->ratemin)) { |
2086 | fgetpos(f, &off); | |
2087 | continue; | |
2088 | } | |
2089 | if (!check_int(p, "ratecycle", &td->ratecycle)) { | |
2090 | fgetpos(f, &off); | |
2091 | continue; | |
2092 | } | |
e97712ed | 2093 | if (!check_int(p, "thinktime", &td->thinktime)) { |
7dd1389e JA |
2094 | fgetpos(f, &off); |
2095 | continue; | |
2096 | } | |
18e0b78c | 2097 | if (!check_int(p, "cpumask", &cpu)) { |
f737299d | 2098 | fill_cpu_mask(td->cpumask, cpu); |
18e0b78c JA |
2099 | fgetpos(f, &off); |
2100 | continue; | |
2101 | } | |
4240cfa1 JA |
2102 | if (!check_int(p, "fsync", &td->fsync_blocks)) { |
2103 | fgetpos(f, &off); | |
2104 | continue; | |
2105 | } | |
fc24389f JA |
2106 | if (!check_int(p, "startdelay", &td->start_delay)) { |
2107 | fgetpos(f, &off); | |
2108 | continue; | |
2109 | } | |
67903a2e JA |
2110 | if (!check_int(p, "timeout", &td->timeout)) { |
2111 | fgetpos(f, &off); | |
2112 | continue; | |
2113 | } | |
b95799ca JA |
2114 | if (!check_int(p, "invalidate",&td->invalidate_cache)) { |
2115 | fgetpos(f, &off); | |
2116 | continue; | |
2117 | } | |
43000118 JA |
2118 | if (!check_int(p, "aio_depth", &td->aio_depth)) { |
2119 | fgetpos(f, &off); | |
2120 | continue; | |
2121 | } | |
74b4b5fb JA |
2122 | if (!check_int(p, "sync", &td->sync_io)) { |
2123 | fgetpos(f, &off); | |
2124 | continue; | |
2125 | } | |
1d035750 JA |
2126 | if (!check_int(p, "bwavgtime", &td->bw_avg_time)) { |
2127 | fgetpos(f, &off); | |
2128 | continue; | |
2129 | } | |
fc097bfe JA |
2130 | if (!check_int(p, "create_serialize", &td->create_serialize)) { |
2131 | fgetpos(f, &off); | |
2132 | continue; | |
2133 | } | |
2134 | if (!check_int(p, "create_fsync", &td->create_fsync)) { | |
2135 | fgetpos(f, &off); | |
2136 | continue; | |
2137 | } | |
b6794fbf JA |
2138 | if (!check_int(p, "loops", &td->loops)) { |
2139 | fgetpos(f, &off); | |
2140 | continue; | |
2141 | } | |
e8457004 JA |
2142 | if (!check_int(p, "verify", &td->verify)) { |
2143 | fgetpos(f, &off); | |
2144 | continue; | |
2145 | } | |
7889f07b | 2146 | if (!check_range(p, "bsrange", &ul1, &ul2)) { |
7f27790b JA |
2147 | if (ul1 & 511) |
2148 | printf("bad min block size, must be a multiple of 512\n"); | |
2149 | else | |
2150 | td->min_bs = ul1; | |
2151 | if (ul2 & 511) | |
2152 | printf("bad max block size, must be a multiple of 512\n"); | |
2153 | else | |
2154 | td->max_bs = ul2; | |
7889f07b JA |
2155 | fgetpos(f, &off); |
2156 | continue; | |
2157 | } | |
8c033f93 | 2158 | if (!check_strcnv(p, "bs", &ull)) { |
7f27790b JA |
2159 | if (ull & 511) |
2160 | printf("bad block size, must be a multiple of 512\n"); | |
2161 | else | |
2162 | td->bs = ull; | |
8c033f93 JA |
2163 | fgetpos(f, &off); |
2164 | continue; | |
2165 | } | |
02983297 JA |
2166 | if (!check_strcnv(p, "size", &td->file_size)) { |
2167 | fgetpos(f, &off); | |
2168 | continue; | |
2169 | } | |
2170 | if (!check_strcnv(p, "offset", &td->file_offset)) { | |
2171 | fgetpos(f, &off); | |
2172 | continue; | |
