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io_uring: sync header with the kernel
[fio.git] / stat.c
CommitLineData
3c39a379
JA		 1#include <stdio.h>
2#include <string.h>
3#include <sys/time.h>
5c4e1dbc 4#include <sys/stat.h>
3c39a379
JA		 5#include <math.h>
6
7#include "fio.h"
7c9b1bce 8#include "diskutil.h"
c7c6cb4c 9#include "lib/ieee754.h"
cc372b17 10#include "json.h"
44404c5a 11#include "lib/getrusage.h"
f2a2ce0e 12#include "idletime.h"
0f38bbef 13#include "lib/pow2.h"
a666cab8 14#include "lib/output_buffer.h"
a39fb9ea 15#include "helper_thread.h"
90d2d53f 16#include "smalloc.h"
fd5d733f 17#include "zbd.h"
3c39a379 18
674456bf 19#define LOG_MSEC_SLACK 1
d454a205 20
971caeb1 21struct fio_sem *stat_sem;
cef9175e 22
210dd0fc
JA		 23void clear_rusage_stat(struct thread_data *td)
24{
25 struct thread_stat *ts = &td->ts;
26
27 fio_getrusage(&td->ru_start);
28 ts->usr_time = ts->sys_time = 0;
29 ts->ctx = 0;
30 ts->minf = ts->majf = 0;
31}
32
3c39a379
JA		 33void update_rusage_stat(struct thread_data *td)
34{
756867bd 35 struct thread_stat *ts = &td->ts;
3c39a379 36
44404c5a 37 fio_getrusage(&td->ru_end);
8b6a404c 38 ts->usr_time += mtime_since_tv(&td->ru_start.ru_utime,
c8aaba19 39 &td->ru_end.ru_utime);
8b6a404c 40 ts->sys_time += mtime_since_tv(&td->ru_start.ru_stime,
c8aaba19
JA		 41 &td->ru_end.ru_stime);
42 ts->ctx += td->ru_end.ru_nvcsw + td->ru_end.ru_nivcsw
43 - (td->ru_start.ru_nvcsw + td->ru_start.ru_nivcsw);
44 ts->minf += td->ru_end.ru_minflt - td->ru_start.ru_minflt;
45 ts->majf += td->ru_end.ru_majflt - td->ru_start.ru_majflt;
5ec10eaa 46
c8aaba19 47 memcpy(&td->ru_start, &td->ru_end, sizeof(td->ru_end));
3c39a379
JA		 48}
49
83349190
YH		 50/*
51 * Given a latency, return the index of the corresponding bucket in
52 * the structure tracking percentiles.
53 *
54 * (1) find the group (and error bits) that the value (latency)
55 * belongs to by looking at its MSB. (2) find the bucket number in the
56 * group by looking at the index bits.
57 *
58 */
d6bb626e 59static unsigned int plat_val_to_idx(unsigned long long val)
83349190
YH		 60{
61 unsigned int msb, error_bits, base, offset, idx;
62
63 /* Find MSB starting from bit 0 */
64 if (val == 0)
65 msb = 0;
66 else
d6bb626e 67 msb = (sizeof(val)*8) - __builtin_clzll(val) - 1;
83349190 68
716050f2
JA		 69 /*
70 * MSB <= (FIO_IO_U_PLAT_BITS-1), cannot be rounded off. Use
71 * all bits of the sample as index
72 */
83349190
YH		 73 if (msb <= FIO_IO_U_PLAT_BITS)
74 return val;
75
76 /* Compute the number of error bits to discard*/
77 error_bits = msb - FIO_IO_U_PLAT_BITS;
78
79 /* Compute the number of buckets before the group */
80 base = (error_bits + 1) << FIO_IO_U_PLAT_BITS;
81
716050f2
JA		 82 /*
83 * Discard the error bits and apply the mask to find the
3c3ed070 84 * index for the buckets in the group
716050f2 85 */
83349190
YH		 86 offset = (FIO_IO_U_PLAT_VAL - 1) & (val >> error_bits);
87
88 /* Make sure the index does not exceed (array size - 1) */
3c3ed070 89 idx = (base + offset) < (FIO_IO_U_PLAT_NR - 1) ?
83349190
YH		 90 (base + offset) : (FIO_IO_U_PLAT_NR - 1);
91
92 return idx;
93}
94
95/*
96 * Convert the given index of the bucket array to the value
97 * represented by the bucket
98 */
129e4193 99static unsigned long long plat_idx_to_val(unsigned int idx)
83349190 100{
c8b44cfa
RL		 101 unsigned int error_bits;
102 unsigned long long k, base;
83349190
YH		 103
104 assert(idx < FIO_IO_U_PLAT_NR);
105
106 /* MSB <= (FIO_IO_U_PLAT_BITS-1), cannot be rounded off. Use
107 * all bits of the sample as index */
3c3ed070 108 if (idx < (FIO_IO_U_PLAT_VAL << 1))
83349190
YH		 109 return idx;
110
111 /* Find the group and compute the minimum value of that group */
3c3ed070 112 error_bits = (idx >> FIO_IO_U_PLAT_BITS) - 1;
c8b44cfa 113 base = ((unsigned long long) 1) << (error_bits + FIO_IO_U_PLAT_BITS);
83349190
YH		 114
115 /* Find its bucket number of the group */
116 k = idx % FIO_IO_U_PLAT_VAL;
117
118 /* Return the mean of the range of the bucket */
119 return base + ((k + 0.5) * (1 << error_bits));
120}
121
122static int double_cmp(const void *a, const void *b)
123{
802ad4a8
JA		 124 const fio_fp64_t fa = *(const fio_fp64_t *) a;
125 const fio_fp64_t fb = *(const fio_fp64_t *) b;
83349190
YH		 126 int cmp = 0;
127
802ad4a8 128 if (fa.u.f > fb.u.f)
83349190 129 cmp = 1;
802ad4a8 130 else if (fa.u.f < fb.u.f)
83349190
YH		 131 cmp = -1;
132
133 return cmp;
134}
135
6cc0e5aa 136unsigned int calc_clat_percentiles(uint64_t *io_u_plat, unsigned long long nr,
d6bb626e
VF		 137 fio_fp64_t *plist, unsigned long long **output,
138 unsigned long long *maxv, unsigned long long *minv)
83349190 139{
447b94e1 140 unsigned long long sum = 0;
1db92cb6 141 unsigned int len, i, j = 0;
d6bb626e 142 unsigned long long *ovals = NULL;
8985b491 143 bool is_last;
1db92cb6 144
d6bb626e 145 *minv = -1ULL;
1db92cb6 146 *maxv = 0;
83349190 147
802ad4a8
JA		 148 len = 0;
149 while (len < FIO_IO_U_LIST_MAX_LEN && plist[len].u.f != 0.0)
150 len++;
716050f2 151
351de8de 152 if (!len)
1db92cb6 153 return 0;
351de8de 154
716050f2 155 /*
802ad4a8
JA		 156 * Sort the percentile list. Note that it may already be sorted if
157 * we are using the default values, but since it's a short list this
158 * isn't a worry. Also note that this does not work for NaN values.
716050f2 159 */
802ad4a8 160 if (len > 1)
3c3ed070 161 qsort((void *)plist, len, sizeof(plist[0]), double_cmp);
83349190 162
5d89c625
VF		 163 ovals = malloc(len * sizeof(*ovals));
164 if (!ovals)
165 return 0;
166
4f6f8298
JA		 167 /*
168 * Calculate bucket values, note down max and min values
169 */
8985b491 170 is_last = false;
07511a63 171 for (i = 0; i < FIO_IO_U_PLAT_NR && !is_last; i++) {
83349190 172 sum += io_u_plat[i];
802ad4a8
JA		 173 while (sum >= (plist[j].u.f / 100.0 * nr)) {
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
1db92cb6
JA		 190 *output = ovals;
191 return len;
192}
193
194/*
195 * Find and display the p-th percentile of clat
196 */
6cc0e5aa 197static void show_clat_percentiles(uint64_t *io_u_plat, unsigned long long nr,
a666cab8 198 fio_fp64_t *plist, unsigned int precision,
b2b3eefe 199 const char *pre, struct buf_output *out)
1db92cb6 200{
d6bb626e
VF		 201 unsigned int divisor, len, i, j = 0;
202 unsigned long long minv, maxv;
203 unsigned long long *ovals;
8985b491 204 int per_line, scale_down, time_width;
8985b491 205 bool is_last;
eef02441 206 char fmt[32];
1db92cb6
JA		 207
208 len = calc_clat_percentiles(io_u_plat, nr, plist, &ovals, &maxv, &minv);
b2b3eefe 209 if (!len || !ovals)
1db92cb6
JA		 210 goto out;
211
4f6f8298 212 /*
d6bb626e
VF		 213 * We default to nsecs, but if the value range is such that we
214 * should scale down to usecs or msecs, do that.
4f6f8298 215 */
d6bb626e
VF		 216 if (minv > 2000000 && maxv > 99999999ULL) {
217 scale_down = 2;
218 divisor = 1000000;
b599759b 219 log_buf(out, " %s percentiles (msec):\n |", pre);
d6bb626e
VF		 220 } else if (minv > 2000 && maxv > 99999) {
221 scale_down = 1;
222 divisor = 1000;
b599759b 223 log_buf(out, " %s percentiles (usec):\n |", pre);
4f6f8298
JA		 224 } else {
225 scale_down = 0;
d6bb626e 226 divisor = 1;
b599759b 227 log_buf(out, " %s percentiles (nsec):\n |", pre);
4f6f8298 228 }
83349190 229
619adf9c 230
d6bb626e 231 time_width = max(5, (int) (log10(maxv / divisor) + 1));
74558486
JA		 232 snprintf(fmt, sizeof(fmt), " %%%u.%ufth=[%%%dllu]%%c", precision + 3,
233 precision, time_width);
234 /* fmt will be something like " %5.2fth=[%4llu]%c" */
d6bb626e 235 per_line = (80 - 7) / (precision + 10 + time_width);
81ab0b3a 236
d6bb626e 237 for (j = 0; j < len; j++) {
4f6f8298 238 /* for formatting */
eef02441 239 if (j != 0 && (j % per_line) == 0)
a666cab8 240 log_buf(out, " |");
83349190 241
4f6f8298 242 /* end of the list */
8985b491 243 is_last = (j == len - 1) != 0;
83349190 244
d6bb626e 245 for (i = 0; i < scale_down; i++)
4f6f8298
JA		 246 ovals[j] = (ovals[j] + 999) / 1000;
247
d6bb626e 248 log_buf(out, fmt, plist[j].u.f, ovals[j], is_last ? '\n' : ',');
4f6f8298
JA		 249
250 if (is_last)
251 break;
252
eef02441 253 if ((j % per_line) == per_line - 1) /* for formatting */
a666cab8 254 log_buf(out, "\n");
83349190 255 }
4f6f8298 256
1db92cb6 257out:
4f6f8298
JA		 258 if (ovals)
259 free(ovals);
83349190
YH		 260}
261
74558486
JA		 262bool calc_lat(struct io_stat *is, unsigned long long *min,
263 unsigned long long *max, double *mean, double *dev)
3c39a379 264{
ee0ccb79 265 double n = (double) is->samples;
3c39a379 266
ee0ccb79 267 if (n == 0)
8aa89d70 268 return false;
3c39a379
JA		 269
270 *min = is->min_val;
271 *max = is->max_val;
802ad4a8 272 *mean = is->mean.u.f;
e6d276f2 273
68704084 274 if (n > 1.0)
802ad4a8 275 *dev = sqrt(is->S.u.f / (n - 1.0));
ef9c5c40 276 else
4b43f54e 277 *dev = 0;
ef9c5c40 278
8aa89d70 279 return true;
3c39a379
JA		 280}
281
a666cab8 282void show_group_stats(struct group_run_stats *rs, struct buf_output *out)
3c39a379 283{
d694a6a7
RE		 284 char *io, *agg, *min, *max;
285 char *ioalt, *aggalt, *minalt, *maxalt;
42da5c8b 286 const char *str[] = { " READ", " WRITE" , " TRIM"};
dbe1125e
JA		 287 int i;
288
a666cab8 289 log_buf(out, "\nRun status group %d (all jobs):\n", rs->groupid);
3c39a379 290
6eaf09d6 291 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
90fef2d1
JA		 292 const int i2p = is_power_of_2(rs->kb_base);
293
dbe1125e
JA		 294 if (!rs->max_run[i])
295 continue;
296
e883cb35
JF		 297 io = num2str(rs->iobytes[i], rs->sig_figs, 1, i2p, N2S_BYTE);
298 ioalt = num2str(rs->iobytes[i], rs->sig_figs, 1, !i2p, N2S_BYTE);
299 agg = num2str(rs->agg[i], rs->sig_figs, 1, i2p, rs->unit_base);
300 aggalt = num2str(rs->agg[i], rs->sig_figs, 1, !i2p, rs->unit_base);
301 min = num2str(rs->min_bw[i], rs->sig_figs, 1, i2p, rs->unit_base);
302 minalt = num2str(rs->min_bw[i], rs->sig_figs, 1, !i2p, rs->unit_base);
303 max = num2str(rs->max_bw[i], rs->sig_figs, 1, i2p, rs->unit_base);
304 maxalt = num2str(rs->max_bw[i], rs->sig_figs, 1, !i2p, rs->unit_base);
d694a6a7 305 log_buf(out, "%s: bw=%s (%s), %s-%s (%s-%s), io=%s (%s), run=%llu-%llumsec\n",
42da5c8b 306 rs->unified_rw_rep ? " MIXED" : str[i],
d694a6a7 307 agg, aggalt, min, max, minalt, maxalt, io, ioalt,
4e0a8fa2
JA		 308 (unsigned long long) rs->min_run[i],
309 (unsigned long long) rs->max_run[i]);
dbe1125e 310
d694a6a7
RE		 311 free(io);
312 free(agg);
313 free(min);
314 free(max);
315 free(ioalt);
316 free(aggalt);
317 free(minalt);
318 free(maxalt);
dbe1125e 319 }
3c39a379
JA		 320}
321
6cc0e5aa 322void stat_calc_dist(uint64_t *map, unsigned long total, double *io_u_dist)
2270890c
JA		 323{
324 int i;
325
326 /*
327 * Do depth distribution calculations
328 */
329 for (i = 0; i < FIO_IO_U_MAP_NR; i++) {
838bc709
JA		 330 if (total) {
331 io_u_dist[i] = (double) map[i] / (double) total;
332 io_u_dist[i] *= 100.0;
333 if (io_u_dist[i] < 0.1 && map[i])
334 io_u_dist[i] = 0.1;
335 } else
336 io_u_dist[i] = 0.0;
2270890c
JA		 337 }
338}
339
04a0feae 340static void stat_calc_lat(struct thread_stat *ts, double *dst,
6cc0e5aa 341 uint64_t *src, int nr)
