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 | 11 | |
dbe1125e | 12 | /* |
34403fb1 | 13 | * Cheesy number->string conversion, complete with carry rounding error. |
dbe1125e | 14 | */ |
b3605062 | 15 | static char *num2str(unsigned long num, int maxlen, int base, int pow2) |
dbe1125e | 16 | { |
b3605062 JA |
17 | char postfix[] = { ' ', 'K', 'M', 'G', 'P', 'E' }; |
18 | unsigned int thousand; | |
dbe1125e JA |
19 | char *buf; |
20 | int i; | |
21 | ||
b3605062 JA |
22 | if (pow2) |
23 | thousand = 1024; | |
24 | else | |
25 | thousand = 1000; | |
26 | ||
dbe1125e JA |
27 | buf = malloc(128); |
28 | ||
29 | for (i = 0; base > 1; i++) | |
30 | base /= thousand; | |
31 | ||
32 | do { | |
33 | int len, carry = 0; | |
34 | ||
35 | len = sprintf(buf, "%'lu", num); | |
36 | if (len <= maxlen) { | |
b3605062 JA |
37 | if (i >= 1) { |
38 | buf[len] = postfix[i]; | |
39 | buf[len + 1] = '\0'; | |
40 | } | |
dbe1125e JA |
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 | void update_rusage_stat(struct thread_data *td) |
56 | { | |
756867bd | 57 | struct thread_stat *ts = &td->ts; |
3c39a379 | 58 | |
079ad09b JA |
59 | getrusage(RUSAGE_SELF, &ts->ru_end); |
60 | ||
5ec10eaa JA |
61 | ts->usr_time += mtime_since(&ts->ru_start.ru_utime, |
62 | &ts->ru_end.ru_utime); | |
63 | ts->sys_time += mtime_since(&ts->ru_start.ru_stime, | |
64 | &ts->ru_end.ru_stime); | |
65 | ts->ctx += ts->ru_end.ru_nvcsw + ts->ru_end.ru_nivcsw | |
66 | - (ts->ru_start.ru_nvcsw + ts->ru_start.ru_nivcsw); | |
e7823a94 JA |
67 | ts->minf += ts->ru_end.ru_minflt - ts->ru_start.ru_minflt; |
68 | ts->majf += ts->ru_end.ru_majflt - ts->ru_start.ru_majflt; | |
5ec10eaa | 69 | |
079ad09b | 70 | memcpy(&ts->ru_start, &ts->ru_end, sizeof(ts->ru_end)); |
3c39a379 JA |
71 | } |
72 | ||
73 | static int calc_lat(struct io_stat *is, unsigned long *min, unsigned long *max, | |
74 | double *mean, double *dev) | |
75 | { | |
68704084 | 76 | double n = is->samples; |
3c39a379 JA |
77 | |
78 | if (is->samples == 0) | |
79 | return 0; | |
80 | ||
81 | *min = is->min_val; | |
82 | *max = is->max_val; | |
83 | ||
84 | n = (double) is->samples; | |
68704084 | 85 | *mean = is->mean; |
e6d276f2 | 86 | |
68704084 JA |
87 | if (n > 1.0) |
88 | *dev = sqrt(is->S / (n - 1.0)); | |
ef9c5c40 | 89 | else |
4b43f54e | 90 | *dev = 0; |
ef9c5c40 | 91 | |
3c39a379 JA |
92 | return 1; |
93 | } | |
94 | ||
95 | static void show_group_stats(struct group_run_stats *rs, int id) | |
96 | { | |
dbe1125e JA |
97 | char *p1, *p2, *p3, *p4; |
98 | const char *ddir_str[] = { " READ", " WRITE" }; | |
99 | int i; | |
100 | ||
6d86144d | 101 | log_info("\nRun status group %d (all jobs):\n", id); |
3c39a379 | 102 | |
dbe1125e JA |
103 | for (i = 0; i <= DDIR_WRITE; i++) { |
104 | if (!rs->max_run[i]) | |
105 | continue; | |
106 | ||
8879fd15 JA |
107 | p1 = num2str(rs->io_kb[i], 6, 1024, 1); |
108 | p2 = num2str(rs->agg[i], 6, 1024, 1); | |
109 | p3 = num2str(rs->min_bw[i], 6, 1024, 1); | |
110 | p4 = num2str(rs->max_bw[i], 6, 1024, 1); | |
dbe1125e | 111 | |
5ec10eaa JA |
112 | log_info("%s: io=%siB, aggrb=%siB/s, minb=%siB/s, maxb=%siB/s," |
113 | " mint=%llumsec, maxt=%llumsec\n", ddir_str[i], p1, p2, | |
114 | p3, p4, rs->min_run[i], | |
115 | rs->max_run[i]); | |
dbe1125e JA |
116 | |
117 | free(p1); | |
118 | free(p2); | |
119 | free(p3); | |
120 | free(p4); | |
121 | } | |
3c39a379 JA |
122 | } |
123 | ||
b3605062 JA |
124 | #define ts_total_io_u(ts) \ |
