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> | |
e128065d | 29 | #include <math.h> |
49d2caab | 30 | #include <assert.h> |
189873de | 31 | #include <pthread.h> |
892199bd JA |
32 | #include <sys/types.h> |
33 | #include <sys/stat.h> | |
34 | #include <sys/wait.h> | |
892199bd JA |
35 | #include <sys/ipc.h> |
36 | #include <sys/shm.h> | |
c94deb1c | 37 | #include <sys/ioctl.h> |
892199bd JA |
38 | #include <asm/unistd.h> |
39 | ||
27c32a38 | 40 | #include "fio.h" |
892199bd | 41 | |
892199bd JA |
42 | #define MASK (4095) |
43 | ||
4240cfa1 | 44 | #define ALIGN(buf) (char *) (((unsigned long) (buf) + MASK) & ~(MASK)) |
892199bd | 45 | |
27c32a38 JA |
46 | int groupid = 0; |
47 | int thread_number = 0; | |
48 | char run_str[MAX_JOBS + 1]; | |
49 | int shm_id = 0; | |
892199bd | 50 | |
02bdd9ba JA |
51 | /* |
52 | * thread life cycle | |
53 | */ | |
54 | enum { | |
55 | TD_NOT_CREATED = 0, | |
56 | TD_CREATED, | |
e8457004 JA |
57 | TD_RUNNING, |
58 | TD_VERIFYING, | |
02bdd9ba JA |
59 | TD_EXITED, |
60 | TD_REAPED, | |
61 | }; | |
62 | ||
2c83567e JA |
63 | /* |
64 | * The io unit | |
65 | */ | |
66 | struct io_u { | |
67 | struct iocb iocb; | |
57d753e3 | 68 | struct timeval start_time; |
2c83567e JA |
69 | struct timeval issue_time; |
70 | ||
2c83567e JA |
71 | char *buf; |
72 | unsigned int buflen; | |
4ac89145 | 73 | unsigned long long offset; |
2c83567e JA |
74 | |
75 | struct list_head list; | |
76 | }; | |
77 | ||
62bb4285 | 78 | #define should_fsync(td) (td_write(td) && !(td)->odirect) |
02983297 | 79 | |
892199bd JA |
80 | static sem_t startup_sem; |
81 | ||
27c32a38 JA |
82 | #define TERMINATE_ALL (-1) |
83 | ||
84 | static void terminate_threads(int groupid) | |
892199bd JA |
85 | { |
86 | int i; | |
87 | ||
213b446c JA |
88 | for (i = 0; i < thread_number; i++) { |
89 | struct thread_data *td = &threads[i]; | |
90 | ||
27c32a38 JA |
91 | if (groupid == TERMINATE_ALL || groupid == td->groupid) { |
92 | td->terminate = 1; | |
93 | td->start_delay = 0; | |
94 | } | |
213b446c | 95 | } |
02bdd9ba JA |
96 | } |
97 | ||
27c32a38 | 98 | static void sig_handler(int sig) |
946d8870 | 99 | { |
27c32a38 | 100 | terminate_threads(TERMINATE_ALL); |
892199bd JA |
101 | } |
102 | ||
5c24b2c4 | 103 | static unsigned long utime_since(struct timeval *s, struct timeval *e) |
892199bd JA |
104 | { |
105 | double sec, usec; | |
106 | ||
107 | sec = e->tv_sec - s->tv_sec; | |
108 | usec = e->tv_usec - s->tv_usec; | |
109 | if (sec > 0 && usec < 0) { | |
110 | sec--; | |
111 | usec += 1000000; | |
112 | } | |
113 | ||
114 | sec *= (double) 1000000; | |
115 | ||
116 | return sec + usec; | |
117 | } | |
118 | ||
fd11d7af JA |
119 | static unsigned long utime_since_now(struct timeval *s) |
120 | { | |
121 | struct timeval t; | |
122 | ||
123 | gettimeofday(&t, NULL); | |
124 | return utime_since(s, &t); | |
125 | } | |
126 | ||
5c24b2c4 | 127 | static unsigned long mtime_since(struct timeval *s, struct timeval *e) |
892199bd JA |
128 | { |
129 | double sec, usec; | |
130 | ||
131 | sec = e->tv_sec - s->tv_sec; | |
132 | usec = e->tv_usec - s->tv_usec; | |
133 | if (sec > 0 && usec < 0) { | |
134 | sec--; | |
135 | usec += 1000000; | |
136 | } | |
137 | ||
138 | sec *= (double) 1000; | |
139 | usec /= (double) 1000; | |
140 | ||
141 | return sec + usec; | |
142 | } | |
143 | ||
be33abe4 JA |
144 | static unsigned long mtime_since_now(struct timeval *s) |
145 | { | |
146 | struct timeval t; | |
147 | ||
148 | gettimeofday(&t, NULL); | |
149 | return mtime_since(s, &t); | |
150 | } | |
151 | ||
98168d55 JA |
152 | static inline unsigned long msec_now(struct timeval *s) |
153 | { | |
154 | return s->tv_sec * 1000 + s->tv_usec / 1000; | |
155 | } | |
156 | ||
49d2caab JA |
157 | static int random_map_free(struct thread_data *td, unsigned long long block) |
158 | { | |
75b2ab2c JA |
159 | unsigned int idx = RAND_MAP_IDX(td, block); |
160 | unsigned int bit = RAND_MAP_BIT(td, block); | |
49d2caab JA |
161 | |
162 | return (td->file_map[idx] & (1UL << bit)) == 0; | |
163 | } | |
164 | ||
165 | static int get_next_free_block(struct thread_data *td, unsigned long long *b) | |
892199bd | 166 | { |
49d2caab JA |
167 | int i; |
168 | ||
169 | *b = 0; | |
170 | i = 0; | |
171 | while ((*b) * td->min_bs < td->io_size) { | |
172 | if (td->file_map[i] != -1UL) { | |
173 | *b += ffz(td->file_map[i]); | |
174 | return 0; | |
175 | } | |
176 | ||
177 | *b += BLOCKS_PER_MAP; | |
178 | i++; | |
179 | } | |
180 | ||
181 | return 1; | |
182 | } | |
183 | ||
184 | static void mark_random_map(struct thread_data *td, struct io_u *io_u) | |
185 | { | |
186 | unsigned long block = io_u->offset / td->min_bs; | |
187 | unsigned int blocks = 0; | |
188 | ||
189 | while (blocks < (io_u->buflen / td->min_bs)) { | |
190 | int idx, bit; | |
191 | ||
192 | if (!random_map_free(td, block)) | |
193 | break; | |
194 | ||
75b2ab2c JA |
195 | idx = RAND_MAP_IDX(td, block); |
196 | bit = RAND_MAP_BIT(td, block); | |
49d2caab JA |
197 | |
198 | assert(idx < td->num_maps); | |
199 | ||
200 | td->file_map[idx] |= (1UL << bit); | |
201 | block++; | |
202 | blocks++; | |
203 | } | |
204 | ||
205 | if ((blocks * td->min_bs) < io_u->buflen) | |
206 | io_u->buflen = blocks * td->min_bs; | |
207 | } | |
208 | ||
209 | static int get_next_offset(struct thread_data *td, unsigned long long *offset) | |
210 | { | |
75b2ab2c | 211 | unsigned long long b, rb; |
d32d9284 | 212 | long r; |
892199bd JA |
213 | |
214 | if (!td->sequential) { | |
49d2caab JA |
215 | unsigned long max_blocks = td->io_size / td->min_bs; |
216 | int loops = 50; | |
217 | ||
218 | do { | |
219 | lrand48_r(&td->random_state, &r); | |
220 | b = ((max_blocks - 1) * r / (RAND_MAX+1.0)); | |
75b2ab2c | 221 | rb = b + (td->file_offset / td->min_bs); |
49d2caab | 222 | loops--; |
75b2ab2c | 223 | } while (!random_map_free(td, rb) && loops); |
49d2caab JA |
224 | |
225 | if (!loops) { | |
226 | if (get_next_free_block(td, &b)) | |
227 | return 1; | |
228 | } | |
7889f07b | 229 | } else |
49d2caab | 230 | b = td->last_bytes / td->min_bs; |
7889f07b | 231 | |
49d2caab | 232 | *offset = (b * td->min_bs) + td->file_offset; |
75b2ab2c JA |
233 | if (*offset > td->file_size) |
234 | return 1; | |
235 | ||
49d2caab | 236 | return 0; |
7889f07b JA |
237 | } |
238 | ||
239 | static unsigned int get_next_buflen(struct thread_data *td) | |
240 | { | |
241 | unsigned int buflen; | |
d32d9284 | 242 | long r; |
7889f07b JA |
243 | |
244 | if (td->min_bs == td->max_bs) | |
245 | buflen = td->min_bs; | |
246 | else { | |
d32d9284 | 247 | lrand48_r(&td->bsrange_state, &r); |
7889f07b JA |
248 | buflen = (1 + (double) (td->max_bs - 1) * r / (RAND_MAX + 1.0)); |
249 | buflen = (buflen + td->min_bs - 1) & ~(td->min_bs - 1); | |
892199bd JA |
250 | } |
251 | ||
49d2caab JA |
252 | if (buflen > td->io_size - td->this_io_bytes) |
253 | buflen = td->io_size - td->this_io_bytes; | |
7889f07b | 254 | |
7889f07b | 255 | return buflen; |
892199bd JA |
256 | } |
257 | ||
57d753e3 JA |
258 | static inline void add_stat_sample(struct thread_data *td, struct io_stat *is, |
259 | unsigned long val) | |
892199bd | 260 | { |
57d753e3 JA |
261 | if (val > is->max_val) |
