backend: cleanup overlap submission logic
[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);
8b6a404c 40 ts->usr_time += mtime_since_tv(&td->ru_start.ru_utime,
c8aaba19 41 &td->ru_end.ru_utime);
8b6a404c 42 ts->sys_time += mtime_since_tv(&td->ru_start.ru_stime,
c8aaba19
JA
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 */
d6bb626e 61static unsigned int plat_val_to_idx(unsigned long long val)
83349190
YH
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
d6bb626e 69 msb = (sizeof(val)*8) - __builtin_clzll(val) - 1;
83349190 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 */
129e4193 101static unsigned long long plat_idx_to_val(unsigned int idx)
83349190
YH
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 137unsigned int calc_clat_percentiles(unsigned int *io_u_plat, unsigned long nr,
d6bb626e
VF
138 fio_fp64_t *plist, unsigned long long **output,
139 unsigned long long *maxv, unsigned long long *minv)
83349190
YH
140{
141 unsigned long sum = 0;
1db92cb6
JA
142 unsigned int len, i, j = 0;
143 unsigned int oval_len = 0;
d6bb626e 144 unsigned long long *ovals = NULL;
1db92cb6
JA
145 int is_last;
146
d6bb626e 147 *minv = -1ULL;
1db92cb6 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;
d6bb626e 176 ovals = realloc(ovals, oval_len * sizeof(*ovals));
4f6f8298
JA
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 203{
d6bb626e
VF
204 unsigned int divisor, len, i, j = 0;
205 unsigned long long minv, maxv;
206 unsigned long long *ovals;
207 int is_last, per_line, scale_down, time_width;
eef02441 208 char fmt[32];
1db92cb6
JA
209
210 len = calc_clat_percentiles(io_u_plat, nr, plist, &ovals, &maxv, &minv);
211 if (!len)
212 goto out;
213
4f6f8298 214 /*
d6bb626e
VF
215 * We default to nsecs, but if the value range is such that we
216 * should scale down to usecs or msecs, do that.
4f6f8298 217 */
d6bb626e
VF
218 if (minv > 2000000 && maxv > 99999999ULL) {
219 scale_down = 2;
220 divisor = 1000000;
a666cab8 221 log_buf(out, " clat percentiles (msec):\n |");
d6bb626e
VF
222 } else if (minv > 2000 && maxv > 99999) {
223 scale_down = 1;
224 divisor = 1000;
225 log_buf(out, " clat percentiles (usec):\n |");
4f6f8298
JA
226 } else {
227 scale_down = 0;
d6bb626e
VF
228 divisor = 1;
229 log_buf(out, " clat percentiles (nsec):\n |");
4f6f8298 230 }
83349190 231
619adf9c 232
d6bb626e 233 time_width = max(5, (int) (log10(maxv / divisor) + 1));
74558486
JA
234 snprintf(fmt, sizeof(fmt), " %%%u.%ufth=[%%%dllu]%%c", precision + 3,
235 precision, time_width);
236 /* fmt will be something like " %5.2fth=[%4llu]%c" */
d6bb626e 237 per_line = (80 - 7) / (precision + 10 + time_width);
81ab0b3a 238
d6bb626e 239 for (j = 0; j < len; j++) {
4f6f8298 240 /* for formatting */
eef02441 241 if (j != 0 && (j % per_line) == 0)
a666cab8 242 log_buf(out, " |");
83349190 243
4f6f8298
JA
244 /* end of the list */
245 is_last = (j == len - 1);
83349190 246
d6bb626e 247 for (i = 0; i < scale_down; i++)
4f6f8298
JA
248 ovals[j] = (ovals[j] + 999) / 1000;
249
d6bb626e 250 log_buf(out, fmt, plist[j].u.f, ovals[j], is_last ? '\n' : ',');
4f6f8298
JA
251
252 if (is_last)
253 break;
254
eef02441 255 if ((j % per_line) == per_line - 1) /* for formatting */
a666cab8 256 log_buf(out, "\n");
83349190 257 }
4f6f8298 258
1db92cb6 259out:
4f6f8298
JA
260 if (ovals)
261 free(ovals);
83349190
YH
262}
263
74558486
JA
264bool calc_lat(struct io_stat *is, unsigned long long *min,
265 unsigned long long *max, double *mean, double *dev)
3c39a379 266{
ee0ccb79 267 double n = (double) is->samples;
3c39a379 268
ee0ccb79 269 if (n == 0)
8aa89d70 270 return false;
3c39a379
JA
271
272 *min = is->min_val;
273 *max = is->max_val;
802ad4a8 274 *mean = is->mean.u.f;
e6d276f2 275
68704084 276 if (n > 1.0)
802ad4a8 277 *dev = sqrt(is->S.u.f / (n - 1.0));
ef9c5c40 278 else
4b43f54e 279 *dev = 0;
ef9c5c40 280
8aa89d70 281 return true;
3c39a379
JA
282}
283
a666cab8 284void show_group_stats(struct group_run_stats *rs, struct buf_output *out)
3c39a379 285{
d694a6a7
RE
286 char *io, *agg, *min, *max;
287 char *ioalt, *aggalt, *minalt, *maxalt;
42da5c8b 288 const char *str[] = { " READ", " WRITE" , " TRIM"};
dbe1125e
JA
289 int i;
290
a666cab8 291 log_buf(out, "\nRun status group %d (all jobs):\n", rs->groupid);
3c39a379 292
6eaf09d6 293 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
90fef2d1
JA
294 const int i2p = is_power_of_2(rs->kb_base);
295
dbe1125e
JA
296 if (!rs->max_run[i])
297 continue;
298
d694a6a7
RE
299 io = num2str(rs->iobytes[i], 4, 1, i2p, N2S_BYTE);
300 ioalt = num2str(rs->iobytes[i], 4, 1, !i2p, N2S_BYTE);
301 agg = num2str(rs->agg[i], 4, 1, i2p, rs->unit_base);
302 aggalt = num2str(rs->agg[i], 4, 1, !i2p, rs->unit_base);
303 min = num2str(rs->min_bw[i], 4, 1, i2p, rs->unit_base);
304 minalt = num2str(rs->min_bw[i], 4, 1, !i2p, rs->unit_base);
305 max = num2str(rs->max_bw[i], 4, 1, i2p, rs->unit_base);
306 maxalt = num2str(rs->max_bw[i], 4, 1, !i2p, rs->unit_base);
307 log_buf(out, "%s: bw=%s (%s), %s-%s (%s-%s), io=%s (%s), run=%llu-%llumsec\n",
42da5c8b 308 rs->unified_rw_rep ? " MIXED" : str[i],
d694a6a7 309 agg, aggalt, min, max, minalt, maxalt, io, ioalt,
4e0a8fa2
JA
310 (unsigned long long) rs->min_run[i],
311 (unsigned long long) rs->max_run[i]);
dbe1125e 312
d694a6a7
RE
313 free(io);
314 free(agg);
315 free(min);
316 free(max);
317 free(ioalt);
318 free(aggalt);
319 free(minalt);
320 free(maxalt);
dbe1125e 321 }
3c39a379
JA
322}
323
2e33101f 324void stat_calc_dist(unsigned int *map, unsigned long total, double *io_u_dist)
2270890c
JA
325{
326 int i;
327
328 /*
329 * Do depth distribution calculations
330 */
331 for (i = 0; i < FIO_IO_U_MAP_NR; i++) {
838bc709
JA
332 if (total) {
333 io_u_dist[i] = (double) map[i] / (double) total;
334 io_u_dist[i] *= 100.0;
335 if (io_u_dist[i] < 0.1 && map[i])
336 io_u_dist[i] = 0.1;
337 } else
338 io_u_dist[i] = 0.0;
2270890c
JA
339 }
340}
341
04a0feae
JA
342static void stat_calc_lat(struct thread_stat *ts, double *dst,
343 unsigned int *src, int nr)
2270890c 344{
d79db122 345 unsigned long total = ddir_rw_sum(ts->total_io_u);
2270890c
JA
346 int i;
347
348 /*
349 * Do latency distribution calculations
350 */
04a0feae 351 for (i = 0; i < nr; i++) {
838bc709
JA
352 if (total) {
353 dst[i] = (double) src[i] / (double) total;
354 dst[i] *= 100.0;
355 if (dst[i] < 0.01 && src[i])
356 dst[i] = 0.01;
357 } else
358 dst[i] = 0.0;
2270890c
JA
359 }
360}
361
247823cc
VF
362/*
363 * To keep the terse format unaltered, add all of the ns latency
364 * buckets to the first us latency bucket
365 */
366void stat_calc_lat_nu(struct thread_stat *ts, double *io_u_lat_u)
367{
368 unsigned long ntotal = 0, total = ddir_rw_sum(ts->total_io_u);
369 int i;
370
371 stat_calc_lat(ts, io_u_lat_u, ts->io_u_lat_u, FIO_IO_U_LAT_U_NR);
372
373 for (i = 0; i < FIO_IO_U_LAT_N_NR; i++)
374 ntotal += ts->io_u_lat_n[i];
375
376 io_u_lat_u[0] += 100.0 * (double) ntotal / (double) total;
377}
378
d6bb626e
VF
379void stat_calc_lat_n(struct thread_stat *ts, double *io_u_lat)
380{
381 stat_calc_lat(ts, io_u_lat, ts->io_u_lat_n, FIO_IO_U_LAT_N_NR);
382}
383
e5bd1347 384void stat_calc_lat_u(struct thread_stat *ts, double *io_u_lat)
04a0feae
JA
385{
386 stat_calc_lat(ts, io_u_lat, ts->io_u_lat_u, FIO_IO_U_LAT_U_NR);
387}
388
e5bd1347 389void stat_calc_lat_m(struct thread_stat *ts, double *io_u_lat)
04a0feae
JA
390{
391 stat_calc_lat(ts, io_u_lat, ts->io_u_lat_m, FIO_IO_U_LAT_M_NR);
392}
393
74558486
JA
394static void display_lat(const char *name, unsigned long long min,
395 unsigned long long max, double mean, double dev,
396 struct buf_output *out)
ea2accc5 397{
d6bb626e 398 const char *base = "(nsec)";
b29ad562 399 char *minp, *maxp;
ea2accc5 400
d6bb626e 401 if (nsec_to_msec(&min, &max, &mean, &dev))
b29ad562 402 base = "(msec)";
d6bb626e
VF
403 else if (nsec_to_usec(&min, &max, &mean, &dev))
404 base = "(usec)";
b29ad562 405
d694a6a7
RE
406 minp = num2str(min, 6, 1, 0, N2S_NONE);
407 maxp = num2str(max, 6, 1, 0, N2S_NONE);
b29ad562 408
a666cab8 409 log_buf(out, " %s %s: min=%s, max=%s, avg=%5.02f,"
b29ad562
JA
410 " stdev=%5.02f\n", name, base, minp, maxp, mean, dev);
411
412 free(minp);
413 free(maxp);
ea2accc5
JA
414}
415
756867bd 416static void show_ddir_status(struct group_run_stats *rs, struct thread_stat *ts,
a666cab8 417 int ddir, struct buf_output *out)
3c39a379 418{
27624651 419 const char *str[] = { " read", "write", " trim" };
d6bb626e
VF
420 unsigned long runt;
421 unsigned long long min, max, bw, iops;
3c39a379 422 double mean, dev;
d694a6a7 423 char *io_p, *bw_p, *bw_p_alt, *iops_p;
90fef2d1 424 int i2p;
3c39a379 425
ff58fced
JA
426 assert(ddir_rw(ddir));
427
756867bd 428 if (!ts->runtime[ddir])
3c39a379
JA
429 return;
430
90fef2d1 431 i2p = is_power_of_2(rs->kb_base);
8879fd15
JA
432 runt = ts->runtime[ddir];
433
434 bw = (1000 * ts->io_bytes[ddir]) / runt;
d694a6a7
RE
435 io_p = num2str(ts->io_bytes[ddir], 4, 1, i2p, N2S_BYTE);
436 bw_p = num2str(bw, 4, 1, i2p, ts->unit_base);
437 bw_p_alt = num2str(bw, 4, 1, !i2p, ts->unit_base);
8879fd15 438
0aacc50c 439 iops = (1000 * (uint64_t)ts->total_io_u[ddir]) / runt;
d694a6a7 440 iops_p = num2str(iops, 4, 1, 0, N2S_NONE);
dbe1125e 441
d694a6a7
RE
442 log_buf(out, " %s: IOPS=%s, BW=%s (%s)(%s/%llumsec)\n",
443 rs->unified_rw_rep ? "mixed" : str[ddir],
444 iops_p, bw_p, bw_p_alt, io_p,
445 (unsigned long long) ts->runtime[ddir]);
dbe1125e
JA
446
447 free(io_p);
448 free(bw_p);
d694a6a7 449 free(bw_p_alt);
b3605062 450 free(iops_p);
3c39a379 451
b29ad562 452 if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev))
a666cab8 453 display_lat("slat", min, max, mean, dev, out);
b29ad562 454 if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev))
a666cab8 455 display_lat("clat", min, max, mean, dev, out);
b29ad562 456 if (calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev))
a666cab8 457 display_lat(" lat", min, max, mean, dev, out);
02af0988 458
83349190
YH
459 if (ts->clat_percentiles) {
460 show_clat_percentiles(ts->io_u_plat[ddir],
461 ts->clat_stat[ddir].samples,
435d195a 462 ts->percentile_list,
a666cab8 463 ts->percentile_precision, out);
83349190 464 }
079ad09b 465 if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) {
142c7f2d 466 double p_of_agg = 100.0, fkb_base = (double)rs->kb_base;
d694a6a7
RE
467 const char *bw_str;
468
469 if ((rs->unit_base == 1) && i2p)
470 bw_str = "Kibit";
471 else if (rs->unit_base == 1)
472 bw_str = "kbit";
473 else if (i2p)
474 bw_str = "KiB";
475 else
476 bw_str = "kB";
d686990a 477
d1707474
SW
478 if (rs->agg[ddir]) {
479 p_of_agg = mean * 100 / (double) (rs->agg[ddir] / 1024);
480 if (p_of_agg > 100.0)
481 p_of_agg = 100.0;
482 }
483
d686990a
SN
484 if (rs->unit_base == 1) {
485 min *= 8.0;
486 max *= 8.0;
487 mean *= 8.0;
488 dev *= 8.0;
489 }
3c39a379 490
142c7f2d
SN
491 if (mean > fkb_base * fkb_base) {
492 min /= fkb_base;
493 max /= fkb_base;
494 mean /= fkb_base;
