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t/io_uring: stop when max number of files is reached
[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"
3c39a379 18
674456bf 19#define LOG_MSEC_SLACK 1
d454a205 20
971caeb1 21struct fio_sem *stat_sem;
cef9175e 22
210dd0fc
JA		 23void clear_rusage_stat(struct thread_data *td)
24{
25 struct thread_stat *ts = &td->ts;
26
27 fio_getrusage(&td->ru_start);
28 ts->usr_time = ts->sys_time = 0;
29 ts->ctx = 0;
30 ts->minf = ts->majf = 0;
31}
32
3c39a379
JA		 33void update_rusage_stat(struct thread_data *td)
34{
756867bd 35 struct thread_stat *ts = &td->ts;
3c39a379 36
44404c5a 37 fio_getrusage(&td->ru_end);
8b6a404c 38 ts->usr_time += mtime_since_tv(&td->ru_start.ru_utime,
c8aaba19 39 &td->ru_end.ru_utime);
8b6a404c 40 ts->sys_time += mtime_since_tv(&td->ru_start.ru_stime,
c8aaba19
JA		 41 &td->ru_end.ru_stime);
42 ts->ctx += td->ru_end.ru_nvcsw + td->ru_end.ru_nivcsw
43 - (td->ru_start.ru_nvcsw + td->ru_start.ru_nivcsw);
44 ts->minf += td->ru_end.ru_minflt - td->ru_start.ru_minflt;
45 ts->majf += td->ru_end.ru_majflt - td->ru_start.ru_majflt;
5ec10eaa 46
c8aaba19 47 memcpy(&td->ru_start, &td->ru_end, sizeof(td->ru_end));
3c39a379
JA		 48}
49
83349190
YH		 50/*
51 * Given a latency, return the index of the corresponding bucket in
52 * the structure tracking percentiles.
53 *
54 * (1) find the group (and error bits) that the value (latency)
55 * belongs to by looking at its MSB. (2) find the bucket number in the
56 * group by looking at the index bits.
57 *
58 */
d6bb626e 59static unsigned int plat_val_to_idx(unsigned long long val)
83349190
YH		 60{
61 unsigned int msb, error_bits, base, offset, idx;
62
63 /* Find MSB starting from bit 0 */
64 if (val == 0)
65 msb = 0;
66 else
d6bb626e 67 msb = (sizeof(val)*8) - __builtin_clzll(val) - 1;
83349190 68
716050f2
JA		 69 /*
70 * MSB <= (FIO_IO_U_PLAT_BITS-1), cannot be rounded off. Use
71 * all bits of the sample as index
72 */
83349190
YH		 73 if (msb <= FIO_IO_U_PLAT_BITS)
74 return val;
75
76 /* Compute the number of error bits to discard*/
77 error_bits = msb - FIO_IO_U_PLAT_BITS;
78
79 /* Compute the number of buckets before the group */
80 base = (error_bits + 1) << FIO_IO_U_PLAT_BITS;
81
716050f2
JA		 82 /*
83 * Discard the error bits and apply the mask to find the
3c3ed070 84 * index for the buckets in the group
716050f2 85 */
83349190
YH		 86 offset = (FIO_IO_U_PLAT_VAL - 1) & (val >> error_bits);
87
88 /* Make sure the index does not exceed (array size - 1) */
3c3ed070 89 idx = (base + offset) < (FIO_IO_U_PLAT_NR - 1) ?
83349190
YH		 90 (base + offset) : (FIO_IO_U_PLAT_NR - 1);
91
92 return idx;
93}
94
95/*
96 * Convert the given index of the bucket array to the value
97 * represented by the bucket
98 */
129e4193 99static unsigned long long plat_idx_to_val(unsigned int idx)
83349190 100{
c8b44cfa
RL		 101 unsigned int error_bits;
102 unsigned long long k, base;
83349190
YH		 103
104 assert(idx < FIO_IO_U_PLAT_NR);
105
106 /* MSB <= (FIO_IO_U_PLAT_BITS-1), cannot be rounded off. Use
107 * all bits of the sample as index */
3c3ed070 108 if (idx < (FIO_IO_U_PLAT_VAL << 1))
83349190
YH		 109 return idx;
110
111 /* Find the group and compute the minimum value of that group */
3c3ed070 112 error_bits = (idx >> FIO_IO_U_PLAT_BITS) - 1;
c8b44cfa 113 base = ((unsigned long long) 1) << (error_bits + FIO_IO_U_PLAT_BITS);
83349190
YH		 114
115 /* Find its bucket number of the group */
116 k = idx % FIO_IO_U_PLAT_VAL;
117
118 /* Return the mean of the range of the bucket */
119 return base + ((k + 0.5) * (1 << error_bits));
120}
121
122static int double_cmp(const void *a, const void *b)
123{
802ad4a8
JA		 124 const fio_fp64_t fa = *(const fio_fp64_t *) a;
125 const fio_fp64_t fb = *(const fio_fp64_t *) b;
83349190
YH		 126 int cmp = 0;
127
802ad4a8 128 if (fa.u.f > fb.u.f)
83349190 129 cmp = 1;
802ad4a8 130 else if (fa.u.f < fb.u.f)
83349190
YH		 131 cmp = -1;
132
133 return cmp;
134}
135
6cc0e5aa 136unsigned int calc_clat_percentiles(uint64_t *io_u_plat, unsigned long long nr,
d6bb626e
VF		 137 fio_fp64_t *plist, unsigned long long **output,
138 unsigned long long *maxv, unsigned long long *minv)
83349190 139{
447b94e1 140 unsigned long long sum = 0;
1db92cb6 141 unsigned int len, i, j = 0;
d6bb626e 142 unsigned long long *ovals = NULL;
8985b491 143 bool is_last;
1db92cb6 144
d6bb626e 145 *minv = -1ULL;
1db92cb6 146 *maxv = 0;
83349190 147
802ad4a8
JA		 148 len = 0;
149 while (len < FIO_IO_U_LIST_MAX_LEN && plist[len].u.f != 0.0)
150 len++;
716050f2 151
351de8de 152 if (!len)
1db92cb6 153 return 0;
351de8de 154
716050f2 155 /*
802ad4a8
JA		 156 * Sort the percentile list. Note that it may already be sorted if
157 * we are using the default values, but since it's a short list this
158 * isn't a worry. Also note that this does not work for NaN values.
716050f2 159 */
802ad4a8 160 if (len > 1)
3c3ed070 161 qsort((void *)plist, len, sizeof(plist[0]), double_cmp);
83349190 162
5d89c625
VF		 163 ovals = malloc(len * sizeof(*ovals));
164 if (!ovals)
165 return 0;
166
4f6f8298
JA		 167 /*
168 * Calculate bucket values, note down max and min values
169 */
8985b491 170 is_last = false;
07511a63 171 for (i = 0; i < FIO_IO_U_PLAT_NR && !is_last; i++) {
83349190 172 sum += io_u_plat[i];
298d751e 173 while (sum >= ((long double) plist[j].u.f / 100.0 * nr)) {
802ad4a8 174 assert(plist[j].u.f <= 100.0);
83349190 175
4f6f8298 176 ovals[j] = plat_idx_to_val(i);
1db92cb6
JA		 177 if (ovals[j] < *minv)
178 *minv = ovals[j];
179 if (ovals[j] > *maxv)
180 *maxv = ovals[j];
07511a63 181
8985b491 182 is_last = (j == len - 1) != 0;
07511a63
JA		 183 if (is_last)
184 break;
185
4f6f8298
JA		 186 j++;
187 }
188 }
83349190 189
298d751e
VF		 190 if (!is_last)
191 log_err("fio: error calculating latency percentiles\n");
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
74558486
JA		 395static void display_lat(const char *name, unsigned long long min,
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;
96563db9 423 char *io_p, *bw_p, *bw_p_alt, *iops_p, *post_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 454 if (ddir == DDIR_WRITE)
96563db9
JA		 455 post_st = zbd_write_status(ts);
456 else if (ddir == DDIR_READ && ts->cachehit && ts->cachemiss) {
457 uint64_t total;
458 double hit;
459
460 total = ts->cachehit + ts->cachemiss;
461 hit = (double) ts->cachehit / (double) total;
462 hit *= 100.0;
463 if (asprintf(&post_st, "; Cachehit=%0.2f%%", hit) < 0)
464 post_st = NULL;
465 }
dbe1125e 466
fd5d733f 467 log_buf(out, " %s: IOPS=%s, BW=%s (%s)(%s/%llumsec)%s\n",
425d3e0e 468 rs->unified_rw_rep ? "mixed" : io_ddir_name(ddir),
d694a6a7 469 iops_p, bw_p, bw_p_alt, io_p,
fd5d733f 470 (unsigned long long) ts->runtime[ddir],
96563db9 471 post_st ? : "");
dbe1125e 472
96563db9 473 free(post_st);
dbe1125e
JA		 474 free(io_p);
475 free(bw_p);
d694a6a7 476 free(bw_p_alt);
b3605062 477 free(iops_p);
3c39a379 478
b29ad562 479 if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev))
a666cab8 480 display_lat("slat", min, max, mean, dev, out);
b29ad562 481 if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev))
a666cab8 482 display_lat("clat", min, max, mean, dev, out);
b29ad562 483 if (calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev))
a666cab8 484 display_lat(" lat", min, max, mean, dev, out);
02af0988 485
b599759b 486 if (ts->clat_percentiles || ts->lat_percentiles) {
b2b3eefe 487 const char *name = ts->clat_percentiles ? "clat" : " lat";
af1600c1
SW		 488 uint64_t samples;
489
490 if (ts->clat_percentiles)
491 samples = ts->clat_stat[ddir].samples;
492 else
493 samples = ts->lat_stat[ddir].samples;
494
83349190 495 show_clat_percentiles(ts->io_u_plat[ddir],
af1600c1 496 samples,
435d195a 497 ts->percentile_list,
b2b3eefe 498 ts->percentile_precision, name, out);
83349190 499 }
079ad09b 500 if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) {
142c7f2d 501 double p_of_agg = 100.0, fkb_base = (double)rs->kb_base;
d694a6a7
RE		 502 const char *bw_str;
503
504 if ((rs->unit_base == 1) && i2p)
505 bw_str = "Kibit";
506 else if (rs->unit_base == 1)
507 bw_str = "kbit";
508 else if (i2p)
509 bw_str = "KiB";
510 else
511 bw_str = "kB";
d686990a 512
d1707474
SW		 513 if (rs->agg[ddir]) {
514 p_of_agg = mean * 100 / (double) (rs->agg[ddir] / 1024);
515 if (p_of_agg > 100.0)
516 p_of_agg = 100.0;
517 }
518
d686990a
SN		 519 if (rs->unit_base == 1) {
520 min *= 8.0;
521 max *= 8.0;
522 mean *= 8.0;
523 dev *= 8.0;
524 }
3c39a379 525
142c7f2d
SN		 526 if (mean > fkb_base * fkb_base) {
527 min /= fkb_base;
528 max /= fkb_base;
529 mean /= fkb_base;
530 dev /= fkb_base;
d694a6a7 531 bw_str = (rs->unit_base == 1 ? "Mibit" : "MiB");
b7017e32
JA		 532 }
533
54c05828 534 log_buf(out, " bw (%5s/s): min=%5llu, max=%5llu, per=%3.2f%%, "
29eb371b 535 "avg=%5.02f, stdev=%5.02f, samples=%" PRIu64 "\n",
54c05828
AH		 536 bw_str, min, max, p_of_agg, mean, dev,
537 (&ts->bw_stat[ddir])->samples);
3c39a379 538 }
188b6016 539 if (calc_lat(&ts->iops_stat[ddir], &min, &max, &mean, &dev)) {
21ba6606 540 log_buf(out, " iops : min=%5llu, max=%5llu, "
29eb371b 541 "avg=%5.02f, stdev=%5.02f, samples=%" PRIu64 "\n",
54c05828 542 min, max, mean, dev, (&ts->iops_stat[ddir])->samples);
188b6016 543 }
3c39a379
JA		 544}
545
8985b491
JA		 546static bool show_lat(double *io_u_lat, int nr, const char **ranges,
547 const char *msg, struct buf_output *out)
04a0feae 548{
8985b491
JA		 549 bool new_line = true, shown = false;
550 int i, line = 0;
04a0feae
JA		 551
552 for (i = 0; i < nr; i++) {
553 if (io_u_lat[i] <= 0.0)
554 continue;
8985b491 555 shown = true;
04a0feae 556 if (new_line) {
4539ed73 557 if (line)
a666cab8 558 log_buf(out, "\n");
4a19fcaa 559 log_buf(out, " lat (%s) : ", msg);
8985b491 560 new_line = false;
04a0feae
JA		 561 line = 0;
562 }
563 if (line)
a666cab8
JA		 564 log_buf(out, ", ");
565 log_buf(out, "%s%3.2f%%", ranges[i], io_u_lat[i]);
04a0feae
JA		 566 line++;
567 if (line == 5)
8985b491 568 new_line = true;
04a0feae 569 }
7e1773ba
JA		 570
571 if (shown)
a666cab8 572 log_buf(out, "\n");
7e1773ba 573
8985b491 574 return true;
04a0feae
JA		 575}
576
d6bb626e
VF		 577static void show_lat_n(double *io_u_lat_n, struct buf_output *out)
578{
579 const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=",
580 "250=", "500=", "750=", "1000=", };
581
582 show_lat(io_u_lat_n, FIO_IO_U_LAT_N_NR, ranges, "nsec", out);
583}
584
a666cab8 585static void show_lat_u(double *io_u_lat_u, struct buf_output *out)
04a0feae
JA		 586{
587 const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=",
588 "250=", "500=", "750=", "1000=", };
589
a666cab8 590 show_lat(io_u_lat_u, FIO_IO_U_LAT_U_NR, ranges, "usec", out);
04a0feae
JA		 591}
592
a666cab8 593static void show_lat_m(double *io_u_lat_m, struct buf_output *out)
04a0feae
JA		 594{
595 const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=",
596 "250=", "500=", "750=", "1000=", "2000=",
597 ">=2000=", };
598
a666cab8 599 show_lat(io_u_lat_m, FIO_IO_U_LAT_M_NR, ranges, "msec", out);
04a0feae
JA		 600}
601
a666cab8 602static void show_latencies(struct thread_stat *ts, struct buf_output *out)
04a0feae 603{
d6bb626e 604 double io_u_lat_n[FIO_IO_U_LAT_N_NR];
c551f65a
JA		 605 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
606 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
607
d6bb626e 608 stat_calc_lat_n(ts, io_u_lat_n);
5a18988e
JA		 609 stat_calc_lat_u(ts, io_u_lat_u);
610 stat_calc_lat_m(ts, io_u_lat_m);
611
d6bb626e 612 show_lat_n(io_u_lat_n, out);
a666cab8
JA		 613 show_lat_u(io_u_lat_u, out);
614 show_lat_m(io_u_lat_m, out);
04a0feae
JA		 615}
616
66347cfa
DE		 617static int block_state_category(int block_state)
618{
619 switch (block_state) {
620 case BLOCK_STATE_UNINIT:
621 return 0;
622 case BLOCK_STATE_TRIMMED:
623 case BLOCK_STATE_WRITTEN:
624 return 1;
625 case BLOCK_STATE_WRITE_FAILURE:
626 case BLOCK_STATE_TRIM_FAILURE:
627 return 2;
628 default:
081c2dc3 629 /* Silence compile warning on some BSDs and have a return */
66347cfa 630 assert(0);
07ff5841 631 return -1;
66347cfa
DE		 632 }
633}
634
635static int compare_block_infos(const void *bs1, const void *bs2)
636{
5fff9543
JF		 637 uint64_t block1 = *(uint64_t *)bs1;
638 uint64_t block2 = *(uint64_t *)bs2;
66347cfa
DE		 639 int state1 = BLOCK_INFO_STATE(block1);
640 int state2 = BLOCK_INFO_STATE(block2);
641 int bscat1 = block_state_category(state1);
642 int bscat2 = block_state_category(state2);
643 int cycles1 = BLOCK_INFO_TRIMS(block1);
644 int cycles2 = BLOCK_INFO_TRIMS(block2);
645
646 if (bscat1 < bscat2)
647 return -1;
648 if (bscat1 > bscat2)
649 return 1;
650
651 if (cycles1 < cycles2)
652 return -1;
653 if (cycles1 > cycles2)
654 return 1;
655
656 if (state1 < state2)
657 return -1;
658 if (state1 > state2)
659 return 1;
660
661 assert(block1 == block2);
662 return 0;
663}
664
665static int calc_block_percentiles(int nr_block_infos, uint32_t *block_infos,
666 fio_fp64_t *plist, unsigned int **percentiles,
667 unsigned int *types)
668{
669 int len = 0;
670 int i, nr_uninit;
671
672 qsort(block_infos, nr_block_infos, sizeof(uint32_t), compare_block_infos);
673
674 while (len < FIO_IO_U_LIST_MAX_LEN && plist[len].u.f != 0.0)
675 len++;
676
677 if (!len)
678 return 0;
679
680 /*
681 * Sort the percentile list. Note that it may already be sorted if
682 * we are using the default values, but since it's a short list this
683 * isn't a worry. Also note that this does not work for NaN values.
