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> |
debf703a JA |
32 | #include <dirent.h> |
33 | #include <libgen.h> | |
892199bd JA |
34 | #include <sys/types.h> |
35 | #include <sys/stat.h> | |
36 | #include <sys/wait.h> | |
892199bd JA |
37 | #include <sys/ipc.h> |
38 | #include <sys/shm.h> | |
c94deb1c | 39 | #include <sys/ioctl.h> |
6e2c38cc | 40 | #include <sys/mman.h> |
892199bd | 41 | |
27c32a38 | 42 | #include "fio.h" |
fa78facd | 43 | #include "os.h" |
892199bd | 44 | |
892199bd JA |
45 | #define MASK (4095) |
46 | ||
4240cfa1 | 47 | #define ALIGN(buf) (char *) (((unsigned long) (buf) + MASK) & ~(MASK)) |
892199bd | 48 | |
27c32a38 JA |
49 | int groupid = 0; |
50 | int thread_number = 0; | |
51 | char run_str[MAX_JOBS + 1]; | |
52 | int shm_id = 0; | |
6f75d67c | 53 | static LIST_HEAD(disk_list); |
892199bd | 54 | |
8882f4e9 JA |
55 | static void update_io_ticks(void); |
56 | static void disk_util_timer_arm(void); | |
57 | ||
02bdd9ba JA |
58 | /* |
59 | * thread life cycle | |
60 | */ | |
61 | enum { | |
62 | TD_NOT_CREATED = 0, | |
63 | TD_CREATED, | |
e8457004 JA |
64 | TD_RUNNING, |
65 | TD_VERIFYING, | |
02bdd9ba JA |
66 | TD_EXITED, |
67 | TD_REAPED, | |
68 | }; | |
69 | ||
62bb4285 | 70 | #define should_fsync(td) (td_write(td) && !(td)->odirect) |
02983297 | 71 | |
892199bd JA |
72 | static sem_t startup_sem; |
73 | ||
27c32a38 JA |
74 | #define TERMINATE_ALL (-1) |
75 | ||
40e7bf80 | 76 | static void terminate_threads(int group_id) |
892199bd JA |
77 | { |
78 | int i; | |
79 | ||
213b446c JA |
80 | for (i = 0; i < thread_number; i++) { |
81 | struct thread_data *td = &threads[i]; | |
82 | ||
40e7bf80 | 83 | if (group_id == TERMINATE_ALL || groupid == td->groupid) { |
27c32a38 JA |
84 | td->terminate = 1; |
85 | td->start_delay = 0; | |
86 | } | |
213b446c | 87 | } |
02bdd9ba JA |
88 | } |
89 | ||
27c32a38 | 90 | static void sig_handler(int sig) |
946d8870 | 91 | { |
8882f4e9 JA |
92 | switch (sig) { |
93 | case SIGALRM: | |
94 | update_io_ticks(); | |
95 | disk_util_timer_arm(); | |
96 | break; | |
97 | default: | |
eaa7586c JA |
98 | printf("\nfio: terminating on signal\n"); |
99 | fflush(stdout); | |
8882f4e9 JA |
100 | terminate_threads(TERMINATE_ALL); |
101 | break; | |
102 | } | |
892199bd JA |
103 | } |
104 | ||
5c24b2c4 | 105 | static unsigned long utime_since(struct timeval *s, struct timeval *e) |
892199bd JA |
106 | { |
107 | double sec, usec; | |
108 | ||
109 | sec = e->tv_sec - s->tv_sec; | |
110 | usec = e->tv_usec - s->tv_usec; | |
111 | if (sec > 0 && usec < 0) { | |
112 | sec--; | |
113 | usec += 1000000; | |
114 | } | |
115 | ||
116 | sec *= (double) 1000000; | |
117 | ||
118 | return sec + usec; | |
119 | } | |
120 | ||
fd11d7af JA |
121 | static unsigned long utime_since_now(struct timeval *s) |
122 | { | |
123 | struct timeval t; | |
124 | ||
125 | gettimeofday(&t, NULL); | |
126 | return utime_since(s, &t); | |
127 | } | |
128 | ||
5c24b2c4 | 129 | static unsigned long mtime_since(struct timeval *s, struct timeval *e) |
892199bd JA |
130 | { |
131 | double sec, usec; | |
132 | ||
133 | sec = e->tv_sec - s->tv_sec; | |
134 | usec = e->tv_usec - s->tv_usec; | |
135 | if (sec > 0 && usec < 0) { | |
136 | sec--; | |
137 | usec += 1000000; | |
138 | } | |
139 | ||
140 | sec *= (double) 1000; | |
141 | usec /= (double) 1000; | |
142 | ||
143 | return sec + usec; | |
144 | } | |
145 | ||
be33abe4 JA |
146 | static unsigned long mtime_since_now(struct timeval *s) |
147 | { | |
148 | struct timeval t; | |
149 | ||
150 | gettimeofday(&t, NULL); | |
151 | return mtime_since(s, &t); | |
152 | } | |
153 | ||
98168d55 JA |
154 | static inline unsigned long msec_now(struct timeval *s) |
155 | { | |
156 | return s->tv_sec * 1000 + s->tv_usec / 1000; | |
157 | } | |
158 | ||
49d2caab JA |
159 | static int random_map_free(struct thread_data *td, unsigned long long block) |
160 | { | |
75b2ab2c JA |
161 | unsigned int idx = RAND_MAP_IDX(td, block); |
162 | unsigned int bit = RAND_MAP_BIT(td, block); | |
49d2caab JA |
163 | |
164 | return (td->file_map[idx] & (1UL << bit)) == 0; | |
165 | } | |
166 | ||
167 | static int get_next_free_block(struct thread_data *td, unsigned long long *b) | |
892199bd | 168 | { |
49d2caab JA |
169 | int i; |
170 | ||
171 | *b = 0; | |
172 | i = 0; | |
173 | while ((*b) * td->min_bs < td->io_size) { | |
174 | if (td->file_map[i] != -1UL) { | |
175 | *b += ffz(td->file_map[i]); | |
176 | return 0; | |
177 | } | |
178 | ||
179 | *b += BLOCKS_PER_MAP; | |
180 | i++; | |
181 | } | |
182 | ||
183 | return 1; | |
184 | } | |
185 | ||
186 | static void mark_random_map(struct thread_data *td, struct io_u *io_u) | |
187 | { | |
188 | unsigned long block = io_u->offset / td->min_bs; | |
189 | unsigned int blocks = 0; | |
190 | ||
191 | while (blocks < (io_u->buflen / td->min_bs)) { | |
e79c9259 | 192 | unsigned int idx, bit; |
49d2caab JA |
193 | |
194 | if (!random_map_free(td, block)) | |
195 | break; | |
196 | ||
75b2ab2c JA |
197 | idx = RAND_MAP_IDX(td, block); |
198 | bit = RAND_MAP_BIT(td, block); | |
49d2caab JA |
199 | |
200 | assert(idx < td->num_maps); | |
201 | ||
202 | td->file_map[idx] |= (1UL << bit); | |
203 | block++; | |
204 | blocks++; | |
205 | } | |
206 | ||
207 | if ((blocks * td->min_bs) < io_u->buflen) | |
208 | io_u->buflen = blocks * td->min_bs; | |
209 | } | |
210 | ||
211 | static int get_next_offset(struct thread_data *td, unsigned long long *offset) | |
212 | { | |
75b2ab2c | 213 | unsigned long long b, rb; |
d32d9284 | 214 | long r; |
892199bd JA |
215 | |
216 | if (!td->sequential) { | |
49d2caab JA |
217 | unsigned long max_blocks = td->io_size / td->min_bs; |
218 | int loops = 50; | |
219 | ||
220 | do { | |
221 | lrand48_r(&td->random_state, &r); | |
222 | b = ((max_blocks - 1) * r / (RAND_MAX+1.0)); | |
75b2ab2c | 223 | rb = b + (td->file_offset / td->min_bs); |
49d2caab | 224 | loops--; |
75b2ab2c | 225 | } while (!random_map_free(td, rb) && loops); |
49d2caab JA |
226 | |
227 | if (!loops) { | |
228 | if (get_next_free_block(td, &b)) | |
229 | return 1; | |
230 | } | |
7889f07b | 231 | } else |
49d2caab | 232 | b = td->last_bytes / td->min_bs; |
7889f07b | 233 | |
49d2caab | 234 | *offset = (b * td->min_bs) + td->file_offset; |
75b2ab2c JA |
235 | if (*offset > td->file_size) |
236 | return 1; | |
237 | ||
49d2caab | 238 | return 0; |
7889f07b JA |
239 | } |
240 | ||
241 | static unsigned int get_next_buflen(struct thread_data *td) | |
242 | { | |
243 | unsigned int buflen; | |
d32d9284 | 244 | long r; |
7889f07b JA |
245 | |
246 | if (td->min_bs == td->max_bs) | |
247 | buflen = td->min_bs; | |
248 | else { | |
d32d9284 | 249 | lrand48_r(&td->bsrange_state, &r); |
7889f07b JA |
250 | buflen = (1 + (double) (td->max_bs - 1) * r / (RAND_MAX + 1.0)); |
251 | buflen = (buflen + td->min_bs - 1) & ~(td->min_bs - 1); | |
892199bd JA |
252 | } |
253 | ||
49d2caab JA |
254 | if (buflen > td->io_size - td->this_io_bytes) |
255 | buflen = td->io_size - td->this_io_bytes; | |
7889f07b | 256 | |
7889f07b | 257 | return buflen; |
892199bd JA |
258 | } |
259 | ||
e79c9259 | 260 | static inline void add_stat_sample(struct io_stat *is, unsigned long val) |
892199bd | 261 | { |
57d753e3 JA |
262 | if (val > is->max_val) |
263 | is->max_val = val; | |
264 | if (val < is->min_val) | |
265 | is->min_val = val; | |
266 | ||
267 | is->val += val; | |
268 | is->val_sq += val * val; | |
269 | is->samples++; | |
270 | } | |
fd1ae4c9 | 271 | |
40e7bf80 | 272 | static void add_log_sample(struct thread_data *td, struct io_log *iolog, |
a0a9b35b JA |
273 | unsigned long val) |
274 | { | |
40e7bf80 JA |
275 | if (iolog->nr_samples == iolog->max_samples) { |
276 | int new_size = sizeof(struct io_sample) * iolog->max_samples*2; | |
a0a9b35b | 277 | |
40e7bf80 JA |
278 | iolog->log = realloc(iolog->log, new_size); |
279 | iolog->max_samples <<= 1; | |
a0a9b35b JA |
280 | } |
281 | ||
40e7bf80 JA |
282 | iolog->log[iolog->nr_samples].val = val; |
283 | iolog->log[iolog->nr_samples].time = mtime_since_now(&td->start); | |
284 | iolog->nr_samples++; | |
a0a9b35b JA |
285 | } |
286 | ||
57d753e3 JA |
287 | static void add_clat_sample(struct thread_data *td, unsigned long msec) |
288 | { | |
e79c9259 | 289 | add_stat_sample(&td->clat_stat, msec); |
a0a9b35b JA |
290 | |
291 | if (td->lat_log) | |
292 | add_log_sample(td, td->lat_log, msec); | |
57d753e3 | 293 | } |
fd1ae4c9 | 294 | |
57d753e3 JA |
295 | static void add_slat_sample(struct thread_data *td, unsigned long msec) |
296 | { | |
e79c9259 | 297 | add_stat_sample(&td->slat_stat, msec); |
57d753e3 | 298 | } |
fd1ae4c9 | 299 | |
645785e5 | 300 | static void add_bw_sample(struct thread_data *td) |
57d753e3 JA |
301 | { |
302 | unsigned long spent = mtime_since_now(&td->stat_sample_time); | |
303 | unsigned long rate; | |
304 | ||
1d035750 | 305 | if (spent < td->bw_avg_time) |
57d753e3 JA |
306 | return; |
307 | ||
49d2caab | 308 | rate = (td->this_io_bytes - td->stat_io_bytes) / spent; |
e79c9259 | 309 | add_stat_sample(&td->bw_stat, rate); |
57d753e3 | 310 | |
a0a9b35b JA |
