Commit | Line | Data |
---|---|---|
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 | 14 | |
dbe1125e JA |
15 | /* |
16 | * Cheasy number->string conversion, complete with carry rounding error. | |
17 | */ | |
18 | static char *num2str(unsigned long num, int maxlen, int base) | |
19 | { | |
20 | /* | |
21 | * could be passed in for 10^3 base, but every caller expects | |
22 | * 2^10 base right now. | |
23 | */ | |
c8c51efd | 24 | const unsigned int thousand = 1024; |
f3502ba2 | 25 | char postfix[] = { 'K', 'M', 'G', 'P', 'E' }; |
dbe1125e JA |
26 | char *buf; |
27 | int i; | |
28 | ||
29 | buf = malloc(128); | |
30 | ||
31 | for (i = 0; base > 1; i++) | |
32 | base /= thousand; | |
33 | ||
34 | do { | |
35 | int len, carry = 0; | |
36 | ||
37 | len = sprintf(buf, "%'lu", num); | |
38 | if (len <= maxlen) { | |
39 | buf[len] = postfix[i]; | |
40 | buf[len + 1] = '\0'; | |
41 | return buf; | |
42 | } | |
43 | ||
44 | if ((num % thousand) >= (thousand / 2)) | |
45 | carry = 1; | |
46 | ||
47 | num /= thousand; | |
48 | num += carry; | |
49 | i++; | |
f3502ba2 | 50 | } while (i <= 5); |
dbe1125e JA |
51 | |
52 | return buf; | |
53 | } | |
54 | ||
3c39a379 JA |
55 | static int get_io_ticks(struct disk_util *du, struct disk_util_stat *dus) |
56 | { | |
57 | unsigned in_flight; | |
58 | char line[256]; | |
59 | FILE *f; | |
60 | char *p; | |
61 | ||
62 | f = fopen(du->path, "r"); | |
63 | if (!f) | |
64 | return 1; | |
65 | ||
66 | p = fgets(line, sizeof(line), f); | |
67 | if (!p) { | |
68 | fclose(f); | |
69 | return 1; | |
70 | } | |
71 | ||
72 | 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) { | |
73 | fclose(f); | |
74 | return 1; | |
75 | } | |
76 | ||
77 | fclose(f); | |
78 | return 0; | |
79 | } | |
80 | ||
81 | static void update_io_tick_disk(struct disk_util *du) | |
82 | { | |
83 | struct disk_util_stat __dus, *dus, *ldus; | |
84 | struct timeval t; | |
85 | ||
86 | if (get_io_ticks(du, &__dus)) | |
87 | return; | |
88 | ||
89 | dus = &du->dus; | |
90 | ldus = &du->last_dus; | |
91 | ||
92 | dus->sectors[0] += (__dus.sectors[0] - ldus->sectors[0]); | |
93 | dus->sectors[1] += (__dus.sectors[1] - ldus->sectors[1]); | |
94 | dus->ios[0] += (__dus.ios[0] - ldus->ios[0]); | |
95 | dus->ios[1] += (__dus.ios[1] - ldus->ios[1]); | |
96 | dus->merges[0] += (__dus.merges[0] - ldus->merges[0]); | |
97 | dus->merges[1] += (__dus.merges[1] - ldus->merges[1]); | |
98 | dus->ticks[0] += (__dus.ticks[0] - ldus->ticks[0]); | |
99 | dus->ticks[1] += (__dus.ticks[1] - ldus->ticks[1]); | |
100 | dus->io_ticks += (__dus.io_ticks - ldus->io_ticks); | |
101 | dus->time_in_queue += (__dus.time_in_queue - ldus->time_in_queue); | |
102 | ||
02bcaa8c | 103 | fio_gettime(&t, NULL); |
3c39a379 JA |
104 | du->msec += mtime_since(&du->time, &t); |
105 | memcpy(&du->time, &t, sizeof(t)); | |
106 | memcpy(ldus, &__dus, sizeof(__dus)); | |
107 | } | |
108 | ||
