blob: 6c652d6e4f8708039c7074d833471d3e0ddd0c0b [file] [log] [blame]
Jens Axboe3c39a372006-06-06 20:56:12 +02001#include <stdio.h>
2#include <string.h>
3#include <sys/time.h>
4#include <sys/types.h>
Jens Axboe5c4e1db2006-06-07 14:17:08 +02005#include <sys/stat.h>
Jens Axboe3c39a372006-06-06 20:56:12 +02006#include <dirent.h>
7#include <libgen.h>
8#include <math.h>
9
10#include "fio.h"
Jens Axboe7c9b1bc2009-06-03 09:25:57 +020011#include "diskutil.h"
Jens Axboe802ad4a2011-10-05 09:51:58 +020012#include "ieee754.h"
Jens Axboe3c39a372006-06-06 20:56:12 +020013
Jens Axboe3c39a372006-06-06 20:56:12 +020014void update_rusage_stat(struct thread_data *td)
15{
Jens Axboe756867b2007-03-06 15:19:24 +010016 struct thread_stat *ts = &td->ts;
Jens Axboe3c39a372006-06-06 20:56:12 +020017
Jens Axboec8aaba12011-10-03 12:14:19 +020018 getrusage(RUSAGE_SELF, &td->ru_end);
Jens Axboe079ad092007-02-20 13:58:20 +010019
Jens Axboec8aaba12011-10-03 12:14:19 +020020 ts->usr_time += mtime_since(&td->ru_start.ru_utime,
21 &td->ru_end.ru_utime);
22 ts->sys_time += mtime_since(&td->ru_start.ru_stime,
23 &td->ru_end.ru_stime);
24 ts->ctx += td->ru_end.ru_nvcsw + td->ru_end.ru_nivcsw
25 - (td->ru_start.ru_nvcsw + td->ru_start.ru_nivcsw);
26 ts->minf += td->ru_end.ru_minflt - td->ru_start.ru_minflt;
27 ts->majf += td->ru_end.ru_majflt - td->ru_start.ru_majflt;
Jens Axboe5ec10ea2008-03-06 15:42:00 +010028
Jens Axboec8aaba12011-10-03 12:14:19 +020029 memcpy(&td->ru_start, &td->ru_end, sizeof(td->ru_end));
Jens Axboe3c39a372006-06-06 20:56:12 +020030}
31
Yu-ju Hong83349192011-08-13 00:53:44 +020032/*
33 * Given a latency, return the index of the corresponding bucket in
34 * the structure tracking percentiles.
35 *
36 * (1) find the group (and error bits) that the value (latency)
37 * belongs to by looking at its MSB. (2) find the bucket number in the
38 * group by looking at the index bits.
39 *
40 */
41static unsigned int plat_val_to_idx(unsigned int val)
42{
43 unsigned int msb, error_bits, base, offset, idx;
44
45 /* Find MSB starting from bit 0 */
46 if (val == 0)
47 msb = 0;
48 else
49 msb = (sizeof(val)*8) - __builtin_clz(val) - 1;
50
Jens Axboe716050f2011-08-16 08:43:45 +020051 /*
52 * MSB <= (FIO_IO_U_PLAT_BITS-1), cannot be rounded off. Use
53 * all bits of the sample as index
54 */
Yu-ju Hong83349192011-08-13 00:53:44 +020055 if (msb <= FIO_IO_U_PLAT_BITS)
56 return val;
57
58 /* Compute the number of error bits to discard*/
59 error_bits = msb - FIO_IO_U_PLAT_BITS;
60
61 /* Compute the number of buckets before the group */
62 base = (error_bits + 1) << FIO_IO_U_PLAT_BITS;
63
Jens Axboe716050f2011-08-16 08:43:45 +020064 /*
65 * Discard the error bits and apply the mask to find the
66 * index for the buckets in the group
67 */
Yu-ju Hong83349192011-08-13 00:53:44 +020068 offset = (FIO_IO_U_PLAT_VAL - 1) & (val >> error_bits);
69
70 /* Make sure the index does not exceed (array size - 1) */
71 idx = (base + offset) < (FIO_IO_U_PLAT_NR - 1)?
72 (base + offset) : (FIO_IO_U_PLAT_NR - 1);
73
74 return idx;
75}
76
77/*
78 * Convert the given index of the bucket array to the value
79 * represented by the bucket
80 */
81static unsigned int plat_idx_to_val(unsigned int idx)
82{
83 unsigned int error_bits, k, base;
84
85 assert(idx < FIO_IO_U_PLAT_NR);
86
87 /* MSB <= (FIO_IO_U_PLAT_BITS-1), cannot be rounded off. Use
88 * all bits of the sample as index */
89 if (idx < (FIO_IO_U_PLAT_VAL << 1) )
90 return idx;
91
92 /* Find the group and compute the minimum value of that group */
93 error_bits = (idx >> FIO_IO_U_PLAT_BITS) -1;
94 base = 1 << (error_bits + FIO_IO_U_PLAT_BITS);
95
96 /* Find its bucket number of the group */
97 k = idx % FIO_IO_U_PLAT_VAL;
98
99 /* Return the mean of the range of the bucket */
100 return base + ((k + 0.5) * (1 << error_bits));
101}
102
103static int double_cmp(const void *a, const void *b)
104{
Jens Axboe802ad4a2011-10-05 09:51:58 +0200105 const fio_fp64_t fa = *(const fio_fp64_t *) a;
106 const fio_fp64_t fb = *(const fio_fp64_t *) b;
Yu-ju Hong83349192011-08-13 00:53:44 +0200107 int cmp = 0;
108
Jens Axboe802ad4a2011-10-05 09:51:58 +0200109 if (fa.u.f > fb.u.f)
Yu-ju Hong83349192011-08-13 00:53:44 +0200110 cmp = 1;
Jens Axboe802ad4a2011-10-05 09:51:58 +0200111 else if (fa.u.f < fb.u.f)
Yu-ju Hong83349192011-08-13 00:53:44 +0200112 cmp = -1;
113
114 return cmp;
115}
116
117/*
118 * Find and display the p-th percentile of clat
119 */
Jens Axboec59971e2011-10-04 10:34:03 +0200120static void show_clat_percentiles(unsigned int *io_u_plat, unsigned long nr,
Jens Axboe802ad4a2011-10-05 09:51:58 +0200121 fio_fp64_t *plist)
Yu-ju Hong83349192011-08-13 00:53:44 +0200122{
123 unsigned long sum = 0;
124 unsigned int len, i, j = 0;
Jens Axboe716050f2011-08-16 08:43:45 +0200125 int is_last = 0;
Yu-ju Hong83349192011-08-13 00:53:44 +0200126
Jens Axboe802ad4a2011-10-05 09:51:58 +0200127 len = 0;
128 while (len < FIO_IO_U_LIST_MAX_LEN && plist[len].u.f != 0.0)
129 len++;
Jens Axboe716050f2011-08-16 08:43:45 +0200130
131 /*
Jens Axboe802ad4a2011-10-05 09:51:58 +0200132 * Sort the percentile list. Note that it may already be sorted if
133 * we are using the default values, but since it's a short list this
134 * isn't a worry. Also note that this does not work for NaN values.
