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> |
892199bd | 45 | |
fd11d7af | 46 | #include "arch.h" |
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 | static int ioprio_set(int which, int who, int ioprio) |
57 | { | |
58 | return syscall(__NR_ioprio_set, which, who, ioprio); | |
59 | } | |
60 | ||
b95799ca JA |
61 | /* |
62 | * we want fadvise64 really, but it's so tangled... later | |
63 | */ | |
64 | static int fadvise(int fd, loff_t offset, size_t len, int advice) | |
65 | { | |
66 | #if 0 | |
67 | return syscall(__NR_fadvise64, fd, offset, offset >> 32, len, advice); | |
68 | #else | |
69 | return posix_fadvise(fd, (off_t) offset, len, advice); | |
70 | #endif | |
71 | } | |
72 | ||
892199bd JA |
73 | enum { |
74 | IOPRIO_WHO_PROCESS = 1, | |
75 | IOPRIO_WHO_PGRP, | |
76 | IOPRIO_WHO_USER, | |
77 | }; | |
78 | ||
79 | #define IOPRIO_CLASS_SHIFT 13 | |
80 | ||
892199bd JA |
81 | #define MASK (4095) |
82 | ||
4240cfa1 | 83 | #define DEF_BS (4096) |
01f79976 | 84 | #define DEF_TIMEOUT (0) |
4240cfa1 JA |
85 | #define DEF_RATE_CYCLE (1000) |
86 | #define DEF_ODIRECT (1) | |
87 | #define DEF_SEQUENTIAL (1) | |
4240cfa1 | 88 | #define DEF_RAND_REPEAT (1) |
02983297 JA |
89 | #define DEF_OVERWRITE (0) |
90 | #define DEF_CREATE (1) | |
b95799ca | 91 | #define DEF_INVALIDATE (1) |
99c6704f | 92 | #define DEF_SYNCIO (0) |
eb39963f | 93 | #define DEF_RANDSEED (0xb1899bedUL) |
1d035750 | 94 | #define DEF_BWAVGTIME (500) |
fc097bfe JA |
95 | #define DEF_CREATE_SER (1) |
96 | #define DEF_CREATE_FSYNC (1) | |
b6794fbf | 97 | #define DEF_LOOPS (1) |
cfc702bd | 98 | #define DEF_VERIFY (0) |
2a81240d | 99 | #define DEF_STONEWALL (0) |
fe74f555 | 100 | #define DEF_NUMJOBS (1) |
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; |
0d80f40d | 109 | static int groupid; |
892199bd | 110 | |
892199bd | 111 | static int thread_number; |
7dd1389e | 112 | static char *ini_file; |
892199bd | 113 | |
8867c0a8 JA |
114 | static int max_jobs = MAX_JOBS; |
115 | ||
8dbff0b1 JA |
116 | static char run_str[MAX_JOBS + 1]; |
117 | ||
892199bd JA |
118 | static int shm_id; |
119 | ||
4240cfa1 JA |
120 | enum { |
121 | DDIR_READ = 0, | |
122 | DDIR_WRITE, | |
123 | }; | |
892199bd | 124 | |
02bdd9ba JA |
125 | /* |
126 | * thread life cycle | |
127 | */ | |
128 | enum { | |
129 | TD_NOT_CREATED = 0, | |
130 | TD_CREATED, | |
e8457004 JA |
131 | TD_RUNNING, |
132 | TD_VERIFYING, | |
02bdd9ba JA |
133 | TD_EXITED, |
134 | TD_REAPED, | |
135 | }; | |
136 | ||
99c6704f JA |
137 | enum { |
138 | MEM_MALLOC, | |
139 | MEM_SHM, | |
140 | }; | |
141 | ||
2c83567e JA |
142 | /* |
143 | * The io unit | |
144 | */ | |
145 | struct io_u { | |
146 | struct iocb iocb; | |
57d753e3 | 147 | struct timeval start_time; |
2c83567e JA |
148 | struct timeval issue_time; |
149 | ||
2c83567e JA |
150 | char *buf; |
151 | unsigned int buflen; | |
4ac89145 | 152 | unsigned long long offset; |
2c83567e JA |
153 | |
154 | struct list_head list; | |
155 | }; | |
156 | ||
57d753e3 JA |
157 | struct io_stat { |
158 | unsigned long val; | |
159 | unsigned long val_sq; | |
160 | unsigned long max_val; | |
161 | unsigned long min_val; | |
162 | unsigned long samples; | |
163 | }; | |
164 | ||
a0a9b35b JA |
165 | struct io_sample { |
166 | unsigned long time; | |
167 | unsigned long val; | |
168 | }; | |
169 | ||
170 | struct io_log { | |
171 | unsigned long nr_samples; | |
172 | unsigned long max_samples; | |
173 | struct io_sample *log; | |
174 | }; | |
175 | ||
645785e5 JA |
176 | struct io_piece { |
177 | struct list_head list; | |
178 | unsigned long long offset; | |
179 | unsigned int len; | |
180 | }; | |
181 | ||
e8457004 JA |
182 | #define FIO_HDR_MAGIC 0xf00baaef |
183 | ||
184 | struct verify_header { | |
185 | unsigned int fio_magic; | |
186 | unsigned int len; | |
187 | char md5_digest[MD5_HASH_WORDS * 4]; | |
188 | }; | |
189 | ||
02983297 | 190 | #define td_read(td) ((td)->ddir == DDIR_READ) |
62bb4285 JA |
191 | #define td_write(td) ((td)->ddir == DDIR_WRITE) |
192 | #define should_fsync(td) (td_write(td) && !(td)->odirect) | |
02983297 | 193 | |
49d2caab | 194 | #define BLOCKS_PER_MAP (8 * sizeof(long)) |
75b2ab2c JA |
195 | #define TO_MAP_BLOCK(td, b) ((b) - ((td)->file_offset / (td)->min_bs)) |
196 | #define RAND_MAP_IDX(td, b) (TO_MAP_BLOCK(td, b) / BLOCKS_PER_MAP) | |
197 | #define RAND_MAP_BIT(td, b) (TO_MAP_BLOCK(td, b) & (BLOCKS_PER_MAP - 1)) | |
49d2caab | 198 | |
892199bd JA |
199 | struct thread_data { |
200 | char file_name[256]; | |
fe74f555 | 201 | char directory[256]; |
892199bd | 202 | int thread_number; |
0d80f40d | 203 | int groupid; |
892199bd JA |
204 | int error; |
205 | int fd; | |
892199bd | 206 | pid_t pid; |
6b71c826 | 207 | char *orig_buffer; |
4240cfa1 | 208 | volatile int terminate; |
02bdd9ba | 209 | volatile int runstate; |
40ef7f64 | 210 | volatile int old_runstate; |
f737299d JA |
211 | unsigned int ddir; |
212 | unsigned int ioprio; | |
213 | unsigned int sequential; | |
214 | unsigned int bs; | |
8c033f93 JA |
215 | unsigned int min_bs; |
216 | unsigned int max_bs; | |
f737299d | 217 | unsigned int odirect; |
e97712ed | 218 | unsigned int thinktime; |
4240cfa1 | 219 | unsigned int fsync_blocks; |
fc24389f | 220 | unsigned int start_delay; |
47d45203 | 221 | unsigned int timeout; |
43000118 | 222 | unsigned int use_aio; |
02983297 JA |
223 | unsigned int create_file; |
224 | unsigned int overwrite; | |
b95799ca | 225 | unsigned int invalidate_cache; |
1d035750 | 226 | unsigned int bw_avg_time; |
fc097bfe JA |
227 | unsigned int create_serialize; |
228 | unsigned int create_fsync; | |
b6794fbf | 229 | unsigned int loops; |
02983297 JA |
230 | unsigned long long file_size; |
231 | unsigned long long file_offset; | |
74b4b5fb | 232 | unsigned int sync_io; |
99c6704f | 233 | unsigned int mem_type; |
cfc702bd | 234 | unsigned int verify; |
2a81240d | 235 | unsigned int stonewall; |
fe74f555 | 236 | unsigned int numjobs; |
18e0b78c | 237 | cpu_set_t cpumask; |
86184d14 | 238 | |
7889f07b | 239 | struct drand48_data bsrange_state; |
e8457004 | 240 | struct drand48_data verify_state; |
7889f07b | 241 | |
99c6704f JA |
242 | int shm_id; |
243 | ||
63a09e51 JA |
244 | off_t cur_off; |
245 | ||
254605cd | 246 | io_context_t aio_ctx; |
43000118 | 247 | unsigned int aio_depth; |
43000118 | 248 | struct io_event *aio_events; |
2c83567e JA |
249 | |
250 | unsigned int cur_depth; | |
251 | struct list_head io_u_freelist; | |
252 | struct list_head io_u_busylist; | |
43000118 | 253 | |
7dd1389e | 254 | unsigned int rate; |
4240cfa1 JA |
255 | unsigned int ratemin; |
256 | unsigned int ratecycle; | |
257 | unsigned long rate_usec_cycle; | |
258 | long rate_pending_usleep; | |
49d2caab | 259 | unsigned long rate_bytes; |
4240cfa1 | 260 | struct timeval lastrate; |
86184d14 | 261 | |
892199bd | 262 | unsigned long runtime; /* sec */ |
49d2caab | 263 | unsigned long long io_size; |
e2ba35d9 | 264 | |
4240cfa1 | 265 | unsigned long io_blocks; |
49d2caab JA |
266 | unsigned long io_bytes; |
267 | unsigned long this_io_bytes; | |
268 | unsigned long last_bytes; | |
892199bd | 269 | sem_t mutex; |
49d2caab | 270 | |
892199bd | 271 | struct drand48_data random_state; |
49d2caab JA |
272 | unsigned long *file_map; |
273 | unsigned int num_maps; | |
892199bd JA |
274 | |
275 | /* | |
e128065d | 276 | * bandwidth and latency stats |
892199bd | 277 | */ |
57d753e3 JA |
278 | struct io_stat clat_stat; /* completion latency */ |
279 | struct io_stat slat_stat; /* submission latency */ | |
280 | ||
281 | struct io_stat bw_stat; /* bandwidth stats */ | |
49d2caab | 282 | unsigned long stat_io_bytes; |
fd1ae4c9 | 283 | struct timeval stat_sample_time; |
4240cfa1 | 284 | |
a0a9b35b JA |
285 | struct io_log *lat_log; |
286 | struct io_log *bw_log; | |
287 | ||
4240cfa1 | 288 | struct timeval start; |
f6dcd824 | 289 | |
92b229ed JA |
290 | struct rusage ru_start; |
291 | struct rusage ru_end; | |
f6dcd824 JA |
292 | unsigned long usr_time; |
293 | unsigned long sys_time; | |
294 | unsigned long ctx; | |
645785e5 JA |
295 | |
296 | struct list_head io_hist_list; | |
892199bd JA |
297 | }; |
298 | ||
299 | static struct thread_data *threads; | |
47d45203 | 300 | static struct thread_data def_thread; |
892199bd JA |
301 | |
302 | static sem_t startup_sem; | |
303 | ||
5c24b2c4 | 304 | static void sig_handler(int sig) |
892199bd JA |
305 | { |
306 | int i; | |
307 | ||
213b446c JA |
308 | for (i = 0; i < thread_number; i++) { |
309 | struct thread_data *td = &threads[i]; | |
310 | ||
311 | td->terminate = 1; | |
312 | td->start_delay = 0; | |
313 | } | |
02bdd9ba JA |
314 | } |
315 | ||
e8457004 | 316 | static int init_random_state(struct thread_data *td) |
946d8870 | 317 | { |
e8457004 | 318 | unsigned long seed; |
49d2caab | 319 | int fd, num_maps, blocks; |
946d8870 | 320 | |
e8457004 JA |
321 | fd = open("/dev/random", O_RDONLY); |
322 | if (fd == -1) { | |
323 | td->error = errno; | |
324 | return 1; | |
946d8870 JA |
325 | } |
326 | ||
e8457004 JA |
327 | if (read(fd, &seed, sizeof(seed)) < (int) sizeof(seed)) { |
328 | td->error = EIO; | |
329 | close(fd); | |
330 | return 1; | |
946d8870 JA |
331 | } |
332 | ||
e8457004 | 333 | close(fd); |
7889f07b JA |
334 | |
335 | srand48_r(seed, &td->bsrange_state); | |
e8457004 | 336 | srand48_r(seed, &td->verify_state); |
892199bd JA |
337 | |
338 | if (td->sequential) | |
339 | return 0; | |
340 | ||
e8457004 JA |
341 | if (repeatable) |
342 | seed = DEF_RANDSEED; | |
892199bd | 343 | |
49d2caab JA |
344 | blocks = (td->io_size + td->min_bs - 1) / td->min_bs; |
345 | num_maps = blocks / BLOCKS_PER_MAP; | |
346 | td->file_map = malloc(num_maps * sizeof(long)); | |
347 | td->num_maps = num_maps; | |
348 | memset(td->file_map, 0, num_maps * sizeof(long)); | |
349 | ||
892199bd JA |
350 | srand48_r(seed, &td->random_state); |
351 | return 0; | |
352 | } | |
353 | ||
5c24b2c4 | 354 | static unsigned long utime_since(struct timeval *s, struct timeval *e) |
892199bd JA |
355 | { |
356 | double sec, usec; | |
357 | ||
358 | sec = e->tv_sec - s->tv_sec; | |
359 | usec = e->tv_usec - s->tv_usec; | |
360 | if (sec > 0 && usec < 0) { | |
361 | sec--; | |
362 | usec += 1000000; | |
363 | } | |
364 | ||
365 | sec *= (double) 1000000; | |
366 | ||
367 | return sec + usec; | |
368 | } | |
369 | ||
fd11d7af JA |
370 | static unsigned long utime_since_now(struct timeval *s) |
371 | { | |
372 | struct timeval t; | |
373 | ||
374 | gettimeofday(&t, NULL); | |
375 | return utime_since(s, &t); | |
376 | } | |
377 | ||
5c24b2c4 | 378 | static unsigned long mtime_since(struct timeval *s, struct timeval *e) |
892199bd JA |
379 | { |
380 | double sec, usec; | |
381 | ||
382 | sec = e->tv_sec - s->tv_sec; | |
383 | usec = e->tv_usec - s->tv_usec; | |
384 | if (sec > 0 && usec < 0) { | |
385 | sec--; | |
386 | usec += 1000000; | |
387 | } | |
388 | ||
389 | sec *= (double) 1000; | |
