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fdp: drop expensive modulo operation
[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
971caeb1 27struct fio_sem *stat_sem;
cef9175e 28
210dd0fc
JA		 29void clear_rusage_stat(struct thread_data *td)
30{
31 struct thread_stat *ts = &td->ts;
32
33 fio_getrusage(&td->ru_start);
34 ts->usr_time = ts->sys_time = 0;
35 ts->ctx = 0;
36 ts->minf = ts->majf = 0;
37}
38
3c39a379
JA		 39void update_rusage_stat(struct thread_data *td)
40{
756867bd 41 struct thread_stat *ts = &td->ts;
3c39a379 42
44404c5a 43 fio_getrusage(&td->ru_end);
8b6a404c 44 ts->usr_time += mtime_since_tv(&td->ru_start.ru_utime,
c8aaba19 45 &td->ru_end.ru_utime);
8b6a404c 46 ts->sys_time += mtime_since_tv(&td->ru_start.ru_stime,
c8aaba19
JA		 47 &td->ru_end.ru_stime);
48 ts->ctx += td->ru_end.ru_nvcsw + td->ru_end.ru_nivcsw
49 - (td->ru_start.ru_nvcsw + td->ru_start.ru_nivcsw);
50 ts->minf += td->ru_end.ru_minflt - td->ru_start.ru_minflt;
51 ts->majf += td->ru_end.ru_majflt - td->ru_start.ru_majflt;
5ec10eaa 52
c8aaba19 53 memcpy(&td->ru_start, &td->ru_end, sizeof(td->ru_end));
3c39a379
JA		 54}
55
83349190
YH		 56/*
57 * Given a latency, return the index of the corresponding bucket in
58 * the structure tracking percentiles.
59 *
60 * (1) find the group (and error bits) that the value (latency)
61 * belongs to by looking at its MSB. (2) find the bucket number in the
62 * group by looking at the index bits.
63 *
64 */
d6bb626e 65static unsigned int plat_val_to_idx(unsigned long long val)
83349190
YH		 66{
67 unsigned int msb, error_bits, base, offset, idx;
68
69 /* Find MSB starting from bit 0 */
70 if (val == 0)
71 msb = 0;
72 else
d6bb626e 73 msb = (sizeof(val)*8) - __builtin_clzll(val) - 1;
83349190 74
716050f2
JA		 75 /*
76 * MSB <= (FIO_IO_U_PLAT_BITS-1), cannot be rounded off. Use
77 * all bits of the sample as index
78 */
83349190
YH		 79 if (msb <= FIO_IO_U_PLAT_BITS)
80 return val;
81
82 /* Compute the number of error bits to discard*/
83 error_bits = msb - FIO_IO_U_PLAT_BITS;
84
85 /* Compute the number of buckets before the group */
86 base = (error_bits + 1) << FIO_IO_U_PLAT_BITS;
87
716050f2
JA		 88 /*
89 * Discard the error bits and apply the mask to find the
3c3ed070 90 * index for the buckets in the group
716050f2 91 */
83349190
YH		 92 offset = (FIO_IO_U_PLAT_VAL - 1) & (val >> error_bits);
93
94 /* Make sure the index does not exceed (array size - 1) */
3c3ed070 95 idx = (base + offset) < (FIO_IO_U_PLAT_NR - 1) ?
83349190
YH		 96 (base + offset) : (FIO_IO_U_PLAT_NR - 1);
97
98 return idx;
99}
100
101/*
102 * Convert the given index of the bucket array to the value
103 * represented by the bucket
104 */
129e4193 105static unsigned long long plat_idx_to_val(unsigned int idx)
83349190 106{
c8b44cfa
RL		 107 unsigned int error_bits;
108 unsigned long long k, base;
83349190
YH		 109
110 assert(idx < FIO_IO_U_PLAT_NR);
111
112 /* MSB <= (FIO_IO_U_PLAT_BITS-1), cannot be rounded off. Use
113 * all bits of the sample as index */
3c3ed070 114 if (idx < (FIO_IO_U_PLAT_VAL << 1))
83349190
YH		 115 return idx;
116
117 /* Find the group and compute the minimum value of that group */
3c3ed070 118 error_bits = (idx >> FIO_IO_U_PLAT_BITS) - 1;
c8b44cfa 119 base = ((unsigned long long) 1) << (error_bits + FIO_IO_U_PLAT_BITS);
83349190
YH		 120
121 /* Find its bucket number of the group */
122 k = idx % FIO_IO_U_PLAT_VAL;
123
124 /* Return the mean of the range of the bucket */
125 return base + ((k + 0.5) * (1 << error_bits));
126}
127
128static int double_cmp(const void *a, const void *b)
129{
802ad4a8
JA		 130 const fio_fp64_t fa = *(const fio_fp64_t *) a;
131 const fio_fp64_t fb = *(const fio_fp64_t *) b;
83349190
YH		 132 int cmp = 0;
133
802ad4a8 134 if (fa.u.f > fb.u.f)
83349190 135 cmp = 1;
802ad4a8 136 else if (fa.u.f < fb.u.f)
83349190
YH		 137 cmp = -1;
138
139 return cmp;
140}
141
6cc0e5aa 142unsigned int calc_clat_percentiles(uint64_t *io_u_plat, unsigned long long nr,
d6bb626e
VF		 143 fio_fp64_t *plist, unsigned long long **output,
144 unsigned long long *maxv, unsigned long long *minv)
83349190 145{
447b94e1 146 unsigned long long sum = 0;
1db92cb6 147 unsigned int len, i, j = 0;
d6bb626e 148 unsigned long long *ovals = NULL;
8985b491 149 bool is_last;
1db92cb6 150
d6bb626e 151 *minv = -1ULL;
1db92cb6 152 *maxv = 0;
83349190 153
802ad4a8
JA		 154 len = 0;
155 while (len < FIO_IO_U_LIST_MAX_LEN && plist[len].u.f != 0.0)
156 len++;
716050f2 157
351de8de 158 if (!len)
1db92cb6 159 return 0;
351de8de 160
716050f2 161 /*
802ad4a8
JA		 162 * Sort the percentile list. Note that it may already be sorted if
163 * we are using the default values, but since it's a short list this
164 * isn't a worry. Also note that this does not work for NaN values.
716050f2 165 */
802ad4a8 166 if (len > 1)
68e0dc1a 167 qsort(plist, len, sizeof(plist[0]), double_cmp);
83349190 168
5d89c625
VF		 169 ovals = malloc(len * sizeof(*ovals));
170 if (!ovals)
171 return 0;
172
4f6f8298
JA		 173 /*
174 * Calculate bucket values, note down max and min values
175 */
8985b491 176 is_last = false;
07511a63 177 for (i = 0; i < FIO_IO_U_PLAT_NR && !is_last; i++) {
83349190 178 sum += io_u_plat[i];
298d751e 179 while (sum >= ((long double) plist[j].u.f / 100.0 * nr)) {
802ad4a8 180 assert(plist[j].u.f <= 100.0);
83349190 181
4f6f8298 182 ovals[j] = plat_idx_to_val(i);
1db92cb6
JA		 183 if (ovals[j] < *minv)
184 *minv = ovals[j];
185 if (ovals[j] > *maxv)
186 *maxv = ovals[j];
07511a63 187
8985b491 188 is_last = (j == len - 1) != 0;
07511a63
JA		 189 if (is_last)
190 break;
191
4f6f8298
JA		 192 j++;
193 }
194 }
83349190 195
298d751e
VF		 196 if (!is_last)
197 log_err("fio: error calculating latency percentiles\n");
198
1db92cb6
JA		 199 *output = ovals;
200 return len;
201}
202
203/*
204 * Find and display the p-th percentile of clat
205 */
6cc0e5aa 206static void show_clat_percentiles(uint64_t *io_u_plat, unsigned long long nr,
a666cab8 207 fio_fp64_t *plist, unsigned int precision,
b2b3eefe 208 const char *pre, struct buf_output *out)
1db92cb6 209{
d6bb626e
VF		 210 unsigned int divisor, len, i, j = 0;
211 unsigned long long minv, maxv;
212 unsigned long long *ovals;
8985b491 213 int per_line, scale_down, time_width;
8985b491 214 bool is_last;
eef02441 215 char fmt[32];
1db92cb6
JA		 216
217 len = calc_clat_percentiles(io_u_plat, nr, plist, &ovals, &maxv, &minv);
b2b3eefe 218 if (!len || !ovals)
824d8186 219 return;
1db92cb6 220
4f6f8298 221 /*
d6bb626e
VF		 222 * We default to nsecs, but if the value range is such that we
223 * should scale down to usecs or msecs, do that.
4f6f8298 224 */
d6bb626e
VF		 225 if (minv > 2000000 && maxv > 99999999ULL) {
226 scale_down = 2;
227 divisor = 1000000;
b599759b 228 log_buf(out, " %s percentiles (msec):\n |", pre);
d6bb626e
VF		 229 } else if (minv > 2000 && maxv > 99999) {
230 scale_down = 1;
231 divisor = 1000;
b599759b 232 log_buf(out, " %s percentiles (usec):\n |", pre);
4f6f8298
JA		 233 } else {
234 scale_down = 0;
d6bb626e 235 divisor = 1;
b599759b 236 log_buf(out, " %s percentiles (nsec):\n |", pre);
4f6f8298 237 }
83349190 238
619adf9c 239
d6bb626e 240 time_width = max(5, (int) (log10(maxv / divisor) + 1));
74558486
JA		 241 snprintf(fmt, sizeof(fmt), " %%%u.%ufth=[%%%dllu]%%c", precision + 3,
242 precision, time_width);
243 /* fmt will be something like " %5.2fth=[%4llu]%c" */
d6bb626e 244 per_line = (80 - 7) / (precision + 10 + time_width);
81ab0b3a 245
d6bb626e 246 for (j = 0; j < len; j++) {
4f6f8298 247 /* for formatting */
eef02441 248 if (j != 0 && (j % per_line) == 0)
a666cab8 249 log_buf(out, " |");
83349190 250
4f6f8298 251 /* end of the list */
8985b491 252 is_last = (j == len - 1) != 0;
83349190 253
d6bb626e 254 for (i = 0; i < scale_down; i++)
4f6f8298
JA		 255 ovals[j] = (ovals[j] + 999) / 1000;
256
d6bb626e 257 log_buf(out, fmt, plist[j].u.f, ovals[j], is_last ? '\n' : ',');
4f6f8298
JA		 258
259 if (is_last)
260 break;
261
eef02441 262 if ((j % per_line) == per_line - 1) /* for formatting */
a666cab8 263 log_buf(out, "\n");
83349190 264 }
4f6f8298 265
283feb79 266 free(ovals);
83349190
YH		 267}
268
692dec0c
NC		 269static int get_nr_prios_with_samples(struct thread_stat *ts, enum fio_ddir ddir)
270{
271 int i, nr_prios_with_samples = 0;
272
273 for (i = 0; i < ts->nr_clat_prio[ddir]; i++) {
274 if (ts->clat_prio[ddir][i].clat_stat.samples)
275 nr_prios_with_samples++;
276 }
277
278 return nr_prios_with_samples;
279}
280
74558486
JA		 281bool calc_lat(struct io_stat *is, unsigned long long *min,
282 unsigned long long *max, double *mean, double *dev)
3c39a379 283{
ee0ccb79 284 double n = (double) is->samples;
3c39a379 285
ee0ccb79 286 if (n == 0)
8aa89d70 287 return false;
3c39a379
JA		 288
289 *min = is->min_val;
290 *max = is->max_val;
802ad4a8 291 *mean = is->mean.u.f;
e6d276f2 292
68704084 293 if (n > 1.0)
802ad4a8 294 *dev = sqrt(is->S.u.f / (n - 1.0));
ef9c5c40 295 else
4b43f54e 296 *dev = 0;
ef9c5c40 297
8aa89d70 298 return true;
3c39a379
JA		 299}
300
5cb8a8cd
BP		 301void show_mixed_group_stats(struct group_run_stats *rs, struct buf_output *out)
302{
303 char *io, *agg, *min, *max;
304 char *ioalt, *aggalt, *minalt, *maxalt;
6dc75062
JA		 305 uint64_t io_mix = 0, agg_mix = 0, min_mix = -1, max_mix = 0;
306 uint64_t min_run = -1, max_run = 0;
5cb8a8cd 307 const int i2p = is_power_of_2(rs->kb_base);
6dc75062 308 int i;
5cb8a8cd
BP		 309
310 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
311 if (!rs->max_run[i])
312 continue;
313 io_mix += rs->iobytes[i];
314 agg_mix += rs->agg[i];
315 min_mix = min_mix < rs->min_bw[i] ? min_mix : rs->min_bw[i];
316 max_mix = max_mix > rs->max_bw[i] ? max_mix : rs->max_bw[i];
317 min_run = min_run < rs->min_run[i] ? min_run : rs->min_run[i];
318 max_run = max_run > rs->max_run[i] ? max_run : rs->max_run[i];
319 }
320 io = num2str(io_mix, rs->sig_figs, 1, i2p, N2S_BYTE);
321 ioalt = num2str(io_mix, rs->sig_figs, 1, !i2p, N2S_BYTE);
322 agg = num2str(agg_mix, rs->sig_figs, 1, i2p, rs->unit_base);
323 aggalt = num2str(agg_mix, rs->sig_figs, 1, !i2p, rs->unit_base);
324 min = num2str(min_mix, rs->sig_figs, 1, i2p, rs->unit_base);
325 minalt = num2str(min_mix, rs->sig_figs, 1, !i2p, rs->unit_base);
326 max = num2str(max_mix, rs->sig_figs, 1, i2p, rs->unit_base);
327 maxalt = num2str(max_mix, rs->sig_figs, 1, !i2p, rs->unit_base);
328 log_buf(out, " MIXED: bw=%s (%s), %s-%s (%s-%s), io=%s (%s), run=%llu-%llumsec\n",
329 agg, aggalt, min, max, minalt, maxalt, io, ioalt,
330 (unsigned long long) min_run,
331 (unsigned long long) max_run);
332 free(io);
333 free(agg);
334 free(min);
335 free(max);
336 free(ioalt);
337 free(aggalt);
338 free(minalt);
339 free(maxalt);
340}
341
a666cab8 342void show_group_stats(struct group_run_stats *rs, struct buf_output *out)
3c39a379 343{
d694a6a7
RE		 344 char *io, *agg, *min, *max;
345 char *ioalt, *aggalt, *minalt, *maxalt;
42da5c8b 346 const char *str[] = { " READ", " WRITE" , " TRIM"};
dbe1125e
JA		 347 int i;
348
a666cab8 349 log_buf(out, "\nRun status group %d (all jobs):\n", rs->groupid);
3c39a379 350
6eaf09d6 351 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
90fef2d1
JA		 352 const int i2p = is_power_of_2(rs->kb_base);
353
dbe1125e
JA		 354 if (!rs->max_run[i])
355 continue;
356
e883cb35
JF		 357 io = num2str(rs->iobytes[i], rs->sig_figs, 1, i2p, N2S_BYTE);
358 ioalt = num2str(rs->iobytes[i], rs->sig_figs, 1, !i2p, N2S_BYTE);
359 agg = num2str(rs->agg[i], rs->sig_figs, 1, i2p, rs->unit_base);
360 aggalt = num2str(rs->agg[i], rs->sig_figs, 1, !i2p, rs->unit_base);
361 min = num2str(rs->min_bw[i], rs->sig_figs, 1, i2p, rs->unit_base);
362 minalt = num2str(rs->min_bw[i], rs->sig_figs, 1, !i2p, rs->unit_base);
363 max = num2str(rs->max_bw[i], rs->sig_figs, 1, i2p, rs->unit_base);
364 maxalt = num2str(rs->max_bw[i], rs->sig_figs, 1, !i2p, rs->unit_base);
d694a6a7 365 log_buf(out, "%s: bw=%s (%s), %s-%s (%s-%s), io=%s (%s), run=%llu-%llumsec\n",
5cb8a8cd 366 (rs->unified_rw_rep == UNIFIED_MIXED) ? " MIXED" : str[i],
d694a6a7 367 agg, aggalt, min, max, minalt, maxalt, io, ioalt,
4e0a8fa2
JA		 368 (unsigned long long) rs->min_run[i],
369 (unsigned long long) rs->max_run[i]);
dbe1125e 370
d694a6a7
RE		 371 free(io);
372 free(agg);
373 free(min);
374 free(max);
375 free(ioalt);
376 free(aggalt);
377 free(minalt);
378 free(maxalt);
dbe1125e 379 }
6dc75062 380
fc002f14 381 /* Need to aggregate statistics to show mixed values */
6dc75062 382 if (rs->unified_rw_rep == UNIFIED_BOTH)
5cb8a8cd 383 show_mixed_group_stats(rs, out);
3c39a379
JA		 384}
385
6cc0e5aa 386void stat_calc_dist(uint64_t *map, unsigned long total, double *io_u_dist)
2270890c
JA		 387{
388 int i;
389
390 /*
391 * Do depth distribution calculations
392 */
393 for (i = 0; i < FIO_IO_U_MAP_NR; i++) {
838bc709
JA		 394 if (total) {
395 io_u_dist[i] = (double) map[i] / (double) total;
396 io_u_dist[i] *= 100.0;
397 if (io_u_dist[i] < 0.1 && map[i])
398 io_u_dist[i] = 0.1;
399 } else
400 io_u_dist[i] = 0.0;
2270890c
JA		 401 }
402}
403
04a0feae 404static void stat_calc_lat(struct thread_stat *ts, double *dst,
6cc0e5aa 405 uint64_t *src, int nr)
2270890c 406{
d79db122 407 unsigned long total = ddir_rw_sum(ts->total_io_u);
2270890c
JA		 408 int i;
409
410 /*
411 * Do latency distribution calculations
412 */
04a0feae 413 for (i = 0; i < nr; i++) {
838bc709
JA		 414 if (total) {
415 dst[i] = (double) src[i] / (double) total;
416 dst[i] *= 100.0;
417 if (dst[i] < 0.01 && src[i])
418 dst[i] = 0.01;
419 } else
420 dst[i] = 0.0;
2270890c
JA		 421 }
422}
423
247823cc
VF		 424/*
425 * To keep the terse format unaltered, add all of the ns latency
426 * buckets to the first us latency bucket
427 */
52e4c651 428static void stat_calc_lat_nu(struct thread_stat *ts, double *io_u_lat_u)
247823cc
VF		 429{
430 unsigned long ntotal = 0, total = ddir_rw_sum(ts->total_io_u);
431 int i;
432
433 stat_calc_lat(ts, io_u_lat_u, ts->io_u_lat_u, FIO_IO_U_LAT_U_NR);
434
435 for (i = 0; i < FIO_IO_U_LAT_N_NR; i++)
436 ntotal += ts->io_u_lat_n[i];
437
438 io_u_lat_u[0] += 100.0 * (double) ntotal / (double) total;
439}
440
d6bb626e
VF		 441void stat_calc_lat_n(struct thread_stat *ts, double *io_u_lat)
442{
443 stat_calc_lat(ts, io_u_lat, ts->io_u_lat_n, FIO_IO_U_LAT_N_NR);
444}
445
e5bd1347 446void stat_calc_lat_u(struct thread_stat *ts, double *io_u_lat)
04a0feae
JA		 447{
448 stat_calc_lat(ts, io_u_lat, ts->io_u_lat_u, FIO_IO_U_LAT_U_NR);
449}
450
e5bd1347 451void stat_calc_lat_m(struct thread_stat *ts, double *io_u_lat)
04a0feae
JA		 452{
453 stat_calc_lat(ts, io_u_lat, ts->io_u_lat_m, FIO_IO_U_LAT_M_NR);
454}
455
74558486
JA		 456static void display_lat(const char *name, unsigned long long min,
457 unsigned long long max, double mean, double dev,
458 struct buf_output *out)
ea2accc5 459{
d6bb626e 460 const char *base = "(nsec)";
b29ad562 461 char *minp, *maxp;
ea2accc5 462
d6bb626e 463 if (nsec_to_msec(&min, &max, &mean, &dev))
b29ad562 464 base = "(msec)";
d6bb626e
VF		 465 else if (nsec_to_usec(&min, &max, &mean, &dev))
466 base = "(usec)";
b29ad562 467
d694a6a7
RE		 468 minp = num2str(min, 6, 1, 0, N2S_NONE);
469 maxp = num2str(max, 6, 1, 0, N2S_NONE);
b29ad562 470
a666cab8 471 log_buf(out, " %s %s: min=%s, max=%s, avg=%5.02f,"
b29ad562
JA		 472 " stdev=%5.02f\n", name, base, minp, maxp, mean, dev);
473
474 free(minp);
475 free(maxp);
ea2accc5
JA		 476}
477
b182f077
NC		 478static struct thread_stat *gen_mixed_ddir_stats_from_ts(struct thread_stat *ts)
479{
480 struct thread_stat *ts_lcl;
481
482 /*
483 * Handle aggregation of Reads (ddir = 0), Writes (ddir = 1), and
484 * Trims (ddir = 2)
485 */
486 ts_lcl = malloc(sizeof(struct thread_stat));
487 if (!ts_lcl) {
488 log_err("fio: failed to allocate local thread stat\n");
489 return NULL;
490 }
491
492 init_thread_stat(ts_lcl);
493
494 /* calculate mixed stats */
495 ts_lcl->unified_rw_rep = UNIFIED_MIXED;
496 ts_lcl->lat_percentiles = ts->lat_percentiles;
497 ts_lcl->clat_percentiles = ts->clat_percentiles;
498 ts_lcl->slat_percentiles = ts->slat_percentiles;
499 ts_lcl->percentile_precision = ts->percentile_precision;
500 memcpy(ts_lcl->percentile_list, ts->percentile_list, sizeof(ts->percentile_list));
501
502 sum_thread_stats(ts_lcl, ts);
503
504 return ts_lcl;
505}
506
2e545522
NC		 507static double convert_agg_kbytes_percent(struct group_run_stats *rs,
508 enum fio_ddir ddir, int mean)
5c0abd5e 509{
510 double p_of_agg = 100.0;
511 if (rs && rs->agg[ddir] > 1024) {
106e14ce 512 p_of_agg = mean * 100.0 / (double) (rs->agg[ddir] / 1024.0);
5c0abd5e 513
514 if (p_of_agg > 100.0)
515 p_of_agg = 100.0;
516 }
517 return p_of_agg;
518}
519
756867bd 520static void show_ddir_status(struct group_run_stats *rs, struct thread_stat *ts,
