Commit | Line | Data |
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3c39a379 JA |
1 | #include <stdio.h> |
2 | #include <string.h> | |
3 | #include <sys/time.h> | |
4 | #include <sys/types.h> | |
5c4e1dbc | 5 | #include <sys/stat.h> |
3c39a379 JA |
6 | #include <dirent.h> |
7 | #include <libgen.h> | |
8 | #include <math.h> | |
9 | ||
10 | #include "fio.h" | |
3c39a379 | 11 | |
dbe1125e | 12 | /* |
34403fb1 | 13 | * Cheesy number->string conversion, complete with carry rounding error. |
dbe1125e | 14 | */ |
b3605062 | 15 | static char *num2str(unsigned long num, int maxlen, int base, int pow2) |
dbe1125e | 16 | { |
b3605062 JA |
17 | char postfix[] = { ' ', 'K', 'M', 'G', 'P', 'E' }; |
18 | unsigned int thousand; | |
dbe1125e JA |
19 | char *buf; |
20 | int i; | |
21 | ||
b3605062 JA |
22 | if (pow2) |
23 | thousand = 1024; | |
24 | else | |
25 | thousand = 1000; | |
26 | ||
dbe1125e JA |
27 | buf = malloc(128); |
28 | ||
29 | for (i = 0; base > 1; i++) | |
30 | base /= thousand; | |
31 | ||
32 | do { | |
33 | int len, carry = 0; | |
34 | ||
35 | len = sprintf(buf, "%'lu", num); | |
36 | if (len <= maxlen) { | |
b3605062 JA |
37 | if (i >= 1) { |
38 | buf[len] = postfix[i]; | |
39 | buf[len + 1] = '\0'; | |
40 | } | |
dbe1125e JA |
41 | return buf; |
42 | } | |
43 | ||
44 | if ((num % thousand) >= (thousand / 2)) | |
45 | carry = 1; | |
46 | ||
47 | num /= thousand; | |
48 | num += carry; | |
49 | i++; | |
f3502ba2 | 50 | } while (i <= 5); |
dbe1125e JA |
51 | |
52 | return buf; | |
53 | } | |
54 | ||
3c39a379 JA |
55 | void update_rusage_stat(struct thread_data *td) |
56 | { | |
756867bd | 57 | struct thread_stat *ts = &td->ts; |
3c39a379 | 58 | |
079ad09b JA |
59 | getrusage(RUSAGE_SELF, &ts->ru_end); |
60 | ||
61 | ts->usr_time += mtime_since(&ts->ru_start.ru_utime, &ts->ru_end.ru_utime); | |
62 | ts->sys_time += mtime_since(&ts->ru_start.ru_stime, &ts->ru_end.ru_stime); | |
63 | ts->ctx += ts->ru_end.ru_nvcsw + ts->ru_end.ru_nivcsw - (ts->ru_start.ru_nvcsw + ts->ru_start.ru_nivcsw); | |
3c39a379 | 64 | |
079ad09b | 65 | memcpy(&ts->ru_start, &ts->ru_end, sizeof(ts->ru_end)); |
3c39a379 JA |
66 | } |
67 | ||
68 | static int calc_lat(struct io_stat *is, unsigned long *min, unsigned long *max, | |
69 | double *mean, double *dev) | |
70 | { | |
68704084 | 71 | double n = is->samples; |
3c39a379 JA |
72 | |
73 | if (is->samples == 0) | |
74 | return 0; | |
75 | ||
76 | *min = is->min_val; | |
77 | *max = is->max_val; | |
78 | ||
79 | n = (double) is->samples; | |
68704084 | 80 | *mean = is->mean; |
e6d276f2 | 81 | |
68704084 JA |
82 | if (n > 1.0) |
83 | *dev = sqrt(is->S / (n - 1.0)); | |
ef9c5c40 | 84 | else |
68704084 | 85 | *dev = -1.0; |
ef9c5c40 | 86 | |
3c39a379 JA |
87 | return 1; |
88 | } | |
89 | ||
90 | static void show_group_stats(struct group_run_stats *rs, int id) | |
