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" | |
7c9b1bce | 11 | #include "diskutil.h" |
802ad4a8 | 12 | #include "ieee754.h" |
3c39a379 | 13 | |
3c39a379 JA |
14 | void update_rusage_stat(struct thread_data *td) |
15 | { | |
756867bd | 16 | struct thread_stat *ts = &td->ts; |
3c39a379 | 17 | |
c8aaba19 | 18 | getrusage(RUSAGE_SELF, &td->ru_end); |
079ad09b | 19 | |
c8aaba19 JA |
20 | ts->usr_time += mtime_since(&td->ru_start.ru_utime, |
21 | &td->ru_end.ru_utime); | |
22 | ts->sys_time += mtime_since(&td->ru_start.ru_stime, | |
23 | &td->ru_end.ru_stime); | |
24 | ts->ctx += td->ru_end.ru_nvcsw + td->ru_end.ru_nivcsw | |
25 | - (td->ru_start.ru_nvcsw + td->ru_start.ru_nivcsw); | |
26 | ts->minf += td->ru_end.ru_minflt - td->ru_start.ru_minflt; | |
27 | ts->majf += td->ru_end.ru_majflt - td->ru_start.ru_majflt; | |
5ec10eaa | 28 | |
c8aaba19 | 29 | memcpy(&td->ru_start, &td->ru_end, sizeof(td->ru_end)); |
3c39a379 JA |
30 | } |
31 | ||
83349190 YH |
32 | /* |
33 | * Given a latency, return the index of the corresponding bucket in | |
34 | * the structure tracking percentiles. | |
35 | * | |
36 | * (1) find the group (and error bits) that the value (latency) | |
37 | * belongs to by looking at its MSB. (2) find the bucket number in the | |
38 | * group by looking at the index bits. | |
39 | * | |
40 | */ | |
41 | static unsigned int plat_val_to_idx(unsigned int val) | |
42 | { | |
43 | unsigned int msb, error_bits, base, offset, idx; | |
44 | ||
45 | /* Find MSB starting from bit 0 */ | |
46 | if (val == 0) | |
47 | msb = 0; | |
48 | else | |
49 | msb = (sizeof(val)*8) - __builtin_clz(val) - 1; | |
50 | ||
716050f2 JA |
51 | /* |
52 | * MSB <= (FIO_IO_U_PLAT_BITS-1), cannot be rounded off. Use | |
53 | * all bits of the sample as index | |
54 | */ | |
83349190 YH |
55 | if (msb <= FIO_IO_U_PLAT_BITS) |
56 | return val; | |
57 | ||
58 | /* Compute the number of error bits to discard*/ | |
59 | error_bits = msb - FIO_IO_U_PLAT_BITS; | |
60 | ||
61 | /* Compute the number of buckets before the group */ | |
62 | base = (error_bits + 1) << FIO_IO_U_PLAT_BITS; | |
63 | ||
716050f2 JA |
64 | /* |
65 | * Discard the error bits and apply the mask to find the | |
66 | * index for the buckets in the group | |
67 | */ | |
83349190 YH |
68 | offset = (FIO_IO_U_PLAT_VAL - 1) & (val >> error_bits); |
69 | ||
70 | /* Make sure the index does not exceed (array size - 1) */ | |
71 | idx = (base + offset) < (FIO_IO_U_PLAT_NR - 1)? | |
72 | (base + offset) : (FIO_IO_U_PLAT_NR - 1); | |
73 | ||
74 | return idx; | |
75 | } | |
76 | ||
77 | /* | |
78 | * Convert the given index of the bucket array to the value | |
79 | * represented by the bucket | |
80 | */ | |
81 | static unsigned int plat_idx_to_val(unsigned int idx) | |
82 | { | |
83 | unsigned int error_bits, k, base; | |
84 | ||
85 | assert(idx < FIO_IO_U_PLAT_NR); | |
86 | ||
87 | /* MSB <= (FIO_IO_U_PLAT_BITS-1), cannot be rounded off. Use | |
88 | * all bits of the sample as index */ | |
89 | if (idx < (FIO_IO_U_PLAT_VAL << 1) ) | |
90 | return idx; | |
91 | ||
92 | /* Find the group and compute the minimum value of that group */ | |
93 | error_bits = (idx >> FIO_IO_U_PLAT_BITS) -1; | |
94 | base = 1 << (error_bits + FIO_IO_U_PLAT_BITS); | |
95 | ||
96 | /* Find its bucket number of the group */ | |
97 | k = idx % FIO_IO_U_PLAT_VAL; | |
98 | ||
99 | /* Return the mean of the range of the bucket */ | |
100 | return base + ((k + 0.5) * (1 << error_bits)); | |
101 | } | |
102 | ||
103 | static int double_cmp(const void *a, const void *b) | |
104 | { | |
802ad4a8 JA |
105 | const fio_fp64_t fa = *(const fio_fp64_t *) a; |
106 | const fio_fp64_t fb = *(const fio_fp64_t *) b; | |
83349190 YH |
107 | int cmp = 0; |
108 | ||
802ad4a8 | 109 | if (fa.u.f > fb.u.f) |
83349190 | 110 | cmp = 1; |
802ad4a8 | 111 | else if (fa.u.f < fb.u.f) |
83349190 YH |
112 | cmp = -1; |
113 | ||
114 | return cmp; | |
115 | } | |
116 | ||
117 | /* | |
118 | * Find and display the p-th percentile of clat | |
119 | */ | |
c59971e1 | 120 | static void show_clat_percentiles(unsigned int *io_u_plat, unsigned long nr, |
802ad4a8 | 121 | fio_fp64_t *plist) |
83349190 YH |
122 | { |
123 | unsigned long sum = 0; | |
124 | unsigned int len, i, j = 0; | |
716050f2 | 125 | int is_last = 0; |
83349190 | 126 | |
802ad4a8 JA |
127 | len = 0; |
128 | while (len < FIO_IO_U_LIST_MAX_LEN && plist[len].u.f != 0.0) | |
129 | len++; | |
716050f2 | 130 | |
351de8de JA |
131 | if (!len) |
132 | return; | |
133 | ||
716050f2 | 134 | /* |
802ad4a8 JA |
135 | * Sort the percentile list. Note that it may already be sorted if |
136 | * we are using the default values, but since it's a short list this | |
137 | * isn't a worry. Also note that this does not work for NaN values. | |
716050f2 | 138 | */ |
802ad4a8 JA |
139 | if (len > 1) |
140 | qsort((void*)plist, len, sizeof(plist[0]), double_cmp); | |
83349190 | 141 | |
81ab0b3a | 142 | log_info(" clat percentiles (usec):\n |"); |
83349190 | 143 | |
