9 #include "lib/ieee754.h"
11 #include "lib/getrusage.h"
14 #include "lib/output_buffer.h"
15 #include "helper_thread.h"
18 #include "oslib/asprintf.h"
20 #define LOG_MSEC_SLACK 1
22 struct fio_sem *stat_sem;
24 void clear_rusage_stat(struct thread_data *td)
26 struct thread_stat *ts = &td->ts;
28 fio_getrusage(&td->ru_start);
29 ts->usr_time = ts->sys_time = 0;
31 ts->minf = ts->majf = 0;
34 void update_rusage_stat(struct thread_data *td)
36 struct thread_stat *ts = &td->ts;
38 fio_getrusage(&td->ru_end);
39 ts->usr_time += mtime_since_tv(&td->ru_start.ru_utime,
40 &td->ru_end.ru_utime);
41 ts->sys_time += mtime_since_tv(&td->ru_start.ru_stime,
42 &td->ru_end.ru_stime);
43 ts->ctx += td->ru_end.ru_nvcsw + td->ru_end.ru_nivcsw
44 - (td->ru_start.ru_nvcsw + td->ru_start.ru_nivcsw);
45 ts->minf += td->ru_end.ru_minflt - td->ru_start.ru_minflt;
46 ts->majf += td->ru_end.ru_majflt - td->ru_start.ru_majflt;
48 memcpy(&td->ru_start, &td->ru_end, sizeof(td->ru_end));
52 * Given a latency, return the index of the corresponding bucket in
53 * the structure tracking percentiles.
55 * (1) find the group (and error bits) that the value (latency)
56 * belongs to by looking at its MSB. (2) find the bucket number in the
57 * group by looking at the index bits.
60 static unsigned int plat_val_to_idx(unsigned long long val)
62 unsigned int msb, error_bits, base, offset, idx;
64 /* Find MSB starting from bit 0 */
68 msb = (sizeof(val)*8) - __builtin_clzll(val) - 1;
71 * MSB <= (FIO_IO_U_PLAT_BITS-1), cannot be rounded off. Use
72 * all bits of the sample as index
74 if (msb <= FIO_IO_U_PLAT_BITS)
77 /* Compute the number of error bits to discard*/
78 error_bits = msb - FIO_IO_U_PLAT_BITS;
80 /* Compute the number of buckets before the group */
81 base = (error_bits + 1) << FIO_IO_U_PLAT_BITS;
84 * Discard the error bits and apply the mask to find the
85 * index for the buckets in the group
87 offset = (FIO_IO_U_PLAT_VAL - 1) & (val >> error_bits);
89 /* Make sure the index does not exceed (array size - 1) */
90 idx = (base + offset) < (FIO_IO_U_PLAT_NR - 1) ?
91 (base + offset) : (FIO_IO_U_PLAT_NR - 1);
97 * Convert the given index of the bucket array to the value
98 * represented by the bucket
100 static unsigned long long plat_idx_to_val(unsigned int idx)
102 unsigned int error_bits;
103 unsigned long long k, base;
105 assert(idx < FIO_IO_U_PLAT_NR);
107 /* MSB <= (FIO_IO_U_PLAT_BITS-1), cannot be rounded off. Use
108 * all bits of the sample as index */
109 if (idx < (FIO_IO_U_PLAT_VAL << 1))
112 /* Find the group and compute the minimum value of that group */
113 error_bits = (idx >> FIO_IO_U_PLAT_BITS) - 1;
114 base = ((unsigned long long) 1) << (error_bits + FIO_IO_U_PLAT_BITS);
116 /* Find its bucket number of the group */
117 k = idx % FIO_IO_U_PLAT_VAL;
119 /* Return the mean of the range of the bucket */
120 return base + ((k + 0.5) * (1 << error_bits));
123 static int double_cmp(const void *a, const void *b)
125 const fio_fp64_t fa = *(const fio_fp64_t *) a;
126 const fio_fp64_t fb = *(const fio_fp64_t *) b;
131 else if (fa.u.f < fb.u.f)
137 unsigned int calc_clat_percentiles(uint64_t *io_u_plat, unsigned long long nr,
138 fio_fp64_t *plist, unsigned long long **output,
139 unsigned long long *maxv, unsigned long long *minv)
141 unsigned long long sum = 0;
142 unsigned int len, i, j = 0;
143 unsigned long long *ovals = NULL;
150 while (len < FIO_IO_U_LIST_MAX_LEN && plist[len].u.f != 0.0)
157 * Sort the percentile list. Note that it may already be sorted if
158 * we are using the default values, but since it's a short list this
159 * isn't a worry. Also note that this does not work for NaN values.
162 qsort(plist, len, sizeof(plist[0]), double_cmp);
164 ovals = malloc(len * sizeof(*ovals));
169 * Calculate bucket values, note down max and min values
172 for (i = 0; i < FIO_IO_U_PLAT_NR && !is_last; i++) {
174 while (sum >= ((long double) plist[j].u.f / 100.0 * nr)) {
175 assert(plist[j].u.f <= 100.0);
177 ovals[j] = plat_idx_to_val(i);
178 if (ovals[j] < *minv)
180 if (ovals[j] > *maxv)
183 is_last = (j == len - 1) != 0;
192 log_err("fio: error calculating latency percentiles\n");
199 * Find and display the p-th percentile of clat
201 static void show_clat_percentiles(uint64_t *io_u_plat, unsigned long long nr,
202 fio_fp64_t *plist, unsigned int precision,
203 const char *pre, struct buf_output *out)
205 unsigned int divisor, len, i, j = 0;
206 unsigned long long minv, maxv;
207 unsigned long long *ovals;
208 int per_line, scale_down, time_width;
212 len = calc_clat_percentiles(io_u_plat, nr, plist, &ovals, &maxv, &minv);
217 * We default to nsecs, but if the value range is such that we
218 * should scale down to usecs or msecs, do that.
220 if (minv > 2000000 && maxv > 99999999ULL) {
223 log_buf(out, " %s percentiles (msec):\n |", pre);
224 } else if (minv > 2000 && maxv > 99999) {
227 log_buf(out, " %s percentiles (usec):\n |", pre);
231 log_buf(out, " %s percentiles (nsec):\n |", pre);
235 time_width = max(5, (int) (log10(maxv / divisor) + 1));
236 snprintf(fmt, sizeof(fmt), " %%%u.%ufth=[%%%dllu]%%c", precision + 3,
237 precision, time_width);
238 /* fmt will be something like " %5.2fth=[%4llu]%c" */
239 per_line = (80 - 7) / (precision + 10 + time_width);
241 for (j = 0; j < len; j++) {
243 if (j != 0 && (j % per_line) == 0)
246 /* end of the list */
247 is_last = (j == len - 1) != 0;
249 for (i = 0; i < scale_down; i++)
250 ovals[j] = (ovals[j] + 999) / 1000;
252 log_buf(out, fmt, plist[j].u.f, ovals[j], is_last ? '\n' : ',');
257 if ((j % per_line) == per_line - 1) /* for formatting */
266 bool calc_lat(struct io_stat *is, unsigned long long *min,
267 unsigned long long *max, double *mean, double *dev)
269 double n = (double) is->samples;
276 *mean = is->mean.u.f;
279 *dev = sqrt(is->S.u.f / (n - 1.0));
286 void show_group_stats(struct group_run_stats *rs, struct buf_output *out)
288 char *io, *agg, *min, *max;
289 char *ioalt, *aggalt, *minalt, *maxalt;
290 const char *str[] = { " READ", " WRITE" , " TRIM"};
293 log_buf(out, "\nRun status group %d (all jobs):\n", rs->groupid);
295 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
296 const int i2p = is_power_of_2(rs->kb_base);
301 io = num2str(rs->iobytes[i], rs->sig_figs, 1, i2p, N2S_BYTE);
302 ioalt = num2str(rs->iobytes[i], rs->sig_figs, 1, !i2p, N2S_BYTE);
303 agg = num2str(rs->agg[i], rs->sig_figs, 1, i2p, rs->unit_base);
304 aggalt = num2str(rs->agg[i], rs->sig_figs, 1, !i2p, rs->unit_base);
305 min = num2str(rs->min_bw[i], rs->sig_figs, 1, i2p, rs->unit_base);
306 minalt = num2str(rs->min_bw[i], rs->sig_figs, 1, !i2p, rs->unit_base);
307 max = num2str(rs->max_bw[i], rs->sig_figs, 1, i2p, rs->unit_base);
308 maxalt = num2str(rs->max_bw[i], rs->sig_figs, 1, !i2p, rs->unit_base);
309 log_buf(out, "%s: bw=%s (%s), %s-%s (%s-%s), io=%s (%s), run=%llu-%llumsec\n",
310 rs->unified_rw_rep ? " MIXED" : str[i],
311 agg, aggalt, min, max, minalt, maxalt, io, ioalt,
312 (unsigned long long) rs->min_run[i],
313 (unsigned long long) rs->max_run[i]);
326 void stat_calc_dist(uint64_t *map, unsigned long total, double *io_u_dist)
331 * Do depth distribution calculations
333 for (i = 0; i < FIO_IO_U_MAP_NR; i++) {
335 io_u_dist[i] = (double) map[i] / (double) total;
336 io_u_dist[i] *= 100.0;
337 if (io_u_dist[i] < 0.1 && map[i])
344 static void stat_calc_lat(struct thread_stat *ts, double *dst,
345 uint64_t *src, int nr)
347 unsigned long total = ddir_rw_sum(ts->total_io_u);
351 * Do latency distribution calculations
353 for (i = 0; i < nr; i++) {
355 dst[i] = (double) src[i] / (double) total;
357 if (dst[i] < 0.01 && src[i])
365 * To keep the terse format unaltered, add all of the ns latency
366 * buckets to the first us latency bucket
368 static void stat_calc_lat_nu(struct thread_stat *ts, double *io_u_lat_u)
370 unsigned long ntotal = 0, total = ddir_rw_sum(ts->total_io_u);
373 stat_calc_lat(ts, io_u_lat_u, ts->io_u_lat_u, FIO_IO_U_LAT_U_NR);
375 for (i = 0; i < FIO_IO_U_LAT_N_NR; i++)
376 ntotal += ts->io_u_lat_n[i];
378 io_u_lat_u[0] += 100.0 * (double) ntotal / (double) total;
381 void stat_calc_lat_n(struct thread_stat *ts, double *io_u_lat)
383 stat_calc_lat(ts, io_u_lat, ts->io_u_lat_n, FIO_IO_U_LAT_N_NR);
386 void stat_calc_lat_u(struct thread_stat *ts, double *io_u_lat)
388 stat_calc_lat(ts, io_u_lat, ts->io_u_lat_u, FIO_IO_U_LAT_U_NR);
391 void stat_calc_lat_m(struct thread_stat *ts, double *io_u_lat)
393 stat_calc_lat(ts, io_u_lat, ts->io_u_lat_m, FIO_IO_U_LAT_M_NR);
396 static void display_lat(const char *name, unsigned long long min,
397 unsigned long long max, double mean, double dev,
398 struct buf_output *out)
400 const char *base = "(nsec)";
403 if (nsec_to_msec(&min, &max, &mean, &dev))
405 else if (nsec_to_usec(&min, &max, &mean, &dev))
408 minp = num2str(min, 6, 1, 0, N2S_NONE);
409 maxp = num2str(max, 6, 1, 0, N2S_NONE);
411 log_buf(out, " %s %s: min=%s, max=%s, avg=%5.02f,"
412 " stdev=%5.02f\n", name, base, minp, maxp, mean, dev);
418 static void show_ddir_status(struct group_run_stats *rs, struct thread_stat *ts,
419 int ddir, struct buf_output *out)
422 unsigned long long min, max, bw, iops;
424 char *io_p, *bw_p, *bw_p_alt, *iops_p, *post_st = NULL;
427 if (ddir_sync(ddir)) {
428 if (calc_lat(&ts->sync_stat, &min, &max, &mean, &dev)) {
429 log_buf(out, " %s:\n", "fsync/fdatasync/sync_file_range");
430 display_lat(io_ddir_name(ddir), min, max, mean, dev, out);
431 show_clat_percentiles(ts->io_u_sync_plat,
432 ts->sync_stat.samples,
434 ts->percentile_precision,
435 io_ddir_name(ddir), out);
440 assert(ddir_rw(ddir));
442 if (!ts->runtime[ddir])
445 i2p = is_power_of_2(rs->kb_base);
446 runt = ts->runtime[ddir];
448 bw = (1000 * ts->io_bytes[ddir]) / runt;
