Commit | Line | Data |
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3c39a379 JA |
1 | #include <stdio.h> |
2 | #include <string.h> | |
3 | #include <sys/time.h> | |
4 | #include <sys/types.h> | |
5c4e1dbc | 5 | #include <sys/stat.h> |
3c39a379 JA |
6 | #include <dirent.h> |
7 | #include <libgen.h> | |
8 | #include <math.h> | |
9 | ||
10 | #include "fio.h" | |
3c39a379 JA |
11 | |
12 | static struct itimerval itimer; | |
5c4e1dbc | 13 | static struct list_head disk_list = LIST_HEAD_INIT(disk_list); |
3c39a379 JA |
14 | |
15 | static int get_io_ticks(struct disk_util *du, struct disk_util_stat *dus) | |
16 | { | |
17 | unsigned in_flight; | |
18 | char line[256]; | |
19 | FILE *f; | |
20 | char *p; | |
21 | ||
22 | f = fopen(du->path, "r"); | |
23 | if (!f) | |
24 | return 1; | |
25 | ||
26 | p = fgets(line, sizeof(line), f); | |
27 | if (!p) { | |
28 | fclose(f); | |
29 | return 1; | |
30 | } | |
31 | ||
32 | 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) { | |
33 | fclose(f); | |
34 | return 1; | |
35 | } | |
36 | ||
37 | fclose(f); | |
38 | return 0; | |
39 | } | |
40 | ||
41 | static void update_io_tick_disk(struct disk_util *du) | |
42 | { | |
43 | struct disk_util_stat __dus, *dus, *ldus; | |
44 | struct timeval t; | |
45 | ||
46 | if (get_io_ticks(du, &__dus)) | |
47 | return; | |
48 | ||
49 | dus = &du->dus; | |
50 | ldus = &du->last_dus; | |
51 | ||
52 | dus->sectors[0] += (__dus.sectors[0] - ldus->sectors[0]); | |
53 | dus->sectors[1] += (__dus.sectors[1] - ldus->sectors[1]); | |
54 | dus->ios[0] += (__dus.ios[0] - ldus->ios[0]); | |
55 | dus->ios[1] += (__dus.ios[1] - ldus->ios[1]); | |
56 | dus->merges[0] += (__dus.merges[0] - ldus->merges[0]); | |
57 | dus->merges[1] += (__dus.merges[1] - ldus->merges[1]); | |
58 | dus->ticks[0] += (__dus.ticks[0] - ldus->ticks[0]); | |
59 | dus->ticks[1] += (__dus.ticks[1] - ldus->ticks[1]); | |
60 | dus->io_ticks += (__dus.io_ticks - ldus->io_ticks); | |
61 | dus->time_in_queue += (__dus.time_in_queue - ldus->time_in_queue); | |
62 | ||
02bcaa8c | 63 | fio_gettime(&t, NULL); |
3c39a379 JA |
64 | du->msec += mtime_since(&du->time, &t); |
65 | memcpy(&du->time, &t, sizeof(t)); | |
66 | memcpy(ldus, &__dus, sizeof(__dus)); | |
67 | } | |
68 | ||
69 | void update_io_ticks(void) | |
70 | { | |
71 | struct list_head *entry; | |
72 | struct disk_util *du; | |
73 | ||
74 | list_for_each(entry, &disk_list) { | |
75 | du = list_entry(entry, struct disk_util, list); | |
76 | update_io_tick_disk(du); | |
77 | } | |
78 | } | |
79 | ||
80 | static int disk_util_exists(dev_t dev) | |
81 | { | |
82 | struct list_head *entry; | |
83 | struct disk_util *du; | |
84 | ||
85 | list_for_each(entry, &disk_list) { | |
86 | du = list_entry(entry, struct disk_util, list); | |
87 | ||
88 | if (du->dev == dev) | |
89 | return 1; | |
90 | } | |
91 | ||
92 | return 0; | |
93 | } | |
94 | ||
95 | static void disk_util_add(dev_t dev, char *path) | |