495 dev /= fkb_base;
d694a6a7 496 bw_str = (rs->unit_base == 1 ? "Mibit" : "MiB");
b7017e32
JA
497 }
498
54c05828 499 log_buf(out, " bw (%5s/s): min=%5llu, max=%5llu, per=%3.2f%%, "
29eb371b 500 "avg=%5.02f, stdev=%5.02f, samples=%" PRIu64 "\n",
54c05828
AH
501 bw_str, min, max, p_of_agg, mean, dev,
502 (&ts->bw_stat[ddir])->samples);
3c39a379 503 }
188b6016 504 if (calc_lat(&ts->iops_stat[ddir], &min, &max, &mean, &dev)) {
21ba6606 505 log_buf(out, " iops : min=%5llu, max=%5llu, "
29eb371b 506 "avg=%5.02f, stdev=%5.02f, samples=%" PRIu64 "\n",
54c05828 507 min, max, mean, dev, (&ts->iops_stat[ddir])->samples);
188b6016 508 }
3c39a379
JA
509}
510
7e1773ba 511static int show_lat(double *io_u_lat, int nr, const char **ranges,
a666cab8 512 const char *msg, struct buf_output *out)
04a0feae 513{
7e1773ba 514 int new_line = 1, i, line = 0, shown = 0;
04a0feae
JA
515
516 for (i = 0; i < nr; i++) {
517 if (io_u_lat[i] <= 0.0)
518 continue;
7e1773ba 519 shown = 1;
04a0feae 520 if (new_line) {
4539ed73 521 if (line)
a666cab8
JA
522 log_buf(out, "\n");
523 log_buf(out, " lat (%s) : ", msg);
04a0feae
JA
524 new_line = 0;
525 line = 0;
526 }
527 if (line)
a666cab8
JA
528 log_buf(out, ", ");
529 log_buf(out, "%s%3.2f%%", ranges[i], io_u_lat[i]);
04a0feae
JA
530 line++;
531 if (line == 5)
532 new_line = 1;
533 }
7e1773ba
JA
534
535 if (shown)
a666cab8 536 log_buf(out, "\n");
7e1773ba
JA
537
538 return shown;
04a0feae
JA
539}
540
d6bb626e
VF
541static void show_lat_n(double *io_u_lat_n, struct buf_output *out)
542{
543 const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=",
544 "250=", "500=", "750=", "1000=", };
545
546 show_lat(io_u_lat_n, FIO_IO_U_LAT_N_NR, ranges, "nsec", out);
547}
548
a666cab8 549static void show_lat_u(double *io_u_lat_u, struct buf_output *out)
04a0feae
JA
550{
551 const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=",
552 "250=", "500=", "750=", "1000=", };
553
a666cab8 554 show_lat(io_u_lat_u, FIO_IO_U_LAT_U_NR, ranges, "usec", out);
04a0feae
JA
555}
556
a666cab8 557static void show_lat_m(double *io_u_lat_m, struct buf_output *out)
04a0feae
JA
558{
559 const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=",
560 "250=", "500=", "750=", "1000=", "2000=",
561 ">=2000=", };
562
a666cab8 563 show_lat(io_u_lat_m, FIO_IO_U_LAT_M_NR, ranges, "msec", out);
04a0feae
JA
564}
565
a666cab8 566static void show_latencies(struct thread_stat *ts, struct buf_output *out)
04a0feae 567{
d6bb626e 568 double io_u_lat_n[FIO_IO_U_LAT_N_NR];
c551f65a
JA
569 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
570 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
571
d6bb626e 572 stat_calc_lat_n(ts, io_u_lat_n);
5a18988e
JA
573 stat_calc_lat_u(ts, io_u_lat_u);
574 stat_calc_lat_m(ts, io_u_lat_m);
575
d6bb626e 576 show_lat_n(io_u_lat_n, out);
a666cab8
JA
577 show_lat_u(io_u_lat_u, out);
578 show_lat_m(io_u_lat_m, out);
04a0feae
JA
579}
580
66347cfa
DE
581static int block_state_category(int block_state)
582{
583 switch (block_state) {
584 case BLOCK_STATE_UNINIT:
585 return 0;
586 case BLOCK_STATE_TRIMMED:
587 case BLOCK_STATE_WRITTEN:
588 return 1;
589 case BLOCK_STATE_WRITE_FAILURE:
590 case BLOCK_STATE_TRIM_FAILURE:
591 return 2;
592 default:
081c2dc3 593 /* Silence compile warning on some BSDs and have a return */
66347cfa 594 assert(0);
07ff5841 595 return -1;
66347cfa
DE
596 }
597}
598
599static int compare_block_infos(const void *bs1, const void *bs2)
600{
601 uint32_t block1 = *(uint32_t *)bs1;
602 uint32_t block2 = *(uint32_t *)bs2;
603 int state1 = BLOCK_INFO_STATE(block1);
604 int state2 = BLOCK_INFO_STATE(block2);
605 int bscat1 = block_state_category(state1);
606 int bscat2 = block_state_category(state2);
607 int cycles1 = BLOCK_INFO_TRIMS(block1);
608 int cycles2 = BLOCK_INFO_TRIMS(block2);
609
610 if (bscat1 < bscat2)
611 return -1;
612 if (bscat1 > bscat2)
613 return 1;
614
615 if (cycles1 < cycles2)
616 return -1;
617 if (cycles1 > cycles2)
618 return 1;
619
620 if (state1 < state2)
621 return -1;
622 if (state1 > state2)
623 return 1;
624
625 assert(block1 == block2);
626 return 0;
627}
628
629static int calc_block_percentiles(int nr_block_infos, uint32_t *block_infos,
630 fio_fp64_t *plist, unsigned int **percentiles,
631 unsigned int *types)
632{
633 int len = 0;
634 int i, nr_uninit;
635
636 qsort(block_infos, nr_block_infos, sizeof(uint32_t), compare_block_infos);
637
638 while (len < FIO_IO_U_LIST_MAX_LEN && plist[len].u.f != 0.0)
639 len++;
640
641 if (!len)
642 return 0;
643
644 /*
645 * Sort the percentile list. Note that it may already be sorted if
646 * we are using the default values, but since it's a short list this
647 * isn't a worry. Also note that this does not work for NaN values.
648 */
649 if (len > 1)
650 qsort((void *)plist, len, sizeof(plist[0]), double_cmp);
651
652 nr_uninit = 0;
653 /* Start only after the uninit entries end */
654 for (nr_uninit = 0;
655 nr_uninit < nr_block_infos
656 && BLOCK_INFO_STATE(block_infos[nr_uninit]) == BLOCK_STATE_UNINIT;
657 nr_uninit ++)
658 ;
659
660 if (nr_uninit == nr_block_infos)
661 return 0;
662
663 *percentiles = calloc(len, sizeof(**percentiles));
664
665 for (i = 0; i < len; i++) {
666 int idx = (plist[i].u.f * (nr_block_infos - nr_uninit) / 100)
667 + nr_uninit;
668 (*percentiles)[i] = BLOCK_INFO_TRIMS(block_infos[idx]);
669 }
670
671 memset(types, 0, sizeof(*types) * BLOCK_STATE_COUNT);
672 for (i = 0; i < nr_block_infos; i++)
673 types[BLOCK_INFO_STATE(block_infos[i])]++;
674
675 return len;
676}
677
678static const char *block_state_names[] = {
679 [BLOCK_STATE_UNINIT] = "unwritten",
680 [BLOCK_STATE_TRIMMED] = "trimmed",
681 [BLOCK_STATE_WRITTEN] = "written",
682 [BLOCK_STATE_TRIM_FAILURE] = "trim failure",
683 [BLOCK_STATE_WRITE_FAILURE] = "write failure",
684};
685
686static void show_block_infos(int nr_block_infos, uint32_t *block_infos,
a666cab8 687 fio_fp64_t *plist, struct buf_output *out)
66347cfa
DE
688{
689 int len, pos, i;
690 unsigned int *percentiles = NULL;
691 unsigned int block_state_counts[BLOCK_STATE_COUNT];
692
693 len = calc_block_percentiles(nr_block_infos, block_infos, plist,
694 &percentiles, block_state_counts);
695
a666cab8 696 log_buf(out, " block lifetime percentiles :\n |");
66347cfa
DE
697 pos = 0;
698 for (i = 0; i < len; i++) {
699 uint32_t block_info = percentiles[i];
700#define LINE_LENGTH 75
701 char str[LINE_LENGTH];
702 int strln = snprintf(str, LINE_LENGTH, " %3.2fth=%u%c",
703 plist[i].u.f, block_info,
704 i == len - 1 ? '\n' : ',');
705 assert(strln < LINE_LENGTH);
706 if (pos + strln > LINE_LENGTH) {
707 pos = 0;
a666cab8 708 log_buf(out, "\n |");
66347cfa 709 }
a666cab8 710 log_buf(out, "%s", str);
66347cfa
DE
711 pos += strln;
712#undef LINE_LENGTH
713 }
714 if (percentiles)
715 free(percentiles);
716
a666cab8 717 log_buf(out, " states :");
66347cfa 718 for (i = 0; i < BLOCK_STATE_COUNT; i++)
a666cab8 719 log_buf(out, " %s=%u%c",
66347cfa
DE
720 block_state_names[i], block_state_counts[i],
721 i == BLOCK_STATE_COUNT - 1 ? '\n' : ',');
722}
723
d685adfb
VF
724static void show_ss_normal(struct thread_stat *ts, struct buf_output *out)
725{
d694a6a7 726 char *p1, *p1alt, *p2;
d685adfb
VF
727 unsigned long long bw_mean, iops_mean;
728 const int i2p = is_power_of_2(ts->kb_base);
729
0c13c969 730 if (!ts->ss_dur)
d685adfb
VF
731 return;
732
bb49c8bd
VF
733 bw_mean = steadystate_bw_mean(ts);
734 iops_mean = steadystate_iops_mean(ts);
d685adfb 735
d694a6a7
RE
736 p1 = num2str(bw_mean / ts->kb_base, 4, ts->kb_base, i2p, ts->unit_base);
737 p1alt = num2str(bw_mean / ts->kb_base, 4, ts->kb_base, !i2p, ts->unit_base);
738 p2 = num2str(iops_mean, 4, 1, 0, N2S_NONE);
d685adfb 739
d694a6a7 740 log_buf(out, " steadystate : attained=%s, bw=%s (%s), iops=%s, %s%s=%.3f%s\n",
bb49c8bd 741 ts->ss_state & __FIO_SS_ATTAINED ? "yes" : "no",
d694a6a7 742 p1, p1alt, p2,
bb49c8bd
VF
743 ts->ss_state & __FIO_SS_IOPS ? "iops" : "bw",
744 ts->ss_state & __FIO_SS_SLOPE ? " slope": " mean dev",
745 ts->ss_criterion.u.f,
746 ts->ss_state & __FIO_SS_PCT ? "%" : "");
d685adfb
VF
747
748 free(p1);
d694a6a7 749 free(p1alt);
d685adfb
VF
750 free(p2);
751}
752
10aa136b 753static void show_thread_status_normal(struct thread_stat *ts,
a666cab8
JA
754 struct group_run_stats *rs,
755 struct buf_output *out)
3c39a379
JA
756{
757 double usr_cpu, sys_cpu;
69008999 758 unsigned long runtime;
71619dc2 759 double io_u_dist[FIO_IO_U_MAP_NR];
57a64324 760 time_t time_p;
35326842 761 char time_buf[32];
3c39a379 762
9966af7b 763 if (!ddir_rw_sum(ts->io_bytes) && !ddir_rw_sum(ts->total_io_u))
3c39a379 764 return;
33477b4b
JS
765
766 memset(time_buf, 0, sizeof(time_buf));
3c39a379 767
57a64324 768 time(&time_p);
45054cbe 769 os_ctime_r((const time_t *) &time_p, time_buf, sizeof(time_buf));
57a64324 770
5ec10eaa 771 if (!ts->error) {
a666cab8 772 log_buf(out, "%s: (groupid=%d, jobs=%d): err=%2d: pid=%d: %s",
5ec10eaa 773 ts->name, ts->groupid, ts->members,
57a64324 774 ts->error, (int) ts->pid, time_buf);
5ec10eaa 775 } else {
a666cab8 776 log_buf(out, "%s: (groupid=%d, jobs=%d): err=%2d (%s): pid=%d: %s",
5ec10eaa 777 ts->name, ts->groupid, ts->members,
57a64324
JA
778 ts->error, ts->verror, (int) ts->pid,
779 time_buf);
5ec10eaa 780 }
3c39a379 781
259e47de 782 if (strlen(ts->description))
a666cab8 783 log_buf(out, " Description : [%s]\n", ts->description);
7bdce1bd 784
756867bd 785 if (ts->io_bytes[DDIR_READ])
a666cab8 786 show_ddir_status(rs, ts, DDIR_READ, out);
756867bd 787 if (ts->io_bytes[DDIR_WRITE])
a666cab8 788 show_ddir_status(rs, ts, DDIR_WRITE, out);
6eaf09d6 789 if (ts->io_bytes[DDIR_TRIM])
a666cab8 790 show_ddir_status(rs, ts, DDIR_TRIM, out);
3c39a379 791
a666cab8 792 show_latencies(ts, out);
7e1773ba 793
756867bd 794 runtime = ts->total_run_time;
69008999 795 if (runtime) {
1e97cce9 796 double runt = (double) runtime;
3c39a379 797
756867bd
JA
798 usr_cpu = (double) ts->usr_time * 100 / runt;
799 sys_cpu = (double) ts->sys_time * 100 / runt;
3c39a379
JA
800 } else {
801 usr_cpu = 0;
802 sys_cpu = 0;
803 }
804
a666cab8 805 log_buf(out, " cpu : usr=%3.2f%%, sys=%3.2f%%, ctx=%llu,"
4e0a8fa2
JA
806 " majf=%llu, minf=%llu\n", usr_cpu, sys_cpu,
807 (unsigned long long) ts->ctx,
808 (unsigned long long) ts->majf,
809 (unsigned long long) ts->minf);
71619dc2 810
d79db122 811 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
a666cab8 812 log_buf(out, " IO depths : 1=%3.1f%%, 2=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%,"
5ec10eaa
JA
813 " 16=%3.1f%%, 32=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0],
814 io_u_dist[1], io_u_dist[2],
815 io_u_dist[3], io_u_dist[4],
816 io_u_dist[5], io_u_dist[6]);
838bc709
JA
817
818 stat_calc_dist(ts->io_u_submit, ts->total_submit, io_u_dist);
a666cab8 819 log_buf(out, " submit : 0=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%, 16=%3.1f%%,"
838bc709
JA
820 " 32=%3.1f%%, 64=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0],