262 | is->max_val = val; | |
263 | if (val < is->min_val) | |
264 | is->min_val = val; | |
265 | ||
266 | is->val += val; | |
267 | is->val_sq += val * val; | |
268 | is->samples++; | |
269 | } | |
fd1ae4c9 | 270 | |
a0a9b35b JA |
271 | static void add_log_sample(struct thread_data *td, struct io_log *log, |
272 | unsigned long val) | |
273 | { | |
274 | if (log->nr_samples == log->max_samples) { | |
275 | int new_size = sizeof(struct io_sample) * log->max_samples * 2; | |
276 | ||
277 | log->log = realloc(log->log, new_size); | |
278 | log->max_samples <<= 1; | |
279 | } | |
280 | ||
281 | log->log[log->nr_samples].val = val; | |
282 | log->log[log->nr_samples].time = mtime_since_now(&td->start); | |
283 | log->nr_samples++; | |
284 | } | |
285 | ||
57d753e3 JA |
286 | static void add_clat_sample(struct thread_data *td, unsigned long msec) |
287 | { | |
288 | add_stat_sample(td, &td->clat_stat, msec); | |
a0a9b35b JA |
289 | |
290 | if (td->lat_log) | |
291 | add_log_sample(td, td->lat_log, msec); | |
57d753e3 | 292 | } |
fd1ae4c9 | 293 | |
57d753e3 JA |
294 | static void add_slat_sample(struct thread_data *td, unsigned long msec) |
295 | { | |
296 | add_stat_sample(td, &td->slat_stat, msec); | |
297 | } | |
fd1ae4c9 | 298 | |
645785e5 | 299 | static void add_bw_sample(struct thread_data *td) |
57d753e3 JA |
300 | { |
301 | unsigned long spent = mtime_since_now(&td->stat_sample_time); | |
302 | unsigned long rate; | |
303 | ||
1d035750 | 304 | if (spent < td->bw_avg_time) |
57d753e3 JA |
305 | return; |
306 | ||
49d2caab | 307 | rate = (td->this_io_bytes - td->stat_io_bytes) / spent; |
57d753e3 JA |
308 | add_stat_sample(td, &td->bw_stat, rate); |
309 | ||
a0a9b35b JA |
310 | if (td->bw_log) |
311 | add_log_sample(td, td->bw_log, rate); | |
312 | ||
57d753e3 | 313 | gettimeofday(&td->stat_sample_time, NULL); |
49d2caab | 314 | td->stat_io_bytes = td->this_io_bytes; |
892199bd JA |
315 | } |
316 | ||
fd11d7af JA |
317 | /* |
318 | * busy looping version for the last few usec | |
319 | */ | |
320 | static void __usec_sleep(int usec) | |
321 | { | |
322 | struct timeval start; | |
323 | ||
324 | gettimeofday(&start, NULL); | |
325 | while (utime_since_now(&start) < usec) | |
3782a8cd | 326 | nop; |
fd11d7af JA |
327 | } |
328 | ||
5c24b2c4 | 329 | static void usec_sleep(int usec) |
892199bd | 330 | { |
86184d14 JA |
331 | struct timespec req = { .tv_sec = 0, .tv_nsec = usec * 1000 }; |
332 | struct timespec rem; | |
892199bd JA |
333 | |
334 | do { | |
fd11d7af JA |
335 | if (usec < 5000) { |
336 | __usec_sleep(usec); | |
337 | break; | |
338 | } | |
86184d14 JA |
339 | rem.tv_sec = rem.tv_nsec = 0; |
340 | nanosleep(&req, &rem); | |
341 | if (!rem.tv_nsec) | |
892199bd | 342 | break; |
86184d14 JA |
343 | |
344 | req.tv_nsec = rem.tv_nsec; | |
fd11d7af | 345 | usec = rem.tv_nsec * 1000; |
892199bd JA |
346 | } while (1); |
347 | } | |
348 | ||
9e850933 JA |
349 | static void rate_throttle(struct thread_data *td, unsigned long time_spent, |
350 | unsigned int bytes) | |
86184d14 | 351 | { |
9e850933 JA |
352 | unsigned long usec_cycle; |
353 | ||
4240cfa1 JA |
354 | if (!td->rate) |
355 | return; | |
356 | ||
9e850933 JA |
357 | usec_cycle = td->rate_usec_cycle * (bytes / td->min_bs); |
358 | ||
359 | if (time_spent < usec_cycle) { | |
360 | unsigned long s = usec_cycle - time_spent; | |
86184d14 JA |
361 | |
362 | td->rate_pending_usleep += s; | |
fad86e6a | 363 | if (td->rate_pending_usleep >= 100000) { |
86184d14 JA |
364 | usec_sleep(td->rate_pending_usleep); |
365 | td->rate_pending_usleep = 0; | |
366 | } | |
4240cfa1 | 367 | } else { |
9e850933 | 368 | long overtime = time_spent - usec_cycle; |
42b2b9fe | 369 | |
4240cfa1 JA |
370 | td->rate_pending_usleep -= overtime; |
371 | } | |
372 | } | |
373 | ||
5c24b2c4 | 374 | static int check_min_rate(struct thread_data *td, struct timeval *now) |
4240cfa1 | 375 | { |
7607bc6b | 376 | unsigned long spent; |
4240cfa1 JA |
377 | unsigned long rate; |
378 | ||
379 | /* | |
380 | * allow a 2 second settle period in the beginning | |
381 | */ | |
7607bc6b | 382 | if (mtime_since(&td->start, now) < 2000) |
4240cfa1 JA |
383 | return 0; |
384 | ||
385 | /* | |
386 | * if rate blocks is set, sample is running | |
387 | */ | |
49d2caab | 388 | if (td->rate_bytes) { |
4240cfa1 JA |
389 | spent = mtime_since(&td->lastrate, now); |
390 | if (spent < td->ratecycle) | |
391 | return 0; | |
392 | ||
49d2caab | 393 | rate = (td->this_io_bytes - td->rate_bytes) / spent; |
4240cfa1 JA |
394 | if (rate < td->ratemin) { |
395 | printf("Client%d: min rate %d not met, got %ldKiB/sec\n", td->thread_number, td->ratemin, rate); | |
02bdd9ba | 396 | if (rate_quit) |
27c32a38 | 397 | terminate_threads(td->groupid); |
4240cfa1 JA |
398 | return 1; |
399 | } | |
86184d14 | 400 | } |
4240cfa1 | 401 | |
49d2caab | 402 | td->rate_bytes = td->this_io_bytes; |
4240cfa1 JA |
403 | memcpy(&td->lastrate, now, sizeof(*now)); |
404 | return 0; | |
86184d14 JA |
405 | } |
406 | ||
67903a2e JA |
407 | static inline int runtime_exceeded(struct thread_data *td, struct timeval *t) |
408 | { | |
01f79976 JA |
409 | if (!td->timeout) |
410 | return 0; | |
67903a2e JA |
411 | if (mtime_since(&td->start, t) >= td->timeout * 1000) |
412 | return 1; | |
413 | ||
414 | return 0; | |
415 | } | |
416 | ||
e8457004 JA |
417 | static void fill_random_bytes(struct thread_data *td, |
418 | unsigned char *p, unsigned int len) | |
419 | { | |
645785e5 | 420 | unsigned int todo; |
40ef7f64 | 421 | double r; |
e8457004 JA |
422 | |
423 | while (len) { | |
40ef7f64 | 424 | drand48_r(&td->verify_state, &r); |
e8457004 | 425 | |
40ef7f64 JA |
426 | /* |
427 | * lrand48_r seems to be broken and only fill the bottom | |
428 | * 32-bits, even on 64-bit archs with 64-bit longs | |
429 | */ | |
430 | todo = sizeof(r); | |
e8457004 JA |
431 | if (todo > len) |
432 | todo = len; | |
433 | ||
434 | memcpy(p, &r, todo); | |
435 | ||
436 | len -= todo; | |
437 | p += todo; | |
438 | } | |
439 | } | |
440 | ||
9d0c6ca2 JA |
441 | static void hexdump(void *buffer, int len) |
442 | { | |
443 | unsigned char *p = buffer; | |
444 | int i; | |
445 | ||
446 | for (i = 0; i < len; i++) | |
447 | printf("%02x", p[i]); | |
448 | printf("\n"); | |
449 | } | |
450 | ||
645785e5 | 451 | static int verify_io_u(struct io_u *io_u) |
e8457004 JA |
452 | { |
453 | struct verify_header *hdr = (struct verify_header *) io_u->buf; | |
454 | unsigned char *p = (unsigned char *) io_u->buf; | |
455 | struct md5_ctx md5_ctx; | |
9d0c6ca2 | 456 | int ret; |
e8457004 | 457 | |
840b216f | 458 | if (hdr->fio_magic != FIO_HDR_MAGIC) |
e8457004 JA |
459 | return 1; |
460 | ||
461 | memset(&md5_ctx, 0, sizeof(md5_ctx)); | |
462 | p += sizeof(*hdr); | |
463 | md5_update(&md5_ctx, p, hdr->len - sizeof(*hdr)); | |
464 | ||
9d0c6ca2 JA |
465 | ret = memcmp(hdr->md5_digest, md5_ctx.hash, sizeof(md5_ctx.hash)); |
466 | if (ret) { | |
467 | hexdump(hdr->md5_digest, sizeof(hdr->md5_digest)); | |
468 | hexdump(md5_ctx.hash, sizeof(md5_ctx.hash)); | |
469 | } | |
470 | ||
471 | return ret; | |
e8457004 JA |
472 | } |
473 | ||
cfc702bd JA |
474 | /* |
475 | * fill body of io_u->buf with random data and add a header with the | |