96 | { | |
1188caf8 JA |
97 | struct disk_util *du, *__du; |
98 | struct list_head *entry; | |
3c39a379 | 99 | |
1188caf8 | 100 | du = malloc(sizeof(*du)); |
3c39a379 JA |
101 | memset(du, 0, sizeof(*du)); |
102 | INIT_LIST_HEAD(&du->list); | |
103 | sprintf(du->path, "%s/stat", path); | |
104 | du->name = strdup(basename(path)); | |
105 | du->dev = dev; | |
106 | ||
1188caf8 JA |
107 | list_for_each(entry, &disk_list) { |
108 | __du = list_entry(entry, struct disk_util, list); | |
109 | ||
110 | if (!strcmp(du->name, __du->name)) { | |
111 | free(du->name); | |
112 | free(du); | |
113 | return; | |
114 | } | |
115 | } | |
116 | ||
02bcaa8c | 117 | fio_gettime(&du->time, NULL); |
3c39a379 JA |
118 | get_io_ticks(du, &du->last_dus); |
119 | ||
120 | list_add_tail(&du->list, &disk_list); | |
121 | } | |
122 | ||
123 | static int check_dev_match(dev_t dev, char *path) | |
124 | { | |
125 | unsigned int major, minor; | |
126 | char line[256], *p; | |
127 | FILE *f; | |
128 | ||
129 | f = fopen(path, "r"); | |
130 | if (!f) { | |
131 | perror("open path"); | |
132 | return 1; | |
133 | } | |
134 | ||
135 | p = fgets(line, sizeof(line), f); | |
136 | if (!p) { | |
137 | fclose(f); | |
138 | return 1; | |
139 | } | |
140 | ||
141 | if (sscanf(p, "%u:%u", &major, &minor) != 2) { | |
142 | fclose(f); | |
143 | return 1; | |
144 | } | |
145 | ||
146 | if (((major << 8) | minor) == dev) { | |
147 | fclose(f); | |
148 | return 0; | |
149 | } | |
150 | ||
151 | fclose(f); | |
152 | return 1; | |
153 | } | |
154 | ||
155 | static int find_block_dir(dev_t dev, char *path) | |
156 | { | |
157 | struct dirent *dir; | |
158 | struct stat st; | |
159 | int found = 0; | |
160 | DIR *D; | |
161 | ||
162 | D = opendir(path); | |
163 | if (!D) | |
164 | return 0; | |
165 | ||
166 | while ((dir = readdir(D)) != NULL) { | |
167 | char full_path[256]; | |
168 | ||
169 | if (!strcmp(dir->d_name, ".") || !strcmp(dir->d_name, "..")) | |
170 | continue; | |
3c39a379 JA |
171 | |
172 | sprintf(full_path, "%s/%s", path, dir->d_name); | |
173 | ||
174 | if (!strcmp(dir->d_name, "dev")) { | |
175 | if (!check_dev_match(dev, full_path)) { | |
176 | found = 1; | |
177 | break; | |
178 | } | |
179 | } | |
180 | ||
3307d653 | 181 | if (lstat(full_path, &st) == -1) { |
3c39a379 JA |
182 | perror("stat"); |
183 | break; | |
184 | } | |
185 | ||
186 | if (!S_ISDIR(st.st_mode) || S_ISLNK(st.st_mode)) | |
187 | continue; | |
188 | ||
189 | found = find_block_dir(dev, full_path); | |
190 | if (found) { | |
191 | strcpy(path, full_path); | |
192 | break; | |
193 | } | |
194 | } | |
195 | ||
196 | closedir(D); | |
197 | return found; | |
198 | } | |
199 | ||
200 | void init_disk_util(struct thread_data *td) | |
201 | { | |
53cdc686 | 202 | struct fio_file *f; |
3c39a379 | 203 | struct stat st; |
0bbab0e7 | 204 | char foo[PATH_MAX], tmp[PATH_MAX]; |
3c39a379 JA |
205 | dev_t dev; |
206 | char *p; | |
207 | ||
208 | if (!td->do_disk_util) | |