Jens Axboe716050f2011-08-16 08:43:45 +0200135 */
Jens Axboe802ad4a2011-10-05 09:51:58 +0200136 if (len > 1)
137 qsort((void*)plist, len, sizeof(plist[0]), double_cmp);
Yu-ju Hong83349192011-08-13 00:53:44 +0200138
Yu-ju Hong83349192011-08-13 00:53:44 +0200139 log_info(" clat percentiles (usec) :");
140
Jens Axboe716050f2011-08-16 08:43:45 +0200141 for (i = 0; i < FIO_IO_U_PLAT_NR && !is_last; i++) {
Yu-ju Hong83349192011-08-13 00:53:44 +0200142 sum += io_u_plat[i];
Jens Axboe802ad4a2011-10-05 09:51:58 +0200143 while (sum >= (plist[j].u.f / 100.0 * nr)) {
144 assert(plist[j].u.f <= 100.0);
Yu-ju Hong83349192011-08-13 00:53:44 +0200145
Jens Axboe716050f2011-08-16 08:43:45 +0200146 /* for formatting */
147 if (j != 0 && (j % 4) == 0)
Yu-ju Hong83349192011-08-13 00:53:44 +0200148 log_info(" ");
149
150 /* end of the list */
151 is_last = (j == len - 1);
152
153 log_info(" %2.2fth=%u%c", plist[j], plat_idx_to_val(i),
154 (is_last? '\n' : ','));
155
Jens Axboe716050f2011-08-16 08:43:45 +0200156 if (is_last)
157 break;
Yu-ju Hong83349192011-08-13 00:53:44 +0200158
Jens Axboe716050f2011-08-16 08:43:45 +0200159 if (j % 4 == 3) /* for formatting */
Yu-ju Hong83349192011-08-13 00:53:44 +0200160 log_info("\n");
161 j++;
162 }
163 }
164}
165
Jens Axboe3c39a372006-06-06 20:56:12 +0200166static int calc_lat(struct io_stat *is, unsigned long *min, unsigned long *max,
167 double *mean, double *dev)
168{
Jens Axboe68704082007-01-10 19:56:37 +0100169 double n = is->samples;
Jens Axboe3c39a372006-06-06 20:56:12 +0200170
171 if (is->samples == 0)
172 return 0;
173
174 *min = is->min_val;
175 *max = is->max_val;
176
177 n = (double) is->samples;
Jens Axboe802ad4a2011-10-05 09:51:58 +0200178 *mean = is->mean.u.f;
Jens Axboe3c39a372006-06-06 20:56:12 +0200179
Jens Axboe68704082007-01-10 19:56:37 +0100180 if (n > 1.0)
Jens Axboe802ad4a2011-10-05 09:51:58 +0200181 *dev = sqrt(is->S.u.f / (n - 1.0));
Jens Axboeef9c5c42007-01-03 14:21:13 +0100182 else
Jens Axboe4b43f542007-07-19 21:38:35 +0200183 *dev = 0;
Jens Axboeef9c5c42007-01-03 14:21:13 +0100184
Jens Axboe3c39a372006-06-06 20:56:12 +0200185 return 1;
186}
187
Jens Axboea64e88d2011-10-03 14:20:01 +0200188void show_group_stats(struct group_run_stats *rs)
Jens Axboe3c39a372006-06-06 20:56:12 +0200189{
Jens Axboedbe11252007-02-11 00:19:51 +0100190 char *p1, *p2, *p3, *p4;
191 const char *ddir_str[] = { " READ", " WRITE" };
192 int i;
193
Jens Axboea64e88d2011-10-03 14:20:01 +0200194 log_info("\nRun status group %d (all jobs):\n", rs->groupid);
Jens Axboe3c39a372006-06-06 20:56:12 +0200195
Jens Axboedbe11252007-02-11 00:19:51 +0100196 for (i = 0; i <= DDIR_WRITE; i++) {
Jens Axboe90fef2d2009-07-17 22:33:32 +0200197 const int i2p = is_power_of_2(rs->kb_base);
198
Jens Axboedbe11252007-02-11 00:19:51 +0100199 if (!rs->max_run[i])
200 continue;
201
Jens Axboe90fef2d2009-07-17 22:33:32 +0200202 p1 = num2str(rs->io_kb[i], 6, rs->kb_base, i2p);
203 p2 = num2str(rs->agg[i], 6, rs->kb_base, i2p);
204 p3 = num2str(rs->min_bw[i], 6, rs->kb_base, i2p);
205 p4 = num2str(rs->max_bw[i], 6, rs->kb_base, i2p);
Jens Axboedbe11252007-02-11 00:19:51 +0100206
Jens Axboeb22989b2009-07-17 22:29:23 +0200207 log_info("%s: io=%sB, aggrb=%sB/s, minb=%sB/s, maxb=%sB/s,"
Jens Axboe5ec10ea2008-03-06 15:42:00 +0100208 " mint=%llumsec, maxt=%llumsec\n", ddir_str[i], p1, p2,
209 p3, p4, rs->min_run[i],
210 rs->max_run[i]);
Jens Axboedbe11252007-02-11 00:19:51 +0100211
212 free(p1);
213 free(p2);
214 free(p3);
215 free(p4);
216 }
Jens Axboe3c39a372006-06-06 20:56:12 +0200217}
218
Jens Axboeb3605062007-03-12 14:19:47 +0100219#define ts_total_io_u(ts) \
220 ((ts)->total_io_u[0] + (ts)->total_io_u[1])
221
Jens Axboe838bc702008-05-22 13:08:23 +0200222static void stat_calc_dist(unsigned int *map, unsigned long total,
223 double *io_u_dist)
Jens Axboe22708902007-03-06 17:05:32 +0100224{
225 int i;
226
227 /*
228 * Do depth distribution calculations
229 */
230 for (i = 0; i < FIO_IO_U_MAP_NR; i++) {
Jens Axboe838bc702008-05-22 13:08:23 +0200231 if (total) {
232 io_u_dist[i] = (double) map[i] / (double) total;
233 io_u_dist[i] *= 100.0;
234 if (io_u_dist[i] < 0.1 && map[i])
235 io_u_dist[i] = 0.1;
236 } else
237 io_u_dist[i] = 0.0;
Jens Axboe22708902007-03-06 17:05:32 +0100238 }
239}
240
Jens Axboe04a0fea2007-06-19 12:48:41 +0200241static void stat_calc_lat(struct thread_stat *ts, double *dst,
242 unsigned int *src, int nr)
Jens Axboe22708902007-03-06 17:05:32 +0100243{
Jens Axboe838bc702008-05-22 13:08:23 +0200244 unsigned long total = ts_total_io_u(ts);
Jens Axboe22708902007-03-06 17:05:32 +0100245 int i;
246
247 /*
248 * Do latency distribution calculations
249 */
Jens Axboe04a0fea2007-06-19 12:48:41 +0200250 for (i = 0; i < nr; i++) {
Jens Axboe838bc702008-05-22 13:08:23 +0200251 if (total) {
252 dst[i] = (double) src[i] / (double) total;
253 dst[i] *= 100.0;
254 if (dst[i] < 0.01 && src[i])
255 dst[i] = 0.01;
256 } else
257 dst[i] = 0.0;
Jens Axboe22708902007-03-06 17:05:32 +0100258 }
259}
260
Jens Axboe04a0fea2007-06-19 12:48:41 +0200261static void stat_calc_lat_u(struct thread_stat *ts, double *io_u_lat)
262{
263 stat_calc_lat(ts, io_u_lat, ts->io_u_lat_u, FIO_IO_U_LAT_U_NR);
264}
265
266static void stat_calc_lat_m(struct thread_stat *ts, double *io_u_lat)
267{
268 stat_calc_lat(ts, io_u_lat, ts->io_u_lat_m, FIO_IO_U_LAT_M_NR);
269}
270
Jens Axboeea2accc2007-06-19 09:48:44 +0200271static int usec_to_msec(unsigned long *min, unsigned long *max, double *mean,
272 double *dev)
273{
274 if (*min > 1000 && *max > 1000 && *mean > 1000.0 && *dev > 1000.0) {
275 *min /= 1000;
276 *max /= 1000;
277 *mean /= 1000.0;
278 *dev /= 1000.0;
279 return 0;
280 }
281
282 return 1;
283}
284
Jens Axboe756867b2007-03-06 15:19:24 +0100285static void show_ddir_status(struct group_run_stats *rs, struct thread_stat *ts,
Jens Axboe3c39a372006-06-06 20:56:12 +0200286 int ddir)
287{
Jens Axboe3c9b60c2006-11-07 08:36:14 +0100288 const char *ddir_str[] = { "read ", "write" };
Jens Axboe8879fd12009-04-20 10:06:02 +0200289 unsigned long min, max, runt;
Jens Axboeb3605062007-03-12 14:19:47 +0100290 unsigned long long bw, iops;
Jens Axboe3c39a372006-06-06 20:56:12 +0200291 double mean, dev;
Jens Axboeb3605062007-03-12 14:19:47 +0100292 char *io_p, *bw_p, *iops_p;
