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> |
debf703a JA |
31 | #include <dirent.h> |
32 | #include <libgen.h> | |
892199bd JA |
33 | #include <sys/types.h> |
34 | #include <sys/stat.h> | |
35 | #include <sys/wait.h> | |
892199bd JA |
36 | #include <sys/ipc.h> |
37 | #include <sys/shm.h> | |
c94deb1c | 38 | #include <sys/ioctl.h> |
6e2c38cc | 39 | #include <sys/mman.h> |
892199bd | 40 | |
27c32a38 | 41 | #include "fio.h" |
fa78facd | 42 | #include "os.h" |
892199bd | 43 | |
892199bd JA |
44 | #define MASK (4095) |
45 | ||
4240cfa1 | 46 | #define ALIGN(buf) (char *) (((unsigned long) (buf) + MASK) & ~(MASK)) |
892199bd | 47 | |
27c32a38 JA |
48 | int groupid = 0; |
49 | int thread_number = 0; | |
50 | char run_str[MAX_JOBS + 1]; | |
51 | int shm_id = 0; | |
6f75d67c | 52 | static LIST_HEAD(disk_list); |
892199bd | 53 | |
8882f4e9 JA |
54 | static void update_io_ticks(void); |
55 | static void disk_util_timer_arm(void); | |
56 | ||
02bdd9ba JA |
57 | /* |
58 | * thread life cycle | |
59 | */ | |
60 | enum { | |
61 | TD_NOT_CREATED = 0, | |
62 | TD_CREATED, | |
e8457004 JA |
63 | TD_RUNNING, |
64 | TD_VERIFYING, | |
02bdd9ba JA |
65 | TD_EXITED, |
66 | TD_REAPED, | |
67 | }; | |
68 | ||
62bb4285 | 69 | #define should_fsync(td) (td_write(td) && !(td)->odirect) |
02983297 | 70 | |
892199bd JA |
71 | static sem_t startup_sem; |
72 | ||
27c32a38 JA |
73 | #define TERMINATE_ALL (-1) |
74 | ||
40e7bf80 | 75 | static void terminate_threads(int group_id) |
892199bd JA |
76 | { |
77 | int i; | |
78 | ||
213b446c JA |
79 | for (i = 0; i < thread_number; i++) { |
80 | struct thread_data *td = &threads[i]; | |
81 | ||
40e7bf80 | 82 | if (group_id == TERMINATE_ALL || groupid == td->groupid) { |
27c32a38 JA |
83 | td->terminate = 1; |
84 | td->start_delay = 0; | |
85 | } | |
213b446c | 86 | } |
02bdd9ba JA |
87 | } |
88 | ||
27c32a38 | 89 | static void sig_handler(int sig) |
946d8870 | 90 | { |
8882f4e9 JA |
91 | switch (sig) { |
92 | case SIGALRM: | |
93 | update_io_ticks(); | |
94 | disk_util_timer_arm(); | |
95 | break; | |
96 | default: | |
eaa7586c JA |
97 | printf("\nfio: terminating on signal\n"); |
98 | fflush(stdout); | |
8882f4e9 JA |
99 | terminate_threads(TERMINATE_ALL); |
100 | break; | |
101 | } | |
892199bd JA |
102 | } |
103 | ||
5c24b2c4 | 104 | static unsigned long utime_since(struct timeval *s, struct timeval *e) |
892199bd JA |
105 | { |
106 | double sec, usec; | |
107 | ||
108 | sec = e->tv_sec - s->tv_sec; | |
109 | usec = e->tv_usec - s->tv_usec; | |
110 | if (sec > 0 && usec < 0) { | |
111 | sec--; | |
112 | usec += 1000000; | |
113 | } | |
114 | ||
115 | sec *= (double) 1000000; | |
116 | ||
117 | return sec + usec; | |
118 | } | |
119 | ||
fd11d7af JA |
120 | static unsigned long utime_since_now(struct timeval *s) |
121 | { | |
122 | struct timeval t; | |
123 | ||
124 | gettimeofday(&t, NULL); | |
125 | return utime_since(s, &t); | |
126 | } | |
127 | ||
5c24b2c4 | 128 | static unsigned long mtime_since(struct timeval *s, struct timeval *e) |
892199bd JA |
129 | { |
130 | double sec, usec; | |
131 | ||
132 | sec = e->tv_sec - s->tv_sec; | |
133 | usec = e->tv_usec - s->tv_usec; | |
134 | if (sec > 0 && usec < 0) { | |
135 | sec--; | |
136 | usec += 1000000; | |
137 | } | |
138 | ||
139 | sec *= (double) 1000; | |
140 | usec /= (double) 1000; | |
141 | ||
142 | return sec + usec; | |
143 | } | |
144 | ||
be33abe4 JA |
145 | static unsigned long mtime_since_now(struct timeval *s) |
146 | { | |
147 | struct timeval t; | |
148 | ||
149 | gettimeofday(&t, NULL); | |
150 | return mtime_since(s, &t); | |
151 | } | |
152 | ||
98168d55 JA |
153 | static inline unsigned long msec_now(struct timeval *s) |
154 | { | |
155 | return s->tv_sec * 1000 + s->tv_usec / 1000; | |
156 | } | |
157 | ||
49d2caab JA |
158 | static int random_map_free(struct thread_data *td, unsigned long long block) |
159 | { | |
75b2ab2c JA |
160 | unsigned int idx = RAND_MAP_IDX(td, block); |
161 | unsigned int bit = RAND_MAP_BIT(td, block); | |
49d2caab JA |
162 | |
163 | return (td->file_map[idx] & (1UL << bit)) == 0; | |
164 | } | |
165 | ||
166 | static int get_next_free_block(struct thread_data *td, unsigned long long *b) | |
892199bd | 167 | { |
49d2caab JA |
168 | int i; |
169 | ||
170 | *b = 0; | |
171 | i = 0; | |
172 | while ((*b) * td->min_bs < td->io_size) { | |
173 | if (td->file_map[i] != -1UL) { | |
174 | *b += ffz(td->file_map[i]); | |
175 | return 0; | |
176 | } | |
177 | ||
178 | *b += BLOCKS_PER_MAP; | |
179 | i++; | |
180 | } | |
181 | ||
182 | return 1; | |
183 | } | |
184 | ||
185 | static void mark_random_map(struct thread_data *td, struct io_u *io_u) | |
186 | { | |
187 | unsigned long block = io_u->offset / td->min_bs; | |
188 | unsigned int blocks = 0; | |
189 | ||
190 | while (blocks < (io_u->buflen / td->min_bs)) { | |
e79c9259 | 191 | unsigned int idx, bit; |
49d2caab JA |
192 | |
193 | if (!random_map_free(td, block)) | |
194 | break; | |
195 | ||
75b2ab2c JA |
196 | idx = RAND_MAP_IDX(td, block); |
197 | bit = RAND_MAP_BIT(td, block); | |
49d2caab JA |
198 | |
199 | assert(idx < td->num_maps); | |
200 | ||
201 | td->file_map[idx] |= (1UL << bit); | |
202 | block++; | |
203 | blocks++; | |
204 | } | |
205 | ||
206 | if ((blocks * td->min_bs) < io_u->buflen) | |
207 | io_u->buflen = blocks * td->min_bs; | |
208 | } | |
209 | ||
210 | static int get_next_offset(struct thread_data *td, unsigned long long *offset) | |
211 | { | |
75b2ab2c | 212 | unsigned long long b, rb; |
d32d9284 | 213 | long r; |
892199bd JA |
214 | |
215 | if (!td->sequential) { | |
49d2caab JA |
216 | unsigned long max_blocks = td->io_size / td->min_bs; |
217 | int loops = 50; | |
218 | ||
219 | do { | |
220 | lrand48_r(&td->random_state, &r); | |
221 | b = ((max_blocks - 1) * r / (RAND_MAX+1.0)); | |
75b2ab2c | 222 | rb = b + (td->file_offset / td->min_bs); |
49d2caab | 223 | loops--; |
75b2ab2c | 224 | } while (!random_map_free(td, rb) && loops); |
49d2caab JA |
225 | |
226 | if (!loops) { | |
227 | if (get_next_free_block(td, &b)) | |
228 | return 1; | |
229 | } | |
7889f07b | 230 | } else |
49d2caab | 231 | b = td->last_bytes / td->min_bs; |
7889f07b | 232 | |
49d2caab | 233 | *offset = (b * td->min_bs) + td->file_offset; |
75b2ab2c JA |
234 | if (*offset > td->file_size) |
235 | return 1; | |
236 | ||
49d2caab | 237 | return 0; |
7889f07b JA |
238 | } |
239 | ||
240 | static unsigned int get_next_buflen(struct thread_data *td) | |
241 | { | |
242 | unsigned int buflen; | |
d32d9284 | 243 | long r; |
7889f07b JA |
244 | |
245 | if (td->min_bs == td->max_bs) | |
246 | buflen = td->min_bs; | |
247 | else { | |
d32d9284 | 248 | lrand48_r(&td->bsrange_state, &r); |
7889f07b JA |
249 | buflen = (1 + (double) (td->max_bs - 1) * r / (RAND_MAX + 1.0)); |
250 | buflen = (buflen + td->min_bs - 1) & ~(td->min_bs - 1); | |
892199bd JA |
251 | } |
252 | ||
49d2caab JA |
253 | if (buflen > td->io_size - td->this_io_bytes) |
254 | buflen = td->io_size - td->this_io_bytes; | |
7889f07b | 255 | |
7889f07b | 256 | return buflen; |
892199bd JA |
257 | } |
258 | ||
e79c9259 | 259 | static inline void add_stat_sample(struct io_stat *is, 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 | |
40e7bf80 | 271 | static void add_log_sample(struct thread_data *td, struct io_log *iolog, |
a0a9b35b JA |
272 | unsigned long val) |
273 | { | |
40e7bf80 JA |
274 | if (iolog->nr_samples == iolog->max_samples) { |
275 | int new_size = sizeof(struct io_sample) * iolog->max_samples*2; | |
a0a9b35b | 276 | |
40e7bf80 JA |
277 | iolog->log = realloc(iolog->log, new_size); |
278 | iolog->max_samples <<= 1; | |
a0a9b35b JA |
279 | } |
280 | ||
40e7bf80 JA |
281 | iolog->log[iolog->nr_samples].val = val; |
282 | iolog->log[iolog->nr_samples].time = mtime_since_now(&td->start); | |
283 | iolog->nr_samples++; | |
a0a9b35b JA |
284 | } |
285 | ||
57d753e3 JA |
286 | static void add_clat_sample(struct thread_data *td, unsigned long msec) |
287 | { | |
e79c9259 | 288 | add_stat_sample(&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 | { | |
e79c9259 | 296 | add_stat_sample(&td->slat_stat, msec); |
57d753e3 | 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; |
e79c9259 | 308 | add_stat_sample(&td->bw_stat, rate); |
57d753e3 | 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 | */ | |
e79c9259 | 320 | static void __usec_sleep(unsigned int usec) |
fd11d7af JA |
321 | { |
322 | struct timeval start; | |
323 | ||
324 | gettimeofday(&start, NULL); | |
325 | while (utime_since_now(&start) < usec) | |
3782a8cd | 326 | nop; |
fd11d7af JA |
327 | } |
328 | ||
d15c5195 | 329 | static void usec_sleep(struct thread_data *td, unsigned long usec) |
892199bd | 330 | { |
d15c5195 JA |
331 | struct timespec req, rem; |
332 | ||
333 | req.tv_sec = usec / 1000000; | |
334 | req.tv_nsec = usec * 1000 - req.tv_sec * 1000000; | |
892199bd JA |
335 | |
336 | do { | |
fd11d7af JA |
337 | if (usec < 5000) { |
338 | __usec_sleep(usec); | |
339 | break; | |
340 | } | |
