projects / fio.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
Add support for latency probing over an interval of load
[fio.git] / stat.c
CommitLineData
3c39a379
JA		 1#include <stdio.h>
2#include <string.h>
3#include <sys/time.h>
5c4e1dbc 4#include <sys/stat.h>
3c39a379
JA		 5#include <math.h>
6
7#include "fio.h"
7c9b1bce 8#include "diskutil.h"
c7c6cb4c 9#include "lib/ieee754.h"
cc372b17 10#include "json.h"
44404c5a 11#include "lib/getrusage.h"
f2a2ce0e 12#include "idletime.h"
0f38bbef 13#include "lib/pow2.h"
a666cab8 14#include "lib/output_buffer.h"
a39fb9ea 15#include "helper_thread.h"
90d2d53f 16#include "smalloc.h"
fd5d733f 17#include "zbd.h"
1a7081c7 18#include "target.h"
3c39a379 19
674456bf 20#define LOG_MSEC_SLACK 1
d454a205 21
971caeb1 22struct fio_sem *stat_sem;
cef9175e 23
210dd0fc
JA		 24void clear_rusage_stat(struct thread_data *td)
25{
26 struct thread_stat *ts = &td->ts;
27
28 fio_getrusage(&td->ru_start);
29 ts->usr_time = ts->sys_time = 0;
30 ts->ctx = 0;
31 ts->minf = ts->majf = 0;
32}
33
3c39a379
JA		 34void update_rusage_stat(struct thread_data *td)
35{
756867bd 36 struct thread_stat *ts = &td->ts;
3c39a379 37
44404c5a 38 fio_getrusage(&td->ru_end);
8b6a404c 39 ts->usr_time += mtime_since_tv(&td->ru_start.ru_utime,
c8aaba19 40 &td->ru_end.ru_utime);
8b6a404c 41 ts->sys_time += mtime_since_tv(&td->ru_start.ru_stime,
c8aaba19
JA		 42 &td->ru_end.ru_stime);
43 ts->ctx += td->ru_end.ru_nvcsw + td->ru_end.ru_nivcsw
44 - (td->ru_start.ru_nvcsw + td->ru_start.ru_nivcsw);
45 ts->minf += td->ru_end.ru_minflt - td->ru_start.ru_minflt;
46 ts->majf += td->ru_end.ru_majflt - td->ru_start.ru_majflt;
5ec10eaa 47
c8aaba19 48 memcpy(&td->ru_start, &td->ru_end, sizeof(td->ru_end));
3c39a379
JA		 49}
50
83349190
YH		 51/*
52 * Given a latency, return the index of the corresponding bucket in
53 * the structure tracking percentiles.
54 *
55 * (1) find the group (and error bits) that the value (latency)
56 * belongs to by looking at its MSB. (2) find the bucket number in the
57 * group by looking at the index bits.
58 *
59 */
d6bb626e 60static unsigned int plat_val_to_idx(unsigned long long val)
83349190
YH		 61{
62 unsigned int msb, error_bits, base, offset, idx;
63
64 /* Find MSB starting from bit 0 */
65 if (val == 0)
66 msb = 0;
67 else
d6bb626e 68 msb = (sizeof(val)*8) - __builtin_clzll(val) - 1;
83349190 69
716050f2
JA		 70 /*
71 * MSB <= (FIO_IO_U_PLAT_BITS-1), cannot be rounded off. Use
72 * all bits of the sample as index
73 */
83349190
YH		 74 if (msb <= FIO_IO_U_PLAT_BITS)
75 return val;
76
77 /* Compute the number of error bits to discard*/
78 error_bits = msb - FIO_IO_U_PLAT_BITS;
79
80 /* Compute the number of buckets before the group */
81 base = (error_bits + 1) << FIO_IO_U_PLAT_BITS;
82
716050f2
JA		 83 /*
84 * Discard the error bits and apply the mask to find the
3c3ed070 85 * index for the buckets in the group
716050f2 86 */
83349190
YH		 87 offset = (FIO_IO_U_PLAT_VAL - 1) & (val >> error_bits);
88
89 /* Make sure the index does not exceed (array size - 1) */
3c3ed070 90 idx = (base + offset) < (FIO_IO_U_PLAT_NR - 1) ?
83349190
YH		 91 (base + offset) : (FIO_IO_U_PLAT_NR - 1);
92
93 return idx;
94}
95
96/*
97 * Convert the given index of the bucket array to the value
98 * represented by the bucket
99 */
129e4193 100static unsigned long long plat_idx_to_val(unsigned int idx)
83349190 101{
c8b44cfa
RL		 102 unsigned int error_bits;
103 unsigned long long k, base;
83349190
YH		 104
105 assert(idx < FIO_IO_U_PLAT_NR);
106
107 /* MSB <= (FIO_IO_U_PLAT_BITS-1), cannot be rounded off. Use
108 * all bits of the sample as index */
3c3ed070 109 if (idx < (FIO_IO_U_PLAT_VAL << 1))
83349190
YH		 110 return idx;
111
112 /* Find the group and compute the minimum value of that group */
3c3ed070 113 error_bits = (idx >> FIO_IO_U_PLAT_BITS) - 1;
c8b44cfa 114 base = ((unsigned long long) 1) << (error_bits + FIO_IO_U_PLAT_BITS);
83349190
YH		 115
116 /* Find its bucket number of the group */
117 k = idx % FIO_IO_U_PLAT_VAL;
118
119 /* Return the mean of the range of the bucket */
120 return base + ((k + 0.5) * (1 << error_bits));
121}
122
123static int double_cmp(const void *a, const void *b)
124{
802ad4a8
JA		 125 const fio_fp64_t fa = *(const fio_fp64_t *) a;
126 const fio_fp64_t fb = *(const fio_fp64_t *) b;
83349190
YH		 127 int cmp = 0;
128
802ad4a8 129 if (fa.u.f > fb.u.f)
83349190 130 cmp = 1;
802ad4a8 131 else if (fa.u.f < fb.u.f)
83349190
YH		 132 cmp = -1;
133
134 return cmp;
135}
136
6cc0e5aa 137unsigned int calc_clat_percentiles(uint64_t *io_u_plat, unsigned long long nr,
d6bb626e
VF		 138 fio_fp64_t *plist, unsigned long long **output,
139 unsigned long long *maxv, unsigned long long *minv)
83349190 140{
447b94e1 141 unsigned long long sum = 0;
1db92cb6
JA		 142 unsigned int len, i, j = 0;
143 unsigned int oval_len = 0;
d6bb626e 144 unsigned long long *ovals = NULL;
8985b491 145 bool is_last;
1db92cb6 146
d6bb626e 147 *minv = -1ULL;
1db92cb6 148 *maxv = 0;
83349190 149
802ad4a8
JA		 150 len = 0;
151 while (len < FIO_IO_U_LIST_MAX_LEN && plist[len].u.f != 0.0)
152 len++;
716050f2 153
351de8de 154 if (!len)
1db92cb6 155 return 0;
351de8de 156
716050f2 157 /*
802ad4a8
JA		 158 * Sort the percentile list. Note that it may already be sorted if
159 * we are using the default values, but since it's a short list this
160 * isn't a worry. Also note that this does not work for NaN values.
716050f2 161 */
802ad4a8 162 if (len > 1)
3c3ed070 163 qsort((void *)plist, len, sizeof(plist[0]), double_cmp);
83349190 164
4f6f8298
JA		 165 /*
166 * Calculate bucket values, note down max and min values
167 */
8985b491 168 is_last = false;
07511a63 169 for (i = 0; i < FIO_IO_U_PLAT_NR && !is_last; i++) {
83349190 170 sum += io_u_plat[i];
802ad4a8
JA		 171 while (sum >= (plist[j].u.f / 100.0 * nr)) {
172 assert(plist[j].u.f <= 100.0);
83349190 173
4f6f8298
JA		 174 if (j == oval_len) {
175 oval_len += 100;
d6bb626e 176 ovals = realloc(ovals, oval_len * sizeof(*ovals));
4f6f8298
JA		 177 }
178
179 ovals[j] = plat_idx_to_val(i);
1db92cb6
JA		 180 if (ovals[j] < *minv)
181 *minv = ovals[j];
182 if (ovals[j] > *maxv)
183 *maxv = ovals[j];
07511a63 184
8985b491 185 is_last = (j == len - 1) != 0;
07511a63
JA		 186 if (is_last)
187 break;
188
4f6f8298
JA		 189 j++;
190 }
191 }
83349190 192
1db92cb6
JA		 193 *output = ovals;
194 return len;
195}
196
197/*
198 * Find and display the p-th percentile of clat
199 */
6cc0e5aa 200static void show_clat_percentiles(uint64_t *io_u_plat, unsigned long long nr,
a666cab8 201 fio_fp64_t *plist, unsigned int precision,
b2b3eefe 202 const char *pre, struct buf_output *out)
1db92cb6 203{
d6bb626e
VF		 204 unsigned int divisor, len, i, j = 0;
205 unsigned long long minv, maxv;
206 unsigned long long *ovals;
8985b491 207 int per_line, scale_down, time_width;
8985b491 208 bool is_last;
eef02441 209 char fmt[32];
1db92cb6
JA		 210
211 len = calc_clat_percentiles(io_u_plat, nr, plist, &ovals, &maxv, &minv);
b2b3eefe 212 if (!len || !ovals)
1db92cb6
JA		 213 goto out;
214
4f6f8298 215 /*
d6bb626e
VF		 216 * We default to nsecs, but if the value range is such that we
217 * should scale down to usecs or msecs, do that.
4f6f8298 218 */
d6bb626e
VF		 219 if (minv > 2000000 && maxv > 99999999ULL) {
220 scale_down = 2;
221 divisor = 1000000;
b599759b 222 log_buf(out, " %s percentiles (msec):\n |", pre);
d6bb626e
VF		 223 } else if (minv > 2000 && maxv > 99999) {
224 scale_down = 1;
225 divisor = 1000;
b599759b 226 log_buf(out, " %s percentiles (usec):\n |", pre);
4f6f8298
JA		 227 } else {
228 scale_down = 0;
d6bb626e 229 divisor = 1;
b599759b 230 log_buf(out, " %s percentiles (nsec):\n |", pre);
4f6f8298 231 }
83349190 232
619adf9c 233
d6bb626e 234 time_width = max(5, (int) (log10(maxv / divisor) + 1));
74558486
JA		 235 snprintf(fmt, sizeof(fmt), " %%%u.%ufth=[%%%dllu]%%c", precision + 3,
236 precision, time_width);
237 /* fmt will be something like " %5.2fth=[%4llu]%c" */
d6bb626e 238 per_line = (80 - 7) / (precision + 10 + time_width);
81ab0b3a 239
d6bb626e 240 for (j = 0; j < len; j++) {
4f6f8298 241 /* for formatting */
eef02441 242 if (j != 0 && (j % per_line) == 0)
a666cab8 243 log_buf(out, " |");
83349190 244
4f6f8298 245 /* end of the list */
8985b491 246 is_last = (j == len - 1) != 0;
83349190 247
d6bb626e 248 for (i = 0; i < scale_down; i++)
4f6f8298
JA		 249 ovals[j] = (ovals[j] + 999) / 1000;
250
d6bb626e 251 log_buf(out, fmt, plist[j].u.f, ovals[j], is_last ? '\n' : ',');
4f6f8298
JA		 252
253 if (is_last)
254 break;
255
eef02441 256 if ((j % per_line) == per_line - 1) /* for formatting */
a666cab8 257 log_buf(out, "\n");
83349190 258 }
4f6f8298 259
1db92cb6 260out:
4f6f8298
JA		 261 if (ovals)
262 free(ovals);
83349190
YH		 263}
264
74558486
JA		 265bool calc_lat(struct io_stat *is, unsigned long long *min,
266 unsigned long long *max, double *mean, double *dev)
3c39a379 267{
ee0ccb79 268 double n = (double) is->samples;
3c39a379 269
ee0ccb79 270 if (n == 0)
8aa89d70 271 return false;
3c39a379
JA		 272
273 *min = is->min_val;
274 *max = is->max_val;
802ad4a8 275 *mean = is->mean.u.f;
e6d276f2 276
68704084 277 if (n > 1.0)
802ad4a8 278 *dev = sqrt(is->S.u.f / (n - 1.0));
ef9c5c40 279 else
4b43f54e 280 *dev = 0;
ef9c5c40 281
8aa89d70 282 return true;
3c39a379
JA		 283}
284
a666cab8 285void show_group_stats(struct group_run_stats *rs, struct buf_output *out)
3c39a379 286{
d694a6a7
RE		 287 char *io, *agg, *min, *max;
288 char *ioalt, *aggalt, *minalt, *maxalt;
42da5c8b 289 const char *str[] = { " READ", " WRITE" , " TRIM"};
dbe1125e
JA		 290 int i;
291
a666cab8 292 log_buf(out, "\nRun status group %d (all jobs):\n", rs->groupid);
3c39a379 293
6eaf09d6 294 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
90fef2d1
JA		 295 const int i2p = is_power_of_2(rs->kb_base);
296
dbe1125e
JA		 297 if (!rs->max_run[i])
298 continue;
299
e883cb35
JF		 300 io = num2str(rs->iobytes[i], rs->sig_figs, 1, i2p, N2S_BYTE);
301 ioalt = num2str(rs->iobytes[i], rs->sig_figs, 1, !i2p, N2S_BYTE);
302 agg = num2str(rs->agg[i], rs->sig_figs, 1, i2p, rs->unit_base);
303 aggalt = num2str(rs->agg[i], rs->sig_figs, 1, !i2p, rs->unit_base);
304 min = num2str(rs->min_bw[i], rs->sig_figs, 1, i2p, rs->unit_base);
305 minalt = num2str(rs->min_bw[i], rs->sig_figs, 1, !i2p, rs->unit_base);
306 max = num2str(rs->max_bw[i], rs->sig_figs, 1, i2p, rs->unit_base);
307 maxalt = num2str(rs->max_bw[i], rs->sig_figs, 1, !i2p, rs->unit_base);
d694a6a7 308 log_buf(out, "%s: bw=%s (%s), %s-%s (%s-%s), io=%s (%s), run=%llu-%llumsec\n",
42da5c8b 309 rs->unified_rw_rep ? " MIXED" : str[i],
d694a6a7 310 agg, aggalt, min, max, minalt, maxalt, io, ioalt,
4e0a8fa2
JA		 311 (unsigned long long) rs->min_run[i],
312 (unsigned long long) rs->max_run[i]);
dbe1125e 313
d694a6a7
RE		 314 free(io);
315 free(agg);
316 free(min);
317 free(max);
318 free(ioalt);
319 free(aggalt);
320 free(minalt);
321 free(maxalt);
dbe1125e 322 }
3c39a379
JA		 323}
324
6cc0e5aa 325void stat_calc_dist(uint64_t *map, unsigned long total, double *io_u_dist)
2270890c
JA		 326{
327 int i;
328
329 /*
330 * Do depth distribution calculations
331 */
