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Track fsync/fdatasync/sync_file_range issue count
[fio.git] / stat.c
CommitLineData
3c39a379
JA		 1#include <stdio.h>
2#include <string.h>
3#include <sys/time.h>
4#include <sys/types.h>
5c4e1dbc 5#include <sys/stat.h>
3c39a379
JA		 6#include <dirent.h>
7#include <libgen.h>
8#include <math.h>
9
10#include "fio.h"
7c9b1bce 11#include "diskutil.h"
c7c6cb4c 12#include "lib/ieee754.h"
cc372b17 13#include "json.h"
44404c5a 14#include "lib/getrusage.h"
f2a2ce0e 15#include "idletime.h"
0f38bbef 16#include "lib/pow2.h"
a666cab8 17#include "lib/output_buffer.h"
a39fb9ea 18#include "helper_thread.h"
90d2d53f 19#include "smalloc.h"
3c39a379 20
d454a205
JA		 21#define LOG_MSEC_SLACK 10
22
e5437a07 23struct fio_mutex *stat_mutex;
cef9175e 24
210dd0fc
JA		 25void clear_rusage_stat(struct thread_data *td)
26{
27 struct thread_stat *ts = &td->ts;
28
29 fio_getrusage(&td->ru_start);
30 ts->usr_time = ts->sys_time = 0;
31 ts->ctx = 0;
32 ts->minf = ts->majf = 0;
33}
34
3c39a379
JA		 35void update_rusage_stat(struct thread_data *td)
36{
756867bd 37 struct thread_stat *ts = &td->ts;
3c39a379 38
44404c5a 39 fio_getrusage(&td->ru_end);
8b6a404c 40 ts->usr_time += mtime_since_tv(&td->ru_start.ru_utime,
c8aaba19 41 &td->ru_end.ru_utime);
8b6a404c 42 ts->sys_time += mtime_since_tv(&td->ru_start.ru_stime,
c8aaba19
JA		 43 &td->ru_end.ru_stime);
44 ts->ctx += td->ru_end.ru_nvcsw + td->ru_end.ru_nivcsw
45 - (td->ru_start.ru_nvcsw + td->ru_start.ru_nivcsw);
46 ts->minf += td->ru_end.ru_minflt - td->ru_start.ru_minflt;
47 ts->majf += td->ru_end.ru_majflt - td->ru_start.ru_majflt;
5ec10eaa 48
c8aaba19 49 memcpy(&td->ru_start, &td->ru_end, sizeof(td->ru_end));
3c39a379
JA		 50}
51
83349190
YH		 52/*
53 * Given a latency, return the index of the corresponding bucket in
54 * the structure tracking percentiles.
55 *
56 * (1) find the group (and error bits) that the value (latency)
57 * belongs to by looking at its MSB. (2) find the bucket number in the
58 * group by looking at the index bits.
59 *
60 */
d6bb626e 61static unsigned int plat_val_to_idx(unsigned long long val)
83349190
YH		 62{
63 unsigned int msb, error_bits, base, offset, idx;
64
65 /* Find MSB starting from bit 0 */
66 if (val == 0)
67 msb = 0;
68 else
d6bb626e 69 msb = (sizeof(val)*8) - __builtin_clzll(val) - 1;
83349190 70
716050f2
JA		 71 /*
72 * MSB <= (FIO_IO_U_PLAT_BITS-1), cannot be rounded off. Use
73 * all bits of the sample as index
74 */
83349190
YH		 75 if (msb <= FIO_IO_U_PLAT_BITS)
76 return val;
77
78 /* Compute the number of error bits to discard*/
79 error_bits = msb - FIO_IO_U_PLAT_BITS;
80
81 /* Compute the number of buckets before the group */
82 base = (error_bits + 1) << FIO_IO_U_PLAT_BITS;
83
716050f2
JA		 84 /*
85 * Discard the error bits and apply the mask to find the
3c3ed070 86 * index for the buckets in the group
716050f2 87 */
83349190
YH		 88 offset = (FIO_IO_U_PLAT_VAL - 1) & (val >> error_bits);
89
90 /* Make sure the index does not exceed (array size - 1) */
3c3ed070 91 idx = (base + offset) < (FIO_IO_U_PLAT_NR - 1) ?
83349190
YH		 92 (base + offset) : (FIO_IO_U_PLAT_NR - 1);
93
94 return idx;
95}
96
97/*
98 * Convert the given index of the bucket array to the value
99 * represented by the bucket
100 */
129e4193 101static unsigned long long plat_idx_to_val(unsigned int idx)
83349190 102{
c8b44cfa
RL		 103 unsigned int error_bits;
104 unsigned long long k, base;
83349190
YH		 105
106 assert(idx < FIO_IO_U_PLAT_NR);
107
108 /* MSB <= (FIO_IO_U_PLAT_BITS-1), cannot be rounded off. Use
109 * all bits of the sample as index */
3c3ed070 110 if (idx < (FIO_IO_U_PLAT_VAL << 1))
83349190
YH		 111 return idx;
112
113 /* Find the group and compute the minimum value of that group */
3c3ed070 114 error_bits = (idx >> FIO_IO_U_PLAT_BITS) - 1;
c8b44cfa 115 base = ((unsigned long long) 1) << (error_bits + FIO_IO_U_PLAT_BITS);
83349190
YH		 116
117 /* Find its bucket number of the group */
118 k = idx % FIO_IO_U_PLAT_VAL;
119
120 /* Return the mean of the range of the bucket */
121 return base + ((k + 0.5) * (1 << error_bits));
122}
123
124static int double_cmp(const void *a, const void *b)
125{
802ad4a8
JA		 126 const fio_fp64_t fa = *(const fio_fp64_t *) a;
127 const fio_fp64_t fb = *(const fio_fp64_t *) b;
83349190
YH		 128 int cmp = 0;
129
802ad4a8 130 if (fa.u.f > fb.u.f)
83349190 131 cmp = 1;
802ad4a8 132 else if (fa.u.f < fb.u.f)
83349190
YH		 133 cmp = -1;
134
135 return cmp;
136}
137
d7bb1620 138unsigned int calc_clat_percentiles(unsigned int *io_u_plat, unsigned long long nr,
d6bb626e
VF		 139 fio_fp64_t *plist, unsigned long long **output,
140 unsigned long long *maxv, unsigned long long *minv)
83349190 141{
447b94e1 142 unsigned long long sum = 0;
1db92cb6
JA		 143 unsigned int len, i, j = 0;
144 unsigned int oval_len = 0;
d6bb626e 145 unsigned long long *ovals = NULL;
8985b491 146 bool is_last;
1db92cb6 147
d6bb626e 148 *minv = -1ULL;
1db92cb6 149 *maxv = 0;
83349190 150
802ad4a8
JA		 151 len = 0;
152 while (len < FIO_IO_U_LIST_MAX_LEN && plist[len].u.f != 0.0)
153 len++;
716050f2 154
351de8de 155 if (!len)
1db92cb6 156 return 0;
351de8de 157
716050f2 158 /*
802ad4a8
JA		 159 * Sort the percentile list. Note that it may already be sorted if
160 * we are using the default values, but since it's a short list this
161 * isn't a worry. Also note that this does not work for NaN values.
716050f2 162 */
802ad4a8 163 if (len > 1)
3c3ed070 164 qsort((void *)plist, len, sizeof(plist[0]), double_cmp);
83349190 165
4f6f8298
JA		 166 /*
167 * Calculate bucket values, note down max and min values
168 */
8985b491 169 is_last = false;
07511a63 170 for (i = 0; i < FIO_IO_U_PLAT_NR && !is_last; i++) {
83349190 171 sum += io_u_plat[i];
802ad4a8
JA		 172 while (sum >= (plist[j].u.f / 100.0 * nr)) {
173 assert(plist[j].u.f <= 100.0);
83349190 174
4f6f8298
JA		 175 if (j == oval_len) {
176 oval_len += 100;
d6bb626e 177 ovals = realloc(ovals, oval_len * sizeof(*ovals));
4f6f8298
JA		 178 }
179
180 ovals[j] = plat_idx_to_val(i);
1db92cb6
JA		 181 if (ovals[j] < *minv)
182 *minv = ovals[j];
183 if (ovals[j] > *maxv)
184 *maxv = ovals[j];
07511a63 185
8985b491 186 is_last = (j == len - 1) != 0;
07511a63
JA		 187 if (is_last)
188 break;
189
4f6f8298
JA		 190 j++;
191 }
192 }
83349190 193
1db92cb6
JA		 194 *output = ovals;
195 return len;
196}
197
198/*
199 * Find and display the p-th percentile of clat
200 */
d7bb1620 201static void show_clat_percentiles(unsigned int *io_u_plat, unsigned long long nr,
a666cab8 202 fio_fp64_t *plist, unsigned int precision,
b2b3eefe 203 const char *pre, struct buf_output *out)
1db92cb6 204{
d6bb626e
VF		 205 unsigned int divisor, len, i, j = 0;
206 unsigned long long minv, maxv;
207 unsigned long long *ovals;
8985b491 208 int per_line, scale_down, time_width;
8985b491 209 bool is_last;
eef02441 210 char fmt[32];
1db92cb6
JA		 211
212 len = calc_clat_percentiles(io_u_plat, nr, plist, &ovals, &maxv, &minv);
b2b3eefe 213 if (!len || !ovals)
1db92cb6
JA		 214 goto out;
215
4f6f8298 216 /*
d6bb626e
VF		 217 * We default to nsecs, but if the value range is such that we
218 * should scale down to usecs or msecs, do that.
4f6f8298 219 */
d6bb626e
VF		 220 if (minv > 2000000 && maxv > 99999999ULL) {
221 scale_down = 2;
222 divisor = 1000000;
b599759b 223 log_buf(out, " %s percentiles (msec):\n |", pre);
d6bb626e
VF		 224 } else if (minv > 2000 && maxv > 99999) {
225 scale_down = 1;
226 divisor = 1000;
b599759b 227 log_buf(out, " %s percentiles (usec):\n |", pre);
4f6f8298
JA		 228 } else {
229 scale_down = 0;
d6bb626e 230 divisor = 1;
b599759b 231 log_buf(out, " %s percentiles (nsec):\n |", pre);
4f6f8298 232 }
83349190 233
619adf9c 234
d6bb626e 235 time_width = max(5, (int) (log10(maxv / divisor) + 1));
74558486
JA		 236 snprintf(fmt, sizeof(fmt), " %%%u.%ufth=[%%%dllu]%%c", precision + 3,
237 precision, time_width);
238 /* fmt will be something like " %5.2fth=[%4llu]%c" */
d6bb626e 239 per_line = (80 - 7) / (precision + 10 + time_width);
81ab0b3a 240
d6bb626e 241 for (j = 0; j < len; j++) {
4f6f8298 242 /* for formatting */
eef02441 243 if (j != 0 && (j % per_line) == 0)
a666cab8 244 log_buf(out, " |");
83349190 245
4f6f8298 246 /* end of the list */
8985b491 247 is_last = (j == len - 1) != 0;
83349190 248
d6bb626e 249 for (i = 0; i < scale_down; i++)
4f6f8298
JA		 250 ovals[j] = (ovals[j] + 999) / 1000;
251
d6bb626e 252 log_buf(out, fmt, plist[j].u.f, ovals[j], is_last ? '\n' : ',');
4f6f8298
JA		 253
254 if (is_last)
255 break;
256
eef02441 257 if ((j % per_line) == per_line - 1) /* for formatting */
a666cab8 258 log_buf(out, "\n");
83349190 259 }
4f6f8298 260
1db92cb6 261out:
4f6f8298
JA		 262 if (ovals)
263 free(ovals);
83349190
YH		 264}
265
74558486
JA		 266bool calc_lat(struct io_stat *is, unsigned long long *min,
267 unsigned long long *max, double *mean, double *dev)
3c39a379 268{
ee0ccb79 269 double n = (double) is->samples;
3c39a379 270
ee0ccb79 271 if (n == 0)
8aa89d70 272 return false;
3c39a379
JA		 273
274 *min = is->min_val;
275 *max = is->max_val;
802ad4a8 276 *mean = is->mean.u.f;
e6d276f2 277
68704084 278 if (n > 1.0)
802ad4a8 279 *dev = sqrt(is->S.u.f / (n - 1.0));
ef9c5c40 280 else
4b43f54e 281 *dev = 0;
ef9c5c40 282
8aa89d70 283 return true;
3c39a379
JA		 284}
285
a666cab8 286void show_group_stats(struct group_run_stats *rs, struct buf_output *out)
3c39a379 287{
d694a6a7
RE		 288 char *io, *agg, *min, *max;
289 char *ioalt, *aggalt, *minalt, *maxalt;
42da5c8b 290 const char *str[] = { " READ", " WRITE" , " TRIM"};
dbe1125e
JA		 291 int i;
292
a666cab8 293 log_buf(out, "\nRun status group %d (all jobs):\n", rs->groupid);
3c39a379 294
6eaf09d6 295 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
90fef2d1
JA		 296 const int i2p = is_power_of_2(rs->kb_base);
297
dbe1125e
JA		 298 if (!rs->max_run[i])
299 continue;
300
e883cb35
JF		 301 io = num2str(rs->iobytes[i], rs->sig_figs, 1, i2p, N2S_BYTE);
302 ioalt = num2str(rs->iobytes[i], rs->sig_figs, 1, !i2p, N2S_BYTE);
303 agg = num2str(rs->agg[i], rs->sig_figs, 1, i2p, rs->unit_base);
304 aggalt = num2str(rs->agg[i], rs->sig_figs, 1, !i2p, rs->unit_base);
305 min = num2str(rs->min_bw[i], rs->sig_figs, 1, i2p, rs->unit_base);
306 minalt = num2str(rs->min_bw[i], rs->sig_figs, 1, !i2p, rs->unit_base);
307 max = num2str(rs->max_bw[i], rs->sig_figs, 1, i2p, rs->unit_base);
308 maxalt = num2str(rs->max_bw[i], rs->sig_figs, 1, !i2p, rs->unit_base);
d694a6a7 309 log_buf(out, "%s: bw=%s (%s), %s-%s (%s-%s), io=%s (%s), run=%llu-%llumsec\n",
42da5c8b 310 rs->unified_rw_rep ? " MIXED" : str[i],
d694a6a7 311 agg, aggalt, min, max, minalt, maxalt, io, ioalt,
4e0a8fa2
JA		 312 (unsigned long long) rs->min_run[i],
313 (unsigned long long) rs->max_run[i]);
dbe1125e 314
d694a6a7
RE		 315 free(io);
316 free(agg);
317 free(min);
318 free(max);
319 free(ioalt);
320 free(aggalt);
321 free(minalt);
322 free(maxalt);
dbe1125e 323 }
3c39a379
JA		 324}
325
2e33101f 326void stat_calc_dist(unsigned int *map, unsigned long total, double *io_u_dist)