684 */
685 if (len > 1)
686 qsort((void *)plist, len, sizeof(plist[0]), double_cmp);
687
66347cfa
DE		 688 /* Start only after the uninit entries end */
689 for (nr_uninit = 0;
690 nr_uninit < nr_block_infos
691 && BLOCK_INFO_STATE(block_infos[nr_uninit]) == BLOCK_STATE_UNINIT;
692 nr_uninit ++)
693 ;
694
695 if (nr_uninit == nr_block_infos)
696 return 0;
697
698 *percentiles = calloc(len, sizeof(**percentiles));
699
700 for (i = 0; i < len; i++) {
701 int idx = (plist[i].u.f * (nr_block_infos - nr_uninit) / 100)
702 + nr_uninit;
703 (*percentiles)[i] = BLOCK_INFO_TRIMS(block_infos[idx]);
704 }
705
706 memset(types, 0, sizeof(*types) * BLOCK_STATE_COUNT);
707 for (i = 0; i < nr_block_infos; i++)
708 types[BLOCK_INFO_STATE(block_infos[i])]++;
709
710 return len;
711}
712
713static const char *block_state_names[] = {
714 [BLOCK_STATE_UNINIT] = "unwritten",
715 [BLOCK_STATE_TRIMMED] = "trimmed",
716 [BLOCK_STATE_WRITTEN] = "written",
717 [BLOCK_STATE_TRIM_FAILURE] = "trim failure",
718 [BLOCK_STATE_WRITE_FAILURE] = "write failure",
719};
720
721static void show_block_infos(int nr_block_infos, uint32_t *block_infos,
a666cab8 722 fio_fp64_t *plist, struct buf_output *out)
66347cfa
DE		 723{
724 int len, pos, i;
725 unsigned int *percentiles = NULL;
726 unsigned int block_state_counts[BLOCK_STATE_COUNT];
727
728 len = calc_block_percentiles(nr_block_infos, block_infos, plist,
729 &percentiles, block_state_counts);
730
a666cab8 731 log_buf(out, " block lifetime percentiles :\n |");
66347cfa
DE		 732 pos = 0;
733 for (i = 0; i < len; i++) {
734 uint32_t block_info = percentiles[i];
735#define LINE_LENGTH 75
736 char str[LINE_LENGTH];
737 int strln = snprintf(str, LINE_LENGTH, " %3.2fth=%u%c",
738 plist[i].u.f, block_info,
739 i == len - 1 ? '\n' : ',');
740 assert(strln < LINE_LENGTH);
741 if (pos + strln > LINE_LENGTH) {
742 pos = 0;
a666cab8 743 log_buf(out, "\n |");
66347cfa 744 }
a666cab8 745 log_buf(out, "%s", str);
66347cfa
DE		 746 pos += strln;
747#undef LINE_LENGTH
748 }
749 if (percentiles)
750 free(percentiles);
751
a666cab8 752 log_buf(out, " states :");
66347cfa 753 for (i = 0; i < BLOCK_STATE_COUNT; i++)
a666cab8 754 log_buf(out, " %s=%u%c",
66347cfa
DE		 755 block_state_names[i], block_state_counts[i],
756 i == BLOCK_STATE_COUNT - 1 ? '\n' : ',');
757}
758
d685adfb
VF		 759static void show_ss_normal(struct thread_stat *ts, struct buf_output *out)
760{
d694a6a7 761 char *p1, *p1alt, *p2;
d685adfb
VF		 762 unsigned long long bw_mean, iops_mean;
763 const int i2p = is_power_of_2(ts->kb_base);
764
0c13c969 765 if (!ts->ss_dur)
d685adfb
VF		 766 return;
767
bb49c8bd
VF		 768 bw_mean = steadystate_bw_mean(ts);
769 iops_mean = steadystate_iops_mean(ts);
d685adfb 770
e883cb35
JF		 771 p1 = num2str(bw_mean / ts->kb_base, ts->sig_figs, ts->kb_base, i2p, ts->unit_base);
772 p1alt = num2str(bw_mean / ts->kb_base, ts->sig_figs, ts->kb_base, !i2p, ts->unit_base);
773 p2 = num2str(iops_mean, ts->sig_figs, 1, 0, N2S_NONE);
d685adfb 774
d694a6a7 775 log_buf(out, " steadystate : attained=%s, bw=%s (%s), iops=%s, %s%s=%.3f%s\n",
c8caba48 776 ts->ss_state & FIO_SS_ATTAINED ? "yes" : "no",
d694a6a7 777 p1, p1alt, p2,
c8caba48
JA		 778 ts->ss_state & FIO_SS_IOPS ? "iops" : "bw",
779 ts->ss_state & FIO_SS_SLOPE ? " slope": " mean dev",
bb49c8bd 780 ts->ss_criterion.u.f,
c8caba48 781 ts->ss_state & FIO_SS_PCT ? "%" : "");
d685adfb
VF		 782
783 free(p1);
d694a6a7 784 free(p1alt);
d685adfb
VF		 785 free(p2);
786}
787
10aa136b 788static void show_thread_status_normal(struct thread_stat *ts,
a666cab8
JA		 789 struct group_run_stats *rs,
790 struct buf_output *out)
3c39a379
JA		 791{
792 double usr_cpu, sys_cpu;
69008999 793 unsigned long runtime;
71619dc2 794 double io_u_dist[FIO_IO_U_MAP_NR];
57a64324 795 time_t time_p;
35326842 796 char time_buf[32];
3c39a379 797
9966af7b 798 if (!ddir_rw_sum(ts->io_bytes) && !ddir_rw_sum(ts->total_io_u))
3c39a379 799 return;
33477b4b
JS		 800
801 memset(time_buf, 0, sizeof(time_buf));
3c39a379 802
57a64324 803 time(&time_p);
45054cbe 804 os_ctime_r((const time_t *) &time_p, time_buf, sizeof(time_buf));
57a64324 805
5ec10eaa 806 if (!ts->error) {
a666cab8 807 log_buf(out, "%s: (groupid=%d, jobs=%d): err=%2d: pid=%d: %s",
5ec10eaa 808 ts->name, ts->groupid, ts->members,
57a64324 809 ts->error, (int) ts->pid, time_buf);
5ec10eaa 810 } else {
a666cab8 811 log_buf(out, "%s: (groupid=%d, jobs=%d): err=%2d (%s): pid=%d: %s",
5ec10eaa 812 ts->name, ts->groupid, ts->members,
57a64324
JA		 813 ts->error, ts->verror, (int) ts->pid,
814 time_buf);
5ec10eaa 815 }
3c39a379 816
259e47de 817 if (strlen(ts->description))
a666cab8 818 log_buf(out, " Description : [%s]\n", ts->description);
7bdce1bd 819
756867bd 820 if (ts->io_bytes[DDIR_READ])
a666cab8 821 show_ddir_status(rs, ts, DDIR_READ, out);
756867bd 822 if (ts->io_bytes[DDIR_WRITE])
a666cab8 823 show_ddir_status(rs, ts, DDIR_WRITE, out);
6eaf09d6 824 if (ts->io_bytes[DDIR_TRIM])
a666cab8 825 show_ddir_status(rs, ts, DDIR_TRIM, out);
3c39a379 826
a666cab8 827 show_latencies(ts, out);
7e1773ba 828
b2b3eefe
JA		 829 if (ts->sync_stat.samples)
830 show_ddir_status(rs, ts, DDIR_SYNC, out);
831
756867bd 832 runtime = ts->total_run_time;
69008999 833 if (runtime) {
1e97cce9 834 double runt = (double) runtime;
3c39a379 835
756867bd
JA		 836 usr_cpu = (double) ts->usr_time * 100 / runt;
837 sys_cpu = (double) ts->sys_time * 100 / runt;
3c39a379
JA		 838 } else {
839 usr_cpu = 0;
840 sys_cpu = 0;
841 }
842
a666cab8 843 log_buf(out, " cpu : usr=%3.2f%%, sys=%3.2f%%, ctx=%llu,"
4e0a8fa2
JA		 844 " majf=%llu, minf=%llu\n", usr_cpu, sys_cpu,
845 (unsigned long long) ts->ctx,
846 (unsigned long long) ts->majf,
847 (unsigned long long) ts->minf);
71619dc2 848
d79db122 849 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
a666cab8 850 log_buf(out, " IO depths : 1=%3.1f%%, 2=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%,"
5ec10eaa
JA		 851 " 16=%3.1f%%, 32=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0],
852 io_u_dist[1], io_u_dist[2],
853 io_u_dist[3], io_u_dist[4],
854 io_u_dist[5], io_u_dist[6]);
838bc709
JA		 855
856 stat_calc_dist(ts->io_u_submit, ts->total_submit, io_u_dist);
a666cab8 857 log_buf(out, " submit : 0=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%, 16=%3.1f%%,"
838bc709
JA		 858 " 32=%3.1f%%, 64=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0],
859 io_u_dist[1], io_u_dist[2],
860 io_u_dist[3], io_u_dist[4],
861 io_u_dist[5], io_u_dist[6]);
862 stat_calc_dist(ts->io_u_complete, ts->total_complete, io_u_dist);
a666cab8 863 log_buf(out, " complete : 0=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%, 16=%3.1f%%,"
838bc709
JA		 864 " 32=%3.1f%%, 64=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0],
865 io_u_dist[1], io_u_dist[2],
866 io_u_dist[3], io_u_dist[4],
867 io_u_dist[5], io_u_dist[6]);
7f3ecee2
JA		 868 log_buf(out, " issued rwts: total=%llu,%llu,%llu,%llu"
869 " short=%llu,%llu,%llu,0"
870 " dropped=%llu,%llu,%llu,0\n",
4e0a8fa2
JA		 871 (unsigned long long) ts->total_io_u[0],
872 (unsigned long long) ts->total_io_u[1],
873 (unsigned long long) ts->total_io_u[2],
7f3ecee2 874 (unsigned long long) ts->total_io_u[3],
4e0a8fa2
JA		 875 (unsigned long long) ts->short_io_u[0],
876 (unsigned long long) ts->short_io_u[1],
3bcb9d94
JA		 877 (unsigned long long) ts->short_io_u[2],
878 (unsigned long long) ts->drop_io_u[0],
879 (unsigned long long) ts->drop_io_u[1],
880 (unsigned long long) ts->drop_io_u[2]);
f2bba182 881 if (ts->continue_on_error) {
a666cab8 882 log_buf(out, " errors : total=%llu, first_error=%d/<%s>\n",
4e0a8fa2 883 (unsigned long long)ts->total_err_count,
1ec99eea
JA		 884 ts->first_error,
885 strerror(ts->first_error));
f2bba182 886 }
3e260a46 887 if (ts->latency_depth) {
a666cab8 888 log_buf(out, " latency : target=%llu, window=%llu, percentile=%.2f%%, depth=%u\n",
3e260a46
JA		 889 (unsigned long long)ts->latency_target,
890 (unsigned long long)ts->latency_window,
891 ts->latency_percentile.u.f,
892 ts->latency_depth);
893 }
66347cfa
DE		 894
895 if (ts->nr_block_infos)
896 show_block_infos(ts->nr_block_infos, ts->block_infos,
a666cab8 897 ts->percentile_list, out);
d685adfb 898
bb49c8bd 899 if (ts->ss_dur)
d685adfb 900 show_ss_normal(ts, out);
3c39a379
JA		 901}
902
756867bd 903static void show_ddir_status_terse(struct thread_stat *ts,
a666cab8 904 struct group_run_stats *rs, int ddir,
a2c95580 905 int ver, struct buf_output *out)
c6ae0a5b 906{
d6bb626e
VF		 907 unsigned long long min, max, minv, maxv, bw, iops;
908 unsigned long long *ovals = NULL;
c6ae0a5b 909 double mean, dev;
d6bb626e 910 unsigned int len;
a2c95580 911 int i, bw_stat;
c6ae0a5b 912
ff58fced
JA		 913 assert(ddir_rw(ddir));
914
312b4af2
JA		 915 iops = bw = 0;
916 if (ts->runtime[ddir]) {
917 uint64_t runt = ts->runtime[ddir];
918
420b104a 919 bw = ((1000 * ts->io_bytes[ddir]) / runt) / 1024; /* KiB/s */
312b4af2
JA		 920 iops = (1000 * (uint64_t) ts->total_io_u[ddir]) / runt;
921 }
c6ae0a5b 922
a666cab8 923 log_buf(out, ";%llu;%llu;%llu;%llu",
4e0a8fa2
JA		 924 (unsigned long long) ts->io_bytes[ddir] >> 10, bw, iops,
925 (unsigned long long) ts->runtime[ddir]);
c6ae0a5b 926
079ad09b 927 if (calc_lat(&ts->slat_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
079ad09b 932 if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev))
247823cc 933 log_buf(out, ";%llu;%llu;%f;%f", min/1000, max/1000, mean/1000, dev/1000);
c6ae0a5b 934 else
d6bb626e 935 log_buf(out, ";%llu;%llu;%f;%f", 0ULL, 0ULL, 0.0, 0.0);
c6ae0a5b 936
b599759b 937 if (ts->clat_percentiles || ts->lat_percentiles) {
1db92cb6
JA		 938 len = calc_clat_percentiles(ts->io_u_plat[ddir],
939 ts->clat_stat[ddir].samples,
940 ts->percentile_list, &ovals, &maxv,
941 &minv);
942 } else
943 len = 0;
944
945 for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) {
946 if (i >= len) {
a666cab8 947 log_buf(out, ";0%%=0");
1db92cb6
JA		 948 continue;
949 }
247823cc 950 log_buf(out, ";%f%%=%llu", ts->percentile_list[i].u.f, ovals[i]/1000);
1db92cb6 951 }
2341a37a
K		 952
953 if (calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev))
247823cc 954 log_buf(out, ";%llu;%llu;%f;%f", min/1000, max/1000, mean/1000, dev/1000);
2341a37a 955 else
d6bb626e 956 log_buf(out, ";%llu;%llu;%f;%f", 0ULL, 0ULL, 0.0, 0.0);
2341a37a 957
1db92cb6
JA		 958 if (ovals)
959 free(ovals);
960
a2c95580
AH		 961 bw_stat = calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev);
962 if (bw_stat) {
19d3e967
JA		 963 double p_of_agg = 100.0;
964
965 if (rs->agg[ddir]) {
d1707474 966 p_of_agg = mean * 100 / (double) (rs->agg[ddir] / 1024);
19d3e967
JA		 967 if (p_of_agg > 100.0)
968 p_of_agg = 100.0;
969 }
c6ae0a5b 970
d6bb626e 971 log_buf(out, ";%llu;%llu;%f%%;%f;%f", min, max, p_of_agg, mean, dev);
c6ae0a5b 972 } else
d6bb626e 973 log_buf(out, ";%llu;%llu;%f%%;%f;%f", 0ULL, 0ULL, 0.0, 0.0, 0.0);
a2c95580
AH		 974
975 if (ver == 5) {
976 if (bw_stat)
29eb371b 977 log_buf(out, ";%" PRIu64, (&ts->bw_stat[ddir])->samples);
a2c95580
AH		 978 else
979 log_buf(out, ";%lu", 0UL);
980
981 if (calc_lat(&ts->iops_stat[ddir], &min, &max, &mean, &dev))
29eb371b 982 log_buf(out, ";%llu;%llu;%f;%f;%" PRIu64, min, max,
a2c95580
AH		 983 mean, dev, (&ts->iops_stat[ddir])->samples);
984 else
985 log_buf(out, ";%llu;%llu;%f;%f;%lu", 0ULL, 0ULL, 0.0, 0.0, 0UL);
986 }
c6ae0a5b
JA		 987}
988
cc372b17
SL		 989static void add_ddir_status_json(struct thread_stat *ts,
990 struct group_run_stats *rs, int ddir, struct json_object *parent)
991{
d6bb626e 992 unsigned long long min, max, minv, maxv;
aedd021d 993 unsigned long long bw_bytes, bw;
d6bb626e 994 unsigned long long *ovals = NULL;
9f68fe3a 995 double mean, dev, iops;
