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Remove leftover warnings
[fio.git] / stat.c
CommitLineData
3c39a379
JA		 1#include <stdio.h>
2#include <string.h>
3#include <sys/time.h>
4#include <sys/types.h>
5c4e1dbc 5#include <sys/stat.h>
3c39a379
JA		 6#include <dirent.h>
7#include <libgen.h>
8#include <math.h>
9
10#include "fio.h"
7c9b1bce 11#include "diskutil.h"
c7c6cb4c 12#include "lib/ieee754.h"
cc372b17 13#include "json.h"
44404c5a 14#include "lib/getrusage.h"
f2a2ce0e 15#include "idletime.h"
0f38bbef 16#include "lib/pow2.h"
a666cab8 17#include "lib/output_buffer.h"
a39fb9ea 18#include "helper_thread.h"
90d2d53f 19#include "smalloc.h"
3c39a379 20
d454a205
JA		 21#define LOG_MSEC_SLACK 10
22
e5437a07 23struct fio_mutex *stat_mutex;
cef9175e 24
210dd0fc
JA		 25void clear_rusage_stat(struct thread_data *td)
26{
27 struct thread_stat *ts = &td->ts;
28
29 fio_getrusage(&td->ru_start);
30 ts->usr_time = ts->sys_time = 0;
31 ts->ctx = 0;
32 ts->minf = ts->majf = 0;
33}
34
3c39a379
JA		 35void update_rusage_stat(struct thread_data *td)
36{
756867bd 37 struct thread_stat *ts = &td->ts;
3c39a379 38
44404c5a 39 fio_getrusage(&td->ru_end);
c8aaba19
JA		 40 ts->usr_time += mtime_since(&td->ru_start.ru_utime,
41 &td->ru_end.ru_utime);
42 ts->sys_time += mtime_since(&td->ru_start.ru_stime,
43 &td->ru_end.ru_stime);
44 ts->ctx += td->ru_end.ru_nvcsw + td->ru_end.ru_nivcsw
45 - (td->ru_start.ru_nvcsw + td->ru_start.ru_nivcsw);
46 ts->minf += td->ru_end.ru_minflt - td->ru_start.ru_minflt;
47 ts->majf += td->ru_end.ru_majflt - td->ru_start.ru_majflt;
5ec10eaa 48
c8aaba19 49 memcpy(&td->ru_start, &td->ru_end, sizeof(td->ru_end));
3c39a379
JA		 50}
51
83349190
YH		 52/*
53 * Given a latency, return the index of the corresponding bucket in
54 * the structure tracking percentiles.
55 *
56 * (1) find the group (and error bits) that the value (latency)
57 * belongs to by looking at its MSB. (2) find the bucket number in the
58 * group by looking at the index bits.
59 *
60 */
61static unsigned int plat_val_to_idx(unsigned int val)
62{
63 unsigned int msb, error_bits, base, offset, idx;
64
65 /* Find MSB starting from bit 0 */
66 if (val == 0)
67 msb = 0;
68 else
69 msb = (sizeof(val)*8) - __builtin_clz(val) - 1;
70
716050f2
JA		 71 /*
72 * MSB <= (FIO_IO_U_PLAT_BITS-1), cannot be rounded off. Use
73 * all bits of the sample as index
74 */
83349190
YH		 75 if (msb <= FIO_IO_U_PLAT_BITS)
76 return val;
77
78 /* Compute the number of error bits to discard*/
79 error_bits = msb - FIO_IO_U_PLAT_BITS;
80
81 /* Compute the number of buckets before the group */
82 base = (error_bits + 1) << FIO_IO_U_PLAT_BITS;
83
716050f2
JA		 84 /*
85 * Discard the error bits and apply the mask to find the
3c3ed070 86 * index for the buckets in the group
716050f2 87 */
83349190
YH		 88 offset = (FIO_IO_U_PLAT_VAL - 1) & (val >> error_bits);
89
90 /* Make sure the index does not exceed (array size - 1) */
3c3ed070 91 idx = (base + offset) < (FIO_IO_U_PLAT_NR - 1) ?
83349190
YH		 92 (base + offset) : (FIO_IO_U_PLAT_NR - 1);
93
94 return idx;
95}
96
97/*
98 * Convert the given index of the bucket array to the value
99 * represented by the bucket
100 */
129e4193 101static unsigned long long plat_idx_to_val(unsigned int idx)
83349190
YH		 102{
103 unsigned int error_bits, k, base;
104
105 assert(idx < FIO_IO_U_PLAT_NR);
106
107 /* MSB <= (FIO_IO_U_PLAT_BITS-1), cannot be rounded off. Use
108 * all bits of the sample as index */
3c3ed070 109 if (idx < (FIO_IO_U_PLAT_VAL << 1))
83349190
YH		 110 return idx;
111
112 /* Find the group and compute the minimum value of that group */
3c3ed070 113 error_bits = (idx >> FIO_IO_U_PLAT_BITS) - 1;
83349190
YH		 114 base = 1 << (error_bits + FIO_IO_U_PLAT_BITS);
115
116 /* Find its bucket number of the group */
117 k = idx % FIO_IO_U_PLAT_VAL;
118
119 /* Return the mean of the range of the bucket */
120 return base + ((k + 0.5) * (1 << error_bits));
121}
122
123static int double_cmp(const void *a, const void *b)
124{
802ad4a8
JA		 125 const fio_fp64_t fa = *(const fio_fp64_t *) a;
126 const fio_fp64_t fb = *(const fio_fp64_t *) b;
83349190
YH		 127 int cmp = 0;
128
802ad4a8 129 if (fa.u.f > fb.u.f)
83349190 130 cmp = 1;
802ad4a8 131 else if (fa.u.f < fb.u.f)
83349190
YH		 132 cmp = -1;
133
134 return cmp;
135}
136
a269790c
JA		 137unsigned int calc_clat_percentiles(unsigned int *io_u_plat, unsigned long nr,
138 fio_fp64_t *plist, unsigned int **output,
139 unsigned int *maxv, unsigned int *minv)
83349190
YH		 140{
141 unsigned long sum = 0;
1db92cb6
JA		 142 unsigned int len, i, j = 0;
143 unsigned int oval_len = 0;
144 unsigned int *ovals = NULL;
145 int is_last;
146
147 *minv = -1U;
148 *maxv = 0;
83349190 149
802ad4a8
JA		 150 len = 0;
151 while (len < FIO_IO_U_LIST_MAX_LEN && plist[len].u.f != 0.0)
152 len++;
716050f2 153
351de8de 154 if (!len)
1db92cb6 155 return 0;
351de8de 156
716050f2 157 /*
802ad4a8
JA		 158 * Sort the percentile list. Note that it may already be sorted if
159 * we are using the default values, but since it's a short list this
160 * isn't a worry. Also note that this does not work for NaN values.
716050f2 161 */
802ad4a8 162 if (len > 1)
3c3ed070 163 qsort((void *)plist, len, sizeof(plist[0]), double_cmp);
83349190 164
4f6f8298
JA		 165 /*
166 * Calculate bucket values, note down max and min values
167 */
07511a63
JA		 168 is_last = 0;
169 for (i = 0; i < FIO_IO_U_PLAT_NR && !is_last; i++) {
83349190 170 sum += io_u_plat[i];
802ad4a8
JA		 171 while (sum >= (plist[j].u.f / 100.0 * nr)) {
172 assert(plist[j].u.f <= 100.0);
83349190 173
4f6f8298
JA		 174 if (j == oval_len) {
175 oval_len += 100;
176 ovals = realloc(ovals, oval_len * sizeof(unsigned int));
177 }
178
179 ovals[j] = plat_idx_to_val(i);
1db92cb6
JA		 180 if (ovals[j] < *minv)
181 *minv = ovals[j];
182 if (ovals[j] > *maxv)
183 *maxv = ovals[j];
07511a63
JA		 184
185 is_last = (j == len - 1);
186 if (is_last)
187 break;
188
4f6f8298
JA		 189 j++;
190 }
191 }
83349190 192
1db92cb6
JA		 193 *output = ovals;
194 return len;
195}
196
197/*
198 * Find and display the p-th percentile of clat
199 */
200static void show_clat_percentiles(unsigned int *io_u_plat, unsigned long nr,
a666cab8
JA		 201 fio_fp64_t *plist, unsigned int precision,
202 struct buf_output *out)
1db92cb6
JA		 203{
204 unsigned int len, j = 0, minv, maxv;
205 unsigned int *ovals;
eef02441
JA		 206 int is_last, per_line, scale_down;
207 char fmt[32];
1db92cb6
JA		 208
209 len = calc_clat_percentiles(io_u_plat, nr, plist, &ovals, &maxv, &minv);
210 if (!len)
211 goto out;
212
4f6f8298
JA		 213 /*
214 * We default to usecs, but if the value range is such that we
215 * should scale down to msecs, do that.
216 */
217 if (minv > 2000 && maxv > 99999) {
218 scale_down = 1;
a666cab8 219 log_buf(out, " clat percentiles (msec):\n |");
4f6f8298
JA		 220 } else {
221 scale_down = 0;
a666cab8 222 log_buf(out, " clat percentiles (usec):\n |");
4f6f8298 223 }
83349190 224
3dc1e5b2 225 snprintf(fmt, sizeof(fmt), "%%1.%uf", precision);
eef02441 226 per_line = (80 - 7) / (precision + 14);
619adf9c 227
4f6f8298 228 for (j = 0; j < len; j++) {
619adf9c 229 char fbuf[16], *ptr = fbuf;
81ab0b3a 230
4f6f8298 231 /* for formatting */
eef02441 232 if (j != 0 && (j % per_line) == 0)
a666cab8 233 log_buf(out, " |");
83349190 234
4f6f8298
JA		 235 /* end of the list */
236 is_last = (j == len - 1);
83349190 237
4f6f8298 238 if (plist[j].u.f < 10.0)
619adf9c
JA		 239 ptr += sprintf(fbuf, " ");
240
eef02441 241 snprintf(ptr, sizeof(fbuf), fmt, plist[j].u.f);
4f6f8298
JA		 242
243 if (scale_down)
244 ovals[j] = (ovals[j] + 999) / 1000;
245
a666cab8 246 log_buf(out, " %sth=[%5u]%c", fbuf, ovals[j], is_last ? '\n' : ',');
4f6f8298
JA		 247
248 if (is_last)
249 break;
250
eef02441 251 if ((j % per_line) == per_line - 1) /* for formatting */
a666cab8 252 log_buf(out, "\n");
83349190 253 }
4f6f8298 254
1db92cb6 255out:
4f6f8298
JA		 256 if (ovals)
257 free(ovals);
83349190
YH		 258}
259
8aa89d70
JA		 260bool calc_lat(struct io_stat *is, unsigned long *min, unsigned long *max,
261 double *mean, double *dev)
3c39a379 262{
ee0ccb79 263 double n = (double) is->samples;
3c39a379 264
ee0ccb79 265 if (n == 0)
8aa89d70 266 return false;
3c39a379
JA		 267
268 *min = is->min_val;
269 *max = is->max_val;
802ad4a8 270 *mean = is->mean.u.f;
e6d276f2 271
68704084 272 if (n > 1.0)
802ad4a8 273 *dev = sqrt(is->S.u.f / (n - 1.0));
ef9c5c40 274 else
4b43f54e 275 *dev = 0;
ef9c5c40 276
8aa89d70 277 return true;
3c39a379
JA		 278}
279
a666cab8 280void show_group_stats(struct group_run_stats *rs, struct buf_output *out)
3c39a379 281{
d694a6a7
RE		 282 char *io, *agg, *min, *max;
283 char *ioalt, *aggalt, *minalt, *maxalt;
42da5c8b 284 const char *str[] = { " READ", " WRITE" , " TRIM"};
dbe1125e
JA		 285 int i;
286
a666cab8 287 log_buf(out, "\nRun status group %d (all jobs):\n", rs->groupid);
3c39a379 288
6eaf09d6 289 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
90fef2d1
JA		 290 const int i2p = is_power_of_2(rs->kb_base);
291
dbe1125e
JA		 292 if (!rs->max_run[i])
293 continue;
294
d694a6a7
RE		 295 io = num2str(rs->iobytes[i], 4, 1, i2p, N2S_BYTE);
296 ioalt = num2str(rs->iobytes[i], 4, 1, !i2p, N2S_BYTE);
297 agg = num2str(rs->agg[i], 4, 1, i2p, rs->unit_base);
298 aggalt = num2str(rs->agg[i], 4, 1, !i2p, rs->unit_base);
299 min = num2str(rs->min_bw[i], 4, 1, i2p, rs->unit_base);
300 minalt = num2str(rs->min_bw[i], 4, 1, !i2p, rs->unit_base);
301 max = num2str(rs->max_bw[i], 4, 1, i2p, rs->unit_base);
302 maxalt = num2str(rs->max_bw[i], 4, 1, !i2p, rs->unit_base);
303 log_buf(out, "%s: bw=%s (%s), %s-%s (%s-%s), io=%s (%s), run=%llu-%llumsec\n",
42da5c8b 304 rs->unified_rw_rep ? " MIXED" : str[i],
d694a6a7 305 agg, aggalt, min, max, minalt, maxalt, io, ioalt,
4e0a8fa2
JA		 306 (unsigned long long) rs->min_run[i],
307 (unsigned long long) rs->max_run[i]);
dbe1125e 308
d694a6a7
RE		 309 free(io);
310 free(agg);
311 free(min);
312 free(max);
313 free(ioalt);
314 free(aggalt);
315 free(minalt);
316 free(maxalt);
dbe1125e 317 }
3c39a379
JA		 318}
319
2e33101f 320void stat_calc_dist(unsigned int *map, unsigned long total, double *io_u_dist)
2270890c
JA		 321{
322 int i;
323
324 /*
325 * Do depth distribution calculations
326 */
327 for (i = 0; i < FIO_IO_U_MAP_NR; i++) {
838bc709
JA		 328 if (total) {
329 io_u_dist[i] = (double) map[i] / (double) total;
330 io_u_dist[i] *= 100.0;
331 if (io_u_dist[i] < 0.1 && map[i])
332 io_u_dist[i] = 0.1;
333 } else
334 io_u_dist[i] = 0.0;
2270890c
JA		 335 }
336}
337
04a0feae
JA		 338static void stat_calc_lat(struct thread_stat *ts, double *dst,
339 unsigned int *src, int nr)
2270890c 340{
d79db122 341 unsigned long total = ddir_rw_sum(ts->total_io_u);
2270890c
JA		 342 int i;
343
344 /*
345 * Do latency distribution calculations
346 */
04a0feae 347 for (i = 0; i < nr; i++) {
838bc709
JA		 348 if (total) {
349 dst[i] = (double) src[i] / (double) total;
350 dst[i] *= 100.0;
351 if (dst[i] < 0.01 && src[i])
352 dst[i] = 0.01;
353 } else
354 dst[i] = 0.0;
2270890c
JA		 355 }
356}
357
e5bd1347 358void stat_calc_lat_u(struct thread_stat *ts, double *io_u_lat)
04a0feae
JA		 359{
360 stat_calc_lat(ts, io_u_lat, ts->io_u_lat_u, FIO_IO_U_LAT_U_NR);
361}
362
e5bd1347 363void stat_calc_lat_m(struct thread_stat *ts, double *io_u_lat)
04a0feae
JA		 364{
365 stat_calc_lat(ts, io_u_lat, ts->io_u_lat_m, FIO_IO_U_LAT_M_NR);
366}
367
b29ad562 368static void display_lat(const char *name, unsigned long min, unsigned long max,
a666cab8 369 double mean, double dev, struct buf_output *out)
ea2accc5 370{
b29ad562
JA		 371 const char *base = "(usec)";
372 char *minp, *maxp;
ea2accc5 373
8aa89d70 374 if (usec_to_msec(&min, &max, &mean, &dev))
b29ad562
JA		 375 base = "(msec)";
376
d694a6a7
RE		 377 minp = num2str(min, 6, 1, 0, N2S_NONE);
378 maxp = num2str(max, 6, 1, 0, N2S_NONE);
