Remove show_run_stats() because it has no callers
[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"
3c39a379 17
674456bf 18#define LOG_MSEC_SLACK 1
d454a205 19
971caeb1 20struct fio_sem *stat_sem;
cef9175e 21
210dd0fc
JA
22void clear_rusage_stat(struct thread_data *td)
23{
24 struct thread_stat *ts = &td->ts;
25
26 fio_getrusage(&td->ru_start);
27 ts->usr_time = ts->sys_time = 0;
28 ts->ctx = 0;
29 ts->minf = ts->majf = 0;
30}
31
3c39a379
JA
32void update_rusage_stat(struct thread_data *td)
33{
756867bd 34 struct thread_stat *ts = &td->ts;
3c39a379 35
44404c5a 36 fio_getrusage(&td->ru_end);
8b6a404c 37 ts->usr_time += mtime_since_tv(&td->ru_start.ru_utime,
c8aaba19 38 &td->ru_end.ru_utime);
8b6a404c 39 ts->sys_time += mtime_since_tv(&td->ru_start.ru_stime,
c8aaba19
JA
40 &td->ru_end.ru_stime);
41 ts->ctx += td->ru_end.ru_nvcsw + td->ru_end.ru_nivcsw
42 - (td->ru_start.ru_nvcsw + td->ru_start.ru_nivcsw);
43 ts->minf += td->ru_end.ru_minflt - td->ru_start.ru_minflt;
44 ts->majf += td->ru_end.ru_majflt - td->ru_start.ru_majflt;
5ec10eaa 45
c8aaba19 46 memcpy(&td->ru_start, &td->ru_end, sizeof(td->ru_end));
3c39a379
JA
47}
48
83349190
YH
49/*
50 * Given a latency, return the index of the corresponding bucket in
51 * the structure tracking percentiles.
52 *
53 * (1) find the group (and error bits) that the value (latency)
54 * belongs to by looking at its MSB. (2) find the bucket number in the
55 * group by looking at the index bits.
56 *
57 */
d6bb626e 58static unsigned int plat_val_to_idx(unsigned long long val)
83349190
YH
59{
60 unsigned int msb, error_bits, base, offset, idx;
61
62 /* Find MSB starting from bit 0 */
63 if (val == 0)
64 msb = 0;
65 else
d6bb626e 66 msb = (sizeof(val)*8) - __builtin_clzll(val) - 1;
83349190 67
716050f2
JA
68 /*
69 * MSB <= (FIO_IO_U_PLAT_BITS-1), cannot be rounded off. Use
70 * all bits of the sample as index
71 */
83349190
YH
72 if (msb <= FIO_IO_U_PLAT_BITS)
73 return val;
74
75 /* Compute the number of error bits to discard*/
76 error_bits = msb - FIO_IO_U_PLAT_BITS;
77
78 /* Compute the number of buckets before the group */
79 base = (error_bits + 1) << FIO_IO_U_PLAT_BITS;
80
716050f2
JA
81 /*
82 * Discard the error bits and apply the mask to find the
3c3ed070 83 * index for the buckets in the group
716050f2 84 */
83349190
YH
85 offset = (FIO_IO_U_PLAT_VAL - 1) & (val >> error_bits);
86
87 /* Make sure the index does not exceed (array size - 1) */
3c3ed070 88 idx = (base + offset) < (FIO_IO_U_PLAT_NR - 1) ?
83349190
YH
89 (base + offset) : (FIO_IO_U_PLAT_NR - 1);
90
91 return idx;
92}
93
94/*
95 * Convert the given index of the bucket array to the value
96 * represented by the bucket
97 */
129e4193 98static unsigned long long plat_idx_to_val(unsigned int idx)
83349190 99{
c8b44cfa
RL
100 unsigned int error_bits;
101 unsigned long long k, base;
83349190
YH
102
103 assert(idx < FIO_IO_U_PLAT_NR);
104
105 /* MSB <= (FIO_IO_U_PLAT_BITS-1), cannot be rounded off. Use
106 * all bits of the sample as index */
3c3ed070 107 if (idx < (FIO_IO_U_PLAT_VAL << 1))
83349190
YH
108 return idx;
109
110 /* Find the group and compute the minimum value of that group */
3c3ed070 111 error_bits = (idx >> FIO_IO_U_PLAT_BITS) - 1;
c8b44cfa 112 base = ((unsigned long long) 1) << (error_bits + FIO_IO_U_PLAT_BITS);
83349190
YH
113
114 /* Find its bucket number of the group */
115 k = idx % FIO_IO_U_PLAT_VAL;
116
117 /* Return the mean of the range of the bucket */
118 return base + ((k + 0.5) * (1 << error_bits));
119}
120
121static int double_cmp(const void *a, const void *b)
122{
802ad4a8
JA
123 const fio_fp64_t fa = *(const fio_fp64_t *) a;
124 const fio_fp64_t fb = *(const fio_fp64_t *) b;
83349190
YH
125 int cmp = 0;
126
802ad4a8 127 if (fa.u.f > fb.u.f)
83349190 128 cmp = 1;
802ad4a8 129 else if (fa.u.f < fb.u.f)
83349190
YH
130 cmp = -1;
131
132 return cmp;
133}
134
6cc0e5aa 135unsigned int calc_clat_percentiles(uint64_t *io_u_plat, unsigned long long nr,
d6bb626e
VF
136 fio_fp64_t *plist, unsigned long long **output,
137 unsigned long long *maxv, unsigned long long *minv)
83349190 138{
447b94e1 139 unsigned long long sum = 0;
1db92cb6
JA
140 unsigned int len, i, j = 0;
141 unsigned int oval_len = 0;
d6bb626e 142 unsigned long long *ovals = NULL;
8985b491 143 bool is_last;
1db92cb6 144
d6bb626e 145 *minv = -1ULL;
1db92cb6 146 *maxv = 0;
83349190 147
802ad4a8
JA
148 len = 0;
149 while (len < FIO_IO_U_LIST_MAX_LEN && plist[len].u.f != 0.0)
150 len++;
716050f2 151
351de8de 152 if (!len)
1db92cb6 153 return 0;
351de8de 154
716050f2 155 /*
802ad4a8
JA
156 * Sort the percentile list. Note that it may already be sorted if
157 * we are using the default values, but since it's a short list this
158 * isn't a worry. Also note that this does not work for NaN values.
716050f2 159 */
802ad4a8 160 if (len > 1)
3c3ed070 161 qsort((void *)plist, len, sizeof(plist[0]), double_cmp);
83349190 162
4f6f8298
JA
163 /*
164 * Calculate bucket values, note down max and min values
165 */
8985b491 166 is_last = false;
07511a63 167 for (i = 0; i < FIO_IO_U_PLAT_NR && !is_last; i++) {
83349190 168 sum += io_u_plat[i];
802ad4a8
JA
169 while (sum >= (plist[j].u.f / 100.0 * nr)) {
170 assert(plist[j].u.f <= 100.0);
83349190 171
4f6f8298
JA
172 if (j == oval_len) {
173 oval_len += 100;
d6bb626e 174 ovals = realloc(ovals, oval_len * sizeof(*ovals));
4f6f8298
JA
175 }
176
177 ovals[j] = plat_idx_to_val(i);
1db92cb6
JA
178 if (ovals[j] < *minv)
179 *minv = ovals[j];
180 if (ovals[j] > *maxv)
181 *maxv = ovals[j];
07511a63 182
8985b491 183 is_last = (j == len - 1) != 0;
07511a63
JA
184 if (is_last)
185 break;
186
4f6f8298
JA
187 j++;
188 }
189 }
83349190 190
1db92cb6
JA
191 *output = ovals;
192 return len;
193}
194
195/*
196 * Find and display the p-th percentile of clat
197 */
6cc0e5aa 198static void show_clat_percentiles(uint64_t *io_u_plat, unsigned long long nr,
a666cab8 199 fio_fp64_t *plist, unsigned int precision,
b2b3eefe 200 const char *pre, struct buf_output *out)
1db92cb6 201{
d6bb626e
VF
202 unsigned int divisor, len, i, j = 0;
203 unsigned long long minv, maxv;
204 unsigned long long *ovals;
8985b491 205 int per_line, scale_down, time_width;
8985b491 206 bool is_last;
eef02441 207 char fmt[32];
1db92cb6
JA
208
209 len = calc_clat_percentiles(io_u_plat, nr, plist, &ovals, &maxv, &minv);
b2b3eefe 210 if (!len || !ovals)
1db92cb6
JA
211 goto out;
212
4f6f8298 213 /*
d6bb626e
VF
214 * We default to nsecs, but if the value range is such that we
215 * should scale down to usecs or msecs, do that.
4f6f8298 216 */
d6bb626e
VF
217 if (minv > 2000000 && maxv > 99999999ULL) {
218 scale_down = 2;
219 divisor = 1000000;
b599759b 220 log_buf(out, " %s percentiles (msec):\n |", pre);
d6bb626e
VF
221 } else if (minv > 2000 && maxv > 99999) {
222 scale_down = 1;
223 divisor = 1000;
b599759b 224 log_buf(out, " %s percentiles (usec):\n |", pre);
4f6f8298
JA
225 } else {
226 scale_down = 0;
d6bb626e 227 divisor = 1;
b599759b 228 log_buf(out, " %s percentiles (nsec):\n |", pre);
4f6f8298 229 }
83349190 230
619adf9c 231
d6bb626e 232 time_width = max(5, (int) (log10(maxv / divisor) + 1));
74558486
JA
233 snprintf(fmt, sizeof(fmt), " %%%u.%ufth=[%%%dllu]%%c", precision + 3,
234 precision, time_width);
235 /* fmt will be something like " %5.2fth=[%4llu]%c" */
d6bb626e 236 per_line = (80 - 7) / (precision + 10 + time_width);
81ab0b3a 237
d6bb626e 238 for (j = 0; j < len; j++) {
4f6f8298 239 /* for formatting */
eef02441 240 if (j != 0 && (j % per_line) == 0)
a666cab8 241 log_buf(out, " |");
83349190 242
4f6f8298 243 /* end of the list */
8985b491 244 is_last = (j == len - 1) != 0;
83349190 245
d6bb626e 246 for (i = 0; i < scale_down; i++)
4f6f8298
JA
247 ovals[j] = (ovals[j] + 999) / 1000;
248
d6bb626e 249 log_buf(out, fmt, plist[j].u.f, ovals[j], is_last ? '\n' : ',');
4f6f8298
JA
250
251 if (is_last)
252 break;
253
eef02441 254 if ((j % per_line) == per_line - 1) /* for formatting */
a666cab8 255 log_buf(out, "\n");
83349190 256 }
4f6f8298 257
1db92cb6 258out:
4f6f8298
JA
259 if (ovals)
260 free(ovals);
83349190
YH
261}
262
74558486
JA
263bool calc_lat(struct io_stat *is, unsigned long long *min,
264 unsigned long long *max, double *mean, double *dev)
3c39a379 265{
ee0ccb79 266 double n = (double) is->samples;
3c39a379 267
ee0ccb79 268 if (n == 0)
8aa89d70 269 return false;
3c39a379
JA
270
271 *min = is->min_val;
272 *max = is->max_val;
802ad4a8 273 *mean = is->mean.u.f;
e6d276f2 274
68704084 275 if (n > 1.0)
802ad4a8 276 *dev = sqrt(is->S.u.f / (n - 1.0));
ef9c5c40 277 else
4b43f54e 278 *dev = 0;
ef9c5c40 279
8aa89d70 280 return true;
3c39a379
JA
281}
282
a666cab8 283void show_group_stats(struct group_run_stats *rs, struct buf_output *out)
3c39a379 284{
d694a6a7
RE
285 char *io, *agg, *min, *max;
286 char *ioalt, *aggalt, *minalt, *maxalt;
42da5c8b 287 const char *str[] = { " READ", " WRITE" , " TRIM"};
dbe1125e
JA
288 int i;
289
a666cab8 290 log_buf(out, "\nRun status group %d (all jobs):\n", rs->groupid);
3c39a379 291
6eaf09d6 292 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
90fef2d1
JA
293 const int i2p = is_power_of_2(rs->kb_base);
294
dbe1125e
JA
295 if (!rs->max_run[i])
296 continue;
297
e883cb35
JF
298 io = num2str(rs->iobytes[i], rs->sig_figs, 1, i2p, N2S_BYTE);
299 ioalt = num2str(rs->iobytes[i], rs->sig_figs, 1, !i2p, N2S_BYTE);
300 agg = num2str(rs->agg[i], rs->sig_figs, 1, i2p, rs->unit_base);
301 aggalt = num2str(rs->agg[i], rs->sig_figs, 1, !i2p, rs->unit_base);
302 min = num2str(rs->min_bw[i], rs->sig_figs, 1, i2p, rs->unit_base);
303 minalt = num2str(rs->min_bw[i], rs->sig_figs, 1, !i2p, rs->unit_base);
304 max = num2str(rs->max_bw[i], rs->sig_figs, 1, i2p, rs->unit_base);
305 maxalt = num2str(rs->max_bw[i], rs->sig_figs, 1, !i2p, rs->unit_base);
d694a6a7 306 log_buf(out, "%s: bw=%s (%s), %s-%s (%s-%s), io=%s (%s), run=%llu-%llumsec\n",
42da5c8b 307 rs->unified_rw_rep ? " MIXED" : str[i],
d694a6a7 308 agg, aggalt, min, max, minalt, maxalt, io, ioalt,
4e0a8fa2
JA
309 (unsigned long long) rs->min_run[i],
310 (unsigned long long) rs->max_run[i]);
dbe1125e 311
d694a6a7
RE
312 free(io);
313 free(agg);
314 free(min);
315 free(max);
316 free(ioalt);
317 free(aggalt);
318 free(minalt);
319 free(maxalt);
dbe1125e 320 }
3c39a379
JA
321}
322
6cc0e5aa 323void stat_calc_dist(uint64_t *map, unsigned long total, double *io_u_dist)
2270890c
JA
324{
325 int i;
326
327 /*
328 * Do depth distribution calculations
329 */
330 for (i = 0; i < FIO_IO_U_MAP_NR; i++) {
838bc709
JA
331 if (total) {
332 io_u_dist[i] = (double) map[i] / (double) total;
333 io_u_dist[i] *= 100.0;
334 if (io_u_dist[i] < 0.1 && map[i])
