12 #include "lib/ieee754.h"
14 #include "lib/getrusage.h"
16 void update_rusage_stat(struct thread_data *td)
18 struct thread_stat *ts = &td->ts;
20 fio_getrusage(&td->ru_end);
21 ts->usr_time += mtime_since(&td->ru_start.ru_utime,
22 &td->ru_end.ru_utime);
23 ts->sys_time += mtime_since(&td->ru_start.ru_stime,
24 &td->ru_end.ru_stime);
25 ts->ctx += td->ru_end.ru_nvcsw + td->ru_end.ru_nivcsw
26 - (td->ru_start.ru_nvcsw + td->ru_start.ru_nivcsw);
27 ts->minf += td->ru_end.ru_minflt - td->ru_start.ru_minflt;
28 ts->majf += td->ru_end.ru_majflt - td->ru_start.ru_majflt;
30 memcpy(&td->ru_start, &td->ru_end, sizeof(td->ru_end));
34 * Given a latency, return the index of the corresponding bucket in
35 * the structure tracking percentiles.
37 * (1) find the group (and error bits) that the value (latency)
38 * belongs to by looking at its MSB. (2) find the bucket number in the
39 * group by looking at the index bits.
42 static unsigned int plat_val_to_idx(unsigned int val)
44 unsigned int msb, error_bits, base, offset, idx;
46 /* Find MSB starting from bit 0 */
50 msb = (sizeof(val)*8) - __builtin_clz(val) - 1;
53 * MSB <= (FIO_IO_U_PLAT_BITS-1), cannot be rounded off. Use
54 * all bits of the sample as index
56 if (msb <= FIO_IO_U_PLAT_BITS)
59 /* Compute the number of error bits to discard*/
60 error_bits = msb - FIO_IO_U_PLAT_BITS;
62 /* Compute the number of buckets before the group */
63 base = (error_bits + 1) << FIO_IO_U_PLAT_BITS;
66 * Discard the error bits and apply the mask to find the
67 * index for the buckets in the group
69 offset = (FIO_IO_U_PLAT_VAL - 1) & (val >> error_bits);
71 /* Make sure the index does not exceed (array size - 1) */
72 idx = (base + offset) < (FIO_IO_U_PLAT_NR - 1)?
73 (base + offset) : (FIO_IO_U_PLAT_NR - 1);
79 * Convert the given index of the bucket array to the value
80 * represented by the bucket
82 static unsigned int plat_idx_to_val(unsigned int idx)
84 unsigned int error_bits, k, base;
86 assert(idx < FIO_IO_U_PLAT_NR);
88 /* MSB <= (FIO_IO_U_PLAT_BITS-1), cannot be rounded off. Use
89 * all bits of the sample as index */
90 if (idx < (FIO_IO_U_PLAT_VAL << 1) )
93 /* Find the group and compute the minimum value of that group */
94 error_bits = (idx >> FIO_IO_U_PLAT_BITS) -1;
95 base = 1 << (error_bits + FIO_IO_U_PLAT_BITS);
97 /* Find its bucket number of the group */
98 k = idx % FIO_IO_U_PLAT_VAL;
100 /* Return the mean of the range of the bucket */
101 return base + ((k + 0.5) * (1 << error_bits));
104 static int double_cmp(const void *a, const void *b)
106 const fio_fp64_t fa = *(const fio_fp64_t *) a;
107 const fio_fp64_t fb = *(const fio_fp64_t *) b;
112 else if (fa.u.f < fb.u.f)
118 static unsigned int calc_clat_percentiles(unsigned int *io_u_plat,
119 unsigned long nr, fio_fp64_t *plist,
120 unsigned int **output,
124 unsigned long sum = 0;
125 unsigned int len, i, j = 0;
126 unsigned int oval_len = 0;
127 unsigned int *ovals = NULL;
134 while (len < FIO_IO_U_LIST_MAX_LEN && plist[len].u.f != 0.0)
141 * Sort the percentile list. Note that it may already be sorted if
142 * we are using the default values, but since it's a short list this
143 * isn't a worry. Also note that this does not work for NaN values.
146 qsort((void*)plist, len, sizeof(plist[0]), double_cmp);
149 * Calculate bucket values, note down max and min values
152 for (i = 0; i < FIO_IO_U_PLAT_NR && !is_last; i++) {
154 while (sum >= (plist[j].u.f / 100.0 * nr)) {
155 assert(plist[j].u.f <= 100.0);
159 ovals = realloc(ovals, oval_len * sizeof(unsigned int));
162 ovals[j] = plat_idx_to_val(i);
163 if (ovals[j] < *minv)
165 if (ovals[j] > *maxv)
168 is_last = (j == len - 1);
181 * Find and display the p-th percentile of clat
183 static void show_clat_percentiles(unsigned int *io_u_plat, unsigned long nr,
186 unsigned int len, j = 0, minv, maxv;
188 int is_last, scale_down;
190 len = calc_clat_percentiles(io_u_plat, nr, plist, &ovals, &maxv, &minv);
195 * We default to usecs, but if the value range is such that we
196 * should scale down to msecs, do that.
