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
  12 /*
  13  * Worst level condensing would be 1:4, so allow enough room for that
  14  */
  15 static char run_str[(4 * REAL_MAX_JOBS) + 1];
  16
  17 static void update_condensed_str(char *run_str, char *run_str_condensed)
  18 {
  19         int i, ci, last, nr;
  20         size_t len;
  21
  22         len = strlen(run_str);
  23         if (!len)
  24                 return;
  25
  26         last = 0;
  27         nr = 0;
  28         ci = 0;
  29         for (i = 0; i < len; i++) {
  30                 if (!last) {
  31 new:
  32                         run_str_condensed[ci] = run_str[i];
  33                         last = run_str[i];
  34                         nr = 1;
  35                         ci++;
  36                 } else if (last == run_str[i]) {
  37                         nr++;
  38                 } else {
  39                         int elen;
  40
  41                         elen = sprintf(&run_str_condensed[ci], "(%u),", nr);
  42                         ci += elen;
  43                         goto new;
  44                 }
  45         }
  46
  47         if (nr)
  48                 sprintf(&run_str_condensed[ci], "(%u)", nr);
  49 }
  50
  51
  52 /*
  53  * Sets the status of the 'td' in the printed status map.
  54  */
  55 static void check_str_update(struct thread_data *td)
  56 {
  57         char c = __run_str[td->thread_number - 1];
  58
  59         switch (td->runstate) {
  60         case TD_REAPED:
  61                 if (td->error)
  62                         c = 'X';
  63                 else if (td->sig)
  64                         c = 'K';
  65                 else
  66                         c = '_';
  67                 break;
  68         case TD_EXITED:
  69                 c = 'E';
  70                 break;
  71         case TD_RAMP:
  72                 c = '/';
  73                 break;
  74         case TD_RUNNING:
  75                 if (td_rw(td)) {
  76                         if (td_random(td)) {
  77                                 if (td->o.rwmix[DDIR_READ] == 100)
  78                                         c = 'r';
  79                                 else if (td->o.rwmix[DDIR_WRITE] == 100)
  80                                         c = 'w';
  81                                 else
  82                                         c = 'm';
  83                         } else {
  84                                 if (td->o.rwmix[DDIR_READ] == 100)
  85                                         c = 'R';
  86                                 else if (td->o.rwmix[DDIR_WRITE] == 100)
  87                                         c = 'W';
  88                                 else
  89                                         c = 'M';
  90                         }
  91                 } else if (td_read(td)) {
  92                         if (td_random(td))
  93                                 c = 'r';
  94                         else
  95                                 c = 'R';
  96                 } else if (td_write(td)) {
  97                         if (td_random(td))
  98                                 c = 'w';
  99                         else
 100                                 c = 'W';
 101                 } else {
 102                         if (td_random(td))
 103                                 c = 'd';
 104                         else
 105                                 c = 'D';
 106                 }
 107                 break;
 108         case TD_PRE_READING:
 109                 c = 'p';
 110                 break;
 111         case TD_VERIFYING:
 112                 c = 'V';
 113                 break;
 114         case TD_FSYNCING:
 115                 c = 'F';
 116                 break;
 117         case TD_FINISHING:
 118                 c = 'f';
 119                 break;
 120         case TD_CREATED:
 121                 c = 'C';
 122                 break;
 123         case TD_INITIALIZED:
 124         case TD_SETTING_UP:
 125                 c = 'I';
 126                 break;
 127         case TD_NOT_CREATED:
 128                 c = 'P';
 129                 break;
 130         default:
 131                 log_err("state %d\n", td->runstate);
 132         }
 133
 134         __run_str[td->thread_number - 1] = c;
 135         update_condensed_str(__run_str, run_str);
 136 }
 137
 138 /*
 139  * Convert seconds to a printable string.
