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Fix warning from gmake on BSD
[fio.git] / stat.c
... / ...
CommitLineData
1#include <stdio.h>
2#include <string.h>
3#include <sys/time.h>
4#include <sys/types.h>
5#include <sys/stat.h>
6#include <dirent.h>
7#include <libgen.h>
8#include <math.h>
9
10#include "fio.h"
11#include "diskutil.h"
12#include "lib/ieee754.h"
13#include "json.h"
14#include "lib/getrusage.h"
15#include "idletime.h"
16#include "lib/pow2.h"
17
18struct fio_mutex *stat_mutex;
19
20void update_rusage_stat(struct thread_data *td)
21{
22 struct thread_stat *ts = &td->ts;
23
24 fio_getrusage(&td->ru_end);
25 ts->usr_time += mtime_since(&td->ru_start.ru_utime,
26 &td->ru_end.ru_utime);
27 ts->sys_time += mtime_since(&td->ru_start.ru_stime,
28 &td->ru_end.ru_stime);
29 ts->ctx += td->ru_end.ru_nvcsw + td->ru_end.ru_nivcsw
30 - (td->ru_start.ru_nvcsw + td->ru_start.ru_nivcsw);
31 ts->minf += td->ru_end.ru_minflt - td->ru_start.ru_minflt;
32 ts->majf += td->ru_end.ru_majflt - td->ru_start.ru_majflt;
33
34 memcpy(&td->ru_start, &td->ru_end, sizeof(td->ru_end));
35}
36
37/*
38 * Given a latency, return the index of the corresponding bucket in
39 * the structure tracking percentiles.
40 *
41 * (1) find the group (and error bits) that the value (latency)
42 * belongs to by looking at its MSB. (2) find the bucket number in the
43 * group by looking at the index bits.
44 *
45 */
46static unsigned int plat_val_to_idx(unsigned int val)
47{
48 unsigned int msb, error_bits, base, offset, idx;
49
50 /* Find MSB starting from bit 0 */
51 if (val == 0)
52 msb = 0;
53 else
54 msb = (sizeof(val)*8) - __builtin_clz(val) - 1;
55
56 /*
57 * MSB <= (FIO_IO_U_PLAT_BITS-1), cannot be rounded off. Use
58 * all bits of the sample as index
59 */
60 if (msb <= FIO_IO_U_PLAT_BITS)
61 return val;
62
63 /* Compute the number of error bits to discard*/
64 error_bits = msb - FIO_IO_U_PLAT_BITS;
65
66 /* Compute the number of buckets before the group */
67 base = (error_bits + 1) << FIO_IO_U_PLAT_BITS;
68
69 /*
70 * Discard the error bits and apply the mask to find the
71 * index for the buckets in the group
72 */
73 offset = (FIO_IO_U_PLAT_VAL - 1) & (val >> error_bits);
74
75 /* Make sure the index does not exceed (array size - 1) */
76 idx = (base + offset) < (FIO_IO_U_PLAT_NR - 1) ?
77 (base + offset) : (FIO_IO_U_PLAT_NR - 1);
78
79 return idx;
80}
81
82/*
83 * Convert the given index of the bucket array to the value
84 * represented by the bucket
85 */
86static unsigned int plat_idx_to_val(unsigned int idx)
87{
88 unsigned int error_bits, k, base;
89
90 assert(idx < FIO_IO_U_PLAT_NR);
91
92 /* MSB <= (FIO_IO_U_PLAT_BITS-1), cannot be rounded off. Use
93 * all bits of the sample as index */
94 if (idx < (FIO_IO_U_PLAT_VAL << 1))
95 return idx;
96
97 /* Find the group and compute the minimum value of that group */
98 error_bits = (idx >> FIO_IO_U_PLAT_BITS) - 1;
99 base = 1 << (error_bits + FIO_IO_U_PLAT_BITS);
100
101 /* Find its bucket number of the group */
102 k = idx % FIO_IO_U_PLAT_VAL;
103
104 /* Return the mean of the range of the bucket */
105 return base + ((k + 0.5) * (1 << error_bits));
106}
107
108static int double_cmp(const void *a, const void *b)
109{
110 const fio_fp64_t fa = *(const fio_fp64_t *) a;
111 const fio_fp64_t fb = *(const fio_fp64_t *) b;
112 int cmp = 0;
113
114 if (fa.u.f > fb.u.f)
115 cmp = 1;
116 else if (fa.u.f < fb.u.f)
117 cmp = -1;
118
119 return cmp;
120}
121
122unsigned int calc_clat_percentiles(unsigned int *io_u_plat, unsigned long nr,
123 fio_fp64_t *plist, unsigned int **output,
124 unsigned int *maxv, unsigned int *minv)
125{
126 unsigned long sum = 0;
127 unsigned int len, i, j = 0;
128 unsigned int oval_len = 0;
129 unsigned int *ovals = NULL;
130 int is_last;
131
132 *minv = -1U;
133 *maxv = 0;
134
135 len = 0;
136 while (len < FIO_IO_U_LIST_MAX_LEN && plist[len].u.f != 0.0)
137 len++;
138
139 if (!len)
140 return 0;
141
142 /*
143 * Sort the percentile list. Note that it may already be sorted if
144 * we are using the default values, but since it's a short list this
145 * isn't a worry. Also note that this does not work for NaN values.
146 */
147 if (len > 1)
148 qsort((void *)plist, len, sizeof(plist[0]), double_cmp);
149
150 /*
151 * Calculate bucket values, note down max and min values
152 */
153 is_last = 0;
154 for (i = 0; i < FIO_IO_U_PLAT_NR && !is_last; i++) {
155 sum += io_u_plat[i];
156 while (sum >= (plist[j].u.f / 100.0 * nr)) {
157 assert(plist[j].u.f <= 100.0);
158
159 if (j == oval_len) {
160 oval_len += 100;
161 ovals = realloc(ovals, oval_len * sizeof(unsigned int));
162 }
163
164 ovals[j] = plat_idx_to_val(i);
165 if (ovals[j] < *minv)
166 *minv = ovals[j];
167 if (ovals[j] > *maxv)
168 *maxv = ovals[j];
169
170 is_last = (j == len - 1);
171 if (is_last)
172 break;
173
174 j++;
175 }
176 }
177
178 *output = ovals;
179 return len;
180}
181
182/*
183 * Find and display the p-th percentile of clat
184 */
185static void show_clat_percentiles(unsigned int *io_u_plat, unsigned long nr,
186 fio_fp64_t *plist, unsigned int precision)
187{
188 unsigned int len, j = 0, minv, maxv;
189 unsigned int *ovals;
190 int is_last, per_line, scale_down;
191 char fmt[32];
192
193 len = calc_clat_percentiles(io_u_plat, nr, plist, &ovals, &maxv, &minv);
194 if (!len)
195 goto out;
196
197 /*
198 * We default to usecs, but if the value range is such that we
199 * should scale down to msecs, do that.