198 if (minv > 2000 && maxv > 99999) {
200 log_info(" clat percentiles (msec):\n |");
203 log_info(" clat percentiles (usec):\n |");
206 for (j = 0; j < len; j++) {
210 if (j != 0 && (j % 4) == 0)
213 /* end of the list */
214 is_last = (j == len - 1);
216 if (plist[j].u.f < 10.0)
217 sprintf(fbuf, " %2.2f", plist[j].u.f);
219 sprintf(fbuf, "%2.2f", plist[j].u.f);
222 ovals[j] = (ovals[j] + 999) / 1000;
224 log_info(" %sth=[%5u]%c", fbuf, ovals[j], is_last ? '\n' : ',');
229 if (j % 4 == 3) /* for formatting */
238 static int calc_lat(struct io_stat *is, unsigned long *min, unsigned long *max,
239 double *mean, double *dev)
241 double n = is->samples;
243 if (is->samples == 0)
249 n = (double) is->samples;
250 *mean = is->mean.u.f;
253 *dev = sqrt(is->S.u.f / (n - 1.0));
260 void show_group_stats(struct group_run_stats *rs)
262 char *p1, *p2, *p3, *p4;
263 const char *ddir_str[] = { " READ", " WRITE" , " TRIM"};
266 log_info("\nRun status group %d (all jobs):\n", rs->groupid);
268 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
269 const int i2p = is_power_of_2(rs->kb_base);
274 p1 = num2str(rs->io_kb[i], 6, rs->kb_base, i2p);
275 p2 = num2str(rs->agg[i], 6, rs->kb_base, i2p);
276 p3 = num2str(rs->min_bw[i], 6, rs->kb_base, i2p);
277 p4 = num2str(rs->max_bw[i], 6, rs->kb_base, i2p);
279 log_info("%s: io=%sB, aggrb=%sB/s, minb=%sB/s, maxb=%sB/s,"
280 " mint=%llumsec, maxt=%llumsec\n", ddir_str[i], p1, p2,
281 p3, p4, rs->min_run[i],
291 #define ts_total_io_u(ts) \
292 ((ts)->total_io_u[DDIR_READ] + (ts)->total_io_u[DDIR_WRITE] +\
293 (ts)->total_io_u[DDIR_TRIM])
295 static void stat_calc_dist(unsigned int *map, unsigned long total,
301 * Do depth distribution calculations
303 for (i = 0; i < FIO_IO_U_MAP_NR; i++) {
305 io_u_dist[i] = (double) map[i] / (double) total;
306 io_u_dist[i] *= 100.0;
307 if (io_u_dist[i] < 0.1 && map[i])
314 static void stat_calc_lat(struct thread_stat *ts, double *dst,
315 unsigned int *src, int nr)
317 unsigned long total = ts_total_io_u(ts);
321 * Do latency distribution calculations
323 for (i = 0; i < nr; i++) {
325 dst[i] = (double) src[i] / (double) total;
327 if (dst[i] < 0.01 && src[i])
334 static void stat_calc_lat_u(struct thread_stat *ts, double *io_u_lat)
336 stat_calc_lat(ts, io_u_lat, ts->io_u_lat_u, FIO_IO_U_LAT_U_NR);
339 static void stat_calc_lat_m(struct thread_stat *ts, double *io_u_lat)
341 stat_calc_lat(ts, io_u_lat, ts->io_u_lat_m, FIO_IO_U_LAT_M_NR);
344 static int usec_to_msec(unsigned long *min, unsigned long *max, double *mean,
347 if (*min > 1000 && *max > 1000 && *mean > 1000.0 && *dev > 1000.0) {
358 static void show_ddir_status(struct group_run_stats *rs, struct thread_stat *ts,
361 const char *ddir_str[] = { "read ", "write", "trim" };
362 unsigned long min, max, runt;
363 unsigned long long bw, iops;
365 char *io_p, *bw_p, *iops_p;
368 assert(ddir_rw(ddir));
370 if (!ts->runtime[ddir])
373 i2p = is_power_of_2(rs->kb_base);
374 runt = ts->runtime[ddir];
376 bw = (1000 * ts->io_bytes[ddir]) / runt;
377 io_p = num2str(ts->io_bytes[ddir], 6, 1, i2p);
378 bw_p = num2str(bw, 6, 1, i2p);
380 iops = (1000 * (uint64_t)ts->total_io_u[ddir]) / runt;
381 iops_p = num2str(iops, 6, 1, 0);
383 log_info(" %s: io=%sB, bw=%sB/s, iops=%s, runt=%6llumsec\n",
384 ddir_str[ddir], io_p, bw_p, iops_p,
391 if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev)) {
392 const char *base = "(usec)";
395 if (!usec_to_msec(&min, &max, &mean, &dev))
398 minp = num2str(min, 6, 1, 0);
399 maxp = num2str(max, 6, 1, 0);
401 log_info(" slat %s: min=%s, max=%s, avg=%5.02f,"
402 " stdev=%5.02f\n", base, minp, maxp, mean, dev);
407 if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev)) {
408 const char *base = "(usec)";
411 if (!usec_to_msec(&min, &max, &mean, &dev))
414 minp = num2str(min, 6, 1, 0);
415 maxp = num2str(max, 6, 1, 0);
417 log_info(" clat %s: min=%s, max=%s, avg=%5.02f,"
418 " stdev=%5.02f\n", base, minp, maxp, mean, dev);
423 if (calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev)) {
424 const char *base = "(usec)";
427 if (!usec_to_msec(&min, &max, &mean, &dev))
430 minp = num2str(min, 6, 1, 0);
431 maxp = num2str(max, 6, 1, 0);
433 log_info(" lat %s: min=%s, max=%s, avg=%5.02f,"
434 " stdev=%5.02f\n", base, minp, maxp, mean, dev);
439 if (ts->clat_percentiles) {
440 show_clat_percentiles(ts->io_u_plat[ddir],
441 ts->clat_stat[ddir].samples,
442 ts->percentile_list);
444 if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) {
445 double p_of_agg = 100.0;
446 const char *bw_str = "KB";
449 p_of_agg = mean * 100 / (double) rs->agg[ddir];
450 if (p_of_agg > 100.0)
454 if (mean > 999999.9) {
462 log_info(" bw (%s/s) : min=%5lu, max=%5lu, per=%3.2f%%,"
463 " avg=%5.02f, stdev=%5.02f\n", bw_str, min, max,
464 p_of_agg, mean, dev);
468 static int show_lat(double *io_u_lat, int nr, const char **ranges,
471 int new_line = 1, i, line = 0, shown = 0;
473 for (i = 0; i < nr; i++) {
474 if (io_u_lat[i] <= 0.0)
480 log_info(" lat (%s) : ", msg);
