| 1 | #include <stdio.h> |
| 2 | #include <string.h> |
| 3 | #include <sys/time.h> |
| 4 | #include <sys/types.h> |
| 5 | #include <sys/stat.h> |
| 6 | #include <dirent.h> |
| 7 | #include <libgen.h> |
| 8 | #include <math.h> |
| 9 | |
| 10 | #include "fio.h" |
| 11 | |
| 12 | /* |
| 13 | * Cheesy number->string conversion, complete with carry rounding error. |
| 14 | */ |
| 15 | static char *num2str(unsigned long num, int maxlen, int base, int pow2) |
| 16 | { |
| 17 | char postfix[] = { ' ', 'K', 'M', 'G', 'P', 'E' }; |
| 18 | unsigned int thousand; |
| 19 | char *buf; |
| 20 | int i; |
| 21 | |
| 22 | if (pow2) |
| 23 | thousand = 1024; |
| 24 | else |
| 25 | thousand = 1000; |
| 26 | |
| 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) { |
| 37 | if (i >= 1) { |
| 38 | buf[len] = postfix[i]; |
| 39 | buf[len + 1] = '\0'; |
| 40 | } |
| 41 | return buf; |
| 42 | } |
| 43 | |
| 44 | if ((num % thousand) >= (thousand / 2)) |
| 45 | carry = 1; |
| 46 | |
| 47 | num /= thousand; |
| 48 | num += carry; |
| 49 | i++; |
| 50 | } while (i <= 5); |
| 51 | |
| 52 | return buf; |
| 53 | } |
| 54 | |
| 55 | void update_rusage_stat(struct thread_data *td) |
| 56 | { |
| 57 | struct thread_stat *ts = &td->ts; |
| 58 | |
| 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); |
| 64 | |
| 65 | memcpy(&ts->ru_start, &ts->ru_end, sizeof(ts->ru_end)); |
| 66 | } |
| 67 | |
| 68 | static int calc_lat(struct io_stat *is, unsigned long *min, unsigned long *max, |
| 69 | double *mean, double *dev) |
| 70 | { |
| 71 | double n = is->samples; |
| 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; |
| 80 | *mean = is->mean; |
| 81 | |
| 82 | if (n > 1.0) |
| 83 | *dev = sqrt(is->S / (n - 1.0)); |
| 84 | else |
| 85 | *dev = -1.0; |
| 86 | |
| 87 | return 1; |
| 88 | } |
| 89 | |
| 90 | static void show_group_stats(struct group_run_stats *rs, int id) |
| 91 | { |
| 92 | char *p1, *p2, *p3, *p4; |
| 93 | const char *ddir_str[] = { " READ", " WRITE" }; |
| 94 | int i; |
| 95 | |
| 96 | log_info("\nRun status group %d (all jobs):\n", id); |
| 97 | |
| 98 | for (i = 0; i <= DDIR_WRITE; i++) { |
| 99 | if (!rs->max_run[i]) |
| 100 | continue; |
| 101 | |
| 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); |
| 106 | |
| 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]); |
| 108 | |
| 109 | free(p1); |
| 110 | free(p2); |
| 111 | free(p3); |
| 112 | free(p4); |
| 113 | } |
| 114 | } |
| 115 | |
| 116 | #define ts_total_io_u(ts) \ |
| 117 | ((ts)->total_io_u[0] + (ts)->total_io_u[1]) |
| 118 | |
| 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++) { |
| 127 | io_u_dist[i] = (double) ts->io_u_map[i] / (double) ts_total_io_u(ts); |
| 128 | io_u_dist[i] *= 100.0; |
| 129 | if (io_u_dist[i] < 0.1 && ts->io_u_map[i]) |
| 130 | io_u_dist[i] = 0.1; |
| 131 | } |
| 132 | } |
| 133 | |
| 134 | static void stat_calc_lat(struct thread_stat *ts, double *dst, |
| 135 | unsigned int *src, int nr) |
| 136 | { |