209 | return; | |
210 | ||
53cdc686 JA |
211 | /* |
212 | * Just use the same file, they are on the same device. | |
213 | */ | |
214 | f = &td->files[0]; | |
215 | if (!stat(f->file_name, &st)) { | |
3c39a379 JA |
216 | if (S_ISBLK(st.st_mode)) |
217 | dev = st.st_rdev; | |
218 | else | |
219 | dev = st.st_dev; | |
220 | } else { | |
221 | /* | |
222 | * must be a file, open "." in that path | |
223 | */ | |
0bbab0e7 | 224 | strncpy(foo, f->file_name, PATH_MAX - 1); |
3c39a379 JA |
225 | p = dirname(foo); |
226 | if (stat(p, &st)) { | |
227 | perror("disk util stat"); | |
228 | return; | |
229 | } | |
230 | ||
231 | dev = st.st_dev; | |
232 | } | |
233 | ||
234 | if (disk_util_exists(dev)) | |
235 | return; | |
236 | ||
237 | sprintf(foo, "/sys/block"); | |
238 | if (!find_block_dir(dev, foo)) | |
239 | return; | |
240 | ||
241 | /* | |
242 | * If there's a ../queue/ directory there, we are inside a partition. | |
243 | * Check if that is the case and jump back. For loop/md/dm etc we | |
244 | * are already in the right spot. | |
245 | */ | |
246 | sprintf(tmp, "%s/../queue", foo); | |
247 | if (!stat(tmp, &st)) { | |
248 | p = dirname(foo); | |
249 | sprintf(tmp, "%s/queue", p); | |
250 | if (stat(tmp, &st)) { | |
3b70d7e5 | 251 | log_err("unknown sysfs layout\n"); |
3c39a379 JA |
252 | return; |
253 | } | |
0bbab0e7 | 254 | strncpy(tmp, p, PATH_MAX - 1); |
84585003 | 255 | sprintf(foo, "%s", tmp); |
3c39a379 JA |
256 | } |
257 | ||
eecf272f JA |
258 | if (td->ioscheduler) |
259 | td->sysfs_root = strdup(foo); | |
260 | ||
3c39a379 JA |
261 | disk_util_add(dev, foo); |
262 | } | |
263 | ||
264 | void disk_util_timer_arm(void) | |
265 | { | |
266 | itimer.it_value.tv_sec = 0; | |
267 | itimer.it_value.tv_usec = DISK_UTIL_MSEC * 1000; | |
268 | setitimer(ITIMER_REAL, &itimer, NULL); | |
269 | } | |
270 | ||
271 | void update_rusage_stat(struct thread_data *td) | |
272 | { | |
3c39a379 JA |
273 | getrusage(RUSAGE_SELF, &td->ru_end); |
274 | ||
275 | td->usr_time += mtime_since(&td->ru_start.ru_utime, &td->ru_end.ru_utime); | |
276 | td->sys_time += mtime_since(&td->ru_start.ru_stime, &td->ru_end.ru_stime); | |
277 | td->ctx += td->ru_end.ru_nvcsw + td->ru_end.ru_nivcsw - (td->ru_start.ru_nvcsw + td->ru_start.ru_nivcsw); | |
278 | ||
279 | ||
280 | memcpy(&td->ru_start, &td->ru_end, sizeof(td->ru_end)); | |
281 | } | |
282 | ||
283 | static int calc_lat(struct io_stat *is, unsigned long *min, unsigned long *max, | |
284 | double *mean, double *dev) | |
285 | { | |
68704084 | 286 | double n = is->samples; |
3c39a379 JA |
287 | |
288 | if (is->samples == 0) | |
289 | return 0; | |
290 | ||
291 | *min = is->min_val; | |
292 | *max = is->max_val; | |
293 | ||
294 | n = (double) is->samples; | |
68704084 | 295 | *mean = is->mean; |
e6d276f2 | 296 | |
68704084 JA |
297 | if (n > 1.0) |
298 | *dev = sqrt(is->S / (n - 1.0)); | |
ef9c5c40 | 299 | else |
68704084 | 300 | *dev = -1.0; |