Jens Axboe90fef2d2009-07-17 22:33:32 +0200293 int i2p;
Jens Axboe3c39a372006-06-06 20:56:12 +0200294
Jens Axboeff58fce2010-08-25 12:02:08 +0200295 assert(ddir_rw(ddir));
296
Jens Axboe756867b2007-03-06 15:19:24 +0100297 if (!ts->runtime[ddir])
Jens Axboe3c39a372006-06-06 20:56:12 +0200298 return;
299
Jens Axboe90fef2d2009-07-17 22:33:32 +0200300 i2p = is_power_of_2(rs->kb_base);
Jens Axboe8879fd12009-04-20 10:06:02 +0200301 runt = ts->runtime[ddir];
302
303 bw = (1000 * ts->io_bytes[ddir]) / runt;
Jens Axboe90fef2d2009-07-17 22:33:32 +0200304 io_p = num2str(ts->io_bytes[ddir], 6, 1, i2p);
305 bw_p = num2str(bw, 6, 1, i2p);
Jens Axboe8879fd12009-04-20 10:06:02 +0200306
Bruce Cran0aacc502011-07-09 08:19:53 +0200307 iops = (1000 * (uint64_t)ts->total_io_u[ddir]) / runt;
Jens Axboeb3605062007-03-12 14:19:47 +0100308 iops_p = num2str(iops, 6, 1, 0);
Jens Axboedbe11252007-02-11 00:19:51 +0100309
Signed-off-by Steven Prattcda99fa2010-12-14 08:31:36 +0100310 log_info(" %s: io=%sB, bw=%sB/s, iops=%s, runt=%6llumsec\n",
Jens Axboe5ec10ea2008-03-06 15:42:00 +0100311 ddir_str[ddir], io_p, bw_p, iops_p,
312 ts->runtime[ddir]);
Jens Axboedbe11252007-02-11 00:19:51 +0100313
314 free(io_p);
315 free(bw_p);
Jens Axboeb3605062007-03-12 14:19:47 +0100316 free(iops_p);
Jens Axboe3c39a372006-06-06 20:56:12 +0200317
Jens Axboed85f5112007-06-18 09:41:23 +0200318 if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev)) {
319 const char *base = "(usec)";
Jens Axboed9309cb2007-08-16 13:07:46 +0200320 char *minp, *maxp;
Jens Axboe3c39a372006-06-06 20:56:12 +0200321
Jens Axboeea2accc2007-06-19 09:48:44 +0200322 if (!usec_to_msec(&min, &max, &mean, &dev))
Jens Axboed85f5112007-06-18 09:41:23 +0200323 base = "(msec)";
Jens Axboeea2accc2007-06-19 09:48:44 +0200324
Jens Axboed9309cb2007-08-16 13:07:46 +0200325 minp = num2str(min, 6, 1, 0);
326 maxp = num2str(max, 6, 1, 0);
327
Jens Axboe5ec10ea2008-03-06 15:42:00 +0100328 log_info(" slat %s: min=%s, max=%s, avg=%5.02f,"
329 " stdev=%5.02f\n", base, minp, maxp, mean, dev);
Jens Axboed9309cb2007-08-16 13:07:46 +0200330
331 free(minp);
332 free(maxp);
Jens Axboed85f5112007-06-18 09:41:23 +0200333 }
334 if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev)) {
335 const char *base = "(usec)";
Jens Axboed9309cb2007-08-16 13:07:46 +0200336 char *minp, *maxp;
Jens Axboe3c39a372006-06-06 20:56:12 +0200337
Jens Axboeea2accc2007-06-19 09:48:44 +0200338 if (!usec_to_msec(&min, &max, &mean, &dev))
339 base = "(msec)";
340
Jens Axboed9309cb2007-08-16 13:07:46 +0200341 minp = num2str(min, 6, 1, 0);
342 maxp = num2str(max, 6, 1, 0);
Jens Axboe5ec10ea2008-03-06 15:42:00 +0100343
344 log_info(" clat %s: min=%s, max=%s, avg=%5.02f,"
345 " stdev=%5.02f\n", base, minp, maxp, mean, dev);
Jens Axboed9309cb2007-08-16 13:07:46 +0200346
347 free(minp);
348 free(maxp);
Jens Axboed85f5112007-06-18 09:41:23 +0200349 }
Jens Axboe02af0982010-06-24 09:59:34 +0200350 if (calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev)) {
351 const char *base = "(usec)";
352 char *minp, *maxp;
353
354 if (!usec_to_msec(&min, &max, &mean, &dev))
355 base = "(msec)";
356
357 minp = num2str(min, 6, 1, 0);
358 maxp = num2str(max, 6, 1, 0);
359
360 log_info(" lat %s: min=%s, max=%s, avg=%5.02f,"
361 " stdev=%5.02f\n", base, minp, maxp, mean, dev);
362
363 free(minp);
364 free(maxp);
365 }
Yu-ju Hong83349192011-08-13 00:53:44 +0200366 if (ts->clat_percentiles) {
367 show_clat_percentiles(ts->io_u_plat[ddir],
368 ts->clat_stat[ddir].samples,
369 ts->percentile_list);
370 }
Jens Axboe079ad092007-02-20 13:58:20 +0100371 if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) {
Jens Axboe3c39a372006-06-06 20:56:12 +0200372 double p_of_agg;
373
374 p_of_agg = mean * 100 / (double) rs->agg[ddir];
Jens Axboec8eeb9d2011-10-05 14:02:22 +0200375 log_info(" bw (KB/s) : min=%5lu, max=%5lu, per=%3.2f%%,"
Jens Axboe5ec10ea2008-03-06 15:42:00 +0100376 " avg=%5.02f, stdev=%5.02f\n", min, max, p_of_agg,
377 mean, dev);
Jens Axboe3c39a372006-06-06 20:56:12 +0200378 }
379}
380
Jens Axboe04a0fea2007-06-19 12:48:41 +0200381static void show_lat(double *io_u_lat, int nr, const char **ranges,
382 const char *msg)
383{
384 int new_line = 1, i, line = 0;
385
386 for (i = 0; i < nr; i++) {
387 if (io_u_lat[i] <= 0.0)
388 continue;
389 if (new_line) {
Jens Axboe4539ed72007-07-23 14:21:17 +0200390 if (line)
391 log_info("\n");
Jens Axboe04a0fea2007-06-19 12:48:41 +0200392 log_info(" lat (%s): ", msg);
393 new_line = 0;
394 line = 0;
395 }
396 if (line)
397 log_info(", ");
398 log_info("%s%3.2f%%", ranges[i], io_u_lat[i]);
399 line++;
400 if (line == 5)
401 new_line = 1;
402 }
Jens Axboe04a0fea2007-06-19 12:48:41 +0200403}
404
405static void show_lat_u(double *io_u_lat_u)
406{
407 const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=",
408 "250=", "500=", "750=", "1000=", };
409
410 show_lat(io_u_lat_u, FIO_IO_U_LAT_U_NR, ranges, "usec");
411}
412
413static void show_lat_m(double *io_u_lat_m)
414{
415 const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=",
416 "250=", "500=", "750=", "1000=", "2000=",
417 ">=2000=", };
418
419 show_lat(io_u_lat_m, FIO_IO_U_LAT_M_NR, ranges, "msec");
420}
421
422static void show_latencies(double *io_u_lat_u, double *io_u_lat_m)
423{
424 show_lat_u(io_u_lat_u);
Jens Axboe4539ed72007-07-23 14:21:17 +0200425 log_info("\n");
Jens Axboe04a0fea2007-06-19 12:48:41 +0200426 show_lat_m(io_u_lat_m);
427 log_info("\n");
428}
429
Jens Axboea64e88d2011-10-03 14:20:01 +0200430void show_thread_status(struct thread_stat *ts, struct group_run_stats *rs)
Jens Axboe3c39a372006-06-06 20:56:12 +0200431{
432 double usr_cpu, sys_cpu;
Jens Axboe69008992006-11-24 13:12:56 +0100433 unsigned long runtime;
Jens Axboe71619dc2007-01-13 23:56:33 +0100434 double io_u_dist[FIO_IO_U_MAP_NR];
Jens Axboe04a0fea2007-06-19 12:48:41 +0200435 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
436 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
Jens Axboe3c39a372006-06-06 20:56:12 +0200437
Jens Axboeb4c5e1a2007-10-25 18:44:45 +0200438 if (!(ts->io_bytes[0] + ts->io_bytes[1]) &&
439 !(ts->total_io_u[0] + ts->total_io_u[1]))
Jens Axboe3c39a372006-06-06 20:56:12 +0200440 return;
441
Jens Axboe5ec10ea2008-03-06 15:42:00 +0100442 if (!ts->error) {
