blob: 9d816d4f18a07f35ecdd9fef8105403b5714dcda [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 Axboec7c6cb42011-10-13 14:12:40 +020012#include "lib/ieee754.h"
Shaohua Licc372b12012-09-17 09:12:18 +020013#include "json.h"
Jens Axboe44404c52013-01-24 14:20:09 -070014#include "lib/getrusage.h"
Huadong Liuf2a2ce02013-01-30 13:22:24 +010015#include "idletime.h"
Jens Axboe3c39a372006-06-06 20:56:12 +020016
Vasily Tarasovc38e38f2014-11-09 20:22:24 -070017struct fio_mutex *stat_mutex;
Jens Axboecef91752013-04-26 17:05:57 -060018
Jens Axboe3c39a372006-06-06 20:56:12 +020019void update_rusage_stat(struct thread_data *td)
20{
Jens Axboe756867b2007-03-06 15:19:24 +010021 struct thread_stat *ts = &td->ts;
Jens Axboe3c39a372006-06-06 20:56:12 +020022
Jens Axboe44404c52013-01-24 14:20:09 -070023 fio_getrusage(&td->ru_end);
Jens Axboec8aaba12011-10-03 12:14:19 +020024 ts->usr_time += mtime_since(&td->ru_start.ru_utime,
25 &td->ru_end.ru_utime);
26 ts->sys_time += mtime_since(&td->ru_start.ru_stime,
27 &td->ru_end.ru_stime);
28 ts->ctx += td->ru_end.ru_nvcsw + td->ru_end.ru_nivcsw
29 - (td->ru_start.ru_nvcsw + td->ru_start.ru_nivcsw);
30 ts->minf += td->ru_end.ru_minflt - td->ru_start.ru_minflt;
31 ts->majf += td->ru_end.ru_majflt - td->ru_start.ru_majflt;
Jens Axboe5ec10ea2008-03-06 15:42:00 +010032
Jens Axboec8aaba12011-10-03 12:14:19 +020033 memcpy(&td->ru_start, &td->ru_end, sizeof(td->ru_end));
Jens Axboe3c39a372006-06-06 20:56:12 +020034}
35
Yu-ju Hong83349192011-08-13 00:53:44 +020036/*
37 * Given a latency, return the index of the corresponding bucket in
38 * the structure tracking percentiles.
39 *
40 * (1) find the group (and error bits) that the value (latency)
41 * belongs to by looking at its MSB. (2) find the bucket number in the
42 * group by looking at the index bits.
43 *
44 */
45static unsigned int plat_val_to_idx(unsigned int val)
46{
47 unsigned int msb, error_bits, base, offset, idx;
48
49 /* Find MSB starting from bit 0 */
50 if (val == 0)
51 msb = 0;
52 else
53 msb = (sizeof(val)*8) - __builtin_clz(val) - 1;
54
Jens Axboe716050f2011-08-16 08:43:45 +020055 /*
56 * MSB <= (FIO_IO_U_PLAT_BITS-1), cannot be rounded off. Use
57 * all bits of the sample as index
58 */
Yu-ju Hong83349192011-08-13 00:53:44 +020059 if (msb <= FIO_IO_U_PLAT_BITS)
60 return val;
61
62 /* Compute the number of error bits to discard*/
63 error_bits = msb - FIO_IO_U_PLAT_BITS;
64
65 /* Compute the number of buckets before the group */
66 base = (error_bits + 1) << FIO_IO_U_PLAT_BITS;
67
Jens Axboe716050f2011-08-16 08:43:45 +020068 /*
69 * Discard the error bits and apply the mask to find the
Jens Axboe3c3ed072012-03-27 09:12:39 +020070 * index for the buckets in the group
Jens Axboe716050f2011-08-16 08:43:45 +020071 */
Yu-ju Hong83349192011-08-13 00:53:44 +020072 offset = (FIO_IO_U_PLAT_VAL - 1) & (val >> error_bits);
73
74 /* Make sure the index does not exceed (array size - 1) */
Jens Axboe3c3ed072012-03-27 09:12:39 +020075 idx = (base + offset) < (FIO_IO_U_PLAT_NR - 1) ?
Yu-ju Hong83349192011-08-13 00:53:44 +020076 (base + offset) : (FIO_IO_U_PLAT_NR - 1);
77
78 return idx;
79}
80
81/*
82 * Convert the given index of the bucket array to the value
83 * represented by the bucket
84 */
85static unsigned int plat_idx_to_val(unsigned int idx)
86{
87 unsigned int error_bits, k, base;
88
89 assert(idx < FIO_IO_U_PLAT_NR);
90
91 /* MSB <= (FIO_IO_U_PLAT_BITS-1), cannot be rounded off. Use
92 * all bits of the sample as index */
Jens Axboe3c3ed072012-03-27 09:12:39 +020093 if (idx < (FIO_IO_U_PLAT_VAL << 1))
Yu-ju Hong83349192011-08-13 00:53:44 +020094 return idx;
95
96 /* Find the group and compute the minimum value of that group */
Jens Axboe3c3ed072012-03-27 09:12:39 +020097 error_bits = (idx >> FIO_IO_U_PLAT_BITS) - 1;
Yu-ju Hong83349192011-08-13 00:53:44 +020098 base = 1 << (error_bits + FIO_IO_U_PLAT_BITS);
99
100 /* Find its bucket number of the group */
101 k = idx % FIO_IO_U_PLAT_VAL;
102
103 /* Return the mean of the range of the bucket */
104 return base + ((k + 0.5) * (1 << error_bits));
105}
106
107static int double_cmp(const void *a, const void *b)
108{
Jens Axboe802ad4a2011-10-05 09:51:58 +0200109 const fio_fp64_t fa = *(const fio_fp64_t *) a;
110 const fio_fp64_t fb = *(const fio_fp64_t *) b;
Yu-ju Hong83349192011-08-13 00:53:44 +0200111 int cmp = 0;
112
Jens Axboe802ad4a2011-10-05 09:51:58 +0200113 if (fa.u.f > fb.u.f)
Yu-ju Hong83349192011-08-13 00:53:44 +0200114 cmp = 1;
Jens Axboe802ad4a2011-10-05 09:51:58 +0200115 else if (fa.u.f < fb.u.f)
Yu-ju Hong83349192011-08-13 00:53:44 +0200116 cmp = -1;
117
118 return cmp;
119}
120
Jens Axboea2697902012-03-05 16:43:49 +0100121unsigned int calc_clat_percentiles(unsigned int *io_u_plat, unsigned long nr,
122 fio_fp64_t *plist, unsigned int **output,
123 unsigned int *maxv, unsigned int *minv)
Yu-ju Hong83349192011-08-13 00:53:44 +0200124{
125 unsigned long sum = 0;
Jens Axboe1db92cb2011-10-13 13:43:36 +0200126 unsigned int len, i, j = 0;
127 unsigned int oval_len = 0;
128 unsigned int *ovals = NULL;
129 int is_last;
130
131 *minv = -1U;
132 *maxv = 0;
Yu-ju Hong83349192011-08-13 00:53:44 +0200133
Jens Axboe802ad4a2011-10-05 09:51:58 +0200134 len = 0;
135 while (len < FIO_IO_U_LIST_MAX_LEN && plist[len].u.f != 0.0)
136 len++;
Jens Axboe716050f2011-08-16 08:43:45 +0200137
Jens Axboe351de8d2011-10-12 21:03:45 +0200138 if (!len)
Jens Axboe1db92cb2011-10-13 13:43:36 +0200139 return 0;
Jens Axboe351de8d2011-10-12 21:03:45 +0200140
Jens Axboe716050f2011-08-16 08:43:45 +0200141 /*
Jens Axboe802ad4a2011-10-05 09:51:58 +0200142 * Sort the percentile list. Note that it may already be sorted if
143 * we are using the default values, but since it's a short list this
144 * isn't a worry. Also note that this does not work for NaN values.
Jens Axboe716050f2011-08-16 08:43:45 +0200145 */
Jens Axboe802ad4a2011-10-05 09:51:58 +0200146 if (len > 1)
Jens Axboe3c3ed072012-03-27 09:12:39 +0200147 qsort((void *)plist, len, sizeof(plist[0]), double_cmp);
Yu-ju Hong83349192011-08-13 00:53:44 +0200148
Jens Axboe4f6f8292011-10-13 09:28:21 +0200149 /*
150 * Calculate bucket values, note down max and min values
151 */
Jens Axboe07511a62011-10-13 12:00:24 +0200152 is_last = 0;
153 for (i = 0; i < FIO_IO_U_PLAT_NR && !is_last; i++) {
Yu-ju Hong83349192011-08-13 00:53:44 +0200154 sum += io_u_plat[i];
Jens Axboe802ad4a2011-10-05 09:51:58 +0200155 while (sum >= (plist[j].u.f / 100.0 * nr)) {
156 assert(plist[j].u.f <= 100.0);
Yu-ju Hong83349192011-08-13 00:53:44 +0200157
Jens Axboe4f6f8292011-10-13 09:28:21 +0200158 if (j == oval_len) {
159 oval_len += 100;
160 ovals = realloc(ovals, oval_len * sizeof(unsigned int));
161 }
Yu-ju Hong83349192011-08-13 00:53:44 +0200162
Jens Axboe4f6f8292011-10-13 09:28:21 +0200163 ovals[j] = plat_idx_to_val(i);
Jens Axboe1db92cb2011-10-13 13:43:36 +0200164 if (ovals[j] < *minv)
165 *minv = ovals[j];
166 if (ovals[j] > *maxv)
167 *maxv = ovals[j];
Jens Axboe07511a62011-10-13 12:00:24 +0200168
169 is_last = (j == len - 1);
170 if (is_last)
171 break;
172
Jens Axboe4f6f8292011-10-13 09:28:21 +0200173 j++;
Yu-ju Hong83349192011-08-13 00:53:44 +0200174 }
175 }
Jens Axboe4f6f8292011-10-13 09:28:21 +0200176
Jens Axboe1db92cb2011-10-13 13:43:36 +0200177 *output = ovals;
178 return len;
179}
180
181/*
182 * Find and display the p-th percentile of clat
183 */
184static void show_clat_percentiles(unsigned int *io_u_plat, unsigned long nr,
Jens Axboe3dc1e5b2013-02-07 12:56:09 +0100185 fio_fp64_t *plist, unsigned int precision)
Jens Axboe1db92cb2011-10-13 13:43:36 +0200186{
187 unsigned int len, j = 0, minv, maxv;
188 unsigned int *ovals;
Jens Axboeeef02442013-02-06 08:51:57 +0100189 int is_last, per_line, scale_down;
190 char fmt[32];
Jens Axboe1db92cb2011-10-13 13:43:36 +0200191
192 len = calc_clat_percentiles(io_u_plat, nr, plist, &ovals, &maxv, &minv);
193 if (!len)
194 goto out;
195
Jens Axboe4f6f8292011-10-13 09:28:21 +0200196 /*
197 * We default to usecs, but if the value range is such that we
198 * should scale down to msecs, do that.
