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Merge branch 'atomic-writes'
[fio.git] / stat.c
CommitLineData
3c39a379
JA		 1#include <stdio.h>
2#include <string.h>
0fc3cb4c 3#include <stdlib.h>
3c39a379 4#include <sys/time.h>
5c4e1dbc 5#include <sys/stat.h>
3c39a379
JA		 6#include <math.h>
7
8#include "fio.h"
7c9b1bce 9#include "diskutil.h"
c7c6cb4c 10#include "lib/ieee754.h"
cc372b17 11#include "json.h"
44404c5a 12#include "lib/getrusage.h"
f2a2ce0e 13#include "idletime.h"
0f38bbef 14#include "lib/pow2.h"
a666cab8 15#include "lib/output_buffer.h"
a39fb9ea 16#include "helper_thread.h"
90d2d53f 17#include "smalloc.h"
fd5d733f 18#include "zbd.h"
f5bff36e 19#include "oslib/asprintf.h"
3c39a379 20
3d0d549a
BP		 21#ifdef WIN32
22#define LOG_MSEC_SLACK 2
23#else
674456bf 24#define LOG_MSEC_SLACK 1
3d0d549a 25#endif
d454a205 26
2e7da20d
SK		 27struct log_sample {
28 union io_sample_data data;
29 uint32_t ddir;
30 uint64_t bs;
31 uint64_t offset;
32 uint16_t priority;
14d3134a 33 uint64_t issue_time;
2e7da20d
SK		 34};
35
971caeb1 36struct fio_sem *stat_sem;
cef9175e 37
210dd0fc
JA		 38void clear_rusage_stat(struct thread_data *td)
39{
40 struct thread_stat *ts = &td->ts;
41
42 fio_getrusage(&td->ru_start);
43 ts->usr_time = ts->sys_time = 0;
44 ts->ctx = 0;
45 ts->minf = ts->majf = 0;
46}
47
3c39a379
JA		 48void update_rusage_stat(struct thread_data *td)
49{
756867bd 50 struct thread_stat *ts = &td->ts;
3c39a379 51
44404c5a 52 fio_getrusage(&td->ru_end);
8b6a404c 53 ts->usr_time += mtime_since_tv(&td->ru_start.ru_utime,
c8aaba19 54 &td->ru_end.ru_utime);
8b6a404c 55 ts->sys_time += mtime_since_tv(&td->ru_start.ru_stime,
c8aaba19
JA		 56 &td->ru_end.ru_stime);
57 ts->ctx += td->ru_end.ru_nvcsw + td->ru_end.ru_nivcsw
58 - (td->ru_start.ru_nvcsw + td->ru_start.ru_nivcsw);
59 ts->minf += td->ru_end.ru_minflt - td->ru_start.ru_minflt;
60 ts->majf += td->ru_end.ru_majflt - td->ru_start.ru_majflt;
5ec10eaa 61
c8aaba19 62 memcpy(&td->ru_start, &td->ru_end, sizeof(td->ru_end));
3c39a379
JA		 63}
64
83349190
YH		 65/*
66 * Given a latency, return the index of the corresponding bucket in
67 * the structure tracking percentiles.
68 *
69 * (1) find the group (and error bits) that the value (latency)
70 * belongs to by looking at its MSB. (2) find the bucket number in the
71 * group by looking at the index bits.
72 *
73 */
d6bb626e 74static unsigned int plat_val_to_idx(unsigned long long val)
83349190
YH		 75{
76 unsigned int msb, error_bits, base, offset, idx;
77
78 /* Find MSB starting from bit 0 */
79 if (val == 0)
80 msb = 0;
81 else
d6bb626e 82 msb = (sizeof(val)*8) - __builtin_clzll(val) - 1;
83349190 83
716050f2
JA		 84 /*
85 * MSB <= (FIO_IO_U_PLAT_BITS-1), cannot be rounded off. Use
86 * all bits of the sample as index
87 */
83349190
YH		 88 if (msb <= FIO_IO_U_PLAT_BITS)
89 return val;
90
91 /* Compute the number of error bits to discard*/
92 error_bits = msb - FIO_IO_U_PLAT_BITS;
93
94 /* Compute the number of buckets before the group */
95 base = (error_bits + 1) << FIO_IO_U_PLAT_BITS;
96
716050f2
JA		 97 /*
98 * Discard the error bits and apply the mask to find the
3c3ed070 99 * index for the buckets in the group
716050f2 100 */
83349190
YH		 101 offset = (FIO_IO_U_PLAT_VAL - 1) & (val >> error_bits);
102
103 /* Make sure the index does not exceed (array size - 1) */
3c3ed070 104 idx = (base + offset) < (FIO_IO_U_PLAT_NR - 1) ?
83349190
YH		 105 (base + offset) : (FIO_IO_U_PLAT_NR - 1);
106
107 return idx;
108}
109
110/*
111 * Convert the given index of the bucket array to the value
112 * represented by the bucket
113 */
129e4193 114static unsigned long long plat_idx_to_val(unsigned int idx)
83349190 115{
c8b44cfa
RL		 116 unsigned int error_bits;
117 unsigned long long k, base;
83349190
YH		 118
119 assert(idx < FIO_IO_U_PLAT_NR);
120
121 /* MSB <= (FIO_IO_U_PLAT_BITS-1), cannot be rounded off. Use
122 * all bits of the sample as index */
3c3ed070 123 if (idx < (FIO_IO_U_PLAT_VAL << 1))
83349190
YH		 124 return idx;
125
126 /* Find the group and compute the minimum value of that group */
3c3ed070 127 error_bits = (idx >> FIO_IO_U_PLAT_BITS) - 1;
c8b44cfa 128 base = ((unsigned long long) 1) << (error_bits + FIO_IO_U_PLAT_BITS);
83349190
YH		 129
130 /* Find its bucket number of the group */
131 k = idx % FIO_IO_U_PLAT_VAL;
132
133 /* Return the mean of the range of the bucket */
134 return base + ((k + 0.5) * (1 << error_bits));
135}
136
137static int double_cmp(const void *a, const void *b)
138{
802ad4a8
JA		 139 const fio_fp64_t fa = *(const fio_fp64_t *) a;
140 const fio_fp64_t fb = *(const fio_fp64_t *) b;
83349190
YH		 141 int cmp = 0;
142
802ad4a8 143 if (fa.u.f > fb.u.f)
83349190 144 cmp = 1;
802ad4a8 145 else if (fa.u.f < fb.u.f)
83349190
YH		 146 cmp = -1;
147
148 return cmp;
149}
150
6cc0e5aa 151unsigned int calc_clat_percentiles(uint64_t *io_u_plat, unsigned long long nr,
d6bb626e
VF		 152 fio_fp64_t *plist, unsigned long long **output,
153 unsigned long long *maxv, unsigned long long *minv)
83349190 154{
447b94e1 155 unsigned long long sum = 0;
1db92cb6 156 unsigned int len, i, j = 0;
d6bb626e 157 unsigned long long *ovals = NULL;
8985b491 158 bool is_last;
1db92cb6 159
d6bb626e 160 *minv = -1ULL;
1db92cb6 161 *maxv = 0;
83349190 162
802ad4a8
JA		 163 len = 0;
164 while (len < FIO_IO_U_LIST_MAX_LEN && plist[len].u.f != 0.0)
165 len++;
716050f2 166
351de8de 167 if (!len)
1db92cb6 168 return 0;
351de8de 169
716050f2 170 /*
802ad4a8
JA		 171 * Sort the percentile list. Note that it may already be sorted if
172 * we are using the default values, but since it's a short list this
173 * isn't a worry. Also note that this does not work for NaN values.
716050f2 174 */
802ad4a8 175 if (len > 1)
68e0dc1a 176 qsort(plist, len, sizeof(plist[0]), double_cmp);
83349190 177
5d89c625
VF		 178 ovals = malloc(len * sizeof(*ovals));
179 if (!ovals)
180 return 0;
181
4f6f8298
JA		 182 /*
183 * Calculate bucket values, note down max and min values
184 */
8985b491 185 is_last = false;
07511a63 186 for (i = 0; i < FIO_IO_U_PLAT_NR && !is_last; i++) {
83349190 187 sum += io_u_plat[i];
298d751e 188 while (sum >= ((long double) plist[j].u.f / 100.0 * nr)) {
802ad4a8 189 assert(plist[j].u.f <= 100.0);
83349190 190
4f6f8298 191 ovals[j] = plat_idx_to_val(i);
1db92cb6
JA		 192 if (ovals[j] < *minv)
193 *minv = ovals[j];
194 if (ovals[j] > *maxv)
195 *maxv = ovals[j];
07511a63 196
8985b491 197 is_last = (j == len - 1) != 0;
07511a63
JA		 198 if (is_last)
199 break;
200
4f6f8298
JA		 201 j++;
202 }
203 }
83349190 204
298d751e
VF		 205 if (!is_last)
206 log_err("fio: error calculating latency percentiles\n");
207
1db92cb6
JA		 208 *output = ovals;
209 return len;
210}
211
212/*
213 * Find and display the p-th percentile of clat
214 */
6cc0e5aa 215static void show_clat_percentiles(uint64_t *io_u_plat, unsigned long long nr,
a666cab8 216 fio_fp64_t *plist, unsigned int precision,
b2b3eefe 217 const char *pre, struct buf_output *out)
1db92cb6 218{
d6bb626e
VF		 219 unsigned int divisor, len, i, j = 0;
220 unsigned long long minv, maxv;
221 unsigned long long *ovals;
8985b491 222 int per_line, scale_down, time_width;
8985b491 223 bool is_last;
eef02441 224 char fmt[32];
1db92cb6
JA		 225
226 len = calc_clat_percentiles(io_u_plat, nr, plist, &ovals, &maxv, &minv);
b2b3eefe 227 if (!len || !ovals)
824d8186 228 return;
1db92cb6 229
4f6f8298 230 /*
d6bb626e
VF		 231 * We default to nsecs, but if the value range is such that we
232 * should scale down to usecs or msecs, do that.
4f6f8298 233 */
d6bb626e
VF		 234 if (minv > 2000000 && maxv > 99999999ULL) {
235 scale_down = 2;
236 divisor = 1000000;
b599759b 237 log_buf(out, " %s percentiles (msec):\n |", pre);
d6bb626e
VF		 238 } else if (minv > 2000 && maxv > 99999) {
239 scale_down = 1;
240 divisor = 1000;
b599759b 241 log_buf(out, " %s percentiles (usec):\n |", pre);
4f6f8298
JA		 242 } else {
243 scale_down = 0;
d6bb626e 244 divisor = 1;
b599759b 245 log_buf(out, " %s percentiles (nsec):\n |", pre);
4f6f8298 246 }
83349190 247
619adf9c 248
d6bb626e 249 time_width = max(5, (int) (log10(maxv / divisor) + 1));
74558486
JA		 250 snprintf(fmt, sizeof(fmt), " %%%u.%ufth=[%%%dllu]%%c", precision + 3,
251 precision, time_width);
252 /* fmt will be something like " %5.2fth=[%4llu]%c" */
d6bb626e 253 per_line = (80 - 7) / (precision + 10 + time_width);
81ab0b3a 254
d6bb626e 255 for (j = 0; j < len; j++) {
4f6f8298 256 /* for formatting */
eef02441 257 if (j != 0 && (j % per_line) == 0)
a666cab8 258 log_buf(out, " |");
83349190 259
4f6f8298 260 /* end of the list */
8985b491 261 is_last = (j == len - 1) != 0;
83349190 262
d6bb626e 263 for (i = 0; i < scale_down; i++)
4f6f8298
JA		 264 ovals[j] = (ovals[j] + 999) / 1000;
265
d6bb626e 266 log_buf(out, fmt, plist[j].u.f, ovals[j], is_last ? '\n' : ',');
4f6f8298
JA		 267
268 if (is_last)
269 break;
270
eef02441 271 if ((j % per_line) == per_line - 1) /* for formatting */
a666cab8 272 log_buf(out, "\n");
83349190 273 }
4f6f8298 274
283feb79 275 free(ovals);
83349190
YH		 276}
277
692dec0c
NC		 278static int get_nr_prios_with_samples(struct thread_stat *ts, enum fio_ddir ddir)
279{
280 int i, nr_prios_with_samples = 0;
281
282 for (i = 0; i < ts->nr_clat_prio[ddir]; i++) {
283 if (ts->clat_prio[ddir][i].clat_stat.samples)
284 nr_prios_with_samples++;
285 }
286
287 return nr_prios_with_samples;
288}
289
74558486
JA		 290bool calc_lat(struct io_stat *is, unsigned long long *min,
291 unsigned long long *max, double *mean, double *dev)
3c39a379 292{
ee0ccb79 293 double n = (double) is->samples;
3c39a379 294
ee0ccb79 295 if (n == 0)
8aa89d70 296 return false;
3c39a379
JA		 297
298 *min = is->min_val;
299 *max = is->max_val;
802ad4a8 300 *mean = is->mean.u.f;
e6d276f2 301
68704084 302 if (n > 1.0)
802ad4a8 303 *dev = sqrt(is->S.u.f / (n - 1.0));
ef9c5c40 304 else
4b43f54e 305 *dev = 0;
ef9c5c40 306
8aa89d70 307 return true;
3c39a379
JA		 308}
309
5cb8a8cd
BP		 310void show_mixed_group_stats(struct group_run_stats *rs, struct buf_output *out)
311{
312 char *io, *agg, *min, *max;
313 char *ioalt, *aggalt, *minalt, *maxalt;
6dc75062
JA		 314 uint64_t io_mix = 0, agg_mix = 0, min_mix = -1, max_mix = 0;
315 uint64_t min_run = -1, max_run = 0;
5cb8a8cd 316 const int i2p = is_power_of_2(rs->kb_base);
6dc75062 317 int i;
5cb8a8cd
BP		 318
319 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
320 if (!rs->max_run[i])
321 continue;
322 io_mix += rs->iobytes[i];
323 agg_mix += rs->agg[i];
324 min_mix = min_mix < rs->min_bw[i] ? min_mix : rs->min_bw[i];
325 max_mix = max_mix > rs->max_bw[i] ? max_mix : rs->max_bw[i];
326 min_run = min_run < rs->min_run[i] ? min_run : rs->min_run[i];
327 max_run = max_run > rs->max_run[i] ? max_run : rs->max_run[i];
328 }
329 io = num2str(io_mix, rs->sig_figs, 1, i2p, N2S_BYTE);
330 ioalt = num2str(io_mix, rs->sig_figs, 1, !i2p, N2S_BYTE);
331 agg = num2str(agg_mix, rs->sig_figs, 1, i2p, rs->unit_base);
332 aggalt = num2str(agg_mix, rs->sig_figs, 1, !i2p, rs->unit_base);
333 min = num2str(min_mix, rs->sig_figs, 1, i2p, rs->unit_base);
334 minalt = num2str(min_mix, rs->sig_figs, 1, !i2p, rs->unit_base);
335 max = num2str(max_mix, rs->sig_figs, 1, i2p, rs->unit_base);
336 maxalt = num2str(max_mix, rs->sig_figs, 1, !i2p, rs->unit_base);
337 log_buf(out, " MIXED: bw=%s (%s), %s-%s (%s-%s), io=%s (%s), run=%llu-%llumsec\n",
338 agg, aggalt, min, max, minalt, maxalt, io, ioalt,
339 (unsigned long long) min_run,
340 (unsigned long long) max_run);
341 free(io);
342 free(agg);
343 free(min);
344 free(max);
345 free(ioalt);
346 free(aggalt);
347 free(minalt);
348 free(maxalt);
349}
350
a666cab8 351void show_group_stats(struct group_run_stats *rs, struct buf_output *out)
3c39a379 352{
d694a6a7
RE		 353 char *io, *agg, *min, *max;
354 char *ioalt, *aggalt, *minalt, *maxalt;
42da5c8b 355 const char *str[] = { " READ", " WRITE" , " TRIM"};
dbe1125e
JA		 356 int i;
357
a666cab8 358 log_buf(out, "\nRun status group %d (all jobs):\n", rs->groupid);
3c39a379 359
6eaf09d6 360 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
90fef2d1
JA		 361 const int i2p = is_power_of_2(rs->kb_base);
362
dbe1125e
JA		 363 if (!rs->max_run[i])
364 continue;
365
e883cb35
JF		 366 io = num2str(rs->iobytes[i], rs->sig_figs, 1, i2p, N2S_BYTE);
367 ioalt = num2str(rs->iobytes[i], rs->sig_figs, 1, !i2p, N2S_BYTE);
368 agg = num2str(rs->agg[i], rs->sig_figs, 1, i2p, rs->unit_base);
369 aggalt = num2str(rs->agg[i], rs->sig_figs, 1, !i2p, rs->unit_base);
370 min = num2str(rs->min_bw[i], rs->sig_figs, 1, i2p, rs->unit_base);
371 minalt = num2str(rs->min_bw[i], rs->sig_figs, 1, !i2p, rs->unit_base);
372 max = num2str(rs->max_bw[i], rs->sig_figs, 1, i2p, rs->unit_base);
373 maxalt = num2str(rs->max_bw[i], rs->sig_figs, 1, !i2p, rs->unit_base);
d694a6a7 374 log_buf(out, "%s: bw=%s (%s), %s-%s (%s-%s), io=%s (%s), run=%llu-%llumsec\n",
5cb8a8cd 375 (rs->unified_rw_rep == UNIFIED_MIXED) ? " MIXED" : str[i],
d694a6a7 376 agg, aggalt, min, max, minalt, maxalt, io, ioalt,
4e0a8fa2
JA		 377 (unsigned long long) rs->min_run[i],
378 (unsigned long long) rs->max_run[i]);
dbe1125e 379
d694a6a7
RE		 380 free(io);
381 free(agg);
382 free(min);
383 free(max);
384 free(ioalt);
385 free(aggalt);
386 free(minalt);
387 free(maxalt);
dbe1125e 388 }
6dc75062 389
fc002f14 390 /* Need to aggregate statistics to show mixed values */
6dc75062 391 if (rs->unified_rw_rep == UNIFIED_BOTH)
5cb8a8cd 392 show_mixed_group_stats(rs, out);
3c39a379
JA		 393}
394
6cc0e5aa 395void stat_calc_dist(uint64_t *map, unsigned long total, double *io_u_dist)
2270890c
JA		 396{
397 int i;
398
399 /*
400 * Do depth distribution calculations
401 */
402 for (i = 0; i < FIO_IO_U_MAP_NR; i++) {
838bc709
JA		 403 if (total) {
404 io_u_dist[i] = (double) map[i] / (double) total;
405 io_u_dist[i] *= 100.0;
406 if (io_u_dist[i] < 0.1 && map[i])
407 io_u_dist[i] = 0.1;
408 } else
409 io_u_dist[i] = 0.0;
2270890c
JA		 410 }
411}
412
04a0feae 413static void stat_calc_lat(struct thread_stat *ts, double *dst,
6cc0e5aa 414 uint64_t *src, int nr)
2270890c 415{
d79db122 416 unsigned long total = ddir_rw_sum(ts->total_io_u);
2270890c
JA		 417 int i;
418
419 /*
420 * Do latency distribution calculations
421 */
04a0feae 422 for (i = 0; i < nr; i++) {
838bc709
JA		 423 if (total) {
424 dst[i] = (double) src[i] / (double) total;
425 dst[i] *= 100.0;
426 if (dst[i] < 0.01 && src[i])
427 dst[i] = 0.01;
428 } else
429 dst[i] = 0.0;
2270890c
JA		 430 }
431}
432
247823cc
VF		 433/*
434 * To keep the terse format unaltered, add all of the ns latency
435 * buckets to the first us latency bucket
436 */
52e4c651 437static void stat_calc_lat_nu(struct thread_stat *ts, double *io_u_lat_u)
247823cc
VF		 438{
439 unsigned long ntotal = 0, total = ddir_rw_sum(ts->total_io_u);
440 int i;
441
442 stat_calc_lat(ts, io_u_lat_u, ts->io_u_lat_u, FIO_IO_U_LAT_U_NR);
443
444 for (i = 0; i < FIO_IO_U_LAT_N_NR; i++)
445 ntotal += ts->io_u_lat_n[i];
446
447 io_u_lat_u[0] += 100.0 * (double) ntotal / (double) total;
448}
449
d6bb626e
VF		 450void stat_calc_lat_n(struct thread_stat *ts, double *io_u_lat)
451{
452 stat_calc_lat(ts, io_u_lat, ts->io_u_lat_n, FIO_IO_U_LAT_N_NR);
453}
454
e5bd1347 455void stat_calc_lat_u(struct thread_stat *ts, double *io_u_lat)
04a0feae
JA		 456{
457 stat_calc_lat(ts, io_u_lat, ts->io_u_lat_u, FIO_IO_U_LAT_U_NR);
458}
459
e5bd1347 460void stat_calc_lat_m(struct thread_stat *ts, double *io_u_lat)
04a0feae
JA		 461{
462 stat_calc_lat(ts, io_u_lat, ts->io_u_lat_m, FIO_IO_U_LAT_M_NR);
463}
464
74558486
JA		 465static void display_lat(const char *name, unsigned long long min,
466 unsigned long long max, double mean, double dev,
467 struct buf_output *out)
ea2accc5 468{
d6bb626e 469 const char *base = "(nsec)";
b29ad562 470 char *minp, *maxp;
ea2accc5 471
d6bb626e 472 if (nsec_to_msec(&min, &max, &mean, &dev))
b29ad562 473 base = "(msec)";
d6bb626e
VF		 474 else if (nsec_to_usec(&min, &max, &mean, &dev))
475 base = "(usec)";
b29ad562 476
d694a6a7
RE		 477 minp = num2str(min, 6, 1, 0, N2S_NONE);
478 maxp = num2str(max, 6, 1, 0, N2S_NONE);
b29ad562 479
a666cab8 480 log_buf(out, " %s %s: min=%s, max=%s, avg=%5.02f,"
b29ad562
JA		 481 " stdev=%5.02f\n", name, base, minp, maxp, mean, dev);
482
483 free(minp);
484 free(maxp);
ea2accc5
JA		 485}
486
b182f077
NC		 487static struct thread_stat *gen_mixed_ddir_stats_from_ts(struct thread_stat *ts)
488{
489 struct thread_stat *ts_lcl;
490
491 /*
492 * Handle aggregation of Reads (ddir = 0), Writes (ddir = 1), and
493 * Trims (ddir = 2)
494 */
495 ts_lcl = malloc(sizeof(struct thread_stat));
496 if (!ts_lcl) {
497 log_err("fio: failed to allocate local thread stat\n");
498 return NULL;
499 }
500
501 init_thread_stat(ts_lcl);
502
503 /* calculate mixed stats */
504 ts_lcl->unified_rw_rep = UNIFIED_MIXED;
505 ts_lcl->lat_percentiles = ts->lat_percentiles;
506 ts_lcl->clat_percentiles = ts->clat_percentiles;
507 ts_lcl->slat_percentiles = ts->slat_percentiles;
508 ts_lcl->percentile_precision = ts->percentile_precision;
509 memcpy(ts_lcl->percentile_list, ts->percentile_list, sizeof(ts->percentile_list));
510
511 sum_thread_stats(ts_lcl, ts);
512
513 return ts_lcl;
514}
515
2e545522
NC		 516static double convert_agg_kbytes_percent(struct group_run_stats *rs,
517 enum fio_ddir ddir, int mean)
5c0abd5e 518{
519 double p_of_agg = 100.0;
520 if (rs && rs->agg[ddir] > 1024) {