ef9c5c40 | 301 | |
3c39a379 JA |
302 | return 1; |
303 | } | |
304 | ||
305 | static void show_group_stats(struct group_run_stats *rs, int id) | |
306 | { | |
eb8bbf48 | 307 | fprintf(f_out, "\nRun status group %d (all jobs):\n", id); |
3c39a379 JA |
308 | |
309 | if (rs->max_run[DDIR_READ]) | |
eb8bbf48 | 310 | fprintf(f_out, " READ: io=%lluMiB, aggrb=%llu, minb=%llu, maxb=%llu, mint=%llumsec, maxt=%llumsec\n", rs->io_kb[0] >> 10, rs->agg[0], rs->min_bw[0], rs->max_bw[0], rs->min_run[0], rs->max_run[0]); |
3c39a379 | 311 | if (rs->max_run[DDIR_WRITE]) |
eb8bbf48 | 312 | fprintf(f_out, " WRITE: io=%lluMiB, aggrb=%llu, minb=%llu, maxb=%llu, mint=%llumsec, maxt=%llumsec\n", rs->io_kb[1] >> 10, rs->agg[1], rs->min_bw[1], rs->max_bw[1], rs->min_run[1], rs->max_run[1]); |
3c39a379 JA |
313 | } |
314 | ||
315 | static void show_disk_util(void) | |
316 | { | |
317 | struct disk_util_stat *dus; | |
b4a6a59a | 318 | struct list_head *entry, *next; |
3c39a379 JA |
319 | struct disk_util *du; |
320 | double util; | |
321 | ||
eb8bbf48 | 322 | fprintf(f_out, "\nDisk stats (read/write):\n"); |
3c39a379 JA |
323 | |
324 | list_for_each(entry, &disk_list) { | |
325 | du = list_entry(entry, struct disk_util, list); | |
326 | dus = &du->dus; | |
327 | ||
328 | util = (double) 100 * du->dus.io_ticks / (double) du->msec; | |
329 | if (util > 100.0) | |
330 | util = 100.0; | |
331 | ||
eb8bbf48 | 332 | fprintf(f_out, " %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); |
3c39a379 | 333 | } |
b4a6a59a JA |
334 | |
335 | /* | |
336 | * now free the list | |
337 | */ | |
338 | list_for_each_safe(entry, next, &disk_list) { | |
339 | list_del(entry); | |
340 | du = list_entry(entry, struct disk_util, list); | |
341 | free(du->name); | |
342 | free(du); | |
343 | } | |
3c39a379 JA |
344 | } |
345 | ||
346 | static void show_ddir_status(struct thread_data *td, struct group_run_stats *rs, | |
347 | int ddir) | |
348 | { | |
3c9b60c1 | 349 | const char *ddir_str[] = { "read ", "write" }; |
3c39a379 JA |
350 | unsigned long min, max; |
351 | unsigned long long bw; | |
352 | double mean, dev; | |
353 | ||
354 | if (!td->runtime[ddir]) | |
355 | return; | |
356 | ||
357 | bw = td->io_bytes[ddir] / td->runtime[ddir]; | |
eb8bbf48 | 358 | fprintf(f_out, " %s: io=%6lluMiB, bw=%6lluKiB/s, runt=%6lumsec\n", ddir_str[ddir], td->io_bytes[ddir] >> 20, bw, td->runtime[ddir]); |
3c39a379 JA |
359 | |
360 | if (calc_lat(&td->slat_stat[ddir], &min, &max, &mean, &dev)) | |
eb8bbf48 | 361 | fprintf(f_out, " slat (msec): min=%5lu, max=%5lu, avg=%5.02f, dev=%5.02f\n", min, max, mean, dev); |
3c39a379 JA |
362 | |
363 | if (calc_lat(&td->clat_stat[ddir], &min, &max, &mean, &dev)) | |
eb8bbf48 | 364 | fprintf(f_out, " clat (msec): min=%5lu, max=%5lu, avg=%5.02f, dev=%5.02f\n", min, max, mean, dev); |
3c39a379 JA |
365 | |
366 | if (calc_lat(&td->bw_stat[ddir], &min, &max, &mean, &dev)) { | |
367 | double p_of_agg; | |
