Commit | Line | Data |
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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 | |
fd11d7af | 47 | #include "arch.h" |
2c83567e | 48 | #include "list.h" |
e8457004 | 49 | #include "md5.h" |
2c83567e | 50 | |
c94deb1c JA |
51 | #ifndef BLKGETSIZE64 |
52 | #define BLKGETSIZE64 _IOR(0x12,114,size_t) | |
53 | #endif | |
54 | ||
4240cfa1 JA |
55 | #define MAX_JOBS (1024) |
56 | ||
892199bd JA |
57 | static int ioprio_set(int which, int who, int ioprio) |
58 | { | |
59 | return syscall(__NR_ioprio_set, which, who, ioprio); | |
60 | } | |
61 | ||
b95799ca JA |
62 | /* |
63 | * we want fadvise64 really, but it's so tangled... later | |
64 | */ | |
65 | static int fadvise(int fd, loff_t offset, size_t len, int advice) | |
66 | { | |
67 | #if 0 | |
68 | return syscall(__NR_fadvise64, fd, offset, offset >> 32, len, advice); | |
69 | #else | |
70 | return posix_fadvise(fd, (off_t) offset, len, advice); | |
71 | #endif | |
72 | } | |
73 | ||
892199bd JA |
74 | enum { |
75 | IOPRIO_WHO_PROCESS = 1, | |
76 | IOPRIO_WHO_PGRP, | |
77 | IOPRIO_WHO_USER, | |
78 | }; | |
79 | ||
80 | #define IOPRIO_CLASS_SHIFT 13 | |
81 | ||
892199bd JA |
82 | #define MASK (4095) |
83 | ||
4240cfa1 | 84 | #define DEF_BS (4096) |
01f79976 | 85 | #define DEF_TIMEOUT (0) |
4240cfa1 JA |
86 | #define DEF_RATE_CYCLE (1000) |
87 | #define DEF_ODIRECT (1) | |
88 | #define DEF_SEQUENTIAL (1) | |
4240cfa1 | 89 | #define DEF_RAND_REPEAT (1) |
02983297 JA |
90 | #define DEF_OVERWRITE (0) |
91 | #define DEF_CREATE (1) | |
b95799ca | 92 | #define DEF_INVALIDATE (1) |
99c6704f | 93 | #define DEF_SYNCIO (0) |
eb39963f | 94 | #define DEF_RANDSEED (0xb1899bedUL) |
1d035750 | 95 | #define DEF_BWAVGTIME (500) |
fc097bfe JA |
96 | #define DEF_CREATE_SER (1) |
97 | #define DEF_CREATE_FSYNC (1) | |
b6794fbf | 98 | #define DEF_LOOPS (1) |
cfc702bd | 99 | #define DEF_VERIFY (0) |
2a81240d | 100 | #define DEF_STONEWALL (0) |
4240cfa1 JA |
101 | |
102 | #define ALIGN(buf) (char *) (((unsigned long) (buf) + MASK) & ~(MASK)) | |
892199bd | 103 | |
4240cfa1 | 104 | static int repeatable = DEF_RAND_REPEAT; |
02bdd9ba | 105 | static int rate_quit = 1; |
a0a9b35b JA |
106 | static int write_lat_log; |
107 | static int write_bw_log; | |
98dd52d6 | 108 | static int exitall_on_terminate; |
892199bd | 109 | |
892199bd | 110 | static int thread_number; |
7dd1389e | 111 | static char *ini_file; |
892199bd | 112 | |
8867c0a8 JA |
113 | static int max_jobs = MAX_JOBS; |
114 | ||
8dbff0b1 JA |
115 | static char run_str[MAX_JOBS + 1]; |
116 | ||
892199bd JA |
117 | static int shm_id; |
118 | ||
4240cfa1 JA |
119 | enum { |
120 | DDIR_READ = 0, | |
121 | DDIR_WRITE, | |
122 | }; | |
892199bd | 123 | |
02bdd9ba JA |
124 | /* |
125 | * thread life cycle | |
126 | */ | |
127 | enum { | |
128 | TD_NOT_CREATED = 0, | |
129 | TD_CREATED, | |
e8457004 JA |
130 | TD_RUNNING, |
131 | TD_VERIFYING, | |
02bdd9ba JA |
132 | TD_EXITED, |
133 | TD_REAPED, | |
134 | }; | |
135 | ||
99c6704f JA |
136 | enum { |
137 | MEM_MALLOC, | |
138 | MEM_SHM, | |
139 | }; | |
140 | ||
2c83567e JA |
141 | /* |
142 | * The io unit | |
143 | */ | |
144 | struct io_u { | |
145 | struct iocb iocb; | |
57d753e3 | 146 | struct timeval start_time; |
2c83567e JA |
147 | struct timeval issue_time; |
148 | ||
2c83567e JA |
149 | char *buf; |
150 | unsigned int buflen; | |
4ac89145 | 151 | unsigned long long offset; |
2c83567e JA |
152 | |
153 | struct list_head list; | |
154 | }; | |
155 | ||
57d753e3 JA |
156 | struct io_stat { |
157 | unsigned long val; | |
158 | unsigned long val_sq; | |
159 | unsigned long max_val; | |
160 | unsigned long min_val; | |
161 | unsigned long samples; | |
162 | }; | |
163 | ||
a0a9b35b JA |
164 | struct io_sample { |
165 | unsigned long time; | |
166 | unsigned long val; | |
167 | }; | |
168 | ||
169 | struct io_log { | |
170 | unsigned long nr_samples; | |
171 | unsigned long max_samples; | |
172 | struct io_sample *log; | |
173 | }; | |
174 | ||
645785e5 JA |
175 | struct io_piece { |
176 | struct list_head list; | |
177 | unsigned long long offset; | |
178 | unsigned int len; | |
179 | }; | |
180 | ||
e8457004 JA |
181 | #define FIO_HDR_MAGIC 0xf00baaef |
182 | ||
183 | struct verify_header { | |
184 | unsigned int fio_magic; | |
185 | unsigned int len; | |
186 | char md5_digest[MD5_HASH_WORDS * 4]; | |
187 | }; | |
188 | ||
02983297 | 189 | #define td_read(td) ((td)->ddir == DDIR_READ) |
62bb4285 JA |
190 | #define td_write(td) ((td)->ddir == DDIR_WRITE) |
191 | #define should_fsync(td) (td_write(td) && !(td)->odirect) | |
02983297 | 192 | |
49d2caab | 193 | #define BLOCKS_PER_MAP (8 * sizeof(long)) |
75b2ab2c JA |
194 | #define TO_MAP_BLOCK(td, b) ((b) - ((td)->file_offset / (td)->min_bs)) |
195 | #define RAND_MAP_IDX(td, b) (TO_MAP_BLOCK(td, b) / BLOCKS_PER_MAP) | |
196 | #define RAND_MAP_BIT(td, b) (TO_MAP_BLOCK(td, b) & (BLOCKS_PER_MAP - 1)) | |
49d2caab | 197 | |
892199bd JA |
198 | struct thread_data { |
199 | char file_name[256]; | |
200 | int thread_number; | |
201 | int error; | |
202 | int fd; | |
892199bd | 203 | pid_t pid; |
6b71c826 | 204 | char *orig_buffer; |
4240cfa1 | 205 | volatile int terminate; |
02bdd9ba | 206 | volatile int runstate; |
40ef7f64 | 207 | volatile int old_runstate; |
f737299d JA |
208 | unsigned int ddir; |
209 | unsigned int ioprio; | |
210 | unsigned int sequential; | |
211 | unsigned int bs; | |
8c033f93 JA |
212 | unsigned int min_bs; |
213 | unsigned int max_bs; | |
f737299d | 214 | unsigned int odirect; |
e97712ed | 215 | unsigned int thinktime; |
4240cfa1 | 216 | unsigned int fsync_blocks; |
fc24389f | 217 | unsigned int start_delay; |
47d45203 | 218 | unsigned int timeout; |
43000118 | 219 | unsigned int use_aio; |
02983297 JA |
220 | unsigned int create_file; |
221 | unsigned int overwrite; | |
b95799ca | 222 | unsigned int invalidate_cache; |
1d035750 | 223 | unsigned int bw_avg_time; |
fc097bfe JA |
224 | unsigned int create_serialize; |
225 | unsigned int create_fsync; | |
b6794fbf | 226 | unsigned int loops; |
02983297 JA |
227 | unsigned long long file_size; |
228 | unsigned long long file_offset; | |
74b4b5fb | 229 | unsigned int sync_io; |
99c6704f | 230 | unsigned int mem_type; |
cfc702bd | 231 | unsigned int verify; |
2a81240d | 232 | unsigned int stonewall; |
18e0b78c | 233 | cpu_set_t cpumask; |
86184d14 | 234 | |
7889f07b | 235 | struct drand48_data bsrange_state; |
e8457004 | 236 | struct drand48_data verify_state; |
7889f07b | 237 | |
99c6704f JA |
238 | int shm_id; |
239 | ||
63a09e51 JA |
240 | off_t cur_off; |
241 | ||
254605cd | 242 | io_context_t aio_ctx; |
43000118 | 243 | unsigned int aio_depth; |
43000118 | 244 | struct io_event *aio_events; |
2c83567e JA |
245 | |
246 | unsigned int cur_depth; | |
247 | struct list_head io_u_freelist; | |
248 | struct list_head io_u_busylist; | |
43000118 | 249 | |
7dd1389e | 250 | unsigned int rate; |
4240cfa1 JA |
251 | unsigned int ratemin; |
252 | unsigned int ratecycle; | |
253 | unsigned long rate_usec_cycle; | |
254 | long rate_pending_usleep; | |
49d2caab | 255 | unsigned long rate_bytes; |
4240cfa1 | 256 | struct timeval lastrate; |
86184d14 | 257 | |
892199bd | 258 | unsigned long runtime; /* sec */ |
49d2caab | 259 | unsigned long long io_size; |
e2ba35d9 | 260 | |
4240cfa1 | 261 | unsigned long io_blocks; |
49d2caab JA |
262 | unsigned long io_bytes; |
263 | unsigned long this_io_bytes; | |
264 | unsigned long last_bytes; | |
892199bd | 265 | sem_t mutex; |
49d2caab | 266 | |
892199bd | 267 | struct drand48_data random_state; |
49d2caab JA |
268 | unsigned long *file_map; |
269 | unsigned int num_maps; | |
892199bd JA |
270 | |
271 | /* | |
e128065d | 272 | * bandwidth and latency stats |
892199bd | 273 | */ |
57d753e3 JA |
274 | struct io_stat clat_stat; /* completion latency */ |
275 | struct io_stat slat_stat; /* submission latency */ | |
276 | ||
277 | struct io_stat bw_stat; /* bandwidth stats */ | |
49d2caab | 278 | unsigned long stat_io_bytes; |
fd1ae4c9 | 279 | struct timeval stat_sample_time; |
4240cfa1 | 280 | |
a0a9b35b JA |
281 | struct io_log *lat_log; |
282 | struct io_log *bw_log; | |
283 | ||
4240cfa1 | 284 | struct timeval start; |
92b229ed JA |
285 | struct rusage ru_start; |
286 | struct rusage ru_end; | |
645785e5 JA |
287 | |
288 | struct list_head io_hist_list; | |
892199bd JA |
289 | }; |
290 | ||
291 | static struct thread_data *threads; | |
47d45203 | 292 | static struct thread_data def_thread; |
892199bd JA |
293 | |
294 | static sem_t startup_sem; | |
295 | ||
5c24b2c4 | 296 | static void sig_handler(int sig) |
892199bd JA |
297 | { |
298 | int i; | |
299 | ||
213b446c JA |
300 | for (i = 0; i < thread_number; i++) { |
301 | struct thread_data *td = &threads[i]; | |
302 | ||
303 | td->terminate = 1; | |
304 | td->start_delay = 0; | |
305 | } | |
02bdd9ba JA |
306 | } |
307 | ||
e8457004 | 308 | static int init_random_state(struct thread_data *td) |
946d8870 | 309 | { |
e8457004 | 310 | unsigned long seed; |
49d2caab | 311 | int fd, num_maps, blocks; |
946d8870 | 312 | |
e8457004 JA |
313 | fd = open("/dev/random", O_RDONLY); |
314 | if (fd == -1) { | |
315 | td->error = errno; | |
316 | return 1; | |
946d8870 JA |
317 | } |
318 | ||
e8457004 JA |
319 | if (read(fd, &seed, sizeof(seed)) < (int) sizeof(seed)) { |
320 | td->error = EIO; | |
321 | close(fd); | |
322 | return 1; | |
946d8870 JA |
323 | } |
324 | ||
e8457004 | 325 | close(fd); |
7889f07b JA |
326 | |
327 | srand48_r(seed, &td->bsrange_state); | |
e8457004 | 328 | srand48_r(seed, &td->verify_state); |
892199bd JA |
329 | |
330 | if (td->sequential) | |
331 | return 0; | |
332 | ||
e8457004 JA |
333 | if (repeatable) |
334 | seed = DEF_RANDSEED; | |
892199bd | 335 | |
49d2caab JA |
336 | blocks = (td->io_size + td->min_bs - 1) / td->min_bs; |
337 | num_maps = blocks / BLOCKS_PER_MAP; | |
338 | td->file_map = malloc(num_maps * sizeof(long)); | |
339 | td->num_maps = num_maps; | |
340 | memset(td->file_map, 0, num_maps * sizeof(long)); | |
341 | ||
892199bd JA |
342 | srand48_r(seed, &td->random_state); |
343 | return 0; | |
344 | } | |
345 | ||
5c24b2c4 | 346 | static unsigned long utime_since(struct timeval *s, struct timeval *e) |
892199bd JA |
347 | { |
348 | double sec, usec; | |
349 | ||
350 | sec = e->tv_sec - s->tv_sec; | |
351 | usec = e->tv_usec - s->tv_usec; | |
352 | if (sec > 0 && usec < 0) { | |
353 | sec--; | |
354 | usec += 1000000; | |
355 | } | |
356 | ||
357 | sec *= (double) 1000000; | |
358 | ||
359 | return sec + usec; | |
