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" |
802ad4a8 | 12 | #include "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 | |
66 | * index for the buckets in the group | |
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) */ | |
71 | idx = (base + offset) < (FIO_IO_U_PLAT_NR - 1)? | |
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 */ | |
89 | if (idx < (FIO_IO_U_PLAT_VAL << 1) ) | |
90 | return idx; | |
91 | ||
92 | /* Find the group and compute the minimum value of that group */ | |
93 | error_bits = (idx >> FIO_IO_U_PLAT_BITS) -1; | |
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 | ||
117 | /* | |
118 | * Find and display the p-th percentile of clat | |
119 | */ | |
c59971e1 | 120 | static void show_clat_percentiles(unsigned int *io_u_plat, unsigned long nr, |
802ad4a8 | 121 | fio_fp64_t *plist) |
83349190 YH |
122 | { |
123 | unsigned long sum = 0; | |
4f6f8298 JA |
124 | unsigned int len, i, j = 0, minv = -1U, maxv = 0; |
125 | unsigned int *ovals = NULL, oval_len = 0; | |
07511a63 | 126 | int is_last, scale_down; |
83349190 | 127 | |
802ad4a8 JA |
128 | len = 0; |
129 | while (len < FIO_IO_U_LIST_MAX_LEN && plist[len].u.f != 0.0) | |
130 | len++; | |
716050f2 | 131 | |
351de8de JA |
132 | if (!len) |
133 | return; | |
134 | ||
716050f2 | 135 | /* |
802ad4a8 JA |
136 | * Sort the percentile list. Note that it may already be sorted if |
137 | * we are using the default values, but since it's a short list this | |
138 | * isn't a worry. Also note that this does not work for NaN values. | |
716050f2 | 139 | */ |
802ad4a8 JA |
140 | if (len > 1) |
141 | qsort((void*)plist, len, sizeof(plist[0]), double_cmp); | |
83349190 | 142 | |
4f6f8298 JA |
143 | /* |
144 | * Calculate bucket values, note down max and min values | |
145 | */ | |
07511a63 JA |
146 | is_last = 0; |
147 | for (i = 0; i < FIO_IO_U_PLAT_NR && !is_last; i++) { | |
83349190 | 148 | sum += io_u_plat[i]; |
802ad4a8 JA |
149 | while (sum >= (plist[j].u.f / 100.0 * nr)) { |
150 | assert(plist[j].u.f <= 100.0); | |
83349190 | 151 | |
4f6f8298 JA |
152 | if (j == oval_len) { |
153 | oval_len += 100; | |
154 | ovals = realloc(ovals, oval_len * sizeof(unsigned int)); | |
155 | } | |
156 | ||
157 | ovals[j] = plat_idx_to_val(i); | |
158 | if (ovals[j] < minv) | |
159 | minv = ovals[j]; | |
160 | if (ovals[j] > maxv) | |
161 | maxv = ovals[j]; | |
07511a63 JA |
162 | |
163 | is_last = (j == len - 1); | |
164 | if (is_last) | |
165 | break; | |
166 | ||
4f6f8298 JA |
167 | j++; |
168 | } | |
169 | } | |
83349190 | 170 | |
4f6f8298 JA |
171 | /* |
172 | * We default to usecs, but if the value range is such that we | |
173 | * should scale down to msecs, do that. | |
174 | */ | |
175 | if (minv > 2000 && maxv > 99999) { | |
176 | scale_down = 1; | |
177 | log_info(" clat percentiles (msec):\n |"); | |
178 | } else { | |
179 | scale_down = 0; | |
180 | log_info(" clat percentiles (usec):\n |"); | |
181 | } | |
83349190 | 182 | |
4f6f8298 JA |
183 | for (j = 0; j < len; j++) { |
184 | char fbuf[8]; | |
81ab0b3a | 185 | |
4f6f8298 JA |
186 | /* for formatting */ |
187 | if (j != 0 && (j % 4) == 0) | |
188 | log_info(" |"); | |
83349190 | 189 | |
4f6f8298 JA |
190 | /* end of the list */ |
191 | is_last = (j == len - 1); | |
83349190 | 192 | |
4f6f8298 JA |
193 | if (plist[j].u.f < 10.0) |
194 | sprintf(fbuf, " %2.2f", plist[j].u.f); | |
195 | else | |
196 | sprintf(fbuf, "%2.2f", plist[j].u.f); | |
197 | ||
198 | if (scale_down) | |
199 | ovals[j] = (ovals[j] + 999) / 1000; | |
200 | ||
201 | log_info(" %sth=[%5u]%c", fbuf, ovals[j], is_last ? '\n' : ','); | |
202 | ||
203 | if (is_last) | |
204 | break; | |
205 | ||
206 | if (j % 4 == 3) /* for formatting */ | |
207 | log_info("\n"); | |
83349190 | 208 | } |
4f6f8298 JA |
209 | |
210 | if (ovals) | |
211 | free(ovals); | |
83349190 YH |
212 | } |
213 | ||
3c39a379 JA |
214 | static int calc_lat(struct io_stat *is, unsigned long *min, unsigned long *max, |
215 | double *mean, double *dev) | |
216 | { | |
68704084 | 217 | double n = is->samples; |
3c39a379 JA |
218 | |
219 | if (is->samples == 0) | |
220 | return 0; | |
221 | ||
222 | *min = is->min_val; | |
223 | *max = is->max_val; | |
224 | ||
225 | n = (double) is->samples; | |
802ad4a8 | 226 | *mean = is->mean.u.f; |
e6d276f2 | 227 | |
68704084 | 228 | if (n > 1.0) |
802ad4a8 | 229 | *dev = sqrt(is->S.u.f / (n - 1.0)); |
ef9c5c40 | 230 | else |
4b43f54e | 231 | *dev = 0; |
ef9c5c40 | 232 | |
3c39a379 JA |
233 | return 1; |
234 | } | |
235 | ||
a64e88da | 236 | void show_group_stats(struct group_run_stats *rs) |
3c39a379 | 237 | { |
dbe1125e JA |
238 | char *p1, *p2, *p3, *p4; |
239 | const char *ddir_str[] = { " READ", " WRITE" }; | |
240 | int i; | |
241 | ||