368 | ||
369 | p_of_agg = mean * 100 / (double) rs->agg[ddir]; | |
eb8bbf48 | 370 | fprintf(f_out, " bw (KiB/s) : min=%5lu, max=%5lu, per=%3.2f%%, avg=%5.02f, dev=%5.02f\n", min, max, p_of_agg, mean, dev); |
3c39a379 JA |
371 | } |
372 | } | |
373 | ||
374 | static void show_thread_status(struct thread_data *td, | |
375 | struct group_run_stats *rs) | |
376 | { | |
377 | double usr_cpu, sys_cpu; | |
69008999 | 378 | unsigned long runtime; |
3c39a379 JA |
379 | |
380 | if (!(td->io_bytes[0] + td->io_bytes[1]) && !td->error) | |
381 | return; | |
382 | ||
eb8bbf48 | 383 | fprintf(f_out, "%s: (groupid=%d): err=%2d:\n",td->name, td->groupid, td->error); |
3c39a379 JA |
384 | |
385 | show_ddir_status(td, rs, td->ddir); | |
386 | if (td->io_bytes[td->ddir ^ 1]) | |
387 | show_ddir_status(td, rs, td->ddir ^ 1); | |
388 | ||
69008999 JA |
389 | runtime = mtime_since(&td->epoch, &td->end_time); |
390 | if (runtime) { | |
1e97cce9 | 391 | double runt = (double) runtime; |
3c39a379 JA |
392 | |
393 | usr_cpu = (double) td->usr_time * 100 / runt; | |
394 | sys_cpu = (double) td->sys_time * 100 / runt; | |
395 | } else { | |
396 | usr_cpu = 0; | |
397 | sys_cpu = 0; | |
398 | } | |
399 | ||
eb8bbf48 | 400 | fprintf(f_out, " cpu : usr=%3.2f%%, sys=%3.2f%%, ctx=%lu\n", usr_cpu, sys_cpu, td->ctx); |
3c39a379 JA |
401 | } |
402 | ||
c6ae0a5b JA |
403 | static void show_ddir_status_terse(struct thread_data *td, |
404 | struct group_run_stats *rs, int ddir) | |
405 | { | |
406 | unsigned long min, max; | |
407 | unsigned long long bw; | |
408 | double mean, dev; | |
409 | ||
410 | bw = 0; | |
411 | if (td->runtime[ddir]) | |
412 | bw = td->io_bytes[ddir] / td->runtime[ddir]; | |
413 | ||
414 | fprintf(f_out, ",%llu,%llu,%lu", td->io_bytes[ddir] >> 10, bw, td->runtime[ddir]); | |
415 | ||
416 | if (calc_lat(&td->slat_stat[ddir], &min, &max, &mean, &dev)) | |
417 | fprintf(f_out, ",%lu,%lu,%f,%f", min, max, mean, dev); | |
418 | else | |
419 | fprintf(f_out, ",%lu,%lu,%f,%f", 0UL, 0UL, 0.0, 0.0); | |
420 | ||
421 | if (calc_lat(&td->clat_stat[ddir], &min, &max, &mean, &dev)) | |
422 | fprintf(f_out, ",%lu,%lu,%f,%f", min, max, mean, dev); | |
423 | else | |
424 | fprintf(f_out, ",%lu,%lu,%f,%f", 0UL, 0UL, 0.0, 0.0); | |
425 | ||
426 | if (calc_lat(&td->bw_stat[ddir], &min, &max, &mean, &dev)) { | |
427 | double p_of_agg; | |
428 | ||
429 | p_of_agg = mean * 100 / (double) rs->agg[ddir]; | |
430 | fprintf(f_out, ",%lu,%lu,%f%%,%f,%f", min, max, p_of_agg, mean, dev); | |
431 | } else | |
432 | fprintf(f_out, ",%lu,%lu,%f%%,%f,%f", 0UL, 0UL, 0.0, 0.0, 0.0); | |
433 | ||
434 | } | |
435 | ||
436 | ||
437 | static void show_thread_status_terse(struct thread_data *td, | |
438 | struct group_run_stats *rs) | |
439 | { | |
440 | double usr_cpu, sys_cpu; | |
441 | ||
442 | fprintf(f_out, "%s,%d,%d",td->name, td->groupid, td->error); | |
443 | ||
444 | show_ddir_status_terse(td, rs, 0); | |