125 | ((ts)->total_io_u[0] + (ts)->total_io_u[1]) | |
126 | ||
838bc709 JA |
127 | static void stat_calc_dist(unsigned int *map, unsigned long total, |
128 | double *io_u_dist) | |
2270890c JA |
129 | { |
130 | int i; | |
131 | ||
132 | /* | |
133 | * Do depth distribution calculations | |
134 | */ | |
135 | for (i = 0; i < FIO_IO_U_MAP_NR; i++) { | |
838bc709 JA |
136 | if (total) { |
137 | io_u_dist[i] = (double) map[i] / (double) total; | |
138 | io_u_dist[i] *= 100.0; | |
139 | if (io_u_dist[i] < 0.1 && map[i]) | |
140 | io_u_dist[i] = 0.1; | |
141 | } else | |
142 | io_u_dist[i] = 0.0; | |
2270890c JA |
143 | } |
144 | } | |
145 | ||
04a0feae JA |
146 | static void stat_calc_lat(struct thread_stat *ts, double *dst, |
147 | unsigned int *src, int nr) | |
2270890c | 148 | { |
838bc709 | 149 | unsigned long total = ts_total_io_u(ts); |
2270890c JA |
150 | int i; |
151 | ||
152 | /* | |
153 | * Do latency distribution calculations | |
154 | */ | |
04a0feae | 155 | for (i = 0; i < nr; i++) { |
838bc709 JA |
156 | if (total) { |
157 | dst[i] = (double) src[i] / (double) total; | |
158 | dst[i] *= 100.0; | |
159 | if (dst[i] < 0.01 && src[i]) | |
160 | dst[i] = 0.01; | |
161 | } else | |
162 | dst[i] = 0.0; | |
2270890c JA |
163 | } |
164 | } | |
165 | ||
04a0feae JA |
166 | static void stat_calc_lat_u(struct thread_stat *ts, double *io_u_lat) |
167 | { | |
168 | stat_calc_lat(ts, io_u_lat, ts->io_u_lat_u, FIO_IO_U_LAT_U_NR); | |
169 | } | |
170 | ||
171 | static void stat_calc_lat_m(struct thread_stat *ts, double *io_u_lat) | |
172 | { | |
173 | stat_calc_lat(ts, io_u_lat, ts->io_u_lat_m, FIO_IO_U_LAT_M_NR); | |
174 | } | |
175 | ||
ea2accc5 JA |
176 | static int usec_to_msec(unsigned long *min, unsigned long *max, double *mean, |
177 | double *dev) | |
178 | { | |
179 | if (*min > 1000 && *max > 1000 && *mean > 1000.0 && *dev > 1000.0) { | |
180 | *min /= 1000; | |
181 | *max /= 1000; | |
182 | *mean /= 1000.0; | |
183 | *dev /= 1000.0; | |
184 | return 0; | |
185 | } | |
186 | ||
187 | return 1; | |
188 | } | |
189 | ||
756867bd | 190 | static void show_ddir_status(struct group_run_stats *rs, struct thread_stat *ts, |
3c39a379 JA |
191 | int ddir) |
192 | { | |
3c9b60c1 | 193 | const char *ddir_str[] = { "read ", "write" }; |
8879fd15 | 194 | unsigned long min, max, runt; |
b3605062 | 195 | unsigned long long bw, iops; |
3c39a379 | 196 | double mean, dev; |
b3605062 | 197 | char *io_p, *bw_p, *iops_p; |
3c39a379 | 198 | |
756867bd | 199 | if (!ts->runtime[ddir]) |
3c39a379 JA |
200 | return; |
201 | ||
8879fd15 JA |
202 | runt = ts->runtime[ddir]; |
203 | ||
204 | bw = (1000 * ts->io_bytes[ddir]) / runt; | |
205 | io_p = num2str(ts->io_bytes[ddir] >> 10, 6, 1024, 1); | |
206 | bw_p = num2str(bw >> 10, 6, 1024, 1); | |
207 | ||
208 | iops = (1000 * ts->total_io_u[ddir]) / runt; | |
b3605062 | 209 | iops_p = num2str(iops, 6, 1, 0); |
dbe1125e | 210 | |
5ec10eaa JA |
211 | log_info(" %s: io=%siB, bw=%siB/s, iops=%s, runt=%6lumsec\n", |
212 | ddir_str[ddir], io_p, bw_p, iops_p, | |
213 | ts->runtime[ddir]); | |
dbe1125e JA |
214 | |
215 | free(io_p); | |
216 | free(bw_p); | |
b3605062 | 217 | free(iops_p); |
3c39a379 | 218 | |
d85f5118 JA |
219 | if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev)) { |
220 | const char *base = "(usec)"; | |
d9309cb1 | 221 | char *minp, *maxp; |
d85f5118 | 222 | |
ea2accc5 | 223 | if (!usec_to_msec(&min, &max, &mean, &dev)) |