106e14ce 521 p_of_agg = mean * 100.0 / (double) (rs->agg[ddir] / 1024.0);
5c0abd5e 522
523 if (p_of_agg > 100.0)
524 p_of_agg = 100.0;
525 }
526 return p_of_agg;
527}
528
756867bd 529static void show_ddir_status(struct group_run_stats *rs, struct thread_stat *ts,
2e545522 530 enum fio_ddir ddir, struct buf_output *out)
3c39a379 531{
d6bb626e
VF		 532 unsigned long runt;
533 unsigned long long min, max, bw, iops;
3c39a379 534 double mean, dev;
96563db9 535 char *io_p, *bw_p, *bw_p_alt, *iops_p, *post_st = NULL;
692dec0c
NC		 536 int i2p, i;
537 const char *clat_type = ts->lat_percentiles ? "lat" : "clat";
3c39a379 538
b2b3eefe
JA		 539 if (ddir_sync(ddir)) {
540 if (calc_lat(&ts->sync_stat, &min, &max, &mean, &dev)) {
541 log_buf(out, " %s:\n", "fsync/fdatasync/sync_file_range");
425d3e0e 542 display_lat(io_ddir_name(ddir), min, max, mean, dev, out);
b2b3eefe
JA		 543 show_clat_percentiles(ts->io_u_sync_plat,
544 ts->sync_stat.samples,
545 ts->percentile_list,
546 ts->percentile_precision,
425d3e0e 547 io_ddir_name(ddir), out);
b2b3eefe
JA		 548 }
549 return;
550 }
551
ff58fced
JA		 552 assert(ddir_rw(ddir));
553
756867bd 554 if (!ts->runtime[ddir])
3c39a379
JA		 555 return;
556
90fef2d1 557 i2p = is_power_of_2(rs->kb_base);
8879fd15
JA		 558 runt = ts->runtime[ddir];
559
560 bw = (1000 * ts->io_bytes[ddir]) / runt;
e883cb35
JF		 561 io_p = num2str(ts->io_bytes[ddir], ts->sig_figs, 1, i2p, N2S_BYTE);
562 bw_p = num2str(bw, ts->sig_figs, 1, i2p, ts->unit_base);
563 bw_p_alt = num2str(bw, ts->sig_figs, 1, !i2p, ts->unit_base);
8879fd15 564
0aacc50c 565 iops = (1000 * (uint64_t)ts->total_io_u[ddir]) / runt;
e883cb35 566 iops_p = num2str(iops, ts->sig_figs, 1, 0, N2S_NONE);
16be6037 567 if (ddir == DDIR_WRITE || ddir == DDIR_TRIM)
96563db9
JA		 568 post_st = zbd_write_status(ts);
569 else if (ddir == DDIR_READ && ts->cachehit && ts->cachemiss) {
570 uint64_t total;
571 double hit;
572
573 total = ts->cachehit + ts->cachemiss;
574 hit = (double) ts->cachehit / (double) total;
575 hit *= 100.0;
576 if (asprintf(&post_st, "; Cachehit=%0.2f%%", hit) < 0)
577 post_st = NULL;
578 }
dbe1125e 579
fd5d733f 580 log_buf(out, " %s: IOPS=%s, BW=%s (%s)(%s/%llumsec)%s\n",
5cb8a8cd 581 (ts->unified_rw_rep == UNIFIED_MIXED) ? "mixed" : io_ddir_name(ddir),
d694a6a7 582 iops_p, bw_p, bw_p_alt, io_p,
fd5d733f 583 (unsigned long long) ts->runtime[ddir],
96563db9 584 post_st ? : "");
dbe1125e 585
96563db9 586 free(post_st);
dbe1125e
JA		 587 free(io_p);
588 free(bw_p);
d694a6a7 589 free(bw_p_alt);
b3605062 590 free(iops_p);
3c39a379 591
b29ad562 592 if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev))
a666cab8 593 display_lat("slat", min, max, mean, dev, out);
b29ad562 594 if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev))
a666cab8 595 display_lat("clat", min, max, mean, dev, out);
b29ad562 596 if (calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev))
a666cab8 597 display_lat(" lat", min, max, mean, dev, out);
692dec0c
NC		 598
599 /* Only print per prio stats if there are >= 2 prios with samples */
600 if (get_nr_prios_with_samples(ts, ddir) >= 2) {
601 for (i = 0; i < ts->nr_clat_prio[ddir]; i++) {
a967e54d
DLM		 602 char buf[64];
603
604 if (!calc_lat(&ts->clat_prio[ddir][i].clat_stat, &min,
605 &max, &mean, &dev))
606 continue;
607
608 snprintf(buf, sizeof(buf),
219a8682 609 "%s prio %u/%u/%u",
a967e54d
DLM		 610 clat_type,
611 ioprio_class(ts->clat_prio[ddir][i].ioprio),
219a8682
DLM		 612 ioprio(ts->clat_prio[ddir][i].ioprio),
613 ioprio_hint(ts->clat_prio[ddir][i].ioprio));
a967e54d 614 display_lat(buf, min, max, mean, dev, out);
692dec0c 615 }
2e86a90c 616 }
02af0988 617
56440e63
VF		 618 if (ts->slat_percentiles && ts->slat_stat[ddir].samples > 0)
619 show_clat_percentiles(ts->io_u_plat[FIO_SLAT][ddir],
620 ts->slat_stat[ddir].samples,
621 ts->percentile_list,
622 ts->percentile_precision, "slat", out);
623 if (ts->clat_percentiles && ts->clat_stat[ddir].samples > 0)
624 show_clat_percentiles(ts->io_u_plat[FIO_CLAT][ddir],
625 ts->clat_stat[ddir].samples,
626 ts->percentile_list,
627 ts->percentile_precision, "clat", out);
628 if (ts->lat_percentiles && ts->lat_stat[ddir].samples > 0)
629 show_clat_percentiles(ts->io_u_plat[FIO_LAT][ddir],
630 ts->lat_stat[ddir].samples,
631 ts->percentile_list,
632 ts->percentile_precision, "lat", out);
633
b599759b 634 if (ts->clat_percentiles || ts->lat_percentiles) {
692dec0c 635 char prio_name[64];
af1600c1
SW		 636 uint64_t samples;
637
56440e63 638 if (ts->lat_percentiles)
af1600c1 639 samples = ts->lat_stat[ddir].samples;
56440e63
VF		 640 else
641 samples = ts->clat_stat[ddir].samples;
b2a432bf 642
692dec0c
NC		 643 /* Only print per prio stats if there are >= 2 prios with samples */
644 if (get_nr_prios_with_samples(ts, ddir) >= 2) {
645 for (i = 0; i < ts->nr_clat_prio[ddir]; i++) {
a967e54d
DLM		 646 uint64_t prio_samples =
647 ts->clat_prio[ddir][i].clat_stat.samples;
648
649 if (!prio_samples)
650 continue;
651
652 snprintf(prio_name, sizeof(prio_name),
219a8682 653 "%s prio %u/%u/%u (%.2f%% of IOs)",
a967e54d
DLM		 654 clat_type,
655 ioprio_class(ts->clat_prio[ddir][i].ioprio),
656 ioprio(ts->clat_prio[ddir][i].ioprio),
219a8682 657 ioprio_hint(ts->clat_prio[ddir][i].ioprio),
a967e54d
DLM		 658 100. * (double) prio_samples / (double) samples);
659 show_clat_percentiles(ts->clat_prio[ddir][i].io_u_plat,
660 prio_samples, ts->percentile_list,
661 ts->percentile_precision,
662 prio_name, out);
692dec0c 663 }
b2a432bf 664 }
83349190 665 }
56440e63 666
079ad09b 667 if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) {
142c7f2d 668 double p_of_agg = 100.0, fkb_base = (double)rs->kb_base;
d694a6a7
RE		 669 const char *bw_str;
670
671 if ((rs->unit_base == 1) && i2p)
672 bw_str = "Kibit";
673 else if (rs->unit_base == 1)
674 bw_str = "kbit";
675 else if (i2p)
676 bw_str = "KiB";
677 else
678 bw_str = "kB";
d686990a 679
5c0abd5e 680 p_of_agg = convert_agg_kbytes_percent(rs, ddir, mean);
d1707474 681
d686990a
SN		 682 if (rs->unit_base == 1) {
683 min *= 8.0;
684 max *= 8.0;
685 mean *= 8.0;
686 dev *= 8.0;
687 }
3c39a379 688
142c7f2d
SN		 689 if (mean > fkb_base * fkb_base) {
690 min /= fkb_base;
691 max /= fkb_base;
692 mean /= fkb_base;
693 dev /= fkb_base;
d694a6a7 694 bw_str = (rs->unit_base == 1 ? "Mibit" : "MiB");
b7017e32
JA		 695 }
696
54c05828 697 log_buf(out, " bw (%5s/s): min=%5llu, max=%5llu, per=%3.2f%%, "
29eb371b 698 "avg=%5.02f, stdev=%5.02f, samples=%" PRIu64 "\n",
54c05828
AH		 699 bw_str, min, max, p_of_agg, mean, dev,
700 (&ts->bw_stat[ddir])->samples);
3c39a379 701 }
188b6016 702 if (calc_lat(&ts->iops_stat[ddir], &min, &max, &mean, &dev)) {
21ba6606 703 log_buf(out, " iops : min=%5llu, max=%5llu, "
29eb371b 704 "avg=%5.02f, stdev=%5.02f, samples=%" PRIu64 "\n",
54c05828 705 min, max, mean, dev, (&ts->iops_stat[ddir])->samples);
188b6016 706 }
3c39a379
JA		 707}
708
53d966f8
NC		 709static void show_mixed_ddir_status(struct group_run_stats *rs,
710 struct thread_stat *ts,
711 struct buf_output *out)
712{
b182f077 713 struct thread_stat *ts_lcl = gen_mixed_ddir_stats_from_ts(ts);
53d966f8 714
b182f077
NC		 715 if (ts_lcl)
716 show_ddir_status(rs, ts_lcl, DDIR_READ, out);
53d966f8 717
692dec0c 718 free_clat_prio_stats(ts_lcl);
53d966f8
NC		 719 free(ts_lcl);
720}
721
8985b491
JA		 722static bool show_lat(double *io_u_lat, int nr, const char **ranges,
723 const char *msg, struct buf_output *out)
04a0feae 724{
8985b491
JA		 725 bool new_line = true, shown = false;
726 int i, line = 0;
04a0feae
JA		 727
728 for (i = 0; i < nr; i++) {
729 if (io_u_lat[i] <= 0.0)
730 continue;
8985b491 731 shown = true;
04a0feae 732 if (new_line) {
4539ed73 733 if (line)
a666cab8 734 log_buf(out, "\n");
4a19fcaa 735 log_buf(out, " lat (%s) : ", msg);
8985b491 736 new_line = false;
04a0feae
JA		 737 line = 0;
738 }
739 if (line)
a666cab8
JA		 740 log_buf(out, ", ");
741 log_buf(out, "%s%3.2f%%", ranges[i], io_u_lat[i]);
04a0feae
JA		 742 line++;
743 if (line == 5)
8985b491 744 new_line = true;
04a0feae 745 }
7e1773ba
JA		 746
747 if (shown)
a666cab8 748 log_buf(out, "\n");
7e1773ba 749
8985b491 750 return true;
04a0feae
JA		 751}
752
d6bb626e
VF		 753static void show_lat_n(double *io_u_lat_n, struct buf_output *out)
754{
755 const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=",
756 "250=", "500=", "750=", "1000=", };
757
758 show_lat(io_u_lat_n, FIO_IO_U_LAT_N_NR, ranges, "nsec", out);
759}
760
a666cab8 761static void show_lat_u(double *io_u_lat_u, struct buf_output *out)
04a0feae
JA		 762{
763 const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=",
764 "250=", "500=", "750=", "1000=", };
765
a666cab8 766 show_lat(io_u_lat_u, FIO_IO_U_LAT_U_NR, ranges, "usec", out);
04a0feae
JA		 767}
768
a666cab8 769static void show_lat_m(double *io_u_lat_m, struct buf_output *out)
04a0feae
JA		 770{
771 const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=",
772 "250=", "500=", "750=", "1000=", "2000=",
773 ">=2000=", };
774
a666cab8 775 show_lat(io_u_lat_m, FIO_IO_U_LAT_M_NR, ranges, "msec", out);
04a0feae
JA		 776}
777
a666cab8 778static void show_latencies(struct thread_stat *ts, struct buf_output *out)
04a0feae 779{
d6bb626e 780 double io_u_lat_n[FIO_IO_U_LAT_N_NR];
c551f65a
JA		 781 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
782 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
783
d6bb626e 784 stat_calc_lat_n(ts, io_u_lat_n);
5a18988e
JA		 785 stat_calc_lat_u(ts, io_u_lat_u);
786 stat_calc_lat_m(ts, io_u_lat_m);
787
d6bb626e 788 show_lat_n(io_u_lat_n, out);
a666cab8
JA		 789 show_lat_u(io_u_lat_u, out);
790 show_lat_m(io_u_lat_m, out);
04a0feae
JA		 791}
792
66347cfa
DE		 793static int block_state_category(int block_state)
794{
795 switch (block_state) {
796 case BLOCK_STATE_UNINIT:
797 return 0;
798 case BLOCK_STATE_TRIMMED:
799 case BLOCK_STATE_WRITTEN:
800 return 1;
801 case BLOCK_STATE_WRITE_FAILURE:
802 case BLOCK_STATE_TRIM_FAILURE:
803 return 2;
804 default:
081c2dc3 805 /* Silence compile warning on some BSDs and have a return */
66347cfa 806 assert(0);
07ff5841 807 return -1;
66347cfa
DE		 808 }
809}
810
811static int compare_block_infos(const void *bs1, const void *bs2)
812{
5fff9543
JF		 813 uint64_t block1 = *(uint64_t *)bs1;
814 uint64_t block2 = *(uint64_t *)bs2;
66347cfa
DE		 815 int state1 = BLOCK_INFO_STATE(block1);
816 int state2 = BLOCK_INFO_STATE(block2);
817 int bscat1 = block_state_category(state1);
818 int bscat2 = block_state_category(state2);
819 int cycles1 = BLOCK_INFO_TRIMS(block1);
820 int cycles2 = BLOCK_INFO_TRIMS(block2);
821
822 if (bscat1 < bscat2)
823 return -1;
824 if (bscat1 > bscat2)
825 return 1;
826
827 if (cycles1 < cycles2)
828 return -1;
829 if (cycles1 > cycles2)
830 return 1;
831
832 if (state1 < state2)
833 return -1;
834 if (state1 > state2)
835 return 1;
836
837 assert(block1 == block2);
838 return 0;
839}
840
841static int calc_block_percentiles(int nr_block_infos, uint32_t *block_infos,
842 fio_fp64_t *plist, unsigned int **percentiles,
843 unsigned int *types)
844{
845 int len = 0;
846 int i, nr_uninit;
847
848 qsort(block_infos, nr_block_infos, sizeof(uint32_t), compare_block_infos);
849
850 while (len < FIO_IO_U_LIST_MAX_LEN && plist[len].u.f != 0.0)
851 len++;
852
853 if (!len)
854 return 0;
855
856 /*
857 * Sort the percentile list. Note that it may already be sorted if
858 * we are using the default values, but since it's a short list this
859 * isn't a worry. Also note that this does not work for NaN values.
860 */
861 if (len > 1)
68e0dc1a 862 qsort(plist, len, sizeof(plist[0]), double_cmp);
66347cfa 863
66347cfa
DE		 864 /* Start only after the uninit entries end */
865 for (nr_uninit = 0;
866 nr_uninit < nr_block_infos
867 && BLOCK_INFO_STATE(block_infos[nr_uninit]) == BLOCK_STATE_UNINIT;
868 nr_uninit ++)
869 ;
870
871 if (nr_uninit == nr_block_infos)
872 return 0;
873
874 *percentiles = calloc(len, sizeof(**percentiles));
875
876 for (i = 0; i < len; i++) {
877 int idx = (plist[i].u.f * (nr_block_infos - nr_uninit) / 100)
878 + nr_uninit;
879 (*percentiles)[i] = BLOCK_INFO_TRIMS(block_infos[idx]);
880 }
881
882 memset(types, 0, sizeof(*types) * BLOCK_STATE_COUNT);
883 for (i = 0; i < nr_block_infos; i++)
884 types[BLOCK_INFO_STATE(block_infos[i])]++;
885
886 return len;
887}
888
889static const char *block_state_names[] = {
890 [BLOCK_STATE_UNINIT] = "unwritten",
891 [BLOCK_STATE_TRIMMED] = "trimmed",
892 [BLOCK_STATE_WRITTEN] = "written",
893 [BLOCK_STATE_TRIM_FAILURE] = "trim failure",
894 [BLOCK_STATE_WRITE_FAILURE] = "write failure",
895};
896
897static void show_block_infos(int nr_block_infos, uint32_t *block_infos,
a666cab8 898 fio_fp64_t *plist, struct buf_output *out)
66347cfa
DE		 899{
900 int len, pos, i;
901 unsigned int *percentiles = NULL;
902 unsigned int block_state_counts[BLOCK_STATE_COUNT];
903
904 len = calc_block_percentiles(nr_block_infos, block_infos, plist,
905 &percentiles, block_state_counts);
906
a666cab8 907 log_buf(out, " block lifetime percentiles :\n |");
66347cfa
DE		 908 pos = 0;
909 for (i = 0; i < len; i++) {
910 uint32_t block_info = percentiles[i];
911#define LINE_LENGTH 75
912 char str[LINE_LENGTH];
913 int strln = snprintf(str, LINE_LENGTH, " %3.2fth=%u%c",
914 plist[i].u.f, block_info,
915 i == len - 1 ? '\n' : ',');
916 assert(strln < LINE_LENGTH);
917 if (pos + strln > LINE_LENGTH) {
918 pos = 0;
a666cab8 919 log_buf(out, "\n |");
66347cfa 920 }
a666cab8 921 log_buf(out, "%s", str);
66347cfa
DE		 922 pos += strln;
923#undef LINE_LENGTH
924 }
925 if (percentiles)
926 free(percentiles);
927
a666cab8 928 log_buf(out, " states :");
66347cfa 929 for (i = 0; i < BLOCK_STATE_COUNT; i++)
a666cab8 930 log_buf(out, " %s=%u%c",
66347cfa
DE		 931 block_state_names[i], block_state_counts[i],
932 i == BLOCK_STATE_COUNT - 1 ? '\n' : ',');
933}
934
d685adfb
VF		 935static void show_ss_normal(struct thread_stat *ts, struct buf_output *out)
936{
d694a6a7 937 char *p1, *p1alt, *p2;
d685adfb
VF		 938 unsigned long long bw_mean, iops_mean;
939 const int i2p = is_power_of_2(ts->kb_base);
940
0c13c969 941 if (!ts->ss_dur)
d685adfb
VF		 942 return;
943
bb49c8bd
VF		 944 bw_mean = steadystate_bw_mean(ts);
945 iops_mean = steadystate_iops_mean(ts);
d685adfb 946
e883cb35
JF		 947 p1 = num2str(bw_mean / ts->kb_base, ts->sig_figs, ts->kb_base, i2p, ts->unit_base);
948 p1alt = num2str(bw_mean / ts->kb_base, ts->sig_figs, ts->kb_base, !i2p, ts->unit_base);
949 p2 = num2str(iops_mean, ts->sig_figs, 1, 0, N2S_NONE);
d685adfb 950
d694a6a7 951 log_buf(out, " steadystate : attained=%s, bw=%s (%s), iops=%s, %s%s=%.3f%s\n",
c8caba48 952 ts->ss_state & FIO_SS_ATTAINED ? "yes" : "no",
d694a6a7 953 p1, p1alt, p2,
c8caba48
JA		 954 ts->ss_state & FIO_SS_IOPS ? "iops" : "bw",
955 ts->ss_state & FIO_SS_SLOPE ? " slope": " mean dev",
bb49c8bd 956 ts->ss_criterion.u.f,
c8caba48 957 ts->ss_state & FIO_SS_PCT ? "%" : "");
d685adfb
VF		 958
959 free(p1);
d694a6a7 960 free(p1alt);
d685adfb
VF		 961 free(p2);
962}
963
2a2fdab1
L		 964static void show_agg_stats(struct disk_util_agg *agg, int terse,
965 struct buf_output *out)
966{
967 if (!agg->slavecount)
968 return;
969
970 if (!terse) {
bb08a260
VF		 971 log_buf(out, ", aggrios=%llu/%llu, aggsectors=%llu/%llu, "
972 "aggrmerge=%llu/%llu, aggrticks=%llu/%llu, "
973 "aggrin_queue=%llu, aggrutil=%3.2f%%",
2a2fdab1
L		 974 (unsigned long long) agg->ios[0] / agg->slavecount,
975 (unsigned long long) agg->ios[1] / agg->slavecount,
bb08a260
VF		 976 (unsigned long long) agg->sectors[0] / agg->slavecount,
977 (unsigned long long) agg->sectors[1] / agg->slavecount,
2a2fdab1
L		 978 (unsigned long long) agg->merges[0] / agg->slavecount,
979 (unsigned long long) agg->merges[1] / agg->slavecount,
980 (unsigned long long) agg->ticks[0] / agg->slavecount,
981 (unsigned long long) agg->ticks[1] / agg->slavecount,
982 (unsigned long long) agg->time_in_queue / agg->slavecount,
983 agg->max_util.u.f);
984 } else {
985 log_buf(out, ";slaves;%llu;%llu;%llu;%llu;%llu;%llu;%llu;%3.2f%%",
986 (unsigned long long) agg->ios[0] / agg->slavecount,
987 (unsigned long long) agg->ios[1] / agg->slavecount,
988 (unsigned long long) agg->merges[0] / agg->slavecount,
989 (unsigned long long) agg->merges[1] / agg->slavecount,
990 (unsigned long long) agg->ticks[0] / agg->slavecount,
991 (unsigned long long) agg->ticks[1] / agg->slavecount,
992 (unsigned long long) agg->time_in_queue / agg->slavecount,
993 agg->max_util.u.f);
994 }
995}
996
997static void aggregate_slaves_stats(struct disk_util *masterdu)
998{
999 struct disk_util_agg *agg = &masterdu->agg;
1000 struct disk_util_stat *dus;
1001 struct flist_head *entry;
1002 struct disk_util *slavedu;
1003 double util;
1004
1005 flist_for_each(entry, &masterdu->slaves) {
1006 slavedu = flist_entry(entry, struct disk_util, slavelist);
1007 dus = &slavedu->dus;
1008 agg->ios[0] += dus->s.ios[0];
1009 agg->ios[1] += dus->s.ios[1];
1010 agg->merges[0] += dus->s.merges[0];
1011 agg->merges[1] += dus->s.merges[1];
1012 agg->sectors[0] += dus->s.sectors[0];
1013 agg->sectors[1] += dus->s.sectors[1];
1014 agg->ticks[0] += dus->s.ticks[0];
1015 agg->ticks[1] += dus->s.ticks[1];
1016 agg->time_in_queue += dus->s.time_in_queue;
1017 agg->slavecount++;
1018
1019 util = (double) (100 * dus->s.io_ticks / (double) slavedu->dus.s.msec);
1020 /* System utilization is the utilization of the
1021 * component with the highest utilization.