25050629 | 242 | log_info("Run status group %d (all jobs):\n", rs->groupid); |
3c39a379 | 243 | |
dbe1125e | 244 | for (i = 0; i <= DDIR_WRITE; i++) { |
90fef2d1 JA |
245 | const int i2p = is_power_of_2(rs->kb_base); |
246 | ||
dbe1125e JA |
247 | if (!rs->max_run[i]) |
248 | continue; | |
249 | ||
90fef2d1 JA |
250 | p1 = num2str(rs->io_kb[i], 6, rs->kb_base, i2p); |
251 | p2 = num2str(rs->agg[i], 6, rs->kb_base, i2p); | |
252 | p3 = num2str(rs->min_bw[i], 6, rs->kb_base, i2p); | |
253 | p4 = num2str(rs->max_bw[i], 6, rs->kb_base, i2p); | |
dbe1125e | 254 | |
b22989b9 | 255 | log_info("%s: io=%sB, aggrb=%sB/s, minb=%sB/s, maxb=%sB/s," |
5ec10eaa JA |
256 | " mint=%llumsec, maxt=%llumsec\n", ddir_str[i], p1, p2, |
257 | p3, p4, rs->min_run[i], | |
258 | rs->max_run[i]); | |
dbe1125e JA |
259 | |
260 | free(p1); | |
261 | free(p2); | |
262 | free(p3); | |
263 | free(p4); | |
264 | } | |
3c39a379 JA |
265 | } |
266 | ||
b3605062 JA |
267 | #define ts_total_io_u(ts) \ |
268 | ((ts)->total_io_u[0] + (ts)->total_io_u[1]) | |
269 | ||
838bc709 JA |
270 | static void stat_calc_dist(unsigned int *map, unsigned long total, |
271 | double *io_u_dist) | |
2270890c JA |
272 | { |
273 | int i; | |
274 | ||
275 | /* | |
276 | * Do depth distribution calculations | |
277 | */ | |
278 | for (i = 0; i < FIO_IO_U_MAP_NR; i++) { | |
838bc709 JA |
279 | if (total) { |
280 | io_u_dist[i] = (double) map[i] / (double) total; | |
281 | io_u_dist[i] *= 100.0; | |
282 | if (io_u_dist[i] < 0.1 && map[i]) | |
283 | io_u_dist[i] = 0.1; | |
284 | } else | |
285 | io_u_dist[i] = 0.0; | |
2270890c JA |
286 | } |
287 | } | |
288 | ||
04a0feae JA |
289 | static void stat_calc_lat(struct thread_stat *ts, double *dst, |
290 | unsigned int *src, int nr) | |
2270890c | 291 | { |
838bc709 | 292 | unsigned long total = ts_total_io_u(ts); |
2270890c JA |
293 | int i; |
294 | ||
295 | /* | |
296 | * Do latency distribution calculations | |
297 | */ | |
04a0feae | 298 | for (i = 0; i < nr; i++) { |
838bc709 JA |
299 | if (total) { |
300 | dst[i] = (double) src[i] / (double) total; | |
301 | dst[i] *= 100.0; | |
302 | if (dst[i] < 0.01 && src[i]) | |
303 | dst[i] = 0.01; | |
304 | } else | |
305 | dst[i] = 0.0; | |
2270890c JA |
306 | } |
307 | } | |
308 | ||
04a0feae JA |
309 | static void stat_calc_lat_u(struct thread_stat *ts, double *io_u_lat) |
310 | { | |
311 | stat_calc_lat(ts, io_u_lat, ts->io_u_lat_u, FIO_IO_U_LAT_U_NR); | |
312 | } | |
313 | ||
314 | static void stat_calc_lat_m(struct thread_stat *ts, double *io_u_lat) | |
315 | { | |
316 | stat_calc_lat(ts, io_u_lat, ts->io_u_lat_m, FIO_IO_U_LAT_M_NR); | |
317 | } | |
318 | ||
ea2accc5 JA |
319 | static int usec_to_msec(unsigned long *min, unsigned long *max, double *mean, |
320 | double *dev) | |
321 | { | |
322 | if (*min > 1000 && *max > 1000 && *mean > 1000.0 && *dev > 1000.0) { | |
323 | *min /= 1000; | |
324 | *max /= 1000; | |
325 | *mean /= 1000.0; | |
326 | *dev /= 1000.0; | |
327 | return 0; | |
328 | } | |
329 | ||
330 | return 1; | |
331 | } | |
332 | ||
756867bd | 333 | static void show_ddir_status(struct group_run_stats *rs, struct thread_stat *ts, |
3c39a379 JA |
334 | int ddir) |
335 | { | |
3c9b60c1 | 336 | const char *ddir_str[] = { "read ", "write" }; |
8879fd15 | 337 | unsigned long min, max, runt; |
b3605062 | 338 | unsigned long long bw, iops; |
3c39a379 | 339 | double mean, dev; |
b3605062 | 340 | char *io_p, *bw_p, *iops_p; |
90fef2d1 | 341 | int i2p; |
3c39a379 | 342 | |
ff58fced JA |
343 | assert(ddir_rw(ddir)); |
344 | ||
756867bd | 345 | if (!ts->runtime[ddir]) |
3c39a379 JA |
346 | return; |
347 | ||
90fef2d1 | 348 | i2p = is_power_of_2(rs->kb_base); |
8879fd15 JA |
349 | runt = ts->runtime[ddir]; |
350 | ||
351 | bw = (1000 * ts->io_bytes[ddir]) / runt; | |
90fef2d1 JA |
352 | io_p = num2str(ts->io_bytes[ddir], 6, 1, i2p); |
353 | bw_p = num2str(bw, 6, 1, i2p); | |
8879fd15 | 354 | |
0aacc50c | 355 | iops = (1000 * (uint64_t)ts->total_io_u[ddir]) / runt; |
b3605062 | 356 | iops_p = num2str(iops, 6, 1, 0); |
dbe1125e | 357 | |
cda99fa0 | 358 | log_info(" %s: io=%sB, bw=%sB/s, iops=%s, runt=%6llumsec\n", |
5ec10eaa JA |
359 | ddir_str[ddir], io_p, bw_p, iops_p, |
360 | ts->runtime[ddir]); | |
dbe1125e JA |
361 | |
362 | free(io_p); | |
363 | free(bw_p); | |
b3605062 | 364 | free(iops_p); |
3c39a379 | 365 | |
d85f5118 JA |
366 | if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev)) { |
367 | const char *base = "(usec)"; | |
d9309cb1 | 368 | char *minp, *maxp; |
d85f5118 | 369 | |
ea2accc5 | 370 | if (!usec_to_msec(&min, &max, &mean, &dev)) |
d85f5118 | 371 | base = "(msec)"; |
ea2accc5 | 372 | |
d9309cb1 JA |
373 | minp = num2str(min, 6, 1, 0); |
374 | maxp = num2str(max, 6, 1, 0); | |
375 | ||
5ec10eaa JA |
376 | log_info(" slat %s: min=%s, max=%s, avg=%5.02f," |