335 io_u_dist[i] = 0.1;
336 } else
337 io_u_dist[i] = 0.0;
2270890c
JA
338 }
339}
340
04a0feae 341static void stat_calc_lat(struct thread_stat *ts, double *dst,
6cc0e5aa 342 uint64_t *src, int nr)
2270890c 343{
d79db122 344 unsigned long total = ddir_rw_sum(ts->total_io_u);
2270890c
JA
345 int i;
346
347 /*
348 * Do latency distribution calculations
349 */
04a0feae 350 for (i = 0; i < nr; i++) {
838bc709
JA
351 if (total) {
352 dst[i] = (double) src[i] / (double) total;
353 dst[i] *= 100.0;
354 if (dst[i] < 0.01 && src[i])
355 dst[i] = 0.01;
356 } else
357 dst[i] = 0.0;
2270890c
JA
358 }
359}
360
247823cc
VF
361/*
362 * To keep the terse format unaltered, add all of the ns latency
363 * buckets to the first us latency bucket
364 */
52e4c651 365static void stat_calc_lat_nu(struct thread_stat *ts, double *io_u_lat_u)
247823cc
VF
366{
367 unsigned long ntotal = 0, total = ddir_rw_sum(ts->total_io_u);
368 int i;
369
370 stat_calc_lat(ts, io_u_lat_u, ts->io_u_lat_u, FIO_IO_U_LAT_U_NR);
371
372 for (i = 0; i < FIO_IO_U_LAT_N_NR; i++)
373 ntotal += ts->io_u_lat_n[i];
374
375 io_u_lat_u[0] += 100.0 * (double) ntotal / (double) total;
376}
377
d6bb626e
VF
378void stat_calc_lat_n(struct thread_stat *ts, double *io_u_lat)
379{
380 stat_calc_lat(ts, io_u_lat, ts->io_u_lat_n, FIO_IO_U_LAT_N_NR);
381}
382
e5bd1347 383void stat_calc_lat_u(struct thread_stat *ts, double *io_u_lat)
04a0feae
JA
384{
385 stat_calc_lat(ts, io_u_lat, ts->io_u_lat_u, FIO_IO_U_LAT_U_NR);
386}
387
e5bd1347 388void stat_calc_lat_m(struct thread_stat *ts, double *io_u_lat)
04a0feae
JA
389{
390 stat_calc_lat(ts, io_u_lat, ts->io_u_lat_m, FIO_IO_U_LAT_M_NR);
391}
392
74558486
JA
393static void display_lat(const char *name, unsigned long long min,
394 unsigned long long max, double mean, double dev,
395 struct buf_output *out)
ea2accc5 396{
d6bb626e 397 const char *base = "(nsec)";
b29ad562 398 char *minp, *maxp;
ea2accc5 399
d6bb626e 400 if (nsec_to_msec(&min, &max, &mean, &dev))
b29ad562 401 base = "(msec)";
d6bb626e
VF
402 else if (nsec_to_usec(&min, &max, &mean, &dev))
403 base = "(usec)";
b29ad562 404
d694a6a7
RE
405 minp = num2str(min, 6, 1, 0, N2S_NONE);
406 maxp = num2str(max, 6, 1, 0, N2S_NONE);
b29ad562 407
a666cab8 408 log_buf(out, " %s %s: min=%s, max=%s, avg=%5.02f,"
b29ad562
JA
409 " stdev=%5.02f\n", name, base, minp, maxp, mean, dev);
410
411 free(minp);
412 free(maxp);
ea2accc5
JA
413}
414
756867bd 415static void show_ddir_status(struct group_run_stats *rs, struct thread_stat *ts,
a666cab8 416 int ddir, struct buf_output *out)
3c39a379 417{
b2b3eefe 418 const char *str[] = { " read", "write", " trim", "sync" };
d6bb626e
VF
419 unsigned long runt;
420 unsigned long long min, max, bw, iops;
3c39a379 421 double mean, dev;
d694a6a7 422 char *io_p, *bw_p, *bw_p_alt, *iops_p;
90fef2d1 423 int i2p;
3c39a379 424
b2b3eefe
JA
425 if (ddir_sync(ddir)) {
426 if (calc_lat(&ts->sync_stat, &min, &max, &mean, &dev)) {
427 log_buf(out, " %s:\n", "fsync/fdatasync/sync_file_range");
428 display_lat(str[ddir], min, max, mean, dev, out);
429 show_clat_percentiles(ts->io_u_sync_plat,
430 ts->sync_stat.samples,
431 ts->percentile_list,
432 ts->percentile_precision,
433 str[ddir], out);
434 }
435 return;
436 }
437
ff58fced
JA
438 assert(ddir_rw(ddir));
439
756867bd 440 if (!ts->runtime[ddir])
3c39a379
JA
441 return;
442
90fef2d1 443 i2p = is_power_of_2(rs->kb_base);
8879fd15
JA
444 runt = ts->runtime[ddir];
445
446 bw = (1000 * ts->io_bytes[ddir]) / runt;
e883cb35
JF
447 io_p = num2str(ts->io_bytes[ddir], ts->sig_figs, 1, i2p, N2S_BYTE);
448 bw_p = num2str(bw, ts->sig_figs, 1, i2p, ts->unit_base);
449 bw_p_alt = num2str(bw, ts->sig_figs, 1, !i2p, ts->unit_base);
8879fd15 450
0aacc50c 451 iops = (1000 * (uint64_t)ts->total_io_u[ddir]) / runt;
e883cb35 452 iops_p = num2str(iops, ts->sig_figs, 1, 0, N2S_NONE);
dbe1125e 453
d694a6a7
RE
454 log_buf(out, " %s: IOPS=%s, BW=%s (%s)(%s/%llumsec)\n",
455 rs->unified_rw_rep ? "mixed" : str[ddir],
456 iops_p, bw_p, bw_p_alt, io_p,
457 (unsigned long long) ts->runtime[ddir]);
dbe1125e
JA
458
459 free(io_p);
460 free(bw_p);
d694a6a7 461 free(bw_p_alt);
b3605062 462 free(iops_p);
3c39a379 463
b29ad562 464 if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev))
a666cab8 465 display_lat("slat", min, max, mean, dev, out);
b29ad562 466 if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev))
a666cab8 467 display_lat("clat", min, max, mean, dev, out);
b29ad562 468 if (calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev))
a666cab8 469 display_lat(" lat", min, max, mean, dev, out);
02af0988 470
b599759b 471 if (ts->clat_percentiles || ts->lat_percentiles) {
b2b3eefe 472 const char *name = ts->clat_percentiles ? "clat" : " lat";
af1600c1
SW
473 uint64_t samples;
474
475 if (ts->clat_percentiles)
476 samples = ts->clat_stat[ddir].samples;
477 else
478 samples = ts->lat_stat[ddir].samples;
479
83349190 480 show_clat_percentiles(ts->io_u_plat[ddir],
af1600c1 481 samples,
435d195a 482 ts->percentile_list,
b2b3eefe 483 ts->percentile_precision, name, out);
83349190 484 }
079ad09b 485 if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) {
142c7f2d 486 double p_of_agg = 100.0, fkb_base = (double)rs->kb_base;
d694a6a7
RE
487 const char *bw_str;
488
489 if ((rs->unit_base == 1) && i2p)
490 bw_str = "Kibit";
491 else if (rs->unit_base == 1)
492 bw_str = "kbit";
493 else if (i2p)
494 bw_str = "KiB";
495 else
496 bw_str = "kB";
d686990a 497
d1707474
SW
498 if (rs->agg[ddir]) {
499 p_of_agg = mean * 100 / (double) (rs->agg[ddir] / 1024);
500 if (p_of_agg > 100.0)
501 p_of_agg = 100.0;
502 }
503
d686990a
SN
504 if (rs->unit_base == 1) {
505 min *= 8.0;
506 max *= 8.0;
507 mean *= 8.0;
508 dev *= 8.0;
509 }
3c39a379 510
142c7f2d
SN
511 if (mean > fkb_base * fkb_base) {
512 min /= fkb_base;
513 max /= fkb_base;
514 mean /= fkb_base;
515 dev /= fkb_base;
d694a6a7 516 bw_str = (rs->unit_base == 1 ? "Mibit" : "MiB");
b7017e32
JA
517 }
518
54c05828 519 log_buf(out, " bw (%5s/s): min=%5llu, max=%5llu, per=%3.2f%%, "
29eb371b 520 "avg=%5.02f, stdev=%5.02f, samples=%" PRIu64 "\n",
54c05828
AH
521 bw_str, min, max, p_of_agg, mean, dev,
522 (&ts->bw_stat[ddir])->samples);
3c39a379 523 }
188b6016 524 if (calc_lat(&ts->iops_stat[ddir], &min, &max, &mean, &dev)) {
21ba6606 525 log_buf(out, " iops : min=%5llu, max=%5llu, "
29eb371b 526 "avg=%5.02f, stdev=%5.02f, samples=%" PRIu64 "\n",
54c05828 527 min, max, mean, dev, (&ts->iops_stat[ddir])->samples);
188b6016 528 }
3c39a379
JA
529}
530
8985b491
JA
531static bool show_lat(double *io_u_lat, int nr, const char **ranges,
532 const char *msg, struct buf_output *out)
04a0feae 533{
8985b491
JA
534 bool new_line = true, shown = false;
535 int i, line = 0;
04a0feae
JA
536
537 for (i = 0; i < nr; i++) {
538 if (io_u_lat[i] <= 0.0)
539 continue;
8985b491 540 shown = true;
04a0feae 541 if (new_line) {
4539ed73 542 if (line)
a666cab8 543 log_buf(out, "\n");
4a19fcaa 544 log_buf(out, " lat (%s) : ", msg);
8985b491 545 new_line = false;
04a0feae
JA
546 line = 0;
547 }
548 if (line)
a666cab8
JA
549 log_buf(out, ", ");
550 log_buf(out, "%s%3.2f%%", ranges[i], io_u_lat[i]);
04a0feae
JA
551 line++;
552 if (line == 5)
8985b491 553 new_line = true;
04a0feae 554 }
7e1773ba
JA
555
556 if (shown)
a666cab8 557 log_buf(out, "\n");
7e1773ba 558
8985b491 559 return true;
04a0feae
JA
560}
561
d6bb626e
VF
562static void show_lat_n(double *io_u_lat_n, struct buf_output *out)
563{
564 const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=",
565 "250=", "500=", "750=", "1000=", };
566
567 show_lat(io_u_lat_n, FIO_IO_U_LAT_N_NR, ranges, "nsec", out);
568}
569
a666cab8 570static void show_lat_u(double *io_u_lat_u, struct buf_output *out)
04a0feae
JA
571{
572 const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=",
573 "250=", "500=", "750=", "1000=", };
574
a666cab8 575 show_lat(io_u_lat_u, FIO_IO_U_LAT_U_NR, ranges, "usec", out);
04a0feae
JA
576}
577
a666cab8 578static void show_lat_m(double *io_u_lat_m, struct buf_output *out)
04a0feae
JA
579{
580 const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=",
581 "250=", "500=", "750=", "1000=", "2000=",
582 ">=2000=", };
583
a666cab8 584 show_lat(io_u_lat_m, FIO_IO_U_LAT_M_NR, ranges, "msec", out);
04a0feae
JA
585}
586
a666cab8 587static void show_latencies(struct thread_stat *ts, struct buf_output *out)
04a0feae 588{
d6bb626e 589 double io_u_lat_n[FIO_IO_U_LAT_N_NR];
c551f65a
JA
590 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
591 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
592
d6bb626e 593 stat_calc_lat_n(ts, io_u_lat_n);
5a18988e
JA
594 stat_calc_lat_u(ts, io_u_lat_u);
595 stat_calc_lat_m(ts, io_u_lat_m);
596
d6bb626e 597 show_lat_n(io_u_lat_n, out);
a666cab8
JA
598 show_lat_u(io_u_lat_u, out);
599 show_lat_m(io_u_lat_m, out);
04a0feae
JA
600}
601
66347cfa
DE
602static int block_state_category(int block_state)
603{
604 switch (block_state) {
605 case BLOCK_STATE_UNINIT:
606 return 0;
607 case BLOCK_STATE_TRIMMED:
608 case BLOCK_STATE_WRITTEN:
609 return 1;
610 case BLOCK_STATE_WRITE_FAILURE:
611 case BLOCK_STATE_TRIM_FAILURE:
612 return 2;
613 default:
081c2dc3 614 /* Silence compile warning on some BSDs and have a return */
66347cfa 615 assert(0);
07ff5841 616 return -1;
66347cfa
DE
617 }
618}
619
620static int compare_block_infos(const void *bs1, const void *bs2)
621{
622 uint32_t block1 = *(uint32_t *)bs1;
623 uint32_t block2 = *(uint32_t *)bs2;
624 int state1 = BLOCK_INFO_STATE(block1);
625 int state2 = BLOCK_INFO_STATE(block2);
626 int bscat1 = block_state_category(state1);
627 int bscat2 = block_state_category(state2);
628 int cycles1 = BLOCK_INFO_TRIMS(block1);
629 int cycles2 = BLOCK_INFO_TRIMS(block2);
630
631 if (bscat1 < bscat2)
632 return -1;
633 if (bscat1 > bscat2)
634 return 1;
635
636 if (cycles1 < cycles2)
637 return -1;
638 if (cycles1 > cycles2)
639 return 1;
640
641 if (state1 < state2)
642 return -1;
643 if (state1 > state2)
644 return 1;
645
646 assert(block1 == block2);
647 return 0;
648}
649
650static int calc_block_percentiles(int nr_block_infos, uint32_t *block_infos,
651 fio_fp64_t *plist, unsigned int **percentiles,
652 unsigned int *types)
653{
654 int len = 0;
655 int i, nr_uninit;
656
657 qsort(block_infos, nr_block_infos, sizeof(uint32_t), compare_block_infos);
658
659 while (len < FIO_IO_U_LIST_MAX_LEN && plist[len].u.f != 0.0)
660 len++;
661
662 if (!len)
663 return 0;
664
665 /*
666 * Sort the percentile list. Note that it may already be sorted if
667 * we are using the default values, but since it's a short list this
668 * isn't a worry. Also note that this does not work for NaN values.