2e545522 521 enum fio_ddir ddir, struct buf_output *out)
3c39a379 522{
d6bb626e
VF		 523 unsigned long runt;
524 unsigned long long min, max, bw, iops;
3c39a379 525 double mean, dev;
96563db9 526 char *io_p, *bw_p, *bw_p_alt, *iops_p, *post_st = NULL;
692dec0c
NC		 527 int i2p, i;
528 const char *clat_type = ts->lat_percentiles ? "lat" : "clat";
3c39a379 529
b2b3eefe
JA		 530 if (ddir_sync(ddir)) {
531 if (calc_lat(&ts->sync_stat, &min, &max, &mean, &dev)) {
532 log_buf(out, " %s:\n", "fsync/fdatasync/sync_file_range");
425d3e0e 533 display_lat(io_ddir_name(ddir), min, max, mean, dev, out);
b2b3eefe
JA		 534 show_clat_percentiles(ts->io_u_sync_plat,
535 ts->sync_stat.samples,
536 ts->percentile_list,
537 ts->percentile_precision,
425d3e0e 538 io_ddir_name(ddir), out);
b2b3eefe
JA		 539 }
540 return;
541 }
542
ff58fced
JA		 543 assert(ddir_rw(ddir));
544
756867bd 545 if (!ts->runtime[ddir])
3c39a379
JA		 546 return;
547
90fef2d1 548 i2p = is_power_of_2(rs->kb_base);
8879fd15
JA		 549 runt = ts->runtime[ddir];
550
551 bw = (1000 * ts->io_bytes[ddir]) / runt;
e883cb35
JF		 552 io_p = num2str(ts->io_bytes[ddir], ts->sig_figs, 1, i2p, N2S_BYTE);
553 bw_p = num2str(bw, ts->sig_figs, 1, i2p, ts->unit_base);
554 bw_p_alt = num2str(bw, ts->sig_figs, 1, !i2p, ts->unit_base);
8879fd15 555
0aacc50c 556 iops = (1000 * (uint64_t)ts->total_io_u[ddir]) / runt;
e883cb35 557 iops_p = num2str(iops, ts->sig_figs, 1, 0, N2S_NONE);
fd5d733f 558 if (ddir == DDIR_WRITE)
96563db9
JA		 559 post_st = zbd_write_status(ts);
560 else if (ddir == DDIR_READ && ts->cachehit && ts->cachemiss) {
561 uint64_t total;
562 double hit;
563
564 total = ts->cachehit + ts->cachemiss;
565 hit = (double) ts->cachehit / (double) total;
566 hit *= 100.0;
567 if (asprintf(&post_st, "; Cachehit=%0.2f%%", hit) < 0)
568 post_st = NULL;
569 }
dbe1125e 570
fd5d733f 571 log_buf(out, " %s: IOPS=%s, BW=%s (%s)(%s/%llumsec)%s\n",
5cb8a8cd 572 (ts->unified_rw_rep == UNIFIED_MIXED) ? "mixed" : io_ddir_name(ddir),
d694a6a7 573 iops_p, bw_p, bw_p_alt, io_p,
fd5d733f 574 (unsigned long long) ts->runtime[ddir],
96563db9 575 post_st ? : "");
dbe1125e 576
96563db9 577 free(post_st);
dbe1125e
JA		 578 free(io_p);
579 free(bw_p);
d694a6a7 580 free(bw_p_alt);
b3605062 581 free(iops_p);
3c39a379 582
b29ad562 583 if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev))
a666cab8 584 display_lat("slat", min, max, mean, dev, out);
b29ad562 585 if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev))
a666cab8 586 display_lat("clat", min, max, mean, dev, out);
b29ad562 587 if (calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev))
a666cab8 588 display_lat(" lat", min, max, mean, dev, out);
692dec0c
NC		 589
590 /* Only print per prio stats if there are >= 2 prios with samples */
591 if (get_nr_prios_with_samples(ts, ddir) >= 2) {
592 for (i = 0; i < ts->nr_clat_prio[ddir]; i++) {
a967e54d
DLM		 593 char buf[64];
594
595 if (!calc_lat(&ts->clat_prio[ddir][i].clat_stat, &min,
596 &max, &mean, &dev))
597 continue;
598
599 snprintf(buf, sizeof(buf),
600 "%s prio %u/%u",
601 clat_type,
602 ioprio_class(ts->clat_prio[ddir][i].ioprio),
603 ioprio(ts->clat_prio[ddir][i].ioprio));
604 display_lat(buf, min, max, mean, dev, out);
692dec0c 605 }
2e86a90c 606 }
02af0988 607
56440e63
VF		 608 if (ts->slat_percentiles && ts->slat_stat[ddir].samples > 0)
609 show_clat_percentiles(ts->io_u_plat[FIO_SLAT][ddir],
610 ts->slat_stat[ddir].samples,
611 ts->percentile_list,
612 ts->percentile_precision, "slat", out);
613 if (ts->clat_percentiles && ts->clat_stat[ddir].samples > 0)
614 show_clat_percentiles(ts->io_u_plat[FIO_CLAT][ddir],
615 ts->clat_stat[ddir].samples,
616 ts->percentile_list,
617 ts->percentile_precision, "clat", out);
618 if (ts->lat_percentiles && ts->lat_stat[ddir].samples > 0)
619 show_clat_percentiles(ts->io_u_plat[FIO_LAT][ddir],
620 ts->lat_stat[ddir].samples,
621 ts->percentile_list,
622 ts->percentile_precision, "lat", out);
623
b599759b 624 if (ts->clat_percentiles || ts->lat_percentiles) {
692dec0c 625 char prio_name[64];
af1600c1
SW		 626 uint64_t samples;
627
56440e63 628 if (ts->lat_percentiles)
af1600c1 629 samples = ts->lat_stat[ddir].samples;
56440e63
VF		 630 else
631 samples = ts->clat_stat[ddir].samples;
b2a432bf 632
692dec0c
NC		 633 /* Only print per prio stats if there are >= 2 prios with samples */
634 if (get_nr_prios_with_samples(ts, ddir) >= 2) {
635 for (i = 0; i < ts->nr_clat_prio[ddir]; i++) {
a967e54d
DLM		 636 uint64_t prio_samples =
637 ts->clat_prio[ddir][i].clat_stat.samples;
638
639 if (!prio_samples)
640 continue;
641
642 snprintf(prio_name, sizeof(prio_name),
643 "%s prio %u/%u (%.2f%% of IOs)",
644 clat_type,
645 ioprio_class(ts->clat_prio[ddir][i].ioprio),
646 ioprio(ts->clat_prio[ddir][i].ioprio),
647 100. * (double) prio_samples / (double) samples);
648 show_clat_percentiles(ts->clat_prio[ddir][i].io_u_plat,
649 prio_samples, ts->percentile_list,
650 ts->percentile_precision,
651 prio_name, out);
692dec0c 652 }
b2a432bf 653 }
83349190 654 }
56440e63 655
079ad09b 656 if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) {
142c7f2d 657 double p_of_agg = 100.0, fkb_base = (double)rs->kb_base;
d694a6a7
RE		 658 const char *bw_str;
659
660 if ((rs->unit_base == 1) && i2p)
661 bw_str = "Kibit";
662 else if (rs->unit_base == 1)
663 bw_str = "kbit";
664 else if (i2p)
665 bw_str = "KiB";
666 else
667 bw_str = "kB";
d686990a 668
5c0abd5e 669 p_of_agg = convert_agg_kbytes_percent(rs, ddir, mean);
d1707474 670
d686990a
SN		 671 if (rs->unit_base == 1) {
672 min *= 8.0;
673 max *= 8.0;
674 mean *= 8.0;
675 dev *= 8.0;
676 }
3c39a379 677
142c7f2d
SN		 678 if (mean > fkb_base * fkb_base) {
679 min /= fkb_base;
680 max /= fkb_base;
681 mean /= fkb_base;
682 dev /= fkb_base;
d694a6a7 683 bw_str = (rs->unit_base == 1 ? "Mibit" : "MiB");
b7017e32
JA		 684 }
685
54c05828 686 log_buf(out, " bw (%5s/s): min=%5llu, max=%5llu, per=%3.2f%%, "
29eb371b 687 "avg=%5.02f, stdev=%5.02f, samples=%" PRIu64 "\n",
54c05828
AH		 688 bw_str, min, max, p_of_agg, mean, dev,
689 (&ts->bw_stat[ddir])->samples);
3c39a379 690 }
188b6016 691 if (calc_lat(&ts->iops_stat[ddir], &min, &max, &mean, &dev)) {
21ba6606 692 log_buf(out, " iops : min=%5llu, max=%5llu, "
29eb371b 693 "avg=%5.02f, stdev=%5.02f, samples=%" PRIu64 "\n",
54c05828 694 min, max, mean, dev, (&ts->iops_stat[ddir])->samples);
188b6016 695 }
3c39a379
JA		 696}
697
53d966f8
NC		 698static void show_mixed_ddir_status(struct group_run_stats *rs,
699 struct thread_stat *ts,
700 struct buf_output *out)
701{
b182f077 702 struct thread_stat *ts_lcl = gen_mixed_ddir_stats_from_ts(ts);
53d966f8 703
b182f077
NC		 704 if (ts_lcl)
705 show_ddir_status(rs, ts_lcl, DDIR_READ, out);
53d966f8 706
692dec0c 707 free_clat_prio_stats(ts_lcl);
53d966f8
NC		 708 free(ts_lcl);
709}
710
8985b491
JA		 711static bool show_lat(double *io_u_lat, int nr, const char **ranges,
712 const char *msg, struct buf_output *out)
04a0feae 713{
8985b491
JA		 714 bool new_line = true, shown = false;
715 int i, line = 0;
04a0feae
JA		 716
717 for (i = 0; i < nr; i++) {
718 if (io_u_lat[i] <= 0.0)
719 continue;
8985b491 720 shown = true;
04a0feae 721 if (new_line) {
4539ed73 722 if (line)
a666cab8 723 log_buf(out, "\n");
4a19fcaa 724 log_buf(out, " lat (%s) : ", msg);
8985b491 725 new_line = false;
04a0feae
JA		 726 line = 0;
727 }
728 if (line)
a666cab8
JA		 729 log_buf(out, ", ");
730 log_buf(out, "%s%3.2f%%", ranges[i], io_u_lat[i]);
04a0feae
JA		 731 line++;
732 if (line == 5)
8985b491 733 new_line = true;
04a0feae 734 }
7e1773ba
JA		 735
736 if (shown)
a666cab8 737 log_buf(out, "\n");
7e1773ba 738
8985b491 739 return true;
04a0feae
JA		 740}
741
d6bb626e
VF		 742static void show_lat_n(double *io_u_lat_n, struct buf_output *out)
743{
744 const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=",
745 "250=", "500=", "750=", "1000=", };
746
747 show_lat(io_u_lat_n, FIO_IO_U_LAT_N_NR, ranges, "nsec", out);
748}
749
a666cab8 750static void show_lat_u(double *io_u_lat_u, struct buf_output *out)
04a0feae
JA		 751{
752 const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=",
753 "250=", "500=", "750=", "1000=", };
754
a666cab8 755 show_lat(io_u_lat_u, FIO_IO_U_LAT_U_NR, ranges, "usec", out);
04a0feae
JA		 756}
757
a666cab8 758static void show_lat_m(double *io_u_lat_m, struct buf_output *out)
04a0feae
JA		 759{
760 const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=",
761 "250=", "500=", "750=", "1000=", "2000=",
762 ">=2000=", };
763
a666cab8 764 show_lat(io_u_lat_m, FIO_IO_U_LAT_M_NR, ranges, "msec", out);
04a0feae
JA		 765}
766
a666cab8 767static void show_latencies(struct thread_stat *ts, struct buf_output *out)
04a0feae 768{
d6bb626e 769 double io_u_lat_n[FIO_IO_U_LAT_N_NR];
c551f65a
JA		 770 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
771 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
772
d6bb626e 773 stat_calc_lat_n(ts, io_u_lat_n);
5a18988e
JA		 774 stat_calc_lat_u(ts, io_u_lat_u);
775 stat_calc_lat_m(ts, io_u_lat_m);
776
d6bb626e 777 show_lat_n(io_u_lat_n, out);
a666cab8
JA		 778 show_lat_u(io_u_lat_u, out);
779 show_lat_m(io_u_lat_m, out);
04a0feae
JA		 780}
781
66347cfa
DE		 782static int block_state_category(int block_state)
783{
784 switch (block_state) {
785 case BLOCK_STATE_UNINIT:
786 return 0;
787 case BLOCK_STATE_TRIMMED:
788 case BLOCK_STATE_WRITTEN:
789 return 1;
790 case BLOCK_STATE_WRITE_FAILURE:
791 case BLOCK_STATE_TRIM_FAILURE:
792 return 2;
793 default:
081c2dc3 794 /* Silence compile warning on some BSDs and have a return */
66347cfa 795 assert(0);
07ff5841 796 return -1;
66347cfa
DE		 797 }
798}
799
800static int compare_block_infos(const void *bs1, const void *bs2)
801{
5fff9543
JF		 802 uint64_t block1 = *(uint64_t *)bs1;
803 uint64_t block2 = *(uint64_t *)bs2;
66347cfa
DE		 804 int state1 = BLOCK_INFO_STATE(block1);
805 int state2 = BLOCK_INFO_STATE(block2);
806 int bscat1 = block_state_category(state1);
807 int bscat2 = block_state_category(state2);
808 int cycles1 = BLOCK_INFO_TRIMS(block1);
809 int cycles2 = BLOCK_INFO_TRIMS(block2);
810
811 if (bscat1 < bscat2)
812 return -1;
813 if (bscat1 > bscat2)
814 return 1;
815
816 if (cycles1 < cycles2)
817 return -1;
818 if (cycles1 > cycles2)
819 return 1;
820
821 if (state1 < state2)
822 return -1;
823 if (state1 > state2)
824 return 1;
825
826 assert(block1 == block2);
827 return 0;
828}
829
830static int calc_block_percentiles(int nr_block_infos, uint32_t *block_infos,
831 fio_fp64_t *plist, unsigned int **percentiles,
832 unsigned int *types)
833{
834 int len = 0;
835 int i, nr_uninit;
836
837 qsort(block_infos, nr_block_infos, sizeof(uint32_t), compare_block_infos);
838
839 while (len < FIO_IO_U_LIST_MAX_LEN && plist[len].u.f != 0.0)
840 len++;
841
842 if (!len)
843 return 0;
844
845 /*
846 * Sort the percentile list. Note that it may already be sorted if
847 * we are using the default values, but since it's a short list this
848 * isn't a worry. Also note that this does not work for NaN values.
849 */
850 if (len > 1)
68e0dc1a 851 qsort(plist, len, sizeof(plist[0]), double_cmp);
66347cfa 852
66347cfa
DE		 853 /* Start only after the uninit entries end */
854 for (nr_uninit = 0;
855 nr_uninit < nr_block_infos
856 && BLOCK_INFO_STATE(block_infos[nr_uninit]) == BLOCK_STATE_UNINIT;
857 nr_uninit ++)
858 ;
859
860 if (nr_uninit == nr_block_infos)
861 return 0;
862
863 *percentiles = calloc(len, sizeof(**percentiles));
864
865 for (i = 0; i < len; i++) {
866 int idx = (plist[i].u.f * (nr_block_infos - nr_uninit) / 100)
867 + nr_uninit;
868 (*percentiles)[i] = BLOCK_INFO_TRIMS(block_infos[idx]);
869 }
870
871 memset(types, 0, sizeof(*types) * BLOCK_STATE_COUNT);
872 for (i = 0; i < nr_block_infos; i++)
873 types[BLOCK_INFO_STATE(block_infos[i])]++;
874
875 return len;
876}
877
878static const char *block_state_names[] = {
879 [BLOCK_STATE_UNINIT] = "unwritten",
880 [BLOCK_STATE_TRIMMED] = "trimmed",
881 [BLOCK_STATE_WRITTEN] = "written",
882 [BLOCK_STATE_TRIM_FAILURE] = "trim failure",
883 [BLOCK_STATE_WRITE_FAILURE] = "write failure",
884};
885
886static void show_block_infos(int nr_block_infos, uint32_t *block_infos,
a666cab8 887 fio_fp64_t *plist, struct buf_output *out)
66347cfa
DE		 888{
889 int len, pos, i;
890 unsigned int *percentiles = NULL;
891 unsigned int block_state_counts[BLOCK_STATE_COUNT];
892
893 len = calc_block_percentiles(nr_block_infos, block_infos, plist,
894 &percentiles, block_state_counts);
895
a666cab8 896 log_buf(out, " block lifetime percentiles :\n |");
66347cfa
DE		 897 pos = 0;
898 for (i = 0; i < len; i++) {
899 uint32_t block_info = percentiles[i];
900#define LINE_LENGTH 75
901 char str[LINE_LENGTH];
902 int strln = snprintf(str, LINE_LENGTH, " %3.2fth=%u%c",
903 plist[i].u.f, block_info,
904 i == len - 1 ? '\n' : ',');
905 assert(strln < LINE_LENGTH);
906 if (pos + strln > LINE_LENGTH) {
907 pos = 0;
a666cab8 908 log_buf(out, "\n |");
66347cfa 909 }
a666cab8 910 log_buf(out, "%s", str);
66347cfa
DE		 911 pos += strln;
912#undef LINE_LENGTH
913 }
914 if (percentiles)
915 free(percentiles);
916
a666cab8 917 log_buf(out, " states :");
66347cfa 918 for (i = 0; i < BLOCK_STATE_COUNT; i++)
a666cab8 919 log_buf(out, " %s=%u%c",
66347cfa
DE		 920 block_state_names[i], block_state_counts[i],
921 i == BLOCK_STATE_COUNT - 1 ? '\n' : ',');
922}
923
d685adfb
VF		 924static void show_ss_normal(struct thread_stat *ts, struct buf_output *out)
925{
d694a6a7 926 char *p1, *p1alt, *p2;
d685adfb
VF		 927 unsigned long long bw_mean, iops_mean;
928 const int i2p = is_power_of_2(ts->kb_base);
929
0c13c969 930 if (!ts->ss_dur)
d685adfb
VF		 931 return;
932
bb49c8bd
VF		 933 bw_mean = steadystate_bw_mean(ts);
934 iops_mean = steadystate_iops_mean(ts);
d685adfb 935
e883cb35
JF		 936 p1 = num2str(bw_mean / ts->kb_base, ts->sig_figs, ts->kb_base, i2p, ts->unit_base);
937 p1alt = num2str(bw_mean / ts->kb_base, ts->sig_figs, ts->kb_base, !i2p, ts->unit_base);
938 p2 = num2str(iops_mean, ts->sig_figs, 1, 0, N2S_NONE);
d685adfb 939
d694a6a7 940 log_buf(out, " steadystate : attained=%s, bw=%s (%s), iops=%s, %s%s=%.3f%s\n",
c8caba48 941 ts->ss_state & FIO_SS_ATTAINED ? "yes" : "no",
d694a6a7 942 p1, p1alt, p2,
c8caba48
JA		 943 ts->ss_state & FIO_SS_IOPS ? "iops" : "bw",
944 ts->ss_state & FIO_SS_SLOPE ? " slope": " mean dev",
bb49c8bd 945 ts->ss_criterion.u.f,
c8caba48 946 ts->ss_state & FIO_SS_PCT ? "%" : "");
d685adfb
VF		 947
948 free(p1);
d694a6a7 949 free(p1alt);
d685adfb
VF		 950 free(p2);
951}
952
2a2fdab1
L		 953static void show_agg_stats(struct disk_util_agg *agg, int terse,
954 struct buf_output *out)
955{
956 if (!agg->slavecount)
957 return;
958
959 if (!terse) {
960 log_buf(out, ", aggrios=%llu/%llu, aggrmerge=%llu/%llu, "
961 "aggrticks=%llu/%llu, aggrin_queue=%llu, "
962 "aggrutil=%3.2f%%",
963 (unsigned long long) agg->ios[0] / agg->slavecount,
964 (unsigned long long) agg->ios[1] / agg->slavecount,
965 (unsigned long long) agg->merges[0] / agg->slavecount,
966 (unsigned long long) agg->merges[1] / agg->slavecount,
967 (unsigned long long) agg->ticks[0] / agg->slavecount,
968 (unsigned long long) agg->ticks[1] / agg->slavecount,
969 (unsigned long long) agg->time_in_queue / agg->slavecount,
970 agg->max_util.u.f);
971 } else {
972 log_buf(out, ";slaves;%llu;%llu;%llu;%llu;%llu;%llu;%llu;%3.2f%%",
973 (unsigned long long) agg->ios[0] / agg->slavecount,
974 (unsigned long long) agg->ios[1] / agg->slavecount,
975 (unsigned long long) agg->merges[0] / agg->slavecount,
976 (unsigned long long) agg->merges[1] / agg->slavecount,
977 (unsigned long long) agg->ticks[0] / agg->slavecount,
978 (unsigned long long) agg->ticks[1] / agg->slavecount,
979 (unsigned long long) agg->time_in_queue / agg->slavecount,
980 agg->max_util.u.f);
981 }
982}
983
984static void aggregate_slaves_stats(struct disk_util *masterdu)
985{
986 struct disk_util_agg *agg = &masterdu->agg;
987 struct disk_util_stat *dus;
988 struct flist_head *entry;
989 struct disk_util *slavedu;
990 double util;
991
992 flist_for_each(entry, &masterdu->slaves) {
993 slavedu = flist_entry(entry, struct disk_util, slavelist);
994 dus = &slavedu->dus;
995 agg->ios[0] += dus->s.ios[0];
996 agg->ios[1] += dus->s.ios[1];
997 agg->merges[0] += dus->s.merges[0];
998 agg->merges[1] += dus->s.merges[1];
999 agg->sectors[0] += dus->s.sectors[0];
1000 agg->sectors[1] += dus->s.sectors[1];
1001 agg->ticks[0] += dus->s.ticks[0];
1002 agg->ticks[1] += dus->s.ticks[1];
1003 agg->time_in_queue += dus->s.time_in_queue;
1004 agg->slavecount++;
1005
1006 util = (double) (100 * dus->s.io_ticks / (double) slavedu->dus.s.msec);
1007 /* System utilization is the utilization of the
1008 * component with the highest utilization.
