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Merge branch 'master' of https://github.com/bvanassche/fio
[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)
68e0dc1a 162 qsort(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:
283feb79 262 free(ovals);
83349190
YH		 263}
264
74558486
JA		 265bool calc_lat(struct io_stat *is, unsigned long long *min,
266 unsigned long long *max, double *mean, double *dev)
3c39a379 267{
ee0ccb79 268 double n = (double) is->samples;
3c39a379 269
ee0ccb79 270 if (n == 0)
8aa89d70 271 return false;
3c39a379
JA		 272
273 *min = is->min_val;
274 *max = is->max_val;
802ad4a8 275 *mean = is->mean.u.f;
e6d276f2 276
68704084 277 if (n > 1.0)
802ad4a8 278 *dev = sqrt(is->S.u.f / (n - 1.0));
ef9c5c40 279 else
4b43f54e 280 *dev = 0;
ef9c5c40 281
8aa89d70 282 return true;
3c39a379
JA		 283}
284
a666cab8 285void show_group_stats(struct group_run_stats *rs, struct buf_output *out)
3c39a379 286{
d694a6a7
RE		 287 char *io, *agg, *min, *max;
288 char *ioalt, *aggalt, *minalt, *maxalt;
42da5c8b 289 const char *str[] = { " READ", " WRITE" , " TRIM"};
dbe1125e
JA		 290 int i;
291
a666cab8 292 log_buf(out, "\nRun status group %d (all jobs):\n", rs->groupid);
3c39a379 293
6eaf09d6 294 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
90fef2d1
JA		 295 const int i2p = is_power_of_2(rs->kb_base);
296
dbe1125e
JA		 297 if (!rs->max_run[i])
298 continue;
299
e883cb35
JF		 300 io = num2str(rs->iobytes[i], rs->sig_figs, 1, i2p, N2S_BYTE);
301 ioalt = num2str(rs->iobytes[i], rs->sig_figs, 1, !i2p, N2S_BYTE);
302 agg = num2str(rs->agg[i], rs->sig_figs, 1, i2p, rs->unit_base);
303 aggalt = num2str(rs->agg[i], rs->sig_figs, 1, !i2p, rs->unit_base);
304 min = num2str(rs->min_bw[i], rs->sig_figs, 1, i2p, rs->unit_base);
305 minalt = num2str(rs->min_bw[i], rs->sig_figs, 1, !i2p, rs->unit_base);
306 max = num2str(rs->max_bw[i], rs->sig_figs, 1, i2p, rs->unit_base);
307 maxalt = num2str(rs->max_bw[i], rs->sig_figs, 1, !i2p, rs->unit_base);
d694a6a7 308 log_buf(out, "%s: bw=%s (%s), %s-%s (%s-%s), io=%s (%s), run=%llu-%llumsec\n",
42da5c8b 309 rs->unified_rw_rep ? " MIXED" : str[i],
d694a6a7 310 agg, aggalt, min, max, minalt, maxalt, io, ioalt,
4e0a8fa2
JA		 311 (unsigned long long) rs->min_run[i],
312 (unsigned long long) rs->max_run[i]);
dbe1125e 313
d694a6a7
RE		 314 free(io);
315 free(agg);
316 free(min);
317 free(max);
318 free(ioalt);
319 free(aggalt);
320 free(minalt);
321 free(maxalt);
dbe1125e 322 }
3c39a379
JA		 323}
324
6cc0e5aa 325void stat_calc_dist(uint64_t *map, unsigned long total, double *io_u_dist)
2270890c
JA		 326{
327 int i;
328
329 /*
330 * Do depth distribution calculations
331 */
332 for (i = 0; i < FIO_IO_U_MAP_NR; i++) {
838bc709
JA		 333 if (total) {
334 io_u_dist[i] = (double) map[i] / (double) total;
335 io_u_dist[i] *= 100.0;
336 if (io_u_dist[i] < 0.1 && map[i])
337 io_u_dist[i] = 0.1;
338 } else
339 io_u_dist[i] = 0.0;
2270890c
JA		 340 }
341}
342
04a0feae 343static void stat_calc_lat(struct thread_stat *ts, double *dst,
6cc0e5aa 344 uint64_t *src, int nr)
2270890c 345{
d79db122 346 unsigned long total = ddir_rw_sum(ts->total_io_u);
2270890c
JA		 347 int i;
348
349 /*
350 * Do latency distribution calculations
351 */
04a0feae 352 for (i = 0; i < nr; i++) {
838bc709
JA		 353 if (total) {
354 dst[i] = (double) src[i] / (double) total;
355 dst[i] *= 100.0;
356 if (dst[i] < 0.01 && src[i])
357 dst[i] = 0.01;
358 } else
359 dst[i] = 0.0;
2270890c
JA		 360 }
361}
362
247823cc
VF		 363/*
364 * To keep the terse format unaltered, add all of the ns latency
365 * buckets to the first us latency bucket
366 */
52e4c651 367static void stat_calc_lat_nu(struct thread_stat *ts, double *io_u_lat_u)
247823cc
VF		 368{
369 unsigned long ntotal = 0, total = ddir_rw_sum(ts->total_io_u);
370 int i;
371
372 stat_calc_lat(ts, io_u_lat_u, ts->io_u_lat_u, FIO_IO_U_LAT_U_NR);
373
374 for (i = 0; i < FIO_IO_U_LAT_N_NR; i++)
375 ntotal += ts->io_u_lat_n[i];
376
377 io_u_lat_u[0] += 100.0 * (double) ntotal / (double) total;
378}
379
d6bb626e
VF		 380void stat_calc_lat_n(struct thread_stat *ts, double *io_u_lat)
381{
382 stat_calc_lat(ts, io_u_lat, ts->io_u_lat_n, FIO_IO_U_LAT_N_NR);
383}
384
e5bd1347 385void stat_calc_lat_u(struct thread_stat *ts, double *io_u_lat)
04a0feae
JA		 386{
387 stat_calc_lat(ts, io_u_lat, ts->io_u_lat_u, FIO_IO_U_LAT_U_NR);
388}
389
e5bd1347 390void stat_calc_lat_m(struct thread_stat *ts, double *io_u_lat)
04a0feae
JA		 391{
392 stat_calc_lat(ts, io_u_lat, ts->io_u_lat_m, FIO_IO_U_LAT_M_NR);
393}
394
74558486
JA		 395static void display_lat(const char *name, unsigned long long min,
396 unsigned long long max, double mean, double dev,
397 struct buf_output *out)
ea2accc5 398{
d6bb626e 399 const char *base = "(nsec)";
b29ad562 400 char *minp, *maxp;
ea2accc5 401
d6bb626e 402 if (nsec_to_msec(&min, &max, &mean, &dev))
b29ad562 403 base = "(msec)";
d6bb626e
VF		 404 else if (nsec_to_usec(&min, &max, &mean, &dev))
405 base = "(usec)";
b29ad562 406
d694a6a7
RE		 407 minp = num2str(min, 6, 1, 0, N2S_NONE);
408 maxp = num2str(max, 6, 1, 0, N2S_NONE);
b29ad562 409
a666cab8 410 log_buf(out, " %s %s: min=%s, max=%s, avg=%5.02f,"
b29ad562
JA		 411 " stdev=%5.02f\n", name, base, minp, maxp, mean, dev);
412
413 free(minp);
414 free(maxp);
ea2accc5
JA		 415}
416
756867bd 417static void show_ddir_status(struct group_run_stats *rs, struct thread_stat *ts,
a666cab8 418 int ddir, struct buf_output *out)
3c39a379 419{
d6bb626e
VF		 420 unsigned long runt;
421 unsigned long long min, max, bw, iops;
3c39a379 422 double mean, dev;
96563db9 423 char *io_p, *bw_p, *bw_p_alt, *iops_p, *post_st = NULL;
90fef2d1 424 int i2p;
3c39a379 425
b2b3eefe
JA		 426 if (ddir_sync(ddir)) {
427 if (calc_lat(&ts->sync_stat, &min, &max, &mean, &dev)) {
428 log_buf(out, " %s:\n", "fsync/fdatasync/sync_file_range");
425d3e0e 429 display_lat(io_ddir_name(ddir), min, max, mean, dev, out);
b2b3eefe
JA		 430 show_clat_percentiles(ts->io_u_sync_plat,
431 ts->sync_stat.samples,
432 ts->percentile_list,
433 ts->percentile_precision,
425d3e0e 434 io_ddir_name(ddir), out);
b2b3eefe
JA		 435 }
436 return;
437 }
438
ff58fced
JA		 439 assert(ddir_rw(ddir));
440
756867bd 441 if (!ts->runtime[ddir])
3c39a379
JA		 442 return;
443
90fef2d1 444 i2p = is_power_of_2(rs->kb_base);
8879fd15
JA		 445 runt = ts->runtime[ddir];
446
447 bw = (1000 * ts->io_bytes[ddir]) / runt;
e883cb35
JF		 448 io_p = num2str(ts->io_bytes[ddir], ts->sig_figs, 1, i2p, N2S_BYTE);
449 bw_p = num2str(bw, ts->sig_figs, 1, i2p, ts->unit_base);
450 bw_p_alt = num2str(bw, ts->sig_figs, 1, !i2p, ts->unit_base);
8879fd15 451
0aacc50c 452 iops = (1000 * (uint64_t)ts->total_io_u[ddir]) / runt;
e883cb35 453 iops_p = num2str(iops, ts->sig_figs, 1, 0, N2S_NONE);
fd5d733f 454 if (ddir == DDIR_WRITE)
96563db9
JA		 455 post_st = zbd_write_status(ts);
456 else if (ddir == DDIR_READ && ts->cachehit && ts->cachemiss) {
457 uint64_t total;
458 double hit;
459
460 total = ts->cachehit + ts->cachemiss;
461 hit = (double) ts->cachehit / (double) total;
462 hit *= 100.0;
463 if (asprintf(&post_st, "; Cachehit=%0.2f%%", hit) < 0)
464 post_st = NULL;
465 }
dbe1125e 466
fd5d733f 467 log_buf(out, " %s: IOPS=%s, BW=%s (%s)(%s/%llumsec)%s\n",
425d3e0e 468 rs->unified_rw_rep ? "mixed" : io_ddir_name(ddir),
d694a6a7 469 iops_p, bw_p, bw_p_alt, io_p,
fd5d733f 470 (unsigned long long) ts->runtime[ddir],
96563db9 471 post_st ? : "");
dbe1125e 472
96563db9 473 free(post_st);
dbe1125e
JA		 474 free(io_p);
475 free(bw_p);
d694a6a7 476 free(bw_p_alt);
b3605062 477 free(iops_p);
3c39a379 478
b29ad562 479 if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev))
a666cab8 480 display_lat("slat", min, max, mean, dev, out);
b29ad562 481 if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev))
a666cab8 482 display_lat("clat", min, max, mean, dev, out);
b29ad562 483 if (calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev))
a666cab8 484 display_lat(" lat", min, max, mean, dev, out);
02af0988 485
b599759b 486 if (ts->clat_percentiles || ts->lat_percentiles) {
b2b3eefe 487 const char *name = ts->clat_percentiles ? "clat" : " lat";
af1600c1
SW		 488 uint64_t samples;
489
490 if (ts->clat_percentiles)
491 samples = ts->clat_stat[ddir].samples;
492 else
493 samples = ts->lat_stat[ddir].samples;
494
83349190 495 show_clat_percentiles(ts->io_u_plat[ddir],
af1600c1 496 samples,
435d195a 497 ts->percentile_list,
b2b3eefe 498 ts->percentile_precision, name, out);
83349190 499 }
079ad09b 500 if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) {
142c7f2d 501 double p_of_agg = 100.0, fkb_base = (double)rs->kb_base;
d694a6a7
RE		 502 const char *bw_str;
503
504 if ((rs->unit_base == 1) && i2p)
505 bw_str = "Kibit";
506 else if (rs->unit_base == 1)
507 bw_str = "kbit";
508 else if (i2p)
509 bw_str = "KiB";
510 else
511 bw_str = "kB";
d686990a 512
d1707474
SW		 513 if (rs->agg[ddir]) {
514 p_of_agg = mean * 100 / (double) (rs->agg[ddir] / 1024);
515 if (p_of_agg > 100.0)
516 p_of_agg = 100.0;
517 }
518
d686990a
SN		 519 if (rs->unit_base == 1) {
520 min *= 8.0;
521 max *= 8.0;
522 mean *= 8.0;
523 dev *= 8.0;
524 }
3c39a379 525
142c7f2d
SN		 526 if (mean > fkb_base * fkb_base) {
527 min /= fkb_base;
528 max /= fkb_base;
529 mean /= fkb_base;
530 dev /= fkb_base;
d694a6a7 531 bw_str = (rs->unit_base == 1 ? "Mibit" : "MiB");
b7017e32
JA		 532 }
533
54c05828 534 log_buf(out, " bw (%5s/s): min=%5llu, max=%5llu, per=%3.2f%%, "
29eb371b 535 "avg=%5.02f, stdev=%5.02f, samples=%" PRIu64 "\n",
54c05828
AH		 536 bw_str, min, max, p_of_agg, mean, dev,
537 (&ts->bw_stat[ddir])->samples);
3c39a379 538 }
188b6016 539 if (calc_lat(&ts->iops_stat[ddir], &min, &max, &mean, &dev)) {
21ba6606 540 log_buf(out, " iops : min=%5llu, max=%5llu, "
29eb371b 541 "avg=%5.02f, stdev=%5.02f, samples=%" PRIu64 "\n",
54c05828 542 min, max, mean, dev, (&ts->iops_stat[ddir])->samples);
188b6016 543 }
3c39a379
JA		 544}
545
8985b491
JA		 546static bool show_lat(double *io_u_lat, int nr, const char **ranges,
547 const char *msg, struct buf_output *out)
04a0feae 548{
8985b491
JA		 549 bool new_line = true, shown = false;
550 int i, line = 0;
04a0feae
JA		 551
552 for (i = 0; i < nr; i++) {
553 if (io_u_lat[i] <= 0.0)
554 continue;
8985b491 555 shown = true;
04a0feae 556 if (new_line) {
4539ed73 557 if (line)
a666cab8 558 log_buf(out, "\n");
4a19fcaa 559 log_buf(out, " lat (%s) : ", msg);
8985b491 560 new_line = false;
04a0feae
JA		 561 line = 0;
562 }
563 if (line)
a666cab8
JA		 564 log_buf(out, ", ");
565 log_buf(out, "%s%3.2f%%", ranges[i], io_u_lat[i]);
04a0feae
JA		 566 line++;
567 if (line == 5)
8985b491 568 new_line = true;
04a0feae 569 }
7e1773ba
JA		 570
571 if (shown)
a666cab8 572 log_buf(out, "\n");
7e1773ba 573
8985b491 574 return true;
04a0feae
JA		 575}
576
d6bb626e
VF		 577static void show_lat_n(double *io_u_lat_n, struct buf_output *out)
578{
579 const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=",
580 "250=", "500=", "750=", "1000=", };
581
582 show_lat(io_u_lat_n, FIO_IO_U_LAT_N_NR, ranges, "nsec", out);
583}
584
a666cab8 585static void show_lat_u(double *io_u_lat_u, struct buf_output *out)
04a0feae
JA		 586{
587 const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=",
588 "250=", "500=", "750=", "1000=", };
589
a666cab8 590 show_lat(io_u_lat_u, FIO_IO_U_LAT_U_NR, ranges, "usec", out);
04a0feae
JA		 591}
592
a666cab8 593static void show_lat_m(double *io_u_lat_m, struct buf_output *out)
04a0feae
JA		 594{
595 const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=",
596 "250=", "500=", "750=", "1000=", "2000=",
597 ">=2000=", };
598
a666cab8 599 show_lat(io_u_lat_m, FIO_IO_U_LAT_M_NR, ranges, "msec", out);
04a0feae
JA		 600}
601
a666cab8 602static void show_latencies(struct thread_stat *ts, struct buf_output *out)
04a0feae 603{
d6bb626e 604 double io_u_lat_n[FIO_IO_U_LAT_N_NR];
c551f65a
JA		 605 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
606 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
607
d6bb626e 608 stat_calc_lat_n(ts, io_u_lat_n);
5a18988e
JA		 609 stat_calc_lat_u(ts, io_u_lat_u);
610 stat_calc_lat_m(ts, io_u_lat_m);
611
d6bb626e 612 show_lat_n(io_u_lat_n, out);
a666cab8
JA		 613 show_lat_u(io_u_lat_u, out);
614 show_lat_m(io_u_lat_m, out);
04a0feae
JA		 615}
616
66347cfa
DE		 617static int block_state_category(int block_state)
618{
619 switch (block_state) {
620 case BLOCK_STATE_UNINIT:
621 return 0;
622 case BLOCK_STATE_TRIMMED:
623 case BLOCK_STATE_WRITTEN:
624 return 1;
625 case BLOCK_STATE_WRITE_FAILURE:
626 case BLOCK_STATE_TRIM_FAILURE:
627 return 2;
628 default:
081c2dc3 629 /* Silence compile warning on some BSDs and have a return */
66347cfa 630 assert(0);
07ff5841 631 return -1;
66347cfa
DE		 632 }
633}
634
635static int compare_block_infos(const void *bs1, const void *bs2)
636{
5fff9543
JF		 637 uint64_t block1 = *(uint64_t *)bs1;
638 uint64_t block2 = *(uint64_t *)bs2;
66347cfa
DE		 639 int state1 = BLOCK_INFO_STATE(block1);
640 int state2 = BLOCK_INFO_STATE(block2);
641 int bscat1 = block_state_category(state1);
642 int bscat2 = block_state_category(state2);
643 int cycles1 = BLOCK_INFO_TRIMS(block1);
644 int cycles2 = BLOCK_INFO_TRIMS(block2);
645
646 if (bscat1 < bscat2)
647 return -1;
648 if (bscat1 > bscat2)
649 return 1;
650
651 if (cycles1 < cycles2)
652 return -1;
653 if (cycles1 > cycles2)
654 return 1;
655
656 if (state1 < state2)
657 return -1;
658 if (state1 > state2)
659 return 1;
660
661 assert(block1 == block2);
662 return 0;
663}
664
665static int calc_block_percentiles(int nr_block_infos, uint32_t *block_infos,
666 fio_fp64_t *plist, unsigned int **percentiles,
667 unsigned int *types)
668{
669 int len = 0;
670 int i, nr_uninit;
671
672 qsort(block_infos, nr_block_infos, sizeof(uint32_t), compare_block_infos);
673
674 while (len < FIO_IO_U_LIST_MAX_LEN && plist[len].u.f != 0.0)
675 len++;
676
677 if (!len)
678 return 0;
679
680 /*
681 * Sort the percentile list. Note that it may already be sorted if
682 * we are using the default values, but since it's a short list this
683 * isn't a worry. Also note that this does not work for NaN values.