d85f5118 | 224 | base = "(msec)"; |
ea2accc5 | 225 | |
d9309cb1 JA |
226 | minp = num2str(min, 6, 1, 0); |
227 | maxp = num2str(max, 6, 1, 0); | |
228 | ||
5ec10eaa JA |
229 | log_info(" slat %s: min=%s, max=%s, avg=%5.02f," |
230 | " stdev=%5.02f\n", base, minp, maxp, mean, dev); | |
d9309cb1 JA |
231 | |
232 | free(minp); | |
233 | free(maxp); | |
d85f5118 JA |
234 | } |
235 | if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev)) { | |
236 | const char *base = "(usec)"; | |
d9309cb1 | 237 | char *minp, *maxp; |
d85f5118 | 238 | |
ea2accc5 JA |
239 | if (!usec_to_msec(&min, &max, &mean, &dev)) |
240 | base = "(msec)"; | |
241 | ||
d9309cb1 JA |
242 | minp = num2str(min, 6, 1, 0); |
243 | maxp = num2str(max, 6, 1, 0); | |
5ec10eaa JA |
244 | |
245 | log_info(" clat %s: min=%s, max=%s, avg=%5.02f," | |
246 | " stdev=%5.02f\n", base, minp, maxp, mean, dev); | |
d9309cb1 JA |
247 | |
248 | free(minp); | |
249 | free(maxp); | |
d85f5118 | 250 | } |
079ad09b | 251 | if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) { |
3c39a379 JA |
252 | double p_of_agg; |
253 | ||
254 | p_of_agg = mean * 100 / (double) rs->agg[ddir]; | |
5ec10eaa JA |
255 | log_info(" bw (KiB/s) : min=%5lu, max=%5lu, per=%3.2f%%," |
256 | " avg=%5.02f, stdev=%5.02f\n", min, max, p_of_agg, | |
257 | mean, dev); | |
3c39a379 JA |
258 | } |
259 | } | |
260 | ||
04a0feae JA |
261 | static void show_lat(double *io_u_lat, int nr, const char **ranges, |
262 | const char *msg) | |
263 | { | |
264 | int new_line = 1, i, line = 0; | |
265 | ||
266 | for (i = 0; i < nr; i++) { | |
267 | if (io_u_lat[i] <= 0.0) | |
268 | continue; | |
269 | if (new_line) { | |
4539ed73 JA |
270 | if (line) |
271 | log_info("\n"); | |
04a0feae JA |
272 | log_info(" lat (%s): ", msg); |
273 | new_line = 0; | |
274 | line = 0; | |
275 | } | |
276 | if (line) | |
277 | log_info(", "); | |
278 | log_info("%s%3.2f%%", ranges[i], io_u_lat[i]); | |
279 | line++; | |
280 | if (line == 5) | |
281 | new_line = 1; | |
282 | } | |
04a0feae JA |
283 | } |
284 | ||
285 | static void show_lat_u(double *io_u_lat_u) | |
286 | { | |
287 | const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=", | |
288 | "250=", "500=", "750=", "1000=", }; | |
289 | ||
290 | show_lat(io_u_lat_u, FIO_IO_U_LAT_U_NR, ranges, "usec"); | |
291 | } | |
292 | ||
293 | static void show_lat_m(double *io_u_lat_m) | |
294 | { | |
295 | const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=", | |
296 | "250=", "500=", "750=", "1000=", "2000=", | |
297 | ">=2000=", }; | |
298 | ||
299 | show_lat(io_u_lat_m, FIO_IO_U_LAT_M_NR, ranges, "msec"); | |
300 | } | |
301 | ||
302 | static void show_latencies(double *io_u_lat_u, double *io_u_lat_m) | |
303 | { | |
304 | show_lat_u(io_u_lat_u); | |
4539ed73 | 305 | log_info("\n"); |
04a0feae JA |
306 | show_lat_m(io_u_lat_m); |
307 | log_info("\n"); | |
308 | } | |
309 | ||
756867bd | 310 | static void show_thread_status(struct thread_stat *ts, |
3c39a379 JA |
311 | struct group_run_stats *rs) |
312 | { | |
313 | double usr_cpu, sys_cpu; | |
69008999 | 314 | unsigned long runtime; |
71619dc2 | 315 | double io_u_dist[FIO_IO_U_MAP_NR]; |
04a0feae JA |
316 | double io_u_lat_u[FIO_IO_U_LAT_U_NR]; |
317 | double io_u_lat_m[FIO_IO_U_LAT_M_NR]; | |
3c39a379 | 318 | |
b4c5e1ac JA |
319 | if (!(ts->io_bytes[0] + ts->io_bytes[1]) && |
320 | !(ts->total_io_u[0] + ts->total_io_u[1])) | |
3c39a379 JA |
321 | return; |
322 | ||
5ec10eaa JA |