390 | usec /= (double) 1000; | |
391 | ||
392 | return sec + usec; | |
393 | } | |
394 | ||
be33abe4 JA |
395 | static unsigned long mtime_since_now(struct timeval *s) |
396 | { | |
397 | struct timeval t; | |
398 | ||
399 | gettimeofday(&t, NULL); | |
400 | return mtime_since(s, &t); | |
401 | } | |
402 | ||
98168d55 JA |
403 | static inline unsigned long msec_now(struct timeval *s) |
404 | { | |
405 | return s->tv_sec * 1000 + s->tv_usec / 1000; | |
406 | } | |
407 | ||
49d2caab JA |
408 | static int random_map_free(struct thread_data *td, unsigned long long block) |
409 | { | |
75b2ab2c JA |
410 | unsigned int idx = RAND_MAP_IDX(td, block); |
411 | unsigned int bit = RAND_MAP_BIT(td, block); | |
49d2caab JA |
412 | |
413 | return (td->file_map[idx] & (1UL << bit)) == 0; | |
414 | } | |
415 | ||
416 | static int get_next_free_block(struct thread_data *td, unsigned long long *b) | |
892199bd | 417 | { |
49d2caab JA |
418 | int i; |
419 | ||
420 | *b = 0; | |
421 | i = 0; | |
422 | while ((*b) * td->min_bs < td->io_size) { | |
423 | if (td->file_map[i] != -1UL) { | |
424 | *b += ffz(td->file_map[i]); | |
425 | return 0; | |
426 | } | |
427 | ||
428 | *b += BLOCKS_PER_MAP; | |
429 | i++; | |
430 | } | |
431 | ||
432 | return 1; | |
433 | } | |
434 | ||
435 | static void mark_random_map(struct thread_data *td, struct io_u *io_u) | |
436 | { | |
437 | unsigned long block = io_u->offset / td->min_bs; | |
438 | unsigned int blocks = 0; | |
439 | ||
440 | while (blocks < (io_u->buflen / td->min_bs)) { | |
441 | int idx, bit; | |
442 | ||
443 | if (!random_map_free(td, block)) | |
444 | break; | |
445 | ||
75b2ab2c JA |
446 | idx = RAND_MAP_IDX(td, block); |
447 | bit = RAND_MAP_BIT(td, block); | |
49d2caab JA |
448 | |
449 | assert(idx < td->num_maps); | |
450 | ||
451 | td->file_map[idx] |= (1UL << bit); | |
452 | block++; | |
453 | blocks++; | |
454 | } | |
455 | ||
456 | if ((blocks * td->min_bs) < io_u->buflen) | |
457 | io_u->buflen = blocks * td->min_bs; | |
458 | } | |
459 | ||
460 | static int get_next_offset(struct thread_data *td, unsigned long long *offset) | |
461 | { | |
75b2ab2c | 462 | unsigned long long b, rb; |
d32d9284 | 463 | long r; |
892199bd JA |
464 | |
465 | if (!td->sequential) { | |
49d2caab JA |
466 | unsigned long max_blocks = td->io_size / td->min_bs; |
467 | int loops = 50; | |
468 | ||
469 | do { | |
470 | lrand48_r(&td->random_state, &r); | |
471 | b = ((max_blocks - 1) * r / (RAND_MAX+1.0)); | |
75b2ab2c | 472 | rb = b + (td->file_offset / td->min_bs); |
49d2caab | 473 | loops--; |
75b2ab2c | 474 | } while (!random_map_free(td, rb) && loops); |
49d2caab JA |
475 | |
476 | if (!loops) { | |
477 | if (get_next_free_block(td, &b)) | |
478 | return 1; | |
479 | } | |
7889f07b | 480 | } else |
49d2caab | 481 | b = td->last_bytes / td->min_bs; |
7889f07b | 482 | |
49d2caab | 483 | *offset = (b * td->min_bs) + td->file_offset; |
75b2ab2c JA |
484 | if (*offset > td->file_size) |
485 | return 1; | |
486 | ||
49d2caab | 487 | return 0; |
7889f07b JA |
488 | } |
489 | ||
490 | static unsigned int get_next_buflen(struct thread_data *td) | |
491 | { | |
492 | unsigned int buflen; | |
d32d9284 | 493 | long r; |
7889f07b JA |
494 | |
495 | if (td->min_bs == td->max_bs) | |
496 | buflen = td->min_bs; | |
497 | else { | |
d32d9284 | 498 | lrand48_r(&td->bsrange_state, &r); |
7889f07b JA |
499 | buflen = (1 + (double) (td->max_bs - 1) * r / (RAND_MAX + 1.0)); |
500 | buflen = (buflen + td->min_bs - 1) & ~(td->min_bs - 1); | |
892199bd JA |
501 | } |
502 | ||
49d2caab JA |
503 | if (buflen > td->io_size - td->this_io_bytes) |
504 | buflen = td->io_size - td->this_io_bytes; | |
7889f07b | 505 | |
7889f07b | 506 | return buflen; |
892199bd JA |
507 | } |
508 | ||
57d753e3 JA |
509 | static inline void add_stat_sample(struct thread_data *td, struct io_stat *is, |
510 | unsigned long val) | |
892199bd | 511 | { |
57d753e3 JA |
512 | if (val > is->max_val) |
513 | is->max_val = val; | |
514 | if (val < is->min_val) | |
515 | is->min_val = val; | |
516 | ||
517 | is->val += val; | |
518 | is->val_sq += val * val; | |
519 | is->samples++; | |
520 | } | |
fd1ae4c9 | 521 | |
a0a9b35b JA |
522 | static void add_log_sample(struct thread_data *td, struct io_log *log, |
523 | unsigned long val) | |
524 | { | |
525 | if (log->nr_samples == log->max_samples) { | |
526 | int new_size = sizeof(struct io_sample) * log->max_samples * 2; | |
527 | ||
528 | log->log = realloc(log->log, new_size); | |
529 | log->max_samples <<= 1; | |
530 | } | |
531 | ||
532 | log->log[log->nr_samples].val = val; | |
533 | log->log[log->nr_samples].time = mtime_since_now(&td->start); | |
534 | log->nr_samples++; | |
535 | } | |
536 | ||
57d753e3 JA |
537 | static void add_clat_sample(struct thread_data *td, unsigned long msec) |
538 | { | |
539 | add_stat_sample(td, &td->clat_stat, msec); | |
a0a9b35b JA |
540 | |
541 | if (td->lat_log) | |
542 | add_log_sample(td, td->lat_log, msec); | |
57d753e3 | 543 | } |
fd1ae4c9 | 544 | |
57d753e3 JA |
545 | static void add_slat_sample(struct thread_data *td, unsigned long msec) |
546 | { | |
547 | add_stat_sample(td, &td->slat_stat, msec); | |
548 | } | |
fd1ae4c9 | 549 | |
645785e5 | 550 | static void add_bw_sample(struct thread_data *td) |
57d753e3 JA |
551 | { |
552 | unsigned long spent = mtime_since_now(&td->stat_sample_time); | |
553 | unsigned long rate; | |
554 | ||
1d035750 | 555 | if (spent < td->bw_avg_time) |
57d753e3 JA |
556 | return; |
557 | ||
49d2caab | 558 | rate = (td->this_io_bytes - td->stat_io_bytes) / spent; |
57d753e3 JA |
559 | add_stat_sample(td, &td->bw_stat, rate); |
560 | ||
a0a9b35b JA |
561 | if (td->bw_log) |
562 | add_log_sample(td, td->bw_log, rate); | |
563 | ||
57d753e3 | 564 | gettimeofday(&td->stat_sample_time, NULL); |
49d2caab | 565 | td->stat_io_bytes = td->this_io_bytes; |
892199bd JA |
566 | } |
567 | ||
fd11d7af JA |
568 | /* |
569 | * busy looping version for the last few usec | |
570 | */ | |
571 | static void __usec_sleep(int usec) | |
572 | { | |
573 | struct timeval start; | |
574 | ||
575 | gettimeofday(&start, NULL); | |
576 | while (utime_since_now(&start) < usec) | |
3782a8cd | 577 | nop; |
fd11d7af JA |
578 | } |
579 | ||
5c24b2c4 | 580 | static void usec_sleep(int usec) |
892199bd | 581 | { |
86184d14 JA |
582 | struct timespec req = { .tv_sec = 0, .tv_nsec = usec * 1000 }; |
583 | struct timespec rem; | |
892199bd JA |
584 | |
585 | do { | |
fd11d7af JA |
586 | if (usec < 5000) { |
587 | __usec_sleep(usec); | |
588 | break; | |
589 | } | |
86184d14 JA |
590 | rem.tv_sec = rem.tv_nsec = 0; |
591 | nanosleep(&req, &rem); | |
592 | if (!rem.tv_nsec) | |
892199bd | 593 | break; |
86184d14 JA |
594 | |
595 | req.tv_nsec = rem.tv_nsec; | |
fd11d7af | 596 | usec = rem.tv_nsec * 1000; |
892199bd JA |
597 | } while (1); |
598 | } | |
599 | ||
9e850933 JA |
600 | static void rate_throttle(struct thread_data *td, unsigned long time_spent, |
601 | unsigned int bytes) | |
86184d14 | 602 | { |
9e850933 JA |
603 | unsigned long usec_cycle; |
604 | ||
4240cfa1 JA |
605 | if (!td->rate) |
606 | return; | |
607 | ||
9e850933 JA |
608 | usec_cycle = td->rate_usec_cycle * (bytes / td->min_bs); |
609 | ||
610 | if (time_spent < usec_cycle) { | |
611 | unsigned long s = usec_cycle - time_spent; | |
86184d14 JA |
612 | |
613 | td->rate_pending_usleep += s; | |
fad86e6a | 614 | if (td->rate_pending_usleep >= 100000) { |
86184d14 JA |
615 | usec_sleep(td->rate_pending_usleep); |
616 | td->rate_pending_usleep = 0; | |
617 | } | |
4240cfa1 | 618 | } else { |
9e850933 | 619 | long overtime = time_spent - usec_cycle; |
42b2b9fe | 620 | |
4240cfa1 JA |
621 | td->rate_pending_usleep -= overtime; |
622 | } | |
623 | } | |
624 | ||
5c24b2c4 | 625 | static int check_min_rate(struct thread_data *td, struct timeval *now) |
4240cfa1 | 626 | { |
7607bc6b | 627 | unsigned long spent; |
4240cfa1 JA |
628 | unsigned long rate; |
629 | ||
630 | /* | |
631 | * allow a 2 second settle period in the beginning | |
632 | */ | |
7607bc6b | 633 | if (mtime_since(&td->start, now) < 2000) |
4240cfa1 JA |
634 | return 0; |
635 | ||
636 | /* | |
637 | * if rate blocks is set, sample is running | |
638 | */ | |
49d2caab | 639 | if (td->rate_bytes) { |
4240cfa1 JA |
640 | spent = mtime_since(&td->lastrate, now); |
641 | if (spent < td->ratecycle) | |
642 | return 0; | |
643 | ||
49d2caab | 644 | rate = (td->this_io_bytes - td->rate_bytes) / spent; |
4240cfa1 JA |
645 | if (rate < td->ratemin) { |
646 | printf("Client%d: min rate %d not met, got %ldKiB/sec\n", td->thread_number, td->ratemin, rate); | |
02bdd9ba | 647 | if (rate_quit) |
e6402082 | 648 | sig_handler(0); |
4240cfa1 JA |
649 | return 1; |
650 | } | |
86184d14 | 651 | } |
4240cfa1 | 652 | |
49d2caab | 653 | td->rate_bytes = td->this_io_bytes; |
4240cfa1 JA |
654 | memcpy(&td->lastrate, now, sizeof(*now)); |
655 | return 0; | |
86184d14 JA |
656 | } |
657 | ||
67903a2e JA |
658 | static inline int runtime_exceeded(struct thread_data *td, struct timeval *t) |
659 | { | |
01f79976 JA |
660 | if (!td->timeout) |
661 | return 0; | |
67903a2e JA |
662 | if (mtime_since(&td->start, t) >= td->timeout * 1000) |
663 | return 1; | |
664 | ||
665 | return 0; | |
666 | } | |
667 | ||
e8457004 JA |
668 | static void fill_random_bytes(struct thread_data *td, |
669 | unsigned char *p, unsigned int len) | |
670 | { | |
645785e5 | 671 | unsigned int todo; |
40ef7f64 | 672 | double r; |
e8457004 JA |
673 | |
674 | while (len) { | |
40ef7f64 | 675 | drand48_r(&td->verify_state, &r); |
e8457004 | 676 | |
40ef7f64 JA |
677 | /* |
678 | * lrand48_r seems to be broken and only fill the bottom | |
679 | * 32-bits, even on 64-bit archs with 64-bit longs | |
680 | */ | |
681 | todo = sizeof(r); | |
e8457004 JA |
682 | if (todo > len) |
683 | todo = len; | |
684 | ||
685 | memcpy(p, &r, todo); | |
686 | ||
687 | len -= todo; | |
688 | p += todo; | |
689 | } | |
690 | } | |
691 | ||
9d0c6ca2 JA |
692 | static void hexdump(void *buffer, int len) |
693 | { | |
694 | unsigned char *p = buffer; | |
695 | int i; | |
696 | ||
697 | for (i = 0; i < len; i++) | |
698 | printf("%02x", p[i]); | |
699 | printf("\n"); | |
700 | } | |
701 | ||
645785e5 | 702 | static int verify_io_u(struct io_u *io_u) |
e8457004 JA |
703 | { |
704 | struct verify_header *hdr = (struct verify_header *) io_u->buf; | |
705 | unsigned char *p = (unsigned char *) io_u->buf; | |
706 | struct md5_ctx md5_ctx; | |
9d0c6ca2 | 707 | int ret; |
e8457004 | 708 | |
840b216f | 709 | if (hdr->fio_magic != FIO_HDR_MAGIC) |
e8457004 JA |
710 | return 1; |
711 | ||
712 | memset(&md5_ctx, 0, sizeof(md5_ctx)); | |
713 | p += sizeof(*hdr); | |
714 | md5_update(&md5_ctx, p, hdr->len - sizeof(*hdr)); | |
715 | ||
9d0c6ca2 JA |
716 | ret = memcmp(hdr->md5_digest, md5_ctx.hash, sizeof(md5_ctx.hash)); |
717 | if (ret) { | |
718 | hexdump(hdr->md5_digest, sizeof(hdr->md5_digest)); | |