1009 */
1010 if (util > agg->max_util.u.f)
1011 agg->max_util.u.f = util;
1012
1013 }
1014
1015 if (agg->max_util.u.f > 100.0)
1016 agg->max_util.u.f = 100.0;
1017}
1018
1019void print_disk_util(struct disk_util_stat *dus, struct disk_util_agg *agg,
1020 int terse, struct buf_output *out)
1021{
1022 double util = 0;
1023
1024 if (dus->s.msec)
1025 util = (double) 100 * dus->s.io_ticks / (double) dus->s.msec;
1026 if (util > 100.0)
1027 util = 100.0;
1028
1029 if (!terse) {
1030 if (agg->slavecount)
1031 log_buf(out, " ");
1032
1033 log_buf(out, " %s: ios=%llu/%llu, merge=%llu/%llu, "
1034 "ticks=%llu/%llu, in_queue=%llu, util=%3.2f%%",
1035 dus->name,
1036 (unsigned long long) dus->s.ios[0],
1037 (unsigned long long) dus->s.ios[1],
1038 (unsigned long long) dus->s.merges[0],
1039 (unsigned long long) dus->s.merges[1],
1040 (unsigned long long) dus->s.ticks[0],
1041 (unsigned long long) dus->s.ticks[1],
1042 (unsigned long long) dus->s.time_in_queue,
1043 util);
1044 } else {
1045 log_buf(out, ";%s;%llu;%llu;%llu;%llu;%llu;%llu;%llu;%3.2f%%",
1046 dus->name,
1047 (unsigned long long) dus->s.ios[0],
1048 (unsigned long long) dus->s.ios[1],
1049 (unsigned long long) dus->s.merges[0],
1050 (unsigned long long) dus->s.merges[1],
1051 (unsigned long long) dus->s.ticks[0],
1052 (unsigned long long) dus->s.ticks[1],
1053 (unsigned long long) dus->s.time_in_queue,
1054 util);
1055 }
1056
1057 /*
1058 * If the device has slaves, aggregate the stats for
1059 * those slave devices also.
1060 */
1061 show_agg_stats(agg, terse, out);
1062
1063 if (!terse)
1064 log_buf(out, "\n");
1065}
1066
1067void json_array_add_disk_util(struct disk_util_stat *dus,
1068 struct disk_util_agg *agg, struct json_array *array)
1069{
1070 struct json_object *obj;
1071 double util = 0;
1072
1073 if (dus->s.msec)
1074 util = (double) 100 * dus->s.io_ticks / (double) dus->s.msec;
1075 if (util > 100.0)
1076 util = 100.0;
1077
1078 obj = json_create_object();
1079 json_array_add_value_object(array, obj);
1080
eb2f29b7 1081 json_object_add_value_string(obj, "name", (const char *)dus->name);
2a2fdab1
L		 1082 json_object_add_value_int(obj, "read_ios", dus->s.ios[0]);
1083 json_object_add_value_int(obj, "write_ios", dus->s.ios[1]);
1084 json_object_add_value_int(obj, "read_merges", dus->s.merges[0]);
1085 json_object_add_value_int(obj, "write_merges", dus->s.merges[1]);
1086 json_object_add_value_int(obj, "read_ticks", dus->s.ticks[0]);
1087 json_object_add_value_int(obj, "write_ticks", dus->s.ticks[1]);
1088 json_object_add_value_int(obj, "in_queue", dus->s.time_in_queue);
1089 json_object_add_value_float(obj, "util", util);
1090
1091 /*
1092 * If the device has slaves, aggregate the stats for
1093 * those slave devices also.
1094 */
1095 if (!agg->slavecount)
1096 return;
1097 json_object_add_value_int(obj, "aggr_read_ios",
1098 agg->ios[0] / agg->slavecount);
1099 json_object_add_value_int(obj, "aggr_write_ios",
1100 agg->ios[1] / agg->slavecount);
1101 json_object_add_value_int(obj, "aggr_read_merges",
1102 agg->merges[0] / agg->slavecount);
1103 json_object_add_value_int(obj, "aggr_write_merge",
1104 agg->merges[1] / agg->slavecount);
1105 json_object_add_value_int(obj, "aggr_read_ticks",
1106 agg->ticks[0] / agg->slavecount);
1107 json_object_add_value_int(obj, "aggr_write_ticks",
1108 agg->ticks[1] / agg->slavecount);
1109 json_object_add_value_int(obj, "aggr_in_queue",
1110 agg->time_in_queue / agg->slavecount);
1111 json_object_add_value_float(obj, "aggr_util", agg->max_util.u.f);
1112}
1113
1114static void json_object_add_disk_utils(struct json_object *obj,
1115 struct flist_head *head)
1116{
1117 struct json_array *array = json_create_array();
1118 struct flist_head *entry;
1119 struct disk_util *du;
1120
1121 json_object_add_value_array(obj, "disk_util", array);
1122
1123 flist_for_each(entry, head) {
1124 du = flist_entry(entry, struct disk_util, list);
1125
1126 aggregate_slaves_stats(du);
1127 json_array_add_disk_util(&du->dus, &du->agg, array);
1128 }
1129}
1130
1131void show_disk_util(int terse, struct json_object *parent,
1132 struct buf_output *out)
1133{
1134 struct flist_head *entry;
1135 struct disk_util *du;
1136 bool do_json;
1137
1138 if (!is_running_backend())
1139 return;
1140
6dc75062 1141 if (flist_empty(&disk_list))
2a2fdab1 1142 return;
2a2fdab1
L		 1143
1144 if ((output_format & FIO_OUTPUT_JSON) && parent)
1145 do_json = true;
1146 else
1147 do_json = false;
1148
1149 if (!terse && !do_json)
1150 log_buf(out, "\nDisk stats (read/write):\n");
1151
6dc75062 1152 if (do_json) {
2a2fdab1 1153 json_object_add_disk_utils(parent, &disk_list);
6dc75062 1154 } else if (output_format & ~(FIO_OUTPUT_JSON | FIO_OUTPUT_JSON_PLUS)) {
2a2fdab1
L		 1155 flist_for_each(entry, &disk_list) {
1156 du = flist_entry(entry, struct disk_util, list);
1157
1158 aggregate_slaves_stats(du);
1159 print_disk_util(&du->dus, &du->agg, terse, out);
1160 }
1161 }
1162}
1163
10aa136b 1164static void show_thread_status_normal(struct thread_stat *ts,
a666cab8
JA		 1165 struct group_run_stats *rs,
1166 struct buf_output *out)
3c39a379
JA		 1167{
1168 double usr_cpu, sys_cpu;
69008999 1169 unsigned long runtime;
71619dc2 1170 double io_u_dist[FIO_IO_U_MAP_NR];
57a64324 1171 time_t time_p;
35326842 1172 char time_buf[32];
3c39a379 1173
9966af7b 1174 if (!ddir_rw_sum(ts->io_bytes) && !ddir_rw_sum(ts->total_io_u))
3c39a379 1175 return;
7a4e480d 1176
33477b4b 1177 memset(time_buf, 0, sizeof(time_buf));
3c39a379 1178
57a64324 1179 time(&time_p);
45054cbe 1180 os_ctime_r((const time_t *) &time_p, time_buf, sizeof(time_buf));
57a64324 1181
5ec10eaa 1182 if (!ts->error) {
a666cab8 1183 log_buf(out, "%s: (groupid=%d, jobs=%d): err=%2d: pid=%d: %s",
5ec10eaa 1184 ts->name, ts->groupid, ts->members,
57a64324 1185 ts->error, (int) ts->pid, time_buf);
5ec10eaa 1186 } else {
a666cab8 1187 log_buf(out, "%s: (groupid=%d, jobs=%d): err=%2d (%s): pid=%d: %s",
5ec10eaa 1188 ts->name, ts->groupid, ts->members,
57a64324
JA		 1189 ts->error, ts->verror, (int) ts->pid,
1190 time_buf);
5ec10eaa 1191 }
3c39a379 1192
259e47de 1193 if (strlen(ts->description))
a666cab8 1194 log_buf(out, " Description : [%s]\n", ts->description);
7bdce1bd 1195
dde39f8c
AD		 1196 for_each_rw_ddir(ddir) {
1197 if (ts->io_bytes[ddir])
1198 show_ddir_status(rs, ts, ddir, out);
1199 }
3c39a379 1200
5cb8a8cd
BP		 1201 if (ts->unified_rw_rep == UNIFIED_BOTH)
1202 show_mixed_ddir_status(rs, ts, out);
1203
a666cab8 1204 show_latencies(ts, out);
7e1773ba 1205
b2b3eefe
JA		 1206 if (ts->sync_stat.samples)
1207 show_ddir_status(rs, ts, DDIR_SYNC, out);
1208
756867bd 1209 runtime = ts->total_run_time;
69008999 1210 if (runtime) {
1e97cce9 1211 double runt = (double) runtime;
3c39a379 1212
756867bd
JA		 1213 usr_cpu = (double) ts->usr_time * 100 / runt;
1214 sys_cpu = (double) ts->sys_time * 100 / runt;
3c39a379
JA		 1215 } else {
1216 usr_cpu = 0;
1217 sys_cpu = 0;
1218 }
1219
a666cab8 1220 log_buf(out, " cpu : usr=%3.2f%%, sys=%3.2f%%, ctx=%llu,"
4e0a8fa2
JA		 1221 " majf=%llu, minf=%llu\n", usr_cpu, sys_cpu,
1222 (unsigned long long) ts->ctx,
1223 (unsigned long long) ts->majf,
1224 (unsigned long long) ts->minf);
71619dc2 1225
d79db122 1226 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
a666cab8 1227 log_buf(out, " IO depths : 1=%3.1f%%, 2=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%,"
5ec10eaa
JA		 1228 " 16=%3.1f%%, 32=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0],
1229 io_u_dist[1], io_u_dist[2],
1230 io_u_dist[3], io_u_dist[4],
1231 io_u_dist[5], io_u_dist[6]);
838bc709
JA		 1232
1233 stat_calc_dist(ts->io_u_submit, ts->total_submit, io_u_dist);
a666cab8 1234 log_buf(out, " submit : 0=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%, 16=%3.1f%%,"
838bc709
JA		 1235 " 32=%3.1f%%, 64=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0],
1236 io_u_dist[1], io_u_dist[2],
1237 io_u_dist[3], io_u_dist[4],
1238 io_u_dist[5], io_u_dist[6]);
1239 stat_calc_dist(ts->io_u_complete, ts->total_complete, io_u_dist);
a666cab8 1240 log_buf(out, " complete : 0=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%, 16=%3.1f%%,"
838bc709
JA		 1241 " 32=%3.1f%%, 64=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0],
1242 io_u_dist[1], io_u_dist[2],
1243 io_u_dist[3], io_u_dist[4],
1244 io_u_dist[5], io_u_dist[6]);
7f3ecee2
JA		 1245 log_buf(out, " issued rwts: total=%llu,%llu,%llu,%llu"
1246 " short=%llu,%llu,%llu,0"
1247 " dropped=%llu,%llu,%llu,0\n",
4e0a8fa2
JA		 1248 (unsigned long long) ts->total_io_u[0],
1249 (unsigned long long) ts->total_io_u[1],
1250 (unsigned long long) ts->total_io_u[2],
7f3ecee2 1251 (unsigned long long) ts->total_io_u[3],
4e0a8fa2
JA		 1252 (unsigned long long) ts->short_io_u[0],
1253 (unsigned long long) ts->short_io_u[1],
3bcb9d94
JA		 1254 (unsigned long long) ts->short_io_u[2],
1255 (unsigned long long) ts->drop_io_u[0],
1256 (unsigned long long) ts->drop_io_u[1],
1257 (unsigned long long) ts->drop_io_u[2]);
f2bba182 1258 if (ts->continue_on_error) {
a666cab8 1259 log_buf(out, " errors : total=%llu, first_error=%d/<%s>\n",
4e0a8fa2 1260 (unsigned long long)ts->total_err_count,
1ec99eea
JA		 1261 ts->first_error,
1262 strerror(ts->first_error));
f2bba182 1263 }
3e260a46 1264 if (ts->latency_depth) {
a666cab8 1265 log_buf(out, " latency : target=%llu, window=%llu, percentile=%.2f%%, depth=%u\n",
3e260a46
JA		 1266 (unsigned long long)ts->latency_target,
1267 (unsigned long long)ts->latency_window,
1268 ts->latency_percentile.u.f,
1269 ts->latency_depth);
1270 }
66347cfa
DE		 1271
1272 if (ts->nr_block_infos)
1273 show_block_infos(ts->nr_block_infos, ts->block_infos,
a666cab8 1274 ts->percentile_list, out);
d685adfb 1275
bb49c8bd 1276 if (ts->ss_dur)
d685adfb 1277 show_ss_normal(ts, out);
3c39a379
JA		 1278}
1279
756867bd 1280static void show_ddir_status_terse(struct thread_stat *ts,
2e545522
NC		 1281 struct group_run_stats *rs,
1282 enum fio_ddir ddir, int ver,
1283 struct buf_output *out)
c6ae0a5b 1284{
d6bb626e
VF		 1285 unsigned long long min, max, minv, maxv, bw, iops;
1286 unsigned long long *ovals = NULL;
c6ae0a5b 1287 double mean, dev;
d6bb626e 1288 unsigned int len;
a2c95580 1289 int i, bw_stat;
c6ae0a5b 1290
ff58fced
JA		 1291 assert(ddir_rw(ddir));
1292
312b4af2
JA		 1293 iops = bw = 0;
1294 if (ts->runtime[ddir]) {
1295 uint64_t runt = ts->runtime[ddir];
1296
420b104a 1297 bw = ((1000 * ts->io_bytes[ddir]) / runt) / 1024; /* KiB/s */
312b4af2
JA		 1298 iops = (1000 * (uint64_t) ts->total_io_u[ddir]) / runt;
1299 }
c6ae0a5b 1300
a666cab8 1301 log_buf(out, ";%llu;%llu;%llu;%llu",
4e0a8fa2
JA		 1302 (unsigned long long) ts->io_bytes[ddir] >> 10, bw, iops,
1303 (unsigned long long) ts->runtime[ddir]);
c6ae0a5b 1304
079ad09b 1305 if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev))
247823cc 1306 log_buf(out, ";%llu;%llu;%f;%f", min/1000, max/1000, mean/1000, dev/1000);
c6ae0a5b 1307 else
d6bb626e 1308 log_buf(out, ";%llu;%llu;%f;%f", 0ULL, 0ULL, 0.0, 0.0);
c6ae0a5b 1309
079ad09b 1310 if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev))
247823cc 1311 log_buf(out, ";%llu;%llu;%f;%f", min/1000, max/1000, mean/1000, dev/1000);
c6ae0a5b 1312 else
d6bb626e 1313 log_buf(out, ";%llu;%llu;%f;%f", 0ULL, 0ULL, 0.0, 0.0);
c6ae0a5b 1314
6dc75062 1315 if (ts->lat_percentiles) {
56440e63
VF		 1316 len = calc_clat_percentiles(ts->io_u_plat[FIO_LAT][ddir],
1317 ts->lat_stat[ddir].samples,
1318 ts->percentile_list, &ovals, &maxv,
1319 &minv);
6dc75062 1320 } else if (ts->clat_percentiles) {
df8781b6 1321 len = calc_clat_percentiles(ts->io_u_plat[FIO_CLAT][ddir],
1db92cb6
JA		 1322 ts->clat_stat[ddir].samples,
1323 ts->percentile_list, &ovals, &maxv,
1324 &minv);
6dc75062 1325 } else {
1db92cb6 1326 len = 0;
6dc75062
JA		 1327 }
1328
1db92cb6
JA		 1329 for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) {
1330 if (i >= len) {
a666cab8 1331 log_buf(out, ";0%%=0");
1db92cb6
JA		 1332 continue;
1333 }
247823cc 1334 log_buf(out, ";%f%%=%llu", ts->percentile_list[i].u.f, ovals[i]/1000);
1db92cb6 1335 }
2341a37a
K		 1336
1337 if (calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev))
247823cc 1338 log_buf(out, ";%llu;%llu;%f;%f", min/1000, max/1000, mean/1000, dev/1000);
2341a37a 1339 else
d6bb626e 1340 log_buf(out, ";%llu;%llu;%f;%f", 0ULL, 0ULL, 0.0, 0.0);
2341a37a 1341
283feb79 1342 free(ovals);
1db92cb6 1343
a2c95580
AH		 1344 bw_stat = calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev);
1345 if (bw_stat) {
19d3e967
JA		 1346 double p_of_agg = 100.0;
1347
1348 if (rs->agg[ddir]) {
d1707474 1349 p_of_agg = mean * 100 / (double) (rs->agg[ddir] / 1024);
19d3e967
JA		 1350 if (p_of_agg > 100.0)
1351 p_of_agg = 100.0;
1352 }
c6ae0a5b 1353
d6bb626e 1354 log_buf(out, ";%llu;%llu;%f%%;%f;%f", min, max, p_of_agg, mean, dev);
6dc75062 1355 } else {
d6bb626e 1356 log_buf(out, ";%llu;%llu;%f%%;%f;%f", 0ULL, 0ULL, 0.0, 0.0, 0.0);
6dc75062 1357 }
a2c95580
AH		 1358
1359 if (ver == 5) {
1360 if (bw_stat)
29eb371b 1361 log_buf(out, ";%" PRIu64, (&ts->bw_stat[ddir])->samples);
a2c95580
AH		 1362 else
1363 log_buf(out, ";%lu", 0UL);
1364
1365 if (calc_lat(&ts->iops_stat[ddir], &min, &max, &mean, &dev))
29eb371b 1366 log_buf(out, ";%llu;%llu;%f;%f;%" PRIu64, min, max,
a2c95580
AH		 1367 mean, dev, (&ts->iops_stat[ddir])->samples);
1368 else
1369 log_buf(out, ";%llu;%llu;%f;%f;%lu", 0ULL, 0ULL, 0.0, 0.0, 0UL);
1370 }
c6ae0a5b
JA		 1371}
1372
5cb8a8cd
BP		 1373static void show_mixed_ddir_status_terse(struct thread_stat *ts,
1374 struct group_run_stats *rs,
1375 int ver, struct buf_output *out)
1376{
b182f077 1377 struct thread_stat *ts_lcl = gen_mixed_ddir_stats_from_ts(ts);
5cb8a8cd 1378
b182f077
NC		 1379 if (ts_lcl)
1380 show_ddir_status_terse(ts_lcl, rs, DDIR_READ, ver, out);
5cb8a8cd 1381
692dec0c 1382 free_clat_prio_stats(ts_lcl);
5cb8a8cd
BP		 1383 free(ts_lcl);
1384}
1385
6dc75062
JA		 1386static struct json_object *add_ddir_lat_json(struct thread_stat *ts,
1387 uint32_t percentiles,
1388 struct io_stat *lat_stat,
1389 uint64_t *io_u_plat)
56440e63
VF		 1390{
1391 char buf[120];
1392 double mean, dev;
1393 unsigned int i, len;
1394 struct json_object *lat_object, *percentile_object, *clat_bins_object;
1395 unsigned long long min, max, maxv, minv, *ovals = NULL;
1396
1397 if (!calc_lat(lat_stat, &min, &max, &mean, &dev)) {
1398 min = max = 0;
1399 mean = dev = 0.0;
1400 }
1401 lat_object = json_create_object();
1402 json_object_add_value_int(lat_object, "min", min);
1403 json_object_add_value_int(lat_object, "max", max);
1404 json_object_add_value_float(lat_object, "mean", mean);
1405 json_object_add_value_float(lat_object, "stddev", dev);
1406 json_object_add_value_int(lat_object, "N", lat_stat->samples);
1407
1408 if (percentiles && lat_stat->samples) {
1409 len = calc_clat_percentiles(io_u_plat, lat_stat->samples,
1410 ts->percentile_list, &ovals, &maxv, &minv);
1411
1412 if (len > FIO_IO_U_LIST_MAX_LEN)
1413 len = FIO_IO_U_LIST_MAX_LEN;
1414
1415 percentile_object = json_create_object();
1416 json_object_add_value_object(lat_object, "percentile", percentile_object);
1417 for (i = 0; i < len; i++) {
1418 snprintf(buf, sizeof(buf), "%f", ts->percentile_list[i].u.f);
1419 json_object_add_value_int(percentile_object, buf, ovals[i]);
1420 }
1421 free(ovals);
1422
1423 if (output_format & FIO_OUTPUT_JSON_PLUS) {
1424 clat_bins_object = json_create_object();
1425 json_object_add_value_object(lat_object, "bins", clat_bins_object);
1426
1427 for(i = 0; i < FIO_IO_U_PLAT_NR; i++)
1428 if (io_u_plat[i]) {
1429 snprintf(buf, sizeof(buf), "%llu", plat_idx_to_val(i));
1430 json_object_add_value_int(clat_bins_object, buf, io_u_plat[i]);
1431 }
1432 }
1433 }
1434
1435 return lat_object;
1436}
1437
cc372b17 1438static void add_ddir_status_json(struct thread_stat *ts,
2e545522
NC		 1439 struct group_run_stats *rs, enum fio_ddir ddir,
1440 struct json_object *parent)
cc372b17 1441{
56440e63 1442 unsigned long long min, max;
aedd021d 1443 unsigned long long bw_bytes, bw;
9f68fe3a 1444 double mean, dev, iops;
56440e63 1445 struct json_object *dir_object, *tmp_object;
cc372b17
SL		 1446 double p_of_agg = 100.0;
1447
b2b3eefe 1448 assert(ddir_rw(ddir) || ddir_sync(ddir));
cc372b17 1449
5cb8a8cd 1450 if ((ts->unified_rw_rep == UNIFIED_MIXED) && ddir != DDIR_READ)
771e58be
JA		 1451 return;
1452
cc372b17 1453 dir_object = json_create_object();
771e58be 1454 json_object_add_value_object(parent,
5cb8a8cd 1455 (ts->unified_rw_rep == UNIFIED_MIXED) ? "mixed" : io_ddir_name(ddir), dir_object);
cc372b17 1456
b2b3eefe
JA		 1457 if (ddir_rw(ddir)) {
1458 bw_bytes = 0;
1459 bw = 0;
1460 iops = 0.0;
1461 if (ts->runtime[ddir]) {
1462 uint64_t runt = ts->runtime[ddir];
cc372b17 1463
b2b3eefe
JA		 1464 bw_bytes = ((1000 * ts->io_bytes[ddir]) / runt); /* Bytes/s */
1465 bw = bw_bytes / 1024; /* KiB/s */
1466 iops = (1000.0 * (uint64_t) ts->total_io_u[ddir]) / runt;
1467 }
cc372b17 1468
b2b3eefe
JA		 1469 json_object_add_value_int(dir_object, "io_bytes", ts->io_bytes[ddir]);
1470 json_object_add_value_int(dir_object, "io_kbytes", ts->io_bytes[ddir] >> 10);
1471 json_object_add_value_int(dir_object, "bw_bytes", bw_bytes);
1472 json_object_add_value_int(dir_object, "bw", bw);
1473 json_object_add_value_float(dir_object, "iops", iops);
1474 json_object_add_value_int(dir_object, "runtime", ts->runtime[ddir]);
