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[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"
a666cab8 17#include "lib/output_buffer.h"
a39fb9ea 18#include "helper_thread.h"
90d2d53f 19#include "smalloc.h"
3c39a379 20
d454a205
JA
21#define LOG_MSEC_SLACK 10
22
e5437a07 23struct fio_mutex *stat_mutex;
cef9175e 24
210dd0fc
JA
25void clear_rusage_stat(struct thread_data *td)
26{
27 struct thread_stat *ts = &td->ts;
28
29 fio_getrusage(&td->ru_start);
30 ts->usr_time = ts->sys_time = 0;
31 ts->ctx = 0;
32 ts->minf = ts->majf = 0;
33}
34
3c39a379
JA
35void update_rusage_stat(struct thread_data *td)
36{
756867bd 37 struct thread_stat *ts = &td->ts;
3c39a379 38
44404c5a 39 fio_getrusage(&td->ru_end);
c8aaba19
JA
40 ts->usr_time += mtime_since(&td->ru_start.ru_utime,
41 &td->ru_end.ru_utime);
42 ts->sys_time += mtime_since(&td->ru_start.ru_stime,
43 &td->ru_end.ru_stime);
44 ts->ctx += td->ru_end.ru_nvcsw + td->ru_end.ru_nivcsw
45 - (td->ru_start.ru_nvcsw + td->ru_start.ru_nivcsw);
46 ts->minf += td->ru_end.ru_minflt - td->ru_start.ru_minflt;
47 ts->majf += td->ru_end.ru_majflt - td->ru_start.ru_majflt;
5ec10eaa 48
c8aaba19 49 memcpy(&td->ru_start, &td->ru_end, sizeof(td->ru_end));
3c39a379
JA
50}
51
83349190
YH
52/*
53 * Given a latency, return the index of the corresponding bucket in
54 * the structure tracking percentiles.
55 *
56 * (1) find the group (and error bits) that the value (latency)
57 * belongs to by looking at its MSB. (2) find the bucket number in the
58 * group by looking at the index bits.
59 *
60 */
61static unsigned int plat_val_to_idx(unsigned int val)
62{
63 unsigned int msb, error_bits, base, offset, idx;
64
65 /* Find MSB starting from bit 0 */
66 if (val == 0)
67 msb = 0;
68 else
69 msb = (sizeof(val)*8) - __builtin_clz(val) - 1;
70
716050f2
JA
71 /*
72 * MSB <= (FIO_IO_U_PLAT_BITS-1), cannot be rounded off. Use
73 * all bits of the sample as index
74 */
83349190
YH
75 if (msb <= FIO_IO_U_PLAT_BITS)
76 return val;
77
78 /* Compute the number of error bits to discard*/
79 error_bits = msb - FIO_IO_U_PLAT_BITS;
80
81 /* Compute the number of buckets before the group */
82 base = (error_bits + 1) << FIO_IO_U_PLAT_BITS;
83
716050f2
JA
84 /*
85 * Discard the error bits and apply the mask to find the
3c3ed070 86 * index for the buckets in the group
716050f2 87 */
83349190
YH
88 offset = (FIO_IO_U_PLAT_VAL - 1) & (val >> error_bits);
89
90 /* Make sure the index does not exceed (array size - 1) */
3c3ed070 91 idx = (base + offset) < (FIO_IO_U_PLAT_NR - 1) ?
83349190
YH
92 (base + offset) : (FIO_IO_U_PLAT_NR - 1);
93
94 return idx;
95}
96
97/*
98 * Convert the given index of the bucket array to the value
99 * represented by the bucket
100 */
101static unsigned int plat_idx_to_val(unsigned int idx)
102{
103 unsigned int error_bits, k, base;
104
105 assert(idx < FIO_IO_U_PLAT_NR);
106
107 /* MSB <= (FIO_IO_U_PLAT_BITS-1), cannot be rounded off. Use
108 * all bits of the sample as index */
3c3ed070 109 if (idx < (FIO_IO_U_PLAT_VAL << 1))
83349190
YH
110 return idx;
111
112 /* Find the group and compute the minimum value of that group */
3c3ed070 113 error_bits = (idx >> FIO_IO_U_PLAT_BITS) - 1;
83349190
YH
114 base = 1 << (error_bits + FIO_IO_U_PLAT_BITS);
115
116 /* Find its bucket number of the group */
117 k = idx % FIO_IO_U_PLAT_VAL;
118
119 /* Return the mean of the range of the bucket */
120 return base + ((k + 0.5) * (1 << error_bits));
121}
122
123static int double_cmp(const void *a, const void *b)
124{
802ad4a8
JA
125 const fio_fp64_t fa = *(const fio_fp64_t *) a;
126 const fio_fp64_t fb = *(const fio_fp64_t *) b;
83349190
YH
127 int cmp = 0;
128
802ad4a8 129 if (fa.u.f > fb.u.f)
83349190 130 cmp = 1;
802ad4a8 131 else if (fa.u.f < fb.u.f)
83349190
YH
132 cmp = -1;
133
134 return cmp;
135}
136
a269790c
JA
137unsigned int calc_clat_percentiles(unsigned int *io_u_plat, unsigned long nr,
138 fio_fp64_t *plist, unsigned int **output,
139 unsigned int *maxv, unsigned int *minv)
83349190
YH
140{
141 unsigned long sum = 0;
1db92cb6
JA
142 unsigned int len, i, j = 0;
143 unsigned int oval_len = 0;
144 unsigned int *ovals = NULL;
145 int is_last;
146
147 *minv = -1U;
148 *maxv = 0;
83349190 149
802ad4a8
JA
150 len = 0;
151 while (len < FIO_IO_U_LIST_MAX_LEN && plist[len].u.f != 0.0)
152 len++;
716050f2 153
351de8de 154 if (!len)
1db92cb6 155 return 0;
351de8de 156
716050f2 157 /*
802ad4a8
JA
158 * Sort the percentile list. Note that it may already be sorted if
159 * we are using the default values, but since it's a short list this
160 * isn't a worry. Also note that this does not work for NaN values.
716050f2 161 */
802ad4a8 162 if (len > 1)
3c3ed070 163 qsort((void *)plist, len, sizeof(plist[0]), double_cmp);
83349190 164
4f6f8298
JA
165 /*
166 * Calculate bucket values, note down max and min values
167 */
07511a63
JA
168 is_last = 0;
169 for (i = 0; i < FIO_IO_U_PLAT_NR && !is_last; i++) {
83349190 170 sum += io_u_plat[i];
802ad4a8
JA
171 while (sum >= (plist[j].u.f / 100.0 * nr)) {
172 assert(plist[j].u.f <= 100.0);
83349190 173
4f6f8298
JA
174 if (j == oval_len) {
175 oval_len += 100;
176 ovals = realloc(ovals, oval_len * sizeof(unsigned int));
177 }
178
179 ovals[j] = plat_idx_to_val(i);
1db92cb6
JA
180 if (ovals[j] < *minv)
181 *minv = ovals[j];
182 if (ovals[j] > *maxv)
183 *maxv = ovals[j];
07511a63
JA
184
185 is_last = (j == len - 1);
186 if (is_last)
187 break;
188
4f6f8298
JA
189 j++;
190 }
191 }
83349190 192
1db92cb6
JA
193 *output = ovals;
194 return len;
195}
196
197/*
198 * Find and display the p-th percentile of clat
199 */
200static void show_clat_percentiles(unsigned int *io_u_plat, unsigned long nr,
a666cab8
JA
201 fio_fp64_t *plist, unsigned int precision,
202 struct buf_output *out)
1db92cb6
JA
203{
204 unsigned int len, j = 0, minv, maxv;
205 unsigned int *ovals;
eef02441
JA
206 int is_last, per_line, scale_down;
207 char fmt[32];
1db92cb6
JA
208
209 len = calc_clat_percentiles(io_u_plat, nr, plist, &ovals, &maxv, &minv);
210 if (!len)
211 goto out;
212
4f6f8298
JA
213 /*
214 * We default to usecs, but if the value range is such that we
215 * should scale down to msecs, do that.
216 */
217 if (minv > 2000 && maxv > 99999) {
218 scale_down = 1;
a666cab8 219 log_buf(out, " clat percentiles (msec):\n |");
4f6f8298
JA
220 } else {
221 scale_down = 0;
a666cab8 222 log_buf(out, " clat percentiles (usec):\n |");
4f6f8298 223 }
83349190 224
3dc1e5b2 225 snprintf(fmt, sizeof(fmt), "%%1.%uf", precision);
eef02441 226 per_line = (80 - 7) / (precision + 14);
619adf9c 227
4f6f8298 228 for (j = 0; j < len; j++) {
619adf9c 229 char fbuf[16], *ptr = fbuf;
81ab0b3a 230
4f6f8298 231 /* for formatting */
eef02441 232 if (j != 0 && (j % per_line) == 0)
a666cab8 233 log_buf(out, " |");
83349190 234
4f6f8298
JA
235 /* end of the list */
236 is_last = (j == len - 1);
83349190 237
4f6f8298 238 if (plist[j].u.f < 10.0)
619adf9c
JA
239 ptr += sprintf(fbuf, " ");
240
eef02441 241 snprintf(ptr, sizeof(fbuf), fmt, plist[j].u.f);
4f6f8298
JA
242
243 if (scale_down)
244 ovals[j] = (ovals[j] + 999) / 1000;
245
a666cab8 246 log_buf(out, " %sth=[%5u]%c", fbuf, ovals[j], is_last ? '\n' : ',');
4f6f8298
JA
247
248 if (is_last)
249 break;
250
eef02441 251 if ((j % per_line) == per_line - 1) /* for formatting */
a666cab8 252 log_buf(out, "\n");
83349190 253 }
4f6f8298 254
1db92cb6 255out:
4f6f8298
JA
256 if (ovals)
257 free(ovals);
83349190
YH
258}
259
b29ad562
JA
260int calc_lat(struct io_stat *is, unsigned long *min, unsigned long *max,
261 double *mean, double *dev)
3c39a379 262{
ee0ccb79 263 double n = (double) is->samples;
3c39a379 264
ee0ccb79 265 if (n == 0)
3c39a379
JA
266 return 0;
267
268 *min = is->min_val;
269 *max = is->max_val;
802ad4a8 270 *mean = is->mean.u.f;
e6d276f2 271
68704084 272 if (n > 1.0)
802ad4a8 273 *dev = sqrt(is->S.u.f / (n - 1.0));
ef9c5c40 274 else
4b43f54e 275 *dev = 0;
ef9c5c40 276
3c39a379
JA
277 return 1;
278}
279
a666cab8 280void show_group_stats(struct group_run_stats *rs, struct buf_output *out)
3c39a379 281{
dbe1125e 282 char *p1, *p2, *p3, *p4;
42da5c8b 283 const char *str[] = { " READ", " WRITE" , " TRIM"};
dbe1125e
JA
284 int i;
285
a666cab8 286 log_buf(out, "\nRun status group %d (all jobs):\n", rs->groupid);
3c39a379 287
6eaf09d6 288 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
90fef2d1
JA
289 const int i2p = is_power_of_2(rs->kb_base);
290
dbe1125e
JA
291 if (!rs->max_run[i])
292 continue;
293
73798eb2 294 p1 = num2str(rs->io_kb[i], 6, rs->kb_base, i2p, 8);
ad705bcb
SN
295 p2 = num2str(rs->agg[i], 6, rs->kb_base, i2p, rs->unit_base);
296 p3 = num2str(rs->min_bw[i], 6, rs->kb_base, i2p, rs->unit_base);
297 p4 = num2str(rs->max_bw[i], 6, rs->kb_base, i2p, rs->unit_base);
dbe1125e 298
a666cab8 299 log_buf(out, "%s: io=%s, aggrb=%s/s, minb=%s/s, maxb=%s/s,"
771e58be 300 " mint=%llumsec, maxt=%llumsec\n",
42da5c8b 301 rs->unified_rw_rep ? " MIXED" : str[i],
4e0a8fa2
JA
302 p1, p2, p3, p4,
303 (unsigned long long) rs->min_run[i],
304 (unsigned long long) rs->max_run[i]);
dbe1125e
JA
305
306 free(p1);
307 free(p2);
308 free(p3);
309 free(p4);
310 }
3c39a379
JA
311}
312
2e33101f 313void stat_calc_dist(unsigned int *map, unsigned long total, double *io_u_dist)
2270890c
JA
314{
315 int i;
316
317 /*
318 * Do depth distribution calculations
319 */
320 for (i = 0; i < FIO_IO_U_MAP_NR; i++) {
838bc709
JA
321 if (total) {
322 io_u_dist[i] = (double) map[i] / (double) total;
323 io_u_dist[i] *= 100.0;
324 if (io_u_dist[i] < 0.1 && map[i])
325 io_u_dist[i] = 0.1;
326 } else
327 io_u_dist[i] = 0.0;
2270890c
JA
328 }
329}
330
04a0feae
JA
331static void stat_calc_lat(struct thread_stat *ts, double *dst,
332 unsigned int *src, int nr)
2270890c 333{
d79db122 334 unsigned long total = ddir_rw_sum(ts->total_io_u);
2270890c
JA
335 int i;
336
337 /*
338 * Do latency distribution calculations
339 */
04a0feae 340 for (i = 0; i < nr; i++) {
838bc709
JA
341 if (total) {
342 dst[i] = (double) src[i] / (double) total;
343 dst[i] *= 100.0;
344 if (dst[i] < 0.01 && src[i])
345 dst[i] = 0.01;
346 } else
347 dst[i] = 0.0;
2270890c
JA
348 }
349}
350
e5bd1347 351void stat_calc_lat_u(struct thread_stat *ts, double *io_u_lat)
04a0feae
JA
352{
353 stat_calc_lat(ts, io_u_lat, ts->io_u_lat_u, FIO_IO_U_LAT_U_NR);
354}
355
e5bd1347 356void stat_calc_lat_m(struct thread_stat *ts, double *io_u_lat)
04a0feae
JA
357{
358 stat_calc_lat(ts, io_u_lat, ts->io_u_lat_m, FIO_IO_U_LAT_M_NR);
359}
360
b29ad562 361static void display_lat(const char *name, unsigned long min, unsigned long max,
a666cab8 362 double mean, double dev, struct buf_output *out)
ea2accc5 363{
b29ad562
JA
364 const char *base = "(usec)";
365 char *minp, *maxp;
ea2accc5 366
b29ad562
JA
367 if (!usec_to_msec(&min, &max, &mean, &dev))
368 base = "(msec)";
369
22f80458
JA
370 minp = num2str(min, 6, 1, 0, 0);
371 maxp = num2str(max, 6, 1, 0, 0);
b29ad562 372
a666cab8 373 log_buf(out, " %s %s: min=%s, max=%s, avg=%5.02f,"