2270890c 342{
d79db122 343 unsigned long total = ddir_rw_sum(ts->total_io_u);
2270890c
JA		 344 int i;
345
346 /*
347 * Do latency distribution calculations
348 */
04a0feae 349 for (i = 0; i < nr; i++) {
838bc709
JA		 350 if (total) {
351 dst[i] = (double) src[i] / (double) total;
352 dst[i] *= 100.0;
353 if (dst[i] < 0.01 && src[i])
354 dst[i] = 0.01;
355 } else
356 dst[i] = 0.0;
2270890c
JA		 357 }
358}
359
247823cc
VF		 360/*
361 * To keep the terse format unaltered, add all of the ns latency
362 * buckets to the first us latency bucket
363 */
52e4c651 364static void stat_calc_lat_nu(struct thread_stat *ts, double *io_u_lat_u)
247823cc
VF		 365{
366 unsigned long ntotal = 0, total = ddir_rw_sum(ts->total_io_u);
367 int i;
368
369 stat_calc_lat(ts, io_u_lat_u, ts->io_u_lat_u, FIO_IO_U_LAT_U_NR);
370
371 for (i = 0; i < FIO_IO_U_LAT_N_NR; i++)
372 ntotal += ts->io_u_lat_n[i];
373
374 io_u_lat_u[0] += 100.0 * (double) ntotal / (double) total;
375}
376
d6bb626e
VF		 377void stat_calc_lat_n(struct thread_stat *ts, double *io_u_lat)
378{
379 stat_calc_lat(ts, io_u_lat, ts->io_u_lat_n, FIO_IO_U_LAT_N_NR);
380}
381
e5bd1347 382void stat_calc_lat_u(struct thread_stat *ts, double *io_u_lat)
04a0feae
JA		 383{
384 stat_calc_lat(ts, io_u_lat, ts->io_u_lat_u, FIO_IO_U_LAT_U_NR);
385}
386
e5bd1347 387void stat_calc_lat_m(struct thread_stat *ts, double *io_u_lat)
04a0feae
JA		 388{
389 stat_calc_lat(ts, io_u_lat, ts->io_u_lat_m, FIO_IO_U_LAT_M_NR);
390}
391
74558486
JA		 392static void display_lat(const char *name, unsigned long long min,
393 unsigned long long max, double mean, double dev,
394 struct buf_output *out)
ea2accc5 395{
d6bb626e 396 const char *base = "(nsec)";
b29ad562 397 char *minp, *maxp;
ea2accc5 398
d6bb626e 399 if (nsec_to_msec(&min, &max, &mean, &dev))
b29ad562 400 base = "(msec)";
d6bb626e
VF		 401 else if (nsec_to_usec(&min, &max, &mean, &dev))
402 base = "(usec)";
b29ad562 403
d694a6a7
RE		 404 minp = num2str(min, 6, 1, 0, N2S_NONE);
405 maxp = num2str(max, 6, 1, 0, N2S_NONE);
b29ad562 406
a666cab8 407 log_buf(out, " %s %s: min=%s, max=%s, avg=%5.02f,"
b29ad562
JA		 408 " stdev=%5.02f\n", name, base, minp, maxp, mean, dev);
409
410 free(minp);
411 free(maxp);
ea2accc5
JA		 412}
413
756867bd 414static void show_ddir_status(struct group_run_stats *rs, struct thread_stat *ts,
a666cab8 415 int ddir, struct buf_output *out)
3c39a379 416{
d6bb626e
VF		 417 unsigned long runt;
418 unsigned long long min, max, bw, iops;
3c39a379 419 double mean, dev;
96563db9 420 char *io_p, *bw_p, *bw_p_alt, *iops_p, *post_st = NULL;
90fef2d1 421 int i2p;
3c39a379 422
b2b3eefe
JA		 423 if (ddir_sync(ddir)) {
424 if (calc_lat(&ts->sync_stat, &min, &max, &mean, &dev)) {
425 log_buf(out, " %s:\n", "fsync/fdatasync/sync_file_range");
425d3e0e 426 display_lat(io_ddir_name(ddir), min, max, mean, dev, out);
b2b3eefe
JA		 427 show_clat_percentiles(ts->io_u_sync_plat,
428 ts->sync_stat.samples,
429 ts->percentile_list,
430 ts->percentile_precision,
425d3e0e 431 io_ddir_name(ddir), out);
b2b3eefe
JA		 432 }
433 return;
434 }
435
ff58fced
JA		 436 assert(ddir_rw(ddir));
437
756867bd 438 if (!ts->runtime[ddir])
3c39a379
JA		 439 return;
440
90fef2d1 441 i2p = is_power_of_2(rs->kb_base);
8879fd15
JA		 442 runt = ts->runtime[ddir];
443
444 bw = (1000 * ts->io_bytes[ddir]) / runt;
e883cb35
JF		 445 io_p = num2str(ts->io_bytes[ddir], ts->sig_figs, 1, i2p, N2S_BYTE);
446 bw_p = num2str(bw, ts->sig_figs, 1, i2p, ts->unit_base);
447 bw_p_alt = num2str(bw, ts->sig_figs, 1, !i2p, ts->unit_base);
8879fd15 448
0aacc50c 449 iops = (1000 * (uint64_t)ts->total_io_u[ddir]) / runt;
e883cb35 450 iops_p = num2str(iops, ts->sig_figs, 1, 0, N2S_NONE);
fd5d733f 451 if (ddir == DDIR_WRITE)
96563db9
JA		 452 post_st = zbd_write_status(ts);
453 else if (ddir == DDIR_READ && ts->cachehit && ts->cachemiss) {
454 uint64_t total;
455 double hit;
456
457 total = ts->cachehit + ts->cachemiss;
458 hit = (double) ts->cachehit / (double) total;
459 hit *= 100.0;
460 if (asprintf(&post_st, "; Cachehit=%0.2f%%", hit) < 0)
461 post_st = NULL;
462 }
dbe1125e 463
fd5d733f 464 log_buf(out, " %s: IOPS=%s, BW=%s (%s)(%s/%llumsec)%s\n",
425d3e0e 465 rs->unified_rw_rep ? "mixed" : io_ddir_name(ddir),
d694a6a7 466 iops_p, bw_p, bw_p_alt, io_p,
fd5d733f 467 (unsigned long long) ts->runtime[ddir],
96563db9 468 post_st ? : "");
dbe1125e 469
96563db9 470 free(post_st);
dbe1125e
JA		 471 free(io_p);
472 free(bw_p);
d694a6a7 473 free(bw_p_alt);
b3605062 474 free(iops_p);
3c39a379 475
b29ad562 476 if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev))
a666cab8 477 display_lat("slat", min, max, mean, dev, out);
b29ad562 478 if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev))
a666cab8 479 display_lat("clat", min, max, mean, dev, out);
b29ad562 480 if (calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev))
a666cab8 481 display_lat(" lat", min, max, mean, dev, out);
02af0988 482
b599759b 483 if (ts->clat_percentiles || ts->lat_percentiles) {
b2b3eefe 484 const char *name = ts->clat_percentiles ? "clat" : " lat";
af1600c1
SW		 485 uint64_t samples;
486
487 if (ts->clat_percentiles)
488 samples = ts->clat_stat[ddir].samples;
489 else
490 samples = ts->lat_stat[ddir].samples;
491
83349190 492 show_clat_percentiles(ts->io_u_plat[ddir],
af1600c1 493 samples,
435d195a 494 ts->percentile_list,
b2b3eefe 495 ts->percentile_precision, name, out);
83349190 496 }
079ad09b 497 if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) {
142c7f2d 498 double p_of_agg = 100.0, fkb_base = (double)rs->kb_base;
d694a6a7
RE		 499 const char *bw_str;
500
501 if ((rs->unit_base == 1) && i2p)
502 bw_str = "Kibit";
503 else if (rs->unit_base == 1)
504 bw_str = "kbit";
505 else if (i2p)
506 bw_str = "KiB";
507 else
508 bw_str = "kB";
d686990a 509
d1707474
SW		 510 if (rs->agg[ddir]) {
511 p_of_agg = mean * 100 / (double) (rs->agg[ddir] / 1024);
512 if (p_of_agg > 100.0)
513 p_of_agg = 100.0;
514 }
515
d686990a
SN		 516 if (rs->unit_base == 1) {
517 min *= 8.0;
518 max *= 8.0;
519 mean *= 8.0;
520 dev *= 8.0;
521 }
3c39a379 522
142c7f2d
SN		 523 if (mean > fkb_base * fkb_base) {
524 min /= fkb_base;
525 max /= fkb_base;
526 mean /= fkb_base;
527 dev /= fkb_base;
d694a6a7 528 bw_str = (rs->unit_base == 1 ? "Mibit" : "MiB");
b7017e32
JA		 529 }
530
54c05828 531 log_buf(out, " bw (%5s/s): min=%5llu, max=%5llu, per=%3.2f%%, "
29eb371b 532 "avg=%5.02f, stdev=%5.02f, samples=%" PRIu64 "\n",
54c05828
AH		 533 bw_str, min, max, p_of_agg, mean, dev,
534 (&ts->bw_stat[ddir])->samples);
3c39a379 535 }
188b6016 536 if (calc_lat(&ts->iops_stat[ddir], &min, &max, &mean, &dev)) {
21ba6606 537 log_buf(out, " iops : min=%5llu, max=%5llu, "
29eb371b 538 "avg=%5.02f, stdev=%5.02f, samples=%" PRIu64 "\n",
54c05828 539 min, max, mean, dev, (&ts->iops_stat[ddir])->samples);
188b6016 540 }
3c39a379
JA		 541}
542
8985b491
JA		 543static bool show_lat(double *io_u_lat, int nr, const char **ranges,
544 const char *msg, struct buf_output *out)
04a0feae 545{
8985b491
JA		 546 bool new_line = true, shown = false;
547 int i, line = 0;
04a0feae
JA		 548
549 for (i = 0; i < nr; i++) {
550 if (io_u_lat[i] <= 0.0)
551 continue;
8985b491 552 shown = true;
04a0feae 553 if (new_line) {
4539ed73 554 if (line)
a666cab8 555 log_buf(out, "\n");
4a19fcaa 556 log_buf(out, " lat (%s) : ", msg);
8985b491 557 new_line = false;
04a0feae
JA		 558 line = 0;
559 }
560 if (line)
a666cab8
JA		 561 log_buf(out, ", ");
562 log_buf(out, "%s%3.2f%%", ranges[i], io_u_lat[i]);
04a0feae
JA		 563 line++;
564 if (line == 5)
8985b491 565 new_line = true;
04a0feae 566 }
7e1773ba
JA		 567
568 if (shown)
a666cab8 569 log_buf(out, "\n");
7e1773ba 570
8985b491 571 return true;
04a0feae
JA		 572}
573
d6bb626e
VF		 574static void show_lat_n(double *io_u_lat_n, struct buf_output *out)
575{
576 const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=",
577 "250=", "500=", "750=", "1000=", };
578
579 show_lat(io_u_lat_n, FIO_IO_U_LAT_N_NR, ranges, "nsec", out);
580}
581
a666cab8 582static void show_lat_u(double *io_u_lat_u, struct buf_output *out)
04a0feae
JA		 583{
584 const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=",
585 "250=", "500=", "750=", "1000=", };
586
a666cab8 587 show_lat(io_u_lat_u, FIO_IO_U_LAT_U_NR, ranges, "usec", out);
04a0feae
JA		 588}
589
a666cab8 590static void show_lat_m(double *io_u_lat_m, struct buf_output *out)
04a0feae
JA		 591{
592 const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=",
593 "250=", "500=", "750=", "1000=", "2000=",
594 ">=2000=", };
595
a666cab8 596 show_lat(io_u_lat_m, FIO_IO_U_LAT_M_NR, ranges, "msec", out);
04a0feae
JA		 597}
598
a666cab8 599static void show_latencies(struct thread_stat *ts, struct buf_output *out)
04a0feae 600{
d6bb626e 601 double io_u_lat_n[FIO_IO_U_LAT_N_NR];
c551f65a
JA		 602 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
603 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
604
d6bb626e 605 stat_calc_lat_n(ts, io_u_lat_n);
5a18988e
JA		 606 stat_calc_lat_u(ts, io_u_lat_u);
607 stat_calc_lat_m(ts, io_u_lat_m);
608
d6bb626e 609 show_lat_n(io_u_lat_n, out);
a666cab8
JA		 610 show_lat_u(io_u_lat_u, out);
611 show_lat_m(io_u_lat_m, out);
04a0feae
JA		 612}
613
66347cfa
DE		 614static int block_state_category(int block_state)
615{
616 switch (block_state) {
617 case BLOCK_STATE_UNINIT:
618 return 0;
619 case BLOCK_STATE_TRIMMED:
620 case BLOCK_STATE_WRITTEN:
621 return 1;
622 case BLOCK_STATE_WRITE_FAILURE:
623 case BLOCK_STATE_TRIM_FAILURE:
624 return 2;
625 default:
081c2dc3 626 /* Silence compile warning on some BSDs and have a return */
66347cfa 627 assert(0);
07ff5841 628 return -1;
66347cfa
DE		 629 }
630}
631
632static int compare_block_infos(const void *bs1, const void *bs2)
633{
5fff9543
JF		 634 uint64_t block1 = *(uint64_t *)bs1;
635 uint64_t block2 = *(uint64_t *)bs2;
66347cfa
DE		 636 int state1 = BLOCK_INFO_STATE(block1);
637 int state2 = BLOCK_INFO_STATE(block2);
638 int bscat1 = block_state_category(state1);
639 int bscat2 = block_state_category(state2);
640 int cycles1 = BLOCK_INFO_TRIMS(block1);
641 int cycles2 = BLOCK_INFO_TRIMS(block2);
642
643 if (bscat1 < bscat2)
644 return -1;
645 if (bscat1 > bscat2)
646 return 1;
647
648 if (cycles1 < cycles2)
649 return -1;
650 if (cycles1 > cycles2)
651 return 1;
652
653 if (state1 < state2)
654 return -1;
655 if (state1 > state2)
656 return 1;
657
658 assert(block1 == block2);
659 return 0;
660}
661
662static int calc_block_percentiles(int nr_block_infos, uint32_t *block_infos,
663 fio_fp64_t *plist, unsigned int **percentiles,
664 unsigned int *types)
665{
666 int len = 0;
667 int i, nr_uninit;
668
669 qsort(block_infos, nr_block_infos, sizeof(uint32_t), compare_block_infos);
670
671 while (len < FIO_IO_U_LIST_MAX_LEN && plist[len].u.f != 0.0)
672 len++;
673
674 if (!len)
675 return 0;
676
677 /*
678 * Sort the percentile list. Note that it may already be sorted if
679 * we are using the default values, but since it's a short list this
680 * isn't a worry. Also note that this does not work for NaN values.