199 */
200 if (minv > 2000 && maxv > 99999) {
201 scale_down = 1;
202 log_info(" clat percentiles (msec):\n |");
203 } else {
204 scale_down = 0;
205 log_info(" clat percentiles (usec):\n |");
206 }
207
Jens Axboe3dc1e5b2013-02-07 12:56:09 +0100208 snprintf(fmt, sizeof(fmt), "%%1.%uf", precision);
Jens Axboeeef02442013-02-06 08:51:57 +0100209 per_line = (80 - 7) / (precision + 14);
Jens Axboe619adf92013-02-06 08:46:55 +0100210
Jens Axboe4f6f8292011-10-13 09:28:21 +0200211 for (j = 0; j < len; j++) {
Jens Axboe619adf92013-02-06 08:46:55 +0100212 char fbuf[16], *ptr = fbuf;
Jens Axboe4f6f8292011-10-13 09:28:21 +0200213
214 /* for formatting */
Jens Axboeeef02442013-02-06 08:51:57 +0100215 if (j != 0 && (j % per_line) == 0)
Jens Axboe4f6f8292011-10-13 09:28:21 +0200216 log_info(" |");
217
218 /* end of the list */
219 is_last = (j == len - 1);
220
221 if (plist[j].u.f < 10.0)
Jens Axboe619adf92013-02-06 08:46:55 +0100222 ptr += sprintf(fbuf, " ");
223
Jens Axboeeef02442013-02-06 08:51:57 +0100224 snprintf(ptr, sizeof(fbuf), fmt, plist[j].u.f);
Jens Axboe4f6f8292011-10-13 09:28:21 +0200225
226 if (scale_down)
227 ovals[j] = (ovals[j] + 999) / 1000;
228
229 log_info(" %sth=[%5u]%c", fbuf, ovals[j], is_last ? '\n' : ',');
230
231 if (is_last)
232 break;
233
Jens Axboeeef02442013-02-06 08:51:57 +0100234 if ((j % per_line) == per_line - 1) /* for formatting */
Jens Axboe4f6f8292011-10-13 09:28:21 +0200235 log_info("\n");
236 }
237
Jens Axboe1db92cb2011-10-13 13:43:36 +0200238out:
Jens Axboe4f6f8292011-10-13 09:28:21 +0200239 if (ovals)
240 free(ovals);
Yu-ju Hong83349192011-08-13 00:53:44 +0200241}
242
Jens Axboeb29ad562012-03-05 13:08:51 +0100243int calc_lat(struct io_stat *is, unsigned long *min, unsigned long *max,
244 double *mean, double *dev)
Jens Axboe3c39a372006-06-06 20:56:12 +0200245{
Erwan Veluee0ccb72013-07-22 23:39:18 +0200246 double n = (double) is->samples;
Jens Axboe3c39a372006-06-06 20:56:12 +0200247
Erwan Veluee0ccb72013-07-22 23:39:18 +0200248 if (n == 0)
Jens Axboe3c39a372006-06-06 20:56:12 +0200249 return 0;
250
251 *min = is->min_val;
252 *max = is->max_val;
Jens Axboe802ad4a2011-10-05 09:51:58 +0200253 *mean = is->mean.u.f;
Jens Axboe3c39a372006-06-06 20:56:12 +0200254
Jens Axboe68704082007-01-10 19:56:37 +0100255 if (n > 1.0)
Jens Axboe802ad4a2011-10-05 09:51:58 +0200256 *dev = sqrt(is->S.u.f / (n - 1.0));
Jens Axboeef9c5c42007-01-03 14:21:13 +0100257 else
Jens Axboe4b43f542007-07-19 21:38:35 +0200258 *dev = 0;
Jens Axboeef9c5c42007-01-03 14:21:13 +0100259
Jens Axboe3c39a372006-06-06 20:56:12 +0200260 return 1;
261}
262
Jens Axboea64e88d2011-10-03 14:20:01 +0200263void show_group_stats(struct group_run_stats *rs)
Jens Axboe3c39a372006-06-06 20:56:12 +0200264{
Jens Axboedbe11252007-02-11 00:19:51 +0100265 char *p1, *p2, *p3, *p4;
Jens Axboe4d6922b2014-11-12 11:11:20 -0700266 const char *str[] = { " READ", " WRITE" , " TRIM"};
Jens Axboedbe11252007-02-11 00:19:51 +0100267 int i;
268
Jens Axboe7e1773b2011-10-14 12:47:56 +0200269 log_info("\nRun status group %d (all jobs):\n", rs->groupid);
Jens Axboe3c39a372006-06-06 20:56:12 +0200270
Shaohua Li6eaf09d2012-09-14 08:49:43 +0200271 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
Jens Axboe90fef2d2009-07-17 22:33:32 +0200272 const int i2p = is_power_of_2(rs->kb_base);
273
Jens Axboedbe11252007-02-11 00:19:51 +0100274 if (!rs->max_run[i])
275 continue;
276
Steven Noonan73798eb2013-04-05 16:57:38 -0700277 p1 = num2str(rs->io_kb[i], 6, rs->kb_base, i2p, 8);
Steven Noonanad705bc2013-04-08 15:05:25 -0700278 p2 = num2str(rs->agg[i], 6, rs->kb_base, i2p, rs->unit_base);
279 p3 = num2str(rs->min_bw[i], 6, rs->kb_base, i2p, rs->unit_base);
280 p4 = num2str(rs->max_bw[i], 6, rs->kb_base, i2p, rs->unit_base);
Jens Axboedbe11252007-02-11 00:19:51 +0100281
Steven Noonan73798eb2013-04-05 16:57:38 -0700282 log_info("%s: io=%s, aggrb=%s/s, minb=%s/s, maxb=%s/s,"
Jens Axboe771e58b2013-01-30 12:56:23 +0100283 " mint=%llumsec, maxt=%llumsec\n",
Jens Axboe4d6922b2014-11-12 11:11:20 -0700284 rs->unified_rw_rep ? " MIXED" : str[i],
Jens Axboe4e0a8fa2013-04-15 11:40:57 +0200285 p1, p2, p3, p4,
286 (unsigned long long) rs->min_run[i],
287 (unsigned long long) rs->max_run[i]);
Jens Axboedbe11252007-02-11 00:19:51 +0100288
289 free(p1);
290 free(p2);
291 free(p3);
292 free(p4);
293 }
Jens Axboe3c39a372006-06-06 20:56:12 +0200294}
295
Jens Axboe2e331012012-03-05 22:07:54 +0100296void stat_calc_dist(unsigned int *map, unsigned long total, double *io_u_dist)
Jens Axboe22708902007-03-06 17:05:32 +0100297{
298 int i;
299
300 /*
301 * Do depth distribution calculations
302 */
303 for (i = 0; i < FIO_IO_U_MAP_NR; i++) {
Jens Axboe838bc702008-05-22 13:08:23 +0200304 if (total) {
305 io_u_dist[i] = (double) map[i] / (double) total;
306 io_u_dist[i] *= 100.0;
307 if (io_u_dist[i] < 0.1 && map[i])
308 io_u_dist[i] = 0.1;
309 } else
310 io_u_dist[i] = 0.0;
Jens Axboe22708902007-03-06 17:05:32 +0100311 }
312}
313
Jens Axboe04a0fea2007-06-19 12:48:41 +0200314static void stat_calc_lat(struct thread_stat *ts, double *dst,
315 unsigned int *src, int nr)
Jens Axboe22708902007-03-06 17:05:32 +0100316{
Jens Axboed79db122012-09-24 08:51:24 +0200317 unsigned long total = ddir_rw_sum(ts->total_io_u);
Jens Axboe22708902007-03-06 17:05:32 +0100318 int i;
319
320 /*
321 * Do latency distribution calculations
322 */
Jens Axboe04a0fea2007-06-19 12:48:41 +0200323 for (i = 0; i < nr; i++) {
Jens Axboe838bc702008-05-22 13:08:23 +0200324 if (total) {
325 dst[i] = (double) src[i] / (double) total;
326 dst[i] *= 100.0;
327 if (dst[i] < 0.01 && src[i])
328 dst[i] = 0.01;
329 } else
330 dst[i] = 0.0;
Jens Axboe22708902007-03-06 17:05:32 +0100331 }
332}
333
Jens Axboee5bd1342012-03-05 21:38:12 +0100334void stat_calc_lat_u(struct thread_stat *ts, double *io_u_lat)
Jens Axboe04a0fea2007-06-19 12:48:41 +0200335{
336 stat_calc_lat(ts, io_u_lat, ts->io_u_lat_u, FIO_IO_U_LAT_U_NR);
337}
338
Jens Axboee5bd1342012-03-05 21:38:12 +0100339void stat_calc_lat_m(struct thread_stat *ts, double *io_u_lat)
Jens Axboe04a0fea2007-06-19 12:48:41 +0200340{
341 stat_calc_lat(ts, io_u_lat, ts->io_u_lat_m, FIO_IO_U_LAT_M_NR);
342}
343
Jens Axboeb29ad562012-03-05 13:08:51 +0100344static void display_lat(const char *name, unsigned long min, unsigned long max,
345 double mean, double dev)
Jens Axboeea2accc2007-06-19 09:48:44 +0200346{
Jens Axboeb29ad562012-03-05 13:08:51 +0100347 const char *base = "(usec)";
348 char *minp, *maxp;
Jens Axboeea2accc2007-06-19 09:48:44 +0200349
Jens Axboeb29ad562012-03-05 13:08:51 +0100350 if (!usec_to_msec(&min, &max, &mean, &dev))
351 base = "(msec)";
352
Jens Axboe22f80452013-04-09 20:29:16 +0200353 minp = num2str(min, 6, 1, 0, 0);
354 maxp = num2str(max, 6, 1, 0, 0);
Jens Axboeb29ad562012-03-05 13:08:51 +0100355
356 log_info(" %s %s: min=%s, max=%s, avg=%5.02f,"
357 " stdev=%5.02f\n", name, base, minp, maxp, mean, dev);
358
359 free(minp);
360 free(maxp);
Jens Axboeea2accc2007-06-19 09:48:44 +0200361}
362
Jens Axboe756867b2007-03-06 15:19:24 +0100363static void show_ddir_status(struct group_run_stats *rs, struct thread_stat *ts,
Jens Axboe3c39a372006-06-06 20:56:12 +0200364 int ddir)
365{
Jens Axboe4d6922b2014-11-12 11:11:20 -0700366 const char *str[] = { "read ", "write", "trim" };
Jens Axboe8879fd12009-04-20 10:06:02 +0200367 unsigned long min, max, runt;
Jens Axboeb3605062007-03-12 14:19:47 +0100368 unsigned long long bw, iops;
Jens Axboe3c39a372006-06-06 20:56:12 +0200369 double mean, dev;
Jens Axboeb3605062007-03-12 14:19:47 +0100370 char *io_p, *bw_p, *iops_p;
Jens Axboe90fef2d2009-07-17 22:33:32 +0200371 int i2p;
Jens Axboe3c39a372006-06-06 20:56:12 +0200372
Jens Axboeff58fce2010-08-25 12:02:08 +0200373 assert(ddir_rw(ddir));
374
Jens Axboe756867b2007-03-06 15:19:24 +0100375 if (!ts->runtime[ddir])
Jens Axboe3c39a372006-06-06 20:56:12 +0200376 return;
377
Jens Axboe90fef2d2009-07-17 22:33:32 +0200378 i2p = is_power_of_2(rs->kb_base);
Jens Axboe8879fd12009-04-20 10:06:02 +0200379 runt = ts->runtime[ddir];
380
381 bw = (1000 * ts->io_bytes[ddir]) / runt;
Steven Noonan73798eb2013-04-05 16:57:38 -0700382 io_p = num2str(ts->io_bytes[ddir], 6, 1, i2p, 8);
Steven Noonanad705bc2013-04-08 15:05:25 -0700383 bw_p = num2str(bw, 6, 1, i2p, ts->unit_base);
Jens Axboe8879fd12009-04-20 10:06:02 +0200384
Bruce Cran0aacc502011-07-09 08:19:53 +0200385 iops = (1000 * (uint64_t)ts->total_io_u[ddir]) / runt;
Steven Noonan73798eb2013-04-05 16:57:38 -0700386 iops_p = num2str(iops, 6, 1, 0, 0);
Jens Axboedbe11252007-02-11 00:19:51 +0100387
Steven Noonan73798eb2013-04-05 16:57:38 -0700388 log_info(" %s: io=%s, bw=%s/s, iops=%s, runt=%6llumsec\n",
Jens Axboe4d6922b2014-11-12 11:11:20 -0700389 rs->unified_rw_rep ? "mixed" : str[ddir],
Jens Axboe4e0a8fa2013-04-15 11:40:57 +0200390 io_p, bw_p, iops_p,
391 (unsigned long long) ts->runtime[ddir]);
Jens Axboedbe11252007-02-11 00:19:51 +0100392
393 free(io_p);
394 free(bw_p);
Jens Axboeb3605062007-03-12 14:19:47 +0100395 free(iops_p);
Jens Axboe3c39a372006-06-06 20:56:12 +0200396
Jens Axboeb29ad562012-03-05 13:08:51 +0100397 if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev))
398 display_lat("slat", min, max, mean, dev);
399 if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev))
400 display_lat("clat", min, max, mean, dev);
401 if (calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev))
402 display_lat(" lat", min, max, mean, dev);
Jens Axboe3c39a372006-06-06 20:56:12 +0200403
Yu-ju Hong83349192011-08-13 00:53:44 +0200404 if (ts->clat_percentiles) {
405 show_clat_percentiles(ts->io_u_plat[ddir],
406 ts->clat_stat[ddir].samples,
Vincent Kang Fu435d1952013-02-06 08:43:40 +0100407 ts->percentile_list,
408 ts->percentile_precision);
Yu-ju Hong83349192011-08-13 00:53:44 +0200409 }
Jens Axboe079ad092007-02-20 13:58:20 +0100410 if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) {
Steven Noonan142c7f22013-04-08 15:25:54 -0700411 double p_of_agg = 100.0, fkb_base = (double)rs->kb_base;
Steven Noonand6869902013-04-08 15:40:13 -0700412 const char *bw_str = (rs->unit_base == 1 ? "Kbit" : "KB");
413
414 if (rs->unit_base == 1) {
415 min *= 8.0;
416 max *= 8.0;
417 mean *= 8.0;
418 dev *= 8.0;
419 }
Jens Axboe3c39a372006-06-06 20:56:12 +0200420
Jens Axboe2f2c6922012-02-07 16:42:43 +0100421 if (rs->agg[ddir]) {
Jens Axboe19d3e962012-02-07 12:27:28 +0100422 p_of_agg = mean * 100 / (double) rs->agg[ddir];
423 if (p_of_agg > 100.0)
424 p_of_agg = 100.0;
425 }
Jens Axboeb7017e32011-10-14 09:30:01 +0200426
Steven Noonan142c7f22013-04-08 15:25:54 -0700427 if (mean > fkb_base * fkb_base) {
428 min /= fkb_base;
429 max /= fkb_base;
430 mean /= fkb_base;
431 dev /= fkb_base;
Steven Noonand6869902013-04-08 15:40:13 -0700432 bw_str = (rs->unit_base == 1 ? "Mbit" : "MB");
Jens Axboeb7017e32011-10-14 09:30:01 +0200433 }
434
Steven Noonand6869902013-04-08 15:40:13 -0700435 log_info(" bw (%-4s/s): min=%5lu, max=%5lu, per=%3.2f%%,"
Jens Axboeb7017e32011-10-14 09:30:01 +0200436 " avg=%5.02f, stdev=%5.02f\n", bw_str, min, max,
437 p_of_agg, mean, dev);
Jens Axboe3c39a372006-06-06 20:56:12 +0200438 }
439}
440
Jens Axboe7e1773b2011-10-14 12:47:56 +0200441static int show_lat(double *io_u_lat, int nr, const char **ranges,
442 const char *msg)
Jens Axboe04a0fea2007-06-19 12:48:41 +0200443{
Jens Axboe7e1773b2011-10-14 12:47:56 +0200444 int new_line = 1, i, line = 0, shown = 0;
Jens Axboe04a0fea2007-06-19 12:48:41 +0200445
446 for (i = 0; i < nr; i++) {
447 if (io_u_lat[i] <= 0.0)
448 continue;
Jens Axboe7e1773b2011-10-14 12:47:56 +0200449 shown = 1;
Jens Axboe04a0fea2007-06-19 12:48:41 +0200450 if (new_line) {
Jens Axboe4539ed72007-07-23 14:21:17 +0200451 if (line)
452 log_info("\n");
