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num2str(): Avoid an out-of-bounds array access
[fio.git] / stat.c
CommitLineData
3c39a379
JA		 1#include <stdio.h>
2#include <string.h>
3#include <sys/time.h>
5c4e1dbc 4#include <sys/stat.h>
3c39a379
JA		 5#include <math.h>
6
7#include "fio.h"
7c9b1bce 8#include "diskutil.h"
c7c6cb4c 9#include "lib/ieee754.h"
cc372b17 10#include "json.h"
44404c5a 11#include "lib/getrusage.h"
f2a2ce0e 12#include "idletime.h"
0f38bbef 13#include "lib/pow2.h"
a666cab8 14#include "lib/output_buffer.h"
a39fb9ea 15#include "helper_thread.h"
90d2d53f 16#include "smalloc.h"
fd5d733f 17#include "zbd.h"
3c39a379 18
674456bf 19#define LOG_MSEC_SLACK 1
d454a205 20
971caeb1 21struct fio_sem *stat_sem;
cef9175e 22
210dd0fc
JA		 23void clear_rusage_stat(struct thread_data *td)
24{
25 struct thread_stat *ts = &td->ts;
26
27 fio_getrusage(&td->ru_start);
28 ts->usr_time = ts->sys_time = 0;
29 ts->ctx = 0;
30 ts->minf = ts->majf = 0;
31}
32
3c39a379
JA		 33void update_rusage_stat(struct thread_data *td)
34{
756867bd 35 struct thread_stat *ts = &td->ts;
3c39a379 36
44404c5a 37 fio_getrusage(&td->ru_end);
8b6a404c 38 ts->usr_time += mtime_since_tv(&td->ru_start.ru_utime,
c8aaba19 39 &td->ru_end.ru_utime);
8b6a404c 40 ts->sys_time += mtime_since_tv(&td->ru_start.ru_stime,
c8aaba19
JA		 41 &td->ru_end.ru_stime);
42 ts->ctx += td->ru_end.ru_nvcsw + td->ru_end.ru_nivcsw
43 - (td->ru_start.ru_nvcsw + td->ru_start.ru_nivcsw);
44 ts->minf += td->ru_end.ru_minflt - td->ru_start.ru_minflt;
45 ts->majf += td->ru_end.ru_majflt - td->ru_start.ru_majflt;
5ec10eaa 46
c8aaba19 47 memcpy(&td->ru_start, &td->ru_end, sizeof(td->ru_end));
3c39a379
JA		 48}
49
83349190
YH		 50/*
51 * Given a latency, return the index of the corresponding bucket in
52 * the structure tracking percentiles.
53 *
54 * (1) find the group (and error bits) that the value (latency)
55 * belongs to by looking at its MSB. (2) find the bucket number in the
56 * group by looking at the index bits.
57 *
58 */
d6bb626e 59static unsigned int plat_val_to_idx(unsigned long long val)
83349190
YH		 60{
61 unsigned int msb, error_bits, base, offset, idx;
62
63 /* Find MSB starting from bit 0 */
64 if (val == 0)
65 msb = 0;
66 else
d6bb626e 67 msb = (sizeof(val)*8) - __builtin_clzll(val) - 1;
83349190 68
716050f2
JA		 69 /*
70 * MSB <= (FIO_IO_U_PLAT_BITS-1), cannot be rounded off. Use
71 * all bits of the sample as index
72 */
83349190
YH		 73 if (msb <= FIO_IO_U_PLAT_BITS)
74 return val;
75
76 /* Compute the number of error bits to discard*/
77 error_bits = msb - FIO_IO_U_PLAT_BITS;
78
79 /* Compute the number of buckets before the group */
80 base = (error_bits + 1) << FIO_IO_U_PLAT_BITS;
81
716050f2
JA		 82 /*
83 * Discard the error bits and apply the mask to find the
3c3ed070 84 * index for the buckets in the group
716050f2 85 */
83349190
YH		 86 offset = (FIO_IO_U_PLAT_VAL - 1) & (val >> error_bits);
87
88 /* Make sure the index does not exceed (array size - 1) */
3c3ed070 89 idx = (base + offset) < (FIO_IO_U_PLAT_NR - 1) ?
83349190
YH		 90 (base + offset) : (FIO_IO_U_PLAT_NR - 1);
91
92 return idx;
93}
94
95/*
96 * Convert the given index of the bucket array to the value
97 * represented by the bucket
98 */
129e4193 99static unsigned long long plat_idx_to_val(unsigned int idx)
83349190 100{
c8b44cfa
RL		 101 unsigned int error_bits;
102 unsigned long long k, base;
83349190
YH		 103
104 assert(idx < FIO_IO_U_PLAT_NR);
105
106 /* MSB <= (FIO_IO_U_PLAT_BITS-1), cannot be rounded off. Use
107 * all bits of the sample as index */
3c3ed070 108 if (idx < (FIO_IO_U_PLAT_VAL << 1))
83349190
YH		 109 return idx;
110
111 /* Find the group and compute the minimum value of that group */
3c3ed070 112 error_bits = (idx >> FIO_IO_U_PLAT_BITS) - 1;
c8b44cfa 113 base = ((unsigned long long) 1) << (error_bits + FIO_IO_U_PLAT_BITS);
83349190
YH		 114
115 /* Find its bucket number of the group */
116 k = idx % FIO_IO_U_PLAT_VAL;
117
118 /* Return the mean of the range of the bucket */
119 return base + ((k + 0.5) * (1 << error_bits));
120}
121
122static int double_cmp(const void *a, const void *b)
123{
802ad4a8
JA		 124 const fio_fp64_t fa = *(const fio_fp64_t *) a;
125 const fio_fp64_t fb = *(const fio_fp64_t *) b;
83349190
YH		 126 int cmp = 0;
127
802ad4a8 128 if (fa.u.f > fb.u.f)
83349190 129 cmp = 1;
802ad4a8 130 else if (fa.u.f < fb.u.f)
83349190
YH		 131 cmp = -1;
132
133 return cmp;
134}
135
6cc0e5aa 136unsigned int calc_clat_percentiles(uint64_t *io_u_plat, unsigned long long nr,
d6bb626e
VF		 137 fio_fp64_t *plist, unsigned long long **output,
138 unsigned long long *maxv, unsigned long long *minv)
83349190 139{
447b94e1 140 unsigned long long sum = 0;
1db92cb6
JA		 141 unsigned int len, i, j = 0;
142 unsigned int oval_len = 0;
d6bb626e 143 unsigned long long *ovals = NULL;
8985b491 144 bool is_last;
1db92cb6 145
d6bb626e 146 *minv = -1ULL;
1db92cb6 147 *maxv = 0;
83349190 148
802ad4a8
JA		 149 len = 0;
150 while (len < FIO_IO_U_LIST_MAX_LEN && plist[len].u.f != 0.0)
151 len++;
716050f2 152
351de8de 153 if (!len)
1db92cb6 154 return 0;
351de8de 155
716050f2 156 /*
802ad4a8
JA		 157 * Sort the percentile list. Note that it may already be sorted if
158 * we are using the default values, but since it's a short list this
159 * isn't a worry. Also note that this does not work for NaN values.
716050f2 160 */
802ad4a8 161 if (len > 1)
3c3ed070 162 qsort((void *)plist, len, sizeof(plist[0]), double_cmp);
83349190 163
4f6f8298
JA		 164 /*
165 * Calculate bucket values, note down max and min values
166 */
8985b491 167 is_last = false;
07511a63 168 for (i = 0; i < FIO_IO_U_PLAT_NR && !is_last; i++) {
83349190 169 sum += io_u_plat[i];
802ad4a8
JA		 170 while (sum >= (plist[j].u.f / 100.0 * nr)) {
171 assert(plist[j].u.f <= 100.0);
83349190 172
4f6f8298
JA		 173 if (j == oval_len) {
174 oval_len += 100;
d6bb626e 175 ovals = realloc(ovals, oval_len * sizeof(*ovals));
4f6f8298
JA		 176 }
177
178 ovals[j] = plat_idx_to_val(i);
1db92cb6
JA		 179 if (ovals[j] < *minv)
180 *minv = ovals[j];
181 if (ovals[j] > *maxv)
182 *maxv = ovals[j];
07511a63 183
8985b491 184 is_last = (j == len - 1) != 0;
07511a63
JA		 185 if (is_last)
186 break;
187
4f6f8298
JA		 188 j++;
189 }
190 }
83349190 191
1db92cb6
JA		 192 *output = ovals;
193 return len;
194}
195
196/*
197 * Find and display the p-th percentile of clat
198 */
6cc0e5aa 199static void show_clat_percentiles(uint64_t *io_u_plat, unsigned long long nr,
a666cab8 200 fio_fp64_t *plist, unsigned int precision,
b2b3eefe 201 const char *pre, struct buf_output *out)
1db92cb6 202{
d6bb626e
VF		 203 unsigned int divisor, len, i, j = 0;
204 unsigned long long minv, maxv;
205 unsigned long long *ovals;
8985b491 206 int per_line, scale_down, time_width;
8985b491 207 bool is_last;
eef02441 208 char fmt[32];
1db92cb6
JA		 209
210 len = calc_clat_percentiles(io_u_plat, nr, plist, &ovals, &maxv, &minv);
b2b3eefe 211 if (!len || !ovals)
1db92cb6
JA		 212 goto out;
213
4f6f8298 214 /*
d6bb626e
VF		 215 * We default to nsecs, but if the value range is such that we
216 * should scale down to usecs or msecs, do that.
4f6f8298 217 */
d6bb626e
VF		 218 if (minv > 2000000 && maxv > 99999999ULL) {
219 scale_down = 2;
220 divisor = 1000000;
b599759b 221 log_buf(out, " %s percentiles (msec):\n |", pre);
d6bb626e
VF		 222 } else if (minv > 2000 && maxv > 99999) {
223 scale_down = 1;
224 divisor = 1000;
b599759b 225 log_buf(out, " %s percentiles (usec):\n |", pre);
4f6f8298
JA		 226 } else {
227 scale_down = 0;
d6bb626e 228 divisor = 1;
b599759b 229 log_buf(out, " %s percentiles (nsec):\n |", pre);
4f6f8298 230 }
83349190 231
619adf9c 232
d6bb626e 233 time_width = max(5, (int) (log10(maxv / divisor) + 1));
74558486
JA		 234 snprintf(fmt, sizeof(fmt), " %%%u.%ufth=[%%%dllu]%%c", precision + 3,
235 precision, time_width);
236 /* fmt will be something like " %5.2fth=[%4llu]%c" */
d6bb626e 237 per_line = (80 - 7) / (precision + 10 + time_width);
81ab0b3a 238
d6bb626e 239 for (j = 0; j < len; j++) {
4f6f8298 240 /* for formatting */
eef02441 241 if (j != 0 && (j % per_line) == 0)
a666cab8 242 log_buf(out, " |");
83349190 243
4f6f8298 244 /* end of the list */
8985b491 245 is_last = (j == len - 1) != 0;
83349190 246
d6bb626e 247 for (i = 0; i < scale_down; i++)
4f6f8298
JA		 248 ovals[j] = (ovals[j] + 999) / 1000;
249
d6bb626e 250 log_buf(out, fmt, plist[j].u.f, ovals[j], is_last ? '\n' : ',');
4f6f8298
JA		 251
252 if (is_last)
253 break;
254
eef02441 255 if ((j % per_line) == per_line - 1) /* for formatting */
a666cab8 256 log_buf(out, "\n");
83349190 257 }
4f6f8298 258
1db92cb6 259out:
4f6f8298
JA		 260 if (ovals)
261 free(ovals);
83349190
YH		 262}
263
74558486
JA		 264bool calc_lat(struct io_stat *is, unsigned long long *min,
265 unsigned long long *max, double *mean, double *dev)
3c39a379 266{
ee0ccb79 267 double n = (double) is->samples;
3c39a379 268
ee0ccb79 269 if (n == 0)
8aa89d70 270 return false;
3c39a379
JA		 271
272 *min = is->min_val;
273 *max = is->max_val;
802ad4a8 274 *mean = is->mean.u.f;
e6d276f2 275
68704084 276 if (n > 1.0)
802ad4a8 277 *dev = sqrt(is->S.u.f / (n - 1.0));
ef9c5c40 278 else
4b43f54e 279 *dev = 0;
ef9c5c40 280
8aa89d70 281 return true;
3c39a379
JA		 282}
283
a666cab8 284void show_group_stats(struct group_run_stats *rs, struct buf_output *out)
3c39a379 285{
d694a6a7
RE		 286 char *io, *agg, *min, *max;
287 char *ioalt, *aggalt, *minalt, *maxalt;
42da5c8b 288 const char *str[] = { " READ", " WRITE" , " TRIM"};
dbe1125e
JA		 289 int i;
290
a666cab8 291 log_buf(out, "\nRun status group %d (all jobs):\n", rs->groupid);
3c39a379 292
6eaf09d6 293 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
90fef2d1
JA		 294 const int i2p = is_power_of_2(rs->kb_base);
295
dbe1125e
JA		 296 if (!rs->max_run[i])
297 continue;
298
e883cb35
JF		 299 io = num2str(rs->iobytes[i], rs->sig_figs, 1, i2p, N2S_BYTE);
300 ioalt = num2str(rs->iobytes[i], rs->sig_figs, 1, !i2p, N2S_BYTE);
301 agg = num2str(rs->agg[i], rs->sig_figs, 1, i2p, rs->unit_base);
302 aggalt = num2str(rs->agg[i], rs->sig_figs, 1, !i2p, rs->unit_base);
303 min = num2str(rs->min_bw[i], rs->sig_figs, 1, i2p, rs->unit_base);
304 minalt = num2str(rs->min_bw[i], rs->sig_figs, 1, !i2p, rs->unit_base);
305 max = num2str(rs->max_bw[i], rs->sig_figs, 1, i2p, rs->unit_base);
306 maxalt = num2str(rs->max_bw[i], rs->sig_figs, 1, !i2p, rs->unit_base);
d694a6a7 307 log_buf(out, "%s: bw=%s (%s), %s-%s (%s-%s), io=%s (%s), run=%llu-%llumsec\n",
42da5c8b 308 rs->unified_rw_rep ? " MIXED" : str[i],
d694a6a7 309 agg, aggalt, min, max, minalt, maxalt, io, ioalt,
4e0a8fa2
JA		 310 (unsigned long long) rs->min_run[i],
311 (unsigned long long) rs->max_run[i]);
dbe1125e 312
d694a6a7
