12 #include "lib/ieee754.h"
14 #include "lib/getrusage.h"
17 void update_rusage_stat(struct thread_data *td)
19 struct thread_stat *ts = &td->ts;
21 fio_getrusage(&td->ru_end);
22 ts->usr_time += mtime_since(&td->ru_start.ru_utime,
23 &td->ru_end.ru_utime);
24 ts->sys_time += mtime_since(&td->ru_start.ru_stime,
25 &td->ru_end.ru_stime);
26 ts->ctx += td->ru_end.ru_nvcsw + td->ru_end.ru_nivcsw
27 - (td->ru_start.ru_nvcsw + td->ru_start.ru_nivcsw);
28 ts->minf += td->ru_end.ru_minflt - td->ru_start.ru_minflt;
29 ts->majf += td->ru_end.ru_majflt - td->ru_start.ru_majflt;
31 memcpy(&td->ru_start, &td->ru_end, sizeof(td->ru_end));
35 * Given a latency, return the index of the corresponding bucket in
36 * the structure tracking percentiles.
38 * (1) find the group (and error bits) that the value (latency)
39 * belongs to by looking at its MSB. (2) find the bucket number in the
40 * group by looking at the index bits.
43 static unsigned int plat_val_to_idx(unsigned int val)
45 unsigned int msb, error_bits, base, offset, idx;
47 /* Find MSB starting from bit 0 */
51 msb = (sizeof(val)*8) - __builtin_clz(val) - 1;
54 * MSB <= (FIO_IO_U_PLAT_BITS-1), cannot be rounded off. Use
55 * all bits of the sample as index
57 if (msb <= FIO_IO_U_PLAT_BITS)
60 /* Compute the number of error bits to discard*/
61 error_bits = msb - FIO_IO_U_PLAT_BITS;
63 /* Compute the number of buckets before the group */
64 base = (error_bits + 1) << FIO_IO_U_PLAT_BITS;
67 * Discard the error bits and apply the mask to find the
68 * index for the buckets in the group
70 offset = (FIO_IO_U_PLAT_VAL - 1) & (val >> error_bits);
72 /* Make sure the index does not exceed (array size - 1) */
73 idx = (base + offset) < (FIO_IO_U_PLAT_NR - 1)?
74 (base + offset) : (FIO_IO_U_PLAT_NR - 1);
80 * Convert the given index of the bucket array to the value
81 * represented by the bucket
83 static unsigned int plat_idx_to_val(unsigned int idx)
85 unsigned int error_bits, k, base;
87 assert(idx < FIO_IO_U_PLAT_NR);
89 /* MSB <= (FIO_IO_U_PLAT_BITS-1), cannot be rounded off. Use
90 * all bits of the sample as index */
91 if (idx < (FIO_IO_U_PLAT_VAL << 1) )
94 /* Find the group and compute the minimum value of that group */
95 error_bits = (idx >> FIO_IO_U_PLAT_BITS) -1;
96 base = 1 << (error_bits + FIO_IO_U_PLAT_BITS);
98 /* Find its bucket number of the group */
99 k = idx % FIO_IO_U_PLAT_VAL;
101 /* Return the mean of the range of the bucket */
102 return base + ((k + 0.5) * (1 << error_bits));
105 static int double_cmp(const void *a, const void *b)
107 const fio_fp64_t fa = *(const fio_fp64_t *) a;
108 const fio_fp64_t fb = *(const fio_fp64_t *) b;
113 else if (fa.u.f < fb.u.f)
119 static unsigned int calc_clat_percentiles(unsigned int *io_u_plat,
120 unsigned long nr, fio_fp64_t *plist,
121 unsigned int **output,
125 unsigned long sum = 0;
126 unsigned int len, i, j = 0;
127 unsigned int oval_len = 0;
128 unsigned int *ovals = NULL;
135 while (len < FIO_IO_U_LIST_MAX_LEN && plist[len].u.f != 0.0)
142 * Sort the percentile list. Note that it may already be sorted if
143 * we are using the default values, but since it's a short list this
144 * isn't a worry. Also note that this does not work for NaN values.
147 qsort((void*)plist, len, sizeof(plist[0]), double_cmp);
150 * Calculate bucket values, note down max and min values
153 for (i = 0; i < FIO_IO_U_PLAT_NR && !is_last; i++) {
155 while (sum >= (plist[j].u.f / 100.0 * nr)) {
156 assert(plist[j].u.f <= 100.0);
160 ovals = realloc(ovals, oval_len * sizeof(unsigned int));
163 ovals[j] = plat_idx_to_val(i);
164 if (ovals[j] < *minv)
166 if (ovals[j] > *maxv)
169 is_last = (j == len - 1);
182 * Find and display the p-th percentile of clat
184 static void show_clat_percentiles(unsigned int *io_u_plat, unsigned long nr,
187 unsigned int len, j = 0, minv, maxv;
189 int is_last, scale_down;
191 len = calc_clat_percentiles(io_u_plat, nr, plist, &ovals, &maxv, &minv);
196 * We default to usecs, but if the value range is such that we
197 * should scale down to msecs, do that.