Jens Axboe7e1773b2011-10-14 12:47:56 +0200453 log_info(" lat (%s) : ", msg);
Jens Axboe04a0fea2007-06-19 12:48:41 +0200454 new_line = 0;
455 line = 0;
456 }
457 if (line)
458 log_info(", ");
459 log_info("%s%3.2f%%", ranges[i], io_u_lat[i]);
460 line++;
461 if (line == 5)
462 new_line = 1;
463 }
Jens Axboe7e1773b2011-10-14 12:47:56 +0200464
465 if (shown)
466 log_info("\n");
467
468 return shown;
Jens Axboe04a0fea2007-06-19 12:48:41 +0200469}
470
471static void show_lat_u(double *io_u_lat_u)
472{
473 const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=",
474 "250=", "500=", "750=", "1000=", };
475
476 show_lat(io_u_lat_u, FIO_IO_U_LAT_U_NR, ranges, "usec");
477}
478
479static void show_lat_m(double *io_u_lat_m)
480{
481 const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=",
482 "250=", "500=", "750=", "1000=", "2000=",
483 ">=2000=", };
484
485 show_lat(io_u_lat_m, FIO_IO_U_LAT_M_NR, ranges, "msec");
486}
487
Jens Axboec551f652012-03-05 20:49:10 +0100488static void show_latencies(struct thread_stat *ts)
Jens Axboe04a0fea2007-06-19 12:48:41 +0200489{
Jens Axboec551f652012-03-05 20:49:10 +0100490 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
491 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
492
Jens Axboe5a189882012-03-05 14:08:34 +0100493 stat_calc_lat_u(ts, io_u_lat_u);
494 stat_calc_lat_m(ts, io_u_lat_m);
495
Jens Axboe04a0fea2007-06-19 12:48:41 +0200496 show_lat_u(io_u_lat_u);
497 show_lat_m(io_u_lat_m);
Jens Axboe04a0fea2007-06-19 12:48:41 +0200498}
499
Jens Axboe10aa1362014-04-01 21:10:36 -0600500static void show_thread_status_normal(struct thread_stat *ts,
501 struct group_run_stats *rs)
Jens Axboe3c39a372006-06-06 20:56:12 +0200502{
503 double usr_cpu, sys_cpu;
Jens Axboe69008992006-11-24 13:12:56 +0100504 unsigned long runtime;
Jens Axboe71619dc2007-01-13 23:56:33 +0100505 double io_u_dist[FIO_IO_U_MAP_NR];
Jens Axboe57a64322012-06-14 15:11:15 +0200506 time_t time_p;
507 char time_buf[64];
Jens Axboe3c39a372006-06-06 20:56:12 +0200508
Jens Axboee93fd532014-10-09 20:05:55 -0600509 if (!ddir_rw_sum(ts->io_bytes) && !ddir_rw_sum(ts->total_io_u))
Jens Axboe3c39a372006-06-06 20:56:12 +0200510 return;
511
Jens Axboe57a64322012-06-14 15:11:15 +0200512 time(&time_p);
Saurabh De45054cb2012-10-09 14:46:24 -0600513 os_ctime_r((const time_t *) &time_p, time_buf, sizeof(time_buf));
Jens Axboe57a64322012-06-14 15:11:15 +0200514
Jens Axboe5ec10ea2008-03-06 15:42:00 +0100515 if (!ts->error) {
Jens Axboe57a64322012-06-14 15:11:15 +0200516 log_info("%s: (groupid=%d, jobs=%d): err=%2d: pid=%d: %s",
Jens Axboe5ec10ea2008-03-06 15:42:00 +0100517 ts->name, ts->groupid, ts->members,
Jens Axboe57a64322012-06-14 15:11:15 +0200518 ts->error, (int) ts->pid, time_buf);
Jens Axboe5ec10ea2008-03-06 15:42:00 +0100519 } else {
Jens Axboe57a64322012-06-14 15:11:15 +0200520 log_info("%s: (groupid=%d, jobs=%d): err=%2d (%s): pid=%d: %s",
Jens Axboe5ec10ea2008-03-06 15:42:00 +0100521 ts->name, ts->groupid, ts->members,
Jens Axboe57a64322012-06-14 15:11:15 +0200522 ts->error, ts->verror, (int) ts->pid,
523 time_buf);
Jens Axboe5ec10ea2008-03-06 15:42:00 +0100524 }
Jens Axboe3c39a372006-06-06 20:56:12 +0200525
Jens Axboe259e47d2011-10-13 21:05:59 +0200526 if (strlen(ts->description))
Jens Axboe6d861442007-03-15 09:22:23 +0100527 log_info(" Description : [%s]\n", ts->description);
Jens Axboe7bdce1b2007-03-06 20:01:13 +0100528
Jens Axboe756867b2007-03-06 15:19:24 +0100529 if (ts->io_bytes[DDIR_READ])
530 show_ddir_status(rs, ts, DDIR_READ);
531 if (ts->io_bytes[DDIR_WRITE])
532 show_ddir_status(rs, ts, DDIR_WRITE);
Shaohua Li6eaf09d2012-09-14 08:49:43 +0200533 if (ts->io_bytes[DDIR_TRIM])
534 show_ddir_status(rs, ts, DDIR_TRIM);
Jens Axboe3c39a372006-06-06 20:56:12 +0200535
Jens Axboec551f652012-03-05 20:49:10 +0100536 show_latencies(ts);
Jens Axboe7e1773b2011-10-14 12:47:56 +0200537
Jens Axboe756867b2007-03-06 15:19:24 +0100538 runtime = ts->total_run_time;
Jens Axboe69008992006-11-24 13:12:56 +0100539 if (runtime) {
Jens Axboe1e97cce2006-12-05 11:44:16 +0100540 double runt = (double) runtime;
Jens Axboe3c39a372006-06-06 20:56:12 +0200541
Jens Axboe756867b2007-03-06 15:19:24 +0100542 usr_cpu = (double) ts->usr_time * 100 / runt;
543 sys_cpu = (double) ts->sys_time * 100 / runt;
Jens Axboe3c39a372006-06-06 20:56:12 +0200544 } else {
545 usr_cpu = 0;
546 sys_cpu = 0;
547 }
548
Jens Axboe4e0a8fa2013-04-15 11:40:57 +0200549 log_info(" cpu : usr=%3.2f%%, sys=%3.2f%%, ctx=%llu,"
550 " majf=%llu, minf=%llu\n", usr_cpu, sys_cpu,
551 (unsigned long long) ts->ctx,
552 (unsigned long long) ts->majf,
553 (unsigned long long) ts->minf);
Jens Axboe71619dc2007-01-13 23:56:33 +0100554
Jens Axboed79db122012-09-24 08:51:24 +0200555 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
Jens Axboe5ec10ea2008-03-06 15:42:00 +0100556 log_info(" IO depths : 1=%3.1f%%, 2=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%,"
557 " 16=%3.1f%%, 32=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0],
558 io_u_dist[1], io_u_dist[2],
559 io_u_dist[3], io_u_dist[4],
560 io_u_dist[5], io_u_dist[6]);
Jens Axboe838bc702008-05-22 13:08:23 +0200561
562 stat_calc_dist(ts->io_u_submit, ts->total_submit, io_u_dist);
563 log_info(" submit : 0=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%, 16=%3.1f%%,"
564 " 32=%3.1f%%, 64=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0],
565 io_u_dist[1], io_u_dist[2],
566 io_u_dist[3], io_u_dist[4],
567 io_u_dist[5], io_u_dist[6]);
568 stat_calc_dist(ts->io_u_complete, ts->total_complete, io_u_dist);
569 log_info(" complete : 0=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%, 16=%3.1f%%,"
570 " 32=%3.1f%%, 64=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0],
571 io_u_dist[1], io_u_dist[2],
572 io_u_dist[3], io_u_dist[4],
573 io_u_dist[5], io_u_dist[6]);
Jens Axboe4e0a8fa2013-04-15 11:40:57 +0200574 log_info(" issued : total=r=%llu/w=%llu/d=%llu,"
Jens Axboe67e149c2014-10-09 13:27:44 -0600575 " short=r=%llu/w=%llu/d=%llu,"
576 " drop=r=%llu/w=%llu/d=%llu\n",
Jens Axboe4e0a8fa2013-04-15 11:40:57 +0200577 (unsigned long long) ts->total_io_u[0],
578 (unsigned long long) ts->total_io_u[1],
579 (unsigned long long) ts->total_io_u[2],
580 (unsigned long long) ts->short_io_u[0],
581 (unsigned long long) ts->short_io_u[1],
Jens Axboe67e149c2014-10-09 13:27:44 -0600582 (unsigned long long) ts->short_io_u[2],
583 (unsigned long long) ts->drop_io_u[0],
584 (unsigned long long) ts->drop_io_u[1],
585 (unsigned long long) ts->drop_io_u[2]);
Radha Ramachandranf2bba182009-06-15 08:40:16 +0200586 if (ts->continue_on_error) {
Dmitry Monakhove9d806f2013-04-15 11:23:25 +0200587 log_info(" errors : total=%llu, first_error=%d/<%s>\n",
Jens Axboe4e0a8fa2013-04-15 11:40:57 +0200588 (unsigned long long)ts->total_err_count,
Jens Axboe1ec99ee2009-06-15 12:37:30 +0200589 ts->first_error,
590 strerror(ts->first_error));
Radha Ramachandranf2bba182009-06-15 08:40:16 +0200591 }
Jens Axboe3e260a42013-12-09 12:38:53 -0700592 if (ts->latency_depth) {
593 log_info(" latency : target=%llu, window=%llu, percentile=%.2f%%, depth=%u\n",
594 (unsigned long long)ts->latency_target,
595 (unsigned long long)ts->latency_window,
596 ts->latency_percentile.u.f,
597 ts->latency_depth);
598 }
Jens Axboe3c39a372006-06-06 20:56:12 +0200599}
600
Jens Axboe756867b2007-03-06 15:19:24 +0100601static void show_ddir_status_terse(struct thread_stat *ts,
Jens Axboec6ae0a52006-06-12 11:04:44 +0200602 struct group_run_stats *rs, int ddir)
603{
604 unsigned long min, max;
Jens Axboe312b4af2011-10-13 13:11:42 +0200605 unsigned long long bw, iops;
Jens Axboe1db92cb2011-10-13 13:43:36 +0200606 unsigned int *ovals = NULL;
Jens Axboec6ae0a52006-06-12 11:04:44 +0200607 double mean, dev;
Jens Axboe1db92cb2011-10-13 13:43:36 +0200608 unsigned int len, minv, maxv;
609 int i;
Jens Axboec6ae0a52006-06-12 11:04:44 +0200610
Jens Axboeff58fce2010-08-25 12:02:08 +0200611 assert(ddir_rw(ddir));
612
Jens Axboe312b4af2011-10-13 13:11:42 +0200613 iops = bw = 0;
614 if (ts->runtime[ddir]) {
615 uint64_t runt = ts->runtime[ddir];
Jens Axboec6ae0a52006-06-12 11:04:44 +0200616
Jens Axboe033bbb52012-05-07 09:46:40 +0200617 bw = ((1000 * ts->io_bytes[ddir]) / runt) / 1024;
Jens Axboe312b4af2011-10-13 13:11:42 +0200618 iops = (1000 * (uint64_t) ts->total_io_u[ddir]) / runt;
619 }
620
Jens Axboe4e0a8fa2013-04-15 11:40:57 +0200621 log_info(";%llu;%llu;%llu;%llu",
622 (unsigned long long) ts->io_bytes[ddir] >> 10, bw, iops,
623 (unsigned long long) ts->runtime[ddir]);
Jens Axboec6ae0a52006-06-12 11:04:44 +0200624
Jens Axboe079ad092007-02-20 13:58:20 +0100625 if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev))
Jens Axboe6d861442007-03-15 09:22:23 +0100626 log_info(";%lu;%lu;%f;%f", min, max, mean, dev);
Jens Axboec6ae0a52006-06-12 11:04:44 +0200627 else
Jens Axboe6d861442007-03-15 09:22:23 +0100628 log_info(";%lu;%lu;%f;%f", 0UL, 0UL, 0.0, 0.0);
Jens Axboec6ae0a52006-06-12 11:04:44 +0200629
Jens Axboe079ad092007-02-20 13:58:20 +0100630 if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev))
Jens Axboe6d861442007-03-15 09:22:23 +0100631 log_info(";%lu;%lu;%f;%f", min, max, mean, dev);
Jens Axboec6ae0a52006-06-12 11:04:44 +0200632 else
Jens Axboe6d861442007-03-15 09:22:23 +0100633 log_info(";%lu;%lu;%f;%f", 0UL, 0UL, 0.0, 0.0);
Jens Axboec6ae0a52006-06-12 11:04:44 +0200634
Jens Axboe1db92cb2011-10-13 13:43:36 +0200635 if (ts->clat_percentiles) {
636 len = calc_clat_percentiles(ts->io_u_plat[ddir],
637 ts->clat_stat[ddir].samples,
638 ts->percentile_list, &ovals, &maxv,
639 &minv);
640 } else
641 len = 0;
642
643 for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) {
644 if (i >= len) {
645 log_info(";0%%=0");
646 continue;
647 }
Vincent Kang Fu435d1952013-02-06 08:43:40 +0100648 log_info(";%f%%=%u", ts->percentile_list[i].u.f, ovals[i]);
Jens Axboe1db92cb2011-10-13 13:43:36 +0200649 }
Keplar kramer2341a372011-10-19 21:31:27 +0200650
651 if (calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev))
652 log_info(";%lu;%lu;%f;%f", min, max, mean, dev);
653 else
654 log_info(";%lu;%lu;%f;%f", 0UL, 0UL, 0.0, 0.0);
655
Jens Axboe1db92cb2011-10-13 13:43:36 +0200656 if (ovals)
657 free(ovals);
658
Jens Axboe079ad092007-02-20 13:58:20 +0100659 if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) {
Jens Axboe19d3e962012-02-07 12:27:28 +0100660 double p_of_agg = 100.0;
Jens Axboec6ae0a52006-06-12 11:04:44 +0200661
Jens Axboe19d3e962012-02-07 12:27:28 +0100662 if (rs->agg[ddir]) {
663 p_of_agg = mean * 100 / (double) rs->agg[ddir];
664 if (p_of_agg > 100.0)
665 p_of_agg = 100.0;
666 }
667
Jens Axboe6d861442007-03-15 09:22:23 +0100668 log_info(";%lu;%lu;%f%%;%f;%f", min, max, p_of_agg, mean, dev);
Jens Axboec6ae0a52006-06-12 11:04:44 +0200669 } else
Jens Axboe6d861442007-03-15 09:22:23 +0100670 log_info(";%lu;%lu;%f%%;%f;%f", 0UL, 0UL, 0.0, 0.0, 0.0);
Jens Axboec6ae0a52006-06-12 11:04:44 +0200671}
672
Shaohua Licc372b12012-09-17 09:12:18 +0200673static void add_ddir_status_json(struct thread_stat *ts,
674 struct group_run_stats *rs, int ddir, struct json_object *parent)
675{
676 unsigned long min, max;
677 unsigned long long bw, iops;
678 unsigned int *ovals = NULL;
679 double mean, dev;
680 unsigned int len, minv, maxv;
681 int i;
682 const char *ddirname[] = {"read", "write", "trim"};
683 struct json_object *dir_object, *tmp_object, *percentile_object;
684 char buf[120];
685 double p_of_agg = 100.0;
686
687 assert(ddir_rw(ddir));
688
Jens Axboe771e58b2013-01-30 12:56:23 +0100689 if (ts->unified_rw_rep && ddir != DDIR_READ)
690 return;
691
Shaohua Licc372b12012-09-17 09:12:18 +0200692 dir_object = json_create_object();
Jens Axboe771e58b2013-01-30 12:56:23 +0100693 json_object_add_value_object(parent,