445 | show_ddir_status_terse(td, rs, 1); | |
446 | ||
447 | if (td->runtime[0] + td->runtime[1]) { | |
1e97cce9 | 448 | double runt = (double) (td->runtime[0] + td->runtime[1]); |
c6ae0a5b JA |
449 | |
450 | usr_cpu = (double) td->usr_time * 100 / runt; | |
451 | sys_cpu = (double) td->sys_time * 100 / runt; | |
452 | } else { | |
453 | usr_cpu = 0; | |
454 | sys_cpu = 0; | |
455 | } | |
456 | ||
457 | fprintf(f_out, ",%f%%,%f%%,%lu\n", usr_cpu, sys_cpu, td->ctx); | |
458 | } | |
459 | ||
3c39a379 JA |
460 | void show_run_stats(void) |
461 | { | |
462 | struct group_run_stats *runstats, *rs; | |
463 | struct thread_data *td; | |
464 | int i; | |
465 | ||
466 | runstats = malloc(sizeof(struct group_run_stats) * (groupid + 1)); | |
467 | ||
468 | for (i = 0; i < groupid + 1; i++) { | |
469 | rs = &runstats[i]; | |
470 | ||
471 | memset(rs, 0, sizeof(*rs)); | |
472 | rs->min_bw[0] = rs->min_run[0] = ~0UL; | |
473 | rs->min_bw[1] = rs->min_run[1] = ~0UL; | |
474 | } | |
475 | ||
34572e28 | 476 | for_each_td(td, i) { |
3c39a379 JA |
477 | unsigned long long rbw, wbw; |
478 | ||
3c39a379 | 479 | if (td->error) { |
eb8bbf48 | 480 | fprintf(f_out, "%s: %s\n", td->name, td->verror); |
3c39a379 JA |
481 | continue; |
482 | } | |
483 | ||
484 | rs = &runstats[td->groupid]; | |
485 | ||
486 | if (td->runtime[0] < rs->min_run[0] || !rs->min_run[0]) | |
487 | rs->min_run[0] = td->runtime[0]; | |
488 | if (td->runtime[0] > rs->max_run[0]) | |
489 | rs->max_run[0] = td->runtime[0]; | |
490 | if (td->runtime[1] < rs->min_run[1] || !rs->min_run[1]) | |
491 | rs->min_run[1] = td->runtime[1]; | |
492 | if (td->runtime[1] > rs->max_run[1]) | |
493 | rs->max_run[1] = td->runtime[1]; | |
494 | ||
495 | rbw = wbw = 0; | |
496 | if (td->runtime[0]) | |
497 | rbw = td->io_bytes[0] / (unsigned long long) td->runtime[0]; | |
498 | if (td->runtime[1]) | |
499 | wbw = td->io_bytes[1] / (unsigned long long) td->runtime[1]; | |
500 | ||
501 | if (rbw < rs->min_bw[0]) | |
502 | rs->min_bw[0] = rbw; | |
503 | if (wbw < rs->min_bw[1]) | |
504 | rs->min_bw[1] = wbw; | |
505 | if (rbw > rs->max_bw[0]) | |
506 | rs->max_bw[0] = rbw; | |
507 | if (wbw > rs->max_bw[1]) | |
508 | rs->max_bw[1] = wbw; | |
509 | ||
510 | rs->io_kb[0] += td->io_bytes[0] >> 10; | |
511 | rs->io_kb[1] += td->io_bytes[1] >> 10; | |
512 | } | |
513 | ||
514 | for (i = 0; i < groupid + 1; i++) { | |
515 | rs = &runstats[i]; | |
516 | ||
517 | if (rs->max_run[0]) | |
518 | rs->agg[0] = (rs->io_kb[0]*1024) / rs->max_run[0]; | |
519 | if (rs->max_run[1]) | |
520 | rs->agg[1] = (rs->io_kb[1]*1024) / rs->max_run[1]; | |
521 | } | |
522 | ||
523 | /* | |
524 | * don't overwrite last signal output | |
525 | */ | |
c6ae0a5b JA |
526 | if (!terse_output) |
527 | printf("\n"); | |
3c39a379 | 528 | |
34572e28 | 529 | for_each_td(td, i) { |
3c39a379 JA |
530 | rs = &runstats[td->groupid]; |
531 | ||
c6ae0a5b JA |
532 | if (terse_output) |
533 | show_thread_status_terse(td, rs); | |