d6bb626e 996 unsigned int len;
cc372b17 997 int i;
24cab44e 998 struct json_object *dir_object, *tmp_object, *percentile_object, *clat_bins_object = NULL;
cc372b17
SL		 999 char buf[120];
1000 double p_of_agg = 100.0;
1001
b2b3eefe 1002 assert(ddir_rw(ddir) || ddir_sync(ddir));
cc372b17 1003
771e58be
JA		 1004 if (ts->unified_rw_rep && ddir != DDIR_READ)
1005 return;
1006
cc372b17 1007 dir_object = json_create_object();
771e58be 1008 json_object_add_value_object(parent,
425d3e0e 1009 ts->unified_rw_rep ? "mixed" : io_ddir_name(ddir), dir_object);
cc372b17 1010
b2b3eefe
JA		 1011 if (ddir_rw(ddir)) {
1012 bw_bytes = 0;
1013 bw = 0;
1014 iops = 0.0;
1015 if (ts->runtime[ddir]) {
1016 uint64_t runt = ts->runtime[ddir];
cc372b17 1017
b2b3eefe
JA		 1018 bw_bytes = ((1000 * ts->io_bytes[ddir]) / runt); /* Bytes/s */
1019 bw = bw_bytes / 1024; /* KiB/s */
1020 iops = (1000.0 * (uint64_t) ts->total_io_u[ddir]) / runt;
1021 }
cc372b17 1022
b2b3eefe
JA		 1023 json_object_add_value_int(dir_object, "io_bytes", ts->io_bytes[ddir]);
1024 json_object_add_value_int(dir_object, "io_kbytes", ts->io_bytes[ddir] >> 10);
1025 json_object_add_value_int(dir_object, "bw_bytes", bw_bytes);
1026 json_object_add_value_int(dir_object, "bw", bw);
1027 json_object_add_value_float(dir_object, "iops", iops);
1028 json_object_add_value_int(dir_object, "runtime", ts->runtime[ddir]);
1029 json_object_add_value_int(dir_object, "total_ios", ts->total_io_u[ddir]);
1030 json_object_add_value_int(dir_object, "short_ios", ts->short_io_u[ddir]);
1031 json_object_add_value_int(dir_object, "drop_ios", ts->drop_io_u[ddir]);
1032
1033 if (!calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev)) {
1034 min = max = 0;
1035 mean = dev = 0.0;
1036 }
1037 tmp_object = json_create_object();
1038 json_object_add_value_object(dir_object, "slat_ns", tmp_object);
1039 json_object_add_value_int(tmp_object, "min", min);
1040 json_object_add_value_int(tmp_object, "max", max);
1041 json_object_add_value_float(tmp_object, "mean", mean);
1042 json_object_add_value_float(tmp_object, "stddev", dev);
1043
1044 if (!calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev)) {
1045 min = max = 0;
1046 mean = dev = 0.0;
1047 }
1048 tmp_object = json_create_object();
1049 json_object_add_value_object(dir_object, "clat_ns", tmp_object);
1050 json_object_add_value_int(tmp_object, "min", min);
1051 json_object_add_value_int(tmp_object, "max", max);
1052 json_object_add_value_float(tmp_object, "mean", mean);
1053 json_object_add_value_float(tmp_object, "stddev", dev);
1054 } else {
1055 if (!calc_lat(&ts->sync_stat, &min, &max, &mean, &dev)) {
1056 min = max = 0;
1057 mean = dev = 0.0;
1058 }
cc372b17 1059
b2b3eefe
JA		 1060 tmp_object = json_create_object();
1061 json_object_add_value_object(dir_object, "lat_ns", tmp_object);
f5ec8123 1062 json_object_add_value_int(dir_object, "total_ios", ts->total_io_u[DDIR_SYNC]);
b2b3eefe
JA		 1063 json_object_add_value_int(tmp_object, "min", min);
1064 json_object_add_value_int(tmp_object, "max", max);
1065 json_object_add_value_float(tmp_object, "mean", mean);
1066 json_object_add_value_float(tmp_object, "stddev", dev);
cc372b17 1067 }
cc372b17 1068
b599759b 1069 if (ts->clat_percentiles || ts->lat_percentiles) {
b2b3eefe 1070 if (ddir_rw(ddir)) {
9f2cd5e0
JA		 1071 uint64_t samples;
1072
1073 if (ts->clat_percentiles)
1074 samples = ts->clat_stat[ddir].samples;
1075 else
1076 samples = ts->lat_stat[ddir].samples;
1077
b2b3eefe 1078 len = calc_clat_percentiles(ts->io_u_plat[ddir],
9f2cd5e0
JA		 1079 samples, ts->percentile_list, &ovals,
1080 &maxv, &minv);
b2b3eefe
JA		 1081 } else {
1082 len = calc_clat_percentiles(ts->io_u_sync_plat,
1083 ts->sync_stat.samples,
1084 ts->percentile_list, &ovals, &maxv,
1085 &minv);
1086 }
1087
702bd977
JA		 1088 if (len > FIO_IO_U_LIST_MAX_LEN)
1089 len = FIO_IO_U_LIST_MAX_LEN;
cc372b17
SL		 1090 } else
1091 len = 0;
1092
1093 percentile_object = json_create_object();
e5eb6fbf
VF		 1094 if (ts->clat_percentiles)
1095 json_object_add_value_object(tmp_object, "percentile", percentile_object);
702bd977 1096 for (i = 0; i < len; i++) {
435d195a 1097 snprintf(buf, sizeof(buf), "%f", ts->percentile_list[i].u.f);
cc372b17
SL		 1098 json_object_add_value_int(percentile_object, (const char *)buf, ovals[i]);
1099 }
1100
513e37ee
VF		 1101 if (output_format & FIO_OUTPUT_JSON_PLUS) {
1102 clat_bins_object = json_create_object();
24cab44e
VF		 1103 if (ts->clat_percentiles)
1104 json_object_add_value_object(tmp_object, "bins", clat_bins_object);
1105
513e37ee 1106 for(i = 0; i < FIO_IO_U_PLAT_NR; i++) {
b2b3eefe
JA		 1107 if (ddir_rw(ddir)) {
1108 if (ts->io_u_plat[ddir][i]) {
1109 snprintf(buf, sizeof(buf), "%llu", plat_idx_to_val(i));
1110 json_object_add_value_int(clat_bins_object, (const char *)buf, ts->io_u_plat[ddir][i]);
1111 }
1112 } else {
1113 if (ts->io_u_sync_plat[i]) {
1114 snprintf(buf, sizeof(buf), "%llu", plat_idx_to_val(i));
1115 json_object_add_value_int(clat_bins_object, (const char *)buf, ts->io_u_sync_plat[i]);
1116 }
129e4193 1117 }
513e37ee 1118 }
513e37ee
VF		 1119 }
1120
b2b3eefe
JA		 1121 if (!ddir_rw(ddir))
1122 return;
1123
cc372b17
SL		 1124 if (!calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev)) {
1125 min = max = 0;
1126 mean = dev = 0.0;
1127 }
1128 tmp_object = json_create_object();
d6bb626e 1129 json_object_add_value_object(dir_object, "lat_ns", tmp_object);
cc372b17
SL		 1130 json_object_add_value_int(tmp_object, "min", min);
1131 json_object_add_value_int(tmp_object, "max", max);
1132 json_object_add_value_float(tmp_object, "mean", mean);
1133 json_object_add_value_float(tmp_object, "stddev", dev);
e5eb6fbf
VF		 1134 if (ts->lat_percentiles)
1135 json_object_add_value_object(tmp_object, "percentile", percentile_object);
24cab44e
VF		 1136 if (output_format & FIO_OUTPUT_JSON_PLUS && ts->lat_percentiles)
1137 json_object_add_value_object(tmp_object, "bins", clat_bins_object);
1138
cc372b17
SL		 1139 if (ovals)
1140 free(ovals);
1141
b9e1b491 1142 if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) {
cc372b17 1143 if (rs->agg[ddir]) {
d1707474 1144 p_of_agg = mean * 100 / (double) (rs->agg[ddir] / 1024);
cc372b17
SL		 1145 if (p_of_agg > 100.0)
1146 p_of_agg = 100.0;
1147 }
1148 } else {
1149 min = max = 0;
1150 p_of_agg = mean = dev = 0.0;
1151 }
1152 json_object_add_value_int(dir_object, "bw_min", min);
1153 json_object_add_value_int(dir_object, "bw_max", max);
a806bf2e 1154 json_object_add_value_float(dir_object, "bw_agg", p_of_agg);
cc372b17
SL		 1155 json_object_add_value_float(dir_object, "bw_mean", mean);
1156 json_object_add_value_float(dir_object, "bw_dev", dev);
54c05828
AH		 1157 json_object_add_value_int(dir_object, "bw_samples",
1158 (&ts->bw_stat[ddir])->samples);
188b6016
AH		 1159
1160 if (!calc_lat(&ts->iops_stat[ddir], &min, &max, &mean, &dev)) {
1161 min = max = 0;
1162 mean = dev = 0.0;
1163 }
1164 json_object_add_value_int(dir_object, "iops_min", min);
1165 json_object_add_value_int(dir_object, "iops_max", max);
1166 json_object_add_value_float(dir_object, "iops_mean", mean);
1167 json_object_add_value_float(dir_object, "iops_stddev", dev);
54c05828
AH		 1168 json_object_add_value_int(dir_object, "iops_samples",
1169 (&ts->iops_stat[ddir])->samples);
96563db9
JA		 1170
1171 if (ts->cachehit + ts->cachemiss) {
1172 uint64_t total;
1173 double hit;
1174
1175 total = ts->cachehit + ts->cachemiss;
1176 hit = (double) ts->cachehit / (double) total;
1177 hit *= 100.0;
1178 json_object_add_value_float(dir_object, "cachehit", hit);
1179 }
cc372b17
SL		 1180}
1181
bef2112b
AH		 1182static void show_thread_status_terse_all(struct thread_stat *ts,
1183 struct group_run_stats *rs, int ver,
1184 struct buf_output *out)
4d658652
JA		 1185{
1186 double io_u_dist[FIO_IO_U_MAP_NR];
1187 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
1188 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
1189 double usr_cpu, sys_cpu;
1190 int i;
1191
1192 /* General Info */
bef2112b
AH		 1193 if (ver == 2)
1194 log_buf(out, "2;%s;%d;%d", ts->name, ts->groupid, ts->error);
1195 else
1196 log_buf(out, "%d;%s;%s;%d;%d", ver, fio_version_string,
1197 ts->name, ts->groupid, ts->error);
c6ae0a5b 1198
562c2d2f 1199 /* Log Read Status */
a2c95580 1200 show_ddir_status_terse(ts, rs, DDIR_READ, ver, out);
562c2d2f 1201 /* Log Write Status */
a2c95580 1202 show_ddir_status_terse(ts, rs, DDIR_WRITE, ver, out);
6eaf09d6 1203 /* Log Trim Status */
a2c95580
AH		 1204 if (ver == 2 || ver == 4 || ver == 5)
1205 show_ddir_status_terse(ts, rs, DDIR_TRIM, ver, out);
c6ae0a5b 1206
562c2d2f 1207 /* CPU Usage */
756867bd
JA		 1208 if (ts->total_run_time) {
1209 double runt = (double) ts->total_run_time;
c6ae0a5b 1210
756867bd
JA		 1211 usr_cpu = (double) ts->usr_time * 100 / runt;
1212 sys_cpu = (double) ts->sys_time * 100 / runt;
c6ae0a5b
JA		 1213 } else {
1214 usr_cpu = 0;
1215 sys_cpu = 0;
1216 }
1217
a666cab8 1218 log_buf(out, ";%f%%;%f%%;%llu;%llu;%llu", usr_cpu, sys_cpu,
4e0a8fa2
JA		 1219 (unsigned long long) ts->ctx,
1220 (unsigned long long) ts->majf,
1221 (unsigned long long) ts->minf);
2270890c 1222
562c2d2f 1223 /* Calc % distribution of IO depths, usecond, msecond latency */
d79db122 1224 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
247823cc 1225 stat_calc_lat_nu(ts, io_u_lat_u);
04a0feae 1226 stat_calc_lat_m(ts, io_u_lat_m);
2270890c 1227
562c2d2f 1228 /* Only show fixed 7 I/O depth levels*/
a666cab8 1229 log_buf(out, ";%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%",
5ec10eaa
JA		 1230 io_u_dist[0], io_u_dist[1], io_u_dist[2], io_u_dist[3],
1231 io_u_dist[4], io_u_dist[5], io_u_dist[6]);
2270890c 1232
562c2d2f 1233 /* Microsecond latency */
04a0feae 1234 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++)
a666cab8 1235 log_buf(out, ";%3.2f%%", io_u_lat_u[i]);
562c2d2f 1236 /* Millisecond latency */
04a0feae 1237 for (i = 0; i < FIO_IO_U_LAT_M_NR; i++)
a666cab8 1238 log_buf(out, ";%3.2f%%", io_u_lat_m[i]);
f2f788dd
JA		 1239
1240 /* disk util stats, if any */
24a97130 1241 if (ver >= 3 && is_running_backend())
bef2112b 1242 show_disk_util(1, NULL, out);
f2f788dd 1243
562c2d2f 1244 /* Additional output if continue_on_error set - default off*/
f2bba182 1245 if (ts->continue_on_error)
a666cab8 1246 log_buf(out, ";%llu;%d", (unsigned long long) ts->total_err_count, ts->first_error);
bef2112b
AH		 1247 if (ver == 2)
1248 log_buf(out, "\n");
2270890c 1249
562c2d2f 1250 /* Additional output if description is set */
4b0f2258 1251 if (strlen(ts->description))
a666cab8 1252 log_buf(out, ";%s", ts->description);
946e4276 1253
a666cab8 1254 log_buf(out, "\n");
756867bd
JA		 1255}
1256
a89ba4b1 1257static void json_add_job_opts(struct json_object *root, const char *name,
0cf542af 1258 struct flist_head *opt_list)
66e19a38
JA		 1259{
1260 struct json_object *dir_object;
1261 struct flist_head *entry;
1262 struct print_option *p;
1263
1264 if (flist_empty(opt_list))
1265 return;
1266
1267 dir_object = json_create_object();
1268 json_object_add_value_object(root, name, dir_object);
1269
1270 flist_for_each(entry, opt_list) {
1271 const char *pos = "";
1272
1273 p = flist_entry(entry, struct print_option, list);
1274 if (p->value)
1275 pos = p->value;
1276 json_object_add_value_string(dir_object, p->name, pos);
1277 }
1278}
1279
cc372b17 1280static struct json_object *show_thread_status_json(struct thread_stat *ts,
66e19a38
JA		 1281 struct group_run_stats *rs,
1282 struct flist_head *opt_list)
cc372b17
SL		 1283{
1284 struct json_object *root, *tmp;
b01af66b 1285 struct jobs_eta *je;
cc372b17 1286 double io_u_dist[FIO_IO_U_MAP_NR];
d6bb626e 1287 double io_u_lat_n[FIO_IO_U_LAT_N_NR];