694 ts->unified_rw_rep ? "mixed" : ddirname[ddir], dir_object);
Shaohua Licc372b12012-09-17 09:12:18 +0200695
696 iops = bw = 0;
697 if (ts->runtime[ddir]) {
698 uint64_t runt = ts->runtime[ddir];
699
700 bw = ((1000 * ts->io_bytes[ddir]) / runt) / 1024;
701 iops = (1000 * (uint64_t) ts->total_io_u[ddir]) / runt;
702 }
703
704 json_object_add_value_int(dir_object, "io_bytes", ts->io_bytes[ddir] >> 10);
705 json_object_add_value_int(dir_object, "bw", bw);
706 json_object_add_value_int(dir_object, "iops", iops);
707 json_object_add_value_int(dir_object, "runtime", ts->runtime[ddir]);
Jens Axboee93fd532014-10-09 20:05:55 -0600708 json_object_add_value_int(dir_object, "total_ios", ts->total_io_u[ddir]);
709 json_object_add_value_int(dir_object, "short_ios", ts->short_io_u[ddir]);
710 json_object_add_value_int(dir_object, "drop_ios", ts->drop_io_u[ddir]);
Shaohua Licc372b12012-09-17 09:12:18 +0200711
712 if (!calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev)) {
713 min = max = 0;
714 mean = dev = 0.0;
715 }
716 tmp_object = json_create_object();
717 json_object_add_value_object(dir_object, "slat", tmp_object);
718 json_object_add_value_int(tmp_object, "min", min);
719 json_object_add_value_int(tmp_object, "max", max);
720 json_object_add_value_float(tmp_object, "mean", mean);
721 json_object_add_value_float(tmp_object, "stddev", dev);
722
723 if (!calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev)) {
724 min = max = 0;
725 mean = dev = 0.0;
726 }
727 tmp_object = json_create_object();
728 json_object_add_value_object(dir_object, "clat", tmp_object);
729 json_object_add_value_int(tmp_object, "min", min);
730 json_object_add_value_int(tmp_object, "max", max);
731 json_object_add_value_float(tmp_object, "mean", mean);
732 json_object_add_value_float(tmp_object, "stddev", dev);
733
734 if (ts->clat_percentiles) {
735 len = calc_clat_percentiles(ts->io_u_plat[ddir],
736 ts->clat_stat[ddir].samples,
737 ts->percentile_list, &ovals, &maxv,
738 &minv);
739 } else
740 len = 0;
741
742 percentile_object = json_create_object();
743 json_object_add_value_object(tmp_object, "percentile", percentile_object);
744 for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) {
745 if (i >= len) {
746 json_object_add_value_int(percentile_object, "0.00", 0);
747 continue;
748 }
Vincent Kang Fu435d1952013-02-06 08:43:40 +0100749 snprintf(buf, sizeof(buf), "%f", ts->percentile_list[i].u.f);
Shaohua Licc372b12012-09-17 09:12:18 +0200750 json_object_add_value_int(percentile_object, (const char *)buf, ovals[i]);
751 }
752
753 if (!calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev)) {
754 min = max = 0;
755 mean = dev = 0.0;
756 }
757 tmp_object = json_create_object();
758 json_object_add_value_object(dir_object, "lat", tmp_object);
759 json_object_add_value_int(tmp_object, "min", min);
760 json_object_add_value_int(tmp_object, "max", max);
761 json_object_add_value_float(tmp_object, "mean", mean);
762 json_object_add_value_float(tmp_object, "stddev", dev);
763 if (ovals)
764 free(ovals);
765
Shaohua Lib9e1b492013-04-03 08:40:17 +0200766 if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) {
Shaohua Licc372b12012-09-17 09:12:18 +0200767 if (rs->agg[ddir]) {
768 p_of_agg = mean * 100 / (double) rs->agg[ddir];
769 if (p_of_agg > 100.0)
770 p_of_agg = 100.0;
771 }
772 } else {
773 min = max = 0;
774 p_of_agg = mean = dev = 0.0;
775 }
776 json_object_add_value_int(dir_object, "bw_min", min);
777 json_object_add_value_int(dir_object, "bw_max", max);
Erwan Velua806bf22014-04-02 10:36:40 +0200778 json_object_add_value_float(dir_object, "bw_agg", p_of_agg);
Shaohua Licc372b12012-09-17 09:12:18 +0200779 json_object_add_value_float(dir_object, "bw_mean", mean);
780 json_object_add_value_float(dir_object, "bw_dev", dev);
781}
782
Jens Axboe4d658652011-10-17 15:05:47 +0200783static void show_thread_status_terse_v2(struct thread_stat *ts,
Jens Axboe3c3ed072012-03-27 09:12:39 +0200784 struct group_run_stats *rs)
Jens Axboe4d658652011-10-17 15:05:47 +0200785{
786 double io_u_dist[FIO_IO_U_MAP_NR];
787 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
788 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
789 double usr_cpu, sys_cpu;
790 int i;
791
792 /* General Info */
793 log_info("2;%s;%d;%d", ts->name, ts->groupid, ts->error);
794 /* Log Read Status */
Shaohua Li6eaf09d2012-09-14 08:49:43 +0200795 show_ddir_status_terse(ts, rs, DDIR_READ);
Jens Axboe4d658652011-10-17 15:05:47 +0200796 /* Log Write Status */
Shaohua Li6eaf09d2012-09-14 08:49:43 +0200797 show_ddir_status_terse(ts, rs, DDIR_WRITE);
798 /* Log Trim Status */
799 show_ddir_status_terse(ts, rs, DDIR_TRIM);
Jens Axboe4d658652011-10-17 15:05:47 +0200800
801 /* CPU Usage */
802 if (ts->total_run_time) {
803 double runt = (double) ts->total_run_time;
804
805 usr_cpu = (double) ts->usr_time * 100 / runt;
806 sys_cpu = (double) ts->sys_time * 100 / runt;
807 } else {
808 usr_cpu = 0;
809 sys_cpu = 0;
810 }
811
Jens Axboe4e0a8fa2013-04-15 11:40:57 +0200812 log_info(";%f%%;%f%%;%llu;%llu;%llu", usr_cpu, sys_cpu,
813 (unsigned long long) ts->ctx,
814 (unsigned long long) ts->majf,
815 (unsigned long long) ts->minf);
Jens Axboe4d658652011-10-17 15:05:47 +0200816
817 /* Calc % distribution of IO depths, usecond, msecond latency */
Jens Axboed79db122012-09-24 08:51:24 +0200818 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
Jens Axboe4d658652011-10-17 15:05:47 +0200819 stat_calc_lat_u(ts, io_u_lat_u);
820 stat_calc_lat_m(ts, io_u_lat_m);
821
822 /* Only show fixed 7 I/O depth levels*/
823 log_info(";%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%",
824 io_u_dist[0], io_u_dist[1], io_u_dist[2], io_u_dist[3],
825 io_u_dist[4], io_u_dist[5], io_u_dist[6]);
826
827 /* Microsecond latency */
828 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++)
829 log_info(";%3.2f%%", io_u_lat_u[i]);
830 /* Millisecond latency */
831 for (i = 0; i < FIO_IO_U_LAT_M_NR; i++)
832 log_info(";%3.2f%%", io_u_lat_m[i]);
833 /* Additional output if continue_on_error set - default off*/
834 if (ts->continue_on_error)
Jens Axboe4e0a8fa2013-04-15 11:40:57 +0200835 log_info(";%llu;%d", (unsigned long long) ts->total_err_count, ts->first_error);
Jens Axboe4d658652011-10-17 15:05:47 +0200836 log_info("\n");
837
838 /* Additional output if description is set */
Jens Axboe0a3c52f2014-04-14 08:57:35 -0600839 if (strlen(ts->description))
Jens Axboe4d658652011-10-17 15:05:47 +0200840 log_info(";%s", ts->description);
841
842 log_info("\n");
843}
844
Jens Axboe3449ab82012-09-14 23:35:08 +0200845static void show_thread_status_terse_v3_v4(struct thread_stat *ts,
846 struct group_run_stats *rs, int ver)
Jens Axboec6ae0a52006-06-12 11:04:44 +0200847{
Jens Axboe22708902007-03-06 17:05:32 +0100848 double io_u_dist[FIO_IO_U_MAP_NR];
Jens Axboe04a0fea2007-06-19 12:48:41 +0200849 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
850 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
Jens Axboec6ae0a52006-06-12 11:04:44 +0200851 double usr_cpu, sys_cpu;
Jens Axboe04a0fea2007-06-19 12:48:41 +0200852 int i;
Jens Axboec6ae0a52006-06-12 11:04:44 +0200853
David Nellans562c2d22010-09-23 08:38:17 +0200854 /* General Info */
Jens Axboef3afa572012-09-17 13:34:16 +0200855 log_info("%d;%s;%s;%d;%d", ver, fio_version_string,
Jens Axboe5e726d02011-10-14 08:08:10 +0200856 ts->name, ts->groupid, ts->error);
David Nellans562c2d22010-09-23 08:38:17 +0200857 /* Log Read Status */
Shaohua Li6eaf09d2012-09-14 08:49:43 +0200858 show_ddir_status_terse(ts, rs, DDIR_READ);
David Nellans562c2d22010-09-23 08:38:17 +0200859 /* Log Write Status */
Shaohua Li6eaf09d2012-09-14 08:49:43 +0200860 show_ddir_status_terse(ts, rs, DDIR_WRITE);
861 /* Log Trim Status */
Jens Axboe3449ab82012-09-14 23:35:08 +0200862 if (ver == 4)
863 show_ddir_status_terse(ts, rs, DDIR_TRIM);
Jens Axboec6ae0a52006-06-12 11:04:44 +0200864
David Nellans562c2d22010-09-23 08:38:17 +0200865 /* CPU Usage */
Jens Axboe756867b2007-03-06 15:19:24 +0100866 if (ts->total_run_time) {
867 double runt = (double) ts->total_run_time;
Jens Axboec6ae0a52006-06-12 11:04:44 +0200868
Jens Axboe756867b2007-03-06 15:19:24 +0100869 usr_cpu = (double) ts->usr_time * 100 / runt;
870 sys_cpu = (double) ts->sys_time * 100 / runt;
Jens Axboec6ae0a52006-06-12 11:04:44 +0200871 } else {
872 usr_cpu = 0;
873 sys_cpu = 0;
874 }
875
Jens Axboe4e0a8fa2013-04-15 11:40:57 +0200876 log_info(";%f%%;%f%%;%llu;%llu;%llu", usr_cpu, sys_cpu,
877 (unsigned long long) ts->ctx,
878 (unsigned long long) ts->majf,
879 (unsigned long long) ts->minf);
Jens Axboe22708902007-03-06 17:05:32 +0100880
David Nellans562c2d22010-09-23 08:38:17 +0200881 /* Calc % distribution of IO depths, usecond, msecond latency */
Jens Axboed79db122012-09-24 08:51:24 +0200882 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
Jens Axboe04a0fea2007-06-19 12:48:41 +0200883 stat_calc_lat_u(ts, io_u_lat_u);
884 stat_calc_lat_m(ts, io_u_lat_m);
Jens Axboe22708902007-03-06 17:05:32 +0100885
David Nellans562c2d22010-09-23 08:38:17 +0200886 /* Only show fixed 7 I/O depth levels*/
Jens Axboe5ec10ea2008-03-06 15:42:00 +0100887 log_info(";%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%",
888 io_u_dist[0], io_u_dist[1], io_u_dist[2], io_u_dist[3],
889 io_u_dist[4], io_u_dist[5], io_u_dist[6]);
Jens Axboe22708902007-03-06 17:05:32 +0100890
David Nellans562c2d22010-09-23 08:38:17 +0200891 /* Microsecond latency */
Jens Axboe04a0fea2007-06-19 12:48:41 +0200892 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++)
893 log_info(";%3.2f%%", io_u_lat_u[i]);
David Nellans562c2d22010-09-23 08:38:17 +0200894 /* Millisecond latency */
Jens Axboe04a0fea2007-06-19 12:48:41 +0200895 for (i = 0; i < FIO_IO_U_LAT_M_NR; i++)
896 log_info(";%3.2f%%", io_u_lat_m[i]);
Jens Axboef2f788d2011-10-13 14:03:52 +0200897
898 /* disk util stats, if any */
Castor Fu952b05e2013-10-31 11:00:34 -0600899 if (is_backend)
900 show_disk_util(1, NULL);
Jens Axboef2f788d2011-10-13 14:03:52 +0200901
David Nellans562c2d22010-09-23 08:38:17 +0200902 /* Additional output if continue_on_error set - default off*/
Radha Ramachandranf2bba182009-06-15 08:40:16 +0200903 if (ts->continue_on_error)
Jens Axboe4e0a8fa2013-04-15 11:40:57 +0200904 log_info(";%llu;%d", (unsigned long long) ts->total_err_count, ts->first_error);
Jens Axboe22708902007-03-06 17:05:32 +0100905
David Nellans562c2d22010-09-23 08:38:17 +0200906 /* Additional output if description is set */
Jens Axboe4b0f2252011-10-13 15:03:25 +0200907 if (strlen(ts->description))
Jens Axboe6d861442007-03-15 09:22:23 +0100908 log_info(";%s", ts->description);
Jens Axboe946e4272012-03-23 19:22:21 +0100909
910 log_info("\n");
Jens Axboe756867b2007-03-06 15:19:24 +0100911}
912
Shaohua Licc372b12012-09-17 09:12:18 +0200913static struct json_object *show_thread_status_json(struct thread_stat *ts,
914 struct group_run_stats *rs)
915{
916 struct json_object *root, *tmp;
917 double io_u_dist[FIO_IO_U_MAP_NR];
918 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
919 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
920 double usr_cpu, sys_cpu;
921 int i;
922
923 root = json_create_object();
924 json_object_add_value_string(root, "jobname", ts->name);
925 json_object_add_value_int(root, "groupid", ts->groupid);
926 json_object_add_value_int(root, "error", ts->error);
927
928 add_ddir_status_json(ts, rs, DDIR_READ, root);
929 add_ddir_status_json(ts, rs, DDIR_WRITE, root);
Jens Axboef3afa572012-09-17 13:34:16 +0200930 add_ddir_status_json(ts, rs, DDIR_TRIM, root);
Shaohua Licc372b12012-09-17 09:12:18 +0200931
932 /* CPU Usage */
933 if (ts->total_run_time) {
934 double runt = (double) ts->total_run_time;
935
936 usr_cpu = (double) ts->usr_time * 100 / runt;