199 if (minv > 2000 && maxv > 99999) {
201 log_info(" clat percentiles (msec):\n |");
204 log_info(" clat percentiles (usec):\n |");
207 for (j = 0; j < len; j++) {
211 if (j != 0 && (j % 4) == 0)
214 /* end of the list */
215 is_last = (j == len - 1);
217 if (plist[j].u.f < 10.0)
218 sprintf(fbuf, " %2.2f", plist[j].u.f);
220 sprintf(fbuf, "%2.2f", plist[j].u.f);
223 ovals[j] = (ovals[j] + 999) / 1000;
225 log_info(" %sth=[%5u]%c", fbuf, ovals[j], is_last ? '\n' : ',');
230 if (j % 4 == 3) /* for formatting */
239 static int calc_lat(struct io_stat *is, unsigned long *min, unsigned long *max,
240 double *mean, double *dev)
242 double n = is->samples;
244 if (is->samples == 0)
250 n = (double) is->samples;
251 *mean = is->mean.u.f;
254 *dev = sqrt(is->S.u.f / (n - 1.0));
261 void show_group_stats(struct group_run_stats *rs)
263 char *p1, *p2, *p3, *p4;
264 const char *ddir_str[] = { " READ", " WRITE" , " TRIM"};
267 log_info("\nRun status group %d (all jobs):\n", rs->groupid);
269 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
270 const int i2p = is_power_of_2(rs->kb_base);
275 p1 = num2str(rs->io_kb[i], 6, rs->kb_base, i2p);
276 p2 = num2str(rs->agg[i], 6, rs->kb_base, i2p);
277 p3 = num2str(rs->min_bw[i], 6, rs->kb_base, i2p);
278 p4 = num2str(rs->max_bw[i], 6, rs->kb_base, i2p);
280 log_info("%s: io=%sB, aggrb=%sB/s, minb=%sB/s, maxb=%sB/s,"
281 " mint=%llumsec, maxt=%llumsec\n",
282 rs->unified_rw_rep ? " MIXED" : ddir_str[i],
283 p1, p2, p3, p4, rs->min_run[i], rs->max_run[i]);
292 #define ts_total_io_u(ts) \
293 ((ts)->total_io_u[DDIR_READ] + (ts)->total_io_u[DDIR_WRITE] +\
294 (ts)->total_io_u[DDIR_TRIM])
296 static void stat_calc_dist(unsigned int *map, unsigned long total,
302 * Do depth distribution calculations
304 for (i = 0; i < FIO_IO_U_MAP_NR; i++) {
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])
315 static void stat_calc_lat(struct thread_stat *ts, double *dst,
316 unsigned int *src, int nr)
318 unsigned long total = ts_total_io_u(ts);
322 * Do latency distribution calculations
324 for (i = 0; i < nr; i++) {
326 dst[i] = (double) src[i] / (double) total;
328 if (dst[i] < 0.01 && src[i])
335 static void stat_calc_lat_u(struct thread_stat *ts, double *io_u_lat)
337 stat_calc_lat(ts, io_u_lat, ts->io_u_lat_u, FIO_IO_U_LAT_U_NR);
340 static void stat_calc_lat_m(struct thread_stat *ts, double *io_u_lat)
342 stat_calc_lat(ts, io_u_lat, ts->io_u_lat_m, FIO_IO_U_LAT_M_NR);
345 static int usec_to_msec(unsigned long *min, unsigned long *max, double *mean,
348 if (*min > 1000 && *max > 1000 && *mean > 1000.0 && *dev > 1000.0) {
359 static void show_ddir_status(struct group_run_stats *rs, struct thread_stat *ts,
362 const char *ddir_str[] = { "read ", "write", "trim" };
363 unsigned long min, max, runt;
364 unsigned long long bw, iops;
366 char *io_p, *bw_p, *iops_p;
369 assert(ddir_rw(ddir));
371 if (!ts->runtime[ddir])
374 i2p = is_power_of_2(rs->kb_base);
375 runt = ts->runtime[ddir];
377 bw = (1000 * ts->io_bytes[ddir]) / runt;
378 io_p = num2str(ts->io_bytes[ddir], 6, 1, i2p);
379 bw_p = num2str(bw, 6, 1, i2p);
381 iops = (1000 * (uint64_t)ts->total_io_u[ddir]) / runt;
382 iops_p = num2str(iops, 6, 1, 0);
384 log_info(" %s: io=%sB, bw=%sB/s, iops=%s, runt=%6llumsec\n",
385 rs->unified_rw_rep ? "mixed" : ddir_str[ddir],
386 io_p, bw_p, iops_p, ts->runtime[ddir]);
392 if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev)) {
393 const char *base = "(usec)";
396 if (!usec_to_msec(&min, &max, &mean, &dev))
399 minp = num2str(min, 6, 1, 0);
400 maxp = num2str(max, 6, 1, 0);
402 log_info(" slat %s: min=%s, max=%s, avg=%5.02f,"
403 " stdev=%5.02f\n", base, minp, maxp, mean, dev);
408 if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev)) {
409 const char *base = "(usec)";
412 if (!usec_to_msec(&min, &max, &mean, &dev))
415 minp = num2str(min, 6, 1, 0);
416 maxp = num2str(max, 6, 1, 0);
418 log_info(" clat %s: min=%s, max=%s, avg=%5.02f,"
419 " stdev=%5.02f\n", base, minp, maxp, mean, dev);
424 if (calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev)) {
425 const char *base = "(usec)";
428 if (!usec_to_msec(&min, &max, &mean, &dev))
431 minp = num2str(min, 6, 1, 0);
432 maxp = num2str(max, 6, 1, 0);
434 log_info(" lat %s: min=%s, max=%s, avg=%5.02f,"
435 " stdev=%5.02f\n", base, minp, maxp, mean, dev);
440 if (ts->clat_percentiles) {
441 show_clat_percentiles(ts->io_u_plat[ddir],
442 ts->clat_stat[ddir].samples,
443 ts->percentile_list);
445 if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) {
446 double p_of_agg = 100.0;
447 const char *bw_str = "KB";
450 p_of_agg = mean * 100 / (double) rs->agg[ddir];
451 if (p_of_agg > 100.0)
455 if (mean > 999999.9) {
463 log_info(" bw (%s/s) : min=%5lu, max=%5lu, per=%3.2f%%,"
464 " avg=%5.02f, stdev=%5.02f\n", bw_str, min, max,
465 p_of_agg, mean, dev);
469 static int show_lat(double *io_u_lat, int nr, const char **ranges,
472 int new_line = 1, i, line = 0, shown = 0;
474 for (i = 0; i < nr; i++) {
475 if (io_u_lat[i] <= 0.0)
481 log_info(" lat (%s) : ", msg);
487 log_info("%s%3.2f%%", ranges[i], io_u_lat[i]);
499 static void show_lat_u(double *io_u_lat_u)