449 io_p = num2str(ts->io_bytes[ddir], ts->sig_figs, 1, i2p, N2S_BYTE);
450 bw_p = num2str(bw, ts->sig_figs, 1, i2p, ts->unit_base);
451 bw_p_alt = num2str(bw, ts->sig_figs, 1, !i2p, ts->unit_base);
453 iops = (1000 * (uint64_t)ts->total_io_u[ddir]) / runt;
454 iops_p = num2str(iops, ts->sig_figs, 1, 0, N2S_NONE);
455 if (ddir == DDIR_WRITE)
456 post_st = zbd_write_status(ts);
457 else if (ddir == DDIR_READ && ts->cachehit && ts->cachemiss) {
461 total = ts->cachehit + ts->cachemiss;
462 hit = (double) ts->cachehit / (double) total;
464 if (asprintf(&post_st, "; Cachehit=%0.2f%%", hit) < 0)
468 log_buf(out, " %s: IOPS=%s, BW=%s (%s)(%s/%llumsec)%s\n",
469 rs->unified_rw_rep ? "mixed" : io_ddir_name(ddir),
470 iops_p, bw_p, bw_p_alt, io_p,
471 (unsigned long long) ts->runtime[ddir],
480 if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev))
481 display_lat("slat", min, max, mean, dev, out);
482 if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev))
483 display_lat("clat", min, max, mean, dev, out);
484 if (calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev))
485 display_lat(" lat", min, max, mean, dev, out);
487 if (ts->clat_percentiles || ts->lat_percentiles) {
488 const char *name = ts->clat_percentiles ? "clat" : " lat";
491 if (ts->clat_percentiles)
492 samples = ts->clat_stat[ddir].samples;
494 samples = ts->lat_stat[ddir].samples;
496 show_clat_percentiles(ts->io_u_plat[ddir],
499 ts->percentile_precision, name, out);
501 if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) {
502 double p_of_agg = 100.0, fkb_base = (double)rs->kb_base;
505 if ((rs->unit_base == 1) && i2p)
507 else if (rs->unit_base == 1)
515 p_of_agg = mean * 100 / (double) (rs->agg[ddir] / 1024);
516 if (p_of_agg > 100.0)
520 if (rs->unit_base == 1) {
527 if (mean > fkb_base * fkb_base) {
532 bw_str = (rs->unit_base == 1 ? "Mibit" : "MiB");
535 log_buf(out, " bw (%5s/s): min=%5llu, max=%5llu, per=%3.2f%%, "
536 "avg=%5.02f, stdev=%5.02f, samples=%" PRIu64 "\n",
537 bw_str, min, max, p_of_agg, mean, dev,
538 (&ts->bw_stat[ddir])->samples);
540 if (calc_lat(&ts->iops_stat[ddir], &min, &max, &mean, &dev)) {
541 log_buf(out, " iops : min=%5llu, max=%5llu, "
542 "avg=%5.02f, stdev=%5.02f, samples=%" PRIu64 "\n",
543 min, max, mean, dev, (&ts->iops_stat[ddir])->samples);
547 static bool show_lat(double *io_u_lat, int nr, const char **ranges,
548 const char *msg, struct buf_output *out)
550 bool new_line = true, shown = false;
553 for (i = 0; i < nr; i++) {
554 if (io_u_lat[i] <= 0.0)
560 log_buf(out, " lat (%s) : ", msg);
566 log_buf(out, "%s%3.2f%%", ranges[i], io_u_lat[i]);
578 static void show_lat_n(double *io_u_lat_n, struct buf_output *out)
580 const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=",
581 "250=", "500=", "750=", "1000=", };
583 show_lat(io_u_lat_n, FIO_IO_U_LAT_N_NR, ranges, "nsec", out);
586 static void show_lat_u(double *io_u_lat_u, struct buf_output *out)
588 const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=",
589 "250=", "500=", "750=", "1000=", };
591 show_lat(io_u_lat_u, FIO_IO_U_LAT_U_NR, ranges, "usec", out);
594 static void show_lat_m(double *io_u_lat_m, struct buf_output *out)
596 const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=",
597 "250=", "500=", "750=", "1000=", "2000=",
600 show_lat(io_u_lat_m, FIO_IO_U_LAT_M_NR, ranges, "msec", out);
603 static void show_latencies(struct thread_stat *ts, struct buf_output *out)
605 double io_u_lat_n[FIO_IO_U_LAT_N_NR];
606 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
607 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
609 stat_calc_lat_n(ts, io_u_lat_n);
610 stat_calc_lat_u(ts, io_u_lat_u);
611 stat_calc_lat_m(ts, io_u_lat_m);
613 show_lat_n(io_u_lat_n, out);
614 show_lat_u(io_u_lat_u, out);
615 show_lat_m(io_u_lat_m, out);
618 static int block_state_category(int block_state)
620 switch (block_state) {
621 case BLOCK_STATE_UNINIT:
623 case BLOCK_STATE_TRIMMED:
624 case BLOCK_STATE_WRITTEN:
626 case BLOCK_STATE_WRITE_FAILURE:
627 case BLOCK_STATE_TRIM_FAILURE:
630 /* Silence compile warning on some BSDs and have a return */
636 static int compare_block_infos(const void *bs1, const void *bs2)
638 uint64_t block1 = *(uint64_t *)bs1;
639 uint64_t block2 = *(uint64_t *)bs2;
640 int state1 = BLOCK_INFO_STATE(block1);
641 int state2 = BLOCK_INFO_STATE(block2);
642 int bscat1 = block_state_category(state1);
643 int bscat2 = block_state_category(state2);
644 int cycles1 = BLOCK_INFO_TRIMS(block1);
645 int cycles2 = BLOCK_INFO_TRIMS(block2);
652 if (cycles1 < cycles2)
654 if (cycles1 > cycles2)
662 assert(block1 == block2);
666 static int calc_block_percentiles(int nr_block_infos, uint32_t *block_infos,
667 fio_fp64_t *plist, unsigned int **percentiles,
673 qsort(block_infos, nr_block_infos, sizeof(uint32_t), compare_block_infos);
675 while (len < FIO_IO_U_LIST_MAX_LEN && plist[len].u.f != 0.0)
682 * Sort the percentile list. Note that it may already be sorted if
683 * we are using the default values, but since it's a short list this
684 * isn't a worry. Also note that this does not work for NaN values.
687 qsort(plist, len, sizeof(plist[0]), double_cmp);
689 /* Start only after the uninit entries end */
691 nr_uninit < nr_block_infos
692 && BLOCK_INFO_STATE(block_infos[nr_uninit]) == BLOCK_STATE_UNINIT;
696 if (nr_uninit == nr_block_infos)
699 *percentiles = calloc(len, sizeof(**percentiles));
701 for (i = 0; i < len; i++) {
702 int idx = (plist[i].u.f * (nr_block_infos - nr_uninit) / 100)
704 (*percentiles)[i] = BLOCK_INFO_TRIMS(block_infos[idx]);
707 memset(types, 0, sizeof(*types) * BLOCK_STATE_COUNT);
708 for (i = 0; i < nr_block_infos; i++)
709 types[BLOCK_INFO_STATE(block_infos[i])]++;
714 static const char *block_state_names[] = {
715 [BLOCK_STATE_UNINIT] = "unwritten",
716 [BLOCK_STATE_TRIMMED] = "trimmed",
717 [BLOCK_STATE_WRITTEN] = "written",
718 [BLOCK_STATE_TRIM_FAILURE] = "trim failure",
719 [BLOCK_STATE_WRITE_FAILURE] = "write failure",
722 static void show_block_infos(int nr_block_infos, uint32_t *block_infos,
723 fio_fp64_t *plist, struct buf_output *out)
726 unsigned int *percentiles = NULL;
727 unsigned int block_state_counts[BLOCK_STATE_COUNT];
729 len = calc_block_percentiles(nr_block_infos, block_infos, plist,
730 &percentiles, block_state_counts);
732 log_buf(out, " block lifetime percentiles :\n |");
734 for (i = 0; i < len; i++) {
735 uint32_t block_info = percentiles[i];
736 #define LINE_LENGTH 75
737 char str[LINE_LENGTH];
738 int strln = snprintf(str, LINE_LENGTH, " %3.2fth=%u%c",
739 plist[i].u.f, block_info,
740 i == len - 1 ? '\n' : ',');
741 assert(strln < LINE_LENGTH);
742 if (pos + strln > LINE_LENGTH) {
744 log_buf(out, "\n |");
746 log_buf(out, "%s", str);
753 log_buf(out, " states :");
754 for (i = 0; i < BLOCK_STATE_COUNT; i++)
755 log_buf(out, " %s=%u%c",
756 block_state_names[i], block_state_counts[i],
757 i == BLOCK_STATE_COUNT - 1 ? '\n' : ',');
760 static void show_ss_normal(struct thread_stat *ts, struct buf_output *out)
762 char *p1, *p1alt, *p2;
763 unsigned long long bw_mean, iops_mean;
764 const int i2p = is_power_of_2(ts->kb_base);
769 bw_mean = steadystate_bw_mean(ts);
770 iops_mean = steadystate_iops_mean(ts);
772 p1 = num2str(bw_mean / ts->kb_base, ts->sig_figs, ts->kb_base, i2p, ts->unit_base);
773 p1alt = num2str(bw_mean / ts->kb_base, ts->sig_figs, ts->kb_base, !i2p, ts->unit_base);
774 p2 = num2str(iops_mean, ts->sig_figs, 1, 0, N2S_NONE);
776 log_buf(out, " steadystate : attained=%s, bw=%s (%s), iops=%s, %s%s=%.3f%s\n",
777 ts->ss_state & FIO_SS_ATTAINED ? "yes" : "no",
779 ts->ss_state & FIO_SS_IOPS ? "iops" : "bw",
780 ts->ss_state & FIO_SS_SLOPE ? " slope": " mean dev",
781 ts->ss_criterion.u.f,
782 ts->ss_state & FIO_SS_PCT ? "%" : "");
789 static void show_agg_stats(struct disk_util_agg *agg, int terse,
790 struct buf_output *out)
792 if (!agg->slavecount)
796 log_buf(out, ", aggrios=%llu/%llu, aggrmerge=%llu/%llu, "
797 "aggrticks=%llu/%llu, aggrin_queue=%llu, "
799 (unsigned long long) agg->ios[0] / agg->slavecount,
800 (unsigned long long) agg->ios[1] / agg->slavecount,
801 (unsigned long long) agg->merges[0] / agg->slavecount,
802 (unsigned long long) agg->merges[1] / agg->slavecount,
803 (unsigned long long) agg->ticks[0] / agg->slavecount,
804 (unsigned long long) agg->ticks[1] / agg->slavecount,
805 (unsigned long long) agg->time_in_queue / agg->slavecount,
808 log_buf(out, ";slaves;%llu;%llu;%llu;%llu;%llu;%llu;%llu;%3.2f%%",
809 (unsigned long long) agg->ios[0] / agg->slavecount,
810 (unsigned long long) agg->ios[1] / agg->slavecount,
811 (unsigned long long) agg->merges[0] / agg->slavecount,
812 (unsigned long long) agg->merges[1] / agg->slavecount,
813 (unsigned long long) agg->ticks[0] / agg->slavecount,
814 (unsigned long long) agg->ticks[1] / agg->slavecount,
815 (unsigned long long) agg->time_in_queue / agg->slavecount,
820 static void aggregate_slaves_stats(struct disk_util *masterdu)
822 struct disk_util_agg *agg = &masterdu->agg;
823 struct disk_util_stat *dus;
824 struct flist_head *entry;
825 struct disk_util *slavedu;
828 flist_for_each(entry, &masterdu->slaves) {
829 slavedu = flist_entry(entry, struct disk_util, slavelist);
831 agg->ios[0] += dus->s.ios[0];
832 agg->ios[1] += dus->s.ios[1];
833 agg->merges[0] += dus->s.merges[0];
834 agg->merges[1] += dus->s.merges[1];
835 agg->sectors[0] += dus->s.sectors[0];
836 agg->sectors[1] += dus->s.sectors[1];
837 agg->ticks[0] += dus->s.ticks[0];
838 agg->ticks[1] += dus->s.ticks[1];
839 agg->time_in_queue += dus->s.time_in_queue;
842 util = (double) (100 * dus->s.io_ticks / (double) slavedu->dus.s.msec);
843 /* System utilization is the utilization of the
844 * component with the highest utilization.