681 */
682 if (len > 1)
683 qsort((void *)plist, len, sizeof(plist[0]), double_cmp);
684
66347cfa
DE		 685 /* Start only after the uninit entries end */
686 for (nr_uninit = 0;
687 nr_uninit < nr_block_infos
688 && BLOCK_INFO_STATE(block_infos[nr_uninit]) == BLOCK_STATE_UNINIT;
689 nr_uninit ++)
690 ;
691
692 if (nr_uninit == nr_block_infos)
693 return 0;
694
695 *percentiles = calloc(len, sizeof(**percentiles));
696
697 for (i = 0; i < len; i++) {
698 int idx = (plist[i].u.f * (nr_block_infos - nr_uninit) / 100)
699 + nr_uninit;
700 (*percentiles)[i] = BLOCK_INFO_TRIMS(block_infos[idx]);
701 }
702
703 memset(types, 0, sizeof(*types) * BLOCK_STATE_COUNT);
704 for (i = 0; i < nr_block_infos; i++)
705 types[BLOCK_INFO_STATE(block_infos[i])]++;
706
707 return len;
708}
709
710static const char *block_state_names[] = {
711 [BLOCK_STATE_UNINIT] = "unwritten",
712 [BLOCK_STATE_TRIMMED] = "trimmed",
713 [BLOCK_STATE_WRITTEN] = "written",
714 [BLOCK_STATE_TRIM_FAILURE] = "trim failure",
715 [BLOCK_STATE_WRITE_FAILURE] = "write failure",
716};
717
718static void show_block_infos(int nr_block_infos, uint32_t *block_infos,
a666cab8 719 fio_fp64_t *plist, struct buf_output *out)
66347cfa
DE		 720{
721 int len, pos, i;
722 unsigned int *percentiles = NULL;
723 unsigned int block_state_counts[BLOCK_STATE_COUNT];
724
725 len = calc_block_percentiles(nr_block_infos, block_infos, plist,
726 &percentiles, block_state_counts);
727
a666cab8 728 log_buf(out, " block lifetime percentiles :\n |");
66347cfa
DE		 729 pos = 0;
730 for (i = 0; i < len; i++) {
731 uint32_t block_info = percentiles[i];
732#define LINE_LENGTH 75
733 char str[LINE_LENGTH];
734 int strln = snprintf(str, LINE_LENGTH, " %3.2fth=%u%c",
735 plist[i].u.f, block_info,
736 i == len - 1 ? '\n' : ',');
737 assert(strln < LINE_LENGTH);
738 if (pos + strln > LINE_LENGTH) {
739 pos = 0;
a666cab8 740 log_buf(out, "\n |");
66347cfa 741 }
a666cab8 742 log_buf(out, "%s", str);
66347cfa
DE		 743 pos += strln;
744#undef LINE_LENGTH
745 }
746 if (percentiles)
747 free(percentiles);
748
a666cab8 749 log_buf(out, " states :");
66347cfa 750 for (i = 0; i < BLOCK_STATE_COUNT; i++)
a666cab8 751 log_buf(out, " %s=%u%c",
66347cfa
DE		 752 block_state_names[i], block_state_counts[i],
753 i == BLOCK_STATE_COUNT - 1 ? '\n' : ',');
754}
755
d685adfb
VF		 756static void show_ss_normal(struct thread_stat *ts, struct buf_output *out)
757{
d694a6a7 758 char *p1, *p1alt, *p2;
d685adfb
VF		 759 unsigned long long bw_mean, iops_mean;
760 const int i2p = is_power_of_2(ts->kb_base);
761
0c13c969 762 if (!ts->ss_dur)
d685adfb
VF		 763 return;
764
bb49c8bd
VF		 765 bw_mean = steadystate_bw_mean(ts);
766 iops_mean = steadystate_iops_mean(ts);
d685adfb 767
e883cb35
JF		 768 p1 = num2str(bw_mean / ts->kb_base, ts->sig_figs, ts->kb_base, i2p, ts->unit_base);
769 p1alt = num2str(bw_mean / ts->kb_base, ts->sig_figs, ts->kb_base, !i2p, ts->unit_base);
770 p2 = num2str(iops_mean, ts->sig_figs, 1, 0, N2S_NONE);
d685adfb 771
d694a6a7 772 log_buf(out, " steadystate : attained=%s, bw=%s (%s), iops=%s, %s%s=%.3f%s\n",
c8caba48 773 ts->ss_state & FIO_SS_ATTAINED ? "yes" : "no",
d694a6a7 774 p1, p1alt, p2,
c8caba48
JA		 775 ts->ss_state & FIO_SS_IOPS ? "iops" : "bw",
776 ts->ss_state & FIO_SS_SLOPE ? " slope": " mean dev",
bb49c8bd 777 ts->ss_criterion.u.f,
c8caba48 778 ts->ss_state & FIO_SS_PCT ? "%" : "");
d685adfb
VF		 779
780 free(p1);
d694a6a7 781 free(p1alt);
d685adfb
VF		 782 free(p2);
783}
784
10aa136b 785static void show_thread_status_normal(struct thread_stat *ts,
a666cab8
JA		 786 struct group_run_stats *rs,
787 struct buf_output *out)
3c39a379
JA		 788{
789 double usr_cpu, sys_cpu;
69008999 790 unsigned long runtime;
71619dc2 791 double io_u_dist[FIO_IO_U_MAP_NR];
57a64324 792 time_t time_p;
35326842 793 char time_buf[32];
3c39a379 794
9966af7b 795 if (!ddir_rw_sum(ts->io_bytes) && !ddir_rw_sum(ts->total_io_u))
3c39a379 796 return;
33477b4b
JS		 797
798 memset(time_buf, 0, sizeof(time_buf));
3c39a379 799
57a64324 800 time(&time_p);
45054cbe 801 os_ctime_r((const time_t *) &time_p, time_buf, sizeof(time_buf));
57a64324 802
5ec10eaa 803 if (!ts->error) {
a666cab8 804 log_buf(out, "%s: (groupid=%d, jobs=%d): err=%2d: pid=%d: %s",
5ec10eaa 805 ts->name, ts->groupid, ts->members,
57a64324 806 ts->error, (int) ts->pid, time_buf);
5ec10eaa 807 } else {
a666cab8 808 log_buf(out, "%s: (groupid=%d, jobs=%d): err=%2d (%s): pid=%d: %s",
5ec10eaa 809 ts->name, ts->groupid, ts->members,
57a64324
JA		 810 ts->error, ts->verror, (int) ts->pid,
811 time_buf);
5ec10eaa 812 }
3c39a379 813
259e47de 814 if (strlen(ts->description))
a666cab8 815 log_buf(out, " Description : [%s]\n", ts->description);
7bdce1bd 816
756867bd 817 if (ts->io_bytes[DDIR_READ])
a666cab8 818 show_ddir_status(rs, ts, DDIR_READ, out);
756867bd 819 if (ts->io_bytes[DDIR_WRITE])
a666cab8 820 show_ddir_status(rs, ts, DDIR_WRITE, out);
6eaf09d6 821 if (ts->io_bytes[DDIR_TRIM])
a666cab8 822 show_ddir_status(rs, ts, DDIR_TRIM, out);
3c39a379 823
a666cab8 824 show_latencies(ts, out);
7e1773ba 825
b2b3eefe
JA		 826 if (ts->sync_stat.samples)
827 show_ddir_status(rs, ts, DDIR_SYNC, out);
828
756867bd 829 runtime = ts->total_run_time;
69008999 830 if (runtime) {
1e97cce9 831 double runt = (double) runtime;
3c39a379 832
756867bd
JA		 833 usr_cpu = (double) ts->usr_time * 100 / runt;
834 sys_cpu = (double) ts->sys_time * 100 / runt;
3c39a379
JA		 835 } else {
836 usr_cpu = 0;
837 sys_cpu = 0;
838 }
839
a666cab8 840 log_buf(out, " cpu : usr=%3.2f%%, sys=%3.2f%%, ctx=%llu,"
4e0a8fa2
JA		 841 " majf=%llu, minf=%llu\n", usr_cpu, sys_cpu,
842 (unsigned long long) ts->ctx,
843 (unsigned long long) ts->majf,
844 (unsigned long long) ts->minf);
71619dc2 845
d79db122 846 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
a666cab8 847 log_buf(out, " IO depths : 1=%3.1f%%, 2=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%,"
5ec10eaa
JA		 848 " 16=%3.1f%%, 32=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0],
849 io_u_dist[1], io_u_dist[2],
850 io_u_dist[3], io_u_dist[4],
851 io_u_dist[5], io_u_dist[6]);
838bc709
JA		 852
853 stat_calc_dist(ts->io_u_submit, ts->total_submit, io_u_dist);
a666cab8 854 log_buf(out, " submit : 0=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%, 16=%3.1f%%,"
838bc709
JA		 855 " 32=%3.1f%%, 64=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0],
856 io_u_dist[1], io_u_dist[2],
857 io_u_dist[3], io_u_dist[4],
858 io_u_dist[5], io_u_dist[6]);
859 stat_calc_dist(ts->io_u_complete, ts->total_complete, io_u_dist);
a666cab8 860 log_buf(out, " complete : 0=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%, 16=%3.1f%%,"
838bc709
JA		 861 " 32=%3.1f%%, 64=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0],
862 io_u_dist[1], io_u_dist[2],
863 io_u_dist[3], io_u_dist[4],
864 io_u_dist[5], io_u_dist[6]);
7f3ecee2
JA		 865 log_buf(out, " issued rwts: total=%llu,%llu,%llu,%llu"
866 " short=%llu,%llu,%llu,0"
867 " dropped=%llu,%llu,%llu,0\n",
4e0a8fa2
JA		 868 (unsigned long long) ts->total_io_u[0],
869 (unsigned long long) ts->total_io_u[1],
870 (unsigned long long) ts->total_io_u[2],
7f3ecee2 871 (unsigned long long) ts->total_io_u[3],
4e0a8fa2
JA		 872 (unsigned long long) ts->short_io_u[0],
873 (unsigned long long) ts->short_io_u[1],
3bcb9d94
JA		 874 (unsigned long long) ts->short_io_u[2],
875 (unsigned long long) ts->drop_io_u[0],
876 (unsigned long long) ts->drop_io_u[1],
877 (unsigned long long) ts->drop_io_u[2]);
f2bba182 878 if (ts->continue_on_error) {
a666cab8 879 log_buf(out, " errors : total=%llu, first_error=%d/<%s>\n",
4e0a8fa2 880 (unsigned long long)ts->total_err_count,
1ec99eea
JA		 881 ts->first_error,
882 strerror(ts->first_error));
f2bba182 883 }
3e260a46 884 if (ts->latency_depth) {
a666cab8 885 log_buf(out, " latency : target=%llu, window=%llu, percentile=%.2f%%, depth=%u\n",
3e260a46
JA		 886 (unsigned long long)ts->latency_target,
887 (unsigned long long)ts->latency_window,
888 ts->latency_percentile.u.f,
889 ts->latency_depth);
890 }
66347cfa
DE		 891
892 if (ts->nr_block_infos)
893 show_block_infos(ts->nr_block_infos, ts->block_infos,
a666cab8 894 ts->percentile_list, out);
d685adfb 895
bb49c8bd 896 if (ts->ss_dur)
d685adfb 897 show_ss_normal(ts, out);
3c39a379
JA		 898}
899
756867bd 900static void show_ddir_status_terse(struct thread_stat *ts,
a666cab8 901 struct group_run_stats *rs, int ddir,
a2c95580 902 int ver, struct buf_output *out)
c6ae0a5b 903{
d6bb626e
VF		 904 unsigned long long min, max, minv, maxv, bw, iops;
905 unsigned long long *ovals = NULL;
c6ae0a5b 906 double mean, dev;
d6bb626e 907 unsigned int len;
a2c95580 908 int i, bw_stat;
c6ae0a5b 909
ff58fced
JA		 910 assert(ddir_rw(ddir));
911
312b4af2
JA		 912 iops = bw = 0;
913 if (ts->runtime[ddir]) {
914 uint64_t runt = ts->runtime[ddir];
915
420b104a 916 bw = ((1000 * ts->io_bytes[ddir]) / runt) / 1024; /* KiB/s */
312b4af2
JA		 917 iops = (1000 * (uint64_t) ts->total_io_u[ddir]) / runt;
918 }
c6ae0a5b 919
a666cab8 920 log_buf(out, ";%llu;%llu;%llu;%llu",
4e0a8fa2
JA		 921 (unsigned long long) ts->io_bytes[ddir] >> 10, bw, iops,
922 (unsigned long long) ts->runtime[ddir]);
c6ae0a5b 923
079ad09b 924 if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev))
247823cc 925 log_buf(out, ";%llu;%llu;%f;%f", min/1000, max/1000, mean/1000, dev/1000);
c6ae0a5b 926 else
d6bb626e 927 log_buf(out, ";%llu;%llu;%f;%f", 0ULL, 0ULL, 0.0, 0.0);
c6ae0a5b 928
079ad09b 929 if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev))
247823cc 930 log_buf(out, ";%llu;%llu;%f;%f", min/1000, max/1000, mean/1000, dev/1000);
c6ae0a5b 931 else
d6bb626e 932 log_buf(out, ";%llu;%llu;%f;%f", 0ULL, 0ULL, 0.0, 0.0);
c6ae0a5b 933
b599759b 934 if (ts->clat_percentiles || ts->lat_percentiles) {
1db92cb6
JA		 935 len = calc_clat_percentiles(ts->io_u_plat[ddir],
936 ts->clat_stat[ddir].samples,
937 ts->percentile_list, &ovals, &maxv,
938 &minv);
939 } else
940 len = 0;
941
942 for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) {
943 if (i >= len) {
a666cab8 944 log_buf(out, ";0%%=0");
1db92cb6
JA		 945 continue;
946 }
247823cc 947 log_buf(out, ";%f%%=%llu", ts->percentile_list[i].u.f, ovals[i]/1000);
1db92cb6 948 }
2341a37a
K		 949
950 if (calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev))
247823cc 951 log_buf(out, ";%llu;%llu;%f;%f", min/1000, max/1000, mean/1000, dev/1000);
2341a37a 952 else
d6bb626e 953 log_buf(out, ";%llu;%llu;%f;%f", 0ULL, 0ULL, 0.0, 0.0);
2341a37a 954
1db92cb6
JA		 955 if (ovals)
956 free(ovals);
957
a2c95580
AH		 958 bw_stat = calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev);
959 if (bw_stat) {
19d3e967
JA		 960 double p_of_agg = 100.0;
961
962 if (rs->agg[ddir]) {
d1707474 963 p_of_agg = mean * 100 / (double) (rs->agg[ddir] / 1024);
19d3e967
JA		 964 if (p_of_agg > 100.0)
965 p_of_agg = 100.0;
966 }
c6ae0a5b 967
d6bb626e 968 log_buf(out, ";%llu;%llu;%f%%;%f;%f", min, max, p_of_agg, mean, dev);
c6ae0a5b 969 } else
d6bb626e 970 log_buf(out, ";%llu;%llu;%f%%;%f;%f", 0ULL, 0ULL, 0.0, 0.0, 0.0);
a2c95580
AH		 971
972 if (ver == 5) {
973 if (bw_stat)
29eb371b 974 log_buf(out, ";%" PRIu64, (&ts->bw_stat[ddir])->samples);
a2c95580
AH		 975 else
976 log_buf(out, ";%lu", 0UL);
977
978 if (calc_lat(&ts->iops_stat[ddir], &min, &max, &mean, &dev))
29eb371b 979 log_buf(out, ";%llu;%llu;%f;%f;%" PRIu64, min, max,
a2c95580
AH		 980 mean, dev, (&ts->iops_stat[ddir])->samples);
981 else
982 log_buf(out, ";%llu;%llu;%f;%f;%lu", 0ULL, 0ULL, 0.0, 0.0, 0UL);
983 }
c6ae0a5b
JA		 984}
985
cc372b17
SL		 986static void add_ddir_status_json(struct thread_stat *ts,
987 struct group_run_stats *rs, int ddir, struct json_object *parent)
988{
d6bb626e 989 unsigned long long min, max, minv, maxv;
aedd021d 990 unsigned long long bw_bytes, bw;
d6bb626e 991 unsigned long long *ovals = NULL;
9f68fe3a 992 double mean, dev, iops;
d6bb626e 993 unsigned int len;
cc372b17 994 int i;
24cab44e 995 struct json_object *dir_object, *tmp_object, *percentile_object, *clat_bins_object = NULL;
cc372b17
SL		 996 char buf[120];
997 double p_of_agg = 100.0;
998
b2b3eefe 999 assert(ddir_rw(ddir) || ddir_sync(ddir));
cc372b17 1000
771e58be
JA		 1001 if (ts->unified_rw_rep && ddir != DDIR_READ)
1002 return;
1003
cc372b17 1004 dir_object = json_create_object();
771e58be 1005 json_object_add_value_object(parent,
425d3e0e 1006 ts->unified_rw_rep ? "mixed" : io_ddir_name(ddir), dir_object);
cc372b17 1007
b2b3eefe
JA		 1008 if (ddir_rw(ddir)) {
1009 bw_bytes = 0;
1010 bw = 0;
1011 iops = 0.0;
1012 if (ts->runtime[ddir]) {
1013 uint64_t runt = ts->runtime[ddir];
cc372b17 1014
b2b3eefe
JA		 1015 bw_bytes = ((1000 * ts->io_bytes[ddir]) / runt); /* Bytes/s */
1016 bw = bw_bytes / 1024; /* KiB/s */
1017 iops = (1000.0 * (uint64_t) ts->total_io_u[ddir]) / runt;
1018 }
cc372b17 1019
b2b3eefe
JA		 1020 json_object_add_value_int(dir_object, "io_bytes", ts->io_bytes[ddir]);
1021 json_object_add_value_int(dir_object, "io_kbytes", ts->io_bytes[ddir] >> 10);
1022 json_object_add_value_int(dir_object, "bw_bytes", bw_bytes);
1023 json_object_add_value_int(dir_object, "bw", bw);
1024 json_object_add_value_float(dir_object, "iops", iops);
1025 json_object_add_value_int(dir_object, "runtime", ts->runtime[ddir]);
1026 json_object_add_value_int(dir_object, "total_ios", ts->total_io_u[ddir]);
1027 json_object_add_value_int(dir_object, "short_ios", ts->short_io_u[ddir]);
1028 json_object_add_value_int(dir_object, "drop_ios", ts->drop_io_u[ddir]);
1029
1030 if (!calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev)) {
1031 min = max = 0;
1032 mean = dev = 0.0;
1033 }
1034 tmp_object = json_create_object();
1035 json_object_add_value_object(dir_object, "slat_ns", tmp_object);
1036 json_object_add_value_int(tmp_object, "min", min);
1037 json_object_add_value_int(tmp_object, "max", max);
1038 json_object_add_value_float(tmp_object, "mean", mean);
1039 json_object_add_value_float(tmp_object, "stddev", dev);
1040
1041 if (!calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev)) {
1042 min = max = 0;
1043 mean = dev = 0.0;
1044 }
1045 tmp_object = json_create_object();
1046 json_object_add_value_object(dir_object, "clat_ns", tmp_object);
1047 json_object_add_value_int(tmp_object, "min", min);
1048 json_object_add_value_int(tmp_object, "max", max);
1049 json_object_add_value_float(tmp_object, "mean", mean);
1050 json_object_add_value_float(tmp_object, "stddev", dev);
1051 } else {
1052 if (!calc_lat(&ts->sync_stat, &min, &max, &mean, &dev)) {
1053 min = max = 0;
1054 mean = dev = 0.0;
1055 }
cc372b17 1056
b2b3eefe
JA		 1057 tmp_object = json_create_object();
1058 json_object_add_value_object(dir_object, "lat_ns", tmp_object);
f5ec8123 1059 json_object_add_value_int(dir_object, "total_ios", ts->total_io_u[DDIR_SYNC]);
b2b3eefe
JA		 1060 json_object_add_value_int(tmp_object, "min", min);
1061 json_object_add_value_int(tmp_object, "max", max);
1062 json_object_add_value_float(tmp_object, "mean", mean);
1063 json_object_add_value_float(tmp_object, "stddev", dev);
cc372b17 1064 }
cc372b17 1065
b599759b 1066 if (ts->clat_percentiles || ts->lat_percentiles) {
b2b3eefe 1067 if (ddir_rw(ddir)) {
9f2cd5e0
JA		 1068 uint64_t samples;
1069
1070 if (ts->clat_percentiles)
1071 samples = ts->clat_stat[ddir].samples;
1072 else
1073 samples = ts->lat_stat[ddir].samples;
1074
b2b3eefe 1075 len = calc_clat_percentiles(ts->io_u_plat[ddir],
9f2cd5e0
JA		 1076 samples, ts->percentile_list, &ovals,
1077 &maxv, &minv);
b2b3eefe
JA		 1078 } else {
1079 len = calc_clat_percentiles(ts->io_u_sync_plat,
1080 ts->sync_stat.samples,
1081 ts->percentile_list, &ovals, &maxv,
1082 &minv);
1083 }
1084
702bd977
JA		 1085 if (len > FIO_IO_U_LIST_MAX_LEN)
1086 len = FIO_IO_U_LIST_MAX_LEN;
cc372b17
SL		 1087 } else
1088 len = 0;
1089
1090 percentile_object = json_create_object();
e5eb6fbf
VF		 1091 if (ts->clat_percentiles)
1092 json_object_add_value_object(tmp_object, "percentile", percentile_object);