cc372b17
SL		 1288 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
1289 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
1290 double usr_cpu, sys_cpu;
1291 int i;
b01af66b
CJ		 1292 size_t size;
1293
cc372b17
SL		 1294 root = json_create_object();
1295 json_object_add_value_string(root, "jobname", ts->name);
1296 json_object_add_value_int(root, "groupid", ts->groupid);
1297 json_object_add_value_int(root, "error", ts->error);
1298
b01af66b 1299 /* ETA Info */
c5103619 1300 je = get_jobs_eta(true, &size);
2de615ad
JA		 1301 if (je) {
1302 json_object_add_value_int(root, "eta", je->eta_sec);
1303 json_object_add_value_int(root, "elapsed", je->elapsed_sec);
1304 }
b01af66b 1305
66e19a38 1306 if (opt_list)
0cf542af 1307 json_add_job_opts(root, "job options", opt_list);
66e19a38 1308
cc372b17
SL		 1309 add_ddir_status_json(ts, rs, DDIR_READ, root);
1310 add_ddir_status_json(ts, rs, DDIR_WRITE, root);
f3afa57e 1311 add_ddir_status_json(ts, rs, DDIR_TRIM, root);
b2b3eefe 1312 add_ddir_status_json(ts, rs, DDIR_SYNC, root);
cc372b17
SL		 1313
1314 /* CPU Usage */
1315 if (ts->total_run_time) {
1316 double runt = (double) ts->total_run_time;
1317
1318 usr_cpu = (double) ts->usr_time * 100 / runt;
1319 sys_cpu = (double) ts->sys_time * 100 / runt;
1320 } else {
1321 usr_cpu = 0;
1322 sys_cpu = 0;
1323 }
bcbb4c6c 1324 json_object_add_value_int(root, "job_runtime", ts->total_run_time);
cc372b17
SL		 1325 json_object_add_value_float(root, "usr_cpu", usr_cpu);
1326 json_object_add_value_float(root, "sys_cpu", sys_cpu);
1327 json_object_add_value_int(root, "ctx", ts->ctx);
1328 json_object_add_value_int(root, "majf", ts->majf);
1329 json_object_add_value_int(root, "minf", ts->minf);
1330
ec3e3648 1331 /* Calc % distribution of IO depths */
d79db122 1332 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
cc372b17
SL		 1333 tmp = json_create_object();
1334 json_object_add_value_object(root, "iodepth_level", tmp);
1335 /* Only show fixed 7 I/O depth levels*/
1336 for (i = 0; i < 7; i++) {
1337 char name[20];
1338 if (i < 6)
98ffb8f3 1339 snprintf(name, 20, "%d", 1 << i);
cc372b17 1340 else
98ffb8f3 1341 snprintf(name, 20, ">=%d", 1 << i);
cc372b17
SL		 1342 json_object_add_value_float(tmp, (const char *)name, io_u_dist[i]);
1343 }
1344
ec3e3648
VF		 1345 /* Calc % distribution of submit IO depths */
1346 stat_calc_dist(ts->io_u_submit, ts->total_submit, io_u_dist);
1347 tmp = json_create_object();
1348 json_object_add_value_object(root, "iodepth_submit", tmp);
1349 /* Only show fixed 7 I/O depth levels*/
1350 for (i = 0; i < 7; i++) {
1351 char name[20];
1352 if (i == 0)
1353 snprintf(name, 20, "0");
1354 else if (i < 6)
1355 snprintf(name, 20, "%d", 1 << (i+1));
1356 else
1357 snprintf(name, 20, ">=%d", 1 << i);
1358 json_object_add_value_float(tmp, (const char *)name, io_u_dist[i]);
1359 }
1360
1361 /* Calc % distribution of completion IO depths */
1362 stat_calc_dist(ts->io_u_complete, ts->total_complete, io_u_dist);
1363 tmp = json_create_object();
1364 json_object_add_value_object(root, "iodepth_complete", tmp);
1365 /* Only show fixed 7 I/O depth levels*/
1366 for (i = 0; i < 7; i++) {
1367 char name[20];
1368 if (i == 0)
1369 snprintf(name, 20, "0");
1370 else if (i < 6)
1371 snprintf(name, 20, "%d", 1 << (i+1));
1372 else
1373 snprintf(name, 20, ">=%d", 1 << i);
1374 json_object_add_value_float(tmp, (const char *)name, io_u_dist[i]);
1375 }
1376
1377 /* Calc % distribution of nsecond, usecond, msecond latency */
1378 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
1379 stat_calc_lat_n(ts, io_u_lat_n);
1380 stat_calc_lat_u(ts, io_u_lat_u);
1381 stat_calc_lat_m(ts, io_u_lat_m);
1382
d6bb626e 1383 /* Nanosecond latency */
cc372b17 1384 tmp = json_create_object();
d6bb626e
VF		 1385 json_object_add_value_object(root, "latency_ns", tmp);
1386 for (i = 0; i < FIO_IO_U_LAT_N_NR; i++) {
1387 const char *ranges[] = { "2", "4", "10", "20", "50", "100",
1388 "250", "500", "750", "1000", };
1389 json_object_add_value_float(tmp, ranges[i], io_u_lat_n[i]);
1390 }
cc372b17 1391 /* Microsecond latency */
d6bb626e
VF		 1392 tmp = json_create_object();
1393 json_object_add_value_object(root, "latency_us", tmp);
cc372b17
SL		 1394 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) {
1395 const char *ranges[] = { "2", "4", "10", "20", "50", "100",
1396 "250", "500", "750", "1000", };
1397 json_object_add_value_float(tmp, ranges[i], io_u_lat_u[i]);
1398 }
1399 /* Millisecond latency */
1400 tmp = json_create_object();
1401 json_object_add_value_object(root, "latency_ms", tmp);
1402 for (i = 0; i < FIO_IO_U_LAT_M_NR; i++) {
1403 const char *ranges[] = { "2", "4", "10", "20", "50", "100",
1404 "250", "500", "750", "1000", "2000",
1405 ">=2000", };
1406 json_object_add_value_float(tmp, ranges[i], io_u_lat_m[i]);
1407 }
1408
1409 /* Additional output if continue_on_error set - default off*/
1410 if (ts->continue_on_error) {
1411 json_object_add_value_int(root, "total_err", ts->total_err_count);
952b05e0 1412 json_object_add_value_int(root, "first_error", ts->first_error);
cc372b17
SL		 1413 }
1414
3e260a46
JA		 1415 if (ts->latency_depth) {
1416 json_object_add_value_int(root, "latency_depth", ts->latency_depth);
1417 json_object_add_value_int(root, "latency_target", ts->latency_target);
1418 json_object_add_value_float(root, "latency_percentile", ts->latency_percentile.u.f);
1419 json_object_add_value_int(root, "latency_window", ts->latency_window);
1420 }
1421
cc372b17
SL		 1422 /* Additional output if description is set */
1423 if (strlen(ts->description))
1424 json_object_add_value_string(root, "desc", ts->description);
1425
66347cfa
DE		 1426 if (ts->nr_block_infos) {
1427 /* Block error histogram and types */
1428 int len;
1429 unsigned int *percentiles = NULL;
1430 unsigned int block_state_counts[BLOCK_STATE_COUNT];
1431
1432 len = calc_block_percentiles(ts->nr_block_infos, ts->block_infos,
1433 ts->percentile_list,
1434 &percentiles, block_state_counts);
1435
1436 if (len) {
1437 struct json_object *block, *percentile_object, *states;
8a68c41c 1438 int state;
66347cfa
DE		 1439 block = json_create_object();
1440 json_object_add_value_object(root, "block", block);
1441
1442 percentile_object = json_create_object();
1443 json_object_add_value_object(block, "percentiles",
1444 percentile_object);
1445 for (i = 0; i < len; i++) {
1446 char buf[20];
1447 snprintf(buf, sizeof(buf), "%f",
1448 ts->percentile_list[i].u.f);
1449 json_object_add_value_int(percentile_object,
1450 (const char *)buf,
1451 percentiles[i]);
1452 }
1453
1454 states = json_create_object();
1455 json_object_add_value_object(block, "states", states);
1456 for (state = 0; state < BLOCK_STATE_COUNT; state++) {
1457 json_object_add_value_int(states,
1458 block_state_names[state],
1459 block_state_counts[state]);
1460 }
1461 free(percentiles);
1462 }
1463 }
1464
bb49c8bd 1465 if (ts->ss_dur) {
ba8fb6f6
VF		 1466 struct json_object *data;
1467 struct json_array *iops, *bw;
a43f4461 1468 int j, k, l;
6da94b07 1469 char ss_buf[64];
16e56d25 1470
6da94b07 1471 snprintf(ss_buf, sizeof(ss_buf), "%s%s:%f%s",
c8caba48
JA		 1472 ts->ss_state & FIO_SS_IOPS ? "iops" : "bw",
1473 ts->ss_state & FIO_SS_SLOPE ? "_slope" : "",
bb49c8bd 1474 (float) ts->ss_limit.u.f,
c8caba48 1475 ts->ss_state & FIO_SS_PCT ? "%" : "");
16e56d25
VF		 1476
1477 tmp = json_create_object();
1478 json_object_add_value_object(root, "steadystate", tmp);
6da94b07 1479 json_object_add_value_string(tmp, "ss", ss_buf);
bb49c8bd 1480 json_object_add_value_int(tmp, "duration", (int)ts->ss_dur);
c8caba48 1481 json_object_add_value_int(tmp, "attained", (ts->ss_state & FIO_SS_ATTAINED) > 0);
6da94b07 1482
bb49c8bd 1483 snprintf(ss_buf, sizeof(ss_buf), "%f%s", (float) ts->ss_criterion.u.f,
c8caba48 1484 ts->ss_state & FIO_SS_PCT ? "%" : "");
6da94b07 1485 json_object_add_value_string(tmp, "criterion", ss_buf);
bb49c8bd
VF		 1486 json_object_add_value_float(tmp, "max_deviation", ts->ss_deviation.u.f);
1487 json_object_add_value_float(tmp, "slope", ts->ss_slope.u.f);
ba8fb6f6
VF		 1488
1489 data = json_create_object();
1490 json_object_add_value_object(tmp, "data", data);
1491 bw = json_create_array();
1492 iops = json_create_array();
412c7d91
VF		 1493
1494 /*
1495 ** if ss was attained or the buffer is not full,
1496 ** ss->head points to the first element in the list.
1497 ** otherwise it actually points to the second element
1498 ** in the list
1499 */
c8caba48 1500 if ((ts->ss_state & FIO_SS_ATTAINED) || !(ts->ss_state & FIO_SS_BUFFER_FULL))
bb49c8bd 1501 j = ts->ss_head;
412c7d91 1502 else
bb49c8bd 1503 j = ts->ss_head == 0 ? ts->ss_dur - 1 : ts->ss_head - 1;
a43f4461
JA		 1504 for (l = 0; l < ts->ss_dur; l++) {
1505 k = (j + l) % ts->ss_dur;
bb49c8bd
VF		 1506 json_array_add_value_int(bw, ts->ss_bw_data[k]);
1507 json_array_add_value_int(iops, ts->ss_iops_data[k]);
16e56d25 1508 }
bb49c8bd
VF		 1509 json_object_add_value_int(data, "bw_mean", steadystate_bw_mean(ts));
1510 json_object_add_value_int(data, "iops_mean", steadystate_iops_mean(ts));
6da94b07
VF		 1511 json_object_add_value_array(data, "iops", iops);
1512 json_object_add_value_array(data, "bw", bw);
16e56d25
VF		 1513 }
1514
cc372b17
SL		 1515 return root;
1516}
1517
4d658652 1518static void show_thread_status_terse(struct thread_stat *ts,
a666cab8
JA		 1519 struct group_run_stats *rs,
1520 struct buf_output *out)
4d658652 1521{
a2c95580 1522 if (terse_version >= 2 && terse_version <= 5)
bef2112b 1523 show_thread_status_terse_all(ts, rs, terse_version, out);
4d658652
JA		 1524 else
1525 log_err("fio: bad terse version!? %d\n", terse_version);
1526}
1527
952b05e0 1528struct json_object *show_thread_status(struct thread_stat *ts,
a666cab8 1529 struct group_run_stats *rs,
0279b880 1530 struct flist_head *opt_list,
a666cab8 1531 struct buf_output *out)
952b05e0 1532{
129fb2d4
JA		 1533 struct json_object *ret = NULL;
1534
1535 if (output_format & FIO_OUTPUT_TERSE)
a666cab8 1536 show_thread_status_terse(ts, rs, out);
129fb2d4 1537 if (output_format & FIO_OUTPUT_JSON)
0279b880 1538 ret = show_thread_status_json(ts, rs, opt_list);
129fb2d4 1539 if (output_format & FIO_OUTPUT_NORMAL)
a666cab8 1540 show_thread_status_normal(ts, rs, out);
129fb2d4
JA		 1541
1542 return ret;
952b05e0
CF		 1543}
1544
70750d6a 1545static void __sum_stat(struct io_stat *dst, struct io_stat *src, bool first)
756867bd
JA		 1546{
1547 double mean, S;
1548
1549 dst->min_val = min(dst->min_val, src->min_val);
1550 dst->max_val = max(dst->max_val, src->max_val);
756867bd
JA		 1551
1552 /*
cdcac5cf
YH		 1553 * Compute new mean and S after the merge
1554 * <http://en.wikipedia.org/wiki/Algorithms_for_calculating_variance
1555 * #Parallel_algorithm>
756867bd 1556 */
fd595830 1557 if (first) {
802ad4a8
JA		 1558 mean = src->mean.u.f;
1559 S = src->S.u.f;
756867bd 1560 } else {
802ad4a8 1561 double delta = src->mean.u.f - dst->mean.u.f;
cdcac5cf 1562
802ad4a8
JA		 1563 mean = ((src->mean.u.f * src->samples) +
1564 (dst->mean.u.f * dst->samples)) /
cdcac5cf
YH		 1565 (dst->samples + src->samples);
1566
802ad4a8 1567 S = src->S.u.f + dst->S.u.f + pow(delta, 2.0) *
cdcac5cf
YH		 1568 (dst->samples * src->samples) /
1569 (dst->samples + src->samples);
756867bd
JA		 1570 }
1571
cdcac5cf 1572 dst->samples += src->samples;
802ad4a8
JA		 1573 dst->mean.u.f = mean;
1574 dst->S.u.f = S;
70750d6a
JA		 1575
1576}
1577
1578/*
1579 * We sum two kinds of stats - one that is time based, in which case we
1580 * apply the proper summing technique, and then one that is iops/bw
1581 * numbers. For group_reporting, we should just add those up, not make
1582 * them the mean of everything.