377 | " stdev=%5.02f\n", base, minp, maxp, mean, dev); | |
d9309cb1 JA |
378 | |
379 | free(minp); | |
380 | free(maxp); | |
d85f5118 JA |
381 | } |
382 | if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev)) { | |
383 | const char *base = "(usec)"; | |
d9309cb1 | 384 | char *minp, *maxp; |
d85f5118 | 385 | |
ea2accc5 JA |
386 | if (!usec_to_msec(&min, &max, &mean, &dev)) |
387 | base = "(msec)"; | |
388 | ||
d9309cb1 JA |
389 | minp = num2str(min, 6, 1, 0); |
390 | maxp = num2str(max, 6, 1, 0); | |
5ec10eaa JA |
391 | |
392 | log_info(" clat %s: min=%s, max=%s, avg=%5.02f," | |
393 | " stdev=%5.02f\n", base, minp, maxp, mean, dev); | |
d9309cb1 JA |
394 | |
395 | free(minp); | |
396 | free(maxp); | |
d85f5118 | 397 | } |
02af0988 JA |
398 | if (calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev)) { |
399 | const char *base = "(usec)"; | |
400 | char *minp, *maxp; | |
401 | ||
402 | if (!usec_to_msec(&min, &max, &mean, &dev)) | |
403 | base = "(msec)"; | |
404 | ||
405 | minp = num2str(min, 6, 1, 0); | |
406 | maxp = num2str(max, 6, 1, 0); | |
407 | ||
408 | log_info(" lat %s: min=%s, max=%s, avg=%5.02f," | |
409 | " stdev=%5.02f\n", base, minp, maxp, mean, dev); | |
410 | ||
411 | free(minp); | |
412 | free(maxp); | |
413 | } | |
83349190 YH |
414 | if (ts->clat_percentiles) { |
415 | show_clat_percentiles(ts->io_u_plat[ddir], | |
416 | ts->clat_stat[ddir].samples, | |
417 | ts->percentile_list); | |
418 | } | |
079ad09b | 419 | if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) { |
3c39a379 JA |
420 | double p_of_agg; |
421 | ||
422 | p_of_agg = mean * 100 / (double) rs->agg[ddir]; | |
c8eeb9df | 423 | log_info(" bw (KB/s) : min=%5lu, max=%5lu, per=%3.2f%%," |
5ec10eaa JA |
424 | " avg=%5.02f, stdev=%5.02f\n", min, max, p_of_agg, |
425 | mean, dev); | |
3c39a379 JA |
426 | } |
427 | } | |
428 | ||
04a0feae JA |
429 | static void show_lat(double *io_u_lat, int nr, const char **ranges, |
430 | const char *msg) | |
431 | { | |
432 | int new_line = 1, i, line = 0; | |
433 | ||
434 | for (i = 0; i < nr; i++) { | |
435 | if (io_u_lat[i] <= 0.0) | |
436 | continue; | |
437 | if (new_line) { | |
4539ed73 JA |
438 | if (line) |
439 | log_info("\n"); | |
04a0feae JA |
440 | log_info(" lat (%s): ", msg); |
441 | new_line = 0; | |
442 | line = 0; | |
443 | } | |
444 | if (line) | |
445 | log_info(", "); | |
446 | log_info("%s%3.2f%%", ranges[i], io_u_lat[i]); | |
447 | line++; | |
448 | if (line == 5) | |
449 | new_line = 1; | |
450 | } | |
04a0feae JA |
451 | } |
452 | ||
453 | static void show_lat_u(double *io_u_lat_u) | |
454 | { | |
455 | const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=", | |
456 | "250=", "500=", "750=", "1000=", }; | |
457 | ||
458 | show_lat(io_u_lat_u, FIO_IO_U_LAT_U_NR, ranges, "usec"); | |
459 | } | |
460 | ||
461 | static void show_lat_m(double *io_u_lat_m) | |
462 | { | |
463 | const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=", | |
464 | "250=", "500=", "750=", "1000=", "2000=", | |
465 | ">=2000=", }; | |
466 | ||
467 | show_lat(io_u_lat_m, FIO_IO_U_LAT_M_NR, ranges, "msec"); | |
468 | } | |
469 | ||
470 | static void show_latencies(double *io_u_lat_u, double *io_u_lat_m) | |
471 | { | |
472 | show_lat_u(io_u_lat_u); | |
4539ed73 | 473 | log_info("\n"); |
04a0feae JA |
474 | show_lat_m(io_u_lat_m); |
475 | log_info("\n"); | |
476 | } | |
477 | ||
a64e88da | 478 | void show_thread_status(struct thread_stat *ts, struct group_run_stats *rs) |
3c39a379 JA |
479 | { |
480 | double usr_cpu, sys_cpu; | |
69008999 | 481 | unsigned long runtime; |
71619dc2 | 482 | double io_u_dist[FIO_IO_U_MAP_NR]; |
04a0feae JA |
483 | double io_u_lat_u[FIO_IO_U_LAT_U_NR]; |
484 | double io_u_lat_m[FIO_IO_U_LAT_M_NR]; | |
3c39a379 | 485 | |
b4c5e1ac JA |
486 | if (!(ts->io_bytes[0] + ts->io_bytes[1]) && |
487 | !(ts->total_io_u[0] + ts->total_io_u[1])) | |
3c39a379 JA |
488 | return; |
489 | ||
5ec10eaa JA |
490 | if (!ts->error) { |
491 | log_info("%s: (groupid=%d, jobs=%d): err=%2d: pid=%d\n", | |
492 | ts->name, ts->groupid, ts->members, | |
5921e80c | 493 | ts->error, (int) ts->pid); |
5ec10eaa JA |
494 | } else { |
495 | log_info("%s: (groupid=%d, jobs=%d): err=%2d (%s): pid=%d\n", | |
496 | ts->name, ts->groupid, ts->members, | |
5921e80c | 497 | ts->error, ts->verror, (int) ts->pid); |
5ec10eaa | 498 | } |
3c39a379 | 499 | |
7bdce1bd | 500 | if (ts->description) |
6d86144d | 501 | log_info(" Description : [%s]\n", ts->description); |
7bdce1bd | 502 | |
756867bd JA |
503 | if (ts->io_bytes[DDIR_READ]) |
504 | show_ddir_status(rs, ts, DDIR_READ); | |
505 | if (ts->io_bytes[DDIR_WRITE]) | |
506 | show_ddir_status(rs, ts, DDIR_WRITE); | |
3c39a379 | 507 | |
756867bd | 508 | runtime = ts->total_run_time; |
69008999 | 509 | if (runtime) { |