2270890c
JA		 327{
328 int i;
329
330 /*
331 * Do depth distribution calculations
332 */
333 for (i = 0; i < FIO_IO_U_MAP_NR; i++) {
838bc709
JA		 334 if (total) {
335 io_u_dist[i] = (double) map[i] / (double) total;
336 io_u_dist[i] *= 100.0;
337 if (io_u_dist[i] < 0.1 && map[i])
338 io_u_dist[i] = 0.1;
339 } else
340 io_u_dist[i] = 0.0;
2270890c
JA		 341 }
342}
343
04a0feae
JA		 344static void stat_calc_lat(struct thread_stat *ts, double *dst,
345 unsigned int *src, int nr)
2270890c 346{
d79db122 347 unsigned long total = ddir_rw_sum(ts->total_io_u);
2270890c
JA		 348 int i;
349
350 /*
351 * Do latency distribution calculations
352 */
04a0feae 353 for (i = 0; i < nr; i++) {
838bc709
JA		 354 if (total) {
355 dst[i] = (double) src[i] / (double) total;
356 dst[i] *= 100.0;
357 if (dst[i] < 0.01 && src[i])
358 dst[i] = 0.01;
359 } else
360 dst[i] = 0.0;
2270890c
JA		 361 }
362}
363
247823cc
VF		 364/*
365 * To keep the terse format unaltered, add all of the ns latency
366 * buckets to the first us latency bucket
367 */
368void stat_calc_lat_nu(struct thread_stat *ts, double *io_u_lat_u)
369{
370 unsigned long ntotal = 0, total = ddir_rw_sum(ts->total_io_u);
371 int i;
372
373 stat_calc_lat(ts, io_u_lat_u, ts->io_u_lat_u, FIO_IO_U_LAT_U_NR);
374
375 for (i = 0; i < FIO_IO_U_LAT_N_NR; i++)
376 ntotal += ts->io_u_lat_n[i];
377
378 io_u_lat_u[0] += 100.0 * (double) ntotal / (double) total;
379}
380
d6bb626e
VF		 381void stat_calc_lat_n(struct thread_stat *ts, double *io_u_lat)
382{
383 stat_calc_lat(ts, io_u_lat, ts->io_u_lat_n, FIO_IO_U_LAT_N_NR);
384}
385
e5bd1347 386void stat_calc_lat_u(struct thread_stat *ts, double *io_u_lat)
04a0feae
JA		 387{
388 stat_calc_lat(ts, io_u_lat, ts->io_u_lat_u, FIO_IO_U_LAT_U_NR);
389}
390
e5bd1347 391void stat_calc_lat_m(struct thread_stat *ts, double *io_u_lat)
04a0feae
JA		 392{
393 stat_calc_lat(ts, io_u_lat, ts->io_u_lat_m, FIO_IO_U_LAT_M_NR);
394}
395
74558486
JA		 396static void display_lat(const char *name, unsigned long long min,
397 unsigned long long max, double mean, double dev,
398 struct buf_output *out)
ea2accc5 399{
d6bb626e 400 const char *base = "(nsec)";
b29ad562 401 char *minp, *maxp;
ea2accc5 402
d6bb626e 403 if (nsec_to_msec(&min, &max, &mean, &dev))
b29ad562 404 base = "(msec)";
d6bb626e
VF		 405 else if (nsec_to_usec(&min, &max, &mean, &dev))
406 base = "(usec)";
b29ad562 407
d694a6a7
RE		 408 minp = num2str(min, 6, 1, 0, N2S_NONE);
409 maxp = num2str(max, 6, 1, 0, N2S_NONE);
b29ad562 410
a666cab8 411 log_buf(out, " %s %s: min=%s, max=%s, avg=%5.02f,"
b29ad562
JA		 412 " stdev=%5.02f\n", name, base, minp, maxp, mean, dev);
413
414 free(minp);
415 free(maxp);
ea2accc5
JA		 416}
417
756867bd 418static void show_ddir_status(struct group_run_stats *rs, struct thread_stat *ts,
a666cab8 419 int ddir, struct buf_output *out)
3c39a379 420{
b2b3eefe 421 const char *str[] = { " read", "write", " trim", "sync" };
d6bb626e
VF		 422 unsigned long runt;
423 unsigned long long min, max, bw, iops;
3c39a379 424 double mean, dev;
d694a6a7 425 char *io_p, *bw_p, *bw_p_alt, *iops_p;
90fef2d1 426 int i2p;
3c39a379 427
b2b3eefe
JA		 428 if (ddir_sync(ddir)) {
429 if (calc_lat(&ts->sync_stat, &min, &max, &mean, &dev)) {
430 log_buf(out, " %s:\n", "fsync/fdatasync/sync_file_range");
431 display_lat(str[ddir], min, max, mean, dev, out);
432 show_clat_percentiles(ts->io_u_sync_plat,
433 ts->sync_stat.samples,
434 ts->percentile_list,
435 ts->percentile_precision,
436 str[ddir], out);
437 }
438 return;
439 }
440
ff58fced
JA		 441 assert(ddir_rw(ddir));
442
756867bd 443 if (!ts->runtime[ddir])
3c39a379
JA		 444 return;
445
90fef2d1 446 i2p = is_power_of_2(rs->kb_base);
8879fd15
JA		 447 runt = ts->runtime[ddir];
448
449 bw = (1000 * ts->io_bytes[ddir]) / runt;
e883cb35
JF		 450 io_p = num2str(ts->io_bytes[ddir], ts->sig_figs, 1, i2p, N2S_BYTE);
451 bw_p = num2str(bw, ts->sig_figs, 1, i2p, ts->unit_base);
452 bw_p_alt = num2str(bw, ts->sig_figs, 1, !i2p, ts->unit_base);
8879fd15 453
0aacc50c 454 iops = (1000 * (uint64_t)ts->total_io_u[ddir]) / runt;
e883cb35 455 iops_p = num2str(iops, ts->sig_figs, 1, 0, N2S_NONE);
dbe1125e 456
d694a6a7
RE		 457 log_buf(out, " %s: IOPS=%s, BW=%s (%s)(%s/%llumsec)\n",
458 rs->unified_rw_rep ? "mixed" : str[ddir],
459 iops_p, bw_p, bw_p_alt, io_p,
460 (unsigned long long) ts->runtime[ddir]);
dbe1125e
JA		 461
462 free(io_p);
463 free(bw_p);
d694a6a7 464 free(bw_p_alt);
b3605062 465 free(iops_p);
3c39a379 466
b29ad562 467 if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev))
a666cab8 468 display_lat("slat", min, max, mean, dev, out);
b29ad562 469 if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev))
a666cab8 470 display_lat("clat", min, max, mean, dev, out);
b29ad562 471 if (calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev))
a666cab8 472 display_lat(" lat", min, max, mean, dev, out);
02af0988 473
b599759b 474 if (ts->clat_percentiles || ts->lat_percentiles) {
b2b3eefe 475 const char *name = ts->clat_percentiles ? "clat" : " lat";
af1600c1
SW		 476 uint64_t samples;
477
478 if (ts->clat_percentiles)
479 samples = ts->clat_stat[ddir].samples;
480 else
481 samples = ts->lat_stat[ddir].samples;
482
83349190 483 show_clat_percentiles(ts->io_u_plat[ddir],
af1600c1 484 samples,
435d195a 485 ts->percentile_list,
b2b3eefe 486 ts->percentile_precision, name, out);
83349190 487 }
079ad09b 488 if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) {
142c7f2d 489 double p_of_agg = 100.0, fkb_base = (double)rs->kb_base;
d694a6a7
RE		 490 const char *bw_str;
491
492 if ((rs->unit_base == 1) && i2p)
493 bw_str = "Kibit";
494 else if (rs->unit_base == 1)
495 bw_str = "kbit";
496 else if (i2p)
497 bw_str = "KiB";
498 else
499 bw_str = "kB";
d686990a 500
d1707474
SW		 501 if (rs->agg[ddir]) {
502 p_of_agg = mean * 100 / (double) (rs->agg[ddir] / 1024);
503 if (p_of_agg > 100.0)
504 p_of_agg = 100.0;
505 }
506
d686990a
SN		 507 if (rs->unit_base == 1) {
508 min *= 8.0;
509 max *= 8.0;
510 mean *= 8.0;
511 dev *= 8.0;
512 }
3c39a379 513
142c7f2d
SN		 514 if (mean > fkb_base * fkb_base) {
515 min /= fkb_base;
516 max /= fkb_base;
517 mean /= fkb_base;
518 dev /= fkb_base;
d694a6a7 519 bw_str = (rs->unit_base == 1 ? "Mibit" : "MiB");
b7017e32
JA		 520 }
521
54c05828 522 log_buf(out, " bw (%5s/s): min=%5llu, max=%5llu, per=%3.2f%%, "
29eb371b 523 "avg=%5.02f, stdev=%5.02f, samples=%" PRIu64 "\n",
54c05828
AH		 524 bw_str, min, max, p_of_agg, mean, dev,
525 (&ts->bw_stat[ddir])->samples);
3c39a379 526 }
188b6016 527 if (calc_lat(&ts->iops_stat[ddir], &min, &max, &mean, &dev)) {
21ba6606 528 log_buf(out, " iops : min=%5llu, max=%5llu, "
29eb371b 529 "avg=%5.02f, stdev=%5.02f, samples=%" PRIu64 "\n",
54c05828 530 min, max, mean, dev, (&ts->iops_stat[ddir])->samples);
188b6016 531 }
3c39a379
JA		 532}
533
8985b491
JA		 534static bool show_lat(double *io_u_lat, int nr, const char **ranges,
535 const char *msg, struct buf_output *out)
04a0feae 536{
8985b491
JA		 537 bool new_line = true, shown = false;
538 int i, line = 0;
04a0feae
JA		 539
540 for (i = 0; i < nr; i++) {
541 if (io_u_lat[i] <= 0.0)
542 continue;
8985b491 543 shown = true;
04a0feae 544 if (new_line) {
4539ed73 545 if (line)
a666cab8 546 log_buf(out, "\n");
4a19fcaa 547 log_buf(out, " lat (%s) : ", msg);
8985b491 548 new_line = false;
04a0feae
JA		 549 line = 0;
550 }
551 if (line)
a666cab8
JA		 552 log_buf(out, ", ");
553 log_buf(out, "%s%3.2f%%", ranges[i], io_u_lat[i]);
04a0feae
JA		 554 line++;
555 if (line == 5)
8985b491 556 new_line = true;
04a0feae 557 }
7e1773ba
JA		 558
559 if (shown)
a666cab8 560 log_buf(out, "\n");
7e1773ba 561
8985b491 562 return true;
04a0feae
JA		 563}
564
d6bb626e
VF		 565static void show_lat_n(double *io_u_lat_n, struct buf_output *out)
566{
567 const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=",
568 "250=", "500=", "750=", "1000=", };
569
570 show_lat(io_u_lat_n, FIO_IO_U_LAT_N_NR, ranges, "nsec", out);
571}
572
a666cab8 573static void show_lat_u(double *io_u_lat_u, struct buf_output *out)
04a0feae
JA		 574{
575 const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=",
576 "250=", "500=", "750=", "1000=", };
577
a666cab8 578 show_lat(io_u_lat_u, FIO_IO_U_LAT_U_NR, ranges, "usec", out);
04a0feae
JA		 579}
580
a666cab8 581static void show_lat_m(double *io_u_lat_m, struct buf_output *out)
04a0feae
JA		 582{
583 const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=",
584 "250=", "500=", "750=", "1000=", "2000=",
585 ">=2000=", };
586
a666cab8 587 show_lat(io_u_lat_m, FIO_IO_U_LAT_M_NR, ranges, "msec", out);
04a0feae
JA		 588}
589
a666cab8 590static void show_latencies(struct thread_stat *ts, struct buf_output *out)
04a0feae 591{
d6bb626e 592 double io_u_lat_n[FIO_IO_U_LAT_N_NR];
c551f65a
JA		 593 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
594 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
595
d6bb626e 596 stat_calc_lat_n(ts, io_u_lat_n);
5a18988e
JA		 597 stat_calc_lat_u(ts, io_u_lat_u);
598 stat_calc_lat_m(ts, io_u_lat_m);
599
d6bb626e 600 show_lat_n(io_u_lat_n, out);
a666cab8
JA		 601 show_lat_u(io_u_lat_u, out);
602 show_lat_m(io_u_lat_m, out);
04a0feae
JA		 603}
604
66347cfa
DE		 605static int block_state_category(int block_state)
606{
607 switch (block_state) {
608 case BLOCK_STATE_UNINIT:
609 return 0;
610 case BLOCK_STATE_TRIMMED:
611 case BLOCK_STATE_WRITTEN:
612 return 1;
613 case BLOCK_STATE_WRITE_FAILURE:
614 case BLOCK_STATE_TRIM_FAILURE:
615 return 2;
616 default:
081c2dc3 617 /* Silence compile warning on some BSDs and have a return */
66347cfa 618 assert(0);
07ff5841 619 return -1;
66347cfa
DE		 620 }
621}
622
623static int compare_block_infos(const void *bs1, const void *bs2)
624{
625 uint32_t block1 = *(uint32_t *)bs1;
626 uint32_t block2 = *(uint32_t *)bs2;
627 int state1 = BLOCK_INFO_STATE(block1);
628 int state2 = BLOCK_INFO_STATE(block2);
629 int bscat1 = block_state_category(state1);
630 int bscat2 = block_state_category(state2);
631 int cycles1 = BLOCK_INFO_TRIMS(block1);
632 int cycles2 = BLOCK_INFO_TRIMS(block2);
633
634 if (bscat1 < bscat2)
635 return -1;
636 if (bscat1 > bscat2)
637 return 1;
638
639 if (cycles1 < cycles2)
640 return -1;
641 if (cycles1 > cycles2)
642 return 1;
643
644 if (state1 < state2)
645 return -1;
646 if (state1 > state2)
647 return 1;
648
649 assert(block1 == block2);
650 return 0;
651}
652
653static int calc_block_percentiles(int nr_block_infos, uint32_t *block_infos,
654 fio_fp64_t *plist, unsigned int **percentiles,
655 unsigned int *types)
656{
657 int len = 0;
658 int i, nr_uninit;
659
660 qsort(block_infos, nr_block_infos, sizeof(uint32_t), compare_block_infos);
661
662 while (len < FIO_IO_U_LIST_MAX_LEN && plist[len].u.f != 0.0)
663 len++;
664
665 if (!len)
666 return 0;
667
668 /*
669 * Sort the percentile list. Note that it may already be sorted if
670 * we are using the default values, but since it's a short list this
671 * isn't a worry. Also note that this does not work for NaN values.
