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Refine packed annotations in stat.h
[fio.git] / stat.c
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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);
2270890c 1247
562c2d2f 1248 /* Additional output if description is set */
d5495f0b
VF		 1249 if (strlen(ts->description)) {
1250 if (ver == 2)
1251 log_buf(out, "\n");
a666cab8 1252 log_buf(out, ";%s", ts->description);
d5495f0b 1253 }
946e4276 1254
a666cab8 1255 log_buf(out, "\n");
756867bd
JA		 1256}
1257
a89ba4b1 1258static void json_add_job_opts(struct json_object *root, const char *name,
0cf542af 1259 struct flist_head *opt_list)
66e19a38
JA		 1260{
1261 struct json_object *dir_object;
1262 struct flist_head *entry;
1263 struct print_option *p;
1264
1265 if (flist_empty(opt_list))
1266 return;
1267
1268 dir_object = json_create_object();
1269 json_object_add_value_object(root, name, dir_object);
1270
1271 flist_for_each(entry, opt_list) {
1272 const char *pos = "";
1273
1274 p = flist_entry(entry, struct print_option, list);
1275 if (p->value)
1276 pos = p->value;
1277 json_object_add_value_string(dir_object, p->name, pos);
1278 }
1279}
1280
cc372b17 1281static struct json_object *show_thread_status_json(struct thread_stat *ts,
66e19a38
JA		 1282 struct group_run_stats *rs,
1283 struct flist_head *opt_list)
cc372b17
SL		 1284{
1285 struct json_object *root, *tmp;
b01af66b 1286 struct jobs_eta *je;
cc372b17 1287 double io_u_dist[FIO_IO_U_MAP_NR];
d6bb626e 1288 double io_u_lat_n[FIO_IO_U_LAT_N_NR];
cc372b17
SL		 1289 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
1290 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
1291 double usr_cpu, sys_cpu;
1292 int i;
b01af66b
CJ		 1293 size_t size;
1294
cc372b17
SL		 1295 root = json_create_object();
1296 json_object_add_value_string(root, "jobname", ts->name);
1297 json_object_add_value_int(root, "groupid", ts->groupid);
1298 json_object_add_value_int(root, "error", ts->error);
1299
b01af66b 1300 /* ETA Info */
c5103619 1301 je = get_jobs_eta(true, &size);
2de615ad
JA		 1302 if (je) {
1303 json_object_add_value_int(root, "eta", je->eta_sec);
1304 json_object_add_value_int(root, "elapsed", je->elapsed_sec);
1305 }
b01af66b 1306
66e19a38 1307 if (opt_list)
0cf542af 1308 json_add_job_opts(root, "job options", opt_list);
66e19a38 1309
cc372b17
SL		 1310 add_ddir_status_json(ts, rs, DDIR_READ, root);
1311 add_ddir_status_json(ts, rs, DDIR_WRITE, root);
f3afa57e 1312 add_ddir_status_json(ts, rs, DDIR_TRIM, root);
b2b3eefe 1313 add_ddir_status_json(ts, rs, DDIR_SYNC, root);
cc372b17
SL		 1314
1315 /* CPU Usage */
1316 if (ts->total_run_time) {
1317 double runt = (double) ts->total_run_time;
1318
1319 usr_cpu = (double) ts->usr_time * 100 / runt;
1320 sys_cpu = (double) ts->sys_time * 100 / runt;
1321 } else {
1322 usr_cpu = 0;
1323 sys_cpu = 0;
1324 }
bcbb4c6c 1325 json_object_add_value_int(root, "job_runtime", ts->total_run_time);
cc372b17
SL		 1326 json_object_add_value_float(root, "usr_cpu", usr_cpu);
1327 json_object_add_value_float(root, "sys_cpu", sys_cpu);
1328 json_object_add_value_int(root, "ctx", ts->ctx);
1329 json_object_add_value_int(root, "majf", ts->majf);
1330 json_object_add_value_int(root, "minf", ts->minf);
1331
ec3e3648 1332 /* Calc % distribution of IO depths */
d79db122 1333 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
cc372b17
SL		 1334 tmp = json_create_object();
1335 json_object_add_value_object(root, "iodepth_level", tmp);
1336 /* Only show fixed 7 I/O depth levels*/
1337 for (i = 0; i < 7; i++) {
1338 char name[20];
1339 if (i < 6)
98ffb8f3 1340 snprintf(name, 20, "%d", 1 << i);
cc372b17 1341 else
98ffb8f3 1342 snprintf(name, 20, ">=%d", 1 << i);
cc372b17
SL		 1343 json_object_add_value_float(tmp, (const char *)name, io_u_dist[i]);
1344 }
1345
ec3e3648
VF		 1346 /* Calc % distribution of submit IO depths */
1347 stat_calc_dist(ts->io_u_submit, ts->total_submit, io_u_dist);
1348 tmp = json_create_object();
1349 json_object_add_value_object(root, "iodepth_submit", tmp);
1350 /* Only show fixed 7 I/O depth levels*/
1351 for (i = 0; i < 7; i++) {
1352 char name[20];
1353 if (i == 0)
1354 snprintf(name, 20, "0");
1355 else if (i < 6)
1356 snprintf(name, 20, "%d", 1 << (i+1));
1357 else
1358 snprintf(name, 20, ">=%d", 1 << i);
1359 json_object_add_value_float(tmp, (const char *)name, io_u_dist[i]);
1360 }
1361
1362 /* Calc % distribution of completion IO depths */
1363 stat_calc_dist(ts->io_u_complete, ts->total_complete, io_u_dist);
1364 tmp = json_create_object();
1365 json_object_add_value_object(root, "iodepth_complete", tmp);
1366 /* Only show fixed 7 I/O depth levels*/
1367 for (i = 0; i < 7; i++) {
1368 char name[20];
1369 if (i == 0)
1370 snprintf(name, 20, "0");
1371 else if (i < 6)
1372 snprintf(name, 20, "%d", 1 << (i+1));
1373 else
1374 snprintf(name, 20, ">=%d", 1 << i);
1375 json_object_add_value_float(tmp, (const char *)name, io_u_dist[i]);
1376 }
1377
1378 /* Calc % distribution of nsecond, usecond, msecond latency */
1379 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
1380 stat_calc_lat_n(ts, io_u_lat_n);
1381 stat_calc_lat_u(ts, io_u_lat_u);
1382 stat_calc_lat_m(ts, io_u_lat_m);
1383
d6bb626e 1384 /* Nanosecond latency */
cc372b17 1385 tmp = json_create_object();
d6bb626e
VF		 1386 json_object_add_value_object(root, "latency_ns", tmp);
1387 for (i = 0; i < FIO_IO_U_LAT_N_NR; i++) {
1388 const char *ranges[] = { "2", "4", "10", "20", "50", "100",
1389 "250", "500", "750", "1000", };
1390 json_object_add_value_float(tmp, ranges[i], io_u_lat_n[i]);
1391 }
cc372b17 1392 /* Microsecond latency */
d6bb626e
VF		 1393 tmp = json_create_object();
1394 json_object_add_value_object(root, "latency_us", tmp);
cc372b17
SL		 1395 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) {
1396 const char *ranges[] = { "2", "4", "10", "20", "50", "100",
1397 "250", "500", "750", "1000", };
1398 json_object_add_value_float(tmp, ranges[i], io_u_lat_u[i]);
1399 }
1400 /* Millisecond latency */
1401 tmp = json_create_object();
1402 json_object_add_value_object(root, "latency_ms", tmp);
1403 for (i = 0; i < FIO_IO_U_LAT_M_NR; i++) {
1404 const char *ranges[] = { "2", "4", "10", "20", "50", "100",
1405 "250", "500", "750", "1000", "2000",
1406 ">=2000", };
1407 json_object_add_value_float(tmp, ranges[i], io_u_lat_m[i]);
1408 }
1409
1410 /* Additional output if continue_on_error set - default off*/
1411 if (ts->continue_on_error) {
1412 json_object_add_value_int(root, "total_err", ts->total_err_count);
952b05e0 1413 json_object_add_value_int(root, "first_error", ts->first_error);
cc372b17
SL		 1414 }
1415
3e260a46
JA		 1416 if (ts->latency_depth) {
1417 json_object_add_value_int(root, "latency_depth", ts->latency_depth);
1418 json_object_add_value_int(root, "latency_target", ts->latency_target);
1419 json_object_add_value_float(root, "latency_percentile", ts->latency_percentile.u.f);
1420 json_object_add_value_int(root, "latency_window", ts->latency_window);
1421 }
1422
cc372b17
SL		 1423 /* Additional output if description is set */
1424 if (strlen(ts->description))
1425 json_object_add_value_string(root, "desc", ts->description);
1426
66347cfa
DE		 1427 if (ts->nr_block_infos) {
1428 /* Block error histogram and types */
1429 int len;
1430 unsigned int *percentiles = NULL;
1431 unsigned int block_state_counts[BLOCK_STATE_COUNT];
1432
1433 len = calc_block_percentiles(ts->nr_block_infos, ts->block_infos,
1434 ts->percentile_list,
1435 &percentiles, block_state_counts);
1436
1437 if (len) {
1438 struct json_object *block, *percentile_object, *states;
8a68c41c 1439 int state;
66347cfa
DE		 1440 block = json_create_object();
1441 json_object_add_value_object(root, "block", block);
1442
1443 percentile_object = json_create_object();
1444 json_object_add_value_object(block, "percentiles",
1445 percentile_object);
1446 for (i = 0; i < len; i++) {
1447 char buf[20];
1448 snprintf(buf, sizeof(buf), "%f",
1449 ts->percentile_list[i].u.f);
1450 json_object_add_value_int(percentile_object,
1451 (const char *)buf,
1452 percentiles[i]);
1453 }
1454
1455 states = json_create_object();
1456 json_object_add_value_object(block, "states", states);
1457 for (state = 0; state < BLOCK_STATE_COUNT; state++) {
1458 json_object_add_value_int(states,
1459 block_state_names[state],
1460 block_state_counts[state]);
1461 }
1462 free(percentiles);
1463 }
1464 }
1465
bb49c8bd 1466 if (ts->ss_dur) {
ba8fb6f6
VF		 1467 struct json_object *data;
1468 struct json_array *iops, *bw;
a43f4461 1469 int j, k, l;
6da94b07 1470 char ss_buf[64];
16e56d25 1471
6da94b07 1472 snprintf(ss_buf, sizeof(ss_buf), "%s%s:%f%s",
c8caba48
JA		 1473 ts->ss_state & FIO_SS_IOPS ? "iops" : "bw",
1474 ts->ss_state & FIO_SS_SLOPE ? "_slope" : "",
bb49c8bd 1475 (float) ts->ss_limit.u.f,
c8caba48 1476 ts->ss_state & FIO_SS_PCT ? "%" : "");
16e56d25
VF		 1477
1478 tmp = json_create_object();
1479 json_object_add_value_object(root, "steadystate", tmp);
6da94b07 1480 json_object_add_value_string(tmp, "ss", ss_buf);
bb49c8bd 1481 json_object_add_value_int(tmp, "duration", (int)ts->ss_dur);
c8caba48 1482 json_object_add_value_int(tmp, "attained", (ts->ss_state & FIO_SS_ATTAINED) > 0);
6da94b07 1483
bb49c8bd 1484 snprintf(ss_buf, sizeof(ss_buf), "%f%s", (float) ts->ss_criterion.u.f,
c8caba48 1485 ts->ss_state & FIO_SS_PCT ? "%" : "");
6da94b07 1486 json_object_add_value_string(tmp, "criterion", ss_buf);
bb49c8bd
VF		 1487 json_object_add_value_float(tmp, "max_deviation", ts->ss_deviation.u.f);
1488 json_object_add_value_float(tmp, "slope", ts->ss_slope.u.f);
ba8fb6f6
VF		 1489
1490 data = json_create_object();
1491 json_object_add_value_object(tmp, "data", data);
1492 bw = json_create_array();
1493 iops = json_create_array();
412c7d91
VF		 1494
1495 /*
1496 ** if ss was attained or the buffer is not full,
1497 ** ss->head points to the first element in the list.