846 if (util > agg->max_util.u.f)
847 agg->max_util.u.f = util;
851 if (agg->max_util.u.f > 100.0)
852 agg->max_util.u.f = 100.0;
855 void print_disk_util(struct disk_util_stat *dus, struct disk_util_agg *agg,
856 int terse, struct buf_output *out)
861 util = (double) 100 * dus->s.io_ticks / (double) dus->s.msec;
869 log_buf(out, " %s: ios=%llu/%llu, merge=%llu/%llu, "
870 "ticks=%llu/%llu, in_queue=%llu, util=%3.2f%%",
872 (unsigned long long) dus->s.ios[0],
873 (unsigned long long) dus->s.ios[1],
874 (unsigned long long) dus->s.merges[0],
875 (unsigned long long) dus->s.merges[1],
876 (unsigned long long) dus->s.ticks[0],
877 (unsigned long long) dus->s.ticks[1],
878 (unsigned long long) dus->s.time_in_queue,
881 log_buf(out, ";%s;%llu;%llu;%llu;%llu;%llu;%llu;%llu;%3.2f%%",
883 (unsigned long long) dus->s.ios[0],
884 (unsigned long long) dus->s.ios[1],
885 (unsigned long long) dus->s.merges[0],
886 (unsigned long long) dus->s.merges[1],
887 (unsigned long long) dus->s.ticks[0],
888 (unsigned long long) dus->s.ticks[1],
889 (unsigned long long) dus->s.time_in_queue,
894 * If the device has slaves, aggregate the stats for
895 * those slave devices also.
897 show_agg_stats(agg, terse, out);
903 void json_array_add_disk_util(struct disk_util_stat *dus,
904 struct disk_util_agg *agg, struct json_array *array)
906 struct json_object *obj;
910 util = (double) 100 * dus->s.io_ticks / (double) dus->s.msec;
914 obj = json_create_object();
915 json_array_add_value_object(array, obj);
917 json_object_add_value_string(obj, "name", dus->name);
918 json_object_add_value_int(obj, "read_ios", dus->s.ios[0]);
919 json_object_add_value_int(obj, "write_ios", dus->s.ios[1]);
920 json_object_add_value_int(obj, "read_merges", dus->s.merges[0]);
921 json_object_add_value_int(obj, "write_merges", dus->s.merges[1]);
922 json_object_add_value_int(obj, "read_ticks", dus->s.ticks[0]);
923 json_object_add_value_int(obj, "write_ticks", dus->s.ticks[1]);
924 json_object_add_value_int(obj, "in_queue", dus->s.time_in_queue);
925 json_object_add_value_float(obj, "util", util);
928 * If the device has slaves, aggregate the stats for
929 * those slave devices also.
931 if (!agg->slavecount)
933 json_object_add_value_int(obj, "aggr_read_ios",
934 agg->ios[0] / agg->slavecount);
935 json_object_add_value_int(obj, "aggr_write_ios",
936 agg->ios[1] / agg->slavecount);
937 json_object_add_value_int(obj, "aggr_read_merges",
938 agg->merges[0] / agg->slavecount);
939 json_object_add_value_int(obj, "aggr_write_merge",
940 agg->merges[1] / agg->slavecount);
941 json_object_add_value_int(obj, "aggr_read_ticks",
942 agg->ticks[0] / agg->slavecount);
943 json_object_add_value_int(obj, "aggr_write_ticks",
944 agg->ticks[1] / agg->slavecount);
945 json_object_add_value_int(obj, "aggr_in_queue",
946 agg->time_in_queue / agg->slavecount);
947 json_object_add_value_float(obj, "aggr_util", agg->max_util.u.f);
950 static void json_object_add_disk_utils(struct json_object *obj,
951 struct flist_head *head)
953 struct json_array *array = json_create_array();
954 struct flist_head *entry;
955 struct disk_util *du;
957 json_object_add_value_array(obj, "disk_util", array);
959 flist_for_each(entry, head) {
960 du = flist_entry(entry, struct disk_util, list);
962 aggregate_slaves_stats(du);
963 json_array_add_disk_util(&du->dus, &du->agg, array);
967 void show_disk_util(int terse, struct json_object *parent,
968 struct buf_output *out)
970 struct flist_head *entry;
971 struct disk_util *du;
974 if (!is_running_backend())
977 if (flist_empty(&disk_list)) {
981 if ((output_format & FIO_OUTPUT_JSON) && parent)
986 if (!terse && !do_json)
987 log_buf(out, "\nDisk stats (read/write):\n");
990 json_object_add_disk_utils(parent, &disk_list);
991 else if (output_format & ~(FIO_OUTPUT_JSON | FIO_OUTPUT_JSON_PLUS)) {
992 flist_for_each(entry, &disk_list) {
993 du = flist_entry(entry, struct disk_util, list);
995 aggregate_slaves_stats(du);
996 print_disk_util(&du->dus, &du->agg, terse, out);
1001 static void show_thread_status_normal(struct thread_stat *ts,
1002 struct group_run_stats *rs,
1003 struct buf_output *out)
1005 double usr_cpu, sys_cpu;
1006 unsigned long runtime;
1007 double io_u_dist[FIO_IO_U_MAP_NR];
1011 if (!ddir_rw_sum(ts->io_bytes) && !ddir_rw_sum(ts->total_io_u))
1014 memset(time_buf, 0, sizeof(time_buf));
1017 os_ctime_r((const time_t *) &time_p, time_buf, sizeof(time_buf));
1020 log_buf(out, "%s: (groupid=%d, jobs=%d): err=%2d: pid=%d: %s",
1021 ts->name, ts->groupid, ts->members,
1022 ts->error, (int) ts->pid, time_buf);
1024 log_buf(out, "%s: (groupid=%d, jobs=%d): err=%2d (%s): pid=%d: %s",
1025 ts->name, ts->groupid, ts->members,
1026 ts->error, ts->verror, (int) ts->pid,
1030 if (strlen(ts->description))
1031 log_buf(out, " Description : [%s]\n", ts->description);
1033 if (ts->io_bytes[DDIR_READ])
1034 show_ddir_status(rs, ts, DDIR_READ, out);
1035 if (ts->io_bytes[DDIR_WRITE])
1036 show_ddir_status(rs, ts, DDIR_WRITE, out);
1037 if (ts->io_bytes[DDIR_TRIM])
1038 show_ddir_status(rs, ts, DDIR_TRIM, out);
1040 show_latencies(ts, out);
1042 if (ts->sync_stat.samples)
1043 show_ddir_status(rs, ts, DDIR_SYNC, out);
1045 runtime = ts->total_run_time;
1047 double runt = (double) runtime;
1049 usr_cpu = (double) ts->usr_time * 100 / runt;
1050 sys_cpu = (double) ts->sys_time * 100 / runt;
1056 log_buf(out, " cpu : usr=%3.2f%%, sys=%3.2f%%, ctx=%llu,"
1057 " majf=%llu, minf=%llu\n", usr_cpu, sys_cpu,
1058 (unsigned long long) ts->ctx,
1059 (unsigned long long) ts->majf,
1060 (unsigned long long) ts->minf);
1062 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
1063 log_buf(out, " IO depths : 1=%3.1f%%, 2=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%,"
1064 " 16=%3.1f%%, 32=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0],
1065 io_u_dist[1], io_u_dist[2],
1066 io_u_dist[3], io_u_dist[4],
1067 io_u_dist[5], io_u_dist[6]);
1069 stat_calc_dist(ts->io_u_submit, ts->total_submit, io_u_dist);
1070 log_buf(out, " submit : 0=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%, 16=%3.1f%%,"
1071 " 32=%3.1f%%, 64=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0],
1072 io_u_dist[1], io_u_dist[2],
1073 io_u_dist[3], io_u_dist[4],
1074 io_u_dist[5], io_u_dist[6]);
1075 stat_calc_dist(ts->io_u_complete, ts->total_complete, io_u_dist);
1076 log_buf(out, " complete : 0=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%, 16=%3.1f%%,"
1077 " 32=%3.1f%%, 64=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0],
1078 io_u_dist[1], io_u_dist[2],
1079 io_u_dist[3], io_u_dist[4],
1080 io_u_dist[5], io_u_dist[6]);
1081 log_buf(out, " issued rwts: total=%llu,%llu,%llu,%llu"
1082 " short=%llu,%llu,%llu,0"
1083 " dropped=%llu,%llu,%llu,0\n",
1084 (unsigned long long) ts->total_io_u[0],
1085 (unsigned long long) ts->total_io_u[1],
1086 (unsigned long long) ts->total_io_u[2],
1087 (unsigned long long) ts->total_io_u[3],
1088 (unsigned long long) ts->short_io_u[0],
1089 (unsigned long long) ts->short_io_u[1],
1090 (unsigned long long) ts->short_io_u[2],
1091 (unsigned long long) ts->drop_io_u[0],
1092 (unsigned long long) ts->drop_io_u[1],
1093 (unsigned long long) ts->drop_io_u[2]);
1094 if (ts->continue_on_error) {
1095 log_buf(out, " errors : total=%llu, first_error=%d/<%s>\n",
1096 (unsigned long long)ts->total_err_count,
1098 strerror(ts->first_error));
1100 if (ts->latency_depth) {
1101 log_buf(out, " latency : target=%llu, window=%llu, percentile=%.2f%%, depth=%u\n",
1102 (unsigned long long)ts->latency_target,
1103 (unsigned long long)ts->latency_window,
1104 ts->latency_percentile.u.f,
1108 if (ts->nr_block_infos)
1109 show_block_infos(ts->nr_block_infos, ts->block_infos,
1110 ts->percentile_list, out);
1113 show_ss_normal(ts, out);
1116 static void show_ddir_status_terse(struct thread_stat *ts,
1117 struct group_run_stats *rs, int ddir,
1118 int ver, struct buf_output *out)
1120 unsigned long long min, max, minv, maxv, bw, iops;
1121 unsigned long long *ovals = NULL;
1126 assert(ddir_rw(ddir));
1129 if (ts->runtime[ddir]) {
1130 uint64_t runt = ts->runtime[ddir];
1132 bw = ((1000 * ts->io_bytes[ddir]) / runt) / 1024; /* KiB/s */
1133 iops = (1000 * (uint64_t) ts->total_io_u[ddir]) / runt;
1136 log_buf(out, ";%llu;%llu;%llu;%llu",
1137 (unsigned long long) ts->io_bytes[ddir] >> 10, bw, iops,
1138 (unsigned long long) ts->runtime[ddir]);
1140 if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev))
1141 log_buf(out, ";%llu;%llu;%f;%f", min/1000, max/1000, mean/1000, dev/1000);
1143 log_buf(out, ";%llu;%llu;%f;%f", 0ULL, 0ULL, 0.0, 0.0);
1145 if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev))
1146 log_buf(out, ";%llu;%llu;%f;%f", min/1000, max/1000, mean/1000, dev/1000);
1148 log_buf(out, ";%llu;%llu;%f;%f", 0ULL, 0ULL, 0.0, 0.0);
1150 if (ts->clat_percentiles || ts->lat_percentiles) {
1151 len = calc_clat_percentiles(ts->io_u_plat[ddir],
1152 ts->clat_stat[ddir].samples,
1153 ts->percentile_list, &ovals, &maxv,
1158 for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) {
1160 log_buf(out, ";0%%=0");
1163 log_buf(out, ";%f%%=%llu", ts->percentile_list[i].u.f, ovals[i]/1000);
1166 if (calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev))
1167 log_buf(out, ";%llu;%llu;%f;%f", min/1000, max/1000, mean/1000, dev/1000);
1169 log_buf(out, ";%llu;%llu;%f;%f", 0ULL, 0ULL, 0.0, 0.0);
1174 bw_stat = calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev);
1176 double p_of_agg = 100.0;
1178 if (rs->agg[ddir]) {
1179 p_of_agg = mean * 100 / (double) (rs->agg[ddir] / 1024);
1180 if (p_of_agg > 100.0)
