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