Add support for options being a power-of-2
[fio.git] / stat.c
CommitLineData
3c39a379
JA
1#include <stdio.h>
2#include <string.h>
3#include <sys/time.h>
4#include <sys/types.h>
5c4e1dbc 5#include <sys/stat.h>
3c39a379
JA
6#include <dirent.h>
7#include <libgen.h>
8#include <math.h>
9
10#include "fio.h"
7c9b1bce 11#include "diskutil.h"
c7c6cb4c 12#include "lib/ieee754.h"
cc372b17 13#include "json.h"
44404c5a 14#include "lib/getrusage.h"
f2a2ce0e 15#include "idletime.h"
0f38bbef 16#include "lib/pow2.h"
3c39a379 17
e5437a07 18struct fio_mutex *stat_mutex;
cef9175e 19
3c39a379
JA
20void update_rusage_stat(struct thread_data *td)
21{
756867bd 22 struct thread_stat *ts = &td->ts;
3c39a379 23
44404c5a 24 fio_getrusage(&td->ru_end);
c8aaba19
JA
25 ts->usr_time += mtime_since(&td->ru_start.ru_utime,
26 &td->ru_end.ru_utime);
27 ts->sys_time += mtime_since(&td->ru_start.ru_stime,
28 &td->ru_end.ru_stime);
29 ts->ctx += td->ru_end.ru_nvcsw + td->ru_end.ru_nivcsw
30 - (td->ru_start.ru_nvcsw + td->ru_start.ru_nivcsw);
31 ts->minf += td->ru_end.ru_minflt - td->ru_start.ru_minflt;
32 ts->majf += td->ru_end.ru_majflt - td->ru_start.ru_majflt;
5ec10eaa 33
c8aaba19 34 memcpy(&td->ru_start, &td->ru_end, sizeof(td->ru_end));
3c39a379
JA
35}
36
83349190
YH
37/*
38 * Given a latency, return the index of the corresponding bucket in
39 * the structure tracking percentiles.
40 *
41 * (1) find the group (and error bits) that the value (latency)
42 * belongs to by looking at its MSB. (2) find the bucket number in the
43 * group by looking at the index bits.
44 *
45 */
46static unsigned int plat_val_to_idx(unsigned int val)
47{
48 unsigned int msb, error_bits, base, offset, idx;
49
50 /* Find MSB starting from bit 0 */
51 if (val == 0)
52 msb = 0;
53 else
54 msb = (sizeof(val)*8) - __builtin_clz(val) - 1;
55
716050f2
JA
56 /*
57 * MSB <= (FIO_IO_U_PLAT_BITS-1), cannot be rounded off. Use
58 * all bits of the sample as index
59 */
83349190
YH
60 if (msb <= FIO_IO_U_PLAT_BITS)
61 return val;
62
63 /* Compute the number of error bits to discard*/
64 error_bits = msb - FIO_IO_U_PLAT_BITS;
65
66 /* Compute the number of buckets before the group */
67 base = (error_bits + 1) << FIO_IO_U_PLAT_BITS;
68
716050f2
JA
69 /*
70 * Discard the error bits and apply the mask to find the
3c3ed070 71 * index for the buckets in the group
716050f2 72 */
83349190
YH
73 offset = (FIO_IO_U_PLAT_VAL - 1) & (val >> error_bits);
74
75 /* Make sure the index does not exceed (array size - 1) */
3c3ed070 76 idx = (base + offset) < (FIO_IO_U_PLAT_NR - 1) ?
83349190
YH
77 (base + offset) : (FIO_IO_U_PLAT_NR - 1);
78
79 return idx;
80}
81
82/*
83 * Convert the given index of the bucket array to the value
84 * represented by the bucket
85 */
86static unsigned int plat_idx_to_val(unsigned int idx)
87{
88 unsigned int error_bits, k, base;
89
90 assert(idx < FIO_IO_U_PLAT_NR);
91
92 /* MSB <= (FIO_IO_U_PLAT_BITS-1), cannot be rounded off. Use
93 * all bits of the sample as index */
3c3ed070 94 if (idx < (FIO_IO_U_PLAT_VAL << 1))
83349190
YH
95 return idx;
96
97 /* Find the group and compute the minimum value of that group */
3c3ed070 98 error_bits = (idx >> FIO_IO_U_PLAT_BITS) - 1;
83349190
YH
99 base = 1 << (error_bits + FIO_IO_U_PLAT_BITS);
100
101 /* Find its bucket number of the group */
102 k = idx % FIO_IO_U_PLAT_VAL;
103
104 /* Return the mean of the range of the bucket */
105 return base + ((k + 0.5) * (1 << error_bits));
106}
107
108static int double_cmp(const void *a, const void *b)
109{
802ad4a8
JA
110 const fio_fp64_t fa = *(const fio_fp64_t *) a;
111 const fio_fp64_t fb = *(const fio_fp64_t *) b;
83349190
YH
112 int cmp = 0;
113
802ad4a8 114 if (fa.u.f > fb.u.f)
83349190 115 cmp = 1;
802ad4a8 116 else if (fa.u.f < fb.u.f)
83349190
YH
117 cmp = -1;
118
119 return cmp;
120}
121
a269790c
JA
122unsigned int calc_clat_percentiles(unsigned int *io_u_plat, unsigned long nr,
123 fio_fp64_t *plist, unsigned int **output,
124 unsigned int *maxv, unsigned int *minv)
83349190
YH
125{
126 unsigned long sum = 0;
1db92cb6
JA
127 unsigned int len, i, j = 0;
128 unsigned int oval_len = 0;
129 unsigned int *ovals = NULL;
130 int is_last;
131
132 *minv = -1U;
133 *maxv = 0;
83349190 134
802ad4a8
JA
135 len = 0;
136 while (len < FIO_IO_U_LIST_MAX_LEN && plist[len].u.f != 0.0)
137 len++;
716050f2 138
351de8de 139 if (!len)
1db92cb6 140 return 0;
351de8de 141
716050f2 142 /*
802ad4a8
JA
143 * Sort the percentile list. Note that it may already be sorted if
144 * we are using the default values, but since it's a short list this
145 * isn't a worry. Also note that this does not work for NaN values.
716050f2 146 */
802ad4a8 147 if (len > 1)
3c3ed070 148 qsort((void *)plist, len, sizeof(plist[0]), double_cmp);
83349190 149
4f6f8298
JA
150 /*
151 * Calculate bucket values, note down max and min values
152 */
07511a63
JA
153 is_last = 0;
154 for (i = 0; i < FIO_IO_U_PLAT_NR && !is_last; i++) {
83349190 155 sum += io_u_plat[i];
802ad4a8
JA
156 while (sum >= (plist[j].u.f / 100.0 * nr)) {
157 assert(plist[j].u.f <= 100.0);
83349190 158
4f6f8298
JA
159 if (j == oval_len) {
160 oval_len += 100;
161 ovals = realloc(ovals, oval_len * sizeof(unsigned int));
162 }
163
164 ovals[j] = plat_idx_to_val(i);
1db92cb6
JA
165 if (ovals[j] < *minv)
166 *minv = ovals[j];
167 if (ovals[j] > *maxv)
168 *maxv = ovals[j];
07511a63
JA
169
170 is_last = (j == len - 1);
171 if (is_last)
172 break;
173
4f6f8298
JA
174 j++;
175 }
176 }
83349190 177
1db92cb6
JA
178 *output = ovals;
179 return len;
180}
181
182/*
183 * Find and display the p-th percentile of clat
184 */
185static void show_clat_percentiles(unsigned int *io_u_plat, unsigned long nr,
3dc1e5b2 186 fio_fp64_t *plist, unsigned int precision)
1db92cb6
JA
187{
188 unsigned int len, j = 0, minv, maxv;
189 unsigned int *ovals;
eef02441
JA
190 int is_last, per_line, scale_down;
191 char fmt[32];
1db92cb6
JA
192
193 len = calc_clat_percentiles(io_u_plat, nr, plist, &ovals, &maxv, &minv);
194 if (!len)
195 goto out;
196
4f6f8298
JA
197 /*
198 * We default to usecs, but if the value range is such that we
199 * should scale down to msecs, do that.
