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 #include "lib/pow2.h"
  10
  11 static char __run_str[REAL_MAX_JOBS + 1];
  12 static char run_str[__THREAD_RUNSTR_SZ(REAL_MAX_JOBS)];
  13
  14 static void update_condensed_str(char *rstr, char *run_str_condensed)
  15 {
  16         if (*rstr) {
  17                 while (*rstr) {
  18                         int nr = 1;
  19
  20                         *run_str_condensed++ = *rstr++;
  21                         while (*(rstr - 1) == *rstr) {
  22                                 rstr++;
  23                                 nr++;
  24                         }
  25                         run_str_condensed += sprintf(run_str_condensed, "(%u),", nr);
  26                 }
  27                 run_str_condensed--;
  28         }
  29         *run_str_condensed = '\0';
  30 }
  31
  32 /*
  33  * Sets the status of the 'td' in the printed status map.
  34  */
  35 static void check_str_update(struct thread_data *td)
  36 {
  37         char c = __run_str[td->thread_number - 1];
  38
  39         switch (td->runstate) {
  40         case TD_REAPED:
  41                 if (td->error)
  42                         c = 'X';
  43                 else if (td->sig)
  44                         c = 'K';
  45                 else
  46                         c = '_';
  47                 break;
  48         case TD_EXITED:
  49                 c = 'E';
  50                 break;
  51         case TD_RAMP:
  52                 c = '/';
  53                 break;
  54         case TD_RUNNING:
  55                 if (td_rw(td)) {
  56                         if (td_random(td)) {
  57                                 if (td->o.rwmix[DDIR_READ] == 100)
  58                                         c = 'r';
  59                                 else if (td->o.rwmix[DDIR_WRITE] == 100)
  60                                         c = 'w';
  61                                 else
  62                                         c = 'm';
  63                         } else {
  64                                 if (td->o.rwmix[DDIR_READ] == 100)
  65                                         c = 'R';
  66                                 else if (td->o.rwmix[DDIR_WRITE] == 100)
  67                                         c = 'W';
  68                                 else
  69                                         c = 'M';
  70                         }
  71                 } else if (td_read(td)) {
  72                         if (td_random(td))
  73                                 c = 'r';
  74                         else
  75                                 c = 'R';
  76                 } else if (td_write(td)) {
  77                         if (td_random(td))
  78                                 c = 'w';
  79                         else
  80                                 c = 'W';
  81                 } else {
  82                         if (td_random(td))
  83                                 c = 'd';
  84                         else
  85                                 c = 'D';
  86                 }
  87                 break;
  88         case TD_PRE_READING:
  89                 c = 'p';
  90                 break;
  91         case TD_VERIFYING:
  92                 c = 'V';
  93                 break;
  94         case TD_FSYNCING:
  95                 c = 'F';
  96                 break;
  97         case TD_FINISHING:
  98                 c = 'f';
  99                 break;
 100         case TD_CREATED:
 101                 c = 'C';
 102                 break;
 103         case TD_INITIALIZED:
 104         case TD_SETTING_UP:
 105                 c = 'I';
 106                 break;
 107         case TD_NOT_CREATED:
 108                 c = 'P';
 109                 break;
 110         default:
 111                 log_err("state %d\n", td->runstate);
 112         }
 113
 114         __run_str[td->thread_number - 1] = c;
 115         update_condensed_str(__run_str, run_str);
 116 }
 117
 118 /*
 119  * Convert seconds to a printable string.
 120  */
 121 void eta_to_str(char *str, unsigned long eta_sec)
 122 {
 123         unsigned int d, h, m, s;
 124         int disp_hour = 0;
 125
 126         s = eta_sec % 60;
 127         eta_sec /= 60;
 128         m = eta_sec % 60;
 129         eta_sec /= 60;
 130         h = eta_sec % 24;
 131         eta_sec /= 24;
 132         d = eta_sec;
 133
 134         if (d) {
 135                 disp_hour = 1;
 136                 str += sprintf(str, "%02ud:", d);
 137         }
 138
 139         if (h || disp_hour)
 140                 str += sprintf(str, "%02uh:", h);
 141
 142         str += sprintf(str, "%02um:", m);
 143         str += sprintf(str, "%02us", s);
 144 }
 145
 146 /*
 147  * Best effort calculation of the estimated pending runtime of a job.