684 */
685 if (len > 1)
68e0dc1a 686 qsort(plist, len, sizeof(plist[0]), double_cmp);
66347cfa 687
66347cfa
DE		 688 /* Start only after the uninit entries end */
689 for (nr_uninit = 0;
690 nr_uninit < nr_block_infos
691 && BLOCK_INFO_STATE(block_infos[nr_uninit]) == BLOCK_STATE_UNINIT;
692 nr_uninit ++)
693 ;
694
695 if (nr_uninit == nr_block_infos)
696 return 0;
697
698 *percentiles = calloc(len, sizeof(**percentiles));
699
700 for (i = 0; i < len; i++) {
701 int idx = (plist[i].u.f * (nr_block_infos - nr_uninit) / 100)
702 + nr_uninit;
703 (*percentiles)[i] = BLOCK_INFO_TRIMS(block_infos[idx]);
704 }
705
706 memset(types, 0, sizeof(*types) * BLOCK_STATE_COUNT);
707 for (i = 0; i < nr_block_infos; i++)
708 types[BLOCK_INFO_STATE(block_infos[i])]++;
709
710 return len;
711}
712
713static const char *block_state_names[] = {
714 [BLOCK_STATE_UNINIT] = "unwritten",
715 [BLOCK_STATE_TRIMMED] = "trimmed",
716 [BLOCK_STATE_WRITTEN] = "written",
717 [BLOCK_STATE_TRIM_FAILURE] = "trim failure",
718 [BLOCK_STATE_WRITE_FAILURE] = "write failure",
719};
720
721static void show_block_infos(int nr_block_infos, uint32_t *block_infos,
a666cab8 722 fio_fp64_t *plist, struct buf_output *out)
66347cfa
DE		 723{
724 int len, pos, i;
725 unsigned int *percentiles = NULL;
726 unsigned int block_state_counts[BLOCK_STATE_COUNT];
727
728 len = calc_block_percentiles(nr_block_infos, block_infos, plist,
729 &percentiles, block_state_counts);
730
a666cab8 731 log_buf(out, " block lifetime percentiles :\n |");
66347cfa
DE		 732 pos = 0;
733 for (i = 0; i < len; i++) {
734 uint32_t block_info = percentiles[i];
735#define LINE_LENGTH 75
736 char str[LINE_LENGTH];
737 int strln = snprintf(str, LINE_LENGTH, " %3.2fth=%u%c",
738 plist[i].u.f, block_info,
739 i == len - 1 ? '\n' : ',');
740 assert(strln < LINE_LENGTH);
741 if (pos + strln > LINE_LENGTH) {
742 pos = 0;
a666cab8 743 log_buf(out, "\n |");
66347cfa 744 }
a666cab8 745 log_buf(out, "%s", str);
66347cfa
DE		 746 pos += strln;
747#undef LINE_LENGTH
748 }
749 if (percentiles)
750 free(percentiles);
751
a666cab8 752 log_buf(out, " states :");
66347cfa 753 for (i = 0; i < BLOCK_STATE_COUNT; i++)
a666cab8 754 log_buf(out, " %s=%u%c",
66347cfa
DE		 755 block_state_names[i], block_state_counts[i],
756 i == BLOCK_STATE_COUNT - 1 ? '\n' : ',');
757}
758
d685adfb
VF		 759static void show_ss_normal(struct thread_stat *ts, struct buf_output *out)
760{
d694a6a7 761 char *p1, *p1alt, *p2;
d685adfb
VF		 762 unsigned long long bw_mean, iops_mean;
763 const int i2p = is_power_of_2(ts->kb_base);
764
0c13c969 765 if (!ts->ss_dur)
d685adfb
VF		 766 return;
767
bb49c8bd
VF		 768 bw_mean = steadystate_bw_mean(ts);
769 iops_mean = steadystate_iops_mean(ts);
d685adfb 770
e883cb35
JF		 771 p1 = num2str(bw_mean / ts->kb_base, ts->sig_figs, ts->kb_base, i2p, ts->unit_base);
772 p1alt = num2str(bw_mean / ts->kb_base, ts->sig_figs, ts->kb_base, !i2p, ts->unit_base);
773 p2 = num2str(iops_mean, ts->sig_figs, 1, 0, N2S_NONE);
d685adfb 774
d694a6a7 775 log_buf(out, " steadystate : attained=%s, bw=%s (%s), iops=%s, %s%s=%.3f%s\n",
c8caba48 776 ts->ss_state & FIO_SS_ATTAINED ? "yes" : "no",
d694a6a7 777 p1, p1alt, p2,
c8caba48
JA		 778 ts->ss_state & FIO_SS_IOPS ? "iops" : "bw",
779 ts->ss_state & FIO_SS_SLOPE ? " slope": " mean dev",
bb49c8bd 780 ts->ss_criterion.u.f,
c8caba48 781 ts->ss_state & FIO_SS_PCT ? "%" : "");
d685adfb
VF		 782
783 free(p1);
d694a6a7 784 free(p1alt);
d685adfb
VF		 785 free(p2);
786}
787
2a2fdab1
L		 788static void show_agg_stats(struct disk_util_agg *agg, int terse,
789 struct buf_output *out)
790{
791 if (!agg->slavecount)
792 return;
793
794 if (!terse) {
795 log_buf(out, ", aggrios=%llu/%llu, aggrmerge=%llu/%llu, "
796 "aggrticks=%llu/%llu, aggrin_queue=%llu, "
797 "aggrutil=%3.2f%%",
798 (unsigned long long) agg->ios[0] / agg->slavecount,
799 (unsigned long long) agg->ios[1] / agg->slavecount,
800 (unsigned long long) agg->merges[0] / agg->slavecount,
801 (unsigned long long) agg->merges[1] / agg->slavecount,
802 (unsigned long long) agg->ticks[0] / agg->slavecount,
803 (unsigned long long) agg->ticks[1] / agg->slavecount,
804 (unsigned long long) agg->time_in_queue / agg->slavecount,
805 agg->max_util.u.f);
806 } else {
807 log_buf(out, ";slaves;%llu;%llu;%llu;%llu;%llu;%llu;%llu;%3.2f%%",
808 (unsigned long long) agg->ios[0] / agg->slavecount,
809 (unsigned long long) agg->ios[1] / agg->slavecount,
810 (unsigned long long) agg->merges[0] / agg->slavecount,
811 (unsigned long long) agg->merges[1] / agg->slavecount,
812 (unsigned long long) agg->ticks[0] / agg->slavecount,
813 (unsigned long long) agg->ticks[1] / agg->slavecount,
814 (unsigned long long) agg->time_in_queue / agg->slavecount,
815 agg->max_util.u.f);
816 }
817}
818
819static void aggregate_slaves_stats(struct disk_util *masterdu)
820{
821 struct disk_util_agg *agg = &masterdu->agg;
822 struct disk_util_stat *dus;
823 struct flist_head *entry;
824 struct disk_util *slavedu;
825 double util;
826
827 flist_for_each(entry, &masterdu->slaves) {
828 slavedu = flist_entry(entry, struct disk_util, slavelist);
829 dus = &slavedu->dus;
830 agg->ios[0] += dus->s.ios[0];
831 agg->ios[1] += dus->s.ios[1];
832 agg->merges[0] += dus->s.merges[0];
833 agg->merges[1] += dus->s.merges[1];
834 agg->sectors[0] += dus->s.sectors[0];
835 agg->sectors[1] += dus->s.sectors[1];
836 agg->ticks[0] += dus->s.ticks[0];
837 agg->ticks[1] += dus->s.ticks[1];
838 agg->time_in_queue += dus->s.time_in_queue;
839 agg->slavecount++;
840
841 util = (double) (100 * dus->s.io_ticks / (double) slavedu->dus.s.msec);
842 /* System utilization is the utilization of the
843 * component with the highest utilization.
844 */
845 if (util > agg->max_util.u.f)
846 agg->max_util.u.f = util;
847
848 }
849
850 if (agg->max_util.u.f > 100.0)
851 agg->max_util.u.f = 100.0;
852}
853
854void print_disk_util(struct disk_util_stat *dus, struct disk_util_agg *agg,
855 int terse, struct buf_output *out)
856{
857 double util = 0;
858
859 if (dus->s.msec)
860 util = (double) 100 * dus->s.io_ticks / (double) dus->s.msec;
861 if (util > 100.0)
862 util = 100.0;
863
864 if (!terse) {
865 if (agg->slavecount)
866 log_buf(out, " ");
867
868 log_buf(out, " %s: ios=%llu/%llu, merge=%llu/%llu, "
869 "ticks=%llu/%llu, in_queue=%llu, util=%3.2f%%",
870 dus->name,
871 (unsigned long long) dus->s.ios[0],
872 (unsigned long long) dus->s.ios[1],
873 (unsigned long long) dus->s.merges[0],
874 (unsigned long long) dus->s.merges[1],
875 (unsigned long long) dus->s.ticks[0],
876 (unsigned long long) dus->s.ticks[1],
877 (unsigned long long) dus->s.time_in_queue,
878 util);
879 } else {
880 log_buf(out, ";%s;%llu;%llu;%llu;%llu;%llu;%llu;%llu;%3.2f%%",
881 dus->name,
882 (unsigned long long) dus->s.ios[0],
883 (unsigned long long) dus->s.ios[1],
884 (unsigned long long) dus->s.merges[0],
885 (unsigned long long) dus->s.merges[1],
886 (unsigned long long) dus->s.ticks[0],
887 (unsigned long long) dus->s.ticks[1],
888 (unsigned long long) dus->s.time_in_queue,
889 util);
890 }
891
892 /*
893 * If the device has slaves, aggregate the stats for
894 * those slave devices also.
895 */
896 show_agg_stats(agg, terse, out);
897
898 if (!terse)
899 log_buf(out, "\n");
900}
901
902void json_array_add_disk_util(struct disk_util_stat *dus,
903 struct disk_util_agg *agg, struct json_array *array)
904{
905 struct json_object *obj;
906 double util = 0;
907
908 if (dus->s.msec)
909 util = (double) 100 * dus->s.io_ticks / (double) dus->s.msec;
910 if (util > 100.0)
911 util = 100.0;
912
913 obj = json_create_object();
914 json_array_add_value_object(array, obj);
915
916 json_object_add_value_string(obj, "name", dus->name);
917 json_object_add_value_int(obj, "read_ios", dus->s.ios[0]);
918 json_object_add_value_int(obj, "write_ios", dus->s.ios[1]);
919 json_object_add_value_int(obj, "read_merges", dus->s.merges[0]);
920 json_object_add_value_int(obj, "write_merges", dus->s.merges[1]);
921 json_object_add_value_int(obj, "read_ticks", dus->s.ticks[0]);
922 json_object_add_value_int(obj, "write_ticks", dus->s.ticks[1]);
923 json_object_add_value_int(obj, "in_queue", dus->s.time_in_queue);
924 json_object_add_value_float(obj, "util", util);
925
926 /*
927 * If the device has slaves, aggregate the stats for
928 * those slave devices also.