669 */
670 if (len > 1)
671 qsort((void *)plist, len, sizeof(plist[0]), double_cmp);
672
66347cfa
DE
673 /* Start only after the uninit entries end */
674 for (nr_uninit = 0;
675 nr_uninit < nr_block_infos
676 && BLOCK_INFO_STATE(block_infos[nr_uninit]) == BLOCK_STATE_UNINIT;
677 nr_uninit ++)
678 ;
679
680 if (nr_uninit == nr_block_infos)
681 return 0;
682
683 *percentiles = calloc(len, sizeof(**percentiles));
684
685 for (i = 0; i < len; i++) {
686 int idx = (plist[i].u.f * (nr_block_infos - nr_uninit) / 100)
687 + nr_uninit;
688 (*percentiles)[i] = BLOCK_INFO_TRIMS(block_infos[idx]);
689 }
690
691 memset(types, 0, sizeof(*types) * BLOCK_STATE_COUNT);
692 for (i = 0; i < nr_block_infos; i++)
693 types[BLOCK_INFO_STATE(block_infos[i])]++;
694
695 return len;
696}
697
698static const char *block_state_names[] = {
699 [BLOCK_STATE_UNINIT] = "unwritten",
700 [BLOCK_STATE_TRIMMED] = "trimmed",
701 [BLOCK_STATE_WRITTEN] = "written",
702 [BLOCK_STATE_TRIM_FAILURE] = "trim failure",
703 [BLOCK_STATE_WRITE_FAILURE] = "write failure",
704};
705
706static void show_block_infos(int nr_block_infos, uint32_t *block_infos,
a666cab8 707 fio_fp64_t *plist, struct buf_output *out)
66347cfa
DE
708{
709 int len, pos, i;
710 unsigned int *percentiles = NULL;
711 unsigned int block_state_counts[BLOCK_STATE_COUNT];
712
713 len = calc_block_percentiles(nr_block_infos, block_infos, plist,
714 &percentiles, block_state_counts);
715
a666cab8 716 log_buf(out, " block lifetime percentiles :\n |");
66347cfa
DE
717 pos = 0;
718 for (i = 0; i < len; i++) {
719 uint32_t block_info = percentiles[i];
720#define LINE_LENGTH 75
721 char str[LINE_LENGTH];
722 int strln = snprintf(str, LINE_LENGTH, " %3.2fth=%u%c",
723 plist[i].u.f, block_info,
724 i == len - 1 ? '\n' : ',');
725 assert(strln < LINE_LENGTH);
726 if (pos + strln > LINE_LENGTH) {
727 pos = 0;
a666cab8 728 log_buf(out, "\n |");
66347cfa 729 }
a666cab8 730 log_buf(out, "%s", str);
66347cfa
DE
731 pos += strln;
732#undef LINE_LENGTH
733 }
734 if (percentiles)
735 free(percentiles);
736
a666cab8 737 log_buf(out, " states :");
66347cfa 738 for (i = 0; i < BLOCK_STATE_COUNT; i++)
a666cab8 739 log_buf(out, " %s=%u%c",
66347cfa
DE
740 block_state_names[i], block_state_counts[i],
741 i == BLOCK_STATE_COUNT - 1 ? '\n' : ',');
742}
743
d685adfb
VF
744static void show_ss_normal(struct thread_stat *ts, struct buf_output *out)
745{
d694a6a7 746 char *p1, *p1alt, *p2;
d685adfb
VF
747 unsigned long long bw_mean, iops_mean;
748 const int i2p = is_power_of_2(ts->kb_base);
749
0c13c969 750 if (!ts->ss_dur)
d685adfb
VF
751 return;
752
bb49c8bd
VF
753 bw_mean = steadystate_bw_mean(ts);
754 iops_mean = steadystate_iops_mean(ts);
d685adfb 755
e883cb35
JF
756 p1 = num2str(bw_mean / ts->kb_base, ts->sig_figs, ts->kb_base, i2p, ts->unit_base);
757 p1alt = num2str(bw_mean / ts->kb_base, ts->sig_figs, ts->kb_base, !i2p, ts->unit_base);
758 p2 = num2str(iops_mean, ts->sig_figs, 1, 0, N2S_NONE);
d685adfb 759
d694a6a7 760 log_buf(out, " steadystate : attained=%s, bw=%s (%s), iops=%s, %s%s=%.3f%s\n",
c8caba48 761 ts->ss_state & FIO_SS_ATTAINED ? "yes" : "no",
d694a6a7 762 p1, p1alt, p2,
c8caba48
JA
763 ts->ss_state & FIO_SS_IOPS ? "iops" : "bw",
764 ts->ss_state & FIO_SS_SLOPE ? " slope": " mean dev",
bb49c8bd 765 ts->ss_criterion.u.f,
c8caba48 766 ts->ss_state & FIO_SS_PCT ? "%" : "");
d685adfb
VF
767
768 free(p1);
d694a6a7 769 free(p1alt);
d685adfb
VF
770 free(p2);
771}
772
10aa136b 773static void show_thread_status_normal(struct thread_stat *ts,
a666cab8
JA
774 struct group_run_stats *rs,
775 struct buf_output *out)
3c39a379
JA
776{
777 double usr_cpu, sys_cpu;
69008999 778 unsigned long runtime;
71619dc2 779 double io_u_dist[FIO_IO_U_MAP_NR];
57a64324 780 time_t time_p;
35326842 781 char time_buf[32];
3c39a379 782
9966af7b 783 if (!ddir_rw_sum(ts->io_bytes) && !ddir_rw_sum(ts->total_io_u))
3c39a379 784 return;
33477b4b
JS
785
786 memset(time_buf, 0, sizeof(time_buf));
3c39a379 787
57a64324 788 time(&time_p);
45054cbe 789 os_ctime_r((const time_t *) &time_p, time_buf, sizeof(time_buf));
57a64324 790
5ec10eaa 791 if (!ts->error) {
a666cab8 792 log_buf(out, "%s: (groupid=%d, jobs=%d): err=%2d: pid=%d: %s",
5ec10eaa 793 ts->name, ts->groupid, ts->members,
57a64324 794 ts->error, (int) ts->pid, time_buf);
5ec10eaa 795 } else {
a666cab8 796 log_buf(out, "%s: (groupid=%d, jobs=%d): err=%2d (%s): pid=%d: %s",
5ec10eaa 797 ts->name, ts->groupid, ts->members,
57a64324
JA
798 ts->error, ts->verror, (int) ts->pid,
799 time_buf);
5ec10eaa 800 }
3c39a379 801
259e47de 802 if (strlen(ts->description))
a666cab8 803 log_buf(out, " Description : [%s]\n", ts->description);
7bdce1bd 804
756867bd 805 if (ts->io_bytes[DDIR_READ])
a666cab8 806 show_ddir_status(rs, ts, DDIR_READ, out);
756867bd 807 if (ts->io_bytes[DDIR_WRITE])
a666cab8 808 show_ddir_status(rs, ts, DDIR_WRITE, out);
6eaf09d6 809 if (ts->io_bytes[DDIR_TRIM])
a666cab8 810 show_ddir_status(rs, ts, DDIR_TRIM, out);
3c39a379 811
a666cab8 812 show_latencies(ts, out);
7e1773ba 813
b2b3eefe
JA
814 if (ts->sync_stat.samples)
815 show_ddir_status(rs, ts, DDIR_SYNC, out);
816
756867bd 817 runtime = ts->total_run_time;
69008999 818 if (runtime) {
1e97cce9 819 double runt = (double) runtime;
3c39a379 820
756867bd
JA
821 usr_cpu = (double) ts->usr_time * 100 / runt;
822 sys_cpu = (double) ts->sys_time * 100 / runt;
3c39a379
JA
823 } else {
824 usr_cpu = 0;
825 sys_cpu = 0;
826 }
827
a666cab8 828 log_buf(out, " cpu : usr=%3.2f%%, sys=%3.2f%%, ctx=%llu,"
4e0a8fa2
JA
829 " majf=%llu, minf=%llu\n", usr_cpu, sys_cpu,
830 (unsigned long long) ts->ctx,
831 (unsigned long long) ts->majf,
832 (unsigned long long) ts->minf);
71619dc2 833
d79db122 834 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
a666cab8 835 log_buf(out, " IO depths : 1=%3.1f%%, 2=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%,"
5ec10eaa
JA
836 " 16=%3.1f%%, 32=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0],
837 io_u_dist[1], io_u_dist[2],
838 io_u_dist[3], io_u_dist[4],
839 io_u_dist[5], io_u_dist[6]);
838bc709
JA
840
841 stat_calc_dist(ts->io_u_submit, ts->total_submit, io_u_dist);
a666cab8 842 log_buf(out, " submit : 0=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%, 16=%3.1f%%,"
838bc709
JA
843 " 32=%3.1f%%, 64=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0],
844 io_u_dist[1], io_u_dist[2],
845 io_u_dist[3], io_u_dist[4],
846 io_u_dist[5], io_u_dist[6]);
847 stat_calc_dist(ts->io_u_complete, ts->total_complete, io_u_dist);
a666cab8 848 log_buf(out, " complete : 0=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%, 16=%3.1f%%,"
838bc709
JA
849 " 32=%3.1f%%, 64=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0],
850 io_u_dist[1], io_u_dist[2],
851 io_u_dist[3], io_u_dist[4],
852 io_u_dist[5], io_u_dist[6]);
7f3ecee2
JA
853 log_buf(out, " issued rwts: total=%llu,%llu,%llu,%llu"
854 " short=%llu,%llu,%llu,0"
855 " dropped=%llu,%llu,%llu,0\n",
4e0a8fa2
JA
856 (unsigned long long) ts->total_io_u[0],
857 (unsigned long long) ts->total_io_u[1],
858 (unsigned long long) ts->total_io_u[2],
7f3ecee2 859 (unsigned long long) ts->total_io_u[3],
4e0a8fa2
JA
860 (unsigned long long) ts->short_io_u[0],
861 (unsigned long long) ts->short_io_u[1],
3bcb9d94
JA
862 (unsigned long long) ts->short_io_u[2],
863 (unsigned long long) ts->drop_io_u[0],
864 (unsigned long long) ts->drop_io_u[1],
865 (unsigned long long) ts->drop_io_u[2]);
f2bba182 866 if (ts->continue_on_error) {
a666cab8 867 log_buf(out, " errors : total=%llu, first_error=%d/<%s>\n",
4e0a8fa2 868 (unsigned long long)ts->total_err_count,
1ec99eea
JA
869 ts->first_error,
870 strerror(ts->first_error));
f2bba182 871 }
3e260a46 872 if (ts->latency_depth) {
a666cab8 873 log_buf(out, " latency : target=%llu, window=%llu, percentile=%.2f%%, depth=%u\n",
3e260a46
JA
874 (unsigned long long)ts->latency_target,
875 (unsigned long long)ts->latency_window,
876 ts->latency_percentile.u.f,
877 ts->latency_depth);
878 }
66347cfa
DE
879
880 if (ts->nr_block_infos)
881 show_block_infos(ts->nr_block_infos, ts->block_infos,
a666cab8 882 ts->percentile_list, out);
d685adfb 883
bb49c8bd 884 if (ts->ss_dur)
d685adfb 885 show_ss_normal(ts, out);
3c39a379
JA
886}
887
756867bd 888static void show_ddir_status_terse(struct thread_stat *ts,
a666cab8 889 struct group_run_stats *rs, int ddir,
a2c95580 890 int ver, struct buf_output *out)
c6ae0a5b 891{
d6bb626e
VF
892 unsigned long long min, max, minv, maxv, bw, iops;
893 unsigned long long *ovals = NULL;
c6ae0a5b 894 double mean, dev;
d6bb626e 895 unsigned int len;
a2c95580 896 int i, bw_stat;
c6ae0a5b 897
ff58fced
JA
898 assert(ddir_rw(ddir));
899
312b4af2
JA
900 iops = bw = 0;
901 if (ts->runtime[ddir]) {
902 uint64_t runt = ts->runtime[ddir];
903
420b104a 904 bw = ((1000 * ts->io_bytes[ddir]) / runt) / 1024; /* KiB/s */
312b4af2
JA
905 iops = (1000 * (uint64_t) ts->total_io_u[ddir]) / runt;
906 }
c6ae0a5b 907
a666cab8 908 log_buf(out, ";%llu;%llu;%llu;%llu",
4e0a8fa2
JA
909 (unsigned long long) ts->io_bytes[ddir] >> 10, bw, iops,
910 (unsigned long long) ts->runtime[ddir]);
c6ae0a5b 911
079ad09b 912 if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev))
247823cc 913 log_buf(out, ";%llu;%llu;%f;%f", min/1000, max/1000, mean/1000, dev/1000);
c6ae0a5b 914 else
d6bb626e 915 log_buf(out, ";%llu;%llu;%f;%f", 0ULL, 0ULL, 0.0, 0.0);
c6ae0a5b 916
079ad09b 917 if (calc_lat(&ts->clat_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
b599759b 922 if (ts->clat_percentiles || ts->lat_percentiles) {
1db92cb6
JA
923 len = calc_clat_percentiles(ts->io_u_plat[ddir],
924 ts->clat_stat[ddir].samples,
925 ts->percentile_list, &ovals, &maxv,
926 &minv);
927 } else
928 len = 0;
929
930 for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) {
931 if (i >= len) {
a666cab8 932 log_buf(out, ";0%%=0");
1db92cb6
JA
933 continue;
934 }
247823cc 935 log_buf(out, ";%f%%=%llu", ts->percentile_list[i].u.f, ovals[i]/1000);
1db92cb6 936 }
2341a37a
K
937
938 if (calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev))
247823cc 939 log_buf(out, ";%llu;%llu;%f;%f", min/1000, max/1000, mean/1000, dev/1000);
2341a37a 940 else
d6bb626e 941 log_buf(out, ";%llu;%llu;%f;%f", 0ULL, 0ULL, 0.0, 0.0);
2341a37a 942
1db92cb6
JA
943 if (ovals)
944 free(ovals);
945
a2c95580
AH
946 bw_stat = calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev);
947 if (bw_stat) {
19d3e967
JA
948 double p_of_agg = 100.0;
949
950 if (rs->agg[ddir]) {
d1707474 951 p_of_agg = mean * 100 / (double) (rs->agg[ddir] / 1024);
19d3e967
JA
952 if (p_of_agg > 100.0)
953 p_of_agg = 100.0;
954 }
c6ae0a5b 955
d6bb626e 956 log_buf(out, ";%llu;%llu;%f%%;%f;%f", min, max, p_of_agg, mean, dev);
c6ae0a5b 957 } else
d6bb626e 958 log_buf(out, ";%llu;%llu;%f%%;%f;%f", 0ULL, 0ULL, 0.0, 0.0, 0.0);
a2c95580
AH
959
960 if (ver == 5) {
961 if (bw_stat)
29eb371b 962 log_buf(out, ";%" PRIu64, (&ts->bw_stat[ddir])->samples);
a2c95580
AH
963 else
964 log_buf(out, ";%lu", 0UL);
965
966 if (calc_lat(&ts->iops_stat[ddir], &min, &max, &mean, &dev))
29eb371b 967 log_buf(out, ";%llu;%llu;%f;%f;%" PRIu64, min, max,
a2c95580
AH
968 mean, dev, (&ts->iops_stat[ddir])->samples);
969 else
970 log_buf(out, ";%llu;%llu;%f;%f;%lu", 0ULL, 0ULL, 0.0, 0.0, 0UL);
971 }
c6ae0a5b
JA
972}
973
cc372b17
SL
974static void add_ddir_status_json(struct thread_stat *ts,
975 struct group_run_stats *rs, int ddir, struct json_object *parent)
976{
d6bb626e 977 unsigned long long min, max, minv, maxv;
aedd021d 978 unsigned long long bw_bytes, bw;
d6bb626e 979 unsigned long long *ovals = NULL;
9f68fe3a 980 double mean, dev, iops;
d6bb626e 981 unsigned int len;
cc372b17 982 int i;
b2b3eefe 983 const char *ddirname[] = { "read", "write", "trim", "sync" };
24cab44e 984 struct json_object *dir_object, *tmp_object, *percentile_object, *clat_bins_object = NULL;
cc372b17
SL
985 char buf[120];
986 double p_of_agg = 100.0;
987
b2b3eefe 988 assert(ddir_rw(ddir) || ddir_sync(ddir));
cc372b17 989
771e58be
JA
990 if (ts->unified_rw_rep && ddir != DDIR_READ)
991 return;
992
cc372b17 993 dir_object = json_create_object();
771e58be
JA
994 json_object_add_value_object(parent,
995 ts->unified_rw_rep ? "mixed" : ddirname[ddir], dir_object);
cc372b17 996
b2b3eefe
JA
997 if (ddir_rw(ddir)) {
998 bw_bytes = 0;
999 bw = 0;
1000 iops = 0.0;
1001 if (ts->runtime[ddir]) {
1002 uint64_t runt = ts->runtime[ddir];
cc372b17 1003
b2b3eefe
JA
1004 bw_bytes = ((1000 * ts->io_bytes[ddir]) / runt); /* Bytes/s */
1005 bw = bw_bytes / 1024; /* KiB/s */
1006 iops = (1000.0 * (uint64_t) ts->total_io_u[ddir]) / runt;
1007 }
cc372b17 1008
b2b3eefe
JA
1009 json_object_add_value_int(dir_object, "io_bytes", ts->io_bytes[ddir]);
1010 json_object_add_value_int(dir_object, "io_kbytes", ts->io_bytes[ddir] >> 10);
1011 json_object_add_value_int(dir_object, "bw_bytes", bw_bytes);
1012 json_object_add_value_int(dir_object, "bw", bw);
1013 json_object_add_value_float(dir_object, "iops", iops);
1014 json_object_add_value_int(dir_object, "runtime", ts->runtime[ddir]);
1015 json_object_add_value_int(dir_object, "total_ios", ts->total_io_u[ddir]);
1016 json_object_add_value_int(dir_object, "short_ios", ts->short_io_u[ddir]);
1017 json_object_add_value_int(dir_object, "drop_ios", ts->drop_io_u[ddir]);
1018
1019 if (!calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev)) {
1020 min = max = 0;
1021 mean = dev = 0.0;
1022 }
1023 tmp_object = json_create_object();
1024 json_object_add_value_object(dir_object, "slat_ns", tmp_object);
1025 json_object_add_value_int(tmp_object, "min", min);
1026 json_object_add_value_int(tmp_object, "max", max);
1027 json_object_add_value_float(tmp_object, "mean", mean);
1028 json_object_add_value_float(tmp_object, "stddev", dev);
1029
1030 if (!calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev)) {
1031 min = max = 0;
1032 mean = dev = 0.0;
1033 }
1034 tmp_object = json_create_object();
1035 json_object_add_value_object(dir_object, "clat_ns", tmp_object);
1036 json_object_add_value_int(tmp_object, "min", min);
1037 json_object_add_value_int(tmp_object, "max", max);
1038 json_object_add_value_float(tmp_object, "mean", mean);
1039 json_object_add_value_float(tmp_object, "stddev", dev);
1040 } else {
1041 if (!calc_lat(&ts->sync_stat, &min, &max, &mean, &dev)) {
1042 min = max = 0;
1043 mean = dev = 0.0;
1044 }
cc372b17 1045
b2b3eefe
JA
1046 tmp_object = json_create_object();
1047 json_object_add_value_object(dir_object, "lat_ns", tmp_object);
f5ec8123 1048 json_object_add_value_int(dir_object, "total_ios", ts->total_io_u[DDIR_SYNC]);
b2b3eefe
JA
1049 json_object_add_value_int(tmp_object, "min", min);
1050 json_object_add_value_int(tmp_object, "max", max);
1051 json_object_add_value_float(tmp_object, "mean", mean);
