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Include "oslib/asprintf.h" where necessary
[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"
f5bff36e 18#include "oslib/asprintf.h"
3c39a379 19
674456bf 20#define LOG_MSEC_SLACK 1
d454a205 21
971caeb1 22struct fio_sem *stat_sem;
cef9175e 23
210dd0fc
JA		 24void clear_rusage_stat(struct thread_data *td)
25{
26 struct thread_stat *ts = &td->ts;
27
28 fio_getrusage(&td->ru_start);
29 ts->usr_time = ts->sys_time = 0;
30 ts->ctx = 0;
31 ts->minf = ts->majf = 0;
32}
33
3c39a379
JA		 34void update_rusage_stat(struct thread_data *td)
35{
756867bd 36 struct thread_stat *ts = &td->ts;
3c39a379 37
44404c5a 38 fio_getrusage(&td->ru_end);
8b6a404c 39 ts->usr_time += mtime_since_tv(&td->ru_start.ru_utime,
c8aaba19 40 &td->ru_end.ru_utime);
8b6a404c 41 ts->sys_time += mtime_since_tv(&td->ru_start.ru_stime,
c8aaba19
JA		 42 &td->ru_end.ru_stime);
43 ts->ctx += td->ru_end.ru_nvcsw + td->ru_end.ru_nivcsw
44 - (td->ru_start.ru_nvcsw + td->ru_start.ru_nivcsw);
45 ts->minf += td->ru_end.ru_minflt - td->ru_start.ru_minflt;
46 ts->majf += td->ru_end.ru_majflt - td->ru_start.ru_majflt;
5ec10eaa 47
c8aaba19 48 memcpy(&td->ru_start, &td->ru_end, sizeof(td->ru_end));
3c39a379
JA		 49}
50
83349190
YH		 51/*
52 * Given a latency, return the index of the corresponding bucket in
53 * the structure tracking percentiles.
54 *
55 * (1) find the group (and error bits) that the value (latency)
56 * belongs to by looking at its MSB. (2) find the bucket number in the
57 * group by looking at the index bits.
58 *
59 */
d6bb626e 60static unsigned int plat_val_to_idx(unsigned long long val)
83349190
YH		 61{
62 unsigned int msb, error_bits, base, offset, idx;
63
64 /* Find MSB starting from bit 0 */
65 if (val == 0)
66 msb = 0;
67 else
d6bb626e 68 msb = (sizeof(val)*8) - __builtin_clzll(val) - 1;
83349190 69
716050f2
JA		 70 /*
71 * MSB <= (FIO_IO_U_PLAT_BITS-1), cannot be rounded off. Use
72 * all bits of the sample as index
73 */
83349190
YH		 74 if (msb <= FIO_IO_U_PLAT_BITS)
75 return val;
76
77 /* Compute the number of error bits to discard*/
78 error_bits = msb - FIO_IO_U_PLAT_BITS;
79
80 /* Compute the number of buckets before the group */
81 base = (error_bits + 1) << FIO_IO_U_PLAT_BITS;
82
716050f2
JA		 83 /*
84 * Discard the error bits and apply the mask to find the
3c3ed070 85 * index for the buckets in the group
716050f2 86 */
83349190
YH		 87 offset = (FIO_IO_U_PLAT_VAL - 1) & (val >> error_bits);
88
89 /* Make sure the index does not exceed (array size - 1) */
3c3ed070 90 idx = (base + offset) < (FIO_IO_U_PLAT_NR - 1) ?
83349190
YH		 91 (base + offset) : (FIO_IO_U_PLAT_NR - 1);
92
93 return idx;
94}
95
96/*
97 * Convert the given index of the bucket array to the value
98 * represented by the bucket
99 */
129e4193 100static unsigned long long plat_idx_to_val(unsigned int idx)
83349190 101{
c8b44cfa
RL		 102 unsigned int error_bits;
103 unsigned long long k, base;
83349190
YH		 104
105 assert(idx < FIO_IO_U_PLAT_NR);
106
107 /* MSB <= (FIO_IO_U_PLAT_BITS-1), cannot be rounded off. Use
108 * all bits of the sample as index */
3c3ed070 109 if (idx < (FIO_IO_U_PLAT_VAL << 1))
83349190
YH		 110 return idx;
111
112 /* Find the group and compute the minimum value of that group */
3c3ed070 113 error_bits = (idx >> FIO_IO_U_PLAT_BITS) - 1;
c8b44cfa 114 base = ((unsigned long long) 1) << (error_bits + FIO_IO_U_PLAT_BITS);
83349190
YH		 115
116 /* Find its bucket number of the group */
117 k = idx % FIO_IO_U_PLAT_VAL;
118
119 /* Return the mean of the range of the bucket */
120 return base + ((k + 0.5) * (1 << error_bits));
121}
122
123static int double_cmp(const void *a, const void *b)
124{
802ad4a8
JA		 125 const fio_fp64_t fa = *(const fio_fp64_t *) a;
126 const fio_fp64_t fb = *(const fio_fp64_t *) b;
83349190
YH		 127 int cmp = 0;
128
802ad4a8 129 if (fa.u.f > fb.u.f)
83349190 130 cmp = 1;
802ad4a8 131 else if (fa.u.f < fb.u.f)
83349190
YH		 132 cmp = -1;
133
134 return cmp;
135}
136
6cc0e5aa 137unsigned int calc_clat_percentiles(uint64_t *io_u_plat, unsigned long long nr,
d6bb626e
VF		 138 fio_fp64_t *plist, unsigned long long **output,
139 unsigned long long *maxv, unsigned long long *minv)
83349190 140{
447b94e1 141 unsigned long long sum = 0;
1db92cb6 142 unsigned int len, i, j = 0;
d6bb626e 143 unsigned long long *ovals = NULL;
8985b491 144 bool is_last;
1db92cb6 145
d6bb626e 146 *minv = -1ULL;
1db92cb6 147 *maxv = 0;
83349190 148
802ad4a8
JA		 149 len = 0;
150 while (len < FIO_IO_U_LIST_MAX_LEN && plist[len].u.f != 0.0)
151 len++;
716050f2 152
351de8de 153 if (!len)
1db92cb6 154 return 0;
351de8de 155
716050f2 156 /*
802ad4a8
JA		 157 * Sort the percentile list. Note that it may already be sorted if
158 * we are using the default values, but since it's a short list this
159 * isn't a worry. Also note that this does not work for NaN values.
716050f2 160 */
802ad4a8 161 if (len > 1)
3c3ed070 162 qsort((void *)plist, len, sizeof(plist[0]), double_cmp);
83349190 163
5d89c625
VF		 164 ovals = malloc(len * sizeof(*ovals));
165 if (!ovals)
166 return 0;
167
4f6f8298
JA		 168 /*
169 * Calculate bucket values, note down max and min values
170 */
8985b491 171 is_last = false;
07511a63 172 for (i = 0; i < FIO_IO_U_PLAT_NR && !is_last; i++) {
83349190 173 sum += io_u_plat[i];
298d751e 174 while (sum >= ((long double) plist[j].u.f / 100.0 * nr)) {
802ad4a8 175 assert(plist[j].u.f <= 100.0);
83349190 176
4f6f8298 177 ovals[j] = plat_idx_to_val(i);
1db92cb6
JA		 178 if (ovals[j] < *minv)
179 *minv = ovals[j];
180 if (ovals[j] > *maxv)
181 *maxv = ovals[j];
07511a63 182
8985b491 183 is_last = (j == len - 1) != 0;
07511a63
JA		 184 if (is_last)
185 break;
186
4f6f8298
JA		 187 j++;
188 }
189 }
83349190 190
298d751e
VF		 191 if (!is_last)
192 log_err("fio: error calculating latency percentiles\n");
193
1db92cb6
JA		 194 *output = ovals;
195 return len;
196}
197
198/*
199 * Find and display the p-th percentile of clat
200 */
6cc0e5aa 201static void show_clat_percentiles(uint64_t *io_u_plat, unsigned long long nr,
a666cab8 202 fio_fp64_t *plist, unsigned int precision,
b2b3eefe 203 const char *pre, struct buf_output *out)
1db92cb6 204{
d6bb626e
VF		 205 unsigned int divisor, len, i, j = 0;
206 unsigned long long minv, maxv;
207 unsigned long long *ovals;
8985b491 208 int per_line, scale_down, time_width;
8985b491 209 bool is_last;
eef02441 210 char fmt[32];
1db92cb6
JA		 211
212 len = calc_clat_percentiles(io_u_plat, nr, plist, &ovals, &maxv, &minv);
b2b3eefe 213 if (!len || !ovals)
1db92cb6
JA		 214 goto out;
215
4f6f8298 216 /*
d6bb626e
VF		 217 * We default to nsecs, but if the value range is such that we
218 * should scale down to usecs or msecs, do that.
4f6f8298 219 */
d6bb626e
VF		 220 if (minv > 2000000 && maxv > 99999999ULL) {
221 scale_down = 2;
222 divisor = 1000000;
b599759b 223 log_buf(out, " %s percentiles (msec):\n |", pre);
d6bb626e
VF		 224 } else if (minv > 2000 && maxv > 99999) {
225 scale_down = 1;
226 divisor = 1000;
b599759b 227 log_buf(out, " %s percentiles (usec):\n |", pre);
4f6f8298
JA		 228 } else {
229 scale_down = 0;
d6bb626e 230 divisor = 1;
b599759b 231 log_buf(out, " %s percentiles (nsec):\n |", pre);
4f6f8298 232 }
83349190 233
619adf9c 234
d6bb626e 235 time_width = max(5, (int) (log10(maxv / divisor) + 1));
74558486
JA		 236 snprintf(fmt, sizeof(fmt), " %%%u.%ufth=[%%%dllu]%%c", precision + 3,
237 precision, time_width);
238 /* fmt will be something like " %5.2fth=[%4llu]%c" */
d6bb626e 239 per_line = (80 - 7) / (precision + 10 + time_width);
81ab0b3a 240
d6bb626e 241 for (j = 0; j < len; j++) {
4f6f8298 242 /* for formatting */
eef02441 243 if (j != 0 && (j % per_line) == 0)
a666cab8 244 log_buf(out, " |");
83349190 245
4f6f8298 246 /* end of the list */
8985b491 247 is_last = (j == len - 1) != 0;
83349190 248
d6bb626e 249 for (i = 0; i < scale_down; i++)
4f6f8298
JA		 250 ovals[j] = (ovals[j] + 999) / 1000;
251
d6bb626e 252 log_buf(out, fmt, plist[j].u.f, ovals[j], is_last ? '\n' : ',');
4f6f8298
JA		 253
254 if (is_last)
255 break;
256
eef02441 257 if ((j % per_line) == per_line - 1) /* for formatting */
a666cab8 258 log_buf(out, "\n");
83349190 259 }
4f6f8298 260
1db92cb6 261out:
4f6f8298
JA		 262 if (ovals)
263 free(ovals);
83349190
YH		 264}
265
74558486
JA		 266bool calc_lat(struct io_stat *is, unsigned long long *min,
267 unsigned long long *max, double *mean, double *dev)
3c39a379 268{
ee0ccb79 269 double n = (double) is->samples;
3c39a379 270
ee0ccb79 271 if (n == 0)
8aa89d70 272 return false;
3c39a379
JA		 273
274 *min = is->min_val;
275 *max = is->max_val;
802ad4a8 276 *mean = is->mean.u.f;
e6d276f2 277
68704084 278 if (n > 1.0)
802ad4a8 279 *dev = sqrt(is->S.u.f / (n - 1.0));
ef9c5c40 280 else
4b43f54e 281 *dev = 0;
ef9c5c40 282
8aa89d70 283 return true;
3c39a379
JA		 284}
285
a666cab8 286void show_group_stats(struct group_run_stats *rs, struct buf_output *out)
3c39a379 287{
d694a6a7
RE		 288 char *io, *agg, *min, *max;
289 char *ioalt, *aggalt, *minalt, *maxalt;
42da5c8b 290 const char *str[] = { " READ", " WRITE" , " TRIM"};
dbe1125e
JA		 291 int i;
292
a666cab8 293 log_buf(out, "\nRun status group %d (all jobs):\n", rs->groupid);
3c39a379 294
6eaf09d6 295 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
90fef2d1
JA		 296 const int i2p = is_power_of_2(rs->kb_base);
297
dbe1125e
JA		 298 if (!rs->max_run[i])
299 continue;
300
e883cb35
JF		 301 io = num2str(rs->iobytes[i], rs->sig_figs, 1, i2p, N2S_BYTE);
302 ioalt = num2str(rs->iobytes[i], rs->sig_figs, 1, !i2p, N2S_BYTE);
303 agg = num2str(rs->agg[i], rs->sig_figs, 1, i2p, rs->unit_base);
304 aggalt = num2str(rs->agg[i], rs->sig_figs, 1, !i2p, rs->unit_base);
305 min = num2str(rs->min_bw[i], rs->sig_figs, 1, i2p, rs->unit_base);
306 minalt = num2str(rs->min_bw[i], rs->sig_figs, 1, !i2p, rs->unit_base);
307 max = num2str(rs->max_bw[i], rs->sig_figs, 1, i2p, rs->unit_base);
308 maxalt = num2str(rs->max_bw[i], rs->sig_figs, 1, !i2p, rs->unit_base);
d694a6a7 309 log_buf(out, "%s: bw=%s (%s), %s-%s (%s-%s), io=%s (%s), run=%llu-%llumsec\n",
42da5c8b 310 rs->unified_rw_rep ? " MIXED" : str[i],
d694a6a7 311 agg, aggalt, min, max, minalt, maxalt, io, ioalt,
4e0a8fa2
JA		 312 (unsigned long long) rs->min_run[i],
313 (unsigned long long) rs->max_run[i]);
dbe1125e 314
d694a6a7
RE		 315 free(io);
316 free(agg);
317 free(min);
318 free(max);
319 free(ioalt);
320 free(aggalt);
321 free(minalt);
322 free(maxalt);
dbe1125e 323 }
3c39a379
JA		 324}
325
6cc0e5aa 326void stat_calc_dist(uint64_t *map, unsigned long total, double *io_u_dist)
2270890c
JA		 327{
328 int i;
329
330 /*
331 * Do depth distribution calculations
332 */
333 for (i = 0; i < FIO_IO_U_MAP_NR; i++) {
838bc709
JA		 334 if (total) {
335 io_u_dist[i] = (double) map[i] / (double) total;
336 io_u_dist[i] *= 100.0;
337 if (io_u_dist[i] < 0.1 && map[i])
338 io_u_dist[i] = 0.1;
339 } else
340 io_u_dist[i] = 0.0;
2270890c
JA		 341 }
342}
343
04a0feae 344static void stat_calc_lat(struct thread_stat *ts, double *dst,
6cc0e5aa 345 uint64_t *src, int nr)