443 log_info("%s: (groupid=%d, jobs=%d): err=%2d: pid=%d\n",
444 ts->name, ts->groupid, ts->members,
Jens Axboe5921e802008-05-30 15:02:38 +0200445 ts->error, (int) ts->pid);
Jens Axboe5ec10ea2008-03-06 15:42:00 +0100446 } else {
447 log_info("%s: (groupid=%d, jobs=%d): err=%2d (%s): pid=%d\n",
448 ts->name, ts->groupid, ts->members,
Jens Axboe5921e802008-05-30 15:02:38 +0200449 ts->error, ts->verror, (int) ts->pid);
Jens Axboe5ec10ea2008-03-06 15:42:00 +0100450 }
Jens Axboe3c39a372006-06-06 20:56:12 +0200451
Jens Axboe7bdce1b2007-03-06 20:01:13 +0100452 if (ts->description)
Jens Axboe6d861442007-03-15 09:22:23 +0100453 log_info(" Description : [%s]\n", ts->description);
Jens Axboe7bdce1b2007-03-06 20:01:13 +0100454
Jens Axboe756867b2007-03-06 15:19:24 +0100455 if (ts->io_bytes[DDIR_READ])
456 show_ddir_status(rs, ts, DDIR_READ);
457 if (ts->io_bytes[DDIR_WRITE])
458 show_ddir_status(rs, ts, DDIR_WRITE);
Jens Axboe3c39a372006-06-06 20:56:12 +0200459
Jens Axboe756867b2007-03-06 15:19:24 +0100460 runtime = ts->total_run_time;
Jens Axboe69008992006-11-24 13:12:56 +0100461 if (runtime) {
Jens Axboe1e97cce2006-12-05 11:44:16 +0100462 double runt = (double) runtime;
Jens Axboe3c39a372006-06-06 20:56:12 +0200463
Jens Axboe756867b2007-03-06 15:19:24 +0100464 usr_cpu = (double) ts->usr_time * 100 / runt;
465 sys_cpu = (double) ts->sys_time * 100 / runt;
Jens Axboe3c39a372006-06-06 20:56:12 +0200466 } else {
467 usr_cpu = 0;
468 sys_cpu = 0;
469 }
470
Jens Axboe5ec10ea2008-03-06 15:42:00 +0100471 log_info(" cpu : usr=%3.2f%%, sys=%3.2f%%, ctx=%lu, majf=%lu,"
472 " minf=%lu\n", usr_cpu, sys_cpu, ts->ctx, ts->majf, ts->minf);
Jens Axboe71619dc2007-01-13 23:56:33 +0100473
Jens Axboe838bc702008-05-22 13:08:23 +0200474 stat_calc_dist(ts->io_u_map, ts_total_io_u(ts), io_u_dist);
Jens Axboe5ec10ea2008-03-06 15:42:00 +0100475 log_info(" IO depths : 1=%3.1f%%, 2=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%,"
476 " 16=%3.1f%%, 32=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0],
477 io_u_dist[1], io_u_dist[2],
478 io_u_dist[3], io_u_dist[4],
479 io_u_dist[5], io_u_dist[6]);
Jens Axboe838bc702008-05-22 13:08:23 +0200480
481 stat_calc_dist(ts->io_u_submit, ts->total_submit, io_u_dist);
482 log_info(" submit : 0=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%, 16=%3.1f%%,"
483 " 32=%3.1f%%, 64=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0],
484 io_u_dist[1], io_u_dist[2],
485 io_u_dist[3], io_u_dist[4],
486 io_u_dist[5], io_u_dist[6]);
487 stat_calc_dist(ts->io_u_complete, ts->total_complete, io_u_dist);
488 log_info(" complete : 0=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%, 16=%3.1f%%,"
489 " 32=%3.1f%%, 64=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0],
490 io_u_dist[1], io_u_dist[2],
491 io_u_dist[3], io_u_dist[4],
492 io_u_dist[5], io_u_dist[6]);
Jens Axboe0d29de82010-09-01 13:54:15 +0200493 log_info(" issued r/w/d: total=%lu/%lu/%lu, short=%lu/%lu/%lu\n",
Jens Axboe5ec10ea2008-03-06 15:42:00 +0100494 ts->total_io_u[0], ts->total_io_u[1],
Jens Axboe0d29de82010-09-01 13:54:15 +0200495 ts->total_io_u[2],
496 ts->short_io_u[0], ts->short_io_u[1],
497 ts->short_io_u[2]);
Jens Axboe838bc702008-05-22 13:08:23 +0200498 stat_calc_lat_u(ts, io_u_lat_u);
499 stat_calc_lat_m(ts, io_u_lat_m);
Jens Axboe04a0fea2007-06-19 12:48:41 +0200500 show_latencies(io_u_lat_u, io_u_lat_m);
Radha Ramachandranf2bba182009-06-15 08:40:16 +0200501 if (ts->continue_on_error) {
Jens Axboe1ec99ee2009-06-15 12:37:30 +0200502 log_info(" errors : total=%lu, first_error=%d/<%s>\n",
503 ts->total_err_count,
504 ts->first_error,
505 strerror(ts->first_error));
Radha Ramachandranf2bba182009-06-15 08:40:16 +0200506 }
Jens Axboe3c39a372006-06-06 20:56:12 +0200507}
508
Jens Axboe756867b2007-03-06 15:19:24 +0100509static void show_ddir_status_terse(struct thread_stat *ts,
Jens Axboec6ae0a52006-06-12 11:04:44 +0200510 struct group_run_stats *rs, int ddir)
511{
512 unsigned long min, max;
513 unsigned long long bw;
514 double mean, dev;
515
Jens Axboeff58fce2010-08-25 12:02:08 +0200516 assert(ddir_rw(ddir));
517
Jens Axboec6ae0a52006-06-12 11:04:44 +0200518 bw = 0;
Jens Axboe756867b2007-03-06 15:19:24 +0100519 if (ts->runtime[ddir])
520 bw = ts->io_bytes[ddir] / ts->runtime[ddir];
Jens Axboec6ae0a52006-06-12 11:04:44 +0200521
Signed-off-by Steven Prattcda99fa2010-12-14 08:31:36 +0100522 log_info(";%llu;%llu;%llu", ts->io_bytes[ddir] >> 10, bw,
Jens Axboe5ec10ea2008-03-06 15:42:00 +0100523 ts->runtime[ddir]);
Jens Axboec6ae0a52006-06-12 11:04:44 +0200524
Jens Axboe079ad092007-02-20 13:58:20 +0100525 if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev))
Jens Axboe6d861442007-03-15 09:22:23 +0100526 log_info(";%lu;%lu;%f;%f", min, max, mean, dev);
Jens Axboec6ae0a52006-06-12 11:04:44 +0200527 else
Jens Axboe6d861442007-03-15 09:22:23 +0100528 log_info(";%lu;%lu;%f;%f", 0UL, 0UL, 0.0, 0.0);
Jens Axboec6ae0a52006-06-12 11:04:44 +0200529
Jens Axboe079ad092007-02-20 13:58:20 +0100530 if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev))
Jens Axboe6d861442007-03-15 09:22:23 +0100531 log_info(";%lu;%lu;%f;%f", min, max, mean, dev);
Jens Axboec6ae0a52006-06-12 11:04:44 +0200532 else
Jens Axboe6d861442007-03-15 09:22:23 +0100533 log_info(";%lu;%lu;%f;%f", 0UL, 0UL, 0.0, 0.0);
Jens Axboec6ae0a52006-06-12 11:04:44 +0200534
Jens Axboe02af0982010-06-24 09:59:34 +0200535 if (calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev))
536 log_info(";%lu;%lu;%f;%f", min, max, mean, dev);
537 else
538 log_info(";%lu;%lu;%f;%f", 0UL, 0UL, 0.0, 0.0);
539
Jens Axboe079ad092007-02-20 13:58:20 +0100540 if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) {
Jens Axboec6ae0a52006-06-12 11:04:44 +0200541 double p_of_agg;
542
543 p_of_agg = mean * 100 / (double) rs->agg[ddir];
Jens Axboe6d861442007-03-15 09:22:23 +0100544 log_info(";%lu;%lu;%f%%;%f;%f", min, max, p_of_agg, mean, dev);
Jens Axboec6ae0a52006-06-12 11:04:44 +0200545 } else
Jens Axboe6d861442007-03-15 09:22:23 +0100546 log_info(";%lu;%lu;%f%%;%f;%f", 0UL, 0UL, 0.0, 0.0, 0.0);
Jens Axboec6ae0a52006-06-12 11:04:44 +0200547}
548
Jens Axboe525c2bf2010-06-30 15:22:21 +0200549#define FIO_TERSE_VERSION "2"
Jens Axboec6ae0a52006-06-12 11:04:44 +0200550