RE		 313 free(io);
314 free(agg);
315 free(min);
316 free(max);
317 free(ioalt);
318 free(aggalt);
319 free(minalt);
320 free(maxalt);
dbe1125e 321 }
3c39a379
JA		 322}
323
6cc0e5aa 324void stat_calc_dist(uint64_t *map, unsigned long total, double *io_u_dist)
2270890c
JA		 325{
326 int i;
327
328 /*
329 * Do depth distribution calculations
330 */
331 for (i = 0; i < FIO_IO_U_MAP_NR; i++) {
838bc709
JA		 332 if (total) {
333 io_u_dist[i] = (double) map[i] / (double) total;
334 io_u_dist[i] *= 100.0;
335 if (io_u_dist[i] < 0.1 && map[i])
336 io_u_dist[i] = 0.1;
337 } else
338 io_u_dist[i] = 0.0;
2270890c
JA		 339 }
340}
341
04a0feae 342static void stat_calc_lat(struct thread_stat *ts, double *dst,
6cc0e5aa 343 uint64_t *src, int nr)
2270890c 344{
d79db122 345 unsigned long total = ddir_rw_sum(ts->total_io_u);
2270890c
JA		 346 int i;
347
348 /*
349 * Do latency distribution calculations
350 */
04a0feae 351 for (i = 0; i < nr; i++) {
838bc709
JA		 352 if (total) {
353 dst[i] = (double) src[i] / (double) total;
354 dst[i] *= 100.0;
355 if (dst[i] < 0.01 && src[i])
356 dst[i] = 0.01;
357 } else
358 dst[i] = 0.0;
2270890c
JA		 359 }
360}
361
247823cc
VF		 362/*
363 * To keep the terse format unaltered, add all of the ns latency
364 * buckets to the first us latency bucket
365 */
52e4c651 366static void stat_calc_lat_nu(struct thread_stat *ts, double *io_u_lat_u)
247823cc
VF		 367{
368 unsigned long ntotal = 0, total = ddir_rw_sum(ts->total_io_u);
369 int i;
370
371 stat_calc_lat(ts, io_u_lat_u, ts->io_u_lat_u, FIO_IO_U_LAT_U_NR);
372
373 for (i = 0; i < FIO_IO_U_LAT_N_NR; i++)
374 ntotal += ts->io_u_lat_n[i];
375
376 io_u_lat_u[0] += 100.0 * (double) ntotal / (double) total;
377}
378
d6bb626e
VF		 379void stat_calc_lat_n(struct thread_stat *ts, double *io_u_lat)
380{
381 stat_calc_lat(ts, io_u_lat, ts->io_u_lat_n, FIO_IO_U_LAT_N_NR);
382}
383
e5bd1347 384void stat_calc_lat_u(struct thread_stat *ts, double *io_u_lat)
04a0feae
JA		 385{
386 stat_calc_lat(ts, io_u_lat, ts->io_u_lat_u, FIO_IO_U_LAT_U_NR);
387}
388
e5bd1347 389void stat_calc_lat_m(struct thread_stat *ts, double *io_u_lat)
04a0feae
JA		 390{
391 stat_calc_lat(ts, io_u_lat, ts->io_u_lat_m, FIO_IO_U_LAT_M_NR);
392}
393
74558486
JA		 394static void display_lat(const char *name, unsigned long long min,
395 unsigned long long max, double mean, double dev,
396 struct buf_output *out)
ea2accc5 397{
d6bb626e 398 const char *base = "(nsec)";
b29ad562 399 char *minp, *maxp;
ea2accc5 400
d6bb626e 401 if (nsec_to_msec(&min, &max, &mean, &dev))
b29ad562 402 base = "(msec)";
d6bb626e
VF		 403 else if (nsec_to_usec(&min, &max, &mean, &dev))
404 base = "(usec)";
b29ad562 405
d694a6a7
RE		 406 minp = num2str(min, 6, 1, 0, N2S_NONE);
407 maxp = num2str(max, 6, 1, 0, N2S_NONE);
b29ad562 408
a666cab8 409 log_buf(out, " %s %s: min=%s, max=%s, avg=%5.02f,"
b29ad562
JA		 410 " stdev=%5.02f\n", name, base, minp, maxp, mean, dev);
411
412 free(minp);
413 free(maxp);
ea2accc5
JA		 414}
415
756867bd 416static void show_ddir_status(struct group_run_stats *rs, struct thread_stat *ts,
a666cab8 417 int ddir, struct buf_output *out)
3c39a379 418{
b2b3eefe 419 const char *str[] = { " read", "write", " trim", "sync" };
d6bb626e
VF		 420 unsigned long runt;
421 unsigned long long min, max, bw, iops;
3c39a379 422 double mean, dev;
fd5d733f 423 char *io_p, *bw_p, *bw_p_alt, *iops_p, *zbd_w_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");
429 display_lat(str[ddir], min, max, mean, dev, out);
430 show_clat_percentiles(ts->io_u_sync_plat,
431 ts->sync_stat.samples,
432 ts->percentile_list,
433 ts->percentile_precision,
434 str[ddir], out);
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
BVA		 454 if (ddir == DDIR_WRITE)
455 zbd_w_st = zbd_write_status(ts);
dbe1125e 456
fd5d733f 457 log_buf(out, " %s: IOPS=%s, BW=%s (%s)(%s/%llumsec)%s\n",
d694a6a7
RE		 458 rs->unified_rw_rep ? "mixed" : str[ddir],
459 iops_p, bw_p, bw_p_alt, io_p,
fd5d733f
BVA		 460 (unsigned long long) ts->runtime[ddir],
461 zbd_w_st ? : "");
dbe1125e 462
fd5d733f 463 free(zbd_w_st);
dbe1125e
JA		 464 free(io_p);
465 free(bw_p);
d694a6a7 466 free(bw_p_alt);
b3605062 467 free(iops_p);
3c39a379 468
b29ad562 469 if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev))
a666cab8 470 display_lat("slat", min, max, mean, dev, out);
b29ad562 471 if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev))
a666cab8 472 display_lat("clat", min, max, mean, dev, out);
b29ad562 473 if (calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev))
a666cab8 474 display_lat(" lat", min, max, mean, dev, out);
02af0988 475
b599759b 476 if (ts->clat_percentiles || ts->lat_percentiles) {
b2b3eefe 477 const char *name = ts->clat_percentiles ? "clat" : " lat";
af1600c1
SW		 478 uint64_t samples;
479
480 if (ts->clat_percentiles)
481 samples = ts->clat_stat[ddir].samples;
482 else
483 samples = ts->lat_stat[ddir].samples;
484
83349190 485 show_clat_percentiles(ts->io_u_plat[ddir],
af1600c1 486 samples,
435d195a 487 ts->percentile_list,
b2b3eefe 488 ts->percentile_precision, name, out);
83349190 489 }
079ad09b 490 if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) {
142c7f2d 491 double p_of_agg = 100.0, fkb_base = (double)rs->kb_base;
d694a6a7
RE		 492 const char *bw_str;
493
494 if ((rs->unit_base == 1) && i2p)
495 bw_str = "Kibit";
496 else if (rs->unit_base == 1)
497 bw_str = "kbit";
498 else if (i2p)
499 bw_str = "KiB";
500 else
501 bw_str = "kB";
d686990a 502
d1707474
SW		 503 if (rs->agg[ddir]) {
504 p_of_agg = mean * 100 / (double) (rs->agg[ddir] / 1024);
505 if (p_of_agg > 100.0)
506 p_of_agg = 100.0;
507 }
508
d686990a
SN		 509 if (rs->unit_base == 1) {
510 min *= 8.0;
511 max *= 8.0;
512 mean *= 8.0;
513 dev *= 8.0;
514 }
3c39a379 515
142c7f2d
SN		 516 if (mean > fkb_base * fkb_base) {
517 min /= fkb_base;
518 max /= fkb_base;
519 mean /= fkb_base;
520 dev /= fkb_base;
d694a6a7 521 bw_str = (rs->unit_base == 1 ? "Mibit" : "MiB");
b7017e32
JA		 522 }
523
54c05828 524 log_buf(out, " bw (%5s/s): min=%5llu, max=%5llu, per=%3.2f%%, "
29eb371b 525 "avg=%5.02f, stdev=%5.02f, samples=%" PRIu64 "\n",
54c05828
AH		 526 bw_str, min, max, p_of_agg, mean, dev,
527 (&ts->bw_stat[ddir])->samples);
3c39a379 528 }
188b6016 529 if (calc_lat(&ts->iops_stat[ddir], &min, &max, &mean, &dev)) {
21ba6606 530 log_buf(out, " iops : min=%5llu, max=%5llu, "
29eb371b 531 "avg=%5.02f, stdev=%5.02f, samples=%" PRIu64 "\n",
54c05828 532 min, max, mean, dev, (&ts->iops_stat[ddir])->samples);
188b6016 533 }
3c39a379
JA		 534}
535
8985b491
JA		 536static bool show_lat(double *io_u_lat, int nr, const char **ranges,
537 const char *msg, struct buf_output *out)
04a0feae 538{
8985b491
JA		 539 bool new_line = true, shown = false;
540 int i, line = 0;
04a0feae
JA		 541
542 for (i = 0; i < nr; i++) {
543 if (io_u_lat[i] <= 0.0)
544 continue;
8985b491 545 shown = true;
04a0feae 546 if (new_line) {
4539ed73 547 if (line)
a666cab8 548 log_buf(out, "\n");
4a19fcaa 549 log_buf(out, " lat (%s) : ", msg);
8985b491 550 new_line = false;
04a0feae
JA		 551 line = 0;
552 }
553 if (line)
a666cab8
JA		 554 log_buf(out, ", ");
555 log_buf(out, "%s%3.2f%%", ranges[i], io_u_lat[i]);
04a0feae
JA		 556 line++;
557 if (line == 5)
8985b491 558 new_line = true;
04a0feae 559 }
7e1773ba
JA		 560
561 if (shown)
a666cab8 562 log_buf(out, "\n");
7e1773ba 563
8985b491 564 return true;
04a0feae
JA		 565}
566
d6bb626e
VF		 567static void show_lat_n(double *io_u_lat_n, struct buf_output *out)
568{
569 const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=",
570 "250=", "500=", "750=", "1000=", };
571
572 show_lat(io_u_lat_n, FIO_IO_U_LAT_N_NR, ranges, "nsec", out);
573}
574
a666cab8 575static void show_lat_u(double *io_u_lat_u, struct buf_output *out)
04a0feae
JA		 576{
577 const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=",
578 "250=", "500=", "750=", "1000=", };
579
a666cab8 580 show_lat(io_u_lat_u, FIO_IO_U_LAT_U_NR, ranges, "usec", out);
04a0feae
JA		 581}
582
a666cab8 583static void show_lat_m(double *io_u_lat_m, struct buf_output *out)
04a0feae
JA		 584{
585 const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=",
586 "250=", "500=", "750=", "1000=", "2000=",
587 ">=2000=", };
588
a666cab8 589 show_lat(io_u_lat_m, FIO_IO_U_LAT_M_NR, ranges, "msec", out);
04a0feae
JA		 590}
591
a666cab8 592static void show_latencies(struct thread_stat *ts, struct buf_output *out)
04a0feae 593{
d6bb626e 594 double io_u_lat_n[FIO_IO_U_LAT_N_NR];
c551f65a
JA		 595 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
596 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
597
d6bb626e 598 stat_calc_lat_n(ts, io_u_lat_n);
5a18988e
JA		 599 stat_calc_lat_u(ts, io_u_lat_u);
600 stat_calc_lat_m(ts, io_u_lat_m);
601
d6bb626e 602 show_lat_n(io_u_lat_n, out);
a666cab8
JA		 603 show_lat_u(io_u_lat_u, out);
604 show_lat_m(io_u_lat_m, out);
04a0feae
JA		 605}
606
66347cfa
DE		 607static int block_state_category(int block_state)
608{
609 switch (block_state) {
610 case BLOCK_STATE_UNINIT:
611 return 0;
612 case BLOCK_STATE_TRIMMED:
613 case BLOCK_STATE_WRITTEN:
614 return 1;
615 case BLOCK_STATE_WRITE_FAILURE:
616 case BLOCK_STATE_TRIM_FAILURE:
617 return 2;
618 default:
081c2dc3 619 /* Silence compile warning on some BSDs and have a return */
66347cfa 620 assert(0);
07ff5841 621 return -1;
66347cfa
DE		 622 }
623}
624
625static int compare_block_infos(const void *bs1, const void *bs2)
626{
5fff9543
JF		 627 uint64_t block1 = *(uint64_t *)bs1;
628 uint64_t block2 = *(uint64_t *)bs2;
66347cfa
DE		 629 int state1 = BLOCK_INFO_STATE(block1);
630 int state2 = BLOCK_INFO_STATE(block2);
631 int bscat1 = block_state_category(state1);
632 int bscat2 = block_state_category(state2);
633 int cycles1 = BLOCK_INFO_TRIMS(block1);
634 int cycles2 = BLOCK_INFO_TRIMS(block2);
635
636 if (bscat1 < bscat2)
637 return -1;
638 if (bscat1 > bscat2)
639 return 1;
640
641 if (cycles1 < cycles2)
642 return -1;
643 if (cycles1 > cycles2)
644 return 1;
645
646 if (state1 < state2)
647 return -1;
648 if (state1 > state2)
649 return 1;
650
651 assert(block1 == block2);
652 return 0;
653}
654
655static int calc_block_percentiles(int nr_block_infos, uint32_t *block_infos,
656 fio_fp64_t *plist, unsigned int **percentiles,
657 unsigned int *types)
658{
659 int len = 0;
660 int i, nr_uninit;
661
662 qsort(block_infos, nr_block_infos, sizeof(uint32_t), compare_block_infos);
663
664 while (len < FIO_IO_U_LIST_MAX_LEN && plist[len].u.f != 0.0)
665 len++;
666
667 if (!len)
668 return 0;
669
670 /*
671 * Sort the percentile list. Note that it may already be sorted if
672 * we are using the default values, but since it's a short list this
673 * isn't a worry. Also note that this does not work for NaN values.