 140  */
 141 void eta_to_str(char *str, unsigned long eta_sec)
 142 {
 143         unsigned int d, h, m, s;
 144         int disp_hour = 0;
 145
 146         s = eta_sec % 60;
 147         eta_sec /= 60;
 148         m = eta_sec % 60;
 149         eta_sec /= 60;
 150         h = eta_sec % 24;
 151         eta_sec /= 24;
 152         d = eta_sec;
 153
 154         if (d) {
 155                 disp_hour = 1;
 156                 str += sprintf(str, "%02ud:", d);
 157         }
 158
 159         if (h || disp_hour)
 160                 str += sprintf(str, "%02uh:", h);
 161
 162         str += sprintf(str, "%02um:", m);
 163         str += sprintf(str, "%02us", s);
 164 }
 165
 166 /*
 167  * Best effort calculation of the estimated pending runtime of a job.
 168  */
 169 static int thread_eta(struct thread_data *td)
 170 {
 171         unsigned long long bytes_total, bytes_done;
 172         unsigned long eta_sec = 0;
 173         unsigned long elapsed;
 174         uint64_t timeout;
 175
 176         elapsed = (mtime_since_now(&td->epoch) + 999) / 1000;
 177         timeout = td->o.timeout / 1000000UL;
 178
 179         bytes_total = td->total_io_size;
 180
 181         if (td->o.fill_device && td->o.size  == -1ULL) {
 182                 if (!td->fill_device_size || td->fill_device_size == -1ULL)
 183                         return 0;
 184
 185                 bytes_total = td->fill_device_size;
 186         }
 187
 188         if (td->o.zone_size && td->o.zone_skip && bytes_total) {
 189                 unsigned int nr_zones;
 190                 uint64_t zone_bytes;
 191
 192                 zone_bytes = bytes_total + td->o.zone_size + td->o.zone_skip;
 193                 nr_zones = (zone_bytes - 1) / (td->o.zone_size + td->o.zone_skip);
 194                 bytes_total -= nr_zones * td->o.zone_skip;
 195         }
 196
 197         /*
 198          * if writing and verifying afterwards, bytes_total will be twice the
 199          * size. In a mixed workload, verify phase will be the size of the
 200          * first stage writes.
 201          */
 202         if (td->o.do_verify && td->o.verify && td_write(td)) {
 203                 if (td_rw(td)) {
 204                         unsigned int perc = 50;
 205
 206                         if (td->o.rwmix[DDIR_WRITE])
 207                                 perc = td->o.rwmix[DDIR_WRITE];
 208
 209                         bytes_total += (bytes_total * perc) / 100;
 210                 } else
 211                         bytes_total <<= 1;
 212         }
 213
 214         if (td->runstate == TD_RUNNING || td->runstate == TD_VERIFYING) {
 215                 double perc, perc_t;
 216
 217                 bytes_done = ddir_rw_sum(td->io_bytes);
 218
 219                 if (bytes_total) {
 220                         perc = (double) bytes_done / (double) bytes_total;
 221                         if (perc > 1.0)
 222                                 perc = 1.0;
 223                 } else
 224                         perc = 0.0;
 225
 226                 if (td->o.time_based) {
 227                         if (timeout) {
 228                                 perc_t = (double) elapsed / (double) timeout;
 229                                 if (perc_t < perc)
 230                                         perc = perc_t;
 231                         } else {
 232                                 /*
 233                                  * Will never hit, we can't have time_based
 234                                  * without a timeout set.
 235                                  */
 236                                 perc = 0.0;
 237                         }
 238                 }
 239
 240                 eta_sec = (unsigned long) (elapsed * (1.0 / perc)) - elapsed;
 241
 242                 if (td->o.timeout &&
 243                     eta_sec > (timeout + done_secs - elapsed))
 244                         eta_sec = timeout + done_secs - elapsed;
 245         } else if (td->runstate == TD_NOT_CREATED || td->runstate == TD_CREATED
 246                         || td->runstate == TD_INITIALIZED
 247                         || td->runstate == TD_SETTING_UP
 248                         || td->runstate == TD_RAMP
 249                         || td->runstate == TD_PRE_READING) {
 250                 int t_eta = 0, r_eta = 0;
 251                 unsigned long long rate_bytes;
 252
 253                 /*
 254                  * We can only guess - assume it'll run the full timeout
 255                  * if given, otherwise assume it'll run at the specified rate.
