eta.c

   1 /*
   2  * Status and ETA code
   3  */
   4 #include <unistd.h>
   5 #include <fcntl.h>
   6 #include <string.h>
   7
   8 #include "fio.h"
   9
  10 static char __run_str[REAL_MAX_JOBS + 1];
  11 static char run_str[__THREAD_RUNSTR_SZ(REAL_MAX_JOBS)];
  12
  13 static void update_condensed_str(char *run_str, char *run_str_condensed)
  14 {
  15         if (*run_str) {
  16                 while (*run_str) {
  17                         int nr = 1;
  18
  19                         *run_str_condensed++ = *run_str++;
  20                         while (*(run_str - 1) == *run_str) {
  21                                 run_str++;
  22                                 nr++;
  23                         }
  24                         run_str_condensed += sprintf(run_str_condensed, "(%u),", nr);
  25                 }
  26                 run_str_condensed--;
  27         }
  28         *run_str_condensed = '\0';
  29 }
  30
  31 /*
  32  * Sets the status of the 'td' in the printed status map.
  33  */
  34 static void check_str_update(struct thread_data *td)
  35 {
  36         char c = __run_str[td->thread_number - 1];
  37
  38         switch (td->runstate) {
  39         case TD_REAPED:
  40                 if (td->error)
  41                         c = 'X';
  42                 else if (td->sig)
  43                         c = 'K';
  44                 else
  45                         c = '_';
  46                 break;
  47         case TD_EXITED:
  48                 c = 'E';
  49                 break;
  50         case TD_RAMP:
  51                 c = '/';
  52                 break;
  53         case TD_RUNNING:
  54                 if (td_rw(td)) {
  55                         if (td_random(td)) {
  56                                 if (td->o.rwmix[DDIR_READ] == 100)
  57                                         c = 'r';
  58                                 else if (td->o.rwmix[DDIR_WRITE] == 100)
  59                                         c = 'w';
  60                                 else
  61                                         c = 'm';
  62                         } else {
  63                                 if (td->o.rwmix[DDIR_READ] == 100)
  64                                         c = 'R';
  65                                 else if (td->o.rwmix[DDIR_WRITE] == 100)
  66                                         c = 'W';
  67                                 else
  68                                         c = 'M';
  69                         }
  70                 } else if (td_read(td)) {
  71                         if (td_random(td))
  72                                 c = 'r';
  73                         else
  74                                 c = 'R';
  75                 } else if (td_write(td)) {
  76                         if (td_random(td))
  77                                 c = 'w';
  78                         else
  79                                 c = 'W';
  80                 } else {
  81                         if (td_random(td))
  82                                 c = 'd';
  83                         else
  84                                 c = 'D';
  85                 }
  86                 break;
  87         case TD_PRE_READING:
  88                 c = 'p';
  89                 break;
  90         case TD_VERIFYING:
  91                 c = 'V';
  92                 break;
  93         case TD_FSYNCING:
  94                 c = 'F';
  95                 break;
  96         case TD_FINISHING:
  97                 c = 'f';
  98                 break;
  99         case TD_CREATED:
 100                 c = 'C';
 101                 break;
 102         case TD_INITIALIZED:
 103         case TD_SETTING_UP:
 104                 c = 'I';
 105                 break;
 106         case TD_NOT_CREATED:
 107                 c = 'P';
 108                 break;
 109         default:
 110                 log_err("state %d\n", td->runstate);
 111         }
 112
 113         __run_str[td->thread_number - 1] = c;
 114         update_condensed_str(__run_str, run_str);
 115 }
 116
 117 /*
 118  * Convert seconds to a printable string.