1498 ** otherwise it actually points to the second element
1499 ** in the list
1500 */
c8caba48 1501 if ((ts->ss_state & FIO_SS_ATTAINED) || !(ts->ss_state & FIO_SS_BUFFER_FULL))
bb49c8bd 1502 j = ts->ss_head;
412c7d91 1503 else
bb49c8bd 1504 j = ts->ss_head == 0 ? ts->ss_dur - 1 : ts->ss_head - 1;
a43f4461
JA		 1505 for (l = 0; l < ts->ss_dur; l++) {
1506 k = (j + l) % ts->ss_dur;
bb49c8bd
VF		 1507 json_array_add_value_int(bw, ts->ss_bw_data[k]);
1508 json_array_add_value_int(iops, ts->ss_iops_data[k]);
16e56d25 1509 }
bb49c8bd
VF		 1510 json_object_add_value_int(data, "bw_mean", steadystate_bw_mean(ts));
1511 json_object_add_value_int(data, "iops_mean", steadystate_iops_mean(ts));
6da94b07
VF		 1512 json_object_add_value_array(data, "iops", iops);
1513 json_object_add_value_array(data, "bw", bw);
16e56d25
VF		 1514 }
1515
cc372b17
SL		 1516 return root;
1517}
1518
4d658652 1519static void show_thread_status_terse(struct thread_stat *ts,
a666cab8
JA		 1520 struct group_run_stats *rs,
1521 struct buf_output *out)
4d658652 1522{
a2c95580 1523 if (terse_version >= 2 && terse_version <= 5)
bef2112b 1524 show_thread_status_terse_all(ts, rs, terse_version, out);
4d658652
JA		 1525 else
1526 log_err("fio: bad terse version!? %d\n", terse_version);
1527}
1528
952b05e0 1529struct json_object *show_thread_status(struct thread_stat *ts,
a666cab8 1530 struct group_run_stats *rs,
0279b880 1531 struct flist_head *opt_list,
a666cab8 1532 struct buf_output *out)
952b05e0 1533{
129fb2d4
JA		 1534 struct json_object *ret = NULL;
1535
1536 if (output_format & FIO_OUTPUT_TERSE)
a666cab8 1537 show_thread_status_terse(ts, rs, out);
129fb2d4 1538 if (output_format & FIO_OUTPUT_JSON)
0279b880 1539 ret = show_thread_status_json(ts, rs, opt_list);
129fb2d4 1540 if (output_format & FIO_OUTPUT_NORMAL)
a666cab8 1541 show_thread_status_normal(ts, rs, out);
129fb2d4
JA		 1542
1543 return ret;
952b05e0
CF		 1544}
1545
70750d6a 1546static void __sum_stat(struct io_stat *dst, struct io_stat *src, bool first)
756867bd
JA		 1547{
1548 double mean, S;
1549
1550 dst->min_val = min(dst->min_val, src->min_val);
1551 dst->max_val = max(dst->max_val, src->max_val);
756867bd
JA		 1552
1553 /*
cdcac5cf
YH		 1554 * Compute new mean and S after the merge
1555 * <http://en.wikipedia.org/wiki/Algorithms_for_calculating_variance
1556 * #Parallel_algorithm>
756867bd 1557 */
fd595830 1558 if (first) {
802ad4a8
JA		 1559 mean = src->mean.u.f;
1560 S = src->S.u.f;
756867bd 1561 } else {
802ad4a8 1562 double delta = src->mean.u.f - dst->mean.u.f;
cdcac5cf 1563
802ad4a8
JA		 1564 mean = ((src->mean.u.f * src->samples) +
1565 (dst->mean.u.f * dst->samples)) /
cdcac5cf
YH		 1566 (dst->samples + src->samples);
1567
802ad4a8 1568 S = src->S.u.f + dst->S.u.f + pow(delta, 2.0) *
cdcac5cf
YH		 1569 (dst->samples * src->samples) /
1570 (dst->samples + src->samples);
756867bd
JA		 1571 }
1572
cdcac5cf 1573 dst->samples += src->samples;
802ad4a8
JA		 1574 dst->mean.u.f = mean;
1575 dst->S.u.f = S;
70750d6a
JA		 1576
1577}
1578
1579/*
1580 * We sum two kinds of stats - one that is time based, in which case we
1581 * apply the proper summing technique, and then one that is iops/bw
1582 * numbers. For group_reporting, we should just add those up, not make
1583 * them the mean of everything.