501 const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=",
502 "250=", "500=", "750=", "1000=", };
504 show_lat(io_u_lat_u, FIO_IO_U_LAT_U_NR, ranges, "usec");
507 static void show_lat_m(double *io_u_lat_m)
509 const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=",
510 "250=", "500=", "750=", "1000=", "2000=",
513 show_lat(io_u_lat_m, FIO_IO_U_LAT_M_NR, ranges, "msec");
516 static void show_latencies(double *io_u_lat_u, double *io_u_lat_m)
518 show_lat_u(io_u_lat_u);
519 show_lat_m(io_u_lat_m);
522 void show_thread_status(struct thread_stat *ts, struct group_run_stats *rs)
524 double usr_cpu, sys_cpu;
525 unsigned long runtime;
526 double io_u_dist[FIO_IO_U_MAP_NR];
527 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
528 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
532 if (!(ts->io_bytes[DDIR_READ] + ts->io_bytes[DDIR_WRITE] +
533 ts->io_bytes[DDIR_TRIM]) && !(ts->total_io_u[DDIR_READ] +
534 ts->total_io_u[DDIR_WRITE] + ts->total_io_u[DDIR_TRIM]))
538 os_ctime_r((const time_t *) &time_p, time_buf, sizeof(time_buf));
541 log_info("%s: (groupid=%d, jobs=%d): err=%2d: pid=%d: %s",
542 ts->name, ts->groupid, ts->members,
543 ts->error, (int) ts->pid, time_buf);
545 log_info("%s: (groupid=%d, jobs=%d): err=%2d (%s): pid=%d: %s",
546 ts->name, ts->groupid, ts->members,
547 ts->error, ts->verror, (int) ts->pid,
551 if (strlen(ts->description))
552 log_info(" Description : [%s]\n", ts->description);
554 if (ts->io_bytes[DDIR_READ])
555 show_ddir_status(rs, ts, DDIR_READ);
556 if (ts->io_bytes[DDIR_WRITE])
557 show_ddir_status(rs, ts, DDIR_WRITE);
558 if (ts->io_bytes[DDIR_TRIM])
559 show_ddir_status(rs, ts, DDIR_TRIM);
561 stat_calc_lat_u(ts, io_u_lat_u);
562 stat_calc_lat_m(ts, io_u_lat_m);
563 show_latencies(io_u_lat_u, io_u_lat_m);
565 runtime = ts->total_run_time;
567 double runt = (double) runtime;
569 usr_cpu = (double) ts->usr_time * 100 / runt;
570 sys_cpu = (double) ts->sys_time * 100 / runt;
576 log_info(" cpu : usr=%3.2f%%, sys=%3.2f%%, ctx=%lu, majf=%lu,"
577 " minf=%lu\n", usr_cpu, sys_cpu, ts->ctx, ts->majf, ts->minf);
579 stat_calc_dist(ts->io_u_map, ts_total_io_u(ts), io_u_dist);
580 log_info(" IO depths : 1=%3.1f%%, 2=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%,"
581 " 16=%3.1f%%, 32=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0],
582 io_u_dist[1], io_u_dist[2],
583 io_u_dist[3], io_u_dist[4],
584 io_u_dist[5], io_u_dist[6]);
586 stat_calc_dist(ts->io_u_submit, ts->total_submit, io_u_dist);
587 log_info(" submit : 0=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%, 16=%3.1f%%,"
588 " 32=%3.1f%%, 64=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0],
589 io_u_dist[1], io_u_dist[2],
590 io_u_dist[3], io_u_dist[4],
591 io_u_dist[5], io_u_dist[6]);
592 stat_calc_dist(ts->io_u_complete, ts->total_complete, io_u_dist);
593 log_info(" complete : 0=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%, 16=%3.1f%%,"
594 " 32=%3.1f%%, 64=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0],
595 io_u_dist[1], io_u_dist[2],
596 io_u_dist[3], io_u_dist[4],
597 io_u_dist[5], io_u_dist[6]);
598 log_info(" issued : total=r=%lu/w=%lu/d=%lu,"
599 " short=r=%lu/w=%lu/d=%lu\n",
600 ts->total_io_u[0], ts->total_io_u[1],
602 ts->short_io_u[0], ts->short_io_u[1],
604 if (ts->continue_on_error) {
605 log_info(" errors : total=%lu, first_error=%d/<%s>\n",
608 strerror(ts->first_error));
612 static void show_ddir_status_terse(struct thread_stat *ts,
613 struct group_run_stats *rs, int ddir)
615 unsigned long min, max;
616 unsigned long long bw, iops;
617 unsigned int *ovals = NULL;
619 unsigned int len, minv, maxv;
622 assert(ddir_rw(ddir));
625 if (ts->runtime[ddir]) {
626 uint64_t runt = ts->runtime[ddir];
628 bw = ((1000 * ts->io_bytes[ddir]) / runt) / 1024;
629 iops = (1000 * (uint64_t) ts->total_io_u[ddir]) / runt;
632 log_info(";%llu;%llu;%llu;%llu", ts->io_bytes[ddir] >> 10, bw, iops,
635 if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev))
636 log_info(";%lu;%lu;%f;%f", min, max, mean, dev);
638 log_info(";%lu;%lu;%f;%f", 0UL, 0UL, 0.0, 0.0);
640 if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev))
641 log_info(";%lu;%lu;%f;%f", min, max, mean, dev);
643 log_info(";%lu;%lu;%f;%f", 0UL, 0UL, 0.0, 0.0);
645 if (ts->clat_percentiles) {
646 len = calc_clat_percentiles(ts->io_u_plat[ddir],
647 ts->clat_stat[ddir].samples,
648 ts->percentile_list, &ovals, &maxv,
653 for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) {
658 log_info(";%2.2f%%=%u", ts->percentile_list[i].u.f, ovals[i]);
661 if (calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev))
662 log_info(";%lu;%lu;%f;%f", min, max, mean, dev);
664 log_info(";%lu;%lu;%f;%f", 0UL, 0UL, 0.0, 0.0);
669 if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) {
670 double p_of_agg = 100.0;
673 p_of_agg = mean * 100 / (double) rs->agg[ddir];
674 if (p_of_agg > 100.0)
678 log_info(";%lu;%lu;%f%%;%f;%f", min, max, p_of_agg, mean, dev);
680 log_info(";%lu;%lu;%f%%;%f;%f", 0UL, 0UL, 0.0, 0.0, 0.0);
683 static void add_ddir_status_json(struct thread_stat *ts,
684 struct group_run_stats *rs, int ddir, struct json_object *parent)
