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