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); |
07e5b264 | 14 | static int last_majdev, last_mindev; |
3c39a379 | 15 | |
dbe1125e | 16 | /* |
34403fb1 | 17 | * Cheesy number->string conversion, complete with carry rounding error. |
dbe1125e | 18 | */ |
b3605062 | 19 | static char *num2str(unsigned long num, int maxlen, int base, int pow2) |
dbe1125e | 20 | { |
b3605062 JA |
21 | char postfix[] = { ' ', 'K', 'M', 'G', 'P', 'E' }; |
22 | unsigned int thousand; | |
dbe1125e JA |
23 | char *buf; |
24 | int i; | |
25 | ||
b3605062 JA |
26 | if (pow2) |
27 | thousand = 1024; | |
28 | else | |
29 | thousand = 1000; | |
30 | ||
dbe1125e JA |
31 | buf = malloc(128); |
32 | ||
33 | for (i = 0; base > 1; i++) | |
34 | base /= thousand; | |
35 | ||
36 | do { | |
37 | int len, carry = 0; | |
38 | ||
39 | len = sprintf(buf, "%'lu", num); | |
40 | if (len <= maxlen) { | |
b3605062 JA |
41 | if (i >= 1) { |
42 | buf[len] = postfix[i]; | |
43 | buf[len + 1] = '\0'; | |
44 | } | |
dbe1125e JA |
45 | return buf; |
46 | } | |
47 | ||
48 | if ((num % thousand) >= (thousand / 2)) | |
49 | carry = 1; | |
50 | ||
51 | num /= thousand; | |
52 | num += carry; | |
53 | i++; | |
f3502ba2 | 54 | } while (i <= 5); |
dbe1125e JA |
55 | |
56 | return buf; | |
57 | } | |
58 | ||
3c39a379 JA |
59 | static int get_io_ticks(struct disk_util *du, struct disk_util_stat *dus) |
60 | { | |
61 | unsigned in_flight; | |
62 | char line[256]; | |
63 | FILE *f; | |
64 | char *p; | |
65 | ||
66 | f = fopen(du->path, "r"); | |
67 | if (!f) | |
68 | return 1; | |
69 | ||
70 | p = fgets(line, sizeof(line), f); | |
71 | if (!p) { | |
72 | fclose(f); | |
73 | return 1; | |
74 | } | |
75 | ||
76 | 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) { | |
77 | fclose(f); | |
78 | return 1; | |
79 | } | |
80 | ||
81 | fclose(f); | |
82 | return 0; | |
83 | } | |
84 | ||
85 | static void update_io_tick_disk(struct disk_util *du) | |
86 | { | |
87 | struct disk_util_stat __dus, *dus, *ldus; | |
88 | struct timeval t; | |
89 | ||
90 | if (get_io_ticks(du, &__dus)) | |
91 | return; | |
92 | ||
93 | dus = &du->dus; | |
94 | ldus = &du->last_dus; | |
95 | ||
96 | dus->sectors[0] += (__dus.sectors[0] - ldus->sectors[0]); | |
97 | dus->sectors[1] += (__dus.sectors[1] - ldus->sectors[1]); | |
98 | dus->ios[0] += (__dus.ios[0] - ldus->ios[0]); | |
99 | dus->ios[1] += (__dus.ios[1] - ldus->ios[1]); | |
100 | dus->merges[0] += (__dus.merges[0] - ldus->merges[0]); | |
101 | dus->merges[1] += (__dus.merges[1] - ldus->merges[1]); | |
102 | dus->ticks[0] += (__dus.ticks[0] - ldus->ticks[0]); | |
103 | dus->ticks[1] += (__dus.ticks[1] - ldus->ticks[1]); | |
104 | dus->io_ticks += (__dus.io_ticks - ldus->io_ticks); | |
105 | dus->time_in_queue += (__dus.time_in_queue - ldus->time_in_queue); | |
106 | ||
02bcaa8c | 107 | fio_gettime(&t, NULL); |
3c39a379 JA |
108 | du->msec += mtime_since(&du->time, &t); |
109 | memcpy(&du->time, &t, sizeof(t)); | |
110 | memcpy(ldus, &__dus, sizeof(__dus)); | |
111 | } | |
112 | ||
113 | void update_io_ticks(void) | |
114 | { | |
115 | struct list_head *entry; | |
116 | struct disk_util *du; | |
117 | ||
118 | list_for_each(entry, &disk_list) { | |
119 | du = list_entry(entry, struct disk_util, list); | |
120 | update_io_tick_disk(du); | |
121 | } | |
122 | } | |
123 | ||
07e5b264 | 124 | static int disk_util_exists(int major, int minor) |
3c39a379 JA |
125 | { |
126 | struct list_head *entry; | |
127 | struct disk_util *du; | |
128 | ||
129 | list_for_each(entry, &disk_list) { | |
130 | du = list_entry(entry, struct disk_util, list); | |
131 | ||
07e5b264 | 132 | if (major == du->major && minor == du->minor) |
3c39a379 JA |
133 | return 1; |
134 | } | |
135 | ||
136 | return 0; | |
137 | } | |
138 | ||
07e5b264 | 139 | static void disk_util_add(int majdev, int mindev, char *path) |
3c39a379 | 140 | { |
1188caf8 JA |
141 | struct disk_util *du, *__du; |
142 | struct list_head *entry; | |
3c39a379 | 143 | |