674 */
675 if (len > 1)
676 qsort((void *)plist, len, sizeof(plist[0]), double_cmp);
677
66347cfa
DE		 678 /* Start only after the uninit entries end */
679 for (nr_uninit = 0;
680 nr_uninit < nr_block_infos
681 && BLOCK_INFO_STATE(block_infos[nr_uninit]) == BLOCK_STATE_UNINIT;
682 nr_uninit ++)
683 ;
684
685 if (nr_uninit == nr_block_infos)
686 return 0;
687
688 *percentiles = calloc(len, sizeof(**percentiles));
689
690 for (i = 0; i < len; i++) {
691 int idx = (plist[i].u.f * (nr_block_infos - nr_uninit) / 100)
692 + nr_uninit;
693 (*percentiles)[i] = BLOCK_INFO_TRIMS(block_infos[idx]);
694 }
695
696 memset(types, 0, sizeof(*types) * BLOCK_STATE_COUNT);
697 for (i = 0; i < nr_block_infos; i++)
698 types[BLOCK_INFO_STATE(block_infos[i])]++;
699
700 return len;
701}
702
703static const char *block_state_names[] = {
704 [BLOCK_STATE_UNINIT] = "unwritten",
705 [BLOCK_STATE_TRIMMED] = "trimmed",
706 [BLOCK_STATE_WRITTEN] = "written",
707 [BLOCK_STATE_TRIM_FAILURE] = "trim failure",
708 [BLOCK_STATE_WRITE_FAILURE] = "write failure",
709};
710
711static void show_block_infos(int nr_block_infos, uint32_t *block_infos,
a666cab8 712 fio_fp64_t *plist, struct buf_output *out)
66347cfa
DE		 713{
714 int len, pos, i;
715 unsigned int *percentiles = NULL;
716 unsigned int block_state_counts[BLOCK_STATE_COUNT];
717
718 len = calc_block_percentiles(nr_block_infos, block_infos, plist,
719 &percentiles, block_state_counts);
720
a666cab8 721 log_buf(out, " block lifetime percentiles :\n |");
66347cfa
DE		 722 pos = 0;
723 for (i = 0; i < len; i++) {
724 uint32_t block_info = percentiles[i];
725#define LINE_LENGTH 75
726 char str[LINE_LENGTH];
727 int strln = snprintf(str, LINE_LENGTH, " %3.2fth=%u%c",
728 plist[i].u.f, block_info,
729 i == len - 1 ? '\n' : ',');
730 assert(strln < LINE_LENGTH);
731 if (pos + strln > LINE_LENGTH) {
732 pos = 0;
a666cab8 733 log_buf(out, "\n |");
66347cfa 734 }
a666cab8 735 log_buf(out, "%s", str);
66347cfa
DE		 736 pos += strln;
737#undef LINE_LENGTH
738 }
739 if (percentiles)
740 free(percentiles);
741
a666cab8 742 log_buf(out, " states :");
66347cfa 743 for (i = 0; i < BLOCK_STATE_COUNT; i++)
a666cab8 744 log_buf(out, " %s=%u%c",
66347cfa
DE		 745 block_state_names[i], block_state_counts[i],
746 i == BLOCK_STATE_COUNT - 1 ? '\n' : ',');
747}
748
d685adfb
VF		 749static void show_ss_normal(struct thread_stat *ts, struct buf_output *out)
750{
d694a6a7 751 char *p1, *p1alt, *p2;
d685adfb
VF		 752 unsigned long long bw_mean, iops_mean;
753 const int i2p = is_power_of_2(ts->kb_base);
754
0c13c969 755 if (!ts->ss_dur)
d685adfb
VF		 756 return;
757
bb49c8bd
VF		 758 bw_mean = steadystate_bw_mean(ts);
759 iops_mean = steadystate_iops_mean(ts);
d685adfb 760
e883cb35
JF		 761 p1 = num2str(bw_mean / ts->kb_base, ts->sig_figs, ts->kb_base, i2p, ts->unit_base);
762 p1alt = num2str(bw_mean / ts->kb_base, ts->sig_figs, ts->kb_base, !i2p, ts->unit_base);
763 p2 = num2str(iops_mean, ts->sig_figs, 1, 0, N2S_NONE);
d685adfb 764
d694a6a7 765 log_buf(out, " steadystate : attained=%s, bw=%s (%s), iops=%s, %s%s=%.3f%s\n",
c8caba48 766 ts->ss_state & FIO_SS_ATTAINED ? "yes" : "no",
d694a6a7 767 p1, p1alt, p2,
c8caba48
JA		 768 ts->ss_state & FIO_SS_IOPS ? "iops" : "bw",
769 ts->ss_state & FIO_SS_SLOPE ? " slope": " mean dev",
bb49c8bd 770 ts->ss_criterion.u.f,
c8caba48 771 ts->ss_state & FIO_SS_PCT ? "%" : "");
d685adfb
VF		 772
773 free(p1);
d694a6a7 774 free(p1alt);
d685adfb
VF		 775 free(p2);
776}
777
10aa136b 778static void show_thread_status_normal(struct thread_stat *ts,
a666cab8
JA		 779 struct group_run_stats *rs,
780 struct buf_output *out)
3c39a379
JA		 781{
782 double usr_cpu, sys_cpu;
69008999 783 unsigned long runtime;
71619dc2 784 double io_u_dist[FIO_IO_U_MAP_NR];
57a64324 785 time_t time_p;
35326842 786 char time_buf[32];
3c39a379 787
9966af7b 788 if (!ddir_rw_sum(ts->io_bytes) && !ddir_rw_sum(ts->total_io_u))
3c39a379 789 return;
33477b4b
JS		 790
791 memset(time_buf, 0, sizeof(time_buf));
3c39a379 792
57a64324 793 time(&time_p);
45054cbe 794 os_ctime_r((const time_t *) &time_p, time_buf, sizeof(time_buf));
57a64324 795
5ec10eaa 796 if (!ts->error) {
a666cab8 797 log_buf(out, "%s: (groupid=%d, jobs=%d): err=%2d: pid=%d: %s",
5ec10eaa 798 ts->name, ts->groupid, ts->members,
57a64324 799 ts->error, (int) ts->pid, time_buf);
5ec10eaa 800 } else {
a666cab8 801 log_buf(out, "%s: (groupid=%d, jobs=%d): err=%2d (%s): pid=%d: %s",
5ec10eaa 802 ts->name, ts->groupid, ts->members,
57a64324
JA		 803 ts->error, ts->verror, (int) ts->pid,
804 time_buf);
5ec10eaa 805 }
3c39a379 806
259e47de 807 if (strlen(ts->description))
a666cab8 808 log_buf(out, " Description : [%s]\n", ts->description);
7bdce1bd 809
756867bd 810 if (ts->io_bytes[DDIR_READ])
a666cab8 811 show_ddir_status(rs, ts, DDIR_READ, out);
756867bd 812 if (ts->io_bytes[DDIR_WRITE])
a666cab8 813 show_ddir_status(rs, ts, DDIR_WRITE, out);
6eaf09d6 814 if (ts->io_bytes[DDIR_TRIM])
a666cab8 815 show_ddir_status(rs, ts, DDIR_TRIM, out);
3c39a379 816
a666cab8 817 show_latencies(ts, out);
7e1773ba 818
b2b3eefe
JA		 819 if (ts->sync_stat.samples)
820 show_ddir_status(rs, ts, DDIR_SYNC, out);
821
756867bd 822 runtime = ts->total_run_time;
69008999 823 if (runtime) {
1e97cce9 824 double runt = (double) runtime;
3c39a379 825
756867bd
JA		 826 usr_cpu = (double) ts->usr_time * 100 / runt;
827 sys_cpu = (double) ts->sys_time * 100 / runt;
3c39a379
JA		 828 } else {
829 usr_cpu = 0;
830 sys_cpu = 0;
831 }
832
a666cab8 833 log_buf(out, " cpu : usr=%3.2f%%, sys=%3.2f%%, ctx=%llu,"
4e0a8fa2
JA		 834 " majf=%llu, minf=%llu\n", usr_cpu, sys_cpu,
835 (unsigned long long) ts->ctx,
836 (unsigned long long) ts->majf,
837 (unsigned long long) ts->minf);
71619dc2 838
d79db122 839 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
a666cab8 840 log_buf(out, " IO depths : 1=%3.1f%%, 2=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%,"
5ec10eaa
JA		 841 " 16=%3.1f%%, 32=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0],
842 io_u_dist[1], io_u_dist[2],
843 io_u_dist[3], io_u_dist[4],
844 io_u_dist[5], io_u_dist[6]);
838bc709
JA		 845
846 stat_calc_dist(ts->io_u_submit, ts->total_submit, io_u_dist);
a666cab8 847 log_buf(out, " submit : 0=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%, 16=%3.1f%%,"
838bc709
JA		 848 " 32=%3.1f%%, 64=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0],
849 io_u_dist[1], io_u_dist[2],
850 io_u_dist[3], io_u_dist[4],
851 io_u_dist[5], io_u_dist[6]);
852 stat_calc_dist(ts->io_u_complete, ts->total_complete, io_u_dist);
a666cab8 853 log_buf(out, " complete : 0=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%, 16=%3.1f%%,"
838bc709
JA		 854 " 32=%3.1f%%, 64=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0],
855 io_u_dist[1], io_u_dist[2],
856 io_u_dist[3], io_u_dist[4],
857 io_u_dist[5], io_u_dist[6]);
7f3ecee2
JA		 858 log_buf(out, " issued rwts: total=%llu,%llu,%llu,%llu"
859 " short=%llu,%llu,%llu,0"
860 " dropped=%llu,%llu,%llu,0\n",
4e0a8fa2
JA		 861 (unsigned long long) ts->total_io_u[0],
862 (unsigned long long) ts->total_io_u[1],
863 (unsigned long long) ts->total_io_u[2],
7f3ecee2 864 (unsigned long long) ts->total_io_u[3],
4e0a8fa2
JA		 865 (unsigned long long) ts->short_io_u[0],
866 (unsigned long long) ts->short_io_u[1],
3bcb9d94
JA		 867 (unsigned long long) ts->short_io_u[2],
868 (unsigned long long) ts->drop_io_u[0],
869 (unsigned long long) ts->drop_io_u[1],
870 (unsigned long long) ts->drop_io_u[2]);
f2bba182 871 if (ts->continue_on_error) {
a666cab8 872 log_buf(out, " errors : total=%llu, first_error=%d/<%s>\n",
4e0a8fa2 873 (unsigned long long)ts->total_err_count,
1ec99eea
JA		 874 ts->first_error,
875 strerror(ts->first_error));
f2bba182 876 }
3e260a46 877 if (ts->latency_depth) {
a666cab8 878 log_buf(out, " latency : target=%llu, window=%llu, percentile=%.2f%%, depth=%u\n",
3e260a46
JA		 879 (unsigned long long)ts->latency_target,
880 (unsigned long long)ts->latency_window,
881 ts->latency_percentile.u.f,
882 ts->latency_depth);
883 }
66347cfa
DE		 884
885 if (ts->nr_block_infos)
886 show_block_infos(ts->nr_block_infos, ts->block_infos,
a666cab8 887 ts->percentile_list, out);
d685adfb 888
bb49c8bd 889 if (ts->ss_dur)
d685adfb 890 show_ss_normal(ts, out);
3c39a379
JA		 891}
892
756867bd 893static void show_ddir_status_terse(struct thread_stat *ts,
a666cab8 894 struct group_run_stats *rs, int ddir,
a2c95580 895 int ver, struct buf_output *out)
c6ae0a5b 896{
d6bb626e
VF		 897 unsigned long long min, max, minv, maxv, bw, iops;
898 unsigned long long *ovals = NULL;
c6ae0a5b 899 double mean, dev;
d6bb626e 900 unsigned int len;
a2c95580 901 int i, bw_stat;
c6ae0a5b 902
ff58fced
JA		 903 assert(ddir_rw(ddir));
904
312b4af2
JA		 905 iops = bw = 0;
906 if (ts->runtime[ddir]) {
907 uint64_t runt = ts->runtime[ddir];
908
420b104a 909 bw = ((1000 * ts->io_bytes[ddir]) / runt) / 1024; /* KiB/s */
312b4af2
JA		 910 iops = (1000 * (uint64_t) ts->total_io_u[ddir]) / runt;
911 }
c6ae0a5b 912
a666cab8 913 log_buf(out, ";%llu;%llu;%llu;%llu",
4e0a8fa2
JA		 914 (unsigned long long) ts->io_bytes[ddir] >> 10, bw, iops,
915 (unsigned long long) ts->runtime[ddir]);
c6ae0a5b 916
079ad09b 917 if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev))
247823cc 918 log_buf(out, ";%llu;%llu;%f;%f", min/1000, max/1000, mean/1000, dev/1000);
c6ae0a5b 919 else
d6bb626e 920 log_buf(out, ";%llu;%llu;%f;%f", 0ULL, 0ULL, 0.0, 0.0);
c6ae0a5b 921
079ad09b 922 if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev))
247823cc 923 log_buf(out, ";%llu;%llu;%f;%f", min/1000, max/1000, mean/1000, dev/1000);
c6ae0a5b 924 else
d6bb626e 925 log_buf(out, ";%llu;%llu;%f;%f", 0ULL, 0ULL, 0.0, 0.0);
c6ae0a5b 926
b599759b 927 if (ts->clat_percentiles || ts->lat_percentiles) {
1db92cb6
JA		 928 len = calc_clat_percentiles(ts->io_u_plat[ddir],
929 ts->clat_stat[ddir].samples,
930 ts->percentile_list, &ovals, &maxv,
931 &minv);
932 } else
933 len = 0;
934
935 for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) {
936 if (i >= len) {
a666cab8 937 log_buf(out, ";0%%=0");
1db92cb6
JA		 938 continue;
939 }
247823cc 940 log_buf(out, ";%f%%=%llu", ts->percentile_list[i].u.f, ovals[i]/1000);
1db92cb6 941 }
2341a37a
K		 942
943 if (calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev))
247823cc 944 log_buf(out, ";%llu;%llu;%f;%f", min/1000, max/1000, mean/1000, dev/1000);
2341a37a 945 else
d6bb626e 946 log_buf(out, ";%llu;%llu;%f;%f", 0ULL, 0ULL, 0.0, 0.0);
2341a37a 947
1db92cb6
JA		 948 if (ovals)
949 free(ovals);
950
a2c95580
AH		 951 bw_stat = calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev);
952 if (bw_stat) {
19d3e967
JA		 953 double p_of_agg = 100.0;
954
955 if (rs->agg[ddir]) {
d1707474 956 p_of_agg = mean * 100 / (double) (rs->agg[ddir] / 1024);
19d3e967
JA		 957 if (p_of_agg > 100.0)
958 p_of_agg = 100.0;
959 }
c6ae0a5b 960
d6bb626e 961 log_buf(out, ";%llu;%llu;%f%%;%f;%f", min, max, p_of_agg, mean, dev);
c6ae0a5b 962 } else
d6bb626e 963 log_buf(out, ";%llu;%llu;%f%%;%f;%f", 0ULL, 0ULL, 0.0, 0.0, 0.0);
a2c95580
AH		 964
965 if (ver == 5) {
966 if (bw_stat)
29eb371b 967 log_buf(out, ";%" PRIu64, (&ts->bw_stat[ddir])->samples);
a2c95580
AH		 968 else
969 log_buf(out, ";%lu", 0UL);
970
971 if (calc_lat(&ts->iops_stat[ddir], &min, &max, &mean, &dev))
29eb371b 972 log_buf(out, ";%llu;%llu;%f;%f;%" PRIu64, min, max,
a2c95580
AH		 973 mean, dev, (&ts->iops_stat[ddir])->samples);
974 else
975 log_buf(out, ";%llu;%llu;%f;%f;%lu", 0ULL, 0ULL, 0.0, 0.0, 0UL);
976 }
c6ae0a5b
JA		 977}
978
cc372b17
SL		 979static void add_ddir_status_json(struct thread_stat *ts,
980 struct group_run_stats *rs, int ddir, struct json_object *parent)
981{
d6bb626e 982 unsigned long long min, max, minv, maxv;
aedd021d 983 unsigned long long bw_bytes, bw;
d6bb626e 984 unsigned long long *ovals = NULL;
9f68fe3a 985 double mean, dev, iops;
d6bb626e 986 unsigned int len;
cc372b17 987 int i;
b2b3eefe 988 const char *ddirname[] = { "read", "write", "trim", "sync" };
24cab44e 989 struct json_object *dir_object, *tmp_object, *percentile_object, *clat_bins_object = NULL;
cc372b17
SL		 990 char buf[120];
991 double p_of_agg = 100.0;
992
b2b3eefe 993 assert(ddir_rw(ddir) || ddir_sync(ddir));
cc372b17 994
771e58be
JA		 995 if (ts->unified_rw_rep && ddir != DDIR_READ)
996 return;
997
cc372b17 998 dir_object = json_create_object();
771e58be
JA		 999 json_object_add_value_object(parent,
1000 ts->unified_rw_rep ? "mixed" : ddirname[ddir], dir_object);
cc372b17 1001
b2b3eefe
JA		 1002 if (ddir_rw(ddir)) {
1003 bw_bytes = 0;
1004 bw = 0;
1005 iops = 0.0;
1006 if (ts->runtime[ddir]) {
1007 uint64_t runt = ts->runtime[ddir];
cc372b17 1008
b2b3eefe
JA		 1009 bw_bytes = ((1000 * ts->io_bytes[ddir]) / runt); /* Bytes/s */
1010 bw = bw_bytes / 1024; /* KiB/s */
1011 iops = (1000.0 * (uint64_t) ts->total_io_u[ddir]) / runt;
1012 }
cc372b17 1013
b2b3eefe
JA		 1014 json_object_add_value_int(dir_object, "io_bytes", ts->io_bytes[ddir]);
1015 json_object_add_value_int(dir_object, "io_kbytes", ts->io_bytes[ddir] >> 10);
1016 json_object_add_value_int(dir_object, "bw_bytes", bw_bytes);
1017 json_object_add_value_int(dir_object, "bw", bw);
1018 json_object_add_value_float(dir_object, "iops", iops);
1019 json_object_add_value_int(dir_object, "runtime", ts->runtime[ddir]);
1020 json_object_add_value_int(dir_object, "total_ios", ts->total_io_u[ddir]);
1021 json_object_add_value_int(dir_object, "short_ios", ts->short_io_u[ddir]);
1022 json_object_add_value_int(dir_object, "drop_ios", ts->drop_io_u[ddir]);
1023
1024 if (!calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev)) {
1025 min = max = 0;
1026 mean = dev = 0.0;
1027 }
1028 tmp_object = json_create_object();
1029 json_object_add_value_object(dir_object, "slat_ns", tmp_object);
1030 json_object_add_value_int(tmp_object, "min", min);
1031 json_object_add_value_int(tmp_object, "max", max);
1032 json_object_add_value_float(tmp_object, "mean", mean);
1033 json_object_add_value_float(tmp_object, "stddev", dev);
1034
1035 if (!calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev)) {
1036 min = max = 0;
1037 mean = dev = 0.0;
1038 }
1039 tmp_object = json_create_object();
1040 json_object_add_value_object(dir_object, "clat_ns", tmp_object);
1041 json_object_add_value_int(tmp_object, "min", min);
1042 json_object_add_value_int(tmp_object, "max", max);
1043 json_object_add_value_float(tmp_object, "mean", mean);
1044 json_object_add_value_float(tmp_object, "stddev", dev);
1045 } else {
1046 if (!calc_lat(&ts->sync_stat, &min, &max, &mean, &dev)) {
1047 min = max = 0;
1048 mean = dev = 0.0;
1049 }
cc372b17 1050
b2b3eefe
JA		 1051 tmp_object = json_create_object();
1052 json_object_add_value_object(dir_object, "lat_ns", tmp_object);
f5ec8123 1053 json_object_add_value_int(dir_object, "total_ios", ts->total_io_u[DDIR_SYNC]);
b2b3eefe
JA		 1054 json_object_add_value_int(tmp_object, "min", min);
1055 json_object_add_value_int(tmp_object, "max", max);
1056 json_object_add_value_float(tmp_object, "mean", mean);
1057 json_object_add_value_float(tmp_object, "stddev", dev);
cc372b17 1058 }
cc372b17 1059
b599759b 1060 if (ts->clat_percentiles || ts->lat_percentiles) {
b2b3eefe
JA		 1061 if (ddir_rw(ddir)) {
1062 len = calc_clat_percentiles(ts->io_u_plat[ddir],
cc372b17
SL		 1063 ts->clat_stat[ddir].samples,
1064 ts->percentile_list, &ovals, &maxv,
1065 &minv);
b2b3eefe
JA		 1066 } else {
1067 len = calc_clat_percentiles(ts->io_u_sync_plat,
1068 ts->sync_stat.samples,
1069 ts->percentile_list, &ovals, &maxv,
1070 &minv);
1071 }
1072
702bd977
JA		 1073 if (len > FIO_IO_U_LIST_MAX_LEN)
1074 len = FIO_IO_U_LIST_MAX_LEN;
cc372b17
SL		 1075 } else
1076 len = 0;
1077