476 | * (eg) sha1sum of that data. | |
477 | */ | |
e8457004 | 478 | static void populate_io_u(struct thread_data *td, struct io_u *io_u) |
cfc702bd | 479 | { |
e8457004 JA |
480 | struct md5_ctx md5_ctx; |
481 | struct verify_header hdr; | |
482 | unsigned char *p = (unsigned char *) io_u->buf; | |
483 | ||
484 | hdr.fio_magic = FIO_HDR_MAGIC; | |
485 | hdr.len = io_u->buflen; | |
486 | p += sizeof(hdr); | |
487 | fill_random_bytes(td, p, io_u->buflen - sizeof(hdr)); | |
488 | ||
489 | memset(&md5_ctx, 0, sizeof(md5_ctx)); | |
490 | md5_update(&md5_ctx, p, io_u->buflen - sizeof(hdr)); | |
491 | memcpy(hdr.md5_digest, md5_ctx.hash, sizeof(md5_ctx.hash)); | |
492 | memcpy(io_u->buf, &hdr, sizeof(hdr)); | |
cfc702bd JA |
493 | } |
494 | ||
2c83567e JA |
495 | static void put_io_u(struct thread_data *td, struct io_u *io_u) |
496 | { | |
497 | list_del(&io_u->list); | |
498 | list_add(&io_u->list, &td->io_u_freelist); | |
499 | td->cur_depth--; | |
500 | } | |
501 | ||
f0f3411b JA |
502 | #define queue_full(td) (list_empty(&(td)->io_u_freelist)) |
503 | ||
e8457004 JA |
504 | static struct io_u *__get_io_u(struct thread_data *td) |
505 | { | |
506 | struct io_u *io_u; | |
507 | ||
f0f3411b | 508 | if (queue_full(td)) |
e8457004 JA |
509 | return NULL; |
510 | ||
511 | io_u = list_entry(td->io_u_freelist.next, struct io_u, list); | |
512 | list_del(&io_u->list); | |
513 | list_add(&io_u->list, &td->io_u_busylist); | |
f4bb2243 | 514 | td->cur_depth++; |
e8457004 JA |
515 | return io_u; |
516 | } | |
517 | ||
2c83567e JA |
518 | static struct io_u *get_io_u(struct thread_data *td) |
519 | { | |
520 | struct io_u *io_u; | |
521 | ||
e8457004 JA |
522 | io_u = __get_io_u(td); |
523 | if (!io_u) | |
2c83567e JA |
524 | return NULL; |
525 | ||
406e7b7c JA |
526 | if (get_next_offset(td, &io_u->offset)) { |
527 | put_io_u(td, io_u); | |
49d2caab | 528 | return NULL; |
406e7b7c | 529 | } |
49d2caab | 530 | |
b2a369fb JA |
531 | io_u->buflen = get_next_buflen(td); |
532 | if (!io_u->buflen) { | |
e8457004 | 533 | put_io_u(td, io_u); |
7889f07b | 534 | return NULL; |
e8457004 | 535 | } |
2c83567e | 536 | |
75b2ab2c JA |
537 | if (io_u->buflen + io_u->offset > td->file_size) |
538 | io_u->buflen = td->file_size - io_u->offset; | |
49d2caab JA |
539 | |
540 | if (!td->sequential) | |
541 | mark_random_map(td, io_u); | |
542 | ||
543 | td->last_bytes += io_u->buflen; | |
544 | ||
9d0c6ca2 | 545 | if (td->verify) |
e8457004 | 546 | populate_io_u(td, io_u); |
cfc702bd | 547 | |
2c83567e JA |
548 | if (td->use_aio) { |
549 | if (td_read(td)) | |
550 | io_prep_pread(&io_u->iocb, td->fd, io_u->buf, io_u->buflen, io_u->offset); | |
551 | else | |
552 | io_prep_pwrite(&io_u->iocb, td->fd, io_u->buf, io_u->buflen, io_u->offset); | |
553 | } | |
554 | ||
57d753e3 | 555 | gettimeofday(&io_u->start_time, NULL); |
2c83567e JA |
556 | return io_u; |
557 | } | |
558 | ||
40ef7f64 JA |
559 | static inline void td_set_runstate(struct thread_data *td, int runstate) |
560 | { | |
561 | td->old_runstate = td->runstate; | |
562 | td->runstate = runstate; | |
563 | } | |
564 | ||
645785e5 JA |
565 | static int get_next_verify(struct thread_data *td, |
566 | unsigned long long *offset, unsigned int *len) | |
567 | { | |
568 | struct io_piece *ipo; | |
569 | ||
570 | if (list_empty(&td->io_hist_list)) | |
571 | return 1; | |
572 | ||
573 | ipo = list_entry(td->io_hist_list.next, struct io_piece, list); | |
574 | list_del(&ipo->list); | |
575 | ||
576 | *offset = ipo->offset; | |
577 | *len = ipo->len; | |
578 | free(ipo); | |
579 | return 0; | |
580 | } | |
581 | ||
9d0c6ca2 JA |
582 | static void prune_io_piece_log(struct thread_data *td) |
583 | { | |
584 | struct io_piece *ipo; | |
585 | ||
586 | while (!list_empty(&td->io_hist_list)) { | |
587 | ipo = list_entry(td->io_hist_list.next, struct io_piece, list); | |
588 | ||
589 | list_del(&ipo->list); | |
590 | free(ipo); | |
591 | } | |
592 | } | |
593 | ||
9d0c6ca2 JA |
594 | /* |
595 | * log a succesful write, so we can unwind the log for verify | |
596 | */ | |
597 | static void log_io_piece(struct thread_data *td, struct io_u *io_u) | |
598 | { | |
49d2caab | 599 | struct io_piece *ipo = malloc(sizeof(struct io_piece)); |
9d0c6ca2 JA |
600 | struct list_head *entry; |
601 | ||
602 | INIT_LIST_HEAD(&ipo->list); | |
603 | ipo->offset = io_u->offset; | |
604 | ipo->len = io_u->buflen; | |
605 | ||
49d2caab JA |
606 | /* |
607 | * for random io where the writes extend the file, it will typically | |
608 | * be laid out with the block scattered as written. it's faster to | |
609 | * read them in in that order again, so don't sort | |
610 | */ | |
611 | if (td->sequential || !td->overwrite) { | |
9d0c6ca2 JA |
612 | list_add_tail(&ipo->list, &td->io_hist_list); |
613 | return; | |
614 | } | |
615 | ||
616 | /* | |
617 | * for random io, sort the list so verify will run faster | |
618 | */ | |
619 | entry = &td->io_hist_list; | |
620 | while ((entry = entry->prev) != &td->io_hist_list) { | |
621 | struct io_piece *__ipo = list_entry(entry, struct io_piece, list); | |
622 | ||
9d0c6ca2 JA |
623 | if (__ipo->offset < ipo->offset) |
624 | break; | |
625 | } | |
626 | ||
627 | list_add(&ipo->list, entry); | |
628 | } | |
629 | ||
91fc5dc9 | 630 | static void do_sync_verify(struct thread_data *td) |
cfc702bd | 631 | { |
40ef7f64 | 632 | struct timeval t; |
e8457004 | 633 | struct io_u *io_u = NULL; |
645785e5 | 634 | int ret; |
e8457004 | 635 | |
40ef7f64 | 636 | td_set_runstate(td, TD_VERIFYING); |
e8457004 JA |
637 | |
638 | io_u = __get_io_u(td); | |
639 | ||
40ef7f64 | 640 | if (!td->odirect) { |
49d2caab | 641 | if (fadvise(td->fd, td->file_offset, td->io_size, POSIX_FADV_DONTNEED) < 0) { |
40ef7f64 JA |
642 | td->error = errno; |
643 | goto out; | |
644 | } | |
645 | } | |
646 | ||
e8457004 JA |
647 | do { |
648 | if (td->terminate) | |
649 | break; | |
40ef7f64 JA |
650 | |
651 | gettimeofday(&t, NULL); | |
652 | if (runtime_exceeded(td, &t)) | |
653 | break; | |
654 | ||
645785e5 JA |
655 | if (get_next_verify(td, &io_u->offset, &io_u->buflen)) |
656 | break; | |
657 | ||
658 | if (td->cur_off != io_u->offset) { | |
659 | if (lseek(td->fd, io_u->offset, SEEK_SET) == -1) { | |
660 | td->error = errno; | |
661 | break; | |
662 | } | |
663 | } | |
e8457004 JA |
664 | |
665 | ret = read(td->fd, io_u->buf, io_u->buflen); | |
666 | if (ret < (int) io_u->buflen) { | |
667 | if (ret == -1) { | |
668 | td->error = errno; | |
669 | break; | |
670 | } else if (!ret) | |
671 | break; | |
672 | else | |
673 | io_u->buflen = ret; | |
674 | } | |
675 | ||
645785e5 | 676 | if (verify_io_u(io_u)) |
e8457004 JA |
677 | break; |
678 | ||
645785e5 | 679 | td->cur_off = io_u->offset + io_u->buflen; |
e8457004 JA |
680 | } while (1); |
681 | ||
682 | out: | |
40ef7f64 | 683 | td_set_runstate(td, TD_RUNNING); |
e8457004 | 684 | put_io_u(td, io_u); |
cfc702bd JA |
685 | } |
686 | ||
43000118 | 687 | static void do_sync_io(struct thread_data *td) |
892199bd | 688 | { |
7889f07b | 689 | unsigned long msec, usec; |
e8457004 | 690 | struct io_u *io_u = NULL; |
2c83567e | 691 | struct timeval e; |
892199bd | 692 | |
49d2caab | 693 | while (td->this_io_bytes < td->io_size) { |