1188caf8 | 144 | du = malloc(sizeof(*du)); |
3c39a379 JA |
145 | memset(du, 0, sizeof(*du)); |
146 | INIT_LIST_HEAD(&du->list); | |
147 | sprintf(du->path, "%s/stat", path); | |
148 | du->name = strdup(basename(path)); | |
07e5b264 JA |
149 | du->major = majdev; |
150 | du->minor = mindev; | |
3c39a379 | 151 | |
1188caf8 JA |
152 | list_for_each(entry, &disk_list) { |
153 | __du = list_entry(entry, struct disk_util, list); | |
154 | ||
155 | if (!strcmp(du->name, __du->name)) { | |
156 | free(du->name); | |
157 | free(du); | |
158 | return; | |
159 | } | |
160 | } | |
161 | ||
02bcaa8c | 162 | fio_gettime(&du->time, NULL); |
3c39a379 JA |
163 | get_io_ticks(du, &du->last_dus); |
164 | ||
165 | list_add_tail(&du->list, &disk_list); | |
166 | } | |
167 | ||
07e5b264 | 168 | static int check_dev_match(int majdev, int mindev, char *path) |
3c39a379 | 169 | { |
07e5b264 | 170 | int major, minor; |
3c39a379 JA |
171 | char line[256], *p; |
172 | FILE *f; | |
173 | ||
174 | f = fopen(path, "r"); | |
175 | if (!f) { | |
176 | perror("open path"); | |
177 | return 1; | |
178 | } | |
179 | ||
180 | p = fgets(line, sizeof(line), f); | |
181 | if (!p) { | |
182 | fclose(f); | |
183 | return 1; | |
184 | } | |
185 | ||
186 | if (sscanf(p, "%u:%u", &major, &minor) != 2) { | |
187 | fclose(f); | |
188 | return 1; | |
189 | } | |
190 | ||
07e5b264 | 191 | if (majdev == major && mindev == minor) { |
3c39a379 JA |
192 | fclose(f); |
193 | return 0; | |
194 | } | |
195 | ||
196 | fclose(f); | |
197 | return 1; | |
198 | } | |
199 | ||
07e5b264 | 200 | static int find_block_dir(int majdev, int mindev, char *path) |
3c39a379 JA |
201 | { |
202 | struct dirent *dir; | |
203 | struct stat st; | |
204 | int found = 0; | |
205 | DIR *D; | |
206 | ||
207 | D = opendir(path); | |
208 | if (!D) | |
209 | return 0; | |
210 | ||
211 | while ((dir = readdir(D)) != NULL) { | |
212 | char full_path[256]; | |
213 | ||
214 | if (!strcmp(dir->d_name, ".") || !strcmp(dir->d_name, "..")) | |
215 | continue; | |
3c39a379 JA |
216 | |
217 | sprintf(full_path, "%s/%s", path, dir->d_name); | |
218 | ||
219 | if (!strcmp(dir->d_name, "dev")) { | |
07e5b264 | 220 | if (!check_dev_match(majdev, mindev, full_path)) { |
3c39a379 JA |
221 | found = 1; |
222 | break; | |
223 | } | |
224 | } | |
225 | ||
3307d653 | 226 | if (lstat(full_path, &st) == -1) { |
3c39a379 JA |
227 | perror("stat"); |
228 | break; | |
229 | } | |
230 | ||
231 | if (!S_ISDIR(st.st_mode) || S_ISLNK(st.st_mode)) | |
232 | continue; | |
233 | ||
07e5b264 | 234 | found = find_block_dir(majdev, mindev, full_path); |
3c39a379 JA |
235 | if (found) { |
236 | strcpy(path, full_path); | |
237 | break; | |
238 | } | |
239 | } | |
240 | ||
241 | closedir(D); | |
242 | return found; | |
243 | } | |
244 | ||
55bc7fc0 | 245 | static void __init_disk_util(struct thread_data *td, struct fio_file *f) |
3c39a379 JA |
246 | { |
247 | struct stat st; | |
0bbab0e7 | 248 | char foo[PATH_MAX], tmp[PATH_MAX]; |
07e5b264 | 249 | int mindev, majdev; |
3c39a379 JA |
250 | char *p; |
251 | ||
53cdc686 | 252 | if (!stat(f->file_name, &st)) { |
07e5b264 JA |
253 | if (S_ISBLK(st.st_mode)) { |
254 | majdev = major(st.st_rdev); | |
255 | mindev = minor(st.st_rdev); | |
256 | } else if (S_ISCHR(st.st_mode)) { | |
257 | majdev = major(st.st_rdev); | |
258 | mindev = minor(st.st_rdev); | |
259 | fio_lookup_raw(st.st_rdev, &majdev, &mindev); | |
260 | } else { | |
261 | majdev = major(st.st_dev); | |
262 | mindev = minor(st.st_dev); | |
263 | } | |
3c39a379 JA |
264 | } else { |
265 | /* | |
266 | * must be a file, open "." in that path | |
267 | */ | |
0bbab0e7 | 268 | strncpy(foo, f->file_name, PATH_MAX - 1); |
3c39a379 JA |
269 | p = dirname(foo); |
270 | if (stat(p, &st)) { | |
271 | perror("disk util stat"); | |
272 | return; | |
273 | } | |
274 | ||
07e5b264 JA |
275 | majdev = major(st.st_dev); |
276 | mindev = minor(st.st_dev); | |
3c39a379 JA |
277 | } |
278 | ||
07e5b264 | 279 | if (disk_util_exists(majdev, mindev)) |