323 | if (!ts->error) { |
324 | log_info("%s: (groupid=%d, jobs=%d): err=%2d: pid=%d\n", | |
325 | ts->name, ts->groupid, ts->members, | |
5921e80c | 326 | ts->error, (int) ts->pid); |
5ec10eaa JA |
327 | } else { |
328 | log_info("%s: (groupid=%d, jobs=%d): err=%2d (%s): pid=%d\n", | |
329 | ts->name, ts->groupid, ts->members, | |
5921e80c | 330 | ts->error, ts->verror, (int) ts->pid); |
5ec10eaa | 331 | } |
3c39a379 | 332 | |
7bdce1bd | 333 | if (ts->description) |
6d86144d | 334 | log_info(" Description : [%s]\n", ts->description); |
7bdce1bd | 335 | |
756867bd JA |
336 | if (ts->io_bytes[DDIR_READ]) |
337 | show_ddir_status(rs, ts, DDIR_READ); | |
338 | if (ts->io_bytes[DDIR_WRITE]) | |
339 | show_ddir_status(rs, ts, DDIR_WRITE); | |
3c39a379 | 340 | |
756867bd | 341 | runtime = ts->total_run_time; |
69008999 | 342 | if (runtime) { |
1e97cce9 | 343 | double runt = (double) runtime; |
3c39a379 | 344 | |
756867bd JA |
345 | usr_cpu = (double) ts->usr_time * 100 / runt; |
346 | sys_cpu = (double) ts->sys_time * 100 / runt; | |
3c39a379 JA |
347 | } else { |
348 | usr_cpu = 0; | |
349 | sys_cpu = 0; | |
350 | } | |
351 | ||
5ec10eaa JA |
352 | log_info(" cpu : usr=%3.2f%%, sys=%3.2f%%, ctx=%lu, majf=%lu," |
353 | " minf=%lu\n", usr_cpu, sys_cpu, ts->ctx, ts->majf, ts->minf); | |
71619dc2 | 354 | |
838bc709 | 355 | stat_calc_dist(ts->io_u_map, ts_total_io_u(ts), io_u_dist); |
5ec10eaa JA |
356 | log_info(" IO depths : 1=%3.1f%%, 2=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%," |
357 | " 16=%3.1f%%, 32=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0], | |
358 | io_u_dist[1], io_u_dist[2], | |
359 | io_u_dist[3], io_u_dist[4], | |
360 | io_u_dist[5], io_u_dist[6]); | |
838bc709 JA |
361 | |
362 | stat_calc_dist(ts->io_u_submit, ts->total_submit, io_u_dist); | |
363 | log_info(" submit : 0=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%, 16=%3.1f%%," | |
364 | " 32=%3.1f%%, 64=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0], | |
365 | io_u_dist[1], io_u_dist[2], | |
366 | io_u_dist[3], io_u_dist[4], | |
367 | io_u_dist[5], io_u_dist[6]); | |
368 | stat_calc_dist(ts->io_u_complete, ts->total_complete, io_u_dist); | |
369 | log_info(" complete : 0=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%, 16=%3.1f%%," | |
370 | " 32=%3.1f%%, 64=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0], | |
371 | io_u_dist[1], io_u_dist[2], | |
372 | io_u_dist[3], io_u_dist[4], | |
373 | io_u_dist[5], io_u_dist[6]); | |
5ec10eaa JA |
374 | log_info(" issued r/w: total=%lu/%lu, short=%lu/%lu\n", |
375 | ts->total_io_u[0], ts->total_io_u[1], | |
376 | ts->short_io_u[0], ts->short_io_u[1]); | |
838bc709 JA |
377 | stat_calc_lat_u(ts, io_u_lat_u); |
378 | stat_calc_lat_m(ts, io_u_lat_m); | |
04a0feae | 379 | show_latencies(io_u_lat_u, io_u_lat_m); |
3c39a379 JA |
380 | } |
381 | ||
756867bd | 382 | static void show_ddir_status_terse(struct thread_stat *ts, |
c6ae0a5b JA |
383 | struct group_run_stats *rs, int ddir) |
384 | { | |
385 | unsigned long min, max; | |
386 | unsigned long long bw; | |
387 | double mean, dev; | |
388 | ||
389 | bw = 0; | |
756867bd JA |
390 | if (ts->runtime[ddir]) |
391 | bw = ts->io_bytes[ddir] / ts->runtime[ddir]; | |
c6ae0a5b | 392 | |
5ec10eaa JA |
393 | log_info(";%llu;%llu;%lu", ts->io_bytes[ddir] >> 10, bw, |
394 | ts->runtime[ddir]); | |
c6ae0a5b | 395 | |
079ad09b | 396 | if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev)) |