486 log_info("%s%3.2f%%", ranges[i], io_u_lat[i]);
498 static void show_lat_u(double *io_u_lat_u)
500 const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=",
501 "250=", "500=", "750=", "1000=", };
503 show_lat(io_u_lat_u, FIO_IO_U_LAT_U_NR, ranges, "usec");
506 static void show_lat_m(double *io_u_lat_m)
508 const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=",
509 "250=", "500=", "750=", "1000=", "2000=",
512 show_lat(io_u_lat_m, FIO_IO_U_LAT_M_NR, ranges, "msec");
515 static void show_latencies(double *io_u_lat_u, double *io_u_lat_m)
517 show_lat_u(io_u_lat_u);
518 show_lat_m(io_u_lat_m);
521 void show_thread_status(struct thread_stat *ts, struct group_run_stats *rs)
523 double usr_cpu, sys_cpu;
524 unsigned long runtime;
525 double io_u_dist[FIO_IO_U_MAP_NR];
526 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
527 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
531 if (!(ts->io_bytes[DDIR_READ] + ts->io_bytes[DDIR_WRITE] +
532 ts->io_bytes[DDIR_TRIM]) && !(ts->total_io_u[DDIR_READ] +
533 ts->total_io_u[DDIR_WRITE] + ts->total_io_u[DDIR_TRIM]))
537 os_ctime_r((const time_t *) &time_p, time_buf, sizeof(time_buf));
540 log_info("%s: (groupid=%d, jobs=%d): err=%2d: pid=%d: %s",
541 ts->name, ts->groupid, ts->members,
542 ts->error, (int) ts->pid, time_buf);
544 log_info("%s: (groupid=%d, jobs=%d): err=%2d (%s): pid=%d: %s",
545 ts->name, ts->groupid, ts->members,
546 ts->error, ts->verror, (int) ts->pid,
550 if (strlen(ts->description))
551 log_info(" Description : [%s]\n", ts->description);
553 if (ts->io_bytes[DDIR_READ])
554 show_ddir_status(rs, ts, DDIR_READ);
555 if (ts->io_bytes[DDIR_WRITE])
556 show_ddir_status(rs, ts, DDIR_WRITE);
557 if (ts->io_bytes[DDIR_TRIM])
558 show_ddir_status(rs, ts, DDIR_TRIM);
560 stat_calc_lat_u(ts, io_u_lat_u);
561 stat_calc_lat_m(ts, io_u_lat_m);
562 show_latencies(io_u_lat_u, io_u_lat_m);
564 runtime = ts->total_run_time;
566 double runt = (double) runtime;
568 usr_cpu = (double) ts->usr_time * 100 / runt;
569 sys_cpu = (double) ts->sys_time * 100 / runt;
575 log_info(" cpu : usr=%3.2f%%, sys=%3.2f%%, ctx=%lu, majf=%lu,"
576 " minf=%lu\n", usr_cpu, sys_cpu, ts->ctx, ts->majf, ts->minf);
578 stat_calc_dist(ts->io_u_map, ts_total_io_u(ts), io_u_dist);
579 log_info(" IO depths : 1=%3.1f%%, 2=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%,"
580 " 16=%3.1f%%, 32=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0],
581 io_u_dist[1], io_u_dist[2],
582 io_u_dist[3], io_u_dist[4],
583 io_u_dist[5], io_u_dist[6]);
585 stat_calc_dist(ts->io_u_submit, ts->total_submit, io_u_dist);
586 log_info(" submit : 0=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%, 16=%3.1f%%,"
587 " 32=%3.1f%%, 64=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0],
588 io_u_dist[1], io_u_dist[2],
589 io_u_dist[3], io_u_dist[4],
590 io_u_dist[5], io_u_dist[6]);
591 stat_calc_dist(ts->io_u_complete, ts->total_complete, io_u_dist);
592 log_info(" complete : 0=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%, 16=%3.1f%%,"
593 " 32=%3.1f%%, 64=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0],
594 io_u_dist[1], io_u_dist[2],
595 io_u_dist[3], io_u_dist[4],
596 io_u_dist[5], io_u_dist[6]);
597 log_info(" issued : total=r=%lu/w=%lu/d=%lu,"
598 " short=r=%lu/w=%lu/d=%lu\n",
599 ts->total_io_u[0], ts->total_io_u[1],
601 ts->short_io_u[0], ts->short_io_u[1],
603 if (ts->continue_on_error) {
604 log_info(" errors : total=%lu, first_error=%d/<%s>\n",
607 strerror(ts->first_error));
611 static void show_ddir_status_terse(struct thread_stat *ts,
612 struct group_run_stats *rs, int ddir)
614 unsigned long min, max;
615 unsigned long long bw, iops;
616 unsigned int *ovals = NULL;
618 unsigned int len, minv, maxv;
621 assert(ddir_rw(ddir));
624 if (ts->runtime[ddir]) {
625 uint64_t runt = ts->runtime[ddir];
627 bw = ((1000 * ts->io_bytes[ddir]) / runt) / 1024;
628 iops = (1000 * (uint64_t) ts->total_io_u[ddir]) / runt;
631 log_info(";%llu;%llu;%llu;%llu", ts->io_bytes[ddir] >> 10, bw, iops,
634 if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev))
635 log_info(";%lu;%lu;%f;%f", min, max, mean, dev);
637 log_info(";%lu;%lu;%f;%f", 0UL, 0UL, 0.0, 0.0);
639 if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev))
640 log_info(";%lu;%lu;%f;%f", min, max, mean, dev);
642 log_info(";%lu;%lu;%f;%f", 0UL, 0UL, 0.0, 0.0);
644 if (ts->clat_percentiles) {
645 len = calc_clat_percentiles(ts->io_u_plat[ddir],
646 ts->clat_stat[ddir].samples,
647 ts->percentile_list, &ovals, &maxv,
652 for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) {
657 log_info(";%2.2f%%=%u", ts->percentile_list[i].u.f, ovals[i]);
660 if (calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev))
661 log_info(";%lu;%lu;%f;%f", min, max, mean, dev);
663 log_info(";%lu;%lu;%f;%f", 0UL, 0UL, 0.0, 0.0);
668 if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) {
669 double p_of_agg = 100.0;
672 p_of_agg = mean * 100 / (double) rs->agg[ddir];
673 if (p_of_agg > 100.0)