1584 */
1585static void sum_stat(struct io_stat *dst, struct io_stat *src, bool first,
1586 bool pure_sum)
1587{
1588 if (src->samples == 0)
1589 return;
1590
1591 if (!pure_sum) {
1592 __sum_stat(dst, src, first);
1593 return;
1594 }
1595
68afa5b5
JA		 1596 if (first) {
1597 dst->min_val = src->min_val;
1598 dst->max_val = src->max_val;
1599 dst->samples = src->samples;
1600 dst->mean.u.f = src->mean.u.f;
1601 dst->S.u.f = src->S.u.f;
1602 } else {
1603 dst->min_val += src->min_val;
1604 dst->max_val += src->max_val;
1605 dst->samples += src->samples;
1606 dst->mean.u.f += src->mean.u.f;
1607 dst->S.u.f += src->S.u.f;
1608 }
756867bd
JA		 1609}
1610
37f0c1ae
JA		 1611void sum_group_stats(struct group_run_stats *dst, struct group_run_stats *src)
1612{
1613 int i;
1614
6eaf09d6 1615 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
37f0c1ae
JA		 1616 if (dst->max_run[i] < src->max_run[i])
1617 dst->max_run[i] = src->max_run[i];
1618 if (dst->min_run[i] && dst->min_run[i] > src->min_run[i])
1619 dst->min_run[i] = src->min_run[i];
1620 if (dst->max_bw[i] < src->max_bw[i])
1621 dst->max_bw[i] = src->max_bw[i];
1622 if (dst->min_bw[i] && dst->min_bw[i] > src->min_bw[i])
1623 dst->min_bw[i] = src->min_bw[i];
1624
af7f87cb 1625 dst->iobytes[i] += src->iobytes[i];
37f0c1ae
JA		 1626 dst->agg[i] += src->agg[i];
1627 }
1628
dbae1bd6
JA		 1629 if (!dst->kb_base)
1630 dst->kb_base = src->kb_base;
1631 if (!dst->unit_base)
1632 dst->unit_base = src->unit_base;
18aa1998
JF		 1633 if (!dst->sig_figs)
1634 dst->sig_figs = src->sig_figs;
37f0c1ae
JA		 1635}
1636
fd595830
JA		 1637void sum_thread_stats(struct thread_stat *dst, struct thread_stat *src,
1638 bool first)
5b9babb7
JA		 1639{
1640 int l, k;
1641
6eaf09d6 1642 for (l = 0; l < DDIR_RWDIR_CNT; l++) {
771e58be 1643 if (!dst->unified_rw_rep) {
70750d6a
JA		 1644 sum_stat(&dst->clat_stat[l], &src->clat_stat[l], first, false);
1645 sum_stat(&dst->slat_stat[l], &src->slat_stat[l], first, false);
1646 sum_stat(&dst->lat_stat[l], &src->lat_stat[l], first, false);
1647 sum_stat(&dst->bw_stat[l], &src->bw_stat[l], first, true);
1648 sum_stat(&dst->iops_stat[l], &src->iops_stat[l], first, true);
771e58be
JA		 1649
1650 dst->io_bytes[l] += src->io_bytes[l];
1651
1652 if (dst->runtime[l] < src->runtime[l])
1653 dst->runtime[l] = src->runtime[l];
1654 } else {
70750d6a
JA		 1655 sum_stat(&dst->clat_stat[0], &src->clat_stat[l], first, false);
1656 sum_stat(&dst->slat_stat[0], &src->slat_stat[l], first, false);
1657 sum_stat(&dst->lat_stat[0], &src->lat_stat[l], first, false);
1658 sum_stat(&dst->bw_stat[0], &src->bw_stat[l], first, true);
1659 sum_stat(&dst->iops_stat[0], &src->iops_stat[l], first, true);
771e58be
JA		 1660
1661 dst->io_bytes[0] += src->io_bytes[l];
1662
1663 if (dst->runtime[0] < src->runtime[l])
1664 dst->runtime[0] = src->runtime[l];
fd595830
JA		 1665
1666 /*
1667 * We're summing to the same destination, so override
1668 * 'first' after the first iteration of the loop
1669 */
1670 first = false;
771e58be 1671 }
5b9babb7
JA		 1672 }
1673
70750d6a 1674 sum_stat(&dst->sync_stat, &src->sync_stat, first, false);
5b9babb7
JA		 1675 dst->usr_time += src->usr_time;
1676 dst->sys_time += src->sys_time;
1677 dst->ctx += src->ctx;
1678 dst->majf += src->majf;
1679 dst->minf += src->minf;
1680
b2b3eefe 1681 for (k = 0; k < FIO_IO_U_MAP_NR; k++) {
5b9babb7 1682 dst->io_u_map[k] += src->io_u_map[k];
5b9babb7 1683 dst->io_u_submit[k] += src->io_u_submit[k];
5b9babb7 1684 dst->io_u_complete[k] += src->io_u_complete[k];
b2b3eefe 1685 }
bf14b39e
VF		 1686
1687 for (k = 0; k < FIO_IO_U_LAT_N_NR; k++)
d6bb626e 1688 dst->io_u_lat_n[k] += src->io_u_lat_n[k];
bf14b39e 1689 for (k = 0; k < FIO_IO_U_LAT_U_NR; k++)
5b9babb7 1690 dst->io_u_lat_u[k] += src->io_u_lat_u[k];
bf14b39e 1691 for (k = 0; k < FIO_IO_U_LAT_M_NR; k++)
5b9babb7 1692 dst->io_u_lat_m[k] += src->io_u_lat_m[k];
bf14b39e 1693
b2b3eefe
JA		 1694 for (k = 0; k < FIO_IO_U_PLAT_NR; k++)
1695 dst->io_u_sync_plat[k] += src->io_u_sync_plat[k];
5b9babb7 1696
6eaf09d6 1697 for (k = 0; k < DDIR_RWDIR_CNT; k++) {
771e58be
JA		 1698 if (!dst->unified_rw_rep) {
1699 dst->total_io_u[k] += src->total_io_u[k];
1700 dst->short_io_u[k] += src->short_io_u[k];
3bcb9d94 1701 dst->drop_io_u[k] += src->drop_io_u[k];
771e58be
JA		 1702 } else {
1703 dst->total_io_u[0] += src->total_io_u[k];
1704 dst->short_io_u[0] += src->short_io_u[k];
3bcb9d94 1705 dst->drop_io_u[0] += src->drop_io_u[k];
771e58be 1706 }
5b9babb7
JA		 1707 }
1708
7f3ecee2
JA		 1709 dst->total_io_u[DDIR_SYNC] += src->total_io_u[DDIR_SYNC];
1710
6eaf09d6 1711 for (k = 0; k < DDIR_RWDIR_CNT; k++) {
5b9babb7 1712 int m;
771e58be
JA		 1713
1714 for (m = 0; m < FIO_IO_U_PLAT_NR; m++) {
1715 if (!dst->unified_rw_rep)
1716 dst->io_u_plat[k][m] += src->io_u_plat[k][m];
1717 else
1718 dst->io_u_plat[0][m] += src->io_u_plat[k][m];
1719 }
5b9babb7
JA		 1720 }
1721
1722 dst->total_run_time += src->total_run_time;
1723 dst->total_submit += src->total_submit;
1724 dst->total_complete += src->total_complete;
fd5d733f 1725 dst->nr_zone_resets += src->nr_zone_resets;
96563db9
JA		 1726 dst->cachehit += src->cachehit;
1727 dst->cachemiss += src->cachemiss;
5b9babb7
JA		 1728}
1729
37f0c1ae
JA		 1730void init_group_run_stat(struct group_run_stats *gs)
1731{
6eaf09d6 1732 int i;
37f0c1ae 1733 memset(gs, 0, sizeof(*gs));
6eaf09d6
SL		 1734
1735 for (i = 0; i < DDIR_RWDIR_CNT; i++)
1736 gs->min_bw[i] = gs->min_run[i] = ~0UL;
37f0c1ae
JA		 1737}
1738
1739void init_thread_stat(struct thread_stat *ts)
1740{
1741 int j;
1742
1743 memset(ts, 0, sizeof(*ts));
1744
6eaf09d6 1745 for (j = 0; j < DDIR_RWDIR_CNT; j++) {
37f0c1ae
JA		 1746 ts->lat_stat[j].min_val = -1UL;
1747 ts->clat_stat[j].min_val = -1UL;
1748 ts->slat_stat[j].min_val = -1UL;
1749 ts->bw_stat[j].min_val = -1UL;
188b6016 1750 ts->iops_stat[j].min_val = -1UL;
37f0c1ae 1751 }
7f3ecee2 1752 ts->sync_stat.min_val = -1UL;
37f0c1ae
JA		 1753 ts->groupid = -1;
1754}
1755
83f7b64e 1756void __show_run_stats(void)
3c39a379
JA		 1757{
1758 struct group_run_stats *runstats, *rs;
1759 struct thread_data *td;
756867bd 1760 struct thread_stat *threadstats, *ts;
4da24b69 1761 int i, j, k, nr_ts, last_ts, idx;
8985b491
JA		 1762 bool kb_base_warned = false;
1763 bool unit_base_warned = false;
cc372b17
SL		 1764 struct json_object *root = NULL;
1765 struct json_array *array = NULL;
a666cab8 1766 struct buf_output output[FIO_OUTPUT_NR];
66e19a38 1767 struct flist_head **opt_lists;
a666cab8 1768
3c39a379
JA		 1769 runstats = malloc(sizeof(struct group_run_stats) * (groupid + 1));
1770
37f0c1ae
JA		 1771 for (i = 0; i < groupid + 1; i++)
1772 init_group_run_stat(&runstats[i]);
3c39a379 1773
756867bd
JA		 1774 /*
1775 * find out how many threads stats we need. if group reporting isn't
1776 * enabled, it's one-per-td.
1777 */
1778 nr_ts = 0;
1779 last_ts = -1;
1780 for_each_td(td, i) {
2dc1bbeb 1781 if (!td->o.group_reporting) {
756867bd
JA		 1782 nr_ts++;
1783 continue;
1784 }
1785 if (last_ts == td->groupid)
1786 continue;
8243be59
JA		 1787 if (!td->o.stats)
1788 continue;
756867bd
JA		 1789
1790 last_ts = td->groupid;
1791 nr_ts++;
1792 }
1793
1794 threadstats = malloc(nr_ts * sizeof(struct thread_stat));
66e19a38 1795 opt_lists = malloc(nr_ts * sizeof(struct flist_head *));
756867bd 1796
66e19a38 1797 for (i = 0; i < nr_ts; i++) {
37f0c1ae 1798 init_thread_stat(&threadstats[i]);
66e19a38
JA		 1799 opt_lists[i] = NULL;
1800 }
756867bd
JA		 1801
1802 j = 0;
1803 last_ts = -1;
197574e4 1804 idx = 0;
34572e28 1805 for_each_td(td, i) {
8243be59
JA		 1806 if (!td->o.stats)
1807 continue;
2dc1bbeb
JA		 1808 if (idx && (!td->o.group_reporting ||
1809 (td->o.group_reporting && last_ts != td->groupid))) {
7abd0e3a
JA		 1810 idx = 0;
1811 j++;
1812 }
1813
1814 last_ts = td->groupid;
1815
756867bd
JA		 1816 ts = &threadstats[j];
1817
83349190 1818 ts->clat_percentiles = td->o.clat_percentiles;
b599759b 1819 ts->lat_percentiles = td->o.lat_percentiles;
435d195a 1820 ts->percentile_precision = td->o.percentile_precision;
fd112d34 1821 memcpy(ts->percentile_list, td->o.percentile_list, sizeof(td->o.percentile_list));
66e19a38 1822 opt_lists[j] = &td->opt_list;
83349190 1823
197574e4 1824 idx++;
6586ee89 1825 ts->members++;
756867bd 1826
7abd0e3a 1827 if (ts->groupid == -1) {
2dc84ba7
JA		 1828 /*
1829 * These are per-group shared already
1830 */
36833fb0 1831 snprintf(ts->name, sizeof(ts->name), "%s", td->o.name);
a64e88da 1832 if (td->o.description)
36833fb0
BVA		 1833 snprintf(ts->description,
1834 sizeof(ts->description), "%s",
1835 td->o.description);
a64e88da 1836 else
4e59d0f3 1837 memset(ts->description, 0, FIO_JOBDESC_SIZE);
a64e88da 1838
2f122b13
JA		 1839 /*
1840 * If multiple entries in this group, this is
1841 * the first member.
