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 and verifying afterwards, bytes_total will be twice the
 144          * size. In a mixed workload, verify phase will be the size of the
 145          * first stage writes.
 146          */
 147         if (td->o.do_verify && td->o.verify && td_write(td)) {
 148                 if (td_rw(td)) {
 149                         unsigned int perc = 50;
 150
 151                         if (td->o.rwmix[DDIR_WRITE])
 152                                 perc = td->o.rwmix[DDIR_WRITE];
 153
 154                         bytes_total += (bytes_total * perc) / 100;
 155                 } else
 156                         bytes_total <<= 1;
 157         }
 158
 159         if (td->o.zone_size && td->o.zone_skip)
 160                 bytes_total /= (td->o.zone_skip / td->o.zone_size);
 161
 162         if (td->runstate == TD_RUNNING || td->runstate == TD_VERIFYING) {
 163                 double perc, perc_t;
 164
 165                 bytes_done = ddir_rw_sum(td->io_bytes);
 166                 perc = (double) bytes_done / (double) bytes_total;
 167                 if (perc > 1.0)
 168                         perc = 1.0;
 169
 170                 if (td->o.time_based) {
 171                         perc_t = (double) elapsed / (double) td->o.timeout;
 172                         if (perc_t < perc)
 173                                 perc = perc_t;
 174                 }
 175
 176                 eta_sec = (unsigned long) (elapsed * (1.0 / perc)) - elapsed;
 177
 178                 if (td->o.timeout &&
 179                     eta_sec > (td->o.timeout + done_secs - elapsed))
 180                         eta_sec = td->o.timeout + done_secs - elapsed;
 181         } else if (td->runstate == TD_NOT_CREATED || td->runstate == TD_CREATED
 182                         || td->runstate == TD_INITIALIZED
 183                         || td->runstate == TD_RAMP
 184                         || td->runstate == TD_PRE_READING) {
 185                 int t_eta = 0, r_eta = 0;
 186                 unsigned long long rate_bytes;
 187
 188                 /*
 189                  * We can only guess - assume it'll run the full timeout
 190                  * if given, otherwise assume it'll run at the specified rate.
 191                  */
 192                 if (td->o.timeout) {
 193                         t_eta = td->o.timeout + td->o.start_delay +
 194                                         td->o.ramp_time;
 195
 196                         if (in_ramp_time(td)) {
 197                                 unsigned long ramp_left;
 198
 199                                 ramp_left = mtime_since_now(&td->epoch);
 200                                 ramp_left = (ramp_left + 999) / 1000;
 201                                 if (ramp_left <= t_eta)
 202                                         t_eta -= ramp_left;
 203                         }
 204                 }
 205                 rate_bytes = ddir_rw_sum(td->o.rate);
 206                 if (rate_bytes) {
 207                         r_eta = (bytes_total / 1024) / rate_bytes;
 208                         r_eta += td->o.start_delay;
 209                 }
 210
 211                 if (r_eta && t_eta)
 212                         eta_sec = min(r_eta, t_eta);
 213                 else if (r_eta)
 214                         eta_sec = r_eta;
 215                 else if (t_eta)
 216                         eta_sec = t_eta;
 217                 else
 218                         eta_sec = 0;
 219         } else {
 220                 /*
 221                  * thread is already done or waiting for fsync
 222                  */
 223                 eta_sec = 0;
 224         }
 225
 226         return eta_sec;
 227 }
 228
 229 static void calc_rate(unsigned long mtime, unsigned long long *io_bytes,
 230                       unsigned long long *prev_io_bytes, unsigned int *rate)
 231 {
 232         int i;
 233
 234         for (i = 0; i < DDIR_RWDIR_CNT; i++) {
 235                 unsigned long long diff;
 236
 237                 diff = io_bytes[i] - prev_io_bytes[i];
 238                 rate[i] = ((1000 * diff) / mtime) / 1024;
 239
 240                 prev_io_bytes[i] = io_bytes[i];
 241         }
 242 }
 243
 244 static void calc_iops(unsigned long mtime, unsigned long long *io_iops,
 245                       unsigned long long *prev_io_iops, unsigned int *iops)
 246 {
 247         int i;
 248
 249         for (i = 0; i < DDIR_RWDIR_CNT; i++) {
 250                 iops[i] = ((io_iops[i] - prev_io_iops[i]) * 1000) / mtime;
 251                 prev_io_iops[i] = io_iops[i];
 252         }
 253 }
 254
 255 /*
 256  * Print status of the jobs we know about. This includes rate estimates,
 257  * ETA, thread state, etc.