929 */
930 if (!agg->slavecount)
931 return;
932 json_object_add_value_int(obj, "aggr_read_ios",
933 agg->ios[0] / agg->slavecount);
934 json_object_add_value_int(obj, "aggr_write_ios",
935 agg->ios[1] / agg->slavecount);
936 json_object_add_value_int(obj, "aggr_read_merges",
937 agg->merges[0] / agg->slavecount);
938 json_object_add_value_int(obj, "aggr_write_merge",
939 agg->merges[1] / agg->slavecount);
940 json_object_add_value_int(obj, "aggr_read_ticks",
941 agg->ticks[0] / agg->slavecount);
942 json_object_add_value_int(obj, "aggr_write_ticks",
943 agg->ticks[1] / agg->slavecount);
944 json_object_add_value_int(obj, "aggr_in_queue",
945 agg->time_in_queue / agg->slavecount);
946 json_object_add_value_float(obj, "aggr_util", agg->max_util.u.f);
947}
948
949static void json_object_add_disk_utils(struct json_object *obj,
950 struct flist_head *head)
951{
952 struct json_array *array = json_create_array();
953 struct flist_head *entry;
954 struct disk_util *du;
955
956 json_object_add_value_array(obj, "disk_util", array);
957
958 flist_for_each(entry, head) {
959 du = flist_entry(entry, struct disk_util, list);
960
961 aggregate_slaves_stats(du);
962 json_array_add_disk_util(&du->dus, &du->agg, array);
963 }
964}
965
966void show_disk_util(int terse, struct json_object *parent,
967 struct buf_output *out)
968{
969 struct flist_head *entry;
970 struct disk_util *du;
971 bool do_json;
972
973 if (!is_running_backend())
974 return;
975
976 if (flist_empty(&disk_list)) {
977 return;
978 }
979
980 if ((output_format & FIO_OUTPUT_JSON) && parent)
981 do_json = true;
982 else
983 do_json = false;
984
985 if (!terse && !do_json)
986 log_buf(out, "\nDisk stats (read/write):\n");
987
988 if (do_json)
989 json_object_add_disk_utils(parent, &disk_list);
990 else if (output_format & ~(FIO_OUTPUT_JSON | FIO_OUTPUT_JSON_PLUS)) {
991 flist_for_each(entry, &disk_list) {
992 du = flist_entry(entry, struct disk_util, list);
993
994 aggregate_slaves_stats(du);
995 print_disk_util(&du->dus, &du->agg, terse, out);
996 }
997 }
998}
999
10aa136b 1000static void show_thread_status_normal(struct thread_stat *ts,
a666cab8
JA		 1001 struct group_run_stats *rs,
1002 struct buf_output *out)
3c39a379
JA		 1003{
1004 double usr_cpu, sys_cpu;
69008999 1005 unsigned long runtime;
71619dc2 1006 double io_u_dist[FIO_IO_U_MAP_NR];
57a64324 1007 time_t time_p;
35326842 1008 char time_buf[32];
3c39a379 1009
9966af7b 1010 if (!ddir_rw_sum(ts->io_bytes) && !ddir_rw_sum(ts->total_io_u))
3c39a379 1011 return;
33477b4b
JS		 1012
1013 memset(time_buf, 0, sizeof(time_buf));
3c39a379 1014
57a64324 1015 time(&time_p);
45054cbe 1016 os_ctime_r((const time_t *) &time_p, time_buf, sizeof(time_buf));
57a64324 1017
5ec10eaa 1018 if (!ts->error) {
a666cab8 1019 log_buf(out, "%s: (groupid=%d, jobs=%d): err=%2d: pid=%d: %s",
5ec10eaa 1020 ts->name, ts->groupid, ts->members,
57a64324 1021 ts->error, (int) ts->pid, time_buf);
5ec10eaa 1022 } else {
a666cab8 1023 log_buf(out, "%s: (groupid=%d, jobs=%d): err=%2d (%s): pid=%d: %s",
5ec10eaa 1024 ts->name, ts->groupid, ts->members,
57a64324
JA		 1025 ts->error, ts->verror, (int) ts->pid,
1026 time_buf);
5ec10eaa 1027 }
3c39a379 1028
259e47de 1029 if (strlen(ts->description))
a666cab8 1030 log_buf(out, " Description : [%s]\n", ts->description);
7bdce1bd 1031
756867bd 1032 if (ts->io_bytes[DDIR_READ])
a666cab8 1033 show_ddir_status(rs, ts, DDIR_READ, out);
756867bd 1034 if (ts->io_bytes[DDIR_WRITE])
a666cab8 1035 show_ddir_status(rs, ts, DDIR_WRITE, out);
6eaf09d6 1036 if (ts->io_bytes[DDIR_TRIM])
a666cab8 1037 show_ddir_status(rs, ts, DDIR_TRIM, out);
3c39a379 1038
a666cab8 1039 show_latencies(ts, out);
7e1773ba 1040
b2b3eefe
JA		 1041 if (ts->sync_stat.samples)
1042 show_ddir_status(rs, ts, DDIR_SYNC, out);
1043
756867bd 1044 runtime = ts->total_run_time;
69008999 1045 if (runtime) {
1e97cce9 1046 double runt = (double) runtime;
3c39a379 1047
756867bd
JA		 1048 usr_cpu = (double) ts->usr_time * 100 / runt;
1049 sys_cpu = (double) ts->sys_time * 100 / runt;
3c39a379
JA		 1050 } else {
1051 usr_cpu = 0;
1052 sys_cpu = 0;
1053 }
1054
a666cab8 1055 log_buf(out, " cpu : usr=%3.2f%%, sys=%3.2f%%, ctx=%llu,"
4e0a8fa2
JA		 1056 " majf=%llu, minf=%llu\n", usr_cpu, sys_cpu,
1057 (unsigned long long) ts->ctx,
1058 (unsigned long long) ts->majf,
1059 (unsigned long long) ts->minf);
71619dc2 1060
d79db122 1061 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
a666cab8 1062 log_buf(out, " IO depths : 1=%3.1f%%, 2=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%,"
5ec10eaa
JA		 1063 " 16=%3.1f%%, 32=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0],
1064 io_u_dist[1], io_u_dist[2],
1065 io_u_dist[3], io_u_dist[4],
1066 io_u_dist[5], io_u_dist[6]);
838bc709
JA		 1067
1068 stat_calc_dist(ts->io_u_submit, ts->total_submit, io_u_dist);
a666cab8 1069 log_buf(out, " submit : 0=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%, 16=%3.1f%%,"
838bc709
JA		 1070 " 32=%3.1f%%, 64=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0],
1071 io_u_dist[1], io_u_dist[2],
1072 io_u_dist[3], io_u_dist[4],
1073 io_u_dist[5], io_u_dist[6]);
1074 stat_calc_dist(ts->io_u_complete, ts->total_complete, io_u_dist);
a666cab8 1075 log_buf(out, " complete : 0=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%, 16=%3.1f%%,"
838bc709
JA		 1076 " 32=%3.1f%%, 64=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0],
1077 io_u_dist[1], io_u_dist[2],
1078 io_u_dist[3], io_u_dist[4],
1079 io_u_dist[5], io_u_dist[6]);
7f3ecee2
JA		 1080 log_buf(out, " issued rwts: total=%llu,%llu,%llu,%llu"
1081 " short=%llu,%llu,%llu,0"
1082 " dropped=%llu,%llu,%llu,0\n",
4e0a8fa2
JA		 1083 (unsigned long long) ts->total_io_u[0],
1084 (unsigned long long) ts->total_io_u[1],
1085 (unsigned long long) ts->total_io_u[2],
7f3ecee2 1086 (unsigned long long) ts->total_io_u[3],
4e0a8fa2
JA		 1087 (unsigned long long) ts->short_io_u[0],
1088 (unsigned long long) ts->short_io_u[1],
3bcb9d94
JA		 1089 (unsigned long long) ts->short_io_u[2],
1090 (unsigned long long) ts->drop_io_u[0],
1091 (unsigned long long) ts->drop_io_u[1],
1092 (unsigned long long) ts->drop_io_u[2]);
f2bba182 1093 if (ts->continue_on_error) {
a666cab8 1094 log_buf(out, " errors : total=%llu, first_error=%d/<%s>\n",
4e0a8fa2 1095 (unsigned long long)ts->total_err_count,
1ec99eea
JA		 1096 ts->first_error,
1097 strerror(ts->first_error));
f2bba182 1098 }
3e260a46 1099 if (ts->latency_depth) {
a666cab8 1100 log_buf(out, " latency : target=%llu, window=%llu, percentile=%.2f%%, depth=%u\n",
3e260a46
JA		 1101 (unsigned long long)ts->latency_target,
1102 (unsigned long long)ts->latency_window,
1103 ts->latency_percentile.u.f,
1104 ts->latency_depth);
1105 }
66347cfa
DE		 1106
1107 if (ts->nr_block_infos)
1108 show_block_infos(ts->nr_block_infos, ts->block_infos,
a666cab8 1109 ts->percentile_list, out);
d685adfb 1110
bb49c8bd 1111 if (ts->ss_dur)
d685adfb 1112 show_ss_normal(ts, out);
3c39a379
JA		 1113}
1114
756867bd 1115static void show_ddir_status_terse(struct thread_stat *ts,
a666cab8 1116 struct group_run_stats *rs, int ddir,
a2c95580 1117 int ver, struct buf_output *out)
c6ae0a5b 1118{
d6bb626e
VF		 1119 unsigned long long min, max, minv, maxv, bw, iops;
1120 unsigned long long *ovals = NULL;
c6ae0a5b 1121 double mean, dev;
d6bb626e 1122 unsigned int len;
a2c95580 1123 int i, bw_stat;
c6ae0a5b 1124
ff58fced
JA		 1125 assert(ddir_rw(ddir));
1126
312b4af2
JA		 1127 iops = bw = 0;
1128 if (ts->runtime[ddir]) {
1129 uint64_t runt = ts->runtime[ddir];
1130
420b104a 1131 bw = ((1000 * ts->io_bytes[ddir]) / runt) / 1024; /* KiB/s */
312b4af2
JA		 1132 iops = (1000 * (uint64_t) ts->total_io_u[ddir]) / runt;
1133 }
c6ae0a5b 1134
a666cab8 1135 log_buf(out, ";%llu;%llu;%llu;%llu",
4e0a8fa2
JA		 1136 (unsigned long long) ts->io_bytes[ddir] >> 10, bw, iops,
1137 (unsigned long long) ts->runtime[ddir]);
c6ae0a5b 1138
079ad09b 1139 if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev))
247823cc 1140 log_buf(out, ";%llu;%llu;%f;%f", min/1000, max/1000, mean/1000, dev/1000);
c6ae0a5b 1141 else
d6bb626e 1142 log_buf(out, ";%llu;%llu;%f;%f", 0ULL, 0ULL, 0.0, 0.0);
c6ae0a5b 1143
079ad09b 1144 if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev))
247823cc 1145 log_buf(out, ";%llu;%llu;%f;%f", min/1000, max/1000, mean/1000, dev/1000);
c6ae0a5b 1146 else
d6bb626e 1147 log_buf(out, ";%llu;%llu;%f;%f", 0ULL, 0ULL, 0.0, 0.0);
c6ae0a5b 1148
b599759b 1149 if (ts->clat_percentiles || ts->lat_percentiles) {
1db92cb6
JA		 1150 len = calc_clat_percentiles(ts->io_u_plat[ddir],
1151 ts->clat_stat[ddir].samples,
1152 ts->percentile_list, &ovals, &maxv,
1153 &minv);
1154 } else
1155 len = 0;
1156
1157 for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) {
1158 if (i >= len) {
a666cab8 1159 log_buf(out, ";0%%=0");
1db92cb6
JA		 1160 continue;
1161 }
247823cc 1162 log_buf(out, ";%f%%=%llu", ts->percentile_list[i].u.f, ovals[i]/1000);
1db92cb6 1163 }
2341a37a
K		 1164
1165 if (calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev))
247823cc 1166 log_buf(out, ";%llu;%llu;%f;%f", min/1000, max/1000, mean/1000, dev/1000);
2341a37a 1167 else
d6bb626e 1168 log_buf(out, ";%llu;%llu;%f;%f", 0ULL, 0ULL, 0.0, 0.0);
2341a37a 1169
283feb79 1170 free(ovals);
1db92cb6 1171
a2c95580
AH		 1172 bw_stat = calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev);
1173 if (bw_stat) {
19d3e967
JA		 1174 double p_of_agg = 100.0;
1175
1176 if (rs->agg[ddir]) {
d1707474 1177 p_of_agg = mean * 100 / (double) (rs->agg[ddir] / 1024);
19d3e967
JA		 1178 if (p_of_agg > 100.0)
1179 p_of_agg = 100.0;
1180 }
c6ae0a5b 1181
d6bb626e 1182 log_buf(out, ";%llu;%llu;%f%%;%f;%f", min, max, p_of_agg, mean, dev);
c6ae0a5b 1183 } else
d6bb626e 1184 log_buf(out, ";%llu;%llu;%f%%;%f;%f", 0ULL, 0ULL, 0.0, 0.0, 0.0);
a2c95580
AH		 1185
1186 if (ver == 5) {
1187 if (bw_stat)
29eb371b 1188 log_buf(out, ";%" PRIu64, (&ts->bw_stat[ddir])->samples);
a2c95580
AH		 1189 else
1190 log_buf(out, ";%lu", 0UL);
1191
1192 if (calc_lat(&ts->iops_stat[ddir], &min, &max, &mean, &dev))
29eb371b 1193 log_buf(out, ";%llu;%llu;%f;%f;%" PRIu64, min, max,
a2c95580
AH		 1194 mean, dev, (&ts->iops_stat[ddir])->samples);
1195 else
1196 log_buf(out, ";%llu;%llu;%f;%f;%lu", 0ULL, 0ULL, 0.0, 0.0, 0UL);
1197 }
c6ae0a5b
JA		 1198}
1199
cc372b17
SL		 1200static void add_ddir_status_json(struct thread_stat *ts,
1201 struct group_run_stats *rs, int ddir, struct json_object *parent)
1202{
d6bb626e 1203 unsigned long long min, max, minv, maxv;
aedd021d 1204 unsigned long long bw_bytes, bw;
d6bb626e 1205 unsigned long long *ovals = NULL;
9f68fe3a 1206 double mean, dev, iops;
d6bb626e 1207 unsigned int len;
cc372b17 1208 int i;
ed24e32c
BVA		 1209 struct json_object *dir_object, *tmp_object, *percentile_object = NULL,
1210 *clat_bins_object = NULL;
cc372b17
SL		 1211 char buf[120];
1212 double p_of_agg = 100.0;
1213
b2b3eefe 1214 assert(ddir_rw(ddir) || ddir_sync(ddir));
cc372b17 1215
771e58be
JA		 1216 if (ts->unified_rw_rep && ddir != DDIR_READ)
1217 return;
1218
cc372b17 1219 dir_object = json_create_object();
771e58be 1220 json_object_add_value_object(parent,
425d3e0e 1221 ts->unified_rw_rep ? "mixed" : io_ddir_name(ddir), dir_object);
cc372b17 1222
b2b3eefe
JA		 1223 if (ddir_rw(ddir)) {
1224 bw_bytes = 0;
1225 bw = 0;
1226 iops = 0.0;
1227 if (ts->runtime[ddir]) {
1228 uint64_t runt = ts->runtime[ddir];
cc372b17 1229
b2b3eefe
JA		 1230 bw_bytes = ((1000 * ts->io_bytes[ddir]) / runt); /* Bytes/s */
1231 bw = bw_bytes / 1024; /* KiB/s */
1232 iops = (1000.0 * (uint64_t) ts->total_io_u[ddir]) / runt;
1233 }
cc372b17 1234
b2b3eefe
JA		 1235 json_object_add_value_int(dir_object, "io_bytes", ts->io_bytes[ddir]);
1236 json_object_add_value_int(dir_object, "io_kbytes", ts->io_bytes[ddir] >> 10);
1237 json_object_add_value_int(dir_object, "bw_bytes", bw_bytes);
1238 json_object_add_value_int(dir_object, "bw", bw);
1239 json_object_add_value_float(dir_object, "iops", iops);
1240 json_object_add_value_int(dir_object, "runtime", ts->runtime[ddir]);
1241 json_object_add_value_int(dir_object, "total_ios", ts->total_io_u[ddir]);
1242 json_object_add_value_int(dir_object, "short_ios", ts->short_io_u[ddir]);
1243 json_object_add_value_int(dir_object, "drop_ios", ts->drop_io_u[ddir]);
1244
1245 if (!calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev)) {
1246 min = max = 0;
1247 mean = dev = 0.0;
1248 }
1249 tmp_object = json_create_object();
1250 json_object_add_value_object(dir_object, "slat_ns", tmp_object);
1251 json_object_add_value_int(tmp_object, "min", min);
1252 json_object_add_value_int(tmp_object, "max", max);
1253 json_object_add_value_float(tmp_object, "mean", mean);
1254 json_object_add_value_float(tmp_object, "stddev", dev);
1255
1256 if (!calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev)) {
1257 min = max = 0;
1258 mean = dev = 0.0;
1259 }
1260 tmp_object = json_create_object();
1261 json_object_add_value_object(dir_object, "clat_ns", tmp_object);
1262 json_object_add_value_int(tmp_object, "min", min);
1263 json_object_add_value_int(tmp_object, "max", max);
1264 json_object_add_value_float(tmp_object, "mean", mean);
1265 json_object_add_value_float(tmp_object, "stddev", dev);
1266 } else {
1267 if (!calc_lat(&ts->sync_stat, &min, &max, &mean, &dev)) {
1268 min = max = 0;
1269 mean = dev = 0.0;
1270 }
cc372b17 1271
b2b3eefe
JA		 1272 tmp_object = json_create_object();
1273 json_object_add_value_object(dir_object, "lat_ns", tmp_object);
f5ec8123 1274 json_object_add_value_int(dir_object, "total_ios", ts->total_io_u[DDIR_SYNC]);
b2b3eefe
JA		 1275 json_object_add_value_int(tmp_object, "min", min);
1276 json_object_add_value_int(tmp_object, "max", max);
1277 json_object_add_value_float(tmp_object, "mean", mean);
1278 json_object_add_value_float(tmp_object, "stddev", dev);
cc372b17 1279 }
cc372b17 1280
b599759b 1281 if (ts->clat_percentiles || ts->lat_percentiles) {
b2b3eefe 1282 if (ddir_rw(ddir)) {
9f2cd5e0
JA		 1283 uint64_t samples;
1284
1285 if (ts->clat_percentiles)
1286 samples = ts->clat_stat[ddir].samples;
1287 else
1288 samples = ts->lat_stat[ddir].samples;
1289
b2b3eefe 1290 len = calc_clat_percentiles(ts->io_u_plat[ddir],
9f2cd5e0
JA		 1291 samples, ts->percentile_list, &ovals,
1292 &maxv, &minv);
b2b3eefe
JA		 1293 } else {
1294 len = calc_clat_percentiles(ts->io_u_sync_plat,
1295 ts->sync_stat.samples,
1296 ts->percentile_list, &ovals, &maxv,
1297 &minv);
1298 }
1299
702bd977
JA		 1300 if (len > FIO_IO_U_LIST_MAX_LEN)
1301 len = FIO_IO_U_LIST_MAX_LEN;
cc372b17
SL		 1302 } else
1303 len = 0;
1304
ed24e32c
BVA		 1305 if (ts->clat_percentiles) {
1306 percentile_object = json_create_object();
e5eb6fbf 1307 json_object_add_value_object(tmp_object, "percentile", percentile_object);
ed24e32c
BVA		 1308 for (i = 0; i < len; i++) {
1309 snprintf(buf, sizeof(buf), "%f",
1310 ts->percentile_list[i].u.f);
1311 json_object_add_value_int(percentile_object, buf,
1312 ovals[i]);
1313 }
cc372b17
SL		 1314 }
1315
1bc05e89
BVA		 1316 free(ovals);
1317
ed24e32c 1318 if (output_format & FIO_OUTPUT_JSON_PLUS && ts->clat_percentiles) {
513e37ee 1319 clat_bins_object = json_create_object();
ed24e32c
BVA		 1320 json_object_add_value_object(tmp_object, "bins",
1321 clat_bins_object);
24cab44e 1322
513e37ee 1323 for(i = 0; i < FIO_IO_U_PLAT_NR; i++) {
b2b3eefe
JA		 1324 if (ddir_rw(ddir)) {