311 | if (td->bw_log) |
312 | add_log_sample(td, td->bw_log, rate); | |
313 | ||
57d753e3 | 314 | gettimeofday(&td->stat_sample_time, NULL); |
49d2caab | 315 | td->stat_io_bytes = td->this_io_bytes; |
892199bd JA |
316 | } |
317 | ||
fd11d7af JA |
318 | /* |
319 | * busy looping version for the last few usec | |
320 | */ | |
e79c9259 | 321 | static void __usec_sleep(unsigned int usec) |
fd11d7af JA |
322 | { |
323 | struct timeval start; | |
324 | ||
325 | gettimeofday(&start, NULL); | |
326 | while (utime_since_now(&start) < usec) | |
3782a8cd | 327 | nop; |
fd11d7af JA |
328 | } |
329 | ||
d15c5195 | 330 | static void usec_sleep(struct thread_data *td, unsigned long usec) |
892199bd | 331 | { |
d15c5195 JA |
332 | struct timespec req, rem; |
333 | ||
334 | req.tv_sec = usec / 1000000; | |
335 | req.tv_nsec = usec * 1000 - req.tv_sec * 1000000; | |
892199bd JA |
336 | |
337 | do { | |
fd11d7af JA |
338 | if (usec < 5000) { |
339 | __usec_sleep(usec); | |
340 | break; | |
341 | } | |
d15c5195 | 342 | |
86184d14 | 343 | rem.tv_sec = rem.tv_nsec = 0; |
d15c5195 JA |
344 | if (nanosleep(&req, &rem) < 0) |
345 | break; | |
346 | ||
347 | if ((rem.tv_sec + rem.tv_nsec) == 0) | |
892199bd | 348 | break; |
86184d14 JA |
349 | |
350 | req.tv_nsec = rem.tv_nsec; | |
d15c5195 JA |
351 | req.tv_sec = rem.tv_sec; |
352 | ||
353 | usec = rem.tv_sec * 1000000 + rem.tv_nsec / 1000; | |
354 | } while (!td->terminate); | |
892199bd JA |
355 | } |
356 | ||
9e850933 JA |
357 | static void rate_throttle(struct thread_data *td, unsigned long time_spent, |
358 | unsigned int bytes) | |
86184d14 | 359 | { |
9e850933 JA |
360 | unsigned long usec_cycle; |
361 | ||
4240cfa1 JA |
362 | if (!td->rate) |
363 | return; | |
364 | ||
9e850933 JA |
365 | usec_cycle = td->rate_usec_cycle * (bytes / td->min_bs); |
366 | ||
367 | if (time_spent < usec_cycle) { | |
368 | unsigned long s = usec_cycle - time_spent; | |
86184d14 JA |
369 | |
370 | td->rate_pending_usleep += s; | |
fad86e6a | 371 | if (td->rate_pending_usleep >= 100000) { |
d15c5195 | 372 | usec_sleep(td, td->rate_pending_usleep); |
86184d14 JA |
373 | td->rate_pending_usleep = 0; |
374 | } | |
4240cfa1 | 375 | } else { |
9e850933 | 376 | long overtime = time_spent - usec_cycle; |
42b2b9fe | 377 | |
4240cfa1 JA |
378 | td->rate_pending_usleep -= overtime; |
379 | } | |
380 | } | |
381 | ||
5c24b2c4 | 382 | static int check_min_rate(struct thread_data *td, struct timeval *now) |
4240cfa1 | 383 | { |
7607bc6b | 384 | unsigned long spent; |
4240cfa1 JA |
385 | unsigned long rate; |
386 | ||
387 | /* | |
388 | * allow a 2 second settle period in the beginning | |
389 | */ | |
7607bc6b | 390 | if (mtime_since(&td->start, now) < 2000) |
4240cfa1 JA |
391 | return 0; |
392 | ||
393 | /* | |
394 | * if rate blocks is set, sample is running | |
395 | */ | |
49d2caab | 396 | if (td->rate_bytes) { |
4240cfa1 JA |
397 | spent = mtime_since(&td->lastrate, now); |
398 | if (spent < td->ratecycle) | |
399 | return 0; | |
400 | ||
49d2caab | 401 | rate = (td->this_io_bytes - td->rate_bytes) / spent; |
4240cfa1 JA |
402 | if (rate < td->ratemin) { |
403 | printf("Client%d: min rate %d not met, got %ldKiB/sec\n", td->thread_number, td->ratemin, rate); | |
02bdd9ba | 404 | if (rate_quit) |
27c32a38 | 405 | terminate_threads(td->groupid); |
4240cfa1 JA |
406 | return 1; |
407 | } | |
86184d14 | 408 | } |
4240cfa1 | 409 | |
49d2caab | 410 | td->rate_bytes = td->this_io_bytes; |
4240cfa1 JA |
411 | memcpy(&td->lastrate, now, sizeof(*now)); |
412 | return 0; | |
86184d14 JA |
413 | } |
414 | ||
67903a2e JA |
415 | static inline int runtime_exceeded(struct thread_data *td, struct timeval *t) |
416 | { | |
01f79976 JA |
417 | if (!td->timeout) |
418 | return 0; | |
91e6eb54 | 419 | if (mtime_since(&td->epoch, t) >= td->timeout * 1000) |
67903a2e JA |
420 | return 1; |
421 | ||
422 | return 0; | |
423 | } | |
424 | ||
e8457004 JA |
425 | static void fill_random_bytes(struct thread_data *td, |
426 | unsigned char *p, unsigned int len) | |
427 | { | |
645785e5 | 428 | unsigned int todo; |
40ef7f64 | 429 | double r; |
e8457004 JA |
430 | |
431 | while (len) { | |
40ef7f64 | 432 | drand48_r(&td->verify_state, &r); |
e8457004 | 433 | |
40ef7f64 JA |
434 | /* |
435 | * lrand48_r seems to be broken and only fill the bottom | |
436 | * 32-bits, even on 64-bit archs with 64-bit longs | |
437 | */ | |
438 | todo = sizeof(r); | |
e8457004 JA |
439 | if (todo > len) |
440 | todo = len; | |
441 | ||
442 | memcpy(p, &r, todo); | |
443 | ||
444 | len -= todo; | |
445 | p += todo; | |
446 | } | |
447 | } | |
448 | ||
9d0c6ca2 JA |
449 | static void hexdump(void *buffer, int len) |
450 | { | |
451 | unsigned char *p = buffer; | |
452 | int i; | |
453 | ||
454 | for (i = 0; i < len; i++) | |
455 | printf("%02x", p[i]); | |
456 | printf("\n"); | |
457 | } | |
458 | ||
7f46ef08 JA |
459 | static int verify_io_u_crc32(struct verify_header *hdr, struct io_u *io_u) |
460 | { | |
461 | unsigned char *p = (unsigned char *) io_u->buf; | |
462 | unsigned long c; | |
463 | ||
464 | p += sizeof(*hdr); | |
465 | c = crc32(p, hdr->len - sizeof(*hdr)); | |
466 | ||
467 | return c != hdr->crc32; | |
468 | } | |
469 | ||
470 | static int verify_io_u_md5(struct verify_header *hdr, struct io_u *io_u) | |
e8457004 | 471 | { |
e8457004 JA |
472 | unsigned char *p = (unsigned char *) io_u->buf; |
473 | struct md5_ctx md5_ctx; | |
9d0c6ca2 | 474 | int ret; |
e8457004 | 475 | |
e8457004 JA |
476 | memset(&md5_ctx, 0, sizeof(md5_ctx)); |
477 | p += sizeof(*hdr); | |
478 | md5_update(&md5_ctx, p, hdr->len - sizeof(*hdr)); | |
479 | ||
9d0c6ca2 JA |
480 | ret = memcmp(hdr->md5_digest, md5_ctx.hash, sizeof(md5_ctx.hash)); |
481 | if (ret) { | |
482 | hexdump(hdr->md5_digest, sizeof(hdr->md5_digest)); | |
483 | hexdump(md5_ctx.hash, sizeof(md5_ctx.hash)); | |
484 | } | |
485 | ||
486 | return ret; | |
e8457004 JA |
487 | } |
488 | ||
7f46ef08 JA |
489 | static int verify_io_u(struct io_u *io_u) |
490 | { | |
491 | struct verify_header *hdr = (struct verify_header *) io_u->buf; | |
492 | int ret; | |
493 | ||
494 | if (hdr->fio_magic != FIO_HDR_MAGIC) | |
495 | return 1; | |
496 | ||
497 | if (hdr->verify_type == VERIFY_MD5) | |
498 | ret = verify_io_u_md5(hdr, io_u); | |
499 | else if (hdr->verify_type == VERIFY_CRC32) | |
500 | ret = verify_io_u_crc32(hdr, io_u); | |
501 | else { | |
502 | fprintf(stderr, "Bad verify type %d\n", hdr->verify_type); | |
503 | ret = 1; | |
504 | } | |
505 | ||
506 | return ret; | |
507 | } | |
508 | ||
509 | static void fill_crc32(struct verify_header *hdr, void *p, unsigned int len) | |
510 | { | |
511 | hdr->crc32 = crc32(p, len); | |
512 | } | |
513 | ||
514 | static void fill_md5(struct verify_header *hdr, void *p, unsigned int len) | |
515 | { | |
516 | struct md5_ctx md5_ctx; | |
517 | ||
518 | memset(&md5_ctx, 0, sizeof(md5_ctx)); | |
519 | md5_update(&md5_ctx, p, len); | |
520 | memcpy(hdr->md5_digest, md5_ctx.hash, sizeof(md5_ctx.hash)); | |
521 | } | |
522 | ||
cfc702bd JA |
523 | /* |
524 | * fill body of io_u->buf with random data and add a header with the | |
525 | * (eg) sha1sum of that data. | |
526 | */ | |
e8457004 | 527 | static void populate_io_u(struct thread_data *td, struct io_u *io_u) |
cfc702bd | 528 | { |
e8457004 | 529 | unsigned char *p = (unsigned char *) io_u->buf; |
7f46ef08 | 530 | struct verify_header hdr; |
e8457004 JA |
531 | |
532 | hdr.fio_magic = FIO_HDR_MAGIC; | |
533 | hdr.len = io_u->buflen; | |
534 | p += sizeof(hdr); | |
535 | fill_random_bytes(td, p, io_u->buflen - sizeof(hdr)); | |
536 | ||
7f46ef08 JA |
537 | if (td->verify == VERIFY_MD5) { |
538 | fill_md5(&hdr, p, io_u->buflen - sizeof(hdr)); | |
539 | hdr.verify_type = VERIFY_MD5; | |
540 | } else { | |
541 | fill_crc32(&hdr, p, io_u->buflen - sizeof(hdr)); | |
542 | hdr.verify_type = VERIFY_CRC32; | |
543 | } | |
544 | ||
e8457004 | 545 | memcpy(io_u->buf, &hdr, sizeof(hdr)); |
cfc702bd JA |
546 | } |
547 | ||
2c83567e JA |
548 | static void put_io_u(struct thread_data *td, struct io_u *io_u) |
549 | { | |
550 | list_del(&io_u->list); | |
551 | list_add(&io_u->list, &td->io_u_freelist); | |
552 | td->cur_depth--; | |
553 | } | |
554 | ||
f0f3411b JA |
555 | #define queue_full(td) (list_empty(&(td)->io_u_freelist)) |
556 | ||
e8457004 JA |
557 | static struct io_u *__get_io_u(struct thread_data *td) |
558 | { | |
559 | struct io_u *io_u; | |
560 | ||
f0f3411b | 561 | if (queue_full(td)) |
e8457004 JA |
562 | return NULL; |
563 | ||
564 | io_u = list_entry(td->io_u_freelist.next, struct io_u, list); | |
565 | list_del(&io_u->list); | |
566 | list_add(&io_u->list, &td->io_u_busylist); | |
f4bb2243 | 567 | td->cur_depth++; |
e8457004 JA |
568 | return io_u; |
569 | } | |
570 | ||
2c83567e JA |
571 | static struct io_u *get_io_u(struct thread_data *td) |
572 | { | |
573 | struct io_u *io_u; | |
574 | ||
e8457004 JA |
575 | io_u = __get_io_u(td); |
576 | if (!io_u) | |
2c83567e JA |
577 | return NULL; |
578 | ||
406e7b7c JA |
579 | if (get_next_offset(td, &io_u->offset)) { |
580 | put_io_u(td, io_u); | |