 256                  */
 257                 if (td->o.timeout) {
 258                         uint64_t timeout = td->o.timeout;
 259                         uint64_t start_delay = td->o.start_delay;
 260                         uint64_t ramp_time = td->o.ramp_time;
 261
 262                         t_eta = timeout + start_delay + ramp_time;
 263                         t_eta /= 1000000ULL;
 264
 265                         if (in_ramp_time(td)) {
 266                                 unsigned long ramp_left;
 267
 268                                 ramp_left = mtime_since_now(&td->epoch);
 269                                 ramp_left = (ramp_left + 999) / 1000;
 270                                 if (ramp_left <= t_eta)
 271                                         t_eta -= ramp_left;
 272                         }
 273                 }
 274                 rate_bytes = ddir_rw_sum(td->o.rate);
 275                 if (rate_bytes) {
 276                         r_eta = (bytes_total / 1024) / rate_bytes;
 277                         r_eta += (td->o.start_delay / 1000000ULL);
 278                 }
 279
 280                 if (r_eta && t_eta)
 281                         eta_sec = min(r_eta, t_eta);
 282                 else if (r_eta)
 283                         eta_sec = r_eta;
 284                 else if (t_eta)
 285                         eta_sec = t_eta;
 286                 else
 287                         eta_sec = 0;
 288         } else {
 289                 /*
 290                  * thread is already done or waiting for fsync
 291                  */
 292                 eta_sec = 0;
 293         }
 294
 295         return eta_sec;
 296 }
 297
 298 static void calc_rate(int unified_rw_rep, unsigned long mtime,
 299                       unsigned long long *io_bytes,
 300                       unsigned long long *prev_io_bytes, unsigned int *rate)
 301 {
 302         int i;
 303
 304         for (i = 0; i < DDIR_RWDIR_CNT; i++) {
 305                 unsigned long long diff;
 306
 307                 diff = io_bytes[i] - prev_io_bytes[i];
 308                 if (unified_rw_rep) {
 309                         rate[i] = 0;
 310                         rate[0] += ((1000 * diff) / mtime) / 1024;
 311                 } else
 312                         rate[i] = ((1000 * diff) / mtime) / 1024;
 313
 314                 prev_io_bytes[i] = io_bytes[i];
 315         }
 316 }
 317
 318 static void calc_iops(int unified_rw_rep, unsigned long mtime,
 319                       unsigned long long *io_iops,
 320                       unsigned long long *prev_io_iops, unsigned int *iops)
 321 {
 322         int i;
 323
 324         for (i = 0; i < DDIR_RWDIR_CNT; i++) {
 325                 unsigned long long diff;
 326
 327                 diff = io_iops[i] - prev_io_iops[i];
 328                 if (unified_rw_rep) {
 329                         iops[i] = 0;
 330                         iops[0] += (diff * 1000) / mtime;
 331                 } else
 332                         iops[i] = (diff * 1000) / mtime;
 333
 334                 prev_io_iops[i] = io_iops[i];
 335         }
 336 }
 337
 338 /*
 339  * Print status of the jobs we know about. This includes rate estimates,
 340  * ETA, thread state, etc.
