| 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 | #include "diskutil.h" |
| 12 | #include "lib/ieee754.h" |
| 13 | #include "json.h" |
| 14 | #include "lib/getrusage.h" |
| 15 | #include "idletime.h" |
| 16 | |
| 17 | static struct fio_mutex *stat_mutex; |
| 18 | |
| 19 | void update_rusage_stat(struct thread_data *td) |
| 20 | { |
| 21 | struct thread_stat *ts = &td->ts; |
| 22 | |
| 23 | fio_getrusage(&td->ru_end); |
| 24 | ts->usr_time += mtime_since(&td->ru_start.ru_utime, |
| 25 | &td->ru_end.ru_utime); |
| 26 | ts->sys_time += mtime_since(&td->ru_start.ru_stime, |
| 27 | &td->ru_end.ru_stime); |
| 28 | ts->ctx += td->ru_end.ru_nvcsw + td->ru_end.ru_nivcsw |
| 29 | - (td->ru_start.ru_nvcsw + td->ru_start.ru_nivcsw); |
| 30 | ts->minf += td->ru_end.ru_minflt - td->ru_start.ru_minflt; |
| 31 | ts->majf += td->ru_end.ru_majflt - td->ru_start.ru_majflt; |
| 32 | |
| 33 | memcpy(&td->ru_start, &td->ru_end, sizeof(td->ru_end)); |
| 34 | } |
| 35 | |
| 36 | /* |
| 37 | * Given a latency, return the index of the corresponding bucket in |
| 38 | * the structure tracking percentiles. |
| 39 | * |
| 40 | * (1) find the group (and error bits) that the value (latency) |
| 41 | * belongs to by looking at its MSB. (2) find the bucket number in the |
| 42 | * group by looking at the index bits. |
| 43 | * |
| 44 | */ |
| 45 | static unsigned int plat_val_to_idx(unsigned int val) |
| 46 | { |
| 47 | unsigned int msb, error_bits, base, offset, idx; |
| 48 | |
| 49 | /* Find MSB starting from bit 0 */ |
| 50 | if (val == 0) |
| 51 | msb = 0; |
| 52 | else |
| 53 | msb = (sizeof(val)*8) - __builtin_clz(val) - 1; |
| 54 | |
| 55 | /* |
| 56 | * MSB <= (FIO_IO_U_PLAT_BITS-1), cannot be rounded off. Use |
| 57 | * all bits of the sample as index |
| 58 | */ |
| 59 | if (msb <= FIO_IO_U_PLAT_BITS) |
| 60 | return val; |
| 61 | |
| 62 | /* Compute the number of error bits to discard*/ |
| 63 | error_bits = msb - FIO_IO_U_PLAT_BITS; |
| 64 | |
| 65 | /* Compute the number of buckets before the group */ |
| 66 | base = (error_bits + 1) << FIO_IO_U_PLAT_BITS; |
| 67 | |
| 68 | /* |
| 69 | * Discard the error bits and apply the mask to find the |
| 70 | * index for the buckets in the group |
| 71 | */ |
| 72 | offset = (FIO_IO_U_PLAT_VAL - 1) & (val >> error_bits); |
| 73 | |
| 74 | /* Make sure the index does not exceed (array size - 1) */ |
| 75 | idx = (base + offset) < (FIO_IO_U_PLAT_NR - 1) ? |
| 76 | (base + offset) : (FIO_IO_U_PLAT_NR - 1); |
| 77 | |
| 78 | return idx; |
| 79 | } |
| 80 | |
| 81 | /* |
| 82 | * Convert the given index of the bucket array to the value |
| 83 | * represented by the bucket |
| 84 | */ |
| 85 | static unsigned int plat_idx_to_val(unsigned int idx) |
| 86 | { |
| 87 | unsigned int error_bits, k, base; |
| 88 | |
| 89 | assert(idx < FIO_IO_U_PLAT_NR); |
| 90 | |
| 91 | /* MSB <= (FIO_IO_U_PLAT_BITS-1), cannot be rounded off. Use |
| 92 | * all bits of the sample as index */ |
| 93 | if (idx < (FIO_IO_U_PLAT_VAL << 1)) |
| 94 | return idx; |
| 95 | |
| 96 | /* Find the group and compute the minimum value of that group */ |
| 97 | error_bits = (idx >> FIO_IO_U_PLAT_BITS) - 1; |
| 98 | base = 1 << (error_bits + FIO_IO_U_PLAT_BITS); |
| 99 | |
| 100 | /* Find its bucket number of the group */ |
| 101 | k = idx % FIO_IO_U_PLAT_VAL; |
| 102 | |
| 103 | /* Return the mean of the range of the bucket */ |
| 104 | return base + ((k + 0.5) * (1 << error_bits)); |
| 105 | } |
| 106 | |
| 107 | static int double_cmp(const void *a, const void *b) |
| 108 | { |
| 109 | const fio_fp64_t fa = *(const fio_fp64_t *) a; |
| 110 | const fio_fp64_t fb = *(const fio_fp64_t *) b; |
| 111 | int cmp = 0; |
| 112 | |
| 113 | if (fa.u.f > fb.u.f) |
| 114 | cmp = 1; |
| 115 | else if (fa.u.f < fb.u.f) |
| 116 | cmp = -1; |
| 117 | |
| 118 | return cmp; |
| 119 | } |
| 120 | |
| 121 | unsigned int calc_clat_percentiles(unsigned int *io_u_plat, unsigned long nr, |
| 122 | fio_fp64_t *plist, unsigned int **output, |
| 123 | unsigned int *maxv, unsigned int *minv) |
| 124 | { |
| 125 | unsigned long sum = 0; |
| 126 | unsigned int len, i, j = 0; |
| 127 | unsigned int oval_len = 0; |
| 128 | unsigned int *ovals = NULL; |
| 129 | int is_last; |
| 130 | |
| 131 | *minv = -1U; |
| 132 | *maxv = 0; |
| 133 | |
| 134 | len = 0; |
| 135 | while (len < FIO_IO_U_LIST_MAX_LEN && plist[len].u.f != 0.0) |
| 136 | len++; |
| 137 | |
| 138 | if (!len) |
| 139 | return 0; |
| 140 | |
| 141 | /* |
| 142 | * Sort the percentile list. Note that it may already be sorted if |
| 143 | * we are using the default values, but since it's a short list this |
| 144 | * isn't a worry. Also note that this does not work for NaN values. |
| 145 | */ |
| 146 | if (len > 1) |
| 147 | qsort((void *)plist, len, sizeof(plist[0]), double_cmp); |
| 148 | |
| 149 | /* |
| 150 | * Calculate bucket values, note down max and min values |
| 151 | */ |
| 152 | is_last = 0; |
| 153 | for (i = 0; i < FIO_IO_U_PLAT_NR && !is_last; i++) { |
| 154 | sum += io_u_plat[i]; |
| 155 | while (sum >= (plist[j].u.f / 100.0 * nr)) { |
| 156 | assert(plist[j].u.f <= 100.0); |
| 157 | |
| 158 | if (j == oval_len) { |
| 159 | oval_len += 100; |
| 160 | ovals = realloc(ovals, oval_len * sizeof(unsigned int)); |
| 161 | } |
| 162 | |
| 163 | ovals[j] = plat_idx_to_val(i); |
| 164 | if (ovals[j] < *minv) |
| 165 | *minv = ovals[j]; |
| 166 | if (ovals[j] > *maxv) |
| 167 | *maxv = ovals[j]; |
| 168 | |
| 169 | is_last = (j == len - 1); |
| 170 | if (is_last) |
| 171 | break; |
| 172 | |
| 173 | j++; |
| 174 | } |
| 175 | } |
| 176 | |
| 177 | *output = ovals; |
| 178 | return len; |
| 179 | } |
| 180 | |
| 181 | /* |
| 182 | * Find and display the p-th percentile of clat |
| 183 | */ |
| 184 | static void show_clat_percentiles(unsigned int *io_u_plat, unsigned long nr, |
| 185 | fio_fp64_t *plist, unsigned int precision) |
| 186 | { |
| 187 | unsigned int len, j = 0, minv, maxv; |
| 188 | unsigned int *ovals; |
| 189 | int is_last, per_line, scale_down; |
| 190 | char fmt[32]; |
| 191 | |
| 192 | len = calc_clat_percentiles(io_u_plat, nr, plist, &ovals, &maxv, &minv); |
| 193 | if (!len) |
| 194 | goto out; |
| 195 | |
| 196 | /* |
| 197 | * We default to usecs, but if the value range is such that we |
| 198 | * should scale down to msecs, do that. |
| 199 | */ |
| 200 | if (minv > 2000 && maxv > 99999) { |
| 201 | scale_down = 1; |
| 202 | log_info(" clat percentiles (msec):\n |"); |
| 203 | } else { |
| 204 | scale_down = 0; |
| 205 | log_info(" clat percentiles (usec):\n |"); |
| 206 | } |
| 207 | |
| 208 | snprintf(fmt, sizeof(fmt), "%%1.%uf", precision); |
| 209 | per_line = (80 - 7) / (precision + 14); |
| 210 | |
| 211 | for (j = 0; j < len; j++) { |
| 212 | char fbuf[16], *ptr = fbuf; |
| 213 | |
| 214 | /* for formatting */ |
| 215 | if (j != 0 && (j % per_line) == 0) |
| 216 | log_info(" |"); |
| 217 | |
| 218 | /* end of the list */ |
| 219 | is_last = (j == len - 1); |
| 220 | |
| 221 | if (plist[j].u.f < 10.0) |
| 222 | ptr += sprintf(fbuf, " "); |
| 223 | |
| 224 | snprintf(ptr, sizeof(fbuf), fmt, plist[j].u.f); |
| 225 | |
| 226 | if (scale_down) |
| 227 | ovals[j] = (ovals[j] + 999) / 1000; |
| 228 | |
| 229 | log_info(" %sth=[%5u]%c", fbuf, ovals[j], is_last ? '\n' : ','); |
| 230 | |
| 231 | if (is_last) |
| 232 | break; |
| 233 | |
| 234 | if ((j % per_line) == per_line - 1) /* for formatting */ |
| 235 | log_info("\n"); |
| 236 | } |
| 237 | |
| 238 | out: |
| 239 | if (ovals) |
| 240 | free(ovals); |
| 241 | } |
| 242 | |
| 243 | int calc_lat(struct io_stat *is, unsigned long *min, unsigned long *max, |
| 244 | double *mean, double *dev) |
| 245 | { |
| 246 | double n = (double) is->samples; |
| 247 | |
| 248 | if (n == 0) |
| 249 | return 0; |
| 250 | |
| 251 | *min = is->min_val; |
| 252 | *max = is->max_val; |
| 253 | *mean = is->mean.u.f; |
| 254 | |
| 255 | if (n > 1.0) |
| 256 | *dev = sqrt(is->S.u.f / (n - 1.0)); |
| 257 | else |
| 258 | *dev = 0; |
| 259 | |
| 260 | return 1; |
| 261 | } |
| 262 | |
| 263 | void show_group_stats(struct group_run_stats *rs) |
| 264 | { |
| 265 | char *p1, *p2, *p3, *p4; |
| 266 | const char *ddir_str[] = { " READ", " WRITE" , " TRIM"}; |
| 267 | int i; |
| 268 | |