| 137 | int i; |
| 138 | |
| 139 | /* |
| 140 | * Do latency distribution calculations |
| 141 | */ |
| 142 | for (i = 0; i < nr; i++) { |
| 143 | dst[i] = (double) src[i] / (double) ts_total_io_u(ts); |
| 144 | dst[i] *= 100.0; |
| 145 | if (dst[i] < 0.01 && src[i]) |
| 146 | dst[i] = 0.01; |
| 147 | } |
| 148 | } |
| 149 | |
| 150 | static void stat_calc_lat_u(struct thread_stat *ts, double *io_u_lat) |
| 151 | { |
| 152 | stat_calc_lat(ts, io_u_lat, ts->io_u_lat_u, FIO_IO_U_LAT_U_NR); |
| 153 | } |
| 154 | |
| 155 | static void stat_calc_lat_m(struct thread_stat *ts, double *io_u_lat) |
| 156 | { |
| 157 | stat_calc_lat(ts, io_u_lat, ts->io_u_lat_m, FIO_IO_U_LAT_M_NR); |
| 158 | } |
| 159 | |
| 160 | static int usec_to_msec(unsigned long *min, unsigned long *max, double *mean, |
| 161 | double *dev) |
| 162 | { |
| 163 | if (*min > 1000 && *max > 1000 && *mean > 1000.0 && *dev > 1000.0) { |
| 164 | *min /= 1000; |
| 165 | *max /= 1000; |
| 166 | *mean /= 1000.0; |
| 167 | *dev /= 1000.0; |
| 168 | return 0; |
| 169 | } |
| 170 | |
| 171 | return 1; |
| 172 | } |
| 173 | |
| 174 | static void show_ddir_status(struct group_run_stats *rs, struct thread_stat *ts, |
| 175 | int ddir) |
| 176 | { |
| 177 | const char *ddir_str[] = { "read ", "write" }; |
| 178 | unsigned long min, max; |
| 179 | unsigned long long bw, iops; |
| 180 | double mean, dev; |
| 181 | char *io_p, *bw_p, *iops_p; |
| 182 | |
| 183 | if (!ts->runtime[ddir]) |
| 184 | return; |
| 185 | |
| 186 | bw = ts->io_bytes[ddir] / ts->runtime[ddir]; |
| 187 | iops = (1000 * ts->total_io_u[ddir]) / ts->runtime[ddir]; |
| 188 | io_p = num2str(ts->io_bytes[ddir] >> 10, 6, 1000, 1); |
| 189 | bw_p = num2str(bw, 6, 1000, 1); |
| 190 | iops_p = num2str(iops, 6, 1, 0); |
| 191 | |
| 192 | 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]); |
| 193 | |
| 194 | free(io_p); |
| 195 | free(bw_p); |
| 196 | free(iops_p); |
| 197 | |
| 198 | if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev)) { |
| 199 | const char *base = "(usec)"; |
| 200 | |
| 201 | if (!usec_to_msec(&min, &max, &mean, &dev)) |
| 202 | base = "(msec)"; |
| 203 | |
| 204 | log_info(" slat %s: min=%5lu, max=%5lu, avg=%5.02f, stdev=%5.02f\n", base, min, max, mean, dev); |
| 205 | } |
| 206 | if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev)) { |
| 207 | const char *base = "(usec)"; |
| 208 | |
| 209 | if (!usec_to_msec(&min, &max, &mean, &dev)) |
| 210 | base = "(msec)"; |
| 211 | |
| 212 | log_info(" clat %s: min=%5lu, max=%5lu, avg=%5.02f, stdev=%5.02f\n", base, min, max, mean, dev); |
| 213 | } |
| 214 | if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) { |
| 215 | double p_of_agg; |
| 216 | |
| 217 | p_of_agg = mean * 100 / (double) rs->agg[ddir]; |
| 218 | 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); |
| 219 | } |
| 220 | } |
| 221 | |
| 222 | static void show_lat(double *io_u_lat, int nr, const char **ranges, |
| 223 | const char *msg) |