3c39a379 | 280 | return; |
c0a6b0d8 JA |
281 | |
282 | /* | |
283 | * for an fs without a device, we will repeatedly stat through | |
284 | * sysfs which can take oodles of time for thousands of files. so | |
285 | * cache the last lookup and compare with that before going through | |
286 | * everything again. | |
287 | */ | |
07e5b264 | 288 | if (mindev == last_mindev && majdev == last_majdev) |
c0a6b0d8 JA |
289 | return; |
290 | ||
07e5b264 JA |
291 | last_mindev = mindev; |
292 | last_majdev = majdev; | |
3c39a379 JA |
293 | |
294 | sprintf(foo, "/sys/block"); | |
07e5b264 | 295 | if (!find_block_dir(majdev, mindev, foo)) |
3c39a379 JA |
296 | return; |
297 | ||
298 | /* | |
299 | * If there's a ../queue/ directory there, we are inside a partition. | |
300 | * Check if that is the case and jump back. For loop/md/dm etc we | |
301 | * are already in the right spot. | |
302 | */ | |
303 | sprintf(tmp, "%s/../queue", foo); | |
304 | if (!stat(tmp, &st)) { | |
305 | p = dirname(foo); | |
306 | sprintf(tmp, "%s/queue", p); | |
307 | if (stat(tmp, &st)) { | |
3b70d7e5 | 308 | log_err("unknown sysfs layout\n"); |
3c39a379 JA |
309 | return; |
310 | } | |
0bbab0e7 | 311 | strncpy(tmp, p, PATH_MAX - 1); |
84585003 | 312 | sprintf(foo, "%s", tmp); |
3c39a379 JA |
313 | } |
314 | ||
2dc1bbeb | 315 | if (td->o.ioscheduler && !td->sysfs_root) |
eecf272f JA |
316 | td->sysfs_root = strdup(foo); |
317 | ||
07e5b264 | 318 | disk_util_add(majdev, mindev, foo); |
3c39a379 JA |
319 | } |
320 | ||
55bc7fc0 JA |
321 | void init_disk_util(struct thread_data *td) |
322 | { | |
323 | struct fio_file *f; | |
324 | unsigned int i; | |
325 | ||
2dc1bbeb | 326 | if (!td->o.do_disk_util || |
55bc7fc0 JA |
327 | (td->io_ops->flags & (FIO_DISKLESSIO | FIO_NODISKUTIL))) |
328 | return; | |
329 | ||
1c178180 | 330 | for_each_file(td, f, i) |
55bc7fc0 JA |
331 | __init_disk_util(td, f); |
332 | } | |
333 | ||
3c39a379 JA |
334 | void disk_util_timer_arm(void) |
335 | { | |
336 | itimer.it_value.tv_sec = 0; | |
337 | itimer.it_value.tv_usec = DISK_UTIL_MSEC * 1000; | |
338 | setitimer(ITIMER_REAL, &itimer, NULL); | |
339 | } | |
340 | ||
341 | void update_rusage_stat(struct thread_data *td) | |
342 | { | |
756867bd | 343 | struct thread_stat *ts = &td->ts; |
3c39a379 | 344 | |
079ad09b JA |
345 | getrusage(RUSAGE_SELF, &ts->ru_end); |
346 | ||
347 | ts->usr_time += mtime_since(&ts->ru_start.ru_utime, &ts->ru_end.ru_utime); | |
348 | ts->sys_time += mtime_since(&ts->ru_start.ru_stime, &ts->ru_end.ru_stime); | |
349 | ts->ctx += ts->ru_end.ru_nvcsw + ts->ru_end.ru_nivcsw - (ts->ru_start.ru_nvcsw + ts->ru_start.ru_nivcsw); | |
3c39a379 | 350 | |
079ad09b | 351 | memcpy(&ts->ru_start, &ts->ru_end, sizeof(ts->ru_end)); |
3c39a379 JA |
352 | } |
353 | ||
354 | static int calc_lat(struct io_stat *is, unsigned long *min, unsigned long *max, | |
355 | double *mean, double *dev) | |
356 | { | |
68704084 | 357 | double n = is->samples; |
3c39a379 JA |
358 | |
359 | if (is->samples == 0) | |
360 | return 0; | |
361 | ||
362 | *min = is->min_val; | |
363 | *max = is->max_val; | |
364 | ||
365 | n = (double) is->samples; | |
68704084 | 366 | *mean = is->mean; |
e6d276f2 | 367 | |
68704084 JA |
368 | if (n > 1.0) |
369 | *dev = sqrt(is->S / (n - 1.0)); | |
ef9c5c40 | 370 | else |
68704084 | 371 | *dev = -1.0; |
ef9c5c40 | 372 | |
3c39a379 JA |
373 | return 1; |
374 | } | |
375 | ||
376 | static void show_group_stats(struct group_run_stats *rs, int id) | |
377 | { | |
dbe1125e JA |
378 | char *p1, *p2, *p3, *p4; |
379 | const char *ddir_str[] = { " READ", " WRITE" }; | |
380 | int i; | |
381 | ||
6d86144d | 382 | log_info("\nRun status group %d (all jobs):\n", id); |
3c39a379 | 383 | |
dbe1125e JA |
384 | for (i = 0; i <= DDIR_WRITE; i++) { |
385 | if (!rs->max_run[i]) | |
386 | continue; | |
387 | ||
b3605062 JA |
388 | p1 = num2str(rs->io_kb[i], 6, 1000, 1); |
389 | p2 = num2str(rs->agg[i], 6, 1000, 1); | |
390 | p3 = num2str(rs->min_bw[i], 6, 1000, 1); | |