821 io_u_dist[1], io_u_dist[2],
822 io_u_dist[3], io_u_dist[4],
823 io_u_dist[5], io_u_dist[6]);
824 stat_calc_dist(ts->io_u_complete, ts->total_complete, io_u_dist);
a666cab8 825 log_buf(out, " complete : 0=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%, 16=%3.1f%%,"
838bc709
JA
826 " 32=%3.1f%%, 64=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0],
827 io_u_dist[1], io_u_dist[2],
828 io_u_dist[3], io_u_dist[4],
829 io_u_dist[5], io_u_dist[6]);
d694a6a7
RE
830 log_buf(out, " issued rwt: total=%llu,%llu,%llu,"
831 " short=%llu,%llu,%llu,"
832 " dropped=%llu,%llu,%llu\n",
4e0a8fa2
JA
833 (unsigned long long) ts->total_io_u[0],
834 (unsigned long long) ts->total_io_u[1],
835 (unsigned long long) ts->total_io_u[2],
836 (unsigned long long) ts->short_io_u[0],
837 (unsigned long long) ts->short_io_u[1],
3bcb9d94
JA
838 (unsigned long long) ts->short_io_u[2],
839 (unsigned long long) ts->drop_io_u[0],
840 (unsigned long long) ts->drop_io_u[1],
841 (unsigned long long) ts->drop_io_u[2]);
f2bba182 842 if (ts->continue_on_error) {
a666cab8 843 log_buf(out, " errors : total=%llu, first_error=%d/<%s>\n",
4e0a8fa2 844 (unsigned long long)ts->total_err_count,
1ec99eea
JA
845 ts->first_error,
846 strerror(ts->first_error));
f2bba182 847 }
3e260a46 848 if (ts->latency_depth) {
a666cab8 849 log_buf(out, " latency : target=%llu, window=%llu, percentile=%.2f%%, depth=%u\n",
3e260a46
JA
850 (unsigned long long)ts->latency_target,
851 (unsigned long long)ts->latency_window,
852 ts->latency_percentile.u.f,
853 ts->latency_depth);
854 }
66347cfa
DE
855
856 if (ts->nr_block_infos)
857 show_block_infos(ts->nr_block_infos, ts->block_infos,
a666cab8 858 ts->percentile_list, out);
d685adfb 859
bb49c8bd 860 if (ts->ss_dur)
d685adfb 861 show_ss_normal(ts, out);
3c39a379
JA
862}
863
756867bd 864static void show_ddir_status_terse(struct thread_stat *ts,
a666cab8 865 struct group_run_stats *rs, int ddir,
a2c95580 866 int ver, struct buf_output *out)
c6ae0a5b 867{
d6bb626e
VF
868 unsigned long long min, max, minv, maxv, bw, iops;
869 unsigned long long *ovals = NULL;
c6ae0a5b 870 double mean, dev;
d6bb626e 871 unsigned int len;
a2c95580 872 int i, bw_stat;
c6ae0a5b 873
ff58fced
JA
874 assert(ddir_rw(ddir));
875
312b4af2
JA
876 iops = bw = 0;
877 if (ts->runtime[ddir]) {
878 uint64_t runt = ts->runtime[ddir];
879
420b104a 880 bw = ((1000 * ts->io_bytes[ddir]) / runt) / 1024; /* KiB/s */
312b4af2
JA
881 iops = (1000 * (uint64_t) ts->total_io_u[ddir]) / runt;
882 }
c6ae0a5b 883
a666cab8 884 log_buf(out, ";%llu;%llu;%llu;%llu",
4e0a8fa2
JA
885 (unsigned long long) ts->io_bytes[ddir] >> 10, bw, iops,
886 (unsigned long long) ts->runtime[ddir]);
c6ae0a5b 887
079ad09b 888 if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev))
247823cc 889 log_buf(out, ";%llu;%llu;%f;%f", min/1000, max/1000, mean/1000, dev/1000);
c6ae0a5b 890 else
d6bb626e 891 log_buf(out, ";%llu;%llu;%f;%f", 0ULL, 0ULL, 0.0, 0.0);
c6ae0a5b 892
079ad09b 893 if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev))
247823cc 894 log_buf(out, ";%llu;%llu;%f;%f", min/1000, max/1000, mean/1000, dev/1000);
c6ae0a5b 895 else
d6bb626e 896 log_buf(out, ";%llu;%llu;%f;%f", 0ULL, 0ULL, 0.0, 0.0);
c6ae0a5b 897
1db92cb6
JA
898 if (ts->clat_percentiles) {
899 len = calc_clat_percentiles(ts->io_u_plat[ddir],
900 ts->clat_stat[ddir].samples,
901 ts->percentile_list, &ovals, &maxv,
902 &minv);
903 } else
904 len = 0;
905
906 for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) {
907 if (i >= len) {
a666cab8 908 log_buf(out, ";0%%=0");
1db92cb6
JA
909 continue;
910 }
247823cc 911 log_buf(out, ";%f%%=%llu", ts->percentile_list[i].u.f, ovals[i]/1000);
1db92cb6 912 }
2341a37a
K
913
914 if (calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev))
247823cc 915 log_buf(out, ";%llu;%llu;%f;%f", min/1000, max/1000, mean/1000, dev/1000);
2341a37a 916 else
d6bb626e 917 log_buf(out, ";%llu;%llu;%f;%f", 0ULL, 0ULL, 0.0, 0.0);
2341a37a 918
1db92cb6
JA
919 if (ovals)
920 free(ovals);
921
a2c95580
AH
922 bw_stat = calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev);
923 if (bw_stat) {
19d3e967
JA
924 double p_of_agg = 100.0;
925
926 if (rs->agg[ddir]) {
d1707474 927 p_of_agg = mean * 100 / (double) (rs->agg[ddir] / 1024);
19d3e967
JA
928 if (p_of_agg > 100.0)
929 p_of_agg = 100.0;
930 }
c6ae0a5b 931
d6bb626e 932 log_buf(out, ";%llu;%llu;%f%%;%f;%f", min, max, p_of_agg, mean, dev);
c6ae0a5b 933 } else
d6bb626e 934 log_buf(out, ";%llu;%llu;%f%%;%f;%f", 0ULL, 0ULL, 0.0, 0.0, 0.0);
a2c95580
AH
935
936 if (ver == 5) {
937 if (bw_stat)
29eb371b 938 log_buf(out, ";%" PRIu64, (&ts->bw_stat[ddir])->samples);
a2c95580
AH
939 else
940 log_buf(out, ";%lu", 0UL);
941
942 if (calc_lat(&ts->iops_stat[ddir], &min, &max, &mean, &dev))
29eb371b 943 log_buf(out, ";%llu;%llu;%f;%f;%" PRIu64, min, max,
a2c95580
AH
944 mean, dev, (&ts->iops_stat[ddir])->samples);
945 else
946 log_buf(out, ";%llu;%llu;%f;%f;%lu", 0ULL, 0ULL, 0.0, 0.0, 0UL);
947 }
c6ae0a5b
JA
948}
949
cc372b17
SL
950static void add_ddir_status_json(struct thread_stat *ts,
951 struct group_run_stats *rs, int ddir, struct json_object *parent)
952{
d6bb626e 953 unsigned long long min, max, minv, maxv;
9f68fe3a 954 unsigned long long bw;
d6bb626e 955 unsigned long long *ovals = NULL;
9f68fe3a 956 double mean, dev, iops;
d6bb626e 957 unsigned int len;
cc372b17
SL
958 int i;
959 const char *ddirname[] = {"read", "write", "trim"};
513e37ee 960 struct json_object *dir_object, *tmp_object, *percentile_object, *clat_bins_object;
cc372b17
SL
961 char buf[120];
962 double p_of_agg = 100.0;
963
964 assert(ddir_rw(ddir));
965
771e58be
JA
966 if (ts->unified_rw_rep && ddir != DDIR_READ)
967 return;
968
cc372b17 969 dir_object = json_create_object();
771e58be
JA
970 json_object_add_value_object(parent,
971 ts->unified_rw_rep ? "mixed" : ddirname[ddir], dir_object);
cc372b17 972
9f68fe3a
BE
973 bw = 0;
974 iops = 0.0;
cc372b17
SL
975 if (ts->runtime[ddir]) {
976 uint64_t runt = ts->runtime[ddir];
977
420b104a 978 bw = ((1000 * ts->io_bytes[ddir]) / runt) / 1024; /* KiB/s */
9f68fe3a 979 iops = (1000.0 * (uint64_t) ts->total_io_u[ddir]) / runt;
cc372b17
SL
980 }
981
c12d597a
JA
982 json_object_add_value_int(dir_object, "io_bytes", ts->io_bytes[ddir]);
983 json_object_add_value_int(dir_object, "io_kbytes", ts->io_bytes[ddir] >> 10);
cc372b17 984 json_object_add_value_int(dir_object, "bw", bw);
9f68fe3a 985 json_object_add_value_float(dir_object, "iops", iops);
cc372b17 986 json_object_add_value_int(dir_object, "runtime", ts->runtime[ddir]);
9966af7b
JA
987 json_object_add_value_int(dir_object, "total_ios", ts->total_io_u[ddir]);
988 json_object_add_value_int(dir_object, "short_ios", ts->short_io_u[ddir]);
989 json_object_add_value_int(dir_object, "drop_ios", ts->drop_io_u[ddir]);
cc372b17
SL
990
991 if (!calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev)) {
992 min = max = 0;
993 mean = dev = 0.0;
994 }
995 tmp_object = json_create_object();
d6bb626e 996 json_object_add_value_object(dir_object, "slat_ns", tmp_object);
cc372b17
SL
997 json_object_add_value_int(tmp_object, "min", min);
998 json_object_add_value_int(tmp_object, "max", max);
999 json_object_add_value_float(tmp_object, "mean", mean);
1000 json_object_add_value_float(tmp_object, "stddev", dev);
1001
1002 if (!calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev)) {
1003 min = max = 0;
1004 mean = dev = 0.0;
1005 }
1006 tmp_object = json_create_object();
d6bb626e 1007 json_object_add_value_object(dir_object, "clat_ns", tmp_object);
cc372b17
SL
1008 json_object_add_value_int(tmp_object, "min", min);
1009 json_object_add_value_int(tmp_object, "max", max);
1010 json_object_add_value_float(tmp_object, "mean", mean);
1011 json_object_add_value_float(tmp_object, "stddev", dev);
1012
1013 if (ts->clat_percentiles) {
1014 len = calc_clat_percentiles(ts->io_u_plat[ddir],
1015 ts->clat_stat[ddir].samples,
1016 ts->percentile_list, &ovals, &maxv,
1017 &minv);
1018 } else
1019 len = 0;
1020
1021 percentile_object = json_create_object();
1022 json_object_add_value_object(tmp_object, "percentile", percentile_object);
1023 for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) {
1024 if (i >= len) {
1025 json_object_add_value_int(percentile_object, "0.00", 0);
1026 continue;
1027 }
435d195a 1028 snprintf(buf, sizeof(buf), "%f", ts->percentile_list[i].u.f);
cc372b17
SL
1029 json_object_add_value_int(percentile_object, (const char *)buf, ovals[i]);
1030 }
1031
513e37ee
VF
1032 if (output_format & FIO_OUTPUT_JSON_PLUS) {
1033 clat_bins_object = json_create_object();
1034 json_object_add_value_object(tmp_object, "bins", clat_bins_object);
1035 for(i = 0; i < FIO_IO_U_PLAT_NR; i++) {
129e4193
VF
1036 if (ts->io_u_plat[ddir][i]) {
1037 snprintf(buf, sizeof(buf), "%llu", plat_idx_to_val(i));
1038 json_object_add_value_int(clat_bins_object, (const char *)buf, ts->io_u_plat[ddir][i]);
1039 }
513e37ee 1040 }
513e37ee
VF
1041 }
1042
cc372b17
SL
1043 if (!calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev)) {
1044 min = max = 0;
1045 mean = dev = 0.0;
1046 }
1047 tmp_object = json_create_object();
d6bb626e 1048 json_object_add_value_object(dir_object, "lat_ns", tmp_object);
cc372b17
SL
1049 json_object_add_value_int(tmp_object, "min", min);
1050 json_object_add_value_int(tmp_object, "max", max);
1051 json_object_add_value_float(tmp_object, "mean", mean);
1052 json_object_add_value_float(tmp_object, "stddev", dev);
1053 if (ovals)
1054 free(ovals);
1055
b9e1b491 1056 if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) {
cc372b17 1057 if (rs->agg[ddir]) {
d1707474 1058 p_of_agg = mean * 100 / (double) (rs->agg[ddir] / 1024);
cc372b17
SL
1059 if (p_of_agg > 100.0)
1060 p_of_agg = 100.0;
1061 }
1062 } else {
1063 min = max = 0;
1064 p_of_agg = mean = dev = 0.0;
1065 }
1066 json_object_add_value_int(dir_object, "bw_min", min);
1067 json_object_add_value_int(dir_object, "bw_max", max);
a806bf2e 1068 json_object_add_value_float(dir_object, "bw_agg", p_of_agg);
cc372b17
SL
1069 json_object_add_value_float(dir_object, "bw_mean", mean);
1070 json_object_add_value_float(dir_object, "bw_dev", dev);
54c05828
AH
1071 json_object_add_value_int(dir_object, "bw_samples",
1072 (&ts->bw_stat[ddir])->samples);
188b6016
AH
1073
1074 if (!calc_lat(&ts->iops_stat[ddir], &min, &max, &mean, &dev)) {
1075 min = max = 0;
1076 mean = dev = 0.0;
1077 }
1078 json_object_add_value_int(dir_object, "iops_min", min);
1079 json_object_add_value_int(dir_object, "iops_max", max);
1080 json_object_add_value_float(dir_object, "iops_mean", mean);
1081 json_object_add_value_float(dir_object, "iops_stddev", dev);
54c05828
AH
1082 json_object_add_value_int(dir_object, "iops_samples",
1083 (&ts->iops_stat[ddir])->samples);
cc372b17
SL
1084}
1085
bef2112b
AH
1086static void show_thread_status_terse_all(struct thread_stat *ts,
1087 struct group_run_stats *rs, int ver,