686 unsigned long min, max;
687 unsigned long long bw, iops;
688 unsigned int *ovals = NULL;
690 unsigned int len, minv, maxv;
692 const char *ddirname[] = {"read", "write", "trim"};
693 struct json_object *dir_object, *tmp_object, *percentile_object;
695 double p_of_agg = 100.0;
697 assert(ddir_rw(ddir));
699 if (ts->unified_rw_rep && ddir != DDIR_READ)
702 dir_object = json_create_object();
703 json_object_add_value_object(parent,
704 ts->unified_rw_rep ? "mixed" : ddirname[ddir], dir_object);
707 if (ts->runtime[ddir]) {
708 uint64_t runt = ts->runtime[ddir];
710 bw = ((1000 * ts->io_bytes[ddir]) / runt) / 1024;
711 iops = (1000 * (uint64_t) ts->total_io_u[ddir]) / runt;
714 json_object_add_value_int(dir_object, "io_bytes", ts->io_bytes[ddir] >> 10);
715 json_object_add_value_int(dir_object, "bw", bw);
716 json_object_add_value_int(dir_object, "iops", iops);
717 json_object_add_value_int(dir_object, "runtime", ts->runtime[ddir]);
719 if (!calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev)) {
723 tmp_object = json_create_object();
724 json_object_add_value_object(dir_object, "slat", tmp_object);
725 json_object_add_value_int(tmp_object, "min", min);
726 json_object_add_value_int(tmp_object, "max", max);
727 json_object_add_value_float(tmp_object, "mean", mean);
728 json_object_add_value_float(tmp_object, "stddev", dev);
730 if (!calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev)) {
734 tmp_object = json_create_object();
735 json_object_add_value_object(dir_object, "clat", tmp_object);
736 json_object_add_value_int(tmp_object, "min", min);
737 json_object_add_value_int(tmp_object, "max", max);
738 json_object_add_value_float(tmp_object, "mean", mean);
739 json_object_add_value_float(tmp_object, "stddev", dev);
741 if (ts->clat_percentiles) {
742 len = calc_clat_percentiles(ts->io_u_plat[ddir],
743 ts->clat_stat[ddir].samples,
744 ts->percentile_list, &ovals, &maxv,
749 percentile_object = json_create_object();
750 json_object_add_value_object(tmp_object, "percentile", percentile_object);
751 for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) {
753 json_object_add_value_int(percentile_object, "0.00", 0);
756 snprintf(buf, sizeof(buf), "%2.2f", ts->percentile_list[i].u.f);
757 json_object_add_value_int(percentile_object, (const char *)buf, ovals[i]);
760 if (!calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev)) {
764 tmp_object = json_create_object();
765 json_object_add_value_object(dir_object, "lat", tmp_object);
766 json_object_add_value_int(tmp_object, "min", min);
767 json_object_add_value_int(tmp_object, "max", max);
768 json_object_add_value_float(tmp_object, "mean", mean);
769 json_object_add_value_float(tmp_object, "stddev", dev);
773 if (!calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) {
775 p_of_agg = mean * 100 / (double) rs->agg[ddir];
776 if (p_of_agg > 100.0)
781 p_of_agg = mean = dev = 0.0;
783 json_object_add_value_int(dir_object, "bw_min", min);
784 json_object_add_value_int(dir_object, "bw_max", max);
785 json_object_add_value_float(dir_object, "bw_agg", mean);
786 json_object_add_value_float(dir_object, "bw_mean", mean);
787 json_object_add_value_float(dir_object, "bw_dev", dev);
790 static void show_thread_status_terse_v2(struct thread_stat *ts,
791 struct group_run_stats *rs)
793 double io_u_dist[FIO_IO_U_MAP_NR];
794 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
795 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
796 double usr_cpu, sys_cpu;
800 log_info("2;%s;%d;%d", ts->name, ts->groupid, ts->error);
801 /* Log Read Status */
802 show_ddir_status_terse(ts, rs, DDIR_READ);
803 /* Log Write Status */
804 show_ddir_status_terse(ts, rs, DDIR_WRITE);
805 /* Log Trim Status */
806 show_ddir_status_terse(ts, rs, DDIR_TRIM);
809 if (ts->total_run_time) {
810 double runt = (double) ts->total_run_time;
812 usr_cpu = (double) ts->usr_time * 100 / runt;
813 sys_cpu = (double) ts->sys_time * 100 / runt;
819 log_info(";%f%%;%f%%;%lu;%lu;%lu", usr_cpu, sys_cpu, ts->ctx, ts->majf,
822 /* Calc % distribution of IO depths, usecond, msecond latency */
823 stat_calc_dist(ts->io_u_map, ts_total_io_u(ts), io_u_dist);
824 stat_calc_lat_u(ts, io_u_lat_u);
825 stat_calc_lat_m(ts, io_u_lat_m);
827 /* Only show fixed 7 I/O depth levels*/
828 log_info(";%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%",
829 io_u_dist[0], io_u_dist[1], io_u_dist[2], io_u_dist[3],
830 io_u_dist[4], io_u_dist[5], io_u_dist[6]);
832 /* Microsecond latency */
833 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++)
834 log_info(";%3.2f%%", io_u_lat_u[i]);
835 /* Millisecond latency */
836 for (i = 0; i < FIO_IO_U_LAT_M_NR; i++)
837 log_info(";%3.2f%%", io_u_lat_m[i]);
838 /* Additional output if continue_on_error set - default off*/
839 if (ts->continue_on_error)
840 log_info(";%lu;%d", ts->total_err_count, ts->first_error);
843 /* Additional output if description is set */
845 log_info(";%s", ts->description);
850 static void show_thread_status_terse_v3_v4(struct thread_stat *ts,
851 struct group_run_stats *rs, int ver)
853 double io_u_dist[FIO_IO_U_MAP_NR];
854 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