2270890c 346{
d79db122 347 unsigned long total = ddir_rw_sum(ts->total_io_u);
2270890c
JA		 348 int i;
349
350 /*
351 * Do latency distribution calculations
352 */
04a0feae 353 for (i = 0; i < nr; i++) {
838bc709
JA		 354 if (total) {
355 dst[i] = (double) src[i] / (double) total;
356 dst[i] *= 100.0;
357 if (dst[i] < 0.01 && src[i])
358 dst[i] = 0.01;
359 } else
360 dst[i] = 0.0;
2270890c
JA		 361 }
362}
363
247823cc
VF		 364/*
365 * To keep the terse format unaltered, add all of the ns latency
366 * buckets to the first us latency bucket
367 */
52e4c651 368static void stat_calc_lat_nu(struct thread_stat *ts, double *io_u_lat_u)
247823cc
VF		 369{
370 unsigned long ntotal = 0, total = ddir_rw_sum(ts->total_io_u);
371 int i;
372
373 stat_calc_lat(ts, io_u_lat_u, ts->io_u_lat_u, FIO_IO_U_LAT_U_NR);
374
375 for (i = 0; i < FIO_IO_U_LAT_N_NR; i++)
376 ntotal += ts->io_u_lat_n[i];
377
378 io_u_lat_u[0] += 100.0 * (double) ntotal / (double) total;
379}
380
d6bb626e
VF		 381void stat_calc_lat_n(struct thread_stat *ts, double *io_u_lat)
382{
383 stat_calc_lat(ts, io_u_lat, ts->io_u_lat_n, FIO_IO_U_LAT_N_NR);
384}
385
e5bd1347 386void stat_calc_lat_u(struct thread_stat *ts, double *io_u_lat)
04a0feae
JA		 387{
388 stat_calc_lat(ts, io_u_lat, ts->io_u_lat_u, FIO_IO_U_LAT_U_NR);
389}
390
e5bd1347 391void stat_calc_lat_m(struct thread_stat *ts, double *io_u_lat)
04a0feae
JA		 392{
393 stat_calc_lat(ts, io_u_lat, ts->io_u_lat_m, FIO_IO_U_LAT_M_NR);
394}
395
74558486
JA		 396static void display_lat(const char *name, unsigned long long min,
397 unsigned long long max, double mean, double dev,
398 struct buf_output *out)
ea2accc5 399{
d6bb626e 400 const char *base = "(nsec)";
b29ad562 401 char *minp, *maxp;
ea2accc5 402
d6bb626e 403 if (nsec_to_msec(&min, &max, &mean, &dev))
b29ad562 404 base = "(msec)";
d6bb626e
VF		 405 else if (nsec_to_usec(&min, &max, &mean, &dev))
406 base = "(usec)";
b29ad562 407
d694a6a7
RE		 408 minp = num2str(min, 6, 1, 0, N2S_NONE);
409 maxp = num2str(max, 6, 1, 0, N2S_NONE);
b29ad562 410
a666cab8 411 log_buf(out, " %s %s: min=%s, max=%s, avg=%5.02f,"
b29ad562
JA		 412 " stdev=%5.02f\n", name, base, minp, maxp, mean, dev);
413
414 free(minp);
415 free(maxp);
ea2accc5
JA		 416}
417
756867bd 418static void show_ddir_status(struct group_run_stats *rs, struct thread_stat *ts,
a666cab8 419 int ddir, struct buf_output *out)
3c39a379 420{
d6bb626e
VF		 421 unsigned long runt;
422 unsigned long long min, max, bw, iops;
3c39a379 423 double mean, dev;
96563db9 424 char *io_p, *bw_p, *bw_p_alt, *iops_p, *post_st = NULL;
90fef2d1 425 int i2p;
3c39a379 426
b2b3eefe
JA		 427 if (ddir_sync(ddir)) {
428 if (calc_lat(&ts->sync_stat, &min, &max, &mean, &dev)) {
429 log_buf(out, " %s:\n", "fsync/fdatasync/sync_file_range");
425d3e0e 430 display_lat(io_ddir_name(ddir), min, max, mean, dev, out);
b2b3eefe
JA		 431 show_clat_percentiles(ts->io_u_sync_plat,
432 ts->sync_stat.samples,
433 ts->percentile_list,
434 ts->percentile_precision,
425d3e0e 435 io_ddir_name(ddir), out);
b2b3eefe
JA		 436 }
437 return;
438 }
439
ff58fced
JA		 440 assert(ddir_rw(ddir));
441
756867bd 442 if (!ts->runtime[ddir])
3c39a379
JA		 443 return;
444
90fef2d1 445 i2p = is_power_of_2(rs->kb_base);
8879fd15
JA		 446 runt = ts->runtime[ddir];
447
448 bw = (1000 * ts->io_bytes[ddir]) / runt;
e883cb35
JF		 449 io_p = num2str(ts->io_bytes[ddir], ts->sig_figs, 1, i2p, N2S_BYTE);
450 bw_p = num2str(bw, ts->sig_figs, 1, i2p, ts->unit_base);
451 bw_p_alt = num2str(bw, ts->sig_figs, 1, !i2p, ts->unit_base);
8879fd15 452
0aacc50c 453 iops = (1000 * (uint64_t)ts->total_io_u[ddir]) / runt;
e883cb35 454 iops_p = num2str(iops, ts->sig_figs, 1, 0, N2S_NONE);
fd5d733f 455 if (ddir == DDIR_WRITE)
96563db9
JA		 456 post_st = zbd_write_status(ts);
457 else if (ddir == DDIR_READ && ts->cachehit && ts->cachemiss) {
458 uint64_t total;
459 double hit;
460
461 total = ts->cachehit + ts->cachemiss;
462 hit = (double) ts->cachehit / (double) total;
463 hit *= 100.0;
464 if (asprintf(&post_st, "; Cachehit=%0.2f%%", hit) < 0)
465 post_st = NULL;
466 }
dbe1125e 467
fd5d733f 468 log_buf(out, " %s: IOPS=%s, BW=%s (%s)(%s/%llumsec)%s\n",
425d3e0e 469 rs->unified_rw_rep ? "mixed" : io_ddir_name(ddir),
d694a6a7 470 iops_p, bw_p, bw_p_alt, io_p,
fd5d733f 471 (unsigned long long) ts->runtime[ddir],
96563db9 472 post_st ? : "");
dbe1125e 473
96563db9 474 free(post_st);
dbe1125e
JA		 475 free(io_p);
476 free(bw_p);
d694a6a7 477 free(bw_p_alt);
b3605062 478 free(iops_p);
3c39a379 479
b29ad562 480 if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev))
a666cab8 481 display_lat("slat", min, max, mean, dev, out);
b29ad562 482 if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev))
a666cab8 483 display_lat("clat", min, max, mean, dev, out);
b29ad562 484 if (calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev))
a666cab8 485 display_lat(" lat", min, max, mean, dev, out);
02af0988 486
b599759b 487 if (ts->clat_percentiles || ts->lat_percentiles) {
b2b3eefe 488 const char *name = ts->clat_percentiles ? "clat" : " lat";
af1600c1
SW		 489 uint64_t samples;
490
491 if (ts->clat_percentiles)
492 samples = ts->clat_stat[ddir].samples;
493 else
494 samples = ts->lat_stat[ddir].samples;
495
83349190 496 show_clat_percentiles(ts->io_u_plat[ddir],
af1600c1 497 samples,
435d195a 498 ts->percentile_list,
b2b3eefe 499 ts->percentile_precision, name, out);
83349190 500 }
079ad09b 501 if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) {
142c7f2d 502 double p_of_agg = 100.0, fkb_base = (double)rs->kb_base;
d694a6a7
RE		 503 const char *bw_str;
504
505 if ((rs->unit_base == 1) && i2p)
506 bw_str = "Kibit";
507 else if (rs->unit_base == 1)
508 bw_str = "kbit";
509 else if (i2p)
510 bw_str = "KiB";
511 else
512 bw_str = "kB";
d686990a 513
d1707474
SW		 514 if (rs->agg[ddir]) {
515 p_of_agg = mean * 100 / (double) (rs->agg[ddir] / 1024);
516 if (p_of_agg > 100.0)
517 p_of_agg = 100.0;
518 }
519
d686990a
SN		 520 if (rs->unit_base == 1) {
521 min *= 8.0;
522 max *= 8.0;
523 mean *= 8.0;
524 dev *= 8.0;
525 }
3c39a379 526
142c7f2d
SN		 527 if (mean > fkb_base * fkb_base) {
528 min /= fkb_base;
529 max /= fkb_base;
530 mean /= fkb_base;
531 dev /= fkb_base;
d694a6a7 532 bw_str = (rs->unit_base == 1 ? "Mibit" : "MiB");
b7017e32
JA		 533 }
534
54c05828 535 log_buf(out, " bw (%5s/s): min=%5llu, max=%5llu, per=%3.2f%%, "
29eb371b 536 "avg=%5.02f, stdev=%5.02f, samples=%" PRIu64 "\n",
54c05828
AH		 537 bw_str, min, max, p_of_agg, mean, dev,
538 (&ts->bw_stat[ddir])->samples);
3c39a379 539 }
188b6016 540 if (calc_lat(&ts->iops_stat[ddir], &min, &max, &mean, &dev)) {
21ba6606 541 log_buf(out, " iops : min=%5llu, max=%5llu, "
29eb371b 542 "avg=%5.02f, stdev=%5.02f, samples=%" PRIu64 "\n",
54c05828 543 min, max, mean, dev, (&ts->iops_stat[ddir])->samples);
188b6016 544 }
3c39a379
JA		 545}
546
8985b491
JA		 547static bool show_lat(double *io_u_lat, int nr, const char **ranges,
548 const char *msg, struct buf_output *out)
04a0feae 549{
8985b491
JA		 550 bool new_line = true, shown = false;
551 int i, line = 0;
04a0feae
JA		 552
553 for (i = 0; i < nr; i++) {
554 if (io_u_lat[i] <= 0.0)
555 continue;
8985b491 556 shown = true;
04a0feae 557 if (new_line) {
4539ed73 558 if (line)
a666cab8 559 log_buf(out, "\n");
4a19fcaa 560 log_buf(out, " lat (%s) : ", msg);
8985b491 561 new_line = false;
04a0feae
JA		 562 line = 0;
563 }
564 if (line)
a666cab8
JA		 565 log_buf(out, ", ");
566 log_buf(out, "%s%3.2f%%", ranges[i], io_u_lat[i]);
04a0feae
JA		 567 line++;
568 if (line == 5)
8985b491 569 new_line = true;
04a0feae 570 }
7e1773ba
JA		 571
572 if (shown)
a666cab8 573 log_buf(out, "\n");
7e1773ba 574
8985b491 575 return true;
04a0feae
JA		 576}
577
d6bb626e
VF		 578static void show_lat_n(double *io_u_lat_n, struct buf_output *out)
579{
580 const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=",
581 "250=", "500=", "750=", "1000=", };
582
583 show_lat(io_u_lat_n, FIO_IO_U_LAT_N_NR, ranges, "nsec", out);
584}
585
a666cab8 586static void show_lat_u(double *io_u_lat_u, struct buf_output *out)
04a0feae
JA		 587{
588 const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=",
589 "250=", "500=", "750=", "1000=", };
590
a666cab8 591 show_lat(io_u_lat_u, FIO_IO_U_LAT_U_NR, ranges, "usec", out);
04a0feae
JA		 592}
593
a666cab8 594static void show_lat_m(double *io_u_lat_m, struct buf_output *out)
04a0feae
JA		 595{
596 const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=",
597 "250=", "500=", "750=", "1000=", "2000=",
598 ">=2000=", };
599
a666cab8 600 show_lat(io_u_lat_m, FIO_IO_U_LAT_M_NR, ranges, "msec", out);
04a0feae
JA		 601}
602
a666cab8 603static void show_latencies(struct thread_stat *ts, struct buf_output *out)
04a0feae 604{
d6bb626e 605 double io_u_lat_n[FIO_IO_U_LAT_N_NR];
c551f65a
JA		 606 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
607 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
608
d6bb626e 609 stat_calc_lat_n(ts, io_u_lat_n);
5a18988e
JA		 610 stat_calc_lat_u(ts, io_u_lat_u);
611 stat_calc_lat_m(ts, io_u_lat_m);
612
d6bb626e 613 show_lat_n(io_u_lat_n, out);
a666cab8
JA		 614 show_lat_u(io_u_lat_u, out);
615 show_lat_m(io_u_lat_m, out);
04a0feae
JA		 616}
617
66347cfa
DE		 618static int block_state_category(int block_state)
619{
620 switch (block_state) {
621 case BLOCK_STATE_UNINIT:
622 return 0;
623 case BLOCK_STATE_TRIMMED:
624 case BLOCK_STATE_WRITTEN:
625 return 1;
626 case BLOCK_STATE_WRITE_FAILURE:
627 case BLOCK_STATE_TRIM_FAILURE:
628 return 2;
629 default:
081c2dc3 630 /* Silence compile warning on some BSDs and have a return */
66347cfa 631 assert(0);
07ff5841 632 return -1;
66347cfa
DE		 633 }
634}
635
636static int compare_block_infos(const void *bs1, const void *bs2)
637{
5fff9543
JF		 638 uint64_t block1 = *(uint64_t *)bs1;
639 uint64_t block2 = *(uint64_t *)bs2;
66347cfa
DE		 640 int state1 = BLOCK_INFO_STATE(block1);
641 int state2 = BLOCK_INFO_STATE(block2);
642 int bscat1 = block_state_category(state1);
643 int bscat2 = block_state_category(state2);
644 int cycles1 = BLOCK_INFO_TRIMS(block1);
645 int cycles2 = BLOCK_INFO_TRIMS(block2);
646
647 if (bscat1 < bscat2)
648 return -1;
649 if (bscat1 > bscat2)
650 return 1;
651
652 if (cycles1 < cycles2)
653 return -1;
654 if (cycles1 > cycles2)
655 return 1;
656
657 if (state1 < state2)
658 return -1;
659 if (state1 > state2)
660 return 1;
661
662 assert(block1 == block2);
663 return 0;
664}
665
666static int calc_block_percentiles(int nr_block_infos, uint32_t *block_infos,
667 fio_fp64_t *plist, unsigned int **percentiles,
668 unsigned int *types)
669{
670 int len = 0;
671 int i, nr_uninit;
672
673 qsort(block_infos, nr_block_infos, sizeof(uint32_t), compare_block_infos);
674
675 while (len < FIO_IO_U_LIST_MAX_LEN && plist[len].u.f != 0.0)
676 len++;
677
678 if (!len)
679 return 0;
680
681 /*
682 * Sort the percentile list. Note that it may already be sorted if
683 * we are using the default values, but since it's a short list this
684 * isn't a worry. Also note that this does not work for NaN values.