1325 if (ts->io_u_plat[ddir][i]) {
1326 snprintf(buf, sizeof(buf), "%llu", plat_idx_to_val(i));
c0a6be6c 1327 json_object_add_value_int(clat_bins_object, buf, ts->io_u_plat[ddir][i]);
b2b3eefe
JA		 1328 }
1329 } else {
1330 if (ts->io_u_sync_plat[i]) {
1331 snprintf(buf, sizeof(buf), "%llu", plat_idx_to_val(i));
c0a6be6c 1332 json_object_add_value_int(clat_bins_object, buf, ts->io_u_sync_plat[i]);
b2b3eefe 1333 }
129e4193 1334 }
513e37ee 1335 }
513e37ee
VF		 1336 }
1337
b2b3eefe
JA		 1338 if (!ddir_rw(ddir))
1339 return;
1340
cc372b17
SL		 1341 if (!calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev)) {
1342 min = max = 0;
1343 mean = dev = 0.0;
1344 }
1345 tmp_object = json_create_object();
d6bb626e 1346 json_object_add_value_object(dir_object, "lat_ns", tmp_object);
cc372b17
SL		 1347 json_object_add_value_int(tmp_object, "min", min);
1348 json_object_add_value_int(tmp_object, "max", max);
1349 json_object_add_value_float(tmp_object, "mean", mean);
1350 json_object_add_value_float(tmp_object, "stddev", dev);
e5eb6fbf
VF		 1351 if (ts->lat_percentiles)
1352 json_object_add_value_object(tmp_object, "percentile", percentile_object);
24cab44e
VF		 1353 if (output_format & FIO_OUTPUT_JSON_PLUS && ts->lat_percentiles)
1354 json_object_add_value_object(tmp_object, "bins", clat_bins_object);
1355
b9e1b491 1356 if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) {
cc372b17 1357 if (rs->agg[ddir]) {
d1707474 1358 p_of_agg = mean * 100 / (double) (rs->agg[ddir] / 1024);
cc372b17
SL		 1359 if (p_of_agg > 100.0)
1360 p_of_agg = 100.0;
1361 }
1362 } else {
1363 min = max = 0;
1364 p_of_agg = mean = dev = 0.0;
1365 }
1366 json_object_add_value_int(dir_object, "bw_min", min);
1367 json_object_add_value_int(dir_object, "bw_max", max);
a806bf2e 1368 json_object_add_value_float(dir_object, "bw_agg", p_of_agg);
cc372b17
SL		 1369 json_object_add_value_float(dir_object, "bw_mean", mean);
1370 json_object_add_value_float(dir_object, "bw_dev", dev);
54c05828
AH		 1371 json_object_add_value_int(dir_object, "bw_samples",
1372 (&ts->bw_stat[ddir])->samples);
188b6016
AH		 1373
1374 if (!calc_lat(&ts->iops_stat[ddir], &min, &max, &mean, &dev)) {
1375 min = max = 0;
1376 mean = dev = 0.0;
1377 }
1378 json_object_add_value_int(dir_object, "iops_min", min);
1379 json_object_add_value_int(dir_object, "iops_max", max);
1380 json_object_add_value_float(dir_object, "iops_mean", mean);
1381 json_object_add_value_float(dir_object, "iops_stddev", dev);
54c05828
AH		 1382 json_object_add_value_int(dir_object, "iops_samples",
1383 (&ts->iops_stat[ddir])->samples);
96563db9
JA		 1384
1385 if (ts->cachehit + ts->cachemiss) {
1386 uint64_t total;
1387 double hit;
1388
1389 total = ts->cachehit + ts->cachemiss;
1390 hit = (double) ts->cachehit / (double) total;
1391 hit *= 100.0;
1392 json_object_add_value_float(dir_object, "cachehit", hit);
1393 }
cc372b17
SL		 1394}
1395
bef2112b
AH		 1396static void show_thread_status_terse_all(struct thread_stat *ts,
1397 struct group_run_stats *rs, int ver,
1398 struct buf_output *out)
4d658652
JA		 1399{
1400 double io_u_dist[FIO_IO_U_MAP_NR];
1401 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
1402 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
1403 double usr_cpu, sys_cpu;
1404 int i;
1405
1406 /* General Info */
bef2112b
AH		 1407 if (ver == 2)
1408 log_buf(out, "2;%s;%d;%d", ts->name, ts->groupid, ts->error);
1409 else
1410 log_buf(out, "%d;%s;%s;%d;%d", ver, fio_version_string,
1411 ts->name, ts->groupid, ts->error);
c6ae0a5b 1412
562c2d2f 1413 /* Log Read Status */
a2c95580 1414 show_ddir_status_terse(ts, rs, DDIR_READ, ver, out);
562c2d2f 1415 /* Log Write Status */
a2c95580 1416 show_ddir_status_terse(ts, rs, DDIR_WRITE, ver, out);
6eaf09d6 1417 /* Log Trim Status */
a2c95580
AH		 1418 if (ver == 2 || ver == 4 || ver == 5)
1419 show_ddir_status_terse(ts, rs, DDIR_TRIM, ver, out);
c6ae0a5b 1420
562c2d2f 1421 /* CPU Usage */
756867bd
JA		 1422 if (ts->total_run_time) {
1423 double runt = (double) ts->total_run_time;
c6ae0a5b 1424
756867bd
JA		 1425 usr_cpu = (double) ts->usr_time * 100 / runt;
1426 sys_cpu = (double) ts->sys_time * 100 / runt;
c6ae0a5b
JA		 1427 } else {
1428 usr_cpu = 0;
1429 sys_cpu = 0;
1430 }
1431
a666cab8 1432 log_buf(out, ";%f%%;%f%%;%llu;%llu;%llu", usr_cpu, sys_cpu,
4e0a8fa2
JA		 1433 (unsigned long long) ts->ctx,
1434 (unsigned long long) ts->majf,
1435 (unsigned long long) ts->minf);
2270890c 1436
562c2d2f 1437 /* Calc % distribution of IO depths, usecond, msecond latency */
d79db122 1438 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
247823cc 1439 stat_calc_lat_nu(ts, io_u_lat_u);
04a0feae 1440 stat_calc_lat_m(ts, io_u_lat_m);
2270890c 1441
562c2d2f 1442 /* Only show fixed 7 I/O depth levels*/
a666cab8 1443 log_buf(out, ";%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%",
5ec10eaa
JA		 1444 io_u_dist[0], io_u_dist[1], io_u_dist[2], io_u_dist[3],
1445 io_u_dist[4], io_u_dist[5], io_u_dist[6]);
2270890c 1446
562c2d2f 1447 /* Microsecond latency */
04a0feae 1448 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++)
a666cab8 1449 log_buf(out, ";%3.2f%%", io_u_lat_u[i]);
562c2d2f 1450 /* Millisecond latency */
04a0feae 1451 for (i = 0; i < FIO_IO_U_LAT_M_NR; i++)
a666cab8 1452 log_buf(out, ";%3.2f%%", io_u_lat_m[i]);
f2f788dd
JA		 1453
1454 /* disk util stats, if any */
24a97130 1455 if (ver >= 3 && is_running_backend())
bef2112b 1456 show_disk_util(1, NULL, out);
f2f788dd 1457
562c2d2f 1458 /* Additional output if continue_on_error set - default off*/
f2bba182 1459 if (ts->continue_on_error)
a666cab8 1460 log_buf(out, ";%llu;%d", (unsigned long long) ts->total_err_count, ts->first_error);
2270890c 1461
562c2d2f 1462 /* Additional output if description is set */
d5495f0b
VF		 1463 if (strlen(ts->description)) {
1464 if (ver == 2)
1465 log_buf(out, "\n");
a666cab8 1466 log_buf(out, ";%s", ts->description);
d5495f0b 1467 }
946e4276 1468
a666cab8 1469 log_buf(out, "\n");
756867bd
JA		 1470}
1471
a89ba4b1 1472static void json_add_job_opts(struct json_object *root, const char *name,
0cf542af 1473 struct flist_head *opt_list)
66e19a38
JA		 1474{
1475 struct json_object *dir_object;
1476 struct flist_head *entry;
1477 struct print_option *p;
1478
1479 if (flist_empty(opt_list))
1480 return;
1481
1482 dir_object = json_create_object();
1483 json_object_add_value_object(root, name, dir_object);
1484
1485 flist_for_each(entry, opt_list) {
1486 const char *pos = "";
1487
1488 p = flist_entry(entry, struct print_option, list);
1489 if (p->value)
1490 pos = p->value;
1491 json_object_add_value_string(dir_object, p->name, pos);
1492 }
1493}
1494
cc372b17 1495static struct json_object *show_thread_status_json(struct thread_stat *ts,
66e19a38
JA		 1496 struct group_run_stats *rs,
1497 struct flist_head *opt_list)
cc372b17
SL		 1498{
1499 struct json_object *root, *tmp;
b01af66b 1500 struct jobs_eta *je;
cc372b17 1501 double io_u_dist[FIO_IO_U_MAP_NR];
d6bb626e 1502 double io_u_lat_n[FIO_IO_U_LAT_N_NR];
cc372b17
SL		 1503 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
1504 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
1505 double usr_cpu, sys_cpu;
1506 int i;
b01af66b
CJ		 1507 size_t size;
1508
cc372b17
SL		 1509 root = json_create_object();
1510 json_object_add_value_string(root, "jobname", ts->name);
1511 json_object_add_value_int(root, "groupid", ts->groupid);
1512 json_object_add_value_int(root, "error", ts->error);
1513
b01af66b 1514 /* ETA Info */
c5103619 1515 je = get_jobs_eta(true, &size);
2de615ad
JA		 1516 if (je) {
1517 json_object_add_value_int(root, "eta", je->eta_sec);
1518 json_object_add_value_int(root, "elapsed", je->elapsed_sec);
1519 }
b01af66b 1520
66e19a38 1521 if (opt_list)
0cf542af 1522 json_add_job_opts(root, "job options", opt_list);
66e19a38 1523
cc372b17
SL		 1524 add_ddir_status_json(ts, rs, DDIR_READ, root);
1525 add_ddir_status_json(ts, rs, DDIR_WRITE, root);
f3afa57e 1526 add_ddir_status_json(ts, rs, DDIR_TRIM, root);
b2b3eefe 1527 add_ddir_status_json(ts, rs, DDIR_SYNC, root);
cc372b17
SL		 1528
1529 /* CPU Usage */
1530 if (ts->total_run_time) {
1531 double runt = (double) ts->total_run_time;
1532
1533 usr_cpu = (double) ts->usr_time * 100 / runt;
1534 sys_cpu = (double) ts->sys_time * 100 / runt;
1535 } else {
1536 usr_cpu = 0;
1537 sys_cpu = 0;
1538 }
bcbb4c6c 1539 json_object_add_value_int(root, "job_runtime", ts->total_run_time);
cc372b17
SL		 1540 json_object_add_value_float(root, "usr_cpu", usr_cpu);
1541 json_object_add_value_float(root, "sys_cpu", sys_cpu);
1542 json_object_add_value_int(root, "ctx", ts->ctx);
1543 json_object_add_value_int(root, "majf", ts->majf);
1544 json_object_add_value_int(root, "minf", ts->minf);
1545
ec3e3648 1546 /* Calc % distribution of IO depths */
d79db122 1547 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
cc372b17
SL		 1548 tmp = json_create_object();
1549 json_object_add_value_object(root, "iodepth_level", tmp);
1550 /* Only show fixed 7 I/O depth levels*/
1551 for (i = 0; i < 7; i++) {
1552 char name[20];
1553 if (i < 6)
98ffb8f3 1554 snprintf(name, 20, "%d", 1 << i);
cc372b17 1555 else
98ffb8f3 1556 snprintf(name, 20, ">=%d", 1 << i);
cc372b17
SL		 1557 json_object_add_value_float(tmp, (const char *)name, io_u_dist[i]);
1558 }
1559
ec3e3648
VF		 1560 /* Calc % distribution of submit IO depths */
1561 stat_calc_dist(ts->io_u_submit, ts->total_submit, io_u_dist);
1562 tmp = json_create_object();
1563 json_object_add_value_object(root, "iodepth_submit", tmp);
1564 /* Only show fixed 7 I/O depth levels*/
1565 for (i = 0; i < 7; i++) {
1566 char name[20];
1567 if (i == 0)
1568 snprintf(name, 20, "0");
1569 else if (i < 6)
1570 snprintf(name, 20, "%d", 1 << (i+1));
1571 else
1572 snprintf(name, 20, ">=%d", 1 << i);
1573 json_object_add_value_float(tmp, (const char *)name, io_u_dist[i]);
1574 }
1575
1576 /* Calc % distribution of completion IO depths */
1577 stat_calc_dist(ts->io_u_complete, ts->total_complete, io_u_dist);
1578 tmp = json_create_object();
1579 json_object_add_value_object(root, "iodepth_complete", tmp);
1580 /* Only show fixed 7 I/O depth levels*/
1581 for (i = 0; i < 7; i++) {
1582 char name[20];
1583 if (i == 0)
1584 snprintf(name, 20, "0");
1585 else if (i < 6)
1586 snprintf(name, 20, "%d", 1 << (i+1));
1587 else
1588 snprintf(name, 20, ">=%d", 1 << i);
1589 json_object_add_value_float(tmp, (const char *)name, io_u_dist[i]);
1590 }
1591
1592 /* Calc % distribution of nsecond, usecond, msecond latency */
1593 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
1594 stat_calc_lat_n(ts, io_u_lat_n);
1595 stat_calc_lat_u(ts, io_u_lat_u);
1596 stat_calc_lat_m(ts, io_u_lat_m);
1597
d6bb626e 1598 /* Nanosecond latency */
cc372b17 1599 tmp = json_create_object();
d6bb626e
VF		 1600 json_object_add_value_object(root, "latency_ns", tmp);
1601 for (i = 0; i < FIO_IO_U_LAT_N_NR; i++) {
1602 const char *ranges[] = { "2", "4", "10", "20", "50", "100",
1603 "250", "500", "750", "1000", };
1604 json_object_add_value_float(tmp, ranges[i], io_u_lat_n[i]);
1605 }
cc372b17 1606 /* Microsecond latency */
d6bb626e
VF		 1607 tmp = json_create_object();
1608 json_object_add_value_object(root, "latency_us", tmp);
cc372b17
SL		 1609 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) {
1610 const char *ranges[] = { "2", "4", "10", "20", "50", "100",
1611 "250", "500", "750", "1000", };
1612 json_object_add_value_float(tmp, ranges[i], io_u_lat_u[i]);
1613 }
1614 /* Millisecond latency */
1615 tmp = json_create_object();
1616 json_object_add_value_object(root, "latency_ms", tmp);
1617 for (i = 0; i < FIO_IO_U_LAT_M_NR; i++) {
1618 const char *ranges[] = { "2", "4", "10", "20", "50", "100",
1619 "250", "500", "750", "1000", "2000",
1620 ">=2000", };
1621 json_object_add_value_float(tmp, ranges[i], io_u_lat_m[i]);
1622 }
1623
1624 /* Additional output if continue_on_error set - default off*/
1625 if (ts->continue_on_error) {
1626 json_object_add_value_int(root, "total_err", ts->total_err_count);
952b05e0 1627 json_object_add_value_int(root, "first_error", ts->first_error);
cc372b17
SL		 1628 }
1629
3e260a46
JA		 1630 if (ts->latency_depth) {
1631 json_object_add_value_int(root, "latency_depth", ts->latency_depth);
1632 json_object_add_value_int(root, "latency_target", ts->latency_target);
1633 json_object_add_value_float(root, "latency_percentile", ts->latency_percentile.u.f);
1634 json_object_add_value_int(root, "latency_window", ts->latency_window);
1635 }
1636
cc372b17
SL		 1637 /* Additional output if description is set */
1638 if (strlen(ts->description))
1639 json_object_add_value_string(root, "desc", ts->description);
1640
66347cfa
DE		 1641 if (ts->nr_block_infos) {
1642 /* Block error histogram and types */
1643 int len;
1644 unsigned int *percentiles = NULL;
1645 unsigned int block_state_counts[BLOCK_STATE_COUNT];
1646
1647 len = calc_block_percentiles(ts->nr_block_infos, ts->block_infos,
1648 ts->percentile_list,
1649 &percentiles, block_state_counts);
1650
1651 if (len) {
1652 struct json_object *block, *percentile_object, *states;
8a68c41c 1653 int state;
66347cfa
DE		 1654 block = json_create_object();
1655 json_object_add_value_object(root, "block", block);
1656
1657 percentile_object = json_create_object();
1658 json_object_add_value_object(block, "percentiles",
1659 percentile_object);
1660 for (i = 0; i < len; i++) {
1661 char buf[20];
1662 snprintf(buf, sizeof(buf), "%f",
1663 ts->percentile_list[i].u.f);
1664 json_object_add_value_int(percentile_object,
c0a6be6c 1665 buf,
66347cfa
DE		 1666 percentiles[i]);
1667 }
1668
1669 states = json_create_object();
1670 json_object_add_value_object(block, "states", states);
1671 for (state = 0; state < BLOCK_STATE_COUNT; state++) {
1672 json_object_add_value_int(states,
1673 block_state_names[state],
1674 block_state_counts[state]);
1675 }
1676 free(percentiles);
1677 }
1678 }
1679
bb49c8bd 1680 if (ts->ss_dur) {
ba8fb6f6
VF		 1681 struct json_object *data;
1682 struct json_array *iops, *bw;
a43f4461 1683 int j, k, l;
6da94b07 1684 char ss_buf[64];
16e56d25 1685
6da94b07 1686 snprintf(ss_buf, sizeof(ss_buf), "%s%s:%f%s",
c8caba48
JA		 1687 ts->ss_state & FIO_SS_IOPS ? "iops" : "bw",
1688 ts->ss_state & FIO_SS_SLOPE ? "_slope" : "",
bb49c8bd 1689 (float) ts->ss_limit.u.f,
c8caba48 1690 ts->ss_state & FIO_SS_PCT ? "%" : "");
16e56d25
VF		 1691
1692 tmp = json_create_object();
1693 json_object_add_value_object(root, "steadystate", tmp);
6da94b07 1694 json_object_add_value_string(tmp, "ss", ss_buf);
bb49c8bd 1695 json_object_add_value_int(tmp, "duration", (int)ts->ss_dur);
c8caba48 1696 json_object_add_value_int(tmp, "attained", (ts->ss_state & FIO_SS_ATTAINED) > 0);
6da94b07 1697
bb49c8bd 1698 snprintf(ss_buf, sizeof(ss_buf), "%f%s", (float) ts->ss_criterion.u.f,
c8caba48 1699 ts->ss_state & FIO_SS_PCT ? "%" : "");
6da94b07 1700 json_object_add_value_string(tmp, "criterion", ss_buf);
bb49c8bd
VF		 1701 json_object_add_value_float(tmp, "max_deviation", ts->ss_deviation.u.f);
1702 json_object_add_value_float(tmp, "slope", ts->ss_slope.u.f);
ba8fb6f6
VF		 1703
1704 data = json_create_object();
1705 json_object_add_value_object(tmp, "data", data);
1706 bw = json_create_array();
1707 iops = json_create_array();
412c7d91
VF		 1708
1709 /*
1710 ** if ss was attained or the buffer is not full,
1711 ** ss->head points to the first element in the list.