| 224 | { |
| 225 | int new_line = 1, i, line = 0; |
| 226 | |
| 227 | for (i = 0; i < nr; i++) { |
| 228 | if (io_u_lat[i] <= 0.0) |
| 229 | continue; |
| 230 | if (new_line) { |
| 231 | log_info(" lat (%s): ", msg); |
| 232 | new_line = 0; |
| 233 | line = 0; |
| 234 | } |
| 235 | if (line) |
| 236 | log_info(", "); |
| 237 | log_info("%s%3.2f%%", ranges[i], io_u_lat[i]); |
| 238 | line++; |
| 239 | if (line == 5) |
| 240 | new_line = 1; |
| 241 | } |
| 242 | |
| 243 | } |
| 244 | |
| 245 | static void show_lat_u(double *io_u_lat_u) |
| 246 | { |
| 247 | const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=", |
| 248 | "250=", "500=", "750=", "1000=", }; |
| 249 | |
| 250 | show_lat(io_u_lat_u, FIO_IO_U_LAT_U_NR, ranges, "usec"); |
| 251 | } |
| 252 | |
| 253 | static void show_lat_m(double *io_u_lat_m) |
| 254 | { |
| 255 | const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=", |
| 256 | "250=", "500=", "750=", "1000=", "2000=", |
| 257 | ">=2000=", }; |
| 258 | |
| 259 | show_lat(io_u_lat_m, FIO_IO_U_LAT_M_NR, ranges, "msec"); |
| 260 | } |
| 261 | |
| 262 | static void show_latencies(double *io_u_lat_u, double *io_u_lat_m) |
| 263 | { |
| 264 | show_lat_u(io_u_lat_u); |
| 265 | show_lat_m(io_u_lat_m); |
| 266 | log_info("\n"); |
| 267 | } |
| 268 | |
| 269 | static void show_thread_status(struct thread_stat *ts, |
| 270 | struct group_run_stats *rs) |
| 271 | { |
| 272 | double usr_cpu, sys_cpu; |
| 273 | unsigned long runtime; |
| 274 | double io_u_dist[FIO_IO_U_MAP_NR]; |
| 275 | double io_u_lat_u[FIO_IO_U_LAT_U_NR]; |
| 276 | double io_u_lat_m[FIO_IO_U_LAT_M_NR]; |
| 277 | |
| 278 | if (!(ts->io_bytes[0] + ts->io_bytes[1])) |
| 279 | return; |
| 280 | |
| 281 | if (!ts->error) |
| 282 | log_info("%s: (groupid=%d, jobs=%d): err=%2d: pid=%d\n", ts->name, ts->groupid, ts->members, ts->error, ts->pid); |
| 283 | else |
| 284 | 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); |
| 285 | |
| 286 | if (ts->description) |
| 287 | log_info(" Description : [%s]\n", ts->description); |
| 288 | |
| 289 | if (ts->io_bytes[DDIR_READ]) |
| 290 | show_ddir_status(rs, ts, DDIR_READ); |
| 291 | if (ts->io_bytes[DDIR_WRITE]) |
| 292 | show_ddir_status(rs, ts, DDIR_WRITE); |
| 293 | |
| 294 | runtime = ts->total_run_time; |
| 295 | if (runtime) { |
| 296 | double runt = (double) runtime; |
| 297 | |
| 298 | usr_cpu = (double) ts->usr_time * 100 / runt; |
| 299 | sys_cpu = (double) ts->sys_time * 100 / runt; |
| 300 | } else { |
| 301 | usr_cpu = 0; |
| 302 | sys_cpu = 0; |
| 303 | } |
| 304 | |
| 305 | log_info(" cpu : usr=%3.2f%%, sys=%3.2f%%, ctx=%lu\n", usr_cpu, sys_cpu, ts->ctx); |
| 306 | |
| 307 | stat_calc_dist(ts, io_u_dist); |
| 308 | stat_calc_lat_u(ts, io_u_lat_u); |
| 309 | stat_calc_lat_m(ts, io_u_lat_m); |
| 310 | |
| 311 | 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]); |
| 312 | 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]); |
| 313 | |