1e97cce9 | 510 | double runt = (double) runtime; |
3c39a379 | 511 | |
756867bd JA |
512 | usr_cpu = (double) ts->usr_time * 100 / runt; |
513 | sys_cpu = (double) ts->sys_time * 100 / runt; | |
3c39a379 JA |
514 | } else { |
515 | usr_cpu = 0; | |
516 | sys_cpu = 0; | |
517 | } | |
518 | ||
5ec10eaa JA |
519 | log_info(" cpu : usr=%3.2f%%, sys=%3.2f%%, ctx=%lu, majf=%lu," |
520 | " minf=%lu\n", usr_cpu, sys_cpu, ts->ctx, ts->majf, ts->minf); | |
71619dc2 | 521 | |
838bc709 | 522 | stat_calc_dist(ts->io_u_map, ts_total_io_u(ts), io_u_dist); |
5ec10eaa JA |
523 | log_info(" IO depths : 1=%3.1f%%, 2=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%," |
524 | " 16=%3.1f%%, 32=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0], | |
525 | io_u_dist[1], io_u_dist[2], | |
526 | io_u_dist[3], io_u_dist[4], | |
527 | io_u_dist[5], io_u_dist[6]); | |
838bc709 JA |
528 | |
529 | stat_calc_dist(ts->io_u_submit, ts->total_submit, io_u_dist); | |
530 | log_info(" submit : 0=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%, 16=%3.1f%%," | |
531 | " 32=%3.1f%%, 64=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0], | |
532 | io_u_dist[1], io_u_dist[2], | |
533 | io_u_dist[3], io_u_dist[4], | |
534 | io_u_dist[5], io_u_dist[6]); | |
535 | stat_calc_dist(ts->io_u_complete, ts->total_complete, io_u_dist); | |
536 | log_info(" complete : 0=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%, 16=%3.1f%%," | |
537 | " 32=%3.1f%%, 64=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0], | |
538 | io_u_dist[1], io_u_dist[2], | |
539 | io_u_dist[3], io_u_dist[4], | |
540 | io_u_dist[5], io_u_dist[6]); | |
0d29de83 | 541 | log_info(" issued r/w/d: total=%lu/%lu/%lu, short=%lu/%lu/%lu\n", |
5ec10eaa | 542 | ts->total_io_u[0], ts->total_io_u[1], |
0d29de83 JA |
543 | ts->total_io_u[2], |
544 | ts->short_io_u[0], ts->short_io_u[1], | |
545 | ts->short_io_u[2]); | |
838bc709 JA |
546 | stat_calc_lat_u(ts, io_u_lat_u); |
547 | stat_calc_lat_m(ts, io_u_lat_m); | |
04a0feae | 548 | show_latencies(io_u_lat_u, io_u_lat_m); |
f2bba182 | 549 | if (ts->continue_on_error) { |
1ec99eea JA |
550 | log_info(" errors : total=%lu, first_error=%d/<%s>\n", |
551 | ts->total_err_count, | |
552 | ts->first_error, | |
553 | strerror(ts->first_error)); | |
f2bba182 | 554 | } |
3c39a379 JA |
555 | } |
556 | ||
756867bd | 557 | static void show_ddir_status_terse(struct thread_stat *ts, |
c6ae0a5b JA |
558 | struct group_run_stats *rs, int ddir) |
559 | { | |
560 | unsigned long min, max; | |
312b4af2 | 561 | unsigned long long bw, iops; |
c6ae0a5b JA |
562 | double mean, dev; |
563 | ||
ff58fced JA |
564 | assert(ddir_rw(ddir)); |
565 | ||
312b4af2 JA |
566 | iops = bw = 0; |
567 | if (ts->runtime[ddir]) { | |
568 | uint64_t runt = ts->runtime[ddir]; | |
569 | ||
570 | bw = ts->io_bytes[ddir] / runt; | |
571 | iops = (1000 * (uint64_t) ts->total_io_u[ddir]) / runt; | |
572 | } | |
c6ae0a5b | 573 | |
312b4af2 | 574 | log_info(";%llu;%llu;%llu;%llu", ts->io_bytes[ddir] >> 10, bw, iops, |
5ec10eaa | 575 | ts->runtime[ddir]); |
c6ae0a5b | 576 | |
079ad09b | 577 | if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev)) |
6d86144d | 578 | log_info(";%lu;%lu;%f;%f", min, max, mean, dev); |
c6ae0a5b | 579 | else |
6d86144d | 580 | log_info(";%lu;%lu;%f;%f", 0UL, 0UL, 0.0, 0.0); |
c6ae0a5b | 581 | |
079ad09b | 582 | if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev)) |
6d86144d | 583 | log_info(";%lu;%lu;%f;%f", min, max, mean, dev); |
c6ae0a5b | 584 | else |
6d86144d | 585 | log_info(";%lu;%lu;%f;%f", 0UL, 0UL, 0.0, 0.0); |
c6ae0a5b | 586 | |
02af0988 JA |
587 | if (calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev)) |
588 | log_info(";%lu;%lu;%f;%f", min, max, mean, dev); | |
589 | else | |
590 | log_info(";%lu;%lu;%f;%f", 0UL, 0UL, 0.0, 0.0); | |
591 | ||
079ad09b | 592 | if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) { |
c6ae0a5b JA |
593 | double p_of_agg; |
594 | ||
595 | p_of_agg = mean * 100 / (double) rs->agg[ddir]; | |
6d86144d | 596 | log_info(";%lu;%lu;%f%%;%f;%f", min, max, p_of_agg, mean, dev); |
c6ae0a5b | 597 | } else |
6d86144d | 598 | log_info(";%lu;%lu;%f%%;%f;%f", 0UL, 0UL, 0.0, 0.0, 0.0); |
c6ae0a5b JA |
599 | } |
600 | ||
312b4af2 | 601 | #define FIO_TERSE_VERSION "3" |
c6ae0a5b | 602 | |
756867bd | 603 | static void show_thread_status_terse(struct thread_stat *ts, |
c6ae0a5b JA |
604 | struct group_run_stats *rs) |
605 | { | |
2270890c | 606 | double io_u_dist[FIO_IO_U_MAP_NR]; |
04a0feae JA |
607 | double io_u_lat_u[FIO_IO_U_LAT_U_NR]; |
608 | double io_u_lat_m[FIO_IO_U_LAT_M_NR]; | |
c6ae0a5b | 609 | double usr_cpu, sys_cpu; |
04a0feae | 610 | int i; |
c6ae0a5b | 611 | |
562c2d2f | 612 | /* General Info */ |
525c2bfa JA |