b29ad562 379
a666cab8 380 log_buf(out, " %s %s: min=%s, max=%s, avg=%5.02f,"
b29ad562
JA		 381 " stdev=%5.02f\n", name, base, minp, maxp, mean, dev);
382
383 free(minp);
384 free(maxp);
ea2accc5
JA		 385}
386
756867bd 387static void show_ddir_status(struct group_run_stats *rs, struct thread_stat *ts,
a666cab8 388 int ddir, struct buf_output *out)
3c39a379 389{
27624651 390 const char *str[] = { " read", "write", " trim" };
8879fd15 391 unsigned long min, max, runt;
b3605062 392 unsigned long long bw, iops;
3c39a379 393 double mean, dev;
d694a6a7 394 char *io_p, *bw_p, *bw_p_alt, *iops_p;
90fef2d1 395 int i2p;
3c39a379 396
ff58fced
JA		 397 assert(ddir_rw(ddir));
398
756867bd 399 if (!ts->runtime[ddir])
3c39a379
JA		 400 return;
401
90fef2d1 402 i2p = is_power_of_2(rs->kb_base);
8879fd15
JA		 403 runt = ts->runtime[ddir];
404
405 bw = (1000 * ts->io_bytes[ddir]) / runt;
d694a6a7
RE		 406 io_p = num2str(ts->io_bytes[ddir], 4, 1, i2p, N2S_BYTE);
407 bw_p = num2str(bw, 4, 1, i2p, ts->unit_base);
408 bw_p_alt = num2str(bw, 4, 1, !i2p, ts->unit_base);
8879fd15 409
0aacc50c 410 iops = (1000 * (uint64_t)ts->total_io_u[ddir]) / runt;
d694a6a7 411 iops_p = num2str(iops, 4, 1, 0, N2S_NONE);
dbe1125e 412
d694a6a7
RE		 413 log_buf(out, " %s: IOPS=%s, BW=%s (%s)(%s/%llumsec)\n",
414 rs->unified_rw_rep ? "mixed" : str[ddir],
415 iops_p, bw_p, bw_p_alt, io_p,
416 (unsigned long long) ts->runtime[ddir]);
dbe1125e
JA		 417
418 free(io_p);
419 free(bw_p);
d694a6a7 420 free(bw_p_alt);
b3605062 421 free(iops_p);
3c39a379 422
b29ad562 423 if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev))
a666cab8 424 display_lat("slat", min, max, mean, dev, out);
b29ad562 425 if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev))
a666cab8 426 display_lat("clat", min, max, mean, dev, out);
b29ad562 427 if (calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev))
a666cab8 428 display_lat(" lat", min, max, mean, dev, out);
02af0988 429
83349190
YH		 430 if (ts->clat_percentiles) {
431 show_clat_percentiles(ts->io_u_plat[ddir],
432 ts->clat_stat[ddir].samples,
435d195a 433 ts->percentile_list,
a666cab8 434 ts->percentile_precision, out);
83349190 435 }
079ad09b 436 if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) {
142c7f2d 437 double p_of_agg = 100.0, fkb_base = (double)rs->kb_base;
d694a6a7
RE		 438 const char *bw_str;
439
440 if ((rs->unit_base == 1) && i2p)
441 bw_str = "Kibit";
442 else if (rs->unit_base == 1)
443 bw_str = "kbit";
444 else if (i2p)
445 bw_str = "KiB";
446 else
447 bw_str = "kB";
d686990a
SN		 448
449 if (rs->unit_base == 1) {
450 min *= 8.0;
451 max *= 8.0;
452 mean *= 8.0;
453 dev *= 8.0;
454 }
3c39a379 455
2f2c6924 456 if (rs->agg[ddir]) {
19d3e967
JA		 457 p_of_agg = mean * 100 / (double) rs->agg[ddir];
458 if (p_of_agg > 100.0)
459 p_of_agg = 100.0;
460 }
b7017e32 461
142c7f2d
SN		 462 if (mean > fkb_base * fkb_base) {
463 min /= fkb_base;
464 max /= fkb_base;
465 mean /= fkb_base;
466 dev /= fkb_base;
d694a6a7 467 bw_str = (rs->unit_base == 1 ? "Mibit" : "MiB");
b7017e32
JA		 468 }
469
d694a6a7
RE		 470 log_buf(out, " bw (%5s/s): min=%5lu, max=%5lu, per=%3.2f%%, avg=%5.02f, stdev=%5.02f\n",
471 bw_str, min, max, p_of_agg, mean, dev);
3c39a379
JA		 472 }
473}
474
7e1773ba 475static int show_lat(double *io_u_lat, int nr, const char **ranges,
a666cab8 476 const char *msg, struct buf_output *out)
04a0feae 477{
7e1773ba 478 int new_line = 1, i, line = 0, shown = 0;
04a0feae
JA		 479
480 for (i = 0; i < nr; i++) {
481 if (io_u_lat[i] <= 0.0)
482 continue;
7e1773ba 483 shown = 1;
04a0feae 484 if (new_line) {
4539ed73 485 if (line)
a666cab8
JA		 486 log_buf(out, "\n");
487 log_buf(out, " lat (%s) : ", msg);
04a0feae
JA		 488 new_line = 0;
489 line = 0;
490 }
491 if (line)
a666cab8
JA		 492 log_buf(out, ", ");
493 log_buf(out, "%s%3.2f%%", ranges[i], io_u_lat[i]);
04a0feae
JA		 494 line++;
495 if (line == 5)
496 new_line = 1;
497 }
7e1773ba
JA		 498
499 if (shown)
a666cab8 500 log_buf(out, "\n");
7e1773ba
JA		 501
502 return shown;
04a0feae
JA		 503}
504
a666cab8 505static void show_lat_u(double *io_u_lat_u, struct buf_output *out)
04a0feae
JA		 506{
507 const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=",
508 "250=", "500=", "750=", "1000=", };
509
a666cab8 510 show_lat(io_u_lat_u, FIO_IO_U_LAT_U_NR, ranges, "usec", out);
04a0feae
JA		 511}
512
a666cab8 513static void show_lat_m(double *io_u_lat_m, struct buf_output *out)
04a0feae
JA		 514{
515 const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=",
516 "250=", "500=", "750=", "1000=", "2000=",
517 ">=2000=", };
518
a666cab8 519 show_lat(io_u_lat_m, FIO_IO_U_LAT_M_NR, ranges, "msec", out);
04a0feae
JA		 520}
521
a666cab8 522static void show_latencies(struct thread_stat *ts, struct buf_output *out)
04a0feae 523{
c551f65a
JA		 524 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
525 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
526
5a18988e
JA		 527 stat_calc_lat_u(ts, io_u_lat_u);
528 stat_calc_lat_m(ts, io_u_lat_m);
529
a666cab8
JA		 530 show_lat_u(io_u_lat_u, out);
531 show_lat_m(io_u_lat_m, out);
04a0feae
JA		 532}
533
66347cfa
DE		 534static int block_state_category(int block_state)
535{
536 switch (block_state) {
537 case BLOCK_STATE_UNINIT:
538 return 0;
539 case BLOCK_STATE_TRIMMED:
540 case BLOCK_STATE_WRITTEN:
541 return 1;
542 case BLOCK_STATE_WRITE_FAILURE:
543 case BLOCK_STATE_TRIM_FAILURE:
544 return 2;
545 default:
081c2dc3 546 /* Silence compile warning on some BSDs and have a return */
66347cfa 547 assert(0);
07ff5841 548 return -1;
66347cfa
DE		 549 }
550}
551
552static int compare_block_infos(const void *bs1, const void *bs2)
553{
554 uint32_t block1 = *(uint32_t *)bs1;
555 uint32_t block2 = *(uint32_t *)bs2;
556 int state1 = BLOCK_INFO_STATE(block1);
557 int state2 = BLOCK_INFO_STATE(block2);
558 int bscat1 = block_state_category(state1);
559 int bscat2 = block_state_category(state2);
560 int cycles1 = BLOCK_INFO_TRIMS(block1);
561 int cycles2 = BLOCK_INFO_TRIMS(block2);
562
563 if (bscat1 < bscat2)
564 return -1;
565 if (bscat1 > bscat2)
566 return 1;
567
568 if (cycles1 < cycles2)
569 return -1;
570 if (cycles1 > cycles2)
571 return 1;
572
573 if (state1 < state2)
574 return -1;
575 if (state1 > state2)
576 return 1;
577
578 assert(block1 == block2);
579 return 0;
580}
581
582static int calc_block_percentiles(int nr_block_infos, uint32_t *block_infos,
583 fio_fp64_t *plist, unsigned int **percentiles,
584 unsigned int *types)
585{
586 int len = 0;
587 int i, nr_uninit;
588
589 qsort(block_infos, nr_block_infos, sizeof(uint32_t), compare_block_infos);
590
591 while (len < FIO_IO_U_LIST_MAX_LEN && plist[len].u.f != 0.0)
592 len++;
593
594 if (!len)
595 return 0;
596
597 /*
598 * Sort the percentile list. Note that it may already be sorted if
599 * we are using the default values, but since it's a short list this
600 * isn't a worry. Also note that this does not work for NaN values.
601 */
602 if (len > 1)
603 qsort((void *)plist, len, sizeof(plist[0]), double_cmp);
604
605 nr_uninit = 0;
606 /* Start only after the uninit entries end */
607 for (nr_uninit = 0;
608 nr_uninit < nr_block_infos
609 && BLOCK_INFO_STATE(block_infos[nr_uninit]) == BLOCK_STATE_UNINIT;
610 nr_uninit ++)
611 ;
612
613 if (nr_uninit == nr_block_infos)
614 return 0;
615
616 *percentiles = calloc(len, sizeof(**percentiles));
617
618 for (i = 0; i < len; i++) {
619 int idx = (plist[i].u.f * (nr_block_infos - nr_uninit) / 100)
620 + nr_uninit;
621 (*percentiles)[i] = BLOCK_INFO_TRIMS(block_infos[idx]);
622 }
623
624 memset(types, 0, sizeof(*types) * BLOCK_STATE_COUNT);
625 for (i = 0; i < nr_block_infos; i++)
626 types[BLOCK_INFO_STATE(block_infos[i])]++;
627
628 return len;
629}
630
631static const char *block_state_names[] = {
632 [BLOCK_STATE_UNINIT] = "unwritten",
633 [BLOCK_STATE_TRIMMED] = "trimmed",
634 [BLOCK_STATE_WRITTEN] = "written",
635 [BLOCK_STATE_TRIM_FAILURE] = "trim failure",
636 [BLOCK_STATE_WRITE_FAILURE] = "write failure",
637};
638
639static void show_block_infos(int nr_block_infos, uint32_t *block_infos,
a666cab8 640 fio_fp64_t *plist, struct buf_output *out)
66347cfa
DE		 641{
642 int len, pos, i;
643 unsigned int *percentiles = NULL;
644 unsigned int block_state_counts[BLOCK_STATE_COUNT];
645
646 len = calc_block_percentiles(nr_block_infos, block_infos, plist,
647 &percentiles, block_state_counts);
648
a666cab8 649 log_buf(out, " block lifetime percentiles :\n |");
66347cfa
DE		 650 pos = 0;
651 for (i = 0; i < len; i++) {
652 uint32_t block_info = percentiles[i];
653#define LINE_LENGTH 75
654 char str[LINE_LENGTH];
655 int strln = snprintf(str, LINE_LENGTH, " %3.2fth=%u%c",
656 plist[i].u.f, block_info,
657 i == len - 1 ? '\n' : ',');
658 assert(strln < LINE_LENGTH);
659 if (pos + strln > LINE_LENGTH) {
660 pos = 0;
a666cab8 661 log_buf(out, "\n |");
66347cfa 662 }
a666cab8 663 log_buf(out, "%s", str);
66347cfa
DE		 664 pos += strln;
665#undef LINE_LENGTH
666 }
667 if (percentiles)
668 free(percentiles);
669
a666cab8 670 log_buf(out, " states :");
66347cfa 671 for (i = 0; i < BLOCK_STATE_COUNT; i++)
a666cab8 672 log_buf(out, " %s=%u%c",
66347cfa
DE		 673 block_state_names[i], block_state_counts[i],
674 i == BLOCK_STATE_COUNT - 1 ? '\n' : ',');
675}
676
d685adfb
VF		 677static void show_ss_normal(struct thread_stat *ts, struct buf_output *out)
678{
d694a6a7 679 char *p1, *p1alt, *p2;
d685adfb
VF		 680 unsigned long long bw_mean, iops_mean;
681 const int i2p = is_power_of_2(ts->kb_base);
682
0c13c969 683 if (!ts->ss_dur)
d685adfb
VF		 684 return;
685
bb49c8bd
VF		 686 bw_mean = steadystate_bw_mean(ts);
687 iops_mean = steadystate_iops_mean(ts);
d685adfb 688
d694a6a7
RE		 689 p1 = num2str(bw_mean / ts->kb_base, 4, ts->kb_base, i2p, ts->unit_base);
690 p1alt = num2str(bw_mean / ts->kb_base, 4, ts->kb_base, !i2p, ts->unit_base);
691 p2 = num2str(iops_mean, 4, 1, 0, N2S_NONE);
d685adfb 692
d694a6a7 693 log_buf(out, " steadystate : attained=%s, bw=%s (%s), iops=%s, %s%s=%.3f%s\n",
bb49c8bd 694 ts->ss_state & __FIO_SS_ATTAINED ? "yes" : "no",
d694a6a7 695 p1, p1alt, p2,
bb49c8bd
VF		 696 ts->ss_state & __FIO_SS_IOPS ? "iops" : "bw",
697 ts->ss_state & __FIO_SS_SLOPE ? " slope": " mean dev",
698 ts->ss_criterion.u.f,
699 ts->ss_state & __FIO_SS_PCT ? "%" : "");
d685adfb
VF		 700
701 free(p1);
d694a6a7 702 free(p1alt);
d685adfb
VF		 703 free(p2);
704}
705
10aa136b 706static void show_thread_status_normal(struct thread_stat *ts,
a666cab8
JA		 707 struct group_run_stats *rs,
708 struct buf_output *out)
3c39a379
JA		 709{
710 double usr_cpu, sys_cpu;
69008999 711 unsigned long runtime;
71619dc2 712 double io_u_dist[FIO_IO_U_MAP_NR];
57a64324 713 time_t time_p;
35326842 714 char time_buf[32];
3c39a379 715
9966af7b 716 if (!ddir_rw_sum(ts->io_bytes) && !ddir_rw_sum(ts->total_io_u))
3c39a379 717 return;
33477b4b
JS		 718
719 memset(time_buf, 0, sizeof(time_buf));
3c39a379 720
57a64324 721 time(&time_p);
45054cbe 722 os_ctime_r((const time_t *) &time_p, time_buf, sizeof(time_buf));
57a64324 723
5ec10eaa 724 if (!ts->error) {
a666cab8 725 log_buf(out, "%s: (groupid=%d, jobs=%d): err=%2d: pid=%d: %s",
5ec10eaa 726 ts->name, ts->groupid, ts->members,
57a64324 727 ts->error, (int) ts->pid, time_buf);
5ec10eaa 728 } else {
a666cab8 729 log_buf(out, "%s: (groupid=%d, jobs=%d): err=%2d (%s): pid=%d: %s",
5ec10eaa 730 ts->name, ts->groupid, ts->members,
57a64324
JA		 731 ts->error, ts->verror, (int) ts->pid,
732 time_buf);
5ec10eaa 733 }
3c39a379 734
259e47de 735 if (strlen(ts->description))
a666cab8 736 log_buf(out, " Description : [%s]\n", ts->description);
7bdce1bd 737
756867bd 738 if (ts->io_bytes[DDIR_READ])
a666cab8 739 show_ddir_status(rs, ts, DDIR_READ, out);
756867bd 740 if (ts->io_bytes[DDIR_WRITE])
a666cab8 741 show_ddir_status(rs, ts, DDIR_WRITE, out);
6eaf09d6 742 if (ts->io_bytes[DDIR_TRIM])