1022 */
1023 if (util > agg->max_util.u.f)
1024 agg->max_util.u.f = util;
1025
1026 }
1027
1028 if (agg->max_util.u.f > 100.0)
1029 agg->max_util.u.f = 100.0;
1030}
1031
1032void print_disk_util(struct disk_util_stat *dus, struct disk_util_agg *agg,
1033 int terse, struct buf_output *out)
1034{
1035 double util = 0;
1036
1037 if (dus->s.msec)
1038 util = (double) 100 * dus->s.io_ticks / (double) dus->s.msec;
1039 if (util > 100.0)
1040 util = 100.0;
1041
1042 if (!terse) {
1043 if (agg->slavecount)
1044 log_buf(out, " ");
1045
75cbc26d
BVA		 1046 log_buf(out, " %s: ios=%llu/%llu, sectors=%llu/%llu, "
1047 "merge=%llu/%llu, ticks=%llu/%llu, in_queue=%llu, "
1048 "util=%3.2f%%",
2a2fdab1
L		 1049 dus->name,
1050 (unsigned long long) dus->s.ios[0],
1051 (unsigned long long) dus->s.ios[1],
75cbc26d
BVA		 1052 (unsigned long long) dus->s.sectors[0],
1053 (unsigned long long) dus->s.sectors[1],
2a2fdab1
L		 1054 (unsigned long long) dus->s.merges[0],
1055 (unsigned long long) dus->s.merges[1],
1056 (unsigned long long) dus->s.ticks[0],
1057 (unsigned long long) dus->s.ticks[1],
1058 (unsigned long long) dus->s.time_in_queue,
1059 util);
1060 } else {
1061 log_buf(out, ";%s;%llu;%llu;%llu;%llu;%llu;%llu;%llu;%3.2f%%",
1062 dus->name,
1063 (unsigned long long) dus->s.ios[0],
1064 (unsigned long long) dus->s.ios[1],
1065 (unsigned long long) dus->s.merges[0],
1066 (unsigned long long) dus->s.merges[1],
1067 (unsigned long long) dus->s.ticks[0],
1068 (unsigned long long) dus->s.ticks[1],
1069 (unsigned long long) dus->s.time_in_queue,
1070 util);
1071 }
1072
1073 /*
1074 * If the device has slaves, aggregate the stats for
1075 * those slave devices also.
1076 */
1077 show_agg_stats(agg, terse, out);
1078
1079 if (!terse)
1080 log_buf(out, "\n");
1081}
1082
1083void json_array_add_disk_util(struct disk_util_stat *dus,
1084 struct disk_util_agg *agg, struct json_array *array)
1085{
1086 struct json_object *obj;
1087 double util = 0;
1088
1089 if (dus->s.msec)
1090 util = (double) 100 * dus->s.io_ticks / (double) dus->s.msec;
1091 if (util > 100.0)
1092 util = 100.0;
1093
1094 obj = json_create_object();
1095 json_array_add_value_object(array, obj);
1096
eb2f29b7 1097 json_object_add_value_string(obj, "name", (const char *)dus->name);
2a2fdab1
L		 1098 json_object_add_value_int(obj, "read_ios", dus->s.ios[0]);
1099 json_object_add_value_int(obj, "write_ios", dus->s.ios[1]);
fc250131
VF		 1100 json_object_add_value_int(obj, "read_sectors", dus->s.sectors[0]);
1101 json_object_add_value_int(obj, "write_sectors", dus->s.sectors[1]);
2a2fdab1
L		 1102 json_object_add_value_int(obj, "read_merges", dus->s.merges[0]);
1103 json_object_add_value_int(obj, "write_merges", dus->s.merges[1]);
1104 json_object_add_value_int(obj, "read_ticks", dus->s.ticks[0]);
1105 json_object_add_value_int(obj, "write_ticks", dus->s.ticks[1]);
1106 json_object_add_value_int(obj, "in_queue", dus->s.time_in_queue);
1107 json_object_add_value_float(obj, "util", util);
1108
1109 /*
1110 * If the device has slaves, aggregate the stats for
1111 * those slave devices also.
1112 */
1113 if (!agg->slavecount)
1114 return;
1115 json_object_add_value_int(obj, "aggr_read_ios",
1116 agg->ios[0] / agg->slavecount);
1117 json_object_add_value_int(obj, "aggr_write_ios",
1118 agg->ios[1] / agg->slavecount);
fc250131
VF		 1119 json_object_add_value_int(obj, "aggr_read_sectors",
1120 agg->sectors[0] / agg->slavecount);
1121 json_object_add_value_int(obj, "aggr_write_sectors",
1122 agg->sectors[1] / agg->slavecount);
2a2fdab1
L		 1123 json_object_add_value_int(obj, "aggr_read_merges",
1124 agg->merges[0] / agg->slavecount);
1125 json_object_add_value_int(obj, "aggr_write_merge",
1126 agg->merges[1] / agg->slavecount);
1127 json_object_add_value_int(obj, "aggr_read_ticks",
1128 agg->ticks[0] / agg->slavecount);
1129 json_object_add_value_int(obj, "aggr_write_ticks",
1130 agg->ticks[1] / agg->slavecount);
1131 json_object_add_value_int(obj, "aggr_in_queue",
1132 agg->time_in_queue / agg->slavecount);
1133 json_object_add_value_float(obj, "aggr_util", agg->max_util.u.f);
1134}
1135
1136static void json_object_add_disk_utils(struct json_object *obj,
1137 struct flist_head *head)
1138{
1139 struct json_array *array = json_create_array();
1140 struct flist_head *entry;
1141 struct disk_util *du;
1142
1143 json_object_add_value_array(obj, "disk_util", array);
1144
1145 flist_for_each(entry, head) {
1146 du = flist_entry(entry, struct disk_util, list);
1147
1148 aggregate_slaves_stats(du);
1149 json_array_add_disk_util(&du->dus, &du->agg, array);
1150 }
1151}
1152
1153void show_disk_util(int terse, struct json_object *parent,
1154 struct buf_output *out)
1155{
1156 struct flist_head *entry;
1157 struct disk_util *du;
1158 bool do_json;
1159
1160 if (!is_running_backend())
1161 return;
1162
6dc75062 1163 if (flist_empty(&disk_list))
2a2fdab1 1164 return;
2a2fdab1
L		 1165
1166 if ((output_format & FIO_OUTPUT_JSON) && parent)
1167 do_json = true;
1168 else
1169 do_json = false;
1170
1171 if (!terse && !do_json)
1172 log_buf(out, "\nDisk stats (read/write):\n");
1173
6dc75062 1174 if (do_json) {
2a2fdab1 1175 json_object_add_disk_utils(parent, &disk_list);
6dc75062 1176 } else if (output_format & ~(FIO_OUTPUT_JSON | FIO_OUTPUT_JSON_PLUS)) {
2a2fdab1
L		 1177 flist_for_each(entry, &disk_list) {
1178 du = flist_entry(entry, struct disk_util, list);
1179
1180 aggregate_slaves_stats(du);
1181 print_disk_util(&du->dus, &du->agg, terse, out);
1182 }
1183 }
1184}
1185
10aa136b 1186static void show_thread_status_normal(struct thread_stat *ts,
a666cab8
JA		 1187 struct group_run_stats *rs,
1188 struct buf_output *out)
3c39a379
JA		 1189{
1190 double usr_cpu, sys_cpu;
69008999 1191 unsigned long runtime;
71619dc2 1192 double io_u_dist[FIO_IO_U_MAP_NR];
57a64324 1193 time_t time_p;
35326842 1194 char time_buf[32];
3c39a379 1195
9966af7b 1196 if (!ddir_rw_sum(ts->io_bytes) && !ddir_rw_sum(ts->total_io_u))
3c39a379 1197 return;
7a4e480d 1198
33477b4b 1199 memset(time_buf, 0, sizeof(time_buf));
3c39a379 1200
57a64324 1201 time(&time_p);
45054cbe 1202 os_ctime_r((const time_t *) &time_p, time_buf, sizeof(time_buf));
57a64324 1203
5ec10eaa 1204 if (!ts->error) {
a666cab8 1205 log_buf(out, "%s: (groupid=%d, jobs=%d): err=%2d: pid=%d: %s",
5ec10eaa 1206 ts->name, ts->groupid, ts->members,
57a64324 1207 ts->error, (int) ts->pid, time_buf);
5ec10eaa 1208 } else {
a666cab8 1209 log_buf(out, "%s: (groupid=%d, jobs=%d): err=%2d (%s): pid=%d: %s",
5ec10eaa 1210 ts->name, ts->groupid, ts->members,
57a64324
JA		 1211 ts->error, ts->verror, (int) ts->pid,
1212 time_buf);
5ec10eaa 1213 }
3c39a379 1214
259e47de 1215 if (strlen(ts->description))
a666cab8 1216 log_buf(out, " Description : [%s]\n", ts->description);
7bdce1bd 1217
dde39f8c
AD		 1218 for_each_rw_ddir(ddir) {
1219 if (ts->io_bytes[ddir])
1220 show_ddir_status(rs, ts, ddir, out);
1221 }
3c39a379 1222
5cb8a8cd
BP		 1223 if (ts->unified_rw_rep == UNIFIED_BOTH)
1224 show_mixed_ddir_status(rs, ts, out);
1225
a666cab8 1226 show_latencies(ts, out);
7e1773ba 1227
b2b3eefe
JA		 1228 if (ts->sync_stat.samples)
1229 show_ddir_status(rs, ts, DDIR_SYNC, out);
1230
756867bd 1231 runtime = ts->total_run_time;
69008999 1232 if (runtime) {
1e97cce9 1233 double runt = (double) runtime;
3c39a379 1234
756867bd
JA		 1235 usr_cpu = (double) ts->usr_time * 100 / runt;
1236 sys_cpu = (double) ts->sys_time * 100 / runt;
3c39a379
JA		 1237 } else {
1238 usr_cpu = 0;
1239 sys_cpu = 0;
1240 }
1241
a666cab8 1242 log_buf(out, " cpu : usr=%3.2f%%, sys=%3.2f%%, ctx=%llu,"
4e0a8fa2
JA		 1243 " majf=%llu, minf=%llu\n", usr_cpu, sys_cpu,
1244 (unsigned long long) ts->ctx,
1245 (unsigned long long) ts->majf,
1246 (unsigned long long) ts->minf);
71619dc2 1247
d79db122 1248 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
a666cab8 1249 log_buf(out, " IO depths : 1=%3.1f%%, 2=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%,"
5ec10eaa
JA		 1250 " 16=%3.1f%%, 32=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0],
1251 io_u_dist[1], io_u_dist[2],
1252 io_u_dist[3], io_u_dist[4],
1253 io_u_dist[5], io_u_dist[6]);
838bc709
JA		 1254
1255 stat_calc_dist(ts->io_u_submit, ts->total_submit, io_u_dist);
a666cab8 1256 log_buf(out, " submit : 0=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%, 16=%3.1f%%,"
838bc709
JA		 1257 " 32=%3.1f%%, 64=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0],
1258 io_u_dist[1], io_u_dist[2],
1259 io_u_dist[3], io_u_dist[4],
1260 io_u_dist[5], io_u_dist[6]);
1261 stat_calc_dist(ts->io_u_complete, ts->total_complete, io_u_dist);
a666cab8 1262 log_buf(out, " complete : 0=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%, 16=%3.1f%%,"
838bc709
JA		 1263 " 32=%3.1f%%, 64=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0],
1264 io_u_dist[1], io_u_dist[2],
1265 io_u_dist[3], io_u_dist[4],
1266 io_u_dist[5], io_u_dist[6]);
7f3ecee2
JA		 1267 log_buf(out, " issued rwts: total=%llu,%llu,%llu,%llu"
1268 " short=%llu,%llu,%llu,0"
1269 " dropped=%llu,%llu,%llu,0\n",
4e0a8fa2
JA		 1270 (unsigned long long) ts->total_io_u[0],
1271 (unsigned long long) ts->total_io_u[1],
1272 (unsigned long long) ts->total_io_u[2],
7f3ecee2 1273 (unsigned long long) ts->total_io_u[3],
4e0a8fa2
JA		 1274 (unsigned long long) ts->short_io_u[0],
1275 (unsigned long long) ts->short_io_u[1],
3bcb9d94
JA		 1276 (unsigned long long) ts->short_io_u[2],
1277 (unsigned long long) ts->drop_io_u[0],
1278 (unsigned long long) ts->drop_io_u[1],
1279 (unsigned long long) ts->drop_io_u[2]);
f2bba182 1280 if (ts->continue_on_error) {
a666cab8 1281 log_buf(out, " errors : total=%llu, first_error=%d/<%s>\n",
4e0a8fa2 1282 (unsigned long long)ts->total_err_count,
1ec99eea
JA		 1283 ts->first_error,
1284 strerror(ts->first_error));
f2bba182 1285 }
3e260a46 1286 if (ts->latency_depth) {
a666cab8 1287 log_buf(out, " latency : target=%llu, window=%llu, percentile=%.2f%%, depth=%u\n",
3e260a46
JA		 1288 (unsigned long long)ts->latency_target,
1289 (unsigned long long)ts->latency_window,
1290 ts->latency_percentile.u.f,
1291 ts->latency_depth);
1292 }
66347cfa
DE		 1293
1294 if (ts->nr_block_infos)
1295 show_block_infos(ts->nr_block_infos, ts->block_infos,
a666cab8 1296 ts->percentile_list, out);
d685adfb 1297
bb49c8bd 1298 if (ts->ss_dur)
d685adfb 1299 show_ss_normal(ts, out);
3c39a379
JA		 1300}
1301
756867bd 1302static void show_ddir_status_terse(struct thread_stat *ts,
2e545522
NC		 1303 struct group_run_stats *rs,
1304 enum fio_ddir ddir, int ver,
1305 struct buf_output *out)
c6ae0a5b 1306{
d6bb626e
VF		 1307 unsigned long long min, max, minv, maxv, bw, iops;
1308 unsigned long long *ovals = NULL;
c6ae0a5b 1309 double mean, dev;
d6bb626e 1310 unsigned int len;
a2c95580 1311 int i, bw_stat;
c6ae0a5b 1312
ff58fced
JA		 1313 assert(ddir_rw(ddir));
1314
312b4af2
JA		 1315 iops = bw = 0;
1316 if (ts->runtime[ddir]) {
1317 uint64_t runt = ts->runtime[ddir];
1318
420b104a 1319 bw = ((1000 * ts->io_bytes[ddir]) / runt) / 1024; /* KiB/s */
312b4af2
JA		 1320 iops = (1000 * (uint64_t) ts->total_io_u[ddir]) / runt;
1321 }
c6ae0a5b 1322
a666cab8 1323 log_buf(out, ";%llu;%llu;%llu;%llu",
4e0a8fa2
JA		 1324 (unsigned long long) ts->io_bytes[ddir] >> 10, bw, iops,
1325 (unsigned long long) ts->runtime[ddir]);
c6ae0a5b 1326
079ad09b 1327 if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev))
247823cc 1328 log_buf(out, ";%llu;%llu;%f;%f", min/1000, max/1000, mean/1000, dev/1000);
c6ae0a5b 1329 else
d6bb626e 1330 log_buf(out, ";%llu;%llu;%f;%f", 0ULL, 0ULL, 0.0, 0.0);
c6ae0a5b 1331
079ad09b 1332 if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev))
247823cc 1333 log_buf(out, ";%llu;%llu;%f;%f", min/1000, max/1000, mean/1000, dev/1000);
c6ae0a5b 1334 else
d6bb626e 1335 log_buf(out, ";%llu;%llu;%f;%f", 0ULL, 0ULL, 0.0, 0.0);
c6ae0a5b 1336
6dc75062 1337 if (ts->lat_percentiles) {
56440e63
VF		 1338 len = calc_clat_percentiles(ts->io_u_plat[FIO_LAT][ddir],
1339 ts->lat_stat[ddir].samples,
1340 ts->percentile_list, &ovals, &maxv,
1341 &minv);
6dc75062 1342 } else if (ts->clat_percentiles) {
df8781b6 1343 len = calc_clat_percentiles(ts->io_u_plat[FIO_CLAT][ddir],
1db92cb6
JA		 1344 ts->clat_stat[ddir].samples,
1345 ts->percentile_list, &ovals, &maxv,
1346 &minv);
6dc75062 1347 } else {
1db92cb6 1348 len = 0;
6dc75062
JA		 1349 }
1350
1db92cb6
JA		 1351 for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) {
1352 if (i >= len) {
a666cab8 1353 log_buf(out, ";0%%=0");
1db92cb6
JA		 1354 continue;
1355 }
247823cc 1356 log_buf(out, ";%f%%=%llu", ts->percentile_list[i].u.f, ovals[i]/1000);
1db92cb6 1357 }
2341a37a
K		 1358
1359 if (calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev))
247823cc 1360 log_buf(out, ";%llu;%llu;%f;%f", min/1000, max/1000, mean/1000, dev/1000);
2341a37a 1361 else
d6bb626e 1362 log_buf(out, ";%llu;%llu;%f;%f", 0ULL, 0ULL, 0.0, 0.0);
2341a37a 1363
283feb79 1364 free(ovals);
1db92cb6 1365
a2c95580
AH		 1366 bw_stat = calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev);
1367 if (bw_stat) {
19d3e967
JA		 1368 double p_of_agg = 100.0;
1369
1370 if (rs->agg[ddir]) {
d1707474 1371 p_of_agg = mean * 100 / (double) (rs->agg[ddir] / 1024);
19d3e967
JA		 1372 if (p_of_agg > 100.0)
1373 p_of_agg = 100.0;
1374 }
c6ae0a5b 1375
d6bb626e 1376 log_buf(out, ";%llu;%llu;%f%%;%f;%f", min, max, p_of_agg, mean, dev);
6dc75062 1377 } else {
d6bb626e 1378 log_buf(out, ";%llu;%llu;%f%%;%f;%f", 0ULL, 0ULL, 0.0, 0.0, 0.0);
6dc75062 1379 }
a2c95580
AH		 1380
1381 if (ver == 5) {
1382 if (bw_stat)
29eb371b 1383 log_buf(out, ";%" PRIu64, (&ts->bw_stat[ddir])->samples);
a2c95580
AH		 1384 else
1385 log_buf(out, ";%lu", 0UL);
1386
1387 if (calc_lat(&ts->iops_stat[ddir], &min, &max, &mean, &dev))
29eb371b 1388 log_buf(out, ";%llu;%llu;%f;%f;%" PRIu64, min, max,
a2c95580
AH		 1389 mean, dev, (&ts->iops_stat[ddir])->samples);
1390 else
1391 log_buf(out, ";%llu;%llu;%f;%f;%lu", 0ULL, 0ULL, 0.0, 0.0, 0UL);
1392 }
c6ae0a5b
JA		 1393}
1394
5cb8a8cd
BP		 1395static void show_mixed_ddir_status_terse(struct thread_stat *ts,
1396 struct group_run_stats *rs,
1397 int ver, struct buf_output *out)
1398{
b182f077 1399 struct thread_stat *ts_lcl = gen_mixed_ddir_stats_from_ts(ts);
5cb8a8cd 1400
b182f077
NC		 1401 if (ts_lcl)
1402 show_ddir_status_terse(ts_lcl, rs, DDIR_READ, ver, out);
5cb8a8cd 1403
692dec0c 1404 free_clat_prio_stats(ts_lcl);
5cb8a8cd
BP		 1405 free(ts_lcl);
1406}
1407
6dc75062
JA		 1408static struct json_object *add_ddir_lat_json(struct thread_stat *ts,
1409 uint32_t percentiles,
1410 struct io_stat *lat_stat,
1411 uint64_t *io_u_plat)
56440e63
VF		 1412{
1413 char buf[120];
1414 double mean, dev;
1415 unsigned int i, len;
1416 struct json_object *lat_object, *percentile_object, *clat_bins_object;
1417 unsigned long long min, max, maxv, minv, *ovals = NULL;
1418
1419 if (!calc_lat(lat_stat, &min, &max, &mean, &dev)) {
1420 min = max = 0;
1421 mean = dev = 0.0;
1422 }
1423 lat_object = json_create_object();
1424 json_object_add_value_int(lat_object, "min", min);
1425 json_object_add_value_int(lat_object, "max", max);
1426 json_object_add_value_float(lat_object, "mean", mean);
1427 json_object_add_value_float(lat_object, "stddev", dev);
1428 json_object_add_value_int(lat_object, "N", lat_stat->samples);
1429
1430 if (percentiles && lat_stat->samples) {
1431 len = calc_clat_percentiles(io_u_plat, lat_stat->samples,
1432 ts->percentile_list, &ovals, &maxv, &minv);
1433
1434 if (len > FIO_IO_U_LIST_MAX_LEN)
1435 len = FIO_IO_U_LIST_MAX_LEN;
1436
1437 percentile_object = json_create_object();
1438 json_object_add_value_object(lat_object, "percentile", percentile_object);
1439 for (i = 0; i < len; i++) {
1440 snprintf(buf, sizeof(buf), "%f", ts->percentile_list[i].u.f);
1441 json_object_add_value_int(percentile_object, buf, ovals[i]);
1442 }
1443 free(ovals);
1444
1445 if (output_format & FIO_OUTPUT_JSON_PLUS) {
1446 clat_bins_object = json_create_object();
1447 json_object_add_value_object(lat_object, "bins", clat_bins_object);
1448
1449 for(i = 0; i < FIO_IO_U_PLAT_NR; i++)
1450 if (io_u_plat[i]) {
1451 snprintf(buf, sizeof(buf), "%llu", plat_idx_to_val(i));
1452 json_object_add_value_int(clat_bins_object, buf, io_u_plat[i]);
1453 }
1454 }
1455 }
1456
1457 return lat_object;
1458}
1459
cc372b17 1460static void add_ddir_status_json(struct thread_stat *ts,
2e545522
NC		 1461 struct group_run_stats *rs, enum fio_ddir ddir,
1462 struct json_object *parent)
cc372b17 1463{
56440e63 1464 unsigned long long min, max;
aedd021d 1465 unsigned long long bw_bytes, bw;
9f68fe3a 1466 double mean, dev, iops;
56440e63 1467 struct json_object *dir_object, *tmp_object;
cc372b17
SL		 1468 double p_of_agg = 100.0;
1469
b2b3eefe 1470 assert(ddir_rw(ddir) || ddir_sync(ddir));
cc372b17 1471
5cb8a8cd 1472 if ((ts->unified_rw_rep == UNIFIED_MIXED) && ddir != DDIR_READ)
771e58be
JA		 1473 return;
1474
cc372b17 1475 dir_object = json_create_object();
771e58be 1476 json_object_add_value_object(parent,
5cb8a8cd 1477 (ts->unified_rw_rep == UNIFIED_MIXED) ? "mixed" : io_ddir_name(ddir), dir_object);
cc372b17 1478
b2b3eefe
JA		 1479 if (ddir_rw(ddir)) {
1480 bw_bytes = 0;
1481 bw = 0;
1482 iops = 0.0;
1483 if (ts->runtime[ddir]) {
1484 uint64_t runt = ts->runtime[ddir];
cc372b17 1485
b2b3eefe
JA		 1486 bw_bytes = ((1000 * ts->io_bytes[ddir]) / runt); /* Bytes/s */
1487 bw = bw_bytes / 1024; /* KiB/s */
1488 iops = (1000.0 * (uint64_t) ts->total_io_u[ddir]) / runt;
1489 }
cc372b17 1490
b2b3eefe
JA		 1491 json_object_add_value_int(dir_object, "io_bytes", ts->io_bytes[ddir]);
1492 json_object_add_value_int(dir_object, "io_kbytes", ts->io_bytes[ddir] >> 10);
1493 json_object_add_value_int(dir_object, "bw_bytes", bw_bytes);