6d86144d | 397 | log_info(";%lu;%lu;%f;%f", min, max, mean, dev); |
c6ae0a5b | 398 | else |
6d86144d | 399 | log_info(";%lu;%lu;%f;%f", 0UL, 0UL, 0.0, 0.0); |
c6ae0a5b | 400 | |
079ad09b | 401 | if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev)) |
6d86144d | 402 | log_info(";%lu;%lu;%f;%f", min, max, mean, dev); |
c6ae0a5b | 403 | else |
6d86144d | 404 | log_info(";%lu;%lu;%f;%f", 0UL, 0UL, 0.0, 0.0); |
c6ae0a5b | 405 | |
079ad09b | 406 | if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) { |
c6ae0a5b JA |
407 | double p_of_agg; |
408 | ||
409 | p_of_agg = mean * 100 / (double) rs->agg[ddir]; | |
6d86144d | 410 | log_info(";%lu;%lu;%f%%;%f;%f", min, max, p_of_agg, mean, dev); |
c6ae0a5b | 411 | } else |
6d86144d | 412 | log_info(";%lu;%lu;%f%%;%f;%f", 0UL, 0UL, 0.0, 0.0, 0.0); |
c6ae0a5b JA |
413 | } |
414 | ||
415 | ||
756867bd | 416 | static void show_thread_status_terse(struct thread_stat *ts, |
c6ae0a5b JA |
417 | struct group_run_stats *rs) |
418 | { | |
2270890c | 419 | double io_u_dist[FIO_IO_U_MAP_NR]; |
04a0feae JA |
420 | double io_u_lat_u[FIO_IO_U_LAT_U_NR]; |
421 | double io_u_lat_m[FIO_IO_U_LAT_M_NR]; | |
c6ae0a5b | 422 | double usr_cpu, sys_cpu; |
04a0feae | 423 | int i; |
c6ae0a5b | 424 | |
6d86144d | 425 | log_info("%s;%d;%d", ts->name, ts->groupid, ts->error); |
c6ae0a5b | 426 | |
756867bd JA |
427 | show_ddir_status_terse(ts, rs, 0); |
428 | show_ddir_status_terse(ts, rs, 1); | |
c6ae0a5b | 429 | |
756867bd JA |
430 | if (ts->total_run_time) { |
431 | double runt = (double) ts->total_run_time; | |
c6ae0a5b | 432 | |
756867bd JA |
433 | usr_cpu = (double) ts->usr_time * 100 / runt; |
434 | sys_cpu = (double) ts->sys_time * 100 / runt; | |
c6ae0a5b JA |
435 | } else { |
436 | usr_cpu = 0; | |
437 | sys_cpu = 0; | |
438 | } | |
439 | ||
5ec10eaa JA |
440 | log_info(";%f%%;%f%%;%lu;%lu;%lu", usr_cpu, sys_cpu, ts->ctx, ts->majf, |
441 | ts->minf); | |
2270890c | 442 | |
838bc709 | 443 | stat_calc_dist(ts->io_u_map, ts_total_io_u(ts), io_u_dist); |
04a0feae JA |
444 | stat_calc_lat_u(ts, io_u_lat_u); |
445 | stat_calc_lat_m(ts, io_u_lat_m); | |
2270890c | 446 | |
5ec10eaa JA |
447 | log_info(";%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%", |
448 | io_u_dist[0], io_u_dist[1], io_u_dist[2], io_u_dist[3], | |
449 | io_u_dist[4], io_u_dist[5], io_u_dist[6]); | |
2270890c | 450 | |
04a0feae JA |
451 | for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) |
452 | log_info(";%3.2f%%", io_u_lat_u[i]); | |
453 | for (i = 0; i < FIO_IO_U_LAT_M_NR; i++) | |
454 | log_info(";%3.2f%%", io_u_lat_m[i]); | |
455 | log_info("\n"); | |
2270890c JA |
456 | |
457 | if (ts->description) | |
6d86144d | 458 | log_info(";%s", ts->description); |
2270890c | 459 | |
6d86144d | 460 | log_info("\n"); |
756867bd JA |
461 | } |
462 | ||
197574e4 | 463 | static void sum_stat(struct io_stat *dst, struct io_stat *src, int nr) |
756867bd JA |
464 | { |
465 | double mean, S; | |
466 | ||
467 | dst->min_val = min(dst->min_val, src->min_val); | |
468 | dst->max_val = max(dst->max_val, src->max_val); | |
469 | dst->samples += src->samples; | |
470 | ||
471 | /* | |
472 | * Needs a new method for calculating stddev, we cannot just | |
473 | * average them we do below for nr > 1 | |
474 | */ | |
475 | if (nr == 1) { | |
476 | mean = src->mean; | |
477 | S = src->S; | |
478 | } else { | |
5ec10eaa JA |
479 | mean = ((src->mean * (double) (nr - 1)) |
480 | + dst->mean) / ((double) nr); | |