937 sys_cpu = (double) ts->sys_time * 100 / runt;
938 } else {
939 usr_cpu = 0;
940 sys_cpu = 0;
941 }
942 json_object_add_value_float(root, "usr_cpu", usr_cpu);
943 json_object_add_value_float(root, "sys_cpu", sys_cpu);
944 json_object_add_value_int(root, "ctx", ts->ctx);
945 json_object_add_value_int(root, "majf", ts->majf);
946 json_object_add_value_int(root, "minf", ts->minf);
947
948
949 /* Calc % distribution of IO depths, usecond, msecond latency */
Jens Axboed79db122012-09-24 08:51:24 +0200950 stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
Shaohua Licc372b12012-09-17 09:12:18 +0200951 stat_calc_lat_u(ts, io_u_lat_u);
952 stat_calc_lat_m(ts, io_u_lat_m);
953
954 tmp = json_create_object();
955 json_object_add_value_object(root, "iodepth_level", tmp);
956 /* Only show fixed 7 I/O depth levels*/
957 for (i = 0; i < 7; i++) {
958 char name[20];
959 if (i < 6)
Ken Raeburn98ffb8f2013-01-30 22:31:09 +0100960 snprintf(name, 20, "%d", 1 << i);
Shaohua Licc372b12012-09-17 09:12:18 +0200961 else
Ken Raeburn98ffb8f2013-01-30 22:31:09 +0100962 snprintf(name, 20, ">=%d", 1 << i);
Shaohua Licc372b12012-09-17 09:12:18 +0200963 json_object_add_value_float(tmp, (const char *)name, io_u_dist[i]);
964 }
965
966 tmp = json_create_object();
967 json_object_add_value_object(root, "latency_us", tmp);
968 /* Microsecond latency */
969 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) {
970 const char *ranges[] = { "2", "4", "10", "20", "50", "100",
971 "250", "500", "750", "1000", };
972 json_object_add_value_float(tmp, ranges[i], io_u_lat_u[i]);
973 }
974 /* Millisecond latency */
975 tmp = json_create_object();
976 json_object_add_value_object(root, "latency_ms", tmp);
977 for (i = 0; i < FIO_IO_U_LAT_M_NR; i++) {
978 const char *ranges[] = { "2", "4", "10", "20", "50", "100",
979 "250", "500", "750", "1000", "2000",
980 ">=2000", };
981 json_object_add_value_float(tmp, ranges[i], io_u_lat_m[i]);
982 }
983
984 /* Additional output if continue_on_error set - default off*/
985 if (ts->continue_on_error) {
986 json_object_add_value_int(root, "total_err", ts->total_err_count);
Castor Fu952b05e2013-10-31 11:00:34 -0600987 json_object_add_value_int(root, "first_error", ts->first_error);
Shaohua Licc372b12012-09-17 09:12:18 +0200988 }
989
Jens Axboe3e260a42013-12-09 12:38:53 -0700990 if (ts->latency_depth) {
991 json_object_add_value_int(root, "latency_depth", ts->latency_depth);
992 json_object_add_value_int(root, "latency_target", ts->latency_target);
993 json_object_add_value_float(root, "latency_percentile", ts->latency_percentile.u.f);
994 json_object_add_value_int(root, "latency_window", ts->latency_window);
995 }
996
Shaohua Licc372b12012-09-17 09:12:18 +0200997 /* Additional output if description is set */
998 if (strlen(ts->description))
999 json_object_add_value_string(root, "desc", ts->description);
1000
1001 return root;
1002}
1003
Jens Axboe4d658652011-10-17 15:05:47 +02001004static void show_thread_status_terse(struct thread_stat *ts,
1005 struct group_run_stats *rs)
1006{
1007 if (terse_version == 2)
1008 show_thread_status_terse_v2(ts, rs);
Jens Axboe3449ab82012-09-14 23:35:08 +02001009 else if (terse_version == 3 || terse_version == 4)
1010 show_thread_status_terse_v3_v4(ts, rs, terse_version);
Jens Axboe4d658652011-10-17 15:05:47 +02001011 else
1012 log_err("fio: bad terse version!? %d\n", terse_version);
1013}
1014
Castor Fu952b05e2013-10-31 11:00:34 -06001015struct json_object *show_thread_status(struct thread_stat *ts,
1016 struct group_run_stats *rs)
1017{
1018 if (output_format == FIO_OUTPUT_TERSE)
1019 show_thread_status_terse(ts, rs);
1020 else if (output_format == FIO_OUTPUT_JSON)
Jens Axboe10aa1362014-04-01 21:10:36 -06001021 return show_thread_status_json(ts, rs);
Castor Fu952b05e2013-10-31 11:00:34 -06001022 else
1023 show_thread_status_normal(ts, rs);
1024 return NULL;
1025}
1026
Jens Axboe197574e2007-03-08 15:35:11 +01001027static void sum_stat(struct io_stat *dst, struct io_stat *src, int nr)
Jens Axboe756867b2007-03-06 15:19:24 +01001028{
1029 double mean, S;
1030
Zheng Liue09231c2011-09-16 08:20:12 +02001031 if (src->samples == 0)
1032 return;
1033
Jens Axboe756867b2007-03-06 15:19:24 +01001034 dst->min_val = min(dst->min_val, src->min_val);
1035 dst->max_val = max(dst->max_val, src->max_val);
Jens Axboe756867b2007-03-06 15:19:24 +01001036
1037 /*
Yu-ju Hongcdcac5c2011-07-30 09:18:13 +02001038 * Compute new mean and S after the merge
1039 * <http://en.wikipedia.org/wiki/Algorithms_for_calculating_variance
1040 * #Parallel_algorithm>
Jens Axboe756867b2007-03-06 15:19:24 +01001041 */
1042 if (nr == 1) {
Jens Axboe802ad4a2011-10-05 09:51:58 +02001043 mean = src->mean.u.f;
1044 S = src->S.u.f;
Jens Axboe756867b2007-03-06 15:19:24 +01001045 } else {
Jens Axboe802ad4a2011-10-05 09:51:58 +02001046 double delta = src->mean.u.f - dst->mean.u.f;
Yu-ju Hongcdcac5c2011-07-30 09:18:13 +02001047
Jens Axboe802ad4a2011-10-05 09:51:58 +02001048 mean = ((src->mean.u.f * src->samples) +
1049 (dst->mean.u.f * dst->samples)) /
Yu-ju Hongcdcac5c2011-07-30 09:18:13 +02001050 (dst->samples + src->samples);
1051
Jens Axboe802ad4a2011-10-05 09:51:58 +02001052 S = src->S.u.f + dst->S.u.f + pow(delta, 2.0) *
Yu-ju Hongcdcac5c2011-07-30 09:18:13 +02001053 (dst->samples * src->samples) /
1054 (dst->samples + src->samples);
Jens Axboe756867b2007-03-06 15:19:24 +01001055 }
1056
Yu-ju Hongcdcac5c2011-07-30 09:18:13 +02001057 dst->samples += src->samples;
Jens Axboe802ad4a2011-10-05 09:51:58 +02001058 dst->mean.u.f = mean;
1059 dst->S.u.f = S;
Jens Axboe756867b2007-03-06 15:19:24 +01001060}
1061
Jens Axboe37f0c1a2011-10-11 14:08:33 +02001062void sum_group_stats(struct group_run_stats *dst, struct group_run_stats *src)
1063{
1064 int i;
1065
Shaohua Li6eaf09d2012-09-14 08:49:43 +02001066 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
Jens Axboe37f0c1a2011-10-11 14:08:33 +02001067 if (dst->max_run[i] < src->max_run[i])
1068 dst->max_run[i] = src->max_run[i];
1069 if (dst->min_run[i] && dst->min_run[i] > src->min_run[i])
1070 dst->min_run[i] = src->min_run[i];
1071 if (dst->max_bw[i] < src->max_bw[i])
1072 dst->max_bw[i] = src->max_bw[i];
1073 if (dst->min_bw[i] && dst->min_bw[i] > src->min_bw[i])
1074 dst->min_bw[i] = src->min_bw[i];
1075
1076 dst->io_kb[i] += src->io_kb[i];
1077 dst->agg[i] += src->agg[i];
1078 }
1079
Jens Axboec2d66682014-10-13 10:07:45 -06001080 if (!dst->kb_base)
1081 dst->kb_base = src->kb_base;
1082 if (!dst->unit_base)
1083 dst->unit_base = src->unit_base;
Jens Axboe37f0c1a2011-10-11 14:08:33 +02001084}
1085
Jens Axboe5b9babb2011-10-10 12:14:30 +02001086void sum_thread_stats(struct thread_stat *dst, struct thread_stat *src, int nr)
1087{
1088 int l, k;
1089
Shaohua Li6eaf09d2012-09-14 08:49:43 +02001090 for (l = 0; l < DDIR_RWDIR_CNT; l++) {
Jens Axboe771e58b2013-01-30 12:56:23 +01001091 if (!dst->unified_rw_rep) {
1092 sum_stat(&dst->clat_stat[l], &src->clat_stat[l], nr);
1093 sum_stat(&dst->slat_stat[l], &src->slat_stat[l], nr);
1094 sum_stat(&dst->lat_stat[l], &src->lat_stat[l], nr);
1095 sum_stat(&dst->bw_stat[l], &src->bw_stat[l], nr);
Jens Axboe5b9babb2011-10-10 12:14:30 +02001096
Jens Axboe771e58b2013-01-30 12:56:23 +01001097 dst->io_bytes[l] += src->io_bytes[l];
Jens Axboe5b9babb2011-10-10 12:14:30 +02001098
Jens Axboe771e58b2013-01-30 12:56:23 +01001099 if (dst->runtime[l] < src->runtime[l])
1100 dst->runtime[l] = src->runtime[l];
1101 } else {
1102 sum_stat(&dst->clat_stat[0], &src->clat_stat[l], nr);
1103 sum_stat(&dst->slat_stat[0], &src->slat_stat[l], nr);
1104 sum_stat(&dst->lat_stat[0], &src->lat_stat[l], nr);
1105 sum_stat(&dst->bw_stat[0], &src->bw_stat[l], nr);
1106
1107 dst->io_bytes[0] += src->io_bytes[l];
1108
1109 if (dst->runtime[0] < src->runtime[l])
1110 dst->runtime[0] = src->runtime[l];
1111 }
Jens Axboe5b9babb2011-10-10 12:14:30 +02001112 }
1113
1114 dst->usr_time += src->usr_time;
1115 dst->sys_time += src->sys_time;
1116 dst->ctx += src->ctx;
1117 dst->majf += src->majf;
1118 dst->minf += src->minf;
1119
1120 for (k = 0; k < FIO_IO_U_MAP_NR; k++)
1121 dst->io_u_map[k] += src->io_u_map[k];
1122 for (k = 0; k < FIO_IO_U_MAP_NR; k++)
1123 dst->io_u_submit[k] += src->io_u_submit[k];
1124 for (k = 0; k < FIO_IO_U_MAP_NR; k++)
1125 dst->io_u_complete[k] += src->io_u_complete[k];
1126 for (k = 0; k < FIO_IO_U_LAT_U_NR; k++)
1127 dst->io_u_lat_u[k] += src->io_u_lat_u[k];
1128 for (k = 0; k < FIO_IO_U_LAT_M_NR; k++)
1129 dst->io_u_lat_m[k] += src->io_u_lat_m[k];
1130
Shaohua Li6eaf09d2012-09-14 08:49:43 +02001131 for (k = 0; k < DDIR_RWDIR_CNT; k++) {
Jens Axboe771e58b2013-01-30 12:56:23 +01001132 if (!dst->unified_rw_rep) {
1133 dst->total_io_u[k] += src->total_io_u[k];
1134 dst->short_io_u[k] += src->short_io_u[k];
Jens Axboe67e149c2014-10-09 13:27:44 -06001135 dst->drop_io_u[k] += src->drop_io_u[k];
Jens Axboe771e58b2013-01-30 12:56:23 +01001136 } else {
1137 dst->total_io_u[0] += src->total_io_u[k];
1138 dst->short_io_u[0] += src->short_io_u[k];
Jens Axboe67e149c2014-10-09 13:27:44 -06001139 dst->drop_io_u[0] += src->drop_io_u[k];
Jens Axboe771e58b2013-01-30 12:56:23 +01001140 }
Jens Axboe5b9babb2011-10-10 12:14:30 +02001141 }
1142
Shaohua Li6eaf09d2012-09-14 08:49:43 +02001143 for (k = 0; k < DDIR_RWDIR_CNT; k++) {
Jens Axboe5b9babb2011-10-10 12:14:30 +02001144 int m;
Jens Axboe771e58b2013-01-30 12:56:23 +01001145
1146 for (m = 0; m < FIO_IO_U_PLAT_NR; m++) {
1147 if (!dst->unified_rw_rep)
1148 dst->io_u_plat[k][m] += src->io_u_plat[k][m];
1149 else
1150 dst->io_u_plat[0][m] += src->io_u_plat[k][m];
1151 }
Jens Axboe5b9babb2011-10-10 12:14:30 +02001152 }
1153
1154 dst->total_run_time += src->total_run_time;
1155 dst->total_submit += src->total_submit;
1156 dst->total_complete += src->total_complete;
1157}
1158
Jens Axboe37f0c1a2011-10-11 14:08:33 +02001159void init_group_run_stat(struct group_run_stats *gs)
1160{
Shaohua Li6eaf09d2012-09-14 08:49:43 +02001161 int i;
Jens Axboe37f0c1a2011-10-11 14:08:33 +02001162 memset(gs, 0, sizeof(*gs));
Shaohua Li6eaf09d2012-09-14 08:49:43 +02001163
1164 for (i = 0; i < DDIR_RWDIR_CNT; i++)
1165 gs->min_bw[i] = gs->min_run[i] = ~0UL;
Jens Axboe37f0c1a2011-10-11 14:08:33 +02001166}
1167
1168void init_thread_stat(struct thread_stat *ts)
1169{
1170 int j;
1171
1172 memset(ts, 0, sizeof(*ts));
1173
Shaohua Li6eaf09d2012-09-14 08:49:43 +02001174 for (j = 0; j < DDIR_RWDIR_CNT; j++) {
Jens Axboe37f0c1a2011-10-11 14:08:33 +02001175 ts->lat_stat[j].min_val = -1UL;
1176 ts->clat_stat[j].min_val = -1UL;
1177 ts->slat_stat[j].min_val = -1UL;
1178 ts->bw_stat[j].min_val = -1UL;
1179 }
1180 ts->groupid = -1;
1181}
1182
Jens Axboe2e627242014-07-25 09:51:56 +02001183void __show_run_stats(void)
Jens Axboe3c39a372006-06-06 20:56:12 +02001184{
1185 struct group_run_stats *runstats, *rs;
1186 struct thread_data *td;
Jens Axboe756867b2007-03-06 15:19:24 +01001187 struct thread_stat *threadstats, *ts;
Jens Axboe5b9babb2011-10-10 12:14:30 +02001188 int i, j, nr_ts, last_ts, idx;
Jens Axboe90fef2d2009-07-17 22:33:32 +02001189 int kb_base_warned = 0;
Steven Noonanad705bc2013-04-08 15:05:25 -07001190 int unit_base_warned = 0;
Shaohua Licc372b12012-09-17 09:12:18 +02001191 struct json_object *root = NULL;
1192 struct json_array *array = NULL;
Jens Axboe3c39a372006-06-06 20:56:12 +02001193
1194 runstats = malloc(sizeof(struct group_run_stats) * (groupid + 1));
1195
Jens Axboe37f0c1a2011-10-11 14:08:33 +02001196 for (i = 0; i < groupid + 1; i++)
1197 init_group_run_stat(&runstats[i]);
Jens Axboe3c39a372006-06-06 20:56:12 +02001198
Jens Axboe756867b2007-03-06 15:19:24 +01001199 /*
1200 * find out how many threads stats we need. if group reporting isn't
1201 * enabled, it's one-per-td.