677 log_info(";%lu;%lu;%f%%;%f;%f", min, max, p_of_agg, mean, dev);
679 log_info(";%lu;%lu;%f%%;%f;%f", 0UL, 0UL, 0.0, 0.0, 0.0);
682 static void add_ddir_status_json(struct thread_stat *ts,
683 struct group_run_stats *rs, int ddir, struct json_object *parent)
685 unsigned long min, max;
686 unsigned long long bw, iops;
687 unsigned int *ovals = NULL;
689 unsigned int len, minv, maxv;
691 const char *ddirname[] = {"read", "write", "trim"};
692 struct json_object *dir_object, *tmp_object, *percentile_object;
694 double p_of_agg = 100.0;
696 assert(ddir_rw(ddir));
698 dir_object = json_create_object();
699 json_object_add_value_object(parent, ddirname[ddir], dir_object);
702 if (ts->runtime[ddir]) {
703 uint64_t runt = ts->runtime[ddir];
705 bw = ((1000 * ts->io_bytes[ddir]) / runt) / 1024;
706 iops = (1000 * (uint64_t) ts->total_io_u[ddir]) / runt;
709 json_object_add_value_int(dir_object, "io_bytes", ts->io_bytes[ddir] >> 10);
710 json_object_add_value_int(dir_object, "bw", bw);
711 json_object_add_value_int(dir_object, "iops", iops);
712 json_object_add_value_int(dir_object, "runtime", ts->runtime[ddir]);
714 if (!calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev)) {
718 tmp_object = json_create_object();
719 json_object_add_value_object(dir_object, "slat", tmp_object);
720 json_object_add_value_int(tmp_object, "min", min);
721 json_object_add_value_int(tmp_object, "max", max);
722 json_object_add_value_float(tmp_object, "mean", mean);
723 json_object_add_value_float(tmp_object, "stddev", dev);
725 if (!calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev)) {
729 tmp_object = json_create_object();
730 json_object_add_value_object(dir_object, "clat", tmp_object);
731 json_object_add_value_int(tmp_object, "min", min);
732 json_object_add_value_int(tmp_object, "max", max);
733 json_object_add_value_float(tmp_object, "mean", mean);
734 json_object_add_value_float(tmp_object, "stddev", dev);
736 if (ts->clat_percentiles) {
737 len = calc_clat_percentiles(ts->io_u_plat[ddir],
738 ts->clat_stat[ddir].samples,
739 ts->percentile_list, &ovals, &maxv,
744 percentile_object = json_create_object();
745 json_object_add_value_object(tmp_object, "percentile", percentile_object);
746 for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) {
748 json_object_add_value_int(percentile_object, "0.00", 0);
751 snprintf(buf, sizeof(buf) - 1, "%2.2f", ts->percentile_list[i].u.f);
752 json_object_add_value_int(percentile_object, (const char *)buf, ovals[i]);
755 if (!calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev)) {
759 tmp_object = json_create_object();
760 json_object_add_value_object(dir_object, "lat", tmp_object);
761 json_object_add_value_int(tmp_object, "min", min);
762 json_object_add_value_int(tmp_object, "max", max);
763 json_object_add_value_float(tmp_object, "mean", mean);
764 json_object_add_value_float(tmp_object, "stddev", dev);
768 if (!calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) {
770 p_of_agg = mean * 100 / (double) rs->agg[ddir];
771 if (p_of_agg > 100.0)
776 p_of_agg = mean = dev = 0.0;
778 json_object_add_value_int(dir_object, "bw_min", min);
779 json_object_add_value_int(dir_object, "bw_max", max);
780 json_object_add_value_float(dir_object, "bw_agg", mean);
781 json_object_add_value_float(dir_object, "bw_mean", mean);
782 json_object_add_value_float(dir_object, "bw_dev", dev);
785 static void show_thread_status_terse_v2(struct thread_stat *ts,
786 struct group_run_stats *rs)
788 double io_u_dist[FIO_IO_U_MAP_NR];
789 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
790 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
791 double usr_cpu, sys_cpu;
795 log_info("2;%s;%d;%d", ts->name, ts->groupid, ts->error);
796 /* Log Read Status */
797 show_ddir_status_terse(ts, rs, DDIR_READ);
798 /* Log Write Status */
799 show_ddir_status_terse(ts, rs, DDIR_WRITE);
800 /* Log Trim Status */
801 show_ddir_status_terse(ts, rs, DDIR_TRIM);
804 if (ts->total_run_time) {
805 double runt = (double) ts->total_run_time;
807 usr_cpu = (double) ts->usr_time * 100 / runt;
808 sys_cpu = (double) ts->sys_time * 100 / runt;
814 log_info(";%f%%;%f%%;%lu;%lu;%lu", usr_cpu, sys_cpu, ts->ctx, ts->majf,
817 /* Calc % distribution of IO depths, usecond, msecond latency */
818 stat_calc_dist(ts->io_u_map, ts_total_io_u(ts), io_u_dist);
819 stat_calc_lat_u(ts, io_u_lat_u);
820 stat_calc_lat_m(ts, io_u_lat_m);
822 /* Only show fixed 7 I/O depth levels*/
823 log_info(";%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%",
824 io_u_dist[0], io_u_dist[1], io_u_dist[2], io_u_dist[3],
825 io_u_dist[4], io_u_dist[5], io_u_dist[6]);
827 /* Microsecond latency */
828 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++)
829 log_info(";%3.2f%%", io_u_lat_u[i]);
830 /* Millisecond latency */
831 for (i = 0; i < FIO_IO_U_LAT_M_NR; i++)
832 log_info(";%3.2f%%", io_u_lat_m[i]);
833 /* Additional output if continue_on_error set - default off*/
834 if (ts->continue_on_error)
