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 static 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
 131         elapsed = (mtime_since_now(&td->epoch) + 999) / 1000;
 132
 133         bytes_total = td->total_io_size;
 134
 135         if (td->o.fill_device && td->o.size  == -1ULL) {
 136                 if (!td->fill_device_size || td->fill_device_size == -1ULL)
 137                         return 0;
 138
 139                 bytes_total = td->fill_device_size;
 140         }
 141
 142         /*
 143          * if writing, bytes_total will be twice the size. If mixing,
 144          * assume a 50/50 split and thus bytes_total will be 50% larger.
 145          */
 146         if (td->o.do_verify && td->o.verify && td_write(td)) {
 147                 if (td_rw(td))
 148                         bytes_total = bytes_total * 3 / 2;
 149                 else
 150                         bytes_total <<= 1;
 151         }
 152
 153         if (td->o.zone_size && td->o.zone_skip)
 154                 bytes_total /= (td->o.zone_skip / td->o.zone_size);
 155
 156         if (td->runstate == TD_RUNNING || td->runstate == TD_VERIFYING) {
 157                 double perc, perc_t;
 158
 159                 bytes_done = ddir_rw_sum(td->io_bytes);
 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                 unsigned long long rate_bytes;
 181
 182                 /*
 183                  * We can only guess - assume it'll run the full timeout
 184                  * if given, otherwise assume it'll run at the specified rate.
 185                  */
 186                 if (td->o.timeout) {
 187                         t_eta = td->o.timeout + td->o.start_delay +
 188                                         td->o.ramp_time;
 189
 190                         if (in_ramp_time(td)) {
 191                                 unsigned long ramp_left;
 192
 193                                 ramp_left = mtime_since_now(&td->epoch);
 194                                 ramp_left = (ramp_left + 999) / 1000;
 195                                 if (ramp_left <= t_eta)
 196                                         t_eta -= ramp_left;
 197                         }
 198                 }
 199                 rate_bytes = ddir_rw_sum(td->o.rate);
 200                 if (rate_bytes) {
 201                         r_eta = (bytes_total / 1024) / rate_bytes;
 202                         r_eta += td->o.start_delay;
 203                 }
 204
 205                 if (r_eta && t_eta)
 206                         eta_sec = min(r_eta, t_eta);
 207                 else if (r_eta)
 208                         eta_sec = r_eta;
 209                 else if (t_eta)
 210                         eta_sec = t_eta;
 211                 else
 212                         eta_sec = 0;
 213         } else {
 214                 /*
 215                  * thread is already done or waiting for fsync
 216                  */
 217                 eta_sec = 0;
 218         }
 219
 220         return eta_sec;
 221 }
 222
 223 static void calc_rate(unsigned long mtime, unsigned long long *io_bytes,
 224                       unsigned long long *prev_io_bytes, unsigned int *rate)
 225 {
 226         int i;
 227
 228         for (i = 0; i < DDIR_RWDIR_CNT; i++) {
 229                 unsigned long long diff;
 230
 231                 diff = io_bytes[i] - prev_io_bytes[i];
 232                 rate[i] = ((1000 * diff) / mtime) / 1024;
 233
 234                 prev_io_bytes[i] = io_bytes[i];
 235         }
 236 }
 237
 238 static void calc_iops(unsigned long mtime, unsigned long long *io_iops,
 239                       unsigned long long *prev_io_iops, unsigned int *iops)
 240 {
 241         int i;
 242
 243         for (i = 0; i < DDIR_RWDIR_CNT; i++) {
 244                 iops[i] = ((io_iops[i] - prev_io_iops[i]) * 1000) / mtime;
 245                 prev_io_iops[i] = io_iops[i];
 246         }
 247 }
 248
 249 /*
 250  * Print status of the jobs we know about. This includes rate estimates,
 251  * ETA, thread state, etc.