892199bd JA |
694 | int ret; |
695 | ||
696 | if (td->terminate) | |
697 | break; | |
698 | ||
2c83567e | 699 | io_u = get_io_u(td); |
7889f07b JA |
700 | if (!io_u) |
701 | break; | |
2c83567e | 702 | |
63a09e51 JA |
703 | if (td->cur_off != io_u->offset) { |
704 | if (lseek(td->fd, io_u->offset, SEEK_SET) == -1) { | |
705 | td->error = errno; | |
706 | break; | |
707 | } | |
892199bd JA |
708 | } |
709 | ||
02983297 | 710 | if (td_read(td)) |
2c83567e | 711 | ret = read(td->fd, io_u->buf, io_u->buflen); |
892199bd | 712 | else |
2c83567e | 713 | ret = write(td->fd, io_u->buf, io_u->buflen); |
892199bd | 714 | |
2c83567e | 715 | if (ret < (int) io_u->buflen) { |
892199bd JA |
716 | if (ret == -1) |
717 | td->error = errno; | |
718 | break; | |
719 | } | |
720 | ||
62bb4285 | 721 | if (td_write(td)) |
645785e5 JA |
722 | log_io_piece(td, io_u); |
723 | ||
4240cfa1 | 724 | td->io_blocks++; |
49d2caab JA |
725 | td->io_bytes += io_u->buflen; |
726 | td->this_io_bytes += io_u->buflen; | |
63a09e51 | 727 | td->cur_off = io_u->offset + io_u->buflen; |
4240cfa1 | 728 | |
86184d14 JA |
729 | gettimeofday(&e, NULL); |
730 | ||
57d753e3 | 731 | usec = utime_since(&io_u->start_time, &e); |
86184d14 | 732 | |
9e850933 | 733 | rate_throttle(td, usec, io_u->buflen); |
892199bd | 734 | |
4240cfa1 JA |
735 | if (check_min_rate(td, &e)) { |
736 | td->error = ENODATA; | |
737 | break; | |
738 | } | |
892199bd | 739 | |
4240cfa1 | 740 | msec = usec / 1000; |
57d753e3 | 741 | add_clat_sample(td, msec); |
645785e5 | 742 | add_bw_sample(td); |
67903a2e JA |
743 | |
744 | if (runtime_exceeded(td, &e)) | |
745 | break; | |
2c83567e | 746 | |
cdf92433 | 747 | put_io_u(td, io_u); |
e8457004 | 748 | io_u = NULL; |
cdf92433 | 749 | |
e97712ed JA |
750 | if (td->thinktime) |
751 | usec_sleep(td->thinktime); | |
752 | ||
cdf92433 JA |
753 | if (should_fsync(td) && td->fsync_blocks && |
754 | (td->io_blocks % td->fsync_blocks) == 0) | |
755 | fsync(td->fd); | |
892199bd JA |
756 | } |
757 | ||
e8457004 JA |
758 | if (io_u) |
759 | put_io_u(td, io_u); | |
760 | ||
4240cfa1 | 761 | if (should_fsync(td)) |
892199bd | 762 | fsync(td->fd); |
892199bd | 763 | } |
43000118 | 764 | |
1ad72b11 JA |
765 | static int io_u_getevents(struct thread_data *td, int min, int max, |
766 | struct timespec *t) | |
767 | { | |
768 | int r; | |
769 | ||
770 | do { | |
771 | r = io_getevents(td->aio_ctx, min, max, td->aio_events, t); | |
772 | if (r != -EAGAIN && r != -EINTR) | |
773 | break; | |
774 | } while (1); | |
775 | ||
776 | return r; | |
777 | } | |
778 | ||
2c83567e | 779 | static int io_u_queue(struct thread_data *td, struct io_u *io_u) |
56b0eff0 | 780 | { |
2c83567e | 781 | struct iocb *iocb = &io_u->iocb; |
56b0eff0 JA |
782 | int ret; |
783 | ||
784 | do { | |
254605cd | 785 | ret = io_submit(td->aio_ctx, 1, &iocb); |
56b0eff0 JA |
786 | if (ret == 1) |
787 | return 0; | |
406e7b7c | 788 | else if (ret == -EAGAIN) |
56b0eff0 | 789 | usleep(100); |
406e7b7c | 790 | else if (ret == -EINTR) |
a592bd33 | 791 | continue; |
56b0eff0 JA |
792 | else |
793 | break; | |
794 | } while (1); | |
795 | ||
a592bd33 | 796 | return ret; |
56b0eff0 JA |
797 | } |
798 | ||
98168d55 | 799 | #define iocb_time(iocb) ((unsigned long) (iocb)->data) |
2c83567e JA |
800 | #define ev_to_iou(ev) (struct io_u *) ((unsigned long) (ev)->obj) |
801 | ||
f0f3411b | 802 | static int ios_completed(struct thread_data *td, int nr) |
2c83567e JA |
803 | { |
804 | unsigned long msec; | |
805 | struct io_u *io_u; | |
806 | struct timeval e; | |
9e850933 | 807 | int i, bytes_done; |
2c83567e | 808 | |
f0f3411b | 809 | gettimeofday(&e, NULL); |
2c83567e | 810 | |
9e850933 | 811 | for (i = 0, bytes_done = 0; i < nr; i++) { |
2c83567e JA |
812 | io_u = ev_to_iou(td->aio_events + i); |
813 | ||
f0f3411b | 814 | td->io_blocks++; |
49d2caab JA |
815 | td->io_bytes += io_u->buflen; |
816 | td->this_io_bytes += io_u->buflen; | |
8c033f93 | 817 | |
f0f3411b | 818 | msec = mtime_since(&io_u->issue_time, &e); |
2c83567e | 819 | |
f0f3411b | 820 | add_clat_sample(td, msec); |
645785e5 JA |
821 | add_bw_sample(td); |
822 | ||
62bb4285 | 823 | if (td_write(td)) |
645785e5 | 824 | log_io_piece(td, io_u); |
2c83567e | 825 | |
f4bb2243 | 826 | bytes_done += io_u->buflen; |
2c83567e JA |
827 | put_io_u(td, io_u); |
828 | } | |
9e850933 JA |
829 | |
830 | return bytes_done; | |
2c83567e JA |
831 | } |
832 | ||
833 | static void cleanup_pending_aio(struct thread_data *td) | |
834 | { | |
835 | struct timespec ts = { .tv_sec = 0, .tv_nsec = 0}; | |
836 | struct list_head *entry, *n; | |
837 | struct io_u *io_u; | |
838 | int r; | |
839 | ||
840 | /* | |
841 | * get immediately available events, if any | |
842 | */ | |
1ad72b11 | 843 | r = io_u_getevents(td, 0, td->cur_depth, &ts); |
2c83567e | 844 | if (r > 0) |
f0f3411b | 845 | ios_completed(td, r); |
2c83567e JA |
846 | |
847 | /* | |
848 | * now cancel remaining active events | |
849 | */ | |
850 | list_for_each_safe(entry, n, &td->io_u_busylist) { | |
851 | io_u = list_entry(entry, struct io_u, list); | |
852 | ||
853 | r = io_cancel(td->aio_ctx, &io_u->iocb, td->aio_events); | |
854 | if (!r) | |
855 | put_io_u(td, io_u); | |
856 | } | |
857 | ||
858 | if (td->cur_depth) { | |
1ad72b11 | 859 | r = io_u_getevents(td, td->cur_depth, td->cur_depth, NULL); |
2c83567e | 860 | if (r > 0) |
f0f3411b | 861 | ios_completed(td, r); |
2c83567e JA |
862 | } |
863 | } | |
98168d55 | 864 | |
d32d9284 JA |
865 | static int async_do_verify(struct thread_data *td, struct io_u **io_u) |
866 | { | |
867 | struct io_u *v_io_u = *io_u; | |
868 | int ret = 0; | |
869 | ||
870 | if (v_io_u) { | |
645785e5 | 871 | ret = verify_io_u(v_io_u); |
d32d9284 JA |
872 | put_io_u(td, v_io_u); |
873 | *io_u = NULL; | |
874 | } | |
875 | ||
876 | return ret; | |
877 | } | |
878 | ||
91fc5dc9 | 879 | static void do_async_verify(struct thread_data *td) |
cfc702bd | 880 | { |
f4bb2243 | 881 | struct timeval t; |
d32d9284 | 882 | struct io_u *io_u, *v_io_u = NULL; |
645785e5 | 883 | int ret; |
f4bb2243 JA |
884 | |
885 | td_set_runstate(td, TD_VERIFYING); | |
886 | ||
f4bb2243 JA |
887 | do { |
888 | if (td->terminate) | |
889 | break; | |
890 | ||
891 | gettimeofday(&t, NULL); | |
892 | if (runtime_exceeded(td, &t)) | |
893 | break; | |
894 | ||
895 | io_u = __get_io_u(td); | |
896 | if (!io_u) | |
897 | break; | |
898 | ||
645785e5 JA |
899 | if (get_next_verify(td, &io_u->offset, &io_u->buflen)) { |
900 | put_io_u(td, io_u); | |
901 | break; | |
f4bb2243 JA |
902 | } |
903 | ||
904 | io_prep_pread(&io_u->iocb, td->fd, io_u->buf, io_u->buflen, io_u->offset); | |
905 | ret = io_u_queue(td, io_u); | |
906 | if (ret) { | |
907 | put_io_u(td, io_u); | |
908 | td->error = ret; | |
909 | break; | |
910 | } | |
911 | ||
f0f3411b JA |
912 | /* |
913 | * we have one pending to verify, do that while the next | |
914 | * we are doing io on the next one | |
915 | */ | |
d32d9284 JA |
916 | if (async_do_verify(td, &v_io_u)) |
917 | break; | |
f0f3411b | 918 | |
1ad72b11 | 919 | ret = io_u_getevents(td, 1, 1, NULL); |
f0f3411b JA |
920 | if (ret != 1) { |
921 | if (ret < 0) | |
922 | td->error = ret; | |