332 for (i = 0; i < FIO_IO_U_MAP_NR; i++) {
838bc709
JA		 333 if (total) {
334 io_u_dist[i] = (double) map[i] / (double) total;
335 io_u_dist[i] *= 100.0;
336 if (io_u_dist[i] < 0.1 && map[i])
337 io_u_dist[i] = 0.1;
338 } else
339 io_u_dist[i] = 0.0;
2270890c
JA		 340 }
341}
342
04a0feae 343static void stat_calc_lat(struct thread_stat *ts, double *dst,
6cc0e5aa 344 uint64_t *src, int nr)
2270890c 345{
d79db122 346 unsigned long total = ddir_rw_sum(ts->total_io_u);
2270890c
JA		 347 int i;
348
349 /*
350 * Do latency distribution calculations
351 */
04a0feae 352 for (i = 0; i < nr; i++) {
838bc709
JA		 353 if (total) {
354 dst[i] = (double) src[i] / (double) total;
355 dst[i] *= 100.0;
356 if (dst[i] < 0.01 && src[i])
357 dst[i] = 0.01;
358 } else
359 dst[i] = 0.0;
2270890c
JA		 360 }
361}
362
247823cc
VF		 363/*
364 * To keep the terse format unaltered, add all of the ns latency
365 * buckets to the first us latency bucket
366 */
52e4c651 367static void stat_calc_lat_nu(struct thread_stat *ts, double *io_u_lat_u)
247823cc
VF		 368{
369 unsigned long ntotal = 0, total = ddir_rw_sum(ts->total_io_u);
370 int i;
371
372 stat_calc_lat(ts, io_u_lat_u, ts->io_u_lat_u, FIO_IO_U_LAT_U_NR);
373
374 for (i = 0; i < FIO_IO_U_LAT_N_NR; i++)
375 ntotal += ts->io_u_lat_n[i];
376
377 io_u_lat_u[0] += 100.0 * (double) ntotal / (double) total;
378}
379
d6bb626e
VF		 380void stat_calc_lat_n(struct thread_stat *ts, double *io_u_lat)
381{
382 stat_calc_lat(ts, io_u_lat, ts->io_u_lat_n, FIO_IO_U_LAT_N_NR);
383}
384
e5bd1347 385void stat_calc_lat_u(struct thread_stat *ts, double *io_u_lat)
04a0feae
JA		 386{
387 stat_calc_lat(ts, io_u_lat, ts->io_u_lat_u, FIO_IO_U_LAT_U_NR);
388}
389
e5bd1347 390void stat_calc_lat_m(struct thread_stat *ts, double *io_u_lat)
04a0feae
JA		 391{
392 stat_calc_lat(ts, io_u_lat, ts->io_u_lat_m, FIO_IO_U_LAT_M_NR);
393}
394
1a7081c7 395void display_lat(const char *name, unsigned long long min,
74558486
JA		 396 unsigned long long max, double mean, double dev,
397 struct buf_output *out)
ea2accc5 398{
d6bb626e 399 const char *base = "(nsec)";
b29ad562 400 char *minp, *maxp;
ea2accc5 401
d6bb626e 402 if (nsec_to_msec(&min, &max, &mean, &dev))
b29ad562 403 base = "(msec)";
d6bb626e
VF		 404 else if (nsec_to_usec(&min, &max, &mean, &dev))
405 base = "(usec)";
b29ad562 406
d694a6a7
RE		 407 minp = num2str(min, 6, 1, 0, N2S_NONE);
408 maxp = num2str(max, 6, 1, 0, N2S_NONE);
b29ad562 409
a666cab8 410 log_buf(out, " %s %s: min=%s, max=%s, avg=%5.02f,"
b29ad562
JA		 411 " stdev=%5.02f\n", name, base, minp, maxp, mean, dev);
412
413 free(minp);
414 free(maxp);
ea2accc5
JA		 415}
416
756867bd 417static void show_ddir_status(struct group_run_stats *rs, struct thread_stat *ts,
a666cab8 418 int ddir, struct buf_output *out)
3c39a379 419{
d6bb626e
VF		 420 unsigned long runt;
421 unsigned long long min, max, bw, iops;
3c39a379 422 double mean, dev;
fd5d733f 423 char *io_p, *bw_p, *bw_p_alt, *iops_p, *zbd_w_st = NULL;
90fef2d1 424 int i2p;
3c39a379 425
b2b3eefe
JA		 426 if (ddir_sync(ddir)) {
427 if (calc_lat(&ts->sync_stat, &min, &max, &mean, &dev)) {
428 log_buf(out, " %s:\n", "fsync/fdatasync/sync_file_range");
425d3e0e 429 display_lat(io_ddir_name(ddir), min, max, mean, dev, out);
b2b3eefe
JA		 430 show_clat_percentiles(ts->io_u_sync_plat,
431 ts->sync_stat.samples,
432 ts->percentile_list,
433 ts->percentile_precision,
425d3e0e 434 io_ddir_name(ddir), out);
b2b3eefe
JA		 435 }
436 return;
437 }
438
ff58fced
JA		 439 assert(ddir_rw(ddir));
440
756867bd 441 if (!ts->runtime[ddir])
3c39a379
JA		 442 return;
443
90fef2d1 444 i2p = is_power_of_2(rs->kb_base);
8879fd15
JA		 445 runt = ts->runtime[ddir];
446
447 bw = (1000 * ts->io_bytes[ddir]) / runt;
e883cb35
JF		 448 io_p = num2str(ts->io_bytes[ddir], ts->sig_figs, 1, i2p, N2S_BYTE);
449 bw_p = num2str(bw, ts->sig_figs, 1, i2p, ts->unit_base);
450 bw_p_alt = num2str(bw, ts->sig_figs, 1, !i2p, ts->unit_base);
8879fd15 451
0aacc50c 452 iops = (1000 * (uint64_t)ts->total_io_u[ddir]) / runt;
e883cb35 453 iops_p = num2str(iops, ts->sig_figs, 1, 0, N2S_NONE);
fd5d733f
BVA		 454 if (ddir == DDIR_WRITE)
455 zbd_w_st = zbd_write_status(ts);
dbe1125e 456
fd5d733f 457 log_buf(out, " %s: IOPS=%s, BW=%s (%s)(%s/%llumsec)%s\n",
425d3e0e 458 rs->unified_rw_rep ? "mixed" : io_ddir_name(ddir),
d694a6a7 459 iops_p, bw_p, bw_p_alt, io_p,
fd5d733f
BVA		 460 (unsigned long long) ts->runtime[ddir],
461 zbd_w_st ? : "");
dbe1125e 462
fd5d733f 463 free(zbd_w_st);
dbe1125e
JA		 464 free(io_p);
465 free(bw_p);
d694a6a7 466 free(bw_p_alt);
b3605062 467 free(iops_p);
3c39a379 468
b29ad562 469 if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev))
a666cab8 470 display_lat("slat", min, max, mean, dev, out);
b29ad562 471 if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev))
a666cab8 472 display_lat("clat", min, max, mean, dev, out);
b29ad562 473 if (calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev))
a666cab8 474 display_lat(" lat", min, max, mean, dev, out);
02af0988 475
b599759b 476 if (ts->clat_percentiles || ts->lat_percentiles) {
b2b3eefe 477 const char *name = ts->clat_percentiles ? "clat" : " lat";
af1600c1
SW		 478 uint64_t samples;
479
480 if (ts->clat_percentiles)
481 samples = ts->clat_stat[ddir].samples;
482 else
483 samples = ts->lat_stat[ddir].samples;
484
83349190 485 show_clat_percentiles(ts->io_u_plat[ddir],
af1600c1 486 samples,
435d195a 487 ts->percentile_list,
b2b3eefe 488 ts->percentile_precision, name, out);
83349190 489 }
079ad09b 490 if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) {
142c7f2d 491 double p_of_agg = 100.0, fkb_base = (double)rs->kb_base;
d694a6a7
RE		 492 const char *bw_str;
493
494 if ((rs->unit_base == 1) && i2p)
495 bw_str = "Kibit";
496 else if (rs->unit_base == 1)
497 bw_str = "kbit";
498 else if (i2p)
499 bw_str = "KiB";
500 else
501 bw_str = "kB";
d686990a 502
d1707474
SW		 503 if (rs->agg[ddir]) {
504 p_of_agg = mean * 100 / (double) (rs->agg[ddir] / 1024);
505 if (p_of_agg > 100.0)
506 p_of_agg = 100.0;
507 }
508
d686990a
SN		 509 if (rs->unit_base == 1) {
510 min *= 8.0;
511 max *= 8.0;
512 mean *= 8.0;
513 dev *= 8.0;
514 }
3c39a379 515
142c7f2d
SN		 516 if (mean > fkb_base * fkb_base) {
517 min /= fkb_base;
518 max /= fkb_base;
519 mean /= fkb_base;
520 dev /= fkb_base;
d694a6a7 521 bw_str = (rs->unit_base == 1 ? "Mibit" : "MiB");
b7017e32
JA		 522 }
523
54c05828 524 log_buf(out, " bw (%5s/s): min=%5llu, max=%5llu, per=%3.2f%%, "
29eb371b 525 "avg=%5.02f, stdev=%5.02f, samples=%" PRIu64 "\n",
54c05828
AH		 526 bw_str, min, max, p_of_agg, mean, dev,
527 (&ts->bw_stat[ddir])->samples);
3c39a379 528 }
188b6016 529 if (calc_lat(&ts->iops_stat[ddir], &min, &max, &mean, &dev)) {
21ba6606 530 log_buf(out, " iops : min=%5llu, max=%5llu, "
29eb371b 531 "avg=%5.02f, stdev=%5.02f, samples=%" PRIu64 "\n",
54c05828 532 min, max, mean, dev, (&ts->iops_stat[ddir])->samples);
188b6016 533 }
3c39a379
JA		 534}
535
8985b491
JA		 536static bool show_lat(double *io_u_lat, int nr, const char **ranges,
537 const char *msg, struct buf_output *out)
04a0feae 538{
8985b491
JA		 539 bool new_line = true, shown = false;
540 int i, line = 0;
04a0feae
JA		 541
542 for (i = 0; i < nr; i++) {
543 if (io_u_lat[i] <= 0.0)
544 continue;
8985b491 545 shown = true;
04a0feae 546 if (new_line) {
4539ed73 547 if (line)
a666cab8 548 log_buf(out, "\n");
4a19fcaa 549 log_buf(out, " lat (%s) : ", msg);
8985b491 550 new_line = false;
04a0feae
JA		 551 line = 0;
552 }
553 if (line)
a666cab8
JA		 554 log_buf(out, ", ");
555 log_buf(out, "%s%3.2f%%", ranges[i], io_u_lat[i]);
04a0feae
JA		 556 line++;
557 if (line == 5)
8985b491 558 new_line = true;
04a0feae 559 }
7e1773ba
JA		 560
561 if (shown)
a666cab8 562 log_buf(out, "\n");
7e1773ba 563
8985b491 564 return true;
04a0feae
JA		 565}
566
d6bb626e
VF		 567static void show_lat_n(double *io_u_lat_n, struct buf_output *out)
568{
569 const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=",
570 "250=", "500=", "750=", "1000=", };
571
572 show_lat(io_u_lat_n, FIO_IO_U_LAT_N_NR, ranges, "nsec", out);
573}
574
a666cab8 575static void show_lat_u(double *io_u_lat_u, struct buf_output *out)
04a0feae
JA		 576{
577 const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=",
578 "250=", "500=", "750=", "1000=", };
579
a666cab8 580 show_lat(io_u_lat_u, FIO_IO_U_LAT_U_NR, ranges, "usec", out);
04a0feae
JA		 581}
582
a666cab8 583static void show_lat_m(double *io_u_lat_m, struct buf_output *out)
04a0feae
JA		 584{
585 const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=",
586 "250=", "500=", "750=", "1000=", "2000=",
587 ">=2000=", };
588
a666cab8 589 show_lat(io_u_lat_m, FIO_IO_U_LAT_M_NR, ranges, "msec", out);
04a0feae
JA		 590}
591
a666cab8 592static void show_latencies(struct thread_stat *ts, struct buf_output *out)
04a0feae 593{
d6bb626e 594 double io_u_lat_n[FIO_IO_U_LAT_N_NR];
c551f65a
JA		 595 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
596 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
597
d6bb626e 598 stat_calc_lat_n(ts, io_u_lat_n);
5a18988e
JA		 599 stat_calc_lat_u(ts, io_u_lat_u);
600 stat_calc_lat_m(ts, io_u_lat_m);
601
d6bb626e 602 show_lat_n(io_u_lat_n, out);
a666cab8
JA		 603 show_lat_u(io_u_lat_u, out);
604 show_lat_m(io_u_lat_m, out);
04a0feae
JA		 605}
606
66347cfa
DE		 607static int block_state_category(int block_state)
608{
609 switch (block_state) {
610 case BLOCK_STATE_UNINIT:
611 return 0;
612 case BLOCK_STATE_TRIMMED:
613 case BLOCK_STATE_WRITTEN:
614 return 1;
615 case BLOCK_STATE_WRITE_FAILURE:
616 case BLOCK_STATE_TRIM_FAILURE:
617 return 2;
618 default:
081c2dc3 619 /* Silence compile warning on some BSDs and have a return */
66347cfa 620 assert(0);
07ff5841 621 return -1;
66347cfa
DE		 622 }
623}
624
625static int compare_block_infos(const void *bs1, const void *bs2)
626{
5fff9543
JF		 627 uint64_t block1 = *(uint64_t *)bs1;
628 uint64_t block2 = *(uint64_t *)bs2;
66347cfa
DE		 629 int state1 = BLOCK_INFO_STATE(block1);
630 int state2 = BLOCK_INFO_STATE(block2);
631 int bscat1 = block_state_category(state1);
632 int bscat2 = block_state_category(state2);
633 int cycles1 = BLOCK_INFO_TRIMS(block1);
634 int cycles2 = BLOCK_INFO_TRIMS(block2);
635
636 if (bscat1 < bscat2)
637 return -1;
638 if (bscat1 > bscat2)
639 return 1;
640
641 if (cycles1 < cycles2)
642 return -1;
643 if (cycles1 > cycles2)
644 return 1;
645
646 if (state1 < state2)
647 return -1;
648 if (state1 > state2)
649 return 1;
650
651 assert(block1 == block2);
652 return 0;
653}
654
655static int calc_block_percentiles(int nr_block_infos, uint32_t *block_infos,
656 fio_fp64_t *plist, unsigned int **percentiles,
657 unsigned int *types)
658{
659 int len = 0;
660 int i, nr_uninit;
661
662 qsort(block_infos, nr_block_infos, sizeof(uint32_t), compare_block_infos);
663
664 while (len < FIO_IO_U_LIST_MAX_LEN && plist[len].u.f != 0.0)
665 len++;
666
667 if (!len)
668 return 0;
669
670 /*
671 * Sort the percentile list. Note that it may already be sorted if
672 * we are using the default values, but since it's a short list this
673 * isn't a worry. Also note that this does not work for NaN values.