360 | } | |
361 | ||
fd11d7af JA |
362 | static unsigned long utime_since_now(struct timeval *s) |
363 | { | |
364 | struct timeval t; | |
365 | ||
366 | gettimeofday(&t, NULL); | |
367 | return utime_since(s, &t); | |
368 | } | |
369 | ||
5c24b2c4 | 370 | static unsigned long mtime_since(struct timeval *s, struct timeval *e) |
892199bd JA |
371 | { |
372 | double sec, usec; | |
373 | ||
374 | sec = e->tv_sec - s->tv_sec; | |
375 | usec = e->tv_usec - s->tv_usec; | |
376 | if (sec > 0 && usec < 0) { | |
377 | sec--; | |
378 | usec += 1000000; | |
379 | } | |
380 | ||
381 | sec *= (double) 1000; | |
382 | usec /= (double) 1000; | |
383 | ||
384 | return sec + usec; | |
385 | } | |
386 | ||
be33abe4 JA |
387 | static unsigned long mtime_since_now(struct timeval *s) |
388 | { | |
389 | struct timeval t; | |
390 | ||
391 | gettimeofday(&t, NULL); | |
392 | return mtime_since(s, &t); | |
393 | } | |
394 | ||
98168d55 JA |
395 | static inline unsigned long msec_now(struct timeval *s) |
396 | { | |
397 | return s->tv_sec * 1000 + s->tv_usec / 1000; | |
398 | } | |
399 | ||
49d2caab JA |
400 | static int random_map_free(struct thread_data *td, unsigned long long block) |
401 | { | |
75b2ab2c JA |
402 | unsigned int idx = RAND_MAP_IDX(td, block); |
403 | unsigned int bit = RAND_MAP_BIT(td, block); | |
49d2caab JA |
404 | |
405 | return (td->file_map[idx] & (1UL << bit)) == 0; | |
406 | } | |
407 | ||
408 | static int get_next_free_block(struct thread_data *td, unsigned long long *b) | |
892199bd | 409 | { |
49d2caab JA |
410 | int i; |
411 | ||
412 | *b = 0; | |
413 | i = 0; | |
414 | while ((*b) * td->min_bs < td->io_size) { | |
415 | if (td->file_map[i] != -1UL) { | |
416 | *b += ffz(td->file_map[i]); | |
417 | return 0; | |
418 | } | |
419 | ||
420 | *b += BLOCKS_PER_MAP; | |
421 | i++; | |
422 | } | |
423 | ||
424 | return 1; | |
425 | } | |
426 | ||
427 | static void mark_random_map(struct thread_data *td, struct io_u *io_u) | |
428 | { | |
429 | unsigned long block = io_u->offset / td->min_bs; | |
430 | unsigned int blocks = 0; | |
431 | ||
432 | while (blocks < (io_u->buflen / td->min_bs)) { | |
433 | int idx, bit; | |
434 | ||
435 | if (!random_map_free(td, block)) | |
436 | break; | |
437 | ||
75b2ab2c JA |
438 | idx = RAND_MAP_IDX(td, block); |
439 | bit = RAND_MAP_BIT(td, block); | |
49d2caab JA |
440 | |
441 | assert(idx < td->num_maps); | |
442 | ||
443 | td->file_map[idx] |= (1UL << bit); | |
444 | block++; | |
445 | blocks++; | |
446 | } | |
447 | ||
448 | if ((blocks * td->min_bs) < io_u->buflen) | |
449 | io_u->buflen = blocks * td->min_bs; | |
450 | } | |
451 | ||
452 | static int get_next_offset(struct thread_data *td, unsigned long long *offset) | |
453 | { | |
75b2ab2c | 454 | unsigned long long b, rb; |
d32d9284 | 455 | long r; |
892199bd JA |
456 | |
457 | if (!td->sequential) { | |
49d2caab JA |
458 | unsigned long max_blocks = td->io_size / td->min_bs; |
459 | int loops = 50; | |
460 | ||
461 | do { | |
462 | lrand48_r(&td->random_state, &r); | |
463 | b = ((max_blocks - 1) * r / (RAND_MAX+1.0)); | |
75b2ab2c | 464 | rb = b + (td->file_offset / td->min_bs); |
49d2caab | 465 | loops--; |
75b2ab2c | 466 | } while (!random_map_free(td, rb) && loops); |
49d2caab JA |
467 | |
468 | if (!loops) { | |
469 | if (get_next_free_block(td, &b)) | |
470 | return 1; | |
471 | } | |
7889f07b | 472 | } else |
49d2caab | 473 | b = td->last_bytes / td->min_bs; |
7889f07b | 474 | |
49d2caab | 475 | *offset = (b * td->min_bs) + td->file_offset; |
75b2ab2c JA |
476 | if (*offset > td->file_size) |
477 | return 1; | |
478 | ||
49d2caab | 479 | return 0; |
7889f07b JA |
480 | } |
481 | ||
482 | static unsigned int get_next_buflen(struct thread_data *td) | |
483 | { | |
484 | unsigned int buflen; | |
d32d9284 | 485 | long r; |
7889f07b JA |
486 | |
487 | if (td->min_bs == td->max_bs) | |
488 | buflen = td->min_bs; | |
489 | else { | |
d32d9284 | 490 | lrand48_r(&td->bsrange_state, &r); |
7889f07b JA |
491 | buflen = (1 + (double) (td->max_bs - 1) * r / (RAND_MAX + 1.0)); |
492 | buflen = (buflen + td->min_bs - 1) & ~(td->min_bs - 1); | |
892199bd JA |
493 | } |
494 | ||
49d2caab JA |
495 | if (buflen > td->io_size - td->this_io_bytes) |
496 | buflen = td->io_size - td->this_io_bytes; | |
7889f07b | 497 | |
7889f07b | 498 | return buflen; |
892199bd JA |
499 | } |
500 | ||
57d753e3 JA |
501 | static inline void add_stat_sample(struct thread_data *td, struct io_stat *is, |
502 | unsigned long val) | |
892199bd | 503 | { |
57d753e3 JA |
504 | if (val > is->max_val) |
505 | is->max_val = val; | |
506 | if (val < is->min_val) | |
507 | is->min_val = val; | |
508 | ||
509 | is->val += val; | |
510 | is->val_sq += val * val; | |
511 | is->samples++; | |
512 | } | |
fd1ae4c9 | 513 | |
a0a9b35b JA |
514 | static void add_log_sample(struct thread_data *td, struct io_log *log, |
515 | unsigned long val) | |
516 | { | |
517 | if (log->nr_samples == log->max_samples) { | |
518 | int new_size = sizeof(struct io_sample) * log->max_samples * 2; | |
519 | ||
520 | log->log = realloc(log->log, new_size); | |
521 | log->max_samples <<= 1; | |
522 | } | |
523 | ||
524 | log->log[log->nr_samples].val = val; | |
525 | log->log[log->nr_samples].time = mtime_since_now(&td->start); | |
526 | log->nr_samples++; | |
527 | } | |
528 | ||
57d753e3 JA |
529 | static void add_clat_sample(struct thread_data *td, unsigned long msec) |
530 | { | |
531 | add_stat_sample(td, &td->clat_stat, msec); | |
a0a9b35b JA |
532 | |
533 | if (td->lat_log) | |
534 | add_log_sample(td, td->lat_log, msec); | |
57d753e3 | 535 | } |
fd1ae4c9 | 536 | |
57d753e3 JA |
537 | static void add_slat_sample(struct thread_data *td, unsigned long msec) |
538 | { | |
539 | add_stat_sample(td, &td->slat_stat, msec); | |
540 | } | |
fd1ae4c9 | 541 | |
645785e5 | 542 | static void add_bw_sample(struct thread_data *td) |
57d753e3 JA |
543 | { |
544 | unsigned long spent = mtime_since_now(&td->stat_sample_time); | |
545 | unsigned long rate; | |
546 | ||
1d035750 | 547 | if (spent < td->bw_avg_time) |
57d753e3 JA |
548 | return; |
549 | ||
49d2caab | 550 | rate = (td->this_io_bytes - td->stat_io_bytes) / spent; |
57d753e3 JA |
551 | add_stat_sample(td, &td->bw_stat, rate); |
552 | ||
a0a9b35b JA |
553 | if (td->bw_log) |
554 | add_log_sample(td, td->bw_log, rate); | |
555 | ||
57d753e3 | 556 | gettimeofday(&td->stat_sample_time, NULL); |
49d2caab | 557 | td->stat_io_bytes = td->this_io_bytes; |
892199bd JA |
558 | } |
559 | ||
fd11d7af JA |
560 | /* |
561 | * busy looping version for the last few usec | |
562 | */ | |
563 | static void __usec_sleep(int usec) | |
564 | { | |
565 | struct timeval start; | |
566 | ||
567 | gettimeofday(&start, NULL); | |
568 | while (utime_since_now(&start) < usec) | |
569 | __asm__ __volatile__("rep;nop": : :"memory"); | |
570 | } | |
571 | ||
5c24b2c4 | 572 | static void usec_sleep(int usec) |
892199bd | 573 | { |
86184d14 JA |
574 | struct timespec req = { .tv_sec = 0, .tv_nsec = usec * 1000 }; |
575 | struct timespec rem; | |
892199bd JA |
576 | |
577 | do { | |
fd11d7af JA |
578 | if (usec < 5000) { |
579 | __usec_sleep(usec); | |
580 | break; | |
581 | } | |
86184d14 JA |
582 | rem.tv_sec = rem.tv_nsec = 0; |
583 | nanosleep(&req, &rem); | |
584 | if (!rem.tv_nsec) | |
892199bd | 585 | break; |
86184d14 JA |
586 | |
587 | req.tv_nsec = rem.tv_nsec; | |
fd11d7af | 588 | usec = rem.tv_nsec * 1000; |
892199bd JA |
589 | } while (1); |
590 | } | |
591 | ||
9e850933 JA |
592 | static void rate_throttle(struct thread_data *td, unsigned long time_spent, |
593 | unsigned int bytes) | |
86184d14 | 594 | { |
9e850933 JA |
595 | unsigned long usec_cycle; |
596 | ||
4240cfa1 JA |
597 | if (!td->rate) |
598 | return; | |
599 | ||
9e850933 JA |
600 | usec_cycle = td->rate_usec_cycle * (bytes / td->min_bs); |
601 | ||
602 | if (time_spent < usec_cycle) { | |
603 | unsigned long s = usec_cycle - time_spent; | |
86184d14 JA |
604 | |
605 | td->rate_pending_usleep += s; | |
fad86e6a | 606 | if (td->rate_pending_usleep >= 100000) { |
86184d14 JA |
607 | usec_sleep(td->rate_pending_usleep); |
608 | td->rate_pending_usleep = 0; | |
609 | } | |
4240cfa1 | 610 | } else { |
9e850933 | 611 | long overtime = time_spent - usec_cycle; |
42b2b9fe | 612 | |
4240cfa1 JA |
613 | td->rate_pending_usleep -= overtime; |
614 | } | |
615 | } | |
616 | ||
5c24b2c4 | 617 | static int check_min_rate(struct thread_data *td, struct timeval *now) |
4240cfa1 | 618 | { |
7607bc6b | 619 | unsigned long spent; |
4240cfa1 JA |
620 | unsigned long rate; |
621 | ||
622 | /* | |
623 | * allow a 2 second settle period in the beginning | |
624 | */ | |
7607bc6b | 625 | if (mtime_since(&td->start, now) < 2000) |
4240cfa1 JA |
626 | return 0; |
627 | ||
628 | /* | |
629 | * if rate blocks is set, sample is running | |
630 | */ | |
49d2caab | 631 | if (td->rate_bytes) { |
4240cfa1 JA |
632 | spent = mtime_since(&td->lastrate, now); |
633 | if (spent < td->ratecycle) | |
634 | return 0; | |
635 | ||
49d2caab | 636 | rate = (td->this_io_bytes - td->rate_bytes) / spent; |
4240cfa1 JA |
637 | if (rate < td->ratemin) { |
638 | printf("Client%d: min rate %d not met, got %ldKiB/sec\n", td->thread_number, td->ratemin, rate); | |
02bdd9ba | 639 | if (rate_quit) |
e6402082 | 640 | sig_handler(0); |
4240cfa1 JA |
641 | return 1; |
642 | } | |
86184d14 | 643 | } |
4240cfa1 | 644 | |
49d2caab | 645 | td->rate_bytes = td->this_io_bytes; |
4240cfa1 JA |
646 | memcpy(&td->lastrate, now, sizeof(*now)); |
647 | return 0; | |
86184d14 JA |
648 | } |
649 | ||
67903a2e JA |
650 | static inline int runtime_exceeded(struct thread_data *td, struct timeval *t) |
651 | { | |
01f79976 JA |
652 | if (!td->timeout) |
653 | return 0; | |
67903a2e JA |
654 | if (mtime_since(&td->start, t) >= td->timeout * 1000) |
655 | return 1; | |
656 | ||
657 | return 0; | |
658 | } | |
659 | ||
e8457004 JA |
660 | static void fill_random_bytes(struct thread_data *td, |
661 | unsigned char *p, unsigned int len) | |
662 | { | |
645785e5 | 663 | unsigned int todo; |
40ef7f64 | 664 | double r; |
e8457004 JA |
665 | |
666 | while (len) { | |
40ef7f64 | 667 | drand48_r(&td->verify_state, &r); |
e8457004 | 668 | |
40ef7f64 JA |
669 | /* |
670 | * lrand48_r seems to be broken and only fill the bottom | |
671 | * 32-bits, even on 64-bit archs with 64-bit longs | |
672 | */ | |
673 | todo = sizeof(r); | |
e8457004 JA |
674 | if (todo > len) |
675 | todo = len; | |
676 | ||
677 | memcpy(p, &r, todo); | |
678 | ||
679 | len -= todo; | |
680 | p += todo; | |
