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