a666cab8 743 show_ddir_status(rs, ts, DDIR_TRIM, out);
3c39a379 744
a666cab8 745 show_latencies(ts, out);
7e1773ba 746
756867bd 747 runtime = ts->total_run_time;
69008999 748 if (runtime) {
1e97cce9 749 double runt = (double) runtime;
3c39a379 750
756867bd
JA		 751 usr_cpu = (double) ts->usr_time * 100 / runt;
752 sys_cpu = (double) ts->sys_time * 100 / runt;
3c39a379
JA		 753 } else {
754 usr_cpu = 0;
755 sys_cpu = 0;
756 }
757
a666cab8 758 log_buf(out, " cpu : usr=%3.2f%%, sys=%3.2f%%, ctx=%llu,"
4e0a8fa2
JA		 759 " majf=%llu, minf=%llu\n", usr_cpu, sys_cpu,
760 (unsigned long long) ts->ctx,
761 (unsigned long long) ts->majf,
762 (unsigned long long) ts->minf);
71619dc2 763
d79db122 764 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
a666cab8 765 log_buf(out, " IO depths : 1=%3.1f%%, 2=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%,"
5ec10eaa
JA		 766 " 16=%3.1f%%, 32=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0],
767 io_u_dist[1], io_u_dist[2],
768 io_u_dist[3], io_u_dist[4],
769 io_u_dist[5], io_u_dist[6]);
838bc709
JA		 770
771 stat_calc_dist(ts->io_u_submit, ts->total_submit, io_u_dist);
a666cab8 772 log_buf(out, " submit : 0=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%, 16=%3.1f%%,"
838bc709
JA		 773 " 32=%3.1f%%, 64=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0],
774 io_u_dist[1], io_u_dist[2],
775 io_u_dist[3], io_u_dist[4],
776 io_u_dist[5], io_u_dist[6]);
777 stat_calc_dist(ts->io_u_complete, ts->total_complete, io_u_dist);
a666cab8 778 log_buf(out, " complete : 0=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%, 16=%3.1f%%,"
838bc709
JA		 779 " 32=%3.1f%%, 64=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0],
780 io_u_dist[1], io_u_dist[2],
781 io_u_dist[3], io_u_dist[4],
782 io_u_dist[5], io_u_dist[6]);
d694a6a7
RE		 783 log_buf(out, " issued rwt: total=%llu,%llu,%llu,"
784 " short=%llu,%llu,%llu,"
785 " dropped=%llu,%llu,%llu\n",
4e0a8fa2
JA		 786 (unsigned long long) ts->total_io_u[0],
787 (unsigned long long) ts->total_io_u[1],
788 (unsigned long long) ts->total_io_u[2],
789 (unsigned long long) ts->short_io_u[0],
790 (unsigned long long) ts->short_io_u[1],
3bcb9d94
JA		 791 (unsigned long long) ts->short_io_u[2],
792 (unsigned long long) ts->drop_io_u[0],
793 (unsigned long long) ts->drop_io_u[1],
794 (unsigned long long) ts->drop_io_u[2]);
f2bba182 795 if (ts->continue_on_error) {
a666cab8 796 log_buf(out, " errors : total=%llu, first_error=%d/<%s>\n",
4e0a8fa2 797 (unsigned long long)ts->total_err_count,
1ec99eea
JA		 798 ts->first_error,
799 strerror(ts->first_error));
f2bba182 800 }
3e260a46 801 if (ts->latency_depth) {
a666cab8 802 log_buf(out, " latency : target=%llu, window=%llu, percentile=%.2f%%, depth=%u\n",
3e260a46
JA		 803 (unsigned long long)ts->latency_target,
804 (unsigned long long)ts->latency_window,
805 ts->latency_percentile.u.f,
806 ts->latency_depth);
807 }
66347cfa
DE		 808
809 if (ts->nr_block_infos)
810 show_block_infos(ts->nr_block_infos, ts->block_infos,
a666cab8 811 ts->percentile_list, out);
d685adfb 812
bb49c8bd 813 if (ts->ss_dur)
d685adfb 814 show_ss_normal(ts, out);
3c39a379
JA		 815}
816
756867bd 817static void show_ddir_status_terse(struct thread_stat *ts,
a666cab8
JA		 818 struct group_run_stats *rs, int ddir,
819 struct buf_output *out)
c6ae0a5b
JA		 820{
821 unsigned long min, max;
312b4af2 822 unsigned long long bw, iops;
1db92cb6 823 unsigned int *ovals = NULL;
c6ae0a5b 824 double mean, dev;
1db92cb6
JA		 825 unsigned int len, minv, maxv;
826 int i;
c6ae0a5b 827
ff58fced
JA		 828 assert(ddir_rw(ddir));
829
312b4af2
JA		 830 iops = bw = 0;
831 if (ts->runtime[ddir]) {
832 uint64_t runt = ts->runtime[ddir];
833
420b104a 834 bw = ((1000 * ts->io_bytes[ddir]) / runt) / 1024; /* KiB/s */
312b4af2
JA		 835 iops = (1000 * (uint64_t) ts->total_io_u[ddir]) / runt;
836 }
c6ae0a5b 837
a666cab8 838 log_buf(out, ";%llu;%llu;%llu;%llu",
4e0a8fa2
JA		 839 (unsigned long long) ts->io_bytes[ddir] >> 10, bw, iops,
840 (unsigned long long) ts->runtime[ddir]);
c6ae0a5b 841
079ad09b 842 if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev))
a666cab8 843 log_buf(out, ";%lu;%lu;%f;%f", min, max, mean, dev);
c6ae0a5b 844 else
a666cab8 845 log_buf(out, ";%lu;%lu;%f;%f", 0UL, 0UL, 0.0, 0.0);
c6ae0a5b 846
079ad09b 847 if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev))
a666cab8 848 log_buf(out, ";%lu;%lu;%f;%f", min, max, mean, dev);
c6ae0a5b 849 else
a666cab8 850 log_buf(out, ";%lu;%lu;%f;%f", 0UL, 0UL, 0.0, 0.0);
c6ae0a5b 851
1db92cb6
JA		 852 if (ts->clat_percentiles) {
853 len = calc_clat_percentiles(ts->io_u_plat[ddir],
854 ts->clat_stat[ddir].samples,
855 ts->percentile_list, &ovals, &maxv,
856 &minv);
857 } else
858 len = 0;
859
860 for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) {
861 if (i >= len) {
a666cab8 862 log_buf(out, ";0%%=0");
1db92cb6
JA		 863 continue;
864 }
a666cab8 865 log_buf(out, ";%f%%=%u", ts->percentile_list[i].u.f, ovals[i]);
1db92cb6 866 }
2341a37a
K		 867
868 if (calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev))
a666cab8 869 log_buf(out, ";%lu;%lu;%f;%f", min, max, mean, dev);
2341a37a 870 else
a666cab8 871 log_buf(out, ";%lu;%lu;%f;%f", 0UL, 0UL, 0.0, 0.0);
2341a37a 872
1db92cb6
JA		 873 if (ovals)
874 free(ovals);
875
079ad09b 876 if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) {
19d3e967
JA		 877 double p_of_agg = 100.0;
878
879 if (rs->agg[ddir]) {
880 p_of_agg = mean * 100 / (double) rs->agg[ddir];
881 if (p_of_agg > 100.0)
882 p_of_agg = 100.0;
883 }
c6ae0a5b 884
a666cab8 885 log_buf(out, ";%lu;%lu;%f%%;%f;%f", min, max, p_of_agg, mean, dev);
c6ae0a5b 886 } else
a666cab8 887 log_buf(out, ";%lu;%lu;%f%%;%f;%f", 0UL, 0UL, 0.0, 0.0, 0.0);
c6ae0a5b
JA		 888}
889
cc372b17
SL		 890static void add_ddir_status_json(struct thread_stat *ts,
891 struct group_run_stats *rs, int ddir, struct json_object *parent)
892{
893 unsigned long min, max;
9f68fe3a 894 unsigned long long bw;
cc372b17 895 unsigned int *ovals = NULL;
9f68fe3a 896 double mean, dev, iops;
cc372b17
SL		 897 unsigned int len, minv, maxv;
898 int i;
899 const char *ddirname[] = {"read", "write", "trim"};
513e37ee 900 struct json_object *dir_object, *tmp_object, *percentile_object, *clat_bins_object;
cc372b17
SL		 901 char buf[120];
902 double p_of_agg = 100.0;
903
904 assert(ddir_rw(ddir));
905
771e58be
JA		 906 if (ts->unified_rw_rep && ddir != DDIR_READ)
907 return;
908
cc372b17 909 dir_object = json_create_object();
771e58be
JA		 910 json_object_add_value_object(parent,
911 ts->unified_rw_rep ? "mixed" : ddirname[ddir], dir_object);
cc372b17 912
9f68fe3a
BE		 913 bw = 0;
914 iops = 0.0;
cc372b17
SL		 915 if (ts->runtime[ddir]) {
916 uint64_t runt = ts->runtime[ddir];
917
420b104a 918 bw = ((1000 * ts->io_bytes[ddir]) / runt) / 1024; /* KiB/s */
9f68fe3a 919 iops = (1000.0 * (uint64_t) ts->total_io_u[ddir]) / runt;
cc372b17
SL		 920 }
921
922 json_object_add_value_int(dir_object, "io_bytes", ts->io_bytes[ddir] >> 10);
923 json_object_add_value_int(dir_object, "bw", bw);
9f68fe3a 924 json_object_add_value_float(dir_object, "iops", iops);
cc372b17 925 json_object_add_value_int(dir_object, "runtime", ts->runtime[ddir]);
9966af7b
JA		 926 json_object_add_value_int(dir_object, "total_ios", ts->total_io_u[ddir]);
927 json_object_add_value_int(dir_object, "short_ios", ts->short_io_u[ddir]);
928 json_object_add_value_int(dir_object, "drop_ios", ts->drop_io_u[ddir]);
cc372b17
SL		 929
930 if (!calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev)) {
931 min = max = 0;
932 mean = dev = 0.0;
933 }
934 tmp_object = json_create_object();
935 json_object_add_value_object(dir_object, "slat", tmp_object);
936 json_object_add_value_int(tmp_object, "min", min);
937 json_object_add_value_int(tmp_object, "max", max);
938 json_object_add_value_float(tmp_object, "mean", mean);
939 json_object_add_value_float(tmp_object, "stddev", dev);
940
941 if (!calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev)) {
942 min = max = 0;
943 mean = dev = 0.0;
944 }
945 tmp_object = json_create_object();
946 json_object_add_value_object(dir_object, "clat", tmp_object);
947 json_object_add_value_int(tmp_object, "min", min);
948 json_object_add_value_int(tmp_object, "max", max);
949 json_object_add_value_float(tmp_object, "mean", mean);
950 json_object_add_value_float(tmp_object, "stddev", dev);
951
952 if (ts->clat_percentiles) {
953 len = calc_clat_percentiles(ts->io_u_plat[ddir],
954 ts->clat_stat[ddir].samples,
955 ts->percentile_list, &ovals, &maxv,
956 &minv);
957 } else
958 len = 0;
959
960 percentile_object = json_create_object();
961 json_object_add_value_object(tmp_object, "percentile", percentile_object);
962 for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) {
963 if (i >= len) {
964 json_object_add_value_int(percentile_object, "0.00", 0);
965 continue;
966 }
435d195a 967 snprintf(buf, sizeof(buf), "%f", ts->percentile_list[i].u.f);
cc372b17
SL		 968 json_object_add_value_int(percentile_object, (const char *)buf, ovals[i]);
969 }
970
513e37ee
VF		 971 if (output_format & FIO_OUTPUT_JSON_PLUS) {
972 clat_bins_object = json_create_object();
973 json_object_add_value_object(tmp_object, "bins", clat_bins_object);
974 for(i = 0; i < FIO_IO_U_PLAT_NR; i++) {
129e4193
VF		 975 if (ts->io_u_plat[ddir][i]) {
976 snprintf(buf, sizeof(buf), "%llu", plat_idx_to_val(i));
977 json_object_add_value_int(clat_bins_object, (const char *)buf, ts->io_u_plat[ddir][i]);
978 }
513e37ee 979 }
513e37ee
VF		 980 }
981
cc372b17
SL		 982 if (!calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev)) {
983 min = max = 0;
984 mean = dev = 0.0;
985 }
986 tmp_object = json_create_object();
987 json_object_add_value_object(dir_object, "lat", tmp_object);
988 json_object_add_value_int(tmp_object, "min", min);
989 json_object_add_value_int(tmp_object, "max", max);
990 json_object_add_value_float(tmp_object, "mean", mean);
991 json_object_add_value_float(tmp_object, "stddev", dev);
992 if (ovals)
993 free(ovals);
994
b9e1b491 995 if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) {
cc372b17
SL		 996 if (rs->agg[ddir]) {
997 p_of_agg = mean * 100 / (double) rs->agg[ddir];
998 if (p_of_agg > 100.0)
999 p_of_agg = 100.0;
1000 }
1001 } else {
1002 min = max = 0;
1003 p_of_agg = mean = dev = 0.0;
1004 }
1005 json_object_add_value_int(dir_object, "bw_min", min);
1006 json_object_add_value_int(dir_object, "bw_max", max);
a806bf2e 1007 json_object_add_value_float(dir_object, "bw_agg", p_of_agg);
cc372b17
SL		 1008 json_object_add_value_float(dir_object, "bw_mean", mean);
1009 json_object_add_value_float(dir_object, "bw_dev", dev);
1010}
1011
4d658652 1012static void show_thread_status_terse_v2(struct thread_stat *ts,
a666cab8
JA		 1013 struct group_run_stats *rs,
1014 struct buf_output *out)
4d658652
JA		 1015{
1016 double io_u_dist[FIO_IO_U_MAP_NR];
1017 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
1018 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
1019 double usr_cpu, sys_cpu;
1020 int i;
1021
1022 /* General Info */
a666cab8 1023 log_buf(out, "2;%s;%d;%d", ts->name, ts->groupid, ts->error);
4d658652 1024 /* Log Read Status */
a666cab8 1025 show_ddir_status_terse(ts, rs, DDIR_READ, out);
4d658652 1026 /* Log Write Status */
a666cab8 1027 show_ddir_status_terse(ts, rs, DDIR_WRITE, out);
6eaf09d6 1028 /* Log Trim Status */
a666cab8 1029 show_ddir_status_terse(ts, rs, DDIR_TRIM, out);
4d658652
JA		 1030
1031 /* CPU Usage */
1032 if (ts->total_run_time) {
1033 double runt = (double) ts->total_run_time;
1034
1035 usr_cpu = (double) ts->usr_time * 100 / runt;
1036 sys_cpu = (double) ts->sys_time * 100 / runt;
1037 } else {
1038 usr_cpu = 0;
1039 sys_cpu = 0;
1040 }
1041
a666cab8 1042 log_buf(out, ";%f%%;%f%%;%llu;%llu;%llu", usr_cpu, sys_cpu,
4e0a8fa2
