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" | |
7c9b1bce | 11 | #include "diskutil.h" |
c7c6cb4c | 12 | #include "lib/ieee754.h" |
3c39a379 | 13 | |
3c39a379 JA |
14 | void update_rusage_stat(struct thread_data *td) |
15 | { | |
756867bd | 16 | struct thread_stat *ts = &td->ts; |
3c39a379 | 17 | |
c8aaba19 | 18 | getrusage(RUSAGE_SELF, &td->ru_end); |
079ad09b | 19 | |
c8aaba19 JA |
20 | ts->usr_time += mtime_since(&td->ru_start.ru_utime, |
21 | &td->ru_end.ru_utime); | |
22 | ts->sys_time += mtime_since(&td->ru_start.ru_stime, | |
23 | &td->ru_end.ru_stime); | |
24 | ts->ctx += td->ru_end.ru_nvcsw + td->ru_end.ru_nivcsw | |
25 | - (td->ru_start.ru_nvcsw + td->ru_start.ru_nivcsw); | |
26 | ts->minf += td->ru_end.ru_minflt - td->ru_start.ru_minflt; | |
27 | ts->majf += td->ru_end.ru_majflt - td->ru_start.ru_majflt; | |
5ec10eaa | 28 | |
c8aaba19 | 29 | memcpy(&td->ru_start, &td->ru_end, sizeof(td->ru_end)); |
3c39a379 JA |
30 | } |
31 | ||
83349190 YH |
32 | /* |
33 | * Given a latency, return the index of the corresponding bucket in | |
34 | * the structure tracking percentiles. | |
35 | * | |
36 | * (1) find the group (and error bits) that the value (latency) | |
37 | * belongs to by looking at its MSB. (2) find the bucket number in the | |
38 | * group by looking at the index bits. | |
39 | * | |
40 | */ | |
41 | static unsigned int plat_val_to_idx(unsigned int val) | |
42 | { | |
43 | unsigned int msb, error_bits, base, offset, idx; | |
44 | ||
45 | /* Find MSB starting from bit 0 */ | |
46 | if (val == 0) | |
47 | msb = 0; | |
48 | else | |
49 | msb = (sizeof(val)*8) - __builtin_clz(val) - 1; | |
50 | ||
716050f2 JA |
51 | /* |
52 | * MSB <= (FIO_IO_U_PLAT_BITS-1), cannot be rounded off. Use | |
53 | * all bits of the sample as index | |
54 | */ | |
83349190 YH |
55 | if (msb <= FIO_IO_U_PLAT_BITS) |
56 | return val; | |
57 | ||
58 | /* Compute the number of error bits to discard*/ | |
59 | error_bits = msb - FIO_IO_U_PLAT_BITS; | |
60 | ||
61 | /* Compute the number of buckets before the group */ | |
62 | base = (error_bits + 1) << FIO_IO_U_PLAT_BITS; | |
63 | ||
716050f2 JA |
64 | /* |
65 | * Discard the error bits and apply the mask to find the | |
3c3ed070 | 66 | * index for the buckets in the group |
716050f2 | 67 | */ |
83349190 YH |
68 | offset = (FIO_IO_U_PLAT_VAL - 1) & (val >> error_bits); |
69 | ||
70 | /* Make sure the index does not exceed (array size - 1) */ | |
3c3ed070 | 71 | idx = (base + offset) < (FIO_IO_U_PLAT_NR - 1) ? |
83349190 YH |
72 | (base + offset) : (FIO_IO_U_PLAT_NR - 1); |
73 | ||
74 | return idx; | |
75 | } | |
76 | ||
77 | /* | |
78 | * Convert the given index of the bucket array to the value | |
79 | * represented by the bucket | |
80 | */ | |
81 | static unsigned int plat_idx_to_val(unsigned int idx) | |
82 | { | |
83 | unsigned int error_bits, k, base; | |
84 | ||
85 | assert(idx < FIO_IO_U_PLAT_NR); | |
86 | ||
87 | /* MSB <= (FIO_IO_U_PLAT_BITS-1), cannot be rounded off. Use | |
88 | * all bits of the sample as index */ | |
3c3ed070 | 89 | if (idx < (FIO_IO_U_PLAT_VAL << 1)) |
83349190 YH |
90 | return idx; |
91 | ||
92 | /* Find the group and compute the minimum value of that group */ | |
3c3ed070 | 93 | error_bits = (idx >> FIO_IO_U_PLAT_BITS) - 1; |
83349190 YH |
94 | base = 1 << (error_bits + FIO_IO_U_PLAT_BITS); |
95 | ||
96 | /* Find its bucket number of the group */ | |
97 | k = idx % FIO_IO_U_PLAT_VAL; | |
98 | ||
99 | /* Return the mean of the range of the bucket */ | |
100 | return base + ((k + 0.5) * (1 << error_bits)); | |
101 | } | |
102 | ||
103 | static int double_cmp(const void *a, const void *b) | |
104 | { | |
802ad4a8 JA |
105 | const fio_fp64_t fa = *(const fio_fp64_t *) a; |
106 | const fio_fp64_t fb = *(const fio_fp64_t *) b; | |
83349190 YH |
107 | int cmp = 0; |
108 | ||
802ad4a8 | 109 | if (fa.u.f > fb.u.f) |
83349190 | 110 | cmp = 1; |
802ad4a8 | 111 | else if (fa.u.f < fb.u.f) |
83349190 YH |
112 | cmp = -1; |
113 | ||
114 | return cmp; | |
115 | } | |
116 | ||
a269790c JA |
117 | unsigned int calc_clat_percentiles(unsigned int *io_u_plat, unsigned long nr, |
118 | fio_fp64_t *plist, unsigned int **output, | |
119 | unsigned int *maxv, unsigned int *minv) | |
83349190 YH |
120 | { |
121 | unsigned long sum = 0; | |
1db92cb6 JA |
122 | unsigned int len, i, j = 0; |
123 | unsigned int oval_len = 0; | |
124 | unsigned int *ovals = NULL; | |
125 | int is_last; | |
126 | ||
127 | *minv = -1U; | |
128 | *maxv = 0; | |
83349190 | 129 | |
802ad4a8 JA |
130 | len = 0; |
131 | while (len < FIO_IO_U_LIST_MAX_LEN && plist[len].u.f != 0.0) | |
132 | len++; | |
716050f2 | 133 | |
351de8de | 134 | if (!len) |
1db92cb6 | 135 | return 0; |
351de8de | 136 | |
716050f2 | 137 | /* |
802ad4a8 JA |
138 | * Sort the percentile list. Note that it may already be sorted if |
139 | * we are using the default values, but since it's a short list this | |
140 | * isn't a worry. Also note that this does not work for NaN values. | |
716050f2 | 141 | */ |
802ad4a8 | 142 | if (len > 1) |
3c3ed070 | 143 | qsort((void *)plist, len, sizeof(plist[0]), double_cmp); |
83349190 | 144 | |
4f6f8298 JA |
145 | /* |
146 | * Calculate bucket values, note down max and min values | |
147 | */ | |
07511a63 JA |
148 | is_last = 0; |
149 | for (i = 0; i < FIO_IO_U_PLAT_NR && !is_last; i++) { | |
83349190 | 150 | sum += io_u_plat[i]; |
802ad4a8 JA |
151 | while (sum >= (plist[j].u.f / 100.0 * nr)) { |
152 | assert(plist[j].u.f <= 100.0); | |
83349190 | 153 | |
4f6f8298 JA |
154 | if (j == oval_len) { |
155 | oval_len += 100; | |
156 | ovals = realloc(ovals, oval_len * sizeof(unsigned int)); | |
157 | } | |
158 | ||
159 | ovals[j] = plat_idx_to_val(i); | |
1db92cb6 JA |
160 | if (ovals[j] < *minv) |
161 | *minv = ovals[j]; | |
162 | if (ovals[j] > *maxv) | |
163 | *maxv = ovals[j]; | |
07511a63 JA |
164 | |
165 | is_last = (j == len - 1); | |
166 | if (is_last) | |
167 | break; | |
168 | ||
4f6f8298 JA |
169 | j++; |
170 | } | |
171 | } | |
83349190 | 172 | |
1db92cb6 JA |
173 | *output = ovals; |
174 | return len; | |
175 | } | |
176 | ||
177 | /* | |
178 | * Find and display the p-th percentile of clat | |
179 | */ | |
180 | static void show_clat_percentiles(unsigned int *io_u_plat, unsigned long nr, | |