f4bb2243 JA |
923 | break; |
924 | } | |
925 | ||
f0f3411b | 926 | v_io_u = ev_to_iou(td->aio_events); |
f4bb2243 | 927 | |
645785e5 | 928 | td->cur_off = v_io_u->offset + v_io_u->buflen; |
f0f3411b JA |
929 | |
930 | /* | |
d32d9284 | 931 | * if we can't submit more io, we need to verify now |
f0f3411b | 932 | */ |
d32d9284 JA |
933 | if (queue_full(td) && async_do_verify(td, &v_io_u)) |
934 | break; | |
935 | ||
f4bb2243 JA |
936 | } while (1); |
937 | ||
d32d9284 | 938 | async_do_verify(td, &v_io_u); |
f0f3411b | 939 | |
f4bb2243 JA |
940 | if (td->cur_depth) |
941 | cleanup_pending_aio(td); | |
942 | ||
943 | td_set_runstate(td, TD_RUNNING); | |
cfc702bd JA |
944 | } |
945 | ||
43000118 JA |
946 | static void do_async_io(struct thread_data *td) |
947 | { | |
948 | struct timeval s, e; | |
7889f07b | 949 | unsigned long usec; |
43000118 | 950 | |
49d2caab | 951 | while (td->this_io_bytes < td->io_size) { |
43000118 JA |
952 | struct timespec ts = { .tv_sec = 0, .tv_nsec = 0}; |
953 | struct timespec *timeout; | |
2c83567e JA |
954 | int ret, min_evts = 0; |
955 | struct io_u *io_u; | |
9e850933 | 956 | unsigned int bytes_done; |
43000118 JA |
957 | |
958 | if (td->terminate) | |
959 | break; | |
960 | ||
2c83567e | 961 | io_u = get_io_u(td); |
7889f07b JA |
962 | if (!io_u) |
963 | break; | |
43000118 | 964 | |
57d753e3 | 965 | memcpy(&s, &io_u->start_time, sizeof(s)); |
8baf1bcc | 966 | |
2c83567e | 967 | ret = io_u_queue(td, io_u); |
56b0eff0 | 968 | if (ret) { |
a3fdb993 | 969 | put_io_u(td, io_u); |
a592bd33 | 970 | td->error = ret; |
43000118 JA |
971 | break; |
972 | } | |
973 | ||
57d753e3 JA |
974 | gettimeofday(&io_u->issue_time, NULL); |
975 | add_slat_sample(td, mtime_since(&io_u->start_time, &io_u->issue_time)); | |
2c83567e | 976 | if (td->cur_depth < td->aio_depth) { |
43000118 JA |
977 | timeout = &ts; |
978 | min_evts = 0; | |
979 | } else { | |
980 | timeout = NULL; | |
981 | min_evts = 1; | |
982 | } | |
983 | ||
1ad72b11 | 984 | ret = io_u_getevents(td, min_evts, td->cur_depth, timeout); |
43000118 | 985 | if (ret < 0) { |
406e7b7c | 986 | td->error = ret; |
43000118 JA |
987 | break; |
988 | } else if (!ret) | |
989 | continue; | |
990 | ||
f0f3411b | 991 | bytes_done = ios_completed(td, ret); |
43000118 | 992 | |
98168d55 JA |
993 | /* |
994 | * the rate is batched for now, it should work for batches | |
995 | * of completions except the very first one which may look | |
996 | * a little bursty | |
997 | */ | |
2c83567e | 998 | gettimeofday(&e, NULL); |
43000118 JA |
999 | usec = utime_since(&s, &e); |
1000 | ||
9e850933 | 1001 | rate_throttle(td, usec, bytes_done); |
43000118 JA |
1002 | |
1003 | if (check_min_rate(td, &e)) { | |
1004 | td->error = ENODATA; | |
1005 | break; | |
1006 | } | |
67903a2e JA |
1007 | |
1008 | if (runtime_exceeded(td, &e)) | |
1009 | break; | |
765d9223 JA |
1010 | |
1011 | if (td->thinktime) | |
1012 | usec_sleep(td->thinktime); | |
cdf92433 JA |
1013 | |
1014 | if (should_fsync(td) && td->fsync_blocks && | |
1015 | (td->io_blocks % td->fsync_blocks) == 0) | |
1016 | fsync(td->fd); | |
43000118 | 1017 | } |
56b0eff0 | 1018 | |
2c83567e JA |
1019 | if (td->cur_depth) |
1020 | cleanup_pending_aio(td); | |
4ac89145 JA |
1021 | |
1022 | if (should_fsync(td)) | |
1023 | fsync(td->fd); | |
56b0eff0 JA |
1024 | } |
1025 | ||
1026 | static void cleanup_aio(struct thread_data *td) | |
1027 | { | |
254605cd JA |
1028 | io_destroy(td->aio_ctx); |
1029 | ||
43000118 JA |
1030 | if (td->aio_events) |
1031 | free(td->aio_events); | |
43000118 JA |
1032 | } |
1033 | ||
1034 | static int init_aio(struct thread_data *td) | |
1035 | { | |
254605cd | 1036 | if (io_queue_init(td->aio_depth, &td->aio_ctx)) { |
43000118 JA |
1037 | td->error = errno; |
1038 | return 1; | |
1039 | } | |
1040 | ||
43000118 | 1041 | td->aio_events = malloc(td->aio_depth * sizeof(struct io_event)); |
43000118 JA |
1042 | return 0; |
1043 | } | |
1044 | ||
2c83567e JA |
1045 | static void cleanup_io_u(struct thread_data *td) |
1046 | { | |
1047 | struct list_head *entry, *n; | |
1048 | struct io_u *io_u; | |
1049 | ||
1050 | list_for_each_safe(entry, n, &td->io_u_freelist) { | |
1051 | io_u = list_entry(entry, struct io_u, list); | |
1052 | ||
1053 | list_del(&io_u->list); | |
2c83567e JA |
1054 | free(io_u); |
1055 | } | |
6b71c826 | 1056 | |
99c6704f JA |
1057 | if (td->mem_type == MEM_MALLOC) |
1058 | free(td->orig_buffer); | |
1059 | else if (td->mem_type == MEM_SHM) { | |
1060 | struct shmid_ds sbuf; | |
1061 | ||
1062 | shmdt(td->orig_buffer); | |
1063 | shmctl(td->shm_id, IPC_RMID, &sbuf); | |
1064 | } | |
2c83567e JA |
1065 | } |
1066 | ||
99c6704f | 1067 | static int init_io_u(struct thread_data *td) |
2c83567e JA |
1068 | { |
1069 | struct io_u *io_u; | |
99c6704f | 1070 | int i, max_units, mem_size; |
6b71c826 | 1071 | char *p; |
2c83567e JA |
1072 | |
1073 | if (!td->use_aio) | |
1074 | max_units = 1; | |
1075 | else | |
1076 | max_units = td->aio_depth; | |
1077 | ||
7889f07b | 1078 | mem_size = td->max_bs * max_units + MASK; |
99c6704f JA |
1079 | |
1080 | if (td->mem_type == MEM_MALLOC) | |
1081 | td->orig_buffer = malloc(mem_size); | |
1082 | else if (td->mem_type == MEM_SHM) { | |
1083 | td->shm_id = shmget(IPC_PRIVATE, mem_size, IPC_CREAT | 0600); | |
1084 | if (td->shm_id < 0) { | |
1085 | td->error = errno; | |
1086 | perror("shmget"); | |
1087 | return 1; | |
1088 | } | |
1089 | ||
1090 | td->orig_buffer = shmat(td->shm_id, NULL, 0); | |
1091 | if (td->orig_buffer == (void *) -1) { | |
1092 | td->error = errno; | |
1093 | perror("shmat"); | |
1094 | return 1; | |
1095 | } | |
1096 | } | |
6b71c826 | 1097 | |
2c83567e JA |
1098 | INIT_LIST_HEAD(&td->io_u_freelist); |
1099 | INIT_LIST_HEAD(&td->io_u_busylist); | |
645785e5 | 1100 | INIT_LIST_HEAD(&td->io_hist_list); |
2c83567e | 1101 | |
99c6704f | 1102 | p = ALIGN(td->orig_buffer); |
2c83567e JA |
1103 | for (i = 0; i < max_units; i++) { |
1104 | io_u = malloc(sizeof(*io_u)); | |
1105 | memset(io_u, 0, sizeof(*io_u)); | |
1106 | INIT_LIST_HEAD(&io_u->list); | |
1107 | ||
7889f07b | 1108 | io_u->buf = p + td->max_bs * i; |
2c83567e JA |
1109 | list_add(&io_u->list, &td->io_u_freelist); |
1110 | } | |
99c6704f JA |
1111 | |
1112 | return 0; | |
2c83567e JA |
1113 | } |
1114 | ||
02983297 JA |
1115 | static int create_file(struct thread_data *td) |
1116 | { | |
7889f07b | 1117 | unsigned long long left; |
645785e5 | 1118 | unsigned int bs; |
02983297 | 1119 | char *b; |
645785e5 | 1120 | int r; |
02983297 | 1121 | |
02983297 JA |
1122 | /* |
1123 | * unless specifically asked for overwrite, let normal io extend it | |
1124 | */ | |
62bb4285 | 1125 | if (td_write(td) && !td->overwrite) |
02983297 JA |
1126 | return 0; |
1127 | ||
57d753e3 JA |
1128 | if (!td->file_size) { |
1129 | fprintf(stderr, "Need size for create\n"); | |
1130 | td->error = EINVAL; | |
1131 | return 1; | |
1132 | } | |
1133 | ||
42fd89a7 JA |
1134 | printf("Client%d: Laying out IO file\n", td->thread_number); |
1135 | ||
02983297 JA |
1136 | td->fd = open(td->file_name, O_WRONLY | O_CREAT | O_TRUNC, 0644); |
1137 | if (td->fd < 0) { | |
1138 | td->error = errno; | |
1139 | return 1; | |
1140 | } | |