49d2caab | 581 | return NULL; |
406e7b7c | 582 | } |
49d2caab | 583 | |
b2a369fb JA |
584 | io_u->buflen = get_next_buflen(td); |
585 | if (!io_u->buflen) { | |
e8457004 | 586 | put_io_u(td, io_u); |
7889f07b | 587 | return NULL; |
e8457004 | 588 | } |
2c83567e | 589 | |
75b2ab2c JA |
590 | if (io_u->buflen + io_u->offset > td->file_size) |
591 | io_u->buflen = td->file_size - io_u->offset; | |
49d2caab | 592 | |
f5087211 JA |
593 | if (!io_u->buflen) { |
594 | put_io_u(td, io_u); | |
595 | return NULL; | |
596 | } | |
597 | ||
49d2caab JA |
598 | if (!td->sequential) |
599 | mark_random_map(td, io_u); | |
600 | ||
601 | td->last_bytes += io_u->buflen; | |
602 | ||
7f46ef08 | 603 | if (td->verify != VERIFY_NONE) |
e8457004 | 604 | populate_io_u(td, io_u); |
cfc702bd | 605 | |
f5087211 JA |
606 | if (td->io_prep) |
607 | td->io_prep(td, io_u, td_read(td)); | |
2c83567e | 608 | |
57d753e3 | 609 | gettimeofday(&io_u->start_time, NULL); |
2c83567e JA |
610 | return io_u; |
611 | } | |
612 | ||
40ef7f64 JA |
613 | static inline void td_set_runstate(struct thread_data *td, int runstate) |
614 | { | |
615 | td->old_runstate = td->runstate; | |
616 | td->runstate = runstate; | |
617 | } | |
618 | ||
645785e5 JA |
619 | static int get_next_verify(struct thread_data *td, |
620 | unsigned long long *offset, unsigned int *len) | |
621 | { | |
622 | struct io_piece *ipo; | |
623 | ||
624 | if (list_empty(&td->io_hist_list)) | |
625 | return 1; | |
626 | ||
627 | ipo = list_entry(td->io_hist_list.next, struct io_piece, list); | |
628 | list_del(&ipo->list); | |
629 | ||
630 | *offset = ipo->offset; | |
631 | *len = ipo->len; | |
632 | free(ipo); | |
633 | return 0; | |
634 | } | |
635 | ||
9d0c6ca2 JA |
636 | static void prune_io_piece_log(struct thread_data *td) |
637 | { | |
638 | struct io_piece *ipo; | |
639 | ||
640 | while (!list_empty(&td->io_hist_list)) { | |
641 | ipo = list_entry(td->io_hist_list.next, struct io_piece, list); | |
642 | ||
643 | list_del(&ipo->list); | |
644 | free(ipo); | |
645 | } | |
646 | } | |
647 | ||
9d0c6ca2 JA |
648 | /* |
649 | * log a succesful write, so we can unwind the log for verify | |
650 | */ | |
651 | static void log_io_piece(struct thread_data *td, struct io_u *io_u) | |
652 | { | |
49d2caab | 653 | struct io_piece *ipo = malloc(sizeof(struct io_piece)); |
9d0c6ca2 JA |
654 | struct list_head *entry; |
655 | ||
656 | INIT_LIST_HEAD(&ipo->list); | |
657 | ipo->offset = io_u->offset; | |
658 | ipo->len = io_u->buflen; | |
659 | ||
49d2caab JA |
660 | /* |
661 | * for random io where the writes extend the file, it will typically | |
662 | * be laid out with the block scattered as written. it's faster to | |
663 | * read them in in that order again, so don't sort | |
664 | */ | |
665 | if (td->sequential || !td->overwrite) { | |
9d0c6ca2 JA |
666 | list_add_tail(&ipo->list, &td->io_hist_list); |
667 | return; | |
668 | } | |
669 | ||
670 | /* | |
671 | * for random io, sort the list so verify will run faster | |
672 | */ | |
673 | entry = &td->io_hist_list; | |
674 | while ((entry = entry->prev) != &td->io_hist_list) { | |
675 | struct io_piece *__ipo = list_entry(entry, struct io_piece, list); | |
676 | ||
9d0c6ca2 JA |
677 | if (__ipo->offset < ipo->offset) |
678 | break; | |
679 | } | |
680 | ||
681 | list_add(&ipo->list, entry); | |
682 | } | |
683 | ||
91fc5dc9 | 684 | static void do_sync_verify(struct thread_data *td) |
cfc702bd | 685 | { |
40ef7f64 | 686 | struct timeval t; |
e8457004 | 687 | struct io_u *io_u = NULL; |
645785e5 | 688 | int ret; |
e8457004 | 689 | |
40ef7f64 | 690 | td_set_runstate(td, TD_VERIFYING); |
e8457004 JA |
691 | |
692 | io_u = __get_io_u(td); | |
693 | ||
40ef7f64 | 694 | if (!td->odirect) { |
6e2c38cc JA |
695 | if (!td->use_mmap) { |
696 | if (fadvise(td->fd, td->file_offset, td->io_size, POSIX_FADV_DONTNEED) < 0) { | |
b5a4be48 | 697 | td_verror(td, errno); |
6e2c38cc JA |
698 | goto out; |
699 | } | |
700 | } else { | |
701 | if (madvise(td->mmap, td->io_size, MADV_DONTNEED)) { | |
b5a4be48 | 702 | td_verror(td, errno); |
6e2c38cc JA |
703 | goto out; |
704 | } | |
40ef7f64 JA |
705 | } |
706 | } | |
707 | ||
e8457004 JA |
708 | do { |
709 | if (td->terminate) | |
710 | break; | |
40ef7f64 JA |
711 | |
712 | gettimeofday(&t, NULL); | |
713 | if (runtime_exceeded(td, &t)) | |
714 | break; | |
715 | ||
645785e5 JA |
716 | if (get_next_verify(td, &io_u->offset, &io_u->buflen)) |
717 | break; | |
718 | ||
719 | if (td->cur_off != io_u->offset) { | |
720 | if (lseek(td->fd, io_u->offset, SEEK_SET) == -1) { | |
b5a4be48 | 721 | td_verror(td, errno); |
645785e5 JA |
722 | break; |
723 | } | |
724 | } | |
e8457004 JA |
725 | |
726 | ret = read(td->fd, io_u->buf, io_u->buflen); | |
727 | if (ret < (int) io_u->buflen) { | |
728 | if (ret == -1) { | |
b5a4be48 | 729 | td_verror(td, errno); |
e8457004 JA |
730 | break; |
731 | } else if (!ret) | |
732 | break; | |
733 | else | |
734 | io_u->buflen = ret; | |
735 | } | |
736 | ||
645785e5 | 737 | if (verify_io_u(io_u)) |
e8457004 JA |
738 | break; |
739 | ||
645785e5 | 740 | td->cur_off = io_u->offset + io_u->buflen; |
e8457004 JA |
741 | } while (1); |
742 | ||
743 | out: | |
40ef7f64 | 744 | td_set_runstate(td, TD_RUNNING); |
e8457004 | 745 | put_io_u(td, io_u); |
cfc702bd JA |
746 | } |
747 | ||
6e2c38cc JA |
748 | static int __do_sync_mmap(struct thread_data *td, struct io_u *io_u) |
749 | { | |
750 | unsigned long long real_off = io_u->offset - td->file_offset; | |
751 | ||
752 | if (td_read(td)) | |
753 | memcpy(io_u->buf, td->mmap + real_off, io_u->buflen); | |
754 | else | |
755 | memcpy(td->mmap + real_off, io_u->buf, io_u->buflen); | |
c009cdac JA |
756 | |
757 | /* | |
758 | * not really direct, but should drop the pages from the cache | |
759 | */ | |
760 | if (td->odirect) { | |
761 | msync(td->mmap + real_off, io_u->buflen, MS_SYNC); | |
762 | madvise(td->mmap + real_off, io_u->buflen, MADV_DONTNEED); | |
763 | } | |
6e2c38cc JA |
764 | |
765 | return io_u->buflen; | |
766 | } | |
767 | ||
768 | static int __do_sync_rw(struct thread_data *td, struct io_u *io_u) | |
769 | { | |
770 | if (td->cur_off != io_u->offset) { | |
771 | if (lseek(td->fd, io_u->offset, SEEK_SET) == -1) { | |
b5a4be48 | 772 | td_verror(td, errno); |
6e2c38cc JA |
773 | return 1; |
774 | } | |
775 | } | |
776 | ||
777 | if (td_read(td)) | |
778 | return read(td->fd, io_u->buf, io_u->buflen); | |
779 | else | |
780 | return write(td->fd, io_u->buf, io_u->buflen); | |
781 | } | |
782 | ||
783 | static void sync_td(struct thread_data *td) | |
784 | { | |
785 | if (!td->use_mmap) | |
786 | fsync(td->fd); | |
787 | else | |
788 | msync(td->mmap, td->file_size, MS_SYNC); | |
789 | } | |
790 | ||
43000118 | 791 | static void do_sync_io(struct thread_data *td) |
892199bd | 792 | { |
7889f07b | 793 | unsigned long msec, usec; |
e8457004 | 794 | struct io_u *io_u = NULL; |
2c83567e | 795 | struct timeval e; |
892199bd | 796 | |
49d2caab | 797 | while (td->this_io_bytes < td->io_size) { |
892199bd JA |
798 | int ret; |
799 | ||
800 | if (td->terminate) | |
801 | break; | |
802 | ||
2c83567e | 803 | io_u = get_io_u(td); |
7889f07b JA |
804 | if (!io_u) |
805 | break; | |
2c83567e | 806 | |
6e2c38cc JA |
807 | if (!td->use_mmap) |
808 | ret = __do_sync_rw(td, io_u); | |
892199bd | 809 | else |
6e2c38cc | 810 | ret = __do_sync_mmap(td, io_u); |
892199bd | 811 | |
2c83567e | 812 | if (ret < (int) io_u->buflen) { |
892199bd | 813 | if (ret == -1) |
b5a4be48 | 814 | td_verror(td, errno); |
892199bd JA |
815 | break; |
816 | } | |
817 | ||
62bb4285 | 818 | if (td_write(td)) |
645785e5 JA |
819 | log_io_piece(td, io_u); |
820 | ||
4240cfa1 | 821 | td->io_blocks++; |
49d2caab JA |
822 | td->io_bytes += io_u->buflen; |
823 | td->this_io_bytes += io_u->buflen; | |
63a09e51 | 824 | td->cur_off = io_u->offset + io_u->buflen; |
4240cfa1 | 825 | |
86184d14 JA |
826 | gettimeofday(&e, NULL); |
827 | ||
57d753e3 | 828 | usec = utime_since(&io_u->start_time, &e); |
86184d14 | 829 | |
9e850933 | 830 | rate_throttle(td, usec, io_u->buflen); |
892199bd | 831 | |
4240cfa1 | 832 | if (check_min_rate(td, &e)) { |
b5a4be48 | 833 | td_verror(td, ENODATA); |
4240cfa1 JA |
834 | break; |
835 | } | |
892199bd | 836 | |
4240cfa1 | 837 | msec = usec / 1000; |
57d753e3 | 838 | add_clat_sample(td, msec); |
645785e5 | 839 | add_bw_sample(td); |
67903a2e JA |
840 | |
841 | if (runtime_exceeded(td, &e)) | |
842 | break; | |
2c83567e | 843 | |
cdf92433 | 844 | put_io_u(td, io_u); |
e8457004 | 845 | io_u = NULL; |
cdf92433 | 846 | |
e97712ed | 847 | if (td->thinktime) |
d15c5195 | 848 | usec_sleep(td, td->thinktime); |
e97712ed | 849 | |
cdf92433 JA |
850 | if (should_fsync(td) && td->fsync_blocks && |
851 | (td->io_blocks % td->fsync_blocks) == 0) | |
6e2c38cc | 852 | sync_td(td); |
892199bd JA |
853 | } |
854 | ||
e8457004 JA |
855 | if (io_u) |
856 | put_io_u(td, io_u); | |
857 | ||
4240cfa1 | 858 | if (should_fsync(td)) |
6e2c38cc | 859 | sync_td(td); |
892199bd | 860 | } |
43000118 | 861 | |
1ad72b11 JA |