1475 json_object_add_value_int(dir_object, "total_ios", ts->total_io_u[ddir]);
1476 json_object_add_value_int(dir_object, "short_ios", ts->short_io_u[ddir]);
1477 json_object_add_value_int(dir_object, "drop_ios", ts->drop_io_u[ddir]);
1478
56440e63
VF		 1479 tmp_object = add_ddir_lat_json(ts, ts->slat_percentiles,
1480 &ts->slat_stat[ddir], ts->io_u_plat[FIO_SLAT][ddir]);
b2b3eefe 1481 json_object_add_value_object(dir_object, "slat_ns", tmp_object);
56440e63
VF		 1482
1483 tmp_object = add_ddir_lat_json(ts, ts->clat_percentiles,
1484 &ts->clat_stat[ddir], ts->io_u_plat[FIO_CLAT][ddir]);
b2b3eefe 1485 json_object_add_value_object(dir_object, "clat_ns", tmp_object);
cc372b17 1486
56440e63
VF		 1487 tmp_object = add_ddir_lat_json(ts, ts->lat_percentiles,
1488 &ts->lat_stat[ddir], ts->io_u_plat[FIO_LAT][ddir]);
b2b3eefe 1489 json_object_add_value_object(dir_object, "lat_ns", tmp_object);
56440e63 1490 } else {
f5ec8123 1491 json_object_add_value_int(dir_object, "total_ios", ts->total_io_u[DDIR_SYNC]);
56440e63
VF		 1492 tmp_object = add_ddir_lat_json(ts, ts->lat_percentiles | ts->clat_percentiles,
1493 &ts->sync_stat, ts->io_u_sync_plat);
1494 json_object_add_value_object(dir_object, "lat_ns", tmp_object);
513e37ee
VF		 1495 }
1496
56440e63
VF		 1497 if (!ddir_rw(ddir))
1498 return;
b2a432bf 1499
1cbbba65
NC		 1500 /* Only include per prio stats if there are >= 2 prios with samples */
1501 if (get_nr_prios_with_samples(ts, ddir) >= 2) {
1502 struct json_array *array = json_create_array();
1503 const char *obj_name;
1504 int i;
1505
1506 if (ts->lat_percentiles)
1507 obj_name = "lat_ns";
1508 else
1509 obj_name = "clat_ns";
b2a432bf 1510
1cbbba65 1511 json_object_add_value_array(dir_object, "prios", array);
b2b3eefe 1512
1cbbba65 1513 for (i = 0; i < ts->nr_clat_prio[ddir]; i++) {
a967e54d
DLM		 1514 struct json_object *obj;
1515
1516 if (!ts->clat_prio[ddir][i].clat_stat.samples)
1517 continue;
1518
1519 obj = json_create_object();
1520
1521 json_object_add_value_int(obj, "prioclass",
1522 ioprio_class(ts->clat_prio[ddir][i].ioprio));
1523 json_object_add_value_int(obj, "prio",
1524 ioprio(ts->clat_prio[ddir][i].ioprio));
1525
1526 tmp_object = add_ddir_lat_json(ts,
1527 ts->clat_percentiles | ts->lat_percentiles,
1528 &ts->clat_prio[ddir][i].clat_stat,
1529 ts->clat_prio[ddir][i].io_u_plat);
1530 json_object_add_value_object(obj, obj_name, tmp_object);
1531 json_array_add_value_object(array, obj);
1cbbba65 1532 }
cc372b17 1533 }
24cab44e 1534
b9e1b491 1535 if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) {
5c0abd5e 1536 p_of_agg = convert_agg_kbytes_percent(rs, ddir, mean);
cc372b17
SL		 1537 } else {
1538 min = max = 0;
1539 p_of_agg = mean = dev = 0.0;
1540 }
56440e63 1541
cc372b17
SL		 1542 json_object_add_value_int(dir_object, "bw_min", min);
1543 json_object_add_value_int(dir_object, "bw_max", max);
a806bf2e 1544 json_object_add_value_float(dir_object, "bw_agg", p_of_agg);
cc372b17
SL		 1545 json_object_add_value_float(dir_object, "bw_mean", mean);
1546 json_object_add_value_float(dir_object, "bw_dev", dev);
54c05828
AH		 1547 json_object_add_value_int(dir_object, "bw_samples",
1548 (&ts->bw_stat[ddir])->samples);
188b6016
AH		 1549
1550 if (!calc_lat(&ts->iops_stat[ddir], &min, &max, &mean, &dev)) {
1551 min = max = 0;
1552 mean = dev = 0.0;
1553 }
1554 json_object_add_value_int(dir_object, "iops_min", min);
1555 json_object_add_value_int(dir_object, "iops_max", max);
1556 json_object_add_value_float(dir_object, "iops_mean", mean);
1557 json_object_add_value_float(dir_object, "iops_stddev", dev);
54c05828
AH		 1558 json_object_add_value_int(dir_object, "iops_samples",
1559 (&ts->iops_stat[ddir])->samples);
96563db9
JA		 1560
1561 if (ts->cachehit + ts->cachemiss) {
1562 uint64_t total;
1563 double hit;
1564
1565 total = ts->cachehit + ts->cachemiss;
1566 hit = (double) ts->cachehit / (double) total;
1567 hit *= 100.0;
1568 json_object_add_value_float(dir_object, "cachehit", hit);
1569 }
cc372b17
SL		 1570}
1571
5cb8a8cd
BP		 1572static void add_mixed_ddir_status_json(struct thread_stat *ts,
1573 struct group_run_stats *rs, struct json_object *parent)
1574{
b182f077 1575 struct thread_stat *ts_lcl = gen_mixed_ddir_stats_from_ts(ts);
5cb8a8cd
BP		 1576
1577 /* add the aggregated stats to json parent */
b182f077
NC		 1578 if (ts_lcl)
1579 add_ddir_status_json(ts_lcl, rs, DDIR_READ, parent);
1580
692dec0c 1581 free_clat_prio_stats(ts_lcl);
5cb8a8cd
BP		 1582 free(ts_lcl);
1583}
1584
bef2112b
AH		 1585static void show_thread_status_terse_all(struct thread_stat *ts,
1586 struct group_run_stats *rs, int ver,
1587 struct buf_output *out)
4d658652
JA		 1588{
1589 double io_u_dist[FIO_IO_U_MAP_NR];
1590 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
1591 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
1592 double usr_cpu, sys_cpu;
1593 int i;
1594
1595 /* General Info */
bef2112b
AH		 1596 if (ver == 2)
1597 log_buf(out, "2;%s;%d;%d", ts->name, ts->groupid, ts->error);
1598 else
1599 log_buf(out, "%d;%s;%s;%d;%d", ver, fio_version_string,
1600 ts->name, ts->groupid, ts->error);
c6ae0a5b 1601
5cb8a8cd 1602 /* Log Read Status, or mixed if unified_rw_rep = 1 */
a2c95580 1603 show_ddir_status_terse(ts, rs, DDIR_READ, ver, out);
5cb8a8cd
BP		 1604 if (ts->unified_rw_rep != UNIFIED_MIXED) {
1605 /* Log Write Status */
1606 show_ddir_status_terse(ts, rs, DDIR_WRITE, ver, out);
1607 /* Log Trim Status */
1608 if (ver == 2 || ver == 4 || ver == 5)
1609 show_ddir_status_terse(ts, rs, DDIR_TRIM, ver, out);
1610 }
1611 if (ts->unified_rw_rep == UNIFIED_BOTH)
1612 show_mixed_ddir_status_terse(ts, rs, ver, out);
562c2d2f 1613 /* CPU Usage */
756867bd
JA		 1614 if (ts->total_run_time) {
1615 double runt = (double) ts->total_run_time;
c6ae0a5b 1616
756867bd
JA		 1617 usr_cpu = (double) ts->usr_time * 100 / runt;
1618 sys_cpu = (double) ts->sys_time * 100 / runt;
c6ae0a5b
JA		 1619 } else {
1620 usr_cpu = 0;
1621 sys_cpu = 0;
1622 }
1623
a666cab8 1624 log_buf(out, ";%f%%;%f%%;%llu;%llu;%llu", usr_cpu, sys_cpu,
4e0a8fa2
JA		 1625 (unsigned long long) ts->ctx,
1626 (unsigned long long) ts->majf,
1627 (unsigned long long) ts->minf);
2270890c 1628
562c2d2f 1629 /* Calc % distribution of IO depths, usecond, msecond latency */
d79db122 1630 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
247823cc 1631 stat_calc_lat_nu(ts, io_u_lat_u);
04a0feae 1632 stat_calc_lat_m(ts, io_u_lat_m);
2270890c 1633
562c2d2f 1634 /* Only show fixed 7 I/O depth levels*/
a666cab8 1635 log_buf(out, ";%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%",
5ec10eaa
JA		 1636 io_u_dist[0], io_u_dist[1], io_u_dist[2], io_u_dist[3],
1637 io_u_dist[4], io_u_dist[5], io_u_dist[6]);
2270890c 1638
562c2d2f 1639 /* Microsecond latency */
04a0feae 1640 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++)
a666cab8 1641 log_buf(out, ";%3.2f%%", io_u_lat_u[i]);
562c2d2f 1642 /* Millisecond latency */
04a0feae 1643 for (i = 0; i < FIO_IO_U_LAT_M_NR; i++)
a666cab8 1644 log_buf(out, ";%3.2f%%", io_u_lat_m[i]);
f2f788dd
JA		 1645
1646 /* disk util stats, if any */
24a97130 1647 if (ver >= 3 && is_running_backend())
bef2112b 1648 show_disk_util(1, NULL, out);
f2f788dd 1649
562c2d2f 1650 /* Additional output if continue_on_error set - default off*/
f2bba182 1651 if (ts->continue_on_error)
a666cab8 1652 log_buf(out, ";%llu;%d", (unsigned long long) ts->total_err_count, ts->first_error);
2270890c 1653
562c2d2f 1654 /* Additional output if description is set */
d5495f0b
VF		 1655 if (strlen(ts->description)) {
1656 if (ver == 2)
1657 log_buf(out, "\n");
a666cab8 1658 log_buf(out, ";%s", ts->description);
d5495f0b 1659 }
946e4276 1660
a666cab8 1661 log_buf(out, "\n");
756867bd
JA		 1662}
1663
a89ba4b1 1664static void json_add_job_opts(struct json_object *root, const char *name,
0cf542af 1665 struct flist_head *opt_list)
66e19a38
JA		 1666{
1667 struct json_object *dir_object;
1668 struct flist_head *entry;
1669 struct print_option *p;
1670
1671 if (flist_empty(opt_list))
1672 return;
1673
1674 dir_object = json_create_object();
1675 json_object_add_value_object(root, name, dir_object);
1676
1677 flist_for_each(entry, opt_list) {
66e19a38 1678 p = flist_entry(entry, struct print_option, list);
c42b48fe 1679 json_object_add_value_string(dir_object, p->name, p->value);
66e19a38
JA		 1680 }
1681}
1682
cc372b17 1683static struct json_object *show_thread_status_json(struct thread_stat *ts,
66e19a38
JA		 1684 struct group_run_stats *rs,
1685 struct flist_head *opt_list)
cc372b17
SL		 1686{
1687 struct json_object *root, *tmp;
b01af66b 1688 struct jobs_eta *je;
cc372b17 1689 double io_u_dist[FIO_IO_U_MAP_NR];
d6bb626e 1690 double io_u_lat_n[FIO_IO_U_LAT_N_NR];
cc372b17
SL		 1691 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
1692 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
1693 double usr_cpu, sys_cpu;
1694 int i;
b01af66b
CJ		 1695 size_t size;
1696
cc372b17
SL		 1697 root = json_create_object();
1698 json_object_add_value_string(root, "jobname", ts->name);
1699 json_object_add_value_int(root, "groupid", ts->groupid);
1700 json_object_add_value_int(root, "error", ts->error);
1701
b01af66b 1702 /* ETA Info */
c5103619 1703 je = get_jobs_eta(true, &size);
2de615ad
JA		 1704 if (je) {
1705 json_object_add_value_int(root, "eta", je->eta_sec);
1706 json_object_add_value_int(root, "elapsed", je->elapsed_sec);
0fc3cb4c 1707 free(je);
2de615ad 1708 }
b01af66b 1709
66e19a38 1710 if (opt_list)
0cf542af 1711 json_add_job_opts(root, "job options", opt_list);
66e19a38 1712
cc372b17
SL		 1713 add_ddir_status_json(ts, rs, DDIR_READ, root);
1714 add_ddir_status_json(ts, rs, DDIR_WRITE, root);
f3afa57e 1715 add_ddir_status_json(ts, rs, DDIR_TRIM, root);
b2b3eefe 1716 add_ddir_status_json(ts, rs, DDIR_SYNC, root);
cc372b17 1717
5cb8a8cd
BP		 1718 if (ts->unified_rw_rep == UNIFIED_BOTH)
1719 add_mixed_ddir_status_json(ts, rs, root);
1720
cc372b17
SL		 1721 /* CPU Usage */
1722 if (ts->total_run_time) {
1723 double runt = (double) ts->total_run_time;
1724
1725 usr_cpu = (double) ts->usr_time * 100 / runt;
1726 sys_cpu = (double) ts->sys_time * 100 / runt;
1727 } else {
1728 usr_cpu = 0;
1729 sys_cpu = 0;
1730 }
bcbb4c6c 1731 json_object_add_value_int(root, "job_runtime", ts->total_run_time);
cc372b17
SL		 1732 json_object_add_value_float(root, "usr_cpu", usr_cpu);
1733 json_object_add_value_float(root, "sys_cpu", sys_cpu);
1734 json_object_add_value_int(root, "ctx", ts->ctx);
1735 json_object_add_value_int(root, "majf", ts->majf);
1736 json_object_add_value_int(root, "minf", ts->minf);
1737
ec3e3648 1738 /* Calc % distribution of IO depths */
d79db122 1739 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
cc372b17
SL		 1740 tmp = json_create_object();
1741 json_object_add_value_object(root, "iodepth_level", tmp);
1742 /* Only show fixed 7 I/O depth levels*/
1743 for (i = 0; i < 7; i++) {
1744 char name[20];
1745 if (i < 6)
98ffb8f3 1746 snprintf(name, 20, "%d", 1 << i);
cc372b17 1747 else
98ffb8f3 1748 snprintf(name, 20, ">=%d", 1 << i);
cc372b17
SL		 1749 json_object_add_value_float(tmp, (const char *)name, io_u_dist[i]);
1750 }
1751
ec3e3648
VF		 1752 /* Calc % distribution of submit IO depths */
1753 stat_calc_dist(ts->io_u_submit, ts->total_submit, io_u_dist);
1754 tmp = json_create_object();
1755 json_object_add_value_object(root, "iodepth_submit", tmp);
1756 /* Only show fixed 7 I/O depth levels*/
1757 for (i = 0; i < 7; i++) {
1758 char name[20];
1759 if (i == 0)
1760 snprintf(name, 20, "0");
1761 else if (i < 6)
1762 snprintf(name, 20, "%d", 1 << (i+1));
1763 else
1764 snprintf(name, 20, ">=%d", 1 << i);
1765 json_object_add_value_float(tmp, (const char *)name, io_u_dist[i]);
1766 }
1767
1768 /* Calc % distribution of completion IO depths */
1769 stat_calc_dist(ts->io_u_complete, ts->total_complete, io_u_dist);
1770 tmp = json_create_object();
1771 json_object_add_value_object(root, "iodepth_complete", tmp);
1772 /* Only show fixed 7 I/O depth levels*/
1773 for (i = 0; i < 7; i++) {
1774 char name[20];
1775 if (i == 0)
1776 snprintf(name, 20, "0");
1777 else if (i < 6)
1778 snprintf(name, 20, "%d", 1 << (i+1));
1779 else
1780 snprintf(name, 20, ">=%d", 1 << i);
1781 json_object_add_value_float(tmp, (const char *)name, io_u_dist[i]);
1782 }
1783
1784 /* Calc % distribution of nsecond, usecond, msecond latency */
1785 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
1786 stat_calc_lat_n(ts, io_u_lat_n);
1787 stat_calc_lat_u(ts, io_u_lat_u);
1788 stat_calc_lat_m(ts, io_u_lat_m);
1789
d6bb626e 1790 /* Nanosecond latency */
cc372b17 1791 tmp = json_create_object();
d6bb626e
VF		 1792 json_object_add_value_object(root, "latency_ns", tmp);
1793 for (i = 0; i < FIO_IO_U_LAT_N_NR; i++) {
1794 const char *ranges[] = { "2", "4", "10", "20", "50", "100",
1795 "250", "500", "750", "1000", };
1796 json_object_add_value_float(tmp, ranges[i], io_u_lat_n[i]);
1797 }
cc372b17 1798 /* Microsecond latency */
d6bb626e
VF		 1799 tmp = json_create_object();
1800 json_object_add_value_object(root, "latency_us", tmp);
cc372b17
SL		 1801 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) {
1802 const char *ranges[] = { "2", "4", "10", "20", "50", "100",
1803 "250", "500", "750", "1000", };
1804 json_object_add_value_float(tmp, ranges[i], io_u_lat_u[i]);
1805 }
1806 /* Millisecond latency */
1807 tmp = json_create_object();
1808 json_object_add_value_object(root, "latency_ms", tmp);
1809 for (i = 0; i < FIO_IO_U_LAT_M_NR; i++) {
1810 const char *ranges[] = { "2", "4", "10", "20", "50", "100",
1811 "250", "500", "750", "1000", "2000",
1812 ">=2000", };
1813 json_object_add_value_float(tmp, ranges[i], io_u_lat_m[i]);
1814 }
1815
1816 /* Additional output if continue_on_error set - default off*/
1817 if (ts->continue_on_error) {
1818 json_object_add_value_int(root, "total_err", ts->total_err_count);
952b05e0 1819 json_object_add_value_int(root, "first_error", ts->first_error);
cc372b17
SL		 1820 }
1821
3e260a46
JA		 1822 if (ts->latency_depth) {
1823 json_object_add_value_int(root, "latency_depth", ts->latency_depth);
1824 json_object_add_value_int(root, "latency_target", ts->latency_target);
1825 json_object_add_value_float(root, "latency_percentile", ts->latency_percentile.u.f);
1826 json_object_add_value_int(root, "latency_window", ts->latency_window);
1827 }
1828
cc372b17
SL		 1829 /* Additional output if description is set */
1830 if (strlen(ts->description))
1831 json_object_add_value_string(root, "desc", ts->description);
1832
66347cfa
DE		 1833 if (ts->nr_block_infos) {
1834 /* Block error histogram and types */
1835 int len;
1836 unsigned int *percentiles = NULL;
1837 unsigned int block_state_counts[BLOCK_STATE_COUNT];
1838
1839 len = calc_block_percentiles(ts->nr_block_infos, ts->block_infos,
1840 ts->percentile_list,
1841 &percentiles, block_state_counts);
1842
1843 if (len) {
1844 struct json_object *block, *percentile_object, *states;
8a68c41c 1845 int state;
66347cfa
DE		 1846 block = json_create_object();
1847 json_object_add_value_object(root, "block", block);
1848
1849 percentile_object = json_create_object();
1850 json_object_add_value_object(block, "percentiles",
1851 percentile_object);
1852 for (i = 0; i < len; i++) {
1853 char buf[20];
1854 snprintf(buf, sizeof(buf), "%f",
1855 ts->percentile_list[i].u.f);
1856 json_object_add_value_int(percentile_object,
c0a6be6c 1857 buf,
66347cfa
DE		 1858 percentiles[i]);
1859 }
1860
1861 states = json_create_object();
1862 json_object_add_value_object(block, "states", states);
1863 for (state = 0; state < BLOCK_STATE_COUNT; state++) {
1864 json_object_add_value_int(states,
1865 block_state_names[state],
1866 block_state_counts[state]);
1867 }
1868 free(percentiles);
1869 }
1870 }
1871
bb49c8bd 1872 if (ts->ss_dur) {
ba8fb6f6
VF		 1873 struct json_object *data;
1874 struct json_array *iops, *bw;
a43f4461 1875 int j, k, l;
6da94b07 1876 char ss_buf[64];
90e678ba 1877 int intervals = ts->ss_dur / (ss_check_interval / 1000L);
16e56d25 1878
6da94b07 1879 snprintf(ss_buf, sizeof(ss_buf), "%s%s:%f%s",
c8caba48
JA		 1880 ts->ss_state & FIO_SS_IOPS ? "iops" : "bw",
1881 ts->ss_state & FIO_SS_SLOPE ? "_slope" : "",
bb49c8bd 1882 (float) ts->ss_limit.u.f,
c8caba48 1883 ts->ss_state & FIO_SS_PCT ? "%" : "");
16e56d25
VF		 1884
1885 tmp = json_create_object();
1886 json_object_add_value_object(root, "steadystate", tmp);
6da94b07 1887 json_object_add_value_string(tmp, "ss", ss_buf);
bb49c8bd 1888 json_object_add_value_int(tmp, "duration", (int)ts->ss_dur);
c8caba48 1889 json_object_add_value_int(tmp, "attained", (ts->ss_state & FIO_SS_ATTAINED) > 0);
6da94b07 1890
bb49c8bd 1891 snprintf(ss_buf, sizeof(ss_buf), "%f%s", (float) ts->ss_criterion.u.f,
c8caba48 1892 ts->ss_state & FIO_SS_PCT ? "%" : "");
6da94b07 1893 json_object_add_value_string(tmp, "criterion", ss_buf);
bb49c8bd
VF		 1894 json_object_add_value_float(tmp, "max_deviation", ts->ss_deviation.u.f);
1895 json_object_add_value_float(tmp, "slope", ts->ss_slope.u.f);
ba8fb6f6
VF		 1896
1897 data = json_create_object();
1898 json_object_add_value_object(tmp, "data", data);
1899 bw = json_create_array();
1900 iops = json_create_array();
412c7d91
VF		 1901
1902 /*
1903 ** if ss was attained or the buffer is not full,
1904 ** ss->head points to the first element in the list.