1842 */
1843 ts->thread_number = td->thread_number;
756867bd 1844 ts->groupid = td->groupid;
2dc84ba7
JA		 1845
1846 /*
1847 * first pid in group, not very useful...
1848 */
756867bd 1849 ts->pid = td->pid;
90fef2d1
JA		 1850
1851 ts->kb_base = td->o.kb_base;
ad705bcb 1852 ts->unit_base = td->o.unit_base;
e883cb35 1853 ts->sig_figs = td->o.sig_figs;
771e58be 1854 ts->unified_rw_rep = td->o.unified_rw_rep;
90fef2d1
JA		 1855 } else if (ts->kb_base != td->o.kb_base && !kb_base_warned) {
1856 log_info("fio: kb_base differs for jobs in group, using"
1857 " %u as the base\n", ts->kb_base);
8985b491 1858 kb_base_warned = true;
ad705bcb
SN		 1859 } else if (ts->unit_base != td->o.unit_base && !unit_base_warned) {
1860 log_info("fio: unit_base differs for jobs in group, using"
1861 " %u as the base\n", ts->unit_base);
8985b491 1862 unit_base_warned = true;
2dc84ba7
JA		 1863 }
1864
f2bba182
RR		 1865 ts->continue_on_error = td->o.continue_on_error;
1866 ts->total_err_count += td->total_err_count;
1867 ts->first_error = td->first_error;
1868 if (!ts->error) {
1869 if (!td->error && td->o.continue_on_error &&
1870 td->first_error) {
1871 ts->error = td->first_error;
36833fb0
BVA		 1872 snprintf(ts->verror, sizeof(ts->verror), "%s",
1873 td->verror);
f2bba182
RR		 1874 } else if (td->error) {
1875 ts->error = td->error;
36833fb0
BVA		 1876 snprintf(ts->verror, sizeof(ts->verror), "%s",
1877 td->verror);
f2bba182 1878 }
756867bd
JA		 1879 }
1880
3e260a46
JA		 1881 ts->latency_depth = td->latency_qd;
1882 ts->latency_target = td->o.latency_target;
1883 ts->latency_percentile = td->o.latency_percentile;
1884 ts->latency_window = td->o.latency_window;
1885
0e4dd95c 1886 ts->nr_block_infos = td->ts.nr_block_infos;
4da24b69
JA		 1887 for (k = 0; k < ts->nr_block_infos; k++)
1888 ts->block_infos[k] = td->ts.block_infos[k];
0e4dd95c 1889
fd595830 1890 sum_thread_stats(ts, &td->ts, idx == 1);
16e56d25 1891
bb49c8bd
VF		 1892 if (td->o.ss_dur) {
1893 ts->ss_state = td->ss.state;
1894 ts->ss_dur = td->ss.dur;
1895 ts->ss_head = td->ss.head;
bb49c8bd
VF		 1896 ts->ss_bw_data = td->ss.bw_data;
1897 ts->ss_iops_data = td->ss.iops_data;
1898 ts->ss_limit.u.f = td->ss.limit;
1899 ts->ss_slope.u.f = td->ss.slope;
1900 ts->ss_deviation.u.f = td->ss.deviation;
1901 ts->ss_criterion.u.f = td->ss.criterion;
1902 }
16e56d25 1903 else
bb49c8bd 1904 ts->ss_dur = ts->ss_state = 0;
756867bd
JA		 1905 }
1906
1907 for (i = 0; i < nr_ts; i++) {
94370ac4 1908 unsigned long long bw;
3c39a379 1909
756867bd 1910 ts = &threadstats[i];
dedb88eb
JA		 1911 if (ts->groupid == -1)
1912 continue;
756867bd 1913 rs = &runstats[ts->groupid];
90fef2d1 1914 rs->kb_base = ts->kb_base;
ad705bcb 1915 rs->unit_base = ts->unit_base;
e883cb35 1916 rs->sig_figs = ts->sig_figs;
771e58be 1917 rs->unified_rw_rep += ts->unified_rw_rep;
3c39a379 1918
6eaf09d6 1919 for (j = 0; j < DDIR_RWDIR_CNT; j++) {
94370ac4
JA		 1920 if (!ts->runtime[j])
1921 continue;
1922 if (ts->runtime[j] < rs->min_run[j] || !rs->min_run[j])
1923 rs->min_run[j] = ts->runtime[j];
1924 if (ts->runtime[j] > rs->max_run[j])
1925 rs->max_run[j] = ts->runtime[j];
1926
1927 bw = 0;
af7f87cb
RE		 1928 if (ts->runtime[j])
1929 bw = ts->io_bytes[j] * 1000 / ts->runtime[j];
94370ac4
JA		 1930 if (bw < rs->min_bw[j])
1931 rs->min_bw[j] = bw;
1932 if (bw > rs->max_bw[j])
1933 rs->max_bw[j] = bw;
1934
af7f87cb 1935 rs->iobytes[j] += ts->io_bytes[j];
94370ac4 1936 }
3c39a379
JA		 1937 }
1938
1939 for (i = 0; i < groupid + 1; i++) {
6eaf09d6
SL		 1940 int ddir;
1941
3c39a379
JA		 1942 rs = &runstats[i];
1943
6eaf09d6
SL		 1944 for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++) {
1945 if (rs->max_run[ddir])
af7f87cb 1946 rs->agg[ddir] = (rs->iobytes[ddir] * 1000) /
6eaf09d6
SL		 1947 rs->max_run[ddir];
1948 }
3c39a379
JA		 1949 }
1950
a666cab8 1951 for (i = 0; i < FIO_OUTPUT_NR; i++)
e250c0a9 1952 buf_output_init(&output[i]);
a666cab8 1953
3c39a379
JA		 1954 /*
1955 * don't overwrite last signal output
1956 */
129fb2d4 1957 if (output_format & FIO_OUTPUT_NORMAL)
a666cab8 1958 log_buf(&output[__FIO_OUTPUT_NORMAL], "\n");
129fb2d4 1959 if (output_format & FIO_OUTPUT_JSON) {
66e19a38 1960 struct thread_data *global;
35326842 1961 char time_buf[32];
aa7d2ef0
RH		 1962 struct timeval now;
1963 unsigned long long ms_since_epoch;
afd74e2a 1964 time_t tv_sec;
91e53870 1965
aa7d2ef0
RH		 1966 gettimeofday(&now, NULL);
1967 ms_since_epoch = (unsigned long long)(now.tv_sec) * 1000 +
1968 (unsigned long long)(now.tv_usec) / 1000;
1969
afd74e2a
BVA		 1970 tv_sec = now.tv_sec;
1971 os_ctime_r(&tv_sec, time_buf, sizeof(time_buf));
1d272416
JA		 1972 if (time_buf[strlen(time_buf) - 1] == '\n')
1973 time_buf[strlen(time_buf) - 1] = '\0';
91e53870 1974
cc372b17
SL		 1975 root = json_create_object();
1976 json_object_add_value_string(root, "fio version", fio_version_string);
aa7d2ef0
RH		 1977 json_object_add_value_int(root, "timestamp", now.tv_sec);
1978 json_object_add_value_int(root, "timestamp_ms", ms_since_epoch);
91e53870 1979 json_object_add_value_string(root, "time", time_buf);
66e19a38 1980 global = get_global_options();
0cf542af 1981 json_add_job_opts(root, "global options", &global->opt_list);
cc372b17
SL		 1982 array = json_create_array();
1983 json_object_add_value_array(root, "jobs", array);
1984 }
3c39a379 1985
0279b880
JA		 1986 if (is_backend)
1987 fio_server_send_job_options(&get_global_options()->opt_list, -1U);
1988
756867bd
JA		 1989 for (i = 0; i < nr_ts; i++) {
1990 ts = &threadstats[i];
1991 rs = &runstats[ts->groupid];
3c39a379 1992
0279b880
JA		 1993 if (is_backend) {
1994 fio_server_send_job_options(opt_lists[i], i);
a64e88da 1995 fio_server_send_ts(ts, rs);
0279b880 1996 } else {
129fb2d4 1997 if (output_format & FIO_OUTPUT_TERSE)
a666cab8 1998 show_thread_status_terse(ts, rs, &output[__FIO_OUTPUT_TERSE]);
129fb2d4 1999 if (output_format & FIO_OUTPUT_JSON) {
66e19a38 2000 struct json_object *tmp = show_thread_status_json(ts, rs, opt_lists[i]);
129fb2d4
JA		 2001 json_array_add_value_object(array, tmp);