716050f2 | 144 | for (i = 0; i < FIO_IO_U_PLAT_NR && !is_last; i++) { |
83349190 | 145 | sum += io_u_plat[i]; |
802ad4a8 | 146 | while (sum >= (plist[j].u.f / 100.0 * nr)) { |
81ab0b3a JA |
147 | char fbuf[8]; |
148 | ||
802ad4a8 | 149 | assert(plist[j].u.f <= 100.0); |
83349190 | 150 | |
716050f2 JA |
151 | /* for formatting */ |
152 | if (j != 0 && (j % 4) == 0) | |
81ab0b3a | 153 | log_info(" |"); |
83349190 YH |
154 | |
155 | /* end of the list */ | |
156 | is_last = (j == len - 1); | |
157 | ||
81ab0b3a JA |
158 | if (plist[j].u.f < 10.0) |
159 | sprintf(fbuf, " %2.2f", plist[j].u.f); | |
160 | else | |
161 | sprintf(fbuf, "%2.2f", plist[j].u.f); | |
162 | ||
163 | log_info(" %sth=[%5u]%c", fbuf, plat_idx_to_val(i), | |
351de8de | 164 | is_last ? '\n' : ','); |
83349190 | 165 | |
716050f2 JA |
166 | if (is_last) |
167 | break; | |
83349190 | 168 | |
716050f2 | 169 | if (j % 4 == 3) /* for formatting */ |
83349190 | 170 | log_info("\n"); |
351de8de JA |
171 | if (++j == FIO_IO_U_LIST_MAX_LEN) |
172 | break; | |
83349190 YH |
173 | } |
174 | } | |
175 | } | |
176 | ||
3c39a379 JA |
177 | static int calc_lat(struct io_stat *is, unsigned long *min, unsigned long *max, |
178 | double *mean, double *dev) | |
179 | { | |
68704084 | 180 | double n = is->samples; |
3c39a379 JA |
181 | |
182 | if (is->samples == 0) | |
183 | return 0; | |
184 | ||
185 | *min = is->min_val; | |
186 | *max = is->max_val; | |
187 | ||
188 | n = (double) is->samples; | |
802ad4a8 | 189 | *mean = is->mean.u.f; |
e6d276f2 | 190 | |
68704084 | 191 | if (n > 1.0) |
802ad4a8 | 192 | *dev = sqrt(is->S.u.f / (n - 1.0)); |
ef9c5c40 | 193 | else |
4b43f54e | 194 | *dev = 0; |
ef9c5c40 | 195 | |
3c39a379 JA |
196 | return 1; |
197 | } | |
198 | ||
a64e88da | 199 | void show_group_stats(struct group_run_stats *rs) |
3c39a379 | 200 | { |
dbe1125e JA |
201 | char *p1, *p2, *p3, *p4; |
202 | const char *ddir_str[] = { " READ", " WRITE" }; | |
203 | int i; | |
204 | ||
a64e88da | 205 | log_info("\nRun status group %d (all jobs):\n", rs->groupid); |
3c39a379 | 206 | |
dbe1125e | 207 | for (i = 0; i <= DDIR_WRITE; i++) { |
90fef2d1 JA |
208 | const int i2p = is_power_of_2(rs->kb_base); |
209 | ||
dbe1125e JA |
210 | if (!rs->max_run[i]) |
211 | continue; | |
212 | ||
90fef2d1 JA |
213 | p1 = num2str(rs->io_kb[i], 6, rs->kb_base, i2p); |
214 | p2 = num2str(rs->agg[i], 6, rs->kb_base, i2p); | |
215 | p3 = num2str(rs->min_bw[i], 6, rs->kb_base, i2p); | |
216 | p4 = num2str(rs->max_bw[i], 6, rs->kb_base, i2p); | |
dbe1125e | 217 | |
b22989b9 | 218 | log_info("%s: io=%sB, aggrb=%sB/s, minb=%sB/s, maxb=%sB/s," |
5ec10eaa JA |
219 | " mint=%llumsec, maxt=%llumsec\n", ddir_str[i], p1, p2, |
220 | p3, p4, rs->min_run[i], | |
221 | rs->max_run[i]); | |
dbe1125e JA |
222 | |
223 | free(p1); | |
224 | free(p2); | |
225 | free(p3); | |
226 | free(p4); | |
227 | } | |
3c39a379 JA |
228 | } |
229 | ||
b3605062 JA |
230 | #define ts_total_io_u(ts) \ |
231 | ((ts)->total_io_u[0] + (ts)->total_io_u[1]) | |
232 | ||
838bc709 JA |
233 | static void stat_calc_dist(unsigned int *map, unsigned long total, |
234 | double *io_u_dist) | |
2270890c JA |
235 | { |
236 | int i; | |
237 | ||
238 | /* | |
239 | * Do depth distribution calculations | |
240 | */ | |
241 | for (i = 0; i < FIO_IO_U_MAP_NR; i++) { | |
838bc709 JA |
242 | if (total) { |
243 | io_u_dist[i] = (double) map[i] / (double) total; | |
244 | io_u_dist[i] *= 100.0; | |
245 | if (io_u_dist[i] < 0.1 && map[i]) | |
246 | io_u_dist[i] = 0.1; | |
247 | } else | |
248 | io_u_dist[i] = 0.0; | |
2270890c JA |
249 | } |
250 | } | |
251 | ||
04a0feae JA |
252 | static void stat_calc_lat(struct thread_stat *ts, double *dst, |
253 | unsigned int *src, int nr) | |
2270890c | 254 | { |
838bc709 | 255 | unsigned long total = ts_total_io_u(ts); |
2270890c JA |
256 | int i; |
257 | ||
258 | /* | |
259 | * Do latency distribution calculations | |
260 | */ | |
04a0feae | 261 | for (i = 0; i < nr; i++) { |
838bc709 JA |
262 | if (total) { |
263 | dst[i] = (double) src[i] / (double) total; | |
264 | dst[i] *= 100.0; | |
265 | if (dst[i] < 0.01 && src[i]) | |
266 | dst[i] = 0.01; | |
267 | } else | |
268 | dst[i] = 0.0; | |
2270890c JA |
269 | } |
270 | } | |
271 | ||
04a0feae JA |
272 | static void stat_calc_lat_u(struct thread_stat *ts, double *io_u_lat) |
273 | { | |
274 | stat_calc_lat(ts, io_u_lat, ts->io_u_lat_u, FIO_IO_U_LAT_U_NR); | |
275 | } | |
276 | ||
277 | static void stat_calc_lat_m(struct thread_stat *ts, double *io_u_lat) | |
278 | { | |
279 | stat_calc_lat(ts, io_u_lat, ts->io_u_lat_m, FIO_IO_U_LAT_M_NR); | |
280 | } | |
281 | ||
ea2accc5 JA |
282 | static int usec_to_msec(unsigned long *min, unsigned long *max, double *mean, |
283 | double *dev) | |
284 | { | |
285 | if (*min > 1000 && *max > 1000 && *mean > 1000.0 && *dev > 1000.0) { | |
286 | *min /= 1000; | |
287 | *max /= 1000; | |
288 | *mean /= 1000.0; | |
289 | *dev /= 1000.0; | |
290 | return 0; | |
291 | } | |
292 | ||
293 | return 1; | |
294 | } | |
295 | ||
