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