2002 }
2003 if (output_format & FIO_OUTPUT_NORMAL)
a666cab8 2004 show_thread_status_normal(ts, rs, &output[__FIO_OUTPUT_NORMAL]);
129fb2d4 2005 }
3c39a379 2006 }
ab34ddd1 2007 if (!is_backend && (output_format & FIO_OUTPUT_JSON)) {
cc372b17 2008 /* disk util stats, if any */
a666cab8 2009 show_disk_util(1, root, &output[__FIO_OUTPUT_JSON]);
cc372b17 2010
a666cab8 2011 show_idle_prof_stats(FIO_OUTPUT_JSON, root, &output[__FIO_OUTPUT_JSON]);
f2a2ce0e 2012
a666cab8
JA		 2013 json_print_object(root, &output[__FIO_OUTPUT_JSON]);
2014 log_buf(&output[__FIO_OUTPUT_JSON], "\n");
cc372b17
SL		 2015 json_free_object(root);
2016 }
3c39a379 2017
72c27ff8
JA		 2018 for (i = 0; i < groupid + 1; i++) {
2019 rs = &runstats[i];
3c39a379 2020
72c27ff8 2021 rs->groupid = i;
d09a64a0 2022 if (is_backend)
72c27ff8 2023 fio_server_send_gs(rs);
129fb2d4 2024 else if (output_format & FIO_OUTPUT_NORMAL)
a666cab8 2025 show_group_stats(rs, &output[__FIO_OUTPUT_NORMAL]);
c6ae0a5b 2026 }
eecf272f 2027
72c27ff8
JA		 2028 if (is_backend)
2029 fio_server_send_du();
129fb2d4 2030 else if (output_format & FIO_OUTPUT_NORMAL) {
a666cab8
JA		 2031 show_disk_util(0, NULL, &output[__FIO_OUTPUT_NORMAL]);
2032 show_idle_prof_stats(FIO_OUTPUT_NORMAL, NULL, &output[__FIO_OUTPUT_NORMAL]);
60904003 2033 }
f2a2ce0e 2034
3d57c0e9 2035 for (i = 0; i < FIO_OUTPUT_NR; i++) {
3dc3aa41 2036 struct buf_output *out = &output[i];
8dd0eca3 2037
3dc3aa41 2038 log_info_buf(out->buf, out->buflen);
3dc3aa41 2039 buf_output_free(out);
3d57c0e9 2040 }
2b8c71b0 2041
7ceefc09
FS		 2042 fio_idle_prof_cleanup();
2043
fdd5f15f 2044 log_info_flush();
eecf272f 2045 free(runstats);
756867bd 2046 free(threadstats);
66e19a38 2047 free(opt_lists);
3c39a379
JA		 2048}
2049
5ddc6707 2050void __show_running_run_stats(void)
b852e7cf
JA		 2051{
2052 struct thread_data *td;
2053 unsigned long long *rt;
8b6a404c 2054 struct timespec ts;
b852e7cf
JA		 2055 int i;
2056
971caeb1 2057 fio_sem_down(stat_sem);
90811930 2058
b852e7cf 2059 rt = malloc(thread_number * sizeof(unsigned long long));
8b6a404c 2060 fio_gettime(&ts, NULL);
b852e7cf
JA		 2061
2062 for_each_td(td, i) {
c97f1ad6 2063 td->update_rusage = 1;
6eaf09d6
SL		 2064 td->ts.io_bytes[DDIR_READ] = td->io_bytes[DDIR_READ];
2065 td->ts.io_bytes[DDIR_WRITE] = td->io_bytes[DDIR_WRITE];
2066 td->ts.io_bytes[DDIR_TRIM] = td->io_bytes[DDIR_TRIM];
8b6a404c 2067 td->ts.total_run_time = mtime_since(&td->epoch, &ts);
6c041a88 2068
8b6a404c 2069 rt[i] = mtime_since(&td->start, &ts);
6c041a88 2070 if (td_read(td) && td->ts.io_bytes[DDIR_READ])
2071 td->ts.runtime[DDIR_READ] += rt[i];
2072 if (td_write(td) && td->ts.io_bytes[DDIR_WRITE])
2073 td->ts.runtime[DDIR_WRITE] += rt[i];
2074 if (td_trim(td) && td->ts.io_bytes[DDIR_TRIM])
2075 td->ts.runtime[DDIR_TRIM] += rt[i];
b852e7cf
JA		 2076 }
2077
c97f1ad6 2078 for_each_td(td, i) {
fda2cfac
JA		 2079 if (td->runstate >= TD_EXITED)
2080 continue;
c97f1ad6
JA		 2081 if (td->rusage_sem) {
2082 td->update_rusage = 1;
971caeb1 2083 fio_sem_down(td->rusage_sem);
c97f1ad6
JA		 2084 }
2085 td->update_rusage = 0;
2086 }
2087
cef9175e 2088 __show_run_stats();
b852e7cf
JA		 2089
2090 for_each_td(td, i) {
6c041a88 2091 if (td_read(td) && td->ts.io_bytes[DDIR_READ])
b852e7cf 2092 td->ts.runtime[DDIR_READ] -= rt[i];
6c041a88 2093 if (td_write(td) && td->ts.io_bytes[DDIR_WRITE])
b852e7cf 2094 td->ts.runtime[DDIR_WRITE] -= rt[i];
6c041a88 2095 if (td_trim(td) && td->ts.io_bytes[DDIR_TRIM])
6eaf09d6 2096 td->ts.runtime[DDIR_TRIM] -= rt[i];
b852e7cf
JA		 2097 }
2098
2099 free(rt);
971caeb1 2100 fio_sem_up(stat_sem);
b852e7cf
JA		 2101}
2102
8985b491 2103static bool status_interval_init;
8b6a404c 2104static struct timespec status_time;
8985b491 2105static bool status_file_disabled;
06464907 2106
dac45f23 2107#define FIO_STATUS_FILE "fio-dump-status"
06464907
JA		 2108
2109static int check_status_file(void)
2110{
2111 struct stat sb;
a0bafb7d
BC		 2112 const char *temp_dir;
2113 char fio_status_file_path[PATH_MAX];
06464907 2114
77d99675
JA		 2115 if (status_file_disabled)
2116 return 0;
2117
a0bafb7d 2118 temp_dir = getenv("TMPDIR");
48b16e27 2119 if (temp_dir == NULL) {
a0bafb7d 2120 temp_dir = getenv("TEMP");
48b16e27
JA		 2121 if (temp_dir && strlen(temp_dir) >= PATH_MAX)
2122 temp_dir = NULL;
2123 }
a0bafb7d
BC		 2124 if (temp_dir == NULL)
2125 temp_dir = "/tmp";
2126
2127 snprintf(fio_status_file_path, sizeof(fio_status_file_path), "%s/%s", temp_dir, FIO_STATUS_FILE);
2128
2129 if (stat(fio_status_file_path, &sb))
06464907
JA		 2130 return 0;
2131
77d99675
JA		 2132 if (unlink(fio_status_file_path) < 0) {
2133 log_err("fio: failed to unlink %s: %s\n", fio_status_file_path,
2134 strerror(errno));
2135 log_err("fio: disabling status file updates\n");
8985b491 2136 status_file_disabled = true;
77d99675
JA		 2137 }
2138
06464907
JA		 2139 return 1;
2140}
2141
2142void check_for_running_stats(void)
2143{
2144 if (status_interval) {
2145 if (!status_interval_init) {
2146 fio_gettime(&status_time, NULL);
8985b491 2147 status_interval_init = true;
06464907
JA		 2148 } else if (mtime_since_now(&status_time) >= status_interval) {
2149 show_running_run_stats();
2150 fio_gettime(&status_time, NULL);
2151 return;
2152 }
2153 }
2154 if (check_status_file()) {
2155 show_running_run_stats();
2156 return;
2157 }
2158}
2159
d6bb626e 2160static inline void add_stat_sample(struct io_stat *is, unsigned long long data)
3c39a379 2161{
68704084 2162 double val = data;
6660cc67 2163 double delta;
68704084
JA		 2164
2165 if (data > is->max_val)
2166 is->max_val = data;
2167 if (data < is->min_val)
2168 is->min_val = data;
2169
802ad4a8 2170 delta = val - is->mean.u.f;
ef11d737 2171 if (delta) {
802ad4a8
JA		 2172 is->mean.u.f += delta / (is->samples + 1.0);
2173 is->S.u.f += delta * (val - is->mean.u.f);
ef11d737 2174 }
3c39a379 2175
3c39a379
JA		 2176 is->samples++;
2177}
2178
7e419452
JA		 2179/*
2180 * Return a struct io_logs, which is added to the tail of the log
2181 * list for 'iolog'.
