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 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 = ddir_rw_sum(td->io_bytes);
 159                 perc = (double) bytes_done / (double) bytes_total;
 160                 if (perc > 1.0)
 161                         perc = 1.0;
 162
 163                 if (td->o.time_based) {
 164                         perc_t = (double) elapsed / (double) td->o.timeout;
 165                         if (perc_t < perc)
 166                                 perc = perc_t;
 167                 }
 168
 169                 eta_sec = (unsigned long) (elapsed * (1.0 / perc)) - elapsed;
 170
 171                 if (td->o.timeout &&
 172                     eta_sec > (td->o.timeout + done_secs - elapsed))
 173                         eta_sec = td->o.timeout + done_secs - elapsed;
 174         } else if (td->runstate == TD_NOT_CREATED || td->runstate == TD_CREATED
 175                         || td->runstate == TD_INITIALIZED
 176                         || td->runstate == TD_RAMP
 177                         || td->runstate == TD_PRE_READING) {
 178                 int t_eta = 0, r_eta = 0;
 179                 unsigned long long rate_bytes;
 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                 rate_bytes = ddir_rw_sum(td->o.rate);
 199                 if (rate_bytes) {
 200                         r_eta = (bytes_total / 1024) / rate_bytes;
 201                         r_eta += td->o.start_delay;
 202                 }
 203
 204                 if (r_eta && t_eta)
 205                         eta_sec = min(r_eta, t_eta);
 206                 else if (r_eta)
 207                         eta_sec = r_eta;
 208                 else if (t_eta)
 209                         eta_sec = t_eta;
 210                 else
 211                         eta_sec = 0;
 212         } else {
 213                 /*
 214                  * thread is already done or waiting for fsync
 215                  */
 216                 eta_sec = 0;
 217         }
 218
 219         return eta_sec;
 220 }
 221
 222 static void calc_rate(unsigned long mtime, unsigned long long *io_bytes,
 223                       unsigned long long *prev_io_bytes, unsigned int *rate)
 224 {
 225         int i;
 226
 227         for (i = 0; i < DDIR_RWDIR_CNT; i++) {
 228                 unsigned long long diff;
 229
 230                 diff = io_bytes[i] - prev_io_bytes[i];
 231                 rate[i] = ((1000 * diff) / mtime) / 1024;
 232
 233                 prev_io_bytes[i] = io_bytes[i];
 234         }
 235 }
 236
 237 static void calc_iops(unsigned long mtime, unsigned long long *io_iops,
 238                       unsigned long long *prev_io_iops, unsigned int *iops)
 239 {
 240         int i;
 241
 242         for (i = 0; i < DDIR_RWDIR_CNT; i++) {
 243                 iops[i] = ((io_iops[i] - prev_io_iops[i]) * 1000) / mtime;
 244                 prev_io_iops[i] = io_iops[i];
 245         }
 246 }
 247
 248 /*
 249  * Print status of the jobs we know about. This includes rate estimates,
 250  * ETA, thread state, etc.
 251  */
 252 int calc_thread_status(struct jobs_eta *je, int force)
 253 {
 254         struct thread_data *td;
 255         int i;
 256         unsigned long rate_time, disp_time, bw_avg_time, *eta_secs;
 257         unsigned long long io_bytes[DDIR_RWDIR_CNT];
 258         unsigned long long io_iops[DDIR_RWDIR_CNT];
 259         struct timeval now;
 260
 261         static unsigned long long rate_io_bytes[DDIR_RWDIR_CNT];
 262         static unsigned long long disp_io_bytes[DDIR_RWDIR_CNT];
 263         static unsigned long long disp_io_iops[DDIR_RWDIR_CNT];
 264         static struct timeval rate_prev_time, disp_prev_time;
 265
 266         if (!force) {
 267                 if (output_format != FIO_OUTPUT_NORMAL)
 268                         return 0;
 269                 if (temp_stall_ts || 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 (!ddir_rw_sum(rate_io_bytes))
 277                 fill_start_time(&rate_prev_time);
 278         if (!ddir_rw_sum(disp_io_bytes))
 279                 fill_start_time(&disp_prev_time);
 280
 281         eta_secs = malloc(thread_number * sizeof(unsigned long));
 282         memset(eta_secs, 0, thread_number * sizeof(unsigned long));
 283
 284         je->elapsed_sec = (mtime_since_genesis() + 999) / 1000;