1088 struct buf_output *out)
4d658652
JA
1089{
1090 double io_u_dist[FIO_IO_U_MAP_NR];
1091 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
1092 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
1093 double usr_cpu, sys_cpu;
1094 int i;
1095
1096 /* General Info */
bef2112b
AH
1097 if (ver == 2)
1098 log_buf(out, "2;%s;%d;%d", ts->name, ts->groupid, ts->error);
1099 else
1100 log_buf(out, "%d;%s;%s;%d;%d", ver, fio_version_string,
1101 ts->name, ts->groupid, ts->error);
c6ae0a5b 1102
562c2d2f 1103 /* Log Read Status */
a2c95580 1104 show_ddir_status_terse(ts, rs, DDIR_READ, ver, out);
562c2d2f 1105 /* Log Write Status */
a2c95580 1106 show_ddir_status_terse(ts, rs, DDIR_WRITE, ver, out);
6eaf09d6 1107 /* Log Trim Status */
a2c95580
AH
1108 if (ver == 2 || ver == 4 || ver == 5)
1109 show_ddir_status_terse(ts, rs, DDIR_TRIM, ver, out);
c6ae0a5b 1110
562c2d2f 1111 /* CPU Usage */
756867bd
JA
1112 if (ts->total_run_time) {
1113 double runt = (double) ts->total_run_time;
c6ae0a5b 1114
756867bd
JA
1115 usr_cpu = (double) ts->usr_time * 100 / runt;
1116 sys_cpu = (double) ts->sys_time * 100 / runt;
c6ae0a5b
JA
1117 } else {
1118 usr_cpu = 0;
1119 sys_cpu = 0;
1120 }
1121
a666cab8 1122 log_buf(out, ";%f%%;%f%%;%llu;%llu;%llu", usr_cpu, sys_cpu,
4e0a8fa2
JA
1123 (unsigned long long) ts->ctx,
1124 (unsigned long long) ts->majf,
1125 (unsigned long long) ts->minf);
2270890c 1126
562c2d2f 1127 /* Calc % distribution of IO depths, usecond, msecond latency */
d79db122 1128 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
247823cc 1129 stat_calc_lat_nu(ts, io_u_lat_u);
04a0feae 1130 stat_calc_lat_m(ts, io_u_lat_m);
2270890c 1131
562c2d2f 1132 /* Only show fixed 7 I/O depth levels*/
a666cab8 1133 log_buf(out, ";%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%",
5ec10eaa
JA
1134 io_u_dist[0], io_u_dist[1], io_u_dist[2], io_u_dist[3],
1135 io_u_dist[4], io_u_dist[5], io_u_dist[6]);
2270890c 1136
562c2d2f 1137 /* Microsecond latency */
04a0feae 1138 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++)
a666cab8 1139 log_buf(out, ";%3.2f%%", io_u_lat_u[i]);
562c2d2f 1140 /* Millisecond latency */
04a0feae 1141 for (i = 0; i < FIO_IO_U_LAT_M_NR; i++)
a666cab8 1142 log_buf(out, ";%3.2f%%", io_u_lat_m[i]);
f2f788dd
JA
1143
1144 /* disk util stats, if any */
bef2112b
AH
1145 if (ver >= 3)
1146 show_disk_util(1, NULL, out);
f2f788dd 1147
562c2d2f 1148 /* Additional output if continue_on_error set - default off*/
f2bba182 1149 if (ts->continue_on_error)
a666cab8 1150 log_buf(out, ";%llu;%d", (unsigned long long) ts->total_err_count, ts->first_error);
bef2112b
AH
1151 if (ver == 2)
1152 log_buf(out, "\n");
2270890c 1153
562c2d2f 1154 /* Additional output if description is set */
4b0f2258 1155 if (strlen(ts->description))
a666cab8 1156 log_buf(out, ";%s", ts->description);
946e4276 1157
a666cab8 1158 log_buf(out, "\n");
756867bd
JA
1159}
1160
a89ba4b1
JA
1161static void json_add_job_opts(struct json_object *root, const char *name,
1162 struct flist_head *opt_list, bool num_jobs)
66e19a38
JA
1163{
1164 struct json_object *dir_object;
1165 struct flist_head *entry;
1166 struct print_option *p;
1167
1168 if (flist_empty(opt_list))
1169 return;
1170
1171 dir_object = json_create_object();
1172 json_object_add_value_object(root, name, dir_object);
1173
1174 flist_for_each(entry, opt_list) {
1175 const char *pos = "";
1176
1177 p = flist_entry(entry, struct print_option, list);
876e1001
JA
1178 if (!num_jobs && !strcmp(p->name, "numjobs"))
1179 continue;
66e19a38
JA
1180 if (p->value)
1181 pos = p->value;
1182 json_object_add_value_string(dir_object, p->name, pos);
1183 }
1184}
1185
cc372b17 1186static struct json_object *show_thread_status_json(struct thread_stat *ts,
66e19a38
JA
1187 struct group_run_stats *rs,
1188 struct flist_head *opt_list)
cc372b17
SL
1189{
1190 struct json_object *root, *tmp;
b01af66b 1191 struct jobs_eta *je;
cc372b17 1192 double io_u_dist[FIO_IO_U_MAP_NR];
d6bb626e 1193 double io_u_lat_n[FIO_IO_U_LAT_N_NR];
cc372b17
SL
1194 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
1195 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
1196 double usr_cpu, sys_cpu;
1197 int i;
b01af66b
CJ
1198 size_t size;
1199
cc372b17
SL
1200 root = json_create_object();
1201 json_object_add_value_string(root, "jobname", ts->name);
1202 json_object_add_value_int(root, "groupid", ts->groupid);
1203 json_object_add_value_int(root, "error", ts->error);
1204
b01af66b 1205 /* ETA Info */
c5103619 1206 je = get_jobs_eta(true, &size);
2de615ad
JA
1207 if (je) {
1208 json_object_add_value_int(root, "eta", je->eta_sec);
1209 json_object_add_value_int(root, "elapsed", je->elapsed_sec);
1210 }
b01af66b 1211
66e19a38 1212 if (opt_list)
876e1001 1213 json_add_job_opts(root, "job options", opt_list, true);
66e19a38 1214
cc372b17
SL
1215 add_ddir_status_json(ts, rs, DDIR_READ, root);
1216 add_ddir_status_json(ts, rs, DDIR_WRITE, root);
f3afa57e 1217 add_ddir_status_json(ts, rs, DDIR_TRIM, root);
cc372b17
SL
1218
1219 /* CPU Usage */
1220 if (ts->total_run_time) {
1221 double runt = (double) ts->total_run_time;
1222
1223 usr_cpu = (double) ts->usr_time * 100 / runt;
1224 sys_cpu = (double) ts->sys_time * 100 / runt;
1225 } else {
1226 usr_cpu = 0;
1227 sys_cpu = 0;
1228 }
1229 json_object_add_value_float(root, "usr_cpu", usr_cpu);
1230 json_object_add_value_float(root, "sys_cpu", sys_cpu);
1231 json_object_add_value_int(root, "ctx", ts->ctx);
1232 json_object_add_value_int(root, "majf", ts->majf);
1233 json_object_add_value_int(root, "minf", ts->minf);
1234
1235
1236 /* Calc % distribution of IO depths, usecond, msecond latency */
d79db122 1237 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
d6bb626e 1238 stat_calc_lat_n(ts, io_u_lat_n);
cc372b17
SL
1239 stat_calc_lat_u(ts, io_u_lat_u);
1240 stat_calc_lat_m(ts, io_u_lat_m);
1241
1242 tmp = json_create_object();
1243 json_object_add_value_object(root, "iodepth_level", tmp);
1244 /* Only show fixed 7 I/O depth levels*/
1245 for (i = 0; i < 7; i++) {
1246 char name[20];
1247 if (i < 6)
98ffb8f3 1248 snprintf(name, 20, "%d", 1 << i);
cc372b17 1249 else
98ffb8f3 1250 snprintf(name, 20, ">=%d", 1 << i);
cc372b17
SL
1251 json_object_add_value_float(tmp, (const char *)name, io_u_dist[i]);
1252 }
1253
d6bb626e 1254 /* Nanosecond latency */
cc372b17 1255 tmp = json_create_object();
d6bb626e
VF
1256 json_object_add_value_object(root, "latency_ns", tmp);
1257 for (i = 0; i < FIO_IO_U_LAT_N_NR; i++) {
1258 const char *ranges[] = { "2", "4", "10", "20", "50", "100",
1259 "250", "500", "750", "1000", };
1260 json_object_add_value_float(tmp, ranges[i], io_u_lat_n[i]);
1261 }
cc372b17 1262 /* Microsecond latency */
d6bb626e
VF
1263 tmp = json_create_object();
1264 json_object_add_value_object(root, "latency_us", tmp);
cc372b17
SL
1265 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) {
1266 const char *ranges[] = { "2", "4", "10", "20", "50", "100",
1267 "250", "500", "750", "1000", };
1268 json_object_add_value_float(tmp, ranges[i], io_u_lat_u[i]);
1269 }
1270 /* Millisecond latency */
1271 tmp = json_create_object();
1272 json_object_add_value_object(root, "latency_ms", tmp);
1273 for (i = 0; i < FIO_IO_U_LAT_M_NR; i++) {
1274 const char *ranges[] = { "2", "4", "10", "20", "50", "100",
1275 "250", "500", "750", "1000", "2000",
1276 ">=2000", };
1277 json_object_add_value_float(tmp, ranges[i], io_u_lat_m[i]);
1278 }
1279
1280 /* Additional output if continue_on_error set - default off*/
1281 if (ts->continue_on_error) {
1282 json_object_add_value_int(root, "total_err", ts->total_err_count);
952b05e0 1283 json_object_add_value_int(root, "first_error", ts->first_error);
cc372b17
SL
1284 }
1285
3e260a46
JA
1286 if (ts->latency_depth) {
1287 json_object_add_value_int(root, "latency_depth", ts->latency_depth);
1288 json_object_add_value_int(root, "latency_target", ts->latency_target);
1289 json_object_add_value_float(root, "latency_percentile", ts->latency_percentile.u.f);
1290 json_object_add_value_int(root, "latency_window", ts->latency_window);
1291 }
1292
cc372b17
SL
1293 /* Additional output if description is set */
1294 if (strlen(ts->description))
1295 json_object_add_value_string(root, "desc", ts->description);
1296
66347cfa
DE
1297 if (ts->nr_block_infos) {
1298 /* Block error histogram and types */
1299 int len;
1300 unsigned int *percentiles = NULL;
1301 unsigned int block_state_counts[BLOCK_STATE_COUNT];
1302
1303 len = calc_block_percentiles(ts->nr_block_infos, ts->block_infos,
1304 ts->percentile_list,
1305 &percentiles, block_state_counts);
1306
1307 if (len) {
1308 struct json_object *block, *percentile_object, *states;
8a68c41c 1309 int state;
66347cfa
DE
1310 block = json_create_object();
1311 json_object_add_value_object(root, "block", block);
1312
1313 percentile_object = json_create_object();
1314 json_object_add_value_object(block, "percentiles",
1315 percentile_object);
1316 for (i = 0; i < len; i++) {
1317 char buf[20];
1318 snprintf(buf, sizeof(buf), "%f",
1319 ts->percentile_list[i].u.f);
1320 json_object_add_value_int(percentile_object,
1321 (const char *)buf,
1322 percentiles[i]);
1323 }
1324
1325 states = json_create_object();
1326 json_object_add_value_object(block, "states", states);
1327 for (state = 0; state < BLOCK_STATE_COUNT; state++) {
1328 json_object_add_value_int(states,
1329 block_state_names[state],
1330 block_state_counts[state]);
1331 }
1332 free(percentiles);
1333 }
1334 }
1335
bb49c8bd 1336 if (ts->ss_dur) {
ba8fb6f6
VF
1337 struct json_object *data;
1338 struct json_array *iops, *bw;
412c7d91 1339 int i, j, k;
6da94b07 1340 char ss_buf[64];
16e56d25 1341
6da94b07 1342 snprintf(ss_buf, sizeof(ss_buf), "%s%s:%f%s",
bb49c8bd
VF
1343 ts->ss_state & __FIO_SS_IOPS ? "iops" : "bw",
1344 ts->ss_state & __FIO_SS_SLOPE ? "_slope" : "",
1345 (float) ts->ss_limit.u.f,
1346 ts->ss_state & __FIO_SS_PCT ? "%" : "");
16e56d25
VF
1347
1348 tmp = json_create_object();
1349 json_object_add_value_object(root, "steadystate", tmp);
6da94b07 1350 json_object_add_value_string(tmp, "ss", ss_buf);
bb49c8bd
VF
1351 json_object_add_value_int(tmp, "duration", (int)ts->ss_dur);
1352 json_object_add_value_int(tmp, "attained", (ts->ss_state & __FIO_SS_ATTAINED) > 0);
6da94b07 1353
bb49c8bd
VF
1354 snprintf(ss_buf, sizeof(ss_buf), "%f%s", (float) ts->ss_criterion.u.f,
1355 ts->ss_state & __FIO_SS_PCT ? "%" : "");
6da94b07 1356 json_object_add_value_string(tmp, "criterion", ss_buf);
bb49c8bd
VF
1357 json_object_add_value_float(tmp, "max_deviation", ts->ss_deviation.u.f);
1358 json_object_add_value_float(tmp, "slope", ts->ss_slope.u.f);
ba8fb6f6
VF
1359
1360 data = json_create_object();
1361 json_object_add_value_object(tmp, "data", data);
1362 bw = json_create_array();
1363 iops = json_create_array();
412c7d91
VF
1364
1365 /*
1366 ** if ss was attained or the buffer is not full,
1367 ** ss->head points to the first element in the list.