1141 | ||
c94deb1c JA |
1142 | if (ftruncate(td->fd, td->file_size) == -1) { |
1143 | td->error = errno; | |
1144 | return 1; | |
1145 | } | |
1146 | ||
49d2caab | 1147 | td->io_size = td->file_size; |
7889f07b JA |
1148 | b = malloc(td->max_bs); |
1149 | memset(b, 0, td->max_bs); | |
1150 | ||
1151 | left = td->file_size; | |
1152 | while (left) { | |
1153 | bs = td->max_bs; | |
1154 | if (bs > left) | |
1155 | bs = left; | |
02983297 | 1156 | |
7889f07b | 1157 | r = write(td->fd, b, bs); |
02983297 | 1158 | |
645785e5 | 1159 | if (r == (int) bs) { |
7889f07b | 1160 | left -= bs; |
02983297 | 1161 | continue; |
7889f07b | 1162 | } else { |
02983297 JA |
1163 | if (r < 0) |
1164 | td->error = errno; | |
1165 | else | |
1166 | td->error = EIO; | |
1167 | ||
1168 | break; | |
1169 | } | |
1170 | } | |
1171 | ||
fc097bfe JA |
1172 | if (td->create_fsync) |
1173 | fsync(td->fd); | |
1174 | ||
02983297 JA |
1175 | close(td->fd); |
1176 | td->fd = -1; | |
1177 | free(b); | |
1178 | return 0; | |
1179 | } | |
1180 | ||
1181 | static int file_exists(struct thread_data *td) | |
1182 | { | |
1183 | struct stat st; | |
1184 | ||
1185 | if (stat(td->file_name, &st) != -1) | |
1186 | return 1; | |
1187 | ||
1188 | return errno != ENOENT; | |
1189 | } | |
1190 | ||
c4c8f7b3 | 1191 | static int file_size(struct thread_data *td) |
02983297 JA |
1192 | { |
1193 | struct stat st; | |
c94deb1c JA |
1194 | |
1195 | if (fstat(td->fd, &st) == -1) { | |
1196 | td->error = errno; | |
1197 | return 1; | |
1198 | } | |
1199 | ||
c94deb1c | 1200 | if (td_read(td)) { |
c4c8f7b3 JA |
1201 | if (!td->file_size || td->file_size > st.st_size) |
1202 | td->file_size = st.st_size; | |
c94deb1c JA |
1203 | } else { |
1204 | if (!td->file_size) | |
1205 | td->file_size = 1024 * 1024 * 1024; | |
c4c8f7b3 JA |
1206 | } |
1207 | ||
1208 | return 0; | |
1209 | } | |
1210 | ||
1211 | static int bdev_size(struct thread_data *td) | |
1212 | { | |
1213 | size_t bytes; | |
c94deb1c | 1214 | |
c4c8f7b3 JA |
1215 | if (ioctl(td->fd, BLKGETSIZE64, &bytes) < 0) { |
1216 | td->error = errno; | |
1217 | return 1; | |
c94deb1c JA |
1218 | } |
1219 | ||
c4c8f7b3 JA |
1220 | if (!td->file_size || (td->file_size > bytes)) |
1221 | td->file_size = bytes; | |
1222 | ||
1223 | return 0; | |
1224 | } | |
1225 | ||
1226 | static int get_file_size(struct thread_data *td) | |
1227 | { | |
1228 | int ret; | |
1229 | ||
1230 | if (td->filetype == FIO_TYPE_FILE) | |
1231 | ret = file_size(td); | |
1232 | else | |
1233 | ret = bdev_size(td); | |
1234 | ||
1235 | if (ret) | |
1236 | return ret; | |
1237 | ||
1238 | if (td->file_offset > td->file_size) { | |
c94deb1c JA |
1239 | fprintf(stderr, "Client%d: offset larger than length\n", td->thread_number); |
1240 | return 1; | |
1241 | } | |
1242 | ||
c4c8f7b3 | 1243 | td->io_size = td->file_size - td->file_offset; |
c94deb1c JA |
1244 | if (td->io_size == 0) { |
1245 | fprintf(stderr, "Client%d: no io blocks\n", td->thread_number); | |
1246 | td->error = EINVAL; | |
1247 | return 1; | |
1248 | } | |
1249 | ||
1250 | return 0; | |
1251 | } | |
1252 | ||
1253 | static int setup_file(struct thread_data *td) | |
1254 | { | |
02983297 JA |
1255 | int flags = 0; |
1256 | ||
1257 | if (!file_exists(td)) { | |
1258 | if (!td->create_file) { | |
1259 | td->error = ENOENT; | |
1260 | return 1; | |
1261 | } | |
1262 | if (create_file(td)) | |
1263 | return 1; | |
1264 | } | |
1265 | ||
1266 | if (td->odirect) | |
1267 | flags |= O_DIRECT; | |
1268 | ||
1269 | if (td_read(td)) | |
1270 | td->fd = open(td->file_name, flags | O_RDONLY); | |
1271 | else { | |
1272 | if (!td->overwrite) | |
1273 | flags |= O_TRUNC; | |
74b4b5fb JA |
1274 | if (td->sync_io) |
1275 | flags |= O_SYNC; | |
e8457004 JA |
1276 | if (td->verify) |
1277 | flags |= O_RDWR; | |
1278 | else | |
1279 | flags |= O_WRONLY; | |
02983297 | 1280 | |
e8457004 | 1281 | td->fd = open(td->file_name, flags | O_CREAT, 0600); |
02983297 JA |
1282 | } |
1283 | ||
1284 | if (td->fd == -1) { | |
1285 | td->error = errno; | |
1286 | return 1; | |
1287 | } | |
1288 | ||
c94deb1c | 1289 | if (get_file_size(td)) |
49d2caab | 1290 | return 1; |
49d2caab | 1291 | |
62bb4285 | 1292 | if (td_write(td) && ftruncate(td->fd, td->file_size) == -1) { |
c94deb1c | 1293 | td->error = errno; |
02983297 JA |
1294 | return 1; |
1295 | } | |
1296 | ||
b95799ca | 1297 | if (td->invalidate_cache) { |
c94deb1c | 1298 | if (fadvise(td->fd, td->file_offset, td->file_size, POSIX_FADV_DONTNEED) < 0) { |
b95799ca JA |
1299 | td->error = errno; |
1300 | return 1; | |
1301 | } | |
1302 | } | |
1303 | ||
02983297 JA |
1304 | return 0; |
1305 | } | |
1306 | ||
d32d9284 JA |
1307 | static void clear_io_state(struct thread_data *td) |
1308 | { | |
9d0c6ca2 JA |
1309 | if (!td->use_aio) |
1310 | lseek(td->fd, SEEK_SET, 0); | |
1311 | ||
d32d9284 | 1312 | td->cur_off = 0; |
49d2caab JA |
1313 | td->last_bytes = 0; |
1314 | td->stat_io_bytes = 0; | |
1315 | td->this_io_bytes = 0; | |
1316 | ||
1317 | if (td->file_map) | |
1318 | memset(td->file_map, 0, td->num_maps * sizeof(long)); | |
d32d9284 JA |
1319 | } |
1320 | ||
f6dcd824 JA |
1321 | static void update_rusage_stat(struct thread_data *td) |
1322 | { | |
1323 | if (!td->runtime) | |
1324 | return; | |
1325 | ||
1326 | getrusage(RUSAGE_SELF, &td->ru_end); | |
1327 | ||
1328 | td->usr_time += mtime_since(&td->ru_start.ru_utime, &td->ru_end.ru_utime); | |
1329 | td->sys_time += mtime_since(&td->ru_start.ru_stime, &td->ru_end.ru_stime); | |
1330 | td->ctx += td->ru_end.ru_nvcsw + td->ru_end.ru_nivcsw - (td->ru_start.ru_nvcsw + td->ru_start.ru_nivcsw); | |
1331 | ||
1332 | ||
1333 | memcpy(&td->ru_start, &td->ru_end, sizeof(td->ru_end)); | |
1334 | } | |
1335 | ||
189873de | 1336 | static void *thread_main(void *data) |
892199bd | 1337 | { |
189873de | 1338 | struct thread_data *td = data; |
02983297 | 1339 | int ret = 1; |
892199bd | 1340 | |
7292613b | 1341 | setsid(); |
892199bd JA |
1342 | td->pid = getpid(); |
1343 | ||
99c6704f JA |
1344 | if (init_io_u(td)) |
1345 | goto err; | |
2c83567e | 1346 | |
18e0b78c JA |
1347 | if (sched_setaffinity(td->pid, sizeof(td->cpumask), &td->cpumask) == -1) { |
1348 | td->error = errno; | |
1349 | goto err; | |
1350 | } | |
1351 | ||
43000118 JA |
1352 | if (td->use_aio && init_aio(td)) |
1353 | goto err; | |
1354 | ||
f737299d | 1355 | if (td->ioprio) { |
892199bd JA |
1356 | if (ioprio_set(IOPRIO_WHO_PROCESS, 0, td->ioprio) == -1) { |
1357 | td->error = errno; | |
599002b3 | 1358 | goto err; |
892199bd JA |
1359 | } |
1360 | } | |
1361 | ||
1362 | sem_post(&startup_sem); | |
1363 | sem_wait(&td->mutex); | |
43000118 | 1364 | |
fc097bfe JA |
1365 | if (!td->create_serialize && setup_file(td)) |
1366 | goto err; | |
1367 | ||
49d2caab JA |
1368 | if (init_random_state(td)) |
1369 | goto err; | |
1370 | ||
293753bb | 1371 | while (td->loops--) { |
f6dcd824 JA |
1372 | getrusage(RUSAGE_SELF, &td->ru_start); |
1373 | gettimeofday(&td->start, NULL); | |
1374 | memcpy(&td->stat_sample_time, &td->start, sizeof(td->start)); | |
293753bb JA |
1375 | |
1376 | if (td->ratemin) | |
1377 | memcpy(&td->lastrate, &td->stat_sample_time, sizeof(td->lastrate)); | |
7292613b | 1378 | |