| 269 | log_info("\nRun status group %d (all jobs):\n", rs->groupid); |
| 270 | |
| 271 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
| 272 | const int i2p = is_power_of_2(rs->kb_base); |
| 273 | |
| 274 | if (!rs->max_run[i]) |
| 275 | continue; |
| 276 | |
| 277 | p1 = num2str(rs->io_kb[i], 6, rs->kb_base, i2p, 8); |
| 278 | p2 = num2str(rs->agg[i], 6, rs->kb_base, i2p, rs->unit_base); |
| 279 | p3 = num2str(rs->min_bw[i], 6, rs->kb_base, i2p, rs->unit_base); |
| 280 | p4 = num2str(rs->max_bw[i], 6, rs->kb_base, i2p, rs->unit_base); |
| 281 | |
| 282 | log_info("%s: io=%s, aggrb=%s/s, minb=%s/s, maxb=%s/s," |
| 283 | " mint=%llumsec, maxt=%llumsec\n", |
| 284 | rs->unified_rw_rep ? " MIXED" : ddir_str[i], |
| 285 | p1, p2, p3, p4, |
| 286 | (unsigned long long) rs->min_run[i], |
| 287 | (unsigned long long) rs->max_run[i]); |
| 288 | |
| 289 | free(p1); |
| 290 | free(p2); |
| 291 | free(p3); |
| 292 | free(p4); |
| 293 | } |
| 294 | } |
| 295 | |
| 296 | void stat_calc_dist(unsigned int *map, unsigned long total, double *io_u_dist) |
| 297 | { |
| 298 | int i; |
| 299 | |
| 300 | /* |
| 301 | * Do depth distribution calculations |
| 302 | */ |
| 303 | for (i = 0; i < FIO_IO_U_MAP_NR; i++) { |
| 304 | if (total) { |
| 305 | io_u_dist[i] = (double) map[i] / (double) total; |
| 306 | io_u_dist[i] *= 100.0; |
| 307 | if (io_u_dist[i] < 0.1 && map[i]) |
| 308 | io_u_dist[i] = 0.1; |
| 309 | } else |
| 310 | io_u_dist[i] = 0.0; |
| 311 | } |
| 312 | } |
| 313 | |
| 314 | static void stat_calc_lat(struct thread_stat *ts, double *dst, |
| 315 | unsigned int *src, int nr) |
| 316 | { |
| 317 | unsigned long total = ddir_rw_sum(ts->total_io_u); |
| 318 | int i; |
| 319 | |
| 320 | /* |
| 321 | * Do latency distribution calculations |
| 322 | */ |
| 323 | for (i = 0; i < nr; i++) { |
| 324 | if (total) { |
| 325 | dst[i] = (double) src[i] / (double) total; |
| 326 | dst[i] *= 100.0; |
| 327 | if (dst[i] < 0.01 && src[i]) |
| 328 | dst[i] = 0.01; |
| 329 | } else |
| 330 | dst[i] = 0.0; |
| 331 | } |
| 332 | } |
| 333 | |
| 334 | void stat_calc_lat_u(struct thread_stat *ts, double *io_u_lat) |
| 335 | { |
| 336 | stat_calc_lat(ts, io_u_lat, ts->io_u_lat_u, FIO_IO_U_LAT_U_NR); |
| 337 | } |
| 338 | |
| 339 | void stat_calc_lat_m(struct thread_stat *ts, double *io_u_lat) |
| 340 | { |
| 341 | stat_calc_lat(ts, io_u_lat, ts->io_u_lat_m, FIO_IO_U_LAT_M_NR); |
| 342 | } |
| 343 | |
| 344 | static void display_lat(const char *name, unsigned long min, unsigned long max, |
| 345 | double mean, double dev) |
| 346 | { |
| 347 | const char *base = "(usec)"; |
| 348 | char *minp, *maxp; |
| 349 | |
| 350 | if (!usec_to_msec(&min, &max, &mean, &dev)) |
| 351 | base = "(msec)"; |
| 352 | |
| 353 | minp = num2str(min, 6, 1, 0, 0); |
| 354 | maxp = num2str(max, 6, 1, 0, 0); |
| 355 | |
| 356 | log_info(" %s %s: min=%s, max=%s, avg=%5.02f," |
| 357 | " stdev=%5.02f\n", name, base, minp, maxp, mean, dev); |
| 358 | |
| 359 | free(minp); |
| 360 | free(maxp); |
| 361 | } |
| 362 | |
| 363 | static void show_ddir_status(struct group_run_stats *rs, struct thread_stat *ts, |
| 364 | int ddir) |
| 365 | { |
| 366 | const char *ddir_str[] = { "read ", "write", "trim" }; |
| 367 | unsigned long min, max, runt; |
| 368 | unsigned long long bw, iops; |
| 369 | double mean, dev; |
| 370 | char *io_p, *bw_p, *iops_p; |
| 371 | int i2p; |
| 372 | |
| 373 | assert(ddir_rw(ddir)); |
| 374 | |
| 375 | if (!ts->runtime[ddir]) |
| 376 | return; |
| 377 | |
| 378 | i2p = is_power_of_2(rs->kb_base); |
| 379 | runt = ts->runtime[ddir]; |
| 380 | |
| 381 | bw = (1000 * ts->io_bytes[ddir]) / runt; |
| 382 | io_p = num2str(ts->io_bytes[ddir], 6, 1, i2p, 8); |
| 383 | bw_p = num2str(bw, 6, 1, i2p, ts->unit_base); |
| 384 | |
| 385 | iops = (1000 * (uint64_t)ts->total_io_u[ddir]) / runt; |
| 386 | iops_p = num2str(iops, 6, 1, 0, 0); |
| 387 | |
| 388 | log_info(" %s: io=%s, bw=%s/s, iops=%s, runt=%6llumsec\n", |
| 389 | rs->unified_rw_rep ? "mixed" : ddir_str[ddir], |
| 390 | io_p, bw_p, iops_p, |
| 391 | (unsigned long long) ts->runtime[ddir]); |
| 392 | |
| 393 | free(io_p); |
| 394 | free(bw_p); |
| 395 | free(iops_p); |
| 396 | |
| 397 | if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev)) |
| 398 | display_lat("slat", min, max, mean, dev); |
| 399 | if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev)) |
| 400 | display_lat("clat", min, max, mean, dev); |
| 401 | if (calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev)) |
| 402 | display_lat(" lat", min, max, mean, dev); |
| 403 | |
| 404 | if (ts->clat_percentiles) { |
| 405 | show_clat_percentiles(ts->io_u_plat[ddir], |
| 406 | ts->clat_stat[ddir].samples, |
| 407 | ts->percentile_list, |
| 408 | ts->percentile_precision); |
| 409 | } |
| 410 | if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) { |
| 411 | double p_of_agg = 100.0, fkb_base = (double)rs->kb_base; |
| 412 | const char *bw_str = (rs->unit_base == 1 ? "Kbit" : "KB"); |
| 413 | |
| 414 | if (rs->unit_base == 1) { |
| 415 | min *= 8.0; |
| 416 | max *= 8.0; |
| 417 | mean *= 8.0; |
| 418 | dev *= 8.0; |
| 419 | } |
| 420 | |
| 421 | if (rs->agg[ddir]) { |
| 422 | p_of_agg = mean * 100 / (double) rs->agg[ddir]; |
| 423 | if (p_of_agg > 100.0) |
| 424 | p_of_agg = 100.0; |
| 425 | } |
| 426 | |
| 427 | if (mean > fkb_base * fkb_base) { |
| 428 | min /= fkb_base; |
| 429 | max /= fkb_base; |
| 430 | mean /= fkb_base; |
| 431 | dev /= fkb_base; |
| 432 | bw_str = (rs->unit_base == 1 ? "Mbit" : "MB"); |
| 433 | } |
| 434 | |
| 435 | log_info(" bw (%-4s/s): min=%5lu, max=%5lu, per=%3.2f%%," |
| 436 | " avg=%5.02f, stdev=%5.02f\n", bw_str, min, max, |
| 437 | p_of_agg, mean, dev); |
| 438 | } |
| 439 | } |
| 440 | |
| 441 | static int show_lat(double *io_u_lat, int nr, const char **ranges, |
| 442 | const char *msg) |
| 443 | { |
| 444 | int new_line = 1, i, line = 0, shown = 0; |
| 445 | |
| 446 | for (i = 0; i < nr; i++) { |
| 447 | if (io_u_lat[i] <= 0.0) |
| 448 | continue; |
| 449 | shown = 1; |
| 450 | if (new_line) { |
| 451 | if (line) |
| 452 | log_info("\n"); |
| 453 | log_info(" lat (%s) : ", msg); |
| 454 | new_line = 0; |
| 455 | line = 0; |
| 456 | } |
| 457 | if (line) |
| 458 | log_info(", "); |
| 459 | log_info("%s%3.2f%%", ranges[i], io_u_lat[i]); |
| 460 | line++; |
| 461 | if (line == 5) |
| 462 | new_line = 1; |
| 463 | } |
| 464 | |
| 465 | if (shown) |
| 466 | log_info("\n"); |
| 467 | |
| 468 | return shown; |
| 469 | } |
| 470 | |
| 471 | static void show_lat_u(double *io_u_lat_u) |
| 472 | { |
| 473 | const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=", |
| 474 | "250=", "500=", "750=", "1000=", }; |
| 475 | |
| 476 | show_lat(io_u_lat_u, FIO_IO_U_LAT_U_NR, ranges, "usec"); |
| 477 | } |
| 478 | |
| 479 | static void show_lat_m(double *io_u_lat_m) |
| 480 | { |
| 481 | const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=", |
| 482 | "250=", "500=", "750=", "1000=", "2000=", |
| 483 | ">=2000=", }; |
| 484 | |
| 485 | show_lat(io_u_lat_m, FIO_IO_U_LAT_M_NR, ranges, "msec"); |
| 486 | } |
| 487 | |
| 488 | static void show_latencies(struct thread_stat *ts) |
| 489 | { |
| 490 | double io_u_lat_u[FIO_IO_U_LAT_U_NR]; |
| 491 | double io_u_lat_m[FIO_IO_U_LAT_M_NR]; |
| 492 | |
| 493 | stat_calc_lat_u(ts, io_u_lat_u); |
| 494 | stat_calc_lat_m(ts, io_u_lat_m); |
| 495 | |
| 496 | show_lat_u(io_u_lat_u); |
| 497 | show_lat_m(io_u_lat_m); |
| 498 | } |
| 499 | |
| 500 | static void show_thread_status_normal(struct thread_stat *ts, |
| 501 | struct group_run_stats *rs) |
| 502 | { |
| 503 | double usr_cpu, sys_cpu; |
| 504 | unsigned long runtime; |
| 505 | double io_u_dist[FIO_IO_U_MAP_NR]; |
| 506 | time_t time_p; |
| 507 | char time_buf[64]; |
| 508 | |
| 509 | if (!(ts->io_bytes[DDIR_READ] + ts->io_bytes[DDIR_WRITE] + |
| 510 | ts->io_bytes[DDIR_TRIM]) && !(ts->total_io_u[DDIR_READ] + |
| 511 | ts->total_io_u[DDIR_WRITE] + ts->total_io_u[DDIR_TRIM])) |
| 512 | return; |
| 513 | |
| 514 | time(&time_p); |
| 515 | os_ctime_r((const time_t *) &time_p, time_buf, sizeof(time_buf)); |
| 516 | |
| 517 | if (!ts->error) { |
| 518 | log_info("%s: (groupid=%d, jobs=%d): err=%2d: pid=%d: %s", |
| 519 | ts->name, ts->groupid, ts->members, |