685 */
686 if (len > 1)
687 qsort((void *)plist, len, sizeof(plist[0]), double_cmp);
688
66347cfa
DE		 689 /* Start only after the uninit entries end */
690 for (nr_uninit = 0;
691 nr_uninit < nr_block_infos
692 && BLOCK_INFO_STATE(block_infos[nr_uninit]) == BLOCK_STATE_UNINIT;
693 nr_uninit ++)
694 ;
695
696 if (nr_uninit == nr_block_infos)
697 return 0;
698
699 *percentiles = calloc(len, sizeof(**percentiles));
700
701 for (i = 0; i < len; i++) {
702 int idx = (plist[i].u.f * (nr_block_infos - nr_uninit) / 100)
703 + nr_uninit;
704 (*percentiles)[i] = BLOCK_INFO_TRIMS(block_infos[idx]);
705 }
706
707 memset(types, 0, sizeof(*types) * BLOCK_STATE_COUNT);
708 for (i = 0; i < nr_block_infos; i++)
709 types[BLOCK_INFO_STATE(block_infos[i])]++;
710
711 return len;
712}
713
714static const char *block_state_names[] = {
715 [BLOCK_STATE_UNINIT] = "unwritten",
716 [BLOCK_STATE_TRIMMED] = "trimmed",
717 [BLOCK_STATE_WRITTEN] = "written",
718 [BLOCK_STATE_TRIM_FAILURE] = "trim failure",
719 [BLOCK_STATE_WRITE_FAILURE] = "write failure",
720};
721
722static void show_block_infos(int nr_block_infos, uint32_t *block_infos,
a666cab8 723 fio_fp64_t *plist, struct buf_output *out)
66347cfa
DE		 724{
725 int len, pos, i;
726 unsigned int *percentiles = NULL;
727 unsigned int block_state_counts[BLOCK_STATE_COUNT];
728
729 len = calc_block_percentiles(nr_block_infos, block_infos, plist,
730 &percentiles, block_state_counts);
731
a666cab8 732 log_buf(out, " block lifetime percentiles :\n |");
66347cfa
DE		 733 pos = 0;
734 for (i = 0; i < len; i++) {
735 uint32_t block_info = percentiles[i];
736#define LINE_LENGTH 75
737 char str[LINE_LENGTH];
738 int strln = snprintf(str, LINE_LENGTH, " %3.2fth=%u%c",
739 plist[i].u.f, block_info,
740 i == len - 1 ? '\n' : ',');
741 assert(strln < LINE_LENGTH);
742 if (pos + strln > LINE_LENGTH) {
743 pos = 0;
a666cab8 744 log_buf(out, "\n |");
66347cfa 745 }
a666cab8 746 log_buf(out, "%s", str);
66347cfa
DE		 747 pos += strln;
748#undef LINE_LENGTH
749 }
750 if (percentiles)
751 free(percentiles);
752
a666cab8 753 log_buf(out, " states :");
66347cfa 754 for (i = 0; i < BLOCK_STATE_COUNT; i++)
a666cab8 755 log_buf(out, " %s=%u%c",
66347cfa
DE		 756 block_state_names[i], block_state_counts[i],
757 i == BLOCK_STATE_COUNT - 1 ? '\n' : ',');
758}
759
d685adfb
VF		 760static void show_ss_normal(struct thread_stat *ts, struct buf_output *out)
761{
d694a6a7 762 char *p1, *p1alt, *p2;
d685adfb
VF		 763 unsigned long long bw_mean, iops_mean;
764 const int i2p = is_power_of_2(ts->kb_base);
765
0c13c969 766 if (!ts->ss_dur)
d685adfb
VF		 767 return;
768
bb49c8bd
VF		 769 bw_mean = steadystate_bw_mean(ts);
770 iops_mean = steadystate_iops_mean(ts);
d685adfb 771
e883cb35
JF		 772 p1 = num2str(bw_mean / ts->kb_base, ts->sig_figs, ts->kb_base, i2p, ts->unit_base);
773 p1alt = num2str(bw_mean / ts->kb_base, ts->sig_figs, ts->kb_base, !i2p, ts->unit_base);
774 p2 = num2str(iops_mean, ts->sig_figs, 1, 0, N2S_NONE);
d685adfb 775
d694a6a7 776 log_buf(out, " steadystate : attained=%s, bw=%s (%s), iops=%s, %s%s=%.3f%s\n",
c8caba48 777 ts->ss_state & FIO_SS_ATTAINED ? "yes" : "no",
d694a6a7 778 p1, p1alt, p2,
c8caba48
JA		 779 ts->ss_state & FIO_SS_IOPS ? "iops" : "bw",
780 ts->ss_state & FIO_SS_SLOPE ? " slope": " mean dev",
bb49c8bd 781 ts->ss_criterion.u.f,
c8caba48 782 ts->ss_state & FIO_SS_PCT ? "%" : "");
d685adfb
VF		 783
784 free(p1);
d694a6a7 785 free(p1alt);
d685adfb
VF		 786 free(p2);
787}
788
10aa136b 789static void show_thread_status_normal(struct thread_stat *ts,
a666cab8
JA		 790 struct group_run_stats *rs,
791 struct buf_output *out)
3c39a379
JA		 792{
793 double usr_cpu, sys_cpu;
69008999 794 unsigned long runtime;
71619dc2 795 double io_u_dist[FIO_IO_U_MAP_NR];
57a64324 796 time_t time_p;
35326842 797 char time_buf[32];
3c39a379 798
9966af7b 799 if (!ddir_rw_sum(ts->io_bytes) && !ddir_rw_sum(ts->total_io_u))
3c39a379 800 return;
33477b4b
JS		 801
802 memset(time_buf, 0, sizeof(time_buf));
3c39a379 803
57a64324 804 time(&time_p);
45054cbe 805 os_ctime_r((const time_t *) &time_p, time_buf, sizeof(time_buf));
57a64324 806
5ec10eaa 807 if (!ts->error) {
a666cab8 808 log_buf(out, "%s: (groupid=%d, jobs=%d): err=%2d: pid=%d: %s",
5ec10eaa 809 ts->name, ts->groupid, ts->members,
57a64324 810 ts->error, (int) ts->pid, time_buf);
5ec10eaa 811 } else {
a666cab8 812 log_buf(out, "%s: (groupid=%d, jobs=%d): err=%2d (%s): pid=%d: %s",
5ec10eaa 813 ts->name, ts->groupid, ts->members,
57a64324
JA		 814 ts->error, ts->verror, (int) ts->pid,
815 time_buf);
5ec10eaa 816 }
3c39a379 817
259e47de 818 if (strlen(ts->description))
a666cab8 819 log_buf(out, " Description : [%s]\n", ts->description);
7bdce1bd 820
756867bd 821 if (ts->io_bytes[DDIR_READ])
a666cab8 822 show_ddir_status(rs, ts, DDIR_READ, out);
756867bd 823 if (ts->io_bytes[DDIR_WRITE])
a666cab8 824 show_ddir_status(rs, ts, DDIR_WRITE, out);
6eaf09d6 825 if (ts->io_bytes[DDIR_TRIM])
a666cab8 826 show_ddir_status(rs, ts, DDIR_TRIM, out);
3c39a379 827
a666cab8 828 show_latencies(ts, out);
7e1773ba 829
b2b3eefe
JA		 830 if (ts->sync_stat.samples)
831 show_ddir_status(rs, ts, DDIR_SYNC, out);
832
756867bd 833 runtime = ts->total_run_time;
69008999 834 if (runtime) {
1e97cce9 835 double runt = (double) runtime;
3c39a379 836
756867bd
JA		 837 usr_cpu = (double) ts->usr_time * 100 / runt;
838 sys_cpu = (double) ts->sys_time * 100 / runt;
3c39a379
JA		 839 } else {
840 usr_cpu = 0;
841 sys_cpu = 0;
842 }
843
a666cab8 844 log_buf(out, " cpu : usr=%3.2f%%, sys=%3.2f%%, ctx=%llu,"
4e0a8fa2
JA		 845 " majf=%llu, minf=%llu\n", usr_cpu, sys_cpu,
846 (unsigned long long) ts->ctx,
847 (unsigned long long) ts->majf,
848 (unsigned long long) ts->minf);
71619dc2 849
d79db122 850 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
a666cab8 851 log_buf(out, " IO depths : 1=%3.1f%%, 2=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%,"
5ec10eaa
JA		 852 " 16=%3.1f%%, 32=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0],
853 io_u_dist[1], io_u_dist[2],
854 io_u_dist[3], io_u_dist[4],
855 io_u_dist[5], io_u_dist[6]);
838bc709
JA		 856
857 stat_calc_dist(ts->io_u_submit, ts->total_submit, io_u_dist);
a666cab8 858 log_buf(out, " submit : 0=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%, 16=%3.1f%%,"
838bc709
JA		 859 " 32=%3.1f%%, 64=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0],
860 io_u_dist[1], io_u_dist[2],
861 io_u_dist[3], io_u_dist[4],
862 io_u_dist[5], io_u_dist[6]);
863 stat_calc_dist(ts->io_u_complete, ts->total_complete, io_u_dist);
a666cab8 864 log_buf(out, " complete : 0=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%, 16=%3.1f%%,"
838bc709
JA		 865 " 32=%3.1f%%, 64=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0],
866 io_u_dist[1], io_u_dist[2],
867 io_u_dist[3], io_u_dist[4],
868 io_u_dist[5], io_u_dist[6]);
7f3ecee2
JA		 869 log_buf(out, " issued rwts: total=%llu,%llu,%llu,%llu"
870 " short=%llu,%llu,%llu,0"
871 " dropped=%llu,%llu,%llu,0\n",
4e0a8fa2
JA		 872 (unsigned long long) ts->total_io_u[0],
873 (unsigned long long) ts->total_io_u[1],
874 (unsigned long long) ts->total_io_u[2],
7f3ecee2 875 (unsigned long long) ts->total_io_u[3],
4e0a8fa2
JA		 876 (unsigned long long) ts->short_io_u[0],
877 (unsigned long long) ts->short_io_u[1],
3bcb9d94
JA		 878 (unsigned long long) ts->short_io_u[2],
879 (unsigned long long) ts->drop_io_u[0],
880 (unsigned long long) ts->drop_io_u[1],
881 (unsigned long long) ts->drop_io_u[2]);
f2bba182 882 if (ts->continue_on_error) {
a666cab8 883 log_buf(out, " errors : total=%llu, first_error=%d/<%s>\n",
4e0a8fa2 884 (unsigned long long)ts->total_err_count,
1ec99eea
JA		 885 ts->first_error,
886 strerror(ts->first_error));
f2bba182 887 }
3e260a46 888 if (ts->latency_depth) {
a666cab8 889 log_buf(out, " latency : target=%llu, window=%llu, percentile=%.2f%%, depth=%u\n",
3e260a46
JA		 890 (unsigned long long)ts->latency_target,
891 (unsigned long long)ts->latency_window,
892 ts->latency_percentile.u.f,
893 ts->latency_depth);
894 }
66347cfa
DE		 895
896 if (ts->nr_block_infos)
897 show_block_infos(ts->nr_block_infos, ts->block_infos,
a666cab8 898 ts->percentile_list, out);
d685adfb 899
bb49c8bd 900 if (ts->ss_dur)
d685adfb 901 show_ss_normal(ts, out);
3c39a379
JA		 902}
903
756867bd 904static void show_ddir_status_terse(struct thread_stat *ts,
a666cab8 905 struct group_run_stats *rs, int ddir,
a2c95580 906 int ver, struct buf_output *out)
c6ae0a5b 907{
d6bb626e
VF		 908 unsigned long long min, max, minv, maxv, bw, iops;
909 unsigned long long *ovals = NULL;
c6ae0a5b 910 double mean, dev;
d6bb626e 911 unsigned int len;
a2c95580 912 int i, bw_stat;
c6ae0a5b 913
ff58fced
JA		 914 assert(ddir_rw(ddir));
915
312b4af2
JA		 916 iops = bw = 0;
917 if (ts->runtime[ddir]) {
918 uint64_t runt = ts->runtime[ddir];
919
420b104a 920 bw = ((1000 * ts->io_bytes[ddir]) / runt) / 1024; /* KiB/s */
312b4af2
JA		 921 iops = (1000 * (uint64_t) ts->total_io_u[ddir]) / runt;
922 }
c6ae0a5b 923
a666cab8 924 log_buf(out, ";%llu;%llu;%llu;%llu",
4e0a8fa2
JA		 925 (unsigned long long) ts->io_bytes[ddir] >> 10, bw, iops,
926 (unsigned long long) ts->runtime[ddir]);
c6ae0a5b 927
079ad09b 928 if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev))
247823cc 929 log_buf(out, ";%llu;%llu;%f;%f", min/1000, max/1000, mean/1000, dev/1000);
c6ae0a5b 930 else
d6bb626e 931 log_buf(out, ";%llu;%llu;%f;%f", 0ULL, 0ULL, 0.0, 0.0);
c6ae0a5b 932
079ad09b 933 if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev))
247823cc 934 log_buf(out, ";%llu;%llu;%f;%f", min/1000, max/1000, mean/1000, dev/1000);
c6ae0a5b 935 else
d6bb626e 936 log_buf(out, ";%llu;%llu;%f;%f", 0ULL, 0ULL, 0.0, 0.0);
c6ae0a5b 937
b599759b 938 if (ts->clat_percentiles || ts->lat_percentiles) {
1db92cb6
JA		 939 len = calc_clat_percentiles(ts->io_u_plat[ddir],
940 ts->clat_stat[ddir].samples,
941 ts->percentile_list, &ovals, &maxv,
942 &minv);
943 } else
944 len = 0;
945
946 for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) {
947 if (i >= len) {
a666cab8 948 log_buf(out, ";0%%=0");
1db92cb6
JA		 949 continue;
950 }
247823cc 951 log_buf(out, ";%f%%=%llu", ts->percentile_list[i].u.f, ovals[i]/1000);
1db92cb6 952 }
2341a37a
K		 953
954 if (calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev))
247823cc 955 log_buf(out, ";%llu;%llu;%f;%f", min/1000, max/1000, mean/1000, dev/1000);
2341a37a 956 else
d6bb626e 957 log_buf(out, ";%llu;%llu;%f;%f", 0ULL, 0ULL, 0.0, 0.0);
2341a37a 958
1db92cb6
JA		 959 if (ovals)
960 free(ovals);
961
a2c95580
AH		 962 bw_stat = calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev);
963 if (bw_stat) {
19d3e967
JA		 964 double p_of_agg = 100.0;
965
966 if (rs->agg[ddir]) {
d1707474 967 p_of_agg = mean * 100 / (double) (rs->agg[ddir] / 1024);
19d3e967
JA		 968 if (p_of_agg > 100.0)
969 p_of_agg = 100.0;
970 }
c6ae0a5b 971
d6bb626e 972 log_buf(out, ";%llu;%llu;%f%%;%f;%f", min, max, p_of_agg, mean, dev);
c6ae0a5b 973 } else
d6bb626e 974 log_buf(out, ";%llu;%llu;%f%%;%f;%f", 0ULL, 0ULL, 0.0, 0.0, 0.0);
a2c95580
AH		 975
976 if (ver == 5) {
977 if (bw_stat)
29eb371b 978 log_buf(out, ";%" PRIu64, (&ts->bw_stat[ddir])->samples);
a2c95580
AH		 979 else
980 log_buf(out, ";%lu", 0UL);
981
982 if (calc_lat(&ts->iops_stat[ddir], &min, &max, &mean, &dev))
29eb371b 983 log_buf(out, ";%llu;%llu;%f;%f;%" PRIu64, min, max,
a2c95580
AH		 984 mean, dev, (&ts->iops_stat[ddir])->samples);
985 else
986 log_buf(out, ";%llu;%llu;%f;%f;%lu", 0ULL, 0ULL, 0.0, 0.0, 0UL);
987 }
c6ae0a5b
JA		 988}
989
cc372b17
SL		 990static void add_ddir_status_json(struct thread_stat *ts,
991 struct group_run_stats *rs, int ddir, struct json_object *parent)
992{
d6bb626e 993 unsigned long long min, max, minv, maxv;
aedd021d 994 unsigned long long bw_bytes, bw;
d6bb626e 995 unsigned long long *ovals = NULL;
9f68fe3a 996 double mean, dev, iops;
d6bb626e 997 unsigned int len;
cc372b17 998 int i;
24cab44e 999 struct json_object *dir_object, *tmp_object, *percentile_object, *clat_bins_object = NULL;
cc372b17
SL		 1000 char buf[120];
1001 double p_of_agg = 100.0;
1002
b2b3eefe 1003 assert(ddir_rw(ddir) || ddir_sync(ddir));
cc372b17 1004
771e58be
JA		 1005 if (ts->unified_rw_rep && ddir != DDIR_READ)
1006 return;
1007
cc372b17 1008 dir_object = json_create_object();
771e58be 1009 json_object_add_value_object(parent,
425d3e0e 1010 ts->unified_rw_rep ? "mixed" : io_ddir_name(ddir), dir_object);
cc372b17 1011
b2b3eefe
JA		 1012 if (ddir_rw(ddir)) {
1013 bw_bytes = 0;
1014 bw = 0;
1015 iops = 0.0;
1016 if (ts->runtime[ddir]) {
1017 uint64_t runt = ts->runtime[ddir];
cc372b17 1018
b2b3eefe
JA		 1019 bw_bytes = ((1000 * ts->io_bytes[ddir]) / runt); /* Bytes/s */
1020 bw = bw_bytes / 1024; /* KiB/s */
1021 iops = (1000.0 * (uint64_t) ts->total_io_u[ddir]) / runt;
1022 }
cc372b17 1023
b2b3eefe
JA		 1024 json_object_add_value_int(dir_object, "io_bytes", ts->io_bytes[ddir]);
1025 json_object_add_value_int(dir_object, "io_kbytes", ts->io_bytes[ddir] >> 10);
1026 json_object_add_value_int(dir_object, "bw_bytes", bw_bytes);
1027 json_object_add_value_int(dir_object, "bw", bw);
1028 json_object_add_value_float(dir_object, "iops", iops);
1029 json_object_add_value_int(dir_object, "runtime", ts->runtime[ddir]);
1030 json_object_add_value_int(dir_object, "total_ios", ts->total_io_u[ddir]);
1031 json_object_add_value_int(dir_object, "short_ios", ts->short_io_u[ddir]);
1032 json_object_add_value_int(dir_object, "drop_ios", ts->drop_io_u[ddir]);
1033
1034 if (!calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev)) {
1035 min = max = 0;
1036 mean = dev = 0.0;
1037 }
1038 tmp_object = json_create_object();
1039 json_object_add_value_object(dir_object, "slat_ns", tmp_object);
1040 json_object_add_value_int(tmp_object, "min", min);
1041 json_object_add_value_int(tmp_object, "max", max);
1042 json_object_add_value_float(tmp_object, "mean", mean);
1043 json_object_add_value_float(tmp_object, "stddev", dev);
1044
1045 if (!calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev)) {
1046 min = max = 0;
1047 mean = dev = 0.0;
1048 }
1049 tmp_object = json_create_object();
1050 json_object_add_value_object(dir_object, "clat_ns", tmp_object);
1051 json_object_add_value_int(tmp_object, "min", min);
1052 json_object_add_value_int(tmp_object, "max", max);
1053 json_object_add_value_float(tmp_object, "mean", mean);
1054 json_object_add_value_float(tmp_object, "stddev", dev);
1055 } else {
1056 if (!calc_lat(&ts->sync_stat, &min, &max, &mean, &dev)) {
1057 min = max = 0;
1058 mean = dev = 0.0;
1059 }
cc372b17 1060
b2b3eefe
JA		 1061 tmp_object = json_create_object();
1062 json_object_add_value_object(dir_object, "lat_ns", tmp_object);
f5ec8123 1063 json_object_add_value_int(dir_object, "total_ios", ts->total_io_u[DDIR_SYNC]);
b2b3eefe
JA		 1064 json_object_add_value_int(tmp_object, "min", min);
1065 json_object_add_value_int(tmp_object, "max", max);
1066 json_object_add_value_float(tmp_object, "mean", mean);
1067 json_object_add_value_float(tmp_object, "stddev", dev);
cc372b17 1068 }
cc372b17 1069
b599759b 1070 if (ts->clat_percentiles || ts->lat_percentiles) {
b2b3eefe 1071 if (ddir_rw(ddir)) {
9f2cd5e0
JA		 1072 uint64_t samples;
1073
1074 if (ts->clat_percentiles)
1075 samples = ts->clat_stat[ddir].samples;
1076 else
1077 samples = ts->lat_stat[ddir].samples;
1078
b2b3eefe 1079 len = calc_clat_percentiles(ts->io_u_plat[ddir],
9f2cd5e0
JA		 1080 samples, ts->percentile_list, &ovals,
1081 &maxv, &minv);
b2b3eefe
JA		 1082 } else {
1083 len = calc_clat_percentiles(ts->io_u_sync_plat,
1084 ts->sync_stat.samples,
1085 ts->percentile_list, &ovals, &maxv,
1086 &minv);
1087 }
1088
702bd977
JA		 1089 if (len > FIO_IO_U_LIST_MAX_LEN)
1090 len = FIO_IO_U_LIST_MAX_LEN;
cc372b17
SL		 1091 } else
1092 len = 0;
1093
1094 percentile_object = json_create_object();
e5eb6fbf
VF		 1095 if (ts->clat_percentiles)
1096 json_object_add_value_object(tmp_object, "percentile", percentile_object);