674 */
675 if (len > 1)
676 qsort((void *)plist, len, sizeof(plist[0]), double_cmp);
677
66347cfa
DE		 678 /* Start only after the uninit entries end */
679 for (nr_uninit = 0;
680 nr_uninit < nr_block_infos
681 && BLOCK_INFO_STATE(block_infos[nr_uninit]) == BLOCK_STATE_UNINIT;
682 nr_uninit ++)
683 ;
684
685 if (nr_uninit == nr_block_infos)
686 return 0;
687
688 *percentiles = calloc(len, sizeof(**percentiles));
689
690 for (i = 0; i < len; i++) {
691 int idx = (plist[i].u.f * (nr_block_infos - nr_uninit) / 100)
692 + nr_uninit;
693 (*percentiles)[i] = BLOCK_INFO_TRIMS(block_infos[idx]);
694 }
695
696 memset(types, 0, sizeof(*types) * BLOCK_STATE_COUNT);
697 for (i = 0; i < nr_block_infos; i++)
698 types[BLOCK_INFO_STATE(block_infos[i])]++;
699
700 return len;
701}
702
703static const char *block_state_names[] = {
704 [BLOCK_STATE_UNINIT] = "unwritten",
705 [BLOCK_STATE_TRIMMED] = "trimmed",
706 [BLOCK_STATE_WRITTEN] = "written",
707 [BLOCK_STATE_TRIM_FAILURE] = "trim failure",
708 [BLOCK_STATE_WRITE_FAILURE] = "write failure",
709};
710
711static void show_block_infos(int nr_block_infos, uint32_t *block_infos,
a666cab8 712 fio_fp64_t *plist, struct buf_output *out)
66347cfa
DE		 713{
714 int len, pos, i;
715 unsigned int *percentiles = NULL;
716 unsigned int block_state_counts[BLOCK_STATE_COUNT];
717
718 len = calc_block_percentiles(nr_block_infos, block_infos, plist,
719 &percentiles, block_state_counts);
720
a666cab8 721 log_buf(out, " block lifetime percentiles :\n |");
66347cfa
DE		 722 pos = 0;
723 for (i = 0; i < len; i++) {
724 uint32_t block_info = percentiles[i];
725#define LINE_LENGTH 75
726 char str[LINE_LENGTH];
727 int strln = snprintf(str, LINE_LENGTH, " %3.2fth=%u%c",
728 plist[i].u.f, block_info,
729 i == len - 1 ? '\n' : ',');
730 assert(strln < LINE_LENGTH);
731 if (pos + strln > LINE_LENGTH) {
732 pos = 0;
a666cab8 733 log_buf(out, "\n |");
66347cfa 734 }
a666cab8 735 log_buf(out, "%s", str);
66347cfa
DE		 736 pos += strln;
737#undef LINE_LENGTH
738 }
739 if (percentiles)
740 free(percentiles);
741
a666cab8 742 log_buf(out, " states :");
66347cfa 743 for (i = 0; i < BLOCK_STATE_COUNT; i++)
a666cab8 744 log_buf(out, " %s=%u%c",
66347cfa
DE		 745 block_state_names[i], block_state_counts[i],
746 i == BLOCK_STATE_COUNT - 1 ? '\n' : ',');
747}
748
d685adfb
VF		 749static void show_ss_normal(struct thread_stat *ts, struct buf_output *out)
750{
d694a6a7 751 char *p1, *p1alt, *p2;
d685adfb
VF		 752 unsigned long long bw_mean, iops_mean;
753 const int i2p = is_power_of_2(ts->kb_base);
754
0c13c969 755 if (!ts->ss_dur)
d685adfb
VF		 756 return;
757
bb49c8bd
VF		 758 bw_mean = steadystate_bw_mean(ts);
759 iops_mean = steadystate_iops_mean(ts);
d685adfb 760
e883cb35
JF		 761 p1 = num2str(bw_mean / ts->kb_base, ts->sig_figs, ts->kb_base, i2p, ts->unit_base);
762 p1alt = num2str(bw_mean / ts->kb_base, ts->sig_figs, ts->kb_base, !i2p, ts->unit_base);
763 p2 = num2str(iops_mean, ts->sig_figs, 1, 0, N2S_NONE);
d685adfb 764
d694a6a7 765 log_buf(out, " steadystate : attained=%s, bw=%s (%s), iops=%s, %s%s=%.3f%s\n",
c8caba48 766 ts->ss_state & FIO_SS_ATTAINED ? "yes" : "no",
d694a6a7 767 p1, p1alt, p2,
c8caba48
JA		 768 ts->ss_state & FIO_SS_IOPS ? "iops" : "bw",
769 ts->ss_state & FIO_SS_SLOPE ? " slope": " mean dev",
bb49c8bd 770 ts->ss_criterion.u.f,
c8caba48 771 ts->ss_state & FIO_SS_PCT ? "%" : "");
d685adfb
VF		 772
773 free(p1);
d694a6a7 774 free(p1alt);
d685adfb
VF		 775 free(p2);
776}
777
10aa136b 778static void show_thread_status_normal(struct thread_stat *ts,
a666cab8
JA		 779 struct group_run_stats *rs,
780 struct buf_output *out)
3c39a379
JA		 781{
782 double usr_cpu, sys_cpu;
69008999 783 unsigned long runtime;
71619dc2 784 double io_u_dist[FIO_IO_U_MAP_NR];
57a64324 785 time_t time_p;
35326842 786 char time_buf[32];
3c39a379 787
9966af7b 788 if (!ddir_rw_sum(ts->io_bytes) && !ddir_rw_sum(ts->total_io_u))
3c39a379 789 return;
33477b4b
JS		 790
791 memset(time_buf, 0, sizeof(time_buf));
3c39a379 792
57a64324 793 time(&time_p);
45054cbe 794 os_ctime_r((const time_t *) &time_p, time_buf, sizeof(time_buf));
57a64324 795
5ec10eaa 796 if (!ts->error) {
a666cab8 797 log_buf(out, "%s: (groupid=%d, jobs=%d): err=%2d: pid=%d: %s",
5ec10eaa 798 ts->name, ts->groupid, ts->members,
57a64324 799 ts->error, (int) ts->pid, time_buf);
5ec10eaa 800 } else {
a666cab8 801 log_buf(out, "%s: (groupid=%d, jobs=%d): err=%2d (%s): pid=%d: %s",
5ec10eaa 802 ts->name, ts->groupid, ts->members,
57a64324
JA		 803 ts->error, ts->verror, (int) ts->pid,
804 time_buf);
5ec10eaa 805 }
3c39a379 806
259e47de 807 if (strlen(ts->description))
a666cab8 808 log_buf(out, " Description : [%s]\n", ts->description);
7bdce1bd 809
756867bd 810 if (ts->io_bytes[DDIR_READ])
a666cab8 811 show_ddir_status(rs, ts, DDIR_READ, out);
756867bd 812 if (ts->io_bytes[DDIR_WRITE])
a666cab8 813 show_ddir_status(rs, ts, DDIR_WRITE, out);
6eaf09d6 814 if (ts->io_bytes[DDIR_TRIM])
a666cab8 815 show_ddir_status(rs, ts, DDIR_TRIM, out);
3c39a379 816
a666cab8 817 show_latencies(ts, out);
7e1773ba 818
b2b3eefe
JA		 819 if (ts->sync_stat.samples)
820 show_ddir_status(rs, ts, DDIR_SYNC, out);
821
756867bd 822 runtime = ts->total_run_time;
69008999 823 if (runtime) {
1e97cce9 824 double runt = (double) runtime;
3c39a379 825
756867bd
JA		 826 usr_cpu = (double) ts->usr_time * 100 / runt;
827 sys_cpu = (double) ts->sys_time * 100 / runt;
3c39a379
JA		 828 } else {
829 usr_cpu = 0;
830 sys_cpu = 0;
831 }
832
a666cab8 833 log_buf(out, " cpu : usr=%3.2f%%, sys=%3.2f%%, ctx=%llu,"
4e0a8fa2
JA		 834 " majf=%llu, minf=%llu\n", usr_cpu, sys_cpu,
835 (unsigned long long) ts->ctx,
836 (unsigned long long) ts->majf,
837 (unsigned long long) ts->minf);
71619dc2 838
d79db122 839 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
a666cab8 840 log_buf(out, " IO depths : 1=%3.1f%%, 2=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%,"
5ec10eaa
JA		 841 " 16=%3.1f%%, 32=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0],
842 io_u_dist[1], io_u_dist[2],
843 io_u_dist[3], io_u_dist[4],
844 io_u_dist[5], io_u_dist[6]);
838bc709
JA		 845
846 stat_calc_dist(ts->io_u_submit, ts->total_submit, io_u_dist);
a666cab8 847 log_buf(out, " submit : 0=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%, 16=%3.1f%%,"
838bc709
JA		 848 " 32=%3.1f%%, 64=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0],
849 io_u_dist[1], io_u_dist[2],
850 io_u_dist[3], io_u_dist[4],
851 io_u_dist[5], io_u_dist[6]);
852 stat_calc_dist(ts->io_u_complete, ts->total_complete, io_u_dist);
a666cab8 853 log_buf(out, " complete : 0=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%, 16=%3.1f%%,"
838bc709
JA		 854 " 32=%3.1f%%, 64=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0],
855 io_u_dist[1], io_u_dist[2],
856 io_u_dist[3], io_u_dist[4],
857 io_u_dist[5], io_u_dist[6]);
7f3ecee2
JA		 858 log_buf(out, " issued rwts: total=%llu,%llu,%llu,%llu"
859 " short=%llu,%llu,%llu,0"
860 " dropped=%llu,%llu,%llu,0\n",
4e0a8fa2
JA		 861 (unsigned long long) ts->total_io_u[0],
862 (unsigned long long) ts->total_io_u[1],
863 (unsigned long long) ts->total_io_u[2],
7f3ecee2 864 (unsigned long long) ts->total_io_u[3],
4e0a8fa2
JA		 865 (unsigned long long) ts->short_io_u[0],
866 (unsigned long long) ts->short_io_u[1],
3bcb9d94
JA		 867 (unsigned long long) ts->short_io_u[2],
868 (unsigned long long) ts->drop_io_u[0],
869 (unsigned long long) ts->drop_io_u[1],
870 (unsigned long long) ts->drop_io_u[2]);
f2bba182 871 if (ts->continue_on_error) {
a666cab8 872 log_buf(out, " errors : total=%llu, first_error=%d/<%s>\n",
4e0a8fa2 873 (unsigned long long)ts->total_err_count,
1ec99eea
JA		 874 ts->first_error,
875 strerror(ts->first_error));
f2bba182 876 }
3e260a46 877 if (ts->latency_depth) {
a666cab8 878 log_buf(out, " latency : target=%llu, window=%llu, percentile=%.2f%%, depth=%u\n",
3e260a46
JA		 879 (unsigned long long)ts->latency_target,
880 (unsigned long long)ts->latency_window,
881 ts->latency_percentile.u.f,
882 ts->latency_depth);
883 }
66347cfa
DE		 884
885 if (ts->nr_block_infos)
886 show_block_infos(ts->nr_block_infos, ts->block_infos,
a666cab8 887 ts->percentile_list, out);
d685adfb 888
bb49c8bd 889 if (ts->ss_dur)
d685adfb 890 show_ss_normal(ts, out);
1a7081c7
JA		 891
892 if (lat_ts_has_stats(ts)) {
893 log_buf(out, " Stepped latency report\n");
894 lat_step_report(ts, out);
895 }
3c39a379
JA		 896}
897
756867bd 898static void show_ddir_status_terse(struct thread_stat *ts,
a666cab8 899 struct group_run_stats *rs, int ddir,
a2c95580 900 int ver, struct buf_output *out)
c6ae0a5b 901{
d6bb626e
VF		 902 unsigned long long min, max, minv, maxv, bw, iops;
903 unsigned long long *ovals = NULL;
c6ae0a5b 904 double mean, dev;
d6bb626e 905 unsigned int len;
a2c95580 906 int i, bw_stat;
c6ae0a5b 907
ff58fced
JA		 908 assert(ddir_rw(ddir));
909
312b4af2
JA		 910 iops = bw = 0;
911 if (ts->runtime[ddir]) {
912 uint64_t runt = ts->runtime[ddir];
913
420b104a 914 bw = ((1000 * ts->io_bytes[ddir]) / runt) / 1024; /* KiB/s */
312b4af2
JA		 915 iops = (1000 * (uint64_t) ts->total_io_u[ddir]) / runt;
916 }
c6ae0a5b 917
a666cab8 918 log_buf(out, ";%llu;%llu;%llu;%llu",
4e0a8fa2
JA		 919 (unsigned long long) ts->io_bytes[ddir] >> 10, bw, iops,
920 (unsigned long long) ts->runtime[ddir]);
c6ae0a5b 921
079ad09b 922 if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev))
247823cc 923 log_buf(out, ";%llu;%llu;%f;%f", min/1000, max/1000, mean/1000, dev/1000);
c6ae0a5b 924 else
d6bb626e 925 log_buf(out, ";%llu;%llu;%f;%f", 0ULL, 0ULL, 0.0, 0.0);
c6ae0a5b 926
079ad09b 927 if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev))
247823cc 928 log_buf(out, ";%llu;%llu;%f;%f", min/1000, max/1000, mean/1000, dev/1000);
c6ae0a5b 929 else
d6bb626e 930 log_buf(out, ";%llu;%llu;%f;%f", 0ULL, 0ULL, 0.0, 0.0);
c6ae0a5b 931
b599759b 932 if (ts->clat_percentiles || ts->lat_percentiles) {
1db92cb6
JA		 933 len = calc_clat_percentiles(ts->io_u_plat[ddir],
934 ts->clat_stat[ddir].samples,
935 ts->percentile_list, &ovals, &maxv,
936 &minv);
937 } else
938 len = 0;
939
940 for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) {
941 if (i >= len) {
a666cab8 942 log_buf(out, ";0%%=0");
1db92cb6
JA		 943 continue;
944 }
247823cc 945 log_buf(out, ";%f%%=%llu", ts->percentile_list[i].u.f, ovals[i]/1000);
1db92cb6 946 }
2341a37a
K		 947
948 if (calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev))
247823cc 949 log_buf(out, ";%llu;%llu;%f;%f", min/1000, max/1000, mean/1000, dev/1000);
2341a37a 950 else
d6bb626e 951 log_buf(out, ";%llu;%llu;%f;%f", 0ULL, 0ULL, 0.0, 0.0);
2341a37a 952
1db92cb6
JA		 953 if (ovals)
954 free(ovals);
955
a2c95580
AH		 956 bw_stat = calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev);
957 if (bw_stat) {
19d3e967
JA		 958 double p_of_agg = 100.0;
959
960 if (rs->agg[ddir]) {
d1707474 961 p_of_agg = mean * 100 / (double) (rs->agg[ddir] / 1024);
19d3e967
JA		 962 if (p_of_agg > 100.0)
963 p_of_agg = 100.0;
964 }
c6ae0a5b 965
d6bb626e 966 log_buf(out, ";%llu;%llu;%f%%;%f;%f", min, max, p_of_agg, mean, dev);
c6ae0a5b 967 } else
d6bb626e 968 log_buf(out, ";%llu;%llu;%f%%;%f;%f", 0ULL, 0ULL, 0.0, 0.0, 0.0);
a2c95580
AH		 969
970 if (ver == 5) {
971 if (bw_stat)
29eb371b 972 log_buf(out, ";%" PRIu64, (&ts->bw_stat[ddir])->samples);
a2c95580
AH		 973 else
974 log_buf(out, ";%lu", 0UL);
975
976 if (calc_lat(&ts->iops_stat[ddir], &min, &max, &mean, &dev))
29eb371b 977 log_buf(out, ";%llu;%llu;%f;%f;%" PRIu64, min, max,
a2c95580
AH		 978 mean, dev, (&ts->iops_stat[ddir])->samples);
979 else
980 log_buf(out, ";%llu;%llu;%f;%f;%lu", 0ULL, 0ULL, 0.0, 0.0, 0UL);
981 }
c6ae0a5b
JA		 982}
983
cc372b17
SL		 984static void add_ddir_status_json(struct thread_stat *ts,
985 struct group_run_stats *rs, int ddir, struct json_object *parent)
986{
d6bb626e 987 unsigned long long min, max, minv, maxv;
aedd021d 988 unsigned long long bw_bytes, bw;
d6bb626e 989 unsigned long long *ovals = NULL;
9f68fe3a 990 double mean, dev, iops;
d6bb626e 991 unsigned int len;
cc372b17 992 int i;
24cab44e 993 struct json_object *dir_object, *tmp_object, *percentile_object, *clat_bins_object = NULL;
cc372b17
SL		 994 char buf[120];
995 double p_of_agg = 100.0;
996
b2b3eefe 997 assert(ddir_rw(ddir) || ddir_sync(ddir));
cc372b17 998
771e58be
JA		 999 if (ts->unified_rw_rep && ddir != DDIR_READ)
1000 return;
1001
cc372b17 1002 dir_object = json_create_object();
771e58be 1003 json_object_add_value_object(parent,
425d3e0e 1004 ts->unified_rw_rep ? "mixed" : io_ddir_name(ddir), dir_object);
cc372b17 1005
b2b3eefe
JA		 1006 if (ddir_rw(ddir)) {
1007 bw_bytes = 0;
1008 bw = 0;
1009 iops = 0.0;
1010 if (ts->runtime[ddir]) {
1011 uint64_t runt = ts->runtime[ddir];
cc372b17 1012
b2b3eefe
JA		 1013 bw_bytes = ((1000 * ts->io_bytes[ddir]) / runt); /* Bytes/s */
1014 bw = bw_bytes / 1024; /* KiB/s */
1015 iops = (1000.0 * (uint64_t) ts->total_io_u[ddir]) / runt;
1016 }
cc372b17 1017
b2b3eefe
JA		 1018 json_object_add_value_int(dir_object, "io_bytes", ts->io_bytes[ddir]);
1019 json_object_add_value_int(dir_object, "io_kbytes", ts->io_bytes[ddir] >> 10);
1020 json_object_add_value_int(dir_object, "bw_bytes", bw_bytes);
1021 json_object_add_value_int(dir_object, "bw", bw);
1022 json_object_add_value_float(dir_object, "iops", iops);
1023 json_object_add_value_int(dir_object, "runtime", ts->runtime[ddir]);
1024 json_object_add_value_int(dir_object, "total_ios", ts->total_io_u[ddir]);
1025 json_object_add_value_int(dir_object, "short_ios", ts->short_io_u[ddir]);
1026 json_object_add_value_int(dir_object, "drop_ios", ts->drop_io_u[ddir]);
1027
1028 if (!calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev)) {
1029 min = max = 0;
1030 mean = dev = 0.0;
1031 }
1032 tmp_object = json_create_object();
1033 json_object_add_value_object(dir_object, "slat_ns", tmp_object);
1034 json_object_add_value_int(tmp_object, "min", min);
1035 json_object_add_value_int(tmp_object, "max", max);
1036 json_object_add_value_float(tmp_object, "mean", mean);
1037 json_object_add_value_float(tmp_object, "stddev", dev);
1038
1039 if (!calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev)) {
1040 min = max = 0;
1041 mean = dev = 0.0;
1042 }
1043 tmp_object = json_create_object();
1044 json_object_add_value_object(dir_object, "clat_ns", tmp_object);
1045 json_object_add_value_int(tmp_object, "min", min);
1046 json_object_add_value_int(tmp_object, "max", max);
1047 json_object_add_value_float(tmp_object, "mean", mean);
1048 json_object_add_value_float(tmp_object, "stddev", dev);
1049 } else {
1050 if (!calc_lat(&ts->sync_stat, &min, &max, &mean, &dev)) {
1051 min = max = 0;
1052 mean = dev = 0.0;
1053 }
cc372b17 1054
b2b3eefe
JA		 1055 tmp_object = json_create_object();
1056 json_object_add_value_object(dir_object, "lat_ns", tmp_object);
f5ec8123 1057 json_object_add_value_int(dir_object, "total_ios", ts->total_io_u[DDIR_SYNC]);
b2b3eefe
JA		 1058 json_object_add_value_int(tmp_object, "min", min);
1059 json_object_add_value_int(tmp_object, "max", max);
1060 json_object_add_value_float(tmp_object, "mean", mean);
1061 json_object_add_value_float(tmp_object, "stddev", dev);
cc372b17 1062 }
cc372b17 1063
b599759b 1064 if (ts->clat_percentiles || ts->lat_percentiles) {
b2b3eefe 1065 if (ddir_rw(ddir)) {
9f2cd5e0
JA		 1066 uint64_t samples;
1067
1068 if (ts->clat_percentiles)
1069 samples = ts->clat_stat[ddir].samples;
1070 else
1071 samples = ts->lat_stat[ddir].samples;
1072
b2b3eefe 1073 len = calc_clat_percentiles(ts->io_u_plat[ddir],
9f2cd5e0
JA		 1074 samples, ts->percentile_list, &ovals,
1075 &maxv, &minv);
b2b3eefe
JA		 1076 } else {
1077 len = calc_clat_percentiles(ts->io_u_sync_plat,
1078 ts->sync_stat.samples,
1079 ts->percentile_list, &ovals, &maxv,
1080 &minv);
1081 }
1082
702bd977