672 */
673 if (len > 1)
674 qsort((void *)plist, len, sizeof(plist[0]), double_cmp);
675
676 nr_uninit = 0;
677 /* Start only after the uninit entries end */
678 for (nr_uninit = 0;
679 nr_uninit < nr_block_infos
680 && BLOCK_INFO_STATE(block_infos[nr_uninit]) == BLOCK_STATE_UNINIT;
681 nr_uninit ++)
682 ;
683
684 if (nr_uninit == nr_block_infos)
685 return 0;
686
687 *percentiles = calloc(len, sizeof(**percentiles));
688
689 for (i = 0; i < len; i++) {
690 int idx = (plist[i].u.f * (nr_block_infos - nr_uninit) / 100)
691 + nr_uninit;
692 (*percentiles)[i] = BLOCK_INFO_TRIMS(block_infos[idx]);
693 }
694
695 memset(types, 0, sizeof(*types) * BLOCK_STATE_COUNT);
696 for (i = 0; i < nr_block_infos; i++)
697 types[BLOCK_INFO_STATE(block_infos[i])]++;
698
699 return len;
700}
701
702static const char *block_state_names[] = {
703 [BLOCK_STATE_UNINIT] = "unwritten",
704 [BLOCK_STATE_TRIMMED] = "trimmed",
705 [BLOCK_STATE_WRITTEN] = "written",
706 [BLOCK_STATE_TRIM_FAILURE] = "trim failure",
707 [BLOCK_STATE_WRITE_FAILURE] = "write failure",
708};
709
710static void show_block_infos(int nr_block_infos, uint32_t *block_infos,
a666cab8 711 fio_fp64_t *plist, struct buf_output *out)
66347cfa
DE		 712{
713 int len, pos, i;
714 unsigned int *percentiles = NULL;
715 unsigned int block_state_counts[BLOCK_STATE_COUNT];
716
717 len = calc_block_percentiles(nr_block_infos, block_infos, plist,
718 &percentiles, block_state_counts);
719
a666cab8 720 log_buf(out, " block lifetime percentiles :\n |");
66347cfa
DE		 721 pos = 0;
722 for (i = 0; i < len; i++) {
723 uint32_t block_info = percentiles[i];
724#define LINE_LENGTH 75
725 char str[LINE_LENGTH];
726 int strln = snprintf(str, LINE_LENGTH, " %3.2fth=%u%c",
727 plist[i].u.f, block_info,
728 i == len - 1 ? '\n' : ',');
729 assert(strln < LINE_LENGTH);
730 if (pos + strln > LINE_LENGTH) {
731 pos = 0;
a666cab8 732 log_buf(out, "\n |");
66347cfa 733 }
a666cab8 734 log_buf(out, "%s", str);
66347cfa
DE		 735 pos += strln;
736#undef LINE_LENGTH
737 }
738 if (percentiles)
739 free(percentiles);
740
a666cab8 741 log_buf(out, " states :");
66347cfa 742 for (i = 0; i < BLOCK_STATE_COUNT; i++)
a666cab8 743 log_buf(out, " %s=%u%c",
66347cfa
DE		 744 block_state_names[i], block_state_counts[i],
745 i == BLOCK_STATE_COUNT - 1 ? '\n' : ',');
746}
747
d685adfb
VF		 748static void show_ss_normal(struct thread_stat *ts, struct buf_output *out)
749{
d694a6a7 750 char *p1, *p1alt, *p2;
d685adfb
VF		 751 unsigned long long bw_mean, iops_mean;
752 const int i2p = is_power_of_2(ts->kb_base);
753
0c13c969 754 if (!ts->ss_dur)
d685adfb
VF		 755 return;
756
bb49c8bd
VF		 757 bw_mean = steadystate_bw_mean(ts);
758 iops_mean = steadystate_iops_mean(ts);
d685adfb 759
e883cb35
JF		 760 p1 = num2str(bw_mean / ts->kb_base, ts->sig_figs, ts->kb_base, i2p, ts->unit_base);
761 p1alt = num2str(bw_mean / ts->kb_base, ts->sig_figs, ts->kb_base, !i2p, ts->unit_base);
762 p2 = num2str(iops_mean, ts->sig_figs, 1, 0, N2S_NONE);
d685adfb 763
d694a6a7 764 log_buf(out, " steadystate : attained=%s, bw=%s (%s), iops=%s, %s%s=%.3f%s\n",
c8caba48 765 ts->ss_state & FIO_SS_ATTAINED ? "yes" : "no",
d694a6a7 766 p1, p1alt, p2,
c8caba48
JA		 767 ts->ss_state & FIO_SS_IOPS ? "iops" : "bw",
768 ts->ss_state & FIO_SS_SLOPE ? " slope": " mean dev",
bb49c8bd 769 ts->ss_criterion.u.f,
c8caba48 770 ts->ss_state & FIO_SS_PCT ? "%" : "");
d685adfb
VF		 771
772 free(p1);
d694a6a7 773 free(p1alt);
d685adfb
VF		 774 free(p2);
775}
776
10aa136b 777static void show_thread_status_normal(struct thread_stat *ts,
a666cab8
JA		 778 struct group_run_stats *rs,
779 struct buf_output *out)
3c39a379
JA		 780{
781 double usr_cpu, sys_cpu;
69008999 782 unsigned long runtime;
71619dc2 783 double io_u_dist[FIO_IO_U_MAP_NR];
57a64324 784 time_t time_p;
35326842 785 char time_buf[32];
3c39a379 786
9966af7b 787 if (!ddir_rw_sum(ts->io_bytes) && !ddir_rw_sum(ts->total_io_u))
3c39a379 788 return;
33477b4b
JS		 789
790 memset(time_buf, 0, sizeof(time_buf));
3c39a379 791
57a64324 792 time(&time_p);
45054cbe 793 os_ctime_r((const time_t *) &time_p, time_buf, sizeof(time_buf));
57a64324 794
5ec10eaa 795 if (!ts->error) {
a666cab8 796 log_buf(out, "%s: (groupid=%d, jobs=%d): err=%2d: pid=%d: %s",
5ec10eaa 797 ts->name, ts->groupid, ts->members,
57a64324 798 ts->error, (int) ts->pid, time_buf);
5ec10eaa 799 } else {
a666cab8 800 log_buf(out, "%s: (groupid=%d, jobs=%d): err=%2d (%s): pid=%d: %s",
5ec10eaa 801 ts->name, ts->groupid, ts->members,
57a64324
JA		 802 ts->error, ts->verror, (int) ts->pid,
803 time_buf);
5ec10eaa 804 }
3c39a379 805
259e47de 806 if (strlen(ts->description))
a666cab8 807 log_buf(out, " Description : [%s]\n", ts->description);
7bdce1bd 808
756867bd 809 if (ts->io_bytes[DDIR_READ])
a666cab8 810 show_ddir_status(rs, ts, DDIR_READ, out);
756867bd 811 if (ts->io_bytes[DDIR_WRITE])
a666cab8 812 show_ddir_status(rs, ts, DDIR_WRITE, out);
6eaf09d6 813 if (ts->io_bytes[DDIR_TRIM])
a666cab8 814 show_ddir_status(rs, ts, DDIR_TRIM, out);
3c39a379 815
a666cab8 816 show_latencies(ts, out);
7e1773ba 817
b2b3eefe
JA		 818 if (ts->sync_stat.samples)
819 show_ddir_status(rs, ts, DDIR_SYNC, out);
820
756867bd 821 runtime = ts->total_run_time;
69008999 822 if (runtime) {
1e97cce9 823 double runt = (double) runtime;
3c39a379 824
756867bd
JA		 825 usr_cpu = (double) ts->usr_time * 100 / runt;
826 sys_cpu = (double) ts->sys_time * 100 / runt;
3c39a379
JA		 827 } else {
828 usr_cpu = 0;
829 sys_cpu = 0;
830 }
831
a666cab8 832 log_buf(out, " cpu : usr=%3.2f%%, sys=%3.2f%%, ctx=%llu,"
4e0a8fa2
JA		 833 " majf=%llu, minf=%llu\n", usr_cpu, sys_cpu,
834 (unsigned long long) ts->ctx,
835 (unsigned long long) ts->majf,
836 (unsigned long long) ts->minf);
71619dc2 837
d79db122 838 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
a666cab8 839 log_buf(out, " IO depths : 1=%3.1f%%, 2=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%,"
5ec10eaa
JA		 840 " 16=%3.1f%%, 32=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0],
841 io_u_dist[1], io_u_dist[2],
842 io_u_dist[3], io_u_dist[4],
843 io_u_dist[5], io_u_dist[6]);
838bc709
JA		 844
845 stat_calc_dist(ts->io_u_submit, ts->total_submit, io_u_dist);
a666cab8 846 log_buf(out, " submit : 0=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%, 16=%3.1f%%,"
838bc709
JA		 847 " 32=%3.1f%%, 64=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0],
848 io_u_dist[1], io_u_dist[2],
849 io_u_dist[3], io_u_dist[4],
850 io_u_dist[5], io_u_dist[6]);
851 stat_calc_dist(ts->io_u_complete, ts->total_complete, io_u_dist);
a666cab8 852 log_buf(out, " complete : 0=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%, 16=%3.1f%%,"
838bc709
JA		 853 " 32=%3.1f%%, 64=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0],
854 io_u_dist[1], io_u_dist[2],
855 io_u_dist[3], io_u_dist[4],
856 io_u_dist[5], io_u_dist[6]);
7f3ecee2
JA		 857 log_buf(out, " issued rwts: total=%llu,%llu,%llu,%llu"
858 " short=%llu,%llu,%llu,0"
859 " dropped=%llu,%llu,%llu,0\n",
4e0a8fa2
JA		 860 (unsigned long long) ts->total_io_u[0],
861 (unsigned long long) ts->total_io_u[1],
862 (unsigned long long) ts->total_io_u[2],
7f3ecee2 863 (unsigned long long) ts->total_io_u[3],
4e0a8fa2
JA		 864 (unsigned long long) ts->short_io_u[0],
865 (unsigned long long) ts->short_io_u[1],
3bcb9d94
JA		 866 (unsigned long long) ts->short_io_u[2],
867 (unsigned long long) ts->drop_io_u[0],
868 (unsigned long long) ts->drop_io_u[1],
869 (unsigned long long) ts->drop_io_u[2]);
f2bba182 870 if (ts->continue_on_error) {
a666cab8 871 log_buf(out, " errors : total=%llu, first_error=%d/<%s>\n",
4e0a8fa2 872 (unsigned long long)ts->total_err_count,
1ec99eea
JA		 873 ts->first_error,
874 strerror(ts->first_error));
f2bba182 875 }
3e260a46 876 if (ts->latency_depth) {
a666cab8 877 log_buf(out, " latency : target=%llu, window=%llu, percentile=%.2f%%, depth=%u\n",
3e260a46
JA		 878 (unsigned long long)ts->latency_target,
879 (unsigned long long)ts->latency_window,
880 ts->latency_percentile.u.f,
881 ts->latency_depth);
882 }
66347cfa
DE		 883
884 if (ts->nr_block_infos)
885 show_block_infos(ts->nr_block_infos, ts->block_infos,
a666cab8 886 ts->percentile_list, out);
d685adfb 887
bb49c8bd 888 if (ts->ss_dur)
d685adfb 889 show_ss_normal(ts, out);
3c39a379
JA		 890}
891
756867bd 892static void show_ddir_status_terse(struct thread_stat *ts,
a666cab8 893 struct group_run_stats *rs, int ddir,
a2c95580 894 int ver, struct buf_output *out)
c6ae0a5b 895{
d6bb626e
VF		 896 unsigned long long min, max, minv, maxv, bw, iops;
897 unsigned long long *ovals = NULL;
c6ae0a5b 898 double mean, dev;
d6bb626e 899 unsigned int len;
a2c95580 900 int i, bw_stat;
c6ae0a5b 901
ff58fced
JA		 902 assert(ddir_rw(ddir));
903
312b4af2
JA		 904 iops = bw = 0;
905 if (ts->runtime[ddir]) {
906 uint64_t runt = ts->runtime[ddir];
907
420b104a 908 bw = ((1000 * ts->io_bytes[ddir]) / runt) / 1024; /* KiB/s */
312b4af2
JA		 909 iops = (1000 * (uint64_t) ts->total_io_u[ddir]) / runt;
910 }
c6ae0a5b 911
a666cab8 912 log_buf(out, ";%llu;%llu;%llu;%llu",
4e0a8fa2
JA		 913 (unsigned long long) ts->io_bytes[ddir] >> 10, bw, iops,
914 (unsigned long long) ts->runtime[ddir]);
c6ae0a5b 915
079ad09b 916 if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev))
247823cc 917 log_buf(out, ";%llu;%llu;%f;%f", min/1000, max/1000, mean/1000, dev/1000);
c6ae0a5b 918 else
d6bb626e 919 log_buf(out, ";%llu;%llu;%f;%f", 0ULL, 0ULL, 0.0, 0.0);
c6ae0a5b 920
079ad09b 921 if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev))
247823cc 922 log_buf(out, ";%llu;%llu;%f;%f", min/1000, max/1000, mean/1000, dev/1000);
c6ae0a5b 923 else
d6bb626e 924 log_buf(out, ";%llu;%llu;%f;%f", 0ULL, 0ULL, 0.0, 0.0);
c6ae0a5b 925
b599759b 926 if (ts->clat_percentiles || ts->lat_percentiles) {
1db92cb6
JA		 927 len = calc_clat_percentiles(ts->io_u_plat[ddir],
928 ts->clat_stat[ddir].samples,
929 ts->percentile_list, &ovals, &maxv,
930 &minv);
931 } else
932 len = 0;
933
934 for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) {
935 if (i >= len) {
a666cab8 936 log_buf(out, ";0%%=0");
1db92cb6
JA		 937 continue;
938 }
247823cc 939 log_buf(out, ";%f%%=%llu", ts->percentile_list[i].u.f, ovals[i]/1000);
1db92cb6 940 }
2341a37a
K		 941
942 if (calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev))
247823cc 943 log_buf(out, ";%llu;%llu;%f;%f", min/1000, max/1000, mean/1000, dev/1000);
2341a37a 944 else
d6bb626e 945 log_buf(out, ";%llu;%llu;%f;%f", 0ULL, 0ULL, 0.0, 0.0);
2341a37a 946
1db92cb6
JA		 947 if (ovals)
948 free(ovals);
949
a2c95580
AH		 950 bw_stat = calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev);
951 if (bw_stat) {
19d3e967
JA		 952 double p_of_agg = 100.0;
953
954 if (rs->agg[ddir]) {
d1707474 955 p_of_agg = mean * 100 / (double) (rs->agg[ddir] / 1024);
19d3e967
JA		 956 if (p_of_agg > 100.0)
957 p_of_agg = 100.0;
958 }
c6ae0a5b 959
d6bb626e 960 log_buf(out, ";%llu;%llu;%f%%;%f;%f", min, max, p_of_agg, mean, dev);
c6ae0a5b 961 } else
d6bb626e 962 log_buf(out, ";%llu;%llu;%f%%;%f;%f", 0ULL, 0ULL, 0.0, 0.0, 0.0);
a2c95580
AH		 963
964 if (ver == 5) {
965 if (bw_stat)
29eb371b 966 log_buf(out, ";%" PRIu64, (&ts->bw_stat[ddir])->samples);
a2c95580
AH		 967 else
968 log_buf(out, ";%lu", 0UL);
969
970 if (calc_lat(&ts->iops_stat[ddir], &min, &max, &mean, &dev))
29eb371b 971 log_buf(out, ";%llu;%llu;%f;%f;%" PRIu64, min, max,
a2c95580
AH		 972 mean, dev, (&ts->iops_stat[ddir])->samples);
973 else
974 log_buf(out, ";%llu;%llu;%f;%f;%lu", 0ULL, 0ULL, 0.0, 0.0, 0UL);
975 }
c6ae0a5b
JA		 976}
977
cc372b17
SL		 978static void add_ddir_status_json(struct thread_stat *ts,
979 struct group_run_stats *rs, int ddir, struct json_object *parent)
980{
d6bb626e 981 unsigned long long min, max, minv, maxv;
aedd021d 982 unsigned long long bw_bytes, bw;
d6bb626e 983 unsigned long long *ovals = NULL;
9f68fe3a 984 double mean, dev, iops;
d6bb626e 985 unsigned int len;
cc372b17 986 int i;
b2b3eefe 987 const char *ddirname[] = { "read", "write", "trim", "sync" };
24cab44e 988 struct json_object *dir_object, *tmp_object, *percentile_object, *clat_bins_object = NULL;
cc372b17
SL		 989 char buf[120];
990 double p_of_agg = 100.0;
991
b2b3eefe 992 assert(ddir_rw(ddir) || ddir_sync(ddir));
cc372b17 993
771e58be
JA		 994 if (ts->unified_rw_rep && ddir != DDIR_READ)
995 return;
996
cc372b17 997 dir_object = json_create_object();
771e58be
JA		 998 json_object_add_value_object(parent,
999 ts->unified_rw_rep ? "mixed" : ddirname[ddir], dir_object);
cc372b17 1000
b2b3eefe
JA		 1001 if (ddir_rw(ddir)) {
1002 bw_bytes = 0;
1003 bw = 0;
1004 iops = 0.0;
1005 if (ts->runtime[ddir]) {
1006 uint64_t runt = ts->runtime[ddir];
cc372b17 1007
b2b3eefe
JA		 1008 bw_bytes = ((1000 * ts->io_bytes[ddir]) / runt); /* Bytes/s */
1009 bw = bw_bytes / 1024; /* KiB/s */
1010 iops = (1000.0 * (uint64_t) ts->total_io_u[ddir]) / runt;
1011 }
cc372b17 1012
b2b3eefe
JA		 1013 json_object_add_value_int(dir_object, "io_bytes", ts->io_bytes[ddir]);
1014 json_object_add_value_int(dir_object, "io_kbytes", ts->io_bytes[ddir] >> 10);
1015 json_object_add_value_int(dir_object, "bw_bytes", bw_bytes);
1016 json_object_add_value_int(dir_object, "bw", bw);
1017 json_object_add_value_float(dir_object, "iops", iops);
1018 json_object_add_value_int(dir_object, "runtime", ts->runtime[ddir]);
1019 json_object_add_value_int(dir_object, "total_ios", ts->total_io_u[ddir]);
1020 json_object_add_value_int(dir_object, "short_ios", ts->short_io_u[ddir]);
1021 json_object_add_value_int(dir_object, "drop_ios", ts->drop_io_u[ddir]);
1022
1023 if (!calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev)) {
1024 min = max = 0;
1025 mean = dev = 0.0;
1026 }
1027 tmp_object = json_create_object();
1028 json_object_add_value_object(dir_object, "slat_ns", tmp_object);
1029 json_object_add_value_int(tmp_object, "min", min);
1030 json_object_add_value_int(tmp_object, "max", max);
1031 json_object_add_value_float(tmp_object, "mean", mean);
1032 json_object_add_value_float(tmp_object, "stddev", dev);
1033
1034 if (!calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev)) {
1035 min = max = 0;
1036 mean = dev = 0.0;
1037 }
1038 tmp_object = json_create_object();
1039 json_object_add_value_object(dir_object, "clat_ns", tmp_object);
1040 json_object_add_value_int(tmp_object, "min", min);
1041 json_object_add_value_int(tmp_object, "max", max);
1042 json_object_add_value_float(tmp_object, "mean", mean);
1043 json_object_add_value_float(tmp_object, "stddev", dev);
1044 } else {
1045 if (!calc_lat(&ts->sync_stat, &min, &max, &mean, &dev)) {
1046 min = max = 0;
1047 mean = dev = 0.0;
1048 }
cc372b17 1049
b2b3eefe
JA		 1050 tmp_object = json_create_object();
1051 json_object_add_value_object(dir_object, "lat_ns", tmp_object);
1052 json_object_add_value_int(tmp_object, "min", min);
1053 json_object_add_value_int(tmp_object, "max", max);
1054 json_object_add_value_float(tmp_object, "mean", mean);
1055 json_object_add_value_float(tmp_object, "stddev", dev);
cc372b17 1056 }
cc372b17 1057