1712 ** otherwise it actually points to the second element
1713 ** in the list
1714 */
c8caba48 1715 if ((ts->ss_state & FIO_SS_ATTAINED) || !(ts->ss_state & FIO_SS_BUFFER_FULL))
bb49c8bd 1716 j = ts->ss_head;
412c7d91 1717 else
bb49c8bd 1718 j = ts->ss_head == 0 ? ts->ss_dur - 1 : ts->ss_head - 1;
a43f4461
JA		 1719 for (l = 0; l < ts->ss_dur; l++) {
1720 k = (j + l) % ts->ss_dur;
bb49c8bd
VF		 1721 json_array_add_value_int(bw, ts->ss_bw_data[k]);
1722 json_array_add_value_int(iops, ts->ss_iops_data[k]);
16e56d25 1723 }
bb49c8bd
VF		 1724 json_object_add_value_int(data, "bw_mean", steadystate_bw_mean(ts));
1725 json_object_add_value_int(data, "iops_mean", steadystate_iops_mean(ts));
6da94b07
VF		 1726 json_object_add_value_array(data, "iops", iops);
1727 json_object_add_value_array(data, "bw", bw);
16e56d25
VF		 1728 }
1729
cc372b17
SL		 1730 return root;
1731}
1732
4d658652 1733static void show_thread_status_terse(struct thread_stat *ts,
a666cab8
JA		 1734 struct group_run_stats *rs,
1735 struct buf_output *out)
4d658652 1736{
a2c95580 1737 if (terse_version >= 2 && terse_version <= 5)
bef2112b 1738 show_thread_status_terse_all(ts, rs, terse_version, out);
4d658652
JA		 1739 else
1740 log_err("fio: bad terse version!? %d\n", terse_version);
1741}
1742
952b05e0 1743struct json_object *show_thread_status(struct thread_stat *ts,
a666cab8 1744 struct group_run_stats *rs,
0279b880 1745 struct flist_head *opt_list,
a666cab8 1746 struct buf_output *out)
952b05e0 1747{
129fb2d4
JA		 1748 struct json_object *ret = NULL;
1749
1750 if (output_format & FIO_OUTPUT_TERSE)
a666cab8 1751 show_thread_status_terse(ts, rs, out);
129fb2d4 1752 if (output_format & FIO_OUTPUT_JSON)
0279b880 1753 ret = show_thread_status_json(ts, rs, opt_list);
129fb2d4 1754 if (output_format & FIO_OUTPUT_NORMAL)
a666cab8 1755 show_thread_status_normal(ts, rs, out);
129fb2d4
JA		 1756
1757 return ret;
952b05e0
CF		 1758}
1759
70750d6a 1760static void __sum_stat(struct io_stat *dst, struct io_stat *src, bool first)
756867bd
JA		 1761{
1762 double mean, S;
1763
1764 dst->min_val = min(dst->min_val, src->min_val);
1765 dst->max_val = max(dst->max_val, src->max_val);
756867bd
JA		 1766
1767 /*
cdcac5cf
YH		 1768 * Compute new mean and S after the merge
1769 * <http://en.wikipedia.org/wiki/Algorithms_for_calculating_variance
1770 * #Parallel_algorithm>
756867bd 1771 */
fd595830 1772 if (first) {
802ad4a8
JA		 1773 mean = src->mean.u.f;
1774 S = src->S.u.f;
756867bd 1775 } else {
802ad4a8 1776 double delta = src->mean.u.f - dst->mean.u.f;
cdcac5cf 1777
802ad4a8
JA		 1778 mean = ((src->mean.u.f * src->samples) +
1779 (dst->mean.u.f * dst->samples)) /
cdcac5cf
YH		 1780 (dst->samples + src->samples);
1781
802ad4a8 1782 S = src->S.u.f + dst->S.u.f + pow(delta, 2.0) *
cdcac5cf
YH		 1783 (dst->samples * src->samples) /
1784 (dst->samples + src->samples);
756867bd
JA		 1785 }
1786
cdcac5cf 1787 dst->samples += src->samples;
802ad4a8
JA		 1788 dst->mean.u.f = mean;
1789 dst->S.u.f = S;
70750d6a
JA		 1790
1791}
1792
1793/*
1794 * We sum two kinds of stats - one that is time based, in which case we
1795 * apply the proper summing technique, and then one that is iops/bw
1796 * numbers. For group_reporting, we should just add those up, not make
1797 * them the mean of everything.
1798 */
1799static void sum_stat(struct io_stat *dst, struct io_stat *src, bool first,
1800 bool pure_sum)
1801{
1802 if (src->samples == 0)
1803 return;
1804
1805 if (!pure_sum) {
1806 __sum_stat(dst, src, first);
1807 return;
1808 }
1809
68afa5b5
JA		 1810 if (first) {
1811 dst->min_val = src->min_val;
1812 dst->max_val = src->max_val;
1813 dst->samples = src->samples;
1814 dst->mean.u.f = src->mean.u.f;
1815 dst->S.u.f = src->S.u.f;
1816 } else {
1817 dst->min_val += src->min_val;
1818 dst->max_val += src->max_val;
1819 dst->samples += src->samples;
1820 dst->mean.u.f += src->mean.u.f;
1821 dst->S.u.f += src->S.u.f;
1822 }
756867bd
JA		 1823}
1824
37f0c1ae
JA		 1825void sum_group_stats(struct group_run_stats *dst, struct group_run_stats *src)
1826{
1827 int i;
1828
6eaf09d6 1829 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
37f0c1ae
JA		 1830 if (dst->max_run[i] < src->max_run[i])
1831 dst->max_run[i] = src->max_run[i];
1832 if (dst->min_run[i] && dst->min_run[i] > src->min_run[i])
1833 dst->min_run[i] = src->min_run[i];
1834 if (dst->max_bw[i] < src->max_bw[i])
1835 dst->max_bw[i] = src->max_bw[i];
1836 if (dst->min_bw[i] && dst->min_bw[i] > src->min_bw[i])
1837 dst->min_bw[i] = src->min_bw[i];
1838
af7f87cb 1839 dst->iobytes[i] += src->iobytes[i];
37f0c1ae
JA		 1840 dst->agg[i] += src->agg[i];
1841 }
1842
dbae1bd6
JA		 1843 if (!dst->kb_base)
1844 dst->kb_base = src->kb_base;
1845 if (!dst->unit_base)
1846 dst->unit_base = src->unit_base;
18aa1998
JF		 1847 if (!dst->sig_figs)
1848 dst->sig_figs = src->sig_figs;
37f0c1ae
JA		 1849}
1850
fd595830
JA		 1851void sum_thread_stats(struct thread_stat *dst, struct thread_stat *src,
1852 bool first)
5b9babb7
JA		 1853{
1854 int l, k;
1855
6eaf09d6 1856 for (l = 0; l < DDIR_RWDIR_CNT; l++) {
771e58be 1857 if (!dst->unified_rw_rep) {
70750d6a
JA		 1858 sum_stat(&dst->clat_stat[l], &src->clat_stat[l], first, false);
1859 sum_stat(&dst->slat_stat[l], &src->slat_stat[l], first, false);
1860 sum_stat(&dst->lat_stat[l], &src->lat_stat[l], first, false);
1861 sum_stat(&dst->bw_stat[l], &src->bw_stat[l], first, true);
1862 sum_stat(&dst->iops_stat[l], &src->iops_stat[l], first, true);
771e58be
JA		 1863
1864 dst->io_bytes[l] += src->io_bytes[l];
1865
1866 if (dst->runtime[l] < src->runtime[l])
1867 dst->runtime[l] = src->runtime[l];
1868 } else {
70750d6a
JA		 1869 sum_stat(&dst->clat_stat[0], &src->clat_stat[l], first, false);
1870 sum_stat(&dst->slat_stat[0], &src->slat_stat[l], first, false);
1871 sum_stat(&dst->lat_stat[0], &src->lat_stat[l], first, false);
1872 sum_stat(&dst->bw_stat[0], &src->bw_stat[l], first, true);
1873 sum_stat(&dst->iops_stat[0], &src->iops_stat[l], first, true);
771e58be
JA		 1874
1875 dst->io_bytes[0] += src->io_bytes[l];
1876
1877 if (dst->runtime[0] < src->runtime[l])
1878 dst->runtime[0] = src->runtime[l];
fd595830
JA		 1879
1880 /*
1881 * We're summing to the same destination, so override
1882 * 'first' after the first iteration of the loop
1883 */
1884 first = false;
771e58be 1885 }
5b9babb7
JA		 1886 }
1887
70750d6a 1888 sum_stat(&dst->sync_stat, &src->sync_stat, first, false);
5b9babb7
JA		 1889 dst->usr_time += src->usr_time;
1890 dst->sys_time += src->sys_time;
1891 dst->ctx += src->ctx;
1892 dst->majf += src->majf;
1893 dst->minf += src->minf;
1894
b2b3eefe 1895 for (k = 0; k < FIO_IO_U_MAP_NR; k++) {
5b9babb7 1896 dst->io_u_map[k] += src->io_u_map[k];
5b9babb7 1897 dst->io_u_submit[k] += src->io_u_submit[k];
5b9babb7 1898 dst->io_u_complete[k] += src->io_u_complete[k];
b2b3eefe 1899 }
bf14b39e
VF		 1900
1901 for (k = 0; k < FIO_IO_U_LAT_N_NR; k++)
d6bb626e 1902 dst->io_u_lat_n[k] += src->io_u_lat_n[k];
bf14b39e 1903 for (k = 0; k < FIO_IO_U_LAT_U_NR; k++)
5b9babb7 1904 dst->io_u_lat_u[k] += src->io_u_lat_u[k];
bf14b39e 1905 for (k = 0; k < FIO_IO_U_LAT_M_NR; k++)
5b9babb7 1906 dst->io_u_lat_m[k] += src->io_u_lat_m[k];
bf14b39e 1907
b2b3eefe
JA		 1908 for (k = 0; k < FIO_IO_U_PLAT_NR; k++)
1909 dst->io_u_sync_plat[k] += src->io_u_sync_plat[k];
5b9babb7 1910
6eaf09d6 1911 for (k = 0; k < DDIR_RWDIR_CNT; k++) {
771e58be
JA		 1912 if (!dst->unified_rw_rep) {
1913 dst->total_io_u[k] += src->total_io_u[k];
1914 dst->short_io_u[k] += src->short_io_u[k];
3bcb9d94 1915 dst->drop_io_u[k] += src->drop_io_u[k];
771e58be
JA		 1916 } else {
1917 dst->total_io_u[0] += src->total_io_u[k];
1918 dst->short_io_u[0] += src->short_io_u[k];
3bcb9d94 1919 dst->drop_io_u[0] += src->drop_io_u[k];
771e58be 1920 }
5b9babb7
JA		 1921 }
1922
7f3ecee2
JA		 1923 dst->total_io_u[DDIR_SYNC] += src->total_io_u[DDIR_SYNC];
1924
6eaf09d6 1925 for (k = 0; k < DDIR_RWDIR_CNT; k++) {
5b9babb7 1926 int m;
771e58be
JA		 1927
1928 for (m = 0; m < FIO_IO_U_PLAT_NR; m++) {
1929 if (!dst->unified_rw_rep)
1930 dst->io_u_plat[k][m] += src->io_u_plat[k][m];
1931 else
1932 dst->io_u_plat[0][m] += src->io_u_plat[k][m];
1933 }
5b9babb7
JA		 1934 }
1935
1936 dst->total_run_time += src->total_run_time;
1937 dst->total_submit += src->total_submit;
1938 dst->total_complete += src->total_complete;
fd5d733f 1939 dst->nr_zone_resets += src->nr_zone_resets;
96563db9
JA		 1940 dst->cachehit += src->cachehit;
1941 dst->cachemiss += src->cachemiss;
5b9babb7
JA		 1942}
1943
37f0c1ae
JA		 1944void init_group_run_stat(struct group_run_stats *gs)
1945{
6eaf09d6 1946 int i;
37f0c1ae 1947 memset(gs, 0, sizeof(*gs));
6eaf09d6
SL		 1948
1949 for (i = 0; i < DDIR_RWDIR_CNT; i++)
1950 gs->min_bw[i] = gs->min_run[i] = ~0UL;
37f0c1ae
JA		 1951}
1952
1953void init_thread_stat(struct thread_stat *ts)
1954{
1955 int j;
1956
1957 memset(ts, 0, sizeof(*ts));
1958
6eaf09d6 1959 for (j = 0; j < DDIR_RWDIR_CNT; j++) {
37f0c1ae
JA		 1960 ts->lat_stat[j].min_val = -1UL;
1961 ts->clat_stat[j].min_val = -1UL;
1962 ts->slat_stat[j].min_val = -1UL;
1963 ts->bw_stat[j].min_val = -1UL;
188b6016 1964 ts->iops_stat[j].min_val = -1UL;
37f0c1ae 1965 }
7f3ecee2 1966 ts->sync_stat.min_val = -1UL;
37f0c1ae
JA		 1967 ts->groupid = -1;
1968}
1969
83f7b64e 1970void __show_run_stats(void)
3c39a379
JA		 1971{
1972 struct group_run_stats *runstats, *rs;
1973 struct thread_data *td;
756867bd 1974 struct thread_stat *threadstats, *ts;
4da24b69 1975 int i, j, k, nr_ts, last_ts, idx;
8985b491
JA		 1976 bool kb_base_warned = false;
1977 bool unit_base_warned = false;
cc372b17
SL		 1978 struct json_object *root = NULL;
1979 struct json_array *array = NULL;
a666cab8 1980 struct buf_output output[FIO_OUTPUT_NR];
66e19a38 1981 struct flist_head **opt_lists;
a666cab8 1982
3c39a379
JA		 1983 runstats = malloc(sizeof(struct group_run_stats) * (groupid + 1));
1984
37f0c1ae
JA		 1985 for (i = 0; i < groupid + 1; i++)
1986 init_group_run_stat(&runstats[i]);
3c39a379 1987
756867bd
JA		 1988 /*
1989 * find out how many threads stats we need. if group reporting isn't
1990 * enabled, it's one-per-td.
