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[fio.git] / stat.c
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3c39a379
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1#include <stdio.h>
2#include <string.h>
3#include <sys/time.h>
4#include <sys/types.h>
5c4e1dbc 5#include <sys/stat.h>
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6#include <dirent.h>
7#include <libgen.h>
8#include <math.h>
9
10#include "fio.h"
7c9b1bce 11#include "diskutil.h"
3c39a379 12
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13void update_rusage_stat(struct thread_data *td)
14{
756867bd 15 struct thread_stat *ts = &td->ts;
3c39a379 16
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17 getrusage(RUSAGE_SELF, &ts->ru_end);
18
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19 ts->usr_time += mtime_since(&ts->ru_start.ru_utime,
20 &ts->ru_end.ru_utime);
21 ts->sys_time += mtime_since(&ts->ru_start.ru_stime,
22 &ts->ru_end.ru_stime);
23 ts->ctx += ts->ru_end.ru_nvcsw + ts->ru_end.ru_nivcsw
24 - (ts->ru_start.ru_nvcsw + ts->ru_start.ru_nivcsw);
e7823a94
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25 ts->minf += ts->ru_end.ru_minflt - ts->ru_start.ru_minflt;
26 ts->majf += ts->ru_end.ru_majflt - ts->ru_start.ru_majflt;
5ec10eaa 27
079ad09b 28 memcpy(&ts->ru_start, &ts->ru_end, sizeof(ts->ru_end));
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29}
30
31static int calc_lat(struct io_stat *is, unsigned long *min, unsigned long *max,
32 double *mean, double *dev)
33{
68704084 34 double n = is->samples;
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35
36 if (is->samples == 0)
37 return 0;
38
39 *min = is->min_val;
40 *max = is->max_val;
41
42 n = (double) is->samples;
68704084 43 *mean = is->mean;
e6d276f2 44
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45 if (n > 1.0)
46 *dev = sqrt(is->S / (n - 1.0));
ef9c5c40 47 else
4b43f54e 48 *dev = 0;
ef9c5c40 49
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50 return 1;
51}
52
53static void show_group_stats(struct group_run_stats *rs, int id)
54{
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55 char *p1, *p2, *p3, *p4;
56 const char *ddir_str[] = { " READ", " WRITE" };
57 int i;
58
6d86144d 59 log_info("\nRun status group %d (all jobs):\n", id);
3c39a379 60
dbe1125e 61 for (i = 0; i <= DDIR_WRITE; i++) {
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62 const int i2p = is_power_of_2(rs->kb_base);
63
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64 if (!rs->max_run[i])
65 continue;
66
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67 p1 = num2str(rs->io_kb[i], 6, rs->kb_base, i2p);
68 p2 = num2str(rs->agg[i], 6, rs->kb_base, i2p);
69 p3 = num2str(rs->min_bw[i], 6, rs->kb_base, i2p);
70 p4 = num2str(rs->max_bw[i], 6, rs->kb_base, i2p);
dbe1125e 71
b22989b9 72 log_info("%s: io=%sB, aggrb=%sB/s, minb=%sB/s, maxb=%sB/s,"
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73 " mint=%llumsec, maxt=%llumsec\n", ddir_str[i], p1, p2,
74 p3, p4, rs->min_run[i],
75 rs->max_run[i]);
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76
77 free(p1);
78 free(p2);
79 free(p3);
80 free(p4);
81 }
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82}
83
b3605062
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84#define ts_total_io_u(ts) \
85 ((ts)->total_io_u[0] + (ts)->total_io_u[1])
86
838bc709
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87static void stat_calc_dist(unsigned int *map, unsigned long total,
88 double *io_u_dist)
2270890c
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89{
90 int i;
91
92 /*
93 * Do depth distribution calculations
94 */
95 for (i = 0; i < FIO_IO_U_MAP_NR; i++) {
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96 if (total) {