 258  */
 259 int calc_thread_status(struct jobs_eta *je, int force)
 260 {
 261         struct thread_data *td;
 262         int i;
 263         unsigned long rate_time, disp_time, bw_avg_time, *eta_secs;
 264         unsigned long long io_bytes[DDIR_RWDIR_CNT];
 265         unsigned long long io_iops[DDIR_RWDIR_CNT];
 266         struct timeval now;
 267
 268         static unsigned long long rate_io_bytes[DDIR_RWDIR_CNT];
 269         static unsigned long long disp_io_bytes[DDIR_RWDIR_CNT];
 270         static unsigned long long disp_io_iops[DDIR_RWDIR_CNT];
 271         static struct timeval rate_prev_time, disp_prev_time;
 272
 273         if (!force) {
 274                 if (output_format != FIO_OUTPUT_NORMAL)
 275                         return 0;
 276                 if (temp_stall_ts || eta_print == FIO_ETA_NEVER)
 277                         return 0;
 278
 279                 if (!isatty(STDOUT_FILENO) && (eta_print != FIO_ETA_ALWAYS))
 280                         return 0;
 281         }
 282
 283         if (!ddir_rw_sum(rate_io_bytes))
 284                 fill_start_time(&rate_prev_time);
 285         if (!ddir_rw_sum(disp_io_bytes))
 286                 fill_start_time(&disp_prev_time);
 287
 288         eta_secs = malloc(thread_number * sizeof(unsigned long));
 289         memset(eta_secs, 0, thread_number * sizeof(unsigned long));
 290
 291         je->elapsed_sec = (mtime_since_genesis() + 999) / 1000;
 292
 293         io_bytes[DDIR_READ] = io_bytes[DDIR_WRITE] = io_bytes[DDIR_TRIM] = 0;
 294         io_iops[DDIR_READ] = io_iops[DDIR_WRITE] = io_iops[DDIR_TRIM] = 0;
 295         bw_avg_time = ULONG_MAX;
 296         for_each_td(td, i) {
 297                 if (is_power_of_2(td->o.kb_base))
 298                         je->is_pow2 = 1;
 299                 if (td->o.bw_avg_time < bw_avg_time)
 300                         bw_avg_time = td->o.bw_avg_time;
 301                 if (td->runstate == TD_RUNNING || td->runstate == TD_VERIFYING
 302                     || td->runstate == TD_FSYNCING
 303                     || td->runstate == TD_PRE_READING) {
 304                         je->nr_running++;
 305                         if (td_read(td)) {
 306                                 je->t_rate += td->o.rate[DDIR_READ];
 307                                 je->t_iops += td->o.rate_iops[DDIR_READ];
 308                                 je->m_rate += td->o.ratemin[DDIR_READ];
 309                                 je->m_iops += td->o.rate_iops_min[DDIR_READ];
 310                         }
 311                         if (td_write(td)) {
 312                                 je->t_rate += td->o.rate[DDIR_WRITE];
 313                                 je->t_iops += td->o.rate_iops[DDIR_WRITE];
 314                                 je->m_rate += td->o.ratemin[DDIR_WRITE];
 315                                 je->m_iops += td->o.rate_iops_min[DDIR_WRITE];
 316                         }
 317                         if (td_trim(td)) {
 318                                 je->t_rate += td->o.rate[DDIR_TRIM];
 319                                 je->t_iops += td->o.rate_iops[DDIR_TRIM];
 320                                 je->m_rate += td->o.ratemin[DDIR_TRIM];
 321                                 je->m_iops += td->o.rate_iops_min[DDIR_TRIM];
 322                         }
 323
 324                         je->files_open += td->nr_open_files;
 325                 } else if (td->runstate == TD_RAMP) {
 326                         je->nr_running++;
 327                         je->nr_ramp++;
 328                 } else if (td->runstate == TD_SETTING_UP)
 329                         je->nr_running++;
 330                 else if (td->runstate < TD_RUNNING)
 331                         je->nr_pending++;
 332
 333                 if (je->elapsed_sec >= 3)
 334                         eta_secs[i] = thread_eta(td);
 335                 else
 336                         eta_secs[i] = INT_MAX;
 337
 338                 check_str_update(td);
 339
 340                 if (td->runstate > TD_RAMP) {
 341                         int ddir;
 342                         for (ddir = DDIR_READ; ddir < DDIR_RWDIR_CNT; ddir++) {
 343                                 io_bytes[ddir] += td->io_bytes[ddir];
 344                                 io_iops[ddir] += td->io_blocks[ddir];
 345                         }
 346                 }
 347         }
 348
 349         if (exitall_on_terminate)
 350                 je->eta_sec = INT_MAX;
 351         else
 352                 je->eta_sec = 0;
 353
 354         for_each_td(td, i) {
 355                 if (exitall_on_terminate) {
 356                         if (eta_secs[i] < je->eta_sec)
 357                                 je->eta_sec = eta_secs[i];
 358                 } else {
 359                         if (eta_secs[i] > je->eta_sec)
 360                                 je->eta_sec = eta_secs[i];
 361                 }