b599759b 1058 if (ts->clat_percentiles || ts->lat_percentiles) {
b2b3eefe
JA		 1059 if (ddir_rw(ddir)) {
1060 len = calc_clat_percentiles(ts->io_u_plat[ddir],
cc372b17
SL		 1061 ts->clat_stat[ddir].samples,
1062 ts->percentile_list, &ovals, &maxv,
1063 &minv);
b2b3eefe
JA		 1064 } else {
1065 len = calc_clat_percentiles(ts->io_u_sync_plat,
1066 ts->sync_stat.samples,
1067 ts->percentile_list, &ovals, &maxv,
1068 &minv);
1069 }
1070
702bd977
JA		 1071 if (len > FIO_IO_U_LIST_MAX_LEN)
1072 len = FIO_IO_U_LIST_MAX_LEN;
cc372b17
SL		 1073 } else
1074 len = 0;
1075
1076 percentile_object = json_create_object();
1077 json_object_add_value_object(tmp_object, "percentile", percentile_object);
702bd977 1078 for (i = 0; i < len; i++) {
435d195a 1079 snprintf(buf, sizeof(buf), "%f", ts->percentile_list[i].u.f);
cc372b17
SL		 1080 json_object_add_value_int(percentile_object, (const char *)buf, ovals[i]);
1081 }
1082
513e37ee
VF		 1083 if (output_format & FIO_OUTPUT_JSON_PLUS) {
1084 clat_bins_object = json_create_object();
24cab44e
VF		 1085 if (ts->clat_percentiles)
1086 json_object_add_value_object(tmp_object, "bins", clat_bins_object);
1087
513e37ee 1088 for(i = 0; i < FIO_IO_U_PLAT_NR; i++) {
b2b3eefe
JA		 1089 if (ddir_rw(ddir)) {
1090 if (ts->io_u_plat[ddir][i]) {
1091 snprintf(buf, sizeof(buf), "%llu", plat_idx_to_val(i));
1092 json_object_add_value_int(clat_bins_object, (const char *)buf, ts->io_u_plat[ddir][i]);
1093 }
1094 } else {
1095 if (ts->io_u_sync_plat[i]) {
1096 snprintf(buf, sizeof(buf), "%llu", plat_idx_to_val(i));
1097 json_object_add_value_int(clat_bins_object, (const char *)buf, ts->io_u_sync_plat[i]);
1098 }
129e4193 1099 }
513e37ee 1100 }
513e37ee
VF		 1101 }
1102
b2b3eefe
JA		 1103 if (!ddir_rw(ddir))
1104 return;
1105
cc372b17
SL		 1106 if (!calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev)) {
1107 min = max = 0;
1108 mean = dev = 0.0;
1109 }
1110 tmp_object = json_create_object();
d6bb626e 1111 json_object_add_value_object(dir_object, "lat_ns", tmp_object);
cc372b17
SL		 1112 json_object_add_value_int(tmp_object, "min", min);
1113 json_object_add_value_int(tmp_object, "max", max);
1114 json_object_add_value_float(tmp_object, "mean", mean);
1115 json_object_add_value_float(tmp_object, "stddev", dev);
24cab44e
VF		 1116 if (output_format & FIO_OUTPUT_JSON_PLUS && ts->lat_percentiles)
1117 json_object_add_value_object(tmp_object, "bins", clat_bins_object);
1118
cc372b17
SL		 1119 if (ovals)
1120 free(ovals);
1121
b9e1b491 1122 if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) {
cc372b17 1123 if (rs->agg[ddir]) {
d1707474 1124 p_of_agg = mean * 100 / (double) (rs->agg[ddir] / 1024);
cc372b17
SL		 1125 if (p_of_agg > 100.0)
1126 p_of_agg = 100.0;
1127 }
1128 } else {
1129 min = max = 0;
1130 p_of_agg = mean = dev = 0.0;
1131 }
1132 json_object_add_value_int(dir_object, "bw_min", min);
1133 json_object_add_value_int(dir_object, "bw_max", max);
a806bf2e 1134 json_object_add_value_float(dir_object, "bw_agg", p_of_agg);
cc372b17
SL		 1135 json_object_add_value_float(dir_object, "bw_mean", mean);
1136 json_object_add_value_float(dir_object, "bw_dev", dev);
54c05828
AH		 1137 json_object_add_value_int(dir_object, "bw_samples",
1138 (&ts->bw_stat[ddir])->samples);
188b6016
AH		 1139
1140 if (!calc_lat(&ts->iops_stat[ddir], &min, &max, &mean, &dev)) {
1141 min = max = 0;
1142 mean = dev = 0.0;
1143 }
1144 json_object_add_value_int(dir_object, "iops_min", min);
1145 json_object_add_value_int(dir_object, "iops_max", max);
1146 json_object_add_value_float(dir_object, "iops_mean", mean);
1147 json_object_add_value_float(dir_object, "iops_stddev", dev);
54c05828
AH		 1148 json_object_add_value_int(dir_object, "iops_samples",
1149 (&ts->iops_stat[ddir])->samples);
cc372b17
SL		 1150}
1151
bef2112b
AH		 1152static void show_thread_status_terse_all(struct thread_stat *ts,
1153 struct group_run_stats *rs, int ver,
1154 struct buf_output *out)
4d658652
JA		 1155{
1156 double io_u_dist[FIO_IO_U_MAP_NR];
1157 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
1158 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
1159 double usr_cpu, sys_cpu;
1160 int i;
1161
1162 /* General Info */
bef2112b
AH		 1163 if (ver == 2)
1164 log_buf(out, "2;%s;%d;%d", ts->name, ts->groupid, ts->error);
1165 else
1166 log_buf(out, "%d;%s;%s;%d;%d", ver, fio_version_string,
1167 ts->name, ts->groupid, ts->error);
c6ae0a5b 1168
562c2d2f 1169 /* Log Read Status */
a2c95580 1170 show_ddir_status_terse(ts, rs, DDIR_READ, ver, out);
562c2d2f 1171 /* Log Write Status */
a2c95580 1172 show_ddir_status_terse(ts, rs, DDIR_WRITE, ver, out);
6eaf09d6 1173 /* Log Trim Status */
a2c95580
AH		 1174 if (ver == 2 || ver == 4 || ver == 5)
1175 show_ddir_status_terse(ts, rs, DDIR_TRIM, ver, out);
c6ae0a5b 1176
562c2d2f 1177 /* CPU Usage */
756867bd
JA		 1178 if (ts->total_run_time) {
1179 double runt = (double) ts->total_run_time;
c6ae0a5b 1180
756867bd
JA		 1181 usr_cpu = (double) ts->usr_time * 100 / runt;
1182 sys_cpu = (double) ts->sys_time * 100 / runt;
c6ae0a5b
JA		 1183 } else {
1184 usr_cpu = 0;
1185 sys_cpu = 0;
1186 }
1187
a666cab8 1188 log_buf(out, ";%f%%;%f%%;%llu;%llu;%llu", usr_cpu, sys_cpu,
4e0a8fa2
JA		 1189 (unsigned long long) ts->ctx,
1190 (unsigned long long) ts->majf,
1191 (unsigned long long) ts->minf);
2270890c 1192
562c2d2f 1193 /* Calc % distribution of IO depths, usecond, msecond latency */
d79db122 1194 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
247823cc 1195 stat_calc_lat_nu(ts, io_u_lat_u);
04a0feae 1196 stat_calc_lat_m(ts, io_u_lat_m);
2270890c 1197
562c2d2f 1198 /* Only show fixed 7 I/O depth levels*/
a666cab8 1199 log_buf(out, ";%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%",
5ec10eaa
JA		 1200 io_u_dist[0], io_u_dist[1], io_u_dist[2], io_u_dist[3],
1201 io_u_dist[4], io_u_dist[5], io_u_dist[6]);
2270890c 1202
562c2d2f 1203 /* Microsecond latency */
04a0feae 1204 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++)
a666cab8 1205 log_buf(out, ";%3.2f%%", io_u_lat_u[i]);
562c2d2f 1206 /* Millisecond latency */
04a0feae 1207 for (i = 0; i < FIO_IO_U_LAT_M_NR; i++)
a666cab8 1208 log_buf(out, ";%3.2f%%", io_u_lat_m[i]);
f2f788dd
JA		 1209
1210 /* disk util stats, if any */
bef2112b
AH		 1211 if (ver >= 3)
1212 show_disk_util(1, NULL, out);
f2f788dd 1213
562c2d2f 1214 /* Additional output if continue_on_error set - default off*/
f2bba182 1215 if (ts->continue_on_error)
a666cab8 1216 log_buf(out, ";%llu;%d", (unsigned long long) ts->total_err_count, ts->first_error);
bef2112b
AH		 1217 if (ver == 2)
1218 log_buf(out, "\n");
2270890c 1219
562c2d2f 1220 /* Additional output if description is set */
4b0f2258 1221 if (strlen(ts->description))
a666cab8 1222 log_buf(out, ";%s", ts->description);
946e4276 1223
a666cab8 1224 log_buf(out, "\n");
756867bd
JA		 1225}
1226
a89ba4b1
JA		 1227static void json_add_job_opts(struct json_object *root, const char *name,
1228 struct flist_head *opt_list, bool num_jobs)
66e19a38
JA		 1229{
1230 struct json_object *dir_object;
1231 struct flist_head *entry;
1232 struct print_option *p;
1233
1234 if (flist_empty(opt_list))
1235 return;
1236
1237 dir_object = json_create_object();
1238 json_object_add_value_object(root, name, dir_object);
1239
1240 flist_for_each(entry, opt_list) {
1241 const char *pos = "";
1242
1243 p = flist_entry(entry, struct print_option, list);
876e1001
JA		 1244 if (!num_jobs && !strcmp(p->name, "numjobs"))
1245 continue;
66e19a38
JA		 1246 if (p->value)
1247 pos = p->value;
1248 json_object_add_value_string(dir_object, p->name, pos);
1249 }
1250}
1251
cc372b17 1252static struct json_object *show_thread_status_json(struct thread_stat *ts,
66e19a38
JA		 1253 struct group_run_stats *rs,
1254 struct flist_head *opt_list)
cc372b17
SL		 1255{
1256 struct json_object *root, *tmp;
b01af66b 1257 struct jobs_eta *je;
cc372b17 1258 double io_u_dist[FIO_IO_U_MAP_NR];
d6bb626e 1259 double io_u_lat_n[FIO_IO_U_LAT_N_NR];
cc372b17
SL		 1260 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
1261 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
1262 double usr_cpu, sys_cpu;
1263 int i;
b01af66b
CJ		 1264 size_t size;
1265
cc372b17
SL		 1266 root = json_create_object();
1267 json_object_add_value_string(root, "jobname", ts->name);
1268 json_object_add_value_int(root, "groupid", ts->groupid);
1269 json_object_add_value_int(root, "error", ts->error);
1270
b01af66b 1271 /* ETA Info */
c5103619 1272 je = get_jobs_eta(true, &size);
2de615ad
JA		 1273 if (je) {
1274 json_object_add_value_int(root, "eta", je->eta_sec);
1275 json_object_add_value_int(root, "elapsed", je->elapsed_sec);
1276 }
b01af66b 1277
66e19a38 1278 if (opt_list)
876e1001 1279 json_add_job_opts(root, "job options", opt_list, true);
66e19a38 1280
cc372b17
SL		 1281 add_ddir_status_json(ts, rs, DDIR_READ, root);
1282 add_ddir_status_json(ts, rs, DDIR_WRITE, root);
f3afa57e 1283 add_ddir_status_json(ts, rs, DDIR_TRIM, root);
b2b3eefe 1284 add_ddir_status_json(ts, rs, DDIR_SYNC, root);
cc372b17
SL		 1285
1286 /* CPU Usage */
1287 if (ts->total_run_time) {
1288 double runt = (double) ts->total_run_time;
1289
1290 usr_cpu = (double) ts->usr_time * 100 / runt;
1291 sys_cpu = (double) ts->sys_time * 100 / runt;
1292 } else {
1293 usr_cpu = 0;
1294 sys_cpu = 0;
1295 }
1296 json_object_add_value_float(root, "usr_cpu", usr_cpu);
1297 json_object_add_value_float(root, "sys_cpu", sys_cpu);
1298 json_object_add_value_int(root, "ctx", ts->ctx);
1299 json_object_add_value_int(root, "majf", ts->majf);
1300 json_object_add_value_int(root, "minf", ts->minf);
1301
1302
1303 /* Calc % distribution of IO depths, usecond, msecond latency */
d79db122 1304 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
d6bb626e 1305 stat_calc_lat_n(ts, io_u_lat_n);
cc372b17
SL		 1306 stat_calc_lat_u(ts, io_u_lat_u);
1307 stat_calc_lat_m(ts, io_u_lat_m);
1308
1309 tmp = json_create_object();
1310 json_object_add_value_object(root, "iodepth_level", tmp);
1311 /* Only show fixed 7 I/O depth levels*/
1312 for (i = 0; i < 7; i++) {
1313 char name[20];
1314 if (i < 6)
98ffb8f3 1315 snprintf(name, 20, "%d", 1 << i);
cc372b17 1316 else
98ffb8f3 1317 snprintf(name, 20, ">=%d", 1 << i);
cc372b17
SL		 1318 json_object_add_value_float(tmp, (const char *)name, io_u_dist[i]);
1319 }
1320
d6bb626e 1321 /* Nanosecond latency */
cc372b17 1322 tmp = json_create_object();
d6bb626e
VF		 1323 json_object_add_value_object(root, "latency_ns", tmp);
1324 for (i = 0; i < FIO_IO_U_LAT_N_NR; i++) {
1325 const char *ranges[] = { "2", "4", "10", "20", "50", "100",
1326 "250", "500", "750", "1000", };
1327 json_object_add_value_float(tmp, ranges[i], io_u_lat_n[i]);
1328 }
cc372b17 1329 /* Microsecond latency */
d6bb626e
VF		 1330 tmp = json_create_object();
1331 json_object_add_value_object(root, "latency_us", tmp);
cc372b17
SL		 1332 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) {
1333 const char *ranges[] = { "2", "4", "10", "20", "50", "100",
1334 "250", "500", "750", "1000", };
1335 json_object_add_value_float(tmp, ranges[i], io_u_lat_u[i]);
1336 }
1337 /* Millisecond latency */
1338 tmp = json_create_object();
1339 json_object_add_value_object(root, "latency_ms", tmp);
1340 for (i = 0; i < FIO_IO_U_LAT_M_NR; i++) {
1341 const char *ranges[] = { "2", "4", "10", "20", "50", "100",
1342 "250", "500", "750", "1000", "2000",
1343 ">=2000", };
1344 json_object_add_value_float(tmp, ranges[i], io_u_lat_m[i]);
1345 }
1346
1347 /* Additional output if continue_on_error set - default off*/
1348 if (ts->continue_on_error) {
1349 json_object_add_value_int(root, "total_err", ts->total_err_count);
952b05e0 1350 json_object_add_value_int(root, "first_error", ts->first_error);
cc372b17
SL		 1351 }
1352
3e260a46
JA		 1353 if (ts->latency_depth) {
1354 json_object_add_value_int(root, "latency_depth", ts->latency_depth);
1355 json_object_add_value_int(root, "latency_target", ts->latency_target);
1356 json_object_add_value_float(root, "latency_percentile", ts->latency_percentile.u.f);
1357 json_object_add_value_int(root, "latency_window", ts->latency_window);
1358 }
1359
cc372b17
SL		 1360 /* Additional output if description is set */
1361 if (strlen(ts->description))
1362 json_object_add_value_string(root, "desc", ts->description);
1363
66347cfa
DE		 1364 if (ts->nr_block_infos) {
1365 /* Block error histogram and types */
1366 int len;
1367 unsigned int *percentiles = NULL;
1368 unsigned int block_state_counts[BLOCK_STATE_COUNT];
1369
1370 len = calc_block_percentiles(ts->nr_block_infos, ts->block_infos,
1371 ts->percentile_list,
1372 &percentiles, block_state_counts);
1373
1374 if (len) {
1375 struct json_object *block, *percentile_object, *states;
8a68c41c 1376 int state;
66347cfa
DE		 1377 block = json_create_object();
1378 json_object_add_value_object(root, "block", block);
1379
1380 percentile_object = json_create_object();
1381 json_object_add_value_object(block, "percentiles",
1382 percentile_object);
1383 for (i = 0; i < len; i++) {
1384 char buf[20];
1385 snprintf(buf, sizeof(buf), "%f",
1386 ts->percentile_list[i].u.f);
1387 json_object_add_value_int(percentile_object,
1388 (const char *)buf,
1389 percentiles[i]);
1390 }
1391
1392 states = json_create_object();
1393 json_object_add_value_object(block, "states", states);
1394 for (state = 0; state < BLOCK_STATE_COUNT; state++) {
1395 json_object_add_value_int(states,
1396 block_state_names[state],
1397 block_state_counts[state]);
1398 }
1399 free(percentiles);
1400 }
1401 }
1402
bb49c8bd 1403 if (ts->ss_dur) {
ba8fb6f6
VF		 1404 struct json_object *data;
1405 struct json_array *iops, *bw;
412c7d91 1406 int i, j, k;
6da94b07 1407 char ss_buf[64];
16e56d25 1408
6da94b07 1409 snprintf(ss_buf, sizeof(ss_buf), "%s%s:%f%s",
c8caba48
JA		 1410 ts->ss_state & FIO_SS_IOPS ? "iops" : "bw",
1411 ts->ss_state & FIO_SS_SLOPE ? "_slope" : "",
bb49c8bd 1412 (float) ts->ss_limit.u.f,
c8caba48 1413 ts->ss_state & FIO_SS_PCT ? "%" : "");
16e56d25
VF		 1414
1415 tmp = json_create_object();
1416 json_object_add_value_object(root, "steadystate", tmp);
6da94b07 1417 json_object_add_value_string(tmp, "ss", ss_buf);
bb49c8bd 1418 json_object_add_value_int(tmp, "duration", (int)ts->ss_dur);
c8caba48 1419 json_object_add_value_int(tmp, "attained", (ts->ss_state & FIO_SS_ATTAINED) > 0);
6da94b07 1420
bb49c8bd 1421 snprintf(ss_buf, sizeof(ss_buf), "%f%s", (float) ts->ss_criterion.u.f,
c8caba48 1422 ts->ss_state & FIO_SS_PCT ? "%" : "");
6da94b07 1423 json_object_add_value_string(tmp, "criterion", ss_buf);
bb49c8bd
VF		 1424 json_object_add_value_float(tmp, "max_deviation", ts->ss_deviation.u.f);
1425 json_object_add_value_float(tmp, "slope", ts->ss_slope.u.f);
ba8fb6f6
VF		 1426
1427 data = json_create_object();
1428 json_object_add_value_object(tmp, "data", data);
1429 bw = json_create_array();
1430 iops = json_create_array();
412c7d91
VF		 1431
1432 /*
1433 ** if ss was attained or the buffer is not full,
1434 ** ss->head points to the first element in the list.