 148  */
 149 static int thread_eta(struct thread_data *td)
 150 {
 151         unsigned long long bytes_total, bytes_done;
 152         unsigned long eta_sec = 0;
 153         unsigned long elapsed;
 154         uint64_t timeout;
 155
 156         elapsed = (mtime_since_now(&td->epoch) + 999) / 1000;
 157         timeout = td->o.timeout / 1000000UL;
 158
 159         bytes_total = td->total_io_size;
 160
 161         if (td->o.fill_device && td->o.size  == -1ULL) {
 162                 if (!td->fill_device_size || td->fill_device_size == -1ULL)
 163                         return 0;
 164
 165                 bytes_total = td->fill_device_size;
 166         }
 167
 168         if (td->o.zone_size && td->o.zone_skip && bytes_total) {
 169                 unsigned int nr_zones;
 170                 uint64_t zone_bytes;
 171
 172                 zone_bytes = bytes_total + td->o.zone_size + td->o.zone_skip;
 173                 nr_zones = (zone_bytes - 1) / (td->o.zone_size + td->o.zone_skip);
 174                 bytes_total -= nr_zones * td->o.zone_skip;
 175         }
 176
 177         /*
 178          * if writing and verifying afterwards, bytes_total will be twice the
 179          * size. In a mixed workload, verify phase will be the size of the
 180          * first stage writes.
 181          */
 182         if (td->o.do_verify && td->o.verify && td_write(td)) {
 183                 if (td_rw(td)) {
 184                         unsigned int perc = 50;
 185
 186                         if (td->o.rwmix[DDIR_WRITE])
 187                                 perc = td->o.rwmix[DDIR_WRITE];
 188
 189                         bytes_total += (bytes_total * perc) / 100;
 190                 } else
 191                         bytes_total <<= 1;
 192         }
 193
 194         if (td->runstate == TD_RUNNING || td->runstate == TD_VERIFYING) {
 195                 double perc, perc_t;
 196
 197                 bytes_done = ddir_rw_sum(td->io_bytes);
 198
 199                 if (bytes_total) {
 200                         perc = (double) bytes_done / (double) bytes_total;
 201                         if (perc > 1.0)
 202                                 perc = 1.0;
 203                 } else
 204                         perc = 0.0;
 205
 206                 if (td->o.time_based) {
 207                         if (timeout) {
 208                                 perc_t = (double) elapsed / (double) timeout;
 209                                 if (perc_t < perc)
 210                                         perc = perc_t;
 211                         } else {
 212                                 /*
 213                                  * Will never hit, we can't have time_based
 214                                  * without a timeout set.
 215                                  */
 216                                 perc = 0.0;
 217                         }
 218                 }
 219
 220                 eta_sec = (unsigned long) (elapsed * (1.0 / perc)) - elapsed;
 221
 222                 if (td->o.timeout &&
 223                     eta_sec > (timeout + done_secs - elapsed))
 224                         eta_sec = timeout + done_secs - elapsed;
 225         } else if (td->runstate == TD_NOT_CREATED || td->runstate == TD_CREATED
 226                         || td->runstate == TD_INITIALIZED
 227                         || td->runstate == TD_SETTING_UP
 228                         || td->runstate == TD_RAMP
 229                         || td->runstate == TD_PRE_READING) {
 230                 int t_eta = 0, r_eta = 0;
 231                 unsigned long long rate_bytes;
 232
 233                 /*
 234                  * We can only guess - assume it'll run the full timeout
 235                  * if given, otherwise assume it'll run at the specified rate.