702bd977 1097 for (i = 0; i < len; i++) {
435d195a 1098 snprintf(buf, sizeof(buf), "%f", ts->percentile_list[i].u.f);
cc372b17
SL		 1099 json_object_add_value_int(percentile_object, (const char *)buf, ovals[i]);
1100 }
1101
513e37ee
VF		 1102 if (output_format & FIO_OUTPUT_JSON_PLUS) {
1103 clat_bins_object = json_create_object();
24cab44e
VF		 1104 if (ts->clat_percentiles)
1105 json_object_add_value_object(tmp_object, "bins", clat_bins_object);
1106
513e37ee 1107 for(i = 0; i < FIO_IO_U_PLAT_NR; i++) {
b2b3eefe
JA		 1108 if (ddir_rw(ddir)) {
1109 if (ts->io_u_plat[ddir][i]) {
1110 snprintf(buf, sizeof(buf), "%llu", plat_idx_to_val(i));
1111 json_object_add_value_int(clat_bins_object, (const char *)buf, ts->io_u_plat[ddir][i]);
1112 }
1113 } else {
1114 if (ts->io_u_sync_plat[i]) {
1115 snprintf(buf, sizeof(buf), "%llu", plat_idx_to_val(i));
1116 json_object_add_value_int(clat_bins_object, (const char *)buf, ts->io_u_sync_plat[i]);
1117 }
129e4193 1118 }
513e37ee 1119 }
513e37ee
VF		 1120 }
1121
b2b3eefe
JA		 1122 if (!ddir_rw(ddir))
1123 return;
1124
cc372b17
SL		 1125 if (!calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev)) {
1126 min = max = 0;
1127 mean = dev = 0.0;
1128 }
1129 tmp_object = json_create_object();
d6bb626e 1130 json_object_add_value_object(dir_object, "lat_ns", tmp_object);
cc372b17
SL		 1131 json_object_add_value_int(tmp_object, "min", min);
1132 json_object_add_value_int(tmp_object, "max", max);
1133 json_object_add_value_float(tmp_object, "mean", mean);
1134 json_object_add_value_float(tmp_object, "stddev", dev);
e5eb6fbf
VF		 1135 if (ts->lat_percentiles)
1136 json_object_add_value_object(tmp_object, "percentile", percentile_object);
24cab44e
VF		 1137 if (output_format & FIO_OUTPUT_JSON_PLUS && ts->lat_percentiles)
1138 json_object_add_value_object(tmp_object, "bins", clat_bins_object);
1139
cc372b17
SL		 1140 if (ovals)
1141 free(ovals);
1142
b9e1b491 1143 if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) {
cc372b17 1144 if (rs->agg[ddir]) {
d1707474 1145 p_of_agg = mean * 100 / (double) (rs->agg[ddir] / 1024);
cc372b17
SL		 1146 if (p_of_agg > 100.0)
1147 p_of_agg = 100.0;
1148 }
1149 } else {
1150 min = max = 0;
1151 p_of_agg = mean = dev = 0.0;
1152 }
1153 json_object_add_value_int(dir_object, "bw_min", min);
1154 json_object_add_value_int(dir_object, "bw_max", max);
a806bf2e 1155 json_object_add_value_float(dir_object, "bw_agg", p_of_agg);
cc372b17
SL		 1156 json_object_add_value_float(dir_object, "bw_mean", mean);
1157 json_object_add_value_float(dir_object, "bw_dev", dev);
54c05828
AH		 1158 json_object_add_value_int(dir_object, "bw_samples",
1159 (&ts->bw_stat[ddir])->samples);
188b6016
AH		 1160
1161 if (!calc_lat(&ts->iops_stat[ddir], &min, &max, &mean, &dev)) {
1162 min = max = 0;
1163 mean = dev = 0.0;
1164 }
1165 json_object_add_value_int(dir_object, "iops_min", min);
1166 json_object_add_value_int(dir_object, "iops_max", max);
1167 json_object_add_value_float(dir_object, "iops_mean", mean);
1168 json_object_add_value_float(dir_object, "iops_stddev", dev);
54c05828
AH		 1169 json_object_add_value_int(dir_object, "iops_samples",
1170 (&ts->iops_stat[ddir])->samples);
96563db9
JA		 1171
1172 if (ts->cachehit + ts->cachemiss) {
1173 uint64_t total;
1174 double hit;
1175
1176 total = ts->cachehit + ts->cachemiss;
1177 hit = (double) ts->cachehit / (double) total;
1178 hit *= 100.0;
1179 json_object_add_value_float(dir_object, "cachehit", hit);
1180 }
cc372b17
SL		 1181}
1182
bef2112b
AH		 1183static void show_thread_status_terse_all(struct thread_stat *ts,
1184 struct group_run_stats *rs, int ver,
1185 struct buf_output *out)
4d658652
JA		 1186{
1187 double io_u_dist[FIO_IO_U_MAP_NR];
1188 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
1189 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
1190 double usr_cpu, sys_cpu;
1191 int i;
1192
1193 /* General Info */
bef2112b
AH		 1194 if (ver == 2)
1195 log_buf(out, "2;%s;%d;%d", ts->name, ts->groupid, ts->error);
1196 else
1197 log_buf(out, "%d;%s;%s;%d;%d", ver, fio_version_string,
1198 ts->name, ts->groupid, ts->error);
c6ae0a5b 1199
562c2d2f 1200 /* Log Read Status */
a2c95580 1201 show_ddir_status_terse(ts, rs, DDIR_READ, ver, out);
562c2d2f 1202 /* Log Write Status */
a2c95580 1203 show_ddir_status_terse(ts, rs, DDIR_WRITE, ver, out);
6eaf09d6 1204 /* Log Trim Status */
a2c95580
AH		 1205 if (ver == 2 || ver == 4 || ver == 5)
1206 show_ddir_status_terse(ts, rs, DDIR_TRIM, ver, out);
c6ae0a5b 1207
562c2d2f 1208 /* CPU Usage */
756867bd
JA		 1209 if (ts->total_run_time) {
1210 double runt = (double) ts->total_run_time;
c6ae0a5b 1211
756867bd
JA		 1212 usr_cpu = (double) ts->usr_time * 100 / runt;
1213 sys_cpu = (double) ts->sys_time * 100 / runt;
c6ae0a5b
JA		 1214 } else {
1215 usr_cpu = 0;
1216 sys_cpu = 0;
1217 }
1218
a666cab8 1219 log_buf(out, ";%f%%;%f%%;%llu;%llu;%llu", usr_cpu, sys_cpu,
4e0a8fa2
JA		 1220 (unsigned long long) ts->ctx,
1221 (unsigned long long) ts->majf,
1222 (unsigned long long) ts->minf);
2270890c 1223
562c2d2f 1224 /* Calc % distribution of IO depths, usecond, msecond latency */
d79db122 1225 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
247823cc 1226 stat_calc_lat_nu(ts, io_u_lat_u);
04a0feae 1227 stat_calc_lat_m(ts, io_u_lat_m);
2270890c 1228
562c2d2f 1229 /* Only show fixed 7 I/O depth levels*/
a666cab8 1230 log_buf(out, ";%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%",
5ec10eaa
JA		 1231 io_u_dist[0], io_u_dist[1], io_u_dist[2], io_u_dist[3],
1232 io_u_dist[4], io_u_dist[5], io_u_dist[6]);
2270890c 1233
562c2d2f 1234 /* Microsecond latency */
04a0feae 1235 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++)
a666cab8 1236 log_buf(out, ";%3.2f%%", io_u_lat_u[i]);
562c2d2f 1237 /* Millisecond latency */
04a0feae 1238 for (i = 0; i < FIO_IO_U_LAT_M_NR; i++)
a666cab8 1239 log_buf(out, ";%3.2f%%", io_u_lat_m[i]);
f2f788dd
JA		 1240
1241 /* disk util stats, if any */
24a97130 1242 if (ver >= 3 && is_running_backend())
bef2112b 1243 show_disk_util(1, NULL, out);
f2f788dd 1244
562c2d2f 1245 /* Additional output if continue_on_error set - default off*/
f2bba182 1246 if (ts->continue_on_error)
a666cab8 1247 log_buf(out, ";%llu;%d", (unsigned long long) ts->total_err_count, ts->first_error);
2270890c 1248
562c2d2f 1249 /* Additional output if description is set */
d5495f0b
VF		 1250 if (strlen(ts->description)) {
1251 if (ver == 2)
1252 log_buf(out, "\n");
a666cab8 1253 log_buf(out, ";%s", ts->description);
d5495f0b 1254 }
946e4276 1255
a666cab8 1256 log_buf(out, "\n");
756867bd
JA		 1257}
1258
a89ba4b1 1259static void json_add_job_opts(struct json_object *root, const char *name,
0cf542af 1260 struct flist_head *opt_list)
66e19a38
JA		 1261{
1262 struct json_object *dir_object;
1263 struct flist_head *entry;
1264 struct print_option *p;
1265
1266 if (flist_empty(opt_list))
1267 return;
1268
1269 dir_object = json_create_object();
1270 json_object_add_value_object(root, name, dir_object);
1271
1272 flist_for_each(entry, opt_list) {
1273 const char *pos = "";
1274
1275 p = flist_entry(entry, struct print_option, list);
1276 if (p->value)
1277 pos = p->value;
1278 json_object_add_value_string(dir_object, p->name, pos);
1279 }
1280}
1281
cc372b17 1282static struct json_object *show_thread_status_json(struct thread_stat *ts,
66e19a38
JA		 1283 struct group_run_stats *rs,
1284 struct flist_head *opt_list)
cc372b17
SL		 1285{
1286 struct json_object *root, *tmp;
b01af66b 1287 struct jobs_eta *je;
cc372b17 1288 double io_u_dist[FIO_IO_U_MAP_NR];
d6bb626e 1289 double io_u_lat_n[FIO_IO_U_LAT_N_NR];
cc372b17
SL		 1290 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
1291 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
1292 double usr_cpu, sys_cpu;
1293 int i;
b01af66b
CJ		 1294 size_t size;
1295
cc372b17
SL		 1296 root = json_create_object();
1297 json_object_add_value_string(root, "jobname", ts->name);
1298 json_object_add_value_int(root, "groupid", ts->groupid);
1299 json_object_add_value_int(root, "error", ts->error);
1300
b01af66b 1301 /* ETA Info */
c5103619 1302 je = get_jobs_eta(true, &size);
2de615ad
JA		 1303 if (je) {
1304 json_object_add_value_int(root, "eta", je->eta_sec);
1305 json_object_add_value_int(root, "elapsed", je->elapsed_sec);
1306 }
b01af66b 1307
66e19a38 1308 if (opt_list)
0cf542af 1309 json_add_job_opts(root, "job options", opt_list);
66e19a38 1310
cc372b17
SL		 1311 add_ddir_status_json(ts, rs, DDIR_READ, root);
1312 add_ddir_status_json(ts, rs, DDIR_WRITE, root);
f3afa57e 1313 add_ddir_status_json(ts, rs, DDIR_TRIM, root);
b2b3eefe 1314 add_ddir_status_json(ts, rs, DDIR_SYNC, root);
cc372b17
SL		 1315
1316 /* CPU Usage */
1317 if (ts->total_run_time) {
1318 double runt = (double) ts->total_run_time;
1319
1320 usr_cpu = (double) ts->usr_time * 100 / runt;
1321 sys_cpu = (double) ts->sys_time * 100 / runt;
1322 } else {
1323 usr_cpu = 0;
1324 sys_cpu = 0;
1325 }
bcbb4c6c 1326 json_object_add_value_int(root, "job_runtime", ts->total_run_time);
cc372b17
SL		 1327 json_object_add_value_float(root, "usr_cpu", usr_cpu);
1328 json_object_add_value_float(root, "sys_cpu", sys_cpu);
1329 json_object_add_value_int(root, "ctx", ts->ctx);
1330 json_object_add_value_int(root, "majf", ts->majf);
1331 json_object_add_value_int(root, "minf", ts->minf);
1332
ec3e3648 1333 /* Calc % distribution of IO depths */
d79db122 1334 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
cc372b17
SL		 1335 tmp = json_create_object();
1336 json_object_add_value_object(root, "iodepth_level", tmp);
1337 /* Only show fixed 7 I/O depth levels*/
1338 for (i = 0; i < 7; i++) {
1339 char name[20];
1340 if (i < 6)
98ffb8f3 1341 snprintf(name, 20, "%d", 1 << i);
cc372b17 1342 else
98ffb8f3 1343 snprintf(name, 20, ">=%d", 1 << i);
cc372b17
SL		 1344 json_object_add_value_float(tmp, (const char *)name, io_u_dist[i]);
1345 }
1346
ec3e3648
VF		 1347 /* Calc % distribution of submit IO depths */
1348 stat_calc_dist(ts->io_u_submit, ts->total_submit, io_u_dist);
1349 tmp = json_create_object();
1350 json_object_add_value_object(root, "iodepth_submit", tmp);
1351 /* Only show fixed 7 I/O depth levels*/
1352 for (i = 0; i < 7; i++) {
1353 char name[20];
1354 if (i == 0)
1355 snprintf(name, 20, "0");
1356 else if (i < 6)
1357 snprintf(name, 20, "%d", 1 << (i+1));
1358 else
1359 snprintf(name, 20, ">=%d", 1 << i);
1360 json_object_add_value_float(tmp, (const char *)name, io_u_dist[i]);
1361 }
1362
1363 /* Calc % distribution of completion IO depths */
1364 stat_calc_dist(ts->io_u_complete, ts->total_complete, io_u_dist);
1365 tmp = json_create_object();
1366 json_object_add_value_object(root, "iodepth_complete", tmp);
1367 /* Only show fixed 7 I/O depth levels*/
1368 for (i = 0; i < 7; i++) {
1369 char name[20];
1370 if (i == 0)
1371 snprintf(name, 20, "0");
1372 else if (i < 6)
1373 snprintf(name, 20, "%d", 1 << (i+1));
1374 else
1375 snprintf(name, 20, ">=%d", 1 << i);
1376 json_object_add_value_float(tmp, (const char *)name, io_u_dist[i]);
1377 }
1378
1379 /* Calc % distribution of nsecond, usecond, msecond latency */
1380 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
1381 stat_calc_lat_n(ts, io_u_lat_n);
1382 stat_calc_lat_u(ts, io_u_lat_u);
1383 stat_calc_lat_m(ts, io_u_lat_m);
1384
d6bb626e 1385 /* Nanosecond latency */
cc372b17 1386 tmp = json_create_object();
d6bb626e
VF		 1387 json_object_add_value_object(root, "latency_ns", tmp);
1388 for (i = 0; i < FIO_IO_U_LAT_N_NR; i++) {
1389 const char *ranges[] = { "2", "4", "10", "20", "50", "100",
1390 "250", "500", "750", "1000", };
1391 json_object_add_value_float(tmp, ranges[i], io_u_lat_n[i]);
1392 }
cc372b17 1393 /* Microsecond latency */
d6bb626e
VF		 1394 tmp = json_create_object();
1395 json_object_add_value_object(root, "latency_us", tmp);
cc372b17
SL		 1396 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) {
1397 const char *ranges[] = { "2", "4", "10", "20", "50", "100",
1398 "250", "500", "750", "1000", };
1399 json_object_add_value_float(tmp, ranges[i], io_u_lat_u[i]);
1400 }
1401 /* Millisecond latency */
1402 tmp = json_create_object();
1403 json_object_add_value_object(root, "latency_ms", tmp);
1404 for (i = 0; i < FIO_IO_U_LAT_M_NR; i++) {
1405 const char *ranges[] = { "2", "4", "10", "20", "50", "100",
1406 "250", "500", "750", "1000", "2000",
1407 ">=2000", };
1408 json_object_add_value_float(tmp, ranges[i], io_u_lat_m[i]);
1409 }
1410
1411 /* Additional output if continue_on_error set - default off*/
1412 if (ts->continue_on_error) {
1413 json_object_add_value_int(root, "total_err", ts->total_err_count);
952b05e0 1414 json_object_add_value_int(root, "first_error", ts->first_error);
cc372b17
SL		 1415 }
1416
3e260a46
JA		 1417 if (ts->latency_depth) {
1418 json_object_add_value_int(root, "latency_depth", ts->latency_depth);
1419 json_object_add_value_int(root, "latency_target", ts->latency_target);
1420 json_object_add_value_float(root, "latency_percentile", ts->latency_percentile.u.f);
1421 json_object_add_value_int(root, "latency_window", ts->latency_window);
1422 }
1423
cc372b17
SL		 1424 /* Additional output if description is set */
1425 if (strlen(ts->description))
1426 json_object_add_value_string(root, "desc", ts->description);
1427
66347cfa
DE		 1428 if (ts->nr_block_infos) {
1429 /* Block error histogram and types */
1430 int len;
1431 unsigned int *percentiles = NULL;
1432 unsigned int block_state_counts[BLOCK_STATE_COUNT];
1433
1434 len = calc_block_percentiles(ts->nr_block_infos, ts->block_infos,
1435 ts->percentile_list,
1436 &percentiles, block_state_counts);
1437
1438 if (len) {
1439 struct json_object *block, *percentile_object, *states;
8a68c41c 1440 int state;
66347cfa
DE		 1441 block = json_create_object();
1442 json_object_add_value_object(root, "block", block);
1443
1444 percentile_object = json_create_object();
1445 json_object_add_value_object(block, "percentiles",
1446 percentile_object);
1447 for (i = 0; i < len; i++) {
1448 char buf[20];
1449 snprintf(buf, sizeof(buf), "%f",
1450 ts->percentile_list[i].u.f);
1451 json_object_add_value_int(percentile_object,
1452 (const char *)buf,
1453 percentiles[i]);
1454 }
1455
1456 states = json_create_object();
1457 json_object_add_value_object(block, "states", states);
1458 for (state = 0; state < BLOCK_STATE_COUNT; state++) {
1459 json_object_add_value_int(states,
1460 block_state_names[state],
1461 block_state_counts[state]);
1462 }
1463 free(percentiles);
1464 }
1465 }
1466
bb49c8bd 1467 if (ts->ss_dur) {
ba8fb6f6
VF		 1468 struct json_object *data;
1469 struct json_array *iops, *bw;
a43f4461 1470 int j, k, l;
6da94b07 1471 char ss_buf[64];
16e56d25 1472
6da94b07 1473 snprintf(ss_buf, sizeof(ss_buf), "%s%s:%f%s",
c8caba48
JA		 1474 ts->ss_state & FIO_SS_IOPS ? "iops" : "bw",
1475 ts->ss_state & FIO_SS_SLOPE ? "_slope" : "",
bb49c8bd 1476 (float) ts->ss_limit.u.f,
c8caba48 1477 ts->ss_state & FIO_SS_PCT ? "%" : "");
16e56d25
VF		 1478
1479 tmp = json_create_object();
1480 json_object_add_value_object(root, "steadystate", tmp);
6da94b07 1481 json_object_add_value_string(tmp, "ss", ss_buf);
bb49c8bd 1482 json_object_add_value_int(tmp, "duration", (int)ts->ss_dur);
c8caba48 1483 json_object_add_value_int(tmp, "attained", (ts->ss_state & FIO_SS_ATTAINED) > 0);
6da94b07 1484
bb49c8bd 1485 snprintf(ss_buf, sizeof(ss_buf), "%f%s", (float) ts->ss_criterion.u.f,
c8caba48 1486 ts->ss_state & FIO_SS_PCT ? "%" : "");
6da94b07 1487 json_object_add_value_string(tmp, "criterion", ss_buf);
bb49c8bd
VF		 1488 json_object_add_value_float(tmp, "max_deviation", ts->ss_deviation.u.f);
1489 json_object_add_value_float(tmp, "slope", ts->ss_slope.u.f);
ba8fb6f6
VF		 1490
1491 data = json_create_object();
1492 json_object_add_value_object(tmp, "data", data);
1493 bw = json_create_array();
1494 iops = json_create_array();
412c7d91
VF		 1495
1496 /*
1497 ** if ss was attained or the buffer is not full,
1498 ** ss->head points to the first element in the list.