181 | fio_fp64_t *plist) | |
182 | { | |
183 | unsigned int len, j = 0, minv, maxv; | |
184 | unsigned int *ovals; | |
185 | int is_last, scale_down; | |
186 | ||
187 | len = calc_clat_percentiles(io_u_plat, nr, plist, &ovals, &maxv, &minv); | |
188 | if (!len) | |
189 | goto out; | |
190 | ||
4f6f8298 JA |
191 | /* |
192 | * We default to usecs, but if the value range is such that we | |
193 | * should scale down to msecs, do that. | |
194 | */ | |
195 | if (minv > 2000 && maxv > 99999) { | |
196 | scale_down = 1; | |
197 | log_info(" clat percentiles (msec):\n |"); | |
198 | } else { | |
199 | scale_down = 0; | |
200 | log_info(" clat percentiles (usec):\n |"); | |
201 | } | |
83349190 | 202 | |
4f6f8298 JA |
203 | for (j = 0; j < len; j++) { |
204 | char fbuf[8]; | |
81ab0b3a | 205 | |
4f6f8298 JA |
206 | /* for formatting */ |
207 | if (j != 0 && (j % 4) == 0) | |
208 | log_info(" |"); | |
83349190 | 209 | |
4f6f8298 JA |
210 | /* end of the list */ |
211 | is_last = (j == len - 1); | |
83349190 | 212 | |
4f6f8298 JA |
213 | if (plist[j].u.f < 10.0) |
214 | sprintf(fbuf, " %2.2f", plist[j].u.f); | |
215 | else | |
216 | sprintf(fbuf, "%2.2f", plist[j].u.f); | |
217 | ||
218 | if (scale_down) | |
219 | ovals[j] = (ovals[j] + 999) / 1000; | |
220 | ||
221 | log_info(" %sth=[%5u]%c", fbuf, ovals[j], is_last ? '\n' : ','); | |
222 | ||
223 | if (is_last) | |
224 | break; | |
225 | ||
226 | if (j % 4 == 3) /* for formatting */ | |
227 | log_info("\n"); | |
83349190 | 228 | } |
4f6f8298 | 229 | |
1db92cb6 | 230 | out: |
4f6f8298 JA |
231 | if (ovals) |
232 | free(ovals); | |
83349190 YH |
233 | } |
234 | ||
b29ad562 JA |
235 | int calc_lat(struct io_stat *is, unsigned long *min, unsigned long *max, |
236 | double *mean, double *dev) | |
3c39a379 | 237 | { |
68704084 | 238 | double n = is->samples; |
3c39a379 JA |
239 | |
240 | if (is->samples == 0) | |
241 | return 0; | |
242 | ||
243 | *min = is->min_val; | |
244 | *max = is->max_val; | |
245 | ||
246 | n = (double) is->samples; | |
802ad4a8 | 247 | *mean = is->mean.u.f; |
e6d276f2 | 248 | |
68704084 | 249 | if (n > 1.0) |
802ad4a8 | 250 | *dev = sqrt(is->S.u.f / (n - 1.0)); |
ef9c5c40 | 251 | else |
4b43f54e | 252 | *dev = 0; |
ef9c5c40 | 253 | |
3c39a379 JA |
254 | return 1; |
255 | } | |
256 | ||
a64e88da | 257 | void show_group_stats(struct group_run_stats *rs) |
3c39a379 | 258 | { |
dbe1125e JA |
259 | char *p1, *p2, *p3, *p4; |
260 | const char *ddir_str[] = { " READ", " WRITE" }; | |
261 | int i; | |
262 | ||
7e1773ba | 263 | log_info("\nRun status group %d (all jobs):\n", rs->groupid); |
3c39a379 | 264 | |
dbe1125e | 265 | for (i = 0; i <= DDIR_WRITE; i++) { |
90fef2d1 JA |
266 | const int i2p = is_power_of_2(rs->kb_base); |
267 | ||
dbe1125e JA |
268 | if (!rs->max_run[i]) |
269 | continue; | |
270 | ||
90fef2d1 JA |
271 | p1 = num2str(rs->io_kb[i], 6, rs->kb_base, i2p); |
272 | p2 = num2str(rs->agg[i], 6, rs->kb_base, i2p); | |
273 | p3 = num2str(rs->min_bw[i], 6, rs->kb_base, i2p); | |
274 | p4 = num2str(rs->max_bw[i], 6, rs->kb_base, i2p); | |
dbe1125e | 275 | |
b22989b9 | 276 | log_info("%s: io=%sB, aggrb=%sB/s, minb=%sB/s, maxb=%sB/s," |
5ec10eaa JA |
277 | " mint=%llumsec, maxt=%llumsec\n", ddir_str[i], p1, p2, |
278 | p3, p4, rs->min_run[i], | |
279 | rs->max_run[i]); | |
dbe1125e JA |
280 | |
281 | free(p1); | |
282 | free(p2); | |
283 | free(p3); | |
284 | free(p4); | |
285 | } | |
3c39a379 JA |
286 | } |
287 | ||
2e33101f | 288 | void stat_calc_dist(unsigned int *map, unsigned long total, double *io_u_dist) |
2270890c JA |
289 | { |
290 | int i; | |
291 | ||
292 | /* | |
293 | * Do depth distribution calculations | |
294 | */ | |
295 | for (i = 0; i < FIO_IO_U_MAP_NR; i++) { | |
838bc709 JA |
296 | if (total) { |
297 | io_u_dist[i] = (double) map[i] / (double) total; | |
298 | io_u_dist[i] *= 100.0; | |
299 | if (io_u_dist[i] < 0.1 && map[i]) | |
300 | io_u_dist[i] = 0.1; | |
301 | } else | |
302 | io_u_dist[i] = 0.0; | |
2270890c JA |
303 | } |
304 | } | |
305 | ||
04a0feae JA |
306 | static void stat_calc_lat(struct thread_stat *ts, double *dst, |
307 | unsigned int *src, int nr) | |
2270890c | 308 | { |
838bc709 | 309 | unsigned long total = ts_total_io_u(ts); |
2270890c JA |
310 | int i; |
311 | ||
312 | /* | |
313 | * Do latency distribution calculations | |
314 | */ | |
04a0feae | 315 | for (i = 0; i < nr; i++) { |
838bc709 JA |
316 | if (total) { |
317 | dst[i] = (double) src[i] / (double) total; | |
318 | dst[i] *= 100.0; | |
319 | if (dst[i] < 0.01 && src[i]) | |
320 | dst[i] = 0.01; | |
321 | } else | |
322 | dst[i] = 0.0; | |
2270890c JA |
323 | } |
324 | } | |
325 | ||
e5bd1347 | 326 | void stat_calc_lat_u(struct thread_stat *ts, double *io_u_lat) |
04a0feae JA |
327 | { |
328 | stat_calc_lat(ts, io_u_lat, ts->io_u_lat_u, FIO_IO_U_LAT_U_NR); | |
329 | } | |
330 | ||
e5bd1347 | 331 | void stat_calc_lat_m(struct thread_stat *ts, double *io_u_lat) |
04a0feae JA |
332 | { |
333 | stat_calc_lat(ts, io_u_lat, ts->io_u_lat_m, FIO_IO_U_LAT_M_NR); | |
334 | } | |
335 | ||
b29ad562 JA |
336 | static void display_lat(const char *name, unsigned long min, unsigned long max, |
337 | double mean, double dev) | |
ea2accc5 | 338 | { |
b29ad562 JA |
339 | const char *base = "(usec)"; |
340 | char *minp, *maxp; | |
ea2accc5 | 341 | |
b29ad562 JA |
342 | if (!usec_to_msec(&min, &max, &mean, &dev)) |
343 | base = "(msec)"; | |
344 | ||
345 | minp = num2str(min, 6, 1, 0); | |
346 | maxp = num2str(max, 6, 1, 0); | |
347 | ||
348 | log_info(" %s %s: min=%s, max=%s, avg=%5.02f," | |
349 | " stdev=%5.02f\n", name, base, minp, maxp, mean, dev); | |
350 | ||
351 | free(minp); | |
352 | free(maxp); | |
ea2accc5 JA |
353 | } |
354 | ||
756867bd | 355 | static void show_ddir_status(struct group_run_stats *rs, struct thread_stat *ts, |
3c39a379 JA |
356 | int ddir) |
357 | { | |
3c9b60c1 | 358 | const char *ddir_str[] = { "read ", "write" }; |
8879fd15 | 359 | unsigned long min, max, runt; |
b3605062 | 360 | unsigned long long bw, iops; |
3c39a379 | 361 | double mean, dev; |
b3605062 | 362 | char *io_p, *bw_p, *iops_p; |
90fef2d1 | 363 | int i2p; |
3c39a379 | 364 | |
ff58fced JA |
365 | assert(ddir_rw(ddir)); |
366 | ||