2173 | } | |
99c6704f | 2174 | if (!check_str(p, "mem", "malloc")) { |
99c6704f JA |
2175 | td->mem_type = MEM_MALLOC; |
2176 | fgetpos(f, &off); | |
2177 | continue; | |
2178 | } | |
2179 | if (!check_str(p, "mem", "shm")) { | |
99c6704f JA |
2180 | td->mem_type = MEM_SHM; |
2181 | fgetpos(f, &off); | |
2182 | continue; | |
2183 | } | |
43000118 | 2184 | if (!strncmp(p, "sequential", 10)) { |
f737299d | 2185 | td->sequential = 1; |
7dd1389e JA |
2186 | fgetpos(f, &off); |
2187 | continue; | |
2188 | } | |
43000118 | 2189 | if (!strncmp(p, "random", 6)) { |
f737299d | 2190 | td->sequential = 0; |
7dd1389e JA |
2191 | fgetpos(f, &off); |
2192 | continue; | |
2193 | } | |
43000118 JA |
2194 | if (!strncmp(p, "aio", 3)) { |
2195 | td->use_aio = 1; | |
2196 | fgetpos(f, &off); | |
2197 | continue; | |
2198 | } | |
02983297 JA |
2199 | if (!strncmp(p, "create", 6)) { |
2200 | td->create_file = 1; | |
2201 | fgetpos(f, &off); | |
2202 | continue; | |
2203 | } | |
2204 | if (!strncmp(p, "overwrite", 9)) { | |
2205 | td->overwrite = 1; | |
2206 | fgetpos(f, &off); | |
2207 | continue; | |
2208 | } | |
98dd52d6 JA |
2209 | if (!strncmp(p, "exitall", 7)) { |
2210 | exitall_on_terminate = 1; | |
2211 | fgetpos(f, &off); | |
2212 | continue; | |
2213 | } | |
2a81240d JA |
2214 | if (!strncmp(p, "stonewall", 9)) { |
2215 | td->stonewall = 1; | |
2216 | fgetpos(f, &off); | |
2217 | continue; | |
2218 | } | |
e6402082 | 2219 | printf("Client%d: bad option %s\n",td->thread_number,p); |
7dd1389e JA |
2220 | } |
2221 | fsetpos(f, &off); | |
2222 | ||
4240cfa1 JA |
2223 | if (add_job(td, name, prioclass, prio)) |
2224 | put_job(td); | |
7dd1389e JA |
2225 | } |
2226 | ||
2227 | free(string); | |
2228 | free(name); | |
fc7d63df | 2229 | fclose(f); |
4240cfa1 | 2230 | return 0; |
7dd1389e JA |
2231 | } |
2232 | ||
5c24b2c4 | 2233 | static int parse_options(int argc, char *argv[]) |
892199bd | 2234 | { |
01c4d8de | 2235 | int i; |
892199bd JA |
2236 | |
2237 | for (i = 1; i < argc; i++) { | |
2238 | char *parm = argv[i]; | |
2239 | ||
2240 | if (parm[0] != '-') | |
2241 | break; | |
2242 | ||
2243 | parm++; | |
2244 | switch (*parm) { | |
2245 | case 's': | |
2246 | parm++; | |
47d45203 | 2247 | def_thread.sequential = !!atoi(parm); |
892199bd JA |
2248 | break; |
2249 | case 'b': | |
2250 | parm++; | |
47d45203 JA |
2251 | def_thread.bs = atoi(parm); |
2252 | def_thread.bs <<= 10; | |
2253 | if (!def_thread.bs) { | |
4240cfa1 | 2254 | printf("bad block size\n"); |
47d45203 | 2255 | def_thread.bs = DEF_BS; |
4240cfa1 | 2256 | } |
892199bd JA |
2257 | break; |
2258 | case 't': | |
2259 | parm++; | |
47d45203 | 2260 | def_thread.timeout = atoi(parm); |
892199bd | 2261 | break; |
892199bd JA |
2262 | case 'r': |
2263 | parm++; | |
2264 | repeatable = !!atoi(parm); | |
2265 | break; | |
02bdd9ba JA |
2266 | case 'R': |
2267 | parm++; | |
2268 | rate_quit = !!atoi(parm); | |
2269 | break; | |
892199bd JA |
2270 | case 'o': |
2271 | parm++; | |