1499 ** otherwise it actually points to the second element
1500 ** in the list
1501 */
c8caba48 1502 if ((ts->ss_state & FIO_SS_ATTAINED) || !(ts->ss_state & FIO_SS_BUFFER_FULL))
bb49c8bd 1503 j = ts->ss_head;
412c7d91 1504 else
bb49c8bd 1505 j = ts->ss_head == 0 ? ts->ss_dur - 1 : ts->ss_head - 1;
a43f4461
JA		 1506 for (l = 0; l < ts->ss_dur; l++) {
1507 k = (j + l) % ts->ss_dur;
bb49c8bd
VF		 1508 json_array_add_value_int(bw, ts->ss_bw_data[k]);
1509 json_array_add_value_int(iops, ts->ss_iops_data[k]);
16e56d25 1510 }
bb49c8bd
VF		 1511 json_object_add_value_int(data, "bw_mean", steadystate_bw_mean(ts));
1512 json_object_add_value_int(data, "iops_mean", steadystate_iops_mean(ts));
6da94b07
VF		 1513 json_object_add_value_array(data, "iops", iops);
1514 json_object_add_value_array(data, "bw", bw);
16e56d25
VF		 1515 }
1516
cc372b17
SL		 1517 return root;
1518}
1519
4d658652 1520static void show_thread_status_terse(struct thread_stat *ts,
a666cab8
JA		 1521 struct group_run_stats *rs,
1522 struct buf_output *out)
4d658652 1523{
a2c95580 1524 if (terse_version >= 2 && terse_version <= 5)
bef2112b 1525 show_thread_status_terse_all(ts, rs, terse_version, out);
4d658652
JA		 1526 else
1527 log_err("fio: bad terse version!? %d\n", terse_version);
1528}
1529
952b05e0 1530struct json_object *show_thread_status(struct thread_stat *ts,
a666cab8 1531 struct group_run_stats *rs,
0279b880 1532 struct flist_head *opt_list,
a666cab8 1533 struct buf_output *out)
952b05e0 1534{
129fb2d4
JA		 1535 struct json_object *ret = NULL;
1536
1537 if (output_format & FIO_OUTPUT_TERSE)
a666cab8 1538 show_thread_status_terse(ts, rs, out);
129fb2d4 1539 if (output_format & FIO_OUTPUT_JSON)
0279b880 1540 ret = show_thread_status_json(ts, rs, opt_list);
129fb2d4 1541 if (output_format & FIO_OUTPUT_NORMAL)
a666cab8 1542 show_thread_status_normal(ts, rs, out);
129fb2d4
JA		 1543
1544 return ret;
952b05e0
CF		 1545}
1546
70750d6a 1547static void __sum_stat(struct io_stat *dst, struct io_stat *src, bool first)
756867bd
JA		 1548{
1549 double mean, S;
1550
1551 dst->min_val = min(dst->min_val, src->min_val);
1552 dst->max_val = max(dst->max_val, src->max_val);
756867bd
JA		 1553
1554 /*
cdcac5cf
YH		 1555 * Compute new mean and S after the merge
1556 * <http://en.wikipedia.org/wiki/Algorithms_for_calculating_variance
1557 * #Parallel_algorithm>
756867bd 1558 */
fd595830 1559 if (first) {
802ad4a8
JA		 1560 mean = src->mean.u.f;
1561 S = src->S.u.f;
756867bd 1562 } else {
802ad4a8 1563 double delta = src->mean.u.f - dst->mean.u.f;
cdcac5cf 1564
802ad4a8
JA		 1565 mean = ((src->mean.u.f * src->samples) +
1566 (dst->mean.u.f * dst->samples)) /
cdcac5cf
YH		 1567 (dst->samples + src->samples);
1568
802ad4a8 1569 S = src->S.u.f + dst->S.u.f + pow(delta, 2.0) *
cdcac5cf
YH		 1570 (dst->samples * src->samples) /
1571 (dst->samples + src->samples);
756867bd
JA		 1572 }
1573
cdcac5cf 1574 dst->samples += src->samples;
802ad4a8
JA		 1575 dst->mean.u.f = mean;
1576 dst->S.u.f = S;
70750d6a
JA		 1577
1578}
1579
1580/*
1581 * We sum two kinds of stats - one that is time based, in which case we
1582 * apply the proper summing technique, and then one that is iops/bw
1583 * numbers. For group_reporting, we should just add those up, not make
1584 * them the mean of everything.
1585 */
1586static void sum_stat(struct io_stat *dst, struct io_stat *src, bool first,
1587 bool pure_sum)
1588{
1589 if (src->samples == 0)
1590 return;
1591
1592 if (!pure_sum) {
1593 __sum_stat(dst, src, first);
1594 return;
1595 }
1596
68afa5b5
JA		 1597 if (first) {
1598 dst->min_val = src->min_val;
1599 dst->max_val = src->max_val;
1600 dst->samples = src->samples;
1601 dst->mean.u.f = src->mean.u.f;
1602 dst->S.u.f = src->S.u.f;
1603 } else {
1604 dst->min_val += src->min_val;
1605 dst->max_val += src->max_val;
1606 dst->samples += src->samples;
1607 dst->mean.u.f += src->mean.u.f;
1608 dst->S.u.f += src->S.u.f;
1609 }
756867bd
JA		 1610}
1611
37f0c1ae
JA		 1612void sum_group_stats(struct group_run_stats *dst, struct group_run_stats *src)
1613{
1614 int i;
1615
6eaf09d6 1616 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
37f0c1ae
JA		 1617 if (dst->max_run[i] < src->max_run[i])
1618 dst->max_run[i] = src->max_run[i];
1619 if (dst->min_run[i] && dst->min_run[i] > src->min_run[i])
1620 dst->min_run[i] = src->min_run[i];
1621 if (dst->max_bw[i] < src->max_bw[i])
1622 dst->max_bw[i] = src->max_bw[i];
1623 if (dst->min_bw[i] && dst->min_bw[i] > src->min_bw[i])
1624 dst->min_bw[i] = src->min_bw[i];
1625
af7f87cb 1626 dst->iobytes[i] += src->iobytes[i];
37f0c1ae
JA		 1627 dst->agg[i] += src->agg[i];
1628 }
1629
dbae1bd6
JA		 1630 if (!dst->kb_base)
1631 dst->kb_base = src->kb_base;
1632 if (!dst->unit_base)
1633 dst->unit_base = src->unit_base;
18aa1998
JF		 1634 if (!dst->sig_figs)
1635 dst->sig_figs = src->sig_figs;
37f0c1ae
JA		 1636}
1637
fd595830
JA		 1638void sum_thread_stats(struct thread_stat *dst, struct thread_stat *src,
1639 bool first)
5b9babb7
JA		 1640{
1641 int l, k;
1642
6eaf09d6 1643 for (l = 0; l < DDIR_RWDIR_CNT; l++) {
771e58be 1644 if (!dst->unified_rw_rep) {
70750d6a
JA		 1645 sum_stat(&dst->clat_stat[l], &src->clat_stat[l], first, false);
1646 sum_stat(&dst->slat_stat[l], &src->slat_stat[l], first, false);
1647 sum_stat(&dst->lat_stat[l], &src->lat_stat[l], first, false);
1648 sum_stat(&dst->bw_stat[l], &src->bw_stat[l], first, true);
1649 sum_stat(&dst->iops_stat[l], &src->iops_stat[l], first, true);
771e58be
JA		 1650
1651 dst->io_bytes[l] += src->io_bytes[l];
1652
1653 if (dst->runtime[l] < src->runtime[l])
1654 dst->runtime[l] = src->runtime[l];
1655 } else {
70750d6a
JA		 1656 sum_stat(&dst->clat_stat[0], &src->clat_stat[l], first, false);
1657 sum_stat(&dst->slat_stat[0], &src->slat_stat[l], first, false);
1658 sum_stat(&dst->lat_stat[0], &src->lat_stat[l], first, false);
1659 sum_stat(&dst->bw_stat[0], &src->bw_stat[l], first, true);
1660 sum_stat(&dst->iops_stat[0], &src->iops_stat[l], first, true);
771e58be
JA		 1661
1662 dst->io_bytes[0] += src->io_bytes[l];
1663
1664 if (dst->runtime[0] < src->runtime[l])
1665 dst->runtime[0] = src->runtime[l];
fd595830
JA		 1666
1667 /*
1668 * We're summing to the same destination, so override
1669 * 'first' after the first iteration of the loop
1670 */
1671 first = false;
771e58be 1672 }
5b9babb7
JA		 1673 }
1674
70750d6a 1675 sum_stat(&dst->sync_stat, &src->sync_stat, first, false);
5b9babb7
JA		 1676 dst->usr_time += src->usr_time;
1677 dst->sys_time += src->sys_time;
1678 dst->ctx += src->ctx;
1679 dst->majf += src->majf;
1680 dst->minf += src->minf;
1681
b2b3eefe 1682 for (k = 0; k < FIO_IO_U_MAP_NR; k++) {
5b9babb7 1683 dst->io_u_map[k] += src->io_u_map[k];
5b9babb7 1684 dst->io_u_submit[k] += src->io_u_submit[k];
5b9babb7 1685 dst->io_u_complete[k] += src->io_u_complete[k];
b2b3eefe 1686 }
bf14b39e
VF		 1687
1688 for (k = 0; k < FIO_IO_U_LAT_N_NR; k++)
d6bb626e 1689 dst->io_u_lat_n[k] += src->io_u_lat_n[k];
bf14b39e 1690 for (k = 0; k < FIO_IO_U_LAT_U_NR; k++)
5b9babb7 1691 dst->io_u_lat_u[k] += src->io_u_lat_u[k];
bf14b39e 1692 for (k = 0; k < FIO_IO_U_LAT_M_NR; k++)
5b9babb7 1693 dst->io_u_lat_m[k] += src->io_u_lat_m[k];
bf14b39e 1694
b2b3eefe
JA		 1695 for (k = 0; k < FIO_IO_U_PLAT_NR; k++)
1696 dst->io_u_sync_plat[k] += src->io_u_sync_plat[k];
5b9babb7 1697
6eaf09d6 1698 for (k = 0; k < DDIR_RWDIR_CNT; k++) {
771e58be
JA		 1699 if (!dst->unified_rw_rep) {
1700 dst->total_io_u[k] += src->total_io_u[k];
1701 dst->short_io_u[k] += src->short_io_u[k];
3bcb9d94 1702 dst->drop_io_u[k] += src->drop_io_u[k];
771e58be
JA		 1703 } else {
1704 dst->total_io_u[0] += src->total_io_u[k];
1705 dst->short_io_u[0] += src->short_io_u[k];
3bcb9d94 1706 dst->drop_io_u[0] += src->drop_io_u[k];
771e58be 1707 }
5b9babb7
JA		 1708 }
1709
7f3ecee2
JA		 1710 dst->total_io_u[DDIR_SYNC] += src->total_io_u[DDIR_SYNC];
1711
6eaf09d6 1712 for (k = 0; k < DDIR_RWDIR_CNT; k++) {
5b9babb7 1713 int m;
771e58be
JA		 1714
1715 for (m = 0; m < FIO_IO_U_PLAT_NR; m++) {
1716 if (!dst->unified_rw_rep)
1717 dst->io_u_plat[k][m] += src->io_u_plat[k][m];
1718 else
1719 dst->io_u_plat[0][m] += src->io_u_plat[k][m];
1720 }
5b9babb7
JA		 1721 }
1722
1723 dst->total_run_time += src->total_run_time;
1724 dst->total_submit += src->total_submit;
1725 dst->total_complete += src->total_complete;
fd5d733f 1726 dst->nr_zone_resets += src->nr_zone_resets;
96563db9
JA		 1727 dst->cachehit += src->cachehit;
1728 dst->cachemiss += src->cachemiss;
5b9babb7
JA		 1729}
1730
37f0c1ae
JA		 1731void init_group_run_stat(struct group_run_stats *gs)
1732{
6eaf09d6 1733 int i;
37f0c1ae 1734 memset(gs, 0, sizeof(*gs));
6eaf09d6
SL		 1735
1736 for (i = 0; i < DDIR_RWDIR_CNT; i++)
1737 gs->min_bw[i] = gs->min_run[i] = ~0UL;
37f0c1ae
JA		 1738}
1739
1740void init_thread_stat(struct thread_stat *ts)
1741{
1742 int j;
1743
1744 memset(ts, 0, sizeof(*ts));
1745
6eaf09d6 1746 for (j = 0; j < DDIR_RWDIR_CNT; j++) {
37f0c1ae
JA		 1747 ts->lat_stat[j].min_val = -1UL;
1748 ts->clat_stat[j].min_val = -1UL;
1749 ts->slat_stat[j].min_val = -1UL;
1750 ts->bw_stat[j].min_val = -1UL;
188b6016 1751 ts->iops_stat[j].min_val = -1UL;
37f0c1ae 1752 }
7f3ecee2 1753 ts->sync_stat.min_val = -1UL;
37f0c1ae
JA		 1754 ts->groupid = -1;
1755}
1756
83f7b64e 1757void __show_run_stats(void)
3c39a379
JA		 1758{
1759 struct group_run_stats *runstats, *rs;
1760 struct thread_data *td;
756867bd 1761 struct thread_stat *threadstats, *ts;
4da24b69 1762 int i, j, k, nr_ts, last_ts, idx;
8985b491
JA		 1763 bool kb_base_warned = false;
1764 bool unit_base_warned = false;
cc372b17
SL		 1765 struct json_object *root = NULL;
1766 struct json_array *array = NULL;
a666cab8 1767 struct buf_output output[FIO_OUTPUT_NR];
66e19a38 1768 struct flist_head **opt_lists;
a666cab8 1769
3c39a379
JA		 1770 runstats = malloc(sizeof(struct group_run_stats) * (groupid + 1));
1771
37f0c1ae
JA		 1772 for (i = 0; i < groupid + 1; i++)
1773 init_group_run_stat(&runstats[i]);
3c39a379 1774
756867bd
JA		 1775 /*
1776 * find out how many threads stats we need. if group reporting isn't
1777 * enabled, it's one-per-td.