756867bd | 296 | static void show_ddir_status(struct group_run_stats *rs, struct thread_stat *ts, |
3c39a379 JA |
297 | int ddir) |
298 | { | |
3c9b60c1 | 299 | const char *ddir_str[] = { "read ", "write" }; |
8879fd15 | 300 | unsigned long min, max, runt; |
b3605062 | 301 | unsigned long long bw, iops; |
3c39a379 | 302 | double mean, dev; |
b3605062 | 303 | char *io_p, *bw_p, *iops_p; |
90fef2d1 | 304 | int i2p; |
3c39a379 | 305 | |
ff58fced JA |
306 | assert(ddir_rw(ddir)); |
307 | ||
756867bd | 308 | if (!ts->runtime[ddir]) |
3c39a379 JA |
309 | return; |
310 | ||
90fef2d1 | 311 | i2p = is_power_of_2(rs->kb_base); |
8879fd15 JA |
312 | runt = ts->runtime[ddir]; |
313 | ||
314 | bw = (1000 * ts->io_bytes[ddir]) / runt; | |
90fef2d1 JA |
315 | io_p = num2str(ts->io_bytes[ddir], 6, 1, i2p); |
316 | bw_p = num2str(bw, 6, 1, i2p); | |
8879fd15 | 317 | |
0aacc50c | 318 | iops = (1000 * (uint64_t)ts->total_io_u[ddir]) / runt; |
b3605062 | 319 | iops_p = num2str(iops, 6, 1, 0); |
dbe1125e | 320 | |
cda99fa0 | 321 | log_info(" %s: io=%sB, bw=%sB/s, iops=%s, runt=%6llumsec\n", |
5ec10eaa JA |
322 | ddir_str[ddir], io_p, bw_p, iops_p, |
323 | ts->runtime[ddir]); | |
dbe1125e JA |
324 | |
325 | free(io_p); | |
326 | free(bw_p); | |
b3605062 | 327 | free(iops_p); |
3c39a379 | 328 | |
d85f5118 JA |
329 | if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev)) { |
330 | const char *base = "(usec)"; | |
d9309cb1 | 331 | char *minp, *maxp; |
d85f5118 | 332 | |
ea2accc5 | 333 | if (!usec_to_msec(&min, &max, &mean, &dev)) |
d85f5118 | 334 | base = "(msec)"; |
ea2accc5 | 335 | |
d9309cb1 JA |
336 | minp = num2str(min, 6, 1, 0); |
337 | maxp = num2str(max, 6, 1, 0); | |
338 | ||
5ec10eaa JA |
339 | log_info(" slat %s: min=%s, max=%s, avg=%5.02f," |
340 | " stdev=%5.02f\n", base, minp, maxp, mean, dev); | |
d9309cb1 JA |
341 | |
342 | free(minp); | |
343 | free(maxp); | |
d85f5118 JA |
344 | } |
345 | if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev)) { | |
346 | const char *base = "(usec)"; | |
d9309cb1 | 347 | char *minp, *maxp; |
d85f5118 | 348 | |
ea2accc5 JA |
349 | if (!usec_to_msec(&min, &max, &mean, &dev)) |
350 | base = "(msec)"; | |
351 | ||
d9309cb1 JA |
352 | minp = num2str(min, 6, 1, 0); |
353 | maxp = num2str(max, 6, 1, 0); | |
5ec10eaa JA |
354 | |
355 | log_info(" clat %s: min=%s, max=%s, avg=%5.02f," | |
356 | " stdev=%5.02f\n", base, minp, maxp, mean, dev); | |
d9309cb1 JA |
357 | |
358 | free(minp); | |
359 | free(maxp); | |
d85f5118 | 360 | } |
02af0988 JA |
361 | if (calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev)) { |
362 | const char *base = "(usec)"; | |
363 | char *minp, *maxp; | |
364 | ||
365 | if (!usec_to_msec(&min, &max, &mean, &dev)) | |
366 | base = "(msec)"; | |
367 | ||
368 | minp = num2str(min, 6, 1, 0); | |
369 | maxp = num2str(max, 6, 1, 0); | |
370 | ||
371 | log_info(" lat %s: min=%s, max=%s, avg=%5.02f," | |
372 | " stdev=%5.02f\n", base, minp, maxp, mean, dev); | |
373 | ||
374 | free(minp); | |
375 | free(maxp); | |
376 | } | |
83349190 YH |
377 | if (ts->clat_percentiles) { |
378 | show_clat_percentiles(ts->io_u_plat[ddir], | |
379 | ts->clat_stat[ddir].samples, | |
380 | ts->percentile_list); | |
381 | } | |
079ad09b | 382 | if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) { |
3c39a379 JA |
383 | double p_of_agg; |
384 | ||
385 | p_of_agg = mean * 100 / (double) rs->agg[ddir]; | |
c8eeb9df | 386 | log_info(" bw (KB/s) : min=%5lu, max=%5lu, per=%3.2f%%," |
5ec10eaa JA |
387 | " avg=%5.02f, stdev=%5.02f\n", min, max, p_of_agg, |
388 | mean, dev); | |
3c39a379 JA |
389 | } |
390 | } | |
391 | ||
04a0feae JA |
392 | static void show_lat(double *io_u_lat, int nr, const char **ranges, |
393 | const char *msg) | |
394 | { | |
395 | int new_line = 1, i, line = 0; | |
396 | ||
397 | for (i = 0; i < nr; i++) { | |
398 | if (io_u_lat[i] <= 0.0) | |
399 | continue; | |
400 | if (new_line) { | |
4539ed73 JA |
401 | if (line) |
402 | log_info("\n"); | |
04a0feae JA |
403 | log_info(" lat (%s): ", msg); |
404 | new_line = 0; | |
405 | line = 0; | |
406 | } | |
407 | if (line) | |
408 | log_info(", "); | |
409 | log_info("%s%3.2f%%", ranges[i], io_u_lat[i]); | |
410 | line++; | |
411 | if (line == 5) | |
412 | new_line = 1; | |
413 | } | |
04a0feae JA |
414 | } |
415 | ||
416 | static void show_lat_u(double *io_u_lat_u) | |
417 | { | |
418 | const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=", | |
419 | "250=", "500=", "750=", "1000=", }; | |
420 | ||
421 | show_lat(io_u_lat_u, FIO_IO_U_LAT_U_NR, ranges, "usec"); | |
422 | } | |
423 | ||
424 | static void show_lat_m(double *io_u_lat_m) | |
425 | { | |
426 | const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=", | |
427 | "250=", "500=", "750=", "1000=", "2000=", | |
428 | ">=2000=", }; | |
429 | ||
430 | show_lat(io_u_lat_m, FIO_IO_U_LAT_M_NR, ranges, "msec"); | |
431 | } | |
432 | ||
433 | static void show_latencies(double *io_u_lat_u, double *io_u_lat_m) | |
434 | { | |
435 | show_lat_u(io_u_lat_u); | |
4539ed73 | 436 | log_info("\n"); |