 341  */
 342 int calc_thread_status(struct jobs_eta *je, int force)
 343 {
 344         struct thread_data *td;
 345         int i, unified_rw_rep;
 346         unsigned long rate_time, disp_time, bw_avg_time, *eta_secs;
 347         unsigned long long io_bytes[DDIR_RWDIR_CNT];
 348         unsigned long long io_iops[DDIR_RWDIR_CNT];
 349         struct timeval now;
 350
 351         static unsigned long long rate_io_bytes[DDIR_RWDIR_CNT];
 352         static unsigned long long disp_io_bytes[DDIR_RWDIR_CNT];
 353         static unsigned long long disp_io_iops[DDIR_RWDIR_CNT];
 354         static struct timeval rate_prev_time, disp_prev_time;
 355
 356         if (!force) {
 357                 if (output_format != FIO_OUTPUT_NORMAL &&
 358                     f_out == stdout)
 359                         return 0;
 360                 if (temp_stall_ts || eta_print == FIO_ETA_NEVER)
 361                         return 0;
 362
 363                 if (!isatty(STDOUT_FILENO) && (eta_print != FIO_ETA_ALWAYS))
 364                         return 0;
 365         }
 366
 367         if (!ddir_rw_sum(rate_io_bytes))
 368                 fill_start_time(&rate_prev_time);
 369         if (!ddir_rw_sum(disp_io_bytes))
 370                 fill_start_time(&disp_prev_time);
 371
 372         eta_secs = malloc(thread_number * sizeof(unsigned long));
 373         memset(eta_secs, 0, thread_number * sizeof(unsigned long));
 374
 375         je->elapsed_sec = (mtime_since_genesis() + 999) / 1000;
 376
 377         io_bytes[DDIR_READ] = io_bytes[DDIR_WRITE] = io_bytes[DDIR_TRIM] = 0;
 378         io_iops[DDIR_READ] = io_iops[DDIR_WRITE] = io_iops[DDIR_TRIM] = 0;
 379         bw_avg_time = ULONG_MAX;
 380         unified_rw_rep = 0;
 381         for_each_td(td, i) {
 382                 unified_rw_rep += td->o.unified_rw_rep;
 383                 if (is_power_of_2(td->o.kb_base))
 384                         je->is_pow2 = 1;
 385                 je->unit_base = td->o.unit_base;
 386                 if (td->o.bw_avg_time < bw_avg_time)
 387                         bw_avg_time = td->o.bw_avg_time;
 388                 if (td->runstate == TD_RUNNING || td->runstate == TD_VERIFYING
 389                     || td->runstate == TD_FSYNCING
 390                     || td->runstate == TD_PRE_READING
 391                     || td->runstate == TD_FINISHING) {
 392                         je->nr_running++;
 393                         if (td_read(td)) {
 394                                 je->t_rate[0] += td->o.rate[DDIR_READ];
 395                                 je->t_iops[0] += td->o.rate_iops[DDIR_READ];
 396                                 je->m_rate[0] += td->o.ratemin[DDIR_READ];
 397                                 je->m_iops[0] += td->o.rate_iops_min[DDIR_READ];
 398                         }
 399                         if (td_write(td)) {
 400                                 je->t_rate[1] += td->o.rate[DDIR_WRITE];
 401                                 je->t_iops[1] += td->o.rate_iops[DDIR_WRITE];
 402                                 je->m_rate[1] += td->o.ratemin[DDIR_WRITE];
 403                                 je->m_iops[1] += td->o.rate_iops_min[DDIR_WRITE];
 404                         }
 405                         if (td_trim(td)) {
 406                                 je->t_rate[2] += td->o.rate[DDIR_TRIM];
 407                                 je->t_iops[2] += td->o.rate_iops[DDIR_TRIM];
 408                                 je->m_rate[2] += td->o.ratemin[DDIR_TRIM];
 409                                 je->m_iops[2] += td->o.rate_iops_min[DDIR_TRIM];
 410                         }
 411
 412                         je->files_open += td->nr_open_files;
 413                 } else if (td->runstate == TD_RAMP) {
 414                         je->nr_running++;
 415                         je->nr_ramp++;
 416                 } else if (td->runstate == TD_SETTING_UP) {
 417                         je->nr_running++;