613 | log_info("%s;%s;%d;%d", FIO_TERSE_VERSION, ts->name, ts->groupid, |
614 | ts->error); | |
562c2d2f | 615 | /* Log Read Status */ |
756867bd | 616 | show_ddir_status_terse(ts, rs, 0); |
562c2d2f | 617 | /* Log Write Status */ |
756867bd | 618 | show_ddir_status_terse(ts, rs, 1); |
c6ae0a5b | 619 | |
562c2d2f | 620 | /* CPU Usage */ |
756867bd JA |
621 | if (ts->total_run_time) { |
622 | double runt = (double) ts->total_run_time; | |
c6ae0a5b | 623 | |
756867bd JA |
624 | usr_cpu = (double) ts->usr_time * 100 / runt; |
625 | sys_cpu = (double) ts->sys_time * 100 / runt; | |
c6ae0a5b JA |
626 | } else { |
627 | usr_cpu = 0; | |
628 | sys_cpu = 0; | |
629 | } | |
630 | ||
5ec10eaa JA |
631 | log_info(";%f%%;%f%%;%lu;%lu;%lu", usr_cpu, sys_cpu, ts->ctx, ts->majf, |
632 | ts->minf); | |
2270890c | 633 | |
562c2d2f | 634 | /* Calc % distribution of IO depths, usecond, msecond latency */ |
838bc709 | 635 | stat_calc_dist(ts->io_u_map, ts_total_io_u(ts), io_u_dist); |
04a0feae JA |
636 | stat_calc_lat_u(ts, io_u_lat_u); |
637 | stat_calc_lat_m(ts, io_u_lat_m); | |
2270890c | 638 | |
562c2d2f | 639 | /* Only show fixed 7 I/O depth levels*/ |
5ec10eaa JA |
640 | log_info(";%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%", |
641 | io_u_dist[0], io_u_dist[1], io_u_dist[2], io_u_dist[3], | |
642 | io_u_dist[4], io_u_dist[5], io_u_dist[6]); | |
2270890c | 643 | |
562c2d2f | 644 | /* Microsecond latency */ |
04a0feae JA |
645 | for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) |
646 | log_info(";%3.2f%%", io_u_lat_u[i]); | |
562c2d2f | 647 | /* Millisecond latency */ |
04a0feae JA |
648 | for (i = 0; i < FIO_IO_U_LAT_M_NR; i++) |
649 | log_info(";%3.2f%%", io_u_lat_m[i]); | |
562c2d2f | 650 | /* Additional output if continue_on_error set - default off*/ |
f2bba182 RR |
651 | if (ts->continue_on_error) |
652 | log_info(";%lu;%d", ts->total_err_count, ts->first_error); | |
04a0feae | 653 | log_info("\n"); |
2270890c | 654 | |
562c2d2f | 655 | /* Additional output if description is set */ |
2270890c | 656 | if (ts->description) |
6d86144d | 657 | log_info(";%s", ts->description); |
2270890c | 658 | |
6d86144d | 659 | log_info("\n"); |
756867bd JA |
660 | } |
661 | ||
197574e4 | 662 | static void sum_stat(struct io_stat *dst, struct io_stat *src, int nr) |
756867bd JA |
663 | { |
664 | double mean, S; | |
665 | ||
e09231c2 ZL |
666 | if (src->samples == 0) |
667 | return; | |
668 | ||
756867bd JA |
669 | dst->min_val = min(dst->min_val, src->min_val); |
670 | dst->max_val = max(dst->max_val, src->max_val); | |
756867bd JA |
671 | |
672 | /* | |
cdcac5cf YH |
673 | * Compute new mean and S after the merge |
674 | * <http://en.wikipedia.org/wiki/Algorithms_for_calculating_variance | |
675 | * #Parallel_algorithm> | |
756867bd JA |
676 | */ |
677 | if (nr == 1) { | |
802ad4a8 JA |
678 | mean = src->mean.u.f; |
679 | S = src->S.u.f; | |
756867bd | 680 | } else { |
802ad4a8 | 681 | double delta = src->mean.u.f - dst->mean.u.f; |
cdcac5cf | 682 | |
802ad4a8 JA |
683 | mean = ((src->mean.u.f * src->samples) + |
684 | (dst->mean.u.f * dst->samples)) / | |
cdcac5cf YH |
685 | (dst->samples + src->samples); |
686 | ||
802ad4a8 | 687 | S = src->S.u.f + dst->S.u.f + pow(delta, 2.0) * |
cdcac5cf YH |
688 | (dst->samples * src->samples) / |
689 | (dst->samples + src->samples); | |
756867bd JA |
690 | } |
691 | ||
cdcac5cf | 692 | dst->samples += src->samples; |
802ad4a8 JA |
693 | dst->mean.u.f = mean; |
694 | dst->S.u.f = S; | |
756867bd JA |
695 | } |
696 | ||
37f0c1ae JA |
697 | void sum_group_stats(struct group_run_stats *dst, struct group_run_stats *src) |
698 | { | |
699 | int i; | |
700 | ||
701 | for (i = 0; i < 2; i++) { | |
702 | if (dst->max_run[i] < src->max_run[i]) | |
703 | dst->max_run[i] = src->max_run[i]; | |
704 | if (dst->min_run[i] && dst->min_run[i] > src->min_run[i]) | |
705 | dst->min_run[i] = src->min_run[i]; | |
706 | if (dst->max_bw[i] < src->max_bw[i]) | |
707 | dst->max_bw[i] = src->max_bw[i]; | |
708 | if (dst->min_bw[i] && dst->min_bw[i] > src->min_bw[i]) | |
709 | dst->min_bw[i] = src->min_bw[i]; | |
710 | ||
711 | dst->io_kb[i] += src->io_kb[i]; | |
712 | dst->agg[i] += src->agg[i]; | |
713 | } | |
714 | ||
715 | } | |
716 | ||
5b9babb7 JA |
717 | void sum_thread_stats(struct thread_stat *dst, struct thread_stat *src, int nr) |
718 | { | |
719 | int l, k; | |
720 | ||
721 | for (l = 0; l <= DDIR_WRITE; l++) { | |
722 | sum_stat(&dst->clat_stat[l], &src->clat_stat[l], nr); | |
723 | sum_stat(&dst->slat_stat[l], &src->slat_stat[l], nr); | |
724 | sum_stat(&dst->lat_stat[l], &src->lat_stat[l], nr); | |
725 | sum_stat(&dst->bw_stat[l], &src->bw_stat[l], nr); | |
726 | ||
727 | dst->io_bytes[l] += src->io_bytes[l]; | |
728 | ||
729 | if (dst->runtime[l] < src->runtime[l]) | |