681 | } | |
682 | } | |
683 | ||
9d0c6ca2 JA |
684 | static void hexdump(void *buffer, int len) |
685 | { | |
686 | unsigned char *p = buffer; | |
687 | int i; | |
688 | ||
689 | for (i = 0; i < len; i++) | |
690 | printf("%02x", p[i]); | |
691 | printf("\n"); | |
692 | } | |
693 | ||
645785e5 | 694 | static int verify_io_u(struct io_u *io_u) |
e8457004 JA |
695 | { |
696 | struct verify_header *hdr = (struct verify_header *) io_u->buf; | |
697 | unsigned char *p = (unsigned char *) io_u->buf; | |
698 | struct md5_ctx md5_ctx; | |
9d0c6ca2 | 699 | int ret; |
e8457004 | 700 | |
840b216f | 701 | if (hdr->fio_magic != FIO_HDR_MAGIC) |
e8457004 JA |
702 | return 1; |
703 | ||
704 | memset(&md5_ctx, 0, sizeof(md5_ctx)); | |
705 | p += sizeof(*hdr); | |
706 | md5_update(&md5_ctx, p, hdr->len - sizeof(*hdr)); | |
707 | ||
9d0c6ca2 JA |
708 | ret = memcmp(hdr->md5_digest, md5_ctx.hash, sizeof(md5_ctx.hash)); |
709 | if (ret) { | |
710 | hexdump(hdr->md5_digest, sizeof(hdr->md5_digest)); | |
711 | hexdump(md5_ctx.hash, sizeof(md5_ctx.hash)); | |
712 | } | |
713 | ||
714 | return ret; | |
e8457004 JA |
715 | } |
716 | ||
cfc702bd JA |
717 | /* |
718 | * fill body of io_u->buf with random data and add a header with the | |
719 | * (eg) sha1sum of that data. | |
720 | */ | |
e8457004 | 721 | static void populate_io_u(struct thread_data *td, struct io_u *io_u) |
cfc702bd | 722 | { |
e8457004 JA |
723 | struct md5_ctx md5_ctx; |
724 | struct verify_header hdr; | |
725 | unsigned char *p = (unsigned char *) io_u->buf; | |
726 | ||
727 | hdr.fio_magic = FIO_HDR_MAGIC; | |
728 | hdr.len = io_u->buflen; | |
729 | p += sizeof(hdr); | |
730 | fill_random_bytes(td, p, io_u->buflen - sizeof(hdr)); | |
731 | ||
732 | memset(&md5_ctx, 0, sizeof(md5_ctx)); | |
733 | md5_update(&md5_ctx, p, io_u->buflen - sizeof(hdr)); | |
734 | memcpy(hdr.md5_digest, md5_ctx.hash, sizeof(md5_ctx.hash)); | |
735 | memcpy(io_u->buf, &hdr, sizeof(hdr)); | |
cfc702bd JA |
736 | } |
737 | ||
2c83567e JA |
738 | static void put_io_u(struct thread_data *td, struct io_u *io_u) |
739 | { | |
740 | list_del(&io_u->list); | |
741 | list_add(&io_u->list, &td->io_u_freelist); | |
742 | td->cur_depth--; | |
743 | } | |
744 | ||
f0f3411b JA |
745 | #define queue_full(td) (list_empty(&(td)->io_u_freelist)) |
746 | ||
e8457004 JA |
747 | static struct io_u *__get_io_u(struct thread_data *td) |
748 | { | |
749 | struct io_u *io_u; | |
750 | ||
f0f3411b | 751 | if (queue_full(td)) |
e8457004 JA |
752 | return NULL; |
753 | ||
754 | io_u = list_entry(td->io_u_freelist.next, struct io_u, list); | |
755 | list_del(&io_u->list); | |
756 | list_add(&io_u->list, &td->io_u_busylist); | |
f4bb2243 | 757 | td->cur_depth++; |
e8457004 JA |
758 | return io_u; |
759 | } | |
760 | ||
2c83567e JA |
761 | static struct io_u *get_io_u(struct thread_data *td) |
762 | { | |
763 | struct io_u *io_u; | |
764 | ||
e8457004 JA |
765 | io_u = __get_io_u(td); |
766 | if (!io_u) | |
2c83567e JA |
767 | return NULL; |
768 | ||
406e7b7c JA |
769 | if (get_next_offset(td, &io_u->offset)) { |
770 | put_io_u(td, io_u); | |
49d2caab | 771 | return NULL; |
406e7b7c | 772 | } |
49d2caab | 773 | |
b2a369fb JA |
774 | io_u->buflen = get_next_buflen(td); |
775 | if (!io_u->buflen) { | |
e8457004 | 776 | put_io_u(td, io_u); |
7889f07b | 777 | return NULL; |
e8457004 | 778 | } |
2c83567e | 779 | |
75b2ab2c JA |
780 | if (io_u->buflen + io_u->offset > td->file_size) |
781 | io_u->buflen = td->file_size - io_u->offset; | |
49d2caab JA |
782 | |
783 | if (!td->sequential) | |
784 | mark_random_map(td, io_u); | |
785 | ||
786 | td->last_bytes += io_u->buflen; | |
787 | ||
9d0c6ca2 | 788 | if (td->verify) |
e8457004 | 789 | populate_io_u(td, io_u); |
cfc702bd | 790 | |
2c83567e JA |
791 | if (td->use_aio) { |
792 | if (td_read(td)) | |
793 | io_prep_pread(&io_u->iocb, td->fd, io_u->buf, io_u->buflen, io_u->offset); | |
794 | else | |
795 | io_prep_pwrite(&io_u->iocb, td->fd, io_u->buf, io_u->buflen, io_u->offset); | |
796 | } | |
797 | ||
57d753e3 | 798 | gettimeofday(&io_u->start_time, NULL); |
2c83567e JA |
799 | return io_u; |
800 | } | |
801 | ||
40ef7f64 JA |
802 | static inline void td_set_runstate(struct thread_data *td, int runstate) |
803 | { | |
804 | td->old_runstate = td->runstate; | |
805 | td->runstate = runstate; | |
806 | } | |
807 | ||
645785e5 JA |
808 | static int get_next_verify(struct thread_data *td, |
809 | unsigned long long *offset, unsigned int *len) | |
810 | { | |
811 | struct io_piece *ipo; | |
812 | ||
813 | if (list_empty(&td->io_hist_list)) | |
814 | return 1; | |
815 | ||
816 | ipo = list_entry(td->io_hist_list.next, struct io_piece, list); | |
817 | list_del(&ipo->list); | |
818 | ||
819 | *offset = ipo->offset; | |
820 | *len = ipo->len; | |
821 | free(ipo); | |
822 | return 0; | |
823 | } | |
824 | ||
9d0c6ca2 JA |
825 | static void prune_io_piece_log(struct thread_data *td) |
826 | { | |
827 | struct io_piece *ipo; | |
828 | ||
829 | while (!list_empty(&td->io_hist_list)) { | |
830 | ipo = list_entry(td->io_hist_list.next, struct io_piece, list); | |
831 | ||
832 | list_del(&ipo->list); | |
833 | free(ipo); | |
834 | } | |
835 | } | |
836 | ||
9d0c6ca2 JA |
837 | /* |
838 | * log a succesful write, so we can unwind the log for verify | |
839 | */ | |
840 | static void log_io_piece(struct thread_data *td, struct io_u *io_u) | |
841 | { | |
49d2caab | 842 | struct io_piece *ipo = malloc(sizeof(struct io_piece)); |
9d0c6ca2 JA |
843 | struct list_head *entry; |
844 | ||
845 | INIT_LIST_HEAD(&ipo->list); | |
846 | ipo->offset = io_u->offset; | |
847 | ipo->len = io_u->buflen; | |
848 | ||
49d2caab JA |
849 | /* |
850 | * for random io where the writes extend the file, it will typically | |
851 | * be laid out with the block scattered as written. it's faster to | |
852 | * read them in in that order again, so don't sort | |
853 | */ | |
854 | if (td->sequential || !td->overwrite) { | |
9d0c6ca2 JA |
855 | list_add_tail(&ipo->list, &td->io_hist_list); |
856 | return; | |
857 | } | |
858 | ||
859 | /* | |
860 | * for random io, sort the list so verify will run faster | |
861 | */ | |
862 | entry = &td->io_hist_list; | |
863 | while ((entry = entry->prev) != &td->io_hist_list) { | |
864 | struct io_piece *__ipo = list_entry(entry, struct io_piece, list); | |
865 | ||
9d0c6ca2 JA |
866 | if (__ipo->offset < ipo->offset) |
867 | break; | |
868 | } | |
869 | ||
870 | list_add(&ipo->list, entry); | |
871 | } | |
872 | ||
91fc5dc9 | 873 | static void do_sync_verify(struct thread_data *td) |
cfc702bd | 874 | { |
40ef7f64 | 875 | struct timeval t; |
e8457004 | 876 | struct io_u *io_u = NULL; |
645785e5 | 877 | int ret; |
e8457004 | 878 | |
40ef7f64 | 879 | td_set_runstate(td, TD_VERIFYING); |
e8457004 JA |
880 | |
881 | io_u = __get_io_u(td); | |
882 | ||
40ef7f64 | 883 | if (!td->odirect) { |
49d2caab | 884 | if (fadvise(td->fd, td->file_offset, td->io_size, POSIX_FADV_DONTNEED) < 0) { |
40ef7f64 JA |
885 | td->error = errno; |
886 | goto out; | |
887 | } | |
888 | } | |
889 | ||
e8457004 JA |
890 | do { |
891 | if (td->terminate) | |
892 | break; | |
40ef7f64 JA |
893 | |
894 | gettimeofday(&t, NULL); | |
895 | if (runtime_exceeded(td, &t)) | |
896 | break; | |
897 | ||
645785e5 JA |
898 | if (get_next_verify(td, &io_u->offset, &io_u->buflen)) |
899 | break; | |
900 | ||
901 | if (td->cur_off != io_u->offset) { | |
902 | if (lseek(td->fd, io_u->offset, SEEK_SET) == -1) { | |
903 | td->error = errno; | |
904 | break; | |
905 | } | |
906 | } | |
e8457004 JA |
907 | |
908 | ret = read(td->fd, io_u->buf, io_u->buflen); | |
909 | if (ret < (int) io_u->buflen) { | |
910 | if (ret == -1) { | |
911 | td->error = errno; | |
912 | break; | |
913 | } else if (!ret) | |
914 | break; | |
915 | else | |
916 | io_u->buflen = ret; | |
917 | } | |
918 | ||
645785e5 | 919 | if (verify_io_u(io_u)) |
e8457004 JA |
920 | break; |
921 | ||
645785e5 | 922 | td->cur_off = io_u->offset + io_u->buflen; |
e8457004 JA |
923 | } while (1); |
924 | ||
925 | out: | |
40ef7f64 | 926 | td_set_runstate(td, TD_RUNNING); |
e8457004 | 927 | put_io_u(td, io_u); |
cfc702bd JA |
928 | } |
929 | ||
43000118 | 930 | static void do_sync_io(struct thread_data *td) |
892199bd | 931 | { |
7889f07b | 932 | unsigned long msec, usec; |
e8457004 | 933 | struct io_u *io_u = NULL; |
2c83567e | 934 | struct timeval e; |
892199bd | 935 | |
49d2caab | 936 | while (td->this_io_bytes < td->io_size) { |
892199bd JA |
937 | int ret; |
938 | ||
939 | if (td->terminate) | |
940 | break; | |
941 | ||
2c83567e | 942 | io_u = get_io_u(td); |
7889f07b JA |
943 | if (!io_u) |
944 | break; | |
2c83567e | 945 | |
63a09e51 JA |
946 | if (td->cur_off != io_u->offset) { |
947 | if (lseek(td->fd, io_u->offset, SEEK_SET) == -1) { | |
948 | td->error = errno; | |
949 | break; | |
950 | } | |
892199bd JA |
951 | } |
952 | ||
02983297 | 953 | if (td_read(td)) |
2c83567e | 954 | ret = read(td->fd, io_u->buf, io_u->buflen); |
892199bd | 955 | else |
2c83567e | 956 | ret = write(td->fd, io_u->buf, io_u->buflen); |
892199bd | 957 | |
2c83567e | 958 | if (ret < (int) io_u->buflen) { |
892199bd JA |
959 | if (ret == -1) |
960 | td->error = errno; | |
961 | break; | |
962 | } | |
963 | ||
62bb4285 | 964 | if (td_write(td)) |
645785e5 JA |
965 | log_io_piece(td, io_u); |
966 | ||
4240cfa1 | 967 | td->io_blocks++; |
49d2caab JA |
968 | td->io_bytes += io_u->buflen; |
969 | td->this_io_bytes += io_u->buflen; | |
63a09e51 | 970 | td->cur_off = io_u->offset + io_u->buflen; |
4240cfa1 | 971 | |
86184d14 JA |
972 | gettimeofday(&e, NULL); |
973 | ||
57d753e3 | 974 | usec = utime_since(&io_u->start_time, &e); |
86184d14 | 975 | |
9e850933 | 976 | rate_throttle(td, usec, io_u->buflen); |
892199bd | 977 | |
4240cfa1 JA |
978 | if (check_min_rate(td, &e)) { |
979 | td->error = ENODATA; | |
980 | break; | |
981 | } | |
892199bd | 982 | |
4240cfa1 | 983 | msec = usec / 1000; |
57d753e3 | 984 | add_clat_sample(td, msec); |
645785e5 | 985 | add_bw_sample(td); |
67903a2e JA |
986 | |
987 | if (runtime_exceeded(td, &e)) | |
988 | break; | |
2c83567e | 989 | |
cdf92433 | 990 | put_io_u(td, io_u); |
e8457004 | 991 | io_u = NULL; |
cdf92433 | 992 | |
e97712ed JA |
993 | if (td->thinktime) |
994 | usec_sleep(td->thinktime); | |
995 | ||
cdf92433 JA |
996 | if (should_fsync(td) && td->fsync_blocks && |
997 | (td->io_blocks % td->fsync_blocks) == 0) | |
998 | fsync(td->fd); | |
892199bd JA |
999 | } |
1000 | ||
e8457004 JA |
1001 | if (io_u) |
1002 | put_io_u(td, io_u); | |
1003 | ||