 236                  */
 237                 if (td->o.timeout) {
 238                         uint64_t __timeout = td->o.timeout;
 239                         uint64_t start_delay = td->o.start_delay;
 240                         uint64_t ramp_time = td->o.ramp_time;
 241
 242                         t_eta = __timeout + start_delay + ramp_time;
 243                         t_eta /= 1000000ULL;
 244
 245                         if (in_ramp_time(td)) {
 246                                 unsigned long ramp_left;
 247
 248                                 ramp_left = mtime_since_now(&td->epoch);
 249                                 ramp_left = (ramp_left + 999) / 1000;
 250                                 if (ramp_left <= t_eta)
 251                                         t_eta -= ramp_left;
 252                         }
 253                 }
 254                 rate_bytes = ddir_rw_sum(td->o.rate);
 255                 if (rate_bytes) {
 256                         r_eta = (bytes_total / 1024) / rate_bytes;
 257                         r_eta += (td->o.start_delay / 1000000ULL);
 258                 }
 259
 260                 if (r_eta && t_eta)
 261                         eta_sec = min(r_eta, t_eta);
 262                 else if (r_eta)
 263                         eta_sec = r_eta;
 264                 else if (t_eta)
 265                         eta_sec = t_eta;
 266                 else
 267                         eta_sec = 0;
 268         } else {
 269                 /*
 270                  * thread is already done or waiting for fsync
 271                  */
 272                 eta_sec = 0;
 273         }
 274
 275         return eta_sec;
 276 }
 277
 278 static void calc_rate(int unified_rw_rep, unsigned long mtime,
 279                       unsigned long long *io_bytes,
 280                       unsigned long long *prev_io_bytes, unsigned int *rate)
 281 {
 282         int i;
 283
 284         for (i = 0; i < DDIR_RWDIR_CNT; i++) {
 285                 unsigned long long diff;
 286
 287                 diff = io_bytes[i] - prev_io_bytes[i];
 288                 if (unified_rw_rep) {
 289                         rate[i] = 0;
 290                         rate[0] += ((1000 * diff) / mtime) / 1024;
 291                 } else
 292                         rate[i] = ((1000 * diff) / mtime) / 1024;
 293
 294                 prev_io_bytes[i] = io_bytes[i];
 295         }
 296 }
 297
 298 static void calc_iops(int unified_rw_rep, unsigned long mtime,
 299                       unsigned long long *io_iops,
 300                       unsigned long long *prev_io_iops, unsigned int *iops)
 301 {
 302         int i;
 303
 304         for (i = 0; i < DDIR_RWDIR_CNT; i++) {
 305                 unsigned long long diff;
 306
 307                 diff = io_iops[i] - prev_io_iops[i];
 308                 if (unified_rw_rep) {
 309                         iops[i] = 0;
 310                         iops[0] += (diff * 1000) / mtime;
 311                 } else
 312                         iops[i] = (diff * 1000) / mtime;
 313
 314                 prev_io_iops[i] = io_iops[i];
 315         }
 316 }
 317
 318 /*
 319  * Print status of the jobs we know about. This includes rate estimates,
 320  * ETA, thread state, etc.
 321  */
 322 int calc_thread_status(struct jobs_eta *je, int force)
 323 {
 324         struct thread_data *td;
 325         int i, unified_rw_rep;
 326         unsigned long rate_time, disp_time, bw_avg_time, *eta_secs;
 327         unsigned long long io_bytes[DDIR_RWDIR_CNT];
 328         unsigned long long io_iops[DDIR_RWDIR_CNT];
 329         struct timeval now;
 330
 331         static unsigned long long rate_io_bytes[DDIR_RWDIR_CNT];
 332         static unsigned long long disp_io_bytes[DDIR_RWDIR_CNT];
 333         static unsigned long long disp_io_iops[DDIR_RWDIR_CNT];
 334         static struct timeval rate_prev_time, disp_prev_time;
 335
 336         if (!force) {
 337                 if (output_format != FIO_OUTPUT_NORMAL &&
 338                     f_out == stdout)
 339                         return 0;
 340                 if (temp_stall_ts || eta_print == FIO_ETA_NEVER)
 341                         return 0;
 342