 119  */
 120 void eta_to_str(char *str, unsigned long eta_sec)
 121 {
 122         unsigned int d, h, m, s;
 123         int disp_hour = 0;
 124
 125         s = eta_sec % 60;
 126         eta_sec /= 60;
 127         m = eta_sec % 60;
 128         eta_sec /= 60;
 129         h = eta_sec % 24;
 130         eta_sec /= 24;
 131         d = eta_sec;
 132
 133         if (d) {
 134                 disp_hour = 1;
 135                 str += sprintf(str, "%02ud:", d);
 136         }
 137
 138         if (h || disp_hour)
 139                 str += sprintf(str, "%02uh:", h);
 140
 141         str += sprintf(str, "%02um:", m);
 142         str += sprintf(str, "%02us", s);
 143 }
 144
 145 /*
 146  * Best effort calculation of the estimated pending runtime of a job.
 147  */
 148 static int thread_eta(struct thread_data *td)
 149 {
 150         unsigned long long bytes_total, bytes_done;
 151         unsigned long eta_sec = 0;
 152         unsigned long elapsed;
 153         uint64_t timeout;
 154
 155         elapsed = (mtime_since_now(&td->epoch) + 999) / 1000;
 156         timeout = td->o.timeout / 1000000UL;
 157
 158         bytes_total = td->total_io_size;
 159
 160         if (td->o.fill_device && td->o.size  == -1ULL) {
 161                 if (!td->fill_device_size || td->fill_device_size == -1ULL)
 162                         return 0;
 163
 164                 bytes_total = td->fill_device_size;
 165         }
 166
 167         if (td->o.zone_size && td->o.zone_skip && bytes_total) {
 168                 unsigned int nr_zones;
 169                 uint64_t zone_bytes;
 170
 171                 zone_bytes = bytes_total + td->o.zone_size + td->o.zone_skip;
 172                 nr_zones = (zone_bytes - 1) / (td->o.zone_size + td->o.zone_skip);
 173                 bytes_total -= nr_zones * td->o.zone_skip;
 174         }
 175
 176         /*
 177          * if writing and verifying afterwards, bytes_total will be twice the
 178          * size. In a mixed workload, verify phase will be the size of the
 179          * first stage writes.
 180          */
 181         if (td->o.do_verify && td->o.verify && td_write(td)) {
 182                 if (td_rw(td)) {
 183                         unsigned int perc = 50;
 184
 185                         if (td->o.rwmix[DDIR_WRITE])
 186                                 perc = td->o.rwmix[DDIR_WRITE];
 187
 188                         bytes_total += (bytes_total * perc) / 100;
 189                 } else
 190                         bytes_total <<= 1;
 191         }
 192
 193         if (td->runstate == TD_RUNNING || td->runstate == TD_VERIFYING) {
 194                 double perc, perc_t;
 195
 196                 bytes_done = ddir_rw_sum(td->io_bytes);
 197
 198                 if (bytes_total) {
 199                         perc = (double) bytes_done / (double) bytes_total;
 200                         if (perc > 1.0)
 201                                 perc = 1.0;
 202                 } else
 203                         perc = 0.0;
 204
 205                 if (td->o.time_based) {
 206                         if (timeout) {
 207                                 perc_t = (double) elapsed / (double) timeout;
 208                                 if (perc_t < perc)
 209                                         perc = perc_t;
 210                         } else {
 211                                 /*
 212                                  * Will never hit, we can't have time_based
 213                                  * without a timeout set.
 214                                  */
 215                                 perc = 0.0;
 216                         }
 217                 }
 218
 219                 eta_sec = (unsigned long) (elapsed * (1.0 / perc)) - elapsed;
 220
 221                 if (td->o.timeout &&
 222                     eta_sec > (timeout + done_secs - elapsed))
 223                         eta_sec = timeout + done_secs - elapsed;
 224         } else if (td->runstate == TD_NOT_CREATED || td->runstate == TD_CREATED
 225                         || td->runstate == TD_INITIALIZED
 226                         || td->runstate == TD_SETTING_UP
 227                         || td->runstate == TD_RAMP
 228                         || td->runstate == TD_PRE_READING) {
 229                 int t_eta = 0, r_eta = 0;
 230                 unsigned long long rate_bytes;
 231
 232                 /*
 233                  * We can only guess - assume it'll run the full timeout
 234                  * if given, otherwise assume it'll run at the specified rate.