04a0feae JA |
437 | show_lat_m(io_u_lat_m); |
438 | log_info("\n"); | |
439 | } | |
440 | ||
a64e88da | 441 | void show_thread_status(struct thread_stat *ts, struct group_run_stats *rs) |
3c39a379 JA |
442 | { |
443 | double usr_cpu, sys_cpu; | |
69008999 | 444 | unsigned long runtime; |
71619dc2 | 445 | double io_u_dist[FIO_IO_U_MAP_NR]; |
04a0feae JA |
446 | double io_u_lat_u[FIO_IO_U_LAT_U_NR]; |
447 | double io_u_lat_m[FIO_IO_U_LAT_M_NR]; | |
3c39a379 | 448 | |
b4c5e1ac JA |
449 | if (!(ts->io_bytes[0] + ts->io_bytes[1]) && |
450 | !(ts->total_io_u[0] + ts->total_io_u[1])) | |
3c39a379 JA |
451 | return; |
452 | ||
5ec10eaa JA |
453 | if (!ts->error) { |
454 | log_info("%s: (groupid=%d, jobs=%d): err=%2d: pid=%d\n", | |
455 | ts->name, ts->groupid, ts->members, | |
5921e80c | 456 | ts->error, (int) ts->pid); |
5ec10eaa JA |
457 | } else { |
458 | log_info("%s: (groupid=%d, jobs=%d): err=%2d (%s): pid=%d\n", | |
459 | ts->name, ts->groupid, ts->members, | |
5921e80c | 460 | ts->error, ts->verror, (int) ts->pid); |
5ec10eaa | 461 | } |
3c39a379 | 462 | |
7bdce1bd | 463 | if (ts->description) |
6d86144d | 464 | log_info(" Description : [%s]\n", ts->description); |
7bdce1bd | 465 | |
756867bd JA |
466 | if (ts->io_bytes[DDIR_READ]) |
467 | show_ddir_status(rs, ts, DDIR_READ); | |
468 | if (ts->io_bytes[DDIR_WRITE]) | |
469 | show_ddir_status(rs, ts, DDIR_WRITE); | |
3c39a379 | 470 | |
756867bd | 471 | runtime = ts->total_run_time; |
69008999 | 472 | if (runtime) { |
1e97cce9 | 473 | double runt = (double) runtime; |
3c39a379 | 474 | |
756867bd JA |
475 | usr_cpu = (double) ts->usr_time * 100 / runt; |
476 | sys_cpu = (double) ts->sys_time * 100 / runt; | |
3c39a379 JA |
477 | } else { |
478 | usr_cpu = 0; | |
479 | sys_cpu = 0; | |
480 | } | |
481 | ||
5ec10eaa JA |
482 | log_info(" cpu : usr=%3.2f%%, sys=%3.2f%%, ctx=%lu, majf=%lu," |
483 | " minf=%lu\n", usr_cpu, sys_cpu, ts->ctx, ts->majf, ts->minf); | |
71619dc2 | 484 | |
838bc709 | 485 | stat_calc_dist(ts->io_u_map, ts_total_io_u(ts), io_u_dist); |
5ec10eaa JA |
486 | log_info(" IO depths : 1=%3.1f%%, 2=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%," |
487 | " 16=%3.1f%%, 32=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0], | |
488 | io_u_dist[1], io_u_dist[2], | |
489 | io_u_dist[3], io_u_dist[4], | |
490 | io_u_dist[5], io_u_dist[6]); | |
838bc709 JA |
491 | |
492 | stat_calc_dist(ts->io_u_submit, ts->total_submit, io_u_dist); | |
493 | log_info(" submit : 0=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%, 16=%3.1f%%," | |
494 | " 32=%3.1f%%, 64=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0], | |
495 | io_u_dist[1], io_u_dist[2], | |
496 | io_u_dist[3], io_u_dist[4], | |
497 | io_u_dist[5], io_u_dist[6]); | |
498 | stat_calc_dist(ts->io_u_complete, ts->total_complete, io_u_dist); | |
499 | log_info(" complete : 0=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%, 16=%3.1f%%," | |
500 | " 32=%3.1f%%, 64=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0], | |
501 | io_u_dist[1], io_u_dist[2], | |
502 | io_u_dist[3], io_u_dist[4], | |
503 | io_u_dist[5], io_u_dist[6]); | |
0d29de83 | 504 | log_info(" issued r/w/d: total=%lu/%lu/%lu, short=%lu/%lu/%lu\n", |
5ec10eaa | 505 | ts->total_io_u[0], ts->total_io_u[1], |
0d29de83 JA |
506 | ts->total_io_u[2], |
507 | ts->short_io_u[0], ts->short_io_u[1], | |
508 | ts->short_io_u[2]); | |
838bc709 JA |
509 | stat_calc_lat_u(ts, io_u_lat_u); |
510 | stat_calc_lat_m(ts, io_u_lat_m); | |
04a0feae | 511 | show_latencies(io_u_lat_u, io_u_lat_m); |
f2bba182 | 512 | if (ts->continue_on_error) { |
1ec99eea JA |
513 | log_info(" errors : total=%lu, first_error=%d/<%s>\n", |
514 | ts->total_err_count, | |
515 | ts->first_error, | |
516 | strerror(ts->first_error)); | |
f2bba182 | 517 | } |
3c39a379 JA |
518 | } |
519 | ||
756867bd | 520 | static void show_ddir_status_terse(struct thread_stat *ts, |
c6ae0a5b JA |
521 | struct group_run_stats *rs, int ddir) |
522 | { | |
523 | unsigned long min, max; | |
524 | unsigned long long bw; | |
525 | double mean, dev; | |
526 | ||
ff58fced JA |
527 | assert(ddir_rw(ddir)); |
528 | ||
c6ae0a5b | 529 | bw = 0; |
756867bd JA |
530 | if (ts->runtime[ddir]) |
531 | bw = ts->io_bytes[ddir] / ts->runtime[ddir]; | |
c6ae0a5b | 532 | |
cda99fa0 | 533 | log_info(";%llu;%llu;%llu", ts->io_bytes[ddir] >> 10, bw, |
5ec10eaa | 534 | ts->runtime[ddir]); |
c6ae0a5b | 535 | |
079ad09b | 536 | if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev)) |
6d86144d | 537 | log_info(";%lu;%lu;%f;%f", min, max, mean, dev); |
c6ae0a5b | 538 | else |
6d86144d | 539 | log_info(";%lu;%lu;%f;%f", 0UL, 0UL, 0.0, 0.0); |
c6ae0a5b | 540 | |
079ad09b | 541 | if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev)) |
6d86144d | 542 | log_info(";%lu;%lu;%f;%f", min, max, mean, dev); |
c6ae0a5b | 543 | else |
6d86144d | 544 | log_info(";%lu;%lu;%f;%f", 0UL, 0UL, 0.0, 0.0); |
c6ae0a5b | 545 | |
02af0988 JA |
546 | if (calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev)) |