c39cced6 | 481 | S = ((src->S * (double) (nr - 1)) + dst->S) / ((double) nr); |
756867bd JA |
482 | } |
483 | ||
484 | dst->mean = mean; | |
485 | dst->S = S; | |
486 | } | |
487 | ||
3c39a379 JA |
488 | void show_run_stats(void) |
489 | { | |
490 | struct group_run_stats *runstats, *rs; | |
491 | struct thread_data *td; | |
756867bd | 492 | struct thread_stat *threadstats, *ts; |
197574e4 | 493 | int i, j, k, l, nr_ts, last_ts, idx; |
3c39a379 JA |
494 | |
495 | runstats = malloc(sizeof(struct group_run_stats) * (groupid + 1)); | |
496 | ||
497 | for (i = 0; i < groupid + 1; i++) { | |
498 | rs = &runstats[i]; | |
499 | ||
500 | memset(rs, 0, sizeof(*rs)); | |
501 | rs->min_bw[0] = rs->min_run[0] = ~0UL; | |
502 | rs->min_bw[1] = rs->min_run[1] = ~0UL; | |
503 | } | |
504 | ||
756867bd JA |
505 | /* |
506 | * find out how many threads stats we need. if group reporting isn't | |
507 | * enabled, it's one-per-td. | |
508 | */ | |
509 | nr_ts = 0; | |
510 | last_ts = -1; | |
511 | for_each_td(td, i) { | |
2dc1bbeb | 512 | if (!td->o.group_reporting) { |
756867bd JA |
513 | nr_ts++; |
514 | continue; | |
515 | } | |
516 | if (last_ts == td->groupid) | |
517 | continue; | |
518 | ||
519 | last_ts = td->groupid; | |
520 | nr_ts++; | |
521 | } | |
522 | ||
523 | threadstats = malloc(nr_ts * sizeof(struct thread_stat)); | |
524 | ||
525 | for (i = 0; i < nr_ts; i++) { | |
526 | ts = &threadstats[i]; | |
527 | ||
528 | memset(ts, 0, sizeof(*ts)); | |
de64df05 | 529 | for (j = 0; j <= DDIR_WRITE; j++) { |
197574e4 JA |
530 | ts->clat_stat[j].min_val = -1UL; |
531 | ts->slat_stat[j].min_val = -1UL; | |
532 | ts->bw_stat[j].min_val = -1UL; | |
533 | } | |
7abd0e3a | 534 | ts->groupid = -1; |
756867bd JA |
535 | } |
536 | ||
537 | j = 0; | |
538 | last_ts = -1; | |
197574e4 | 539 | idx = 0; |
34572e28 | 540 | for_each_td(td, i) { |
2dc1bbeb JA |
541 | if (idx && (!td->o.group_reporting || |
542 | (td->o.group_reporting && last_ts != td->groupid))) { | |
7abd0e3a JA |
543 | idx = 0; |
544 | j++; | |
545 | } | |
546 | ||
547 | last_ts = td->groupid; | |
548 | ||
756867bd JA |
549 | ts = &threadstats[j]; |
550 | ||
197574e4 | 551 | idx++; |
6586ee89 | 552 | ts->members++; |
756867bd | 553 | |
7abd0e3a | 554 | if (ts->groupid == -1) { |
2dc84ba7 JA |
555 | /* |
556 | * These are per-group shared already | |
557 | */ | |
2dc1bbeb JA |
558 | ts->name = td->o.name; |
559 | ts->description = td->o.description; | |
756867bd | 560 | ts->groupid = td->groupid; |
2dc84ba7 JA |
561 | |
562 | /* | |
563 | * first pid in group, not very useful... | |
564 | */ | |
756867bd | 565 | ts->pid = td->pid; |
2dc84ba7 JA |
566 | } |
567 | ||
568 | if (td->error && !ts->error) { | |
569 | ts->error = td->error; | |
756867bd JA |
570 | ts->verror = td->verror; |
571 | } | |
572 | ||
de64df05 | 573 | for (l = 0; l <= DDIR_WRITE; l++) { |
197574e4 JA |
574 | sum_stat(&ts->clat_stat[l], &td->ts.clat_stat[l], idx); |
575 | sum_stat(&ts->slat_stat[l], &td->ts.slat_stat[l], idx); | |
576 | sum_stat(&ts->bw_stat[l], &td->ts.bw_stat[l], idx); | |
756867bd | 577 | |
197574e4 JA |
578 | ts->stat_io_bytes[l] += td->ts.stat_io_bytes[l]; |
579 | ts->io_bytes[l] += td->ts.io_bytes[l]; | |
580 | ||
581 | if (ts->runtime[l] < td->ts.runtime[l]) | |
582 | ts->runtime[l] = td->ts.runtime[l]; | |
583 | } | |
756867bd JA |
584 | |
585 | ts->usr_time += td->ts.usr_time; | |
586 | ts->sys_time += td->ts.sys_time; | |