d15c5195 | 341 | |
86184d14 | 342 | rem.tv_sec = rem.tv_nsec = 0; |
d15c5195 JA |
343 | if (nanosleep(&req, &rem) < 0) |
344 | break; | |
345 | ||
346 | if ((rem.tv_sec + rem.tv_nsec) == 0) | |
892199bd | 347 | break; |
86184d14 JA |
348 | |
349 | req.tv_nsec = rem.tv_nsec; | |
d15c5195 JA |
350 | req.tv_sec = rem.tv_sec; |
351 | ||
352 | usec = rem.tv_sec * 1000000 + rem.tv_nsec / 1000; | |
353 | } while (!td->terminate); | |
892199bd JA |
354 | } |
355 | ||
9e850933 JA |
356 | static void rate_throttle(struct thread_data *td, unsigned long time_spent, |
357 | unsigned int bytes) | |
86184d14 | 358 | { |
9e850933 JA |
359 | unsigned long usec_cycle; |
360 | ||
4240cfa1 JA |
361 | if (!td->rate) |
362 | return; | |
363 | ||
9e850933 JA |
364 | usec_cycle = td->rate_usec_cycle * (bytes / td->min_bs); |
365 | ||
366 | if (time_spent < usec_cycle) { | |
367 | unsigned long s = usec_cycle - time_spent; | |
86184d14 JA |
368 | |
369 | td->rate_pending_usleep += s; | |
fad86e6a | 370 | if (td->rate_pending_usleep >= 100000) { |
d15c5195 | 371 | usec_sleep(td, td->rate_pending_usleep); |
86184d14 JA |
372 | td->rate_pending_usleep = 0; |
373 | } | |
4240cfa1 | 374 | } else { |
9e850933 | 375 | long overtime = time_spent - usec_cycle; |
42b2b9fe | 376 | |
4240cfa1 JA |
377 | td->rate_pending_usleep -= overtime; |
378 | } | |
379 | } | |
380 | ||
5c24b2c4 | 381 | static int check_min_rate(struct thread_data *td, struct timeval *now) |
4240cfa1 | 382 | { |
7607bc6b | 383 | unsigned long spent; |
4240cfa1 JA |
384 | unsigned long rate; |
385 | ||
386 | /* | |
387 | * allow a 2 second settle period in the beginning | |
388 | */ | |
7607bc6b | 389 | if (mtime_since(&td->start, now) < 2000) |
4240cfa1 JA |
390 | return 0; |
391 | ||
392 | /* | |
393 | * if rate blocks is set, sample is running | |
394 | */ | |
49d2caab | 395 | if (td->rate_bytes) { |
4240cfa1 JA |
396 | spent = mtime_since(&td->lastrate, now); |
397 | if (spent < td->ratecycle) | |
398 | return 0; | |
399 | ||
49d2caab | 400 | rate = (td->this_io_bytes - td->rate_bytes) / spent; |
4240cfa1 JA |
401 | if (rate < td->ratemin) { |
402 | printf("Client%d: min rate %d not met, got %ldKiB/sec\n", td->thread_number, td->ratemin, rate); | |
02bdd9ba | 403 | if (rate_quit) |
27c32a38 | 404 | terminate_threads(td->groupid); |
4240cfa1 JA |
405 | return 1; |
406 | } | |
86184d14 | 407 | } |
4240cfa1 | 408 | |
49d2caab | 409 | td->rate_bytes = td->this_io_bytes; |
4240cfa1 JA |
410 | memcpy(&td->lastrate, now, sizeof(*now)); |
411 | return 0; | |
86184d14 JA |
412 | } |
413 | ||
67903a2e JA |
414 | static inline int runtime_exceeded(struct thread_data *td, struct timeval *t) |
415 | { | |
01f79976 JA |
416 | if (!td->timeout) |
417 | return 0; | |
91e6eb54 | 418 | if (mtime_since(&td->epoch, t) >= td->timeout * 1000) |
67903a2e JA |
419 | return 1; |
420 | ||
421 | return 0; | |
422 | } | |
423 | ||
e8457004 JA |
424 | static void fill_random_bytes(struct thread_data *td, |
425 | unsigned char *p, unsigned int len) | |
426 | { | |
645785e5 | 427 | unsigned int todo; |
40ef7f64 | 428 | double r; |
e8457004 JA |
429 | |
430 | while (len) { | |
40ef7f64 | 431 | drand48_r(&td->verify_state, &r); |
e8457004 | 432 | |
40ef7f64 JA |
433 | /* |
434 | * lrand48_r seems to be broken and only fill the bottom | |
435 | * 32-bits, even on 64-bit archs with 64-bit longs | |
436 | */ | |
437 | todo = sizeof(r); | |
e8457004 JA |
438 | if (todo > len) |
439 | todo = len; | |
440 | ||
441 | memcpy(p, &r, todo); | |
442 | ||
443 | len -= todo; | |
444 | p += todo; | |
445 | } | |
446 | } | |
447 | ||
9d0c6ca2 JA |
448 | static void hexdump(void *buffer, int len) |
449 | { | |
450 | unsigned char *p = buffer; | |
451 | int i; | |
452 | ||
453 | for (i = 0; i < len; i++) | |
454 | printf("%02x", p[i]); | |
455 | printf("\n"); | |
456 | } | |
457 | ||
7f46ef08 JA |
458 | static int verify_io_u_crc32(struct verify_header *hdr, struct io_u *io_u) |
459 | { | |
460 | unsigned char *p = (unsigned char *) io_u->buf; | |
461 | unsigned long c; | |
462 | ||
463 | p += sizeof(*hdr); | |
464 | c = crc32(p, hdr->len - sizeof(*hdr)); | |
465 | ||
466 | return c != hdr->crc32; | |
467 | } | |
468 | ||
469 | static int verify_io_u_md5(struct verify_header *hdr, struct io_u *io_u) | |
e8457004 | 470 | { |
e8457004 JA |
471 | unsigned char *p = (unsigned char *) io_u->buf; |
472 | struct md5_ctx md5_ctx; | |
9d0c6ca2 | 473 | int ret; |
e8457004 | 474 | |
e8457004 JA |
475 | memset(&md5_ctx, 0, sizeof(md5_ctx)); |
476 | p += sizeof(*hdr); | |
477 | md5_update(&md5_ctx, p, hdr->len - sizeof(*hdr)); | |
478 | ||
9d0c6ca2 JA |
479 | ret = memcmp(hdr->md5_digest, md5_ctx.hash, sizeof(md5_ctx.hash)); |
480 | if (ret) { | |
481 | hexdump(hdr->md5_digest, sizeof(hdr->md5_digest)); | |
482 | hexdump(md5_ctx.hash, sizeof(md5_ctx.hash)); | |
483 | } | |
484 | ||
485 | return ret; | |
e8457004 JA |
486 | } |
487 | ||
7f46ef08 JA |
488 | static int verify_io_u(struct io_u *io_u) |
489 | { | |
490 | struct verify_header *hdr = (struct verify_header *) io_u->buf; | |
491 | int ret; | |
492 | ||
493 | if (hdr->fio_magic != FIO_HDR_MAGIC) | |
494 | return 1; | |
495 | ||
496 | if (hdr->verify_type == VERIFY_MD5) | |
497 | ret = verify_io_u_md5(hdr, io_u); | |
498 | else if (hdr->verify_type == VERIFY_CRC32) | |
499 | ret = verify_io_u_crc32(hdr, io_u); | |
500 | else { | |
501 | fprintf(stderr, "Bad verify type %d\n", hdr->verify_type); | |
502 | ret = 1; | |
503 | } | |
504 | ||
505 | return ret; | |
506 | } | |
507 | ||
508 | static void fill_crc32(struct verify_header *hdr, void *p, unsigned int len) | |
509 | { | |
510 | hdr->crc32 = crc32(p, len); | |
511 | } | |
512 | ||
513 | static void fill_md5(struct verify_header *hdr, void *p, unsigned int len) | |
514 | { | |
515 | struct md5_ctx md5_ctx; | |
516 | ||
517 | memset(&md5_ctx, 0, sizeof(md5_ctx)); | |
518 | md5_update(&md5_ctx, p, len); | |
519 | memcpy(hdr->md5_digest, md5_ctx.hash, sizeof(md5_ctx.hash)); | |
520 | } | |
521 | ||
cfc702bd JA |
522 | /* |
523 | * fill body of io_u->buf with random data and add a header with the | |
524 | * (eg) sha1sum of that data. | |
525 | */ | |
e8457004 | 526 | static void populate_io_u(struct thread_data *td, struct io_u *io_u) |
cfc702bd | 527 | { |
e8457004 | 528 | unsigned char *p = (unsigned char *) io_u->buf; |
7f46ef08 | 529 | struct verify_header hdr; |
e8457004 JA |
530 | |
531 | hdr.fio_magic = FIO_HDR_MAGIC; | |
532 | hdr.len = io_u->buflen; | |
533 | p += sizeof(hdr); | |
534 | fill_random_bytes(td, p, io_u->buflen - sizeof(hdr)); | |
535 | ||
7f46ef08 JA |
536 | if (td->verify == VERIFY_MD5) { |
537 | fill_md5(&hdr, p, io_u->buflen - sizeof(hdr)); | |
538 | hdr.verify_type = VERIFY_MD5; | |
539 | } else { | |
540 | fill_crc32(&hdr, p, io_u->buflen - sizeof(hdr)); | |
541 | hdr.verify_type = VERIFY_CRC32; | |
542 | } | |
543 | ||
e8457004 | 544 | memcpy(io_u->buf, &hdr, sizeof(hdr)); |
cfc702bd JA |
545 | } |
546 | ||
2c83567e JA |
547 | static void put_io_u(struct thread_data *td, struct io_u *io_u) |
548 | { | |
549 | list_del(&io_u->list); | |
550 | list_add(&io_u->list, &td->io_u_freelist); | |
551 | td->cur_depth--; | |
552 | } | |
553 | ||
f0f3411b JA |
554 | #define queue_full(td) (list_empty(&(td)->io_u_freelist)) |
555 | ||
e8457004 JA |
556 | static struct io_u *__get_io_u(struct thread_data *td) |
557 | { | |
558 | struct io_u *io_u; | |
559 | ||
f0f3411b | 560 | if (queue_full(td)) |
e8457004 JA |
561 | return NULL; |
562 | ||
563 | io_u = list_entry(td->io_u_freelist.next, struct io_u, list); | |
564 | list_del(&io_u->list); | |
565 | list_add(&io_u->list, &td->io_u_busylist); | |
f4bb2243 | 566 | td->cur_depth++; |
e8457004 JA |
567 | return io_u; |
568 | } | |
569 | ||
2c83567e JA |
570 | static struct io_u *get_io_u(struct thread_data *td) |
571 | { | |
572 | struct io_u *io_u; | |
573 | ||
e8457004 JA |
574 | io_u = __get_io_u(td); |
575 | if (!io_u) | |
2c83567e JA |
576 | return NULL; |
577 | ||
406e7b7c JA |
578 | if (get_next_offset(td, &io_u->offset)) { |
579 | put_io_u(td, io_u); | |
49d2caab | 580 | return NULL; |
406e7b7c | 581 | } |
49d2caab | 582 | |
b2a369fb JA |
583 | io_u->buflen = get_next_buflen(td); |
584 | if (!io_u->buflen) { | |
e8457004 | 585 | put_io_u(td, io_u); |
7889f07b | 586 | return NULL; |
e8457004 | 587 | } |
2c83567e | 588 | |
75b2ab2c JA |
589 | if (io_u->buflen + io_u->offset > td->file_size) |
590 | io_u->buflen = td->file_size - io_u->offset; | |
49d2caab | 591 | |
f5087211 JA |
592 | if (!io_u->buflen) { |
593 | put_io_u(td, io_u); | |
594 | return NULL; | |
595 | } | |
596 | ||
49d2caab JA |
597 | if (!td->sequential) |
598 | mark_random_map(td, io_u); | |
599 | ||
600 | td->last_bytes += io_u->buflen; | |
601 | ||
7f46ef08 | 602 | if (td->verify != VERIFY_NONE) |
e8457004 | 603 | populate_io_u(td, io_u); |
cfc702bd | 604 | |
f5087211 JA |
605 | if (td->io_prep) |
606 | td->io_prep(td, io_u, td_read(td)); | |
2c83567e | 607 | |