1778 */
1779 nr_ts = 0;
1780 last_ts = -1;
1781 for_each_td(td, i) {
2dc1bbeb 1782 if (!td->o.group_reporting) {
756867bd
JA		 1783 nr_ts++;
1784 continue;
1785 }
1786 if (last_ts == td->groupid)
1787 continue;
8243be59
JA		 1788 if (!td->o.stats)
1789 continue;
756867bd
JA		 1790
1791 last_ts = td->groupid;
1792 nr_ts++;
1793 }
1794
1795 threadstats = malloc(nr_ts * sizeof(struct thread_stat));
66e19a38 1796 opt_lists = malloc(nr_ts * sizeof(struct flist_head *));
756867bd 1797
66e19a38 1798 for (i = 0; i < nr_ts; i++) {
37f0c1ae 1799 init_thread_stat(&threadstats[i]);
66e19a38
JA		 1800 opt_lists[i] = NULL;
1801 }
756867bd
JA		 1802
1803 j = 0;
1804 last_ts = -1;
197574e4 1805 idx = 0;
34572e28 1806 for_each_td(td, i) {
8243be59
JA		 1807 if (!td->o.stats)
1808 continue;
2dc1bbeb
JA		 1809 if (idx && (!td->o.group_reporting ||
1810 (td->o.group_reporting && last_ts != td->groupid))) {
7abd0e3a
JA		 1811 idx = 0;
1812 j++;
1813 }
1814
1815 last_ts = td->groupid;
1816
756867bd
JA		 1817 ts = &threadstats[j];
1818
83349190 1819 ts->clat_percentiles = td->o.clat_percentiles;
b599759b 1820 ts->lat_percentiles = td->o.lat_percentiles;
435d195a 1821 ts->percentile_precision = td->o.percentile_precision;
fd112d34 1822 memcpy(ts->percentile_list, td->o.percentile_list, sizeof(td->o.percentile_list));
66e19a38 1823 opt_lists[j] = &td->opt_list;
83349190 1824
197574e4 1825 idx++;
6586ee89 1826 ts->members++;
756867bd 1827
7abd0e3a 1828 if (ts->groupid == -1) {
2dc84ba7
JA		 1829 /*
1830 * These are per-group shared already
1831 */
36833fb0 1832 snprintf(ts->name, sizeof(ts->name), "%s", td->o.name);
a64e88da 1833 if (td->o.description)
36833fb0
BVA		 1834 snprintf(ts->description,
1835 sizeof(ts->description), "%s",
1836 td->o.description);
a64e88da 1837 else
4e59d0f3 1838 memset(ts->description, 0, FIO_JOBDESC_SIZE);
a64e88da 1839
2f122b13
JA		 1840 /*
1841 * If multiple entries in this group, this is
1842 * the first member.
1843 */
1844 ts->thread_number = td->thread_number;
756867bd 1845 ts->groupid = td->groupid;
2dc84ba7
JA		 1846
1847 /*
1848 * first pid in group, not very useful...
1849 */
756867bd 1850 ts->pid = td->pid;
90fef2d1
JA		 1851
1852 ts->kb_base = td->o.kb_base;
ad705bcb 1853 ts->unit_base = td->o.unit_base;
e883cb35 1854 ts->sig_figs = td->o.sig_figs;
771e58be 1855 ts->unified_rw_rep = td->o.unified_rw_rep;
90fef2d1
JA		 1856 } else if (ts->kb_base != td->o.kb_base && !kb_base_warned) {
1857 log_info("fio: kb_base differs for jobs in group, using"
1858 " %u as the base\n", ts->kb_base);
8985b491 1859 kb_base_warned = true;
ad705bcb
SN		 1860 } else if (ts->unit_base != td->o.unit_base && !unit_base_warned) {
1861 log_info("fio: unit_base differs for jobs in group, using"
1862 " %u as the base\n", ts->unit_base);
8985b491 1863 unit_base_warned = true;
2dc84ba7
JA		 1864 }
1865
f2bba182
RR		 1866 ts->continue_on_error = td->o.continue_on_error;
1867 ts->total_err_count += td->total_err_count;
1868 ts->first_error = td->first_error;
1869 if (!ts->error) {
1870 if (!td->error && td->o.continue_on_error &&
1871 td->first_error) {
1872 ts->error = td->first_error;
36833fb0
BVA		 1873 snprintf(ts->verror, sizeof(ts->verror), "%s",
1874 td->verror);
f2bba182
RR		 1875 } else if (td->error) {
1876 ts->error = td->error;
36833fb0
BVA		 1877 snprintf(ts->verror, sizeof(ts->verror), "%s",
1878 td->verror);
f2bba182 1879 }
756867bd
JA		 1880 }
1881
3e260a46
JA		 1882 ts->latency_depth = td->latency_qd;
1883 ts->latency_target = td->o.latency_target;
1884 ts->latency_percentile = td->o.latency_percentile;
1885 ts->latency_window = td->o.latency_window;
1886
0e4dd95c 1887 ts->nr_block_infos = td->ts.nr_block_infos;
4da24b69
JA		 1888 for (k = 0; k < ts->nr_block_infos; k++)
1889 ts->block_infos[k] = td->ts.block_infos[k];
0e4dd95c 1890
fd595830 1891 sum_thread_stats(ts, &td->ts, idx == 1);
16e56d25 1892
bb49c8bd
VF		 1893 if (td->o.ss_dur) {
1894 ts->ss_state = td->ss.state;
1895 ts->ss_dur = td->ss.dur;
1896 ts->ss_head = td->ss.head;
bb49c8bd
VF		 1897 ts->ss_bw_data = td->ss.bw_data;
1898 ts->ss_iops_data = td->ss.iops_data;
1899 ts->ss_limit.u.f = td->ss.limit;
1900 ts->ss_slope.u.f = td->ss.slope;
1901 ts->ss_deviation.u.f = td->ss.deviation;
1902 ts->ss_criterion.u.f = td->ss.criterion;
1903 }
16e56d25 1904 else
bb49c8bd 1905 ts->ss_dur = ts->ss_state = 0;
756867bd
JA		 1906 }
1907
1908 for (i = 0; i < nr_ts; i++) {
94370ac4 1909 unsigned long long bw;
3c39a379 1910
756867bd 1911 ts = &threadstats[i];
dedb88eb
JA		 1912 if (ts->groupid == -1)
1913 continue;
756867bd 1914 rs = &runstats[ts->groupid];
90fef2d1 1915 rs->kb_base = ts->kb_base;
ad705bcb 1916 rs->unit_base = ts->unit_base;
e883cb35 1917 rs->sig_figs = ts->sig_figs;
771e58be 1918 rs->unified_rw_rep += ts->unified_rw_rep;
3c39a379 1919
6eaf09d6 1920 for (j = 0; j < DDIR_RWDIR_CNT; j++) {
94370ac4
JA		 1921 if (!ts->runtime[j])
1922 continue;
1923 if (ts->runtime[j] < rs->min_run[j] || !rs->min_run[j])
1924 rs->min_run[j] = ts->runtime[j];
1925 if (ts->runtime[j] > rs->max_run[j])
1926 rs->max_run[j] = ts->runtime[j];
1927
1928 bw = 0;
af7f87cb
RE		 1929 if (ts->runtime[j])
1930 bw = ts->io_bytes[j] * 1000 / ts->runtime[j];
94370ac4
JA		 1931 if (bw < rs->min_bw[j])
1932 rs->min_bw[j] = bw;
1933 if (bw > rs->max_bw[j])
1934 rs->max_bw[j] = bw;
1935
af7f87cb 1936 rs->iobytes[j] += ts->io_bytes[j];
94370ac4 1937 }
3c39a379
JA		 1938 }
1939
1940 for (i = 0; i < groupid + 1; i++) {
6eaf09d6
SL		 1941 int ddir;
1942
3c39a379
JA		 1943 rs = &runstats[i];
1944
6eaf09d6
SL		 1945 for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++) {
1946 if (rs->max_run[ddir])
af7f87cb 1947 rs->agg[ddir] = (rs->iobytes[ddir] * 1000) /
6eaf09d6
SL		 1948 rs->max_run[ddir];
1949 }
3c39a379
JA		 1950 }
1951
a666cab8 1952 for (i = 0; i < FIO_OUTPUT_NR; i++)
e250c0a9 1953 buf_output_init(&output[i]);
a666cab8 1954
3c39a379
JA		 1955 /*
1956 * don't overwrite last signal output
1957 */
129fb2d4 1958 if (output_format & FIO_OUTPUT_NORMAL)
a666cab8 1959 log_buf(&output[__FIO_OUTPUT_NORMAL], "\n");
129fb2d4 1960 if (output_format & FIO_OUTPUT_JSON) {
66e19a38 1961 struct thread_data *global;
35326842 1962 char time_buf[32];
aa7d2ef0
RH		 1963 struct timeval now;
1964 unsigned long long ms_since_epoch;
afd74e2a 1965 time_t tv_sec;
91e53870 1966
aa7d2ef0
RH		 1967 gettimeofday(&now, NULL);
1968 ms_since_epoch = (unsigned long long)(now.tv_sec) * 1000 +
1969 (unsigned long long)(now.tv_usec) / 1000;
1970
afd74e2a
BVA		 1971 tv_sec = now.tv_sec;
1972 os_ctime_r(&tv_sec, time_buf, sizeof(time_buf));
1d272416
JA		 1973 if (time_buf[strlen(time_buf) - 1] == '\n')
1974 time_buf[strlen(time_buf) - 1] = '\0';
91e53870 1975
cc372b17
SL		 1976 root = json_create_object();
1977 json_object_add_value_string(root, "fio version", fio_version_string);
aa7d2ef0
RH		 1978 json_object_add_value_int(root, "timestamp", now.tv_sec);
1979 json_object_add_value_int(root, "timestamp_ms", ms_since_epoch);
91e53870 1980 json_object_add_value_string(root, "time", time_buf);
66e19a38 1981 global = get_global_options();
0cf542af 1982 json_add_job_opts(root, "global options", &global->opt_list);
cc372b17
SL		 1983 array = json_create_array();
1984 json_object_add_value_array(root, "jobs", array);
1985 }
3c39a379 1986
0279b880
JA		 1987 if (is_backend)
1988 fio_server_send_job_options(&get_global_options()->opt_list, -1U);
1989
756867bd
JA		 1990 for (i = 0; i < nr_ts; i++) {
1991 ts = &threadstats[i];
1992 rs = &runstats[ts->groupid];
3c39a379 1993
0279b880
JA		 1994 if (is_backend) {
1995 fio_server_send_job_options(opt_lists[i], i);
a64e88da 1996 fio_server_send_ts(ts, rs);
0279b880 1997 } else {
129fb2d4 1998 if (output_format & FIO_OUTPUT_TERSE)
a666cab8 1999 show_thread_status_terse(ts, rs, &output[__FIO_OUTPUT_TERSE]);
129fb2d4 2000 if (output_format & FIO_OUTPUT_JSON) {
66e19a38 2001 struct json_object *tmp = show_thread_status_json(ts, rs, opt_lists[i]);
129fb2d4
JA		 2002 json_array_add_value_object(array, tmp);
2003 }
2004 if (output_format & FIO_OUTPUT_NORMAL)
a666cab8 2005 show_thread_status_normal(ts, rs, &output[__FIO_OUTPUT_NORMAL]);
129fb2d4 2006 }
3c39a379 2007 }
ab34ddd1 2008 if (!is_backend && (output_format & FIO_OUTPUT_JSON)) {
cc372b17 2009 /* disk util stats, if any */
a666cab8 2010 show_disk_util(1, root, &output[__FIO_OUTPUT_JSON]);
cc372b17 2011
a666cab8 2012 show_idle_prof_stats(FIO_OUTPUT_JSON, root, &output[__FIO_OUTPUT_JSON]);
f2a2ce0e 2013
a666cab8
JA		 2014 json_print_object(root, &output[__FIO_OUTPUT_JSON]);
2015 log_buf(&output[__FIO_OUTPUT_JSON], "\n");
cc372b17
SL		 2016 json_free_object(root);
2017 }
3c39a379 2018
72c27ff8
JA		 2019 for (i = 0; i < groupid + 1; i++) {
2020 rs = &runstats[i];
3c39a379 2021
72c27ff8 2022 rs->groupid = i;
d09a64a0 2023 if (is_backend)
72c27ff8 2024 fio_server_send_gs(rs);
129fb2d4 2025 else if (output_format & FIO_OUTPUT_NORMAL)
a666cab8 2026 show_group_stats(rs, &output[__FIO_OUTPUT_NORMAL]);
c6ae0a5b 2027 }
eecf272f 2028
72c27ff8
JA		 2029 if (is_backend)
2030 fio_server_send_du();
129fb2d4 2031 else if (output_format & FIO_OUTPUT_NORMAL) {
a666cab8
JA		 2032 show_disk_util(0, NULL, &output[__FIO_OUTPUT_NORMAL]);
2033 show_idle_prof_stats(FIO_OUTPUT_NORMAL, NULL, &output[__FIO_OUTPUT_NORMAL]);
60904003 2034 }
f2a2ce0e 2035
3d57c0e9 2036 for (i = 0; i < FIO_OUTPUT_NR; i++) {
3dc3aa41 2037 struct buf_output *out = &output[i];
8dd0eca3 2038
3dc3aa41 2039 log_info_buf(out->buf, out->buflen);
3dc3aa41 2040 buf_output_free(out);
3d57c0e9 2041 }
2b8c71b0 2042
7ceefc09
FS		 2043 fio_idle_prof_cleanup();
2044
fdd5f15f 2045 log_info_flush();
eecf272f 2046 free(runstats);
756867bd 2047 free(threadstats);
66e19a38 2048 free(opt_lists);
3c39a379
JA		 2049}
2050
5ddc6707 2051void __show_running_run_stats(void)
b852e7cf
JA		 2052{
2053 struct thread_data *td;
2054 unsigned long long *rt;
8b6a404c 2055 struct timespec ts;
b852e7cf
JA		 2056 int i;
2057
971caeb1 2058 fio_sem_down(stat_sem);
90811930 2059
b852e7cf 2060 rt = malloc(thread_number * sizeof(unsigned long long));
8b6a404c 2061 fio_gettime(&ts, NULL);
b852e7cf
JA		 2062
2063 for_each_td(td, i) {
c97f1ad6 2064 td->update_rusage = 1;
6eaf09d6
SL		 2065 td->ts.io_bytes[DDIR_READ] = td->io_bytes[DDIR_READ];
2066 td->ts.io_bytes[DDIR_WRITE] = td->io_bytes[DDIR_WRITE];
2067 td->ts.io_bytes[DDIR_TRIM] = td->io_bytes[DDIR_TRIM];
8b6a404c 2068 td->ts.total_run_time = mtime_since(&td->epoch, &ts);
6c041a88 2069
8b6a404c 2070 rt[i] = mtime_since(&td->start, &ts);
6c041a88 2071 if (td_read(td) && td->ts.io_bytes[DDIR_READ])
2072 td->ts.runtime[DDIR_READ] += rt[i];
2073 if (td_write(td) && td->ts.io_bytes[DDIR_WRITE])
2074 td->ts.runtime[DDIR_WRITE] += rt[i];
2075 if (td_trim(td) && td->ts.io_bytes[DDIR_TRIM])
2076 td->ts.runtime[DDIR_TRIM] += rt[i];
b852e7cf
JA		 2077 }
2078
c97f1ad6 2079 for_each_td(td, i) {
fda2cfac
JA		 2080 if (td->runstate >= TD_EXITED)
2081 continue;
c97f1ad6
JA		 2082 if (td->rusage_sem) {
2083 td->update_rusage = 1;
971caeb1 2084 fio_sem_down(td->rusage_sem);
c97f1ad6
JA		 2085 }
2086 td->update_rusage = 0;
2087 }
2088
cef9175e 2089 __show_run_stats();
b852e7cf
JA		 2090
2091 for_each_td(td, i) {
6c041a88 2092 if (td_read(td) && td->ts.io_bytes[DDIR_READ])
b852e7cf 2093 td->ts.runtime[DDIR_READ] -= rt[i];
6c041a88 2094 if (td_write(td) && td->ts.io_bytes[DDIR_WRITE])
b852e7cf 2095 td->ts.runtime[DDIR_WRITE] -= rt[i];
6c041a88 2096 if (td_trim(td) && td->ts.io_bytes[DDIR_TRIM])
6eaf09d6 2097 td->ts.runtime[DDIR_TRIM] -= rt[i];
b852e7cf
JA		 2098 }
2099
2100 free(rt);
971caeb1 2101 fio_sem_up(stat_sem);
b852e7cf
JA		 2102}
2103
8985b491 2104static bool status_interval_init;
8b6a404c 2105static struct timespec status_time;
8985b491 2106static bool status_file_disabled;
06464907 2107
dac45f23 2108#define FIO_STATUS_FILE "fio-dump-status"
06464907
JA		 2109
2110static int check_status_file(void)
2111{
2112 struct stat sb;
a0bafb7d
BC		 2113 const char *temp_dir;
2114 char fio_status_file_path[PATH_MAX];
06464907 2115
77d99675
JA		 2116 if (status_file_disabled)
2117 return 0;
2118
a0bafb7d 2119 temp_dir = getenv("TMPDIR");
48b16e27 2120 if (temp_dir == NULL) {
a0bafb7d 2121 temp_dir = getenv("TEMP");
48b16e27
JA		 2122 if (temp_dir && strlen(temp_dir) >= PATH_MAX)
2123 temp_dir = NULL;
2124 }
a0bafb7d
BC		 2125 if (temp_dir == NULL)
2126 temp_dir = "/tmp";
3544731c
BVA		 2127#ifdef __COVERITY__
2128 __coverity_tainted_data_sanitize__(temp_dir);
2129#endif
a0bafb7d
BC		 2130
2131 snprintf(fio_status_file_path, sizeof(fio_status_file_path), "%s/%s", temp_dir, FIO_STATUS_FILE);
2132
2133 if (stat(fio_status_file_path, &sb))
06464907
JA		 2134 return 0;
2135
77d99675
JA		 2136 if (unlink(fio_status_file_path) < 0) {
2137 log_err("fio: failed to unlink %s: %s\n", fio_status_file_path,
2138 strerror(errno));
2139 log_err("fio: disabling status file updates\n");
8985b491 2140 status_file_disabled = true;
77d99675
JA		 2141 }
2142
06464907
JA		 2143 return 1;
2144}
2145
2146void check_for_running_stats(void)
2147{
2148 if (status_interval) {
2149 if (!status_interval_init) {
2150 fio_gettime(&status_time, NULL);
8985b491 2151 status_interval_init = true;
06464907
JA		 2152 } else if (mtime_since_now(&status_time) >= status_interval) {
2153 show_running_run_stats();
2154 fio_gettime(&status_time, NULL);
2155 return;
2156 }
2157 }
2158 if (check_status_file()) {
2159 show_running_run_stats();
2160 return;
2161 }
2162}
2163
d6bb626e 2164static inline void add_stat_sample(struct io_stat *is, unsigned long long data)
3c39a379 2165{
68704084 2166 double val = data;
6660cc67 2167 double delta;
68704084
JA		 2168
2169 if (data > is->max_val)
2170 is->max_val = data;
2171 if (data < is->min_val)
2172 is->min_val = data;
2173
802ad4a8 2174 delta = val - is->mean.u.f;
ef11d737 2175 if (delta) {
802ad4a8
JA		 2176 is->mean.u.f += delta / (is->samples + 1.0);
2177 is->S.u.f += delta * (val - is->mean.u.f);
ef11d737 2178 }
3c39a379 2179
3c39a379
JA		 2180 is->samples++;
2181}
2182
7e419452
JA		 2183/*
2184 * Return a struct io_logs, which is added to the tail of the log
2185 * list for 'iolog'.