391 | p4 = num2str(rs->max_bw[i], 6, 1000, 1); | |
dbe1125e | 392 | |
6d86144d | 393 | log_info("%s: io=%siB, aggrb=%siB/s, minb=%siB/s, maxb=%siB/s, mint=%llumsec, maxt=%llumsec\n", ddir_str[i], p1, p2, p3, p4, rs->min_run[i], rs->max_run[i]); |
dbe1125e JA |
394 | |
395 | free(p1); | |
396 | free(p2); | |
397 | free(p3); | |
398 | free(p4); | |
399 | } | |
3c39a379 JA |
400 | } |
401 | ||
402 | static void show_disk_util(void) | |
403 | { | |
404 | struct disk_util_stat *dus; | |
b4a6a59a | 405 | struct list_head *entry, *next; |
3c39a379 JA |
406 | struct disk_util *du; |
407 | double util; | |
408 | ||
6d86144d | 409 | log_info("\nDisk stats (read/write):\n"); |
3c39a379 JA |
410 | |
411 | list_for_each(entry, &disk_list) { | |
412 | du = list_entry(entry, struct disk_util, list); | |
413 | dus = &du->dus; | |
414 | ||
415 | util = (double) 100 * du->dus.io_ticks / (double) du->msec; | |
416 | if (util > 100.0) | |
417 | util = 100.0; | |
418 | ||
6d86144d | 419 | log_info(" %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 | 420 | } |
b4a6a59a JA |
421 | |
422 | /* | |
423 | * now free the list | |
424 | */ | |
425 | list_for_each_safe(entry, next, &disk_list) { | |
426 | list_del(entry); | |
427 | du = list_entry(entry, struct disk_util, list); | |
428 | free(du->name); | |
429 | free(du); | |
430 | } | |
3c39a379 JA |
431 | } |
432 | ||
b3605062 JA |
433 | #define ts_total_io_u(ts) \ |
434 | ((ts)->total_io_u[0] + (ts)->total_io_u[1]) | |
435 | ||
2270890c JA |
436 | static void stat_calc_dist(struct thread_stat *ts, double *io_u_dist) |
437 | { | |
438 | int i; | |
439 | ||
440 | /* | |
441 | * Do depth distribution calculations | |
442 | */ | |
443 | for (i = 0; i < FIO_IO_U_MAP_NR; i++) { | |
b3605062 | 444 | io_u_dist[i] = (double) ts->io_u_map[i] / (double) ts_total_io_u(ts); |
2270890c | 445 | io_u_dist[i] *= 100.0; |
d0f62ba3 JA |
446 | if (io_u_dist[i] < 0.1 && ts->io_u_map[i]) |
447 | io_u_dist[i] = 0.1; | |
2270890c JA |
448 | } |
449 | } | |
450 | ||
451 | static void stat_calc_lat(struct thread_stat *ts, double *io_u_lat) | |
452 | { | |
453 | int i; | |
454 | ||
455 | /* | |
456 | * Do latency distribution calculations | |
457 | */ | |
458 | for (i = 0; i < FIO_IO_U_LAT_NR; i++) { | |
b3605062 | 459 | io_u_lat[i] = (double) ts->io_u_lat[i] / (double) ts_total_io_u(ts); |
2270890c | 460 | io_u_lat[i] *= 100.0; |
d0f62ba3 JA |
461 | if (io_u_lat[i] < 0.01 && ts->io_u_lat[i]) |
462 | io_u_lat[i] = 0.01; | |
2270890c JA |
463 | } |
464 | } | |
465 | ||
756867bd | 466 | static void show_ddir_status(struct group_run_stats *rs, struct thread_stat *ts, |
3c39a379 JA |
467 | int ddir) |
468 | { | |
3c9b60c1 | 469 | const char *ddir_str[] = { "read ", "write" }; |
3c39a379 | 470 | unsigned long min, max; |
b3605062 | 471 | unsigned long long bw, iops; |
3c39a379 | 472 | double mean, dev; |
b3605062 | 473 | char *io_p, *bw_p, *iops_p; |
3c39a379 | 474 | |
756867bd | 475 | if (!ts->runtime[ddir]) |
3c39a379 JA |
476 | return; |
477 | ||
756867bd | 478 | bw = ts->io_bytes[ddir] / ts->runtime[ddir]; |
b3605062 JA |
479 | iops = (1000 * ts->total_io_u[ddir]) / ts->runtime[ddir]; |
480 | io_p = num2str(ts->io_bytes[ddir] >> 10, 6, 1000, 1); | |
481 | bw_p = num2str(bw, 6, 1000, 1); | |
482 | iops_p = num2str(iops, 6, 1, 0); | |
dbe1125e | 483 | |
6d86144d | 484 | log_info(" %s: io=%siB, bw=%siB/s, iops=%s, runt=%6lumsec\n", ddir_str[ddir], io_p, bw_p, iops_p, ts->runtime[ddir]); |
dbe1125e JA |
485 | |
486 | free(io_p); | |
487 | free(bw_p); | |
b3605062 | 488 | free(iops_p); |
3c39a379 | 489 | |
079ad09b | 490 | if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev)) |
6d86144d | 491 | log_info(" slat (msec): min=%5lu, max=%5lu, avg=%5.02f, stdev=%5.02f\n", min, max, mean, dev); |
3c39a379 | 492 | |
079ad09b | 493 | if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev)) |
6d86144d | 494 | log_info(" clat (msec): min=%5lu, max=%5lu, avg=%5.02f, stdev=%5.02f\n", min, max, mean, dev); |