702bd977 1093 for (i = 0; i < len; i++) {
435d195a 1094 snprintf(buf, sizeof(buf), "%f", ts->percentile_list[i].u.f);
cc372b17
SL		 1095 json_object_add_value_int(percentile_object, (const char *)buf, ovals[i]);
1096 }
1097
513e37ee
VF		 1098 if (output_format & FIO_OUTPUT_JSON_PLUS) {
1099 clat_bins_object = json_create_object();
24cab44e
VF		 1100 if (ts->clat_percentiles)
1101 json_object_add_value_object(tmp_object, "bins", clat_bins_object);
1102
513e37ee 1103 for(i = 0; i < FIO_IO_U_PLAT_NR; i++) {
b2b3eefe
JA		 1104 if (ddir_rw(ddir)) {
1105 if (ts->io_u_plat[ddir][i]) {
1106 snprintf(buf, sizeof(buf), "%llu", plat_idx_to_val(i));
1107 json_object_add_value_int(clat_bins_object, (const char *)buf, ts->io_u_plat[ddir][i]);
1108 }
1109 } else {
1110 if (ts->io_u_sync_plat[i]) {
1111 snprintf(buf, sizeof(buf), "%llu", plat_idx_to_val(i));
1112 json_object_add_value_int(clat_bins_object, (const char *)buf, ts->io_u_sync_plat[i]);
1113 }
129e4193 1114 }
513e37ee 1115 }
513e37ee
VF		 1116 }
1117
b2b3eefe
JA		 1118 if (!ddir_rw(ddir))
1119 return;
1120
cc372b17
SL		 1121 if (!calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev)) {
1122 min = max = 0;
1123 mean = dev = 0.0;
1124 }
1125 tmp_object = json_create_object();
d6bb626e 1126 json_object_add_value_object(dir_object, "lat_ns", tmp_object);
cc372b17
SL		 1127 json_object_add_value_int(tmp_object, "min", min);
1128 json_object_add_value_int(tmp_object, "max", max);
1129 json_object_add_value_float(tmp_object, "mean", mean);
1130 json_object_add_value_float(tmp_object, "stddev", dev);
e5eb6fbf
VF		 1131 if (ts->lat_percentiles)
1132 json_object_add_value_object(tmp_object, "percentile", percentile_object);
24cab44e
VF		 1133 if (output_format & FIO_OUTPUT_JSON_PLUS && ts->lat_percentiles)
1134 json_object_add_value_object(tmp_object, "bins", clat_bins_object);
1135
cc372b17
SL		 1136 if (ovals)
1137 free(ovals);
1138
b9e1b491 1139 if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) {
cc372b17 1140 if (rs->agg[ddir]) {
d1707474 1141 p_of_agg = mean * 100 / (double) (rs->agg[ddir] / 1024);
cc372b17
SL		 1142 if (p_of_agg > 100.0)
1143 p_of_agg = 100.0;
1144 }
1145 } else {
1146 min = max = 0;
1147 p_of_agg = mean = dev = 0.0;
1148 }
1149 json_object_add_value_int(dir_object, "bw_min", min);
1150 json_object_add_value_int(dir_object, "bw_max", max);
a806bf2e 1151 json_object_add_value_float(dir_object, "bw_agg", p_of_agg);
cc372b17
SL		 1152 json_object_add_value_float(dir_object, "bw_mean", mean);
1153 json_object_add_value_float(dir_object, "bw_dev", dev);
54c05828
AH		 1154 json_object_add_value_int(dir_object, "bw_samples",
1155 (&ts->bw_stat[ddir])->samples);
188b6016
AH		 1156
1157 if (!calc_lat(&ts->iops_stat[ddir], &min, &max, &mean, &dev)) {
1158 min = max = 0;
1159 mean = dev = 0.0;
1160 }
1161 json_object_add_value_int(dir_object, "iops_min", min);
1162 json_object_add_value_int(dir_object, "iops_max", max);
1163 json_object_add_value_float(dir_object, "iops_mean", mean);
1164 json_object_add_value_float(dir_object, "iops_stddev", dev);
54c05828
AH		 1165 json_object_add_value_int(dir_object, "iops_samples",
1166 (&ts->iops_stat[ddir])->samples);
96563db9
JA		 1167
1168 if (ts->cachehit + ts->cachemiss) {
1169 uint64_t total;
1170 double hit;
1171
1172 total = ts->cachehit + ts->cachemiss;
1173 hit = (double) ts->cachehit / (double) total;
1174 hit *= 100.0;
1175 json_object_add_value_float(dir_object, "cachehit", hit);
1176 }
cc372b17
SL		 1177}
1178
bef2112b
AH		 1179static void show_thread_status_terse_all(struct thread_stat *ts,
1180 struct group_run_stats *rs, int ver,
1181 struct buf_output *out)
4d658652
JA		 1182{
1183 double io_u_dist[FIO_IO_U_MAP_NR];
1184 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
1185 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
1186 double usr_cpu, sys_cpu;
1187 int i;
1188
1189 /* General Info */
bef2112b
AH		 1190 if (ver == 2)
1191 log_buf(out, "2;%s;%d;%d", ts->name, ts->groupid, ts->error);
1192 else
1193 log_buf(out, "%d;%s;%s;%d;%d", ver, fio_version_string,
1194 ts->name, ts->groupid, ts->error);
c6ae0a5b 1195
562c2d2f 1196 /* Log Read Status */
a2c95580 1197 show_ddir_status_terse(ts, rs, DDIR_READ, ver, out);
562c2d2f 1198 /* Log Write Status */
a2c95580 1199 show_ddir_status_terse(ts, rs, DDIR_WRITE, ver, out);
6eaf09d6 1200 /* Log Trim Status */
a2c95580
AH		 1201 if (ver == 2 || ver == 4 || ver == 5)
1202 show_ddir_status_terse(ts, rs, DDIR_TRIM, ver, out);
c6ae0a5b 1203
562c2d2f 1204 /* CPU Usage */
756867bd
JA		 1205 if (ts->total_run_time) {
1206 double runt = (double) ts->total_run_time;
c6ae0a5b 1207
756867bd
JA		 1208 usr_cpu = (double) ts->usr_time * 100 / runt;
1209 sys_cpu = (double) ts->sys_time * 100 / runt;
c6ae0a5b
JA		 1210 } else {
1211 usr_cpu = 0;
1212 sys_cpu = 0;
1213 }
1214
a666cab8 1215 log_buf(out, ";%f%%;%f%%;%llu;%llu;%llu", usr_cpu, sys_cpu,
4e0a8fa2
JA		 1216 (unsigned long long) ts->ctx,
1217 (unsigned long long) ts->majf,
1218 (unsigned long long) ts->minf);
2270890c 1219
562c2d2f 1220 /* Calc % distribution of IO depths, usecond, msecond latency */
d79db122 1221 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
247823cc 1222 stat_calc_lat_nu(ts, io_u_lat_u);
04a0feae 1223 stat_calc_lat_m(ts, io_u_lat_m);
2270890c 1224
562c2d2f 1225 /* Only show fixed 7 I/O depth levels*/
a666cab8 1226 log_buf(out, ";%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%",
5ec10eaa
JA		 1227 io_u_dist[0], io_u_dist[1], io_u_dist[2], io_u_dist[3],
1228 io_u_dist[4], io_u_dist[5], io_u_dist[6]);
2270890c 1229
562c2d2f 1230 /* Microsecond latency */
04a0feae 1231 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++)
a666cab8 1232 log_buf(out, ";%3.2f%%", io_u_lat_u[i]);
562c2d2f 1233 /* Millisecond latency */
04a0feae 1234 for (i = 0; i < FIO_IO_U_LAT_M_NR; i++)
a666cab8 1235 log_buf(out, ";%3.2f%%", io_u_lat_m[i]);
f2f788dd
JA		 1236
1237 /* disk util stats, if any */
24a97130 1238 if (ver >= 3 && is_running_backend())
bef2112b 1239 show_disk_util(1, NULL, out);
f2f788dd 1240
562c2d2f 1241 /* Additional output if continue_on_error set - default off*/
f2bba182 1242 if (ts->continue_on_error)
a666cab8 1243 log_buf(out, ";%llu;%d", (unsigned long long) ts->total_err_count, ts->first_error);
bef2112b
AH		 1244 if (ver == 2)
1245 log_buf(out, "\n");
2270890c 1246
562c2d2f 1247 /* Additional output if description is set */
4b0f2258 1248 if (strlen(ts->description))
a666cab8 1249 log_buf(out, ";%s", ts->description);
946e4276 1250
a666cab8 1251 log_buf(out, "\n");
756867bd
JA		 1252}
1253
a89ba4b1 1254static void json_add_job_opts(struct json_object *root, const char *name,
0cf542af 1255 struct flist_head *opt_list)
66e19a38
JA		 1256{
1257 struct json_object *dir_object;
1258 struct flist_head *entry;
1259 struct print_option *p;
1260
1261 if (flist_empty(opt_list))
1262 return;
1263
1264 dir_object = json_create_object();
1265 json_object_add_value_object(root, name, dir_object);
1266
1267 flist_for_each(entry, opt_list) {
1268 const char *pos = "";
1269
1270 p = flist_entry(entry, struct print_option, list);
1271 if (p->value)
1272 pos = p->value;
1273 json_object_add_value_string(dir_object, p->name, pos);
1274 }
1275}
1276
cc372b17 1277static struct json_object *show_thread_status_json(struct thread_stat *ts,
66e19a38
JA		 1278 struct group_run_stats *rs,
1279 struct flist_head *opt_list)
cc372b17
SL		 1280{
1281 struct json_object *root, *tmp;
b01af66b 1282 struct jobs_eta *je;
cc372b17 1283 double io_u_dist[FIO_IO_U_MAP_NR];
d6bb626e 1284 double io_u_lat_n[FIO_IO_U_LAT_N_NR];
cc372b17
SL		 1285 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
1286 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
1287 double usr_cpu, sys_cpu;
1288 int i;
b01af66b
CJ		 1289 size_t size;
1290
cc372b17
SL		 1291 root = json_create_object();
1292 json_object_add_value_string(root, "jobname", ts->name);
1293 json_object_add_value_int(root, "groupid", ts->groupid);
1294 json_object_add_value_int(root, "error", ts->error);
1295
b01af66b 1296 /* ETA Info */
c5103619 1297 je = get_jobs_eta(true, &size);
2de615ad
JA		 1298 if (je) {
1299 json_object_add_value_int(root, "eta", je->eta_sec);
1300 json_object_add_value_int(root, "elapsed", je->elapsed_sec);
1301 }
b01af66b 1302
66e19a38 1303 if (opt_list)
0cf542af 1304 json_add_job_opts(root, "job options", opt_list);
66e19a38 1305
cc372b17
SL		 1306 add_ddir_status_json(ts, rs, DDIR_READ, root);
1307 add_ddir_status_json(ts, rs, DDIR_WRITE, root);
f3afa57e 1308 add_ddir_status_json(ts, rs, DDIR_TRIM, root);
b2b3eefe 1309 add_ddir_status_json(ts, rs, DDIR_SYNC, root);
cc372b17
SL		 1310
1311 /* CPU Usage */
1312 if (ts->total_run_time) {
1313 double runt = (double) ts->total_run_time;
1314
1315 usr_cpu = (double) ts->usr_time * 100 / runt;
1316 sys_cpu = (double) ts->sys_time * 100 / runt;
1317 } else {
1318 usr_cpu = 0;
1319 sys_cpu = 0;
1320 }
bcbb4c6c 1321 json_object_add_value_int(root, "job_runtime", ts->total_run_time);
cc372b17
SL		 1322 json_object_add_value_float(root, "usr_cpu", usr_cpu);
1323 json_object_add_value_float(root, "sys_cpu", sys_cpu);
1324 json_object_add_value_int(root, "ctx", ts->ctx);
1325 json_object_add_value_int(root, "majf", ts->majf);
1326 json_object_add_value_int(root, "minf", ts->minf);
1327
ec3e3648 1328 /* Calc % distribution of IO depths */
d79db122 1329 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
cc372b17
SL		 1330 tmp = json_create_object();
1331 json_object_add_value_object(root, "iodepth_level", tmp);
1332 /* Only show fixed 7 I/O depth levels*/
1333 for (i = 0; i < 7; i++) {
1334 char name[20];
1335 if (i < 6)
98ffb8f3 1336 snprintf(name, 20, "%d", 1 << i);
cc372b17 1337 else
98ffb8f3 1338 snprintf(name, 20, ">=%d", 1 << i);
cc372b17
SL		 1339 json_object_add_value_float(tmp, (const char *)name, io_u_dist[i]);
1340 }
1341
ec3e3648
VF		 1342 /* Calc % distribution of submit IO depths */
1343 stat_calc_dist(ts->io_u_submit, ts->total_submit, io_u_dist);
1344 tmp = json_create_object();
1345 json_object_add_value_object(root, "iodepth_submit", tmp);
1346 /* Only show fixed 7 I/O depth levels*/
1347 for (i = 0; i < 7; i++) {
1348 char name[20];
1349 if (i == 0)
1350 snprintf(name, 20, "0");
1351 else if (i < 6)
1352 snprintf(name, 20, "%d", 1 << (i+1));
1353 else
1354 snprintf(name, 20, ">=%d", 1 << i);
1355 json_object_add_value_float(tmp, (const char *)name, io_u_dist[i]);
1356 }
1357
1358 /* Calc % distribution of completion IO depths */
1359 stat_calc_dist(ts->io_u_complete, ts->total_complete, io_u_dist);
1360 tmp = json_create_object();
1361 json_object_add_value_object(root, "iodepth_complete", tmp);
1362 /* Only show fixed 7 I/O depth levels*/
1363 for (i = 0; i < 7; i++) {
1364 char name[20];
1365 if (i == 0)
1366 snprintf(name, 20, "0");
1367 else if (i < 6)
1368 snprintf(name, 20, "%d", 1 << (i+1));
1369 else
1370 snprintf(name, 20, ">=%d", 1 << i);
1371 json_object_add_value_float(tmp, (const char *)name, io_u_dist[i]);
1372 }
1373
1374 /* Calc % distribution of nsecond, usecond, msecond latency */
1375 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
1376 stat_calc_lat_n(ts, io_u_lat_n);
1377 stat_calc_lat_u(ts, io_u_lat_u);
1378 stat_calc_lat_m(ts, io_u_lat_m);
1379
d6bb626e 1380 /* Nanosecond latency */
cc372b17 1381 tmp = json_create_object();
d6bb626e
VF		 1382 json_object_add_value_object(root, "latency_ns", tmp);
1383 for (i = 0; i < FIO_IO_U_LAT_N_NR; i++) {
1384 const char *ranges[] = { "2", "4", "10", "20", "50", "100",
1385 "250", "500", "750", "1000", };
1386 json_object_add_value_float(tmp, ranges[i], io_u_lat_n[i]);
1387 }
cc372b17 1388 /* Microsecond latency */
d6bb626e
VF		 1389 tmp = json_create_object();
1390 json_object_add_value_object(root, "latency_us", tmp);
cc372b17
SL		 1391 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) {
1392 const char *ranges[] = { "2", "4", "10", "20", "50", "100",
1393 "250", "500", "750", "1000", };
1394 json_object_add_value_float(tmp, ranges[i], io_u_lat_u[i]);
1395 }
1396 /* Millisecond latency */
1397 tmp = json_create_object();
1398 json_object_add_value_object(root, "latency_ms", tmp);
1399 for (i = 0; i < FIO_IO_U_LAT_M_NR; i++) {
1400 const char *ranges[] = { "2", "4", "10", "20", "50", "100",
1401 "250", "500", "750", "1000", "2000",
1402 ">=2000", };
1403 json_object_add_value_float(tmp, ranges[i], io_u_lat_m[i]);
1404 }
1405
1406 /* Additional output if continue_on_error set - default off*/
1407 if (ts->continue_on_error) {
1408 json_object_add_value_int(root, "total_err", ts->total_err_count);
952b05e0 1409 json_object_add_value_int(root, "first_error", ts->first_error);
cc372b17
SL		 1410 }
1411
3e260a46
JA		 1412 if (ts->latency_depth) {
1413 json_object_add_value_int(root, "latency_depth", ts->latency_depth);
1414 json_object_add_value_int(root, "latency_target", ts->latency_target);
1415 json_object_add_value_float(root, "latency_percentile", ts->latency_percentile.u.f);
1416 json_object_add_value_int(root, "latency_window", ts->latency_window);
1417 }
1418
cc372b17
SL		 1419 /* Additional output if description is set */
1420 if (strlen(ts->description))
1421 json_object_add_value_string(root, "desc", ts->description);
1422
66347cfa
DE		 1423 if (ts->nr_block_infos) {
1424 /* Block error histogram and types */
1425 int len;
1426 unsigned int *percentiles = NULL;
1427 unsigned int block_state_counts[BLOCK_STATE_COUNT];
1428
1429 len = calc_block_percentiles(ts->nr_block_infos, ts->block_infos,
1430 ts->percentile_list,
1431 &percentiles, block_state_counts);
1432
1433 if (len) {
1434 struct json_object *block, *percentile_object, *states;
8a68c41c 1435 int state;
66347cfa
DE		 1436 block = json_create_object();
1437 json_object_add_value_object(root, "block", block);
1438
1439 percentile_object = json_create_object();
1440 json_object_add_value_object(block, "percentiles",
1441 percentile_object);
1442 for (i = 0; i < len; i++) {
1443 char buf[20];
1444 snprintf(buf, sizeof(buf), "%f",
1445 ts->percentile_list[i].u.f);
1446 json_object_add_value_int(percentile_object,
1447 (const char *)buf,
1448 percentiles[i]);
1449 }
1450
1451 states = json_create_object();
1452 json_object_add_value_object(block, "states", states);
1453 for (state = 0; state < BLOCK_STATE_COUNT; state++) {
1454 json_object_add_value_int(states,
1455 block_state_names[state],
1456 block_state_counts[state]);
1457 }
1458 free(percentiles);
1459 }
1460 }
1461
bb49c8bd 1462 if (ts->ss_dur) {
ba8fb6f6
VF		 1463 struct json_object *data;
1464 struct json_array *iops, *bw;
a43f4461 1465 int j, k, l;
6da94b07 1466 char ss_buf[64];
16e56d25 1467
6da94b07 1468 snprintf(ss_buf, sizeof(ss_buf), "%s%s:%f%s",
c8caba48
JA		 1469 ts->ss_state & FIO_SS_IOPS ? "iops" : "bw",
1470 ts->ss_state & FIO_SS_SLOPE ? "_slope" : "",
bb49c8bd 1471 (float) ts->ss_limit.u.f,
c8caba48 1472 ts->ss_state & FIO_SS_PCT ? "%" : "");
16e56d25
VF		 1473
1474 tmp = json_create_object();
1475 json_object_add_value_object(root, "steadystate", tmp);
6da94b07 1476 json_object_add_value_string(tmp, "ss", ss_buf);
bb49c8bd 1477 json_object_add_value_int(tmp, "duration", (int)ts->ss_dur);
c8caba48 1478 json_object_add_value_int(tmp, "attained", (ts->ss_state & FIO_SS_ATTAINED) > 0);
6da94b07 1479
bb49c8bd 1480 snprintf(ss_buf, sizeof(ss_buf), "%f%s", (float) ts->ss_criterion.u.f,
c8caba48 1481 ts->ss_state & FIO_SS_PCT ? "%" : "");
6da94b07 1482 json_object_add_value_string(tmp, "criterion", ss_buf);
bb49c8bd
VF		 1483 json_object_add_value_float(tmp, "max_deviation", ts->ss_deviation.u.f);
1484 json_object_add_value_float(tmp, "slope", ts->ss_slope.u.f);
ba8fb6f6
VF		 1485
1486 data = json_create_object();
1487 json_object_add_value_object(tmp, "data", data);
1488 bw = json_create_array();
1489 iops = json_create_array();
412c7d91
VF		 1490
1491 /*
1492 ** if ss was attained or the buffer is not full,
1493 ** ss->head points to the first element in the list.