91 | { | |
dbe1125e JA |
92 | char *p1, *p2, *p3, *p4; |
93 | const char *ddir_str[] = { " READ", " WRITE" }; | |
94 | int i; | |
95 | ||
6d86144d | 96 | log_info("\nRun status group %d (all jobs):\n", id); |
3c39a379 | 97 | |
dbe1125e JA |
98 | for (i = 0; i <= DDIR_WRITE; i++) { |
99 | if (!rs->max_run[i]) | |
100 | continue; | |
101 | ||
b3605062 JA |
102 | p1 = num2str(rs->io_kb[i], 6, 1000, 1); |
103 | p2 = num2str(rs->agg[i], 6, 1000, 1); | |
104 | p3 = num2str(rs->min_bw[i], 6, 1000, 1); | |
105 | p4 = num2str(rs->max_bw[i], 6, 1000, 1); | |
dbe1125e | 106 | |
6d86144d | 107 | log_info("%s: io=%siB, aggrb=%siB/s, minb=%siB/s, maxb=%siB/s, mint=%llumsec, maxt=%llumsec\n", ddir_str[i], p1, p2, p3, p4, rs->min_run[i], rs->max_run[i]); |
dbe1125e JA |
108 | |
109 | free(p1); | |
110 | free(p2); | |
111 | free(p3); | |
112 | free(p4); | |
113 | } | |
3c39a379 JA |
114 | } |
115 | ||
b3605062 JA |
116 | #define ts_total_io_u(ts) \ |
117 | ((ts)->total_io_u[0] + (ts)->total_io_u[1]) | |
118 | ||
2270890c JA |
119 | static void stat_calc_dist(struct thread_stat *ts, double *io_u_dist) |
120 | { | |
121 | int i; | |
122 | ||
123 | /* | |
124 | * Do depth distribution calculations | |
125 | */ | |
126 | for (i = 0; i < FIO_IO_U_MAP_NR; i++) { | |
b3605062 | 127 | io_u_dist[i] = (double) ts->io_u_map[i] / (double) ts_total_io_u(ts); |
2270890c | 128 | io_u_dist[i] *= 100.0; |
d0f62ba3 JA |
129 | if (io_u_dist[i] < 0.1 && ts->io_u_map[i]) |
130 | io_u_dist[i] = 0.1; | |
2270890c JA |
131 | } |
132 | } | |
133 | ||
134 | static void stat_calc_lat(struct thread_stat *ts, double *io_u_lat) | |
135 | { | |
136 | int i; | |
137 | ||
138 | /* | |
139 | * Do latency distribution calculations | |
140 | */ | |
141 | for (i = 0; i < FIO_IO_U_LAT_NR; i++) { | |
b3605062 | 142 | io_u_lat[i] = (double) ts->io_u_lat[i] / (double) ts_total_io_u(ts); |
2270890c | 143 | io_u_lat[i] *= 100.0; |
d0f62ba3 JA |
144 | if (io_u_lat[i] < 0.01 && ts->io_u_lat[i]) |
145 | io_u_lat[i] = 0.01; | |
2270890c JA |
146 | } |
147 | } | |
148 | ||
756867bd | 149 | static void show_ddir_status(struct group_run_stats *rs, struct thread_stat *ts, |
3c39a379 JA |
150 | int ddir) |
151 | { | |
3c9b60c1 | 152 | const char *ddir_str[] = { "read ", "write" }; |
3c39a379 | 153 | unsigned long min, max; |
b3605062 | 154 | unsigned long long bw, iops; |
3c39a379 | 155 | double mean, dev; |
b3605062 | 156 | char *io_p, *bw_p, *iops_p; |
3c39a379 | 157 | |
756867bd | 158 | if (!ts->runtime[ddir]) |
3c39a379 JA |
159 | return; |
160 | ||
756867bd | 161 | bw = ts->io_bytes[ddir] / ts->runtime[ddir]; |
b3605062 JA |
162 | iops = (1000 * ts->total_io_u[ddir]) / ts->runtime[ddir]; |
163 | io_p = num2str(ts->io_bytes[ddir] >> 10, 6, 1000, 1); | |
164 | bw_p = num2str(bw, 6, 1000, 1); | |