109 | void update_io_ticks(void) | |
110 | { | |
111 | struct list_head *entry; | |
112 | struct disk_util *du; | |
113 | ||
114 | list_for_each(entry, &disk_list) { | |
115 | du = list_entry(entry, struct disk_util, list); | |
116 | update_io_tick_disk(du); | |
117 | } | |
118 | } | |
119 | ||
120 | static int disk_util_exists(dev_t dev) | |
121 | { | |
122 | struct list_head *entry; | |
123 | struct disk_util *du; | |
124 | ||
125 | list_for_each(entry, &disk_list) { | |
126 | du = list_entry(entry, struct disk_util, list); | |
127 | ||
128 | if (du->dev == dev) | |
129 | return 1; | |
130 | } | |
131 | ||
132 | return 0; | |
133 | } | |
134 | ||
135 | static void disk_util_add(dev_t dev, char *path) | |
136 | { | |
1188caf8 JA |
137 | struct disk_util *du, *__du; |
138 | struct list_head *entry; | |
3c39a379 | 139 | |
1188caf8 | 140 | du = malloc(sizeof(*du)); |
3c39a379 JA |
141 | memset(du, 0, sizeof(*du)); |
142 | INIT_LIST_HEAD(&du->list); | |
143 | sprintf(du->path, "%s/stat", path); | |
144 | du->name = strdup(basename(path)); | |
145 | du->dev = dev; | |
146 | ||
1188caf8 JA |
147 | list_for_each(entry, &disk_list) { |
148 | __du = list_entry(entry, struct disk_util, list); | |
149 | ||
150 | if (!strcmp(du->name, __du->name)) { | |
151 | free(du->name); | |
152 | free(du); | |
153 | return; | |
154 | } | |
155 | } | |
156 | ||
02bcaa8c | 157 | fio_gettime(&du->time, NULL); |
3c39a379 JA |
158 | get_io_ticks(du, &du->last_dus); |
159 | ||
160 | list_add_tail(&du->list, &disk_list); | |
161 | } | |
162 | ||
163 | static int check_dev_match(dev_t dev, char *path) | |
164 | { | |
165 | unsigned int major, minor; | |
166 | char line[256], *p; | |
167 | FILE *f; | |
168 | ||
169 | f = fopen(path, "r"); | |
170 | if (!f) { | |
171 | perror("open path"); | |
172 | return 1; | |
173 | } | |
174 | ||
175 | p = fgets(line, sizeof(line), f); | |
176 | if (!p) { | |
177 | fclose(f); | |
178 | return 1; | |
179 | } | |
180 | ||
181 | if (sscanf(p, "%u:%u", &major, &minor) != 2) { | |
182 | fclose(f); | |
183 | return 1; | |
184 | } | |
185 | ||
186 | if (((major << 8) | minor) == dev) { | |
187 | fclose(f); | |
188 | return 0; | |
189 | } | |
190 | ||
191 | fclose(f); | |
192 | return 1; | |
193 | } | |
194 | ||
195 | static int find_block_dir(dev_t dev, char *path) | |
196 | { | |
197 | struct dirent *dir; | |
198 | struct stat st; | |
199 | int found = 0; | |
200 | DIR *D; | |
201 | ||
202 | D = opendir(path); | |
203 | if (!D) | |
204 | return 0; | |
205 | ||
206 | while ((dir = readdir(D)) != NULL) { | |
207 | char full_path[256]; | |
208 | ||
209 | if (!strcmp(dir->d_name, ".") || !strcmp(dir->d_name, "..")) | |
210 | continue; | |
3c39a379 JA |
211 | |
212 | sprintf(full_path, "%s/%s", path, dir->d_name); | |
213 | ||
214 | if (!strcmp(dir->d_name, "dev")) { | |
215 | if (!check_dev_match(dev, full_path)) { | |
216 | found = 1; | |
217 | break; | |
218 | } | |