200 */
201 if (minv > 2000 && maxv > 99999) {
202 scale_down = 1;
203 log_info(" clat percentiles (msec):\n |");
204 } else {
205 scale_down = 0;
206 log_info(" clat percentiles (usec):\n |");
207 }
208
209 snprintf(fmt, sizeof(fmt), "%%1.%uf", precision);
210 per_line = (80 - 7) / (precision + 14);
211
212 for (j = 0; j < len; j++) {
213 char fbuf[16], *ptr = fbuf;
214
215 /* for formatting */
216 if (j != 0 && (j % per_line) == 0)
217 log_info(" |");
218
219 /* end of the list */
220 is_last = (j == len - 1);
221
222 if (plist[j].u.f < 10.0)
223 ptr += sprintf(fbuf, " ");
224
225 snprintf(ptr, sizeof(fbuf), fmt, plist[j].u.f);
226
227 if (scale_down)
228 ovals[j] = (ovals[j] + 999) / 1000;
229
230 log_info(" %sth=[%5u]%c", fbuf, ovals[j], is_last ? '\n' : ',');
231
232 if (is_last)
233 break;
234
235 if ((j % per_line) == per_line - 1) /* for formatting */
236 log_info("\n");
237 }
238
239out:
240 if (ovals)
241 free(ovals);
242}
243
244int calc_lat(struct io_stat *is, unsigned long *min, unsigned long *max,
245 double *mean, double *dev)
246{
247 double n = (double) is->samples;
248
249 if (n == 0)
250 return 0;
251
252 *min = is->min_val;
253 *max = is->max_val;
254 *mean = is->mean.u.f;
255
256 if (n > 1.0)
257 *dev = sqrt(is->S.u.f / (n - 1.0));
258 else
259 *dev = 0;
260
261 return 1;
262}
263
264void show_group_stats(struct group_run_stats *rs)
265{
266 char *p1, *p2, *p3, *p4;
267 const char *str[] = { " READ", " WRITE" , " TRIM"};
268 int i;
269
270 log_info("\nRun status group %d (all jobs):\n", rs->groupid);
271
272 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
273 const int i2p = is_power_of_2(rs->kb_base);
274
275 if (!rs->max_run[i])
276 continue;
277
278 p1 = num2str(rs->io_kb[i], 6, rs->kb_base, i2p, 8);
279 p2 = num2str(rs->agg[i], 6, rs->kb_base, i2p, rs->unit_base);
280 p3 = num2str(rs->min_bw[i], 6, rs->kb_base, i2p, rs->unit_base);
281 p4 = num2str(rs->max_bw[i], 6, rs->kb_base, i2p, rs->unit_base);
282
283 log_info("%s: io=%s, aggrb=%s/s, minb=%s/s, maxb=%s/s,"
284 " mint=%llumsec, maxt=%llumsec\n",
285 rs->unified_rw_rep ? " MIXED" : str[i],
286 p1, p2, p3, p4,
287 (unsigned long long) rs->min_run[i],
288 (unsigned long long) rs->max_run[i]);
289
290 free(p1);
291 free(p2);
292 free(p3);
293 free(p4);
294 }
295}
296
297void stat_calc_dist(unsigned int *map, unsigned long total, double *io_u_dist)
298{
299 int i;
300
301 /*
302 * Do depth distribution calculations
303 */
304 for (i = 0; i < FIO_IO_U_MAP_NR; i++) {
305 if (total) {
306 io_u_dist[i] = (double) map[i] / (double) total;
307 io_u_dist[i] *= 100.0;
308 if (io_u_dist[i] < 0.1 && map[i])
309 io_u_dist[i] = 0.1;
310 } else
311 io_u_dist[i] = 0.0;
312 }
313}
314
315static void stat_calc_lat(struct thread_stat *ts, double *dst,
316 unsigned int *src, int nr)
317{
318 unsigned long total = ddir_rw_sum(ts->total_io_u);
319 int i;
320
321 /*
322 * Do latency distribution calculations
323 */
324 for (i = 0; i < nr; i++) {
325 if (total) {
326 dst[i] = (double) src[i] / (double) total;
327 dst[i] *= 100.0;
328 if (dst[i] < 0.01 && src[i])
329 dst[i] = 0.01;
330 } else
331 dst[i] = 0.0;
332 }
333}
334
335void stat_calc_lat_u(struct thread_stat *ts, double *io_u_lat)
336{
337 stat_calc_lat(ts, io_u_lat, ts->io_u_lat_u, FIO_IO_U_LAT_U_NR);
338}
339
340void stat_calc_lat_m(struct thread_stat *ts, double *io_u_lat)
341{
342 stat_calc_lat(ts, io_u_lat, ts->io_u_lat_m, FIO_IO_U_LAT_M_NR);
343}
344
345static void display_lat(const char *name, unsigned long min, unsigned long max,
346 double mean, double dev)
347{
348 const char *base = "(usec)";
349 char *minp, *maxp;
350
351 if (!usec_to_msec(&min, &max, &mean, &dev))
352 base = "(msec)";
353
354 minp = num2str(min, 6, 1, 0, 0);
355 maxp = num2str(max, 6, 1, 0, 0);
356
357 log_info(" %s %s: min=%s, max=%s, avg=%5.02f,"
358 " stdev=%5.02f\n", name, base, minp, maxp, mean, dev);
359
360 free(minp);
361 free(maxp);
362}
363
364static void show_ddir_status(struct group_run_stats *rs, struct thread_stat *ts,
365 int ddir)
366{
367 const char *str[] = { "read ", "write", "trim" };
368 unsigned long min, max, runt;
369 unsigned long long bw, iops;
370 double mean, dev;
371 char *io_p, *bw_p, *iops_p;
372 int i2p;
373
374 assert(ddir_rw(ddir));
375
376 if (!ts->runtime[ddir])
377 return;
378
379 i2p = is_power_of_2(rs->kb_base);
380 runt = ts->runtime[ddir];
381
382 bw = (1000 * ts->io_bytes[ddir]) / runt;
383 io_p = num2str(ts->io_bytes[ddir], 6, 1, i2p, 8);
384 bw_p = num2str(bw, 6, 1, i2p, ts->unit_base);
385
386 iops = (1000 * (uint64_t)ts->total_io_u[ddir]) / runt;
387 iops_p = num2str(iops, 6, 1, 0, 0);
388
389 log_info(" %s: io=%s, bw=%s/s, iops=%s, runt=%6llumsec\n",
390 rs->unified_rw_rep ? "mixed" : str[ddir],
391 io_p, bw_p, iops_p,
392 (unsigned long long) ts->runtime[ddir]);
393
394 free(io_p);
395 free(bw_p);
396 free(iops_p);
397
398 if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev))
399 display_lat("slat", min, max, mean, dev);
400 if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev))
401 display_lat("clat", min, max, mean, dev);
402 if (calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev))
403 display_lat(" lat", min, max, mean, dev);
404
405 if (ts->clat_percentiles) {
406 show_clat_percentiles(ts->io_u_plat[ddir],
407 ts->clat_stat[ddir].samples,
408 ts->percentile_list,
409 ts->percentile_precision);
410 }
411 if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) {
412 double p_of_agg = 100.0, fkb_base = (double)rs->kb_base;
413 const char *bw_str = (rs->unit_base == 1 ? "Kbit" : "KB");
414
415 if (rs->unit_base == 1) {
416 min *= 8.0;
417 max *= 8.0;
418 mean *= 8.0;
419 dev *= 8.0;
420 }
421
422 if (rs->agg[ddir]) {
423 p_of_agg = mean * 100 / (double) rs->agg[ddir];
424 if (p_of_agg > 100.0)
425 p_of_agg = 100.0;
426 }
427
428 if (mean > fkb_base * fkb_base) {
429 min /= fkb_base;
430 max /= fkb_base;
431 mean /= fkb_base;
432 dev /= fkb_base;
433 bw_str = (rs->unit_base == 1 ? "Mbit" : "MB");
434 }
435
436 log_info(" bw (%-4s/s): min=%5lu, max=%5lu, per=%3.2f%%,"
437 " avg=%5.02f, stdev=%5.02f\n", bw_str, min, max,
438 p_of_agg, mean, dev);
439 }
440}
441
442static int show_lat(double *io_u_lat, int nr, const char **ranges,
443 const char *msg)
444{
445 int new_line = 1, i, line = 0, shown = 0;
446
447 for (i = 0; i < nr; i++) {
448 if (io_u_lat[i] <= 0.0)
449 continue;
450 shown = 1;
451 if (new_line) {
452 if (line)
453 log_info("\n");
454 log_info(" lat (%s) : ", msg);
455 new_line = 0;
456 line = 0;
457 }
458 if (line)
459 log_info(", ");
460 log_info("%s%3.2f%%", ranges[i], io_u_lat[i]);
461 line++;
462 if (line == 5)
463 new_line = 1;
464 }
465
466 if (shown)
467 log_info("\n");
468
469 return shown;
470}
471
472static void show_lat_u(double *io_u_lat_u)
473{
474 const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=",
475 "250=", "500=", "750=", "1000=", };
476
477 show_lat(io_u_lat_u, FIO_IO_U_LAT_U_NR, ranges, "usec");
478}
479
480static void show_lat_m(double *io_u_lat_m)
481{
482 const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=",
483 "250=", "500=", "750=", "1000=", "2000=",
484 ">=2000=", };
485
486 show_lat(io_u_lat_m, FIO_IO_U_LAT_M_NR, ranges, "msec");
487}
488
489static void show_latencies(struct thread_stat *ts)
490{
491 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
492 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
493
494 stat_calc_lat_u(ts, io_u_lat_u);
495 stat_calc_lat_m(ts, io_u_lat_m);
496
497 show_lat_u(io_u_lat_u);
498 show_lat_m(io_u_lat_m);
499}
500
501static int block_state_category(int block_state)
502{
503 switch (block_state) {
504 case BLOCK_STATE_UNINIT:
505 return 0;
506 case BLOCK_STATE_TRIMMED:
507 case BLOCK_STATE_WRITTEN:
508 return 1;
509 case BLOCK_STATE_WRITE_FAILURE:
510 case BLOCK_STATE_TRIM_FAILURE:
511 return 2;
512 default:
513 assert(0);
514 return -1;
515 }
516}
517
518static int compare_block_infos(const void *bs1, const void *bs2)
519{
520 uint32_t block1 = *(uint32_t *)bs1;
521 uint32_t block2 = *(uint32_t *)bs2;
522 int state1 = BLOCK_INFO_STATE(block1);
523 int state2 = BLOCK_INFO_STATE(block2);
524 int bscat1 = block_state_category(state1);
525 int bscat2 = block_state_category(state2);
526 int cycles1 = BLOCK_INFO_TRIMS(block1);
527 int cycles2 = BLOCK_INFO_TRIMS(block2);
528
529 if (bscat1 < bscat2)
530 return -1;
531 if (bscat1 > bscat2)
532 return 1;
533
534 if (cycles1 < cycles2)
535 return -1;
536 if (cycles1 > cycles2)
537 return 1;
538
539 if (state1 < state2)
540 return -1;
541 if (state1 > state2)
542 return 1;
543
544 assert(block1 == block2);
545 return 0;
546}
547
548static int calc_block_percentiles(int nr_block_infos, uint32_t *block_infos,
549 fio_fp64_t *plist, unsigned int **percentiles,
550 unsigned int *types)
551{
552 int len = 0;
553 int i, nr_uninit;
554
555 qsort(block_infos, nr_block_infos, sizeof(uint32_t), compare_block_infos);
556
557 while (len < FIO_IO_U_LIST_MAX_LEN && plist[len].u.f != 0.0)
558 len++;
559
560 if (!len)
561 return 0;
562
563 /*
564 * Sort the percentile list. Note that it may already be sorted if
565 * we are using the default values, but since it's a short list this
566 * isn't a worry. Also note that this does not work for NaN values.