JA		 1083 if (len > FIO_IO_U_LIST_MAX_LEN)
1084 len = FIO_IO_U_LIST_MAX_LEN;
cc372b17
SL		 1085 } else
1086 len = 0;
1087
1088 percentile_object = json_create_object();
1089 json_object_add_value_object(tmp_object, "percentile", percentile_object);
702bd977 1090 for (i = 0; i < len; i++) {
435d195a 1091 snprintf(buf, sizeof(buf), "%f", ts->percentile_list[i].u.f);
cc372b17
SL		 1092 json_object_add_value_int(percentile_object, (const char *)buf, ovals[i]);
1093 }
1094
513e37ee
VF		 1095 if (output_format & FIO_OUTPUT_JSON_PLUS) {
1096 clat_bins_object = json_create_object();
24cab44e
VF		 1097 if (ts->clat_percentiles)
1098 json_object_add_value_object(tmp_object, "bins", clat_bins_object);
1099
513e37ee 1100 for(i = 0; i < FIO_IO_U_PLAT_NR; i++) {
b2b3eefe
JA		 1101 if (ddir_rw(ddir)) {
1102 if (ts->io_u_plat[ddir][i]) {
1103 snprintf(buf, sizeof(buf), "%llu", plat_idx_to_val(i));
1104 json_object_add_value_int(clat_bins_object, (const char *)buf, ts->io_u_plat[ddir][i]);
1105 }
1106 } else {
1107 if (ts->io_u_sync_plat[i]) {
1108 snprintf(buf, sizeof(buf), "%llu", plat_idx_to_val(i));
1109 json_object_add_value_int(clat_bins_object, (const char *)buf, ts->io_u_sync_plat[i]);
1110 }
129e4193 1111 }
513e37ee 1112 }
513e37ee
VF		 1113 }
1114
b2b3eefe
JA		 1115 if (!ddir_rw(ddir))
1116 return;
1117
cc372b17
SL		 1118 if (!calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev)) {
1119 min = max = 0;
1120 mean = dev = 0.0;
1121 }
1122 tmp_object = json_create_object();
d6bb626e 1123 json_object_add_value_object(dir_object, "lat_ns", tmp_object);
cc372b17
SL		 1124 json_object_add_value_int(tmp_object, "min", min);
1125 json_object_add_value_int(tmp_object, "max", max);
1126 json_object_add_value_float(tmp_object, "mean", mean);
1127 json_object_add_value_float(tmp_object, "stddev", dev);
24cab44e
VF		 1128 if (output_format & FIO_OUTPUT_JSON_PLUS && ts->lat_percentiles)
1129 json_object_add_value_object(tmp_object, "bins", clat_bins_object);
1130
cc372b17
SL		 1131 if (ovals)
1132 free(ovals);
1133
b9e1b491 1134 if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) {
cc372b17 1135 if (rs->agg[ddir]) {
d1707474 1136 p_of_agg = mean * 100 / (double) (rs->agg[ddir] / 1024);
cc372b17
SL		 1137 if (p_of_agg > 100.0)
1138 p_of_agg = 100.0;
1139 }
1140 } else {
1141 min = max = 0;
1142 p_of_agg = mean = dev = 0.0;
1143 }
1144 json_object_add_value_int(dir_object, "bw_min", min);
1145 json_object_add_value_int(dir_object, "bw_max", max);
a806bf2e 1146 json_object_add_value_float(dir_object, "bw_agg", p_of_agg);
cc372b17
SL		 1147 json_object_add_value_float(dir_object, "bw_mean", mean);
1148 json_object_add_value_float(dir_object, "bw_dev", dev);
54c05828
AH		 1149 json_object_add_value_int(dir_object, "bw_samples",
1150 (&ts->bw_stat[ddir])->samples);
188b6016
AH		 1151
1152 if (!calc_lat(&ts->iops_stat[ddir], &min, &max, &mean, &dev)) {
1153 min = max = 0;
1154 mean = dev = 0.0;
1155 }
1156 json_object_add_value_int(dir_object, "iops_min", min);
1157 json_object_add_value_int(dir_object, "iops_max", max);
1158 json_object_add_value_float(dir_object, "iops_mean", mean);
1159 json_object_add_value_float(dir_object, "iops_stddev", dev);
54c05828
AH		 1160 json_object_add_value_int(dir_object, "iops_samples",
1161 (&ts->iops_stat[ddir])->samples);
cc372b17
SL		 1162}
1163
bef2112b
AH		 1164static void show_thread_status_terse_all(struct thread_stat *ts,
1165 struct group_run_stats *rs, int ver,
1166 struct buf_output *out)
4d658652
JA		 1167{
1168 double io_u_dist[FIO_IO_U_MAP_NR];
1169 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
1170 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
1171 double usr_cpu, sys_cpu;
1172 int i;
1173
1174 /* General Info */
bef2112b
AH		 1175 if (ver == 2)
1176 log_buf(out, "2;%s;%d;%d", ts->name, ts->groupid, ts->error);
1177 else
1178 log_buf(out, "%d;%s;%s;%d;%d", ver, fio_version_string,
1179 ts->name, ts->groupid, ts->error);
c6ae0a5b 1180
562c2d2f 1181 /* Log Read Status */
a2c95580 1182 show_ddir_status_terse(ts, rs, DDIR_READ, ver, out);
562c2d2f 1183 /* Log Write Status */
a2c95580 1184 show_ddir_status_terse(ts, rs, DDIR_WRITE, ver, out);
6eaf09d6 1185 /* Log Trim Status */
a2c95580
AH		 1186 if (ver == 2 || ver == 4 || ver == 5)
1187 show_ddir_status_terse(ts, rs, DDIR_TRIM, ver, out);
c6ae0a5b 1188
562c2d2f 1189 /* CPU Usage */
756867bd
JA		 1190 if (ts->total_run_time) {
1191 double runt = (double) ts->total_run_time;
c6ae0a5b 1192
756867bd
JA		 1193 usr_cpu = (double) ts->usr_time * 100 / runt;
1194 sys_cpu = (double) ts->sys_time * 100 / runt;
c6ae0a5b
JA		 1195 } else {
1196 usr_cpu = 0;
1197 sys_cpu = 0;
1198 }
1199
a666cab8 1200 log_buf(out, ";%f%%;%f%%;%llu;%llu;%llu", usr_cpu, sys_cpu,
4e0a8fa2
JA		 1201 (unsigned long long) ts->ctx,
1202 (unsigned long long) ts->majf,
1203 (unsigned long long) ts->minf);
2270890c 1204
562c2d2f 1205 /* Calc % distribution of IO depths, usecond, msecond latency */
d79db122 1206 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
247823cc 1207 stat_calc_lat_nu(ts, io_u_lat_u);
04a0feae 1208 stat_calc_lat_m(ts, io_u_lat_m);
2270890c 1209
562c2d2f 1210 /* Only show fixed 7 I/O depth levels*/
a666cab8 1211 log_buf(out, ";%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%",
5ec10eaa
JA		 1212 io_u_dist[0], io_u_dist[1], io_u_dist[2], io_u_dist[3],
1213 io_u_dist[4], io_u_dist[5], io_u_dist[6]);
2270890c 1214
562c2d2f 1215 /* Microsecond latency */
04a0feae 1216 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++)
a666cab8 1217 log_buf(out, ";%3.2f%%", io_u_lat_u[i]);
562c2d2f 1218 /* Millisecond latency */
04a0feae 1219 for (i = 0; i < FIO_IO_U_LAT_M_NR; i++)
a666cab8 1220 log_buf(out, ";%3.2f%%", io_u_lat_m[i]);
f2f788dd
JA		 1221
1222 /* disk util stats, if any */
24a97130 1223 if (ver >= 3 && is_running_backend())
bef2112b 1224 show_disk_util(1, NULL, out);
f2f788dd 1225
562c2d2f 1226 /* Additional output if continue_on_error set - default off*/
f2bba182 1227 if (ts->continue_on_error)
a666cab8 1228 log_buf(out, ";%llu;%d", (unsigned long long) ts->total_err_count, ts->first_error);
bef2112b
AH		 1229 if (ver == 2)
1230 log_buf(out, "\n");
2270890c 1231
562c2d2f 1232 /* Additional output if description is set */
4b0f2258 1233 if (strlen(ts->description))
a666cab8 1234 log_buf(out, ";%s", ts->description);
946e4276 1235
a666cab8 1236 log_buf(out, "\n");
756867bd
JA		 1237}
1238
a89ba4b1 1239static void json_add_job_opts(struct json_object *root, const char *name,
0cf542af 1240 struct flist_head *opt_list)
66e19a38
JA		 1241{
1242 struct json_object *dir_object;
1243 struct flist_head *entry;
1244 struct print_option *p;
1245
1246 if (flist_empty(opt_list))
1247 return;
1248
1249 dir_object = json_create_object();
1250 json_object_add_value_object(root, name, dir_object);
1251
1252 flist_for_each(entry, opt_list) {
1253 const char *pos = "";
1254
1255 p = flist_entry(entry, struct print_option, list);
1256 if (p->value)
1257 pos = p->value;
1258 json_object_add_value_string(dir_object, p->name, pos);
1259 }
1260}
1261
cc372b17 1262static struct json_object *show_thread_status_json(struct thread_stat *ts,
66e19a38
JA		 1263 struct group_run_stats *rs,
1264 struct flist_head *opt_list)
cc372b17
SL		 1265{
1266 struct json_object *root, *tmp;
b01af66b 1267 struct jobs_eta *je;
cc372b17 1268 double io_u_dist[FIO_IO_U_MAP_NR];
d6bb626e 1269 double io_u_lat_n[FIO_IO_U_LAT_N_NR];
cc372b17
SL		 1270 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
1271 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
1272 double usr_cpu, sys_cpu;
1a7081c7 1273 int i, j;
b01af66b
CJ		 1274 size_t size;
1275
cc372b17
SL		 1276 root = json_create_object();
1277 json_object_add_value_string(root, "jobname", ts->name);
1278 json_object_add_value_int(root, "groupid", ts->groupid);
1279 json_object_add_value_int(root, "error", ts->error);
1280
b01af66b 1281 /* ETA Info */
c5103619 1282 je = get_jobs_eta(true, &size);
2de615ad
JA		 1283 if (je) {
1284 json_object_add_value_int(root, "eta", je->eta_sec);
1285 json_object_add_value_int(root, "elapsed", je->elapsed_sec);
1286 }
b01af66b 1287
66e19a38 1288 if (opt_list)
0cf542af 1289 json_add_job_opts(root, "job options", opt_list);
66e19a38 1290
cc372b17
SL		 1291 add_ddir_status_json(ts, rs, DDIR_READ, root);
1292 add_ddir_status_json(ts, rs, DDIR_WRITE, root);
f3afa57e 1293 add_ddir_status_json(ts, rs, DDIR_TRIM, root);
b2b3eefe 1294 add_ddir_status_json(ts, rs, DDIR_SYNC, root);
cc372b17
SL		 1295
1296 /* CPU Usage */
1297 if (ts->total_run_time) {
1298 double runt = (double) ts->total_run_time;
1299
1300 usr_cpu = (double) ts->usr_time * 100 / runt;
1301 sys_cpu = (double) ts->sys_time * 100 / runt;
1302 } else {
1303 usr_cpu = 0;
1304 sys_cpu = 0;
1305 }
bcbb4c6c 1306 json_object_add_value_int(root, "job_runtime", ts->total_run_time);
cc372b17
SL		 1307 json_object_add_value_float(root, "usr_cpu", usr_cpu);
1308 json_object_add_value_float(root, "sys_cpu", sys_cpu);
1309 json_object_add_value_int(root, "ctx", ts->ctx);
1310 json_object_add_value_int(root, "majf", ts->majf);
1311 json_object_add_value_int(root, "minf", ts->minf);
1312
ec3e3648 1313 /* Calc % distribution of IO depths */
d79db122 1314 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
cc372b17
SL		 1315 tmp = json_create_object();
1316 json_object_add_value_object(root, "iodepth_level", tmp);
1317 /* Only show fixed 7 I/O depth levels*/
1318 for (i = 0; i < 7; i++) {
1319 char name[20];
1320 if (i < 6)
98ffb8f3 1321 snprintf(name, 20, "%d", 1 << i);
cc372b17 1322 else
98ffb8f3 1323 snprintf(name, 20, ">=%d", 1 << i);
cc372b17
SL		 1324 json_object_add_value_float(tmp, (const char *)name, io_u_dist[i]);
1325 }
1326
ec3e3648
VF		 1327 /* Calc % distribution of submit IO depths */
1328 stat_calc_dist(ts->io_u_submit, ts->total_submit, io_u_dist);
1329 tmp = json_create_object();
1330 json_object_add_value_object(root, "iodepth_submit", tmp);
1331 /* Only show fixed 7 I/O depth levels*/
1332 for (i = 0; i < 7; i++) {
1333 char name[20];
1334 if (i == 0)
1335 snprintf(name, 20, "0");
1336 else if (i < 6)
1337 snprintf(name, 20, "%d", 1 << (i+1));
1338 else
1339 snprintf(name, 20, ">=%d", 1 << i);
1340 json_object_add_value_float(tmp, (const char *)name, io_u_dist[i]);
1341 }
1342
1343 /* Calc % distribution of completion IO depths */
1344 stat_calc_dist(ts->io_u_complete, ts->total_complete, io_u_dist);
1345 tmp = json_create_object();
1346 json_object_add_value_object(root, "iodepth_complete", tmp);
1347 /* Only show fixed 7 I/O depth levels*/
1348 for (i = 0; i < 7; i++) {
1349 char name[20];
1350 if (i == 0)
1351 snprintf(name, 20, "0");
1352 else if (i < 6)
1353 snprintf(name, 20, "%d", 1 << (i+1));
1354 else
1355 snprintf(name, 20, ">=%d", 1 << i);
1356 json_object_add_value_float(tmp, (const char *)name, io_u_dist[i]);
1357 }
1358
1359 /* Calc % distribution of nsecond, usecond, msecond latency */
1360 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
1361 stat_calc_lat_n(ts, io_u_lat_n);
1362 stat_calc_lat_u(ts, io_u_lat_u);
1363 stat_calc_lat_m(ts, io_u_lat_m);
1364
d6bb626e 1365 /* Nanosecond latency */
cc372b17 1366 tmp = json_create_object();
d6bb626e
VF		 1367 json_object_add_value_object(root, "latency_ns", tmp);
1368 for (i = 0; i < FIO_IO_U_LAT_N_NR; i++) {
1369 const char *ranges[] = { "2", "4", "10", "20", "50", "100",
1370 "250", "500", "750", "1000", };
1371 json_object_add_value_float(tmp, ranges[i], io_u_lat_n[i]);
1372 }
cc372b17 1373 /* Microsecond latency */
d6bb626e
VF		 1374 tmp = json_create_object();
1375 json_object_add_value_object(root, "latency_us", tmp);
cc372b17
SL		 1376 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) {
1377 const char *ranges[] = { "2", "4", "10", "20", "50", "100",
1378 "250", "500", "750", "1000", };
1379 json_object_add_value_float(tmp, ranges[i], io_u_lat_u[i]);
1380 }
1381 /* Millisecond latency */
1382 tmp = json_create_object();
1383 json_object_add_value_object(root, "latency_ms", tmp);
1384 for (i = 0; i < FIO_IO_U_LAT_M_NR; i++) {
1385 const char *ranges[] = { "2", "4", "10", "20", "50", "100",
1386 "250", "500", "750", "1000", "2000",
1387 ">=2000", };
1388 json_object_add_value_float(tmp, ranges[i], io_u_lat_m[i]);
1389 }
1390
1391 /* Additional output if continue_on_error set - default off*/
1392 if (ts->continue_on_error) {
1393 json_object_add_value_int(root, "total_err", ts->total_err_count);
952b05e0 1394 json_object_add_value_int(root, "first_error", ts->first_error);
cc372b17
SL		 1395 }
1396
3e260a46
JA		 1397 if (ts->latency_depth) {
1398 json_object_add_value_int(root, "latency_depth", ts->latency_depth);
1399 json_object_add_value_int(root, "latency_target", ts->latency_target);
1400 json_object_add_value_float(root, "latency_percentile", ts->latency_percentile.u.f);
1401 json_object_add_value_int(root, "latency_window", ts->latency_window);
1402 }
1403
cc372b17
SL		 1404 /* Additional output if description is set */
1405 if (strlen(ts->description))
1406 json_object_add_value_string(root, "desc", ts->description);
1407
66347cfa
DE		 1408 if (ts->nr_block_infos) {
1409 /* Block error histogram and types */
1410 int len;
1411 unsigned int *percentiles = NULL;
1412 unsigned int block_state_counts[BLOCK_STATE_COUNT];
1413
1414 len = calc_block_percentiles(ts->nr_block_infos, ts->block_infos,
1415 ts->percentile_list,
1416 &percentiles, block_state_counts);
1417
1418 if (len) {
1419 struct json_object *block, *percentile_object, *states;
8a68c41c 1420 int state;
66347cfa
DE		 1421 block = json_create_object();
1422 json_object_add_value_object(root, "block", block);
1423
1424 percentile_object = json_create_object();
1425 json_object_add_value_object(block, "percentiles",
1426 percentile_object);
1427 for (i = 0; i < len; i++) {
1428 char buf[20];
1429 snprintf(buf, sizeof(buf), "%f",
1430 ts->percentile_list[i].u.f);
1431 json_object_add_value_int(percentile_object,
1432 (const char *)buf,
1433 percentiles[i]);
1434 }
1435
1436 states = json_create_object();
1437 json_object_add_value_object(block, "states", states);
1438 for (state = 0; state < BLOCK_STATE_COUNT; state++) {
1439 json_object_add_value_int(states,
1440 block_state_names[state],
1441 block_state_counts[state]);
1442 }
1443 free(percentiles);
1444 }
1445 }
1446
bb49c8bd 1447 if (ts->ss_dur) {
ba8fb6f6
VF		 1448 struct json_object *data;
1449 struct json_array *iops, *bw;
a43f4461 1450 int j, k, l;
6da94b07 1451 char ss_buf[64];
16e56d25 1452
6da94b07 1453 snprintf(ss_buf, sizeof(ss_buf), "%s%s:%f%s",
c8caba48
JA		 1454 ts->ss_state & FIO_SS_IOPS ? "iops" : "bw",
1455 ts->ss_state & FIO_SS_SLOPE ? "_slope" : "",
bb49c8bd 1456 (float) ts->ss_limit.u.f,
c8caba48 1457 ts->ss_state & FIO_SS_PCT ? "%" : "");
16e56d25
VF		 1458
1459 tmp = json_create_object();
1460 json_object_add_value_object(root, "steadystate", tmp);
6da94b07 1461 json_object_add_value_string(tmp, "ss", ss_buf);
bb49c8bd 1462 json_object_add_value_int(tmp, "duration", (int)ts->ss_dur);
c8caba48 1463 json_object_add_value_int(tmp, "attained", (ts->ss_state & FIO_SS_ATTAINED) > 0);
6da94b07 1464
bb49c8bd 1465 snprintf(ss_buf, sizeof(ss_buf), "%f%s", (float) ts->ss_criterion.u.f,
c8caba48 1466 ts->ss_state & FIO_SS_PCT ? "%" : "");
6da94b07 1467 json_object_add_value_string(tmp, "criterion", ss_buf);
bb49c8bd
VF		 1468 json_object_add_value_float(tmp, "max_deviation", ts->ss_deviation.u.f);
1469 json_object_add_value_float(tmp, "slope", ts->ss_slope.u.f);
ba8fb6f6
VF		 1470
1471 data = json_create_object();
1472 json_object_add_value_object(tmp, "data", data);
1473 bw = json_create_array();
1474 iops = json_create_array();
412c7d91
VF		 1475
1476 /*
1477 ** if ss was attained or the buffer is not full,
1478 ** ss->head points to the first element in the list.