1078 percentile_object = json_create_object();
1079 json_object_add_value_object(tmp_object, "percentile", percentile_object);
702bd977 1080 for (i = 0; i < len; i++) {
435d195a 1081 snprintf(buf, sizeof(buf), "%f", ts->percentile_list[i].u.f);
cc372b17
SL		 1082 json_object_add_value_int(percentile_object, (const char *)buf, ovals[i]);
1083 }
1084
513e37ee
VF		 1085 if (output_format & FIO_OUTPUT_JSON_PLUS) {
1086 clat_bins_object = json_create_object();
24cab44e
VF		 1087 if (ts->clat_percentiles)
1088 json_object_add_value_object(tmp_object, "bins", clat_bins_object);
1089
513e37ee 1090 for(i = 0; i < FIO_IO_U_PLAT_NR; i++) {
b2b3eefe
JA		 1091 if (ddir_rw(ddir)) {
1092 if (ts->io_u_plat[ddir][i]) {
1093 snprintf(buf, sizeof(buf), "%llu", plat_idx_to_val(i));
1094 json_object_add_value_int(clat_bins_object, (const char *)buf, ts->io_u_plat[ddir][i]);
1095 }
1096 } else {
1097 if (ts->io_u_sync_plat[i]) {
1098 snprintf(buf, sizeof(buf), "%llu", plat_idx_to_val(i));
1099 json_object_add_value_int(clat_bins_object, (const char *)buf, ts->io_u_sync_plat[i]);
1100 }
129e4193 1101 }
513e37ee 1102 }
513e37ee
VF		 1103 }
1104
b2b3eefe
JA		 1105 if (!ddir_rw(ddir))
1106 return;
1107
cc372b17
SL		 1108 if (!calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev)) {
1109 min = max = 0;
1110 mean = dev = 0.0;
1111 }
1112 tmp_object = json_create_object();
d6bb626e 1113 json_object_add_value_object(dir_object, "lat_ns", tmp_object);
cc372b17
SL		 1114 json_object_add_value_int(tmp_object, "min", min);
1115 json_object_add_value_int(tmp_object, "max", max);
1116 json_object_add_value_float(tmp_object, "mean", mean);
1117 json_object_add_value_float(tmp_object, "stddev", dev);
24cab44e
VF		 1118 if (output_format & FIO_OUTPUT_JSON_PLUS && ts->lat_percentiles)
1119 json_object_add_value_object(tmp_object, "bins", clat_bins_object);
1120
cc372b17
SL		 1121 if (ovals)
1122 free(ovals);
1123
b9e1b491 1124 if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) {
cc372b17 1125 if (rs->agg[ddir]) {
d1707474 1126 p_of_agg = mean * 100 / (double) (rs->agg[ddir] / 1024);
cc372b17
SL		 1127 if (p_of_agg > 100.0)
1128 p_of_agg = 100.0;
1129 }
1130 } else {
1131 min = max = 0;
1132 p_of_agg = mean = dev = 0.0;
1133 }
1134 json_object_add_value_int(dir_object, "bw_min", min);
1135 json_object_add_value_int(dir_object, "bw_max", max);
a806bf2e 1136 json_object_add_value_float(dir_object, "bw_agg", p_of_agg);
cc372b17
SL		 1137 json_object_add_value_float(dir_object, "bw_mean", mean);
1138 json_object_add_value_float(dir_object, "bw_dev", dev);
54c05828
AH		 1139 json_object_add_value_int(dir_object, "bw_samples",
1140 (&ts->bw_stat[ddir])->samples);
188b6016
AH		 1141
1142 if (!calc_lat(&ts->iops_stat[ddir], &min, &max, &mean, &dev)) {
1143 min = max = 0;
1144 mean = dev = 0.0;
1145 }
1146 json_object_add_value_int(dir_object, "iops_min", min);
1147 json_object_add_value_int(dir_object, "iops_max", max);
1148 json_object_add_value_float(dir_object, "iops_mean", mean);
1149 json_object_add_value_float(dir_object, "iops_stddev", dev);
54c05828
AH		 1150 json_object_add_value_int(dir_object, "iops_samples",
1151 (&ts->iops_stat[ddir])->samples);
cc372b17
SL		 1152}
1153
bef2112b
AH		 1154static void show_thread_status_terse_all(struct thread_stat *ts,
1155 struct group_run_stats *rs, int ver,
1156 struct buf_output *out)
4d658652
JA		 1157{
1158 double io_u_dist[FIO_IO_U_MAP_NR];
1159 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
1160 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
1161 double usr_cpu, sys_cpu;
1162 int i;
1163
1164 /* General Info */
bef2112b
AH		 1165 if (ver == 2)
1166 log_buf(out, "2;%s;%d;%d", ts->name, ts->groupid, ts->error);
1167 else
1168 log_buf(out, "%d;%s;%s;%d;%d", ver, fio_version_string,
1169 ts->name, ts->groupid, ts->error);
c6ae0a5b 1170
562c2d2f 1171 /* Log Read Status */
a2c95580 1172 show_ddir_status_terse(ts, rs, DDIR_READ, ver, out);
562c2d2f 1173 /* Log Write Status */
a2c95580 1174 show_ddir_status_terse(ts, rs, DDIR_WRITE, ver, out);
6eaf09d6 1175 /* Log Trim Status */
a2c95580
AH		 1176 if (ver == 2 || ver == 4 || ver == 5)
1177 show_ddir_status_terse(ts, rs, DDIR_TRIM, ver, out);
c6ae0a5b 1178
562c2d2f 1179 /* CPU Usage */
756867bd
JA		 1180 if (ts->total_run_time) {
1181 double runt = (double) ts->total_run_time;
c6ae0a5b 1182
756867bd
JA		 1183 usr_cpu = (double) ts->usr_time * 100 / runt;
1184 sys_cpu = (double) ts->sys_time * 100 / runt;
c6ae0a5b
JA		 1185 } else {
1186 usr_cpu = 0;
1187 sys_cpu = 0;
1188 }
1189
a666cab8 1190 log_buf(out, ";%f%%;%f%%;%llu;%llu;%llu", usr_cpu, sys_cpu,
4e0a8fa2
JA		 1191 (unsigned long long) ts->ctx,
1192 (unsigned long long) ts->majf,
1193 (unsigned long long) ts->minf);
2270890c 1194
562c2d2f 1195 /* Calc % distribution of IO depths, usecond, msecond latency */
d79db122 1196 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
247823cc 1197 stat_calc_lat_nu(ts, io_u_lat_u);
04a0feae 1198 stat_calc_lat_m(ts, io_u_lat_m);
2270890c 1199
562c2d2f 1200 /* Only show fixed 7 I/O depth levels*/
a666cab8 1201 log_buf(out, ";%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%",
5ec10eaa
JA		 1202 io_u_dist[0], io_u_dist[1], io_u_dist[2], io_u_dist[3],
1203 io_u_dist[4], io_u_dist[5], io_u_dist[6]);
2270890c 1204
562c2d2f 1205 /* Microsecond latency */
04a0feae 1206 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++)
a666cab8 1207 log_buf(out, ";%3.2f%%", io_u_lat_u[i]);
562c2d2f 1208 /* Millisecond latency */
04a0feae 1209 for (i = 0; i < FIO_IO_U_LAT_M_NR; i++)
a666cab8 1210 log_buf(out, ";%3.2f%%", io_u_lat_m[i]);
f2f788dd
JA		 1211
1212 /* disk util stats, if any */
24a97130 1213 if (ver >= 3 && is_running_backend())
bef2112b 1214 show_disk_util(1, NULL, out);
f2f788dd 1215
562c2d2f 1216 /* Additional output if continue_on_error set - default off*/
f2bba182 1217 if (ts->continue_on_error)
a666cab8 1218 log_buf(out, ";%llu;%d", (unsigned long long) ts->total_err_count, ts->first_error);
bef2112b
AH		 1219 if (ver == 2)
1220 log_buf(out, "\n");
2270890c 1221
562c2d2f 1222 /* Additional output if description is set */
4b0f2258 1223 if (strlen(ts->description))
a666cab8 1224 log_buf(out, ";%s", ts->description);
946e4276 1225
a666cab8 1226 log_buf(out, "\n");
756867bd
JA		 1227}
1228
a89ba4b1 1229static void json_add_job_opts(struct json_object *root, const char *name,
0cf542af 1230 struct flist_head *opt_list)
66e19a38
JA		 1231{
1232 struct json_object *dir_object;
1233 struct flist_head *entry;
1234 struct print_option *p;
1235
1236 if (flist_empty(opt_list))
1237 return;
1238
1239 dir_object = json_create_object();
1240 json_object_add_value_object(root, name, dir_object);
1241
1242 flist_for_each(entry, opt_list) {
1243 const char *pos = "";
1244
1245 p = flist_entry(entry, struct print_option, list);
1246 if (p->value)
1247 pos = p->value;
1248 json_object_add_value_string(dir_object, p->name, pos);
1249 }
1250}
1251
cc372b17 1252static struct json_object *show_thread_status_json(struct thread_stat *ts,
66e19a38
JA		 1253 struct group_run_stats *rs,
1254 struct flist_head *opt_list)
cc372b17
SL		 1255{
1256 struct json_object *root, *tmp;
b01af66b 1257 struct jobs_eta *je;
cc372b17 1258 double io_u_dist[FIO_IO_U_MAP_NR];
d6bb626e 1259 double io_u_lat_n[FIO_IO_U_LAT_N_NR];
cc372b17
SL		 1260 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
1261 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
1262 double usr_cpu, sys_cpu;
1263 int i;
b01af66b
CJ		 1264 size_t size;
1265
cc372b17
SL		 1266 root = json_create_object();
1267 json_object_add_value_string(root, "jobname", ts->name);
1268 json_object_add_value_int(root, "groupid", ts->groupid);
1269 json_object_add_value_int(root, "error", ts->error);
1270
b01af66b 1271 /* ETA Info */
c5103619 1272 je = get_jobs_eta(true, &size);
2de615ad
JA		 1273 if (je) {
1274 json_object_add_value_int(root, "eta", je->eta_sec);
1275 json_object_add_value_int(root, "elapsed", je->elapsed_sec);
1276 }
b01af66b 1277
66e19a38 1278 if (opt_list)
0cf542af 1279 json_add_job_opts(root, "job options", opt_list);
66e19a38 1280
cc372b17
SL		 1281 add_ddir_status_json(ts, rs, DDIR_READ, root);
1282 add_ddir_status_json(ts, rs, DDIR_WRITE, root);
f3afa57e 1283 add_ddir_status_json(ts, rs, DDIR_TRIM, root);
b2b3eefe 1284 add_ddir_status_json(ts, rs, DDIR_SYNC, root);
cc372b17
SL		 1285
1286 /* CPU Usage */
1287 if (ts->total_run_time) {
1288 double runt = (double) ts->total_run_time;
1289
1290 usr_cpu = (double) ts->usr_time * 100 / runt;
1291 sys_cpu = (double) ts->sys_time * 100 / runt;
1292 } else {
1293 usr_cpu = 0;
1294 sys_cpu = 0;
1295 }
bcbb4c6c 1296 json_object_add_value_int(root, "job_runtime", ts->total_run_time);
cc372b17
SL		 1297 json_object_add_value_float(root, "usr_cpu", usr_cpu);
1298 json_object_add_value_float(root, "sys_cpu", sys_cpu);
1299 json_object_add_value_int(root, "ctx", ts->ctx);
1300 json_object_add_value_int(root, "majf", ts->majf);
1301 json_object_add_value_int(root, "minf", ts->minf);
1302
ec3e3648 1303 /* Calc % distribution of IO depths */
d79db122 1304 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
cc372b17
SL		 1305 tmp = json_create_object();
1306 json_object_add_value_object(root, "iodepth_level", tmp);
1307 /* Only show fixed 7 I/O depth levels*/
1308 for (i = 0; i < 7; i++) {
1309 char name[20];
1310 if (i < 6)
98ffb8f3 1311 snprintf(name, 20, "%d", 1 << i);
cc372b17 1312 else
98ffb8f3 1313 snprintf(name, 20, ">=%d", 1 << i);
cc372b17
SL		 1314 json_object_add_value_float(tmp, (const char *)name, io_u_dist[i]);
1315 }
1316
ec3e3648
VF		 1317 /* Calc % distribution of submit IO depths */
1318 stat_calc_dist(ts->io_u_submit, ts->total_submit, io_u_dist);
1319 tmp = json_create_object();
1320 json_object_add_value_object(root, "iodepth_submit", tmp);
1321 /* Only show fixed 7 I/O depth levels*/
1322 for (i = 0; i < 7; i++) {
1323 char name[20];
1324 if (i == 0)
1325 snprintf(name, 20, "0");
1326 else if (i < 6)
1327 snprintf(name, 20, "%d", 1 << (i+1));
1328 else
1329 snprintf(name, 20, ">=%d", 1 << i);
1330 json_object_add_value_float(tmp, (const char *)name, io_u_dist[i]);
1331 }
1332
1333 /* Calc % distribution of completion IO depths */
1334 stat_calc_dist(ts->io_u_complete, ts->total_complete, io_u_dist);
1335 tmp = json_create_object();
1336 json_object_add_value_object(root, "iodepth_complete", tmp);
1337 /* Only show fixed 7 I/O depth levels*/
1338 for (i = 0; i < 7; i++) {
1339 char name[20];
1340 if (i == 0)
1341 snprintf(name, 20, "0");
1342 else if (i < 6)
1343 snprintf(name, 20, "%d", 1 << (i+1));
1344 else
1345 snprintf(name, 20, ">=%d", 1 << i);
1346 json_object_add_value_float(tmp, (const char *)name, io_u_dist[i]);
1347 }
1348
1349 /* Calc % distribution of nsecond, usecond, msecond latency */
1350 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
1351 stat_calc_lat_n(ts, io_u_lat_n);
1352 stat_calc_lat_u(ts, io_u_lat_u);
1353 stat_calc_lat_m(ts, io_u_lat_m);
1354
d6bb626e 1355 /* Nanosecond latency */
cc372b17 1356 tmp = json_create_object();
d6bb626e
VF		 1357 json_object_add_value_object(root, "latency_ns", tmp);
1358 for (i = 0; i < FIO_IO_U_LAT_N_NR; i++) {
1359 const char *ranges[] = { "2", "4", "10", "20", "50", "100",
1360 "250", "500", "750", "1000", };
1361 json_object_add_value_float(tmp, ranges[i], io_u_lat_n[i]);
1362 }
cc372b17 1363 /* Microsecond latency */
d6bb626e
VF		 1364 tmp = json_create_object();
1365 json_object_add_value_object(root, "latency_us", tmp);
cc372b17
SL		 1366 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) {
1367 const char *ranges[] = { "2", "4", "10", "20", "50", "100",
1368 "250", "500", "750", "1000", };
1369 json_object_add_value_float(tmp, ranges[i], io_u_lat_u[i]);
1370 }
1371 /* Millisecond latency */
1372 tmp = json_create_object();
1373 json_object_add_value_object(root, "latency_ms", tmp);
1374 for (i = 0; i < FIO_IO_U_LAT_M_NR; i++) {
1375 const char *ranges[] = { "2", "4", "10", "20", "50", "100",
1376 "250", "500", "750", "1000", "2000",
1377 ">=2000", };
1378 json_object_add_value_float(tmp, ranges[i], io_u_lat_m[i]);
1379 }
1380
1381 /* Additional output if continue_on_error set - default off*/
1382 if (ts->continue_on_error) {
1383 json_object_add_value_int(root, "total_err", ts->total_err_count);
952b05e0 1384 json_object_add_value_int(root, "first_error", ts->first_error);
cc372b17
SL		 1385 }
1386
3e260a46
JA		 1387 if (ts->latency_depth) {
1388 json_object_add_value_int(root, "latency_depth", ts->latency_depth);
1389 json_object_add_value_int(root, "latency_target", ts->latency_target);
1390 json_object_add_value_float(root, "latency_percentile", ts->latency_percentile.u.f);
1391 json_object_add_value_int(root, "latency_window", ts->latency_window);
1392 }
1393
cc372b17
SL		 1394 /* Additional output if description is set */
1395 if (strlen(ts->description))
1396 json_object_add_value_string(root, "desc", ts->description);
1397
66347cfa
DE		 1398 if (ts->nr_block_infos) {
1399 /* Block error histogram and types */
1400 int len;
1401 unsigned int *percentiles = NULL;
1402 unsigned int block_state_counts[BLOCK_STATE_COUNT];
1403
1404 len = calc_block_percentiles(ts->nr_block_infos, ts->block_infos,
1405 ts->percentile_list,
1406 &percentiles, block_state_counts);
1407
1408 if (len) {
1409 struct json_object *block, *percentile_object, *states;
8a68c41c 1410 int state;
66347cfa
DE		 1411 block = json_create_object();
1412 json_object_add_value_object(root, "block", block);
1413
1414 percentile_object = json_create_object();
1415 json_object_add_value_object(block, "percentiles",
1416 percentile_object);
1417 for (i = 0; i < len; i++) {
1418 char buf[20];
1419 snprintf(buf, sizeof(buf), "%f",
1420 ts->percentile_list[i].u.f);
1421 json_object_add_value_int(percentile_object,
1422 (const char *)buf,
1423 percentiles[i]);
1424 }
1425
1426 states = json_create_object();
1427 json_object_add_value_object(block, "states", states);
1428 for (state = 0; state < BLOCK_STATE_COUNT; state++) {
1429 json_object_add_value_int(states,
1430 block_state_names[state],
1431 block_state_counts[state]);
1432 }
1433 free(percentiles);
1434 }
1435 }
1436
bb49c8bd 1437 if (ts->ss_dur) {
ba8fb6f6
VF		 1438 struct json_object *data;
1439 struct json_array *iops, *bw;
a43f4461 1440 int j, k, l;
6da94b07 1441 char ss_buf[64];
16e56d25 1442
6da94b07 1443 snprintf(ss_buf, sizeof(ss_buf), "%s%s:%f%s",
c8caba48
JA		 1444 ts->ss_state & FIO_SS_IOPS ? "iops" : "bw",
1445 ts->ss_state & FIO_SS_SLOPE ? "_slope" : "",
bb49c8bd 1446 (float) ts->ss_limit.u.f,
c8caba48 1447 ts->ss_state & FIO_SS_PCT ? "%" : "");
16e56d25
VF		 1448
1449 tmp = json_create_object();
1450 json_object_add_value_object(root, "steadystate", tmp);
6da94b07 1451 json_object_add_value_string(tmp, "ss", ss_buf);
bb49c8bd 1452 json_object_add_value_int(tmp, "duration", (int)ts->ss_dur);
c8caba48 1453 json_object_add_value_int(tmp, "attained", (ts->ss_state & FIO_SS_ATTAINED) > 0);
6da94b07 1454
bb49c8bd 1455 snprintf(ss_buf, sizeof(ss_buf), "%f%s", (float) ts->ss_criterion.u.f,
c8caba48 1456 ts->ss_state & FIO_SS_PCT ? "%" : "");
6da94b07 1457 json_object_add_value_string(tmp, "criterion", ss_buf);
bb49c8bd
VF		 1458 json_object_add_value_float(tmp, "max_deviation", ts->ss_deviation.u.f);
1459 json_object_add_value_float(tmp, "slope", ts->ss_slope.u.f);
ba8fb6f6
VF		 1460
1461 data = json_create_object();
1462 json_object_add_value_object(tmp, "data", data);
1463 bw = json_create_array();
1464 iops = json_create_array();
412c7d91
VF		 1465
1466 /*
1467 ** if ss was attained or the buffer is not full,
1468 ** ss->head points to the first element in the list.