200 */
201 if (minv > 2000 && maxv > 99999) {
202 scale_down = 1;
203 log_info(" clat percentiles (msec):\n |");
204 } else {
205 scale_down = 0;
206 log_info(" clat percentiles (usec):\n |");
207 }
83349190 208
3dc1e5b2 209 snprintf(fmt, sizeof(fmt), "%%1.%uf", precision);
eef02441 210 per_line = (80 - 7) / (precision + 14);
619adf9c 211
4f6f8298 212 for (j = 0; j < len; j++) {
619adf9c 213 char fbuf[16], *ptr = fbuf;
81ab0b3a 214
4f6f8298 215 /* for formatting */
eef02441 216 if (j != 0 && (j % per_line) == 0)
4f6f8298 217 log_info(" |");
83349190 218
4f6f8298
JA
219 /* end of the list */
220 is_last = (j == len - 1);
83349190 221
4f6f8298 222 if (plist[j].u.f < 10.0)
619adf9c
JA
223 ptr += sprintf(fbuf, " ");
224
eef02441 225 snprintf(ptr, sizeof(fbuf), fmt, plist[j].u.f);
4f6f8298
JA
226
227 if (scale_down)
228 ovals[j] = (ovals[j] + 999) / 1000;
229
230 log_info(" %sth=[%5u]%c", fbuf, ovals[j], is_last ? '\n' : ',');
231
232 if (is_last)
233 break;
234
eef02441 235 if ((j % per_line) == per_line - 1) /* for formatting */
4f6f8298 236 log_info("\n");
83349190 237 }
4f6f8298 238
1db92cb6 239out:
4f6f8298
JA
240 if (ovals)
241 free(ovals);
83349190
YH
242}
243
b29ad562
JA
244int calc_lat(struct io_stat *is, unsigned long *min, unsigned long *max,
245 double *mean, double *dev)
3c39a379 246{
ee0ccb79 247 double n = (double) is->samples;
3c39a379 248
ee0ccb79 249 if (n == 0)
3c39a379
JA
250 return 0;
251
252 *min = is->min_val;
253 *max = is->max_val;
802ad4a8 254 *mean = is->mean.u.f;
e6d276f2 255
68704084 256 if (n > 1.0)
802ad4a8 257 *dev = sqrt(is->S.u.f / (n - 1.0));
ef9c5c40 258 else
4b43f54e 259 *dev = 0;
ef9c5c40 260
3c39a379
JA
261 return 1;
262}
263
a64e88da 264void show_group_stats(struct group_run_stats *rs)
3c39a379 265{
dbe1125e 266 char *p1, *p2, *p3, *p4;
42da5c8b 267 const char *str[] = { " READ", " WRITE" , " TRIM"};
dbe1125e
JA
268 int i;
269
7e1773ba 270 log_info("\nRun status group %d (all jobs):\n", rs->groupid);
3c39a379 271
6eaf09d6 272 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
90fef2d1
JA
273 const int i2p = is_power_of_2(rs->kb_base);
274
dbe1125e
JA
275 if (!rs->max_run[i])
276 continue;
277
73798eb2 278 p1 = num2str(rs->io_kb[i], 6, rs->kb_base, i2p, 8);
ad705bcb
SN
279 p2 = num2str(rs->agg[i], 6, rs->kb_base, i2p, rs->unit_base);
280 p3 = num2str(rs->min_bw[i], 6, rs->kb_base, i2p, rs->unit_base);
281 p4 = num2str(rs->max_bw[i], 6, rs->kb_base, i2p, rs->unit_base);
dbe1125e 282
73798eb2 283 log_info("%s: io=%s, aggrb=%s/s, minb=%s/s, maxb=%s/s,"
771e58be 284 " mint=%llumsec, maxt=%llumsec\n",
42da5c8b 285 rs->unified_rw_rep ? " MIXED" : str[i],
4e0a8fa2
JA
286 p1, p2, p3, p4,
287 (unsigned long long) rs->min_run[i],
288 (unsigned long long) rs->max_run[i]);
dbe1125e
JA
289
290 free(p1);
291 free(p2);
292 free(p3);
293 free(p4);
294 }
3c39a379
JA
295}
296
2e33101f 297void stat_calc_dist(unsigned int *map, unsigned long total, double *io_u_dist)
2270890c
JA
298{
299 int i;
300
301 /*
302 * Do depth distribution calculations
303 */
304 for (i = 0; i < FIO_IO_U_MAP_NR; i++) {
838bc709
JA
305 if (total) {
306 io_u_dist[i] = (double) map[i] / (double) total;
307 io_u_dist[i] *= 100.0;
308 if (io_u_dist[i] < 0.1 && map[i])
309 io_u_dist[i] = 0.1;
310 } else
311 io_u_dist[i] = 0.0;
2270890c
JA
312 }
313}
314
04a0feae
JA
315static void stat_calc_lat(struct thread_stat *ts, double *dst,
316 unsigned int *src, int nr)
2270890c 317{
d79db122 318 unsigned long total = ddir_rw_sum(ts->total_io_u);
2270890c
JA
319 int i;
320
321 /*
322 * Do latency distribution calculations
323 */
04a0feae 324 for (i = 0; i < nr; i++) {
838bc709
JA
325 if (total) {
326 dst[i] = (double) src[i] / (double) total;
327 dst[i] *= 100.0;
328 if (dst[i] < 0.01 && src[i])
329 dst[i] = 0.01;
330 } else
331 dst[i] = 0.0;
2270890c
JA
332 }
333}
334
e5bd1347 335void stat_calc_lat_u(struct thread_stat *ts, double *io_u_lat)
04a0feae
JA
336{
337 stat_calc_lat(ts, io_u_lat, ts->io_u_lat_u, FIO_IO_U_LAT_U_NR);
338}
339
e5bd1347 340void stat_calc_lat_m(struct thread_stat *ts, double *io_u_lat)
04a0feae
JA
341{
342 stat_calc_lat(ts, io_u_lat, ts->io_u_lat_m, FIO_IO_U_LAT_M_NR);
343}
344
b29ad562
JA
345static void display_lat(const char *name, unsigned long min, unsigned long max,
346 double mean, double dev)
ea2accc5 347{
b29ad562
JA
348 const char *base = "(usec)";
349 char *minp, *maxp;
ea2accc5 350
b29ad562
JA
351 if (!usec_to_msec(&min, &max, &mean, &dev))
352 base = "(msec)";
353
22f80458
JA
354 minp = num2str(min, 6, 1, 0, 0);
355 maxp = num2str(max, 6, 1, 0, 0);
b29ad562
JA
356
357 log_info(" %s %s: min=%s, max=%s, avg=%5.02f,"
358 " stdev=%5.02f\n", name, base, minp, maxp, mean, dev);
359
360 free(minp);
361 free(maxp);
ea2accc5
JA
362}
363
756867bd 364static void show_ddir_status(struct group_run_stats *rs, struct thread_stat *ts,
3c39a379
JA
365 int ddir)
366{
42da5c8b 367 const char *str[] = { "read ", "write", "trim" };
8879fd15 368 unsigned long min, max, runt;
b3605062 369 unsigned long long bw, iops;
3c39a379 370 double mean, dev;
b3605062 371 char *io_p, *bw_p, *iops_p;
90fef2d1 372 int i2p;
3c39a379 373
ff58fced
JA
374 assert(ddir_rw(ddir));
375
756867bd 376 if (!ts->runtime[ddir])
3c39a379
JA
377 return;
378
90fef2d1 379 i2p = is_power_of_2(rs->kb_base);
8879fd15
JA
380 runt = ts->runtime[ddir];
381
382 bw = (1000 * ts->io_bytes[ddir]) / runt;
73798eb2 383 io_p = num2str(ts->io_bytes[ddir], 6, 1, i2p, 8);
ad705bcb 384 bw_p = num2str(bw, 6, 1, i2p, ts->unit_base);
8879fd15 385
0aacc50c 386 iops = (1000 * (uint64_t)ts->total_io_u[ddir]) / runt;
73798eb2 387 iops_p = num2str(iops, 6, 1, 0, 0);
dbe1125e 388
73798eb2 389 log_info(" %s: io=%s, bw=%s/s, iops=%s, runt=%6llumsec\n",
42da5c8b 390 rs->unified_rw_rep ? "mixed" : str[ddir],
4e0a8fa2
JA
391 io_p, bw_p, iops_p,
392 (unsigned long long) ts->runtime[ddir]);
dbe1125e
JA
393
394 free(io_p);
395 free(bw_p);
b3605062 396 free(iops_p);
3c39a379 397
b29ad562
JA
398 if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev))
399 display_lat("slat", min, max, mean, dev);
400 if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev))
401 display_lat("clat", min, max, mean, dev);
402 if (calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev))
403 display_lat(" lat", min, max, mean, dev);
02af0988 404
83349190
YH
405 if (ts->clat_percentiles) {
406 show_clat_percentiles(ts->io_u_plat[ddir],
407 ts->clat_stat[ddir].samples,
435d195a
VKF
408 ts->percentile_list,
409 ts->percentile_precision);
83349190 410 }
079ad09b 411 if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) {
142c7f2d 412 double p_of_agg = 100.0, fkb_base = (double)rs->kb_base;
d686990a
SN
413 const char *bw_str = (rs->unit_base == 1 ? "Kbit" : "KB");
414
415 if (rs->unit_base == 1) {
416 min *= 8.0;
417 max *= 8.0;
418 mean *= 8.0;
419 dev *= 8.0;
420 }
3c39a379 421
2f2c6924 422 if (rs->agg[ddir]) {
19d3e967
JA
423 p_of_agg = mean * 100 / (double) rs->agg[ddir];
424 if (p_of_agg > 100.0)
425 p_of_agg = 100.0;
426 }
b7017e32 427
142c7f2d
SN
428 if (mean > fkb_base * fkb_base) {
429 min /= fkb_base;
430 max /= fkb_base;
431 mean /= fkb_base;
432 dev /= fkb_base;
d686990a 433 bw_str = (rs->unit_base == 1 ? "Mbit" : "MB");
b7017e32
JA
434 }
435
d686990a 436 log_info(" bw (%-4s/s): min=%5lu, max=%5lu, per=%3.2f%%,"
b7017e32
JA
437 " avg=%5.02f, stdev=%5.02f\n", bw_str, min, max,
438 p_of_agg, mean, dev);
3c39a379
JA
439 }
440}
441
7e1773ba
JA
442static int show_lat(double *io_u_lat, int nr, const char **ranges,
443 const char *msg)
04a0feae 444{
7e1773ba 445 int new_line = 1, i, line = 0, shown = 0;
04a0feae
JA
446
447 for (i = 0; i < nr; i++) {
448 if (io_u_lat[i] <= 0.0)
449 continue;
7e1773ba 450 shown = 1;
04a0feae 451 if (new_line) {
4539ed73
JA
452 if (line)
453 log_info("\n");
7e1773ba 454 log_info(" lat (%s) : ", msg);
04a0feae
JA
455 new_line = 0;
456 line = 0;
457 }
458 if (line)
459 log_info(", ");
460 log_info("%s%3.2f%%", ranges[i], io_u_lat[i]);
461 line++;
462 if (line == 5)
463 new_line = 1;
464 }
7e1773ba
JA
465
466 if (shown)
467 log_info("\n");
468
469 return shown;
04a0feae
JA
470}
471
472static void show_lat_u(double *io_u_lat_u)
473{
474 const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=",
475 "250=", "500=", "750=", "1000=", };
476
477 show_lat(io_u_lat_u, FIO_IO_U_LAT_U_NR, ranges, "usec");
478}
479
480static void show_lat_m(double *io_u_lat_m)
481{
482 const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=",
483 "250=", "500=", "750=", "1000=", "2000=",
484 ">=2000=", };
485
486 show_lat(io_u_lat_m, FIO_IO_U_LAT_M_NR, ranges, "msec");
487}
488
c551f65a 489static void show_latencies(struct thread_stat *ts)
04a0feae 490{
c551f65a
JA
491 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
492 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
493
5a18988e
JA
494 stat_calc_lat_u(ts, io_u_lat_u);
495 stat_calc_lat_m(ts, io_u_lat_m);
496
04a0feae
JA
497 show_lat_u(io_u_lat_u);
498 show_lat_m(io_u_lat_m);
04a0feae
JA
499}
500
66347cfa
DE
501static int block_state_category(int block_state)
502{
503 switch (block_state) {
504 case BLOCK_STATE_UNINIT:
505 return 0;
506 case BLOCK_STATE_TRIMMED:
507 case BLOCK_STATE_WRITTEN:
508 return 1;
509 case BLOCK_STATE_WRITE_FAILURE:
510 case BLOCK_STATE_TRIM_FAILURE:
511 return 2;
512 default:
513 assert(0);
514 }
515}
516
517static int compare_block_infos(const void *bs1, const void *bs2)
518{
519 uint32_t block1 = *(uint32_t *)bs1;
520 uint32_t block2 = *(uint32_t *)bs2;
521 int state1 = BLOCK_INFO_STATE(block1);
522 int state2 = BLOCK_INFO_STATE(block2);
523 int bscat1 = block_state_category(state1);
524 int bscat2 = block_state_category(state2);
525 int cycles1 = BLOCK_INFO_TRIMS(block1);
526 int cycles2 = BLOCK_INFO_TRIMS(block2);
527
528 if (bscat1 < bscat2)
529 return -1;
530 if (bscat1 > bscat2)
531 return 1;
532
533 if (cycles1 < cycles2)
534 return -1;
535 if (cycles1 > cycles2)
536 return 1;
537
538 if (state1 < state2)
539 return -1;
540 if (state1 > state2)
541 return 1;
542
543 assert(block1 == block2);
544 return 0;
545}
546
547static int calc_block_percentiles(int nr_block_infos, uint32_t *block_infos,
548 fio_fp64_t *plist, unsigned int **percentiles,
549 unsigned int *types)
550{
551 int len = 0;
552 int i, nr_uninit;
553
554 qsort(block_infos, nr_block_infos, sizeof(uint32_t), compare_block_infos);
555
556 while (len < FIO_IO_U_LIST_MAX_LEN && plist[len].u.f != 0.0)
557 len++;
558
559 if (!len)
560 return 0;
561
562 /*
563 * Sort the percentile list. Note that it may already be sorted if
564 * we are using the default values, but since it's a short list this
565 * isn't a worry. Also note that this does not work for NaN values.