| 520 | ts->error, (int) ts->pid, time_buf); |
| 521 | } else { |
| 522 | log_info("%s: (groupid=%d, jobs=%d): err=%2d (%s): pid=%d: %s", |
| 523 | ts->name, ts->groupid, ts->members, |
| 524 | ts->error, ts->verror, (int) ts->pid, |
| 525 | time_buf); |
| 526 | } |
| 527 | |
| 528 | if (strlen(ts->description)) |
| 529 | log_info(" Description : [%s]\n", ts->description); |
| 530 | |
| 531 | if (ts->io_bytes[DDIR_READ]) |
| 532 | show_ddir_status(rs, ts, DDIR_READ); |
| 533 | if (ts->io_bytes[DDIR_WRITE]) |
| 534 | show_ddir_status(rs, ts, DDIR_WRITE); |
| 535 | if (ts->io_bytes[DDIR_TRIM]) |
| 536 | show_ddir_status(rs, ts, DDIR_TRIM); |
| 537 | |
| 538 | show_latencies(ts); |
| 539 | |
| 540 | runtime = ts->total_run_time; |
| 541 | if (runtime) { |
| 542 | double runt = (double) runtime; |
| 543 | |
| 544 | usr_cpu = (double) ts->usr_time * 100 / runt; |
| 545 | sys_cpu = (double) ts->sys_time * 100 / runt; |
| 546 | } else { |
| 547 | usr_cpu = 0; |
| 548 | sys_cpu = 0; |
| 549 | } |
| 550 | |
| 551 | log_info(" cpu : usr=%3.2f%%, sys=%3.2f%%, ctx=%llu," |
| 552 | " majf=%llu, minf=%llu\n", usr_cpu, sys_cpu, |
| 553 | (unsigned long long) ts->ctx, |
| 554 | (unsigned long long) ts->majf, |
| 555 | (unsigned long long) ts->minf); |
| 556 | |
| 557 | stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist); |
| 558 | log_info(" IO depths : 1=%3.1f%%, 2=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%," |
| 559 | " 16=%3.1f%%, 32=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0], |
| 560 | io_u_dist[1], io_u_dist[2], |
| 561 | io_u_dist[3], io_u_dist[4], |
| 562 | io_u_dist[5], io_u_dist[6]); |
| 563 | |
| 564 | stat_calc_dist(ts->io_u_submit, ts->total_submit, io_u_dist); |
| 565 | log_info(" submit : 0=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%, 16=%3.1f%%," |
| 566 | " 32=%3.1f%%, 64=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0], |
| 567 | io_u_dist[1], io_u_dist[2], |
| 568 | io_u_dist[3], io_u_dist[4], |
| 569 | io_u_dist[5], io_u_dist[6]); |
| 570 | stat_calc_dist(ts->io_u_complete, ts->total_complete, io_u_dist); |
| 571 | log_info(" complete : 0=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%, 16=%3.1f%%," |
| 572 | " 32=%3.1f%%, 64=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0], |
| 573 | io_u_dist[1], io_u_dist[2], |
| 574 | io_u_dist[3], io_u_dist[4], |
| 575 | io_u_dist[5], io_u_dist[6]); |
| 576 | log_info(" issued : total=r=%llu/w=%llu/d=%llu," |
| 577 | " short=r=%llu/w=%llu/d=%llu\n", |
| 578 | (unsigned long long) ts->total_io_u[0], |
| 579 | (unsigned long long) ts->total_io_u[1], |
| 580 | (unsigned long long) ts->total_io_u[2], |
| 581 | (unsigned long long) ts->short_io_u[0], |
| 582 | (unsigned long long) ts->short_io_u[1], |
| 583 | (unsigned long long) ts->short_io_u[2]); |
| 584 | if (ts->continue_on_error) { |
| 585 | log_info(" errors : total=%llu, first_error=%d/<%s>\n", |
| 586 | (unsigned long long)ts->total_err_count, |
| 587 | ts->first_error, |
| 588 | strerror(ts->first_error)); |
| 589 | } |
| 590 | if (ts->latency_depth) { |
| 591 | log_info(" latency : target=%llu, window=%llu, percentile=%.2f%%, depth=%u\n", |
| 592 | (unsigned long long)ts->latency_target, |
| 593 | (unsigned long long)ts->latency_window, |
| 594 | ts->latency_percentile.u.f, |
| 595 | ts->latency_depth); |
| 596 | } |
| 597 | } |
| 598 | |
| 599 | static void show_ddir_status_terse(struct thread_stat *ts, |
| 600 | struct group_run_stats *rs, int ddir) |
| 601 | { |
| 602 | unsigned long min, max; |
| 603 | unsigned long long bw, iops; |
| 604 | unsigned int *ovals = NULL; |
| 605 | double mean, dev; |
| 606 | unsigned int len, minv, maxv; |
| 607 | int i; |
| 608 | |
| 609 | assert(ddir_rw(ddir)); |
| 610 | |
| 611 | iops = bw = 0; |
| 612 | if (ts->runtime[ddir]) { |
| 613 | uint64_t runt = ts->runtime[ddir]; |
| 614 | |
| 615 | bw = ((1000 * ts->io_bytes[ddir]) / runt) / 1024; |
| 616 | iops = (1000 * (uint64_t) ts->total_io_u[ddir]) / runt; |
| 617 | } |
| 618 | |
| 619 | log_info(";%llu;%llu;%llu;%llu", |
| 620 | (unsigned long long) ts->io_bytes[ddir] >> 10, bw, iops, |
| 621 | (unsigned long long) ts->runtime[ddir]); |
| 622 | |
| 623 | if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev)) |
| 624 | log_info(";%lu;%lu;%f;%f", min, max, mean, dev); |
| 625 | else |
| 626 | log_info(";%lu;%lu;%f;%f", 0UL, 0UL, 0.0, 0.0); |
| 627 | |
| 628 | if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev)) |
| 629 | log_info(";%lu;%lu;%f;%f", min, max, mean, dev); |
| 630 | else |
| 631 | log_info(";%lu;%lu;%f;%f", 0UL, 0UL, 0.0, 0.0); |
| 632 | |
| 633 | if (ts->clat_percentiles) { |
| 634 | len = calc_clat_percentiles(ts->io_u_plat[ddir], |
| 635 | ts->clat_stat[ddir].samples, |
| 636 | ts->percentile_list, &ovals, &maxv, |
| 637 | &minv); |
| 638 | } else |
| 639 | len = 0; |
| 640 | |
| 641 | for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) { |
| 642 | if (i >= len) { |
| 643 | log_info(";0%%=0"); |
| 644 | continue; |
| 645 | } |
| 646 | log_info(";%f%%=%u", ts->percentile_list[i].u.f, ovals[i]); |
| 647 | } |
| 648 | |
| 649 | if (calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev)) |
| 650 | log_info(";%lu;%lu;%f;%f", min, max, mean, dev); |
| 651 | else |
| 652 | log_info(";%lu;%lu;%f;%f", 0UL, 0UL, 0.0, 0.0); |
| 653 | |
| 654 | if (ovals) |
| 655 | free(ovals); |
| 656 | |
| 657 | if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) { |
| 658 | double p_of_agg = 100.0; |
| 659 | |
| 660 | if (rs->agg[ddir]) { |
| 661 | p_of_agg = mean * 100 / (double) rs->agg[ddir]; |
| 662 | if (p_of_agg > 100.0) |
| 663 | p_of_agg = 100.0; |
| 664 | } |
| 665 | |
| 666 | log_info(";%lu;%lu;%f%%;%f;%f", min, max, p_of_agg, mean, dev); |
| 667 | } else |
| 668 | log_info(";%lu;%lu;%f%%;%f;%f", 0UL, 0UL, 0.0, 0.0, 0.0); |
| 669 | } |
| 670 | |
| 671 | static void add_ddir_status_json(struct thread_stat *ts, |
| 672 | struct group_run_stats *rs, int ddir, struct json_object *parent) |
| 673 | { |
| 674 | unsigned long min, max; |
| 675 | unsigned long long bw, iops; |
| 676 | unsigned int *ovals = NULL; |
| 677 | double mean, dev; |
| 678 | unsigned int len, minv, maxv; |
| 679 | int i; |
| 680 | const char *ddirname[] = {"read", "write", "trim"}; |
| 681 | struct json_object *dir_object, *tmp_object, *percentile_object; |
| 682 | char buf[120]; |
| 683 | double p_of_agg = 100.0; |
| 684 | |
| 685 | assert(ddir_rw(ddir)); |
| 686 | |
| 687 | if (ts->unified_rw_rep && ddir != DDIR_READ) |
| 688 | return; |
| 689 | |
| 690 | dir_object = json_create_object(); |
| 691 | json_object_add_value_object(parent, |
| 692 | ts->unified_rw_rep ? "mixed" : ddirname[ddir], dir_object); |
| 693 | |
| 694 | iops = bw = 0; |
| 695 | if (ts->runtime[ddir]) { |
| 696 | uint64_t runt = ts->runtime[ddir]; |
| 697 | |
| 698 | bw = ((1000 * ts->io_bytes[ddir]) / runt) / 1024; |
| 699 | iops = (1000 * (uint64_t) ts->total_io_u[ddir]) / runt; |
| 700 | } |
| 701 | |
| 702 | json_object_add_value_int(dir_object, "io_bytes", ts->io_bytes[ddir] >> 10); |
| 703 | json_object_add_value_int(dir_object, "bw", bw); |
| 704 | json_object_add_value_int(dir_object, "iops", iops); |
| 705 | json_object_add_value_int(dir_object, "runtime", ts->runtime[ddir]); |
| 706 | |
| 707 | if (!calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev)) { |
| 708 | min = max = 0; |
| 709 | mean = dev = 0.0; |
| 710 | } |
| 711 | tmp_object = json_create_object(); |
| 712 | json_object_add_value_object(dir_object, "slat", tmp_object); |
| 713 | json_object_add_value_int(tmp_object, "min", min); |
| 714 | json_object_add_value_int(tmp_object, "max", max); |
| 715 | json_object_add_value_float(tmp_object, "mean", mean); |
| 716 | json_object_add_value_float(tmp_object, "stddev", dev); |
| 717 | |
| 718 | if (!calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev)) { |
| 719 | min = max = 0; |
| 720 | mean = dev = 0.0; |
| 721 | } |
| 722 | tmp_object = json_create_object(); |
| 723 | json_object_add_value_object(dir_object, "clat", tmp_object); |
| 724 | json_object_add_value_int(tmp_object, "min", min); |
| 725 | json_object_add_value_int(tmp_object, "max", max); |
| 726 | json_object_add_value_float(tmp_object, "mean", mean); |