165 | iops_p = num2str(iops, 6, 1, 0); | |
dbe1125e | 166 | |
6d86144d | 167 | log_info(" %s: io=%siB, bw=%siB/s, iops=%s, runt=%6lumsec\n", ddir_str[ddir], io_p, bw_p, iops_p, ts->runtime[ddir]); |
dbe1125e JA |
168 | |
169 | free(io_p); | |
170 | free(bw_p); | |
b3605062 | 171 | free(iops_p); |
3c39a379 | 172 | |
079ad09b | 173 | if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev)) |
6d86144d | 174 | log_info(" slat (msec): min=%5lu, max=%5lu, avg=%5.02f, stdev=%5.02f\n", min, max, mean, dev); |
3c39a379 | 175 | |
079ad09b | 176 | if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev)) |
6d86144d | 177 | log_info(" clat (msec): min=%5lu, max=%5lu, avg=%5.02f, stdev=%5.02f\n", min, max, mean, dev); |
3c39a379 | 178 | |
079ad09b | 179 | if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) { |
3c39a379 JA |
180 | double p_of_agg; |
181 | ||
182 | p_of_agg = mean * 100 / (double) rs->agg[ddir]; | |
6d86144d | 183 | log_info(" bw (KiB/s) : min=%5lu, max=%5lu, per=%3.2f%%, avg=%5.02f, stdev=%5.02f\n", min, max, p_of_agg, mean, dev); |
3c39a379 JA |
184 | } |
185 | } | |
186 | ||
756867bd | 187 | static void show_thread_status(struct thread_stat *ts, |
3c39a379 JA |
188 | struct group_run_stats *rs) |
189 | { | |
190 | double usr_cpu, sys_cpu; | |
69008999 | 191 | unsigned long runtime; |
71619dc2 | 192 | double io_u_dist[FIO_IO_U_MAP_NR]; |
ec118304 | 193 | double io_u_lat[FIO_IO_U_LAT_NR]; |
3c39a379 | 194 | |
756867bd | 195 | if (!(ts->io_bytes[0] + ts->io_bytes[1])) |
3c39a379 JA |
196 | return; |
197 | ||
756867bd | 198 | if (!ts->error) |
6d86144d | 199 | log_info("%s: (groupid=%d, jobs=%d): err=%2d: pid=%d\n", ts->name, ts->groupid, ts->members, ts->error, ts->pid); |
6d663077 | 200 | else |
6d86144d | 201 | log_info("%s: (groupid=%d, jobs=%d): err=%2d (%s): pid=%d\n", ts->name, ts->groupid, ts->members, ts->error, ts->verror, ts->pid); |
3c39a379 | 202 | |
7bdce1bd | 203 | if (ts->description) |
6d86144d | 204 | log_info(" Description : [%s]\n", ts->description); |
7bdce1bd | 205 | |
756867bd JA |
206 | if (ts->io_bytes[DDIR_READ]) |
207 | show_ddir_status(rs, ts, DDIR_READ); | |
208 | if (ts->io_bytes[DDIR_WRITE]) | |
209 | show_ddir_status(rs, ts, DDIR_WRITE); | |
3c39a379 | 210 | |
756867bd | 211 | runtime = ts->total_run_time; |
69008999 | 212 | if (runtime) { |
1e97cce9 | 213 | double runt = (double) runtime; |
3c39a379 | 214 | |
756867bd JA |
215 | usr_cpu = (double) ts->usr_time * 100 / runt; |
216 | sys_cpu = (double) ts->sys_time * 100 / runt; | |
3c39a379 JA |
217 | } else { |
218 | usr_cpu = 0; | |
219 | sys_cpu = 0; | |
220 | } | |
221 | ||
6d86144d | 222 | log_info(" cpu : usr=%3.2f%%, sys=%3.2f%%, ctx=%lu\n", usr_cpu, sys_cpu, ts->ctx); |
71619dc2 | 223 | |
2270890c JA |
224 | stat_calc_dist(ts, io_u_dist); |