JA		 1043 (unsigned long long) ts->ctx,
1044 (unsigned long long) ts->majf,
1045 (unsigned long long) ts->minf);
4d658652
JA		 1046
1047 /* Calc % distribution of IO depths, usecond, msecond latency */
d79db122 1048 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
4d658652
JA		 1049 stat_calc_lat_u(ts, io_u_lat_u);
1050 stat_calc_lat_m(ts, io_u_lat_m);
1051
1052 /* Only show fixed 7 I/O depth levels*/
a666cab8 1053 log_buf(out, ";%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%",
4d658652
JA		 1054 io_u_dist[0], io_u_dist[1], io_u_dist[2], io_u_dist[3],
1055 io_u_dist[4], io_u_dist[5], io_u_dist[6]);
1056
1057 /* Microsecond latency */
1058 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++)
a666cab8 1059 log_buf(out, ";%3.2f%%", io_u_lat_u[i]);
4d658652
JA		 1060 /* Millisecond latency */
1061 for (i = 0; i < FIO_IO_U_LAT_M_NR; i++)
a666cab8 1062 log_buf(out, ";%3.2f%%", io_u_lat_m[i]);
4d658652
JA		 1063 /* Additional output if continue_on_error set - default off*/
1064 if (ts->continue_on_error)
a666cab8
JA		 1065 log_buf(out, ";%llu;%d", (unsigned long long) ts->total_err_count, ts->first_error);
1066 log_buf(out, "\n");
4d658652
JA		 1067
1068 /* Additional output if description is set */
0a3c52f0 1069 if (strlen(ts->description))
a666cab8 1070 log_buf(out, ";%s", ts->description);
4d658652 1071
a666cab8 1072 log_buf(out, "\n");
4d658652
JA		 1073}
1074
3449ab8c 1075static void show_thread_status_terse_v3_v4(struct thread_stat *ts,
a666cab8
JA		 1076 struct group_run_stats *rs, int ver,
1077 struct buf_output *out)
c6ae0a5b 1078{
2270890c 1079 double io_u_dist[FIO_IO_U_MAP_NR];
04a0feae
JA		 1080 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
1081 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
c6ae0a5b 1082 double usr_cpu, sys_cpu;
04a0feae 1083 int i;
c6ae0a5b 1084
562c2d2f 1085 /* General Info */
a666cab8 1086 log_buf(out, "%d;%s;%s;%d;%d", ver, fio_version_string,
5e726d0a 1087 ts->name, ts->groupid, ts->error);
562c2d2f 1088 /* Log Read Status */
a666cab8 1089 show_ddir_status_terse(ts, rs, DDIR_READ, out);
562c2d2f 1090 /* Log Write Status */
a666cab8 1091 show_ddir_status_terse(ts, rs, DDIR_WRITE, out);
6eaf09d6 1092 /* Log Trim Status */
3449ab8c 1093 if (ver == 4)
a666cab8 1094 show_ddir_status_terse(ts, rs, DDIR_TRIM, out);
c6ae0a5b 1095
562c2d2f 1096 /* CPU Usage */
756867bd
JA		 1097 if (ts->total_run_time) {
1098 double runt = (double) ts->total_run_time;
c6ae0a5b 1099
756867bd
JA		 1100 usr_cpu = (double) ts->usr_time * 100 / runt;
1101 sys_cpu = (double) ts->sys_time * 100 / runt;
c6ae0a5b
JA		 1102 } else {
1103 usr_cpu = 0;
1104 sys_cpu = 0;
1105 }
1106
a666cab8 1107 log_buf(out, ";%f%%;%f%%;%llu;%llu;%llu", usr_cpu, sys_cpu,
4e0a8fa2
JA		 1108 (unsigned long long) ts->ctx,
1109 (unsigned long long) ts->majf,
1110 (unsigned long long) ts->minf);
2270890c 1111
562c2d2f 1112 /* Calc % distribution of IO depths, usecond, msecond latency */
d79db122 1113 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
04a0feae
JA		 1114 stat_calc_lat_u(ts, io_u_lat_u);
1115 stat_calc_lat_m(ts, io_u_lat_m);
2270890c 1116
562c2d2f 1117 /* Only show fixed 7 I/O depth levels*/
a666cab8 1118 log_buf(out, ";%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%",
5ec10eaa
JA		 1119 io_u_dist[0], io_u_dist[1], io_u_dist[2], io_u_dist[3],
1120 io_u_dist[4], io_u_dist[5], io_u_dist[6]);
2270890c 1121
562c2d2f 1122 /* Microsecond latency */
04a0feae 1123 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++)
a666cab8 1124 log_buf(out, ";%3.2f%%", io_u_lat_u[i]);
562c2d2f 1125 /* Millisecond latency */
04a0feae 1126 for (i = 0; i < FIO_IO_U_LAT_M_NR; i++)
a666cab8 1127 log_buf(out, ";%3.2f%%", io_u_lat_m[i]);
f2f788dd
JA		 1128
1129 /* disk util stats, if any */
a666cab8 1130 show_disk_util(1, NULL, out);
f2f788dd 1131
562c2d2f 1132 /* Additional output if continue_on_error set - default off*/
f2bba182 1133 if (ts->continue_on_error)
a666cab8 1134 log_buf(out, ";%llu;%d", (unsigned long long) ts->total_err_count, ts->first_error);
2270890c 1135
562c2d2f 1136 /* Additional output if description is set */
4b0f2258 1137 if (strlen(ts->description))
a666cab8 1138 log_buf(out, ";%s", ts->description);
946e4276 1139
a666cab8 1140 log_buf(out, "\n");
756867bd
JA		 1141}
1142
a89ba4b1
JA		 1143static void json_add_job_opts(struct json_object *root, const char *name,
1144 struct flist_head *opt_list, bool num_jobs)
66e19a38
JA		 1145{
1146 struct json_object *dir_object;
1147 struct flist_head *entry;
1148 struct print_option *p;
1149
1150 if (flist_empty(opt_list))
1151 return;
1152
1153 dir_object = json_create_object();
1154 json_object_add_value_object(root, name, dir_object);
1155
1156 flist_for_each(entry, opt_list) {
1157 const char *pos = "";
1158
1159 p = flist_entry(entry, struct print_option, list);
876e1001
JA		 1160 if (!num_jobs && !strcmp(p->name, "numjobs"))
1161 continue;
66e19a38
JA		 1162 if (p->value)
1163 pos = p->value;
1164 json_object_add_value_string(dir_object, p->name, pos);
1165 }
1166}
1167
cc372b17 1168static struct json_object *show_thread_status_json(struct thread_stat *ts,
66e19a38
JA		 1169 struct group_run_stats *rs,
1170 struct flist_head *opt_list)
cc372b17
SL		 1171{
1172 struct json_object *root, *tmp;
b01af66b 1173 struct jobs_eta *je;
cc372b17
SL		 1174 double io_u_dist[FIO_IO_U_MAP_NR];
1175 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
1176 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
1177 double usr_cpu, sys_cpu;
1178 int i;
b01af66b
CJ		 1179 size_t size;
1180
cc372b17
SL		 1181 root = json_create_object();
1182 json_object_add_value_string(root, "jobname", ts->name);
1183 json_object_add_value_int(root, "groupid", ts->groupid);
1184 json_object_add_value_int(root, "error", ts->error);
1185
b01af66b 1186 /* ETA Info */
c5103619 1187 je = get_jobs_eta(true, &size);
2de615ad
JA		 1188 if (je) {
1189 json_object_add_value_int(root, "eta", je->eta_sec);
1190 json_object_add_value_int(root, "elapsed", je->elapsed_sec);
1191 }
b01af66b 1192
66e19a38 1193 if (opt_list)
876e1001 1194 json_add_job_opts(root, "job options", opt_list, true);
66e19a38 1195
cc372b17
SL		 1196 add_ddir_status_json(ts, rs, DDIR_READ, root);
1197 add_ddir_status_json(ts, rs, DDIR_WRITE, root);
f3afa57e 1198 add_ddir_status_json(ts, rs, DDIR_TRIM, root);
cc372b17
SL		 1199
1200 /* CPU Usage */
1201 if (ts->total_run_time) {
1202 double runt = (double) ts->total_run_time;
1203
1204 usr_cpu = (double) ts->usr_time * 100 / runt;
1205 sys_cpu = (double) ts->sys_time * 100 / runt;
1206 } else {
1207 usr_cpu = 0;
1208 sys_cpu = 0;
1209 }
1210 json_object_add_value_float(root, "usr_cpu", usr_cpu);
1211 json_object_add_value_float(root, "sys_cpu", sys_cpu);
1212 json_object_add_value_int(root, "ctx", ts->ctx);
1213 json_object_add_value_int(root, "majf", ts->majf);
1214 json_object_add_value_int(root, "minf", ts->minf);
1215
1216
1217 /* Calc % distribution of IO depths, usecond, msecond latency */
d79db122 1218 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
cc372b17
SL		 1219 stat_calc_lat_u(ts, io_u_lat_u);
1220 stat_calc_lat_m(ts, io_u_lat_m);
1221
1222 tmp = json_create_object();
1223 json_object_add_value_object(root, "iodepth_level", tmp);
1224 /* Only show fixed 7 I/O depth levels*/
1225 for (i = 0; i < 7; i++) {
1226 char name[20];
1227 if (i < 6)
98ffb8f3 1228 snprintf(name, 20, "%d", 1 << i);
cc372b17 1229 else
98ffb8f3 1230 snprintf(name, 20, ">=%d", 1 << i);
cc372b17
SL		 1231 json_object_add_value_float(tmp, (const char *)name, io_u_dist[i]);
1232 }
1233
1234 tmp = json_create_object();
1235 json_object_add_value_object(root, "latency_us", tmp);
1236 /* Microsecond latency */
1237 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) {
1238 const char *ranges[] = { "2", "4", "10", "20", "50", "100",
1239 "250", "500", "750", "1000", };
1240 json_object_add_value_float(tmp, ranges[i], io_u_lat_u[i]);
1241 }
1242 /* Millisecond latency */
1243 tmp = json_create_object();
1244 json_object_add_value_object(root, "latency_ms", tmp);
1245 for (i = 0; i < FIO_IO_U_LAT_M_NR; i++) {
1246 const char *ranges[] = { "2", "4", "10", "20", "50", "100",
1247 "250", "500", "750", "1000", "2000",
1248 ">=2000", };
1249 json_object_add_value_float(tmp, ranges[i], io_u_lat_m[i]);
1250 }
1251
1252 /* Additional output if continue_on_error set - default off*/
1253 if (ts->continue_on_error) {
1254 json_object_add_value_int(root, "total_err", ts->total_err_count);
952b05e0 1255 json_object_add_value_int(root, "first_error", ts->first_error);
cc372b17
SL		 1256 }
1257
3e260a46
JA		 1258 if (ts->latency_depth) {
1259 json_object_add_value_int(root, "latency_depth", ts->latency_depth);
1260 json_object_add_value_int(root, "latency_target", ts->latency_target);
1261 json_object_add_value_float(root, "latency_percentile", ts->latency_percentile.u.f);
1262 json_object_add_value_int(root, "latency_window", ts->latency_window);
1263 }
1264
cc372b17
SL		 1265 /* Additional output if description is set */
1266 if (strlen(ts->description))
1267 json_object_add_value_string(root, "desc", ts->description);
1268
66347cfa
DE		 1269 if (ts->nr_block_infos) {
1270 /* Block error histogram and types */
1271 int len;
1272 unsigned int *percentiles = NULL;
1273 unsigned int block_state_counts[BLOCK_STATE_COUNT];
1274
1275 len = calc_block_percentiles(ts->nr_block_infos, ts->block_infos,
1276 ts->percentile_list,
1277 &percentiles, block_state_counts);
1278
1279 if (len) {
1280 struct json_object *block, *percentile_object, *states;
8a68c41c 1281 int state;
66347cfa
DE		 1282 block = json_create_object();
1283 json_object_add_value_object(root, "block", block);
1284
1285 percentile_object = json_create_object();
1286 json_object_add_value_object(block, "percentiles",
1287 percentile_object);
1288 for (i = 0; i < len; i++) {
1289 char buf[20];
1290 snprintf(buf, sizeof(buf), "%f",
1291 ts->percentile_list[i].u.f);
1292 json_object_add_value_int(percentile_object,
1293 (const char *)buf,
1294 percentiles[i]);
1295 }
1296
1297 states = json_create_object();
1298 json_object_add_value_object(block, "states", states);
1299 for (state = 0; state < BLOCK_STATE_COUNT; state++) {
1300 json_object_add_value_int(states,
1301 block_state_names[state],
1302 block_state_counts[state]);
1303 }
1304 free(percentiles);
1305 }
1306 }
1307
bb49c8bd 1308 if (ts->ss_dur) {
ba8fb6f6
VF		 1309 struct json_object *data;
1310 struct json_array *iops, *bw;
412c7d91 1311 int i, j, k;
6da94b07 1312 char ss_buf[64];
16e56d25 1313
6da94b07 1314 snprintf(ss_buf, sizeof(ss_buf), "%s%s:%f%s",
bb49c8bd
VF		 1315 ts->ss_state & __FIO_SS_IOPS ? "iops" : "bw",
1316 ts->ss_state & __FIO_SS_SLOPE ? "_slope" : "",
1317 (float) ts->ss_limit.u.f,
1318 ts->ss_state & __FIO_SS_PCT ? "%" : "");
16e56d25
VF		 1319
1320 tmp = json_create_object();
1321 json_object_add_value_object(root, "steadystate", tmp);
6da94b07 1322 json_object_add_value_string(tmp, "ss", ss_buf);
bb49c8bd
VF		 1323 json_object_add_value_int(tmp, "duration", (int)ts->ss_dur);
1324 json_object_add_value_int(tmp, "attained", (ts->ss_state & __FIO_SS_ATTAINED) > 0);
6da94b07 1325
bb49c8bd
VF		 1326 snprintf(ss_buf, sizeof(ss_buf), "%f%s", (float) ts->ss_criterion.u.f,
1327 ts->ss_state & __FIO_SS_PCT ? "%" : "");
6da94b07 1328 json_object_add_value_string(tmp, "criterion", ss_buf);
bb49c8bd
VF		 1329 json_object_add_value_float(tmp, "max_deviation", ts->ss_deviation.u.f);
1330 json_object_add_value_float(tmp, "slope", ts->ss_slope.u.f);
ba8fb6f6
VF		 1331
1332 data = json_create_object();
1333 json_object_add_value_object(tmp, "data", data);
1334 bw = json_create_array();
1335 iops = json_create_array();
412c7d91
VF		 1336
1337 /*
1338 ** if ss was attained or the buffer is not full,
1339 ** ss->head points to the first element in the list.