2186 */
2187static struct io_logs *get_new_log(struct io_log *iolog)
2188{
2189 size_t new_size, new_samples;
2190 struct io_logs *cur_log;
2191
2192 /*
2193 * Cap the size at MAX_LOG_ENTRIES, so we don't keep doubling
2194 * forever
2195 */
2196 if (!iolog->cur_log_max)
2197 new_samples = DEF_LOG_ENTRIES;
2198 else {
2199 new_samples = iolog->cur_log_max * 2;
2200 if (new_samples > MAX_LOG_ENTRIES)
2201 new_samples = MAX_LOG_ENTRIES;
2202 }
2203
7e419452 2204 new_size = new_samples * log_entry_sz(iolog);
7e419452 2205
90d2d53f 2206 cur_log = smalloc(sizeof(*cur_log));
7e419452
JA		 2207 if (cur_log) {
2208 INIT_FLIST_HEAD(&cur_log->list);
2209 cur_log->log = malloc(new_size);
2210 if (cur_log->log) {
2211 cur_log->nr_samples = 0;
2212 cur_log->max_samples = new_samples;
2213 flist_add_tail(&cur_log->list, &iolog->io_logs);
2214 iolog->cur_log_max = new_samples;
2215 return cur_log;
2216 }
90d2d53f 2217 sfree(cur_log);
7e419452
JA		 2218 }
2219
2220 return NULL;
2221}
2222
1fed2080
JA		 2223/*
2224 * Add and return a new log chunk, or return current log if big enough
2225 */
2226static struct io_logs *regrow_log(struct io_log *iolog)
7e419452
JA		 2227{
2228 struct io_logs *cur_log;
1fed2080 2229 int i;
7e419452 2230
1fed2080 2231 if (!iolog || iolog->disabled)
2ab71dc4 2232 goto disable;
7e419452 2233
1fed2080 2234 cur_log = iolog_cur_log(iolog);
a9afa45a
JA		 2235 if (!cur_log) {
2236 cur_log = get_new_log(iolog);
2237 if (!cur_log)
2238 return NULL;
2239 }
2240
7e419452
JA		 2241 if (cur_log->nr_samples < cur_log->max_samples)
2242 return cur_log;
2243
2244 /*
2245 * No room for a new sample. If we're compressing on the fly, flush
2246 * out the current chunk
2247 */
2248 if (iolog->log_gz) {
2249 if (iolog_cur_flush(iolog, cur_log)) {
2250 log_err("fio: failed flushing iolog! Will stop logging.\n");
2251 return NULL;
2252 }
2253 }
2254
2255 /*
2256 * Get a new log array, and add to our list
2257 */
2258 cur_log = get_new_log(iolog);
1fed2080
JA		 2259 if (!cur_log) {
2260 log_err("fio: failed extending iolog! Will stop logging.\n");
2261 return NULL;
2262 }
2263
2264 if (!iolog->pending || !iolog->pending->nr_samples)
80a24ba9 2265 return cur_log;
7e419452 2266
1fed2080
JA		 2267 /*
2268 * Flush pending items to new log
2269 */
2270 for (i = 0; i < iolog->pending->nr_samples; i++) {
2271 struct io_sample *src, *dst;
2272
2273 src = get_sample(iolog, iolog->pending, i);
2274 dst = get_sample(iolog, cur_log, i);
2275 memcpy(dst, src, log_entry_sz(iolog));
2276 }
0b2eef49 2277 cur_log->nr_samples = iolog->pending->nr_samples;
1fed2080
JA		 2278
2279 iolog->pending->nr_samples = 0;
2280 return cur_log;
2ab71dc4
JA		 2281disable:
2282 if (iolog)
2283 iolog->disabled = true;
2284 return NULL;
1fed2080
JA		 2285}
2286
2287void regrow_logs(struct thread_data *td)
2288{
2ab71dc4
JA		 2289 regrow_log(td->slat_log);
2290 regrow_log(td->clat_log);
1e613c9c 2291 regrow_log(td->clat_hist_log);
2ab71dc4
JA		 2292 regrow_log(td->lat_log);
2293 regrow_log(td->bw_log);
2294 regrow_log(td->iops_log);
1fed2080
JA		 2295 td->flags &= ~TD_F_REGROW_LOGS;
2296}
2297
2298static struct io_logs *get_cur_log(struct io_log *iolog)
2299{
2300 struct io_logs *cur_log;
2301
2302 cur_log = iolog_cur_log(iolog);
2303 if (!cur_log) {
2304 cur_log = get_new_log(iolog);
2305 if (!cur_log)
2306 return NULL;
2307 }
2308
2309 if (cur_log->nr_samples < cur_log->max_samples)
2310 return cur_log;
2311
2312 /*
1eb467fb
JA		 2313 * Out of space. If we're in IO offload mode, or we're not doing
2314 * per unit logging (hence logging happens outside of the IO thread
2315 * as well), add a new log chunk inline. If we're doing inline
2316 * submissions, flag 'td' as needing a log regrow and we'll take
2317 * care of it on the submission side.
1fed2080 2318 */
ab5643cb 2319 if ((iolog->td && iolog->td->o.io_submit_mode == IO_MODE_OFFLOAD) ||
1eb467fb 2320 !per_unit_log(iolog))
1fed2080
JA		 2321 return regrow_log(iolog);
2322
ab5643cb
IK		 2323 if (iolog->td)
2324 iolog->td->flags |= TD_F_REGROW_LOGS;
2325 if (iolog->pending)
2326 assert(iolog->pending->nr_samples < iolog->pending->max_samples);
1fed2080 2327 return iolog->pending;
7e419452
JA		 2328}
2329
af2fde19 2330static void __add_log_sample(struct io_log *iolog, union io_sample_data data,
5fff9543 2331 enum fio_ddir ddir, unsigned long long bs,
ae588852 2332 unsigned long t, uint64_t offset)
3c39a379 2333{
7e419452 2334 struct io_logs *cur_log;
306ddc97 2335
3c568239
JA		 2336 if (iolog->disabled)
2337 return;
7e419452 2338 if (flist_empty(&iolog->io_logs))
8355119b 2339 iolog->avg_last[ddir] = t;
b8bc8cba 2340
7e419452
JA		 2341 cur_log = get_cur_log(iolog);
2342 if (cur_log) {
2343 struct io_sample *s;
3c39a379 2344
7e419452 2345 s = get_sample(iolog, cur_log, cur_log->nr_samples);
3c39a379 2346
af2fde19 2347 s->data = data;
a9179eeb 2348 s->time = t + (iolog->td ? iolog->td->unix_epoch : 0);
7e419452
JA		 2349 io_sample_set_ddir(iolog, s, ddir);
2350 s->bs = bs;
ae588852 2351
7e419452
JA		 2352 if (iolog->log_offset) {
2353 struct io_sample_offset *so = (void *) s;
ae588852 2354
7e419452
JA		 2355 so->offset = offset;
2356 }
ae588852 2357
7e419452
JA		 2358 cur_log->nr_samples++;
2359 return;
ae588852
JA		 2360 }
2361
7e419452 2362 iolog->disabled = true;
3c39a379
JA		 2363}
2364
7fb28d36
JA		 2365static inline void reset_io_stat(struct io_stat *ios)
2366{
5b8f19b7
JA		 2367 ios->min_val = -1ULL;
2368 ios->max_val = ios->samples = 0;
7fb28d36
JA		 2369 ios->mean.u.f = ios->S.u.f = 0;
2370}
2371
6bb58215
JA		 2372void reset_io_stats(struct thread_data *td)
2373{
2374 struct thread_stat *ts = &td->ts;
2375 int i, j;
2376
2377 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
2378 reset_io_stat(&ts->clat_stat[i]);
2379 reset_io_stat(&ts->slat_stat[i]);
2380 reset_io_stat(&ts->lat_stat[i]);
2381 reset_io_stat(&ts->bw_stat[i]);
2382 reset_io_stat(&ts->iops_stat[i]);
2383
2384 ts->io_bytes[i] = 0;
2385 ts->runtime[i] = 0;
71cb78c1
VF		 2386 ts->total_io_u[i] = 0;
2387 ts->short_io_u[i] = 0;
2388 ts->drop_io_u[i] = 0;
6bb58215 2389
b2b3eefe 2390 for (j = 0; j < FIO_IO_U_PLAT_NR; j++) {
6bb58215 2391 ts->io_u_plat[i][j] = 0;
b2b3eefe
JA		 2392 if (!i)
2393 ts->io_u_sync_plat[j] = 0;
2394 }
6bb58215
JA		 2395 }
2396
7f3ecee2
JA		 2397 ts->total_io_u[DDIR_SYNC] = 0;
2398
6bb58215
JA		 2399 for (i = 0; i < FIO_IO_U_MAP_NR; i++) {
2400 ts->io_u_map[i] = 0;
2401 ts->io_u_submit[i] = 0;
2402 ts->io_u_complete[i] = 0;
71cb78c1
VF		 2403 }
2404
d6bb626e
VF		 2405 for (i = 0; i < FIO_IO_U_LAT_N_NR; i++)
2406 ts->io_u_lat_n[i] = 0;
71cb78c1 2407 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++)
6bb58215 2408 ts->io_u_lat_u[i] = 0;
71cb78c1 2409 for (i = 0; i < FIO_IO_U_LAT_M_NR; i++)
6bb58215 2410 ts->io_u_lat_m[i] = 0;
6bb58215 2411
71cb78c1
VF		 2412 ts->total_submit = 0;
2413 ts->total_complete = 0;
fd5d733f 2414 ts->nr_zone_resets = 0;
96563db9 2415 ts->cachehit = ts->cachemiss = 0;
6bb58215
JA		 2416}
2417
d96d3bb3 2418static void __add_stat_to_log(struct io_log *iolog, enum fio_ddir ddir,
e6989e10 2419 unsigned long elapsed, bool log_max)
99007068
PO		 2420{
2421 /*
2422 * Note an entry in the log. Use the mean from the logged samples,
2423 * making sure to properly round up. Only write a log entry if we
2424 * had actual samples done.
2425 */
d96d3bb3 2426 if (iolog->avg_window[ddir].samples) {
af2fde19 2427 union io_sample_data data;
99007068 2428
e6989e10 2429 if (log_max)
af2fde19 2430 data.val = iolog->avg_window[ddir].max_val;
e6989e10 2431 else
af2fde19 2432 data.val = iolog->avg_window[ddir].mean.u.f + 0.50;
e6989e10 2433
af2fde19 2434 __add_log_sample(iolog, data, ddir, 0, elapsed, 0);
99007068 2435 }
99007068 2436
d96d3bb3
JA		 2437 reset_io_stat(&iolog->avg_window[ddir]);
2438}
99007068 2439
e6989e10
JA		 2440static void _add_stat_to_log(struct io_log *iolog, unsigned long elapsed,
2441 bool log_max)
d96d3bb3
JA		 2442{
2443 int ddir;
99007068 2444
d96d3bb3 2445 for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++)
e6989e10 2446 __add_stat_to_log(iolog, ddir, elapsed, log_max);
99007068
PO		 2447}
2448
674456bf
JF		 2449static unsigned long add_log_sample(struct thread_data *td,
2450 struct io_log *iolog,
2451 union io_sample_data data,
5fff9543 2452 enum fio_ddir ddir, unsigned long long bs,
674456bf 2453 uint64_t offset)
bb3884d8 2454{
7fb28d36 2455 unsigned long elapsed, this_window;
b8bc8cba 2456
ff58fced 2457 if (!ddir_rw(ddir))
d454a205 2458 return 0;
ff58fced 2459
b8bc8cba
JA		 2460 elapsed = mtime_since_now(&td->epoch);
2461
2462 /*
2463 * If no time averaging, just add the log sample.
2464 */
2465 if (!iolog->avg_msec) {
af2fde19 2466 __add_log_sample(iolog, data, ddir, bs, elapsed, offset);
d454a205 2467 return 0;
b8bc8cba
JA		 2468 }
2469
2470 /*
2471 * Add the sample. If the time period has passed, then
2472 * add that entry to the log and clear.
2473 */
af2fde19 2474 add_stat_sample(&iolog->avg_window[ddir], data.val);
b8bc8cba 2475
7fb28d36
JA		 2476 /*
2477 * If period hasn't passed, adding the above sample is all we
2478 * need to do.