2182 */
2183static struct io_logs *get_new_log(struct io_log *iolog)
2184{
2185 size_t new_size, new_samples;
2186 struct io_logs *cur_log;
2187
2188 /*
2189 * Cap the size at MAX_LOG_ENTRIES, so we don't keep doubling
2190 * forever
2191 */
2192 if (!iolog->cur_log_max)
2193 new_samples = DEF_LOG_ENTRIES;
2194 else {
2195 new_samples = iolog->cur_log_max * 2;
2196 if (new_samples > MAX_LOG_ENTRIES)
2197 new_samples = MAX_LOG_ENTRIES;
2198 }
2199
7e419452 2200 new_size = new_samples * log_entry_sz(iolog);
7e419452 2201
90d2d53f 2202 cur_log = smalloc(sizeof(*cur_log));
7e419452
JA		 2203 if (cur_log) {
2204 INIT_FLIST_HEAD(&cur_log->list);
2205 cur_log->log = malloc(new_size);
2206 if (cur_log->log) {
2207 cur_log->nr_samples = 0;
2208 cur_log->max_samples = new_samples;
2209 flist_add_tail(&cur_log->list, &iolog->io_logs);
2210 iolog->cur_log_max = new_samples;
2211 return cur_log;
2212 }
90d2d53f 2213 sfree(cur_log);
7e419452
JA		 2214 }
2215
2216 return NULL;
2217}
2218
1fed2080
JA		 2219/*
2220 * Add and return a new log chunk, or return current log if big enough
2221 */
2222static struct io_logs *regrow_log(struct io_log *iolog)
7e419452
JA		 2223{
2224 struct io_logs *cur_log;
1fed2080 2225 int i;
7e419452 2226
1fed2080 2227 if (!iolog || iolog->disabled)
2ab71dc4 2228 goto disable;
7e419452 2229
1fed2080 2230 cur_log = iolog_cur_log(iolog);
a9afa45a
JA		 2231 if (!cur_log) {
2232 cur_log = get_new_log(iolog);
2233 if (!cur_log)
2234 return NULL;
2235 }
2236
7e419452
JA		 2237 if (cur_log->nr_samples < cur_log->max_samples)
2238 return cur_log;
2239
2240 /*
2241 * No room for a new sample. If we're compressing on the fly, flush
2242 * out the current chunk
2243 */
2244 if (iolog->log_gz) {
2245 if (iolog_cur_flush(iolog, cur_log)) {
2246 log_err("fio: failed flushing iolog! Will stop logging.\n");
2247 return NULL;
2248 }
2249 }
2250
2251 /*
2252 * Get a new log array, and add to our list
2253 */
2254 cur_log = get_new_log(iolog);
1fed2080
JA		 2255 if (!cur_log) {
2256 log_err("fio: failed extending iolog! Will stop logging.\n");
2257 return NULL;
2258 }
2259
2260 if (!iolog->pending || !iolog->pending->nr_samples)
80a24ba9 2261 return cur_log;
7e419452 2262
1fed2080
JA		 2263 /*
2264 * Flush pending items to new log
2265 */
2266 for (i = 0; i < iolog->pending->nr_samples; i++) {
2267 struct io_sample *src, *dst;
2268
2269 src = get_sample(iolog, iolog->pending, i);
2270 dst = get_sample(iolog, cur_log, i);
2271 memcpy(dst, src, log_entry_sz(iolog));
2272 }
0b2eef49 2273 cur_log->nr_samples = iolog->pending->nr_samples;
1fed2080
JA		 2274
2275 iolog->pending->nr_samples = 0;
2276 return cur_log;
2ab71dc4
JA		 2277disable:
2278 if (iolog)
2279 iolog->disabled = true;
2280 return NULL;
1fed2080
JA		 2281}
2282
2283void regrow_logs(struct thread_data *td)
2284{
2ab71dc4
JA		 2285 regrow_log(td->slat_log);
2286 regrow_log(td->clat_log);
1e613c9c 2287 regrow_log(td->clat_hist_log);
2ab71dc4
JA		 2288 regrow_log(td->lat_log);
2289 regrow_log(td->bw_log);
2290 regrow_log(td->iops_log);
1fed2080
JA		 2291 td->flags &= ~TD_F_REGROW_LOGS;
2292}
2293
2294static struct io_logs *get_cur_log(struct io_log *iolog)
2295{
2296 struct io_logs *cur_log;
2297
2298 cur_log = iolog_cur_log(iolog);
2299 if (!cur_log) {
2300 cur_log = get_new_log(iolog);
2301 if (!cur_log)
2302 return NULL;
2303 }
2304
2305 if (cur_log->nr_samples < cur_log->max_samples)
2306 return cur_log;
2307
2308 /*
1eb467fb
JA		 2309 * Out of space. If we're in IO offload mode, or we're not doing
2310 * per unit logging (hence logging happens outside of the IO thread
2311 * as well), add a new log chunk inline. If we're doing inline
2312 * submissions, flag 'td' as needing a log regrow and we'll take
2313 * care of it on the submission side.
1fed2080 2314 */
ab5643cb 2315 if ((iolog->td && iolog->td->o.io_submit_mode == IO_MODE_OFFLOAD) ||
1eb467fb 2316 !per_unit_log(iolog))
1fed2080
JA		 2317 return regrow_log(iolog);
2318
ab5643cb
IK		 2319 if (iolog->td)
2320 iolog->td->flags |= TD_F_REGROW_LOGS;
2321 if (iolog->pending)
2322 assert(iolog->pending->nr_samples < iolog->pending->max_samples);
1fed2080 2323 return iolog->pending;
7e419452
JA		 2324}
2325
af2fde19 2326static void __add_log_sample(struct io_log *iolog, union io_sample_data data,
5fff9543 2327 enum fio_ddir ddir, unsigned long long bs,
ae588852 2328 unsigned long t, uint64_t offset)
3c39a379 2329{
7e419452 2330 struct io_logs *cur_log;
306ddc97 2331
3c568239
JA		 2332 if (iolog->disabled)
2333 return;
7e419452 2334 if (flist_empty(&iolog->io_logs))
8355119b 2335 iolog->avg_last[ddir] = t;
b8bc8cba 2336
7e419452
JA		 2337 cur_log = get_cur_log(iolog);
2338 if (cur_log) {
2339 struct io_sample *s;
3c39a379 2340
7e419452 2341 s = get_sample(iolog, cur_log, cur_log->nr_samples);
3c39a379 2342
af2fde19 2343 s->data = data;
a9179eeb 2344 s->time = t + (iolog->td ? iolog->td->unix_epoch : 0);
7e419452
JA		 2345 io_sample_set_ddir(iolog, s, ddir);
2346 s->bs = bs;
ae588852 2347
7e419452
JA		 2348 if (iolog->log_offset) {
2349 struct io_sample_offset *so = (void *) s;
ae588852 2350
7e419452
JA		 2351 so->offset = offset;
2352 }
ae588852 2353
7e419452
JA		 2354 cur_log->nr_samples++;
2355 return;
ae588852
JA		 2356 }
2357
7e419452 2358 iolog->disabled = true;
3c39a379
JA		 2359}
2360
7fb28d36
JA		 2361static inline void reset_io_stat(struct io_stat *ios)
2362{
5b8f19b7
JA		 2363 ios->min_val = -1ULL;
2364 ios->max_val = ios->samples = 0;
7fb28d36
JA		 2365 ios->mean.u.f = ios->S.u.f = 0;
2366}
2367
6bb58215
JA		 2368void reset_io_stats(struct thread_data *td)
2369{
2370 struct thread_stat *ts = &td->ts;
2371 int i, j;
2372
2373 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
2374 reset_io_stat(&ts->clat_stat[i]);
2375 reset_io_stat(&ts->slat_stat[i]);
2376 reset_io_stat(&ts->lat_stat[i]);
2377 reset_io_stat(&ts->bw_stat[i]);
2378 reset_io_stat(&ts->iops_stat[i]);
2379
2380 ts->io_bytes[i] = 0;
2381 ts->runtime[i] = 0;
71cb78c1
VF		 2382 ts->total_io_u[i] = 0;
2383 ts->short_io_u[i] = 0;
2384 ts->drop_io_u[i] = 0;
6bb58215 2385
b2b3eefe 2386 for (j = 0; j < FIO_IO_U_PLAT_NR; j++) {
6bb58215 2387 ts->io_u_plat[i][j] = 0;
b2b3eefe
JA		 2388 if (!i)
2389 ts->io_u_sync_plat[j] = 0;
2390 }
6bb58215
JA		 2391 }
2392
7f3ecee2
JA		 2393 ts->total_io_u[DDIR_SYNC] = 0;
2394
6bb58215
JA		 2395 for (i = 0; i < FIO_IO_U_MAP_NR; i++) {
2396 ts->io_u_map[i] = 0;
2397 ts->io_u_submit[i] = 0;
2398 ts->io_u_complete[i] = 0;
71cb78c1
VF		 2399 }
2400
d6bb626e
VF		 2401 for (i = 0; i < FIO_IO_U_LAT_N_NR; i++)
2402 ts->io_u_lat_n[i] = 0;
71cb78c1 2403 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++)
6bb58215 2404 ts->io_u_lat_u[i] = 0;
71cb78c1 2405 for (i = 0; i < FIO_IO_U_LAT_M_NR; i++)
6bb58215 2406 ts->io_u_lat_m[i] = 0;
6bb58215 2407
71cb78c1
VF		 2408 ts->total_submit = 0;
2409 ts->total_complete = 0;
fd5d733f 2410 ts->nr_zone_resets = 0;
96563db9 2411 ts->cachehit = ts->cachemiss = 0;
6bb58215
JA		 2412}
2413
d96d3bb3 2414static void __add_stat_to_log(struct io_log *iolog, enum fio_ddir ddir,
e6989e10 2415 unsigned long elapsed, bool log_max)
99007068
PO		 2416{
2417 /*
2418 * Note an entry in the log. Use the mean from the logged samples,
2419 * making sure to properly round up. Only write a log entry if we
2420 * had actual samples done.