1905 ** otherwise it actually points to the second element
1906 ** in the list
1907 */
c8caba48 1908 if ((ts->ss_state & FIO_SS_ATTAINED) || !(ts->ss_state & FIO_SS_BUFFER_FULL))
bb49c8bd 1909 j = ts->ss_head;
412c7d91 1910 else
90e678ba
CL		 1911 j = ts->ss_head == 0 ? intervals - 1 : ts->ss_head - 1;
1912 for (l = 0; l < intervals; l++) {
1913 k = (j + l) % intervals;
bb49c8bd
VF		 1914 json_array_add_value_int(bw, ts->ss_bw_data[k]);
1915 json_array_add_value_int(iops, ts->ss_iops_data[k]);
16e56d25 1916 }
bb49c8bd
VF		 1917 json_object_add_value_int(data, "bw_mean", steadystate_bw_mean(ts));
1918 json_object_add_value_int(data, "iops_mean", steadystate_iops_mean(ts));
6da94b07
VF		 1919 json_object_add_value_array(data, "iops", iops);
1920 json_object_add_value_array(data, "bw", bw);
16e56d25
VF		 1921 }
1922
cc372b17
SL		 1923 return root;
1924}
1925
4d658652 1926static void show_thread_status_terse(struct thread_stat *ts,
a666cab8
JA		 1927 struct group_run_stats *rs,
1928 struct buf_output *out)
4d658652 1929{
a2c95580 1930 if (terse_version >= 2 && terse_version <= 5)
bef2112b 1931 show_thread_status_terse_all(ts, rs, terse_version, out);
4d658652
JA		 1932 else
1933 log_err("fio: bad terse version!? %d\n", terse_version);
1934}
1935
952b05e0 1936struct json_object *show_thread_status(struct thread_stat *ts,
a666cab8 1937 struct group_run_stats *rs,
0279b880 1938 struct flist_head *opt_list,
a666cab8 1939 struct buf_output *out)
952b05e0 1940{
129fb2d4
JA		 1941 struct json_object *ret = NULL;
1942
1943 if (output_format & FIO_OUTPUT_TERSE)
a666cab8 1944 show_thread_status_terse(ts, rs, out);
129fb2d4 1945 if (output_format & FIO_OUTPUT_JSON)
0279b880 1946 ret = show_thread_status_json(ts, rs, opt_list);
129fb2d4 1947 if (output_format & FIO_OUTPUT_NORMAL)
a666cab8 1948 show_thread_status_normal(ts, rs, out);
129fb2d4
JA		 1949
1950 return ret;
952b05e0
CF		 1951}
1952
70750d6a 1953static void __sum_stat(struct io_stat *dst, struct io_stat *src, bool first)
756867bd
JA		 1954{
1955 double mean, S;
1956
1957 dst->min_val = min(dst->min_val, src->min_val);
1958 dst->max_val = max(dst->max_val, src->max_val);
756867bd
JA		 1959
1960 /*
cdcac5cf
YH		 1961 * Compute new mean and S after the merge
1962 * <http://en.wikipedia.org/wiki/Algorithms_for_calculating_variance
1963 * #Parallel_algorithm>
756867bd 1964 */
fd595830 1965 if (first) {
802ad4a8
JA		 1966 mean = src->mean.u.f;
1967 S = src->S.u.f;
756867bd 1968 } else {
802ad4a8 1969 double delta = src->mean.u.f - dst->mean.u.f;
cdcac5cf 1970
802ad4a8
JA		 1971 mean = ((src->mean.u.f * src->samples) +
1972 (dst->mean.u.f * dst->samples)) /
cdcac5cf
YH		 1973 (dst->samples + src->samples);
1974
802ad4a8 1975 S = src->S.u.f + dst->S.u.f + pow(delta, 2.0) *
cdcac5cf
YH		 1976 (dst->samples * src->samples) /
1977 (dst->samples + src->samples);
756867bd
JA		 1978 }
1979
cdcac5cf 1980 dst->samples += src->samples;
802ad4a8
JA		 1981 dst->mean.u.f = mean;
1982 dst->S.u.f = S;
70750d6a
JA		 1983
1984}
1985
1986/*
1987 * We sum two kinds of stats - one that is time based, in which case we
1988 * apply the proper summing technique, and then one that is iops/bw
1989 * numbers. For group_reporting, we should just add those up, not make
1990 * them the mean of everything.
1991 */
016869be 1992static void sum_stat(struct io_stat *dst, struct io_stat *src, bool pure_sum)
70750d6a 1993{
016869be
NC		 1994 bool first = dst->samples == 0;
1995
70750d6a
JA		 1996 if (src->samples == 0)
1997 return;
1998
1999 if (!pure_sum) {
2000 __sum_stat(dst, src, first);
2001 return;
2002 }
2003
68afa5b5
JA		 2004 if (first) {
2005 dst->min_val = src->min_val;
2006 dst->max_val = src->max_val;
2007 dst->samples = src->samples;
2008 dst->mean.u.f = src->mean.u.f;
2009 dst->S.u.f = src->S.u.f;
2010 } else {
2011 dst->min_val += src->min_val;
2012 dst->max_val += src->max_val;
2013 dst->samples += src->samples;
2014 dst->mean.u.f += src->mean.u.f;
2015 dst->S.u.f += src->S.u.f;
2016 }
756867bd
JA		 2017}
2018
37f0c1ae
JA		 2019void sum_group_stats(struct group_run_stats *dst, struct group_run_stats *src)
2020{
2021 int i;
2022
6eaf09d6 2023 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
37f0c1ae
JA		 2024 if (dst->max_run[i] < src->max_run[i])
2025 dst->max_run[i] = src->max_run[i];
2026 if (dst->min_run[i] && dst->min_run[i] > src->min_run[i])
2027 dst->min_run[i] = src->min_run[i];
2028 if (dst->max_bw[i] < src->max_bw[i])
2029 dst->max_bw[i] = src->max_bw[i];
2030 if (dst->min_bw[i] && dst->min_bw[i] > src->min_bw[i])
2031 dst->min_bw[i] = src->min_bw[i];
2032
af7f87cb 2033 dst->iobytes[i] += src->iobytes[i];
37f0c1ae
JA		 2034 dst->agg[i] += src->agg[i];
2035 }
2036
dbae1bd6
JA		 2037 if (!dst->kb_base)
2038 dst->kb_base = src->kb_base;
2039 if (!dst->unit_base)
2040 dst->unit_base = src->unit_base;
18aa1998
JF		 2041 if (!dst->sig_figs)
2042 dst->sig_figs = src->sig_figs;
37f0c1ae
JA		 2043}
2044
4ad85649
NC		 2045/*
2046 * Free the clat_prio_stat arrays allocated by alloc_clat_prio_stat_ddir().
2047 */
2048void free_clat_prio_stats(struct thread_stat *ts)
2049{
2050 enum fio_ddir ddir;
2051
e23aa817
NC		 2052 if (!ts)
2053 return;
2054
4ad85649
NC		 2055 for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++) {
2056 sfree(ts->clat_prio[ddir]);
2057 ts->clat_prio[ddir] = NULL;
2058 ts->nr_clat_prio[ddir] = 0;
2059 }
2060}
2061
2062/*
2063 * Allocate a clat_prio_stat array. The array has to be allocated/freed using
2064 * smalloc/sfree, so that it is accessible by the process/thread summing the
2065 * thread_stats.
2066 */
2067int alloc_clat_prio_stat_ddir(struct thread_stat *ts, enum fio_ddir ddir,
2068 int nr_prios)
2069{
2070 struct clat_prio_stat *clat_prio;
2071 int i;
2072
2073 clat_prio = scalloc(nr_prios, sizeof(*ts->clat_prio[ddir]));
2074 if (!clat_prio) {
2075 log_err("fio: failed to allocate ts clat data\n");
2076 return 1;
2077 }
2078
2079 for (i = 0; i < nr_prios; i++)
2080 clat_prio[i].clat_stat.min_val = ULONG_MAX;
2081
2082 ts->clat_prio[ddir] = clat_prio;
2083 ts->nr_clat_prio[ddir] = nr_prios;
2084
2085 return 0;
2086}
2087
692dec0c
NC		 2088static int grow_clat_prio_stat(struct thread_stat *dst, enum fio_ddir ddir)
2089{
2090 int curr_len = dst->nr_clat_prio[ddir];
2091 void *new_arr;
2092
2093 new_arr = scalloc(curr_len + 1, sizeof(*dst->clat_prio[ddir]));
2094 if (!new_arr) {
2095 log_err("fio: failed to grow clat prio array\n");
2096 return 1;
2097 }
2098
2099 memcpy(new_arr, dst->clat_prio[ddir],
2100 curr_len * sizeof(*dst->clat_prio[ddir]));
2101 sfree(dst->clat_prio[ddir]);
2102
2103 dst->clat_prio[ddir] = new_arr;
2104 dst->clat_prio[ddir][curr_len].clat_stat.min_val = ULONG_MAX;
2105 dst->nr_clat_prio[ddir]++;
2106
2107 return 0;
2108}
2109
2110static int find_clat_prio_index(struct thread_stat *dst, enum fio_ddir ddir,
2111 uint32_t ioprio)
2112{
2113 int i, nr_prios = dst->nr_clat_prio[ddir];
2114
2115 for (i = 0; i < nr_prios; i++) {
2116 if (dst->clat_prio[ddir][i].ioprio == ioprio)
2117 return i;
2118 }
2119
2120 return -1;
2121}
2122
2123static int alloc_or_get_clat_prio_index(struct thread_stat *dst,
2124 enum fio_ddir ddir, uint32_t ioprio,
2125 int *idx)
2126{
2127 int index = find_clat_prio_index(dst, ddir, ioprio);
2128
2129 if (index == -1) {
2130 index = dst->nr_clat_prio[ddir];
2131
2132 if (grow_clat_prio_stat(dst, ddir))
2133 return 1;
2134
2135 dst->clat_prio[ddir][index].ioprio = ioprio;
2136 }
2137
2138 *idx = index;
2139
2140 return 0;
2141}
2142
2143static int clat_prio_stats_copy(struct thread_stat *dst, struct thread_stat *src,
2144 enum fio_ddir dst_ddir, enum fio_ddir src_ddir)
2145{
2146 size_t sz = sizeof(*src->clat_prio[src_ddir]) *
2147 src->nr_clat_prio[src_ddir];
2148
2149 dst->clat_prio[dst_ddir] = smalloc(sz);
2150 if (!dst->clat_prio[dst_ddir]) {
2151 log_err("fio: failed to alloc clat prio array\n");
2152 return 1;
2153 }
2154
2155 memcpy(dst->clat_prio[dst_ddir], src->clat_prio[src_ddir], sz);
2156 dst->nr_clat_prio[dst_ddir] = src->nr_clat_prio[src_ddir];
2157
2158 return 0;
2159}
2160
2161static int clat_prio_stat_add_samples(struct thread_stat *dst,
2162 enum fio_ddir dst_ddir, uint32_t ioprio,
2163 struct io_stat *io_stat,
2164 uint64_t *io_u_plat)
2165{
2166 int i, dst_index;
2167
2168 if (!io_stat->samples)
2169 return 0;
2170
2171 if (alloc_or_get_clat_prio_index(dst, dst_ddir, ioprio, &dst_index))
2172 return 1;
2173
2174 sum_stat(&dst->clat_prio[dst_ddir][dst_index].clat_stat, io_stat,
2175 false);
2176
2177 for (i = 0; i < FIO_IO_U_PLAT_NR; i++)
2178 dst->clat_prio[dst_ddir][dst_index].io_u_plat[i] += io_u_plat[i];
2179
2180 return 0;
2181}
2182
2183static int sum_clat_prio_stats_src_single_prio(struct thread_stat *dst,
2184 struct thread_stat *src,
2185 enum fio_ddir dst_ddir,
2186 enum fio_ddir src_ddir)
2187{
2188 struct io_stat *io_stat;
2189 uint64_t *io_u_plat;
2190
2191 /*
2192 * If src ts has no clat_prio_stat array, then all I/Os were submitted
2193 * using src->ioprio. Thus, the global samples in src->clat_stat (or
2194 * src->lat_stat) can be used as the 'per prio' samples for src->ioprio.
2195 */
2196 assert(!src->clat_prio[src_ddir]);
2197 assert(src->nr_clat_prio[src_ddir] == 0);
2198
2199 if (src->lat_percentiles) {
2200 io_u_plat = src->io_u_plat[FIO_LAT][src_ddir];
2201 io_stat = &src->lat_stat[src_ddir];
2202 } else {
2203 io_u_plat = src->io_u_plat[FIO_CLAT][src_ddir];
2204 io_stat = &src->clat_stat[src_ddir];
2205 }
2206
2207 return clat_prio_stat_add_samples(dst, dst_ddir, src->ioprio, io_stat,
2208 io_u_plat);
2209}
2210
2211static int sum_clat_prio_stats_src_multi_prio(struct thread_stat *dst,
2212 struct thread_stat *src,
2213 enum fio_ddir dst_ddir,
2214 enum fio_ddir src_ddir)
2215{
2216 int i;
2217
2218 /*
2219 * If src ts has a clat_prio_stat array, then there are multiple prios
2220 * in use (i.e. src ts had cmdprio_percentage or cmdprio_bssplit set).
2221 * The samples for the default prio will exist in the src->clat_prio
2222 * array, just like the samples for any other prio.