567 */
568 if (len > 1)
569 qsort((void *)plist, len, sizeof(plist[0]), double_cmp);
570
571 nr_uninit = 0;
572 /* Start only after the uninit entries end */
573 for (nr_uninit = 0;
574 nr_uninit < nr_block_infos
575 && BLOCK_INFO_STATE(block_infos[nr_uninit]) == BLOCK_STATE_UNINIT;
576 nr_uninit ++)
577 ;
578
579 if (nr_uninit == nr_block_infos)
580 return 0;
581
582 *percentiles = calloc(len, sizeof(**percentiles));
583
584 for (i = 0; i < len; i++) {
585 int idx = (plist[i].u.f * (nr_block_infos - nr_uninit) / 100)
586 + nr_uninit;
587 (*percentiles)[i] = BLOCK_INFO_TRIMS(block_infos[idx]);
588 }
589
590 memset(types, 0, sizeof(*types) * BLOCK_STATE_COUNT);
591 for (i = 0; i < nr_block_infos; i++)
592 types[BLOCK_INFO_STATE(block_infos[i])]++;
593
594 return len;
595}
596
597static const char *block_state_names[] = {
598 [BLOCK_STATE_UNINIT] = "unwritten",
599 [BLOCK_STATE_TRIMMED] = "trimmed",
600 [BLOCK_STATE_WRITTEN] = "written",
601 [BLOCK_STATE_TRIM_FAILURE] = "trim failure",
602 [BLOCK_STATE_WRITE_FAILURE] = "write failure",
603};
604
605static void show_block_infos(int nr_block_infos, uint32_t *block_infos,
606 fio_fp64_t *plist)
607{
608 int len, pos, i;
609 unsigned int *percentiles = NULL;
610 unsigned int block_state_counts[BLOCK_STATE_COUNT];
611
612 len = calc_block_percentiles(nr_block_infos, block_infos, plist,
613 &percentiles, block_state_counts);
614
615 log_info(" block lifetime percentiles :\n |");
616 pos = 0;
617 for (i = 0; i < len; i++) {
618 uint32_t block_info = percentiles[i];
619#define LINE_LENGTH 75
620 char str[LINE_LENGTH];
621 int strln = snprintf(str, LINE_LENGTH, " %3.2fth=%u%c",
622 plist[i].u.f, block_info,
623 i == len - 1 ? '\n' : ',');
624 assert(strln < LINE_LENGTH);
625 if (pos + strln > LINE_LENGTH) {
626 pos = 0;
627 log_info("\n |");
628 }
629 log_info("%s", str);
630 pos += strln;
631#undef LINE_LENGTH
632 }
633 if (percentiles)
634 free(percentiles);
635
636 log_info(" states :");
637 for (i = 0; i < BLOCK_STATE_COUNT; i++)
638 log_info(" %s=%u%c",
639 block_state_names[i], block_state_counts[i],
640 i == BLOCK_STATE_COUNT - 1 ? '\n' : ',');
641}
642
643static void show_thread_status_normal(struct thread_stat *ts,
644 struct group_run_stats *rs)
645{
646 double usr_cpu, sys_cpu;
647 unsigned long runtime;
648 double io_u_dist[FIO_IO_U_MAP_NR];
649 time_t time_p;
650 char time_buf[32];
651
652 if (!ddir_rw_sum(ts->io_bytes) && !ddir_rw_sum(ts->total_io_u))
653 return;
654
655 time(&time_p);
656 os_ctime_r((const time_t *) &time_p, time_buf, sizeof(time_buf));
657
658 if (!ts->error) {
659 log_info("%s: (groupid=%d, jobs=%d): err=%2d: pid=%d: %s",
660 ts->name, ts->groupid, ts->members,
661 ts->error, (int) ts->pid, time_buf);
662 } else {
663 log_info("%s: (groupid=%d, jobs=%d): err=%2d (%s): pid=%d: %s",
664 ts->name, ts->groupid, ts->members,
665 ts->error, ts->verror, (int) ts->pid,
666 time_buf);
667 }
668
669 if (strlen(ts->description))
670 log_info(" Description : [%s]\n", ts->description);
671
672 if (ts->io_bytes[DDIR_READ])
673 show_ddir_status(rs, ts, DDIR_READ);
674 if (ts->io_bytes[DDIR_WRITE])
675 show_ddir_status(rs, ts, DDIR_WRITE);
676 if (ts->io_bytes[DDIR_TRIM])
677 show_ddir_status(rs, ts, DDIR_TRIM);
678
679 show_latencies(ts);
680
681 runtime = ts->total_run_time;
682 if (runtime) {
683 double runt = (double) runtime;
684
685 usr_cpu = (double) ts->usr_time * 100 / runt;
686 sys_cpu = (double) ts->sys_time * 100 / runt;
687 } else {
688 usr_cpu = 0;
689 sys_cpu = 0;
690 }
691
692 log_info(" cpu : usr=%3.2f%%, sys=%3.2f%%, ctx=%llu,"
693 " majf=%llu, minf=%llu\n", usr_cpu, sys_cpu,
694 (unsigned long long) ts->ctx,
695 (unsigned long long) ts->majf,
696 (unsigned long long) ts->minf);
697
698 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
699 log_info(" IO depths : 1=%3.1f%%, 2=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%,"
700 " 16=%3.1f%%, 32=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0],
701 io_u_dist[1], io_u_dist[2],
702 io_u_dist[3], io_u_dist[4],
703 io_u_dist[5], io_u_dist[6]);
704
705 stat_calc_dist(ts->io_u_submit, ts->total_submit, io_u_dist);
706 log_info(" submit : 0=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%, 16=%3.1f%%,"
707 " 32=%3.1f%%, 64=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0],
708 io_u_dist[1], io_u_dist[2],
709 io_u_dist[3], io_u_dist[4],
710 io_u_dist[5], io_u_dist[6]);
711 stat_calc_dist(ts->io_u_complete, ts->total_complete, io_u_dist);
712 log_info(" complete : 0=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%, 16=%3.1f%%,"
713 " 32=%3.1f%%, 64=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0],
714 io_u_dist[1], io_u_dist[2],
715 io_u_dist[3], io_u_dist[4],
716 io_u_dist[5], io_u_dist[6]);
717 log_info(" issued : total=r=%llu/w=%llu/d=%llu,"
718 " short=r=%llu/w=%llu/d=%llu,"
719 " drop=r=%llu/w=%llu/d=%llu\n",
720 (unsigned long long) ts->total_io_u[0],
721 (unsigned long long) ts->total_io_u[1],
722 (unsigned long long) ts->total_io_u[2],
723 (unsigned long long) ts->short_io_u[0],
724 (unsigned long long) ts->short_io_u[1],
725 (unsigned long long) ts->short_io_u[2],
726 (unsigned long long) ts->drop_io_u[0],
727 (unsigned long long) ts->drop_io_u[1],
728 (unsigned long long) ts->drop_io_u[2]);
729 if (ts->continue_on_error) {
730 log_info(" errors : total=%llu, first_error=%d/<%s>\n",
731 (unsigned long long)ts->total_err_count,
732 ts->first_error,
733 strerror(ts->first_error));
734 }
735 if (ts->latency_depth) {
736 log_info(" latency : target=%llu, window=%llu, percentile=%.2f%%, depth=%u\n",
737 (unsigned long long)ts->latency_target,
738 (unsigned long long)ts->latency_window,
739 ts->latency_percentile.u.f,
740 ts->latency_depth);
741 }
742
743 if (ts->nr_block_infos)
744 show_block_infos(ts->nr_block_infos, ts->block_infos,
745 ts->percentile_list);
746}
747
748static void show_ddir_status_terse(struct thread_stat *ts,
749 struct group_run_stats *rs, int ddir)
750{
751 unsigned long min, max;
752 unsigned long long bw, iops;
753 unsigned int *ovals = NULL;
754 double mean, dev;
755 unsigned int len, minv, maxv;
756 int i;
757
758 assert(ddir_rw(ddir));
759
760 iops = bw = 0;
761 if (ts->runtime[ddir]) {
762 uint64_t runt = ts->runtime[ddir];
763
764 bw = ((1000 * ts->io_bytes[ddir]) / runt) / 1024;
765 iops = (1000 * (uint64_t) ts->total_io_u[ddir]) / runt;
766 }
767
768 log_info(";%llu;%llu;%llu;%llu",
769 (unsigned long long) ts->io_bytes[ddir] >> 10, bw, iops,
770 (unsigned long long) ts->runtime[ddir]);
771
772 if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev))
773 log_info(";%lu;%lu;%f;%f", min, max, mean, dev);
774 else
775 log_info(";%lu;%lu;%f;%f", 0UL, 0UL, 0.0, 0.0);
776
777 if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev))
778 log_info(";%lu;%lu;%f;%f", min, max, mean, dev);
779 else
780 log_info(";%lu;%lu;%f;%f", 0UL, 0UL, 0.0, 0.0);
781
782 if (ts->clat_percentiles) {
783 len = calc_clat_percentiles(ts->io_u_plat[ddir],
784 ts->clat_stat[ddir].samples,
785 ts->percentile_list, &ovals, &maxv,
786 &minv);
787 } else
788 len = 0;
789
790 for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) {
791 if (i >= len) {
792 log_info(";0%%=0");
793 continue;
794 }
795 log_info(";%f%%=%u", ts->percentile_list[i].u.f, ovals[i]);
796 }
797
798 if (calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev))
799 log_info(";%lu;%lu;%f;%f", min, max, mean, dev);
800 else
801 log_info(";%lu;%lu;%f;%f", 0UL, 0UL, 0.0, 0.0);
802
803 if (ovals)
804 free(ovals);
805
806 if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) {
807 double p_of_agg = 100.0;
808
809 if (rs->agg[ddir]) {
810 p_of_agg = mean * 100 / (double) rs->agg[ddir];
811 if (p_of_agg > 100.0)
812 p_of_agg = 100.0;
813 }
814
815 log_info(";%lu;%lu;%f%%;%f;%f", min, max, p_of_agg, mean, dev);
816 } else
817 log_info(";%lu;%lu;%f%%;%f;%f", 0UL, 0UL, 0.0, 0.0, 0.0);
818}
819