 235                  */
 236                 if (td->o.timeout) {
 237                         uint64_t timeout = td->o.timeout;
 238                         uint64_t start_delay = td->o.start_delay;
 239                         uint64_t ramp_time = td->o.ramp_time;
 240
 241                         t_eta = timeout + start_delay + ramp_time;
 242                         t_eta /= 1000000ULL;
 243
 244                         if (in_ramp_time(td)) {
 245                                 unsigned long ramp_left;
 246
 247                                 ramp_left = mtime_since_now(&td->epoch);
 248                                 ramp_left = (ramp_left + 999) / 1000;
 249                                 if (ramp_left <= t_eta)
 250                                         t_eta -= ramp_left;
 251                         }
 252                 }
 253                 rate_bytes = ddir_rw_sum(td->o.rate);
 254                 if (rate_bytes) {
 255                         r_eta = (bytes_total / 1024) / rate_bytes;
 256                         r_eta += (td->o.start_delay / 1000000ULL);
 257                 }
 258
 259                 if (r_eta && t_eta)
 260                         eta_sec = min(r_eta, t_eta);
 261                 else if (r_eta)
 262                         eta_sec = r_eta;
 263                 else if (t_eta)
 264                         eta_sec = t_eta;
 265                 else
 266                         eta_sec = 0;
 267         } else {
 268                 /*
 269                  * thread is already done or waiting for fsync
 270                  */
 271                 eta_sec = 0;
 272         }
 273
 274         return eta_sec;
 275 }
 276
 277 static void calc_rate(int unified_rw_rep, unsigned long mtime,
 278                       unsigned long long *io_bytes,
 279                       unsigned long long *prev_io_bytes, unsigned int *rate)
 280 {
 281         int i;
 282
 283         for (i = 0; i < DDIR_RWDIR_CNT; i++) {
 284                 unsigned long long diff;
 285
 286                 diff = io_bytes[i] - prev_io_bytes[i];
 287                 if (unified_rw_rep) {
 288                         rate[i] = 0;
 289                         rate[0] += ((1000 * diff) / mtime) / 1024;
 290                 } else
 291                         rate[i] = ((1000 * diff) / mtime) / 1024;
 292
 293                 prev_io_bytes[i] = io_bytes[i];
 294         }
 295 }
 296
 297 static void calc_iops(int unified_rw_rep, unsigned long mtime,
 298                       unsigned long long *io_iops,
 299                       unsigned long long *prev_io_iops, unsigned int *iops)
 300 {
 301         int i;
 302
 303         for (i = 0; i < DDIR_RWDIR_CNT; i++) {
 304                 unsigned long long diff;
 305
 306                 diff = io_iops[i] - prev_io_iops[i];
 307                 if (unified_rw_rep) {
 308                         iops[i] = 0;
 309                         iops[0] += (diff * 1000) / mtime;
 310                 } else
 311                         iops[i] = (diff * 1000) / mtime;
 312
 313                 prev_io_iops[i] = io_iops[i];
 314         }
 315 }
 316
 317 /*
 318  * Print status of the jobs we know about. This includes rate estimates,
 319  * ETA, thread state, etc.