547 | log_info(";%lu;%lu;%f;%f", min, max, mean, dev); | |
548 | else | |
549 | log_info(";%lu;%lu;%f;%f", 0UL, 0UL, 0.0, 0.0); | |
550 | ||
079ad09b | 551 | if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) { |
c6ae0a5b JA |
552 | double p_of_agg; |
553 | ||
554 | p_of_agg = mean * 100 / (double) rs->agg[ddir]; | |
6d86144d | 555 | log_info(";%lu;%lu;%f%%;%f;%f", min, max, p_of_agg, mean, dev); |
c6ae0a5b | 556 | } else |
6d86144d | 557 | log_info(";%lu;%lu;%f%%;%f;%f", 0UL, 0UL, 0.0, 0.0, 0.0); |
c6ae0a5b JA |
558 | } |
559 | ||
525c2bfa | 560 | #define FIO_TERSE_VERSION "2" |
c6ae0a5b | 561 | |
756867bd | 562 | static void show_thread_status_terse(struct thread_stat *ts, |
c6ae0a5b JA |
563 | struct group_run_stats *rs) |
564 | { | |
2270890c | 565 | double io_u_dist[FIO_IO_U_MAP_NR]; |
04a0feae JA |
566 | double io_u_lat_u[FIO_IO_U_LAT_U_NR]; |
567 | double io_u_lat_m[FIO_IO_U_LAT_M_NR]; | |
c6ae0a5b | 568 | double usr_cpu, sys_cpu; |
04a0feae | 569 | int i; |
c6ae0a5b | 570 | |
562c2d2f | 571 | /* General Info */ |
525c2bfa JA |
572 | log_info("%s;%s;%d;%d", FIO_TERSE_VERSION, ts->name, ts->groupid, |
573 | ts->error); | |
562c2d2f | 574 | /* Log Read Status */ |
756867bd | 575 | show_ddir_status_terse(ts, rs, 0); |
562c2d2f | 576 | /* Log Write Status */ |
756867bd | 577 | show_ddir_status_terse(ts, rs, 1); |
c6ae0a5b | 578 | |
562c2d2f | 579 | /* CPU Usage */ |
756867bd JA |
580 | if (ts->total_run_time) { |
581 | double runt = (double) ts->total_run_time; | |
c6ae0a5b | 582 | |
756867bd JA |
583 | usr_cpu = (double) ts->usr_time * 100 / runt; |
584 | sys_cpu = (double) ts->sys_time * 100 / runt; | |
c6ae0a5b JA |
585 | } else { |
586 | usr_cpu = 0; | |
587 | sys_cpu = 0; | |
588 | } | |
589 | ||
5ec10eaa JA |
590 | log_info(";%f%%;%f%%;%lu;%lu;%lu", usr_cpu, sys_cpu, ts->ctx, ts->majf, |
591 | ts->minf); | |
2270890c | 592 | |
562c2d2f | 593 | /* Calc % distribution of IO depths, usecond, msecond latency */ |
838bc709 | 594 | stat_calc_dist(ts->io_u_map, ts_total_io_u(ts), io_u_dist); |
04a0feae JA |
595 | stat_calc_lat_u(ts, io_u_lat_u); |
596 | stat_calc_lat_m(ts, io_u_lat_m); | |
2270890c | 597 | |
562c2d2f | 598 | /* Only show fixed 7 I/O depth levels*/ |
5ec10eaa JA |
599 | log_info(";%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%", |
600 | io_u_dist[0], io_u_dist[1], io_u_dist[2], io_u_dist[3], | |
601 | io_u_dist[4], io_u_dist[5], io_u_dist[6]); | |
2270890c | 602 | |
562c2d2f | 603 | /* Microsecond latency */ |
04a0feae JA |
604 | for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) |
605 | log_info(";%3.2f%%", io_u_lat_u[i]); | |
562c2d2f | 606 | /* Millisecond latency */ |
04a0feae JA |
607 | for (i = 0; i < FIO_IO_U_LAT_M_NR; i++) |
608 | log_info(";%3.2f%%", io_u_lat_m[i]); | |
562c2d2f | 609 | /* Additional output if continue_on_error set - default off*/ |
f2bba182 RR |
610 | if (ts->continue_on_error) |
611 | log_info(";%lu;%d", ts->total_err_count, ts->first_error); | |
04a0feae | 612 | log_info("\n"); |
2270890c | 613 | |
562c2d2f | 614 | /* Additional output if description is set */ |
2270890c | 615 | if (ts->description) |
6d86144d | 616 | log_info(";%s", ts->description); |
2270890c | 617 | |
6d86144d | 618 | log_info("\n"); |
756867bd JA |
619 | } |
620 | ||
197574e4 | 621 | static void sum_stat(struct io_stat *dst, struct io_stat *src, int nr) |
756867bd JA |
622 | { |
623 | double mean, S; | |
624 | ||
e09231c2 ZL |
625 | if (src->samples == 0) |
626 | return; | |
627 | ||
756867bd JA |
628 | dst->min_val = min(dst->min_val, src->min_val); |
629 | dst->max_val = max(dst->max_val, src->max_val); | |
756867bd JA |
630 | |
631 | /* | |
cdcac5cf YH |
632 | * Compute new mean and S after the merge |
633 | * <http://en.wikipedia.org/wiki/Algorithms_for_calculating_variance | |
634 | * #Parallel_algorithm> | |
756867bd JA |
635 | */ |
636 | if (nr == 1) { | |
802ad4a8 JA |
637 | mean = src->mean.u.f; |
638 | S = src->S.u.f; | |
756867bd | 639 | } else { |
802ad4a8 | 640 | double delta = src->mean.u.f - dst->mean.u.f; |
cdcac5cf | 641 | |
802ad4a8 JA |
642 | mean = ((src->mean.u.f * src->samples) + |
643 | (dst->mean.u.f * dst->samples)) / | |
cdcac5cf YH |
644 | (dst->samples + src->samples); |
645 | ||
802ad4a8 | 646 | S = src->S.u.f + dst->S.u.f + pow(delta, 2.0) * |
cdcac5cf YH |
647 | (dst->samples * src->samples) / |
648 | (dst->samples + src->samples); | |
756867bd JA |
649 | } |
650 | ||
cdcac5cf | 651 | dst->samples += src->samples; |
802ad4a8 JA |
652 | dst->mean.u.f = mean; |
653 | dst->S.u.f = S; | |
756867bd JA |
654 | } |
655 | ||
37f0c1ae JA |
656 | void sum_group_stats(struct group_run_stats *dst, struct group_run_stats *src) |
657 | { | |
658 | int i; | |
659 | ||
660 | for (i = 0; i < 2; i++) { | |
661 | if (dst->max_run[i] < src->max_run[i]) | |
662 | dst->max_run[i] = src->max_run[i]; | |
663 | if (dst->min_run[i] && dst->min_run[i] > src->min_run[i]) | |
664 | dst->min_run[i] = src->min_run[i]; | |
665 | if (dst->max_bw[i] < src->max_bw[i]) | |