1052 json_object_add_value_float(tmp_object, "stddev", dev);
cc372b17 1053 }
cc372b17 1054
b599759b 1055 if (ts->clat_percentiles || ts->lat_percentiles) {
b2b3eefe
JA
1056 if (ddir_rw(ddir)) {
1057 len = calc_clat_percentiles(ts->io_u_plat[ddir],
cc372b17
SL
1058 ts->clat_stat[ddir].samples,
1059 ts->percentile_list, &ovals, &maxv,
1060 &minv);
b2b3eefe
JA
1061 } else {
1062 len = calc_clat_percentiles(ts->io_u_sync_plat,
1063 ts->sync_stat.samples,
1064 ts->percentile_list, &ovals, &maxv,
1065 &minv);
1066 }
1067
702bd977
JA
1068 if (len > FIO_IO_U_LIST_MAX_LEN)
1069 len = FIO_IO_U_LIST_MAX_LEN;
cc372b17
SL
1070 } else
1071 len = 0;
1072
1073 percentile_object = json_create_object();
1074 json_object_add_value_object(tmp_object, "percentile", percentile_object);
702bd977 1075 for (i = 0; i < len; i++) {
435d195a 1076 snprintf(buf, sizeof(buf), "%f", ts->percentile_list[i].u.f);
cc372b17
SL
1077 json_object_add_value_int(percentile_object, (const char *)buf, ovals[i]);
1078 }
1079
513e37ee
VF
1080 if (output_format & FIO_OUTPUT_JSON_PLUS) {
1081 clat_bins_object = json_create_object();
24cab44e
VF
1082 if (ts->clat_percentiles)
1083 json_object_add_value_object(tmp_object, "bins", clat_bins_object);
1084
513e37ee 1085 for(i = 0; i < FIO_IO_U_PLAT_NR; i++) {
b2b3eefe
JA
1086 if (ddir_rw(ddir)) {
1087 if (ts->io_u_plat[ddir][i]) {
1088 snprintf(buf, sizeof(buf), "%llu", plat_idx_to_val(i));
1089 json_object_add_value_int(clat_bins_object, (const char *)buf, ts->io_u_plat[ddir][i]);
1090 }
1091 } else {
1092 if (ts->io_u_sync_plat[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_sync_plat[i]);
1095 }
129e4193 1096 }
513e37ee 1097 }
513e37ee
VF
1098 }
1099
b2b3eefe
JA
1100 if (!ddir_rw(ddir))
1101 return;
1102
cc372b17
SL
1103 if (!calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev)) {
1104 min = max = 0;
1105 mean = dev = 0.0;
1106 }
1107 tmp_object = json_create_object();
d6bb626e 1108 json_object_add_value_object(dir_object, "lat_ns", tmp_object);
cc372b17
SL
1109 json_object_add_value_int(tmp_object, "min", min);
1110 json_object_add_value_int(tmp_object, "max", max);
1111 json_object_add_value_float(tmp_object, "mean", mean);
1112 json_object_add_value_float(tmp_object, "stddev", dev);
24cab44e
VF
1113 if (output_format & FIO_OUTPUT_JSON_PLUS && ts->lat_percentiles)
1114 json_object_add_value_object(tmp_object, "bins", clat_bins_object);
1115
cc372b17
SL
1116 if (ovals)
1117 free(ovals);
1118
b9e1b491 1119 if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) {
cc372b17 1120 if (rs->agg[ddir]) {
d1707474 1121 p_of_agg = mean * 100 / (double) (rs->agg[ddir] / 1024);
cc372b17
SL
1122 if (p_of_agg > 100.0)
1123 p_of_agg = 100.0;
1124 }
1125 } else {
1126 min = max = 0;
1127 p_of_agg = mean = dev = 0.0;
1128 }
1129 json_object_add_value_int(dir_object, "bw_min", min);
1130 json_object_add_value_int(dir_object, "bw_max", max);
a806bf2e 1131 json_object_add_value_float(dir_object, "bw_agg", p_of_agg);
cc372b17
SL
1132 json_object_add_value_float(dir_object, "bw_mean", mean);
1133 json_object_add_value_float(dir_object, "bw_dev", dev);
54c05828
AH
1134 json_object_add_value_int(dir_object, "bw_samples",
1135 (&ts->bw_stat[ddir])->samples);
188b6016
AH
1136
1137 if (!calc_lat(&ts->iops_stat[ddir], &min, &max, &mean, &dev)) {
1138 min = max = 0;
1139 mean = dev = 0.0;
1140 }
1141 json_object_add_value_int(dir_object, "iops_min", min);
1142 json_object_add_value_int(dir_object, "iops_max", max);
1143 json_object_add_value_float(dir_object, "iops_mean", mean);
1144 json_object_add_value_float(dir_object, "iops_stddev", dev);
54c05828
AH
1145 json_object_add_value_int(dir_object, "iops_samples",
1146 (&ts->iops_stat[ddir])->samples);
cc372b17
SL
1147}
1148
bef2112b
AH
1149static void show_thread_status_terse_all(struct thread_stat *ts,
1150 struct group_run_stats *rs, int ver,
1151 struct buf_output *out)
4d658652
JA
1152{
1153 double io_u_dist[FIO_IO_U_MAP_NR];
1154 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
1155 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
1156 double usr_cpu, sys_cpu;
1157 int i;
1158
1159 /* General Info */
bef2112b
AH
1160 if (ver == 2)
1161 log_buf(out, "2;%s;%d;%d", ts->name, ts->groupid, ts->error);
1162 else
1163 log_buf(out, "%d;%s;%s;%d;%d", ver, fio_version_string,
1164 ts->name, ts->groupid, ts->error);
c6ae0a5b 1165
562c2d2f 1166 /* Log Read Status */
a2c95580 1167 show_ddir_status_terse(ts, rs, DDIR_READ, ver, out);
562c2d2f 1168 /* Log Write Status */
a2c95580 1169 show_ddir_status_terse(ts, rs, DDIR_WRITE, ver, out);
6eaf09d6 1170 /* Log Trim Status */
a2c95580
AH
1171 if (ver == 2 || ver == 4 || ver == 5)
1172 show_ddir_status_terse(ts, rs, DDIR_TRIM, ver, out);
c6ae0a5b 1173
562c2d2f 1174 /* CPU Usage */
756867bd
JA
1175 if (ts->total_run_time) {
1176 double runt = (double) ts->total_run_time;
c6ae0a5b 1177
756867bd
JA
1178 usr_cpu = (double) ts->usr_time * 100 / runt;
1179 sys_cpu = (double) ts->sys_time * 100 / runt;
c6ae0a5b
JA
1180 } else {
1181 usr_cpu = 0;
1182 sys_cpu = 0;
1183 }
1184
a666cab8 1185 log_buf(out, ";%f%%;%f%%;%llu;%llu;%llu", usr_cpu, sys_cpu,
4e0a8fa2
JA
1186 (unsigned long long) ts->ctx,
1187 (unsigned long long) ts->majf,
1188 (unsigned long long) ts->minf);
2270890c 1189
562c2d2f 1190 /* Calc % distribution of IO depths, usecond, msecond latency */
d79db122 1191 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
247823cc 1192 stat_calc_lat_nu(ts, io_u_lat_u);
04a0feae 1193 stat_calc_lat_m(ts, io_u_lat_m);
2270890c 1194
562c2d2f 1195 /* Only show fixed 7 I/O depth levels*/
a666cab8 1196 log_buf(out, ";%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%",
5ec10eaa
JA
1197 io_u_dist[0], io_u_dist[1], io_u_dist[2], io_u_dist[3],
1198 io_u_dist[4], io_u_dist[5], io_u_dist[6]);
2270890c 1199
562c2d2f 1200 /* Microsecond latency */
04a0feae 1201 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++)
a666cab8 1202 log_buf(out, ";%3.2f%%", io_u_lat_u[i]);
562c2d2f 1203 /* Millisecond latency */
04a0feae 1204 for (i = 0; i < FIO_IO_U_LAT_M_NR; i++)
a666cab8 1205 log_buf(out, ";%3.2f%%", io_u_lat_m[i]);
f2f788dd
JA
1206
1207 /* disk util stats, if any */
bef2112b
AH
1208 if (ver >= 3)
1209 show_disk_util(1, NULL, out);
f2f788dd 1210
562c2d2f 1211 /* Additional output if continue_on_error set - default off*/
f2bba182 1212 if (ts->continue_on_error)
a666cab8 1213 log_buf(out, ";%llu;%d", (unsigned long long) ts->total_err_count, ts->first_error);
bef2112b
AH
1214 if (ver == 2)
1215 log_buf(out, "\n");
2270890c 1216
562c2d2f 1217 /* Additional output if description is set */
4b0f2258 1218 if (strlen(ts->description))
a666cab8 1219 log_buf(out, ";%s", ts->description);
946e4276 1220
a666cab8 1221 log_buf(out, "\n");
756867bd
JA
1222}
1223
a89ba4b1 1224static void json_add_job_opts(struct json_object *root, const char *name,
0cf542af 1225 struct flist_head *opt_list)
66e19a38
JA
1226{
1227 struct json_object *dir_object;
1228 struct flist_head *entry;
1229 struct print_option *p;
1230
1231 if (flist_empty(opt_list))
1232 return;
1233
1234 dir_object = json_create_object();
1235 json_object_add_value_object(root, name, dir_object);
1236
1237 flist_for_each(entry, opt_list) {
1238 const char *pos = "";
1239
1240 p = flist_entry(entry, struct print_option, list);
1241 if (p->value)
1242 pos = p->value;
1243 json_object_add_value_string(dir_object, p->name, pos);
1244 }
1245}
1246
cc372b17 1247static struct json_object *show_thread_status_json(struct thread_stat *ts,
66e19a38
JA
1248 struct group_run_stats *rs,
1249 struct flist_head *opt_list)
cc372b17
SL
1250{
1251 struct json_object *root, *tmp;
b01af66b 1252 struct jobs_eta *je;
cc372b17 1253 double io_u_dist[FIO_IO_U_MAP_NR];
d6bb626e 1254 double io_u_lat_n[FIO_IO_U_LAT_N_NR];
cc372b17
SL
1255 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
1256 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
1257 double usr_cpu, sys_cpu;
1258 int i;
b01af66b
CJ
1259 size_t size;
1260
cc372b17
SL
1261 root = json_create_object();
1262 json_object_add_value_string(root, "jobname", ts->name);
1263 json_object_add_value_int(root, "groupid", ts->groupid);
1264 json_object_add_value_int(root, "error", ts->error);
1265
b01af66b 1266 /* ETA Info */
c5103619 1267 je = get_jobs_eta(true, &size);
2de615ad
JA
1268 if (je) {
1269 json_object_add_value_int(root, "eta", je->eta_sec);
1270 json_object_add_value_int(root, "elapsed", je->elapsed_sec);
1271 }
b01af66b 1272
66e19a38 1273 if (opt_list)
0cf542af 1274 json_add_job_opts(root, "job options", opt_list);
66e19a38 1275
cc372b17
SL
1276 add_ddir_status_json(ts, rs, DDIR_READ, root);
1277 add_ddir_status_json(ts, rs, DDIR_WRITE, root);
f3afa57e 1278 add_ddir_status_json(ts, rs, DDIR_TRIM, root);
b2b3eefe 1279 add_ddir_status_json(ts, rs, DDIR_SYNC, root);
cc372b17
SL
1280
1281 /* CPU Usage */
1282 if (ts->total_run_time) {
1283 double runt = (double) ts->total_run_time;
1284
1285 usr_cpu = (double) ts->usr_time * 100 / runt;
1286 sys_cpu = (double) ts->sys_time * 100 / runt;
1287 } else {
1288 usr_cpu = 0;
1289 sys_cpu = 0;
1290 }
1291 json_object_add_value_float(root, "usr_cpu", usr_cpu);
1292 json_object_add_value_float(root, "sys_cpu", sys_cpu);
1293 json_object_add_value_int(root, "ctx", ts->ctx);
1294 json_object_add_value_int(root, "majf", ts->majf);
1295 json_object_add_value_int(root, "minf", ts->minf);
1296
1297
1298 /* Calc % distribution of IO depths, usecond, msecond latency */
d79db122 1299 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
d6bb626e 1300 stat_calc_lat_n(ts, io_u_lat_n);
cc372b17
SL
1301 stat_calc_lat_u(ts, io_u_lat_u);
1302 stat_calc_lat_m(ts, io_u_lat_m);
1303
1304 tmp = json_create_object();
1305 json_object_add_value_object(root, "iodepth_level", tmp);
1306 /* Only show fixed 7 I/O depth levels*/
1307 for (i = 0; i < 7; i++) {
1308 char name[20];
1309 if (i < 6)
98ffb8f3 1310 snprintf(name, 20, "%d", 1 << i);
cc372b17 1311 else
98ffb8f3 1312 snprintf(name, 20, ">=%d", 1 << i);
cc372b17
SL
1313 json_object_add_value_float(tmp, (const char *)name, io_u_dist[i]);
1314 }
1315
d6bb626e 1316 /* Nanosecond latency */
cc372b17 1317 tmp = json_create_object();
d6bb626e
VF
1318 json_object_add_value_object(root, "latency_ns", tmp);
1319 for (i = 0; i < FIO_IO_U_LAT_N_NR; i++) {
1320 const char *ranges[] = { "2", "4", "10", "20", "50", "100",
1321 "250", "500", "750", "1000", };
1322 json_object_add_value_float(tmp, ranges[i], io_u_lat_n[i]);
1323 }
cc372b17 1324 /* Microsecond latency */
d6bb626e
VF
1325 tmp = json_create_object();
1326 json_object_add_value_object(root, "latency_us", tmp);
cc372b17
SL
1327 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) {
1328 const char *ranges[] = { "2", "4", "10", "20", "50", "100",
1329 "250", "500", "750", "1000", };
1330 json_object_add_value_float(tmp, ranges[i], io_u_lat_u[i]);
1331 }
1332 /* Millisecond latency */
1333 tmp = json_create_object();
1334 json_object_add_value_object(root, "latency_ms", tmp);
1335 for (i = 0; i < FIO_IO_U_LAT_M_NR; i++) {
1336 const char *ranges[] = { "2", "4", "10", "20", "50", "100",
1337 "250", "500", "750", "1000", "2000",
1338 ">=2000", };
1339 json_object_add_value_float(tmp, ranges[i], io_u_lat_m[i]);
1340 }
1341
1342 /* Additional output if continue_on_error set - default off*/
1343 if (ts->continue_on_error) {
1344 json_object_add_value_int(root, "total_err", ts->total_err_count);
952b05e0 1345 json_object_add_value_int(root, "first_error", ts->first_error);
cc372b17
SL
1346 }
1347
3e260a46
JA
1348 if (ts->latency_depth) {
1349 json_object_add_value_int(root, "latency_depth", ts->latency_depth);
1350 json_object_add_value_int(root, "latency_target", ts->latency_target);
1351 json_object_add_value_float(root, "latency_percentile", ts->latency_percentile.u.f);
1352 json_object_add_value_int(root, "latency_window", ts->latency_window);
1353 }
1354
cc372b17
SL
1355 /* Additional output if description is set */
1356 if (strlen(ts->description))
1357 json_object_add_value_string(root, "desc", ts->description);
1358
66347cfa
DE
1359 if (ts->nr_block_infos) {
1360 /* Block error histogram and types */
1361 int len;
1362 unsigned int *percentiles = NULL;
1363 unsigned int block_state_counts[BLOCK_STATE_COUNT];
1364
1365 len = calc_block_percentiles(ts->nr_block_infos, ts->block_infos,
1366 ts->percentile_list,
1367 &percentiles, block_state_counts);
1368
1369 if (len) {
1370 struct json_object *block, *percentile_object, *states;
8a68c41c 1371 int state;
66347cfa
DE
1372 block = json_create_object();
1373 json_object_add_value_object(root, "block", block);
1374
1375 percentile_object = json_create_object();
1376 json_object_add_value_object(block, "percentiles",
1377 percentile_object);
1378 for (i = 0; i < len; i++) {
1379 char buf[20];
1380 snprintf(buf, sizeof(buf), "%f",
1381 ts->percentile_list[i].u.f);
1382 json_object_add_value_int(percentile_object,
1383 (const char *)buf,
1384 percentiles[i]);
1385 }
1386
1387 states = json_create_object();
1388 json_object_add_value_object(block, "states", states);
1389 for (state = 0; state < BLOCK_STATE_COUNT; state++) {
1390 json_object_add_value_int(states,
1391 block_state_names[state],
1392 block_state_counts[state]);
1393 }
1394 free(percentiles);
1395 }
1396 }
1397
bb49c8bd 1398 if (ts->ss_dur) {
ba8fb6f6
VF
1399 struct json_object *data;
1400 struct json_array *iops, *bw;
412c7d91 1401 int i, j, k;
6da94b07 1402 char ss_buf[64];
16e56d25 1403
6da94b07 1404 snprintf(ss_buf, sizeof(ss_buf), "%s%s:%f%s",
c8caba48
JA
1405 ts->ss_state & FIO_SS_IOPS ? "iops" : "bw",
1406 ts->ss_state & FIO_SS_SLOPE ? "_slope" : "",
bb49c8bd 1407 (float) ts->ss_limit.u.f,
c8caba48 1408 ts->ss_state & FIO_SS_PCT ? "%" : "");
16e56d25
VF
1409
1410 tmp = json_create_object();
1411 json_object_add_value_object(root, "steadystate", tmp);
6da94b07 1412 json_object_add_value_string(tmp, "ss", ss_buf);
bb49c8bd 1413 json_object_add_value_int(tmp, "duration", (int)ts->ss_dur);
c8caba48 1414 json_object_add_value_int(tmp, "attained", (ts->ss_state & FIO_SS_ATTAINED) > 0);
6da94b07 1415
bb49c8bd 1416 snprintf(ss_buf, sizeof(ss_buf), "%f%s", (float) ts->ss_criterion.u.f,
c8caba48 1417 ts->ss_state & FIO_SS_PCT ? "%" : "");
6da94b07 1418 json_object_add_value_string(tmp, "criterion", ss_buf);
bb49c8bd
VF
1419 json_object_add_value_float(tmp, "max_deviation", ts->ss_deviation.u.f);
1420 json_object_add_value_float(tmp, "slope", ts->ss_slope.u.f);
ba8fb6f6
VF
1421
1422 data = json_create_object();
1423 json_object_add_value_object(tmp, "data", data);
1424 bw = json_create_array();
1425 iops = json_create_array();
412c7d91
VF
1426
1427 /*
1428 ** if ss was attained or the buffer is not full,
1429 ** ss->head points to the first element in the list.