97 io_u_dist[i] = (double) map[i] / (double) total;
98 io_u_dist[i] *= 100.0;
99 if (io_u_dist[i] < 0.1 && map[i])
100 io_u_dist[i] = 0.1;
101 } else
102 io_u_dist[i] = 0.0;
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103 }
104}
105
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106static void stat_calc_lat(struct thread_stat *ts, double *dst,
107 unsigned int *src, int nr)
2270890c 108{
838bc709 109 unsigned long total = ts_total_io_u(ts);
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110 int i;
111
112 /*
113 * Do latency distribution calculations
114 */
04a0feae 115 for (i = 0; i < nr; i++) {
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116 if (total) {
117 dst[i] = (double) src[i] / (double) total;
118 dst[i] *= 100.0;
119 if (dst[i] < 0.01 && src[i])
120 dst[i] = 0.01;
121 } else
122 dst[i] = 0.0;
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123 }
124}
125
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126static void stat_calc_lat_u(struct thread_stat *ts, double *io_u_lat)
127{
128 stat_calc_lat(ts, io_u_lat, ts->io_u_lat_u, FIO_IO_U_LAT_U_NR);
129}
130
131static void stat_calc_lat_m(struct thread_stat *ts, double *io_u_lat)
132{
133 stat_calc_lat(ts, io_u_lat, ts->io_u_lat_m, FIO_IO_U_LAT_M_NR);
134}
135
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136static int usec_to_msec(unsigned long *min, unsigned long *max, double *mean,
137 double *dev)
138{
139 if (*min > 1000 && *max > 1000 && *mean > 1000.0 && *dev > 1000.0) {
140 *min /= 1000;
141 *max /= 1000;
142 *mean /= 1000.0;
143 *dev /= 1000.0;
144 return 0;
145 }
146
147 return 1;
148}
149
756867bd 150static void show_ddir_status(struct group_run_stats *rs, struct thread_stat *ts,
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151 int ddir)
152{
3c9b60c1 153 const char *ddir_str[] = { "read ", "write" };
8879fd15 154 unsigned long min, max, runt;
b3605062 155 unsigned long long bw, iops;
3c39a379 156 double mean, dev;
b3605062 157 char *io_p, *bw_p, *iops_p;
90fef2d1 158 int i2p;
3c39a379 159
756867bd 160 if (!ts->runtime[ddir])
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161 return;
162
90fef2d1 163 i2p = is_power_of_2(rs->kb_base);
8879fd15
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164 runt = ts->runtime[ddir];
165
166 bw = (1000 * ts->io_bytes[ddir]) / runt;
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167 io_p = num2str(ts->io_bytes[ddir], 6, 1, i2p);
168 bw_p = num2str(bw, 6, 1, i2p);
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169
170 iops = (1000 * ts->total_io_u[ddir]) / runt;
b3605062 171 iops_p = num2str(iops, 6, 1, 0);
dbe1125e 172
b22989b9 173 log_info(" %s: io=%sB, bw=%sB/s, iops=%s, runt=%6lumsec\n",
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174 ddir_str[ddir], io_p, bw_p, iops_p,
175 ts->runtime[ddir]);
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176
177 free(io_p);
178 free(bw_p);
b3605062 179 free(iops_p);
3c39a379 180
d85f5118
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181 if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev)) {
182 const char *base = "(usec)";
d9309cb1 183 char *minp, *maxp;
d85f5118 184
ea2accc5 185 if (!usec_to_msec(&min, &max, &mean, &dev))
d85f5118 186 base = "(msec)";
ea2accc5 187
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188 minp = num2str(min, 6, 1, 0);
189 maxp = num2str(max, 6, 1, 0);
190
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191 log_info(" slat %s: min=%s, max=%s, avg=%5.02f,"
192 " stdev=%5.02f\n", base, minp, maxp, mean, dev);
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193
194 free(minp);
195 free(maxp);
d85f5118
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196 }
197 if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev)) {