b29ad562
JA
374 " stdev=%5.02f\n", name, base, minp, maxp, mean, dev);
375
376 free(minp);
377 free(maxp);
ea2accc5
JA
378}
379
756867bd 380static void show_ddir_status(struct group_run_stats *rs, struct thread_stat *ts,
a666cab8 381 int ddir, struct buf_output *out)
3c39a379 382{
42da5c8b 383 const char *str[] = { "read ", "write", "trim" };
8879fd15 384 unsigned long min, max, runt;
b3605062 385 unsigned long long bw, iops;
3c39a379 386 double mean, dev;
b3605062 387 char *io_p, *bw_p, *iops_p;
90fef2d1 388 int i2p;
3c39a379 389
ff58fced
JA
390 assert(ddir_rw(ddir));
391
756867bd 392 if (!ts->runtime[ddir])
3c39a379
JA
393 return;
394
90fef2d1 395 i2p = is_power_of_2(rs->kb_base);
8879fd15
JA
396 runt = ts->runtime[ddir];
397
398 bw = (1000 * ts->io_bytes[ddir]) / runt;
73798eb2 399 io_p = num2str(ts->io_bytes[ddir], 6, 1, i2p, 8);
ad705bcb 400 bw_p = num2str(bw, 6, 1, i2p, ts->unit_base);
8879fd15 401
0aacc50c 402 iops = (1000 * (uint64_t)ts->total_io_u[ddir]) / runt;
73798eb2 403 iops_p = num2str(iops, 6, 1, 0, 0);
dbe1125e 404
a666cab8 405 log_buf(out, " %s: io=%s, bw=%s/s, iops=%s, runt=%6llumsec\n",
42da5c8b 406 rs->unified_rw_rep ? "mixed" : str[ddir],
4e0a8fa2
JA
407 io_p, bw_p, iops_p,
408 (unsigned long long) ts->runtime[ddir]);
dbe1125e
JA
409
410 free(io_p);
411 free(bw_p);
b3605062 412 free(iops_p);
3c39a379 413
b29ad562 414 if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev))
a666cab8 415 display_lat("slat", min, max, mean, dev, out);
b29ad562 416 if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev))
a666cab8 417 display_lat("clat", min, max, mean, dev, out);
b29ad562 418 if (calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev))
a666cab8 419 display_lat(" lat", min, max, mean, dev, out);
02af0988 420
83349190
YH
421 if (ts->clat_percentiles) {
422 show_clat_percentiles(ts->io_u_plat[ddir],
423 ts->clat_stat[ddir].samples,
435d195a 424 ts->percentile_list,
a666cab8 425 ts->percentile_precision, out);
83349190 426 }
079ad09b 427 if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) {
142c7f2d 428 double p_of_agg = 100.0, fkb_base = (double)rs->kb_base;
d686990a
SN
429 const char *bw_str = (rs->unit_base == 1 ? "Kbit" : "KB");
430
431 if (rs->unit_base == 1) {
432 min *= 8.0;
433 max *= 8.0;
434 mean *= 8.0;
435 dev *= 8.0;
436 }
3c39a379 437
2f2c6924 438 if (rs->agg[ddir]) {
19d3e967
JA
439 p_of_agg = mean * 100 / (double) rs->agg[ddir];
440 if (p_of_agg > 100.0)
441 p_of_agg = 100.0;
442 }
b7017e32 443
142c7f2d
SN
444 if (mean > fkb_base * fkb_base) {
445 min /= fkb_base;
446 max /= fkb_base;
447 mean /= fkb_base;
448 dev /= fkb_base;
d686990a 449 bw_str = (rs->unit_base == 1 ? "Mbit" : "MB");
b7017e32
JA
450 }
451
a666cab8 452 log_buf(out, " bw (%-4s/s): min=%5lu, max=%5lu, per=%3.2f%%,"
b7017e32
JA
453 " avg=%5.02f, stdev=%5.02f\n", bw_str, min, max,
454 p_of_agg, mean, dev);
3c39a379
JA
455 }
456}
457
7e1773ba 458static int show_lat(double *io_u_lat, int nr, const char **ranges,
a666cab8 459 const char *msg, struct buf_output *out)
04a0feae 460{
7e1773ba 461 int new_line = 1, i, line = 0, shown = 0;
04a0feae
JA
462
463 for (i = 0; i < nr; i++) {
464 if (io_u_lat[i] <= 0.0)
465 continue;
7e1773ba 466 shown = 1;
04a0feae 467 if (new_line) {
4539ed73 468 if (line)
a666cab8
JA
469 log_buf(out, "\n");
470 log_buf(out, " lat (%s) : ", msg);
04a0feae
JA
471 new_line = 0;
472 line = 0;
473 }
474 if (line)
a666cab8
JA
475 log_buf(out, ", ");
476 log_buf(out, "%s%3.2f%%", ranges[i], io_u_lat[i]);
04a0feae
JA
477 line++;
478 if (line == 5)
479 new_line = 1;
480 }
7e1773ba
JA
481
482 if (shown)
a666cab8 483 log_buf(out, "\n");
7e1773ba
JA
484
485 return shown;
04a0feae
JA
486}
487
a666cab8 488static void show_lat_u(double *io_u_lat_u, struct buf_output *out)
04a0feae
JA
489{
490 const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=",
491 "250=", "500=", "750=", "1000=", };
492
a666cab8 493 show_lat(io_u_lat_u, FIO_IO_U_LAT_U_NR, ranges, "usec", out);
04a0feae
JA
494}
495
a666cab8 496static void show_lat_m(double *io_u_lat_m, struct buf_output *out)
04a0feae
JA
497{
498 const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=",
499 "250=", "500=", "750=", "1000=", "2000=",
500 ">=2000=", };
501
a666cab8 502 show_lat(io_u_lat_m, FIO_IO_U_LAT_M_NR, ranges, "msec", out);
04a0feae
JA
503}
504
a666cab8 505static void show_latencies(struct thread_stat *ts, struct buf_output *out)
04a0feae 506{
c551f65a
JA
507 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
508 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
509
5a18988e
JA
510 stat_calc_lat_u(ts, io_u_lat_u);
511 stat_calc_lat_m(ts, io_u_lat_m);
512
a666cab8
JA
513 show_lat_u(io_u_lat_u, out);
514 show_lat_m(io_u_lat_m, out);
04a0feae
JA
515}
516
66347cfa
DE
517static int block_state_category(int block_state)
518{
519 switch (block_state) {
520 case BLOCK_STATE_UNINIT:
521 return 0;
522 case BLOCK_STATE_TRIMMED:
523 case BLOCK_STATE_WRITTEN:
524 return 1;
525 case BLOCK_STATE_WRITE_FAILURE:
526 case BLOCK_STATE_TRIM_FAILURE:
527 return 2;
528 default:
081c2dc3 529 /* Silence compile warning on some BSDs and have a return */
66347cfa 530 assert(0);
07ff5841 531 return -1;
66347cfa
DE
532 }
533}
534
535static int compare_block_infos(const void *bs1, const void *bs2)
536{
537 uint32_t block1 = *(uint32_t *)bs1;
538 uint32_t block2 = *(uint32_t *)bs2;
539 int state1 = BLOCK_INFO_STATE(block1);
540 int state2 = BLOCK_INFO_STATE(block2);
541 int bscat1 = block_state_category(state1);
542 int bscat2 = block_state_category(state2);
543 int cycles1 = BLOCK_INFO_TRIMS(block1);
544 int cycles2 = BLOCK_INFO_TRIMS(block2);
545
546 if (bscat1 < bscat2)
547 return -1;
548 if (bscat1 > bscat2)
549 return 1;
550
551 if (cycles1 < cycles2)
552 return -1;
553 if (cycles1 > cycles2)
554 return 1;
555
556 if (state1 < state2)
557 return -1;
558 if (state1 > state2)
559 return 1;
560
561 assert(block1 == block2);
562 return 0;
563}
564
565static int calc_block_percentiles(int nr_block_infos, uint32_t *block_infos,
566 fio_fp64_t *plist, unsigned int **percentiles,
567 unsigned int *types)
568{
569 int len = 0;
570 int i, nr_uninit;
571
572 qsort(block_infos, nr_block_infos, sizeof(uint32_t), compare_block_infos);
573
574 while (len < FIO_IO_U_LIST_MAX_LEN && plist[len].u.f != 0.0)
575 len++;
576
577 if (!len)
578 return 0;
579
580 /*
581 * Sort the percentile list. Note that it may already be sorted if
582 * we are using the default values, but since it's a short list this
583 * isn't a worry. Also note that this does not work for NaN values.
584 */
585 if (len > 1)
586 qsort((void *)plist, len, sizeof(plist[0]), double_cmp);
587
588 nr_uninit = 0;
589 /* Start only after the uninit entries end */
590 for (nr_uninit = 0;
591 nr_uninit < nr_block_infos
592 && BLOCK_INFO_STATE(block_infos[nr_uninit]) == BLOCK_STATE_UNINIT;
593 nr_uninit ++)
594 ;
595
596 if (nr_uninit == nr_block_infos)
597 return 0;
598
599 *percentiles = calloc(len, sizeof(**percentiles));
600
601 for (i = 0; i < len; i++) {
602 int idx = (plist[i].u.f * (nr_block_infos - nr_uninit) / 100)
603 + nr_uninit;
604 (*percentiles)[i] = BLOCK_INFO_TRIMS(block_infos[idx]);
605 }
606
607 memset(types, 0, sizeof(*types) * BLOCK_STATE_COUNT);
608 for (i = 0; i < nr_block_infos; i++)
609 types[BLOCK_INFO_STATE(block_infos[i])]++;
610
611 return len;
612}
613
614static const char *block_state_names[] = {
615 [BLOCK_STATE_UNINIT] = "unwritten",
616 [BLOCK_STATE_TRIMMED] = "trimmed",
617 [BLOCK_STATE_WRITTEN] = "written",
618 [BLOCK_STATE_TRIM_FAILURE] = "trim failure",
619 [BLOCK_STATE_WRITE_FAILURE] = "write failure",
620};
621
622static void show_block_infos(int nr_block_infos, uint32_t *block_infos,
a666cab8 623 fio_fp64_t *plist, struct buf_output *out)
66347cfa
DE
624{
625 int len, pos, i;
626 unsigned int *percentiles = NULL;
627 unsigned int block_state_counts[BLOCK_STATE_COUNT];
628
629 len = calc_block_percentiles(nr_block_infos, block_infos, plist,
630 &percentiles, block_state_counts);
631
a666cab8 632 log_buf(out, " block lifetime percentiles :\n |");
66347cfa
DE
633 pos = 0;
634 for (i = 0; i < len; i++) {
635 uint32_t block_info = percentiles[i];
636#define LINE_LENGTH 75
637 char str[LINE_LENGTH];
638 int strln = snprintf(str, LINE_LENGTH, " %3.2fth=%u%c",
639 plist[i].u.f, block_info,
640 i == len - 1 ? '\n' : ',');
641 assert(strln < LINE_LENGTH);
642 if (pos + strln > LINE_LENGTH) {
643 pos = 0;
a666cab8 644 log_buf(out, "\n |");
66347cfa 645 }
a666cab8 646 log_buf(out, "%s", str);
66347cfa
DE
647 pos += strln;
648#undef LINE_LENGTH
649 }
650 if (percentiles)
651 free(percentiles);
652
a666cab8 653 log_buf(out, " states :");
66347cfa 654 for (i = 0; i < BLOCK_STATE_COUNT; i++)
a666cab8 655 log_buf(out, " %s=%u%c",
66347cfa
DE
656 block_state_names[i], block_state_counts[i],
657 i == BLOCK_STATE_COUNT - 1 ? '\n' : ',');
658}
659
10aa136b 660static void show_thread_status_normal(struct thread_stat *ts,
a666cab8
JA
661 struct group_run_stats *rs,
662 struct buf_output *out)
3c39a379
JA
663{
664 double usr_cpu, sys_cpu;
69008999 665 unsigned long runtime;
71619dc2 666 double io_u_dist[FIO_IO_U_MAP_NR];
57a64324 667 time_t time_p;
35326842 668 char time_buf[32];
3c39a379 669
9966af7b 670 if (!ddir_rw_sum(ts->io_bytes) && !ddir_rw_sum(ts->total_io_u))
3c39a379
JA
671 return;
672
57a64324 673 time(&time_p);
45054cbe 674 os_ctime_r((const time_t *) &time_p, time_buf, sizeof(time_buf));
57a64324 675
5ec10eaa 676 if (!ts->error) {
a666cab8 677 log_buf(out, "%s: (groupid=%d, jobs=%d): err=%2d: pid=%d: %s",
5ec10eaa 678 ts->name, ts->groupid, ts->members,
57a64324 679 ts->error, (int) ts->pid, time_buf);
5ec10eaa 680 } else {
a666cab8 681 log_buf(out, "%s: (groupid=%d, jobs=%d): err=%2d (%s): pid=%d: %s",
5ec10eaa 682 ts->name, ts->groupid, ts->members,
57a64324
JA
683 ts->error, ts->verror, (int) ts->pid,
684 time_buf);
5ec10eaa 685 }
3c39a379 686
259e47de 687 if (strlen(ts->description))
a666cab8 688 log_buf(out, " Description : [%s]\n", ts->description);
7bdce1bd 689
756867bd 690 if (ts->io_bytes[DDIR_READ])
a666cab8 691 show_ddir_status(rs, ts, DDIR_READ, out);
756867bd 692 if (ts->io_bytes[DDIR_WRITE])
a666cab8 693 show_ddir_status(rs, ts, DDIR_WRITE, out);
6eaf09d6 694 if (ts->io_bytes[DDIR_TRIM])
a666cab8 695 show_ddir_status(rs, ts, DDIR_TRIM, out);
3c39a379 696
a666cab8 697 show_latencies(ts, out);
7e1773ba 698
756867bd 699 runtime = ts->total_run_time;
69008999 700 if (runtime) {
1e97cce9 701 double runt = (double) runtime;
3c39a379 702
756867bd
JA
703 usr_cpu = (double) ts->usr_time * 100 / runt;
704 sys_cpu = (double) ts->sys_time * 100 / runt;
3c39a379
JA
705 } else {
706 usr_cpu = 0;
707 sys_cpu = 0;
708 }
709
a666cab8 710 log_buf(out, " cpu : usr=%3.2f%%, sys=%3.2f%%, ctx=%llu,"
4e0a8fa2
JA
711 " majf=%llu, minf=%llu\n", usr_cpu, sys_cpu,
712 (unsigned long long) ts->ctx,