2479 */
8355119b
SW		 2480 this_window = elapsed - iolog->avg_last[ddir];
2481 if (elapsed < iolog->avg_last[ddir])
2482 return iolog->avg_last[ddir] - elapsed;
f5a568cf 2483 else if (this_window < iolog->avg_msec) {
674456bf 2484 unsigned long diff = iolog->avg_msec - this_window;
d454a205 2485
b392f36d 2486 if (inline_log(iolog) || diff > LOG_MSEC_SLACK)
d454a205
JA		 2487 return diff;
2488 }
b8bc8cba 2489
8355119b 2490 __add_stat_to_log(iolog, ddir, elapsed, td->o.log_max != 0);
b8bc8cba 2491
8355119b 2492 iolog->avg_last[ddir] = elapsed - (this_window - iolog->avg_msec);
d454a205 2493 return iolog->avg_msec;
99007068 2494}
6eaf09d6 2495
a47591e4 2496void finalize_logs(struct thread_data *td, bool unit_logs)
99007068
PO		 2497{
2498 unsigned long elapsed;
6eaf09d6 2499
99007068 2500 elapsed = mtime_since_now(&td->epoch);
b8bc8cba 2501
a47591e4 2502 if (td->clat_log && unit_logs)
e6989e10 2503 _add_stat_to_log(td->clat_log, elapsed, td->o.log_max != 0);
a47591e4 2504 if (td->slat_log && unit_logs)
e6989e10 2505 _add_stat_to_log(td->slat_log, elapsed, td->o.log_max != 0);
a47591e4 2506 if (td->lat_log && unit_logs)
e6989e10 2507 _add_stat_to_log(td->lat_log, elapsed, td->o.log_max != 0);
a47591e4 2508 if (td->bw_log && (unit_logs == per_unit_log(td->bw_log)))
e6989e10 2509 _add_stat_to_log(td->bw_log, elapsed, td->o.log_max != 0);
a47591e4 2510 if (td->iops_log && (unit_logs == per_unit_log(td->iops_log)))
e6989e10 2511 _add_stat_to_log(td->iops_log, elapsed, td->o.log_max != 0);
bb3884d8
JA		 2512}
2513
5fff9543 2514void add_agg_sample(union io_sample_data data, enum fio_ddir ddir, unsigned long long bs)
bb3884d8 2515{
ff58fced 2516 struct io_log *iolog;
bb3884d8 2517
ff58fced
JA		 2518 if (!ddir_rw(ddir))
2519 return;
2520
2521 iolog = agg_io_log[ddir];
af2fde19 2522 __add_log_sample(iolog, data, ddir, bs, mtime_since_genesis(), 0);
bb3884d8
JA		 2523}
2524
b2b3eefe
JA		 2525void add_sync_clat_sample(struct thread_stat *ts, unsigned long long nsec)
2526{
2527 unsigned int idx = plat_val_to_idx(nsec);
2528 assert(idx < FIO_IO_U_PLAT_NR);
2529
2530 ts->io_u_sync_plat[idx]++;
2531 add_stat_sample(&ts->sync_stat, nsec);
2532}
2533
83349190 2534static void add_clat_percentile_sample(struct thread_stat *ts,
d6bb626e 2535 unsigned long long nsec, enum fio_ddir ddir)
83349190 2536{
d6bb626e 2537 unsigned int idx = plat_val_to_idx(nsec);
83349190
YH		 2538 assert(idx < FIO_IO_U_PLAT_NR);
2539
2540 ts->io_u_plat[ddir][idx]++;
2541}
2542
1e97cce9 2543void add_clat_sample(struct thread_data *td, enum fio_ddir ddir,
5fff9543
JF		 2544 unsigned long long nsec, unsigned long long bs,
2545 uint64_t offset)
3c39a379 2546{
26b3a188 2547 const bool needs_lock = td_async_processing(td);
1e613c9c 2548 unsigned long elapsed, this_window;
756867bd 2549 struct thread_stat *ts = &td->ts;
1e613c9c 2550 struct io_log *iolog = td->clat_hist_log;
079ad09b 2551
26b3a188
JA		 2552 if (needs_lock)
2553 __td_io_u_lock(td);
75dc383e 2554
d6bb626e 2555 add_stat_sample(&ts->clat_stat[ddir], nsec);
3c39a379 2556
7b9f733a 2557 if (td->clat_log)
d6bb626e 2558 add_log_sample(td, td->clat_log, sample_val(nsec), ddir, bs,
af2fde19 2559 offset);
83349190
YH		 2560
2561 if (ts->clat_percentiles)
d6bb626e 2562 add_clat_percentile_sample(ts, nsec, ddir);
75dc383e 2563
1e613c9c 2564 if (iolog && iolog->hist_msec) {
93168285
JA		 2565 struct io_hist *hw = &iolog->hist_window[ddir];
2566
2567 hw->samples++;
1e613c9c 2568 elapsed = mtime_since_now(&td->epoch);
93168285 2569 if (!hw->hist_last)
1e613c9c
KC		 2570 hw->hist_last = elapsed;
2571 this_window = elapsed - hw->hist_last;
2572
2573 if (this_window >= iolog->hist_msec) {
6cc0e5aa 2574 uint64_t *io_u_plat;
65a4d15c 2575 struct io_u_plat_entry *dst;
93168285 2576
1e613c9c 2577 /*
93168285
JA		 2578 * Make a byte-for-byte copy of the latency histogram
2579 * stored in td->ts.io_u_plat[ddir], recording it in a
2580 * log sample. Note that the matching call to free() is
2581 * located in iolog.c after printing this sample to the
2582 * log file.
1e613c9c 2583 */
6cc0e5aa 2584 io_u_plat = (uint64_t *) td->ts.io_u_plat[ddir];
65a4d15c
KC		 2585 dst = malloc(sizeof(struct io_u_plat_entry));
2586 memcpy(&(dst->io_u_plat), io_u_plat,
1fb9250b 2587 FIO_IO_U_PLAT_NR * sizeof(uint64_t));
d730bc58 2588 flist_add(&dst->list, &hw->list);
af2fde19 2589 __add_log_sample(iolog, sample_plat(dst), ddir, bs,
93168285 2590 elapsed, offset);
1e613c9c
KC		 2591
2592 /*
93168285
JA		 2593 * Update the last time we recorded as being now, minus
2594 * any drift in time we encountered before actually
2595 * making the record.
1e613c9c
KC		 2596 */
2597 hw->hist_last = elapsed - (this_window - iolog->hist_msec);
2598 hw->samples = 0;
2599 }
2600 }
2601
26b3a188
JA		 2602 if (needs_lock)
2603 __td_io_u_unlock(td);
3c39a379
JA		 2604}
2605
1e97cce9 2606void add_slat_sample(struct thread_data *td, enum fio_ddir ddir,
5fff9543 2607 unsigned long usec, unsigned long long bs, uint64_t offset)
3c39a379 2608{
26b3a188 2609 const bool needs_lock = td_async_processing(td);
756867bd 2610 struct thread_stat *ts = &td->ts;
079ad09b 2611
ff58fced
JA		 2612 if (!ddir_rw(ddir))
2613 return;
2614
26b3a188
JA		 2615 if (needs_lock)
2616 __td_io_u_lock(td);
75dc383e 2617
d85f5118 2618 add_stat_sample(&ts->slat_stat[ddir], usec);
3c39a379 2619
7b9f733a 2620 if (td->slat_log)
af2fde19 2621 add_log_sample(td, td->slat_log, sample_val(usec), ddir, bs, offset);
75dc383e 2622
26b3a188
JA		 2623 if (needs_lock)
2624 __td_io_u_unlock(td);
3c39a379
JA		 2625}
2626
02af0988 2627void add_lat_sample(struct thread_data *td, enum fio_ddir ddir,
5fff9543
JF		 2628 unsigned long long nsec, unsigned long long bs,
2629 uint64_t offset)
02af0988 2630{
26b3a188 2631 const bool needs_lock = td_async_processing(td);
02af0988
JA		 2632 struct thread_stat *ts = &td->ts;
2633
ff58fced
JA		 2634 if (!ddir_rw(ddir))
2635 return;
2636
26b3a188
JA		 2637 if (needs_lock)
2638 __td_io_u_lock(td);
75dc383e 2639
d6bb626e 2640 add_stat_sample(&ts->lat_stat[ddir], nsec);
02af0988 2641
7b9f733a 2642 if (td->lat_log)
d6bb626e 2643 add_log_sample(td, td->lat_log, sample_val(nsec), ddir, bs,
af2fde19 2644 offset);
75dc383e 2645
b599759b
JA		 2646 if (ts->lat_percentiles)
2647 add_clat_percentile_sample(ts, nsec, ddir);
2648
26b3a188
JA		 2649 if (needs_lock)
2650 __td_io_u_unlock(td);
02af0988
JA		 2651}
2652
a47591e4 2653void add_bw_sample(struct thread_data *td, struct io_u *io_u,
d6bb626e 2654 unsigned int bytes, unsigned long long spent)
a47591e4 2655{
26b3a188 2656 const bool needs_lock = td_async_processing(td);
a47591e4
JA		 2657 struct thread_stat *ts = &td->ts;
2658 unsigned long rate;
2659
2660 if (spent)
d6bb626e 2661 rate = (unsigned long) (bytes * 1000000ULL / spent);
a47591e4
JA		 2662 else
2663 rate = 0;
2664
26b3a188
JA		 2665 if (needs_lock)
2666 __td_io_u_lock(td);
a47591e4
JA		 2667
2668 add_stat_sample(&ts->bw_stat[io_u->ddir], rate);
2669
2670 if (td->bw_log)
af2fde19
SW		 2671 add_log_sample(td, td->bw_log, sample_val(rate), io_u->ddir,
2672 bytes, io_u->offset);
a47591e4
JA		 2673
2674 td->stat_io_bytes[io_u->ddir] = td->this_io_bytes[io_u->ddir];
26b3a188
JA		 2675
2676 if (needs_lock)
2677 __td_io_u_unlock(td);
a47591e4
JA		 2678}
2679
8b6a404c
VF		 2680static int __add_samples(struct thread_data *td, struct timespec *parent_tv,
2681 struct timespec *t, unsigned int avg_time,
4843277a
JA		 2682 uint64_t *this_io_bytes, uint64_t *stat_io_bytes,
2683 struct io_stat *stat, struct io_log *log,
2684 bool is_kb)
3c39a379 2685{
26b3a188 2686 const bool needs_lock = td_async_processing(td);
ff58fced 2687 unsigned long spent, rate;
a47591e4 2688 enum fio_ddir ddir;
674456bf 2689 unsigned long next, next_log;
d454a205 2690
4843277a 2691 next_log = avg_time;
ff58fced 2692
4843277a
JA		 2693 spent = mtime_since(parent_tv, t);
2694 if (spent < avg_time && avg_time - spent >= LOG_MSEC_SLACK)
2695 return avg_time - spent;
9602d8df 2696
26b3a188
JA		 2697 if (needs_lock)
2698 __td_io_u_lock(td);
a9da8ab2 2699
9602d8df 2700 /*
5daa4ebe
JC		 2701 * Compute both read and write rates for the interval.
2702 */
c1f50f76 2703 for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++) {
5daa4ebe
JC		 2704 uint64_t delta;
2705
4843277a 2706 delta = this_io_bytes[ddir] - stat_io_bytes[ddir];
5daa4ebe
JC		 2707 if (!delta)
2708 continue; /* No entries for interval */
3c39a379 2709
4843277a
JA		 2710 if (spent) {
2711 if (is_kb)
2712 rate = delta * 1000 / spent / 1024; /* KiB/s */
2713 else
2714 rate = (delta * 1000) / spent;
2715 } else
0956264f
JA		 2716 rate = 0;
2717
4843277a 2718 add_stat_sample(&stat[ddir], rate);
3c39a379 2719
37181709 2720 if (log) {
5fff9543 2721 unsigned long long bs = 0;
66b98c9f
JA		 2722
2723 if (td->o.min_bs[ddir] == td->o.max_bs[ddir])
2724 bs = td->o.min_bs[ddir];
2725
4843277a 2726 next = add_log_sample(td, log, sample_val(rate), ddir, bs, 0);
d454a205 2727 next_log = min(next_log, next);
66b98c9f 2728 }
5daa4ebe 2729
4843277a 2730 stat_io_bytes[ddir] = this_io_bytes[ddir];
5daa4ebe 2731 }
3c39a379 2732
8b6a404c 2733 timespec_add_msec(parent_tv, avg_time);
a47591e4 2734
26b3a188
JA		 2735 if (needs_lock)
2736 __td_io_u_unlock(td);
a47591e4 2737
4843277a
JA		 2738 if (spent <= avg_time)
2739 next = avg_time;
306fea38 2740 else
4843277a 2741 next = avg_time - (1 + spent - avg_time);
a47591e4 2742
d454a205 2743 return min(next, next_log);
a47591e4
JA		 2744}
2745
8b6a404c 2746static int add_bw_samples(struct thread_data *td, struct timespec *t)
4843277a
JA		 2747{
2748 return __add_samples(td, &td->bw_sample_time, t, td->o.bw_avg_time,
2749 td->this_io_bytes, td->stat_io_bytes,
2750 td->ts.bw_stat, td->bw_log, true);
2751}
2752
a47591e4
JA		 2753void add_iops_sample(struct thread_data *td, struct io_u *io_u,
2754 unsigned int bytes)
2755{
26b3a188 2756 const bool needs_lock = td_async_processing(td);
a47591e4
JA		 2757 struct thread_stat *ts = &td->ts;
2758
26b3a188
JA		 2759 if (needs_lock)
2760 __td_io_u_lock(td);
a47591e4
JA		 2761
2762 add_stat_sample(&ts->iops_stat[io_u->ddir], 1);
2763
2764 if (td->iops_log)
af2fde19
SW		 2765 add_log_sample(td, td->iops_log, sample_val(1), io_u->ddir,
2766 bytes, io_u->offset);
a47591e4
JA		 2767
2768 td->stat_io_blocks[io_u->ddir] = td->this_io_blocks[io_u->ddir];
26b3a188
JA		 2769
2770 if (needs_lock)
2771 __td_io_u_unlock(td);
3c39a379 2772}
c8eeb9df 2773
8b6a404c 2774static int add_iops_samples(struct thread_data *td, struct timespec *t)
c8eeb9df 2775{
4843277a
JA		 2776 return __add_samples(td, &td->iops_sample_time, t, td->o.iops_avg_time,
2777 td->this_io_blocks, td->stat_io_blocks,
2778 td->ts.iops_stat, td->iops_log, false);
a47591e4
JA		 2779}
2780
2781/*
2782 * Returns msecs to next event
2783 */
2784int calc_log_samples(void)
2785{
2786 struct thread_data *td;
2787 unsigned int next = ~0U, tmp;
8b6a404c 2788 struct timespec now;
a47591e4
JA		 2789 int i;
2790
2791 fio_gettime(&now, NULL);
2792
2793 for_each_td(td, i) {
8243be59
JA		 2794 if (!td->o.stats)
2795 continue;
6a89b401 2796 if (in_ramp_time(td) ||
a47591e4
JA		 2797 !(td->runstate == TD_RUNNING || td->runstate == TD_VERIFYING)) {
2798 next = min(td->o.iops_avg_time, td->o.bw_avg_time);
2799 continue;
2800 }
37181709
AH		 2801 if (!td->bw_log ||
2802 (td->bw_log && !per_unit_log(td->bw_log))) {
a47591e4
JA		 2803 tmp = add_bw_samples(td, &now);
2804 if (tmp < next)
2805 next = tmp;
2806 }
37181709
AH		 2807 if (!td->iops_log ||
2808 (td->iops_log && !per_unit_log(td->iops_log))) {
a47591e4
JA		 2809 tmp = add_iops_samples(td, &now);
2810 if (tmp < next)
2811 next = tmp;
2812 }
2813 }
2814
2815 return next == ~0U ? 0 : next;
c8eeb9df 2816}
cef9175e
JA		 2817
2818void stat_init(void)
2819{
971caeb1 2820 stat_sem = fio_sem_init(FIO_SEM_UNLOCKED);
cef9175e
JA		 2821}
2822
2823void stat_exit(void)
2824{
2825 /*
2826 * When we have the mutex, we know out-of-band access to it
2827 * have ended.
2828 */
971caeb1
BVA		 2829 fio_sem_down(stat_sem);
2830 fio_sem_remove(stat_sem);
cef9175e 2831}
b2ee7647 2832
b2ee7647
JA		 2833/*
2834 * Called from signal handler. Wake up status thread.
2835 */
2836void show_running_run_stats(void)
2837{
a47591e4 2838 helper_do_stat();
b2ee7647 2839}
66347cfa
DE		 2840
2841uint32_t *io_u_block_info(struct thread_data *td, struct io_u *io_u)
2842{
2843 /* Ignore io_u's which span multiple blocks--they will just get
2844 * inaccurate counts. */
2845 int idx = (io_u->offset - io_u->file->file_offset)
2846 / td->o.bs[DDIR_TRIM];
2847 uint32_t *info = &td->ts.block_infos[idx];
2848 assert(idx < td->ts.nr_block_infos);
2849 return info;
2850}
fio - Flexible IO Tester