1368 ** otherwise it actually points to the second element
1369 ** in the list
1370 */
17df7023 1371 if ((ts->ss_state & __FIO_SS_ATTAINED) || !(ts->ss_state & __FIO_SS_BUFFER_FULL))
bb49c8bd 1372 j = ts->ss_head;
412c7d91 1373 else
bb49c8bd
VF
1374 j = ts->ss_head == 0 ? ts->ss_dur - 1 : ts->ss_head - 1;
1375 for (i = 0; i < ts->ss_dur; i++) {
1376 k = (j + i) % ts->ss_dur;
1377 json_array_add_value_int(bw, ts->ss_bw_data[k]);
1378 json_array_add_value_int(iops, ts->ss_iops_data[k]);
16e56d25 1379 }
bb49c8bd
VF
1380 json_object_add_value_int(data, "bw_mean", steadystate_bw_mean(ts));
1381 json_object_add_value_int(data, "iops_mean", steadystate_iops_mean(ts));
6da94b07
VF
1382 json_object_add_value_array(data, "iops", iops);
1383 json_object_add_value_array(data, "bw", bw);
16e56d25
VF
1384 }
1385
cc372b17
SL
1386 return root;
1387}
1388
4d658652 1389static void show_thread_status_terse(struct thread_stat *ts,
a666cab8
JA
1390 struct group_run_stats *rs,
1391 struct buf_output *out)
4d658652 1392{
a2c95580 1393 if (terse_version >= 2 && terse_version <= 5)
bef2112b 1394 show_thread_status_terse_all(ts, rs, terse_version, out);
4d658652
JA
1395 else
1396 log_err("fio: bad terse version!? %d\n", terse_version);
1397}
1398
952b05e0 1399struct json_object *show_thread_status(struct thread_stat *ts,
a666cab8 1400 struct group_run_stats *rs,
0279b880 1401 struct flist_head *opt_list,
a666cab8 1402 struct buf_output *out)
952b05e0 1403{
129fb2d4
JA
1404 struct json_object *ret = NULL;
1405
1406 if (output_format & FIO_OUTPUT_TERSE)
a666cab8 1407 show_thread_status_terse(ts, rs, out);
129fb2d4 1408 if (output_format & FIO_OUTPUT_JSON)
0279b880 1409 ret = show_thread_status_json(ts, rs, opt_list);
129fb2d4 1410 if (output_format & FIO_OUTPUT_NORMAL)
a666cab8 1411 show_thread_status_normal(ts, rs, out);
129fb2d4
JA
1412
1413 return ret;
952b05e0
CF
1414}
1415
fd595830 1416static void sum_stat(struct io_stat *dst, struct io_stat *src, bool first)
756867bd
JA
1417{
1418 double mean, S;
1419
e09231c2
ZL
1420 if (src->samples == 0)
1421 return;
1422
756867bd
JA
1423 dst->min_val = min(dst->min_val, src->min_val);
1424 dst->max_val = max(dst->max_val, src->max_val);
756867bd
JA
1425
1426 /*
cdcac5cf
YH
1427 * Compute new mean and S after the merge
1428 * <http://en.wikipedia.org/wiki/Algorithms_for_calculating_variance
1429 * #Parallel_algorithm>
756867bd 1430 */
fd595830 1431 if (first) {
802ad4a8
JA
1432 mean = src->mean.u.f;
1433 S = src->S.u.f;
756867bd 1434 } else {
802ad4a8 1435 double delta = src->mean.u.f - dst->mean.u.f;
cdcac5cf 1436
802ad4a8
JA
1437 mean = ((src->mean.u.f * src->samples) +
1438 (dst->mean.u.f * dst->samples)) /
cdcac5cf
YH
1439 (dst->samples + src->samples);
1440
802ad4a8 1441 S = src->S.u.f + dst->S.u.f + pow(delta, 2.0) *
cdcac5cf
YH
1442 (dst->samples * src->samples) /
1443 (dst->samples + src->samples);
756867bd
JA
1444 }
1445
cdcac5cf 1446 dst->samples += src->samples;
802ad4a8
JA
1447 dst->mean.u.f = mean;
1448 dst->S.u.f = S;
756867bd
JA
1449}
1450
37f0c1ae
JA
1451void sum_group_stats(struct group_run_stats *dst, struct group_run_stats *src)
1452{
1453 int i;
1454
6eaf09d6 1455 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
37f0c1ae
JA
1456 if (dst->max_run[i] < src->max_run[i])
1457 dst->max_run[i] = src->max_run[i];
1458 if (dst->min_run[i] && dst->min_run[i] > src->min_run[i])
1459 dst->min_run[i] = src->min_run[i];
1460 if (dst->max_bw[i] < src->max_bw[i])
1461 dst->max_bw[i] = src->max_bw[i];
1462 if (dst->min_bw[i] && dst->min_bw[i] > src->min_bw[i])
1463 dst->min_bw[i] = src->min_bw[i];
1464
af7f87cb 1465 dst->iobytes[i] += src->iobytes[i];
37f0c1ae
JA
1466 dst->agg[i] += src->agg[i];
1467 }
1468
dbae1bd6
JA
1469 if (!dst->kb_base)
1470 dst->kb_base = src->kb_base;
1471 if (!dst->unit_base)
1472 dst->unit_base = src->unit_base;
37f0c1ae
JA
1473}
1474
fd595830
JA
1475void sum_thread_stats(struct thread_stat *dst, struct thread_stat *src,
1476 bool first)
5b9babb7
JA
1477{
1478 int l, k;
1479
6eaf09d6 1480 for (l = 0; l < DDIR_RWDIR_CNT; l++) {
771e58be 1481 if (!dst->unified_rw_rep) {
fd595830
JA
1482 sum_stat(&dst->clat_stat[l], &src->clat_stat[l], first);
1483 sum_stat(&dst->slat_stat[l], &src->slat_stat[l], first);
1484 sum_stat(&dst->lat_stat[l], &src->lat_stat[l], first);
1485 sum_stat(&dst->bw_stat[l], &src->bw_stat[l], first);
188b6016 1486 sum_stat(&dst->iops_stat[l], &src->iops_stat[l], first);
771e58be
JA
1487
1488 dst->io_bytes[l] += src->io_bytes[l];
1489
1490 if (dst->runtime[l] < src->runtime[l])
1491 dst->runtime[l] = src->runtime[l];
1492 } else {
fd595830
JA
1493 sum_stat(&dst->clat_stat[0], &src->clat_stat[l], first);
1494 sum_stat(&dst->slat_stat[0], &src->slat_stat[l], first);
1495 sum_stat(&dst->lat_stat[0], &src->lat_stat[l], first);
1496 sum_stat(&dst->bw_stat[0], &src->bw_stat[l], first);
188b6016 1497 sum_stat(&dst->iops_stat[0], &src->iops_stat[l], first);
771e58be
JA
1498
1499 dst->io_bytes[0] += src->io_bytes[l];
1500
1501 if (dst->runtime[0] < src->runtime[l])
1502 dst->runtime[0] = src->runtime[l];
fd595830
JA
1503
1504 /*
1505 * We're summing to the same destination, so override
1506 * 'first' after the first iteration of the loop
1507 */
1508 first = false;
771e58be 1509 }
5b9babb7
JA
1510 }
1511
1512 dst->usr_time += src->usr_time;
1513 dst->sys_time += src->sys_time;
1514 dst->ctx += src->ctx;
1515 dst->majf += src->majf;
1516 dst->minf += src->minf;
1517
1518 for (k = 0; k < FIO_IO_U_MAP_NR; k++)
1519 dst->io_u_map[k] += src->io_u_map[k];
1520 for (k = 0; k < FIO_IO_U_MAP_NR; k++)
1521 dst->io_u_submit[k] += src->io_u_submit[k];
1522 for (k = 0; k < FIO_IO_U_MAP_NR; k++)
1523 dst->io_u_complete[k] += src->io_u_complete[k];
d6bb626e
VF
1524 for (k = 0; k < FIO_IO_U_LAT_N_NR; k++)
1525 dst->io_u_lat_n[k] += src->io_u_lat_n[k];
5b9babb7
JA
1526 for (k = 0; k < FIO_IO_U_LAT_U_NR; k++)
1527 dst->io_u_lat_u[k] += src->io_u_lat_u[k];
1528 for (k = 0; k < FIO_IO_U_LAT_M_NR; k++)
1529 dst->io_u_lat_m[k] += src->io_u_lat_m[k];
1530
6eaf09d6 1531 for (k = 0; k < DDIR_RWDIR_CNT; k++) {
771e58be
JA
1532 if (!dst->unified_rw_rep) {
1533 dst->total_io_u[k] += src->total_io_u[k];
1534 dst->short_io_u[k] += src->short_io_u[k];
3bcb9d94 1535 dst->drop_io_u[k] += src->drop_io_u[k];
771e58be
JA
1536 } else {
1537 dst->total_io_u[0] += src->total_io_u[k];
1538 dst->short_io_u[0] += src->short_io_u[k];
3bcb9d94 1539 dst->drop_io_u[0] += src->drop_io_u[k];
771e58be 1540 }
5b9babb7
JA
1541 }
1542
6eaf09d6 1543 for (k = 0; k < DDIR_RWDIR_CNT; k++) {
5b9babb7 1544 int m;
771e58be
JA
1545
1546 for (m = 0; m < FIO_IO_U_PLAT_NR; m++) {
1547 if (!dst->unified_rw_rep)
1548 dst->io_u_plat[k][m] += src->io_u_plat[k][m];
1549 else
1550 dst->io_u_plat[0][m] += src->io_u_plat[k][m];
1551 }
5b9babb7
JA
1552 }
1553
1554 dst->total_run_time += src->total_run_time;
1555 dst->total_submit += src->total_submit;
1556 dst->total_complete += src->total_complete;
1557}
1558
37f0c1ae
JA
1559void init_group_run_stat(struct group_run_stats *gs)
1560{
6eaf09d6 1561 int i;
37f0c1ae 1562 memset(gs, 0, sizeof(*gs));
6eaf09d6
SL
1563
1564 for (i = 0; i < DDIR_RWDIR_CNT; i++)
1565 gs->min_bw[i] = gs->min_run[i] = ~0UL;
37f0c1ae
JA
1566}
1567
1568void init_thread_stat(struct thread_stat *ts)
1569{
1570 int j;
1571
1572 memset(ts, 0, sizeof(*ts));
1573
6eaf09d6 1574 for (j = 0; j < DDIR_RWDIR_CNT; j++) {
37f0c1ae
JA
1575 ts->lat_stat[j].min_val = -1UL;
1576 ts->clat_stat[j].min_val = -1UL;
1577 ts->slat_stat[j].min_val = -1UL;
1578 ts->bw_stat[j].min_val = -1UL;
188b6016 1579 ts->iops_stat[j].min_val = -1UL;
37f0c1ae
JA
1580 }
1581 ts->groupid = -1;
1582}
1583
83f7b64e 1584void __show_run_stats(void)
3c39a379
JA
1585{
1586 struct group_run_stats *runstats, *rs;
1587 struct thread_data *td;
756867bd 1588 struct thread_stat *threadstats, *ts;
4da24b69 1589 int i, j, k, nr_ts, last_ts, idx;
90fef2d1 1590 int kb_base_warned = 0;
ad705bcb 1591 int unit_base_warned = 0;
cc372b17
SL
1592 struct json_object *root = NULL;
1593 struct json_array *array = NULL;
a666cab8 1594 struct buf_output output[FIO_OUTPUT_NR];
66e19a38 1595 struct flist_head **opt_lists;
a666cab8 1596
3c39a379
JA
1597 runstats = malloc(sizeof(struct group_run_stats) * (groupid + 1));
1598
37f0c1ae
JA
1599 for (i = 0; i < groupid + 1; i++)
1600 init_group_run_stat(&runstats[i]);
3c39a379 1601
756867bd
JA
1602 /*
1603 * find out how many threads stats we need. if group reporting isn't
1604 * enabled, it's one-per-td.
1605 */
1606 nr_ts = 0;
1607 last_ts = -1;
1608 for_each_td(td, i) {
2dc1bbeb 1609 if (!td->o.group_reporting) {
756867bd
JA
1610 nr_ts++;
1611 continue;
1612 }
1613 if (last_ts == td->groupid)
1614 continue;
8243be59
JA
1615 if (!td->o.stats)
1616 continue;
756867bd
JA
1617
1618 last_ts = td->groupid;
1619 nr_ts++;
1620 }
1621
1622 threadstats = malloc(nr_ts * sizeof(struct thread_stat));
66e19a38 1623 opt_lists = malloc(nr_ts * sizeof(struct flist_head *));
756867bd 1624
66e19a38 1625 for (i = 0; i < nr_ts; i++) {
37f0c1ae 1626 init_thread_stat(&threadstats[i]);
66e19a38
JA
1627 opt_lists[i] = NULL;
1628 }
756867bd
JA
1629
1630 j = 0;
1631 last_ts = -1;
197574e4 1632 idx = 0;
34572e28 1633 for_each_td(td, i) {
8243be59
JA
1634 if (!td->o.stats)
1635 continue;
2dc1bbeb
JA
1636 if (idx && (!td->o.group_reporting ||
1637 (td->o.group_reporting && last_ts != td->groupid))) {
7abd0e3a
JA
1638 idx = 0;
1639 j++;
1640 }
1641
1642 last_ts = td->groupid;
1643
756867bd
JA
1644 ts = &threadstats[j];
1645
83349190 1646 ts->clat_percentiles = td->o.clat_percentiles;
435d195a 1647 ts->percentile_precision = td->o.percentile_precision;
fd112d34 1648 memcpy(ts->percentile_list, td->o.percentile_list, sizeof(td->o.percentile_list));
66e19a38 1649 opt_lists[j] = &td->opt_list;
83349190 1650
197574e4 1651 idx++;
6586ee89 1652 ts->members++;
756867bd 1653
7abd0e3a 1654 if (ts->groupid == -1) {
2dc84ba7
JA
1655 /*
1656 * These are per-group shared already
1657 */
4e59d0f3 1658 strncpy(ts->name, td->o.name, FIO_JOBNAME_SIZE - 1);
a64e88da
JA
1659 if (td->o.description)
1660 strncpy(ts->description, td->o.description,
4e59d0f3 1661 FIO_JOBDESC_SIZE - 1);
a64e88da 1662 else
4e59d0f3 1663 memset(ts->description, 0, FIO_JOBDESC_SIZE);
a64e88da 1664
2f122b13
JA
1665 /*
1666 * If multiple entries in this group, this is
1667 * the first member.
1668 */
1669 ts->thread_number = td->thread_number;
756867bd 1670 ts->groupid = td->groupid;
2dc84ba7
JA
1671
1672 /*
1673 * first pid in group, not very useful...