1479 ** otherwise it actually points to the second element
1480 ** in the list
1481 */
c8caba48 1482 if ((ts->ss_state & FIO_SS_ATTAINED) || !(ts->ss_state & FIO_SS_BUFFER_FULL))
bb49c8bd 1483 j = ts->ss_head;
412c7d91 1484 else
bb49c8bd 1485 j = ts->ss_head == 0 ? ts->ss_dur - 1 : ts->ss_head - 1;
a43f4461
JA		 1486 for (l = 0; l < ts->ss_dur; l++) {
1487 k = (j + l) % ts->ss_dur;
bb49c8bd
VF		 1488 json_array_add_value_int(bw, ts->ss_bw_data[k]);
1489 json_array_add_value_int(iops, ts->ss_iops_data[k]);
16e56d25 1490 }
bb49c8bd
VF		 1491 json_object_add_value_int(data, "bw_mean", steadystate_bw_mean(ts));
1492 json_object_add_value_int(data, "iops_mean", steadystate_iops_mean(ts));
6da94b07
VF		 1493 json_object_add_value_array(data, "iops", iops);
1494 json_object_add_value_array(data, "bw", bw);
16e56d25
VF		 1495 }
1496
1a7081c7
JA		 1497 if (lat_ts_has_stats(ts)) {
1498 tmp = json_create_object();
1499 json_object_add_value_object(root, "lat_step", tmp);
1500 }
1501
1502 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
1503 struct json_object *val;
1504
1505 if (!__lat_ts_has_stats(ts, i))
1506 continue;
1507
1508 val = json_create_object();
1509 json_object_add_value_object(tmp, io_ddir_name(i), val);
1510
1511 for (j = 0; j < ARRAY_SIZE(ts->step_stats); j++) {
1512 struct lat_step_stats *ls = &ts->step_stats[j];
1513 char name[32];
1514
1515 if (!ls->iops[i])
1516 continue;
1517
1518 sprintf(name, "%llu", (unsigned long long) ls->iops[i]);
1519 json_object_add_value_float(val, name, ls->avg[i].u.f);
1520 }
1521 }
1522
cc372b17
SL		 1523 return root;
1524}
1525
4d658652 1526static void show_thread_status_terse(struct thread_stat *ts,
a666cab8
JA		 1527 struct group_run_stats *rs,
1528 struct buf_output *out)
4d658652 1529{
a2c95580 1530 if (terse_version >= 2 && terse_version <= 5)
bef2112b 1531 show_thread_status_terse_all(ts, rs, terse_version, out);
4d658652
JA		 1532 else
1533 log_err("fio: bad terse version!? %d\n", terse_version);
1534}
1535
952b05e0 1536struct json_object *show_thread_status(struct thread_stat *ts,
a666cab8 1537 struct group_run_stats *rs,
0279b880 1538 struct flist_head *opt_list,
a666cab8 1539 struct buf_output *out)
952b05e0 1540{
129fb2d4
JA		 1541 struct json_object *ret = NULL;
1542
1543 if (output_format & FIO_OUTPUT_TERSE)
a666cab8 1544 show_thread_status_terse(ts, rs, out);
129fb2d4 1545 if (output_format & FIO_OUTPUT_JSON)
0279b880 1546 ret = show_thread_status_json(ts, rs, opt_list);
129fb2d4 1547 if (output_format & FIO_OUTPUT_NORMAL)
a666cab8 1548 show_thread_status_normal(ts, rs, out);
129fb2d4
JA		 1549
1550 return ret;
952b05e0
CF		 1551}
1552
fd595830 1553static void sum_stat(struct io_stat *dst, struct io_stat *src, bool first)
756867bd
JA		 1554{
1555 double mean, S;
1556
e09231c2
ZL		 1557 if (src->samples == 0)
1558 return;
1559
756867bd
JA		 1560 dst->min_val = min(dst->min_val, src->min_val);
1561 dst->max_val = max(dst->max_val, src->max_val);
756867bd
JA		 1562
1563 /*
cdcac5cf
YH		 1564 * Compute new mean and S after the merge
1565 * <http://en.wikipedia.org/wiki/Algorithms_for_calculating_variance
1566 * #Parallel_algorithm>
756867bd 1567 */
fd595830 1568 if (first) {
802ad4a8
JA		 1569 mean = src->mean.u.f;
1570 S = src->S.u.f;
756867bd 1571 } else {
802ad4a8 1572 double delta = src->mean.u.f - dst->mean.u.f;
cdcac5cf 1573
802ad4a8
JA		 1574 mean = ((src->mean.u.f * src->samples) +
1575 (dst->mean.u.f * dst->samples)) /
cdcac5cf
YH		 1576 (dst->samples + src->samples);
1577
802ad4a8 1578 S = src->S.u.f + dst->S.u.f + pow(delta, 2.0) *
cdcac5cf
YH		 1579 (dst->samples * src->samples) /
1580 (dst->samples + src->samples);
756867bd
JA		 1581 }
1582
cdcac5cf 1583 dst->samples += src->samples;
802ad4a8
JA		 1584 dst->mean.u.f = mean;
1585 dst->S.u.f = S;
756867bd
JA		 1586}
1587
1a7081c7
JA		 1588static void sum_lat_step_stats(struct lat_step_stats *dst,
1589 struct lat_step_stats *src, bool first)
1590{
1591 int i;
1592
1593 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
1594 if (!dst->iops[i] && !src->iops[i])
1595 continue;
1596 if (first)
1597 dst->avg[i].u.f = src->avg[i].u.f;
1598 else {
1599 dst->avg[i].u.f = ((src->avg[i].u.f * src->iops[i]) +
1600 (dst->avg[i].u.f * dst->iops[i])) /
1601 (dst->iops[i] + src->iops[i]);
1602 }
1603 dst->iops[i] += src->iops[i];
1604 }
1605}
1606
37f0c1ae
JA		 1607void sum_group_stats(struct group_run_stats *dst, struct group_run_stats *src)
1608{
1609 int i;
1610
6eaf09d6 1611 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
37f0c1ae
JA		 1612 if (dst->max_run[i] < src->max_run[i])
1613 dst->max_run[i] = src->max_run[i];
1614 if (dst->min_run[i] && dst->min_run[i] > src->min_run[i])
1615 dst->min_run[i] = src->min_run[i];
1616 if (dst->max_bw[i] < src->max_bw[i])
1617 dst->max_bw[i] = src->max_bw[i];
1618 if (dst->min_bw[i] && dst->min_bw[i] > src->min_bw[i])
1619 dst->min_bw[i] = src->min_bw[i];
1620
af7f87cb 1621 dst->iobytes[i] += src->iobytes[i];
37f0c1ae
JA		 1622 dst->agg[i] += src->agg[i];
1623 }
1624
dbae1bd6
JA		 1625 if (!dst->kb_base)
1626 dst->kb_base = src->kb_base;
1627 if (!dst->unit_base)
1628 dst->unit_base = src->unit_base;
18aa1998
JF		 1629 if (!dst->sig_figs)
1630 dst->sig_figs = src->sig_figs;
37f0c1ae
JA		 1631}
1632
fd595830
JA		 1633void sum_thread_stats(struct thread_stat *dst, struct thread_stat *src,
1634 bool first)
5b9babb7
JA		 1635{
1636 int l, k;
1637
6eaf09d6 1638 for (l = 0; l < DDIR_RWDIR_CNT; l++) {
771e58be 1639 if (!dst->unified_rw_rep) {
fd595830
JA		 1640 sum_stat(&dst->clat_stat[l], &src->clat_stat[l], first);
1641 sum_stat(&dst->slat_stat[l], &src->slat_stat[l], first);
1642 sum_stat(&dst->lat_stat[l], &src->lat_stat[l], first);
1643 sum_stat(&dst->bw_stat[l], &src->bw_stat[l], first);
188b6016 1644 sum_stat(&dst->iops_stat[l], &src->iops_stat[l], first);
771e58be
JA		 1645
1646 dst->io_bytes[l] += src->io_bytes[l];
1647
1648 if (dst->runtime[l] < src->runtime[l])
1649 dst->runtime[l] = src->runtime[l];
1650 } else {
fd595830
JA		 1651 sum_stat(&dst->clat_stat[0], &src->clat_stat[l], first);
1652 sum_stat(&dst->slat_stat[0], &src->slat_stat[l], first);
1653 sum_stat(&dst->lat_stat[0], &src->lat_stat[l], first);
1654 sum_stat(&dst->bw_stat[0], &src->bw_stat[l], first);
188b6016 1655 sum_stat(&dst->iops_stat[0], &src->iops_stat[l], first);
771e58be
JA		 1656
1657 dst->io_bytes[0] += src->io_bytes[l];
1658
1659 if (dst->runtime[0] < src->runtime[l])
1660 dst->runtime[0] = src->runtime[l];
fd595830
JA		 1661
1662 /*
1663 * We're summing to the same destination, so override
1664 * 'first' after the first iteration of the loop
1665 */
1666 first = false;
771e58be 1667 }
5b9babb7
JA		 1668 }
1669
b2b3eefe 1670 sum_stat(&dst->sync_stat, &src->sync_stat, first);
5b9babb7
JA		 1671 dst->usr_time += src->usr_time;
1672 dst->sys_time += src->sys_time;
1673 dst->ctx += src->ctx;
1674 dst->majf += src->majf;
1675 dst->minf += src->minf;
1676
b2b3eefe 1677 for (k = 0; k < FIO_IO_U_MAP_NR; k++) {
5b9babb7 1678 dst->io_u_map[k] += src->io_u_map[k];
5b9babb7 1679 dst->io_u_submit[k] += src->io_u_submit[k];
5b9babb7 1680 dst->io_u_complete[k] += src->io_u_complete[k];
b2b3eefe
JA		 1681 }
1682 for (k = 0; k < FIO_IO_U_LAT_N_NR; k++) {
d6bb626e 1683 dst->io_u_lat_n[k] += src->io_u_lat_n[k];
5b9babb7 1684 dst->io_u_lat_u[k] += src->io_u_lat_u[k];
5b9babb7 1685 dst->io_u_lat_m[k] += src->io_u_lat_m[k];
b2b3eefe
JA		 1686 }
1687 for (k = 0; k < FIO_IO_U_PLAT_NR; k++)
1688 dst->io_u_sync_plat[k] += src->io_u_sync_plat[k];
5b9babb7 1689
6eaf09d6 1690 for (k = 0; k < DDIR_RWDIR_CNT; k++) {
771e58be
JA		 1691 if (!dst->unified_rw_rep) {
1692 dst->total_io_u[k] += src->total_io_u[k];
1693 dst->short_io_u[k] += src->short_io_u[k];
3bcb9d94 1694 dst->drop_io_u[k] += src->drop_io_u[k];
771e58be
JA		 1695 } else {
1696 dst->total_io_u[0] += src->total_io_u[k];
1697 dst->short_io_u[0] += src->short_io_u[k];
3bcb9d94 1698 dst->drop_io_u[0] += src->drop_io_u[k];
771e58be 1699 }
5b9babb7
JA		 1700 }
1701
7f3ecee2
JA		 1702 dst->total_io_u[DDIR_SYNC] += src->total_io_u[DDIR_SYNC];
1703
6eaf09d6 1704 for (k = 0; k < DDIR_RWDIR_CNT; k++) {
5b9babb7 1705 int m;
771e58be
JA		 1706
1707 for (m = 0; m < FIO_IO_U_PLAT_NR; m++) {
1708 if (!dst->unified_rw_rep)
1709 dst->io_u_plat[k][m] += src->io_u_plat[k][m];
1710 else
1711 dst->io_u_plat[0][m] += src->io_u_plat[k][m];
1712 }
5b9babb7
JA		 1713 }
1714
1715 dst->total_run_time += src->total_run_time;
1716 dst->total_submit += src->total_submit;
1717 dst->total_complete += src->total_complete;
fd5d733f 1718 dst->nr_zone_resets += src->nr_zone_resets;
1a7081c7
JA		 1719
1720 for (l = 0; l < ARRAY_SIZE(dst->step_stats); l++)
1721 sum_lat_step_stats(&dst->step_stats[l], &src->step_stats[l], first);
5b9babb7
JA		 1722}
1723
37f0c1ae
JA		 1724void init_group_run_stat(struct group_run_stats *gs)
1725{
6eaf09d6 1726 int i;
37f0c1ae 1727 memset(gs, 0, sizeof(*gs));
6eaf09d6
SL		 1728
1729 for (i = 0; i < DDIR_RWDIR_CNT; i++)
1730 gs->min_bw[i] = gs->min_run[i] = ~0UL;
37f0c1ae
JA		 1731}
1732
1733void init_thread_stat(struct thread_stat *ts)
1734{
1735 int j;
1736
1737 memset(ts, 0, sizeof(*ts));
1738
6eaf09d6 1739 for (j = 0; j < DDIR_RWDIR_CNT; j++) {
37f0c1ae
JA		 1740 ts->lat_stat[j].min_val = -1UL;
1741 ts->clat_stat[j].min_val = -1UL;
1742 ts->slat_stat[j].min_val = -1UL;
1743 ts->bw_stat[j].min_val = -1UL;
188b6016 1744 ts->iops_stat[j].min_val = -1UL;
37f0c1ae 1745 }
7f3ecee2 1746 ts->sync_stat.min_val = -1UL;
37f0c1ae
JA		 1747 ts->groupid = -1;
1748}
1749
83f7b64e 1750void __show_run_stats(void)
3c39a379
JA		 1751{
1752 struct group_run_stats *runstats, *rs;
1753 struct thread_data *td;
756867bd 1754 struct thread_stat *threadstats, *ts;
4da24b69 1755 int i, j, k, nr_ts, last_ts, idx;
8985b491
JA		 1756 bool kb_base_warned = false;
1757 bool unit_base_warned = false;
cc372b17
SL		 1758 struct json_object *root = NULL;
1759 struct json_array *array = NULL;
a666cab8 1760 struct buf_output output[FIO_OUTPUT_NR];
66e19a38 1761 struct flist_head **opt_lists;
a666cab8 1762
3c39a379
JA		 1763 runstats = malloc(sizeof(struct group_run_stats) * (groupid + 1));
1764
37f0c1ae
JA		 1765 for (i = 0; i < groupid + 1; i++)
1766 init_group_run_stat(&runstats[i]);
3c39a379 1767
1a7081c7
JA		 1768 for (i = 0; i < FIO_OUTPUT_NR; i++)
1769 buf_output_init(&output[i]);
1770
756867bd
JA		 1771 /*
1772 * find out how many threads stats we need. if group reporting isn't
1773 * enabled, it's one-per-td.