198 const char *base = "(usec)";
d9309cb1 199 char *minp, *maxp;
d85f5118 200
ea2accc5
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201 if (!usec_to_msec(&min, &max, &mean, &dev))
202 base = "(msec)";
203
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204 minp = num2str(min, 6, 1, 0);
205 maxp = num2str(max, 6, 1, 0);
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206
207 log_info(" clat %s: min=%s, max=%s, avg=%5.02f,"
208 " stdev=%5.02f\n", base, minp, maxp, mean, dev);
d9309cb1
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209
210 free(minp);
211 free(maxp);
d85f5118 212 }
079ad09b 213 if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) {
3c39a379
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214 double p_of_agg;
215
216 p_of_agg = mean * 100 / (double) rs->agg[ddir];
b22989b9 217 log_info(" bw (KB/s) : min=%5lu, max=%5lu, per=%3.2f%%,"
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218 " avg=%5.02f, stdev=%5.02f\n", min, max, p_of_agg,
219 mean, dev);
3c39a379
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220 }
221}
222
04a0feae
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223static void show_lat(double *io_u_lat, int nr, const char **ranges,
224 const char *msg)
225{
226 int new_line = 1, i, line = 0;
227
228 for (i = 0; i < nr; i++) {
229 if (io_u_lat[i] <= 0.0)
230 continue;
231 if (new_line) {
4539ed73
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232 if (line)
233 log_info("\n");
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234 log_info(" lat (%s): ", msg);
235 new_line = 0;
236 line = 0;
237 }
238 if (line)
239 log_info(", ");
240 log_info("%s%3.2f%%", ranges[i], io_u_lat[i]);
241 line++;
242 if (line == 5)
243 new_line = 1;
244 }
04a0feae
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245}
246
247static void show_lat_u(double *io_u_lat_u)
248{
249 const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=",
250 "250=", "500=", "750=", "1000=", };
251
252 show_lat(io_u_lat_u, FIO_IO_U_LAT_U_NR, ranges, "usec");
253}
254
255static void show_lat_m(double *io_u_lat_m)
256{
257 const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=",
258 "250=", "500=", "750=", "1000=", "2000=",
259 ">=2000=", };
260
261 show_lat(io_u_lat_m, FIO_IO_U_LAT_M_NR, ranges, "msec");
262}
263
264static void show_latencies(double *io_u_lat_u, double *io_u_lat_m)
265{
266 show_lat_u(io_u_lat_u);
4539ed73 267 log_info("\n");
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268 show_lat_m(io_u_lat_m);
269 log_info("\n");
270}
271
756867bd 272static void show_thread_status(struct thread_stat *ts,
3c39a379
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273 struct group_run_stats *rs)
274{
275 double usr_cpu, sys_cpu;
69008999 276 unsigned long runtime;
71619dc2 277 double io_u_dist[FIO_IO_U_MAP_NR];
04a0feae
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278 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
279 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
3c39a379 280
b4c5e1ac
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281 if (!(ts->io_bytes[0] + ts->io_bytes[1]) &&
282 !(ts->total_io_u[0] + ts->total_io_u[1]))
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283 return;
284
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285 if (!ts->error) {
286 log_info("%s: (groupid=%d, jobs=%d): err=%2d: pid=%d\n",
287 ts->name, ts->groupid, ts->members,
5921e80c 288 ts->error, (int) ts->pid);
5ec10eaa
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289 } else {
290 log_info("%s: (groupid=%d, jobs=%d): err=%2d (%s): pid=%d\n",
291 ts->name, ts->groupid, ts->members,
5921e80c 292 ts->error, ts->verror, (int) ts->pid);
5ec10eaa 293 }
3c39a379 294
7bdce1bd 295 if (ts->description)