1494 json_object_add_value_int(dir_object, "bw", bw);
1495 json_object_add_value_float(dir_object, "iops", iops);
1496 json_object_add_value_int(dir_object, "runtime", ts->runtime[ddir]);
1497 json_object_add_value_int(dir_object, "total_ios", ts->total_io_u[ddir]);
1498 json_object_add_value_int(dir_object, "short_ios", ts->short_io_u[ddir]);
1499 json_object_add_value_int(dir_object, "drop_ios", ts->drop_io_u[ddir]);
1500
56440e63
VF		 1501 tmp_object = add_ddir_lat_json(ts, ts->slat_percentiles,
1502 &ts->slat_stat[ddir], ts->io_u_plat[FIO_SLAT][ddir]);
b2b3eefe 1503 json_object_add_value_object(dir_object, "slat_ns", tmp_object);
56440e63
VF		 1504
1505 tmp_object = add_ddir_lat_json(ts, ts->clat_percentiles,
1506 &ts->clat_stat[ddir], ts->io_u_plat[FIO_CLAT][ddir]);
b2b3eefe 1507 json_object_add_value_object(dir_object, "clat_ns", tmp_object);
cc372b17 1508
56440e63
VF		 1509 tmp_object = add_ddir_lat_json(ts, ts->lat_percentiles,
1510 &ts->lat_stat[ddir], ts->io_u_plat[FIO_LAT][ddir]);
b2b3eefe 1511 json_object_add_value_object(dir_object, "lat_ns", tmp_object);
56440e63 1512 } else {
f5ec8123 1513 json_object_add_value_int(dir_object, "total_ios", ts->total_io_u[DDIR_SYNC]);
56440e63
VF		 1514 tmp_object = add_ddir_lat_json(ts, ts->lat_percentiles | ts->clat_percentiles,
1515 &ts->sync_stat, ts->io_u_sync_plat);
1516 json_object_add_value_object(dir_object, "lat_ns", tmp_object);
513e37ee
VF		 1517 }
1518
56440e63
VF		 1519 if (!ddir_rw(ddir))
1520 return;
b2a432bf 1521
1cbbba65
NC		 1522 /* Only include per prio stats if there are >= 2 prios with samples */
1523 if (get_nr_prios_with_samples(ts, ddir) >= 2) {
1524 struct json_array *array = json_create_array();
1525 const char *obj_name;
1526 int i;
1527
1528 if (ts->lat_percentiles)
1529 obj_name = "lat_ns";
1530 else
1531 obj_name = "clat_ns";
b2a432bf 1532
1cbbba65 1533 json_object_add_value_array(dir_object, "prios", array);
b2b3eefe 1534
1cbbba65 1535 for (i = 0; i < ts->nr_clat_prio[ddir]; i++) {
a967e54d
DLM		 1536 struct json_object *obj;
1537
1538 if (!ts->clat_prio[ddir][i].clat_stat.samples)
1539 continue;
1540
1541 obj = json_create_object();
1542
1543 json_object_add_value_int(obj, "prioclass",
1544 ioprio_class(ts->clat_prio[ddir][i].ioprio));
1545 json_object_add_value_int(obj, "prio",
1546 ioprio(ts->clat_prio[ddir][i].ioprio));
219a8682
DLM		 1547 json_object_add_value_int(obj, "priohint",
1548 ioprio_hint(ts->clat_prio[ddir][i].ioprio));
a967e54d
DLM		 1549
1550 tmp_object = add_ddir_lat_json(ts,
1551 ts->clat_percentiles | ts->lat_percentiles,
1552 &ts->clat_prio[ddir][i].clat_stat,
1553 ts->clat_prio[ddir][i].io_u_plat);
1554 json_object_add_value_object(obj, obj_name, tmp_object);
1555 json_array_add_value_object(array, obj);
1cbbba65 1556 }
cc372b17 1557 }
24cab44e 1558
b9e1b491 1559 if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) {
5c0abd5e 1560 p_of_agg = convert_agg_kbytes_percent(rs, ddir, mean);
cc372b17
SL		 1561 } else {
1562 min = max = 0;
1563 p_of_agg = mean = dev = 0.0;
1564 }
56440e63 1565
cc372b17
SL		 1566 json_object_add_value_int(dir_object, "bw_min", min);
1567 json_object_add_value_int(dir_object, "bw_max", max);
a806bf2e 1568 json_object_add_value_float(dir_object, "bw_agg", p_of_agg);
cc372b17
SL		 1569 json_object_add_value_float(dir_object, "bw_mean", mean);
1570 json_object_add_value_float(dir_object, "bw_dev", dev);
54c05828
AH		 1571 json_object_add_value_int(dir_object, "bw_samples",
1572 (&ts->bw_stat[ddir])->samples);
188b6016
AH		 1573
1574 if (!calc_lat(&ts->iops_stat[ddir], &min, &max, &mean, &dev)) {
1575 min = max = 0;
1576 mean = dev = 0.0;
1577 }
1578 json_object_add_value_int(dir_object, "iops_min", min);
1579 json_object_add_value_int(dir_object, "iops_max", max);
1580 json_object_add_value_float(dir_object, "iops_mean", mean);
1581 json_object_add_value_float(dir_object, "iops_stddev", dev);
54c05828
AH		 1582 json_object_add_value_int(dir_object, "iops_samples",
1583 (&ts->iops_stat[ddir])->samples);
96563db9
JA		 1584
1585 if (ts->cachehit + ts->cachemiss) {
1586 uint64_t total;
1587 double hit;
1588
1589 total = ts->cachehit + ts->cachemiss;
1590 hit = (double) ts->cachehit / (double) total;
1591 hit *= 100.0;
1592 json_object_add_value_float(dir_object, "cachehit", hit);
1593 }
cc372b17
SL		 1594}
1595
5cb8a8cd
BP		 1596static void add_mixed_ddir_status_json(struct thread_stat *ts,
1597 struct group_run_stats *rs, struct json_object *parent)
1598{
b182f077 1599 struct thread_stat *ts_lcl = gen_mixed_ddir_stats_from_ts(ts);
5cb8a8cd
BP		 1600
1601 /* add the aggregated stats to json parent */
b182f077
NC		 1602 if (ts_lcl)
1603 add_ddir_status_json(ts_lcl, rs, DDIR_READ, parent);
1604
692dec0c 1605 free_clat_prio_stats(ts_lcl);
5cb8a8cd
BP		 1606 free(ts_lcl);
1607}
1608
bef2112b
AH		 1609static void show_thread_status_terse_all(struct thread_stat *ts,
1610 struct group_run_stats *rs, int ver,
1611 struct buf_output *out)
4d658652
JA		 1612{
1613 double io_u_dist[FIO_IO_U_MAP_NR];
1614 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
1615 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
1616 double usr_cpu, sys_cpu;
1617 int i;
1618
1619 /* General Info */
bef2112b
AH		 1620 if (ver == 2)
1621 log_buf(out, "2;%s;%d;%d", ts->name, ts->groupid, ts->error);
1622 else
1623 log_buf(out, "%d;%s;%s;%d;%d", ver, fio_version_string,
1624 ts->name, ts->groupid, ts->error);
c6ae0a5b 1625
5cb8a8cd 1626 /* Log Read Status, or mixed if unified_rw_rep = 1 */
a2c95580 1627 show_ddir_status_terse(ts, rs, DDIR_READ, ver, out);
5cb8a8cd
BP		 1628 if (ts->unified_rw_rep != UNIFIED_MIXED) {
1629 /* Log Write Status */
1630 show_ddir_status_terse(ts, rs, DDIR_WRITE, ver, out);
1631 /* Log Trim Status */
1632 if (ver == 2 || ver == 4 || ver == 5)
1633 show_ddir_status_terse(ts, rs, DDIR_TRIM, ver, out);
1634 }
1635 if (ts->unified_rw_rep == UNIFIED_BOTH)
1636 show_mixed_ddir_status_terse(ts, rs, ver, out);
562c2d2f 1637 /* CPU Usage */
756867bd
JA		 1638 if (ts->total_run_time) {
1639 double runt = (double) ts->total_run_time;
c6ae0a5b 1640
756867bd
JA		 1641 usr_cpu = (double) ts->usr_time * 100 / runt;
1642 sys_cpu = (double) ts->sys_time * 100 / runt;
c6ae0a5b
JA		 1643 } else {
1644 usr_cpu = 0;
1645 sys_cpu = 0;
1646 }
1647
a666cab8 1648 log_buf(out, ";%f%%;%f%%;%llu;%llu;%llu", usr_cpu, sys_cpu,
4e0a8fa2
JA		 1649 (unsigned long long) ts->ctx,
1650 (unsigned long long) ts->majf,
1651 (unsigned long long) ts->minf);
2270890c 1652
562c2d2f 1653 /* Calc % distribution of IO depths, usecond, msecond latency */
d79db122 1654 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
247823cc 1655 stat_calc_lat_nu(ts, io_u_lat_u);
04a0feae 1656 stat_calc_lat_m(ts, io_u_lat_m);
2270890c 1657
562c2d2f 1658 /* Only show fixed 7 I/O depth levels*/
a666cab8 1659 log_buf(out, ";%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%",
5ec10eaa
JA		 1660 io_u_dist[0], io_u_dist[1], io_u_dist[2], io_u_dist[3],
1661 io_u_dist[4], io_u_dist[5], io_u_dist[6]);
2270890c 1662
562c2d2f 1663 /* Microsecond latency */
04a0feae 1664 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++)
a666cab8 1665 log_buf(out, ";%3.2f%%", io_u_lat_u[i]);
562c2d2f 1666 /* Millisecond latency */
04a0feae 1667 for (i = 0; i < FIO_IO_U_LAT_M_NR; i++)
a666cab8 1668 log_buf(out, ";%3.2f%%", io_u_lat_m[i]);
f2f788dd
JA		 1669
1670 /* disk util stats, if any */
24a97130 1671 if (ver >= 3 && is_running_backend())
bef2112b 1672 show_disk_util(1, NULL, out);
f2f788dd 1673
562c2d2f 1674 /* Additional output if continue_on_error set - default off*/
f2bba182 1675 if (ts->continue_on_error)
a666cab8 1676 log_buf(out, ";%llu;%d", (unsigned long long) ts->total_err_count, ts->first_error);
2270890c 1677
562c2d2f 1678 /* Additional output if description is set */
d5495f0b
VF		 1679 if (strlen(ts->description)) {
1680 if (ver == 2)
1681 log_buf(out, "\n");
a666cab8 1682 log_buf(out, ";%s", ts->description);
d5495f0b 1683 }
946e4276 1684
a666cab8 1685 log_buf(out, "\n");
756867bd
JA		 1686}
1687
a89ba4b1 1688static void json_add_job_opts(struct json_object *root, const char *name,
0cf542af 1689 struct flist_head *opt_list)
66e19a38
JA		 1690{
1691 struct json_object *dir_object;
1692 struct flist_head *entry;
1693 struct print_option *p;
1694
1695 if (flist_empty(opt_list))
1696 return;
1697
1698 dir_object = json_create_object();
1699 json_object_add_value_object(root, name, dir_object);
1700
1701 flist_for_each(entry, opt_list) {
66e19a38 1702 p = flist_entry(entry, struct print_option, list);
c42b48fe 1703 json_object_add_value_string(dir_object, p->name, p->value);
66e19a38
JA		 1704 }
1705}
1706
cc372b17 1707static struct json_object *show_thread_status_json(struct thread_stat *ts,
66e19a38
JA		 1708 struct group_run_stats *rs,
1709 struct flist_head *opt_list)
cc372b17
SL		 1710{
1711 struct json_object *root, *tmp;
b01af66b 1712 struct jobs_eta *je;
cc372b17 1713 double io_u_dist[FIO_IO_U_MAP_NR];
d6bb626e 1714 double io_u_lat_n[FIO_IO_U_LAT_N_NR];
cc372b17
SL		 1715 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
1716 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
1717 double usr_cpu, sys_cpu;
1718 int i;
b01af66b
CJ		 1719 size_t size;
1720
cc372b17
SL		 1721 root = json_create_object();
1722 json_object_add_value_string(root, "jobname", ts->name);
1723 json_object_add_value_int(root, "groupid", ts->groupid);
12d325ca 1724 json_object_add_value_int(root, "job_start", ts->job_start);
cc372b17
SL		 1725 json_object_add_value_int(root, "error", ts->error);
1726
b01af66b 1727 /* ETA Info */
c5103619 1728 je = get_jobs_eta(true, &size);
2de615ad
JA		 1729 if (je) {
1730 json_object_add_value_int(root, "eta", je->eta_sec);
1731 json_object_add_value_int(root, "elapsed", je->elapsed_sec);
0fc3cb4c 1732 free(je);
2de615ad 1733 }
b01af66b 1734
66e19a38 1735 if (opt_list)
0cf542af 1736 json_add_job_opts(root, "job options", opt_list);
66e19a38 1737
cc372b17
SL		 1738 add_ddir_status_json(ts, rs, DDIR_READ, root);
1739 add_ddir_status_json(ts, rs, DDIR_WRITE, root);
f3afa57e 1740 add_ddir_status_json(ts, rs, DDIR_TRIM, root);
b2b3eefe 1741 add_ddir_status_json(ts, rs, DDIR_SYNC, root);
cc372b17 1742
5cb8a8cd
BP		 1743 if (ts->unified_rw_rep == UNIFIED_BOTH)
1744 add_mixed_ddir_status_json(ts, rs, root);
1745
cc372b17
SL		 1746 /* CPU Usage */
1747 if (ts->total_run_time) {
1748 double runt = (double) ts->total_run_time;
1749
1750 usr_cpu = (double) ts->usr_time * 100 / runt;
1751 sys_cpu = (double) ts->sys_time * 100 / runt;
1752 } else {
1753 usr_cpu = 0;
1754 sys_cpu = 0;
1755 }
bcbb4c6c 1756 json_object_add_value_int(root, "job_runtime", ts->total_run_time);
cc372b17
SL		 1757 json_object_add_value_float(root, "usr_cpu", usr_cpu);
1758 json_object_add_value_float(root, "sys_cpu", sys_cpu);
1759 json_object_add_value_int(root, "ctx", ts->ctx);
1760 json_object_add_value_int(root, "majf", ts->majf);
1761 json_object_add_value_int(root, "minf", ts->minf);
1762
ec3e3648 1763 /* Calc % distribution of IO depths */
d79db122 1764 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
cc372b17
SL		 1765 tmp = json_create_object();
1766 json_object_add_value_object(root, "iodepth_level", tmp);
1767 /* Only show fixed 7 I/O depth levels*/
1768 for (i = 0; i < 7; i++) {
1769 char name[20];
1770 if (i < 6)
98ffb8f3 1771 snprintf(name, 20, "%d", 1 << i);
cc372b17 1772 else
98ffb8f3 1773 snprintf(name, 20, ">=%d", 1 << i);
cc372b17
SL		 1774 json_object_add_value_float(tmp, (const char *)name, io_u_dist[i]);
1775 }
1776
ec3e3648
VF		 1777 /* Calc % distribution of submit IO depths */
1778 stat_calc_dist(ts->io_u_submit, ts->total_submit, io_u_dist);
1779 tmp = json_create_object();
1780 json_object_add_value_object(root, "iodepth_submit", tmp);
1781 /* Only show fixed 7 I/O depth levels*/
1782 for (i = 0; i < 7; i++) {
1783 char name[20];
1784 if (i == 0)
1785 snprintf(name, 20, "0");
1786 else if (i < 6)
1787 snprintf(name, 20, "%d", 1 << (i+1));
1788 else
1789 snprintf(name, 20, ">=%d", 1 << i);
1790 json_object_add_value_float(tmp, (const char *)name, io_u_dist[i]);
1791 }
1792
1793 /* Calc % distribution of completion IO depths */
1794 stat_calc_dist(ts->io_u_complete, ts->total_complete, io_u_dist);
1795 tmp = json_create_object();
1796 json_object_add_value_object(root, "iodepth_complete", tmp);
1797 /* Only show fixed 7 I/O depth levels*/
1798 for (i = 0; i < 7; i++) {
1799 char name[20];
1800 if (i == 0)
1801 snprintf(name, 20, "0");
1802 else if (i < 6)
1803 snprintf(name, 20, "%d", 1 << (i+1));
1804 else
1805 snprintf(name, 20, ">=%d", 1 << i);
1806 json_object_add_value_float(tmp, (const char *)name, io_u_dist[i]);
1807 }
1808
1809 /* Calc % distribution of nsecond, usecond, msecond latency */
1810 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
1811 stat_calc_lat_n(ts, io_u_lat_n);
1812 stat_calc_lat_u(ts, io_u_lat_u);
1813 stat_calc_lat_m(ts, io_u_lat_m);
1814
d6bb626e 1815 /* Nanosecond latency */
cc372b17 1816 tmp = json_create_object();
d6bb626e
VF		 1817 json_object_add_value_object(root, "latency_ns", tmp);
1818 for (i = 0; i < FIO_IO_U_LAT_N_NR; i++) {
1819 const char *ranges[] = { "2", "4", "10", "20", "50", "100",
1820 "250", "500", "750", "1000", };
1821 json_object_add_value_float(tmp, ranges[i], io_u_lat_n[i]);
1822 }
cc372b17 1823 /* Microsecond latency */
d6bb626e
VF		 1824 tmp = json_create_object();
1825 json_object_add_value_object(root, "latency_us", tmp);
cc372b17
SL		 1826 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) {
1827 const char *ranges[] = { "2", "4", "10", "20", "50", "100",
1828 "250", "500", "750", "1000", };
1829 json_object_add_value_float(tmp, ranges[i], io_u_lat_u[i]);
1830 }
1831 /* Millisecond latency */
1832 tmp = json_create_object();
1833 json_object_add_value_object(root, "latency_ms", tmp);
1834 for (i = 0; i < FIO_IO_U_LAT_M_NR; i++) {
1835 const char *ranges[] = { "2", "4", "10", "20", "50", "100",
1836 "250", "500", "750", "1000", "2000",
1837 ">=2000", };
1838 json_object_add_value_float(tmp, ranges[i], io_u_lat_m[i]);
1839 }
1840
1841 /* Additional output if continue_on_error set - default off*/
1842 if (ts->continue_on_error) {
1843 json_object_add_value_int(root, "total_err", ts->total_err_count);
952b05e0 1844 json_object_add_value_int(root, "first_error", ts->first_error);
cc372b17
SL		 1845 }
1846
3e260a46
JA		 1847 if (ts->latency_depth) {
1848 json_object_add_value_int(root, "latency_depth", ts->latency_depth);
1849 json_object_add_value_int(root, "latency_target", ts->latency_target);
1850 json_object_add_value_float(root, "latency_percentile", ts->latency_percentile.u.f);
1851 json_object_add_value_int(root, "latency_window", ts->latency_window);
1852 }
1853
cc372b17
SL		 1854 /* Additional output if description is set */
1855 if (strlen(ts->description))
1856 json_object_add_value_string(root, "desc", ts->description);
1857
66347cfa
DE		 1858 if (ts->nr_block_infos) {
1859 /* Block error histogram and types */
1860 int len;
1861 unsigned int *percentiles = NULL;
1862 unsigned int block_state_counts[BLOCK_STATE_COUNT];
1863
1864 len = calc_block_percentiles(ts->nr_block_infos, ts->block_infos,
1865 ts->percentile_list,
1866 &percentiles, block_state_counts);
1867
1868 if (len) {
1869 struct json_object *block, *percentile_object, *states;
8a68c41c 1870 int state;
66347cfa
DE		 1871 block = json_create_object();
1872 json_object_add_value_object(root, "block", block);
1873
1874 percentile_object = json_create_object();
1875 json_object_add_value_object(block, "percentiles",
1876 percentile_object);
1877 for (i = 0; i < len; i++) {
1878 char buf[20];
1879 snprintf(buf, sizeof(buf), "%f",
1880 ts->percentile_list[i].u.f);
1881 json_object_add_value_int(percentile_object,
c0a6be6c 1882 buf,
66347cfa
DE		 1883 percentiles[i]);
1884 }
1885
1886 states = json_create_object();
1887 json_object_add_value_object(block, "states", states);
1888 for (state = 0; state < BLOCK_STATE_COUNT; state++) {
1889 json_object_add_value_int(states,
1890 block_state_names[state],
1891 block_state_counts[state]);
1892 }
1893 free(percentiles);
1894 }
1895 }
1896
bb49c8bd 1897 if (ts->ss_dur) {
ba8fb6f6
VF		 1898 struct json_object *data;
1899 struct json_array *iops, *bw;
a43f4461 1900 int j, k, l;
6da94b07 1901 char ss_buf[64];
90e678ba 1902 int intervals = ts->ss_dur / (ss_check_interval / 1000L);
16e56d25 1903
6da94b07 1904 snprintf(ss_buf, sizeof(ss_buf), "%s%s:%f%s",
c8caba48
JA		 1905 ts->ss_state & FIO_SS_IOPS ? "iops" : "bw",
1906 ts->ss_state & FIO_SS_SLOPE ? "_slope" : "",
bb49c8bd 1907 (float) ts->ss_limit.u.f,
c8caba48 1908 ts->ss_state & FIO_SS_PCT ? "%" : "");
16e56d25
VF		 1909
1910 tmp = json_create_object();
1911 json_object_add_value_object(root, "steadystate", tmp);
6da94b07 1912 json_object_add_value_string(tmp, "ss", ss_buf);
bb49c8bd 1913 json_object_add_value_int(tmp, "duration", (int)ts->ss_dur);
c8caba48 1914 json_object_add_value_int(tmp, "attained", (ts->ss_state & FIO_SS_ATTAINED) > 0);
6da94b07 1915
bb49c8bd 1916 snprintf(ss_buf, sizeof(ss_buf), "%f%s", (float) ts->ss_criterion.u.f,
c8caba48 1917 ts->ss_state & FIO_SS_PCT ? "%" : "");
6da94b07 1918 json_object_add_value_string(tmp, "criterion", ss_buf);
bb49c8bd
VF		 1919 json_object_add_value_float(tmp, "max_deviation", ts->ss_deviation.u.f);
1920 json_object_add_value_float(tmp, "slope", ts->ss_slope.u.f);
ba8fb6f6
VF		 1921
1922 data = json_create_object();
1923 json_object_add_value_object(tmp, "data", data);
1924 bw = json_create_array();
1925 iops = json_create_array();
412c7d91
VF		 1926
1927 /*
1928 ** if ss was attained or the buffer is not full,
1929 ** ss->head points to the first element in the list.