225 | stat_calc_lat(ts, io_u_lat); | |
71619dc2 | 226 | |
6d86144d | 227 | log_info(" IO depths : 1=%3.1f%%, 2=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%, 16=%3.1f%%, 32=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0], io_u_dist[1], io_u_dist[2], io_u_dist[3], io_u_dist[4], io_u_dist[5], io_u_dist[6]); |
30061b97 | 228 | log_info(" issued r/w: total=%lu/%lu, short=%lu/%lu\n", ts->total_io_u[0], ts->total_io_u[1], ts->short_io_u[0], ts->short_io_u[1]); |
61697c37 | 229 | |
d0f62ba3 JA |
230 | log_info(" lat (msec): 2=%3.2f%%, 4=%3.2f%%, 10=%3.2f%%, 20=%3.2f%%, 50=%3.2f%%, 100=%3.2f%%\n", io_u_lat[0], io_u_lat[1], io_u_lat[2], io_u_lat[3], io_u_lat[4], io_u_lat[5]); |
231 | log_info(" lat (msec): 250=%3.2f%%, 500=%3.2f%%, 750=%3.2f%%, 1000=%3.2f%%, >=2000=%3.2f%%\n", io_u_lat[6], io_u_lat[7], io_u_lat[8], io_u_lat[9], io_u_lat[10]); | |
3c39a379 JA |
232 | } |
233 | ||
756867bd | 234 | static void show_ddir_status_terse(struct thread_stat *ts, |
c6ae0a5b JA |
235 | struct group_run_stats *rs, int ddir) |
236 | { | |
237 | unsigned long min, max; | |
238 | unsigned long long bw; | |
239 | double mean, dev; | |
240 | ||
241 | bw = 0; | |
756867bd JA |
242 | if (ts->runtime[ddir]) |
243 | bw = ts->io_bytes[ddir] / ts->runtime[ddir]; | |
c6ae0a5b | 244 | |
6d86144d | 245 | log_info(";%llu;%llu;%lu", ts->io_bytes[ddir] >> 10, bw, ts->runtime[ddir]); |
c6ae0a5b | 246 | |
079ad09b | 247 | if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev)) |
6d86144d | 248 | log_info(";%lu;%lu;%f;%f", min, max, mean, dev); |
c6ae0a5b | 249 | else |
6d86144d | 250 | log_info(";%lu;%lu;%f;%f", 0UL, 0UL, 0.0, 0.0); |
c6ae0a5b | 251 | |
079ad09b | 252 | if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev)) |
6d86144d | 253 | log_info(";%lu;%lu;%f;%f", min, max, mean, dev); |
c6ae0a5b | 254 | else |
6d86144d | 255 | log_info(";%lu;%lu;%f;%f", 0UL, 0UL, 0.0, 0.0); |
c6ae0a5b | 256 | |
079ad09b | 257 | if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) { |
c6ae0a5b JA |
258 | double p_of_agg; |
259 | ||
260 | p_of_agg = mean * 100 / (double) rs->agg[ddir]; | |
6d86144d | 261 | log_info(";%lu;%lu;%f%%;%f;%f", min, max, p_of_agg, mean, dev); |
c6ae0a5b | 262 | } else |
6d86144d | 263 | log_info(";%lu;%lu;%f%%;%f;%f", 0UL, 0UL, 0.0, 0.0, 0.0); |
c6ae0a5b JA |
264 | } |
265 | ||
266 | ||
756867bd | 267 | static void show_thread_status_terse(struct thread_stat *ts, |
c6ae0a5b JA |
268 | struct group_run_stats *rs) |
269 | { | |
2270890c JA |
270 | double io_u_dist[FIO_IO_U_MAP_NR]; |
271 | double io_u_lat[FIO_IO_U_LAT_NR]; | |
c6ae0a5b JA |
272 | double usr_cpu, sys_cpu; |
273 | ||
6d86144d | 274 | log_info("%s;%d;%d", ts->name, ts->groupid, ts->error); |
c6ae0a5b | 275 | |
756867bd JA |
276 | show_ddir_status_terse(ts, rs, 0); |
277 | show_ddir_status_terse(ts, rs, 1); | |