219 | } | |
220 | ||
3307d653 | 221 | if (lstat(full_path, &st) == -1) { |
3c39a379 JA |
222 | perror("stat"); |
223 | break; | |
224 | } | |
225 | ||
226 | if (!S_ISDIR(st.st_mode) || S_ISLNK(st.st_mode)) | |
227 | continue; | |
228 | ||
229 | found = find_block_dir(dev, full_path); | |
230 | if (found) { | |
231 | strcpy(path, full_path); | |
232 | break; | |
233 | } | |
234 | } | |
235 | ||
236 | closedir(D); | |
237 | return found; | |
238 | } | |
239 | ||
240 | void init_disk_util(struct thread_data *td) | |
241 | { | |
53cdc686 | 242 | struct fio_file *f; |
3c39a379 | 243 | struct stat st; |
0bbab0e7 | 244 | char foo[PATH_MAX], tmp[PATH_MAX]; |
3c39a379 JA |
245 | dev_t dev; |
246 | char *p; | |
247 | ||
4d9345ae | 248 | if (!td->do_disk_util || (td->io_ops->flags & (FIO_NETIO | FIO_NULLIO))) |
3c39a379 JA |
249 | return; |
250 | ||
53cdc686 JA |
251 | /* |
252 | * Just use the same file, they are on the same device. | |
253 | */ | |
254 | f = &td->files[0]; | |
255 | if (!stat(f->file_name, &st)) { | |
3c39a379 JA |
256 | if (S_ISBLK(st.st_mode)) |
257 | dev = st.st_rdev; | |
258 | else | |
259 | dev = st.st_dev; | |
260 | } else { | |
261 | /* | |
262 | * must be a file, open "." in that path | |
263 | */ | |
0bbab0e7 | 264 | strncpy(foo, f->file_name, PATH_MAX - 1); |
3c39a379 JA |
265 | p = dirname(foo); |
266 | if (stat(p, &st)) { | |
267 | perror("disk util stat"); | |
268 | return; | |
269 | } | |
270 | ||
271 | dev = st.st_dev; | |
272 | } | |
273 | ||
274 | if (disk_util_exists(dev)) | |
275 | return; | |
276 | ||
277 | sprintf(foo, "/sys/block"); | |
278 | if (!find_block_dir(dev, foo)) | |
279 | return; | |
280 | ||
281 | /* | |
282 | * If there's a ../queue/ directory there, we are inside a partition. | |
283 | * Check if that is the case and jump back. For loop/md/dm etc we | |
284 | * are already in the right spot. | |
285 | */ | |
286 | sprintf(tmp, "%s/../queue", foo); | |
287 | if (!stat(tmp, &st)) { | |
288 | p = dirname(foo); | |
289 | sprintf(tmp, "%s/queue", p); | |
290 | if (stat(tmp, &st)) { | |
3b70d7e5 | 291 | log_err("unknown sysfs layout\n"); |
3c39a379 JA |
292 | return; |
293 | } | |
0bbab0e7 | 294 | strncpy(tmp, p, PATH_MAX - 1); |
84585003 | 295 | sprintf(foo, "%s", tmp); |
3c39a379 JA |
296 | } |
297 | ||
eecf272f JA |
298 | if (td->ioscheduler) |
299 | td->sysfs_root = strdup(foo); | |
300 | ||
3c39a379 JA |
301 | disk_util_add(dev, foo); |
302 | } | |
303 | ||
304 | void disk_util_timer_arm(void) | |
305 | { | |
306 | itimer.it_value.tv_sec = 0; | |
307 | itimer.it_value.tv_usec = DISK_UTIL_MSEC * 1000; | |
308 | setitimer(ITIMER_REAL, &itimer, NULL); | |
309 | } | |
310 | ||
311 | void update_rusage_stat(struct thread_data *td) | |
312 | { | |
3c39a379 JA |
313 | getrusage(RUSAGE_SELF, &td->ru_end); |
314 | ||
315 | td->usr_time += mtime_since(&td->ru_start.ru_utime, &td->ru_end.ru_utime); | |