713 (unsigned long long) ts->majf,
714 (unsigned long long) ts->minf);
71619dc2 715
d79db122 716 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
a666cab8 717 log_buf(out, " IO depths : 1=%3.1f%%, 2=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%,"
5ec10eaa
JA
718 " 16=%3.1f%%, 32=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0],
719 io_u_dist[1], io_u_dist[2],
720 io_u_dist[3], io_u_dist[4],
721 io_u_dist[5], io_u_dist[6]);
838bc709
JA
722
723 stat_calc_dist(ts->io_u_submit, ts->total_submit, io_u_dist);
a666cab8 724 log_buf(out, " submit : 0=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%, 16=%3.1f%%,"
838bc709
JA
725 " 32=%3.1f%%, 64=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0],
726 io_u_dist[1], io_u_dist[2],
727 io_u_dist[3], io_u_dist[4],
728 io_u_dist[5], io_u_dist[6]);
729 stat_calc_dist(ts->io_u_complete, ts->total_complete, io_u_dist);
a666cab8 730 log_buf(out, " complete : 0=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%, 16=%3.1f%%,"
838bc709
JA
731 " 32=%3.1f%%, 64=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0],
732 io_u_dist[1], io_u_dist[2],
733 io_u_dist[3], io_u_dist[4],
734 io_u_dist[5], io_u_dist[6]);
a666cab8 735 log_buf(out, " issued : total=r=%llu/w=%llu/d=%llu,"
3bcb9d94
JA
736 " short=r=%llu/w=%llu/d=%llu,"
737 " drop=r=%llu/w=%llu/d=%llu\n",
4e0a8fa2
JA
738 (unsigned long long) ts->total_io_u[0],
739 (unsigned long long) ts->total_io_u[1],
740 (unsigned long long) ts->total_io_u[2],
741 (unsigned long long) ts->short_io_u[0],
742 (unsigned long long) ts->short_io_u[1],
3bcb9d94
JA
743 (unsigned long long) ts->short_io_u[2],
744 (unsigned long long) ts->drop_io_u[0],
745 (unsigned long long) ts->drop_io_u[1],
746 (unsigned long long) ts->drop_io_u[2]);
f2bba182 747 if (ts->continue_on_error) {
a666cab8 748 log_buf(out, " errors : total=%llu, first_error=%d/<%s>\n",
4e0a8fa2 749 (unsigned long long)ts->total_err_count,
1ec99eea
JA
750 ts->first_error,
751 strerror(ts->first_error));
f2bba182 752 }
3e260a46 753 if (ts->latency_depth) {
a666cab8 754 log_buf(out, " latency : target=%llu, window=%llu, percentile=%.2f%%, depth=%u\n",
3e260a46
JA
755 (unsigned long long)ts->latency_target,
756 (unsigned long long)ts->latency_window,
757 ts->latency_percentile.u.f,
758 ts->latency_depth);
759 }
66347cfa
DE
760
761 if (ts->nr_block_infos)
762 show_block_infos(ts->nr_block_infos, ts->block_infos,
a666cab8 763 ts->percentile_list, out);
3c39a379
JA
764}
765
756867bd 766static void show_ddir_status_terse(struct thread_stat *ts,
a666cab8
JA
767 struct group_run_stats *rs, int ddir,
768 struct buf_output *out)
c6ae0a5b
JA
769{
770 unsigned long min, max;
312b4af2 771 unsigned long long bw, iops;
1db92cb6 772 unsigned int *ovals = NULL;
c6ae0a5b 773 double mean, dev;
1db92cb6
JA
774 unsigned int len, minv, maxv;
775 int i;
c6ae0a5b 776
ff58fced
JA
777 assert(ddir_rw(ddir));
778
312b4af2
JA
779 iops = bw = 0;
780 if (ts->runtime[ddir]) {
781 uint64_t runt = ts->runtime[ddir];
782
033bbb51 783 bw = ((1000 * ts->io_bytes[ddir]) / runt) / 1024;
312b4af2
JA
784 iops = (1000 * (uint64_t) ts->total_io_u[ddir]) / runt;
785 }
c6ae0a5b 786
a666cab8 787 log_buf(out, ";%llu;%llu;%llu;%llu",
4e0a8fa2
JA
788 (unsigned long long) ts->io_bytes[ddir] >> 10, bw, iops,
789 (unsigned long long) ts->runtime[ddir]);
c6ae0a5b 790
079ad09b 791 if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev))
a666cab8 792 log_buf(out, ";%lu;%lu;%f;%f", min, max, mean, dev);
c6ae0a5b 793 else
a666cab8 794 log_buf(out, ";%lu;%lu;%f;%f", 0UL, 0UL, 0.0, 0.0);
c6ae0a5b 795
079ad09b 796 if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev))
a666cab8 797 log_buf(out, ";%lu;%lu;%f;%f", min, max, mean, dev);
c6ae0a5b 798 else
a666cab8 799 log_buf(out, ";%lu;%lu;%f;%f", 0UL, 0UL, 0.0, 0.0);
c6ae0a5b 800
1db92cb6
JA
801 if (ts->clat_percentiles) {
802 len = calc_clat_percentiles(ts->io_u_plat[ddir],
803 ts->clat_stat[ddir].samples,
804 ts->percentile_list, &ovals, &maxv,
805 &minv);
806 } else
807 len = 0;
808
809 for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) {
810 if (i >= len) {
a666cab8 811 log_buf(out, ";0%%=0");
1db92cb6
JA
812 continue;
813 }
a666cab8 814 log_buf(out, ";%f%%=%u", ts->percentile_list[i].u.f, ovals[i]);
1db92cb6 815 }
2341a37a
K
816
817 if (calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev))
a666cab8 818 log_buf(out, ";%lu;%lu;%f;%f", min, max, mean, dev);
2341a37a 819 else
a666cab8 820 log_buf(out, ";%lu;%lu;%f;%f", 0UL, 0UL, 0.0, 0.0);
2341a37a 821
1db92cb6
JA
822 if (ovals)
823 free(ovals);
824
079ad09b 825 if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) {
19d3e967
JA
826 double p_of_agg = 100.0;
827
828 if (rs->agg[ddir]) {
829 p_of_agg = mean * 100 / (double) rs->agg[ddir];
830 if (p_of_agg > 100.0)
831 p_of_agg = 100.0;
832 }
c6ae0a5b 833
a666cab8 834 log_buf(out, ";%lu;%lu;%f%%;%f;%f", min, max, p_of_agg, mean, dev);
c6ae0a5b 835 } else
a666cab8 836 log_buf(out, ";%lu;%lu;%f%%;%f;%f", 0UL, 0UL, 0.0, 0.0, 0.0);
c6ae0a5b
JA
837}
838
cc372b17
SL
839static void add_ddir_status_json(struct thread_stat *ts,
840 struct group_run_stats *rs, int ddir, struct json_object *parent)
841{
842 unsigned long min, max;
9f68fe3a 843 unsigned long long bw;
cc372b17 844 unsigned int *ovals = NULL;
9f68fe3a 845 double mean, dev, iops;
cc372b17
SL
846 unsigned int len, minv, maxv;
847 int i;
848 const char *ddirname[] = {"read", "write", "trim"};
513e37ee 849 struct json_object *dir_object, *tmp_object, *percentile_object, *clat_bins_object;
cc372b17
SL
850 char buf[120];
851 double p_of_agg = 100.0;
852
853 assert(ddir_rw(ddir));
854
771e58be
JA
855 if (ts->unified_rw_rep && ddir != DDIR_READ)
856 return;
857
cc372b17 858 dir_object = json_create_object();
771e58be
JA
859 json_object_add_value_object(parent,
860 ts->unified_rw_rep ? "mixed" : ddirname[ddir], dir_object);
cc372b17 861
9f68fe3a
BE
862 bw = 0;
863 iops = 0.0;
cc372b17
SL
864 if (ts->runtime[ddir]) {
865 uint64_t runt = ts->runtime[ddir];
866
867 bw = ((1000 * ts->io_bytes[ddir]) / runt) / 1024;
9f68fe3a 868 iops = (1000.0 * (uint64_t) ts->total_io_u[ddir]) / runt;
cc372b17
SL
869 }
870
871 json_object_add_value_int(dir_object, "io_bytes", ts->io_bytes[ddir] >> 10);
872 json_object_add_value_int(dir_object, "bw", bw);
9f68fe3a 873 json_object_add_value_float(dir_object, "iops", iops);
cc372b17 874 json_object_add_value_int(dir_object, "runtime", ts->runtime[ddir]);
9966af7b
JA
875 json_object_add_value_int(dir_object, "total_ios", ts->total_io_u[ddir]);
876 json_object_add_value_int(dir_object, "short_ios", ts->short_io_u[ddir]);
877 json_object_add_value_int(dir_object, "drop_ios", ts->drop_io_u[ddir]);
cc372b17
SL
878
879 if (!calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev)) {
880 min = max = 0;
881 mean = dev = 0.0;
882 }
883 tmp_object = json_create_object();
884 json_object_add_value_object(dir_object, "slat", tmp_object);
885 json_object_add_value_int(tmp_object, "min", min);
886 json_object_add_value_int(tmp_object, "max", max);
887 json_object_add_value_float(tmp_object, "mean", mean);
888 json_object_add_value_float(tmp_object, "stddev", dev);
889
890 if (!calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev)) {
891 min = max = 0;
892 mean = dev = 0.0;
893 }
894 tmp_object = json_create_object();
895 json_object_add_value_object(dir_object, "clat", tmp_object);
896 json_object_add_value_int(tmp_object, "min", min);
897 json_object_add_value_int(tmp_object, "max", max);
898 json_object_add_value_float(tmp_object, "mean", mean);
899 json_object_add_value_float(tmp_object, "stddev", dev);
900
901 if (ts->clat_percentiles) {
902 len = calc_clat_percentiles(ts->io_u_plat[ddir],
903 ts->clat_stat[ddir].samples,
904 ts->percentile_list, &ovals, &maxv,
905 &minv);
906 } else
907 len = 0;
908
909 percentile_object = json_create_object();
910 json_object_add_value_object(tmp_object, "percentile", percentile_object);
911 for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) {
912 if (i >= len) {
913 json_object_add_value_int(percentile_object, "0.00", 0);
914 continue;
915 }
435d195a 916 snprintf(buf, sizeof(buf), "%f", ts->percentile_list[i].u.f);
cc372b17
SL
917 json_object_add_value_int(percentile_object, (const char *)buf, ovals[i]);
918 }
919
513e37ee
VF
920 if (output_format & FIO_OUTPUT_JSON_PLUS) {
921 clat_bins_object = json_create_object();
922 json_object_add_value_object(tmp_object, "bins", clat_bins_object);
923 for(i = 0; i < FIO_IO_U_PLAT_NR; i++) {
924 snprintf(buf, sizeof(buf), "%d", i);
925 json_object_add_value_int(clat_bins_object, (const char *)buf, ts->io_u_plat[ddir][i]);
926 }
927 json_object_add_value_int(clat_bins_object, "FIO_IO_U_PLAT_BITS", FIO_IO_U_PLAT_BITS);
928 json_object_add_value_int(clat_bins_object, "FIO_IO_U_PLAT_VAL", FIO_IO_U_PLAT_VAL);
929 json_object_add_value_int(clat_bins_object, "FIO_IO_U_PLAT_NR", FIO_IO_U_PLAT_NR);
930 }
931
cc372b17
SL
932 if (!calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev)) {
933 min = max = 0;
934 mean = dev = 0.0;
935 }
936 tmp_object = json_create_object();
937 json_object_add_value_object(dir_object, "lat", tmp_object);
938 json_object_add_value_int(tmp_object, "min", min);
939 json_object_add_value_int(tmp_object, "max", max);
940 json_object_add_value_float(tmp_object, "mean", mean);
941 json_object_add_value_float(tmp_object, "stddev", dev);
942 if (ovals)
943 free(ovals);
944
b9e1b491 945 if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) {
cc372b17
SL
946 if (rs->agg[ddir]) {
947 p_of_agg = mean * 100 / (double) rs->agg[ddir];
948 if (p_of_agg > 100.0)
949 p_of_agg = 100.0;
950 }
951 } else {
952 min = max = 0;
953 p_of_agg = mean = dev = 0.0;
954 }
955 json_object_add_value_int(dir_object, "bw_min", min);
956 json_object_add_value_int(dir_object, "bw_max", max);
a806bf2e 957 json_object_add_value_float(dir_object, "bw_agg", p_of_agg);
cc372b17
SL
958 json_object_add_value_float(dir_object, "bw_mean", mean);
959 json_object_add_value_float(dir_object, "bw_dev", dev);
960}
961
4d658652 962static void show_thread_status_terse_v2(struct thread_stat *ts,
a666cab8
JA
963 struct group_run_stats *rs,
964 struct buf_output *out)
4d658652
JA
965{
966 double io_u_dist[FIO_IO_U_MAP_NR];
967 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
968 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
969 double usr_cpu, sys_cpu;
970 int i;
971
972 /* General Info */
a666cab8 973 log_buf(out, "2;%s;%d;%d", ts->name, ts->groupid, ts->error);
4d658652 974 /* Log Read Status */
a666cab8 975 show_ddir_status_terse(ts, rs, DDIR_READ, out);
4d658652 976 /* Log Write Status */
a666cab8 977 show_ddir_status_terse(ts, rs, DDIR_WRITE, out);
6eaf09d6 978 /* Log Trim Status */
a666cab8 979 show_ddir_status_terse(ts, rs, DDIR_TRIM, out);
4d658652
JA
980
981 /* CPU Usage */
982 if (ts->total_run_time) {
983 double runt = (double) ts->total_run_time;
984