c6ae0a5b | 278 | |
756867bd JA |
279 | if (ts->total_run_time) { |
280 | double runt = (double) ts->total_run_time; | |
c6ae0a5b | 281 | |
756867bd JA |
282 | usr_cpu = (double) ts->usr_time * 100 / runt; |
283 | sys_cpu = (double) ts->sys_time * 100 / runt; | |
c6ae0a5b JA |
284 | } else { |
285 | usr_cpu = 0; | |
286 | sys_cpu = 0; | |
287 | } | |
288 | ||
6d86144d | 289 | log_info(";%f%%;%f%%;%lu", usr_cpu, sys_cpu, ts->ctx); |
2270890c JA |
290 | |
291 | stat_calc_dist(ts, io_u_dist); | |
292 | stat_calc_lat(ts, io_u_lat); | |
293 | ||
6d86144d | 294 | log_info(";%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%", io_u_dist[0], io_u_dist[1], io_u_dist[2], io_u_dist[3], io_u_dist[4], io_u_dist[5], io_u_dist[6]); |
2270890c | 295 | |
d0f62ba3 JA |
296 | log_info(";%3.2f%%;%3.2f%%;%3.2f%%;%3.2f%%;%3.2f%%;%3.2f%%\n", io_u_lat[0], io_u_lat[1], io_u_lat[2], io_u_lat[3], io_u_lat[4], io_u_lat[5]); |
297 | log_info(";%3.2f%%;%3.2f%%;%3.2f%%;%3.2f%%;%3.2f%%", io_u_lat[6], io_u_lat[7], io_u_lat[8], io_u_lat[9], io_u_lat[10]); | |
2270890c JA |
298 | |
299 | if (ts->description) | |
6d86144d | 300 | log_info(";%s", ts->description); |
2270890c | 301 | |
6d86144d | 302 | log_info("\n"); |
756867bd JA |
303 | } |
304 | ||
197574e4 | 305 | static void sum_stat(struct io_stat *dst, struct io_stat *src, int nr) |
756867bd JA |
306 | { |
307 | double mean, S; | |
308 | ||
309 | dst->min_val = min(dst->min_val, src->min_val); | |
310 | dst->max_val = max(dst->max_val, src->max_val); | |
311 | dst->samples += src->samples; | |
312 | ||
313 | /* | |
314 | * Needs a new method for calculating stddev, we cannot just | |
315 | * average them we do below for nr > 1 | |
316 | */ | |
317 | if (nr == 1) { | |
318 | mean = src->mean; | |
319 | S = src->S; | |
320 | } else { | |
c39cced6 JA |
321 | mean = ((src->mean * (double) (nr - 1)) + dst->mean) / ((double) nr); |
322 | S = ((src->S * (double) (nr - 1)) + dst->S) / ((double) nr); | |
756867bd JA |
323 | } |
324 | ||
325 | dst->mean = mean; | |
326 | dst->S = S; | |
327 | } | |
328 | ||
3c39a379 JA |
329 | void show_run_stats(void) |
330 | { | |
331 | struct group_run_stats *runstats, *rs; | |
332 | struct thread_data *td; | |
756867bd | 333 | struct thread_stat *threadstats, *ts; |
197574e4 | 334 | int i, j, k, l, nr_ts, last_ts, idx; |
3c39a379 JA |
335 | |
336 | runstats = malloc(sizeof(struct group_run_stats) * (groupid + 1)); | |
337 | ||
338 | for (i = 0; i < groupid + 1; i++) { | |
339 | rs = &runstats[i]; | |
340 | ||
341 | memset(rs, 0, sizeof(*rs)); | |
342 | rs->min_bw[0] = rs->min_run[0] = ~0UL; | |
343 | rs->min_bw[1] = rs->min_run[1] = ~0UL; | |
344 | } | |
345 | ||
756867bd JA |
346 | /* |
347 | * find out how many threads stats we need. if group reporting isn't | |
348 | * enabled, it's one-per-td. | |