4240cfa1 | 1004 | if (should_fsync(td)) |
892199bd | 1005 | fsync(td->fd); |
892199bd | 1006 | } |
43000118 | 1007 | |
1ad72b11 JA |
1008 | static int io_u_getevents(struct thread_data *td, int min, int max, |
1009 | struct timespec *t) | |
1010 | { | |
1011 | int r; | |
1012 | ||
1013 | do { | |
1014 | r = io_getevents(td->aio_ctx, min, max, td->aio_events, t); | |
1015 | if (r != -EAGAIN && r != -EINTR) | |
1016 | break; | |
1017 | } while (1); | |
1018 | ||
1019 | return r; | |
1020 | } | |
1021 | ||
2c83567e | 1022 | static int io_u_queue(struct thread_data *td, struct io_u *io_u) |
56b0eff0 | 1023 | { |
2c83567e | 1024 | struct iocb *iocb = &io_u->iocb; |
56b0eff0 JA |
1025 | int ret; |
1026 | ||
1027 | do { | |
254605cd | 1028 | ret = io_submit(td->aio_ctx, 1, &iocb); |
56b0eff0 JA |
1029 | if (ret == 1) |
1030 | return 0; | |
406e7b7c | 1031 | else if (ret == -EAGAIN) |
56b0eff0 | 1032 | usleep(100); |
406e7b7c | 1033 | else if (ret == -EINTR) |
a592bd33 | 1034 | continue; |
56b0eff0 JA |
1035 | else |
1036 | break; | |
1037 | } while (1); | |
1038 | ||
a592bd33 | 1039 | return ret; |
56b0eff0 JA |
1040 | } |
1041 | ||
98168d55 | 1042 | #define iocb_time(iocb) ((unsigned long) (iocb)->data) |
2c83567e JA |
1043 | #define ev_to_iou(ev) (struct io_u *) ((unsigned long) (ev)->obj) |
1044 | ||
f0f3411b | 1045 | static int ios_completed(struct thread_data *td, int nr) |
2c83567e JA |
1046 | { |
1047 | unsigned long msec; | |
1048 | struct io_u *io_u; | |
1049 | struct timeval e; | |
9e850933 | 1050 | int i, bytes_done; |
2c83567e | 1051 | |
f0f3411b | 1052 | gettimeofday(&e, NULL); |
2c83567e | 1053 | |
9e850933 | 1054 | for (i = 0, bytes_done = 0; i < nr; i++) { |
2c83567e JA |
1055 | io_u = ev_to_iou(td->aio_events + i); |
1056 | ||
f0f3411b | 1057 | td->io_blocks++; |
49d2caab JA |
1058 | td->io_bytes += io_u->buflen; |
1059 | td->this_io_bytes += io_u->buflen; | |
8c033f93 | 1060 | |
f0f3411b | 1061 | msec = mtime_since(&io_u->issue_time, &e); |
2c83567e | 1062 | |
f0f3411b | 1063 | add_clat_sample(td, msec); |
645785e5 JA |
1064 | add_bw_sample(td); |
1065 | ||
62bb4285 | 1066 | if (td_write(td)) |
645785e5 | 1067 | log_io_piece(td, io_u); |
2c83567e | 1068 | |
f4bb2243 | 1069 | bytes_done += io_u->buflen; |
2c83567e JA |
1070 | put_io_u(td, io_u); |
1071 | } | |
9e850933 JA |
1072 | |
1073 | return bytes_done; | |
2c83567e JA |
1074 | } |
1075 | ||
1076 | static void cleanup_pending_aio(struct thread_data *td) | |
1077 | { | |
1078 | struct timespec ts = { .tv_sec = 0, .tv_nsec = 0}; | |
1079 | struct list_head *entry, *n; | |
1080 | struct io_u *io_u; | |
1081 | int r; | |
1082 | ||
1083 | /* | |
1084 | * get immediately available events, if any | |
1085 | */ | |
1ad72b11 | 1086 | r = io_u_getevents(td, 0, td->cur_depth, &ts); |
2c83567e | 1087 | if (r > 0) |
f0f3411b | 1088 | ios_completed(td, r); |
2c83567e JA |
1089 | |
1090 | /* | |
1091 | * now cancel remaining active events | |
1092 | */ | |
1093 | list_for_each_safe(entry, n, &td->io_u_busylist) { | |
1094 | io_u = list_entry(entry, struct io_u, list); | |
1095 | ||
1096 | r = io_cancel(td->aio_ctx, &io_u->iocb, td->aio_events); | |
1097 | if (!r) | |
1098 | put_io_u(td, io_u); | |
1099 | } | |
1100 | ||
1101 | if (td->cur_depth) { | |
1ad72b11 | 1102 | r = io_u_getevents(td, td->cur_depth, td->cur_depth, NULL); |
2c83567e | 1103 | if (r > 0) |
f0f3411b | 1104 | ios_completed(td, r); |
2c83567e JA |
1105 | } |
1106 | } | |
98168d55 | 1107 | |
d32d9284 JA |
1108 | static int async_do_verify(struct thread_data *td, struct io_u **io_u) |
1109 | { | |
1110 | struct io_u *v_io_u = *io_u; | |
1111 | int ret = 0; | |
1112 | ||
1113 | if (v_io_u) { | |
645785e5 | 1114 | ret = verify_io_u(v_io_u); |
d32d9284 JA |
1115 | put_io_u(td, v_io_u); |
1116 | *io_u = NULL; | |
1117 | } | |
1118 | ||
1119 | return ret; | |
1120 | } | |
1121 | ||
91fc5dc9 | 1122 | static void do_async_verify(struct thread_data *td) |
cfc702bd | 1123 | { |
f4bb2243 | 1124 | struct timeval t; |
d32d9284 | 1125 | struct io_u *io_u, *v_io_u = NULL; |
645785e5 | 1126 | int ret; |
f4bb2243 JA |
1127 | |
1128 | td_set_runstate(td, TD_VERIFYING); | |
1129 | ||
f4bb2243 JA |
1130 | do { |
1131 | if (td->terminate) | |
1132 | break; | |
1133 | ||
1134 | gettimeofday(&t, NULL); | |
1135 | if (runtime_exceeded(td, &t)) | |
1136 | break; | |
1137 | ||
1138 | io_u = __get_io_u(td); | |
1139 | if (!io_u) | |
1140 | break; | |
1141 | ||
645785e5 JA |
1142 | if (get_next_verify(td, &io_u->offset, &io_u->buflen)) { |
1143 | put_io_u(td, io_u); | |
1144 | break; | |
f4bb2243 JA |
1145 | } |
1146 | ||
1147 | io_prep_pread(&io_u->iocb, td->fd, io_u->buf, io_u->buflen, io_u->offset); | |
1148 | ret = io_u_queue(td, io_u); | |
1149 | if (ret) { | |
1150 | put_io_u(td, io_u); | |
1151 | td->error = ret; | |
1152 | break; | |
1153 | } | |
1154 | ||
f0f3411b JA |
1155 | /* |
1156 | * we have one pending to verify, do that while the next | |
1157 | * we are doing io on the next one | |
1158 | */ | |
d32d9284 JA |
1159 | if (async_do_verify(td, &v_io_u)) |
1160 | break; | |
f0f3411b | 1161 | |
1ad72b11 | 1162 | ret = io_u_getevents(td, 1, 1, NULL); |
f0f3411b JA |
1163 | if (ret != 1) { |
1164 | if (ret < 0) | |
1165 | td->error = ret; | |
f4bb2243 JA |
1166 | break; |
1167 | } | |
1168 | ||
f0f3411b | 1169 | v_io_u = ev_to_iou(td->aio_events); |
f4bb2243 | 1170 | |
645785e5 | 1171 | td->cur_off = v_io_u->offset + v_io_u->buflen; |
f0f3411b JA |
1172 | |
1173 | /* | |
d32d9284 | 1174 | * if we can't submit more io, we need to verify now |
f0f3411b | 1175 | */ |
d32d9284 JA |
1176 | if (queue_full(td) && async_do_verify(td, &v_io_u)) |
1177 | break; | |
1178 | ||
f4bb2243 JA |
1179 | } while (1); |
1180 | ||
d32d9284 | 1181 | async_do_verify(td, &v_io_u); |
f0f3411b | 1182 | |
f4bb2243 JA |
1183 | if (td->cur_depth) |
1184 | cleanup_pending_aio(td); | |
1185 | ||
1186 | td_set_runstate(td, TD_RUNNING); | |
cfc702bd JA |
1187 | } |
1188 | ||
43000118 JA |
1189 | static void do_async_io(struct thread_data *td) |
1190 | { | |
1191 | struct timeval s, e; | |
7889f07b | 1192 | unsigned long usec; |
43000118 | 1193 | |
49d2caab | 1194 | while (td->this_io_bytes < td->io_size) { |
43000118 JA |
1195 | struct timespec ts = { .tv_sec = 0, .tv_nsec = 0}; |
1196 | struct timespec *timeout; | |
2c83567e JA |
1197 | int ret, min_evts = 0; |
1198 | struct io_u *io_u; | |
9e850933 | 1199 | unsigned int bytes_done; |
43000118 JA |
1200 | |
1201 | if (td->terminate) | |
1202 | break; | |
1203 | ||
2c83567e | 1204 | io_u = get_io_u(td); |
7889f07b JA |
1205 | if (!io_u) |
1206 | break; | |
43000118 | 1207 | |
57d753e3 | 1208 | memcpy(&s, &io_u->start_time, sizeof(s)); |
8baf1bcc | 1209 | |
2c83567e | 1210 | ret = io_u_queue(td, io_u); |
56b0eff0 | 1211 | if (ret) { |
a3fdb993 | 1212 | put_io_u(td, io_u); |
a592bd33 | 1213 | td->error = ret; |
43000118 JA |
1214 | break; |
1215 | } | |
1216 | ||
57d753e3 JA |
1217 | gettimeofday(&io_u->issue_time, NULL); |
1218 | add_slat_sample(td, mtime_since(&io_u->start_time, &io_u->issue_time)); | |
2c83567e | 1219 | if (td->cur_depth < td->aio_depth) { |
43000118 JA |
1220 | timeout = &ts; |
1221 | min_evts = 0; | |
1222 | } else { | |
1223 | timeout = NULL; | |
1224 | min_evts = 1; | |
1225 | } | |
1226 | ||
1ad72b11 | 1227 | ret = io_u_getevents(td, min_evts, td->cur_depth, timeout); |
43000118 | 1228 | if (ret < 0) { |
406e7b7c | 1229 | td->error = ret; |
43000118 JA |
1230 | break; |
1231 | } else if (!ret) | |
1232 | continue; | |
1233 | ||
f0f3411b | 1234 | bytes_done = ios_completed(td, ret); |
43000118 | 1235 | |
98168d55 JA |
1236 | /* |
1237 | * the rate is batched for now, it should work for batches | |
1238 | * of completions except the very first one which may look | |
1239 | * a little bursty | |
1240 | */ | |
2c83567e | 1241 | gettimeofday(&e, NULL); |
43000118 JA |
1242 | usec = utime_since(&s, &e); |
1243 | ||
9e850933 | 1244 | rate_throttle(td, usec, bytes_done); |
43000118 JA |
1245 | |
1246 | if (check_min_rate(td, &e)) { | |
1247 | td->error = ENODATA; | |
1248 | break; | |
1249 | } | |
67903a2e JA |
1250 | |
1251 | if (runtime_exceeded(td, &e)) | |
1252 | break; | |
765d9223 JA |
1253 | |
1254 | if (td->thinktime) | |
1255 | usec_sleep(td->thinktime); | |
cdf92433 JA |
1256 | |
1257 | if (should_fsync(td) && td->fsync_blocks && | |
1258 | (td->io_blocks % td->fsync_blocks) == 0) | |
1259 | fsync(td->fd); | |
43000118 | 1260 | } |
56b0eff0 | 1261 | |
2c83567e JA |
1262 | if (td->cur_depth) |
1263 | cleanup_pending_aio(td); | |
4ac89145 JA |
1264 | |
1265 | if (should_fsync(td)) | |
1266 | fsync(td->fd); | |
56b0eff0 JA |
1267 | } |
1268 | ||
1269 | static void cleanup_aio(struct thread_data *td) | |
1270 | { | |
254605cd JA |
1271 | io_destroy(td->aio_ctx); |
1272 | ||
43000118 JA |
1273 | if (td->aio_events) |
1274 | free(td->aio_events); | |
43000118 JA |
1275 | } |
1276 | ||
1277 | static int init_aio(struct thread_data *td) | |
1278 | { | |
254605cd | 1279 | if (io_queue_init(td->aio_depth, &td->aio_ctx)) { |
43000118 JA |
1280 | td->error = errno; |
1281 | return 1; | |
1282 | } | |
1283 | ||
43000118 | 1284 | td->aio_events = malloc(td->aio_depth * sizeof(struct io_event)); |
43000118 JA |
1285 | return 0; |
1286 | } | |
1287 | ||
2c83567e JA |
1288 | static void cleanup_io_u(struct thread_data *td) |
1289 | { | |
1290 | struct list_head *entry, *n; | |
1291 | struct io_u *io_u; | |
1292 | ||
1293 | list_for_each_safe(entry, n, &td->io_u_freelist) { | |
1294 | io_u = list_entry(entry, struct io_u, list); | |
1295 | ||
1296 | list_del(&io_u->list); | |
2c83567e JA |
1297 | free(io_u); |
1298 | } | |
6b71c826 | 1299 | |
99c6704f JA |
1300 | if (td->mem_type == MEM_MALLOC) |
1301 | free(td->orig_buffer); | |
1302 | else if (td->mem_type == MEM_SHM) { | |
1303 | struct shmid_ds sbuf; | |
1304 | ||
1305 | shmdt(td->orig_buffer); | |
1306 | shmctl(td->shm_id, IPC_RMID, &sbuf); | |
1307 | } | |
2c83567e JA |
1308 | } |
1309 | ||
99c6704f | 1310 | static int init_io_u(struct thread_data *td) |
2c83567e JA |
1311 | { |
1312 | struct io_u *io_u; | |
99c6704f | 1313 | int i, max_units, mem_size; |
6b71c826 | 1314 | char *p; |
2c83567e JA |
1315 | |
1316 | if (!td->use_aio) | |
1317 | max_units = 1; | |
1318 | else | |
1319 | max_units = td->aio_depth; | |
1320 | ||
7889f07b | 1321 | mem_size = td->max_bs * max_units + MASK; |
99c6704f JA |
1322 | |
1323 | if (td->mem_type == MEM_MALLOC) | |
1324 | td->orig_buffer = malloc(mem_size); | |
1325 | else if (td->mem_type == MEM_SHM) { | |
