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 {
  57                         if (td_random(td))
  58                                 c = 'w';
  59                         else
  60                                 c = 'W';
  61                 }
  62                 break;
  63         case TD_PRE_READING:
  64                 c = 'p';
  65                 break;
  66         case TD_VERIFYING:
  67                 c = 'V';
  68                 break;
  69         case TD_FSYNCING:
  70                 c = 'F';
  71                 break;
  72         case TD_CREATED:
  73                 c = 'C';
  74                 break;
  75         case TD_INITIALIZED:
  76                 c = 'I';
  77                 break;
  78         case TD_NOT_CREATED:
  79                 c = 'P';
  80                 break;
  81         default:
  82                 log_err("state %d\n", td->runstate);
  83         }
  84
  85         run_str[td->thread_number - 1] = c;
  86 }
  87
  88 /*
  89  * Convert seconds to a printable string.
  90  */
  91 static void eta_to_str(char *str, unsigned long eta_sec)
  92 {
  93         unsigned int d, h, m, s;
  94         int disp_hour = 0;
  95
  96         s = eta_sec % 60;
  97         eta_sec /= 60;
  98         m = eta_sec % 60;
  99         eta_sec /= 60;
 100         h = eta_sec % 24;
 101         eta_sec /= 24;
 102         d = eta_sec;
 103
 104         if (d) {
 105                 disp_hour = 1;
 106                 str += sprintf(str, "%02ud:", d);
 107         }
 108
 109         if (h || disp_hour)
 110                 str += sprintf(str, "%02uh:", h);
 111
 112         str += sprintf(str, "%02um:", m);
 113         str += sprintf(str, "%02us", s);
 114 }
 115
 116 /*
 117  * Best effort calculation of the estimated pending runtime of a job.
 118  */
 119 static int thread_eta(struct thread_data *td)
 120 {
 121         unsigned long long bytes_total, bytes_done;
 122         unsigned long eta_sec = 0;
 123         unsigned long elapsed;
 124
 125         elapsed = (mtime_since_now(&td->epoch) + 999) / 1000;
 126
 127         bytes_total = td->total_io_size;
 128
 129         if (td->o.fill_device && td->o.size  == -1ULL) {
 130                 if (!td->fill_device_size || td->fill_device_size == -1ULL)
 131                         return 0;
 132
 133                 bytes_total = td->fill_device_size;
 134         }
 135
 136         /*
 137          * if writing, bytes_total will be twice the size. If mixing,
 138          * assume a 50/50 split and thus bytes_total will be 50% larger.
 139          */
 140         if (td->o.do_verify && td->o.verify && td_write(td)) {
 141                 if (td_rw(td))
 142                         bytes_total = bytes_total * 3 / 2;
 143                 else
 144                         bytes_total <<= 1;
 145         }
 146
 147         if (td->o.zone_size && td->o.zone_skip)
 148                 bytes_total /= (td->o.zone_skip / td->o.zone_size);
 149
 150         if (td->runstate == TD_RUNNING || td->runstate == TD_VERIFYING) {
 151                 double perc, perc_t;
 152
 153                 bytes_done = td->io_bytes[DDIR_READ] + td->io_bytes[DDIR_WRITE];
 154                 perc = (double) bytes_done / (double) bytes_total;
 155                 if (perc > 1.0)
 156                         perc = 1.0;
 157
 158                 if (td->o.time_based) {
 159                         perc_t = (double) elapsed / (double) td->o.timeout;
 160                         if (perc_t < perc)
 161                                 perc = perc_t;
 162                 }
 163
 164                 eta_sec = (unsigned long) (elapsed * (1.0 / perc)) - elapsed;
 165
 166                 if (td->o.timeout &&
 167                     eta_sec > (td->o.timeout + done_secs - elapsed))
 168                         eta_sec = td->o.timeout + done_secs - elapsed;
 169         } else if (td->runstate == TD_NOT_CREATED || td->runstate == TD_CREATED
 170                         || td->runstate == TD_INITIALIZED
 171                         || td->runstate == TD_RAMP
 172                         || td->runstate == TD_PRE_READING) {
 173                 int t_eta = 0, r_eta = 0;
 174
 175                 /*
 176                  * We can only guess - assume it'll run the full timeout
 177                  * if given, otherwise assume it'll run at the specified rate.