6d86144d 296 log_info(" Description : [%s]\n", ts->description);
7bdce1bd 297
756867bd
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298 if (ts->io_bytes[DDIR_READ])
299 show_ddir_status(rs, ts, DDIR_READ);
300 if (ts->io_bytes[DDIR_WRITE])
301 show_ddir_status(rs, ts, DDIR_WRITE);
3c39a379 302
756867bd 303 runtime = ts->total_run_time;
69008999 304 if (runtime) {
1e97cce9 305 double runt = (double) runtime;
3c39a379 306
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307 usr_cpu = (double) ts->usr_time * 100 / runt;
308 sys_cpu = (double) ts->sys_time * 100 / runt;
3c39a379
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309 } else {
310 usr_cpu = 0;
311 sys_cpu = 0;
312 }
313
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314 log_info(" cpu : usr=%3.2f%%, sys=%3.2f%%, ctx=%lu, majf=%lu,"
315 " minf=%lu\n", usr_cpu, sys_cpu, ts->ctx, ts->majf, ts->minf);
71619dc2 316
838bc709 317 stat_calc_dist(ts->io_u_map, ts_total_io_u(ts), io_u_dist);
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318 log_info(" IO depths : 1=%3.1f%%, 2=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%,"
319 " 16=%3.1f%%, 32=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0],
320 io_u_dist[1], io_u_dist[2],
321 io_u_dist[3], io_u_dist[4],
322 io_u_dist[5], io_u_dist[6]);
838bc709
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323
324 stat_calc_dist(ts->io_u_submit, ts->total_submit, io_u_dist);
325 log_info(" submit : 0=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%, 16=%3.1f%%,"
326 " 32=%3.1f%%, 64=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0],
327 io_u_dist[1], io_u_dist[2],
328 io_u_dist[3], io_u_dist[4],
329 io_u_dist[5], io_u_dist[6]);
330 stat_calc_dist(ts->io_u_complete, ts->total_complete, io_u_dist);
331 log_info(" complete : 0=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%, 16=%3.1f%%,"
332 " 32=%3.1f%%, 64=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0],
333 io_u_dist[1], io_u_dist[2],
334 io_u_dist[3], io_u_dist[4],
335 io_u_dist[5], io_u_dist[6]);
5ec10eaa
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336 log_info(" issued r/w: total=%lu/%lu, short=%lu/%lu\n",
337 ts->total_io_u[0], ts->total_io_u[1],
338 ts->short_io_u[0], ts->short_io_u[1]);
838bc709
JA
339 stat_calc_lat_u(ts, io_u_lat_u);
340 stat_calc_lat_m(ts, io_u_lat_m);
04a0feae 341 show_latencies(io_u_lat_u, io_u_lat_m);
f2bba182 342 if (ts->continue_on_error) {
1ec99eea
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343 log_info(" errors : total=%lu, first_error=%d/<%s>\n",
344 ts->total_err_count,
345 ts->first_error,
346 strerror(ts->first_error));
f2bba182 347 }
3c39a379
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348}
349
756867bd 350static void show_ddir_status_terse(struct thread_stat *ts,
c6ae0a5b
JA
351 struct group_run_stats *rs, int ddir)
352{
353 unsigned long min, max;
354 unsigned long long bw;
355 double mean, dev;
356
357 bw = 0;
756867bd
JA
358 if (ts->runtime[ddir])
359 bw = ts->io_bytes[ddir] / ts->runtime[ddir];
c6ae0a5b 360
5ec10eaa
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361 log_info(";%llu;%llu;%lu", ts->io_bytes[ddir] >> 10, bw,
362 ts->runtime[ddir]);
c6ae0a5b 363
079ad09b 364 if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev))
6d86144d 365 log_info(";%lu;%lu;%f;%f", min, max, mean, dev);
c6ae0a5b 366 else
6d86144d 367 log_info(";%lu;%lu;%f;%f", 0UL, 0UL, 0.0, 0.0);
c6ae0a5b 368
079ad09b 369 if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev))
6d86144d 370 log_info(";%lu;%lu;%f;%f", min, max, mean, dev);
c6ae0a5b 371 else
6d86144d 372 log_info(";%lu;%lu;%f;%f", 0UL, 0UL, 0.0, 0.0);
c6ae0a5b 373
079ad09b 374 if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) {
c6ae0a5b