| 314 | show_latencies(io_u_lat_u, io_u_lat_m); |
| 315 | } |
| 316 | |
| 317 | static void show_ddir_status_terse(struct thread_stat *ts, |
| 318 | struct group_run_stats *rs, int ddir) |
| 319 | { |
| 320 | unsigned long min, max; |
| 321 | unsigned long long bw; |
| 322 | double mean, dev; |
| 323 | |
| 324 | bw = 0; |
| 325 | if (ts->runtime[ddir]) |
| 326 | bw = ts->io_bytes[ddir] / ts->runtime[ddir]; |
| 327 | |
| 328 | log_info(";%llu;%llu;%lu", ts->io_bytes[ddir] >> 10, bw, ts->runtime[ddir]); |
| 329 | |
| 330 | if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev)) |
| 331 | log_info(";%lu;%lu;%f;%f", min, max, mean, dev); |
| 332 | else |
| 333 | log_info(";%lu;%lu;%f;%f", 0UL, 0UL, 0.0, 0.0); |
| 334 | |
| 335 | if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev)) |
| 336 | log_info(";%lu;%lu;%f;%f", min, max, mean, dev); |
| 337 | else |
| 338 | log_info(";%lu;%lu;%f;%f", 0UL, 0UL, 0.0, 0.0); |
| 339 | |
| 340 | if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) { |
| 341 | double p_of_agg; |
| 342 | |
| 343 | p_of_agg = mean * 100 / (double) rs->agg[ddir]; |
| 344 | log_info(";%lu;%lu;%f%%;%f;%f", min, max, p_of_agg, mean, dev); |
| 345 | } else |
| 346 | log_info(";%lu;%lu;%f%%;%f;%f", 0UL, 0UL, 0.0, 0.0, 0.0); |
| 347 | } |
| 348 | |
| 349 | |
| 350 | static void show_thread_status_terse(struct thread_stat *ts, |
| 351 | struct group_run_stats *rs) |
| 352 | { |
| 353 | double io_u_dist[FIO_IO_U_MAP_NR]; |
| 354 | double io_u_lat_u[FIO_IO_U_LAT_U_NR]; |
| 355 | double io_u_lat_m[FIO_IO_U_LAT_M_NR]; |
| 356 | double usr_cpu, sys_cpu; |
| 357 | int i; |
| 358 | |
| 359 | log_info("%s;%d;%d", ts->name, ts->groupid, ts->error); |
| 360 | |
| 361 | show_ddir_status_terse(ts, rs, 0); |
| 362 | show_ddir_status_terse(ts, rs, 1); |
| 363 | |
| 364 | if (ts->total_run_time) { |
| 365 | double runt = (double) ts->total_run_time; |
| 366 | |
| 367 | usr_cpu = (double) ts->usr_time * 100 / runt; |
| 368 | sys_cpu = (double) ts->sys_time * 100 / runt; |
| 369 | } else { |
| 370 | usr_cpu = 0; |
| 371 | sys_cpu = 0; |
| 372 | } |
| 373 | |
| 374 | log_info(";%f%%;%f%%;%lu", usr_cpu, sys_cpu, ts->ctx); |
| 375 | |
| 376 | stat_calc_dist(ts, io_u_dist); |
| 377 | stat_calc_lat_u(ts, io_u_lat_u); |
| 378 | stat_calc_lat_m(ts, io_u_lat_m); |
| 379 | |
| 380 | 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]); |
| 381 | |
| 382 | for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) |
| 383 | log_info(";%3.2f%%", io_u_lat_u[i]); |
| 384 | for (i = 0; i < FIO_IO_U_LAT_M_NR; i++) |
| 385 | log_info(";%3.2f%%", io_u_lat_m[i]); |
| 386 | log_info("\n"); |
| 387 | |
| 388 | if (ts->description) |
| 389 | log_info(";%s", ts->description); |
| 390 | |
| 391 | log_info("\n"); |
| 392 | } |
| 393 | |
| 394 | static void sum_stat(struct io_stat *dst, struct io_stat *src, int nr) |
| 395 | { |
| 396 | double mean, S; |
| 397 | |
| 398 | dst->min_val = min(dst->min_val, src->min_val); |