587 | ts->ctx += td->ts.ctx; | |
e7823a94 JA |
588 | ts->majf += td->ts.majf; |
589 | ts->minf += td->ts.minf; | |
756867bd JA |
590 | |
591 | for (k = 0; k < FIO_IO_U_MAP_NR; k++) | |
592 | ts->io_u_map[k] += td->ts.io_u_map[k]; | |
838bc709 JA |
593 | for (k = 0; k < FIO_IO_U_MAP_NR; k++) |
594 | ts->io_u_submit[k] += td->ts.io_u_submit[k]; | |
595 | for (k = 0; k < FIO_IO_U_MAP_NR; k++) | |
596 | ts->io_u_complete[k] += td->ts.io_u_complete[k]; | |
04a0feae JA |
597 | for (k = 0; k < FIO_IO_U_LAT_U_NR; k++) |
598 | ts->io_u_lat_u[k] += td->ts.io_u_lat_u[k]; | |
599 | for (k = 0; k < FIO_IO_U_LAT_M_NR; k++) | |
600 | ts->io_u_lat_m[k] += td->ts.io_u_lat_m[k]; | |
601 | ||
756867bd | 602 | |
30061b97 | 603 | for (k = 0; k <= DDIR_WRITE; k++) { |
b3605062 | 604 | ts->total_io_u[k] += td->ts.total_io_u[k]; |
30061b97 JA |
605 | ts->short_io_u[k] += td->ts.short_io_u[k]; |
606 | } | |
756867bd JA |
607 | |
608 | ts->total_run_time += td->ts.total_run_time; | |
838bc709 JA |
609 | ts->total_submit += td->ts.total_submit; |
610 | ts->total_complete += td->ts.total_complete; | |
756867bd JA |
611 | } |
612 | ||
613 | for (i = 0; i < nr_ts; i++) { | |
94370ac4 | 614 | unsigned long long bw; |
3c39a379 | 615 | |
756867bd JA |
616 | ts = &threadstats[i]; |
617 | rs = &runstats[ts->groupid]; | |
3c39a379 | 618 | |
de64df05 | 619 | for (j = 0; j <= DDIR_WRITE; j++) { |
94370ac4 JA |
620 | if (!ts->runtime[j]) |
621 | continue; | |
622 | if (ts->runtime[j] < rs->min_run[j] || !rs->min_run[j]) | |
623 | rs->min_run[j] = ts->runtime[j]; | |
624 | if (ts->runtime[j] > rs->max_run[j]) | |
625 | rs->max_run[j] = ts->runtime[j]; | |
626 | ||
627 | bw = 0; | |
8879fd15 JA |
628 | if (ts->runtime[j]) { |
629 | unsigned long runt; | |
630 | ||
631 | runt = ts->runtime[j] * 1024 / 1000; | |
632 | bw = ts->io_bytes[j] / runt; | |
633 | } | |
94370ac4 JA |
634 | if (bw < rs->min_bw[j]) |
635 | rs->min_bw[j] = bw; | |
636 | if (bw > rs->max_bw[j]) | |
637 | rs->max_bw[j] = bw; | |
638 | ||
639 | rs->io_kb[j] += ts->io_bytes[j] >> 10; | |
640 | } | |
3c39a379 JA |
641 | } |
642 | ||
643 | for (i = 0; i < groupid + 1; i++) { | |
8879fd15 JA |
644 | unsigned long max_run[2]; |
645 | ||
3c39a379 | 646 | rs = &runstats[i]; |
8879fd15 JA |
647 | max_run[0] = rs->max_run[0] * 1024 / 1000; |
648 | max_run[1] = rs->max_run[1] * 1024 / 1000; | |
3c39a379 JA |
649 | |
650 | if (rs->max_run[0]) | |
8879fd15 | 651 | rs->agg[0] = (rs->io_kb[0]*1024) / max_run[0]; |
3c39a379 | 652 | if (rs->max_run[1]) |
8879fd15 | 653 | rs->agg[1] = (rs->io_kb[1]*1024) / max_run[1]; |
3c39a379 JA |
654 | } |
655 | ||
656 | /* | |
657 | * don't overwrite last signal output | |
658 | */ | |
c6ae0a5b JA |
659 | if (!terse_output) |
660 | printf("\n"); | |
3c39a379 | 661 | |
756867bd JA |
662 | for (i = 0; i < nr_ts; i++) { |
663 | ts = &threadstats[i]; | |
664 | rs = &runstats[ts->groupid]; | |
3c39a379 | 665 | |
c6ae0a5b | 666 | if (terse_output) |
756867bd | 667 | show_thread_status_terse(ts, rs); |
c6ae0a5b | 668 | else |
756867bd | 669 | show_thread_status(ts, rs); |
3c39a379 JA |
670 | } |
671 | ||
c6ae0a5b JA |
672 | if (!terse_output) { |
673 | for (i = 0; i < groupid + 1; i++) | |
674 | show_group_stats(&runstats[i], i); | |
3c39a379 | 675 | |
c6ae0a5b JA |
676 | show_disk_util(); |
677 | } | |
eecf272f JA |
678 | |
679 | free(runstats); | |
756867bd | 680 | free(threadstats); |
3c39a379 JA |
681 | } |
682 | ||