1184 log_buf(out, ";%llu;%llu;%f%%;%f;%f", min, max, p_of_agg, mean, dev);
1186 log_buf(out, ";%llu;%llu;%f%%;%f;%f", 0ULL, 0ULL, 0.0, 0.0, 0.0);
1190 log_buf(out, ";%" PRIu64, (&ts->bw_stat[ddir])->samples);
1192 log_buf(out, ";%lu", 0UL);
1194 if (calc_lat(&ts->iops_stat[ddir], &min, &max, &mean, &dev))
1195 log_buf(out, ";%llu;%llu;%f;%f;%" PRIu64, min, max,
1196 mean, dev, (&ts->iops_stat[ddir])->samples);
1198 log_buf(out, ";%llu;%llu;%f;%f;%lu", 0ULL, 0ULL, 0.0, 0.0, 0UL);
1202 static void add_ddir_status_json(struct thread_stat *ts,
1203 struct group_run_stats *rs, int ddir, struct json_object *parent)
1205 unsigned long long min, max, minv, maxv;
1206 unsigned long long bw_bytes, bw;
1207 unsigned long long *ovals = NULL;
1208 double mean, dev, iops;
1211 struct json_object *dir_object, *tmp_object, *percentile_object, *clat_bins_object = NULL;
1213 double p_of_agg = 100.0;
1215 assert(ddir_rw(ddir) || ddir_sync(ddir));
1217 if (ts->unified_rw_rep && ddir != DDIR_READ)
1220 dir_object = json_create_object();
1221 json_object_add_value_object(parent,
1222 ts->unified_rw_rep ? "mixed" : io_ddir_name(ddir), dir_object);
1224 if (ddir_rw(ddir)) {
1228 if (ts->runtime[ddir]) {
1229 uint64_t runt = ts->runtime[ddir];
1231 bw_bytes = ((1000 * ts->io_bytes[ddir]) / runt); /* Bytes/s */
1232 bw = bw_bytes / 1024; /* KiB/s */
1233 iops = (1000.0 * (uint64_t) ts->total_io_u[ddir]) / runt;
1236 json_object_add_value_int(dir_object, "io_bytes", ts->io_bytes[ddir]);
1237 json_object_add_value_int(dir_object, "io_kbytes", ts->io_bytes[ddir] >> 10);
1238 json_object_add_value_int(dir_object, "bw_bytes", bw_bytes);
1239 json_object_add_value_int(dir_object, "bw", bw);
1240 json_object_add_value_float(dir_object, "iops", iops);
1241 json_object_add_value_int(dir_object, "runtime", ts->runtime[ddir]);
1242 json_object_add_value_int(dir_object, "total_ios", ts->total_io_u[ddir]);
1243 json_object_add_value_int(dir_object, "short_ios", ts->short_io_u[ddir]);
1244 json_object_add_value_int(dir_object, "drop_ios", ts->drop_io_u[ddir]);
1246 if (!calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev)) {
1250 tmp_object = json_create_object();
1251 json_object_add_value_object(dir_object, "slat_ns", tmp_object);
1252 json_object_add_value_int(tmp_object, "min", min);
1253 json_object_add_value_int(tmp_object, "max", max);
1254 json_object_add_value_float(tmp_object, "mean", mean);
1255 json_object_add_value_float(tmp_object, "stddev", dev);
1257 if (!calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev)) {
1261 tmp_object = json_create_object();
1262 json_object_add_value_object(dir_object, "clat_ns", tmp_object);
1263 json_object_add_value_int(tmp_object, "min", min);
1264 json_object_add_value_int(tmp_object, "max", max);
1265 json_object_add_value_float(tmp_object, "mean", mean);
1266 json_object_add_value_float(tmp_object, "stddev", dev);
1268 if (!calc_lat(&ts->sync_stat, &min, &max, &mean, &dev)) {
1273 tmp_object = json_create_object();
1274 json_object_add_value_object(dir_object, "lat_ns", tmp_object);
1275 json_object_add_value_int(dir_object, "total_ios", ts->total_io_u[DDIR_SYNC]);
1276 json_object_add_value_int(tmp_object, "min", min);
1277 json_object_add_value_int(tmp_object, "max", max);
1278 json_object_add_value_float(tmp_object, "mean", mean);
1279 json_object_add_value_float(tmp_object, "stddev", dev);
1282 if (ts->clat_percentiles || ts->lat_percentiles) {
1283 if (ddir_rw(ddir)) {
1286 if (ts->clat_percentiles)
1287 samples = ts->clat_stat[ddir].samples;
1289 samples = ts->lat_stat[ddir].samples;
1291 len = calc_clat_percentiles(ts->io_u_plat[ddir],
1292 samples, ts->percentile_list, &ovals,
1295 len = calc_clat_percentiles(ts->io_u_sync_plat,
1296 ts->sync_stat.samples,
1297 ts->percentile_list, &ovals, &maxv,
1301 if (len > FIO_IO_U_LIST_MAX_LEN)
1302 len = FIO_IO_U_LIST_MAX_LEN;
1306 percentile_object = json_create_object();
1307 if (ts->clat_percentiles)
1308 json_object_add_value_object(tmp_object, "percentile", percentile_object);
1309 for (i = 0; i < len; i++) {
1310 snprintf(buf, sizeof(buf), "%f", ts->percentile_list[i].u.f);
1311 json_object_add_value_int(percentile_object, buf, ovals[i]);
1314 if (output_format & FIO_OUTPUT_JSON_PLUS) {
1315 clat_bins_object = json_create_object();
1316 if (ts->clat_percentiles)
1317 json_object_add_value_object(tmp_object, "bins", clat_bins_object);
1319 for(i = 0; i < FIO_IO_U_PLAT_NR; i++) {
1320 if (ddir_rw(ddir)) {
1321 if (ts->io_u_plat[ddir][i]) {
1322 snprintf(buf, sizeof(buf), "%llu", plat_idx_to_val(i));
1323 json_object_add_value_int(clat_bins_object, buf, ts->io_u_plat[ddir][i]);
1326 if (ts->io_u_sync_plat[i]) {
1327 snprintf(buf, sizeof(buf), "%llu", plat_idx_to_val(i));
1328 json_object_add_value_int(clat_bins_object, buf, ts->io_u_sync_plat[i]);
1337 if (!calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev)) {
1341 tmp_object = json_create_object();
1342 json_object_add_value_object(dir_object, "lat_ns", tmp_object);
1343 json_object_add_value_int(tmp_object, "min", min);
1344 json_object_add_value_int(tmp_object, "max", max);
1345 json_object_add_value_float(tmp_object, "mean", mean);
1346 json_object_add_value_float(tmp_object, "stddev", dev);
1347 if (ts->lat_percentiles)
1348 json_object_add_value_object(tmp_object, "percentile", percentile_object);
1349 if (output_format & FIO_OUTPUT_JSON_PLUS && ts->lat_percentiles)
1350 json_object_add_value_object(tmp_object, "bins", clat_bins_object);
1355 if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) {
1356 if (rs->agg[ddir]) {
1357 p_of_agg = mean * 100 / (double) (rs->agg[ddir] / 1024);
1358 if (p_of_agg > 100.0)
1363 p_of_agg = mean = dev = 0.0;
1365 json_object_add_value_int(dir_object, "bw_min", min);
1366 json_object_add_value_int(dir_object, "bw_max", max);
1367 json_object_add_value_float(dir_object, "bw_agg", p_of_agg);
1368 json_object_add_value_float(dir_object, "bw_mean", mean);
1369 json_object_add_value_float(dir_object, "bw_dev", dev);
1370 json_object_add_value_int(dir_object, "bw_samples",
1371 (&ts->bw_stat[ddir])->samples);
1373 if (!calc_lat(&ts->iops_stat[ddir], &min, &max, &mean, &dev)) {
1377 json_object_add_value_int(dir_object, "iops_min", min);
1378 json_object_add_value_int(dir_object, "iops_max", max);
1379 json_object_add_value_float(dir_object, "iops_mean", mean);
1380 json_object_add_value_float(dir_object, "iops_stddev", dev);
1381 json_object_add_value_int(dir_object, "iops_samples",
1382 (&ts->iops_stat[ddir])->samples);
1384 if (ts->cachehit + ts->cachemiss) {
1388 total = ts->cachehit + ts->cachemiss;
1389 hit = (double) ts->cachehit / (double) total;
1391 json_object_add_value_float(dir_object, "cachehit", hit);
1395 static void show_thread_status_terse_all(struct thread_stat *ts,
1396 struct group_run_stats *rs, int ver,
1397 struct buf_output *out)
1399 double io_u_dist[FIO_IO_U_MAP_NR];
1400 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
1401 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
1402 double usr_cpu, sys_cpu;
1407 log_buf(out, "2;%s;%d;%d", ts->name, ts->groupid, ts->error);
1409 log_buf(out, "%d;%s;%s;%d;%d", ver, fio_version_string,
1410 ts->name, ts->groupid, ts->error);
1412 /* Log Read Status */
1413 show_ddir_status_terse(ts, rs, DDIR_READ, ver, out);
1414 /* Log Write Status */
1415 show_ddir_status_terse(ts, rs, DDIR_WRITE, ver, out);
1416 /* Log Trim Status */
1417 if (ver == 2 || ver == 4 || ver == 5)
1418 show_ddir_status_terse(ts, rs, DDIR_TRIM, ver, out);
1421 if (ts->total_run_time) {
1422 double runt = (double) ts->total_run_time;
1424 usr_cpu = (double) ts->usr_time * 100 / runt;
1425 sys_cpu = (double) ts->sys_time * 100 / runt;
1431 log_buf(out, ";%f%%;%f%%;%llu;%llu;%llu", usr_cpu, sys_cpu,
1432 (unsigned long long) ts->ctx,
1433 (unsigned long long) ts->majf,
1434 (unsigned long long) ts->minf);
1436 /* Calc % distribution of IO depths, usecond, msecond latency */
1437 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
1438 stat_calc_lat_nu(ts, io_u_lat_u);
1439 stat_calc_lat_m(ts, io_u_lat_m);
1441 /* Only show fixed 7 I/O depth levels*/
1442 log_buf(out, ";%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%",
1443 io_u_dist[0], io_u_dist[1], io_u_dist[2], io_u_dist[3],
1444 io_u_dist[4], io_u_dist[5], io_u_dist[6]);
1446 /* Microsecond latency */
1447 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++)
1448 log_buf(out, ";%3.2f%%", io_u_lat_u[i]);
1449 /* Millisecond latency */
1450 for (i = 0; i < FIO_IO_U_LAT_M_NR; i++)
1451 log_buf(out, ";%3.2f%%", io_u_lat_m[i]);
1453 /* disk util stats, if any */
1454 if (ver >= 3 && is_running_backend())
1455 show_disk_util(1, NULL, out);
1457 /* Additional output if continue_on_error set - default off*/
1458 if (ts->continue_on_error)
1459 log_buf(out, ";%llu;%d", (unsigned long long) ts->total_err_count, ts->first_error);
1461 /* Additional output if description is set */
1462 if (strlen(ts->description)) {
1465 log_buf(out, ";%s", ts->description);
1471 static void json_add_job_opts(struct json_object *root, const char *name,
1472 struct flist_head *opt_list)
1474 struct json_object *dir_object;
1475 struct flist_head *entry;
1476 struct print_option *p;
1478 if (flist_empty(opt_list))
1481 dir_object = json_create_object();
1482 json_object_add_value_object(root, name, dir_object);
1484 flist_for_each(entry, opt_list) {
1485 const char *pos = "";
1487 p = flist_entry(entry, struct print_option, list);
1490 json_object_add_value_string(dir_object, p->name, pos);