1930 ** otherwise it actually points to the second element
1931 ** in the list
1932 */
c8caba48 1933 if ((ts->ss_state & FIO_SS_ATTAINED) || !(ts->ss_state & FIO_SS_BUFFER_FULL))
bb49c8bd 1934 j = ts->ss_head;
412c7d91 1935 else
90e678ba
CL		 1936 j = ts->ss_head == 0 ? intervals - 1 : ts->ss_head - 1;
1937 for (l = 0; l < intervals; l++) {
1938 k = (j + l) % intervals;
bb49c8bd
VF		 1939 json_array_add_value_int(bw, ts->ss_bw_data[k]);
1940 json_array_add_value_int(iops, ts->ss_iops_data[k]);
16e56d25 1941 }
bb49c8bd
VF		 1942 json_object_add_value_int(data, "bw_mean", steadystate_bw_mean(ts));
1943 json_object_add_value_int(data, "iops_mean", steadystate_iops_mean(ts));
6da94b07
VF		 1944 json_object_add_value_array(data, "iops", iops);
1945 json_object_add_value_array(data, "bw", bw);
16e56d25
VF		 1946 }
1947
cc372b17
SL		 1948 return root;
1949}
1950
4d658652 1951static void show_thread_status_terse(struct thread_stat *ts,
a666cab8
JA		 1952 struct group_run_stats *rs,
1953 struct buf_output *out)
4d658652 1954{
a2c95580 1955 if (terse_version >= 2 && terse_version <= 5)
bef2112b 1956 show_thread_status_terse_all(ts, rs, terse_version, out);
4d658652
JA		 1957 else
1958 log_err("fio: bad terse version!? %d\n", terse_version);
1959}
1960
952b05e0 1961struct json_object *show_thread_status(struct thread_stat *ts,
a666cab8 1962 struct group_run_stats *rs,
0279b880 1963 struct flist_head *opt_list,
a666cab8 1964 struct buf_output *out)
952b05e0 1965{
129fb2d4
JA		 1966 struct json_object *ret = NULL;
1967
1968 if (output_format & FIO_OUTPUT_TERSE)
a666cab8 1969 show_thread_status_terse(ts, rs, out);
129fb2d4 1970 if (output_format & FIO_OUTPUT_JSON)
0279b880 1971 ret = show_thread_status_json(ts, rs, opt_list);
129fb2d4 1972 if (output_format & FIO_OUTPUT_NORMAL)
a666cab8 1973 show_thread_status_normal(ts, rs, out);
129fb2d4
JA		 1974
1975 return ret;
952b05e0
CF		 1976}
1977
70750d6a 1978static void __sum_stat(struct io_stat *dst, struct io_stat *src, bool first)
756867bd
JA		 1979{
1980 double mean, S;
1981
1982 dst->min_val = min(dst->min_val, src->min_val);
1983 dst->max_val = max(dst->max_val, src->max_val);
756867bd
JA		 1984
1985 /*
cdcac5cf
YH		 1986 * Compute new mean and S after the merge
1987 * <http://en.wikipedia.org/wiki/Algorithms_for_calculating_variance
1988 * #Parallel_algorithm>
756867bd 1989 */
fd595830 1990 if (first) {
802ad4a8
JA		 1991 mean = src->mean.u.f;
1992 S = src->S.u.f;
756867bd 1993 } else {
802ad4a8 1994 double delta = src->mean.u.f - dst->mean.u.f;
cdcac5cf 1995
802ad4a8
JA		 1996 mean = ((src->mean.u.f * src->samples) +
1997 (dst->mean.u.f * dst->samples)) /
cdcac5cf
YH		 1998 (dst->samples + src->samples);
1999
802ad4a8 2000 S = src->S.u.f + dst->S.u.f + pow(delta, 2.0) *
cdcac5cf
YH		 2001 (dst->samples * src->samples) /
2002 (dst->samples + src->samples);
756867bd
JA		 2003 }
2004
cdcac5cf 2005 dst->samples += src->samples;
802ad4a8
JA		 2006 dst->mean.u.f = mean;
2007 dst->S.u.f = S;
70750d6a
JA		 2008
2009}
2010
2011/*
2012 * We sum two kinds of stats - one that is time based, in which case we
2013 * apply the proper summing technique, and then one that is iops/bw
2014 * numbers. For group_reporting, we should just add those up, not make
2015 * them the mean of everything.
2016 */
016869be 2017static void sum_stat(struct io_stat *dst, struct io_stat *src, bool pure_sum)
70750d6a 2018{
016869be
NC		 2019 bool first = dst->samples == 0;
2020
70750d6a
JA		 2021 if (src->samples == 0)
2022 return;
2023
2024 if (!pure_sum) {
2025 __sum_stat(dst, src, first);
2026 return;
2027 }
2028
68afa5b5
JA		 2029 if (first) {
2030 dst->min_val = src->min_val;
2031 dst->max_val = src->max_val;
2032 dst->samples = src->samples;
2033 dst->mean.u.f = src->mean.u.f;
2034 dst->S.u.f = src->S.u.f;
2035 } else {
2036 dst->min_val += src->min_val;
2037 dst->max_val += src->max_val;
2038 dst->samples += src->samples;
2039 dst->mean.u.f += src->mean.u.f;
2040 dst->S.u.f += src->S.u.f;
2041 }
756867bd
JA		 2042}
2043
37f0c1ae
JA		 2044void sum_group_stats(struct group_run_stats *dst, struct group_run_stats *src)
2045{
2046 int i;
2047
6eaf09d6 2048 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
37f0c1ae
JA		 2049 if (dst->max_run[i] < src->max_run[i])
2050 dst->max_run[i] = src->max_run[i];
2051 if (dst->min_run[i] && dst->min_run[i] > src->min_run[i])
2052 dst->min_run[i] = src->min_run[i];
2053 if (dst->max_bw[i] < src->max_bw[i])
2054 dst->max_bw[i] = src->max_bw[i];
2055 if (dst->min_bw[i] && dst->min_bw[i] > src->min_bw[i])
2056 dst->min_bw[i] = src->min_bw[i];
2057
af7f87cb 2058 dst->iobytes[i] += src->iobytes[i];
37f0c1ae
JA		 2059 dst->agg[i] += src->agg[i];
2060 }
2061
dbae1bd6
JA		 2062 if (!dst->kb_base)
2063 dst->kb_base = src->kb_base;
2064 if (!dst->unit_base)
2065 dst->unit_base = src->unit_base;
18aa1998
JF		 2066 if (!dst->sig_figs)
2067 dst->sig_figs = src->sig_figs;
37f0c1ae
JA		 2068}
2069
4ad85649
NC		 2070/*
2071 * Free the clat_prio_stat arrays allocated by alloc_clat_prio_stat_ddir().
2072 */
2073void free_clat_prio_stats(struct thread_stat *ts)
2074{
2075 enum fio_ddir ddir;
2076
e23aa817
NC		 2077 if (!ts)
2078 return;
2079
4ad85649
NC		 2080 for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++) {
2081 sfree(ts->clat_prio[ddir]);
2082 ts->clat_prio[ddir] = NULL;
2083 ts->nr_clat_prio[ddir] = 0;
2084 }
2085}
2086
2087/*
2088 * Allocate a clat_prio_stat array. The array has to be allocated/freed using
2089 * smalloc/sfree, so that it is accessible by the process/thread summing the
2090 * thread_stats.
2091 */
2092int alloc_clat_prio_stat_ddir(struct thread_stat *ts, enum fio_ddir ddir,
2093 int nr_prios)
2094{
2095 struct clat_prio_stat *clat_prio;
2096 int i;
2097
2098 clat_prio = scalloc(nr_prios, sizeof(*ts->clat_prio[ddir]));
2099 if (!clat_prio) {
2100 log_err("fio: failed to allocate ts clat data\n");
2101 return 1;
2102 }
2103
2104 for (i = 0; i < nr_prios; i++)
2105 clat_prio[i].clat_stat.min_val = ULONG_MAX;
2106
2107 ts->clat_prio[ddir] = clat_prio;
2108 ts->nr_clat_prio[ddir] = nr_prios;
2109
2110 return 0;
2111}
2112
692dec0c
NC		 2113static int grow_clat_prio_stat(struct thread_stat *dst, enum fio_ddir ddir)
2114{
2115 int curr_len = dst->nr_clat_prio[ddir];
2116 void *new_arr;
2117
2118 new_arr = scalloc(curr_len + 1, sizeof(*dst->clat_prio[ddir]));
2119 if (!new_arr) {
2120 log_err("fio: failed to grow clat prio array\n");
2121 return 1;
2122 }
2123
2124 memcpy(new_arr, dst->clat_prio[ddir],
2125 curr_len * sizeof(*dst->clat_prio[ddir]));
2126 sfree(dst->clat_prio[ddir]);
2127
2128 dst->clat_prio[ddir] = new_arr;
2129 dst->clat_prio[ddir][curr_len].clat_stat.min_val = ULONG_MAX;
2130 dst->nr_clat_prio[ddir]++;
2131
2132 return 0;
2133}
2134
2135static int find_clat_prio_index(struct thread_stat *dst, enum fio_ddir ddir,
2136 uint32_t ioprio)
2137{
2138 int i, nr_prios = dst->nr_clat_prio[ddir];
2139
2140 for (i = 0; i < nr_prios; i++) {
2141 if (dst->clat_prio[ddir][i].ioprio == ioprio)
2142 return i;
2143 }
2144
2145 return -1;
2146}
2147
2148static int alloc_or_get_clat_prio_index(struct thread_stat *dst,
2149 enum fio_ddir ddir, uint32_t ioprio,
2150 int *idx)
2151{
2152 int index = find_clat_prio_index(dst, ddir, ioprio);
2153
2154 if (index == -1) {
2155 index = dst->nr_clat_prio[ddir];
2156
2157 if (grow_clat_prio_stat(dst, ddir))
2158 return 1;
2159
2160 dst->clat_prio[ddir][index].ioprio = ioprio;
2161 }
2162
2163 *idx = index;
2164
2165 return 0;
2166}
2167
2168static int clat_prio_stats_copy(struct thread_stat *dst, struct thread_stat *src,
2169 enum fio_ddir dst_ddir, enum fio_ddir src_ddir)
2170{
2171 size_t sz = sizeof(*src->clat_prio[src_ddir]) *
2172 src->nr_clat_prio[src_ddir];
2173
2174 dst->clat_prio[dst_ddir] = smalloc(sz);
2175 if (!dst->clat_prio[dst_ddir]) {
2176 log_err("fio: failed to alloc clat prio array\n");
2177 return 1;
2178 }
2179
2180 memcpy(dst->clat_prio[dst_ddir], src->clat_prio[src_ddir], sz);
2181 dst->nr_clat_prio[dst_ddir] = src->nr_clat_prio[src_ddir];
2182
2183 return 0;
2184}
2185
2186static int clat_prio_stat_add_samples(struct thread_stat *dst,
2187 enum fio_ddir dst_ddir, uint32_t ioprio,
2188 struct io_stat *io_stat,
2189 uint64_t *io_u_plat)
2190{
2191 int i, dst_index;
2192
2193 if (!io_stat->samples)
2194 return 0;
2195
2196 if (alloc_or_get_clat_prio_index(dst, dst_ddir, ioprio, &dst_index))
2197 return 1;
2198
2199 sum_stat(&dst->clat_prio[dst_ddir][dst_index].clat_stat, io_stat,
2200 false);
2201
2202 for (i = 0; i < FIO_IO_U_PLAT_NR; i++)
2203 dst->clat_prio[dst_ddir][dst_index].io_u_plat[i] += io_u_plat[i];
2204
2205 return 0;
2206}
2207
2208static int sum_clat_prio_stats_src_single_prio(struct thread_stat *dst,
2209 struct thread_stat *src,
2210 enum fio_ddir dst_ddir,
2211 enum fio_ddir src_ddir)
2212{
2213 struct io_stat *io_stat;
2214 uint64_t *io_u_plat;
2215
2216 /*
2217 * If src ts has no clat_prio_stat array, then all I/Os were submitted
2218 * using src->ioprio. Thus, the global samples in src->clat_stat (or
2219 * src->lat_stat) can be used as the 'per prio' samples for src->ioprio.
2220 */
2221 assert(!src->clat_prio[src_ddir]);
2222 assert(src->nr_clat_prio[src_ddir] == 0);
2223
2224 if (src->lat_percentiles) {
2225 io_u_plat = src->io_u_plat[FIO_LAT][src_ddir];
2226 io_stat = &src->lat_stat[src_ddir];
2227 } else {
2228 io_u_plat = src->io_u_plat[FIO_CLAT][src_ddir];
2229 io_stat = &src->clat_stat[src_ddir];
2230 }
2231
2232 return clat_prio_stat_add_samples(dst, dst_ddir, src->ioprio, io_stat,
2233 io_u_plat);
2234}
2235
2236static int sum_clat_prio_stats_src_multi_prio(struct thread_stat *dst,
2237 struct thread_stat *src,
2238 enum fio_ddir dst_ddir,
2239 enum fio_ddir src_ddir)
2240{
2241 int i;
2242
2243 /*
2244 * If src ts has a clat_prio_stat array, then there are multiple prios
2245 * in use (i.e. src ts had cmdprio_percentage or cmdprio_bssplit set).
2246 * The samples for the default prio will exist in the src->clat_prio
2247 * array, just like the samples for any other prio.