1326 | td->shm_id = shmget(IPC_PRIVATE, mem_size, IPC_CREAT | 0600); | |
1327 | if (td->shm_id < 0) { | |
1328 | td->error = errno; | |
1329 | perror("shmget"); | |
1330 | return 1; | |
1331 | } | |
1332 | ||
1333 | td->orig_buffer = shmat(td->shm_id, NULL, 0); | |
1334 | if (td->orig_buffer == (void *) -1) { | |
1335 | td->error = errno; | |
1336 | perror("shmat"); | |
1337 | return 1; | |
1338 | } | |
1339 | } | |
6b71c826 | 1340 | |
2c83567e JA |
1341 | INIT_LIST_HEAD(&td->io_u_freelist); |
1342 | INIT_LIST_HEAD(&td->io_u_busylist); | |
645785e5 | 1343 | INIT_LIST_HEAD(&td->io_hist_list); |
2c83567e | 1344 | |
99c6704f | 1345 | p = ALIGN(td->orig_buffer); |
2c83567e JA |
1346 | for (i = 0; i < max_units; i++) { |
1347 | io_u = malloc(sizeof(*io_u)); | |
1348 | memset(io_u, 0, sizeof(*io_u)); | |
1349 | INIT_LIST_HEAD(&io_u->list); | |
1350 | ||
7889f07b | 1351 | io_u->buf = p + td->max_bs * i; |
2c83567e JA |
1352 | list_add(&io_u->list, &td->io_u_freelist); |
1353 | } | |
99c6704f JA |
1354 | |
1355 | return 0; | |
2c83567e JA |
1356 | } |
1357 | ||
a0a9b35b JA |
1358 | static void setup_log(struct io_log **log) |
1359 | { | |
1360 | struct io_log *l = malloc(sizeof(*l)); | |
1361 | ||
1362 | l->nr_samples = 0; | |
1363 | l->max_samples = 1024; | |
1364 | l->log = malloc(l->max_samples * sizeof(struct io_sample)); | |
1365 | *log = l; | |
1366 | } | |
1367 | ||
1368 | static void finish_log(struct thread_data *td, struct io_log *log, char *name) | |
1369 | { | |
1370 | char file_name[128]; | |
1371 | FILE *f; | |
645785e5 | 1372 | unsigned int i; |
a0a9b35b JA |
1373 | |
1374 | sprintf(file_name, "client%d_%s.log", td->thread_number, name); | |
1375 | f = fopen(file_name, "w"); | |
1376 | if (!f) { | |
1377 | perror("fopen log"); | |
1378 | return; | |
1379 | } | |
1380 | ||
1381 | for (i = 0; i < log->nr_samples; i++) | |
1382 | fprintf(f, "%lu, %lu\n", log->log[i].time, log->log[i].val); | |
1383 | ||
1384 | fclose(f); | |
1385 | free(log->log); | |
1386 | free(log); | |
1387 | } | |
1388 | ||
02983297 JA |
1389 | static int create_file(struct thread_data *td) |
1390 | { | |
7889f07b | 1391 | unsigned long long left; |
645785e5 | 1392 | unsigned int bs; |
02983297 | 1393 | char *b; |
645785e5 | 1394 | int r; |
02983297 | 1395 | |
02983297 JA |
1396 | /* |
1397 | * unless specifically asked for overwrite, let normal io extend it | |
1398 | */ | |
62bb4285 | 1399 | if (td_write(td) && !td->overwrite) |
02983297 JA |
1400 | return 0; |
1401 | ||
57d753e3 JA |
1402 | if (!td->file_size) { |
1403 | fprintf(stderr, "Need size for create\n"); | |
1404 | td->error = EINVAL; | |
1405 | return 1; | |
1406 | } | |
1407 | ||
42fd89a7 JA |
1408 | printf("Client%d: Laying out IO file\n", td->thread_number); |
1409 | ||
02983297 JA |
1410 | td->fd = open(td->file_name, O_WRONLY | O_CREAT | O_TRUNC, 0644); |
1411 | if (td->fd < 0) { | |
1412 | td->error = errno; | |
1413 | return 1; | |
1414 | } | |
1415 | ||
c94deb1c JA |
1416 | if (ftruncate(td->fd, td->file_size) == -1) { |
1417 | td->error = errno; | |
1418 | return 1; | |
1419 | } | |
1420 | ||
49d2caab | 1421 | td->io_size = td->file_size; |
7889f07b JA |
1422 | b = malloc(td->max_bs); |
1423 | memset(b, 0, td->max_bs); | |
1424 | ||
1425 | left = td->file_size; | |
1426 | while (left) { | |
1427 | bs = td->max_bs; | |
1428 | if (bs > left) | |
1429 | bs = left; | |
02983297 | 1430 | |
7889f07b | 1431 | r = write(td->fd, b, bs); |
02983297 | 1432 | |
645785e5 | 1433 | if (r == (int) bs) { |
7889f07b | 1434 | left -= bs; |
02983297 | 1435 | continue; |
7889f07b | 1436 | } else { |
02983297 JA |
1437 | if (r < 0) |
1438 | td->error = errno; | |
1439 | else | |
1440 | td->error = EIO; | |
1441 | ||
1442 | break; | |
1443 | } | |
1444 | } | |
1445 | ||
fc097bfe JA |
1446 | if (td->create_fsync) |
1447 | fsync(td->fd); | |
1448 | ||
02983297 JA |
1449 | close(td->fd); |
1450 | td->fd = -1; | |
1451 | free(b); | |
1452 | return 0; | |
1453 | } | |
1454 | ||
1455 | static int file_exists(struct thread_data *td) | |
1456 | { | |
1457 | struct stat st; | |
1458 | ||
1459 | if (stat(td->file_name, &st) != -1) | |
1460 | return 1; | |
1461 | ||
1462 | return errno != ENOENT; | |
1463 | } | |
1464 | ||
c94deb1c | 1465 | static int get_file_size(struct thread_data *td) |
02983297 | 1466 | { |
c94deb1c | 1467 | size_t bytes = 0; |
02983297 | 1468 | struct stat st; |
c94deb1c JA |
1469 | |
1470 | if (fstat(td->fd, &st) == -1) { | |
1471 | td->error = errno; | |
1472 | return 1; | |
1473 | } | |
1474 | ||
1475 | /* | |
1476 | * if block device, get size via BLKGETSIZE64 ioctl. try that as well | |
1477 | * if this is a link, fall back to st.st_size if it fails | |
1478 | */ | |
1479 | if (S_ISBLK(st.st_mode) || S_ISLNK(st.st_mode)) { | |
1480 | if (ioctl(td->fd, BLKGETSIZE64, &bytes)) { | |
1481 | if (S_ISBLK(st.st_mode)) { | |
1482 | td->error = errno; | |
1483 | return 1; | |
1484 | } else | |
1485 | bytes = st.st_size; | |
1486 | } | |
1487 | } else | |
1488 | bytes = st.st_size; | |
1489 | ||
1490 | if (td_read(td)) { | |
1491 | if (td->file_size > bytes) | |
1492 | bytes = td->file_size; | |
1493 | } else { | |
1494 | if (!td->file_size) | |
1495 | td->file_size = 1024 * 1024 * 1024; | |
1496 | ||
1497 | bytes = td->file_size; | |
1498 | } | |
1499 | ||
1500 | if (td->file_offset > bytes) { | |
1501 | fprintf(stderr, "Client%d: offset larger than length\n", td->thread_number); | |
1502 | return 1; | |
1503 | } | |
1504 | ||
1505 | td->io_size = bytes - td->file_offset; | |
1506 | if (td->io_size == 0) { | |
1507 | fprintf(stderr, "Client%d: no io blocks\n", td->thread_number); | |
1508 | td->error = EINVAL; | |
1509 | return 1; | |
1510 | } | |
1511 | ||
1512 | return 0; | |
1513 | } | |
1514 | ||
1515 | static int setup_file(struct thread_data *td) | |
1516 | { | |
02983297 JA |
1517 | int flags = 0; |
1518 | ||
1519 | if (!file_exists(td)) { | |
1520 | if (!td->create_file) { | |
1521 | td->error = ENOENT; | |
1522 | return 1; | |
1523 | } | |
1524 | if (create_file(td)) | |
1525 | return 1; | |
1526 | } | |
1527 | ||
1528 | if (td->odirect) | |
1529 | flags |= O_DIRECT; | |
1530 | ||
1531 | if (td_read(td)) | |
1532 | td->fd = open(td->file_name, flags | O_RDONLY); | |
1533 | else { | |
1534 | if (!td->overwrite) | |
1535 | flags |= O_TRUNC; | |
74b4b5fb JA |
1536 | if (td->sync_io) |
1537 | flags |= O_SYNC; | |
e8457004 JA |
1538 | if (td->verify) |
1539 | flags |= O_RDWR; | |
1540 | else | |
1541 | flags |= O_WRONLY; | |
02983297 | 1542 | |
e8457004 | 1543 | td->fd = open(td->file_name, flags | O_CREAT, 0600); |
02983297 JA |
1544 | } |
1545 | ||
1546 | if (td->fd == -1) { | |
1547 | td->error = errno; | |
1548 | return 1; | |
1549 | } | |
1550 | ||
c94deb1c | 1551 | if (get_file_size(td)) |
49d2caab | 1552 | return 1; |
49d2caab | 1553 | |
62bb4285 | 1554 | if (td_write(td) && ftruncate(td->fd, td->file_size) == -1) { |
c94deb1c | 1555 | td->error = errno; |
02983297 JA |
1556 | return 1; |
1557 | } | |
1558 | ||
b95799ca | 1559 | if (td->invalidate_cache) { |
c94deb1c | 1560 | if (fadvise(td->fd, td->file_offset, td->file_size, POSIX_FADV_DONTNEED) < 0) { |
b95799ca JA |
1561 | td->error = errno; |
1562 | return 1; | |
1563 | } | |
1564 | } | |
1565 | ||
02983297 JA |
1566 | return 0; |
1567 | } | |
1568 | ||
d32d9284 JA |
1569 | static void clear_io_state(struct thread_data *td) |
1570 | { | |
9d0c6ca2 JA |
1571 | if (!td->use_aio) |
1572 | lseek(td->fd, SEEK_SET, 0); | |
1573 | ||
d32d9284 | 1574 | td->cur_off = 0; |
49d2caab JA |
1575 | td->last_bytes = 0; |
1576 | td->stat_io_bytes = 0; | |
1577 | td->this_io_bytes = 0; | |
1578 | ||
1579 | if (td->file_map) | |
1580 | memset(td->file_map, 0, td->num_maps * sizeof(long)); | |
d32d9284 JA |
1581 | } |
1582 | ||
5c24b2c4 | 1583 | static void *thread_main(int shm_id, int offset, char *argv[]) |
892199bd JA |
1584 | { |
1585 | struct thread_data *td; | |
02983297 | 1586 | int ret = 1; |
2c83567e | 1587 | void *data; |
892199bd | 1588 | |
7292613b JA |
1589 | setsid(); |
1590 | ||
892199bd | 1591 | data = shmat(shm_id, NULL, 0); |
4ac89145 JA |
1592 | if (data == (void *) -1) { |
1593 | perror("shmat"); | |
1594 | return NULL; | |
1595 | } | |
1596 | ||
892199bd JA |
1597 | td = data + offset * sizeof(struct thread_data); |
1598 | td->pid = getpid(); | |
1599 | ||
99c6704f JA |
1600 | if (init_io_u(td)) |
1601 | goto err; | |
2c83567e | 1602 | |
18e0b78c JA |
1603 | if (sched_setaffinity(td->pid, sizeof(td->cpumask), &td->cpumask) == -1) { |
1604 | td->error = errno; | |
1605 | goto err; | |
1606 | } | |
1607 | ||
4240cfa1 | 1608 | sprintf(argv[0], "fio%d", offset); |
892199bd | 1609 | |
43000118 JA |
1610 | if (td->use_aio && init_aio(td)) |
1611 | goto err; | |
1612 | ||
f737299d | 1613 | if (td->ioprio) { |
892199bd JA |
1614 | if (ioprio_set(IOPRIO_WHO_PROCESS, 0, td->ioprio) == -1) { |
1615 | td->error = errno; | |
599002b3 | 1616 | goto err; |
892199bd JA |
1617 | } |
1618 | } | |
1619 | ||
1620 | sem_post(&startup_sem); | |
1621 | sem_wait(&td->mutex); | |
43000118 | 1622 | |
fc097bfe JA |
1623 | if (!td->create_serialize && setup_file(td)) |
1624 | goto err; | |
1625 | ||
49d2caab JA |
1626 | if (init_random_state(td)) |
1627 | goto err; | |
1628 | ||
7292613b JA |
1629 | gettimeofday(&td->start, NULL); |
1630 | ||
92b229ed JA |
1631 | getrusage(RUSAGE_SELF, &td->ru_start); |
1632 | ||
293753bb JA |
1633 | while (td->loops--) { |
1634 | gettimeofday(&td->stat_sample_time, NULL); | |
1635 | ||
1636 | if (td->ratemin) | |
1637 | memcpy(&td->lastrate, &td->stat_sample_time, sizeof(td->lastrate)); | |
7292613b | 1638 | |
d32d9284 | 1639 | clear_io_state(td); |
9d0c6ca2 | 1640 | prune_io_piece_log(td); |
fd1ae4c9 | 1641 | |
b2de0ed2 | 1642 | if (!td->use_aio) |
b6794fbf | 1643 | do_sync_io(td); |
b2de0ed2 JA |
1644 | else |
1645 | do_async_io(td); | |
1646 | ||
91fc5dc9 JA |
1647 | if (td->error) |
1648 | break; | |
1649 | ||
b2de0ed2 JA |
1650 | if (!td->verify) |
1651 | continue; | |
cfc702bd | 1652 | |
b2de0ed2 | 1653 | clear_io_state(td); |
d32d9284 | 1654 | |
91fc5dc9 JA |
1655 | if (!td->use_aio) |
1656 | do_sync_verify(td); | |
1657 | else | |
1658 | do_async_verify(td); | |
1659 | ||
1660 | if (td->error) | |
1661 | break; | |
b6794fbf | 1662 | } |
7292613b | 1663 | |
be33abe4 | 1664 | td->runtime = mtime_since_now(&td->start); |
92b229ed | 1665 | getrusage(RUSAGE_SELF, &td->ru_end); |
892199bd | 1666 | ret = 0; |
a0a9b35b JA |
1667 | |
1668 | if (td->bw_log) | |
1669 | finish_log(td, td->bw_log, "bw"); | |