68704084 | 683 | static inline void add_stat_sample(struct io_stat *is, unsigned long data) |
3c39a379 | 684 | { |
68704084 | 685 | double val = data; |
6660cc67 | 686 | double delta; |
68704084 JA |
687 | |
688 | if (data > is->max_val) | |
689 | is->max_val = data; | |
690 | if (data < is->min_val) | |
691 | is->min_val = data; | |
692 | ||
693 | delta = val - is->mean; | |
ef11d737 JA |
694 | if (delta) { |
695 | is->mean += delta / (is->samples + 1.0); | |
696 | is->S += delta * (val - is->mean); | |
697 | } | |
3c39a379 | 698 | |
3c39a379 JA |
699 | is->samples++; |
700 | } | |
701 | ||
bb3884d8 JA |
702 | static void __add_log_sample(struct io_log *iolog, unsigned long val, |
703 | enum fio_ddir ddir, unsigned long time) | |
3c39a379 JA |
704 | { |
705 | if (iolog->nr_samples == iolog->max_samples) { | |
706 | int new_size = sizeof(struct io_sample) * iolog->max_samples*2; | |
707 | ||
708 | iolog->log = realloc(iolog->log, new_size); | |
709 | iolog->max_samples <<= 1; | |
710 | } | |
711 | ||
712 | iolog->log[iolog->nr_samples].val = val; | |
bb3884d8 | 713 | iolog->log[iolog->nr_samples].time = time; |
3c39a379 JA |
714 | iolog->log[iolog->nr_samples].ddir = ddir; |
715 | iolog->nr_samples++; | |
716 | } | |
717 | ||
bb3884d8 JA |
718 | static void add_log_sample(struct thread_data *td, struct io_log *iolog, |
719 | unsigned long val, enum fio_ddir ddir) | |
720 | { | |
721 | __add_log_sample(iolog, val, ddir, mtime_since_now(&td->epoch)); | |
722 | } | |
723 | ||
724 | void add_agg_sample(unsigned long val, enum fio_ddir ddir) | |
725 | { | |
726 | struct io_log *iolog = agg_io_log[ddir]; | |
727 | ||
728 | __add_log_sample(iolog, val, ddir, mtime_since_genesis()); | |
729 | } | |
730 | ||
1e97cce9 | 731 | void add_clat_sample(struct thread_data *td, enum fio_ddir ddir, |
d85f5118 | 732 | unsigned long usec) |
3c39a379 | 733 | { |
756867bd | 734 | struct thread_stat *ts = &td->ts; |
079ad09b | 735 | |
d85f5118 | 736 | add_stat_sample(&ts->clat_stat[ddir], usec); |
3c39a379 | 737 | |
079ad09b | 738 | if (ts->clat_log) |
d85f5118 | 739 | add_log_sample(td, ts->clat_log, usec, ddir); |
3c39a379 JA |
740 | } |
741 | ||
1e97cce9 | 742 | void add_slat_sample(struct thread_data *td, enum fio_ddir ddir, |
d85f5118 | 743 | unsigned long usec) |
3c39a379 | 744 | { |
756867bd | 745 | struct thread_stat *ts = &td->ts; |
079ad09b | 746 | |
d85f5118 | 747 | add_stat_sample(&ts->slat_stat[ddir], usec); |
3c39a379 | 748 | |
079ad09b | 749 | if (ts->slat_log) |
d85f5118 | 750 | add_log_sample(td, ts->slat_log, usec, ddir); |
3c39a379 JA |
751 | } |
752 | ||
1e97cce9 JA |
753 | void add_bw_sample(struct thread_data *td, enum fio_ddir ddir, |
754 | struct timeval *t) | |
3c39a379 | 755 | { |
756867bd | 756 | struct thread_stat *ts = &td->ts; |
079ad09b | 757 | unsigned long spent = mtime_since(&ts->stat_sample_time[ddir], t); |
3c39a379 JA |
758 | unsigned long rate; |
759 | ||
2dc1bbeb | 760 | if (spent < td->o.bw_avg_time) |
3c39a379 JA |
761 | return; |
762 | ||
8879fd15 | 763 | rate = (td->this_io_bytes[ddir] - ts->stat_io_bytes[ddir]) * 1000 / spent / 1024; |
079ad09b | 764 | add_stat_sample(&ts->bw_stat[ddir], rate); |
3c39a379 | 765 | |
079ad09b JA |
766 | if (ts->bw_log) |
767 | add_log_sample(td, ts->bw_log, rate, ddir); | |
3c39a379 | 768 | |
079ad09b JA |
769 | fio_gettime(&ts->stat_sample_time[ddir], NULL); |
770 | ts->stat_io_bytes[ddir] = td->this_io_bytes[ddir]; | |
3c39a379 | 771 | } |