 285
 286         io_bytes[DDIR_READ] = io_bytes[DDIR_WRITE] = io_bytes[DDIR_TRIM] = 0;
 287         io_iops[DDIR_READ] = io_iops[DDIR_WRITE] = io_iops[DDIR_TRIM] = 0;
 288         bw_avg_time = ULONG_MAX;
 289         for_each_td(td, i) {
 290                 if (is_power_of_2(td->o.kb_base))
 291                         je->is_pow2 = 1;
 292                 if (td->o.bw_avg_time < bw_avg_time)
 293                         bw_avg_time = td->o.bw_avg_time;
 294                 if (td->runstate == TD_RUNNING || td->runstate == TD_VERIFYING
 295                     || td->runstate == TD_FSYNCING
 296                     || td->runstate == TD_PRE_READING) {
 297                         je->nr_running++;
 298                         if (td_read(td)) {
 299                                 je->t_rate[0] += td->o.rate[DDIR_READ];
 300                                 je->t_iops[0] += td->o.rate_iops[DDIR_READ];
 301                                 je->m_rate[0] += td->o.ratemin[DDIR_READ];
 302                                 je->m_iops[0] += td->o.rate_iops_min[DDIR_READ];
 303                         }
 304                         if (td_write(td)) {
 305                                 je->t_rate[1] += td->o.rate[DDIR_WRITE];
 306                                 je->t_iops[1] += td->o.rate_iops[DDIR_WRITE];
 307                                 je->m_rate[1] += td->o.ratemin[DDIR_WRITE];
 308                                 je->m_iops[1] += td->o.rate_iops_min[DDIR_WRITE];
 309                         }
 310                         if (td_trim(td)) {
 311                                 je->t_rate[2] += td->o.rate[DDIR_TRIM];
 312                                 je->t_iops[2] += td->o.rate_iops[DDIR_TRIM];
 313                                 je->m_rate[2] += td->o.ratemin[DDIR_TRIM];
 314                                 je->m_iops[2] += td->o.rate_iops_min[DDIR_TRIM];
 315                         }
 316
 317                         je->files_open += td->nr_open_files;
 318                 } else if (td->runstate == TD_RAMP) {
 319                         je->nr_running++;
 320                         je->nr_ramp++;
 321                 } else if (td->runstate < TD_RUNNING)
 322                         je->nr_pending++;
 323
 324                 if (je->elapsed_sec >= 3)
 325                         eta_secs[i] = thread_eta(td);
 326                 else
 327                         eta_secs[i] = INT_MAX;
 328
 329                 check_str_update(td);
 330
 331                 if (td->runstate > TD_RAMP) {
 332                         int ddir;
 333                         for (ddir = DDIR_READ; ddir < DDIR_RWDIR_CNT; ddir++) {
 334                                 io_bytes[ddir] += td->io_bytes[ddir];
 335                                 io_iops[ddir] += td->io_blocks[ddir];
 336                         }
 337                 }
 338         }
 339
 340         if (exitall_on_terminate)
 341                 je->eta_sec = INT_MAX;
 342         else
 343                 je->eta_sec = 0;
 344
 345         for_each_td(td, i) {
 346                 if (exitall_on_terminate) {
 347                         if (eta_secs[i] < je->eta_sec)
 348                                 je->eta_sec = eta_secs[i];
 349                 } else {
 350                         if (eta_secs[i] > je->eta_sec)
 351                                 je->eta_sec = eta_secs[i];
 352                 }
 353         }
 354
 355         free(eta_secs);
 356
 357         fio_gettime(&now, NULL);
 358         rate_time = mtime_since(&rate_prev_time, &now);
 359
 360         if (write_bw_log && rate_time > bw_avg_time && !in_ramp_time(td)) {
 361                 calc_rate(rate_time, io_bytes, rate_io_bytes, je->rate);
 362                 memcpy(&rate_prev_time, &now, sizeof(now));
 363                 add_agg_sample(je->rate[DDIR_READ], DDIR_READ, 0);
 364                 add_agg_sample(je->rate[DDIR_WRITE], DDIR_WRITE, 0);
 365                 add_agg_sample(je->rate[DDIR_TRIM], DDIR_TRIM, 0);
 366         }
 367
 368         disp_time = mtime_since(&disp_prev_time, &now);
 369
 370         /*
 371          * Allow a little slack, the target is to print it every 1000 msecs
 372          */
 373         if (!force && disp_time < 900)
 374                 return 0;