1202 */
1203 nr_ts = 0;
1204 last_ts = -1;
Jens Axboe34572e22006-10-20 09:33:18 +02001205 for_each_td(td, i) {
Jens Axboe2dc1bbe2007-03-15 15:01:33 +01001206 if (!td->o.group_reporting) {
Jens Axboe756867b2007-03-06 15:19:24 +01001207 nr_ts++;
1208 continue;
1209 }
1210 if (last_ts == td->groupid)
1211 continue;
1212
1213 last_ts = td->groupid;
1214 nr_ts++;
1215 }
1216
1217 threadstats = malloc(nr_ts * sizeof(struct thread_stat));
1218
Jens Axboe37f0c1a2011-10-11 14:08:33 +02001219 for (i = 0; i < nr_ts; i++)
1220 init_thread_stat(&threadstats[i]);
Jens Axboe756867b2007-03-06 15:19:24 +01001221
1222 j = 0;
1223 last_ts = -1;
Jens Axboe197574e2007-03-08 15:35:11 +01001224 idx = 0;
Jens Axboe756867b2007-03-06 15:19:24 +01001225 for_each_td(td, i) {
Jens Axboe2dc1bbe2007-03-15 15:01:33 +01001226 if (idx && (!td->o.group_reporting ||
1227 (td->o.group_reporting && last_ts != td->groupid))) {
Jens Axboe7abd0e32007-03-12 15:24:43 +01001228 idx = 0;
1229 j++;
1230 }
1231
1232 last_ts = td->groupid;
1233
Jens Axboe756867b2007-03-06 15:19:24 +01001234 ts = &threadstats[j];
1235
Yu-ju Hong83349192011-08-13 00:53:44 +02001236 ts->clat_percentiles = td->o.clat_percentiles;
Vincent Kang Fu435d1952013-02-06 08:43:40 +01001237 ts->percentile_precision = td->o.percentile_precision;
Vincent Kang Fufd112d32013-02-02 09:28:55 +01001238 memcpy(ts->percentile_list, td->o.percentile_list, sizeof(td->o.percentile_list));
Yu-ju Hong83349192011-08-13 00:53:44 +02001239
Jens Axboe197574e2007-03-08 15:35:11 +01001240 idx++;
Jens Axboe6586ee82007-03-06 19:46:09 +01001241 ts->members++;
Jens Axboe756867b2007-03-06 15:19:24 +01001242
Jens Axboe7abd0e32007-03-12 15:24:43 +01001243 if (ts->groupid == -1) {
Jens Axboe2dc84ba2007-03-06 15:46:33 +01001244 /*
1245 * These are per-group shared already
1246 */
Jens Axboe4e59d0f2014-03-14 08:41:39 -06001247 strncpy(ts->name, td->o.name, FIO_JOBNAME_SIZE - 1);
Jens Axboea64e88d2011-10-03 14:20:01 +02001248 if (td->o.description)
1249 strncpy(ts->description, td->o.description,
Jens Axboe4e59d0f2014-03-14 08:41:39 -06001250 FIO_JOBDESC_SIZE - 1);
Jens Axboea64e88d2011-10-03 14:20:01 +02001251 else
Jens Axboe4e59d0f2014-03-14 08:41:39 -06001252 memset(ts->description, 0, FIO_JOBDESC_SIZE);
Jens Axboea64e88d2011-10-03 14:20:01 +02001253
Jens Axboe2f122b12012-03-15 13:10:19 +01001254 /*
1255 * If multiple entries in this group, this is
1256 * the first member.
1257 */
1258 ts->thread_number = td->thread_number;
Jens Axboe756867b2007-03-06 15:19:24 +01001259 ts->groupid = td->groupid;
Jens Axboe2dc84ba2007-03-06 15:46:33 +01001260
1261 /*
1262 * first pid in group, not very useful...
1263 */
Jens Axboe756867b2007-03-06 15:19:24 +01001264 ts->pid = td->pid;
Jens Axboe90fef2d2009-07-17 22:33:32 +02001265
1266 ts->kb_base = td->o.kb_base;
Steven Noonanad705bc2013-04-08 15:05:25 -07001267 ts->unit_base = td->o.unit_base;
Jens Axboe771e58b2013-01-30 12:56:23 +01001268 ts->unified_rw_rep = td->o.unified_rw_rep;
Jens Axboe90fef2d2009-07-17 22:33:32 +02001269 } else if (ts->kb_base != td->o.kb_base && !kb_base_warned) {
1270 log_info("fio: kb_base differs for jobs in group, using"
1271 " %u as the base\n", ts->kb_base);
1272 kb_base_warned = 1;
Steven Noonanad705bc2013-04-08 15:05:25 -07001273 } else if (ts->unit_base != td->o.unit_base && !unit_base_warned) {
1274 log_info("fio: unit_base differs for jobs in group, using"
1275 " %u as the base\n", ts->unit_base);
1276 unit_base_warned = 1;
Jens Axboe2dc84ba2007-03-06 15:46:33 +01001277 }
1278
Radha Ramachandranf2bba182009-06-15 08:40:16 +02001279 ts->continue_on_error = td->o.continue_on_error;
1280 ts->total_err_count += td->total_err_count;
1281 ts->first_error = td->first_error;
1282 if (!ts->error) {
1283 if (!td->error && td->o.continue_on_error &&
1284 td->first_error) {
1285 ts->error = td->first_error;
Jens Axboe3660cea2014-04-15 08:18:08 -06001286 ts->verror[sizeof(ts->verror) - 1] = '\0';
1287 strncpy(ts->verror, td->verror, sizeof(ts->verror) - 1);
Radha Ramachandranf2bba182009-06-15 08:40:16 +02001288 } else if (td->error) {
1289 ts->error = td->error;
Jens Axboe3660cea2014-04-15 08:18:08 -06001290 ts->verror[sizeof(ts->verror) - 1] = '\0';
1291 strncpy(ts->verror, td->verror, sizeof(ts->verror) - 1);
Radha Ramachandranf2bba182009-06-15 08:40:16 +02001292 }
Jens Axboe756867b2007-03-06 15:19:24 +01001293 }
1294
Jens Axboe3e260a42013-12-09 12:38:53 -07001295 ts->latency_depth = td->latency_qd;
1296 ts->latency_target = td->o.latency_target;
1297 ts->latency_percentile = td->o.latency_percentile;
1298 ts->latency_window = td->o.latency_window;
1299
Jens Axboe5b9babb2011-10-10 12:14:30 +02001300 sum_thread_stats(ts, &td->ts, idx);
Jens Axboe756867b2007-03-06 15:19:24 +01001301 }
1302
1303 for (i = 0; i < nr_ts; i++) {
Jens Axboe94370ac2007-03-08 15:28:10 +01001304 unsigned long long bw;
Jens Axboe3c39a372006-06-06 20:56:12 +02001305
Jens Axboe756867b2007-03-06 15:19:24 +01001306 ts = &threadstats[i];
1307 rs = &runstats[ts->groupid];
Jens Axboe90fef2d2009-07-17 22:33:32 +02001308 rs->kb_base = ts->kb_base;
Steven Noonanad705bc2013-04-08 15:05:25 -07001309 rs->unit_base = ts->unit_base;
Jens Axboe771e58b2013-01-30 12:56:23 +01001310 rs->unified_rw_rep += ts->unified_rw_rep;
Jens Axboe3c39a372006-06-06 20:56:12 +02001311
Shaohua Li6eaf09d2012-09-14 08:49:43 +02001312 for (j = 0; j < DDIR_RWDIR_CNT; j++) {
Jens Axboe94370ac2007-03-08 15:28:10 +01001313 if (!ts->runtime[j])
1314 continue;
1315 if (ts->runtime[j] < rs->min_run[j] || !rs->min_run[j])
1316 rs->min_run[j] = ts->runtime[j];
1317 if (ts->runtime[j] > rs->max_run[j])
1318 rs->max_run[j] = ts->runtime[j];
Jens Axboe3c39a372006-06-06 20:56:12 +02001319
Jens Axboe94370ac2007-03-08 15:28:10 +01001320 bw = 0;
Jens Axboe8879fd12009-04-20 10:06:02 +02001321 if (ts->runtime[j]) {
Jens Axboec857cfe2012-04-05 08:42:11 -06001322 unsigned long runt = ts->runtime[j];
1323 unsigned long long kb;
Jens Axboe8879fd12009-04-20 10:06:02 +02001324
Jens Axboec857cfe2012-04-05 08:42:11 -06001325 kb = ts->io_bytes[j] / rs->kb_base;
1326 bw = kb * 1000 / runt;
Jens Axboe8879fd12009-04-20 10:06:02 +02001327 }
Jens Axboe94370ac2007-03-08 15:28:10 +01001328 if (bw < rs->min_bw[j])
1329 rs->min_bw[j] = bw;
1330 if (bw > rs->max_bw[j])
1331 rs->max_bw[j] = bw;
Jens Axboe3c39a372006-06-06 20:56:12 +02001332
Jens Axboe90fef2d2009-07-17 22:33:32 +02001333 rs->io_kb[j] += ts->io_bytes[j] / rs->kb_base;
Jens Axboe94370ac2007-03-08 15:28:10 +01001334 }
Jens Axboe3c39a372006-06-06 20:56:12 +02001335 }
1336
1337 for (i = 0; i < groupid + 1; i++) {
Shaohua Li6eaf09d2012-09-14 08:49:43 +02001338 int ddir;
1339
Jens Axboe3c39a372006-06-06 20:56:12 +02001340 rs = &runstats[i];
1341
Shaohua Li6eaf09d2012-09-14 08:49:43 +02001342 for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++) {
1343 if (rs->max_run[ddir])
1344 rs->agg[ddir] = (rs->io_kb[ddir] * 1000) /
1345 rs->max_run[ddir];
1346 }
Jens Axboe3c39a372006-06-06 20:56:12 +02001347 }
1348
1349 /*
1350 * don't overwrite last signal output
1351 */
Jens Axboef3afa572012-09-17 13:34:16 +02001352 if (output_format == FIO_OUTPUT_NORMAL)
Jens Axboe4ceb30d2010-02-24 09:19:14 +01001353 log_info("\n");
Jens Axboef3afa572012-09-17 13:34:16 +02001354 else if (output_format == FIO_OUTPUT_JSON) {
Shaohua Licc372b12012-09-17 09:12:18 +02001355 root = json_create_object();
1356 json_object_add_value_string(root, "fio version", fio_version_string);
1357 array = json_create_array();
1358 json_object_add_value_array(root, "jobs", array);
1359 }
Jens Axboe3c39a372006-06-06 20:56:12 +02001360
Jens Axboe756867b2007-03-06 15:19:24 +01001361 for (i = 0; i < nr_ts; i++) {
1362 ts = &threadstats[i];
1363 rs = &runstats[ts->groupid];
Jens Axboe3c39a372006-06-06 20:56:12 +02001364
Jens Axboea64e88d2011-10-03 14:20:01 +02001365 if (is_backend)
1366 fio_server_send_ts(ts, rs);
Jens Axboef3afa572012-09-17 13:34:16 +02001367 else if (output_format == FIO_OUTPUT_TERSE)
Jens Axboe756867b2007-03-06 15:19:24 +01001368 show_thread_status_terse(ts, rs);
Jens Axboef3afa572012-09-17 13:34:16 +02001369 else if (output_format == FIO_OUTPUT_JSON) {
1370 struct json_object *tmp = show_thread_status_json(ts, rs);
1371 json_array_add_value_object(array, tmp);
Shaohua Licc372b12012-09-17 09:12:18 +02001372 } else
Castor Fu952b05e2013-10-31 11:00:34 -06001373 show_thread_status_normal(ts, rs);
Jens Axboe3c39a372006-06-06 20:56:12 +02001374 }
Jens Axboef3afa572012-09-17 13:34:16 +02001375 if (output_format == FIO_OUTPUT_JSON) {
Shaohua Licc372b12012-09-17 09:12:18 +02001376 /* disk util stats, if any */
1377 show_disk_util(1, root);
1378
Huadong Liuf2a2ce02013-01-30 13:22:24 +01001379 show_idle_prof_stats(FIO_OUTPUT_JSON, root);
1380
Shaohua Licc372b12012-09-17 09:12:18 +02001381 json_print_object(root);
1382 log_info("\n");
1383 json_free_object(root);
1384 }
Jens Axboe3c39a372006-06-06 20:56:12 +02001385
Jens Axboe72c27ff2011-10-16 11:50:31 +02001386 for (i = 0; i < groupid + 1; i++) {
1387 rs = &runstats[i];
Jens Axboea64e88d2011-10-03 14:20:01 +02001388
Jens Axboe72c27ff2011-10-16 11:50:31 +02001389 rs->groupid = i;
Jens Axboed09a64a2011-10-13 11:38:56 +02001390 if (is_backend)
Jens Axboe72c27ff2011-10-16 11:50:31 +02001391 fio_server_send_gs(rs);
Jens Axboef3afa572012-09-17 13:34:16 +02001392 else if (output_format == FIO_OUTPUT_NORMAL)
Jens Axboe72c27ff2011-10-16 11:50:31 +02001393 show_group_stats(rs);
Jens Axboec6ae0a52006-06-12 11:04:44 +02001394 }
Jens Axboeeecf2722006-10-20 14:00:36 +02001395
Jens Axboe72c27ff2011-10-16 11:50:31 +02001396 if (is_backend)
1397 fio_server_send_du();
Huadong Liu60904002013-02-21 10:24:20 +01001398 else if (output_format == FIO_OUTPUT_NORMAL) {
Shaohua Licc372b12012-09-17 09:12:18 +02001399 show_disk_util(0, NULL);
Huadong Liu60904002013-02-21 10:24:20 +01001400 show_idle_prof_stats(FIO_OUTPUT_NORMAL, NULL);
1401 }
Huadong Liuf2a2ce02013-01-30 13:22:24 +01001402