1435 ** otherwise it actually points to the second element
1436 ** in the list
1437 */
c8caba48 1438 if ((ts->ss_state & FIO_SS_ATTAINED) || !(ts->ss_state & FIO_SS_BUFFER_FULL))
bb49c8bd 1439 j = ts->ss_head;
412c7d91 1440 else
bb49c8bd
VF		 1441 j = ts->ss_head == 0 ? ts->ss_dur - 1 : ts->ss_head - 1;
1442 for (i = 0; i < ts->ss_dur; i++) {
1443 k = (j + i) % ts->ss_dur;
1444 json_array_add_value_int(bw, ts->ss_bw_data[k]);
1445 json_array_add_value_int(iops, ts->ss_iops_data[k]);
16e56d25 1446 }
bb49c8bd
VF		 1447 json_object_add_value_int(data, "bw_mean", steadystate_bw_mean(ts));
1448 json_object_add_value_int(data, "iops_mean", steadystate_iops_mean(ts));
6da94b07
VF		 1449 json_object_add_value_array(data, "iops", iops);
1450 json_object_add_value_array(data, "bw", bw);
16e56d25
VF		 1451 }
1452
cc372b17
SL		 1453 return root;
1454}
1455
4d658652 1456static void show_thread_status_terse(struct thread_stat *ts,
a666cab8
JA		 1457 struct group_run_stats *rs,
1458 struct buf_output *out)
4d658652 1459{
a2c95580 1460 if (terse_version >= 2 && terse_version <= 5)
bef2112b 1461 show_thread_status_terse_all(ts, rs, terse_version, out);
4d658652
JA		 1462 else
1463 log_err("fio: bad terse version!? %d\n", terse_version);
1464}
1465
952b05e0 1466struct json_object *show_thread_status(struct thread_stat *ts,
a666cab8 1467 struct group_run_stats *rs,
0279b880 1468 struct flist_head *opt_list,
a666cab8 1469 struct buf_output *out)
952b05e0 1470{
129fb2d4
JA		 1471 struct json_object *ret = NULL;
1472
1473 if (output_format & FIO_OUTPUT_TERSE)
a666cab8 1474 show_thread_status_terse(ts, rs, out);
129fb2d4 1475 if (output_format & FIO_OUTPUT_JSON)
0279b880 1476 ret = show_thread_status_json(ts, rs, opt_list);
129fb2d4 1477 if (output_format & FIO_OUTPUT_NORMAL)
a666cab8 1478 show_thread_status_normal(ts, rs, out);
129fb2d4
JA		 1479
1480 return ret;
952b05e0
CF		 1481}
1482
fd595830 1483static void sum_stat(struct io_stat *dst, struct io_stat *src, bool first)
756867bd
JA		 1484{
1485 double mean, S;
1486
e09231c2
ZL		 1487 if (src->samples == 0)
1488 return;
1489
756867bd
JA		 1490 dst->min_val = min(dst->min_val, src->min_val);
1491 dst->max_val = max(dst->max_val, src->max_val);
756867bd
JA		 1492
1493 /*
cdcac5cf
YH		 1494 * Compute new mean and S after the merge
1495 * <http://en.wikipedia.org/wiki/Algorithms_for_calculating_variance
1496 * #Parallel_algorithm>
756867bd 1497 */
fd595830 1498 if (first) {
802ad4a8
JA		 1499 mean = src->mean.u.f;
1500 S = src->S.u.f;
756867bd 1501 } else {
802ad4a8 1502 double delta = src->mean.u.f - dst->mean.u.f;
cdcac5cf 1503
802ad4a8
JA		 1504 mean = ((src->mean.u.f * src->samples) +
1505 (dst->mean.u.f * dst->samples)) /
cdcac5cf
YH		 1506 (dst->samples + src->samples);
1507
802ad4a8 1508 S = src->S.u.f + dst->S.u.f + pow(delta, 2.0) *
cdcac5cf
YH		 1509 (dst->samples * src->samples) /
1510 (dst->samples + src->samples);
756867bd
JA		 1511 }
1512
cdcac5cf 1513 dst->samples += src->samples;
802ad4a8
JA		 1514 dst->mean.u.f = mean;
1515 dst->S.u.f = S;
756867bd
JA		 1516}
1517
37f0c1ae
JA		 1518void sum_group_stats(struct group_run_stats *dst, struct group_run_stats *src)
1519{
1520 int i;
1521
6eaf09d6 1522 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
37f0c1ae
JA		 1523 if (dst->max_run[i] < src->max_run[i])
1524 dst->max_run[i] = src->max_run[i];
1525 if (dst->min_run[i] && dst->min_run[i] > src->min_run[i])
1526 dst->min_run[i] = src->min_run[i];
1527 if (dst->max_bw[i] < src->max_bw[i])
1528 dst->max_bw[i] = src->max_bw[i];
1529 if (dst->min_bw[i] && dst->min_bw[i] > src->min_bw[i])
1530 dst->min_bw[i] = src->min_bw[i];
1531
af7f87cb 1532 dst->iobytes[i] += src->iobytes[i];
37f0c1ae
JA		 1533 dst->agg[i] += src->agg[i];
1534 }
1535
dbae1bd6
JA		 1536 if (!dst->kb_base)
1537 dst->kb_base = src->kb_base;
1538 if (!dst->unit_base)
1539 dst->unit_base = src->unit_base;
18aa1998
JF		 1540 if (!dst->sig_figs)
1541 dst->sig_figs = src->sig_figs;
37f0c1ae
JA		 1542}
1543
fd595830
JA		 1544void sum_thread_stats(struct thread_stat *dst, struct thread_stat *src,
1545 bool first)
5b9babb7
JA		 1546{
1547 int l, k;
1548
6eaf09d6 1549 for (l = 0; l < DDIR_RWDIR_CNT; l++) {
771e58be 1550 if (!dst->unified_rw_rep) {
fd595830
JA		 1551 sum_stat(&dst->clat_stat[l], &src->clat_stat[l], first);
1552 sum_stat(&dst->slat_stat[l], &src->slat_stat[l], first);
1553 sum_stat(&dst->lat_stat[l], &src->lat_stat[l], first);
1554 sum_stat(&dst->bw_stat[l], &src->bw_stat[l], first);
188b6016 1555 sum_stat(&dst->iops_stat[l], &src->iops_stat[l], first);
771e58be
JA		 1556
1557 dst->io_bytes[l] += src->io_bytes[l];
1558
1559 if (dst->runtime[l] < src->runtime[l])
1560 dst->runtime[l] = src->runtime[l];
1561 } else {
fd595830
JA		 1562 sum_stat(&dst->clat_stat[0], &src->clat_stat[l], first);
1563 sum_stat(&dst->slat_stat[0], &src->slat_stat[l], first);
1564 sum_stat(&dst->lat_stat[0], &src->lat_stat[l], first);
1565 sum_stat(&dst->bw_stat[0], &src->bw_stat[l], first);
188b6016 1566 sum_stat(&dst->iops_stat[0], &src->iops_stat[l], first);
771e58be
JA		 1567
1568 dst->io_bytes[0] += src->io_bytes[l];
1569
1570 if (dst->runtime[0] < src->runtime[l])
1571 dst->runtime[0] = src->runtime[l];
fd595830
JA		 1572
1573 /*
1574 * We're summing to the same destination, so override
1575 * 'first' after the first iteration of the loop
1576 */
1577 first = false;
771e58be 1578 }
5b9babb7
JA		 1579 }
1580
b2b3eefe 1581 sum_stat(&dst->sync_stat, &src->sync_stat, first);
5b9babb7
JA		 1582 dst->usr_time += src->usr_time;
1583 dst->sys_time += src->sys_time;
1584 dst->ctx += src->ctx;
1585 dst->majf += src->majf;
1586 dst->minf += src->minf;
1587
b2b3eefe 1588 for (k = 0; k < FIO_IO_U_MAP_NR; k++) {
5b9babb7 1589 dst->io_u_map[k] += src->io_u_map[k];
5b9babb7 1590 dst->io_u_submit[k] += src->io_u_submit[k];
5b9babb7 1591 dst->io_u_complete[k] += src->io_u_complete[k];
b2b3eefe
JA		 1592 }
1593 for (k = 0; k < FIO_IO_U_LAT_N_NR; k++) {
d6bb626e 1594 dst->io_u_lat_n[k] += src->io_u_lat_n[k];
5b9babb7 1595 dst->io_u_lat_u[k] += src->io_u_lat_u[k];
5b9babb7 1596 dst->io_u_lat_m[k] += src->io_u_lat_m[k];
b2b3eefe
JA		 1597 }
1598 for (k = 0; k < FIO_IO_U_PLAT_NR; k++)
1599 dst->io_u_sync_plat[k] += src->io_u_sync_plat[k];
5b9babb7 1600
6eaf09d6 1601 for (k = 0; k < DDIR_RWDIR_CNT; k++) {
771e58be
JA		 1602 if (!dst->unified_rw_rep) {
1603 dst->total_io_u[k] += src->total_io_u[k];
1604 dst->short_io_u[k] += src->short_io_u[k];
3bcb9d94 1605 dst->drop_io_u[k] += src->drop_io_u[k];
771e58be
JA		 1606 } else {
1607 dst->total_io_u[0] += src->total_io_u[k];
1608 dst->short_io_u[0] += src->short_io_u[k];
3bcb9d94 1609 dst->drop_io_u[0] += src->drop_io_u[k];
771e58be 1610 }
5b9babb7
JA		 1611 }
1612
7f3ecee2
JA		 1613 dst->total_io_u[DDIR_SYNC] += src->total_io_u[DDIR_SYNC];
1614
6eaf09d6 1615 for (k = 0; k < DDIR_RWDIR_CNT; k++) {
5b9babb7 1616 int m;
771e58be
JA		 1617
1618 for (m = 0; m < FIO_IO_U_PLAT_NR; m++) {
1619 if (!dst->unified_rw_rep)
1620 dst->io_u_plat[k][m] += src->io_u_plat[k][m];
1621 else
1622 dst->io_u_plat[0][m] += src->io_u_plat[k][m];
1623 }
5b9babb7
JA		 1624 }
1625
1626 dst->total_run_time += src->total_run_time;
1627 dst->total_submit += src->total_submit;
1628 dst->total_complete += src->total_complete;
1629}
1630
37f0c1ae
JA		 1631void init_group_run_stat(struct group_run_stats *gs)
1632{
6eaf09d6 1633 int i;
37f0c1ae 1634 memset(gs, 0, sizeof(*gs));
6eaf09d6
SL		 1635
1636 for (i = 0; i < DDIR_RWDIR_CNT; i++)
1637 gs->min_bw[i] = gs->min_run[i] = ~0UL;
37f0c1ae
JA		 1638}
1639
1640void init_thread_stat(struct thread_stat *ts)
1641{
1642 int j;
1643
1644 memset(ts, 0, sizeof(*ts));
1645
6eaf09d6 1646 for (j = 0; j < DDIR_RWDIR_CNT; j++) {
37f0c1ae
JA		 1647 ts->lat_stat[j].min_val = -1UL;
1648 ts->clat_stat[j].min_val = -1UL;
1649 ts->slat_stat[j].min_val = -1UL;
1650 ts->bw_stat[j].min_val = -1UL;
188b6016 1651 ts->iops_stat[j].min_val = -1UL;
37f0c1ae 1652 }
7f3ecee2 1653 ts->sync_stat.min_val = -1UL;
37f0c1ae
JA		 1654 ts->groupid = -1;
1655}
1656
83f7b64e 1657void __show_run_stats(void)
3c39a379
JA		 1658{
1659 struct group_run_stats *runstats, *rs;
1660 struct thread_data *td;
756867bd 1661 struct thread_stat *threadstats, *ts;
4da24b69 1662 int i, j, k, nr_ts, last_ts, idx;
8985b491
JA		 1663 bool kb_base_warned = false;
1664 bool unit_base_warned = false;
cc372b17
SL		 1665 struct json_object *root = NULL;
1666 struct json_array *array = NULL;
a666cab8 1667 struct buf_output output[FIO_OUTPUT_NR];
66e19a38 1668 struct flist_head **opt_lists;
a666cab8 1669
3c39a379
JA		 1670 runstats = malloc(sizeof(struct group_run_stats) * (groupid + 1));
1671
37f0c1ae
JA		 1672 for (i = 0; i < groupid + 1; i++)
1673 init_group_run_stat(&runstats[i]);
3c39a379 1674
756867bd
JA		 1675 /*
1676 * find out how many threads stats we need. if group reporting isn't
1677 * enabled, it's one-per-td.