820static void add_ddir_status_json(struct thread_stat *ts,
821 struct group_run_stats *rs, int ddir, struct json_object *parent)
822{
823 unsigned long min, max;
824 unsigned long long bw;
825 unsigned int *ovals = NULL;
826 double mean, dev, iops;
827 unsigned int len, minv, maxv;
828 int i;
829 const char *ddirname[] = {"read", "write", "trim"};
830 struct json_object *dir_object, *tmp_object, *percentile_object;
831 char buf[120];
832 double p_of_agg = 100.0;
833
834 assert(ddir_rw(ddir));
835
836 if (ts->unified_rw_rep && ddir != DDIR_READ)
837 return;
838
839 dir_object = json_create_object();
840 json_object_add_value_object(parent,
841 ts->unified_rw_rep ? "mixed" : ddirname[ddir], dir_object);
842
843 bw = 0;
844 iops = 0.0;
845 if (ts->runtime[ddir]) {
846 uint64_t runt = ts->runtime[ddir];
847
848 bw = ((1000 * ts->io_bytes[ddir]) / runt) / 1024;
849 iops = (1000.0 * (uint64_t) ts->total_io_u[ddir]) / runt;
850 }
851
852 json_object_add_value_int(dir_object, "io_bytes", ts->io_bytes[ddir] >> 10);
853 json_object_add_value_int(dir_object, "bw", bw);
854 json_object_add_value_float(dir_object, "iops", iops);
855 json_object_add_value_int(dir_object, "runtime", ts->runtime[ddir]);
856 json_object_add_value_int(dir_object, "total_ios", ts->total_io_u[ddir]);
857 json_object_add_value_int(dir_object, "short_ios", ts->short_io_u[ddir]);
858 json_object_add_value_int(dir_object, "drop_ios", ts->drop_io_u[ddir]);
859
860 if (!calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev)) {
861 min = max = 0;
862 mean = dev = 0.0;
863 }
864 tmp_object = json_create_object();
865 json_object_add_value_object(dir_object, "slat", tmp_object);
866 json_object_add_value_int(tmp_object, "min", min);
867 json_object_add_value_int(tmp_object, "max", max);
868 json_object_add_value_float(tmp_object, "mean", mean);
869 json_object_add_value_float(tmp_object, "stddev", dev);
870
871 if (!calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev)) {
872 min = max = 0;
873 mean = dev = 0.0;
874 }
875 tmp_object = json_create_object();
876 json_object_add_value_object(dir_object, "clat", tmp_object);
877 json_object_add_value_int(tmp_object, "min", min);
878 json_object_add_value_int(tmp_object, "max", max);
879 json_object_add_value_float(tmp_object, "mean", mean);
880 json_object_add_value_float(tmp_object, "stddev", dev);
881
882 if (ts->clat_percentiles) {
883 len = calc_clat_percentiles(ts->io_u_plat[ddir],
884 ts->clat_stat[ddir].samples,
885 ts->percentile_list, &ovals, &maxv,
886 &minv);
887 } else
888 len = 0;
889
890 percentile_object = json_create_object();
891 json_object_add_value_object(tmp_object, "percentile", percentile_object);
892 for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) {
893 if (i >= len) {
894 json_object_add_value_int(percentile_object, "0.00", 0);
895 continue;
896 }
897 snprintf(buf, sizeof(buf), "%f", ts->percentile_list[i].u.f);
898 json_object_add_value_int(percentile_object, (const char *)buf, ovals[i]);
899 }
900
901 if (!calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev)) {
902 min = max = 0;
903 mean = dev = 0.0;
904 }
905 tmp_object = json_create_object();
906 json_object_add_value_object(dir_object, "lat", tmp_object);
907 json_object_add_value_int(tmp_object, "min", min);
908 json_object_add_value_int(tmp_object, "max", max);
909 json_object_add_value_float(tmp_object, "mean", mean);
910 json_object_add_value_float(tmp_object, "stddev", dev);
911 if (ovals)
912 free(ovals);
913
914 if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) {
915 if (rs->agg[ddir]) {
916 p_of_agg = mean * 100 / (double) rs->agg[ddir];
917 if (p_of_agg > 100.0)
918 p_of_agg = 100.0;
919 }
920 } else {
921 min = max = 0;
922 p_of_agg = mean = dev = 0.0;
923 }
924 json_object_add_value_int(dir_object, "bw_min", min);
925 json_object_add_value_int(dir_object, "bw_max", max);
926 json_object_add_value_float(dir_object, "bw_agg", p_of_agg);
927 json_object_add_value_float(dir_object, "bw_mean", mean);
928 json_object_add_value_float(dir_object, "bw_dev", dev);
929}
930
931static void show_thread_status_terse_v2(struct thread_stat *ts,
932 struct group_run_stats *rs)
933{
934 double io_u_dist[FIO_IO_U_MAP_NR];
935 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
936 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
937 double usr_cpu, sys_cpu;
938 int i;
939
940 /* General Info */
941 log_info("2;%s;%d;%d", ts->name, ts->groupid, ts->error);
942 /* Log Read Status */
943 show_ddir_status_terse(ts, rs, DDIR_READ);
944 /* Log Write Status */
945 show_ddir_status_terse(ts, rs, DDIR_WRITE);
946 /* Log Trim Status */
947 show_ddir_status_terse(ts, rs, DDIR_TRIM);
948
949 /* CPU Usage */
950 if (ts->total_run_time) {
951 double runt = (double) ts->total_run_time;
952
953 usr_cpu = (double) ts->usr_time * 100 / runt;
954 sys_cpu = (double) ts->sys_time * 100 / runt;
955 } else {
956 usr_cpu = 0;
957 sys_cpu = 0;
958 }
959
960 log_info(";%f%%;%f%%;%llu;%llu;%llu", usr_cpu, sys_cpu,
961 (unsigned long long) ts->ctx,
962 (unsigned long long) ts->majf,
963 (unsigned long long) ts->minf);
964
965 /* Calc % distribution of IO depths, usecond, msecond latency */
966 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
967 stat_calc_lat_u(ts, io_u_lat_u);
968 stat_calc_lat_m(ts, io_u_lat_m);
969
970 /* Only show fixed 7 I/O depth levels*/
971 log_info(";%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%",
972 io_u_dist[0], io_u_dist[1], io_u_dist[2], io_u_dist[3],
973 io_u_dist[4], io_u_dist[5], io_u_dist[6]);
974
975 /* Microsecond latency */
976 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++)
977 log_info(";%3.2f%%", io_u_lat_u[i]);
978 /* Millisecond latency */
979 for (i = 0; i < FIO_IO_U_LAT_M_NR; i++)
980 log_info(";%3.2f%%", io_u_lat_m[i]);
981 /* Additional output if continue_on_error set - default off*/
982 if (ts->continue_on_error)
983 log_info(";%llu;%d", (unsigned long long) ts->total_err_count, ts->first_error);
984 log_info("\n");
985
986 /* Additional output if description is set */
987 if (strlen(ts->description))
988 log_info(";%s", ts->description);
989
990 log_info("\n");
991}
992
993static void show_thread_status_terse_v3_v4(struct thread_stat *ts,
994 struct group_run_stats *rs, int ver)
995{
996 double io_u_dist[FIO_IO_U_MAP_NR];
997 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
998 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
999 double usr_cpu, sys_cpu;
1000 int i;
1001
1002 /* General Info */
1003 log_info("%d;%s;%s;%d;%d", ver, fio_version_string,
1004 ts->name, ts->groupid, ts->error);
1005 /* Log Read Status */
1006 show_ddir_status_terse(ts, rs, DDIR_READ);
1007 /* Log Write Status */
1008 show_ddir_status_terse(ts, rs, DDIR_WRITE);
1009 /* Log Trim Status */
1010 if (ver == 4)
1011 show_ddir_status_terse(ts, rs, DDIR_TRIM);
1012
1013 /* CPU Usage */
1014 if (ts->total_run_time) {
1015 double runt = (double) ts->total_run_time;
1016
1017 usr_cpu = (double) ts->usr_time * 100 / runt;
1018 sys_cpu = (double) ts->sys_time * 100 / runt;
1019 } else {
1020 usr_cpu = 0;
1021 sys_cpu = 0;
1022 }
1023
1024 log_info(";%f%%;%f%%;%llu;%llu;%llu", usr_cpu, sys_cpu,
1025 (unsigned long long) ts->ctx,
1026 (unsigned long long) ts->majf,
1027 (unsigned long long) ts->minf);
1028
1029 /* Calc % distribution of IO depths, usecond, msecond latency */
1030 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
1031 stat_calc_lat_u(ts, io_u_lat_u);
1032 stat_calc_lat_m(ts, io_u_lat_m);
1033
1034 /* Only show fixed 7 I/O depth levels*/
1035 log_info(";%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%",
1036 io_u_dist[0], io_u_dist[1], io_u_dist[2], io_u_dist[3],
1037 io_u_dist[4], io_u_dist[5], io_u_dist[6]);
1038
1039 /* Microsecond latency */
1040 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++)
1041 log_info(";%3.2f%%", io_u_lat_u[i]);
1042 /* Millisecond latency */