756867bd | 367 | if (!ts->runtime[ddir]) |
3c39a379 JA |
368 | return; |
369 | ||
90fef2d1 | 370 | i2p = is_power_of_2(rs->kb_base); |
8879fd15 JA |
371 | runt = ts->runtime[ddir]; |
372 | ||
373 | bw = (1000 * ts->io_bytes[ddir]) / runt; | |
90fef2d1 JA |
374 | io_p = num2str(ts->io_bytes[ddir], 6, 1, i2p); |
375 | bw_p = num2str(bw, 6, 1, i2p); | |
8879fd15 | 376 | |
0aacc50c | 377 | iops = (1000 * (uint64_t)ts->total_io_u[ddir]) / runt; |
b3605062 | 378 | iops_p = num2str(iops, 6, 1, 0); |
dbe1125e | 379 | |
cda99fa0 | 380 | log_info(" %s: io=%sB, bw=%sB/s, iops=%s, runt=%6llumsec\n", |
5ec10eaa JA |
381 | ddir_str[ddir], io_p, bw_p, iops_p, |
382 | ts->runtime[ddir]); | |
dbe1125e JA |
383 | |
384 | free(io_p); | |
385 | free(bw_p); | |
b3605062 | 386 | free(iops_p); |
3c39a379 | 387 | |
b29ad562 JA |
388 | if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev)) |
389 | display_lat("slat", min, max, mean, dev); | |
390 | if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev)) | |
391 | display_lat("clat", min, max, mean, dev); | |
392 | if (calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev)) | |
393 | display_lat(" lat", min, max, mean, dev); | |
02af0988 | 394 | |
83349190 YH |
395 | if (ts->clat_percentiles) { |
396 | show_clat_percentiles(ts->io_u_plat[ddir], | |
397 | ts->clat_stat[ddir].samples, | |
398 | ts->percentile_list); | |
399 | } | |
079ad09b | 400 | if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) { |
19d3e967 | 401 | double p_of_agg = 100.0; |
b7017e32 | 402 | const char *bw_str = "KB"; |
3c39a379 | 403 | |
2f2c6924 | 404 | if (rs->agg[ddir]) { |
19d3e967 JA |
405 | p_of_agg = mean * 100 / (double) rs->agg[ddir]; |
406 | if (p_of_agg > 100.0) | |
407 | p_of_agg = 100.0; | |
408 | } | |
b7017e32 JA |
409 | |
410 | if (mean > 999999.9) { | |
411 | min /= 1000.0; | |
412 | max /= 1000.0; | |
413 | mean /= 1000.0; | |
414 | dev /= 1000.0; | |
415 | bw_str = "MB"; | |
416 | } | |
417 | ||
7e1773ba | 418 | log_info(" bw (%s/s) : min=%5lu, max=%5lu, per=%3.2f%%," |
b7017e32 JA |
419 | " avg=%5.02f, stdev=%5.02f\n", bw_str, min, max, |
420 | p_of_agg, mean, dev); | |
3c39a379 JA |
421 | } |
422 | } | |
423 | ||
7e1773ba JA |
424 | static int show_lat(double *io_u_lat, int nr, const char **ranges, |
425 | const char *msg) | |
04a0feae | 426 | { |
7e1773ba | 427 | int new_line = 1, i, line = 0, shown = 0; |
04a0feae JA |
428 | |
429 | for (i = 0; i < nr; i++) { | |
430 | if (io_u_lat[i] <= 0.0) | |
431 | continue; | |
7e1773ba | 432 | shown = 1; |
04a0feae | 433 | if (new_line) { |
4539ed73 JA |
434 | if (line) |
435 | log_info("\n"); | |
7e1773ba | 436 | log_info(" lat (%s) : ", msg); |
04a0feae JA |
437 | new_line = 0; |
438 | line = 0; | |
439 | } | |
440 | if (line) | |
441 | log_info(", "); | |
442 | log_info("%s%3.2f%%", ranges[i], io_u_lat[i]); | |
443 | line++; | |
444 | if (line == 5) | |
445 | new_line = 1; | |
446 | } | |
7e1773ba JA |
447 | |
448 | if (shown) | |
449 | log_info("\n"); | |
450 | ||
451 | return shown; | |
04a0feae JA |
452 | } |
453 | ||
454 | static void show_lat_u(double *io_u_lat_u) | |
455 | { | |
456 | const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=", | |
457 | "250=", "500=", "750=", "1000=", }; | |
458 | ||
459 | show_lat(io_u_lat_u, FIO_IO_U_LAT_U_NR, ranges, "usec"); | |
460 | } | |
461 | ||
462 | static void show_lat_m(double *io_u_lat_m) | |
463 | { | |
464 | const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=", | |
465 | "250=", "500=", "750=", "1000=", "2000=", | |
466 | ">=2000=", }; | |
467 | ||
468 | show_lat(io_u_lat_m, FIO_IO_U_LAT_M_NR, ranges, "msec"); | |
469 | } | |
470 | ||
c551f65a | 471 | static void show_latencies(struct thread_stat *ts) |
04a0feae | 472 | { |
c551f65a JA |
473 | double io_u_lat_u[FIO_IO_U_LAT_U_NR]; |
474 | double io_u_lat_m[FIO_IO_U_LAT_M_NR]; | |
475 | ||
5a18988e JA |
476 | stat_calc_lat_u(ts, io_u_lat_u); |
477 | stat_calc_lat_m(ts, io_u_lat_m); | |
478 | ||
04a0feae JA |
479 | show_lat_u(io_u_lat_u); |
480 | show_lat_m(io_u_lat_m); | |
04a0feae JA |
481 | } |
482 | ||
a64e88da | 483 | void show_thread_status(struct thread_stat *ts, struct group_run_stats *rs) |
3c39a379 JA |
484 | { |
485 | double usr_cpu, sys_cpu; | |
69008999 | 486 | unsigned long runtime; |
71619dc2 | 487 | double io_u_dist[FIO_IO_U_MAP_NR]; |
3c39a379 | 488 | |
b4c5e1ac JA |
489 | if (!(ts->io_bytes[0] + ts->io_bytes[1]) && |
490 | !(ts->total_io_u[0] + ts->total_io_u[1])) | |
3c39a379 JA |
491 | return; |
492 | ||
5ec10eaa JA |
493 | if (!ts->error) { |
494 | log_info("%s: (groupid=%d, jobs=%d): err=%2d: pid=%d\n", | |
495 | ts->name, ts->groupid, ts->members, | |
5921e80c | 496 | ts->error, (int) ts->pid); |
5ec10eaa JA |
497 | } else { |
498 | log_info("%s: (groupid=%d, jobs=%d): err=%2d (%s): pid=%d\n", | |
499 | ts->name, ts->groupid, ts->members, | |
5921e80c | 500 | ts->error, ts->verror, (int) ts->pid); |
5ec10eaa | 501 | } |
3c39a379 | 502 | |
259e47de | 503 | if (strlen(ts->description)) |
6d86144d | 504 | log_info(" Description : [%s]\n", ts->description); |
7bdce1bd | 505 | |
756867bd JA |
506 | if (ts->io_bytes[DDIR_READ]) |
507 | show_ddir_status(rs, ts, DDIR_READ); | |
508 | if (ts->io_bytes[DDIR_WRITE]) | |
509 | show_ddir_status(rs, ts, DDIR_WRITE); | |
3c39a379 | 510 | |
c551f65a | 511 | show_latencies(ts); |
7e1773ba | 512 | |
756867bd | 513 | runtime = ts->total_run_time; |
69008999 | 514 | if (runtime) { |
1e97cce9 | 515 | double runt = (double) runtime; |
3c39a379 | 516 | |
756867bd JA |
517 | usr_cpu = (double) ts->usr_time * 100 / runt; |
518 | sys_cpu = (double) ts->sys_time * 100 / runt; | |
3c39a379 JA |
519 | } else { |
520 | usr_cpu = 0; | |
521 | sys_cpu = 0; | |
522 | } | |
523 | ||
5ec10eaa JA |
524 | log_info(" cpu : usr=%3.2f%%, sys=%3.2f%%, ctx=%lu, majf=%lu," |
525 | " minf=%lu\n", usr_cpu, sys_cpu, ts->ctx, ts->majf, ts->minf); | |
71619dc2 | 526 | |
838bc709 | 527 | stat_calc_dist(ts->io_u_map, ts_total_io_u(ts), io_u_dist); |
5ec10eaa JA |
528 | log_info(" IO depths : 1=%3.1f%%, 2=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%," |
529 | " 16=%3.1f%%, 32=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0], | |
530 | io_u_dist[1], io_u_dist[2], | |