1991 */
1992 nr_ts = 0;
1993 last_ts = -1;
1994 for_each_td(td, i) {
2dc1bbeb 1995 if (!td->o.group_reporting) {
756867bd
JA		 1996 nr_ts++;
1997 continue;
1998 }
1999 if (last_ts == td->groupid)
2000 continue;
8243be59
JA		 2001 if (!td->o.stats)
2002 continue;
756867bd
JA		 2003
2004 last_ts = td->groupid;
2005 nr_ts++;
2006 }
2007
2008 threadstats = malloc(nr_ts * sizeof(struct thread_stat));
66e19a38 2009 opt_lists = malloc(nr_ts * sizeof(struct flist_head *));
756867bd 2010
66e19a38 2011 for (i = 0; i < nr_ts; i++) {
37f0c1ae 2012 init_thread_stat(&threadstats[i]);
66e19a38
JA		 2013 opt_lists[i] = NULL;
2014 }
756867bd
JA		 2015
2016 j = 0;
2017 last_ts = -1;
197574e4 2018 idx = 0;
34572e28 2019 for_each_td(td, i) {
8243be59
JA		 2020 if (!td->o.stats)
2021 continue;
2dc1bbeb
JA		 2022 if (idx && (!td->o.group_reporting ||
2023 (td->o.group_reporting && last_ts != td->groupid))) {
7abd0e3a
JA		 2024 idx = 0;
2025 j++;
2026 }
2027
2028 last_ts = td->groupid;
2029
756867bd
JA		 2030 ts = &threadstats[j];
2031
83349190 2032 ts->clat_percentiles = td->o.clat_percentiles;
b599759b 2033 ts->lat_percentiles = td->o.lat_percentiles;
435d195a 2034 ts->percentile_precision = td->o.percentile_precision;
fd112d34 2035 memcpy(ts->percentile_list, td->o.percentile_list, sizeof(td->o.percentile_list));
66e19a38 2036 opt_lists[j] = &td->opt_list;
83349190 2037
197574e4 2038 idx++;
6586ee89 2039 ts->members++;
756867bd 2040
7abd0e3a 2041 if (ts->groupid == -1) {
2dc84ba7
JA		 2042 /*
2043 * These are per-group shared already
2044 */
36833fb0 2045 snprintf(ts->name, sizeof(ts->name), "%s", td->o.name);
a64e88da 2046 if (td->o.description)
36833fb0
BVA		 2047 snprintf(ts->description,
2048 sizeof(ts->description), "%s",
2049 td->o.description);
a64e88da 2050 else
4e59d0f3 2051 memset(ts->description, 0, FIO_JOBDESC_SIZE);
a64e88da 2052
2f122b13
JA		 2053 /*
2054 * If multiple entries in this group, this is
2055 * the first member.
2056 */
2057 ts->thread_number = td->thread_number;
756867bd 2058 ts->groupid = td->groupid;
2dc84ba7
JA		 2059
2060 /*
2061 * first pid in group, not very useful...
2062 */
756867bd 2063 ts->pid = td->pid;
90fef2d1
JA		 2064
2065 ts->kb_base = td->o.kb_base;
ad705bcb 2066 ts->unit_base = td->o.unit_base;
e883cb35 2067 ts->sig_figs = td->o.sig_figs;
771e58be 2068 ts->unified_rw_rep = td->o.unified_rw_rep;
90fef2d1
JA		 2069 } else if (ts->kb_base != td->o.kb_base && !kb_base_warned) {
2070 log_info("fio: kb_base differs for jobs in group, using"
2071 " %u as the base\n", ts->kb_base);
8985b491 2072 kb_base_warned = true;
ad705bcb
SN		 2073 } else if (ts->unit_base != td->o.unit_base && !unit_base_warned) {
2074 log_info("fio: unit_base differs for jobs in group, using"
2075 " %u as the base\n", ts->unit_base);
8985b491 2076 unit_base_warned = true;
2dc84ba7
JA		 2077 }
2078
f2bba182
RR		 2079 ts->continue_on_error = td->o.continue_on_error;
2080 ts->total_err_count += td->total_err_count;
2081 ts->first_error = td->first_error;
2082 if (!ts->error) {
2083 if (!td->error && td->o.continue_on_error &&
2084 td->first_error) {
2085 ts->error = td->first_error;
36833fb0
BVA		 2086 snprintf(ts->verror, sizeof(ts->verror), "%s",
2087 td->verror);
f2bba182
RR		 2088 } else if (td->error) {
2089 ts->error = td->error;
36833fb0
BVA		 2090 snprintf(ts->verror, sizeof(ts->verror), "%s",
2091 td->verror);
f2bba182 2092 }
756867bd
JA		 2093 }
2094
3e260a46
JA		 2095 ts->latency_depth = td->latency_qd;
2096 ts->latency_target = td->o.latency_target;
2097 ts->latency_percentile = td->o.latency_percentile;
2098 ts->latency_window = td->o.latency_window;
2099
0e4dd95c 2100 ts->nr_block_infos = td->ts.nr_block_infos;
4da24b69
JA		 2101 for (k = 0; k < ts->nr_block_infos; k++)
2102 ts->block_infos[k] = td->ts.block_infos[k];
0e4dd95c 2103
fd595830 2104 sum_thread_stats(ts, &td->ts, idx == 1);
16e56d25 2105
bb49c8bd
VF		 2106 if (td->o.ss_dur) {
2107 ts->ss_state = td->ss.state;
2108 ts->ss_dur = td->ss.dur;
2109 ts->ss_head = td->ss.head;
bb49c8bd
VF		 2110 ts->ss_bw_data = td->ss.bw_data;
2111 ts->ss_iops_data = td->ss.iops_data;
2112 ts->ss_limit.u.f = td->ss.limit;
2113 ts->ss_slope.u.f = td->ss.slope;
2114 ts->ss_deviation.u.f = td->ss.deviation;
2115 ts->ss_criterion.u.f = td->ss.criterion;
2116 }
16e56d25 2117 else
bb49c8bd 2118 ts->ss_dur = ts->ss_state = 0;
756867bd
JA		 2119 }
2120
2121 for (i = 0; i < nr_ts; i++) {
94370ac4 2122 unsigned long long bw;
3c39a379 2123
756867bd 2124 ts = &threadstats[i];
dedb88eb
JA		 2125 if (ts->groupid == -1)
2126 continue;
756867bd 2127 rs = &runstats[ts->groupid];
90fef2d1 2128 rs->kb_base = ts->kb_base;
ad705bcb 2129 rs->unit_base = ts->unit_base;
e883cb35 2130 rs->sig_figs = ts->sig_figs;
771e58be 2131 rs->unified_rw_rep += ts->unified_rw_rep;
3c39a379 2132
6eaf09d6 2133 for (j = 0; j < DDIR_RWDIR_CNT; j++) {
94370ac4
JA		 2134 if (!ts->runtime[j])
2135 continue;
2136 if (ts->runtime[j] < rs->min_run[j] || !rs->min_run[j])
2137 rs->min_run[j] = ts->runtime[j];
2138 if (ts->runtime[j] > rs->max_run[j])
2139 rs->max_run[j] = ts->runtime[j];
2140
2141 bw = 0;
af7f87cb
RE		 2142 if (ts->runtime[j])
2143 bw = ts->io_bytes[j] * 1000 / ts->runtime[j];
94370ac4
JA		 2144 if (bw < rs->min_bw[j])
2145 rs->min_bw[j] = bw;
2146 if (bw > rs->max_bw[j])
2147 rs->max_bw[j] = bw;
2148
af7f87cb 2149 rs->iobytes[j] += ts->io_bytes[j];
94370ac4 2150 }
3c39a379
JA		 2151 }
2152
2153 for (i = 0; i < groupid + 1; i++) {
6eaf09d6
SL		 2154 int ddir;
2155
3c39a379
JA		 2156 rs = &runstats[i];
2157
6eaf09d6
SL		 2158 for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++) {
2159 if (rs->max_run[ddir])
af7f87cb 2160 rs->agg[ddir] = (rs->iobytes[ddir] * 1000) /
6eaf09d6
SL		 2161 rs->max_run[ddir];
2162 }
3c39a379
JA		 2163 }
2164
a666cab8 2165 for (i = 0; i < FIO_OUTPUT_NR; i++)
e250c0a9 2166 buf_output_init(&output[i]);
a666cab8 2167
3c39a379
JA		 2168 /*
2169 * don't overwrite last signal output
2170 */
129fb2d4 2171 if (output_format & FIO_OUTPUT_NORMAL)
a666cab8 2172 log_buf(&output[__FIO_OUTPUT_NORMAL], "\n");
129fb2d4 2173 if (output_format & FIO_OUTPUT_JSON) {
66e19a38 2174 struct thread_data *global;
35326842 2175 char time_buf[32];
aa7d2ef0
RH		 2176 struct timeval now;
2177 unsigned long long ms_since_epoch;
afd74e2a 2178 time_t tv_sec;
91e53870 2179
aa7d2ef0
RH		 2180 gettimeofday(&now, NULL);
2181 ms_since_epoch = (unsigned long long)(now.tv_sec) * 1000 +
2182 (unsigned long long)(now.tv_usec) / 1000;
2183
afd74e2a
BVA		 2184 tv_sec = now.tv_sec;
2185 os_ctime_r(&tv_sec, time_buf, sizeof(time_buf));
1d272416
JA		 2186 if (time_buf[strlen(time_buf) - 1] == '\n')
2187 time_buf[strlen(time_buf) - 1] = '\0';
91e53870 2188
cc372b17
SL		 2189 root = json_create_object();
2190 json_object_add_value_string(root, "fio version", fio_version_string);
aa7d2ef0
RH		 2191 json_object_add_value_int(root, "timestamp", now.tv_sec);
2192 json_object_add_value_int(root, "timestamp_ms", ms_since_epoch);
91e53870 2193 json_object_add_value_string(root, "time", time_buf);
66e19a38 2194 global = get_global_options();
0cf542af 2195 json_add_job_opts(root, "global options", &global->opt_list);
cc372b17
SL		 2196 array = json_create_array();
2197 json_object_add_value_array(root, "jobs", array);
2198 }
3c39a379 2199
0279b880
JA		 2200 if (is_backend)
2201 fio_server_send_job_options(&get_global_options()->opt_list, -1U);
2202
756867bd
JA		 2203 for (i = 0; i < nr_ts; i++) {
2204 ts = &threadstats[i];
2205 rs = &runstats[ts->groupid];
3c39a379 2206
0279b880
JA		 2207 if (is_backend) {
2208 fio_server_send_job_options(opt_lists[i], i);
a64e88da 2209 fio_server_send_ts(ts, rs);
0279b880 2210 } else {
129fb2d4 2211 if (output_format & FIO_OUTPUT_TERSE)
a666cab8 2212 show_thread_status_terse(ts, rs, &output[__FIO_OUTPUT_TERSE]);
129fb2d4 2213 if (output_format & FIO_OUTPUT_JSON) {
66e19a38 2214 struct json_object *tmp = show_thread_status_json(ts, rs, opt_lists[i]);
129fb2d4
JA		 2215 json_array_add_value_object(array, tmp);
2216 }
2217 if (output_format & FIO_OUTPUT_NORMAL)
a666cab8 2218 show_thread_status_normal(ts, rs, &output[__FIO_OUTPUT_NORMAL]);
129fb2d4 2219 }
3c39a379 2220 }
ab34ddd1 2221 if (!is_backend && (output_format & FIO_OUTPUT_JSON)) {
cc372b17 2222 /* disk util stats, if any */
a666cab8 2223 show_disk_util(1, root, &output[__FIO_OUTPUT_JSON]);
cc372b17 2224
a666cab8 2225 show_idle_prof_stats(FIO_OUTPUT_JSON, root, &output[__FIO_OUTPUT_JSON]);
f2a2ce0e 2226
a666cab8
JA		 2227 json_print_object(root, &output[__FIO_OUTPUT_JSON]);
2228 log_buf(&output[__FIO_OUTPUT_JSON], "\n");
cc372b17
SL		 2229 json_free_object(root);
2230 }
3c39a379 2231
72c27ff8
JA		 2232 for (i = 0; i < groupid + 1; i++) {
2233 rs = &runstats[i];
3c39a379 2234
72c27ff8 2235 rs->groupid = i;
d09a64a0 2236 if (is_backend)
72c27ff8 2237 fio_server_send_gs(rs);
129fb2d4 2238 else if (output_format & FIO_OUTPUT_NORMAL)
a666cab8 2239 show_group_stats(rs, &output[__FIO_OUTPUT_NORMAL]);
c6ae0a5b 2240 }
eecf272f 2241
72c27ff8
JA		 2242 if (is_backend)
2243 fio_server_send_du();
129fb2d4 2244 else if (output_format & FIO_OUTPUT_NORMAL) {
a666cab8
JA		 2245 show_disk_util(0, NULL, &output[__FIO_OUTPUT_NORMAL]);
2246 show_idle_prof_stats(FIO_OUTPUT_NORMAL, NULL, &output[__FIO_OUTPUT_NORMAL]);
60904003 2247 }
f2a2ce0e 2248
3d57c0e9 2249 for (i = 0; i < FIO_OUTPUT_NR; i++) {
3dc3aa41 2250 struct buf_output *out = &output[i];
8dd0eca3 2251
3dc3aa41 2252 log_info_buf(out->buf, out->buflen);
3dc3aa41 2253 buf_output_free(out);
3d57c0e9 2254 }
2b8c71b0 2255
7ceefc09
FS		 2256 fio_idle_prof_cleanup();
2257
fdd5f15f 2258 log_info_flush();
eecf272f 2259 free(runstats);
756867bd 2260 free(threadstats);
66e19a38 2261 free(opt_lists);
3c39a379
JA		 2262}
2263
5ddc6707 2264void __show_running_run_stats(void)
b852e7cf
JA		 2265{
2266 struct thread_data *td;
2267 unsigned long long *rt;
8b6a404c 2268 struct timespec ts;
b852e7cf
JA		 2269 int i;
2270
971caeb1 2271 fio_sem_down(stat_sem);
90811930 2272
b852e7cf 2273 rt = malloc(thread_number * sizeof(unsigned long long));
8b6a404c 2274 fio_gettime(&ts, NULL);
b852e7cf
JA		 2275
2276 for_each_td(td, i) {
c97f1ad6 2277 td->update_rusage = 1;
6eaf09d6
SL		 2278 td->ts.io_bytes[DDIR_READ] = td->io_bytes[DDIR_READ];
2279 td->ts.io_bytes[DDIR_WRITE] = td->io_bytes[DDIR_WRITE];
2280 td->ts.io_bytes[DDIR_TRIM] = td->io_bytes[DDIR_TRIM];
8b6a404c 2281 td->ts.total_run_time = mtime_since(&td->epoch, &ts);
6c041a88 2282
8b6a404c 2283 rt[i] = mtime_since(&td->start, &ts);
6c041a88 2284 if (td_read(td) && td->ts.io_bytes[DDIR_READ])
2285 td->ts.runtime[DDIR_READ] += rt[i];
2286 if (td_write(td) && td->ts.io_bytes[DDIR_WRITE])
2287 td->ts.runtime[DDIR_WRITE] += rt[i];
2288 if (td_trim(td) && td->ts.io_bytes[DDIR_TRIM])
2289 td->ts.runtime[DDIR_TRIM] += rt[i];
b852e7cf
JA		 2290 }
2291
c97f1ad6 2292 for_each_td(td, i) {
fda2cfac
JA		 2293 if (td->runstate >= TD_EXITED)
2294 continue;
c97f1ad6
JA		 2295 if (td->rusage_sem) {
2296 td->update_rusage = 1;
971caeb1 2297 fio_sem_down(td->rusage_sem);
c97f1ad6
JA		 2298 }
2299 td->update_rusage = 0;
2300 }
2301
cef9175e 2302 __show_run_stats();
b852e7cf
JA		 2303
2304 for_each_td(td, i) {
6c041a88 2305 if (td_read(td) && td->ts.io_bytes[DDIR_READ])
b852e7cf 2306 td->ts.runtime[DDIR_READ] -= rt[i];
6c041a88 2307 if (td_write(td) && td->ts.io_bytes[DDIR_WRITE])
b852e7cf 2308 td->ts.runtime[DDIR_WRITE] -= rt[i];
6c041a88 2309 if (td_trim(td) && td->ts.io_bytes[DDIR_TRIM])
6eaf09d6 2310 td->ts.runtime[DDIR_TRIM] -= rt[i];
b852e7cf
JA		 2311 }
2312
2313 free(rt);
971caeb1 2314 fio_sem_up(stat_sem);
b852e7cf
JA		 2315}
2316
8985b491 2317static bool status_interval_init;
8b6a404c 2318static struct timespec status_time;
8985b491 2319static bool status_file_disabled;
06464907 2320
dac45f23 2321#define FIO_STATUS_FILE "fio-dump-status"
06464907
JA		 2322
2323static int check_status_file(void)
2324{
2325 struct stat sb;
a0bafb7d
BC		 2326 const char *temp_dir;
2327 char fio_status_file_path[PATH_MAX];
06464907 2328
77d99675
JA		 2329 if (status_file_disabled)
2330 return 0;
2331
a0bafb7d 2332 temp_dir = getenv("TMPDIR");
48b16e27 2333 if (temp_dir == NULL) {
a0bafb7d 2334 temp_dir = getenv("TEMP");
48b16e27
JA		 2335 if (temp_dir && strlen(temp_dir) >= PATH_MAX)
2336 temp_dir = NULL;
2337 }
a0bafb7d
BC		 2338 if (temp_dir == NULL)
2339 temp_dir = "/tmp";
3544731c
BVA		 2340#ifdef __COVERITY__
2341 __coverity_tainted_data_sanitize__(temp_dir);
2342#endif
a0bafb7d
BC		 2343
2344 snprintf(fio_status_file_path, sizeof(fio_status_file_path), "%s/%s", temp_dir, FIO_STATUS_FILE);
2345
2346 if (stat(fio_status_file_path, &sb))
06464907
JA		 2347 return 0;
2348
77d99675
JA		 2349 if (unlink(fio_status_file_path) < 0) {
2350 log_err("fio: failed to unlink %s: %s\n", fio_status_file_path,
2351 strerror(errno));
2352 log_err("fio: disabling status file updates\n");
8985b491 2353 status_file_disabled = true;
77d99675
JA		 2354 }
2355
06464907
JA		 2356 return 1;
2357}
2358
2359void check_for_running_stats(void)
2360{
2361 if (status_interval) {
2362 if (!status_interval_init) {
2363 fio_gettime(&status_time, NULL);
8985b491 2364 status_interval_init = true;
06464907
JA		 2365 } else if (mtime_since_now(&status_time) >= status_interval) {
2366 show_running_run_stats();
2367 fio_gettime(&status_time, NULL);
2368 return;
2369 }
2370 }
2371 if (check_status_file()) {
2372 show_running_run_stats();
2373 return;
2374 }
2375}
2376
d6bb626e 2377static inline void add_stat_sample(struct io_stat *is, unsigned long long data)
3c39a379 2378{
68704084 2379 double val = data;
6660cc67 2380 double delta;
68704084
JA		 2381
2382 if (data > is->max_val)
2383 is->max_val = data;
2384 if (data < is->min_val)
2385 is->min_val = data;
2386
802ad4a8 2387 delta = val - is->mean.u.f;
ef11d737 2388 if (delta) {
802ad4a8
JA		 2389 is->mean.u.f += delta / (is->samples + 1.0);
2390 is->S.u.f += delta * (val - is->mean.u.f);
ef11d737 2391 }
3c39a379 2392
3c39a379
JA		 2393 is->samples++;
2394}
2395
7e419452
JA		 2396/*
2397 * Return a struct io_logs, which is added to the tail of the log
2398 * list for 'iolog'.