349 | */ | |
350 | nr_ts = 0; | |
351 | last_ts = -1; | |
352 | for_each_td(td, i) { | |
2dc1bbeb | 353 | if (!td->o.group_reporting) { |
756867bd JA |
354 | nr_ts++; |
355 | continue; | |
356 | } | |
357 | if (last_ts == td->groupid) | |
358 | continue; | |
359 | ||
360 | last_ts = td->groupid; | |
361 | nr_ts++; | |
362 | } | |
363 | ||
364 | threadstats = malloc(nr_ts * sizeof(struct thread_stat)); | |
365 | ||
366 | for (i = 0; i < nr_ts; i++) { | |
367 | ts = &threadstats[i]; | |
368 | ||
369 | memset(ts, 0, sizeof(*ts)); | |
de64df05 | 370 | for (j = 0; j <= DDIR_WRITE; j++) { |
197574e4 JA |
371 | ts->clat_stat[j].min_val = -1UL; |
372 | ts->slat_stat[j].min_val = -1UL; | |
373 | ts->bw_stat[j].min_val = -1UL; | |
374 | } | |
7abd0e3a | 375 | ts->groupid = -1; |
756867bd JA |
376 | } |
377 | ||
378 | j = 0; | |
379 | last_ts = -1; | |
197574e4 | 380 | idx = 0; |
34572e28 | 381 | for_each_td(td, i) { |
2dc1bbeb JA |
382 | if (idx && (!td->o.group_reporting || |
383 | (td->o.group_reporting && last_ts != td->groupid))) { | |
7abd0e3a JA |
384 | idx = 0; |
385 | j++; | |
386 | } | |
387 | ||
388 | last_ts = td->groupid; | |
389 | ||
756867bd JA |
390 | ts = &threadstats[j]; |
391 | ||
197574e4 | 392 | idx++; |
6586ee89 | 393 | ts->members++; |
756867bd | 394 | |
7abd0e3a | 395 | if (ts->groupid == -1) { |
2dc84ba7 JA |
396 | /* |
397 | * These are per-group shared already | |
398 | */ | |
2dc1bbeb JA |
399 | ts->name = td->o.name; |
400 | ts->description = td->o.description; | |
756867bd | 401 | ts->groupid = td->groupid; |
2dc84ba7 JA |
402 | |
403 | /* | |
404 | * first pid in group, not very useful... | |
405 | */ | |
756867bd | 406 | ts->pid = td->pid; |
2dc84ba7 JA |
407 | } |
408 | ||
409 | if (td->error && !ts->error) { | |
410 | ts->error = td->error; | |
756867bd JA |
411 | ts->verror = td->verror; |
412 | } | |
413 | ||
de64df05 | 414 | for (l = 0; l <= DDIR_WRITE; l++) { |
197574e4 JA |
415 | sum_stat(&ts->clat_stat[l], &td->ts.clat_stat[l], idx); |
416 | sum_stat(&ts->slat_stat[l], &td->ts.slat_stat[l], idx); | |
417 | sum_stat(&ts->bw_stat[l], &td->ts.bw_stat[l], idx); | |
756867bd | 418 | |
197574e4 JA |
419 | ts->stat_io_bytes[l] += td->ts.stat_io_bytes[l]; |
420 | ts->io_bytes[l] += td->ts.io_bytes[l]; | |
421 | ||
422 | if (ts->runtime[l] < td->ts.runtime[l]) | |
423 | ts->runtime[l] = td->ts.runtime[l]; | |
424 | } | |
756867bd JA |
425 | |
426 | ts->usr_time += td->ts.usr_time; | |
427 | ts->sys_time += td->ts.sys_time; | |
428 | ts->ctx += td->ts.ctx; | |
429 | ||
430 | for (k = 0; k < FIO_IO_U_MAP_NR; k++) | |
431 | ts->io_u_map[k] += td->ts.io_u_map[k]; | |
432 | for (k = 0; k < FIO_IO_U_LAT_NR; k++) | |
433 | ts->io_u_lat[k] += td->ts.io_u_lat[k]; | |
434 | ||
30061b97 | 435 | for (k = 0; k <= DDIR_WRITE; k++) { |