2223 */
2224 assert(src->clat_prio[src_ddir]);
2225 assert(src->nr_clat_prio[src_ddir]);
2226
2227 /* If the dst ts doesn't yet have a clat_prio array, simply memcpy. */
2228 if (!dst->clat_prio[dst_ddir])
2229 return clat_prio_stats_copy(dst, src, dst_ddir, src_ddir);
2230
2231 /* The dst ts already has a clat_prio_array, add src stats into it. */
2232 for (i = 0; i < src->nr_clat_prio[src_ddir]; i++) {
2233 struct io_stat *io_stat = &src->clat_prio[src_ddir][i].clat_stat;
2234 uint64_t *io_u_plat = src->clat_prio[src_ddir][i].io_u_plat;
2235 uint32_t ioprio = src->clat_prio[src_ddir][i].ioprio;
2236
2237 if (clat_prio_stat_add_samples(dst, dst_ddir, ioprio, io_stat, io_u_plat))
2238 return 1;
2239 }
2240
2241 return 0;
2242}
2243
2244static int sum_clat_prio_stats(struct thread_stat *dst, struct thread_stat *src,
2245 enum fio_ddir dst_ddir, enum fio_ddir src_ddir)
2246{
2247 if (dst->disable_prio_stat)
2248 return 0;
2249
2250 if (!src->clat_prio[src_ddir])
2251 return sum_clat_prio_stats_src_single_prio(dst, src, dst_ddir,
2252 src_ddir);
2253
2254 return sum_clat_prio_stats_src_multi_prio(dst, src, dst_ddir, src_ddir);
2255}
2256
016869be 2257void sum_thread_stats(struct thread_stat *dst, struct thread_stat *src)
5b9babb7 2258{
df8781b6 2259 int k, l, m;
5b9babb7 2260
6eaf09d6 2261 for (l = 0; l < DDIR_RWDIR_CNT; l++) {
6dc75062 2262 if (dst->unified_rw_rep != UNIFIED_MIXED) {
016869be 2263 sum_stat(&dst->clat_stat[l], &src->clat_stat[l], false);
016869be
NC		 2264 sum_stat(&dst->slat_stat[l], &src->slat_stat[l], false);
2265 sum_stat(&dst->lat_stat[l], &src->lat_stat[l], false);
2266 sum_stat(&dst->bw_stat[l], &src->bw_stat[l], true);
2267 sum_stat(&dst->iops_stat[l], &src->iops_stat[l], true);
692dec0c 2268 sum_clat_prio_stats(dst, src, l, l);
771e58be
JA		 2269
2270 dst->io_bytes[l] += src->io_bytes[l];
2271
2272 if (dst->runtime[l] < src->runtime[l])
2273 dst->runtime[l] = src->runtime[l];
2274 } else {
016869be 2275 sum_stat(&dst->clat_stat[0], &src->clat_stat[l], false);
016869be
NC		 2276 sum_stat(&dst->slat_stat[0], &src->slat_stat[l], false);
2277 sum_stat(&dst->lat_stat[0], &src->lat_stat[l], false);
2278 sum_stat(&dst->bw_stat[0], &src->bw_stat[l], true);
2279 sum_stat(&dst->iops_stat[0], &src->iops_stat[l], true);
692dec0c 2280 sum_clat_prio_stats(dst, src, 0, l);
771e58be
JA		 2281
2282 dst->io_bytes[0] += src->io_bytes[l];
2283
2284 if (dst->runtime[0] < src->runtime[l])
2285 dst->runtime[0] = src->runtime[l];
2286 }
5b9babb7
JA		 2287 }
2288
016869be 2289 sum_stat(&dst->sync_stat, &src->sync_stat, false);
5b9babb7
JA		 2290 dst->usr_time += src->usr_time;
2291 dst->sys_time += src->sys_time;
2292 dst->ctx += src->ctx;
2293 dst->majf += src->majf;
2294 dst->minf += src->minf;
2295
b2b3eefe 2296 for (k = 0; k < FIO_IO_U_MAP_NR; k++) {
5b9babb7 2297 dst->io_u_map[k] += src->io_u_map[k];
5b9babb7 2298 dst->io_u_submit[k] += src->io_u_submit[k];
5b9babb7 2299 dst->io_u_complete[k] += src->io_u_complete[k];
b2b3eefe 2300 }
bf14b39e
VF		 2301
2302 for (k = 0; k < FIO_IO_U_LAT_N_NR; k++)
d6bb626e 2303 dst->io_u_lat_n[k] += src->io_u_lat_n[k];
bf14b39e 2304 for (k = 0; k < FIO_IO_U_LAT_U_NR; k++)
5b9babb7 2305 dst->io_u_lat_u[k] += src->io_u_lat_u[k];
bf14b39e 2306 for (k = 0; k < FIO_IO_U_LAT_M_NR; k++)
5b9babb7 2307 dst->io_u_lat_m[k] += src->io_u_lat_m[k];
bf14b39e 2308
6eaf09d6 2309 for (k = 0; k < DDIR_RWDIR_CNT; k++) {
6dc75062 2310 if (dst->unified_rw_rep != UNIFIED_MIXED) {
771e58be
JA		 2311 dst->total_io_u[k] += src->total_io_u[k];
2312 dst->short_io_u[k] += src->short_io_u[k];
3bcb9d94 2313 dst->drop_io_u[k] += src->drop_io_u[k];
771e58be
JA		 2314 } else {
2315 dst->total_io_u[0] += src->total_io_u[k];
2316 dst->short_io_u[0] += src->short_io_u[k];
3bcb9d94 2317 dst->drop_io_u[0] += src->drop_io_u[k];
771e58be 2318 }
5b9babb7
JA		 2319 }
2320
7f3ecee2
JA		 2321 dst->total_io_u[DDIR_SYNC] += src->total_io_u[DDIR_SYNC];
2322
df8781b6
VF		 2323 for (k = 0; k < FIO_LAT_CNT; k++)
2324 for (l = 0; l < DDIR_RWDIR_CNT; l++)
2325 for (m = 0; m < FIO_IO_U_PLAT_NR; m++)
6dc75062 2326 if (dst->unified_rw_rep != UNIFIED_MIXED)
df8781b6
VF		 2327 dst->io_u_plat[k][l][m] += src->io_u_plat[k][l][m];
2328 else
2329 dst->io_u_plat[k][0][m] += src->io_u_plat[k][l][m];
771e58be 2330
df8781b6
VF		 2331 for (k = 0; k < FIO_IO_U_PLAT_NR; k++)
2332 dst->io_u_sync_plat[k] += src->io_u_sync_plat[k];
2333
5b9babb7
JA		 2334 dst->total_run_time += src->total_run_time;
2335 dst->total_submit += src->total_submit;
2336 dst->total_complete += src->total_complete;
fd5d733f 2337 dst->nr_zone_resets += src->nr_zone_resets;
96563db9
JA		 2338 dst->cachehit += src->cachehit;
2339 dst->cachemiss += src->cachemiss;
5b9babb7
JA		 2340}
2341
37f0c1ae
JA		 2342void init_group_run_stat(struct group_run_stats *gs)
2343{
6eaf09d6 2344 int i;
37f0c1ae 2345 memset(gs, 0, sizeof(*gs));
6eaf09d6
SL		 2346
2347 for (i = 0; i < DDIR_RWDIR_CNT; i++)
2348 gs->min_bw[i] = gs->min_run[i] = ~0UL;
37f0c1ae
JA		 2349}
2350
6619fc32 2351void init_thread_stat_min_vals(struct thread_stat *ts)
37f0c1ae 2352{
6619fc32
NC		 2353 int i;
2354
2355 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
2356 ts->clat_stat[i].min_val = ULONG_MAX;
2357 ts->slat_stat[i].min_val = ULONG_MAX;
2358 ts->lat_stat[i].min_val = ULONG_MAX;
2359 ts->bw_stat[i].min_val = ULONG_MAX;
2360 ts->iops_stat[i].min_val = ULONG_MAX;
6619fc32
NC		 2361 }
2362 ts->sync_stat.min_val = ULONG_MAX;
2363}
37f0c1ae 2364
6619fc32
NC		 2365void init_thread_stat(struct thread_stat *ts)
2366{
37f0c1ae
JA		 2367 memset(ts, 0, sizeof(*ts));
2368
6619fc32 2369 init_thread_stat_min_vals(ts);
37f0c1ae
JA		 2370 ts->groupid = -1;
2371}
2372
691310e2
NC		 2373static void init_per_prio_stats(struct thread_stat *threadstats, int nr_ts)
2374{
691310e2
NC		 2375 struct thread_stat *ts;
2376 int i, j, last_ts, idx;
2377 enum fio_ddir ddir;
2378
2379 j = 0;
2380 last_ts = -1;
2381 idx = 0;
2382
2383 /*
2384 * Loop through all tds, if a td requires per prio stats, temporarily
2385 * store a 1 in ts->disable_prio_stat, and then do an additional
2386 * loop at the end where we invert the ts->disable_prio_stat values.
2387 */
da8f124f 2388 for_each_td(td) {
691310e2
NC		 2389 if (!td->o.stats)
2390 continue;
2391 if (idx &&
2392 (!td->o.group_reporting ||
2393 (td->o.group_reporting && last_ts != td->groupid))) {
2394 idx = 0;
2395 j++;
2396 }
2397
2398 last_ts = td->groupid;
2399 ts = &threadstats[j];
2400
2401 /* idx == 0 means first td in group, or td is not in a group. */
2402 if (idx == 0)
2403 ts->ioprio = td->ioprio;
2404 else if (td->ioprio != ts->ioprio)
2405 ts->disable_prio_stat = 1;
2406
2407 for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++) {
2408 if (td->ts.clat_prio[ddir]) {
2409 ts->disable_prio_stat = 1;
2410 break;
2411 }
2412 }
2413
2414 idx++;
da8f124f 2415 } end_for_each();
691310e2
NC		 2416
2417 /* Loop through all dst threadstats and fixup the values. */
2418 for (i = 0; i < nr_ts; i++) {
2419 ts = &threadstats[i];
2420 ts->disable_prio_stat = !ts->disable_prio_stat;
2421 }
2422}
2423
83f7b64e 2424void __show_run_stats(void)
3c39a379
JA		 2425{
2426 struct group_run_stats *runstats, *rs;
756867bd 2427 struct thread_stat *threadstats, *ts;
4da24b69 2428 int i, j, k, nr_ts, last_ts, idx;
8985b491
JA		 2429 bool kb_base_warned = false;
2430 bool unit_base_warned = false;
cc372b17
SL		 2431 struct json_object *root = NULL;
2432 struct json_array *array = NULL;
a666cab8 2433 struct buf_output output[FIO_OUTPUT_NR];
66e19a38 2434 struct flist_head **opt_lists;
a666cab8 2435
3c39a379
JA		 2436 runstats = malloc(sizeof(struct group_run_stats) * (groupid + 1));
2437
37f0c1ae
JA		 2438 for (i = 0; i < groupid + 1; i++)
2439 init_group_run_stat(&runstats[i]);
3c39a379 2440
756867bd
JA		 2441 /*
2442 * find out how many threads stats we need. if group reporting isn't
2443 * enabled, it's one-per-td.
2444 */
2445 nr_ts = 0;
2446 last_ts = -1;
da8f124f 2447 for_each_td(td) {
2dc1bbeb 2448 if (!td->o.group_reporting) {
756867bd
JA		 2449 nr_ts++;
2450 continue;
2451 }
2452 if (last_ts == td->groupid)
2453 continue;
8243be59
JA		 2454 if (!td->o.stats)
2455 continue;
756867bd
JA		 2456
2457 last_ts = td->groupid;
2458 nr_ts++;
da8f124f 2459 } end_for_each();
756867bd
JA		 2460
2461 threadstats = malloc(nr_ts * sizeof(struct thread_stat));
66e19a38 2462 opt_lists = malloc(nr_ts * sizeof(struct flist_head *));
756867bd 2463
66e19a38 2464 for (i = 0; i < nr_ts; i++) {
37f0c1ae 2465 init_thread_stat(&threadstats[i]);
66e19a38
JA		 2466 opt_lists[i] = NULL;
2467 }
756867bd 2468
691310e2
NC		 2469 init_per_prio_stats(threadstats, nr_ts);
2470
756867bd
JA		 2471 j = 0;
2472 last_ts = -1;
197574e4 2473 idx = 0;
da8f124f 2474 for_each_td(td) {
8243be59
JA		 2475 if (!td->o.stats)
2476 continue;
2dc1bbeb
JA		 2477 if (idx && (!td->o.group_reporting ||
2478 (td->o.group_reporting && last_ts != td->groupid))) {
7abd0e3a
JA		 2479 idx = 0;
2480 j++;
2481 }
2482
2483 last_ts = td->groupid;
2484
756867bd
JA		 2485 ts = &threadstats[j];
2486
83349190 2487 ts->clat_percentiles = td->o.clat_percentiles;
b599759b 2488 ts->lat_percentiles = td->o.lat_percentiles;
56440e63 2489 ts->slat_percentiles = td->o.slat_percentiles;
435d195a 2490 ts->percentile_precision = td->o.percentile_precision;
fd112d34 2491 memcpy(ts->percentile_list, td->o.percentile_list, sizeof(td->o.percentile_list));
66e19a38 2492 opt_lists[j] = &td->opt_list;
83349190 2493
197574e4 2494 idx++;
756867bd 2495
7abd0e3a 2496 if (ts->groupid == -1) {
2dc84ba7
JA		 2497 /*
2498 * These are per-group shared already
2499 */
36833fb0 2500 snprintf(ts->name, sizeof(ts->name), "%s", td->o.name);
a64e88da 2501 if (td->o.description)
36833fb0
BVA		 2502 snprintf(ts->description,
2503 sizeof(ts->description), "%s",
2504 td->o.description);
a64e88da 2505 else
4e59d0f3 2506 memset(ts->description, 0, FIO_JOBDESC_SIZE);
a64e88da 2507
2f122b13
JA		 2508 /*
2509 * If multiple entries in this group, this is
2510 * the first member.
2511 */
2512 ts->thread_number = td->thread_number;
756867bd 2513 ts->groupid = td->groupid;
2dc84ba7
JA		 2514
2515 /*
2516 * first pid in group, not very useful...
2517 */
756867bd 2518 ts->pid = td->pid;
90fef2d1
JA		 2519
2520 ts->kb_base = td->o.kb_base;
ad705bcb 2521 ts->unit_base = td->o.unit_base;
e883cb35 2522 ts->sig_figs = td->o.sig_figs;
771e58be 2523 ts->unified_rw_rep = td->o.unified_rw_rep;
90fef2d1
JA		 2524 } else if (ts->kb_base != td->o.kb_base && !kb_base_warned) {
2525 log_info("fio: kb_base differs for jobs in group, using"
2526 " %u as the base\n", ts->kb_base);
8985b491 2527 kb_base_warned = true;
ad705bcb
SN		 2528 } else if (ts->unit_base != td->o.unit_base && !unit_base_warned) {
2529 log_info("fio: unit_base differs for jobs in group, using"
2530 " %u as the base\n", ts->unit_base);
8985b491 2531 unit_base_warned = true;
2dc84ba7
JA		 2532 }
2533
f2bba182
RR		 2534 ts->continue_on_error = td->o.continue_on_error;
2535 ts->total_err_count += td->total_err_count;
2536 ts->first_error = td->first_error;
2537 if (!ts->error) {
2538 if (!td->error && td->o.continue_on_error &&
2539 td->first_error) {
2540 ts->error = td->first_error;
36833fb0
BVA		 2541 snprintf(ts->verror, sizeof(ts->verror), "%s",
2542 td->verror);
f2bba182
RR		 2543 } else if (td->error) {
2544 ts->error = td->error;
36833fb0
BVA		 2545 snprintf(ts->verror, sizeof(ts->verror), "%s",
2546 td->verror);
f2bba182 2547 }
756867bd
JA		 2548 }
2549
3e260a46
JA		 2550 ts->latency_depth = td->latency_qd;
2551 ts->latency_target = td->o.latency_target;
2552 ts->latency_percentile = td->o.latency_percentile;
2553 ts->latency_window = td->o.latency_window;
2554
0e4dd95c 2555 ts->nr_block_infos = td->ts.nr_block_infos;
4da24b69
JA		 2556 for (k = 0; k < ts->nr_block_infos; k++)
2557 ts->block_infos[k] = td->ts.block_infos[k];
0e4dd95c 2558
016869be 2559 sum_thread_stats(ts, &td->ts);
16e56d25 2560
a381c018
NC		 2561 ts->members++;
2562
bb49c8bd
VF		 2563 if (td->o.ss_dur) {
2564 ts->ss_state = td->ss.state;
2565 ts->ss_dur = td->ss.dur;
2566 ts->ss_head = td->ss.head;
bb49c8bd
VF		 2567 ts->ss_bw_data = td->ss.bw_data;
2568 ts->ss_iops_data = td->ss.iops_data;
2569 ts->ss_limit.u.f = td->ss.limit;
2570 ts->ss_slope.u.f = td->ss.slope;
2571 ts->ss_deviation.u.f = td->ss.deviation;
2572 ts->ss_criterion.u.f = td->ss.criterion;
2573 }
16e56d25 2574 else
bb49c8bd 2575 ts->ss_dur = ts->ss_state = 0;
da8f124f 2576 } end_for_each();
756867bd
JA		 2577
2578 for (i = 0; i < nr_ts; i++) {
94370ac4 2579 unsigned long long bw;
3c39a379 2580
756867bd 2581 ts = &threadstats[i];
dedb88eb
JA		 2582 if (ts->groupid == -1)
2583 continue;
756867bd 2584 rs = &runstats[ts->groupid];
90fef2d1 2585 rs->kb_base = ts->kb_base;
ad705bcb 2586 rs->unit_base = ts->unit_base;
e883cb35 2587 rs->sig_figs = ts->sig_figs;
5cb8a8cd 2588 rs->unified_rw_rep |= ts->unified_rw_rep;
3c39a379 2589
6eaf09d6 2590 for (j = 0; j < DDIR_RWDIR_CNT; j++) {
94370ac4
JA		 2591 if (!ts->runtime[j])
2592 continue;
2593 if (ts->runtime[j] < rs->min_run[j] || !rs->min_run[j])
2594 rs->min_run[j] = ts->runtime[j];
2595 if (ts->runtime[j] > rs->max_run[j])
2596 rs->max_run[j] = ts->runtime[j];
2597
2598 bw = 0;
af7f87cb
RE		 2599 if (ts->runtime[j])
2600 bw = ts->io_bytes[j] * 1000 / ts->runtime[j];
94370ac4
JA		 2601 if (bw < rs->min_bw[j])
2602 rs->min_bw[j] = bw;
2603 if (bw > rs->max_bw[j])
2604 rs->max_bw[j] = bw;
2605
af7f87cb 2606 rs->iobytes[j] += ts->io_bytes[j];
94370ac4 2607 }
3c39a379
JA		 2608 }
2609
2610 for (i = 0; i < groupid + 1; i++) {
2e545522 2611 enum fio_ddir ddir;
6eaf09d6 2612
3c39a379
JA		 2613 rs = &runstats[i];
2614
6eaf09d6
SL		 2615 for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++) {
2616 if (rs->max_run[ddir])
af7f87cb 2617 rs->agg[ddir] = (rs->iobytes[ddir] * 1000) /
6eaf09d6
SL		 2618 rs->max_run[ddir];
2619 }
3c39a379
JA		 2620 }
2621
a666cab8 2622 for (i = 0; i < FIO_OUTPUT_NR; i++)
e250c0a9 2623 buf_output_init(&output[i]);
a666cab8 2624
3c39a379
JA		 2625 /*
2626 * don't overwrite last signal output
2627 */
129fb2d4 2628 if (output_format & FIO_OUTPUT_NORMAL)
a666cab8 2629 log_buf(&output[__FIO_OUTPUT_NORMAL], "\n");
129fb2d4 2630 if (output_format & FIO_OUTPUT_JSON) {
66e19a38 2631 struct thread_data *global;
35326842 2632 char time_buf[32];
aa7d2ef0
RH		 2633 struct timeval now;
2634 unsigned long long ms_since_epoch;
afd74e2a 2635 time_t tv_sec;
91e53870 2636
aa7d2ef0
RH		 2637 gettimeofday(&now, NULL);
2638 ms_since_epoch = (unsigned long long)(now.tv_sec) * 1000 +
2639 (unsigned long long)(now.tv_usec) / 1000;
2640
afd74e2a
BVA		 2641 tv_sec = now.tv_sec;
2642 os_ctime_r(&tv_sec, time_buf, sizeof(time_buf));
1d272416
JA		 2643 if (time_buf[strlen(time_buf) - 1] == '\n')
2644 time_buf[strlen(time_buf) - 1] = '\0';
91e53870 2645
cc372b17
SL		 2646 root = json_create_object();
2647 json_object_add_value_string(root, "fio version", fio_version_string);
aa7d2ef0
RH		 2648 json_object_add_value_int(root, "timestamp", now.tv_sec);
2649 json_object_add_value_int(root, "timestamp_ms", ms_since_epoch);
91e53870 2650 json_object_add_value_string(root, "time", time_buf);
66e19a38 2651 global = get_global_options();
0cf542af 2652 json_add_job_opts(root, "global options", &global->opt_list);
cc372b17
SL		 2653 array = json_create_array();
2654 json_object_add_value_array(root, "jobs", array);
2655 }
3c39a379 2656
0279b880
JA		 2657 if (is_backend)
2658 fio_server_send_job_options(&get_global_options()->opt_list, -1U);
2659
756867bd
JA		 2660 for (i = 0; i < nr_ts; i++) {
2661 ts = &threadstats[i];
2662 rs = &runstats[ts->groupid];
3c39a379 2663
0279b880
JA		 2664 if (is_backend) {
2665 fio_server_send_job_options(opt_lists[i], i);
a64e88da 2666 fio_server_send_ts(ts, rs);
0279b880 2667 } else {
129fb2d4 2668 if (output_format & FIO_OUTPUT_TERSE)
a666cab8 2669 show_thread_status_terse(ts, rs, &output[__FIO_OUTPUT_TERSE]);
129fb2d4 2670 if (output_format & FIO_OUTPUT_JSON) {
66e19a38 2671 struct json_object *tmp = show_thread_status_json(ts, rs, opt_lists[i]);
129fb2d4
JA		 2672 json_array_add_value_object(array, tmp);
2673 }
2674 if (output_format & FIO_OUTPUT_NORMAL)
a666cab8 2675 show_thread_status_normal(ts, rs, &output[__FIO_OUTPUT_NORMAL]);
129fb2d4 2676 }
3c39a379 2677 }
ab34ddd1 2678 if (!is_backend && (output_format & FIO_OUTPUT_JSON)) {
cc372b17 2679 /* disk util stats, if any */