| 399 | dst->max_val = max(dst->max_val, src->max_val); |
| 400 | dst->samples += src->samples; |
| 401 | |
| 402 | /* |
| 403 | * Needs a new method for calculating stddev, we cannot just |
| 404 | * average them we do below for nr > 1 |
| 405 | */ |
| 406 | if (nr == 1) { |
| 407 | mean = src->mean; |
| 408 | S = src->S; |
| 409 | } else { |
| 410 | mean = ((src->mean * (double) (nr - 1)) + dst->mean) / ((double) nr); |
| 411 | S = ((src->S * (double) (nr - 1)) + dst->S) / ((double) nr); |
| 412 | } |
| 413 | |
| 414 | dst->mean = mean; |
| 415 | dst->S = S; |
| 416 | } |
| 417 | |
| 418 | void show_run_stats(void) |
| 419 | { |
| 420 | struct group_run_stats *runstats, *rs; |
| 421 | struct thread_data *td; |
| 422 | struct thread_stat *threadstats, *ts; |
| 423 | int i, j, k, l, nr_ts, last_ts, idx; |
| 424 | |
| 425 | runstats = malloc(sizeof(struct group_run_stats) * (groupid + 1)); |
| 426 | |
| 427 | for (i = 0; i < groupid + 1; i++) { |
| 428 | rs = &runstats[i]; |
| 429 | |
| 430 | memset(rs, 0, sizeof(*rs)); |
| 431 | rs->min_bw[0] = rs->min_run[0] = ~0UL; |
| 432 | rs->min_bw[1] = rs->min_run[1] = ~0UL; |
| 433 | } |
| 434 | |
| 435 | /* |
| 436 | * find out how many threads stats we need. if group reporting isn't |
| 437 | * enabled, it's one-per-td. |
| 438 | */ |
| 439 | nr_ts = 0; |
| 440 | last_ts = -1; |
| 441 | for_each_td(td, i) { |
| 442 | if (!td->o.group_reporting) { |
| 443 | nr_ts++; |
| 444 | continue; |
| 445 | } |
| 446 | if (last_ts == td->groupid) |
| 447 | continue; |
| 448 | |
| 449 | last_ts = td->groupid; |
| 450 | nr_ts++; |
| 451 | } |
| 452 | |
| 453 | threadstats = malloc(nr_ts * sizeof(struct thread_stat)); |
| 454 | |
| 455 | for (i = 0; i < nr_ts; i++) { |
| 456 | ts = &threadstats[i]; |
| 457 | |
| 458 | memset(ts, 0, sizeof(*ts)); |
| 459 | for (j = 0; j <= DDIR_WRITE; j++) { |
| 460 | ts->clat_stat[j].min_val = -1UL; |
| 461 | ts->slat_stat[j].min_val = -1UL; |
| 462 | ts->bw_stat[j].min_val = -1UL; |
| 463 | } |
| 464 | ts->groupid = -1; |
| 465 | } |
| 466 | |
| 467 | j = 0; |
| 468 | last_ts = -1; |
| 469 | idx = 0; |
| 470 | for_each_td(td, i) { |
| 471 | if (idx && (!td->o.group_reporting || |
| 472 | (td->o.group_reporting && last_ts != td->groupid))) { |
| 473 | idx = 0; |
| 474 | j++; |
| 475 | } |
| 476 | |
| 477 | last_ts = td->groupid; |
| 478 | |
| 479 | ts = &threadstats[j]; |
| 480 | |
| 481 | idx++; |
| 482 | ts->members++; |
| 483 | |
| 484 | if (ts->groupid == -1) { |
| 485 | /* |
| 486 | * These are per-group shared already |
| 487 | */ |
| 488 | ts->name = td->o.name; |
| 489 | ts->description = td->o.description; |
| 490 | ts->groupid = td->groupid; |
| 491 | |
| 492 | /* |
| 493 | * first pid in group, not very useful... |
| 494 | */ |
| 495 | ts->pid = td->pid; |
| 496 | } |
| 497 | |
| 498 | if (td->error && !ts->error) { |
| 499 | ts->error = td->error; |
| 500 | ts->verror = td->verror; |
| 501 | } |
| 502 | |
| 503 | for (l = 0; l <= DDIR_WRITE; l++) { |