566 */
567 if (len > 1)
568 qsort((void *)plist, len, sizeof(plist[0]), double_cmp);
569
570 nr_uninit = 0;
571 /* Start only after the uninit entries end */
572 for (nr_uninit = 0;
573 nr_uninit < nr_block_infos
574 && BLOCK_INFO_STATE(block_infos[nr_uninit]) == BLOCK_STATE_UNINIT;
575 nr_uninit ++)
576 ;
577
578 if (nr_uninit == nr_block_infos)
579 return 0;
580
581 *percentiles = calloc(len, sizeof(**percentiles));
582
583 for (i = 0; i < len; i++) {
584 int idx = (plist[i].u.f * (nr_block_infos - nr_uninit) / 100)
585 + nr_uninit;
586 (*percentiles)[i] = BLOCK_INFO_TRIMS(block_infos[idx]);
587 }
588
589 memset(types, 0, sizeof(*types) * BLOCK_STATE_COUNT);
590 for (i = 0; i < nr_block_infos; i++)
591 types[BLOCK_INFO_STATE(block_infos[i])]++;
592
593 return len;
594}
595
596static const char *block_state_names[] = {
597 [BLOCK_STATE_UNINIT] = "unwritten",
598 [BLOCK_STATE_TRIMMED] = "trimmed",
599 [BLOCK_STATE_WRITTEN] = "written",
600 [BLOCK_STATE_TRIM_FAILURE] = "trim failure",
601 [BLOCK_STATE_WRITE_FAILURE] = "write failure",
602};
603
604static void show_block_infos(int nr_block_infos, uint32_t *block_infos,
605 fio_fp64_t *plist)
606{
607 int len, pos, i;
608 unsigned int *percentiles = NULL;
609 unsigned int block_state_counts[BLOCK_STATE_COUNT];
610
611 len = calc_block_percentiles(nr_block_infos, block_infos, plist,
612 &percentiles, block_state_counts);
613
614 log_info(" block lifetime percentiles :\n |");
615 pos = 0;
616 for (i = 0; i < len; i++) {
617 uint32_t block_info = percentiles[i];
618#define LINE_LENGTH 75
619 char str[LINE_LENGTH];
620 int strln = snprintf(str, LINE_LENGTH, " %3.2fth=%u%c",
621 plist[i].u.f, block_info,
622 i == len - 1 ? '\n' : ',');
623 assert(strln < LINE_LENGTH);
624 if (pos + strln > LINE_LENGTH) {
625 pos = 0;
626 log_info("\n |");
627 }
628 log_info("%s", str);
629 pos += strln;
630#undef LINE_LENGTH
631 }
632 if (percentiles)
633 free(percentiles);
634
635 log_info(" states :");
636 for (i = 0; i < BLOCK_STATE_COUNT; i++)
637 log_info(" %s=%u%c",
638 block_state_names[i], block_state_counts[i],
639 i == BLOCK_STATE_COUNT - 1 ? '\n' : ',');
640}
641
10aa136b
JA
642static void show_thread_status_normal(struct thread_stat *ts,
643 struct group_run_stats *rs)
3c39a379
JA
644{
645 double usr_cpu, sys_cpu;
69008999 646 unsigned long runtime;
71619dc2 647 double io_u_dist[FIO_IO_U_MAP_NR];
57a64324 648 time_t time_p;
35326842 649 char time_buf[32];
3c39a379 650
9966af7b 651 if (!ddir_rw_sum(ts->io_bytes) && !ddir_rw_sum(ts->total_io_u))
3c39a379
JA
652 return;
653
57a64324 654 time(&time_p);
45054cbe 655 os_ctime_r((const time_t *) &time_p, time_buf, sizeof(time_buf));
57a64324 656
5ec10eaa 657 if (!ts->error) {
57a64324 658 log_info("%s: (groupid=%d, jobs=%d): err=%2d: pid=%d: %s",
5ec10eaa 659 ts->name, ts->groupid, ts->members,
57a64324 660 ts->error, (int) ts->pid, time_buf);
5ec10eaa 661 } else {
57a64324 662 log_info("%s: (groupid=%d, jobs=%d): err=%2d (%s): pid=%d: %s",
5ec10eaa 663 ts->name, ts->groupid, ts->members,
57a64324
JA
664 ts->error, ts->verror, (int) ts->pid,
665 time_buf);
5ec10eaa 666 }
3c39a379 667
259e47de 668 if (strlen(ts->description))
6d86144d 669 log_info(" Description : [%s]\n", ts->description);
7bdce1bd 670
756867bd
JA
671 if (ts->io_bytes[DDIR_READ])
672 show_ddir_status(rs, ts, DDIR_READ);
673 if (ts->io_bytes[DDIR_WRITE])
674 show_ddir_status(rs, ts, DDIR_WRITE);
6eaf09d6
SL
675 if (ts->io_bytes[DDIR_TRIM])
676 show_ddir_status(rs, ts, DDIR_TRIM);
3c39a379 677
c551f65a 678 show_latencies(ts);
7e1773ba 679
756867bd 680 runtime = ts->total_run_time;
69008999 681 if (runtime) {
1e97cce9 682 double runt = (double) runtime;
3c39a379 683
756867bd
JA
684 usr_cpu = (double) ts->usr_time * 100 / runt;
685 sys_cpu = (double) ts->sys_time * 100 / runt;
3c39a379
JA
686 } else {
687 usr_cpu = 0;
688 sys_cpu = 0;
689 }
690
4e0a8fa2
JA
691 log_info(" cpu : usr=%3.2f%%, sys=%3.2f%%, ctx=%llu,"
692 " majf=%llu, minf=%llu\n", usr_cpu, sys_cpu,
693 (unsigned long long) ts->ctx,
694 (unsigned long long) ts->majf,
695 (unsigned long long) ts->minf);
71619dc2 696
d79db122 697 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
5ec10eaa
JA
698 log_info(" IO depths : 1=%3.1f%%, 2=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%,"
699 " 16=%3.1f%%, 32=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0],
700 io_u_dist[1], io_u_dist[2],
701 io_u_dist[3], io_u_dist[4],
702 io_u_dist[5], io_u_dist[6]);
838bc709
JA
703
704 stat_calc_dist(ts->io_u_submit, ts->total_submit, io_u_dist);
705 log_info(" submit : 0=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%, 16=%3.1f%%,"
706 " 32=%3.1f%%, 64=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0],
707 io_u_dist[1], io_u_dist[2],
708 io_u_dist[3], io_u_dist[4],
709 io_u_dist[5], io_u_dist[6]);
710 stat_calc_dist(ts->io_u_complete, ts->total_complete, io_u_dist);
711 log_info(" complete : 0=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%, 16=%3.1f%%,"
712 " 32=%3.1f%%, 64=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0],
713 io_u_dist[1], io_u_dist[2],
714 io_u_dist[3], io_u_dist[4],
715 io_u_dist[5], io_u_dist[6]);
4e0a8fa2 716 log_info(" issued : total=r=%llu/w=%llu/d=%llu,"
3bcb9d94
JA
717 " short=r=%llu/w=%llu/d=%llu,"
718 " drop=r=%llu/w=%llu/d=%llu\n",
4e0a8fa2
JA
719 (unsigned long long) ts->total_io_u[0],
720 (unsigned long long) ts->total_io_u[1],
721 (unsigned long long) ts->total_io_u[2],
722 (unsigned long long) ts->short_io_u[0],
723 (unsigned long long) ts->short_io_u[1],
3bcb9d94
JA
724 (unsigned long long) ts->short_io_u[2],
725 (unsigned long long) ts->drop_io_u[0],
726 (unsigned long long) ts->drop_io_u[1],
727 (unsigned long long) ts->drop_io_u[2]);
f2bba182 728 if (ts->continue_on_error) {
e9d806fa 729 log_info(" errors : total=%llu, first_error=%d/<%s>\n",
4e0a8fa2 730 (unsigned long long)ts->total_err_count,
1ec99eea
JA
731 ts->first_error,
732 strerror(ts->first_error));
f2bba182 733 }
3e260a46
JA
734 if (ts->latency_depth) {
735 log_info(" latency : target=%llu, window=%llu, percentile=%.2f%%, depth=%u\n",
736 (unsigned long long)ts->latency_target,
737 (unsigned long long)ts->latency_window,
738 ts->latency_percentile.u.f,
739 ts->latency_depth);
740 }
66347cfa
DE
741
742 if (ts->nr_block_infos)
743 show_block_infos(ts->nr_block_infos, ts->block_infos,
744 ts->percentile_list);
3c39a379
JA
745}
746
756867bd 747static void show_ddir_status_terse(struct thread_stat *ts,
c6ae0a5b
JA
748 struct group_run_stats *rs, int ddir)
749{
750 unsigned long min, max;
312b4af2 751 unsigned long long bw, iops;
1db92cb6 752 unsigned int *ovals = NULL;
c6ae0a5b 753 double mean, dev;
1db92cb6
JA
754 unsigned int len, minv, maxv;
755 int i;
c6ae0a5b 756
ff58fced
JA
757 assert(ddir_rw(ddir));
758
312b4af2
JA
759 iops = bw = 0;
760 if (ts->runtime[ddir]) {
761 uint64_t runt = ts->runtime[ddir];
762
033bbb51 763 bw = ((1000 * ts->io_bytes[ddir]) / runt) / 1024;
312b4af2
JA
764 iops = (1000 * (uint64_t) ts->total_io_u[ddir]) / runt;
765 }
c6ae0a5b 766
4e0a8fa2
JA
767 log_info(";%llu;%llu;%llu;%llu",
768 (unsigned long long) ts->io_bytes[ddir] >> 10, bw, iops,
769 (unsigned long long) ts->runtime[ddir]);
c6ae0a5b 770
079ad09b 771 if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev))
6d86144d 772 log_info(";%lu;%lu;%f;%f", min, max, mean, dev);
c6ae0a5b 773 else
6d86144d 774 log_info(";%lu;%lu;%f;%f", 0UL, 0UL, 0.0, 0.0);
c6ae0a5b 775
079ad09b 776 if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev))
6d86144d 777 log_info(";%lu;%lu;%f;%f", min, max, mean, dev);
c6ae0a5b 778 else
6d86144d 779 log_info(";%lu;%lu;%f;%f", 0UL, 0UL, 0.0, 0.0);
c6ae0a5b 780
1db92cb6
JA
781 if (ts->clat_percentiles) {
782 len = calc_clat_percentiles(ts->io_u_plat[ddir],
783 ts->clat_stat[ddir].samples,
784 ts->percentile_list, &ovals, &maxv,
785 &minv);
786 } else
787 len = 0;
788
789 for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) {
790 if (i >= len) {
791 log_info(";0%%=0");
792 continue;
793 }
435d195a 794 log_info(";%f%%=%u", ts->percentile_list[i].u.f, ovals[i]);
1db92cb6 795 }
2341a37a
K
796
797 if (calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev))
798 log_info(";%lu;%lu;%f;%f", min, max, mean, dev);
799 else
800 log_info(";%lu;%lu;%f;%f", 0UL, 0UL, 0.0, 0.0);
801
1db92cb6
JA
802 if (ovals)
803 free(ovals);
804
079ad09b 805 if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) {
19d3e967
JA
806 double p_of_agg = 100.0;
807
808 if (rs->agg[ddir]) {
809 p_of_agg = mean * 100 / (double) rs->agg[ddir];
810 if (p_of_agg > 100.0)
811 p_of_agg = 100.0;
812 }
c6ae0a5b 813
6d86144d 814 log_info(";%lu;%lu;%f%%;%f;%f", min, max, p_of_agg, mean, dev);
c6ae0a5b 815 } else
6d86144d 816 log_info(";%lu;%lu;%f%%;%f;%f", 0UL, 0UL, 0.0, 0.0, 0.0);
c6ae0a5b
JA
817}
818
cc372b17
SL
819static void add_ddir_status_json(struct thread_stat *ts,
820 struct group_run_stats *rs, int ddir, struct json_object *parent)
821{
822 unsigned long min, max;
9f68fe3a 823 unsigned long long bw;
cc372b17 824 unsigned int *ovals = NULL;
9f68fe3a 825 double mean, dev, iops;
cc372b17
SL
826 unsigned int len, minv, maxv;
827 int i;
828 const char *ddirname[] = {"read", "write", "trim"};
829 struct json_object *dir_object, *tmp_object, *percentile_object;
830 char buf[120];
831 double p_of_agg = 100.0;
832
833 assert(ddir_rw(ddir));
834
771e58be
JA
835 if (ts->unified_rw_rep && ddir != DDIR_READ)
836 return;
837
cc372b17 838 dir_object = json_create_object();
771e58be
JA
839 json_object_add_value_object(parent,
840 ts->unified_rw_rep ? "mixed" : ddirname[ddir], dir_object);
cc372b17 841
9f68fe3a
BE
842 bw = 0;
843 iops = 0.0;
cc372b17
SL
844 if (ts->runtime[ddir]) {
845 uint64_t runt = ts->runtime[ddir];
846
847 bw = ((1000 * ts->io_bytes[ddir]) / runt) / 1024;
9f68fe3a 848 iops = (1000.0 * (uint64_t) ts->total_io_u[ddir]) / runt;