985 usr_cpu = (double) ts->usr_time * 100 / runt;
986 sys_cpu = (double) ts->sys_time * 100 / runt;
987 } else {
988 usr_cpu = 0;
989 sys_cpu = 0;
990 }
991
a666cab8 992 log_buf(out, ";%f%%;%f%%;%llu;%llu;%llu", usr_cpu, sys_cpu,
4e0a8fa2
JA
993 (unsigned long long) ts->ctx,
994 (unsigned long long) ts->majf,
995 (unsigned long long) ts->minf);
4d658652
JA
996
997 /* Calc % distribution of IO depths, usecond, msecond latency */
d79db122 998 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
4d658652
JA
999 stat_calc_lat_u(ts, io_u_lat_u);
1000 stat_calc_lat_m(ts, io_u_lat_m);
1001
1002 /* Only show fixed 7 I/O depth levels*/
a666cab8 1003 log_buf(out, ";%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%",
4d658652
JA
1004 io_u_dist[0], io_u_dist[1], io_u_dist[2], io_u_dist[3],
1005 io_u_dist[4], io_u_dist[5], io_u_dist[6]);
1006
1007 /* Microsecond latency */
1008 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++)
a666cab8 1009 log_buf(out, ";%3.2f%%", io_u_lat_u[i]);
4d658652
JA
1010 /* Millisecond latency */
1011 for (i = 0; i < FIO_IO_U_LAT_M_NR; i++)
a666cab8 1012 log_buf(out, ";%3.2f%%", io_u_lat_m[i]);
4d658652
JA
1013 /* Additional output if continue_on_error set - default off*/
1014 if (ts->continue_on_error)
a666cab8
JA
1015 log_buf(out, ";%llu;%d", (unsigned long long) ts->total_err_count, ts->first_error);
1016 log_buf(out, "\n");
4d658652
JA
1017
1018 /* Additional output if description is set */
0a3c52f0 1019 if (strlen(ts->description))
a666cab8 1020 log_buf(out, ";%s", ts->description);
4d658652 1021
a666cab8 1022 log_buf(out, "\n");
4d658652
JA
1023}
1024
3449ab8c 1025static void show_thread_status_terse_v3_v4(struct thread_stat *ts,
a666cab8
JA
1026 struct group_run_stats *rs, int ver,
1027 struct buf_output *out)
c6ae0a5b 1028{
2270890c 1029 double io_u_dist[FIO_IO_U_MAP_NR];
04a0feae
JA
1030 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
1031 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
c6ae0a5b 1032 double usr_cpu, sys_cpu;
04a0feae 1033 int i;
c6ae0a5b 1034
562c2d2f 1035 /* General Info */
a666cab8 1036 log_buf(out, "%d;%s;%s;%d;%d", ver, fio_version_string,
5e726d0a 1037 ts->name, ts->groupid, ts->error);
562c2d2f 1038 /* Log Read Status */
a666cab8 1039 show_ddir_status_terse(ts, rs, DDIR_READ, out);
562c2d2f 1040 /* Log Write Status */
a666cab8 1041 show_ddir_status_terse(ts, rs, DDIR_WRITE, out);
6eaf09d6 1042 /* Log Trim Status */
3449ab8c 1043 if (ver == 4)
a666cab8 1044 show_ddir_status_terse(ts, rs, DDIR_TRIM, out);
c6ae0a5b 1045
562c2d2f 1046 /* CPU Usage */
756867bd
JA
1047 if (ts->total_run_time) {
1048 double runt = (double) ts->total_run_time;
c6ae0a5b 1049
756867bd
JA
1050 usr_cpu = (double) ts->usr_time * 100 / runt;
1051 sys_cpu = (double) ts->sys_time * 100 / runt;
c6ae0a5b
JA
1052 } else {
1053 usr_cpu = 0;
1054 sys_cpu = 0;
1055 }
1056
a666cab8 1057 log_buf(out, ";%f%%;%f%%;%llu;%llu;%llu", usr_cpu, sys_cpu,
4e0a8fa2
JA
1058 (unsigned long long) ts->ctx,
1059 (unsigned long long) ts->majf,
1060 (unsigned long long) ts->minf);
2270890c 1061
562c2d2f 1062 /* Calc % distribution of IO depths, usecond, msecond latency */
d79db122 1063 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
04a0feae
JA
1064 stat_calc_lat_u(ts, io_u_lat_u);
1065 stat_calc_lat_m(ts, io_u_lat_m);
2270890c 1066
562c2d2f 1067 /* Only show fixed 7 I/O depth levels*/
a666cab8 1068 log_buf(out, ";%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%",
5ec10eaa
JA
1069 io_u_dist[0], io_u_dist[1], io_u_dist[2], io_u_dist[3],
1070 io_u_dist[4], io_u_dist[5], io_u_dist[6]);
2270890c 1071
562c2d2f 1072 /* Microsecond latency */
04a0feae 1073 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++)
a666cab8 1074 log_buf(out, ";%3.2f%%", io_u_lat_u[i]);
562c2d2f 1075 /* Millisecond latency */
04a0feae 1076 for (i = 0; i < FIO_IO_U_LAT_M_NR; i++)
a666cab8 1077 log_buf(out, ";%3.2f%%", io_u_lat_m[i]);
f2f788dd
JA
1078
1079 /* disk util stats, if any */
a666cab8 1080 show_disk_util(1, NULL, out);
f2f788dd 1081
562c2d2f 1082 /* Additional output if continue_on_error set - default off*/
f2bba182 1083 if (ts->continue_on_error)
a666cab8 1084 log_buf(out, ";%llu;%d", (unsigned long long) ts->total_err_count, ts->first_error);
2270890c 1085
562c2d2f 1086 /* Additional output if description is set */
4b0f2258 1087 if (strlen(ts->description))
a666cab8 1088 log_buf(out, ";%s", ts->description);
946e4276 1089
a666cab8 1090 log_buf(out, "\n");
756867bd
JA
1091}
1092
0279b880
JA
1093void json_add_job_opts(struct json_object *root, const char *name,
1094 struct flist_head *opt_list, bool num_jobs)
66e19a38
JA
1095{
1096 struct json_object *dir_object;
1097 struct flist_head *entry;
1098 struct print_option *p;
1099
1100 if (flist_empty(opt_list))
1101 return;
1102
1103 dir_object = json_create_object();
1104 json_object_add_value_object(root, name, dir_object);
1105
1106 flist_for_each(entry, opt_list) {
1107 const char *pos = "";
1108
1109 p = flist_entry(entry, struct print_option, list);
876e1001
JA
1110 if (!num_jobs && !strcmp(p->name, "numjobs"))
1111 continue;
66e19a38
JA
1112 if (p->value)
1113 pos = p->value;
1114 json_object_add_value_string(dir_object, p->name, pos);
1115 }
1116}
1117
cc372b17 1118static struct json_object *show_thread_status_json(struct thread_stat *ts,
66e19a38
JA
1119 struct group_run_stats *rs,
1120 struct flist_head *opt_list)
cc372b17
SL
1121{
1122 struct json_object *root, *tmp;
b01af66b 1123 struct jobs_eta *je;
cc372b17
SL
1124 double io_u_dist[FIO_IO_U_MAP_NR];
1125 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
1126 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
1127 double usr_cpu, sys_cpu;
1128 int i;
b01af66b
CJ
1129 size_t size;
1130
cc372b17
SL
1131 root = json_create_object();
1132 json_object_add_value_string(root, "jobname", ts->name);
1133 json_object_add_value_int(root, "groupid", ts->groupid);
1134 json_object_add_value_int(root, "error", ts->error);
1135
b01af66b 1136 /* ETA Info */
c5103619 1137 je = get_jobs_eta(true, &size);
2de615ad
JA
1138 if (je) {
1139 json_object_add_value_int(root, "eta", je->eta_sec);
1140 json_object_add_value_int(root, "elapsed", je->elapsed_sec);
1141 }
b01af66b 1142
66e19a38 1143 if (opt_list)
876e1001 1144 json_add_job_opts(root, "job options", opt_list, true);
66e19a38 1145
cc372b17
SL
1146 add_ddir_status_json(ts, rs, DDIR_READ, root);
1147 add_ddir_status_json(ts, rs, DDIR_WRITE, root);
f3afa57e 1148 add_ddir_status_json(ts, rs, DDIR_TRIM, root);
cc372b17
SL
1149
1150 /* CPU Usage */
1151 if (ts->total_run_time) {
1152 double runt = (double) ts->total_run_time;
1153
1154 usr_cpu = (double) ts->usr_time * 100 / runt;
1155 sys_cpu = (double) ts->sys_time * 100 / runt;
1156 } else {
1157 usr_cpu = 0;
1158 sys_cpu = 0;
1159 }
1160 json_object_add_value_float(root, "usr_cpu", usr_cpu);
1161 json_object_add_value_float(root, "sys_cpu", sys_cpu);
1162 json_object_add_value_int(root, "ctx", ts->ctx);
1163 json_object_add_value_int(root, "majf", ts->majf);
1164 json_object_add_value_int(root, "minf", ts->minf);
1165
1166
1167 /* Calc % distribution of IO depths, usecond, msecond latency */
d79db122 1168 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
cc372b17
SL
1169 stat_calc_lat_u(ts, io_u_lat_u);
1170 stat_calc_lat_m(ts, io_u_lat_m);
1171
1172 tmp = json_create_object();
1173 json_object_add_value_object(root, "iodepth_level", tmp);
1174 /* Only show fixed 7 I/O depth levels*/
1175 for (i = 0; i < 7; i++) {
1176 char name[20];
1177 if (i < 6)
98ffb8f3 1178 snprintf(name, 20, "%d", 1 << i);
cc372b17 1179 else
98ffb8f3 1180 snprintf(name, 20, ">=%d", 1 << i);
cc372b17
SL
1181 json_object_add_value_float(tmp, (const char *)name, io_u_dist[i]);
1182 }
1183
1184 tmp = json_create_object();
1185 json_object_add_value_object(root, "latency_us", tmp);
1186 /* Microsecond latency */
1187 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) {
1188 const char *ranges[] = { "2", "4", "10", "20", "50", "100",
1189 "250", "500", "750", "1000", };
1190 json_object_add_value_float(tmp, ranges[i], io_u_lat_u[i]);
1191 }
1192 /* Millisecond latency */
1193 tmp = json_create_object();
1194 json_object_add_value_object(root, "latency_ms", tmp);
1195 for (i = 0; i < FIO_IO_U_LAT_M_NR; i++) {
1196 const char *ranges[] = { "2", "4", "10", "20", "50", "100",
1197 "250", "500", "750", "1000", "2000",
1198 ">=2000", };
1199 json_object_add_value_float(tmp, ranges[i], io_u_lat_m[i]);
1200 }
1201
1202 /* Additional output if continue_on_error set - default off*/
1203 if (ts->continue_on_error) {
1204 json_object_add_value_int(root, "total_err", ts->total_err_count);
952b05e0 1205 json_object_add_value_int(root, "first_error", ts->first_error);
cc372b17
SL
1206 }
1207
3e260a46
JA
1208 if (ts->latency_depth) {
1209 json_object_add_value_int(root, "latency_depth", ts->latency_depth);
1210 json_object_add_value_int(root, "latency_target", ts->latency_target);
1211 json_object_add_value_float(root, "latency_percentile", ts->latency_percentile.u.f);
1212 json_object_add_value_int(root, "latency_window", ts->latency_window);
1213 }
1214
cc372b17
SL
1215 /* Additional output if description is set */
1216 if (strlen(ts->description))
1217 json_object_add_value_string(root, "desc", ts->description);
1218
66347cfa
DE
1219 if (ts->nr_block_infos) {
1220 /* Block error histogram and types */
1221 int len;
1222 unsigned int *percentiles = NULL;
1223 unsigned int block_state_counts[BLOCK_STATE_COUNT];
1224
1225 len = calc_block_percentiles(ts->nr_block_infos, ts->block_infos,
1226 ts->percentile_list,
1227 &percentiles, block_state_counts);
1228
1229 if (len) {
1230 struct json_object *block, *percentile_object, *states;
8a68c41c 1231 int state;
66347cfa
DE
1232 block = json_create_object();
1233 json_object_add_value_object(root, "block", block);
1234
1235 percentile_object = json_create_object();
1236 json_object_add_value_object(block, "percentiles",
1237 percentile_object);
1238 for (i = 0; i < len; i++) {
1239 char buf[20];
1240 snprintf(buf, sizeof(buf), "%f",
1241 ts->percentile_list[i].u.f);
1242 json_object_add_value_int(percentile_object,
1243 (const char *)buf,
1244 percentiles[i]);
1245 }
1246
1247 states = json_create_object();
1248 json_object_add_value_object(block, "states", states);
1249 for (state = 0; state < BLOCK_STATE_COUNT; state++) {
1250 json_object_add_value_int(states,
1251 block_state_names[state],
1252 block_state_counts[state]);
1253 }
1254 free(percentiles);
1255 }
1256 }
1257
3ce3881b 1258 /* steady state detection; move this behind json+? */
16e56d25 1259 if (ts->ss) {
ba8fb6f6
VF
1260 struct json_object *data;
1261 struct json_array *iops, *bw;
16e56d25 1262 struct steadystate_data *ss = ts->ss;
6da94b07
VF
1263 unsigned long long sum_iops, sum_bw;
1264 double mean_iops, mean_bw;
16e56d25 1265 int i, x;
6da94b07 1266 char ss_buf[64];
16e56d25 1267
