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 = 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 (temp_stall_ts || terse_output || eta_print == FIO_ETA_NEVER)
 268                         return 0;
 269
 270                 if (!isatty(STDOUT_FILENO) && (eta_print != FIO_ETA_ALWAYS))
 271                         return 0;
 272         }
 273
 274         if (!ddir_rw_sum(rate_io_bytes))
 275                 fill_start_time(&rate_prev_time);
 276         if (!ddir_rw_sum(disp_io_bytes))
 277                 fill_start_time(&disp_prev_time);
 278
 279         eta_secs = malloc(thread_number * sizeof(unsigned long));
 280         memset(eta_secs, 0, thread_number * sizeof(unsigned long));
 281
 282         je->elapsed_sec = (mtime_since_genesis() + 999) / 1000;
 283
 284         io_bytes[DDIR_READ] = io_bytes[DDIR_WRITE] = io_bytes[DDIR_TRIM] = 0;
 285         io_iops[DDIR_READ] = io_iops[DDIR_WRITE] = io_iops[DDIR_TRIM] = 0;
 286         bw_avg_time = ULONG_MAX;
 287         for_each_td(td, i) {
 288                 if (is_power_of_2(td->o.kb_base))
 289                         je->is_pow2 = 1;
 290                 if (td->o.bw_avg_time < bw_avg_time)
 291                         bw_avg_time = td->o.bw_avg_time;
 292                 if (td->runstate == TD_RUNNING || td->runstate == TD_VERIFYING
 293                     || td->runstate == TD_FSYNCING
 294                     || td->runstate == TD_PRE_READING) {
 295                         je->nr_running++;
 296                         if (td_read(td)) {
 297                                 je->t_rate += td->o.rate[DDIR_READ];
 298                                 je->t_iops += td->o.rate_iops[DDIR_READ];
 299                                 je->m_rate += td->o.ratemin[DDIR_READ];
 300                                 je->m_iops += td->o.rate_iops_min[DDIR_READ];
 301                         }
 302                         if (td_write(td)) {
 303                                 je->t_rate += td->o.rate[DDIR_WRITE];
 304                                 je->t_iops += td->o.rate_iops[DDIR_WRITE];
 305                                 je->m_rate += td->o.ratemin[DDIR_WRITE];
 306                                 je->m_iops += td->o.rate_iops_min[DDIR_WRITE];
 307                         }
 308                         if (td_trim(td)) {
 309                                 je->t_rate += td->o.rate[DDIR_TRIM];
 310                                 je->t_iops += td->o.rate_iops[DDIR_TRIM];
 311                                 je->m_rate += td->o.ratemin[DDIR_TRIM];
 312                                 je->m_iops += td->o.rate_iops_min[DDIR_TRIM];
 313                         }
 314
 315                         je->files_open += td->nr_open_files;
 316                 } else if (td->runstate == TD_RAMP) {
 317                         je->nr_running++;
 318                         je->nr_ramp++;
 319                 } else if (td->runstate < TD_RUNNING)
 320                         je->nr_pending++;
 321
 322                 if (je->elapsed_sec >= 3)
 323                         eta_secs[i] = thread_eta(td);
 324                 else
 325                         eta_secs[i] = INT_MAX;
 326
 327                 check_str_update(td);
 328
 329                 if (td->runstate > TD_RAMP) {
 330                         int ddir;
 331                         for (ddir = DDIR_READ; ddir < DDIR_RWDIR_CNT; ddir++) {
 332                                 io_bytes[ddir] += td->io_bytes[ddir];
 333                                 io_iops[ddir] += td->io_blocks[ddir];
 334                         }
 335                 }
 336         }
 337
 338         if (exitall_on_terminate)
 339                 je->eta_sec = INT_MAX;
 340         else
 341                 je->eta_sec = 0;
 342
 343         for_each_td(td, i) {
 344                 if (exitall_on_terminate) {
 345                         if (eta_secs[i] < je->eta_sec)
 346                                 je->eta_sec = eta_secs[i];
 347                 } else {
 348                         if (eta_secs[i] > je->eta_sec)
 349                                 je->eta_sec = eta_secs[i];
 350                 }
 351         }
 352
 353         free(eta_secs);
 354
 355         fio_gettime(&now, NULL);
 356         rate_time = mtime_since(&rate_prev_time, &now);
 357
 358         if (write_bw_log && rate_time > bw_avg_time && !in_ramp_time(td)) {
 359                 calc_rate(rate_time, io_bytes, rate_io_bytes, je->rate);
 360                 memcpy(&rate_prev_time, &now, sizeof(now));