3c39a379 | 495 | |
079ad09b | 496 | if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) { |
3c39a379 JA |
497 | double p_of_agg; |
498 | ||
499 | p_of_agg = mean * 100 / (double) rs->agg[ddir]; | |
6d86144d | 500 | log_info(" bw (KiB/s) : min=%5lu, max=%5lu, per=%3.2f%%, avg=%5.02f, stdev=%5.02f\n", min, max, p_of_agg, mean, dev); |
3c39a379 JA |
501 | } |
502 | } | |
503 | ||
756867bd | 504 | static void show_thread_status(struct thread_stat *ts, |
3c39a379 JA |
505 | struct group_run_stats *rs) |
506 | { | |
507 | double usr_cpu, sys_cpu; | |
69008999 | 508 | unsigned long runtime; |
71619dc2 | 509 | double io_u_dist[FIO_IO_U_MAP_NR]; |
ec118304 | 510 | double io_u_lat[FIO_IO_U_LAT_NR]; |
3c39a379 | 511 | |
756867bd | 512 | if (!(ts->io_bytes[0] + ts->io_bytes[1])) |
3c39a379 JA |
513 | return; |
514 | ||
756867bd | 515 | if (!ts->error) |
6d86144d | 516 | log_info("%s: (groupid=%d, jobs=%d): err=%2d: pid=%d\n", ts->name, ts->groupid, ts->members, ts->error, ts->pid); |
6d663077 | 517 | else |
6d86144d | 518 | log_info("%s: (groupid=%d, jobs=%d): err=%2d (%s): pid=%d\n", ts->name, ts->groupid, ts->members, ts->error, ts->verror, ts->pid); |
3c39a379 | 519 | |
7bdce1bd | 520 | if (ts->description) |
6d86144d | 521 | log_info(" Description : [%s]\n", ts->description); |
7bdce1bd | 522 | |
756867bd JA |
523 | if (ts->io_bytes[DDIR_READ]) |
524 | show_ddir_status(rs, ts, DDIR_READ); | |
525 | if (ts->io_bytes[DDIR_WRITE]) | |
526 | show_ddir_status(rs, ts, DDIR_WRITE); | |
3c39a379 | 527 | |
756867bd | 528 | runtime = ts->total_run_time; |
69008999 | 529 | if (runtime) { |
1e97cce9 | 530 | double runt = (double) runtime; |
3c39a379 | 531 | |
756867bd JA |
532 | usr_cpu = (double) ts->usr_time * 100 / runt; |
533 | sys_cpu = (double) ts->sys_time * 100 / runt; | |
3c39a379 JA |
534 | } else { |
535 | usr_cpu = 0; | |
536 | sys_cpu = 0; | |
537 | } | |
538 | ||
6d86144d | 539 | log_info(" cpu : usr=%3.2f%%, sys=%3.2f%%, ctx=%lu\n", usr_cpu, sys_cpu, ts->ctx); |
71619dc2 | 540 | |
2270890c JA |
541 | stat_calc_dist(ts, io_u_dist); |
542 | stat_calc_lat(ts, io_u_lat); | |
71619dc2 | 543 | |
6d86144d | 544 | log_info(" IO depths : 1=%3.1f%%, 2=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%, 16=%3.1f%%, 32=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0], io_u_dist[1], io_u_dist[2], io_u_dist[3], io_u_dist[4], io_u_dist[5], io_u_dist[6]); |
61697c37 | 545 | |
d0f62ba3 JA |
546 | log_info(" lat (msec): 2=%3.2f%%, 4=%3.2f%%, 10=%3.2f%%, 20=%3.2f%%, 50=%3.2f%%, 100=%3.2f%%\n", io_u_lat[0], io_u_lat[1], io_u_lat[2], io_u_lat[3], io_u_lat[4], io_u_lat[5]); |
547 | log_info(" lat (msec): 250=%3.2f%%, 500=%3.2f%%, 750=%3.2f%%, 1000=%3.2f%%, >=2000=%3.2f%%\n", io_u_lat[6], io_u_lat[7], io_u_lat[8], io_u_lat[9], io_u_lat[10]); | |
3c39a379 JA |
548 | } |
549 | ||
756867bd | 550 | static void show_ddir_status_terse(struct thread_stat *ts, |
c6ae0a5b JA |
551 | struct group_run_stats *rs, int ddir) |
552 | { | |
553 | unsigned long min, max; | |
554 | unsigned long long bw; | |
555 | double mean, dev; | |
556 | ||
557 | bw = 0; | |
756867bd JA |
558 | if (ts->runtime[ddir]) |
559 | bw = ts->io_bytes[ddir] / ts->runtime[ddir]; | |
c6ae0a5b | 560 | |
6d86144d | 561 | log_info(";%llu;%llu;%lu", ts->io_bytes[ddir] >> 10, bw, ts->runtime[ddir]); |
c6ae0a5b | 562 | |
079ad09b | 563 | if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev)) |
6d86144d | 564 | log_info(";%lu;%lu;%f;%f", min, max, mean, dev); |
c6ae0a5b | 565 | else |
6d86144d | 566 | log_info(";%lu;%lu;%f;%f", 0UL, 0UL, 0.0, 0.0); |
c6ae0a5b | 567 | |
079ad09b | 568 | if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev)) |
6d86144d | 569 | log_info(";%lu;%lu;%f;%f", min, max, mean, dev); |
c6ae0a5b | 570 | else |
6d86144d | 571 | log_info(";%lu;%lu;%f;%f", 0UL, 0UL, 0.0, 0.0); |
c6ae0a5b | 572 | |
079ad09b | 573 | if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) { |
c6ae0a5b JA |
574 | double p_of_agg; |
575 | ||