a666cab8 2680 show_disk_util(1, root, &output[__FIO_OUTPUT_JSON]);
cc372b17 2681
a666cab8 2682 show_idle_prof_stats(FIO_OUTPUT_JSON, root, &output[__FIO_OUTPUT_JSON]);
f2a2ce0e 2683
a666cab8
JA		 2684 json_print_object(root, &output[__FIO_OUTPUT_JSON]);
2685 log_buf(&output[__FIO_OUTPUT_JSON], "\n");
cc372b17
SL		 2686 json_free_object(root);
2687 }
3c39a379 2688
72c27ff8
JA		 2689 for (i = 0; i < groupid + 1; i++) {
2690 rs = &runstats[i];
3c39a379 2691
72c27ff8 2692 rs->groupid = i;
d09a64a0 2693 if (is_backend)
72c27ff8 2694 fio_server_send_gs(rs);
129fb2d4 2695 else if (output_format & FIO_OUTPUT_NORMAL)
a666cab8 2696 show_group_stats(rs, &output[__FIO_OUTPUT_NORMAL]);
c6ae0a5b 2697 }
eecf272f 2698
72c27ff8
JA		 2699 if (is_backend)
2700 fio_server_send_du();
129fb2d4 2701 else if (output_format & FIO_OUTPUT_NORMAL) {
a666cab8
JA		 2702 show_disk_util(0, NULL, &output[__FIO_OUTPUT_NORMAL]);
2703 show_idle_prof_stats(FIO_OUTPUT_NORMAL, NULL, &output[__FIO_OUTPUT_NORMAL]);
60904003 2704 }
f2a2ce0e 2705
3d57c0e9 2706 for (i = 0; i < FIO_OUTPUT_NR; i++) {
3dc3aa41 2707 struct buf_output *out = &output[i];
8dd0eca3 2708
3dc3aa41 2709 log_info_buf(out->buf, out->buflen);
3dc3aa41 2710 buf_output_free(out);
3d57c0e9 2711 }
2b8c71b0 2712
7ceefc09
FS		 2713 fio_idle_prof_cleanup();
2714
fdd5f15f 2715 log_info_flush();
eecf272f 2716 free(runstats);
692dec0c
NC		 2717
2718 /* free arrays allocated by sum_thread_stats(), if any */
2719 for (i = 0; i < nr_ts; i++) {
2720 ts = &threadstats[i];
2721 free_clat_prio_stats(ts);
2722 }
756867bd 2723 free(threadstats);
66e19a38 2724 free(opt_lists);
3c39a379
JA		 2725}
2726
966f8ef9 2727int __show_running_run_stats(void)
b852e7cf 2728{
b852e7cf 2729 unsigned long long *rt;
8b6a404c 2730 struct timespec ts;
b852e7cf 2731
971caeb1 2732 fio_sem_down(stat_sem);
90811930 2733
b852e7cf 2734 rt = malloc(thread_number * sizeof(unsigned long long));
8b6a404c 2735 fio_gettime(&ts, NULL);
b852e7cf 2736
da8f124f 2737 for_each_td(td) {
61850e56
KM		 2738 if (td->runstate >= TD_EXITED)
2739 continue;
2740
c97f1ad6 2741 td->update_rusage = 1;
dde39f8c
AD		 2742 for_each_rw_ddir(ddir) {
2743 td->ts.io_bytes[ddir] = td->io_bytes[ddir];
2744 }
8b6a404c 2745 td->ts.total_run_time = mtime_since(&td->epoch, &ts);
6c041a88 2746
da8f124f 2747 rt[__td_index] = mtime_since(&td->start, &ts);
6c041a88 2748 if (td_read(td) && td->ts.io_bytes[DDIR_READ])
da8f124f 2749 td->ts.runtime[DDIR_READ] += rt[__td_index];
6c041a88 2750 if (td_write(td) && td->ts.io_bytes[DDIR_WRITE])
da8f124f 2751 td->ts.runtime[DDIR_WRITE] += rt[__td_index];
6c041a88 2752 if (td_trim(td) && td->ts.io_bytes[DDIR_TRIM])
da8f124f
H		 2753 td->ts.runtime[DDIR_TRIM] += rt[__td_index];
2754 } end_for_each();
b852e7cf 2755
da8f124f 2756 for_each_td(td) {
fda2cfac
JA		 2757 if (td->runstate >= TD_EXITED)
2758 continue;
c97f1ad6
JA		 2759 if (td->rusage_sem) {
2760 td->update_rusage = 1;
971caeb1 2761 fio_sem_down(td->rusage_sem);
c97f1ad6
JA		 2762 }
2763 td->update_rusage = 0;
da8f124f 2764 } end_for_each();
c97f1ad6 2765
cef9175e 2766 __show_run_stats();
b852e7cf 2767
da8f124f 2768 for_each_td(td) {
61850e56
KM		 2769 if (td->runstate >= TD_EXITED)
2770 continue;
2771
6c041a88 2772 if (td_read(td) && td->ts.io_bytes[DDIR_READ])
da8f124f 2773 td->ts.runtime[DDIR_READ] -= rt[__td_index];
6c041a88 2774 if (td_write(td) && td->ts.io_bytes[DDIR_WRITE])
da8f124f 2775 td->ts.runtime[DDIR_WRITE] -= rt[__td_index];
6c041a88 2776 if (td_trim(td) && td->ts.io_bytes[DDIR_TRIM])
da8f124f
H		 2777 td->ts.runtime[DDIR_TRIM] -= rt[__td_index];
2778 } end_for_each();
b852e7cf
JA		 2779
2780 free(rt);
971caeb1 2781 fio_sem_up(stat_sem);
966f8ef9
BVA		 2782
2783 return 0;
b852e7cf
JA		 2784}
2785
8985b491 2786static bool status_file_disabled;
06464907 2787
dac45f23 2788#define FIO_STATUS_FILE "fio-dump-status"
06464907
JA		 2789
2790static int check_status_file(void)
2791{
2792 struct stat sb;
a0bafb7d
BC		 2793 const char *temp_dir;
2794 char fio_status_file_path[PATH_MAX];
06464907 2795
77d99675
JA		 2796 if (status_file_disabled)
2797 return 0;
2798
a0bafb7d 2799 temp_dir = getenv("TMPDIR");
48b16e27 2800 if (temp_dir == NULL) {
a0bafb7d 2801 temp_dir = getenv("TEMP");
48b16e27
JA		 2802 if (temp_dir && strlen(temp_dir) >= PATH_MAX)
2803 temp_dir = NULL;
2804 }
a0bafb7d
BC		 2805 if (temp_dir == NULL)
2806 temp_dir = "/tmp";
3544731c
BVA		 2807#ifdef __COVERITY__
2808 __coverity_tainted_data_sanitize__(temp_dir);
2809#endif
a0bafb7d
BC		 2810
2811 snprintf(fio_status_file_path, sizeof(fio_status_file_path), "%s/%s", temp_dir, FIO_STATUS_FILE);
2812
2813 if (stat(fio_status_file_path, &sb))
06464907
JA		 2814 return 0;
2815
77d99675
JA		 2816 if (unlink(fio_status_file_path) < 0) {
2817 log_err("fio: failed to unlink %s: %s\n", fio_status_file_path,
2818 strerror(errno));
2819 log_err("fio: disabling status file updates\n");
8985b491 2820 status_file_disabled = true;
77d99675
JA		 2821 }
2822
06464907
JA		 2823 return 1;
2824}
2825
2826void check_for_running_stats(void)
2827{
06464907
JA		 2828 if (check_status_file()) {
2829 show_running_run_stats();
2830 return;
2831 }
2832}
2833
d6bb626e 2834static inline void add_stat_sample(struct io_stat *is, unsigned long long data)
3c39a379 2835{
68704084 2836 double val = data;
6660cc67 2837 double delta;
68704084
JA		 2838
2839 if (data > is->max_val)
2840 is->max_val = data;
2841 if (data < is->min_val)
2842 is->min_val = data;
2843
802ad4a8 2844 delta = val - is->mean.u.f;
ef11d737 2845 if (delta) {
802ad4a8
JA		 2846 is->mean.u.f += delta / (is->samples + 1.0);
2847 is->S.u.f += delta * (val - is->mean.u.f);
ef11d737 2848 }
3c39a379 2849
3c39a379
JA		 2850 is->samples++;
2851}
2852
692dec0c
NC		 2853static inline void add_stat_prio_sample(struct clat_prio_stat *clat_prio,
2854 unsigned short clat_prio_index,
2855 unsigned long long nsec)
2856{
2857 if (clat_prio)
2858 add_stat_sample(&clat_prio[clat_prio_index].clat_stat, nsec);
2859}
2860
7e419452
JA		 2861/*
2862 * Return a struct io_logs, which is added to the tail of the log
2863 * list for 'iolog'.
2864 */
2865static struct io_logs *get_new_log(struct io_log *iolog)
2866{
0a852a50 2867 size_t new_samples;
7e419452
JA		 2868 struct io_logs *cur_log;
2869
2870 /*
2871 * Cap the size at MAX_LOG_ENTRIES, so we don't keep doubling
2872 * forever
2873 */
0a852a50 2874 if (!iolog->cur_log_max) {
d7224476
AK		 2875 if (iolog->td)
2876 new_samples = iolog->td->o.log_entries;
2877 else
2878 new_samples = DEF_LOG_ENTRIES;
0a852a50 2879 } else {
7e419452
JA		 2880 new_samples = iolog->cur_log_max * 2;
2881 if (new_samples > MAX_LOG_ENTRIES)
2882 new_samples = MAX_LOG_ENTRIES;
2883 }
2884
90d2d53f 2885 cur_log = smalloc(sizeof(*cur_log));
7e419452
JA		 2886 if (cur_log) {
2887 INIT_FLIST_HEAD(&cur_log->list);
0a852a50 2888 cur_log->log = calloc(new_samples, log_entry_sz(iolog));
7e419452
JA		 2889 if (cur_log->log) {
2890 cur_log->nr_samples = 0;
2891 cur_log->max_samples = new_samples;
2892 flist_add_tail(&cur_log->list, &iolog->io_logs);
2893 iolog->cur_log_max = new_samples;
2894 return cur_log;
2895 }
90d2d53f 2896 sfree(cur_log);
7e419452
JA		 2897 }
2898
2899 return NULL;
2900}
2901
1fed2080
JA		 2902/*
2903 * Add and return a new log chunk, or return current log if big enough
2904 */
2905static struct io_logs *regrow_log(struct io_log *iolog)
7e419452
JA		 2906{
2907 struct io_logs *cur_log;
1fed2080 2908 int i;
7e419452 2909
1fed2080 2910 if (!iolog || iolog->disabled)
2ab71dc4 2911 goto disable;
7e419452 2912
1fed2080 2913 cur_log = iolog_cur_log(iolog);
a9afa45a
JA		 2914 if (!cur_log) {
2915 cur_log = get_new_log(iolog);
2916 if (!cur_log)
2917 return NULL;
2918 }
2919
7e419452
JA		 2920 if (cur_log->nr_samples < cur_log->max_samples)
2921 return cur_log;
2922
2923 /*
2924 * No room for a new sample. If we're compressing on the fly, flush
2925 * out the current chunk
2926 */
2927 if (iolog->log_gz) {
2928 if (iolog_cur_flush(iolog, cur_log)) {
2929 log_err("fio: failed flushing iolog! Will stop logging.\n");
2930 return NULL;
2931 }
2932 }
2933
2934 /*
2935 * Get a new log array, and add to our list
2936 */
2937 cur_log = get_new_log(iolog);
1fed2080
JA		 2938 if (!cur_log) {
2939 log_err("fio: failed extending iolog! Will stop logging.\n");
2940 return NULL;
2941 }
2942
2943 if (!iolog->pending || !iolog->pending->nr_samples)
80a24ba9 2944 return cur_log;
7e419452 2945
1fed2080
JA		 2946 /*
2947 * Flush pending items to new log
2948 */
2949 for (i = 0; i < iolog->pending->nr_samples; i++) {
2950 struct io_sample *src, *dst;
2951
2952 src = get_sample(iolog, iolog->pending, i);
2953 dst = get_sample(iolog, cur_log, i);
2954 memcpy(dst, src, log_entry_sz(iolog));
2955 }
0b2eef49 2956 cur_log->nr_samples = iolog->pending->nr_samples;
1fed2080
JA		 2957
2958 iolog->pending->nr_samples = 0;
2959 return cur_log;
2ab71dc4
JA		 2960disable:
2961 if (iolog)
2962 iolog->disabled = true;
2963 return NULL;
1fed2080
JA		 2964}
2965
2966void regrow_logs(struct thread_data *td)
2967{
2ab71dc4
JA		 2968 regrow_log(td->slat_log);
2969 regrow_log(td->clat_log);
1e613c9c 2970 regrow_log(td->clat_hist_log);
2ab71dc4
JA		 2971 regrow_log(td->lat_log);
2972 regrow_log(td->bw_log);
2973 regrow_log(td->iops_log);
1fed2080
JA		 2974 td->flags &= ~TD_F_REGROW_LOGS;
2975}
2976
76204de3
PM		 2977void regrow_agg_logs(void)
2978{
2979 enum fio_ddir ddir;
2980
2981 for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++)
2982 regrow_log(agg_io_log[ddir]);
2983}
2984
1fed2080
JA		 2985static struct io_logs *get_cur_log(struct io_log *iolog)
2986{
2987 struct io_logs *cur_log;
2988
2989 cur_log = iolog_cur_log(iolog);
2990 if (!cur_log) {
2991 cur_log = get_new_log(iolog);
2992 if (!cur_log)
2993 return NULL;
2994 }
2995
2996 if (cur_log->nr_samples < cur_log->max_samples)
2997 return cur_log;
2998
2999 /*
1eb467fb
JA		 3000 * Out of space. If we're in IO offload mode, or we're not doing
3001 * per unit logging (hence logging happens outside of the IO thread
3002 * as well), add a new log chunk inline. If we're doing inline
3003 * submissions, flag 'td' as needing a log regrow and we'll take
3004 * care of it on the submission side.
1fed2080 3005 */
ab5643cb 3006 if ((iolog->td && iolog->td->o.io_submit_mode == IO_MODE_OFFLOAD) ||
1eb467fb 3007 !per_unit_log(iolog))
1fed2080
JA		 3008 return regrow_log(iolog);
3009
ab5643cb
IK		 3010 if (iolog->td)
3011 iolog->td->flags |= TD_F_REGROW_LOGS;
3012 if (iolog->pending)
3013 assert(iolog->pending->nr_samples < iolog->pending->max_samples);
1fed2080 3014 return iolog->pending;
7e419452
JA		 3015}
3016
af2fde19 3017static void __add_log_sample(struct io_log *iolog, union io_sample_data data,
5fff9543 3018 enum fio_ddir ddir, unsigned long long bs,
03ec570f
DLM		 3019 unsigned long t, uint64_t offset,
3020 unsigned int priority)
3c39a379 3021{
7e419452 3022 struct io_logs *cur_log;
306ddc97 3023
3c568239
JA		 3024 if (iolog->disabled)
3025 return;
7e419452 3026 if (flist_empty(&iolog->io_logs))
8355119b 3027 iolog->avg_last[ddir] = t;
b8bc8cba 3028
7e419452
JA		 3029 cur_log = get_cur_log(iolog);
3030 if (cur_log) {
3031 struct io_sample *s;
3c39a379 3032
7e419452 3033 s = get_sample(iolog, cur_log, cur_log->nr_samples);
3c39a379 3034
af2fde19 3035 s->data = data;
d5b3cfd4 3036 s->time = t + (iolog->td ? iolog->td->alternate_epoch : 0);
7e419452
JA		 3037 io_sample_set_ddir(iolog, s, ddir);
3038 s->bs = bs;
03ec570f 3039 s->priority = priority;
ae588852 3040
7e419452
JA		 3041 if (iolog->log_offset) {
3042 struct io_sample_offset *so = (void *) s;
ae588852 3043
7e419452
JA		 3044 so->offset = offset;
3045 }
ae588852 3046
7e419452
JA		 3047 cur_log->nr_samples++;
3048 return;
ae588852
JA		 3049 }
3050
7e419452 3051 iolog->disabled = true;
3c39a379
JA		 3052}
3053
7fb28d36
JA		 3054static inline void reset_io_stat(struct io_stat *ios)
3055{
5b8f19b7
JA		 3056 ios->min_val = -1ULL;
3057 ios->max_val = ios->samples = 0;
7fb28d36
JA		 3058 ios->mean.u.f = ios->S.u.f = 0;
3059}
3060
2f045d2e
NC		 3061static inline void reset_io_u_plat(uint64_t *io_u_plat)
3062{
3063 int i;
3064
3065 for (i = 0; i < FIO_IO_U_PLAT_NR; i++)
3066 io_u_plat[i] = 0;
3067}
3068
692dec0c
NC		 3069static inline void reset_clat_prio_stats(struct thread_stat *ts)
3070{
3071 enum fio_ddir ddir;
3072 int i;
3073
3074 for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++) {
3075 if (!ts->clat_prio[ddir])
3076 continue;
3077
3078 for (i = 0; i < ts->nr_clat_prio[ddir]; i++) {
3079 reset_io_stat(&ts->clat_prio[ddir][i].clat_stat);
3080 reset_io_u_plat(ts->clat_prio[ddir][i].io_u_plat);
3081 }
3082 }
3083}
3084
6bb58215
JA		 3085void reset_io_stats(struct thread_data *td)
3086{
3087 struct thread_stat *ts = &td->ts;
2f045d2e 3088 int i, j;
6bb58215
JA		 3089
3090 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
3091 reset_io_stat(&ts->clat_stat[i]);
3092 reset_io_stat(&ts->slat_stat[i]);
3093 reset_io_stat(&ts->lat_stat[i]);
3094 reset_io_stat(&ts->bw_stat[i]);
3095 reset_io_stat(&ts->iops_stat[i]);
3096
3097 ts->io_bytes[i] = 0;
3098 ts->runtime[i] = 0;
71cb78c1
VF		 3099 ts->total_io_u[i] = 0;
3100 ts->short_io_u[i] = 0;
3101 ts->drop_io_u[i] = 0;
6bb58215
JA		 3102 }
3103
df8781b6
VF		 3104 for (i = 0; i < FIO_LAT_CNT; i++)
3105 for (j = 0; j < DDIR_RWDIR_CNT; j++)
2f045d2e 3106 reset_io_u_plat(ts->io_u_plat[i][j]);
df8781b6 3107
692dec0c
NC		 3108 reset_clat_prio_stats(ts);
3109
7f3ecee2 3110 ts->total_io_u[DDIR_SYNC] = 0;
2f045d2e 3111 reset_io_u_plat(ts->io_u_sync_plat);
7f3ecee2 3112
6bb58215
JA		 3113 for (i = 0; i < FIO_IO_U_MAP_NR; i++) {
3114 ts->io_u_map[i] = 0;
3115 ts->io_u_submit[i] = 0;
3116 ts->io_u_complete[i] = 0;
71cb78c1
VF		 3117 }
3118
d6bb626e
VF		 3119 for (i = 0; i < FIO_IO_U_LAT_N_NR; i++)
3120 ts->io_u_lat_n[i] = 0;
71cb78c1 3121 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++)
6bb58215 3122 ts->io_u_lat_u[i] = 0;
71cb78c1 3123 for (i = 0; i < FIO_IO_U_LAT_M_NR; i++)
6bb58215 3124 ts->io_u_lat_m[i] = 0;
6bb58215 3125
71cb78c1
VF		 3126 ts->total_submit = 0;
3127 ts->total_complete = 0;
fd5d733f 3128 ts->nr_zone_resets = 0;
96563db9 3129 ts->cachehit = ts->cachemiss = 0;
6bb58215
JA		 3130}
3131
d96d3bb3 3132static void __add_stat_to_log(struct io_log *iolog, enum fio_ddir ddir,
03ec570f 3133 unsigned long elapsed, bool log_max)
99007068
PO		 3134{
3135 /*
3136 * Note an entry in the log. Use the mean from the logged samples,
3137 * making sure to properly round up. Only write a log entry if we
3138 * had actual samples done.
3139 */
d96d3bb3 3140 if (iolog->avg_window[ddir].samples) {
af2fde19 3141 union io_sample_data data;
99007068 3142
e6989e10 3143 if (log_max)
af2fde19 3144 data.val = iolog->avg_window[ddir].max_val;
e6989e10 3145 else
af2fde19 3146 data.val = iolog->avg_window[ddir].mean.u.f + 0.50;
e6989e10 3147
03ec570f 3148 __add_log_sample(iolog, data, ddir, 0, elapsed, 0, 0);
99007068 3149 }
99007068 3150
d96d3bb3
JA		 3151 reset_io_stat(&iolog->avg_window[ddir]);
3152}
99007068 3153
e6989e10 3154static void _add_stat_to_log(struct io_log *iolog, unsigned long elapsed,
03ec570f 3155 bool log_max)
d96d3bb3 3156{
2e545522 3157 enum fio_ddir ddir;
99007068 3158
d96d3bb3 3159 for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++)
03ec570f 3160 __add_stat_to_log(iolog, ddir, elapsed, log_max);
99007068
PO		 3161}
3162
674456bf
JF		 3163static unsigned long add_log_sample(struct thread_data *td,
3164 struct io_log *iolog,
3165 union io_sample_data data,
5fff9543 3166 enum fio_ddir ddir, unsigned long long bs,
03ec570f 3167 uint64_t offset, unsigned int ioprio)
bb3884d8 3168{
7fb28d36 3169 unsigned long elapsed, this_window;
b8bc8cba 3170
ff58fced 3171 if (!ddir_rw(ddir))
d454a205 3172 return 0;
ff58fced 3173
b8bc8cba
JA		 3174 elapsed = mtime_since_now(&td->epoch);
3175
3176 /*
3177 * If no time averaging, just add the log sample.
3178 */
3179 if (!iolog->avg_msec) {
03ec570f
DLM		 3180 __add_log_sample(iolog, data, ddir, bs, elapsed, offset,
3181 ioprio);
d454a205 3182 return 0;
b8bc8cba
JA		 3183 }
3184
3185 /*
3186 * Add the sample. If the time period has passed, then
3187 * add that entry to the log and clear.
3188 */
af2fde19 3189 add_stat_sample(&iolog->avg_window[ddir], data.val);
b8bc8cba 3190
7fb28d36
JA		 3191 /*
3192 * If period hasn't passed, adding the above sample is all we
3193 * need to do.