835 log_info(";%lu;%d", ts->total_err_count, ts->first_error);
838 /* Additional output if description is set */
840 log_info(";%s", ts->description);
845 static void show_thread_status_terse_v3_v4(struct thread_stat *ts,
846 struct group_run_stats *rs, int ver)
848 double io_u_dist[FIO_IO_U_MAP_NR];
849 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
850 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
851 double usr_cpu, sys_cpu;
855 log_info("%d;%s;%s;%d;%d", ver, fio_version_string,
856 ts->name, ts->groupid, ts->error);
857 /* Log Read Status */
858 show_ddir_status_terse(ts, rs, DDIR_READ);
859 /* Log Write Status */
860 show_ddir_status_terse(ts, rs, DDIR_WRITE);
861 /* Log Trim Status */
863 show_ddir_status_terse(ts, rs, DDIR_TRIM);
866 if (ts->total_run_time) {
867 double runt = (double) ts->total_run_time;
869 usr_cpu = (double) ts->usr_time * 100 / runt;
870 sys_cpu = (double) ts->sys_time * 100 / runt;
876 log_info(";%f%%;%f%%;%lu;%lu;%lu", usr_cpu, sys_cpu, ts->ctx, ts->majf,
879 /* Calc % distribution of IO depths, usecond, msecond latency */
880 stat_calc_dist(ts->io_u_map, ts_total_io_u(ts), io_u_dist);
881 stat_calc_lat_u(ts, io_u_lat_u);
882 stat_calc_lat_m(ts, io_u_lat_m);
884 /* Only show fixed 7 I/O depth levels*/
885 log_info(";%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%",
886 io_u_dist[0], io_u_dist[1], io_u_dist[2], io_u_dist[3],
887 io_u_dist[4], io_u_dist[5], io_u_dist[6]);
889 /* Microsecond latency */
890 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++)
891 log_info(";%3.2f%%", io_u_lat_u[i]);
892 /* Millisecond latency */
893 for (i = 0; i < FIO_IO_U_LAT_M_NR; i++)
894 log_info(";%3.2f%%", io_u_lat_m[i]);
896 /* disk util stats, if any */
897 show_disk_util(1, NULL);
899 /* Additional output if continue_on_error set - default off*/
900 if (ts->continue_on_error)
901 log_info(";%lu;%d", ts->total_err_count, ts->first_error);
903 /* Additional output if description is set */
904 if (strlen(ts->description))
905 log_info(";%s", ts->description);
910 static struct json_object *show_thread_status_json(struct thread_stat *ts,
911 struct group_run_stats *rs)
913 struct json_object *root, *tmp;
914 double io_u_dist[FIO_IO_U_MAP_NR];
915 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
916 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
917 double usr_cpu, sys_cpu;
920 root = json_create_object();
921 json_object_add_value_string(root, "jobname", ts->name);
922 json_object_add_value_int(root, "groupid", ts->groupid);
923 json_object_add_value_int(root, "error", ts->error);
925 add_ddir_status_json(ts, rs, DDIR_READ, root);
926 add_ddir_status_json(ts, rs, DDIR_WRITE, root);
927 add_ddir_status_json(ts, rs, DDIR_TRIM, root);
930 if (ts->total_run_time) {
931 double runt = (double) ts->total_run_time;
933 usr_cpu = (double) ts->usr_time * 100 / runt;
934 sys_cpu = (double) ts->sys_time * 100 / runt;
939 json_object_add_value_float(root, "usr_cpu", usr_cpu);
940 json_object_add_value_float(root, "sys_cpu", sys_cpu);
941 json_object_add_value_int(root, "ctx", ts->ctx);
942 json_object_add_value_int(root, "majf", ts->majf);
943 json_object_add_value_int(root, "minf", ts->minf);
946 /* Calc % distribution of IO depths, usecond, msecond latency */
947 stat_calc_dist(ts->io_u_map, ts_total_io_u(ts), io_u_dist);
948 stat_calc_lat_u(ts, io_u_lat_u);
949 stat_calc_lat_m(ts, io_u_lat_m);
951 tmp = json_create_object();
952 json_object_add_value_object(root, "iodepth_level", tmp);
953 /* Only show fixed 7 I/O depth levels*/
954 for (i = 0; i < 7; i++) {
957 snprintf(name, 19, "%d", 1 << i);
959 snprintf(name, 19, ">=%d", 1 << i);
960 json_object_add_value_float(tmp, (const char *)name, io_u_dist[i]);
963 tmp = json_create_object();
964 json_object_add_value_object(root, "latency_us", tmp);
965 /* Microsecond latency */
966 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) {
967 const char *ranges[] = { "2", "4", "10", "20", "50", "100",
968 "250", "500", "750", "1000", };
969 json_object_add_value_float(tmp, ranges[i], io_u_lat_u[i]);
971 /* Millisecond latency */
972 tmp = json_create_object();
973 json_object_add_value_object(root, "latency_ms", tmp);
974 for (i = 0; i < FIO_IO_U_LAT_M_NR; i++) {
975 const char *ranges[] = { "2", "4", "10", "20", "50", "100",
976 "250", "500", "750", "1000", "2000",
978 json_object_add_value_float(tmp, ranges[i], io_u_lat_m[i]);
981 /* Additional output if continue_on_error set - default off*/
982 if (ts->continue_on_error) {
983 json_object_add_value_int(root, "total_err", ts->total_err_count);
984 json_object_add_value_int(root, "total_err", ts->first_error);
987 /* Additional output if description is set */
988 if (strlen(ts->description))
989 json_object_add_value_string(root, "desc", ts->description);
994 static void show_thread_status_terse(struct thread_stat *ts,
995 struct group_run_stats *rs)
997 if (terse_version == 2)
998 show_thread_status_terse_v2(ts, rs);
999 else if (terse_version == 3 || terse_version == 4)