730 | dst->runtime[l] = src->runtime[l]; | |
731 | } | |
732 | ||
733 | dst->usr_time += src->usr_time; | |
734 | dst->sys_time += src->sys_time; | |
735 | dst->ctx += src->ctx; | |
736 | dst->majf += src->majf; | |
737 | dst->minf += src->minf; | |
738 | ||
739 | for (k = 0; k < FIO_IO_U_MAP_NR; k++) | |
740 | dst->io_u_map[k] += src->io_u_map[k]; | |
741 | for (k = 0; k < FIO_IO_U_MAP_NR; k++) | |
742 | dst->io_u_submit[k] += src->io_u_submit[k]; | |
743 | for (k = 0; k < FIO_IO_U_MAP_NR; k++) | |
744 | dst->io_u_complete[k] += src->io_u_complete[k]; | |
745 | for (k = 0; k < FIO_IO_U_LAT_U_NR; k++) | |
746 | dst->io_u_lat_u[k] += src->io_u_lat_u[k]; | |
747 | for (k = 0; k < FIO_IO_U_LAT_M_NR; k++) | |
748 | dst->io_u_lat_m[k] += src->io_u_lat_m[k]; | |
749 | ||
750 | for (k = 0; k <= 2; k++) { | |
751 | dst->total_io_u[k] += src->total_io_u[k]; | |
752 | dst->short_io_u[k] += src->short_io_u[k]; | |
753 | } | |
754 | ||
755 | for (k = 0; k <= DDIR_WRITE; k++) { | |
756 | int m; | |
757 | for (m = 0; m < FIO_IO_U_PLAT_NR; m++) | |
758 | dst->io_u_plat[k][m] += src->io_u_plat[k][m]; | |
759 | } | |
760 | ||
761 | dst->total_run_time += src->total_run_time; | |
762 | dst->total_submit += src->total_submit; | |
763 | dst->total_complete += src->total_complete; | |
764 | } | |
765 | ||
37f0c1ae JA |
766 | void init_group_run_stat(struct group_run_stats *gs) |
767 | { | |
768 | memset(gs, 0, sizeof(*gs)); | |
769 | gs->min_bw[0] = gs->min_run[0] = ~0UL; | |
770 | gs->min_bw[1] = gs->min_run[1] = ~0UL; | |
771 | } | |
772 | ||
773 | void init_thread_stat(struct thread_stat *ts) | |
774 | { | |
775 | int j; | |
776 | ||
777 | memset(ts, 0, sizeof(*ts)); | |
778 | ||
779 | for (j = 0; j <= DDIR_WRITE; j++) { | |
780 | ts->lat_stat[j].min_val = -1UL; | |
781 | ts->clat_stat[j].min_val = -1UL; | |
782 | ts->slat_stat[j].min_val = -1UL; | |
783 | ts->bw_stat[j].min_val = -1UL; | |
784 | } | |
785 | ts->groupid = -1; | |
786 | } | |
787 | ||
3c39a379 JA |
788 | void show_run_stats(void) |
789 | { | |
790 | struct group_run_stats *runstats, *rs; | |
791 | struct thread_data *td; | |
756867bd | 792 | struct thread_stat *threadstats, *ts; |
5b9babb7 | 793 | int i, j, nr_ts, last_ts, idx; |
90fef2d1 | 794 | int kb_base_warned = 0; |
3c39a379 JA |
795 | |
796 | runstats = malloc(sizeof(struct group_run_stats) * (groupid + 1)); | |
797 | ||
37f0c1ae JA |
798 | for (i = 0; i < groupid + 1; i++) |
799 | init_group_run_stat(&runstats[i]); | |
3c39a379 | 800 | |
756867bd JA |
801 | /* |
802 | * find out how many threads stats we need. if group reporting isn't | |
803 | * enabled, it's one-per-td. | |
804 | */ | |
805 | nr_ts = 0; | |
806 | last_ts = -1; | |
807 | for_each_td(td, i) { | |
2dc1bbeb | 808 | if (!td->o.group_reporting) { |
756867bd JA |
809 | nr_ts++; |
810 | continue; | |
811 | } | |
812 | if (last_ts == td->groupid) | |
813 | continue; | |
814 | ||
815 | last_ts = td->groupid; | |
816 | nr_ts++; | |
817 | } | |
818 | ||
819 | threadstats = malloc(nr_ts * sizeof(struct thread_stat)); | |
820 | ||
37f0c1ae JA |
821 | for (i = 0; i < nr_ts; i++) |
822 | init_thread_stat(&threadstats[i]); | |
756867bd JA |
823 | |
824 | j = 0; | |
825 | last_ts = -1; | |
197574e4 | 826 | idx = 0; |
34572e28 | 827 | for_each_td(td, i) { |
2dc1bbeb JA |
828 | if (idx && (!td->o.group_reporting || |
829 | (td->o.group_reporting && last_ts != td->groupid))) { | |
7abd0e3a JA |
830 | idx = 0; |
831 | j++; | |
832 | } | |
833 | ||
834 | last_ts = td->groupid; | |
835 | ||
756867bd JA |
836 | ts = &threadstats[j]; |
837 | ||
83349190 YH |
838 | ts->clat_percentiles = td->o.clat_percentiles; |
839 | if (td->o.overwrite_plist) | |
802ad4a8 | 840 | memcpy(ts->percentile_list, td->o.percentile_list, sizeof(td->o.percentile_list)); |
83349190 | 841 | else |
802ad4a8 | 842 | memcpy(ts->percentile_list, def_percentile_list, sizeof(def_percentile_list)); |
83349190 | 843 | |
197574e4 | 844 | idx++; |
6586ee89 | 845 | ts->members++; |
756867bd | 846 | |
7abd0e3a | 847 | if (ts->groupid == -1) { |
2dc84ba7 JA |
848 | /* |
849 | * These are per-group shared already | |
850 | */ | |
f6bb5b88 | 851 | strncpy(ts->name, td->o.name, FIO_JOBNAME_SIZE); |
a64e88da JA |
852 | if (td->o.description) |
853 | strncpy(ts->description, td->o.description, | |
854 | FIO_JOBNAME_SIZE); | |
855 | else | |
856 | memset(ts->description, 0, FIO_JOBNAME_SIZE); | |
857 | ||
756867bd | 858 | ts->groupid = td->groupid; |
2dc84ba7 JA |
859 | |
860 | /* | |
861 | * first pid in group, not very useful... | |
862 | */ | |
756867bd | 863 | ts->pid = td->pid; |
90fef2d1 JA |
864 | |
865 | ts->kb_base = td->o.kb_base; | |
866 | } else if (ts->kb_base != td->o.kb_base && !kb_base_warned) { | |
867 | log_info("fio: kb_base differs for jobs in group, using" | |
