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         if (td->o.zone_size && td->o.zone_skip && bytes_total) {
 143                 unsigned int nr_zones;
 144                 uint64_t zone_bytes;
 145
 146                 zone_bytes = bytes_total + td->o.zone_size + td->o.zone_skip;
 147                 nr_zones = (zone_bytes - 1) / (td->o.zone_size + td->o.zone_skip);
 148                 bytes_total -= nr_zones * td->o.zone_skip;
 149         }
 150
 151         /*
 152          * if writing and verifying afterwards, bytes_total will be twice the
 153          * size. In a mixed workload, verify phase will be the size of the
 154          * first stage writes.
 155          */
 156         if (td->o.do_verify && td->o.verify && td_write(td)) {
 157                 if (td_rw(td)) {
 158                         unsigned int perc = 50;
 159
 160                         if (td->o.rwmix[DDIR_WRITE])
 161                                 perc = td->o.rwmix[DDIR_WRITE];
 162
 163                         bytes_total += (bytes_total * perc) / 100;
 164                 } else
 165                         bytes_total <<= 1;
 166         }
 167
 168         if (td->runstate == TD_RUNNING || td->runstate == TD_VERIFYING) {
 169                 double perc, perc_t;
 170
 171                 bytes_done = ddir_rw_sum(td->io_bytes);
 172                 perc = (double) bytes_done / (double) bytes_total;
 173                 if (perc > 1.0)
 174                         perc = 1.0;
 175
 176                 if (td->o.time_based) {
 177                         perc_t = (double) elapsed / (double) td->o.timeout;
 178                         if (perc_t < perc)
 179                                 perc = perc_t;
 180                 }
 181
 182                 eta_sec = (unsigned long) (elapsed * (1.0 / perc)) - elapsed;
 183
 184                 if (td->o.timeout &&
 185                     eta_sec > (td->o.timeout + done_secs - elapsed))
 186                         eta_sec = td->o.timeout + done_secs - elapsed;
 187         } else if (td->runstate == TD_NOT_CREATED || td->runstate == TD_CREATED
 188                         || td->runstate == TD_INITIALIZED
 189                         || td->runstate == TD_RAMP
 190                         || td->runstate == TD_PRE_READING) {
 191                 int t_eta = 0, r_eta = 0;
 192                 unsigned long long rate_bytes;
 193
 194                 /*
 195                  * We can only guess - assume it'll run the full timeout
 196                  * if given, otherwise assume it'll run at the specified rate.
 197                  */
 198                 if (td->o.timeout) {
 199                         t_eta = td->o.timeout + td->o.start_delay +
 200                                         td->o.ramp_time;
 201
 202                         if (in_ramp_time(td)) {
 203                                 unsigned long ramp_left;
 204
 205                                 ramp_left = mtime_since_now(&td->epoch);
 206                                 ramp_left = (ramp_left + 999) / 1000;
 207                                 if (ramp_left <= t_eta)
 208                                         t_eta -= ramp_left;
 209                         }
 210                 }
 211                 rate_bytes = ddir_rw_sum(td->o.rate);
 212                 if (rate_bytes) {
 213                         r_eta = (bytes_total / 1024) / rate_bytes;
 214                         r_eta += td->o.start_delay;
 215                 }
 216
 217                 if (r_eta && t_eta)
 218                         eta_sec = min(r_eta, t_eta);
 219                 else if (r_eta)
 220                         eta_sec = r_eta;
 221                 else if (t_eta)
 222                         eta_sec = t_eta;
 223                 else
 224                         eta_sec = 0;
 225         } else {
 226                 /*
 227                  * thread is already done or waiting for fsync
 228                  */
 229                 eta_sec = 0;
 230         }
 231
 232         return eta_sec;
 233 }
 234
 235 static void calc_rate(int unified_rw_rep, unsigned long mtime,
 236                       unsigned long long *io_bytes,
 237                       unsigned long long *prev_io_bytes, unsigned int *rate)
 238 {
 239         int i;
 240
 241         for (i = 0; i < DDIR_RWDIR_CNT; i++) {
 242                 unsigned long long diff;
 243
 244                 diff = io_bytes[i] - prev_io_bytes[i];
 245                 if (unified_rw_rep) {
 246                         rate[i] = 0;
 247                         rate[0] += ((1000 * diff) / mtime) / 1024;
 248                 } else
 249                         rate[i] = ((1000 * diff) / mtime) / 1024;
 250
 251                 prev_io_bytes[i] = io_bytes[i];
 252         }
 253 }
 254
 255 static void calc_iops(int unified_rw_rep, unsigned long mtime,
 256                       unsigned long long *io_iops,
 257                       unsigned long long *prev_io_iops, unsigned int *iops)
 258 {
 259         int i;
 260
 261         for (i = 0; i < DDIR_RWDIR_CNT; i++) {
 262                 unsigned long long diff;
 263
 264                 diff = io_iops[i] - prev_io_iops[i];
 265                 if (unified_rw_rep) {
 266                         iops[i] = 0;
 267                         iops[0] += (diff * 1000) / mtime;
 268                 } else
 269                         iops[i] = (diff * 1000) / mtime;
 270
 271                 prev_io_iops[i] = io_iops[i];
 272         }
 273 }
 274
 275 /*
 276  * Print status of the jobs we know about. This includes rate estimates,
 277  * ETA, thread state, etc.