1670 | if (td->lat_log) | |
1671 | finish_log(td, td->lat_log, "lat"); | |
4ac89145 | 1672 | |
98dd52d6 JA |
1673 | if (exitall_on_terminate) |
1674 | sig_handler(0); | |
1675 | ||
892199bd | 1676 | err: |
7292613b JA |
1677 | if (td->fd != -1) { |
1678 | close(td->fd); | |
1679 | td->fd = -1; | |
1680 | } | |
4ac89145 JA |
1681 | if (td->use_aio) |
1682 | cleanup_aio(td); | |
2c83567e | 1683 | cleanup_io_u(td); |
599002b3 | 1684 | if (ret) { |
892199bd | 1685 | sem_post(&startup_sem); |
599002b3 JA |
1686 | sem_wait(&td->mutex); |
1687 | } | |
40ef7f64 | 1688 | td_set_runstate(td, TD_EXITED); |
4240cfa1 | 1689 | shmdt(data); |
892199bd JA |
1690 | return NULL; |
1691 | } | |
1692 | ||
5c24b2c4 | 1693 | static void free_shm(void) |
892199bd | 1694 | { |
c269123b JA |
1695 | struct shmid_ds sbuf; |
1696 | ||
1697 | if (threads) { | |
1698 | shmdt(threads); | |
1699 | threads = NULL; | |
1700 | shmctl(shm_id, IPC_RMID, &sbuf); | |
1701 | } | |
892199bd JA |
1702 | } |
1703 | ||
57d753e3 JA |
1704 | static int calc_lat(struct io_stat *is, unsigned long *min, unsigned long *max, |
1705 | double *mean, double *dev) | |
1706 | { | |
1707 | double n; | |
1708 | ||
1709 | if (is->samples == 0) | |
1710 | return 0; | |
1711 | ||
1712 | *min = is->min_val; | |
1713 | *max = is->max_val; | |
1714 | ||
1715 | n = (double) is->samples; | |
1716 | *mean = (double) is->val / n; | |
1717 | *dev = sqrt(((double) is->val_sq - (*mean * *mean) / n) / (n - 1)); | |
1718 | return 1; | |
1719 | } | |
1720 | ||
5c24b2c4 | 1721 | static void show_thread_status(struct thread_data *td) |
892199bd JA |
1722 | { |
1723 | int prio, prio_class; | |
92b229ed JA |
1724 | unsigned long min, max, bw = 0, ctx; |
1725 | double mean, dev, usr_cpu, sys_cpu; | |
892199bd | 1726 | |
49d2caab | 1727 | if (!td->io_bytes && !td->error) |
213b446c JA |
1728 | return; |
1729 | ||
892199bd | 1730 | if (td->runtime) |
49d2caab | 1731 | bw = td->io_bytes / td->runtime; |
892199bd JA |
1732 | |
1733 | prio = td->ioprio & 0xff; | |
1734 | prio_class = td->ioprio >> IOPRIO_CLASS_SHIFT; | |
1735 | ||
49d2caab | 1736 | 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 | 1737 | |
57d753e3 JA |
1738 | if (calc_lat(&td->slat_stat, &min, &max, &mean, &dev)) |
1739 | printf(" slat (msec): min=%5lu, max=%5lu, avg=%5.02f, dev=%5.02f\n", min, max, mean, dev); | |
1740 | if (calc_lat(&td->clat_stat, &min, &max, &mean, &dev)) | |
1741 | printf(" clat (msec): min=%5lu, max=%5lu, avg=%5.02f, dev=%5.02f\n", min, max, mean, dev); | |
1742 | if (calc_lat(&td->bw_stat, &min, &max, &mean, &dev)) | |
1743 | printf(" bw (KiB/s) : min=%5lu, max=%5lu, avg=%5.02f, dev=%5.02f\n", min, max, mean, dev); | |
92b229ed JA |
1744 | |
1745 | if (td->runtime) { | |
1746 | unsigned long t; | |
1747 | ||
1748 | t = mtime_since(&td->ru_start.ru_utime, &td->ru_end.ru_utime); | |
1749 | usr_cpu = (double) t * 100 / (double) td->runtime; | |
1750 | ||
1751 | t = mtime_since(&td->ru_start.ru_stime, &td->ru_end.ru_stime); | |
1752 | sys_cpu = (double) t * 100 / (double) td->runtime; | |
1753 | } else { | |
1754 | usr_cpu = 0; | |
1755 | sys_cpu = 0; | |
1756 | } | |
1757 | ||
1758 | ctx = td->ru_end.ru_nvcsw + td->ru_end.ru_nivcsw - (td->ru_start.ru_nvcsw + td->ru_start.ru_nivcsw); | |
1759 | ||
1760 | printf(" cpu : usr=%3.2f%%, sys=%3.2f%%, ctx=%lu\n", usr_cpu, sys_cpu, ctx); | |
892199bd JA |
1761 | } |
1762 | ||
5c24b2c4 | 1763 | static int setup_rate(struct thread_data *td) |
86184d14 | 1764 | { |
4240cfa1 JA |
1765 | int nr_reads_per_sec; |
1766 | ||
1767 | if (!td->rate) | |
1768 | return 0; | |
1769 | ||
1770 | if (td->rate < td->ratemin) { | |
1771 | fprintf(stderr, "min rate larger than nominal rate\n"); | |
1772 | return -1; | |
1773 | } | |
86184d14 | 1774 | |
49d2caab | 1775 | nr_reads_per_sec = (td->rate * 1024) / td->min_bs; |
86184d14 JA |
1776 | td->rate_usec_cycle = 1000000 / nr_reads_per_sec; |
1777 | td->rate_pending_usleep = 0; | |
4240cfa1 | 1778 | return 0; |
86184d14 JA |
1779 | } |
1780 | ||
47d45203 | 1781 | static struct thread_data *get_new_job(int global) |
892199bd | 1782 | { |
4240cfa1 JA |
1783 | struct thread_data *td; |
1784 | ||
47d45203 JA |
1785 | if (global) |
1786 | return &def_thread; | |
8867c0a8 | 1787 | if (thread_number >= max_jobs) |
4240cfa1 JA |
1788 | return NULL; |
1789 | ||
1790 | td = &threads[thread_number++]; | |
fc24389f | 1791 | memset(td, 0, sizeof(*td)); |
892199bd | 1792 | |
e4ed35c3 | 1793 | td->fd = -1; |
86184d14 | 1794 | td->thread_number = thread_number; |
76cb7b42 | 1795 | |
47d45203 | 1796 | td->ddir = def_thread.ddir; |
76cb7b42 JA |
1797 | td->ioprio = def_thread.ioprio; |
1798 | td->sequential = def_thread.sequential; | |
47d45203 | 1799 | td->bs = def_thread.bs; |
8c033f93 JA |
1800 | td->min_bs = def_thread.min_bs; |
1801 | td->max_bs = def_thread.max_bs; | |
47d45203 | 1802 | td->odirect = def_thread.odirect; |
e97712ed | 1803 | td->thinktime = def_thread.thinktime; |
76cb7b42 JA |
1804 | td->fsync_blocks = def_thread.fsync_blocks; |
1805 | td->start_delay = def_thread.start_delay; | |
67903a2e | 1806 | td->timeout = def_thread.timeout; |
76cb7b42 | 1807 | td->use_aio = def_thread.use_aio; |
02983297 JA |
1808 | td->create_file = def_thread.create_file; |
1809 | td->overwrite = def_thread.overwrite; | |
b95799ca | 1810 | td->invalidate_cache = def_thread.invalidate_cache; |
76cb7b42 | 1811 | td->file_size = def_thread.file_size; |
9b5cf6c0 | 1812 | td->file_offset = def_thread.file_offset; |
76cb7b42 JA |
1813 | td->rate = def_thread.rate; |
1814 | td->ratemin = def_thread.ratemin; | |
1815 | td->ratecycle = def_thread.ratecycle; | |
1816 | td->aio_depth = def_thread.aio_depth; | |
99c6704f JA |
1817 | td->sync_io = def_thread.sync_io; |
1818 | td->mem_type = def_thread.mem_type; | |
1d035750 | 1819 | td->bw_avg_time = def_thread.bw_avg_time; |
fc097bfe JA |
1820 | td->create_serialize = def_thread.create_serialize; |
1821 | td->create_fsync = def_thread.create_fsync; | |
b6794fbf | 1822 | td->loops = def_thread.loops; |
cfc702bd | 1823 | td->verify = def_thread.verify; |
2a81240d | 1824 | td->stonewall = def_thread.stonewall; |
47d45203 | 1825 | memcpy(&td->cpumask, &def_thread.cpumask, sizeof(td->cpumask)); |
f737299d JA |
1826 | |
1827 | return td; | |
1828 | } | |
1829 | ||
4240cfa1 JA |
1830 | static void put_job(struct thread_data *td) |
1831 | { | |
1832 | memset(&threads[td->thread_number - 1], 0, sizeof(*td)); | |
1833 | thread_number--; | |
1834 | } | |
1835 | ||
5c24b2c4 JA |
1836 | static int add_job(struct thread_data *td, const char *filename, int prioclass, |
1837 | int prio) | |
f737299d | 1838 | { |
47d45203 JA |
1839 | if (td == &def_thread) |
1840 | return 0; | |
1841 | ||
f737299d | 1842 | strcpy(td->file_name, filename); |
4240cfa1 | 1843 | sem_init(&td->mutex, 1, 0); |
f737299d JA |
1844 | td->ioprio = (prioclass << IOPRIO_CLASS_SHIFT) | prio; |
1845 | ||
57d753e3 JA |
1846 | td->clat_stat.min_val = ULONG_MAX; |
1847 | td->slat_stat.min_val = ULONG_MAX; | |
1848 | td->bw_stat.min_val = ULONG_MAX; | |
1849 | ||
8dbff0b1 JA |
1850 | run_str[td->thread_number - 1] = 'P'; |
1851 | ||
4ac89145 JA |
1852 | if (td->use_aio && !td->aio_depth) |
1853 | td->aio_depth = 1; | |
43000118 | 1854 | |
645785e5 | 1855 | if (td->min_bs == -1U) |
8bdcfab5 | 1856 | td->min_bs = td->bs; |
645785e5 | 1857 | if (td->max_bs == -1U) |
8bdcfab5 | 1858 | td->max_bs = td->bs; |
645785e5 | 1859 | if (td_read(td)) |
840b216f | 1860 | td->verify = 0; |
8bdcfab5 | 1861 | |
4240cfa1 JA |
1862 | if (setup_rate(td)) |
1863 | return -1; | |
f737299d | 1864 | |
a0a9b35b JA |
1865 | if (write_lat_log) |
1866 | setup_log(&td->lat_log); | |
1867 | if (write_bw_log) | |
1868 | setup_log(&td->bw_log); | |
1869 | ||
7889f07b | 1870 | 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 | 1871 | return 0; |
892199bd JA |
1872 | } |
1873 | ||
18e0b78c JA |
1874 | static void fill_cpu_mask(cpu_set_t cpumask, int cpu) |
1875 | { | |
f737299d | 1876 | unsigned int i; |
18e0b78c JA |
1877 | |
1878 | CPU_ZERO(&cpumask); | |
1879 | ||
1880 | for (i = 0; i < sizeof(int) * 8; i++) { | |
1881 | if ((1 << i) & cpu) | |
1882 | CPU_SET(i, &cpumask); | |
1883 | } | |
1884 | } | |
1885 | ||
7889f07b JA |
1886 | unsigned long get_mult(char c) |
1887 | { | |
1888 | switch (c) { | |
1889 | case 'k': | |
1890 | case 'K': | |
1891 | return 1024; | |
1892 | case 'm': | |
1893 | case 'M': | |
1894 | return 1024 * 1024; | |
1895 | case 'g': | |
1896 | case 'G': | |
1897 | return 1024 * 1024 * 1024; | |
1898 | default: | |
1899 | return 1; | |
1900 | } | |
1901 | } | |
1902 | ||
02983297 JA |
1903 | /* |
1904 | * convert string after '=' into decimal value, noting any size suffix | |
1905 | */ | |
1906 | static int str_cnv(char *p, unsigned long long *val) | |
1907 | { | |
02983297 JA |
1908 | char *str; |
1909 | int len; | |
1910 | ||
1911 | str = strstr(p, "="); | |
1912 | if (!str) | |
1913 | return 1; | |
1914 | ||
1915 | str++; | |
1916 | len = strlen(str); | |
02983297 JA |
1917 | |
1918 | *val = strtoul(str, NULL, 10); | |
1919 | if (*val == ULONG_MAX && errno == ERANGE) | |
1920 | return 1; | |
1921 | ||
7889f07b | 1922 | *val *= get_mult(str[len - 2]); |
02983297 | 1923 | return 0; |
02983297 JA |
1924 | } |
1925 | ||
02983297 JA |
1926 | static int check_strcnv(char *p, char *name, unsigned long long *val) |
1927 | { | |
1928 | if (!strstr(p, name)) | |
1929 | return 1; | |
1930 | ||
1931 | return str_cnv(p, val); | |
1932 | } | |
1933 | ||
99c6704f JA |
1934 | static int check_str(char *p, char *name, char *option) |
1935 | { | |
1936 | char *s = strstr(p, name); | |
1937 | ||
1938 | if (!s) | |
1939 | return 1; | |
1940 | ||
1941 | s += strlen(name); | |
1942 | if (strstr(s, option)) | |
1943 | return 0; | |
1944 | ||
1945 | return 1; | |
1946 | } | |
1947 | ||
7889f07b JA |
1948 | static int check_range(char *p, char *name, unsigned long *s, unsigned long *e) |
1949 | { | |
1950 | char str[128]; | |
1951 | char s1, s2; | |
1952 | ||
1953 | sprintf(str, "%s=%%lu%%c-%%lu%%c", name); | |
1954 | if (sscanf(p, str, s, &s1, e, &s2) == 4) { | |
1955 | *s *= get_mult(s1); | |
1956 | *e *= get_mult(s2); | |
1957 | return 0; | |
1958 | } | |
1959 | ||
1960 | sprintf(str, "%s = %%lu%%c-%%lu%%c", name); | |
1961 | if (sscanf(p, str, s, &s1, e, &s2) == 4) { | |
1962 | *s *= get_mult(s1); | |
1963 | *e *= get_mult(s2); | |
1964 | return 0; | |
1965 | } | |
1966 | ||
1967 | sprintf(str, "%s=%%lu-%%lu", name); | |
1968 | if (sscanf(p, str, s, e) == 2) | |
1969 | return 0; | |
1970 | ||