2421 */
d96d3bb3 2422 if (iolog->avg_window[ddir].samples) {
af2fde19 2423 union io_sample_data data;
99007068 2424
e6989e10 2425 if (log_max)
af2fde19 2426 data.val = iolog->avg_window[ddir].max_val;
e6989e10 2427 else
af2fde19 2428 data.val = iolog->avg_window[ddir].mean.u.f + 0.50;
e6989e10 2429
af2fde19 2430 __add_log_sample(iolog, data, ddir, 0, elapsed, 0);
99007068 2431 }
99007068 2432
d96d3bb3
JA		 2433 reset_io_stat(&iolog->avg_window[ddir]);
2434}
99007068 2435
e6989e10
JA		 2436static void _add_stat_to_log(struct io_log *iolog, unsigned long elapsed,
2437 bool log_max)
d96d3bb3
JA		 2438{
2439 int ddir;
99007068 2440
d96d3bb3 2441 for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++)
e6989e10 2442 __add_stat_to_log(iolog, ddir, elapsed, log_max);
99007068
PO		 2443}
2444
674456bf
JF		 2445static unsigned long add_log_sample(struct thread_data *td,
2446 struct io_log *iolog,
2447 union io_sample_data data,
5fff9543 2448 enum fio_ddir ddir, unsigned long long bs,
674456bf 2449 uint64_t offset)
bb3884d8 2450{
7fb28d36 2451 unsigned long elapsed, this_window;
b8bc8cba 2452
ff58fced 2453 if (!ddir_rw(ddir))
d454a205 2454 return 0;
ff58fced 2455
b8bc8cba
JA		 2456 elapsed = mtime_since_now(&td->epoch);
2457
2458 /*
2459 * If no time averaging, just add the log sample.
2460 */
2461 if (!iolog->avg_msec) {
af2fde19 2462 __add_log_sample(iolog, data, ddir, bs, elapsed, offset);
d454a205 2463 return 0;
b8bc8cba
JA		 2464 }
2465
2466 /*
2467 * Add the sample. If the time period has passed, then
2468 * add that entry to the log and clear.
2469 */
af2fde19 2470 add_stat_sample(&iolog->avg_window[ddir], data.val);
b8bc8cba 2471
7fb28d36
JA		 2472 /*
2473 * If period hasn't passed, adding the above sample is all we
2474 * need to do.
2475 */
8355119b
SW		 2476 this_window = elapsed - iolog->avg_last[ddir];
2477 if (elapsed < iolog->avg_last[ddir])
2478 return iolog->avg_last[ddir] - elapsed;
f5a568cf 2479 else if (this_window < iolog->avg_msec) {
674456bf 2480 unsigned long diff = iolog->avg_msec - this_window;
d454a205 2481
b392f36d 2482 if (inline_log(iolog) || diff > LOG_MSEC_SLACK)
d454a205
JA		 2483 return diff;
2484 }
b8bc8cba 2485
8355119b 2486 __add_stat_to_log(iolog, ddir, elapsed, td->o.log_max != 0);
b8bc8cba 2487
8355119b 2488 iolog->avg_last[ddir] = elapsed - (this_window - iolog->avg_msec);
d454a205 2489 return iolog->avg_msec;
99007068 2490}
6eaf09d6 2491
a47591e4 2492void finalize_logs(struct thread_data *td, bool unit_logs)
99007068
PO		 2493{
2494 unsigned long elapsed;
6eaf09d6 2495
99007068 2496 elapsed = mtime_since_now(&td->epoch);
b8bc8cba 2497
a47591e4 2498 if (td->clat_log && unit_logs)
e6989e10 2499 _add_stat_to_log(td->clat_log, elapsed, td->o.log_max != 0);
a47591e4 2500 if (td->slat_log && unit_logs)
e6989e10 2501 _add_stat_to_log(td->slat_log, elapsed, td->o.log_max != 0);
a47591e4 2502 if (td->lat_log && unit_logs)
e6989e10 2503 _add_stat_to_log(td->lat_log, elapsed, td->o.log_max != 0);
a47591e4 2504 if (td->bw_log && (unit_logs == per_unit_log(td->bw_log)))
e6989e10 2505 _add_stat_to_log(td->bw_log, elapsed, td->o.log_max != 0);
a47591e4 2506 if (td->iops_log && (unit_logs == per_unit_log(td->iops_log)))
e6989e10 2507 _add_stat_to_log(td->iops_log, elapsed, td->o.log_max != 0);
bb3884d8
JA		 2508}
2509
5fff9543 2510void add_agg_sample(union io_sample_data data, enum fio_ddir ddir, unsigned long long bs)
bb3884d8 2511{
ff58fced 2512 struct io_log *iolog;
bb3884d8 2513
ff58fced
JA		 2514 if (!ddir_rw(ddir))
2515 return;
2516
2517 iolog = agg_io_log[ddir];
af2fde19 2518 __add_log_sample(iolog, data, ddir, bs, mtime_since_genesis(), 0);
bb3884d8
JA		 2519}
2520
b2b3eefe
JA		 2521void add_sync_clat_sample(struct thread_stat *ts, unsigned long long nsec)
2522{
2523 unsigned int idx = plat_val_to_idx(nsec);
2524 assert(idx < FIO_IO_U_PLAT_NR);
2525
2526 ts->io_u_sync_plat[idx]++;
2527 add_stat_sample(&ts->sync_stat, nsec);
2528}
2529
83349190 2530static void add_clat_percentile_sample(struct thread_stat *ts,
d6bb626e 2531 unsigned long long nsec, enum fio_ddir ddir)
83349190 2532{
d6bb626e 2533 unsigned int idx = plat_val_to_idx(nsec);
83349190
YH		 2534 assert(idx < FIO_IO_U_PLAT_NR);
2535
2536 ts->io_u_plat[ddir][idx]++;
2537}
2538
1e97cce9 2539void add_clat_sample(struct thread_data *td, enum fio_ddir ddir,
5fff9543
JF		 2540 unsigned long long nsec, unsigned long long bs,
2541 uint64_t offset)
3c39a379 2542{
26b3a188 2543 const bool needs_lock = td_async_processing(td);
1e613c9c 2544 unsigned long elapsed, this_window;
756867bd 2545 struct thread_stat *ts = &td->ts;
1e613c9c 2546 struct io_log *iolog = td->clat_hist_log;
079ad09b 2547
26b3a188
JA		 2548 if (needs_lock)
2549 __td_io_u_lock(td);
75dc383e 2550
d6bb626e 2551 add_stat_sample(&ts->clat_stat[ddir], nsec);
3c39a379 2552
7b9f733a 2553 if (td->clat_log)
d6bb626e 2554 add_log_sample(td, td->clat_log, sample_val(nsec), ddir, bs,
af2fde19 2555 offset);
83349190
YH		 2556
2557 if (ts->clat_percentiles)
d6bb626e 2558 add_clat_percentile_sample(ts, nsec, ddir);
75dc383e 2559
1e613c9c 2560 if (iolog && iolog->hist_msec) {
93168285
JA		 2561 struct io_hist *hw = &iolog->hist_window[ddir];
2562
2563 hw->samples++;
1e613c9c 2564 elapsed = mtime_since_now(&td->epoch);
93168285 2565 if (!hw->hist_last)
1e613c9c
KC		 2566 hw->hist_last = elapsed;
2567 this_window = elapsed - hw->hist_last;
2568
2569 if (this_window >= iolog->hist_msec) {
6cc0e5aa 2570 uint64_t *io_u_plat;
65a4d15c 2571 struct io_u_plat_entry *dst;
93168285 2572
1e613c9c 2573 /*
93168285
JA		 2574 * Make a byte-for-byte copy of the latency histogram
2575 * stored in td->ts.io_u_plat[ddir], recording it in a
2576 * log sample. Note that the matching call to free() is
2577 * located in iolog.c after printing this sample to the
2578 * log file.
1e613c9c 2579 */
6cc0e5aa 2580 io_u_plat = (uint64_t *) td->ts.io_u_plat[ddir];
65a4d15c
KC		 2581 dst = malloc(sizeof(struct io_u_plat_entry));
2582 memcpy(&(dst->io_u_plat), io_u_plat,
93168285 2583 FIO_IO_U_PLAT_NR * sizeof(unsigned int));
d730bc58 2584 flist_add(&dst->list, &hw->list);
af2fde19 2585 __add_log_sample(iolog, sample_plat(dst), ddir, bs,
93168285 2586 elapsed, offset);
1e613c9c
KC		 2587
2588 /*
93168285
JA		 2589 * Update the last time we recorded as being now, minus
2590 * any drift in time we encountered before actually
2591 * making the record.