JA
375 double p_of_agg;
376
377 p_of_agg = mean * 100 / (double) rs->agg[ddir];
6d86144d 378 log_info(";%lu;%lu;%f%%;%f;%f", min, max, p_of_agg, mean, dev);
c6ae0a5b 379 } else
6d86144d 380 log_info(";%lu;%lu;%f%%;%f;%f", 0UL, 0UL, 0.0, 0.0, 0.0);
c6ae0a5b
JA
381}
382
383
756867bd 384static void show_thread_status_terse(struct thread_stat *ts,
c6ae0a5b
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385 struct group_run_stats *rs)
386{
2270890c 387 double io_u_dist[FIO_IO_U_MAP_NR];
04a0feae
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388 double io_u_lat_u[FIO_IO_U_LAT_U_NR];
389 double io_u_lat_m[FIO_IO_U_LAT_M_NR];
c6ae0a5b 390 double usr_cpu, sys_cpu;
04a0feae 391 int i;
c6ae0a5b 392
6d86144d 393 log_info("%s;%d;%d", ts->name, ts->groupid, ts->error);
c6ae0a5b 394
756867bd
JA
395 show_ddir_status_terse(ts, rs, 0);
396 show_ddir_status_terse(ts, rs, 1);
c6ae0a5b 397
756867bd
JA
398 if (ts->total_run_time) {
399 double runt = (double) ts->total_run_time;
c6ae0a5b 400
756867bd
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401 usr_cpu = (double) ts->usr_time * 100 / runt;
402 sys_cpu = (double) ts->sys_time * 100 / runt;
c6ae0a5b
JA
403 } else {
404 usr_cpu = 0;
405 sys_cpu = 0;
406 }
407
5ec10eaa
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408 log_info(";%f%%;%f%%;%lu;%lu;%lu", usr_cpu, sys_cpu, ts->ctx, ts->majf,
409 ts->minf);
2270890c 410
838bc709 411 stat_calc_dist(ts->io_u_map, ts_total_io_u(ts), io_u_dist);
04a0feae
JA
412 stat_calc_lat_u(ts, io_u_lat_u);
413 stat_calc_lat_m(ts, io_u_lat_m);
2270890c 414
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415 log_info(";%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%",
416 io_u_dist[0], io_u_dist[1], io_u_dist[2], io_u_dist[3],
417 io_u_dist[4], io_u_dist[5], io_u_dist[6]);
2270890c 418
04a0feae
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419 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++)
420 log_info(";%3.2f%%", io_u_lat_u[i]);
421 for (i = 0; i < FIO_IO_U_LAT_M_NR; i++)
422 log_info(";%3.2f%%", io_u_lat_m[i]);
f2bba182
RR
423 if (ts->continue_on_error)
424 log_info(";%lu;%d", ts->total_err_count, ts->first_error);
04a0feae 425 log_info("\n");
2270890c
JA
426
427 if (ts->description)
6d86144d 428 log_info(";%s", ts->description);
2270890c 429
6d86144d 430 log_info("\n");
756867bd
JA
431}
432
197574e4 433static void sum_stat(struct io_stat *dst, struct io_stat *src, int nr)
756867bd
JA
434{
435 double mean, S;
436
437 dst->min_val = min(dst->min_val, src->min_val);
438 dst->max_val = max(dst->max_val, src->max_val);
439 dst->samples += src->samples;
440
441 /*
442 * Needs a new method for calculating stddev, we cannot just
443 * average them we do below for nr > 1
444 */
445 if (nr == 1) {
446 mean = src->mean;
447 S = src->S;
448 } else {
5ec10eaa
JA
449 mean = ((src->mean * (double) (nr - 1))
450 + dst->mean) / ((double) nr);
c39cced6 451 S = ((src->S * (double) (nr - 1)) + dst->S) / ((double) nr);
756867bd
JA
452 }
453
454 dst->mean = mean;
455 dst->S = S;
456}
457
3c39a379
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458void show_run_stats(void)
459{
460 struct group_run_stats *runstats, *rs;
461 struct thread_data *td;
756867bd 462 struct thread_stat *threadstats, *ts;
197574e4 463 int i, j, k, l, nr_ts, last_ts, idx;
90fef2d1 464 int kb_base_warned = 0;
3c39a379
JA
465
466 runstats = malloc(sizeof(struct group_run_stats) * (groupid + 1));
467
468 for (i = 0; i < groupid + 1; i++) {
469 rs = &runstats[i];
470
471 memset(rs, 0, sizeof(*rs));
472 rs->min_bw[0] = rs->min_run[0] = ~0UL;
473 rs->min_bw[1] = rs->min_run[1] = ~0UL;
474 }
475
756867bd
JA
476 /*
477 * find out how many threads stats we need. if group reporting isn't
478 * enabled, it's one-per-td.