1000 show_thread_status_terse_v3_v4(ts, rs, terse_version);
1002 log_err("fio: bad terse version!? %d\n", terse_version);
1005 static void sum_stat(struct io_stat *dst, struct io_stat *src, int nr)
1009 if (src->samples == 0)
1012 dst->min_val = min(dst->min_val, src->min_val);
1013 dst->max_val = max(dst->max_val, src->max_val);
1016 * Compute new mean and S after the merge
1017 * <http://en.wikipedia.org/wiki/Algorithms_for_calculating_variance
1018 * #Parallel_algorithm>
1021 mean = src->mean.u.f;
1024 double delta = src->mean.u.f - dst->mean.u.f;
1026 mean = ((src->mean.u.f * src->samples) +
1027 (dst->mean.u.f * dst->samples)) /
1028 (dst->samples + src->samples);
1030 S = src->S.u.f + dst->S.u.f + pow(delta, 2.0) *
1031 (dst->samples * src->samples) /
1032 (dst->samples + src->samples);
1035 dst->samples += src->samples;
1036 dst->mean.u.f = mean;
1040 void sum_group_stats(struct group_run_stats *dst, struct group_run_stats *src)
1044 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
1045 if (dst->max_run[i] < src->max_run[i])
1046 dst->max_run[i] = src->max_run[i];
1047 if (dst->min_run[i] && dst->min_run[i] > src->min_run[i])
1048 dst->min_run[i] = src->min_run[i];
1049 if (dst->max_bw[i] < src->max_bw[i])
1050 dst->max_bw[i] = src->max_bw[i];
1051 if (dst->min_bw[i] && dst->min_bw[i] > src->min_bw[i])
1052 dst->min_bw[i] = src->min_bw[i];
1054 dst->io_kb[i] += src->io_kb[i];
1055 dst->agg[i] += src->agg[i];
1060 void sum_thread_stats(struct thread_stat *dst, struct thread_stat *src, int nr)
1064 for (l = 0; l < DDIR_RWDIR_CNT; l++) {
1065 sum_stat(&dst->clat_stat[l], &src->clat_stat[l], nr);
1066 sum_stat(&dst->slat_stat[l], &src->slat_stat[l], nr);
1067 sum_stat(&dst->lat_stat[l], &src->lat_stat[l], nr);
1068 sum_stat(&dst->bw_stat[l], &src->bw_stat[l], nr);
1070 dst->io_bytes[l] += src->io_bytes[l];
1072 if (dst->runtime[l] < src->runtime[l])
1073 dst->runtime[l] = src->runtime[l];
1076 dst->usr_time += src->usr_time;
1077 dst->sys_time += src->sys_time;
1078 dst->ctx += src->ctx;
1079 dst->majf += src->majf;
1080 dst->minf += src->minf;
1082 for (k = 0; k < FIO_IO_U_MAP_NR; k++)
1083 dst->io_u_map[k] += src->io_u_map[k];
1084 for (k = 0; k < FIO_IO_U_MAP_NR; k++)
1085 dst->io_u_submit[k] += src->io_u_submit[k];
1086 for (k = 0; k < FIO_IO_U_MAP_NR; k++)
1087 dst->io_u_complete[k] += src->io_u_complete[k];
1088 for (k = 0; k < FIO_IO_U_LAT_U_NR; k++)
1089 dst->io_u_lat_u[k] += src->io_u_lat_u[k];
1090 for (k = 0; k < FIO_IO_U_LAT_M_NR; k++)
1091 dst->io_u_lat_m[k] += src->io_u_lat_m[k];
1093 for (k = 0; k < DDIR_RWDIR_CNT; k++) {
1094 dst->total_io_u[k] += src->total_io_u[k];
1095 dst->short_io_u[k] += src->short_io_u[k];
1098 for (k = 0; k < DDIR_RWDIR_CNT; k++) {
1100 for (m = 0; m < FIO_IO_U_PLAT_NR; m++)
1101 dst->io_u_plat[k][m] += src->io_u_plat[k][m];
1104 dst->total_run_time += src->total_run_time;
1105 dst->total_submit += src->total_submit;
1106 dst->total_complete += src->total_complete;
1109 void init_group_run_stat(struct group_run_stats *gs)
1112 memset(gs, 0, sizeof(*gs));
1114 for (i = 0; i < DDIR_RWDIR_CNT; i++)
1115 gs->min_bw[i] = gs->min_run[i] = ~0UL;
1118 void init_thread_stat(struct thread_stat *ts)
1122 memset(ts, 0, sizeof(*ts));
1124 for (j = 0; j < DDIR_RWDIR_CNT; j++) {
1125 ts->lat_stat[j].min_val = -1UL;
1126 ts->clat_stat[j].min_val = -1UL;
1127 ts->slat_stat[j].min_val = -1UL;
1128 ts->bw_stat[j].min_val = -1UL;
1133 void show_run_stats(void)
1135 struct group_run_stats *runstats, *rs;
1136 struct thread_data *td;
1137 struct thread_stat *threadstats, *ts;
1138 int i, j, nr_ts, last_ts, idx;
1139 int kb_base_warned = 0;
1140 struct json_object *root = NULL;
1141 struct json_array *array = NULL;
1143 runstats = malloc(sizeof(struct group_run_stats) * (groupid + 1));
1145 for (i = 0; i < groupid + 1; i++)
1146 init_group_run_stat(&runstats[i]);
1149 * find out how many threads stats we need. if group reporting isn't
1150 * enabled, it's one-per-td.
1154 for_each_td(td, i) {
1155 if (!td->o.group_reporting) {
1159 if (last_ts == td->groupid)
1162 last_ts = td->groupid;
1166 threadstats = malloc(nr_ts * sizeof(struct thread_stat));
1168 for (i = 0; i < nr_ts; i++)
1169 init_thread_stat(&threadstats[i]);
1174 for_each_td(td, i) {
1175 if (idx && (!td->o.group_reporting ||
1176 (td->o.group_reporting && last_ts != td->groupid))) {
1181 last_ts = td->groupid;
1183 ts = &threadstats[j];
1185 ts->clat_percentiles = td->o.clat_percentiles;
1186 if (td->o.overwrite_plist)
1187 memcpy(ts->percentile_list, td->o.percentile_list, sizeof(td->o.percentile_list));
1189 memcpy(ts->percentile_list, def_percentile_list, sizeof(def_percentile_list));
1194 if (ts->groupid == -1) {
1196 * These are per-group shared already
1198 strncpy(ts->name, td->o.name, FIO_JOBNAME_SIZE);
1199 if (td->o.description)
1200 strncpy(ts->description, td->o.description,
1203 memset(ts->description, 0, FIO_JOBNAME_SIZE);
1205 ts->groupid = td->groupid;
1208 * first pid in group, not very useful...