1340 ** otherwise it actually points to the second element
1341 ** in the list
1342 */
17df7023 1343 if ((ts->ss_state & __FIO_SS_ATTAINED) || !(ts->ss_state & __FIO_SS_BUFFER_FULL))
bb49c8bd 1344 j = ts->ss_head;
412c7d91 1345 else
bb49c8bd
VF		 1346 j = ts->ss_head == 0 ? ts->ss_dur - 1 : ts->ss_head - 1;
1347 for (i = 0; i < ts->ss_dur; i++) {
1348 k = (j + i) % ts->ss_dur;
1349 json_array_add_value_int(bw, ts->ss_bw_data[k]);
1350 json_array_add_value_int(iops, ts->ss_iops_data[k]);
16e56d25 1351 }
bb49c8bd
VF		 1352 json_object_add_value_int(data, "bw_mean", steadystate_bw_mean(ts));
1353 json_object_add_value_int(data, "iops_mean", steadystate_iops_mean(ts));
6da94b07
VF		 1354 json_object_add_value_array(data, "iops", iops);
1355 json_object_add_value_array(data, "bw", bw);
16e56d25
VF		 1356 }
1357
cc372b17
SL		 1358 return root;
1359}
1360
4d658652 1361static void show_thread_status_terse(struct thread_stat *ts,
a666cab8
JA		 1362 struct group_run_stats *rs,
1363 struct buf_output *out)
4d658652
JA		 1364{
1365 if (terse_version == 2)
a666cab8 1366 show_thread_status_terse_v2(ts, rs, out);
3449ab8c 1367 else if (terse_version == 3 || terse_version == 4)
a666cab8 1368 show_thread_status_terse_v3_v4(ts, rs, terse_version, out);
4d658652
JA		 1369 else
1370 log_err("fio: bad terse version!? %d\n", terse_version);
1371}
1372
952b05e0 1373struct json_object *show_thread_status(struct thread_stat *ts,
a666cab8 1374 struct group_run_stats *rs,
0279b880 1375 struct flist_head *opt_list,
a666cab8 1376 struct buf_output *out)
952b05e0 1377{
129fb2d4
JA		 1378 struct json_object *ret = NULL;
1379
1380 if (output_format & FIO_OUTPUT_TERSE)
a666cab8 1381 show_thread_status_terse(ts, rs, out);
129fb2d4 1382 if (output_format & FIO_OUTPUT_JSON)
0279b880 1383 ret = show_thread_status_json(ts, rs, opt_list);
129fb2d4 1384 if (output_format & FIO_OUTPUT_NORMAL)
a666cab8 1385 show_thread_status_normal(ts, rs, out);
129fb2d4
JA		 1386
1387 return ret;
952b05e0
CF		 1388}
1389
fd595830 1390static void sum_stat(struct io_stat *dst, struct io_stat *src, bool first)
756867bd
JA		 1391{
1392 double mean, S;
1393
e09231c2
ZL		 1394 if (src->samples == 0)
1395 return;
1396
756867bd
JA		 1397 dst->min_val = min(dst->min_val, src->min_val);
1398 dst->max_val = max(dst->max_val, src->max_val);
756867bd
JA		 1399
1400 /*
cdcac5cf
YH		 1401 * Compute new mean and S after the merge
1402 * <http://en.wikipedia.org/wiki/Algorithms_for_calculating_variance
1403 * #Parallel_algorithm>
756867bd 1404 */
fd595830 1405 if (first) {
802ad4a8
JA		 1406 mean = src->mean.u.f;
1407 S = src->S.u.f;
756867bd 1408 } else {
802ad4a8 1409 double delta = src->mean.u.f - dst->mean.u.f;
cdcac5cf 1410
802ad4a8
JA		 1411 mean = ((src->mean.u.f * src->samples) +
1412 (dst->mean.u.f * dst->samples)) /
cdcac5cf
YH		 1413 (dst->samples + src->samples);
1414
802ad4a8 1415 S = src->S.u.f + dst->S.u.f + pow(delta, 2.0) *
cdcac5cf
YH		 1416 (dst->samples * src->samples) /
1417 (dst->samples + src->samples);
756867bd
JA		 1418 }
1419
cdcac5cf 1420 dst->samples += src->samples;
802ad4a8
JA		 1421 dst->mean.u.f = mean;
1422 dst->S.u.f = S;
756867bd
JA		 1423}
1424
37f0c1ae
JA		 1425void sum_group_stats(struct group_run_stats *dst, struct group_run_stats *src)
1426{
1427 int i;
1428
6eaf09d6 1429 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
37f0c1ae
JA		 1430 if (dst->max_run[i] < src->max_run[i])
1431 dst->max_run[i] = src->max_run[i];
1432 if (dst->min_run[i] && dst->min_run[i] > src->min_run[i])
1433 dst->min_run[i] = src->min_run[i];
1434 if (dst->max_bw[i] < src->max_bw[i])
1435 dst->max_bw[i] = src->max_bw[i];
1436 if (dst->min_bw[i] && dst->min_bw[i] > src->min_bw[i])
1437 dst->min_bw[i] = src->min_bw[i];
1438
af7f87cb 1439 dst->iobytes[i] += src->iobytes[i];
37f0c1ae
JA		 1440 dst->agg[i] += src->agg[i];
1441 }
1442
dbae1bd6
JA		 1443 if (!dst->kb_base)
1444 dst->kb_base = src->kb_base;
1445 if (!dst->unit_base)
1446 dst->unit_base = src->unit_base;
37f0c1ae
JA		 1447}
1448
fd595830
JA		 1449void sum_thread_stats(struct thread_stat *dst, struct thread_stat *src,
1450 bool first)
5b9babb7
JA		 1451{
1452 int l, k;
1453
6eaf09d6 1454 for (l = 0; l < DDIR_RWDIR_CNT; l++) {
771e58be 1455 if (!dst->unified_rw_rep) {
fd595830
JA		 1456 sum_stat(&dst->clat_stat[l], &src->clat_stat[l], first);
1457 sum_stat(&dst->slat_stat[l], &src->slat_stat[l], first);
1458 sum_stat(&dst->lat_stat[l], &src->lat_stat[l], first);
1459 sum_stat(&dst->bw_stat[l], &src->bw_stat[l], first);
771e58be
JA		 1460
1461 dst->io_bytes[l] += src->io_bytes[l];
1462
1463 if (dst->runtime[l] < src->runtime[l])
1464 dst->runtime[l] = src->runtime[l];
1465 } else {
fd595830
JA		 1466 sum_stat(&dst->clat_stat[0], &src->clat_stat[l], first);
1467 sum_stat(&dst->slat_stat[0], &src->slat_stat[l], first);
1468 sum_stat(&dst->lat_stat[0], &src->lat_stat[l], first);
1469 sum_stat(&dst->bw_stat[0], &src->bw_stat[l], first);
771e58be
JA		 1470
1471 dst->io_bytes[0] += src->io_bytes[l];
1472
1473 if (dst->runtime[0] < src->runtime[l])
1474 dst->runtime[0] = src->runtime[l];
fd595830
JA		 1475
1476 /*
1477 * We're summing to the same destination, so override
1478 * 'first' after the first iteration of the loop
1479 */
1480 first = false;
771e58be 1481 }
5b9babb7
JA		 1482 }
1483
1484 dst->usr_time += src->usr_time;
1485 dst->sys_time += src->sys_time;
1486 dst->ctx += src->ctx;
1487 dst->majf += src->majf;
1488 dst->minf += src->minf;
1489
1490 for (k = 0; k < FIO_IO_U_MAP_NR; k++)
1491 dst->io_u_map[k] += src->io_u_map[k];
1492 for (k = 0; k < FIO_IO_U_MAP_NR; k++)
1493 dst->io_u_submit[k] += src->io_u_submit[k];
1494 for (k = 0; k < FIO_IO_U_MAP_NR; k++)
1495 dst->io_u_complete[k] += src->io_u_complete[k];
1496 for (k = 0; k < FIO_IO_U_LAT_U_NR; k++)
1497 dst->io_u_lat_u[k] += src->io_u_lat_u[k];
1498 for (k = 0; k < FIO_IO_U_LAT_M_NR; k++)
1499 dst->io_u_lat_m[k] += src->io_u_lat_m[k];
1500
6eaf09d6 1501 for (k = 0; k < DDIR_RWDIR_CNT; k++) {
771e58be
JA		 1502 if (!dst->unified_rw_rep) {
1503 dst->total_io_u[k] += src->total_io_u[k];
1504 dst->short_io_u[k] += src->short_io_u[k];
3bcb9d94 1505 dst->drop_io_u[k] += src->drop_io_u[k];
771e58be
JA		 1506 } else {
1507 dst->total_io_u[0] += src->total_io_u[k];
1508 dst->short_io_u[0] += src->short_io_u[k];
3bcb9d94 1509 dst->drop_io_u[0] += src->drop_io_u[k];
771e58be 1510 }
5b9babb7
JA		 1511 }
1512
6eaf09d6 1513 for (k = 0; k < DDIR_RWDIR_CNT; k++) {
5b9babb7 1514 int m;
771e58be
JA		 1515
1516 for (m = 0; m < FIO_IO_U_PLAT_NR; m++) {
1517 if (!dst->unified_rw_rep)
1518 dst->io_u_plat[k][m] += src->io_u_plat[k][m];
1519 else
1520 dst->io_u_plat[0][m] += src->io_u_plat[k][m];
1521 }
5b9babb7
JA		 1522 }
1523
1524 dst->total_run_time += src->total_run_time;
1525 dst->total_submit += src->total_submit;
1526 dst->total_complete += src->total_complete;
1527}
1528
37f0c1ae
JA		 1529void init_group_run_stat(struct group_run_stats *gs)
1530{
6eaf09d6 1531 int i;
37f0c1ae 1532 memset(gs, 0, sizeof(*gs));
6eaf09d6
SL		 1533
1534 for (i = 0; i < DDIR_RWDIR_CNT; i++)
1535 gs->min_bw[i] = gs->min_run[i] = ~0UL;
37f0c1ae
JA		 1536}
1537
1538void init_thread_stat(struct thread_stat *ts)
1539{
1540 int j;
1541
1542 memset(ts, 0, sizeof(*ts));
1543
6eaf09d6 1544 for (j = 0; j < DDIR_RWDIR_CNT; j++) {
37f0c1ae
JA		 1545 ts->lat_stat[j].min_val = -1UL;
1546 ts->clat_stat[j].min_val = -1UL;
1547 ts->slat_stat[j].min_val = -1UL;
1548 ts->bw_stat[j].min_val = -1UL;
1549 }
1550 ts->groupid = -1;
1551}
1552
83f7b64e 1553void __show_run_stats(void)
3c39a379
JA		 1554{
1555 struct group_run_stats *runstats, *rs;
1556 struct thread_data *td;
756867bd 1557 struct thread_stat *threadstats, *ts;
4da24b69 1558 int i, j, k, nr_ts, last_ts, idx;
90fef2d1 1559 int kb_base_warned = 0;
ad705bcb 1560 int unit_base_warned = 0;
cc372b17
SL		 1561 struct json_object *root = NULL;
1562 struct json_array *array = NULL;
a666cab8 1563 struct buf_output output[FIO_OUTPUT_NR];
66e19a38 1564 struct flist_head **opt_lists;
a666cab8 1565
3c39a379
JA		 1566 runstats = malloc(sizeof(struct group_run_stats) * (groupid + 1));
1567
37f0c1ae
JA		 1568 for (i = 0; i < groupid + 1; i++)
1569 init_group_run_stat(&runstats[i]);
3c39a379 1570
756867bd
JA		 1571 /*
1572 * find out how many threads stats we need. if group reporting isn't
1573 * enabled, it's one-per-td.