719 | hexdump(md5_ctx.hash, sizeof(md5_ctx.hash)); | |
720 | } | |
721 | ||
722 | return ret; | |
e8457004 JA |
723 | } |
724 | ||
cfc702bd JA |
725 | /* |
726 | * fill body of io_u->buf with random data and add a header with the | |
727 | * (eg) sha1sum of that data. | |
728 | */ | |
e8457004 | 729 | static void populate_io_u(struct thread_data *td, struct io_u *io_u) |
cfc702bd | 730 | { |
e8457004 JA |
731 | struct md5_ctx md5_ctx; |
732 | struct verify_header hdr; | |
733 | unsigned char *p = (unsigned char *) io_u->buf; | |
734 | ||
735 | hdr.fio_magic = FIO_HDR_MAGIC; | |
736 | hdr.len = io_u->buflen; | |
737 | p += sizeof(hdr); | |
738 | fill_random_bytes(td, p, io_u->buflen - sizeof(hdr)); | |
739 | ||
740 | memset(&md5_ctx, 0, sizeof(md5_ctx)); | |
741 | md5_update(&md5_ctx, p, io_u->buflen - sizeof(hdr)); | |
742 | memcpy(hdr.md5_digest, md5_ctx.hash, sizeof(md5_ctx.hash)); | |
743 | memcpy(io_u->buf, &hdr, sizeof(hdr)); | |
cfc702bd JA |
744 | } |
745 | ||
2c83567e JA |
746 | static void put_io_u(struct thread_data *td, struct io_u *io_u) |
747 | { | |
748 | list_del(&io_u->list); | |
749 | list_add(&io_u->list, &td->io_u_freelist); | |
750 | td->cur_depth--; | |
751 | } | |
752 | ||
f0f3411b JA |
753 | #define queue_full(td) (list_empty(&(td)->io_u_freelist)) |
754 | ||
e8457004 JA |
755 | static struct io_u *__get_io_u(struct thread_data *td) |
756 | { | |
757 | struct io_u *io_u; | |
758 | ||
f0f3411b | 759 | if (queue_full(td)) |
e8457004 JA |
760 | return NULL; |
761 | ||
762 | io_u = list_entry(td->io_u_freelist.next, struct io_u, list); | |
763 | list_del(&io_u->list); | |
764 | list_add(&io_u->list, &td->io_u_busylist); | |
f4bb2243 | 765 | td->cur_depth++; |
e8457004 JA |
766 | return io_u; |
767 | } | |
768 | ||
2c83567e JA |
769 | static struct io_u *get_io_u(struct thread_data *td) |
770 | { | |
771 | struct io_u *io_u; | |
772 | ||
e8457004 JA |
773 | io_u = __get_io_u(td); |
774 | if (!io_u) | |
2c83567e JA |
775 | return NULL; |
776 | ||
406e7b7c JA |
777 | if (get_next_offset(td, &io_u->offset)) { |
778 | put_io_u(td, io_u); | |
49d2caab | 779 | return NULL; |
406e7b7c | 780 | } |
49d2caab | 781 | |
b2a369fb JA |
782 | io_u->buflen = get_next_buflen(td); |
783 | if (!io_u->buflen) { | |
e8457004 | 784 | put_io_u(td, io_u); |
7889f07b | 785 | return NULL; |
e8457004 | 786 | } |
2c83567e | 787 | |
75b2ab2c JA |
788 | if (io_u->buflen + io_u->offset > td->file_size) |
789 | io_u->buflen = td->file_size - io_u->offset; | |
49d2caab JA |
790 | |
791 | if (!td->sequential) | |
792 | mark_random_map(td, io_u); | |
793 | ||
794 | td->last_bytes += io_u->buflen; | |
795 | ||
9d0c6ca2 | 796 | if (td->verify) |
e8457004 | 797 | populate_io_u(td, io_u); |
cfc702bd | 798 | |
2c83567e JA |
799 | if (td->use_aio) { |
800 | if (td_read(td)) | |
801 | io_prep_pread(&io_u->iocb, td->fd, io_u->buf, io_u->buflen, io_u->offset); | |
802 | else | |
803 | io_prep_pwrite(&io_u->iocb, td->fd, io_u->buf, io_u->buflen, io_u->offset); | |
804 | } | |
805 | ||
57d753e3 | 806 | gettimeofday(&io_u->start_time, NULL); |
2c83567e JA |
807 | return io_u; |
808 | } | |
809 | ||
40ef7f64 JA |
810 | static inline void td_set_runstate(struct thread_data *td, int runstate) |
811 | { | |
812 | td->old_runstate = td->runstate; | |
813 | td->runstate = runstate; | |
814 | } | |
815 | ||
645785e5 JA |
816 | static int get_next_verify(struct thread_data *td, |
817 | unsigned long long *offset, unsigned int *len) | |
818 | { | |
819 | struct io_piece *ipo; | |
820 | ||
821 | if (list_empty(&td->io_hist_list)) | |
822 | return 1; | |
823 | ||
824 | ipo = list_entry(td->io_hist_list.next, struct io_piece, list); | |
825 | list_del(&ipo->list); | |
826 | ||
827 | *offset = ipo->offset; | |
828 | *len = ipo->len; | |
829 | free(ipo); | |
830 | return 0; | |
831 | } | |
832 | ||
9d0c6ca2 JA |
833 | static void prune_io_piece_log(struct thread_data *td) |
834 | { | |
835 | struct io_piece *ipo; | |
836 | ||
837 | while (!list_empty(&td->io_hist_list)) { | |
838 | ipo = list_entry(td->io_hist_list.next, struct io_piece, list); | |
839 | ||
840 | list_del(&ipo->list); | |
841 | free(ipo); | |
842 | } | |
843 | } | |
844 | ||
9d0c6ca2 JA |
845 | /* |
846 | * log a succesful write, so we can unwind the log for verify | |
847 | */ | |
848 | static void log_io_piece(struct thread_data *td, struct io_u *io_u) | |
849 | { | |
49d2caab | 850 | struct io_piece *ipo = malloc(sizeof(struct io_piece)); |
9d0c6ca2 JA |
851 | struct list_head *entry; |
852 | ||
853 | INIT_LIST_HEAD(&ipo->list); | |
854 | ipo->offset = io_u->offset; | |
855 | ipo->len = io_u->buflen; | |
856 | ||
49d2caab JA |
857 | /* |
858 | * for random io where the writes extend the file, it will typically | |
859 | * be laid out with the block scattered as written. it's faster to | |
860 | * read them in in that order again, so don't sort | |
861 | */ | |
862 | if (td->sequential || !td->overwrite) { | |
9d0c6ca2 JA |
863 | list_add_tail(&ipo->list, &td->io_hist_list); |
864 | return; | |
865 | } | |
866 | ||
867 | /* | |
868 | * for random io, sort the list so verify will run faster | |
869 | */ | |
870 | entry = &td->io_hist_list; | |
871 | while ((entry = entry->prev) != &td->io_hist_list) { | |
872 | struct io_piece *__ipo = list_entry(entry, struct io_piece, list); | |
873 | ||
9d0c6ca2 JA |
874 | if (__ipo->offset < ipo->offset) |
875 | break; | |
876 | } | |
877 | ||
878 | list_add(&ipo->list, entry); | |
879 | } | |
880 | ||
91fc5dc9 | 881 | static void do_sync_verify(struct thread_data *td) |
cfc702bd | 882 | { |
40ef7f64 | 883 | struct timeval t; |
e8457004 | 884 | struct io_u *io_u = NULL; |
645785e5 | 885 | int ret; |
e8457004 | 886 | |
40ef7f64 | 887 | td_set_runstate(td, TD_VERIFYING); |
e8457004 JA |
888 | |
889 | io_u = __get_io_u(td); | |
890 | ||
40ef7f64 | 891 | if (!td->odirect) { |
49d2caab | 892 | if (fadvise(td->fd, td->file_offset, td->io_size, POSIX_FADV_DONTNEED) < 0) { |
40ef7f64 JA |
893 | td->error = errno; |
894 | goto out; | |
895 | } | |
896 | } | |
897 | ||
e8457004 JA |
898 | do { |
899 | if (td->terminate) | |
900 | break; | |
40ef7f64 JA |
901 | |
902 | gettimeofday(&t, NULL); | |
903 | if (runtime_exceeded(td, &t)) | |
904 | break; | |
905 | ||
645785e5 JA |
906 | if (get_next_verify(td, &io_u->offset, &io_u->buflen)) |
907 | break; | |
908 | ||
909 | if (td->cur_off != io_u->offset) { | |
910 | if (lseek(td->fd, io_u->offset, SEEK_SET) == -1) { | |
911 | td->error = errno; | |
912 | break; | |
913 | } | |
914 | } | |
e8457004 JA |
915 | |
916 | ret = read(td->fd, io_u->buf, io_u->buflen); | |
917 | if (ret < (int) io_u->buflen) { | |
918 | if (ret == -1) { | |
919 | td->error = errno; | |
920 | break; | |
921 | } else if (!ret) | |
922 | break; | |
923 | else | |
924 | io_u->buflen = ret; | |
925 | } | |
926 | ||
645785e5 | 927 | if (verify_io_u(io_u)) |
e8457004 JA |
928 | break; |
929 | ||
645785e5 | 930 | td->cur_off = io_u->offset + io_u->buflen; |
e8457004 JA |
931 | } while (1); |
932 | ||
933 | out: | |
40ef7f64 | 934 | td_set_runstate(td, TD_RUNNING); |
e8457004 | 935 | put_io_u(td, io_u); |
cfc702bd JA |
936 | } |
937 | ||
43000118 | 938 | static void do_sync_io(struct thread_data *td) |
892199bd | 939 | { |
7889f07b | 940 | unsigned long msec, usec; |
e8457004 | 941 | struct io_u *io_u = NULL; |
2c83567e | 942 | struct timeval e; |
892199bd | 943 | |
49d2caab | 944 | while (td->this_io_bytes < td->io_size) { |
892199bd JA |
945 | int ret; |
946 | ||
947 | if (td->terminate) | |
948 | break; | |
949 | ||
2c83567e | 950 | io_u = get_io_u(td); |
7889f07b JA |
951 | if (!io_u) |
952 | break; | |
2c83567e | 953 | |
63a09e51 JA |
954 | if (td->cur_off != io_u->offset) { |
955 | if (lseek(td->fd, io_u->offset, SEEK_SET) == -1) { | |
956 | td->error = errno; | |
957 | break; | |
958 | } | |
892199bd JA |
959 | } |
960 | ||
02983297 | 961 | if (td_read(td)) |
2c83567e | 962 | ret = read(td->fd, io_u->buf, io_u->buflen); |
892199bd | 963 | else |
2c83567e | 964 | ret = write(td->fd, io_u->buf, io_u->buflen); |
892199bd | 965 | |
2c83567e | 966 | if (ret < (int) io_u->buflen) { |
892199bd JA |
967 | if (ret == -1) |
968 | td->error = errno; | |
969 | break; | |
970 | } | |
971 | ||
62bb4285 | 972 | if (td_write(td)) |
645785e5 JA |
973 | log_io_piece(td, io_u); |
974 | ||
4240cfa1 | 975 | td->io_blocks++; |
49d2caab JA |
976 | td->io_bytes += io_u->buflen; |
977 | td->this_io_bytes += io_u->buflen; | |
63a09e51 | 978 | td->cur_off = io_u->offset + io_u->buflen; |
4240cfa1 | 979 | |
86184d14 JA |
980 | gettimeofday(&e, NULL); |
981 | ||
57d753e3 | 982 | usec = utime_since(&io_u->start_time, &e); |
86184d14 | 983 | |
9e850933 | 984 | rate_throttle(td, usec, io_u->buflen); |
892199bd | 985 | |
4240cfa1 JA |
986 | if (check_min_rate(td, &e)) { |
987 | td->error = ENODATA; | |
988 | break; | |
989 | } | |
892199bd | 990 | |
4240cfa1 | 991 | msec = usec / 1000; |
57d753e3 | 992 | add_clat_sample(td, msec); |
645785e5 | 993 | add_bw_sample(td); |
67903a2e JA |
994 | |
995 | if (runtime_exceeded(td, &e)) | |
996 | break; | |
2c83567e | 997 | |
cdf92433 | 998 | put_io_u(td, io_u); |
e8457004 | 999 | io_u = NULL; |
cdf92433 | 1000 | |
e97712ed JA |
1001 | if (td->thinktime) |
1002 | usec_sleep(td->thinktime); | |
1003 | ||
cdf92433 JA |
1004 | if (should_fsync(td) && td->fsync_blocks && |
1005 | (td->io_blocks % td->fsync_blocks) == 0) | |
1006 | fsync(td->fd); | |
892199bd JA |
1007 | } |
1008 | ||
e8457004 JA |
1009 | if (io_u) |
1010 | put_io_u(td, io_u); | |
1011 | ||
4240cfa1 | 1012 | if (should_fsync(td)) |
892199bd | 1013 | fsync(td->fd); |
892199bd | 1014 | } |
43000118 | 1015 | |
1ad72b11 JA |
1016 | static int io_u_getevents(struct thread_data *td, int min, int max, |
1017 | struct timespec *t) | |
1018 | { | |
1019 | int r; | |
1020 | ||
1021 | do { | |
1022 | r = io_getevents(td->aio_ctx, min, max, td->aio_events, t); | |
1023 | if (r != -EAGAIN && r != -EINTR) | |
1024 | break; | |
1025 | } while (1); | |
1026 | ||
1027 | return r; | |
1028 | } | |
1029 | ||
2c83567e | 1030 | static int io_u_queue(struct thread_data *td, struct io_u *io_u) |
56b0eff0 | 1031 | { |
2c83567e | 1032 | struct iocb *iocb = &io_u->iocb; |
56b0eff0 JA |
1033 | int ret; |
1034 | ||
1035 | do { | |
254605cd | 1036 | ret = io_submit(td->aio_ctx, 1, &iocb); |
56b0eff0 JA |
1037 | if (ret == 1) |
1038 | return 0; | |
406e7b7c | 1039 | else if (ret == -EAGAIN) |
56b0eff0 | 1040 | usleep(100); |
406e7b7c | 1041 | else if (ret == -EINTR) |
a592bd33 | 1042 | continue; |
56b0eff0 JA |
1043 | else |
1044 | break; | |
1045 | } while (1); | |
1046 | ||
a592bd33 | 1047 | return ret; |
56b0eff0 JA |
1048 | } |
1049 | ||
98168d55 | 1050 | #define iocb_time(iocb) ((unsigned long) (iocb)->data) |
2c83567e JA |
1051 | #define ev_to_iou(ev) (struct io_u *) ((unsigned long) (ev)->obj) |
1052 | ||