1430 ** otherwise it actually points to the second element
1431 ** in the list
1432 */
c8caba48 1433 if ((ts->ss_state & FIO_SS_ATTAINED) || !(ts->ss_state & FIO_SS_BUFFER_FULL))
bb49c8bd 1434 j = ts->ss_head;
412c7d91 1435 else
bb49c8bd
VF
1436 j = ts->ss_head == 0 ? ts->ss_dur - 1 : ts->ss_head - 1;
1437 for (i = 0; i < ts->ss_dur; i++) {
1438 k = (j + i) % ts->ss_dur;
1439 json_array_add_value_int(bw, ts->ss_bw_data[k]);
1440 json_array_add_value_int(iops, ts->ss_iops_data[k]);
16e56d25 1441 }
bb49c8bd
VF
1442 json_object_add_value_int(data, "bw_mean", steadystate_bw_mean(ts));
1443 json_object_add_value_int(data, "iops_mean", steadystate_iops_mean(ts));
6da94b07
VF
1444 json_object_add_value_array(data, "iops", iops);
1445 json_object_add_value_array(data, "bw", bw);
16e56d25
VF
1446 }
1447
cc372b17
SL
1448 return root;
1449}
1450
4d658652 1451static void show_thread_status_terse(struct thread_stat *ts,
a666cab8
JA
1452 struct group_run_stats *rs,
1453 struct buf_output *out)
4d658652 1454{
a2c95580 1455 if (terse_version >= 2 && terse_version <= 5)
bef2112b 1456 show_thread_status_terse_all(ts, rs, terse_version, out);
4d658652
JA
1457 else
1458 log_err("fio: bad terse version!? %d\n", terse_version);
1459}
1460
952b05e0 1461struct json_object *show_thread_status(struct thread_stat *ts,
a666cab8 1462 struct group_run_stats *rs,
0279b880 1463 struct flist_head *opt_list,
a666cab8 1464 struct buf_output *out)
952b05e0 1465{
129fb2d4
JA
1466 struct json_object *ret = NULL;
1467
1468 if (output_format & FIO_OUTPUT_TERSE)
a666cab8 1469 show_thread_status_terse(ts, rs, out);
129fb2d4 1470 if (output_format & FIO_OUTPUT_JSON)
0279b880 1471 ret = show_thread_status_json(ts, rs, opt_list);
129fb2d4 1472 if (output_format & FIO_OUTPUT_NORMAL)
a666cab8 1473 show_thread_status_normal(ts, rs, out);
129fb2d4
JA
1474
1475 return ret;
952b05e0
CF
1476}
1477
fd595830 1478static void sum_stat(struct io_stat *dst, struct io_stat *src, bool first)
756867bd
JA
1479{
1480 double mean, S;
1481
e09231c2
ZL
1482 if (src->samples == 0)
1483 return;
1484
756867bd
JA
1485 dst->min_val = min(dst->min_val, src->min_val);
1486 dst->max_val = max(dst->max_val, src->max_val);
756867bd
JA
1487
1488 /*
cdcac5cf
YH
1489 * Compute new mean and S after the merge
1490 * <http://en.wikipedia.org/wiki/Algorithms_for_calculating_variance
1491 * #Parallel_algorithm>
756867bd 1492 */
fd595830 1493 if (first) {
802ad4a8
JA
1494 mean = src->mean.u.f;
1495 S = src->S.u.f;
756867bd 1496 } else {
802ad4a8 1497 double delta = src->mean.u.f - dst->mean.u.f;
cdcac5cf 1498
802ad4a8
JA
1499 mean = ((src->mean.u.f * src->samples) +
1500 (dst->mean.u.f * dst->samples)) /
cdcac5cf
YH
1501 (dst->samples + src->samples);
1502
802ad4a8 1503 S = src->S.u.f + dst->S.u.f + pow(delta, 2.0) *
cdcac5cf
YH
1504 (dst->samples * src->samples) /
1505 (dst->samples + src->samples);
756867bd
JA
1506 }
1507
cdcac5cf 1508 dst->samples += src->samples;
802ad4a8
JA
1509 dst->mean.u.f = mean;
1510 dst->S.u.f = S;
756867bd
JA
1511}
1512
37f0c1ae
JA
1513void sum_group_stats(struct group_run_stats *dst, struct group_run_stats *src)
1514{
1515 int i;
1516
6eaf09d6 1517 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
37f0c1ae
JA
1518 if (dst->max_run[i] < src->max_run[i])
1519 dst->max_run[i] = src->max_run[i];
1520 if (dst->min_run[i] && dst->min_run[i] > src->min_run[i])
1521 dst->min_run[i] = src->min_run[i];
1522 if (dst->max_bw[i] < src->max_bw[i])
1523 dst->max_bw[i] = src->max_bw[i];
1524 if (dst->min_bw[i] && dst->min_bw[i] > src->min_bw[i])
1525 dst->min_bw[i] = src->min_bw[i];
1526
af7f87cb 1527 dst->iobytes[i] += src->iobytes[i];
37f0c1ae
JA
1528 dst->agg[i] += src->agg[i];
1529 }
1530
dbae1bd6
JA
1531 if (!dst->kb_base)
1532 dst->kb_base = src->kb_base;
1533 if (!dst->unit_base)
1534 dst->unit_base = src->unit_base;
18aa1998
JF
1535 if (!dst->sig_figs)
1536 dst->sig_figs = src->sig_figs;
37f0c1ae
JA
1537}
1538
fd595830
JA
1539void sum_thread_stats(struct thread_stat *dst, struct thread_stat *src,
1540 bool first)
5b9babb7
JA
1541{
1542 int l, k;
1543
6eaf09d6 1544 for (l = 0; l < DDIR_RWDIR_CNT; l++) {
771e58be 1545 if (!dst->unified_rw_rep) {
fd595830
JA
1546 sum_stat(&dst->clat_stat[l], &src->clat_stat[l], first);
1547 sum_stat(&dst->slat_stat[l], &src->slat_stat[l], first);
1548 sum_stat(&dst->lat_stat[l], &src->lat_stat[l], first);
1549 sum_stat(&dst->bw_stat[l], &src->bw_stat[l], first);
188b6016 1550 sum_stat(&dst->iops_stat[l], &src->iops_stat[l], first);
771e58be
JA
1551
1552 dst->io_bytes[l] += src->io_bytes[l];
1553
1554 if (dst->runtime[l] < src->runtime[l])
1555 dst->runtime[l] = src->runtime[l];
1556 } else {
fd595830
JA
1557 sum_stat(&dst->clat_stat[0], &src->clat_stat[l], first);
1558 sum_stat(&dst->slat_stat[0], &src->slat_stat[l], first);
1559 sum_stat(&dst->lat_stat[0], &src->lat_stat[l], first);
1560 sum_stat(&dst->bw_stat[0], &src->bw_stat[l], first);
188b6016 1561 sum_stat(&dst->iops_stat[0], &src->iops_stat[l], first);
771e58be
JA
1562
1563 dst->io_bytes[0] += src->io_bytes[l];
1564
1565 if (dst->runtime[0] < src->runtime[l])
1566 dst->runtime[0] = src->runtime[l];
fd595830
JA
1567
1568 /*
1569 * We're summing to the same destination, so override
1570 * 'first' after the first iteration of the loop
1571 */
1572 first = false;
771e58be 1573 }
5b9babb7
JA
1574 }
1575
b2b3eefe 1576 sum_stat(&dst->sync_stat, &src->sync_stat, first);
5b9babb7
JA
1577 dst->usr_time += src->usr_time;
1578 dst->sys_time += src->sys_time;
1579 dst->ctx += src->ctx;
1580 dst->majf += src->majf;
1581 dst->minf += src->minf;
1582
b2b3eefe 1583 for (k = 0; k < FIO_IO_U_MAP_NR; k++) {
5b9babb7 1584 dst->io_u_map[k] += src->io_u_map[k];
5b9babb7 1585 dst->io_u_submit[k] += src->io_u_submit[k];
5b9babb7 1586 dst->io_u_complete[k] += src->io_u_complete[k];
b2b3eefe
JA
1587 }
1588 for (k = 0; k < FIO_IO_U_LAT_N_NR; k++) {
d6bb626e 1589 dst->io_u_lat_n[k] += src->io_u_lat_n[k];
5b9babb7 1590 dst->io_u_lat_u[k] += src->io_u_lat_u[k];
5b9babb7 1591 dst->io_u_lat_m[k] += src->io_u_lat_m[k];
b2b3eefe
JA
1592 }
1593 for (k = 0; k < FIO_IO_U_PLAT_NR; k++)
1594 dst->io_u_sync_plat[k] += src->io_u_sync_plat[k];
5b9babb7 1595
6eaf09d6 1596 for (k = 0; k < DDIR_RWDIR_CNT; k++) {
771e58be
JA
1597 if (!dst->unified_rw_rep) {
1598 dst->total_io_u[k] += src->total_io_u[k];
1599 dst->short_io_u[k] += src->short_io_u[k];
3bcb9d94 1600 dst->drop_io_u[k] += src->drop_io_u[k];
771e58be
JA
1601 } else {
1602 dst->total_io_u[0] += src->total_io_u[k];
1603 dst->short_io_u[0] += src->short_io_u[k];
3bcb9d94 1604 dst->drop_io_u[0] += src->drop_io_u[k];
771e58be 1605 }
5b9babb7
JA
1606 }
1607
7f3ecee2
JA
1608 dst->total_io_u[DDIR_SYNC] += src->total_io_u[DDIR_SYNC];
1609
6eaf09d6 1610 for (k = 0; k < DDIR_RWDIR_CNT; k++) {
5b9babb7 1611 int m;
771e58be
JA
1612
1613 for (m = 0; m < FIO_IO_U_PLAT_NR; m++) {
1614 if (!dst->unified_rw_rep)
1615 dst->io_u_plat[k][m] += src->io_u_plat[k][m];
1616 else
1617 dst->io_u_plat[0][m] += src->io_u_plat[k][m];
1618 }
5b9babb7
JA
1619 }
1620
1621 dst->total_run_time += src->total_run_time;
1622 dst->total_submit += src->total_submit;
1623 dst->total_complete += src->total_complete;
1624}
1625
37f0c1ae
JA
1626void init_group_run_stat(struct group_run_stats *gs)
1627{
6eaf09d6 1628 int i;
37f0c1ae 1629 memset(gs, 0, sizeof(*gs));
6eaf09d6
SL
1630
1631 for (i = 0; i < DDIR_RWDIR_CNT; i++)
1632 gs->min_bw[i] = gs->min_run[i] = ~0UL;
37f0c1ae
JA
1633}
1634
1635void init_thread_stat(struct thread_stat *ts)
1636{
1637 int j;
1638
1639 memset(ts, 0, sizeof(*ts));
1640
6eaf09d6 1641 for (j = 0; j < DDIR_RWDIR_CNT; j++) {
37f0c1ae
JA
1642 ts->lat_stat[j].min_val = -1UL;
1643 ts->clat_stat[j].min_val = -1UL;
1644 ts->slat_stat[j].min_val = -1UL;
1645 ts->bw_stat[j].min_val = -1UL;
188b6016 1646 ts->iops_stat[j].min_val = -1UL;
37f0c1ae 1647 }
7f3ecee2 1648 ts->sync_stat.min_val = -1UL;
37f0c1ae
JA
1649 ts->groupid = -1;
1650}
1651
83f7b64e 1652void __show_run_stats(void)
3c39a379
JA
1653{
1654 struct group_run_stats *runstats, *rs;
1655 struct thread_data *td;
756867bd 1656 struct thread_stat *threadstats, *ts;
4da24b69 1657 int i, j, k, nr_ts, last_ts, idx;
8985b491
JA
1658 bool kb_base_warned = false;
1659 bool unit_base_warned = false;
cc372b17
SL
1660 struct json_object *root = NULL;
1661 struct json_array *array = NULL;
a666cab8 1662 struct buf_output output[FIO_OUTPUT_NR];
66e19a38 1663 struct flist_head **opt_lists;
a666cab8 1664
3c39a379
JA
1665 runstats = malloc(sizeof(struct group_run_stats) * (groupid + 1));
1666
37f0c1ae
JA
1667 for (i = 0; i < groupid + 1; i++)
1668 init_group_run_stat(&runstats[i]);
3c39a379 1669
756867bd
JA
1670 /*
1671 * find out how many threads stats we need. if group reporting isn't
1672 * enabled, it's one-per-td.