 252  */
 253 int calc_thread_status(struct jobs_eta *je, int force)
 254 {
 255         struct thread_data *td;
 256         int i;
 257         unsigned long rate_time, disp_time, bw_avg_time, *eta_secs;
 258         unsigned long long io_bytes[DDIR_RWDIR_CNT];
 259         unsigned long long io_iops[DDIR_RWDIR_CNT];
 260         struct timeval now;
 261
 262         static unsigned long long rate_io_bytes[DDIR_RWDIR_CNT];
 263         static unsigned long long disp_io_bytes[DDIR_RWDIR_CNT];
 264         static unsigned long long disp_io_iops[DDIR_RWDIR_CNT];
 265         static struct timeval rate_prev_time, disp_prev_time;
 266
 267         if (!force) {
 268                 if (output_format != FIO_OUTPUT_NORMAL)
 269                         return 0;
 270                 if (temp_stall_ts || eta_print == FIO_ETA_NEVER)
 271                         return 0;
 272
 273                 if (!isatty(STDOUT_FILENO) && (eta_print != FIO_ETA_ALWAYS))
 274                         return 0;
 275         }
 276
 277         if (!ddir_rw_sum(rate_io_bytes))
 278                 fill_start_time(&rate_prev_time);
 279         if (!ddir_rw_sum(disp_io_bytes))
 280                 fill_start_time(&disp_prev_time);
 281
 282         eta_secs = malloc(thread_number * sizeof(unsigned long));
 283         memset(eta_secs, 0, thread_number * sizeof(unsigned long));
 284
 285         je->elapsed_sec = (mtime_since_genesis() + 999) / 1000;
 286
 287         io_bytes[DDIR_READ] = io_bytes[DDIR_WRITE] = io_bytes[DDIR_TRIM] = 0;
 288         io_iops[DDIR_READ] = io_iops[DDIR_WRITE] = io_iops[DDIR_TRIM] = 0;
 289         bw_avg_time = ULONG_MAX;
 290         for_each_td(td, i) {
 291                 if (is_power_of_2(td->o.kb_base))
 292                         je->is_pow2 = 1;
 293                 if (td->o.bw_avg_time < bw_avg_time)
 294                         bw_avg_time = td->o.bw_avg_time;
 295                 if (td->runstate == TD_RUNNING || td->runstate == TD_VERIFYING
 296                     || td->runstate == TD_FSYNCING
 297                     || td->runstate == TD_PRE_READING) {
 298                         je->nr_running++;
 299                         if (td_read(td)) {
 300                                 je->t_rate += td->o.rate[DDIR_READ];
 301                                 je->t_iops += td->o.rate_iops[DDIR_READ];
 302                                 je->m_rate += td->o.ratemin[DDIR_READ];
 303                                 je->m_iops += td->o.rate_iops_min[DDIR_READ];
 304                         }
 305                         if (td_write(td)) {
 306                                 je->t_rate += td->o.rate[DDIR_WRITE];
 307                                 je->t_iops += td->o.rate_iops[DDIR_WRITE];
 308                                 je->m_rate += td->o.ratemin[DDIR_WRITE];
 309                                 je->m_iops += td->o.rate_iops_min[DDIR_WRITE];
 310                         }
 311                         if (td_trim(td)) {
 312                                 je->t_rate += td->o.rate[DDIR_TRIM];
 313                                 je->t_iops += td->o.rate_iops[DDIR_TRIM];
 314                                 je->m_rate += td->o.ratemin[DDIR_TRIM];
 315                                 je->m_iops += td->o.rate_iops_min[DDIR_TRIM];
 316                         }
 317
 318                         je->files_open += td->nr_open_files;
 319                 } else if (td->runstate == TD_RAMP) {
 320                         je->nr_running++;
 321                         je->nr_ramp++;
 322                 } else if (td->runstate == TD_SETTING_UP)
 323                         je->nr_running++;