f0f3411b | 1053 | static int ios_completed(struct thread_data *td, int nr) |
2c83567e JA |
1054 | { |
1055 | unsigned long msec; | |
1056 | struct io_u *io_u; | |
1057 | struct timeval e; | |
9e850933 | 1058 | int i, bytes_done; |
2c83567e | 1059 | |
f0f3411b | 1060 | gettimeofday(&e, NULL); |
2c83567e | 1061 | |
9e850933 | 1062 | for (i = 0, bytes_done = 0; i < nr; i++) { |
2c83567e JA |
1063 | io_u = ev_to_iou(td->aio_events + i); |
1064 | ||
f0f3411b | 1065 | td->io_blocks++; |
49d2caab JA |
1066 | td->io_bytes += io_u->buflen; |
1067 | td->this_io_bytes += io_u->buflen; | |
8c033f93 | 1068 | |
f0f3411b | 1069 | msec = mtime_since(&io_u->issue_time, &e); |
2c83567e | 1070 | |
f0f3411b | 1071 | add_clat_sample(td, msec); |
645785e5 JA |
1072 | add_bw_sample(td); |
1073 | ||
62bb4285 | 1074 | if (td_write(td)) |
645785e5 | 1075 | log_io_piece(td, io_u); |
2c83567e | 1076 | |
f4bb2243 | 1077 | bytes_done += io_u->buflen; |
2c83567e JA |
1078 | put_io_u(td, io_u); |
1079 | } | |
9e850933 JA |
1080 | |
1081 | return bytes_done; | |
2c83567e JA |
1082 | } |
1083 | ||
1084 | static void cleanup_pending_aio(struct thread_data *td) | |
1085 | { | |
1086 | struct timespec ts = { .tv_sec = 0, .tv_nsec = 0}; | |
1087 | struct list_head *entry, *n; | |
1088 | struct io_u *io_u; | |
1089 | int r; | |
1090 | ||
1091 | /* | |
1092 | * get immediately available events, if any | |
1093 | */ | |
1ad72b11 | 1094 | r = io_u_getevents(td, 0, td->cur_depth, &ts); |
2c83567e | 1095 | if (r > 0) |
f0f3411b | 1096 | ios_completed(td, r); |
2c83567e JA |
1097 | |
1098 | /* | |
1099 | * now cancel remaining active events | |
1100 | */ | |
1101 | list_for_each_safe(entry, n, &td->io_u_busylist) { | |
1102 | io_u = list_entry(entry, struct io_u, list); | |
1103 | ||
1104 | r = io_cancel(td->aio_ctx, &io_u->iocb, td->aio_events); | |
1105 | if (!r) | |
1106 | put_io_u(td, io_u); | |
1107 | } | |
1108 | ||
1109 | if (td->cur_depth) { | |
1ad72b11 | 1110 | r = io_u_getevents(td, td->cur_depth, td->cur_depth, NULL); |
2c83567e | 1111 | if (r > 0) |
f0f3411b | 1112 | ios_completed(td, r); |
2c83567e JA |
1113 | } |
1114 | } | |
98168d55 | 1115 | |
d32d9284 JA |
1116 | static int async_do_verify(struct thread_data *td, struct io_u **io_u) |
1117 | { | |
1118 | struct io_u *v_io_u = *io_u; | |
1119 | int ret = 0; | |
1120 | ||
1121 | if (v_io_u) { | |
645785e5 | 1122 | ret = verify_io_u(v_io_u); |
d32d9284 JA |
1123 | put_io_u(td, v_io_u); |
1124 | *io_u = NULL; | |
1125 | } | |
1126 | ||
1127 | return ret; | |
1128 | } | |
1129 | ||
91fc5dc9 | 1130 | static void do_async_verify(struct thread_data *td) |
cfc702bd | 1131 | { |
f4bb2243 | 1132 | struct timeval t; |
d32d9284 | 1133 | struct io_u *io_u, *v_io_u = NULL; |
645785e5 | 1134 | int ret; |
f4bb2243 JA |
1135 | |
1136 | td_set_runstate(td, TD_VERIFYING); | |
1137 | ||
f4bb2243 JA |
1138 | do { |
1139 | if (td->terminate) | |
1140 | break; | |
1141 | ||
1142 | gettimeofday(&t, NULL); | |
1143 | if (runtime_exceeded(td, &t)) | |
1144 | break; | |
1145 | ||
1146 | io_u = __get_io_u(td); | |
1147 | if (!io_u) | |
1148 | break; | |
1149 | ||
645785e5 JA |
1150 | if (get_next_verify(td, &io_u->offset, &io_u->buflen)) { |
1151 | put_io_u(td, io_u); | |
1152 | break; | |
f4bb2243 JA |
1153 | } |
1154 | ||
1155 | io_prep_pread(&io_u->iocb, td->fd, io_u->buf, io_u->buflen, io_u->offset); | |
1156 | ret = io_u_queue(td, io_u); | |
1157 | if (ret) { | |
1158 | put_io_u(td, io_u); | |
1159 | td->error = ret; | |
1160 | break; | |
1161 | } | |
1162 | ||
f0f3411b JA |
1163 | /* |
1164 | * we have one pending to verify, do that while the next | |
1165 | * we are doing io on the next one | |
1166 | */ | |
d32d9284 JA |
1167 | if (async_do_verify(td, &v_io_u)) |
1168 | break; | |
f0f3411b | 1169 | |
1ad72b11 | 1170 | ret = io_u_getevents(td, 1, 1, NULL); |
f0f3411b JA |
1171 | if (ret != 1) { |
1172 | if (ret < 0) | |
1173 | td->error = ret; | |
f4bb2243 JA |
1174 | break; |
1175 | } | |
1176 | ||
f0f3411b | 1177 | v_io_u = ev_to_iou(td->aio_events); |
f4bb2243 | 1178 | |
645785e5 | 1179 | td->cur_off = v_io_u->offset + v_io_u->buflen; |
f0f3411b JA |
1180 | |
1181 | /* | |
d32d9284 | 1182 | * if we can't submit more io, we need to verify now |
f0f3411b | 1183 | */ |
d32d9284 JA |
1184 | if (queue_full(td) && async_do_verify(td, &v_io_u)) |
1185 | break; | |
1186 | ||
f4bb2243 JA |
1187 | } while (1); |
1188 | ||
d32d9284 | 1189 | async_do_verify(td, &v_io_u); |
f0f3411b | 1190 | |
f4bb2243 JA |
1191 | if (td->cur_depth) |
1192 | cleanup_pending_aio(td); | |
1193 | ||
1194 | td_set_runstate(td, TD_RUNNING); | |
cfc702bd JA |
1195 | } |
1196 | ||
43000118 JA |
1197 | static void do_async_io(struct thread_data *td) |
1198 | { | |
1199 | struct timeval s, e; | |
7889f07b | 1200 | unsigned long usec; |
43000118 | 1201 | |
49d2caab | 1202 | while (td->this_io_bytes < td->io_size) { |
43000118 JA |
1203 | struct timespec ts = { .tv_sec = 0, .tv_nsec = 0}; |
1204 | struct timespec *timeout; | |
2c83567e JA |
1205 | int ret, min_evts = 0; |
1206 | struct io_u *io_u; | |
9e850933 | 1207 | unsigned int bytes_done; |
43000118 JA |
1208 | |
1209 | if (td->terminate) | |
1210 | break; | |
1211 | ||
2c83567e | 1212 | io_u = get_io_u(td); |
7889f07b JA |
1213 | if (!io_u) |
1214 | break; | |
43000118 | 1215 | |
57d753e3 | 1216 | memcpy(&s, &io_u->start_time, sizeof(s)); |
8baf1bcc | 1217 | |
2c83567e | 1218 | ret = io_u_queue(td, io_u); |
56b0eff0 | 1219 | if (ret) { |
a3fdb993 | 1220 | put_io_u(td, io_u); |
a592bd33 | 1221 | td->error = ret; |
43000118 JA |
1222 | break; |
1223 | } | |
1224 | ||
57d753e3 JA |
1225 | gettimeofday(&io_u->issue_time, NULL); |
1226 | add_slat_sample(td, mtime_since(&io_u->start_time, &io_u->issue_time)); | |
2c83567e | 1227 | if (td->cur_depth < td->aio_depth) { |
43000118 JA |
1228 | timeout = &ts; |
1229 | min_evts = 0; | |
1230 | } else { | |
1231 | timeout = NULL; | |
1232 | min_evts = 1; | |
1233 | } | |
1234 | ||
1ad72b11 | 1235 | ret = io_u_getevents(td, min_evts, td->cur_depth, timeout); |
43000118 | 1236 | if (ret < 0) { |
406e7b7c | 1237 | td->error = ret; |
43000118 JA |
1238 | break; |
1239 | } else if (!ret) | |
1240 | continue; | |
1241 | ||
f0f3411b | 1242 | bytes_done = ios_completed(td, ret); |
43000118 | 1243 | |
98168d55 JA |
1244 | /* |
1245 | * the rate is batched for now, it should work for batches | |
1246 | * of completions except the very first one which may look | |
1247 | * a little bursty | |
1248 | */ | |
2c83567e | 1249 | gettimeofday(&e, NULL); |
43000118 JA |
1250 | usec = utime_since(&s, &e); |
1251 | ||
9e850933 | 1252 | rate_throttle(td, usec, bytes_done); |
43000118 JA |
1253 | |
1254 | if (check_min_rate(td, &e)) { | |
1255 | td->error = ENODATA; | |
1256 | break; | |
1257 | } | |
67903a2e JA |
1258 | |
1259 | if (runtime_exceeded(td, &e)) | |
1260 | break; | |
765d9223 JA |
1261 | |
1262 | if (td->thinktime) | |
1263 | usec_sleep(td->thinktime); | |
cdf92433 JA |
1264 | |
1265 | if (should_fsync(td) && td->fsync_blocks && | |
1266 | (td->io_blocks % td->fsync_blocks) == 0) | |
1267 | fsync(td->fd); | |
43000118 | 1268 | } |
56b0eff0 | 1269 | |
2c83567e JA |
1270 | if (td->cur_depth) |
1271 | cleanup_pending_aio(td); | |
4ac89145 JA |
1272 | |
1273 | if (should_fsync(td)) | |
1274 | fsync(td->fd); | |
56b0eff0 JA |
1275 | } |
1276 | ||
1277 | static void cleanup_aio(struct thread_data *td) | |
1278 | { | |
254605cd JA |
1279 | io_destroy(td->aio_ctx); |
1280 | ||
43000118 JA |
1281 | if (td->aio_events) |
1282 | free(td->aio_events); | |
43000118 JA |
1283 | } |
1284 | ||
1285 | static int init_aio(struct thread_data *td) | |
1286 | { | |
254605cd | 1287 | if (io_queue_init(td->aio_depth, &td->aio_ctx)) { |
43000118 JA |
1288 | td->error = errno; |
1289 | return 1; | |
1290 | } | |
1291 | ||
43000118 | 1292 | td->aio_events = malloc(td->aio_depth * sizeof(struct io_event)); |
43000118 JA |
1293 | return 0; |
1294 | } | |
1295 | ||
2c83567e JA |
1296 | static void cleanup_io_u(struct thread_data *td) |
1297 | { | |
1298 | struct list_head *entry, *n; | |
1299 | struct io_u *io_u; | |
1300 | ||
1301 | list_for_each_safe(entry, n, &td->io_u_freelist) { | |
1302 | io_u = list_entry(entry, struct io_u, list); | |
1303 | ||
1304 | list_del(&io_u->list); | |
2c83567e JA |
1305 | free(io_u); |
1306 | } | |
6b71c826 | 1307 | |
99c6704f JA |
1308 | if (td->mem_type == MEM_MALLOC) |
1309 | free(td->orig_buffer); | |
1310 | else if (td->mem_type == MEM_SHM) { | |
1311 | struct shmid_ds sbuf; | |
1312 | ||
1313 | shmdt(td->orig_buffer); | |
1314 | shmctl(td->shm_id, IPC_RMID, &sbuf); | |
1315 | } | |
2c83567e JA |
1316 | } |
1317 | ||
99c6704f | 1318 | static int init_io_u(struct thread_data *td) |
2c83567e JA |
1319 | { |
1320 | struct io_u *io_u; | |
99c6704f | 1321 | int i, max_units, mem_size; |
6b71c826 | 1322 | char *p; |
2c83567e JA |
1323 | |
1324 | if (!td->use_aio) | |
1325 | max_units = 1; | |
1326 | else | |
1327 | max_units = td->aio_depth; | |
1328 | ||
7889f07b | 1329 | mem_size = td->max_bs * max_units + MASK; |
99c6704f JA |
1330 | |
1331 | if (td->mem_type == MEM_MALLOC) | |
1332 | td->orig_buffer = malloc(mem_size); | |
1333 | else if (td->mem_type == MEM_SHM) { | |
1334 | td->shm_id = shmget(IPC_PRIVATE, mem_size, IPC_CREAT | 0600); | |
1335 | if (td->shm_id < 0) { | |
1336 | td->error = errno; | |
1337 | perror("shmget"); | |
1338 | return 1; | |
1339 | } | |
1340 | ||
1341 | td->orig_buffer = shmat(td->shm_id, NULL, 0); | |
1342 | if (td->orig_buffer == (void *) -1) { | |
1343 | td->error = errno; | |
1344 | perror("shmat"); | |
1345 | return 1; | |
1346 | } | |
1347 | } | |
6b71c826 | 1348 | |
2c83567e JA |
1349 | INIT_LIST_HEAD(&td->io_u_freelist); |
1350 | INIT_LIST_HEAD(&td->io_u_busylist); | |
645785e5 | 1351 | INIT_LIST_HEAD(&td->io_hist_list); |
2c83567e | 1352 | |
99c6704f | 1353 | p = ALIGN(td->orig_buffer); |
2c83567e JA |
1354 | for (i = 0; i < max_units; i++) { |
1355 | io_u = malloc(sizeof(*io_u)); | |
1356 | memset(io_u, 0, sizeof(*io_u)); | |
1357 | INIT_LIST_HEAD(&io_u->list); | |
1358 | ||
7889f07b | 1359 | io_u->buf = p + td->max_bs * i; |
2c83567e JA |
1360 | list_add(&io_u->list, &td->io_u_freelist); |
1361 | } | |
99c6704f JA |
1362 | |
1363 | return 0; | |
2c83567e JA |
1364 | } |
1365 | ||
a0a9b35b JA |
1366 | static void setup_log(struct io_log **log) |
1367 | { | |
1368 | struct io_log *l = malloc(sizeof(*l)); | |
1369 | ||
1370 | l->nr_samples = 0; | |
1371 | l->max_samples = 1024; | |
1372 | l->log = malloc(l->max_samples * sizeof(struct io_sample)); | |
1373 | *log = l; | |
1374 | } | |
1375 | ||
1376 | static void finish_log(struct thread_data *td, struct io_log *log, char *name) | |
1377 | { | |
1378 | char file_name[128]; | |
1379 | FILE *f; | |
645785e5 | 1380 | unsigned int i; |
a0a9b35b JA |
1381 | |
1382 | sprintf(file_name, "client%d_%s.log", td->thread_number, name); | |
1383 | f = fopen(file_name, "w"); | |