d32d9284 | 1379 | clear_io_state(td); |
9d0c6ca2 | 1380 | prune_io_piece_log(td); |
fd1ae4c9 | 1381 | |
b2de0ed2 | 1382 | if (!td->use_aio) |
b6794fbf | 1383 | do_sync_io(td); |
b2de0ed2 JA |
1384 | else |
1385 | do_async_io(td); | |
1386 | ||
91fc5dc9 JA |
1387 | if (td->error) |
1388 | break; | |
1389 | ||
f6dcd824 JA |
1390 | td->runtime += mtime_since_now(&td->start); |
1391 | update_rusage_stat(td); | |
1392 | ||
b2de0ed2 JA |
1393 | if (!td->verify) |
1394 | continue; | |
cfc702bd | 1395 | |
b2de0ed2 | 1396 | clear_io_state(td); |
d32d9284 | 1397 | |
91fc5dc9 JA |
1398 | if (!td->use_aio) |
1399 | do_sync_verify(td); | |
1400 | else | |
1401 | do_async_verify(td); | |
1402 | ||
1403 | if (td->error) | |
1404 | break; | |
b6794fbf | 1405 | } |
7292613b | 1406 | |
892199bd | 1407 | ret = 0; |
a0a9b35b JA |
1408 | |
1409 | if (td->bw_log) | |
1410 | finish_log(td, td->bw_log, "bw"); | |
1411 | if (td->lat_log) | |
1412 | finish_log(td, td->lat_log, "lat"); | |
4ac89145 | 1413 | |
98dd52d6 | 1414 | if (exitall_on_terminate) |
27c32a38 | 1415 | terminate_threads(td->groupid); |
98dd52d6 | 1416 | |
892199bd | 1417 | err: |
7292613b JA |
1418 | if (td->fd != -1) { |
1419 | close(td->fd); | |
1420 | td->fd = -1; | |
1421 | } | |
4ac89145 JA |
1422 | if (td->use_aio) |
1423 | cleanup_aio(td); | |
2c83567e | 1424 | cleanup_io_u(td); |
599002b3 | 1425 | if (ret) { |
892199bd | 1426 | sem_post(&startup_sem); |
599002b3 JA |
1427 | sem_wait(&td->mutex); |
1428 | } | |
40ef7f64 | 1429 | td_set_runstate(td, TD_EXITED); |
189873de JA |
1430 | return NULL; |
1431 | ||
1432 | } | |
1433 | ||
1434 | static void *fork_main(int shm_id, int offset) | |
1435 | { | |
1436 | struct thread_data *td; | |
1437 | void *data; | |
1438 | ||
1439 | data = shmat(shm_id, NULL, 0); | |
1440 | if (data == (void *) -1) { | |
1441 | perror("shmat"); | |
1442 | return NULL; | |
1443 | } | |
1444 | ||
1445 | td = data + offset * sizeof(struct thread_data); | |
1446 | thread_main(td); | |
4240cfa1 | 1447 | shmdt(data); |
892199bd JA |
1448 | return NULL; |
1449 | } | |
1450 | ||
57d753e3 JA |
1451 | static int calc_lat(struct io_stat *is, unsigned long *min, unsigned long *max, |
1452 | double *mean, double *dev) | |
1453 | { | |
1454 | double n; | |
1455 | ||
1456 | if (is->samples == 0) | |
1457 | return 0; | |
1458 | ||
1459 | *min = is->min_val; | |
1460 | *max = is->max_val; | |
1461 | ||
1462 | n = (double) is->samples; | |
1463 | *mean = (double) is->val / n; | |
1464 | *dev = sqrt(((double) is->val_sq - (*mean * *mean) / n) / (n - 1)); | |
1465 | return 1; | |
1466 | } | |
1467 | ||
557e4102 JA |
1468 | static void show_thread_status(struct thread_data *td, |
1469 | struct group_run_stats *rs) | |
892199bd JA |
1470 | { |
1471 | int prio, prio_class; | |
f6dcd824 | 1472 | unsigned long min, max, bw = 0; |
92b229ed | 1473 | double mean, dev, usr_cpu, sys_cpu; |
892199bd | 1474 | |
49d2caab | 1475 | if (!td->io_bytes && !td->error) |
213b446c JA |
1476 | return; |
1477 | ||
892199bd | 1478 | if (td->runtime) |
49d2caab | 1479 | bw = td->io_bytes / td->runtime; |
892199bd JA |
1480 | |
1481 | prio = td->ioprio & 0xff; | |
1482 | prio_class = td->ioprio >> IOPRIO_CLASS_SHIFT; | |
1483 | ||
f6dcd824 | 1484 | 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 | 1485 | |
57d753e3 JA |
1486 | if (calc_lat(&td->slat_stat, &min, &max, &mean, &dev)) |
1487 | printf(" slat (msec): min=%5lu, max=%5lu, avg=%5.02f, dev=%5.02f\n", min, max, mean, dev); | |
1488 | if (calc_lat(&td->clat_stat, &min, &max, &mean, &dev)) | |
1489 | printf(" clat (msec): min=%5lu, max=%5lu, avg=%5.02f, dev=%5.02f\n", min, max, mean, dev); | |
557e4102 JA |
1490 | if (calc_lat(&td->bw_stat, &min, &max, &mean, &dev)) { |
1491 | double p_of_agg; | |
1492 | ||
1493 | p_of_agg = mean * 100 / (double) rs->agg[td->ddir]; | |
1494 | printf(" bw (KiB/s) : min=%5lu, max=%5lu, per=%3.2f%%, avg=%5.02f, dev=%5.02f\n", min, max, p_of_agg, mean, dev); | |
1495 | } | |
92b229ed JA |
1496 | |
1497 | if (td->runtime) { | |
f6dcd824 JA |
1498 | usr_cpu = (double) td->usr_time * 100 / (double) td->runtime; |
1499 | sys_cpu = (double) td->sys_time * 100 / (double) td->runtime; | |
92b229ed JA |
1500 | } else { |
1501 | usr_cpu = 0; | |
1502 | sys_cpu = 0; | |
1503 | } | |
1504 | ||
f6dcd824 | 1505 | printf(" cpu : usr=%3.2f%%, sys=%3.2f%%, ctx=%lu\n", usr_cpu, sys_cpu, td->ctx); |
892199bd JA |
1506 | } |
1507 | ||
3f39453a | 1508 | static void print_thread_status(struct thread_data *td, int nr_running, |
8dbff0b1 | 1509 | int t_rate, int m_rate) |
3f39453a | 1510 | { |
3f39453a JA |
1511 | printf("Threads now running: %d", nr_running); |
1512 | if (m_rate || t_rate) | |
1513 | printf(", commitrate %d/%dKiB/sec", t_rate, m_rate); | |
8dbff0b1 JA |
1514 | printf(" : [%s]\r", run_str); |
1515 | fflush(stdout); | |
3f39453a JA |
1516 | } |
1517 | ||
40ef7f64 JA |
1518 | static void check_str_update(struct thread_data *td, int n, int t, int m) |
1519 | { | |
1520 | char c = run_str[td->thread_number - 1]; | |
1521 | ||
1522 | if (td->runstate == td->old_runstate) | |
1523 | return; | |
1524 | ||
1525 | switch (td->runstate) { | |
1526 | case TD_REAPED: | |
1527 | c = '_'; | |
1528 | break; | |
f4bb2243 JA |
1529 | case TD_EXITED: |
1530 | c = 'E'; | |
1531 | break; | |
40ef7f64 | 1532 | case TD_RUNNING: |
af678352 JA |
1533 | if (td_read(td)) { |
1534 | if (td->sequential) | |
1535 | c = 'R'; | |
1536 | else | |
1537 | c = 'r'; | |
1538 | } else { | |
1539 | if (td->sequential) | |
1540 | c = 'W'; | |
1541 | else | |
1542 | c = 'w'; | |
1543 | } | |
40ef7f64 JA |
1544 | break; |
1545 | case TD_VERIFYING: | |
1546 | c = 'V'; | |
1547 | break; | |
1548 | case TD_CREATED: | |
1549 | c = 'C'; | |
1550 | break; | |
1551 | case TD_NOT_CREATED: | |
1552 | c = 'P'; | |
1553 | break; | |
1554 | default: | |
1555 | printf("state %d\n", td->runstate); | |
1556 | } | |
1557 | ||
1558 | run_str[td->thread_number - 1] = c; | |
1559 | print_thread_status(td, n, t, m); | |
1560 | td->old_runstate = td->runstate; | |
1561 | } | |
1562 | ||
213b446c | 1563 | static void reap_threads(int *nr_running, int *t_rate, int *m_rate) |
02bdd9ba | 1564 | { |
213b446c | 1565 | int i; |
02bdd9ba | 1566 | |
3f39453a JA |
1567 | /* |
1568 | * reap exited threads (TD_EXITED -> TD_REAPED) | |
1569 | */ | |
02bdd9ba JA |
1570 | for (i = 0; i < thread_number; i++) { |
1571 | struct thread_data *td = &threads[i]; | |
1572 | ||
40ef7f64 JA |
1573 | check_str_update(td, *nr_running, *t_rate, *m_rate); |
1574 | ||
213b446c JA |
1575 | if (td->runstate != TD_EXITED) |
1576 | continue; | |
02bdd9ba | 1577 | |
40ef7f64 | 1578 | td_set_runstate(td, TD_REAPED); |
189873de JA |
1579 | |
1580 | if (td->use_thread) { | |
1581 | long ret; | |
1582 | ||
1583 | if (pthread_join(td->thread, (void *) &ret)) | |
1584 | perror("thread_join"); | |
1585 | } else | |
1586 | waitpid(td->pid, NULL, 0); | |
1587 | ||
213b446c JA |
1588 | (*nr_running)--; |
1589 | (*m_rate) -= td->ratemin; | |
1590 | (*t_rate) -= td->rate; | |
40ef7f64 | 1591 | check_str_update(td, *nr_running, *t_rate, *m_rate); |
213b446c | 1592 | } |
02bdd9ba JA |
1593 | } |
1594 | ||
fc24389f JA |
1595 | static void run_threads(char *argv[]) |