316 | td->sys_time += mtime_since(&td->ru_start.ru_stime, &td->ru_end.ru_stime); | |
317 | td->ctx += td->ru_end.ru_nvcsw + td->ru_end.ru_nivcsw - (td->ru_start.ru_nvcsw + td->ru_start.ru_nivcsw); | |
3c39a379 JA |
318 | |
319 | memcpy(&td->ru_start, &td->ru_end, sizeof(td->ru_end)); | |
320 | } | |
321 | ||
322 | static int calc_lat(struct io_stat *is, unsigned long *min, unsigned long *max, | |
323 | double *mean, double *dev) | |
324 | { | |
68704084 | 325 | double n = is->samples; |
3c39a379 JA |
326 | |
327 | if (is->samples == 0) | |
328 | return 0; | |
329 | ||
330 | *min = is->min_val; | |
331 | *max = is->max_val; | |
332 | ||
333 | n = (double) is->samples; | |
68704084 | 334 | *mean = is->mean; |
e6d276f2 | 335 | |
68704084 JA |
336 | if (n > 1.0) |
337 | *dev = sqrt(is->S / (n - 1.0)); | |
ef9c5c40 | 338 | else |
68704084 | 339 | *dev = -1.0; |
ef9c5c40 | 340 | |
3c39a379 JA |
341 | return 1; |
342 | } | |
343 | ||
344 | static void show_group_stats(struct group_run_stats *rs, int id) | |
345 | { | |
dbe1125e JA |
346 | char *p1, *p2, *p3, *p4; |
347 | const char *ddir_str[] = { " READ", " WRITE" }; | |
348 | int i; | |
349 | ||
eb8bbf48 | 350 | fprintf(f_out, "\nRun status group %d (all jobs):\n", id); |
3c39a379 | 351 | |
dbe1125e JA |
352 | for (i = 0; i <= DDIR_WRITE; i++) { |
353 | if (!rs->max_run[i]) | |
354 | continue; | |
355 | ||
356 | p1 = num2str(rs->io_kb[i], 6, 1); | |
357 | p2 = num2str(rs->agg[i], 6, 1); | |
358 | p3 = num2str(rs->min_bw[i], 6, 1); | |
359 | p4 = num2str(rs->max_bw[i], 6, 1); | |
360 | ||
361 | fprintf(f_out, "%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[0], rs->max_run[0]); | |
362 | ||
363 | free(p1); | |
364 | free(p2); | |
365 | free(p3); | |
366 | free(p4); | |
367 | } | |
3c39a379 JA |
368 | } |
369 | ||
370 | static void show_disk_util(void) | |
371 | { | |
372 | struct disk_util_stat *dus; | |
b4a6a59a | 373 | struct list_head *entry, *next; |
3c39a379 JA |
374 | struct disk_util *du; |
375 | double util; | |
376 | ||
eb8bbf48 | 377 | fprintf(f_out, "\nDisk stats (read/write):\n"); |
3c39a379 JA |
378 | |
379 | list_for_each(entry, &disk_list) { | |
380 | du = list_entry(entry, struct disk_util, list); | |
381 | dus = &du->dus; | |
382 | ||
383 | util = (double) 100 * du->dus.io_ticks / (double) du->msec; | |
384 | if (util > 100.0) | |
385 | util = 100.0; | |
386 | ||
eb8bbf48 | 387 | 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 | 388 | } |
b4a6a59a JA |
389 | |
390 | /* | |
391 | * now free the list | |
392 | */ | |
393 | list_for_each_safe(entry, next, &disk_list) { | |
394 | list_del(entry); | |
395 | du = list_entry(entry, struct disk_util, list); | |
396 | free(du->name); | |
397 | free(du); | |
398 | } | |
3c39a379 JA |
399 | } |
400 | ||
401 | static void show_ddir_status(struct thread_data *td, struct group_run_stats *rs, | |
402 | int ddir) | |
403 | { | |
3c9b60c1 | 404 | const char *ddir_str[] = { "read ", "write" }; |