b3605062 | 436 | ts->total_io_u[k] += td->ts.total_io_u[k]; |
30061b97 JA |
437 | ts->short_io_u[k] += td->ts.short_io_u[k]; |
438 | } | |
756867bd JA |
439 | |
440 | ts->total_run_time += td->ts.total_run_time; | |
756867bd JA |
441 | } |
442 | ||
443 | for (i = 0; i < nr_ts; i++) { | |
94370ac4 | 444 | unsigned long long bw; |
3c39a379 | 445 | |
756867bd JA |
446 | ts = &threadstats[i]; |
447 | rs = &runstats[ts->groupid]; | |
3c39a379 | 448 | |
de64df05 | 449 | for (j = 0; j <= DDIR_WRITE; j++) { |
94370ac4 JA |
450 | if (!ts->runtime[j]) |
451 | continue; | |
452 | if (ts->runtime[j] < rs->min_run[j] || !rs->min_run[j]) | |
453 | rs->min_run[j] = ts->runtime[j]; | |
454 | if (ts->runtime[j] > rs->max_run[j]) | |
455 | rs->max_run[j] = ts->runtime[j]; | |
456 | ||
457 | bw = 0; | |
458 | if (ts->runtime[j]) | |
459 | bw = ts->io_bytes[j] / (unsigned long long) ts->runtime[j]; | |
460 | if (bw < rs->min_bw[j]) | |
461 | rs->min_bw[j] = bw; | |
462 | if (bw > rs->max_bw[j]) | |
463 | rs->max_bw[j] = bw; | |
464 | ||
465 | rs->io_kb[j] += ts->io_bytes[j] >> 10; | |
466 | } | |
3c39a379 JA |
467 | } |
468 | ||
469 | for (i = 0; i < groupid + 1; i++) { | |
470 | rs = &runstats[i]; | |
471 | ||
472 | if (rs->max_run[0]) | |
473 | rs->agg[0] = (rs->io_kb[0]*1024) / rs->max_run[0]; | |
474 | if (rs->max_run[1]) | |
475 | rs->agg[1] = (rs->io_kb[1]*1024) / rs->max_run[1]; | |
476 | } | |
477 | ||
478 | /* | |
479 | * don't overwrite last signal output | |
480 | */ | |
c6ae0a5b JA |
481 | if (!terse_output) |
482 | printf("\n"); | |
3c39a379 | 483 | |
756867bd JA |
484 | for (i = 0; i < nr_ts; i++) { |
485 | ts = &threadstats[i]; | |
486 | rs = &runstats[ts->groupid]; | |
3c39a379 | 487 | |
c6ae0a5b | 488 | if (terse_output) |
756867bd | 489 | show_thread_status_terse(ts, rs); |
c6ae0a5b | 490 | else |
756867bd | 491 | show_thread_status(ts, rs); |
3c39a379 JA |
492 | } |
493 | ||
c6ae0a5b JA |
494 | if (!terse_output) { |
495 | for (i = 0; i < groupid + 1; i++) | |
496 | show_group_stats(&runstats[i], i); | |
3c39a379 | 497 | |
c6ae0a5b JA |
498 | show_disk_util(); |
499 | } | |
eecf272f JA |
500 | |
501 | free(runstats); | |
756867bd | 502 | free(threadstats); |
3c39a379 JA |
503 | } |
504 | ||
68704084 | 505 | static inline void add_stat_sample(struct io_stat *is, unsigned long data) |
3c39a379 | 506 | { |
68704084 | 507 | double val = data; |
6660cc67 | 508 | double delta; |
68704084 JA |
509 | |
510 | if (data > is->max_val) | |
511 | is->max_val = data; | |
512 | if (data < is->min_val) | |
513 | is->min_val = data; | |
514 | ||
515 | delta = val - is->mean; | |
ef11d737 JA |
516 | if (delta) { |
517 | is->mean += delta / (is->samples + 1.0); | |
518 | is->S += delta * (val - is->mean); | |
519 | } | |
3c39a379 | 520 | |
3c39a379 JA |
521 | is->samples++; |
522 | } | |