1971 | sprintf(str, "%s = %%lu-%%lu", name); | |
1972 | if (sscanf(p, str, s, e) == 2) | |
1973 | return 0; | |
1974 | ||
1975 | return 1; | |
1976 | ||
1977 | } | |
1978 | ||
5c24b2c4 | 1979 | static int check_int(char *p, char *name, unsigned int *val) |
7dd1389e JA |
1980 | { |
1981 | char str[128]; | |
1982 | ||
1983 | sprintf(str, "%s=%%d", name); | |
1984 | if (sscanf(p, str, val) == 1) | |
1985 | return 0; | |
1986 | ||
1987 | sprintf(str, "%s = %%d", name); | |
1988 | if (sscanf(p, str, val) == 1) | |
1989 | return 0; | |
1990 | ||
1991 | return 1; | |
1992 | } | |
1993 | ||
7292613b | 1994 | static int is_empty_or_comment(char *line) |
7dd1389e JA |
1995 | { |
1996 | unsigned int i; | |
1997 | ||
7292613b | 1998 | for (i = 0; i < strlen(line); i++) { |
7292613b | 1999 | if (line[i] == ';') |
47d45203 JA |
2000 | return 1; |
2001 | if (!isspace(line[i]) && !iscntrl(line[i])) | |
7292613b JA |
2002 | return 0; |
2003 | } | |
7dd1389e JA |
2004 | |
2005 | return 1; | |
2006 | } | |
2007 | ||
5c24b2c4 | 2008 | static int parse_jobs_ini(char *file) |
7dd1389e | 2009 | { |
47d45203 | 2010 | unsigned int prioclass, prio, cpu, global; |
8c033f93 | 2011 | unsigned long long ull; |
7889f07b | 2012 | unsigned long ul1, ul2; |
f737299d | 2013 | struct thread_data *td; |
7dd1389e JA |
2014 | char *string, *name; |
2015 | fpos_t off; | |
2016 | FILE *f; | |
2017 | char *p; | |
2018 | ||
2019 | f = fopen(file, "r"); | |
2020 | if (!f) { | |
2021 | perror("fopen"); | |
4240cfa1 | 2022 | return 1; |
7dd1389e JA |
2023 | } |
2024 | ||
2025 | string = malloc(4096); | |
2026 | name = malloc(256); | |
2027 | ||
7dd1389e | 2028 | while ((p = fgets(string, 4096, f)) != NULL) { |
7292613b JA |
2029 | if (is_empty_or_comment(p)) |
2030 | continue; | |
7dd1389e JA |
2031 | if (sscanf(p, "[%s]", name) != 1) |
2032 | continue; | |
2033 | ||
47d45203 JA |
2034 | global = !strncmp(name, "global", 6); |
2035 | ||
7dd1389e JA |
2036 | name[strlen(name) - 1] = '\0'; |
2037 | ||
47d45203 | 2038 | td = get_new_job(global); |
4240cfa1 JA |
2039 | if (!td) |
2040 | break; | |
f737299d | 2041 | |
7dd1389e | 2042 | prioclass = 2; |
f737299d | 2043 | prio = 4; |
7dd1389e JA |
2044 | |
2045 | fgetpos(f, &off); | |
2046 | while ((p = fgets(string, 4096, f)) != NULL) { | |
7292613b | 2047 | if (is_empty_or_comment(p)) |
e6402082 JA |
2048 | continue; |
2049 | if (strstr(p, "[")) | |
7dd1389e | 2050 | break; |
f737299d | 2051 | if (!check_int(p, "rw", &td->ddir)) { |
7dd1389e JA |
2052 | fgetpos(f, &off); |
2053 | continue; | |
2054 | } | |
2055 | if (!check_int(p, "prio", &prio)) { | |
2056 | fgetpos(f, &off); | |
2057 | continue; | |
2058 | } | |
2059 | if (!check_int(p, "prioclass", &prioclass)) { | |
2060 | fgetpos(f, &off); | |
2061 | continue; | |
2062 | } | |
f737299d | 2063 | if (!check_int(p, "direct", &td->odirect)) { |
7dd1389e JA |
2064 | fgetpos(f, &off); |
2065 | continue; | |
2066 | } | |
f737299d | 2067 | if (!check_int(p, "rate", &td->rate)) { |
7dd1389e JA |
2068 | fgetpos(f, &off); |
2069 | continue; | |
2070 | } | |
4240cfa1 JA |
2071 | if (!check_int(p, "ratemin", &td->ratemin)) { |
2072 | fgetpos(f, &off); | |
2073 | continue; | |
2074 | } | |
2075 | if (!check_int(p, "ratecycle", &td->ratecycle)) { | |
2076 | fgetpos(f, &off); | |
2077 | continue; | |
2078 | } | |
e97712ed | 2079 | if (!check_int(p, "thinktime", &td->thinktime)) { |
7dd1389e JA |
2080 | fgetpos(f, &off); |
2081 | continue; | |
2082 | } | |
18e0b78c | 2083 | if (!check_int(p, "cpumask", &cpu)) { |
f737299d | 2084 | fill_cpu_mask(td->cpumask, cpu); |
18e0b78c JA |
2085 | fgetpos(f, &off); |
2086 | continue; | |
2087 | } | |
4240cfa1 JA |
2088 | if (!check_int(p, "fsync", &td->fsync_blocks)) { |
2089 | fgetpos(f, &off); | |
2090 | continue; | |
2091 | } | |
fc24389f JA |
2092 | if (!check_int(p, "startdelay", &td->start_delay)) { |
2093 | fgetpos(f, &off); | |
2094 | continue; | |
2095 | } | |
67903a2e JA |
2096 | if (!check_int(p, "timeout", &td->timeout)) { |
2097 | fgetpos(f, &off); | |
2098 | continue; | |
2099 | } | |
b95799ca JA |
2100 | if (!check_int(p, "invalidate",&td->invalidate_cache)) { |
2101 | fgetpos(f, &off); | |
2102 | continue; | |
2103 | } | |
43000118 JA |
2104 | if (!check_int(p, "aio_depth", &td->aio_depth)) { |
2105 | fgetpos(f, &off); | |
2106 | continue; | |
2107 | } | |
74b4b5fb JA |
2108 | if (!check_int(p, "sync", &td->sync_io)) { |
2109 | fgetpos(f, &off); | |
2110 | continue; | |
2111 | } | |
1d035750 JA |
2112 | if (!check_int(p, "bwavgtime", &td->bw_avg_time)) { |
2113 | fgetpos(f, &off); | |
2114 | continue; | |
2115 | } | |
fc097bfe JA |
2116 | if (!check_int(p, "create_serialize", &td->create_serialize)) { |
2117 | fgetpos(f, &off); | |
2118 | continue; | |
2119 | } | |
2120 | if (!check_int(p, "create_fsync", &td->create_fsync)) { | |
2121 | fgetpos(f, &off); | |
2122 | continue; | |
2123 | } | |
b6794fbf JA |
2124 | if (!check_int(p, "loops", &td->loops)) { |
2125 | fgetpos(f, &off); | |
2126 | continue; | |
2127 | } | |
e8457004 JA |
2128 | if (!check_int(p, "verify", &td->verify)) { |
2129 | fgetpos(f, &off); | |
2130 | continue; | |
2131 | } | |
7889f07b | 2132 | if (!check_range(p, "bsrange", &ul1, &ul2)) { |
7f27790b JA |
2133 | if (ul1 & 511) |
2134 | printf("bad min block size, must be a multiple of 512\n"); | |
2135 | else | |
2136 | td->min_bs = ul1; | |
2137 | if (ul2 & 511) | |
2138 | printf("bad max block size, must be a multiple of 512\n"); | |
2139 | else | |
2140 | td->max_bs = ul2; | |
7889f07b JA |
2141 | fgetpos(f, &off); |
2142 | continue; | |
2143 | } | |
8c033f93 | 2144 | if (!check_strcnv(p, "bs", &ull)) { |
7f27790b JA |
2145 | if (ull & 511) |
2146 | printf("bad block size, must be a multiple of 512\n"); | |
2147 | else | |
2148 | td->bs = ull; | |
8c033f93 JA |
2149 | fgetpos(f, &off); |
2150 | continue; | |
2151 | } | |
02983297 JA |
2152 | if (!check_strcnv(p, "size", &td->file_size)) { |
2153 | fgetpos(f, &off); | |
2154 | continue; | |
2155 | } | |
2156 | if (!check_strcnv(p, "offset", &td->file_offset)) { | |
2157 | fgetpos(f, &off); | |
2158 | continue; | |
2159 | } | |
99c6704f | 2160 | if (!check_str(p, "mem", "malloc")) { |
99c6704f JA |
2161 | td->mem_type = MEM_MALLOC; |
2162 | fgetpos(f, &off); | |
2163 | continue; | |
2164 | } | |
2165 | if (!check_str(p, "mem", "shm")) { | |
99c6704f JA |
2166 | td->mem_type = MEM_SHM; |
2167 | fgetpos(f, &off); | |
2168 | continue; | |
2169 | } | |
43000118 | 2170 | if (!strncmp(p, "sequential", 10)) { |
f737299d | 2171 | td->sequential = 1; |
7dd1389e JA |
2172 | fgetpos(f, &off); |
2173 | continue; | |
2174 | } | |
43000118 | 2175 | if (!strncmp(p, "random", 6)) { |
f737299d | 2176 | td->sequential = 0; |
7dd1389e JA |
2177 | fgetpos(f, &off); |
2178 | continue; | |
2179 | } | |
43000118 JA |
2180 | if (!strncmp(p, "aio", 3)) { |
2181 | td->use_aio = 1; | |
2182 | fgetpos(f, &off); | |
2183 | continue; | |
2184 | } | |
02983297 JA |
2185 | if (!strncmp(p, "create", 6)) { |
2186 | td->create_file = 1; | |
2187 | fgetpos(f, &off); | |
2188 | continue; | |
2189 | } | |
2190 | if (!strncmp(p, "overwrite", 9)) { | |
2191 | td->overwrite = 1; | |
2192 | fgetpos(f, &off); | |
2193 | continue; | |
2194 | } | |
98dd52d6 JA |
2195 | if (!strncmp(p, "exitall", 7)) { |
2196 | exitall_on_terminate = 1; | |
2197 | fgetpos(f, &off); | |
2198 | continue; | |
2199 | } | |
2a81240d JA |
2200 | if (!strncmp(p, "stonewall", 9)) { |
2201 | td->stonewall = 1; | |
2202 | fgetpos(f, &off); | |
2203 | continue; | |
2204 | } | |
e6402082 | 2205 | printf("Client%d: bad option %s\n",td->thread_number,p); |
7dd1389e JA |
2206 | } |
2207 | fsetpos(f, &off); | |
2208 | ||
4240cfa1 JA |
2209 | if (add_job(td, name, prioclass, prio)) |
2210 | put_job(td); | |
7dd1389e JA |
2211 | } |
2212 | ||
2213 | free(string); | |
2214 | free(name); | |
fc7d63df | 2215 | fclose(f); |
4240cfa1 | 2216 | return 0; |
7dd1389e JA |
2217 | } |
2218 | ||
5c24b2c4 | 2219 | static int parse_options(int argc, char *argv[]) |
892199bd | 2220 | { |
01c4d8de | 2221 | int i; |
892199bd JA |
2222 | |
2223 | for (i = 1; i < argc; i++) { | |
2224 | char *parm = argv[i]; | |
2225 | ||
2226 | if (parm[0] != '-') | |
2227 | break; | |
2228 | ||
2229 | parm++; | |
2230 | switch (*parm) { | |
2231 | case 's': | |
2232 | parm++; | |
47d45203 | 2233 | def_thread.sequential = !!atoi(parm); |
892199bd JA |
2234 | break; |
2235 | case 'b': | |
2236 | parm++; | |
47d45203 JA |
2237 | def_thread.bs = atoi(parm); |
2238 | def_thread.bs <<= 10; | |
2239 | if (!def_thread.bs) { | |
4240cfa1 | 2240 | printf("bad block size\n"); |
47d45203 | 2241 | def_thread.bs = DEF_BS; |
4240cfa1 | 2242 | } |
892199bd JA |
2243 | break; |
2244 | case 't': | |
2245 | parm++; | |
47d45203 | 2246 | def_thread.timeout = atoi(parm); |
892199bd | 2247 | break; |
892199bd JA |
2248 | case 'r': |
2249 | parm++; | |
2250 | repeatable = !!atoi(parm); | |
2251 | break; | |
02bdd9ba JA |
2252 | case 'R': |
2253 | parm++; | |
2254 | rate_quit = !!atoi(parm); | |
2255 | break; | |
892199bd JA |
2256 | case 'o': |
2257 | parm++; | |
47d45203 | 2258 | def_thread.odirect = !!atoi(parm); |
892199bd | 2259 | break; |
7dd1389e JA |
2260 | case 'f': |
2261 | if (i + 1 >= argc) { | |
2262 | printf("-f needs file as arg\n"); | |
2263 | break; | |
2264 | } | |
2265 | ini_file = strdup(argv[i+1]); | |
a642279f | 2266 | i++; |
7dd1389e | 2267 | break; |
a0a9b35b JA |
2268 | case 'l': |
2269 | write_lat_log = 1; | |
2270 | break; | |
2271 | case 'w': | |
2272 | write_bw_log = 1; | |
2273 | break; | |
892199bd | 2274 | default: |
7dd1389e | 2275 | printf("bad option %s\n", argv[i]); |
892199bd JA |
2276 | break; |
2277 | } | |
2278 | } | |
2279 | ||
892199bd JA |
2280 | return i; |
2281 | } | |
2282 | ||
3f39453a | 2283 | static void print_thread_status(struct thread_data *td, int nr_running, |
8dbff0b1 | 2284 | int t_rate, int m_rate) |
3f39453a | 2285 | { |
3f39453a JA |
2286 | printf("Threads now running: %d", nr_running); |
2287 | if (m_rate || t_rate) | |
2288 | printf(", commitrate %d/%dKiB/sec", t_rate, m_rate); | |
8dbff0b1 JA |
2289 | printf(" : [%s]\r", run_str); |
2290 | fflush(stdout); | |
3f39453a JA |
2291 | } |
2292 | ||
40ef7f64 JA |
2293 | static void check_str_update(struct thread_data *td, int n, int t, int m) |
2294 | { | |
2295 | char c = run_str[td->thread_number - 1]; | |
2296 | ||
2297 | if (td->runstate == td->old_runstate) | |
2298 | return; | |
2299 | ||
2300 | switch (td->runstate) { | |
2301 | case TD_REAPED: | |
2302 | c = '_'; | |
