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