1774 */
1775 nr_ts = 0;
1776 last_ts = -1;
1777 for_each_td(td, i) {
2dc1bbeb 1778 if (!td->o.group_reporting) {
756867bd
JA		 1779 nr_ts++;
1780 continue;
1781 }
1782 if (last_ts == td->groupid)
1783 continue;
8243be59
JA		 1784 if (!td->o.stats)
1785 continue;
756867bd
JA		 1786
1787 last_ts = td->groupid;
1788 nr_ts++;
1789 }
1790
1791 threadstats = malloc(nr_ts * sizeof(struct thread_stat));
66e19a38 1792 opt_lists = malloc(nr_ts * sizeof(struct flist_head *));
756867bd 1793
66e19a38 1794 for (i = 0; i < nr_ts; i++) {
37f0c1ae 1795 init_thread_stat(&threadstats[i]);
66e19a38
JA		 1796 opt_lists[i] = NULL;
1797 }
756867bd
JA		 1798
1799 j = 0;
1800 last_ts = -1;
197574e4 1801 idx = 0;
34572e28 1802 for_each_td(td, i) {
8243be59
JA		 1803 if (!td->o.stats)
1804 continue;
2dc1bbeb
JA		 1805 if (idx && (!td->o.group_reporting ||
1806 (td->o.group_reporting && last_ts != td->groupid))) {
7abd0e3a
JA		 1807 idx = 0;
1808 j++;
1809 }
1810
1811 last_ts = td->groupid;
1812
756867bd
JA		 1813 ts = &threadstats[j];
1814
83349190 1815 ts->clat_percentiles = td->o.clat_percentiles;
b599759b 1816 ts->lat_percentiles = td->o.lat_percentiles;
435d195a 1817 ts->percentile_precision = td->o.percentile_precision;
fd112d34 1818 memcpy(ts->percentile_list, td->o.percentile_list, sizeof(td->o.percentile_list));
66e19a38 1819 opt_lists[j] = &td->opt_list;
83349190 1820
197574e4 1821 idx++;
6586ee89 1822 ts->members++;
756867bd 1823
7abd0e3a 1824 if (ts->groupid == -1) {
2dc84ba7
JA		 1825 /*
1826 * These are per-group shared already
1827 */
4e59d0f3 1828 strncpy(ts->name, td->o.name, FIO_JOBNAME_SIZE - 1);
a64e88da
JA		 1829 if (td->o.description)
1830 strncpy(ts->description, td->o.description,
4e59d0f3 1831 FIO_JOBDESC_SIZE - 1);
a64e88da 1832 else
4e59d0f3 1833 memset(ts->description, 0, FIO_JOBDESC_SIZE);
a64e88da 1834
2f122b13
JA		 1835 /*
1836 * If multiple entries in this group, this is
1837 * the first member.
1838 */
1839 ts->thread_number = td->thread_number;
756867bd 1840 ts->groupid = td->groupid;
2dc84ba7
JA		 1841
1842 /*
1843 * first pid in group, not very useful...
1844 */
756867bd 1845 ts->pid = td->pid;
90fef2d1
JA		 1846
1847 ts->kb_base = td->o.kb_base;
ad705bcb 1848 ts->unit_base = td->o.unit_base;
e883cb35 1849 ts->sig_figs = td->o.sig_figs;
771e58be 1850 ts->unified_rw_rep = td->o.unified_rw_rep;
90fef2d1
JA		 1851 } else if (ts->kb_base != td->o.kb_base && !kb_base_warned) {
1852 log_info("fio: kb_base differs for jobs in group, using"
1853 " %u as the base\n", ts->kb_base);
8985b491 1854 kb_base_warned = true;
ad705bcb
SN		 1855 } else if (ts->unit_base != td->o.unit_base && !unit_base_warned) {
1856 log_info("fio: unit_base differs for jobs in group, using"
1857 " %u as the base\n", ts->unit_base);
8985b491 1858 unit_base_warned = true;
2dc84ba7
JA		 1859 }
1860
f2bba182
RR		 1861 ts->continue_on_error = td->o.continue_on_error;
1862 ts->total_err_count += td->total_err_count;
1863 ts->first_error = td->first_error;
1864 if (!ts->error) {
1865 if (!td->error && td->o.continue_on_error &&
1866 td->first_error) {
1867 ts->error = td->first_error;
3660ceae
JA		 1868 ts->verror[sizeof(ts->verror) - 1] = '\0';
1869 strncpy(ts->verror, td->verror, sizeof(ts->verror) - 1);
f2bba182
RR		 1870 } else if (td->error) {
1871 ts->error = td->error;
3660ceae
JA		 1872 ts->verror[sizeof(ts->verror) - 1] = '\0';
1873 strncpy(ts->verror, td->verror, sizeof(ts->verror) - 1);
f2bba182 1874 }
756867bd
JA		 1875 }
1876
3e260a46
JA		 1877 ts->latency_depth = td->latency_qd;
1878 ts->latency_target = td->o.latency_target;
1879 ts->latency_percentile = td->o.latency_percentile;
1880 ts->latency_window = td->o.latency_window;
1881
0e4dd95c 1882 ts->nr_block_infos = td->ts.nr_block_infos;
4da24b69
JA		 1883 for (k = 0; k < ts->nr_block_infos; k++)
1884 ts->block_infos[k] = td->ts.block_infos[k];
0e4dd95c 1885
fd595830 1886 sum_thread_stats(ts, &td->ts, idx == 1);
16e56d25 1887
bb49c8bd
VF		 1888 if (td->o.ss_dur) {
1889 ts->ss_state = td->ss.state;
1890 ts->ss_dur = td->ss.dur;
1891 ts->ss_head = td->ss.head;
bb49c8bd
VF		 1892 ts->ss_bw_data = td->ss.bw_data;
1893 ts->ss_iops_data = td->ss.iops_data;
1894 ts->ss_limit.u.f = td->ss.limit;
1895 ts->ss_slope.u.f = td->ss.slope;
1896 ts->ss_deviation.u.f = td->ss.deviation;
1897 ts->ss_criterion.u.f = td->ss.criterion;
1898 }
16e56d25 1899 else
bb49c8bd 1900 ts->ss_dur = ts->ss_state = 0;
756867bd
JA		 1901 }
1902
1903 for (i = 0; i < nr_ts; i++) {
94370ac4 1904 unsigned long long bw;
3c39a379 1905
756867bd 1906 ts = &threadstats[i];
dedb88eb
JA		 1907 if (ts->groupid == -1)
1908 continue;
756867bd 1909 rs = &runstats[ts->groupid];
90fef2d1 1910 rs->kb_base = ts->kb_base;
ad705bcb 1911 rs->unit_base = ts->unit_base;
e883cb35 1912 rs->sig_figs = ts->sig_figs;
771e58be 1913 rs->unified_rw_rep += ts->unified_rw_rep;
3c39a379 1914
6eaf09d6 1915 for (j = 0; j < DDIR_RWDIR_CNT; j++) {
94370ac4
JA		 1916 if (!ts->runtime[j])
1917 continue;
1918 if (ts->runtime[j] < rs->min_run[j] || !rs->min_run[j])
1919 rs->min_run[j] = ts->runtime[j];
1920 if (ts->runtime[j] > rs->max_run[j])
1921 rs->max_run[j] = ts->runtime[j];
1922
1923 bw = 0;
af7f87cb
RE		 1924 if (ts->runtime[j])
1925 bw = ts->io_bytes[j] * 1000 / ts->runtime[j];
94370ac4
JA		 1926 if (bw < rs->min_bw[j])
1927 rs->min_bw[j] = bw;
1928 if (bw > rs->max_bw[j])
1929 rs->max_bw[j] = bw;
1930
af7f87cb 1931 rs->iobytes[j] += ts->io_bytes[j];
94370ac4 1932 }
3c39a379
JA		 1933 }
1934
1935 for (i = 0; i < groupid + 1; i++) {
6eaf09d6
SL		 1936 int ddir;
1937
3c39a379
JA		 1938 rs = &runstats[i];
1939
6eaf09d6
SL		 1940 for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++) {
1941 if (rs->max_run[ddir])
af7f87cb 1942 rs->agg[ddir] = (rs->iobytes[ddir] * 1000) /
6eaf09d6
SL		 1943 rs->max_run[ddir];
1944 }
3c39a379
JA		 1945 }
1946
1947 /*
1948 * don't overwrite last signal output
1949 */
129fb2d4 1950 if (output_format & FIO_OUTPUT_NORMAL)
a666cab8 1951 log_buf(&output[__FIO_OUTPUT_NORMAL], "\n");
129fb2d4 1952 if (output_format & FIO_OUTPUT_JSON) {
66e19a38 1953 struct thread_data *global;
35326842 1954 char time_buf[32];
aa7d2ef0
RH		 1955 struct timeval now;
1956 unsigned long long ms_since_epoch;
afd74e2a 1957 time_t tv_sec;
91e53870 1958
aa7d2ef0
RH		 1959 gettimeofday(&now, NULL);
1960 ms_since_epoch = (unsigned long long)(now.tv_sec) * 1000 +
1961 (unsigned long long)(now.tv_usec) / 1000;
1962
afd74e2a
BVA		 1963 tv_sec = now.tv_sec;
1964 os_ctime_r(&tv_sec, time_buf, sizeof(time_buf));
1d272416
JA		 1965 if (time_buf[strlen(time_buf) - 1] == '\n')
1966 time_buf[strlen(time_buf) - 1] = '\0';
91e53870 1967
cc372b17
SL		 1968 root = json_create_object();
1969 json_object_add_value_string(root, "fio version", fio_version_string);
aa7d2ef0
RH		 1970 json_object_add_value_int(root, "timestamp", now.tv_sec);
1971 json_object_add_value_int(root, "timestamp_ms", ms_since_epoch);
91e53870 1972 json_object_add_value_string(root, "time", time_buf);
66e19a38 1973 global = get_global_options();
0cf542af 1974 json_add_job_opts(root, "global options", &global->opt_list);
cc372b17
SL		 1975 array = json_create_array();
1976 json_object_add_value_array(root, "jobs", array);
1977 }
3c39a379 1978
0279b880
JA		 1979 if (is_backend)
1980 fio_server_send_job_options(&get_global_options()->opt_list, -1U);
1981
756867bd
JA		 1982 for (i = 0; i < nr_ts; i++) {
1983 ts = &threadstats[i];
1984 rs = &runstats[ts->groupid];
3c39a379 1985
0279b880
JA		 1986 if (is_backend) {
1987 fio_server_send_job_options(opt_lists[i], i);
a64e88da 1988 fio_server_send_ts(ts, rs);
0279b880 1989 } else {
129fb2d4 1990 if (output_format & FIO_OUTPUT_TERSE)
a666cab8 1991 show_thread_status_terse(ts, rs, &output[__FIO_OUTPUT_TERSE]);
129fb2d4 1992 if (output_format & FIO_OUTPUT_JSON) {
66e19a38 1993 struct json_object *tmp = show_thread_status_json(ts, rs, opt_lists[i]);
129fb2d4
JA		 1994 json_array_add_value_object(array, tmp);
1995 }
1996 if (output_format & FIO_OUTPUT_NORMAL)
a666cab8 1997 show_thread_status_normal(ts, rs, &output[__FIO_OUTPUT_NORMAL]);
129fb2d4 1998 }
3c39a379 1999 }
ab34ddd1 2000 if (!is_backend && (output_format & FIO_OUTPUT_JSON)) {
cc372b17 2001 /* disk util stats, if any */
a666cab8 2002 show_disk_util(1, root, &output[__FIO_OUTPUT_JSON]);
cc372b17 2003
a666cab8 2004 show_idle_prof_stats(FIO_OUTPUT_JSON, root, &output[__FIO_OUTPUT_JSON]);
f2a2ce0e 2005
a666cab8
JA		 2006 json_print_object(root, &output[__FIO_OUTPUT_JSON]);
2007 log_buf(&output[__FIO_OUTPUT_JSON], "\n");
cc372b17
SL		 2008 json_free_object(root);
2009 }
3c39a379 2010
72c27ff8
JA		 2011 for (i = 0; i < groupid + 1; i++) {
2012 rs = &runstats[i];
3c39a379 2013
72c27ff8 2014 rs->groupid = i;
d09a64a0 2015 if (is_backend)
72c27ff8 2016 fio_server_send_gs(rs);
129fb2d4 2017 else if (output_format & FIO_OUTPUT_NORMAL)
a666cab8 2018 show_group_stats(rs, &output[__FIO_OUTPUT_NORMAL]);
c6ae0a5b 2019 }
eecf272f 2020
72c27ff8
JA		 2021 if (is_backend)
2022 fio_server_send_du();
129fb2d4 2023 else if (output_format & FIO_OUTPUT_NORMAL) {
a666cab8
JA		 2024 show_disk_util(0, NULL, &output[__FIO_OUTPUT_NORMAL]);
2025 show_idle_prof_stats(FIO_OUTPUT_NORMAL, NULL, &output[__FIO_OUTPUT_NORMAL]);
60904003 2026 }
f2a2ce0e 2027
3d57c0e9 2028 for (i = 0; i < FIO_OUTPUT_NR; i++) {
3dc3aa41 2029 struct buf_output *out = &output[i];
8dd0eca3 2030
3dc3aa41 2031 log_info_buf(out->buf, out->buflen);
3dc3aa41 2032 buf_output_free(out);
3d57c0e9 2033 }
2b8c71b0 2034
7ceefc09
FS		 2035 fio_idle_prof_cleanup();
2036
fdd5f15f 2037 log_info_flush();
eecf272f 2038 free(runstats);
756867bd 2039 free(threadstats);
66e19a38 2040 free(opt_lists);
3c39a379
JA		 2041}
2042
5ddc6707 2043void __show_running_run_stats(void)
b852e7cf
JA		 2044{
2045 struct thread_data *td;
2046 unsigned long long *rt;
8b6a404c 2047 struct timespec ts;
b852e7cf
JA		 2048 int i;
2049
971caeb1 2050 fio_sem_down(stat_sem);
90811930 2051
b852e7cf 2052 rt = malloc(thread_number * sizeof(unsigned long long));
8b6a404c 2053 fio_gettime(&ts, NULL);
b852e7cf
JA		 2054
2055 for_each_td(td, i) {
c97f1ad6 2056 td->update_rusage = 1;
6eaf09d6
SL		 2057 td->ts.io_bytes[DDIR_READ] = td->io_bytes[DDIR_READ];
2058 td->ts.io_bytes[DDIR_WRITE] = td->io_bytes[DDIR_WRITE];
2059 td->ts.io_bytes[DDIR_TRIM] = td->io_bytes[DDIR_TRIM];
8b6a404c 2060 td->ts.total_run_time = mtime_since(&td->epoch, &ts);
6c041a88 2061
8b6a404c 2062 rt[i] = mtime_since(&td->start, &ts);
6c041a88 2063 if (td_read(td) && td->ts.io_bytes[DDIR_READ])
2064 td->ts.runtime[DDIR_READ] += rt[i];
2065 if (td_write(td) && td->ts.io_bytes[DDIR_WRITE])
2066 td->ts.runtime[DDIR_WRITE] += rt[i];
2067 if (td_trim(td) && td->ts.io_bytes[DDIR_TRIM])
2068 td->ts.runtime[DDIR_TRIM] += rt[i];
b852e7cf
JA		 2069 }
2070
c97f1ad6 2071 for_each_td(td, i) {
fda2cfac
JA		 2072 if (td->runstate >= TD_EXITED)
2073 continue;
c97f1ad6
JA		 2074 if (td->rusage_sem) {
2075 td->update_rusage = 1;
971caeb1 2076 fio_sem_down(td->rusage_sem);
c97f1ad6
JA		 2077 }
2078 td->update_rusage = 0;
2079 }
2080
cef9175e 2081 __show_run_stats();
b852e7cf
JA		 2082
2083 for_each_td(td, i) {
6c041a88 2084 if (td_read(td) && td->ts.io_bytes[DDIR_READ])
b852e7cf 2085 td->ts.runtime[DDIR_READ] -= rt[i];
6c041a88 2086 if (td_write(td) && td->ts.io_bytes[DDIR_WRITE])
b852e7cf 2087 td->ts.runtime[DDIR_WRITE] -= rt[i];
6c041a88 2088 if (td_trim(td) && td->ts.io_bytes[DDIR_TRIM])
6eaf09d6 2089 td->ts.runtime[DDIR_TRIM] -= rt[i];
b852e7cf
JA		 2090 }
2091
2092 free(rt);
971caeb1 2093 fio_sem_up(stat_sem);
b852e7cf
JA		 2094}
2095
8985b491 2096static bool status_interval_init;
8b6a404c 2097static struct timespec status_time;
8985b491 2098static bool status_file_disabled;
06464907 2099
dac45f23 2100#define FIO_STATUS_FILE "fio-dump-status"
06464907
JA		 2101
2102static int check_status_file(void)
2103{
2104 struct stat sb;
a0bafb7d
BC		 2105 const char *temp_dir;
2106 char fio_status_file_path[PATH_MAX];
06464907 2107
77d99675
JA		 2108 if (status_file_disabled)
2109 return 0;
2110
a0bafb7d 2111 temp_dir = getenv("TMPDIR");
48b16e27 2112 if (temp_dir == NULL) {
a0bafb7d 2113 temp_dir = getenv("TEMP");
48b16e27
JA		 2114 if (temp_dir && strlen(temp_dir) >= PATH_MAX)
2115 temp_dir = NULL;
2116 }
a0bafb7d
BC		 2117 if (temp_dir == NULL)
2118 temp_dir = "/tmp";
2119
2120 snprintf(fio_status_file_path, sizeof(fio_status_file_path), "%s/%s", temp_dir, FIO_STATUS_FILE);
2121
2122 if (stat(fio_status_file_path, &sb))
06464907
JA		 2123 return 0;
2124
77d99675
JA		 2125 if (unlink(fio_status_file_path) < 0) {
2126 log_err("fio: failed to unlink %s: %s\n", fio_status_file_path,
2127 strerror(errno));
2128 log_err("fio: disabling status file updates\n");
8985b491 2129 status_file_disabled = true;
77d99675
JA		 2130 }
2131
06464907
JA		 2132 return 1;
2133}
2134
2135void check_for_running_stats(void)
2136{
2137 if (status_interval) {
2138 if (!status_interval_init) {
2139 fio_gettime(&status_time, NULL);
8985b491 2140 status_interval_init = true;
06464907
JA		 2141 } else if (mtime_since_now(&status_time) >= status_interval) {
2142 show_running_run_stats();
2143 fio_gettime(&status_time, NULL);
2144 return;
2145 }
2146 }
2147 if (check_status_file()) {
2148 show_running_run_stats();
2149 return;
2150 }
2151}
2152
d6bb626e 2153static inline void add_stat_sample(struct io_stat *is, unsigned long long data)
3c39a379 2154{
68704084 2155 double val = data;
6660cc67 2156 double delta;
68704084
JA		 2157
2158 if (data > is->max_val)
2159 is->max_val = data;
2160 if (data < is->min_val)
2161 is->min_val = data;
2162
802ad4a8 2163 delta = val - is->mean.u.f;
ef11d737 2164 if (delta) {
802ad4a8
JA		 2165 is->mean.u.f += delta / (is->samples + 1.0);
2166 is->S.u.f += delta * (val - is->mean.u.f);
ef11d737 2167 }
3c39a379 2168
3c39a379
JA		 2169 is->samples++;
2170}
2171
7e419452
JA		 2172/*
2173 * Return a struct io_logs, which is added to the tail of the log
2174 * list for 'iolog'.