666 | dst->max_bw[i] = src->max_bw[i]; | |
667 | if (dst->min_bw[i] && dst->min_bw[i] > src->min_bw[i]) | |
668 | dst->min_bw[i] = src->min_bw[i]; | |
669 | ||
670 | dst->io_kb[i] += src->io_kb[i]; | |
671 | dst->agg[i] += src->agg[i]; | |
672 | } | |
673 | ||
674 | } | |
675 | ||
5b9babb7 JA |
676 | void sum_thread_stats(struct thread_stat *dst, struct thread_stat *src, int nr) |
677 | { | |
678 | int l, k; | |
679 | ||
680 | for (l = 0; l <= DDIR_WRITE; l++) { | |
681 | sum_stat(&dst->clat_stat[l], &src->clat_stat[l], nr); | |
682 | sum_stat(&dst->slat_stat[l], &src->slat_stat[l], nr); | |
683 | sum_stat(&dst->lat_stat[l], &src->lat_stat[l], nr); | |
684 | sum_stat(&dst->bw_stat[l], &src->bw_stat[l], nr); | |
685 | ||
686 | dst->io_bytes[l] += src->io_bytes[l]; | |
687 | ||
688 | if (dst->runtime[l] < src->runtime[l]) | |
689 | dst->runtime[l] = src->runtime[l]; | |
690 | } | |
691 | ||
692 | dst->usr_time += src->usr_time; | |
693 | dst->sys_time += src->sys_time; | |
694 | dst->ctx += src->ctx; | |
695 | dst->majf += src->majf; | |
696 | dst->minf += src->minf; | |
697 | ||
698 | for (k = 0; k < FIO_IO_U_MAP_NR; k++) | |
699 | dst->io_u_map[k] += src->io_u_map[k]; | |
700 | for (k = 0; k < FIO_IO_U_MAP_NR; k++) | |
701 | dst->io_u_submit[k] += src->io_u_submit[k]; | |
702 | for (k = 0; k < FIO_IO_U_MAP_NR; k++) | |
703 | dst->io_u_complete[k] += src->io_u_complete[k]; | |
704 | for (k = 0; k < FIO_IO_U_LAT_U_NR; k++) | |
705 | dst->io_u_lat_u[k] += src->io_u_lat_u[k]; | |
706 | for (k = 0; k < FIO_IO_U_LAT_M_NR; k++) | |
707 | dst->io_u_lat_m[k] += src->io_u_lat_m[k]; | |
708 | ||
709 | for (k = 0; k <= 2; k++) { | |
710 | dst->total_io_u[k] += src->total_io_u[k]; | |
711 | dst->short_io_u[k] += src->short_io_u[k]; | |
712 | } | |
713 | ||
714 | for (k = 0; k <= DDIR_WRITE; k++) { | |
715 | int m; | |
716 | for (m = 0; m < FIO_IO_U_PLAT_NR; m++) | |
717 | dst->io_u_plat[k][m] += src->io_u_plat[k][m]; | |
718 | } | |
719 | ||
720 | dst->total_run_time += src->total_run_time; | |
721 | dst->total_submit += src->total_submit; | |
722 | dst->total_complete += src->total_complete; | |
723 | } | |
724 | ||
37f0c1ae JA |
725 | void init_group_run_stat(struct group_run_stats *gs) |
726 | { | |
727 | memset(gs, 0, sizeof(*gs)); | |
728 | gs->min_bw[0] = gs->min_run[0] = ~0UL; | |
729 | gs->min_bw[1] = gs->min_run[1] = ~0UL; | |
730 | } | |
731 | ||
732 | void init_thread_stat(struct thread_stat *ts) | |
733 | { | |
734 | int j; | |
735 | ||
736 | memset(ts, 0, sizeof(*ts)); | |
737 | ||
738 | for (j = 0; j <= DDIR_WRITE; j++) { | |
739 | ts->lat_stat[j].min_val = -1UL; | |
740 | ts->clat_stat[j].min_val = -1UL; | |
741 | ts->slat_stat[j].min_val = -1UL; | |
742 | ts->bw_stat[j].min_val = -1UL; | |
743 | } | |
744 | ts->groupid = -1; | |
745 | } | |
746 | ||
3c39a379 JA |
747 | void show_run_stats(void) |
748 | { | |
749 | struct group_run_stats *runstats, *rs; | |
750 | struct thread_data *td; | |
756867bd | 751 | struct thread_stat *threadstats, *ts; |
5b9babb7 | 752 | int i, j, nr_ts, last_ts, idx; |
90fef2d1 | 753 | int kb_base_warned = 0; |
3c39a379 JA |
754 | |
755 | runstats = malloc(sizeof(struct group_run_stats) * (groupid + 1)); | |
756 | ||
37f0c1ae JA |
757 | for (i = 0; i < groupid + 1; i++) |
758 | init_group_run_stat(&runstats[i]); | |
3c39a379 | 759 | |
756867bd JA |
760 | /* |
761 | * find out how many threads stats we need. if group reporting isn't | |
762 | * enabled, it's one-per-td. | |
763 | */ | |
764 | nr_ts = 0; | |
765 | last_ts = -1; | |
766 | for_each_td(td, i) { | |
2dc1bbeb | 767 | if (!td->o.group_reporting) { |
756867bd JA |
768 | nr_ts++; |
769 | continue; | |
770 | } | |
771 | if (last_ts == td->groupid) | |
772 | continue; | |
773 | ||
774 | last_ts = td->groupid; | |
775 | nr_ts++; | |
776 | } | |
777 | ||
778 | threadstats = malloc(nr_ts * sizeof(struct thread_stat)); | |
779 | ||
37f0c1ae JA |
780 | for (i = 0; i < nr_ts; i++) |
781 | init_thread_stat(&threadstats[i]); | |
756867bd JA |
782 | |
783 | j = 0; | |
784 | last_ts = -1; | |
197574e4 | 785 | idx = 0; |
34572e28 | 786 | for_each_td(td, i) { |
2dc1bbeb JA |
787 | if (idx && (!td->o.group_reporting || |
788 | (td->o.group_reporting && last_ts != td->groupid))) { | |
7abd0e3a JA |
789 | idx = 0; |
790 | j++; | |
791 | } | |
792 | ||
793 | last_ts = td->groupid; | |
794 | ||
756867bd JA |
795 | ts = &threadstats[j]; |
796 | ||
83349190 YH |
797 | ts->clat_percentiles = td->o.clat_percentiles; |
798 | if (td->o.overwrite_plist) | |
802ad4a8 | 799 | memcpy(ts->percentile_list, td->o.percentile_list, sizeof(td->o.percentile_list)); |
83349190 | 800 | else |
802ad4a8 | 801 | memcpy(ts->percentile_list, def_percentile_list, sizeof(def_percentile_list)); |
83349190 | 802 | |
197574e4 | 803 | idx++; |
6586ee89 | 804 | ts->members++; |
756867bd | 805 | |
7abd0e3a | 806 | if (ts->groupid == -1) { |
2dc84ba7 JA |
807 | /* |
808 | * These are per-group shared already | |
809 | */ | |
f6bb5b88 | 810 | strncpy(ts->name, td->o.name, FIO_JOBNAME_SIZE); |