 320  */
 321 int calc_thread_status(struct jobs_eta *je, int force)
 322 {
 323         struct thread_data *td;
 324         int i, unified_rw_rep;
 325         unsigned long rate_time, disp_time, bw_avg_time, *eta_secs;
 326         unsigned long long io_bytes[DDIR_RWDIR_CNT];
 327         unsigned long long io_iops[DDIR_RWDIR_CNT];
 328         struct timeval now;
 329
 330         static unsigned long long rate_io_bytes[DDIR_RWDIR_CNT];
 331         static unsigned long long disp_io_bytes[DDIR_RWDIR_CNT];
 332         static unsigned long long disp_io_iops[DDIR_RWDIR_CNT];
 333         static struct timeval rate_prev_time, disp_prev_time;
 334
 335         if (!force) {
 336                 if (output_format != FIO_OUTPUT_NORMAL &&
 337                     f_out == stdout)
 338                         return 0;
 339                 if (temp_stall_ts || eta_print == FIO_ETA_NEVER)
 340                         return 0;
 341
 342                 if (!isatty(STDOUT_FILENO) && (eta_print != FIO_ETA_ALWAYS))
 343                         return 0;
 344         }
 345
 346         if (!ddir_rw_sum(rate_io_bytes))
 347                 fill_start_time(&rate_prev_time);
 348         if (!ddir_rw_sum(disp_io_bytes))
 349                 fill_start_time(&disp_prev_time);
 350
 351         eta_secs = malloc(thread_number * sizeof(unsigned long));
 352         memset(eta_secs, 0, thread_number * sizeof(unsigned long));
 353
 354         je->elapsed_sec = (mtime_since_genesis() + 999) / 1000;
 355
 356         io_bytes[DDIR_READ] = io_bytes[DDIR_WRITE] = io_bytes[DDIR_TRIM] = 0;
 357         io_iops[DDIR_READ] = io_iops[DDIR_WRITE] = io_iops[DDIR_TRIM] = 0;
 358         bw_avg_time = ULONG_MAX;
 359         unified_rw_rep = 0;
 360         for_each_td(td, i) {
 361                 unified_rw_rep += td->o.unified_rw_rep;
 362                 if (is_power_of_2(td->o.kb_base))
 363                         je->is_pow2 = 1;
 364                 je->unit_base = td->o.unit_base;
 365                 if (td->o.bw_avg_time < bw_avg_time)
 366                         bw_avg_time = td->o.bw_avg_time;
 367                 if (td->runstate == TD_RUNNING || td->runstate == TD_VERIFYING
 368                     || td->runstate == TD_FSYNCING
 369                     || td->runstate == TD_PRE_READING
 370                     || td->runstate == TD_FINISHING) {
 371                         je->nr_running++;
 372                         if (td_read(td)) {
 373                                 je->t_rate[0] += td->o.rate[DDIR_READ];
 374                                 je->t_iops[0] += td->o.rate_iops[DDIR_READ];
 375                                 je->m_rate[0] += td->o.ratemin[DDIR_READ];
 376                                 je->m_iops[0] += td->o.rate_iops_min[DDIR_READ];
 377                         }
 378                         if (td_write(td)) {
 379                                 je->t_rate[1] += td->o.rate[DDIR_WRITE];
 380                                 je->t_iops[1] += td->o.rate_iops[DDIR_WRITE];
 381                                 je->m_rate[1] += td->o.ratemin[DDIR_WRITE];
 382                                 je->m_iops[1] += td->o.rate_iops_min[DDIR_WRITE];
 383                         }
 384                         if (td_trim(td)) {
 385                                 je->t_rate[2] += td->o.rate[DDIR_TRIM];
 386                                 je->t_iops[2] += td->o.rate_iops[DDIR_TRIM];
 387                                 je->m_rate[2] += td->o.ratemin[DDIR_TRIM];
 388                                 je->m_iops[2] += td->o.rate_iops_min[DDIR_TRIM];
 389                         }
 390
 391                         je->files_open += td->nr_open_files;
 392                 } else if (td->runstate == TD_RAMP) {
 393                         je->nr_running++;
 394                         je->nr_ramp++;
 395                 } else if (td->runstate == TD_SETTING_UP) {
 396                         je->nr_running++;
 397                         je->nr_setting_up++;
 398                 } else if (td->runstate < TD_RUNNING)