1384 | if (!f) { | |
1385 | perror("fopen log"); | |
1386 | return; | |
1387 | } | |
1388 | ||
1389 | for (i = 0; i < log->nr_samples; i++) | |
1390 | fprintf(f, "%lu, %lu\n", log->log[i].time, log->log[i].val); | |
1391 | ||
1392 | fclose(f); | |
1393 | free(log->log); | |
1394 | free(log); | |
1395 | } | |
1396 | ||
02983297 JA |
1397 | static int create_file(struct thread_data *td) |
1398 | { | |
7889f07b | 1399 | unsigned long long left; |
645785e5 | 1400 | unsigned int bs; |
02983297 | 1401 | char *b; |
645785e5 | 1402 | int r; |
02983297 | 1403 | |
02983297 JA |
1404 | /* |
1405 | * unless specifically asked for overwrite, let normal io extend it | |
1406 | */ | |
62bb4285 | 1407 | if (td_write(td) && !td->overwrite) |
02983297 JA |
1408 | return 0; |
1409 | ||
57d753e3 JA |
1410 | if (!td->file_size) { |
1411 | fprintf(stderr, "Need size for create\n"); | |
1412 | td->error = EINVAL; | |
1413 | return 1; | |
1414 | } | |
1415 | ||
42fd89a7 JA |
1416 | printf("Client%d: Laying out IO file\n", td->thread_number); |
1417 | ||
02983297 JA |
1418 | td->fd = open(td->file_name, O_WRONLY | O_CREAT | O_TRUNC, 0644); |
1419 | if (td->fd < 0) { | |
1420 | td->error = errno; | |
1421 | return 1; | |
1422 | } | |
1423 | ||
c94deb1c JA |
1424 | if (ftruncate(td->fd, td->file_size) == -1) { |
1425 | td->error = errno; | |
1426 | return 1; | |
1427 | } | |
1428 | ||
49d2caab | 1429 | td->io_size = td->file_size; |
7889f07b JA |
1430 | b = malloc(td->max_bs); |
1431 | memset(b, 0, td->max_bs); | |
1432 | ||
1433 | left = td->file_size; | |
1434 | while (left) { | |
1435 | bs = td->max_bs; | |
1436 | if (bs > left) | |
1437 | bs = left; | |
02983297 | 1438 | |
7889f07b | 1439 | r = write(td->fd, b, bs); |
02983297 | 1440 | |
645785e5 | 1441 | if (r == (int) bs) { |
7889f07b | 1442 | left -= bs; |
02983297 | 1443 | continue; |
7889f07b | 1444 | } else { |
02983297 JA |
1445 | if (r < 0) |
1446 | td->error = errno; | |
1447 | else | |
1448 | td->error = EIO; | |
1449 | ||
1450 | break; | |
1451 | } | |
1452 | } | |
1453 | ||
fc097bfe JA |
1454 | if (td->create_fsync) |
1455 | fsync(td->fd); | |
1456 | ||
02983297 JA |
1457 | close(td->fd); |
1458 | td->fd = -1; | |
1459 | free(b); | |
1460 | return 0; | |
1461 | } | |
1462 | ||
1463 | static int file_exists(struct thread_data *td) | |
1464 | { | |
1465 | struct stat st; | |
1466 | ||
1467 | if (stat(td->file_name, &st) != -1) | |
1468 | return 1; | |
1469 | ||
1470 | return errno != ENOENT; | |
1471 | } | |
1472 | ||
c94deb1c | 1473 | static int get_file_size(struct thread_data *td) |
02983297 | 1474 | { |
c94deb1c | 1475 | size_t bytes = 0; |
02983297 | 1476 | struct stat st; |
c94deb1c JA |
1477 | |
1478 | if (fstat(td->fd, &st) == -1) { | |
1479 | td->error = errno; | |
1480 | return 1; | |
1481 | } | |
1482 | ||
1483 | /* | |
1484 | * if block device, get size via BLKGETSIZE64 ioctl. try that as well | |
1485 | * if this is a link, fall back to st.st_size if it fails | |
1486 | */ | |
1487 | if (S_ISBLK(st.st_mode) || S_ISLNK(st.st_mode)) { | |
1488 | if (ioctl(td->fd, BLKGETSIZE64, &bytes)) { | |
1489 | if (S_ISBLK(st.st_mode)) { | |
1490 | td->error = errno; | |
1491 | return 1; | |
1492 | } else | |
1493 | bytes = st.st_size; | |
1494 | } | |
1495 | } else | |
1496 | bytes = st.st_size; | |
1497 | ||
1498 | if (td_read(td)) { | |
1499 | if (td->file_size > bytes) | |
1500 | bytes = td->file_size; | |
1501 | } else { | |
1502 | if (!td->file_size) | |
1503 | td->file_size = 1024 * 1024 * 1024; | |
1504 | ||
1505 | bytes = td->file_size; | |
1506 | } | |
1507 | ||
1508 | if (td->file_offset > bytes) { | |
1509 | fprintf(stderr, "Client%d: offset larger than length\n", td->thread_number); | |
1510 | return 1; | |
1511 | } | |
1512 | ||
1513 | td->io_size = bytes - td->file_offset; | |
1514 | if (td->io_size == 0) { | |
1515 | fprintf(stderr, "Client%d: no io blocks\n", td->thread_number); | |
1516 | td->error = EINVAL; | |
1517 | return 1; | |
1518 | } | |
1519 | ||
1520 | return 0; | |
1521 | } | |
1522 | ||
1523 | static int setup_file(struct thread_data *td) | |
1524 | { | |
02983297 JA |
1525 | int flags = 0; |
1526 | ||
1527 | if (!file_exists(td)) { | |
1528 | if (!td->create_file) { | |
1529 | td->error = ENOENT; | |
1530 | return 1; | |
1531 | } | |
1532 | if (create_file(td)) | |
1533 | return 1; | |
1534 | } | |
1535 | ||
1536 | if (td->odirect) | |
1537 | flags |= O_DIRECT; | |
1538 | ||
1539 | if (td_read(td)) | |
1540 | td->fd = open(td->file_name, flags | O_RDONLY); | |
1541 | else { | |
1542 | if (!td->overwrite) | |
1543 | flags |= O_TRUNC; | |
74b4b5fb JA |
1544 | if (td->sync_io) |
1545 | flags |= O_SYNC; | |
e8457004 JA |
1546 | if (td->verify) |
1547 | flags |= O_RDWR; | |
1548 | else | |
1549 | flags |= O_WRONLY; | |
02983297 | 1550 | |
e8457004 | 1551 | td->fd = open(td->file_name, flags | O_CREAT, 0600); |
02983297 JA |
1552 | } |
1553 | ||
1554 | if (td->fd == -1) { | |
1555 | td->error = errno; | |
1556 | return 1; | |
1557 | } | |
1558 | ||
c94deb1c | 1559 | if (get_file_size(td)) |
49d2caab | 1560 | return 1; |
49d2caab | 1561 | |
62bb4285 | 1562 | if (td_write(td) && ftruncate(td->fd, td->file_size) == -1) { |
c94deb1c | 1563 | td->error = errno; |
02983297 JA |
1564 | return 1; |
1565 | } | |
1566 | ||
b95799ca | 1567 | if (td->invalidate_cache) { |
c94deb1c | 1568 | if (fadvise(td->fd, td->file_offset, td->file_size, POSIX_FADV_DONTNEED) < 0) { |
b95799ca JA |
1569 | td->error = errno; |
1570 | return 1; | |
1571 | } | |
1572 | } | |
1573 | ||
02983297 JA |
1574 | return 0; |
1575 | } | |
1576 | ||
d32d9284 JA |
1577 | static void clear_io_state(struct thread_data *td) |
1578 | { | |
9d0c6ca2 JA |
1579 | if (!td->use_aio) |
1580 | lseek(td->fd, SEEK_SET, 0); | |
1581 | ||
d32d9284 | 1582 | td->cur_off = 0; |
49d2caab JA |
1583 | td->last_bytes = 0; |
1584 | td->stat_io_bytes = 0; | |
1585 | td->this_io_bytes = 0; | |
1586 | ||
1587 | if (td->file_map) | |
1588 | memset(td->file_map, 0, td->num_maps * sizeof(long)); | |
d32d9284 JA |
1589 | } |
1590 | ||
f6dcd824 JA |
1591 | static void update_rusage_stat(struct thread_data *td) |
1592 | { | |
1593 | if (!td->runtime) | |
1594 | return; | |
1595 | ||
1596 | getrusage(RUSAGE_SELF, &td->ru_end); | |
1597 | ||
1598 | td->usr_time += mtime_since(&td->ru_start.ru_utime, &td->ru_end.ru_utime); | |
1599 | td->sys_time += mtime_since(&td->ru_start.ru_stime, &td->ru_end.ru_stime); | |
1600 | td->ctx += td->ru_end.ru_nvcsw + td->ru_end.ru_nivcsw - (td->ru_start.ru_nvcsw + td->ru_start.ru_nivcsw); | |
1601 | ||
1602 | ||
1603 | memcpy(&td->ru_start, &td->ru_end, sizeof(td->ru_end)); | |
1604 | } | |
1605 | ||
5c24b2c4 | 1606 | static void *thread_main(int shm_id, int offset, char *argv[]) |
892199bd JA |
1607 | { |
1608 | struct thread_data *td; | |
02983297 | 1609 | int ret = 1; |
2c83567e | 1610 | void *data; |
892199bd | 1611 | |
7292613b JA |
1612 | setsid(); |
1613 | ||
892199bd | 1614 | data = shmat(shm_id, NULL, 0); |
4ac89145 JA |
1615 | if (data == (void *) -1) { |
1616 | perror("shmat"); | |
1617 | return NULL; | |
1618 | } | |
1619 | ||
892199bd JA |
1620 | td = data + offset * sizeof(struct thread_data); |
1621 | td->pid = getpid(); | |
1622 | ||
99c6704f JA |
1623 | if (init_io_u(td)) |
1624 | goto err; | |
2c83567e | 1625 | |
18e0b78c JA |
1626 | if (sched_setaffinity(td->pid, sizeof(td->cpumask), &td->cpumask) == -1) { |
1627 | td->error = errno; | |
1628 | goto err; | |
1629 | } | |
1630 | ||
4240cfa1 | 1631 | sprintf(argv[0], "fio%d", offset); |
892199bd | 1632 | |
43000118 JA |
1633 | if (td->use_aio && init_aio(td)) |
1634 | goto err; | |
1635 | ||
f737299d | 1636 | if (td->ioprio) { |
892199bd JA |
1637 | if (ioprio_set(IOPRIO_WHO_PROCESS, 0, td->ioprio) == -1) { |
1638 | td->error = errno; | |
599002b3 | 1639 | goto err; |
892199bd JA |
1640 | } |
1641 | } | |
1642 | ||
1643 | sem_post(&startup_sem); | |
1644 | sem_wait(&td->mutex); | |
43000118 | 1645 | |
fc097bfe JA |
1646 | if (!td->create_serialize && setup_file(td)) |
1647 | goto err; | |
1648 | ||
49d2caab JA |
1649 | if (init_random_state(td)) |
1650 | goto err; | |
1651 | ||
293753bb | 1652 | while (td->loops--) { |
f6dcd824 JA |
1653 | getrusage(RUSAGE_SELF, &td->ru_start); |
1654 | gettimeofday(&td->start, NULL); | |
1655 | memcpy(&td->stat_sample_time, &td->start, sizeof(td->start)); | |
293753bb JA |
1656 | |
1657 | if (td->ratemin) | |
1658 | memcpy(&td->lastrate, &td->stat_sample_time, sizeof(td->lastrate)); | |
7292613b | 1659 | |
d32d9284 | 1660 | clear_io_state(td); |
9d0c6ca2 | 1661 | prune_io_piece_log(td); |
fd1ae4c9 | 1662 | |
b2de0ed2 | 1663 | if (!td->use_aio) |
b6794fbf | 1664 | do_sync_io(td); |
b2de0ed2 JA |
1665 | else |
1666 | do_async_io(td); | |
1667 | ||
91fc5dc9 JA |
1668 | if (td->error) |
1669 | break; | |
1670 | ||
f6dcd824 JA |
1671 | td->runtime += mtime_since_now(&td->start); |
1672 | update_rusage_stat(td); | |
1673 | ||
b2de0ed2 JA |
1674 | if (!td->verify) |
1675 | continue; | |
cfc702bd | 1676 | |
b2de0ed2 | 1677 | clear_io_state(td); |
d32d9284 | 1678 | |
91fc5dc9 JA |
1679 | if (!td->use_aio) |
1680 | do_sync_verify(td); | |
1681 | else | |
1682 | do_async_verify(td); | |
1683 | ||
1684 | if (td->error) | |
1685 | break; | |
b6794fbf | 1686 | } |
7292613b | 1687 | |
892199bd | 1688 | ret = 0; |
a0a9b35b JA |
1689 | |
1690 | if (td->bw_log) | |
1691 | finish_log(td, td->bw_log, "bw"); | |
1692 | if (td->lat_log) | |
1693 | finish_log(td, td->lat_log, "lat"); | |
4ac89145 | 1694 | |
98dd52d6 JA |
1695 | if (exitall_on_terminate) |
1696 | sig_handler(0); | |
1697 | ||
892199bd | 1698 | err: |
7292613b JA |
1699 | if (td->fd != -1) { |
1700 | close(td->fd); | |
1701 | td->fd = -1; | |
1702 | } | |
4ac89145 JA |
1703 | if (td->use_aio) |
1704 | cleanup_aio(td); | |
2c83567e | 1705 | cleanup_io_u(td); |
599002b3 | 1706 | if (ret) { |
892199bd | 1707 | sem_post(&startup_sem); |
599002b3 JA |
1708 | sem_wait(&td->mutex); |
1709 | } | |
40ef7f64 | 1710 | td_set_runstate(td, TD_EXITED); |
4240cfa1 | 1711 | shmdt(data); |
892199bd JA |
1712 | return NULL; |
1713 | } | |
1714 | ||
5c24b2c4 | 1715 | static void free_shm(void) |
892199bd | 1716 | { |
c269123b JA |
1717 | struct shmid_ds sbuf; |
1718 | ||
1719 | if (threads) { | |
1720 | shmdt(threads); | |
1721 | threads = NULL; | |
1722 | shmctl(shm_id, IPC_RMID, &sbuf); | |
1723 | } | |
892199bd JA |
1724 | } |
1725 | ||
57d753e3 JA |
1726 | static int calc_lat(struct io_stat *is, unsigned long *min, unsigned long *max, |
1727 | double *mean, double *dev) | |
1728 | { | |
1729 | double n; | |
1730 | ||
1731 | if (is->samples == 0) | |
1732 | return 0; | |
1733 | ||
1734 | *min = is->min_val; | |
1735 | *max = is->max_val; | |
1736 | ||
1737 | n = (double) is->samples; | |
1738 | *mean = (double) is->val / n; | |
1739 | *dev = sqrt(((double) is->val_sq - (*mean * *mean) / n) / (n - 1)); | |