1574 */
1575 nr_ts = 0;
1576 last_ts = -1;
1577 for_each_td(td, i) {
2dc1bbeb 1578 if (!td->o.group_reporting) {
756867bd
JA		 1579 nr_ts++;
1580 continue;
1581 }
1582 if (last_ts == td->groupid)
1583 continue;
8243be59
JA		 1584 if (!td->o.stats)
1585 continue;
756867bd
JA		 1586
1587 last_ts = td->groupid;
1588 nr_ts++;
1589 }
1590
1591 threadstats = malloc(nr_ts * sizeof(struct thread_stat));
66e19a38 1592 opt_lists = malloc(nr_ts * sizeof(struct flist_head *));
756867bd 1593
66e19a38 1594 for (i = 0; i < nr_ts; i++) {
37f0c1ae 1595 init_thread_stat(&threadstats[i]);
66e19a38
JA		 1596 opt_lists[i] = NULL;
1597 }
756867bd
JA		 1598
1599 j = 0;
1600 last_ts = -1;
197574e4 1601 idx = 0;
34572e28 1602 for_each_td(td, i) {
8243be59
JA		 1603 if (!td->o.stats)
1604 continue;
2dc1bbeb
JA		 1605 if (idx && (!td->o.group_reporting ||
1606 (td->o.group_reporting && last_ts != td->groupid))) {
7abd0e3a
JA		 1607 idx = 0;
1608 j++;
1609 }
1610
1611 last_ts = td->groupid;
1612
756867bd
JA		 1613 ts = &threadstats[j];
1614
83349190 1615 ts->clat_percentiles = td->o.clat_percentiles;
435d195a 1616 ts->percentile_precision = td->o.percentile_precision;
fd112d34 1617 memcpy(ts->percentile_list, td->o.percentile_list, sizeof(td->o.percentile_list));
66e19a38 1618 opt_lists[j] = &td->opt_list;
83349190 1619
197574e4 1620 idx++;
6586ee89 1621 ts->members++;
756867bd 1622
7abd0e3a 1623 if (ts->groupid == -1) {
2dc84ba7
JA		 1624 /*
1625 * These are per-group shared already
1626 */
4e59d0f3 1627 strncpy(ts->name, td->o.name, FIO_JOBNAME_SIZE - 1);
a64e88da
JA		 1628 if (td->o.description)
1629 strncpy(ts->description, td->o.description,
4e59d0f3 1630 FIO_JOBDESC_SIZE - 1);
a64e88da 1631 else
4e59d0f3 1632 memset(ts->description, 0, FIO_JOBDESC_SIZE);
a64e88da 1633
2f122b13
JA		 1634 /*
1635 * If multiple entries in this group, this is
1636 * the first member.
1637 */
1638 ts->thread_number = td->thread_number;
756867bd 1639 ts->groupid = td->groupid;
2dc84ba7
JA		 1640
1641 /*
1642 * first pid in group, not very useful...
1643 */
756867bd 1644 ts->pid = td->pid;
90fef2d1
JA		 1645
1646 ts->kb_base = td->o.kb_base;
ad705bcb 1647 ts->unit_base = td->o.unit_base;
771e58be 1648 ts->unified_rw_rep = td->o.unified_rw_rep;
90fef2d1
JA		 1649 } else if (ts->kb_base != td->o.kb_base && !kb_base_warned) {
1650 log_info("fio: kb_base differs for jobs in group, using"
1651 " %u as the base\n", ts->kb_base);
1652 kb_base_warned = 1;
ad705bcb
SN		 1653 } else if (ts->unit_base != td->o.unit_base && !unit_base_warned) {
1654 log_info("fio: unit_base differs for jobs in group, using"
1655 " %u as the base\n", ts->unit_base);
1656 unit_base_warned = 1;
2dc84ba7
JA		 1657 }
1658
f2bba182
RR		 1659 ts->continue_on_error = td->o.continue_on_error;
1660 ts->total_err_count += td->total_err_count;
1661 ts->first_error = td->first_error;
1662 if (!ts->error) {
1663 if (!td->error && td->o.continue_on_error &&
1664 td->first_error) {
1665 ts->error = td->first_error;
3660ceae
JA		 1666 ts->verror[sizeof(ts->verror) - 1] = '\0';
1667 strncpy(ts->verror, td->verror, sizeof(ts->verror) - 1);
f2bba182
RR		 1668 } else if (td->error) {
1669 ts->error = td->error;
3660ceae
JA		 1670 ts->verror[sizeof(ts->verror) - 1] = '\0';
1671 strncpy(ts->verror, td->verror, sizeof(ts->verror) - 1);
f2bba182 1672 }
756867bd
JA		 1673 }
1674
3e260a46
JA		 1675 ts->latency_depth = td->latency_qd;
1676 ts->latency_target = td->o.latency_target;
1677 ts->latency_percentile = td->o.latency_percentile;
1678 ts->latency_window = td->o.latency_window;
1679
0e4dd95c 1680 ts->nr_block_infos = td->ts.nr_block_infos;
4da24b69
JA		 1681 for (k = 0; k < ts->nr_block_infos; k++)
1682 ts->block_infos[k] = td->ts.block_infos[k];
0e4dd95c 1683
fd595830 1684 sum_thread_stats(ts, &td->ts, idx == 1);
16e56d25 1685
bb49c8bd
VF		 1686 if (td->o.ss_dur) {
1687 ts->ss_state = td->ss.state;
1688 ts->ss_dur = td->ss.dur;
1689 ts->ss_head = td->ss.head;
bb49c8bd
VF		 1690 ts->ss_bw_data = td->ss.bw_data;
1691 ts->ss_iops_data = td->ss.iops_data;
1692 ts->ss_limit.u.f = td->ss.limit;
1693 ts->ss_slope.u.f = td->ss.slope;
1694 ts->ss_deviation.u.f = td->ss.deviation;
1695 ts->ss_criterion.u.f = td->ss.criterion;
1696 }
16e56d25 1697 else
bb49c8bd 1698 ts->ss_dur = ts->ss_state = 0;
756867bd
JA		 1699 }
1700
1701 for (i = 0; i < nr_ts; i++) {
94370ac4 1702 unsigned long long bw;
3c39a379 1703
756867bd 1704 ts = &threadstats[i];
dedb88eb
JA		 1705 if (ts->groupid == -1)
1706 continue;
756867bd 1707 rs = &runstats[ts->groupid];
90fef2d1 1708 rs->kb_base = ts->kb_base;
ad705bcb 1709 rs->unit_base = ts->unit_base;
771e58be 1710 rs->unified_rw_rep += ts->unified_rw_rep;
3c39a379 1711
6eaf09d6 1712 for (j = 0; j < DDIR_RWDIR_CNT; j++) {
94370ac4
JA		 1713 if (!ts->runtime[j])
1714 continue;
1715 if (ts->runtime[j] < rs->min_run[j] || !rs->min_run[j])
1716 rs->min_run[j] = ts->runtime[j];
1717 if (ts->runtime[j] > rs->max_run[j])
1718 rs->max_run[j] = ts->runtime[j];
1719
1720 bw = 0;
af7f87cb
RE		 1721 if (ts->runtime[j])
1722 bw = ts->io_bytes[j] * 1000 / ts->runtime[j];
94370ac4
JA		 1723 if (bw < rs->min_bw[j])
1724 rs->min_bw[j] = bw;
1725 if (bw > rs->max_bw[j])
1726 rs->max_bw[j] = bw;
1727
af7f87cb 1728 rs->iobytes[j] += ts->io_bytes[j];
94370ac4 1729 }
3c39a379
JA		 1730 }
1731
1732 for (i = 0; i < groupid + 1; i++) {
6eaf09d6
SL		 1733 int ddir;
1734
3c39a379
JA		 1735 rs = &runstats[i];
1736
6eaf09d6
SL		 1737 for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++) {
1738 if (rs->max_run[ddir])
af7f87cb 1739 rs->agg[ddir] = (rs->iobytes[ddir] * 1000) /
6eaf09d6
SL		 1740 rs->max_run[ddir];
1741 }
3c39a379
JA		 1742 }
1743
a666cab8 1744 for (i = 0; i < FIO_OUTPUT_NR; i++)
e250c0a9 1745 buf_output_init(&output[i]);
a666cab8 1746
3c39a379
JA		 1747 /*
1748 * don't overwrite last signal output
1749 */
129fb2d4 1750 if (output_format & FIO_OUTPUT_NORMAL)
a666cab8 1751 log_buf(&output[__FIO_OUTPUT_NORMAL], "\n");
129fb2d4 1752 if (output_format & FIO_OUTPUT_JSON) {
66e19a38 1753 struct thread_data *global;
35326842 1754 char time_buf[32];
aa7d2ef0
RH		 1755 struct timeval now;
1756 unsigned long long ms_since_epoch;
91e53870 1757
aa7d2ef0
RH		 1758 gettimeofday(&now, NULL);
1759 ms_since_epoch = (unsigned long long)(now.tv_sec) * 1000 +
1760 (unsigned long long)(now.tv_usec) / 1000;
1761
1762 os_ctime_r((const time_t *) &now.tv_sec, time_buf,
91e53870 1763 sizeof(time_buf));
1d272416
JA		 1764 if (time_buf[strlen(time_buf) - 1] == '\n')
1765 time_buf[strlen(time_buf) - 1] = '\0';
91e53870 1766
cc372b17
SL		 1767 root = json_create_object();
1768 json_object_add_value_string(root, "fio version", fio_version_string);
aa7d2ef0
RH		 1769 json_object_add_value_int(root, "timestamp", now.tv_sec);
1770 json_object_add_value_int(root, "timestamp_ms", ms_since_epoch);
91e53870 1771 json_object_add_value_string(root, "time", time_buf);
66e19a38 1772 global = get_global_options();
876e1001 1773 json_add_job_opts(root, "global options", &global->opt_list, false);
cc372b17
SL		 1774 array = json_create_array();
1775 json_object_add_value_array(root, "jobs", array);
1776 }
3c39a379 1777
0279b880
JA		 1778 if (is_backend)
1779 fio_server_send_job_options(&get_global_options()->opt_list, -1U);
1780
756867bd
JA		 1781 for (i = 0; i < nr_ts; i++) {
1782 ts = &threadstats[i];
1783 rs = &runstats[ts->groupid];
3c39a379 1784
0279b880
JA		 1785 if (is_backend) {
1786 fio_server_send_job_options(opt_lists[i], i);
a64e88da 1787 fio_server_send_ts(ts, rs);
0279b880 1788 } else {
129fb2d4 1789 if (output_format & FIO_OUTPUT_TERSE)
a666cab8 1790 show_thread_status_terse(ts, rs, &output[__FIO_OUTPUT_TERSE]);
129fb2d4 1791 if (output_format & FIO_OUTPUT_JSON) {
66e19a38 1792 struct json_object *tmp = show_thread_status_json(ts, rs, opt_lists[i]);
129fb2d4
JA		 1793 json_array_add_value_object(array, tmp);
1794 }
1795 if (output_format & FIO_OUTPUT_NORMAL)
a666cab8 1796 show_thread_status_normal(ts, rs, &output[__FIO_OUTPUT_NORMAL]);
129fb2d4 1797 }
3c39a379 1798 }
ab34ddd1 1799 if (!is_backend && (output_format & FIO_OUTPUT_JSON)) {
cc372b17 1800 /* disk util stats, if any */
a666cab8 1801 show_disk_util(1, root, &output[__FIO_OUTPUT_JSON]);
cc372b17 1802
a666cab8 1803 show_idle_prof_stats(FIO_OUTPUT_JSON, root, &output[__FIO_OUTPUT_JSON]);
f2a2ce0e 1804
a666cab8
JA		 1805 json_print_object(root, &output[__FIO_OUTPUT_JSON]);
1806 log_buf(&output[__FIO_OUTPUT_JSON], "\n");
cc372b17
SL		 1807 json_free_object(root);
1808 }
3c39a379 1809
72c27ff8
JA		 1810 for (i = 0; i < groupid + 1; i++) {
1811 rs = &runstats[i];
3c39a379 1812
72c27ff8 1813 rs->groupid = i;
d09a64a0 1814 if (is_backend)
72c27ff8 1815 fio_server_send_gs(rs);
129fb2d4 1816 else if (output_format & FIO_OUTPUT_NORMAL)
a666cab8 1817 show_group_stats(rs, &output[__FIO_OUTPUT_NORMAL]);
c6ae0a5b 1818 }
eecf272f 1819
72c27ff8
JA		 1820 if (is_backend)
1821 fio_server_send_du();
129fb2d4 1822 else if (output_format & FIO_OUTPUT_NORMAL) {
a666cab8
JA		 1823 show_disk_util(0, NULL, &output[__FIO_OUTPUT_NORMAL]);
1824 show_idle_prof_stats(FIO_OUTPUT_NORMAL, NULL, &output[__FIO_OUTPUT_NORMAL]);
60904003 1825 }
f2a2ce0e 1826
3d57c0e9 1827 for (i = 0; i < FIO_OUTPUT_NR; i++) {
a666cab8 1828 buf_output_flush(&output[i]);
3d57c0e9
JA		 1829 buf_output_free(&output[i]);
1830 }
2b8c71b0 1831
fdd5f15f 1832 log_info_flush();
eecf272f 1833 free(runstats);
756867bd 1834 free(threadstats);
66e19a38 1835 free(opt_lists);
3c39a379
JA		 1836}
1837
cef9175e
JA		 1838void show_run_stats(void)
1839{
1840 fio_mutex_down(stat_mutex);
1841 __show_run_stats();
1842 fio_mutex_up(stat_mutex);
1843}
1844
5ddc6707 1845void __show_running_run_stats(void)
b852e7cf
JA		 1846{
1847 struct thread_data *td;
1848 unsigned long long *rt;
1849 struct timeval tv;
1850 int i;
1851
90811930
JA		 1852 fio_mutex_down(stat_mutex);
1853
b852e7cf
JA		 1854 rt = malloc(thread_number * sizeof(unsigned long long));
1855 fio_gettime(&tv, NULL);
1856
1857 for_each_td(td, i) {
c97f1ad6 1858 td->update_rusage = 1;
6eaf09d6
SL		 1859 td->ts.io_bytes[DDIR_READ] = td->io_bytes[DDIR_READ];
1860 td->ts.io_bytes[DDIR_WRITE] = td->io_bytes[DDIR_WRITE];
1861 td->ts.io_bytes[DDIR_TRIM] = td->io_bytes[DDIR_TRIM];
b852e7cf 1862 td->ts.total_run_time = mtime_since(&td->epoch, &tv);
6c041a88 1863
1864 rt[i] = mtime_since(&td->start, &tv);
1865 if (td_read(td) && td->ts.io_bytes[DDIR_READ])
1866 td->ts.runtime[DDIR_READ] += rt[i];
1867 if (td_write(td) && td->ts.io_bytes[DDIR_WRITE])
1868 td->ts.runtime[DDIR_WRITE] += rt[i];
1869 if (td_trim(td) && td->ts.io_bytes[DDIR_TRIM])
1870 td->ts.runtime[DDIR_TRIM] += rt[i];
b852e7cf
JA		 1871 }
1872
c97f1ad6 1873 for_each_td(td, i) {
fda2cfac
JA		 1874 if (td->runstate >= TD_EXITED)
1875 continue;
c97f1ad6
JA		 1876 if (td->rusage_sem) {
1877 td->update_rusage = 1;
1878 fio_mutex_down(td->rusage_sem);
1879 }
1880 td->update_rusage = 0;
1881 }
1882
cef9175e 1883 __show_run_stats();
b852e7cf
JA		 1884
1885 for_each_td(td, i) {
6c041a88 1886 if (td_read(td) && td->ts.io_bytes[DDIR_READ])
b852e7cf 1887 td->ts.runtime[DDIR_READ] -= rt[i];
6c041a88 1888 if (td_write(td) && td->ts.io_bytes[DDIR_WRITE])
b852e7cf 1889 td->ts.runtime[DDIR_WRITE] -= rt[i];
6c041a88 1890 if (td_trim(td) && td->ts.io_bytes[DDIR_TRIM])
6eaf09d6 1891 td->ts.runtime[DDIR_TRIM] -= rt[i];
b852e7cf
JA		 1892 }
1893
1894 free(rt);
cef9175e 1895 fio_mutex_up(stat_mutex);
b852e7cf
JA		 1896}
1897
06464907
JA		 1898static int status_interval_init;
1899static struct timeval status_time;
77d99675 1900static int status_file_disabled;
06464907 1901
dac45f23 1902#define FIO_STATUS_FILE "fio-dump-status"
06464907
JA		 1903
1904static int check_status_file(void)
1905{
1906 struct stat sb;
a0bafb7d
BC		 1907 const char *temp_dir;
1908 char fio_status_file_path[PATH_MAX];
06464907 1909
77d99675
JA		 1910 if (status_file_disabled)
1911 return 0;
1912
a0bafb7d 1913 temp_dir = getenv("TMPDIR");
48b16e27 1914 if (temp_dir == NULL) {
a0bafb7d 1915 temp_dir = getenv("TEMP");
48b16e27
JA		 1916 if (temp_dir && strlen(temp_dir) >= PATH_MAX)
1917 temp_dir = NULL;
1918 }
a0bafb7d
BC		 1919 if (temp_dir == NULL)
1920 temp_dir = "/tmp";
1921
1922 snprintf(fio_status_file_path, sizeof(fio_status_file_path), "%s/%s", temp_dir, FIO_STATUS_FILE);
1923
1924 if (stat(fio_status_file_path, &sb))
06464907
JA		 1925 return 0;
1926
77d99675
JA		 1927 if (unlink(fio_status_file_path) < 0) {
1928 log_err("fio: failed to unlink %s: %s\n", fio_status_file_path,
1929 strerror(errno));
1930 log_err("fio: disabling status file updates\n");
1931 status_file_disabled = 1;
1932 }
1933
06464907
JA		 1934 return 1;
1935}
1936
1937void check_for_running_stats(void)
1938{
1939 if (status_interval) {
1940 if (!status_interval_init) {
1941 fio_gettime(&status_time, NULL);
1942 status_interval_init = 1;
1943 } else if (mtime_since_now(&status_time) >= status_interval) {
1944 show_running_run_stats();
1945 fio_gettime(&status_time, NULL);
1946 return;
1947 }
1948 }
1949 if (check_status_file()) {
1950 show_running_run_stats();
1951 return;
1952 }
1953}
1954
68704084 1955static inline void add_stat_sample(struct io_stat *is, unsigned long data)
3c39a379 1956{
68704084 1957 double val = data;
6660cc67 1958 double delta;
68704084
JA		 1959
1960 if (data > is->max_val)
1961 is->max_val = data;
1962 if (data < is->min_val)
1963 is->min_val = data;
1964
802ad4a8 1965 delta = val - is->mean.u.f;
ef11d737 1966 if (delta) {
802ad4a8
JA		 1967 is->mean.u.f += delta / (is->samples + 1.0);
1968 is->S.u.f += delta * (val - is->mean.u.f);
ef11d737 1969 }
3c39a379 1970
3c39a379
JA		 1971 is->samples++;
1972}
1973
7e419452
JA		 1974/*
1975 * Return a struct io_logs, which is added to the tail of the log
1976 * list for 'iolog'.