 178                  */
 179                 if (td->o.timeout) {
 180                         t_eta = td->o.timeout + td->o.start_delay +
 181                                         td->o.ramp_time;
 182
 183                         if (in_ramp_time(td)) {
 184                                 unsigned long ramp_left;
 185
 186                                 ramp_left = mtime_since_now(&td->epoch);
 187                                 ramp_left = (ramp_left + 999) / 1000;
 188                                 if (ramp_left <= t_eta)
 189                                         t_eta -= ramp_left;
 190                         }
 191                 }
 192                 if (td->o.rate[0] || td->o.rate[1]) {
 193                         r_eta = (bytes_total / 1024) /
 194                                         (td->o.rate[0] + td->o.rate[1]);
 195                         r_eta += td->o.start_delay;
 196                 }
 197
 198                 if (r_eta && t_eta)
 199                         eta_sec = min(r_eta, t_eta);
 200                 else if (r_eta)
 201                         eta_sec = r_eta;
 202                 else if (t_eta)
 203                         eta_sec = t_eta;
 204                 else
 205                         eta_sec = 0;
 206         } else {
 207                 /*
 208                  * thread is already done or waiting for fsync
 209                  */
 210                 eta_sec = 0;
 211         }
 212
 213         return eta_sec;
 214 }
 215
 216 static void calc_rate(unsigned long mtime, unsigned long long *io_bytes,
 217                       unsigned long long *prev_io_bytes, unsigned int *rate)
 218 {
 219         int i;
 220
 221         for (i = 0; i <= DDIR_WRITE; i++) {
 222                 unsigned long long diff;
 223
 224                 diff = io_bytes[i] - prev_io_bytes[i];
 225                 rate[i] = ((1000 * diff) / mtime) / 1024;
 226         }
 227         prev_io_bytes[0] = io_bytes[0];
 228         prev_io_bytes[1] = io_bytes[1];
 229 }
 230
 231 static void calc_iops(unsigned long mtime, unsigned long long *io_iops,
 232                       unsigned long long *prev_io_iops, unsigned int *iops)
 233 {
 234         iops[0] = ((io_iops[0] - prev_io_iops[0]) * 1000) / mtime;
 235         iops[1] = ((io_iops[1] - prev_io_iops[1]) * 1000) / mtime;
 236         prev_io_iops[0] = io_iops[0];
 237         prev_io_iops[1] = io_iops[1];
 238 }
 239
 240 /*
 241  * Print status of the jobs we know about. This includes rate estimates,
 242  * ETA, thread state, etc.