cc372b17
SL
849 }
850
851 json_object_add_value_int(dir_object, "io_bytes", ts->io_bytes[ddir] >> 10);
852 json_object_add_value_int(dir_object, "bw", bw);
9f68fe3a 853 json_object_add_value_float(dir_object, "iops", iops);
cc372b17 854 json_object_add_value_int(dir_object, "runtime", ts->runtime[ddir]);
9966af7b
JA
855 json_object_add_value_int(dir_object, "total_ios", ts->total_io_u[ddir]);
856 json_object_add_value_int(dir_object, "short_ios", ts->short_io_u[ddir]);
857 json_object_add_value_int(dir_object, "drop_ios", ts->drop_io_u[ddir]);
cc372b17
SL
858
859 if (!calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev)) {
860 min = max = 0;
861 mean = dev = 0.0;
862 }
863 tmp_object = json_create_object();
864 json_object_add_value_object(dir_object, "slat", tmp_object);
865 json_object_add_value_int(tmp_object, "min", min);
866 json_object_add_value_int(tmp_object, "max", max);
867 json_object_add_value_float(tmp_object, "mean", mean);
868 json_object_add_value_float(tmp_object, "stddev", dev);
869
870 if (!calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev)) {
871 min = max = 0;
872 mean = dev = 0.0;
873 }
874 tmp_object = json_create_object();
875 json_object_add_value_object(dir_object, "clat", tmp_object);
876 json_object_add_value_int(tmp_object, "min", min);
877 json_object_add_value_int(tmp_object, "max", max);
878 json_object_add_value_float(tmp_object, "mean", mean);
879 json_object_add_value_float(tmp_object, "stddev", dev);
880
881 if (ts->clat_percentiles) {
882 len = calc_clat_percentiles(ts->io_u_plat[ddir],
883 ts->clat_stat[ddir].samples,
884 ts->percentile_list, &ovals, &maxv,
885 &minv);
886 } else
887 len = 0;
888
889 percentile_object = json_create_object();
890 json_object_add_value_object(tmp_object, "percentile", percentile_object);
891 for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) {
892 if (i >= len) {
893 json_object_add_value_int(percentile_object, "0.00", 0);
894 continue;
895 }
435d195a 896 snprintf(buf, sizeof(buf), "%f", ts->percentile_list[i].u.f);
cc372b17
SL
897 json_object_add_value_int(percentile_object, (const char *)buf, ovals[i]);
898 }
899
900 if (!calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev)) {
901 min = max = 0;
902 mean = dev = 0.0;
903 }
904 tmp_object = json_create_object();
905 json_object_add_value_object(dir_object, "lat", tmp_object);
906 json_object_add_value_int(tmp_object, "min", min);
907 json_object_add_value_int(tmp_object, "max", max);
908 json_object_add_value_float(tmp_object, "mean", mean);
909 json_object_add_value_float(tmp_object, "stddev", dev);
910 if (ovals)
911 free(ovals);
912
b9e1b491 913 if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) {
cc372b17
SL
914 if (rs->agg[ddir]) {
915 p_of_agg = mean * 100 / (double) rs->agg[ddir];
916 if (p_of_agg > 100.0)
917 p_of_agg = 100.0;
918 }
919 } else {
920 min = max = 0;
921 p_of_agg = mean = dev = 0.0;
922 }
923 json_object_add_value_int(dir_object, "bw_min", min);
924 json_object_add_value_int(dir_object, "bw_max", max);
a806bf2e 925 json_object_add_value_float(dir_object, "bw_agg", p_of_agg);
cc372b17
SL
926 json_object_add_value_float(dir_object, "bw_mean", mean);
927 json_object_add_value_float(dir_object, "bw_dev", dev);
928}
929
4d658652 930static void show_thread_status_terse_v2(struct thread_stat *ts,
3c3ed070 931 struct group_run_stats *rs)
4d658652
JA
932{
933 double io_u_dist[FIO_IO_U_MAP_NR];
934 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
935 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
936 double usr_cpu, sys_cpu;
937 int i;
938
939 /* General Info */
940 log_info("2;%s;%d;%d", ts->name, ts->groupid, ts->error);
941 /* Log Read Status */
6eaf09d6 942 show_ddir_status_terse(ts, rs, DDIR_READ);
4d658652 943 /* Log Write Status */
6eaf09d6
SL
944 show_ddir_status_terse(ts, rs, DDIR_WRITE);
945 /* Log Trim Status */
946 show_ddir_status_terse(ts, rs, DDIR_TRIM);
4d658652
JA
947
948 /* CPU Usage */
949 if (ts->total_run_time) {
950 double runt = (double) ts->total_run_time;
951
952 usr_cpu = (double) ts->usr_time * 100 / runt;
953 sys_cpu = (double) ts->sys_time * 100 / runt;
954 } else {
955 usr_cpu = 0;
956 sys_cpu = 0;
957 }
958
4e0a8fa2
JA
959 log_info(";%f%%;%f%%;%llu;%llu;%llu", usr_cpu, sys_cpu,
960 (unsigned long long) ts->ctx,
961 (unsigned long long) ts->majf,
962 (unsigned long long) ts->minf);
4d658652
JA
963
964 /* Calc % distribution of IO depths, usecond, msecond latency */
d79db122 965 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
4d658652
JA
966 stat_calc_lat_u(ts, io_u_lat_u);
967 stat_calc_lat_m(ts, io_u_lat_m);
968
969 /* Only show fixed 7 I/O depth levels*/
970 log_info(";%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%",
971 io_u_dist[0], io_u_dist[1], io_u_dist[2], io_u_dist[3],
972 io_u_dist[4], io_u_dist[5], io_u_dist[6]);
973
974 /* Microsecond latency */
975 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++)
976 log_info(";%3.2f%%", io_u_lat_u[i]);
977 /* Millisecond latency */
978 for (i = 0; i < FIO_IO_U_LAT_M_NR; i++)
979 log_info(";%3.2f%%", io_u_lat_m[i]);
980 /* Additional output if continue_on_error set - default off*/
981 if (ts->continue_on_error)
4e0a8fa2 982 log_info(";%llu;%d", (unsigned long long) ts->total_err_count, ts->first_error);
4d658652
JA
983 log_info("\n");
984
985 /* Additional output if description is set */
0a3c52f0 986 if (strlen(ts->description))
4d658652
JA
987 log_info(";%s", ts->description);
988
989 log_info("\n");
990}
991
3449ab8c
JA
992static void show_thread_status_terse_v3_v4(struct thread_stat *ts,
993 struct group_run_stats *rs, int ver)
c6ae0a5b 994{
2270890c 995 double io_u_dist[FIO_IO_U_MAP_NR];
04a0feae
JA
996 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
997 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
c6ae0a5b 998 double usr_cpu, sys_cpu;
04a0feae 999 int i;
c6ae0a5b 1000
562c2d2f 1001 /* General Info */
f3afa57e 1002 log_info("%d;%s;%s;%d;%d", ver, fio_version_string,
5e726d0a 1003 ts->name, ts->groupid, ts->error);
562c2d2f 1004 /* Log Read Status */
6eaf09d6 1005 show_ddir_status_terse(ts, rs, DDIR_READ);
562c2d2f 1006 /* Log Write Status */
6eaf09d6
SL
1007 show_ddir_status_terse(ts, rs, DDIR_WRITE);
1008 /* Log Trim Status */
3449ab8c
JA
1009 if (ver == 4)
1010 show_ddir_status_terse(ts, rs, DDIR_TRIM);
c6ae0a5b 1011
562c2d2f 1012 /* CPU Usage */
756867bd
JA
1013 if (ts->total_run_time) {
1014 double runt = (double) ts->total_run_time;
c6ae0a5b 1015
756867bd
JA
1016 usr_cpu = (double) ts->usr_time * 100 / runt;
1017 sys_cpu = (double) ts->sys_time * 100 / runt;
c6ae0a5b
JA
1018 } else {
1019 usr_cpu = 0;
1020 sys_cpu = 0;
1021 }
1022
4e0a8fa2
JA
1023 log_info(";%f%%;%f%%;%llu;%llu;%llu", usr_cpu, sys_cpu,
1024 (unsigned long long) ts->ctx,
1025 (unsigned long long) ts->majf,
1026 (unsigned long long) ts->minf);
2270890c 1027
562c2d2f 1028 /* Calc % distribution of IO depths, usecond, msecond latency */
d79db122 1029 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
04a0feae
JA
1030 stat_calc_lat_u(ts, io_u_lat_u);
1031 stat_calc_lat_m(ts, io_u_lat_m);
2270890c 1032
562c2d2f 1033 /* Only show fixed 7 I/O depth levels*/
5ec10eaa
JA
1034 log_info(";%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%",
1035 io_u_dist[0], io_u_dist[1], io_u_dist[2], io_u_dist[3],
1036 io_u_dist[4], io_u_dist[5], io_u_dist[6]);
2270890c 1037
562c2d2f 1038 /* Microsecond latency */
04a0feae
JA
1039 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++)
1040 log_info(";%3.2f%%", io_u_lat_u[i]);
562c2d2f 1041 /* Millisecond latency */
04a0feae
JA
1042 for (i = 0; i < FIO_IO_U_LAT_M_NR; i++)
1043 log_info(";%3.2f%%", io_u_lat_m[i]);
f2f788dd
JA
1044
1045 /* disk util stats, if any */
bf2921f0 1046 show_disk_util(1, NULL);
f2f788dd 1047
562c2d2f 1048 /* Additional output if continue_on_error set - default off*/
f2bba182 1049 if (ts->continue_on_error)
4e0a8fa2 1050 log_info(";%llu;%d", (unsigned long long) ts->total_err_count, ts->first_error);
2270890c 1051
562c2d2f 1052 /* Additional output if description is set */
4b0f2258 1053 if (strlen(ts->description))
6d86144d 1054 log_info(";%s", ts->description);
946e4276
JA
1055
1056 log_info("\n");
756867bd
JA
1057}
1058
cc372b17
SL
1059static struct json_object *show_thread_status_json(struct thread_stat *ts,
1060 struct group_run_stats *rs)
1061{
1062 struct json_object *root, *tmp;
1063 double io_u_dist[FIO_IO_U_MAP_NR];
1064 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
1065 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
1066 double usr_cpu, sys_cpu;
1067 int i;
1068
1069 root = json_create_object();
1070 json_object_add_value_string(root, "jobname", ts->name);
1071 json_object_add_value_int(root, "groupid", ts->groupid);
1072 json_object_add_value_int(root, "error", ts->error);
1073
1074 add_ddir_status_json(ts, rs, DDIR_READ, root);
1075 add_ddir_status_json(ts, rs, DDIR_WRITE, root);
f3afa57e 1076 add_ddir_status_json(ts, rs, DDIR_TRIM, root);
cc372b17
SL
1077
1078 /* CPU Usage */
1079 if (ts->total_run_time) {
1080 double runt = (double) ts->total_run_time;
1081
1082 usr_cpu = (double) ts->usr_time * 100 / runt;
1083 sys_cpu = (double) ts->sys_time * 100 / runt;
1084 } else {
1085 usr_cpu = 0;
1086 sys_cpu = 0;
1087 }
1088 json_object_add_value_float(root, "usr_cpu", usr_cpu);
1089 json_object_add_value_float(root, "sys_cpu", sys_cpu);
1090 json_object_add_value_int(root, "ctx", ts->ctx);
1091 json_object_add_value_int(root, "majf", ts->majf);
1092 json_object_add_value_int(root, "minf", ts->minf);
1093
1094
1095 /* Calc % distribution of IO depths, usecond, msecond latency */
d79db122 1096 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
cc372b17
SL
1097 stat_calc_lat_u(ts, io_u_lat_u);
1098 stat_calc_lat_m(ts, io_u_lat_m);
1099
1100 tmp = json_create_object();