 418                         je->nr_setting_up++;
 419                 } else if (td->runstate < TD_RUNNING)
 420                         je->nr_pending++;
 421
 422                 if (je->elapsed_sec >= 3)
 423                         eta_secs[i] = thread_eta(td);
 424                 else
 425                         eta_secs[i] = INT_MAX;
 426
 427                 check_str_update(td);
 428
 429                 if (td->runstate > TD_SETTING_UP) {
 430                         int ddir;
 431
 432                         for (ddir = DDIR_READ; ddir < DDIR_RWDIR_CNT; ddir++) {
 433                                 if (unified_rw_rep) {
 434                                         io_bytes[0] += td->io_bytes[ddir];
 435                                         io_iops[0] += td->io_blocks[ddir];
 436                                 } else {
 437                                         io_bytes[ddir] += td->io_bytes[ddir];
 438                                         io_iops[ddir] += td->io_blocks[ddir];
 439                                 }
 440                         }
 441                 }
 442         }
 443
 444         if (exitall_on_terminate)
 445                 je->eta_sec = INT_MAX;
 446         else
 447                 je->eta_sec = 0;
 448
 449         for_each_td(td, i) {
 450                 if (exitall_on_terminate) {
 451                         if (eta_secs[i] < je->eta_sec)
 452                                 je->eta_sec = eta_secs[i];
 453                 } else {
 454                         if (eta_secs[i] > je->eta_sec)
 455                                 je->eta_sec = eta_secs[i];
 456                 }
 457         }
 458
 459         free(eta_secs);
 460
 461         fio_gettime(&now, NULL);
 462         rate_time = mtime_since(&rate_prev_time, &now);
 463
 464         if (write_bw_log && rate_time > bw_avg_time && !in_ramp_time(td)) {
 465                 calc_rate(unified_rw_rep, rate_time, io_bytes, rate_io_bytes,
 466                                 je->rate);
 467                 memcpy(&rate_prev_time, &now, sizeof(now));
 468                 add_agg_sample(je->rate[DDIR_READ], DDIR_READ, 0);
 469                 add_agg_sample(je->rate[DDIR_WRITE], DDIR_WRITE, 0);
 470                 add_agg_sample(je->rate[DDIR_TRIM], DDIR_TRIM, 0);
 471         }
 472
 473         disp_time = mtime_since(&disp_prev_time, &now);
 474
 475         /*
 476          * Allow a little slack, the target is to print it every 1000 msecs
 477          */
 478         if (!force && disp_time < 900)
 479                 return 0;
 480
 481         calc_rate(unified_rw_rep, disp_time, io_bytes, disp_io_bytes, je->rate);
 482         calc_iops(unified_rw_rep, disp_time, io_iops, disp_io_iops, je->iops);
 483
 484         memcpy(&disp_prev_time, &now, sizeof(now));
 485
 486         if (!force && !je->nr_running && !je->nr_pending)
 487                 return 0;
 488
 489         je->nr_threads = thread_number;
 490         memcpy(je->run_str, run_str, thread_number * sizeof(char));
 491         return 1;
 492 }
 493
 494 void display_thread_status(struct jobs_eta *je)
 495 {
 496         static struct timeval disp_eta_new_line;
 497         static int eta_new_line_init, eta_new_line_pending;
 498         static int linelen_last;
 499         static int eta_good;
 500         char output[REAL_MAX_JOBS + 512], *p = output;
 501         char eta_str[128];
 502         double perc = 0.0;
 503
 504         if (je->eta_sec != INT_MAX && je->elapsed_sec) {
 505                 perc = (double) je->elapsed_sec / (double) (je->elapsed_sec + je->eta_sec);
 506                 eta_to_str(eta_str, je->eta_sec);
 507         }
 508
 509         if (eta_new_line_pending) {
 510                 eta_new_line_pending = 0;
 511                 p += sprintf(p, "\n");
 512         }
 513
 514         p += sprintf(p, "Jobs: %d (f=%d)", je->nr_running, je->files_open);