1e613c9c
KC		 2592 */
2593 hw->hist_last = elapsed - (this_window - iolog->hist_msec);
2594 hw->samples = 0;
2595 }
2596 }
2597
26b3a188
JA		 2598 if (needs_lock)
2599 __td_io_u_unlock(td);
3c39a379
JA		 2600}
2601
1e97cce9 2602void add_slat_sample(struct thread_data *td, enum fio_ddir ddir,
5fff9543 2603 unsigned long usec, unsigned long long bs, uint64_t offset)
3c39a379 2604{
26b3a188 2605 const bool needs_lock = td_async_processing(td);
756867bd 2606 struct thread_stat *ts = &td->ts;
079ad09b 2607
ff58fced
JA		 2608 if (!ddir_rw(ddir))
2609 return;
2610
26b3a188
JA		 2611 if (needs_lock)
2612 __td_io_u_lock(td);
75dc383e 2613
d85f5118 2614 add_stat_sample(&ts->slat_stat[ddir], usec);
3c39a379 2615
7b9f733a 2616 if (td->slat_log)
af2fde19 2617 add_log_sample(td, td->slat_log, sample_val(usec), ddir, bs, offset);
75dc383e 2618
26b3a188
JA		 2619 if (needs_lock)
2620 __td_io_u_unlock(td);
3c39a379
JA		 2621}
2622
02af0988 2623void add_lat_sample(struct thread_data *td, enum fio_ddir ddir,
5fff9543
JF		 2624 unsigned long long nsec, unsigned long long bs,
2625 uint64_t offset)
02af0988 2626{
26b3a188 2627 const bool needs_lock = td_async_processing(td);
02af0988
JA		 2628 struct thread_stat *ts = &td->ts;
2629
ff58fced
JA		 2630 if (!ddir_rw(ddir))
2631 return;
2632
26b3a188
JA		 2633 if (needs_lock)
2634 __td_io_u_lock(td);
75dc383e 2635
d6bb626e 2636 add_stat_sample(&ts->lat_stat[ddir], nsec);
02af0988 2637
7b9f733a 2638 if (td->lat_log)
d6bb626e 2639 add_log_sample(td, td->lat_log, sample_val(nsec), ddir, bs,
af2fde19 2640 offset);
75dc383e 2641
b599759b
JA		 2642 if (ts->lat_percentiles)
2643 add_clat_percentile_sample(ts, nsec, ddir);
2644
26b3a188
JA		 2645 if (needs_lock)
2646 __td_io_u_unlock(td);
02af0988
JA		 2647}
2648
a47591e4 2649void add_bw_sample(struct thread_data *td, struct io_u *io_u,
d6bb626e 2650 unsigned int bytes, unsigned long long spent)
a47591e4 2651{
26b3a188 2652 const bool needs_lock = td_async_processing(td);
a47591e4
JA		 2653 struct thread_stat *ts = &td->ts;
2654 unsigned long rate;
2655
2656 if (spent)
d6bb626e 2657 rate = (unsigned long) (bytes * 1000000ULL / spent);
a47591e4
JA		 2658 else
2659 rate = 0;
2660
26b3a188
JA		 2661 if (needs_lock)
2662 __td_io_u_lock(td);
a47591e4
JA		 2663
2664 add_stat_sample(&ts->bw_stat[io_u->ddir], rate);
2665
2666 if (td->bw_log)
af2fde19
SW		 2667 add_log_sample(td, td->bw_log, sample_val(rate), io_u->ddir,
2668 bytes, io_u->offset);
a47591e4
JA		 2669
2670 td->stat_io_bytes[io_u->ddir] = td->this_io_bytes[io_u->ddir];
26b3a188
JA		 2671
2672 if (needs_lock)
2673 __td_io_u_unlock(td);
a47591e4
JA		 2674}
2675
8b6a404c
VF		 2676static int __add_samples(struct thread_data *td, struct timespec *parent_tv,
2677 struct timespec *t, unsigned int avg_time,
4843277a
JA		 2678 uint64_t *this_io_bytes, uint64_t *stat_io_bytes,
2679 struct io_stat *stat, struct io_log *log,
2680 bool is_kb)
3c39a379 2681{
26b3a188 2682 const bool needs_lock = td_async_processing(td);
ff58fced 2683 unsigned long spent, rate;
a47591e4 2684 enum fio_ddir ddir;
674456bf 2685 unsigned long next, next_log;
d454a205 2686
4843277a 2687 next_log = avg_time;
ff58fced 2688
4843277a
JA		 2689 spent = mtime_since(parent_tv, t);
2690 if (spent < avg_time && avg_time - spent >= LOG_MSEC_SLACK)
2691 return avg_time - spent;
9602d8df 2692
26b3a188
JA		 2693 if (needs_lock)
2694 __td_io_u_lock(td);
a9da8ab2 2695
9602d8df 2696 /*
5daa4ebe
JC		 2697 * Compute both read and write rates for the interval.
2698 */
c1f50f76 2699 for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++) {
5daa4ebe
JC		 2700 uint64_t delta;
2701
4843277a 2702 delta = this_io_bytes[ddir] - stat_io_bytes[ddir];
5daa4ebe
JC		 2703 if (!delta)
2704 continue; /* No entries for interval */
3c39a379 2705
4843277a
JA		 2706 if (spent) {
2707 if (is_kb)
2708 rate = delta * 1000 / spent / 1024; /* KiB/s */
2709 else
2710 rate = (delta * 1000) / spent;
2711 } else
0956264f
JA		 2712 rate = 0;
2713
4843277a 2714 add_stat_sample(&stat[ddir], rate);
3c39a379 2715
37181709 2716 if (log) {
5fff9543 2717 unsigned long long bs = 0;
66b98c9f
JA		 2718
2719 if (td->o.min_bs[ddir] == td->o.max_bs[ddir])
2720 bs = td->o.min_bs[ddir];
2721
4843277a 2722 next = add_log_sample(td, log, sample_val(rate), ddir, bs, 0);
d454a205 2723 next_log = min(next_log, next);
66b98c9f 2724 }
5daa4ebe 2725
4843277a 2726 stat_io_bytes[ddir] = this_io_bytes[ddir];
5daa4ebe 2727 }
3c39a379 2728
8b6a404c 2729 timespec_add_msec(parent_tv, avg_time);
a47591e4 2730
26b3a188
JA		 2731 if (needs_lock)
2732 __td_io_u_unlock(td);
a47591e4 2733
4843277a
JA		 2734 if (spent <= avg_time)
2735 next = avg_time;
306fea38 2736 else
4843277a 2737 next = avg_time - (1 + spent - avg_time);
a47591e4 2738
d454a205 2739 return min(next, next_log);
a47591e4
JA		 2740}
2741
8b6a404c 2742static int add_bw_samples(struct thread_data *td, struct timespec *t)
4843277a
JA		 2743{
2744 return __add_samples(td, &td->bw_sample_time, t, td->o.bw_avg_time,
2745 td->this_io_bytes, td->stat_io_bytes,
2746 td->ts.bw_stat, td->bw_log, true);
2747}
2748
a47591e4
JA		 2749void add_iops_sample(struct thread_data *td, struct io_u *io_u,
2750 unsigned int bytes)
2751{
26b3a188 2752 const bool needs_lock = td_async_processing(td);
a47591e4
JA		 2753 struct thread_stat *ts = &td->ts;
2754
26b3a188
JA		 2755 if (needs_lock)
2756 __td_io_u_lock(td);
a47591e4
JA		 2757
2758 add_stat_sample(&ts->iops_stat[io_u->ddir], 1);
2759
2760 if (td->iops_log)
af2fde19
SW		 2761 add_log_sample(td, td->iops_log, sample_val(1), io_u->ddir,
2762 bytes, io_u->offset);
a47591e4
JA		 2763
2764 td->stat_io_blocks[io_u->ddir] = td->this_io_blocks[io_u->ddir];
26b3a188
JA		 2765
2766 if (needs_lock)
2767 __td_io_u_unlock(td);
3c39a379 2768}
c8eeb9df 2769
8b6a404c 2770static int add_iops_samples(struct thread_data *td, struct timespec *t)
c8eeb9df 2771{
4843277a
JA		 2772 return __add_samples(td, &td->iops_sample_time, t, td->o.iops_avg_time,
2773 td->this_io_blocks, td->stat_io_blocks,
2774 td->ts.iops_stat, td->iops_log, false);
a47591e4
JA		 2775}
2776
2777/*
2778 * Returns msecs to next event
2779 */
2780int calc_log_samples(void)
2781{
2782 struct thread_data *td;
2783 unsigned int next = ~0U, tmp;
8b6a404c 2784 struct timespec now;
a47591e4
JA		 2785 int i;
2786
2787 fio_gettime(&now, NULL);
2788
2789 for_each_td(td, i) {
8243be59
JA		 2790 if (!td->o.stats)
2791 continue;
6a89b401 2792 if (in_ramp_time(td) ||
a47591e4
JA		 2793 !(td->runstate == TD_RUNNING || td->runstate == TD_VERIFYING)) {
2794 next = min(td->o.iops_avg_time, td->o.bw_avg_time);
2795 continue;
2796 }
37181709
AH		 2797 if (!td->bw_log ||
2798 (td->bw_log && !per_unit_log(td->bw_log))) {
a47591e4
JA		 2799 tmp = add_bw_samples(td, &now);
2800 if (tmp < next)
2801 next = tmp;
2802 }
37181709
AH		 2803 if (!td->iops_log ||
2804 (td->iops_log && !per_unit_log(td->iops_log))) {
a47591e4
JA		 2805 tmp = add_iops_samples(td, &now);
2806 if (tmp < next)
2807 next = tmp;
2808 }
2809 }
2810
2811 return next == ~0U ? 0 : next;
c8eeb9df 2812}
cef9175e
JA		 2813
2814void stat_init(void)
2815{
971caeb1 2816 stat_sem = fio_sem_init(FIO_SEM_UNLOCKED);
cef9175e
JA		 2817}
2818
2819void stat_exit(void)
2820{
2821 /*
2822 * When we have the mutex, we know out-of-band access to it
2823 * have ended.
2824 */
971caeb1
BVA		 2825 fio_sem_down(stat_sem);
2826 fio_sem_remove(stat_sem);
cef9175e 2827}
b2ee7647 2828
b2ee7647
JA		 2829/*
2830 * Called from signal handler. Wake up status thread.
2831 */
2832void show_running_run_stats(void)
2833{
a47591e4 2834 helper_do_stat();
b2ee7647 2835}
66347cfa
DE		 2836
2837uint32_t *io_u_block_info(struct thread_data *td, struct io_u *io_u)
2838{
2839 /* Ignore io_u's which span multiple blocks--they will just get
2840 * inaccurate counts. */
2841 int idx = (io_u->offset - io_u->file->file_offset)
2842 / td->o.bs[DDIR_TRIM];
2843 uint32_t *info = &td->ts.block_infos[idx];
2844 assert(idx < td->ts.nr_block_infos);
2845 return info;
2846}
fio - Flexible IO Tester