6da94b07 1268 snprintf(ss_buf, sizeof(ss_buf), "%s%s:%f%s",
16e56d25
VF
1269 ss->check_iops ? "iops" : "bw",
1270 ss->check_slope ? "_slope" : "",
1271 (float) ss->limit,
1272 ss->pct ? "%" : "");
1273
1274 tmp = json_create_object();
1275 json_object_add_value_object(root, "steadystate", tmp);
6da94b07 1276 json_object_add_value_string(tmp, "ss", ss_buf);
16e56d25
VF
1277 json_object_add_value_int(tmp, "duration", (int)ss->dur);
1278 json_object_add_value_int(tmp, "steadystate_ramptime", ss->ramp_time / 1000000L);
1279 json_object_add_value_int(tmp, "attained", ss->attained);
6da94b07
VF
1280
1281 snprintf(ss_buf, sizeof(ss_buf), "%f%s", (float) ss->criterion, ss->pct ? "%" : "");
1282 json_object_add_value_string(tmp, "criterion", ss_buf);
ba8fb6f6
VF
1283 json_object_add_value_float(tmp, "max_deviation", ss->deviation);
1284 json_object_add_value_float(tmp, "slope", ss->slope);
1285
1286 data = json_create_object();
1287 json_object_add_value_object(tmp, "data", data);
1288 bw = json_create_array();
1289 iops = json_create_array();
6da94b07 1290 for (i = 0, sum_iops = 0, sum_bw = 0; i < ss->dur; i++) {
16e56d25 1291 x = (ss->head + i) % ss->dur;
6da94b07
VF
1292 sum_bw += ss->bw_data[x];
1293 sum_iops += ss->iops_data[x];
ba8fb6f6
VF
1294 json_array_add_value_int(bw, ss->bw_data[x]);
1295 json_array_add_value_int(iops, ss->iops_data[x]);
16e56d25 1296 }
6da94b07
VF
1297 mean_bw = (double) sum_bw / ss->dur;
1298 mean_iops = (double) sum_iops / ss->dur;
ba8fb6f6
VF
1299 json_object_add_value_float(data, "bw_mean", mean_bw);
1300 json_object_add_value_float(data, "iops_mean", mean_iops);
6da94b07
VF
1301 json_object_add_value_array(data, "iops", iops);
1302 json_object_add_value_array(data, "bw", bw);
16e56d25
VF
1303 }
1304
cc372b17
SL
1305 return root;
1306}
1307
4d658652 1308static void show_thread_status_terse(struct thread_stat *ts,
a666cab8
JA
1309 struct group_run_stats *rs,
1310 struct buf_output *out)
4d658652
JA
1311{
1312 if (terse_version == 2)
a666cab8 1313 show_thread_status_terse_v2(ts, rs, out);
3449ab8c 1314 else if (terse_version == 3 || terse_version == 4)
a666cab8 1315 show_thread_status_terse_v3_v4(ts, rs, terse_version, out);
4d658652
JA
1316 else
1317 log_err("fio: bad terse version!? %d\n", terse_version);
1318}
1319
952b05e0 1320struct json_object *show_thread_status(struct thread_stat *ts,
a666cab8 1321 struct group_run_stats *rs,
0279b880 1322 struct flist_head *opt_list,
a666cab8 1323 struct buf_output *out)
952b05e0 1324{
129fb2d4
JA
1325 struct json_object *ret = NULL;
1326
1327 if (output_format & FIO_OUTPUT_TERSE)
a666cab8 1328 show_thread_status_terse(ts, rs, out);
129fb2d4 1329 if (output_format & FIO_OUTPUT_JSON)
0279b880 1330 ret = show_thread_status_json(ts, rs, opt_list);
129fb2d4 1331 if (output_format & FIO_OUTPUT_NORMAL)
a666cab8 1332 show_thread_status_normal(ts, rs, out);
129fb2d4
JA
1333
1334 return ret;
952b05e0
CF
1335}
1336
fd595830 1337static void sum_stat(struct io_stat *dst, struct io_stat *src, bool first)
756867bd
JA
1338{
1339 double mean, S;
1340
e09231c2
ZL
1341 if (src->samples == 0)
1342 return;
1343
756867bd
JA
1344 dst->min_val = min(dst->min_val, src->min_val);
1345 dst->max_val = max(dst->max_val, src->max_val);
756867bd
JA
1346
1347 /*
cdcac5cf
YH
1348 * Compute new mean and S after the merge
1349 * <http://en.wikipedia.org/wiki/Algorithms_for_calculating_variance
1350 * #Parallel_algorithm>
756867bd 1351 */
fd595830 1352 if (first) {
802ad4a8
JA
1353 mean = src->mean.u.f;
1354 S = src->S.u.f;
756867bd 1355 } else {
802ad4a8 1356 double delta = src->mean.u.f - dst->mean.u.f;
cdcac5cf 1357
802ad4a8
JA
1358 mean = ((src->mean.u.f * src->samples) +
1359 (dst->mean.u.f * dst->samples)) /
cdcac5cf
YH
1360 (dst->samples + src->samples);
1361
802ad4a8 1362 S = src->S.u.f + dst->S.u.f + pow(delta, 2.0) *
cdcac5cf
YH
1363 (dst->samples * src->samples) /
1364 (dst->samples + src->samples);
756867bd
JA
1365 }
1366
cdcac5cf 1367 dst->samples += src->samples;
802ad4a8
JA
1368 dst->mean.u.f = mean;
1369 dst->S.u.f = S;
756867bd
JA
1370}
1371
37f0c1ae
JA
1372void sum_group_stats(struct group_run_stats *dst, struct group_run_stats *src)
1373{
1374 int i;
1375
6eaf09d6 1376 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
37f0c1ae
JA
1377 if (dst->max_run[i] < src->max_run[i])
1378 dst->max_run[i] = src->max_run[i];
1379 if (dst->min_run[i] && dst->min_run[i] > src->min_run[i])
1380 dst->min_run[i] = src->min_run[i];
1381 if (dst->max_bw[i] < src->max_bw[i])
1382 dst->max_bw[i] = src->max_bw[i];
1383 if (dst->min_bw[i] && dst->min_bw[i] > src->min_bw[i])
1384 dst->min_bw[i] = src->min_bw[i];
1385
1386 dst->io_kb[i] += src->io_kb[i];
1387 dst->agg[i] += src->agg[i];
1388 }
1389
dbae1bd6
JA
1390 if (!dst->kb_base)
1391 dst->kb_base = src->kb_base;
1392 if (!dst->unit_base)
1393 dst->unit_base = src->unit_base;
37f0c1ae
JA
1394}
1395
fd595830
JA
1396void sum_thread_stats(struct thread_stat *dst, struct thread_stat *src,
1397 bool first)
5b9babb7
JA
1398{
1399 int l, k;
1400
6eaf09d6 1401 for (l = 0; l < DDIR_RWDIR_CNT; l++) {
771e58be 1402 if (!dst->unified_rw_rep) {
fd595830
JA
1403 sum_stat(&dst->clat_stat[l], &src->clat_stat[l], first);
1404 sum_stat(&dst->slat_stat[l], &src->slat_stat[l], first);
1405 sum_stat(&dst->lat_stat[l], &src->lat_stat[l], first);
1406 sum_stat(&dst->bw_stat[l], &src->bw_stat[l], first);
771e58be
JA
1407
1408 dst->io_bytes[l] += src->io_bytes[l];
1409
1410 if (dst->runtime[l] < src->runtime[l])
1411 dst->runtime[l] = src->runtime[l];
1412 } else {
fd595830
JA
1413 sum_stat(&dst->clat_stat[0], &src->clat_stat[l], first);
1414 sum_stat(&dst->slat_stat[0], &src->slat_stat[l], first);
1415 sum_stat(&dst->lat_stat[0], &src->lat_stat[l], first);
1416 sum_stat(&dst->bw_stat[0], &src->bw_stat[l], first);
771e58be
JA
1417
1418 dst->io_bytes[0] += src->io_bytes[l];
1419
1420 if (dst->runtime[0] < src->runtime[l])
1421 dst->runtime[0] = src->runtime[l];
fd595830
JA
1422
1423 /*
1424 * We're summing to the same destination, so override
1425 * 'first' after the first iteration of the loop
1426 */
1427 first = false;
771e58be 1428 }
5b9babb7
JA
1429 }
1430
1431 dst->usr_time += src->usr_time;
1432 dst->sys_time += src->sys_time;
1433 dst->ctx += src->ctx;
1434 dst->majf += src->majf;
1435 dst->minf += src->minf;
1436
1437 for (k = 0; k < FIO_IO_U_MAP_NR; k++)
1438 dst->io_u_map[k] += src->io_u_map[k];
1439 for (k = 0; k < FIO_IO_U_MAP_NR; k++)
1440 dst->io_u_submit[k] += src->io_u_submit[k];
1441 for (k = 0; k < FIO_IO_U_MAP_NR; k++)
1442 dst->io_u_complete[k] += src->io_u_complete[k];
1443 for (k = 0; k < FIO_IO_U_LAT_U_NR; k++)
1444 dst->io_u_lat_u[k] += src->io_u_lat_u[k];
1445 for (k = 0; k < FIO_IO_U_LAT_M_NR; k++)
1446 dst->io_u_lat_m[k] += src->io_u_lat_m[k];
1447
6eaf09d6 1448 for (k = 0; k < DDIR_RWDIR_CNT; k++) {
771e58be
JA
1449 if (!dst->unified_rw_rep) {
1450 dst->total_io_u[k] += src->total_io_u[k];
1451 dst->short_io_u[k] += src->short_io_u[k];
3bcb9d94 1452 dst->drop_io_u[k] += src->drop_io_u[k];
771e58be
JA
1453 } else {
1454 dst->total_io_u[0] += src->total_io_u[k];
1455 dst->short_io_u[0] += src->short_io_u[k];
3bcb9d94 1456 dst->drop_io_u[0] += src->drop_io_u[k];
771e58be 1457 }
5b9babb7
JA
1458 }
1459
6eaf09d6 1460 for (k = 0; k < DDIR_RWDIR_CNT; k++) {
5b9babb7 1461 int m;
771e58be
JA
1462
1463 for (m = 0; m < FIO_IO_U_PLAT_NR; m++) {
1464 if (!dst->unified_rw_rep)
1465 dst->io_u_plat[k][m] += src->io_u_plat[k][m];
1466 else
1467 dst->io_u_plat[0][m] += src->io_u_plat[k][m];
1468 }
5b9babb7
JA
1469 }
1470
1471 dst->total_run_time += src->total_run_time;
1472 dst->total_submit += src->total_submit;
1473 dst->total_complete += src->total_complete;
1474}
1475
37f0c1ae
JA
1476void init_group_run_stat(struct group_run_stats *gs)
1477{
6eaf09d6 1478 int i;
37f0c1ae 1479 memset(gs, 0, sizeof(*gs));
6eaf09d6
SL
1480
1481 for (i = 0; i < DDIR_RWDIR_CNT; i++)
1482 gs->min_bw[i] = gs->min_run[i] = ~0UL;
37f0c1ae
JA
1483}
1484
1485void init_thread_stat(struct thread_stat *ts)
1486{
1487 int j;
1488
1489 memset(ts, 0, sizeof(*ts));
1490
6eaf09d6 1491 for (j = 0; j < DDIR_RWDIR_CNT; j++) {
37f0c1ae
JA
1492 ts->lat_stat[j].min_val = -1UL;
1493 ts->clat_stat[j].min_val = -1UL;
1494 ts->slat_stat[j].min_val = -1UL;
1495 ts->bw_stat[j].min_val = -1UL;
1496 }
1497 ts->groupid = -1;
1498}
1499
83f7b64e 1500void __show_run_stats(void)
3c39a379
JA
1501{
1502 struct group_run_stats *runstats, *rs;
1503 struct thread_data *td;
756867bd 1504 struct thread_stat *threadstats, *ts;
4da24b69 1505 int i, j, k, nr_ts, last_ts, idx;
90fef2d1 1506 int kb_base_warned = 0;
ad705bcb 1507 int unit_base_warned = 0;
cc372b17
SL
1508 struct json_object *root = NULL;
1509 struct json_array *array = NULL;
a666cab8 1510 struct buf_output output[FIO_OUTPUT_NR];
66e19a38 1511 struct flist_head **opt_lists;
a666cab8 1512
3c39a379
JA
1513 runstats = malloc(sizeof(struct group_run_stats) * (groupid + 1));
1514
37f0c1ae
JA
1515 for (i = 0; i < groupid + 1; i++)
1516 init_group_run_stat(&runstats[i]);
3c39a379 1517
756867bd
JA
1518 /*
1519 * find out how many threads stats we need. if group reporting isn't
1520 * enabled, it's one-per-td.
1521 */
1522 nr_ts = 0;
1523 last_ts = -1;
1524 for_each_td(td, i) {
2dc1bbeb 1525 if (!td->o.group_reporting) {
756867bd
JA
1526 nr_ts++;
1527 continue;
1528 }
1529 if (last_ts == td->groupid)
1530 continue;
1531
1532 last_ts = td->groupid;
1533 nr_ts++;
1534 }
1535
1536 threadstats = malloc(nr_ts * sizeof(struct thread_stat));
66e19a38 1537 opt_lists = malloc(nr_ts * sizeof(struct flist_head *));
756867bd 1538
66e19a38 1539 for (i = 0; i < nr_ts; i++) {
37f0c1ae 1540 init_thread_stat(&threadstats[i]);
66e19a38
JA
1541 opt_lists[i] = NULL;
1542 }
756867bd
JA
1543
1544 j = 0;
1545 last_ts = -1;
197574e4 1546 idx = 0;
34572e28 1547 for_each_td(td, i) {
2dc1bbeb
JA
1548 if (idx && (!td->o.group_reporting ||
1549 (td->o.group_reporting && last_ts != td->groupid))) {
7abd0e3a
JA
1550 idx = 0;
1551 j++;
1552 }
1553
1554 last_ts = td->groupid;
1555
756867bd
JA
1556 ts = &threadstats[j];
1557
83349190 1558 ts->clat_percentiles = td->o.clat_percentiles;
435d195a 1559 ts->percentile_precision = td->o.percentile_precision;
fd112d34 1560 memcpy(ts->percentile_list, td->o.percentile_list, sizeof(td->o.percentile_list));
66e19a38 1561 opt_lists[j] = &td->opt_list;
83349190 1562
197574e4 1563 idx++;
6586ee89 1564 ts->members++;
756867bd 1565
7abd0e3a 1566 if (ts->groupid == -1) {
2dc84ba7
JA
1567 /*
1568 * These are per-group shared already
1569 */
4e59d0f3 1570 strncpy(ts->name, td->o.name, FIO_JOBNAME_SIZE - 1);
a64e88da
JA
1571 if (td->o.description)
1572 strncpy(ts->description, td->o.description,
4e59d0f3 1573 FIO_JOBDESC_SIZE - 1);
a64e88da 1574 else
4e59d0f3 1575 memset(ts->description, 0, FIO_JOBDESC_SIZE);
a64e88da 1576
2f122b13
JA
1577 /*
1578 * If multiple entries in this group, this is
1579 * the first member.