576 | p_of_agg = mean * 100 / (double) rs->agg[ddir]; | |
6d86144d | 577 | log_info(";%lu;%lu;%f%%;%f;%f", min, max, p_of_agg, mean, dev); |
c6ae0a5b | 578 | } else |
6d86144d | 579 | log_info(";%lu;%lu;%f%%;%f;%f", 0UL, 0UL, 0.0, 0.0, 0.0); |
c6ae0a5b JA |
580 | } |
581 | ||
582 | ||
756867bd | 583 | static void show_thread_status_terse(struct thread_stat *ts, |
c6ae0a5b JA |
584 | struct group_run_stats *rs) |
585 | { | |
2270890c JA |
586 | double io_u_dist[FIO_IO_U_MAP_NR]; |
587 | double io_u_lat[FIO_IO_U_LAT_NR]; | |
c6ae0a5b JA |
588 | double usr_cpu, sys_cpu; |
589 | ||
6d86144d | 590 | log_info("%s;%d;%d", ts->name, ts->groupid, ts->error); |
c6ae0a5b | 591 | |
756867bd JA |
592 | show_ddir_status_terse(ts, rs, 0); |
593 | show_ddir_status_terse(ts, rs, 1); | |
c6ae0a5b | 594 | |
756867bd JA |
595 | if (ts->total_run_time) { |
596 | double runt = (double) ts->total_run_time; | |
c6ae0a5b | 597 | |
756867bd JA |
598 | usr_cpu = (double) ts->usr_time * 100 / runt; |
599 | sys_cpu = (double) ts->sys_time * 100 / runt; | |
c6ae0a5b JA |
600 | } else { |
601 | usr_cpu = 0; | |
602 | sys_cpu = 0; | |
603 | } | |
604 | ||
6d86144d | 605 | log_info(";%f%%;%f%%;%lu", usr_cpu, sys_cpu, ts->ctx); |
2270890c JA |
606 | |
607 | stat_calc_dist(ts, io_u_dist); | |
608 | stat_calc_lat(ts, io_u_lat); | |
609 | ||
6d86144d | 610 | log_info(";%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%", io_u_dist[0], io_u_dist[1], io_u_dist[2], io_u_dist[3], io_u_dist[4], io_u_dist[5], io_u_dist[6]); |
2270890c | 611 | |
d0f62ba3 JA |
612 | log_info(";%3.2f%%;%3.2f%%;%3.2f%%;%3.2f%%;%3.2f%%;%3.2f%%\n", io_u_lat[0], io_u_lat[1], io_u_lat[2], io_u_lat[3], io_u_lat[4], io_u_lat[5]); |
613 | log_info(";%3.2f%%;%3.2f%%;%3.2f%%;%3.2f%%;%3.2f%%", io_u_lat[6], io_u_lat[7], io_u_lat[8], io_u_lat[9], io_u_lat[10]); | |
2270890c JA |
614 | |
615 | if (ts->description) | |
6d86144d | 616 | log_info(";%s", ts->description); |
2270890c | 617 | |
6d86144d | 618 | log_info("\n"); |
756867bd JA |
619 | } |
620 | ||
197574e4 | 621 | static void sum_stat(struct io_stat *dst, struct io_stat *src, int nr) |
756867bd JA |
622 | { |
623 | double mean, S; | |
624 | ||
625 | dst->min_val = min(dst->min_val, src->min_val); | |
626 | dst->max_val = max(dst->max_val, src->max_val); | |
627 | dst->samples += src->samples; | |
628 | ||
629 | /* | |
630 | * Needs a new method for calculating stddev, we cannot just | |
631 | * average them we do below for nr > 1 | |
632 | */ | |
633 | if (nr == 1) { | |
634 | mean = src->mean; | |
635 | S = src->S; | |
636 | } else { | |
c39cced6 JA |
637 | mean = ((src->mean * (double) (nr - 1)) + dst->mean) / ((double) nr); |
638 | S = ((src->S * (double) (nr - 1)) + dst->S) / ((double) nr); | |
756867bd JA |
639 | } |
640 | ||
641 | dst->mean = mean; | |
642 | dst->S = S; | |
643 | } | |
644 | ||
3c39a379 JA |
645 | void show_run_stats(void) |
646 | { | |
647 | struct group_run_stats *runstats, *rs; | |
648 | struct thread_data *td; | |
756867bd | 649 | struct thread_stat *threadstats, *ts; |
197574e4 | 650 | int i, j, k, l, nr_ts, last_ts, idx; |
3c39a379 JA |
651 | |
652 | runstats = malloc(sizeof(struct group_run_stats) * (groupid + 1)); | |
653 | ||
654 | for (i = 0; i < groupid + 1; i++) { | |
655 | rs = &runstats[i]; | |
656 | ||
657 | memset(rs, 0, sizeof(*rs)); | |
658 | rs->min_bw[0] = rs->min_run[0] = ~0UL; | |
659 | rs->min_bw[1] = rs->min_run[1] = ~0UL; | |
660 | } | |
661 | ||
756867bd JA |
662 | /* |
663 | * find out how many threads stats we need. if group reporting isn't | |
664 | * enabled, it's one-per-td. | |
665 | */ | |
666 | nr_ts = 0; | |
667 | last_ts = -1; | |
668 | for_each_td(td, i) { | |
2dc1bbeb | 669 | if (!td->o.group_reporting) { |
756867bd JA |
670 | nr_ts++; |
671 | continue; | |
672 | } | |
673 | if (last_ts == td->groupid) | |
674 | continue; | |
675 | ||
676 | last_ts = td->groupid; | |
677 | nr_ts++; | |
678 | } | |
679 | ||
680 | threadstats = malloc(nr_ts * sizeof(struct thread_stat)); | |