1678 */
1679 nr_ts = 0;
1680 last_ts = -1;
1681 for_each_td(td, i) {
2dc1bbeb 1682 if (!td->o.group_reporting) {
756867bd
JA		 1683 nr_ts++;
1684 continue;
1685 }
1686 if (last_ts == td->groupid)
1687 continue;
8243be59
JA		 1688 if (!td->o.stats)
1689 continue;
756867bd
JA		 1690
1691 last_ts = td->groupid;
1692 nr_ts++;
1693 }
1694
1695 threadstats = malloc(nr_ts * sizeof(struct thread_stat));
66e19a38 1696 opt_lists = malloc(nr_ts * sizeof(struct flist_head *));
756867bd 1697
66e19a38 1698 for (i = 0; i < nr_ts; i++) {
37f0c1ae 1699 init_thread_stat(&threadstats[i]);
66e19a38
JA		 1700 opt_lists[i] = NULL;
1701 }
756867bd
JA		 1702
1703 j = 0;
1704 last_ts = -1;
197574e4 1705 idx = 0;
34572e28 1706 for_each_td(td, i) {
8243be59
JA		 1707 if (!td->o.stats)
1708 continue;
2dc1bbeb
JA		 1709 if (idx && (!td->o.group_reporting ||
1710 (td->o.group_reporting && last_ts != td->groupid))) {
7abd0e3a
JA		 1711 idx = 0;
1712 j++;
1713 }
1714
1715 last_ts = td->groupid;
1716
756867bd
JA		 1717 ts = &threadstats[j];
1718
83349190 1719 ts->clat_percentiles = td->o.clat_percentiles;
b599759b 1720 ts->lat_percentiles = td->o.lat_percentiles;
435d195a 1721 ts->percentile_precision = td->o.percentile_precision;
fd112d34 1722 memcpy(ts->percentile_list, td->o.percentile_list, sizeof(td->o.percentile_list));
66e19a38 1723 opt_lists[j] = &td->opt_list;
83349190 1724
197574e4 1725 idx++;
6586ee89 1726 ts->members++;
756867bd 1727
7abd0e3a 1728 if (ts->groupid == -1) {
2dc84ba7
JA		 1729 /*
1730 * These are per-group shared already
1731 */
4e59d0f3 1732 strncpy(ts->name, td->o.name, FIO_JOBNAME_SIZE - 1);
a64e88da
JA		 1733 if (td->o.description)
1734 strncpy(ts->description, td->o.description,
4e59d0f3 1735 FIO_JOBDESC_SIZE - 1);
a64e88da 1736 else
4e59d0f3 1737 memset(ts->description, 0, FIO_JOBDESC_SIZE);
a64e88da 1738
2f122b13
JA		 1739 /*
1740 * If multiple entries in this group, this is
1741 * the first member.
1742 */
1743 ts->thread_number = td->thread_number;
756867bd 1744 ts->groupid = td->groupid;
2dc84ba7
JA		 1745
1746 /*
1747 * first pid in group, not very useful...
1748 */
756867bd 1749 ts->pid = td->pid;
90fef2d1
JA		 1750
1751 ts->kb_base = td->o.kb_base;
ad705bcb 1752 ts->unit_base = td->o.unit_base;
e883cb35 1753 ts->sig_figs = td->o.sig_figs;
771e58be 1754 ts->unified_rw_rep = td->o.unified_rw_rep;
90fef2d1
JA		 1755 } else if (ts->kb_base != td->o.kb_base && !kb_base_warned) {
1756 log_info("fio: kb_base differs for jobs in group, using"
1757 " %u as the base\n", ts->kb_base);
8985b491 1758 kb_base_warned = true;
ad705bcb
SN		 1759 } else if (ts->unit_base != td->o.unit_base && !unit_base_warned) {
1760 log_info("fio: unit_base differs for jobs in group, using"
1761 " %u as the base\n", ts->unit_base);
8985b491 1762 unit_base_warned = true;
2dc84ba7
JA		 1763 }
1764
f2bba182
RR		 1765 ts->continue_on_error = td->o.continue_on_error;
1766 ts->total_err_count += td->total_err_count;
1767 ts->first_error = td->first_error;
1768 if (!ts->error) {
1769 if (!td->error && td->o.continue_on_error &&
1770 td->first_error) {
1771 ts->error = td->first_error;
3660ceae
JA		 1772 ts->verror[sizeof(ts->verror) - 1] = '\0';
1773 strncpy(ts->verror, td->verror, sizeof(ts->verror) - 1);
f2bba182
RR		 1774 } else if (td->error) {
1775 ts->error = td->error;
3660ceae
JA		 1776 ts->verror[sizeof(ts->verror) - 1] = '\0';
1777 strncpy(ts->verror, td->verror, sizeof(ts->verror) - 1);
f2bba182 1778 }
756867bd
JA		 1779 }
1780
3e260a46
JA		 1781 ts->latency_depth = td->latency_qd;
1782 ts->latency_target = td->o.latency_target;
1783 ts->latency_percentile = td->o.latency_percentile;
1784 ts->latency_window = td->o.latency_window;
1785
0e4dd95c 1786 ts->nr_block_infos = td->ts.nr_block_infos;
4da24b69
JA		 1787 for (k = 0; k < ts->nr_block_infos; k++)
1788 ts->block_infos[k] = td->ts.block_infos[k];
0e4dd95c 1789
fd595830 1790 sum_thread_stats(ts, &td->ts, idx == 1);
16e56d25 1791
bb49c8bd
VF		 1792 if (td->o.ss_dur) {
1793 ts->ss_state = td->ss.state;
1794 ts->ss_dur = td->ss.dur;
1795 ts->ss_head = td->ss.head;
bb49c8bd
VF		 1796 ts->ss_bw_data = td->ss.bw_data;
1797 ts->ss_iops_data = td->ss.iops_data;
1798 ts->ss_limit.u.f = td->ss.limit;
1799 ts->ss_slope.u.f = td->ss.slope;
1800 ts->ss_deviation.u.f = td->ss.deviation;
1801 ts->ss_criterion.u.f = td->ss.criterion;
1802 }
16e56d25 1803 else
bb49c8bd 1804 ts->ss_dur = ts->ss_state = 0;
756867bd
JA		 1805 }
1806
1807 for (i = 0; i < nr_ts; i++) {
94370ac4 1808 unsigned long long bw;
3c39a379 1809
756867bd 1810 ts = &threadstats[i];
dedb88eb
JA		 1811 if (ts->groupid == -1)
1812 continue;
756867bd 1813 rs = &runstats[ts->groupid];
90fef2d1 1814 rs->kb_base = ts->kb_base;
ad705bcb 1815 rs->unit_base = ts->unit_base;
e883cb35 1816 rs->sig_figs = ts->sig_figs;
771e58be 1817 rs->unified_rw_rep += ts->unified_rw_rep;
3c39a379 1818
6eaf09d6 1819 for (j = 0; j < DDIR_RWDIR_CNT; j++) {
94370ac4
JA		 1820 if (!ts->runtime[j])
1821 continue;
1822 if (ts->runtime[j] < rs->min_run[j] || !rs->min_run[j])
1823 rs->min_run[j] = ts->runtime[j];
1824 if (ts->runtime[j] > rs->max_run[j])
1825 rs->max_run[j] = ts->runtime[j];
1826
1827 bw = 0;
af7f87cb
RE		 1828 if (ts->runtime[j])
1829 bw = ts->io_bytes[j] * 1000 / ts->runtime[j];
94370ac4
JA		 1830 if (bw < rs->min_bw[j])
1831 rs->min_bw[j] = bw;
1832 if (bw > rs->max_bw[j])
1833 rs->max_bw[j] = bw;
1834
af7f87cb 1835 rs->iobytes[j] += ts->io_bytes[j];
94370ac4 1836 }
3c39a379
JA		 1837 }
1838
1839 for (i = 0; i < groupid + 1; i++) {
6eaf09d6
SL		 1840 int ddir;
1841
3c39a379
JA		 1842 rs = &runstats[i];
1843
6eaf09d6
SL		 1844 for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++) {
1845 if (rs->max_run[ddir])
af7f87cb 1846 rs->agg[ddir] = (rs->iobytes[ddir] * 1000) /
6eaf09d6
SL		 1847 rs->max_run[ddir];
1848 }
3c39a379
JA		 1849 }
1850
a666cab8 1851 for (i = 0; i < FIO_OUTPUT_NR; i++)
e250c0a9 1852 buf_output_init(&output[i]);
a666cab8 1853
3c39a379
JA		 1854 /*
1855 * don't overwrite last signal output
1856 */
129fb2d4 1857 if (output_format & FIO_OUTPUT_NORMAL)
a666cab8 1858 log_buf(&output[__FIO_OUTPUT_NORMAL], "\n");
129fb2d4 1859 if (output_format & FIO_OUTPUT_JSON) {
66e19a38 1860 struct thread_data *global;
35326842 1861 char time_buf[32];
aa7d2ef0
RH		 1862 struct timeval now;
1863 unsigned long long ms_since_epoch;
91e53870 1864
aa7d2ef0
RH		 1865 gettimeofday(&now, NULL);
1866 ms_since_epoch = (unsigned long long)(now.tv_sec) * 1000 +
1867 (unsigned long long)(now.tv_usec) / 1000;
1868
1869 os_ctime_r((const time_t *) &now.tv_sec, time_buf,
91e53870 1870 sizeof(time_buf));
1d272416
JA		 1871 if (time_buf[strlen(time_buf) - 1] == '\n')
1872 time_buf[strlen(time_buf) - 1] = '\0';
91e53870 1873
cc372b17
SL		 1874 root = json_create_object();
1875 json_object_add_value_string(root, "fio version", fio_version_string);
aa7d2ef0
RH		 1876 json_object_add_value_int(root, "timestamp", now.tv_sec);
1877 json_object_add_value_int(root, "timestamp_ms", ms_since_epoch);
91e53870 1878 json_object_add_value_string(root, "time", time_buf);
66e19a38 1879 global = get_global_options();
876e1001 1880 json_add_job_opts(root, "global options", &global->opt_list, false);
cc372b17
SL		 1881 array = json_create_array();
1882 json_object_add_value_array(root, "jobs", array);
1883 }
3c39a379 1884
0279b880
JA		 1885 if (is_backend)
1886 fio_server_send_job_options(&get_global_options()->opt_list, -1U);
1887
756867bd
JA		 1888 for (i = 0; i < nr_ts; i++) {
1889 ts = &threadstats[i];
1890 rs = &runstats[ts->groupid];
3c39a379 1891
0279b880
JA		 1892 if (is_backend) {
1893 fio_server_send_job_options(opt_lists[i], i);
a64e88da 1894 fio_server_send_ts(ts, rs);
0279b880 1895 } else {
129fb2d4 1896 if (output_format & FIO_OUTPUT_TERSE)
a666cab8 1897 show_thread_status_terse(ts, rs, &output[__FIO_OUTPUT_TERSE]);
129fb2d4 1898 if (output_format & FIO_OUTPUT_JSON) {
66e19a38 1899 struct json_object *tmp = show_thread_status_json(ts, rs, opt_lists[i]);
129fb2d4
JA		 1900 json_array_add_value_object(array, tmp);
1901 }
1902 if (output_format & FIO_OUTPUT_NORMAL)
a666cab8 1903 show_thread_status_normal(ts, rs, &output[__FIO_OUTPUT_NORMAL]);
129fb2d4 1904 }
3c39a379 1905 }
ab34ddd1 1906 if (!is_backend && (output_format & FIO_OUTPUT_JSON)) {
cc372b17 1907 /* disk util stats, if any */
a666cab8 1908 show_disk_util(1, root, &output[__FIO_OUTPUT_JSON]);
cc372b17 1909
a666cab8 1910 show_idle_prof_stats(FIO_OUTPUT_JSON, root, &output[__FIO_OUTPUT_JSON]);
f2a2ce0e 1911
a666cab8
JA		 1912 json_print_object(root, &output[__FIO_OUTPUT_JSON]);
1913 log_buf(&output[__FIO_OUTPUT_JSON], "\n");
cc372b17
SL		 1914 json_free_object(root);
1915 }
3c39a379 1916
72c27ff8
JA		 1917 for (i = 0; i < groupid + 1; i++) {
1918 rs = &runstats[i];
3c39a379 1919
72c27ff8 1920 rs->groupid = i;
d09a64a0 1921 if (is_backend)
72c27ff8 1922 fio_server_send_gs(rs);
129fb2d4 1923 else if (output_format & FIO_OUTPUT_NORMAL)
a666cab8 1924 show_group_stats(rs, &output[__FIO_OUTPUT_NORMAL]);
c6ae0a5b 1925 }
eecf272f 1926
72c27ff8
JA		 1927 if (is_backend)
1928 fio_server_send_du();
129fb2d4 1929 else if (output_format & FIO_OUTPUT_NORMAL) {
a666cab8
JA		 1930 show_disk_util(0, NULL, &output[__FIO_OUTPUT_NORMAL]);
1931 show_idle_prof_stats(FIO_OUTPUT_NORMAL, NULL, &output[__FIO_OUTPUT_NORMAL]);
60904003 1932 }
f2a2ce0e 1933
3d57c0e9 1934 for (i = 0; i < FIO_OUTPUT_NR; i++) {
3dc3aa41 1935 struct buf_output *out = &output[i];
8dd0eca3 1936
3dc3aa41 1937 log_info_buf(out->buf, out->buflen);
3dc3aa41 1938 buf_output_free(out);
3d57c0e9 1939 }
2b8c71b0 1940
fdd5f15f 1941 log_info_flush();
eecf272f 1942 free(runstats);
756867bd 1943 free(threadstats);
66e19a38 1944 free(opt_lists);
3c39a379
JA		 1945}
1946
cef9175e
JA		 1947void show_run_stats(void)
1948{
1949 fio_mutex_down(stat_mutex);
1950 __show_run_stats();
1951 fio_mutex_up(stat_mutex);
1952}
1953
5ddc6707 1954void __show_running_run_stats(void)
b852e7cf
JA		 1955{
1956 struct thread_data *td;
1957 unsigned long long *rt;
8b6a404c 1958 struct timespec ts;
b852e7cf
JA		 1959 int i;
1960
90811930
JA		 1961 fio_mutex_down(stat_mutex);
1962
b852e7cf 1963 rt = malloc(thread_number * sizeof(unsigned long long));
8b6a404c 1964 fio_gettime(&ts, NULL);
b852e7cf
JA		 1965
1966 for_each_td(td, i) {
c97f1ad6 1967 td->update_rusage = 1;
6eaf09d6
SL		 1968 td->ts.io_bytes[DDIR_READ] = td->io_bytes[DDIR_READ];
1969 td->ts.io_bytes[DDIR_WRITE] = td->io_bytes[DDIR_WRITE];
1970 td->ts.io_bytes[DDIR_TRIM] = td->io_bytes[DDIR_TRIM];
8b6a404c 1971 td->ts.total_run_time = mtime_since(&td->epoch, &ts);
6c041a88 1972
8b6a404c 1973 rt[i] = mtime_since(&td->start, &ts);
6c041a88 1974 if (td_read(td) && td->ts.io_bytes[DDIR_READ])
1975 td->ts.runtime[DDIR_READ] += rt[i];
1976 if (td_write(td) && td->ts.io_bytes[DDIR_WRITE])
1977 td->ts.runtime[DDIR_WRITE] += rt[i];
1978 if (td_trim(td) && td->ts.io_bytes[DDIR_TRIM])
1979 td->ts.runtime[DDIR_TRIM] += rt[i];
b852e7cf
JA		 1980 }
1981
c97f1ad6 1982 for_each_td(td, i) {
fda2cfac
JA		 1983 if (td->runstate >= TD_EXITED)
1984 continue;
c97f1ad6
JA		 1985 if (td->rusage_sem) {
1986 td->update_rusage = 1;
1987 fio_mutex_down(td->rusage_sem);
1988 }
1989 td->update_rusage = 0;
1990 }
1991
cef9175e 1992 __show_run_stats();
b852e7cf
JA		 1993
1994 for_each_td(td, i) {
6c041a88 1995 if (td_read(td) && td->ts.io_bytes[DDIR_READ])
b852e7cf 1996 td->ts.runtime[DDIR_READ] -= rt[i];
6c041a88 1997 if (td_write(td) && td->ts.io_bytes[DDIR_WRITE])
b852e7cf 1998 td->ts.runtime[DDIR_WRITE] -= rt[i];
6c041a88 1999 if (td_trim(td) && td->ts.io_bytes[DDIR_TRIM])
6eaf09d6 2000 td->ts.runtime[DDIR_TRIM] -= rt[i];
b852e7cf
JA		 2001 }
2002
2003 free(rt);
cef9175e 2004 fio_mutex_up(stat_mutex);
b852e7cf
JA		 2005}
2006
8985b491 2007static bool status_interval_init;
8b6a404c 2008static struct timespec status_time;
8985b491 2009static bool status_file_disabled;
06464907 2010
dac45f23 2011#define FIO_STATUS_FILE "fio-dump-status"
06464907
JA		 2012
2013static int check_status_file(void)
2014{
2015 struct stat sb;
a0bafb7d
BC		 2016 const char *temp_dir;
2017 char fio_status_file_path[PATH_MAX];
06464907 2018
77d99675
JA		 2019 if (status_file_disabled)
2020 return 0;
2021
a0bafb7d 2022 temp_dir = getenv("TMPDIR");
48b16e27 2023 if (temp_dir == NULL) {
a0bafb7d 2024 temp_dir = getenv("TEMP");
48b16e27
JA		 2025 if (temp_dir && strlen(temp_dir) >= PATH_MAX)
2026 temp_dir = NULL;
2027 }
a0bafb7d
BC		 2028 if (temp_dir == NULL)
2029 temp_dir = "/tmp";
2030
2031 snprintf(fio_status_file_path, sizeof(fio_status_file_path), "%s/%s", temp_dir, FIO_STATUS_FILE);
2032
2033 if (stat(fio_status_file_path, &sb))
06464907
JA		 2034 return 0;
2035
77d99675
JA		 2036 if (unlink(fio_status_file_path) < 0) {
2037 log_err("fio: failed to unlink %s: %s\n", fio_status_file_path,
2038 strerror(errno));
2039 log_err("fio: disabling status file updates\n");
8985b491 2040 status_file_disabled = true;
77d99675
JA		 2041 }
2042
06464907
JA		 2043 return 1;
2044}
2045
2046void check_for_running_stats(void)
2047{
2048 if (status_interval) {
2049 if (!status_interval_init) {
2050 fio_gettime(&status_time, NULL);
8985b491 2051 status_interval_init = true;
06464907
JA		 2052 } else if (mtime_since_now(&status_time) >= status_interval) {
2053 show_running_run_stats();
2054 fio_gettime(&status_time, NULL);
2055 return;
2056 }
2057 }
2058 if (check_status_file()) {
2059 show_running_run_stats();
2060 return;
2061 }
2062}
2063
d6bb626e 2064static inline void add_stat_sample(struct io_stat *is, unsigned long long data)
3c39a379 2065{
68704084 2066 double val = data;
6660cc67 2067 double delta;
68704084
JA		 2068
2069 if (data > is->max_val)
2070 is->max_val = data;
2071 if (data < is->min_val)
2072 is->min_val = data;
2073
802ad4a8 2074 delta = val - is->mean.u.f;
ef11d737 2075 if (delta) {
802ad4a8
JA		 2076 is->mean.u.f += delta / (is->samples + 1.0);
2077 is->S.u.f += delta * (val - is->mean.u.f);
ef11d737 2078 }
3c39a379 2079
3c39a379
JA		 2080 is->samples++;
2081}
2082
7e419452
JA		 2083/*
2084 * Return a struct io_logs, which is added to the tail of the log
2085 * list for 'iolog'.