| 727 | json_object_add_value_float(tmp_object, "stddev", dev); |
| 728 | |
| 729 | if (ts->clat_percentiles) { |
| 730 | len = calc_clat_percentiles(ts->io_u_plat[ddir], |
| 731 | ts->clat_stat[ddir].samples, |
| 732 | ts->percentile_list, &ovals, &maxv, |
| 733 | &minv); |
| 734 | } else |
| 735 | len = 0; |
| 736 | |
| 737 | percentile_object = json_create_object(); |
| 738 | json_object_add_value_object(tmp_object, "percentile", percentile_object); |
| 739 | for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) { |
| 740 | if (i >= len) { |
| 741 | json_object_add_value_int(percentile_object, "0.00", 0); |
| 742 | continue; |
| 743 | } |
| 744 | snprintf(buf, sizeof(buf), "%f", ts->percentile_list[i].u.f); |
| 745 | json_object_add_value_int(percentile_object, (const char *)buf, ovals[i]); |
| 746 | } |
| 747 | |
| 748 | if (!calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev)) { |
| 749 | min = max = 0; |
| 750 | mean = dev = 0.0; |
| 751 | } |
| 752 | tmp_object = json_create_object(); |
| 753 | json_object_add_value_object(dir_object, "lat", tmp_object); |
| 754 | json_object_add_value_int(tmp_object, "min", min); |
| 755 | json_object_add_value_int(tmp_object, "max", max); |
| 756 | json_object_add_value_float(tmp_object, "mean", mean); |
| 757 | json_object_add_value_float(tmp_object, "stddev", dev); |
| 758 | if (ovals) |
| 759 | free(ovals); |
| 760 | |
| 761 | if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) { |
| 762 | if (rs->agg[ddir]) { |
| 763 | p_of_agg = mean * 100 / (double) rs->agg[ddir]; |
| 764 | if (p_of_agg > 100.0) |
| 765 | p_of_agg = 100.0; |
| 766 | } |
| 767 | } else { |
| 768 | min = max = 0; |
| 769 | p_of_agg = mean = dev = 0.0; |
| 770 | } |
| 771 | json_object_add_value_int(dir_object, "bw_min", min); |
| 772 | json_object_add_value_int(dir_object, "bw_max", max); |
| 773 | json_object_add_value_float(dir_object, "bw_agg", p_of_agg); |
| 774 | json_object_add_value_float(dir_object, "bw_mean", mean); |
| 775 | json_object_add_value_float(dir_object, "bw_dev", dev); |
| 776 | } |
| 777 | |
| 778 | static void show_thread_status_terse_v2(struct thread_stat *ts, |
| 779 | struct group_run_stats *rs) |
| 780 | { |
| 781 | double io_u_dist[FIO_IO_U_MAP_NR]; |
| 782 | double io_u_lat_u[FIO_IO_U_LAT_U_NR]; |
| 783 | double io_u_lat_m[FIO_IO_U_LAT_M_NR]; |
| 784 | double usr_cpu, sys_cpu; |
| 785 | int i; |
| 786 | |
| 787 | /* General Info */ |
| 788 | log_info("2;%s;%d;%d", ts->name, ts->groupid, ts->error); |
| 789 | /* Log Read Status */ |
| 790 | show_ddir_status_terse(ts, rs, DDIR_READ); |
| 791 | /* Log Write Status */ |
| 792 | show_ddir_status_terse(ts, rs, DDIR_WRITE); |
| 793 | /* Log Trim Status */ |
| 794 | show_ddir_status_terse(ts, rs, DDIR_TRIM); |
| 795 | |
| 796 | /* CPU Usage */ |
| 797 | if (ts->total_run_time) { |
| 798 | double runt = (double) ts->total_run_time; |
| 799 | |
| 800 | usr_cpu = (double) ts->usr_time * 100 / runt; |
| 801 | sys_cpu = (double) ts->sys_time * 100 / runt; |
| 802 | } else { |
| 803 | usr_cpu = 0; |
| 804 | sys_cpu = 0; |
| 805 | } |
| 806 | |
| 807 | log_info(";%f%%;%f%%;%llu;%llu;%llu", usr_cpu, sys_cpu, |
| 808 | (unsigned long long) ts->ctx, |
| 809 | (unsigned long long) ts->majf, |
| 810 | (unsigned long long) ts->minf); |
| 811 | |
| 812 | /* Calc % distribution of IO depths, usecond, msecond latency */ |
| 813 | stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist); |
| 814 | stat_calc_lat_u(ts, io_u_lat_u); |
| 815 | stat_calc_lat_m(ts, io_u_lat_m); |
| 816 | |
| 817 | /* Only show fixed 7 I/O depth levels*/ |
| 818 | log_info(";%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%", |
| 819 | io_u_dist[0], io_u_dist[1], io_u_dist[2], io_u_dist[3], |
| 820 | io_u_dist[4], io_u_dist[5], io_u_dist[6]); |
| 821 | |
| 822 | /* Microsecond latency */ |
| 823 | for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) |
| 824 | log_info(";%3.2f%%", io_u_lat_u[i]); |
| 825 | /* Millisecond latency */ |
| 826 | for (i = 0; i < FIO_IO_U_LAT_M_NR; i++) |
| 827 | log_info(";%3.2f%%", io_u_lat_m[i]); |
| 828 | /* Additional output if continue_on_error set - default off*/ |
| 829 | if (ts->continue_on_error) |
| 830 | log_info(";%llu;%d", (unsigned long long) ts->total_err_count, ts->first_error); |
| 831 | log_info("\n"); |
| 832 | |
| 833 | /* Additional output if description is set */ |
| 834 | if (strlen(ts->description)) |
| 835 | log_info(";%s", ts->description); |
| 836 | |
| 837 | log_info("\n"); |
| 838 | } |
| 839 | |
| 840 | static void show_thread_status_terse_v3_v4(struct thread_stat *ts, |
| 841 | struct group_run_stats *rs, int ver) |
| 842 | { |
| 843 | double io_u_dist[FIO_IO_U_MAP_NR]; |
| 844 | double io_u_lat_u[FIO_IO_U_LAT_U_NR]; |
| 845 | double io_u_lat_m[FIO_IO_U_LAT_M_NR]; |
| 846 | double usr_cpu, sys_cpu; |
| 847 | int i; |
| 848 | |
| 849 | /* General Info */ |
| 850 | log_info("%d;%s;%s;%d;%d", ver, fio_version_string, |
| 851 | ts->name, ts->groupid, ts->error); |
| 852 | /* Log Read Status */ |
| 853 | show_ddir_status_terse(ts, rs, DDIR_READ); |
| 854 | /* Log Write Status */ |
| 855 | show_ddir_status_terse(ts, rs, DDIR_WRITE); |
| 856 | /* Log Trim Status */ |
| 857 | if (ver == 4) |
| 858 | show_ddir_status_terse(ts, rs, DDIR_TRIM); |
| 859 | |
| 860 | /* CPU Usage */ |
| 861 | if (ts->total_run_time) { |
| 862 | double runt = (double) ts->total_run_time; |
| 863 | |
| 864 | usr_cpu = (double) ts->usr_time * 100 / runt; |
| 865 | sys_cpu = (double) ts->sys_time * 100 / runt; |
| 866 | } else { |
| 867 | usr_cpu = 0; |
| 868 | sys_cpu = 0; |
| 869 | } |
| 870 | |
| 871 | log_info(";%f%%;%f%%;%llu;%llu;%llu", usr_cpu, sys_cpu, |
| 872 | (unsigned long long) ts->ctx, |
| 873 | (unsigned long long) ts->majf, |
| 874 | (unsigned long long) ts->minf); |
| 875 | |
| 876 | /* Calc % distribution of IO depths, usecond, msecond latency */ |
| 877 | stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist); |
| 878 | stat_calc_lat_u(ts, io_u_lat_u); |
| 879 | stat_calc_lat_m(ts, io_u_lat_m); |
| 880 | |
| 881 | /* Only show fixed 7 I/O depth levels*/ |
| 882 | log_info(";%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%", |
| 883 | io_u_dist[0], io_u_dist[1], io_u_dist[2], io_u_dist[3], |
| 884 | io_u_dist[4], io_u_dist[5], io_u_dist[6]); |
| 885 | |
| 886 | /* Microsecond latency */ |
| 887 | for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) |
| 888 | log_info(";%3.2f%%", io_u_lat_u[i]); |
| 889 | /* Millisecond latency */ |
| 890 | for (i = 0; i < FIO_IO_U_LAT_M_NR; i++) |
| 891 | log_info(";%3.2f%%", io_u_lat_m[i]); |
| 892 | |
| 893 | /* disk util stats, if any */ |
| 894 | if (is_backend) |
| 895 | show_disk_util(1, NULL); |
| 896 | |
| 897 | /* Additional output if continue_on_error set - default off*/ |
| 898 | if (ts->continue_on_error) |
| 899 | log_info(";%llu;%d", (unsigned long long) ts->total_err_count, ts->first_error); |
| 900 | |
| 901 | /* Additional output if description is set */ |
| 902 | if (strlen(ts->description)) |
| 903 | log_info(";%s", ts->description); |
| 904 | |
| 905 | log_info("\n"); |
| 906 | } |
| 907 | |
| 908 | static struct json_object *show_thread_status_json(struct thread_stat *ts, |
| 909 | struct group_run_stats *rs) |
| 910 | { |
| 911 | struct json_object *root, *tmp; |
| 912 | double io_u_dist[FIO_IO_U_MAP_NR]; |
| 913 | double io_u_lat_u[FIO_IO_U_LAT_U_NR]; |
| 914 | double io_u_lat_m[FIO_IO_U_LAT_M_NR]; |
| 915 | double usr_cpu, sys_cpu; |
| 916 | int i; |
| 917 | |
| 918 | root = json_create_object(); |
| 919 | json_object_add_value_string(root, "jobname", ts->name); |
| 920 | json_object_add_value_int(root, "groupid", ts->groupid); |
| 921 | json_object_add_value_int(root, "error", ts->error); |
| 922 | |
| 923 | add_ddir_status_json(ts, rs, DDIR_READ, root); |
| 924 | add_ddir_status_json(ts, rs, DDIR_WRITE, root); |
| 925 | add_ddir_status_json(ts, rs, DDIR_TRIM, root); |
| 926 | |
| 927 | /* CPU Usage */ |
| 928 | if (ts->total_run_time) { |
| 929 | double runt = (double) ts->total_run_time; |
| 930 | |
| 931 | usr_cpu = (double) ts->usr_time * 100 / runt; |
| 932 | sys_cpu = (double) ts->sys_time * 100 / runt; |
| 933 | } else { |
| 934 | usr_cpu = 0; |
| 935 | sys_cpu = 0; |