531 | io_u_dist[3], io_u_dist[4], | |
532 | io_u_dist[5], io_u_dist[6]); | |
838bc709 JA |
533 | |
534 | stat_calc_dist(ts->io_u_submit, ts->total_submit, io_u_dist); | |
535 | log_info(" submit : 0=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%, 16=%3.1f%%," | |
536 | " 32=%3.1f%%, 64=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0], | |
537 | io_u_dist[1], io_u_dist[2], | |
538 | io_u_dist[3], io_u_dist[4], | |
539 | io_u_dist[5], io_u_dist[6]); | |
540 | stat_calc_dist(ts->io_u_complete, ts->total_complete, io_u_dist); | |
541 | log_info(" complete : 0=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%, 16=%3.1f%%," | |
542 | " 32=%3.1f%%, 64=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0], | |
543 | io_u_dist[1], io_u_dist[2], | |
544 | io_u_dist[3], io_u_dist[4], | |
545 | io_u_dist[5], io_u_dist[6]); | |
7e1773ba JA |
546 | log_info(" issued : total=r=%lu/w=%lu/d=%lu," |
547 | " short=r=%lu/w=%lu/d=%lu\n", | |
5ec10eaa | 548 | ts->total_io_u[0], ts->total_io_u[1], |
0d29de83 JA |
549 | ts->total_io_u[2], |
550 | ts->short_io_u[0], ts->short_io_u[1], | |
551 | ts->short_io_u[2]); | |
f2bba182 | 552 | if (ts->continue_on_error) { |
1ec99eea JA |
553 | log_info(" errors : total=%lu, first_error=%d/<%s>\n", |
554 | ts->total_err_count, | |
555 | ts->first_error, | |
556 | strerror(ts->first_error)); | |
f2bba182 | 557 | } |
3c39a379 JA |
558 | } |
559 | ||
756867bd | 560 | static void show_ddir_status_terse(struct thread_stat *ts, |
c6ae0a5b JA |
561 | struct group_run_stats *rs, int ddir) |
562 | { | |
563 | unsigned long min, max; | |
312b4af2 | 564 | unsigned long long bw, iops; |
1db92cb6 | 565 | unsigned int *ovals = NULL; |
c6ae0a5b | 566 | double mean, dev; |
1db92cb6 JA |
567 | unsigned int len, minv, maxv; |
568 | int i; | |
c6ae0a5b | 569 | |
ff58fced JA |
570 | assert(ddir_rw(ddir)); |
571 | ||
312b4af2 JA |
572 | iops = bw = 0; |
573 | if (ts->runtime[ddir]) { | |
574 | uint64_t runt = ts->runtime[ddir]; | |
575 | ||
033bbb51 | 576 | bw = ((1000 * ts->io_bytes[ddir]) / runt) / 1024; |
312b4af2 JA |
577 | iops = (1000 * (uint64_t) ts->total_io_u[ddir]) / runt; |
578 | } | |
c6ae0a5b | 579 | |
312b4af2 | 580 | log_info(";%llu;%llu;%llu;%llu", ts->io_bytes[ddir] >> 10, bw, iops, |
5ec10eaa | 581 | ts->runtime[ddir]); |
c6ae0a5b | 582 | |
079ad09b | 583 | if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev)) |
6d86144d | 584 | log_info(";%lu;%lu;%f;%f", min, max, mean, dev); |
c6ae0a5b | 585 | else |
6d86144d | 586 | log_info(";%lu;%lu;%f;%f", 0UL, 0UL, 0.0, 0.0); |
c6ae0a5b | 587 | |
079ad09b | 588 | if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev)) |
6d86144d | 589 | log_info(";%lu;%lu;%f;%f", min, max, mean, dev); |
c6ae0a5b | 590 | else |
6d86144d | 591 | log_info(";%lu;%lu;%f;%f", 0UL, 0UL, 0.0, 0.0); |
c6ae0a5b | 592 | |
1db92cb6 JA |
593 | if (ts->clat_percentiles) { |
594 | len = calc_clat_percentiles(ts->io_u_plat[ddir], | |
595 | ts->clat_stat[ddir].samples, | |
596 | ts->percentile_list, &ovals, &maxv, | |
597 | &minv); | |
598 | } else | |
599 | len = 0; | |
600 | ||
601 | for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) { | |
602 | if (i >= len) { | |
603 | log_info(";0%%=0"); | |
604 | continue; | |
605 | } | |
606 | log_info(";%2.2f%%=%u", ts->percentile_list[i].u.f, ovals[i]); | |
607 | } | |
2341a37a K |
608 | |
609 | if (calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev)) | |
610 | log_info(";%lu;%lu;%f;%f", min, max, mean, dev); | |
611 | else | |
612 | log_info(";%lu;%lu;%f;%f", 0UL, 0UL, 0.0, 0.0); | |
613 | ||
1db92cb6 JA |
614 | if (ovals) |
615 | free(ovals); | |
616 | ||
079ad09b | 617 | if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) { |
19d3e967 JA |
618 | double p_of_agg = 100.0; |
619 | ||
620 | if (rs->agg[ddir]) { | |
621 | p_of_agg = mean * 100 / (double) rs->agg[ddir]; | |
622 | if (p_of_agg > 100.0) | |
623 | p_of_agg = 100.0; | |
624 | } | |
c6ae0a5b | 625 | |
6d86144d | 626 | log_info(";%lu;%lu;%f%%;%f;%f", min, max, p_of_agg, mean, dev); |
c6ae0a5b | 627 | } else |
6d86144d | 628 | log_info(";%lu;%lu;%f%%;%f;%f", 0UL, 0UL, 0.0, 0.0, 0.0); |
c6ae0a5b JA |
629 | } |
630 | ||
4d658652 | 631 | static void show_thread_status_terse_v2(struct thread_stat *ts, |
3c3ed070 | 632 | struct group_run_stats *rs) |
4d658652 JA |
633 | { |
634 | double io_u_dist[FIO_IO_U_MAP_NR]; | |
635 | double io_u_lat_u[FIO_IO_U_LAT_U_NR]; | |
636 | double io_u_lat_m[FIO_IO_U_LAT_M_NR]; | |
637 | double usr_cpu, sys_cpu; | |
638 | int i; | |
639 | ||
640 | /* General Info */ | |
641 | log_info("2;%s;%d;%d", ts->name, ts->groupid, ts->error); | |
642 | /* Log Read Status */ | |
643 | show_ddir_status_terse(ts, rs, 0); | |
644 | /* Log Write Status */ | |
645 | show_ddir_status_terse(ts, rs, 1); | |
646 | ||
647 | /* CPU Usage */ | |
648 | if (ts->total_run_time) { | |
649 | double runt = (double) ts->total_run_time; | |
650 | ||
651 | usr_cpu = (double) ts->usr_time * 100 / runt; | |
652 | sys_cpu = (double) ts->sys_time * 100 / runt; | |
653 | } else { | |
654 | usr_cpu = 0; | |
655 | sys_cpu = 0; | |
656 | } | |
657 | ||
658 | log_info(";%f%%;%f%%;%lu;%lu;%lu", usr_cpu, sys_cpu, ts->ctx, ts->majf, | |
659 | ts->minf); | |
660 | ||
661 | /* Calc % distribution of IO depths, usecond, msecond latency */ | |
662 | stat_calc_dist(ts->io_u_map, ts_total_io_u(ts), io_u_dist); | |
663 | stat_calc_lat_u(ts, io_u_lat_u); | |
664 | stat_calc_lat_m(ts, io_u_lat_m); | |
665 | ||
666 | /* Only show fixed 7 I/O depth levels*/ | |
667 | log_info(";%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%", | |
668 | io_u_dist[0], io_u_dist[1], io_u_dist[2], io_u_dist[3], | |
669 | io_u_dist[4], io_u_dist[5], io_u_dist[6]); | |
670 | ||
671 | /* Microsecond latency */ | |
672 | for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) | |
673 | log_info(";%3.2f%%", io_u_lat_u[i]); | |
674 | /* Millisecond latency */ | |
675 | for (i = 0; i < FIO_IO_U_LAT_M_NR; i++) | |
676 | log_info(";%3.2f%%", io_u_lat_m[i]); | |
677 | /* Additional output if continue_on_error set - default off*/ | |
678 | if (ts->continue_on_error) | |
679 | log_info(";%lu;%d", ts->total_err_count, ts->first_error); | |
680 | log_info("\n"); | |
681 | ||