Jens Axboe756867b2007-03-06 15:19:24 +0100551static void show_thread_status_terse(struct thread_stat *ts,
Jens Axboec6ae0a52006-06-12 11:04:44 +0200552 struct group_run_stats *rs)
553{
Jens Axboe22708902007-03-06 17:05:32 +0100554 double io_u_dist[FIO_IO_U_MAP_NR];
Jens Axboe04a0fea2007-06-19 12:48:41 +0200555 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
556 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
Jens Axboec6ae0a52006-06-12 11:04:44 +0200557 double usr_cpu, sys_cpu;
Jens Axboe04a0fea2007-06-19 12:48:41 +0200558 int i;
Jens Axboec6ae0a52006-06-12 11:04:44 +0200559
David Nellans562c2d22010-09-23 08:38:17 +0200560 /* General Info */
Jens Axboe525c2bf2010-06-30 15:22:21 +0200561 log_info("%s;%s;%d;%d", FIO_TERSE_VERSION, ts->name, ts->groupid,
562 ts->error);
David Nellans562c2d22010-09-23 08:38:17 +0200563 /* Log Read Status */
Jens Axboe756867b2007-03-06 15:19:24 +0100564 show_ddir_status_terse(ts, rs, 0);
David Nellans562c2d22010-09-23 08:38:17 +0200565 /* Log Write Status */
Jens Axboe756867b2007-03-06 15:19:24 +0100566 show_ddir_status_terse(ts, rs, 1);
Jens Axboec6ae0a52006-06-12 11:04:44 +0200567
David Nellans562c2d22010-09-23 08:38:17 +0200568 /* CPU Usage */
Jens Axboe756867b2007-03-06 15:19:24 +0100569 if (ts->total_run_time) {
570 double runt = (double) ts->total_run_time;
Jens Axboec6ae0a52006-06-12 11:04:44 +0200571
Jens Axboe756867b2007-03-06 15:19:24 +0100572 usr_cpu = (double) ts->usr_time * 100 / runt;
573 sys_cpu = (double) ts->sys_time * 100 / runt;
Jens Axboec6ae0a52006-06-12 11:04:44 +0200574 } else {
575 usr_cpu = 0;
576 sys_cpu = 0;
577 }
578
Jens Axboe5ec10ea2008-03-06 15:42:00 +0100579 log_info(";%f%%;%f%%;%lu;%lu;%lu", usr_cpu, sys_cpu, ts->ctx, ts->majf,
580 ts->minf);
Jens Axboe22708902007-03-06 17:05:32 +0100581
David Nellans562c2d22010-09-23 08:38:17 +0200582 /* Calc % distribution of IO depths, usecond, msecond latency */
Jens Axboe838bc702008-05-22 13:08:23 +0200583 stat_calc_dist(ts->io_u_map, ts_total_io_u(ts), io_u_dist);
Jens Axboe04a0fea2007-06-19 12:48:41 +0200584 stat_calc_lat_u(ts, io_u_lat_u);
585 stat_calc_lat_m(ts, io_u_lat_m);
Jens Axboe22708902007-03-06 17:05:32 +0100586
David Nellans562c2d22010-09-23 08:38:17 +0200587 /* Only show fixed 7 I/O depth levels*/
Jens Axboe5ec10ea2008-03-06 15:42:00 +0100588 log_info(";%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%",
589 io_u_dist[0], io_u_dist[1], io_u_dist[2], io_u_dist[3],
590 io_u_dist[4], io_u_dist[5], io_u_dist[6]);
Jens Axboe22708902007-03-06 17:05:32 +0100591
David Nellans562c2d22010-09-23 08:38:17 +0200592 /* Microsecond latency */
Jens Axboe04a0fea2007-06-19 12:48:41 +0200593 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++)
594 log_info(";%3.2f%%", io_u_lat_u[i]);
David Nellans562c2d22010-09-23 08:38:17 +0200595 /* Millisecond latency */
Jens Axboe04a0fea2007-06-19 12:48:41 +0200596 for (i = 0; i < FIO_IO_U_LAT_M_NR; i++)
597 log_info(";%3.2f%%", io_u_lat_m[i]);
David Nellans562c2d22010-09-23 08:38:17 +0200598 /* Additional output if continue_on_error set - default off*/
Radha Ramachandranf2bba182009-06-15 08:40:16 +0200599 if (ts->continue_on_error)
600 log_info(";%lu;%d", ts->total_err_count, ts->first_error);
Jens Axboe04a0fea2007-06-19 12:48:41 +0200601 log_info("\n");
Jens Axboe22708902007-03-06 17:05:32 +0100602
David Nellans562c2d22010-09-23 08:38:17 +0200603 /* Additional output if description is set */
Jens Axboe22708902007-03-06 17:05:32 +0100604 if (ts->description)
Jens Axboe6d861442007-03-15 09:22:23 +0100605 log_info(";%s", ts->description);
Jens Axboe22708902007-03-06 17:05:32 +0100606
Jens Axboe6d861442007-03-15 09:22:23 +0100607 log_info("\n");
Jens Axboe756867b2007-03-06 15:19:24 +0100608}
609
Jens Axboe197574e2007-03-08 15:35:11 +0100610static void sum_stat(struct io_stat *dst, struct io_stat *src, int nr)
Jens Axboe756867b2007-03-06 15:19:24 +0100611{
612 double mean, S;
613
Zheng Liue09231c2011-09-16 08:20:12 +0200614 if (src->samples == 0)
615 return;
616
Jens Axboe756867b2007-03-06 15:19:24 +0100617 dst->min_val = min(dst->min_val, src->min_val);
618 dst->max_val = max(dst->max_val, src->max_val);
Jens Axboe756867b2007-03-06 15:19:24 +0100619
620 /*
Yu-ju Hongcdcac5c2011-07-30 09:18:13 +0200621 * Compute new mean and S after the merge
622 * <http://en.wikipedia.org/wiki/Algorithms_for_calculating_variance
623 * #Parallel_algorithm>
Jens Axboe756867b2007-03-06 15:19:24 +0100624 */
625 if (nr == 1) {
Jens Axboe802ad4a2011-10-05 09:51:58 +0200626 mean = src->mean.u.f;
627 S = src->S.u.f;
Jens Axboe756867b2007-03-06 15:19:24 +0100628 } else {
Jens Axboe802ad4a2011-10-05 09:51:58 +0200629 double delta = src->mean.u.f - dst->mean.u.f;
Yu-ju Hongcdcac5c2011-07-30 09:18:13 +0200630
Jens Axboe802ad4a2011-10-05 09:51:58 +0200631 mean = ((src->mean.u.f * src->samples) +
632 (dst->mean.u.f * dst->samples)) /
Yu-ju Hongcdcac5c2011-07-30 09:18:13 +0200633 (dst->samples + src->samples);
634
Jens Axboe802ad4a2011-10-05 09:51:58 +0200635 S = src->S.u.f + dst->S.u.f + pow(delta, 2.0) *
Yu-ju Hongcdcac5c2011-07-30 09:18:13 +0200636 (dst->samples * src->samples) /
637 (dst->samples + src->samples);
Jens Axboe756867b2007-03-06 15:19:24 +0100638 }
639
Yu-ju Hongcdcac5c2011-07-30 09:18:13 +0200640 dst->samples += src->samples;
Jens Axboe802ad4a2011-10-05 09:51:58 +0200641 dst->mean.u.f = mean;
642 dst->S.u.f = S;
Jens Axboe756867b2007-03-06 15:19:24 +0100643}
644
Jens Axboe3c39a372006-06-06 20:56:12 +0200645void show_run_stats(void)
646{
647 struct group_run_stats *runstats, *rs;
648 struct thread_data *td;
Jens Axboe756867b2007-03-06 15:19:24 +0100649 struct thread_stat *threadstats, *ts;
Jens Axboe197574e2007-03-08 15:35:11 +0100650 int i, j, k, l, nr_ts, last_ts, idx;
Jens Axboe90fef2d2009-07-17 22:33:32 +0200651 int kb_base_warned = 0;
Jens Axboe3c39a372006-06-06 20:56:12 +0200652
653 runstats = malloc(sizeof(struct group_run_stats) * (groupid + 1));
654
655 for (i = 0; i < groupid + 1; i++) {
656 rs = &runstats[i];
657
658 memset(rs, 0, sizeof(*rs));
659 rs->min_bw[0] = rs->min_run[0] = ~0UL;
660 rs->min_bw[1] = rs->min_run[1] = ~0UL;
661 }
662
Jens Axboe756867b2007-03-06 15:19:24 +0100663 /*
664 * find out how many threads stats we need. if group reporting isn't
665 * enabled, it's one-per-td.