1043 for (i = 0; i < FIO_IO_U_LAT_M_NR; i++)
1044 log_info(";%3.2f%%", io_u_lat_m[i]);
1045
1046 /* disk util stats, if any */
1047 show_disk_util(1, NULL);
1048
1049 /* Additional output if continue_on_error set - default off*/
1050 if (ts->continue_on_error)
1051 log_info(";%llu;%d", (unsigned long long) ts->total_err_count, ts->first_error);
1052
1053 /* Additional output if description is set */
1054 if (strlen(ts->description))
1055 log_info(";%s", ts->description);
1056
1057 log_info("\n");
1058}
1059
1060static struct json_object *show_thread_status_json(struct thread_stat *ts,
1061 struct group_run_stats *rs)
1062{
1063 struct json_object *root, *tmp;
1064 double io_u_dist[FIO_IO_U_MAP_NR];
1065 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
1066 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
1067 double usr_cpu, sys_cpu;
1068 int i;
1069
1070 root = json_create_object();
1071 json_object_add_value_string(root, "jobname", ts->name);
1072 json_object_add_value_int(root, "groupid", ts->groupid);
1073 json_object_add_value_int(root, "error", ts->error);
1074
1075 add_ddir_status_json(ts, rs, DDIR_READ, root);
1076 add_ddir_status_json(ts, rs, DDIR_WRITE, root);
1077 add_ddir_status_json(ts, rs, DDIR_TRIM, root);
1078
1079 /* CPU Usage */
1080 if (ts->total_run_time) {
1081 double runt = (double) ts->total_run_time;
1082
1083 usr_cpu = (double) ts->usr_time * 100 / runt;
1084 sys_cpu = (double) ts->sys_time * 100 / runt;
1085 } else {
1086 usr_cpu = 0;
1087 sys_cpu = 0;
1088 }
1089 json_object_add_value_float(root, "usr_cpu", usr_cpu);
1090 json_object_add_value_float(root, "sys_cpu", sys_cpu);
1091 json_object_add_value_int(root, "ctx", ts->ctx);
1092 json_object_add_value_int(root, "majf", ts->majf);
1093 json_object_add_value_int(root, "minf", ts->minf);
1094
1095
1096 /* Calc % distribution of IO depths, usecond, msecond latency */
1097 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
1098 stat_calc_lat_u(ts, io_u_lat_u);
1099 stat_calc_lat_m(ts, io_u_lat_m);
1100
1101 tmp = json_create_object();
1102 json_object_add_value_object(root, "iodepth_level", tmp);
1103 /* Only show fixed 7 I/O depth levels*/
1104 for (i = 0; i < 7; i++) {
1105 char name[20];
1106 if (i < 6)
1107 snprintf(name, 20, "%d", 1 << i);
1108 else
1109 snprintf(name, 20, ">=%d", 1 << i);
1110 json_object_add_value_float(tmp, (const char *)name, io_u_dist[i]);
1111 }
1112
1113 tmp = json_create_object();
1114 json_object_add_value_object(root, "latency_us", tmp);
1115 /* Microsecond latency */
1116 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) {
1117 const char *ranges[] = { "2", "4", "10", "20", "50", "100",
1118 "250", "500", "750", "1000", };
1119 json_object_add_value_float(tmp, ranges[i], io_u_lat_u[i]);
1120 }
1121 /* Millisecond latency */
1122 tmp = json_create_object();
1123 json_object_add_value_object(root, "latency_ms", tmp);
1124 for (i = 0; i < FIO_IO_U_LAT_M_NR; i++) {
1125 const char *ranges[] = { "2", "4", "10", "20", "50", "100",
1126 "250", "500", "750", "1000", "2000",
1127 ">=2000", };
1128 json_object_add_value_float(tmp, ranges[i], io_u_lat_m[i]);
1129 }
1130
1131 /* Additional output if continue_on_error set - default off*/
1132 if (ts->continue_on_error) {
1133 json_object_add_value_int(root, "total_err", ts->total_err_count);
1134 json_object_add_value_int(root, "first_error", ts->first_error);
1135 }
1136
1137 if (ts->latency_depth) {
1138 json_object_add_value_int(root, "latency_depth", ts->latency_depth);
1139 json_object_add_value_int(root, "latency_target", ts->latency_target);
1140 json_object_add_value_float(root, "latency_percentile", ts->latency_percentile.u.f);
1141 json_object_add_value_int(root, "latency_window", ts->latency_window);
1142 }
1143
1144 /* Additional output if description is set */
1145 if (strlen(ts->description))
1146 json_object_add_value_string(root, "desc", ts->description);
1147
1148 if (ts->nr_block_infos) {
1149 /* Block error histogram and types */
1150 int len;
1151 unsigned int *percentiles = NULL;
1152 unsigned int block_state_counts[BLOCK_STATE_COUNT];
1153
1154 len = calc_block_percentiles(ts->nr_block_infos, ts->block_infos,
1155 ts->percentile_list,
1156 &percentiles, block_state_counts);
1157
1158 if (len) {
1159 struct json_object *block, *percentile_object, *states;
1160 int state, i;
1161 block = json_create_object();
1162 json_object_add_value_object(root, "block", block);
1163
1164 percentile_object = json_create_object();
1165 json_object_add_value_object(block, "percentiles",
1166 percentile_object);
1167 for (i = 0; i < len; i++) {
1168 char buf[20];
1169 snprintf(buf, sizeof(buf), "%f",
1170 ts->percentile_list[i].u.f);
1171 json_object_add_value_int(percentile_object,
1172 (const char *)buf,
1173 percentiles[i]);
1174 }
1175
1176 states = json_create_object();
1177 json_object_add_value_object(block, "states", states);
1178 for (state = 0; state < BLOCK_STATE_COUNT; state++) {
1179 json_object_add_value_int(states,
1180 block_state_names[state],
1181 block_state_counts[state]);
1182 }
1183 free(percentiles);
1184 }
1185 }
1186
1187 return root;
1188}
1189
1190static void show_thread_status_terse(struct thread_stat *ts,
1191 struct group_run_stats *rs)
1192{
1193 if (terse_version == 2)
1194 show_thread_status_terse_v2(ts, rs);
1195 else if (terse_version == 3 || terse_version == 4)
1196 show_thread_status_terse_v3_v4(ts, rs, terse_version);
1197 else
1198 log_err("fio: bad terse version!? %d\n", terse_version);
1199}
1200
1201struct json_object *show_thread_status(struct thread_stat *ts,
1202 struct group_run_stats *rs)
1203{
1204 if (output_format == FIO_OUTPUT_TERSE)
1205 show_thread_status_terse(ts, rs);
1206 else if (output_format == FIO_OUTPUT_JSON)
1207 return show_thread_status_json(ts, rs);
1208 else
1209 show_thread_status_normal(ts, rs);
1210 return NULL;
1211}
1212
1213static void sum_stat(struct io_stat *dst, struct io_stat *src, int nr)
1214{
1215 double mean, S;
1216
1217 if (src->samples == 0)
1218 return;
1219
1220 dst->min_val = min(dst->min_val, src->min_val);
1221 dst->max_val = max(dst->max_val, src->max_val);
1222
1223 /*
1224 * Compute new mean and S after the merge
1225 * <http://en.wikipedia.org/wiki/Algorithms_for_calculating_variance
1226 * #Parallel_algorithm>
1227 */
1228 if (nr == 1) {
1229 mean = src->mean.u.f;
1230 S = src->S.u.f;
1231 } else {
1232 double delta = src->mean.u.f - dst->mean.u.f;
1233
1234 mean = ((src->mean.u.f * src->samples) +
1235 (dst->mean.u.f * dst->samples)) /
1236 (dst->samples + src->samples);
1237
1238 S = src->S.u.f + dst->S.u.f + pow(delta, 2.0) *
1239 (dst->samples * src->samples) /
1240 (dst->samples + src->samples);
1241 }
1242
1243 dst->samples += src->samples;
1244 dst->mean.u.f = mean;
1245 dst->S.u.f = S;
1246}
1247
1248void sum_group_stats(struct group_run_stats *dst, struct group_run_stats *src)
1249{
1250 int i;
1251
1252 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
1253 if (dst->max_run[i] < src->max_run[i])
1254 dst->max_run[i] = src->max_run[i];
1255 if (dst->min_run[i] && dst->min_run[i] > src->min_run[i])
1256 dst->min_run[i] = src->min_run[i];
1257 if (dst->max_bw[i] < src->max_bw[i])
1258 dst->max_bw[i] = src->max_bw[i];
1259 if (dst->min_bw[i] && dst->min_bw[i] > src->min_bw[i])
1260 dst->min_bw[i] = src->min_bw[i];
1261
1262 dst->io_kb[i] += src->io_kb[i];
1263 dst->agg[i] += src->agg[i];
1264 }
1265
1266 if (!dst->kb_base)
1267 dst->kb_base = src->kb_base;
1268 if (!dst->unit_base)
1269 dst->unit_base = src->unit_base;
1270}
1271
1272void sum_thread_stats(struct thread_stat *dst, struct thread_stat *src, int nr)
1273{
1274 int l, k;
1275
1276 for (l = 0; l < DDIR_RWDIR_CNT; l++) {
1277 if (!dst->unified_rw_rep) {
1278 sum_stat(&dst->clat_stat[l], &src->clat_stat[l], nr);
1279 sum_stat(&dst->slat_stat[l], &src->slat_stat[l], nr);
1280 sum_stat(&dst->lat_stat[l], &src->lat_stat[l], nr);