1583 */
1584static void sum_stat(struct io_stat *dst, struct io_stat *src, bool first,
1585 bool pure_sum)
1586{
1587 if (src->samples == 0)
1588 return;
1589
1590 if (!pure_sum) {
1591 __sum_stat(dst, src, first);
1592 return;
1593 }
1594
68afa5b5
JA		 1595 if (first) {
1596 dst->min_val = src->min_val;
1597 dst->max_val = src->max_val;
1598 dst->samples = src->samples;
1599 dst->mean.u.f = src->mean.u.f;
1600 dst->S.u.f = src->S.u.f;
1601 } else {
1602 dst->min_val += src->min_val;
1603 dst->max_val += src->max_val;
1604 dst->samples += src->samples;
1605 dst->mean.u.f += src->mean.u.f;
1606 dst->S.u.f += src->S.u.f;
1607 }
756867bd
JA		 1608}
1609
37f0c1ae
JA		 1610void sum_group_stats(struct group_run_stats *dst, struct group_run_stats *src)
1611{
1612 int i;
1613
6eaf09d6 1614 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
37f0c1ae
JA		 1615 if (dst->max_run[i] < src->max_run[i])
1616 dst->max_run[i] = src->max_run[i];
1617 if (dst->min_run[i] && dst->min_run[i] > src->min_run[i])
1618 dst->min_run[i] = src->min_run[i];
1619 if (dst->max_bw[i] < src->max_bw[i])
1620 dst->max_bw[i] = src->max_bw[i];
1621 if (dst->min_bw[i] && dst->min_bw[i] > src->min_bw[i])
1622 dst->min_bw[i] = src->min_bw[i];
1623
af7f87cb 1624 dst->iobytes[i] += src->iobytes[i];
37f0c1ae
JA		 1625 dst->agg[i] += src->agg[i];
1626 }
1627
dbae1bd6
JA		 1628 if (!dst->kb_base)
1629 dst->kb_base = src->kb_base;
1630 if (!dst->unit_base)
1631 dst->unit_base = src->unit_base;
18aa1998
JF		 1632 if (!dst->sig_figs)
1633 dst->sig_figs = src->sig_figs;
37f0c1ae
JA		 1634}
1635
fd595830
JA		 1636void sum_thread_stats(struct thread_stat *dst, struct thread_stat *src,
1637 bool first)
5b9babb7
JA		 1638{
1639 int l, k;
1640
6eaf09d6 1641 for (l = 0; l < DDIR_RWDIR_CNT; l++) {
771e58be 1642 if (!dst->unified_rw_rep) {
70750d6a
JA		 1643 sum_stat(&dst->clat_stat[l], &src->clat_stat[l], first, false);
1644 sum_stat(&dst->slat_stat[l], &src->slat_stat[l], first, false);
1645 sum_stat(&dst->lat_stat[l], &src->lat_stat[l], first, false);
1646 sum_stat(&dst->bw_stat[l], &src->bw_stat[l], first, true);
1647 sum_stat(&dst->iops_stat[l], &src->iops_stat[l], first, true);
771e58be
JA		 1648
1649 dst->io_bytes[l] += src->io_bytes[l];
1650
1651 if (dst->runtime[l] < src->runtime[l])
1652 dst->runtime[l] = src->runtime[l];
1653 } else {
70750d6a
JA		 1654 sum_stat(&dst->clat_stat[0], &src->clat_stat[l], first, false);
1655 sum_stat(&dst->slat_stat[0], &src->slat_stat[l], first, false);
1656 sum_stat(&dst->lat_stat[0], &src->lat_stat[l], first, false);
1657 sum_stat(&dst->bw_stat[0], &src->bw_stat[l], first, true);
1658 sum_stat(&dst->iops_stat[0], &src->iops_stat[l], first, true);
771e58be
JA		 1659
1660 dst->io_bytes[0] += src->io_bytes[l];
1661
1662 if (dst->runtime[0] < src->runtime[l])
1663 dst->runtime[0] = src->runtime[l];
fd595830
JA		 1664
1665 /*
1666 * We're summing to the same destination, so override
1667 * 'first' after the first iteration of the loop
1668 */
1669 first = false;
771e58be 1670 }
5b9babb7
JA		 1671 }
1672
70750d6a 1673 sum_stat(&dst->sync_stat, &src->sync_stat, first, false);
5b9babb7
JA		 1674 dst->usr_time += src->usr_time;
1675 dst->sys_time += src->sys_time;
1676 dst->ctx += src->ctx;
1677 dst->majf += src->majf;
1678 dst->minf += src->minf;
1679
b2b3eefe 1680 for (k = 0; k < FIO_IO_U_MAP_NR; k++) {
5b9babb7 1681 dst->io_u_map[k] += src->io_u_map[k];
5b9babb7 1682 dst->io_u_submit[k] += src->io_u_submit[k];
5b9babb7 1683 dst->io_u_complete[k] += src->io_u_complete[k];
b2b3eefe
JA		 1684 }
1685 for (k = 0; k < FIO_IO_U_LAT_N_NR; k++) {
d6bb626e 1686 dst->io_u_lat_n[k] += src->io_u_lat_n[k];
5b9babb7 1687 dst->io_u_lat_u[k] += src->io_u_lat_u[k];
5b9babb7 1688 dst->io_u_lat_m[k] += src->io_u_lat_m[k];
b2b3eefe
JA		 1689 }
1690 for (k = 0; k < FIO_IO_U_PLAT_NR; k++)
1691 dst->io_u_sync_plat[k] += src->io_u_sync_plat[k];
5b9babb7 1692
6eaf09d6 1693 for (k = 0; k < DDIR_RWDIR_CNT; k++) {
771e58be
JA		 1694 if (!dst->unified_rw_rep) {
1695 dst->total_io_u[k] += src->total_io_u[k];
1696 dst->short_io_u[k] += src->short_io_u[k];
3bcb9d94 1697 dst->drop_io_u[k] += src->drop_io_u[k];
771e58be
JA		 1698 } else {
1699 dst->total_io_u[0] += src->total_io_u[k];
1700 dst->short_io_u[0] += src->short_io_u[k];
3bcb9d94 1701 dst->drop_io_u[0] += src->drop_io_u[k];
771e58be 1702 }
5b9babb7
JA		 1703 }
1704
7f3ecee2
JA		 1705 dst->total_io_u[DDIR_SYNC] += src->total_io_u[DDIR_SYNC];
1706
6eaf09d6 1707 for (k = 0; k < DDIR_RWDIR_CNT; k++) {
5b9babb7 1708 int m;
771e58be
JA		 1709
1710 for (m = 0; m < FIO_IO_U_PLAT_NR; m++) {
1711 if (!dst->unified_rw_rep)
1712 dst->io_u_plat[k][m] += src->io_u_plat[k][m];
1713 else
1714 dst->io_u_plat[0][m] += src->io_u_plat[k][m];
1715 }
5b9babb7
JA		 1716 }
1717
1718 dst->total_run_time += src->total_run_time;
1719 dst->total_submit += src->total_submit;
1720 dst->total_complete += src->total_complete;
fd5d733f 1721 dst->nr_zone_resets += src->nr_zone_resets;
96563db9
JA		 1722 dst->cachehit += src->cachehit;
1723 dst->cachemiss += src->cachemiss;
5b9babb7
JA		 1724}
1725
37f0c1ae
JA		 1726void init_group_run_stat(struct group_run_stats *gs)
1727{
6eaf09d6 1728 int i;
37f0c1ae 1729 memset(gs, 0, sizeof(*gs));
6eaf09d6
SL		 1730
1731 for (i = 0; i < DDIR_RWDIR_CNT; i++)
1732 gs->min_bw[i] = gs->min_run[i] = ~0UL;
37f0c1ae
JA		 1733}
1734
1735void init_thread_stat(struct thread_stat *ts)
1736{
1737 int j;
1738
1739 memset(ts, 0, sizeof(*ts));
1740
6eaf09d6 1741 for (j = 0; j < DDIR_RWDIR_CNT; j++) {
37f0c1ae
JA		 1742 ts->lat_stat[j].min_val = -1UL;
1743 ts->clat_stat[j].min_val = -1UL;
1744 ts->slat_stat[j].min_val = -1UL;
1745 ts->bw_stat[j].min_val = -1UL;
188b6016 1746 ts->iops_stat[j].min_val = -1UL;
37f0c1ae 1747 }
7f3ecee2 1748 ts->sync_stat.min_val = -1UL;
37f0c1ae
JA		 1749 ts->groupid = -1;
1750}
1751
83f7b64e 1752void __show_run_stats(void)
3c39a379
JA		 1753{
1754 struct group_run_stats *runstats, *rs;
1755 struct thread_data *td;
756867bd 1756 struct thread_stat *threadstats, *ts;
4da24b69 1757 int i, j, k, nr_ts, last_ts, idx;
8985b491
JA		 1758 bool kb_base_warned = false;
1759 bool unit_base_warned = false;
cc372b17
SL		 1760 struct json_object *root = NULL;
1761 struct json_array *array = NULL;
a666cab8 1762 struct buf_output output[FIO_OUTPUT_NR];
66e19a38 1763 struct flist_head **opt_lists;
a666cab8 1764
3c39a379
JA		 1765 runstats = malloc(sizeof(struct group_run_stats) * (groupid + 1));
1766
37f0c1ae
JA		 1767 for (i = 0; i < groupid + 1; i++)
1768 init_group_run_stat(&runstats[i]);
3c39a379 1769
756867bd
JA		 1770 /*
1771 * find out how many threads stats we need. if group reporting isn't
1772 * enabled, it's one-per-td.
1773 */
1774 nr_ts = 0;
1775 last_ts = -1;
1776 for_each_td(td, i) {
2dc1bbeb 1777 if (!td->o.group_reporting) {
756867bd
JA		 1778 nr_ts++;
1779 continue;
1780 }
1781 if (last_ts == td->groupid)
1782 continue;
8243be59
JA		 1783 if (!td->o.stats)
1784 continue;
756867bd
JA		 1785
1786 last_ts = td->groupid;
1787 nr_ts++;
1788 }
1789
1790 threadstats = malloc(nr_ts * sizeof(struct thread_stat));
66e19a38 1791 opt_lists = malloc(nr_ts * sizeof(struct flist_head *));
756867bd 1792
66e19a38 1793 for (i = 0; i < nr_ts; i++) {
37f0c1ae 1794 init_thread_stat(&threadstats[i]);
66e19a38
JA		 1795 opt_lists[i] = NULL;
1796 }
756867bd
JA		 1797
1798 j = 0;
1799 last_ts = -1;
197574e4 1800 idx = 0;
34572e28 1801 for_each_td(td, i) {
8243be59
JA		 1802 if (!td->o.stats)
1803 continue;
2dc1bbeb
JA		 1804 if (idx && (!td->o.group_reporting ||
1805 (td->o.group_reporting && last_ts != td->groupid))) {
7abd0e3a
JA		 1806 idx = 0;
1807 j++;
1808 }
1809
1810 last_ts = td->groupid;
1811
756867bd
JA		 1812 ts = &threadstats[j];
1813
83349190 1814 ts->clat_percentiles = td->o.clat_percentiles;
b599759b 1815 ts->lat_percentiles = td->o.lat_percentiles;
435d195a 1816 ts->percentile_precision = td->o.percentile_precision;
fd112d34 1817 memcpy(ts->percentile_list, td->o.percentile_list, sizeof(td->o.percentile_list));
66e19a38 1818 opt_lists[j] = &td->opt_list;
83349190 1819
197574e4 1820 idx++;
6586ee89 1821 ts->members++;
756867bd 1822
7abd0e3a 1823 if (ts->groupid == -1) {
2dc84ba7
JA		 1824 /*
1825 * These are per-group shared already
1826 */
4e59d0f3 1827 strncpy(ts->name, td->o.name, FIO_JOBNAME_SIZE - 1);
a64e88da
JA		 1828 if (td->o.description)
1829 strncpy(ts->description, td->o.description,
4e59d0f3 1830 FIO_JOBDESC_SIZE - 1);
a64e88da 1831 else
4e59d0f3 1832 memset(ts->description, 0, FIO_JOBDESC_SIZE);
a64e88da 1833
2f122b13
JA		 1834 /*
1835 * If multiple entries in this group, this is
1836 * the first member.
1837 */
1838 ts->thread_number = td->thread_number;
756867bd 1839 ts->groupid = td->groupid;
2dc84ba7
JA		 1840
1841 /*
1842 * first pid in group, not very useful...