666 */
667 nr_ts = 0;
668 last_ts = -1;
Jens Axboe34572e22006-10-20 09:33:18 +0200669 for_each_td(td, i) {
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100670 if (!td->o.group_reporting) {
Jens Axboe756867b2007-03-06 15:19:24 +0100671 nr_ts++;
672 continue;
673 }
674 if (last_ts == td->groupid)
675 continue;
676
677 last_ts = td->groupid;
678 nr_ts++;
679 }
680
681 threadstats = malloc(nr_ts * sizeof(struct thread_stat));
682
683 for (i = 0; i < nr_ts; i++) {
684 ts = &threadstats[i];
685
686 memset(ts, 0, sizeof(*ts));
Jens Axboede64df02007-03-08 19:09:49 +0100687 for (j = 0; j <= DDIR_WRITE; j++) {
Jens Axboe02af0982010-06-24 09:59:34 +0200688 ts->lat_stat[j].min_val = -1UL;
Jens Axboe197574e2007-03-08 15:35:11 +0100689 ts->clat_stat[j].min_val = -1UL;
690 ts->slat_stat[j].min_val = -1UL;
691 ts->bw_stat[j].min_val = -1UL;
692 }
Jens Axboe7abd0e32007-03-12 15:24:43 +0100693 ts->groupid = -1;
Jens Axboe756867b2007-03-06 15:19:24 +0100694 }
695
696 j = 0;
697 last_ts = -1;
Jens Axboe197574e2007-03-08 15:35:11 +0100698 idx = 0;
Jens Axboe756867b2007-03-06 15:19:24 +0100699 for_each_td(td, i) {
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100700 if (idx && (!td->o.group_reporting ||
701 (td->o.group_reporting && last_ts != td->groupid))) {
Jens Axboe7abd0e32007-03-12 15:24:43 +0100702 idx = 0;
703 j++;
704 }
705
706 last_ts = td->groupid;
707
Jens Axboe756867b2007-03-06 15:19:24 +0100708 ts = &threadstats[j];
709
Yu-ju Hong83349192011-08-13 00:53:44 +0200710 ts->clat_percentiles = td->o.clat_percentiles;
711 if (td->o.overwrite_plist)
Jens Axboe802ad4a2011-10-05 09:51:58 +0200712 memcpy(ts->percentile_list, td->o.percentile_list, sizeof(td->o.percentile_list));
Yu-ju Hong83349192011-08-13 00:53:44 +0200713 else
Jens Axboe802ad4a2011-10-05 09:51:58 +0200714 memcpy(ts->percentile_list, def_percentile_list, sizeof(def_percentile_list));
Yu-ju Hong83349192011-08-13 00:53:44 +0200715
Jens Axboe197574e2007-03-08 15:35:11 +0100716 idx++;
Jens Axboe6586ee82007-03-06 19:46:09 +0100717 ts->members++;
Jens Axboe756867b2007-03-06 15:19:24 +0100718
Jens Axboe7abd0e32007-03-12 15:24:43 +0100719 if (ts->groupid == -1) {
Jens Axboe2dc84ba2007-03-06 15:46:33 +0100720 /*
721 * These are per-group shared already
722 */
Jens Axboef6bb5b82011-10-03 12:21:25 +0200723 strncpy(ts->name, td->o.name, FIO_JOBNAME_SIZE);
Jens Axboea64e88d2011-10-03 14:20:01 +0200724 if (td->o.description)
725 strncpy(ts->description, td->o.description,
726 FIO_JOBNAME_SIZE);
727 else
728 memset(ts->description, 0, FIO_JOBNAME_SIZE);
729
Jens Axboe756867b2007-03-06 15:19:24 +0100730 ts->groupid = td->groupid;
Jens Axboe2dc84ba2007-03-06 15:46:33 +0100731
732 /*
733 * first pid in group, not very useful...
734 */
Jens Axboe756867b2007-03-06 15:19:24 +0100735 ts->pid = td->pid;
Jens Axboe90fef2d2009-07-17 22:33:32 +0200736
737 ts->kb_base = td->o.kb_base;
738 } else if (ts->kb_base != td->o.kb_base && !kb_base_warned) {
739 log_info("fio: kb_base differs for jobs in group, using"
740 " %u as the base\n", ts->kb_base);
741 kb_base_warned = 1;
Jens Axboe2dc84ba2007-03-06 15:46:33 +0100742 }
743
Radha Ramachandranf2bba182009-06-15 08:40:16 +0200744 ts->continue_on_error = td->o.continue_on_error;
745 ts->total_err_count += td->total_err_count;
746 ts->first_error = td->first_error;
747 if (!ts->error) {
748 if (!td->error && td->o.continue_on_error &&
749 td->first_error) {
750 ts->error = td->first_error;
Jens Axboef6bb5b82011-10-03 12:21:25 +0200751 strcpy(ts->verror, td->verror);
Radha Ramachandranf2bba182009-06-15 08:40:16 +0200752 } else if (td->error) {
753 ts->error = td->error;
Jens Axboef6bb5b82011-10-03 12:21:25 +0200754 strcpy(ts->verror, td->verror);
Radha Ramachandranf2bba182009-06-15 08:40:16 +0200755 }
Jens Axboe756867b2007-03-06 15:19:24 +0100756 }
757
Jens Axboede64df02007-03-08 19:09:49 +0100758 for (l = 0; l <= DDIR_WRITE; l++) {
Jens Axboe197574e2007-03-08 15:35:11 +0100759 sum_stat(&ts->clat_stat[l], &td->ts.clat_stat[l], idx);
760 sum_stat(&ts->slat_stat[l], &td->ts.slat_stat[l], idx);
Jens Axboe02af0982010-06-24 09:59:34 +0200761 sum_stat(&ts->lat_stat[l], &td->ts.lat_stat[l], idx);
Jens Axboe197574e2007-03-08 15:35:11 +0100762 sum_stat(&ts->bw_stat[l], &td->ts.bw_stat[l], idx);
Jens Axboe756867b2007-03-06 15:19:24 +0100763
Jens Axboe197574e2007-03-08 15:35:11 +0100764 ts->io_bytes[l] += td->ts.io_bytes[l];
765
766 if (ts->runtime[l] < td->ts.runtime[l])
767 ts->runtime[l] = td->ts.runtime[l];
768 }
Jens Axboe756867b2007-03-06 15:19:24 +0100769
770 ts->usr_time += td->ts.usr_time;
771 ts->sys_time += td->ts.sys_time;
772 ts->ctx += td->ts.ctx;
Jens Axboee7823a92007-09-07 20:33:33 +0200773 ts->majf += td->ts.majf;
774 ts->minf += td->ts.minf;
Jens Axboe756867b2007-03-06 15:19:24 +0100775
776 for (k = 0; k < FIO_IO_U_MAP_NR; k++)
777 ts->io_u_map[k] += td->ts.io_u_map[k];
Jens Axboe838bc702008-05-22 13:08:23 +0200778 for (k = 0; k < FIO_IO_U_MAP_NR; k++)
779 ts->io_u_submit[k] += td->ts.io_u_submit[k];
780 for (k = 0; k < FIO_IO_U_MAP_NR; k++)
781 ts->io_u_complete[k] += td->ts.io_u_complete[k];
Jens Axboe04a0fea2007-06-19 12:48:41 +0200782 for (k = 0; k < FIO_IO_U_LAT_U_NR; k++)
783 ts->io_u_lat_u[k] += td->ts.io_u_lat_u[k];
784 for (k = 0; k < FIO_IO_U_LAT_M_NR; k++)
785 ts->io_u_lat_m[k] += td->ts.io_u_lat_m[k];
786
Jens Axboe756867b2007-03-06 15:19:24 +0100787
Jens Axboe0d29de82010-09-01 13:54:15 +0200788 for (k = 0; k <= 2; k++) {
Jens Axboeb3605062007-03-12 14:19:47 +0100789 ts->total_io_u[k] += td->ts.total_io_u[k];
Jens Axboe30061b92007-04-17 13:31:34 +0200790 ts->short_io_u[k] += td->ts.short_io_u[k];
Eric Gouriou0a7d7f92011-08-16 08:35:43 +0200791 }
Yu-ju Hong83349192011-08-13 00:53:44 +0200792
Eric Gouriou0a7d7f92011-08-16 08:35:43 +0200793 for (k = 0; k <= DDIR_WRITE; k++) {
794 int m;