 343                 if (!isatty(STDOUT_FILENO) && (eta_print != FIO_ETA_ALWAYS))
 344                         return 0;
 345         }
 346
 347         if (!ddir_rw_sum(rate_io_bytes))
 348                 fill_start_time(&rate_prev_time);
 349         if (!ddir_rw_sum(disp_io_bytes))
 350                 fill_start_time(&disp_prev_time);
 351
 352         eta_secs = malloc(thread_number * sizeof(unsigned long));
 353         memset(eta_secs, 0, thread_number * sizeof(unsigned long));
 354
 355         je->elapsed_sec = (mtime_since_genesis() + 999) / 1000;
 356
 357         io_bytes[DDIR_READ] = io_bytes[DDIR_WRITE] = io_bytes[DDIR_TRIM] = 0;
 358         io_iops[DDIR_READ] = io_iops[DDIR_WRITE] = io_iops[DDIR_TRIM] = 0;
 359         bw_avg_time = ULONG_MAX;
 360         unified_rw_rep = 0;
 361         for_each_td(td, i) {
 362                 unified_rw_rep += td->o.unified_rw_rep;
 363                 if (is_power_of_2(td->o.kb_base))
 364                         je->is_pow2 = 1;
 365                 je->unit_base = td->o.unit_base;
 366                 if (td->o.bw_avg_time < bw_avg_time)
 367                         bw_avg_time = td->o.bw_avg_time;
 368                 if (td->runstate == TD_RUNNING || td->runstate == TD_VERIFYING
 369                     || td->runstate == TD_FSYNCING
 370                     || td->runstate == TD_PRE_READING
 371                     || td->runstate == TD_FINISHING) {
 372                         je->nr_running++;
 373                         if (td_read(td)) {
 374                                 je->t_rate[0] += td->o.rate[DDIR_READ];
 375                                 je->t_iops[0] += td->o.rate_iops[DDIR_READ];
 376                                 je->m_rate[0] += td->o.ratemin[DDIR_READ];
 377                                 je->m_iops[0] += td->o.rate_iops_min[DDIR_READ];
 378                         }
 379                         if (td_write(td)) {
 380                                 je->t_rate[1] += td->o.rate[DDIR_WRITE];
 381                                 je->t_iops[1] += td->o.rate_iops[DDIR_WRITE];
 382                                 je->m_rate[1] += td->o.ratemin[DDIR_WRITE];
 383                                 je->m_iops[1] += td->o.rate_iops_min[DDIR_WRITE];
 384                         }
 385                         if (td_trim(td)) {
 386                                 je->t_rate[2] += td->o.rate[DDIR_TRIM];
 387                                 je->t_iops[2] += td->o.rate_iops[DDIR_TRIM];
 388                                 je->m_rate[2] += td->o.ratemin[DDIR_TRIM];
 389                                 je->m_iops[2] += td->o.rate_iops_min[DDIR_TRIM];
 390                         }
 391
 392                         je->files_open += td->nr_open_files;
 393                 } else if (td->runstate == TD_RAMP) {
 394                         je->nr_running++;
 395                         je->nr_ramp++;
 396                 } else if (td->runstate == TD_SETTING_UP)
 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 && mtime_since_now(&disp_eta_new_line) > eta_new_line) {
 560                 fio_gettime(&disp_eta_new_line, NULL);
 561                 eta_new_line_pending = 1;
 562         }
 563
 564         fflush(stdout);
 565 }
 566
 567 struct jobs_eta *get_jobs_eta(int force, size_t *size)
 568 {
 569         struct jobs_eta *je;
 570
 571         if (!thread_number)
 572                 return NULL;
 573
 574         *size = sizeof(*je) + THREAD_RUNSTR_SZ;
 575         je = malloc(*size);
 576         if (!je)
 577                 return NULL;
 578         memset(je, 0, *size);
 579
 580         if (!calc_thread_status(je, force)) {
 581                 free(je);
 582                 return NULL;
 583         }
 584
 585         *size = sizeof(*je) + strlen((char *) je->run_str) + 1;
 586         return je;
 587 }
 588
 589 void print_thread_status(void)
 590 {
 591         struct jobs_eta *je;
 592         size_t size;
 593
 594         je = get_jobs_eta(0, &size);
 595         if (je)
 596                 display_thread_status(je);
 597
 598         free(je);
 599 }
 600
 601 void print_status_init(int thr_number)
 602 {
 603         __run_str[thr_number] = 'P';
 604         update_condensed_str(__run_str, run_str);
 605 }