855 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
856 double usr_cpu, sys_cpu;
860 log_info("%d;%s;%s;%d;%d", ver, fio_version_string,
861 ts->name, ts->groupid, ts->error);
862 /* Log Read Status */
863 show_ddir_status_terse(ts, rs, DDIR_READ);
864 /* Log Write Status */
865 show_ddir_status_terse(ts, rs, DDIR_WRITE);
866 /* Log Trim Status */
868 show_ddir_status_terse(ts, rs, DDIR_TRIM);
871 if (ts->total_run_time) {
872 double runt = (double) ts->total_run_time;
874 usr_cpu = (double) ts->usr_time * 100 / runt;
875 sys_cpu = (double) ts->sys_time * 100 / runt;
881 log_info(";%f%%;%f%%;%lu;%lu;%lu", usr_cpu, sys_cpu, ts->ctx, ts->majf,
884 /* Calc % distribution of IO depths, usecond, msecond latency */
885 stat_calc_dist(ts->io_u_map, ts_total_io_u(ts), io_u_dist);
886 stat_calc_lat_u(ts, io_u_lat_u);
887 stat_calc_lat_m(ts, io_u_lat_m);
889 /* Only show fixed 7 I/O depth levels*/
890 log_info(";%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%",
891 io_u_dist[0], io_u_dist[1], io_u_dist[2], io_u_dist[3],
892 io_u_dist[4], io_u_dist[5], io_u_dist[6]);
894 /* Microsecond latency */
895 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++)
896 log_info(";%3.2f%%", io_u_lat_u[i]);
897 /* Millisecond latency */
898 for (i = 0; i < FIO_IO_U_LAT_M_NR; i++)
899 log_info(";%3.2f%%", io_u_lat_m[i]);
901 /* disk util stats, if any */
902 show_disk_util(1, NULL);
904 /* Additional output if continue_on_error set - default off*/
905 if (ts->continue_on_error)
906 log_info(";%lu;%d", ts->total_err_count, ts->first_error);
908 /* Additional output if description is set */
909 if (strlen(ts->description))
910 log_info(";%s", ts->description);
915 static struct json_object *show_thread_status_json(struct thread_stat *ts,
916 struct group_run_stats *rs)
918 struct json_object *root, *tmp;
919 double io_u_dist[FIO_IO_U_MAP_NR];
920 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
921 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
922 double usr_cpu, sys_cpu;
925 root = json_create_object();
926 json_object_add_value_string(root, "jobname", ts->name);
927 json_object_add_value_int(root, "groupid", ts->groupid);
928 json_object_add_value_int(root, "error", ts->error);
930 add_ddir_status_json(ts, rs, DDIR_READ, root);
931 add_ddir_status_json(ts, rs, DDIR_WRITE, root);
932 add_ddir_status_json(ts, rs, DDIR_TRIM, root);
935 if (ts->total_run_time) {
936 double runt = (double) ts->total_run_time;
938 usr_cpu = (double) ts->usr_time * 100 / runt;
939 sys_cpu = (double) ts->sys_time * 100 / runt;
944 json_object_add_value_float(root, "usr_cpu", usr_cpu);
945 json_object_add_value_float(root, "sys_cpu", sys_cpu);
946 json_object_add_value_int(root, "ctx", ts->ctx);
947 json_object_add_value_int(root, "majf", ts->majf);
948 json_object_add_value_int(root, "minf", ts->minf);
951 /* Calc % distribution of IO depths, usecond, msecond latency */
952 stat_calc_dist(ts->io_u_map, ts_total_io_u(ts), io_u_dist);
953 stat_calc_lat_u(ts, io_u_lat_u);
954 stat_calc_lat_m(ts, io_u_lat_m);
956 tmp = json_create_object();
957 json_object_add_value_object(root, "iodepth_level", tmp);
958 /* Only show fixed 7 I/O depth levels*/
959 for (i = 0; i < 7; i++) {
962 snprintf(name, 20, "%d", 1 << i);
964 snprintf(name, 20, ">=%d", 1 << i);
965 json_object_add_value_float(tmp, (const char *)name, io_u_dist[i]);
968 tmp = json_create_object();
969 json_object_add_value_object(root, "latency_us", tmp);
970 /* Microsecond latency */
971 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) {
972 const char *ranges[] = { "2", "4", "10", "20", "50", "100",
973 "250", "500", "750", "1000", };
974 json_object_add_value_float(tmp, ranges[i], io_u_lat_u[i]);
976 /* Millisecond latency */
977 tmp = json_create_object();
978 json_object_add_value_object(root, "latency_ms", tmp);
979 for (i = 0; i < FIO_IO_U_LAT_M_NR; i++) {
980 const char *ranges[] = { "2", "4", "10", "20", "50", "100",
981 "250", "500", "750", "1000", "2000",
983 json_object_add_value_float(tmp, ranges[i], io_u_lat_m[i]);
986 /* Additional output if continue_on_error set - default off*/
987 if (ts->continue_on_error) {
988 json_object_add_value_int(root, "total_err", ts->total_err_count);
989 json_object_add_value_int(root, "total_err", ts->first_error);
992 /* Additional output if description is set */
993 if (strlen(ts->description))
994 json_object_add_value_string(root, "desc", ts->description);
999 static void show_thread_status_terse(struct thread_stat *ts,
1000 struct group_run_stats *rs)
1002 if (terse_version == 2)
1003 show_thread_status_terse_v2(ts, rs);
1004 else if (terse_version == 3 || terse_version == 4)
1005 show_thread_status_terse_v3_v4(ts, rs, terse_version);
1007 log_err("fio: bad terse version!? %d\n", terse_version);
1010 static void sum_stat(struct io_stat *dst, struct io_stat *src, int nr)
1014 if (src->samples == 0)
1017 dst->min_val = min(dst->min_val, src->min_val);
1018 dst->max_val = max(dst->max_val, src->max_val);
1021 * Compute new mean and S after the merge
1022 * <http://en.wikipedia.org/wiki/Algorithms_for_calculating_variance