479 */
480 nr_ts = 0;
481 last_ts = -1;
482 for_each_td(td, i) {
2dc1bbeb 483 if (!td->o.group_reporting) {
756867bd
JA
484 nr_ts++;
485 continue;
486 }
487 if (last_ts == td->groupid)
488 continue;
489
490 last_ts = td->groupid;
491 nr_ts++;
492 }
493
494 threadstats = malloc(nr_ts * sizeof(struct thread_stat));
495
496 for (i = 0; i < nr_ts; i++) {
497 ts = &threadstats[i];
498
499 memset(ts, 0, sizeof(*ts));
de64df05 500 for (j = 0; j <= DDIR_WRITE; j++) {
197574e4
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501 ts->clat_stat[j].min_val = -1UL;
502 ts->slat_stat[j].min_val = -1UL;
503 ts->bw_stat[j].min_val = -1UL;
504 }
7abd0e3a 505 ts->groupid = -1;
756867bd
JA
506 }
507
508 j = 0;
509 last_ts = -1;
197574e4 510 idx = 0;
34572e28 511 for_each_td(td, i) {
2dc1bbeb
JA
512 if (idx && (!td->o.group_reporting ||
513 (td->o.group_reporting && last_ts != td->groupid))) {
7abd0e3a
JA
514 idx = 0;
515 j++;
516 }
517
518 last_ts = td->groupid;
519
756867bd
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520 ts = &threadstats[j];
521
197574e4 522 idx++;
6586ee89 523 ts->members++;
756867bd 524
7abd0e3a 525 if (ts->groupid == -1) {
2dc84ba7
JA
526 /*
527 * These are per-group shared already
528 */
2dc1bbeb
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529 ts->name = td->o.name;
530 ts->description = td->o.description;
756867bd 531 ts->groupid = td->groupid;
2dc84ba7
JA
532
533 /*
534 * first pid in group, not very useful...
535 */
756867bd 536 ts->pid = td->pid;
90fef2d1
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537
538 ts->kb_base = td->o.kb_base;
539 } else if (ts->kb_base != td->o.kb_base && !kb_base_warned) {
540 log_info("fio: kb_base differs for jobs in group, using"
541 " %u as the base\n", ts->kb_base);
542 kb_base_warned = 1;
2dc84ba7
JA
543 }
544
f2bba182
RR
545 ts->continue_on_error = td->o.continue_on_error;
546 ts->total_err_count += td->total_err_count;
547 ts->first_error = td->first_error;
548 if (!ts->error) {
549 if (!td->error && td->o.continue_on_error &&
550 td->first_error) {
551 ts->error = td->first_error;
552 ts->verror = td->verror;
553 } else if (td->error) {
554 ts->error = td->error;
555 ts->verror = td->verror;
556 }
756867bd
JA
557 }
558
de64df05 559 for (l = 0; l <= DDIR_WRITE; l++) {
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560 sum_stat(&ts->clat_stat[l], &td->ts.clat_stat[l], idx);
561 sum_stat(&ts->slat_stat[l], &td->ts.slat_stat[l], idx);
562 sum_stat(&ts->bw_stat[l], &td->ts.bw_stat[l], idx);
756867bd 563
197574e4
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564 ts->stat_io_bytes[l] += td->ts.stat_io_bytes[l];
565 ts->io_bytes[l] += td->ts.io_bytes[l];
566
567 if (ts->runtime[l] < td->ts.runtime[l])
568 ts->runtime[l] = td->ts.runtime[l];
569 }
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570
571 ts->usr_time += td->ts.usr_time;
572 ts->sys_time += td->ts.sys_time;
573 ts->ctx += td->ts.ctx;
e7823a94
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574 ts->majf += td->ts.majf;
575 ts->minf += td->ts.minf;
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576
577 for (k = 0; k < FIO_IO_U_MAP_NR; k++)
578 ts->io_u_map[k] += td->ts.io_u_map[k];
838bc709
JA
579 for (k = 0; k < FIO_IO_U_MAP_NR; k++)