3c39a379 JA |
405 | unsigned long min, max; |
406 | unsigned long long bw; | |
407 | double mean, dev; | |
dbe1125e | 408 | char *io_p, *bw_p; |
3c39a379 JA |
409 | |
410 | if (!td->runtime[ddir]) | |
411 | return; | |
412 | ||
413 | bw = td->io_bytes[ddir] / td->runtime[ddir]; | |
dbe1125e JA |
414 | io_p = num2str(td->io_bytes[ddir] >> 10, 6, 1); |
415 | bw_p = num2str(bw, 6, 1); | |
416 | ||
417 | fprintf(f_out, " %s: io=%siB, bw=%siB/s, runt=%6lumsec\n", ddir_str[ddir], io_p, bw_p, td->runtime[ddir]); | |
418 | ||
419 | free(io_p); | |
420 | free(bw_p); | |
3c39a379 JA |
421 | |
422 | if (calc_lat(&td->slat_stat[ddir], &min, &max, &mean, &dev)) | |
6104ddb6 | 423 | fprintf(f_out, " slat (msec): min=%5lu, max=%5lu, avg=%5.02f, stdev=%5.02f\n", min, max, mean, dev); |
3c39a379 JA |
424 | |
425 | if (calc_lat(&td->clat_stat[ddir], &min, &max, &mean, &dev)) | |
6104ddb6 | 426 | fprintf(f_out, " clat (msec): min=%5lu, max=%5lu, avg=%5.02f, stdev=%5.02f\n", min, max, mean, dev); |
3c39a379 JA |
427 | |
428 | if (calc_lat(&td->bw_stat[ddir], &min, &max, &mean, &dev)) { | |
429 | double p_of_agg; | |
430 | ||
431 | p_of_agg = mean * 100 / (double) rs->agg[ddir]; | |
6104ddb6 | 432 | fprintf(f_out, " 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 |
433 | } |
434 | } | |
435 | ||
436 | static void show_thread_status(struct thread_data *td, | |
437 | struct group_run_stats *rs) | |
438 | { | |
439 | double usr_cpu, sys_cpu; | |
69008999 | 440 | unsigned long runtime; |
71619dc2 | 441 | double io_u_dist[FIO_IO_U_MAP_NR]; |
ec118304 | 442 | double io_u_lat[FIO_IO_U_LAT_NR]; |
71619dc2 | 443 | int i; |
3c39a379 | 444 | |
6d663077 | 445 | if (!(td->io_bytes[0] + td->io_bytes[1])) |
3c39a379 JA |
446 | return; |
447 | ||
6d663077 JA |
448 | if (!td->error) |
449 | fprintf(f_out, "%s: (groupid=%d): err=%2d: pid=%d\n",td->name, td->groupid, td->error, td->pid); | |
450 | else | |
451 | fprintf(f_out, "%s: (groupid=%d): err=%2d (%s): pid=%d\n",td->name, td->groupid, td->error, td->verror, td->pid); | |
3c39a379 JA |
452 | |
453 | show_ddir_status(td, rs, td->ddir); | |
454 | if (td->io_bytes[td->ddir ^ 1]) | |
455 | show_ddir_status(td, rs, td->ddir ^ 1); | |
456 | ||
69008999 JA |
457 | runtime = mtime_since(&td->epoch, &td->end_time); |
458 | if (runtime) { | |
1e97cce9 | 459 | double runt = (double) runtime; |
3c39a379 JA |
460 | |
461 | usr_cpu = (double) td->usr_time * 100 / runt; | |
462 | sys_cpu = (double) td->sys_time * 100 / runt; | |
463 | } else { | |
464 | usr_cpu = 0; | |
465 | sys_cpu = 0; | |
466 | } | |
467 | ||
eb8bbf48 | 468 | fprintf(f_out, " cpu : usr=%3.2f%%, sys=%3.2f%%, ctx=%lu\n", usr_cpu, sys_cpu, td->ctx); |
71619dc2 JA |
469 | |
470 | /* | |
471 | * Do depth distribution calculations | |
472 | */ | |
473 | for (i = 0; i < FIO_IO_U_MAP_NR; i++) { | |
474 | io_u_dist[i] = (double) td->io_u_map[i] / (double) td->total_io_u; | |