57d753e3 | 608 | gettimeofday(&io_u->start_time, NULL); |
2c83567e JA |
609 | return io_u; |
610 | } | |
611 | ||
40ef7f64 JA |
612 | static inline void td_set_runstate(struct thread_data *td, int runstate) |
613 | { | |
614 | td->old_runstate = td->runstate; | |
615 | td->runstate = runstate; | |
616 | } | |
617 | ||
645785e5 JA |
618 | static int get_next_verify(struct thread_data *td, |
619 | unsigned long long *offset, unsigned int *len) | |
620 | { | |
621 | struct io_piece *ipo; | |
622 | ||
623 | if (list_empty(&td->io_hist_list)) | |
624 | return 1; | |
625 | ||
626 | ipo = list_entry(td->io_hist_list.next, struct io_piece, list); | |
627 | list_del(&ipo->list); | |
628 | ||
629 | *offset = ipo->offset; | |
630 | *len = ipo->len; | |
631 | free(ipo); | |
632 | return 0; | |
633 | } | |
634 | ||
9d0c6ca2 JA |
635 | static void prune_io_piece_log(struct thread_data *td) |
636 | { | |
637 | struct io_piece *ipo; | |
638 | ||
639 | while (!list_empty(&td->io_hist_list)) { | |
640 | ipo = list_entry(td->io_hist_list.next, struct io_piece, list); | |
641 | ||
642 | list_del(&ipo->list); | |
643 | free(ipo); | |
644 | } | |
645 | } | |
646 | ||
9d0c6ca2 JA |
647 | /* |
648 | * log a succesful write, so we can unwind the log for verify | |
649 | */ | |
650 | static void log_io_piece(struct thread_data *td, struct io_u *io_u) | |
651 | { | |
49d2caab | 652 | struct io_piece *ipo = malloc(sizeof(struct io_piece)); |
9d0c6ca2 JA |
653 | struct list_head *entry; |
654 | ||
655 | INIT_LIST_HEAD(&ipo->list); | |
656 | ipo->offset = io_u->offset; | |
657 | ipo->len = io_u->buflen; | |
658 | ||
49d2caab JA |
659 | /* |
660 | * for random io where the writes extend the file, it will typically | |
661 | * be laid out with the block scattered as written. it's faster to | |
662 | * read them in in that order again, so don't sort | |
663 | */ | |
664 | if (td->sequential || !td->overwrite) { | |
9d0c6ca2 JA |
665 | list_add_tail(&ipo->list, &td->io_hist_list); |
666 | return; | |
667 | } | |
668 | ||
669 | /* | |
670 | * for random io, sort the list so verify will run faster | |
671 | */ | |
672 | entry = &td->io_hist_list; | |
673 | while ((entry = entry->prev) != &td->io_hist_list) { | |
674 | struct io_piece *__ipo = list_entry(entry, struct io_piece, list); | |
675 | ||
9d0c6ca2 JA |
676 | if (__ipo->offset < ipo->offset) |
677 | break; | |
678 | } | |
679 | ||
680 | list_add(&ipo->list, entry); | |
681 | } | |
682 | ||
91fc5dc9 | 683 | static void do_sync_verify(struct thread_data *td) |
cfc702bd | 684 | { |
40ef7f64 | 685 | struct timeval t; |
e8457004 | 686 | struct io_u *io_u = NULL; |
645785e5 | 687 | int ret; |
e8457004 | 688 | |
40ef7f64 | 689 | td_set_runstate(td, TD_VERIFYING); |
e8457004 JA |
690 | |
691 | io_u = __get_io_u(td); | |
692 | ||
40ef7f64 | 693 | if (!td->odirect) { |
6e2c38cc JA |
694 | if (!td->use_mmap) { |
695 | if (fadvise(td->fd, td->file_offset, td->io_size, POSIX_FADV_DONTNEED) < 0) { | |
b5a4be48 | 696 | td_verror(td, errno); |
6e2c38cc JA |
697 | goto out; |
698 | } | |
699 | } else { | |
700 | if (madvise(td->mmap, td->io_size, MADV_DONTNEED)) { | |
b5a4be48 | 701 | td_verror(td, errno); |
6e2c38cc JA |
702 | goto out; |
703 | } | |
40ef7f64 JA |
704 | } |
705 | } | |
706 | ||
e8457004 JA |
707 | do { |
708 | if (td->terminate) | |
709 | break; | |
40ef7f64 JA |
710 | |
711 | gettimeofday(&t, NULL); | |
712 | if (runtime_exceeded(td, &t)) | |
713 | break; | |
714 | ||
645785e5 JA |
715 | if (get_next_verify(td, &io_u->offset, &io_u->buflen)) |
716 | break; | |
717 | ||
718 | if (td->cur_off != io_u->offset) { | |
719 | if (lseek(td->fd, io_u->offset, SEEK_SET) == -1) { | |
b5a4be48 | 720 | td_verror(td, errno); |
645785e5 JA |
721 | break; |
722 | } | |
723 | } | |
e8457004 JA |
724 | |
725 | ret = read(td->fd, io_u->buf, io_u->buflen); | |
726 | if (ret < (int) io_u->buflen) { | |
727 | if (ret == -1) { | |
b5a4be48 | 728 | td_verror(td, errno); |
e8457004 JA |
729 | break; |
730 | } else if (!ret) | |
731 | break; | |
732 | else | |
733 | io_u->buflen = ret; | |
734 | } | |
735 | ||
645785e5 | 736 | if (verify_io_u(io_u)) |
e8457004 JA |
737 | break; |
738 | ||
645785e5 | 739 | td->cur_off = io_u->offset + io_u->buflen; |
e8457004 JA |
740 | } while (1); |
741 | ||
742 | out: | |
40ef7f64 | 743 | td_set_runstate(td, TD_RUNNING); |
e8457004 | 744 | put_io_u(td, io_u); |
cfc702bd JA |
745 | } |
746 | ||
6e2c38cc JA |
747 | static int __do_sync_mmap(struct thread_data *td, struct io_u *io_u) |
748 | { | |
749 | unsigned long long real_off = io_u->offset - td->file_offset; | |
750 | ||
751 | if (td_read(td)) | |
752 | memcpy(io_u->buf, td->mmap + real_off, io_u->buflen); | |
753 | else | |
754 | memcpy(td->mmap + real_off, io_u->buf, io_u->buflen); | |
c009cdac JA |
755 | |
756 | /* | |
757 | * not really direct, but should drop the pages from the cache | |
758 | */ | |
759 | if (td->odirect) { | |
760 | msync(td->mmap + real_off, io_u->buflen, MS_SYNC); | |
761 | madvise(td->mmap + real_off, io_u->buflen, MADV_DONTNEED); | |
762 | } | |
6e2c38cc JA |
763 | |
764 | return io_u->buflen; | |
765 | } | |
766 | ||
767 | static int __do_sync_rw(struct thread_data *td, struct io_u *io_u) | |
768 | { | |
769 | if (td->cur_off != io_u->offset) { | |
770 | if (lseek(td->fd, io_u->offset, SEEK_SET) == -1) { | |
b5a4be48 | 771 | td_verror(td, errno); |
6e2c38cc JA |
772 | return 1; |
773 | } | |
774 | } | |
775 | ||
776 | if (td_read(td)) | |
777 | return read(td->fd, io_u->buf, io_u->buflen); | |
778 | else | |
779 | return write(td->fd, io_u->buf, io_u->buflen); | |
780 | } | |
781 | ||
782 | static void sync_td(struct thread_data *td) | |
783 | { | |
784 | if (!td->use_mmap) | |
785 | fsync(td->fd); | |
786 | else | |
787 | msync(td->mmap, td->file_size, MS_SYNC); | |
788 | } | |
789 | ||
43000118 | 790 | static void do_sync_io(struct thread_data *td) |
892199bd | 791 | { |
7889f07b | 792 | unsigned long msec, usec; |
e8457004 | 793 | struct io_u *io_u = NULL; |
2c83567e | 794 | struct timeval e; |
892199bd | 795 | |
49d2caab | 796 | while (td->this_io_bytes < td->io_size) { |
892199bd JA |
797 | int ret; |
798 | ||
799 | if (td->terminate) | |
800 | break; | |
801 | ||
2c83567e | 802 | io_u = get_io_u(td); |
7889f07b JA |
803 | if (!io_u) |
804 | break; | |
2c83567e | 805 | |
6e2c38cc JA |
806 | if (!td->use_mmap) |
807 | ret = __do_sync_rw(td, io_u); | |
892199bd | 808 | else |
6e2c38cc | 809 | ret = __do_sync_mmap(td, io_u); |
892199bd | 810 | |
2c83567e | 811 | if (ret < (int) io_u->buflen) { |
892199bd | 812 | if (ret == -1) |
b5a4be48 | 813 | td_verror(td, errno); |
892199bd JA |
814 | break; |
815 | } | |
816 | ||
62bb4285 | 817 | if (td_write(td)) |
645785e5 JA |
818 | log_io_piece(td, io_u); |
819 | ||
4240cfa1 | 820 | td->io_blocks++; |
49d2caab JA |
821 | td->io_bytes += io_u->buflen; |
822 | td->this_io_bytes += io_u->buflen; | |
63a09e51 | 823 | td->cur_off = io_u->offset + io_u->buflen; |
4240cfa1 | 824 | |
86184d14 JA |
825 | gettimeofday(&e, NULL); |
826 | ||
57d753e3 | 827 | usec = utime_since(&io_u->start_time, &e); |
86184d14 | 828 | |
9e850933 | 829 | rate_throttle(td, usec, io_u->buflen); |
892199bd | 830 | |
4240cfa1 | 831 | if (check_min_rate(td, &e)) { |
35deef72 | 832 | td_verror(td, ENOMEM); |
4240cfa1 JA |
833 | break; |
834 | } | |
892199bd | 835 | |
4240cfa1 | 836 | msec = usec / 1000; |
57d753e3 | 837 | add_clat_sample(td, msec); |
645785e5 | 838 | add_bw_sample(td); |
67903a2e JA |
839 | |
840 | if (runtime_exceeded(td, &e)) | |
841 | break; | |
2c83567e | 842 | |
cdf92433 | 843 | put_io_u(td, io_u); |
e8457004 | 844 | io_u = NULL; |
cdf92433 | 845 | |
e97712ed | 846 | if (td->thinktime) |
d15c5195 | 847 | usec_sleep(td, td->thinktime); |
e97712ed | 848 | |
cdf92433 JA |
849 | if (should_fsync(td) && td->fsync_blocks && |
850 | (td->io_blocks % td->fsync_blocks) == 0) | |
6e2c38cc | 851 | sync_td(td); |
892199bd JA |
852 | } |
853 | ||
e8457004 JA |
854 | if (io_u) |
855 | put_io_u(td, io_u); | |
856 | ||
4240cfa1 | 857 | if (should_fsync(td)) |
6e2c38cc | 858 | sync_td(td); |
892199bd | 859 | } |
43000118 | 860 | |
1ad72b11 JA |
861 | static int io_u_getevents(struct thread_data *td, int min, int max, |
862 | struct timespec *t) | |
863 | { | |
f5087211 | 864 | return td->io_getevents(td, min, max, t); |
1ad72b11 JA |
865 | } |
866 | ||
2c83567e | 867 | static int io_u_queue(struct thread_data *td, struct io_u *io_u) |
56b0eff0 | 868 | { |
f5087211 | 869 | return td->io_queue(td, io_u); |
56b0eff0 JA |
870 | } |
871 | ||
98168d55 | 872 | #define iocb_time(iocb) ((unsigned long) (iocb)->data) |
2c83567e | 873 | |
f0f3411b | 874 | static int ios_completed(struct thread_data *td, int nr) |
2c83567e JA |
875 | { |
876 | unsigned long msec; | |
877 | struct io_u *io_u; | |
878 | struct timeval e; | |
9e850933 | 879 | int i, bytes_done; |
2c83567e | 880 | |
f0f3411b | 881 | gettimeofday(&e, NULL); |
2c83567e | 882 | |
9e850933 | 883 | for (i = 0, bytes_done = 0; i < nr; i++) { |