580 ts->io_u_submit[k] += td->ts.io_u_submit[k];
581 for (k = 0; k < FIO_IO_U_MAP_NR; k++)
582 ts->io_u_complete[k] += td->ts.io_u_complete[k];
04a0feae
JA
583 for (k = 0; k < FIO_IO_U_LAT_U_NR; k++)
584 ts->io_u_lat_u[k] += td->ts.io_u_lat_u[k];
585 for (k = 0; k < FIO_IO_U_LAT_M_NR; k++)
586 ts->io_u_lat_m[k] += td->ts.io_u_lat_m[k];
587
756867bd 588
30061b97 589 for (k = 0; k <= DDIR_WRITE; k++) {
b3605062 590 ts->total_io_u[k] += td->ts.total_io_u[k];
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591 ts->short_io_u[k] += td->ts.short_io_u[k];
592 }
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593
594 ts->total_run_time += td->ts.total_run_time;
838bc709
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595 ts->total_submit += td->ts.total_submit;
596 ts->total_complete += td->ts.total_complete;
756867bd
JA
597 }
598
599 for (i = 0; i < nr_ts; i++) {
94370ac4 600 unsigned long long bw;
3c39a379 601
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602 ts = &threadstats[i];
603 rs = &runstats[ts->groupid];
90fef2d1 604 rs->kb_base = ts->kb_base;
3c39a379 605
de64df05 606 for (j = 0; j <= DDIR_WRITE; j++) {
94370ac4
JA
607 if (!ts->runtime[j])
608 continue;
609 if (ts->runtime[j] < rs->min_run[j] || !rs->min_run[j])
610 rs->min_run[j] = ts->runtime[j];
611 if (ts->runtime[j] > rs->max_run[j])
612 rs->max_run[j] = ts->runtime[j];
613
614 bw = 0;
8879fd15
JA
615 if (ts->runtime[j]) {
616 unsigned long runt;
617
90fef2d1 618 runt = ts->runtime[j];
8879fd15
JA
619 bw = ts->io_bytes[j] / runt;
620 }
94370ac4
JA
621 if (bw < rs->min_bw[j])
622 rs->min_bw[j] = bw;
623 if (bw > rs->max_bw[j])
624 rs->max_bw[j] = bw;
625
90fef2d1 626 rs->io_kb[j] += ts->io_bytes[j] / rs->kb_base;
94370ac4 627 }
3c39a379
JA
628 }
629
630 for (i = 0; i < groupid + 1; i++) {
8879fd15
JA
631 unsigned long max_run[2];
632
3c39a379 633 rs = &runstats[i];
90fef2d1
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634 max_run[0] = rs->max_run[0];
635 max_run[1] = rs->max_run[1];
3c39a379
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636
637 if (rs->max_run[0])
90fef2d1 638 rs->agg[0] = (rs->io_kb[0] * 1000) / max_run[0];
3c39a379 639 if (rs->max_run[1])
90fef2d1 640 rs->agg[1] = (rs->io_kb[1] * 1000) / max_run[1];
3c39a379
JA
641 }
642
643 /*
644 * don't overwrite last signal output
645 */
c6ae0a5b
JA
646 if (!terse_output)
647 printf("\n");
3c39a379 648
756867bd
JA
649 for (i = 0; i < nr_ts; i++) {
650 ts = &threadstats[i];
651 rs = &runstats[ts->groupid];
3c39a379 652
c6ae0a5b 653 if (terse_output)
756867bd 654 show_thread_status_terse(ts, rs);
c6ae0a5b 655 else
756867bd 656 show_thread_status(ts, rs);
3c39a379
JA
657 }
658
c6ae0a5b
JA
659 if (!terse_output) {
660 for (i = 0; i < groupid + 1; i++)
661 show_group_stats(&runstats[i], i);
3c39a379 662
c6ae0a5b
JA
663 show_disk_util();
664 }
eecf272f
JA
665
666 free(runstats);
756867bd 667 free(threadstats);
3c39a379
JA
668}
669
68704084 670static inline void add_stat_sample(struct io_stat *is, unsigned long data)
3c39a379 671{
68704084 672 double val = data;
6660cc67 673 double delta;
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JA
674
675 if (data > is->max_val)
676 is->max_val = data;
677 if (data < is->min_val)
678 is->min_val = data;
679
680 delta = val - is->mean;