682 | /* Additional output if description is set */ | |
683 | if (ts->description) | |
684 | log_info(";%s", ts->description); | |
685 | ||
686 | log_info("\n"); | |
687 | } | |
688 | ||
312b4af2 | 689 | #define FIO_TERSE_VERSION "3" |
c6ae0a5b | 690 | |
4d658652 JA |
691 | static void show_thread_status_terse_v3(struct thread_stat *ts, |
692 | struct group_run_stats *rs) | |
c6ae0a5b | 693 | { |
2270890c | 694 | double io_u_dist[FIO_IO_U_MAP_NR]; |
04a0feae JA |
695 | double io_u_lat_u[FIO_IO_U_LAT_U_NR]; |
696 | double io_u_lat_m[FIO_IO_U_LAT_M_NR]; | |
c6ae0a5b | 697 | double usr_cpu, sys_cpu; |
04a0feae | 698 | int i; |
c6ae0a5b | 699 | |
562c2d2f | 700 | /* General Info */ |
5e726d0a JA |
701 | log_info("%s;%s;%s;%d;%d", FIO_TERSE_VERSION, fio_version_string, |
702 | ts->name, ts->groupid, ts->error); | |
562c2d2f | 703 | /* Log Read Status */ |
756867bd | 704 | show_ddir_status_terse(ts, rs, 0); |
562c2d2f | 705 | /* Log Write Status */ |
756867bd | 706 | show_ddir_status_terse(ts, rs, 1); |
c6ae0a5b | 707 | |
562c2d2f | 708 | /* CPU Usage */ |
756867bd JA |
709 | if (ts->total_run_time) { |
710 | double runt = (double) ts->total_run_time; | |
c6ae0a5b | 711 | |
756867bd JA |
712 | usr_cpu = (double) ts->usr_time * 100 / runt; |
713 | sys_cpu = (double) ts->sys_time * 100 / runt; | |
c6ae0a5b JA |
714 | } else { |
715 | usr_cpu = 0; | |
716 | sys_cpu = 0; | |
717 | } | |
718 | ||
5ec10eaa JA |
719 | log_info(";%f%%;%f%%;%lu;%lu;%lu", usr_cpu, sys_cpu, ts->ctx, ts->majf, |
720 | ts->minf); | |
2270890c | 721 | |
562c2d2f | 722 | /* Calc % distribution of IO depths, usecond, msecond latency */ |
838bc709 | 723 | stat_calc_dist(ts->io_u_map, ts_total_io_u(ts), io_u_dist); |
04a0feae JA |
724 | stat_calc_lat_u(ts, io_u_lat_u); |
725 | stat_calc_lat_m(ts, io_u_lat_m); | |
2270890c | 726 | |
562c2d2f | 727 | /* Only show fixed 7 I/O depth levels*/ |
5ec10eaa JA |
728 | log_info(";%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%", |
729 | io_u_dist[0], io_u_dist[1], io_u_dist[2], io_u_dist[3], | |
730 | io_u_dist[4], io_u_dist[5], io_u_dist[6]); | |
2270890c | 731 | |
562c2d2f | 732 | /* Microsecond latency */ |
04a0feae JA |
733 | for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) |
734 | log_info(";%3.2f%%", io_u_lat_u[i]); | |
562c2d2f | 735 | /* Millisecond latency */ |
04a0feae JA |
736 | for (i = 0; i < FIO_IO_U_LAT_M_NR; i++) |
737 | log_info(";%3.2f%%", io_u_lat_m[i]); | |
f2f788dd JA |
738 | |
739 | /* disk util stats, if any */ | |
740 | show_disk_util(1); | |
741 | ||
562c2d2f | 742 | /* Additional output if continue_on_error set - default off*/ |
f2bba182 RR |
743 | if (ts->continue_on_error) |
744 | log_info(";%lu;%d", ts->total_err_count, ts->first_error); | |
2270890c | 745 | |
562c2d2f | 746 | /* Additional output if description is set */ |
4b0f2258 | 747 | if (strlen(ts->description)) |
6d86144d | 748 | log_info(";%s", ts->description); |
946e4276 JA |
749 | |
750 | log_info("\n"); | |
756867bd JA |
751 | } |
752 | ||
4d658652 JA |
753 | static void show_thread_status_terse(struct thread_stat *ts, |
754 | struct group_run_stats *rs) | |
755 | { | |
756 | if (terse_version == 2) | |
757 | show_thread_status_terse_v2(ts, rs); | |
758 | else if (terse_version == 3) | |
759 | show_thread_status_terse_v3(ts, rs); | |
760 | else | |
761 | log_err("fio: bad terse version!? %d\n", terse_version); | |
762 | } | |
763 | ||
197574e4 | 764 | static void sum_stat(struct io_stat *dst, struct io_stat *src, int nr) |
756867bd JA |
765 | { |
766 | double mean, S; | |
767 | ||
e09231c2 ZL |
768 | if (src->samples == 0) |
769 | return; | |
770 | ||
756867bd JA |
771 | dst->min_val = min(dst->min_val, src->min_val); |
772 | dst->max_val = max(dst->max_val, src->max_val); | |
756867bd JA |
773 | |
774 | /* | |
cdcac5cf YH |
775 | * Compute new mean and S after the merge |
776 | * <http://en.wikipedia.org/wiki/Algorithms_for_calculating_variance | |
777 | * #Parallel_algorithm> | |
756867bd JA |
778 | */ |
779 | if (nr == 1) { | |
802ad4a8 JA |
780 | mean = src->mean.u.f; |
781 | S = src->S.u.f; | |
756867bd | 782 | } else { |
802ad4a8 | 783 | double delta = src->mean.u.f - dst->mean.u.f; |
cdcac5cf | 784 | |
802ad4a8 JA |
785 | mean = ((src->mean.u.f * src->samples) + |
786 | (dst->mean.u.f * dst->samples)) / | |
cdcac5cf YH |
787 | (dst->samples + src->samples); |
788 | ||
802ad4a8 | 789 | S = src->S.u.f + dst->S.u.f + pow(delta, 2.0) * |
cdcac5cf YH |
790 | (dst->samples * src->samples) / |
791 | (dst->samples + src->samples); | |
756867bd JA |
792 | } |
793 | ||
cdcac5cf | 794 | dst->samples += src->samples; |
802ad4a8 JA |
795 | dst->mean.u.f = mean; |
796 | dst->S.u.f = S; | |
756867bd JA |
797 | } |
798 | ||
37f0c1ae JA |
799 | void sum_group_stats(struct group_run_stats *dst, struct group_run_stats *src) |
800 | { | |
801 | int i; | |
802 | ||
803 | for (i = 0; i < 2; i++) { | |
804 | if (dst->max_run[i] < src->max_run[i]) | |
805 | dst->max_run[i] = src->max_run[i]; | |
806 | if (dst->min_run[i] && dst->min_run[i] > src->min_run[i]) | |
807 | dst->min_run[i] = src->min_run[i]; | |
808 | if (dst->max_bw[i] < src->max_bw[i]) | |
809 | dst->max_bw[i] = src->max_bw[i]; | |
810 | if (dst->min_bw[i] && dst->min_bw[i] > src->min_bw[i]) | |
811 | dst->min_bw[i] = src->min_bw[i]; | |
812 | ||
813 | dst->io_kb[i] += src->io_kb[i]; | |
814 | dst->agg[i] += src->agg[i]; | |
815 | } | |
816 | ||
817 | } | |
818 | ||
5b9babb7 JA |
819 | void sum_thread_stats(struct thread_stat *dst, struct thread_stat *src, int nr) |
820 | { | |
821 | int l, k; | |
822 | ||
823 | for (l = 0; l <= DDIR_WRITE; l++) { | |
824 | sum_stat(&dst->clat_stat[l], &src->clat_stat[l], nr); | |
825 | sum_stat(&dst->slat_stat[l], &src->slat_stat[l], nr); | |
826 | sum_stat(&dst->lat_stat[l], &src->lat_stat[l], nr); | |
827 | sum_stat(&dst->bw_stat[l], &src->bw_stat[l], nr); | |
828 | ||
829 | dst->io_bytes[l] += src->io_bytes[l]; | |
830 | ||
831 | if (dst->runtime[l] < src->runtime[l]) | |
832 | dst->runtime[l] = src->runtime[l]; | |
833 | } | |
834 | ||
835 | dst->usr_time += src->usr_time; | |
836 | dst->sys_time += src->sys_time; | |
837 | dst->ctx += src->ctx; | |
838 | dst->majf += src->majf; | |
839 | dst->minf += src->minf; | |