| 504 | sum_stat(&ts->clat_stat[l], &td->ts.clat_stat[l], idx); |
| 505 | sum_stat(&ts->slat_stat[l], &td->ts.slat_stat[l], idx); |
| 506 | sum_stat(&ts->bw_stat[l], &td->ts.bw_stat[l], idx); |
| 507 | |
| 508 | ts->stat_io_bytes[l] += td->ts.stat_io_bytes[l]; |
| 509 | ts->io_bytes[l] += td->ts.io_bytes[l]; |
| 510 | |
| 511 | if (ts->runtime[l] < td->ts.runtime[l]) |
| 512 | ts->runtime[l] = td->ts.runtime[l]; |
| 513 | } |
| 514 | |
| 515 | ts->usr_time += td->ts.usr_time; |
| 516 | ts->sys_time += td->ts.sys_time; |
| 517 | ts->ctx += td->ts.ctx; |
| 518 | |
| 519 | for (k = 0; k < FIO_IO_U_MAP_NR; k++) |
| 520 | ts->io_u_map[k] += td->ts.io_u_map[k]; |
| 521 | for (k = 0; k < FIO_IO_U_LAT_U_NR; k++) |
| 522 | ts->io_u_lat_u[k] += td->ts.io_u_lat_u[k]; |
| 523 | for (k = 0; k < FIO_IO_U_LAT_M_NR; k++) |
| 524 | ts->io_u_lat_m[k] += td->ts.io_u_lat_m[k]; |
| 525 | |
| 526 | |
| 527 | for (k = 0; k <= DDIR_WRITE; k++) { |
| 528 | ts->total_io_u[k] += td->ts.total_io_u[k]; |
| 529 | ts->short_io_u[k] += td->ts.short_io_u[k]; |
| 530 | } |
| 531 | |
| 532 | ts->total_run_time += td->ts.total_run_time; |
| 533 | } |
| 534 | |
| 535 | for (i = 0; i < nr_ts; i++) { |
| 536 | unsigned long long bw; |
| 537 | |
| 538 | ts = &threadstats[i]; |
| 539 | rs = &runstats[ts->groupid]; |
| 540 | |
| 541 | for (j = 0; j <= DDIR_WRITE; j++) { |
| 542 | if (!ts->runtime[j]) |
| 543 | continue; |
| 544 | if (ts->runtime[j] < rs->min_run[j] || !rs->min_run[j]) |
| 545 | rs->min_run[j] = ts->runtime[j]; |
| 546 | if (ts->runtime[j] > rs->max_run[j]) |
| 547 | rs->max_run[j] = ts->runtime[j]; |
| 548 | |
| 549 | bw = 0; |
| 550 | if (ts->runtime[j]) |
| 551 | bw = ts->io_bytes[j] / (unsigned long long) ts->runtime[j]; |
| 552 | if (bw < rs->min_bw[j]) |
| 553 | rs->min_bw[j] = bw; |
| 554 | if (bw > rs->max_bw[j]) |
| 555 | rs->max_bw[j] = bw; |
| 556 | |
| 557 | rs->io_kb[j] += ts->io_bytes[j] >> 10; |
| 558 | } |
| 559 | } |
| 560 | |
| 561 | for (i = 0; i < groupid + 1; i++) { |
| 562 | rs = &runstats[i]; |
| 563 | |
| 564 | if (rs->max_run[0]) |
| 565 | rs->agg[0] = (rs->io_kb[0]*1024) / rs->max_run[0]; |
| 566 | if (rs->max_run[1]) |
| 567 | rs->agg[1] = (rs->io_kb[1]*1024) / rs->max_run[1]; |
| 568 | } |
| 569 | |
| 570 | /* |
| 571 | * don't overwrite last signal output |
| 572 | */ |
| 573 | if (!terse_output) |
| 574 | printf("\n"); |
| 575 | |
| 576 | for (i = 0; i < nr_ts; i++) { |
| 577 | ts = &threadstats[i]; |
| 578 | rs = &runstats[ts->groupid]; |
| 579 | |
| 580 | if (terse_output) |
| 581 | show_thread_status_terse(ts, rs); |
| 582 | else |
| 583 | show_thread_status(ts, rs); |
| 584 | } |
| 585 | |
| 586 | if (!terse_output) { |
| 587 | for (i = 0; i < groupid + 1; i++) |
| 588 | show_group_stats(&runstats[i], i); |
| 589 | |
| 590 | show_disk_util(); |
| 591 | } |
| 592 | |
| 593 | free(runstats); |
| 594 | free(threadstats); |
| 595 | } |
| 596 | |