1740 | return 1; | |
1741 | } | |
1742 | ||
5c24b2c4 | 1743 | static void show_thread_status(struct thread_data *td) |
892199bd JA |
1744 | { |
1745 | int prio, prio_class; | |
f6dcd824 | 1746 | unsigned long min, max, bw = 0; |
92b229ed | 1747 | double mean, dev, usr_cpu, sys_cpu; |
892199bd | 1748 | |
49d2caab | 1749 | if (!td->io_bytes && !td->error) |
213b446c JA |
1750 | return; |
1751 | ||
892199bd | 1752 | if (td->runtime) |
49d2caab | 1753 | bw = td->io_bytes / td->runtime; |
892199bd JA |
1754 | |
1755 | prio = td->ioprio & 0xff; | |
1756 | prio_class = td->ioprio >> IOPRIO_CLASS_SHIFT; | |
1757 | ||
f6dcd824 | 1758 | printf("Client%d (g=%d): err=%2d, io=%6luMiB, bw=%6luKiB/s, runt=%6lumsec\n", td->thread_number, td->groupid, td->error, td->io_bytes >> 20, bw, td->runtime); |
fd1ae4c9 | 1759 | |
57d753e3 JA |
1760 | if (calc_lat(&td->slat_stat, &min, &max, &mean, &dev)) |
1761 | printf(" slat (msec): min=%5lu, max=%5lu, avg=%5.02f, dev=%5.02f\n", min, max, mean, dev); | |
1762 | if (calc_lat(&td->clat_stat, &min, &max, &mean, &dev)) | |
1763 | printf(" clat (msec): min=%5lu, max=%5lu, avg=%5.02f, dev=%5.02f\n", min, max, mean, dev); | |
1764 | if (calc_lat(&td->bw_stat, &min, &max, &mean, &dev)) | |
1765 | printf(" bw (KiB/s) : min=%5lu, max=%5lu, avg=%5.02f, dev=%5.02f\n", min, max, mean, dev); | |
92b229ed JA |
1766 | |
1767 | if (td->runtime) { | |
f6dcd824 JA |
1768 | usr_cpu = (double) td->usr_time * 100 / (double) td->runtime; |
1769 | sys_cpu = (double) td->sys_time * 100 / (double) td->runtime; | |
92b229ed JA |
1770 | } else { |
1771 | usr_cpu = 0; | |
1772 | sys_cpu = 0; | |
1773 | } | |
1774 | ||
f6dcd824 | 1775 | printf(" cpu : usr=%3.2f%%, sys=%3.2f%%, ctx=%lu\n", usr_cpu, sys_cpu, td->ctx); |
892199bd JA |
1776 | } |
1777 | ||
5c24b2c4 | 1778 | static int setup_rate(struct thread_data *td) |
86184d14 | 1779 | { |
4240cfa1 JA |
1780 | int nr_reads_per_sec; |
1781 | ||
1782 | if (!td->rate) | |
1783 | return 0; | |
1784 | ||
1785 | if (td->rate < td->ratemin) { | |
1786 | fprintf(stderr, "min rate larger than nominal rate\n"); | |
1787 | return -1; | |
1788 | } | |
86184d14 | 1789 | |
49d2caab | 1790 | nr_reads_per_sec = (td->rate * 1024) / td->min_bs; |
86184d14 JA |
1791 | td->rate_usec_cycle = 1000000 / nr_reads_per_sec; |
1792 | td->rate_pending_usleep = 0; | |
4240cfa1 | 1793 | return 0; |
86184d14 JA |
1794 | } |
1795 | ||
fe74f555 | 1796 | static struct thread_data *get_new_job(int global, struct thread_data *parent) |
892199bd | 1797 | { |
4240cfa1 JA |
1798 | struct thread_data *td; |
1799 | ||
47d45203 JA |
1800 | if (global) |
1801 | return &def_thread; | |
8867c0a8 | 1802 | if (thread_number >= max_jobs) |
4240cfa1 JA |
1803 | return NULL; |
1804 | ||
1805 | td = &threads[thread_number++]; | |
fc24389f | 1806 | memset(td, 0, sizeof(*td)); |
892199bd | 1807 | |
fe74f555 JA |
1808 | sprintf(td->directory, "."); |
1809 | ||
e4ed35c3 | 1810 | td->fd = -1; |
86184d14 | 1811 | td->thread_number = thread_number; |
76cb7b42 | 1812 | |
fe74f555 JA |
1813 | td->ddir = parent->ddir; |
1814 | td->ioprio = parent->ioprio; | |
1815 | td->sequential = parent->sequential; | |
1816 | td->bs = parent->bs; | |
1817 | td->min_bs = parent->min_bs; | |
1818 | td->max_bs = parent->max_bs; | |
1819 | td->odirect = parent->odirect; | |
1820 | td->thinktime = parent->thinktime; | |
1821 | td->fsync_blocks = parent->fsync_blocks; | |
1822 | td->start_delay = parent->start_delay; | |
1823 | td->timeout = parent->timeout; | |
1824 | td->use_aio = parent->use_aio; | |
1825 | td->create_file = parent->create_file; | |
1826 | td->overwrite = parent->overwrite; | |
1827 | td->invalidate_cache = parent->invalidate_cache; | |
1828 | td->file_size = parent->file_size; | |
1829 | td->file_offset = parent->file_offset; | |
1830 | td->rate = parent->rate; | |
1831 | td->ratemin = parent->ratemin; | |
1832 | td->ratecycle = parent->ratecycle; | |
1833 | td->aio_depth = parent->aio_depth; | |
1834 | td->sync_io = parent->sync_io; | |
1835 | td->mem_type = parent->mem_type; | |
1836 | td->bw_avg_time = parent->bw_avg_time; | |
1837 | td->create_serialize = parent->create_serialize; | |
1838 | td->create_fsync = parent->create_fsync; | |
1839 | td->loops = parent->loops; | |
1840 | td->verify = parent->verify; | |
1841 | td->stonewall = parent->stonewall; | |
1842 | td->numjobs = parent->numjobs; | |
1843 | memcpy(&td->cpumask, &parent->cpumask, sizeof(td->cpumask)); | |
f737299d JA |
1844 | |
1845 | return td; | |
1846 | } | |
1847 | ||
4240cfa1 JA |
1848 | static void put_job(struct thread_data *td) |
1849 | { | |
1850 | memset(&threads[td->thread_number - 1], 0, sizeof(*td)); | |
1851 | thread_number--; | |
1852 | } | |
1853 | ||
fe74f555 | 1854 | static int add_job(struct thread_data *td, const char *jobname, int prioclass, |
5c24b2c4 | 1855 | int prio) |
f737299d | 1856 | { |
fe74f555 JA |
1857 | int numjobs; |
1858 | ||
47d45203 JA |
1859 | if (td == &def_thread) |
1860 | return 0; | |
1861 | ||
fe74f555 | 1862 | sprintf(td->file_name, "%s/%s.%d", td->directory, jobname, td->thread_number); |
4240cfa1 | 1863 | sem_init(&td->mutex, 1, 0); |
f737299d JA |
1864 | td->ioprio = (prioclass << IOPRIO_CLASS_SHIFT) | prio; |
1865 | ||
57d753e3 JA |
1866 | td->clat_stat.min_val = ULONG_MAX; |
1867 | td->slat_stat.min_val = ULONG_MAX; | |
1868 | td->bw_stat.min_val = ULONG_MAX; | |
1869 | ||
8dbff0b1 JA |
1870 | run_str[td->thread_number - 1] = 'P'; |
1871 | ||
4ac89145 JA |
1872 | if (td->use_aio && !td->aio_depth) |
1873 | td->aio_depth = 1; | |
43000118 | 1874 | |
645785e5 | 1875 | if (td->min_bs == -1U) |
8bdcfab5 | 1876 | td->min_bs = td->bs; |
645785e5 | 1877 | if (td->max_bs == -1U) |
8bdcfab5 | 1878 | td->max_bs = td->bs; |
645785e5 | 1879 | if (td_read(td)) |
840b216f | 1880 | td->verify = 0; |
8bdcfab5 | 1881 | |
0d80f40d JA |
1882 | if (td->stonewall && td->thread_number > 1) |
1883 | groupid++; | |
1884 | ||
1885 | td->groupid = groupid; | |
1886 | ||
4240cfa1 | 1887 | if (setup_rate(td)) |
fe74f555 | 1888 | goto err; |
f737299d | 1889 | |
a0a9b35b JA |
1890 | if (write_lat_log) |
1891 | setup_log(&td->lat_log); | |
1892 | if (write_bw_log) | |
1893 | setup_log(&td->bw_log); | |
1894 | ||
f6dcd824 | 1895 | printf("Client%d (g=%d): rw=%d, prio=%d/%d, seq=%d, odir=%d, bs=%d-%d, rate=%d, aio=%d, aio_depth=%d\n", td->thread_number, td->groupid, td->ddir, prioclass, prio, td->sequential, td->odirect, td->min_bs, td->max_bs, td->rate, td->use_aio, td->aio_depth); |
fe74f555 JA |
1896 | |
1897 | /* | |
1898 | * recurse add identical jobs, clear numjobs and stonewall options | |
1899 | * as they don't apply to sub-jobs | |
1900 | */ | |
1901 | numjobs = td->numjobs; | |
1902 | while (--numjobs) { | |
1903 | struct thread_data *td_new = get_new_job(0, td); | |
1904 | ||
1905 | if (!td_new) | |
42c3498f | 1906 | goto err; |
fe74f555 JA |
1907 | |
1908 | td_new->numjobs = 1; | |
1909 | td_new->stonewall = 0; | |
1910 | ||
1911 | if (add_job(td_new, jobname, prioclass, prio)) | |
42c3498f | 1912 | goto err; |
fe74f555 | 1913 | } |
4240cfa1 | 1914 | return 0; |
fe74f555 JA |
1915 | err: |
1916 | put_job(td); | |
1917 | return -1; | |
892199bd JA |
1918 | } |
1919 | ||
18e0b78c JA |
1920 | static void fill_cpu_mask(cpu_set_t cpumask, int cpu) |
1921 | { | |
f737299d | 1922 | unsigned int i; |
18e0b78c JA |
1923 | |
1924 | CPU_ZERO(&cpumask); | |
1925 | ||
1926 | for (i = 0; i < sizeof(int) * 8; i++) { | |
1927 | if ((1 << i) & cpu) | |
1928 | CPU_SET(i, &cpumask); | |
1929 | } | |
1930 | } | |
1931 | ||
7889f07b JA |
1932 | unsigned long get_mult(char c) |
1933 | { | |
1934 | switch (c) { | |
1935 | case 'k': | |
1936 | case 'K': | |
1937 | return 1024; | |
1938 | case 'm': | |
1939 | case 'M': | |
1940 | return 1024 * 1024; | |
1941 | case 'g': | |
1942 | case 'G': | |
1943 | return 1024 * 1024 * 1024; | |
1944 | default: | |
1945 | return 1; | |
1946 | } | |
1947 | } | |
1948 | ||
02983297 JA |
1949 | /* |
1950 | * convert string after '=' into decimal value, noting any size suffix | |
1951 | */ | |
1952 | static int str_cnv(char *p, unsigned long long *val) | |
1953 | { | |
02983297 JA |
1954 | char *str; |
1955 | int len; | |
1956 | ||
1957 | str = strstr(p, "="); | |
1958 | if (!str) | |
1959 | return 1; | |
1960 | ||
1961 | str++; | |
1962 | len = strlen(str); | |
02983297 JA |
1963 | |
1964 | *val = strtoul(str, NULL, 10); | |
1965 | if (*val == ULONG_MAX && errno == ERANGE) | |
1966 | return 1; | |
1967 | ||
7889f07b | 1968 | *val *= get_mult(str[len - 2]); |
02983297 | 1969 | return 0; |
02983297 JA |
1970 | } |
1971 | ||
02983297 JA |
1972 | static int check_strcnv(char *p, char *name, unsigned long long *val) |
1973 | { | |
1974 | if (!strstr(p, name)) | |
1975 | return 1; | |
1976 | ||
1977 | return str_cnv(p, val); | |
1978 | } | |
1979 | ||
99c6704f JA |
1980 | static int check_str(char *p, char *name, char *option) |
1981 | { | |
1982 | char *s = strstr(p, name); | |
1983 | ||
1984 | if (!s) | |
1985 | return 1; | |
1986 | ||
1987 | s += strlen(name); | |
1988 | if (strstr(s, option)) | |
1989 | return 0; | |
1990 | ||
1991 | return 1; | |
1992 | } | |
1993 | ||
fe74f555 JA |
1994 | static int check_strstore(char *p, char *name, char *dest) |
1995 | { | |
1996 | char *s = strstr(p, name); | |
1997 | ||
1998 | if (!s) | |
1999 | return 1; | |
2000 | ||
2001 | s = strstr(p, "="); | |
2002 | if (!s) | |
2003 | return 1; | |
2004 | ||
2005 | s++; | |
2006 | while (isblank(*s)) | |
2007 | s++; | |
2008 | ||
2009 | strcpy(dest, s); | |
1c624e2e JA |
2010 | |
2011 | s = dest + strlen(dest) - 1; | |
2012 | while (isblank(*s)) { | |
2013 | *s = '\0'; | |
2014 | s--; | |
2015 | } | |
2016 | ||
fe74f555 JA |
2017 | return 0; |
2018 | } | |
2019 | ||
7889f07b JA |
2020 | static int check_range(char *p, char *name, unsigned long *s, unsigned long *e) |
2021 | { | |
2022 | char str[128]; | |
2023 | char s1, s2; | |
2024 | ||
2025 | sprintf(str, "%s=%%lu%%c-%%lu%%c", name); | |
2026 | if (sscanf(p, str, s, &s1, e, &s2) == 4) { | |
2027 | *s *= get_mult(s1); | |
2028 | *e *= get_mult(s2); | |
2029 | return 0; | |
2030 | } | |
2031 | ||
2032 | sprintf(str, "%s = %%lu%%c-%%lu%%c", name); | |
2033 | if (sscanf(p, str, s, &s1, e, &s2) == 4) { | |
2034 | *s *= get_mult(s1); | |
2035 | *e *= get_mult(s2); | |
2036 | return 0; | |
2037 | } | |
2038 | ||
2039 | sprintf(str, "%s=%%lu-%%lu", name); | |
2040 | if (sscanf(p, str, s, e) == 2) | |
2041 | return 0; | |
2042 | ||
2043 | sprintf(str, "%s = %%lu-%%lu", name); | |
2044 | if (sscanf(p, str, s, e) == 2) | |
2045 | return 0; | |
2046 | ||
2047 | return 1; | |
2048 | ||
2049 | } | |
2050 | ||
5c24b2c4 | 2051 | static int check_int(char *p, char *name, unsigned int *val) |
7dd1389e JA |
2052 | { |
2053 | char str[128]; | |
2054 | ||
2055 | sprintf(str, "%s=%%d", name); | |
2056 | if (sscanf(p, str, val) == 1) | |
2057 | return 0; | |