1843 */
756867bd 1844 ts->pid = td->pid;
90fef2d1
JA		 1845
1846 ts->kb_base = td->o.kb_base;
ad705bcb 1847 ts->unit_base = td->o.unit_base;
e883cb35 1848 ts->sig_figs = td->o.sig_figs;
771e58be 1849 ts->unified_rw_rep = td->o.unified_rw_rep;
90fef2d1
JA		 1850 } else if (ts->kb_base != td->o.kb_base && !kb_base_warned) {
1851 log_info("fio: kb_base differs for jobs in group, using"
1852 " %u as the base\n", ts->kb_base);
8985b491 1853 kb_base_warned = true;
ad705bcb
SN		 1854 } else if (ts->unit_base != td->o.unit_base && !unit_base_warned) {
1855 log_info("fio: unit_base differs for jobs in group, using"
1856 " %u as the base\n", ts->unit_base);
8985b491 1857 unit_base_warned = true;
2dc84ba7
JA		 1858 }
1859
f2bba182
RR		 1860 ts->continue_on_error = td->o.continue_on_error;
1861 ts->total_err_count += td->total_err_count;
1862 ts->first_error = td->first_error;
1863 if (!ts->error) {
1864 if (!td->error && td->o.continue_on_error &&
1865 td->first_error) {
1866 ts->error = td->first_error;
3660ceae
JA		 1867 ts->verror[sizeof(ts->verror) - 1] = '\0';
1868 strncpy(ts->verror, td->verror, sizeof(ts->verror) - 1);
f2bba182
RR		 1869 } else if (td->error) {
1870 ts->error = td->error;
3660ceae
JA		 1871 ts->verror[sizeof(ts->verror) - 1] = '\0';
1872 strncpy(ts->verror, td->verror, sizeof(ts->verror) - 1);
f2bba182 1873 }
756867bd
JA		 1874 }
1875
3e260a46
JA		 1876 ts->latency_depth = td->latency_qd;
1877 ts->latency_target = td->o.latency_target;
1878 ts->latency_percentile = td->o.latency_percentile;
1879 ts->latency_window = td->o.latency_window;
1880
0e4dd95c 1881 ts->nr_block_infos = td->ts.nr_block_infos;
4da24b69
JA		 1882 for (k = 0; k < ts->nr_block_infos; k++)
1883 ts->block_infos[k] = td->ts.block_infos[k];
0e4dd95c 1884
fd595830 1885 sum_thread_stats(ts, &td->ts, idx == 1);
16e56d25 1886
bb49c8bd
VF		 1887 if (td->o.ss_dur) {
1888 ts->ss_state = td->ss.state;
1889 ts->ss_dur = td->ss.dur;
1890 ts->ss_head = td->ss.head;
bb49c8bd
VF		 1891 ts->ss_bw_data = td->ss.bw_data;
1892 ts->ss_iops_data = td->ss.iops_data;
1893 ts->ss_limit.u.f = td->ss.limit;
1894 ts->ss_slope.u.f = td->ss.slope;
1895 ts->ss_deviation.u.f = td->ss.deviation;
1896 ts->ss_criterion.u.f = td->ss.criterion;
1897 }
16e56d25 1898 else
bb49c8bd 1899 ts->ss_dur = ts->ss_state = 0;
756867bd
JA		 1900 }
1901
1902 for (i = 0; i < nr_ts; i++) {
94370ac4 1903 unsigned long long bw;
3c39a379 1904
756867bd 1905 ts = &threadstats[i];
dedb88eb
JA		 1906 if (ts->groupid == -1)
1907 continue;
756867bd 1908 rs = &runstats[ts->groupid];
90fef2d1 1909 rs->kb_base = ts->kb_base;
ad705bcb 1910 rs->unit_base = ts->unit_base;
e883cb35 1911 rs->sig_figs = ts->sig_figs;
771e58be 1912 rs->unified_rw_rep += ts->unified_rw_rep;
3c39a379 1913
6eaf09d6 1914 for (j = 0; j < DDIR_RWDIR_CNT; j++) {
94370ac4
JA		 1915 if (!ts->runtime[j])
1916 continue;
1917 if (ts->runtime[j] < rs->min_run[j] || !rs->min_run[j])
1918 rs->min_run[j] = ts->runtime[j];
1919 if (ts->runtime[j] > rs->max_run[j])
1920 rs->max_run[j] = ts->runtime[j];
1921
1922 bw = 0;
af7f87cb
RE		 1923 if (ts->runtime[j])
1924 bw = ts->io_bytes[j] * 1000 / ts->runtime[j];
94370ac4
JA		 1925 if (bw < rs->min_bw[j])
1926 rs->min_bw[j] = bw;
1927 if (bw > rs->max_bw[j])
1928 rs->max_bw[j] = bw;
1929
af7f87cb 1930 rs->iobytes[j] += ts->io_bytes[j];
94370ac4 1931 }
3c39a379
JA		 1932 }
1933
1934 for (i = 0; i < groupid + 1; i++) {
6eaf09d6
SL		 1935 int ddir;
1936
3c39a379
JA		 1937 rs = &runstats[i];
1938
6eaf09d6
SL		 1939 for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++) {
1940 if (rs->max_run[ddir])
af7f87cb 1941 rs->agg[ddir] = (rs->iobytes[ddir] * 1000) /
6eaf09d6
SL		 1942 rs->max_run[ddir];
1943 }
3c39a379
JA		 1944 }
1945
a666cab8 1946 for (i = 0; i < FIO_OUTPUT_NR; i++)
e250c0a9 1947 buf_output_init(&output[i]);
a666cab8 1948
3c39a379
JA		 1949 /*
1950 * don't overwrite last signal output
1951 */
129fb2d4 1952 if (output_format & FIO_OUTPUT_NORMAL)
a666cab8 1953 log_buf(&output[__FIO_OUTPUT_NORMAL], "\n");
129fb2d4 1954 if (output_format & FIO_OUTPUT_JSON) {
66e19a38 1955 struct thread_data *global;
35326842 1956 char time_buf[32];
aa7d2ef0
RH		 1957 struct timeval now;
1958 unsigned long long ms_since_epoch;
afd74e2a 1959 time_t tv_sec;
91e53870 1960
aa7d2ef0
RH		 1961 gettimeofday(&now, NULL);
1962 ms_since_epoch = (unsigned long long)(now.tv_sec) * 1000 +
1963 (unsigned long long)(now.tv_usec) / 1000;
1964
afd74e2a
BVA		 1965 tv_sec = now.tv_sec;
1966 os_ctime_r(&tv_sec, time_buf, sizeof(time_buf));
1d272416
JA		 1967 if (time_buf[strlen(time_buf) - 1] == '\n')
1968 time_buf[strlen(time_buf) - 1] = '\0';
91e53870 1969
cc372b17
SL		 1970 root = json_create_object();
1971 json_object_add_value_string(root, "fio version", fio_version_string);
aa7d2ef0
RH		 1972 json_object_add_value_int(root, "timestamp", now.tv_sec);
1973 json_object_add_value_int(root, "timestamp_ms", ms_since_epoch);
91e53870 1974 json_object_add_value_string(root, "time", time_buf);
66e19a38 1975 global = get_global_options();
0cf542af 1976 json_add_job_opts(root, "global options", &global->opt_list);
cc372b17
SL		 1977 array = json_create_array();
1978 json_object_add_value_array(root, "jobs", array);
1979 }
3c39a379 1980
0279b880
JA		 1981 if (is_backend)
1982 fio_server_send_job_options(&get_global_options()->opt_list, -1U);
1983
756867bd
JA		 1984 for (i = 0; i < nr_ts; i++) {
1985 ts = &threadstats[i];
1986 rs = &runstats[ts->groupid];
3c39a379 1987
0279b880
JA		 1988 if (is_backend) {
1989 fio_server_send_job_options(opt_lists[i], i);
a64e88da 1990 fio_server_send_ts(ts, rs);
0279b880 1991 } else {
129fb2d4 1992 if (output_format & FIO_OUTPUT_TERSE)
a666cab8 1993 show_thread_status_terse(ts, rs, &output[__FIO_OUTPUT_TERSE]);
129fb2d4 1994 if (output_format & FIO_OUTPUT_JSON) {
66e19a38 1995 struct json_object *tmp = show_thread_status_json(ts, rs, opt_lists[i]);
129fb2d4
JA		 1996 json_array_add_value_object(array, tmp);
1997 }
1998 if (output_format & FIO_OUTPUT_NORMAL)
a666cab8 1999 show_thread_status_normal(ts, rs, &output[__FIO_OUTPUT_NORMAL]);
129fb2d4 2000 }
3c39a379 2001 }
ab34ddd1 2002 if (!is_backend && (output_format & FIO_OUTPUT_JSON)) {
cc372b17 2003 /* disk util stats, if any */
a666cab8 2004 show_disk_util(1, root, &output[__FIO_OUTPUT_JSON]);
cc372b17 2005
a666cab8 2006 show_idle_prof_stats(FIO_OUTPUT_JSON, root, &output[__FIO_OUTPUT_JSON]);
f2a2ce0e 2007
a666cab8
JA		 2008 json_print_object(root, &output[__FIO_OUTPUT_JSON]);
2009 log_buf(&output[__FIO_OUTPUT_JSON], "\n");
cc372b17
SL		 2010 json_free_object(root);
2011 }
3c39a379 2012
72c27ff8
JA		 2013 for (i = 0; i < groupid + 1; i++) {
2014 rs = &runstats[i];
3c39a379 2015
72c27ff8 2016 rs->groupid = i;
d09a64a0 2017 if (is_backend)
72c27ff8 2018 fio_server_send_gs(rs);
129fb2d4 2019 else if (output_format & FIO_OUTPUT_NORMAL)
a666cab8 2020 show_group_stats(rs, &output[__FIO_OUTPUT_NORMAL]);
c6ae0a5b 2021 }
eecf272f 2022
72c27ff8
JA		 2023 if (is_backend)
2024 fio_server_send_du();
129fb2d4 2025 else if (output_format & FIO_OUTPUT_NORMAL) {
a666cab8
JA		 2026 show_disk_util(0, NULL, &output[__FIO_OUTPUT_NORMAL]);
2027 show_idle_prof_stats(FIO_OUTPUT_NORMAL, NULL, &output[__FIO_OUTPUT_NORMAL]);
60904003 2028 }
f2a2ce0e 2029
3d57c0e9 2030 for (i = 0; i < FIO_OUTPUT_NR; i++) {
3dc3aa41 2031 struct buf_output *out = &output[i];
8dd0eca3 2032
3dc3aa41 2033 log_info_buf(out->buf, out->buflen);
3dc3aa41 2034 buf_output_free(out);
3d57c0e9 2035 }
2b8c71b0 2036
7ceefc09
FS		 2037 fio_idle_prof_cleanup();
2038
fdd5f15f 2039 log_info_flush();
eecf272f 2040 free(runstats);
756867bd 2041 free(threadstats);
66e19a38 2042 free(opt_lists);
3c39a379
JA		 2043}
2044
5ddc6707 2045void __show_running_run_stats(void)
b852e7cf
JA		 2046{
2047 struct thread_data *td;
2048 unsigned long long *rt;
8b6a404c 2049 struct timespec ts;
b852e7cf
JA		 2050 int i;
2051
971caeb1 2052 fio_sem_down(stat_sem);
90811930 2053
b852e7cf 2054 rt = malloc(thread_number * sizeof(unsigned long long));
8b6a404c 2055 fio_gettime(&ts, NULL);
b852e7cf
JA		 2056
2057 for_each_td(td, i) {
c97f1ad6 2058 td->update_rusage = 1;
6eaf09d6
SL		 2059 td->ts.io_bytes[DDIR_READ] = td->io_bytes[DDIR_READ];
2060 td->ts.io_bytes[DDIR_WRITE] = td->io_bytes[DDIR_WRITE];
2061 td->ts.io_bytes[DDIR_TRIM] = td->io_bytes[DDIR_TRIM];
8b6a404c 2062 td->ts.total_run_time = mtime_since(&td->epoch, &ts);
6c041a88 2063
8b6a404c 2064 rt[i] = mtime_since(&td->start, &ts);
6c041a88 2065 if (td_read(td) && td->ts.io_bytes[DDIR_READ])
2066 td->ts.runtime[DDIR_READ] += rt[i];
2067 if (td_write(td) && td->ts.io_bytes[DDIR_WRITE])
2068 td->ts.runtime[DDIR_WRITE] += rt[i];
2069 if (td_trim(td) && td->ts.io_bytes[DDIR_TRIM])
2070 td->ts.runtime[DDIR_TRIM] += rt[i];
b852e7cf
JA		 2071 }
2072
c97f1ad6 2073 for_each_td(td, i) {
fda2cfac
JA		 2074 if (td->runstate >= TD_EXITED)
2075 continue;
c97f1ad6
JA		 2076 if (td->rusage_sem) {
2077 td->update_rusage = 1;
971caeb1 2078 fio_sem_down(td->rusage_sem);
c97f1ad6
JA		 2079 }
2080 td->update_rusage = 0;
2081 }
2082
cef9175e 2083 __show_run_stats();
b852e7cf
JA		 2084
2085 for_each_td(td, i) {
6c041a88 2086 if (td_read(td) && td->ts.io_bytes[DDIR_READ])
b852e7cf 2087 td->ts.runtime[DDIR_READ] -= rt[i];
6c041a88 2088 if (td_write(td) && td->ts.io_bytes[DDIR_WRITE])
b852e7cf 2089 td->ts.runtime[DDIR_WRITE] -= rt[i];
6c041a88 2090 if (td_trim(td) && td->ts.io_bytes[DDIR_TRIM])
6eaf09d6 2091 td->ts.runtime[DDIR_TRIM] -= rt[i];
b852e7cf
JA		 2092 }
2093
2094 free(rt);
971caeb1 2095 fio_sem_up(stat_sem);
b852e7cf
JA		 2096}
2097
8985b491 2098static bool status_interval_init;
8b6a404c 2099static struct timespec status_time;
8985b491 2100static bool status_file_disabled;
06464907 2101
dac45f23 2102#define FIO_STATUS_FILE "fio-dump-status"
06464907
JA		 2103
2104static int check_status_file(void)
2105{
2106 struct stat sb;
a0bafb7d
BC		 2107 const char *temp_dir;
2108 char fio_status_file_path[PATH_MAX];
06464907 2109
77d99675
JA		 2110 if (status_file_disabled)
2111 return 0;
2112
a0bafb7d 2113 temp_dir = getenv("TMPDIR");
48b16e27 2114 if (temp_dir == NULL) {
a0bafb7d 2115 temp_dir = getenv("TEMP");
48b16e27
JA		 2116 if (temp_dir && strlen(temp_dir) >= PATH_MAX)
2117 temp_dir = NULL;
2118 }
a0bafb7d
BC		 2119 if (temp_dir == NULL)
2120 temp_dir = "/tmp";
2121
2122 snprintf(fio_status_file_path, sizeof(fio_status_file_path), "%s/%s", temp_dir, FIO_STATUS_FILE);
2123
2124 if (stat(fio_status_file_path, &sb))
06464907
JA		 2125 return 0;
2126
77d99675
JA		 2127 if (unlink(fio_status_file_path) < 0) {
2128 log_err("fio: failed to unlink %s: %s\n", fio_status_file_path,
2129 strerror(errno));
2130 log_err("fio: disabling status file updates\n");
8985b491 2131 status_file_disabled = true;
77d99675
JA		 2132 }
2133
06464907
JA		 2134 return 1;
2135}
2136
2137void check_for_running_stats(void)
2138{
2139 if (status_interval) {
2140 if (!status_interval_init) {
2141 fio_gettime(&status_time, NULL);
8985b491 2142 status_interval_init = true;
06464907
JA		 2143 } else if (mtime_since_now(&status_time) >= status_interval) {
2144 show_running_run_stats();
2145 fio_gettime(&status_time, NULL);
2146 return;
2147 }
2148 }
2149 if (check_status_file()) {
2150 show_running_run_stats();
2151 return;
2152 }
2153}
2154
d6bb626e 2155static inline void add_stat_sample(struct io_stat *is, unsigned long long data)
3c39a379 2156{
68704084 2157 double val = data;
6660cc67 2158 double delta;
68704084
JA		 2159
2160 if (data > is->max_val)
2161 is->max_val = data;
2162 if (data < is->min_val)
2163 is->min_val = data;
2164
802ad4a8 2165 delta = val - is->mean.u.f;
ef11d737 2166 if (delta) {
802ad4a8
JA		 2167 is->mean.u.f += delta / (is->samples + 1.0);
2168 is->S.u.f += delta * (val - is->mean.u.f);
ef11d737 2169 }
3c39a379 2170
3c39a379
JA		 2171 is->samples++;
2172}
2173
7e419452
JA		 2174/*
2175 * Return a struct io_logs, which is added to the tail of the log
2176 * list for 'iolog'.