1674 */
756867bd 1675 ts->pid = td->pid;
90fef2d1
JA
1676
1677 ts->kb_base = td->o.kb_base;
ad705bcb 1678 ts->unit_base = td->o.unit_base;
771e58be 1679 ts->unified_rw_rep = td->o.unified_rw_rep;
90fef2d1
JA
1680 } else if (ts->kb_base != td->o.kb_base && !kb_base_warned) {
1681 log_info("fio: kb_base differs for jobs in group, using"
1682 " %u as the base\n", ts->kb_base);
1683 kb_base_warned = 1;
ad705bcb
SN
1684 } else if (ts->unit_base != td->o.unit_base && !unit_base_warned) {
1685 log_info("fio: unit_base differs for jobs in group, using"
1686 " %u as the base\n", ts->unit_base);
1687 unit_base_warned = 1;
2dc84ba7
JA
1688 }
1689
f2bba182
RR
1690 ts->continue_on_error = td->o.continue_on_error;
1691 ts->total_err_count += td->total_err_count;
1692 ts->first_error = td->first_error;
1693 if (!ts->error) {
1694 if (!td->error && td->o.continue_on_error &&
1695 td->first_error) {
1696 ts->error = td->first_error;
3660ceae
JA
1697 ts->verror[sizeof(ts->verror) - 1] = '\0';
1698 strncpy(ts->verror, td->verror, sizeof(ts->verror) - 1);
f2bba182
RR
1699 } else if (td->error) {
1700 ts->error = td->error;
3660ceae
JA
1701 ts->verror[sizeof(ts->verror) - 1] = '\0';
1702 strncpy(ts->verror, td->verror, sizeof(ts->verror) - 1);
f2bba182 1703 }
756867bd
JA
1704 }
1705
3e260a46
JA
1706 ts->latency_depth = td->latency_qd;
1707 ts->latency_target = td->o.latency_target;
1708 ts->latency_percentile = td->o.latency_percentile;
1709 ts->latency_window = td->o.latency_window;
1710
0e4dd95c 1711 ts->nr_block_infos = td->ts.nr_block_infos;
4da24b69
JA
1712 for (k = 0; k < ts->nr_block_infos; k++)
1713 ts->block_infos[k] = td->ts.block_infos[k];
0e4dd95c 1714
fd595830 1715 sum_thread_stats(ts, &td->ts, idx == 1);
16e56d25 1716
bb49c8bd
VF
1717 if (td->o.ss_dur) {
1718 ts->ss_state = td->ss.state;
1719 ts->ss_dur = td->ss.dur;
1720 ts->ss_head = td->ss.head;
bb49c8bd
VF
1721 ts->ss_bw_data = td->ss.bw_data;
1722 ts->ss_iops_data = td->ss.iops_data;
1723 ts->ss_limit.u.f = td->ss.limit;
1724 ts->ss_slope.u.f = td->ss.slope;
1725 ts->ss_deviation.u.f = td->ss.deviation;
1726 ts->ss_criterion.u.f = td->ss.criterion;
1727 }
16e56d25 1728 else
bb49c8bd 1729 ts->ss_dur = ts->ss_state = 0;
756867bd
JA
1730 }
1731
1732 for (i = 0; i < nr_ts; i++) {
94370ac4 1733 unsigned long long bw;
3c39a379 1734
756867bd 1735 ts = &threadstats[i];
dedb88eb
JA
1736 if (ts->groupid == -1)
1737 continue;
756867bd 1738 rs = &runstats[ts->groupid];
90fef2d1 1739 rs->kb_base = ts->kb_base;
ad705bcb 1740 rs->unit_base = ts->unit_base;
771e58be 1741 rs->unified_rw_rep += ts->unified_rw_rep;
3c39a379 1742
6eaf09d6 1743 for (j = 0; j < DDIR_RWDIR_CNT; j++) {
94370ac4
JA
1744 if (!ts->runtime[j])
1745 continue;
1746 if (ts->runtime[j] < rs->min_run[j] || !rs->min_run[j])
1747 rs->min_run[j] = ts->runtime[j];
1748 if (ts->runtime[j] > rs->max_run[j])
1749 rs->max_run[j] = ts->runtime[j];
1750
1751 bw = 0;
af7f87cb
RE
1752 if (ts->runtime[j])
1753 bw = ts->io_bytes[j] * 1000 / ts->runtime[j];
94370ac4
JA
1754 if (bw < rs->min_bw[j])
1755 rs->min_bw[j] = bw;
1756 if (bw > rs->max_bw[j])
1757 rs->max_bw[j] = bw;
1758
af7f87cb 1759 rs->iobytes[j] += ts->io_bytes[j];
94370ac4 1760 }
3c39a379
JA
1761 }
1762
1763 for (i = 0; i < groupid + 1; i++) {
6eaf09d6
SL
1764 int ddir;
1765
3c39a379
JA
1766 rs = &runstats[i];
1767
6eaf09d6
SL
1768 for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++) {
1769 if (rs->max_run[ddir])
af7f87cb 1770 rs->agg[ddir] = (rs->iobytes[ddir] * 1000) /
6eaf09d6
SL
1771 rs->max_run[ddir];
1772 }
3c39a379
JA
1773 }
1774
a666cab8 1775 for (i = 0; i < FIO_OUTPUT_NR; i++)
e250c0a9 1776 buf_output_init(&output[i]);
a666cab8 1777
3c39a379
JA
1778 /*
1779 * don't overwrite last signal output
1780 */
129fb2d4 1781 if (output_format & FIO_OUTPUT_NORMAL)
a666cab8 1782 log_buf(&output[__FIO_OUTPUT_NORMAL], "\n");
129fb2d4 1783 if (output_format & FIO_OUTPUT_JSON) {
66e19a38 1784 struct thread_data *global;
35326842 1785 char time_buf[32];
aa7d2ef0
RH
1786 struct timeval now;
1787 unsigned long long ms_since_epoch;
91e53870 1788
aa7d2ef0
RH
1789 gettimeofday(&now, NULL);
1790 ms_since_epoch = (unsigned long long)(now.tv_sec) * 1000 +
1791 (unsigned long long)(now.tv_usec) / 1000;
1792
1793 os_ctime_r((const time_t *) &now.tv_sec, time_buf,
91e53870 1794 sizeof(time_buf));
1d272416
JA
1795 if (time_buf[strlen(time_buf) - 1] == '\n')
1796 time_buf[strlen(time_buf) - 1] = '\0';
91e53870 1797
cc372b17
SL
1798 root = json_create_object();
1799 json_object_add_value_string(root, "fio version", fio_version_string);
aa7d2ef0
RH
1800 json_object_add_value_int(root, "timestamp", now.tv_sec);
1801 json_object_add_value_int(root, "timestamp_ms", ms_since_epoch);
91e53870 1802 json_object_add_value_string(root, "time", time_buf);
66e19a38 1803 global = get_global_options();
876e1001 1804 json_add_job_opts(root, "global options", &global->opt_list, false);
cc372b17
SL
1805 array = json_create_array();
1806 json_object_add_value_array(root, "jobs", array);
1807 }
3c39a379 1808
0279b880
JA
1809 if (is_backend)
1810 fio_server_send_job_options(&get_global_options()->opt_list, -1U);
1811
756867bd
JA
1812 for (i = 0; i < nr_ts; i++) {
1813 ts = &threadstats[i];
1814 rs = &runstats[ts->groupid];
3c39a379 1815
0279b880
JA
1816 if (is_backend) {
1817 fio_server_send_job_options(opt_lists[i], i);
a64e88da 1818 fio_server_send_ts(ts, rs);
0279b880 1819 } else {
129fb2d4 1820 if (output_format & FIO_OUTPUT_TERSE)
a666cab8 1821 show_thread_status_terse(ts, rs, &output[__FIO_OUTPUT_TERSE]);
129fb2d4 1822 if (output_format & FIO_OUTPUT_JSON) {
66e19a38 1823 struct json_object *tmp = show_thread_status_json(ts, rs, opt_lists[i]);
129fb2d4
JA
1824 json_array_add_value_object(array, tmp);
1825 }
1826 if (output_format & FIO_OUTPUT_NORMAL)
a666cab8 1827 show_thread_status_normal(ts, rs, &output[__FIO_OUTPUT_NORMAL]);
129fb2d4 1828 }
3c39a379 1829 }
ab34ddd1 1830 if (!is_backend && (output_format & FIO_OUTPUT_JSON)) {
cc372b17 1831 /* disk util stats, if any */
a666cab8 1832 show_disk_util(1, root, &output[__FIO_OUTPUT_JSON]);
cc372b17 1833
a666cab8 1834 show_idle_prof_stats(FIO_OUTPUT_JSON, root, &output[__FIO_OUTPUT_JSON]);
f2a2ce0e 1835
a666cab8
JA
1836 json_print_object(root, &output[__FIO_OUTPUT_JSON]);
1837 log_buf(&output[__FIO_OUTPUT_JSON], "\n");
cc372b17
SL
1838 json_free_object(root);
1839 }
3c39a379 1840
72c27ff8
JA
1841 for (i = 0; i < groupid + 1; i++) {
1842 rs = &runstats[i];
3c39a379 1843
72c27ff8 1844 rs->groupid = i;
d09a64a0 1845 if (is_backend)
72c27ff8 1846 fio_server_send_gs(rs);
129fb2d4 1847 else if (output_format & FIO_OUTPUT_NORMAL)
a666cab8 1848 show_group_stats(rs, &output[__FIO_OUTPUT_NORMAL]);
c6ae0a5b 1849 }
eecf272f 1850
72c27ff8
JA
1851 if (is_backend)
1852 fio_server_send_du();
129fb2d4 1853 else if (output_format & FIO_OUTPUT_NORMAL) {
a666cab8
JA
1854 show_disk_util(0, NULL, &output[__FIO_OUTPUT_NORMAL]);
1855 show_idle_prof_stats(FIO_OUTPUT_NORMAL, NULL, &output[__FIO_OUTPUT_NORMAL]);
60904003 1856 }
f2a2ce0e 1857
3d57c0e9 1858 for (i = 0; i < FIO_OUTPUT_NR; i++) {
3dc3aa41 1859 struct buf_output *out = &output[i];
8dd0eca3 1860
3dc3aa41 1861 log_info_buf(out->buf, out->buflen);
3dc3aa41 1862 buf_output_free(out);
3d57c0e9 1863 }
2b8c71b0 1864
fdd5f15f 1865 log_info_flush();
eecf272f 1866 free(runstats);
756867bd 1867 free(threadstats);
66e19a38 1868 free(opt_lists);
3c39a379
JA
1869}
1870
cef9175e
JA
1871void show_run_stats(void)
1872{
1873 fio_mutex_down(stat_mutex);
1874 __show_run_stats();
1875 fio_mutex_up(stat_mutex);
1876}
1877
5ddc6707 1878void __show_running_run_stats(void)
b852e7cf
JA
1879{
1880 struct thread_data *td;
1881 unsigned long long *rt;
8b6a404c 1882 struct timespec ts;
b852e7cf
JA
1883 int i;
1884
90811930
JA
1885 fio_mutex_down(stat_mutex);
1886
b852e7cf 1887 rt = malloc(thread_number * sizeof(unsigned long long));
8b6a404c 1888 fio_gettime(&ts, NULL);
b852e7cf
JA
1889
1890 for_each_td(td, i) {
c97f1ad6 1891 td->update_rusage = 1;
6eaf09d6
SL
1892 td->ts.io_bytes[DDIR_READ] = td->io_bytes[DDIR_READ];
1893 td->ts.io_bytes[DDIR_WRITE] = td->io_bytes[DDIR_WRITE];
1894 td->ts.io_bytes[DDIR_TRIM] = td->io_bytes[DDIR_TRIM];
8b6a404c 1895 td->ts.total_run_time = mtime_since(&td->epoch, &ts);
6c041a88 1896
8b6a404c 1897 rt[i] = mtime_since(&td->start, &ts);
6c041a88 1898 if (td_read(td) && td->ts.io_bytes[DDIR_READ])
1899 td->ts.runtime[DDIR_READ] += rt[i];
1900 if (td_write(td) && td->ts.io_bytes[DDIR_WRITE])
1901 td->ts.runtime[DDIR_WRITE] += rt[i];
1902 if (td_trim(td) && td->ts.io_bytes[DDIR_TRIM])
1903 td->ts.runtime[DDIR_TRIM] += rt[i];
b852e7cf
JA
1904 }
1905
c97f1ad6 1906 for_each_td(td, i) {
fda2cfac
JA
1907 if (td->runstate >= TD_EXITED)
1908 continue;
c97f1ad6
JA
1909 if (td->rusage_sem) {
1910 td->update_rusage = 1;
1911 fio_mutex_down(td->rusage_sem);
1912 }
1913 td->update_rusage = 0;
1914 }
1915
cef9175e 1916 __show_run_stats();
b852e7cf
JA
1917
1918 for_each_td(td, i) {
6c041a88 1919 if (td_read(td) && td->ts.io_bytes[DDIR_READ])
b852e7cf 1920 td->ts.runtime[DDIR_READ] -= rt[i];
6c041a88 1921 if (td_write(td) && td->ts.io_bytes[DDIR_WRITE])
b852e7cf 1922 td->ts.runtime[DDIR_WRITE] -= rt[i];
6c041a88 1923 if (td_trim(td) && td->ts.io_bytes[DDIR_TRIM])
6eaf09d6 1924 td->ts.runtime[DDIR_TRIM] -= rt[i];
b852e7cf
JA
1925 }
1926
1927 free(rt);
cef9175e 1928 fio_mutex_up(stat_mutex);
b852e7cf
JA
1929}
1930
06464907 1931static int status_interval_init;
8b6a404c 1932static struct timespec status_time;
77d99675 1933static int status_file_disabled;
06464907 1934
dac45f23 1935#define FIO_STATUS_FILE "fio-dump-status"
06464907
JA
1936
1937static int check_status_file(void)
1938{
1939 struct stat sb;
a0bafb7d
BC
1940 const char *temp_dir;
1941 char fio_status_file_path[PATH_MAX];
06464907 1942
77d99675
JA
1943 if (status_file_disabled)
1944 return 0;
1945
a0bafb7d 1946 temp_dir = getenv("TMPDIR");
48b16e27 1947 if (temp_dir == NULL) {
a0bafb7d 1948 temp_dir = getenv("TEMP");
48b16e27
JA
1949 if (temp_dir && strlen(temp_dir) >= PATH_MAX)
1950 temp_dir = NULL;
1951 }
a0bafb7d
BC
1952 if (temp_dir == NULL)
1953 temp_dir = "/tmp";
1954
1955 snprintf(fio_status_file_path, sizeof(fio_status_file_path), "%s/%s", temp_dir, FIO_STATUS_FILE);
1956
1957 if (stat(fio_status_file_path, &sb))
06464907
JA
1958 return 0;
1959
77d99675
JA
1960 if (unlink(fio_status_file_path) < 0) {
1961 log_err("fio: failed to unlink %s: %s\n", fio_status_file_path,
1962 strerror(errno));
1963 log_err("fio: disabling status file updates\n");
1964 status_file_disabled = 1;
1965 }
1966
06464907
JA
1967 return 1;
1968}
1969
1970void check_for_running_stats(void)
1971{
1972 if (status_interval) {
1973 if (!status_interval_init) {
1974 fio_gettime(&status_time, NULL);
1975 status_interval_init = 1;
1976 } else if (mtime_since_now(&status_time) >= status_interval) {
1977 show_running_run_stats();
1978 fio_gettime(&status_time, NULL);
1979 return;
1980 }
1981 }
1982 if (check_status_file()) {
1983 show_running_run_stats();
1984 return;
1985 }
1986}
1987
d6bb626e 1988static inline void add_stat_sample(struct io_stat *is, unsigned long long data)
3c39a379 1989{
68704084 1990 double val = data;
6660cc67 1991 double delta;
68704084
JA
1992
1993 if (data > is->max_val)
1994 is->max_val = data;
1995 if (data < is->min_val)
1996 is->min_val = data;
1997
802ad4a8 1998 delta = val - is->mean.u.f;
ef11d737 1999 if (delta) {
802ad4a8
JA
2000 is->mean.u.f += delta / (is->samples + 1.0);
2001 is->S.u.f += delta * (val - is->mean.u.f);
ef11d737 2002 }
3c39a379 2003
3c39a379
JA
2004 is->samples++;
2005}
2006
7e419452
JA
2007/*
2008 * Return a struct io_logs, which is added to the tail of the log
2009 * list for 'iolog'.