f5087211 | 884 | io_u = td->io_event(td, i); |
2c83567e | 885 | |
f0f3411b | 886 | td->io_blocks++; |
49d2caab JA |
887 | td->io_bytes += io_u->buflen; |
888 | td->this_io_bytes += io_u->buflen; | |
8c033f93 | 889 | |
f0f3411b | 890 | msec = mtime_since(&io_u->issue_time, &e); |
2c83567e | 891 | |
f0f3411b | 892 | add_clat_sample(td, msec); |
645785e5 JA |
893 | add_bw_sample(td); |
894 | ||
62bb4285 | 895 | if (td_write(td)) |
645785e5 | 896 | log_io_piece(td, io_u); |
2c83567e | 897 | |
f4bb2243 | 898 | bytes_done += io_u->buflen; |
2c83567e JA |
899 | put_io_u(td, io_u); |
900 | } | |
9e850933 JA |
901 | |
902 | return bytes_done; | |
2c83567e JA |
903 | } |
904 | ||
905 | static void cleanup_pending_aio(struct thread_data *td) | |
906 | { | |
907 | struct timespec ts = { .tv_sec = 0, .tv_nsec = 0}; | |
908 | struct list_head *entry, *n; | |
909 | struct io_u *io_u; | |
910 | int r; | |
911 | ||
912 | /* | |
913 | * get immediately available events, if any | |
914 | */ | |
1ad72b11 | 915 | r = io_u_getevents(td, 0, td->cur_depth, &ts); |
2c83567e | 916 | if (r > 0) |
f0f3411b | 917 | ios_completed(td, r); |
2c83567e JA |
918 | |
919 | /* | |
920 | * now cancel remaining active events | |
921 | */ | |
922 | list_for_each_safe(entry, n, &td->io_u_busylist) { | |
923 | io_u = list_entry(entry, struct io_u, list); | |
924 | ||
f5087211 | 925 | r = td->io_cancel(td, io_u); |
2c83567e JA |
926 | if (!r) |
927 | put_io_u(td, io_u); | |
928 | } | |
929 | ||
930 | if (td->cur_depth) { | |
1ad72b11 | 931 | r = io_u_getevents(td, td->cur_depth, td->cur_depth, NULL); |
2c83567e | 932 | if (r > 0) |
f0f3411b | 933 | ios_completed(td, r); |
2c83567e JA |
934 | } |
935 | } | |
98168d55 | 936 | |
d32d9284 JA |
937 | static int async_do_verify(struct thread_data *td, struct io_u **io_u) |
938 | { | |
939 | struct io_u *v_io_u = *io_u; | |
940 | int ret = 0; | |
941 | ||
942 | if (v_io_u) { | |
645785e5 | 943 | ret = verify_io_u(v_io_u); |
d32d9284 JA |
944 | put_io_u(td, v_io_u); |
945 | *io_u = NULL; | |
946 | } | |
947 | ||
948 | return ret; | |
949 | } | |
950 | ||
91fc5dc9 | 951 | static void do_async_verify(struct thread_data *td) |
cfc702bd | 952 | { |
f4bb2243 | 953 | struct timeval t; |
d32d9284 | 954 | struct io_u *io_u, *v_io_u = NULL; |
645785e5 | 955 | int ret; |
f4bb2243 JA |
956 | |
957 | td_set_runstate(td, TD_VERIFYING); | |
958 | ||
f4bb2243 JA |
959 | do { |
960 | if (td->terminate) | |
961 | break; | |
962 | ||
963 | gettimeofday(&t, NULL); | |
964 | if (runtime_exceeded(td, &t)) | |
965 | break; | |
966 | ||
967 | io_u = __get_io_u(td); | |
968 | if (!io_u) | |
969 | break; | |
970 | ||
645785e5 JA |
971 | if (get_next_verify(td, &io_u->offset, &io_u->buflen)) { |
972 | put_io_u(td, io_u); | |
973 | break; | |
f4bb2243 JA |
974 | } |
975 | ||
f5087211 JA |
976 | td->io_prep(td, io_u, 1); |
977 | ||
f4bb2243 JA |
978 | ret = io_u_queue(td, io_u); |
979 | if (ret) { | |
980 | put_io_u(td, io_u); | |
b5a4be48 | 981 | td_verror(td, ret); |
f4bb2243 JA |
982 | break; |
983 | } | |
984 | ||
f0f3411b JA |
985 | /* |
986 | * we have one pending to verify, do that while the next | |
987 | * we are doing io on the next one | |
988 | */ | |
d32d9284 JA |
989 | if (async_do_verify(td, &v_io_u)) |
990 | break; | |
f0f3411b | 991 | |
1ad72b11 | 992 | ret = io_u_getevents(td, 1, 1, NULL); |
f0f3411b JA |
993 | if (ret != 1) { |
994 | if (ret < 0) | |
b5a4be48 | 995 | td_verror(td, ret); |
f4bb2243 JA |
996 | break; |
997 | } | |
998 | ||
f5087211 | 999 | v_io_u = td->io_event(td, 0); |
f4bb2243 | 1000 | |
645785e5 | 1001 | td->cur_off = v_io_u->offset + v_io_u->buflen; |
f0f3411b JA |
1002 | |
1003 | /* | |
d32d9284 | 1004 | * if we can't submit more io, we need to verify now |
f0f3411b | 1005 | */ |
d32d9284 JA |
1006 | if (queue_full(td) && async_do_verify(td, &v_io_u)) |
1007 | break; | |
1008 | ||
f4bb2243 JA |
1009 | } while (1); |
1010 | ||
d32d9284 | 1011 | async_do_verify(td, &v_io_u); |
f0f3411b | 1012 | |
f4bb2243 JA |
1013 | if (td->cur_depth) |
1014 | cleanup_pending_aio(td); | |
1015 | ||
1016 | td_set_runstate(td, TD_RUNNING); | |
cfc702bd JA |
1017 | } |
1018 | ||
43000118 JA |
1019 | static void do_async_io(struct thread_data *td) |
1020 | { | |
1021 | struct timeval s, e; | |
7889f07b | 1022 | unsigned long usec; |
43000118 | 1023 | |
49d2caab | 1024 | while (td->this_io_bytes < td->io_size) { |
43000118 JA |
1025 | struct timespec ts = { .tv_sec = 0, .tv_nsec = 0}; |
1026 | struct timespec *timeout; | |
2c83567e JA |
1027 | int ret, min_evts = 0; |
1028 | struct io_u *io_u; | |
9e850933 | 1029 | unsigned int bytes_done; |
43000118 JA |
1030 | |
1031 | if (td->terminate) | |
1032 | break; | |
1033 | ||
2c83567e | 1034 | io_u = get_io_u(td); |
7889f07b JA |
1035 | if (!io_u) |
1036 | break; | |
43000118 | 1037 | |
57d753e3 | 1038 | memcpy(&s, &io_u->start_time, sizeof(s)); |
8baf1bcc | 1039 | |
2c83567e | 1040 | ret = io_u_queue(td, io_u); |
56b0eff0 | 1041 | if (ret) { |
a3fdb993 | 1042 | put_io_u(td, io_u); |
b5a4be48 | 1043 | td_verror(td, ret); |
43000118 JA |
1044 | break; |
1045 | } | |
1046 | ||
57d753e3 JA |
1047 | gettimeofday(&io_u->issue_time, NULL); |
1048 | add_slat_sample(td, mtime_since(&io_u->start_time, &io_u->issue_time)); | |
2c83567e | 1049 | if (td->cur_depth < td->aio_depth) { |
43000118 JA |
1050 | timeout = &ts; |
1051 | min_evts = 0; | |
1052 | } else { | |
1053 | timeout = NULL; | |
1054 | min_evts = 1; | |
1055 | } | |
1056 | ||
1ad72b11 | 1057 | ret = io_u_getevents(td, min_evts, td->cur_depth, timeout); |
43000118 | 1058 | if (ret < 0) { |
b5a4be48 | 1059 | td_verror(td, ret); |
43000118 JA |
1060 | break; |
1061 | } else if (!ret) | |
1062 | continue; | |
1063 | ||
f0f3411b | 1064 | bytes_done = ios_completed(td, ret); |
43000118 | 1065 | |
98168d55 JA |
1066 | /* |
1067 | * the rate is batched for now, it should work for batches | |
1068 | * of completions except the very first one which may look | |
1069 | * a little bursty | |
1070 | */ | |
2c83567e | 1071 | gettimeofday(&e, NULL); |
43000118 JA |
1072 | usec = utime_since(&s, &e); |
1073 | ||
9e850933 | 1074 | rate_throttle(td, usec, bytes_done); |
43000118 JA |
1075 | |
1076 | if (check_min_rate(td, &e)) { | |
35deef72 | 1077 | td_verror(td, ENOMEM); |
43000118 JA |
1078 | break; |
1079 | } | |
67903a2e JA |
1080 | |
1081 | if (runtime_exceeded(td, &e)) | |
1082 | break; | |
765d9223 JA |
1083 | |
1084 | if (td->thinktime) | |
d15c5195 | 1085 | usec_sleep(td, td->thinktime); |
cdf92433 JA |
1086 | |
1087 | if (should_fsync(td) && td->fsync_blocks && | |
1088 | (td->io_blocks % td->fsync_blocks) == 0) | |
1089 | fsync(td->fd); | |
43000118 | 1090 | } |
56b0eff0 | 1091 | |
2c83567e JA |
1092 | if (td->cur_depth) |
1093 | cleanup_pending_aio(td); | |
4ac89145 JA |
1094 | |
1095 | if (should_fsync(td)) | |
1096 | fsync(td->fd); | |
56b0eff0 JA |
1097 | } |
1098 | ||
1099 | static void cleanup_aio(struct thread_data *td) | |
1100 | { | |
f5087211 JA |
1101 | if (td->io_engine == FIO_LIBAIO) |
1102 | fio_libaio_cleanup(td); | |
1103 | else if (td->io_engine == FIO_POSIXAIO) | |
1104 | fio_posixaio_cleanup(td); | |
43000118 JA |
1105 | } |
1106 | ||
1107 | static int init_aio(struct thread_data *td) | |
1108 | { | |
f5087211 JA |
1109 | if (td->io_engine == FIO_LIBAIO) |
1110 | return fio_libaio_init(td); | |
1111 | else if (td->io_engine == FIO_POSIXAIO) | |
1112 | return fio_posixaio_init(td); | |
1113 | else { | |
1114 | fprintf(stderr, "bad io_engine %d\n", td->io_engine); | |
43000118 JA |
1115 | return 1; |
1116 | } | |
43000118 JA |
1117 | } |
1118 | ||
2c83567e JA |
1119 | static void cleanup_io_u(struct thread_data *td) |
1120 | { | |
1121 | struct list_head *entry, *n; | |
1122 | struct io_u *io_u; | |
1123 | ||
1124 | list_for_each_safe(entry, n, &td->io_u_freelist) { | |
1125 | io_u = list_entry(entry, struct io_u, list); | |
1126 | ||
1127 | list_del(&io_u->list); | |
2c83567e JA |
1128 | free(io_u); |
1129 | } | |
6b71c826 | 1130 | |
99c6704f JA |
1131 | if (td->mem_type == MEM_MALLOC) |
1132 | free(td->orig_buffer); | |
1133 | else if (td->mem_type == MEM_SHM) { | |
1134 | struct shmid_ds sbuf; | |
1135 | ||
1136 | shmdt(td->orig_buffer); | |
1137 | shmctl(td->shm_id, IPC_RMID, &sbuf); | |
891e70f8 JA |
1138 | } else if (td->mem_type == MEM_MMAP) |
1139 | munmap(td->orig_buffer, td->orig_buffer_size); | |
1140 | else | |
1141 | fprintf(stderr, "Bad memory type %d\n", td->mem_type); | |
1142 | ||
1143 | td->orig_buffer = NULL; | |
2c83567e JA |
1144 | } |
1145 | ||
99c6704f | 1146 | static int init_io_u(struct thread_data *td) |
2c83567e JA |
1147 | { |
1148 | struct io_u *io_u; | |
891e70f8 | 1149 | int i, max_units; |
6b71c826 | 1150 | char *p; |
2c83567e | 1151 | |
f5087211 | 1152 | if (td->io_engine == FIO_SYNCIO) |
2c83567e JA |
1153 | max_units = 1; |
1154 | else | |
1155 | max_units = td->aio_depth; | |
1156 | ||
891e70f8 | 1157 | td->orig_buffer_size = td->max_bs * max_units + MASK; |