 278  */
 279 int calc_thread_status(struct jobs_eta *je, int force)
 280 {
 281         struct thread_data *td;
 282         int i, unified_rw_rep;
 283         unsigned long rate_time, disp_time, bw_avg_time, *eta_secs;
 284         unsigned long long io_bytes[DDIR_RWDIR_CNT];
 285         unsigned long long io_iops[DDIR_RWDIR_CNT];
 286         struct timeval now;
 287
 288         static unsigned long long rate_io_bytes[DDIR_RWDIR_CNT];
 289         static unsigned long long disp_io_bytes[DDIR_RWDIR_CNT];
 290         static unsigned long long disp_io_iops[DDIR_RWDIR_CNT];
 291         static struct timeval rate_prev_time, disp_prev_time;
 292
 293         if (!force) {
 294                 if (output_format != FIO_OUTPUT_NORMAL &&
 295                     f_out == stdout)
 296                         return 0;
 297                 if (temp_stall_ts || eta_print == FIO_ETA_NEVER)
 298                         return 0;
 299
 300                 if (!isatty(STDOUT_FILENO) && (eta_print != FIO_ETA_ALWAYS))
 301                         return 0;
 302         }
 303
 304         if (!ddir_rw_sum(rate_io_bytes))
 305                 fill_start_time(&rate_prev_time);
 306         if (!ddir_rw_sum(disp_io_bytes))
 307                 fill_start_time(&disp_prev_time);
 308
 309         eta_secs = malloc(thread_number * sizeof(unsigned long));
 310         memset(eta_secs, 0, thread_number * sizeof(unsigned long));
 311
 312         je->elapsed_sec = (mtime_since_genesis() + 999) / 1000;
 313
 314         io_bytes[DDIR_READ] = io_bytes[DDIR_WRITE] = io_bytes[DDIR_TRIM] = 0;
 315         io_iops[DDIR_READ] = io_iops[DDIR_WRITE] = io_iops[DDIR_TRIM] = 0;
 316         bw_avg_time = ULONG_MAX;
 317         unified_rw_rep = 0;
 318         for_each_td(td, i) {
 319                 unified_rw_rep += td->o.unified_rw_rep;
 320                 if (is_power_of_2(td->o.kb_base))
 321                         je->is_pow2 = 1;
 322                 if (td->o.bw_avg_time < bw_avg_time)
 323                         bw_avg_time = td->o.bw_avg_time;
 324                 if (td->runstate == TD_RUNNING || td->runstate == TD_VERIFYING
 325                     || td->runstate == TD_FSYNCING
 326                     || td->runstate == TD_PRE_READING) {
 327                         je->nr_running++;
 328                         if (td_read(td)) {
 329                                 je->t_rate += td->o.rate[DDIR_READ];
 330                                 je->t_iops += td->o.rate_iops[DDIR_READ];
 331                                 je->m_rate += td->o.ratemin[DDIR_READ];
 332                                 je->m_iops += td->o.rate_iops_min[DDIR_READ];
 333                         }
 334                         if (td_write(td)) {
 335                                 je->t_rate += td->o.rate[DDIR_WRITE];
 336                                 je->t_iops += td->o.rate_iops[DDIR_WRITE];
 337                                 je->m_rate += td->o.ratemin[DDIR_WRITE];
 338                                 je->m_iops += td->o.rate_iops_min[DDIR_WRITE];
 339                         }
 340                         if (td_trim(td)) {
 341                                 je->t_rate += td->o.rate[DDIR_TRIM];
 342                                 je->t_iops += td->o.rate_iops[DDIR_TRIM];
 343                                 je->m_rate += td->o.ratemin[DDIR_TRIM];
 344                                 je->m_iops += td->o.rate_iops_min[DDIR_TRIM];
 345                         }
 346
 347                         je->files_open += td->nr_open_files;
 348                 } else if (td->runstate == TD_RAMP) {
 349                         je->nr_running++;
 350                         je->nr_ramp++;
 351                 } else if (td->runstate == TD_SETTING_UP)
 352                         je->nr_running++;