475 | io_u_dist[i] *= 100.0; | |
476 | } | |
477 | ||
5d458077 | 478 | fprintf(f_out, " 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 | 479 | |
ec118304 JA |
480 | /* |
481 | * Do latency distribution calculations | |
482 | */ | |
483 | for (i = 0; i < FIO_IO_U_LAT_NR; i++) { | |
484 | io_u_lat[i] = (double) td->io_u_lat[i] / (double) td->total_io_u; | |
485 | io_u_lat[i] *= 100.0; | |
486 | } | |
487 | ||
488 | fprintf(f_out, " lat (msec): 2=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%, 16=%3.1f%%, 32=%3.1f%%, 64=%3.1f%%, 128=%3.1f%%\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], io_u_lat[6]); | |
489 | fprintf(f_out, " lat (msec): 256=%3.1f%%, 512=%3.1f%%, 1024=%3.1f%%, >=2048=%3.1f%%\n", io_u_lat[7], io_u_lat[8], io_u_lat[9], io_u_lat[10]); | |
490 | ||
61697c37 JA |
491 | if (td->description) |
492 | fprintf(f_out, "%s\n", td->description); | |
3c39a379 JA |
493 | } |
494 | ||
c6ae0a5b JA |
495 | static void show_ddir_status_terse(struct thread_data *td, |
496 | struct group_run_stats *rs, int ddir) | |
497 | { | |
498 | unsigned long min, max; | |
499 | unsigned long long bw; | |
500 | double mean, dev; | |
501 | ||
502 | bw = 0; | |
503 | if (td->runtime[ddir]) | |
504 | bw = td->io_bytes[ddir] / td->runtime[ddir]; | |
505 | ||
506 | fprintf(f_out, ",%llu,%llu,%lu", td->io_bytes[ddir] >> 10, bw, td->runtime[ddir]); | |
507 | ||
508 | if (calc_lat(&td->slat_stat[ddir], &min, &max, &mean, &dev)) | |
509 | fprintf(f_out, ",%lu,%lu,%f,%f", min, max, mean, dev); | |
510 | else | |
511 | fprintf(f_out, ",%lu,%lu,%f,%f", 0UL, 0UL, 0.0, 0.0); | |
512 | ||
513 | if (calc_lat(&td->clat_stat[ddir], &min, &max, &mean, &dev)) | |
514 | fprintf(f_out, ",%lu,%lu,%f,%f", min, max, mean, dev); | |
515 | else | |
516 | fprintf(f_out, ",%lu,%lu,%f,%f", 0UL, 0UL, 0.0, 0.0); | |
517 | ||
518 | if (calc_lat(&td->bw_stat[ddir], &min, &max, &mean, &dev)) { | |
519 | double p_of_agg; | |
520 | ||
521 | p_of_agg = mean * 100 / (double) rs->agg[ddir]; | |
522 | fprintf(f_out, ",%lu,%lu,%f%%,%f,%f", min, max, p_of_agg, mean, dev); | |
523 | } else | |
524 | fprintf(f_out, ",%lu,%lu,%f%%,%f,%f", 0UL, 0UL, 0.0, 0.0, 0.0); | |
525 | ||
526 | } | |
527 | ||
528 | ||
529 | static void show_thread_status_terse(struct thread_data *td, | |
530 | struct group_run_stats *rs) | |
531 | { | |
532 | double usr_cpu, sys_cpu; | |
533 | ||
534 | fprintf(f_out, "%s,%d,%d",td->name, td->groupid, td->error); | |
535 | ||
536 | show_ddir_status_terse(td, rs, 0); | |
537 | show_ddir_status_terse(td, rs, 1); | |
538 | ||
539 | if (td->runtime[0] + td->runtime[1]) { | |
1e97cce9 | 540 | double runt = (double) (td->runtime[0] + td->runtime[1]); |
c6ae0a5b JA |
541 | |
542 | usr_cpu = (double) td->usr_time * 100 / runt; | |
543 | sys_cpu = (double) td->sys_time * 100 / runt; | |
544 | } else { | |
545 | usr_cpu = 0; | |
546 | sys_cpu = 0; | |
547 | } | |
548 | ||