| 597 | static inline void add_stat_sample(struct io_stat *is, unsigned long data) |
| 598 | { |
| 599 | double val = data; |
| 600 | double delta; |
| 601 | |
| 602 | if (data > is->max_val) |
| 603 | is->max_val = data; |
| 604 | if (data < is->min_val) |
| 605 | is->min_val = data; |
| 606 | |
| 607 | delta = val - is->mean; |
| 608 | if (delta) { |
| 609 | is->mean += delta / (is->samples + 1.0); |
| 610 | is->S += delta * (val - is->mean); |
| 611 | } |
| 612 | |
| 613 | is->samples++; |
| 614 | } |
| 615 | |
| 616 | static void __add_log_sample(struct io_log *iolog, unsigned long val, |
| 617 | enum fio_ddir ddir, unsigned long time) |
| 618 | { |
| 619 | if (iolog->nr_samples == iolog->max_samples) { |
| 620 | int new_size = sizeof(struct io_sample) * iolog->max_samples*2; |
| 621 | |
| 622 | iolog->log = realloc(iolog->log, new_size); |
| 623 | iolog->max_samples <<= 1; |
| 624 | } |
| 625 | |
| 626 | iolog->log[iolog->nr_samples].val = val; |
| 627 | iolog->log[iolog->nr_samples].time = time; |
| 628 | iolog->log[iolog->nr_samples].ddir = ddir; |
| 629 | iolog->nr_samples++; |
| 630 | } |
| 631 | |
| 632 | static void add_log_sample(struct thread_data *td, struct io_log *iolog, |
| 633 | unsigned long val, enum fio_ddir ddir) |
| 634 | { |
| 635 | __add_log_sample(iolog, val, ddir, mtime_since_now(&td->epoch)); |
| 636 | } |
| 637 | |
| 638 | void add_agg_sample(unsigned long val, enum fio_ddir ddir) |
| 639 | { |
| 640 | struct io_log *iolog = agg_io_log[ddir]; |
| 641 | |
| 642 | __add_log_sample(iolog, val, ddir, mtime_since_genesis()); |
| 643 | } |
| 644 | |
| 645 | void add_clat_sample(struct thread_data *td, enum fio_ddir ddir, |
| 646 | unsigned long usec) |
| 647 | { |
| 648 | struct thread_stat *ts = &td->ts; |
| 649 | |
| 650 | add_stat_sample(&ts->clat_stat[ddir], usec); |
| 651 | |
| 652 | if (ts->clat_log) |
| 653 | add_log_sample(td, ts->clat_log, usec, ddir); |
| 654 | } |
| 655 | |
| 656 | void add_slat_sample(struct thread_data *td, enum fio_ddir ddir, |
| 657 | unsigned long usec) |
| 658 | { |
| 659 | struct thread_stat *ts = &td->ts; |
| 660 | |
| 661 | add_stat_sample(&ts->slat_stat[ddir], usec); |
| 662 | |
| 663 | if (ts->slat_log) |
| 664 | add_log_sample(td, ts->slat_log, usec, ddir); |
| 665 | } |
| 666 | |
| 667 | void add_bw_sample(struct thread_data *td, enum fio_ddir ddir, |
| 668 | struct timeval *t) |
| 669 | { |
| 670 | struct thread_stat *ts = &td->ts; |
| 671 | unsigned long spent = mtime_since(&ts->stat_sample_time[ddir], t); |
| 672 | unsigned long rate; |
| 673 | |
| 674 | if (spent < td->o.bw_avg_time) |
| 675 | return; |
| 676 | |
| 677 | rate = (td->this_io_bytes[ddir] - ts->stat_io_bytes[ddir]) / spent; |
| 678 | add_stat_sample(&ts->bw_stat[ddir], rate); |
| 679 | |
| 680 | if (ts->bw_log) |
| 681 | add_log_sample(td, ts->bw_log, rate, ddir); |
| 682 | |
| 683 | fio_gettime(&ts->stat_sample_time[ddir], NULL); |
| 684 | ts->stat_io_bytes[ddir] = td->this_io_bytes[ddir]; |
| 685 | } |