2399 */
2400static struct io_logs *get_new_log(struct io_log *iolog)
2401{
2402 size_t new_size, new_samples;
2403 struct io_logs *cur_log;
2404
2405 /*
2406 * Cap the size at MAX_LOG_ENTRIES, so we don't keep doubling
2407 * forever
2408 */
2409 if (!iolog->cur_log_max)
2410 new_samples = DEF_LOG_ENTRIES;
2411 else {
2412 new_samples = iolog->cur_log_max * 2;
2413 if (new_samples > MAX_LOG_ENTRIES)
2414 new_samples = MAX_LOG_ENTRIES;
2415 }
2416
7e419452 2417 new_size = new_samples * log_entry_sz(iolog);
7e419452 2418
90d2d53f 2419 cur_log = smalloc(sizeof(*cur_log));
7e419452
JA		 2420 if (cur_log) {
2421 INIT_FLIST_HEAD(&cur_log->list);
2422 cur_log->log = malloc(new_size);
2423 if (cur_log->log) {
2424 cur_log->nr_samples = 0;
2425 cur_log->max_samples = new_samples;
2426 flist_add_tail(&cur_log->list, &iolog->io_logs);
2427 iolog->cur_log_max = new_samples;
2428 return cur_log;
2429 }
90d2d53f 2430 sfree(cur_log);
7e419452
JA		 2431 }
2432
2433 return NULL;
2434}
2435
1fed2080
JA		 2436/*
2437 * Add and return a new log chunk, or return current log if big enough
2438 */
2439static struct io_logs *regrow_log(struct io_log *iolog)
7e419452
JA		 2440{
2441 struct io_logs *cur_log;
1fed2080 2442 int i;
7e419452 2443
1fed2080 2444 if (!iolog || iolog->disabled)
2ab71dc4 2445 goto disable;
7e419452 2446
1fed2080 2447 cur_log = iolog_cur_log(iolog);
a9afa45a
JA		 2448 if (!cur_log) {
2449 cur_log = get_new_log(iolog);
2450 if (!cur_log)
2451 return NULL;
2452 }
2453
7e419452
JA		 2454 if (cur_log->nr_samples < cur_log->max_samples)
2455 return cur_log;
2456
2457 /*
2458 * No room for a new sample. If we're compressing on the fly, flush
2459 * out the current chunk
2460 */
2461 if (iolog->log_gz) {
2462 if (iolog_cur_flush(iolog, cur_log)) {
2463 log_err("fio: failed flushing iolog! Will stop logging.\n");
2464 return NULL;
2465 }
2466 }
2467
2468 /*
2469 * Get a new log array, and add to our list
2470 */
2471 cur_log = get_new_log(iolog);
1fed2080
JA		 2472 if (!cur_log) {
2473 log_err("fio: failed extending iolog! Will stop logging.\n");
2474 return NULL;
2475 }
2476
2477 if (!iolog->pending || !iolog->pending->nr_samples)
80a24ba9 2478 return cur_log;
7e419452 2479
1fed2080
JA		 2480 /*
2481 * Flush pending items to new log
2482 */
2483 for (i = 0; i < iolog->pending->nr_samples; i++) {
2484 struct io_sample *src, *dst;
2485
2486 src = get_sample(iolog, iolog->pending, i);
2487 dst = get_sample(iolog, cur_log, i);
2488 memcpy(dst, src, log_entry_sz(iolog));
2489 }
0b2eef49 2490 cur_log->nr_samples = iolog->pending->nr_samples;
1fed2080
JA		 2491
2492 iolog->pending->nr_samples = 0;
2493 return cur_log;
2ab71dc4
JA		 2494disable:
2495 if (iolog)
2496 iolog->disabled = true;
2497 return NULL;
1fed2080
JA		 2498}
2499
2500void regrow_logs(struct thread_data *td)
2501{
2ab71dc4
JA		 2502 regrow_log(td->slat_log);
2503 regrow_log(td->clat_log);
1e613c9c 2504 regrow_log(td->clat_hist_log);
2ab71dc4
JA		 2505 regrow_log(td->lat_log);
2506 regrow_log(td->bw_log);
2507 regrow_log(td->iops_log);
1fed2080
JA		 2508 td->flags &= ~TD_F_REGROW_LOGS;
2509}
2510
2511static struct io_logs *get_cur_log(struct io_log *iolog)
2512{
2513 struct io_logs *cur_log;
2514
2515 cur_log = iolog_cur_log(iolog);
2516 if (!cur_log) {
2517 cur_log = get_new_log(iolog);
2518 if (!cur_log)
2519 return NULL;
2520 }
2521
2522 if (cur_log->nr_samples < cur_log->max_samples)
2523 return cur_log;
2524
2525 /*
1eb467fb
JA		 2526 * Out of space. If we're in IO offload mode, or we're not doing
2527 * per unit logging (hence logging happens outside of the IO thread
2528 * as well), add a new log chunk inline. If we're doing inline
2529 * submissions, flag 'td' as needing a log regrow and we'll take
2530 * care of it on the submission side.
1fed2080 2531 */
ab5643cb 2532 if ((iolog->td && iolog->td->o.io_submit_mode == IO_MODE_OFFLOAD) ||
1eb467fb 2533 !per_unit_log(iolog))
1fed2080
JA		 2534 return regrow_log(iolog);
2535
ab5643cb
IK		 2536 if (iolog->td)
2537 iolog->td->flags |= TD_F_REGROW_LOGS;
2538 if (iolog->pending)
2539 assert(iolog->pending->nr_samples < iolog->pending->max_samples);
1fed2080 2540 return iolog->pending;
7e419452
JA		 2541}
2542
af2fde19 2543static void __add_log_sample(struct io_log *iolog, union io_sample_data data,
5fff9543 2544 enum fio_ddir ddir, unsigned long long bs,
ae588852 2545 unsigned long t, uint64_t offset)
3c39a379 2546{
7e419452 2547 struct io_logs *cur_log;
306ddc97 2548
3c568239
JA		 2549 if (iolog->disabled)
2550 return;
7e419452 2551 if (flist_empty(&iolog->io_logs))
8355119b 2552 iolog->avg_last[ddir] = t;
b8bc8cba 2553
7e419452
JA		 2554 cur_log = get_cur_log(iolog);
2555 if (cur_log) {
2556 struct io_sample *s;
3c39a379 2557
7e419452 2558 s = get_sample(iolog, cur_log, cur_log->nr_samples);
3c39a379 2559
af2fde19 2560 s->data = data;
a9179eeb 2561 s->time = t + (iolog->td ? iolog->td->unix_epoch : 0);
7e419452
JA		 2562 io_sample_set_ddir(iolog, s, ddir);
2563 s->bs = bs;
ae588852 2564
7e419452
JA		 2565 if (iolog->log_offset) {
2566 struct io_sample_offset *so = (void *) s;
ae588852 2567
7e419452
JA		 2568 so->offset = offset;
2569 }
ae588852 2570
7e419452
JA		 2571 cur_log->nr_samples++;
2572 return;
ae588852
JA		 2573 }
2574
7e419452 2575 iolog->disabled = true;
3c39a379
JA		 2576}
2577
7fb28d36
JA		 2578static inline void reset_io_stat(struct io_stat *ios)
2579{
5b8f19b7
JA		 2580 ios->min_val = -1ULL;
2581 ios->max_val = ios->samples = 0;
7fb28d36
JA		 2582 ios->mean.u.f = ios->S.u.f = 0;
2583}
2584
6bb58215
JA		 2585void reset_io_stats(struct thread_data *td)
2586{
2587 struct thread_stat *ts = &td->ts;
2588 int i, j;
2589
2590 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
2591 reset_io_stat(&ts->clat_stat[i]);
2592 reset_io_stat(&ts->slat_stat[i]);
2593 reset_io_stat(&ts->lat_stat[i]);
2594 reset_io_stat(&ts->bw_stat[i]);
2595 reset_io_stat(&ts->iops_stat[i]);
2596
2597 ts->io_bytes[i] = 0;
2598 ts->runtime[i] = 0;
71cb78c1
VF		 2599 ts->total_io_u[i] = 0;
2600 ts->short_io_u[i] = 0;
2601 ts->drop_io_u[i] = 0;
6bb58215 2602
b2b3eefe 2603 for (j = 0; j < FIO_IO_U_PLAT_NR; j++) {
6bb58215 2604 ts->io_u_plat[i][j] = 0;
b2b3eefe
JA		 2605 if (!i)
2606 ts->io_u_sync_plat[j] = 0;
2607 }
6bb58215
JA		 2608 }
2609
7f3ecee2
JA		 2610 ts->total_io_u[DDIR_SYNC] = 0;
2611
6bb58215
JA		 2612 for (i = 0; i < FIO_IO_U_MAP_NR; i++) {
2613 ts->io_u_map[i] = 0;
2614 ts->io_u_submit[i] = 0;
2615 ts->io_u_complete[i] = 0;
71cb78c1
VF		 2616 }
2617
d6bb626e
VF		 2618 for (i = 0; i < FIO_IO_U_LAT_N_NR; i++)
2619 ts->io_u_lat_n[i] = 0;
71cb78c1 2620 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++)
6bb58215 2621 ts->io_u_lat_u[i] = 0;
71cb78c1 2622 for (i = 0; i < FIO_IO_U_LAT_M_NR; i++)
6bb58215 2623 ts->io_u_lat_m[i] = 0;
6bb58215 2624
71cb78c1
VF		 2625 ts->total_submit = 0;
2626 ts->total_complete = 0;
fd5d733f 2627 ts->nr_zone_resets = 0;
96563db9 2628 ts->cachehit = ts->cachemiss = 0;
6bb58215
JA		 2629}
2630
d96d3bb3 2631static void __add_stat_to_log(struct io_log *iolog, enum fio_ddir ddir,
e6989e10 2632 unsigned long elapsed, bool log_max)
99007068
PO		 2633{
2634 /*
2635 * Note an entry in the log. Use the mean from the logged samples,
2636 * making sure to properly round up. Only write a log entry if we
2637 * had actual samples done.
2638 */
d96d3bb3 2639 if (iolog->avg_window[ddir].samples) {
af2fde19 2640 union io_sample_data data;
99007068 2641
e6989e10 2642 if (log_max)
af2fde19 2643 data.val = iolog->avg_window[ddir].max_val;
e6989e10 2644 else
af2fde19 2645 data.val = iolog->avg_window[ddir].mean.u.f + 0.50;
e6989e10 2646
af2fde19 2647 __add_log_sample(iolog, data, ddir, 0, elapsed, 0);
99007068 2648 }
99007068 2649
d96d3bb3
JA		 2650 reset_io_stat(&iolog->avg_window[ddir]);
2651}
99007068 2652
e6989e10
JA		 2653static void _add_stat_to_log(struct io_log *iolog, unsigned long elapsed,
2654 bool log_max)
d96d3bb3
JA		 2655{
2656 int ddir;
99007068 2657
d96d3bb3 2658 for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++)
e6989e10 2659 __add_stat_to_log(iolog, ddir, elapsed, log_max);
99007068
PO		 2660}
2661
674456bf
JF		 2662static unsigned long add_log_sample(struct thread_data *td,
2663 struct io_log *iolog,
2664 union io_sample_data data,
5fff9543 2665 enum fio_ddir ddir, unsigned long long bs,
674456bf 2666 uint64_t offset)
bb3884d8 2667{
7fb28d36 2668 unsigned long elapsed, this_window;
b8bc8cba 2669
ff58fced 2670 if (!ddir_rw(ddir))
d454a205 2671 return 0;
ff58fced 2672
b8bc8cba
JA		 2673 elapsed = mtime_since_now(&td->epoch);
2674
2675 /*
2676 * If no time averaging, just add the log sample.
2677 */
2678 if (!iolog->avg_msec) {
af2fde19 2679 __add_log_sample(iolog, data, ddir, bs, elapsed, offset);
d454a205 2680 return 0;
b8bc8cba
JA		 2681 }
2682
2683 /*
2684 * Add the sample. If the time period has passed, then
2685 * add that entry to the log and clear.
2686 */
af2fde19 2687 add_stat_sample(&iolog->avg_window[ddir], data.val);
b8bc8cba 2688
7fb28d36
JA		 2689 /*
2690 * If period hasn't passed, adding the above sample is all we
2691 * need to do.