 515         if (je->m_rate[0] || je->m_rate[1] || je->t_rate[0] || je->t_rate[1]) {
 516                 char *tr, *mr;
 517
 518                 mr = num2str(je->m_rate[0] + je->m_rate[1], 4, 0, je->is_pow2, 8);
 519                 tr = num2str(je->t_rate[0] + je->t_rate[1], 4, 0, je->is_pow2, 8);
 520                 p += sprintf(p, ", CR=%s/%s KB/s", tr, mr);
 521                 free(tr);
 522                 free(mr);
 523         } else if (je->m_iops[0] || je->m_iops[1] || je->t_iops[0] || je->t_iops[1]) {
 524                 p += sprintf(p, ", CR=%d/%d IOPS",
 525                                         je->t_iops[0] + je->t_iops[1],
 526                                         je->m_iops[0] + je->m_iops[1]);
 527         }
 528         if (je->eta_sec != INT_MAX && je->nr_running) {
 529                 char perc_str[32];
 530                 char *iops_str[DDIR_RWDIR_CNT];
 531                 char *rate_str[DDIR_RWDIR_CNT];
 532                 size_t left;
 533                 int l;
 534                 int ddir;
 535
 536                 if ((!je->eta_sec && !eta_good) || je->nr_ramp == je->nr_running)
 537                         strcpy(perc_str, "-.-% done");
 538                 else {
 539                         double mult = 100.0;
 540
 541                         if (je->nr_setting_up && je->nr_running)
 542                                 mult *= (1.0 - (double) je->nr_setting_up / (double) je->nr_running);
 543
 544                         eta_good = 1;
 545                         perc *= mult;
 546                         sprintf(perc_str, "%3.1f%% done", perc);
 547                 }
 548
 549                 for (ddir = DDIR_READ; ddir < DDIR_RWDIR_CNT; ddir++) {
 550                         rate_str[ddir] = num2str(je->rate[ddir], 5,
 551                                                 1024, je->is_pow2, je->unit_base);
 552                         iops_str[ddir] = num2str(je->iops[ddir], 4, 1, 0, 0);
 553                 }
 554
 555                 left = sizeof(output) - (p - output) - 1;
 556
 557                 l = snprintf(p, left, ": [%s] [%s] [%s/%s/%s /s] [%s/%s/%s iops] [eta %s]",
 558                                 je->run_str, perc_str, rate_str[DDIR_READ],
 559                                 rate_str[DDIR_WRITE], rate_str[DDIR_TRIM],
 560                                 iops_str[DDIR_READ], iops_str[DDIR_WRITE],
 561                                 iops_str[DDIR_TRIM], eta_str);
 562                 p += l;
 563                 if (l >= 0 && l < linelen_last)
 564                         p += sprintf(p, "%*s", linelen_last - l, "");
 565                 linelen_last = l;
 566
 567                 for (ddir = DDIR_READ; ddir < DDIR_RWDIR_CNT; ddir++) {
 568                         free(rate_str[ddir]);
 569                         free(iops_str[ddir]);
 570                 }
 571         }
 572         p += sprintf(p, "\r");
 573
 574         printf("%s", output);
 575
 576         if (!eta_new_line_init) {
 577                 fio_gettime(&disp_eta_new_line, NULL);
 578                 eta_new_line_init = 1;
 579         } else if (eta_new_line &&
 580                    mtime_since_now(&disp_eta_new_line) > eta_new_line * 1000) {
 581                 fio_gettime(&disp_eta_new_line, NULL);
 582                 eta_new_line_pending = 1;
 583         }
 584
 585         fflush(stdout);
 586 }
 587
 588 void print_thread_status(void)
 589 {
 590         struct jobs_eta *je;
 591         size_t size;
 592
 593         if (!thread_number)
 594                 return;
 595
 596         size = sizeof(*je) + thread_number * sizeof(char) + 1;
 597         je = malloc(size);
 598         memset(je, 0, size);
 599
 600         if (calc_thread_status(je, 0))
 601                 display_thread_status(je);
 602
 603         free(je);
 604 }
 605
 606 void print_status_init(int thr_number)
 607 {
 608         __run_str[thr_number] = 'P';
 609         update_condensed_str(__run_str, run_str);
 610 }