2058 | ||
2059 | sprintf(str, "%s = %%d", name); | |
2060 | if (sscanf(p, str, val) == 1) | |
2061 | return 0; | |
2062 | ||
2063 | return 1; | |
2064 | } | |
2065 | ||
7292613b | 2066 | static int is_empty_or_comment(char *line) |
7dd1389e JA |
2067 | { |
2068 | unsigned int i; | |
2069 | ||
7292613b | 2070 | for (i = 0; i < strlen(line); i++) { |
7292613b | 2071 | if (line[i] == ';') |
47d45203 JA |
2072 | return 1; |
2073 | if (!isspace(line[i]) && !iscntrl(line[i])) | |
7292613b JA |
2074 | return 0; |
2075 | } | |
7dd1389e JA |
2076 | |
2077 | return 1; | |
2078 | } | |
2079 | ||
5c24b2c4 | 2080 | static int parse_jobs_ini(char *file) |
7dd1389e | 2081 | { |
47d45203 | 2082 | unsigned int prioclass, prio, cpu, global; |
8c033f93 | 2083 | unsigned long long ull; |
7889f07b | 2084 | unsigned long ul1, ul2; |
f737299d | 2085 | struct thread_data *td; |
7dd1389e JA |
2086 | char *string, *name; |
2087 | fpos_t off; | |
2088 | FILE *f; | |
2089 | char *p; | |
2090 | ||
2091 | f = fopen(file, "r"); | |
2092 | if (!f) { | |
2093 | perror("fopen"); | |
4240cfa1 | 2094 | return 1; |
7dd1389e JA |
2095 | } |
2096 | ||
2097 | string = malloc(4096); | |
2098 | name = malloc(256); | |
2099 | ||
7dd1389e | 2100 | while ((p = fgets(string, 4096, f)) != NULL) { |
7292613b JA |
2101 | if (is_empty_or_comment(p)) |
2102 | continue; | |
7dd1389e JA |
2103 | if (sscanf(p, "[%s]", name) != 1) |
2104 | continue; | |
2105 | ||
47d45203 JA |
2106 | global = !strncmp(name, "global", 6); |
2107 | ||
7dd1389e JA |
2108 | name[strlen(name) - 1] = '\0'; |
2109 | ||
fe74f555 | 2110 | td = get_new_job(global, &def_thread); |
4240cfa1 | 2111 | if (!td) |
42c3498f | 2112 | return 1; |
f737299d | 2113 | |
7dd1389e | 2114 | prioclass = 2; |
f737299d | 2115 | prio = 4; |
7dd1389e JA |
2116 | |
2117 | fgetpos(f, &off); | |
2118 | while ((p = fgets(string, 4096, f)) != NULL) { | |
7292613b | 2119 | if (is_empty_or_comment(p)) |
e6402082 JA |
2120 | continue; |
2121 | if (strstr(p, "[")) | |
7dd1389e | 2122 | break; |
f737299d | 2123 | if (!check_int(p, "rw", &td->ddir)) { |
7dd1389e JA |
2124 | fgetpos(f, &off); |
2125 | continue; | |
2126 | } | |
2127 | if (!check_int(p, "prio", &prio)) { | |
2128 | fgetpos(f, &off); | |
2129 | continue; | |
2130 | } | |
2131 | if (!check_int(p, "prioclass", &prioclass)) { | |
2132 | fgetpos(f, &off); | |
2133 | continue; | |
2134 | } | |
f737299d | 2135 | if (!check_int(p, "direct", &td->odirect)) { |
7dd1389e JA |
2136 | fgetpos(f, &off); |
2137 | continue; | |
2138 | } | |
f737299d | 2139 | if (!check_int(p, "rate", &td->rate)) { |
7dd1389e JA |
2140 | fgetpos(f, &off); |
2141 | continue; | |
2142 | } | |
4240cfa1 JA |
2143 | if (!check_int(p, "ratemin", &td->ratemin)) { |
2144 | fgetpos(f, &off); | |
2145 | continue; | |
2146 | } | |
2147 | if (!check_int(p, "ratecycle", &td->ratecycle)) { | |
2148 | fgetpos(f, &off); | |
2149 | continue; | |
2150 | } | |
e97712ed | 2151 | if (!check_int(p, "thinktime", &td->thinktime)) { |
7dd1389e JA |
2152 | fgetpos(f, &off); |
2153 | continue; | |
2154 | } | |
18e0b78c | 2155 | if (!check_int(p, "cpumask", &cpu)) { |
f737299d | 2156 | fill_cpu_mask(td->cpumask, cpu); |
18e0b78c JA |
2157 | fgetpos(f, &off); |
2158 | continue; | |
2159 | } | |
4240cfa1 JA |
2160 | if (!check_int(p, "fsync", &td->fsync_blocks)) { |
2161 | fgetpos(f, &off); | |
2162 | continue; | |
2163 | } | |
fc24389f JA |
2164 | if (!check_int(p, "startdelay", &td->start_delay)) { |
2165 | fgetpos(f, &off); | |
2166 | continue; | |
2167 | } | |
67903a2e JA |
2168 | if (!check_int(p, "timeout", &td->timeout)) { |
2169 | fgetpos(f, &off); | |
2170 | continue; | |
2171 | } | |
b95799ca JA |
2172 | if (!check_int(p, "invalidate",&td->invalidate_cache)) { |
2173 | fgetpos(f, &off); | |
2174 | continue; | |
2175 | } | |
43000118 JA |
2176 | if (!check_int(p, "aio_depth", &td->aio_depth)) { |
2177 | fgetpos(f, &off); | |
2178 | continue; | |
2179 | } | |
74b4b5fb JA |
2180 | if (!check_int(p, "sync", &td->sync_io)) { |
2181 | fgetpos(f, &off); | |
2182 | continue; | |
2183 | } | |
1d035750 JA |
2184 | if (!check_int(p, "bwavgtime", &td->bw_avg_time)) { |
2185 | fgetpos(f, &off); | |
2186 | continue; | |
2187 | } | |
fc097bfe JA |
2188 | if (!check_int(p, "create_serialize", &td->create_serialize)) { |
2189 | fgetpos(f, &off); | |
2190 | continue; | |
2191 | } | |
2192 | if (!check_int(p, "create_fsync", &td->create_fsync)) { | |
2193 | fgetpos(f, &off); | |
2194 | continue; | |
2195 | } | |
b6794fbf JA |
2196 | if (!check_int(p, "loops", &td->loops)) { |
2197 | fgetpos(f, &off); | |
2198 | continue; | |
2199 | } | |
e8457004 JA |
2200 | if (!check_int(p, "verify", &td->verify)) { |
2201 | fgetpos(f, &off); | |
2202 | continue; | |
2203 | } | |
fe74f555 JA |
2204 | if (!check_int(p, "numjobs", &td->numjobs)) { |
2205 | fgetpos(f, &off); | |
2206 | continue; | |
2207 | } | |
7889f07b | 2208 | if (!check_range(p, "bsrange", &ul1, &ul2)) { |
7f27790b JA |
2209 | if (ul1 & 511) |
2210 | printf("bad min block size, must be a multiple of 512\n"); | |
2211 | else | |
2212 | td->min_bs = ul1; | |
2213 | if (ul2 & 511) | |
2214 | printf("bad max block size, must be a multiple of 512\n"); | |
2215 | else | |
2216 | td->max_bs = ul2; | |
7889f07b JA |
2217 | fgetpos(f, &off); |
2218 | continue; | |
2219 | } | |
8c033f93 | 2220 | if (!check_strcnv(p, "bs", &ull)) { |
7f27790b JA |
2221 | if (ull & 511) |
2222 | printf("bad block size, must be a multiple of 512\n"); | |
2223 | else | |
2224 | td->bs = ull; | |
8c033f93 JA |
2225 | fgetpos(f, &off); |
2226 | continue; | |
2227 | } | |
02983297 JA |
2228 | if (!check_strcnv(p, "size", &td->file_size)) { |
2229 | fgetpos(f, &off); | |
2230 | continue; | |
2231 | } | |
2232 | if (!check_strcnv(p, "offset", &td->file_offset)) { | |
2233 | fgetpos(f, &off); | |
2234 | continue; | |
2235 | } | |
fe74f555 | 2236 | if (!check_strstore(p, "directory", td->directory)) { |
fe74f555 JA |
2237 | fgetpos(f, &off); |
2238 | continue; | |
2239 | } | |
99c6704f | 2240 | if (!check_str(p, "mem", "malloc")) { |
99c6704f JA |
2241 | td->mem_type = MEM_MALLOC; |
2242 | fgetpos(f, &off); | |
2243 | continue; | |
2244 | } | |
2245 | if (!check_str(p, "mem", "shm")) { | |
99c6704f JA |
2246 | td->mem_type = MEM_SHM; |
2247 | fgetpos(f, &off); | |
2248 | continue; | |
2249 | } | |
43000118 | 2250 | if (!strncmp(p, "sequential", 10)) { |
f737299d | 2251 | td->sequential = 1; |
7dd1389e JA |
2252 | fgetpos(f, &off); |
2253 | continue; | |
2254 | } | |
43000118 | 2255 | if (!strncmp(p, "random", 6)) { |
f737299d | 2256 | td->sequential = 0; |
7dd1389e JA |
2257 | fgetpos(f, &off); |
2258 | continue; | |
2259 | } | |
43000118 JA |
2260 | if (!strncmp(p, "aio", 3)) { |
2261 | td->use_aio = 1; | |
2262 | fgetpos(f, &off); | |
2263 | continue; | |
2264 | } | |
02983297 JA |
2265 | if (!strncmp(p, "create", 6)) { |
2266 | td->create_file = 1; | |
2267 | fgetpos(f, &off); | |
2268 | continue; | |
2269 | } | |
2270 | if (!strncmp(p, "overwrite", 9)) { | |
2271 | td->overwrite = 1; | |
2272 | fgetpos(f, &off); | |
2273 | continue; | |
2274 | } | |
98dd52d6 JA |
2275 | if (!strncmp(p, "exitall", 7)) { |
2276 | exitall_on_terminate = 1; | |
2277 | fgetpos(f, &off); | |
2278 | continue; | |
2279 | } | |
2a81240d JA |
2280 | if (!strncmp(p, "stonewall", 9)) { |
2281 | td->stonewall = 1; | |
2282 | fgetpos(f, &off); | |
2283 | continue; | |
2284 | } | |
e6402082 | 2285 | printf("Client%d: bad option %s\n",td->thread_number,p); |
7dd1389e JA |
2286 | } |
2287 | fsetpos(f, &off); | |
2288 | ||
4240cfa1 | 2289 | if (add_job(td, name, prioclass, prio)) |
42c3498f | 2290 | return 1; |
7dd1389e JA |
2291 | } |
2292 | ||
2293 | free(string); | |
2294 | free(name); | |
fc7d63df | 2295 | fclose(f); |
4240cfa1 | 2296 | return 0; |
7dd1389e JA |
2297 | } |
2298 | ||
0d80f40d | 2299 | static void parse_options(int argc, char *argv[]) |
892199bd | 2300 | { |
01c4d8de | 2301 | int i; |
892199bd JA |
2302 | |
2303 | for (i = 1; i < argc; i++) { | |
2304 | char *parm = argv[i]; | |
2305 | ||
2306 | if (parm[0] != '-') | |
2307 | break; | |
2308 | ||
2309 | parm++; | |
2310 | switch (*parm) { | |
2311 | case 's': | |
2312 | parm++; | |
47d45203 | 2313 | def_thread.sequential = !!atoi(parm); |
892199bd JA |
2314 | break; |
2315 | case 'b': | |
2316 | parm++; | |
47d45203 JA |
2317 | def_thread.bs = atoi(parm); |
2318 | def_thread.bs <<= 10; | |
2319 | if (!def_thread.bs) { | |
4240cfa1 | 2320 | printf("bad block size\n"); |
47d45203 | 2321 | def_thread.bs = DEF_BS; |
4240cfa1 | 2322 | } |
892199bd JA |
2323 | break; |
2324 | case 't': | |
2325 | parm++; | |
47d45203 | 2326 | def_thread.timeout = atoi(parm); |
892199bd | 2327 | break; |
892199bd JA |
2328 | case 'r': |
2329 | parm++; | |
2330 | repeatable = !!atoi(parm); | |
2331 | break; | |
02bdd9ba JA |
2332 | case 'R': |
2333 | parm++; | |
2334 | rate_quit = !!atoi(parm); | |
2335 | break; | |
892199bd JA |
2336 | case 'o': |
2337 | parm++; | |
47d45203 | 2338 | def_thread.odirect = !!atoi(parm); |
892199bd | 2339 | break; |
7dd1389e JA |
2340 | case 'f': |
2341 | if (i + 1 >= argc) { | |
2342 | printf("-f needs file as arg\n"); | |
2343 | break; | |
2344 | } | |
2345 | ini_file = strdup(argv[i+1]); | |
a642279f | 2346 | i++; |
7dd1389e | 2347 | break; |
a0a9b35b JA |
2348 | case 'l': |
2349 | write_lat_log = 1; | |
2350 | break; | |
2351 | case 'w': | |
2352 | write_bw_log = 1; | |
2353 | break; | |
892199bd | 2354 | default: |
7dd1389e | 2355 | printf("bad option %s\n", argv[i]); |
892199bd JA |
2356 | break; |
2357 | } | |
2358 | } | |
892199bd JA |
2359 | } |
2360 | ||
3f39453a | 2361 | static void print_thread_status(struct thread_data *td, int nr_running, |
8dbff0b1 | 2362 | int t_rate, int m_rate) |
3f39453a | 2363 | { |
3f39453a JA |
2364 | printf("Threads now running: %d", nr_running); |
2365 | if (m_rate || t_rate) | |
2366 | printf(", commitrate %d/%dKiB/sec", t_rate, m_rate); | |
8dbff0b1 JA |
2367 | printf(" : [%s]\r", run_str); |
2368 | fflush(stdout); | |
3f39453a JA |
2369 | } |
2370 | ||
40ef7f64 JA |
2371 | static void check_str_update(struct thread_data *td, int n, int t, int m) |
2372 | { | |
2373 | char c = run_str[td->thread_number - 1]; | |
2374 | ||
2375 | if (td->runstate == td->old_runstate) | |
2376 | return; | |
2377 | ||
2378 | switch (td->runstate) { | |
2379 | case TD_REAPED: | |
2380 | c = '_'; | |
2381 | break; | |
f4bb2243 JA |
2382 | case TD_EXITED: |
2383 | c = 'E'; | |
2384 | break; | |
40ef7f64 | 2385 | case TD_RUNNING: |
af678352 JA |
2386 | if (td_read(td)) { |
2387 | if (td->sequential) | |
2388 | c = 'R'; | |
2389 | else | |
2390 | c = 'r'; | |
2391 | } else { | |
2392 | if (td->sequential) | |
2393 | c = 'W'; | |
2394 | else | |
2395 | c = 'w'; | |
2396 | } | |
40ef7f64 JA |
2397 | break; |
2398 | case TD_VERIFYING: | |
2399 | c = 'V'; | |
2400 | break; | |
2401 | case TD_CREATED: | |