1023 * #Parallel_algorithm>
1026 mean = src->mean.u.f;
1029 double delta = src->mean.u.f - dst->mean.u.f;
1031 mean = ((src->mean.u.f * src->samples) +
1032 (dst->mean.u.f * dst->samples)) /
1033 (dst->samples + src->samples);
1035 S = src->S.u.f + dst->S.u.f + pow(delta, 2.0) *
1036 (dst->samples * src->samples) /
1037 (dst->samples + src->samples);
1040 dst->samples += src->samples;
1041 dst->mean.u.f = mean;
1045 void sum_group_stats(struct group_run_stats *dst, struct group_run_stats *src)
1049 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
1050 if (dst->max_run[i] < src->max_run[i])
1051 dst->max_run[i] = src->max_run[i];
1052 if (dst->min_run[i] && dst->min_run[i] > src->min_run[i])
1053 dst->min_run[i] = src->min_run[i];
1054 if (dst->max_bw[i] < src->max_bw[i])
1055 dst->max_bw[i] = src->max_bw[i];
1056 if (dst->min_bw[i] && dst->min_bw[i] > src->min_bw[i])
1057 dst->min_bw[i] = src->min_bw[i];
1059 dst->io_kb[i] += src->io_kb[i];
1060 dst->agg[i] += src->agg[i];
1065 void sum_thread_stats(struct thread_stat *dst, struct thread_stat *src, int nr)
1069 for (l = 0; l < DDIR_RWDIR_CNT; l++) {
1070 if (!dst->unified_rw_rep) {
1071 sum_stat(&dst->clat_stat[l], &src->clat_stat[l], nr);
1072 sum_stat(&dst->slat_stat[l], &src->slat_stat[l], nr);
1073 sum_stat(&dst->lat_stat[l], &src->lat_stat[l], nr);
1074 sum_stat(&dst->bw_stat[l], &src->bw_stat[l], nr);
1076 dst->io_bytes[l] += src->io_bytes[l];
1078 if (dst->runtime[l] < src->runtime[l])
1079 dst->runtime[l] = src->runtime[l];
1081 sum_stat(&dst->clat_stat[0], &src->clat_stat[l], nr);
1082 sum_stat(&dst->slat_stat[0], &src->slat_stat[l], nr);
1083 sum_stat(&dst->lat_stat[0], &src->lat_stat[l], nr);
1084 sum_stat(&dst->bw_stat[0], &src->bw_stat[l], nr);
1086 dst->io_bytes[0] += src->io_bytes[l];
1088 if (dst->runtime[0] < src->runtime[l])
1089 dst->runtime[0] = src->runtime[l];
1093 dst->usr_time += src->usr_time;
1094 dst->sys_time += src->sys_time;
1095 dst->ctx += src->ctx;
1096 dst->majf += src->majf;
1097 dst->minf += src->minf;
1099 for (k = 0; k < FIO_IO_U_MAP_NR; k++)
1100 dst->io_u_map[k] += src->io_u_map[k];
1101 for (k = 0; k < FIO_IO_U_MAP_NR; k++)
1102 dst->io_u_submit[k] += src->io_u_submit[k];
1103 for (k = 0; k < FIO_IO_U_MAP_NR; k++)
1104 dst->io_u_complete[k] += src->io_u_complete[k];
1105 for (k = 0; k < FIO_IO_U_LAT_U_NR; k++)
1106 dst->io_u_lat_u[k] += src->io_u_lat_u[k];
1107 for (k = 0; k < FIO_IO_U_LAT_M_NR; k++)
1108 dst->io_u_lat_m[k] += src->io_u_lat_m[k];
1110 for (k = 0; k < DDIR_RWDIR_CNT; k++) {
1111 if (!dst->unified_rw_rep) {
1112 dst->total_io_u[k] += src->total_io_u[k];
1113 dst->short_io_u[k] += src->short_io_u[k];
1115 dst->total_io_u[0] += src->total_io_u[k];
1116 dst->short_io_u[0] += src->short_io_u[k];
1120 for (k = 0; k < DDIR_RWDIR_CNT; k++) {
1123 for (m = 0; m < FIO_IO_U_PLAT_NR; m++) {
1124 if (!dst->unified_rw_rep)
1125 dst->io_u_plat[k][m] += src->io_u_plat[k][m];
1127 dst->io_u_plat[0][m] += src->io_u_plat[k][m];
1131 dst->total_run_time += src->total_run_time;
1132 dst->total_submit += src->total_submit;
1133 dst->total_complete += src->total_complete;
1136 void init_group_run_stat(struct group_run_stats *gs)
1139 memset(gs, 0, sizeof(*gs));
1141 for (i = 0; i < DDIR_RWDIR_CNT; i++)
1142 gs->min_bw[i] = gs->min_run[i] = ~0UL;
1145 void init_thread_stat(struct thread_stat *ts)
1149 memset(ts, 0, sizeof(*ts));
1151 for (j = 0; j < DDIR_RWDIR_CNT; j++) {
1152 ts->lat_stat[j].min_val = -1UL;
1153 ts->clat_stat[j].min_val = -1UL;
1154 ts->slat_stat[j].min_val = -1UL;
1155 ts->bw_stat[j].min_val = -1UL;
1160 void show_run_stats(void)
1162 struct group_run_stats *runstats, *rs;
1163 struct thread_data *td;
1164 struct thread_stat *threadstats, *ts;
1165 int i, j, nr_ts, last_ts, idx;
1166 int kb_base_warned = 0;
1167 struct json_object *root = NULL;
1168 struct json_array *array = NULL;
1170 runstats = malloc(sizeof(struct group_run_stats) * (groupid + 1));
1172 for (i = 0; i < groupid + 1; i++)
1173 init_group_run_stat(&runstats[i]);
1176 * find out how many threads stats we need. if group reporting isn't
1177 * enabled, it's one-per-td.
1181 for_each_td(td, i) {
1182 if (!td->o.group_reporting) {
1186 if (last_ts == td->groupid)
1189 last_ts = td->groupid;
1193 threadstats = malloc(nr_ts * sizeof(struct thread_stat));
1195 for (i = 0; i < nr_ts; i++)
1196 init_thread_stat(&threadstats[i]);
1201 for_each_td(td, i) {
1202 if (idx && (!td->o.group_reporting ||
1203 (td->o.group_reporting && last_ts != td->groupid))) {
1208 last_ts = td->groupid;
1210 ts = &threadstats[j];
1212 ts->clat_percentiles = td->o.clat_percentiles;
1213 if (td->o.overwrite_plist)
1214 memcpy(ts->percentile_list, td->o.percentile_list, sizeof(td->o.percentile_list));
1216 memcpy(ts->percentile_list, def_percentile_list, sizeof(def_percentile_list));
1221 if (ts->groupid == -1) {
1223 * These are per-group shared already
1225 strncpy(ts->name, td->o.name, FIO_JOBNAME_SIZE);
1226 if (td->o.description)
1227 strncpy(ts->description, td->o.description,
1230 memset(ts->description, 0, FIO_JOBNAME_SIZE);
1232 ts->groupid = td->groupid;
1235 * first pid in group, not very useful...