1101 json_object_add_value_object(root, "iodepth_level", tmp);
1102 /* Only show fixed 7 I/O depth levels*/
1103 for (i = 0; i < 7; i++) {
1104 char name[20];
1105 if (i < 6)
98ffb8f3 1106 snprintf(name, 20, "%d", 1 << i);
cc372b17 1107 else
98ffb8f3 1108 snprintf(name, 20, ">=%d", 1 << i);
cc372b17
SL
1109 json_object_add_value_float(tmp, (const char *)name, io_u_dist[i]);
1110 }
1111
1112 tmp = json_create_object();
1113 json_object_add_value_object(root, "latency_us", tmp);
1114 /* Microsecond latency */
1115 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) {
1116 const char *ranges[] = { "2", "4", "10", "20", "50", "100",
1117 "250", "500", "750", "1000", };
1118 json_object_add_value_float(tmp, ranges[i], io_u_lat_u[i]);
1119 }
1120 /* Millisecond latency */
1121 tmp = json_create_object();
1122 json_object_add_value_object(root, "latency_ms", tmp);
1123 for (i = 0; i < FIO_IO_U_LAT_M_NR; i++) {
1124 const char *ranges[] = { "2", "4", "10", "20", "50", "100",
1125 "250", "500", "750", "1000", "2000",
1126 ">=2000", };
1127 json_object_add_value_float(tmp, ranges[i], io_u_lat_m[i]);
1128 }
1129
1130 /* Additional output if continue_on_error set - default off*/
1131 if (ts->continue_on_error) {
1132 json_object_add_value_int(root, "total_err", ts->total_err_count);
952b05e0 1133 json_object_add_value_int(root, "first_error", ts->first_error);
cc372b17
SL
1134 }
1135
3e260a46
JA
1136 if (ts->latency_depth) {
1137 json_object_add_value_int(root, "latency_depth", ts->latency_depth);
1138 json_object_add_value_int(root, "latency_target", ts->latency_target);
1139 json_object_add_value_float(root, "latency_percentile", ts->latency_percentile.u.f);
1140 json_object_add_value_int(root, "latency_window", ts->latency_window);
1141 }
1142
cc372b17
SL
1143 /* Additional output if description is set */
1144 if (strlen(ts->description))
1145 json_object_add_value_string(root, "desc", ts->description);
1146
66347cfa
DE
1147 if (ts->nr_block_infos) {
1148 /* Block error histogram and types */
1149 int len;
1150 unsigned int *percentiles = NULL;
1151 unsigned int block_state_counts[BLOCK_STATE_COUNT];
1152
1153 len = calc_block_percentiles(ts->nr_block_infos, ts->block_infos,
1154 ts->percentile_list,
1155 &percentiles, block_state_counts);
1156
1157 if (len) {
1158 struct json_object *block, *percentile_object, *states;
1159 int state, i;
1160 block = json_create_object();
1161 json_object_add_value_object(root, "block", block);
1162
1163 percentile_object = json_create_object();
1164 json_object_add_value_object(block, "percentiles",
1165 percentile_object);
1166 for (i = 0; i < len; i++) {
1167 char buf[20];
1168 snprintf(buf, sizeof(buf), "%f",
1169 ts->percentile_list[i].u.f);
1170 json_object_add_value_int(percentile_object,
1171 (const char *)buf,
1172 percentiles[i]);
1173 }
1174
1175 states = json_create_object();
1176 json_object_add_value_object(block, "states", states);
1177 for (state = 0; state < BLOCK_STATE_COUNT; state++) {
1178 json_object_add_value_int(states,
1179 block_state_names[state],
1180 block_state_counts[state]);
1181 }
1182 free(percentiles);
1183 }
1184 }
1185
cc372b17
SL
1186 return root;
1187}
1188
4d658652
JA
1189static void show_thread_status_terse(struct thread_stat *ts,
1190 struct group_run_stats *rs)
1191{
1192 if (terse_version == 2)
1193 show_thread_status_terse_v2(ts, rs);
3449ab8c
JA
1194 else if (terse_version == 3 || terse_version == 4)
1195 show_thread_status_terse_v3_v4(ts, rs, terse_version);
4d658652
JA
1196 else
1197 log_err("fio: bad terse version!? %d\n", terse_version);
1198}
1199
952b05e0
CF
1200struct json_object *show_thread_status(struct thread_stat *ts,
1201 struct group_run_stats *rs)
1202{
1203 if (output_format == FIO_OUTPUT_TERSE)
1204 show_thread_status_terse(ts, rs);
1205 else if (output_format == FIO_OUTPUT_JSON)
10aa136b 1206 return show_thread_status_json(ts, rs);
952b05e0
CF
1207 else
1208 show_thread_status_normal(ts, rs);
1209 return NULL;
1210}
1211
197574e4 1212static void sum_stat(struct io_stat *dst, struct io_stat *src, int nr)
756867bd
JA
1213{
1214 double mean, S;
1215
e09231c2
ZL
1216 if (src->samples == 0)
1217 return;
1218
756867bd
JA
1219 dst->min_val = min(dst->min_val, src->min_val);
1220 dst->max_val = max(dst->max_val, src->max_val);
756867bd
JA
1221
1222 /*
cdcac5cf
YH
1223 * Compute new mean and S after the merge
1224 * <http://en.wikipedia.org/wiki/Algorithms_for_calculating_variance
1225 * #Parallel_algorithm>
756867bd
JA
1226 */
1227 if (nr == 1) {
802ad4a8
JA
1228 mean = src->mean.u.f;
1229 S = src->S.u.f;
756867bd 1230 } else {
802ad4a8 1231 double delta = src->mean.u.f - dst->mean.u.f;
cdcac5cf 1232
802ad4a8
JA
1233 mean = ((src->mean.u.f * src->samples) +
1234 (dst->mean.u.f * dst->samples)) /
cdcac5cf
YH
1235 (dst->samples + src->samples);
1236
802ad4a8 1237 S = src->S.u.f + dst->S.u.f + pow(delta, 2.0) *
cdcac5cf
YH
1238 (dst->samples * src->samples) /
1239 (dst->samples + src->samples);
756867bd
JA
1240 }
1241
cdcac5cf 1242 dst->samples += src->samples;
802ad4a8
JA
1243 dst->mean.u.f = mean;
1244 dst->S.u.f = S;
756867bd
JA
1245}
1246
37f0c1ae
JA
1247void sum_group_stats(struct group_run_stats *dst, struct group_run_stats *src)
1248{
1249 int i;
1250
6eaf09d6 1251 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
37f0c1ae
JA
1252 if (dst->max_run[i] < src->max_run[i])
1253 dst->max_run[i] = src->max_run[i];
1254 if (dst->min_run[i] && dst->min_run[i] > src->min_run[i])
1255 dst->min_run[i] = src->min_run[i];
1256 if (dst->max_bw[i] < src->max_bw[i])
1257 dst->max_bw[i] = src->max_bw[i];
1258 if (dst->min_bw[i] && dst->min_bw[i] > src->min_bw[i])
1259 dst->min_bw[i] = src->min_bw[i];
1260
1261 dst->io_kb[i] += src->io_kb[i];
1262 dst->agg[i] += src->agg[i];
1263 }
1264
dbae1bd6
JA
1265 if (!dst->kb_base)
1266 dst->kb_base = src->kb_base;
1267 if (!dst->unit_base)
1268 dst->unit_base = src->unit_base;
37f0c1ae
JA
1269}
1270
5b9babb7
JA
1271void sum_thread_stats(struct thread_stat *dst, struct thread_stat *src, int nr)
1272{
1273 int l, k;
1274
6eaf09d6 1275 for (l = 0; l < DDIR_RWDIR_CNT; l++) {
771e58be
JA
1276 if (!dst->unified_rw_rep) {
1277 sum_stat(&dst->clat_stat[l], &src->clat_stat[l], nr);
1278 sum_stat(&dst->slat_stat[l], &src->slat_stat[l], nr);
1279 sum_stat(&dst->lat_stat[l], &src->lat_stat[l], nr);
1280 sum_stat(&dst->bw_stat[l], &src->bw_stat[l], nr);
1281
1282 dst->io_bytes[l] += src->io_bytes[l];
1283
1284 if (dst->runtime[l] < src->runtime[l])
1285 dst->runtime[l] = src->runtime[l];
1286 } else {
1287 sum_stat(&dst->clat_stat[0], &src->clat_stat[l], nr);
1288 sum_stat(&dst->slat_stat[0], &src->slat_stat[l], nr);
1289 sum_stat(&dst->lat_stat[0], &src->lat_stat[l], nr);
1290 sum_stat(&dst->bw_stat[0], &src->bw_stat[l], nr);
1291
1292 dst->io_bytes[0] += src->io_bytes[l];
1293
1294 if (dst->runtime[0] < src->runtime[l])
1295 dst->runtime[0] = src->runtime[l];
1296 }
5b9babb7
JA
1297 }
1298
1299 dst->usr_time += src->usr_time;
1300 dst->sys_time += src->sys_time;
1301 dst->ctx += src->ctx;
1302 dst->majf += src->majf;
1303 dst->minf += src->minf;
1304
1305 for (k = 0; k < FIO_IO_U_MAP_NR; k++)
1306 dst->io_u_map[k] += src->io_u_map[k];
1307 for (k = 0; k < FIO_IO_U_MAP_NR; k++)
1308 dst->io_u_submit[k] += src->io_u_submit[k];
1309 for (k = 0; k < FIO_IO_U_MAP_NR; k++)
1310 dst->io_u_complete[k] += src->io_u_complete[k];
1311 for (k = 0; k < FIO_IO_U_LAT_U_NR; k++)
1312 dst->io_u_lat_u[k] += src->io_u_lat_u[k];
1313 for (k = 0; k < FIO_IO_U_LAT_M_NR; k++)
1314 dst->io_u_lat_m[k] += src->io_u_lat_m[k];
1315
6eaf09d6 1316 for (k = 0; k < DDIR_RWDIR_CNT; k++) {
771e58be
JA
1317 if (!dst->unified_rw_rep) {
1318 dst->total_io_u[k] += src->total_io_u[k];
1319 dst->short_io_u[k] += src->short_io_u[k];
3bcb9d94 1320 dst->drop_io_u[k] += src->drop_io_u[k];
771e58be
JA
1321 } else {
1322 dst->total_io_u[0] += src->total_io_u[k];
1323 dst->short_io_u[0] += src->short_io_u[k];
3bcb9d94 1324 dst->drop_io_u[0] += src->drop_io_u[k];
771e58be 1325 }
5b9babb7
JA
1326 }
1327
6eaf09d6 1328 for (k = 0; k < DDIR_RWDIR_CNT; k++) {
5b9babb7 1329 int m;
771e58be
JA
1330
1331 for (m = 0; m < FIO_IO_U_PLAT_NR; m++) {
1332 if (!dst->unified_rw_rep)
1333 dst->io_u_plat[k][m] += src->io_u_plat[k][m];
1334 else
1335 dst->io_u_plat[0][m] += src->io_u_plat[k][m];
1336 }
5b9babb7
JA
1337 }
1338
1339 dst->total_run_time += src->total_run_time;
1340 dst->total_submit += src->total_submit;
1341 dst->total_complete += src->total_complete;
1342}
1343
37f0c1ae
JA
1344void init_group_run_stat(struct group_run_stats *gs)
1345{
6eaf09d6 1346 int i;
37f0c1ae 1347 memset(gs, 0, sizeof(*gs));
6eaf09d6
SL
1348
1349 for (i = 0; i < DDIR_RWDIR_CNT; i++)
1350 gs->min_bw[i] = gs->min_run[i] = ~0UL;
37f0c1ae
JA
1351}
1352
1353void init_thread_stat(struct thread_stat *ts)
1354{
1355 int j;
1356
1357 memset(ts, 0, sizeof(*ts));
1358
6eaf09d6 1359 for (j = 0; j < DDIR_RWDIR_CNT; j++) {
37f0c1ae
JA
1360 ts->lat_stat[j].min_val = -1UL;
1361 ts->clat_stat[j].min_val = -1UL;
1362 ts->slat_stat[j].min_val = -1UL;
1363 ts->bw_stat[j].min_val = -1UL;
1364 }
1365 ts->groupid = -1;
1366}
1367
83f7b64e 1368void __show_run_stats(void)
3c39a379
JA
1369{
1370 struct group_run_stats *runstats, *rs;
1371 struct thread_data *td;
756867bd 1372 struct thread_stat *threadstats, *ts;
4da24b69 1373 int i, j, k, nr_ts, last_ts, idx;
90fef2d1 1374 int kb_base_warned = 0;
ad705bcb 1375 int unit_base_warned = 0;
cc372b17
SL
1376 struct json_object *root = NULL;
1377 struct json_array *array = NULL;
3c39a379
JA
1378 runstats = malloc(sizeof(struct group_run_stats) * (groupid + 1));
1379
37f0c1ae
JA
1380 for (i = 0; i < groupid + 1; i++)
1381 init_group_run_stat(&runstats[i]);
3c39a379 1382
756867bd
JA
1383 /*
1384 * find out how many threads stats we need. if group reporting isn't
1385 * enabled, it's one-per-td.