1494 static struct json_object *show_thread_status_json(struct thread_stat *ts,
1495 struct group_run_stats *rs,
1496 struct flist_head *opt_list)
1498 struct json_object *root, *tmp;
1499 struct jobs_eta *je;
1500 double io_u_dist[FIO_IO_U_MAP_NR];
1501 double io_u_lat_n[FIO_IO_U_LAT_N_NR];
1502 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
1503 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
1504 double usr_cpu, sys_cpu;
1508 root = json_create_object();
1509 json_object_add_value_string(root, "jobname", ts->name);
1510 json_object_add_value_int(root, "groupid", ts->groupid);
1511 json_object_add_value_int(root, "error", ts->error);
1514 je = get_jobs_eta(true, &size);
1516 json_object_add_value_int(root, "eta", je->eta_sec);
1517 json_object_add_value_int(root, "elapsed", je->elapsed_sec);
1521 json_add_job_opts(root, "job options", opt_list);
1523 add_ddir_status_json(ts, rs, DDIR_READ, root);
1524 add_ddir_status_json(ts, rs, DDIR_WRITE, root);
1525 add_ddir_status_json(ts, rs, DDIR_TRIM, root);
1526 add_ddir_status_json(ts, rs, DDIR_SYNC, root);
1529 if (ts->total_run_time) {
1530 double runt = (double) ts->total_run_time;
1532 usr_cpu = (double) ts->usr_time * 100 / runt;
1533 sys_cpu = (double) ts->sys_time * 100 / runt;
1538 json_object_add_value_int(root, "job_runtime", ts->total_run_time);
1539 json_object_add_value_float(root, "usr_cpu", usr_cpu);
1540 json_object_add_value_float(root, "sys_cpu", sys_cpu);
1541 json_object_add_value_int(root, "ctx", ts->ctx);
1542 json_object_add_value_int(root, "majf", ts->majf);
1543 json_object_add_value_int(root, "minf", ts->minf);
1545 /* Calc % distribution of IO depths */
1546 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
1547 tmp = json_create_object();
1548 json_object_add_value_object(root, "iodepth_level", tmp);
1549 /* Only show fixed 7 I/O depth levels*/
1550 for (i = 0; i < 7; i++) {
1553 snprintf(name, 20, "%d", 1 << i);
1555 snprintf(name, 20, ">=%d", 1 << i);
1556 json_object_add_value_float(tmp, (const char *)name, io_u_dist[i]);
1559 /* Calc % distribution of submit IO depths */
1560 stat_calc_dist(ts->io_u_submit, ts->total_submit, io_u_dist);
1561 tmp = json_create_object();
1562 json_object_add_value_object(root, "iodepth_submit", tmp);
1563 /* Only show fixed 7 I/O depth levels*/
1564 for (i = 0; i < 7; i++) {
1567 snprintf(name, 20, "0");
1569 snprintf(name, 20, "%d", 1 << (i+1));
1571 snprintf(name, 20, ">=%d", 1 << i);
1572 json_object_add_value_float(tmp, (const char *)name, io_u_dist[i]);
1575 /* Calc % distribution of completion IO depths */
1576 stat_calc_dist(ts->io_u_complete, ts->total_complete, io_u_dist);
1577 tmp = json_create_object();
1578 json_object_add_value_object(root, "iodepth_complete", tmp);
1579 /* Only show fixed 7 I/O depth levels*/
1580 for (i = 0; i < 7; i++) {
1583 snprintf(name, 20, "0");
1585 snprintf(name, 20, "%d", 1 << (i+1));
1587 snprintf(name, 20, ">=%d", 1 << i);
1588 json_object_add_value_float(tmp, (const char *)name, io_u_dist[i]);
1591 /* Calc % distribution of nsecond, usecond, msecond latency */
1592 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
1593 stat_calc_lat_n(ts, io_u_lat_n);
1594 stat_calc_lat_u(ts, io_u_lat_u);
1595 stat_calc_lat_m(ts, io_u_lat_m);
1597 /* Nanosecond latency */
1598 tmp = json_create_object();
1599 json_object_add_value_object(root, "latency_ns", tmp);
1600 for (i = 0; i < FIO_IO_U_LAT_N_NR; i++) {
1601 const char *ranges[] = { "2", "4", "10", "20", "50", "100",
1602 "250", "500", "750", "1000", };
1603 json_object_add_value_float(tmp, ranges[i], io_u_lat_n[i]);
1605 /* Microsecond latency */
1606 tmp = json_create_object();
1607 json_object_add_value_object(root, "latency_us", tmp);
1608 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) {
1609 const char *ranges[] = { "2", "4", "10", "20", "50", "100",
1610 "250", "500", "750", "1000", };
1611 json_object_add_value_float(tmp, ranges[i], io_u_lat_u[i]);
1613 /* Millisecond latency */
1614 tmp = json_create_object();
1615 json_object_add_value_object(root, "latency_ms", tmp);
1616 for (i = 0; i < FIO_IO_U_LAT_M_NR; i++) {
1617 const char *ranges[] = { "2", "4", "10", "20", "50", "100",
1618 "250", "500", "750", "1000", "2000",
1620 json_object_add_value_float(tmp, ranges[i], io_u_lat_m[i]);
1623 /* Additional output if continue_on_error set - default off*/
1624 if (ts->continue_on_error) {
1625 json_object_add_value_int(root, "total_err", ts->total_err_count);
1626 json_object_add_value_int(root, "first_error", ts->first_error);
1629 if (ts->latency_depth) {
1630 json_object_add_value_int(root, "latency_depth", ts->latency_depth);
1631 json_object_add_value_int(root, "latency_target", ts->latency_target);
1632 json_object_add_value_float(root, "latency_percentile", ts->latency_percentile.u.f);
1633 json_object_add_value_int(root, "latency_window", ts->latency_window);
1636 /* Additional output if description is set */
1637 if (strlen(ts->description))
1638 json_object_add_value_string(root, "desc", ts->description);
1640 if (ts->nr_block_infos) {
1641 /* Block error histogram and types */
1643 unsigned int *percentiles = NULL;
1644 unsigned int block_state_counts[BLOCK_STATE_COUNT];
1646 len = calc_block_percentiles(ts->nr_block_infos, ts->block_infos,
1647 ts->percentile_list,
1648 &percentiles, block_state_counts);
1651 struct json_object *block, *percentile_object, *states;
1653 block = json_create_object();
1654 json_object_add_value_object(root, "block", block);
1656 percentile_object = json_create_object();
1657 json_object_add_value_object(block, "percentiles",
1659 for (i = 0; i < len; i++) {
1661 snprintf(buf, sizeof(buf), "%f",
1662 ts->percentile_list[i].u.f);
1663 json_object_add_value_int(percentile_object,
1668 states = json_create_object();
1669 json_object_add_value_object(block, "states", states);
1670 for (state = 0; state < BLOCK_STATE_COUNT; state++) {
1671 json_object_add_value_int(states,
1672 block_state_names[state],
1673 block_state_counts[state]);
1680 struct json_object *data;
1681 struct json_array *iops, *bw;
1685 snprintf(ss_buf, sizeof(ss_buf), "%s%s:%f%s",
1686 ts->ss_state & FIO_SS_IOPS ? "iops" : "bw",
1687 ts->ss_state & FIO_SS_SLOPE ? "_slope" : "",
1688 (float) ts->ss_limit.u.f,
1689 ts->ss_state & FIO_SS_PCT ? "%" : "");
1691 tmp = json_create_object();
1692 json_object_add_value_object(root, "steadystate", tmp);
1693 json_object_add_value_string(tmp, "ss", ss_buf);
1694 json_object_add_value_int(tmp, "duration", (int)ts->ss_dur);
1695 json_object_add_value_int(tmp, "attained", (ts->ss_state & FIO_SS_ATTAINED) > 0);
1697 snprintf(ss_buf, sizeof(ss_buf), "%f%s", (float) ts->ss_criterion.u.f,
1698 ts->ss_state & FIO_SS_PCT ? "%" : "");
1699 json_object_add_value_string(tmp, "criterion", ss_buf);
1700 json_object_add_value_float(tmp, "max_deviation", ts->ss_deviation.u.f);
1701 json_object_add_value_float(tmp, "slope", ts->ss_slope.u.f);
1703 data = json_create_object();
1704 json_object_add_value_object(tmp, "data", data);
1705 bw = json_create_array();
1706 iops = json_create_array();
1709 ** if ss was attained or the buffer is not full,
1710 ** ss->head points to the first element in the list.
1711 ** otherwise it actually points to the second element
1714 if ((ts->ss_state & FIO_SS_ATTAINED) || !(ts->ss_state & FIO_SS_BUFFER_FULL))
1717 j = ts->ss_head == 0 ? ts->ss_dur - 1 : ts->ss_head - 1;
1718 for (l = 0; l < ts->ss_dur; l++) {
1719 k = (j + l) % ts->ss_dur;
1720 json_array_add_value_int(bw, ts->ss_bw_data[k]);
1721 json_array_add_value_int(iops, ts->ss_iops_data[k]);
1723 json_object_add_value_int(data, "bw_mean", steadystate_bw_mean(ts));
1724 json_object_add_value_int(data, "iops_mean", steadystate_iops_mean(ts));
1725 json_object_add_value_array(data, "iops", iops);
1726 json_object_add_value_array(data, "bw", bw);
1732 static void show_thread_status_terse(struct thread_stat *ts,
1733 struct group_run_stats *rs,
1734 struct buf_output *out)
1736 if (terse_version >= 2 && terse_version <= 5)
1737 show_thread_status_terse_all(ts, rs, terse_version, out);
1739 log_err("fio: bad terse version!? %d\n", terse_version);
1742 struct json_object *show_thread_status(struct thread_stat *ts,
1743 struct group_run_stats *rs,
1744 struct flist_head *opt_list,
1745 struct buf_output *out)
1747 struct json_object *ret = NULL;
1749 if (output_format & FIO_OUTPUT_TERSE)
1750 show_thread_status_terse(ts, rs, out);
1751 if (output_format & FIO_OUTPUT_JSON)
1752 ret = show_thread_status_json(ts, rs, opt_list);
1753 if (output_format & FIO_OUTPUT_NORMAL)
1754 show_thread_status_normal(ts, rs, out);
1759 static void __sum_stat(struct io_stat *dst, struct io_stat *src, bool first)
1763 dst->min_val = min(dst->min_val, src->min_val);
1764 dst->max_val = max(dst->max_val, src->max_val);
1767 * Compute new mean and S after the merge
1768 * <http://en.wikipedia.org/wiki/Algorithms_for_calculating_variance
1769 * #Parallel_algorithm>
1772 mean = src->mean.u.f;
1775 double delta = src->mean.u.f - dst->mean.u.f;
1777 mean = ((src->mean.u.f * src->samples) +
1778 (dst->mean.u.f * dst->samples)) /
1779 (dst->samples + src->samples);
1781 S = src->S.u.f + dst->S.u.f + pow(delta, 2.0) *
1782 (dst->samples * src->samples) /
1783 (dst->samples + src->samples);
1786 dst->samples += src->samples;
1787 dst->mean.u.f = mean;
1793 * We sum two kinds of stats - one that is time based, in which case we
1794 * apply the proper summing technique, and then one that is iops/bw
1795 * numbers. For group_reporting, we should just add those up, not make
1796 * them the mean of everything.