3194 */
8355119b
SW		 3195 this_window = elapsed - iolog->avg_last[ddir];
3196 if (elapsed < iolog->avg_last[ddir])
3197 return iolog->avg_last[ddir] - elapsed;
f5a568cf 3198 else if (this_window < iolog->avg_msec) {
674456bf 3199 unsigned long diff = iolog->avg_msec - this_window;
d454a205 3200
b392f36d 3201 if (inline_log(iolog) || diff > LOG_MSEC_SLACK)
d454a205
JA		 3202 return diff;
3203 }
b8bc8cba 3204
03ec570f 3205 __add_stat_to_log(iolog, ddir, elapsed, td->o.log_max != 0);
b8bc8cba 3206
58a2d29d
JL		 3207 iolog->avg_last[ddir] = elapsed - (elapsed % iolog->avg_msec);
3208
d454a205 3209 return iolog->avg_msec;
99007068 3210}
6eaf09d6 3211
a47591e4 3212void finalize_logs(struct thread_data *td, bool unit_logs)
99007068
PO		 3213{
3214 unsigned long elapsed;
6eaf09d6 3215
99007068 3216 elapsed = mtime_since_now(&td->epoch);
b8bc8cba 3217
a47591e4 3218 if (td->clat_log && unit_logs)
03ec570f 3219 _add_stat_to_log(td->clat_log, elapsed, td->o.log_max != 0);
a47591e4 3220 if (td->slat_log && unit_logs)
03ec570f 3221 _add_stat_to_log(td->slat_log, elapsed, td->o.log_max != 0);
a47591e4 3222 if (td->lat_log && unit_logs)
03ec570f 3223 _add_stat_to_log(td->lat_log, elapsed, td->o.log_max != 0);
a47591e4 3224 if (td->bw_log && (unit_logs == per_unit_log(td->bw_log)))
03ec570f 3225 _add_stat_to_log(td->bw_log, elapsed, td->o.log_max != 0);
a47591e4 3226 if (td->iops_log && (unit_logs == per_unit_log(td->iops_log)))
03ec570f 3227 _add_stat_to_log(td->iops_log, elapsed, td->o.log_max != 0);
bb3884d8
JA		 3228}
3229
03ec570f
DLM		 3230void add_agg_sample(union io_sample_data data, enum fio_ddir ddir,
3231 unsigned long long bs)
bb3884d8 3232{
ff58fced 3233 struct io_log *iolog;
bb3884d8 3234
ff58fced
JA		 3235 if (!ddir_rw(ddir))
3236 return;
3237
3238 iolog = agg_io_log[ddir];
03ec570f 3239 __add_log_sample(iolog, data, ddir, bs, mtime_since_genesis(), 0, 0);
bb3884d8
JA		 3240}
3241
b2b3eefe
JA		 3242void add_sync_clat_sample(struct thread_stat *ts, unsigned long long nsec)
3243{
3244 unsigned int idx = plat_val_to_idx(nsec);
3245 assert(idx < FIO_IO_U_PLAT_NR);
3246
3247 ts->io_u_sync_plat[idx]++;
3248 add_stat_sample(&ts->sync_stat, nsec);
3249}
3250
ed7f3a07
NC		 3251static inline void add_lat_percentile_sample(struct thread_stat *ts,
3252 unsigned long long nsec,
3253 enum fio_ddir ddir,
3254 enum fio_lat lat)
83349190 3255{
d6bb626e 3256 unsigned int idx = plat_val_to_idx(nsec);
83349190
YH		 3257 assert(idx < FIO_IO_U_PLAT_NR);
3258
56440e63
VF		 3259 ts->io_u_plat[lat][ddir][idx]++;
3260}
b2a432bf 3261
692dec0c
NC		 3262static inline void
3263add_lat_percentile_prio_sample(struct thread_stat *ts, unsigned long long nsec,
3264 enum fio_ddir ddir,
3265 unsigned short clat_prio_index)
56440e63
VF		 3266{
3267 unsigned int idx = plat_val_to_idx(nsec);
3268
692dec0c
NC		 3269 if (ts->clat_prio[ddir])
3270 ts->clat_prio[ddir][clat_prio_index].io_u_plat[idx]++;
83349190
YH		 3271}
3272
1e97cce9 3273void add_clat_sample(struct thread_data *td, enum fio_ddir ddir,
5fff9543 3274 unsigned long long nsec, unsigned long long bs,
692dec0c
NC		 3275 uint64_t offset, unsigned int ioprio,
3276 unsigned short clat_prio_index)
3c39a379 3277{
26b3a188 3278 const bool needs_lock = td_async_processing(td);
1e613c9c 3279 unsigned long elapsed, this_window;
756867bd 3280 struct thread_stat *ts = &td->ts;
1e613c9c 3281 struct io_log *iolog = td->clat_hist_log;
079ad09b 3282
26b3a188
JA		 3283 if (needs_lock)
3284 __td_io_u_lock(td);
75dc383e 3285
d6bb626e 3286 add_stat_sample(&ts->clat_stat[ddir], nsec);
3c39a379 3287
717569b1 3288 /*
692dec0c 3289 * When lat_percentiles=1 (default 0), the reported per priority
717569b1
NC		 3290 * percentiles and stats are used for describing total latency values,
3291 * even though the variable names themselves start with clat_.
3292 *
3293 * Because of the above definition, add a prio stat sample only when
3294 * lat_percentiles=0. add_lat_sample() will add the prio stat sample
3295 * when lat_percentiles=1.
3296 */
692dec0c
NC		 3297 if (!ts->lat_percentiles)
3298 add_stat_prio_sample(ts->clat_prio[ddir], clat_prio_index,
3299 nsec);
b2a432bf 3300
7b9f733a 3301 if (td->clat_log)
d6bb626e 3302 add_log_sample(td, td->clat_log, sample_val(nsec), ddir, bs,
03ec570f 3303 offset, ioprio);
83349190 3304
b2a432bf 3305 if (ts->clat_percentiles) {
717569b1
NC		 3306 /*
3307 * Because of the above definition, add a prio lat percentile
3308 * sample only when lat_percentiles=0. add_lat_sample() will add
3309 * the prio lat percentile sample when lat_percentiles=1.
3310 */
bf65f7c8
NC		 3311 add_lat_percentile_sample(ts, nsec, ddir, FIO_CLAT);
3312 if (!ts->lat_percentiles)
3313 add_lat_percentile_prio_sample(ts, nsec, ddir,
692dec0c 3314 clat_prio_index);
b2a432bf 3315 }
75dc383e 3316
1e613c9c 3317 if (iolog && iolog->hist_msec) {
93168285
JA		 3318 struct io_hist *hw = &iolog->hist_window[ddir];
3319
3320 hw->samples++;
1e613c9c 3321 elapsed = mtime_since_now(&td->epoch);
93168285 3322 if (!hw->hist_last)
1e613c9c
KC		 3323 hw->hist_last = elapsed;
3324 this_window = elapsed - hw->hist_last;
7a4e480d 3325
1e613c9c 3326 if (this_window >= iolog->hist_msec) {
6cc0e5aa 3327 uint64_t *io_u_plat;
65a4d15c 3328 struct io_u_plat_entry *dst;
93168285 3329
1e613c9c 3330 /*
93168285
JA		 3331 * Make a byte-for-byte copy of the latency histogram
3332 * stored in td->ts.io_u_plat[ddir], recording it in a
3333 * log sample. Note that the matching call to free() is
3334 * located in iolog.c after printing this sample to the
3335 * log file.
1e613c9c 3336 */
df8781b6 3337 io_u_plat = (uint64_t *) td->ts.io_u_plat[FIO_CLAT][ddir];
65a4d15c
KC		 3338 dst = malloc(sizeof(struct io_u_plat_entry));
3339 memcpy(&(dst->io_u_plat), io_u_plat,
1fb9250b 3340 FIO_IO_U_PLAT_NR * sizeof(uint64_t));
d730bc58 3341 flist_add(&dst->list, &hw->list);
af2fde19 3342 __add_log_sample(iolog, sample_plat(dst), ddir, bs,
03ec570f 3343 elapsed, offset, ioprio);
1e613c9c
KC		 3344
3345 /*
93168285
JA		 3346 * Update the last time we recorded as being now, minus
3347 * any drift in time we encountered before actually
3348 * making the record.
1e613c9c
KC		 3349 */
3350 hw->hist_last = elapsed - (this_window - iolog->hist_msec);
3351 hw->samples = 0;
3352 }
3353 }
3354
26b3a188
JA		 3355 if (needs_lock)
3356 __td_io_u_unlock(td);
3c39a379
JA		 3357}
3358
1e97cce9 3359void add_slat_sample(struct thread_data *td, enum fio_ddir ddir,
03ec570f
DLM		 3360 unsigned long long nsec, unsigned long long bs,
3361 uint64_t offset, unsigned int ioprio)
3c39a379 3362{
26b3a188 3363 const bool needs_lock = td_async_processing(td);
756867bd 3364 struct thread_stat *ts = &td->ts;
079ad09b 3365
ff58fced
JA		 3366 if (!ddir_rw(ddir))
3367 return;
3368
26b3a188
JA		 3369 if (needs_lock)
3370 __td_io_u_lock(td);
75dc383e 3371
56440e63 3372 add_stat_sample(&ts->slat_stat[ddir], nsec);
3c39a379 3373
7b9f733a 3374 if (td->slat_log)
03ec570f
DLM		 3375 add_log_sample(td, td->slat_log, sample_val(nsec), ddir, bs,
3376 offset, ioprio);
75dc383e 3377
56440e63 3378 if (ts->slat_percentiles)
3dd92a75 3379 add_lat_percentile_sample(ts, nsec, ddir, FIO_SLAT);
56440e63 3380
26b3a188
JA		 3381 if (needs_lock)
3382 __td_io_u_unlock(td);
3c39a379
JA		 3383}
3384
02af0988 3385void add_lat_sample(struct thread_data *td, enum fio_ddir ddir,
5fff9543 3386 unsigned long long nsec, unsigned long long bs,
692dec0c
NC		 3387 uint64_t offset, unsigned int ioprio,
3388 unsigned short clat_prio_index)
02af0988 3389{
26b3a188 3390 const bool needs_lock = td_async_processing(td);
02af0988
JA		 3391 struct thread_stat *ts = &td->ts;
3392
ff58fced
JA		 3393 if (!ddir_rw(ddir))
3394 return;
3395
26b3a188
JA		 3396 if (needs_lock)
3397 __td_io_u_lock(td);
75dc383e 3398
d6bb626e 3399 add_stat_sample(&ts->lat_stat[ddir], nsec);
02af0988 3400
7b9f733a 3401 if (td->lat_log)
d6bb626e 3402 add_log_sample(td, td->lat_log, sample_val(nsec), ddir, bs,
03ec570f 3403 offset, ioprio);
75dc383e 3404
717569b1 3405 /*
692dec0c 3406 * When lat_percentiles=1 (default 0), the reported per priority
717569b1
NC		 3407 * percentiles and stats are used for describing total latency values,
3408 * even though the variable names themselves start with clat_.
3409 *
3410 * Because of the above definition, add a prio stat and prio lat
3411 * percentile sample only when lat_percentiles=1. add_clat_sample() will
3412 * add the prio stat and prio lat percentile sample when
3413 * lat_percentiles=0.
3414 */
38ec5c51 3415 if (ts->lat_percentiles) {
bf65f7c8 3416 add_lat_percentile_sample(ts, nsec, ddir, FIO_LAT);
692dec0c
NC		 3417 add_lat_percentile_prio_sample(ts, nsec, ddir, clat_prio_index);
3418 add_stat_prio_sample(ts->clat_prio[ddir], clat_prio_index,
3419 nsec);
38ec5c51 3420 }
26b3a188
JA		 3421 if (needs_lock)
3422 __td_io_u_unlock(td);
02af0988
JA		 3423}
3424
a47591e4 3425void add_bw_sample(struct thread_data *td, struct io_u *io_u,
d6bb626e 3426 unsigned int bytes, unsigned long long spent)
a47591e4 3427{
26b3a188 3428 const bool needs_lock = td_async_processing(td);
a47591e4
JA		 3429 struct thread_stat *ts = &td->ts;
3430 unsigned long rate;
3431
3432 if (spent)
d6bb626e 3433 rate = (unsigned long) (bytes * 1000000ULL / spent);
a47591e4
JA		 3434 else
3435 rate = 0;
3436
26b3a188
JA		 3437 if (needs_lock)
3438 __td_io_u_lock(td);
a47591e4
JA		 3439
3440 add_stat_sample(&ts->bw_stat[io_u->ddir], rate);
3441
3442 if (td->bw_log)
af2fde19 3443 add_log_sample(td, td->bw_log, sample_val(rate), io_u->ddir,
03ec570f 3444 bytes, io_u->offset, io_u->ioprio);
a47591e4
JA		 3445
3446 td->stat_io_bytes[io_u->ddir] = td->this_io_bytes[io_u->ddir];
26b3a188
JA		 3447
3448 if (needs_lock)
3449 __td_io_u_unlock(td);
a47591e4
JA		 3450}
3451
8b6a404c
VF		 3452static int __add_samples(struct thread_data *td, struct timespec *parent_tv,
3453 struct timespec *t, unsigned int avg_time,
4843277a
JA		 3454 uint64_t *this_io_bytes, uint64_t *stat_io_bytes,
3455 struct io_stat *stat, struct io_log *log,
3456 bool is_kb)
3c39a379 3457{
26b3a188 3458 const bool needs_lock = td_async_processing(td);
ff58fced 3459 unsigned long spent, rate;
a47591e4 3460 enum fio_ddir ddir;
674456bf 3461 unsigned long next, next_log;
d454a205 3462
4843277a 3463 next_log = avg_time;
ff58fced 3464
4843277a 3465 spent = mtime_since(parent_tv, t);
58a2d29d 3466 if (spent < avg_time && avg_time - spent > LOG_MSEC_SLACK)
4843277a 3467 return avg_time - spent;
9602d8df 3468
26b3a188
JA		 3469 if (needs_lock)
3470 __td_io_u_lock(td);
a9da8ab2 3471
9602d8df 3472 /*
5daa4ebe
JC		 3473 * Compute both read and write rates for the interval.
3474 */
c1f50f76 3475 for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++) {
5daa4ebe
JC		 3476 uint64_t delta;
3477
4843277a 3478 delta = this_io_bytes[ddir] - stat_io_bytes[ddir];
5daa4ebe
JC		 3479 if (!delta)
3480 continue; /* No entries for interval */
3c39a379 3481
4843277a
JA		 3482 if (spent) {
3483 if (is_kb)
3484 rate = delta * 1000 / spent / 1024; /* KiB/s */
3485 else
3486 rate = (delta * 1000) / spent;
3487 } else
0956264f
JA		 3488 rate = 0;
3489
4843277a 3490 add_stat_sample(&stat[ddir], rate);
3c39a379 3491
37181709 3492 if (log) {
5fff9543 3493 unsigned long long bs = 0;
66b98c9f
JA		 3494
3495 if (td->o.min_bs[ddir] == td->o.max_bs[ddir])
3496 bs = td->o.min_bs[ddir];
3497
03ec570f
DLM		 3498 next = add_log_sample(td, log, sample_val(rate), ddir,
3499 bs, 0, 0);
d454a205 3500 next_log = min(next_log, next);
66b98c9f 3501 }
5daa4ebe 3502
4843277a 3503 stat_io_bytes[ddir] = this_io_bytes[ddir];
5daa4ebe 3504 }
3c39a379 3505
cdb8308d 3506 *parent_tv = *t;
a47591e4 3507
26b3a188
JA		 3508 if (needs_lock)
3509 __td_io_u_unlock(td);
a47591e4 3510
4843277a
JA		 3511 if (spent <= avg_time)
3512 next = avg_time;
306fea38 3513 else
4843277a 3514 next = avg_time - (1 + spent - avg_time);
a47591e4 3515
d454a205 3516 return min(next, next_log);
a47591e4
JA		 3517}
3518
8b6a404c 3519static int add_bw_samples(struct thread_data *td, struct timespec *t)
4843277a
JA		 3520{
3521 return __add_samples(td, &td->bw_sample_time, t, td->o.bw_avg_time,
3522 td->this_io_bytes, td->stat_io_bytes,
3523 td->ts.bw_stat, td->bw_log, true);
3524}
3525
a47591e4
JA		 3526void add_iops_sample(struct thread_data *td, struct io_u *io_u,
3527 unsigned int bytes)
3528{
26b3a188 3529 const bool needs_lock = td_async_processing(td);
a47591e4
JA		 3530 struct thread_stat *ts = &td->ts;
3531
26b3a188
JA		 3532 if (needs_lock)
3533 __td_io_u_lock(td);
a47591e4
JA		 3534
3535 add_stat_sample(&ts->iops_stat[io_u->ddir], 1);
3536
3537 if (td->iops_log)
af2fde19 3538 add_log_sample(td, td->iops_log, sample_val(1), io_u->ddir,
03ec570f 3539 bytes, io_u->offset, io_u->ioprio);
a47591e4
JA		 3540
3541 td->stat_io_blocks[io_u->ddir] = td->this_io_blocks[io_u->ddir];
26b3a188
JA		 3542
3543 if (needs_lock)
3544 __td_io_u_unlock(td);
3c39a379 3545}
c8eeb9df 3546
8b6a404c 3547static int add_iops_samples(struct thread_data *td, struct timespec *t)
c8eeb9df 3548{
4843277a
JA		 3549 return __add_samples(td, &td->iops_sample_time, t, td->o.iops_avg_time,
3550 td->this_io_blocks, td->stat_io_blocks,
3551 td->ts.iops_stat, td->iops_log, false);
a47591e4
JA		 3552}
3553
3554/*
3555 * Returns msecs to next event
3556 */
3557int calc_log_samples(void)
3558{
58a2d29d 3559 unsigned int next = ~0U, tmp = 0, next_mod = 0, log_avg_msec_min = -1U;
8b6a404c 3560 struct timespec now;
58a2d29d 3561 long elapsed_time = 0;
a47591e4
JA		 3562
3563 fio_gettime(&now, NULL);
3564
da8f124f 3565 for_each_td(td) {
58a2d29d
JL		 3566 elapsed_time = mtime_since_now(&td->epoch);
3567
8243be59
JA		 3568 if (!td->o.stats)
3569 continue;
6a89b401 3570 if (in_ramp_time(td) ||
a47591e4
JA		 3571 !(td->runstate == TD_RUNNING || td->runstate == TD_VERIFYING)) {
3572 next = min(td->o.iops_avg_time, td->o.bw_avg_time);
3573 continue;
3574 }
37181709
AH		 3575 if (!td->bw_log ||
3576 (td->bw_log && !per_unit_log(td->bw_log))) {
a47591e4 3577 tmp = add_bw_samples(td, &now);
58a2d29d
JL		 3578
3579 if (td->bw_log)
3580 log_avg_msec_min = min(log_avg_msec_min, (unsigned int)td->bw_log->avg_msec);
a47591e4 3581 }
37181709
AH		 3582 if (!td->iops_log ||
3583 (td->iops_log && !per_unit_log(td->iops_log))) {
a47591e4 3584 tmp = add_iops_samples(td, &now);
58a2d29d
JL		 3585
3586 if (td->iops_log)
3587 log_avg_msec_min = min(log_avg_msec_min, (unsigned int)td->iops_log->avg_msec);
a47591e4 3588 }
58a2d29d
JL		 3589
3590 if (tmp < next)
3591 next = tmp;
da8f124f 3592 } end_for_each();
a47591e4 3593
58a2d29d
JL		 3594 /* if log_avg_msec_min has not been changed, set it to 0 */
3595 if (log_avg_msec_min == -1U)
3596 log_avg_msec_min = 0;
3597
3598 if (log_avg_msec_min == 0)
3599 next_mod = elapsed_time;
3600 else
3601 next_mod = elapsed_time % log_avg_msec_min;
3602
3603 /* correction to keep the time on the log avg msec boundary */
3604 next = min(next, (log_avg_msec_min - next_mod));
3605
a47591e4 3606 return next == ~0U ? 0 : next;
c8eeb9df 3607}
cef9175e
JA		 3608
3609void stat_init(void)
3610{
971caeb1 3611 stat_sem = fio_sem_init(FIO_SEM_UNLOCKED);
cef9175e
JA		 3612}
3613
3614void stat_exit(void)
3615{
3616 /*
3617 * When we have the mutex, we know out-of-band access to it
3618 * have ended.
3619 */
971caeb1
BVA		 3620 fio_sem_down(stat_sem);
3621 fio_sem_remove(stat_sem);
cef9175e 3622}
b2ee7647 3623
b2ee7647
JA		 3624/*
3625 * Called from signal handler. Wake up status thread.
3626 */
3627void show_running_run_stats(void)
3628{
a47591e4 3629 helper_do_stat();
b2ee7647 3630}
66347cfa
DE		 3631
3632uint32_t *io_u_block_info(struct thread_data *td, struct io_u *io_u)
3633{
3634 /* Ignore io_u's which span multiple blocks--they will just get
3635 * inaccurate counts. */
3636 int idx = (io_u->offset - io_u->file->file_offset)
3637 / td->o.bs[DDIR_TRIM];
3638 uint32_t *info = &td->ts.block_infos[idx];
3639 assert(idx < td->ts.nr_block_infos);
3640 return info;
3641}
5c0abd5e 3642
fio - Flexible IO Tester