2010 */
2011static struct io_logs *get_new_log(struct io_log *iolog)
2012{
2013 size_t new_size, new_samples;
2014 struct io_logs *cur_log;
2015
2016 /*
2017 * Cap the size at MAX_LOG_ENTRIES, so we don't keep doubling
2018 * forever
2019 */
2020 if (!iolog->cur_log_max)
2021 new_samples = DEF_LOG_ENTRIES;
2022 else {
2023 new_samples = iolog->cur_log_max * 2;
2024 if (new_samples > MAX_LOG_ENTRIES)
2025 new_samples = MAX_LOG_ENTRIES;
2026 }
2027
7e419452 2028 new_size = new_samples * log_entry_sz(iolog);
7e419452 2029
90d2d53f 2030 cur_log = smalloc(sizeof(*cur_log));
7e419452
JA
2031 if (cur_log) {
2032 INIT_FLIST_HEAD(&cur_log->list);
2033 cur_log->log = malloc(new_size);
2034 if (cur_log->log) {
2035 cur_log->nr_samples = 0;
2036 cur_log->max_samples = new_samples;
2037 flist_add_tail(&cur_log->list, &iolog->io_logs);
2038 iolog->cur_log_max = new_samples;
2039 return cur_log;
2040 }
90d2d53f 2041 sfree(cur_log);
7e419452
JA
2042 }
2043
2044 return NULL;
2045}
2046
1fed2080
JA
2047/*
2048 * Add and return a new log chunk, or return current log if big enough
2049 */
2050static struct io_logs *regrow_log(struct io_log *iolog)
7e419452
JA
2051{
2052 struct io_logs *cur_log;
1fed2080 2053 int i;
7e419452 2054
1fed2080 2055 if (!iolog || iolog->disabled)
2ab71dc4 2056 goto disable;
7e419452 2057
1fed2080 2058 cur_log = iolog_cur_log(iolog);
a9afa45a
JA
2059 if (!cur_log) {
2060 cur_log = get_new_log(iolog);
2061 if (!cur_log)
2062 return NULL;
2063 }
2064
7e419452
JA
2065 if (cur_log->nr_samples < cur_log->max_samples)
2066 return cur_log;
2067
2068 /*
2069 * No room for a new sample. If we're compressing on the fly, flush
2070 * out the current chunk
2071 */
2072 if (iolog->log_gz) {
2073 if (iolog_cur_flush(iolog, cur_log)) {
2074 log_err("fio: failed flushing iolog! Will stop logging.\n");
2075 return NULL;
2076 }
2077 }
2078
2079 /*
2080 * Get a new log array, and add to our list
2081 */
2082 cur_log = get_new_log(iolog);
1fed2080
JA
2083 if (!cur_log) {
2084 log_err("fio: failed extending iolog! Will stop logging.\n");
2085 return NULL;
2086 }
2087
2088 if (!iolog->pending || !iolog->pending->nr_samples)
80a24ba9 2089 return cur_log;
7e419452 2090
1fed2080
JA
2091 /*
2092 * Flush pending items to new log
2093 */
2094 for (i = 0; i < iolog->pending->nr_samples; i++) {
2095 struct io_sample *src, *dst;
2096
2097 src = get_sample(iolog, iolog->pending, i);
2098 dst = get_sample(iolog, cur_log, i);
2099 memcpy(dst, src, log_entry_sz(iolog));
2100 }
0b2eef49 2101 cur_log->nr_samples = iolog->pending->nr_samples;
1fed2080
JA
2102
2103 iolog->pending->nr_samples = 0;
2104 return cur_log;
2ab71dc4
JA
2105disable:
2106 if (iolog)
2107 iolog->disabled = true;
2108 return NULL;
1fed2080
JA
2109}
2110
2111void regrow_logs(struct thread_data *td)
2112{
2ab71dc4
JA
2113 regrow_log(td->slat_log);
2114 regrow_log(td->clat_log);
1e613c9c 2115 regrow_log(td->clat_hist_log);
2ab71dc4
JA
2116 regrow_log(td->lat_log);
2117 regrow_log(td->bw_log);
2118 regrow_log(td->iops_log);
1fed2080
JA
2119 td->flags &= ~TD_F_REGROW_LOGS;
2120}
2121
2122static struct io_logs *get_cur_log(struct io_log *iolog)
2123{
2124 struct io_logs *cur_log;
2125
2126 cur_log = iolog_cur_log(iolog);
2127 if (!cur_log) {
2128 cur_log = get_new_log(iolog);
2129 if (!cur_log)
2130 return NULL;
2131 }
2132
2133 if (cur_log->nr_samples < cur_log->max_samples)
2134 return cur_log;
2135
2136 /*
1eb467fb
JA
2137 * Out of space. If we're in IO offload mode, or we're not doing
2138 * per unit logging (hence logging happens outside of the IO thread
2139 * as well), add a new log chunk inline. If we're doing inline
2140 * submissions, flag 'td' as needing a log regrow and we'll take
2141 * care of it on the submission side.
1fed2080 2142 */
1eb467fb
JA
2143 if (iolog->td->o.io_submit_mode == IO_MODE_OFFLOAD ||
2144 !per_unit_log(iolog))
1fed2080
JA
2145 return regrow_log(iolog);
2146
2147 iolog->td->flags |= TD_F_REGROW_LOGS;
2148 assert(iolog->pending->nr_samples < iolog->pending->max_samples);
2149 return iolog->pending;
7e419452
JA
2150}
2151
af2fde19 2152static void __add_log_sample(struct io_log *iolog, union io_sample_data data,
306ddc97 2153 enum fio_ddir ddir, unsigned int bs,
ae588852 2154 unsigned long t, uint64_t offset)
3c39a379 2155{
7e419452 2156 struct io_logs *cur_log;
306ddc97 2157
3c568239
JA
2158 if (iolog->disabled)
2159 return;
7e419452 2160 if (flist_empty(&iolog->io_logs))
b8bc8cba
JA
2161 iolog->avg_last = t;
2162
7e419452
JA
2163 cur_log = get_cur_log(iolog);
2164 if (cur_log) {
2165 struct io_sample *s;
3c39a379 2166
7e419452 2167 s = get_sample(iolog, cur_log, cur_log->nr_samples);
3c39a379 2168
af2fde19 2169 s->data = data;
a9179eeb 2170 s->time = t + (iolog->td ? iolog->td->unix_epoch : 0);
7e419452
JA
2171 io_sample_set_ddir(iolog, s, ddir);
2172 s->bs = bs;
ae588852 2173
7e419452
JA
2174 if (iolog->log_offset) {
2175 struct io_sample_offset *so = (void *) s;
ae588852 2176
7e419452
JA
2177 so->offset = offset;
2178 }
ae588852 2179
7e419452
JA
2180 cur_log->nr_samples++;
2181 return;
ae588852
JA
2182 }
2183
7e419452 2184 iolog->disabled = true;
3c39a379
JA
2185}
2186
7fb28d36
JA
2187static inline void reset_io_stat(struct io_stat *ios)
2188{
2189 ios->max_val = ios->min_val = ios->samples = 0;
2190 ios->mean.u.f = ios->S.u.f = 0;
2191}
2192
6bb58215
JA
2193void reset_io_stats(struct thread_data *td)
2194{
2195 struct thread_stat *ts = &td->ts;
2196 int i, j;
2197
2198 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
2199 reset_io_stat(&ts->clat_stat[i]);
2200 reset_io_stat(&ts->slat_stat[i]);
2201 reset_io_stat(&ts->lat_stat[i]);
2202 reset_io_stat(&ts->bw_stat[i]);
2203 reset_io_stat(&ts->iops_stat[i]);
2204
2205 ts->io_bytes[i] = 0;
2206 ts->runtime[i] = 0;
71cb78c1
VF
2207 ts->total_io_u[i] = 0;
2208 ts->short_io_u[i] = 0;
2209 ts->drop_io_u[i] = 0;
6bb58215
JA
2210
2211 for (j = 0; j < FIO_IO_U_PLAT_NR; j++)
2212 ts->io_u_plat[i][j] = 0;
2213 }
2214
2215 for (i = 0; i < FIO_IO_U_MAP_NR; i++) {
2216 ts->io_u_map[i] = 0;
2217 ts->io_u_submit[i] = 0;
2218 ts->io_u_complete[i] = 0;
71cb78c1
VF
2219 }
2220
d6bb626e
VF
2221 for (i = 0; i < FIO_IO_U_LAT_N_NR; i++)
2222 ts->io_u_lat_n[i] = 0;
71cb78c1 2223 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++)
6bb58215 2224 ts->io_u_lat_u[i] = 0;
71cb78c1 2225 for (i = 0; i < FIO_IO_U_LAT_M_NR; i++)
6bb58215 2226 ts->io_u_lat_m[i] = 0;
6bb58215 2227
71cb78c1
VF
2228 ts->total_submit = 0;
2229 ts->total_complete = 0;
6bb58215
JA
2230}
2231
d96d3bb3 2232static void __add_stat_to_log(struct io_log *iolog, enum fio_ddir ddir,
e6989e10 2233 unsigned long elapsed, bool log_max)
99007068
PO
2234{
2235 /*
2236 * Note an entry in the log. Use the mean from the logged samples,
2237 * making sure to properly round up. Only write a log entry if we
2238 * had actual samples done.
2239 */
d96d3bb3 2240 if (iolog->avg_window[ddir].samples) {
af2fde19 2241 union io_sample_data data;
99007068 2242
e6989e10 2243 if (log_max)
af2fde19 2244 data.val = iolog->avg_window[ddir].max_val;
e6989e10 2245 else
af2fde19 2246 data.val = iolog->avg_window[ddir].mean.u.f + 0.50;
e6989e10 2247
af2fde19 2248 __add_log_sample(iolog, data, ddir, 0, elapsed, 0);
99007068 2249 }
99007068 2250
d96d3bb3
JA
2251 reset_io_stat(&iolog->avg_window[ddir]);
2252}
99007068 2253
e6989e10
JA
2254static void _add_stat_to_log(struct io_log *iolog, unsigned long elapsed,
2255 bool log_max)
d96d3bb3
JA
2256{
2257 int ddir;
99007068 2258
d96d3bb3 2259 for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++)
e6989e10 2260 __add_stat_to_log(iolog, ddir, elapsed, log_max);
99007068
PO
2261}
2262
d454a205 2263static long add_log_sample(struct thread_data *td, struct io_log *iolog,
af2fde19 2264 union io_sample_data data, enum fio_ddir ddir,
ae588852 2265 unsigned int bs, uint64_t offset)
bb3884d8 2266{
7fb28d36 2267 unsigned long elapsed, this_window;
b8bc8cba 2268
ff58fced 2269 if (!ddir_rw(ddir))
d454a205 2270 return 0;
ff58fced 2271
b8bc8cba
JA
2272 elapsed = mtime_since_now(&td->epoch);
2273
2274 /*
2275 * If no time averaging, just add the log sample.
2276 */
2277 if (!iolog->avg_msec) {
af2fde19 2278 __add_log_sample(iolog, data, ddir, bs, elapsed, offset);
d454a205 2279 return 0;
b8bc8cba
JA
2280 }
2281
2282 /*
2283 * Add the sample. If the time period has passed, then
2284 * add that entry to the log and clear.
2285 */
af2fde19 2286 add_stat_sample(&iolog->avg_window[ddir], data.val);
b8bc8cba 2287
7fb28d36
JA
2288 /*
2289 * If period hasn't passed, adding the above sample is all we
2290 * need to do.