1580 */
1581 ts->thread_number = td->thread_number;
756867bd 1582 ts->groupid = td->groupid;
2dc84ba7
JA
1583
1584 /*
1585 * first pid in group, not very useful...
1586 */
756867bd 1587 ts->pid = td->pid;
90fef2d1
JA
1588
1589 ts->kb_base = td->o.kb_base;
ad705bcb 1590 ts->unit_base = td->o.unit_base;
771e58be 1591 ts->unified_rw_rep = td->o.unified_rw_rep;
90fef2d1
JA
1592 } else if (ts->kb_base != td->o.kb_base && !kb_base_warned) {
1593 log_info("fio: kb_base differs for jobs in group, using"
1594 " %u as the base\n", ts->kb_base);
1595 kb_base_warned = 1;
ad705bcb
SN
1596 } else if (ts->unit_base != td->o.unit_base && !unit_base_warned) {
1597 log_info("fio: unit_base differs for jobs in group, using"
1598 " %u as the base\n", ts->unit_base);
1599 unit_base_warned = 1;
2dc84ba7
JA
1600 }
1601
f2bba182
RR
1602 ts->continue_on_error = td->o.continue_on_error;
1603 ts->total_err_count += td->total_err_count;
1604 ts->first_error = td->first_error;
1605 if (!ts->error) {
1606 if (!td->error && td->o.continue_on_error &&
1607 td->first_error) {
1608 ts->error = td->first_error;
3660ceae
JA
1609 ts->verror[sizeof(ts->verror) - 1] = '\0';
1610 strncpy(ts->verror, td->verror, sizeof(ts->verror) - 1);
f2bba182
RR
1611 } else if (td->error) {
1612 ts->error = td->error;
3660ceae
JA
1613 ts->verror[sizeof(ts->verror) - 1] = '\0';
1614 strncpy(ts->verror, td->verror, sizeof(ts->verror) - 1);
f2bba182 1615 }
756867bd
JA
1616 }
1617
3e260a46
JA
1618 ts->latency_depth = td->latency_qd;
1619 ts->latency_target = td->o.latency_target;
1620 ts->latency_percentile = td->o.latency_percentile;
1621 ts->latency_window = td->o.latency_window;
1622
0e4dd95c 1623 ts->nr_block_infos = td->ts.nr_block_infos;
4da24b69
JA
1624 for (k = 0; k < ts->nr_block_infos; k++)
1625 ts->block_infos[k] = td->ts.block_infos[k];
0e4dd95c 1626
fd595830 1627 sum_thread_stats(ts, &td->ts, idx == 1);
16e56d25
VF
1628
1629 if (td->o.ss_dur)
1630 ts->ss = &td->ss;
1631 else
1632 ts->ss = NULL;
756867bd
JA
1633 }
1634
1635 for (i = 0; i < nr_ts; i++) {
94370ac4 1636 unsigned long long bw;
3c39a379 1637
756867bd 1638 ts = &threadstats[i];
dedb88eb
JA
1639 if (ts->groupid == -1)
1640 continue;
756867bd 1641 rs = &runstats[ts->groupid];
90fef2d1 1642 rs->kb_base = ts->kb_base;
ad705bcb 1643 rs->unit_base = ts->unit_base;
771e58be 1644 rs->unified_rw_rep += ts->unified_rw_rep;
3c39a379 1645
6eaf09d6 1646 for (j = 0; j < DDIR_RWDIR_CNT; j++) {
94370ac4
JA
1647 if (!ts->runtime[j])
1648 continue;
1649 if (ts->runtime[j] < rs->min_run[j] || !rs->min_run[j])
1650 rs->min_run[j] = ts->runtime[j];
1651 if (ts->runtime[j] > rs->max_run[j])
1652 rs->max_run[j] = ts->runtime[j];
1653
1654 bw = 0;
8879fd15 1655 if (ts->runtime[j]) {
c857cfeb
JA
1656 unsigned long runt = ts->runtime[j];
1657 unsigned long long kb;
8879fd15 1658
c857cfeb
JA
1659 kb = ts->io_bytes[j] / rs->kb_base;
1660 bw = kb * 1000 / runt;
8879fd15 1661 }
94370ac4
JA
1662 if (bw < rs->min_bw[j])
1663 rs->min_bw[j] = bw;
1664 if (bw > rs->max_bw[j])
1665 rs->max_bw[j] = bw;
1666
90fef2d1 1667 rs->io_kb[j] += ts->io_bytes[j] / rs->kb_base;
94370ac4 1668 }
3c39a379
JA
1669 }
1670
1671 for (i = 0; i < groupid + 1; i++) {
6eaf09d6
SL
1672 int ddir;
1673
3c39a379
JA
1674 rs = &runstats[i];
1675
6eaf09d6
SL
1676 for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++) {
1677 if (rs->max_run[ddir])
1678 rs->agg[ddir] = (rs->io_kb[ddir] * 1000) /
1679 rs->max_run[ddir];
1680 }
3c39a379
JA
1681 }
1682
a666cab8 1683 for (i = 0; i < FIO_OUTPUT_NR; i++)
e250c0a9 1684 buf_output_init(&output[i]);
a666cab8 1685
3c39a379
JA
1686 /*
1687 * don't overwrite last signal output
1688 */
129fb2d4 1689 if (output_format & FIO_OUTPUT_NORMAL)
a666cab8 1690 log_buf(&output[__FIO_OUTPUT_NORMAL], "\n");
129fb2d4 1691 if (output_format & FIO_OUTPUT_JSON) {
66e19a38 1692 struct thread_data *global;
35326842 1693 char time_buf[32];
aa7d2ef0
RH
1694 struct timeval now;
1695 unsigned long long ms_since_epoch;
91e53870 1696
aa7d2ef0
RH
1697 gettimeofday(&now, NULL);
1698 ms_since_epoch = (unsigned long long)(now.tv_sec) * 1000 +
1699 (unsigned long long)(now.tv_usec) / 1000;
1700
1701 os_ctime_r((const time_t *) &now.tv_sec, time_buf,
91e53870
SO
1702 sizeof(time_buf));
1703 time_buf[strlen(time_buf) - 1] = '\0';
1704
cc372b17
SL
1705 root = json_create_object();
1706 json_object_add_value_string(root, "fio version", fio_version_string);
aa7d2ef0
RH
1707 json_object_add_value_int(root, "timestamp", now.tv_sec);
1708 json_object_add_value_int(root, "timestamp_ms", ms_since_epoch);
91e53870 1709 json_object_add_value_string(root, "time", time_buf);
66e19a38 1710 global = get_global_options();
876e1001 1711 json_add_job_opts(root, "global options", &global->opt_list, false);
cc372b17
SL
1712 array = json_create_array();
1713 json_object_add_value_array(root, "jobs", array);
1714 }
3c39a379 1715
0279b880
JA
1716 if (is_backend)
1717 fio_server_send_job_options(&get_global_options()->opt_list, -1U);
1718
756867bd
JA
1719 for (i = 0; i < nr_ts; i++) {
1720 ts = &threadstats[i];
1721 rs = &runstats[ts->groupid];
3c39a379 1722
0279b880
JA
1723 if (is_backend) {
1724 fio_server_send_job_options(opt_lists[i], i);
a64e88da 1725 fio_server_send_ts(ts, rs);
0279b880 1726 } else {
129fb2d4 1727 if (output_format & FIO_OUTPUT_TERSE)
a666cab8 1728 show_thread_status_terse(ts, rs, &output[__FIO_OUTPUT_TERSE]);
129fb2d4 1729 if (output_format & FIO_OUTPUT_JSON) {
66e19a38 1730 struct json_object *tmp = show_thread_status_json(ts, rs, opt_lists[i]);
129fb2d4
JA
1731 json_array_add_value_object(array, tmp);
1732 }
1733 if (output_format & FIO_OUTPUT_NORMAL)
a666cab8 1734 show_thread_status_normal(ts, rs, &output[__FIO_OUTPUT_NORMAL]);
129fb2d4 1735 }
3c39a379 1736 }
ab34ddd1 1737 if (!is_backend && (output_format & FIO_OUTPUT_JSON)) {
cc372b17 1738 /* disk util stats, if any */
a666cab8 1739 show_disk_util(1, root, &output[__FIO_OUTPUT_JSON]);
cc372b17 1740
a666cab8 1741 show_idle_prof_stats(FIO_OUTPUT_JSON, root, &output[__FIO_OUTPUT_JSON]);
f2a2ce0e 1742
a666cab8
JA
1743 json_print_object(root, &output[__FIO_OUTPUT_JSON]);
1744 log_buf(&output[__FIO_OUTPUT_JSON], "\n");
cc372b17
SL
1745 json_free_object(root);
1746 }
3c39a379 1747
72c27ff8
JA
1748 for (i = 0; i < groupid + 1; i++) {
1749 rs = &runstats[i];
3c39a379 1750
72c27ff8 1751 rs->groupid = i;
d09a64a0 1752 if (is_backend)
72c27ff8 1753 fio_server_send_gs(rs);
129fb2d4 1754 else if (output_format & FIO_OUTPUT_NORMAL)
a666cab8 1755 show_group_stats(rs, &output[__FIO_OUTPUT_NORMAL]);
c6ae0a5b 1756 }
eecf272f 1757
72c27ff8
JA
1758 if (is_backend)
1759 fio_server_send_du();
129fb2d4 1760 else if (output_format & FIO_OUTPUT_NORMAL) {
a666cab8
JA
1761 show_disk_util(0, NULL, &output[__FIO_OUTPUT_NORMAL]);
1762 show_idle_prof_stats(FIO_OUTPUT_NORMAL, NULL, &output[__FIO_OUTPUT_NORMAL]);
60904003 1763 }
f2a2ce0e 1764
3d57c0e9 1765 for (i = 0; i < FIO_OUTPUT_NR; i++) {
a666cab8 1766 buf_output_flush(&output[i]);
3d57c0e9
JA
1767 buf_output_free(&output[i]);
1768 }
2b8c71b0 1769
fdd5f15f 1770 log_info_flush();
eecf272f 1771 free(runstats);
756867bd 1772 free(threadstats);
66e19a38 1773 free(opt_lists);
3c39a379
JA
1774}
1775
cef9175e
JA
1776void show_run_stats(void)
1777{
1778 fio_mutex_down(stat_mutex);
1779 __show_run_stats();
1780 fio_mutex_up(stat_mutex);
1781}
1782
5ddc6707 1783void __show_running_run_stats(void)
b852e7cf
JA
1784{
1785 struct thread_data *td;
1786 unsigned long long *rt;
1787 struct timeval tv;
1788 int i;
1789
90811930
JA
1790 fio_mutex_down(stat_mutex);
1791
b852e7cf
JA
1792 rt = malloc(thread_number * sizeof(unsigned long long));
1793 fio_gettime(&tv, NULL);
1794
1795 for_each_td(td, i) {
c97f1ad6 1796 td->update_rusage = 1;
6eaf09d6
SL
1797 td->ts.io_bytes[DDIR_READ] = td->io_bytes[DDIR_READ];
1798 td->ts.io_bytes[DDIR_WRITE] = td->io_bytes[DDIR_WRITE];
1799 td->ts.io_bytes[DDIR_TRIM] = td->io_bytes[DDIR_TRIM];
b852e7cf 1800 td->ts.total_run_time = mtime_since(&td->epoch, &tv);
6c041a88 1801
1802 rt[i] = mtime_since(&td->start, &tv);
1803 if (td_read(td) && td->ts.io_bytes[DDIR_READ])
1804 td->ts.runtime[DDIR_READ] += rt[i];
1805 if (td_write(td) && td->ts.io_bytes[DDIR_WRITE])
1806 td->ts.runtime[DDIR_WRITE] += rt[i];
1807 if (td_trim(td) && td->ts.io_bytes[DDIR_TRIM])
1808 td->ts.runtime[DDIR_TRIM] += rt[i];
b852e7cf
JA
1809 }
1810
c97f1ad6 1811 for_each_td(td, i) {
fda2cfac
JA
1812 if (td->runstate >= TD_EXITED)
1813 continue;
c97f1ad6
JA
1814 if (td->rusage_sem) {
1815 td->update_rusage = 1;
1816 fio_mutex_down(td->rusage_sem);
1817 }
1818 td->update_rusage = 0;
1819 }
1820
cef9175e 1821 __show_run_stats();
b852e7cf
JA
1822
1823 for_each_td(td, i) {
6c041a88 1824 if (td_read(td) && td->ts.io_bytes[DDIR_READ])
b852e7cf 1825 td->ts.runtime[DDIR_READ] -= rt[i];
6c041a88 1826 if (td_write(td) && td->ts.io_bytes[DDIR_WRITE])
b852e7cf 1827 td->ts.runtime[DDIR_WRITE] -= rt[i];
6c041a88 1828 if (td_trim(td) && td->ts.io_bytes[DDIR_TRIM])
6eaf09d6 1829 td->ts.runtime[DDIR_TRIM] -= rt[i];
b852e7cf
JA
1830 }
1831
1832 free(rt);
cef9175e 1833 fio_mutex_up(stat_mutex);
b852e7cf
JA
1834}
1835
06464907
JA
1836static int status_interval_init;
1837static struct timeval status_time;
77d99675 1838static int status_file_disabled;
06464907 1839
dac45f23 1840#define FIO_STATUS_FILE "fio-dump-status"
06464907
JA
1841
1842static int check_status_file(void)
1843{
1844 struct stat sb;
a0bafb7d
BC
1845 const char *temp_dir;
1846 char fio_status_file_path[PATH_MAX];
06464907 1847
77d99675
JA
1848 if (status_file_disabled)
1849 return 0;
1850
a0bafb7d 1851 temp_dir = getenv("TMPDIR");
48b16e27 1852 if (temp_dir == NULL) {
a0bafb7d 1853 temp_dir = getenv("TEMP");
48b16e27
JA
1854 if (temp_dir && strlen(temp_dir) >= PATH_MAX)
1855 temp_dir = NULL;
1856 }
a0bafb7d
BC
1857 if (temp_dir == NULL)
1858 temp_dir = "/tmp";
1859
1860 snprintf(fio_status_file_path, sizeof(fio_status_file_path), "%s/%s", temp_dir, FIO_STATUS_FILE);
1861
1862 if (stat(fio_status_file_path, &sb))
06464907
JA
1863 return 0;
1864
77d99675
JA
1865 if (unlink(fio_status_file_path) < 0) {
1866 log_err("fio: failed to unlink %s: %s\n", fio_status_file_path,
1867 strerror(errno));
1868 log_err("fio: disabling status file updates\n");
1869 status_file_disabled = 1;
1870 }
1871
06464907
JA
1872 return 1;
1873}
1874
1875void check_for_running_stats(void)
1876{
1877 if (status_interval) {
1878 if (!status_interval_init) {
1879 fio_gettime(&status_time, NULL);
1880 status_interval_init = 1;
1881 } else if (mtime_since_now(&status_time) >= status_interval) {
1882 show_running_run_stats();
1883 fio_gettime(&status_time, NULL);
1884 return;
1885 }
1886 }
1887 if (check_status_file()) {
1888 show_running_run_stats();
1889 return;
1890 }
1891}
1892
68704084 1893static inline void add_stat_sample(struct io_stat *is, unsigned long data)
3c39a379 1894{
68704084 1895 double val = data;
6660cc67 1896 double delta;
68704084
JA
1897
1898 if (data > is->max_val)
1899 is->max_val = data;
1900 if (data < is->min_val)
1901 is->min_val = data;
1902
802ad4a8 1903 delta = val - is->mean.u.f;
ef11d737 1904 if (delta) {
802ad4a8
JA
1905 is->mean.u.f += delta / (is->samples + 1.0);
1906 is->S.u.f += delta * (val - is->mean.u.f);
ef11d737 1907 }
3c39a379 1908
3c39a379
JA
1909 is->samples++;
1910}
1911
7e419452
JA
1912/*
1913 * Return a struct io_logs, which is added to the tail of the log
1914 * list for 'iolog'.