99c6704f JA |
1158 | |
1159 | if (td->mem_type == MEM_MALLOC) | |
891e70f8 | 1160 | td->orig_buffer = malloc(td->orig_buffer_size); |
99c6704f | 1161 | else if (td->mem_type == MEM_SHM) { |
891e70f8 | 1162 | td->shm_id = shmget(IPC_PRIVATE, td->orig_buffer_size, IPC_CREAT | 0600); |
99c6704f | 1163 | if (td->shm_id < 0) { |
b5a4be48 | 1164 | td_verror(td, errno); |
99c6704f JA |
1165 | perror("shmget"); |
1166 | return 1; | |
1167 | } | |
1168 | ||
1169 | td->orig_buffer = shmat(td->shm_id, NULL, 0); | |
1170 | if (td->orig_buffer == (void *) -1) { | |
b5a4be48 | 1171 | td_verror(td, errno); |
99c6704f | 1172 | perror("shmat"); |
891e70f8 JA |
1173 | td->orig_buffer = NULL; |
1174 | return 1; | |
1175 | } | |
1176 | } else if (td->mem_type == MEM_MMAP) { | |
a984b9e5 | 1177 | td->orig_buffer = mmap(NULL, td->orig_buffer_size, PROT_READ | PROT_WRITE, MAP_PRIVATE | OS_MAP_ANON, 0, 0); |
891e70f8 | 1178 | if (td->orig_buffer == MAP_FAILED) { |
b5a4be48 | 1179 | td_verror(td, errno); |
891e70f8 JA |
1180 | perror("mmap"); |
1181 | td->orig_buffer = NULL; | |
99c6704f JA |
1182 | return 1; |
1183 | } | |
1184 | } | |
6b71c826 | 1185 | |
2c83567e JA |
1186 | INIT_LIST_HEAD(&td->io_u_freelist); |
1187 | INIT_LIST_HEAD(&td->io_u_busylist); | |
645785e5 | 1188 | INIT_LIST_HEAD(&td->io_hist_list); |
2c83567e | 1189 | |
99c6704f | 1190 | p = ALIGN(td->orig_buffer); |
2c83567e JA |
1191 | for (i = 0; i < max_units; i++) { |
1192 | io_u = malloc(sizeof(*io_u)); | |
1193 | memset(io_u, 0, sizeof(*io_u)); | |
1194 | INIT_LIST_HEAD(&io_u->list); | |
1195 | ||
7889f07b | 1196 | io_u->buf = p + td->max_bs * i; |
2c83567e JA |
1197 | list_add(&io_u->list, &td->io_u_freelist); |
1198 | } | |
99c6704f JA |
1199 | |
1200 | return 0; | |
2c83567e JA |
1201 | } |
1202 | ||
ea6b64b1 JA |
1203 | static int create_file(struct thread_data *td, unsigned long long size, |
1204 | int extend) | |
02983297 | 1205 | { |
7889f07b | 1206 | unsigned long long left; |
645785e5 | 1207 | unsigned int bs; |
ea6b64b1 | 1208 | int r, oflags; |
02983297 JA |
1209 | char *b; |
1210 | ||
02983297 JA |
1211 | /* |
1212 | * unless specifically asked for overwrite, let normal io extend it | |
1213 | */ | |
62bb4285 | 1214 | if (td_write(td) && !td->overwrite) |
02983297 JA |
1215 | return 0; |
1216 | ||
ea6b64b1 | 1217 | if (!size) { |
57d753e3 | 1218 | fprintf(stderr, "Need size for create\n"); |
b5a4be48 | 1219 | td_verror(td, EINVAL); |
57d753e3 JA |
1220 | return 1; |
1221 | } | |
1222 | ||
ea6b64b1 JA |
1223 | if (!extend) { |
1224 | oflags = O_CREAT | O_TRUNC; | |
1225 | printf("Client%d: Laying out IO file (%LuMiB)\n", td->thread_number, size >> 20); | |
1226 | } else { | |
1227 | oflags = O_APPEND; | |
1228 | printf("Client%d: Extending IO file (%Lu -> %LuMiB)\n", td->thread_number, (td->file_size - size) >> 20, td->file_size >> 20); | |
1229 | } | |
42fd89a7 | 1230 | |
ea6b64b1 | 1231 | td->fd = open(td->file_name, O_WRONLY | oflags, 0644); |
02983297 | 1232 | if (td->fd < 0) { |
b5a4be48 | 1233 | td_verror(td, errno); |
02983297 JA |
1234 | return 1; |
1235 | } | |
1236 | ||
ea6b64b1 | 1237 | if (!extend && ftruncate(td->fd, td->file_size) == -1) { |
b5a4be48 | 1238 | td_verror(td, errno); |
c94deb1c JA |
1239 | return 1; |
1240 | } | |
1241 | ||
49d2caab | 1242 | td->io_size = td->file_size; |
7889f07b JA |
1243 | b = malloc(td->max_bs); |
1244 | memset(b, 0, td->max_bs); | |
1245 | ||
ea6b64b1 | 1246 | left = size; |
b31d826c | 1247 | while (left && !td->terminate) { |
7889f07b JA |
1248 | bs = td->max_bs; |
1249 | if (bs > left) | |
1250 | bs = left; | |
02983297 | 1251 | |
7889f07b | 1252 | r = write(td->fd, b, bs); |
02983297 | 1253 | |
645785e5 | 1254 | if (r == (int) bs) { |
7889f07b | 1255 | left -= bs; |
02983297 | 1256 | continue; |
7889f07b | 1257 | } else { |
02983297 | 1258 | if (r < 0) |
b5a4be48 | 1259 | td_verror(td, errno); |
02983297 | 1260 | else |
b5a4be48 | 1261 | td_verror(td, EIO); |
02983297 JA |
1262 | |
1263 | break; | |
1264 | } | |
1265 | } | |
1266 | ||
b31d826c JA |
1267 | if (td->terminate) |
1268 | unlink(td->file_name); | |
1269 | else if (td->create_fsync) | |
fc097bfe JA |
1270 | fsync(td->fd); |
1271 | ||
02983297 JA |
1272 | close(td->fd); |
1273 | td->fd = -1; | |
1274 | free(b); | |
1275 | return 0; | |
1276 | } | |
1277 | ||
c4c8f7b3 | 1278 | static int file_size(struct thread_data *td) |
02983297 JA |
1279 | { |
1280 | struct stat st; | |
c94deb1c JA |
1281 | |
1282 | if (fstat(td->fd, &st) == -1) { | |
b5a4be48 | 1283 | td_verror(td, errno); |
c94deb1c JA |
1284 | return 1; |
1285 | } | |
1286 | ||
c6ea46a7 JA |
1287 | if (!td->file_size) |
1288 | td->file_size = st.st_size; | |
c4c8f7b3 JA |
1289 | |
1290 | return 0; | |
1291 | } | |
1292 | ||
1293 | static int bdev_size(struct thread_data *td) | |
1294 | { | |
1295 | size_t bytes; | |
c94deb1c | 1296 | |
c4c8f7b3 | 1297 | if (ioctl(td->fd, BLKGETSIZE64, &bytes) < 0) { |
b5a4be48 | 1298 | td_verror(td, errno); |
c4c8f7b3 | 1299 | return 1; |
c94deb1c JA |
1300 | } |
1301 | ||
c6ea46a7 JA |
1302 | /* |
1303 | * no extend possibilities, so limit size to device size if too large | |
1304 | */ | |
1305 | if (!td->file_size || td->file_size > bytes) | |
c4c8f7b3 JA |
1306 | td->file_size = bytes; |
1307 | ||
1308 | return 0; | |
1309 | } | |
1310 | ||
1311 | static int get_file_size(struct thread_data *td) | |
1312 | { | |
1313 | int ret; | |
1314 | ||
1315 | if (td->filetype == FIO_TYPE_FILE) | |
1316 | ret = file_size(td); | |
1317 | else | |
1318 | ret = bdev_size(td); | |
1319 | ||
1320 | if (ret) | |
1321 | return ret; | |
1322 | ||
1323 | if (td->file_offset > td->file_size) { | |
091d845a | 1324 | fprintf(stderr, "Client%d: offset larger than length (%Lu > %Lu)\n", td->thread_number, td->file_offset, td->file_size); |
c94deb1c JA |
1325 | return 1; |
1326 | } | |
1327 | ||
c4c8f7b3 | 1328 | td->io_size = td->file_size - td->file_offset; |
c94deb1c JA |
1329 | if (td->io_size == 0) { |
1330 | fprintf(stderr, "Client%d: no io blocks\n", td->thread_number); | |
b5a4be48 | 1331 | td_verror(td, EINVAL); |
c94deb1c JA |
1332 | return 1; |
1333 | } | |
1334 | ||
1335 | return 0; | |
1336 | } | |
1337 | ||
6e2c38cc JA |
1338 | static int setup_file_mmap(struct thread_data *td) |
1339 | { | |
1340 | int flags; | |
1341 | ||
1342 | if (td_read(td)) | |
1343 | flags = PROT_READ; | |
1344 | else { | |
1345 | flags = PROT_WRITE; | |
1346 | ||
7f46ef08 | 1347 | if (td->verify != VERIFY_NONE) |
6e2c38cc JA |
1348 | flags |= PROT_READ; |
1349 | } | |
1350 | ||
1351 | td->mmap = mmap(NULL, td->file_size, flags, MAP_SHARED, td->fd, td->file_offset); | |
1352 | if (td->mmap == MAP_FAILED) { | |
1353 | td->mmap = NULL; | |
b5a4be48 | 1354 | td_verror(td, errno); |
6e2c38cc JA |
1355 | return 1; |
1356 | } | |
1357 | ||
1358 | if (td->invalidate_cache) { | |
1359 | if (madvise(td->mmap, td->file_size, MADV_DONTNEED) < 0) { | |
b5a4be48 | 1360 | td_verror(td, errno); |
6e2c38cc JA |
1361 | return 1; |
1362 | } | |
1363 | } | |
1364 | ||
1365 | if (td->sequential) { | |
1366 | if (madvise(td->mmap, td->file_size, MADV_SEQUENTIAL) < 0) { | |
b5a4be48 | 1367 | td_verror(td, errno); |
6e2c38cc JA |
1368 | return 1; |
1369 | } | |
1370 | } else { | |
1371 | if (madvise(td->mmap, td->file_size, MADV_RANDOM) < 0) { | |
b5a4be48 | 1372 | td_verror(td, errno); |
6e2c38cc JA |
1373 | return 1; |
1374 | } | |
1375 | } | |
1376 | ||
1377 | return 0; | |
1378 | } | |
1379 | ||
1380 | static int setup_file_plain(struct thread_data *td) | |
1381 | { | |
1382 | if (td->invalidate_cache) { | |
1383 | if (fadvise(td->fd, td->file_offset, td->file_size, POSIX_FADV_DONTNEED) < 0) { | |
b5a4be48 | 1384 | td_verror(td, errno); |
6e2c38cc JA |
1385 | return 1; |
1386 | } | |
1387 | } | |
1388 | ||
1389 | if (td->sequential) { | |
1390 | if (fadvise(td->fd, td->file_offset, td->file_size, POSIX_FADV_SEQUENTIAL) < 0) { | |
b5a4be48 | 1391 | td_verror(td, errno); |
6e2c38cc JA |
1392 | return 1; |
1393 | } | |
1394 | } else { | |
1395 | if (fadvise(td->fd, td->file_offset, td->file_size, POSIX_FADV_RANDOM) < 0) { | |
b5a4be48 | 1396 | td_verror(td, errno); |
6e2c38cc JA |
1397 | return 1; |
1398 | } | |
1399 | } | |
1400 | ||
1401 | return 0; | |
1402 | } | |
1403 | ||
c94deb1c JA |
1404 | static int setup_file(struct thread_data *td) |
1405 | { | |
ea6b64b1 | 1406 | struct stat st; |
02983297 JA |
1407 | int flags = 0; |
1408 | ||
ea6b64b1 JA |
1409 | if (stat(td->file_name, &st) == -1) { |
1410 | if (errno != ENOENT) { | |
b5a4be48 | 1411 | td_verror(td, errno); |
ea6b64b1 JA |
1412 | return 1; |
1413 | } | |
02983297 | 1414 | if (!td->create_file) { |
b5a4be48 | 1415 | td_verror(td, ENOENT); |
02983297 JA |
1416 | return 1; |
1417 | } | |
ea6b64b1 JA |
1418 | if (create_file(td, td->file_size, 0)) |
1419 | return 1; | |
c6ea46a7 JA |
1420 | } else if (td->filetype == FIO_TYPE_FILE) { |
1421 | if (st.st_size < td->file_size) { | |
1422 | if (create_file(td, td->file_size - st.st_size, 1)) | |