| 936 | } |
| 937 | json_object_add_value_float(root, "usr_cpu", usr_cpu); |
| 938 | json_object_add_value_float(root, "sys_cpu", sys_cpu); |
| 939 | json_object_add_value_int(root, "ctx", ts->ctx); |
| 940 | json_object_add_value_int(root, "majf", ts->majf); |
| 941 | json_object_add_value_int(root, "minf", ts->minf); |
| 942 | |
| 943 | |
| 944 | /* Calc % distribution of IO depths, usecond, msecond latency */ |
| 945 | stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist); |
| 946 | stat_calc_lat_u(ts, io_u_lat_u); |
| 947 | stat_calc_lat_m(ts, io_u_lat_m); |
| 948 | |
| 949 | tmp = json_create_object(); |
| 950 | json_object_add_value_object(root, "iodepth_level", tmp); |
| 951 | /* Only show fixed 7 I/O depth levels*/ |
| 952 | for (i = 0; i < 7; i++) { |
| 953 | char name[20]; |
| 954 | if (i < 6) |
| 955 | snprintf(name, 20, "%d", 1 << i); |
| 956 | else |
| 957 | snprintf(name, 20, ">=%d", 1 << i); |
| 958 | json_object_add_value_float(tmp, (const char *)name, io_u_dist[i]); |
| 959 | } |
| 960 | |
| 961 | tmp = json_create_object(); |
| 962 | json_object_add_value_object(root, "latency_us", tmp); |
| 963 | /* Microsecond latency */ |
| 964 | for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) { |
| 965 | const char *ranges[] = { "2", "4", "10", "20", "50", "100", |
| 966 | "250", "500", "750", "1000", }; |
| 967 | json_object_add_value_float(tmp, ranges[i], io_u_lat_u[i]); |
| 968 | } |
| 969 | /* Millisecond latency */ |
| 970 | tmp = json_create_object(); |
| 971 | json_object_add_value_object(root, "latency_ms", tmp); |
| 972 | for (i = 0; i < FIO_IO_U_LAT_M_NR; i++) { |
| 973 | const char *ranges[] = { "2", "4", "10", "20", "50", "100", |
| 974 | "250", "500", "750", "1000", "2000", |
| 975 | ">=2000", }; |
| 976 | json_object_add_value_float(tmp, ranges[i], io_u_lat_m[i]); |
| 977 | } |
| 978 | |
| 979 | /* Additional output if continue_on_error set - default off*/ |
| 980 | if (ts->continue_on_error) { |
| 981 | json_object_add_value_int(root, "total_err", ts->total_err_count); |
| 982 | json_object_add_value_int(root, "first_error", ts->first_error); |
| 983 | } |
| 984 | |
| 985 | if (ts->latency_depth) { |
| 986 | json_object_add_value_int(root, "latency_depth", ts->latency_depth); |
| 987 | json_object_add_value_int(root, "latency_target", ts->latency_target); |
| 988 | json_object_add_value_float(root, "latency_percentile", ts->latency_percentile.u.f); |
| 989 | json_object_add_value_int(root, "latency_window", ts->latency_window); |
| 990 | } |
| 991 | |
| 992 | /* Additional output if description is set */ |
| 993 | if (strlen(ts->description)) |
| 994 | json_object_add_value_string(root, "desc", ts->description); |
| 995 | |
| 996 | return root; |
| 997 | } |
| 998 | |
| 999 | static void show_thread_status_terse(struct thread_stat *ts, |
| 1000 | struct group_run_stats *rs) |
| 1001 | { |
| 1002 | if (terse_version == 2) |
| 1003 | show_thread_status_terse_v2(ts, rs); |
| 1004 | else if (terse_version == 3 || terse_version == 4) |
| 1005 | show_thread_status_terse_v3_v4(ts, rs, terse_version); |
| 1006 | else |
| 1007 | log_err("fio: bad terse version!? %d\n", terse_version); |
| 1008 | } |
| 1009 | |
| 1010 | struct json_object *show_thread_status(struct thread_stat *ts, |
| 1011 | struct group_run_stats *rs) |
| 1012 | { |
| 1013 | if (output_format == FIO_OUTPUT_TERSE) |
| 1014 | show_thread_status_terse(ts, rs); |
| 1015 | else if (output_format == FIO_OUTPUT_JSON) |
| 1016 | return show_thread_status_json(ts, rs); |
| 1017 | else |
| 1018 | show_thread_status_normal(ts, rs); |
| 1019 | return NULL; |
| 1020 | } |
| 1021 | |
| 1022 | static void sum_stat(struct io_stat *dst, struct io_stat *src, int nr) |
| 1023 | { |
| 1024 | double mean, S; |
| 1025 | |
| 1026 | if (src->samples == 0) |
| 1027 | return; |
| 1028 | |
| 1029 | dst->min_val = min(dst->min_val, src->min_val); |
| 1030 | dst->max_val = max(dst->max_val, src->max_val); |
| 1031 | |
| 1032 | /* |
| 1033 | * Compute new mean and S after the merge |
| 1034 | * <http://en.wikipedia.org/wiki/Algorithms_for_calculating_variance |
| 1035 | * #Parallel_algorithm> |
| 1036 | */ |
| 1037 | if (nr == 1) { |
| 1038 | mean = src->mean.u.f; |
| 1039 | S = src->S.u.f; |
| 1040 | } else { |
| 1041 | double delta = src->mean.u.f - dst->mean.u.f; |
| 1042 | |
| 1043 | mean = ((src->mean.u.f * src->samples) + |
| 1044 | (dst->mean.u.f * dst->samples)) / |
| 1045 | (dst->samples + src->samples); |
| 1046 | |
| 1047 | S = src->S.u.f + dst->S.u.f + pow(delta, 2.0) * |
| 1048 | (dst->samples * src->samples) / |
| 1049 | (dst->samples + src->samples); |
| 1050 | } |
| 1051 | |
| 1052 | dst->samples += src->samples; |
| 1053 | dst->mean.u.f = mean; |
| 1054 | dst->S.u.f = S; |
| 1055 | } |
| 1056 | |
| 1057 | void sum_group_stats(struct group_run_stats *dst, struct group_run_stats *src) |
| 1058 | { |
| 1059 | int i; |
| 1060 | |
| 1061 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
| 1062 | if (dst->max_run[i] < src->max_run[i]) |
| 1063 | dst->max_run[i] = src->max_run[i]; |
| 1064 | if (dst->min_run[i] && dst->min_run[i] > src->min_run[i]) |
| 1065 | dst->min_run[i] = src->min_run[i]; |
| 1066 | if (dst->max_bw[i] < src->max_bw[i]) |
| 1067 | dst->max_bw[i] = src->max_bw[i]; |
| 1068 | if (dst->min_bw[i] && dst->min_bw[i] > src->min_bw[i]) |
| 1069 | dst->min_bw[i] = src->min_bw[i]; |
| 1070 | |
| 1071 | dst->io_kb[i] += src->io_kb[i]; |
| 1072 | dst->agg[i] += src->agg[i]; |
| 1073 | } |
| 1074 | |
| 1075 | } |
| 1076 | |
| 1077 | void sum_thread_stats(struct thread_stat *dst, struct thread_stat *src, int nr) |
| 1078 | { |
| 1079 | int l, k; |
| 1080 | |
| 1081 | for (l = 0; l < DDIR_RWDIR_CNT; l++) { |
| 1082 | if (!dst->unified_rw_rep) { |
| 1083 | sum_stat(&dst->clat_stat[l], &src->clat_stat[l], nr); |
| 1084 | sum_stat(&dst->slat_stat[l], &src->slat_stat[l], nr); |
| 1085 | sum_stat(&dst->lat_stat[l], &src->lat_stat[l], nr); |
| 1086 | sum_stat(&dst->bw_stat[l], &src->bw_stat[l], nr); |
| 1087 | |
| 1088 | dst->io_bytes[l] += src->io_bytes[l]; |
| 1089 | |
| 1090 | if (dst->runtime[l] < src->runtime[l]) |
| 1091 | dst->runtime[l] = src->runtime[l]; |
| 1092 | } else { |
| 1093 | sum_stat(&dst->clat_stat[0], &src->clat_stat[l], nr); |
| 1094 | sum_stat(&dst->slat_stat[0], &src->slat_stat[l], nr); |
| 1095 | sum_stat(&dst->lat_stat[0], &src->lat_stat[l], nr); |
| 1096 | sum_stat(&dst->bw_stat[0], &src->bw_stat[l], nr); |
| 1097 | |
| 1098 | dst->io_bytes[0] += src->io_bytes[l]; |
| 1099 | |
| 1100 | if (dst->runtime[0] < src->runtime[l]) |
| 1101 | dst->runtime[0] = src->runtime[l]; |
| 1102 | } |
| 1103 | } |
| 1104 | |
| 1105 | dst->usr_time += src->usr_time; |
| 1106 | dst->sys_time += src->sys_time; |
| 1107 | dst->ctx += src->ctx; |
| 1108 | dst->majf += src->majf; |
| 1109 | dst->minf += src->minf; |
| 1110 | |
| 1111 | for (k = 0; k < FIO_IO_U_MAP_NR; k++) |
| 1112 | dst->io_u_map[k] += src->io_u_map[k]; |
| 1113 | for (k = 0; k < FIO_IO_U_MAP_NR; k++) |
| 1114 | dst->io_u_submit[k] += src->io_u_submit[k]; |
| 1115 | for (k = 0; k < FIO_IO_U_MAP_NR; k++) |
| 1116 | dst->io_u_complete[k] += src->io_u_complete[k]; |
| 1117 | for (k = 0; k < FIO_IO_U_LAT_U_NR; k++) |
| 1118 | dst->io_u_lat_u[k] += src->io_u_lat_u[k]; |
| 1119 | for (k = 0; k < FIO_IO_U_LAT_M_NR; k++) |
| 1120 | dst->io_u_lat_m[k] += src->io_u_lat_m[k]; |
| 1121 | |
| 1122 | for (k = 0; k < DDIR_RWDIR_CNT; k++) { |
| 1123 | if (!dst->unified_rw_rep) { |
| 1124 | dst->total_io_u[k] += src->total_io_u[k]; |
| 1125 | dst->short_io_u[k] += src->short_io_u[k]; |
| 1126 | } else { |
| 1127 | dst->total_io_u[0] += src->total_io_u[k]; |
| 1128 | dst->short_io_u[0] += src->short_io_u[k]; |
| 1129 | } |
| 1130 | } |
| 1131 | |
| 1132 | for (k = 0; k < DDIR_RWDIR_CNT; k++) { |
| 1133 | int m; |
| 1134 | |
| 1135 | for (m = 0; m < FIO_IO_U_PLAT_NR; m++) { |
| 1136 | if (!dst->unified_rw_rep) |
| 1137 | dst->io_u_plat[k][m] += src->io_u_plat[k][m]; |
| 1138 | else |
| 1139 | dst->io_u_plat[0][m] += src->io_u_plat[k][m]; |
| 1140 | } |
| 1141 | } |
| 1142 | |
| 1143 | dst->total_run_time += src->total_run_time; |
| 1144 | dst->total_submit += src->total_submit; |
| 1145 | dst->total_complete += src->total_complete; |