 362         }
 363
 364         free(eta_secs);
 365
 366         fio_gettime(&now, NULL);
 367         rate_time = mtime_since(&rate_prev_time, &now);
 368
 369         if (write_bw_log && rate_time > bw_avg_time && !in_ramp_time(td)) {
 370                 calc_rate(rate_time, io_bytes, rate_io_bytes, je->rate);
 371                 memcpy(&rate_prev_time, &now, sizeof(now));
 372                 add_agg_sample(je->rate[DDIR_READ], DDIR_READ, 0);
 373                 add_agg_sample(je->rate[DDIR_WRITE], DDIR_WRITE, 0);
 374                 add_agg_sample(je->rate[DDIR_TRIM], DDIR_TRIM, 0);
 375         }
 376
 377         disp_time = mtime_since(&disp_prev_time, &now);
 378
 379         /*
 380          * Allow a little slack, the target is to print it every 1000 msecs
 381          */
 382         if (!force && disp_time < 900)
 383                 return 0;
 384
 385         calc_rate(disp_time, io_bytes, disp_io_bytes, je->rate);
 386         calc_iops(disp_time, io_iops, disp_io_iops, je->iops);
 387
 388         memcpy(&disp_prev_time, &now, sizeof(now));
 389
 390         if (!force && !je->nr_running && !je->nr_pending)
 391                 return 0;
 392
 393         je->nr_threads = thread_number;
 394         memcpy(je->run_str, run_str, thread_number * sizeof(char));
 395
 396         return 1;
 397 }
 398
 399 void display_thread_status(struct jobs_eta *je)
 400 {
 401         static int linelen_last;
 402         static int eta_good;
 403         char output[REAL_MAX_JOBS + 512], *p = output;
 404         char eta_str[128];
 405         double perc = 0.0;
 406
 407         if (je->eta_sec != INT_MAX && je->elapsed_sec) {
 408                 perc = (double) je->elapsed_sec / (double) (je->elapsed_sec + je->eta_sec);
 409                 eta_to_str(eta_str, je->eta_sec);
 410         }
 411
 412         p += sprintf(p, "Jobs: %d (f=%d)", je->nr_running, je->files_open);
 413         if (je->m_rate || je->t_rate) {
 414                 char *tr, *mr;
 415
 416                 mr = num2str(je->m_rate, 4, 0, je->is_pow2);
 417                 tr = num2str(je->t_rate, 4, 0, je->is_pow2);
 418                 p += sprintf(p, ", CR=%s/%s KB/s", tr, mr);
 419                 free(tr);
 420                 free(mr);
 421         } else if (je->m_iops || je->t_iops)
 422                 p += sprintf(p, ", CR=%d/%d IOPS", je->t_iops, je->m_iops);
 423         if (je->eta_sec != INT_MAX && je->nr_running) {
 424                 char perc_str[32];
 425                 char *iops_str[DDIR_RWDIR_CNT];
 426                 char *rate_str[DDIR_RWDIR_CNT];
 427                 size_t left;
 428                 int l;
 429                 int ddir;
 430
 431                 if ((!je->eta_sec && !eta_good) || je->nr_ramp == je->nr_running)
 432                         strcpy(perc_str, "-.-% done");
 433                 else {
 434                         eta_good = 1;
 435                         perc *= 100.0;
 436                         sprintf(perc_str, "%3.1f%% done", perc);
 437                 }
 438
 439                 for (ddir = DDIR_READ; ddir < DDIR_RWDIR_CNT; ddir++) {
 440                         rate_str[ddir] = num2str(je->rate[ddir], 5,
 441                                                 1024, je->is_pow2);
 442                         iops_str[ddir] = num2str(je->iops[ddir], 4, 1, 0);
 443                 }
 444
 445                 left = sizeof(output) - (p - output) - 1;
 446
 447                 l = snprintf(p, left, ": [%s] [%s] [%s/%s/%s /s] [%s/%s/%s iops] [eta %s]",
 448                                 je->run_str, perc_str, rate_str[DDIR_READ],
 449                                 rate_str[DDIR_WRITE], rate_str[DDIR_TRIM],
 450                                 iops_str[DDIR_READ], iops_str[DDIR_WRITE],
 451                                 iops_str[DDIR_TRIM], eta_str);
 452                 p += l;
 453                 if (l >= 0 && l < linelen_last)
 454                         p += sprintf(p, "%*s", linelen_last - l, "");
 455                 linelen_last = l;
 456
 457                 for (ddir = DDIR_READ; ddir < DDIR_RWDIR_CNT; ddir++) {
 458                         free(rate_str[ddir]);
 459                         free(iops_str[ddir]);
 460                 }
 461         }
 462         p += sprintf(p, "\r");
 463
 464         printf("%s", output);
 465         fflush(stdout);
 466 }
 467
 468 void print_thread_status(void)
 469 {
 470         struct jobs_eta *je;
 471         size_t size;
 472
 473         if (!thread_number)
 474                 return;
 475
 476         size = sizeof(*je) + thread_number * sizeof(char) + 1;
 477         je = malloc(size);
 478         memset(je, 0, size);
 479
 480         if (calc_thread_status(je, 0))
 481                 display_thread_status(je);
 482
 483         free(je);
 484 }
 485
 486 void print_status_init(int thr_number)
 487 {
 488         run_str[thr_number] = 'P';
 489 }