1423 | return 1; | |
1424 | } | |
02983297 JA |
1425 | } |
1426 | ||
1427 | if (td->odirect) | |
1428 | flags |= O_DIRECT; | |
1429 | ||
1430 | if (td_read(td)) | |
1431 | td->fd = open(td->file_name, flags | O_RDONLY); | |
1432 | else { | |
c6ea46a7 JA |
1433 | if (td->filetype == FIO_TYPE_FILE) { |
1434 | if (!td->overwrite) | |
1435 | flags |= O_TRUNC; | |
1436 | ||
1437 | flags |= O_CREAT; | |
1438 | } | |
74b4b5fb JA |
1439 | if (td->sync_io) |
1440 | flags |= O_SYNC; | |
6e2c38cc JA |
1441 | |
1442 | flags |= O_RDWR; | |
02983297 | 1443 | |
c6ea46a7 | 1444 | td->fd = open(td->file_name, flags, 0600); |
02983297 JA |
1445 | } |
1446 | ||
1447 | if (td->fd == -1) { | |
b5a4be48 | 1448 | td_verror(td, errno); |
02983297 JA |
1449 | return 1; |
1450 | } | |
1451 | ||
c94deb1c | 1452 | if (get_file_size(td)) |
49d2caab | 1453 | return 1; |
49d2caab | 1454 | |
6e2c38cc JA |
1455 | if (!td->use_mmap) |
1456 | return setup_file_plain(td); | |
1457 | else | |
1458 | return setup_file_mmap(td); | |
02983297 JA |
1459 | } |
1460 | ||
debf703a JA |
1461 | static int check_dev_match(dev_t dev, char *path) |
1462 | { | |
e79c9259 | 1463 | unsigned int major, minor; |
debf703a JA |
1464 | char line[256], *p; |
1465 | FILE *f; | |
1466 | ||
1467 | f = fopen(path, "r"); | |
1468 | if (!f) { | |
1469 | perror("open path"); | |
1470 | return 1; | |
1471 | } | |
1472 | ||
1473 | p = fgets(line, sizeof(line), f); | |
1474 | if (!p) { | |
1475 | fclose(f); | |
1476 | return 1; | |
1477 | } | |
1478 | ||
1479 | if (sscanf(p, "%u:%u", &major, &minor) != 2) { | |
1480 | fclose(f); | |
1481 | return 1; | |
1482 | } | |
1483 | ||
1484 | if (((major << 8) | minor) == dev) { | |
1485 | fclose(f); | |
1486 | return 0; | |
1487 | } | |
1488 | ||
1489 | fclose(f); | |
1490 | return 1; | |
1491 | } | |
1492 | ||
1493 | static char *find_block_dir(dev_t dev, char *path) | |
1494 | { | |
1495 | struct dirent *dir; | |
1496 | char *found = NULL; | |
1497 | struct stat st; | |
1498 | DIR *D; | |
1499 | ||
1500 | D = opendir(path); | |
1501 | if (!D) | |
1502 | return NULL; | |
1503 | ||
1504 | while ((dir = readdir(D)) != NULL) { | |
1505 | char full_path[256]; | |
1506 | ||
1507 | if (!strcmp(dir->d_name, ".") || !strcmp(dir->d_name, "..")) | |
1508 | continue; | |
1509 | if (!strcmp(dir->d_name, "device")) | |
1510 | continue; | |
1511 | ||
1512 | sprintf(full_path, "%s/%s", path, dir->d_name); | |
1513 | ||
1514 | if (!strcmp(dir->d_name, "dev")) { | |
1515 | if (!check_dev_match(dev, full_path)) { | |
1516 | found = path; | |
1517 | break; | |
1518 | } | |
1519 | } | |
1520 | ||
1521 | if (stat(full_path, &st) == -1) { | |
1522 | perror("stat"); | |
1523 | break; | |
1524 | } | |
1525 | ||
1526 | if (!S_ISDIR(st.st_mode) || S_ISLNK(st.st_mode)) | |
1527 | continue; | |
1528 | ||
1529 | if ((found = find_block_dir(dev, full_path)) != NULL) | |
1530 | break; | |
1531 | } | |
1532 | ||
1533 | closedir(D); | |
1534 | return found; | |
1535 | } | |
1536 | ||
0b100202 | 1537 | static int get_io_ticks(struct disk_util *du, struct disk_util_stat *dus) |
debf703a | 1538 | { |
0b100202 | 1539 | unsigned in_flight; |
debf703a JA |
1540 | char line[256]; |
1541 | FILE *f; | |
1542 | char *p; | |
1543 | ||
6f75d67c | 1544 | f = fopen(du->path, "r"); |
debf703a | 1545 | if (!f) |
0b100202 | 1546 | return 1; |
debf703a JA |
1547 | |
1548 | p = fgets(line, sizeof(line), f); | |
1549 | if (!p) { | |
1550 | fclose(f); | |
0b100202 | 1551 | return 1; |
debf703a JA |
1552 | } |
1553 | ||
8550ac6b | 1554 | if (sscanf(p, "%u %u %llu %u %u %u %llu %u %u %u %u\n", &dus->ios[0], &dus->merges[0], &dus->sectors[0], &dus->ticks[0], &dus->ios[1], &dus->merges[1], &dus->sectors[1], &dus->ticks[1], &in_flight, &dus->io_ticks, &dus->time_in_queue) != 11) { |
debf703a | 1555 | fclose(f); |
0b100202 | 1556 | return 1; |
debf703a JA |
1557 | } |
1558 | ||
1559 | fclose(f); | |
0b100202 | 1560 | return 0; |
debf703a JA |
1561 | } |
1562 | ||
6f75d67c | 1563 | static void update_io_tick_disk(struct disk_util *du) |
debf703a | 1564 | { |
0b100202 | 1565 | struct disk_util_stat __dus, *dus, *ldus; |
6f75d67c JA |
1566 | struct timeval t; |
1567 | ||
0b100202 JA |
1568 | if (get_io_ticks(du, &__dus)) |
1569 | return; | |
1570 | ||
1571 | dus = &du->dus; | |
1572 | ldus = &du->last_dus; | |
1573 | ||
1574 | dus->sectors[0] += (__dus.sectors[0] - ldus->sectors[0]); | |
1575 | dus->sectors[1] += (__dus.sectors[1] - ldus->sectors[1]); | |
1576 | dus->ios[0] += (__dus.ios[0] - ldus->ios[0]); | |
1577 | dus->ios[1] += (__dus.ios[1] - ldus->ios[1]); | |
1578 | dus->merges[0] += (__dus.merges[0] - ldus->merges[0]); | |
1579 | dus->merges[1] += (__dus.merges[1] - ldus->merges[1]); | |
1580 | dus->ticks[0] += (__dus.ticks[0] - ldus->ticks[0]); | |
1581 | dus->ticks[1] += (__dus.ticks[1] - ldus->ticks[1]); | |
1582 | dus->io_ticks += (__dus.io_ticks - ldus->io_ticks); | |
1583 | dus->time_in_queue += (__dus.time_in_queue - ldus->time_in_queue); | |
1584 | ||
6f75d67c JA |
1585 | gettimeofday(&t, NULL); |
1586 | du->msec += mtime_since(&du->time, &t); | |
1587 | memcpy(&du->time, &t, sizeof(t)); | |
0b100202 | 1588 | memcpy(ldus, &__dus, sizeof(__dus)); |
6f75d67c JA |
1589 | } |
1590 | ||
1591 | static void update_io_ticks(void) | |
1592 | { | |
1593 | struct list_head *entry; | |
1594 | struct disk_util *du; | |
1595 | ||
1596 | list_for_each(entry, &disk_list) { | |
1597 | du = list_entry(entry, struct disk_util, list); | |
1598 | update_io_tick_disk(du); | |
1599 | } | |
1600 | } | |
1601 | ||
1602 | static int disk_util_exists(dev_t dev) | |
1603 | { | |
1604 | struct list_head *entry; | |
1605 | struct disk_util *du; | |
1606 | ||
1607 | list_for_each(entry, &disk_list) { | |
1608 | du = list_entry(entry, struct disk_util, list); | |
1609 | ||
1610 | if (du->dev == dev) | |
1611 | return 1; | |
1612 | } | |
debf703a | 1613 | |
6f75d67c | 1614 | return 0; |
debf703a JA |
1615 | } |
1616 | ||
6f75d67c JA |
1617 | static void disk_util_add(dev_t dev, char *path) |
1618 | { | |
1619 | struct disk_util *du = malloc(sizeof(*du)); | |
1620 | ||
1621 | memset(du, 0, sizeof(*du)); | |
1622 | INIT_LIST_HEAD(&du->list); | |
1623 | sprintf(du->path, "%s/stat", path); | |
4aa2ff86 | 1624 | du->name = strdup(basename(path)); |
6f75d67c JA |
1625 | du->dev = dev; |
1626 | ||
1627 | gettimeofday(&du->time, NULL); | |
0b100202 | 1628 | get_io_ticks(du, &du->last_dus); |
6f75d67c JA |
1629 | |
1630 | list_add_tail(&du->list, &disk_list); | |
1631 | } | |
1632 | ||
1633 | static void init_disk_util(struct thread_data *td) | |
debf703a JA |
1634 | { |
1635 | struct stat st; | |
1636 | char foo[256], tmp[256]; | |
1637 | dev_t dev; | |
1638 | char *p, *dir; | |
1639 | ||
35deef72 JA |
1640 | if (!td->do_disk_util) |
1641 | return; | |
1642 | ||
6f75d67c JA |
1643 | if (!stat(td->file_name, &st)) { |
1644 | if (S_ISBLK(st.st_mode)) | |
1645 | dev = st.st_rdev; | |
1646 | else | |
1647 | dev = st.st_dev; | |
1648 | } else { | |
1649 | /* | |
1650 | * must be a file, open "." in that path | |
1651 | */ | |
8cf48a05 JA |
1652 | strcpy(foo, td->file_name); |
1653 | p = dirname(foo); | |
6f75d67c JA |
1654 | if (stat(p, &st)) { |
1655 | perror("disk util stat"); | |
1656 | return; | |
1657 | } | |
debf703a | 1658 | |
debf703a | 1659 | dev = st.st_dev; |
6f75d67c JA |
1660 | } |
1661 | ||
1662 | if (disk_util_exists(dev)) | |
1663 | return; | |
debf703a JA |
1664 | |
1665 | sprintf(foo, "/sys/block"); | |
1666 | dir = find_block_dir(dev, foo); | |
1667 | if (!dir) | |
6f75d67c | 1668 | return; |
debf703a JA |
1669 | |
1670 | /* | |
1671 | * if this is inside a partition dir, jump back to parent | |
1672 | */ | |
1673 | sprintf(tmp, "%s/queue", dir); | |
1674 | if (stat(tmp, &st)) { | |
1675 | p = dirname(dir); | |
1676 | sprintf(tmp, "%s/queue", p); | |
1677 | if (stat(tmp, &st)) { | |
1678 | fprintf(stderr, "unknown sysfs layout\n"); | |
6f75d67c | 1679 | return; |
debf703a | 1680 | } |
6f75d67c | 1681 | sprintf(foo, "%s", p); |
debf703a JA |
1682 | } |
1683 | ||
6f75d67c JA |
1684 | disk_util_add(dev, foo); |
1685 | } | |
1686 | ||
1687 | static void disk_util_timer_arm(void) | |
1688 | { | |
1689 | struct itimerval itimer; | |
1690 | ||
1691 | itimer.it_value.tv_sec = 0; | |
1692 | itimer.it_value.tv_usec = DISK_UTIL_MSEC * 1000; | |
1693 | setitimer(ITIMER_REAL, &itimer, NULL); | |
1694 | } | |
1695 | ||
d32d9284 JA |
1696 | static void clear_io_state(struct thread_data *td) |
1697 | { | |
f5087211 | 1698 | if (td->io_engine == FIO_SYNCIO) |
9d0c6ca2 JA |
1699 | lseek(td->fd, SEEK_SET, 0); |
1700 | ||
d32d9284 | 1701 | td->cur_off = 0; |
49d2caab JA |
1702 | td->last_bytes = 0; |
1703 | td->stat_io_bytes = 0; | |
1704 | td->this_io_bytes = 0; | |
1705 | ||
1706 | if (td->file_map) | |
1707 | memset(td->file_map, 0, td->num_maps * sizeof(long)); | |
d32d9284 JA |
1708 | } |
1709 | ||
f6dcd824 JA |
1710 | static void update_rusage_stat(struct thread_data *td) |