1469 ** otherwise it actually points to the second element
1470 ** in the list
1471 */
c8caba48 1472 if ((ts->ss_state & FIO_SS_ATTAINED) || !(ts->ss_state & FIO_SS_BUFFER_FULL))
bb49c8bd 1473 j = ts->ss_head;
412c7d91 1474 else
bb49c8bd 1475 j = ts->ss_head == 0 ? ts->ss_dur - 1 : ts->ss_head - 1;
a43f4461
JA		 1476 for (l = 0; l < ts->ss_dur; l++) {
1477 k = (j + l) % ts->ss_dur;
bb49c8bd
VF		 1478 json_array_add_value_int(bw, ts->ss_bw_data[k]);
1479 json_array_add_value_int(iops, ts->ss_iops_data[k]);
16e56d25 1480 }
bb49c8bd
VF		 1481 json_object_add_value_int(data, "bw_mean", steadystate_bw_mean(ts));
1482 json_object_add_value_int(data, "iops_mean", steadystate_iops_mean(ts));
6da94b07
VF		 1483 json_object_add_value_array(data, "iops", iops);
1484 json_object_add_value_array(data, "bw", bw);
16e56d25
VF		 1485 }
1486
cc372b17
SL		 1487 return root;
1488}
1489
4d658652 1490static void show_thread_status_terse(struct thread_stat *ts,
a666cab8
JA		 1491 struct group_run_stats *rs,
1492 struct buf_output *out)
4d658652 1493{
a2c95580 1494 if (terse_version >= 2 && terse_version <= 5)
bef2112b 1495 show_thread_status_terse_all(ts, rs, terse_version, out);
4d658652
JA		 1496 else
1497 log_err("fio: bad terse version!? %d\n", terse_version);
1498}
1499
952b05e0 1500struct json_object *show_thread_status(struct thread_stat *ts,
a666cab8 1501 struct group_run_stats *rs,
0279b880 1502 struct flist_head *opt_list,
a666cab8 1503 struct buf_output *out)
952b05e0 1504{
129fb2d4
JA		 1505 struct json_object *ret = NULL;
1506
1507 if (output_format & FIO_OUTPUT_TERSE)
a666cab8 1508 show_thread_status_terse(ts, rs, out);
129fb2d4 1509 if (output_format & FIO_OUTPUT_JSON)
0279b880 1510 ret = show_thread_status_json(ts, rs, opt_list);
129fb2d4 1511 if (output_format & FIO_OUTPUT_NORMAL)
a666cab8 1512 show_thread_status_normal(ts, rs, out);
129fb2d4
JA		 1513
1514 return ret;
952b05e0
CF		 1515}
1516
fd595830 1517static void sum_stat(struct io_stat *dst, struct io_stat *src, bool first)
756867bd
JA		 1518{
1519 double mean, S;
1520
e09231c2
ZL		 1521 if (src->samples == 0)
1522 return;
1523
756867bd
JA		 1524 dst->min_val = min(dst->min_val, src->min_val);
1525 dst->max_val = max(dst->max_val, src->max_val);
756867bd
JA		 1526
1527 /*
cdcac5cf
YH		 1528 * Compute new mean and S after the merge
1529 * <http://en.wikipedia.org/wiki/Algorithms_for_calculating_variance
1530 * #Parallel_algorithm>
756867bd 1531 */
fd595830 1532 if (first) {
802ad4a8
JA		 1533 mean = src->mean.u.f;
1534 S = src->S.u.f;
756867bd 1535 } else {
802ad4a8 1536 double delta = src->mean.u.f - dst->mean.u.f;
cdcac5cf 1537
802ad4a8
JA		 1538 mean = ((src->mean.u.f * src->samples) +
1539 (dst->mean.u.f * dst->samples)) /
cdcac5cf
YH		 1540 (dst->samples + src->samples);
1541
802ad4a8 1542 S = src->S.u.f + dst->S.u.f + pow(delta, 2.0) *
cdcac5cf
YH		 1543 (dst->samples * src->samples) /
1544 (dst->samples + src->samples);
756867bd
JA		 1545 }
1546
cdcac5cf 1547 dst->samples += src->samples;
802ad4a8
JA		 1548 dst->mean.u.f = mean;
1549 dst->S.u.f = S;
756867bd
JA		 1550}
1551
37f0c1ae
JA		 1552void sum_group_stats(struct group_run_stats *dst, struct group_run_stats *src)
1553{
1554 int i;
1555
6eaf09d6 1556 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
37f0c1ae
JA		 1557 if (dst->max_run[i] < src->max_run[i])
1558 dst->max_run[i] = src->max_run[i];
1559 if (dst->min_run[i] && dst->min_run[i] > src->min_run[i])
1560 dst->min_run[i] = src->min_run[i];
1561 if (dst->max_bw[i] < src->max_bw[i])
1562 dst->max_bw[i] = src->max_bw[i];
1563 if (dst->min_bw[i] && dst->min_bw[i] > src->min_bw[i])
1564 dst->min_bw[i] = src->min_bw[i];
1565
af7f87cb 1566 dst->iobytes[i] += src->iobytes[i];
37f0c1ae
JA		 1567 dst->agg[i] += src->agg[i];
1568 }
1569
dbae1bd6
JA		 1570 if (!dst->kb_base)
1571 dst->kb_base = src->kb_base;
1572 if (!dst->unit_base)
1573 dst->unit_base = src->unit_base;
18aa1998
JF		 1574 if (!dst->sig_figs)
1575 dst->sig_figs = src->sig_figs;
37f0c1ae
JA		 1576}
1577
fd595830
JA		 1578void sum_thread_stats(struct thread_stat *dst, struct thread_stat *src,
1579 bool first)
5b9babb7
JA		 1580{
1581 int l, k;
1582
6eaf09d6 1583 for (l = 0; l < DDIR_RWDIR_CNT; l++) {
771e58be 1584 if (!dst->unified_rw_rep) {
fd595830
JA		 1585 sum_stat(&dst->clat_stat[l], &src->clat_stat[l], first);
1586 sum_stat(&dst->slat_stat[l], &src->slat_stat[l], first);
1587 sum_stat(&dst->lat_stat[l], &src->lat_stat[l], first);
1588 sum_stat(&dst->bw_stat[l], &src->bw_stat[l], first);
188b6016 1589 sum_stat(&dst->iops_stat[l], &src->iops_stat[l], first);
771e58be
JA		 1590
1591 dst->io_bytes[l] += src->io_bytes[l];
1592
1593 if (dst->runtime[l] < src->runtime[l])
1594 dst->runtime[l] = src->runtime[l];
1595 } else {
fd595830
JA		 1596 sum_stat(&dst->clat_stat[0], &src->clat_stat[l], first);
1597 sum_stat(&dst->slat_stat[0], &src->slat_stat[l], first);
1598 sum_stat(&dst->lat_stat[0], &src->lat_stat[l], first);
1599 sum_stat(&dst->bw_stat[0], &src->bw_stat[l], first);
188b6016 1600 sum_stat(&dst->iops_stat[0], &src->iops_stat[l], first);
771e58be
JA		 1601
1602 dst->io_bytes[0] += src->io_bytes[l];
1603
1604 if (dst->runtime[0] < src->runtime[l])
1605 dst->runtime[0] = src->runtime[l];
fd595830
JA		 1606
1607 /*
1608 * We're summing to the same destination, so override
1609 * 'first' after the first iteration of the loop
1610 */
1611 first = false;
771e58be 1612 }
5b9babb7
JA		 1613 }
1614
b2b3eefe 1615 sum_stat(&dst->sync_stat, &src->sync_stat, first);
5b9babb7
JA		 1616 dst->usr_time += src->usr_time;
1617 dst->sys_time += src->sys_time;
1618 dst->ctx += src->ctx;
1619 dst->majf += src->majf;
1620 dst->minf += src->minf;
1621
b2b3eefe 1622 for (k = 0; k < FIO_IO_U_MAP_NR; k++) {
5b9babb7 1623 dst->io_u_map[k] += src->io_u_map[k];
5b9babb7 1624 dst->io_u_submit[k] += src->io_u_submit[k];
5b9babb7 1625 dst->io_u_complete[k] += src->io_u_complete[k];
b2b3eefe
JA		 1626 }
1627 for (k = 0; k < FIO_IO_U_LAT_N_NR; k++) {
d6bb626e 1628 dst->io_u_lat_n[k] += src->io_u_lat_n[k];
5b9babb7 1629 dst->io_u_lat_u[k] += src->io_u_lat_u[k];
5b9babb7 1630 dst->io_u_lat_m[k] += src->io_u_lat_m[k];
b2b3eefe
JA		 1631 }
1632 for (k = 0; k < FIO_IO_U_PLAT_NR; k++)
1633 dst->io_u_sync_plat[k] += src->io_u_sync_plat[k];
5b9babb7 1634
6eaf09d6 1635 for (k = 0; k < DDIR_RWDIR_CNT; k++) {
771e58be
JA		 1636 if (!dst->unified_rw_rep) {
1637 dst->total_io_u[k] += src->total_io_u[k];
1638 dst->short_io_u[k] += src->short_io_u[k];
3bcb9d94 1639 dst->drop_io_u[k] += src->drop_io_u[k];
771e58be
JA		 1640 } else {
1641 dst->total_io_u[0] += src->total_io_u[k];
1642 dst->short_io_u[0] += src->short_io_u[k];
3bcb9d94 1643 dst->drop_io_u[0] += src->drop_io_u[k];
771e58be 1644 }
5b9babb7
JA		 1645 }
1646
7f3ecee2
JA		 1647 dst->total_io_u[DDIR_SYNC] += src->total_io_u[DDIR_SYNC];
1648
6eaf09d6 1649 for (k = 0; k < DDIR_RWDIR_CNT; k++) {
5b9babb7 1650 int m;
771e58be
JA		 1651
1652 for (m = 0; m < FIO_IO_U_PLAT_NR; m++) {
1653 if (!dst->unified_rw_rep)
1654 dst->io_u_plat[k][m] += src->io_u_plat[k][m];
1655 else
1656 dst->io_u_plat[0][m] += src->io_u_plat[k][m];
1657 }
5b9babb7
JA		 1658 }
1659
1660 dst->total_run_time += src->total_run_time;
1661 dst->total_submit += src->total_submit;
1662 dst->total_complete += src->total_complete;
fd5d733f 1663 dst->nr_zone_resets += src->nr_zone_resets;
5b9babb7
JA		 1664}
1665
37f0c1ae
JA		 1666void init_group_run_stat(struct group_run_stats *gs)
1667{
6eaf09d6 1668 int i;
37f0c1ae 1669 memset(gs, 0, sizeof(*gs));
6eaf09d6
SL		 1670
1671 for (i = 0; i < DDIR_RWDIR_CNT; i++)
1672 gs->min_bw[i] = gs->min_run[i] = ~0UL;
37f0c1ae
JA		 1673}
1674
1675void init_thread_stat(struct thread_stat *ts)
1676{
1677 int j;
1678
1679 memset(ts, 0, sizeof(*ts));
1680
6eaf09d6 1681 for (j = 0; j < DDIR_RWDIR_CNT; j++) {
37f0c1ae
JA		 1682 ts->lat_stat[j].min_val = -1UL;
1683 ts->clat_stat[j].min_val = -1UL;
1684 ts->slat_stat[j].min_val = -1UL;
1685 ts->bw_stat[j].min_val = -1UL;
188b6016 1686 ts->iops_stat[j].min_val = -1UL;
37f0c1ae 1687 }
7f3ecee2 1688 ts->sync_stat.min_val = -1UL;
37f0c1ae
JA		 1689 ts->groupid = -1;
1690}
1691
83f7b64e 1692void __show_run_stats(void)
3c39a379
JA		 1693{
1694 struct group_run_stats *runstats, *rs;
1695 struct thread_data *td;
756867bd 1696 struct thread_stat *threadstats, *ts;
4da24b69 1697 int i, j, k, nr_ts, last_ts, idx;
8985b491
JA		 1698 bool kb_base_warned = false;
1699 bool unit_base_warned = false;
cc372b17
SL		 1700 struct json_object *root = NULL;
1701 struct json_array *array = NULL;
a666cab8 1702 struct buf_output output[FIO_OUTPUT_NR];
66e19a38 1703 struct flist_head **opt_lists;
a666cab8 1704
3c39a379
JA		 1705 runstats = malloc(sizeof(struct group_run_stats) * (groupid + 1));
1706
37f0c1ae
JA		 1707 for (i = 0; i < groupid + 1; i++)
1708 init_group_run_stat(&runstats[i]);
3c39a379 1709
756867bd
JA		 1710 /*
1711 * find out how many threads stats we need. if group reporting isn't
1712 * enabled, it's one-per-td.