1977 */
1978static struct io_logs *get_new_log(struct io_log *iolog)
1979{
1980 size_t new_size, new_samples;
1981 struct io_logs *cur_log;
1982
1983 /*
1984 * Cap the size at MAX_LOG_ENTRIES, so we don't keep doubling
1985 * forever
1986 */
1987 if (!iolog->cur_log_max)
1988 new_samples = DEF_LOG_ENTRIES;
1989 else {
1990 new_samples = iolog->cur_log_max * 2;
1991 if (new_samples > MAX_LOG_ENTRIES)
1992 new_samples = MAX_LOG_ENTRIES;
1993 }
1994
7e419452 1995 new_size = new_samples * log_entry_sz(iolog);
7e419452 1996
90d2d53f 1997 cur_log = smalloc(sizeof(*cur_log));
7e419452
JA		 1998 if (cur_log) {
1999 INIT_FLIST_HEAD(&cur_log->list);
2000 cur_log->log = malloc(new_size);
2001 if (cur_log->log) {
2002 cur_log->nr_samples = 0;
2003 cur_log->max_samples = new_samples;
2004 flist_add_tail(&cur_log->list, &iolog->io_logs);
2005 iolog->cur_log_max = new_samples;
2006 return cur_log;
2007 }
90d2d53f 2008 sfree(cur_log);
7e419452
JA		 2009 }
2010
2011 return NULL;
2012}
2013
1fed2080
JA		 2014/*
2015 * Add and return a new log chunk, or return current log if big enough
2016 */
2017static struct io_logs *regrow_log(struct io_log *iolog)
7e419452
JA		 2018{
2019 struct io_logs *cur_log;
1fed2080 2020 int i;
7e419452 2021
1fed2080 2022 if (!iolog || iolog->disabled)
2ab71dc4 2023 goto disable;
7e419452 2024
1fed2080 2025 cur_log = iolog_cur_log(iolog);
a9afa45a
JA		 2026 if (!cur_log) {
2027 cur_log = get_new_log(iolog);
2028 if (!cur_log)
2029 return NULL;
2030 }
2031
7e419452
JA		 2032 if (cur_log->nr_samples < cur_log->max_samples)
2033 return cur_log;
2034
2035 /*
2036 * No room for a new sample. If we're compressing on the fly, flush
2037 * out the current chunk
2038 */
2039 if (iolog->log_gz) {
2040 if (iolog_cur_flush(iolog, cur_log)) {
2041 log_err("fio: failed flushing iolog! Will stop logging.\n");
2042 return NULL;
2043 }
2044 }
2045
2046 /*
2047 * Get a new log array, and add to our list
2048 */
2049 cur_log = get_new_log(iolog);
1fed2080
JA		 2050 if (!cur_log) {
2051 log_err("fio: failed extending iolog! Will stop logging.\n");
2052 return NULL;
2053 }
2054
2055 if (!iolog->pending || !iolog->pending->nr_samples)
80a24ba9 2056 return cur_log;
7e419452 2057
1fed2080
JA		 2058 /*
2059 * Flush pending items to new log
2060 */
2061 for (i = 0; i < iolog->pending->nr_samples; i++) {
2062 struct io_sample *src, *dst;
2063
2064 src = get_sample(iolog, iolog->pending, i);
2065 dst = get_sample(iolog, cur_log, i);
2066 memcpy(dst, src, log_entry_sz(iolog));
2067 }
0b2eef49 2068 cur_log->nr_samples = iolog->pending->nr_samples;
1fed2080
JA		 2069
2070 iolog->pending->nr_samples = 0;
2071 return cur_log;
2ab71dc4
JA		 2072disable:
2073 if (iolog)
2074 iolog->disabled = true;
2075 return NULL;
1fed2080
JA		 2076}
2077
2078void regrow_logs(struct thread_data *td)
2079{
2ab71dc4
JA		 2080 regrow_log(td->slat_log);
2081 regrow_log(td->clat_log);
1e613c9c 2082 regrow_log(td->clat_hist_log);
2ab71dc4
JA		 2083 regrow_log(td->lat_log);
2084 regrow_log(td->bw_log);
2085 regrow_log(td->iops_log);
1fed2080
JA		 2086 td->flags &= ~TD_F_REGROW_LOGS;
2087}
2088
2089static struct io_logs *get_cur_log(struct io_log *iolog)
2090{
2091 struct io_logs *cur_log;
2092
2093 cur_log = iolog_cur_log(iolog);
2094 if (!cur_log) {
2095 cur_log = get_new_log(iolog);
2096 if (!cur_log)
2097 return NULL;
2098 }
2099
2100 if (cur_log->nr_samples < cur_log->max_samples)
2101 return cur_log;
2102
2103 /*
1eb467fb
JA		 2104 * Out of space. If we're in IO offload mode, or we're not doing
2105 * per unit logging (hence logging happens outside of the IO thread
2106 * as well), add a new log chunk inline. If we're doing inline
2107 * submissions, flag 'td' as needing a log regrow and we'll take
2108 * care of it on the submission side.
1fed2080 2109 */
1eb467fb
JA		 2110 if (iolog->td->o.io_submit_mode == IO_MODE_OFFLOAD ||
2111 !per_unit_log(iolog))
1fed2080
JA		 2112 return regrow_log(iolog);
2113
2114 iolog->td->flags |= TD_F_REGROW_LOGS;
2115 assert(iolog->pending->nr_samples < iolog->pending->max_samples);
2116 return iolog->pending;
7e419452
JA		 2117}
2118
af2fde19 2119static void __add_log_sample(struct io_log *iolog, union io_sample_data data,
306ddc97 2120 enum fio_ddir ddir, unsigned int bs,
ae588852 2121 unsigned long t, uint64_t offset)
3c39a379 2122{
7e419452 2123 struct io_logs *cur_log;
306ddc97 2124
3c568239
JA		 2125 if (iolog->disabled)
2126 return;
7e419452 2127 if (flist_empty(&iolog->io_logs))
b8bc8cba
JA		 2128 iolog->avg_last = t;
2129
7e419452
JA		 2130 cur_log = get_cur_log(iolog);
2131 if (cur_log) {
2132 struct io_sample *s;
3c39a379 2133
7e419452 2134 s = get_sample(iolog, cur_log, cur_log->nr_samples);
3c39a379 2135
af2fde19 2136 s->data = data;
a9179eeb 2137 s->time = t + (iolog->td ? iolog->td->unix_epoch : 0);
7e419452
JA		 2138 io_sample_set_ddir(iolog, s, ddir);
2139 s->bs = bs;
ae588852 2140
7e419452
JA		 2141 if (iolog->log_offset) {
2142 struct io_sample_offset *so = (void *) s;
ae588852 2143
7e419452
JA		 2144 so->offset = offset;
2145 }
ae588852 2146
7e419452
JA		 2147 cur_log->nr_samples++;
2148 return;
ae588852
JA		 2149 }
2150
7e419452 2151 iolog->disabled = true;
3c39a379
JA		 2152}
2153
7fb28d36
JA		 2154static inline void reset_io_stat(struct io_stat *ios)
2155{
2156 ios->max_val = ios->min_val = ios->samples = 0;
2157 ios->mean.u.f = ios->S.u.f = 0;
2158}
2159
6bb58215
JA		 2160void reset_io_stats(struct thread_data *td)
2161{
2162 struct thread_stat *ts = &td->ts;
2163 int i, j;
2164
2165 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
2166 reset_io_stat(&ts->clat_stat[i]);
2167 reset_io_stat(&ts->slat_stat[i]);
2168 reset_io_stat(&ts->lat_stat[i]);
2169 reset_io_stat(&ts->bw_stat[i]);
2170 reset_io_stat(&ts->iops_stat[i]);
2171
2172 ts->io_bytes[i] = 0;
2173 ts->runtime[i] = 0;
71cb78c1
VF		 2174 ts->total_io_u[i] = 0;
2175 ts->short_io_u[i] = 0;
2176 ts->drop_io_u[i] = 0;
6bb58215
JA		 2177
2178 for (j = 0; j < FIO_IO_U_PLAT_NR; j++)
2179 ts->io_u_plat[i][j] = 0;
2180 }
2181
2182 for (i = 0; i < FIO_IO_U_MAP_NR; i++) {
2183 ts->io_u_map[i] = 0;
2184 ts->io_u_submit[i] = 0;
2185 ts->io_u_complete[i] = 0;
71cb78c1
VF		 2186 }
2187
2188 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++)
6bb58215 2189 ts->io_u_lat_u[i] = 0;
71cb78c1 2190 for (i = 0; i < FIO_IO_U_LAT_M_NR; i++)
6bb58215 2191 ts->io_u_lat_m[i] = 0;
6bb58215 2192
71cb78c1
VF		 2193 ts->total_submit = 0;
2194 ts->total_complete = 0;
6bb58215
JA		 2195}
2196
d96d3bb3 2197static void __add_stat_to_log(struct io_log *iolog, enum fio_ddir ddir,
e6989e10 2198 unsigned long elapsed, bool log_max)
99007068
PO		 2199{
2200 /*
2201 * Note an entry in the log. Use the mean from the logged samples,
2202 * making sure to properly round up. Only write a log entry if we
2203 * had actual samples done.
2204 */
d96d3bb3 2205 if (iolog->avg_window[ddir].samples) {
af2fde19 2206 union io_sample_data data;
99007068 2207
e6989e10 2208 if (log_max)
af2fde19 2209 data.val = iolog->avg_window[ddir].max_val;
e6989e10 2210 else
af2fde19 2211 data.val = iolog->avg_window[ddir].mean.u.f + 0.50;
e6989e10 2212
af2fde19 2213 __add_log_sample(iolog, data, ddir, 0, elapsed, 0);
99007068 2214 }
99007068 2215
d96d3bb3
JA		 2216 reset_io_stat(&iolog->avg_window[ddir]);
2217}
99007068 2218
e6989e10
JA		 2219static void _add_stat_to_log(struct io_log *iolog, unsigned long elapsed,
2220 bool log_max)
d96d3bb3
JA		 2221{
2222 int ddir;
99007068 2223
d96d3bb3 2224 for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++)
e6989e10 2225 __add_stat_to_log(iolog, ddir, elapsed, log_max);
99007068
PO		 2226}
2227
d454a205 2228static long add_log_sample(struct thread_data *td, struct io_log *iolog,
af2fde19 2229 union io_sample_data data, enum fio_ddir ddir,
ae588852 2230 unsigned int bs, uint64_t offset)
bb3884d8 2231{
7fb28d36 2232 unsigned long elapsed, this_window;
b8bc8cba 2233
ff58fced 2234 if (!ddir_rw(ddir))
d454a205 2235 return 0;
ff58fced 2236
b8bc8cba
JA		 2237 elapsed = mtime_since_now(&td->epoch);
2238
2239 /*
2240 * If no time averaging, just add the log sample.
2241 */
2242 if (!iolog->avg_msec) {
af2fde19 2243 __add_log_sample(iolog, data, ddir, bs, elapsed, offset);
d454a205 2244 return 0;
b8bc8cba
JA		 2245 }
2246
2247 /*
2248 * Add the sample. If the time period has passed, then
2249 * add that entry to the log and clear.
2250 */
af2fde19 2251 add_stat_sample(&iolog->avg_window[ddir], data.val);
b8bc8cba 2252
7fb28d36
JA		 2253 /*
2254 * If period hasn't passed, adding the above sample is all we
2255 * need to do.