1711 | { | |
1712 | if (!td->runtime) | |
1713 | return; | |
1714 | ||
1715 | getrusage(RUSAGE_SELF, &td->ru_end); | |
1716 | ||
1717 | td->usr_time += mtime_since(&td->ru_start.ru_utime, &td->ru_end.ru_utime); | |
1718 | td->sys_time += mtime_since(&td->ru_start.ru_stime, &td->ru_end.ru_stime); | |
1719 | td->ctx += td->ru_end.ru_nvcsw + td->ru_end.ru_nivcsw - (td->ru_start.ru_nvcsw + td->ru_start.ru_nivcsw); | |
1720 | ||
1721 | ||
1722 | memcpy(&td->ru_start, &td->ru_end, sizeof(td->ru_end)); | |
1723 | } | |
1724 | ||
189873de | 1725 | static void *thread_main(void *data) |
892199bd | 1726 | { |
189873de | 1727 | struct thread_data *td = data; |
02983297 | 1728 | int ret = 1; |
892199bd | 1729 | |
7292613b | 1730 | setsid(); |
892199bd JA |
1731 | td->pid = getpid(); |
1732 | ||
99c6704f JA |
1733 | if (init_io_u(td)) |
1734 | goto err; | |
2c83567e | 1735 | |
a984b9e5 | 1736 | if (fio_setaffinity(td) == -1) { |
b5a4be48 | 1737 | td_verror(td, errno); |
18e0b78c JA |
1738 | goto err; |
1739 | } | |
1740 | ||
f5087211 | 1741 | if ((td->io_engine != FIO_SYNCIO) && init_aio(td)) |
43000118 JA |
1742 | goto err; |
1743 | ||
f737299d | 1744 | if (td->ioprio) { |
892199bd | 1745 | if (ioprio_set(IOPRIO_WHO_PROCESS, 0, td->ioprio) == -1) { |
b5a4be48 | 1746 | td_verror(td, errno); |
599002b3 | 1747 | goto err; |
892199bd JA |
1748 | } |
1749 | } | |
1750 | ||
1751 | sem_post(&startup_sem); | |
1752 | sem_wait(&td->mutex); | |
43000118 | 1753 | |
fc097bfe JA |
1754 | if (!td->create_serialize && setup_file(td)) |
1755 | goto err; | |
1756 | ||
49d2caab JA |
1757 | if (init_random_state(td)) |
1758 | goto err; | |
1759 | ||
91e6eb54 JA |
1760 | gettimeofday(&td->epoch, NULL); |
1761 | ||
293753bb | 1762 | while (td->loops--) { |
f6dcd824 JA |
1763 | getrusage(RUSAGE_SELF, &td->ru_start); |
1764 | gettimeofday(&td->start, NULL); | |
1765 | memcpy(&td->stat_sample_time, &td->start, sizeof(td->start)); | |
293753bb JA |
1766 | |
1767 | if (td->ratemin) | |
1768 | memcpy(&td->lastrate, &td->stat_sample_time, sizeof(td->lastrate)); | |
7292613b | 1769 | |
d32d9284 | 1770 | clear_io_state(td); |
9d0c6ca2 | 1771 | prune_io_piece_log(td); |
fd1ae4c9 | 1772 | |
f5087211 | 1773 | if (td->io_engine == FIO_SYNCIO) |
b6794fbf | 1774 | do_sync_io(td); |
b2de0ed2 JA |
1775 | else |
1776 | do_async_io(td); | |
1777 | ||
91e6eb54 | 1778 | if (td->error || td->terminate) |
91fc5dc9 JA |
1779 | break; |
1780 | ||
f6dcd824 JA |
1781 | td->runtime += mtime_since_now(&td->start); |
1782 | update_rusage_stat(td); | |
1783 | ||
7f46ef08 | 1784 | if (td->verify == VERIFY_NONE) |
b2de0ed2 | 1785 | continue; |
cfc702bd | 1786 | |
b2de0ed2 | 1787 | clear_io_state(td); |
d32d9284 | 1788 | |
f5087211 | 1789 | if (td->io_engine == FIO_SYNCIO) |
91fc5dc9 JA |
1790 | do_sync_verify(td); |
1791 | else | |
1792 | do_async_verify(td); | |
1793 | ||
91e6eb54 | 1794 | if (td->error || td->terminate) |
91fc5dc9 | 1795 | break; |
b6794fbf | 1796 | } |
7292613b | 1797 | |
892199bd | 1798 | ret = 0; |
a0a9b35b JA |
1799 | |
1800 | if (td->bw_log) | |
1801 | finish_log(td, td->bw_log, "bw"); | |
1802 | if (td->lat_log) | |
1803 | finish_log(td, td->lat_log, "lat"); | |
4ac89145 | 1804 | |
98dd52d6 | 1805 | if (exitall_on_terminate) |
27c32a38 | 1806 | terminate_threads(td->groupid); |
98dd52d6 | 1807 | |
892199bd | 1808 | err: |
7292613b JA |
1809 | if (td->fd != -1) { |
1810 | close(td->fd); | |
1811 | td->fd = -1; | |
1812 | } | |
6e2c38cc JA |
1813 | if (td->mmap) |
1814 | munmap(td->mmap, td->file_size); | |
f5087211 | 1815 | if (td->io_engine != FIO_SYNCIO) |
4ac89145 | 1816 | cleanup_aio(td); |
2c83567e | 1817 | cleanup_io_u(td); |
599002b3 | 1818 | if (ret) { |
892199bd | 1819 | sem_post(&startup_sem); |
599002b3 JA |
1820 | sem_wait(&td->mutex); |
1821 | } | |
40ef7f64 | 1822 | td_set_runstate(td, TD_EXITED); |
189873de JA |
1823 | return NULL; |
1824 | ||
1825 | } | |
1826 | ||
40e7bf80 | 1827 | static void *fork_main(int shmid, int offset) |
189873de JA |
1828 | { |
1829 | struct thread_data *td; | |
1830 | void *data; | |
1831 | ||
40e7bf80 | 1832 | data = shmat(shmid, NULL, 0); |
189873de JA |
1833 | if (data == (void *) -1) { |
1834 | perror("shmat"); | |
1835 | return NULL; | |
1836 | } | |
1837 | ||
1838 | td = data + offset * sizeof(struct thread_data); | |
1839 | thread_main(td); | |
4240cfa1 | 1840 | shmdt(data); |
892199bd JA |
1841 | return NULL; |
1842 | } | |
1843 | ||
57d753e3 JA |
1844 | static int calc_lat(struct io_stat *is, unsigned long *min, unsigned long *max, |
1845 | double *mean, double *dev) | |
1846 | { | |
1847 | double n; | |
1848 | ||
1849 | if (is->samples == 0) | |
1850 | return 0; | |
1851 | ||
1852 | *min = is->min_val; | |
1853 | *max = is->max_val; | |
1854 | ||
1855 | n = (double) is->samples; | |
1856 | *mean = (double) is->val / n; | |
1857 | *dev = sqrt(((double) is->val_sq - (*mean * *mean) / n) / (n - 1)); | |
1858 | return 1; | |
1859 | } | |
1860 | ||
557e4102 JA |
1861 | static void show_thread_status(struct thread_data *td, |
1862 | struct group_run_stats *rs) | |
892199bd JA |
1863 | { |
1864 | int prio, prio_class; | |
f6dcd824 | 1865 | unsigned long min, max, bw = 0; |
92b229ed | 1866 | double mean, dev, usr_cpu, sys_cpu; |
892199bd | 1867 | |
49d2caab | 1868 | if (!td->io_bytes && !td->error) |
213b446c JA |
1869 | return; |
1870 | ||
892199bd | 1871 | if (td->runtime) |
49d2caab | 1872 | bw = td->io_bytes / td->runtime; |
892199bd JA |
1873 | |
1874 | prio = td->ioprio & 0xff; | |
1875 | prio_class = td->ioprio >> IOPRIO_CLASS_SHIFT; | |
1876 | ||
f6dcd824 | 1877 | 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 | 1878 | |
57d753e3 JA |
1879 | if (calc_lat(&td->slat_stat, &min, &max, &mean, &dev)) |
1880 | printf(" slat (msec): min=%5lu, max=%5lu, avg=%5.02f, dev=%5.02f\n", min, max, mean, dev); | |
1881 | if (calc_lat(&td->clat_stat, &min, &max, &mean, &dev)) | |
1882 | printf(" clat (msec): min=%5lu, max=%5lu, avg=%5.02f, dev=%5.02f\n", min, max, mean, dev); | |
557e4102 JA |
1883 | if (calc_lat(&td->bw_stat, &min, &max, &mean, &dev)) { |
1884 | double p_of_agg; | |
1885 | ||
1886 | p_of_agg = mean * 100 / (double) rs->agg[td->ddir]; | |
1887 | 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); | |
1888 | } | |
92b229ed JA |
1889 | |
1890 | if (td->runtime) { | |
f6dcd824 JA |
1891 | usr_cpu = (double) td->usr_time * 100 / (double) td->runtime; |
1892 | sys_cpu = (double) td->sys_time * 100 / (double) td->runtime; | |
92b229ed JA |
1893 | } else { |
1894 | usr_cpu = 0; | |
1895 | sys_cpu = 0; | |
1896 | } | |
1897 | ||
f6dcd824 | 1898 | printf(" cpu : usr=%3.2f%%, sys=%3.2f%%, ctx=%lu\n", usr_cpu, sys_cpu, td->ctx); |
892199bd JA |
1899 | } |
1900 | ||
e79c9259 | 1901 | static void print_thread_status(int nr_running, int t_rate, int m_rate) |
3f39453a | 1902 | { |
3f39453a JA |
1903 | printf("Threads now running: %d", nr_running); |
1904 | if (m_rate || t_rate) | |
1905 | printf(", commitrate %d/%dKiB/sec", t_rate, m_rate); | |
8dbff0b1 JA |
1906 | printf(" : [%s]\r", run_str); |
1907 | fflush(stdout); | |
3f39453a JA |
1908 | } |
1909 | ||
40ef7f64 JA |
1910 | static void check_str_update(struct thread_data *td, int n, int t, int m) |
1911 | { | |
1912 | char c = run_str[td->thread_number - 1]; | |
1913 | ||
1914 | if (td->runstate == td->old_runstate) | |
1915 | return; | |
1916 | ||
1917 | switch (td->runstate) { | |
1918 | case TD_REAPED: | |
1919 | c = '_'; | |
1920 | break; | |
f4bb2243 JA |
1921 | case TD_EXITED: |
1922 | c = 'E'; | |
1923 | break; | |
40ef7f64 | 1924 | case TD_RUNNING: |
af678352 JA |
1925 | if (td_read(td)) { |
1926 | if (td->sequential) | |
1927 | c = 'R'; | |
1928 | else | |
1929 | c = 'r'; | |
1930 | } else { | |
1931 | if (td->sequential) | |
1932 | c = 'W'; | |
1933 | else | |
1934 | c = 'w'; | |
1935 | } | |
40ef7f64 JA |
1936 | break; |
1937 | case TD_VERIFYING: | |
1938 | c = 'V'; | |
1939 | break; | |
1940 | case TD_CREATED: | |
1941 | c = 'C'; | |
1942 | break; | |
1943 | case TD_NOT_CREATED: | |
1944 | c = 'P'; | |
1945 | break; | |
1946 | default: | |
1947 | printf("state %d\n", td->runstate); | |
1948 | } | |
1949 | ||
1950 | run_str[td->thread_number - 1] = c; | |
e79c9259 | 1951 | print_thread_status(n, t, m); |
40ef7f64 JA |
1952 | td->old_runstate = td->runstate; |
1953 | } | |
1954 | ||
213b446c | 1955 | static void reap_threads(int *nr_running, int *t_rate, int *m_rate) |
02bdd9ba | 1956 | { |
213b446c | 1957 | int i; |
02bdd9ba | 1958 | |
3f39453a JA |
1959 | /* |
1960 | * reap exited threads (TD_EXITED -> TD_REAPED) | |
1961 | */ | |
02bdd9ba JA |
1962 | for (i = 0; i < thread_number; i++) { |
1963 | struct thread_data *td = &threads[i]; | |
1964 | ||
40ef7f64 JA |
1965 | check_str_update(td, *nr_running, *t_rate, *m_rate); |
1966 | ||
213b446c JA |
1967 | if (td->runstate != TD_EXITED) |
1968 | continue; | |
02bdd9ba | 1969 | |
40ef7f64 | 1970 | td_set_runstate(td, TD_REAPED); |
189873de JA |
1971 | |
1972 | if (td->use_thread) { | |