549 | fprintf(f_out, ",%f%%,%f%%,%lu\n", usr_cpu, sys_cpu, td->ctx); | |
550 | } | |
551 | ||
3c39a379 JA |
552 | void show_run_stats(void) |
553 | { | |
554 | struct group_run_stats *runstats, *rs; | |
555 | struct thread_data *td; | |
556 | int i; | |
557 | ||
558 | runstats = malloc(sizeof(struct group_run_stats) * (groupid + 1)); | |
559 | ||
560 | for (i = 0; i < groupid + 1; i++) { | |
561 | rs = &runstats[i]; | |
562 | ||
563 | memset(rs, 0, sizeof(*rs)); | |
564 | rs->min_bw[0] = rs->min_run[0] = ~0UL; | |
565 | rs->min_bw[1] = rs->min_run[1] = ~0UL; | |
566 | } | |
567 | ||
34572e28 | 568 | for_each_td(td, i) { |
3c39a379 JA |
569 | unsigned long long rbw, wbw; |
570 | ||
3c39a379 JA |
571 | rs = &runstats[td->groupid]; |
572 | ||
573 | if (td->runtime[0] < rs->min_run[0] || !rs->min_run[0]) | |
574 | rs->min_run[0] = td->runtime[0]; | |
575 | if (td->runtime[0] > rs->max_run[0]) | |
576 | rs->max_run[0] = td->runtime[0]; | |
577 | if (td->runtime[1] < rs->min_run[1] || !rs->min_run[1]) | |
578 | rs->min_run[1] = td->runtime[1]; | |
579 | if (td->runtime[1] > rs->max_run[1]) | |
580 | rs->max_run[1] = td->runtime[1]; | |
581 | ||
582 | rbw = wbw = 0; | |
583 | if (td->runtime[0]) | |
584 | rbw = td->io_bytes[0] / (unsigned long long) td->runtime[0]; | |
585 | if (td->runtime[1]) | |
586 | wbw = td->io_bytes[1] / (unsigned long long) td->runtime[1]; | |
587 | ||
588 | if (rbw < rs->min_bw[0]) | |
589 | rs->min_bw[0] = rbw; | |
590 | if (wbw < rs->min_bw[1]) | |
591 | rs->min_bw[1] = wbw; | |
592 | if (rbw > rs->max_bw[0]) | |
593 | rs->max_bw[0] = rbw; | |
594 | if (wbw > rs->max_bw[1]) | |
595 | rs->max_bw[1] = wbw; | |
596 | ||
597 | rs->io_kb[0] += td->io_bytes[0] >> 10; | |
598 | rs->io_kb[1] += td->io_bytes[1] >> 10; | |
599 | } | |
600 | ||
601 | for (i = 0; i < groupid + 1; i++) { | |
602 | rs = &runstats[i]; | |
603 | ||
604 | if (rs->max_run[0]) | |
605 | rs->agg[0] = (rs->io_kb[0]*1024) / rs->max_run[0]; | |
606 | if (rs->max_run[1]) | |
607 | rs->agg[1] = (rs->io_kb[1]*1024) / rs->max_run[1]; | |
608 | } | |
609 | ||
610 | /* | |
611 | * don't overwrite last signal output | |
612 | */ | |
c6ae0a5b JA |
613 | if (!terse_output) |
614 | printf("\n"); | |
3c39a379 | 615 | |
34572e28 | 616 | for_each_td(td, i) { |
3c39a379 JA |
617 | rs = &runstats[td->groupid]; |
618 | ||
c6ae0a5b JA |
619 | if (terse_output) |
620 | show_thread_status_terse(td, rs); | |
621 | else | |
622 | show_thread_status(td, rs); | |
3c39a379 JA |
623 | } |
624 | ||
c6ae0a5b JA |
625 | if (!terse_output) { |
626 | for (i = 0; i < groupid + 1; i++) | |
627 | show_group_stats(&runstats[i], i); | |
3c39a379 | 628 | |
c6ae0a5b JA |
629 | show_disk_util(); |
630 | } | |
eecf272f JA |
631 | |
632 | free(runstats); | |
3c39a379 JA |
633 | } |
634 | ||
68704084 | 635 | static inline void add_stat_sample(struct io_stat *is, unsigned long data) |
3c39a379 | 636 | { |
68704084 JA |