1281 sum_stat(&dst->bw_stat[l], &src->bw_stat[l], nr);
1282
1283 dst->io_bytes[l] += src->io_bytes[l];
1284
1285 if (dst->runtime[l] < src->runtime[l])
1286 dst->runtime[l] = src->runtime[l];
1287 } else {
1288 sum_stat(&dst->clat_stat[0], &src->clat_stat[l], nr);
1289 sum_stat(&dst->slat_stat[0], &src->slat_stat[l], nr);
1290 sum_stat(&dst->lat_stat[0], &src->lat_stat[l], nr);
1291 sum_stat(&dst->bw_stat[0], &src->bw_stat[l], nr);
1292
1293 dst->io_bytes[0] += src->io_bytes[l];
1294
1295 if (dst->runtime[0] < src->runtime[l])
1296 dst->runtime[0] = src->runtime[l];
1297 }
1298 }
1299
1300 dst->usr_time += src->usr_time;
1301 dst->sys_time += src->sys_time;
1302 dst->ctx += src->ctx;
1303 dst->majf += src->majf;
1304 dst->minf += src->minf;
1305
1306 for (k = 0; k < FIO_IO_U_MAP_NR; k++)
1307 dst->io_u_map[k] += src->io_u_map[k];
1308 for (k = 0; k < FIO_IO_U_MAP_NR; k++)
1309 dst->io_u_submit[k] += src->io_u_submit[k];
1310 for (k = 0; k < FIO_IO_U_MAP_NR; k++)
1311 dst->io_u_complete[k] += src->io_u_complete[k];
1312 for (k = 0; k < FIO_IO_U_LAT_U_NR; k++)
1313 dst->io_u_lat_u[k] += src->io_u_lat_u[k];
1314 for (k = 0; k < FIO_IO_U_LAT_M_NR; k++)
1315 dst->io_u_lat_m[k] += src->io_u_lat_m[k];
1316
1317 for (k = 0; k < DDIR_RWDIR_CNT; k++) {
1318 if (!dst->unified_rw_rep) {
1319 dst->total_io_u[k] += src->total_io_u[k];
1320 dst->short_io_u[k] += src->short_io_u[k];
1321 dst->drop_io_u[k] += src->drop_io_u[k];
1322 } else {
1323 dst->total_io_u[0] += src->total_io_u[k];
1324 dst->short_io_u[0] += src->short_io_u[k];
1325 dst->drop_io_u[0] += src->drop_io_u[k];
1326 }
1327 }
1328
1329 for (k = 0; k < DDIR_RWDIR_CNT; k++) {
1330 int m;
1331
1332 for (m = 0; m < FIO_IO_U_PLAT_NR; m++) {
1333 if (!dst->unified_rw_rep)
1334 dst->io_u_plat[k][m] += src->io_u_plat[k][m];
1335 else
1336 dst->io_u_plat[0][m] += src->io_u_plat[k][m];
1337 }
1338 }
1339
1340 dst->total_run_time += src->total_run_time;
1341 dst->total_submit += src->total_submit;
1342 dst->total_complete += src->total_complete;
1343}
1344
1345void init_group_run_stat(struct group_run_stats *gs)
1346{
1347 int i;
1348 memset(gs, 0, sizeof(*gs));
1349
1350 for (i = 0; i < DDIR_RWDIR_CNT; i++)
1351 gs->min_bw[i] = gs->min_run[i] = ~0UL;
1352}
1353
1354void init_thread_stat(struct thread_stat *ts)
1355{
1356 int j;
1357
1358 memset(ts, 0, sizeof(*ts));
1359
1360 for (j = 0; j < DDIR_RWDIR_CNT; j++) {
1361 ts->lat_stat[j].min_val = -1UL;
1362 ts->clat_stat[j].min_val = -1UL;
1363 ts->slat_stat[j].min_val = -1UL;
1364 ts->bw_stat[j].min_val = -1UL;
1365 }
1366 ts->groupid = -1;
1367}
1368
1369void __show_run_stats(void)
1370{
1371 struct group_run_stats *runstats, *rs;
1372 struct thread_data *td;
1373 struct thread_stat *threadstats, *ts;
1374 int i, j, k, nr_ts, last_ts, idx;
1375 int kb_base_warned = 0;
1376 int unit_base_warned = 0;
1377 struct json_object *root = NULL;
1378 struct json_array *array = NULL;
1379 runstats = malloc(sizeof(struct group_run_stats) * (groupid + 1));
1380
1381 for (i = 0; i < groupid + 1; i++)
1382 init_group_run_stat(&runstats[i]);
1383
1384 /*
1385 * find out how many threads stats we need. if group reporting isn't
1386 * enabled, it's one-per-td.
1387 */
1388 nr_ts = 0;
1389 last_ts = -1;
1390 for_each_td(td, i) {
1391 if (!td->o.group_reporting) {
1392 nr_ts++;
1393 continue;
1394 }
1395 if (last_ts == td->groupid)
1396 continue;
1397
1398 last_ts = td->groupid;
1399 nr_ts++;
1400 }
1401
1402 threadstats = malloc(nr_ts * sizeof(struct thread_stat));
1403
1404 for (i = 0; i < nr_ts; i++)
1405 init_thread_stat(&threadstats[i]);
1406
1407 j = 0;
1408 last_ts = -1;
1409 idx = 0;
1410 for_each_td(td, i) {
1411 if (idx && (!td->o.group_reporting ||
1412 (td->o.group_reporting && last_ts != td->groupid))) {
1413 idx = 0;
1414 j++;
1415 }
1416
1417 last_ts = td->groupid;
1418
1419 ts = &threadstats[j];
1420
1421 ts->clat_percentiles = td->o.clat_percentiles;
1422 ts->percentile_precision = td->o.percentile_precision;
1423 memcpy(ts->percentile_list, td->o.percentile_list, sizeof(td->o.percentile_list));
1424
1425 idx++;
1426 ts->members++;
1427
1428 if (ts->groupid == -1) {
1429 /*
1430 * These are per-group shared already
1431 */
1432 strncpy(ts->name, td->o.name, FIO_JOBNAME_SIZE - 1);
1433 if (td->o.description)
1434 strncpy(ts->description, td->o.description,
1435 FIO_JOBDESC_SIZE - 1);
1436 else
1437 memset(ts->description, 0, FIO_JOBDESC_SIZE);
1438
1439 /*
1440 * If multiple entries in this group, this is
1441 * the first member.
1442 */
1443 ts->thread_number = td->thread_number;
1444 ts->groupid = td->groupid;
1445
1446 /*
1447 * first pid in group, not very useful...
1448 */
1449 ts->pid = td->pid;
1450
1451 ts->kb_base = td->o.kb_base;
1452 ts->unit_base = td->o.unit_base;
1453 ts->unified_rw_rep = td->o.unified_rw_rep;
1454 } else if (ts->kb_base != td->o.kb_base && !kb_base_warned) {
1455 log_info("fio: kb_base differs for jobs in group, using"
1456 " %u as the base\n", ts->kb_base);
1457 kb_base_warned = 1;
1458 } else if (ts->unit_base != td->o.unit_base && !unit_base_warned) {
1459 log_info("fio: unit_base differs for jobs in group, using"
1460 " %u as the base\n", ts->unit_base);
1461 unit_base_warned = 1;
1462 }
1463
1464 ts->continue_on_error = td->o.continue_on_error;
1465 ts->total_err_count += td->total_err_count;
1466 ts->first_error = td->first_error;
1467 if (!ts->error) {
1468 if (!td->error && td->o.continue_on_error &&
1469 td->first_error) {
1470 ts->error = td->first_error;
1471 ts->verror[sizeof(ts->verror) - 1] = '\0';
1472 strncpy(ts->verror, td->verror, sizeof(ts->verror) - 1);
1473 } else if (td->error) {
1474 ts->error = td->error;
1475 ts->verror[sizeof(ts->verror) - 1] = '\0';
1476 strncpy(ts->verror, td->verror, sizeof(ts->verror) - 1);
1477 }
1478 }
1479
1480 ts->latency_depth = td->latency_qd;
1481 ts->latency_target = td->o.latency_target;
1482 ts->latency_percentile = td->o.latency_percentile;
1483 ts->latency_window = td->o.latency_window;
1484
1485 ts->nr_block_infos = td->ts.nr_block_infos;
1486 for (k = 0; k < ts->nr_block_infos; k++)
1487 ts->block_infos[k] = td->ts.block_infos[k];
1488
1489 sum_thread_stats(ts, &td->ts, idx);
1490 }
1491
1492 for (i = 0; i < nr_ts; i++) {
1493 unsigned long long bw;
1494
1495 ts = &threadstats[i];
1496 rs = &runstats[ts->groupid];
1497 rs->kb_base = ts->kb_base;
1498 rs->unit_base = ts->unit_base;
1499 rs->unified_rw_rep += ts->unified_rw_rep;
1500
1501 for (j = 0; j < DDIR_RWDIR_CNT; j++) {
1502 if (!ts->runtime[j])
1503 continue;
1504 if (ts->runtime[j] < rs->min_run[j] || !rs->min_run[j])
1505 rs->min_run[j] = ts->runtime[j];
1506 if (ts->runtime[j] > rs->max_run[j])
1507 rs->max_run[j] = ts->runtime[j];
1508
1509 bw = 0;
1510 if (ts->runtime[j]) {
1511 unsigned long runt = ts->runtime[j];
1512 unsigned long long kb;
1513
1514 kb = ts->io_bytes[j] / rs->kb_base;
1515 bw = kb * 1000 / runt;
1516 }
1517 if (bw < rs->min_bw[j])
1518 rs->min_bw[j] = bw;
1519 if (bw > rs->max_bw[j])
1520 rs->max_bw[j] = bw;
1521
1522 rs->io_kb[j] += ts->io_bytes[j] / rs->kb_base;
1523 }
1524 }
1525
1526 for (i = 0; i < groupid + 1; i++) {
1527 int ddir;
1528
1529 rs = &runstats[i];
1530
1531 for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++) {
1532 if (rs->max_run[ddir])
1533 rs->agg[ddir] = (rs->io_kb[ddir] * 1000) /
1534 rs->max_run[ddir];
1535 }
1536 }
1537
1538 /*
1539 * don't overwrite last signal output
1540 */
1541 if (output_format == FIO_OUTPUT_NORMAL)
1542 log_info("\n");
1543 else if (output_format == FIO_OUTPUT_JSON) {
1544 char time_buf[32];
1545 time_t time_p;
1546
1547 time(&time_p);
1548 os_ctime_r((const time_t *) &time_p, time_buf,
1549 sizeof(time_buf));
1550 time_buf[strlen(time_buf) - 1] = '\0';
1551
1552 root = json_create_object();
1553 json_object_add_value_string(root, "fio version", fio_version_string);
1554 json_object_add_value_int(root, "timestamp", time_p);