 243  */
 244 int calc_thread_status(struct jobs_eta *je, int force)
 245 {
 246         struct thread_data *td;
 247         int i;
 248         unsigned long rate_time, disp_time, bw_avg_time, *eta_secs;
 249         unsigned long long io_bytes[2];
 250         unsigned long long io_iops[2];
 251         struct timeval now;
 252
 253         static unsigned long long rate_io_bytes[2];
 254         static unsigned long long disp_io_bytes[2];
 255         static unsigned long long disp_io_iops[2];
 256         static struct timeval rate_prev_time, disp_prev_time;
 257
 258         if (!force) {
 259                 if (temp_stall_ts || terse_output || eta_print == FIO_ETA_NEVER)
 260                         return 0;
 261
 262                 if (!isatty(STDOUT_FILENO) && (eta_print != FIO_ETA_ALWAYS))
 263                         return 0;
 264         }
 265
 266         if (!rate_io_bytes[0] && !rate_io_bytes[1])
 267                 fill_start_time(&rate_prev_time);
 268         if (!disp_io_bytes[0] && !disp_io_bytes[1])
 269                 fill_start_time(&disp_prev_time);
 270
 271         eta_secs = malloc(thread_number * sizeof(unsigned long));
 272         memset(eta_secs, 0, thread_number * sizeof(unsigned long));
 273
 274         je->elapsed_sec = (mtime_since_genesis() + 999) / 1000;
 275
 276         io_bytes[0] = io_bytes[1] = 0;
 277         io_iops[0] = io_iops[1] = 0;
 278         bw_avg_time = ULONG_MAX;
 279         for_each_td(td, i) {
 280                 if (is_power_of_2(td->o.kb_base))
 281                         je->is_pow2 = 1;
 282                 if (td->o.bw_avg_time < bw_avg_time)
 283                         bw_avg_time = td->o.bw_avg_time;
 284                 if (td->runstate == TD_RUNNING || td->runstate == TD_VERIFYING
 285                     || td->runstate == TD_FSYNCING
 286                     || td->runstate == TD_PRE_READING) {
 287                         je->nr_running++;
 288                         je->t_rate += td->o.rate[0] + td->o.rate[1];
 289                         je->m_rate += td->o.ratemin[0] + td->o.ratemin[1];
 290                         je->t_iops += td->o.rate_iops[0] + td->o.rate_iops[1];
 291                         je->m_iops += td->o.rate_iops_min[0] +
 292                                         td->o.rate_iops_min[1];
 293                         je->files_open += td->nr_open_files;
 294                 } else if (td->runstate == TD_RAMP) {
 295                         je->nr_running++;
 296                         je->nr_ramp++;
 297                 } else if (td->runstate < TD_RUNNING)
 298                         je->nr_pending++;
 299
 300                 if (je->elapsed_sec >= 3)
 301                         eta_secs[i] = thread_eta(td);
 302                 else
 303                         eta_secs[i] = INT_MAX;
 304
 305                 check_str_update(td);
 306
 307                 if (td->runstate > TD_RAMP) {
 308                         io_bytes[0] += td->io_bytes[0];
 309                         io_bytes[1] += td->io_bytes[1];
 310                         io_iops[0] += td->io_blocks[0];
 311                         io_iops[1] += td->io_blocks[1];
 312                 }
 313         }
 314
 315         if (exitall_on_terminate)
 316                 je->eta_sec = INT_MAX;
 317         else
 318                 je->eta_sec = 0;
 319
 320         for_each_td(td, i) {
 321                 if (exitall_on_terminate) {
 322                         if (eta_secs[i] < je->eta_sec)
 323                                 je->eta_sec = eta_secs[i];
 324                 } else {
 325                         if (eta_secs[i] > je->eta_sec)
 326                                 je->eta_sec = eta_secs[i];
 327                 }
 328         }
 329
 330         free(eta_secs);
 331
 332         fio_gettime(&now, NULL);
 333         rate_time = mtime_since(&rate_prev_time, &now);
 334
 335         if (write_bw_log && rate_time > bw_avg_time && !in_ramp_time(td)) {
 336                 calc_rate(rate_time, io_bytes, rate_io_bytes, je->rate);
 337                 memcpy(&rate_prev_time, &now, sizeof(now));