2402 | c = 'C'; | |
2403 | break; | |
2404 | case TD_NOT_CREATED: | |
2405 | c = 'P'; | |
2406 | break; | |
2407 | default: | |
2408 | printf("state %d\n", td->runstate); | |
2409 | } | |
2410 | ||
2411 | run_str[td->thread_number - 1] = c; | |
2412 | print_thread_status(td, n, t, m); | |
2413 | td->old_runstate = td->runstate; | |
2414 | } | |
2415 | ||
213b446c | 2416 | static void reap_threads(int *nr_running, int *t_rate, int *m_rate) |
02bdd9ba | 2417 | { |
213b446c | 2418 | int i; |
02bdd9ba | 2419 | |
3f39453a JA |
2420 | /* |
2421 | * reap exited threads (TD_EXITED -> TD_REAPED) | |
2422 | */ | |
02bdd9ba JA |
2423 | for (i = 0; i < thread_number; i++) { |
2424 | struct thread_data *td = &threads[i]; | |
2425 | ||
40ef7f64 JA |
2426 | check_str_update(td, *nr_running, *t_rate, *m_rate); |
2427 | ||
213b446c JA |
2428 | if (td->runstate != TD_EXITED) |
2429 | continue; | |
02bdd9ba | 2430 | |
40ef7f64 | 2431 | td_set_runstate(td, TD_REAPED); |
213b446c JA |
2432 | waitpid(td->pid, NULL, 0); |
2433 | (*nr_running)--; | |
2434 | (*m_rate) -= td->ratemin; | |
2435 | (*t_rate) -= td->rate; | |
40ef7f64 | 2436 | check_str_update(td, *nr_running, *t_rate, *m_rate); |
e6402082 JA |
2437 | |
2438 | if (td->terminate) | |
2439 | continue; | |
213b446c | 2440 | } |
02bdd9ba JA |
2441 | } |
2442 | ||
fc24389f JA |
2443 | static void run_threads(char *argv[]) |
2444 | { | |
be33abe4 | 2445 | struct timeval genesis; |
fc24389f JA |
2446 | struct thread_data *td; |
2447 | unsigned long spent; | |
2a81240d | 2448 | int i, todo, nr_running, m_rate, t_rate, nr_started; |
fc24389f | 2449 | |
fc24389f JA |
2450 | printf("Starting %d threads\n", thread_number); |
2451 | fflush(stdout); | |
2452 | ||
7292613b JA |
2453 | signal(SIGINT, sig_handler); |
2454 | ||
fc24389f | 2455 | todo = thread_number; |
02bdd9ba | 2456 | nr_running = 0; |
2a81240d | 2457 | nr_started = 0; |
213b446c | 2458 | m_rate = t_rate = 0; |
fc24389f | 2459 | |
8bdcfab5 JA |
2460 | for (i = 0; i < thread_number; i++) { |
2461 | td = &threads[i]; | |
2462 | ||
fc097bfe JA |
2463 | if (!td->create_serialize) |
2464 | continue; | |
2465 | ||
8bdcfab5 JA |
2466 | /* |
2467 | * do file setup here so it happens sequentially, | |
2468 | * we don't want X number of threads getting their | |
2469 | * client data interspersed on disk | |
2470 | */ | |
2471 | if (setup_file(td)) { | |
40ef7f64 | 2472 | td_set_runstate(td, TD_REAPED); |
8bdcfab5 JA |
2473 | todo--; |
2474 | } | |
2475 | } | |
2476 | ||
2477 | gettimeofday(&genesis, NULL); | |
2478 | ||
213b446c | 2479 | while (todo) { |
3f39453a JA |
2480 | /* |
2481 | * create threads (TD_NOT_CREATED -> TD_CREATED) | |
2482 | */ | |
fc24389f JA |
2483 | for (i = 0; i < thread_number; i++) { |
2484 | td = &threads[i]; | |
2485 | ||
02bdd9ba | 2486 | if (td->runstate != TD_NOT_CREATED) |
fc24389f JA |
2487 | continue; |
2488 | ||
213b446c JA |
2489 | /* |
2490 | * never got a chance to start, killed by other | |
2491 | * thread for some reason | |
2492 | */ | |
2493 | if (td->terminate) { | |
2494 | todo--; | |
2495 | continue; | |
2496 | } | |
2497 | ||
fc24389f | 2498 | if (td->start_delay) { |
be33abe4 | 2499 | spent = mtime_since_now(&genesis); |
fc24389f JA |
2500 | |
2501 | if (td->start_delay * 1000 > spent) | |
2502 | continue; | |
2503 | } | |
2504 | ||
2a81240d | 2505 | if (td->stonewall && (nr_started || nr_running)) |
ea6f96a2 | 2506 | break; |
2a81240d | 2507 | |
40ef7f64 JA |
2508 | td_set_runstate(td, TD_CREATED); |
2509 | check_str_update(td, nr_running, t_rate, m_rate); | |
fc24389f JA |
2510 | sem_init(&startup_sem, 1, 1); |
2511 | todo--; | |
2a81240d | 2512 | nr_started++; |
fc24389f JA |
2513 | |
2514 | if (fork()) | |
2515 | sem_wait(&startup_sem); | |
2516 | else { | |
2517 | thread_main(shm_id, i, argv); | |
2518 | exit(0); | |
2519 | } | |
2520 | } | |
2521 | ||
3f39453a | 2522 | /* |
e8457004 | 2523 | * start created threads (TD_CREATED -> TD_RUNNING) |
3f39453a | 2524 | */ |
fc24389f JA |
2525 | for (i = 0; i < thread_number; i++) { |
2526 | struct thread_data *td = &threads[i]; | |
2527 | ||
3f39453a JA |
2528 | if (td->runstate != TD_CREATED) |
2529 | continue; | |
2530 | ||
40ef7f64 | 2531 | td_set_runstate(td, TD_RUNNING); |
3f39453a | 2532 | nr_running++; |
2a81240d | 2533 | nr_started--; |
3f39453a JA |
2534 | m_rate += td->ratemin; |
2535 | t_rate += td->rate; | |
40ef7f64 | 2536 | check_str_update(td, nr_running, t_rate, m_rate); |
3f39453a | 2537 | sem_post(&td->mutex); |
fc24389f JA |
2538 | } |
2539 | ||
e8457004 JA |
2540 | for (i = 0; i < thread_number; i++) { |
2541 | struct thread_data *td = &threads[i]; | |
2542 | ||
b48889bb JA |
2543 | if (td->runstate != TD_RUNNING && |
2544 | td->runstate != TD_VERIFYING) | |
e8457004 JA |
2545 | continue; |
2546 | ||
40ef7f64 | 2547 | check_str_update(td, nr_running, t_rate, m_rate); |
e8457004 JA |
2548 | } |
2549 | ||
213b446c | 2550 | reap_threads(&nr_running, &t_rate, &m_rate); |
02bdd9ba | 2551 | |
fc24389f JA |
2552 | if (todo) |
2553 | usleep(100000); | |
2554 | } | |
02bdd9ba JA |
2555 | |
2556 | while (nr_running) { | |
213b446c | 2557 | reap_threads(&nr_running, &t_rate, &m_rate); |
02bdd9ba JA |
2558 | usleep(10000); |
2559 | } | |
fc24389f JA |
2560 | } |
2561 | ||
8867c0a8 | 2562 | int setup_thread_area(void) |
892199bd | 2563 | { |
8867c0a8 JA |
2564 | /* |
2565 | * 1024 is too much on some machines, scale max_jobs if | |
2566 | * we get a failure that looks like too large a shm segment | |
2567 | */ | |
2568 | do { | |
2569 | int s = max_jobs * sizeof(struct thread_data); | |
18e0b78c | 2570 | |
8867c0a8 JA |
2571 | shm_id = shmget(0, s, IPC_CREAT | 0600); |
2572 | if (shm_id != -1) | |
2573 | break; | |
2574 | if (errno != EINVAL) { | |
2575 | perror("shmget"); | |
2576 | break; | |
2577 | } | |
2578 | ||
2579 | max_jobs >>= 1; | |
d4fac444 | 2580 | } while (max_jobs); |
8867c0a8 JA |
2581 | |
2582 | if (shm_id == -1) | |
892199bd | 2583 | return 1; |
892199bd JA |
2584 | |
2585 | threads = shmat(shm_id, NULL, 0); | |
8867c0a8 | 2586 | if (threads == (void *) -1) { |
86184d14 JA |
2587 | perror("shmat"); |
2588 | return 1; | |
2589 | } | |
892199bd JA |
2590 | |
2591 | atexit(free_shm); | |
8867c0a8 JA |
2592 | return 0; |
2593 | } | |
2594 | ||
0d80f40d JA |
2595 | struct group_run_stats { |
2596 | unsigned long max_run[2], min_run[2]; | |
2597 | unsigned long max_bw[2], min_bw[2]; | |
2598 | unsigned long io_mb[2]; | |
2599 | unsigned long agg[2]; | |
2600 | }; | |
2601 | ||
2602 | static void show_group_stats(struct group_run_stats *rs, int id) | |
8867c0a8 | 2603 | { |
0d80f40d JA |
2604 | printf("\nRun status group %d:\n", id); |
2605 | ||
2606 | if (rs->max_run[DDIR_READ]) | |
2607 | printf(" READ: io=%luMiB, aggrb=%lu, minb=%lu, maxb=%lu, mint=%lumsec, maxt=%lumsec\n", rs->io_mb[0], rs->agg[0], rs->min_bw[0], rs->max_bw[0], rs->min_run[0], rs->max_run[0]); | |
2608 | if (rs->max_run[DDIR_WRITE]) | |
2609 | printf(" WRITE: io=%luMiB, aggrb=%lu, minb=%lu, maxb=%lu, mint=%lumsec, maxt=%lumsec\n", rs->io_mb[1], rs->agg[1], rs->min_bw[1], rs->max_bw[1], rs->min_run[1], rs->max_run[1]); | |
2610 | } | |
2611 | ||
2612 | static void show_run_stats(void) | |
2613 | { | |
2614 | struct group_run_stats *runstats, *rs; | |
8867c0a8 JA |
2615 | int i; |
2616 | ||
0d80f40d JA |
2617 | runstats = malloc(sizeof(struct group_run_stats) * (groupid + 1)); |
2618 | ||
2619 | for (i = 0; i < groupid + 1; i++) { | |
2620 | rs = &runstats[i]; | |
2621 | ||
f6dcd824 | 2622 | memset(rs, 0, sizeof(*rs)); |
0d80f40d JA |
2623 | rs->min_bw[0] = rs->min_run[0] = ~0UL; |
2624 | rs->min_bw[1] = rs->min_run[1] = ~0UL; | |
0d80f40d JA |
2625 | } |
2626 | ||
2627 | for (i = 0; i < thread_number; i++) { | |
2628 | struct thread_data *td = &threads[i]; | |
2629 | unsigned long bw = 0; | |
2630 | ||
2631 | rs = &runstats[td->groupid]; | |
2632 | ||
2633 | if (!td->error) { | |
2634 | if (td->runtime < rs->min_run[td->ddir]) | |
2635 | rs->min_run[td->ddir] = td->runtime; | |
2636 | if (td->runtime > rs->max_run[td->ddir]) | |
2637 | rs->max_run[td->ddir] = td->runtime; | |
2638 | ||
2639 | if (td->runtime) | |
2640 | bw = td->io_bytes / td->runtime; | |
2641 | if (bw < rs->min_bw[td->ddir]) | |
2642 | rs->min_bw[td->ddir] = bw; | |
2643 | if (bw > rs->max_bw[td->ddir]) | |
2644 | rs->max_bw[td->ddir] = bw; | |
2645 | ||
2646 | rs->io_mb[td->ddir] += td->io_bytes >> 20; | |
2647 | } | |
2648 | ||
2649 | show_thread_status(td); | |
2650 | } | |
2651 | ||
2652 | for (i = 0; i < groupid + 1; i++) { | |
2653 | rs = &runstats[i]; | |
2654 | ||
2655 | if (rs->max_run[0]) | |
2656 | rs->agg[0] = (rs->io_mb[0]*1024*1000) / rs->max_run[0]; | |
2657 | if (rs->max_run[1]) | |
2658 | rs->agg[1] = (rs->io_mb[1]*1024*1000) / rs->max_run[1]; | |
2659 | ||
2660 | show_group_stats(rs, i); | |
2661 | } | |
2662 | } | |
2663 | ||
2664 | int main(int argc, char *argv[]) | |
2665 | { | |
8867c0a8 JA |
2666 | if (setup_thread_area()) |
2667 | return 1; | |
892199bd | 2668 | |
47d45203 | 2669 | if (sched_getaffinity(getpid(), sizeof(cpu_set_t), &def_thread.cpumask) == -1) { |
4240cfa1 JA |
2670 | perror("sched_getaffinity"); |
2671 | return 1; | |
2672 | } | |
2673 | ||
47d45203 JA |
2674 | /* |
2675 | * fill globals | |
2676 | */ | |
2677 | def_thread.ddir = DDIR_READ; | |
2678 | def_thread.bs = DEF_BS; | |
7889f07b JA |
2679 | def_thread.min_bs = -1; |
2680 | def_thread.max_bs = -1; | |
02983297 | 2681 | def_thread.odirect = DEF_ODIRECT; |
47d45203 | 2682 | def_thread.ratecycle = DEF_RATE_CYCLE; |
02983297 | 2683 | def_thread.sequential = DEF_SEQUENTIAL; |
47d45203 | 2684 | def_thread.timeout = DEF_TIMEOUT; |
02983297 JA |
2685 | def_thread.create_file = DEF_CREATE; |
2686 | def_thread.overwrite = DEF_OVERWRITE; | |
b95799ca | 2687 | def_thread.invalidate_cache = DEF_INVALIDATE; |
99c6704f JA |
2688 | def_thread.sync_io = DEF_SYNCIO; |
2689 | def_thread.mem_type = MEM_MALLOC; | |
1d035750 | 2690 | def_thread.bw_avg_time = DEF_BWAVGTIME; |
fc097bfe JA |
2691 | def_thread.create_serialize = DEF_CREATE_SER; |
2692 | def_thread.create_fsync = DEF_CREATE_FSYNC; | |
b6794fbf | 2693 | def_thread.loops = DEF_LOOPS; |
cfc702bd | 2694 | def_thread.verify = DEF_VERIFY; |
2a81240d | 2695 | def_thread.stonewall = DEF_STONEWALL; |
fe74f555 | 2696 | def_thread.numjobs = DEF_NUMJOBS; |
47d45203 | 2697 | |
0d80f40d | 2698 | parse_options(argc, argv); |
7dd1389e | 2699 | |
5961d92c JA |
2700 | if (!ini_file) { |
2701 | printf("Need job file\n"); | |
2702 | return 1; | |
2703 | } | |
2704 | ||
2705 | if (parse_jobs_ini(ini_file)) | |
2706 | return 1; | |
7dd1389e | 2707 | |
4240cfa1 JA |
2708 | if (!thread_number) { |
2709 | printf("Nothing to do\n"); | |
2710 | return 1; | |
2711 | } | |
7dd1389e | 2712 | |
fc24389f | 2713 | run_threads(argv); |
0d80f40d | 2714 | show_run_stats(); |
fc24389f | 2715 | |
892199bd JA |
2716 | return 0; |
2717 | } |