1713 */
1714 nr_ts = 0;
1715 last_ts = -1;
1716 for_each_td(td, i) {
2dc1bbeb 1717 if (!td->o.group_reporting) {
756867bd
JA		 1718 nr_ts++;
1719 continue;
1720 }
1721 if (last_ts == td->groupid)
1722 continue;
8243be59
JA		 1723 if (!td->o.stats)
1724 continue;
756867bd
JA		 1725
1726 last_ts = td->groupid;
1727 nr_ts++;
1728 }
1729
1730 threadstats = malloc(nr_ts * sizeof(struct thread_stat));
66e19a38 1731 opt_lists = malloc(nr_ts * sizeof(struct flist_head *));
756867bd 1732
66e19a38 1733 for (i = 0; i < nr_ts; i++) {
37f0c1ae 1734 init_thread_stat(&threadstats[i]);
66e19a38
JA		 1735 opt_lists[i] = NULL;
1736 }
756867bd
JA		 1737
1738 j = 0;
1739 last_ts = -1;
197574e4 1740 idx = 0;
34572e28 1741 for_each_td(td, i) {
8243be59
JA		 1742 if (!td->o.stats)
1743 continue;
2dc1bbeb
JA		 1744 if (idx && (!td->o.group_reporting ||
1745 (td->o.group_reporting && last_ts != td->groupid))) {
7abd0e3a
JA		 1746 idx = 0;
1747 j++;
1748 }
1749
1750 last_ts = td->groupid;
1751
756867bd
JA		 1752 ts = &threadstats[j];
1753
83349190 1754 ts->clat_percentiles = td->o.clat_percentiles;
b599759b 1755 ts->lat_percentiles = td->o.lat_percentiles;
435d195a 1756 ts->percentile_precision = td->o.percentile_precision;
fd112d34 1757 memcpy(ts->percentile_list, td->o.percentile_list, sizeof(td->o.percentile_list));
66e19a38 1758 opt_lists[j] = &td->opt_list;
83349190 1759
197574e4 1760 idx++;
6586ee89 1761 ts->members++;
756867bd 1762
7abd0e3a 1763 if (ts->groupid == -1) {
2dc84ba7
JA		 1764 /*
1765 * These are per-group shared already
1766 */
4e59d0f3 1767 strncpy(ts->name, td->o.name, FIO_JOBNAME_SIZE - 1);
a64e88da
JA		 1768 if (td->o.description)
1769 strncpy(ts->description, td->o.description,
4e59d0f3 1770 FIO_JOBDESC_SIZE - 1);
a64e88da 1771 else
4e59d0f3 1772 memset(ts->description, 0, FIO_JOBDESC_SIZE);
a64e88da 1773
2f122b13
JA		 1774 /*
1775 * If multiple entries in this group, this is
1776 * the first member.
1777 */
1778 ts->thread_number = td->thread_number;
756867bd 1779 ts->groupid = td->groupid;
2dc84ba7
JA		 1780
1781 /*
1782 * first pid in group, not very useful...
1783 */
756867bd 1784 ts->pid = td->pid;
90fef2d1
JA		 1785
1786 ts->kb_base = td->o.kb_base;
ad705bcb 1787 ts->unit_base = td->o.unit_base;
e883cb35 1788 ts->sig_figs = td->o.sig_figs;
771e58be 1789 ts->unified_rw_rep = td->o.unified_rw_rep;
90fef2d1
JA		 1790 } else if (ts->kb_base != td->o.kb_base && !kb_base_warned) {
1791 log_info("fio: kb_base differs for jobs in group, using"
1792 " %u as the base\n", ts->kb_base);
8985b491 1793 kb_base_warned = true;
ad705bcb
SN		 1794 } else if (ts->unit_base != td->o.unit_base && !unit_base_warned) {
1795 log_info("fio: unit_base differs for jobs in group, using"
1796 " %u as the base\n", ts->unit_base);
8985b491 1797 unit_base_warned = true;
2dc84ba7
JA		 1798 }
1799
f2bba182
RR		 1800 ts->continue_on_error = td->o.continue_on_error;
1801 ts->total_err_count += td->total_err_count;
1802 ts->first_error = td->first_error;
1803 if (!ts->error) {
1804 if (!td->error && td->o.continue_on_error &&
1805 td->first_error) {
1806 ts->error = td->first_error;
3660ceae
JA		 1807 ts->verror[sizeof(ts->verror) - 1] = '\0';
1808 strncpy(ts->verror, td->verror, sizeof(ts->verror) - 1);
f2bba182
RR		 1809 } else if (td->error) {
1810 ts->error = td->error;
3660ceae
JA		 1811 ts->verror[sizeof(ts->verror) - 1] = '\0';
1812 strncpy(ts->verror, td->verror, sizeof(ts->verror) - 1);
f2bba182 1813 }
756867bd
JA		 1814 }
1815
3e260a46
JA		 1816 ts->latency_depth = td->latency_qd;
1817 ts->latency_target = td->o.latency_target;
1818 ts->latency_percentile = td->o.latency_percentile;
1819 ts->latency_window = td->o.latency_window;
1820
0e4dd95c 1821 ts->nr_block_infos = td->ts.nr_block_infos;
4da24b69
JA		 1822 for (k = 0; k < ts->nr_block_infos; k++)
1823 ts->block_infos[k] = td->ts.block_infos[k];
0e4dd95c 1824
fd595830 1825 sum_thread_stats(ts, &td->ts, idx == 1);
16e56d25 1826
bb49c8bd
VF		 1827 if (td->o.ss_dur) {
1828 ts->ss_state = td->ss.state;
1829 ts->ss_dur = td->ss.dur;
1830 ts->ss_head = td->ss.head;
bb49c8bd
VF		 1831 ts->ss_bw_data = td->ss.bw_data;
1832 ts->ss_iops_data = td->ss.iops_data;
1833 ts->ss_limit.u.f = td->ss.limit;
1834 ts->ss_slope.u.f = td->ss.slope;
1835 ts->ss_deviation.u.f = td->ss.deviation;
1836 ts->ss_criterion.u.f = td->ss.criterion;
1837 }
16e56d25 1838 else
bb49c8bd 1839 ts->ss_dur = ts->ss_state = 0;
756867bd
JA		 1840 }
1841
1842 for (i = 0; i < nr_ts; i++) {
94370ac4 1843 unsigned long long bw;
3c39a379 1844
756867bd 1845 ts = &threadstats[i];
dedb88eb
JA		 1846 if (ts->groupid == -1)
1847 continue;
756867bd 1848 rs = &runstats[ts->groupid];
90fef2d1 1849 rs->kb_base = ts->kb_base;
ad705bcb 1850 rs->unit_base = ts->unit_base;
e883cb35 1851 rs->sig_figs = ts->sig_figs;
771e58be 1852 rs->unified_rw_rep += ts->unified_rw_rep;
3c39a379 1853
6eaf09d6 1854 for (j = 0; j < DDIR_RWDIR_CNT; j++) {
94370ac4
JA		 1855 if (!ts->runtime[j])
1856 continue;
1857 if (ts->runtime[j] < rs->min_run[j] || !rs->min_run[j])
1858 rs->min_run[j] = ts->runtime[j];
1859 if (ts->runtime[j] > rs->max_run[j])
1860 rs->max_run[j] = ts->runtime[j];
1861
1862 bw = 0;
af7f87cb
RE		 1863 if (ts->runtime[j])
1864 bw = ts->io_bytes[j] * 1000 / ts->runtime[j];
94370ac4
JA		 1865 if (bw < rs->min_bw[j])
1866 rs->min_bw[j] = bw;
1867 if (bw > rs->max_bw[j])
1868 rs->max_bw[j] = bw;
1869
af7f87cb 1870 rs->iobytes[j] += ts->io_bytes[j];
94370ac4 1871 }
3c39a379
JA		 1872 }
1873
1874 for (i = 0; i < groupid + 1; i++) {
6eaf09d6
SL		 1875 int ddir;
1876
3c39a379
JA		 1877 rs = &runstats[i];
1878
6eaf09d6
SL		 1879 for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++) {
1880 if (rs->max_run[ddir])
af7f87cb 1881 rs->agg[ddir] = (rs->iobytes[ddir] * 1000) /
6eaf09d6
SL		 1882 rs->max_run[ddir];
1883 }
3c39a379
JA		 1884 }
1885
a666cab8 1886 for (i = 0; i < FIO_OUTPUT_NR; i++)
e250c0a9 1887 buf_output_init(&output[i]);
a666cab8 1888
3c39a379
JA		 1889 /*
1890 * don't overwrite last signal output
1891 */
129fb2d4 1892 if (output_format & FIO_OUTPUT_NORMAL)
a666cab8 1893 log_buf(&output[__FIO_OUTPUT_NORMAL], "\n");
129fb2d4 1894 if (output_format & FIO_OUTPUT_JSON) {
66e19a38 1895 struct thread_data *global;
35326842 1896 char time_buf[32];
aa7d2ef0
RH		 1897 struct timeval now;
1898 unsigned long long ms_since_epoch;
afd74e2a 1899 time_t tv_sec;
91e53870 1900
aa7d2ef0
RH		 1901 gettimeofday(&now, NULL);
1902 ms_since_epoch = (unsigned long long)(now.tv_sec) * 1000 +
1903 (unsigned long long)(now.tv_usec) / 1000;
1904
afd74e2a
BVA		 1905 tv_sec = now.tv_sec;
1906 os_ctime_r(&tv_sec, time_buf, sizeof(time_buf));
1d272416
JA		 1907 if (time_buf[strlen(time_buf) - 1] == '\n')
1908 time_buf[strlen(time_buf) - 1] = '\0';
91e53870 1909
cc372b17
SL		 1910 root = json_create_object();
1911 json_object_add_value_string(root, "fio version", fio_version_string);
aa7d2ef0
RH		 1912 json_object_add_value_int(root, "timestamp", now.tv_sec);
1913 json_object_add_value_int(root, "timestamp_ms", ms_since_epoch);
91e53870 1914 json_object_add_value_string(root, "time", time_buf);
66e19a38 1915 global = get_global_options();
0cf542af 1916 json_add_job_opts(root, "global options", &global->opt_list);
cc372b17
SL		 1917 array = json_create_array();
1918 json_object_add_value_array(root, "jobs", array);
1919 }
3c39a379 1920
0279b880
JA		 1921 if (is_backend)
1922 fio_server_send_job_options(&get_global_options()->opt_list, -1U);
1923
756867bd
JA		 1924 for (i = 0; i < nr_ts; i++) {
1925 ts = &threadstats[i];
1926 rs = &runstats[ts->groupid];
3c39a379 1927
0279b880
JA		 1928 if (is_backend) {
1929 fio_server_send_job_options(opt_lists[i], i);
a64e88da 1930 fio_server_send_ts(ts, rs);
1d1b65dc
LC		 1931 if (output_format & FIO_OUTPUT_TERSE)
1932 show_thread_status_terse(ts, rs, &output[__FIO_OUTPUT_TERSE]);
0279b880 1933 } else {
129fb2d4 1934 if (output_format & FIO_OUTPUT_TERSE)
a666cab8 1935 show_thread_status_terse(ts, rs, &output[__FIO_OUTPUT_TERSE]);
129fb2d4 1936 if (output_format & FIO_OUTPUT_JSON) {
66e19a38 1937 struct json_object *tmp = show_thread_status_json(ts, rs, opt_lists[i]);
129fb2d4
JA		 1938 json_array_add_value_object(array, tmp);
1939 }
1940 if (output_format & FIO_OUTPUT_NORMAL)
a666cab8 1941 show_thread_status_normal(ts, rs, &output[__FIO_OUTPUT_NORMAL]);
129fb2d4 1942 }
3c39a379 1943 }
ab34ddd1 1944 if (!is_backend && (output_format & FIO_OUTPUT_JSON)) {
cc372b17 1945 /* disk util stats, if any */
a666cab8 1946 show_disk_util(1, root, &output[__FIO_OUTPUT_JSON]);
cc372b17 1947
a666cab8 1948 show_idle_prof_stats(FIO_OUTPUT_JSON, root, &output[__FIO_OUTPUT_JSON]);
f2a2ce0e 1949
a666cab8
JA		 1950 json_print_object(root, &output[__FIO_OUTPUT_JSON]);
1951 log_buf(&output[__FIO_OUTPUT_JSON], "\n");
cc372b17
SL		 1952 json_free_object(root);
1953 }
3c39a379 1954
72c27ff8
JA		 1955 for (i = 0; i < groupid + 1; i++) {
1956 rs = &runstats[i];
3c39a379 1957
72c27ff8 1958 rs->groupid = i;
d09a64a0 1959 if (is_backend)
72c27ff8 1960 fio_server_send_gs(rs);
129fb2d4 1961 else if (output_format & FIO_OUTPUT_NORMAL)
a666cab8 1962 show_group_stats(rs, &output[__FIO_OUTPUT_NORMAL]);
c6ae0a5b 1963 }
eecf272f 1964
72c27ff8
JA		 1965 if (is_backend)
1966 fio_server_send_du();
129fb2d4 1967 else if (output_format & FIO_OUTPUT_NORMAL) {
a666cab8
JA		 1968 show_disk_util(0, NULL, &output[__FIO_OUTPUT_NORMAL]);
1969 show_idle_prof_stats(FIO_OUTPUT_NORMAL, NULL, &output[__FIO_OUTPUT_NORMAL]);
60904003 1970 }
f2a2ce0e 1971
3d57c0e9 1972 for (i = 0; i < FIO_OUTPUT_NR; i++) {
3dc3aa41 1973 struct buf_output *out = &output[i];
8dd0eca3 1974
3dc3aa41 1975 log_info_buf(out->buf, out->buflen);
3dc3aa41 1976 buf_output_free(out);
3d57c0e9 1977 }
2b8c71b0 1978
7ceefc09
FS		 1979 fio_idle_prof_cleanup();
1980
fdd5f15f 1981 log_info_flush();
eecf272f 1982 free(runstats);
756867bd 1983 free(threadstats);
66e19a38 1984 free(opt_lists);
3c39a379
JA		 1985}
1986
5ddc6707 1987void __show_running_run_stats(void)
b852e7cf
JA		 1988{
1989 struct thread_data *td;
1990 unsigned long long *rt;
8b6a404c 1991 struct timespec ts;
b852e7cf
JA		 1992 int i;
1993
971caeb1 1994 fio_sem_down(stat_sem);
90811930 1995
b852e7cf 1996 rt = malloc(thread_number * sizeof(unsigned long long));
8b6a404c 1997 fio_gettime(&ts, NULL);
b852e7cf
JA		 1998
1999 for_each_td(td, i) {
c97f1ad6 2000 td->update_rusage = 1;
6eaf09d6
SL		 2001 td->ts.io_bytes[DDIR_READ] = td->io_bytes[DDIR_READ];
2002 td->ts.io_bytes[DDIR_WRITE] = td->io_bytes[DDIR_WRITE];
2003 td->ts.io_bytes[DDIR_TRIM] = td->io_bytes[DDIR_TRIM];
8b6a404c 2004 td->ts.total_run_time = mtime_since(&td->epoch, &ts);
6c041a88 2005
8b6a404c 2006 rt[i] = mtime_since(&td->start, &ts);
6c041a88 2007 if (td_read(td) && td->ts.io_bytes[DDIR_READ])
2008 td->ts.runtime[DDIR_READ] += rt[i];
2009 if (td_write(td) && td->ts.io_bytes[DDIR_WRITE])
2010 td->ts.runtime[DDIR_WRITE] += rt[i];
2011 if (td_trim(td) && td->ts.io_bytes[DDIR_TRIM])
2012 td->ts.runtime[DDIR_TRIM] += rt[i];
b852e7cf
JA		 2013 }
2014
c97f1ad6 2015 for_each_td(td, i) {
fda2cfac
JA		 2016 if (td->runstate >= TD_EXITED)
2017 continue;
c97f1ad6
JA		 2018 if (td->rusage_sem) {
2019 td->update_rusage = 1;
971caeb1 2020 fio_sem_down(td->rusage_sem);
c97f1ad6
JA		 2021 }
2022 td->update_rusage = 0;
2023 }
2024
cef9175e 2025 __show_run_stats();
b852e7cf
JA		 2026
2027 for_each_td(td, i) {
6c041a88 2028 if (td_read(td) && td->ts.io_bytes[DDIR_READ])
b852e7cf 2029 td->ts.runtime[DDIR_READ] -= rt[i];
6c041a88 2030 if (td_write(td) && td->ts.io_bytes[DDIR_WRITE])
b852e7cf 2031 td->ts.runtime[DDIR_WRITE] -= rt[i];
6c041a88 2032 if (td_trim(td) && td->ts.io_bytes[DDIR_TRIM])
6eaf09d6 2033 td->ts.runtime[DDIR_TRIM] -= rt[i];
b852e7cf
JA		 2034 }
2035
2036 free(rt);
971caeb1 2037 fio_sem_up(stat_sem);
b852e7cf
JA		 2038}
2039
8985b491 2040static bool status_interval_init;
8b6a404c 2041static struct timespec status_time;
8985b491 2042static bool status_file_disabled;
06464907 2043
dac45f23 2044#define FIO_STATUS_FILE "fio-dump-status"
06464907
JA		 2045
2046static int check_status_file(void)
2047{
2048 struct stat sb;
a0bafb7d
BC		 2049 const char *temp_dir;
2050 char fio_status_file_path[PATH_MAX];
06464907 2051
77d99675
JA		 2052 if (status_file_disabled)
2053 return 0;
2054
a0bafb7d 2055 temp_dir = getenv("TMPDIR");
48b16e27 2056 if (temp_dir == NULL) {
a0bafb7d 2057 temp_dir = getenv("TEMP");
48b16e27
JA		 2058 if (temp_dir && strlen(temp_dir) >= PATH_MAX)
2059 temp_dir = NULL;
2060 }
a0bafb7d
BC		 2061 if (temp_dir == NULL)
2062 temp_dir = "/tmp";
2063
2064 snprintf(fio_status_file_path, sizeof(fio_status_file_path), "%s/%s", temp_dir, FIO_STATUS_FILE);
2065
2066 if (stat(fio_status_file_path, &sb))
06464907
JA		 2067 return 0;
2068
77d99675
JA		 2069 if (unlink(fio_status_file_path) < 0) {
2070 log_err("fio: failed to unlink %s: %s\n", fio_status_file_path,
2071 strerror(errno));
2072 log_err("fio: disabling status file updates\n");
8985b491 2073 status_file_disabled = true;
77d99675
JA		 2074 }
2075
06464907
JA		 2076 return 1;
2077}
2078
2079void check_for_running_stats(void)
2080{
2081 if (status_interval) {
2082 if (!status_interval_init) {
2083 fio_gettime(&status_time, NULL);
8985b491 2084 status_interval_init = true;
06464907
JA		 2085 } else if (mtime_since_now(&status_time) >= status_interval) {
2086 show_running_run_stats();
2087 fio_gettime(&status_time, NULL);
2088 return;
2089 }
2090 }
2091 if (check_status_file()) {
2092 show_running_run_stats();
2093 return;
2094 }
2095}
2096
d6bb626e 2097static inline void add_stat_sample(struct io_stat *is, unsigned long long data)
3c39a379 2098{
68704084 2099 double val = data;
6660cc67 2100 double delta;
68704084
JA		 2101
2102 if (data > is->max_val)
2103 is->max_val = data;
2104 if (data < is->min_val)
2105 is->min_val = data;
2106
802ad4a8 2107 delta = val - is->mean.u.f;
ef11d737 2108 if (delta) {
802ad4a8
JA		 2109 is->mean.u.f += delta / (is->samples + 1.0);
2110 is->S.u.f += delta * (val - is->mean.u.f);
ef11d737 2111 }
3c39a379 2112
3c39a379
JA		 2113 is->samples++;
2114}
2115
7e419452
JA		 2116/*
2117 * Return a struct io_logs, which is added to the tail of the log
2118 * list for 'iolog'.