523 | ||
bb3884d8 JA |
524 | static void __add_log_sample(struct io_log *iolog, unsigned long val, |
525 | enum fio_ddir ddir, unsigned long time) | |
3c39a379 JA |
526 | { |
527 | if (iolog->nr_samples == iolog->max_samples) { | |
528 | int new_size = sizeof(struct io_sample) * iolog->max_samples*2; | |
529 | ||
530 | iolog->log = realloc(iolog->log, new_size); | |
531 | iolog->max_samples <<= 1; | |
532 | } | |
533 | ||
534 | iolog->log[iolog->nr_samples].val = val; | |
bb3884d8 | 535 | iolog->log[iolog->nr_samples].time = time; |
3c39a379 JA |
536 | iolog->log[iolog->nr_samples].ddir = ddir; |
537 | iolog->nr_samples++; | |
538 | } | |
539 | ||
bb3884d8 JA |
540 | static void add_log_sample(struct thread_data *td, struct io_log *iolog, |
541 | unsigned long val, enum fio_ddir ddir) | |
542 | { | |
543 | __add_log_sample(iolog, val, ddir, mtime_since_now(&td->epoch)); | |
544 | } | |
545 | ||
546 | void add_agg_sample(unsigned long val, enum fio_ddir ddir) | |
547 | { | |
548 | struct io_log *iolog = agg_io_log[ddir]; | |
549 | ||
550 | __add_log_sample(iolog, val, ddir, mtime_since_genesis()); | |
551 | } | |
552 | ||
1e97cce9 JA |
553 | void add_clat_sample(struct thread_data *td, enum fio_ddir ddir, |
554 | unsigned long msec) | |
3c39a379 | 555 | { |
756867bd | 556 | struct thread_stat *ts = &td->ts; |
079ad09b JA |
557 | |
558 | add_stat_sample(&ts->clat_stat[ddir], msec); | |
3c39a379 | 559 | |
079ad09b JA |
560 | if (ts->clat_log) |
561 | add_log_sample(td, ts->clat_log, msec, ddir); | |
3c39a379 JA |
562 | } |
563 | ||
1e97cce9 JA |
564 | void add_slat_sample(struct thread_data *td, enum fio_ddir ddir, |
565 | unsigned long msec) | |
3c39a379 | 566 | { |
756867bd | 567 | struct thread_stat *ts = &td->ts; |
079ad09b JA |
568 | |
569 | add_stat_sample(&ts->slat_stat[ddir], msec); | |
3c39a379 | 570 | |
079ad09b JA |
571 | if (ts->slat_log) |
572 | add_log_sample(td, ts->slat_log, msec, ddir); | |
3c39a379 JA |
573 | } |
574 | ||
1e97cce9 JA |
575 | void add_bw_sample(struct thread_data *td, enum fio_ddir ddir, |
576 | struct timeval *t) | |
3c39a379 | 577 | { |
756867bd | 578 | struct thread_stat *ts = &td->ts; |
079ad09b | 579 | unsigned long spent = mtime_since(&ts->stat_sample_time[ddir], t); |
3c39a379 JA |
580 | unsigned long rate; |
581 | ||
2dc1bbeb | 582 | if (spent < td->o.bw_avg_time) |
3c39a379 JA |
583 | return; |
584 | ||
079ad09b JA |
585 | rate = (td->this_io_bytes[ddir] - ts->stat_io_bytes[ddir]) / spent; |
586 | add_stat_sample(&ts->bw_stat[ddir], rate); | |
3c39a379 | 587 | |
079ad09b JA |
588 | if (ts->bw_log) |
589 | add_log_sample(td, ts->bw_log, rate, ddir); | |
3c39a379 | 590 | |
079ad09b JA |
591 | fio_gettime(&ts->stat_sample_time[ddir], NULL); |
592 | ts->stat_io_bytes[ddir] = td->this_io_bytes[ddir]; | |
3c39a379 | 593 | } |