 375
 376         calc_rate(disp_time, io_bytes, disp_io_bytes, je->rate);
 377         calc_iops(disp_time, io_iops, disp_io_iops, je->iops);
 378
 379         memcpy(&disp_prev_time, &now, sizeof(now));
 380
 381         if (!force && !je->nr_running && !je->nr_pending)
 382                 return 0;
 383
 384         je->nr_threads = thread_number;
 385         memcpy(je->run_str, run_str, thread_number * sizeof(char));
 386
 387         return 1;
 388 }
 389
 390 void display_thread_status(struct jobs_eta *je)
 391 {
 392         static int linelen_last;
 393         static int eta_good;
 394         char output[REAL_MAX_JOBS + 512], *p = output;
 395         char eta_str[128];
 396         double perc = 0.0;
 397
 398         if (je->eta_sec != INT_MAX && je->elapsed_sec) {
 399                 perc = (double) je->elapsed_sec / (double) (je->elapsed_sec + je->eta_sec);
 400                 eta_to_str(eta_str, je->eta_sec);
 401         }
 402
 403         p += sprintf(p, "Jobs: %d (f=%d)", je->nr_running, je->files_open);
 404         if (je->m_rate[0] || je->m_rate[1] || je->t_rate[0] || je->t_rate[1]) {
 405                 char *tr, *mr;
 406
 407                 mr = num2str(je->m_rate[0] + je->m_rate[1], 4, 0, je->is_pow2);
 408                 tr = num2str(je->t_rate[0] + je->t_rate[1], 4, 0, je->is_pow2);
 409                 p += sprintf(p, ", CR=%s/%s KB/s", tr, mr);
 410                 free(tr);
 411                 free(mr);
 412         } else if (je->m_iops[0] || je->m_iops[1] || je->t_iops[0] || je->t_iops[1]) {
 413                 p += sprintf(p, ", CR=%d/%d IOPS",
 414                                         je->t_iops[0] + je->t_iops[1],
 415                                         je->m_iops[0] + je->m_iops[1]);
 416         }
 417         if (je->eta_sec != INT_MAX && je->nr_running) {
 418                 char perc_str[32];
 419                 char *iops_str[DDIR_RWDIR_CNT];
 420                 char *rate_str[DDIR_RWDIR_CNT];
 421                 size_t left;
 422                 int l;
 423                 int ddir;
 424
 425                 if ((!je->eta_sec && !eta_good) || je->nr_ramp == je->nr_running)
 426                         strcpy(perc_str, "-.-% done");
 427                 else {
 428                         eta_good = 1;
 429                         perc *= 100.0;
 430                         sprintf(perc_str, "%3.1f%% done", perc);
 431                 }
 432
 433                 for (ddir = DDIR_READ; ddir < DDIR_RWDIR_CNT; ddir++) {
 434                         rate_str[ddir] = num2str(je->rate[ddir], 5,
 435                                                 1024, je->is_pow2);
 436                         iops_str[ddir] = num2str(je->iops[ddir], 4, 1, 0);
 437                 }
 438
 439                 left = sizeof(output) - (p - output) - 1;
 440
 441                 l = snprintf(p, left, ": [%s] [%s] [%s/%s/%s /s] [%s/%s/%s iops] [eta %s]",
 442                                 je->run_str, perc_str, rate_str[DDIR_READ],
 443                                 rate_str[DDIR_WRITE], rate_str[DDIR_TRIM],
 444                                 iops_str[DDIR_READ], iops_str[DDIR_WRITE],
 445                                 iops_str[DDIR_TRIM], eta_str);
 446                 p += l;
 447                 if (l >= 0 && l < linelen_last)
 448                         p += sprintf(p, "%*s", linelen_last - l, "");
 449                 linelen_last = l;
 450
 451                 for (ddir = DDIR_READ; ddir < DDIR_RWDIR_CNT; ddir++) {
 452                         free(rate_str[ddir]);
 453                         free(iops_str[ddir]);
 454                 }
 455         }
 456         p += sprintf(p, "\r");
 457
 458         printf("%s", output);
 459         fflush(stdout);
 460 }
 461
 462 void print_thread_status(void)
 463 {
 464         struct jobs_eta *je;
 465         size_t size;
 466
 467         if (!thread_number)
 468                 return;
 469
 470         size = sizeof(*je) + thread_number * sizeof(char) + 1;
 471         je = malloc(size);
 472         memset(je, 0, size);
 473
 474         if (calc_thread_status(je, 0))
 475                 display_thread_status(je);
 476
 477         free(je);
 478 }
 479
 480 void print_status_init(int thr_number)
 481 {
 482         run_str[thr_number] = 'P';
 483 }