1673 */
1674 nr_ts = 0;
1675 last_ts = -1;
1676 for_each_td(td, i) {
2dc1bbeb 1677 if (!td->o.group_reporting) {
756867bd
JA
1678 nr_ts++;
1679 continue;
1680 }
1681 if (last_ts == td->groupid)
1682 continue;
8243be59
JA
1683 if (!td->o.stats)
1684 continue;
756867bd
JA
1685
1686 last_ts = td->groupid;
1687 nr_ts++;
1688 }
1689
1690 threadstats = malloc(nr_ts * sizeof(struct thread_stat));
66e19a38 1691 opt_lists = malloc(nr_ts * sizeof(struct flist_head *));
756867bd 1692
66e19a38 1693 for (i = 0; i < nr_ts; i++) {
37f0c1ae 1694 init_thread_stat(&threadstats[i]);
66e19a38
JA
1695 opt_lists[i] = NULL;
1696 }
756867bd
JA
1697
1698 j = 0;
1699 last_ts = -1;
197574e4 1700 idx = 0;
34572e28 1701 for_each_td(td, i) {
8243be59
JA
1702 if (!td->o.stats)
1703 continue;
2dc1bbeb
JA
1704 if (idx && (!td->o.group_reporting ||
1705 (td->o.group_reporting && last_ts != td->groupid))) {
7abd0e3a
JA
1706 idx = 0;
1707 j++;
1708 }
1709
1710 last_ts = td->groupid;
1711
756867bd
JA
1712 ts = &threadstats[j];
1713
83349190 1714 ts->clat_percentiles = td->o.clat_percentiles;
b599759b 1715 ts->lat_percentiles = td->o.lat_percentiles;
435d195a 1716 ts->percentile_precision = td->o.percentile_precision;
fd112d34 1717 memcpy(ts->percentile_list, td->o.percentile_list, sizeof(td->o.percentile_list));
66e19a38 1718 opt_lists[j] = &td->opt_list;
83349190 1719
197574e4 1720 idx++;
6586ee89 1721 ts->members++;
756867bd 1722
7abd0e3a 1723 if (ts->groupid == -1) {
2dc84ba7
JA
1724 /*
1725 * These are per-group shared already
1726 */
4e59d0f3 1727 strncpy(ts->name, td->o.name, FIO_JOBNAME_SIZE - 1);
a64e88da
JA
1728 if (td->o.description)
1729 strncpy(ts->description, td->o.description,
4e59d0f3 1730 FIO_JOBDESC_SIZE - 1);
a64e88da 1731 else
4e59d0f3 1732 memset(ts->description, 0, FIO_JOBDESC_SIZE);
a64e88da 1733
2f122b13
JA
1734 /*
1735 * If multiple entries in this group, this is
1736 * the first member.
1737 */
1738 ts->thread_number = td->thread_number;
756867bd 1739 ts->groupid = td->groupid;
2dc84ba7
JA
1740
1741 /*
1742 * first pid in group, not very useful...
1743 */
756867bd 1744 ts->pid = td->pid;
90fef2d1
JA
1745
1746 ts->kb_base = td->o.kb_base;
ad705bcb 1747 ts->unit_base = td->o.unit_base;
e883cb35 1748 ts->sig_figs = td->o.sig_figs;
771e58be 1749 ts->unified_rw_rep = td->o.unified_rw_rep;
90fef2d1
JA
1750 } else if (ts->kb_base != td->o.kb_base && !kb_base_warned) {
1751 log_info("fio: kb_base differs for jobs in group, using"
1752 " %u as the base\n", ts->kb_base);
8985b491 1753 kb_base_warned = true;
ad705bcb
SN
1754 } else if (ts->unit_base != td->o.unit_base && !unit_base_warned) {
1755 log_info("fio: unit_base differs for jobs in group, using"
1756 " %u as the base\n", ts->unit_base);
8985b491 1757 unit_base_warned = true;
2dc84ba7
JA
1758 }
1759
f2bba182
RR
1760 ts->continue_on_error = td->o.continue_on_error;
1761 ts->total_err_count += td->total_err_count;
1762 ts->first_error = td->first_error;
1763 if (!ts->error) {
1764 if (!td->error && td->o.continue_on_error &&
1765 td->first_error) {
1766 ts->error = td->first_error;
3660ceae
JA
1767 ts->verror[sizeof(ts->verror) - 1] = '\0';
1768 strncpy(ts->verror, td->verror, sizeof(ts->verror) - 1);
f2bba182
RR
1769 } else if (td->error) {
1770 ts->error = td->error;
3660ceae
JA
1771 ts->verror[sizeof(ts->verror) - 1] = '\0';
1772 strncpy(ts->verror, td->verror, sizeof(ts->verror) - 1);
f2bba182 1773 }
756867bd
JA
1774 }
1775
3e260a46
JA
1776 ts->latency_depth = td->latency_qd;
1777 ts->latency_target = td->o.latency_target;
1778 ts->latency_percentile = td->o.latency_percentile;
1779 ts->latency_window = td->o.latency_window;
1780
0e4dd95c 1781 ts->nr_block_infos = td->ts.nr_block_infos;
4da24b69
JA
1782 for (k = 0; k < ts->nr_block_infos; k++)
1783 ts->block_infos[k] = td->ts.block_infos[k];
0e4dd95c 1784
fd595830 1785 sum_thread_stats(ts, &td->ts, idx == 1);
16e56d25 1786
bb49c8bd
VF
1787 if (td->o.ss_dur) {
1788 ts->ss_state = td->ss.state;
1789 ts->ss_dur = td->ss.dur;
1790 ts->ss_head = td->ss.head;
bb49c8bd
VF
1791 ts->ss_bw_data = td->ss.bw_data;
1792 ts->ss_iops_data = td->ss.iops_data;
1793 ts->ss_limit.u.f = td->ss.limit;
1794 ts->ss_slope.u.f = td->ss.slope;
1795 ts->ss_deviation.u.f = td->ss.deviation;
1796 ts->ss_criterion.u.f = td->ss.criterion;
1797 }
16e56d25 1798 else
bb49c8bd 1799 ts->ss_dur = ts->ss_state = 0;
756867bd
JA
1800 }
1801
1802 for (i = 0; i < nr_ts; i++) {
94370ac4 1803 unsigned long long bw;
3c39a379 1804
756867bd 1805 ts = &threadstats[i];
dedb88eb
JA
1806 if (ts->groupid == -1)
1807 continue;
756867bd 1808 rs = &runstats[ts->groupid];
90fef2d1 1809 rs->kb_base = ts->kb_base;
ad705bcb 1810 rs->unit_base = ts->unit_base;
e883cb35 1811 rs->sig_figs = ts->sig_figs;
771e58be 1812 rs->unified_rw_rep += ts->unified_rw_rep;
3c39a379 1813
6eaf09d6 1814 for (j = 0; j < DDIR_RWDIR_CNT; j++) {
94370ac4
JA
1815 if (!ts->runtime[j])
1816 continue;
1817 if (ts->runtime[j] < rs->min_run[j] || !rs->min_run[j])
1818 rs->min_run[j] = ts->runtime[j];
1819 if (ts->runtime[j] > rs->max_run[j])
1820 rs->max_run[j] = ts->runtime[j];
1821
1822 bw = 0;
af7f87cb
RE
1823 if (ts->runtime[j])
1824 bw = ts->io_bytes[j] * 1000 / ts->runtime[j];
94370ac4
JA
1825 if (bw < rs->min_bw[j])
1826 rs->min_bw[j] = bw;
1827 if (bw > rs->max_bw[j])
1828 rs->max_bw[j] = bw;
1829
af7f87cb 1830 rs->iobytes[j] += ts->io_bytes[j];
94370ac4 1831 }
3c39a379
JA
1832 }
1833
1834 for (i = 0; i < groupid + 1; i++) {
6eaf09d6
SL
1835 int ddir;
1836
3c39a379
JA
1837 rs = &runstats[i];
1838
6eaf09d6
SL
1839 for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++) {
1840 if (rs->max_run[ddir])
af7f87cb 1841 rs->agg[ddir] = (rs->iobytes[ddir] * 1000) /
6eaf09d6
SL
1842 rs->max_run[ddir];
1843 }
3c39a379
JA
1844 }
1845
a666cab8 1846 for (i = 0; i < FIO_OUTPUT_NR; i++)
e250c0a9 1847 buf_output_init(&output[i]);
a666cab8 1848
3c39a379
JA
1849 /*
1850 * don't overwrite last signal output
1851 */
129fb2d4 1852 if (output_format & FIO_OUTPUT_NORMAL)
a666cab8 1853 log_buf(&output[__FIO_OUTPUT_NORMAL], "\n");
129fb2d4 1854 if (output_format & FIO_OUTPUT_JSON) {
66e19a38 1855 struct thread_data *global;
35326842 1856 char time_buf[32];
aa7d2ef0
RH
1857 struct timeval now;
1858 unsigned long long ms_since_epoch;
afd74e2a 1859 time_t tv_sec;
91e53870 1860
aa7d2ef0
RH
1861 gettimeofday(&now, NULL);
1862 ms_since_epoch = (unsigned long long)(now.tv_sec) * 1000 +
1863 (unsigned long long)(now.tv_usec) / 1000;
1864
afd74e2a
BVA
1865 tv_sec = now.tv_sec;
1866 os_ctime_r(&tv_sec, time_buf, sizeof(time_buf));
1d272416
JA
1867 if (time_buf[strlen(time_buf) - 1] == '\n')
1868 time_buf[strlen(time_buf) - 1] = '\0';
91e53870 1869
cc372b17
SL
1870 root = json_create_object();
1871 json_object_add_value_string(root, "fio version", fio_version_string);
aa7d2ef0
RH
1872 json_object_add_value_int(root, "timestamp", now.tv_sec);
1873 json_object_add_value_int(root, "timestamp_ms", ms_since_epoch);
91e53870 1874 json_object_add_value_string(root, "time", time_buf);
66e19a38 1875 global = get_global_options();
0cf542af 1876 json_add_job_opts(root, "global options", &global->opt_list);
cc372b17
SL
1877 array = json_create_array();
1878 json_object_add_value_array(root, "jobs", array);
1879 }
3c39a379 1880
0279b880
JA
1881 if (is_backend)
1882 fio_server_send_job_options(&get_global_options()->opt_list, -1U);
1883
756867bd
JA
1884 for (i = 0; i < nr_ts; i++) {
1885 ts = &threadstats[i];
1886 rs = &runstats[ts->groupid];
3c39a379 1887
0279b880
JA
1888 if (is_backend) {
1889 fio_server_send_job_options(opt_lists[i], i);
a64e88da 1890 fio_server_send_ts(ts, rs);
0279b880 1891 } else {
129fb2d4 1892 if (output_format & FIO_OUTPUT_TERSE)
a666cab8 1893 show_thread_status_terse(ts, rs, &output[__FIO_OUTPUT_TERSE]);
129fb2d4 1894 if (output_format & FIO_OUTPUT_JSON) {
66e19a38 1895 struct json_object *tmp = show_thread_status_json(ts, rs, opt_lists[i]);
129fb2d4
JA
1896 json_array_add_value_object(array, tmp);
1897 }
1898 if (output_format & FIO_OUTPUT_NORMAL)
a666cab8 1899 show_thread_status_normal(ts, rs, &output[__FIO_OUTPUT_NORMAL]);
129fb2d4 1900 }
3c39a379 1901 }
ab34ddd1 1902 if (!is_backend && (output_format & FIO_OUTPUT_JSON)) {
cc372b17 1903 /* disk util stats, if any */
a666cab8 1904 show_disk_util(1, root, &output[__FIO_OUTPUT_JSON]);
cc372b17 1905
a666cab8 1906 show_idle_prof_stats(FIO_OUTPUT_JSON, root, &output[__FIO_OUTPUT_JSON]);
f2a2ce0e 1907
a666cab8
JA
1908 json_print_object(root, &output[__FIO_OUTPUT_JSON]);
1909 log_buf(&output[__FIO_OUTPUT_JSON], "\n");
cc372b17
SL
1910 json_free_object(root);
1911 }
3c39a379 1912
72c27ff8
JA
1913 for (i = 0; i < groupid + 1; i++) {
1914 rs = &runstats[i];
3c39a379 1915
72c27ff8 1916 rs->groupid = i;
d09a64a0 1917 if (is_backend)
72c27ff8 1918 fio_server_send_gs(rs);
129fb2d4 1919 else if (output_format & FIO_OUTPUT_NORMAL)
a666cab8 1920 show_group_stats(rs, &output[__FIO_OUTPUT_NORMAL]);
c6ae0a5b 1921 }
eecf272f 1922
72c27ff8
JA
1923 if (is_backend)
1924 fio_server_send_du();
129fb2d4 1925 else if (output_format & FIO_OUTPUT_NORMAL) {
a666cab8
JA
1926 show_disk_util(0, NULL, &output[__FIO_OUTPUT_NORMAL]);
1927 show_idle_prof_stats(FIO_OUTPUT_NORMAL, NULL, &output[__FIO_OUTPUT_NORMAL]);
60904003 1928 }
f2a2ce0e 1929
3d57c0e9 1930 for (i = 0; i < FIO_OUTPUT_NR; i++) {
3dc3aa41 1931 struct buf_output *out = &output[i];
8dd0eca3 1932
3dc3aa41 1933 log_info_buf(out->buf, out->buflen);
3dc3aa41 1934 buf_output_free(out);
3d57c0e9 1935 }
2b8c71b0 1936
fdd5f15f 1937 log_info_flush();
eecf272f 1938 free(runstats);
756867bd 1939 free(threadstats);
66e19a38 1940 free(opt_lists);
3c39a379
JA
1941}
1942
5ddc6707 1943void __show_running_run_stats(void)
b852e7cf
JA
1944{
1945 struct thread_data *td;
1946 unsigned long long *rt;
8b6a404c 1947 struct timespec ts;
b852e7cf
JA
1948 int i;
1949
971caeb1 1950 fio_sem_down(stat_sem);
90811930 1951
b852e7cf 1952 rt = malloc(thread_number * sizeof(unsigned long long));
8b6a404c 1953 fio_gettime(&ts, NULL);
b852e7cf
JA
1954
1955 for_each_td(td, i) {
c97f1ad6 1956 td->update_rusage = 1;
6eaf09d6
SL
1957 td->ts.io_bytes[DDIR_READ] = td->io_bytes[DDIR_READ];
1958 td->ts.io_bytes[DDIR_WRITE] = td->io_bytes[DDIR_WRITE];
1959 td->ts.io_bytes[DDIR_TRIM] = td->io_bytes[DDIR_TRIM];
8b6a404c 1960 td->ts.total_run_time = mtime_since(&td->epoch, &ts);
6c041a88 1961
8b6a404c 1962 rt[i] = mtime_since(&td->start, &ts);
6c041a88 1963 if (td_read(td) && td->ts.io_bytes[DDIR_READ])
1964 td->ts.runtime[DDIR_READ] += rt[i];
1965 if (td_write(td) && td->ts.io_bytes[DDIR_WRITE])
1966 td->ts.runtime[DDIR_WRITE] += rt[i];
1967 if (td_trim(td) && td->ts.io_bytes[DDIR_TRIM])
1968 td->ts.runtime[DDIR_TRIM] += rt[i];
b852e7cf
JA
1969 }
1970
c97f1ad6 1971 for_each_td(td, i) {
fda2cfac
JA
1972 if (td->runstate >= TD_EXITED)
1973 continue;
c97f1ad6
JA
1974 if (td->rusage_sem) {
1975 td->update_rusage = 1;
971caeb1 1976 fio_sem_down(td->rusage_sem);
c97f1ad6
JA
1977 }
1978 td->update_rusage = 0;
1979 }
1980
cef9175e 1981 __show_run_stats();
b852e7cf
JA
1982
1983 for_each_td(td, i) {
6c041a88 1984 if (td_read(td) && td->ts.io_bytes[DDIR_READ])
b852e7cf 1985 td->ts.runtime[DDIR_READ] -= rt[i];
6c041a88 1986 if (td_write(td) && td->ts.io_bytes[DDIR_WRITE])
b852e7cf 1987 td->ts.runtime[DDIR_WRITE] -= rt[i];
6c041a88 1988 if (td_trim(td) && td->ts.io_bytes[DDIR_TRIM])
6eaf09d6 1989 td->ts.runtime[DDIR_TRIM] -= rt[i];
b852e7cf
JA
1990 }
1991
1992 free(rt);
971caeb1 1993 fio_sem_up(stat_sem);
b852e7cf
JA
1994}
1995
8985b491 1996static bool status_interval_init;
8b6a404c 1997static struct timespec status_time;
8985b491 1998static bool status_file_disabled;
06464907 1999
dac45f23 2000#define FIO_STATUS_FILE "fio-dump-status"
06464907
JA
2001
2002static int check_status_file(void)
2003{
2004 struct stat sb;
a0bafb7d
BC
2005 const char *temp_dir;
2006 char fio_status_file_path[PATH_MAX];
06464907 2007
77d99675
JA
2008 if (status_file_disabled)
2009 return 0;
2010
a0bafb7d 2011 temp_dir = getenv("TMPDIR");
48b16e27 2012 if (temp_dir == NULL) {
a0bafb7d 2013 temp_dir = getenv("TEMP");
48b16e27
JA
2014 if (temp_dir && strlen(temp_dir) >= PATH_MAX)
2015 temp_dir = NULL;
2016 }
a0bafb7d
BC
2017 if (temp_dir == NULL)
2018 temp_dir = "/tmp";
2019
2020 snprintf(fio_status_file_path, sizeof(fio_status_file_path), "%s/%s", temp_dir, FIO_STATUS_FILE);
2021
2022 if (stat(fio_status_file_path, &sb))
06464907
JA
2023 return 0;
2024
77d99675
JA
2025 if (unlink(fio_status_file_path) < 0) {
2026 log_err("fio: failed to unlink %s: %s\n", fio_status_file_path,
2027 strerror(errno));
2028 log_err("fio: disabling status file updates\n");
8985b491 2029 status_file_disabled = true;
77d99675
JA
2030 }
2031
06464907
JA
2032 return 1;
2033}
2034
2035void check_for_running_stats(void)
2036{
2037 if (status_interval) {
2038 if (!status_interval_init) {
2039 fio_gettime(&status_time, NULL);
8985b491 2040 status_interval_init = true;
06464907
JA
2041 } else if (mtime_since_now(&status_time) >= status_interval) {
2042 show_running_run_stats();
2043 fio_gettime(&status_time, NULL);
2044 return;
2045 }
2046 }
2047 if (check_status_file()) {
2048 show_running_run_stats();
2049 return;
2050 }
2051}
2052
d6bb626e 2053static inline void add_stat_sample(struct io_stat *is, unsigned long long data)
3c39a379 2054{
68704084 2055 double val = data;
6660cc67 2056 double delta;
68704084
JA
2057
2058 if (data > is->max_val)
2059 is->max_val = data;
2060 if (data < is->min_val)
2061 is->min_val = data;
2062
802ad4a8 2063 delta = val - is->mean.u.f;
ef11d737 2064 if (delta) {
802ad4a8
JA
2065 is->mean.u.f += delta / (is->samples + 1.0);
2066 is->S.u.f += delta * (val - is->mean.u.f);
ef11d737 2067 }
3c39a379 2068
3c39a379
JA
2069 is->samples++;
2070}
2071
7e419452
JA
2072/*
2073 * Return a struct io_logs, which is added to the tail of the log
2074 * list for 'iolog'.