862 | static int io_u_getevents(struct thread_data *td, int min, int max, |
863 | struct timespec *t) | |
864 | { | |
f5087211 | 865 | return td->io_getevents(td, min, max, t); |
1ad72b11 JA |
866 | } |
867 | ||
2c83567e | 868 | static int io_u_queue(struct thread_data *td, struct io_u *io_u) |
56b0eff0 | 869 | { |
f5087211 | 870 | return td->io_queue(td, io_u); |
56b0eff0 JA |
871 | } |
872 | ||
98168d55 | 873 | #define iocb_time(iocb) ((unsigned long) (iocb)->data) |
2c83567e | 874 | |
f0f3411b | 875 | static int ios_completed(struct thread_data *td, int nr) |
2c83567e JA |
876 | { |
877 | unsigned long msec; | |
878 | struct io_u *io_u; | |
879 | struct timeval e; | |
9e850933 | 880 | int i, bytes_done; |
2c83567e | 881 | |
f0f3411b | 882 | gettimeofday(&e, NULL); |
2c83567e | 883 | |
9e850933 | 884 | for (i = 0, bytes_done = 0; i < nr; i++) { |
f5087211 | 885 | io_u = td->io_event(td, i); |
2c83567e | 886 | |
f0f3411b | 887 | td->io_blocks++; |
49d2caab JA |
888 | td->io_bytes += io_u->buflen; |
889 | td->this_io_bytes += io_u->buflen; | |
8c033f93 | 890 | |
f0f3411b | 891 | msec = mtime_since(&io_u->issue_time, &e); |
2c83567e | 892 | |
f0f3411b | 893 | add_clat_sample(td, msec); |
645785e5 JA |
894 | add_bw_sample(td); |
895 | ||
62bb4285 | 896 | if (td_write(td)) |
645785e5 | 897 | log_io_piece(td, io_u); |
2c83567e | 898 | |
f4bb2243 | 899 | bytes_done += io_u->buflen; |
2c83567e JA |
900 | put_io_u(td, io_u); |
901 | } | |
9e850933 JA |
902 | |
903 | return bytes_done; | |
2c83567e JA |
904 | } |
905 | ||
906 | static void cleanup_pending_aio(struct thread_data *td) | |
907 | { | |
908 | struct timespec ts = { .tv_sec = 0, .tv_nsec = 0}; | |
909 | struct list_head *entry, *n; | |
910 | struct io_u *io_u; | |
911 | int r; | |
912 | ||
913 | /* | |
914 | * get immediately available events, if any | |
915 | */ | |
1ad72b11 | 916 | r = io_u_getevents(td, 0, td->cur_depth, &ts); |
2c83567e | 917 | if (r > 0) |
f0f3411b | 918 | ios_completed(td, r); |
2c83567e JA |
919 | |
920 | /* | |
921 | * now cancel remaining active events | |
922 | */ | |
923 | list_for_each_safe(entry, n, &td->io_u_busylist) { | |
924 | io_u = list_entry(entry, struct io_u, list); | |
925 | ||
f5087211 | 926 | r = td->io_cancel(td, io_u); |
2c83567e JA |
927 | if (!r) |
928 | put_io_u(td, io_u); | |
929 | } | |
930 | ||
931 | if (td->cur_depth) { | |
1ad72b11 | 932 | r = io_u_getevents(td, td->cur_depth, td->cur_depth, NULL); |
2c83567e | 933 | if (r > 0) |
f0f3411b | 934 | ios_completed(td, r); |
2c83567e JA |
935 | } |
936 | } | |
98168d55 | 937 | |
d32d9284 JA |
938 | static int async_do_verify(struct thread_data *td, struct io_u **io_u) |
939 | { | |
940 | struct io_u *v_io_u = *io_u; | |
941 | int ret = 0; | |
942 | ||
943 | if (v_io_u) { | |
645785e5 | 944 | ret = verify_io_u(v_io_u); |
d32d9284 JA |
945 | put_io_u(td, v_io_u); |
946 | *io_u = NULL; | |
947 | } | |
948 | ||
949 | return ret; | |
950 | } | |
951 | ||
91fc5dc9 | 952 | static void do_async_verify(struct thread_data *td) |
cfc702bd | 953 | { |
f4bb2243 | 954 | struct timeval t; |
d32d9284 | 955 | struct io_u *io_u, *v_io_u = NULL; |
645785e5 | 956 | int ret; |
f4bb2243 JA |
957 | |
958 | td_set_runstate(td, TD_VERIFYING); | |
959 | ||
f4bb2243 JA |
960 | do { |
961 | if (td->terminate) | |
962 | break; | |
963 | ||
964 | gettimeofday(&t, NULL); | |
965 | if (runtime_exceeded(td, &t)) | |
966 | break; | |
967 | ||
968 | io_u = __get_io_u(td); | |
969 | if (!io_u) | |
970 | break; | |
971 | ||
645785e5 JA |
972 | if (get_next_verify(td, &io_u->offset, &io_u->buflen)) { |
973 | put_io_u(td, io_u); | |
974 | break; | |
f4bb2243 JA |
975 | } |
976 | ||
f5087211 JA |
977 | td->io_prep(td, io_u, 1); |
978 | ||
f4bb2243 JA |
979 | ret = io_u_queue(td, io_u); |
980 | if (ret) { | |
981 | put_io_u(td, io_u); | |
b5a4be48 | 982 | td_verror(td, ret); |
f4bb2243 JA |
983 | break; |
984 | } | |
985 | ||
f0f3411b JA |
986 | /* |
987 | * we have one pending to verify, do that while the next | |
988 | * we are doing io on the next one | |
989 | */ | |
d32d9284 JA |
990 | if (async_do_verify(td, &v_io_u)) |
991 | break; | |
f0f3411b | 992 | |
1ad72b11 | 993 | ret = io_u_getevents(td, 1, 1, NULL); |
f0f3411b JA |
994 | if (ret != 1) { |
995 | if (ret < 0) | |
b5a4be48 | 996 | td_verror(td, ret); |
f4bb2243 JA |
997 | break; |
998 | } | |
999 | ||
f5087211 | 1000 | v_io_u = td->io_event(td, 0); |
f4bb2243 | 1001 | |
645785e5 | 1002 | td->cur_off = v_io_u->offset + v_io_u->buflen; |
f0f3411b JA |
1003 | |
1004 | /* | |
d32d9284 | 1005 | * if we can't submit more io, we need to verify now |
f0f3411b | 1006 | */ |
d32d9284 JA |
1007 | if (queue_full(td) && async_do_verify(td, &v_io_u)) |
1008 | break; | |
1009 | ||
f4bb2243 JA |
1010 | } while (1); |
1011 | ||
d32d9284 | 1012 | async_do_verify(td, &v_io_u); |
f0f3411b | 1013 | |
f4bb2243 JA |
1014 | if (td->cur_depth) |
1015 | cleanup_pending_aio(td); | |
1016 | ||
1017 | td_set_runstate(td, TD_RUNNING); | |
cfc702bd JA |
1018 | } |
1019 | ||
43000118 JA |
1020 | static void do_async_io(struct thread_data *td) |
1021 | { | |
1022 | struct timeval s, e; | |
7889f07b | 1023 | unsigned long usec; |
43000118 | 1024 | |
49d2caab | 1025 | while (td->this_io_bytes < td->io_size) { |
43000118 JA |
1026 | struct timespec ts = { .tv_sec = 0, .tv_nsec = 0}; |
1027 | struct timespec *timeout; | |
2c83567e JA |
1028 | int ret, min_evts = 0; |
1029 | struct io_u *io_u; | |
9e850933 | 1030 | unsigned int bytes_done; |
43000118 JA |
1031 | |
1032 | if (td->terminate) | |
1033 | break; | |
1034 | ||
2c83567e | 1035 | io_u = get_io_u(td); |
7889f07b JA |
1036 | if (!io_u) |
1037 | break; | |
43000118 | 1038 | |
57d753e3 | 1039 | memcpy(&s, &io_u->start_time, sizeof(s)); |
8baf1bcc | 1040 | |
2c83567e | 1041 | ret = io_u_queue(td, io_u); |
56b0eff0 | 1042 | if (ret) { |
a3fdb993 | 1043 | put_io_u(td, io_u); |
b5a4be48 | 1044 | td_verror(td, ret); |
43000118 JA |
1045 | break; |
1046 | } | |
1047 | ||
57d753e3 JA |
1048 | gettimeofday(&io_u->issue_time, NULL); |
1049 | add_slat_sample(td, mtime_since(&io_u->start_time, &io_u->issue_time)); | |
2c83567e | 1050 | if (td->cur_depth < td->aio_depth) { |
43000118 JA |
1051 | timeout = &ts; |
1052 | min_evts = 0; | |
1053 | } else { | |
1054 | timeout = NULL; | |
1055 | min_evts = 1; | |
1056 | } | |
1057 | ||
1ad72b11 | 1058 | ret = io_u_getevents(td, min_evts, td->cur_depth, timeout); |
43000118 | 1059 | if (ret < 0) { |
b5a4be48 | 1060 | td_verror(td, ret); |
43000118 JA |
1061 | break; |
1062 | } else if (!ret) | |
1063 | continue; | |
1064 | ||
f0f3411b | 1065 | bytes_done = ios_completed(td, ret); |
43000118 | 1066 | |
98168d55 JA |
1067 | /* |
1068 | * the rate is batched for now, it should work for batches | |
1069 | * of completions except the very first one which may look | |
1070 | * a little bursty | |
1071 | */ | |
2c83567e | 1072 | gettimeofday(&e, NULL); |
43000118 JA |
1073 | usec = utime_since(&s, &e); |
1074 | ||
9e850933 | 1075 | rate_throttle(td, usec, bytes_done); |
43000118 JA |
1076 | |
1077 | if (check_min_rate(td, &e)) { | |
b5a4be48 | 1078 | td_verror(td, ENODATA); |
43000118 JA |
1079 | break; |
1080 | } | |
67903a2e JA |
1081 | |
1082 | if (runtime_exceeded(td, &e)) | |
1083 | break; | |
765d9223 JA |
1084 | |
1085 | if (td->thinktime) | |
d15c5195 | 1086 | usec_sleep(td, td->thinktime); |
cdf92433 JA |
1087 | |
1088 | if (should_fsync(td) && td->fsync_blocks && | |
1089 | (td->io_blocks % td->fsync_blocks) == 0) | |
1090 | fsync(td->fd); | |
43000118 | 1091 | } |
56b0eff0 | 1092 | |
2c83567e JA |
1093 | if (td->cur_depth) |
1094 | cleanup_pending_aio(td); | |
4ac89145 JA |
1095 | |
1096 | if (should_fsync(td)) | |
1097 | fsync(td->fd); | |
56b0eff0 JA |
1098 | } |
1099 | ||
1100 | static void cleanup_aio(struct thread_data *td) | |
1101 | { | |
f5087211 JA |
1102 | if (td->io_engine == FIO_LIBAIO) |
1103 | fio_libaio_cleanup(td); | |
1104 | else if (td->io_engine == FIO_POSIXAIO) | |
1105 | fio_posixaio_cleanup(td); | |
43000118 JA |
1106 | } |
1107 | ||
1108 | static int init_aio(struct thread_data *td) | |
1109 | { | |
f5087211 JA |
1110 | if (td->io_engine == FIO_LIBAIO) |
1111 | return fio_libaio_init(td); | |
1112 | else if (td->io_engine == FIO_POSIXAIO) | |
1113 | return fio_posixaio_init(td); | |
1114 | else { | |
1115 | fprintf(stderr, "bad io_engine %d\n", td->io_engine); | |
43000118 JA |
1116 | return 1; |
1117 | } | |
43000118 JA |
1118 | } |
1119 | ||
2c83567e JA |
1120 | static void cleanup_io_u(struct thread_data *td) |
1121 | { | |
1122 | struct list_head *entry, *n; | |
1123 | struct io_u *io_u; | |
1124 | ||
1125 | list_for_each_safe(entry, n, &td->io_u_freelist) { | |
1126 | io_u = list_entry(entry, struct io_u, list); | |
1127 | ||
1128 | list_del(&io_u->list); | |
2c83567e JA |
1129 | free(io_u); |
1130 | } | |
6b71c826 | 1131 | |
99c6704f JA |
1132 | if (td->mem_type == MEM_MALLOC) |
1133 | free(td->orig_buffer); | |
1134 | else if (td->mem_type == MEM_SHM) { | |
1135 | struct shmid_ds sbuf; | |
1136 | ||
1137 | shmdt(td->orig_buffer); | |