2119 */
2120static struct io_logs *get_new_log(struct io_log *iolog)
2121{
2122 size_t new_size, new_samples;
2123 struct io_logs *cur_log;
2124
2125 /*
2126 * Cap the size at MAX_LOG_ENTRIES, so we don't keep doubling
2127 * forever
2128 */
2129 if (!iolog->cur_log_max)
2130 new_samples = DEF_LOG_ENTRIES;
2131 else {
2132 new_samples = iolog->cur_log_max * 2;
2133 if (new_samples > MAX_LOG_ENTRIES)
2134 new_samples = MAX_LOG_ENTRIES;
2135 }
2136
7e419452 2137 new_size = new_samples * log_entry_sz(iolog);
7e419452 2138
90d2d53f 2139 cur_log = smalloc(sizeof(*cur_log));
7e419452
JA		 2140 if (cur_log) {
2141 INIT_FLIST_HEAD(&cur_log->list);
2142 cur_log->log = malloc(new_size);
2143 if (cur_log->log) {
2144 cur_log->nr_samples = 0;
2145 cur_log->max_samples = new_samples;
2146 flist_add_tail(&cur_log->list, &iolog->io_logs);
2147 iolog->cur_log_max = new_samples;
2148 return cur_log;
2149 }
90d2d53f 2150 sfree(cur_log);
7e419452
JA		 2151 }
2152
2153 return NULL;
2154}
2155
1fed2080
JA		 2156/*
2157 * Add and return a new log chunk, or return current log if big enough
2158 */
2159static struct io_logs *regrow_log(struct io_log *iolog)
7e419452
JA		 2160{
2161 struct io_logs *cur_log;
1fed2080 2162 int i;
7e419452 2163
1fed2080 2164 if (!iolog || iolog->disabled)
2ab71dc4 2165 goto disable;
7e419452 2166
1fed2080 2167 cur_log = iolog_cur_log(iolog);
a9afa45a
JA		 2168 if (!cur_log) {
2169 cur_log = get_new_log(iolog);
2170 if (!cur_log)
2171 return NULL;
2172 }
2173
7e419452
JA		 2174 if (cur_log->nr_samples < cur_log->max_samples)
2175 return cur_log;
2176
2177 /*
2178 * No room for a new sample. If we're compressing on the fly, flush
2179 * out the current chunk
2180 */
2181 if (iolog->log_gz) {
2182 if (iolog_cur_flush(iolog, cur_log)) {
2183 log_err("fio: failed flushing iolog! Will stop logging.\n");
2184 return NULL;
2185 }
2186 }
2187
2188 /*
2189 * Get a new log array, and add to our list
2190 */
2191 cur_log = get_new_log(iolog);
1fed2080
JA		 2192 if (!cur_log) {
2193 log_err("fio: failed extending iolog! Will stop logging.\n");
2194 return NULL;
2195 }
2196
2197 if (!iolog->pending || !iolog->pending->nr_samples)
80a24ba9 2198 return cur_log;
7e419452 2199
1fed2080
JA		 2200 /*
2201 * Flush pending items to new log
2202 */
2203 for (i = 0; i < iolog->pending->nr_samples; i++) {
2204 struct io_sample *src, *dst;
2205
2206 src = get_sample(iolog, iolog->pending, i);
2207 dst = get_sample(iolog, cur_log, i);
2208 memcpy(dst, src, log_entry_sz(iolog));
2209 }
0b2eef49 2210 cur_log->nr_samples = iolog->pending->nr_samples;
1fed2080
JA		 2211
2212 iolog->pending->nr_samples = 0;
2213 return cur_log;
2ab71dc4
JA		 2214disable:
2215 if (iolog)
2216 iolog->disabled = true;
2217 return NULL;
1fed2080
JA		 2218}
2219
2220void regrow_logs(struct thread_data *td)
2221{
2ab71dc4
JA		 2222 regrow_log(td->slat_log);
2223 regrow_log(td->clat_log);
1e613c9c 2224 regrow_log(td->clat_hist_log);
2ab71dc4
JA		 2225 regrow_log(td->lat_log);
2226 regrow_log(td->bw_log);
2227 regrow_log(td->iops_log);
1fed2080
JA		 2228 td->flags &= ~TD_F_REGROW_LOGS;
2229}
2230
2231static struct io_logs *get_cur_log(struct io_log *iolog)
2232{
2233 struct io_logs *cur_log;
2234
2235 cur_log = iolog_cur_log(iolog);
2236 if (!cur_log) {
2237 cur_log = get_new_log(iolog);
2238 if (!cur_log)
2239 return NULL;
2240 }
2241
2242 if (cur_log->nr_samples < cur_log->max_samples)
2243 return cur_log;
2244
2245 /*
1eb467fb
JA		 2246 * Out of space. If we're in IO offload mode, or we're not doing
2247 * per unit logging (hence logging happens outside of the IO thread
2248 * as well), add a new log chunk inline. If we're doing inline
2249 * submissions, flag 'td' as needing a log regrow and we'll take
2250 * care of it on the submission side.
1fed2080 2251 */
ab5643cb 2252 if ((iolog->td && iolog->td->o.io_submit_mode == IO_MODE_OFFLOAD) ||
1eb467fb 2253 !per_unit_log(iolog))
1fed2080
JA		 2254 return regrow_log(iolog);
2255
ab5643cb
IK		 2256 if (iolog->td)
2257 iolog->td->flags |= TD_F_REGROW_LOGS;
2258 if (iolog->pending)
2259 assert(iolog->pending->nr_samples < iolog->pending->max_samples);
1fed2080 2260 return iolog->pending;
7e419452
JA		 2261}
2262
af2fde19 2263static void __add_log_sample(struct io_log *iolog, union io_sample_data data,
5fff9543 2264 enum fio_ddir ddir, unsigned long long bs,
ae588852 2265 unsigned long t, uint64_t offset)
3c39a379 2266{
7e419452 2267 struct io_logs *cur_log;
306ddc97 2268
3c568239
JA		 2269 if (iolog->disabled)
2270 return;
7e419452 2271 if (flist_empty(&iolog->io_logs))
8355119b 2272 iolog->avg_last[ddir] = t;
b8bc8cba 2273
7e419452
JA		 2274 cur_log = get_cur_log(iolog);
2275 if (cur_log) {
2276 struct io_sample *s;
3c39a379 2277
7e419452 2278 s = get_sample(iolog, cur_log, cur_log->nr_samples);
3c39a379 2279
af2fde19 2280 s->data = data;
a9179eeb 2281 s->time = t + (iolog->td ? iolog->td->unix_epoch : 0);
7e419452
JA		 2282 io_sample_set_ddir(iolog, s, ddir);
2283 s->bs = bs;
ae588852 2284
7e419452
JA		 2285 if (iolog->log_offset) {
2286 struct io_sample_offset *so = (void *) s;
ae588852 2287
7e419452
JA		 2288 so->offset = offset;
2289 }
ae588852 2290
7e419452
JA		 2291 cur_log->nr_samples++;
2292 return;
ae588852
JA		 2293 }
2294
7e419452 2295 iolog->disabled = true;
3c39a379
JA		 2296}
2297
7fb28d36
JA		 2298static inline void reset_io_stat(struct io_stat *ios)
2299{
2300 ios->max_val = ios->min_val = ios->samples = 0;
2301 ios->mean.u.f = ios->S.u.f = 0;
2302}
2303
6bb58215
JA		 2304void reset_io_stats(struct thread_data *td)
2305{
2306 struct thread_stat *ts = &td->ts;
2307 int i, j;
2308
2309 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
2310 reset_io_stat(&ts->clat_stat[i]);
2311 reset_io_stat(&ts->slat_stat[i]);
2312 reset_io_stat(&ts->lat_stat[i]);
2313 reset_io_stat(&ts->bw_stat[i]);
2314 reset_io_stat(&ts->iops_stat[i]);
2315
2316 ts->io_bytes[i] = 0;
2317 ts->runtime[i] = 0;
71cb78c1
VF		 2318 ts->total_io_u[i] = 0;
2319 ts->short_io_u[i] = 0;
2320 ts->drop_io_u[i] = 0;
6bb58215 2321
b2b3eefe 2322 for (j = 0; j < FIO_IO_U_PLAT_NR; j++) {
6bb58215 2323 ts->io_u_plat[i][j] = 0;
b2b3eefe
JA		 2324 if (!i)
2325 ts->io_u_sync_plat[j] = 0;
2326 }
6bb58215
JA		 2327 }
2328
7f3ecee2
JA		 2329 ts->total_io_u[DDIR_SYNC] = 0;
2330
6bb58215
JA		 2331 for (i = 0; i < FIO_IO_U_MAP_NR; i++) {
2332 ts->io_u_map[i] = 0;
2333 ts->io_u_submit[i] = 0;
2334 ts->io_u_complete[i] = 0;
71cb78c1
VF		 2335 }
2336
d6bb626e
VF		 2337 for (i = 0; i < FIO_IO_U_LAT_N_NR; i++)
2338 ts->io_u_lat_n[i] = 0;
71cb78c1 2339 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++)
6bb58215 2340 ts->io_u_lat_u[i] = 0;
71cb78c1 2341 for (i = 0; i < FIO_IO_U_LAT_M_NR; i++)
6bb58215 2342 ts->io_u_lat_m[i] = 0;
6bb58215 2343
71cb78c1
VF		 2344 ts->total_submit = 0;
2345 ts->total_complete = 0;
fd5d733f 2346 ts->nr_zone_resets = 0;
6bb58215
JA		 2347}
2348
d96d3bb3 2349static void __add_stat_to_log(struct io_log *iolog, enum fio_ddir ddir,
e6989e10 2350 unsigned long elapsed, bool log_max)
99007068
PO		 2351{
2352 /*
2353 * Note an entry in the log. Use the mean from the logged samples,
2354 * making sure to properly round up. Only write a log entry if we
2355 * had actual samples done.
2356 */
d96d3bb3 2357 if (iolog->avg_window[ddir].samples) {
af2fde19 2358 union io_sample_data data;
99007068 2359
e6989e10 2360 if (log_max)
af2fde19 2361 data.val = iolog->avg_window[ddir].max_val;
e6989e10 2362 else
af2fde19 2363 data.val = iolog->avg_window[ddir].mean.u.f + 0.50;
e6989e10 2364
af2fde19 2365 __add_log_sample(iolog, data, ddir, 0, elapsed, 0);
99007068 2366 }
99007068 2367
d96d3bb3
JA		 2368 reset_io_stat(&iolog->avg_window[ddir]);
2369}
99007068 2370
e6989e10
JA		 2371static void _add_stat_to_log(struct io_log *iolog, unsigned long elapsed,
2372 bool log_max)
d96d3bb3
JA		 2373{
2374 int ddir;
99007068 2375
d96d3bb3 2376 for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++)
e6989e10 2377 __add_stat_to_log(iolog, ddir, elapsed, log_max);
99007068
PO		 2378}
2379
674456bf
JF		 2380static unsigned long add_log_sample(struct thread_data *td,
2381 struct io_log *iolog,
2382 union io_sample_data data,
5fff9543 2383 enum fio_ddir ddir, unsigned long long bs,
674456bf 2384 uint64_t offset)
bb3884d8 2385{
7fb28d36 2386 unsigned long elapsed, this_window;
b8bc8cba 2387
ff58fced 2388 if (!ddir_rw(ddir))
d454a205 2389 return 0;
ff58fced 2390
b8bc8cba
JA		 2391 elapsed = mtime_since_now(&td->epoch);
2392
2393 /*
2394 * If no time averaging, just add the log sample.
2395 */
2396 if (!iolog->avg_msec) {
af2fde19 2397 __add_log_sample(iolog, data, ddir, bs, elapsed, offset);
d454a205 2398 return 0;
b8bc8cba
JA		 2399 }
2400
2401 /*
2402 * Add the sample. If the time period has passed, then
2403 * add that entry to the log and clear.
2404 */
af2fde19 2405 add_stat_sample(&iolog->avg_window[ddir], data.val);
b8bc8cba 2406
7fb28d36
JA		 2407 /*
2408 * If period hasn't passed, adding the above sample is all we
2409 * need to do.