2177 */
2178static struct io_logs *get_new_log(struct io_log *iolog)
2179{
2180 size_t new_size, new_samples;
2181 struct io_logs *cur_log;
2182
2183 /*
2184 * Cap the size at MAX_LOG_ENTRIES, so we don't keep doubling
2185 * forever
2186 */
2187 if (!iolog->cur_log_max)
2188 new_samples = DEF_LOG_ENTRIES;
2189 else {
2190 new_samples = iolog->cur_log_max * 2;
2191 if (new_samples > MAX_LOG_ENTRIES)
2192 new_samples = MAX_LOG_ENTRIES;
2193 }
2194
7e419452 2195 new_size = new_samples * log_entry_sz(iolog);
7e419452 2196
90d2d53f 2197 cur_log = smalloc(sizeof(*cur_log));
7e419452
JA		 2198 if (cur_log) {
2199 INIT_FLIST_HEAD(&cur_log->list);
2200 cur_log->log = malloc(new_size);
2201 if (cur_log->log) {
2202 cur_log->nr_samples = 0;
2203 cur_log->max_samples = new_samples;
2204 flist_add_tail(&cur_log->list, &iolog->io_logs);
2205 iolog->cur_log_max = new_samples;
2206 return cur_log;
2207 }
90d2d53f 2208 sfree(cur_log);
7e419452
JA		 2209 }
2210
2211 return NULL;
2212}
2213
1fed2080
JA		 2214/*
2215 * Add and return a new log chunk, or return current log if big enough
2216 */
2217static struct io_logs *regrow_log(struct io_log *iolog)
7e419452
JA		 2218{
2219 struct io_logs *cur_log;
1fed2080 2220 int i;
7e419452 2221
1fed2080 2222 if (!iolog || iolog->disabled)
2ab71dc4 2223 goto disable;
7e419452 2224
1fed2080 2225 cur_log = iolog_cur_log(iolog);
a9afa45a
JA		 2226 if (!cur_log) {
2227 cur_log = get_new_log(iolog);
2228 if (!cur_log)
2229 return NULL;
2230 }
2231
7e419452
JA		 2232 if (cur_log->nr_samples < cur_log->max_samples)
2233 return cur_log;
2234
2235 /*
2236 * No room for a new sample. If we're compressing on the fly, flush
2237 * out the current chunk
2238 */
2239 if (iolog->log_gz) {
2240 if (iolog_cur_flush(iolog, cur_log)) {
2241 log_err("fio: failed flushing iolog! Will stop logging.\n");
2242 return NULL;
2243 }
2244 }
2245
2246 /*
2247 * Get a new log array, and add to our list
2248 */
2249 cur_log = get_new_log(iolog);
1fed2080
JA		 2250 if (!cur_log) {
2251 log_err("fio: failed extending iolog! Will stop logging.\n");
2252 return NULL;
2253 }
2254
2255 if (!iolog->pending || !iolog->pending->nr_samples)
80a24ba9 2256 return cur_log;
7e419452 2257
1fed2080
JA		 2258 /*
2259 * Flush pending items to new log
2260 */
2261 for (i = 0; i < iolog->pending->nr_samples; i++) {
2262 struct io_sample *src, *dst;
2263
2264 src = get_sample(iolog, iolog->pending, i);
2265 dst = get_sample(iolog, cur_log, i);
2266 memcpy(dst, src, log_entry_sz(iolog));
2267 }
0b2eef49 2268 cur_log->nr_samples = iolog->pending->nr_samples;
1fed2080
JA		 2269
2270 iolog->pending->nr_samples = 0;
2271 return cur_log;
2ab71dc4
JA		 2272disable:
2273 if (iolog)
2274 iolog->disabled = true;
2275 return NULL;
1fed2080
JA		 2276}
2277
2278void regrow_logs(struct thread_data *td)
2279{
2ab71dc4
JA		 2280 regrow_log(td->slat_log);
2281 regrow_log(td->clat_log);
1e613c9c 2282 regrow_log(td->clat_hist_log);
2ab71dc4
JA		 2283 regrow_log(td->lat_log);
2284 regrow_log(td->bw_log);
2285 regrow_log(td->iops_log);
1fed2080
JA		 2286 td->flags &= ~TD_F_REGROW_LOGS;
2287}
2288
2289static struct io_logs *get_cur_log(struct io_log *iolog)
2290{
2291 struct io_logs *cur_log;
2292
2293 cur_log = iolog_cur_log(iolog);
2294 if (!cur_log) {
2295 cur_log = get_new_log(iolog);
2296 if (!cur_log)
2297 return NULL;
2298 }
2299
2300 if (cur_log->nr_samples < cur_log->max_samples)
2301 return cur_log;
2302
2303 /*
1eb467fb
JA		 2304 * Out of space. If we're in IO offload mode, or we're not doing
2305 * per unit logging (hence logging happens outside of the IO thread
2306 * as well), add a new log chunk inline. If we're doing inline
2307 * submissions, flag 'td' as needing a log regrow and we'll take
2308 * care of it on the submission side.
1fed2080 2309 */
ab5643cb 2310 if ((iolog->td && iolog->td->o.io_submit_mode == IO_MODE_OFFLOAD) ||
1eb467fb 2311 !per_unit_log(iolog))
1fed2080
JA		 2312 return regrow_log(iolog);
2313
ab5643cb
IK		 2314 if (iolog->td)
2315 iolog->td->flags |= TD_F_REGROW_LOGS;
2316 if (iolog->pending)
2317 assert(iolog->pending->nr_samples < iolog->pending->max_samples);
1fed2080 2318 return iolog->pending;
7e419452
JA		 2319}
2320
af2fde19 2321static void __add_log_sample(struct io_log *iolog, union io_sample_data data,
5fff9543 2322 enum fio_ddir ddir, unsigned long long bs,
ae588852 2323 unsigned long t, uint64_t offset)
3c39a379 2324{
7e419452 2325 struct io_logs *cur_log;
306ddc97 2326
3c568239
JA		 2327 if (iolog->disabled)
2328 return;
7e419452 2329 if (flist_empty(&iolog->io_logs))
8355119b 2330 iolog->avg_last[ddir] = t;
b8bc8cba 2331
7e419452
JA		 2332 cur_log = get_cur_log(iolog);
2333 if (cur_log) {
2334 struct io_sample *s;
3c39a379 2335
7e419452 2336 s = get_sample(iolog, cur_log, cur_log->nr_samples);
3c39a379 2337
af2fde19 2338 s->data = data;
a9179eeb 2339 s->time = t + (iolog->td ? iolog->td->unix_epoch : 0);
7e419452
JA		 2340 io_sample_set_ddir(iolog, s, ddir);
2341 s->bs = bs;
ae588852 2342
7e419452
JA		 2343 if (iolog->log_offset) {
2344 struct io_sample_offset *so = (void *) s;
ae588852 2345
7e419452
JA		 2346 so->offset = offset;
2347 }
ae588852 2348
7e419452
JA		 2349 cur_log->nr_samples++;
2350 return;
ae588852
JA		 2351 }
2352
7e419452 2353 iolog->disabled = true;
3c39a379
JA		 2354}
2355
7fb28d36
JA		 2356static inline void reset_io_stat(struct io_stat *ios)
2357{
5b8f19b7
JA		 2358 ios->min_val = -1ULL;
2359 ios->max_val = ios->samples = 0;
7fb28d36
JA		 2360 ios->mean.u.f = ios->S.u.f = 0;
2361}
2362
6bb58215
JA		 2363void reset_io_stats(struct thread_data *td)
2364{
2365 struct thread_stat *ts = &td->ts;
2366 int i, j;
2367
2368 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
2369 reset_io_stat(&ts->clat_stat[i]);
2370 reset_io_stat(&ts->slat_stat[i]);
2371 reset_io_stat(&ts->lat_stat[i]);
2372 reset_io_stat(&ts->bw_stat[i]);
2373 reset_io_stat(&ts->iops_stat[i]);
2374
2375 ts->io_bytes[i] = 0;
2376 ts->runtime[i] = 0;
71cb78c1
VF		 2377 ts->total_io_u[i] = 0;
2378 ts->short_io_u[i] = 0;
2379 ts->drop_io_u[i] = 0;
6bb58215 2380
b2b3eefe 2381 for (j = 0; j < FIO_IO_U_PLAT_NR; j++) {
6bb58215 2382 ts->io_u_plat[i][j] = 0;
b2b3eefe
JA		 2383 if (!i)
2384 ts->io_u_sync_plat[j] = 0;
2385 }
6bb58215
JA		 2386 }
2387
7f3ecee2
JA		 2388 ts->total_io_u[DDIR_SYNC] = 0;
2389
6bb58215
JA		 2390 for (i = 0; i < FIO_IO_U_MAP_NR; i++) {
2391 ts->io_u_map[i] = 0;
2392 ts->io_u_submit[i] = 0;
2393 ts->io_u_complete[i] = 0;
71cb78c1
VF		 2394 }
2395
d6bb626e
VF		 2396 for (i = 0; i < FIO_IO_U_LAT_N_NR; i++)
2397 ts->io_u_lat_n[i] = 0;
71cb78c1 2398 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++)
6bb58215 2399 ts->io_u_lat_u[i] = 0;
71cb78c1 2400 for (i = 0; i < FIO_IO_U_LAT_M_NR; i++)
6bb58215 2401 ts->io_u_lat_m[i] = 0;
6bb58215 2402
71cb78c1
VF		 2403 ts->total_submit = 0;
2404 ts->total_complete = 0;
fd5d733f 2405 ts->nr_zone_resets = 0;
96563db9 2406 ts->cachehit = ts->cachemiss = 0;
6bb58215
JA		 2407}
2408
d96d3bb3 2409static void __add_stat_to_log(struct io_log *iolog, enum fio_ddir ddir,
e6989e10 2410 unsigned long elapsed, bool log_max)
99007068
PO		 2411{
2412 /*
2413 * Note an entry in the log. Use the mean from the logged samples,
2414 * making sure to properly round up. Only write a log entry if we
2415 * had actual samples done.
2416 */
d96d3bb3 2417 if (iolog->avg_window[ddir].samples) {
af2fde19 2418 union io_sample_data data;
99007068 2419
e6989e10 2420 if (log_max)
af2fde19 2421 data.val = iolog->avg_window[ddir].max_val;
e6989e10 2422 else
af2fde19 2423 data.val = iolog->avg_window[ddir].mean.u.f + 0.50;
e6989e10 2424
af2fde19 2425 __add_log_sample(iolog, data, ddir, 0, elapsed, 0);
99007068 2426 }
99007068 2427
d96d3bb3
JA		 2428 reset_io_stat(&iolog->avg_window[ddir]);
2429}
99007068 2430
e6989e10
JA		 2431static void _add_stat_to_log(struct io_log *iolog, unsigned long elapsed,
2432 bool log_max)
d96d3bb3
JA		 2433{
2434 int ddir;
99007068 2435
d96d3bb3 2436 for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++)
e6989e10 2437 __add_stat_to_log(iolog, ddir, elapsed, log_max);
99007068
PO		 2438}
2439
674456bf
JF		 2440static unsigned long add_log_sample(struct thread_data *td,
2441 struct io_log *iolog,
2442 union io_sample_data data,
5fff9543 2443 enum fio_ddir ddir, unsigned long long bs,
674456bf 2444 uint64_t offset)
bb3884d8 2445{
7fb28d36 2446 unsigned long elapsed, this_window;
b8bc8cba 2447
ff58fced 2448 if (!ddir_rw(ddir))
d454a205 2449 return 0;
ff58fced 2450
b8bc8cba
JA		 2451 elapsed = mtime_since_now(&td->epoch);
2452
2453 /*
2454 * If no time averaging, just add the log sample.
2455 */
2456 if (!iolog->avg_msec) {
af2fde19 2457 __add_log_sample(iolog, data, ddir, bs, elapsed, offset);
d454a205 2458 return 0;
b8bc8cba
JA		 2459 }
2460
2461 /*
2462 * Add the sample. If the time period has passed, then
2463 * add that entry to the log and clear.
2464 */
af2fde19 2465 add_stat_sample(&iolog->avg_window[ddir], data.val);
b8bc8cba 2466
7fb28d36
JA		 2467 /*
2468 * If period hasn't passed, adding the above sample is all we
2469 * need to do.