Christian Ehrhardt2b8c71b2014-02-20 14:20:04 +01001403 if ( !(output_format == FIO_OUTPUT_TERSE) && append_terse_output) {
1404 log_info("\nAdditional Terse Output:\n");
1405
1406 for (i = 0; i < nr_ts; i++) {
1407 ts = &threadstats[i];
1408 rs = &runstats[ts->groupid];
1409 show_thread_status_terse(ts, rs);
1410 }
1411 }
1412
Vincent Kang Fufdd5f152013-04-26 16:56:01 -06001413 log_info_flush();
Jens Axboeeecf2722006-10-20 14:00:36 +02001414 free(runstats);
Jens Axboe756867b2007-03-06 15:19:24 +01001415 free(threadstats);
Jens Axboe3c39a372006-06-06 20:56:12 +02001416}
1417
Jens Axboecef91752013-04-26 17:05:57 -06001418void show_run_stats(void)
1419{
1420 fio_mutex_down(stat_mutex);
1421 __show_run_stats();
1422 fio_mutex_up(stat_mutex);
1423}
1424
Jens Axboe7fe36312014-10-23 23:16:50 -06001425void __show_running_run_stats(void)
Jens Axboeb852e7c2012-03-30 10:30:35 +02001426{
1427 struct thread_data *td;
1428 unsigned long long *rt;
1429 struct timeval tv;
1430 int i;
1431
Jens Axboe560f4612014-07-21 11:32:13 +02001432 fio_mutex_down(stat_mutex);
1433
Jens Axboeb852e7c2012-03-30 10:30:35 +02001434 rt = malloc(thread_number * sizeof(unsigned long long));
1435 fio_gettime(&tv, NULL);
1436
1437 for_each_td(td, i) {
1438 rt[i] = mtime_since(&td->start, &tv);
1439 if (td_read(td) && td->io_bytes[DDIR_READ])
1440 td->ts.runtime[DDIR_READ] += rt[i];
1441 if (td_write(td) && td->io_bytes[DDIR_WRITE])
1442 td->ts.runtime[DDIR_WRITE] += rt[i];
Shaohua Li6eaf09d2012-09-14 08:49:43 +02001443 if (td_trim(td) && td->io_bytes[DDIR_TRIM])
1444 td->ts.runtime[DDIR_TRIM] += rt[i];
Jens Axboeb852e7c2012-03-30 10:30:35 +02001445
Jens Axboec97f1ad2013-03-28 15:08:49 -06001446 td->update_rusage = 1;
Shaohua Li6eaf09d2012-09-14 08:49:43 +02001447 td->ts.io_bytes[DDIR_READ] = td->io_bytes[DDIR_READ];
1448 td->ts.io_bytes[DDIR_WRITE] = td->io_bytes[DDIR_WRITE];
1449 td->ts.io_bytes[DDIR_TRIM] = td->io_bytes[DDIR_TRIM];
Jens Axboeb852e7c2012-03-30 10:30:35 +02001450 td->ts.total_run_time = mtime_since(&td->epoch, &tv);
1451 }
1452
Jens Axboec97f1ad2013-03-28 15:08:49 -06001453 for_each_td(td, i) {
Jens Axboe04247862014-10-23 23:04:37 -06001454 if (td->runstate >= TD_EXITED)
1455 continue;
Jens Axboec97f1ad2013-03-28 15:08:49 -06001456 if (td->rusage_sem) {
1457 td->update_rusage = 1;
1458 fio_mutex_down(td->rusage_sem);
1459 }
1460 td->update_rusage = 0;
1461 }
1462
Jens Axboecef91752013-04-26 17:05:57 -06001463 __show_run_stats();
Jens Axboeb852e7c2012-03-30 10:30:35 +02001464
1465 for_each_td(td, i) {
1466 if (td_read(td) && td->io_bytes[DDIR_READ])
1467 td->ts.runtime[DDIR_READ] -= rt[i];
1468 if (td_write(td) && td->io_bytes[DDIR_WRITE])
1469 td->ts.runtime[DDIR_WRITE] -= rt[i];
Shaohua Li6eaf09d2012-09-14 08:49:43 +02001470 if (td_trim(td) && td->io_bytes[DDIR_TRIM])
1471 td->ts.runtime[DDIR_TRIM] -= rt[i];
Jens Axboeb852e7c2012-03-30 10:30:35 +02001472 }
1473
1474 free(rt);
Jens Axboecef91752013-04-26 17:05:57 -06001475 fio_mutex_up(stat_mutex);
Jens Axboeb852e7c2012-03-30 10:30:35 +02001476}
1477
Jens Axboe06464902013-04-24 20:38:54 -06001478static int status_interval_init;
1479static struct timeval status_time;
Jens Axboe77d99672014-03-13 08:49:28 -06001480static int status_file_disabled;
Jens Axboe06464902013-04-24 20:38:54 -06001481
Jens Axboedac45f22014-03-12 13:40:09 -06001482#define FIO_STATUS_FILE "fio-dump-status"
Jens Axboe06464902013-04-24 20:38:54 -06001483
1484static int check_status_file(void)
1485{
1486 struct stat sb;
Bruce Crana0bafb72013-04-28 17:34:15 +02001487 const char *temp_dir;
1488 char fio_status_file_path[PATH_MAX];
Jens Axboe06464902013-04-24 20:38:54 -06001489
Jens Axboe77d99672014-03-13 08:49:28 -06001490 if (status_file_disabled)
1491 return 0;
1492
Bruce Crana0bafb72013-04-28 17:34:15 +02001493 temp_dir = getenv("TMPDIR");
Jens Axboe48b16e22014-04-14 08:23:23 -06001494 if (temp_dir == NULL) {
Bruce Crana0bafb72013-04-28 17:34:15 +02001495 temp_dir = getenv("TEMP");
Jens Axboe48b16e22014-04-14 08:23:23 -06001496 if (temp_dir && strlen(temp_dir) >= PATH_MAX)
1497 temp_dir = NULL;
1498 }
Bruce Crana0bafb72013-04-28 17:34:15 +02001499 if (temp_dir == NULL)
1500 temp_dir = "/tmp";
1501
1502 snprintf(fio_status_file_path, sizeof(fio_status_file_path), "%s/%s", temp_dir, FIO_STATUS_FILE);
1503
1504 if (stat(fio_status_file_path, &sb))
Jens Axboe06464902013-04-24 20:38:54 -06001505 return 0;
1506
Jens Axboe77d99672014-03-13 08:49:28 -06001507 if (unlink(fio_status_file_path) < 0) {
1508 log_err("fio: failed to unlink %s: %s\n", fio_status_file_path,
1509 strerror(errno));
1510 log_err("fio: disabling status file updates\n");
1511 status_file_disabled = 1;
1512 }
1513
Jens Axboe06464902013-04-24 20:38:54 -06001514 return 1;
1515}
1516
1517void check_for_running_stats(void)
1518{
1519 if (status_interval) {
1520 if (!status_interval_init) {
1521 fio_gettime(&status_time, NULL);
1522 status_interval_init = 1;
1523 } else if (mtime_since_now(&status_time) >= status_interval) {
1524 show_running_run_stats();
1525 fio_gettime(&status_time, NULL);
1526 return;
1527 }
1528 }
1529 if (check_status_file()) {
1530 show_running_run_stats();
1531 return;
1532 }
1533}
1534
Jens Axboe68704082007-01-10 19:56:37 +01001535static inline void add_stat_sample(struct io_stat *is, unsigned long data)
Jens Axboe3c39a372006-06-06 20:56:12 +02001536{
Jens Axboe68704082007-01-10 19:56:37 +01001537 double val = data;
Jens Axboe6660cc62007-03-06 15:48:38 +01001538 double delta;
Jens Axboe3c39a372006-06-06 20:56:12 +02001539
Jens Axboe68704082007-01-10 19:56:37 +01001540 if (data > is->max_val)
1541 is->max_val = data;
1542 if (data < is->min_val)
1543 is->min_val = data;
1544
Jens Axboe802ad4a2011-10-05 09:51:58 +02001545 delta = val - is->mean.u.f;
Jens Axboeef11d732007-03-29 15:36:29 +02001546 if (delta) {
Jens Axboe802ad4a2011-10-05 09:51:58 +02001547 is->mean.u.f += delta / (is->samples + 1.0);
1548 is->S.u.f += delta * (val - is->mean.u.f);
Jens Axboeef11d732007-03-29 15:36:29 +02001549 }
Jens Axboe68704082007-01-10 19:56:37 +01001550
Jens Axboe3c39a372006-06-06 20:56:12 +02001551 is->samples++;
1552}
1553
Jens Axboebb3884d2007-01-17 17:23:11 +11001554static void __add_log_sample(struct io_log *iolog, unsigned long val,
Jens Axboe306ddc92009-05-18 13:08:12 +02001555 enum fio_ddir ddir, unsigned int bs,
Jens Axboeccefd5f2014-06-30 20:59:03 -06001556 unsigned long t, uint64_t offset)
Jens Axboe3c39a372006-06-06 20:56:12 +02001557{
Jens Axboe38a812d2014-07-03 09:10:39 -06001558 uint64_t nr_samples = iolog->nr_samples;
Jens Axboeccefd5f2014-06-30 20:59:03 -06001559 struct io_sample *s;
Jens Axboe306ddc92009-05-18 13:08:12 +02001560
Jens Axboe3c568232013-09-30 12:17:34 -06001561 if (iolog->disabled)
1562 return;
1563
Jens Axboeb8bc8cb2011-12-01 09:04:31 +01001564 if (!iolog->nr_samples)
1565 iolog->avg_last = t;
1566
Jens Axboe3c39a372006-06-06 20:56:12 +02001567 if (iolog->nr_samples == iolog->max_samples) {
Jens Axboeccefd5f2014-06-30 20:59:03 -06001568 size_t new_size;
Jens Axboe3c568232013-09-30 12:17:34 -06001569 void *new_log;
Jens Axboe3c39a372006-06-06 20:56:12 +02001570
Jens Axboeccefd5f2014-06-30 20:59:03 -06001571 new_size = 2 * iolog->max_samples * log_entry_sz(iolog);
Jens Axboe38a812d2014-07-03 09:10:39 -06001572
1573 if (iolog->log_gz && (new_size > iolog->log_gz)) {
1574 if (iolog_flush(iolog, 0)) {
1575 log_err("fio: failed flushing iolog! Will stop logging.\n");
1576 iolog->disabled = 1;
1577 return;
1578 }
1579 nr_samples = iolog->nr_samples;
1580 } else {
1581 new_log = realloc(iolog->log, new_size);
1582 if (!new_log) {
1583 log_err("fio: failed extending iolog! Will stop logging.\n");
1584 iolog->disabled = 1;
1585 return;
1586 }
1587 iolog->log = new_log;
1588 iolog->max_samples <<= 1;
Jens Axboe3c568232013-09-30 12:17:34 -06001589 }
Jens Axboe3c39a372006-06-06 20:56:12 +02001590 }
1591
Jens Axboeccefd5f2014-06-30 20:59:03 -06001592 s = get_sample(iolog, nr_samples);
1593
1594 s->val = val;
1595 s->time = t;
Jens Axboebac4af12014-07-03 13:42:28 -06001596 io_sample_set_ddir(iolog, s, ddir);
Jens Axboeccefd5f2014-06-30 20:59:03 -06001597 s->bs = bs;
1598
1599 if (iolog->log_offset) {
1600 struct io_sample_offset *so = (void *) s;
1601
1602 so->offset = offset;
1603 }
1604
Jens Axboe3c39a372006-06-06 20:56:12 +02001605 iolog->nr_samples++;
1606}
1607
Jens Axboe7fb28d32011-12-01 15:17:24 +01001608static inline void reset_io_stat(struct io_stat *ios)
1609{
1610 ios->max_val = ios->min_val = ios->samples = 0;
1611 ios->mean.u.f = ios->S.u.f = 0;
1612}
1613
Jens Axboe6bb58212014-02-21 13:55:31 -08001614void reset_io_stats(struct thread_data *td)
1615{
1616 struct thread_stat *ts = &td->ts;
1617 int i, j;
1618
1619 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
1620 reset_io_stat(&ts->clat_stat[i]);
1621 reset_io_stat(&ts->slat_stat[i]);
1622 reset_io_stat(&ts->lat_stat[i]);
1623 reset_io_stat(&ts->bw_stat[i]);
1624 reset_io_stat(&ts->iops_stat[i]);
1625
1626 ts->io_bytes[i] = 0;
1627 ts->runtime[i] = 0;
1628
1629 for (j = 0; j < FIO_IO_U_PLAT_NR; j++)
1630 ts->io_u_plat[i][j] = 0;
1631 }
1632
1633 for (i = 0; i < FIO_IO_U_MAP_NR; i++) {
1634 ts->io_u_map[i] = 0;
1635 ts->io_u_submit[i] = 0;
1636 ts->io_u_complete[i] = 0;
1637 ts->io_u_lat_u[i] = 0;
1638 ts->io_u_lat_m[i] = 0;
1639 ts->total_submit = 0;
1640 ts->total_complete = 0;
1641 }
1642
1643 for (i = 0; i < 3; i++) {
1644 ts->total_io_u[i] = 0;
1645 ts->short_io_u[i] = 0;
Jens Axboe67e149c2014-10-09 13:27:44 -06001646 ts->drop_io_u[i] = 0;
Jens Axboe6bb58212014-02-21 13:55:31 -08001647 }
1648}
1649
Peter Oberparleiter99007062014-02-20 14:20:05 +01001650static void _add_stat_to_log(struct io_log *iolog, unsigned long elapsed)
1651{
1652 /*
1653 * Note an entry in the log. Use the mean from the logged samples,
1654 * making sure to properly round up. Only write a log entry if we
1655 * had actual samples done.