a64e88da JA |
811 | if (td->o.description) |
812 | strncpy(ts->description, td->o.description, | |
813 | FIO_JOBNAME_SIZE); | |
814 | else | |
815 | memset(ts->description, 0, FIO_JOBNAME_SIZE); | |
816 | ||
756867bd | 817 | ts->groupid = td->groupid; |
2dc84ba7 JA |
818 | |
819 | /* | |
820 | * first pid in group, not very useful... | |
821 | */ | |
756867bd | 822 | ts->pid = td->pid; |
90fef2d1 JA |
823 | |
824 | ts->kb_base = td->o.kb_base; | |
825 | } else if (ts->kb_base != td->o.kb_base && !kb_base_warned) { | |
826 | log_info("fio: kb_base differs for jobs in group, using" | |
827 | " %u as the base\n", ts->kb_base); | |
828 | kb_base_warned = 1; | |
2dc84ba7 JA |
829 | } |
830 | ||
f2bba182 RR |
831 | ts->continue_on_error = td->o.continue_on_error; |
832 | ts->total_err_count += td->total_err_count; | |
833 | ts->first_error = td->first_error; | |
834 | if (!ts->error) { | |
835 | if (!td->error && td->o.continue_on_error && | |
836 | td->first_error) { | |
837 | ts->error = td->first_error; | |
f6bb5b88 | 838 | strcpy(ts->verror, td->verror); |
f2bba182 RR |
839 | } else if (td->error) { |
840 | ts->error = td->error; | |
f6bb5b88 | 841 | strcpy(ts->verror, td->verror); |
f2bba182 | 842 | } |
756867bd JA |
843 | } |
844 | ||
5b9babb7 | 845 | sum_thread_stats(ts, &td->ts, idx); |
756867bd JA |
846 | } |
847 | ||
848 | for (i = 0; i < nr_ts; i++) { | |
94370ac4 | 849 | unsigned long long bw; |
3c39a379 | 850 | |
756867bd JA |
851 | ts = &threadstats[i]; |
852 | rs = &runstats[ts->groupid]; | |
90fef2d1 | 853 | rs->kb_base = ts->kb_base; |
3c39a379 | 854 | |
de64df05 | 855 | for (j = 0; j <= DDIR_WRITE; j++) { |
94370ac4 JA |
856 | if (!ts->runtime[j]) |
857 | continue; | |
858 | if (ts->runtime[j] < rs->min_run[j] || !rs->min_run[j]) | |
859 | rs->min_run[j] = ts->runtime[j]; | |
860 | if (ts->runtime[j] > rs->max_run[j]) | |
861 | rs->max_run[j] = ts->runtime[j]; | |
862 | ||
863 | bw = 0; | |
8879fd15 JA |
864 | if (ts->runtime[j]) { |
865 | unsigned long runt; | |
866 | ||
90fef2d1 | 867 | runt = ts->runtime[j]; |
8879fd15 JA |
868 | bw = ts->io_bytes[j] / runt; |
869 | } | |
94370ac4 JA |
870 | if (bw < rs->min_bw[j]) |
871 | rs->min_bw[j] = bw; | |
872 | if (bw > rs->max_bw[j]) | |
873 | rs->max_bw[j] = bw; | |
874 | ||
90fef2d1 | 875 | rs->io_kb[j] += ts->io_bytes[j] / rs->kb_base; |
94370ac4 | 876 | } |
3c39a379 JA |
877 | } |
878 | ||
879 | for (i = 0; i < groupid + 1; i++) { | |
8879fd15 JA |
880 | unsigned long max_run[2]; |
881 | ||
3c39a379 | 882 | rs = &runstats[i]; |
90fef2d1 JA |
883 | max_run[0] = rs->max_run[0]; |
884 | max_run[1] = rs->max_run[1]; | |
3c39a379 JA |
885 | |
886 | if (rs->max_run[0]) | |
4cf1abc3 | 887 | rs->agg[0] = (rs->io_kb[0] * 1000) / max_run[0]; |
3c39a379 | 888 | if (rs->max_run[1]) |
4cf1abc3 | 889 | rs->agg[1] = (rs->io_kb[1] * 1000) / max_run[1]; |
3c39a379 JA |
890 | } |
891 | ||
892 | /* | |
893 | * don't overwrite last signal output | |
894 | */ | |
c6ae0a5b | 895 | if (!terse_output) |
4ceb30d4 | 896 | log_info("\n"); |
3c39a379 | 897 | |
756867bd JA |
898 | for (i = 0; i < nr_ts; i++) { |
899 | ts = &threadstats[i]; | |
900 | rs = &runstats[ts->groupid]; | |
3c39a379 | 901 | |
a64e88da JA |
902 | if (is_backend) |
903 | fio_server_send_ts(ts, rs); | |
904 | else if (terse_output) | |
756867bd | 905 | show_thread_status_terse(ts, rs); |
c6ae0a5b | 906 | else |
756867bd | 907 | show_thread_status(ts, rs); |
3c39a379 JA |
908 | } |
909 | ||
c6ae0a5b | 910 | if (!terse_output) { |
a64e88da JA |
911 | for (i = 0; i < groupid + 1; i++) { |
912 | rs = &runstats[i]; | |
913 | ||
914 | rs->groupid = i; | |
915 | if (is_backend) | |
916 | fio_server_send_gs(rs); | |
917 | else | |
918 | show_group_stats(rs); | |
919 | } | |
3c39a379 | 920 | |
c6ae0a5b JA |
921 | show_disk_util(); |
922 | } | |
eecf272f JA |
923 | |
924 | free(runstats); | |
756867bd | 925 | free(threadstats); |
3c39a379 JA |
926 | } |
927 | ||
68704084 | 928 | static inline void add_stat_sample(struct io_stat *is, unsigned long data) |
3c39a379 | 929 | { |
68704084 | 930 | double val = data; |
6660cc67 | 931 | double delta; |
68704084 JA |
932 | |
933 | if (data > is->max_val) | |
934 | is->max_val = data; | |
935 | if (data < is->min_val) | |
936 | is->min_val = data; | |
937 | ||
802ad4a8 | 938 | delta = val - is->mean.u.f; |
ef11d737 | 939 | if (delta) { |
802ad4a8 JA |
940 | is->mean.u.f += delta / (is->samples + 1.0); |
941 | is->S.u.f += delta * (val - is->mean.u.f); | |
ef11d737 | 942 | } |
3c39a379 | 943 | |
3c39a379 JA |
944 | is->samples++; |
945 | } | |
946 | ||
bb3884d8 | 947 | static void __add_log_sample(struct io_log *iolog, unsigned long val, |
306ddc97 | 948 | enum fio_ddir ddir, unsigned int bs, |
2b13e716 | 949 | unsigned long t) |
3c39a379 | 950 | { |
306ddc97 JA |
951 | const int nr_samples = iolog->nr_samples; |
952 | ||
3c39a379 JA |
953 | if (iolog->nr_samples == iolog->max_samples) { |
954 | int new_size = sizeof(struct io_sample) * iolog->max_samples*2; | |