2303 | break; | |
f4bb2243 JA |
2304 | case TD_EXITED: |
2305 | c = 'E'; | |
2306 | break; | |
40ef7f64 | 2307 | case TD_RUNNING: |
af678352 JA |
2308 | if (td_read(td)) { |
2309 | if (td->sequential) | |
2310 | c = 'R'; | |
2311 | else | |
2312 | c = 'r'; | |
2313 | } else { | |
2314 | if (td->sequential) | |
2315 | c = 'W'; | |
2316 | else | |
2317 | c = 'w'; | |
2318 | } | |
40ef7f64 JA |
2319 | break; |
2320 | case TD_VERIFYING: | |
2321 | c = 'V'; | |
2322 | break; | |
2323 | case TD_CREATED: | |
2324 | c = 'C'; | |
2325 | break; | |
2326 | case TD_NOT_CREATED: | |
2327 | c = 'P'; | |
2328 | break; | |
2329 | default: | |
2330 | printf("state %d\n", td->runstate); | |
2331 | } | |
2332 | ||
2333 | run_str[td->thread_number - 1] = c; | |
2334 | print_thread_status(td, n, t, m); | |
2335 | td->old_runstate = td->runstate; | |
2336 | } | |
2337 | ||
213b446c | 2338 | static void reap_threads(int *nr_running, int *t_rate, int *m_rate) |
02bdd9ba | 2339 | { |
213b446c | 2340 | int i; |
02bdd9ba | 2341 | |
3f39453a JA |
2342 | /* |
2343 | * reap exited threads (TD_EXITED -> TD_REAPED) | |
2344 | */ | |
02bdd9ba JA |
2345 | for (i = 0; i < thread_number; i++) { |
2346 | struct thread_data *td = &threads[i]; | |
2347 | ||
40ef7f64 JA |
2348 | check_str_update(td, *nr_running, *t_rate, *m_rate); |
2349 | ||
213b446c JA |
2350 | if (td->runstate != TD_EXITED) |
2351 | continue; | |
02bdd9ba | 2352 | |
40ef7f64 | 2353 | td_set_runstate(td, TD_REAPED); |
213b446c JA |
2354 | waitpid(td->pid, NULL, 0); |
2355 | (*nr_running)--; | |
2356 | (*m_rate) -= td->ratemin; | |
2357 | (*t_rate) -= td->rate; | |
40ef7f64 | 2358 | check_str_update(td, *nr_running, *t_rate, *m_rate); |
e6402082 JA |
2359 | |
2360 | if (td->terminate) | |
2361 | continue; | |
213b446c | 2362 | } |
02bdd9ba JA |
2363 | } |
2364 | ||
fc24389f JA |
2365 | static void run_threads(char *argv[]) |
2366 | { | |
be33abe4 | 2367 | struct timeval genesis; |
fc24389f JA |
2368 | struct thread_data *td; |
2369 | unsigned long spent; | |
2a81240d | 2370 | int i, todo, nr_running, m_rate, t_rate, nr_started; |
fc24389f | 2371 | |
fc24389f JA |
2372 | printf("Starting %d threads\n", thread_number); |
2373 | fflush(stdout); | |
2374 | ||
7292613b JA |
2375 | signal(SIGINT, sig_handler); |
2376 | ||
fc24389f | 2377 | todo = thread_number; |
02bdd9ba | 2378 | nr_running = 0; |
2a81240d | 2379 | nr_started = 0; |
213b446c | 2380 | m_rate = t_rate = 0; |
fc24389f | 2381 | |
8bdcfab5 JA |
2382 | for (i = 0; i < thread_number; i++) { |
2383 | td = &threads[i]; | |
2384 | ||
fc097bfe JA |
2385 | if (!td->create_serialize) |
2386 | continue; | |
2387 | ||
8bdcfab5 JA |
2388 | /* |
2389 | * do file setup here so it happens sequentially, | |
2390 | * we don't want X number of threads getting their | |
2391 | * client data interspersed on disk | |
2392 | */ | |
2393 | if (setup_file(td)) { | |
40ef7f64 | 2394 | td_set_runstate(td, TD_REAPED); |
8bdcfab5 JA |
2395 | todo--; |
2396 | } | |
2397 | } | |
2398 | ||
2399 | gettimeofday(&genesis, NULL); | |
2400 | ||
213b446c | 2401 | while (todo) { |
3f39453a JA |
2402 | /* |
2403 | * create threads (TD_NOT_CREATED -> TD_CREATED) | |
2404 | */ | |
fc24389f JA |
2405 | for (i = 0; i < thread_number; i++) { |
2406 | td = &threads[i]; | |
2407 | ||
02bdd9ba | 2408 | if (td->runstate != TD_NOT_CREATED) |
fc24389f JA |
2409 | continue; |
2410 | ||
213b446c JA |
2411 | /* |
2412 | * never got a chance to start, killed by other | |
2413 | * thread for some reason | |
2414 | */ | |
2415 | if (td->terminate) { | |
2416 | todo--; | |
2417 | continue; | |
2418 | } | |
2419 | ||
fc24389f | 2420 | if (td->start_delay) { |
be33abe4 | 2421 | spent = mtime_since_now(&genesis); |
fc24389f JA |
2422 | |
2423 | if (td->start_delay * 1000 > spent) | |
2424 | continue; | |
2425 | } | |
2426 | ||
2a81240d | 2427 | if (td->stonewall && (nr_started || nr_running)) |
ea6f96a2 | 2428 | break; |
2a81240d | 2429 | |
40ef7f64 JA |
2430 | td_set_runstate(td, TD_CREATED); |
2431 | check_str_update(td, nr_running, t_rate, m_rate); | |
fc24389f JA |
2432 | sem_init(&startup_sem, 1, 1); |
2433 | todo--; | |
2a81240d | 2434 | nr_started++; |
fc24389f JA |
2435 | |
2436 | if (fork()) | |
2437 | sem_wait(&startup_sem); | |
2438 | else { | |
2439 | thread_main(shm_id, i, argv); | |
2440 | exit(0); | |
2441 | } | |
2442 | } | |
2443 | ||
3f39453a | 2444 | /* |
e8457004 | 2445 | * start created threads (TD_CREATED -> TD_RUNNING) |
3f39453a | 2446 | */ |
fc24389f JA |
2447 | for (i = 0; i < thread_number; i++) { |
2448 | struct thread_data *td = &threads[i]; | |
2449 | ||
3f39453a JA |
2450 | if (td->runstate != TD_CREATED) |
2451 | continue; | |
2452 | ||
40ef7f64 | 2453 | td_set_runstate(td, TD_RUNNING); |
3f39453a | 2454 | nr_running++; |
2a81240d | 2455 | nr_started--; |
3f39453a JA |
2456 | m_rate += td->ratemin; |
2457 | t_rate += td->rate; | |
40ef7f64 | 2458 | check_str_update(td, nr_running, t_rate, m_rate); |
3f39453a | 2459 | sem_post(&td->mutex); |
fc24389f JA |
2460 | } |
2461 | ||
e8457004 JA |
2462 | for (i = 0; i < thread_number; i++) { |
2463 | struct thread_data *td = &threads[i]; | |
2464 | ||
2465 | if (td->runstate == TD_RUNNING) | |
2466 | run_str[td->thread_number - 1] = '+'; | |
2467 | else if (td->runstate == TD_VERIFYING) | |
2468 | run_str[td->thread_number - 1] = 'V'; | |
2469 | else | |
2470 | continue; | |
2471 | ||
40ef7f64 | 2472 | check_str_update(td, nr_running, t_rate, m_rate); |
e8457004 JA |
2473 | } |
2474 | ||
213b446c | 2475 | reap_threads(&nr_running, &t_rate, &m_rate); |
02bdd9ba | 2476 | |
fc24389f JA |
2477 | if (todo) |
2478 | usleep(100000); | |
2479 | } | |
02bdd9ba JA |
2480 | |
2481 | while (nr_running) { | |
213b446c | 2482 | reap_threads(&nr_running, &t_rate, &m_rate); |
02bdd9ba JA |
2483 | usleep(10000); |
2484 | } | |
fc24389f JA |
2485 | } |
2486 | ||
8867c0a8 | 2487 | int setup_thread_area(void) |
892199bd | 2488 | { |
8867c0a8 JA |
2489 | /* |
2490 | * 1024 is too much on some machines, scale max_jobs if | |
2491 | * we get a failure that looks like too large a shm segment | |
2492 | */ | |
2493 | do { | |
2494 | int s = max_jobs * sizeof(struct thread_data); | |
18e0b78c | 2495 | |
8867c0a8 JA |
2496 | shm_id = shmget(0, s, IPC_CREAT | 0600); |
2497 | if (shm_id != -1) | |
2498 | break; | |
2499 | if (errno != EINVAL) { | |
2500 | perror("shmget"); | |
2501 | break; | |
2502 | } | |
2503 | ||
2504 | max_jobs >>= 1; | |
d4fac444 | 2505 | } while (max_jobs); |
8867c0a8 JA |
2506 | |
2507 | if (shm_id == -1) | |
892199bd | 2508 | return 1; |
892199bd JA |
2509 | |
2510 | threads = shmat(shm_id, NULL, 0); | |
8867c0a8 | 2511 | if (threads == (void *) -1) { |
86184d14 JA |
2512 | perror("shmat"); |
2513 | return 1; | |
2514 | } | |
892199bd JA |
2515 | |
2516 | atexit(free_shm); | |
8867c0a8 JA |
2517 | return 0; |
2518 | } | |
2519 | ||
2520 | int main(int argc, char *argv[]) | |
2521 | { | |
8c033f93 | 2522 | static unsigned long max_run[2], min_run[2]; |
57d753e3 | 2523 | static unsigned long max_bw[2], min_bw[2]; |
22334044 | 2524 | static unsigned long io_mb[2], agg[2]; |
8867c0a8 JA |
2525 | int i; |
2526 | ||
2527 | if (setup_thread_area()) | |
2528 | return 1; | |
892199bd | 2529 | |
47d45203 | 2530 | if (sched_getaffinity(getpid(), sizeof(cpu_set_t), &def_thread.cpumask) == -1) { |
4240cfa1 JA |
2531 | perror("sched_getaffinity"); |
2532 | return 1; | |
2533 | } | |
2534 | ||
47d45203 JA |
2535 | /* |
2536 | * fill globals | |
2537 | */ | |
2538 | def_thread.ddir = DDIR_READ; | |
2539 | def_thread.bs = DEF_BS; | |
7889f07b JA |
2540 | def_thread.min_bs = -1; |
2541 | def_thread.max_bs = -1; | |
02983297 | 2542 | def_thread.odirect = DEF_ODIRECT; |
47d45203 | 2543 | def_thread.ratecycle = DEF_RATE_CYCLE; |
02983297 | 2544 | def_thread.sequential = DEF_SEQUENTIAL; |
47d45203 | 2545 | def_thread.timeout = DEF_TIMEOUT; |
02983297 JA |
2546 | def_thread.create_file = DEF_CREATE; |
2547 | def_thread.overwrite = DEF_OVERWRITE; | |
b95799ca | 2548 | def_thread.invalidate_cache = DEF_INVALIDATE; |
99c6704f JA |
2549 | def_thread.sync_io = DEF_SYNCIO; |
2550 | def_thread.mem_type = MEM_MALLOC; | |
1d035750 | 2551 | def_thread.bw_avg_time = DEF_BWAVGTIME; |
fc097bfe JA |
2552 | def_thread.create_serialize = DEF_CREATE_SER; |
2553 | def_thread.create_fsync = DEF_CREATE_FSYNC; | |
b6794fbf | 2554 | def_thread.loops = DEF_LOOPS; |
cfc702bd | 2555 | def_thread.verify = DEF_VERIFY; |
2a81240d | 2556 | def_thread.stonewall = DEF_STONEWALL; |
47d45203 | 2557 | |
892199bd | 2558 | i = parse_options(argc, argv); |
7dd1389e | 2559 | |
5961d92c JA |
2560 | if (!ini_file) { |
2561 | printf("Need job file\n"); | |
2562 | return 1; | |
2563 | } | |
2564 | ||
2565 | if (parse_jobs_ini(ini_file)) | |
2566 | return 1; | |
7dd1389e | 2567 | |
4240cfa1 JA |
2568 | if (!thread_number) { |
2569 | printf("Nothing to do\n"); | |
2570 | return 1; | |
2571 | } | |
7dd1389e | 2572 | |
fc24389f | 2573 | run_threads(argv); |
892199bd | 2574 | |
892199bd JA |
2575 | min_bw[0] = min_run[0] = ~0UL; |
2576 | min_bw[1] = min_run[1] = ~0UL; | |
22334044 JA |
2577 | io_mb[0] = io_mb[1] = 0; |
2578 | agg[0] = agg[1] = 0; | |
892199bd JA |
2579 | for (i = 0; i < thread_number; i++) { |
2580 | struct thread_data *td = &threads[i]; | |
2581 | unsigned long bw = 0; | |
2582 | ||
22334044 JA |
2583 | if (!td->error) { |
2584 | if (td->runtime < min_run[td->ddir]) | |
2585 | min_run[td->ddir] = td->runtime; | |
2586 | if (td->runtime > max_run[td->ddir]) | |
2587 | max_run[td->ddir] = td->runtime; | |
892199bd | 2588 | |
892199bd | 2589 | if (td->runtime) |
49d2caab | 2590 | bw = td->io_bytes / td->runtime; |
22334044 JA |
2591 | if (bw < min_bw[td->ddir]) |
2592 | min_bw[td->ddir] = bw; | |
2593 | if (bw > max_bw[td->ddir]) | |
2594 | max_bw[td->ddir] = bw; | |
2595 | ||
49d2caab | 2596 | io_mb[td->ddir] += td->io_bytes >> 20; |
892199bd JA |
2597 | } |
2598 | ||
2599 | show_thread_status(td); | |
2600 | } | |
22334044 JA |
2601 | |
2602 | if (max_run[0]) | |
49d2caab | 2603 | agg[0] = (io_mb[0] * 1024 * 1000) / max_run[0]; |
22334044 | 2604 | if (max_run[1]) |
49d2caab | 2605 | agg[1] = (io_mb[1] * 1024 * 1000) / max_run[1]; |
22334044 | 2606 | |
57d753e3 | 2607 | printf("\nRun status:\n"); |
892199bd | 2608 | if (max_run[DDIR_READ]) |
22334044 | 2609 | 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 | 2610 | if (max_run[DDIR_WRITE]) |
22334044 | 2611 | 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 | 2612 | |
892199bd JA |
2613 | return 0; |
2614 | } |