1555 json_object_add_value_string(root, "time", time_buf);
1556 array = json_create_array();
1557 json_object_add_value_array(root, "jobs", array);
1558 }
1559
1560 for (i = 0; i < nr_ts; i++) {
1561 ts = &threadstats[i];
1562 rs = &runstats[ts->groupid];
1563
1564 if (is_backend)
1565 fio_server_send_ts(ts, rs);
1566 else if (output_format == FIO_OUTPUT_TERSE)
1567 show_thread_status_terse(ts, rs);
1568 else if (output_format == FIO_OUTPUT_JSON) {
1569 struct json_object *tmp = show_thread_status_json(ts, rs);
1570 json_array_add_value_object(array, tmp);
1571 } else
1572 show_thread_status_normal(ts, rs);
1573 }
1574 if (output_format == FIO_OUTPUT_JSON) {
1575 /* disk util stats, if any */
1576 show_disk_util(1, root);
1577
1578 show_idle_prof_stats(FIO_OUTPUT_JSON, root);
1579
1580 json_print_object(root);
1581 log_info("\n");
1582 json_free_object(root);
1583 }
1584
1585 for (i = 0; i < groupid + 1; i++) {
1586 rs = &runstats[i];
1587
1588 rs->groupid = i;
1589 if (is_backend)
1590 fio_server_send_gs(rs);
1591 else if (output_format == FIO_OUTPUT_NORMAL)
1592 show_group_stats(rs);
1593 }
1594
1595 if (is_backend)
1596 fio_server_send_du();
1597 else if (output_format == FIO_OUTPUT_NORMAL) {
1598 show_disk_util(0, NULL);
1599 show_idle_prof_stats(FIO_OUTPUT_NORMAL, NULL);
1600 }
1601
1602 if ( !(output_format == FIO_OUTPUT_TERSE) && append_terse_output) {
1603 log_info("\nAdditional Terse Output:\n");
1604
1605 for (i = 0; i < nr_ts; i++) {
1606 ts = &threadstats[i];
1607 rs = &runstats[ts->groupid];
1608 show_thread_status_terse(ts, rs);
1609 }
1610 }
1611
1612 log_info_flush();
1613 free(runstats);
1614 free(threadstats);
1615}
1616
1617void show_run_stats(void)
1618{
1619 fio_mutex_down(stat_mutex);
1620 __show_run_stats();
1621 fio_mutex_up(stat_mutex);
1622}
1623
1624void __show_running_run_stats(void)
1625{
1626 struct thread_data *td;
1627 unsigned long long *rt;
1628 struct timeval tv;
1629 int i;
1630
1631 fio_mutex_down(stat_mutex);
1632
1633 rt = malloc(thread_number * sizeof(unsigned long long));
1634 fio_gettime(&tv, NULL);
1635
1636 for_each_td(td, i) {
1637 rt[i] = mtime_since(&td->start, &tv);
1638 if (td_read(td) && td->io_bytes[DDIR_READ])
1639 td->ts.runtime[DDIR_READ] += rt[i];
1640 if (td_write(td) && td->io_bytes[DDIR_WRITE])
1641 td->ts.runtime[DDIR_WRITE] += rt[i];
1642 if (td_trim(td) && td->io_bytes[DDIR_TRIM])
1643 td->ts.runtime[DDIR_TRIM] += rt[i];
1644
1645 td->update_rusage = 1;
1646 td->ts.io_bytes[DDIR_READ] = td->io_bytes[DDIR_READ];
1647 td->ts.io_bytes[DDIR_WRITE] = td->io_bytes[DDIR_WRITE];
1648 td->ts.io_bytes[DDIR_TRIM] = td->io_bytes[DDIR_TRIM];
1649 td->ts.total_run_time = mtime_since(&td->epoch, &tv);
1650 }
1651
1652 for_each_td(td, i) {
1653 if (td->runstate >= TD_EXITED)
1654 continue;
1655 if (td->rusage_sem) {
1656 td->update_rusage = 1;
1657 fio_mutex_down(td->rusage_sem);
1658 }
1659 td->update_rusage = 0;
1660 }
1661
1662 __show_run_stats();
1663
1664 for_each_td(td, i) {
1665 if (td_read(td) && td->io_bytes[DDIR_READ])
1666 td->ts.runtime[DDIR_READ] -= rt[i];
1667 if (td_write(td) && td->io_bytes[DDIR_WRITE])
1668 td->ts.runtime[DDIR_WRITE] -= rt[i];
1669 if (td_trim(td) && td->io_bytes[DDIR_TRIM])
1670 td->ts.runtime[DDIR_TRIM] -= rt[i];
1671 }
1672
1673 free(rt);
1674 fio_mutex_up(stat_mutex);
1675}
1676
1677static int status_interval_init;
1678static struct timeval status_time;
1679static int status_file_disabled;
1680
1681#define FIO_STATUS_FILE "fio-dump-status"
1682
1683static int check_status_file(void)
1684{
1685 struct stat sb;
1686 const char *temp_dir;
1687 char fio_status_file_path[PATH_MAX];
1688
1689 if (status_file_disabled)
1690 return 0;
1691
1692 temp_dir = getenv("TMPDIR");
1693 if (temp_dir == NULL) {
1694 temp_dir = getenv("TEMP");
1695 if (temp_dir && strlen(temp_dir) >= PATH_MAX)
1696 temp_dir = NULL;
1697 }
1698 if (temp_dir == NULL)
1699 temp_dir = "/tmp";
1700
1701 snprintf(fio_status_file_path, sizeof(fio_status_file_path), "%s/%s", temp_dir, FIO_STATUS_FILE);
1702
1703 if (stat(fio_status_file_path, &sb))
1704 return 0;
1705
1706 if (unlink(fio_status_file_path) < 0) {
1707 log_err("fio: failed to unlink %s: %s\n", fio_status_file_path,
1708 strerror(errno));
1709 log_err("fio: disabling status file updates\n");
1710 status_file_disabled = 1;
1711 }
1712
1713 return 1;
1714}
1715
1716void check_for_running_stats(void)
1717{
1718 if (status_interval) {
1719 if (!status_interval_init) {
1720 fio_gettime(&status_time, NULL);
1721 status_interval_init = 1;
1722 } else if (mtime_since_now(&status_time) >= status_interval) {
1723 show_running_run_stats();
1724 fio_gettime(&status_time, NULL);
1725 return;
1726 }
1727 }
1728 if (check_status_file()) {
1729 show_running_run_stats();
1730 return;
1731 }
1732}
1733
1734static inline void add_stat_sample(struct io_stat *is, unsigned long data)
1735{
1736 double val = data;
1737 double delta;
1738
1739 if (data > is->max_val)
1740 is->max_val = data;
1741 if (data < is->min_val)
1742 is->min_val = data;
1743
1744 delta = val - is->mean.u.f;
1745 if (delta) {
1746 is->mean.u.f += delta / (is->samples + 1.0);
1747 is->S.u.f += delta * (val - is->mean.u.f);
1748 }
1749
1750 is->samples++;
1751}
1752
1753static void __add_log_sample(struct io_log *iolog, unsigned long val,
1754 enum fio_ddir ddir, unsigned int bs,
1755 unsigned long t, uint64_t offset)
1756{
1757 uint64_t nr_samples = iolog->nr_samples;
1758 struct io_sample *s;
1759
1760 if (iolog->disabled)
1761 return;
1762
1763 if (!iolog->nr_samples)
1764 iolog->avg_last = t;
1765
1766 if (iolog->nr_samples == iolog->max_samples) {
1767 size_t new_size;
1768 void *new_log;
1769
1770 new_size = 2 * iolog->max_samples * log_entry_sz(iolog);
1771
1772 if (iolog->log_gz && (new_size > iolog->log_gz)) {
1773 if (iolog_flush(iolog, 0)) {
1774 log_err("fio: failed flushing iolog! Will stop logging.\n");
1775 iolog->disabled = 1;
1776 return;
1777 }
1778 nr_samples = iolog->nr_samples;
1779 } else {
1780 new_log = realloc(iolog->log, new_size);
1781 if (!new_log) {
1782 log_err("fio: failed extending iolog! Will stop logging.\n");
1783 iolog->disabled = 1;
1784 return;
1785 }
1786 iolog->log = new_log;
1787 iolog->max_samples <<= 1;
1788 }
1789 }
1790
1791 s = get_sample(iolog, nr_samples);
1792
1793 s->val = val;
1794 s->time = t;
1795 io_sample_set_ddir(iolog, s, ddir);
1796 s->bs = bs;
1797
1798 if (iolog->log_offset) {
1799 struct io_sample_offset *so = (void *) s;
1800
1801 so->offset = offset;
1802 }
1803
1804 iolog->nr_samples++;
1805}
1806
1807static inline void reset_io_stat(struct io_stat *ios)
1808{
1809 ios->max_val = ios->min_val = ios->samples = 0;
1810 ios->mean.u.f = ios->S.u.f = 0;
1811}
1812
1813void reset_io_stats(struct thread_data *td)
1814{
1815 struct thread_stat *ts = &td->ts;
1816 int i, j;
1817
1818 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
1819 reset_io_stat(&ts->clat_stat[i]);
1820 reset_io_stat(&ts->slat_stat[i]);
1821 reset_io_stat(&ts->lat_stat[i]);
1822 reset_io_stat(&ts->bw_stat[i]);
1823 reset_io_stat(&ts->iops_stat[i]);
1824
1825 ts->io_bytes[i] = 0;
1826 ts->runtime[i] = 0;
1827
1828 for (j = 0; j < FIO_IO_U_PLAT_NR; j++)
1829 ts->io_u_plat[i][j] = 0;
1830 }
1831
1832 for (i = 0; i < FIO_IO_U_MAP_NR; i++) {
1833 ts->io_u_map[i] = 0;
1834 ts->io_u_submit[i] = 0;
1835 ts->io_u_complete[i] = 0;
1836 ts->io_u_lat_u[i] = 0;
1837 ts->io_u_lat_m[i] = 0;
1838 ts->total_submit = 0;
1839 ts->total_complete = 0;
1840 }
1841
1842 for (i = 0; i < 3; i++) {
1843 ts->total_io_u[i] = 0;
1844 ts->short_io_u[i] = 0;
1845 ts->drop_io_u[i] = 0;
1846 }
1847}
1848
1849static void _add_stat_to_log(struct io_log *iolog, unsigned long elapsed)
1850{
1851 /*
1852 * Note an entry in the log. Use the mean from the logged samples,
1853 * making sure to properly round up. Only write a log entry if we
1854 * had actual samples done.