1138 | shmctl(td->shm_id, IPC_RMID, &sbuf); | |
891e70f8 JA |
1139 | } else if (td->mem_type == MEM_MMAP) |
1140 | munmap(td->orig_buffer, td->orig_buffer_size); | |
1141 | else | |
1142 | fprintf(stderr, "Bad memory type %d\n", td->mem_type); | |
1143 | ||
1144 | td->orig_buffer = NULL; | |
2c83567e JA |
1145 | } |
1146 | ||
99c6704f | 1147 | static int init_io_u(struct thread_data *td) |
2c83567e JA |
1148 | { |
1149 | struct io_u *io_u; | |
891e70f8 | 1150 | int i, max_units; |
6b71c826 | 1151 | char *p; |
2c83567e | 1152 | |
f5087211 | 1153 | if (td->io_engine == FIO_SYNCIO) |
2c83567e JA |
1154 | max_units = 1; |
1155 | else | |
1156 | max_units = td->aio_depth; | |
1157 | ||
891e70f8 | 1158 | td->orig_buffer_size = td->max_bs * max_units + MASK; |
99c6704f JA |
1159 | |
1160 | if (td->mem_type == MEM_MALLOC) | |
891e70f8 | 1161 | td->orig_buffer = malloc(td->orig_buffer_size); |
99c6704f | 1162 | else if (td->mem_type == MEM_SHM) { |
891e70f8 | 1163 | td->shm_id = shmget(IPC_PRIVATE, td->orig_buffer_size, IPC_CREAT | 0600); |
99c6704f | 1164 | if (td->shm_id < 0) { |
b5a4be48 | 1165 | td_verror(td, errno); |
99c6704f JA |
1166 | perror("shmget"); |
1167 | return 1; | |
1168 | } | |
1169 | ||
1170 | td->orig_buffer = shmat(td->shm_id, NULL, 0); | |
1171 | if (td->orig_buffer == (void *) -1) { | |
b5a4be48 | 1172 | td_verror(td, errno); |
99c6704f | 1173 | perror("shmat"); |
891e70f8 JA |
1174 | td->orig_buffer = NULL; |
1175 | return 1; | |
1176 | } | |
1177 | } else if (td->mem_type == MEM_MMAP) { | |
1178 | td->orig_buffer = mmap(NULL, td->orig_buffer_size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, 0, 0); | |
1179 | if (td->orig_buffer == MAP_FAILED) { | |
b5a4be48 | 1180 | td_verror(td, errno); |
891e70f8 JA |
1181 | perror("mmap"); |
1182 | td->orig_buffer = NULL; | |
99c6704f JA |
1183 | return 1; |
1184 | } | |
1185 | } | |
6b71c826 | 1186 | |
2c83567e JA |
1187 | INIT_LIST_HEAD(&td->io_u_freelist); |
1188 | INIT_LIST_HEAD(&td->io_u_busylist); | |
645785e5 | 1189 | INIT_LIST_HEAD(&td->io_hist_list); |
2c83567e | 1190 | |
99c6704f | 1191 | p = ALIGN(td->orig_buffer); |
2c83567e JA |
1192 | for (i = 0; i < max_units; i++) { |
1193 | io_u = malloc(sizeof(*io_u)); | |
1194 | memset(io_u, 0, sizeof(*io_u)); | |
1195 | INIT_LIST_HEAD(&io_u->list); | |
1196 | ||
7889f07b | 1197 | io_u->buf = p + td->max_bs * i; |
2c83567e JA |
1198 | list_add(&io_u->list, &td->io_u_freelist); |
1199 | } | |
99c6704f JA |
1200 | |
1201 | return 0; | |
2c83567e JA |
1202 | } |
1203 | ||
ea6b64b1 JA |
1204 | static int create_file(struct thread_data *td, unsigned long long size, |
1205 | int extend) | |
02983297 | 1206 | { |
7889f07b | 1207 | unsigned long long left; |
645785e5 | 1208 | unsigned int bs; |
ea6b64b1 | 1209 | int r, oflags; |
02983297 JA |
1210 | char *b; |
1211 | ||
02983297 JA |
1212 | /* |
1213 | * unless specifically asked for overwrite, let normal io extend it | |
1214 | */ | |
62bb4285 | 1215 | if (td_write(td) && !td->overwrite) |
02983297 JA |
1216 | return 0; |
1217 | ||
ea6b64b1 | 1218 | if (!size) { |
57d753e3 | 1219 | fprintf(stderr, "Need size for create\n"); |
b5a4be48 | 1220 | td_verror(td, EINVAL); |
57d753e3 JA |
1221 | return 1; |
1222 | } | |
1223 | ||
ea6b64b1 JA |
1224 | if (!extend) { |
1225 | oflags = O_CREAT | O_TRUNC; | |
1226 | printf("Client%d: Laying out IO file (%LuMiB)\n", td->thread_number, size >> 20); | |
1227 | } else { | |
1228 | oflags = O_APPEND; | |
1229 | printf("Client%d: Extending IO file (%Lu -> %LuMiB)\n", td->thread_number, (td->file_size - size) >> 20, td->file_size >> 20); | |
1230 | } | |
42fd89a7 | 1231 | |
ea6b64b1 | 1232 | td->fd = open(td->file_name, O_WRONLY | oflags, 0644); |
02983297 | 1233 | if (td->fd < 0) { |
b5a4be48 | 1234 | td_verror(td, errno); |
02983297 JA |
1235 | return 1; |
1236 | } | |
1237 | ||
ea6b64b1 | 1238 | if (!extend && ftruncate(td->fd, td->file_size) == -1) { |
b5a4be48 | 1239 | td_verror(td, errno); |
c94deb1c JA |
1240 | return 1; |
1241 | } | |
1242 | ||
49d2caab | 1243 | td->io_size = td->file_size; |
7889f07b JA |
1244 | b = malloc(td->max_bs); |
1245 | memset(b, 0, td->max_bs); | |
1246 | ||
ea6b64b1 | 1247 | left = size; |
b31d826c | 1248 | while (left && !td->terminate) { |
7889f07b JA |
1249 | bs = td->max_bs; |
1250 | if (bs > left) | |
1251 | bs = left; | |
02983297 | 1252 | |
7889f07b | 1253 | r = write(td->fd, b, bs); |
02983297 | 1254 | |
645785e5 | 1255 | if (r == (int) bs) { |
7889f07b | 1256 | left -= bs; |
02983297 | 1257 | continue; |
7889f07b | 1258 | } else { |
02983297 | 1259 | if (r < 0) |
b5a4be48 | 1260 | td_verror(td, errno); |
02983297 | 1261 | else |
b5a4be48 | 1262 | td_verror(td, EIO); |
02983297 JA |
1263 | |
1264 | break; | |
1265 | } | |
1266 | } | |
1267 | ||
b31d826c JA |
1268 | if (td->terminate) |
1269 | unlink(td->file_name); | |
1270 | else if (td->create_fsync) | |
fc097bfe JA |
1271 | fsync(td->fd); |
1272 | ||
02983297 JA |
1273 | close(td->fd); |
1274 | td->fd = -1; | |
1275 | free(b); | |
1276 | return 0; | |
1277 | } | |
1278 | ||
c4c8f7b3 | 1279 | static int file_size(struct thread_data *td) |
02983297 JA |
1280 | { |
1281 | struct stat st; | |
c94deb1c JA |
1282 | |
1283 | if (fstat(td->fd, &st) == -1) { | |
b5a4be48 | 1284 | td_verror(td, errno); |
c94deb1c JA |
1285 | return 1; |
1286 | } | |
1287 | ||
c6ea46a7 JA |
1288 | if (!td->file_size) |
1289 | td->file_size = st.st_size; | |
c4c8f7b3 JA |
1290 | |
1291 | return 0; | |
1292 | } | |
1293 | ||
1294 | static int bdev_size(struct thread_data *td) | |
1295 | { | |
1296 | size_t bytes; | |
c94deb1c | 1297 | |
c4c8f7b3 | 1298 | if (ioctl(td->fd, BLKGETSIZE64, &bytes) < 0) { |
b5a4be48 | 1299 | td_verror(td, errno); |
c4c8f7b3 | 1300 | return 1; |
c94deb1c JA |
1301 | } |
1302 | ||
c6ea46a7 JA |
1303 | /* |
1304 | * no extend possibilities, so limit size to device size if too large | |
1305 | */ | |
1306 | if (!td->file_size || td->file_size > bytes) | |
c4c8f7b3 JA |
1307 | td->file_size = bytes; |
1308 | ||
1309 | return 0; | |
1310 | } | |
1311 | ||
1312 | static int get_file_size(struct thread_data *td) | |
1313 | { | |
1314 | int ret; | |
1315 | ||
1316 | if (td->filetype == FIO_TYPE_FILE) | |
1317 | ret = file_size(td); | |
1318 | else | |
1319 | ret = bdev_size(td); | |
1320 | ||
1321 | if (ret) | |
1322 | return ret; | |
1323 | ||
1324 | if (td->file_offset > td->file_size) { | |
091d845a | 1325 | fprintf(stderr, "Client%d: offset larger than length (%Lu > %Lu)\n", td->thread_number, td->file_offset, td->file_size); |
c94deb1c JA |
1326 | return 1; |
1327 | } | |
1328 | ||
c4c8f7b3 | 1329 | td->io_size = td->file_size - td->file_offset; |
c94deb1c JA |
1330 | if (td->io_size == 0) { |
1331 | fprintf(stderr, "Client%d: no io blocks\n", td->thread_number); | |
b5a4be48 | 1332 | td_verror(td, EINVAL); |
c94deb1c JA |
1333 | return 1; |
1334 | } | |
1335 | ||
1336 | return 0; | |
1337 | } | |
1338 | ||
6e2c38cc JA |
1339 | static int setup_file_mmap(struct thread_data *td) |
1340 | { | |
1341 | int flags; | |
1342 | ||
1343 | if (td_read(td)) | |
1344 | flags = PROT_READ; | |
1345 | else { | |
1346 | flags = PROT_WRITE; | |
1347 | ||
7f46ef08 | 1348 | if (td->verify != VERIFY_NONE) |
6e2c38cc JA |
1349 | flags |= PROT_READ; |
1350 | } | |
1351 | ||
1352 | td->mmap = mmap(NULL, td->file_size, flags, MAP_SHARED, td->fd, td->file_offset); | |
1353 | if (td->mmap == MAP_FAILED) { | |
1354 | td->mmap = NULL; | |
b5a4be48 | 1355 | td_verror(td, errno); |
6e2c38cc JA |
1356 | return 1; |
1357 | } | |
1358 | ||
1359 | if (td->invalidate_cache) { | |
1360 | if (madvise(td->mmap, td->file_size, MADV_DONTNEED) < 0) { | |
b5a4be48 | 1361 | td_verror(td, errno); |
6e2c38cc JA |
1362 | return 1; |
1363 | } | |
1364 | } | |
1365 | ||
1366 | if (td->sequential) { | |
1367 | if (madvise(td->mmap, td->file_size, MADV_SEQUENTIAL) < 0) { | |
b5a4be48 | 1368 | td_verror(td, errno); |
6e2c38cc JA |
1369 | return 1; |
1370 | } | |
1371 | } else { | |
1372 | if (madvise(td->mmap, td->file_size, MADV_RANDOM) < 0) { | |
b5a4be48 | 1373 | td_verror(td, errno); |
6e2c38cc JA |
1374 | return 1; |
1375 | } | |
1376 | } | |
1377 | ||
1378 | return 0; | |
1379 | } | |
1380 | ||
1381 | static int setup_file_plain(struct thread_data *td) | |
1382 | { | |
1383 | if (td->invalidate_cache) { | |
1384 | if (fadvise(td->fd, td->file_offset, td->file_size, POSIX_FADV_DONTNEED) < 0) { | |
b5a4be48 | 1385 | td_verror(td, errno); |
6e2c38cc JA |
1386 | return 1; |
1387 | } | |
1388 | } | |
1389 | ||
1390 | if (td->sequential) { | |
1391 | if (fadvise(td->fd, td->file_offset, td->file_size, POSIX_FADV_SEQUENTIAL) < 0) { | |
b5a4be48 | 1392 | td_verror(td, errno); |
6e2c38cc JA |
1393 | return 1; |
1394 | } | |
1395 | } else { | |
1396 | if (fadvise(td->fd, td->file_offset, td->file_size, POSIX_FADV_RANDOM) < 0) { | |
b5a4be48 | 1397 | td_verror(td, errno); |
6e2c38cc JA |
1398 | return 1; |
1399 | } | |
1400 | } | |
1401 | ||
1402 | return 0; | |
1403 | } | |
1404 | ||
c94deb1c JA |
1405 | static int setup_file(struct thread_data *td) |