2248 */
2249 assert(src->clat_prio[src_ddir]);
2250 assert(src->nr_clat_prio[src_ddir]);
2251
2252 /* If the dst ts doesn't yet have a clat_prio array, simply memcpy. */
2253 if (!dst->clat_prio[dst_ddir])
2254 return clat_prio_stats_copy(dst, src, dst_ddir, src_ddir);
2255
2256 /* The dst ts already has a clat_prio_array, add src stats into it. */
2257 for (i = 0; i < src->nr_clat_prio[src_ddir]; i++) {
2258 struct io_stat *io_stat = &src->clat_prio[src_ddir][i].clat_stat;
2259 uint64_t *io_u_plat = src->clat_prio[src_ddir][i].io_u_plat;
2260 uint32_t ioprio = src->clat_prio[src_ddir][i].ioprio;
2261
2262 if (clat_prio_stat_add_samples(dst, dst_ddir, ioprio, io_stat, io_u_plat))
2263 return 1;
2264 }
2265
2266 return 0;
2267}
2268
2269static int sum_clat_prio_stats(struct thread_stat *dst, struct thread_stat *src,
2270 enum fio_ddir dst_ddir, enum fio_ddir src_ddir)
2271{
2272 if (dst->disable_prio_stat)
2273 return 0;
2274
2275 if (!src->clat_prio[src_ddir])
2276 return sum_clat_prio_stats_src_single_prio(dst, src, dst_ddir,
2277 src_ddir);
2278
2279 return sum_clat_prio_stats_src_multi_prio(dst, src, dst_ddir, src_ddir);
2280}
2281
016869be 2282void sum_thread_stats(struct thread_stat *dst, struct thread_stat *src)
5b9babb7 2283{
df8781b6 2284 int k, l, m;
5b9babb7 2285
6eaf09d6 2286 for (l = 0; l < DDIR_RWDIR_CNT; l++) {
6dc75062 2287 if (dst->unified_rw_rep != UNIFIED_MIXED) {
016869be 2288 sum_stat(&dst->clat_stat[l], &src->clat_stat[l], false);
016869be
NC		 2289 sum_stat(&dst->slat_stat[l], &src->slat_stat[l], false);
2290 sum_stat(&dst->lat_stat[l], &src->lat_stat[l], false);
2291 sum_stat(&dst->bw_stat[l], &src->bw_stat[l], true);
2292 sum_stat(&dst->iops_stat[l], &src->iops_stat[l], true);
692dec0c 2293 sum_clat_prio_stats(dst, src, l, l);
771e58be
JA		 2294
2295 dst->io_bytes[l] += src->io_bytes[l];
2296
2297 if (dst->runtime[l] < src->runtime[l])
2298 dst->runtime[l] = src->runtime[l];
2299 } else {
016869be 2300 sum_stat(&dst->clat_stat[0], &src->clat_stat[l], false);
016869be
NC		 2301 sum_stat(&dst->slat_stat[0], &src->slat_stat[l], false);
2302 sum_stat(&dst->lat_stat[0], &src->lat_stat[l], false);
2303 sum_stat(&dst->bw_stat[0], &src->bw_stat[l], true);
2304 sum_stat(&dst->iops_stat[0], &src->iops_stat[l], true);
692dec0c 2305 sum_clat_prio_stats(dst, src, 0, l);
771e58be
JA		 2306
2307 dst->io_bytes[0] += src->io_bytes[l];
2308
2309 if (dst->runtime[0] < src->runtime[l])
2310 dst->runtime[0] = src->runtime[l];
2311 }
5b9babb7
JA		 2312 }
2313
016869be 2314 sum_stat(&dst->sync_stat, &src->sync_stat, false);
5b9babb7
JA		 2315 dst->usr_time += src->usr_time;
2316 dst->sys_time += src->sys_time;
2317 dst->ctx += src->ctx;
2318 dst->majf += src->majf;
2319 dst->minf += src->minf;
2320
b2b3eefe 2321 for (k = 0; k < FIO_IO_U_MAP_NR; k++) {
5b9babb7 2322 dst->io_u_map[k] += src->io_u_map[k];
5b9babb7 2323 dst->io_u_submit[k] += src->io_u_submit[k];
5b9babb7 2324 dst->io_u_complete[k] += src->io_u_complete[k];
b2b3eefe 2325 }
bf14b39e
VF		 2326
2327 for (k = 0; k < FIO_IO_U_LAT_N_NR; k++)
d6bb626e 2328 dst->io_u_lat_n[k] += src->io_u_lat_n[k];
bf14b39e 2329 for (k = 0; k < FIO_IO_U_LAT_U_NR; k++)
5b9babb7 2330 dst->io_u_lat_u[k] += src->io_u_lat_u[k];
bf14b39e 2331 for (k = 0; k < FIO_IO_U_LAT_M_NR; k++)
5b9babb7 2332 dst->io_u_lat_m[k] += src->io_u_lat_m[k];
bf14b39e 2333
6eaf09d6 2334 for (k = 0; k < DDIR_RWDIR_CNT; k++) {
6dc75062 2335 if (dst->unified_rw_rep != UNIFIED_MIXED) {
771e58be
JA		 2336 dst->total_io_u[k] += src->total_io_u[k];
2337 dst->short_io_u[k] += src->short_io_u[k];
3bcb9d94 2338 dst->drop_io_u[k] += src->drop_io_u[k];
771e58be
JA		 2339 } else {
2340 dst->total_io_u[0] += src->total_io_u[k];
2341 dst->short_io_u[0] += src->short_io_u[k];
3bcb9d94 2342 dst->drop_io_u[0] += src->drop_io_u[k];
771e58be 2343 }
5b9babb7
JA		 2344 }
2345
7f3ecee2
JA		 2346 dst->total_io_u[DDIR_SYNC] += src->total_io_u[DDIR_SYNC];
2347
df8781b6
VF		 2348 for (k = 0; k < FIO_LAT_CNT; k++)
2349 for (l = 0; l < DDIR_RWDIR_CNT; l++)
2350 for (m = 0; m < FIO_IO_U_PLAT_NR; m++)
6dc75062 2351 if (dst->unified_rw_rep != UNIFIED_MIXED)
df8781b6
VF		 2352 dst->io_u_plat[k][l][m] += src->io_u_plat[k][l][m];
2353 else
2354 dst->io_u_plat[k][0][m] += src->io_u_plat[k][l][m];
771e58be 2355
df8781b6
VF		 2356 for (k = 0; k < FIO_IO_U_PLAT_NR; k++)
2357 dst->io_u_sync_plat[k] += src->io_u_sync_plat[k];
2358
5b9babb7
JA		 2359 dst->total_run_time += src->total_run_time;
2360 dst->total_submit += src->total_submit;
2361 dst->total_complete += src->total_complete;
fd5d733f 2362 dst->nr_zone_resets += src->nr_zone_resets;
96563db9
JA		 2363 dst->cachehit += src->cachehit;
2364 dst->cachemiss += src->cachemiss;
5b9babb7
JA		 2365}
2366
37f0c1ae
JA		 2367void init_group_run_stat(struct group_run_stats *gs)
2368{
6eaf09d6 2369 int i;
37f0c1ae 2370 memset(gs, 0, sizeof(*gs));
6eaf09d6
SL		 2371
2372 for (i = 0; i < DDIR_RWDIR_CNT; i++)
2373 gs->min_bw[i] = gs->min_run[i] = ~0UL;
37f0c1ae
JA		 2374}
2375
6619fc32 2376void init_thread_stat_min_vals(struct thread_stat *ts)
37f0c1ae 2377{
6619fc32
NC		 2378 int i;
2379
2380 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
2381 ts->clat_stat[i].min_val = ULONG_MAX;
2382 ts->slat_stat[i].min_val = ULONG_MAX;
2383 ts->lat_stat[i].min_val = ULONG_MAX;
2384 ts->bw_stat[i].min_val = ULONG_MAX;
2385 ts->iops_stat[i].min_val = ULONG_MAX;
6619fc32
NC		 2386 }
2387 ts->sync_stat.min_val = ULONG_MAX;
2388}
37f0c1ae 2389
6619fc32
NC		 2390void init_thread_stat(struct thread_stat *ts)
2391{
37f0c1ae
JA		 2392 memset(ts, 0, sizeof(*ts));
2393
6619fc32 2394 init_thread_stat_min_vals(ts);
37f0c1ae
JA		 2395 ts->groupid = -1;
2396}
2397
691310e2
NC		 2398static void init_per_prio_stats(struct thread_stat *threadstats, int nr_ts)
2399{
691310e2
NC		 2400 struct thread_stat *ts;
2401 int i, j, last_ts, idx;
2402 enum fio_ddir ddir;
2403
2404 j = 0;
2405 last_ts = -1;
2406 idx = 0;
2407
2408 /*
2409 * Loop through all tds, if a td requires per prio stats, temporarily
2410 * store a 1 in ts->disable_prio_stat, and then do an additional
2411 * loop at the end where we invert the ts->disable_prio_stat values.
2412 */
da8f124f 2413 for_each_td(td) {
691310e2
NC		 2414 if (!td->o.stats)
2415 continue;
2416 if (idx &&
2417 (!td->o.group_reporting ||
2418 (td->o.group_reporting && last_ts != td->groupid))) {
2419 idx = 0;
2420 j++;
2421 }
2422
2423 last_ts = td->groupid;
2424 ts = &threadstats[j];
2425
2426 /* idx == 0 means first td in group, or td is not in a group. */
2427 if (idx == 0)
2428 ts->ioprio = td->ioprio;
2429 else if (td->ioprio != ts->ioprio)
2430 ts->disable_prio_stat = 1;
2431
2432 for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++) {
2433 if (td->ts.clat_prio[ddir]) {
2434 ts->disable_prio_stat = 1;
2435 break;
2436 }
2437 }
2438
2439 idx++;
da8f124f 2440 } end_for_each();
691310e2
NC		 2441
2442 /* Loop through all dst threadstats and fixup the values. */
2443 for (i = 0; i < nr_ts; i++) {
2444 ts = &threadstats[i];
2445 ts->disable_prio_stat = !ts->disable_prio_stat;
2446 }
2447}
2448
83f7b64e 2449void __show_run_stats(void)
3c39a379
JA		 2450{
2451 struct group_run_stats *runstats, *rs;
756867bd 2452 struct thread_stat *threadstats, *ts;
4da24b69 2453 int i, j, k, nr_ts, last_ts, idx;
8985b491
JA		 2454 bool kb_base_warned = false;
2455 bool unit_base_warned = false;
cc372b17
SL		 2456 struct json_object *root = NULL;
2457 struct json_array *array = NULL;
a666cab8 2458 struct buf_output output[FIO_OUTPUT_NR];
66e19a38 2459 struct flist_head **opt_lists;
a666cab8 2460
3c39a379
JA		 2461 runstats = malloc(sizeof(struct group_run_stats) * (groupid + 1));
2462
37f0c1ae
JA		 2463 for (i = 0; i < groupid + 1; i++)
2464 init_group_run_stat(&runstats[i]);
3c39a379 2465
756867bd
JA		 2466 /*
2467 * find out how many threads stats we need. if group reporting isn't
2468 * enabled, it's one-per-td.
2469 */
2470 nr_ts = 0;
2471 last_ts = -1;
da8f124f 2472 for_each_td(td) {
2dc1bbeb 2473 if (!td->o.group_reporting) {
756867bd
JA		 2474 nr_ts++;
2475 continue;
2476 }
2477 if (last_ts == td->groupid)
2478 continue;
8243be59
JA		 2479 if (!td->o.stats)
2480 continue;
756867bd
JA		 2481
2482 last_ts = td->groupid;
2483 nr_ts++;
da8f124f 2484 } end_for_each();
756867bd
JA		 2485
2486 threadstats = malloc(nr_ts * sizeof(struct thread_stat));
66e19a38 2487 opt_lists = malloc(nr_ts * sizeof(struct flist_head *));
756867bd 2488
66e19a38 2489 for (i = 0; i < nr_ts; i++) {
37f0c1ae 2490 init_thread_stat(&threadstats[i]);
66e19a38
JA		 2491 opt_lists[i] = NULL;
2492 }
756867bd 2493
691310e2
NC		 2494 init_per_prio_stats(threadstats, nr_ts);
2495
756867bd
JA		 2496 j = 0;
2497 last_ts = -1;
197574e4 2498 idx = 0;
da8f124f 2499 for_each_td(td) {
8243be59
JA		 2500 if (!td->o.stats)
2501 continue;
2dc1bbeb
JA		 2502 if (idx && (!td->o.group_reporting ||
2503 (td->o.group_reporting && last_ts != td->groupid))) {
7abd0e3a
JA		 2504 idx = 0;
2505 j++;
2506 }
2507
2508 last_ts = td->groupid;
2509
756867bd
JA		 2510 ts = &threadstats[j];
2511
83349190 2512 ts->clat_percentiles = td->o.clat_percentiles;
b599759b 2513 ts->lat_percentiles = td->o.lat_percentiles;
56440e63 2514 ts->slat_percentiles = td->o.slat_percentiles;
435d195a 2515 ts->percentile_precision = td->o.percentile_precision;
fd112d34 2516 memcpy(ts->percentile_list, td->o.percentile_list, sizeof(td->o.percentile_list));
66e19a38 2517 opt_lists[j] = &td->opt_list;
83349190 2518
197574e4 2519 idx++;
756867bd 2520
7abd0e3a 2521 if (ts->groupid == -1) {
2dc84ba7
JA		 2522 /*
2523 * These are per-group shared already
2524 */
36833fb0 2525 snprintf(ts->name, sizeof(ts->name), "%s", td->o.name);
a64e88da 2526 if (td->o.description)
36833fb0
BVA		 2527 snprintf(ts->description,
2528 sizeof(ts->description), "%s",
2529 td->o.description);
a64e88da 2530 else
4e59d0f3 2531 memset(ts->description, 0, FIO_JOBDESC_SIZE);
a64e88da 2532
2f122b13
JA		 2533 /*
2534 * If multiple entries in this group, this is
2535 * the first member.
2536 */
2537 ts->thread_number = td->thread_number;
756867bd 2538 ts->groupid = td->groupid;
12d325ca 2539 ts->job_start = td->job_start;
2dc84ba7
JA		 2540
2541 /*
2542 * first pid in group, not very useful...
2543 */
756867bd 2544 ts->pid = td->pid;
90fef2d1
JA		 2545
2546 ts->kb_base = td->o.kb_base;
ad705bcb 2547 ts->unit_base = td->o.unit_base;
e883cb35 2548 ts->sig_figs = td->o.sig_figs;
771e58be 2549 ts->unified_rw_rep = td->o.unified_rw_rep;
90fef2d1
JA		 2550 } else if (ts->kb_base != td->o.kb_base && !kb_base_warned) {
2551 log_info("fio: kb_base differs for jobs in group, using"
2552 " %u as the base\n", ts->kb_base);
8985b491 2553 kb_base_warned = true;
ad705bcb
SN		 2554 } else if (ts->unit_base != td->o.unit_base && !unit_base_warned) {
2555 log_info("fio: unit_base differs for jobs in group, using"
2556 " %u as the base\n", ts->unit_base);
8985b491 2557 unit_base_warned = true;
2dc84ba7
JA		 2558 }
2559
f2bba182
RR		 2560 ts->continue_on_error = td->o.continue_on_error;
2561 ts->total_err_count += td->total_err_count;
2562 ts->first_error = td->first_error;
2563 if (!ts->error) {
2564 if (!td->error && td->o.continue_on_error &&
2565 td->first_error) {
2566 ts->error = td->first_error;
36833fb0
BVA		 2567 snprintf(ts->verror, sizeof(ts->verror), "%s",
2568 td->verror);
f2bba182
RR		 2569 } else if (td->error) {
2570 ts->error = td->error;
36833fb0
BVA		 2571 snprintf(ts->verror, sizeof(ts->verror), "%s",
2572 td->verror);
f2bba182 2573 }
756867bd
JA		 2574 }
2575
3e260a46
JA		 2576 ts->latency_depth = td->latency_qd;
2577 ts->latency_target = td->o.latency_target;
2578 ts->latency_percentile = td->o.latency_percentile;
2579 ts->latency_window = td->o.latency_window;
2580
0e4dd95c 2581 ts->nr_block_infos = td->ts.nr_block_infos;
4da24b69
JA		 2582 for (k = 0; k < ts->nr_block_infos; k++)
2583 ts->block_infos[k] = td->ts.block_infos[k];
0e4dd95c 2584
016869be 2585 sum_thread_stats(ts, &td->ts);
16e56d25 2586
a381c018
NC		 2587 ts->members++;
2588
bb49c8bd
VF		 2589 if (td->o.ss_dur) {
2590 ts->ss_state = td->ss.state;
2591 ts->ss_dur = td->ss.dur;
2592 ts->ss_head = td->ss.head;
bb49c8bd
VF		 2593 ts->ss_bw_data = td->ss.bw_data;
2594 ts->ss_iops_data = td->ss.iops_data;
2595 ts->ss_limit.u.f = td->ss.limit;
2596 ts->ss_slope.u.f = td->ss.slope;
2597 ts->ss_deviation.u.f = td->ss.deviation;
2598 ts->ss_criterion.u.f = td->ss.criterion;
2599 }
16e56d25 2600 else
bb49c8bd 2601 ts->ss_dur = ts->ss_state = 0;
da8f124f 2602 } end_for_each();
756867bd
JA		 2603
2604 for (i = 0; i < nr_ts; i++) {
94370ac4 2605 unsigned long long bw;
3c39a379 2606
756867bd 2607 ts = &threadstats[i];
dedb88eb
JA		 2608 if (ts->groupid == -1)
2609 continue;
756867bd 2610 rs = &runstats[ts->groupid];
90fef2d1 2611 rs->kb_base = ts->kb_base;
ad705bcb 2612 rs->unit_base = ts->unit_base;
e883cb35 2613 rs->sig_figs = ts->sig_figs;
5cb8a8cd 2614 rs->unified_rw_rep |= ts->unified_rw_rep;
3c39a379 2615
6eaf09d6 2616 for (j = 0; j < DDIR_RWDIR_CNT; j++) {
94370ac4
JA		 2617 if (!ts->runtime[j])
2618 continue;
2619 if (ts->runtime[j] < rs->min_run[j] || !rs->min_run[j])
2620 rs->min_run[j] = ts->runtime[j];
2621 if (ts->runtime[j] > rs->max_run[j])
2622 rs->max_run[j] = ts->runtime[j];
2623
2624 bw = 0;
af7f87cb
RE		 2625 if (ts->runtime[j])
2626 bw = ts->io_bytes[j] * 1000 / ts->runtime[j];
94370ac4
JA		 2627 if (bw < rs->min_bw[j])
2628 rs->min_bw[j] = bw;
2629 if (bw > rs->max_bw[j])
2630 rs->max_bw[j] = bw;
2631
af7f87cb 2632 rs->iobytes[j] += ts->io_bytes[j];
94370ac4 2633 }
3c39a379
JA		 2634 }
2635
2636 for (i = 0; i < groupid + 1; i++) {
2e545522 2637 enum fio_ddir ddir;
6eaf09d6 2638
3c39a379
JA		 2639 rs = &runstats[i];
2640
6eaf09d6
SL		 2641 for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++) {
2642 if (rs->max_run[ddir])
af7f87cb 2643 rs->agg[ddir] = (rs->iobytes[ddir] * 1000) /
6eaf09d6
SL		 2644 rs->max_run[ddir];
2645 }
3c39a379
JA		 2646 }
2647
a666cab8 2648 for (i = 0; i < FIO_OUTPUT_NR; i++)
e250c0a9 2649 buf_output_init(&output[i]);
a666cab8 2650
3c39a379
JA		 2651 /*
2652 * don't overwrite last signal output
2653 */
129fb2d4 2654 if (output_format & FIO_OUTPUT_NORMAL)
a666cab8 2655 log_buf(&output[__FIO_OUTPUT_NORMAL], "\n");
129fb2d4 2656 if (output_format & FIO_OUTPUT_JSON) {
66e19a38 2657 struct thread_data *global;
35326842 2658 char time_buf[32];
aa7d2ef0
RH		 2659 struct timeval now;
2660 unsigned long long ms_since_epoch;
afd74e2a 2661 time_t tv_sec;
91e53870 2662
aa7d2ef0
RH		 2663 gettimeofday(&now, NULL);
2664 ms_since_epoch = (unsigned long long)(now.tv_sec) * 1000 +
2665 (unsigned long long)(now.tv_usec) / 1000;
2666
afd74e2a
BVA		 2667 tv_sec = now.tv_sec;
2668 os_ctime_r(&tv_sec, time_buf, sizeof(time_buf));
1d272416
JA		 2669 if (time_buf[strlen(time_buf) - 1] == '\n')
2670 time_buf[strlen(time_buf) - 1] = '\0';
91e53870 2671
cc372b17
SL		 2672 root = json_create_object();
2673 json_object_add_value_string(root, "fio version", fio_version_string);
aa7d2ef0
RH		 2674 json_object_add_value_int(root, "timestamp", now.tv_sec);
2675 json_object_add_value_int(root, "timestamp_ms", ms_since_epoch);
91e53870 2676 json_object_add_value_string(root, "time", time_buf);
66e19a38 2677 global = get_global_options();
0cf542af 2678 json_add_job_opts(root, "global options", &global->opt_list);
cc372b17
SL		 2679 array = json_create_array();
2680 json_object_add_value_array(root, "jobs", array);
2681 }
3c39a379 2682
0279b880
JA		 2683 if (is_backend)
2684 fio_server_send_job_options(&get_global_options()->opt_list, -1U);
2685
756867bd
JA		 2686 for (i = 0; i < nr_ts; i++) {
2687 ts = &threadstats[i];
2688 rs = &runstats[ts->groupid];
3c39a379 2689
0279b880
JA		 2690 if (is_backend) {
2691 fio_server_send_job_options(opt_lists[i], i);
a64e88da 2692 fio_server_send_ts(ts, rs);
0279b880 2693 } else {
129fb2d4 2694 if (output_format & FIO_OUTPUT_TERSE)
a666cab8 2695 show_thread_status_terse(ts, rs, &output[__FIO_OUTPUT_TERSE]);
129fb2d4 2696 if (output_format & FIO_OUTPUT_JSON) {
66e19a38 2697 struct json_object *tmp = show_thread_status_json(ts, rs, opt_lists[i]);
129fb2d4
JA		 2698 json_array_add_value_object(array, tmp);
2699 }
2700 if (output_format & FIO_OUTPUT_NORMAL)
a666cab8 2701 show_thread_status_normal(ts, rs, &output[__FIO_OUTPUT_NORMAL]);
129fb2d4 2702 }
3c39a379 2703 }
ab34ddd1 2704 if (!is_backend && (output_format & FIO_OUTPUT_JSON)) {
cc372b17 2705 /* disk util stats, if any */
a666cab8 2706 show_disk_util(1, root, &output[__FIO_OUTPUT_JSON]);
cc372b17 2707
a666cab8 2708 show_idle_prof_stats(FIO_OUTPUT_JSON, root, &output[__FIO_OUTPUT_JSON]);
f2a2ce0e 2709
a666cab8
JA		 2710 json_print_object(root, &output[__FIO_OUTPUT_JSON]);
2711 log_buf(&output[__FIO_OUTPUT_JSON], "\n");
cc372b17
SL		 2712 json_free_object(root);
2713 }
3c39a379 2714
72c27ff8
JA		 2715 for (i = 0; i < groupid + 1; i++) {
2716 rs = &runstats[i];
3c39a379 2717
72c27ff8 2718 rs->groupid = i;
d09a64a0 2719 if (is_backend)
72c27ff8 2720 fio_server_send_gs(rs);
129fb2d4 2721 else if (output_format & FIO_OUTPUT_NORMAL)
a666cab8 2722 show_group_stats(rs, &output[__FIO_OUTPUT_NORMAL]);
c6ae0a5b 2723 }
eecf272f 2724
72c27ff8
JA		 2725 if (is_backend)
2726 fio_server_send_du();
129fb2d4 2727 else if (output_format & FIO_OUTPUT_NORMAL) {
a666cab8
JA		 2728 show_disk_util(0, NULL, &output[__FIO_OUTPUT_NORMAL]);
2729 show_idle_prof_stats(FIO_OUTPUT_NORMAL, NULL, &output[__FIO_OUTPUT_NORMAL]);
60904003 2730 }
f2a2ce0e 2731
3d57c0e9 2732 for (i = 0; i < FIO_OUTPUT_NR; i++) {
3dc3aa41 2733 struct buf_output *out = &output[i];
8dd0eca3 2734
3dc3aa41 2735 log_info_buf(out->buf, out->buflen);
3dc3aa41 2736 buf_output_free(out);
3d57c0e9 2737 }
2b8c71b0 2738
7ceefc09
FS		 2739 fio_idle_prof_cleanup();
2740
fdd5f15f 2741 log_info_flush();
eecf272f 2742 free(runstats);
692dec0c
NC		 2743
2744 /* free arrays allocated by sum_thread_stats(), if any */
2745 for (i = 0; i < nr_ts; i++) {
2746 ts = &threadstats[i];
2747 free_clat_prio_stats(ts);
2748 }
756867bd 2749 free(threadstats);
66e19a38 2750 free(opt_lists);
3c39a379
JA		 2751}
2752
966f8ef9 2753int __show_running_run_stats(void)
b852e7cf 2754{
b852e7cf 2755 unsigned long long *rt;
8b6a404c 2756 struct timespec ts;
b852e7cf 2757
971caeb1 2758 fio_sem_down(stat_sem);
90811930 2759
b852e7cf 2760 rt = malloc(thread_number * sizeof(unsigned long long));
8b6a404c 2761 fio_gettime(&ts, NULL);
b852e7cf 2762
da8f124f 2763 for_each_td(td) {
61850e56
KM		 2764 if (td->runstate >= TD_EXITED)
2765 continue;
2766
c97f1ad6 2767 td->update_rusage = 1;
dde39f8c
AD		 2768 for_each_rw_ddir(ddir) {
2769 td->ts.io_bytes[ddir] = td->io_bytes[ddir];
2770 }
8b6a404c 2771 td->ts.total_run_time = mtime_since(&td->epoch, &ts);
6c041a88 2772
da8f124f 2773 rt[__td_index] = mtime_since(&td->start, &ts);
6c041a88 2774 if (td_read(td) && td->ts.io_bytes[DDIR_READ])
da8f124f 2775 td->ts.runtime[DDIR_READ] += rt[__td_index];
6c041a88 2776 if (td_write(td) && td->ts.io_bytes[DDIR_WRITE])
da8f124f 2777 td->ts.runtime[DDIR_WRITE] += rt[__td_index];
6c041a88 2778 if (td_trim(td) && td->ts.io_bytes[DDIR_TRIM])
da8f124f
H		 2779 td->ts.runtime[DDIR_TRIM] += rt[__td_index];
2780 } end_for_each();
b852e7cf 2781
da8f124f 2782 for_each_td(td) {
fda2cfac
JA		 2783 if (td->runstate >= TD_EXITED)
2784 continue;
c97f1ad6
JA		 2785 if (td->rusage_sem) {
2786 td->update_rusage = 1;
971caeb1 2787 fio_sem_down(td->rusage_sem);
c97f1ad6
JA		 2788 }
2789 td->update_rusage = 0;
da8f124f 2790 } end_for_each();
c97f1ad6 2791
cef9175e 2792 __show_run_stats();
b852e7cf 2793
da8f124f 2794 for_each_td(td) {
61850e56
KM		 2795 if (td->runstate >= TD_EXITED)
2796 continue;
2797
6c041a88 2798 if (td_read(td) && td->ts.io_bytes[DDIR_READ])
da8f124f 2799 td->ts.runtime[DDIR_READ] -= rt[__td_index];
6c041a88 2800 if (td_write(td) && td->ts.io_bytes[DDIR_WRITE])
da8f124f 2801 td->ts.runtime[DDIR_WRITE] -= rt[__td_index];
6c041a88 2802 if (td_trim(td) && td->ts.io_bytes[DDIR_TRIM])
da8f124f
H		 2803 td->ts.runtime[DDIR_TRIM] -= rt[__td_index];
2804 } end_for_each();
b852e7cf
JA		 2805
2806 free(rt);
971caeb1 2807 fio_sem_up(stat_sem);
966f8ef9
BVA		 2808
2809 return 0;
b852e7cf
JA		 2810}
2811
8985b491 2812static bool status_file_disabled;
06464907 2813
dac45f23 2814#define FIO_STATUS_FILE "fio-dump-status"
06464907
JA		 2815
2816static int check_status_file(void)
2817{
2818 struct stat sb;
a0bafb7d
BC		 2819 const char *temp_dir;
2820 char fio_status_file_path[PATH_MAX];
06464907 2821
77d99675
JA		 2822 if (status_file_disabled)
2823 return 0;
2824
a0bafb7d 2825 temp_dir = getenv("TMPDIR");
48b16e27 2826 if (temp_dir == NULL) {
a0bafb7d 2827 temp_dir = getenv("TEMP");
48b16e27
JA		 2828 if (temp_dir && strlen(temp_dir) >= PATH_MAX)
2829 temp_dir = NULL;
2830 }
a0bafb7d
BC		 2831 if (temp_dir == NULL)
2832 temp_dir = "/tmp";
3544731c
BVA		 2833#ifdef __COVERITY__
2834 __coverity_tainted_data_sanitize__(temp_dir);
2835#endif
a0bafb7d
BC		 2836
2837 snprintf(fio_status_file_path, sizeof(fio_status_file_path), "%s/%s", temp_dir, FIO_STATUS_FILE);
2838
2839 if (stat(fio_status_file_path, &sb))
06464907
JA		 2840 return 0;
2841
77d99675
JA		 2842 if (unlink(fio_status_file_path) < 0) {
2843 log_err("fio: failed to unlink %s: %s\n", fio_status_file_path,
2844 strerror(errno));
2845 log_err("fio: disabling status file updates\n");
8985b491 2846 status_file_disabled = true;
77d99675
JA		 2847 }
2848
06464907
JA		 2849 return 1;
2850}
2851
2852void check_for_running_stats(void)
2853{
06464907
JA		 2854 if (check_status_file()) {
2855 show_running_run_stats();
2856 return;
2857 }
2858}
2859
d6bb626e 2860static inline void add_stat_sample(struct io_stat *is, unsigned long long data)
3c39a379 2861{
68704084 2862 double val = data;
6660cc67 2863 double delta;
68704084
JA		 2864
2865 if (data > is->max_val)
2866 is->max_val = data;
2867 if (data < is->min_val)
2868 is->min_val = data;
2869
802ad4a8 2870 delta = val - is->mean.u.f;
ef11d737 2871 if (delta) {
802ad4a8
JA		 2872 is->mean.u.f += delta / (is->samples + 1.0);
2873 is->S.u.f += delta * (val - is->mean.u.f);
ef11d737 2874 }
3c39a379 2875
3c39a379
JA		 2876 is->samples++;
2877}
2878
692dec0c
NC		 2879static inline void add_stat_prio_sample(struct clat_prio_stat *clat_prio,
2880 unsigned short clat_prio_index,
2881 unsigned long long nsec)
2882{
2883 if (clat_prio)
2884 add_stat_sample(&clat_prio[clat_prio_index].clat_stat, nsec);
2885}
2886
7e419452
JA		 2887/*
2888 * Return a struct io_logs, which is added to the tail of the log
2889 * list for 'iolog'.