840 | ||
841 | for (k = 0; k < FIO_IO_U_MAP_NR; k++) | |
842 | dst->io_u_map[k] += src->io_u_map[k]; | |
843 | for (k = 0; k < FIO_IO_U_MAP_NR; k++) | |
844 | dst->io_u_submit[k] += src->io_u_submit[k]; | |
845 | for (k = 0; k < FIO_IO_U_MAP_NR; k++) | |
846 | dst->io_u_complete[k] += src->io_u_complete[k]; | |
847 | for (k = 0; k < FIO_IO_U_LAT_U_NR; k++) | |
848 | dst->io_u_lat_u[k] += src->io_u_lat_u[k]; | |
849 | for (k = 0; k < FIO_IO_U_LAT_M_NR; k++) | |
850 | dst->io_u_lat_m[k] += src->io_u_lat_m[k]; | |
851 | ||
852 | for (k = 0; k <= 2; k++) { | |
853 | dst->total_io_u[k] += src->total_io_u[k]; | |
854 | dst->short_io_u[k] += src->short_io_u[k]; | |
855 | } | |
856 | ||
857 | for (k = 0; k <= DDIR_WRITE; k++) { | |
858 | int m; | |
859 | for (m = 0; m < FIO_IO_U_PLAT_NR; m++) | |
860 | dst->io_u_plat[k][m] += src->io_u_plat[k][m]; | |
861 | } | |
862 | ||
863 | dst->total_run_time += src->total_run_time; | |
864 | dst->total_submit += src->total_submit; | |
865 | dst->total_complete += src->total_complete; | |
866 | } | |
867 | ||
37f0c1ae JA |
868 | void init_group_run_stat(struct group_run_stats *gs) |
869 | { | |
870 | memset(gs, 0, sizeof(*gs)); | |
871 | gs->min_bw[0] = gs->min_run[0] = ~0UL; | |
872 | gs->min_bw[1] = gs->min_run[1] = ~0UL; | |
873 | } | |
874 | ||
875 | void init_thread_stat(struct thread_stat *ts) | |
876 | { | |
877 | int j; | |
878 | ||
879 | memset(ts, 0, sizeof(*ts)); | |
880 | ||
881 | for (j = 0; j <= DDIR_WRITE; j++) { | |
882 | ts->lat_stat[j].min_val = -1UL; | |
883 | ts->clat_stat[j].min_val = -1UL; | |
884 | ts->slat_stat[j].min_val = -1UL; | |
885 | ts->bw_stat[j].min_val = -1UL; | |
886 | } | |
887 | ts->groupid = -1; | |
888 | } | |
889 | ||
3c39a379 JA |
890 | void show_run_stats(void) |
891 | { | |
892 | struct group_run_stats *runstats, *rs; | |
893 | struct thread_data *td; | |
756867bd | 894 | struct thread_stat *threadstats, *ts; |
5b9babb7 | 895 | int i, j, nr_ts, last_ts, idx; |
90fef2d1 | 896 | int kb_base_warned = 0; |
3c39a379 JA |
897 | |
898 | runstats = malloc(sizeof(struct group_run_stats) * (groupid + 1)); | |
899 | ||
37f0c1ae JA |
900 | for (i = 0; i < groupid + 1; i++) |
901 | init_group_run_stat(&runstats[i]); | |
3c39a379 | 902 | |
756867bd JA |
903 | /* |
904 | * find out how many threads stats we need. if group reporting isn't | |
905 | * enabled, it's one-per-td. | |
906 | */ | |
907 | nr_ts = 0; | |
908 | last_ts = -1; | |
909 | for_each_td(td, i) { | |
2dc1bbeb | 910 | if (!td->o.group_reporting) { |
756867bd JA |
911 | nr_ts++; |
912 | continue; | |
913 | } | |
914 | if (last_ts == td->groupid) | |
915 | continue; | |
916 | ||
917 | last_ts = td->groupid; | |
918 | nr_ts++; | |
919 | } | |
920 | ||
921 | threadstats = malloc(nr_ts * sizeof(struct thread_stat)); | |
922 | ||
37f0c1ae JA |
923 | for (i = 0; i < nr_ts; i++) |
924 | init_thread_stat(&threadstats[i]); | |
756867bd JA |
925 | |
926 | j = 0; | |
927 | last_ts = -1; | |
197574e4 | 928 | idx = 0; |
34572e28 | 929 | for_each_td(td, i) { |
2dc1bbeb JA |
930 | if (idx && (!td->o.group_reporting || |
931 | (td->o.group_reporting && last_ts != td->groupid))) { | |
7abd0e3a JA |
932 | idx = 0; |
933 | j++; | |
934 | } | |
935 | ||
936 | last_ts = td->groupid; | |
937 | ||
756867bd JA |
938 | ts = &threadstats[j]; |
939 | ||
83349190 YH |
940 | ts->clat_percentiles = td->o.clat_percentiles; |
941 | if (td->o.overwrite_plist) | |
802ad4a8 | 942 | memcpy(ts->percentile_list, td->o.percentile_list, sizeof(td->o.percentile_list)); |
83349190 | 943 | else |
802ad4a8 | 944 | memcpy(ts->percentile_list, def_percentile_list, sizeof(def_percentile_list)); |
83349190 | 945 | |
197574e4 | 946 | idx++; |
6586ee89 | 947 | ts->members++; |
756867bd | 948 | |
7abd0e3a | 949 | if (ts->groupid == -1) { |
2dc84ba7 JA |
950 | /* |
951 | * These are per-group shared already | |
952 | */ | |
f6bb5b88 | 953 | strncpy(ts->name, td->o.name, FIO_JOBNAME_SIZE); |
a64e88da JA |
954 | if (td->o.description) |
955 | strncpy(ts->description, td->o.description, | |
956 | FIO_JOBNAME_SIZE); | |
957 | else | |
958 | memset(ts->description, 0, FIO_JOBNAME_SIZE); | |
959 | ||
2f122b13 JA |
960 | /* |
961 | * If multiple entries in this group, this is | |
962 | * the first member. | |
963 | */ | |
964 | ts->thread_number = td->thread_number; | |
756867bd | 965 | ts->groupid = td->groupid; |
2dc84ba7 JA |
966 | |
967 | /* | |
968 | * first pid in group, not very useful... | |
969 | */ | |
756867bd | 970 | ts->pid = td->pid; |
90fef2d1 JA |
971 | |
972 | ts->kb_base = td->o.kb_base; | |
973 | } else if (ts->kb_base != td->o.kb_base && !kb_base_warned) { | |
974 | log_info("fio: kb_base differs for jobs in group, using" | |
975 | " %u as the base\n", ts->kb_base); | |
976 | kb_base_warned = 1; | |
2dc84ba7 JA |
977 | } |
978 | ||
f2bba182 RR |
979 | ts->continue_on_error = td->o.continue_on_error; |
980 | ts->total_err_count += td->total_err_count; | |
981 | ts->first_error = td->first_error; | |
982 | if (!ts->error) { | |
983 | if (!td->error && td->o.continue_on_error && | |
984 | td->first_error) { | |
985 | ts->error = td->first_error; | |
f6bb5b88 | 986 | strcpy(ts->verror, td->verror); |
f2bba182 RR |
987 | } else if (td->error) { |
988 | ts->error = td->error; | |
f6bb5b88 | 989 | strcpy(ts->verror, td->verror); |
f2bba182 | 990 | } |
756867bd JA |
991 | } |
992 | ||
5b9babb7 | 993 | sum_thread_stats(ts, &td->ts, idx); |
756867bd JA |
994 | } |
995 | ||
996 | for (i = 0; i < nr_ts; i++) { | |
94370ac4 | 997 | unsigned long long bw; |
3c39a379 | 998 | |
756867bd JA |
999 | ts = &threadstats[i]; |
1000 | rs = &runstats[ts->groupid]; | |
90fef2d1 | 1001 | rs->kb_base = ts->kb_base; |
3c39a379 | 1002 | |
de64df05 | 1003 | for (j = 0; j <= DDIR_WRITE; j++) { |
94370ac4 JA |
1004 | if (!ts->runtime[j]) |
1005 | continue; | |
1006 | if (ts->runtime[j] < rs->min_run[j] || !rs->min_run[j]) | |
1007 | rs->min_run[j] = ts->runtime[j]; | |
1008 | if (ts->runtime[j] > rs->max_run[j]) | |
1009 | rs->max_run[j] = ts->runtime[j]; | |
1010 | ||
1011 | bw = 0; | |
8879fd15 | 1012 | if (ts->runtime[j]) { |
c857cfeb JA |
1013 | unsigned long runt = ts->runtime[j]; |
1014 | unsigned long long kb; | |
8879fd15 | 1015 | |