681 | ||
682 | for (i = 0; i < nr_ts; i++) { | |
683 | ts = &threadstats[i]; | |
684 | ||
685 | memset(ts, 0, sizeof(*ts)); | |
de64df05 | 686 | for (j = 0; j <= DDIR_WRITE; j++) { |
197574e4 JA |
687 | ts->clat_stat[j].min_val = -1UL; |
688 | ts->slat_stat[j].min_val = -1UL; | |
689 | ts->bw_stat[j].min_val = -1UL; | |
690 | } | |
7abd0e3a | 691 | ts->groupid = -1; |
756867bd JA |
692 | } |
693 | ||
694 | j = 0; | |
695 | last_ts = -1; | |
197574e4 | 696 | idx = 0; |
34572e28 | 697 | for_each_td(td, i) { |
2dc1bbeb JA |
698 | if (idx && (!td->o.group_reporting || |
699 | (td->o.group_reporting && last_ts != td->groupid))) { | |
7abd0e3a JA |
700 | idx = 0; |
701 | j++; | |
702 | } | |
703 | ||
704 | last_ts = td->groupid; | |
705 | ||
756867bd JA |
706 | ts = &threadstats[j]; |
707 | ||
197574e4 | 708 | idx++; |
6586ee89 | 709 | ts->members++; |
756867bd | 710 | |
7abd0e3a | 711 | if (ts->groupid == -1) { |
2dc84ba7 JA |
712 | /* |
713 | * These are per-group shared already | |
714 | */ | |
2dc1bbeb JA |
715 | ts->name = td->o.name; |
716 | ts->description = td->o.description; | |
756867bd | 717 | ts->groupid = td->groupid; |
2dc84ba7 JA |
718 | |
719 | /* | |
720 | * first pid in group, not very useful... | |
721 | */ | |
756867bd | 722 | ts->pid = td->pid; |
2dc84ba7 JA |
723 | } |
724 | ||
725 | if (td->error && !ts->error) { | |
726 | ts->error = td->error; | |
756867bd JA |
727 | ts->verror = td->verror; |
728 | } | |
729 | ||
de64df05 | 730 | for (l = 0; l <= DDIR_WRITE; l++) { |
197574e4 JA |
731 | sum_stat(&ts->clat_stat[l], &td->ts.clat_stat[l], idx); |
732 | sum_stat(&ts->slat_stat[l], &td->ts.slat_stat[l], idx); | |
733 | sum_stat(&ts->bw_stat[l], &td->ts.bw_stat[l], idx); | |
756867bd | 734 | |
197574e4 JA |
735 | ts->stat_io_bytes[l] += td->ts.stat_io_bytes[l]; |
736 | ts->io_bytes[l] += td->ts.io_bytes[l]; | |
737 | ||
738 | if (ts->runtime[l] < td->ts.runtime[l]) | |
739 | ts->runtime[l] = td->ts.runtime[l]; | |
740 | } | |
756867bd JA |
741 | |
742 | ts->usr_time += td->ts.usr_time; | |
743 | ts->sys_time += td->ts.sys_time; | |
744 | ts->ctx += td->ts.ctx; | |
745 | ||
746 | for (k = 0; k < FIO_IO_U_MAP_NR; k++) | |
747 | ts->io_u_map[k] += td->ts.io_u_map[k]; | |
748 | for (k = 0; k < FIO_IO_U_LAT_NR; k++) | |
749 | ts->io_u_lat[k] += td->ts.io_u_lat[k]; | |
750 | ||
b3605062 JA |
751 | for (k = 0; k <= DDIR_WRITE; k++) |
752 | ts->total_io_u[k] += td->ts.total_io_u[k]; | |
756867bd JA |
753 | |
754 | ts->total_run_time += td->ts.total_run_time; | |
756867bd JA |
755 | } |
756 | ||
757 | for (i = 0; i < nr_ts; i++) { | |
94370ac4 | 758 | unsigned long long bw; |
3c39a379 | 759 | |
756867bd JA |
760 | ts = &threadstats[i]; |
761 | rs = &runstats[ts->groupid]; | |
3c39a379 | 762 | |
de64df05 | 763 | for (j = 0; j <= DDIR_WRITE; j++) { |
94370ac4 JA |
764 | if (!ts->runtime[j]) |
765 | continue; | |
766 | if (ts->runtime[j] < rs->min_run[j] || !rs->min_run[j]) | |
767 | rs->min_run[j] = ts->runtime[j]; | |
768 | if (ts->runtime[j] > rs->max_run[j]) | |
769 | rs->max_run[j] = ts->runtime[j]; | |
770 | ||
771 | bw = 0; | |
772 | if (ts->runtime[j]) | |
773 | bw = ts->io_bytes[j] / (unsigned long long) ts->runtime[j]; | |
774 | if (bw < rs->min_bw[j]) | |
775 | rs->min_bw[j] = bw; | |
776 | if (bw > rs->max_bw[j]) | |
777 | rs->max_bw[j] = bw; | |
778 | ||
779 | rs->io_kb[j] += ts->io_bytes[j] >> 10; | |
780 | } | |
3c39a379 JA |
781 | } |
782 | ||
783 | for (i = 0; i < groupid + 1; i++) { | |
784 | rs = &runstats[i]; | |
785 | ||
786 | if (rs->max_run[0]) | |
787 | rs->agg[0] = (rs->io_kb[0]*1024) / rs->max_run[0]; | |
788 | if (rs->max_run[1]) | |
789 | rs->agg[1] = (rs->io_kb[1]*1024) / rs->max_run[1]; | |
790 | } | |
791 | ||
792 | /* | |
793 | * don't overwrite last signal output | |
794 | */ | |
c6ae0a5b JA |
795 | if (!terse_output) |
796 | printf("\n"); | |
3c39a379 | 797 | |
756867bd JA |
798 | for (i = 0; i < nr_ts; i++) { |
799 | ts = &threadstats[i]; | |