1915 */
1916static struct io_logs *get_new_log(struct io_log *iolog)
1917{
1918 size_t new_size, new_samples;
1919 struct io_logs *cur_log;
1920
1921 /*
1922 * Cap the size at MAX_LOG_ENTRIES, so we don't keep doubling
1923 * forever
1924 */
1925 if (!iolog->cur_log_max)
1926 new_samples = DEF_LOG_ENTRIES;
1927 else {
1928 new_samples = iolog->cur_log_max * 2;
1929 if (new_samples > MAX_LOG_ENTRIES)
1930 new_samples = MAX_LOG_ENTRIES;
1931 }
1932
7e419452 1933 new_size = new_samples * log_entry_sz(iolog);
7e419452 1934
90d2d53f 1935 cur_log = smalloc(sizeof(*cur_log));
7e419452
JA
1936 if (cur_log) {
1937 INIT_FLIST_HEAD(&cur_log->list);
1938 cur_log->log = malloc(new_size);
1939 if (cur_log->log) {
1940 cur_log->nr_samples = 0;
1941 cur_log->max_samples = new_samples;
1942 flist_add_tail(&cur_log->list, &iolog->io_logs);
1943 iolog->cur_log_max = new_samples;
1944 return cur_log;
1945 }
90d2d53f 1946 sfree(cur_log);
7e419452
JA
1947 }
1948
1949 return NULL;
1950}
1951
1fed2080
JA
1952/*
1953 * Add and return a new log chunk, or return current log if big enough
1954 */
1955static struct io_logs *regrow_log(struct io_log *iolog)
7e419452
JA
1956{
1957 struct io_logs *cur_log;
1fed2080 1958 int i;
7e419452 1959
1fed2080 1960 if (!iolog || iolog->disabled)
2ab71dc4 1961 goto disable;
7e419452 1962
1fed2080 1963 cur_log = iolog_cur_log(iolog);
a9afa45a
JA
1964 if (!cur_log) {
1965 cur_log = get_new_log(iolog);
1966 if (!cur_log)
1967 return NULL;
1968 }
1969
7e419452
JA
1970 if (cur_log->nr_samples < cur_log->max_samples)
1971 return cur_log;
1972
1973 /*
1974 * No room for a new sample. If we're compressing on the fly, flush
1975 * out the current chunk
1976 */
1977 if (iolog->log_gz) {
1978 if (iolog_cur_flush(iolog, cur_log)) {
1979 log_err("fio: failed flushing iolog! Will stop logging.\n");
1980 return NULL;
1981 }
1982 }
1983
1984 /*
1985 * Get a new log array, and add to our list
1986 */
1987 cur_log = get_new_log(iolog);
1fed2080
JA
1988 if (!cur_log) {
1989 log_err("fio: failed extending iolog! Will stop logging.\n");
1990 return NULL;
1991 }
1992
1993 if (!iolog->pending || !iolog->pending->nr_samples)
80a24ba9 1994 return cur_log;
7e419452 1995
1fed2080
JA
1996 /*
1997 * Flush pending items to new log
1998 */
1999 for (i = 0; i < iolog->pending->nr_samples; i++) {
2000 struct io_sample *src, *dst;
2001
2002 src = get_sample(iolog, iolog->pending, i);
2003 dst = get_sample(iolog, cur_log, i);
2004 memcpy(dst, src, log_entry_sz(iolog));
2005 }
0b2eef49 2006 cur_log->nr_samples = iolog->pending->nr_samples;
1fed2080
JA
2007
2008 iolog->pending->nr_samples = 0;
2009 return cur_log;
2ab71dc4
JA
2010disable:
2011 if (iolog)
2012 iolog->disabled = true;
2013 return NULL;
1fed2080
JA
2014}
2015
2016void regrow_logs(struct thread_data *td)
2017{
2ab71dc4
JA
2018 regrow_log(td->slat_log);
2019 regrow_log(td->clat_log);
1e613c9c 2020 regrow_log(td->clat_hist_log);
2ab71dc4
JA
2021 regrow_log(td->lat_log);
2022 regrow_log(td->bw_log);
2023 regrow_log(td->iops_log);
1fed2080
JA
2024 td->flags &= ~TD_F_REGROW_LOGS;
2025}
2026
2027static struct io_logs *get_cur_log(struct io_log *iolog)
2028{
2029 struct io_logs *cur_log;
2030
2031 cur_log = iolog_cur_log(iolog);
2032 if (!cur_log) {
2033 cur_log = get_new_log(iolog);
2034 if (!cur_log)
2035 return NULL;
2036 }
2037
2038 if (cur_log->nr_samples < cur_log->max_samples)
2039 return cur_log;
2040
2041 /*
1eb467fb
JA
2042 * Out of space. If we're in IO offload mode, or we're not doing
2043 * per unit logging (hence logging happens outside of the IO thread
2044 * as well), add a new log chunk inline. If we're doing inline
2045 * submissions, flag 'td' as needing a log regrow and we'll take
2046 * care of it on the submission side.
1fed2080 2047 */
1eb467fb
JA
2048 if (iolog->td->o.io_submit_mode == IO_MODE_OFFLOAD ||
2049 !per_unit_log(iolog))
1fed2080
JA
2050 return regrow_log(iolog);
2051
2052 iolog->td->flags |= TD_F_REGROW_LOGS;
2053 assert(iolog->pending->nr_samples < iolog->pending->max_samples);
2054 return iolog->pending;
7e419452
JA
2055}
2056
bb3884d8 2057static void __add_log_sample(struct io_log *iolog, unsigned long val,
306ddc97 2058 enum fio_ddir ddir, unsigned int bs,
ae588852 2059 unsigned long t, uint64_t offset)
3c39a379 2060{
7e419452 2061 struct io_logs *cur_log;
306ddc97 2062
3c568239
JA
2063 if (iolog->disabled)
2064 return;
7e419452 2065 if (flist_empty(&iolog->io_logs))
b8bc8cba
JA
2066 iolog->avg_last = t;
2067
7e419452
JA
2068 cur_log = get_cur_log(iolog);
2069 if (cur_log) {
2070 struct io_sample *s;
3c39a379 2071
7e419452 2072 s = get_sample(iolog, cur_log, cur_log->nr_samples);
3c39a379 2073
7e419452
JA
2074 s->val = val;
2075 s->time = t;
2076 io_sample_set_ddir(iolog, s, ddir);
2077 s->bs = bs;
ae588852 2078
7e419452
JA
2079 if (iolog->log_offset) {
2080 struct io_sample_offset *so = (void *) s;
ae588852 2081
7e419452
JA
2082 so->offset = offset;
2083 }
ae588852 2084
7e419452
JA
2085 cur_log->nr_samples++;
2086 return;
ae588852
JA
2087 }
2088
7e419452 2089 iolog->disabled = true;
3c39a379
JA
2090}
2091
7fb28d36
JA
2092static inline void reset_io_stat(struct io_stat *ios)
2093{
2094 ios->max_val = ios->min_val = ios->samples = 0;
2095 ios->mean.u.f = ios->S.u.f = 0;
2096}
2097
6bb58215
JA
2098void reset_io_stats(struct thread_data *td)
2099{
2100 struct thread_stat *ts = &td->ts;
2101 int i, j;
2102
2103 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
2104 reset_io_stat(&ts->clat_stat[i]);
2105 reset_io_stat(&ts->slat_stat[i]);
2106 reset_io_stat(&ts->lat_stat[i]);
2107 reset_io_stat(&ts->bw_stat[i]);
2108 reset_io_stat(&ts->iops_stat[i]);
2109
2110 ts->io_bytes[i] = 0;
2111 ts->runtime[i] = 0;
2112
2113 for (j = 0; j < FIO_IO_U_PLAT_NR; j++)
2114 ts->io_u_plat[i][j] = 0;
2115 }
2116
2117 for (i = 0; i < FIO_IO_U_MAP_NR; i++) {
2118 ts->io_u_map[i] = 0;
2119 ts->io_u_submit[i] = 0;
2120 ts->io_u_complete[i] = 0;
2121 ts->io_u_lat_u[i] = 0;
2122 ts->io_u_lat_m[i] = 0;
2123 ts->total_submit = 0;
2124 ts->total_complete = 0;
2125 }
2126
2127 for (i = 0; i < 3; i++) {
2128 ts->total_io_u[i] = 0;
2129 ts->short_io_u[i] = 0;
3bcb9d94 2130 ts->drop_io_u[i] = 0;
6bb58215
JA
2131 }
2132}
2133
d96d3bb3 2134static void __add_stat_to_log(struct io_log *iolog, enum fio_ddir ddir,
e6989e10 2135 unsigned long elapsed, bool log_max)
99007068
PO
2136{
2137 /*
2138 * Note an entry in the log. Use the mean from the logged samples,
2139 * making sure to properly round up. Only write a log entry if we
2140 * had actual samples done.
2141 */
d96d3bb3
JA
2142 if (iolog->avg_window[ddir].samples) {
2143 unsigned long val;
99007068 2144
e6989e10
JA
2145 if (log_max)
2146 val = iolog->avg_window[ddir].max_val;
2147 else
2148 val = iolog->avg_window[ddir].mean.u.f + 0.50;
2149
d96d3bb3 2150 __add_log_sample(iolog, val, ddir, 0, elapsed, 0);
99007068 2151 }
99007068 2152
d96d3bb3
JA
2153 reset_io_stat(&iolog->avg_window[ddir]);
2154}
99007068 2155
e6989e10
JA
2156static void _add_stat_to_log(struct io_log *iolog, unsigned long elapsed,
2157 bool log_max)
d96d3bb3
JA
2158{
2159 int ddir;
99007068 2160
d96d3bb3 2161 for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++)
e6989e10 2162 __add_stat_to_log(iolog, ddir, elapsed, log_max);
99007068
PO
2163}
2164
d454a205 2165static long add_log_sample(struct thread_data *td, struct io_log *iolog,
306ddc97 2166 unsigned long val, enum fio_ddir ddir,
ae588852 2167 unsigned int bs, uint64_t offset)
bb3884d8 2168{
7fb28d36 2169 unsigned long elapsed, this_window;
b8bc8cba 2170
ff58fced 2171 if (!ddir_rw(ddir))
d454a205 2172 return 0;
ff58fced 2173
b8bc8cba
JA
2174 elapsed = mtime_since_now(&td->epoch);
2175
2176 /*
2177 * If no time averaging, just add the log sample.
2178 */
2179 if (!iolog->avg_msec) {
ae588852 2180 __add_log_sample(iolog, val, ddir, bs, elapsed, offset);
d454a205 2181 return 0;
b8bc8cba
JA
2182 }
2183
2184 /*
2185 * Add the sample. If the time period has passed, then
2186 * add that entry to the log and clear.
2187 */
2188 add_stat_sample(&iolog->avg_window[ddir], val);
2189
7fb28d36
JA
2190 /*
2191 * If period hasn't passed, adding the above sample is all we
2192 * need to do.