2692 */
8355119b
SW		 2693 this_window = elapsed - iolog->avg_last[ddir];
2694 if (elapsed < iolog->avg_last[ddir])
2695 return iolog->avg_last[ddir] - elapsed;
f5a568cf 2696 else if (this_window < iolog->avg_msec) {
674456bf 2697 unsigned long diff = iolog->avg_msec - this_window;
d454a205 2698
b392f36d 2699 if (inline_log(iolog) || diff > LOG_MSEC_SLACK)
d454a205
JA		 2700 return diff;
2701 }
b8bc8cba 2702
8355119b 2703 __add_stat_to_log(iolog, ddir, elapsed, td->o.log_max != 0);
b8bc8cba 2704
8355119b 2705 iolog->avg_last[ddir] = elapsed - (this_window - iolog->avg_msec);
d454a205 2706 return iolog->avg_msec;
99007068 2707}
6eaf09d6 2708
a47591e4 2709void finalize_logs(struct thread_data *td, bool unit_logs)
99007068
PO		 2710{
2711 unsigned long elapsed;
6eaf09d6 2712
99007068 2713 elapsed = mtime_since_now(&td->epoch);
b8bc8cba 2714
a47591e4 2715 if (td->clat_log && unit_logs)
e6989e10 2716 _add_stat_to_log(td->clat_log, elapsed, td->o.log_max != 0);
a47591e4 2717 if (td->slat_log && unit_logs)
e6989e10 2718 _add_stat_to_log(td->slat_log, elapsed, td->o.log_max != 0);
a47591e4 2719 if (td->lat_log && unit_logs)
e6989e10 2720 _add_stat_to_log(td->lat_log, elapsed, td->o.log_max != 0);
a47591e4 2721 if (td->bw_log && (unit_logs == per_unit_log(td->bw_log)))
e6989e10 2722 _add_stat_to_log(td->bw_log, elapsed, td->o.log_max != 0);
a47591e4 2723 if (td->iops_log && (unit_logs == per_unit_log(td->iops_log)))
e6989e10 2724 _add_stat_to_log(td->iops_log, elapsed, td->o.log_max != 0);
bb3884d8
JA		 2725}
2726
5fff9543 2727void add_agg_sample(union io_sample_data data, enum fio_ddir ddir, unsigned long long bs)
bb3884d8 2728{
ff58fced 2729 struct io_log *iolog;
bb3884d8 2730
ff58fced
JA		 2731 if (!ddir_rw(ddir))
2732 return;
2733
2734 iolog = agg_io_log[ddir];
af2fde19 2735 __add_log_sample(iolog, data, ddir, bs, mtime_since_genesis(), 0);
bb3884d8
JA		 2736}
2737
b2b3eefe
JA		 2738void add_sync_clat_sample(struct thread_stat *ts, unsigned long long nsec)
2739{
2740 unsigned int idx = plat_val_to_idx(nsec);
2741 assert(idx < FIO_IO_U_PLAT_NR);
2742
2743 ts->io_u_sync_plat[idx]++;
2744 add_stat_sample(&ts->sync_stat, nsec);
2745}
2746
83349190 2747static void add_clat_percentile_sample(struct thread_stat *ts,
d6bb626e 2748 unsigned long long nsec, enum fio_ddir ddir)
83349190 2749{
d6bb626e 2750 unsigned int idx = plat_val_to_idx(nsec);
83349190
YH		 2751 assert(idx < FIO_IO_U_PLAT_NR);
2752
2753 ts->io_u_plat[ddir][idx]++;
2754}
2755
1e97cce9 2756void add_clat_sample(struct thread_data *td, enum fio_ddir ddir,
5fff9543
JF		 2757 unsigned long long nsec, unsigned long long bs,
2758 uint64_t offset)
3c39a379 2759{
26b3a188 2760 const bool needs_lock = td_async_processing(td);
1e613c9c 2761 unsigned long elapsed, this_window;
756867bd 2762 struct thread_stat *ts = &td->ts;
1e613c9c 2763 struct io_log *iolog = td->clat_hist_log;
079ad09b 2764
26b3a188
JA		 2765 if (needs_lock)
2766 __td_io_u_lock(td);
75dc383e 2767
d6bb626e 2768 add_stat_sample(&ts->clat_stat[ddir], nsec);
3c39a379 2769
7b9f733a 2770 if (td->clat_log)
d6bb626e 2771 add_log_sample(td, td->clat_log, sample_val(nsec), ddir, bs,
af2fde19 2772 offset);
83349190
YH		 2773
2774 if (ts->clat_percentiles)
d6bb626e 2775 add_clat_percentile_sample(ts, nsec, ddir);
75dc383e 2776
1e613c9c 2777 if (iolog && iolog->hist_msec) {
93168285
JA		 2778 struct io_hist *hw = &iolog->hist_window[ddir];
2779
2780 hw->samples++;
1e613c9c 2781 elapsed = mtime_since_now(&td->epoch);
93168285 2782 if (!hw->hist_last)
1e613c9c
KC		 2783 hw->hist_last = elapsed;
2784 this_window = elapsed - hw->hist_last;
2785
2786 if (this_window >= iolog->hist_msec) {
6cc0e5aa 2787 uint64_t *io_u_plat;
65a4d15c 2788 struct io_u_plat_entry *dst;
93168285 2789
1e613c9c 2790 /*
93168285
JA		 2791 * Make a byte-for-byte copy of the latency histogram
2792 * stored in td->ts.io_u_plat[ddir], recording it in a
2793 * log sample. Note that the matching call to free() is
2794 * located in iolog.c after printing this sample to the
2795 * log file.
1e613c9c 2796 */
6cc0e5aa 2797 io_u_plat = (uint64_t *) td->ts.io_u_plat[ddir];
65a4d15c
KC		 2798 dst = malloc(sizeof(struct io_u_plat_entry));
2799 memcpy(&(dst->io_u_plat), io_u_plat,
1fb9250b 2800 FIO_IO_U_PLAT_NR * sizeof(uint64_t));
d730bc58 2801 flist_add(&dst->list, &hw->list);
af2fde19 2802 __add_log_sample(iolog, sample_plat(dst), ddir, bs,
93168285 2803 elapsed, offset);
1e613c9c
KC		 2804
2805 /*
93168285
JA		 2806 * Update the last time we recorded as being now, minus
2807 * any drift in time we encountered before actually
2808 * making the record.
1e613c9c
KC		 2809 */
2810 hw->hist_last = elapsed - (this_window - iolog->hist_msec);
2811 hw->samples = 0;
2812 }
2813 }
2814
26b3a188
JA		 2815 if (needs_lock)
2816 __td_io_u_unlock(td);
3c39a379
JA		 2817}
2818
1e97cce9 2819void add_slat_sample(struct thread_data *td, enum fio_ddir ddir,
5fff9543 2820 unsigned long usec, unsigned long long bs, uint64_t offset)
3c39a379 2821{
26b3a188 2822 const bool needs_lock = td_async_processing(td);
756867bd 2823 struct thread_stat *ts = &td->ts;
079ad09b 2824
ff58fced
JA		 2825 if (!ddir_rw(ddir))
2826 return;
2827
26b3a188
JA		 2828 if (needs_lock)
2829 __td_io_u_lock(td);
75dc383e 2830
d85f5118 2831 add_stat_sample(&ts->slat_stat[ddir], usec);
3c39a379 2832
7b9f733a 2833 if (td->slat_log)
af2fde19 2834 add_log_sample(td, td->slat_log, sample_val(usec), ddir, bs, offset);
75dc383e 2835
26b3a188
JA		 2836 if (needs_lock)
2837 __td_io_u_unlock(td);
3c39a379
JA		 2838}
2839
02af0988 2840void add_lat_sample(struct thread_data *td, enum fio_ddir ddir,
5fff9543
JF		 2841 unsigned long long nsec, unsigned long long bs,
2842 uint64_t offset)
02af0988 2843{
26b3a188 2844 const bool needs_lock = td_async_processing(td);
02af0988
JA		 2845 struct thread_stat *ts = &td->ts;
2846
ff58fced
JA		 2847 if (!ddir_rw(ddir))
2848 return;
2849
26b3a188
JA		 2850 if (needs_lock)
2851 __td_io_u_lock(td);
75dc383e 2852
d6bb626e 2853 add_stat_sample(&ts->lat_stat[ddir], nsec);
02af0988 2854
7b9f733a 2855 if (td->lat_log)
d6bb626e 2856 add_log_sample(td, td->lat_log, sample_val(nsec), ddir, bs,
af2fde19 2857 offset);
75dc383e 2858
b599759b
JA		 2859 if (ts->lat_percentiles)
2860 add_clat_percentile_sample(ts, nsec, ddir);
2861
26b3a188
JA		 2862 if (needs_lock)
2863 __td_io_u_unlock(td);
02af0988
JA		 2864}
2865
a47591e4 2866void add_bw_sample(struct thread_data *td, struct io_u *io_u,
d6bb626e 2867 unsigned int bytes, unsigned long long spent)
a47591e4 2868{
26b3a188 2869 const bool needs_lock = td_async_processing(td);
a47591e4
JA		 2870 struct thread_stat *ts = &td->ts;
2871 unsigned long rate;
2872
2873 if (spent)
d6bb626e 2874 rate = (unsigned long) (bytes * 1000000ULL / spent);
a47591e4
JA		 2875 else
2876 rate = 0;
2877
26b3a188
JA		 2878 if (needs_lock)
2879 __td_io_u_lock(td);
a47591e4
JA		 2880
2881 add_stat_sample(&ts->bw_stat[io_u->ddir], rate);
2882
2883 if (td->bw_log)
af2fde19
SW		 2884 add_log_sample(td, td->bw_log, sample_val(rate), io_u->ddir,
2885 bytes, io_u->offset);
a47591e4
JA		 2886
2887 td->stat_io_bytes[io_u->ddir] = td->this_io_bytes[io_u->ddir];
26b3a188
JA		 2888
2889 if (needs_lock)
2890 __td_io_u_unlock(td);
a47591e4
JA		 2891}
2892
8b6a404c
VF		 2893static int __add_samples(struct thread_data *td, struct timespec *parent_tv,
2894 struct timespec *t, unsigned int avg_time,
4843277a
JA		 2895 uint64_t *this_io_bytes, uint64_t *stat_io_bytes,
2896 struct io_stat *stat, struct io_log *log,
2897 bool is_kb)
3c39a379 2898{
26b3a188 2899 const bool needs_lock = td_async_processing(td);
ff58fced 2900 unsigned long spent, rate;
a47591e4 2901 enum fio_ddir ddir;
674456bf 2902 unsigned long next, next_log;
d454a205 2903
4843277a 2904 next_log = avg_time;
ff58fced 2905
4843277a
JA		 2906 spent = mtime_since(parent_tv, t);
2907 if (spent < avg_time && avg_time - spent >= LOG_MSEC_SLACK)
2908 return avg_time - spent;
9602d8df 2909
26b3a188
JA		 2910 if (needs_lock)
2911 __td_io_u_lock(td);
a9da8ab2 2912
9602d8df 2913 /*
5daa4ebe
JC		 2914 * Compute both read and write rates for the interval.
2915 */
c1f50f76 2916 for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++) {
5daa4ebe
JC		 2917 uint64_t delta;
2918
4843277a 2919 delta = this_io_bytes[ddir] - stat_io_bytes[ddir];
5daa4ebe
JC		 2920 if (!delta)
2921 continue; /* No entries for interval */
3c39a379 2922
4843277a
JA		 2923 if (spent) {
2924 if (is_kb)
2925 rate = delta * 1000 / spent / 1024; /* KiB/s */
2926 else
2927 rate = (delta * 1000) / spent;
2928 } else
0956264f
JA		 2929 rate = 0;
2930
4843277a 2931 add_stat_sample(&stat[ddir], rate);
3c39a379 2932
37181709 2933 if (log) {
5fff9543 2934 unsigned long long bs = 0;
66b98c9f
JA		 2935
2936 if (td->o.min_bs[ddir] == td->o.max_bs[ddir])
2937 bs = td->o.min_bs[ddir];
2938
4843277a 2939 next = add_log_sample(td, log, sample_val(rate), ddir, bs, 0);
d454a205 2940 next_log = min(next_log, next);
66b98c9f 2941 }
5daa4ebe 2942
4843277a 2943 stat_io_bytes[ddir] = this_io_bytes[ddir];
5daa4ebe 2944 }
3c39a379 2945
8b6a404c 2946 timespec_add_msec(parent_tv, avg_time);
a47591e4 2947
26b3a188
JA		 2948 if (needs_lock)
2949 __td_io_u_unlock(td);
a47591e4 2950
4843277a
JA		 2951 if (spent <= avg_time)
2952 next = avg_time;
306fea38 2953 else
4843277a 2954 next = avg_time - (1 + spent - avg_time);
a47591e4 2955
d454a205 2956 return min(next, next_log);
a47591e4
JA		 2957}
2958
8b6a404c 2959static int add_bw_samples(struct thread_data *td, struct timespec *t)
4843277a
JA		 2960{
2961 return __add_samples(td, &td->bw_sample_time, t, td->o.bw_avg_time,
2962 td->this_io_bytes, td->stat_io_bytes,
2963 td->ts.bw_stat, td->bw_log, true);
2964}
2965
a47591e4
JA		 2966void add_iops_sample(struct thread_data *td, struct io_u *io_u,
2967 unsigned int bytes)
2968{
26b3a188 2969 const bool needs_lock = td_async_processing(td);
a47591e4
JA		 2970 struct thread_stat *ts = &td->ts;
2971
26b3a188
JA		 2972 if (needs_lock)
2973 __td_io_u_lock(td);
a47591e4
JA		 2974
2975 add_stat_sample(&ts->iops_stat[io_u->ddir], 1);
2976
2977 if (td->iops_log)
af2fde19
SW		 2978 add_log_sample(td, td->iops_log, sample_val(1), io_u->ddir,
2979 bytes, io_u->offset);
a47591e4
JA		 2980
2981 td->stat_io_blocks[io_u->ddir] = td->this_io_blocks[io_u->ddir];
26b3a188
JA		 2982
2983 if (needs_lock)
2984 __td_io_u_unlock(td);
3c39a379 2985}
c8eeb9df 2986
8b6a404c 2987static int add_iops_samples(struct thread_data *td, struct timespec *t)
c8eeb9df 2988{
4843277a
JA		 2989 return __add_samples(td, &td->iops_sample_time, t, td->o.iops_avg_time,
2990 td->this_io_blocks, td->stat_io_blocks,
2991 td->ts.iops_stat, td->iops_log, false);
a47591e4
JA		 2992}
2993
2994/*
2995 * Returns msecs to next event
2996 */
2997int calc_log_samples(void)
2998{
2999 struct thread_data *td;
3000 unsigned int next = ~0U, tmp;
8b6a404c 3001 struct timespec now;
a47591e4
JA		 3002 int i;
3003
3004 fio_gettime(&now, NULL);
3005
3006 for_each_td(td, i) {
8243be59
JA		 3007 if (!td->o.stats)
3008 continue;
6a89b401 3009 if (in_ramp_time(td) ||
a47591e4
JA		 3010 !(td->runstate == TD_RUNNING || td->runstate == TD_VERIFYING)) {
3011 next = min(td->o.iops_avg_time, td->o.bw_avg_time);
3012 continue;
3013 }
37181709
AH		 3014 if (!td->bw_log ||
3015 (td->bw_log && !per_unit_log(td->bw_log))) {
a47591e4
JA		 3016 tmp = add_bw_samples(td, &now);
3017 if (tmp < next)
3018 next = tmp;
3019 }
37181709
AH		 3020 if (!td->iops_log ||
3021 (td->iops_log && !per_unit_log(td->iops_log))) {
a47591e4
JA		 3022 tmp = add_iops_samples(td, &now);
3023 if (tmp < next)
3024 next = tmp;
3025 }
3026 }
3027
3028 return next == ~0U ? 0 : next;
c8eeb9df 3029}
cef9175e
JA		 3030
3031void stat_init(void)
3032{
971caeb1 3033 stat_sem = fio_sem_init(FIO_SEM_UNLOCKED);
cef9175e
JA		 3034}
3035
3036void stat_exit(void)
3037{
3038 /*
3039 * When we have the mutex, we know out-of-band access to it
3040 * have ended.
3041 */
971caeb1
BVA		 3042 fio_sem_down(stat_sem);
3043 fio_sem_remove(stat_sem);
cef9175e 3044}
b2ee7647 3045
b2ee7647
JA		 3046/*
3047 * Called from signal handler. Wake up status thread.
3048 */
3049void show_running_run_stats(void)
3050{
a47591e4 3051 helper_do_stat();
b2ee7647 3052}
66347cfa
DE		 3053
3054uint32_t *io_u_block_info(struct thread_data *td, struct io_u *io_u)
3055{
3056 /* Ignore io_u's which span multiple blocks--they will just get
3057 * inaccurate counts. */
3058 int idx = (io_u->offset - io_u->file->file_offset)
3059 / td->o.bs[DDIR_TRIM];
3060 uint32_t *info = &td->ts.block_infos[idx];
3061 assert(idx < td->ts.nr_block_infos);
3062 return info;
3063}
fio - Flexible IO Tester