1386 */
1387 nr_ts = 0;
1388 last_ts = -1;
1389 for_each_td(td, i) {
2dc1bbeb 1390 if (!td->o.group_reporting) {
756867bd
JA
1391 nr_ts++;
1392 continue;
1393 }
1394 if (last_ts == td->groupid)
1395 continue;
1396
1397 last_ts = td->groupid;
1398 nr_ts++;
1399 }
1400
1401 threadstats = malloc(nr_ts * sizeof(struct thread_stat));
1402
37f0c1ae
JA
1403 for (i = 0; i < nr_ts; i++)
1404 init_thread_stat(&threadstats[i]);
756867bd
JA
1405
1406 j = 0;
1407 last_ts = -1;
197574e4 1408 idx = 0;
34572e28 1409 for_each_td(td, i) {
2dc1bbeb
JA
1410 if (idx && (!td->o.group_reporting ||
1411 (td->o.group_reporting && last_ts != td->groupid))) {
7abd0e3a
JA
1412 idx = 0;
1413 j++;
1414 }
1415
1416 last_ts = td->groupid;
1417
756867bd
JA
1418 ts = &threadstats[j];
1419
83349190 1420 ts->clat_percentiles = td->o.clat_percentiles;
435d195a 1421 ts->percentile_precision = td->o.percentile_precision;
fd112d34 1422 memcpy(ts->percentile_list, td->o.percentile_list, sizeof(td->o.percentile_list));
83349190 1423
197574e4 1424 idx++;
6586ee89 1425 ts->members++;
756867bd 1426
7abd0e3a 1427 if (ts->groupid == -1) {
2dc84ba7
JA
1428 /*
1429 * These are per-group shared already
1430 */
4e59d0f3 1431 strncpy(ts->name, td->o.name, FIO_JOBNAME_SIZE - 1);
a64e88da
JA
1432 if (td->o.description)
1433 strncpy(ts->description, td->o.description,
4e59d0f3 1434 FIO_JOBDESC_SIZE - 1);
a64e88da 1435 else
4e59d0f3 1436 memset(ts->description, 0, FIO_JOBDESC_SIZE);
a64e88da 1437
2f122b13
JA
1438 /*
1439 * If multiple entries in this group, this is
1440 * the first member.
1441 */
1442 ts->thread_number = td->thread_number;
756867bd 1443 ts->groupid = td->groupid;
2dc84ba7
JA
1444
1445 /*
1446 * first pid in group, not very useful...
1447 */
756867bd 1448 ts->pid = td->pid;
90fef2d1
JA
1449
1450 ts->kb_base = td->o.kb_base;
ad705bcb 1451 ts->unit_base = td->o.unit_base;
771e58be 1452 ts->unified_rw_rep = td->o.unified_rw_rep;
90fef2d1
JA
1453 } else if (ts->kb_base != td->o.kb_base && !kb_base_warned) {
1454 log_info("fio: kb_base differs for jobs in group, using"
1455 " %u as the base\n", ts->kb_base);
1456 kb_base_warned = 1;
ad705bcb
SN
1457 } else if (ts->unit_base != td->o.unit_base && !unit_base_warned) {
1458 log_info("fio: unit_base differs for jobs in group, using"
1459 " %u as the base\n", ts->unit_base);
1460 unit_base_warned = 1;
2dc84ba7
JA
1461 }
1462
f2bba182
RR
1463 ts->continue_on_error = td->o.continue_on_error;
1464 ts->total_err_count += td->total_err_count;
1465 ts->first_error = td->first_error;
1466 if (!ts->error) {
1467 if (!td->error && td->o.continue_on_error &&
1468 td->first_error) {
1469 ts->error = td->first_error;
3660ceae
JA
1470 ts->verror[sizeof(ts->verror) - 1] = '\0';
1471 strncpy(ts->verror, td->verror, sizeof(ts->verror) - 1);
f2bba182
RR
1472 } else if (td->error) {
1473 ts->error = td->error;
3660ceae
JA
1474 ts->verror[sizeof(ts->verror) - 1] = '\0';
1475 strncpy(ts->verror, td->verror, sizeof(ts->verror) - 1);
f2bba182 1476 }
756867bd
JA
1477 }
1478
3e260a46
JA
1479 ts->latency_depth = td->latency_qd;
1480 ts->latency_target = td->o.latency_target;
1481 ts->latency_percentile = td->o.latency_percentile;
1482 ts->latency_window = td->o.latency_window;
1483
0e4dd95c 1484 ts->nr_block_infos = td->ts.nr_block_infos;
4da24b69
JA
1485 for (k = 0; k < ts->nr_block_infos; k++)
1486 ts->block_infos[k] = td->ts.block_infos[k];
0e4dd95c 1487
5b9babb7 1488 sum_thread_stats(ts, &td->ts, idx);
756867bd
JA
1489 }
1490
1491 for (i = 0; i < nr_ts; i++) {
94370ac4 1492 unsigned long long bw;
3c39a379 1493
756867bd
JA
1494 ts = &threadstats[i];
1495 rs = &runstats[ts->groupid];
90fef2d1 1496 rs->kb_base = ts->kb_base;
ad705bcb 1497 rs->unit_base = ts->unit_base;
771e58be 1498 rs->unified_rw_rep += ts->unified_rw_rep;
3c39a379 1499
6eaf09d6 1500 for (j = 0; j < DDIR_RWDIR_CNT; j++) {
94370ac4
JA
1501 if (!ts->runtime[j])
1502 continue;
1503 if (ts->runtime[j] < rs->min_run[j] || !rs->min_run[j])
1504 rs->min_run[j] = ts->runtime[j];
1505 if (ts->runtime[j] > rs->max_run[j])
1506 rs->max_run[j] = ts->runtime[j];
1507
1508 bw = 0;
8879fd15 1509 if (ts->runtime[j]) {
c857cfeb
JA
1510 unsigned long runt = ts->runtime[j];
1511 unsigned long long kb;
8879fd15 1512
c857cfeb
JA
1513 kb = ts->io_bytes[j] / rs->kb_base;
1514 bw = kb * 1000 / runt;
8879fd15 1515 }
94370ac4
JA
1516 if (bw < rs->min_bw[j])
1517 rs->min_bw[j] = bw;
1518 if (bw > rs->max_bw[j])
1519 rs->max_bw[j] = bw;
1520
90fef2d1 1521 rs->io_kb[j] += ts->io_bytes[j] / rs->kb_base;
94370ac4 1522 }
3c39a379
JA
1523 }
1524
1525 for (i = 0; i < groupid + 1; i++) {
6eaf09d6
SL
1526 int ddir;
1527
3c39a379
JA
1528 rs = &runstats[i];
1529
6eaf09d6
SL
1530 for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++) {
1531 if (rs->max_run[ddir])
1532 rs->agg[ddir] = (rs->io_kb[ddir] * 1000) /
1533 rs->max_run[ddir];
1534 }
3c39a379
JA
1535 }
1536
1537 /*
1538 * don't overwrite last signal output
1539 */
f3afa57e 1540 if (output_format == FIO_OUTPUT_NORMAL)
4ceb30d4 1541 log_info("\n");
f3afa57e 1542 else if (output_format == FIO_OUTPUT_JSON) {
35326842 1543 char time_buf[32];
91e53870
SO
1544 time_t time_p;
1545
1546 time(&time_p);
1547 os_ctime_r((const time_t *) &time_p, time_buf,
1548 sizeof(time_buf));
1549 time_buf[strlen(time_buf) - 1] = '\0';
1550
cc372b17
SL
1551 root = json_create_object();
1552 json_object_add_value_string(root, "fio version", fio_version_string);
91e53870
SO
1553 json_object_add_value_int(root, "timestamp", time_p);
1554 json_object_add_value_string(root, "time", time_buf);
cc372b17
SL
1555 array = json_create_array();
1556 json_object_add_value_array(root, "jobs", array);
1557 }
3c39a379 1558
756867bd
JA
1559 for (i = 0; i < nr_ts; i++) {
1560 ts = &threadstats[i];
1561 rs = &runstats[ts->groupid];
3c39a379 1562
a64e88da
JA
1563 if (is_backend)
1564 fio_server_send_ts(ts, rs);
f3afa57e 1565 else if (output_format == FIO_OUTPUT_TERSE)
756867bd 1566 show_thread_status_terse(ts, rs);
f3afa57e
JA
1567 else if (output_format == FIO_OUTPUT_JSON) {
1568 struct json_object *tmp = show_thread_status_json(ts, rs);
1569 json_array_add_value_object(array, tmp);
cc372b17 1570 } else
952b05e0 1571 show_thread_status_normal(ts, rs);
3c39a379 1572 }
f3afa57e 1573 if (output_format == FIO_OUTPUT_JSON) {
cc372b17
SL
1574 /* disk util stats, if any */
1575 show_disk_util(1, root);
1576
f2a2ce0e
HL
1577 show_idle_prof_stats(FIO_OUTPUT_JSON, root);
1578
cc372b17
SL
1579 json_print_object(root);
1580 log_info("\n");
1581 json_free_object(root);
1582 }
3c39a379 1583
72c27ff8
JA
1584 for (i = 0; i < groupid + 1; i++) {
1585 rs = &runstats[i];
3c39a379 1586
72c27ff8 1587 rs->groupid = i;
d09a64a0 1588 if (is_backend)
72c27ff8 1589 fio_server_send_gs(rs);
f3afa57e 1590 else if (output_format == FIO_OUTPUT_NORMAL)
72c27ff8 1591 show_group_stats(rs);
c6ae0a5b 1592 }
eecf272f 1593
72c27ff8
JA
1594 if (is_backend)
1595 fio_server_send_du();
60904003 1596 else if (output_format == FIO_OUTPUT_NORMAL) {
cc372b17 1597 show_disk_util(0, NULL);
60904003
HL
1598 show_idle_prof_stats(FIO_OUTPUT_NORMAL, NULL);
1599 }
f2a2ce0e 1600
2b8c71b0
CE
1601 if ( !(output_format == FIO_OUTPUT_TERSE) && append_terse_output) {
1602 log_info("\nAdditional Terse Output:\n");
1603