| 1146 | } |
| 1147 | |
| 1148 | void init_group_run_stat(struct group_run_stats *gs) |
| 1149 | { |
| 1150 | int i; |
| 1151 | memset(gs, 0, sizeof(*gs)); |
| 1152 | |
| 1153 | for (i = 0; i < DDIR_RWDIR_CNT; i++) |
| 1154 | gs->min_bw[i] = gs->min_run[i] = ~0UL; |
| 1155 | } |
| 1156 | |
| 1157 | void init_thread_stat(struct thread_stat *ts) |
| 1158 | { |
| 1159 | int j; |
| 1160 | |
| 1161 | memset(ts, 0, sizeof(*ts)); |
| 1162 | |
| 1163 | for (j = 0; j < DDIR_RWDIR_CNT; j++) { |
| 1164 | ts->lat_stat[j].min_val = -1UL; |
| 1165 | ts->clat_stat[j].min_val = -1UL; |
| 1166 | ts->slat_stat[j].min_val = -1UL; |
| 1167 | ts->bw_stat[j].min_val = -1UL; |
| 1168 | } |
| 1169 | ts->groupid = -1; |
| 1170 | } |
| 1171 | |
| 1172 | static void __show_run_stats(void) |
| 1173 | { |
| 1174 | struct group_run_stats *runstats, *rs; |
| 1175 | struct thread_data *td; |
| 1176 | struct thread_stat *threadstats, *ts; |
| 1177 | int i, j, nr_ts, last_ts, idx; |
| 1178 | int kb_base_warned = 0; |
| 1179 | int unit_base_warned = 0; |
| 1180 | struct json_object *root = NULL; |
| 1181 | struct json_array *array = NULL; |
| 1182 | |
| 1183 | runstats = malloc(sizeof(struct group_run_stats) * (groupid + 1)); |
| 1184 | |
| 1185 | for (i = 0; i < groupid + 1; i++) |
| 1186 | init_group_run_stat(&runstats[i]); |
| 1187 | |
| 1188 | /* |
| 1189 | * find out how many threads stats we need. if group reporting isn't |
| 1190 | * enabled, it's one-per-td. |
| 1191 | */ |
| 1192 | nr_ts = 0; |
| 1193 | last_ts = -1; |
| 1194 | for_each_td(td, i) { |
| 1195 | if (!td->o.group_reporting) { |
| 1196 | nr_ts++; |
| 1197 | continue; |
| 1198 | } |
| 1199 | if (last_ts == td->groupid) |
| 1200 | continue; |
| 1201 | |
| 1202 | last_ts = td->groupid; |
| 1203 | nr_ts++; |
| 1204 | } |
| 1205 | |
| 1206 | threadstats = malloc(nr_ts * sizeof(struct thread_stat)); |
| 1207 | |
| 1208 | for (i = 0; i < nr_ts; i++) |
| 1209 | init_thread_stat(&threadstats[i]); |
| 1210 | |
| 1211 | j = 0; |
| 1212 | last_ts = -1; |
| 1213 | idx = 0; |
| 1214 | for_each_td(td, i) { |
| 1215 | if (idx && (!td->o.group_reporting || |
| 1216 | (td->o.group_reporting && last_ts != td->groupid))) { |
| 1217 | idx = 0; |
| 1218 | j++; |
| 1219 | } |
| 1220 | |
| 1221 | last_ts = td->groupid; |
| 1222 | |
| 1223 | ts = &threadstats[j]; |
| 1224 | |
| 1225 | ts->clat_percentiles = td->o.clat_percentiles; |
| 1226 | ts->percentile_precision = td->o.percentile_precision; |
| 1227 | memcpy(ts->percentile_list, td->o.percentile_list, sizeof(td->o.percentile_list)); |
| 1228 | |
| 1229 | idx++; |
| 1230 | ts->members++; |
| 1231 | |
| 1232 | if (ts->groupid == -1) { |
| 1233 | /* |
| 1234 | * These are per-group shared already |
| 1235 | */ |
| 1236 | strncpy(ts->name, td->o.name, FIO_JOBNAME_SIZE - 1); |
| 1237 | if (td->o.description) |
| 1238 | strncpy(ts->description, td->o.description, |
| 1239 | FIO_JOBDESC_SIZE - 1); |
| 1240 | else |
| 1241 | memset(ts->description, 0, FIO_JOBDESC_SIZE); |
| 1242 | |
| 1243 | /* |
| 1244 | * If multiple entries in this group, this is |
| 1245 | * the first member. |
| 1246 | */ |
| 1247 | ts->thread_number = td->thread_number; |
| 1248 | ts->groupid = td->groupid; |
| 1249 | |
| 1250 | /* |
| 1251 | * first pid in group, not very useful... |
| 1252 | */ |
| 1253 | ts->pid = td->pid; |
| 1254 | |
| 1255 | ts->kb_base = td->o.kb_base; |
| 1256 | ts->unit_base = td->o.unit_base; |
| 1257 | ts->unified_rw_rep = td->o.unified_rw_rep; |
| 1258 | } else if (ts->kb_base != td->o.kb_base && !kb_base_warned) { |
| 1259 | log_info("fio: kb_base differs for jobs in group, using" |
| 1260 | " %u as the base\n", ts->kb_base); |
| 1261 | kb_base_warned = 1; |
| 1262 | } else if (ts->unit_base != td->o.unit_base && !unit_base_warned) { |
| 1263 | log_info("fio: unit_base differs for jobs in group, using" |
| 1264 | " %u as the base\n", ts->unit_base); |
| 1265 | unit_base_warned = 1; |
| 1266 | } |
| 1267 | |
| 1268 | ts->continue_on_error = td->o.continue_on_error; |
| 1269 | ts->total_err_count += td->total_err_count; |
| 1270 | ts->first_error = td->first_error; |
| 1271 | if (!ts->error) { |
| 1272 | if (!td->error && td->o.continue_on_error && |
| 1273 | td->first_error) { |
| 1274 | ts->error = td->first_error; |
| 1275 | ts->verror[sizeof(ts->verror) - 1] = '\0'; |
| 1276 | strncpy(ts->verror, td->verror, sizeof(ts->verror) - 1); |
| 1277 | } else if (td->error) { |
| 1278 | ts->error = td->error; |
| 1279 | ts->verror[sizeof(ts->verror) - 1] = '\0'; |
| 1280 | strncpy(ts->verror, td->verror, sizeof(ts->verror) - 1); |
| 1281 | } |
| 1282 | } |
| 1283 | |
| 1284 | ts->latency_depth = td->latency_qd; |
| 1285 | ts->latency_target = td->o.latency_target; |
| 1286 | ts->latency_percentile = td->o.latency_percentile; |
| 1287 | ts->latency_window = td->o.latency_window; |
| 1288 | |
| 1289 | sum_thread_stats(ts, &td->ts, idx); |
| 1290 | } |
| 1291 | |
| 1292 | for (i = 0; i < nr_ts; i++) { |
| 1293 | unsigned long long bw; |
| 1294 | |
| 1295 | ts = &threadstats[i]; |
| 1296 | rs = &runstats[ts->groupid]; |
| 1297 | rs->kb_base = ts->kb_base; |
| 1298 | rs->unit_base = ts->unit_base; |
| 1299 | rs->unified_rw_rep += ts->unified_rw_rep; |
| 1300 | |
| 1301 | for (j = 0; j < DDIR_RWDIR_CNT; j++) { |
| 1302 | if (!ts->runtime[j]) |
| 1303 | continue; |
| 1304 | if (ts->runtime[j] < rs->min_run[j] || !rs->min_run[j]) |
| 1305 | rs->min_run[j] = ts->runtime[j]; |
| 1306 | if (ts->runtime[j] > rs->max_run[j]) |
| 1307 | rs->max_run[j] = ts->runtime[j]; |
| 1308 | |
| 1309 | bw = 0; |
| 1310 | if (ts->runtime[j]) { |
| 1311 | unsigned long runt = ts->runtime[j]; |
| 1312 | unsigned long long kb; |
| 1313 | |
| 1314 | kb = ts->io_bytes[j] / rs->kb_base; |
| 1315 | bw = kb * 1000 / runt; |
| 1316 | } |
| 1317 | if (bw < rs->min_bw[j]) |
| 1318 | rs->min_bw[j] = bw; |
| 1319 | if (bw > rs->max_bw[j]) |
| 1320 | rs->max_bw[j] = bw; |
| 1321 | |
| 1322 | rs->io_kb[j] += ts->io_bytes[j] / rs->kb_base; |
| 1323 | } |
| 1324 | } |
| 1325 | |
| 1326 | for (i = 0; i < groupid + 1; i++) { |
| 1327 | int ddir; |
| 1328 | |
| 1329 | rs = &runstats[i]; |
| 1330 | |
| 1331 | for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++) { |
| 1332 | if (rs->max_run[ddir]) |
| 1333 | rs->agg[ddir] = (rs->io_kb[ddir] * 1000) / |
| 1334 | rs->max_run[ddir]; |
| 1335 | } |
| 1336 | } |
| 1337 | |
| 1338 | /* |
| 1339 | * don't overwrite last signal output |
| 1340 | */ |
| 1341 | if (output_format == FIO_OUTPUT_NORMAL) |
| 1342 | log_info("\n"); |
| 1343 | else if (output_format == FIO_OUTPUT_JSON) { |
| 1344 | root = json_create_object(); |
| 1345 | json_object_add_value_string(root, "fio version", fio_version_string); |
| 1346 | array = json_create_array(); |
| 1347 | json_object_add_value_array(root, "jobs", array); |
| 1348 | } |
| 1349 | |
| 1350 | for (i = 0; i < nr_ts; i++) { |
| 1351 | ts = &threadstats[i]; |
| 1352 | rs = &runstats[ts->groupid]; |
| 1353 | |
| 1354 | if (is_backend) |
| 1355 | fio_server_send_ts(ts, rs); |
| 1356 | else if (output_format == FIO_OUTPUT_TERSE) |
| 1357 | show_thread_status_terse(ts, rs); |
| 1358 | else if (output_format == FIO_OUTPUT_JSON) { |
| 1359 | struct json_object *tmp = show_thread_status_json(ts, rs); |
| 1360 | json_array_add_value_object(array, tmp); |
| 1361 | } else |
| 1362 | show_thread_status_normal(ts, rs); |
| 1363 | } |
| 1364 | if (output_format == FIO_OUTPUT_JSON) { |
| 1365 | /* disk util stats, if any */ |
| 1366 | show_disk_util(1, root); |
| 1367 | |
| 1368 | show_idle_prof_stats(FIO_OUTPUT_JSON, root); |
| 1369 | |
| 1370 | json_print_object(root); |
| 1371 | log_info("\n"); |
| 1372 | json_free_object(root); |
| 1373 | } |
| 1374 | |
| 1375 | for (i = 0; i < groupid + 1; i++) { |
| 1376 | rs = &runstats[i]; |
| 1377 | |
| 1378 | rs->groupid = i; |
| 1379 | if (is_backend) |
| 1380 | fio_server_send_gs(rs); |
| 1381 | else if (output_format == FIO_OUTPUT_NORMAL) |
| 1382 | show_group_stats(rs); |
| 1383 | } |
| 1384 | |
| 1385 | if (is_backend) |
| 1386 | fio_server_send_du(); |
| 1387 | else if (output_format == FIO_OUTPUT_NORMAL) { |
| 1388 | show_disk_util(0, NULL); |
| 1389 | show_idle_prof_stats(FIO_OUTPUT_NORMAL, NULL); |
| 1390 | } |
| 1391 | |