Yu-ju Hong83349192011-08-13 00:53:44 +0200795 for (m = 0; m < FIO_IO_U_PLAT_NR; m++)
796 ts->io_u_plat[k][m] += td->ts.io_u_plat[k][m];
Jens Axboe30061b92007-04-17 13:31:34 +0200797 }
Jens Axboe756867b2007-03-06 15:19:24 +0100798
799 ts->total_run_time += td->ts.total_run_time;
Jens Axboe838bc702008-05-22 13:08:23 +0200800 ts->total_submit += td->ts.total_submit;
801 ts->total_complete += td->ts.total_complete;
Jens Axboe756867b2007-03-06 15:19:24 +0100802 }
803
804 for (i = 0; i < nr_ts; i++) {
Jens Axboe94370ac2007-03-08 15:28:10 +0100805 unsigned long long bw;
Jens Axboe3c39a372006-06-06 20:56:12 +0200806
Jens Axboe756867b2007-03-06 15:19:24 +0100807 ts = &threadstats[i];
808 rs = &runstats[ts->groupid];
Jens Axboe90fef2d2009-07-17 22:33:32 +0200809 rs->kb_base = ts->kb_base;
Jens Axboe3c39a372006-06-06 20:56:12 +0200810
Jens Axboede64df02007-03-08 19:09:49 +0100811 for (j = 0; j <= DDIR_WRITE; j++) {
Jens Axboe94370ac2007-03-08 15:28:10 +0100812 if (!ts->runtime[j])
813 continue;
814 if (ts->runtime[j] < rs->min_run[j] || !rs->min_run[j])
815 rs->min_run[j] = ts->runtime[j];
816 if (ts->runtime[j] > rs->max_run[j])
817 rs->max_run[j] = ts->runtime[j];
Jens Axboe3c39a372006-06-06 20:56:12 +0200818
Jens Axboe94370ac2007-03-08 15:28:10 +0100819 bw = 0;
Jens Axboe8879fd12009-04-20 10:06:02 +0200820 if (ts->runtime[j]) {
821 unsigned long runt;
822
Jens Axboe90fef2d2009-07-17 22:33:32 +0200823 runt = ts->runtime[j];
Jens Axboe8879fd12009-04-20 10:06:02 +0200824 bw = ts->io_bytes[j] / runt;
825 }
Jens Axboe94370ac2007-03-08 15:28:10 +0100826 if (bw < rs->min_bw[j])
827 rs->min_bw[j] = bw;
828 if (bw > rs->max_bw[j])
829 rs->max_bw[j] = bw;
Jens Axboe3c39a372006-06-06 20:56:12 +0200830
Jens Axboe90fef2d2009-07-17 22:33:32 +0200831 rs->io_kb[j] += ts->io_bytes[j] / rs->kb_base;
Jens Axboe94370ac2007-03-08 15:28:10 +0100832 }
Jens Axboe3c39a372006-06-06 20:56:12 +0200833 }
834
835 for (i = 0; i < groupid + 1; i++) {
Jens Axboe8879fd12009-04-20 10:06:02 +0200836 unsigned long max_run[2];
837
Jens Axboe3c39a372006-06-06 20:56:12 +0200838 rs = &runstats[i];
Jens Axboe90fef2d2009-07-17 22:33:32 +0200839 max_run[0] = rs->max_run[0];
840 max_run[1] = rs->max_run[1];
Jens Axboe3c39a372006-06-06 20:56:12 +0200841
842 if (rs->max_run[0])
Jens Axboe4cf1abc2010-06-25 14:33:37 +0200843 rs->agg[0] = (rs->io_kb[0] * 1000) / max_run[0];
Jens Axboe3c39a372006-06-06 20:56:12 +0200844 if (rs->max_run[1])
Jens Axboe4cf1abc2010-06-25 14:33:37 +0200845 rs->agg[1] = (rs->io_kb[1] * 1000) / max_run[1];
Jens Axboe3c39a372006-06-06 20:56:12 +0200846 }
847
848 /*
849 * don't overwrite last signal output
850 */
Jens Axboec6ae0a52006-06-12 11:04:44 +0200851 if (!terse_output)
Jens Axboe4ceb30d2010-02-24 09:19:14 +0100852 log_info("\n");
Jens Axboe3c39a372006-06-06 20:56:12 +0200853
Jens Axboe756867b2007-03-06 15:19:24 +0100854 for (i = 0; i < nr_ts; i++) {
855 ts = &threadstats[i];
856 rs = &runstats[ts->groupid];
Jens Axboe3c39a372006-06-06 20:56:12 +0200857
Jens Axboea64e88d2011-10-03 14:20:01 +0200858 if (is_backend)
859 fio_server_send_ts(ts, rs);
860 else if (terse_output)
Jens Axboe756867b2007-03-06 15:19:24 +0100861 show_thread_status_terse(ts, rs);
Jens Axboec6ae0a52006-06-12 11:04:44 +0200862 else
Jens Axboe756867b2007-03-06 15:19:24 +0100863 show_thread_status(ts, rs);
Jens Axboe3c39a372006-06-06 20:56:12 +0200864 }
865
Jens Axboec6ae0a52006-06-12 11:04:44 +0200866 if (!terse_output) {
Jens Axboea64e88d2011-10-03 14:20:01 +0200867 for (i = 0; i < groupid + 1; i++) {
868 rs = &runstats[i];
869
870 rs->groupid = i;
871 if (is_backend)
872 fio_server_send_gs(rs);
873 else
874 show_group_stats(rs);
875 }
Jens Axboe3c39a372006-06-06 20:56:12 +0200876
Jens Axboec6ae0a52006-06-12 11:04:44 +0200877 show_disk_util();
878 }
Jens Axboeeecf2722006-10-20 14:00:36 +0200879
880 free(runstats);
Jens Axboe756867b2007-03-06 15:19:24 +0100881 free(threadstats);
Jens Axboe3c39a372006-06-06 20:56:12 +0200882}
883
Jens Axboe68704082007-01-10 19:56:37 +0100884static inline void add_stat_sample(struct io_stat *is, unsigned long data)
Jens Axboe3c39a372006-06-06 20:56:12 +0200885{
Jens Axboe68704082007-01-10 19:56:37 +0100886 double val = data;
Jens Axboe6660cc62007-03-06 15:48:38 +0100887 double delta;
Jens Axboe3c39a372006-06-06 20:56:12 +0200888
Jens Axboe68704082007-01-10 19:56:37 +0100889 if (data > is->max_val)
890 is->max_val = data;
891 if (data < is->min_val)
892 is->min_val = data;
893
Jens Axboe802ad4a2011-10-05 09:51:58 +0200894 delta = val - is->mean.u.f;
Jens Axboeef11d732007-03-29 15:36:29 +0200895 if (delta) {
Jens Axboe802ad4a2011-10-05 09:51:58 +0200896 is->mean.u.f += delta / (is->samples + 1.0);
897 is->S.u.f += delta * (val - is->mean.u.f);
Jens Axboeef11d732007-03-29 15:36:29 +0200898 }
Jens Axboe68704082007-01-10 19:56:37 +0100899
Jens Axboe3c39a372006-06-06 20:56:12 +0200900 is->samples++;
901}
902
Jens Axboebb3884d2007-01-17 17:23:11 +1100903static void __add_log_sample(struct io_log *iolog, unsigned long val,
Jens Axboe306ddc92009-05-18 13:08:12 +0200904 enum fio_ddir ddir, unsigned int bs,
Jens Axboe2b13e712011-01-19 14:04:16 -0700905 unsigned long t)
Jens Axboe3c39a372006-06-06 20:56:12 +0200906{
Jens Axboe306ddc92009-05-18 13:08:12 +0200907 const int nr_samples = iolog->nr_samples;
908
Jens Axboe3c39a372006-06-06 20:56:12 +0200909 if (iolog->nr_samples == iolog->max_samples) {
910 int new_size = sizeof(struct io_sample) * iolog->max_samples*2;
911
912 iolog->log = realloc(iolog->log, new_size);
913 iolog->max_samples <<= 1;
914 }
915
Jens Axboe306ddc92009-05-18 13:08:12 +0200916 iolog->log[nr_samples].val = val;
Jens Axboe2b13e712011-01-19 14:04:16 -0700917 iolog->log[nr_samples].time = t;
Jens Axboe306ddc92009-05-18 13:08:12 +0200918 iolog->log[nr_samples].ddir = ddir;
919 iolog->log[nr_samples].bs = bs;