2175 */
2176static struct io_logs *get_new_log(struct io_log *iolog)
2177{
2178 size_t new_size, new_samples;
2179 struct io_logs *cur_log;
2180
2181 /*
2182 * Cap the size at MAX_LOG_ENTRIES, so we don't keep doubling
2183 * forever
2184 */
2185 if (!iolog->cur_log_max)
2186 new_samples = DEF_LOG_ENTRIES;
2187 else {
2188 new_samples = iolog->cur_log_max * 2;
2189 if (new_samples > MAX_LOG_ENTRIES)
2190 new_samples = MAX_LOG_ENTRIES;
2191 }
2192
7e419452 2193 new_size = new_samples * log_entry_sz(iolog);
7e419452 2194
90d2d53f 2195 cur_log = smalloc(sizeof(*cur_log));
7e419452
JA		 2196 if (cur_log) {
2197 INIT_FLIST_HEAD(&cur_log->list);
2198 cur_log->log = malloc(new_size);
2199 if (cur_log->log) {
2200 cur_log->nr_samples = 0;
2201 cur_log->max_samples = new_samples;
2202 flist_add_tail(&cur_log->list, &iolog->io_logs);
2203 iolog->cur_log_max = new_samples;
2204 return cur_log;
2205 }
90d2d53f 2206 sfree(cur_log);
7e419452
JA		 2207 }
2208
2209 return NULL;
2210}
2211
1fed2080
JA		 2212/*
2213 * Add and return a new log chunk, or return current log if big enough
2214 */
2215static struct io_logs *regrow_log(struct io_log *iolog)
7e419452
JA		 2216{
2217 struct io_logs *cur_log;
1fed2080 2218 int i;
7e419452 2219
1fed2080 2220 if (!iolog || iolog->disabled)
2ab71dc4 2221 goto disable;
7e419452 2222
1fed2080 2223 cur_log = iolog_cur_log(iolog);
a9afa45a
JA		 2224 if (!cur_log) {
2225 cur_log = get_new_log(iolog);
2226 if (!cur_log)
2227 return NULL;
2228 }
2229
7e419452
JA		 2230 if (cur_log->nr_samples < cur_log->max_samples)
2231 return cur_log;
2232
2233 /*
2234 * No room for a new sample. If we're compressing on the fly, flush
2235 * out the current chunk
2236 */
2237 if (iolog->log_gz) {
2238 if (iolog_cur_flush(iolog, cur_log)) {
2239 log_err("fio: failed flushing iolog! Will stop logging.\n");
2240 return NULL;
2241 }
2242 }
2243
2244 /*
2245 * Get a new log array, and add to our list
2246 */
2247 cur_log = get_new_log(iolog);
1fed2080
JA		 2248 if (!cur_log) {
2249 log_err("fio: failed extending iolog! Will stop logging.\n");
2250 return NULL;
2251 }
2252
2253 if (!iolog->pending || !iolog->pending->nr_samples)
80a24ba9 2254 return cur_log;
7e419452 2255
1fed2080
JA		 2256 /*
2257 * Flush pending items to new log
2258 */
2259 for (i = 0; i < iolog->pending->nr_samples; i++) {
2260 struct io_sample *src, *dst;
2261
2262 src = get_sample(iolog, iolog->pending, i);
2263 dst = get_sample(iolog, cur_log, i);
2264 memcpy(dst, src, log_entry_sz(iolog));
2265 }
0b2eef49 2266 cur_log->nr_samples = iolog->pending->nr_samples;
1fed2080
JA		 2267
2268 iolog->pending->nr_samples = 0;
2269 return cur_log;
2ab71dc4
JA		 2270disable:
2271 if (iolog)
2272 iolog->disabled = true;
2273 return NULL;
1fed2080
JA		 2274}
2275
2276void regrow_logs(struct thread_data *td)
2277{
2ab71dc4
JA		 2278 regrow_log(td->slat_log);
2279 regrow_log(td->clat_log);
1e613c9c 2280 regrow_log(td->clat_hist_log);
2ab71dc4
JA		 2281 regrow_log(td->lat_log);
2282 regrow_log(td->bw_log);
2283 regrow_log(td->iops_log);
1fed2080
JA		 2284 td->flags &= ~TD_F_REGROW_LOGS;
2285}
2286
2287static struct io_logs *get_cur_log(struct io_log *iolog)
2288{
2289 struct io_logs *cur_log;
2290
2291 cur_log = iolog_cur_log(iolog);
2292 if (!cur_log) {
2293 cur_log = get_new_log(iolog);
2294 if (!cur_log)
2295 return NULL;
2296 }
2297
2298 if (cur_log->nr_samples < cur_log->max_samples)
2299 return cur_log;
2300
2301 /*
1eb467fb
JA		 2302 * Out of space. If we're in IO offload mode, or we're not doing
2303 * per unit logging (hence logging happens outside of the IO thread
2304 * as well), add a new log chunk inline. If we're doing inline
2305 * submissions, flag 'td' as needing a log regrow and we'll take
2306 * care of it on the submission side.
1fed2080 2307 */
ab5643cb 2308 if ((iolog->td && iolog->td->o.io_submit_mode == IO_MODE_OFFLOAD) ||
1eb467fb 2309 !per_unit_log(iolog))
1fed2080
JA		 2310 return regrow_log(iolog);
2311
ab5643cb
IK		 2312 if (iolog->td)
2313 iolog->td->flags |= TD_F_REGROW_LOGS;
2314 if (iolog->pending)
2315 assert(iolog->pending->nr_samples < iolog->pending->max_samples);
1fed2080 2316 return iolog->pending;
7e419452
JA		 2317}
2318
af2fde19 2319static void __add_log_sample(struct io_log *iolog, union io_sample_data data,
5fff9543 2320 enum fio_ddir ddir, unsigned long long bs,
ae588852 2321 unsigned long t, uint64_t offset)
3c39a379 2322{
7e419452 2323 struct io_logs *cur_log;
306ddc97 2324
3c568239
JA		 2325 if (iolog->disabled)
2326 return;
7e419452 2327 if (flist_empty(&iolog->io_logs))
8355119b 2328 iolog->avg_last[ddir] = t;
b8bc8cba 2329
7e419452
JA		 2330 cur_log = get_cur_log(iolog);
2331 if (cur_log) {
2332 struct io_sample *s;
3c39a379 2333
7e419452 2334 s = get_sample(iolog, cur_log, cur_log->nr_samples);
3c39a379 2335
af2fde19 2336 s->data = data;
a9179eeb 2337 s->time = t + (iolog->td ? iolog->td->unix_epoch : 0);
7e419452
JA		 2338 io_sample_set_ddir(iolog, s, ddir);
2339 s->bs = bs;
ae588852 2340
7e419452
JA		 2341 if (iolog->log_offset) {
2342 struct io_sample_offset *so = (void *) s;
ae588852 2343
7e419452
JA		 2344 so->offset = offset;
2345 }
ae588852 2346
7e419452
JA		 2347 cur_log->nr_samples++;
2348 return;
ae588852
JA		 2349 }
2350
7e419452 2351 iolog->disabled = true;
3c39a379
JA		 2352}
2353
7fb28d36
JA		 2354static inline void reset_io_stat(struct io_stat *ios)
2355{
2356 ios->max_val = ios->min_val = ios->samples = 0;
2357 ios->mean.u.f = ios->S.u.f = 0;
2358}
2359
6bb58215
JA		 2360void reset_io_stats(struct thread_data *td)
2361{
2362 struct thread_stat *ts = &td->ts;
2363 int i, j;
2364
2365 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
2366 reset_io_stat(&ts->clat_stat[i]);
2367 reset_io_stat(&ts->slat_stat[i]);
2368 reset_io_stat(&ts->lat_stat[i]);
2369 reset_io_stat(&ts->bw_stat[i]);
2370 reset_io_stat(&ts->iops_stat[i]);
2371
2372 ts->io_bytes[i] = 0;
2373 ts->runtime[i] = 0;
71cb78c1
VF		 2374 ts->total_io_u[i] = 0;
2375 ts->short_io_u[i] = 0;
2376 ts->drop_io_u[i] = 0;
6bb58215 2377
b2b3eefe 2378 for (j = 0; j < FIO_IO_U_PLAT_NR; j++) {
6bb58215 2379 ts->io_u_plat[i][j] = 0;
b2b3eefe
JA		 2380 if (!i)
2381 ts->io_u_sync_plat[j] = 0;
2382 }
6bb58215
JA		 2383 }
2384
7f3ecee2
JA		 2385 ts->total_io_u[DDIR_SYNC] = 0;
2386
6bb58215
JA		 2387 for (i = 0; i < FIO_IO_U_MAP_NR; i++) {
2388 ts->io_u_map[i] = 0;
2389 ts->io_u_submit[i] = 0;
2390 ts->io_u_complete[i] = 0;
71cb78c1
VF		 2391 }
2392
d6bb626e
VF		 2393 for (i = 0; i < FIO_IO_U_LAT_N_NR; i++)
2394 ts->io_u_lat_n[i] = 0;
71cb78c1 2395 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++)
6bb58215 2396 ts->io_u_lat_u[i] = 0;
71cb78c1 2397 for (i = 0; i < FIO_IO_U_LAT_M_NR; i++)
6bb58215 2398 ts->io_u_lat_m[i] = 0;
6bb58215 2399
71cb78c1
VF		 2400 ts->total_submit = 0;
2401 ts->total_complete = 0;
fd5d733f 2402 ts->nr_zone_resets = 0;
6bb58215
JA		 2403}
2404
d96d3bb3 2405static void __add_stat_to_log(struct io_log *iolog, enum fio_ddir ddir,
e6989e10 2406 unsigned long elapsed, bool log_max)
99007068
PO		 2407{
2408 /*
2409 * Note an entry in the log. Use the mean from the logged samples,
2410 * making sure to properly round up. Only write a log entry if we
2411 * had actual samples done.
2412 */
d96d3bb3 2413 if (iolog->avg_window[ddir].samples) {
af2fde19 2414 union io_sample_data data;
99007068 2415
e6989e10 2416 if (log_max)
af2fde19 2417 data.val = iolog->avg_window[ddir].max_val;
e6989e10 2418 else
af2fde19 2419 data.val = iolog->avg_window[ddir].mean.u.f + 0.50;
e6989e10 2420
af2fde19 2421 __add_log_sample(iolog, data, ddir, 0, elapsed, 0);
99007068 2422 }
99007068 2423
d96d3bb3
JA		 2424 reset_io_stat(&iolog->avg_window[ddir]);
2425}
99007068 2426
e6989e10
JA		 2427static void _add_stat_to_log(struct io_log *iolog, unsigned long elapsed,
2428 bool log_max)
d96d3bb3
JA		 2429{
2430 int ddir;
99007068 2431
d96d3bb3 2432 for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++)
e6989e10 2433 __add_stat_to_log(iolog, ddir, elapsed, log_max);
99007068
PO		 2434}
2435
674456bf
JF		 2436static unsigned long add_log_sample(struct thread_data *td,
2437 struct io_log *iolog,
2438 union io_sample_data data,
5fff9543 2439 enum fio_ddir ddir, unsigned long long bs,
674456bf 2440 uint64_t offset)
bb3884d8 2441{
7fb28d36 2442 unsigned long elapsed, this_window;
b8bc8cba 2443
ff58fced 2444 if (!ddir_rw(ddir))
d454a205 2445 return 0;
ff58fced 2446
b8bc8cba
JA		 2447 elapsed = mtime_since_now(&td->epoch);
2448
2449 /*
2450 * If no time averaging, just add the log sample.
2451 */
2452 if (!iolog->avg_msec) {
af2fde19 2453 __add_log_sample(iolog, data, ddir, bs, elapsed, offset);
d454a205 2454 return 0;
b8bc8cba
JA		 2455 }
2456
2457 /*
2458 * Add the sample. If the time period has passed, then
2459 * add that entry to the log and clear.
2460 */
af2fde19 2461 add_stat_sample(&iolog->avg_window[ddir], data.val);
b8bc8cba 2462
7fb28d36
JA		 2463 /*
2464 * If period hasn't passed, adding the above sample is all we
2465 * need to do.