800 | rs = &runstats[ts->groupid]; | |
3c39a379 | 801 | |
c6ae0a5b | 802 | if (terse_output) |
756867bd | 803 | show_thread_status_terse(ts, rs); |
c6ae0a5b | 804 | else |
756867bd | 805 | show_thread_status(ts, rs); |
3c39a379 JA |
806 | } |
807 | ||
c6ae0a5b JA |
808 | if (!terse_output) { |
809 | for (i = 0; i < groupid + 1; i++) | |
810 | show_group_stats(&runstats[i], i); | |
3c39a379 | 811 | |
c6ae0a5b JA |
812 | show_disk_util(); |
813 | } | |
eecf272f JA |
814 | |
815 | free(runstats); | |
756867bd | 816 | free(threadstats); |
3c39a379 JA |
817 | } |
818 | ||
68704084 | 819 | static inline void add_stat_sample(struct io_stat *is, unsigned long data) |
3c39a379 | 820 | { |
68704084 | 821 | double val = data; |
6660cc67 | 822 | double delta; |
68704084 JA |
823 | |
824 | if (data > is->max_val) | |
825 | is->max_val = data; | |
826 | if (data < is->min_val) | |
827 | is->min_val = data; | |
828 | ||
829 | delta = val - is->mean; | |
ef11d737 JA |
830 | if (delta) { |
831 | is->mean += delta / (is->samples + 1.0); | |
832 | is->S += delta * (val - is->mean); | |
833 | } | |
3c39a379 | 834 | |
3c39a379 JA |
835 | is->samples++; |
836 | } | |
837 | ||
bb3884d8 JA |
838 | static void __add_log_sample(struct io_log *iolog, unsigned long val, |
839 | enum fio_ddir ddir, unsigned long time) | |
3c39a379 JA |
840 | { |
841 | if (iolog->nr_samples == iolog->max_samples) { | |
842 | int new_size = sizeof(struct io_sample) * iolog->max_samples*2; | |
843 | ||
844 | iolog->log = realloc(iolog->log, new_size); | |
845 | iolog->max_samples <<= 1; | |
846 | } | |
847 | ||
848 | iolog->log[iolog->nr_samples].val = val; | |
bb3884d8 | 849 | iolog->log[iolog->nr_samples].time = time; |
3c39a379 JA |
850 | iolog->log[iolog->nr_samples].ddir = ddir; |
851 | iolog->nr_samples++; | |
852 | } | |
853 | ||
bb3884d8 JA |
854 | static void add_log_sample(struct thread_data *td, struct io_log *iolog, |
855 | unsigned long val, enum fio_ddir ddir) | |
856 | { | |
857 | __add_log_sample(iolog, val, ddir, mtime_since_now(&td->epoch)); | |
858 | } | |
859 | ||
860 | void add_agg_sample(unsigned long val, enum fio_ddir ddir) | |
861 | { | |
862 | struct io_log *iolog = agg_io_log[ddir]; | |
863 | ||
864 | __add_log_sample(iolog, val, ddir, mtime_since_genesis()); | |
865 | } | |
866 | ||
1e97cce9 JA |
867 | void add_clat_sample(struct thread_data *td, enum fio_ddir ddir, |
868 | unsigned long msec) | |
3c39a379 | 869 | { |
756867bd | 870 | struct thread_stat *ts = &td->ts; |
079ad09b JA |
871 | |
872 | add_stat_sample(&ts->clat_stat[ddir], msec); | |
3c39a379 | 873 | |
079ad09b JA |
874 | if (ts->clat_log) |
875 | add_log_sample(td, ts->clat_log, msec, ddir); | |
3c39a379 JA |
876 | } |
877 | ||
1e97cce9 JA |
878 | void add_slat_sample(struct thread_data *td, enum fio_ddir ddir, |
879 | unsigned long msec) | |
3c39a379 | 880 | { |
756867bd | 881 | struct thread_stat *ts = &td->ts; |
079ad09b JA |
882 | |
883 | add_stat_sample(&ts->slat_stat[ddir], msec); | |
3c39a379 | 884 | |
079ad09b JA |
885 | if (ts->slat_log) |
886 | add_log_sample(td, ts->slat_log, msec, ddir); | |
3c39a379 JA |
887 | } |
888 | ||
1e97cce9 JA |
889 | void add_bw_sample(struct thread_data *td, enum fio_ddir ddir, |
890 | struct timeval *t) | |
3c39a379 | 891 | { |
756867bd | 892 | struct thread_stat *ts = &td->ts; |
079ad09b | 893 | unsigned long spent = mtime_since(&ts->stat_sample_time[ddir], t); |
3c39a379 JA |
894 | unsigned long rate; |
895 | ||
2dc1bbeb | 896 | if (spent < td->o.bw_avg_time) |
3c39a379 JA |
897 | return; |
898 | ||
079ad09b JA |
899 | rate = (td->this_io_bytes[ddir] - ts->stat_io_bytes[ddir]) / spent; |
900 | add_stat_sample(&ts->bw_stat[ddir], rate); | |
3c39a379 | 901 | |
079ad09b JA |
902 | if (ts->bw_log) |
903 | add_log_sample(td, ts->bw_log, rate, ddir); | |
3c39a379 | 904 | |
079ad09b JA |
905 | fio_gettime(&ts->stat_sample_time[ddir], NULL); |
906 | ts->stat_io_bytes[ddir] = td->this_io_bytes[ddir]; | |
3c39a379 | 907 | } |