1855 */
1856 if (iolog->avg_window[DDIR_READ].samples) {
1857 unsigned long mr;
1858
1859 mr = iolog->avg_window[DDIR_READ].mean.u.f + 0.50;
1860 __add_log_sample(iolog, mr, DDIR_READ, 0, elapsed, 0);
1861 }
1862 if (iolog->avg_window[DDIR_WRITE].samples) {
1863 unsigned long mw;
1864
1865 mw = iolog->avg_window[DDIR_WRITE].mean.u.f + 0.50;
1866 __add_log_sample(iolog, mw, DDIR_WRITE, 0, elapsed, 0);
1867 }
1868 if (iolog->avg_window[DDIR_TRIM].samples) {
1869 unsigned long mw;
1870
1871 mw = iolog->avg_window[DDIR_TRIM].mean.u.f + 0.50;
1872 __add_log_sample(iolog, mw, DDIR_TRIM, 0, elapsed, 0);
1873 }
1874
1875 reset_io_stat(&iolog->avg_window[DDIR_READ]);
1876 reset_io_stat(&iolog->avg_window[DDIR_WRITE]);
1877 reset_io_stat(&iolog->avg_window[DDIR_TRIM]);
1878}
1879
1880static void add_log_sample(struct thread_data *td, struct io_log *iolog,
1881 unsigned long val, enum fio_ddir ddir,
1882 unsigned int bs, uint64_t offset)
1883{
1884 unsigned long elapsed, this_window;
1885
1886 if (!ddir_rw(ddir))
1887 return;
1888
1889 elapsed = mtime_since_now(&td->epoch);
1890
1891 /*
1892 * If no time averaging, just add the log sample.
1893 */
1894 if (!iolog->avg_msec) {
1895 __add_log_sample(iolog, val, ddir, bs, elapsed, offset);
1896 return;
1897 }
1898
1899 /*
1900 * Add the sample. If the time period has passed, then
1901 * add that entry to the log and clear.
1902 */
1903 add_stat_sample(&iolog->avg_window[ddir], val);
1904
1905 /*
1906 * If period hasn't passed, adding the above sample is all we
1907 * need to do.
1908 */
1909 this_window = elapsed - iolog->avg_last;
1910 if (this_window < iolog->avg_msec)
1911 return;
1912
1913 _add_stat_to_log(iolog, elapsed);
1914
1915 iolog->avg_last = elapsed;
1916}
1917
1918void finalize_logs(struct thread_data *td)
1919{
1920 unsigned long elapsed;
1921
1922 elapsed = mtime_since_now(&td->epoch);
1923
1924 if (td->clat_log)
1925 _add_stat_to_log(td->clat_log, elapsed);
1926 if (td->slat_log)
1927 _add_stat_to_log(td->slat_log, elapsed);
1928 if (td->lat_log)
1929 _add_stat_to_log(td->lat_log, elapsed);
1930 if (td->bw_log)
1931 _add_stat_to_log(td->bw_log, elapsed);
1932 if (td->iops_log)
1933 _add_stat_to_log(td->iops_log, elapsed);
1934}
1935
1936void add_agg_sample(unsigned long val, enum fio_ddir ddir, unsigned int bs)
1937{
1938 struct io_log *iolog;
1939
1940 if (!ddir_rw(ddir))
1941 return;
1942
1943 iolog = agg_io_log[ddir];
1944 __add_log_sample(iolog, val, ddir, bs, mtime_since_genesis(), 0);
1945}
1946
1947static void add_clat_percentile_sample(struct thread_stat *ts,
1948 unsigned long usec, enum fio_ddir ddir)
1949{
1950 unsigned int idx = plat_val_to_idx(usec);
1951 assert(idx < FIO_IO_U_PLAT_NR);
1952
1953 ts->io_u_plat[ddir][idx]++;
1954}
1955
1956void add_clat_sample(struct thread_data *td, enum fio_ddir ddir,
1957 unsigned long usec, unsigned int bs, uint64_t offset)
1958{
1959 struct thread_stat *ts = &td->ts;
1960
1961 if (!ddir_rw(ddir))
1962 return;
1963
1964 add_stat_sample(&ts->clat_stat[ddir], usec);
1965
1966 if (td->clat_log)
1967 add_log_sample(td, td->clat_log, usec, ddir, bs, offset);
1968
1969 if (ts->clat_percentiles)
1970 add_clat_percentile_sample(ts, usec, ddir);
1971}
1972
1973void add_slat_sample(struct thread_data *td, enum fio_ddir ddir,
1974 unsigned long usec, unsigned int bs, uint64_t offset)
1975{
1976 struct thread_stat *ts = &td->ts;
1977
1978 if (!ddir_rw(ddir))
1979 return;
1980
1981 add_stat_sample(&ts->slat_stat[ddir], usec);
1982
1983 if (td->slat_log)
1984 add_log_sample(td, td->slat_log, usec, ddir, bs, offset);
1985}
1986
1987void add_lat_sample(struct thread_data *td, enum fio_ddir ddir,
1988 unsigned long usec, unsigned int bs, uint64_t offset)
1989{
1990 struct thread_stat *ts = &td->ts;
1991
1992 if (!ddir_rw(ddir))
1993 return;
1994
1995 add_stat_sample(&ts->lat_stat[ddir], usec);
1996
1997 if (td->lat_log)
1998 add_log_sample(td, td->lat_log, usec, ddir, bs, offset);
1999}
2000
2001void add_bw_sample(struct thread_data *td, enum fio_ddir ddir, unsigned int bs,
2002 struct timeval *t)
2003{
2004 struct thread_stat *ts = &td->ts;
2005 unsigned long spent, rate;
2006
2007 if (!ddir_rw(ddir))
2008 return;
2009
2010 spent = mtime_since(&td->bw_sample_time, t);
2011 if (spent < td->o.bw_avg_time)
2012 return;
2013
2014 td_io_u_lock(td);
2015
2016 /*
2017 * Compute both read and write rates for the interval.
2018 */
2019 for (ddir = DDIR_READ; ddir < DDIR_RWDIR_CNT; ddir++) {
2020 uint64_t delta;
2021
2022 delta = td->this_io_bytes[ddir] - td->stat_io_bytes[ddir];
2023 if (!delta)
2024 continue; /* No entries for interval */
2025
2026 if (spent)
2027 rate = delta * 1000 / spent / 1024;
2028 else
2029 rate = 0;
2030
2031 add_stat_sample(&ts->bw_stat[ddir], rate);
2032
2033 if (td->bw_log)
2034 add_log_sample(td, td->bw_log, rate, ddir, bs, 0);
2035
2036 td->stat_io_bytes[ddir] = td->this_io_bytes[ddir];
2037 }
2038
2039 fio_gettime(&td->bw_sample_time, NULL);
2040 td_io_u_unlock(td);
2041}
2042
2043void add_iops_sample(struct thread_data *td, enum fio_ddir ddir, unsigned int bs,
2044 struct timeval *t)
2045{
2046 struct thread_stat *ts = &td->ts;
2047 unsigned long spent, iops;
2048
2049 if (!ddir_rw(ddir))
2050 return;
2051
2052 spent = mtime_since(&td->iops_sample_time, t);
2053 if (spent < td->o.iops_avg_time)
2054 return;
2055
2056 td_io_u_lock(td);
2057
2058 /*
2059 * Compute both read and write rates for the interval.
2060 */
2061 for (ddir = DDIR_READ; ddir < DDIR_RWDIR_CNT; ddir++) {
2062 uint64_t delta;
2063
2064 delta = td->this_io_blocks[ddir] - td->stat_io_blocks[ddir];
2065 if (!delta)
2066 continue; /* No entries for interval */
2067
2068 if (spent)
2069 iops = (delta * 1000) / spent;
2070 else
2071 iops = 0;
2072
2073 add_stat_sample(&ts->iops_stat[ddir], iops);
2074
2075 if (td->iops_log)
2076 add_log_sample(td, td->iops_log, iops, ddir, bs, 0);
2077
2078 td->stat_io_blocks[ddir] = td->this_io_blocks[ddir];
2079 }
2080
2081 fio_gettime(&td->iops_sample_time, NULL);
2082 td_io_u_unlock(td);
2083}
2084
2085void stat_init(void)
2086{
2087 stat_mutex = fio_mutex_init(FIO_MUTEX_UNLOCKED);
2088}
2089
2090void stat_exit(void)
2091{
2092 /*
2093 * When we have the mutex, we know out-of-band access to it
2094 * have ended.
2095 */
2096 fio_mutex_down(stat_mutex);
2097 fio_mutex_remove(stat_mutex);
2098}
2099
2100/*
2101 * Called from signal handler. Wake up status thread.
2102 */
2103void show_running_run_stats(void)
2104{
2105 helper_do_stat = 1;
2106 pthread_cond_signal(&helper_cond);
2107}
2108
2109uint32_t *io_u_block_info(struct thread_data *td, struct io_u *io_u)
2110{
2111 /* Ignore io_u's which span multiple blocks--they will just get
2112 * inaccurate counts. */
2113 int idx = (io_u->offset - io_u->file->file_offset)
2114 / td->o.bs[DDIR_TRIM];
2115 uint32_t *info = &td->ts.block_infos[idx];
2116 assert(idx < td->ts.nr_block_infos);
2117 return info;
2118}
fio - Flexible IO Tester