2466 */
8355119b
SW		 2467 this_window = elapsed - iolog->avg_last[ddir];
2468 if (elapsed < iolog->avg_last[ddir])
2469 return iolog->avg_last[ddir] - elapsed;
f5a568cf 2470 else if (this_window < iolog->avg_msec) {
674456bf 2471 unsigned long diff = iolog->avg_msec - this_window;
d454a205 2472
b392f36d 2473 if (inline_log(iolog) || diff > LOG_MSEC_SLACK)
d454a205
JA		 2474 return diff;
2475 }
b8bc8cba 2476
8355119b 2477 __add_stat_to_log(iolog, ddir, elapsed, td->o.log_max != 0);
b8bc8cba 2478
8355119b 2479 iolog->avg_last[ddir] = elapsed - (this_window - iolog->avg_msec);
d454a205 2480 return iolog->avg_msec;
99007068 2481}
6eaf09d6 2482
a47591e4 2483void finalize_logs(struct thread_data *td, bool unit_logs)
99007068
PO		 2484{
2485 unsigned long elapsed;
6eaf09d6 2486
99007068 2487 elapsed = mtime_since_now(&td->epoch);
b8bc8cba 2488
a47591e4 2489 if (td->clat_log && unit_logs)
e6989e10 2490 _add_stat_to_log(td->clat_log, elapsed, td->o.log_max != 0);
a47591e4 2491 if (td->slat_log && unit_logs)
e6989e10 2492 _add_stat_to_log(td->slat_log, elapsed, td->o.log_max != 0);
a47591e4 2493 if (td->lat_log && unit_logs)
e6989e10 2494 _add_stat_to_log(td->lat_log, elapsed, td->o.log_max != 0);
a47591e4 2495 if (td->bw_log && (unit_logs == per_unit_log(td->bw_log)))
e6989e10 2496 _add_stat_to_log(td->bw_log, elapsed, td->o.log_max != 0);
a47591e4 2497 if (td->iops_log && (unit_logs == per_unit_log(td->iops_log)))
e6989e10 2498 _add_stat_to_log(td->iops_log, elapsed, td->o.log_max != 0);
bb3884d8
JA		 2499}
2500
5fff9543 2501void add_agg_sample(union io_sample_data data, enum fio_ddir ddir, unsigned long long bs)
bb3884d8 2502{
ff58fced 2503 struct io_log *iolog;
bb3884d8 2504
ff58fced
JA		 2505 if (!ddir_rw(ddir))
2506 return;
2507
2508 iolog = agg_io_log[ddir];
af2fde19 2509 __add_log_sample(iolog, data, ddir, bs, mtime_since_genesis(), 0);
bb3884d8
JA		 2510}
2511
b2b3eefe
JA		 2512void add_sync_clat_sample(struct thread_stat *ts, unsigned long long nsec)
2513{
2514 unsigned int idx = plat_val_to_idx(nsec);
2515 assert(idx < FIO_IO_U_PLAT_NR);
2516
2517 ts->io_u_sync_plat[idx]++;
2518 add_stat_sample(&ts->sync_stat, nsec);
2519}
2520
83349190 2521static void add_clat_percentile_sample(struct thread_stat *ts,
d6bb626e 2522 unsigned long long nsec, enum fio_ddir ddir)
83349190 2523{
d6bb626e 2524 unsigned int idx = plat_val_to_idx(nsec);
83349190
YH		 2525 assert(idx < FIO_IO_U_PLAT_NR);
2526
2527 ts->io_u_plat[ddir][idx]++;
2528}
2529
1e97cce9 2530void add_clat_sample(struct thread_data *td, enum fio_ddir ddir,
5fff9543
JF		 2531 unsigned long long nsec, unsigned long long bs,
2532 uint64_t offset)
3c39a379 2533{
26b3a188 2534 const bool needs_lock = td_async_processing(td);
1e613c9c 2535 unsigned long elapsed, this_window;
756867bd 2536 struct thread_stat *ts = &td->ts;
1e613c9c 2537 struct io_log *iolog = td->clat_hist_log;
079ad09b 2538
26b3a188
JA		 2539 if (needs_lock)
2540 __td_io_u_lock(td);
75dc383e 2541
d6bb626e 2542 add_stat_sample(&ts->clat_stat[ddir], nsec);
3c39a379 2543
7b9f733a 2544 if (td->clat_log)
d6bb626e 2545 add_log_sample(td, td->clat_log, sample_val(nsec), ddir, bs,
af2fde19 2546 offset);
83349190
YH		 2547
2548 if (ts->clat_percentiles)
d6bb626e 2549 add_clat_percentile_sample(ts, nsec, ddir);
75dc383e 2550
1e613c9c 2551 if (iolog && iolog->hist_msec) {
93168285
JA		 2552 struct io_hist *hw = &iolog->hist_window[ddir];
2553
2554 hw->samples++;
1e613c9c 2555 elapsed = mtime_since_now(&td->epoch);
93168285 2556 if (!hw->hist_last)
1e613c9c
KC		 2557 hw->hist_last = elapsed;
2558 this_window = elapsed - hw->hist_last;
2559
2560 if (this_window >= iolog->hist_msec) {
6cc0e5aa 2561 uint64_t *io_u_plat;
65a4d15c 2562 struct io_u_plat_entry *dst;
93168285 2563
1e613c9c 2564 /*
93168285
JA		 2565 * Make a byte-for-byte copy of the latency histogram
2566 * stored in td->ts.io_u_plat[ddir], recording it in a
2567 * log sample. Note that the matching call to free() is
2568 * located in iolog.c after printing this sample to the
2569 * log file.
1e613c9c 2570 */
6cc0e5aa 2571 io_u_plat = (uint64_t *) td->ts.io_u_plat[ddir];
65a4d15c
KC		 2572 dst = malloc(sizeof(struct io_u_plat_entry));
2573 memcpy(&(dst->io_u_plat), io_u_plat,
93168285 2574 FIO_IO_U_PLAT_NR * sizeof(unsigned int));
d730bc58 2575 flist_add(&dst->list, &hw->list);
af2fde19 2576 __add_log_sample(iolog, sample_plat(dst), ddir, bs,
93168285 2577 elapsed, offset);
1e613c9c
KC		 2578
2579 /*
93168285
JA		 2580 * Update the last time we recorded as being now, minus
2581 * any drift in time we encountered before actually
2582 * making the record.
1e613c9c
KC		 2583 */
2584 hw->hist_last = elapsed - (this_window - iolog->hist_msec);
2585 hw->samples = 0;
2586 }
2587 }
2588
26b3a188
JA		 2589 if (needs_lock)
2590 __td_io_u_unlock(td);
3c39a379
JA		 2591}
2592
1e97cce9 2593void add_slat_sample(struct thread_data *td, enum fio_ddir ddir,
5fff9543 2594 unsigned long usec, unsigned long long bs, uint64_t offset)
3c39a379 2595{
26b3a188 2596 const bool needs_lock = td_async_processing(td);
756867bd 2597 struct thread_stat *ts = &td->ts;
079ad09b 2598
ff58fced
JA		 2599 if (!ddir_rw(ddir))
2600 return;
2601
26b3a188
JA		 2602 if (needs_lock)
2603 __td_io_u_lock(td);
75dc383e 2604
d85f5118 2605 add_stat_sample(&ts->slat_stat[ddir], usec);
3c39a379 2606
7b9f733a 2607 if (td->slat_log)
af2fde19 2608 add_log_sample(td, td->slat_log, sample_val(usec), ddir, bs, offset);
75dc383e 2609
26b3a188
JA		 2610 if (needs_lock)
2611 __td_io_u_unlock(td);
3c39a379
JA		 2612}
2613
02af0988 2614void add_lat_sample(struct thread_data *td, enum fio_ddir ddir,
5fff9543
JF		 2615 unsigned long long nsec, unsigned long long bs,
2616 uint64_t offset)
02af0988 2617{
26b3a188 2618 const bool needs_lock = td_async_processing(td);
02af0988
JA		 2619 struct thread_stat *ts = &td->ts;
2620
ff58fced
JA		 2621 if (!ddir_rw(ddir))
2622 return;
2623
26b3a188
JA		 2624 if (needs_lock)
2625 __td_io_u_lock(td);
75dc383e 2626
d6bb626e 2627 add_stat_sample(&ts->lat_stat[ddir], nsec);
02af0988 2628
7b9f733a 2629 if (td->lat_log)
d6bb626e 2630 add_log_sample(td, td->lat_log, sample_val(nsec), ddir, bs,
af2fde19 2631 offset);
75dc383e 2632
b599759b
JA		 2633 if (ts->lat_percentiles)
2634 add_clat_percentile_sample(ts, nsec, ddir);
2635
26b3a188
JA		 2636 if (needs_lock)
2637 __td_io_u_unlock(td);
02af0988
JA		 2638}
2639
a47591e4 2640void add_bw_sample(struct thread_data *td, struct io_u *io_u,
d6bb626e 2641 unsigned int bytes, unsigned long long spent)
a47591e4 2642{
26b3a188 2643 const bool needs_lock = td_async_processing(td);
a47591e4
JA		 2644 struct thread_stat *ts = &td->ts;
2645 unsigned long rate;
2646
2647 if (spent)
d6bb626e 2648 rate = (unsigned long) (bytes * 1000000ULL / spent);
a47591e4
JA		 2649 else
2650 rate = 0;
2651
26b3a188
JA		 2652 if (needs_lock)
2653 __td_io_u_lock(td);
a47591e4
JA		 2654
2655 add_stat_sample(&ts->bw_stat[io_u->ddir], rate);
2656
2657 if (td->bw_log)
af2fde19
SW		 2658 add_log_sample(td, td->bw_log, sample_val(rate), io_u->ddir,
2659 bytes, io_u->offset);
a47591e4
JA		 2660
2661 td->stat_io_bytes[io_u->ddir] = td->this_io_bytes[io_u->ddir];
26b3a188
JA		 2662
2663 if (needs_lock)
2664 __td_io_u_unlock(td);
a47591e4
JA		 2665}
2666
8b6a404c
VF		 2667static int __add_samples(struct thread_data *td, struct timespec *parent_tv,
2668 struct timespec *t, unsigned int avg_time,
4843277a
JA		 2669 uint64_t *this_io_bytes, uint64_t *stat_io_bytes,
2670 struct io_stat *stat, struct io_log *log,
2671 bool is_kb)
3c39a379 2672{
26b3a188 2673 const bool needs_lock = td_async_processing(td);
ff58fced 2674 unsigned long spent, rate;
a47591e4 2675 enum fio_ddir ddir;
674456bf 2676 unsigned long next, next_log;
d454a205 2677
4843277a 2678 next_log = avg_time;
ff58fced 2679
4843277a
JA		 2680 spent = mtime_since(parent_tv, t);
2681 if (spent < avg_time && avg_time - spent >= LOG_MSEC_SLACK)
2682 return avg_time - spent;
9602d8df 2683
26b3a188
JA		 2684 if (needs_lock)
2685 __td_io_u_lock(td);
a9da8ab2 2686
9602d8df 2687 /*
5daa4ebe
JC		 2688 * Compute both read and write rates for the interval.
2689 */
c1f50f76 2690 for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++) {
5daa4ebe
JC		 2691 uint64_t delta;
2692
4843277a 2693 delta = this_io_bytes[ddir] - stat_io_bytes[ddir];
5daa4ebe
JC		 2694 if (!delta)
2695 continue; /* No entries for interval */
3c39a379 2696
4843277a
JA		 2697 if (spent) {
2698 if (is_kb)
2699 rate = delta * 1000 / spent / 1024; /* KiB/s */
2700 else
2701 rate = (delta * 1000) / spent;
2702 } else
0956264f
JA		 2703 rate = 0;
2704
4843277a 2705 add_stat_sample(&stat[ddir], rate);
3c39a379 2706
37181709 2707 if (log) {
5fff9543 2708 unsigned long long bs = 0;
66b98c9f
JA		 2709
2710 if (td->o.min_bs[ddir] == td->o.max_bs[ddir])
2711 bs = td->o.min_bs[ddir];
2712
4843277a 2713 next = add_log_sample(td, log, sample_val(rate), ddir, bs, 0);
d454a205 2714 next_log = min(next_log, next);
66b98c9f 2715 }
5daa4ebe 2716
4843277a 2717 stat_io_bytes[ddir] = this_io_bytes[ddir];
5daa4ebe 2718 }
3c39a379 2719
8b6a404c 2720 timespec_add_msec(parent_tv, avg_time);
a47591e4 2721
26b3a188
JA		 2722 if (needs_lock)
2723 __td_io_u_unlock(td);
a47591e4 2724
4843277a
JA		 2725 if (spent <= avg_time)
2726 next = avg_time;
306fea38 2727 else
4843277a 2728 next = avg_time - (1 + spent - avg_time);
a47591e4 2729
d454a205 2730 return min(next, next_log);
a47591e4
JA		 2731}
2732
8b6a404c 2733static int add_bw_samples(struct thread_data *td, struct timespec *t)
4843277a
JA		 2734{
2735 return __add_samples(td, &td->bw_sample_time, t, td->o.bw_avg_time,
2736 td->this_io_bytes, td->stat_io_bytes,
2737 td->ts.bw_stat, td->bw_log, true);
2738}
2739
a47591e4
JA		 2740void add_iops_sample(struct thread_data *td, struct io_u *io_u,
2741 unsigned int bytes)
2742{
26b3a188 2743 const bool needs_lock = td_async_processing(td);
a47591e4
JA		 2744 struct thread_stat *ts = &td->ts;
2745
26b3a188
JA		 2746 if (needs_lock)
2747 __td_io_u_lock(td);
a47591e4
JA		 2748
2749 add_stat_sample(&ts->iops_stat[io_u->ddir], 1);
2750
2751 if (td->iops_log)
af2fde19
SW		 2752 add_log_sample(td, td->iops_log, sample_val(1), io_u->ddir,
2753 bytes, io_u->offset);
a47591e4
JA		 2754
2755 td->stat_io_blocks[io_u->ddir] = td->this_io_blocks[io_u->ddir];
26b3a188
JA		 2756
2757 if (needs_lock)
2758 __td_io_u_unlock(td);
3c39a379 2759}
c8eeb9df 2760
8b6a404c 2761static int add_iops_samples(struct thread_data *td, struct timespec *t)
c8eeb9df 2762{
4843277a
JA		 2763 return __add_samples(td, &td->iops_sample_time, t, td->o.iops_avg_time,
2764 td->this_io_blocks, td->stat_io_blocks,
2765 td->ts.iops_stat, td->iops_log, false);
a47591e4
JA		 2766}
2767
2768/*
2769 * Returns msecs to next event
2770 */
2771int calc_log_samples(void)
2772{
2773 struct thread_data *td;
2774 unsigned int next = ~0U, tmp;
8b6a404c 2775 struct timespec now;
a47591e4
JA		 2776 int i;
2777
2778 fio_gettime(&now, NULL);
2779
2780 for_each_td(td, i) {
8243be59
JA		 2781 if (!td->o.stats)
2782 continue;
6a89b401 2783 if (in_ramp_time(td) ||
a47591e4
JA		 2784 !(td->runstate == TD_RUNNING || td->runstate == TD_VERIFYING)) {
2785 next = min(td->o.iops_avg_time, td->o.bw_avg_time);
2786 continue;
2787 }
37181709
AH		 2788 if (!td->bw_log ||
2789 (td->bw_log && !per_unit_log(td->bw_log))) {
a47591e4
JA		 2790 tmp = add_bw_samples(td, &now);
2791 if (tmp < next)
2792 next = tmp;
2793 }
37181709
AH		 2794 if (!td->iops_log ||
2795 (td->iops_log && !per_unit_log(td->iops_log))) {
a47591e4
JA		 2796 tmp = add_iops_samples(td, &now);
2797 if (tmp < next)
2798 next = tmp;
2799 }
2800 }
2801
2802 return next == ~0U ? 0 : next;
c8eeb9df 2803}
cef9175e
JA		 2804
2805void stat_init(void)
2806{
971caeb1 2807 stat_sem = fio_sem_init(FIO_SEM_UNLOCKED);
cef9175e
JA		 2808}
2809
2810void stat_exit(void)
2811{
2812 /*
2813 * When we have the mutex, we know out-of-band access to it
2814 * have ended.
2815 */
971caeb1
BVA		 2816 fio_sem_down(stat_sem);
2817 fio_sem_remove(stat_sem);
cef9175e 2818}
b2ee7647 2819
b2ee7647
JA		 2820/*
2821 * Called from signal handler. Wake up status thread.
2822 */
2823void show_running_run_stats(void)
2824{
a47591e4 2825 helper_do_stat();
b2ee7647 2826}
66347cfa
DE		 2827
2828uint32_t *io_u_block_info(struct thread_data *td, struct io_u *io_u)
2829{
2830 /* Ignore io_u's which span multiple blocks--they will just get
2831 * inaccurate counts. */
2832 int idx = (io_u->offset - io_u->file->file_offset)
2833 / td->o.bs[DDIR_TRIM];
2834 uint32_t *info = &td->ts.block_infos[idx];
2835 assert(idx < td->ts.nr_block_infos);
2836 return info;
2837}
fio - Flexible IO Tester