2075 */
2076static struct io_logs *get_new_log(struct io_log *iolog)
2077{
2078 size_t new_size, new_samples;
2079 struct io_logs *cur_log;
2080
2081 /*
2082 * Cap the size at MAX_LOG_ENTRIES, so we don't keep doubling
2083 * forever
2084 */
2085 if (!iolog->cur_log_max)
2086 new_samples = DEF_LOG_ENTRIES;
2087 else {
2088 new_samples = iolog->cur_log_max * 2;
2089 if (new_samples > MAX_LOG_ENTRIES)
2090 new_samples = MAX_LOG_ENTRIES;
2091 }
2092
7e419452 2093 new_size = new_samples * log_entry_sz(iolog);
7e419452 2094
90d2d53f 2095 cur_log = smalloc(sizeof(*cur_log));
7e419452
JA
2096 if (cur_log) {
2097 INIT_FLIST_HEAD(&cur_log->list);
2098 cur_log->log = malloc(new_size);
2099 if (cur_log->log) {
2100 cur_log->nr_samples = 0;
2101 cur_log->max_samples = new_samples;
2102 flist_add_tail(&cur_log->list, &iolog->io_logs);
2103 iolog->cur_log_max = new_samples;
2104 return cur_log;
2105 }
90d2d53f 2106 sfree(cur_log);
7e419452
JA
2107 }
2108
2109 return NULL;
2110}
2111
1fed2080
JA
2112/*
2113 * Add and return a new log chunk, or return current log if big enough
2114 */
2115static struct io_logs *regrow_log(struct io_log *iolog)
7e419452
JA
2116{
2117 struct io_logs *cur_log;
1fed2080 2118 int i;
7e419452 2119
1fed2080 2120 if (!iolog || iolog->disabled)
2ab71dc4 2121 goto disable;
7e419452 2122
1fed2080 2123 cur_log = iolog_cur_log(iolog);
a9afa45a
JA
2124 if (!cur_log) {
2125 cur_log = get_new_log(iolog);
2126 if (!cur_log)
2127 return NULL;
2128 }
2129
7e419452
JA
2130 if (cur_log->nr_samples < cur_log->max_samples)
2131 return cur_log;
2132
2133 /*
2134 * No room for a new sample. If we're compressing on the fly, flush
2135 * out the current chunk
2136 */
2137 if (iolog->log_gz) {
2138 if (iolog_cur_flush(iolog, cur_log)) {
2139 log_err("fio: failed flushing iolog! Will stop logging.\n");
2140 return NULL;
2141 }
2142 }
2143
2144 /*
2145 * Get a new log array, and add to our list
2146 */
2147 cur_log = get_new_log(iolog);
1fed2080
JA
2148 if (!cur_log) {
2149 log_err("fio: failed extending iolog! Will stop logging.\n");
2150 return NULL;
2151 }
2152
2153 if (!iolog->pending || !iolog->pending->nr_samples)
80a24ba9 2154 return cur_log;
7e419452 2155
1fed2080
JA
2156 /*
2157 * Flush pending items to new log
2158 */
2159 for (i = 0; i < iolog->pending->nr_samples; i++) {
2160 struct io_sample *src, *dst;
2161
2162 src = get_sample(iolog, iolog->pending, i);
2163 dst = get_sample(iolog, cur_log, i);
2164 memcpy(dst, src, log_entry_sz(iolog));
2165 }
0b2eef49 2166 cur_log->nr_samples = iolog->pending->nr_samples;
1fed2080
JA
2167
2168 iolog->pending->nr_samples = 0;
2169 return cur_log;
2ab71dc4
JA
2170disable:
2171 if (iolog)
2172 iolog->disabled = true;
2173 return NULL;
1fed2080
JA
2174}
2175
2176void regrow_logs(struct thread_data *td)
2177{
2ab71dc4
JA
2178 regrow_log(td->slat_log);
2179 regrow_log(td->clat_log);
1e613c9c 2180 regrow_log(td->clat_hist_log);
2ab71dc4
JA
2181 regrow_log(td->lat_log);
2182 regrow_log(td->bw_log);
2183 regrow_log(td->iops_log);
1fed2080
JA
2184 td->flags &= ~TD_F_REGROW_LOGS;
2185}
2186
2187static struct io_logs *get_cur_log(struct io_log *iolog)
2188{
2189 struct io_logs *cur_log;
2190
2191 cur_log = iolog_cur_log(iolog);
2192 if (!cur_log) {
2193 cur_log = get_new_log(iolog);
2194 if (!cur_log)
2195 return NULL;
2196 }
2197
2198 if (cur_log->nr_samples < cur_log->max_samples)
2199 return cur_log;
2200
2201 /*
1eb467fb
JA
2202 * Out of space. If we're in IO offload mode, or we're not doing
2203 * per unit logging (hence logging happens outside of the IO thread
2204 * as well), add a new log chunk inline. If we're doing inline
2205 * submissions, flag 'td' as needing a log regrow and we'll take
2206 * care of it on the submission side.
1fed2080 2207 */
1eb467fb
JA
2208 if (iolog->td->o.io_submit_mode == IO_MODE_OFFLOAD ||
2209 !per_unit_log(iolog))
1fed2080
JA
2210 return regrow_log(iolog);
2211
2212 iolog->td->flags |= TD_F_REGROW_LOGS;
2213 assert(iolog->pending->nr_samples < iolog->pending->max_samples);
2214 return iolog->pending;
7e419452
JA
2215}
2216
af2fde19 2217static void __add_log_sample(struct io_log *iolog, union io_sample_data data,
306ddc97 2218 enum fio_ddir ddir, unsigned int bs,
ae588852 2219 unsigned long t, uint64_t offset)
3c39a379 2220{
7e419452 2221 struct io_logs *cur_log;
306ddc97 2222
3c568239
JA
2223 if (iolog->disabled)
2224 return;
7e419452 2225 if (flist_empty(&iolog->io_logs))
8355119b 2226 iolog->avg_last[ddir] = t;
b8bc8cba 2227
7e419452
JA
2228 cur_log = get_cur_log(iolog);
2229 if (cur_log) {
2230 struct io_sample *s;
3c39a379 2231
7e419452 2232 s = get_sample(iolog, cur_log, cur_log->nr_samples);
3c39a379 2233
af2fde19 2234 s->data = data;
a9179eeb 2235 s->time = t + (iolog->td ? iolog->td->unix_epoch : 0);
7e419452
JA
2236 io_sample_set_ddir(iolog, s, ddir);
2237 s->bs = bs;
ae588852 2238
7e419452
JA
2239 if (iolog->log_offset) {
2240 struct io_sample_offset *so = (void *) s;
ae588852 2241
7e419452
JA
2242 so->offset = offset;
2243 }
ae588852 2244
7e419452
JA
2245 cur_log->nr_samples++;
2246 return;
ae588852
JA
2247 }
2248
7e419452 2249 iolog->disabled = true;
3c39a379
JA
2250}
2251
7fb28d36
JA
2252static inline void reset_io_stat(struct io_stat *ios)
2253{
2254 ios->max_val = ios->min_val = ios->samples = 0;
2255 ios->mean.u.f = ios->S.u.f = 0;
2256}
2257
6bb58215
JA
2258void reset_io_stats(struct thread_data *td)
2259{
2260 struct thread_stat *ts = &td->ts;
2261 int i, j;
2262
2263 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
2264 reset_io_stat(&ts->clat_stat[i]);
2265 reset_io_stat(&ts->slat_stat[i]);
2266 reset_io_stat(&ts->lat_stat[i]);
2267 reset_io_stat(&ts->bw_stat[i]);
2268 reset_io_stat(&ts->iops_stat[i]);
2269
2270 ts->io_bytes[i] = 0;
2271 ts->runtime[i] = 0;
71cb78c1
VF
2272 ts->total_io_u[i] = 0;
2273 ts->short_io_u[i] = 0;
2274 ts->drop_io_u[i] = 0;
6bb58215 2275
b2b3eefe 2276 for (j = 0; j < FIO_IO_U_PLAT_NR; j++) {
6bb58215 2277 ts->io_u_plat[i][j] = 0;
b2b3eefe
JA
2278 if (!i)
2279 ts->io_u_sync_plat[j] = 0;
2280 }
6bb58215
JA
2281 }
2282
7f3ecee2
JA
2283 ts->total_io_u[DDIR_SYNC] = 0;
2284
6bb58215
JA
2285 for (i = 0; i < FIO_IO_U_MAP_NR; i++) {
2286 ts->io_u_map[i] = 0;
2287 ts->io_u_submit[i] = 0;
2288 ts->io_u_complete[i] = 0;
71cb78c1
VF
2289 }
2290
d6bb626e
VF
2291 for (i = 0; i < FIO_IO_U_LAT_N_NR; i++)
2292 ts->io_u_lat_n[i] = 0;
71cb78c1 2293 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++)
6bb58215 2294 ts->io_u_lat_u[i] = 0;
71cb78c1 2295 for (i = 0; i < FIO_IO_U_LAT_M_NR; i++)
6bb58215 2296 ts->io_u_lat_m[i] = 0;
6bb58215 2297
71cb78c1
VF
2298 ts->total_submit = 0;
2299 ts->total_complete = 0;
6bb58215
JA
2300}
2301
d96d3bb3 2302static void __add_stat_to_log(struct io_log *iolog, enum fio_ddir ddir,
e6989e10 2303 unsigned long elapsed, bool log_max)
99007068
PO
2304{
2305 /*
2306 * Note an entry in the log. Use the mean from the logged samples,
2307 * making sure to properly round up. Only write a log entry if we
2308 * had actual samples done.
2309 */
d96d3bb3 2310 if (iolog->avg_window[ddir].samples) {
af2fde19 2311 union io_sample_data data;
99007068 2312
e6989e10 2313 if (log_max)
af2fde19 2314 data.val = iolog->avg_window[ddir].max_val;
e6989e10 2315 else
af2fde19 2316 data.val = iolog->avg_window[ddir].mean.u.f + 0.50;
e6989e10 2317
af2fde19 2318 __add_log_sample(iolog, data, ddir, 0, elapsed, 0);
99007068 2319 }
99007068 2320
d96d3bb3
JA
2321 reset_io_stat(&iolog->avg_window[ddir]);
2322}
99007068 2323
e6989e10
JA
2324static void _add_stat_to_log(struct io_log *iolog, unsigned long elapsed,
2325 bool log_max)
d96d3bb3
JA
2326{
2327 int ddir;
99007068 2328
d96d3bb3 2329 for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++)
e6989e10 2330 __add_stat_to_log(iolog, ddir, elapsed, log_max);
99007068
PO
2331}
2332
674456bf
JF
2333static unsigned long add_log_sample(struct thread_data *td,
2334 struct io_log *iolog,
2335 union io_sample_data data,
2336 enum fio_ddir ddir, unsigned int bs,
2337 uint64_t offset)
bb3884d8 2338{
7fb28d36 2339 unsigned long elapsed, this_window;
b8bc8cba 2340
ff58fced 2341 if (!ddir_rw(ddir))
d454a205 2342 return 0;
ff58fced 2343
b8bc8cba
JA
2344 elapsed = mtime_since_now(&td->epoch);
2345
2346 /*
2347 * If no time averaging, just add the log sample.
2348 */
2349 if (!iolog->avg_msec) {
af2fde19 2350 __add_log_sample(iolog, data, ddir, bs, elapsed, offset);
d454a205 2351 return 0;
b8bc8cba
JA
2352 }
2353
2354 /*
2355 * Add the sample. If the time period has passed, then
2356 * add that entry to the log and clear.
2357 */
af2fde19 2358 add_stat_sample(&iolog->avg_window[ddir], data.val);
b8bc8cba 2359
7fb28d36
JA
2360 /*
2361 * If period hasn't passed, adding the above sample is all we
2362 * need to do.