47d45203 | 2272 | def_thread.odirect = !!atoi(parm); |
892199bd | 2273 | break; |
7dd1389e JA |
2274 | case 'f': |
2275 | if (i + 1 >= argc) { | |
2276 | printf("-f needs file as arg\n"); | |
2277 | break; | |
2278 | } | |
2279 | ini_file = strdup(argv[i+1]); | |
a642279f | 2280 | i++; |
7dd1389e | 2281 | break; |
a0a9b35b JA |
2282 | case 'l': |
2283 | write_lat_log = 1; | |
2284 | break; | |
2285 | case 'w': | |
2286 | write_bw_log = 1; | |
2287 | break; | |
892199bd | 2288 | default: |
7dd1389e | 2289 | printf("bad option %s\n", argv[i]); |
892199bd JA |
2290 | break; |
2291 | } | |
2292 | } | |
2293 | ||
892199bd JA |
2294 | return i; |
2295 | } | |
2296 | ||
3f39453a | 2297 | static void print_thread_status(struct thread_data *td, int nr_running, |
8dbff0b1 | 2298 | int t_rate, int m_rate) |
3f39453a | 2299 | { |
3f39453a JA |
2300 | printf("Threads now running: %d", nr_running); |
2301 | if (m_rate || t_rate) | |
2302 | printf(", commitrate %d/%dKiB/sec", t_rate, m_rate); | |
8dbff0b1 JA |
2303 | printf(" : [%s]\r", run_str); |
2304 | fflush(stdout); | |
3f39453a JA |
2305 | } |
2306 | ||
40ef7f64 JA |
2307 | static void check_str_update(struct thread_data *td, int n, int t, int m) |
2308 | { | |
2309 | char c = run_str[td->thread_number - 1]; | |
2310 | ||
2311 | if (td->runstate == td->old_runstate) | |
2312 | return; | |
2313 | ||
2314 | switch (td->runstate) { | |
2315 | case TD_REAPED: | |
2316 | c = '_'; | |
2317 | break; | |
f4bb2243 JA |
2318 | case TD_EXITED: |
2319 | c = 'E'; | |
2320 | break; | |
40ef7f64 | 2321 | case TD_RUNNING: |
af678352 JA |
2322 | if (td_read(td)) { |
2323 | if (td->sequential) | |
2324 | c = 'R'; | |
2325 | else | |
2326 | c = 'r'; | |
2327 | } else { | |
2328 | if (td->sequential) | |
2329 | c = 'W'; | |
2330 | else | |
2331 | c = 'w'; | |
2332 | } | |
40ef7f64 JA |
2333 | break; |
2334 | case TD_VERIFYING: | |
2335 | c = 'V'; | |
2336 | break; | |
2337 | case TD_CREATED: | |
2338 | c = 'C'; | |
2339 | break; | |
2340 | case TD_NOT_CREATED: | |
2341 | c = 'P'; | |
2342 | break; | |
2343 | default: | |
2344 | printf("state %d\n", td->runstate); | |
2345 | } | |
2346 | ||
2347 | run_str[td->thread_number - 1] = c; | |
2348 | print_thread_status(td, n, t, m); | |
2349 | td->old_runstate = td->runstate; | |
2350 | } | |
2351 | ||
213b446c | 2352 | static void reap_threads(int *nr_running, int *t_rate, int *m_rate) |
02bdd9ba | 2353 | { |
213b446c | 2354 | int i; |
02bdd9ba | 2355 | |
3f39453a JA |
2356 | /* |
2357 | * reap exited threads (TD_EXITED -> TD_REAPED) | |
2358 | */ | |
02bdd9ba JA |
2359 | for (i = 0; i < thread_number; i++) { |
2360 | struct thread_data *td = &threads[i]; | |
2361 | ||
40ef7f64 JA |
2362 | check_str_update(td, *nr_running, *t_rate, *m_rate); |
2363 | ||
213b446c JA |
2364 | if (td->runstate != TD_EXITED) |
2365 | continue; | |
02bdd9ba | 2366 | |
40ef7f64 | 2367 | td_set_runstate(td, TD_REAPED); |
213b446c JA |
2368 | waitpid(td->pid, NULL, 0); |
2369 | (*nr_running)--; | |