1798 static void sum_stat(struct io_stat *dst, struct io_stat *src, bool first,
1801 if (src->samples == 0)
1805 __sum_stat(dst, src, first);
1810 dst->min_val = src->min_val;
1811 dst->max_val = src->max_val;
1812 dst->samples = src->samples;
1813 dst->mean.u.f = src->mean.u.f;
1814 dst->S.u.f = src->S.u.f;
1816 dst->min_val += src->min_val;
1817 dst->max_val += src->max_val;
1818 dst->samples += src->samples;
1819 dst->mean.u.f += src->mean.u.f;
1820 dst->S.u.f += src->S.u.f;
1824 void sum_group_stats(struct group_run_stats *dst, struct group_run_stats *src)
1828 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
1829 if (dst->max_run[i] < src->max_run[i])
1830 dst->max_run[i] = src->max_run[i];
1831 if (dst->min_run[i] && dst->min_run[i] > src->min_run[i])
1832 dst->min_run[i] = src->min_run[i];
1833 if (dst->max_bw[i] < src->max_bw[i])
1834 dst->max_bw[i] = src->max_bw[i];
1835 if (dst->min_bw[i] && dst->min_bw[i] > src->min_bw[i])
1836 dst->min_bw[i] = src->min_bw[i];
1838 dst->iobytes[i] += src->iobytes[i];
1839 dst->agg[i] += src->agg[i];
1843 dst->kb_base = src->kb_base;
1844 if (!dst->unit_base)
1845 dst->unit_base = src->unit_base;
1847 dst->sig_figs = src->sig_figs;
1850 void sum_thread_stats(struct thread_stat *dst, struct thread_stat *src,
1855 for (l = 0; l < DDIR_RWDIR_CNT; l++) {
1856 if (!dst->unified_rw_rep) {
1857 sum_stat(&dst->clat_stat[l], &src->clat_stat[l], first, false);
1858 sum_stat(&dst->slat_stat[l], &src->slat_stat[l], first, false);
1859 sum_stat(&dst->lat_stat[l], &src->lat_stat[l], first, false);
1860 sum_stat(&dst->bw_stat[l], &src->bw_stat[l], first, true);
1861 sum_stat(&dst->iops_stat[l], &src->iops_stat[l], first, true);
1863 dst->io_bytes[l] += src->io_bytes[l];
1865 if (dst->runtime[l] < src->runtime[l])
1866 dst->runtime[l] = src->runtime[l];
1868 sum_stat(&dst->clat_stat[0], &src->clat_stat[l], first, false);
1869 sum_stat(&dst->slat_stat[0], &src->slat_stat[l], first, false);
1870 sum_stat(&dst->lat_stat[0], &src->lat_stat[l], first, false);
1871 sum_stat(&dst->bw_stat[0], &src->bw_stat[l], first, true);
1872 sum_stat(&dst->iops_stat[0], &src->iops_stat[l], first, true);
1874 dst->io_bytes[0] += src->io_bytes[l];
1876 if (dst->runtime[0] < src->runtime[l])
1877 dst->runtime[0] = src->runtime[l];
1880 * We're summing to the same destination, so override
1881 * 'first' after the first iteration of the loop
1887 sum_stat(&dst->sync_stat, &src->sync_stat, first, false);
1888 dst->usr_time += src->usr_time;
1889 dst->sys_time += src->sys_time;
1890 dst->ctx += src->ctx;
1891 dst->majf += src->majf;
1892 dst->minf += src->minf;
1894 for (k = 0; k < FIO_IO_U_MAP_NR; k++) {
1895 dst->io_u_map[k] += src->io_u_map[k];
1896 dst->io_u_submit[k] += src->io_u_submit[k];
1897 dst->io_u_complete[k] += src->io_u_complete[k];
1900 for (k = 0; k < FIO_IO_U_LAT_N_NR; k++)
1901 dst->io_u_lat_n[k] += src->io_u_lat_n[k];
1902 for (k = 0; k < FIO_IO_U_LAT_U_NR; k++)
1903 dst->io_u_lat_u[k] += src->io_u_lat_u[k];
1904 for (k = 0; k < FIO_IO_U_LAT_M_NR; k++)
1905 dst->io_u_lat_m[k] += src->io_u_lat_m[k];
1907 for (k = 0; k < FIO_IO_U_PLAT_NR; k++)
1908 dst->io_u_sync_plat[k] += src->io_u_sync_plat[k];
1910 for (k = 0; k < DDIR_RWDIR_CNT; k++) {
1911 if (!dst->unified_rw_rep) {
1912 dst->total_io_u[k] += src->total_io_u[k];
1913 dst->short_io_u[k] += src->short_io_u[k];
1914 dst->drop_io_u[k] += src->drop_io_u[k];
1916 dst->total_io_u[0] += src->total_io_u[k];
1917 dst->short_io_u[0] += src->short_io_u[k];
1918 dst->drop_io_u[0] += src->drop_io_u[k];
1922 dst->total_io_u[DDIR_SYNC] += src->total_io_u[DDIR_SYNC];
1924 for (k = 0; k < DDIR_RWDIR_CNT; k++) {
1927 for (m = 0; m < FIO_IO_U_PLAT_NR; m++) {
1928 if (!dst->unified_rw_rep)
1929 dst->io_u_plat[k][m] += src->io_u_plat[k][m];
1931 dst->io_u_plat[0][m] += src->io_u_plat[k][m];
1935 dst->total_run_time += src->total_run_time;
1936 dst->total_submit += src->total_submit;
1937 dst->total_complete += src->total_complete;
1938 dst->nr_zone_resets += src->nr_zone_resets;
1939 dst->cachehit += src->cachehit;
1940 dst->cachemiss += src->cachemiss;
1943 void init_group_run_stat(struct group_run_stats *gs)
1946 memset(gs, 0, sizeof(*gs));
1948 for (i = 0; i < DDIR_RWDIR_CNT; i++)
1949 gs->min_bw[i] = gs->min_run[i] = ~0UL;
1952 void init_thread_stat(struct thread_stat *ts)
1956 memset(ts, 0, sizeof(*ts));
1958 for (j = 0; j < DDIR_RWDIR_CNT; j++) {
1959 ts->lat_stat[j].min_val = -1UL;
1960 ts->clat_stat[j].min_val = -1UL;
1961 ts->slat_stat[j].min_val = -1UL;
1962 ts->bw_stat[j].min_val = -1UL;
1963 ts->iops_stat[j].min_val = -1UL;
1965 ts->sync_stat.min_val = -1UL;
1969 void __show_run_stats(void)
1971 struct group_run_stats *runstats, *rs;
1972 struct thread_data *td;
1973 struct thread_stat *threadstats, *ts;
1974 int i, j, k, nr_ts, last_ts, idx;
1975 bool kb_base_warned = false;
1976 bool unit_base_warned = false;
1977 struct json_object *root = NULL;
1978 struct json_array *array = NULL;
1979 struct buf_output output[FIO_OUTPUT_NR];
1980 struct flist_head **opt_lists;
1982 runstats = malloc(sizeof(struct group_run_stats) * (groupid + 1));
1984 for (i = 0; i < groupid + 1; i++)
1985 init_group_run_stat(&runstats[i]);
1988 * find out how many threads stats we need. if group reporting isn't
1989 * enabled, it's one-per-td.
1993 for_each_td(td, i) {
1994 if (!td->o.group_reporting) {
1998 if (last_ts == td->groupid)
2003 last_ts = td->groupid;
2007 threadstats = malloc(nr_ts * sizeof(struct thread_stat));
2008 opt_lists = malloc(nr_ts * sizeof(struct flist_head *));
2010 for (i = 0; i < nr_ts; i++) {
2011 init_thread_stat(&threadstats[i]);
2012 opt_lists[i] = NULL;
2018 for_each_td(td, i) {
2021 if (idx && (!td->o.group_reporting ||
2022 (td->o.group_reporting && last_ts != td->groupid))) {
2027 last_ts = td->groupid;
2029 ts = &threadstats[j];
2031 ts->clat_percentiles = td->o.clat_percentiles;
2032 ts->lat_percentiles = td->o.lat_percentiles;
2033 ts->percentile_precision = td->o.percentile_precision;
2034 memcpy(ts->percentile_list, td->o.percentile_list, sizeof(td->o.percentile_list));
2035 opt_lists[j] = &td->opt_list;
2040 if (ts->groupid == -1) {
2042 * These are per-group shared already
2044 snprintf(ts->name, sizeof(ts->name), "%s", td->o.name);
2045 if (td->o.description)
2046 snprintf(ts->description,
2047 sizeof(ts->description), "%s",
2050 memset(ts->description, 0, FIO_JOBDESC_SIZE);
2053 * If multiple entries in this group, this is
2056 ts->thread_number = td->thread_number;
2057 ts->groupid = td->groupid;
2060 * first pid in group, not very useful...
2064 ts->kb_base = td->o.kb_base;
2065 ts->unit_base = td->o.unit_base;
2066 ts->sig_figs = td->o.sig_figs;
2067 ts->unified_rw_rep = td->o.unified_rw_rep;
2068 } else if (ts->kb_base != td->o.kb_base && !kb_base_warned) {
2069 log_info("fio: kb_base differs for jobs in group, using"
2070 " %u as the base\n", ts->kb_base);
2071 kb_base_warned = true;
2072 } else if (ts->unit_base != td->o.unit_base && !unit_base_warned) {
2073 log_info("fio: unit_base differs for jobs in group, using"
2074 " %u as the base\n", ts->unit_base);
2075 unit_base_warned = true;
2078 ts->continue_on_error = td->o.continue_on_error;
2079 ts->total_err_count += td->total_err_count;
2080 ts->first_error = td->first_error;
2082 if (!td->error && td->o.continue_on_error &&
2084 ts->error = td->first_error;
2085 snprintf(ts->verror, sizeof(ts->verror), "%s",
2087 } else if (td->error) {
2088 ts->error = td->error;
2089 snprintf(ts->verror, sizeof(ts->verror), "%s",
2094 ts->latency_depth = td->latency_qd;
2095 ts->latency_target = td->o.latency_target;
2096 ts->latency_percentile = td->o.latency_percentile;
2097 ts->latency_window = td->o.latency_window;
2099 ts->nr_block_infos = td->ts.nr_block_infos;
2100 for (k = 0; k < ts->nr_block_infos; k++)
2101 ts->block_infos[k] = td->ts.block_infos[k];
2103 sum_thread_stats(ts, &td->ts, idx == 1);
2106 ts->ss_state = td->ss.state;
2107 ts->ss_dur = td->ss.dur;
2108 ts->ss_head = td->ss.head;
2109 ts->ss_bw_data = td->ss.bw_data;
2110 ts->ss_iops_data = td->ss.iops_data;
2111 ts->ss_limit.u.f = td->ss.limit;
2112 ts->ss_slope.u.f = td->ss.slope;
2113 ts->ss_deviation.u.f = td->ss.deviation;
2114 ts->ss_criterion.u.f = td->ss.criterion;
2117 ts->ss_dur = ts->ss_state = 0;
2120 for (i = 0; i < nr_ts; i++) {
2121 unsigned long long bw;
2123 ts = &threadstats[i];
2124 if (ts->groupid == -1)
2126 rs = &runstats[ts->groupid];
2127 rs->kb_base = ts->kb_base;
2128 rs->unit_base = ts->unit_base;
2129 rs->sig_figs = ts->sig_figs;
2130 rs->unified_rw_rep += ts->unified_rw_rep;
2132 for (j = 0; j < DDIR_RWDIR_CNT; j++) {
2133 if (!ts->runtime[j])
2135 if (ts->runtime[j] < rs->min_run[j] || !rs->min_run[j])
2136 rs->min_run[j] = ts->runtime[j];
2137 if (ts->runtime[j] > rs->max_run[j])
2138 rs->max_run[j] = ts->runtime[j];
2142 bw = ts->io_bytes[j] * 1000 / ts->runtime[j];
2143 if (bw < rs->min_bw[j])
2145 if (bw > rs->max_bw[j])
2148 rs->iobytes[j] += ts->io_bytes[j];
2152 for (i = 0; i < groupid + 1; i++) {
2157 for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++) {
2158 if (rs->max_run[ddir])
2159 rs->agg[ddir] = (rs->iobytes[ddir] * 1000) /
2164 for (i = 0; i < FIO_OUTPUT_NR; i++)
2165 buf_output_init(&output[i]);
2168 * don't overwrite last signal output
2170 if (output_format & FIO_OUTPUT_NORMAL)
2171 log_buf(&output[__FIO_OUTPUT_NORMAL], "\n");
2172 if (output_format & FIO_OUTPUT_JSON) {
2173 struct thread_data *global;
2176 unsigned long long ms_since_epoch;
2179 gettimeofday(&now, NULL);
2180 ms_since_epoch = (unsigned long long)(now.tv_sec) * 1000 +
2181 (unsigned long long)(now.tv_usec) / 1000;
2183 tv_sec = now.tv_sec;
2184 os_ctime_r(&tv_sec, time_buf, sizeof(time_buf));
2185 if (time_buf[strlen(time_buf) - 1] == '\n')
2186 time_buf[strlen(time_buf) - 1] = '\0';
2188 root = json_create_object();
2189 json_object_add_value_string(root, "fio version", fio_version_string);
2190 json_object_add_value_int(root, "timestamp", now.tv_sec);