2470 */
8355119b
SW		 2471 this_window = elapsed - iolog->avg_last[ddir];
2472 if (elapsed < iolog->avg_last[ddir])
2473 return iolog->avg_last[ddir] - elapsed;
f5a568cf 2474 else if (this_window < iolog->avg_msec) {
674456bf 2475 unsigned long diff = iolog->avg_msec - this_window;
d454a205 2476
b392f36d 2477 if (inline_log(iolog) || diff > LOG_MSEC_SLACK)
d454a205
JA		 2478 return diff;
2479 }
b8bc8cba 2480
8355119b 2481 __add_stat_to_log(iolog, ddir, elapsed, td->o.log_max != 0);
b8bc8cba 2482
8355119b 2483 iolog->avg_last[ddir] = elapsed - (this_window - iolog->avg_msec);
d454a205 2484 return iolog->avg_msec;
99007068 2485}
6eaf09d6 2486
a47591e4 2487void finalize_logs(struct thread_data *td, bool unit_logs)
99007068
PO		 2488{
2489 unsigned long elapsed;
6eaf09d6 2490
99007068 2491 elapsed = mtime_since_now(&td->epoch);
b8bc8cba 2492
a47591e4 2493 if (td->clat_log && unit_logs)
e6989e10 2494 _add_stat_to_log(td->clat_log, elapsed, td->o.log_max != 0);
a47591e4 2495 if (td->slat_log && unit_logs)
e6989e10 2496 _add_stat_to_log(td->slat_log, elapsed, td->o.log_max != 0);
a47591e4 2497 if (td->lat_log && unit_logs)
e6989e10 2498 _add_stat_to_log(td->lat_log, elapsed, td->o.log_max != 0);
a47591e4 2499 if (td->bw_log && (unit_logs == per_unit_log(td->bw_log)))
e6989e10 2500 _add_stat_to_log(td->bw_log, elapsed, td->o.log_max != 0);
a47591e4 2501 if (td->iops_log && (unit_logs == per_unit_log(td->iops_log)))
e6989e10 2502 _add_stat_to_log(td->iops_log, elapsed, td->o.log_max != 0);
bb3884d8
JA		 2503}
2504
5fff9543 2505void add_agg_sample(union io_sample_data data, enum fio_ddir ddir, unsigned long long bs)
bb3884d8 2506{
ff58fced 2507 struct io_log *iolog;
bb3884d8 2508
ff58fced
JA		 2509 if (!ddir_rw(ddir))
2510 return;
2511
2512 iolog = agg_io_log[ddir];
af2fde19 2513 __add_log_sample(iolog, data, ddir, bs, mtime_since_genesis(), 0);
bb3884d8
JA		 2514}
2515
b2b3eefe
JA		 2516void add_sync_clat_sample(struct thread_stat *ts, unsigned long long nsec)
2517{
2518 unsigned int idx = plat_val_to_idx(nsec);
2519 assert(idx < FIO_IO_U_PLAT_NR);
2520
2521 ts->io_u_sync_plat[idx]++;
2522 add_stat_sample(&ts->sync_stat, nsec);
2523}
2524
83349190 2525static void add_clat_percentile_sample(struct thread_stat *ts,
d6bb626e 2526 unsigned long long nsec, enum fio_ddir ddir)
83349190 2527{
d6bb626e 2528 unsigned int idx = plat_val_to_idx(nsec);
83349190
YH		 2529 assert(idx < FIO_IO_U_PLAT_NR);
2530
2531 ts->io_u_plat[ddir][idx]++;
2532}
2533
1e97cce9 2534void add_clat_sample(struct thread_data *td, enum fio_ddir ddir,
5fff9543
JF		 2535 unsigned long long nsec, unsigned long long bs,
2536 uint64_t offset)
3c39a379 2537{
26b3a188 2538 const bool needs_lock = td_async_processing(td);
1e613c9c 2539 unsigned long elapsed, this_window;
756867bd 2540 struct thread_stat *ts = &td->ts;
1e613c9c 2541 struct io_log *iolog = td->clat_hist_log;
079ad09b 2542
26b3a188
JA		 2543 if (needs_lock)
2544 __td_io_u_lock(td);
75dc383e 2545
d6bb626e 2546 add_stat_sample(&ts->clat_stat[ddir], nsec);
3c39a379 2547
7b9f733a 2548 if (td->clat_log)
d6bb626e 2549 add_log_sample(td, td->clat_log, sample_val(nsec), ddir, bs,
af2fde19 2550 offset);
83349190
YH		 2551
2552 if (ts->clat_percentiles)
d6bb626e 2553 add_clat_percentile_sample(ts, nsec, ddir);
75dc383e 2554
1e613c9c 2555 if (iolog && iolog->hist_msec) {
93168285
JA		 2556 struct io_hist *hw = &iolog->hist_window[ddir];
2557
2558 hw->samples++;
1e613c9c 2559 elapsed = mtime_since_now(&td->epoch);
93168285 2560 if (!hw->hist_last)
1e613c9c
KC		 2561 hw->hist_last = elapsed;
2562 this_window = elapsed - hw->hist_last;
2563
2564 if (this_window >= iolog->hist_msec) {
6cc0e5aa 2565 uint64_t *io_u_plat;
65a4d15c 2566 struct io_u_plat_entry *dst;
93168285 2567
1e613c9c 2568 /*
93168285
JA		 2569 * Make a byte-for-byte copy of the latency histogram
2570 * stored in td->ts.io_u_plat[ddir], recording it in a
2571 * log sample. Note that the matching call to free() is
2572 * located in iolog.c after printing this sample to the
2573 * log file.
1e613c9c 2574 */
6cc0e5aa 2575 io_u_plat = (uint64_t *) td->ts.io_u_plat[ddir];
65a4d15c
KC		 2576 dst = malloc(sizeof(struct io_u_plat_entry));
2577 memcpy(&(dst->io_u_plat), io_u_plat,
93168285 2578 FIO_IO_U_PLAT_NR * sizeof(unsigned int));
d730bc58 2579 flist_add(&dst->list, &hw->list);
af2fde19 2580 __add_log_sample(iolog, sample_plat(dst), ddir, bs,
93168285 2581 elapsed, offset);
1e613c9c
KC		 2582
2583 /*
93168285
JA		 2584 * Update the last time we recorded as being now, minus
2585 * any drift in time we encountered before actually
2586 * making the record.
1e613c9c
KC		 2587 */
2588 hw->hist_last = elapsed - (this_window - iolog->hist_msec);
2589 hw->samples = 0;
2590 }
2591 }
2592
26b3a188
JA		 2593 if (needs_lock)
2594 __td_io_u_unlock(td);
3c39a379
JA		 2595}
2596
1e97cce9 2597void add_slat_sample(struct thread_data *td, enum fio_ddir ddir,
5fff9543 2598 unsigned long usec, unsigned long long bs, uint64_t offset)
3c39a379 2599{
26b3a188 2600 const bool needs_lock = td_async_processing(td);
756867bd 2601 struct thread_stat *ts = &td->ts;
079ad09b 2602
ff58fced
JA		 2603 if (!ddir_rw(ddir))
2604 return;
2605
26b3a188
JA		 2606 if (needs_lock)
2607 __td_io_u_lock(td);
75dc383e 2608
d85f5118 2609 add_stat_sample(&ts->slat_stat[ddir], usec);
3c39a379 2610
7b9f733a 2611 if (td->slat_log)
af2fde19 2612 add_log_sample(td, td->slat_log, sample_val(usec), ddir, bs, offset);
75dc383e 2613
26b3a188
JA		 2614 if (needs_lock)
2615 __td_io_u_unlock(td);
3c39a379
JA		 2616}
2617
02af0988 2618void add_lat_sample(struct thread_data *td, enum fio_ddir ddir,
5fff9543
JF		 2619 unsigned long long nsec, unsigned long long bs,
2620 uint64_t offset)
02af0988 2621{
26b3a188 2622 const bool needs_lock = td_async_processing(td);
02af0988
JA		 2623 struct thread_stat *ts = &td->ts;
2624
ff58fced
JA		 2625 if (!ddir_rw(ddir))
2626 return;
2627
26b3a188
JA		 2628 if (needs_lock)
2629 __td_io_u_lock(td);
75dc383e 2630
d6bb626e 2631 add_stat_sample(&ts->lat_stat[ddir], nsec);
02af0988 2632
7b9f733a 2633 if (td->lat_log)
d6bb626e 2634 add_log_sample(td, td->lat_log, sample_val(nsec), ddir, bs,
af2fde19 2635 offset);
75dc383e 2636
b599759b
JA		 2637 if (ts->lat_percentiles)
2638 add_clat_percentile_sample(ts, nsec, ddir);
2639
26b3a188
JA		 2640 if (needs_lock)
2641 __td_io_u_unlock(td);
02af0988
JA		 2642}
2643
a47591e4 2644void add_bw_sample(struct thread_data *td, struct io_u *io_u,
d6bb626e 2645 unsigned int bytes, unsigned long long spent)
a47591e4 2646{
26b3a188 2647 const bool needs_lock = td_async_processing(td);
a47591e4
JA		 2648 struct thread_stat *ts = &td->ts;
2649 unsigned long rate;
2650
2651 if (spent)
d6bb626e 2652 rate = (unsigned long) (bytes * 1000000ULL / spent);
a47591e4
JA		 2653 else
2654 rate = 0;
2655
26b3a188
JA		 2656 if (needs_lock)
2657 __td_io_u_lock(td);
a47591e4
JA		 2658
2659 add_stat_sample(&ts->bw_stat[io_u->ddir], rate);
2660
2661 if (td->bw_log)
af2fde19
SW		 2662 add_log_sample(td, td->bw_log, sample_val(rate), io_u->ddir,
2663 bytes, io_u->offset);
a47591e4
JA		 2664
2665 td->stat_io_bytes[io_u->ddir] = td->this_io_bytes[io_u->ddir];
26b3a188
JA		 2666
2667 if (needs_lock)
2668 __td_io_u_unlock(td);
a47591e4
JA		 2669}
2670
8b6a404c
VF		 2671static int __add_samples(struct thread_data *td, struct timespec *parent_tv,
2672 struct timespec *t, unsigned int avg_time,
4843277a
JA		 2673 uint64_t *this_io_bytes, uint64_t *stat_io_bytes,
2674 struct io_stat *stat, struct io_log *log,
2675 bool is_kb)
3c39a379 2676{
26b3a188 2677 const bool needs_lock = td_async_processing(td);
ff58fced 2678 unsigned long spent, rate;
a47591e4 2679 enum fio_ddir ddir;
674456bf 2680 unsigned long next, next_log;
d454a205 2681
4843277a 2682 next_log = avg_time;
ff58fced 2683
4843277a
JA		 2684 spent = mtime_since(parent_tv, t);
2685 if (spent < avg_time && avg_time - spent >= LOG_MSEC_SLACK)
2686 return avg_time - spent;
9602d8df 2687
26b3a188
JA		 2688 if (needs_lock)
2689 __td_io_u_lock(td);
a9da8ab2 2690
9602d8df 2691 /*
5daa4ebe
JC		 2692 * Compute both read and write rates for the interval.
2693 */
c1f50f76 2694 for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++) {
5daa4ebe
JC		 2695 uint64_t delta;
2696
4843277a 2697 delta = this_io_bytes[ddir] - stat_io_bytes[ddir];
5daa4ebe
JC		 2698 if (!delta)
2699 continue; /* No entries for interval */
3c39a379 2700
4843277a
JA		 2701 if (spent) {
2702 if (is_kb)
2703 rate = delta * 1000 / spent / 1024; /* KiB/s */
2704 else
2705 rate = (delta * 1000) / spent;
2706 } else
0956264f
JA		 2707 rate = 0;
2708
4843277a 2709 add_stat_sample(&stat[ddir], rate);
3c39a379 2710
37181709 2711 if (log) {
5fff9543 2712 unsigned long long bs = 0;
66b98c9f
JA		 2713
2714 if (td->o.min_bs[ddir] == td->o.max_bs[ddir])
2715 bs = td->o.min_bs[ddir];
2716
4843277a 2717 next = add_log_sample(td, log, sample_val(rate), ddir, bs, 0);
d454a205 2718 next_log = min(next_log, next);
66b98c9f 2719 }
5daa4ebe 2720
4843277a 2721 stat_io_bytes[ddir] = this_io_bytes[ddir];
5daa4ebe 2722 }
3c39a379 2723
8b6a404c 2724 timespec_add_msec(parent_tv, avg_time);
a47591e4 2725
26b3a188
JA		 2726 if (needs_lock)
2727 __td_io_u_unlock(td);
a47591e4 2728
4843277a
JA		 2729 if (spent <= avg_time)
2730 next = avg_time;
306fea38 2731 else
4843277a 2732 next = avg_time - (1 + spent - avg_time);
a47591e4 2733
d454a205 2734 return min(next, next_log);
a47591e4
JA		 2735}
2736
8b6a404c 2737static int add_bw_samples(struct thread_data *td, struct timespec *t)
4843277a
JA		 2738{
2739 return __add_samples(td, &td->bw_sample_time, t, td->o.bw_avg_time,
2740 td->this_io_bytes, td->stat_io_bytes,
2741 td->ts.bw_stat, td->bw_log, true);
2742}
2743
a47591e4
JA		 2744void add_iops_sample(struct thread_data *td, struct io_u *io_u,
2745 unsigned int bytes)
2746{
26b3a188 2747 const bool needs_lock = td_async_processing(td);
a47591e4
JA		 2748 struct thread_stat *ts = &td->ts;
2749
26b3a188
JA		 2750 if (needs_lock)
2751 __td_io_u_lock(td);
a47591e4
JA		 2752
2753 add_stat_sample(&ts->iops_stat[io_u->ddir], 1);
2754
2755 if (td->iops_log)
af2fde19
SW		 2756 add_log_sample(td, td->iops_log, sample_val(1), io_u->ddir,
2757 bytes, io_u->offset);
a47591e4
JA		 2758
2759 td->stat_io_blocks[io_u->ddir] = td->this_io_blocks[io_u->ddir];
26b3a188
JA		 2760
2761 if (needs_lock)
2762 __td_io_u_unlock(td);
3c39a379 2763}
c8eeb9df 2764
8b6a404c 2765static int add_iops_samples(struct thread_data *td, struct timespec *t)
c8eeb9df 2766{
4843277a
JA		 2767 return __add_samples(td, &td->iops_sample_time, t, td->o.iops_avg_time,
2768 td->this_io_blocks, td->stat_io_blocks,
2769 td->ts.iops_stat, td->iops_log, false);
a47591e4
JA		 2770}
2771
2772/*
2773 * Returns msecs to next event
2774 */
2775int calc_log_samples(void)
2776{
2777 struct thread_data *td;
2778 unsigned int next = ~0U, tmp;
8b6a404c 2779 struct timespec now;
a47591e4
JA		 2780 int i;
2781
2782 fio_gettime(&now, NULL);
2783
2784 for_each_td(td, i) {
8243be59
JA		 2785 if (!td->o.stats)
2786 continue;
6a89b401 2787 if (in_ramp_time(td) ||
a47591e4
JA		 2788 !(td->runstate == TD_RUNNING || td->runstate == TD_VERIFYING)) {
2789 next = min(td->o.iops_avg_time, td->o.bw_avg_time);
2790 continue;
2791 }
37181709
AH		 2792 if (!td->bw_log ||
2793 (td->bw_log && !per_unit_log(td->bw_log))) {
a47591e4
JA		 2794 tmp = add_bw_samples(td, &now);
2795 if (tmp < next)
2796 next = tmp;
2797 }
37181709
AH		 2798 if (!td->iops_log ||
2799 (td->iops_log && !per_unit_log(td->iops_log))) {
a47591e4
JA		 2800 tmp = add_iops_samples(td, &now);
2801 if (tmp < next)
2802 next = tmp;
2803 }
2804 }
2805
2806 return next == ~0U ? 0 : next;
c8eeb9df 2807}
cef9175e
JA		 2808
2809void stat_init(void)
2810{
971caeb1 2811 stat_sem = fio_sem_init(FIO_SEM_UNLOCKED);
cef9175e
JA		 2812}
2813
2814void stat_exit(void)
2815{
2816 /*
2817 * When we have the mutex, we know out-of-band access to it
2818 * have ended.
2819 */
971caeb1
BVA		 2820 fio_sem_down(stat_sem);
2821 fio_sem_remove(stat_sem);
cef9175e 2822}
b2ee7647 2823
b2ee7647
JA		 2824/*
2825 * Called from signal handler. Wake up status thread.
2826 */
2827void show_running_run_stats(void)
2828{
a47591e4 2829 helper_do_stat();
b2ee7647 2830}
66347cfa
DE		 2831
2832uint32_t *io_u_block_info(struct thread_data *td, struct io_u *io_u)
2833{
2834 /* Ignore io_u's which span multiple blocks--they will just get
2835 * inaccurate counts. */
2836 int idx = (io_u->offset - io_u->file->file_offset)
2837 / td->o.bs[DDIR_TRIM];
2838 uint32_t *info = &td->ts.block_infos[idx];
2839 assert(idx < td->ts.nr_block_infos);
2840 return info;
2841}
fio - Flexible IO Tester