637 | double val = data; |
638 | double delta, n; | |
639 | ||
640 | if (data > is->max_val) | |
641 | is->max_val = data; | |
642 | if (data < is->min_val) | |
643 | is->min_val = data; | |
644 | ||
645 | delta = val - is->mean; | |
646 | n = is->samples + 1.0; | |
647 | is->mean += delta / n; | |
648 | is->S += delta * (val - is->mean); | |
3c39a379 | 649 | |
3c39a379 JA |
650 | is->samples++; |
651 | } | |
652 | ||
bb3884d8 JA |
653 | static void __add_log_sample(struct io_log *iolog, unsigned long val, |
654 | enum fio_ddir ddir, unsigned long time) | |
3c39a379 JA |
655 | { |
656 | if (iolog->nr_samples == iolog->max_samples) { | |
657 | int new_size = sizeof(struct io_sample) * iolog->max_samples*2; | |
658 | ||
659 | iolog->log = realloc(iolog->log, new_size); | |
660 | iolog->max_samples <<= 1; | |
661 | } | |
662 | ||
663 | iolog->log[iolog->nr_samples].val = val; | |
bb3884d8 | 664 | iolog->log[iolog->nr_samples].time = time; |
3c39a379 JA |
665 | iolog->log[iolog->nr_samples].ddir = ddir; |
666 | iolog->nr_samples++; | |
667 | } | |
668 | ||
bb3884d8 JA |
669 | static void add_log_sample(struct thread_data *td, struct io_log *iolog, |
670 | unsigned long val, enum fio_ddir ddir) | |
671 | { | |
672 | __add_log_sample(iolog, val, ddir, mtime_since_now(&td->epoch)); | |
673 | } | |
674 | ||
675 | void add_agg_sample(unsigned long val, enum fio_ddir ddir) | |
676 | { | |
677 | struct io_log *iolog = agg_io_log[ddir]; | |
678 | ||
679 | __add_log_sample(iolog, val, ddir, mtime_since_genesis()); | |
680 | } | |
681 | ||
1e97cce9 JA |
682 | void add_clat_sample(struct thread_data *td, enum fio_ddir ddir, |
683 | unsigned long msec) | |
3c39a379 JA |
684 | { |
685 | add_stat_sample(&td->clat_stat[ddir], msec); | |
686 | ||
687 | if (td->clat_log) | |
688 | add_log_sample(td, td->clat_log, msec, ddir); | |
689 | } | |
690 | ||
1e97cce9 JA |
691 | void add_slat_sample(struct thread_data *td, enum fio_ddir ddir, |
692 | unsigned long msec) | |
3c39a379 JA |
693 | { |
694 | add_stat_sample(&td->slat_stat[ddir], msec); | |
695 | ||
696 | if (td->slat_log) | |
697 | add_log_sample(td, td->slat_log, msec, ddir); | |
698 | } | |
699 | ||
1e97cce9 JA |
700 | void add_bw_sample(struct thread_data *td, enum fio_ddir ddir, |
701 | struct timeval *t) | |
3c39a379 | 702 | { |
02bcaa8c | 703 | unsigned long spent = mtime_since(&td->stat_sample_time[ddir], t); |
3c39a379 JA |
704 | unsigned long rate; |
705 | ||
706 | if (spent < td->bw_avg_time) | |
707 | return; | |
708 | ||
709 | rate = (td->this_io_bytes[ddir] - td->stat_io_bytes[ddir]) / spent; | |
710 | add_stat_sample(&td->bw_stat[ddir], rate); | |
711 | ||
712 | if (td->bw_log) | |
713 | add_log_sample(td, td->bw_log, rate, ddir); | |
714 | ||
02bcaa8c | 715 | fio_gettime(&td->stat_sample_time[ddir], NULL); |
3c39a379 JA |
716 | td->stat_io_bytes[ddir] = td->this_io_bytes[ddir]; |
717 | } | |
718 | ||
719 |