1494 ** otherwise it actually points to the second element
1495 ** in the list
1496 */
c8caba48 1497 if ((ts->ss_state & FIO_SS_ATTAINED) || !(ts->ss_state & FIO_SS_BUFFER_FULL))
bb49c8bd 1498 j = ts->ss_head;
412c7d91 1499 else
bb49c8bd 1500 j = ts->ss_head == 0 ? ts->ss_dur - 1 : ts->ss_head - 1;
a43f4461
JA		 1501 for (l = 0; l < ts->ss_dur; l++) {
1502 k = (j + l) % ts->ss_dur;
bb49c8bd
VF		 1503 json_array_add_value_int(bw, ts->ss_bw_data[k]);
1504 json_array_add_value_int(iops, ts->ss_iops_data[k]);
16e56d25 1505 }
bb49c8bd
VF		 1506 json_object_add_value_int(data, "bw_mean", steadystate_bw_mean(ts));
1507 json_object_add_value_int(data, "iops_mean", steadystate_iops_mean(ts));
6da94b07
VF		 1508 json_object_add_value_array(data, "iops", iops);
1509 json_object_add_value_array(data, "bw", bw);
16e56d25
VF		 1510 }
1511
cc372b17
SL		 1512 return root;
1513}
1514
4d658652 1515static void show_thread_status_terse(struct thread_stat *ts,
a666cab8
JA		 1516 struct group_run_stats *rs,
1517 struct buf_output *out)
4d658652 1518{
a2c95580 1519 if (terse_version >= 2 && terse_version <= 5)
bef2112b 1520 show_thread_status_terse_all(ts, rs, terse_version, out);
4d658652
JA		 1521 else
1522 log_err("fio: bad terse version!? %d\n", terse_version);
1523}
1524
952b05e0 1525struct json_object *show_thread_status(struct thread_stat *ts,
a666cab8 1526 struct group_run_stats *rs,
0279b880 1527 struct flist_head *opt_list,
a666cab8 1528 struct buf_output *out)
952b05e0 1529{
129fb2d4
JA		 1530 struct json_object *ret = NULL;
1531
1532 if (output_format & FIO_OUTPUT_TERSE)
a666cab8 1533 show_thread_status_terse(ts, rs, out);
129fb2d4 1534 if (output_format & FIO_OUTPUT_JSON)
0279b880 1535 ret = show_thread_status_json(ts, rs, opt_list);
129fb2d4 1536 if (output_format & FIO_OUTPUT_NORMAL)
a666cab8 1537 show_thread_status_normal(ts, rs, out);
129fb2d4
JA		 1538
1539 return ret;
952b05e0
CF		 1540}
1541
70750d6a 1542static void __sum_stat(struct io_stat *dst, struct io_stat *src, bool first)
756867bd
JA		 1543{
1544 double mean, S;
1545
1546 dst->min_val = min(dst->min_val, src->min_val);
1547 dst->max_val = max(dst->max_val, src->max_val);
756867bd
JA		 1548
1549 /*
cdcac5cf
YH		 1550 * Compute new mean and S after the merge
1551 * <http://en.wikipedia.org/wiki/Algorithms_for_calculating_variance
1552 * #Parallel_algorithm>
756867bd 1553 */
fd595830 1554 if (first) {
802ad4a8
JA		 1555 mean = src->mean.u.f;
1556 S = src->S.u.f;
756867bd 1557 } else {
802ad4a8 1558 double delta = src->mean.u.f - dst->mean.u.f;
cdcac5cf 1559
802ad4a8
JA		 1560 mean = ((src->mean.u.f * src->samples) +
1561 (dst->mean.u.f * dst->samples)) /
cdcac5cf
YH		 1562 (dst->samples + src->samples);
1563
802ad4a8 1564 S = src->S.u.f + dst->S.u.f + pow(delta, 2.0) *
cdcac5cf
YH		 1565 (dst->samples * src->samples) /
1566 (dst->samples + src->samples);
756867bd
JA		 1567 }
1568
cdcac5cf 1569 dst->samples += src->samples;
802ad4a8
JA		 1570 dst->mean.u.f = mean;
1571 dst->S.u.f = S;
70750d6a
JA		 1572
1573}
1574
1575/*
1576 * We sum two kinds of stats - one that is time based, in which case we
1577 * apply the proper summing technique, and then one that is iops/bw
1578 * numbers. For group_reporting, we should just add those up, not make
1579 * them the mean of everything.
1580 */
1581static void sum_stat(struct io_stat *dst, struct io_stat *src, bool first,
1582 bool pure_sum)
1583{
1584 if (src->samples == 0)
1585 return;
1586
1587 if (!pure_sum) {
1588 __sum_stat(dst, src, first);
1589 return;
1590 }
1591
68afa5b5
JA		 1592 if (first) {
1593 dst->min_val = src->min_val;
1594 dst->max_val = src->max_val;
1595 dst->samples = src->samples;
1596 dst->mean.u.f = src->mean.u.f;
1597 dst->S.u.f = src->S.u.f;
1598 } else {
1599 dst->min_val += src->min_val;
1600 dst->max_val += src->max_val;
1601 dst->samples += src->samples;
1602 dst->mean.u.f += src->mean.u.f;
1603 dst->S.u.f += src->S.u.f;
1604 }
756867bd
JA		 1605}
1606
37f0c1ae
JA		 1607void sum_group_stats(struct group_run_stats *dst, struct group_run_stats *src)
1608{
1609 int i;
1610
6eaf09d6 1611 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
37f0c1ae
JA		 1612 if (dst->max_run[i] < src->max_run[i])
1613 dst->max_run[i] = src->max_run[i];
1614 if (dst->min_run[i] && dst->min_run[i] > src->min_run[i])
1615 dst->min_run[i] = src->min_run[i];
1616 if (dst->max_bw[i] < src->max_bw[i])
1617 dst->max_bw[i] = src->max_bw[i];
1618 if (dst->min_bw[i] && dst->min_bw[i] > src->min_bw[i])
1619 dst->min_bw[i] = src->min_bw[i];
1620
af7f87cb 1621 dst->iobytes[i] += src->iobytes[i];
37f0c1ae
JA		 1622 dst->agg[i] += src->agg[i];
1623 }
1624
dbae1bd6
JA		 1625 if (!dst->kb_base)
1626 dst->kb_base = src->kb_base;
1627 if (!dst->unit_base)
1628 dst->unit_base = src->unit_base;
18aa1998
JF		 1629 if (!dst->sig_figs)
1630 dst->sig_figs = src->sig_figs;
37f0c1ae
JA		 1631}
1632
fd595830
JA		 1633void sum_thread_stats(struct thread_stat *dst, struct thread_stat *src,
1634 bool first)
5b9babb7
JA		 1635{
1636 int l, k;
1637
6eaf09d6 1638 for (l = 0; l < DDIR_RWDIR_CNT; l++) {
771e58be 1639 if (!dst->unified_rw_rep) {
70750d6a
JA		 1640 sum_stat(&dst->clat_stat[l], &src->clat_stat[l], first, false);
1641 sum_stat(&dst->slat_stat[l], &src->slat_stat[l], first, false);
1642 sum_stat(&dst->lat_stat[l], &src->lat_stat[l], first, false);
1643 sum_stat(&dst->bw_stat[l], &src->bw_stat[l], first, true);
1644 sum_stat(&dst->iops_stat[l], &src->iops_stat[l], first, true);
771e58be
JA		 1645
1646 dst->io_bytes[l] += src->io_bytes[l];
1647
1648 if (dst->runtime[l] < src->runtime[l])
1649 dst->runtime[l] = src->runtime[l];
1650 } else {
70750d6a
JA		 1651 sum_stat(&dst->clat_stat[0], &src->clat_stat[l], first, false);
1652 sum_stat(&dst->slat_stat[0], &src->slat_stat[l], first, false);
1653 sum_stat(&dst->lat_stat[0], &src->lat_stat[l], first, false);
1654 sum_stat(&dst->bw_stat[0], &src->bw_stat[l], first, true);
1655 sum_stat(&dst->iops_stat[0], &src->iops_stat[l], first, true);
771e58be
JA		 1656
1657 dst->io_bytes[0] += src->io_bytes[l];
1658
1659 if (dst->runtime[0] < src->runtime[l])
1660 dst->runtime[0] = src->runtime[l];
fd595830
JA		 1661
1662 /*
1663 * We're summing to the same destination, so override
1664 * 'first' after the first iteration of the loop
1665 */
1666 first = false;
771e58be 1667 }
5b9babb7
JA		 1668 }
1669
70750d6a 1670 sum_stat(&dst->sync_stat, &src->sync_stat, first, false);
5b9babb7
JA		 1671 dst->usr_time += src->usr_time;
1672 dst->sys_time += src->sys_time;
1673 dst->ctx += src->ctx;
1674 dst->majf += src->majf;
1675 dst->minf += src->minf;
1676
b2b3eefe 1677 for (k = 0; k < FIO_IO_U_MAP_NR; k++) {
5b9babb7 1678 dst->io_u_map[k] += src->io_u_map[k];
5b9babb7 1679 dst->io_u_submit[k] += src->io_u_submit[k];
5b9babb7 1680 dst->io_u_complete[k] += src->io_u_complete[k];
b2b3eefe
JA		 1681 }
1682 for (k = 0; k < FIO_IO_U_LAT_N_NR; k++) {
d6bb626e 1683 dst->io_u_lat_n[k] += src->io_u_lat_n[k];
5b9babb7 1684 dst->io_u_lat_u[k] += src->io_u_lat_u[k];
5b9babb7 1685 dst->io_u_lat_m[k] += src->io_u_lat_m[k];
b2b3eefe
JA		 1686 }
1687 for (k = 0; k < FIO_IO_U_PLAT_NR; k++)
1688 dst->io_u_sync_plat[k] += src->io_u_sync_plat[k];
5b9babb7 1689
6eaf09d6 1690 for (k = 0; k < DDIR_RWDIR_CNT; k++) {
771e58be
JA		 1691 if (!dst->unified_rw_rep) {
1692 dst->total_io_u[k] += src->total_io_u[k];
1693 dst->short_io_u[k] += src->short_io_u[k];
3bcb9d94 1694 dst->drop_io_u[k] += src->drop_io_u[k];
771e58be
JA		 1695 } else {
1696 dst->total_io_u[0] += src->total_io_u[k];
1697 dst->short_io_u[0] += src->short_io_u[k];
3bcb9d94 1698 dst->drop_io_u[0] += src->drop_io_u[k];
771e58be 1699 }
5b9babb7
JA		 1700 }
1701
7f3ecee2
JA		 1702 dst->total_io_u[DDIR_SYNC] += src->total_io_u[DDIR_SYNC];
1703
6eaf09d6 1704 for (k = 0; k < DDIR_RWDIR_CNT; k++) {
5b9babb7 1705 int m;
771e58be
JA		 1706
1707 for (m = 0; m < FIO_IO_U_PLAT_NR; m++) {
1708 if (!dst->unified_rw_rep)
1709 dst->io_u_plat[k][m] += src->io_u_plat[k][m];
1710 else
1711 dst->io_u_plat[0][m] += src->io_u_plat[k][m];
1712 }
5b9babb7
JA		 1713 }
1714
1715 dst->total_run_time += src->total_run_time;
1716 dst->total_submit += src->total_submit;
1717 dst->total_complete += src->total_complete;
fd5d733f 1718 dst->nr_zone_resets += src->nr_zone_resets;
96563db9
JA		 1719 dst->cachehit += src->cachehit;
1720 dst->cachemiss += src->cachemiss;
5b9babb7
JA		 1721}
1722
37f0c1ae
JA		 1723void init_group_run_stat(struct group_run_stats *gs)
1724{
6eaf09d6 1725 int i;
37f0c1ae 1726 memset(gs, 0, sizeof(*gs));
6eaf09d6
SL		 1727
1728 for (i = 0; i < DDIR_RWDIR_CNT; i++)
1729 gs->min_bw[i] = gs->min_run[i] = ~0UL;
37f0c1ae
JA		 1730}
1731
1732void init_thread_stat(struct thread_stat *ts)
1733{
1734 int j;
1735
1736 memset(ts, 0, sizeof(*ts));
1737
6eaf09d6 1738 for (j = 0; j < DDIR_RWDIR_CNT; j++) {
37f0c1ae
JA		 1739 ts->lat_stat[j].min_val = -1UL;
1740 ts->clat_stat[j].min_val = -1UL;
1741 ts->slat_stat[j].min_val = -1UL;
1742 ts->bw_stat[j].min_val = -1UL;
188b6016 1743 ts->iops_stat[j].min_val = -1UL;
37f0c1ae 1744 }
7f3ecee2 1745 ts->sync_stat.min_val = -1UL;
37f0c1ae
JA		 1746 ts->groupid = -1;
1747}
1748
83f7b64e 1749void __show_run_stats(void)
3c39a379
JA		 1750{
1751 struct group_run_stats *runstats, *rs;
1752 struct thread_data *td;
756867bd 1753 struct thread_stat *threadstats, *ts;
4da24b69 1754 int i, j, k, nr_ts, last_ts, idx;
8985b491
JA		 1755 bool kb_base_warned = false;
1756 bool unit_base_warned = false;
cc372b17
SL		 1757 struct json_object *root = NULL;
1758 struct json_array *array = NULL;
a666cab8 1759 struct buf_output output[FIO_OUTPUT_NR];
66e19a38 1760 struct flist_head **opt_lists;
a666cab8 1761
3c39a379
JA		 1762 runstats = malloc(sizeof(struct group_run_stats) * (groupid + 1));
1763
37f0c1ae
JA		 1764 for (i = 0; i < groupid + 1; i++)
1765 init_group_run_stat(&runstats[i]);
3c39a379 1766
756867bd
JA		 1767 /*
1768 * find out how many threads stats we need. if group reporting isn't
1769 * enabled, it's one-per-td.