1604 for (i = 0; i < nr_ts; i++) {
1605 ts = &threadstats[i];
1606 rs = &runstats[ts->groupid];
1607 show_thread_status_terse(ts, rs);
1608 }
1609 }
1610
fdd5f15f 1611 log_info_flush();
eecf272f 1612 free(runstats);
756867bd 1613 free(threadstats);
3c39a379
JA
1614}
1615
cef9175e
JA
1616void show_run_stats(void)
1617{
1618 fio_mutex_down(stat_mutex);
1619 __show_run_stats();
1620 fio_mutex_up(stat_mutex);
1621}
1622
5ddc6707 1623void __show_running_run_stats(void)
b852e7cf
JA
1624{
1625 struct thread_data *td;
1626 unsigned long long *rt;
1627 struct timeval tv;
1628 int i;
1629
90811930
JA
1630 fio_mutex_down(stat_mutex);
1631
b852e7cf
JA
1632 rt = malloc(thread_number * sizeof(unsigned long long));
1633 fio_gettime(&tv, NULL);
1634
1635 for_each_td(td, i) {
1636 rt[i] = mtime_since(&td->start, &tv);
1637 if (td_read(td) && td->io_bytes[DDIR_READ])
1638 td->ts.runtime[DDIR_READ] += rt[i];
1639 if (td_write(td) && td->io_bytes[DDIR_WRITE])
1640 td->ts.runtime[DDIR_WRITE] += rt[i];
6eaf09d6
SL
1641 if (td_trim(td) && td->io_bytes[DDIR_TRIM])
1642 td->ts.runtime[DDIR_TRIM] += rt[i];
b852e7cf 1643
c97f1ad6 1644 td->update_rusage = 1;
6eaf09d6
SL
1645 td->ts.io_bytes[DDIR_READ] = td->io_bytes[DDIR_READ];
1646 td->ts.io_bytes[DDIR_WRITE] = td->io_bytes[DDIR_WRITE];
1647 td->ts.io_bytes[DDIR_TRIM] = td->io_bytes[DDIR_TRIM];
b852e7cf
JA
1648 td->ts.total_run_time = mtime_since(&td->epoch, &tv);
1649 }
1650
c97f1ad6 1651 for_each_td(td, i) {
fda2cfac
JA
1652 if (td->runstate >= TD_EXITED)
1653 continue;
c97f1ad6
JA
1654 if (td->rusage_sem) {
1655 td->update_rusage = 1;
1656 fio_mutex_down(td->rusage_sem);
1657 }
1658 td->update_rusage = 0;
1659 }
1660
cef9175e 1661 __show_run_stats();
b852e7cf
JA
1662
1663 for_each_td(td, i) {
1664 if (td_read(td) && td->io_bytes[DDIR_READ])
1665 td->ts.runtime[DDIR_READ] -= rt[i];
1666 if (td_write(td) && td->io_bytes[DDIR_WRITE])
1667 td->ts.runtime[DDIR_WRITE] -= rt[i];
6eaf09d6
SL
1668 if (td_trim(td) && td->io_bytes[DDIR_TRIM])
1669 td->ts.runtime[DDIR_TRIM] -= rt[i];
b852e7cf
JA
1670 }
1671
1672 free(rt);
cef9175e 1673 fio_mutex_up(stat_mutex);
b852e7cf
JA
1674}
1675
06464907
JA
1676static int status_interval_init;
1677static struct timeval status_time;
77d99675 1678static int status_file_disabled;
06464907 1679
dac45f23 1680#define FIO_STATUS_FILE "fio-dump-status"
06464907
JA
1681
1682static int check_status_file(void)
1683{
1684 struct stat sb;
a0bafb7d
BC
1685 const char *temp_dir;
1686 char fio_status_file_path[PATH_MAX];
06464907 1687
77d99675
JA
1688 if (status_file_disabled)
1689 return 0;
1690
a0bafb7d 1691 temp_dir = getenv("TMPDIR");
48b16e27 1692 if (temp_dir == NULL) {
a0bafb7d 1693 temp_dir = getenv("TEMP");
48b16e27
JA
1694 if (temp_dir && strlen(temp_dir) >= PATH_MAX)
1695 temp_dir = NULL;
1696 }
a0bafb7d
BC
1697 if (temp_dir == NULL)
1698 temp_dir = "/tmp";
1699
1700 snprintf(fio_status_file_path, sizeof(fio_status_file_path), "%s/%s", temp_dir, FIO_STATUS_FILE);
1701
1702 if (stat(fio_status_file_path, &sb))
06464907
JA
1703 return 0;
1704
77d99675
JA
1705 if (unlink(fio_status_file_path) < 0) {
1706 log_err("fio: failed to unlink %s: %s\n", fio_status_file_path,
1707 strerror(errno));
1708 log_err("fio: disabling status file updates\n");
1709 status_file_disabled = 1;
1710 }
1711
06464907
JA
1712 return 1;
1713}
1714
1715void check_for_running_stats(void)
1716{
1717 if (status_interval) {
1718 if (!status_interval_init) {
1719 fio_gettime(&status_time, NULL);
1720 status_interval_init = 1;
1721 } else if (mtime_since_now(&status_time) >= status_interval) {
1722 show_running_run_stats();
1723 fio_gettime(&status_time, NULL);
1724 return;
1725 }
1726 }
1727 if (check_status_file()) {
1728 show_running_run_stats();
1729 return;
1730 }
1731}
1732
68704084 1733static inline void add_stat_sample(struct io_stat *is, unsigned long data)
3c39a379 1734{
68704084 1735 double val = data;
6660cc67 1736 double delta;
68704084
JA
1737
1738 if (data > is->max_val)
1739 is->max_val = data;
1740 if (data < is->min_val)
1741 is->min_val = data;
1742
802ad4a8 1743 delta = val - is->mean.u.f;
ef11d737 1744 if (delta) {
802ad4a8
JA
1745 is->mean.u.f += delta / (is->samples + 1.0);
1746 is->S.u.f += delta * (val - is->mean.u.f);
ef11d737 1747 }
3c39a379 1748
3c39a379
JA
1749 is->samples++;
1750}
1751
bb3884d8 1752static void __add_log_sample(struct io_log *iolog, unsigned long val,
306ddc97 1753 enum fio_ddir ddir, unsigned int bs,
ae588852 1754 unsigned long t, uint64_t offset)
3c39a379 1755{
aee2ab67 1756 uint64_t nr_samples = iolog->nr_samples;
ae588852 1757 struct io_sample *s;
306ddc97 1758
3c568239
JA
1759 if (iolog->disabled)
1760 return;
1761
b8bc8cba
JA
1762 if (!iolog->nr_samples)
1763 iolog->avg_last = t;
1764
3c39a379 1765 if (iolog->nr_samples == iolog->max_samples) {
ae588852 1766 size_t new_size;
3c568239 1767 void *new_log;
3c39a379 1768
ae588852 1769 new_size = 2 * iolog->max_samples * log_entry_sz(iolog);
aee2ab67
JA
1770
1771 if (iolog->log_gz && (new_size > iolog->log_gz)) {
1772 if (iolog_flush(iolog, 0)) {
1773 log_err("fio: failed flushing iolog! Will stop logging.\n");
1774 iolog->disabled = 1;
1775 return;
1776 }
1777 nr_samples = iolog->nr_samples;
1778 } else {
1779 new_log = realloc(iolog->log, new_size);
1780 if (!new_log) {
1781 log_err("fio: failed extending iolog! Will stop logging.\n");
1782 iolog->disabled = 1;
1783 return;
1784 }
1785 iolog->log = new_log;
1786 iolog->max_samples <<= 1;
3c568239 1787 }
3c39a379
JA
1788 }
1789
ae588852
JA
1790 s = get_sample(iolog, nr_samples);
1791
1792 s->val = val;
1793 s->time = t;
b26317c9 1794 io_sample_set_ddir(iolog, s, ddir);
ae588852
JA
1795 s->bs = bs;
1796
1797 if (iolog->log_offset) {
1798 struct io_sample_offset *so = (void *) s;
1799
1800 so->offset = offset;
1801 }
1802
3c39a379
JA
1803 iolog->nr_samples++;
1804}
1805
7fb28d36
JA
1806static inline void reset_io_stat(struct io_stat *ios)
1807{
1808 ios->max_val = ios->min_val = ios->samples = 0;
1809 ios->mean.u.f = ios->S.u.f = 0;
1810}
1811
6bb58215
JA
1812void reset_io_stats(struct thread_data *td)
1813{
1814 struct thread_stat *ts = &td->ts;
1815 int i, j;
1816
1817 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
1818 reset_io_stat(&ts->clat_stat[i]);
1819 reset_io_stat(&ts->slat_stat[i]);
1820 reset_io_stat(&ts->lat_stat[i]);
1821 reset_io_stat(&ts->bw_stat[i]);
1822 reset_io_stat(&ts->iops_stat[i]);
1823
1824 ts->io_bytes[i] = 0;
1825 ts->runtime[i] = 0;
1826
1827 for (j = 0; j < FIO_IO_U_PLAT_NR; j++)
1828 ts->io_u_plat[i][j] = 0;
1829 }
1830
1831 for (i = 0; i < FIO_IO_U_MAP_NR; i++) {
1832 ts->io_u_map[i] = 0;
1833 ts->io_u_submit[i] = 0;
1834 ts->io_u_complete[i] = 0;
1835 ts->io_u_lat_u[i] = 0;
1836 ts->io_u_lat_m[i] = 0;
1837 ts->total_submit = 0;
1838 ts->total_complete = 0;
1839 }
1840
1841 for (i = 0; i < 3; i++) {
1842 ts->total_io_u[i] = 0;
1843 ts->short_io_u[i] = 0;
3bcb9d94 1844 ts->drop_io_u[i] = 0;
6bb58215
JA
1845 }
1846}
1847
99007068
PO
1848static void _add_stat_to_log(struct io_log *iolog, unsigned long elapsed)
1849{
1850 /*
1851 * Note an entry in the log. Use the mean from the logged samples,
1852 * making sure to properly round up. Only write a log entry if we
1853 * had actual samples done.