534 | else | |
535 | show_thread_status(td, rs); | |
3c39a379 JA |
536 | } |
537 | ||
c6ae0a5b JA |
538 | if (!terse_output) { |
539 | for (i = 0; i < groupid + 1; i++) | |
540 | show_group_stats(&runstats[i], i); | |
3c39a379 | 541 | |
c6ae0a5b JA |
542 | show_disk_util(); |
543 | } | |
eecf272f JA |
544 | |
545 | free(runstats); | |
3c39a379 JA |
546 | } |
547 | ||
68704084 | 548 | static inline void add_stat_sample(struct io_stat *is, unsigned long data) |
3c39a379 | 549 | { |
68704084 JA |
550 | double val = data; |
551 | double delta, n; | |
552 | ||
553 | if (data > is->max_val) | |
554 | is->max_val = data; | |
555 | if (data < is->min_val) | |
556 | is->min_val = data; | |
557 | ||
558 | delta = val - is->mean; | |
559 | n = is->samples + 1.0; | |
560 | is->mean += delta / n; | |
561 | is->S += delta * (val - is->mean); | |
3c39a379 | 562 | |
3c39a379 JA |
563 | is->samples++; |
564 | } | |
565 | ||
566 | static void add_log_sample(struct thread_data *td, struct io_log *iolog, | |
1e97cce9 | 567 | unsigned long val, enum fio_ddir ddir) |
3c39a379 JA |
568 | { |
569 | if (iolog->nr_samples == iolog->max_samples) { | |
570 | int new_size = sizeof(struct io_sample) * iolog->max_samples*2; | |
571 | ||
572 | iolog->log = realloc(iolog->log, new_size); | |
573 | iolog->max_samples <<= 1; | |
574 | } | |
575 | ||
576 | iolog->log[iolog->nr_samples].val = val; | |
577 | iolog->log[iolog->nr_samples].time = mtime_since_now(&td->epoch); | |
578 | iolog->log[iolog->nr_samples].ddir = ddir; | |
579 | iolog->nr_samples++; | |
580 | } | |
581 | ||
1e97cce9 JA |
582 | void add_clat_sample(struct thread_data *td, enum fio_ddir ddir, |
583 | unsigned long msec) | |
3c39a379 JA |
584 | { |
585 | add_stat_sample(&td->clat_stat[ddir], msec); | |
586 | ||
587 | if (td->clat_log) | |
588 | add_log_sample(td, td->clat_log, msec, ddir); | |
589 | } | |
590 | ||
1e97cce9 JA |
591 | void add_slat_sample(struct thread_data *td, enum fio_ddir ddir, |
592 | unsigned long msec) | |
3c39a379 JA |
593 | { |
594 | add_stat_sample(&td->slat_stat[ddir], msec); | |
595 | ||
596 | if (td->slat_log) | |
597 | add_log_sample(td, td->slat_log, msec, ddir); | |
598 | } | |
599 | ||
1e97cce9 JA |
600 | void add_bw_sample(struct thread_data *td, enum fio_ddir ddir, |
601 | struct timeval *t) | |
3c39a379 | 602 | { |
02bcaa8c | 603 | unsigned long spent = mtime_since(&td->stat_sample_time[ddir], t); |
3c39a379 JA |
604 | unsigned long rate; |
605 | ||
606 | if (spent < td->bw_avg_time) | |
607 | return; | |
608 | ||
609 | rate = (td->this_io_bytes[ddir] - td->stat_io_bytes[ddir]) / spent; | |
610 | add_stat_sample(&td->bw_stat[ddir], rate); | |
611 | ||
612 | if (td->bw_log) | |
613 | add_log_sample(td, td->bw_log, rate, ddir); | |
614 | ||
02bcaa8c | 615 | fio_gettime(&td->stat_sample_time[ddir], NULL); |
3c39a379 JA |
616 | td->stat_io_bytes[ddir] = td->this_io_bytes[ddir]; |
617 | } | |
618 | ||
619 |