1596 | { | |
be33abe4 | 1597 | struct timeval genesis; |
fc24389f JA |
1598 | struct thread_data *td; |
1599 | unsigned long spent; | |
2a81240d | 1600 | int i, todo, nr_running, m_rate, t_rate, nr_started; |
fc24389f | 1601 | |
fc24389f JA |
1602 | printf("Starting %d threads\n", thread_number); |
1603 | fflush(stdout); | |
1604 | ||
7292613b JA |
1605 | signal(SIGINT, sig_handler); |
1606 | ||
fc24389f | 1607 | todo = thread_number; |
02bdd9ba | 1608 | nr_running = 0; |
2a81240d | 1609 | nr_started = 0; |
213b446c | 1610 | m_rate = t_rate = 0; |
fc24389f | 1611 | |
8bdcfab5 JA |
1612 | for (i = 0; i < thread_number; i++) { |
1613 | td = &threads[i]; | |
1614 | ||
fc097bfe JA |
1615 | if (!td->create_serialize) |
1616 | continue; | |
1617 | ||
8bdcfab5 JA |
1618 | /* |
1619 | * do file setup here so it happens sequentially, | |
1620 | * we don't want X number of threads getting their | |
1621 | * client data interspersed on disk | |
1622 | */ | |
1623 | if (setup_file(td)) { | |
40ef7f64 | 1624 | td_set_runstate(td, TD_REAPED); |
8bdcfab5 JA |
1625 | todo--; |
1626 | } | |
1627 | } | |
1628 | ||
1629 | gettimeofday(&genesis, NULL); | |
1630 | ||
213b446c | 1631 | while (todo) { |
3f39453a JA |
1632 | /* |
1633 | * create threads (TD_NOT_CREATED -> TD_CREATED) | |
1634 | */ | |
fc24389f JA |
1635 | for (i = 0; i < thread_number; i++) { |
1636 | td = &threads[i]; | |
1637 | ||
02bdd9ba | 1638 | if (td->runstate != TD_NOT_CREATED) |
fc24389f JA |
1639 | continue; |
1640 | ||
213b446c JA |
1641 | /* |
1642 | * never got a chance to start, killed by other | |
1643 | * thread for some reason | |
1644 | */ | |
1645 | if (td->terminate) { | |
1646 | todo--; | |
1647 | continue; | |
1648 | } | |
1649 | ||
fc24389f | 1650 | if (td->start_delay) { |
be33abe4 | 1651 | spent = mtime_since_now(&genesis); |
fc24389f JA |
1652 | |
1653 | if (td->start_delay * 1000 > spent) | |
1654 | continue; | |
1655 | } | |
1656 | ||
2a81240d | 1657 | if (td->stonewall && (nr_started || nr_running)) |
ea6f96a2 | 1658 | break; |
2a81240d | 1659 | |
40ef7f64 JA |
1660 | td_set_runstate(td, TD_CREATED); |
1661 | check_str_update(td, nr_running, t_rate, m_rate); | |
fc24389f JA |
1662 | sem_init(&startup_sem, 1, 1); |
1663 | todo--; | |
2a81240d | 1664 | nr_started++; |
fc24389f | 1665 | |
189873de JA |
1666 | if (td->use_thread) { |
1667 | if (pthread_create(&td->thread, NULL, thread_main, td)) { | |
1668 | perror("thread_create"); | |
1669 | nr_started--; | |
1670 | } | |
1671 | } else { | |
1672 | if (fork()) | |
1673 | sem_wait(&startup_sem); | |
1674 | else { | |
1675 | fork_main(shm_id, i); | |
1676 | exit(0); | |
1677 | } | |
fc24389f JA |
1678 | } |
1679 | } | |
1680 | ||
3f39453a | 1681 | /* |
e8457004 | 1682 | * start created threads (TD_CREATED -> TD_RUNNING) |
3f39453a | 1683 | */ |
fc24389f JA |
1684 | for (i = 0; i < thread_number; i++) { |
1685 | struct thread_data *td = &threads[i]; | |
1686 | ||
3f39453a JA |
1687 | if (td->runstate != TD_CREATED) |
1688 | continue; | |
1689 | ||
40ef7f64 | 1690 | td_set_runstate(td, TD_RUNNING); |
3f39453a | 1691 | nr_running++; |
2a81240d | 1692 | nr_started--; |
3f39453a JA |
1693 | m_rate += td->ratemin; |
1694 | t_rate += td->rate; | |
40ef7f64 | 1695 | check_str_update(td, nr_running, t_rate, m_rate); |
3f39453a | 1696 | sem_post(&td->mutex); |
fc24389f JA |
1697 | } |
1698 | ||
e8457004 JA |
1699 | for (i = 0; i < thread_number; i++) { |
1700 | struct thread_data *td = &threads[i]; | |
1701 | ||
b48889bb JA |
1702 | if (td->runstate != TD_RUNNING && |
1703 | td->runstate != TD_VERIFYING) | |
e8457004 JA |
1704 | continue; |
1705 | ||
40ef7f64 | 1706 | check_str_update(td, nr_running, t_rate, m_rate); |
e8457004 JA |
1707 | } |
1708 | ||
213b446c | 1709 | reap_threads(&nr_running, &t_rate, &m_rate); |
02bdd9ba | 1710 | |
fc24389f JA |
1711 | if (todo) |
1712 | usleep(100000); | |
1713 | } | |
02bdd9ba JA |
1714 | |
1715 | while (nr_running) { | |
213b446c | 1716 | reap_threads(&nr_running, &t_rate, &m_rate); |
02bdd9ba JA |
1717 | usleep(10000); |
1718 | } | |
fc24389f JA |
1719 | } |
1720 | ||
0d80f40d | 1721 | static void show_group_stats(struct group_run_stats *rs, int id) |
8867c0a8 | 1722 | { |
0d80f40d JA |
1723 | printf("\nRun status group %d:\n", id); |
1724 | ||
1725 | if (rs->max_run[DDIR_READ]) | |
1726 | 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]); | |
1727 | if (rs->max_run[DDIR_WRITE]) | |
1728 | 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]); | |
1729 | } | |
1730 | ||
1731 | static void show_run_stats(void) | |
1732 | { | |
1733 | struct group_run_stats *runstats, *rs; | |
557e4102 | 1734 | struct thread_data *td; |
8867c0a8 JA |
1735 | int i; |
1736 | ||
0d80f40d JA |
1737 | runstats = malloc(sizeof(struct group_run_stats) * (groupid + 1)); |
1738 | ||
1739 | for (i = 0; i < groupid + 1; i++) { | |
1740 | rs = &runstats[i]; | |
1741 | ||
f6dcd824 | 1742 | memset(rs, 0, sizeof(*rs)); |
0d80f40d JA |
1743 | rs->min_bw[0] = rs->min_run[0] = ~0UL; |
1744 | rs->min_bw[1] = rs->min_run[1] = ~0UL; | |
0d80f40d JA |
1745 | } |
1746 | ||
1747 | for (i = 0; i < thread_number; i++) { | |
0d80f40d JA |
1748 | unsigned long bw = 0; |
1749 | ||
557e4102 JA |
1750 | td = &threads[i]; |
1751 | ||
1752 | if (td->error) | |
1753 | continue; | |
1754 | ||
0d80f40d JA |
1755 | rs = &runstats[td->groupid]; |
1756 | ||
557e4102 JA |
1757 | if (td->runtime < rs->min_run[td->ddir]) |
1758 | rs->min_run[td->ddir] = td->runtime; | |
1759 | if (td->runtime > rs->max_run[td->ddir]) | |
1760 | rs->max_run[td->ddir] = td->runtime; | |
0d80f40d | 1761 | |
557e4102 JA |
1762 | if (td->runtime) |
1763 | bw = td->io_bytes / td->runtime; | |
1764 | if (bw < rs->min_bw[td->ddir]) | |
1765 | rs->min_bw[td->ddir] = bw; | |
1766 | if (bw > rs->max_bw[td->ddir]) | |
1767 | rs->max_bw[td->ddir] = bw; | |
0d80f40d | 1768 | |
557e4102 | 1769 | rs->io_mb[td->ddir] += td->io_bytes >> 20; |
0d80f40d | 1770 | } |
9d489c62 | 1771 | |
0d80f40d JA |
1772 | for (i = 0; i < groupid + 1; i++) { |
1773 | rs = &runstats[i]; | |
1774 | ||
1775 | if (rs->max_run[0]) | |
1776 | rs->agg[0] = (rs->io_mb[0]*1024*1000) / rs->max_run[0]; | |
1777 | if (rs->max_run[1]) | |
1778 | rs->agg[1] = (rs->io_mb[1]*1024*1000) / rs->max_run[1]; | |
0d80f40d | 1779 | } |
557e4102 JA |
1780 | |
1781 | for (i = 0; i < thread_number; i++) { | |
1782 | td = &threads[i]; | |
1783 | rs = &runstats[td->groupid]; | |
1784 | ||
c4c8f7b3 | 1785 | show_thread_status(td, rs); |
557e4102 | 1786 | } |
9d489c62 JA |
1787 | |
1788 | for (i = 0; i < groupid + 1; i++) | |
1789 | show_group_stats(&runstats[i], i); | |
0d80f40d JA |
1790 | } |
1791 | ||
1792 | int main(int argc, char *argv[]) | |
1793 | { | |
27c32a38 | 1794 | memset(run_str, 0, sizeof(run_str)); |
5961d92c | 1795 | |
27c32a38 | 1796 | if (parse_options(argc, argv)) |
5961d92c | 1797 | return 1; |
7dd1389e | 1798 | |
4240cfa1 JA |
1799 | if (!thread_number) { |
1800 | printf("Nothing to do\n"); | |
1801 | return 1; | |
1802 | } | |
7dd1389e | 1803 | |
fc24389f | 1804 | run_threads(argv); |
0d80f40d | 1805 | show_run_stats(); |
fc24389f | 1806 | |
892199bd JA |
1807 | return 0; |
1808 | } |