1406 | { | |
ea6b64b1 | 1407 | struct stat st; |
02983297 JA |
1408 | int flags = 0; |
1409 | ||
ea6b64b1 JA |
1410 | if (stat(td->file_name, &st) == -1) { |
1411 | if (errno != ENOENT) { | |
b5a4be48 | 1412 | td_verror(td, errno); |
ea6b64b1 JA |
1413 | return 1; |
1414 | } | |
02983297 | 1415 | if (!td->create_file) { |
b5a4be48 | 1416 | td_verror(td, ENOENT); |
02983297 JA |
1417 | return 1; |
1418 | } | |
ea6b64b1 JA |
1419 | if (create_file(td, td->file_size, 0)) |
1420 | return 1; | |
c6ea46a7 JA |
1421 | } else if (td->filetype == FIO_TYPE_FILE) { |
1422 | if (st.st_size < td->file_size) { | |
1423 | if (create_file(td, td->file_size - st.st_size, 1)) | |
1424 | return 1; | |
1425 | } | |
02983297 JA |
1426 | } |
1427 | ||
1428 | if (td->odirect) | |
1429 | flags |= O_DIRECT; | |
1430 | ||
1431 | if (td_read(td)) | |
1432 | td->fd = open(td->file_name, flags | O_RDONLY); | |
1433 | else { | |
c6ea46a7 JA |
1434 | if (td->filetype == FIO_TYPE_FILE) { |
1435 | if (!td->overwrite) | |
1436 | flags |= O_TRUNC; | |
1437 | ||
1438 | flags |= O_CREAT; | |
1439 | } | |
74b4b5fb JA |
1440 | if (td->sync_io) |
1441 | flags |= O_SYNC; | |
6e2c38cc JA |
1442 | |
1443 | flags |= O_RDWR; | |
02983297 | 1444 | |
c6ea46a7 | 1445 | td->fd = open(td->file_name, flags, 0600); |
02983297 JA |
1446 | } |
1447 | ||
1448 | if (td->fd == -1) { | |
b5a4be48 | 1449 | td_verror(td, errno); |
02983297 JA |
1450 | return 1; |
1451 | } | |
1452 | ||
c94deb1c | 1453 | if (get_file_size(td)) |
49d2caab | 1454 | return 1; |
49d2caab | 1455 | |
6e2c38cc JA |
1456 | if (!td->use_mmap) |
1457 | return setup_file_plain(td); | |
1458 | else | |
1459 | return setup_file_mmap(td); | |
02983297 JA |
1460 | } |
1461 | ||
debf703a JA |
1462 | static int check_dev_match(dev_t dev, char *path) |
1463 | { | |
e79c9259 | 1464 | unsigned int major, minor; |
debf703a JA |
1465 | char line[256], *p; |
1466 | FILE *f; | |
1467 | ||
1468 | f = fopen(path, "r"); | |
1469 | if (!f) { | |
1470 | perror("open path"); | |
1471 | return 1; | |
1472 | } | |
1473 | ||
1474 | p = fgets(line, sizeof(line), f); | |
1475 | if (!p) { | |
1476 | fclose(f); | |
1477 | return 1; | |
1478 | } | |
1479 | ||
1480 | if (sscanf(p, "%u:%u", &major, &minor) != 2) { | |
1481 | fclose(f); | |
1482 | return 1; | |
1483 | } | |
1484 | ||
1485 | if (((major << 8) | minor) == dev) { | |
1486 | fclose(f); | |
1487 | return 0; | |
1488 | } | |
1489 | ||
1490 | fclose(f); | |
1491 | return 1; | |
1492 | } | |
1493 | ||
1494 | static char *find_block_dir(dev_t dev, char *path) | |
1495 | { | |
1496 | struct dirent *dir; | |
1497 | char *found = NULL; | |
1498 | struct stat st; | |
1499 | DIR *D; | |
1500 | ||
1501 | D = opendir(path); | |
1502 | if (!D) | |
1503 | return NULL; | |
1504 | ||
1505 | while ((dir = readdir(D)) != NULL) { | |
1506 | char full_path[256]; | |
1507 | ||
1508 | if (!strcmp(dir->d_name, ".") || !strcmp(dir->d_name, "..")) | |
1509 | continue; | |
1510 | if (!strcmp(dir->d_name, "device")) | |
1511 | continue; | |
1512 | ||
1513 | sprintf(full_path, "%s/%s", path, dir->d_name); | |
1514 | ||
1515 | if (!strcmp(dir->d_name, "dev")) { | |
1516 | if (!check_dev_match(dev, full_path)) { | |
1517 | found = path; | |
1518 | break; | |
1519 | } | |
1520 | } | |
1521 | ||
1522 | if (stat(full_path, &st) == -1) { | |
1523 | perror("stat"); | |
1524 | break; | |
1525 | } | |
1526 | ||
1527 | if (!S_ISDIR(st.st_mode) || S_ISLNK(st.st_mode)) | |
1528 | continue; | |
1529 | ||
1530 | if ((found = find_block_dir(dev, full_path)) != NULL) | |
1531 | break; | |
1532 | } | |
1533 | ||
1534 | closedir(D); | |
1535 | return found; | |
1536 | } | |
1537 | ||
0b100202 | 1538 | static int get_io_ticks(struct disk_util *du, struct disk_util_stat *dus) |
debf703a | 1539 | { |
0b100202 | 1540 | unsigned in_flight; |
debf703a JA |
1541 | char line[256]; |
1542 | FILE *f; | |
1543 | char *p; | |
1544 | ||
6f75d67c | 1545 | f = fopen(du->path, "r"); |
debf703a | 1546 | if (!f) |
0b100202 | 1547 | return 1; |
debf703a JA |
1548 | |
1549 | p = fgets(line, sizeof(line), f); | |
1550 | if (!p) { | |
1551 | fclose(f); | |
0b100202 | 1552 | return 1; |
debf703a JA |
1553 | } |
1554 | ||
8550ac6b | 1555 | 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 | 1556 | fclose(f); |
0b100202 | 1557 | return 1; |
debf703a JA |
1558 | } |
1559 | ||
1560 | fclose(f); | |
0b100202 | 1561 | return 0; |
debf703a JA |
1562 | } |
1563 | ||
6f75d67c | 1564 | static void update_io_tick_disk(struct disk_util *du) |
debf703a | 1565 | { |
0b100202 | 1566 | struct disk_util_stat __dus, *dus, *ldus; |
6f75d67c JA |
1567 | struct timeval t; |
1568 | ||
0b100202 JA |
1569 | if (get_io_ticks(du, &__dus)) |
1570 | return; | |
1571 | ||
1572 | dus = &du->dus; | |
1573 | ldus = &du->last_dus; | |
1574 | ||
1575 | dus->sectors[0] += (__dus.sectors[0] - ldus->sectors[0]); | |
1576 | dus->sectors[1] += (__dus.sectors[1] - ldus->sectors[1]); | |
1577 | dus->ios[0] += (__dus.ios[0] - ldus->ios[0]); | |
1578 | dus->ios[1] += (__dus.ios[1] - ldus->ios[1]); | |
1579 | dus->merges[0] += (__dus.merges[0] - ldus->merges[0]); | |
1580 | dus->merges[1] += (__dus.merges[1] - ldus->merges[1]); | |
1581 | dus->ticks[0] += (__dus.ticks[0] - ldus->ticks[0]); | |
1582 | dus->ticks[1] += (__dus.ticks[1] - ldus->ticks[1]); | |
1583 | dus->io_ticks += (__dus.io_ticks - ldus->io_ticks); | |
1584 | dus->time_in_queue += (__dus.time_in_queue - ldus->time_in_queue); | |
1585 | ||
6f75d67c JA |
1586 | gettimeofday(&t, NULL); |
1587 | du->msec += mtime_since(&du->time, &t); | |
1588 | memcpy(&du->time, &t, sizeof(t)); | |
0b100202 | 1589 | memcpy(ldus, &__dus, sizeof(__dus)); |
6f75d67c JA |
1590 | } |
1591 | ||
1592 | static void update_io_ticks(void) | |
1593 | { | |
1594 | struct list_head *entry; | |
1595 | struct disk_util *du; | |
1596 | ||
1597 | list_for_each(entry, &disk_list) { | |
1598 | du = list_entry(entry, struct disk_util, list); | |
1599 | update_io_tick_disk(du); | |
1600 | } | |
1601 | } | |
1602 | ||
1603 | static int disk_util_exists(dev_t dev) | |
1604 | { | |
1605 | struct list_head *entry; | |
1606 | struct disk_util *du; | |
1607 | ||
1608 | list_for_each(entry, &disk_list) { | |
1609 | du = list_entry(entry, struct disk_util, list); | |
1610 | ||
1611 | if (du->dev == dev) | |
1612 | return 1; | |
1613 | } | |
debf703a | 1614 | |
6f75d67c | 1615 | return 0; |
debf703a JA |
1616 | } |
1617 | ||
6f75d67c JA |
1618 | static void disk_util_add(dev_t dev, char *path) |
1619 | { | |
1620 | struct disk_util *du = malloc(sizeof(*du)); | |
1621 | ||
1622 | memset(du, 0, sizeof(*du)); | |
1623 | INIT_LIST_HEAD(&du->list); | |
1624 | sprintf(du->path, "%s/stat", path); | |
4aa2ff86 | 1625 | du->name = strdup(basename(path)); |
6f75d67c JA |
1626 | du->dev = dev; |
1627 | ||
1628 | gettimeofday(&du->time, NULL); | |
0b100202 | 1629 | get_io_ticks(du, &du->last_dus); |
6f75d67c JA |
1630 | |
1631 | list_add_tail(&du->list, &disk_list); | |
1632 | } | |
1633 | ||
1634 | static void init_disk_util(struct thread_data *td) | |
debf703a JA |
1635 | { |
1636 | struct stat st; | |
1637 | char foo[256], tmp[256]; | |
1638 | dev_t dev; | |
1639 | char *p, *dir; | |
1640 | ||
6f75d67c JA |
1641 | if (!stat(td->file_name, &st)) { |
1642 | if (S_ISBLK(st.st_mode)) | |
1643 | dev = st.st_rdev; | |
1644 | else | |
1645 | dev = st.st_dev; | |
1646 | } else { | |
1647 | /* | |
1648 | * must be a file, open "." in that path | |
1649 | */ | |
8cf48a05 JA |
1650 | strcpy(foo, td->file_name); |
1651 | p = dirname(foo); | |
6f75d67c JA |
1652 | if (stat(p, &st)) { |
1653 | perror("disk util stat"); | |
1654 | return; | |
1655 | } | |
debf703a | 1656 | |
debf703a | 1657 | dev = st.st_dev; |
6f75d67c JA |
1658 | } |
1659 | ||
1660 | if (disk_util_exists(dev)) | |
1661 | return; | |
debf703a JA |
1662 | |
1663 | sprintf(foo, "/sys/block"); | |
1664 | dir = find_block_dir(dev, foo); | |
1665 | if (!dir) | |
6f75d67c | 1666 | return; |
debf703a JA |
1667 | |
1668 | /* | |
1669 | * if this is inside a partition dir, jump back to parent | |
1670 | */ | |
1671 | sprintf(tmp, "%s/queue", dir); | |
1672 | if (stat(tmp, &st)) { | |
1673 | p = dirname(dir); | |
1674 | sprintf(tmp, "%s/queue", p); | |
1675 | if (stat(tmp, &st)) { | |
1676 | fprintf(stderr, "unknown sysfs layout\n"); | |
6f75d67c | 1677 | return; |
debf703a | 1678 | } |
6f75d67c | 1679 | sprintf(foo, "%s", p); |
debf703a JA |
1680 | } |
1681 | ||
6f75d67c JA |
1682 | disk_util_add(dev, foo); |
1683 | } | |
1684 | ||
1685 | static void disk_util_timer_arm(void) | |
1686 | { | |
1687 | struct itimerval itimer; | |
1688 | ||
1689 | itimer.it_value.tv_sec = 0; | |
1690 | itimer.it_value.tv_usec = DISK_UTIL_MSEC * 1000; | |
1691 | setitimer(ITIMER_REAL, &itimer, NULL); | |
1692 | } | |
1693 | ||
d32d9284 JA |
1694 | static void clear_io_state(struct thread_data *td) |
1695 | { | |
f5087211 | 1696 | if (td->io_engine == FIO_SYNCIO) |
9d0c6ca2 JA |
1697 | lseek(td->fd, SEEK_SET, 0); |
1698 | ||
d32d9284 | 1699 | td->cur_off = 0; |
49d2caab JA |
1700 | td->last_bytes = 0; |