1212 ts->kb_base = td->o.kb_base;
1213 } else if (ts->kb_base != td->o.kb_base && !kb_base_warned) {
1214 log_info("fio: kb_base differs for jobs in group, using"
1215 " %u as the base\n", ts->kb_base);
1219 ts->continue_on_error = td->o.continue_on_error;
1220 ts->total_err_count += td->total_err_count;
1221 ts->first_error = td->first_error;
1223 if (!td->error && td->o.continue_on_error &&
1225 ts->error = td->first_error;
1226 strcpy(ts->verror, td->verror);
1227 } else if (td->error) {
1228 ts->error = td->error;
1229 strcpy(ts->verror, td->verror);
1233 sum_thread_stats(ts, &td->ts, idx);
1236 for (i = 0; i < nr_ts; i++) {
1237 unsigned long long bw;
1239 ts = &threadstats[i];
1240 rs = &runstats[ts->groupid];
1241 rs->kb_base = ts->kb_base;
1243 for (j = 0; j < DDIR_RWDIR_CNT; j++) {
1244 if (!ts->runtime[j])
1246 if (ts->runtime[j] < rs->min_run[j] || !rs->min_run[j])
1247 rs->min_run[j] = ts->runtime[j];
1248 if (ts->runtime[j] > rs->max_run[j])
1249 rs->max_run[j] = ts->runtime[j];
1252 if (ts->runtime[j]) {
1253 unsigned long runt = ts->runtime[j];
1254 unsigned long long kb;
1256 kb = ts->io_bytes[j] / rs->kb_base;
1257 bw = kb * 1000 / runt;
1259 if (bw < rs->min_bw[j])
1261 if (bw > rs->max_bw[j])
1264 rs->io_kb[j] += ts->io_bytes[j] / rs->kb_base;
1268 for (i = 0; i < groupid + 1; i++) {
1273 for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++) {
1274 if (rs->max_run[ddir])
1275 rs->agg[ddir] = (rs->io_kb[ddir] * 1000) /
1281 * don't overwrite last signal output
1283 if (output_format == FIO_OUTPUT_NORMAL)
1285 else if (output_format == FIO_OUTPUT_JSON) {
1286 root = json_create_object();
1287 json_object_add_value_string(root, "fio version", fio_version_string);
1288 array = json_create_array();
1289 json_object_add_value_array(root, "jobs", array);
1292 for (i = 0; i < nr_ts; i++) {
1293 ts = &threadstats[i];
1294 rs = &runstats[ts->groupid];
1297 fio_server_send_ts(ts, rs);
1298 else if (output_format == FIO_OUTPUT_TERSE)
1299 show_thread_status_terse(ts, rs);
1300 else if (output_format == FIO_OUTPUT_JSON) {
1301 struct json_object *tmp = show_thread_status_json(ts, rs);
1302 json_array_add_value_object(array, tmp);
1304 show_thread_status(ts, rs);
1306 if (output_format == FIO_OUTPUT_JSON) {
1307 /* disk util stats, if any */
1308 show_disk_util(1, root);
1310 json_print_object(root);
1312 json_free_object(root);
1315 for (i = 0; i < groupid + 1; i++) {
1320 fio_server_send_gs(rs);
1321 else if (output_format == FIO_OUTPUT_NORMAL)
1322 show_group_stats(rs);
1326 fio_server_send_du();
1327 else if (output_format == FIO_OUTPUT_NORMAL)
1328 show_disk_util(0, NULL);
1334 static void *__show_running_run_stats(void *arg)
1336 struct thread_data *td;
1337 unsigned long long *rt;
1341 rt = malloc(thread_number * sizeof(unsigned long long));
1342 fio_gettime(&tv, NULL);
1344 for_each_td(td, i) {
1345 rt[i] = mtime_since(&td->start, &tv);
1346 if (td_read(td) && td->io_bytes[DDIR_READ])
1347 td->ts.runtime[DDIR_READ] += rt[i];
1348 if (td_write(td) && td->io_bytes[DDIR_WRITE])
1349 td->ts.runtime[DDIR_WRITE] += rt[i];
1350 if (td_trim(td) && td->io_bytes[DDIR_TRIM])
1351 td->ts.runtime[DDIR_TRIM] += rt[i];
1353 update_rusage_stat(td);
1354 td->ts.io_bytes[DDIR_READ] = td->io_bytes[DDIR_READ];
1355 td->ts.io_bytes[DDIR_WRITE] = td->io_bytes[DDIR_WRITE];
1356 td->ts.io_bytes[DDIR_TRIM] = td->io_bytes[DDIR_TRIM];
1357 td->ts.total_run_time = mtime_since(&td->epoch, &tv);
1362 for_each_td(td, i) {
1363 if (td_read(td) && td->io_bytes[DDIR_READ])
1364 td->ts.runtime[DDIR_READ] -= rt[i];
1365 if (td_write(td) && td->io_bytes[DDIR_WRITE])
1366 td->ts.runtime[DDIR_WRITE] -= rt[i];
1367 if (td_trim(td) && td->io_bytes[DDIR_TRIM])
1368 td->ts.runtime[DDIR_TRIM] -= rt[i];
1376 * Called from signal handler. It _should_ be safe to just run this inline
1377 * in the sig handler, but we should be disturbing the system less by just
1378 * creating a thread to do it.