2191 json_object_add_value_int(root, "timestamp_ms", ms_since_epoch);
2192 json_object_add_value_string(root, "time", time_buf);
2193 global = get_global_options();
2194 json_add_job_opts(root, "global options", &global->opt_list);
2195 array = json_create_array();
2196 json_object_add_value_array(root, "jobs", array);
2200 fio_server_send_job_options(&get_global_options()->opt_list, -1U);
2202 for (i = 0; i < nr_ts; i++) {
2203 ts = &threadstats[i];
2204 rs = &runstats[ts->groupid];
2207 fio_server_send_job_options(opt_lists[i], i);
2208 fio_server_send_ts(ts, rs);
2210 if (output_format & FIO_OUTPUT_TERSE)
2211 show_thread_status_terse(ts, rs, &output[__FIO_OUTPUT_TERSE]);
2212 if (output_format & FIO_OUTPUT_JSON) {
2213 struct json_object *tmp = show_thread_status_json(ts, rs, opt_lists[i]);
2214 json_array_add_value_object(array, tmp);
2216 if (output_format & FIO_OUTPUT_NORMAL)
2217 show_thread_status_normal(ts, rs, &output[__FIO_OUTPUT_NORMAL]);
2220 if (!is_backend && (output_format & FIO_OUTPUT_JSON)) {
2221 /* disk util stats, if any */
2222 show_disk_util(1, root, &output[__FIO_OUTPUT_JSON]);
2224 show_idle_prof_stats(FIO_OUTPUT_JSON, root, &output[__FIO_OUTPUT_JSON]);
2226 json_print_object(root, &output[__FIO_OUTPUT_JSON]);
2227 log_buf(&output[__FIO_OUTPUT_JSON], "\n");
2228 json_free_object(root);
2231 for (i = 0; i < groupid + 1; i++) {
2236 fio_server_send_gs(rs);
2237 else if (output_format & FIO_OUTPUT_NORMAL)
2238 show_group_stats(rs, &output[__FIO_OUTPUT_NORMAL]);
2242 fio_server_send_du();
2243 else if (output_format & FIO_OUTPUT_NORMAL) {
2244 show_disk_util(0, NULL, &output[__FIO_OUTPUT_NORMAL]);
2245 show_idle_prof_stats(FIO_OUTPUT_NORMAL, NULL, &output[__FIO_OUTPUT_NORMAL]);
2248 for (i = 0; i < FIO_OUTPUT_NR; i++) {
2249 struct buf_output *out = &output[i];
2251 log_info_buf(out->buf, out->buflen);
2252 buf_output_free(out);
2255 fio_idle_prof_cleanup();
2263 void __show_running_run_stats(void)
2265 struct thread_data *td;
2266 unsigned long long *rt;
2270 fio_sem_down(stat_sem);
2272 rt = malloc(thread_number * sizeof(unsigned long long));
2273 fio_gettime(&ts, NULL);
2275 for_each_td(td, i) {
2276 td->update_rusage = 1;
2277 td->ts.io_bytes[DDIR_READ] = td->io_bytes[DDIR_READ];
2278 td->ts.io_bytes[DDIR_WRITE] = td->io_bytes[DDIR_WRITE];
2279 td->ts.io_bytes[DDIR_TRIM] = td->io_bytes[DDIR_TRIM];
2280 td->ts.total_run_time = mtime_since(&td->epoch, &ts);
2282 rt[i] = mtime_since(&td->start, &ts);
2283 if (td_read(td) && td->ts.io_bytes[DDIR_READ])
2284 td->ts.runtime[DDIR_READ] += rt[i];
2285 if (td_write(td) && td->ts.io_bytes[DDIR_WRITE])
2286 td->ts.runtime[DDIR_WRITE] += rt[i];
2287 if (td_trim(td) && td->ts.io_bytes[DDIR_TRIM])
2288 td->ts.runtime[DDIR_TRIM] += rt[i];
2291 for_each_td(td, i) {
2292 if (td->runstate >= TD_EXITED)
2294 if (td->rusage_sem) {
2295 td->update_rusage = 1;
2296 fio_sem_down(td->rusage_sem);
2298 td->update_rusage = 0;
2303 for_each_td(td, i) {
2304 if (td_read(td) && td->ts.io_bytes[DDIR_READ])
2305 td->ts.runtime[DDIR_READ] -= rt[i];
2306 if (td_write(td) && td->ts.io_bytes[DDIR_WRITE])
2307 td->ts.runtime[DDIR_WRITE] -= rt[i];
2308 if (td_trim(td) && td->ts.io_bytes[DDIR_TRIM])
2309 td->ts.runtime[DDIR_TRIM] -= rt[i];
2313 fio_sem_up(stat_sem);
2316 static bool status_interval_init;
2317 static struct timespec status_time;
2318 static bool status_file_disabled;
2320 #define FIO_STATUS_FILE "fio-dump-status"
2322 static int check_status_file(void)
2325 const char *temp_dir;
2326 char fio_status_file_path[PATH_MAX];
2328 if (status_file_disabled)
2331 temp_dir = getenv("TMPDIR");
2332 if (temp_dir == NULL) {
2333 temp_dir = getenv("TEMP");
2334 if (temp_dir && strlen(temp_dir) >= PATH_MAX)
2337 if (temp_dir == NULL)
2340 __coverity_tainted_data_sanitize__(temp_dir);
2343 snprintf(fio_status_file_path, sizeof(fio_status_file_path), "%s/%s", temp_dir, FIO_STATUS_FILE);
2345 if (stat(fio_status_file_path, &sb))
2348 if (unlink(fio_status_file_path) < 0) {
2349 log_err("fio: failed to unlink %s: %s\n", fio_status_file_path,
2351 log_err("fio: disabling status file updates\n");
2352 status_file_disabled = true;
2358 void check_for_running_stats(void)
2360 if (status_interval) {
2361 if (!status_interval_init) {
2362 fio_gettime(&status_time, NULL);
2363 status_interval_init = true;
2364 } else if (mtime_since_now(&status_time) >= status_interval) {
2365 show_running_run_stats();
2366 fio_gettime(&status_time, NULL);
2370 if (check_status_file()) {
2371 show_running_run_stats();
2376 static inline void add_stat_sample(struct io_stat *is, unsigned long long data)
2381 if (data > is->max_val)
2383 if (data < is->min_val)
2386 delta = val - is->mean.u.f;
2388 is->mean.u.f += delta / (is->samples + 1.0);
2389 is->S.u.f += delta * (val - is->mean.u.f);
2396 * Return a struct io_logs, which is added to the tail of the log
2399 static struct io_logs *get_new_log(struct io_log *iolog)
2401 size_t new_size, new_samples;
2402 struct io_logs *cur_log;
2405 * Cap the size at MAX_LOG_ENTRIES, so we don't keep doubling
2408 if (!iolog->cur_log_max)
2409 new_samples = DEF_LOG_ENTRIES;
2411 new_samples = iolog->cur_log_max * 2;
2412 if (new_samples > MAX_LOG_ENTRIES)
2413 new_samples = MAX_LOG_ENTRIES;
2416 new_size = new_samples * log_entry_sz(iolog);
2418 cur_log = smalloc(sizeof(*cur_log));
2420 INIT_FLIST_HEAD(&cur_log->list);
2421 cur_log->log = malloc(new_size);
2423 cur_log->nr_samples = 0;
2424 cur_log->max_samples = new_samples;
2425 flist_add_tail(&cur_log->list, &iolog->io_logs);
2426 iolog->cur_log_max = new_samples;
2436 * Add and return a new log chunk, or return current log if big enough
2438 static struct io_logs *regrow_log(struct io_log *iolog)
2440 struct io_logs *cur_log;
2443 if (!iolog || iolog->disabled)
2446 cur_log = iolog_cur_log(iolog);
2448 cur_log = get_new_log(iolog);
2453 if (cur_log->nr_samples < cur_log->max_samples)
2457 * No room for a new sample. If we're compressing on the fly, flush
2458 * out the current chunk
2460 if (iolog->log_gz) {
2461 if (iolog_cur_flush(iolog, cur_log)) {
2462 log_err("fio: failed flushing iolog! Will stop logging.\n");
2468 * Get a new log array, and add to our list
2470 cur_log = get_new_log(iolog);
2472 log_err("fio: failed extending iolog! Will stop logging.\n");
2476 if (!iolog->pending || !iolog->pending->nr_samples)
2480 * Flush pending items to new log
2482 for (i = 0; i < iolog->pending->nr_samples; i++) {
2483 struct io_sample *src, *dst;
2485 src = get_sample(iolog, iolog->pending, i);
2486 dst = get_sample(iolog, cur_log, i);
2487 memcpy(dst, src, log_entry_sz(iolog));
2489 cur_log->nr_samples = iolog->pending->nr_samples;
2491 iolog->pending->nr_samples = 0;
2495 iolog->disabled = true;
2499 void regrow_logs(struct thread_data *td)
2501 regrow_log(td->slat_log);
2502 regrow_log(td->clat_log);
2503 regrow_log(td->clat_hist_log);
2504 regrow_log(td->lat_log);
2505 regrow_log(td->bw_log);
2506 regrow_log(td->iops_log);
2507 td->flags &= ~TD_F_REGROW_LOGS;
2510 static struct io_logs *get_cur_log(struct io_log *iolog)
2512 struct io_logs *cur_log;
2514 cur_log = iolog_cur_log(iolog);
2516 cur_log = get_new_log(iolog);
2521 if (cur_log->nr_samples < cur_log->max_samples)
2525 * Out of space. If we're in IO offload mode, or we're not doing
2526 * per unit logging (hence logging happens outside of the IO thread
2527 * as well), add a new log chunk inline. If we're doing inline
2528 * submissions, flag 'td' as needing a log regrow and we'll take
2529 * care of it on the submission side.
2531 if ((iolog->td && iolog->td->o.io_submit_mode == IO_MODE_OFFLOAD) ||
2532 !per_unit_log(iolog))
2533 return regrow_log(iolog);
2536 iolog->td->flags |= TD_F_REGROW_LOGS;
2538 assert(iolog->pending->nr_samples < iolog->pending->max_samples);
2539 return iolog->pending;
2542 static void __add_log_sample(struct io_log *iolog, union io_sample_data data,
2543 enum fio_ddir ddir, unsigned long long bs,
2544 unsigned long t, uint64_t offset)
2546 struct io_logs *cur_log;
2548 if (iolog->disabled)
2550 if (flist_empty(&iolog->io_logs))
2551 iolog->avg_last[ddir] = t;
2553 cur_log = get_cur_log(iolog);
2555 struct io_sample *s;
2557 s = get_sample(iolog, cur_log, cur_log->nr_samples);
2560 s->time = t + (iolog->td ? iolog->td->unix_epoch : 0);
2561 io_sample_set_ddir(iolog, s, ddir);
2564 if (iolog->log_offset) {
2565 struct io_sample_offset *so = (void *) s;
2567 so->offset = offset;
2570 cur_log->nr_samples++;
2574 iolog->disabled = true;
2577 static inline void reset_io_stat(struct io_stat *ios)
2579 ios->min_val = -1ULL;
2580 ios->max_val = ios->samples = 0;
2581 ios->mean.u.f = ios->S.u.f = 0;
2584 void reset_io_stats(struct thread_data *td)
2586 struct thread_stat *ts = &td->ts;
2589 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
2590 reset_io_stat(&ts->clat_stat[i]);
2591 reset_io_stat(&ts->slat_stat[i]);
2592 reset_io_stat(&ts->lat_stat[i]);
2593 reset_io_stat(&ts->bw_stat[i]);
2594 reset_io_stat(&ts->iops_stat[i]);
2596 ts->io_bytes[i] = 0;
2598 ts->total_io_u[i] = 0;
2599 ts->short_io_u[i] = 0;
2600 ts->drop_io_u[i] = 0;
2602 for (j = 0; j < FIO_IO_U_PLAT_NR; j++) {
2603 ts->io_u_plat[i][j] = 0;
2605 ts->io_u_sync_plat[j] = 0;
2609 ts->total_io_u[DDIR_SYNC] = 0;
2611 for (i = 0; i < FIO_IO_U_MAP_NR; i++) {
2612 ts->io_u_map[i] = 0;
2613 ts->io_u_submit[i] = 0;
2614 ts->io_u_complete[i] = 0;
2617 for (i = 0; i < FIO_IO_U_LAT_N_NR; i++)
2618 ts->io_u_lat_n[i] = 0;
2619 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++)
2620 ts->io_u_lat_u[i] = 0;
2621 for (i = 0; i < FIO_IO_U_LAT_M_NR; i++)
2622 ts->io_u_lat_m[i] = 0;
2624 ts->total_submit = 0;
2625 ts->total_complete = 0;
2626 ts->nr_zone_resets = 0;
2627 ts->cachehit = ts->cachemiss = 0;
2630 static void __add_stat_to_log(struct io_log *iolog, enum fio_ddir ddir,
2631 unsigned long elapsed, bool log_max)
2634 * Note an entry in the log. Use the mean from the logged samples,
2635 * making sure to properly round up. Only write a log entry if we
2636 * had actual samples done.