ef11d737
JA
681 if (delta) {
682 is->mean += delta / (is->samples + 1.0);
683 is->S += delta * (val - is->mean);
684 }
3c39a379 685
3c39a379
JA
686 is->samples++;
687}
688
bb3884d8 689static void __add_log_sample(struct io_log *iolog, unsigned long val,
306ddc97
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690 enum fio_ddir ddir, unsigned int bs,
691 unsigned long time)
3c39a379 692{
306ddc97
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693 const int nr_samples = iolog->nr_samples;
694
3c39a379
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695 if (iolog->nr_samples == iolog->max_samples) {
696 int new_size = sizeof(struct io_sample) * iolog->max_samples*2;
697
698 iolog->log = realloc(iolog->log, new_size);
699 iolog->max_samples <<= 1;
700 }
701
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702 iolog->log[nr_samples].val = val;
703 iolog->log[nr_samples].time = time;
704 iolog->log[nr_samples].ddir = ddir;
705 iolog->log[nr_samples].bs = bs;
3c39a379
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706 iolog->nr_samples++;
707}
708
bb3884d8 709static void add_log_sample(struct thread_data *td, struct io_log *iolog,
306ddc97
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710 unsigned long val, enum fio_ddir ddir,
711 unsigned int bs)
bb3884d8 712{
306ddc97 713 __add_log_sample(iolog, val, ddir, bs, mtime_since_now(&td->epoch));
bb3884d8
JA
714}
715
306ddc97 716void add_agg_sample(unsigned long val, enum fio_ddir ddir, unsigned int bs)
bb3884d8
JA
717{
718 struct io_log *iolog = agg_io_log[ddir];
719
306ddc97 720 __add_log_sample(iolog, val, ddir, bs, mtime_since_genesis());
bb3884d8
JA
721}
722
1e97cce9 723void add_clat_sample(struct thread_data *td, enum fio_ddir ddir,
306ddc97 724 unsigned long usec, unsigned int bs)
3c39a379 725{
756867bd 726 struct thread_stat *ts = &td->ts;
079ad09b 727
d85f5118 728 add_stat_sample(&ts->clat_stat[ddir], usec);
3c39a379 729
079ad09b 730 if (ts->clat_log)
306ddc97 731 add_log_sample(td, ts->clat_log, usec, ddir, bs);
3c39a379
JA
732}
733
1e97cce9 734void add_slat_sample(struct thread_data *td, enum fio_ddir ddir,
306ddc97 735 unsigned long usec, unsigned int bs)
3c39a379 736{
756867bd 737 struct thread_stat *ts = &td->ts;
079ad09b 738
d85f5118 739 add_stat_sample(&ts->slat_stat[ddir], usec);
3c39a379 740
079ad09b 741 if (ts->slat_log)
306ddc97 742 add_log_sample(td, ts->slat_log, usec, ddir, bs);
3c39a379
JA
743}
744
306ddc97 745void add_bw_sample(struct thread_data *td, enum fio_ddir ddir, unsigned int bs,
1e97cce9 746 struct timeval *t)
3c39a379 747{
756867bd 748 struct thread_stat *ts = &td->ts;
079ad09b 749 unsigned long spent = mtime_since(&ts->stat_sample_time[ddir], t);
3c39a379
JA
750 unsigned long rate;
751
2dc1bbeb 752 if (spent < td->o.bw_avg_time)
3c39a379
JA
753 return;
754
8879fd15 755 rate = (td->this_io_bytes[ddir] - ts->stat_io_bytes[ddir]) * 1000 / spent / 1024;
079ad09b 756 add_stat_sample(&ts->bw_stat[ddir], rate);
3c39a379 757
079ad09b 758 if (ts->bw_log)
306ddc97 759 add_log_sample(td, ts->bw_log, rate, ddir, bs);
3c39a379 760
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JA
761 fio_gettime(&ts->stat_sample_time[ddir], NULL);
762 ts->stat_io_bytes[ddir] = td->this_io_bytes[ddir];
3c39a379 763}