| 1392 | if ( !(output_format == FIO_OUTPUT_TERSE) && append_terse_output) { |
| 1393 | log_info("\nAdditional Terse Output:\n"); |
| 1394 | |
| 1395 | for (i = 0; i < nr_ts; i++) { |
| 1396 | ts = &threadstats[i]; |
| 1397 | rs = &runstats[ts->groupid]; |
| 1398 | show_thread_status_terse(ts, rs); |
| 1399 | } |
| 1400 | } |
| 1401 | |
| 1402 | log_info_flush(); |
| 1403 | free(runstats); |
| 1404 | free(threadstats); |
| 1405 | } |
| 1406 | |
| 1407 | void show_run_stats(void) |
| 1408 | { |
| 1409 | fio_mutex_down(stat_mutex); |
| 1410 | __show_run_stats(); |
| 1411 | fio_mutex_up(stat_mutex); |
| 1412 | } |
| 1413 | |
| 1414 | static void *__show_running_run_stats(void fio_unused *arg) |
| 1415 | { |
| 1416 | struct thread_data *td; |
| 1417 | unsigned long long *rt; |
| 1418 | struct timeval tv; |
| 1419 | int i; |
| 1420 | |
| 1421 | rt = malloc(thread_number * sizeof(unsigned long long)); |
| 1422 | fio_gettime(&tv, NULL); |
| 1423 | |
| 1424 | for_each_td(td, i) { |
| 1425 | rt[i] = mtime_since(&td->start, &tv); |
| 1426 | if (td_read(td) && td->io_bytes[DDIR_READ]) |
| 1427 | td->ts.runtime[DDIR_READ] += rt[i]; |
| 1428 | if (td_write(td) && td->io_bytes[DDIR_WRITE]) |
| 1429 | td->ts.runtime[DDIR_WRITE] += rt[i]; |
| 1430 | if (td_trim(td) && td->io_bytes[DDIR_TRIM]) |
| 1431 | td->ts.runtime[DDIR_TRIM] += rt[i]; |
| 1432 | |
| 1433 | td->update_rusage = 1; |
| 1434 | td->ts.io_bytes[DDIR_READ] = td->io_bytes[DDIR_READ]; |
| 1435 | td->ts.io_bytes[DDIR_WRITE] = td->io_bytes[DDIR_WRITE]; |
| 1436 | td->ts.io_bytes[DDIR_TRIM] = td->io_bytes[DDIR_TRIM]; |
| 1437 | td->ts.total_run_time = mtime_since(&td->epoch, &tv); |
| 1438 | } |
| 1439 | |
| 1440 | for_each_td(td, i) { |
| 1441 | if (td->rusage_sem) { |
| 1442 | td->update_rusage = 1; |
| 1443 | fio_mutex_down(td->rusage_sem); |
| 1444 | } |
| 1445 | td->update_rusage = 0; |
| 1446 | } |
| 1447 | |
| 1448 | __show_run_stats(); |
| 1449 | |
| 1450 | for_each_td(td, i) { |
| 1451 | if (td_read(td) && td->io_bytes[DDIR_READ]) |
| 1452 | td->ts.runtime[DDIR_READ] -= rt[i]; |
| 1453 | if (td_write(td) && td->io_bytes[DDIR_WRITE]) |
| 1454 | td->ts.runtime[DDIR_WRITE] -= rt[i]; |
| 1455 | if (td_trim(td) && td->io_bytes[DDIR_TRIM]) |
| 1456 | td->ts.runtime[DDIR_TRIM] -= rt[i]; |
| 1457 | } |
| 1458 | |
| 1459 | free(rt); |
| 1460 | fio_mutex_up(stat_mutex); |
| 1461 | return NULL; |
| 1462 | } |
| 1463 | |
| 1464 | /* |
| 1465 | * Called from signal handler. It _should_ be safe to just run this inline |
| 1466 | * in the sig handler, but we should be disturbing the system less by just |
| 1467 | * creating a thread to do it. |
| 1468 | */ |
| 1469 | void show_running_run_stats(void) |
| 1470 | { |
| 1471 | pthread_t thread; |
| 1472 | |
| 1473 | fio_mutex_down(stat_mutex); |
| 1474 | |
| 1475 | if (!pthread_create(&thread, NULL, __show_running_run_stats, NULL)) { |
| 1476 | int err; |
| 1477 | |
| 1478 | err = pthread_detach(thread); |
| 1479 | if (err) |
| 1480 | log_err("fio: DU thread detach failed: %s\n", strerror(err)); |
| 1481 | |
| 1482 | return; |
| 1483 | } |
| 1484 | |
| 1485 | fio_mutex_up(stat_mutex); |
| 1486 | } |
| 1487 | |
| 1488 | static int status_interval_init; |
| 1489 | static struct timeval status_time; |
| 1490 | static int status_file_disabled; |
| 1491 | |
| 1492 | #define FIO_STATUS_FILE "fio-dump-status" |
| 1493 | |
| 1494 | static int check_status_file(void) |
| 1495 | { |
| 1496 | struct stat sb; |
| 1497 | const char *temp_dir; |
| 1498 | char fio_status_file_path[PATH_MAX]; |
| 1499 | |
| 1500 | if (status_file_disabled) |
| 1501 | return 0; |
| 1502 | |
| 1503 | temp_dir = getenv("TMPDIR"); |
| 1504 | if (temp_dir == NULL) { |
| 1505 | temp_dir = getenv("TEMP"); |
| 1506 | if (temp_dir && strlen(temp_dir) >= PATH_MAX) |
| 1507 | temp_dir = NULL; |
| 1508 | } |
| 1509 | if (temp_dir == NULL) |
| 1510 | temp_dir = "/tmp"; |
| 1511 | |
| 1512 | snprintf(fio_status_file_path, sizeof(fio_status_file_path), "%s/%s", temp_dir, FIO_STATUS_FILE); |
| 1513 | |
| 1514 | if (stat(fio_status_file_path, &sb)) |
| 1515 | return 0; |
| 1516 | |
| 1517 | if (unlink(fio_status_file_path) < 0) { |
| 1518 | log_err("fio: failed to unlink %s: %s\n", fio_status_file_path, |
| 1519 | strerror(errno)); |
| 1520 | log_err("fio: disabling status file updates\n"); |
| 1521 | status_file_disabled = 1; |
| 1522 | } |
| 1523 | |
| 1524 | return 1; |
| 1525 | } |
| 1526 | |
| 1527 | void check_for_running_stats(void) |
| 1528 | { |
| 1529 | if (status_interval) { |
| 1530 | if (!status_interval_init) { |
| 1531 | fio_gettime(&status_time, NULL); |
| 1532 | status_interval_init = 1; |
| 1533 | } else if (mtime_since_now(&status_time) >= status_interval) { |
| 1534 | show_running_run_stats(); |
| 1535 | fio_gettime(&status_time, NULL); |
| 1536 | return; |
| 1537 | } |
| 1538 | } |
| 1539 | if (check_status_file()) { |
| 1540 | show_running_run_stats(); |
| 1541 | return; |
| 1542 | } |
| 1543 | } |
| 1544 | |
| 1545 | static inline void add_stat_sample(struct io_stat *is, unsigned long data) |
| 1546 | { |
| 1547 | double val = data; |
| 1548 | double delta; |
| 1549 | |
| 1550 | if (data > is->max_val) |
| 1551 | is->max_val = data; |
| 1552 | if (data < is->min_val) |
| 1553 | is->min_val = data; |
| 1554 | |
| 1555 | delta = val - is->mean.u.f; |
| 1556 | if (delta) { |
| 1557 | is->mean.u.f += delta / (is->samples + 1.0); |
| 1558 | is->S.u.f += delta * (val - is->mean.u.f); |
| 1559 | } |
| 1560 | |
| 1561 | is->samples++; |
| 1562 | } |
| 1563 | |
| 1564 | static void __add_log_sample(struct io_log *iolog, unsigned long val, |
| 1565 | enum fio_ddir ddir, unsigned int bs, |
| 1566 | unsigned long t, uint64_t offset) |
| 1567 | { |
| 1568 | uint64_t nr_samples = iolog->nr_samples; |
| 1569 | struct io_sample *s; |
| 1570 | |
| 1571 | if (iolog->disabled) |
| 1572 | return; |
| 1573 | |
| 1574 | if (!iolog->nr_samples) |
| 1575 | iolog->avg_last = t; |
| 1576 | |
| 1577 | if (iolog->nr_samples == iolog->max_samples) { |
| 1578 | size_t new_size; |
| 1579 | void *new_log; |
| 1580 | |
| 1581 | new_size = 2 * iolog->max_samples * log_entry_sz(iolog); |
| 1582 | |
| 1583 | if (iolog->log_gz && (new_size > iolog->log_gz)) { |
| 1584 | if (iolog_flush(iolog, 0)) { |
| 1585 | log_err("fio: failed flushing iolog! Will stop logging.\n"); |
| 1586 | iolog->disabled = 1; |
| 1587 | return; |
| 1588 | } |
| 1589 | nr_samples = iolog->nr_samples; |
| 1590 | } else { |
| 1591 | new_log = realloc(iolog->log, new_size); |
| 1592 | if (!new_log) { |
| 1593 | log_err("fio: failed extending iolog! Will stop logging.\n"); |
| 1594 | iolog->disabled = 1; |
| 1595 | return; |
| 1596 | } |
| 1597 | iolog->log = new_log; |
| 1598 | iolog->max_samples <<= 1; |
| 1599 | } |
| 1600 | } |
| 1601 | |
| 1602 | s = get_sample(iolog, nr_samples); |
| 1603 | |
| 1604 | s->val = val; |
| 1605 | s->time = t; |
| 1606 | io_sample_set_ddir(iolog, s, ddir); |
| 1607 | s->bs = bs; |
| 1608 | |
| 1609 | if (iolog->log_offset) { |
| 1610 | struct io_sample_offset *so = (void *) s; |
| 1611 | |
| 1612 | so->offset = offset; |
| 1613 | } |
| 1614 | |
| 1615 | iolog->nr_samples++; |
| 1616 | } |
| 1617 | |
| 1618 | static inline void reset_io_stat(struct io_stat *ios) |
| 1619 | { |
| 1620 | ios->max_val = ios->min_val = ios->samples = 0; |
| 1621 | ios->mean.u.f = ios->S.u.f = 0; |
| 1622 | } |
| 1623 | |
| 1624 | void reset_io_stats(struct thread_data *td) |
| 1625 | { |
| 1626 | struct thread_stat *ts = &td->ts; |
| 1627 | int i, j; |
| 1628 | |
| 1629 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
| 1630 | reset_io_stat(&ts->clat_stat[i]); |
| 1631 | reset_io_stat(&ts->slat_stat[i]); |
| 1632 | reset_io_stat(&ts->lat_stat[i]); |
| 1633 | reset_io_stat(&ts->bw_stat[i]); |
| 1634 | reset_io_stat(&ts->iops_stat[i]); |
| 1635 | |
| 1636 | ts->io_bytes[i] = 0; |
| 1637 | ts->runtime[i] = 0; |
| 1638 | |
| 1639 | for (j = 0; j < FIO_IO_U_PLAT_NR; j++) |
| 1640 | ts->io_u_plat[i][j] = 0; |
| 1641 | } |
| 1642 | |
| 1643 | for (i = 0; i < FIO_IO_U_MAP_NR; i++) { |
| 1644 | ts->io_u_map[i] = 0; |
| 1645 | ts->io_u_submit[i] = 0; |
| 1646 | ts->io_u_complete[i] = 0; |
| 1647 | ts->io_u_lat_u[i] = 0; |
| 1648 | ts->io_u_lat_m[i] = 0; |