1239 ts->kb_base = td->o.kb_base;
1240 ts->unified_rw_rep = td->o.unified_rw_rep;
1241 } else if (ts->kb_base != td->o.kb_base && !kb_base_warned) {
1242 log_info("fio: kb_base differs for jobs in group, using"
1243 " %u as the base\n", ts->kb_base);
1247 ts->continue_on_error = td->o.continue_on_error;
1248 ts->total_err_count += td->total_err_count;
1249 ts->first_error = td->first_error;
1251 if (!td->error && td->o.continue_on_error &&
1253 ts->error = td->first_error;
1254 strcpy(ts->verror, td->verror);
1255 } else if (td->error) {
1256 ts->error = td->error;
1257 strcpy(ts->verror, td->verror);
1261 sum_thread_stats(ts, &td->ts, idx);
1264 for (i = 0; i < nr_ts; i++) {
1265 unsigned long long bw;
1267 ts = &threadstats[i];
1268 rs = &runstats[ts->groupid];
1269 rs->kb_base = ts->kb_base;
1270 rs->unified_rw_rep += ts->unified_rw_rep;
1272 for (j = 0; j < DDIR_RWDIR_CNT; j++) {
1273 if (!ts->runtime[j])
1275 if (ts->runtime[j] < rs->min_run[j] || !rs->min_run[j])
1276 rs->min_run[j] = ts->runtime[j];
1277 if (ts->runtime[j] > rs->max_run[j])
1278 rs->max_run[j] = ts->runtime[j];
1281 if (ts->runtime[j]) {
1282 unsigned long runt = ts->runtime[j];
1283 unsigned long long kb;
1285 kb = ts->io_bytes[j] / rs->kb_base;
1286 bw = kb * 1000 / runt;
1288 if (bw < rs->min_bw[j])
1290 if (bw > rs->max_bw[j])
1293 rs->io_kb[j] += ts->io_bytes[j] / rs->kb_base;
1297 for (i = 0; i < groupid + 1; i++) {
1302 for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++) {
1303 if (rs->max_run[ddir])
1304 rs->agg[ddir] = (rs->io_kb[ddir] * 1000) /
1310 * don't overwrite last signal output
1312 if (output_format == FIO_OUTPUT_NORMAL)
1314 else if (output_format == FIO_OUTPUT_JSON) {
1315 root = json_create_object();
1316 json_object_add_value_string(root, "fio version", fio_version_string);
1317 array = json_create_array();
1318 json_object_add_value_array(root, "jobs", array);
1321 for (i = 0; i < nr_ts; i++) {
1322 ts = &threadstats[i];
1323 rs = &runstats[ts->groupid];
1326 fio_server_send_ts(ts, rs);
1327 else if (output_format == FIO_OUTPUT_TERSE)
1328 show_thread_status_terse(ts, rs);
1329 else if (output_format == FIO_OUTPUT_JSON) {
1330 struct json_object *tmp = show_thread_status_json(ts, rs);
1331 json_array_add_value_object(array, tmp);
1333 show_thread_status(ts, rs);
1335 if (output_format == FIO_OUTPUT_JSON) {
1336 /* disk util stats, if any */
1337 show_disk_util(1, root);
1339 show_idle_prof_stats(FIO_OUTPUT_JSON, root);
1341 json_print_object(root);
1343 json_free_object(root);
1346 for (i = 0; i < groupid + 1; i++) {
1351 fio_server_send_gs(rs);
1352 else if (output_format == FIO_OUTPUT_NORMAL)
1353 show_group_stats(rs);
1357 fio_server_send_du();
1358 else if (output_format == FIO_OUTPUT_NORMAL)
1359 show_disk_util(0, NULL);
1361 show_idle_prof_stats(FIO_OUTPUT_NORMAL, NULL);
1367 static void *__show_running_run_stats(void *arg)
1369 struct thread_data *td;
1370 unsigned long long *rt;
1374 rt = malloc(thread_number * sizeof(unsigned long long));
1375 fio_gettime(&tv, NULL);
1377 for_each_td(td, i) {
1378 rt[i] = mtime_since(&td->start, &tv);
1379 if (td_read(td) && td->io_bytes[DDIR_READ])
1380 td->ts.runtime[DDIR_READ] += rt[i];
1381 if (td_write(td) && td->io_bytes[DDIR_WRITE])
1382 td->ts.runtime[DDIR_WRITE] += rt[i];
1383 if (td_trim(td) && td->io_bytes[DDIR_TRIM])
1384 td->ts.runtime[DDIR_TRIM] += rt[i];
1386 update_rusage_stat(td);
1387 td->ts.io_bytes[DDIR_READ] = td->io_bytes[DDIR_READ];
1388 td->ts.io_bytes[DDIR_WRITE] = td->io_bytes[DDIR_WRITE];
1389 td->ts.io_bytes[DDIR_TRIM] = td->io_bytes[DDIR_TRIM];
1390 td->ts.total_run_time = mtime_since(&td->epoch, &tv);
1395 for_each_td(td, i) {
1396 if (td_read(td) && td->io_bytes[DDIR_READ])
1397 td->ts.runtime[DDIR_READ] -= rt[i];
1398 if (td_write(td) && td->io_bytes[DDIR_WRITE])
1399 td->ts.runtime[DDIR_WRITE] -= rt[i];
1400 if (td_trim(td) && td->io_bytes[DDIR_TRIM])
1401 td->ts.runtime[DDIR_TRIM] -= rt[i];
1409 * Called from signal handler. It _should_ be safe to just run this inline
1410 * in the sig handler, but we should be disturbing the system less by just
1411 * creating a thread to do it.