2193 */
b8bc8cba 2194 this_window = elapsed - iolog->avg_last;
f5a568cf
JA
2195 if (elapsed < iolog->avg_last)
2196 return iolog->avg_last - elapsed;
2197 else if (this_window < iolog->avg_msec) {
d454a205
JA
2198 int diff = iolog->avg_msec - this_window;
2199
b392f36d 2200 if (inline_log(iolog) || diff > LOG_MSEC_SLACK)
d454a205
JA
2201 return diff;
2202 }
b8bc8cba 2203
e6989e10 2204 _add_stat_to_log(iolog, elapsed, td->o.log_max != 0);
b8bc8cba 2205
c16556af 2206 iolog->avg_last = elapsed - (this_window - iolog->avg_msec);
d454a205 2207 return iolog->avg_msec;
99007068 2208}
6eaf09d6 2209
a47591e4 2210void finalize_logs(struct thread_data *td, bool unit_logs)
99007068
PO
2211{
2212 unsigned long elapsed;
6eaf09d6 2213
99007068 2214 elapsed = mtime_since_now(&td->epoch);
b8bc8cba 2215
a47591e4 2216 if (td->clat_log && unit_logs)
e6989e10 2217 _add_stat_to_log(td->clat_log, elapsed, td->o.log_max != 0);
a47591e4 2218 if (td->slat_log && unit_logs)
e6989e10 2219 _add_stat_to_log(td->slat_log, elapsed, td->o.log_max != 0);
a47591e4 2220 if (td->lat_log && unit_logs)
e6989e10 2221 _add_stat_to_log(td->lat_log, elapsed, td->o.log_max != 0);
a47591e4 2222 if (td->bw_log && (unit_logs == per_unit_log(td->bw_log)))
e6989e10 2223 _add_stat_to_log(td->bw_log, elapsed, td->o.log_max != 0);
a47591e4 2224 if (td->iops_log && (unit_logs == per_unit_log(td->iops_log)))
e6989e10 2225 _add_stat_to_log(td->iops_log, elapsed, td->o.log_max != 0);
bb3884d8
JA
2226}
2227
306ddc97 2228void add_agg_sample(unsigned long val, enum fio_ddir ddir, unsigned int bs)
bb3884d8 2229{
ff58fced 2230 struct io_log *iolog;
bb3884d8 2231
ff58fced
JA
2232 if (!ddir_rw(ddir))
2233 return;
2234
2235 iolog = agg_io_log[ddir];
ae588852 2236 __add_log_sample(iolog, val, ddir, bs, mtime_since_genesis(), 0);
bb3884d8
JA
2237}
2238
83349190
YH
2239static void add_clat_percentile_sample(struct thread_stat *ts,
2240 unsigned long usec, enum fio_ddir ddir)
2241{
2242 unsigned int idx = plat_val_to_idx(usec);
2243 assert(idx < FIO_IO_U_PLAT_NR);
2244
2245 ts->io_u_plat[ddir][idx]++;
2246}
2247
1e97cce9 2248void add_clat_sample(struct thread_data *td, enum fio_ddir ddir,
ae588852 2249 unsigned long usec, unsigned int bs, uint64_t offset)
3c39a379 2250{
1e613c9c 2251 unsigned long elapsed, this_window;
756867bd 2252 struct thread_stat *ts = &td->ts;
1e613c9c 2253 struct io_log *iolog = td->clat_hist_log;
079ad09b 2254
75dc383e
JA
2255 td_io_u_lock(td);
2256
d85f5118 2257 add_stat_sample(&ts->clat_stat[ddir], usec);
3c39a379 2258
7b9f733a 2259 if (td->clat_log)
ae588852 2260 add_log_sample(td, td->clat_log, usec, ddir, bs, offset);
83349190
YH
2261
2262 if (ts->clat_percentiles)
2263 add_clat_percentile_sample(ts, usec, ddir);
75dc383e 2264
1e613c9c 2265 if (iolog && iolog->hist_msec) {
93168285
JA
2266 struct io_hist *hw = &iolog->hist_window[ddir];
2267
2268 hw->samples++;
1e613c9c 2269 elapsed = mtime_since_now(&td->epoch);
93168285 2270 if (!hw->hist_last)
1e613c9c
KC
2271 hw->hist_last = elapsed;
2272 this_window = elapsed - hw->hist_last;
2273
2274 if (this_window >= iolog->hist_msec) {
93168285
JA
2275 unsigned int *io_u_plat;
2276 unsigned int *dst;
2277
1e613c9c 2278 /*
93168285
JA
2279 * Make a byte-for-byte copy of the latency histogram
2280 * stored in td->ts.io_u_plat[ddir], recording it in a
2281 * log sample. Note that the matching call to free() is
2282 * located in iolog.c after printing this sample to the
2283 * log file.
1e613c9c 2284 */
93168285
JA
2285 io_u_plat = (unsigned int *) td->ts.io_u_plat[ddir];
2286 dst = malloc(FIO_IO_U_PLAT_NR * sizeof(unsigned int));
2287 memcpy(dst, io_u_plat,
2288 FIO_IO_U_PLAT_NR * sizeof(unsigned int));
2289 __add_log_sample(iolog, (unsigned long )dst, ddir, bs,
2290 elapsed, offset);
1e613c9c
KC
2291
2292 /*
93168285
JA
2293 * Update the last time we recorded as being now, minus
2294 * any drift in time we encountered before actually
2295 * making the record.
1e613c9c
KC
2296 */
2297 hw->hist_last = elapsed - (this_window - iolog->hist_msec);
2298 hw->samples = 0;
2299 }
2300 }
2301
75dc383e 2302 td_io_u_unlock(td);
3c39a379
JA
2303}
2304
1e97cce9 2305void add_slat_sample(struct thread_data *td, enum fio_ddir ddir,
ae588852 2306 unsigned long usec, unsigned int bs, uint64_t offset)
3c39a379 2307{
756867bd 2308 struct thread_stat *ts = &td->ts;
079ad09b 2309
ff58fced
JA
2310 if (!ddir_rw(ddir))
2311 return;
2312
75dc383e
JA
2313 td_io_u_lock(td);
2314
d85f5118 2315 add_stat_sample(&ts->slat_stat[ddir], usec);
3c39a379 2316
7b9f733a 2317 if (td->slat_log)
ae588852 2318 add_log_sample(td, td->slat_log, usec, ddir, bs, offset);
75dc383e
JA
2319
2320 td_io_u_unlock(td);
3c39a379
JA
2321}
2322
02af0988 2323void add_lat_sample(struct thread_data *td, enum fio_ddir ddir,
ae588852 2324 unsigned long usec, unsigned int bs, uint64_t offset)
02af0988
JA
2325{
2326 struct thread_stat *ts = &td->ts;
2327
ff58fced
JA
2328 if (!ddir_rw(ddir))
2329 return;
2330
75dc383e
JA
2331 td_io_u_lock(td);
2332
02af0988
JA
2333 add_stat_sample(&ts->lat_stat[ddir], usec);
2334
7b9f733a 2335 if (td->lat_log)
ae588852 2336 add_log_sample(td, td->lat_log, usec, ddir, bs, offset);
75dc383e
JA
2337
2338 td_io_u_unlock(td);
02af0988
JA
2339}
2340
a47591e4
JA
2341void add_bw_sample(struct thread_data *td, struct io_u *io_u,
2342 unsigned int bytes, unsigned long spent)
2343{
2344 struct thread_stat *ts = &td->ts;
2345 unsigned long rate;
2346
2347 if (spent)
2348 rate = bytes * 1000 / spent;
2349 else
2350 rate = 0;
2351
2352 td_io_u_lock(td);
2353
2354 add_stat_sample(&ts->bw_stat[io_u->ddir], rate);
2355
2356 if (td->bw_log)
2357 add_log_sample(td, td->bw_log, rate, io_u->ddir, bytes, io_u->offset);
2358
2359 td->stat_io_bytes[io_u->ddir] = td->this_io_bytes[io_u->ddir];
2360 td_io_u_unlock(td);
2361}
2362
2363static int add_bw_samples(struct thread_data *td, struct timeval *t)
3c39a379 2364{
756867bd 2365 struct thread_stat *ts = &td->ts;
ff58fced 2366 unsigned long spent, rate;
a47591e4 2367 enum fio_ddir ddir;
d454a205
JA
2368 unsigned int next, next_log;
2369
2370 next_log = td->o.bw_avg_time;
ff58fced 2371
c8eeb9df 2372 spent = mtime_since(&td->bw_sample_time, t);
a47591e4 2373 if (spent < td->o.bw_avg_time &&
d454a205 2374 td->o.bw_avg_time - spent >= LOG_MSEC_SLACK)
a47591e4 2375 return td->o.bw_avg_time - spent;
9602d8df 2376
a9da8ab2
JA
2377 td_io_u_lock(td);
2378
9602d8df 2379 /*
5daa4ebe
JC
2380 * Compute both read and write rates for the interval.
2381 */
6eaf09d6 2382 for (ddir = DDIR_READ; ddir < DDIR_RWDIR_CNT; ddir++) {
5daa4ebe
JC
2383 uint64_t delta;
2384
2385 delta = td->this_io_bytes[ddir] - td->stat_io_bytes[ddir];
2386 if (!delta)
2387 continue; /* No entries for interval */
3c39a379 2388
0956264f
JA
2389 if (spent)
2390 rate = delta * 1000 / spent / 1024;
2391 else
2392 rate = 0;
2393
5daa4ebe 2394 add_stat_sample(&ts->bw_stat[ddir], rate);
3c39a379 2395
66b98c9f
JA
2396 if (td->bw_log) {
2397 unsigned int bs = 0;
2398
2399 if (td->o.min_bs[ddir] == td->o.max_bs[ddir])
2400 bs = td->o.min_bs[ddir];
2401
d454a205
JA
2402 next = add_log_sample(td, td->bw_log, rate, ddir, bs, 0);
2403 next_log = min(next_log, next);
66b98c9f 2404 }
5daa4ebe
JC
2405
2406 td->stat_io_bytes[ddir] = td->this_io_bytes[ddir];
2407 }
3c39a379 2408
a47591e4
JA
2409 timeval_add_msec(&td->bw_sample_time, td->o.bw_avg_time);
2410
2411 td_io_u_unlock(td);
2412
2413 if (spent <= td->o.bw_avg_time)
d454a205 2414 return min(next_log, td->o.bw_avg_time);
a47591e4 2415
d454a205
JA
2416 next = td->o.bw_avg_time - (1 + spent - td->o.bw_avg_time);
2417 return min(next, next_log);
a47591e4
JA
2418}
2419
2420void add_iops_sample(struct thread_data *td, struct io_u *io_u,
2421 unsigned int bytes)
2422{
2423 struct thread_stat *ts = &td->ts;
2424
2425 td_io_u_lock(td);
2426
2427 add_stat_sample(&ts->iops_stat[io_u->ddir], 1);
2428
2429 if (td->iops_log)
2430 add_log_sample(td, td->iops_log, 1, io_u->ddir, bytes, io_u->offset);
2431
2432 td->stat_io_blocks[io_u->ddir] = td->this_io_blocks[io_u->ddir];
a9da8ab2 2433 td_io_u_unlock(td);
3c39a379 2434}
c8eeb9df 2435
a47591e4 2436static int add_iops_samples(struct thread_data *td, struct timeval *t)
c8eeb9df
JA
2437{
2438 struct thread_stat *ts = &td->ts;
2439 unsigned long spent, iops;
a47591e4 2440 enum fio_ddir ddir;
d454a205
JA
2441 unsigned int next, next_log;
2442
2443 next_log = td->o.iops_avg_time;
c8eeb9df 2444
c8eeb9df 2445 spent = mtime_since(&td->iops_sample_time, t);
a47591e4 2446 if (spent < td->o.iops_avg_time &&
d454a205 2447 td->o.iops_avg_time - spent >= LOG_MSEC_SLACK)
a47591e4 2448 return td->o.iops_avg_time - spent;
c8eeb9df 2449
a9da8ab2
JA
2450 td_io_u_lock(td);
2451
9602d8df
JA
2452 /*
2453 * Compute both read and write rates for the interval.
2454 */
6eaf09d6 2455 for (ddir = DDIR_READ; ddir < DDIR_RWDIR_CNT; ddir++) {
9602d8df 2456 uint64_t delta;
c8eeb9df 2457
9602d8df
JA
2458 delta = td->this_io_blocks[ddir] - td->stat_io_blocks[ddir];
2459 if (!delta)
2460 continue; /* No entries for interval */
2461
0956264f
JA
2462 if (spent)
2463 iops = (delta * 1000) / spent;
2464 else
2465 iops = 0;
2466
9602d8df 2467 add_stat_sample(&ts->iops_stat[ddir], iops);
c8eeb9df 2468
66b98c9f
JA
2469 if (td->iops_log) {
2470 unsigned int bs = 0;
2471
2472 if (td->o.min_bs[ddir] == td->o.max_bs[ddir])
2473 bs = td->o.min_bs[ddir];
2474
d454a205
JA
2475 next = add_log_sample(td, td->iops_log, iops, ddir, bs, 0);
2476 next_log = min(next_log, next);
66b98c9f 2477 }
9602d8df 2478
421f4a82 2479 td->stat_io_blocks[ddir] = td->this_io_blocks[ddir];
9602d8df 2480 }
c8eeb9df 2481
a47591e4
JA
2482 timeval_add_msec(&td->iops_sample_time, td->o.iops_avg_time);
2483
a9da8ab2 2484 td_io_u_unlock(td);
a47591e4
JA
2485
2486 if (spent <= td->o.iops_avg_time)
d454a205 2487 return min(next_log, td->o.iops_avg_time);
a47591e4 2488
d454a205
JA
2489 next = td->o.iops_avg_time - (1 + spent - td->o.iops_avg_time);
2490 return min(next, next_log);
a47591e4
JA
2491}
2492
2493/*
2494 * Returns msecs to next event
2495 */
2496int calc_log_samples(void)
2497{
2498 struct thread_data *td;
2499 unsigned int next = ~0U, tmp;
2500 struct timeval now;
2501 int i;
2502
2503 fio_gettime(&now, NULL);
2504
2505 for_each_td(td, i) {
6a89b401 2506 if (in_ramp_time(td) ||
a47591e4
JA
2507 !(td->runstate == TD_RUNNING || td->runstate == TD_VERIFYING)) {
2508 next = min(td->o.iops_avg_time, td->o.bw_avg_time);
2509 continue;
2510 }
2511 if (!per_unit_log(td->bw_log)) {
2512 tmp = add_bw_samples(td, &now);
2513 if (tmp < next)
2514 next = tmp;
2515 }
2516 if (!per_unit_log(td->iops_log)) {
2517 tmp = add_iops_samples(td, &now);
2518 if (tmp < next)
2519 next = tmp;
2520 }
2521 }
2522
2523 return next == ~0U ? 0 : next;
c8eeb9df 2524}
cef9175e
JA
2525
2526void stat_init(void)
2527{
2528 stat_mutex = fio_mutex_init(FIO_MUTEX_UNLOCKED);
2529}
2530
2531void stat_exit(void)
2532{
2533 /*
2534 * When we have the mutex, we know out-of-band access to it
2535 * have ended.
2536 */
2537 fio_mutex_down(stat_mutex);
2538 fio_mutex_remove(stat_mutex);
2539}
b2ee7647 2540
b2ee7647
JA
2541/*
2542 * Called from signal handler. Wake up status thread.
2543 */
2544void show_running_run_stats(void)
2545{
a47591e4 2546 helper_do_stat();
b2ee7647 2547}
66347cfa
DE
2548
2549uint32_t *io_u_block_info(struct thread_data *td, struct io_u *io_u)
2550{
2551 /* Ignore io_u's which span multiple blocks--they will just get
2552 * inaccurate counts. */
2553 int idx = (io_u->offset - io_u->file->file_offset)
2554 / td->o.bs[DDIR_TRIM];
2555 uint32_t *info = &td->ts.block_infos[idx];
2556 assert(idx < td->ts.nr_block_infos);
2557 return info;
2558}