2410 */
8355119b
SW		 2411 this_window = elapsed - iolog->avg_last[ddir];
2412 if (elapsed < iolog->avg_last[ddir])
2413 return iolog->avg_last[ddir] - elapsed;
f5a568cf 2414 else if (this_window < iolog->avg_msec) {
674456bf 2415 unsigned long diff = iolog->avg_msec - this_window;
d454a205 2416
b392f36d 2417 if (inline_log(iolog) || diff > LOG_MSEC_SLACK)
d454a205
JA		 2418 return diff;
2419 }
b8bc8cba 2420
8355119b 2421 __add_stat_to_log(iolog, ddir, elapsed, td->o.log_max != 0);
b8bc8cba 2422
8355119b 2423 iolog->avg_last[ddir] = elapsed - (this_window - iolog->avg_msec);
d454a205 2424 return iolog->avg_msec;
99007068 2425}
6eaf09d6 2426
a47591e4 2427void finalize_logs(struct thread_data *td, bool unit_logs)
99007068
PO		 2428{
2429 unsigned long elapsed;
6eaf09d6 2430
99007068 2431 elapsed = mtime_since_now(&td->epoch);
b8bc8cba 2432
a47591e4 2433 if (td->clat_log && unit_logs)
e6989e10 2434 _add_stat_to_log(td->clat_log, elapsed, td->o.log_max != 0);
a47591e4 2435 if (td->slat_log && unit_logs)
e6989e10 2436 _add_stat_to_log(td->slat_log, elapsed, td->o.log_max != 0);
a47591e4 2437 if (td->lat_log && unit_logs)
e6989e10 2438 _add_stat_to_log(td->lat_log, elapsed, td->o.log_max != 0);
a47591e4 2439 if (td->bw_log && (unit_logs == per_unit_log(td->bw_log)))
e6989e10 2440 _add_stat_to_log(td->bw_log, elapsed, td->o.log_max != 0);
a47591e4 2441 if (td->iops_log && (unit_logs == per_unit_log(td->iops_log)))
e6989e10 2442 _add_stat_to_log(td->iops_log, elapsed, td->o.log_max != 0);
bb3884d8
JA		 2443}
2444
5fff9543 2445void add_agg_sample(union io_sample_data data, enum fio_ddir ddir, unsigned long long bs)
bb3884d8 2446{
ff58fced 2447 struct io_log *iolog;
bb3884d8 2448
ff58fced
JA		 2449 if (!ddir_rw(ddir))
2450 return;
2451
2452 iolog = agg_io_log[ddir];
af2fde19 2453 __add_log_sample(iolog, data, ddir, bs, mtime_since_genesis(), 0);
bb3884d8
JA		 2454}
2455
b2b3eefe
JA		 2456void add_sync_clat_sample(struct thread_stat *ts, unsigned long long nsec)
2457{
2458 unsigned int idx = plat_val_to_idx(nsec);
2459 assert(idx < FIO_IO_U_PLAT_NR);
2460
2461 ts->io_u_sync_plat[idx]++;
2462 add_stat_sample(&ts->sync_stat, nsec);
2463}
2464
83349190 2465static void add_clat_percentile_sample(struct thread_stat *ts,
d6bb626e 2466 unsigned long long nsec, enum fio_ddir ddir)
83349190 2467{
d6bb626e 2468 unsigned int idx = plat_val_to_idx(nsec);
83349190
YH		 2469 assert(idx < FIO_IO_U_PLAT_NR);
2470
2471 ts->io_u_plat[ddir][idx]++;
2472}
2473
1e97cce9 2474void add_clat_sample(struct thread_data *td, enum fio_ddir ddir,
5fff9543
JF		 2475 unsigned long long nsec, unsigned long long bs,
2476 uint64_t offset)
3c39a379 2477{
26b3a188 2478 const bool needs_lock = td_async_processing(td);
1e613c9c 2479 unsigned long elapsed, this_window;
756867bd 2480 struct thread_stat *ts = &td->ts;
1e613c9c 2481 struct io_log *iolog = td->clat_hist_log;
079ad09b 2482
26b3a188
JA		 2483 if (needs_lock)
2484 __td_io_u_lock(td);
75dc383e 2485
d6bb626e 2486 add_stat_sample(&ts->clat_stat[ddir], nsec);
3c39a379 2487
7b9f733a 2488 if (td->clat_log)
d6bb626e 2489 add_log_sample(td, td->clat_log, sample_val(nsec), ddir, bs,
af2fde19 2490 offset);
83349190
YH		 2491
2492 if (ts->clat_percentiles)
d6bb626e 2493 add_clat_percentile_sample(ts, nsec, ddir);
75dc383e 2494
1e613c9c 2495 if (iolog && iolog->hist_msec) {
93168285
JA		 2496 struct io_hist *hw = &iolog->hist_window[ddir];
2497
2498 hw->samples++;
1e613c9c 2499 elapsed = mtime_since_now(&td->epoch);
93168285 2500 if (!hw->hist_last)
1e613c9c
KC		 2501 hw->hist_last = elapsed;
2502 this_window = elapsed - hw->hist_last;
2503
2504 if (this_window >= iolog->hist_msec) {
6cc0e5aa 2505 uint64_t *io_u_plat;
65a4d15c 2506 struct io_u_plat_entry *dst;
93168285 2507
1e613c9c 2508 /*
93168285
JA		 2509 * Make a byte-for-byte copy of the latency histogram
2510 * stored in td->ts.io_u_plat[ddir], recording it in a
2511 * log sample. Note that the matching call to free() is
2512 * located in iolog.c after printing this sample to the
2513 * log file.
1e613c9c 2514 */
6cc0e5aa 2515 io_u_plat = (uint64_t *) td->ts.io_u_plat[ddir];
65a4d15c
KC		 2516 dst = malloc(sizeof(struct io_u_plat_entry));
2517 memcpy(&(dst->io_u_plat), io_u_plat,
93168285 2518 FIO_IO_U_PLAT_NR * sizeof(unsigned int));
d730bc58 2519 flist_add(&dst->list, &hw->list);
af2fde19 2520 __add_log_sample(iolog, sample_plat(dst), ddir, bs,
93168285 2521 elapsed, offset);
1e613c9c
KC		 2522
2523 /*
93168285
JA		 2524 * Update the last time we recorded as being now, minus
2525 * any drift in time we encountered before actually
2526 * making the record.
1e613c9c
KC		 2527 */
2528 hw->hist_last = elapsed - (this_window - iolog->hist_msec);
2529 hw->samples = 0;
2530 }
2531 }
2532
26b3a188
JA		 2533 if (needs_lock)
2534 __td_io_u_unlock(td);
3c39a379
JA		 2535}
2536
1e97cce9 2537void add_slat_sample(struct thread_data *td, enum fio_ddir ddir,
5fff9543 2538 unsigned long usec, unsigned long long bs, uint64_t offset)
3c39a379 2539{
26b3a188 2540 const bool needs_lock = td_async_processing(td);
756867bd 2541 struct thread_stat *ts = &td->ts;
079ad09b 2542
ff58fced
JA		 2543 if (!ddir_rw(ddir))
2544 return;
2545
26b3a188
JA		 2546 if (needs_lock)
2547 __td_io_u_lock(td);
75dc383e 2548
d85f5118 2549 add_stat_sample(&ts->slat_stat[ddir], usec);
3c39a379 2550
7b9f733a 2551 if (td->slat_log)
af2fde19 2552 add_log_sample(td, td->slat_log, sample_val(usec), ddir, bs, offset);
75dc383e 2553
26b3a188
JA		 2554 if (needs_lock)
2555 __td_io_u_unlock(td);
3c39a379
JA		 2556}
2557
02af0988 2558void add_lat_sample(struct thread_data *td, enum fio_ddir ddir,
5fff9543
JF		 2559 unsigned long long nsec, unsigned long long bs,
2560 uint64_t offset)
02af0988 2561{
26b3a188 2562 const bool needs_lock = td_async_processing(td);
02af0988
JA		 2563 struct thread_stat *ts = &td->ts;
2564
ff58fced
JA		 2565 if (!ddir_rw(ddir))
2566 return;
2567
26b3a188
JA		 2568 if (needs_lock)
2569 __td_io_u_lock(td);
75dc383e 2570
d6bb626e 2571 add_stat_sample(&ts->lat_stat[ddir], nsec);
02af0988 2572
7b9f733a 2573 if (td->lat_log)
d6bb626e 2574 add_log_sample(td, td->lat_log, sample_val(nsec), ddir, bs,
af2fde19 2575 offset);
75dc383e 2576
b599759b
JA		 2577 if (ts->lat_percentiles)
2578 add_clat_percentile_sample(ts, nsec, ddir);
2579
26b3a188
JA		 2580 if (needs_lock)
2581 __td_io_u_unlock(td);
02af0988
JA		 2582}
2583
a47591e4 2584void add_bw_sample(struct thread_data *td, struct io_u *io_u,
d6bb626e 2585 unsigned int bytes, unsigned long long spent)
a47591e4 2586{
26b3a188 2587 const bool needs_lock = td_async_processing(td);
a47591e4
JA		 2588 struct thread_stat *ts = &td->ts;
2589 unsigned long rate;
2590
2591 if (spent)
d6bb626e 2592 rate = (unsigned long) (bytes * 1000000ULL / spent);
a47591e4
JA		 2593 else
2594 rate = 0;
2595
26b3a188
JA		 2596 if (needs_lock)
2597 __td_io_u_lock(td);
a47591e4
JA		 2598
2599 add_stat_sample(&ts->bw_stat[io_u->ddir], rate);
2600
2601 if (td->bw_log)
af2fde19
SW		 2602 add_log_sample(td, td->bw_log, sample_val(rate), io_u->ddir,
2603 bytes, io_u->offset);
a47591e4
JA		 2604
2605 td->stat_io_bytes[io_u->ddir] = td->this_io_bytes[io_u->ddir];
26b3a188
JA		 2606
2607 if (needs_lock)
2608 __td_io_u_unlock(td);
a47591e4
JA		 2609}
2610
8b6a404c
VF		 2611static int __add_samples(struct thread_data *td, struct timespec *parent_tv,
2612 struct timespec *t, unsigned int avg_time,
4843277a
JA		 2613 uint64_t *this_io_bytes, uint64_t *stat_io_bytes,
2614 struct io_stat *stat, struct io_log *log,
2615 bool is_kb)
3c39a379 2616{
26b3a188 2617 const bool needs_lock = td_async_processing(td);
ff58fced 2618 unsigned long spent, rate;
a47591e4 2619 enum fio_ddir ddir;
674456bf 2620 unsigned long next, next_log;
d454a205 2621
4843277a 2622 next_log = avg_time;
ff58fced 2623
4843277a
JA		 2624 spent = mtime_since(parent_tv, t);
2625 if (spent < avg_time && avg_time - spent >= LOG_MSEC_SLACK)
2626 return avg_time - spent;
9602d8df 2627
26b3a188
JA		 2628 if (needs_lock)
2629 __td_io_u_lock(td);
a9da8ab2 2630
9602d8df 2631 /*
5daa4ebe
JC		 2632 * Compute both read and write rates for the interval.
2633 */
c1f50f76 2634 for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++) {
5daa4ebe
JC		 2635 uint64_t delta;
2636
4843277a 2637 delta = this_io_bytes[ddir] - stat_io_bytes[ddir];
5daa4ebe
JC		 2638 if (!delta)
2639 continue; /* No entries for interval */
3c39a379 2640
4843277a
JA		 2641 if (spent) {
2642 if (is_kb)
2643 rate = delta * 1000 / spent / 1024; /* KiB/s */
2644 else
2645 rate = (delta * 1000) / spent;
2646 } else
0956264f
JA		 2647 rate = 0;
2648
4843277a 2649 add_stat_sample(&stat[ddir], rate);
3c39a379 2650
37181709 2651 if (log) {
5fff9543 2652 unsigned long long bs = 0;
66b98c9f
JA		 2653
2654 if (td->o.min_bs[ddir] == td->o.max_bs[ddir])
2655 bs = td->o.min_bs[ddir];
2656
4843277a 2657 next = add_log_sample(td, log, sample_val(rate), ddir, bs, 0);
d454a205 2658 next_log = min(next_log, next);
66b98c9f 2659 }
5daa4ebe 2660
4843277a 2661 stat_io_bytes[ddir] = this_io_bytes[ddir];
5daa4ebe 2662 }
3c39a379 2663
8b6a404c 2664 timespec_add_msec(parent_tv, avg_time);
a47591e4 2665
26b3a188
JA		 2666 if (needs_lock)
2667 __td_io_u_unlock(td);
a47591e4 2668
4843277a
JA		 2669 if (spent <= avg_time)
2670 next = avg_time;
306fea38 2671 else
4843277a 2672 next = avg_time - (1 + spent - avg_time);
a47591e4 2673
d454a205 2674 return min(next, next_log);
a47591e4
JA		 2675}
2676
8b6a404c 2677static int add_bw_samples(struct thread_data *td, struct timespec *t)
4843277a
JA		 2678{
2679 return __add_samples(td, &td->bw_sample_time, t, td->o.bw_avg_time,
2680 td->this_io_bytes, td->stat_io_bytes,
2681 td->ts.bw_stat, td->bw_log, true);
2682}
2683
a47591e4
JA		 2684void add_iops_sample(struct thread_data *td, struct io_u *io_u,
2685 unsigned int bytes)
2686{
26b3a188 2687 const bool needs_lock = td_async_processing(td);
a47591e4
JA		 2688 struct thread_stat *ts = &td->ts;
2689
26b3a188
JA		 2690 if (needs_lock)
2691 __td_io_u_lock(td);
a47591e4
JA		 2692
2693 add_stat_sample(&ts->iops_stat[io_u->ddir], 1);
2694
2695 if (td->iops_log)
af2fde19
SW		 2696 add_log_sample(td, td->iops_log, sample_val(1), io_u->ddir,
2697 bytes, io_u->offset);
a47591e4
JA		 2698
2699 td->stat_io_blocks[io_u->ddir] = td->this_io_blocks[io_u->ddir];
26b3a188
JA		 2700
2701 if (needs_lock)
2702 __td_io_u_unlock(td);
3c39a379 2703}
c8eeb9df 2704
8b6a404c 2705static int add_iops_samples(struct thread_data *td, struct timespec *t)
c8eeb9df 2706{
4843277a
JA		 2707 return __add_samples(td, &td->iops_sample_time, t, td->o.iops_avg_time,
2708 td->this_io_blocks, td->stat_io_blocks,
2709 td->ts.iops_stat, td->iops_log, false);
a47591e4
JA		 2710}
2711
2712/*
2713 * Returns msecs to next event
2714 */
2715int calc_log_samples(void)
2716{
2717 struct thread_data *td;
2718 unsigned int next = ~0U, tmp;
8b6a404c 2719 struct timespec now;
a47591e4
JA		 2720 int i;
2721
2722 fio_gettime(&now, NULL);
2723
2724 for_each_td(td, i) {
8243be59
JA		 2725 if (!td->o.stats)
2726 continue;
6a89b401 2727 if (in_ramp_time(td) ||
a47591e4
JA		 2728 !(td->runstate == TD_RUNNING || td->runstate == TD_VERIFYING)) {
2729 next = min(td->o.iops_avg_time, td->o.bw_avg_time);
2730 continue;
2731 }
37181709
AH		 2732 if (!td->bw_log ||
2733 (td->bw_log && !per_unit_log(td->bw_log))) {
a47591e4
JA		 2734 tmp = add_bw_samples(td, &now);
2735 if (tmp < next)
2736 next = tmp;
2737 }
37181709
AH		 2738 if (!td->iops_log ||
2739 (td->iops_log && !per_unit_log(td->iops_log))) {
a47591e4
JA		 2740 tmp = add_iops_samples(td, &now);
2741 if (tmp < next)
2742 next = tmp;
2743 }
2744 }
2745
2746 return next == ~0U ? 0 : next;
c8eeb9df 2747}
cef9175e
JA		 2748
2749void stat_init(void)
2750{
971caeb1 2751 stat_sem = fio_sem_init(FIO_SEM_UNLOCKED);
cef9175e
JA		 2752}
2753
2754void stat_exit(void)
2755{
2756 /*
2757 * When we have the mutex, we know out-of-band access to it
2758 * have ended.
2759 */
971caeb1
BVA		 2760 fio_sem_down(stat_sem);
2761 fio_sem_remove(stat_sem);
cef9175e 2762}
b2ee7647 2763
b2ee7647
JA		 2764/*
2765 * Called from signal handler. Wake up status thread.
2766 */
2767void show_running_run_stats(void)
2768{
a47591e4 2769 helper_do_stat();
b2ee7647 2770}
66347cfa
DE		 2771
2772uint32_t *io_u_block_info(struct thread_data *td, struct io_u *io_u)
2773{
2774 /* Ignore io_u's which span multiple blocks--they will just get
2775 * inaccurate counts. */
2776 int idx = (io_u->offset - io_u->file->file_offset)
2777 / td->o.bs[DDIR_TRIM];
2778 uint32_t *info = &td->ts.block_infos[idx];
2779 assert(idx < td->ts.nr_block_infos);
2780 return info;
2781}
fio - Flexible IO Tester