1854 */
1855 if (iolog->avg_window[DDIR_READ].samples) {
1856 unsigned long mr;
1857
1858 mr = iolog->avg_window[DDIR_READ].mean.u.f + 0.50;
ae588852 1859 __add_log_sample(iolog, mr, DDIR_READ, 0, elapsed, 0);
99007068
PO
1860 }
1861 if (iolog->avg_window[DDIR_WRITE].samples) {
1862 unsigned long mw;
1863
1864 mw = iolog->avg_window[DDIR_WRITE].mean.u.f + 0.50;
ae588852 1865 __add_log_sample(iolog, mw, DDIR_WRITE, 0, elapsed, 0);
99007068
PO
1866 }
1867 if (iolog->avg_window[DDIR_TRIM].samples) {
1868 unsigned long mw;
1869
1870 mw = iolog->avg_window[DDIR_TRIM].mean.u.f + 0.50;
ae588852 1871 __add_log_sample(iolog, mw, DDIR_TRIM, 0, elapsed, 0);
99007068
PO
1872 }
1873
1874 reset_io_stat(&iolog->avg_window[DDIR_READ]);
1875 reset_io_stat(&iolog->avg_window[DDIR_WRITE]);
1876 reset_io_stat(&iolog->avg_window[DDIR_TRIM]);
1877}
1878
bb3884d8 1879static void add_log_sample(struct thread_data *td, struct io_log *iolog,
306ddc97 1880 unsigned long val, enum fio_ddir ddir,
ae588852 1881 unsigned int bs, uint64_t offset)
bb3884d8 1882{
7fb28d36 1883 unsigned long elapsed, this_window;
b8bc8cba 1884
ff58fced
JA
1885 if (!ddir_rw(ddir))
1886 return;
1887
b8bc8cba
JA
1888 elapsed = mtime_since_now(&td->epoch);
1889
1890 /*
1891 * If no time averaging, just add the log sample.
1892 */
1893 if (!iolog->avg_msec) {
ae588852 1894 __add_log_sample(iolog, val, ddir, bs, elapsed, offset);
b8bc8cba
JA
1895 return;
1896 }
1897
1898 /*
1899 * Add the sample. If the time period has passed, then
1900 * add that entry to the log and clear.
1901 */
1902 add_stat_sample(&iolog->avg_window[ddir], val);
1903
7fb28d36
JA
1904 /*
1905 * If period hasn't passed, adding the above sample is all we
1906 * need to do.
1907 */
b8bc8cba
JA
1908 this_window = elapsed - iolog->avg_last;
1909 if (this_window < iolog->avg_msec)
1910 return;
1911
99007068 1912 _add_stat_to_log(iolog, elapsed);
b8bc8cba 1913
99007068
PO
1914 iolog->avg_last = elapsed;
1915}
6eaf09d6 1916
99007068
PO
1917void finalize_logs(struct thread_data *td)
1918{
1919 unsigned long elapsed;
6eaf09d6 1920
99007068 1921 elapsed = mtime_since_now(&td->epoch);
b8bc8cba 1922
99007068
PO
1923 if (td->clat_log)
1924 _add_stat_to_log(td->clat_log, elapsed);
1925 if (td->slat_log)
1926 _add_stat_to_log(td->slat_log, elapsed);
1927 if (td->lat_log)
1928 _add_stat_to_log(td->lat_log, elapsed);
1929 if (td->bw_log)
1930 _add_stat_to_log(td->bw_log, elapsed);
1931 if (td->iops_log)
1932 _add_stat_to_log(td->iops_log, elapsed);
bb3884d8
JA
1933}
1934
306ddc97 1935void add_agg_sample(unsigned long val, enum fio_ddir ddir, unsigned int bs)
bb3884d8 1936{
ff58fced 1937 struct io_log *iolog;
bb3884d8 1938
ff58fced
JA
1939 if (!ddir_rw(ddir))
1940 return;
1941
1942 iolog = agg_io_log[ddir];
ae588852 1943 __add_log_sample(iolog, val, ddir, bs, mtime_since_genesis(), 0);
bb3884d8
JA
1944}
1945
83349190
YH
1946static void add_clat_percentile_sample(struct thread_stat *ts,
1947 unsigned long usec, enum fio_ddir ddir)
1948{
1949 unsigned int idx = plat_val_to_idx(usec);
1950 assert(idx < FIO_IO_U_PLAT_NR);
1951
1952 ts->io_u_plat[ddir][idx]++;
1953}
1954
1e97cce9 1955void add_clat_sample(struct thread_data *td, enum fio_ddir ddir,
ae588852 1956 unsigned long usec, unsigned int bs, uint64_t offset)
3c39a379 1957{
756867bd 1958 struct thread_stat *ts = &td->ts;
079ad09b 1959
ff58fced
JA
1960 if (!ddir_rw(ddir))
1961 return;
1962
d85f5118 1963 add_stat_sample(&ts->clat_stat[ddir], usec);
3c39a379 1964
7b9f733a 1965 if (td->clat_log)
ae588852 1966 add_log_sample(td, td->clat_log, usec, ddir, bs, offset);
83349190
YH
1967
1968 if (ts->clat_percentiles)
1969 add_clat_percentile_sample(ts, usec, ddir);
3c39a379
JA
1970}
1971
1e97cce9 1972void add_slat_sample(struct thread_data *td, enum fio_ddir ddir,
ae588852 1973 unsigned long usec, unsigned int bs, uint64_t offset)
3c39a379 1974{
756867bd 1975 struct thread_stat *ts = &td->ts;
079ad09b 1976
ff58fced
JA
1977 if (!ddir_rw(ddir))
1978 return;
1979
d85f5118 1980 add_stat_sample(&ts->slat_stat[ddir], usec);
3c39a379 1981
7b9f733a 1982 if (td->slat_log)
ae588852 1983 add_log_sample(td, td->slat_log, usec, ddir, bs, offset);
3c39a379
JA
1984}
1985
02af0988 1986void add_lat_sample(struct thread_data *td, enum fio_ddir ddir,
ae588852 1987 unsigned long usec, unsigned int bs, uint64_t offset)
02af0988
JA
1988{
1989 struct thread_stat *ts = &td->ts;
1990
ff58fced
JA
1991 if (!ddir_rw(ddir))
1992 return;
1993
02af0988
JA
1994 add_stat_sample(&ts->lat_stat[ddir], usec);
1995
7b9f733a 1996 if (td->lat_log)
ae588852 1997 add_log_sample(td, td->lat_log, usec, ddir, bs, offset);
02af0988
JA
1998}
1999
306ddc97 2000void add_bw_sample(struct thread_data *td, enum fio_ddir ddir, unsigned int bs,
1e97cce9 2001 struct timeval *t)
3c39a379 2002{
756867bd 2003 struct thread_stat *ts = &td->ts;
ff58fced
JA
2004 unsigned long spent, rate;
2005
2006 if (!ddir_rw(ddir))
2007 return;
3c39a379 2008
c8eeb9df 2009 spent = mtime_since(&td->bw_sample_time, t);
2dc1bbeb 2010 if (spent < td->o.bw_avg_time)
3c39a379 2011 return;
9602d8df 2012
a9da8ab2
JA
2013 td_io_u_lock(td);
2014
9602d8df 2015 /*
5daa4ebe
JC
2016 * Compute both read and write rates for the interval.
2017 */
6eaf09d6 2018 for (ddir = DDIR_READ; ddir < DDIR_RWDIR_CNT; ddir++) {
5daa4ebe
JC
2019 uint64_t delta;
2020
2021 delta = td->this_io_bytes[ddir] - td->stat_io_bytes[ddir];
2022 if (!delta)
2023 continue; /* No entries for interval */
3c39a379 2024
0956264f
JA
2025 if (spent)
2026 rate = delta * 1000 / spent / 1024;
2027 else
2028 rate = 0;
2029
5daa4ebe 2030 add_stat_sample(&ts->bw_stat[ddir], rate);
3c39a379 2031
5daa4ebe 2032 if (td->bw_log)
ae588852 2033 add_log_sample(td, td->bw_log, rate, ddir, bs, 0);
5daa4ebe
JC
2034
2035 td->stat_io_bytes[ddir] = td->this_io_bytes[ddir];
2036 }
3c39a379 2037
c8eeb9df 2038 fio_gettime(&td->bw_sample_time, NULL);
a9da8ab2 2039 td_io_u_unlock(td);
3c39a379 2040}
c8eeb9df 2041
9b7e600d 2042void add_iops_sample(struct thread_data *td, enum fio_ddir ddir, unsigned int bs,
c8eeb9df
JA
2043 struct timeval *t)
2044{
2045 struct thread_stat *ts = &td->ts;
2046 unsigned long spent, iops;
2047
2048 if (!ddir_rw(ddir))
2049 return;
2050
2051 spent = mtime_since(&td->iops_sample_time, t);
2052 if (spent < td->o.iops_avg_time)
2053 return;
2054
a9da8ab2
JA
2055 td_io_u_lock(td);
2056
9602d8df
JA
2057 /*
2058 * Compute both read and write rates for the interval.
2059 */
6eaf09d6 2060 for (ddir = DDIR_READ; ddir < DDIR_RWDIR_CNT; ddir++) {
9602d8df 2061 uint64_t delta;
c8eeb9df 2062
9602d8df
JA
2063 delta = td->this_io_blocks[ddir] - td->stat_io_blocks[ddir];
2064 if (!delta)
2065 continue; /* No entries for interval */
2066
0956264f
JA
2067 if (spent)
2068 iops = (delta * 1000) / spent;
2069 else
2070 iops = 0;
2071
9602d8df 2072 add_stat_sample(&ts->iops_stat[ddir], iops);
c8eeb9df 2073
9602d8df 2074 if (td->iops_log)
ae588852 2075 add_log_sample(td, td->iops_log, iops, ddir, bs, 0);
9602d8df 2076
421f4a82 2077 td->stat_io_blocks[ddir] = td->this_io_blocks[ddir];
9602d8df 2078 }
c8eeb9df
JA
2079
2080 fio_gettime(&td->iops_sample_time, NULL);
a9da8ab2 2081 td_io_u_unlock(td);
c8eeb9df 2082}
cef9175e
JA
2083
2084void stat_init(void)
2085{
2086 stat_mutex = fio_mutex_init(FIO_MUTEX_UNLOCKED);
2087}
2088
2089void stat_exit(void)
2090{
2091 /*
2092 * When we have the mutex, we know out-of-band access to it
2093 * have ended.
2094 */
2095 fio_mutex_down(stat_mutex);
2096 fio_mutex_remove(stat_mutex);
2097}
b2ee7647 2098
b2ee7647
JA
2099/*
2100 * Called from signal handler. Wake up status thread.
2101 */
2102void show_running_run_stats(void)
2103{
5ddc6707
JA
2104 helper_do_stat = 1;
2105 pthread_cond_signal(&helper_cond);
b2ee7647 2106}
66347cfa
DE
2107
2108uint32_t *io_u_block_info(struct thread_data *td, struct io_u *io_u)
2109{
2110 /* Ignore io_u's which span multiple blocks--they will just get
2111 * inaccurate counts. */
2112 int idx = (io_u->offset - io_u->file->file_offset)
2113 / td->o.bs[DDIR_TRIM];
2114 uint32_t *info = &td->ts.block_infos[idx];
2115 assert(idx < td->ts.nr_block_infos);
2116 return info;
2117}