2890 */
2891static struct io_logs *get_new_log(struct io_log *iolog)
2892{
0a852a50 2893 size_t new_samples;
7e419452
JA		 2894 struct io_logs *cur_log;
2895
2896 /*
2897 * Cap the size at MAX_LOG_ENTRIES, so we don't keep doubling
2898 * forever
2899 */
0a852a50 2900 if (!iolog->cur_log_max) {
d7224476
AK		 2901 if (iolog->td)
2902 new_samples = iolog->td->o.log_entries;
2903 else
2904 new_samples = DEF_LOG_ENTRIES;
0a852a50 2905 } else {
7e419452
JA		 2906 new_samples = iolog->cur_log_max * 2;
2907 if (new_samples > MAX_LOG_ENTRIES)
2908 new_samples = MAX_LOG_ENTRIES;
2909 }
2910
90d2d53f 2911 cur_log = smalloc(sizeof(*cur_log));
7e419452
JA		 2912 if (cur_log) {
2913 INIT_FLIST_HEAD(&cur_log->list);
0a852a50 2914 cur_log->log = calloc(new_samples, log_entry_sz(iolog));
7e419452
JA		 2915 if (cur_log->log) {
2916 cur_log->nr_samples = 0;
2917 cur_log->max_samples = new_samples;
2918 flist_add_tail(&cur_log->list, &iolog->io_logs);
2919 iolog->cur_log_max = new_samples;
2920 return cur_log;
2921 }
90d2d53f 2922 sfree(cur_log);
7e419452
JA		 2923 }
2924
2925 return NULL;
2926}
2927
1fed2080
JA		 2928/*
2929 * Add and return a new log chunk, or return current log if big enough
2930 */
2931static struct io_logs *regrow_log(struct io_log *iolog)
7e419452
JA		 2932{
2933 struct io_logs *cur_log;
1fed2080 2934 int i;
7e419452 2935
1fed2080 2936 if (!iolog || iolog->disabled)
2ab71dc4 2937 goto disable;
7e419452 2938
1fed2080 2939 cur_log = iolog_cur_log(iolog);
a9afa45a
JA		 2940 if (!cur_log) {
2941 cur_log = get_new_log(iolog);
2942 if (!cur_log)
2943 return NULL;
2944 }
2945
7e419452
JA		 2946 if (cur_log->nr_samples < cur_log->max_samples)
2947 return cur_log;
2948
2949 /*
2950 * No room for a new sample. If we're compressing on the fly, flush
2951 * out the current chunk
2952 */
2953 if (iolog->log_gz) {
2954 if (iolog_cur_flush(iolog, cur_log)) {
2955 log_err("fio: failed flushing iolog! Will stop logging.\n");
2956 return NULL;
2957 }
2958 }
2959
2960 /*
2961 * Get a new log array, and add to our list
2962 */
2963 cur_log = get_new_log(iolog);
1fed2080
JA		 2964 if (!cur_log) {
2965 log_err("fio: failed extending iolog! Will stop logging.\n");
2966 return NULL;
2967 }
2968
2969 if (!iolog->pending || !iolog->pending->nr_samples)
80a24ba9 2970 return cur_log;
7e419452 2971
1fed2080
JA		 2972 /*
2973 * Flush pending items to new log
2974 */
2975 for (i = 0; i < iolog->pending->nr_samples; i++) {
2976 struct io_sample *src, *dst;
2977
2978 src = get_sample(iolog, iolog->pending, i);
2979 dst = get_sample(iolog, cur_log, i);
2980 memcpy(dst, src, log_entry_sz(iolog));
2981 }
0b2eef49 2982 cur_log->nr_samples = iolog->pending->nr_samples;
1fed2080
JA		 2983
2984 iolog->pending->nr_samples = 0;
2985 return cur_log;
2ab71dc4
JA		 2986disable:
2987 if (iolog)
2988 iolog->disabled = true;
2989 return NULL;
1fed2080
JA		 2990}
2991
2992void regrow_logs(struct thread_data *td)
2993{
2ab71dc4
JA		 2994 regrow_log(td->slat_log);
2995 regrow_log(td->clat_log);
1e613c9c 2996 regrow_log(td->clat_hist_log);
2ab71dc4
JA		 2997 regrow_log(td->lat_log);
2998 regrow_log(td->bw_log);
2999 regrow_log(td->iops_log);
1fed2080
JA		 3000 td->flags &= ~TD_F_REGROW_LOGS;
3001}
3002
76204de3
PM		 3003void regrow_agg_logs(void)
3004{
3005 enum fio_ddir ddir;
3006
3007 for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++)
3008 regrow_log(agg_io_log[ddir]);
3009}
3010
1fed2080
JA		 3011static struct io_logs *get_cur_log(struct io_log *iolog)
3012{
3013 struct io_logs *cur_log;
3014
3015 cur_log = iolog_cur_log(iolog);
3016 if (!cur_log) {
3017 cur_log = get_new_log(iolog);
3018 if (!cur_log)
3019 return NULL;
3020 }
3021
3022 if (cur_log->nr_samples < cur_log->max_samples)
3023 return cur_log;
3024
3025 /*
1eb467fb
JA		 3026 * Out of space. If we're in IO offload mode, or we're not doing
3027 * per unit logging (hence logging happens outside of the IO thread
3028 * as well), add a new log chunk inline. If we're doing inline
3029 * submissions, flag 'td' as needing a log regrow and we'll take
3030 * care of it on the submission side.
1fed2080 3031 */
ab5643cb 3032 if ((iolog->td && iolog->td->o.io_submit_mode == IO_MODE_OFFLOAD) ||
1eb467fb 3033 !per_unit_log(iolog))
1fed2080
JA		 3034 return regrow_log(iolog);
3035
ab5643cb
IK		 3036 if (iolog->td)
3037 iolog->td->flags |= TD_F_REGROW_LOGS;
3038 if (iolog->pending)
3039 assert(iolog->pending->nr_samples < iolog->pending->max_samples);
1fed2080 3040 return iolog->pending;
7e419452
JA		 3041}
3042
2e7da20d
SK		 3043static void __add_log_sample(struct io_log *iolog, unsigned long t,
3044 struct log_sample *sample)
3c39a379 3045{
7e419452 3046 struct io_logs *cur_log;
306ddc97 3047
3c568239
JA		 3048 if (iolog->disabled)
3049 return;
7e419452 3050 if (flist_empty(&iolog->io_logs))
2e7da20d 3051 iolog->avg_last[sample->ddir] = t;
b8bc8cba 3052
7e419452
JA		 3053 cur_log = get_cur_log(iolog);
3054 if (cur_log) {
3055 struct io_sample *s;
3c39a379 3056
7e419452 3057 s = get_sample(iolog, cur_log, cur_log->nr_samples);
3c39a379 3058
2e7da20d 3059 s->data = sample->data;
12d325ca 3060 s->time = t;
d252275b 3061 if (iolog->td && iolog->td->o.log_alternate_epoch)
12d325ca 3062 s->time += iolog->td->alternate_epoch;
2e7da20d
SK		 3063 io_sample_set_ddir(iolog, s, sample->ddir);
3064 s->bs = sample->bs;
3065 s->priority = sample->priority;
ae588852 3066
9f0a81a6
SK		 3067 if (iolog->log_offset)
3068 s->aux[IOS_AUX_OFFSET_INDEX] = sample->offset;
ae588852 3069
14d3134a
SK		 3070 if (iolog->log_issue_time)
3071 s->aux[IOS_AUX_ISSUE_TIME_INDEX] = sample->issue_time;
3072
7e419452
JA		 3073 cur_log->nr_samples++;
3074 return;
ae588852
JA		 3075 }
3076
7e419452 3077 iolog->disabled = true;
3c39a379
JA		 3078}
3079
7fb28d36
JA		 3080static inline void reset_io_stat(struct io_stat *ios)
3081{
5b8f19b7
JA		 3082 ios->min_val = -1ULL;
3083 ios->max_val = ios->samples = 0;
7fb28d36
JA		 3084 ios->mean.u.f = ios->S.u.f = 0;
3085}
3086
2f045d2e
NC		 3087static inline void reset_io_u_plat(uint64_t *io_u_plat)
3088{
3089 int i;
3090
3091 for (i = 0; i < FIO_IO_U_PLAT_NR; i++)
3092 io_u_plat[i] = 0;
3093}
3094
692dec0c
NC		 3095static inline void reset_clat_prio_stats(struct thread_stat *ts)
3096{
3097 enum fio_ddir ddir;
3098 int i;
3099
3100 for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++) {
3101 if (!ts->clat_prio[ddir])
3102 continue;
3103
3104 for (i = 0; i < ts->nr_clat_prio[ddir]; i++) {
3105 reset_io_stat(&ts->clat_prio[ddir][i].clat_stat);
3106 reset_io_u_plat(ts->clat_prio[ddir][i].io_u_plat);
3107 }
3108 }
3109}
3110
6bb58215
JA		 3111void reset_io_stats(struct thread_data *td)
3112{
3113 struct thread_stat *ts = &td->ts;
2f045d2e 3114 int i, j;
6bb58215
JA		 3115
3116 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
3117 reset_io_stat(&ts->clat_stat[i]);
3118 reset_io_stat(&ts->slat_stat[i]);
3119 reset_io_stat(&ts->lat_stat[i]);
3120 reset_io_stat(&ts->bw_stat[i]);
3121 reset_io_stat(&ts->iops_stat[i]);
3122
3123 ts->io_bytes[i] = 0;
3124 ts->runtime[i] = 0;
71cb78c1
VF		 3125 ts->total_io_u[i] = 0;
3126 ts->short_io_u[i] = 0;
3127 ts->drop_io_u[i] = 0;
6bb58215
JA		 3128 }
3129
df8781b6
VF		 3130 for (i = 0; i < FIO_LAT_CNT; i++)
3131 for (j = 0; j < DDIR_RWDIR_CNT; j++)
2f045d2e 3132 reset_io_u_plat(ts->io_u_plat[i][j]);
df8781b6 3133
692dec0c
NC		 3134 reset_clat_prio_stats(ts);
3135
7f3ecee2 3136 ts->total_io_u[DDIR_SYNC] = 0;
2f045d2e 3137 reset_io_u_plat(ts->io_u_sync_plat);
7f3ecee2 3138
6bb58215
JA		 3139 for (i = 0; i < FIO_IO_U_MAP_NR; i++) {
3140 ts->io_u_map[i] = 0;
3141 ts->io_u_submit[i] = 0;
3142 ts->io_u_complete[i] = 0;
71cb78c1
VF		 3143 }
3144
d6bb626e
VF		 3145 for (i = 0; i < FIO_IO_U_LAT_N_NR; i++)
3146 ts->io_u_lat_n[i] = 0;
71cb78c1 3147 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++)
6bb58215 3148 ts->io_u_lat_u[i] = 0;
71cb78c1 3149 for (i = 0; i < FIO_IO_U_LAT_M_NR; i++)
6bb58215 3150 ts->io_u_lat_m[i] = 0;
6bb58215 3151
71cb78c1
VF		 3152 ts->total_submit = 0;
3153 ts->total_complete = 0;
fd5d733f 3154 ts->nr_zone_resets = 0;
96563db9 3155 ts->cachehit = ts->cachemiss = 0;
6bb58215
JA		 3156}
3157
d96d3bb3 3158static void __add_stat_to_log(struct io_log *iolog, enum fio_ddir ddir,
0e14633c 3159 unsigned long elapsed, int log_max)
99007068
PO		 3160{
3161 /*
3162 * Note an entry in the log. Use the mean from the logged samples,
3163 * making sure to properly round up. Only write a log entry if we
3164 * had actual samples done.
3165 */
d96d3bb3 3166 if (iolog->avg_window[ddir].samples) {
14d3134a 3167 struct log_sample sample = { {{ 0, 0 }}, ddir, 0, 0, 0, 0 };
2e7da20d 3168 union io_sample_data *d = &sample.data;
99007068 3169
0e14633c 3170 if (log_max == IO_LOG_SAMPLE_AVG) {
2e7da20d
SK		 3171 d->val.val0 = iolog->avg_window[ddir].mean.u.f + 0.50;
3172 d->val.val1 = 0;
0e14633c 3173 } else if (log_max == IO_LOG_SAMPLE_MAX) {
2e7da20d
SK		 3174 d->val.val0 = iolog->avg_window[ddir].max_val;
3175 d->val.val1 = 0;
0e14633c 3176 } else {
2e7da20d
SK		 3177 d->val.val0 = iolog->avg_window[ddir].mean.u.f + 0.50;
3178 d->val.val1 = iolog->avg_window[ddir].max_val;
0e14633c 3179 }
e6989e10 3180
2e7da20d 3181 __add_log_sample(iolog, elapsed, &sample);
99007068 3182 }
99007068 3183
d96d3bb3
JA		 3184 reset_io_stat(&iolog->avg_window[ddir]);
3185}
99007068 3186
e6989e10 3187static void _add_stat_to_log(struct io_log *iolog, unsigned long elapsed,
0e14633c 3188 int log_max)
d96d3bb3 3189{
2e545522 3190 enum fio_ddir ddir;
99007068 3191
d96d3bb3 3192 for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++)
03ec570f 3193 __add_stat_to_log(iolog, ddir, elapsed, log_max);
99007068
PO		 3194}
3195
674456bf
JF		 3196static unsigned long add_log_sample(struct thread_data *td,
3197 struct io_log *iolog,
2e7da20d 3198 struct log_sample *sample)
bb3884d8 3199{
7fb28d36 3200 unsigned long elapsed, this_window;
2e7da20d 3201 enum fio_ddir ddir = sample->ddir;
b8bc8cba 3202
ff58fced 3203 if (!ddir_rw(ddir))
d454a205 3204 return 0;
ff58fced 3205
b8bc8cba
JA		 3206 elapsed = mtime_since_now(&td->epoch);
3207
3208 /*
3209 * If no time averaging, just add the log sample.
3210 */
3211 if (!iolog->avg_msec) {
2e7da20d 3212 __add_log_sample(iolog, elapsed, sample);
d454a205 3213 return 0;
b8bc8cba
JA		 3214 }
3215
3216 /*
3217 * Add the sample. If the time period has passed, then
3218 * add that entry to the log and clear.
3219 */
2e7da20d 3220 add_stat_sample(&iolog->avg_window[ddir], sample->data.val.val0);
b8bc8cba 3221
7fb28d36
JA		 3222 /*
3223 * If period hasn't passed, adding the above sample is all we
3224 * need to do.