1770 */
1771 nr_ts = 0;
1772 last_ts = -1;
1773 for_each_td(td, i) {
2dc1bbeb 1774 if (!td->o.group_reporting) {
756867bd
JA		 1775 nr_ts++;
1776 continue;
1777 }
1778 if (last_ts == td->groupid)
1779 continue;
8243be59
JA		 1780 if (!td->o.stats)
1781 continue;
756867bd
JA		 1782
1783 last_ts = td->groupid;
1784 nr_ts++;
1785 }
1786
1787 threadstats = malloc(nr_ts * sizeof(struct thread_stat));
66e19a38 1788 opt_lists = malloc(nr_ts * sizeof(struct flist_head *));
756867bd 1789
66e19a38 1790 for (i = 0; i < nr_ts; i++) {
37f0c1ae 1791 init_thread_stat(&threadstats[i]);
66e19a38
JA		 1792 opt_lists[i] = NULL;
1793 }
756867bd
JA		 1794
1795 j = 0;
1796 last_ts = -1;
197574e4 1797 idx = 0;
34572e28 1798 for_each_td(td, i) {
8243be59
JA		 1799 if (!td->o.stats)
1800 continue;
2dc1bbeb
JA		 1801 if (idx && (!td->o.group_reporting ||
1802 (td->o.group_reporting && last_ts != td->groupid))) {
7abd0e3a
JA		 1803 idx = 0;
1804 j++;
1805 }
1806
1807 last_ts = td->groupid;
1808
756867bd
JA		 1809 ts = &threadstats[j];
1810
83349190 1811 ts->clat_percentiles = td->o.clat_percentiles;
b599759b 1812 ts->lat_percentiles = td->o.lat_percentiles;
435d195a 1813 ts->percentile_precision = td->o.percentile_precision;
fd112d34 1814 memcpy(ts->percentile_list, td->o.percentile_list, sizeof(td->o.percentile_list));
66e19a38 1815 opt_lists[j] = &td->opt_list;
83349190 1816
197574e4 1817 idx++;
6586ee89 1818 ts->members++;
756867bd 1819
7abd0e3a 1820 if (ts->groupid == -1) {
2dc84ba7
JA		 1821 /*
1822 * These are per-group shared already
1823 */
4e59d0f3 1824 strncpy(ts->name, td->o.name, FIO_JOBNAME_SIZE - 1);
a64e88da
JA		 1825 if (td->o.description)
1826 strncpy(ts->description, td->o.description,
4e59d0f3 1827 FIO_JOBDESC_SIZE - 1);
a64e88da 1828 else
4e59d0f3 1829 memset(ts->description, 0, FIO_JOBDESC_SIZE);
a64e88da 1830
2f122b13
JA		 1831 /*
1832 * If multiple entries in this group, this is
1833 * the first member.
1834 */
1835 ts->thread_number = td->thread_number;
756867bd 1836 ts->groupid = td->groupid;
2dc84ba7
JA		 1837
1838 /*
1839 * first pid in group, not very useful...
1840 */
756867bd 1841 ts->pid = td->pid;
90fef2d1
JA		 1842
1843 ts->kb_base = td->o.kb_base;
ad705bcb 1844 ts->unit_base = td->o.unit_base;
e883cb35 1845 ts->sig_figs = td->o.sig_figs;
771e58be 1846 ts->unified_rw_rep = td->o.unified_rw_rep;
90fef2d1
JA		 1847 } else if (ts->kb_base != td->o.kb_base && !kb_base_warned) {
1848 log_info("fio: kb_base differs for jobs in group, using"
1849 " %u as the base\n", ts->kb_base);
8985b491 1850 kb_base_warned = true;
ad705bcb
SN		 1851 } else if (ts->unit_base != td->o.unit_base && !unit_base_warned) {
1852 log_info("fio: unit_base differs for jobs in group, using"
1853 " %u as the base\n", ts->unit_base);
8985b491 1854 unit_base_warned = true;
2dc84ba7
JA		 1855 }
1856
f2bba182
RR		 1857 ts->continue_on_error = td->o.continue_on_error;
1858 ts->total_err_count += td->total_err_count;
1859 ts->first_error = td->first_error;
1860 if (!ts->error) {
1861 if (!td->error && td->o.continue_on_error &&
1862 td->first_error) {
1863 ts->error = td->first_error;
3660ceae
JA		 1864 ts->verror[sizeof(ts->verror) - 1] = '\0';
1865 strncpy(ts->verror, td->verror, sizeof(ts->verror) - 1);
f2bba182
RR		 1866 } else if (td->error) {
1867 ts->error = td->error;
3660ceae
JA		 1868 ts->verror[sizeof(ts->verror) - 1] = '\0';
1869 strncpy(ts->verror, td->verror, sizeof(ts->verror) - 1);
f2bba182 1870 }
756867bd
JA		 1871 }
1872
3e260a46
JA		 1873 ts->latency_depth = td->latency_qd;
1874 ts->latency_target = td->o.latency_target;
1875 ts->latency_percentile = td->o.latency_percentile;
1876 ts->latency_window = td->o.latency_window;
1877
0e4dd95c 1878 ts->nr_block_infos = td->ts.nr_block_infos;
4da24b69
JA		 1879 for (k = 0; k < ts->nr_block_infos; k++)
1880 ts->block_infos[k] = td->ts.block_infos[k];
0e4dd95c 1881
fd595830 1882 sum_thread_stats(ts, &td->ts, idx == 1);
16e56d25 1883
bb49c8bd
VF		 1884 if (td->o.ss_dur) {
1885 ts->ss_state = td->ss.state;
1886 ts->ss_dur = td->ss.dur;
1887 ts->ss_head = td->ss.head;
bb49c8bd
VF		 1888 ts->ss_bw_data = td->ss.bw_data;
1889 ts->ss_iops_data = td->ss.iops_data;
1890 ts->ss_limit.u.f = td->ss.limit;
1891 ts->ss_slope.u.f = td->ss.slope;
1892 ts->ss_deviation.u.f = td->ss.deviation;
1893 ts->ss_criterion.u.f = td->ss.criterion;
1894 }
16e56d25 1895 else
bb49c8bd 1896 ts->ss_dur = ts->ss_state = 0;
756867bd
JA		 1897 }
1898
1899 for (i = 0; i < nr_ts; i++) {
94370ac4 1900 unsigned long long bw;
3c39a379 1901
756867bd 1902 ts = &threadstats[i];
dedb88eb
JA		 1903 if (ts->groupid == -1)
1904 continue;
756867bd 1905 rs = &runstats[ts->groupid];
90fef2d1 1906 rs->kb_base = ts->kb_base;
ad705bcb 1907 rs->unit_base = ts->unit_base;
e883cb35 1908 rs->sig_figs = ts->sig_figs;
771e58be 1909 rs->unified_rw_rep += ts->unified_rw_rep;
3c39a379 1910
6eaf09d6 1911 for (j = 0; j < DDIR_RWDIR_CNT; j++) {
94370ac4
JA		 1912 if (!ts->runtime[j])
1913 continue;
1914 if (ts->runtime[j] < rs->min_run[j] || !rs->min_run[j])
1915 rs->min_run[j] = ts->runtime[j];
1916 if (ts->runtime[j] > rs->max_run[j])
1917 rs->max_run[j] = ts->runtime[j];
1918
1919 bw = 0;
af7f87cb
RE		 1920 if (ts->runtime[j])
1921 bw = ts->io_bytes[j] * 1000 / ts->runtime[j];
94370ac4
JA		 1922 if (bw < rs->min_bw[j])
1923 rs->min_bw[j] = bw;
1924 if (bw > rs->max_bw[j])
1925 rs->max_bw[j] = bw;
1926
af7f87cb 1927 rs->iobytes[j] += ts->io_bytes[j];
94370ac4 1928 }
3c39a379
JA		 1929 }
1930
1931 for (i = 0; i < groupid + 1; i++) {
6eaf09d6
SL		 1932 int ddir;
1933
3c39a379
JA		 1934 rs = &runstats[i];
1935
6eaf09d6
SL		 1936 for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++) {
1937 if (rs->max_run[ddir])
af7f87cb 1938 rs->agg[ddir] = (rs->iobytes[ddir] * 1000) /
6eaf09d6
SL		 1939 rs->max_run[ddir];
1940 }
3c39a379
JA		 1941 }
1942
a666cab8 1943 for (i = 0; i < FIO_OUTPUT_NR; i++)
e250c0a9 1944 buf_output_init(&output[i]);
a666cab8 1945
3c39a379
JA		 1946 /*
1947 * don't overwrite last signal output
1948 */
129fb2d4 1949 if (output_format & FIO_OUTPUT_NORMAL)
a666cab8 1950 log_buf(&output[__FIO_OUTPUT_NORMAL], "\n");
129fb2d4 1951 if (output_format & FIO_OUTPUT_JSON) {
66e19a38 1952 struct thread_data *global;
35326842 1953 char time_buf[32];
aa7d2ef0
RH		 1954 struct timeval now;
1955 unsigned long long ms_since_epoch;
afd74e2a 1956 time_t tv_sec;
91e53870 1957
aa7d2ef0
RH		 1958 gettimeofday(&now, NULL);
1959 ms_since_epoch = (unsigned long long)(now.tv_sec) * 1000 +
1960 (unsigned long long)(now.tv_usec) / 1000;
1961
afd74e2a
BVA		 1962 tv_sec = now.tv_sec;
1963 os_ctime_r(&tv_sec, time_buf, sizeof(time_buf));
1d272416
JA		 1964 if (time_buf[strlen(time_buf) - 1] == '\n')
1965 time_buf[strlen(time_buf) - 1] = '\0';
91e53870 1966
cc372b17
SL		 1967 root = json_create_object();
1968 json_object_add_value_string(root, "fio version", fio_version_string);
aa7d2ef0
RH		 1969 json_object_add_value_int(root, "timestamp", now.tv_sec);
1970 json_object_add_value_int(root, "timestamp_ms", ms_since_epoch);
91e53870 1971 json_object_add_value_string(root, "time", time_buf);
66e19a38 1972 global = get_global_options();
0cf542af 1973 json_add_job_opts(root, "global options", &global->opt_list);
cc372b17
SL		 1974 array = json_create_array();
1975 json_object_add_value_array(root, "jobs", array);
1976 }
3c39a379 1977
0279b880
JA		 1978 if (is_backend)
1979 fio_server_send_job_options(&get_global_options()->opt_list, -1U);
1980
756867bd
JA		 1981 for (i = 0; i < nr_ts; i++) {
1982 ts = &threadstats[i];
1983 rs = &runstats[ts->groupid];
3c39a379 1984
0279b880
JA		 1985 if (is_backend) {
1986 fio_server_send_job_options(opt_lists[i], i);
a64e88da 1987 fio_server_send_ts(ts, rs);
0279b880 1988 } else {
129fb2d4 1989 if (output_format & FIO_OUTPUT_TERSE)
a666cab8 1990 show_thread_status_terse(ts, rs, &output[__FIO_OUTPUT_TERSE]);
129fb2d4 1991 if (output_format & FIO_OUTPUT_JSON) {
66e19a38 1992 struct json_object *tmp = show_thread_status_json(ts, rs, opt_lists[i]);
129fb2d4
JA		 1993 json_array_add_value_object(array, tmp);
1994 }
1995 if (output_format & FIO_OUTPUT_NORMAL)
a666cab8 1996 show_thread_status_normal(ts, rs, &output[__FIO_OUTPUT_NORMAL]);
129fb2d4 1997 }
3c39a379 1998 }
ab34ddd1 1999 if (!is_backend && (output_format & FIO_OUTPUT_JSON)) {
cc372b17 2000 /* disk util stats, if any */
a666cab8 2001 show_disk_util(1, root, &output[__FIO_OUTPUT_JSON]);
cc372b17 2002
a666cab8 2003 show_idle_prof_stats(FIO_OUTPUT_JSON, root, &output[__FIO_OUTPUT_JSON]);
f2a2ce0e 2004
a666cab8
JA		 2005 json_print_object(root, &output[__FIO_OUTPUT_JSON]);
2006 log_buf(&output[__FIO_OUTPUT_JSON], "\n");
cc372b17
SL		 2007 json_free_object(root);
2008 }
3c39a379 2009
72c27ff8
JA		 2010 for (i = 0; i < groupid + 1; i++) {
2011 rs = &runstats[i];
3c39a379 2012
72c27ff8 2013 rs->groupid = i;
d09a64a0 2014 if (is_backend)
72c27ff8 2015 fio_server_send_gs(rs);
129fb2d4 2016 else if (output_format & FIO_OUTPUT_NORMAL)
a666cab8 2017 show_group_stats(rs, &output[__FIO_OUTPUT_NORMAL]);
c6ae0a5b 2018 }
eecf272f 2019
72c27ff8
JA		 2020 if (is_backend)
2021 fio_server_send_du();
129fb2d4 2022 else if (output_format & FIO_OUTPUT_NORMAL) {
a666cab8
JA		 2023 show_disk_util(0, NULL, &output[__FIO_OUTPUT_NORMAL]);
2024 show_idle_prof_stats(FIO_OUTPUT_NORMAL, NULL, &output[__FIO_OUTPUT_NORMAL]);
60904003 2025 }
f2a2ce0e 2026
3d57c0e9 2027 for (i = 0; i < FIO_OUTPUT_NR; i++) {
3dc3aa41 2028 struct buf_output *out = &output[i];
8dd0eca3 2029
3dc3aa41 2030 log_info_buf(out->buf, out->buflen);
3dc3aa41 2031 buf_output_free(out);
3d57c0e9 2032 }
2b8c71b0 2033
7ceefc09
FS		 2034 fio_idle_prof_cleanup();
2035
fdd5f15f 2036 log_info_flush();
eecf272f 2037 free(runstats);
756867bd 2038 free(threadstats);
66e19a38 2039 free(opt_lists);
3c39a379
JA		 2040}
2041
5ddc6707 2042void __show_running_run_stats(void)
b852e7cf
JA		 2043{
2044 struct thread_data *td;
2045 unsigned long long *rt;
8b6a404c 2046 struct timespec ts;
b852e7cf
JA		 2047 int i;
2048
971caeb1 2049 fio_sem_down(stat_sem);
90811930 2050
b852e7cf 2051 rt = malloc(thread_number * sizeof(unsigned long long));
8b6a404c 2052 fio_gettime(&ts, NULL);
b852e7cf
JA		 2053
2054 for_each_td(td, i) {
c97f1ad6 2055 td->update_rusage = 1;
6eaf09d6
SL		 2056 td->ts.io_bytes[DDIR_READ] = td->io_bytes[DDIR_READ];
2057 td->ts.io_bytes[DDIR_WRITE] = td->io_bytes[DDIR_WRITE];
2058 td->ts.io_bytes[DDIR_TRIM] = td->io_bytes[DDIR_TRIM];
8b6a404c 2059 td->ts.total_run_time = mtime_since(&td->epoch, &ts);
6c041a88 2060
8b6a404c 2061 rt[i] = mtime_since(&td->start, &ts);
6c041a88 2062 if (td_read(td) && td->ts.io_bytes[DDIR_READ])
2063 td->ts.runtime[DDIR_READ] += rt[i];
2064 if (td_write(td) && td->ts.io_bytes[DDIR_WRITE])
2065 td->ts.runtime[DDIR_WRITE] += rt[i];
2066 if (td_trim(td) && td->ts.io_bytes[DDIR_TRIM])
2067 td->ts.runtime[DDIR_TRIM] += rt[i];
b852e7cf
JA		 2068 }
2069
c97f1ad6 2070 for_each_td(td, i) {
fda2cfac
JA		 2071 if (td->runstate >= TD_EXITED)
2072 continue;
c97f1ad6
JA		 2073 if (td->rusage_sem) {
2074 td->update_rusage = 1;
971caeb1 2075 fio_sem_down(td->rusage_sem);
c97f1ad6
JA		 2076 }
2077 td->update_rusage = 0;
2078 }
2079
cef9175e 2080 __show_run_stats();
b852e7cf
JA		 2081
2082 for_each_td(td, i) {
6c041a88 2083 if (td_read(td) && td->ts.io_bytes[DDIR_READ])
b852e7cf 2084 td->ts.runtime[DDIR_READ] -= rt[i];
6c041a88 2085 if (td_write(td) && td->ts.io_bytes[DDIR_WRITE])
b852e7cf 2086 td->ts.runtime[DDIR_WRITE] -= rt[i];
6c041a88 2087 if (td_trim(td) && td->ts.io_bytes[DDIR_TRIM])
6eaf09d6 2088 td->ts.runtime[DDIR_TRIM] -= rt[i];
b852e7cf
JA		 2089 }
2090
2091 free(rt);
971caeb1 2092 fio_sem_up(stat_sem);
b852e7cf
JA		 2093}
2094
8985b491 2095static bool status_interval_init;
8b6a404c 2096static struct timespec status_time;
8985b491 2097static bool status_file_disabled;
06464907 2098
dac45f23 2099#define FIO_STATUS_FILE "fio-dump-status"
06464907
JA		 2100
2101static int check_status_file(void)
2102{
2103 struct stat sb;
a0bafb7d
BC		 2104 const char *temp_dir;
2105 char fio_status_file_path[PATH_MAX];
06464907 2106
77d99675
JA		 2107 if (status_file_disabled)
2108 return 0;
2109
a0bafb7d 2110 temp_dir = getenv("TMPDIR");
48b16e27 2111 if (temp_dir == NULL) {
a0bafb7d 2112 temp_dir = getenv("TEMP");
48b16e27
JA		 2113 if (temp_dir && strlen(temp_dir) >= PATH_MAX)
2114 temp_dir = NULL;
2115 }
a0bafb7d
BC		 2116 if (temp_dir == NULL)
2117 temp_dir = "/tmp";
2118
2119 snprintf(fio_status_file_path, sizeof(fio_status_file_path), "%s/%s", temp_dir, FIO_STATUS_FILE);
2120
2121 if (stat(fio_status_file_path, &sb))
06464907
JA		 2122 return 0;
2123
77d99675
JA		 2124 if (unlink(fio_status_file_path) < 0) {
2125 log_err("fio: failed to unlink %s: %s\n", fio_status_file_path,
2126 strerror(errno));
2127 log_err("fio: disabling status file updates\n");
8985b491 2128 status_file_disabled = true;
77d99675
JA		 2129 }
2130
06464907
JA		 2131 return 1;
2132}
2133
2134void check_for_running_stats(void)
2135{
2136 if (status_interval) {
2137 if (!status_interval_init) {
2138 fio_gettime(&status_time, NULL);
8985b491 2139 status_interval_init = true;
06464907
JA		 2140 } else if (mtime_since_now(&status_time) >= status_interval) {
2141 show_running_run_stats();
2142 fio_gettime(&status_time, NULL);
2143 return;
2144 }
2145 }
2146 if (check_status_file()) {
2147 show_running_run_stats();
2148 return;
2149 }
2150}
2151
d6bb626e 2152static inline void add_stat_sample(struct io_stat *is, unsigned long long data)
3c39a379 2153{
68704084 2154 double val = data;
6660cc67 2155 double delta;
68704084
JA		 2156
2157 if (data > is->max_val)
2158 is->max_val = data;
2159 if (data < is->min_val)
2160 is->min_val = data;
2161
802ad4a8 2162 delta = val - is->mean.u.f;
ef11d737 2163 if (delta) {
802ad4a8
JA		 2164 is->mean.u.f += delta / (is->samples + 1.0);
2165 is->S.u.f += delta * (val - is->mean.u.f);
ef11d737 2166 }
3c39a379 2167
3c39a379
JA		 2168 is->samples++;
2169}
2170
7e419452
JA		 2171/*
2172 * Return a struct io_logs, which is added to the tail of the log
2173 * list for 'iolog'.