2291 */
b8bc8cba 2292 this_window = elapsed - iolog->avg_last;
f5a568cf
JA
2293 if (elapsed < iolog->avg_last)
2294 return iolog->avg_last - elapsed;
2295 else if (this_window < iolog->avg_msec) {
d454a205
JA
2296 int diff = iolog->avg_msec - this_window;
2297
b392f36d 2298 if (inline_log(iolog) || diff > LOG_MSEC_SLACK)
d454a205
JA
2299 return diff;
2300 }
b8bc8cba 2301
e6989e10 2302 _add_stat_to_log(iolog, elapsed, td->o.log_max != 0);
b8bc8cba 2303
c16556af 2304 iolog->avg_last = elapsed - (this_window - iolog->avg_msec);
d454a205 2305 return iolog->avg_msec;
99007068 2306}
6eaf09d6 2307
a47591e4 2308void finalize_logs(struct thread_data *td, bool unit_logs)
99007068
PO
2309{
2310 unsigned long elapsed;
6eaf09d6 2311
99007068 2312 elapsed = mtime_since_now(&td->epoch);
b8bc8cba 2313
a47591e4 2314 if (td->clat_log && unit_logs)
e6989e10 2315 _add_stat_to_log(td->clat_log, elapsed, td->o.log_max != 0);
a47591e4 2316 if (td->slat_log && unit_logs)
e6989e10 2317 _add_stat_to_log(td->slat_log, elapsed, td->o.log_max != 0);
a47591e4 2318 if (td->lat_log && unit_logs)
e6989e10 2319 _add_stat_to_log(td->lat_log, elapsed, td->o.log_max != 0);
a47591e4 2320 if (td->bw_log && (unit_logs == per_unit_log(td->bw_log)))
e6989e10 2321 _add_stat_to_log(td->bw_log, elapsed, td->o.log_max != 0);
a47591e4 2322 if (td->iops_log && (unit_logs == per_unit_log(td->iops_log)))
e6989e10 2323 _add_stat_to_log(td->iops_log, elapsed, td->o.log_max != 0);
bb3884d8
JA
2324}
2325
af2fde19 2326void add_agg_sample(union io_sample_data data, enum fio_ddir ddir, unsigned int bs)
bb3884d8 2327{
ff58fced 2328 struct io_log *iolog;
bb3884d8 2329
ff58fced
JA
2330 if (!ddir_rw(ddir))
2331 return;
2332
2333 iolog = agg_io_log[ddir];
af2fde19 2334 __add_log_sample(iolog, data, ddir, bs, mtime_since_genesis(), 0);
bb3884d8
JA
2335}
2336
83349190 2337static void add_clat_percentile_sample(struct thread_stat *ts,
d6bb626e 2338 unsigned long long nsec, enum fio_ddir ddir)
83349190 2339{
d6bb626e 2340 unsigned int idx = plat_val_to_idx(nsec);
83349190
YH
2341 assert(idx < FIO_IO_U_PLAT_NR);
2342
2343 ts->io_u_plat[ddir][idx]++;
2344}
2345
1e97cce9 2346void add_clat_sample(struct thread_data *td, enum fio_ddir ddir,
d6bb626e 2347 unsigned long long nsec, unsigned int bs, uint64_t offset)
3c39a379 2348{
1e613c9c 2349 unsigned long elapsed, this_window;
756867bd 2350 struct thread_stat *ts = &td->ts;
1e613c9c 2351 struct io_log *iolog = td->clat_hist_log;
079ad09b 2352
75dc383e
JA
2353 td_io_u_lock(td);
2354
d6bb626e 2355 add_stat_sample(&ts->clat_stat[ddir], nsec);
3c39a379 2356
7b9f733a 2357 if (td->clat_log)
d6bb626e 2358 add_log_sample(td, td->clat_log, sample_val(nsec), ddir, bs,
af2fde19 2359 offset);
83349190
YH
2360
2361 if (ts->clat_percentiles)
d6bb626e 2362 add_clat_percentile_sample(ts, nsec, ddir);
75dc383e 2363
1e613c9c 2364 if (iolog && iolog->hist_msec) {
93168285
JA
2365 struct io_hist *hw = &iolog->hist_window[ddir];
2366
2367 hw->samples++;
1e613c9c 2368 elapsed = mtime_since_now(&td->epoch);
93168285 2369 if (!hw->hist_last)
1e613c9c
KC
2370 hw->hist_last = elapsed;
2371 this_window = elapsed - hw->hist_last;
2372
2373 if (this_window >= iolog->hist_msec) {
93168285 2374 unsigned int *io_u_plat;
65a4d15c 2375 struct io_u_plat_entry *dst;
93168285 2376
1e613c9c 2377 /*
93168285
JA
2378 * Make a byte-for-byte copy of the latency histogram
2379 * stored in td->ts.io_u_plat[ddir], recording it in a
2380 * log sample. Note that the matching call to free() is
2381 * located in iolog.c after printing this sample to the
2382 * log file.
1e613c9c 2383 */
93168285 2384 io_u_plat = (unsigned int *) td->ts.io_u_plat[ddir];
65a4d15c
KC
2385 dst = malloc(sizeof(struct io_u_plat_entry));
2386 memcpy(&(dst->io_u_plat), io_u_plat,
93168285 2387 FIO_IO_U_PLAT_NR * sizeof(unsigned int));
d730bc58 2388 flist_add(&dst->list, &hw->list);
af2fde19 2389 __add_log_sample(iolog, sample_plat(dst), ddir, bs,
93168285 2390 elapsed, offset);
1e613c9c
KC
2391
2392 /*
93168285
JA
2393 * Update the last time we recorded as being now, minus
2394 * any drift in time we encountered before actually
2395 * making the record.
1e613c9c
KC
2396 */
2397 hw->hist_last = elapsed - (this_window - iolog->hist_msec);
2398 hw->samples = 0;
2399 }
2400 }
2401
75dc383e 2402 td_io_u_unlock(td);
3c39a379
JA
2403}
2404
1e97cce9 2405void add_slat_sample(struct thread_data *td, enum fio_ddir ddir,
ae588852 2406 unsigned long usec, unsigned int bs, uint64_t offset)
3c39a379 2407{
756867bd 2408 struct thread_stat *ts = &td->ts;
079ad09b 2409
ff58fced
JA
2410 if (!ddir_rw(ddir))
2411 return;
2412
75dc383e
JA
2413 td_io_u_lock(td);
2414
d85f5118 2415 add_stat_sample(&ts->slat_stat[ddir], usec);
3c39a379 2416
7b9f733a 2417 if (td->slat_log)
af2fde19 2418 add_log_sample(td, td->slat_log, sample_val(usec), ddir, bs, offset);
75dc383e
JA
2419
2420 td_io_u_unlock(td);
3c39a379
JA
2421}
2422
02af0988 2423void add_lat_sample(struct thread_data *td, enum fio_ddir ddir,
d6bb626e 2424 unsigned long long nsec, unsigned int bs, uint64_t offset)
02af0988
JA
2425{
2426 struct thread_stat *ts = &td->ts;
2427
ff58fced
JA
2428 if (!ddir_rw(ddir))
2429 return;
2430
75dc383e
JA
2431 td_io_u_lock(td);
2432
d6bb626e 2433 add_stat_sample(&ts->lat_stat[ddir], nsec);
02af0988 2434
7b9f733a 2435 if (td->lat_log)
d6bb626e 2436 add_log_sample(td, td->lat_log, sample_val(nsec), ddir, bs,
af2fde19 2437 offset);
75dc383e
JA
2438
2439 td_io_u_unlock(td);
02af0988
JA
2440}
2441
a47591e4 2442void add_bw_sample(struct thread_data *td, struct io_u *io_u,
d6bb626e 2443 unsigned int bytes, unsigned long long spent)
a47591e4
JA
2444{
2445 struct thread_stat *ts = &td->ts;
2446 unsigned long rate;
2447
2448 if (spent)
d6bb626e 2449 rate = (unsigned long) (bytes * 1000000ULL / spent);
a47591e4
JA
2450 else
2451 rate = 0;
2452
2453 td_io_u_lock(td);
2454
2455 add_stat_sample(&ts->bw_stat[io_u->ddir], rate);
2456
2457 if (td->bw_log)
af2fde19
SW
2458 add_log_sample(td, td->bw_log, sample_val(rate), io_u->ddir,
2459 bytes, io_u->offset);
a47591e4
JA
2460
2461 td->stat_io_bytes[io_u->ddir] = td->this_io_bytes[io_u->ddir];
2462 td_io_u_unlock(td);
2463}
2464
8b6a404c
VF
2465static int __add_samples(struct thread_data *td, struct timespec *parent_tv,
2466 struct timespec *t, unsigned int avg_time,
4843277a
JA
2467 uint64_t *this_io_bytes, uint64_t *stat_io_bytes,
2468 struct io_stat *stat, struct io_log *log,
2469 bool is_kb)
3c39a379 2470{
ff58fced 2471 unsigned long spent, rate;
a47591e4 2472 enum fio_ddir ddir;
d454a205
JA
2473 unsigned int next, next_log;
2474
4843277a 2475 next_log = avg_time;
ff58fced 2476
4843277a
JA
2477 spent = mtime_since(parent_tv, t);
2478 if (spent < avg_time && avg_time - spent >= LOG_MSEC_SLACK)
2479 return avg_time - spent;
9602d8df 2480
a9da8ab2
JA
2481 td_io_u_lock(td);
2482
9602d8df 2483 /*
5daa4ebe
JC
2484 * Compute both read and write rates for the interval.
2485 */
c1f50f76 2486 for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++) {
5daa4ebe
JC
2487 uint64_t delta;
2488
4843277a 2489 delta = this_io_bytes[ddir] - stat_io_bytes[ddir];
5daa4ebe
JC
2490 if (!delta)
2491 continue; /* No entries for interval */
3c39a379 2492
4843277a
JA
2493 if (spent) {
2494 if (is_kb)
2495 rate = delta * 1000 / spent / 1024; /* KiB/s */
2496 else
2497 rate = (delta * 1000) / spent;
2498 } else
0956264f
JA
2499 rate = 0;
2500
4843277a 2501 add_stat_sample(&stat[ddir], rate);
3c39a379 2502
37181709 2503 if (log) {
66b98c9f
JA
2504 unsigned int bs = 0;
2505
2506 if (td->o.min_bs[ddir] == td->o.max_bs[ddir])
2507 bs = td->o.min_bs[ddir];
2508
4843277a 2509 next = add_log_sample(td, log, sample_val(rate), ddir, bs, 0);
d454a205 2510 next_log = min(next_log, next);
66b98c9f 2511 }
5daa4ebe 2512
4843277a 2513 stat_io_bytes[ddir] = this_io_bytes[ddir];
5daa4ebe 2514 }
3c39a379 2515
8b6a404c 2516 timespec_add_msec(parent_tv, avg_time);
a47591e4
JA
2517
2518 td_io_u_unlock(td);
2519
4843277a
JA
2520 if (spent <= avg_time)
2521 next = avg_time;
306fea38 2522 else
4843277a 2523 next = avg_time - (1 + spent - avg_time);
a47591e4 2524
d454a205 2525 return min(next, next_log);
a47591e4
JA
2526}
2527
8b6a404c 2528static int add_bw_samples(struct thread_data *td, struct timespec *t)
4843277a
JA
2529{
2530 return __add_samples(td, &td->bw_sample_time, t, td->o.bw_avg_time,
2531 td->this_io_bytes, td->stat_io_bytes,
2532 td->ts.bw_stat, td->bw_log, true);
2533}
2534
a47591e4
JA
2535void add_iops_sample(struct thread_data *td, struct io_u *io_u,
2536 unsigned int bytes)
2537{
2538 struct thread_stat *ts = &td->ts;
2539
2540 td_io_u_lock(td);
2541
2542 add_stat_sample(&ts->iops_stat[io_u->ddir], 1);
2543
2544 if (td->iops_log)
af2fde19
SW
2545 add_log_sample(td, td->iops_log, sample_val(1), io_u->ddir,
2546 bytes, io_u->offset);
a47591e4
JA
2547
2548 td->stat_io_blocks[io_u->ddir] = td->this_io_blocks[io_u->ddir];
a9da8ab2 2549 td_io_u_unlock(td);
3c39a379 2550}
c8eeb9df 2551
8b6a404c 2552static int add_iops_samples(struct thread_data *td, struct timespec *t)
c8eeb9df 2553{
4843277a
JA
2554 return __add_samples(td, &td->iops_sample_time, t, td->o.iops_avg_time,
2555 td->this_io_blocks, td->stat_io_blocks,
2556 td->ts.iops_stat, td->iops_log, false);
a47591e4
JA
2557}
2558
2559/*
2560 * Returns msecs to next event
2561 */
2562int calc_log_samples(void)
2563{
2564 struct thread_data *td;
2565 unsigned int next = ~0U, tmp;
8b6a404c 2566 struct timespec now;
a47591e4
JA
2567 int i;
2568
2569 fio_gettime(&now, NULL);
2570
2571 for_each_td(td, i) {
8243be59
JA
2572 if (!td->o.stats)
2573 continue;
6a89b401 2574 if (in_ramp_time(td) ||
a47591e4
JA
2575 !(td->runstate == TD_RUNNING || td->runstate == TD_VERIFYING)) {
2576 next = min(td->o.iops_avg_time, td->o.bw_avg_time);
2577 continue;
2578 }
37181709
AH
2579 if (!td->bw_log ||
2580 (td->bw_log && !per_unit_log(td->bw_log))) {
a47591e4
JA
2581 tmp = add_bw_samples(td, &now);
2582 if (tmp < next)
2583 next = tmp;
2584 }
37181709
AH
2585 if (!td->iops_log ||
2586 (td->iops_log && !per_unit_log(td->iops_log))) {
a47591e4
JA
2587 tmp = add_iops_samples(td, &now);
2588 if (tmp < next)
2589 next = tmp;
2590 }
2591 }
2592
2593 return next == ~0U ? 0 : next;
c8eeb9df 2594}
cef9175e
JA
2595
2596void stat_init(void)
2597{
2598 stat_mutex = fio_mutex_init(FIO_MUTEX_UNLOCKED);
2599}
2600
2601void stat_exit(void)
2602{
2603 /*
2604 * When we have the mutex, we know out-of-band access to it
2605 * have ended.
2606 */
2607 fio_mutex_down(stat_mutex);
2608 fio_mutex_remove(stat_mutex);
2609}
b2ee7647 2610
b2ee7647
JA
2611/*
2612 * Called from signal handler. Wake up status thread.
2613 */
2614void show_running_run_stats(void)
2615{
a47591e4 2616 helper_do_stat();
b2ee7647 2617}
66347cfa
DE
2618
2619uint32_t *io_u_block_info(struct thread_data *td, struct io_u *io_u)
2620{
2621 /* Ignore io_u's which span multiple blocks--they will just get
2622 * inaccurate counts. */
2623 int idx = (io_u->offset - io_u->file->file_offset)
2624 / td->o.bs[DDIR_TRIM];
2625 uint32_t *info = &td->ts.block_infos[idx];
2626 assert(idx < td->ts.nr_block_infos);
2627 return info;
2628}