 361                 add_agg_sample(je->rate[DDIR_READ], DDIR_READ, 0);
 362                 add_agg_sample(je->rate[DDIR_WRITE], DDIR_WRITE, 0);
 363                 add_agg_sample(je->rate[DDIR_TRIM], DDIR_TRIM, 0);
 364         }
 365
 366         disp_time = mtime_since(&disp_prev_time, &now);
 367
 368         /*
 369          * Allow a little slack, the target is to print it every 1000 msecs
 370          */
 371         if (!force && disp_time < 900)
 372                 return 0;
 373
 374         calc_rate(disp_time, io_bytes, disp_io_bytes, je->rate);
 375         calc_iops(disp_time, io_iops, disp_io_iops, je->iops);
 376
 377         memcpy(&disp_prev_time, &now, sizeof(now));
 378
 379         if (!force && !je->nr_running && !je->nr_pending)
 380                 return 0;
 381
 382         je->nr_threads = thread_number;
 383         memcpy(je->run_str, run_str, thread_number * sizeof(char));
 384
 385         return 1;
 386 }
 387
 388 void display_thread_status(struct jobs_eta *je)
 389 {
 390         static int linelen_last;
 391         static int eta_good;
 392         char output[REAL_MAX_JOBS + 512], *p = output;
 393         char eta_str[128];
 394         double perc = 0.0;
 395
 396         if (je->eta_sec != INT_MAX && je->elapsed_sec) {
 397                 perc = (double) je->elapsed_sec / (double) (je->elapsed_sec + je->eta_sec);
 398                 eta_to_str(eta_str, je->eta_sec);
 399         }
 400
 401         p += sprintf(p, "Jobs: %d (f=%d)", je->nr_running, je->files_open);
 402         if (je->m_rate || je->t_rate) {
 403                 char *tr, *mr;
 404
 405                 mr = num2str(je->m_rate, 4, 0, je->is_pow2);
 406                 tr = num2str(je->t_rate, 4, 0, je->is_pow2);
 407                 p += sprintf(p, ", CR=%s/%s KB/s", tr, mr);
 408                 free(tr);
 409                 free(mr);
 410         } else if (je->m_iops || je->t_iops)
 411                 p += sprintf(p, ", CR=%d/%d IOPS", je->t_iops, je->m_iops);
 412         if (je->eta_sec != INT_MAX && je->nr_running) {
 413                 char perc_str[32];
 414                 char *iops_str[DDIR_RWDIR_CNT];
 415                 char *rate_str[DDIR_RWDIR_CNT];
 416                 size_t left;
 417                 int l;
 418                 int ddir;
 419
 420                 if ((!je->eta_sec && !eta_good) || je->nr_ramp == je->nr_running)
 421                         strcpy(perc_str, "-.-% done");
 422                 else {
 423                         eta_good = 1;
 424                         perc *= 100.0;
 425                         sprintf(perc_str, "%3.1f%% done", perc);
 426                 }
 427
 428                 for (ddir = DDIR_READ; ddir < DDIR_RWDIR_CNT; ddir++) {
 429                         rate_str[ddir] = num2str(je->rate[ddir], 5,
 430                                                 1024, je->is_pow2);
 431                         iops_str[ddir] = num2str(je->iops[ddir], 4, 1, 0);
 432                 }
 433
 434                 left = sizeof(output) - (p - output) - 1;
 435
 436                 l = snprintf(p, left, ": [%s] [%s] [%s/%s/%s /s] [%s/%s/%s iops] [eta %s]",
 437                                 je->run_str, perc_str, rate_str[DDIR_READ],
 438                                 rate_str[DDIR_WRITE], rate_str[DDIR_TRIM],
 439                                 iops_str[DDIR_READ], iops_str[DDIR_WRITE],
 440                                 iops_str[DDIR_TRIM], eta_str);
 441                 p += l;
 442                 if (l >= 0 && l < linelen_last)
 443                         p += sprintf(p, "%*s", linelen_last - l, "");
 444                 linelen_last = l;
 445
 446                 for (ddir = DDIR_READ; ddir < DDIR_RWDIR_CNT; ddir++) {
 447                         free(rate_str[ddir]);
 448                         free(iops_str[ddir]);
 449                 }
 450         }
 451         p += sprintf(p, "\r");
 452
 453         printf("%s", output);
 454         fflush(stdout);
 455 }
 456
 457 void print_thread_status(void)
 458 {
 459         struct jobs_eta *je;
 460         size_t size;
 461
 462         if (!thread_number)
 463                 return;
 464
 465         size = sizeof(*je) + thread_number * sizeof(char) + 1;
 466         je = malloc(size);
 467         memset(je, 0, size);
 468
 469         if (calc_thread_status(je, 0))
 470                 display_thread_status(je);
 471
 472         free(je);
 473 }
 474
 475 void print_status_init(int thr_number)
 476 {
 477         run_str[thr_number] = 'P';
 478 }