2174 */
2175static struct io_logs *get_new_log(struct io_log *iolog)
2176{
2177 size_t new_size, new_samples;
2178 struct io_logs *cur_log;
2179
2180 /*
2181 * Cap the size at MAX_LOG_ENTRIES, so we don't keep doubling
2182 * forever
2183 */
2184 if (!iolog->cur_log_max)
2185 new_samples = DEF_LOG_ENTRIES;
2186 else {
2187 new_samples = iolog->cur_log_max * 2;
2188 if (new_samples > MAX_LOG_ENTRIES)
2189 new_samples = MAX_LOG_ENTRIES;
2190 }
2191
7e419452 2192 new_size = new_samples * log_entry_sz(iolog);
7e419452 2193
90d2d53f 2194 cur_log = smalloc(sizeof(*cur_log));
7e419452
JA		 2195 if (cur_log) {
2196 INIT_FLIST_HEAD(&cur_log->list);
2197 cur_log->log = malloc(new_size);
2198 if (cur_log->log) {
2199 cur_log->nr_samples = 0;
2200 cur_log->max_samples = new_samples;
2201 flist_add_tail(&cur_log->list, &iolog->io_logs);
2202 iolog->cur_log_max = new_samples;
2203 return cur_log;
2204 }
90d2d53f 2205 sfree(cur_log);
7e419452
JA		 2206 }
2207
2208 return NULL;
2209}
2210
1fed2080
JA		 2211/*
2212 * Add and return a new log chunk, or return current log if big enough
2213 */
2214static struct io_logs *regrow_log(struct io_log *iolog)
7e419452
JA		 2215{
2216 struct io_logs *cur_log;
1fed2080 2217 int i;
7e419452 2218
1fed2080 2219 if (!iolog || iolog->disabled)
2ab71dc4 2220 goto disable;
7e419452 2221
1fed2080 2222 cur_log = iolog_cur_log(iolog);
a9afa45a
JA		 2223 if (!cur_log) {
2224 cur_log = get_new_log(iolog);
2225 if (!cur_log)
2226 return NULL;
2227 }
2228
7e419452
JA		 2229 if (cur_log->nr_samples < cur_log->max_samples)
2230 return cur_log;
2231
2232 /*
2233 * No room for a new sample. If we're compressing on the fly, flush
2234 * out the current chunk
2235 */
2236 if (iolog->log_gz) {
2237 if (iolog_cur_flush(iolog, cur_log)) {
2238 log_err("fio: failed flushing iolog! Will stop logging.\n");
2239 return NULL;
2240 }
2241 }
2242
2243 /*
2244 * Get a new log array, and add to our list
2245 */
2246 cur_log = get_new_log(iolog);
1fed2080
JA		 2247 if (!cur_log) {
2248 log_err("fio: failed extending iolog! Will stop logging.\n");
2249 return NULL;
2250 }
2251
2252 if (!iolog->pending || !iolog->pending->nr_samples)
80a24ba9 2253 return cur_log;
7e419452 2254
1fed2080
JA		 2255 /*
2256 * Flush pending items to new log
2257 */
2258 for (i = 0; i < iolog->pending->nr_samples; i++) {
2259 struct io_sample *src, *dst;
2260
2261 src = get_sample(iolog, iolog->pending, i);
2262 dst = get_sample(iolog, cur_log, i);
2263 memcpy(dst, src, log_entry_sz(iolog));
2264 }
0b2eef49 2265 cur_log->nr_samples = iolog->pending->nr_samples;
1fed2080
JA		 2266
2267 iolog->pending->nr_samples = 0;
2268 return cur_log;
2ab71dc4
JA		 2269disable:
2270 if (iolog)
2271 iolog->disabled = true;
2272 return NULL;
1fed2080
JA		 2273}
2274
2275void regrow_logs(struct thread_data *td)
2276{
2ab71dc4
JA		 2277 regrow_log(td->slat_log);
2278 regrow_log(td->clat_log);
1e613c9c 2279 regrow_log(td->clat_hist_log);
2ab71dc4
JA		 2280 regrow_log(td->lat_log);
2281 regrow_log(td->bw_log);
2282 regrow_log(td->iops_log);
1fed2080
JA		 2283 td->flags &= ~TD_F_REGROW_LOGS;
2284}
2285
2286static struct io_logs *get_cur_log(struct io_log *iolog)
2287{
2288 struct io_logs *cur_log;
2289
2290 cur_log = iolog_cur_log(iolog);
2291 if (!cur_log) {
2292 cur_log = get_new_log(iolog);
2293 if (!cur_log)
2294 return NULL;
2295 }
2296
2297 if (cur_log->nr_samples < cur_log->max_samples)
2298 return cur_log;
2299
2300 /*
1eb467fb
JA		 2301 * Out of space. If we're in IO offload mode, or we're not doing
2302 * per unit logging (hence logging happens outside of the IO thread
2303 * as well), add a new log chunk inline. If we're doing inline
2304 * submissions, flag 'td' as needing a log regrow and we'll take
2305 * care of it on the submission side.
1fed2080 2306 */
ab5643cb 2307 if ((iolog->td && iolog->td->o.io_submit_mode == IO_MODE_OFFLOAD) ||
1eb467fb 2308 !per_unit_log(iolog))
1fed2080
JA		 2309 return regrow_log(iolog);
2310
ab5643cb
IK		 2311 if (iolog->td)
2312 iolog->td->flags |= TD_F_REGROW_LOGS;
2313 if (iolog->pending)
2314 assert(iolog->pending->nr_samples < iolog->pending->max_samples);
1fed2080 2315 return iolog->pending;
7e419452
JA		 2316}
2317
af2fde19 2318static void __add_log_sample(struct io_log *iolog, union io_sample_data data,
5fff9543 2319 enum fio_ddir ddir, unsigned long long bs,
ae588852 2320 unsigned long t, uint64_t offset)
3c39a379 2321{
7e419452 2322 struct io_logs *cur_log;
306ddc97 2323
3c568239
JA		 2324 if (iolog->disabled)
2325 return;
7e419452 2326 if (flist_empty(&iolog->io_logs))
8355119b 2327 iolog->avg_last[ddir] = t;
b8bc8cba 2328
7e419452
JA		 2329 cur_log = get_cur_log(iolog);
2330 if (cur_log) {
2331 struct io_sample *s;
3c39a379 2332
7e419452 2333 s = get_sample(iolog, cur_log, cur_log->nr_samples);
3c39a379 2334
af2fde19 2335 s->data = data;
a9179eeb 2336 s->time = t + (iolog->td ? iolog->td->unix_epoch : 0);
7e419452
JA		 2337 io_sample_set_ddir(iolog, s, ddir);
2338 s->bs = bs;
ae588852 2339
7e419452
JA		 2340 if (iolog->log_offset) {
2341 struct io_sample_offset *so = (void *) s;
ae588852 2342
7e419452
JA		 2343 so->offset = offset;
2344 }
ae588852 2345
7e419452
JA		 2346 cur_log->nr_samples++;
2347 return;
ae588852
JA		 2348 }
2349
7e419452 2350 iolog->disabled = true;
3c39a379
JA		 2351}
2352
7fb28d36
JA		 2353static inline void reset_io_stat(struct io_stat *ios)
2354{
5b8f19b7
JA		 2355 ios->min_val = -1ULL;
2356 ios->max_val = ios->samples = 0;
7fb28d36
JA		 2357 ios->mean.u.f = ios->S.u.f = 0;
2358}
2359
6bb58215
JA		 2360void reset_io_stats(struct thread_data *td)
2361{
2362 struct thread_stat *ts = &td->ts;
2363 int i, j;
2364
2365 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
2366 reset_io_stat(&ts->clat_stat[i]);
2367 reset_io_stat(&ts->slat_stat[i]);
2368 reset_io_stat(&ts->lat_stat[i]);
2369 reset_io_stat(&ts->bw_stat[i]);
2370 reset_io_stat(&ts->iops_stat[i]);
2371
2372 ts->io_bytes[i] = 0;
2373 ts->runtime[i] = 0;
71cb78c1
VF		 2374 ts->total_io_u[i] = 0;
2375 ts->short_io_u[i] = 0;
2376 ts->drop_io_u[i] = 0;
6bb58215 2377
b2b3eefe 2378 for (j = 0; j < FIO_IO_U_PLAT_NR; j++) {
6bb58215 2379 ts->io_u_plat[i][j] = 0;
b2b3eefe
JA		 2380 if (!i)
2381 ts->io_u_sync_plat[j] = 0;
2382 }
6bb58215
JA		 2383 }
2384
7f3ecee2
JA		 2385 ts->total_io_u[DDIR_SYNC] = 0;
2386
6bb58215
JA		 2387 for (i = 0; i < FIO_IO_U_MAP_NR; i++) {
2388 ts->io_u_map[i] = 0;
2389 ts->io_u_submit[i] = 0;
2390 ts->io_u_complete[i] = 0;
71cb78c1
VF		 2391 }
2392
d6bb626e
VF		 2393 for (i = 0; i < FIO_IO_U_LAT_N_NR; i++)
2394 ts->io_u_lat_n[i] = 0;
71cb78c1 2395 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++)
6bb58215 2396 ts->io_u_lat_u[i] = 0;
71cb78c1 2397 for (i = 0; i < FIO_IO_U_LAT_M_NR; i++)
6bb58215 2398 ts->io_u_lat_m[i] = 0;
6bb58215 2399
71cb78c1
VF		 2400 ts->total_submit = 0;
2401 ts->total_complete = 0;
fd5d733f 2402 ts->nr_zone_resets = 0;
96563db9 2403 ts->cachehit = ts->cachemiss = 0;
6bb58215
JA		 2404}
2405
d96d3bb3 2406static void __add_stat_to_log(struct io_log *iolog, enum fio_ddir ddir,
e6989e10 2407 unsigned long elapsed, bool log_max)
99007068
PO		 2408{
2409 /*
2410 * Note an entry in the log. Use the mean from the logged samples,
2411 * making sure to properly round up. Only write a log entry if we
2412 * had actual samples done.
2413 */
d96d3bb3 2414 if (iolog->avg_window[ddir].samples) {
af2fde19 2415 union io_sample_data data;
99007068 2416
e6989e10 2417 if (log_max)
af2fde19 2418 data.val = iolog->avg_window[ddir].max_val;
e6989e10 2419 else
af2fde19 2420 data.val = iolog->avg_window[ddir].mean.u.f + 0.50;
e6989e10 2421
af2fde19 2422 __add_log_sample(iolog, data, ddir, 0, elapsed, 0);
99007068 2423 }
99007068 2424
d96d3bb3
JA		 2425 reset_io_stat(&iolog->avg_window[ddir]);
2426}
99007068 2427
e6989e10
JA		 2428static void _add_stat_to_log(struct io_log *iolog, unsigned long elapsed,
2429 bool log_max)
d96d3bb3
JA		 2430{
2431 int ddir;
99007068 2432
d96d3bb3 2433 for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++)
e6989e10 2434 __add_stat_to_log(iolog, ddir, elapsed, log_max);
99007068
PO		 2435}
2436
674456bf
JF		 2437static unsigned long add_log_sample(struct thread_data *td,
2438 struct io_log *iolog,
2439 union io_sample_data data,
5fff9543 2440 enum fio_ddir ddir, unsigned long long bs,
674456bf 2441 uint64_t offset)
bb3884d8 2442{
7fb28d36 2443 unsigned long elapsed, this_window;
b8bc8cba 2444
ff58fced 2445 if (!ddir_rw(ddir))
d454a205 2446 return 0;
ff58fced 2447
b8bc8cba
JA		 2448 elapsed = mtime_since_now(&td->epoch);
2449
2450 /*
2451 * If no time averaging, just add the log sample.
2452 */
2453 if (!iolog->avg_msec) {
af2fde19 2454 __add_log_sample(iolog, data, ddir, bs, elapsed, offset);
d454a205 2455 return 0;
b8bc8cba
JA		 2456 }
2457
2458 /*
2459 * Add the sample. If the time period has passed, then
2460 * add that entry to the log and clear.
2461 */
af2fde19 2462 add_stat_sample(&iolog->avg_window[ddir], data.val);
b8bc8cba 2463
7fb28d36
JA		 2464 /*
2465 * If period hasn't passed, adding the above sample is all we
2466 * need to do.