| 1649 | ts->total_submit = 0; |
| 1650 | ts->total_complete = 0; |
| 1651 | } |
| 1652 | |
| 1653 | for (i = 0; i < 3; i++) { |
| 1654 | ts->total_io_u[i] = 0; |
| 1655 | ts->short_io_u[i] = 0; |
| 1656 | } |
| 1657 | } |
| 1658 | |
| 1659 | static void _add_stat_to_log(struct io_log *iolog, unsigned long elapsed) |
| 1660 | { |
| 1661 | /* |
| 1662 | * Note an entry in the log. Use the mean from the logged samples, |
| 1663 | * making sure to properly round up. Only write a log entry if we |
| 1664 | * had actual samples done. |
| 1665 | */ |
| 1666 | if (iolog->avg_window[DDIR_READ].samples) { |
| 1667 | unsigned long mr; |
| 1668 | |
| 1669 | mr = iolog->avg_window[DDIR_READ].mean.u.f + 0.50; |
| 1670 | __add_log_sample(iolog, mr, DDIR_READ, 0, elapsed, 0); |
| 1671 | } |
| 1672 | if (iolog->avg_window[DDIR_WRITE].samples) { |
| 1673 | unsigned long mw; |
| 1674 | |
| 1675 | mw = iolog->avg_window[DDIR_WRITE].mean.u.f + 0.50; |
| 1676 | __add_log_sample(iolog, mw, DDIR_WRITE, 0, elapsed, 0); |
| 1677 | } |
| 1678 | if (iolog->avg_window[DDIR_TRIM].samples) { |
| 1679 | unsigned long mw; |
| 1680 | |
| 1681 | mw = iolog->avg_window[DDIR_TRIM].mean.u.f + 0.50; |
| 1682 | __add_log_sample(iolog, mw, DDIR_TRIM, 0, elapsed, 0); |
| 1683 | } |
| 1684 | |
| 1685 | reset_io_stat(&iolog->avg_window[DDIR_READ]); |
| 1686 | reset_io_stat(&iolog->avg_window[DDIR_WRITE]); |
| 1687 | reset_io_stat(&iolog->avg_window[DDIR_TRIM]); |
| 1688 | } |
| 1689 | |
| 1690 | static void add_log_sample(struct thread_data *td, struct io_log *iolog, |
| 1691 | unsigned long val, enum fio_ddir ddir, |
| 1692 | unsigned int bs, uint64_t offset) |
| 1693 | { |
| 1694 | unsigned long elapsed, this_window; |
| 1695 | |
| 1696 | if (!ddir_rw(ddir)) |
| 1697 | return; |
| 1698 | |
| 1699 | elapsed = mtime_since_now(&td->epoch); |
| 1700 | |
| 1701 | /* |
| 1702 | * If no time averaging, just add the log sample. |
| 1703 | */ |
| 1704 | if (!iolog->avg_msec) { |
| 1705 | __add_log_sample(iolog, val, ddir, bs, elapsed, offset); |
| 1706 | return; |
| 1707 | } |
| 1708 | |
| 1709 | /* |
| 1710 | * Add the sample. If the time period has passed, then |
| 1711 | * add that entry to the log and clear. |
| 1712 | */ |
| 1713 | add_stat_sample(&iolog->avg_window[ddir], val); |
| 1714 | |
| 1715 | /* |
| 1716 | * If period hasn't passed, adding the above sample is all we |
| 1717 | * need to do. |
| 1718 | */ |
| 1719 | this_window = elapsed - iolog->avg_last; |
| 1720 | if (this_window < iolog->avg_msec) |
| 1721 | return; |
| 1722 | |
| 1723 | _add_stat_to_log(iolog, elapsed); |
| 1724 | |
| 1725 | iolog->avg_last = elapsed; |
| 1726 | } |
| 1727 | |
| 1728 | void finalize_logs(struct thread_data *td) |
| 1729 | { |
| 1730 | unsigned long elapsed; |
| 1731 | |
| 1732 | elapsed = mtime_since_now(&td->epoch); |
| 1733 | |
| 1734 | if (td->clat_log) |
| 1735 | _add_stat_to_log(td->clat_log, elapsed); |
| 1736 | if (td->slat_log) |
| 1737 | _add_stat_to_log(td->slat_log, elapsed); |
| 1738 | if (td->lat_log) |
| 1739 | _add_stat_to_log(td->lat_log, elapsed); |
| 1740 | if (td->bw_log) |
| 1741 | _add_stat_to_log(td->bw_log, elapsed); |
| 1742 | if (td->iops_log) |
| 1743 | _add_stat_to_log(td->iops_log, elapsed); |
| 1744 | } |
| 1745 | |
| 1746 | void add_agg_sample(unsigned long val, enum fio_ddir ddir, unsigned int bs) |
| 1747 | { |
| 1748 | struct io_log *iolog; |
| 1749 | |
| 1750 | if (!ddir_rw(ddir)) |
| 1751 | return; |
| 1752 | |
| 1753 | iolog = agg_io_log[ddir]; |
| 1754 | __add_log_sample(iolog, val, ddir, bs, mtime_since_genesis(), 0); |
| 1755 | } |
| 1756 | |
| 1757 | static void add_clat_percentile_sample(struct thread_stat *ts, |
| 1758 | unsigned long usec, enum fio_ddir ddir) |
| 1759 | { |
| 1760 | unsigned int idx = plat_val_to_idx(usec); |
| 1761 | assert(idx < FIO_IO_U_PLAT_NR); |
| 1762 | |
| 1763 | ts->io_u_plat[ddir][idx]++; |
| 1764 | } |
| 1765 | |
| 1766 | void add_clat_sample(struct thread_data *td, enum fio_ddir ddir, |
| 1767 | unsigned long usec, unsigned int bs, uint64_t offset) |
| 1768 | { |
| 1769 | struct thread_stat *ts = &td->ts; |
| 1770 | |
| 1771 | if (!ddir_rw(ddir)) |
| 1772 | return; |
| 1773 | |
| 1774 | add_stat_sample(&ts->clat_stat[ddir], usec); |
| 1775 | |
| 1776 | if (td->clat_log) |
| 1777 | add_log_sample(td, td->clat_log, usec, ddir, bs, offset); |
| 1778 | |
| 1779 | if (ts->clat_percentiles) |
| 1780 | add_clat_percentile_sample(ts, usec, ddir); |
| 1781 | } |
| 1782 | |
| 1783 | void add_slat_sample(struct thread_data *td, enum fio_ddir ddir, |
| 1784 | unsigned long usec, unsigned int bs, uint64_t offset) |
| 1785 | { |
| 1786 | struct thread_stat *ts = &td->ts; |
| 1787 | |
| 1788 | if (!ddir_rw(ddir)) |
| 1789 | return; |
| 1790 | |
| 1791 | add_stat_sample(&ts->slat_stat[ddir], usec); |
| 1792 | |
| 1793 | if (td->slat_log) |
| 1794 | add_log_sample(td, td->slat_log, usec, ddir, bs, offset); |
| 1795 | } |
| 1796 | |
| 1797 | void add_lat_sample(struct thread_data *td, enum fio_ddir ddir, |
| 1798 | unsigned long usec, unsigned int bs, uint64_t offset) |
| 1799 | { |
| 1800 | struct thread_stat *ts = &td->ts; |
| 1801 | |
| 1802 | if (!ddir_rw(ddir)) |
| 1803 | return; |
| 1804 | |
| 1805 | add_stat_sample(&ts->lat_stat[ddir], usec); |
| 1806 | |
| 1807 | if (td->lat_log) |
| 1808 | add_log_sample(td, td->lat_log, usec, ddir, bs, offset); |
| 1809 | } |
| 1810 | |
| 1811 | void add_bw_sample(struct thread_data *td, enum fio_ddir ddir, unsigned int bs, |
| 1812 | struct timeval *t) |
| 1813 | { |
| 1814 | struct thread_stat *ts = &td->ts; |
| 1815 | unsigned long spent, rate; |
| 1816 | |
| 1817 | if (!ddir_rw(ddir)) |
| 1818 | return; |
| 1819 | |
| 1820 | spent = mtime_since(&td->bw_sample_time, t); |
| 1821 | if (spent < td->o.bw_avg_time) |
| 1822 | return; |
| 1823 | |
| 1824 | /* |
| 1825 | * Compute both read and write rates for the interval. |
| 1826 | */ |
| 1827 | for (ddir = DDIR_READ; ddir < DDIR_RWDIR_CNT; ddir++) { |
| 1828 | uint64_t delta; |
| 1829 | |
| 1830 | delta = td->this_io_bytes[ddir] - td->stat_io_bytes[ddir]; |
| 1831 | if (!delta) |
| 1832 | continue; /* No entries for interval */ |
| 1833 | |
| 1834 | if (spent) |
| 1835 | rate = delta * 1000 / spent / 1024; |
| 1836 | else |
| 1837 | rate = 0; |
| 1838 | |
| 1839 | add_stat_sample(&ts->bw_stat[ddir], rate); |
| 1840 | |
| 1841 | if (td->bw_log) |
| 1842 | add_log_sample(td, td->bw_log, rate, ddir, bs, 0); |
| 1843 | |
| 1844 | td->stat_io_bytes[ddir] = td->this_io_bytes[ddir]; |
| 1845 | } |
| 1846 | |
| 1847 | fio_gettime(&td->bw_sample_time, NULL); |
| 1848 | } |
| 1849 | |
| 1850 | void add_iops_sample(struct thread_data *td, enum fio_ddir ddir, unsigned int bs, |
| 1851 | struct timeval *t) |
| 1852 | { |
| 1853 | struct thread_stat *ts = &td->ts; |
| 1854 | unsigned long spent, iops; |
| 1855 | |
| 1856 | if (!ddir_rw(ddir)) |
| 1857 | return; |
| 1858 | |
| 1859 | spent = mtime_since(&td->iops_sample_time, t); |
| 1860 | if (spent < td->o.iops_avg_time) |
| 1861 | return; |
| 1862 | |
| 1863 | /* |
| 1864 | * Compute both read and write rates for the interval. |
| 1865 | */ |
| 1866 | for (ddir = DDIR_READ; ddir < DDIR_RWDIR_CNT; ddir++) { |
| 1867 | uint64_t delta; |
| 1868 | |
| 1869 | delta = td->this_io_blocks[ddir] - td->stat_io_blocks[ddir]; |
| 1870 | if (!delta) |
| 1871 | continue; /* No entries for interval */ |
| 1872 | |
| 1873 | if (spent) |
| 1874 | iops = (delta * 1000) / spent; |
| 1875 | else |
| 1876 | iops = 0; |
| 1877 | |
| 1878 | add_stat_sample(&ts->iops_stat[ddir], iops); |
| 1879 | |
| 1880 | if (td->iops_log) |
| 1881 | add_log_sample(td, td->iops_log, iops, ddir, bs, 0); |
| 1882 | |
| 1883 | td->stat_io_blocks[ddir] = td->this_io_blocks[ddir]; |
| 1884 | } |
| 1885 | |
| 1886 | fio_gettime(&td->iops_sample_time, NULL); |
| 1887 | } |
| 1888 | |
| 1889 | void stat_init(void) |
| 1890 | { |
| 1891 | stat_mutex = fio_mutex_init(FIO_MUTEX_UNLOCKED); |
| 1892 | } |
| 1893 | |
| 1894 | void stat_exit(void) |
| 1895 | { |
| 1896 | /* |
| 1897 | * When we have the mutex, we know out-of-band access to it |
| 1898 | * have ended. |
| 1899 | */ |
| 1900 | fio_mutex_down(stat_mutex); |
| 1901 | fio_mutex_remove(stat_mutex); |
| 1902 | } |