2370 | (*m_rate) -= td->ratemin; | |
2371 | (*t_rate) -= td->rate; | |
40ef7f64 | 2372 | check_str_update(td, *nr_running, *t_rate, *m_rate); |
e6402082 JA |
2373 | |
2374 | if (td->terminate) | |
2375 | continue; | |
213b446c | 2376 | } |
02bdd9ba JA |
2377 | } |
2378 | ||
fc24389f JA |
2379 | static void run_threads(char *argv[]) |
2380 | { | |
be33abe4 | 2381 | struct timeval genesis; |
fc24389f JA |
2382 | struct thread_data *td; |
2383 | unsigned long spent; | |
2a81240d | 2384 | int i, todo, nr_running, m_rate, t_rate, nr_started; |
fc24389f | 2385 | |
fc24389f JA |
2386 | printf("Starting %d threads\n", thread_number); |
2387 | fflush(stdout); | |
2388 | ||
7292613b JA |
2389 | signal(SIGINT, sig_handler); |
2390 | ||
fc24389f | 2391 | todo = thread_number; |
02bdd9ba | 2392 | nr_running = 0; |
2a81240d | 2393 | nr_started = 0; |
213b446c | 2394 | m_rate = t_rate = 0; |
fc24389f | 2395 | |
8bdcfab5 JA |
2396 | for (i = 0; i < thread_number; i++) { |
2397 | td = &threads[i]; | |
2398 | ||
fc097bfe JA |
2399 | if (!td->create_serialize) |
2400 | continue; | |
2401 | ||
8bdcfab5 JA |
2402 | /* |
2403 | * do file setup here so it happens sequentially, | |
2404 | * we don't want X number of threads getting their | |
2405 | * client data interspersed on disk | |
2406 | */ | |
2407 | if (setup_file(td)) { | |
40ef7f64 | 2408 | td_set_runstate(td, TD_REAPED); |
8bdcfab5 JA |
2409 | todo--; |
2410 | } | |
2411 | } | |
2412 | ||
2413 | gettimeofday(&genesis, NULL); | |
2414 | ||
213b446c | 2415 | while (todo) { |
3f39453a JA |
2416 | /* |
2417 | * create threads (TD_NOT_CREATED -> TD_CREATED) | |
2418 | */ | |
fc24389f JA |
2419 | for (i = 0; i < thread_number; i++) { |
2420 | td = &threads[i]; | |
2421 | ||
02bdd9ba | 2422 | if (td->runstate != TD_NOT_CREATED) |
fc24389f JA |
2423 | continue; |
2424 | ||
213b446c JA |
2425 | /* |
2426 | * never got a chance to start, killed by other | |
2427 | * thread for some reason | |
2428 | */ | |
2429 | if (td->terminate) { | |
2430 | todo--; | |
2431 | continue; | |
2432 | } | |
2433 | ||
fc24389f | 2434 | if (td->start_delay) { |
be33abe4 | 2435 | spent = mtime_since_now(&genesis); |
fc24389f JA |
2436 | |
2437 | if (td->start_delay * 1000 > spent) | |
2438 | continue; | |
2439 | } | |
2440 | ||
2a81240d JA |
2441 | if (td->stonewall && (nr_started || nr_running)) |
2442 | continue; | |
2443 | ||
40ef7f64 JA |
2444 | td_set_runstate(td, TD_CREATED); |
2445 | check_str_update(td, nr_running, t_rate, m_rate); | |
fc24389f JA |
2446 | sem_init(&startup_sem, 1, 1); |
2447 | todo--; | |
2a81240d | 2448 | nr_started++; |
fc24389f JA |
2449 | |
2450 | if (fork()) | |
2451 | sem_wait(&startup_sem); | |
2452 | else { | |
2453 | thread_main(shm_id, i, argv); | |
2454 | exit(0); | |
2455 | } | |
2456 | } | |
2457 | ||
3f39453a | 2458 | /* |
e8457004 | 2459 | * start created threads (TD_CREATED -> TD_RUNNING) |
3f39453a | 2460 | */ |
fc24389f JA |
2461 | for (i = 0; i < thread_number; i++) { |