2363 */
8355119b
SW
2364 this_window = elapsed - iolog->avg_last[ddir];
2365 if (elapsed < iolog->avg_last[ddir])
2366 return iolog->avg_last[ddir] - elapsed;
f5a568cf 2367 else if (this_window < iolog->avg_msec) {
674456bf 2368 unsigned long diff = iolog->avg_msec - this_window;
d454a205 2369
b392f36d 2370 if (inline_log(iolog) || diff > LOG_MSEC_SLACK)
d454a205
JA
2371 return diff;
2372 }
b8bc8cba 2373
8355119b 2374 __add_stat_to_log(iolog, ddir, elapsed, td->o.log_max != 0);
b8bc8cba 2375
8355119b 2376 iolog->avg_last[ddir] = elapsed - (this_window - iolog->avg_msec);
d454a205 2377 return iolog->avg_msec;
99007068 2378}
6eaf09d6 2379
a47591e4 2380void finalize_logs(struct thread_data *td, bool unit_logs)
99007068
PO
2381{
2382 unsigned long elapsed;
6eaf09d6 2383
99007068 2384 elapsed = mtime_since_now(&td->epoch);
b8bc8cba 2385
a47591e4 2386 if (td->clat_log && unit_logs)
e6989e10 2387 _add_stat_to_log(td->clat_log, elapsed, td->o.log_max != 0);
a47591e4 2388 if (td->slat_log && unit_logs)
e6989e10 2389 _add_stat_to_log(td->slat_log, elapsed, td->o.log_max != 0);
a47591e4 2390 if (td->lat_log && unit_logs)
e6989e10 2391 _add_stat_to_log(td->lat_log, elapsed, td->o.log_max != 0);
a47591e4 2392 if (td->bw_log && (unit_logs == per_unit_log(td->bw_log)))
e6989e10 2393 _add_stat_to_log(td->bw_log, elapsed, td->o.log_max != 0);
a47591e4 2394 if (td->iops_log && (unit_logs == per_unit_log(td->iops_log)))
e6989e10 2395 _add_stat_to_log(td->iops_log, elapsed, td->o.log_max != 0);
bb3884d8
JA
2396}
2397
af2fde19 2398void add_agg_sample(union io_sample_data data, enum fio_ddir ddir, unsigned int bs)
bb3884d8 2399{
ff58fced 2400 struct io_log *iolog;
bb3884d8 2401
ff58fced
JA
2402 if (!ddir_rw(ddir))
2403 return;
2404
2405 iolog = agg_io_log[ddir];
af2fde19 2406 __add_log_sample(iolog, data, ddir, bs, mtime_since_genesis(), 0);
bb3884d8
JA
2407}
2408
b2b3eefe
JA
2409void add_sync_clat_sample(struct thread_stat *ts, unsigned long long nsec)
2410{
2411 unsigned int idx = plat_val_to_idx(nsec);
2412 assert(idx < FIO_IO_U_PLAT_NR);
2413
2414 ts->io_u_sync_plat[idx]++;
2415 add_stat_sample(&ts->sync_stat, nsec);
2416}
2417
83349190 2418static void add_clat_percentile_sample(struct thread_stat *ts,
d6bb626e 2419 unsigned long long nsec, enum fio_ddir ddir)
83349190 2420{
d6bb626e 2421 unsigned int idx = plat_val_to_idx(nsec);
83349190
YH
2422 assert(idx < FIO_IO_U_PLAT_NR);
2423
2424 ts->io_u_plat[ddir][idx]++;
2425}
2426
1e97cce9 2427void add_clat_sample(struct thread_data *td, enum fio_ddir ddir,
d6bb626e 2428 unsigned long long nsec, unsigned int bs, uint64_t offset)
3c39a379 2429{
1e613c9c 2430 unsigned long elapsed, this_window;
756867bd 2431 struct thread_stat *ts = &td->ts;
1e613c9c 2432 struct io_log *iolog = td->clat_hist_log;
079ad09b 2433
75dc383e
JA
2434 td_io_u_lock(td);
2435
d6bb626e 2436 add_stat_sample(&ts->clat_stat[ddir], nsec);
3c39a379 2437
7b9f733a 2438 if (td->clat_log)
d6bb626e 2439 add_log_sample(td, td->clat_log, sample_val(nsec), ddir, bs,
af2fde19 2440 offset);
83349190
YH
2441
2442 if (ts->clat_percentiles)
d6bb626e 2443 add_clat_percentile_sample(ts, nsec, ddir);
75dc383e 2444
1e613c9c 2445 if (iolog && iolog->hist_msec) {
93168285
JA
2446 struct io_hist *hw = &iolog->hist_window[ddir];
2447
2448 hw->samples++;
1e613c9c 2449 elapsed = mtime_since_now(&td->epoch);
93168285 2450 if (!hw->hist_last)
1e613c9c
KC
2451 hw->hist_last = elapsed;
2452 this_window = elapsed - hw->hist_last;
2453
2454 if (this_window >= iolog->hist_msec) {
6cc0e5aa 2455 uint64_t *io_u_plat;
65a4d15c 2456 struct io_u_plat_entry *dst;
93168285 2457
1e613c9c 2458 /*
93168285
JA
2459 * Make a byte-for-byte copy of the latency histogram
2460 * stored in td->ts.io_u_plat[ddir], recording it in a
2461 * log sample. Note that the matching call to free() is
2462 * located in iolog.c after printing this sample to the
2463 * log file.
1e613c9c 2464 */
6cc0e5aa 2465 io_u_plat = (uint64_t *) td->ts.io_u_plat[ddir];
65a4d15c
KC
2466 dst = malloc(sizeof(struct io_u_plat_entry));
2467 memcpy(&(dst->io_u_plat), io_u_plat,
93168285 2468 FIO_IO_U_PLAT_NR * sizeof(unsigned int));
d730bc58 2469 flist_add(&dst->list, &hw->list);
af2fde19 2470 __add_log_sample(iolog, sample_plat(dst), ddir, bs,
93168285 2471 elapsed, offset);
1e613c9c
KC
2472
2473 /*
93168285
JA
2474 * Update the last time we recorded as being now, minus
2475 * any drift in time we encountered before actually
2476 * making the record.
1e613c9c
KC
2477 */
2478 hw->hist_last = elapsed - (this_window - iolog->hist_msec);
2479 hw->samples = 0;
2480 }
2481 }
2482
75dc383e 2483 td_io_u_unlock(td);
3c39a379
JA
2484}
2485
1e97cce9 2486void add_slat_sample(struct thread_data *td, enum fio_ddir ddir,
ae588852 2487 unsigned long usec, unsigned int bs, uint64_t offset)
3c39a379 2488{
756867bd 2489 struct thread_stat *ts = &td->ts;
079ad09b 2490
ff58fced
JA
2491 if (!ddir_rw(ddir))
2492 return;
2493
75dc383e
JA
2494 td_io_u_lock(td);
2495
d85f5118 2496 add_stat_sample(&ts->slat_stat[ddir], usec);
3c39a379 2497
7b9f733a 2498 if (td->slat_log)
af2fde19 2499 add_log_sample(td, td->slat_log, sample_val(usec), ddir, bs, offset);
75dc383e
JA
2500
2501 td_io_u_unlock(td);
3c39a379
JA
2502}
2503
02af0988 2504void add_lat_sample(struct thread_data *td, enum fio_ddir ddir,
d6bb626e 2505 unsigned long long nsec, unsigned int bs, uint64_t offset)
02af0988
JA
2506{
2507 struct thread_stat *ts = &td->ts;
2508
ff58fced
JA
2509 if (!ddir_rw(ddir))
2510 return;
2511
75dc383e
JA
2512 td_io_u_lock(td);
2513
d6bb626e 2514 add_stat_sample(&ts->lat_stat[ddir], nsec);
02af0988 2515
7b9f733a 2516 if (td->lat_log)
d6bb626e 2517 add_log_sample(td, td->lat_log, sample_val(nsec), ddir, bs,
af2fde19 2518 offset);
75dc383e 2519
b599759b
JA
2520 if (ts->lat_percentiles)
2521 add_clat_percentile_sample(ts, nsec, ddir);
2522
75dc383e 2523 td_io_u_unlock(td);
02af0988
JA
2524}
2525
a47591e4 2526void add_bw_sample(struct thread_data *td, struct io_u *io_u,
d6bb626e 2527 unsigned int bytes, unsigned long long spent)
a47591e4
JA
2528{
2529 struct thread_stat *ts = &td->ts;
2530 unsigned long rate;
2531
2532 if (spent)
d6bb626e 2533 rate = (unsigned long) (bytes * 1000000ULL / spent);
a47591e4
JA
2534 else
2535 rate = 0;
2536
2537 td_io_u_lock(td);
2538
2539 add_stat_sample(&ts->bw_stat[io_u->ddir], rate);
2540
2541 if (td->bw_log)
af2fde19
SW
2542 add_log_sample(td, td->bw_log, sample_val(rate), io_u->ddir,
2543 bytes, io_u->offset);
a47591e4
JA
2544
2545 td->stat_io_bytes[io_u->ddir] = td->this_io_bytes[io_u->ddir];
2546 td_io_u_unlock(td);
2547}
2548
8b6a404c
VF
2549static int __add_samples(struct thread_data *td, struct timespec *parent_tv,
2550 struct timespec *t, unsigned int avg_time,
4843277a
JA
2551 uint64_t *this_io_bytes, uint64_t *stat_io_bytes,
2552 struct io_stat *stat, struct io_log *log,
2553 bool is_kb)
3c39a379 2554{
ff58fced 2555 unsigned long spent, rate;
a47591e4 2556 enum fio_ddir ddir;
674456bf 2557 unsigned long next, next_log;
d454a205 2558
4843277a 2559 next_log = avg_time;
ff58fced 2560
4843277a
JA
2561 spent = mtime_since(parent_tv, t);
2562 if (spent < avg_time && avg_time - spent >= LOG_MSEC_SLACK)
2563 return avg_time - spent;
9602d8df 2564
a9da8ab2
JA
2565 td_io_u_lock(td);
2566
9602d8df 2567 /*
5daa4ebe
JC
2568 * Compute both read and write rates for the interval.
2569 */
c1f50f76 2570 for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++) {
5daa4ebe
JC
2571 uint64_t delta;
2572
4843277a 2573 delta = this_io_bytes[ddir] - stat_io_bytes[ddir];
5daa4ebe
JC
2574 if (!delta)
2575 continue; /* No entries for interval */
3c39a379 2576
4843277a
JA
2577 if (spent) {
2578 if (is_kb)
2579 rate = delta * 1000 / spent / 1024; /* KiB/s */
2580 else
2581 rate = (delta * 1000) / spent;
2582 } else
0956264f
JA
2583 rate = 0;
2584
4843277a 2585 add_stat_sample(&stat[ddir], rate);
3c39a379 2586
37181709 2587 if (log) {
66b98c9f
JA
2588 unsigned int bs = 0;
2589
2590 if (td->o.min_bs[ddir] == td->o.max_bs[ddir])
2591 bs = td->o.min_bs[ddir];
2592
4843277a 2593 next = add_log_sample(td, log, sample_val(rate), ddir, bs, 0);
d454a205 2594 next_log = min(next_log, next);
66b98c9f 2595 }
5daa4ebe 2596
4843277a 2597 stat_io_bytes[ddir] = this_io_bytes[ddir];
5daa4ebe 2598 }
3c39a379 2599
8b6a404c 2600 timespec_add_msec(parent_tv, avg_time);
a47591e4
JA
2601
2602 td_io_u_unlock(td);
2603
4843277a
JA
2604 if (spent <= avg_time)
2605 next = avg_time;
306fea38 2606 else
4843277a 2607 next = avg_time - (1 + spent - avg_time);
a47591e4 2608
d454a205 2609 return min(next, next_log);
a47591e4
JA
2610}
2611
8b6a404c 2612static int add_bw_samples(struct thread_data *td, struct timespec *t)
4843277a
JA
2613{
2614 return __add_samples(td, &td->bw_sample_time, t, td->o.bw_avg_time,
2615 td->this_io_bytes, td->stat_io_bytes,
2616 td->ts.bw_stat, td->bw_log, true);
2617}
2618
a47591e4
JA
2619void add_iops_sample(struct thread_data *td, struct io_u *io_u,
2620 unsigned int bytes)
2621{
2622 struct thread_stat *ts = &td->ts;
2623
2624 td_io_u_lock(td);
2625
2626 add_stat_sample(&ts->iops_stat[io_u->ddir], 1);
2627
2628 if (td->iops_log)
af2fde19
SW
2629 add_log_sample(td, td->iops_log, sample_val(1), io_u->ddir,
2630 bytes, io_u->offset);
a47591e4
JA
2631
2632 td->stat_io_blocks[io_u->ddir] = td->this_io_blocks[io_u->ddir];
a9da8ab2 2633 td_io_u_unlock(td);
3c39a379 2634}
c8eeb9df 2635
8b6a404c 2636static int add_iops_samples(struct thread_data *td, struct timespec *t)
c8eeb9df 2637{
4843277a
JA
2638 return __add_samples(td, &td->iops_sample_time, t, td->o.iops_avg_time,
2639 td->this_io_blocks, td->stat_io_blocks,
2640 td->ts.iops_stat, td->iops_log, false);
a47591e4
JA
2641}
2642
2643/*
2644 * Returns msecs to next event
2645 */
2646int calc_log_samples(void)
2647{
2648 struct thread_data *td;
2649 unsigned int next = ~0U, tmp;
8b6a404c 2650 struct timespec now;
a47591e4
JA
2651 int i;
2652
2653 fio_gettime(&now, NULL);
2654
2655 for_each_td(td, i) {
8243be59
JA
2656 if (!td->o.stats)
2657 continue;
6a89b401 2658 if (in_ramp_time(td) ||
a47591e4
JA
2659 !(td->runstate == TD_RUNNING || td->runstate == TD_VERIFYING)) {
2660 next = min(td->o.iops_avg_time, td->o.bw_avg_time);
2661 continue;
2662 }
37181709
AH
2663 if (!td->bw_log ||
2664 (td->bw_log && !per_unit_log(td->bw_log))) {
a47591e4
JA
2665 tmp = add_bw_samples(td, &now);
2666 if (tmp < next)
2667 next = tmp;
2668 }
37181709
AH
2669 if (!td->iops_log ||
2670 (td->iops_log && !per_unit_log(td->iops_log))) {
a47591e4
JA
2671 tmp = add_iops_samples(td, &now);
2672 if (tmp < next)
2673 next = tmp;
2674 }
2675 }
2676
2677 return next == ~0U ? 0 : next;
c8eeb9df 2678}
cef9175e
JA
2679
2680void stat_init(void)
2681{
971caeb1 2682 stat_sem = fio_sem_init(FIO_SEM_UNLOCKED);
cef9175e
JA
2683}
2684
2685void stat_exit(void)
2686{
2687 /*
2688 * When we have the mutex, we know out-of-band access to it
2689 * have ended.
2690 */
971caeb1
BVA
2691 fio_sem_down(stat_sem);
2692 fio_sem_remove(stat_sem);
cef9175e 2693}
b2ee7647 2694
b2ee7647
JA
2695/*
2696 * Called from signal handler. Wake up status thread.
2697 */
2698void show_running_run_stats(void)
2699{
a47591e4 2700 helper_do_stat();
b2ee7647 2701}
66347cfa
DE
2702
2703uint32_t *io_u_block_info(struct thread_data *td, struct io_u *io_u)
2704{
2705 /* Ignore io_u's which span multiple blocks--they will just get
2706 * inaccurate counts. */
2707 int idx = (io_u->offset - io_u->file->file_offset)
2708 / td->o.bs[DDIR_TRIM];
2709 uint32_t *info = &td->ts.block_infos[idx];
2710 assert(idx < td->ts.nr_block_infos);
2711 return info;
2712}