1380 void show_running_run_stats(void)
1384 pthread_create(&thread, NULL, __show_running_run_stats, NULL);
1385 pthread_detach(thread);
1388 static inline void add_stat_sample(struct io_stat *is, unsigned long data)
1393 if (data > is->max_val)
1395 if (data < is->min_val)
1398 delta = val - is->mean.u.f;
1400 is->mean.u.f += delta / (is->samples + 1.0);
1401 is->S.u.f += delta * (val - is->mean.u.f);
1407 static void __add_log_sample(struct io_log *iolog, unsigned long val,
1408 enum fio_ddir ddir, unsigned int bs,
1411 const int nr_samples = iolog->nr_samples;
1413 if (!iolog->nr_samples)
1414 iolog->avg_last = t;
1416 if (iolog->nr_samples == iolog->max_samples) {
1417 int new_size = sizeof(struct io_sample) * iolog->max_samples*2;
1419 iolog->log = realloc(iolog->log, new_size);
1420 iolog->max_samples <<= 1;
1423 iolog->log[nr_samples].val = val;
1424 iolog->log[nr_samples].time = t;
1425 iolog->log[nr_samples].ddir = ddir;
1426 iolog->log[nr_samples].bs = bs;
1427 iolog->nr_samples++;
1430 static inline void reset_io_stat(struct io_stat *ios)
1432 ios->max_val = ios->min_val = ios->samples = 0;
1433 ios->mean.u.f = ios->S.u.f = 0;
1436 static void add_log_sample(struct thread_data *td, struct io_log *iolog,
1437 unsigned long val, enum fio_ddir ddir,
1440 unsigned long elapsed, this_window;
1445 elapsed = mtime_since_now(&td->epoch);
1448 * If no time averaging, just add the log sample.
1450 if (!iolog->avg_msec) {
1451 __add_log_sample(iolog, val, ddir, bs, elapsed);
1456 * Add the sample. If the time period has passed, then
1457 * add that entry to the log and clear.
1459 add_stat_sample(&iolog->avg_window[ddir], val);
1462 * If period hasn't passed, adding the above sample is all we
1465 this_window = elapsed - iolog->avg_last;
1466 if (this_window < iolog->avg_msec)
1470 * Note an entry in the log. Use the mean from the logged samples,
1471 * making sure to properly round up. Only write a log entry if we
1472 * had actual samples done.
1474 if (iolog->avg_window[DDIR_READ].samples) {
1477 mr = iolog->avg_window[DDIR_READ].mean.u.f + 0.50;
1478 __add_log_sample(iolog, mr, DDIR_READ, 0, elapsed);
1480 if (iolog->avg_window[DDIR_WRITE].samples) {
1483 mw = iolog->avg_window[DDIR_WRITE].mean.u.f + 0.50;
1484 __add_log_sample(iolog, mw, DDIR_WRITE, 0, elapsed);
1486 if (iolog->avg_window[DDIR_TRIM].samples) {
1489 mw = iolog->avg_window[DDIR_TRIM].mean.u.f + 0.50;
1490 __add_log_sample(iolog, mw, DDIR_TRIM, 0, elapsed);
1494 reset_io_stat(&iolog->avg_window[DDIR_READ]);
1495 reset_io_stat(&iolog->avg_window[DDIR_WRITE]);
1496 reset_io_stat(&iolog->avg_window[DDIR_TRIM]);
1497 iolog->avg_last = elapsed;
1500 void add_agg_sample(unsigned long val, enum fio_ddir ddir, unsigned int bs)
1502 struct io_log *iolog;
1507 iolog = agg_io_log[ddir];
1508 __add_log_sample(iolog, val, ddir, bs, mtime_since_genesis());
1511 static void add_clat_percentile_sample(struct thread_stat *ts,
1512 unsigned long usec, enum fio_ddir ddir)
1514 unsigned int idx = plat_val_to_idx(usec);
1515 assert(idx < FIO_IO_U_PLAT_NR);
1517 ts->io_u_plat[ddir][idx]++;
1520 void add_clat_sample(struct thread_data *td, enum fio_ddir ddir,
1521 unsigned long usec, unsigned int bs)
1523 struct thread_stat *ts = &td->ts;
1528 add_stat_sample(&ts->clat_stat[ddir], usec);
1531 add_log_sample(td, td->clat_log, usec, ddir, bs);
1533 if (ts->clat_percentiles)
1534 add_clat_percentile_sample(ts, usec, ddir);
1537 void add_slat_sample(struct thread_data *td, enum fio_ddir ddir,
1538 unsigned long usec, unsigned int bs)
1540 struct thread_stat *ts = &td->ts;
1545 add_stat_sample(&ts->slat_stat[ddir], usec);
1548 add_log_sample(td, td->slat_log, usec, ddir, bs);
1551 void add_lat_sample(struct thread_data *td, enum fio_ddir ddir,
1552 unsigned long usec, unsigned int bs)
1554 struct thread_stat *ts = &td->ts;
1559 add_stat_sample(&ts->lat_stat[ddir], usec);
1562 add_log_sample(td, td->lat_log, usec, ddir, bs);
1565 void add_bw_sample(struct thread_data *td, enum fio_ddir ddir, unsigned int bs,
1568 struct thread_stat *ts = &td->ts;
1569 unsigned long spent, rate;
1574 spent = mtime_since(&td->bw_sample_time, t);
1575 if (spent < td->o.bw_avg_time)
1579 * Compute both read and write rates for the interval.
1581 for (ddir = DDIR_READ; ddir < DDIR_RWDIR_CNT; ddir++) {
1584 delta = td->this_io_bytes[ddir] - td->stat_io_bytes[ddir];
1586 continue; /* No entries for interval */
1588 rate = delta * 1000 / spent / 1024;
1589 add_stat_sample(&ts->bw_stat[ddir], rate);
1592 add_log_sample(td, td->bw_log, rate, ddir, bs);
1594 td->stat_io_bytes[ddir] = td->this_io_bytes[ddir];
1597 fio_gettime(&td->bw_sample_time, NULL);
1600 void add_iops_sample(struct thread_data *td, enum fio_ddir ddir,
1603 struct thread_stat *ts = &td->ts;
1604 unsigned long spent, iops;
1609 spent = mtime_since(&td->iops_sample_time, t);
1610 if (spent < td->o.iops_avg_time)
1614 * Compute both read and write rates for the interval.
1616 for (ddir = DDIR_READ; ddir < DDIR_RWDIR_CNT; ddir++) {
1619 delta = td->this_io_blocks[ddir] - td->stat_io_blocks[ddir];
1621 continue; /* No entries for interval */
1623 iops = (delta * 1000) / spent;
1624 add_stat_sample(&ts->iops_stat[ddir], iops);
1627 add_log_sample(td, td->iops_log, iops, ddir, 0);
1629 td->stat_io_blocks[ddir] = td->this_io_blocks[ddir];
1632 fio_gettime(&td->iops_sample_time, NULL);