2462 | struct thread_data *td = &threads[i]; | |
2463 | ||
3f39453a JA |
2464 | if (td->runstate != TD_CREATED) |
2465 | continue; | |
2466 | ||
40ef7f64 | 2467 | td_set_runstate(td, TD_RUNNING); |
3f39453a | 2468 | nr_running++; |
2a81240d | 2469 | nr_started--; |
3f39453a JA |
2470 | m_rate += td->ratemin; |
2471 | t_rate += td->rate; | |
40ef7f64 | 2472 | check_str_update(td, nr_running, t_rate, m_rate); |
3f39453a | 2473 | sem_post(&td->mutex); |
fc24389f JA |
2474 | } |
2475 | ||
e8457004 JA |
2476 | for (i = 0; i < thread_number; i++) { |
2477 | struct thread_data *td = &threads[i]; | |
2478 | ||
2479 | if (td->runstate == TD_RUNNING) | |
2480 | run_str[td->thread_number - 1] = '+'; | |
2481 | else if (td->runstate == TD_VERIFYING) | |
2482 | run_str[td->thread_number - 1] = 'V'; | |
2483 | else | |
2484 | continue; | |
2485 | ||
40ef7f64 | 2486 | check_str_update(td, nr_running, t_rate, m_rate); |
e8457004 JA |
2487 | } |
2488 | ||
213b446c | 2489 | reap_threads(&nr_running, &t_rate, &m_rate); |
02bdd9ba | 2490 | |
fc24389f JA |
2491 | if (todo) |
2492 | usleep(100000); | |
2493 | } | |
02bdd9ba JA |
2494 | |
2495 | while (nr_running) { | |
213b446c | 2496 | reap_threads(&nr_running, &t_rate, &m_rate); |
02bdd9ba JA |
2497 | usleep(10000); |
2498 | } | |
fc24389f JA |
2499 | } |
2500 | ||
8867c0a8 | 2501 | int setup_thread_area(void) |
892199bd | 2502 | { |
8867c0a8 JA |
2503 | /* |
2504 | * 1024 is too much on some machines, scale max_jobs if | |
2505 | * we get a failure that looks like too large a shm segment | |
2506 | */ | |
2507 | do { | |
2508 | int s = max_jobs * sizeof(struct thread_data); | |
18e0b78c | 2509 | |
8867c0a8 JA |
2510 | shm_id = shmget(0, s, IPC_CREAT | 0600); |
2511 | if (shm_id != -1) | |
2512 | break; | |
2513 | if (errno != EINVAL) { | |
2514 | perror("shmget"); | |
2515 | break; | |
2516 | } | |
2517 | ||
2518 | max_jobs >>= 1; | |
d4fac444 | 2519 | } while (max_jobs); |
8867c0a8 JA |
2520 | |
2521 | if (shm_id == -1) | |
892199bd | 2522 | return 1; |
892199bd JA |
2523 | |
2524 | threads = shmat(shm_id, NULL, 0); | |
8867c0a8 | 2525 | if (threads == (void *) -1) { |
86184d14 JA |
2526 | perror("shmat"); |
2527 | return 1; | |
2528 | } | |
892199bd JA |
2529 | |
2530 | atexit(free_shm); | |
8867c0a8 JA |
2531 | return 0; |
2532 | } | |
2533 | ||
2534 | int main(int argc, char *argv[]) | |
2535 | { | |
8c033f93 | 2536 | static unsigned long max_run[2], min_run[2]; |
57d753e3 | 2537 | static unsigned long max_bw[2], min_bw[2]; |
22334044 | 2538 | static unsigned long io_mb[2], agg[2]; |
8867c0a8 JA |
2539 | int i; |
2540 | ||
2541 | if (setup_thread_area()) | |
2542 | return 1; | |
892199bd | 2543 | |
47d45203 | 2544 | if (sched_getaffinity(getpid(), sizeof(cpu_set_t), &def_thread.cpumask) == -1) { |
4240cfa1 JA |
2545 | perror("sched_getaffinity"); |
2546 | return 1; | |
2547 | } | |
2548 | ||
47d45203 JA |
2549 | /* |
2550 | * fill globals | |
2551 | */ | |
2552 | def_thread.ddir = DDIR_READ; | |