955 | ||
956 | iolog->log = realloc(iolog->log, new_size); | |
957 | iolog->max_samples <<= 1; | |
958 | } | |
959 | ||
306ddc97 | 960 | iolog->log[nr_samples].val = val; |
2b13e716 | 961 | iolog->log[nr_samples].time = t; |
306ddc97 JA |
962 | iolog->log[nr_samples].ddir = ddir; |
963 | iolog->log[nr_samples].bs = bs; | |
3c39a379 JA |
964 | iolog->nr_samples++; |
965 | } | |
966 | ||
bb3884d8 | 967 | static void add_log_sample(struct thread_data *td, struct io_log *iolog, |
306ddc97 JA |
968 | unsigned long val, enum fio_ddir ddir, |
969 | unsigned int bs) | |
bb3884d8 | 970 | { |
ff58fced JA |
971 | if (!ddir_rw(ddir)) |
972 | return; | |
973 | ||
306ddc97 | 974 | __add_log_sample(iolog, val, ddir, bs, mtime_since_now(&td->epoch)); |
bb3884d8 JA |
975 | } |
976 | ||
306ddc97 | 977 | void add_agg_sample(unsigned long val, enum fio_ddir ddir, unsigned int bs) |
bb3884d8 | 978 | { |
ff58fced | 979 | struct io_log *iolog; |
bb3884d8 | 980 | |
ff58fced JA |
981 | if (!ddir_rw(ddir)) |
982 | return; | |
983 | ||
984 | iolog = agg_io_log[ddir]; | |
306ddc97 | 985 | __add_log_sample(iolog, val, ddir, bs, mtime_since_genesis()); |
bb3884d8 JA |
986 | } |
987 | ||
83349190 YH |
988 | static void add_clat_percentile_sample(struct thread_stat *ts, |
989 | unsigned long usec, enum fio_ddir ddir) | |
990 | { | |
991 | unsigned int idx = plat_val_to_idx(usec); | |
992 | assert(idx < FIO_IO_U_PLAT_NR); | |
993 | ||
994 | ts->io_u_plat[ddir][idx]++; | |
995 | } | |
996 | ||
1e97cce9 | 997 | void add_clat_sample(struct thread_data *td, enum fio_ddir ddir, |
306ddc97 | 998 | unsigned long usec, unsigned int bs) |
3c39a379 | 999 | { |
756867bd | 1000 | struct thread_stat *ts = &td->ts; |
079ad09b | 1001 | |
ff58fced JA |
1002 | if (!ddir_rw(ddir)) |
1003 | return; | |
1004 | ||
d85f5118 | 1005 | add_stat_sample(&ts->clat_stat[ddir], usec); |
3c39a379 | 1006 | |
7b9f733a JA |
1007 | if (td->clat_log) |
1008 | add_log_sample(td, td->clat_log, usec, ddir, bs); | |
83349190 YH |
1009 | |
1010 | if (ts->clat_percentiles) | |
1011 | add_clat_percentile_sample(ts, usec, ddir); | |
3c39a379 JA |
1012 | } |
1013 | ||
1e97cce9 | 1014 | void add_slat_sample(struct thread_data *td, enum fio_ddir ddir, |
306ddc97 | 1015 | unsigned long usec, unsigned int bs) |
3c39a379 | 1016 | { |
756867bd | 1017 | struct thread_stat *ts = &td->ts; |
079ad09b | 1018 | |
ff58fced JA |
1019 | if (!ddir_rw(ddir)) |
1020 | return; | |
1021 | ||
d85f5118 | 1022 | add_stat_sample(&ts->slat_stat[ddir], usec); |
3c39a379 | 1023 | |
7b9f733a JA |
1024 | if (td->slat_log) |
1025 | add_log_sample(td, td->slat_log, usec, ddir, bs); | |
3c39a379 JA |
1026 | } |
1027 | ||
02af0988 JA |
1028 | void add_lat_sample(struct thread_data *td, enum fio_ddir ddir, |
1029 | unsigned long usec, unsigned int bs) | |
1030 | { | |
1031 | struct thread_stat *ts = &td->ts; | |
1032 | ||
ff58fced JA |
1033 | if (!ddir_rw(ddir)) |
1034 | return; | |
1035 | ||
02af0988 JA |
1036 | add_stat_sample(&ts->lat_stat[ddir], usec); |
1037 | ||
7b9f733a JA |
1038 | if (td->lat_log) |
1039 | add_log_sample(td, td->lat_log, usec, ddir, bs); | |
02af0988 JA |
1040 | } |
1041 | ||
306ddc97 | 1042 | void add_bw_sample(struct thread_data *td, enum fio_ddir ddir, unsigned int bs, |
1e97cce9 | 1043 | struct timeval *t) |
3c39a379 | 1044 | { |
756867bd | 1045 | struct thread_stat *ts = &td->ts; |
ff58fced JA |
1046 | unsigned long spent, rate; |
1047 | ||
1048 | if (!ddir_rw(ddir)) | |
1049 | return; | |
3c39a379 | 1050 | |
c8eeb9df | 1051 | spent = mtime_since(&td->bw_sample_time, t); |
2dc1bbeb | 1052 | if (spent < td->o.bw_avg_time) |
3c39a379 JA |
1053 | return; |
1054 | ||
f0505a14 | 1055 | rate = (td->this_io_bytes[ddir] - td->stat_io_bytes[ddir]) * |
0b9d69ec | 1056 | 1000 / spent / 1024; |
079ad09b | 1057 | add_stat_sample(&ts->bw_stat[ddir], rate); |
3c39a379 | 1058 | |
7b9f733a JA |
1059 | if (td->bw_log) |
1060 | add_log_sample(td, td->bw_log, rate, ddir, bs); | |
3c39a379 | 1061 | |
c8eeb9df | 1062 | fio_gettime(&td->bw_sample_time, NULL); |
f0505a14 | 1063 | td->stat_io_bytes[ddir] = td->this_io_bytes[ddir]; |
3c39a379 | 1064 | } |
c8eeb9df JA |
1065 | |
1066 | void add_iops_sample(struct thread_data *td, enum fio_ddir ddir, | |
1067 | struct timeval *t) | |
1068 | { | |
1069 | struct thread_stat *ts = &td->ts; | |
1070 | unsigned long spent, iops; | |
1071 | ||
1072 | if (!ddir_rw(ddir)) | |
1073 | return; | |
1074 | ||
1075 | spent = mtime_since(&td->iops_sample_time, t); | |
1076 | if (spent < td->o.iops_avg_time) | |
1077 | return; | |
1078 | ||
1079 | iops = ((td->this_io_blocks[ddir] - td->stat_io_blocks[ddir]) * 1000) / spent; | |
1080 | ||
1081 | add_stat_sample(&ts->iops_stat[ddir], iops); | |
1082 | ||
1083 | if (td->iops_log) { | |
1084 | assert(iops); | |
1085 | add_log_sample(td, td->iops_log, iops, ddir, 0); | |
1086 | } | |
1087 | ||
1088 | fio_gettime(&td->iops_sample_time, NULL); | |
1089 | td->stat_io_blocks[ddir] = td->this_io_blocks[ddir]; | |
1090 | } |