868 | " %u as the base\n", ts->kb_base); | |
869 | kb_base_warned = 1; | |
2dc84ba7 JA |
870 | } |
871 | ||
f2bba182 RR |
872 | ts->continue_on_error = td->o.continue_on_error; |
873 | ts->total_err_count += td->total_err_count; | |
874 | ts->first_error = td->first_error; | |
875 | if (!ts->error) { | |
876 | if (!td->error && td->o.continue_on_error && | |
877 | td->first_error) { | |
878 | ts->error = td->first_error; | |
f6bb5b88 | 879 | strcpy(ts->verror, td->verror); |
f2bba182 RR |
880 | } else if (td->error) { |
881 | ts->error = td->error; | |
f6bb5b88 | 882 | strcpy(ts->verror, td->verror); |
f2bba182 | 883 | } |
756867bd JA |
884 | } |
885 | ||
5b9babb7 | 886 | sum_thread_stats(ts, &td->ts, idx); |
756867bd JA |
887 | } |
888 | ||
889 | for (i = 0; i < nr_ts; i++) { | |
94370ac4 | 890 | unsigned long long bw; |
3c39a379 | 891 | |
756867bd JA |
892 | ts = &threadstats[i]; |
893 | rs = &runstats[ts->groupid]; | |
90fef2d1 | 894 | rs->kb_base = ts->kb_base; |
3c39a379 | 895 | |
de64df05 | 896 | for (j = 0; j <= DDIR_WRITE; j++) { |
94370ac4 JA |
897 | if (!ts->runtime[j]) |
898 | continue; | |
899 | if (ts->runtime[j] < rs->min_run[j] || !rs->min_run[j]) | |
900 | rs->min_run[j] = ts->runtime[j]; | |
901 | if (ts->runtime[j] > rs->max_run[j]) | |
902 | rs->max_run[j] = ts->runtime[j]; | |
903 | ||
904 | bw = 0; | |
8879fd15 JA |
905 | if (ts->runtime[j]) { |
906 | unsigned long runt; | |
907 | ||
90fef2d1 | 908 | runt = ts->runtime[j]; |
8879fd15 JA |
909 | bw = ts->io_bytes[j] / runt; |
910 | } | |
94370ac4 JA |
911 | if (bw < rs->min_bw[j]) |
912 | rs->min_bw[j] = bw; | |
913 | if (bw > rs->max_bw[j]) | |
914 | rs->max_bw[j] = bw; | |
915 | ||
90fef2d1 | 916 | rs->io_kb[j] += ts->io_bytes[j] / rs->kb_base; |
94370ac4 | 917 | } |
3c39a379 JA |
918 | } |
919 | ||
920 | for (i = 0; i < groupid + 1; i++) { | |
8879fd15 JA |
921 | unsigned long max_run[2]; |
922 | ||
3c39a379 | 923 | rs = &runstats[i]; |
90fef2d1 JA |
924 | max_run[0] = rs->max_run[0]; |
925 | max_run[1] = rs->max_run[1]; | |
3c39a379 JA |
926 | |
927 | if (rs->max_run[0]) | |
4cf1abc3 | 928 | rs->agg[0] = (rs->io_kb[0] * 1000) / max_run[0]; |
3c39a379 | 929 | if (rs->max_run[1]) |
4cf1abc3 | 930 | rs->agg[1] = (rs->io_kb[1] * 1000) / max_run[1]; |
3c39a379 JA |
931 | } |
932 | ||
933 | /* | |
934 | * don't overwrite last signal output | |
935 | */ | |
c6ae0a5b | 936 | if (!terse_output) |
4ceb30d4 | 937 | log_info("\n"); |
3c39a379 | 938 | |
756867bd JA |
939 | for (i = 0; i < nr_ts; i++) { |
940 | ts = &threadstats[i]; | |
941 | rs = &runstats[ts->groupid]; | |
3c39a379 | 942 | |
a64e88da JA |
943 | if (is_backend) |
944 | fio_server_send_ts(ts, rs); | |
945 | else if (terse_output) | |
756867bd | 946 | show_thread_status_terse(ts, rs); |
c6ae0a5b | 947 | else |
756867bd | 948 | show_thread_status(ts, rs); |
3c39a379 JA |
949 | } |
950 | ||
c6ae0a5b | 951 | if (!terse_output) { |
a64e88da JA |
952 | for (i = 0; i < groupid + 1; i++) { |
953 | rs = &runstats[i]; | |
954 | ||
955 | rs->groupid = i; | |
956 | if (is_backend) | |
957 | fio_server_send_gs(rs); | |
958 | else | |
959 | show_group_stats(rs); | |
960 | } | |
3c39a379 | 961 | |
d09a64a0 JA |
962 | if (is_backend) |
963 | fio_server_send_du(); | |
964 | else | |
965 | show_disk_util(); | |
966 | ||
967 | free_disk_util(); | |
c6ae0a5b | 968 | } |
eecf272f JA |
969 | |
970 | free(runstats); | |
756867bd | 971 | free(threadstats); |
3c39a379 JA |
972 | } |
973 | ||
68704084 | 974 | static inline void add_stat_sample(struct io_stat *is, unsigned long data) |
3c39a379 | 975 | { |
68704084 | 976 | double val = data; |
6660cc67 | 977 | double delta; |
68704084 JA |
978 | |
979 | if (data > is->max_val) | |
980 | is->max_val = data; | |
981 | if (data < is->min_val) | |
982 | is->min_val = data; | |
983 | ||
802ad4a8 | 984 | delta = val - is->mean.u.f; |
ef11d737 | 985 | if (delta) { |
802ad4a8 JA |
986 | is->mean.u.f += delta / (is->samples + 1.0); |
987 | is->S.u.f += delta * (val - is->mean.u.f); | |
ef11d737 | 988 | } |
3c39a379 | 989 | |
3c39a379 JA |
990 | is->samples++; |
991 | } | |
992 | ||
bb3884d8 | 993 | static void __add_log_sample(struct io_log *iolog, unsigned long val, |
306ddc97 | 994 | enum fio_ddir ddir, unsigned int bs, |
2b13e716 | 995 | unsigned long t) |
3c39a379 | 996 | { |
306ddc97 JA |
997 | const int nr_samples = iolog->nr_samples; |
998 | ||
3c39a379 JA |
999 | if (iolog->nr_samples == iolog->max_samples) { |
1000 | int new_size = sizeof(struct io_sample) * iolog->max_samples*2; | |
1001 | ||
1002 | iolog->log = realloc(iolog->log, new_size); | |
1003 | iolog->max_samples <<= 1; | |
1004 | } | |
1005 | ||
306ddc97 | 1006 | iolog->log[nr_samples].val = val; |
2b13e716 | 1007 | iolog->log[nr_samples].time = t; |
306ddc97 JA |