1701 | td->stat_io_bytes = 0; | |
1702 | td->this_io_bytes = 0; | |
1703 | ||
1704 | if (td->file_map) | |
1705 | memset(td->file_map, 0, td->num_maps * sizeof(long)); | |
d32d9284 JA |
1706 | } |
1707 | ||
f6dcd824 JA |
1708 | static void update_rusage_stat(struct thread_data *td) |
1709 | { | |
1710 | if (!td->runtime) | |
1711 | return; | |
1712 | ||
1713 | getrusage(RUSAGE_SELF, &td->ru_end); | |
1714 | ||
1715 | td->usr_time += mtime_since(&td->ru_start.ru_utime, &td->ru_end.ru_utime); | |
1716 | td->sys_time += mtime_since(&td->ru_start.ru_stime, &td->ru_end.ru_stime); | |
1717 | td->ctx += td->ru_end.ru_nvcsw + td->ru_end.ru_nivcsw - (td->ru_start.ru_nvcsw + td->ru_start.ru_nivcsw); | |
1718 | ||
1719 | ||
1720 | memcpy(&td->ru_start, &td->ru_end, sizeof(td->ru_end)); | |
1721 | } | |
1722 | ||
189873de | 1723 | static void *thread_main(void *data) |
892199bd | 1724 | { |
189873de | 1725 | struct thread_data *td = data; |
02983297 | 1726 | int ret = 1; |
892199bd | 1727 | |
7292613b | 1728 | setsid(); |
892199bd JA |
1729 | td->pid = getpid(); |
1730 | ||
99c6704f JA |
1731 | if (init_io_u(td)) |
1732 | goto err; | |
2c83567e | 1733 | |
18e0b78c | 1734 | if (sched_setaffinity(td->pid, sizeof(td->cpumask), &td->cpumask) == -1) { |
b5a4be48 | 1735 | td_verror(td, errno); |
18e0b78c JA |
1736 | goto err; |
1737 | } | |
1738 | ||
f5087211 | 1739 | if ((td->io_engine != FIO_SYNCIO) && init_aio(td)) |
43000118 JA |
1740 | goto err; |
1741 | ||
f737299d | 1742 | if (td->ioprio) { |
892199bd | 1743 | if (ioprio_set(IOPRIO_WHO_PROCESS, 0, td->ioprio) == -1) { |
b5a4be48 | 1744 | td_verror(td, errno); |
599002b3 | 1745 | goto err; |
892199bd JA |
1746 | } |
1747 | } | |
1748 | ||
1749 | sem_post(&startup_sem); | |
1750 | sem_wait(&td->mutex); | |
43000118 | 1751 | |
fc097bfe JA |
1752 | if (!td->create_serialize && setup_file(td)) |
1753 | goto err; | |
1754 | ||
49d2caab JA |
1755 | if (init_random_state(td)) |
1756 | goto err; | |
1757 | ||
91e6eb54 JA |
1758 | gettimeofday(&td->epoch, NULL); |
1759 | ||
293753bb | 1760 | while (td->loops--) { |
f6dcd824 JA |
1761 | getrusage(RUSAGE_SELF, &td->ru_start); |
1762 | gettimeofday(&td->start, NULL); | |
1763 | memcpy(&td->stat_sample_time, &td->start, sizeof(td->start)); | |
293753bb JA |
1764 | |
1765 | if (td->ratemin) | |
1766 | memcpy(&td->lastrate, &td->stat_sample_time, sizeof(td->lastrate)); | |
7292613b | 1767 | |
d32d9284 | 1768 | clear_io_state(td); |
9d0c6ca2 | 1769 | prune_io_piece_log(td); |
fd1ae4c9 | 1770 | |
f5087211 | 1771 | if (td->io_engine == FIO_SYNCIO) |
b6794fbf | 1772 | do_sync_io(td); |
b2de0ed2 JA |
1773 | else |
1774 | do_async_io(td); | |
1775 | ||
91e6eb54 | 1776 | if (td->error || td->terminate) |
91fc5dc9 JA |
1777 | break; |
1778 | ||
f6dcd824 JA |
1779 | td->runtime += mtime_since_now(&td->start); |
1780 | update_rusage_stat(td); | |
1781 | ||
7f46ef08 | 1782 | if (td->verify == VERIFY_NONE) |
b2de0ed2 | 1783 | continue; |
cfc702bd | 1784 | |
b2de0ed2 | 1785 | clear_io_state(td); |
d32d9284 | 1786 | |
f5087211 | 1787 | if (td->io_engine == FIO_SYNCIO) |
91fc5dc9 JA |
1788 | do_sync_verify(td); |
1789 | else | |
1790 | do_async_verify(td); | |
1791 | ||
91e6eb54 | 1792 | if (td->error || td->terminate) |
91fc5dc9 | 1793 | break; |
b6794fbf | 1794 | } |
7292613b | 1795 | |
892199bd | 1796 | ret = 0; |
a0a9b35b JA |
1797 | |
1798 | if (td->bw_log) | |
1799 | finish_log(td, td->bw_log, "bw"); | |
1800 | if (td->lat_log) | |
1801 | finish_log(td, td->lat_log, "lat"); | |
4ac89145 | 1802 | |
98dd52d6 | 1803 | if (exitall_on_terminate) |
27c32a38 | 1804 | terminate_threads(td->groupid); |
98dd52d6 | 1805 | |
892199bd | 1806 | err: |
7292613b JA |
1807 | if (td->fd != -1) { |
1808 | close(td->fd); | |
1809 | td->fd = -1; | |
1810 | } | |
6e2c38cc JA |
1811 | if (td->mmap) |
1812 | munmap(td->mmap, td->file_size); | |
f5087211 | 1813 | if (td->io_engine != FIO_SYNCIO) |
4ac89145 | 1814 | cleanup_aio(td); |
2c83567e | 1815 | cleanup_io_u(td); |
599002b3 | 1816 | if (ret) { |
892199bd | 1817 | sem_post(&startup_sem); |
599002b3 JA |
1818 | sem_wait(&td->mutex); |
1819 | } | |
40ef7f64 | 1820 | td_set_runstate(td, TD_EXITED); |
189873de JA |
1821 | return NULL; |
1822 | ||
1823 | } | |
1824 | ||
40e7bf80 | 1825 | static void *fork_main(int shmid, int offset) |
189873de JA |
1826 | { |
1827 | struct thread_data *td; | |
1828 | void *data; | |
1829 | ||
40e7bf80 | 1830 | data = shmat(shmid, NULL, 0); |
189873de JA |
1831 | if (data == (void *) -1) { |
1832 | perror("shmat"); | |
1833 | return NULL; | |
1834 | } | |
1835 | ||
1836 | td = data + offset * sizeof(struct thread_data); | |
1837 | thread_main(td); | |
4240cfa1 | 1838 | shmdt(data); |
892199bd JA |
1839 | return NULL; |
1840 | } | |
1841 | ||
57d753e3 JA |
1842 | static int calc_lat(struct io_stat *is, unsigned long *min, unsigned long *max, |
1843 | double *mean, double *dev) | |
1844 | { | |
1845 | double n; | |
1846 | ||
1847 | if (is->samples == 0) | |
1848 | return 0; | |
1849 | ||
1850 | *min = is->min_val; | |
1851 | *max = is->max_val; | |
1852 | ||
1853 | n = (double) is->samples; | |
1854 | *mean = (double) is->val / n; | |
1855 | *dev = sqrt(((double) is->val_sq - (*mean * *mean) / n) / (n - 1)); | |
1856 | return 1; | |
1857 | } | |
1858 | ||
557e4102 JA |
1859 | static void show_thread_status(struct thread_data *td, |
1860 | struct group_run_stats *rs) | |
892199bd JA |
1861 | { |
1862 | int prio, prio_class; | |
f6dcd824 | 1863 | unsigned long min, max, bw = 0; |
92b229ed | 1864 | double mean, dev, usr_cpu, sys_cpu; |
892199bd | 1865 | |
49d2caab | 1866 | if (!td->io_bytes && !td->error) |
213b446c JA |
1867 | return; |
1868 | ||
892199bd | 1869 | if (td->runtime) |
49d2caab | 1870 | bw = td->io_bytes / td->runtime; |
892199bd JA |
1871 | |
1872 | prio = td->ioprio & 0xff; | |
1873 | prio_class = td->ioprio >> IOPRIO_CLASS_SHIFT; | |
1874 | ||
f6dcd824 | 1875 | 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 | 1876 | |
57d753e3 JA |
1877 | if (calc_lat(&td->slat_stat, &min, &max, &mean, &dev)) |
1878 | printf(" slat (msec): min=%5lu, max=%5lu, avg=%5.02f, dev=%5.02f\n", min, max, mean, dev); | |
1879 | if (calc_lat(&td->clat_stat, &min, &max, &mean, &dev)) | |
1880 | printf(" clat (msec): min=%5lu, max=%5lu, avg=%5.02f, dev=%5.02f\n", min, max, mean, dev); | |
557e4102 JA |
1881 | if (calc_lat(&td->bw_stat, &min, &max, &mean, &dev)) { |
1882 | double p_of_agg; | |
1883 | ||
1884 | p_of_agg = mean * 100 / (double) rs->agg[td->ddir]; | |
1885 | 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); | |
1886 | } | |
92b229ed JA |
1887 | |
1888 | if (td->runtime) { | |
f6dcd824 JA |
1889 | usr_cpu = (double) td->usr_time * 100 / (double) td->runtime; |
1890 | sys_cpu = (double) td->sys_time * 100 / (double) td->runtime; | |
92b229ed JA |
1891 | } else { |
1892 | usr_cpu = 0; | |
1893 | sys_cpu = 0; | |
1894 | } | |
1895 | ||
f6dcd824 | 1896 | printf(" cpu : usr=%3.2f%%, sys=%3.2f%%, ctx=%lu\n", usr_cpu, sys_cpu, td->ctx); |
892199bd JA |
1897 | } |
1898 | ||
e79c9259 | 1899 | static void print_thread_status(int nr_running, int t_rate, int m_rate) |
3f39453a | 1900 | { |
3f39453a JA |
1901 | printf("Threads now running: %d", nr_running); |
1902 | if (m_rate || t_rate) | |
1903 | printf(", commitrate %d/%dKiB/sec", t_rate, m_rate); | |
8dbff0b1 JA |
1904 | printf(" : [%s]\r", run_str); |
1905 | fflush(stdout); | |
3f39453a JA |
1906 | } |
1907 | ||
40ef7f64 JA |
1908 | static void check_str_update(struct thread_data *td, int n, int t, int m) |
1909 | { | |
1910 | char c = run_str[td->thread_number - 1]; | |
1911 | ||
1912 | if (td->runstate == td->old_runstate) | |
1913 | return; | |
1914 | ||
1915 | switch (td->runstate) { | |
1916 | case TD_REAPED: | |
1917 | c = '_'; | |
1918 | break; | |
f4bb2243 JA |
1919 | case TD_EXITED: |
1920 | c = 'E'; | |
1921 | break; | |
40ef7f64 | 1922 | case TD_RUNNING: |
af678352 JA |
1923 | if (td_read(td)) { |
1924 | if (td->sequential) | |
1925 | c = 'R'; | |
1926 | else | |
1927 | c = 'r'; | |
1928 | } else { | |
1929 | if (td->sequential) | |
1930 | c = 'W'; | |
1931 | else | |
1932 | c = 'w'; | |
1933 | } | |
40ef7f64 JA |
1934 | break; |
1935 | case TD_VERIFYING: | |
1936 | c = 'V'; | |
1937 | break; | |
1938 | case TD_CREATED: | |
1939 | c = 'C'; | |
1940 | break; | |
1941 | case TD_NOT_CREATED: | |
1942 | c = 'P'; | |
1943 | break; | |
1944 | default: | |
1945 | printf("state %d\n", td->runstate); | |
1946 | } | |
1947 | ||
1948 | run_str[td->thread_number - 1] = c; | |
e79c9259 | 1949 | print_thread_status(n, t, m); |
40ef7f64 JA |
1950 | td->old_runstate = td->runstate; |
1951 | } | |
1952 | ||
213b446c | 1953 | static void reap_threads(int *nr_running, int *t_rate, int *m_rate) |
02bdd9ba | 1954 | { |
213b446c | 1955 | int i; |
02bdd9ba | 1956 | |
3f39453a JA |
1957 | /* |
1958 | * reap exited threads (TD_EXITED -> TD_REAPED) | |
1959 | */ | |
02bdd9ba JA |
1960 | for (i = 0; i < thread_number; i++) { |
1961 | struct thread_data *td = &threads[i]; | |
1962 | ||
40ef7f64 JA |