3225 */
8355119b
SW		 3226 this_window = elapsed - iolog->avg_last[ddir];
3227 if (elapsed < iolog->avg_last[ddir])
3228 return iolog->avg_last[ddir] - elapsed;
f5a568cf 3229 else if (this_window < iolog->avg_msec) {
674456bf 3230 unsigned long diff = iolog->avg_msec - this_window;
d454a205 3231
b392f36d 3232 if (inline_log(iolog) || diff > LOG_MSEC_SLACK)
d454a205
JA		 3233 return diff;
3234 }
b8bc8cba 3235
0e14633c 3236 __add_stat_to_log(iolog, ddir, elapsed, td->o.log_max);
b8bc8cba 3237
58a2d29d
JL		 3238 iolog->avg_last[ddir] = elapsed - (elapsed % iolog->avg_msec);
3239
d454a205 3240 return iolog->avg_msec;
99007068 3241}
6eaf09d6 3242
a47591e4 3243void finalize_logs(struct thread_data *td, bool unit_logs)
99007068
PO		 3244{
3245 unsigned long elapsed;
6eaf09d6 3246
99007068 3247 elapsed = mtime_since_now(&td->epoch);
b8bc8cba 3248
a47591e4 3249 if (td->clat_log && unit_logs)
0e14633c 3250 _add_stat_to_log(td->clat_log, elapsed, td->o.log_max);
a47591e4 3251 if (td->slat_log && unit_logs)
0e14633c 3252 _add_stat_to_log(td->slat_log, elapsed, td->o.log_max);
a47591e4 3253 if (td->lat_log && unit_logs)
0e14633c 3254 _add_stat_to_log(td->lat_log, elapsed, td->o.log_max);
a47591e4 3255 if (td->bw_log && (unit_logs == per_unit_log(td->bw_log)))
0e14633c 3256 _add_stat_to_log(td->bw_log, elapsed, td->o.log_max);
a47591e4 3257 if (td->iops_log && (unit_logs == per_unit_log(td->iops_log)))
0e14633c 3258 _add_stat_to_log(td->iops_log, elapsed, td->o.log_max);
bb3884d8
JA		 3259}
3260
03ec570f
DLM		 3261void add_agg_sample(union io_sample_data data, enum fio_ddir ddir,
3262 unsigned long long bs)
bb3884d8 3263{
ff58fced 3264 struct io_log *iolog;
14d3134a 3265 struct log_sample sample = { data, ddir, bs, 0, 0, 0 };
bb3884d8 3266
ff58fced
JA		 3267 if (!ddir_rw(ddir))
3268 return;
3269
3270 iolog = agg_io_log[ddir];
2e7da20d 3271 __add_log_sample(iolog, mtime_since_genesis(), &sample);
bb3884d8
JA		 3272}
3273
b2b3eefe
JA		 3274void add_sync_clat_sample(struct thread_stat *ts, unsigned long long nsec)
3275{
3276 unsigned int idx = plat_val_to_idx(nsec);
3277 assert(idx < FIO_IO_U_PLAT_NR);
3278
3279 ts->io_u_sync_plat[idx]++;
3280 add_stat_sample(&ts->sync_stat, nsec);
3281}
3282
ed7f3a07
NC		 3283static inline void add_lat_percentile_sample(struct thread_stat *ts,
3284 unsigned long long nsec,
3285 enum fio_ddir ddir,
3286 enum fio_lat lat)
83349190 3287{
d6bb626e 3288 unsigned int idx = plat_val_to_idx(nsec);
83349190
YH		 3289 assert(idx < FIO_IO_U_PLAT_NR);
3290
56440e63
VF		 3291 ts->io_u_plat[lat][ddir][idx]++;
3292}
b2a432bf 3293
692dec0c
NC		 3294static inline void
3295add_lat_percentile_prio_sample(struct thread_stat *ts, unsigned long long nsec,
3296 enum fio_ddir ddir,
3297 unsigned short clat_prio_index)
56440e63
VF		 3298{
3299 unsigned int idx = plat_val_to_idx(nsec);
3300
692dec0c
NC		 3301 if (ts->clat_prio[ddir])
3302 ts->clat_prio[ddir][clat_prio_index].io_u_plat[idx]++;
83349190
YH		 3303}
3304
1e97cce9 3305void add_clat_sample(struct thread_data *td, enum fio_ddir ddir,
5fff9543 3306 unsigned long long nsec, unsigned long long bs,
ac18dd16 3307 struct io_u *io_u)
3c39a379 3308{
26b3a188 3309 const bool needs_lock = td_async_processing(td);
1e613c9c 3310 unsigned long elapsed, this_window;
756867bd 3311 struct thread_stat *ts = &td->ts;
1e613c9c 3312 struct io_log *iolog = td->clat_hist_log;
ac18dd16
SK		 3313 uint64_t offset = 0;
3314 unsigned int ioprio = 0;
3315 unsigned short clat_prio_index = 0;
079ad09b 3316
26b3a188
JA		 3317 if (needs_lock)
3318 __td_io_u_lock(td);
75dc383e 3319
ac18dd16
SK		 3320 if (io_u) {
3321 offset = io_u->offset;
3322 ioprio = io_u->ioprio;
3323 clat_prio_index = io_u->clat_prio_index;
3324 }
3325
d6bb626e 3326 add_stat_sample(&ts->clat_stat[ddir], nsec);
3c39a379 3327
717569b1 3328 /*
692dec0c 3329 * When lat_percentiles=1 (default 0), the reported per priority
717569b1
NC		 3330 * percentiles and stats are used for describing total latency values,
3331 * even though the variable names themselves start with clat_.
3332 *
3333 * Because of the above definition, add a prio stat sample only when
3334 * lat_percentiles=0. add_lat_sample() will add the prio stat sample
3335 * when lat_percentiles=1.
3336 */
692dec0c
NC		 3337 if (!ts->lat_percentiles)
3338 add_stat_prio_sample(ts->clat_prio[ddir], clat_prio_index,
3339 nsec);
b2a432bf 3340
2e7da20d
SK		 3341 if (td->clat_log) {
3342 struct log_sample sample = { sample_val(nsec), ddir, bs,
a0e2faaf
SK		 3343 offset, ioprio, 0 };
3344
3345 if (io_u)
3346 sample.issue_time =
3347 ntime_since(&td->epoch, &io_u->issue_time);
2e7da20d
SK		 3348
3349 add_log_sample(td, td->clat_log, &sample);
3350 }
83349190 3351
b2a432bf 3352 if (ts->clat_percentiles) {
717569b1
NC		 3353 /*
3354 * Because of the above definition, add a prio lat percentile
3355 * sample only when lat_percentiles=0. add_lat_sample() will add
3356 * the prio lat percentile sample when lat_percentiles=1.
3357 */
bf65f7c8
NC		 3358 add_lat_percentile_sample(ts, nsec, ddir, FIO_CLAT);
3359 if (!ts->lat_percentiles)
3360 add_lat_percentile_prio_sample(ts, nsec, ddir,
692dec0c 3361 clat_prio_index);
b2a432bf 3362 }
75dc383e 3363
1e613c9c 3364 if (iolog && iolog->hist_msec) {
93168285
JA		 3365 struct io_hist *hw = &iolog->hist_window[ddir];
3366
3367 hw->samples++;
1e613c9c 3368 elapsed = mtime_since_now(&td->epoch);
93168285 3369 if (!hw->hist_last)
1e613c9c
KC		 3370 hw->hist_last = elapsed;
3371 this_window = elapsed - hw->hist_last;
7a4e480d 3372
1e613c9c 3373 if (this_window >= iolog->hist_msec) {
6cc0e5aa 3374 uint64_t *io_u_plat;
65a4d15c 3375 struct io_u_plat_entry *dst;
2e7da20d 3376 struct log_sample sample = { {{ 0, 0 }}, ddir, bs,
14d3134a 3377 offset, ioprio, 0 };
93168285 3378
1e613c9c 3379 /*
93168285
JA		 3380 * Make a byte-for-byte copy of the latency histogram
3381 * stored in td->ts.io_u_plat[ddir], recording it in a
3382 * log sample. Note that the matching call to free() is
3383 * located in iolog.c after printing this sample to the
3384 * log file.
1e613c9c 3385 */
df8781b6 3386 io_u_plat = (uint64_t *) td->ts.io_u_plat[FIO_CLAT][ddir];
65a4d15c
KC		 3387 dst = malloc(sizeof(struct io_u_plat_entry));
3388 memcpy(&(dst->io_u_plat), io_u_plat,
1fb9250b 3389 FIO_IO_U_PLAT_NR * sizeof(uint64_t));
d730bc58 3390 flist_add(&dst->list, &hw->list);
2e7da20d
SK		 3391
3392 sample.data = sample_plat(dst);
3393 __add_log_sample(iolog, elapsed, &sample);
1e613c9c
KC		 3394
3395 /*
93168285
JA		 3396 * Update the last time we recorded as being now, minus
3397 * any drift in time we encountered before actually
3398 * making the record.
1e613c9c
KC		 3399 */
3400 hw->hist_last = elapsed - (this_window - iolog->hist_msec);
3401 hw->samples = 0;
3402 }
3403 }
3404
26b3a188
JA		 3405 if (needs_lock)
3406 __td_io_u_unlock(td);
3c39a379
JA		 3407}
3408
ac18dd16 3409void add_slat_sample(struct thread_data *td, struct io_u *io_u)
3c39a379 3410{
26b3a188 3411 const bool needs_lock = td_async_processing(td);
756867bd 3412 struct thread_stat *ts = &td->ts;
ac18dd16
SK		 3413 enum fio_ddir ddir;
3414 unsigned long long nsec;
079ad09b 3415
ac18dd16 3416 ddir = io_u->ddir;
ff58fced
JA		 3417 if (!ddir_rw(ddir))
3418 return;
3419
26b3a188
JA		 3420 if (needs_lock)
3421 __td_io_u_lock(td);
75dc383e 3422
ac18dd16
SK		 3423 nsec = ntime_since(&io_u->start_time, &io_u->issue_time);
3424
56440e63 3425 add_stat_sample(&ts->slat_stat[ddir], nsec);
3c39a379 3426
2e7da20d
SK		 3427 if (td->slat_log) {
3428 struct log_sample sample = { sample_val(nsec), ddir,
14d3134a
SK		 3429 io_u->xfer_buflen, io_u->offset, io_u->ioprio,
3430 ntime_since(&td->epoch, &io_u->issue_time) };
2e7da20d
SK		 3431
3432 add_log_sample(td, td->slat_log, &sample);
3433 }
75dc383e 3434
56440e63 3435 if (ts->slat_percentiles)
3dd92a75 3436 add_lat_percentile_sample(ts, nsec, ddir, FIO_SLAT);
56440e63 3437
26b3a188
JA		 3438 if (needs_lock)
3439 __td_io_u_unlock(td);
3c39a379
JA		 3440}
3441
02af0988 3442void add_lat_sample(struct thread_data *td, enum fio_ddir ddir,
5fff9543 3443 unsigned long long nsec, unsigned long long bs,
ac18dd16 3444 struct io_u * io_u)
02af0988 3445{
26b3a188 3446 const bool needs_lock = td_async_processing(td);
02af0988
JA		 3447 struct thread_stat *ts = &td->ts;
3448
ff58fced
JA		 3449 if (!ddir_rw(ddir))
3450 return;
3451
26b3a188
JA		 3452 if (needs_lock)
3453 __td_io_u_lock(td);
75dc383e 3454
d6bb626e 3455 add_stat_sample(&ts->lat_stat[ddir], nsec);
02af0988 3456
2e7da20d
SK		 3457 if (td->lat_log) {
3458 struct log_sample sample = { sample_val(nsec), ddir, bs,
14d3134a 3459 io_u->offset, io_u->ioprio, 0 };
2e7da20d
SK		 3460
3461 add_log_sample(td, td->lat_log, &sample);
3462 }
75dc383e 3463
717569b1 3464 /*
692dec0c 3465 * When lat_percentiles=1 (default 0), the reported per priority
717569b1
NC		 3466 * percentiles and stats are used for describing total latency values,
3467 * even though the variable names themselves start with clat_.
3468 *
3469 * Because of the above definition, add a prio stat and prio lat
3470 * percentile sample only when lat_percentiles=1. add_clat_sample() will
3471 * add the prio stat and prio lat percentile sample when
3472 * lat_percentiles=0.
3473 */
38ec5c51 3474 if (ts->lat_percentiles) {
bf65f7c8 3475 add_lat_percentile_sample(ts, nsec, ddir, FIO_LAT);
ac18dd16
SK		 3476 add_lat_percentile_prio_sample(ts, nsec, ddir,
3477 io_u->clat_prio_index);
3478 add_stat_prio_sample(ts->clat_prio[ddir], io_u->clat_prio_index,
692dec0c 3479 nsec);
38ec5c51 3480 }
26b3a188
JA		 3481 if (needs_lock)
3482 __td_io_u_unlock(td);
02af0988
JA		 3483}
3484
a47591e4 3485void add_bw_sample(struct thread_data *td, struct io_u *io_u,
d6bb626e 3486 unsigned int bytes, unsigned long long spent)
a47591e4 3487{
26b3a188 3488 const bool needs_lock = td_async_processing(td);
a47591e4
JA		 3489 struct thread_stat *ts = &td->ts;
3490 unsigned long rate;
3491
3492 if (spent)
d6bb626e 3493 rate = (unsigned long) (bytes * 1000000ULL / spent);
a47591e4
JA		 3494 else
3495 rate = 0;
3496
26b3a188
JA		 3497 if (needs_lock)
3498 __td_io_u_lock(td);
a47591e4
JA		 3499
3500 add_stat_sample(&ts->bw_stat[io_u->ddir], rate);
3501
2e7da20d
SK		 3502 if (td->bw_log) {
3503 struct log_sample sample = { sample_val(rate), io_u->ddir,
14d3134a 3504 bytes, io_u->offset, io_u->ioprio, 0 };
2e7da20d
SK		 3505
3506 add_log_sample(td, td->bw_log, &sample);
3507 }
a47591e4
JA		 3508
3509 td->stat_io_bytes[io_u->ddir] = td->this_io_bytes[io_u->ddir];
26b3a188
JA		 3510
3511 if (needs_lock)
3512 __td_io_u_unlock(td);
a47591e4
JA		 3513}
3514
8b6a404c
VF		 3515static int __add_samples(struct thread_data *td, struct timespec *parent_tv,
3516 struct timespec *t, unsigned int avg_time,
4843277a
JA		 3517 uint64_t *this_io_bytes, uint64_t *stat_io_bytes,
3518 struct io_stat *stat, struct io_log *log,
3519 bool is_kb)
3c39a379 3520{
26b3a188 3521 const bool needs_lock = td_async_processing(td);
ff58fced 3522 unsigned long spent, rate;
a47591e4 3523 enum fio_ddir ddir;
674456bf 3524 unsigned long next, next_log;
d454a205 3525
4843277a 3526 next_log = avg_time;
ff58fced 3527
4843277a 3528 spent = mtime_since(parent_tv, t);
58a2d29d 3529 if (spent < avg_time && avg_time - spent > LOG_MSEC_SLACK)
4843277a 3530 return avg_time - spent;
9602d8df 3531
26b3a188
JA		 3532 if (needs_lock)
3533 __td_io_u_lock(td);
a9da8ab2 3534
9602d8df 3535 /*
5daa4ebe
JC		 3536 * Compute both read and write rates for the interval.
3537 */
c1f50f76 3538 for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++) {
5daa4ebe
JC		 3539 uint64_t delta;
3540
4843277a 3541 delta = this_io_bytes[ddir] - stat_io_bytes[ddir];
5daa4ebe
JC		 3542 if (!delta)
3543 continue; /* No entries for interval */
3c39a379 3544
4843277a
JA		 3545 if (spent) {
3546 if (is_kb)
3547 rate = delta * 1000 / spent / 1024; /* KiB/s */
3548 else
3549 rate = (delta * 1000) / spent;
3550 } else
0956264f
JA		 3551 rate = 0;
3552
4843277a 3553 add_stat_sample(&stat[ddir], rate);
3c39a379 3554
37181709 3555 if (log) {
2e7da20d 3556 struct log_sample sample = {
14d3134a 3557 sample_val(rate), ddir, 0, 0, 0, 0 };
66b98c9f
JA		 3558
3559 if (td->o.min_bs[ddir] == td->o.max_bs[ddir])
2e7da20d
SK		 3560 sample.bs = td->o.min_bs[ddir];
3561 next = add_log_sample(td, log, &sample);
d454a205 3562 next_log = min(next_log, next);
66b98c9f 3563 }
5daa4ebe 3564
4843277a 3565 stat_io_bytes[ddir] = this_io_bytes[ddir];
5daa4ebe 3566 }
3c39a379 3567
cdb8308d 3568 *parent_tv = *t;
a47591e4 3569
26b3a188
JA		 3570 if (needs_lock)
3571 __td_io_u_unlock(td);
a47591e4 3572
4843277a
JA		 3573 if (spent <= avg_time)
3574 next = avg_time;
306fea38 3575 else
4843277a 3576 next = avg_time - (1 + spent - avg_time);
a47591e4 3577
d454a205 3578 return min(next, next_log);
a47591e4
JA		 3579}
3580
8b6a404c 3581static int add_bw_samples(struct thread_data *td, struct timespec *t)
4843277a
JA		 3582{
3583 return __add_samples(td, &td->bw_sample_time, t, td->o.bw_avg_time,
3584 td->this_io_bytes, td->stat_io_bytes,
3585 td->ts.bw_stat, td->bw_log, true);
3586}
3587
a47591e4
JA		 3588void add_iops_sample(struct thread_data *td, struct io_u *io_u,
3589 unsigned int bytes)
3590{
26b3a188 3591 const bool needs_lock = td_async_processing(td);
a47591e4
JA		 3592 struct thread_stat *ts = &td->ts;
3593
26b3a188
JA		 3594 if (needs_lock)
3595 __td_io_u_lock(td);
a47591e4
JA		 3596
3597 add_stat_sample(&ts->iops_stat[io_u->ddir], 1);
3598
2e7da20d
SK		 3599 if (td->iops_log) {
3600 struct log_sample sample = { sample_val(1), io_u->ddir, bytes,
14d3134a 3601 io_u->offset, io_u->ioprio, 0 };
2e7da20d
SK		 3602
3603 add_log_sample(td, td->iops_log, &sample);
3604 }
a47591e4
JA		 3605
3606 td->stat_io_blocks[io_u->ddir] = td->this_io_blocks[io_u->ddir];
26b3a188
JA		 3607
3608 if (needs_lock)
3609 __td_io_u_unlock(td);
3c39a379 3610}
c8eeb9df 3611
8b6a404c 3612static int add_iops_samples(struct thread_data *td, struct timespec *t)
c8eeb9df 3613{
4843277a
JA		 3614 return __add_samples(td, &td->iops_sample_time, t, td->o.iops_avg_time,
3615 td->this_io_blocks, td->stat_io_blocks,
3616 td->ts.iops_stat, td->iops_log, false);
a47591e4
JA		 3617}
3618
ba03f5af
VF		 3619static bool td_in_logging_state(struct thread_data *td)
3620{
3621 if (in_ramp_time(td))
3622 return false;
3623
3624 switch(td->runstate) {
3625 case TD_RUNNING:
3626 case TD_VERIFYING:
3627 case TD_FINISHING:
3628 case TD_EXITED:
3629 return true;
3630 default:
3631 return false;
3632 }
3633}
3634
a47591e4
JA		 3635/*
3636 * Returns msecs to next event
3637 */
3638int calc_log_samples(void)
3639{
58a2d29d 3640 unsigned int next = ~0U, tmp = 0, next_mod = 0, log_avg_msec_min = -1U;
8b6a404c 3641 struct timespec now;
58a2d29d 3642 long elapsed_time = 0;
a47591e4 3643
da8f124f 3644 for_each_td(td) {
d09dcd34
VF		 3645 fio_gettime(&now, NULL);
3646 elapsed_time = mtime_since(&td->epoch, &now);
58a2d29d 3647
8243be59
JA		 3648 if (!td->o.stats)
3649 continue;
ba03f5af 3650 if (!td_in_logging_state(td)) {
a47591e4
JA		 3651 next = min(td->o.iops_avg_time, td->o.bw_avg_time);
3652 continue;
3653 }
37181709
AH		 3654 if (!td->bw_log ||
3655 (td->bw_log && !per_unit_log(td->bw_log))) {
a47591e4 3656 tmp = add_bw_samples(td, &now);
58a2d29d
JL		 3657
3658 if (td->bw_log)
3659 log_avg_msec_min = min(log_avg_msec_min, (unsigned int)td->bw_log->avg_msec);
a47591e4 3660 }
37181709
AH		 3661 if (!td->iops_log ||
3662 (td->iops_log && !per_unit_log(td->iops_log))) {
a47591e4 3663 tmp = add_iops_samples(td, &now);
58a2d29d
JL		 3664
3665 if (td->iops_log)
3666 log_avg_msec_min = min(log_avg_msec_min, (unsigned int)td->iops_log->avg_msec);
a47591e4 3667 }
58a2d29d
JL		 3668
3669 if (tmp < next)
3670 next = tmp;
da8f124f 3671 } end_for_each();
a47591e4 3672
58a2d29d
JL		 3673 /* if log_avg_msec_min has not been changed, set it to 0 */
3674 if (log_avg_msec_min == -1U)
3675 log_avg_msec_min = 0;
3676
3677 if (log_avg_msec_min == 0)
3678 next_mod = elapsed_time;
3679 else
3680 next_mod = elapsed_time % log_avg_msec_min;
3681
3682 /* correction to keep the time on the log avg msec boundary */
3683 next = min(next, (log_avg_msec_min - next_mod));
3684
a47591e4 3685 return next == ~0U ? 0 : next;
c8eeb9df 3686}
cef9175e
JA		 3687
3688void stat_init(void)
3689{
971caeb1 3690 stat_sem = fio_sem_init(FIO_SEM_UNLOCKED);
cef9175e
JA		 3691}
3692
3693void stat_exit(void)
3694{
3695 /*
3696 * When we have the mutex, we know out-of-band access to it
3697 * have ended.
3698 */
971caeb1
BVA		 3699 fio_sem_down(stat_sem);
3700 fio_sem_remove(stat_sem);
cef9175e 3701}
b2ee7647 3702
b2ee7647
JA		 3703/*
3704 * Called from signal handler. Wake up status thread.
3705 */
3706void show_running_run_stats(void)
3707{
a47591e4 3708 helper_do_stat();
b2ee7647 3709}
66347cfa
DE		 3710
3711uint32_t *io_u_block_info(struct thread_data *td, struct io_u *io_u)
3712{
3713 /* Ignore io_u's which span multiple blocks--they will just get
3714 * inaccurate counts. */
3715 int idx = (io_u->offset - io_u->file->file_offset)
3716 / td->o.bs[DDIR_TRIM];
3717 uint32_t *info = &td->ts.block_infos[idx];
3718 assert(idx < td->ts.nr_block_infos);
3719 return info;
3720}
5c0abd5e 3721
fio - Flexible IO Tester