2256 */
b8bc8cba 2257 this_window = elapsed - iolog->avg_last;
f5a568cf
JA		 2258 if (elapsed < iolog->avg_last)
2259 return iolog->avg_last - elapsed;
2260 else if (this_window < iolog->avg_msec) {
d454a205
JA		 2261 int diff = iolog->avg_msec - this_window;
2262
b392f36d 2263 if (inline_log(iolog) || diff > LOG_MSEC_SLACK)
d454a205
JA		 2264 return diff;
2265 }
b8bc8cba 2266
e6989e10 2267 _add_stat_to_log(iolog, elapsed, td->o.log_max != 0);
b8bc8cba 2268
c16556af 2269 iolog->avg_last = elapsed - (this_window - iolog->avg_msec);
d454a205 2270 return iolog->avg_msec;
99007068 2271}
6eaf09d6 2272
a47591e4 2273void finalize_logs(struct thread_data *td, bool unit_logs)
99007068
PO		 2274{
2275 unsigned long elapsed;
6eaf09d6 2276
99007068 2277 elapsed = mtime_since_now(&td->epoch);
b8bc8cba 2278
a47591e4 2279 if (td->clat_log && unit_logs)
e6989e10 2280 _add_stat_to_log(td->clat_log, elapsed, td->o.log_max != 0);
a47591e4 2281 if (td->slat_log && unit_logs)
e6989e10 2282 _add_stat_to_log(td->slat_log, elapsed, td->o.log_max != 0);
a47591e4 2283 if (td->lat_log && unit_logs)
e6989e10 2284 _add_stat_to_log(td->lat_log, elapsed, td->o.log_max != 0);
a47591e4 2285 if (td->bw_log && (unit_logs == per_unit_log(td->bw_log)))
e6989e10 2286 _add_stat_to_log(td->bw_log, elapsed, td->o.log_max != 0);
a47591e4 2287 if (td->iops_log && (unit_logs == per_unit_log(td->iops_log)))
e6989e10 2288 _add_stat_to_log(td->iops_log, elapsed, td->o.log_max != 0);
bb3884d8
JA		 2289}
2290
af2fde19 2291void add_agg_sample(union io_sample_data data, enum fio_ddir ddir, unsigned int bs)
bb3884d8 2292{
ff58fced 2293 struct io_log *iolog;
bb3884d8 2294
ff58fced
JA		 2295 if (!ddir_rw(ddir))
2296 return;
2297
2298 iolog = agg_io_log[ddir];
af2fde19 2299 __add_log_sample(iolog, data, ddir, bs, mtime_since_genesis(), 0);
bb3884d8
JA		 2300}
2301
83349190
YH		 2302static void add_clat_percentile_sample(struct thread_stat *ts,
2303 unsigned long usec, enum fio_ddir ddir)
2304{
2305 unsigned int idx = plat_val_to_idx(usec);
2306 assert(idx < FIO_IO_U_PLAT_NR);
2307
2308 ts->io_u_plat[ddir][idx]++;
2309}
2310
1e97cce9 2311void add_clat_sample(struct thread_data *td, enum fio_ddir ddir,
ae588852 2312 unsigned long usec, unsigned int bs, uint64_t offset)
3c39a379 2313{
1e613c9c 2314 unsigned long elapsed, this_window;
756867bd 2315 struct thread_stat *ts = &td->ts;
1e613c9c 2316 struct io_log *iolog = td->clat_hist_log;
079ad09b 2317
75dc383e
JA		 2318 td_io_u_lock(td);
2319
d85f5118 2320 add_stat_sample(&ts->clat_stat[ddir], usec);
3c39a379 2321
7b9f733a 2322 if (td->clat_log)
af2fde19
SW		 2323 add_log_sample(td, td->clat_log, sample_val(usec), ddir, bs,
2324 offset);
83349190
YH		 2325
2326 if (ts->clat_percentiles)
2327 add_clat_percentile_sample(ts, usec, ddir);
75dc383e 2328
1e613c9c 2329 if (iolog && iolog->hist_msec) {
93168285
JA		 2330 struct io_hist *hw = &iolog->hist_window[ddir];
2331
2332 hw->samples++;
1e613c9c 2333 elapsed = mtime_since_now(&td->epoch);
93168285 2334 if (!hw->hist_last)
1e613c9c
KC		 2335 hw->hist_last = elapsed;
2336 this_window = elapsed - hw->hist_last;
2337
2338 if (this_window >= iolog->hist_msec) {
93168285 2339 unsigned int *io_u_plat;
65a4d15c 2340 struct io_u_plat_entry *dst;
93168285 2341
1e613c9c 2342 /*
93168285
JA		 2343 * Make a byte-for-byte copy of the latency histogram
2344 * stored in td->ts.io_u_plat[ddir], recording it in a
2345 * log sample. Note that the matching call to free() is
2346 * located in iolog.c after printing this sample to the
2347 * log file.
1e613c9c 2348 */
93168285 2349 io_u_plat = (unsigned int *) td->ts.io_u_plat[ddir];
65a4d15c
KC		 2350 dst = malloc(sizeof(struct io_u_plat_entry));
2351 memcpy(&(dst->io_u_plat), io_u_plat,
93168285 2352 FIO_IO_U_PLAT_NR * sizeof(unsigned int));
d730bc58 2353 flist_add(&dst->list, &hw->list);
af2fde19 2354 __add_log_sample(iolog, sample_plat(dst), ddir, bs,
93168285 2355 elapsed, offset);
1e613c9c
KC		 2356
2357 /*
93168285
JA		 2358 * Update the last time we recorded as being now, minus
2359 * any drift in time we encountered before actually
2360 * making the record.
1e613c9c
KC		 2361 */
2362 hw->hist_last = elapsed - (this_window - iolog->hist_msec);
2363 hw->samples = 0;
2364 }
2365 }
2366
75dc383e 2367 td_io_u_unlock(td);
3c39a379
JA		 2368}
2369
1e97cce9 2370void add_slat_sample(struct thread_data *td, enum fio_ddir ddir,
ae588852 2371 unsigned long usec, unsigned int bs, uint64_t offset)
3c39a379 2372{
756867bd 2373 struct thread_stat *ts = &td->ts;
079ad09b 2374
ff58fced
JA		 2375 if (!ddir_rw(ddir))
2376 return;
2377
75dc383e
JA		 2378 td_io_u_lock(td);
2379
d85f5118 2380 add_stat_sample(&ts->slat_stat[ddir], usec);
3c39a379 2381
7b9f733a 2382 if (td->slat_log)
af2fde19 2383 add_log_sample(td, td->slat_log, sample_val(usec), ddir, bs, offset);
75dc383e
JA		 2384
2385 td_io_u_unlock(td);
3c39a379
JA		 2386}
2387
02af0988 2388void add_lat_sample(struct thread_data *td, enum fio_ddir ddir,
ae588852 2389 unsigned long usec, unsigned int bs, uint64_t offset)
02af0988
JA		 2390{
2391 struct thread_stat *ts = &td->ts;
2392
ff58fced
JA		 2393 if (!ddir_rw(ddir))
2394 return;
2395
75dc383e
JA		 2396 td_io_u_lock(td);
2397
02af0988
JA		 2398 add_stat_sample(&ts->lat_stat[ddir], usec);
2399
7b9f733a 2400 if (td->lat_log)
af2fde19
SW		 2401 add_log_sample(td, td->lat_log, sample_val(usec), ddir, bs,
2402 offset);
75dc383e
JA		 2403
2404 td_io_u_unlock(td);
02af0988
JA		 2405}
2406
a47591e4
JA		 2407void add_bw_sample(struct thread_data *td, struct io_u *io_u,
2408 unsigned int bytes, unsigned long spent)
2409{
2410 struct thread_stat *ts = &td->ts;
2411 unsigned long rate;
2412
2413 if (spent)
2414 rate = bytes * 1000 / spent;
2415 else
2416 rate = 0;
2417
2418 td_io_u_lock(td);
2419
2420 add_stat_sample(&ts->bw_stat[io_u->ddir], rate);
2421
2422 if (td->bw_log)
af2fde19
SW		 2423 add_log_sample(td, td->bw_log, sample_val(rate), io_u->ddir,
2424 bytes, io_u->offset);
a47591e4
JA		 2425
2426 td->stat_io_bytes[io_u->ddir] = td->this_io_bytes[io_u->ddir];
2427 td_io_u_unlock(td);
2428}
2429
4843277a
JA		 2430static int __add_samples(struct thread_data *td, struct timeval *parent_tv,
2431 struct timeval *t, unsigned int avg_time,
2432 uint64_t *this_io_bytes, uint64_t *stat_io_bytes,
2433 struct io_stat *stat, struct io_log *log,
2434 bool is_kb)
3c39a379 2435{
ff58fced 2436 unsigned long spent, rate;
a47591e4 2437 enum fio_ddir ddir;
d454a205
JA		 2438 unsigned int next, next_log;
2439
4843277a 2440 next_log = avg_time;
ff58fced 2441
4843277a
JA		 2442 spent = mtime_since(parent_tv, t);
2443 if (spent < avg_time && avg_time - spent >= LOG_MSEC_SLACK)
2444 return avg_time - spent;
9602d8df 2445
a9da8ab2
JA		 2446 td_io_u_lock(td);
2447
9602d8df 2448 /*
5daa4ebe
JC		 2449 * Compute both read and write rates for the interval.
2450 */
c1f50f76 2451 for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++) {
5daa4ebe
JC		 2452 uint64_t delta;
2453
4843277a 2454 delta = this_io_bytes[ddir] - stat_io_bytes[ddir];
5daa4ebe
JC		 2455 if (!delta)
2456 continue; /* No entries for interval */
3c39a379 2457
4843277a
JA		 2458 if (spent) {
2459 if (is_kb)
2460 rate = delta * 1000 / spent / 1024; /* KiB/s */
2461 else
2462 rate = (delta * 1000) / spent;
2463 } else
0956264f
JA		 2464 rate = 0;
2465
4843277a 2466 add_stat_sample(&stat[ddir], rate);
3c39a379 2467
66b98c9f
JA		 2468 if (td->bw_log) {
2469 unsigned int bs = 0;
2470
2471 if (td->o.min_bs[ddir] == td->o.max_bs[ddir])
2472 bs = td->o.min_bs[ddir];
2473
4843277a 2474 next = add_log_sample(td, log, sample_val(rate), ddir, bs, 0);
d454a205 2475 next_log = min(next_log, next);
66b98c9f 2476 }
5daa4ebe 2477
4843277a 2478 stat_io_bytes[ddir] = this_io_bytes[ddir];
5daa4ebe 2479 }
3c39a379 2480
4843277a 2481 timeval_add_msec(parent_tv, avg_time);
a47591e4
JA		 2482
2483 td_io_u_unlock(td);
2484
4843277a
JA		 2485 if (spent <= avg_time)
2486 next = avg_time;
306fea38 2487 else
4843277a 2488 next = avg_time - (1 + spent - avg_time);
a47591e4 2489
d454a205 2490 return min(next, next_log);
a47591e4
JA		 2491}
2492
4843277a
JA		 2493static int add_bw_samples(struct thread_data *td, struct timeval *t)
2494{
2495 return __add_samples(td, &td->bw_sample_time, t, td->o.bw_avg_time,
2496 td->this_io_bytes, td->stat_io_bytes,
2497 td->ts.bw_stat, td->bw_log, true);
2498}
2499
a47591e4
JA		 2500void add_iops_sample(struct thread_data *td, struct io_u *io_u,
2501 unsigned int bytes)
2502{
2503 struct thread_stat *ts = &td->ts;
2504
2505 td_io_u_lock(td);
2506
2507 add_stat_sample(&ts->iops_stat[io_u->ddir], 1);
2508
2509 if (td->iops_log)
af2fde19
SW		 2510 add_log_sample(td, td->iops_log, sample_val(1), io_u->ddir,
2511 bytes, io_u->offset);
a47591e4
JA		 2512
2513 td->stat_io_blocks[io_u->ddir] = td->this_io_blocks[io_u->ddir];
a9da8ab2 2514 td_io_u_unlock(td);
3c39a379 2515}
c8eeb9df 2516
a47591e4 2517static int add_iops_samples(struct thread_data *td, struct timeval *t)
c8eeb9df 2518{
4843277a
JA		 2519 return __add_samples(td, &td->iops_sample_time, t, td->o.iops_avg_time,
2520 td->this_io_blocks, td->stat_io_blocks,
2521 td->ts.iops_stat, td->iops_log, false);
a47591e4
JA		 2522}
2523
2524/*
2525 * Returns msecs to next event
2526 */
2527int calc_log_samples(void)
2528{
2529 struct thread_data *td;
2530 unsigned int next = ~0U, tmp;
2531 struct timeval now;
2532 int i;
2533
2534 fio_gettime(&now, NULL);
2535
2536 for_each_td(td, i) {
8243be59
JA		 2537 if (!td->o.stats)
2538 continue;
6a89b401 2539 if (in_ramp_time(td) ||
a47591e4
JA		 2540 !(td->runstate == TD_RUNNING || td->runstate == TD_VERIFYING)) {
2541 next = min(td->o.iops_avg_time, td->o.bw_avg_time);
2542 continue;
2543 }
9e4438fe 2544 if (td->bw_log && !per_unit_log(td->bw_log)) {
a47591e4
JA		 2545 tmp = add_bw_samples(td, &now);
2546 if (tmp < next)
2547 next = tmp;
2548 }
9e4438fe 2549 if (td->iops_log && !per_unit_log(td->iops_log)) {
a47591e4
JA		 2550 tmp = add_iops_samples(td, &now);
2551 if (tmp < next)
2552 next = tmp;
2553 }
2554 }
2555
2556 return next == ~0U ? 0 : next;
c8eeb9df 2557}
cef9175e
JA		 2558
2559void stat_init(void)
2560{
2561 stat_mutex = fio_mutex_init(FIO_MUTEX_UNLOCKED);
2562}
2563
2564void stat_exit(void)
2565{
2566 /*
2567 * When we have the mutex, we know out-of-band access to it
2568 * have ended.
2569 */
2570 fio_mutex_down(stat_mutex);
2571 fio_mutex_remove(stat_mutex);
2572}
b2ee7647 2573
b2ee7647
JA		 2574/*
2575 * Called from signal handler. Wake up status thread.
2576 */
2577void show_running_run_stats(void)
2578{
a47591e4 2579 helper_do_stat();
b2ee7647 2580}
66347cfa
DE		 2581
2582uint32_t *io_u_block_info(struct thread_data *td, struct io_u *io_u)
2583{
2584 /* Ignore io_u's which span multiple blocks--they will just get
2585 * inaccurate counts. */
2586 int idx = (io_u->offset - io_u->file->file_offset)
2587 / td->o.bs[DDIR_TRIM];
2588 uint32_t *info = &td->ts.block_infos[idx];
2589 assert(idx < td->ts.nr_block_infos);
2590 return info;
2591}
fio - Flexible IO Tester