1973 | long ret; | |
1974 | ||
1975 | if (pthread_join(td->thread, (void *) &ret)) | |
1976 | perror("thread_join"); | |
1977 | } else | |
1978 | waitpid(td->pid, NULL, 0); | |
1979 | ||
213b446c JA |
1980 | (*nr_running)--; |
1981 | (*m_rate) -= td->ratemin; | |
1982 | (*t_rate) -= td->rate; | |
40ef7f64 | 1983 | check_str_update(td, *nr_running, *t_rate, *m_rate); |
213b446c | 1984 | } |
02bdd9ba JA |
1985 | } |
1986 | ||
e79c9259 | 1987 | static void run_threads(void) |
fc24389f | 1988 | { |
be33abe4 | 1989 | struct timeval genesis; |
fc24389f JA |
1990 | struct thread_data *td; |
1991 | unsigned long spent; | |
2a81240d | 1992 | int i, todo, nr_running, m_rate, t_rate, nr_started; |
fc24389f | 1993 | |
fc24389f JA |
1994 | printf("Starting %d threads\n", thread_number); |
1995 | fflush(stdout); | |
1996 | ||
7292613b | 1997 | signal(SIGINT, sig_handler); |
8882f4e9 | 1998 | signal(SIGALRM, sig_handler); |
7292613b | 1999 | |
fc24389f | 2000 | todo = thread_number; |
02bdd9ba | 2001 | nr_running = 0; |
2a81240d | 2002 | nr_started = 0; |
213b446c | 2003 | m_rate = t_rate = 0; |
fc24389f | 2004 | |
8bdcfab5 JA |
2005 | for (i = 0; i < thread_number; i++) { |
2006 | td = &threads[i]; | |
2007 | ||
6f75d67c JA |
2008 | init_disk_util(td); |
2009 | ||
fc097bfe JA |
2010 | if (!td->create_serialize) |
2011 | continue; | |
2012 | ||
8bdcfab5 JA |
2013 | /* |
2014 | * do file setup here so it happens sequentially, | |
2015 | * we don't want X number of threads getting their | |
2016 | * client data interspersed on disk | |
2017 | */ | |
2018 | if (setup_file(td)) { | |
40ef7f64 | 2019 | td_set_runstate(td, TD_REAPED); |
8bdcfab5 JA |
2020 | todo--; |
2021 | } | |
2022 | } | |
2023 | ||
2024 | gettimeofday(&genesis, NULL); | |
2025 | ||
213b446c | 2026 | while (todo) { |
3f39453a JA |
2027 | /* |
2028 | * create threads (TD_NOT_CREATED -> TD_CREATED) | |
2029 | */ | |
fc24389f JA |
2030 | for (i = 0; i < thread_number; i++) { |
2031 | td = &threads[i]; | |
2032 | ||
02bdd9ba | 2033 | if (td->runstate != TD_NOT_CREATED) |
fc24389f JA |
2034 | continue; |
2035 | ||
213b446c JA |
2036 | /* |
2037 | * never got a chance to start, killed by other | |
2038 | * thread for some reason | |
2039 | */ | |
2040 | if (td->terminate) { | |
2041 | todo--; | |
2042 | continue; | |
2043 | } | |
2044 | ||
fc24389f | 2045 | if (td->start_delay) { |
be33abe4 | 2046 | spent = mtime_since_now(&genesis); |
fc24389f JA |
2047 | |
2048 | if (td->start_delay * 1000 > spent) | |
2049 | continue; | |
2050 | } | |
2051 | ||
2a81240d | 2052 | if (td->stonewall && (nr_started || nr_running)) |
ea6f96a2 | 2053 | break; |
2a81240d | 2054 | |
40ef7f64 JA |
2055 | td_set_runstate(td, TD_CREATED); |
2056 | check_str_update(td, nr_running, t_rate, m_rate); | |
fc24389f JA |
2057 | sem_init(&startup_sem, 1, 1); |
2058 | todo--; | |
2a81240d | 2059 | nr_started++; |
fc24389f | 2060 | |
189873de JA |
2061 | if (td->use_thread) { |
2062 | if (pthread_create(&td->thread, NULL, thread_main, td)) { | |
2063 | perror("thread_create"); | |
2064 | nr_started--; | |
2065 | } | |
2066 | } else { | |
2067 | if (fork()) | |
2068 | sem_wait(&startup_sem); | |
2069 | else { | |
2070 | fork_main(shm_id, i); | |
2071 | exit(0); | |
2072 | } | |
fc24389f JA |
2073 | } |
2074 | } | |
2075 | ||
3f39453a | 2076 | /* |
e8457004 | 2077 | * start created threads (TD_CREATED -> TD_RUNNING) |
3f39453a | 2078 | */ |
fc24389f | 2079 | for (i = 0; i < thread_number; i++) { |
40e7bf80 | 2080 | td = &threads[i]; |
fc24389f | 2081 | |
3f39453a JA |
2082 | if (td->runstate != TD_CREATED) |
2083 | continue; | |
2084 | ||
40ef7f64 | 2085 | td_set_runstate(td, TD_RUNNING); |
3f39453a | 2086 | nr_running++; |
2a81240d | 2087 | nr_started--; |
3f39453a JA |
2088 | m_rate += td->ratemin; |
2089 | t_rate += td->rate; | |
40ef7f64 | 2090 | check_str_update(td, nr_running, t_rate, m_rate); |
3f39453a | 2091 | sem_post(&td->mutex); |
fc24389f JA |
2092 | } |
2093 | ||
e8457004 | 2094 | for (i = 0; i < thread_number; i++) { |
40e7bf80 | 2095 | td = &threads[i]; |
e8457004 | 2096 | |
b48889bb JA |
2097 | if (td->runstate != TD_RUNNING && |
2098 | td->runstate != TD_VERIFYING) | |
e8457004 JA |
2099 | continue; |
2100 | ||
40ef7f64 | 2101 | check_str_update(td, nr_running, t_rate, m_rate); |
e8457004 JA |
2102 | } |
2103 | ||
213b446c | 2104 | reap_threads(&nr_running, &t_rate, &m_rate); |
02bdd9ba | 2105 | |
fc24389f JA |
2106 | if (todo) |
2107 | usleep(100000); | |
2108 | } | |
02bdd9ba JA |
2109 | |
2110 | while (nr_running) { | |
213b446c | 2111 | reap_threads(&nr_running, &t_rate, &m_rate); |
02bdd9ba JA |
2112 | usleep(10000); |
2113 | } | |
6f75d67c JA |
2114 | |
2115 | update_io_ticks(); | |
fc24389f JA |
2116 | } |
2117 | ||
0d80f40d | 2118 | static void show_group_stats(struct group_run_stats *rs, int id) |
8867c0a8 | 2119 | { |
0d80f40d JA |
2120 | printf("\nRun status group %d:\n", id); |
2121 | ||
2122 | if (rs->max_run[DDIR_READ]) | |
2123 | 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]); | |
2124 | if (rs->max_run[DDIR_WRITE]) | |
2125 | 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]); | |
2126 | } | |
2127 | ||
6f75d67c JA |
2128 | static void show_disk_util(void) |
2129 | { | |
0b100202 | 2130 | struct disk_util_stat *dus; |
6f75d67c JA |
2131 | struct list_head *entry; |
2132 | struct disk_util *du; | |
2133 | double util; | |
2134 | ||
4aa2ff86 | 2135 | printf("\nDisk stats (read/write):\n"); |
6f75d67c JA |
2136 | |
2137 | list_for_each(entry, &disk_list) { | |
2138 | du = list_entry(entry, struct disk_util, list); | |
0b100202 | 2139 | dus = &du->dus; |
6f75d67c | 2140 | |
0b100202 | 2141 | util = (double) 100 * du->dus.io_ticks / (double) du->msec; |
6f75d67c JA |
2142 | if (util > 100.0) |
2143 | util = 100.0; | |
2144 | ||
0b100202 | 2145 | printf(" %s: ios=%u/%u, merge=%u/%u, ticks=%u/%u, in_queue=%u, util=%3.2f%%\n", du->name, dus->ios[0], dus->ios[1], dus->merges[0], dus->merges[1], dus->ticks[0], dus->ticks[1], dus->time_in_queue, util); |
6f75d67c JA |
2146 | } |
2147 | } | |
2148 | ||
0d80f40d JA |
2149 | static void show_run_stats(void) |
2150 | { | |
2151 | struct group_run_stats *runstats, *rs; | |
557e4102 | 2152 | struct thread_data *td; |
8867c0a8 JA |
2153 | int i; |
2154 | ||
0d80f40d JA |
2155 | runstats = malloc(sizeof(struct group_run_stats) * (groupid + 1)); |
2156 | ||
2157 | for (i = 0; i < groupid + 1; i++) { | |
2158 | rs = &runstats[i]; | |
2159 | ||
f6dcd824 | 2160 | memset(rs, 0, sizeof(*rs)); |
0d80f40d JA |
2161 | rs->min_bw[0] = rs->min_run[0] = ~0UL; |
2162 | rs->min_bw[1] = rs->min_run[1] = ~0UL; | |
0d80f40d JA |
2163 | } |
2164 | ||
2165 | for (i = 0; i < thread_number; i++) { | |
0d80f40d JA |
2166 | unsigned long bw = 0; |
2167 | ||
557e4102 JA |
2168 | td = &threads[i]; |
2169 | ||
b5a4be48 JA |
2170 | if (td->error) { |
2171 | printf("Client%d: %s\n", td->thread_number, td->verror); | |
557e4102 | 2172 | continue; |
b5a4be48 | 2173 | } |
557e4102 | 2174 | |
0d80f40d JA |
2175 | rs = &runstats[td->groupid]; |
2176 | ||
557e4102 JA |
2177 | if (td->runtime < rs->min_run[td->ddir]) |
2178 | rs->min_run[td->ddir] = td->runtime; | |
2179 | if (td->runtime > rs->max_run[td->ddir]) | |
2180 | rs->max_run[td->ddir] = td->runtime; | |
0d80f40d | 2181 | |
557e4102 JA |
2182 | if (td->runtime) |
2183 | bw = td->io_bytes / td->runtime; | |
2184 | if (bw < rs->min_bw[td->ddir]) | |
2185 | rs->min_bw[td->ddir] = bw; | |
2186 | if (bw > rs->max_bw[td->ddir]) | |
2187 | rs->max_bw[td->ddir] = bw; | |
0d80f40d | 2188 | |
557e4102 | 2189 | rs->io_mb[td->ddir] += td->io_bytes >> 20; |
0d80f40d | 2190 | } |
9d489c62 | 2191 | |
0d80f40d JA |
2192 | for (i = 0; i < groupid + 1; i++) { |
2193 | rs = &runstats[i]; | |
2194 | ||
2195 | if (rs->max_run[0]) | |
2196 | rs->agg[0] = (rs->io_mb[0]*1024*1000) / rs->max_run[0]; | |
2197 | if (rs->max_run[1]) | |
2198 | rs->agg[1] = (rs->io_mb[1]*1024*1000) / rs->max_run[1]; | |
0d80f40d | 2199 | } |
557e4102 JA |
2200 | |
2201 | for (i = 0; i < thread_number; i++) { | |
2202 | td = &threads[i]; | |
2203 | rs = &runstats[td->groupid]; | |
2204 | ||
c4c8f7b3 | 2205 | show_thread_status(td, rs); |
557e4102 | 2206 | } |
9d489c62 JA |
2207 | |
2208 | for (i = 0; i < groupid + 1; i++) | |
2209 | show_group_stats(&runstats[i], i); | |
6f75d67c JA |
2210 | |
2211 | show_disk_util(); | |
0d80f40d JA |
2212 | } |
2213 | ||
2214 | int main(int argc, char *argv[]) | |
2215 | { | |
27c32a38 | 2216 | memset(run_str, 0, sizeof(run_str)); |
5961d92c | 2217 | |
27c32a38 | 2218 | if (parse_options(argc, argv)) |
5961d92c | 2219 | return 1; |
7dd1389e | 2220 | |
4240cfa1 JA |
2221 | if (!thread_number) { |
2222 | printf("Nothing to do\n"); | |
2223 | return 1; | |
2224 | } | |
7dd1389e | 2225 | |
8882f4e9 | 2226 | disk_util_timer_arm(); |
6f75d67c | 2227 | |
e79c9259 | 2228 | run_threads(); |
0d80f40d | 2229 | show_run_stats(); |
fc24389f | 2230 | |
892199bd JA |
2231 | return 0; |
2232 | } |