2638 if (iolog->avg_window[ddir].samples) {
2639 union io_sample_data data;
2642 data.val = iolog->avg_window[ddir].max_val;
2644 data.val = iolog->avg_window[ddir].mean.u.f + 0.50;
2646 __add_log_sample(iolog, data, ddir, 0, elapsed, 0);
2649 reset_io_stat(&iolog->avg_window[ddir]);
2652 static void _add_stat_to_log(struct io_log *iolog, unsigned long elapsed,
2657 for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++)
2658 __add_stat_to_log(iolog, ddir, elapsed, log_max);
2661 static unsigned long add_log_sample(struct thread_data *td,
2662 struct io_log *iolog,
2663 union io_sample_data data,
2664 enum fio_ddir ddir, unsigned long long bs,
2667 unsigned long elapsed, this_window;
2672 elapsed = mtime_since_now(&td->epoch);
2675 * If no time averaging, just add the log sample.
2677 if (!iolog->avg_msec) {
2678 __add_log_sample(iolog, data, ddir, bs, elapsed, offset);
2683 * Add the sample. If the time period has passed, then
2684 * add that entry to the log and clear.
2686 add_stat_sample(&iolog->avg_window[ddir], data.val);
2689 * If period hasn't passed, adding the above sample is all we
2692 this_window = elapsed - iolog->avg_last[ddir];
2693 if (elapsed < iolog->avg_last[ddir])
2694 return iolog->avg_last[ddir] - elapsed;
2695 else if (this_window < iolog->avg_msec) {
2696 unsigned long diff = iolog->avg_msec - this_window;
2698 if (inline_log(iolog) || diff > LOG_MSEC_SLACK)
2702 __add_stat_to_log(iolog, ddir, elapsed, td->o.log_max != 0);
2704 iolog->avg_last[ddir] = elapsed - (this_window - iolog->avg_msec);
2705 return iolog->avg_msec;
2708 void finalize_logs(struct thread_data *td, bool unit_logs)
2710 unsigned long elapsed;
2712 elapsed = mtime_since_now(&td->epoch);
2714 if (td->clat_log && unit_logs)
2715 _add_stat_to_log(td->clat_log, elapsed, td->o.log_max != 0);
2716 if (td->slat_log && unit_logs)
2717 _add_stat_to_log(td->slat_log, elapsed, td->o.log_max != 0);
2718 if (td->lat_log && unit_logs)
2719 _add_stat_to_log(td->lat_log, elapsed, td->o.log_max != 0);
2720 if (td->bw_log && (unit_logs == per_unit_log(td->bw_log)))
2721 _add_stat_to_log(td->bw_log, elapsed, td->o.log_max != 0);
2722 if (td->iops_log && (unit_logs == per_unit_log(td->iops_log)))
2723 _add_stat_to_log(td->iops_log, elapsed, td->o.log_max != 0);
2726 void add_agg_sample(union io_sample_data data, enum fio_ddir ddir, unsigned long long bs)
2728 struct io_log *iolog;
2733 iolog = agg_io_log[ddir];
2734 __add_log_sample(iolog, data, ddir, bs, mtime_since_genesis(), 0);
2737 void add_sync_clat_sample(struct thread_stat *ts, unsigned long long nsec)
2739 unsigned int idx = plat_val_to_idx(nsec);
2740 assert(idx < FIO_IO_U_PLAT_NR);
2742 ts->io_u_sync_plat[idx]++;
2743 add_stat_sample(&ts->sync_stat, nsec);
2746 static void add_clat_percentile_sample(struct thread_stat *ts,
2747 unsigned long long nsec, enum fio_ddir ddir)
2749 unsigned int idx = plat_val_to_idx(nsec);
2750 assert(idx < FIO_IO_U_PLAT_NR);
2752 ts->io_u_plat[ddir][idx]++;
2755 void add_clat_sample(struct thread_data *td, enum fio_ddir ddir,
2756 unsigned long long nsec, unsigned long long bs,
2759 const bool needs_lock = td_async_processing(td);
2760 unsigned long elapsed, this_window;
2761 struct thread_stat *ts = &td->ts;
2762 struct io_log *iolog = td->clat_hist_log;
2767 add_stat_sample(&ts->clat_stat[ddir], nsec);
2770 add_log_sample(td, td->clat_log, sample_val(nsec), ddir, bs,
2773 if (ts->clat_percentiles)
2774 add_clat_percentile_sample(ts, nsec, ddir);
2776 if (iolog && iolog->hist_msec) {
2777 struct io_hist *hw = &iolog->hist_window[ddir];
2780 elapsed = mtime_since_now(&td->epoch);
2782 hw->hist_last = elapsed;
2783 this_window = elapsed - hw->hist_last;
2785 if (this_window >= iolog->hist_msec) {
2786 uint64_t *io_u_plat;
2787 struct io_u_plat_entry *dst;
2790 * Make a byte-for-byte copy of the latency histogram
2791 * stored in td->ts.io_u_plat[ddir], recording it in a
2792 * log sample. Note that the matching call to free() is
2793 * located in iolog.c after printing this sample to the
2796 io_u_plat = (uint64_t *) td->ts.io_u_plat[ddir];
2797 dst = malloc(sizeof(struct io_u_plat_entry));
2798 memcpy(&(dst->io_u_plat), io_u_plat,
2799 FIO_IO_U_PLAT_NR * sizeof(uint64_t));
2800 flist_add(&dst->list, &hw->list);
2801 __add_log_sample(iolog, sample_plat(dst), ddir, bs,
2805 * Update the last time we recorded as being now, minus
2806 * any drift in time we encountered before actually
2807 * making the record.
2809 hw->hist_last = elapsed - (this_window - iolog->hist_msec);
2815 __td_io_u_unlock(td);
2818 void add_slat_sample(struct thread_data *td, enum fio_ddir ddir,
2819 unsigned long usec, unsigned long long bs, uint64_t offset)
2821 const bool needs_lock = td_async_processing(td);
2822 struct thread_stat *ts = &td->ts;
2830 add_stat_sample(&ts->slat_stat[ddir], usec);
2833 add_log_sample(td, td->slat_log, sample_val(usec), ddir, bs, offset);
2836 __td_io_u_unlock(td);
2839 void add_lat_sample(struct thread_data *td, enum fio_ddir ddir,
2840 unsigned long long nsec, unsigned long long bs,
2843 const bool needs_lock = td_async_processing(td);
2844 struct thread_stat *ts = &td->ts;
2852 add_stat_sample(&ts->lat_stat[ddir], nsec);
2855 add_log_sample(td, td->lat_log, sample_val(nsec), ddir, bs,
2858 if (ts->lat_percentiles)
2859 add_clat_percentile_sample(ts, nsec, ddir);
2862 __td_io_u_unlock(td);
2865 void add_bw_sample(struct thread_data *td, struct io_u *io_u,
2866 unsigned int bytes, unsigned long long spent)
2868 const bool needs_lock = td_async_processing(td);
2869 struct thread_stat *ts = &td->ts;
2873 rate = (unsigned long) (bytes * 1000000ULL / spent);
2880 add_stat_sample(&ts->bw_stat[io_u->ddir], rate);
2883 add_log_sample(td, td->bw_log, sample_val(rate), io_u->ddir,
2884 bytes, io_u->offset);
2886 td->stat_io_bytes[io_u->ddir] = td->this_io_bytes[io_u->ddir];
2889 __td_io_u_unlock(td);
2892 static int __add_samples(struct thread_data *td, struct timespec *parent_tv,
2893 struct timespec *t, unsigned int avg_time,
2894 uint64_t *this_io_bytes, uint64_t *stat_io_bytes,
2895 struct io_stat *stat, struct io_log *log,
2898 const bool needs_lock = td_async_processing(td);
2899 unsigned long spent, rate;
2901 unsigned long next, next_log;
2903 next_log = avg_time;
2905 spent = mtime_since(parent_tv, t);
2906 if (spent < avg_time && avg_time - spent >= LOG_MSEC_SLACK)
2907 return avg_time - spent;
2913 * Compute both read and write rates for the interval.
2915 for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++) {
2918 delta = this_io_bytes[ddir] - stat_io_bytes[ddir];
2920 continue; /* No entries for interval */
2924 rate = delta * 1000 / spent / 1024; /* KiB/s */
2926 rate = (delta * 1000) / spent;
2930 add_stat_sample(&stat[ddir], rate);
2933 unsigned long long bs = 0;
2935 if (td->o.min_bs[ddir] == td->o.max_bs[ddir])
2936 bs = td->o.min_bs[ddir];
2938 next = add_log_sample(td, log, sample_val(rate), ddir, bs, 0);
2939 next_log = min(next_log, next);
2942 stat_io_bytes[ddir] = this_io_bytes[ddir];
2945 timespec_add_msec(parent_tv, avg_time);
2948 __td_io_u_unlock(td);
2950 if (spent <= avg_time)
2953 next = avg_time - (1 + spent - avg_time);
2955 return min(next, next_log);
2958 static int add_bw_samples(struct thread_data *td, struct timespec *t)
2960 return __add_samples(td, &td->bw_sample_time, t, td->o.bw_avg_time,
2961 td->this_io_bytes, td->stat_io_bytes,
2962 td->ts.bw_stat, td->bw_log, true);
2965 void add_iops_sample(struct thread_data *td, struct io_u *io_u,
2968 const bool needs_lock = td_async_processing(td);
2969 struct thread_stat *ts = &td->ts;
2974 add_stat_sample(&ts->iops_stat[io_u->ddir], 1);
2977 add_log_sample(td, td->iops_log, sample_val(1), io_u->ddir,
2978 bytes, io_u->offset);
2980 td->stat_io_blocks[io_u->ddir] = td->this_io_blocks[io_u->ddir];
2983 __td_io_u_unlock(td);
2986 static int add_iops_samples(struct thread_data *td, struct timespec *t)
2988 return __add_samples(td, &td->iops_sample_time, t, td->o.iops_avg_time,
2989 td->this_io_blocks, td->stat_io_blocks,
2990 td->ts.iops_stat, td->iops_log, false);
2994 * Returns msecs to next event
2996 int calc_log_samples(void)
2998 struct thread_data *td;
2999 unsigned int next = ~0U, tmp;
3000 struct timespec now;
3003 fio_gettime(&now, NULL);
3005 for_each_td(td, i) {
3008 if (in_ramp_time(td) ||
3009 !(td->runstate == TD_RUNNING || td->runstate == TD_VERIFYING)) {
3010 next = min(td->o.iops_avg_time, td->o.bw_avg_time);
3014 (td->bw_log && !per_unit_log(td->bw_log))) {
3015 tmp = add_bw_samples(td, &now);
3019 if (!td->iops_log ||
3020 (td->iops_log && !per_unit_log(td->iops_log))) {
3021 tmp = add_iops_samples(td, &now);
3027 return next == ~0U ? 0 : next;
3030 void stat_init(void)
3032 stat_sem = fio_sem_init(FIO_SEM_UNLOCKED);
3035 void stat_exit(void)
3038 * When we have the mutex, we know out-of-band access to it
3041 fio_sem_down(stat_sem);
3042 fio_sem_remove(stat_sem);
3046 * Called from signal handler. Wake up status thread.
3048 void show_running_run_stats(void)
3053 uint32_t *io_u_block_info(struct thread_data *td, struct io_u *io_u)
3055 /* Ignore io_u's which span multiple blocks--they will just get
3056 * inaccurate counts. */
3057 int idx = (io_u->offset - io_u->file->file_offset)
3058 / td->o.bs[DDIR_TRIM];
3059 uint32_t *info = &td->ts.block_infos[idx];
3060 assert(idx < td->ts.nr_block_infos);