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