2086 */
2087static struct io_logs *get_new_log(struct io_log *iolog)
2088{
2089 size_t new_size, new_samples;
2090 struct io_logs *cur_log;
2091
2092 /*
2093 * Cap the size at MAX_LOG_ENTRIES, so we don't keep doubling
2094 * forever
2095 */
2096 if (!iolog->cur_log_max)
2097 new_samples = DEF_LOG_ENTRIES;
2098 else {
2099 new_samples = iolog->cur_log_max * 2;
2100 if (new_samples > MAX_LOG_ENTRIES)
2101 new_samples = MAX_LOG_ENTRIES;
2102 }
2103
7e419452 2104 new_size = new_samples * log_entry_sz(iolog);
7e419452 2105
90d2d53f 2106 cur_log = smalloc(sizeof(*cur_log));
7e419452
JA		 2107 if (cur_log) {
2108 INIT_FLIST_HEAD(&cur_log->list);
2109 cur_log->log = malloc(new_size);
2110 if (cur_log->log) {
2111 cur_log->nr_samples = 0;
2112 cur_log->max_samples = new_samples;
2113 flist_add_tail(&cur_log->list, &iolog->io_logs);
2114 iolog->cur_log_max = new_samples;
2115 return cur_log;
2116 }
90d2d53f 2117 sfree(cur_log);
7e419452
JA		 2118 }
2119
2120 return NULL;
2121}
2122
1fed2080
JA		 2123/*
2124 * Add and return a new log chunk, or return current log if big enough
2125 */
2126static struct io_logs *regrow_log(struct io_log *iolog)
7e419452
JA		 2127{
2128 struct io_logs *cur_log;
1fed2080 2129 int i;
7e419452 2130
1fed2080 2131 if (!iolog || iolog->disabled)
2ab71dc4 2132 goto disable;
7e419452 2133
1fed2080 2134 cur_log = iolog_cur_log(iolog);
a9afa45a
JA		 2135 if (!cur_log) {
2136 cur_log = get_new_log(iolog);
2137 if (!cur_log)
2138 return NULL;
2139 }
2140
7e419452
JA		 2141 if (cur_log->nr_samples < cur_log->max_samples)
2142 return cur_log;
2143
2144 /*
2145 * No room for a new sample. If we're compressing on the fly, flush
2146 * out the current chunk
2147 */
2148 if (iolog->log_gz) {
2149 if (iolog_cur_flush(iolog, cur_log)) {
2150 log_err("fio: failed flushing iolog! Will stop logging.\n");
2151 return NULL;
2152 }
2153 }
2154
2155 /*
2156 * Get a new log array, and add to our list
2157 */
2158 cur_log = get_new_log(iolog);
1fed2080
JA		 2159 if (!cur_log) {
2160 log_err("fio: failed extending iolog! Will stop logging.\n");
2161 return NULL;
2162 }
2163
2164 if (!iolog->pending || !iolog->pending->nr_samples)
80a24ba9 2165 return cur_log;
7e419452 2166
1fed2080
JA		 2167 /*
2168 * Flush pending items to new log
2169 */
2170 for (i = 0; i < iolog->pending->nr_samples; i++) {
2171 struct io_sample *src, *dst;
2172
2173 src = get_sample(iolog, iolog->pending, i);
2174 dst = get_sample(iolog, cur_log, i);
2175 memcpy(dst, src, log_entry_sz(iolog));
2176 }
0b2eef49 2177 cur_log->nr_samples = iolog->pending->nr_samples;
1fed2080
JA		 2178
2179 iolog->pending->nr_samples = 0;
2180 return cur_log;
2ab71dc4
JA		 2181disable:
2182 if (iolog)
2183 iolog->disabled = true;
2184 return NULL;
1fed2080
JA		 2185}
2186
2187void regrow_logs(struct thread_data *td)
2188{
2ab71dc4
JA		 2189 regrow_log(td->slat_log);
2190 regrow_log(td->clat_log);
1e613c9c 2191 regrow_log(td->clat_hist_log);
2ab71dc4
JA		 2192 regrow_log(td->lat_log);
2193 regrow_log(td->bw_log);
2194 regrow_log(td->iops_log);
1fed2080
JA		 2195 td->flags &= ~TD_F_REGROW_LOGS;
2196}
2197
2198static struct io_logs *get_cur_log(struct io_log *iolog)
2199{
2200 struct io_logs *cur_log;
2201
2202 cur_log = iolog_cur_log(iolog);
2203 if (!cur_log) {
2204 cur_log = get_new_log(iolog);
2205 if (!cur_log)
2206 return NULL;
2207 }
2208
2209 if (cur_log->nr_samples < cur_log->max_samples)
2210 return cur_log;
2211
2212 /*
1eb467fb
JA		 2213 * Out of space. If we're in IO offload mode, or we're not doing
2214 * per unit logging (hence logging happens outside of the IO thread
2215 * as well), add a new log chunk inline. If we're doing inline
2216 * submissions, flag 'td' as needing a log regrow and we'll take
2217 * care of it on the submission side.
1fed2080 2218 */
1eb467fb
JA		 2219 if (iolog->td->o.io_submit_mode == IO_MODE_OFFLOAD ||
2220 !per_unit_log(iolog))
1fed2080
JA		 2221 return regrow_log(iolog);
2222
2223 iolog->td->flags |= TD_F_REGROW_LOGS;
2224 assert(iolog->pending->nr_samples < iolog->pending->max_samples);
2225 return iolog->pending;
7e419452
JA		 2226}
2227
af2fde19 2228static void __add_log_sample(struct io_log *iolog, union io_sample_data data,
306ddc97 2229 enum fio_ddir ddir, unsigned int bs,
ae588852 2230 unsigned long t, uint64_t offset)
3c39a379 2231{
7e419452 2232 struct io_logs *cur_log;
306ddc97 2233
3c568239
JA		 2234 if (iolog->disabled)
2235 return;
7e419452 2236 if (flist_empty(&iolog->io_logs))
8355119b 2237 iolog->avg_last[ddir] = t;
b8bc8cba 2238
7e419452
JA		 2239 cur_log = get_cur_log(iolog);
2240 if (cur_log) {
2241 struct io_sample *s;
3c39a379 2242
7e419452 2243 s = get_sample(iolog, cur_log, cur_log->nr_samples);
3c39a379 2244
af2fde19 2245 s->data = data;
a9179eeb 2246 s->time = t + (iolog->td ? iolog->td->unix_epoch : 0);
7e419452
JA		 2247 io_sample_set_ddir(iolog, s, ddir);
2248 s->bs = bs;
ae588852 2249
7e419452
JA		 2250 if (iolog->log_offset) {
2251 struct io_sample_offset *so = (void *) s;
ae588852 2252
7e419452
JA		 2253 so->offset = offset;
2254 }
ae588852 2255
7e419452
JA		 2256 cur_log->nr_samples++;
2257 return;
ae588852
JA		 2258 }
2259
7e419452 2260 iolog->disabled = true;
3c39a379
JA		 2261}
2262
7fb28d36
JA		 2263static inline void reset_io_stat(struct io_stat *ios)
2264{
2265 ios->max_val = ios->min_val = ios->samples = 0;
2266 ios->mean.u.f = ios->S.u.f = 0;
2267}
2268
6bb58215
JA		 2269void reset_io_stats(struct thread_data *td)
2270{
2271 struct thread_stat *ts = &td->ts;
2272 int i, j;
2273
2274 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
2275 reset_io_stat(&ts->clat_stat[i]);
2276 reset_io_stat(&ts->slat_stat[i]);
2277 reset_io_stat(&ts->lat_stat[i]);
2278 reset_io_stat(&ts->bw_stat[i]);
2279 reset_io_stat(&ts->iops_stat[i]);
2280
2281 ts->io_bytes[i] = 0;
2282 ts->runtime[i] = 0;
71cb78c1
VF		 2283 ts->total_io_u[i] = 0;
2284 ts->short_io_u[i] = 0;
2285 ts->drop_io_u[i] = 0;
6bb58215 2286
b2b3eefe 2287 for (j = 0; j < FIO_IO_U_PLAT_NR; j++) {
6bb58215 2288 ts->io_u_plat[i][j] = 0;
b2b3eefe
JA		 2289 if (!i)
2290 ts->io_u_sync_plat[j] = 0;
2291 }
6bb58215
JA		 2292 }
2293
7f3ecee2
JA		 2294 ts->total_io_u[DDIR_SYNC] = 0;
2295
6bb58215
JA		 2296 for (i = 0; i < FIO_IO_U_MAP_NR; i++) {
2297 ts->io_u_map[i] = 0;
2298 ts->io_u_submit[i] = 0;
2299 ts->io_u_complete[i] = 0;
71cb78c1
VF		 2300 }
2301
d6bb626e
VF		 2302 for (i = 0; i < FIO_IO_U_LAT_N_NR; i++)
2303 ts->io_u_lat_n[i] = 0;
71cb78c1 2304 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++)
6bb58215 2305 ts->io_u_lat_u[i] = 0;
71cb78c1 2306 for (i = 0; i < FIO_IO_U_LAT_M_NR; i++)
6bb58215 2307 ts->io_u_lat_m[i] = 0;
6bb58215 2308
71cb78c1
VF		 2309 ts->total_submit = 0;
2310 ts->total_complete = 0;
6bb58215
JA		 2311}
2312
d96d3bb3 2313static void __add_stat_to_log(struct io_log *iolog, enum fio_ddir ddir,
e6989e10 2314 unsigned long elapsed, bool log_max)
99007068
PO		 2315{
2316 /*
2317 * Note an entry in the log. Use the mean from the logged samples,
2318 * making sure to properly round up. Only write a log entry if we
2319 * had actual samples done.
2320 */
d96d3bb3 2321 if (iolog->avg_window[ddir].samples) {
af2fde19 2322 union io_sample_data data;
99007068 2323
e6989e10 2324 if (log_max)
af2fde19 2325 data.val = iolog->avg_window[ddir].max_val;
e6989e10 2326 else
af2fde19 2327 data.val = iolog->avg_window[ddir].mean.u.f + 0.50;
e6989e10 2328
af2fde19 2329 __add_log_sample(iolog, data, ddir, 0, elapsed, 0);
99007068 2330 }
99007068 2331
d96d3bb3
JA		 2332 reset_io_stat(&iolog->avg_window[ddir]);
2333}
99007068 2334
e6989e10
JA		 2335static void _add_stat_to_log(struct io_log *iolog, unsigned long elapsed,
2336 bool log_max)
d96d3bb3
JA		 2337{
2338 int ddir;
99007068 2339
d96d3bb3 2340 for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++)
e6989e10 2341 __add_stat_to_log(iolog, ddir, elapsed, log_max);
99007068
PO		 2342}
2343
d454a205 2344static long add_log_sample(struct thread_data *td, struct io_log *iolog,
af2fde19 2345 union io_sample_data data, enum fio_ddir ddir,
ae588852 2346 unsigned int bs, uint64_t offset)
bb3884d8 2347{
7fb28d36 2348 unsigned long elapsed, this_window;
b8bc8cba 2349
ff58fced 2350 if (!ddir_rw(ddir))
d454a205 2351 return 0;
ff58fced 2352
b8bc8cba
JA		 2353 elapsed = mtime_since_now(&td->epoch);
2354
2355 /*
2356 * If no time averaging, just add the log sample.
2357 */
2358 if (!iolog->avg_msec) {
af2fde19 2359 __add_log_sample(iolog, data, ddir, bs, elapsed, offset);
d454a205 2360 return 0;
b8bc8cba
JA		 2361 }
2362
2363 /*
2364 * Add the sample. If the time period has passed, then
2365 * add that entry to the log and clear.