c857cfeb JA |
1016 | kb = ts->io_bytes[j] / rs->kb_base; |
1017 | bw = kb * 1000 / runt; | |
8879fd15 | 1018 | } |
94370ac4 JA |
1019 | if (bw < rs->min_bw[j]) |
1020 | rs->min_bw[j] = bw; | |
1021 | if (bw > rs->max_bw[j]) | |
1022 | rs->max_bw[j] = bw; | |
1023 | ||
90fef2d1 | 1024 | rs->io_kb[j] += ts->io_bytes[j] / rs->kb_base; |
94370ac4 | 1025 | } |
3c39a379 JA |
1026 | } |
1027 | ||
1028 | for (i = 0; i < groupid + 1; i++) { | |
1029 | rs = &runstats[i]; | |
1030 | ||
1031 | if (rs->max_run[0]) | |
c857cfeb | 1032 | rs->agg[0] = (rs->io_kb[0] * 1000) / rs->max_run[0]; |
3c39a379 | 1033 | if (rs->max_run[1]) |
c857cfeb | 1034 | rs->agg[1] = (rs->io_kb[1] * 1000) / rs->max_run[1]; |
3c39a379 JA |
1035 | } |
1036 | ||
1037 | /* | |
1038 | * don't overwrite last signal output | |
1039 | */ | |
c6ae0a5b | 1040 | if (!terse_output) |
4ceb30d4 | 1041 | log_info("\n"); |
3c39a379 | 1042 | |
756867bd JA |
1043 | for (i = 0; i < nr_ts; i++) { |
1044 | ts = &threadstats[i]; | |
1045 | rs = &runstats[ts->groupid]; | |
3c39a379 | 1046 | |
a64e88da JA |
1047 | if (is_backend) |
1048 | fio_server_send_ts(ts, rs); | |
1049 | else if (terse_output) | |
756867bd | 1050 | show_thread_status_terse(ts, rs); |
c6ae0a5b | 1051 | else |
756867bd | 1052 | show_thread_status(ts, rs); |
3c39a379 JA |
1053 | } |
1054 | ||
72c27ff8 JA |
1055 | for (i = 0; i < groupid + 1; i++) { |
1056 | rs = &runstats[i]; | |
3c39a379 | 1057 | |
72c27ff8 | 1058 | rs->groupid = i; |
d09a64a0 | 1059 | if (is_backend) |
72c27ff8 JA |
1060 | fio_server_send_gs(rs); |
1061 | else if (!terse_output) | |
1062 | show_group_stats(rs); | |
c6ae0a5b | 1063 | } |
eecf272f | 1064 | |
72c27ff8 JA |
1065 | if (is_backend) |
1066 | fio_server_send_du(); | |
1067 | else if (!terse_output) | |
1068 | show_disk_util(0); | |
1069 | ||
eecf272f | 1070 | free(runstats); |
756867bd | 1071 | free(threadstats); |
3c39a379 JA |
1072 | } |
1073 | ||
b852e7cf JA |
1074 | static void *__show_running_run_stats(void *arg) |
1075 | { | |
1076 | struct thread_data *td; | |
1077 | unsigned long long *rt; | |
1078 | struct timeval tv; | |
1079 | int i; | |
1080 | ||
1081 | rt = malloc(thread_number * sizeof(unsigned long long)); | |
1082 | fio_gettime(&tv, NULL); | |
1083 | ||
1084 | for_each_td(td, i) { | |
1085 | rt[i] = mtime_since(&td->start, &tv); | |
1086 | if (td_read(td) && td->io_bytes[DDIR_READ]) | |
1087 | td->ts.runtime[DDIR_READ] += rt[i]; | |
1088 | if (td_write(td) && td->io_bytes[DDIR_WRITE]) | |
1089 | td->ts.runtime[DDIR_WRITE] += rt[i]; | |
1090 | ||
1091 | update_rusage_stat(td); | |
1092 | td->ts.io_bytes[0] = td->io_bytes[0]; | |
1093 | td->ts.io_bytes[1] = td->io_bytes[1]; | |
1094 | td->ts.total_run_time = mtime_since(&td->epoch, &tv); | |
1095 | } | |
1096 | ||
1097 | show_run_stats(); | |
1098 | ||
1099 | for_each_td(td, i) { | |
1100 | if (td_read(td) && td->io_bytes[DDIR_READ]) | |
1101 | td->ts.runtime[DDIR_READ] -= rt[i]; | |
1102 | if (td_write(td) && td->io_bytes[DDIR_WRITE]) | |
1103 | td->ts.runtime[DDIR_WRITE] -= rt[i]; | |
1104 | } | |
1105 | ||
1106 | free(rt); | |
1107 | return NULL; | |
1108 | } | |
1109 | ||
1110 | /* | |
1111 | * Called from signal handler. It _should_ be safe to just run this inline | |
1112 | * in the sig handler, but we should be disturbing the system less by just | |
1113 | * creating a thread to do it. | |
1114 | */ | |
1115 | void show_running_run_stats(void) | |
1116 | { | |
1117 | pthread_t thread; | |
1118 | ||
1119 | pthread_create(&thread, NULL, __show_running_run_stats, NULL); | |
1120 | pthread_detach(thread); | |
1121 | } | |
1122 | ||
68704084 | 1123 | static inline void add_stat_sample(struct io_stat *is, unsigned long data) |
3c39a379 | 1124 | { |
68704084 | 1125 | double val = data; |
6660cc67 | 1126 | double delta; |
68704084 JA |
1127 | |
1128 | if (data > is->max_val) | |
1129 | is->max_val = data; | |
1130 | if (data < is->min_val) | |
1131 | is->min_val = data; | |
1132 | ||
802ad4a8 | 1133 | delta = val - is->mean.u.f; |
ef11d737 | 1134 | if (delta) { |
802ad4a8 JA |
1135 | is->mean.u.f += delta / (is->samples + 1.0); |
1136 | is->S.u.f += delta * (val - is->mean.u.f); | |
ef11d737 | 1137 | } |
3c39a379 | 1138 | |
3c39a379 JA |
1139 | is->samples++; |
1140 | } | |
1141 | ||
bb3884d8 | 1142 | static void __add_log_sample(struct io_log *iolog, unsigned long val, |
306ddc97 | 1143 | enum fio_ddir ddir, unsigned int bs, |
2b13e716 | 1144 | unsigned long t) |
3c39a379 | 1145 | { |
306ddc97 JA |
1146 | const int nr_samples = iolog->nr_samples; |
1147 | ||
b8bc8cba JA |
1148 | if (!iolog->nr_samples) |
1149 | iolog->avg_last = t; | |
1150 | ||
3c39a379 JA |
1151 | if (iolog->nr_samples == iolog->max_samples) { |
1152 | int new_size = sizeof(struct io_sample) * iolog->max_samples*2; | |
1153 | ||
1154 | iolog->log = realloc(iolog->log, new_size); | |
1155 | iolog->max_samples <<= 1; | |
1156 | } | |
1157 | ||
306ddc97 | 1158 | iolog->log[nr_samples].val = val; |
2b13e716 | 1159 | iolog->log[nr_samples].time = t; |
306ddc97 JA |
1160 | iolog->log[nr_samples].ddir = ddir; |
1161 | iolog->log[nr_samples].bs = bs; | |
3c39a379 JA |
1162 | iolog->nr_samples++; |
1163 | } | |
1164 | ||
7fb28d36 JA |
1165 | static inline void reset_io_stat(struct io_stat *ios) |
1166 | { | |
1167 | ios->max_val = ios->min_val = ios->samples = 0; | |
1168 | ios->mean.u.f = ios->S.u.f = 0; | |
1169 | } | |
1170 | ||
bb3884d8 | 1171 | static void add_log_sample(struct thread_data *td, struct io_log *iolog, |
306ddc97 JA |
1172 | unsigned long val, enum fio_ddir ddir, |
1173 | unsigned int bs) | |
bb3884d8 | 1174 | { |
7fb28d36 | 1175 | unsigned long elapsed, this_window; |
b8bc8cba | 1176 | |
ff58fced JA |
1177 | if (!ddir_rw(ddir)) |
1178 | return; | |
1179 | ||
b8bc8cba JA |
1180 | elapsed = mtime_since_now(&td->epoch); |
1181 | ||
1182 | /* | |
1183 | * If no time averaging, just add the log sample. | |
1184 | */ | |
1185 | if (!iolog->avg_msec) { | |
1186 | __add_log_sample(iolog, val, ddir, bs, elapsed); | |
1187 | return; | |
1188 | } | |
1189 | ||
1190 | /* | |
1191 | * Add the sample. If the time period has passed, then | |
1192 | * add that entry to the log and clear. | |
1193 | */ | |
1194 | add_stat_sample(&iolog->avg_window[ddir], val); | |