1008 | iolog->log[nr_samples].ddir = ddir; |
1009 | iolog->log[nr_samples].bs = bs; | |
3c39a379 JA |
1010 | iolog->nr_samples++; |
1011 | } | |
1012 | ||
bb3884d8 | 1013 | static void add_log_sample(struct thread_data *td, struct io_log *iolog, |
306ddc97 JA |
1014 | unsigned long val, enum fio_ddir ddir, |
1015 | unsigned int bs) | |
bb3884d8 | 1016 | { |
ff58fced JA |
1017 | if (!ddir_rw(ddir)) |
1018 | return; | |
1019 | ||
306ddc97 | 1020 | __add_log_sample(iolog, val, ddir, bs, mtime_since_now(&td->epoch)); |
bb3884d8 JA |
1021 | } |
1022 | ||
306ddc97 | 1023 | void add_agg_sample(unsigned long val, enum fio_ddir ddir, unsigned int bs) |
bb3884d8 | 1024 | { |
ff58fced | 1025 | struct io_log *iolog; |
bb3884d8 | 1026 | |
ff58fced JA |
1027 | if (!ddir_rw(ddir)) |
1028 | return; | |
1029 | ||
1030 | iolog = agg_io_log[ddir]; | |
306ddc97 | 1031 | __add_log_sample(iolog, val, ddir, bs, mtime_since_genesis()); |
bb3884d8 JA |
1032 | } |
1033 | ||
83349190 YH |
1034 | static void add_clat_percentile_sample(struct thread_stat *ts, |
1035 | unsigned long usec, enum fio_ddir ddir) | |
1036 | { | |
1037 | unsigned int idx = plat_val_to_idx(usec); | |
1038 | assert(idx < FIO_IO_U_PLAT_NR); | |
1039 | ||
1040 | ts->io_u_plat[ddir][idx]++; | |
1041 | } | |
1042 | ||
1e97cce9 | 1043 | void add_clat_sample(struct thread_data *td, enum fio_ddir ddir, |
306ddc97 | 1044 | unsigned long usec, unsigned int bs) |
3c39a379 | 1045 | { |
756867bd | 1046 | struct thread_stat *ts = &td->ts; |
079ad09b | 1047 | |
ff58fced JA |
1048 | if (!ddir_rw(ddir)) |
1049 | return; | |
1050 | ||
d85f5118 | 1051 | add_stat_sample(&ts->clat_stat[ddir], usec); |
3c39a379 | 1052 | |
7b9f733a JA |
1053 | if (td->clat_log) |
1054 | add_log_sample(td, td->clat_log, usec, ddir, bs); | |
83349190 YH |
1055 | |
1056 | if (ts->clat_percentiles) | |
1057 | add_clat_percentile_sample(ts, usec, ddir); | |
3c39a379 JA |
1058 | } |
1059 | ||
1e97cce9 | 1060 | void add_slat_sample(struct thread_data *td, enum fio_ddir ddir, |
306ddc97 | 1061 | unsigned long usec, unsigned int bs) |
3c39a379 | 1062 | { |
756867bd | 1063 | struct thread_stat *ts = &td->ts; |
079ad09b | 1064 | |
ff58fced JA |
1065 | if (!ddir_rw(ddir)) |
1066 | return; | |
1067 | ||
d85f5118 | 1068 | add_stat_sample(&ts->slat_stat[ddir], usec); |
3c39a379 | 1069 | |
7b9f733a JA |
1070 | if (td->slat_log) |
1071 | add_log_sample(td, td->slat_log, usec, ddir, bs); | |
3c39a379 JA |
1072 | } |
1073 | ||
02af0988 JA |
1074 | void add_lat_sample(struct thread_data *td, enum fio_ddir ddir, |
1075 | unsigned long usec, unsigned int bs) | |
1076 | { | |
1077 | struct thread_stat *ts = &td->ts; | |
1078 | ||
ff58fced JA |
1079 | if (!ddir_rw(ddir)) |
1080 | return; | |
1081 | ||
02af0988 JA |
1082 | add_stat_sample(&ts->lat_stat[ddir], usec); |
1083 | ||
7b9f733a JA |
1084 | if (td->lat_log) |
1085 | add_log_sample(td, td->lat_log, usec, ddir, bs); | |
02af0988 JA |
1086 | } |
1087 | ||
306ddc97 | 1088 | void add_bw_sample(struct thread_data *td, enum fio_ddir ddir, unsigned int bs, |
1e97cce9 | 1089 | struct timeval *t) |
3c39a379 | 1090 | { |
756867bd | 1091 | struct thread_stat *ts = &td->ts; |
ff58fced JA |
1092 | unsigned long spent, rate; |
1093 | ||
1094 | if (!ddir_rw(ddir)) | |
1095 | return; | |
3c39a379 | 1096 | |
c8eeb9df | 1097 | spent = mtime_since(&td->bw_sample_time, t); |
2dc1bbeb | 1098 | if (spent < td->o.bw_avg_time) |
3c39a379 JA |
1099 | return; |
1100 | ||
f0505a14 | 1101 | rate = (td->this_io_bytes[ddir] - td->stat_io_bytes[ddir]) * |
0b9d69ec | 1102 | 1000 / spent / 1024; |
079ad09b | 1103 | add_stat_sample(&ts->bw_stat[ddir], rate); |
3c39a379 | 1104 | |
7b9f733a JA |
1105 | if (td->bw_log) |
1106 | add_log_sample(td, td->bw_log, rate, ddir, bs); | |
3c39a379 | 1107 | |
c8eeb9df | 1108 | fio_gettime(&td->bw_sample_time, NULL); |
f0505a14 | 1109 | td->stat_io_bytes[ddir] = td->this_io_bytes[ddir]; |
3c39a379 | 1110 | } |
c8eeb9df JA |
1111 | |
1112 | void add_iops_sample(struct thread_data *td, enum fio_ddir ddir, | |
1113 | struct timeval *t) | |
1114 | { | |
1115 | struct thread_stat *ts = &td->ts; | |
1116 | unsigned long spent, iops; | |
1117 | ||
1118 | if (!ddir_rw(ddir)) | |
1119 | return; | |
1120 | ||
1121 | spent = mtime_since(&td->iops_sample_time, t); | |
1122 | if (spent < td->o.iops_avg_time) | |
1123 | return; | |
1124 | ||
1125 | iops = ((td->this_io_blocks[ddir] - td->stat_io_blocks[ddir]) * 1000) / spent; | |
1126 | ||
1127 | add_stat_sample(&ts->iops_stat[ddir], iops); | |
1128 | ||
1129 | if (td->iops_log) { | |
1130 | assert(iops); | |
1131 | add_log_sample(td, td->iops_log, iops, ddir, 0); | |
1132 | } | |
1133 | ||
1134 | fio_gettime(&td->iops_sample_time, NULL); | |
1135 | td->stat_io_blocks[ddir] = td->this_io_blocks[ddir]; | |
1136 | } |