 399                         je->nr_pending++;
 400
 401                 if (je->elapsed_sec >= 3)
 402                         eta_secs[i] = thread_eta(td);
 403                 else
 404                         eta_secs[i] = INT_MAX;
 405
 406                 check_str_update(td);
 407
 408                 if (td->runstate > TD_SETTING_UP) {
 409                         int ddir;
 410
 411                         for (ddir = DDIR_READ; ddir < DDIR_RWDIR_CNT; ddir++) {
 412                                 if (unified_rw_rep) {
 413                                         io_bytes[0] += td->io_bytes[ddir];
 414                                         io_iops[0] += td->io_blocks[ddir];
 415                                 } else {
 416                                         io_bytes[ddir] += td->io_bytes[ddir];
 417                                         io_iops[ddir] += td->io_blocks[ddir];
 418                                 }
 419                         }
 420                 }
 421         }
 422
 423         if (exitall_on_terminate)
 424                 je->eta_sec = INT_MAX;
 425         else
 426                 je->eta_sec = 0;
 427
 428         for_each_td(td, i) {
 429                 if (exitall_on_terminate) {
 430                         if (eta_secs[i] < je->eta_sec)
 431                                 je->eta_sec = eta_secs[i];
 432                 } else {
 433                         if (eta_secs[i] > je->eta_sec)
 434                                 je->eta_sec = eta_secs[i];
 435                 }
 436         }
 437
 438         free(eta_secs);
 439
 440         fio_gettime(&now, NULL);
 441         rate_time = mtime_since(&rate_prev_time, &now);
 442
 443         if (write_bw_log && rate_time > bw_avg_time && !in_ramp_time(td)) {
 444                 calc_rate(unified_rw_rep, rate_time, io_bytes, rate_io_bytes,
 445                                 je->rate);
 446                 memcpy(&rate_prev_time, &now, sizeof(now));
 447                 add_agg_sample(je->rate[DDIR_READ], DDIR_READ, 0);
 448                 add_agg_sample(je->rate[DDIR_WRITE], DDIR_WRITE, 0);
 449                 add_agg_sample(je->rate[DDIR_TRIM], DDIR_TRIM, 0);
 450         }
 451
 452         disp_time = mtime_since(&disp_prev_time, &now);
 453
 454         /*
 455          * Allow a little slack, the target is to print it every 1000 msecs
 456          */
 457         if (!force && disp_time < 900)
 458                 return 0;
 459
 460         calc_rate(unified_rw_rep, disp_time, io_bytes, disp_io_bytes, je->rate);
 461         calc_iops(unified_rw_rep, disp_time, io_iops, disp_io_iops, je->iops);
 462
 463         memcpy(&disp_prev_time, &now, sizeof(now));
 464
 465         if (!force && !je->nr_running && !je->nr_pending)
 466                 return 0;
 467
 468         je->nr_threads = thread_number;
 469         update_condensed_str(__run_str, run_str);
 470         memcpy(je->run_str, run_str, strlen(run_str));
 471         return 1;
 472 }
 473
 474 void display_thread_status(struct jobs_eta *je)
 475 {
 476         static struct timeval disp_eta_new_line;
 477         static int eta_new_line_init, eta_new_line_pending;
 478         static int linelen_last;
 479         static int eta_good;
 480         char output[REAL_MAX_JOBS + 512], *p = output;
 481         char eta_str[128];
 482         double perc = 0.0;
 483
 484         if (je->eta_sec != INT_MAX && je->elapsed_sec) {
 485                 perc = (double) je->elapsed_sec / (double) (je->elapsed_sec + je->eta_sec);
 486                 eta_to_str(eta_str, je->eta_sec);
 487         }
 488
 489         if (eta_new_line_pending) {
 490                 eta_new_line_pending = 0;
 491                 p += sprintf(p, "\n");
 492         }
 493
 494         p += sprintf(p, "Jobs: %d (f=%d)", je->nr_running, je->files_open);
 495         if (je->m_rate[0] || je->m_rate[1] || je->t_rate[0] || je->t_rate[1]) {
 496                 char *tr, *mr;
 497
 498                 mr = num2str(je->m_rate[0] + je->m_rate[1], 4, 0, je->is_pow2, 8);
 499                 tr = num2str(je->t_rate[0] + je->t_rate[1], 4, 0, je->is_pow2, 8);