2553 | def_thread.bs = DEF_BS; | |
7889f07b JA |
2554 | def_thread.min_bs = -1; |
2555 | def_thread.max_bs = -1; | |
02983297 | 2556 | def_thread.odirect = DEF_ODIRECT; |
47d45203 | 2557 | def_thread.ratecycle = DEF_RATE_CYCLE; |
02983297 | 2558 | def_thread.sequential = DEF_SEQUENTIAL; |
47d45203 | 2559 | def_thread.timeout = DEF_TIMEOUT; |
02983297 JA |
2560 | def_thread.create_file = DEF_CREATE; |
2561 | def_thread.overwrite = DEF_OVERWRITE; | |
b95799ca | 2562 | def_thread.invalidate_cache = DEF_INVALIDATE; |
99c6704f JA |
2563 | def_thread.sync_io = DEF_SYNCIO; |
2564 | def_thread.mem_type = MEM_MALLOC; | |
1d035750 | 2565 | def_thread.bw_avg_time = DEF_BWAVGTIME; |
fc097bfe JA |
2566 | def_thread.create_serialize = DEF_CREATE_SER; |
2567 | def_thread.create_fsync = DEF_CREATE_FSYNC; | |
b6794fbf | 2568 | def_thread.loops = DEF_LOOPS; |
cfc702bd | 2569 | def_thread.verify = DEF_VERIFY; |
2a81240d | 2570 | def_thread.stonewall = DEF_STONEWALL; |
47d45203 | 2571 | |
892199bd | 2572 | i = parse_options(argc, argv); |
7dd1389e | 2573 | |
5961d92c JA |
2574 | if (!ini_file) { |
2575 | printf("Need job file\n"); | |
2576 | return 1; | |
2577 | } | |
2578 | ||
2579 | if (parse_jobs_ini(ini_file)) | |
2580 | return 1; | |
7dd1389e | 2581 | |
4240cfa1 JA |
2582 | if (!thread_number) { |
2583 | printf("Nothing to do\n"); | |
2584 | return 1; | |
2585 | } | |
7dd1389e | 2586 | |
fc24389f | 2587 | run_threads(argv); |
892199bd | 2588 | |
892199bd JA |
2589 | min_bw[0] = min_run[0] = ~0UL; |
2590 | min_bw[1] = min_run[1] = ~0UL; | |
22334044 JA |
2591 | io_mb[0] = io_mb[1] = 0; |
2592 | agg[0] = agg[1] = 0; | |
892199bd JA |
2593 | for (i = 0; i < thread_number; i++) { |
2594 | struct thread_data *td = &threads[i]; | |
2595 | unsigned long bw = 0; | |
2596 | ||
22334044 JA |
2597 | if (!td->error) { |
2598 | if (td->runtime < min_run[td->ddir]) | |
2599 | min_run[td->ddir] = td->runtime; | |
2600 | if (td->runtime > max_run[td->ddir]) | |
2601 | max_run[td->ddir] = td->runtime; | |
892199bd | 2602 | |
892199bd | 2603 | if (td->runtime) |
49d2caab | 2604 | bw = td->io_bytes / td->runtime; |
22334044 JA |
2605 | if (bw < min_bw[td->ddir]) |
2606 | min_bw[td->ddir] = bw; | |
2607 | if (bw > max_bw[td->ddir]) | |
2608 | max_bw[td->ddir] = bw; | |
2609 | ||
49d2caab | 2610 | io_mb[td->ddir] += td->io_bytes >> 20; |
892199bd JA |
2611 | } |
2612 | ||
2613 | show_thread_status(td); | |
2614 | } | |
22334044 JA |
2615 | |
2616 | if (max_run[0]) | |
49d2caab | 2617 | agg[0] = (io_mb[0] * 1024 * 1000) / max_run[0]; |
22334044 | 2618 | if (max_run[1]) |
49d2caab | 2619 | agg[1] = (io_mb[1] * 1024 * 1000) / max_run[1]; |
22334044 | 2620 | |
57d753e3 | 2621 | printf("\nRun status:\n"); |
892199bd | 2622 | if (max_run[DDIR_READ]) |
22334044 | 2623 | 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 | 2624 | if (max_run[DDIR_WRITE]) |
22334044 | 2625 | 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 | 2626 | |
892199bd JA |
2627 | return 0; |
2628 | } |