1413 void show_running_run_stats(void)
1417 pthread_create(&thread, NULL, __show_running_run_stats, NULL);
1418 pthread_detach(thread);
1421 static inline void add_stat_sample(struct io_stat *is, unsigned long data)
1426 if (data > is->max_val)
1428 if (data < is->min_val)
1431 delta = val - is->mean.u.f;
1433 is->mean.u.f += delta / (is->samples + 1.0);
1434 is->S.u.f += delta * (val - is->mean.u.f);
1440 static void __add_log_sample(struct io_log *iolog, unsigned long val,
1441 enum fio_ddir ddir, unsigned int bs,
1444 const int nr_samples = iolog->nr_samples;
1446 if (!iolog->nr_samples)
1447 iolog->avg_last = t;
1449 if (iolog->nr_samples == iolog->max_samples) {
1450 int new_size = sizeof(struct io_sample) * iolog->max_samples*2;
1452 iolog->log = realloc(iolog->log, new_size);
1453 iolog->max_samples <<= 1;
1456 iolog->log[nr_samples].val = val;
1457 iolog->log[nr_samples].time = t;
1458 iolog->log[nr_samples].ddir = ddir;
1459 iolog->log[nr_samples].bs = bs;
1460 iolog->nr_samples++;
1463 static inline void reset_io_stat(struct io_stat *ios)
1465 ios->max_val = ios->min_val = ios->samples = 0;
1466 ios->mean.u.f = ios->S.u.f = 0;
1469 static void add_log_sample(struct thread_data *td, struct io_log *iolog,
1470 unsigned long val, enum fio_ddir ddir,
1473 unsigned long elapsed, this_window;
1478 elapsed = mtime_since_now(&td->epoch);
1481 * If no time averaging, just add the log sample.
1483 if (!iolog->avg_msec) {
1484 __add_log_sample(iolog, val, ddir, bs, elapsed);
1489 * Add the sample. If the time period has passed, then
1490 * add that entry to the log and clear.
1492 add_stat_sample(&iolog->avg_window[ddir], val);
1495 * If period hasn't passed, adding the above sample is all we
1498 this_window = elapsed - iolog->avg_last;
1499 if (this_window < iolog->avg_msec)
1503 * Note an entry in the log. Use the mean from the logged samples,
1504 * making sure to properly round up. Only write a log entry if we
1505 * had actual samples done.
1507 if (iolog->avg_window[DDIR_READ].samples) {
1510 mr = iolog->avg_window[DDIR_READ].mean.u.f + 0.50;
1511 __add_log_sample(iolog, mr, DDIR_READ, 0, elapsed);
1513 if (iolog->avg_window[DDIR_WRITE].samples) {
1516 mw = iolog->avg_window[DDIR_WRITE].mean.u.f + 0.50;
1517 __add_log_sample(iolog, mw, DDIR_WRITE, 0, elapsed);
1519 if (iolog->avg_window[DDIR_TRIM].samples) {
1522 mw = iolog->avg_window[DDIR_TRIM].mean.u.f + 0.50;
1523 __add_log_sample(iolog, mw, DDIR_TRIM, 0, elapsed);
1527 reset_io_stat(&iolog->avg_window[DDIR_READ]);
1528 reset_io_stat(&iolog->avg_window[DDIR_WRITE]);
1529 reset_io_stat(&iolog->avg_window[DDIR_TRIM]);
1530 iolog->avg_last = elapsed;
1533 void add_agg_sample(unsigned long val, enum fio_ddir ddir, unsigned int bs)
1535 struct io_log *iolog;
1540 iolog = agg_io_log[ddir];
1541 __add_log_sample(iolog, val, ddir, bs, mtime_since_genesis());
1544 static void add_clat_percentile_sample(struct thread_stat *ts,
1545 unsigned long usec, enum fio_ddir ddir)
1547 unsigned int idx = plat_val_to_idx(usec);
1548 assert(idx < FIO_IO_U_PLAT_NR);
1550 ts->io_u_plat[ddir][idx]++;
1553 void add_clat_sample(struct thread_data *td, enum fio_ddir ddir,
1554 unsigned long usec, unsigned int bs)
1556 struct thread_stat *ts = &td->ts;
1561 add_stat_sample(&ts->clat_stat[ddir], usec);
1564 add_log_sample(td, td->clat_log, usec, ddir, bs);
1566 if (ts->clat_percentiles)
1567 add_clat_percentile_sample(ts, usec, ddir);
1570 void add_slat_sample(struct thread_data *td, enum fio_ddir ddir,
1571 unsigned long usec, unsigned int bs)
1573 struct thread_stat *ts = &td->ts;
1578 add_stat_sample(&ts->slat_stat[ddir], usec);
1581 add_log_sample(td, td->slat_log, usec, ddir, bs);
1584 void add_lat_sample(struct thread_data *td, enum fio_ddir ddir,
1585 unsigned long usec, unsigned int bs)
1587 struct thread_stat *ts = &td->ts;
1592 add_stat_sample(&ts->lat_stat[ddir], usec);
1595 add_log_sample(td, td->lat_log, usec, ddir, bs);
1598 void add_bw_sample(struct thread_data *td, enum fio_ddir ddir, unsigned int bs,
1601 struct thread_stat *ts = &td->ts;
1602 unsigned long spent, rate;
1607 spent = mtime_since(&td->bw_sample_time, t);
1608 if (spent < td->o.bw_avg_time)
1612 * Compute both read and write rates for the interval.
1614 for (ddir = DDIR_READ; ddir < DDIR_RWDIR_CNT; ddir++) {
1617 delta = td->this_io_bytes[ddir] - td->stat_io_bytes[ddir];
1619 continue; /* No entries for interval */
1621 rate = delta * 1000 / spent / 1024;
1622 add_stat_sample(&ts->bw_stat[ddir], rate);
1625 add_log_sample(td, td->bw_log, rate, ddir, bs);
1627 td->stat_io_bytes[ddir] = td->this_io_bytes[ddir];
1630 fio_gettime(&td->bw_sample_time, NULL);
1633 void add_iops_sample(struct thread_data *td, enum fio_ddir ddir,
1636 struct thread_stat *ts = &td->ts;
1637 unsigned long spent, iops;
1642 spent = mtime_since(&td->iops_sample_time, t);
1643 if (spent < td->o.iops_avg_time)
1647 * Compute both read and write rates for the interval.
1649 for (ddir = DDIR_READ; ddir < DDIR_RWDIR_CNT; ddir++) {
1652 delta = td->this_io_blocks[ddir] - td->stat_io_blocks[ddir];
1654 continue; /* No entries for interval */
1656 iops = (delta * 1000) / spent;
1657 add_stat_sample(&ts->iops_stat[ddir], iops);
1660 add_log_sample(td, td->iops_log, iops, ddir, 0);
1662 td->stat_io_blocks[ddir] = td->this_io_blocks[ddir];
1665 fio_gettime(&td->iops_sample_time, NULL);