 338                 add_agg_sample(je->rate[DDIR_READ], DDIR_READ, 0);
 339                 add_agg_sample(je->rate[DDIR_WRITE], DDIR_WRITE, 0);
 340         }
 341
 342         disp_time = mtime_since(&disp_prev_time, &now);
 343
 344         /*
 345          * Allow a little slack, the target is to print it every 1000 msecs
 346          */
 347         if (!force && disp_time < 900)
 348                 return 0;
 349
 350         calc_rate(disp_time, io_bytes, disp_io_bytes, je->rate);
 351         calc_iops(disp_time, io_iops, disp_io_iops, je->iops);
 352
 353         memcpy(&disp_prev_time, &now, sizeof(now));
 354
 355         if (!force && !je->nr_running && !je->nr_pending)
 356                 return 0;
 357
 358         je->nr_threads = thread_number;
 359         memcpy(je->run_str, run_str, thread_number * sizeof(char));
 360
 361         return 1;
 362 }
 363
 364 void display_thread_status(struct jobs_eta *je)
 365 {
 366         static int linelen_last;
 367         static int eta_good;
 368         char output[REAL_MAX_JOBS + 512], *p = output;
 369         char eta_str[128];
 370         double perc = 0.0;
 371
 372         if (je->eta_sec != INT_MAX && je->elapsed_sec) {
 373                 perc = (double) je->elapsed_sec / (double) (je->elapsed_sec + je->eta_sec);
 374                 eta_to_str(eta_str, je->eta_sec);
 375         }
 376
 377         p += sprintf(p, "Jobs: %d (f=%d)", je->nr_running, je->files_open);
 378         if (je->m_rate || je->t_rate) {
 379                 char *tr, *mr;
 380
 381                 mr = num2str(je->m_rate, 4, 0, je->is_pow2);
 382                 tr = num2str(je->t_rate, 4, 0, je->is_pow2);
 383                 p += sprintf(p, ", CR=%s/%s KB/s", tr, mr);
 384                 free(tr);
 385                 free(mr);
 386         } else if (je->m_iops || je->t_iops)
 387                 p += sprintf(p, ", CR=%d/%d IOPS", je->t_iops, je->m_iops);
 388         if (je->eta_sec != INT_MAX && je->nr_running) {
 389                 char perc_str[32];
 390                 char *iops_str[2];
 391                 char *rate_str[2];
 392                 size_t left;
 393                 int l;
 394
 395                 if ((!je->eta_sec && !eta_good) || je->nr_ramp == je->nr_running)
 396                         strcpy(perc_str, "-.-% done");
 397                 else {
 398                         eta_good = 1;
 399                         perc *= 100.0;
 400                         sprintf(perc_str, "%3.1f%% done", perc);
 401                 }
 402
 403                 rate_str[0] = num2str(je->rate[0], 5, 1024, je->is_pow2);
 404                 rate_str[1] = num2str(je->rate[1], 5, 1024, je->is_pow2);
 405
 406                 iops_str[0] = num2str(je->iops[0], 4, 1, 0);
 407                 iops_str[1] = num2str(je->iops[1], 4, 1, 0);
 408
 409                 left = sizeof(output) - (p - output) - 1;
 410
 411                 l = snprintf(p, left, ": [%s] [%s] [%s/%s /s] [%s/%s iops] [eta %s]",
 412                                 je->run_str, perc_str, rate_str[0],
 413                                 rate_str[1], iops_str[0], iops_str[1], eta_str);
 414                 p += l;
 415                 if (l >= 0 && l < linelen_last)
 416                         p += sprintf(p, "%*s", linelen_last - l, "");
 417                 linelen_last = l;
 418
 419                 free(rate_str[0]);
 420                 free(rate_str[1]);
 421                 free(iops_str[0]);
 422                 free(iops_str[1]);
 423         }
 424         p += sprintf(p, "\r");
 425
 426         printf("%s", output);
 427         fflush(stdout);
 428 }
 429
 430 void print_thread_status(void)
 431 {
 432         struct jobs_eta *je;
 433         size_t size;
 434
 435         if (!thread_number)
 436                 return;
 437
 438         size = sizeof(*je) + thread_number * sizeof(char) + 1;
 439         je = malloc(size);
 440         memset(je, 0, size);
 441
 442         if (calc_thread_status(je, 0))
 443                 display_thread_status(je);
 444
 445         free(je);
 446 }
 447
 448 void print_status_init(int thr_number)
 449 {
 450         run_str[thr_number] = 'P';
 451 }