Jens Axboe3c39a372006-06-06 20:56:12 +0200920 iolog->nr_samples++;
921}
922
Jens Axboebb3884d2007-01-17 17:23:11 +1100923static void add_log_sample(struct thread_data *td, struct io_log *iolog,
Jens Axboe306ddc92009-05-18 13:08:12 +0200924 unsigned long val, enum fio_ddir ddir,
925 unsigned int bs)
Jens Axboebb3884d2007-01-17 17:23:11 +1100926{
Jens Axboeff58fce2010-08-25 12:02:08 +0200927 if (!ddir_rw(ddir))
928 return;
929
Jens Axboe306ddc92009-05-18 13:08:12 +0200930 __add_log_sample(iolog, val, ddir, bs, mtime_since_now(&td->epoch));
Jens Axboebb3884d2007-01-17 17:23:11 +1100931}
932
Jens Axboe306ddc92009-05-18 13:08:12 +0200933void add_agg_sample(unsigned long val, enum fio_ddir ddir, unsigned int bs)
Jens Axboebb3884d2007-01-17 17:23:11 +1100934{
Jens Axboeff58fce2010-08-25 12:02:08 +0200935 struct io_log *iolog;
Jens Axboebb3884d2007-01-17 17:23:11 +1100936
Jens Axboeff58fce2010-08-25 12:02:08 +0200937 if (!ddir_rw(ddir))
938 return;
939
940 iolog = agg_io_log[ddir];
Jens Axboe306ddc92009-05-18 13:08:12 +0200941 __add_log_sample(iolog, val, ddir, bs, mtime_since_genesis());
Jens Axboebb3884d2007-01-17 17:23:11 +1100942}
943
Yu-ju Hong83349192011-08-13 00:53:44 +0200944static void add_clat_percentile_sample(struct thread_stat *ts,
945 unsigned long usec, enum fio_ddir ddir)
946{
947 unsigned int idx = plat_val_to_idx(usec);
948 assert(idx < FIO_IO_U_PLAT_NR);
949
950 ts->io_u_plat[ddir][idx]++;
951}
952
Jens Axboe1e97cce2006-12-05 11:44:16 +0100953void add_clat_sample(struct thread_data *td, enum fio_ddir ddir,
Jens Axboe306ddc92009-05-18 13:08:12 +0200954 unsigned long usec, unsigned int bs)
Jens Axboe3c39a372006-06-06 20:56:12 +0200955{
Jens Axboe756867b2007-03-06 15:19:24 +0100956 struct thread_stat *ts = &td->ts;
Jens Axboe3c39a372006-06-06 20:56:12 +0200957
Jens Axboeff58fce2010-08-25 12:02:08 +0200958 if (!ddir_rw(ddir))
959 return;
960
Jens Axboed85f5112007-06-18 09:41:23 +0200961 add_stat_sample(&ts->clat_stat[ddir], usec);
Jens Axboe079ad092007-02-20 13:58:20 +0100962
Jens Axboe7b9f7332011-10-03 10:06:44 +0200963 if (td->clat_log)
964 add_log_sample(td, td->clat_log, usec, ddir, bs);
Yu-ju Hong83349192011-08-13 00:53:44 +0200965
966 if (ts->clat_percentiles)
967 add_clat_percentile_sample(ts, usec, ddir);
Jens Axboe3c39a372006-06-06 20:56:12 +0200968}
969
Jens Axboe1e97cce2006-12-05 11:44:16 +0100970void add_slat_sample(struct thread_data *td, enum fio_ddir ddir,
Jens Axboe306ddc92009-05-18 13:08:12 +0200971 unsigned long usec, unsigned int bs)
Jens Axboe3c39a372006-06-06 20:56:12 +0200972{
Jens Axboe756867b2007-03-06 15:19:24 +0100973 struct thread_stat *ts = &td->ts;
Jens Axboe3c39a372006-06-06 20:56:12 +0200974
Jens Axboeff58fce2010-08-25 12:02:08 +0200975 if (!ddir_rw(ddir))
976 return;
977
Jens Axboed85f5112007-06-18 09:41:23 +0200978 add_stat_sample(&ts->slat_stat[ddir], usec);
Jens Axboe079ad092007-02-20 13:58:20 +0100979
Jens Axboe7b9f7332011-10-03 10:06:44 +0200980 if (td->slat_log)
981 add_log_sample(td, td->slat_log, usec, ddir, bs);
Jens Axboe3c39a372006-06-06 20:56:12 +0200982}
983
Jens Axboe02af0982010-06-24 09:59:34 +0200984void add_lat_sample(struct thread_data *td, enum fio_ddir ddir,
985 unsigned long usec, unsigned int bs)
986{
987 struct thread_stat *ts = &td->ts;
988
Jens Axboeff58fce2010-08-25 12:02:08 +0200989 if (!ddir_rw(ddir))
990 return;
991
Jens Axboe02af0982010-06-24 09:59:34 +0200992 add_stat_sample(&ts->lat_stat[ddir], usec);
993
Jens Axboe7b9f7332011-10-03 10:06:44 +0200994 if (td->lat_log)
995 add_log_sample(td, td->lat_log, usec, ddir, bs);
Jens Axboe02af0982010-06-24 09:59:34 +0200996}
997
Jens Axboe306ddc92009-05-18 13:08:12 +0200998void add_bw_sample(struct thread_data *td, enum fio_ddir ddir, unsigned int bs,
Jens Axboe1e97cce2006-12-05 11:44:16 +0100999 struct timeval *t)
Jens Axboe3c39a372006-06-06 20:56:12 +02001000{
Jens Axboe756867b2007-03-06 15:19:24 +01001001 struct thread_stat *ts = &td->ts;
Jens Axboeff58fce2010-08-25 12:02:08 +02001002 unsigned long spent, rate;
Jens Axboe3c39a372006-06-06 20:56:12 +02001003
Jens Axboeff58fce2010-08-25 12:02:08 +02001004 if (!ddir_rw(ddir))
1005 return;
1006
Jens Axboec8eeb9d2011-10-05 14:02:22 +02001007 spent = mtime_since(&td->bw_sample_time, t);
Jens Axboe2dc1bbe2007-03-15 15:01:33 +01001008 if (spent < td->o.bw_avg_time)
Jens Axboe3c39a372006-06-06 20:56:12 +02001009 return;
1010
Jens Axboef0505a12011-10-03 12:12:03 +02001011 rate = (td->this_io_bytes[ddir] - td->stat_io_bytes[ddir]) *
Jens Axboe0b9d69e2009-09-11 22:29:54 +02001012 1000 / spent / 1024;
Jens Axboe079ad092007-02-20 13:58:20 +01001013 add_stat_sample(&ts->bw_stat[ddir], rate);
Jens Axboe3c39a372006-06-06 20:56:12 +02001014
Jens Axboe7b9f7332011-10-03 10:06:44 +02001015 if (td->bw_log)
1016 add_log_sample(td, td->bw_log, rate, ddir, bs);
Jens Axboe3c39a372006-06-06 20:56:12 +02001017
Jens Axboec8eeb9d2011-10-05 14:02:22 +02001018 fio_gettime(&td->bw_sample_time, NULL);
Jens Axboef0505a12011-10-03 12:12:03 +02001019 td->stat_io_bytes[ddir] = td->this_io_bytes[ddir];
Jens Axboe3c39a372006-06-06 20:56:12 +02001020}
Jens Axboec8eeb9d2011-10-05 14:02:22 +02001021
1022void add_iops_sample(struct thread_data *td, enum fio_ddir ddir,
1023 struct timeval *t)
1024{
1025 struct thread_stat *ts = &td->ts;
1026 unsigned long spent, iops;
1027
1028 if (!ddir_rw(ddir))
1029 return;
1030
1031 spent = mtime_since(&td->iops_sample_time, t);
1032 if (spent < td->o.iops_avg_time)
1033 return;
1034
1035 iops = ((td->this_io_blocks[ddir] - td->stat_io_blocks[ddir]) * 1000) / spent;
1036
1037 add_stat_sample(&ts->iops_stat[ddir], iops);
1038
1039 if (td->iops_log) {
1040 assert(iops);
1041 add_log_sample(td, td->iops_log, iops, ddir, 0);
1042 }
1043
1044 fio_gettime(&td->iops_sample_time, NULL);
1045 td->stat_io_blocks[ddir] = td->this_io_blocks[ddir];
1046}