2366 */
af2fde19 2367 add_stat_sample(&iolog->avg_window[ddir], data.val);
b8bc8cba 2368
7fb28d36
JA		 2369 /*
2370 * If period hasn't passed, adding the above sample is all we
2371 * need to do.
2372 */
8355119b
SW		 2373 this_window = elapsed - iolog->avg_last[ddir];
2374 if (elapsed < iolog->avg_last[ddir])
2375 return iolog->avg_last[ddir] - elapsed;
f5a568cf 2376 else if (this_window < iolog->avg_msec) {
d454a205
JA		 2377 int diff = iolog->avg_msec - this_window;
2378
b392f36d 2379 if (inline_log(iolog) || diff > LOG_MSEC_SLACK)
d454a205
JA		 2380 return diff;
2381 }
b8bc8cba 2382
8355119b 2383 __add_stat_to_log(iolog, ddir, elapsed, td->o.log_max != 0);
b8bc8cba 2384
8355119b 2385 iolog->avg_last[ddir] = elapsed - (this_window - iolog->avg_msec);
d454a205 2386 return iolog->avg_msec;
99007068 2387}
6eaf09d6 2388
a47591e4 2389void finalize_logs(struct thread_data *td, bool unit_logs)
99007068
PO		 2390{
2391 unsigned long elapsed;
6eaf09d6 2392
99007068 2393 elapsed = mtime_since_now(&td->epoch);
b8bc8cba 2394
a47591e4 2395 if (td->clat_log && unit_logs)
e6989e10 2396 _add_stat_to_log(td->clat_log, elapsed, td->o.log_max != 0);
a47591e4 2397 if (td->slat_log && unit_logs)
e6989e10 2398 _add_stat_to_log(td->slat_log, elapsed, td->o.log_max != 0);
a47591e4 2399 if (td->lat_log && unit_logs)
e6989e10 2400 _add_stat_to_log(td->lat_log, elapsed, td->o.log_max != 0);
a47591e4 2401 if (td->bw_log && (unit_logs == per_unit_log(td->bw_log)))
e6989e10 2402 _add_stat_to_log(td->bw_log, elapsed, td->o.log_max != 0);
a47591e4 2403 if (td->iops_log && (unit_logs == per_unit_log(td->iops_log)))
e6989e10 2404 _add_stat_to_log(td->iops_log, elapsed, td->o.log_max != 0);
bb3884d8
JA		 2405}
2406
af2fde19 2407void add_agg_sample(union io_sample_data data, enum fio_ddir ddir, unsigned int bs)
bb3884d8 2408{
ff58fced 2409 struct io_log *iolog;
bb3884d8 2410
ff58fced
JA		 2411 if (!ddir_rw(ddir))
2412 return;
2413
2414 iolog = agg_io_log[ddir];
af2fde19 2415 __add_log_sample(iolog, data, ddir, bs, mtime_since_genesis(), 0);
bb3884d8
JA		 2416}
2417
b2b3eefe
JA		 2418void add_sync_clat_sample(struct thread_stat *ts, unsigned long long nsec)
2419{
2420 unsigned int idx = plat_val_to_idx(nsec);
2421 assert(idx < FIO_IO_U_PLAT_NR);
2422
2423 ts->io_u_sync_plat[idx]++;
2424 add_stat_sample(&ts->sync_stat, nsec);
2425}
2426
83349190 2427static void add_clat_percentile_sample(struct thread_stat *ts,
d6bb626e 2428 unsigned long long nsec, enum fio_ddir ddir)
83349190 2429{
d6bb626e 2430 unsigned int idx = plat_val_to_idx(nsec);
83349190
YH		 2431 assert(idx < FIO_IO_U_PLAT_NR);
2432
2433 ts->io_u_plat[ddir][idx]++;
2434}
2435
1e97cce9 2436void add_clat_sample(struct thread_data *td, enum fio_ddir ddir,
d6bb626e 2437 unsigned long long nsec, unsigned int bs, uint64_t offset)
3c39a379 2438{
1e613c9c 2439 unsigned long elapsed, this_window;
756867bd 2440 struct thread_stat *ts = &td->ts;
1e613c9c 2441 struct io_log *iolog = td->clat_hist_log;
079ad09b 2442
75dc383e
JA		 2443 td_io_u_lock(td);
2444
d6bb626e 2445 add_stat_sample(&ts->clat_stat[ddir], nsec);
3c39a379 2446
7b9f733a 2447 if (td->clat_log)
d6bb626e 2448 add_log_sample(td, td->clat_log, sample_val(nsec), ddir, bs,
af2fde19 2449 offset);
83349190
YH		 2450
2451 if (ts->clat_percentiles)
d6bb626e 2452 add_clat_percentile_sample(ts, nsec, ddir);
75dc383e 2453
1e613c9c 2454 if (iolog && iolog->hist_msec) {
93168285
JA		 2455 struct io_hist *hw = &iolog->hist_window[ddir];
2456
2457 hw->samples++;
1e613c9c 2458 elapsed = mtime_since_now(&td->epoch);
93168285 2459 if (!hw->hist_last)
1e613c9c
KC		 2460 hw->hist_last = elapsed;
2461 this_window = elapsed - hw->hist_last;
2462
2463 if (this_window >= iolog->hist_msec) {
93168285 2464 unsigned int *io_u_plat;
65a4d15c 2465 struct io_u_plat_entry *dst;
93168285 2466
1e613c9c 2467 /*
93168285
JA		 2468 * Make a byte-for-byte copy of the latency histogram
2469 * stored in td->ts.io_u_plat[ddir], recording it in a
2470 * log sample. Note that the matching call to free() is
2471 * located in iolog.c after printing this sample to the
2472 * log file.
1e613c9c 2473 */
93168285 2474 io_u_plat = (unsigned int *) td->ts.io_u_plat[ddir];
65a4d15c
KC		 2475 dst = malloc(sizeof(struct io_u_plat_entry));
2476 memcpy(&(dst->io_u_plat), io_u_plat,
93168285 2477 FIO_IO_U_PLAT_NR * sizeof(unsigned int));
d730bc58 2478 flist_add(&dst->list, &hw->list);
af2fde19 2479 __add_log_sample(iolog, sample_plat(dst), ddir, bs,
93168285 2480 elapsed, offset);
1e613c9c
KC		 2481
2482 /*
93168285
JA		 2483 * Update the last time we recorded as being now, minus
2484 * any drift in time we encountered before actually
2485 * making the record.
1e613c9c
KC		 2486 */
2487 hw->hist_last = elapsed - (this_window - iolog->hist_msec);
2488 hw->samples = 0;
2489 }
2490 }
2491
75dc383e 2492 td_io_u_unlock(td);
3c39a379
JA		 2493}
2494
1e97cce9 2495void add_slat_sample(struct thread_data *td, enum fio_ddir ddir,
ae588852 2496 unsigned long usec, unsigned int bs, uint64_t offset)
3c39a379 2497{
756867bd 2498 struct thread_stat *ts = &td->ts;
079ad09b 2499
ff58fced
JA		 2500 if (!ddir_rw(ddir))
2501 return;
2502
75dc383e
JA		 2503 td_io_u_lock(td);
2504
d85f5118 2505 add_stat_sample(&ts->slat_stat[ddir], usec);
3c39a379 2506
7b9f733a 2507 if (td->slat_log)
af2fde19 2508 add_log_sample(td, td->slat_log, sample_val(usec), ddir, bs, offset);
75dc383e
JA		 2509
2510 td_io_u_unlock(td);
3c39a379
JA		 2511}
2512
02af0988 2513void add_lat_sample(struct thread_data *td, enum fio_ddir ddir,
d6bb626e 2514 unsigned long long nsec, unsigned int bs, uint64_t offset)
02af0988
JA		 2515{
2516 struct thread_stat *ts = &td->ts;
2517
ff58fced
JA		 2518 if (!ddir_rw(ddir))
2519 return;
2520
75dc383e
JA		 2521 td_io_u_lock(td);
2522
d6bb626e 2523 add_stat_sample(&ts->lat_stat[ddir], nsec);
02af0988 2524
7b9f733a 2525 if (td->lat_log)
d6bb626e 2526 add_log_sample(td, td->lat_log, sample_val(nsec), ddir, bs,
af2fde19 2527 offset);
75dc383e 2528
b599759b
JA		 2529 if (ts->lat_percentiles)
2530 add_clat_percentile_sample(ts, nsec, ddir);
2531
75dc383e 2532 td_io_u_unlock(td);
02af0988
JA		 2533}
2534
a47591e4 2535void add_bw_sample(struct thread_data *td, struct io_u *io_u,
d6bb626e 2536 unsigned int bytes, unsigned long long spent)
a47591e4
JA		 2537{
2538 struct thread_stat *ts = &td->ts;
2539 unsigned long rate;
2540
2541 if (spent)
d6bb626e 2542 rate = (unsigned long) (bytes * 1000000ULL / spent);
a47591e4
JA		 2543 else
2544 rate = 0;
2545
2546 td_io_u_lock(td);
2547
2548 add_stat_sample(&ts->bw_stat[io_u->ddir], rate);
2549
2550 if (td->bw_log)
af2fde19
SW		 2551 add_log_sample(td, td->bw_log, sample_val(rate), io_u->ddir,
2552 bytes, io_u->offset);
a47591e4
JA		 2553
2554 td->stat_io_bytes[io_u->ddir] = td->this_io_bytes[io_u->ddir];
2555 td_io_u_unlock(td);
2556}
2557
8b6a404c
VF		 2558static int __add_samples(struct thread_data *td, struct timespec *parent_tv,
2559 struct timespec *t, unsigned int avg_time,
4843277a
JA		 2560 uint64_t *this_io_bytes, uint64_t *stat_io_bytes,
2561 struct io_stat *stat, struct io_log *log,
2562 bool is_kb)
3c39a379 2563{
ff58fced 2564 unsigned long spent, rate;
a47591e4 2565 enum fio_ddir ddir;
d454a205
JA		 2566 unsigned int next, next_log;
2567
4843277a 2568 next_log = avg_time;
ff58fced 2569
4843277a
JA		 2570 spent = mtime_since(parent_tv, t);
2571 if (spent < avg_time && avg_time - spent >= LOG_MSEC_SLACK)
2572 return avg_time - spent;
9602d8df 2573
a9da8ab2
JA		 2574 td_io_u_lock(td);
2575
9602d8df 2576 /*
5daa4ebe
JC		 2577 * Compute both read and write rates for the interval.
2578 */
c1f50f76 2579 for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++) {
5daa4ebe
JC		 2580 uint64_t delta;
2581
4843277a 2582 delta = this_io_bytes[ddir] - stat_io_bytes[ddir];
5daa4ebe
JC		 2583 if (!delta)
2584 continue; /* No entries for interval */
3c39a379 2585
4843277a
JA		 2586 if (spent) {
2587 if (is_kb)
2588 rate = delta * 1000 / spent / 1024; /* KiB/s */
2589 else
2590 rate = (delta * 1000) / spent;
2591 } else
0956264f
JA		 2592 rate = 0;
2593
4843277a 2594 add_stat_sample(&stat[ddir], rate);
3c39a379 2595
37181709 2596 if (log) {
66b98c9f
JA		 2597 unsigned int bs = 0;
2598
2599 if (td->o.min_bs[ddir] == td->o.max_bs[ddir])
2600 bs = td->o.min_bs[ddir];
2601
4843277a 2602 next = add_log_sample(td, log, sample_val(rate), ddir, bs, 0);
d454a205 2603 next_log = min(next_log, next);
66b98c9f 2604 }
5daa4ebe 2605
4843277a 2606 stat_io_bytes[ddir] = this_io_bytes[ddir];
5daa4ebe 2607 }
3c39a379 2608
8b6a404c 2609 timespec_add_msec(parent_tv, avg_time);
a47591e4
JA		 2610
2611 td_io_u_unlock(td);
2612
4843277a
JA		 2613 if (spent <= avg_time)
2614 next = avg_time;
306fea38 2615 else
4843277a 2616 next = avg_time - (1 + spent - avg_time);
a47591e4 2617
d454a205 2618 return min(next, next_log);
a47591e4
JA		 2619}
2620
8b6a404c 2621static int add_bw_samples(struct thread_data *td, struct timespec *t)
4843277a
JA		 2622{
2623 return __add_samples(td, &td->bw_sample_time, t, td->o.bw_avg_time,
2624 td->this_io_bytes, td->stat_io_bytes,
2625 td->ts.bw_stat, td->bw_log, true);
2626}
2627
a47591e4
JA		 2628void add_iops_sample(struct thread_data *td, struct io_u *io_u,
2629 unsigned int bytes)
2630{
2631 struct thread_stat *ts = &td->ts;
2632
2633 td_io_u_lock(td);
2634
2635 add_stat_sample(&ts->iops_stat[io_u->ddir], 1);
2636
2637 if (td->iops_log)
af2fde19
SW		 2638 add_log_sample(td, td->iops_log, sample_val(1), io_u->ddir,
2639 bytes, io_u->offset);
a47591e4
JA		 2640
2641 td->stat_io_blocks[io_u->ddir] = td->this_io_blocks[io_u->ddir];
a9da8ab2 2642 td_io_u_unlock(td);
3c39a379 2643}
c8eeb9df 2644
8b6a404c 2645static int add_iops_samples(struct thread_data *td, struct timespec *t)
c8eeb9df 2646{
4843277a
JA		 2647 return __add_samples(td, &td->iops_sample_time, t, td->o.iops_avg_time,
2648 td->this_io_blocks, td->stat_io_blocks,
2649 td->ts.iops_stat, td->iops_log, false);
a47591e4
JA		 2650}
2651
2652/*
2653 * Returns msecs to next event
2654 */
2655int calc_log_samples(void)
2656{
2657 struct thread_data *td;
2658 unsigned int next = ~0U, tmp;
8b6a404c 2659 struct timespec now;
a47591e4
JA		 2660 int i;
2661
2662 fio_gettime(&now, NULL);
2663
2664 for_each_td(td, i) {
8243be59
JA		 2665 if (!td->o.stats)
2666 continue;
6a89b401 2667 if (in_ramp_time(td) ||
a47591e4
JA		 2668 !(td->runstate == TD_RUNNING || td->runstate == TD_VERIFYING)) {
2669 next = min(td->o.iops_avg_time, td->o.bw_avg_time);
2670 continue;
2671 }
37181709
AH		 2672 if (!td->bw_log ||
2673 (td->bw_log && !per_unit_log(td->bw_log))) {
a47591e4
JA		 2674 tmp = add_bw_samples(td, &now);
2675 if (tmp < next)
2676 next = tmp;
2677 }
37181709
AH		 2678 if (!td->iops_log ||
2679 (td->iops_log && !per_unit_log(td->iops_log))) {
a47591e4
JA		 2680 tmp = add_iops_samples(td, &now);
2681 if (tmp < next)
2682 next = tmp;
2683 }
2684 }
2685
2686 return next == ~0U ? 0 : next;
c8eeb9df 2687}
cef9175e
JA		 2688
2689void stat_init(void)
2690{
2691 stat_mutex = fio_mutex_init(FIO_MUTEX_UNLOCKED);
2692}
2693
2694void stat_exit(void)
2695{
2696 /*
2697 * When we have the mutex, we know out-of-band access to it
2698 * have ended.
2699 */
2700 fio_mutex_down(stat_mutex);
2701 fio_mutex_remove(stat_mutex);
2702}
b2ee7647 2703
b2ee7647
JA		 2704/*
2705 * Called from signal handler. Wake up status thread.
2706 */
2707void show_running_run_stats(void)
2708{
a47591e4 2709 helper_do_stat();
b2ee7647 2710}
66347cfa
DE		 2711
2712uint32_t *io_u_block_info(struct thread_data *td, struct io_u *io_u)
2713{
2714 /* Ignore io_u's which span multiple blocks--they will just get
2715 * inaccurate counts. */
2716 int idx = (io_u->offset - io_u->file->file_offset)
2717 / td->o.bs[DDIR_TRIM];
2718 uint32_t *info = &td->ts.block_infos[idx];
2719 assert(idx < td->ts.nr_block_infos);
2720 return info;
2721}
fio - Flexible IO Tester