 324                 else if (td->runstate < TD_RUNNING)
 325                         je->nr_pending++;
 326
 327                 if (je->elapsed_sec >= 3)
 328                         eta_secs[i] = thread_eta(td);
 329                 else
 330                         eta_secs[i] = INT_MAX;
 331
 332                 check_str_update(td);
 333
 334                 if (td->runstate > TD_RAMP) {
 335                         int ddir;
 336                         for (ddir = DDIR_READ; ddir < DDIR_RWDIR_CNT; ddir++) {
 337                                 io_bytes[ddir] += td->io_bytes[ddir];
 338                                 io_iops[ddir] += td->io_blocks[ddir];
 339                         }
 340                 }
 341         }
 342
 343         if (exitall_on_terminate)
 344                 je->eta_sec = INT_MAX;
 345         else
 346                 je->eta_sec = 0;
 347
 348         for_each_td(td, i) {
 349                 if (exitall_on_terminate) {
 350                         if (eta_secs[i] < je->eta_sec)
 351                                 je->eta_sec = eta_secs[i];
 352                 } else {
 353                         if (eta_secs[i] > je->eta_sec)
 354                                 je->eta_sec = eta_secs[i];
 355                 }
 356         }
 357
 358         free(eta_secs);
 359
 360         fio_gettime(&now, NULL);
 361         rate_time = mtime_since(&rate_prev_time, &now);
 362
 363         if (write_bw_log && rate_time > bw_avg_time && !in_ramp_time(td)) {
 364                 calc_rate(rate_time, io_bytes, rate_io_bytes, je->rate);
 365                 memcpy(&rate_prev_time, &now, sizeof(now));
 366                 add_agg_sample(je->rate[DDIR_READ], DDIR_READ, 0);
 367                 add_agg_sample(je->rate[DDIR_WRITE], DDIR_WRITE, 0);
 368                 add_agg_sample(je->rate[DDIR_TRIM], DDIR_TRIM, 0);
 369         }
 370
 371         disp_time = mtime_since(&disp_prev_time, &now);
 372
 373         /*
 374          * Allow a little slack, the target is to print it every 1000 msecs
 375          */
 376         if (!force && disp_time < 900)
 377                 return 0;
 378
 379         calc_rate(disp_time, io_bytes, disp_io_bytes, je->rate);
 380         calc_iops(disp_time, io_iops, disp_io_iops, je->iops);
 381
 382         memcpy(&disp_prev_time, &now, sizeof(now));
 383
 384         if (!force && !je->nr_running && !je->nr_pending)
 385                 return 0;
 386
 387         je->nr_threads = thread_number;
 388         memcpy(je->run_str, run_str, thread_number * sizeof(char));
 389
 390         return 1;
 391 }
 392
 393 void display_thread_status(struct jobs_eta *je)
 394 {
 395         static int linelen_last;
 396         static int eta_good;
 397         char output[REAL_MAX_JOBS + 512], *p = output;
 398         char eta_str[128];
 399         double perc = 0.0;
 400
 401         if (je->eta_sec != INT_MAX && je->elapsed_sec) {
 402                 perc = (double) je->elapsed_sec / (double) (je->elapsed_sec + je->eta_sec);
 403                 eta_to_str(eta_str, je->eta_sec);
 404         }
 405
 406         p += sprintf(p, "Jobs: %d (f=%d)", je->nr_running, je->files_open);
 407         if (je->m_rate || je->t_rate) {
 408                 char *tr, *mr;
 409
 410                 mr = num2str(je->m_rate, 4, 0, je->is_pow2);
 411                 tr = num2str(je->t_rate, 4, 0, je->is_pow2);
 412                 p += sprintf(p, ", CR=%s/%s KB/s", tr, mr);
 413                 free(tr);
 414                 free(mr);
 415         } else if (je->m_iops || je->t_iops)
 416                 p += sprintf(p, ", CR=%d/%d IOPS", je->t_iops, je->m_iops);
 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 }