2467 */
8355119b
SW		 2468 this_window = elapsed - iolog->avg_last[ddir];
2469 if (elapsed < iolog->avg_last[ddir])
2470 return iolog->avg_last[ddir] - elapsed;
f5a568cf 2471 else if (this_window < iolog->avg_msec) {
674456bf 2472 unsigned long diff = iolog->avg_msec - this_window;
d454a205 2473
b392f36d 2474 if (inline_log(iolog) || diff > LOG_MSEC_SLACK)
d454a205
JA		 2475 return diff;
2476 }
b8bc8cba 2477
8355119b 2478 __add_stat_to_log(iolog, ddir, elapsed, td->o.log_max != 0);
b8bc8cba 2479
8355119b 2480 iolog->avg_last[ddir] = elapsed - (this_window - iolog->avg_msec);
d454a205 2481 return iolog->avg_msec;
99007068 2482}
6eaf09d6 2483
a47591e4 2484void finalize_logs(struct thread_data *td, bool unit_logs)
99007068
PO		 2485{
2486 unsigned long elapsed;
6eaf09d6 2487
99007068 2488 elapsed = mtime_since_now(&td->epoch);
b8bc8cba 2489
a47591e4 2490 if (td->clat_log && unit_logs)
e6989e10 2491 _add_stat_to_log(td->clat_log, elapsed, td->o.log_max != 0);
a47591e4 2492 if (td->slat_log && unit_logs)
e6989e10 2493 _add_stat_to_log(td->slat_log, elapsed, td->o.log_max != 0);
a47591e4 2494 if (td->lat_log && unit_logs)
e6989e10 2495 _add_stat_to_log(td->lat_log, elapsed, td->o.log_max != 0);
a47591e4 2496 if (td->bw_log && (unit_logs == per_unit_log(td->bw_log)))
e6989e10 2497 _add_stat_to_log(td->bw_log, elapsed, td->o.log_max != 0);
a47591e4 2498 if (td->iops_log && (unit_logs == per_unit_log(td->iops_log)))
e6989e10 2499 _add_stat_to_log(td->iops_log, elapsed, td->o.log_max != 0);
bb3884d8
JA		 2500}
2501
5fff9543 2502void add_agg_sample(union io_sample_data data, enum fio_ddir ddir, unsigned long long bs)
bb3884d8 2503{
ff58fced 2504 struct io_log *iolog;
bb3884d8 2505
ff58fced
JA		 2506 if (!ddir_rw(ddir))
2507 return;
2508
2509 iolog = agg_io_log[ddir];
af2fde19 2510 __add_log_sample(iolog, data, ddir, bs, mtime_since_genesis(), 0);
bb3884d8
JA		 2511}
2512
b2b3eefe
JA		 2513void add_sync_clat_sample(struct thread_stat *ts, unsigned long long nsec)
2514{
2515 unsigned int idx = plat_val_to_idx(nsec);
2516 assert(idx < FIO_IO_U_PLAT_NR);
2517
2518 ts->io_u_sync_plat[idx]++;
2519 add_stat_sample(&ts->sync_stat, nsec);
2520}
2521
83349190 2522static void add_clat_percentile_sample(struct thread_stat *ts,
d6bb626e 2523 unsigned long long nsec, enum fio_ddir ddir)
83349190 2524{
d6bb626e 2525 unsigned int idx = plat_val_to_idx(nsec);
83349190
YH		 2526 assert(idx < FIO_IO_U_PLAT_NR);
2527
2528 ts->io_u_plat[ddir][idx]++;
2529}
2530
1e97cce9 2531void add_clat_sample(struct thread_data *td, enum fio_ddir ddir,
5fff9543
JF		 2532 unsigned long long nsec, unsigned long long bs,
2533 uint64_t offset)
3c39a379 2534{
26b3a188 2535 const bool needs_lock = td_async_processing(td);
1e613c9c 2536 unsigned long elapsed, this_window;
756867bd 2537 struct thread_stat *ts = &td->ts;
1e613c9c 2538 struct io_log *iolog = td->clat_hist_log;
079ad09b 2539
26b3a188
JA		 2540 if (needs_lock)
2541 __td_io_u_lock(td);
75dc383e 2542
d6bb626e 2543 add_stat_sample(&ts->clat_stat[ddir], nsec);
3c39a379 2544
7b9f733a 2545 if (td->clat_log)
d6bb626e 2546 add_log_sample(td, td->clat_log, sample_val(nsec), ddir, bs,
af2fde19 2547 offset);
83349190
YH		 2548
2549 if (ts->clat_percentiles)
d6bb626e 2550 add_clat_percentile_sample(ts, nsec, ddir);
75dc383e 2551
1e613c9c 2552 if (iolog && iolog->hist_msec) {
93168285
JA		 2553 struct io_hist *hw = &iolog->hist_window[ddir];
2554
2555 hw->samples++;
1e613c9c 2556 elapsed = mtime_since_now(&td->epoch);
93168285 2557 if (!hw->hist_last)
1e613c9c
KC		 2558 hw->hist_last = elapsed;
2559 this_window = elapsed - hw->hist_last;
2560
2561 if (this_window >= iolog->hist_msec) {
6cc0e5aa 2562 uint64_t *io_u_plat;
65a4d15c 2563 struct io_u_plat_entry *dst;
93168285 2564
1e613c9c 2565 /*
93168285
JA		 2566 * Make a byte-for-byte copy of the latency histogram
2567 * stored in td->ts.io_u_plat[ddir], recording it in a
2568 * log sample. Note that the matching call to free() is
2569 * located in iolog.c after printing this sample to the
2570 * log file.
1e613c9c 2571 */
6cc0e5aa 2572 io_u_plat = (uint64_t *) td->ts.io_u_plat[ddir];
65a4d15c
KC		 2573 dst = malloc(sizeof(struct io_u_plat_entry));
2574 memcpy(&(dst->io_u_plat), io_u_plat,
93168285 2575 FIO_IO_U_PLAT_NR * sizeof(unsigned int));
d730bc58 2576 flist_add(&dst->list, &hw->list);
af2fde19 2577 __add_log_sample(iolog, sample_plat(dst), ddir, bs,
93168285 2578 elapsed, offset);
1e613c9c
KC		 2579
2580 /*
93168285
JA		 2581 * Update the last time we recorded as being now, minus
2582 * any drift in time we encountered before actually
2583 * making the record.
1e613c9c
KC		 2584 */
2585 hw->hist_last = elapsed - (this_window - iolog->hist_msec);
2586 hw->samples = 0;
2587 }
2588 }
2589
26b3a188
JA		 2590 if (needs_lock)
2591 __td_io_u_unlock(td);
3c39a379
JA		 2592}
2593
1e97cce9 2594void add_slat_sample(struct thread_data *td, enum fio_ddir ddir,
5fff9543 2595 unsigned long usec, unsigned long long bs, uint64_t offset)
3c39a379 2596{
26b3a188 2597 const bool needs_lock = td_async_processing(td);
756867bd 2598 struct thread_stat *ts = &td->ts;
079ad09b 2599
ff58fced
JA		 2600 if (!ddir_rw(ddir))
2601 return;
2602
26b3a188
JA		 2603 if (needs_lock)
2604 __td_io_u_lock(td);
75dc383e 2605
d85f5118 2606 add_stat_sample(&ts->slat_stat[ddir], usec);
3c39a379 2607
7b9f733a 2608 if (td->slat_log)
af2fde19 2609 add_log_sample(td, td->slat_log, sample_val(usec), ddir, bs, offset);
75dc383e 2610
26b3a188
JA		 2611 if (needs_lock)
2612 __td_io_u_unlock(td);
3c39a379
JA		 2613}
2614
02af0988 2615void add_lat_sample(struct thread_data *td, enum fio_ddir ddir,
5fff9543
JF		 2616 unsigned long long nsec, unsigned long long bs,
2617 uint64_t offset)
02af0988 2618{
26b3a188 2619 const bool needs_lock = td_async_processing(td);
02af0988
JA		 2620 struct thread_stat *ts = &td->ts;
2621
ff58fced
JA		 2622 if (!ddir_rw(ddir))
2623 return;
2624
26b3a188
JA		 2625 if (needs_lock)
2626 __td_io_u_lock(td);
75dc383e 2627
d6bb626e 2628 add_stat_sample(&ts->lat_stat[ddir], nsec);
02af0988 2629
7b9f733a 2630 if (td->lat_log)
d6bb626e 2631 add_log_sample(td, td->lat_log, sample_val(nsec), ddir, bs,
af2fde19 2632 offset);
75dc383e 2633
b599759b
JA		 2634 if (ts->lat_percentiles)
2635 add_clat_percentile_sample(ts, nsec, ddir);
2636
26b3a188
JA		 2637 if (needs_lock)
2638 __td_io_u_unlock(td);
02af0988
JA		 2639}
2640
a47591e4 2641void add_bw_sample(struct thread_data *td, struct io_u *io_u,
d6bb626e 2642 unsigned int bytes, unsigned long long spent)
a47591e4 2643{
26b3a188 2644 const bool needs_lock = td_async_processing(td);
a47591e4
JA		 2645 struct thread_stat *ts = &td->ts;
2646 unsigned long rate;
2647
2648 if (spent)
d6bb626e 2649 rate = (unsigned long) (bytes * 1000000ULL / spent);
a47591e4
JA		 2650 else
2651 rate = 0;
2652
26b3a188
JA		 2653 if (needs_lock)
2654 __td_io_u_lock(td);
a47591e4
JA		 2655
2656 add_stat_sample(&ts->bw_stat[io_u->ddir], rate);
2657
2658 if (td->bw_log)
af2fde19
SW		 2659 add_log_sample(td, td->bw_log, sample_val(rate), io_u->ddir,
2660 bytes, io_u->offset);
a47591e4
JA		 2661
2662 td->stat_io_bytes[io_u->ddir] = td->this_io_bytes[io_u->ddir];
26b3a188
JA		 2663
2664 if (needs_lock)
2665 __td_io_u_unlock(td);
a47591e4
JA		 2666}
2667
8b6a404c
VF		 2668static int __add_samples(struct thread_data *td, struct timespec *parent_tv,
2669 struct timespec *t, unsigned int avg_time,
4843277a
JA		 2670 uint64_t *this_io_bytes, uint64_t *stat_io_bytes,
2671 struct io_stat *stat, struct io_log *log,
2672 bool is_kb)
3c39a379 2673{
26b3a188 2674 const bool needs_lock = td_async_processing(td);
ff58fced 2675 unsigned long spent, rate;
a47591e4 2676 enum fio_ddir ddir;
674456bf 2677 unsigned long next, next_log;
d454a205 2678
4843277a 2679 next_log = avg_time;
ff58fced 2680
4843277a
JA		 2681 spent = mtime_since(parent_tv, t);
2682 if (spent < avg_time && avg_time - spent >= LOG_MSEC_SLACK)
2683 return avg_time - spent;
9602d8df 2684
26b3a188
JA		 2685 if (needs_lock)
2686 __td_io_u_lock(td);
a9da8ab2 2687
9602d8df 2688 /*
5daa4ebe
JC		 2689 * Compute both read and write rates for the interval.
2690 */
c1f50f76 2691 for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++) {
5daa4ebe
JC		 2692 uint64_t delta;
2693
4843277a 2694 delta = this_io_bytes[ddir] - stat_io_bytes[ddir];
5daa4ebe
JC		 2695 if (!delta)
2696 continue; /* No entries for interval */
3c39a379 2697
4843277a
JA		 2698 if (spent) {
2699 if (is_kb)
2700 rate = delta * 1000 / spent / 1024; /* KiB/s */
2701 else
2702 rate = (delta * 1000) / spent;
2703 } else
0956264f
JA		 2704 rate = 0;
2705
4843277a 2706 add_stat_sample(&stat[ddir], rate);
3c39a379 2707
37181709 2708 if (log) {
5fff9543 2709 unsigned long long bs = 0;
66b98c9f
JA		 2710
2711 if (td->o.min_bs[ddir] == td->o.max_bs[ddir])
2712 bs = td->o.min_bs[ddir];
2713
4843277a 2714 next = add_log_sample(td, log, sample_val(rate), ddir, bs, 0);
d454a205 2715 next_log = min(next_log, next);
66b98c9f 2716 }
5daa4ebe 2717
4843277a 2718 stat_io_bytes[ddir] = this_io_bytes[ddir];
5daa4ebe 2719 }
3c39a379 2720
8b6a404c 2721 timespec_add_msec(parent_tv, avg_time);
a47591e4 2722
26b3a188
JA		 2723 if (needs_lock)
2724 __td_io_u_unlock(td);
a47591e4 2725
4843277a
JA		 2726 if (spent <= avg_time)
2727 next = avg_time;
306fea38 2728 else
4843277a 2729 next = avg_time - (1 + spent - avg_time);
a47591e4 2730
d454a205 2731 return min(next, next_log);
a47591e4
JA		 2732}
2733
8b6a404c 2734static int add_bw_samples(struct thread_data *td, struct timespec *t)
4843277a
JA		 2735{
2736 return __add_samples(td, &td->bw_sample_time, t, td->o.bw_avg_time,
2737 td->this_io_bytes, td->stat_io_bytes,
2738 td->ts.bw_stat, td->bw_log, true);
2739}
2740
a47591e4
JA		 2741void add_iops_sample(struct thread_data *td, struct io_u *io_u,
2742 unsigned int bytes)
2743{
26b3a188 2744 const bool needs_lock = td_async_processing(td);
a47591e4
JA		 2745 struct thread_stat *ts = &td->ts;
2746
26b3a188
JA		 2747 if (needs_lock)
2748 __td_io_u_lock(td);
a47591e4
JA		 2749
2750 add_stat_sample(&ts->iops_stat[io_u->ddir], 1);
2751
2752 if (td->iops_log)
af2fde19
SW		 2753 add_log_sample(td, td->iops_log, sample_val(1), io_u->ddir,
2754 bytes, io_u->offset);
a47591e4
JA		 2755
2756 td->stat_io_blocks[io_u->ddir] = td->this_io_blocks[io_u->ddir];
26b3a188
JA		 2757
2758 if (needs_lock)
2759 __td_io_u_unlock(td);
3c39a379 2760}
c8eeb9df 2761
8b6a404c 2762static int add_iops_samples(struct thread_data *td, struct timespec *t)
c8eeb9df 2763{
4843277a
JA		 2764 return __add_samples(td, &td->iops_sample_time, t, td->o.iops_avg_time,
2765 td->this_io_blocks, td->stat_io_blocks,
2766 td->ts.iops_stat, td->iops_log, false);
a47591e4
JA		 2767}
2768
2769/*
2770 * Returns msecs to next event
2771 */
2772int calc_log_samples(void)
2773{
2774 struct thread_data *td;
2775 unsigned int next = ~0U, tmp;
8b6a404c 2776 struct timespec now;
a47591e4
JA		 2777 int i;
2778
2779 fio_gettime(&now, NULL);
2780
2781 for_each_td(td, i) {
8243be59
JA		 2782 if (!td->o.stats)
2783 continue;
6a89b401 2784 if (in_ramp_time(td) ||
a47591e4
JA		 2785 !(td->runstate == TD_RUNNING || td->runstate == TD_VERIFYING)) {
2786 next = min(td->o.iops_avg_time, td->o.bw_avg_time);
2787 continue;
2788 }
37181709
AH		 2789 if (!td->bw_log ||
2790 (td->bw_log && !per_unit_log(td->bw_log))) {
a47591e4
JA		 2791 tmp = add_bw_samples(td, &now);
2792 if (tmp < next)
2793 next = tmp;
2794 }
37181709
AH		 2795 if (!td->iops_log ||
2796 (td->iops_log && !per_unit_log(td->iops_log))) {
a47591e4
JA		 2797 tmp = add_iops_samples(td, &now);
2798 if (tmp < next)
2799 next = tmp;
2800 }
2801 }
2802
2803 return next == ~0U ? 0 : next;
c8eeb9df 2804}
cef9175e
JA		 2805
2806void stat_init(void)
2807{
971caeb1 2808 stat_sem = fio_sem_init(FIO_SEM_UNLOCKED);
cef9175e
JA		 2809}
2810
2811void stat_exit(void)
2812{
2813 /*
2814 * When we have the mutex, we know out-of-band access to it
2815 * have ended.
2816 */
971caeb1
BVA		 2817 fio_sem_down(stat_sem);
2818 fio_sem_remove(stat_sem);
cef9175e 2819}
b2ee7647 2820
b2ee7647
JA		 2821/*
2822 * Called from signal handler. Wake up status thread.
2823 */
2824void show_running_run_stats(void)
2825{
a47591e4 2826 helper_do_stat();
b2ee7647 2827}
66347cfa
DE		 2828
2829uint32_t *io_u_block_info(struct thread_data *td, struct io_u *io_u)
2830{
2831 /* Ignore io_u's which span multiple blocks--they will just get
2832 * inaccurate counts. */
2833 int idx = (io_u->offset - io_u->file->file_offset)
2834 / td->o.bs[DDIR_TRIM];
2835 uint32_t *info = &td->ts.block_infos[idx];
2836 assert(idx < td->ts.nr_block_infos);
2837 return info;
2838}
fio - Flexible IO Tester