1195 | ||
7fb28d36 JA |
1196 | /* |
1197 | * If period hasn't passed, adding the above sample is all we | |
1198 | * need to do. | |
1199 | */ | |
b8bc8cba JA |
1200 | this_window = elapsed - iolog->avg_last; |
1201 | if (this_window < iolog->avg_msec) | |
1202 | return; | |
1203 | ||
7fb28d36 JA |
1204 | /* |
1205 | * Note an entry in the log. Use the mean from the logged samples, | |
1206 | * making sure to properly round up. Only write a log entry if we | |
1207 | * had actual samples done. | |
1208 | */ | |
1209 | if (iolog->avg_window[DDIR_READ].samples) { | |
1210 | unsigned long mr; | |
b8bc8cba | 1211 | |
7fb28d36 | 1212 | mr = iolog->avg_window[DDIR_READ].mean.u.f + 0.50; |
b8bc8cba | 1213 | __add_log_sample(iolog, mr, DDIR_READ, 0, elapsed); |
7fb28d36 JA |
1214 | } |
1215 | if (iolog->avg_window[DDIR_WRITE].samples) { | |
1216 | unsigned long mw; | |
1217 | ||
1218 | mw = iolog->avg_window[DDIR_WRITE].mean.u.f + 0.50; | |
b8bc8cba | 1219 | __add_log_sample(iolog, mw, DDIR_WRITE, 0, elapsed); |
7fb28d36 | 1220 | } |
b8bc8cba | 1221 | |
7fb28d36 JA |
1222 | reset_io_stat(&iolog->avg_window[DDIR_READ]); |
1223 | reset_io_stat(&iolog->avg_window[DDIR_WRITE]); | |
b8bc8cba | 1224 | iolog->avg_last = elapsed; |
bb3884d8 JA |
1225 | } |
1226 | ||
306ddc97 | 1227 | void add_agg_sample(unsigned long val, enum fio_ddir ddir, unsigned int bs) |
bb3884d8 | 1228 | { |
ff58fced | 1229 | struct io_log *iolog; |
bb3884d8 | 1230 | |
ff58fced JA |
1231 | if (!ddir_rw(ddir)) |
1232 | return; | |
1233 | ||
1234 | iolog = agg_io_log[ddir]; | |
306ddc97 | 1235 | __add_log_sample(iolog, val, ddir, bs, mtime_since_genesis()); |
bb3884d8 JA |
1236 | } |
1237 | ||
83349190 YH |
1238 | static void add_clat_percentile_sample(struct thread_stat *ts, |
1239 | unsigned long usec, enum fio_ddir ddir) | |
1240 | { | |
1241 | unsigned int idx = plat_val_to_idx(usec); | |
1242 | assert(idx < FIO_IO_U_PLAT_NR); | |
1243 | ||
1244 | ts->io_u_plat[ddir][idx]++; | |
1245 | } | |
1246 | ||
1e97cce9 | 1247 | void add_clat_sample(struct thread_data *td, enum fio_ddir ddir, |
306ddc97 | 1248 | unsigned long usec, unsigned int bs) |
3c39a379 | 1249 | { |
756867bd | 1250 | struct thread_stat *ts = &td->ts; |
079ad09b | 1251 | |
ff58fced JA |
1252 | if (!ddir_rw(ddir)) |
1253 | return; | |
1254 | ||
d85f5118 | 1255 | add_stat_sample(&ts->clat_stat[ddir], usec); |
3c39a379 | 1256 | |
7b9f733a JA |
1257 | if (td->clat_log) |
1258 | add_log_sample(td, td->clat_log, usec, ddir, bs); | |
83349190 YH |
1259 | |
1260 | if (ts->clat_percentiles) | |
1261 | add_clat_percentile_sample(ts, usec, ddir); | |
3c39a379 JA |
1262 | } |
1263 | ||
1e97cce9 | 1264 | void add_slat_sample(struct thread_data *td, enum fio_ddir ddir, |
306ddc97 | 1265 | unsigned long usec, unsigned int bs) |
3c39a379 | 1266 | { |
756867bd | 1267 | struct thread_stat *ts = &td->ts; |
079ad09b | 1268 | |
ff58fced JA |
1269 | if (!ddir_rw(ddir)) |
1270 | return; | |
1271 | ||
d85f5118 | 1272 | add_stat_sample(&ts->slat_stat[ddir], usec); |
3c39a379 | 1273 | |
7b9f733a JA |
1274 | if (td->slat_log) |
1275 | add_log_sample(td, td->slat_log, usec, ddir, bs); | |
3c39a379 JA |
1276 | } |
1277 | ||
02af0988 JA |
1278 | void add_lat_sample(struct thread_data *td, enum fio_ddir ddir, |
1279 | unsigned long usec, unsigned int bs) | |
1280 | { | |
1281 | struct thread_stat *ts = &td->ts; | |
1282 | ||
ff58fced JA |
1283 | if (!ddir_rw(ddir)) |
1284 | return; | |
1285 | ||
02af0988 JA |
1286 | add_stat_sample(&ts->lat_stat[ddir], usec); |
1287 | ||
7b9f733a JA |
1288 | if (td->lat_log) |
1289 | add_log_sample(td, td->lat_log, usec, ddir, bs); | |
02af0988 JA |
1290 | } |
1291 | ||
306ddc97 | 1292 | void add_bw_sample(struct thread_data *td, enum fio_ddir ddir, unsigned int bs, |
1e97cce9 | 1293 | struct timeval *t) |
3c39a379 | 1294 | { |
756867bd | 1295 | struct thread_stat *ts = &td->ts; |
ff58fced JA |
1296 | unsigned long spent, rate; |
1297 | ||
1298 | if (!ddir_rw(ddir)) | |
1299 | return; | |
3c39a379 | 1300 | |
c8eeb9df | 1301 | spent = mtime_since(&td->bw_sample_time, t); |
2dc1bbeb | 1302 | if (spent < td->o.bw_avg_time) |
3c39a379 | 1303 | return; |
9602d8df JA |
1304 | |
1305 | /* | |
5daa4ebe JC |
1306 | * Compute both read and write rates for the interval. |
1307 | */ | |
1308 | for (ddir = DDIR_READ; ddir <= DDIR_WRITE; ddir++) { | |
1309 | uint64_t delta; | |
1310 | ||
1311 | delta = td->this_io_bytes[ddir] - td->stat_io_bytes[ddir]; | |
1312 | if (!delta) | |
1313 | continue; /* No entries for interval */ | |
3c39a379 | 1314 | |
5daa4ebe JC |
1315 | rate = delta * 1000 / spent / 1024; |
1316 | add_stat_sample(&ts->bw_stat[ddir], rate); | |
3c39a379 | 1317 | |
5daa4ebe JC |
1318 | if (td->bw_log) |
1319 | add_log_sample(td, td->bw_log, rate, ddir, bs); | |
1320 | ||
1321 | td->stat_io_bytes[ddir] = td->this_io_bytes[ddir]; | |
1322 | } | |
3c39a379 | 1323 | |
c8eeb9df | 1324 | fio_gettime(&td->bw_sample_time, NULL); |
3c39a379 | 1325 | } |
c8eeb9df JA |
1326 | |
1327 | void add_iops_sample(struct thread_data *td, enum fio_ddir ddir, | |
1328 | struct timeval *t) | |
1329 | { | |
1330 | struct thread_stat *ts = &td->ts; | |
1331 | unsigned long spent, iops; | |
1332 | ||
1333 | if (!ddir_rw(ddir)) | |
1334 | return; | |
1335 | ||
1336 | spent = mtime_since(&td->iops_sample_time, t); | |
1337 | if (spent < td->o.iops_avg_time) | |
1338 | return; | |
1339 | ||
9602d8df JA |
1340 | /* |
1341 | * Compute both read and write rates for the interval. | |
1342 | */ | |
1343 | for (ddir = DDIR_READ; ddir <= DDIR_WRITE; ddir++) { | |
1344 | uint64_t delta; | |
c8eeb9df | 1345 | |
9602d8df JA |
1346 | delta = td->this_io_blocks[ddir] - td->stat_io_blocks[ddir]; |
1347 | if (!delta) | |
1348 | continue; /* No entries for interval */ | |
1349 | ||
1350 | iops = (delta * 1000) / spent; | |
1351 | add_stat_sample(&ts->iops_stat[ddir], iops); | |
c8eeb9df | 1352 | |
9602d8df JA |
1353 | if (td->iops_log) |
1354 | add_log_sample(td, td->iops_log, iops, ddir, 0); | |
1355 | ||
421f4a82 | 1356 | td->stat_io_blocks[ddir] = td->this_io_blocks[ddir]; |
9602d8df | 1357 | } |
c8eeb9df JA |
1358 | |
1359 | fio_gettime(&td->iops_sample_time, NULL); | |
c8eeb9df | 1360 | } |