1656 */
1657 if (iolog->avg_window[DDIR_READ].samples) {
1658 unsigned long mr;
1659
1660 mr = iolog->avg_window[DDIR_READ].mean.u.f + 0.50;
Jens Axboeccefd5f2014-06-30 20:59:03 -06001661 __add_log_sample(iolog, mr, DDIR_READ, 0, elapsed, 0);
Peter Oberparleiter99007062014-02-20 14:20:05 +01001662 }
1663 if (iolog->avg_window[DDIR_WRITE].samples) {
1664 unsigned long mw;
1665
1666 mw = iolog->avg_window[DDIR_WRITE].mean.u.f + 0.50;
Jens Axboeccefd5f2014-06-30 20:59:03 -06001667 __add_log_sample(iolog, mw, DDIR_WRITE, 0, elapsed, 0);
Peter Oberparleiter99007062014-02-20 14:20:05 +01001668 }
1669 if (iolog->avg_window[DDIR_TRIM].samples) {
1670 unsigned long mw;
1671
1672 mw = iolog->avg_window[DDIR_TRIM].mean.u.f + 0.50;
Jens Axboeccefd5f2014-06-30 20:59:03 -06001673 __add_log_sample(iolog, mw, DDIR_TRIM, 0, elapsed, 0);
Peter Oberparleiter99007062014-02-20 14:20:05 +01001674 }
1675
1676 reset_io_stat(&iolog->avg_window[DDIR_READ]);
1677 reset_io_stat(&iolog->avg_window[DDIR_WRITE]);
1678 reset_io_stat(&iolog->avg_window[DDIR_TRIM]);
1679}
1680
Jens Axboebb3884d2007-01-17 17:23:11 +11001681static void add_log_sample(struct thread_data *td, struct io_log *iolog,
Jens Axboe306ddc92009-05-18 13:08:12 +02001682 unsigned long val, enum fio_ddir ddir,
Jens Axboeccefd5f2014-06-30 20:59:03 -06001683 unsigned int bs, uint64_t offset)
Jens Axboebb3884d2007-01-17 17:23:11 +11001684{
Jens Axboe7fb28d32011-12-01 15:17:24 +01001685 unsigned long elapsed, this_window;
Jens Axboeb8bc8cb2011-12-01 09:04:31 +01001686
Jens Axboeff58fce2010-08-25 12:02:08 +02001687 if (!ddir_rw(ddir))
1688 return;
1689
Jens Axboeb8bc8cb2011-12-01 09:04:31 +01001690 elapsed = mtime_since_now(&td->epoch);
1691
1692 /*
1693 * If no time averaging, just add the log sample.
1694 */
1695 if (!iolog->avg_msec) {
Jens Axboeccefd5f2014-06-30 20:59:03 -06001696 __add_log_sample(iolog, val, ddir, bs, elapsed, offset);
Jens Axboeb8bc8cb2011-12-01 09:04:31 +01001697 return;
1698 }
1699
1700 /*
1701 * Add the sample. If the time period has passed, then
1702 * add that entry to the log and clear.
1703 */
1704 add_stat_sample(&iolog->avg_window[ddir], val);
1705
Jens Axboe7fb28d32011-12-01 15:17:24 +01001706 /*
1707 * If period hasn't passed, adding the above sample is all we
1708 * need to do.
1709 */
Jens Axboeb8bc8cb2011-12-01 09:04:31 +01001710 this_window = elapsed - iolog->avg_last;
1711 if (this_window < iolog->avg_msec)
1712 return;
1713
Peter Oberparleiter99007062014-02-20 14:20:05 +01001714 _add_stat_to_log(iolog, elapsed);
Jens Axboeb8bc8cb2011-12-01 09:04:31 +01001715
Jens Axboeb8bc8cb2011-12-01 09:04:31 +01001716 iolog->avg_last = elapsed;
Jens Axboebb3884d2007-01-17 17:23:11 +11001717}
1718
Peter Oberparleiter99007062014-02-20 14:20:05 +01001719void finalize_logs(struct thread_data *td)
1720{
1721 unsigned long elapsed;
1722
1723 elapsed = mtime_since_now(&td->epoch);
1724
1725 if (td->clat_log)
1726 _add_stat_to_log(td->clat_log, elapsed);
1727 if (td->slat_log)
1728 _add_stat_to_log(td->slat_log, elapsed);
1729 if (td->lat_log)
1730 _add_stat_to_log(td->lat_log, elapsed);
1731 if (td->bw_log)
1732 _add_stat_to_log(td->bw_log, elapsed);
1733 if (td->iops_log)
1734 _add_stat_to_log(td->iops_log, elapsed);
1735}
1736
Jens Axboe306ddc92009-05-18 13:08:12 +02001737void add_agg_sample(unsigned long val, enum fio_ddir ddir, unsigned int bs)
Jens Axboebb3884d2007-01-17 17:23:11 +11001738{
Jens Axboeff58fce2010-08-25 12:02:08 +02001739 struct io_log *iolog;
Jens Axboebb3884d2007-01-17 17:23:11 +11001740
Jens Axboeff58fce2010-08-25 12:02:08 +02001741 if (!ddir_rw(ddir))
1742 return;
1743
1744 iolog = agg_io_log[ddir];
Jens Axboeccefd5f2014-06-30 20:59:03 -06001745 __add_log_sample(iolog, val, ddir, bs, mtime_since_genesis(), 0);
Jens Axboebb3884d2007-01-17 17:23:11 +11001746}
1747
Yu-ju Hong83349192011-08-13 00:53:44 +02001748static void add_clat_percentile_sample(struct thread_stat *ts,
1749 unsigned long usec, enum fio_ddir ddir)
1750{
1751 unsigned int idx = plat_val_to_idx(usec);
1752 assert(idx < FIO_IO_U_PLAT_NR);
1753
1754 ts->io_u_plat[ddir][idx]++;
1755}
1756
Jens Axboe1e97cce2006-12-05 11:44:16 +01001757void add_clat_sample(struct thread_data *td, enum fio_ddir ddir,
Jens Axboeccefd5f2014-06-30 20:59:03 -06001758 unsigned long usec, unsigned int bs, uint64_t offset)
Jens Axboe3c39a372006-06-06 20:56:12 +02001759{
Jens Axboe756867b2007-03-06 15:19:24 +01001760 struct thread_stat *ts = &td->ts;
Jens Axboe3c39a372006-06-06 20:56:12 +02001761
Jens Axboeff58fce2010-08-25 12:02:08 +02001762 if (!ddir_rw(ddir))
1763 return;
1764
Jens Axboed85f5112007-06-18 09:41:23 +02001765 add_stat_sample(&ts->clat_stat[ddir], usec);
Jens Axboe079ad092007-02-20 13:58:20 +01001766
Jens Axboe7b9f7332011-10-03 10:06:44 +02001767 if (td->clat_log)
Jens Axboeccefd5f2014-06-30 20:59:03 -06001768 add_log_sample(td, td->clat_log, usec, ddir, bs, offset);
Yu-ju Hong83349192011-08-13 00:53:44 +02001769
1770 if (ts->clat_percentiles)
1771 add_clat_percentile_sample(ts, usec, ddir);
Jens Axboe3c39a372006-06-06 20:56:12 +02001772}
1773
Jens Axboe1e97cce2006-12-05 11:44:16 +01001774void add_slat_sample(struct thread_data *td, enum fio_ddir ddir,
Jens Axboeccefd5f2014-06-30 20:59:03 -06001775 unsigned long usec, unsigned int bs, uint64_t offset)
Jens Axboe3c39a372006-06-06 20:56:12 +02001776{
Jens Axboe756867b2007-03-06 15:19:24 +01001777 struct thread_stat *ts = &td->ts;
Jens Axboe3c39a372006-06-06 20:56:12 +02001778
Jens Axboeff58fce2010-08-25 12:02:08 +02001779 if (!ddir_rw(ddir))
1780 return;
1781
Jens Axboed85f5112007-06-18 09:41:23 +02001782 add_stat_sample(&ts->slat_stat[ddir], usec);
Jens Axboe079ad092007-02-20 13:58:20 +01001783
Jens Axboe7b9f7332011-10-03 10:06:44 +02001784 if (td->slat_log)
Jens Axboeccefd5f2014-06-30 20:59:03 -06001785 add_log_sample(td, td->slat_log, usec, ddir, bs, offset);
Jens Axboe3c39a372006-06-06 20:56:12 +02001786}
1787
Jens Axboe02af0982010-06-24 09:59:34 +02001788void add_lat_sample(struct thread_data *td, enum fio_ddir ddir,
Jens Axboeccefd5f2014-06-30 20:59:03 -06001789 unsigned long usec, unsigned int bs, uint64_t offset)
Jens Axboe02af0982010-06-24 09:59:34 +02001790{
1791 struct thread_stat *ts = &td->ts;
1792
Jens Axboeff58fce2010-08-25 12:02:08 +02001793 if (!ddir_rw(ddir))
1794 return;
1795
Jens Axboe02af0982010-06-24 09:59:34 +02001796 add_stat_sample(&ts->lat_stat[ddir], usec);
1797
Jens Axboe7b9f7332011-10-03 10:06:44 +02001798 if (td->lat_log)
Jens Axboeccefd5f2014-06-30 20:59:03 -06001799 add_log_sample(td, td->lat_log, usec, ddir, bs, offset);
Jens Axboe02af0982010-06-24 09:59:34 +02001800}
1801
Jens Axboe306ddc92009-05-18 13:08:12 +02001802void add_bw_sample(struct thread_data *td, enum fio_ddir ddir, unsigned int bs,
Jens Axboe1e97cce2006-12-05 11:44:16 +01001803 struct timeval *t)
Jens Axboe3c39a372006-06-06 20:56:12 +02001804{
Jens Axboe756867b2007-03-06 15:19:24 +01001805 struct thread_stat *ts = &td->ts;
Jens Axboeff58fce2010-08-25 12:02:08 +02001806 unsigned long spent, rate;
Jens Axboe3c39a372006-06-06 20:56:12 +02001807
Jens Axboeff58fce2010-08-25 12:02:08 +02001808 if (!ddir_rw(ddir))
1809 return;
1810
Jens Axboec8eeb9d2011-10-05 14:02:22 +02001811 spent = mtime_since(&td->bw_sample_time, t);
Jens Axboe2dc1bbe2007-03-15 15:01:33 +01001812 if (spent < td->o.bw_avg_time)
Jens Axboe3c39a372006-06-06 20:56:12 +02001813 return;
Jens Axboe9602d8d2012-02-20 20:19:28 +01001814
1815 /*
Josh Carter5daa4eb2012-02-20 10:12:22 +01001816 * Compute both read and write rates for the interval.
1817 */
Shaohua Li6eaf09d2012-09-14 08:49:43 +02001818 for (ddir = DDIR_READ; ddir < DDIR_RWDIR_CNT; ddir++) {
Josh Carter5daa4eb2012-02-20 10:12:22 +01001819 uint64_t delta;
Jens Axboe3c39a372006-06-06 20:56:12 +02001820
Josh Carter5daa4eb2012-02-20 10:12:22 +01001821 delta = td->this_io_bytes[ddir] - td->stat_io_bytes[ddir];
1822 if (!delta)
1823 continue; /* No entries for interval */
Jens Axboe3c39a372006-06-06 20:56:12 +02001824
Jens Axboe09562642014-04-14 09:49:38 -06001825 if (spent)
1826 rate = delta * 1000 / spent / 1024;
1827 else
1828 rate = 0;
1829
Josh Carter5daa4eb2012-02-20 10:12:22 +01001830 add_stat_sample(&ts->bw_stat[ddir], rate);
1831
1832 if (td->bw_log)
Jens Axboeccefd5f2014-06-30 20:59:03 -06001833 add_log_sample(td, td->bw_log, rate, ddir, bs, 0);
Josh Carter5daa4eb2012-02-20 10:12:22 +01001834
1835 td->stat_io_bytes[ddir] = td->this_io_bytes[ddir];
1836 }
Jens Axboe3c39a372006-06-06 20:56:12 +02001837
Jens Axboec8eeb9d2011-10-05 14:02:22 +02001838 fio_gettime(&td->bw_sample_time, NULL);
Jens Axboe3c39a372006-06-06 20:56:12 +02001839}
Jens Axboec8eeb9d2011-10-05 14:02:22 +02001840
Erwan Velu9b7e6002013-08-02 16:39:40 +02001841void add_iops_sample(struct thread_data *td, enum fio_ddir ddir, unsigned int bs,
Jens Axboec8eeb9d2011-10-05 14:02:22 +02001842 struct timeval *t)
1843{
1844 struct thread_stat *ts = &td->ts;
1845 unsigned long spent, iops;
1846
1847 if (!ddir_rw(ddir))
1848 return;
1849
1850 spent = mtime_since(&td->iops_sample_time, t);
1851 if (spent < td->o.iops_avg_time)
1852 return;
1853
Jens Axboe9602d8d2012-02-20 20:19:28 +01001854 /*
1855 * Compute both read and write rates for the interval.
1856 */
Shaohua Li6eaf09d2012-09-14 08:49:43 +02001857 for (ddir = DDIR_READ; ddir < DDIR_RWDIR_CNT; ddir++) {
Jens Axboe9602d8d2012-02-20 20:19:28 +01001858 uint64_t delta;
Jens Axboec8eeb9d2011-10-05 14:02:22 +02001859
Jens Axboe9602d8d2012-02-20 20:19:28 +01001860 delta = td->this_io_blocks[ddir] - td->stat_io_blocks[ddir];
1861 if (!delta)
1862 continue; /* No entries for interval */
Jens Axboec8eeb9d2011-10-05 14:02:22 +02001863
Jens Axboe09562642014-04-14 09:49:38 -06001864 if (spent)
1865 iops = (delta * 1000) / spent;
1866 else
1867 iops = 0;
1868
Jens Axboe9602d8d2012-02-20 20:19:28 +01001869 add_stat_sample(&ts->iops_stat[ddir], iops);
1870
1871 if (td->iops_log)
Jens Axboeccefd5f2014-06-30 20:59:03 -06001872 add_log_sample(td, td->iops_log, iops, ddir, bs, 0);
Jens Axboe9602d8d2012-02-20 20:19:28 +01001873
Jens Axboe421f4a82012-02-28 08:20:26 +01001874 td->stat_io_blocks[ddir] = td->this_io_blocks[ddir];
Jens Axboe9602d8d2012-02-20 20:19:28 +01001875 }
Jens Axboec8eeb9d2011-10-05 14:02:22 +02001876
1877 fio_gettime(&td->iops_sample_time, NULL);
Jens Axboec8eeb9d2011-10-05 14:02:22 +02001878}
Jens Axboecef91752013-04-26 17:05:57 -06001879
1880void stat_init(void)
1881{
1882 stat_mutex = fio_mutex_init(FIO_MUTEX_UNLOCKED);
1883}
1884
1885void stat_exit(void)
1886{
1887 /*
1888 * When we have the mutex, we know out-of-band access to it
1889 * have ended.
1890 */
1891 fio_mutex_down(stat_mutex);
1892 fio_mutex_remove(stat_mutex);
1893}
Jens Axboefdb0da82014-10-23 09:15:20 -06001894
Jens Axboefdb0da82014-10-23 09:15:20 -06001895/*
1896 * Called from signal handler. Wake up status thread.
1897 */
1898void show_running_run_stats(void)
1899{
Jens Axboe7fe36312014-10-23 23:16:50 -06001900 helper_do_stat = 1;
1901 pthread_cond_signal(&helper_cond);
Jens Axboefdb0da82014-10-23 09:15:20 -06001902}