1963 | check_str_update(td, *nr_running, *t_rate, *m_rate); |
1964 | ||
213b446c JA |
1965 | if (td->runstate != TD_EXITED) |
1966 | continue; | |
02bdd9ba | 1967 | |
40ef7f64 | 1968 | td_set_runstate(td, TD_REAPED); |
189873de JA |
1969 | |
1970 | if (td->use_thread) { | |
1971 | long ret; | |
1972 | ||
1973 | if (pthread_join(td->thread, (void *) &ret)) | |
1974 | perror("thread_join"); | |
1975 | } else | |
1976 | waitpid(td->pid, NULL, 0); | |
1977 | ||
213b446c JA |
1978 | (*nr_running)--; |
1979 | (*m_rate) -= td->ratemin; | |
1980 | (*t_rate) -= td->rate; | |
40ef7f64 | 1981 | check_str_update(td, *nr_running, *t_rate, *m_rate); |
213b446c | 1982 | } |
02bdd9ba JA |
1983 | } |
1984 | ||
e79c9259 | 1985 | static void run_threads(void) |
fc24389f | 1986 | { |
be33abe4 | 1987 | struct timeval genesis; |
fc24389f JA |
1988 | struct thread_data *td; |
1989 | unsigned long spent; | |
2a81240d | 1990 | int i, todo, nr_running, m_rate, t_rate, nr_started; |
fc24389f | 1991 | |
fc24389f JA |
1992 | printf("Starting %d threads\n", thread_number); |
1993 | fflush(stdout); | |
1994 | ||
7292613b | 1995 | signal(SIGINT, sig_handler); |
8882f4e9 | 1996 | signal(SIGALRM, sig_handler); |
7292613b | 1997 | |
fc24389f | 1998 | todo = thread_number; |
02bdd9ba | 1999 | nr_running = 0; |
2a81240d | 2000 | nr_started = 0; |
213b446c | 2001 | m_rate = t_rate = 0; |
fc24389f | 2002 | |
8bdcfab5 JA |
2003 | for (i = 0; i < thread_number; i++) { |
2004 | td = &threads[i]; | |
2005 | ||
6f75d67c JA |
2006 | init_disk_util(td); |
2007 | ||
fc097bfe JA |
2008 | if (!td->create_serialize) |
2009 | continue; | |
2010 | ||
8bdcfab5 JA |
2011 | /* |
2012 | * do file setup here so it happens sequentially, | |
2013 | * we don't want X number of threads getting their | |
2014 | * client data interspersed on disk | |
2015 | */ | |
2016 | if (setup_file(td)) { | |
40ef7f64 | 2017 | td_set_runstate(td, TD_REAPED); |
8bdcfab5 JA |
2018 | todo--; |
2019 | } | |
2020 | } | |
2021 | ||
2022 | gettimeofday(&genesis, NULL); | |
2023 | ||
213b446c | 2024 | while (todo) { |
3f39453a JA |
2025 | /* |
2026 | * create threads (TD_NOT_CREATED -> TD_CREATED) | |
2027 | */ | |
fc24389f JA |
2028 | for (i = 0; i < thread_number; i++) { |
2029 | td = &threads[i]; | |
2030 | ||
02bdd9ba | 2031 | if (td->runstate != TD_NOT_CREATED) |
fc24389f JA |
2032 | continue; |
2033 | ||
213b446c JA |
2034 | /* |
2035 | * never got a chance to start, killed by other | |
2036 | * thread for some reason | |
2037 | */ | |
2038 | if (td->terminate) { | |
2039 | todo--; | |
2040 | continue; | |
2041 | } | |
2042 | ||
fc24389f | 2043 | if (td->start_delay) { |
be33abe4 | 2044 | spent = mtime_since_now(&genesis); |
fc24389f JA |
2045 | |
2046 | if (td->start_delay * 1000 > spent) | |
2047 | continue; | |
2048 | } | |
2049 | ||
2a81240d | 2050 | if (td->stonewall && (nr_started || nr_running)) |
ea6f96a2 | 2051 | break; |
2a81240d | 2052 | |
40ef7f64 JA |
2053 | td_set_runstate(td, TD_CREATED); |
2054 | check_str_update(td, nr_running, t_rate, m_rate); | |
fc24389f JA |
2055 | sem_init(&startup_sem, 1, 1); |
2056 | todo--; | |
2a81240d | 2057 | nr_started++; |
fc24389f | 2058 | |
189873de JA |
2059 | if (td->use_thread) { |
2060 | if (pthread_create(&td->thread, NULL, thread_main, td)) { | |
2061 | perror("thread_create"); | |
2062 | nr_started--; | |
2063 | } | |
2064 | } else { | |
2065 | if (fork()) | |
2066 | sem_wait(&startup_sem); | |
2067 | else { | |
2068 | fork_main(shm_id, i); | |
2069 | exit(0); | |
2070 | } | |
fc24389f JA |
2071 | } |
2072 | } | |
2073 | ||
3f39453a | 2074 | /* |
e8457004 | 2075 | * start created threads (TD_CREATED -> TD_RUNNING) |
3f39453a | 2076 | */ |
fc24389f | 2077 | for (i = 0; i < thread_number; i++) { |
40e7bf80 | 2078 | td = &threads[i]; |
fc24389f | 2079 | |
3f39453a JA |
2080 | if (td->runstate != TD_CREATED) |
2081 | continue; | |
2082 | ||
40ef7f64 | 2083 | td_set_runstate(td, TD_RUNNING); |
3f39453a | 2084 | nr_running++; |
2a81240d | 2085 | nr_started--; |
3f39453a JA |
2086 | m_rate += td->ratemin; |
2087 | t_rate += td->rate; | |
40ef7f64 | 2088 | check_str_update(td, nr_running, t_rate, m_rate); |
3f39453a | 2089 | sem_post(&td->mutex); |
fc24389f JA |
2090 | } |
2091 | ||
e8457004 | 2092 | for (i = 0; i < thread_number; i++) { |
40e7bf80 | 2093 | td = &threads[i]; |
e8457004 | 2094 | |
b48889bb JA |
2095 | if (td->runstate != TD_RUNNING && |
2096 | td->runstate != TD_VERIFYING) | |
e8457004 JA |
2097 | continue; |
2098 | ||
40ef7f64 | 2099 | check_str_update(td, nr_running, t_rate, m_rate); |
e8457004 JA |
2100 | } |
2101 | ||
213b446c | 2102 | reap_threads(&nr_running, &t_rate, &m_rate); |
02bdd9ba | 2103 | |
fc24389f JA |
2104 | if (todo) |
2105 | usleep(100000); | |
2106 | } | |
02bdd9ba JA |
2107 | |
2108 | while (nr_running) { | |
213b446c | 2109 | reap_threads(&nr_running, &t_rate, &m_rate); |
02bdd9ba JA |
2110 | usleep(10000); |
2111 | } | |
6f75d67c JA |
2112 | |
2113 | update_io_ticks(); | |
fc24389f JA |
2114 | } |
2115 | ||
0d80f40d | 2116 | static void show_group_stats(struct group_run_stats *rs, int id) |
8867c0a8 | 2117 | { |
0d80f40d JA |
2118 | printf("\nRun status group %d:\n", id); |
2119 | ||
2120 | if (rs->max_run[DDIR_READ]) | |
2121 | 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]); | |
2122 | if (rs->max_run[DDIR_WRITE]) | |
2123 | 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]); | |
2124 | } | |
2125 | ||
6f75d67c JA |
2126 | static void show_disk_util(void) |
2127 | { | |
0b100202 | 2128 | struct disk_util_stat *dus; |
6f75d67c JA |
2129 | struct list_head *entry; |
2130 | struct disk_util *du; | |
2131 | double util; | |
2132 | ||
4aa2ff86 | 2133 | printf("\nDisk stats (read/write):\n"); |
6f75d67c JA |
2134 | |
2135 | list_for_each(entry, &disk_list) { | |
2136 | du = list_entry(entry, struct disk_util, list); | |
0b100202 | 2137 | dus = &du->dus; |
6f75d67c | 2138 | |
0b100202 | 2139 | util = (double) 100 * du->dus.io_ticks / (double) du->msec; |
6f75d67c JA |
2140 | if (util > 100.0) |
2141 | util = 100.0; | |
2142 | ||
0b100202 | 2143 | 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 |
2144 | } |
2145 | } | |
2146 | ||
0d80f40d JA |
2147 | static void show_run_stats(void) |
2148 | { | |
2149 | struct group_run_stats *runstats, *rs; | |
557e4102 | 2150 | struct thread_data *td; |
8867c0a8 JA |
2151 | int i; |
2152 | ||
0d80f40d JA |
2153 | runstats = malloc(sizeof(struct group_run_stats) * (groupid + 1)); |
2154 | ||
2155 | for (i = 0; i < groupid + 1; i++) { | |
2156 | rs = &runstats[i]; | |
2157 | ||
f6dcd824 | 2158 | memset(rs, 0, sizeof(*rs)); |
0d80f40d JA |
2159 | rs->min_bw[0] = rs->min_run[0] = ~0UL; |
2160 | rs->min_bw[1] = rs->min_run[1] = ~0UL; | |
0d80f40d JA |
2161 | } |
2162 | ||
2163 | for (i = 0; i < thread_number; i++) { | |
0d80f40d JA |
2164 | unsigned long bw = 0; |
2165 | ||
557e4102 JA |
2166 | td = &threads[i]; |
2167 | ||
b5a4be48 JA |
2168 | if (td->error) { |
2169 | printf("Client%d: %s\n", td->thread_number, td->verror); | |
557e4102 | 2170 | continue; |
b5a4be48 | 2171 | } |
557e4102 | 2172 | |
0d80f40d JA |
2173 | rs = &runstats[td->groupid]; |
2174 | ||
557e4102 JA |
2175 | if (td->runtime < rs->min_run[td->ddir]) |
2176 | rs->min_run[td->ddir] = td->runtime; | |
2177 | if (td->runtime > rs->max_run[td->ddir]) | |
2178 | rs->max_run[td->ddir] = td->runtime; | |
0d80f40d | 2179 | |
557e4102 JA |
2180 | if (td->runtime) |
2181 | bw = td->io_bytes / td->runtime; | |
2182 | if (bw < rs->min_bw[td->ddir]) | |
2183 | rs->min_bw[td->ddir] = bw; | |
2184 | if (bw > rs->max_bw[td->ddir]) | |
2185 | rs->max_bw[td->ddir] = bw; | |
0d80f40d | 2186 | |
557e4102 | 2187 | rs->io_mb[td->ddir] += td->io_bytes >> 20; |
0d80f40d | 2188 | } |
9d489c62 | 2189 | |
0d80f40d JA |
2190 | for (i = 0; i < groupid + 1; i++) { |
2191 | rs = &runstats[i]; | |
2192 | ||
2193 | if (rs->max_run[0]) | |
2194 | rs->agg[0] = (rs->io_mb[0]*1024*1000) / rs->max_run[0]; | |
2195 | if (rs->max_run[1]) | |
2196 | rs->agg[1] = (rs->io_mb[1]*1024*1000) / rs->max_run[1]; | |
0d80f40d | 2197 | } |
557e4102 JA |
2198 | |
2199 | for (i = 0; i < thread_number; i++) { | |
2200 | td = &threads[i]; | |
2201 | rs = &runstats[td->groupid]; | |
2202 | ||
c4c8f7b3 | 2203 | show_thread_status(td, rs); |
557e4102 | 2204 | } |
9d489c62 JA |
2205 | |
2206 | for (i = 0; i < groupid + 1; i++) | |
2207 | show_group_stats(&runstats[i], i); | |
6f75d67c JA |
2208 | |
2209 | show_disk_util(); | |
0d80f40d JA |
2210 | } |
2211 | ||
2212 | int main(int argc, char *argv[]) | |
2213 | { | |
27c32a38 | 2214 | memset(run_str, 0, sizeof(run_str)); |
5961d92c | 2215 | |
27c32a38 | 2216 | if (parse_options(argc, argv)) |
5961d92c | 2217 | return 1; |
7dd1389e | 2218 | |
4240cfa1 JA |
2219 | if (!thread_number) { |
2220 | printf("Nothing to do\n"); | |
2221 | return 1; | |
2222 | } | |
7dd1389e | 2223 | |
8882f4e9 | 2224 | disk_util_timer_arm(); |
6f75d67c | 2225 | |
e79c9259 | 2226 | run_threads(); |
0d80f40d | 2227 | show_run_stats(); |
fc24389f | 2228 | |
892199bd JA |
2229 | return 0; |
2230 | } |