 500                 p += sprintf(p, ", CR=%s/%s KB/s", tr, mr);
 501                 free(tr);
 502                 free(mr);
 503         } else if (je->m_iops[0] || je->m_iops[1] || je->t_iops[0] || je->t_iops[1]) {
 504                 p += sprintf(p, ", CR=%d/%d IOPS",
 505                                         je->t_iops[0] + je->t_iops[1],
 506                                         je->m_iops[0] + je->m_iops[1]);
 507         }
 508         if (je->eta_sec != INT_MAX && je->nr_running) {
 509                 char perc_str[32];
 510                 char *iops_str[DDIR_RWDIR_CNT];
 511                 char *rate_str[DDIR_RWDIR_CNT];
 512                 size_t left;
 513                 int l;
 514                 int ddir;
 515
 516                 if ((!je->eta_sec && !eta_good) || je->nr_ramp == je->nr_running)
 517                         strcpy(perc_str, "-.-% done");
 518                 else {
 519                         double mult = 100.0;
 520
 521                         if (je->nr_setting_up && je->nr_running)
 522                                 mult *= (1.0 - (double) je->nr_setting_up / (double) je->nr_running);
 523
 524                         eta_good = 1;
 525                         perc *= mult;
 526                         sprintf(perc_str, "%3.1f%% done", perc);
 527                 }
 528
 529                 for (ddir = DDIR_READ; ddir < DDIR_RWDIR_CNT; ddir++) {
 530                         rate_str[ddir] = num2str(je->rate[ddir], 5,
 531                                                 1024, je->is_pow2, je->unit_base);
 532                         iops_str[ddir] = num2str(je->iops[ddir], 4, 1, 0, 0);
 533                 }
 534
 535                 left = sizeof(output) - (p - output) - 1;
 536
 537                 l = snprintf(p, left, ": [%s] [%s] [%s/%s/%s /s] [%s/%s/%s iops] [eta %s]",
 538                                 je->run_str, perc_str, rate_str[DDIR_READ],
 539                                 rate_str[DDIR_WRITE], rate_str[DDIR_TRIM],
 540                                 iops_str[DDIR_READ], iops_str[DDIR_WRITE],
 541                                 iops_str[DDIR_TRIM], eta_str);
 542                 p += l;
 543                 if (l >= 0 && l < linelen_last)
 544                         p += sprintf(p, "%*s", linelen_last - l, "");
 545                 linelen_last = l;
 546
 547                 for (ddir = DDIR_READ; ddir < DDIR_RWDIR_CNT; ddir++) {
 548                         free(rate_str[ddir]);
 549                         free(iops_str[ddir]);
 550                 }
 551         }
 552         p += sprintf(p, "\r");
 553
 554         printf("%s", output);
 555
 556         if (!eta_new_line_init) {
 557                 fio_gettime(&disp_eta_new_line, NULL);
 558                 eta_new_line_init = 1;
 559         } else if (eta_new_line &&
 560                    mtime_since_now(&disp_eta_new_line) > eta_new_line * 1000) {
 561                 fio_gettime(&disp_eta_new_line, NULL);
 562                 eta_new_line_pending = 1;
 563         }
 564
 565         fflush(stdout);
 566 }
 567
 568 struct jobs_eta *get_jobs_eta(int force, size_t *size)
 569 {
 570         struct jobs_eta *je;
 571
 572         if (!thread_number)
 573                 return NULL;
 574
 575         *size = sizeof(*je) + THREAD_RUNSTR_SZ;
 576         je = malloc(*size);
 577         memset(je, 0, *size);
 578
 579         if (!calc_thread_status(je, 0)) {
 580                 free(je);
 581                 return NULL;
 582         }
 583
 584         *size = sizeof(*je) + strlen((char *) je->run_str) + 1;
 585         return je;
 586 }
 587
 588 void print_thread_status(void)
 589 {
 590         struct jobs_eta *je;
 591         size_t size;
 592
 593         je = get_jobs_eta(0, &size);
 594         if (je)
 595                 display_thread_status(je);
 596
 597         free(je);
 598 }
 599
 600 void print_status_init(int thr_number)
 601 {
 602         __run_str[thr_number] = 'P';
 603         update_condensed_str(__run_str, run_str);
 604 }