 353                 else if (td->runstate < TD_RUNNING)
 354                         je->nr_pending++;
 355
 356                 if (je->elapsed_sec >= 3)
 357                         eta_secs[i] = thread_eta(td);
 358                 else
 359                         eta_secs[i] = INT_MAX;
 360
 361                 check_str_update(td);
 362
 363                 if (td->runstate > TD_RAMP) {
 364                         int ddir;
 365
 366                         for (ddir = DDIR_READ; ddir < DDIR_RWDIR_CNT; ddir++) {
 367                                 if (unified_rw_rep) {
 368                                         io_bytes[0] += td->io_bytes[ddir];
 369                                         io_iops[0] += td->io_blocks[ddir];
 370                                 } else {
 371                                         io_bytes[ddir] += td->io_bytes[ddir];
 372                                         io_iops[ddir] += td->io_blocks[ddir];
 373                                 }
 374                         }
 375                 }
 376         }
 377
 378         if (exitall_on_terminate)
 379                 je->eta_sec = INT_MAX;
 380         else
 381                 je->eta_sec = 0;
 382
 383         for_each_td(td, i) {
 384                 if (exitall_on_terminate) {
 385                         if (eta_secs[i] < je->eta_sec)
 386                                 je->eta_sec = eta_secs[i];
 387                 } else {
 388                         if (eta_secs[i] > je->eta_sec)
 389                                 je->eta_sec = eta_secs[i];
 390                 }
 391         }
 392
 393         free(eta_secs);
 394
 395         fio_gettime(&now, NULL);
 396         rate_time = mtime_since(&rate_prev_time, &now);
 397
 398         if (write_bw_log && rate_time > bw_avg_time && !in_ramp_time(td)) {
 399                 calc_rate(unified_rw_rep, rate_time, io_bytes, rate_io_bytes,
 400                                 je->rate);
 401                 memcpy(&rate_prev_time, &now, sizeof(now));
 402                 add_agg_sample(je->rate[DDIR_READ], DDIR_READ, 0);
 403                 add_agg_sample(je->rate[DDIR_WRITE], DDIR_WRITE, 0);
 404                 add_agg_sample(je->rate[DDIR_TRIM], DDIR_TRIM, 0);
 405         }
 406
 407         disp_time = mtime_since(&disp_prev_time, &now);
 408
 409         /*
 410          * Allow a little slack, the target is to print it every 1000 msecs
 411          */
 412         if (!force && disp_time < 900)
 413                 return 0;
 414
 415         calc_rate(unified_rw_rep, disp_time, io_bytes, disp_io_bytes, je->rate);
 416         calc_iops(unified_rw_rep, disp_time, io_iops, disp_io_iops, je->iops);
 417
 418         memcpy(&disp_prev_time, &now, sizeof(now));
 419
 420         if (!force && !je->nr_running && !je->nr_pending)
 421                 return 0;
 422
 423         je->nr_threads = thread_number;
 424         memcpy(je->run_str, run_str, thread_number * sizeof(char));
 425         return 1;
 426 }
 427
 428 void display_thread_status(struct jobs_eta *je)
 429 {
 430         static struct timeval disp_eta_new_line;
 431         static int eta_new_line_init, eta_new_line_pending;
 432         static int linelen_last;
 433         static int eta_good;
 434         char output[REAL_MAX_JOBS + 512], *p = output;
 435         char eta_str[128];
 436         double perc = 0.0;
 437
 438         if (je->eta_sec != INT_MAX && je->elapsed_sec) {
 439                 perc = (double) je->elapsed_sec / (double) (je->elapsed_sec + je->eta_sec);
 440                 eta_to_str(eta_str, je->eta_sec);
 441         }
 442
 443         if (eta_new_line_pending) {
 444                 eta_new_line_pending = 0;
 445                 p += sprintf(p, "\n");
 446         }
 447
 448         p += sprintf(p, "Jobs: %d (f=%d)", je->nr_running, je->files_open);
 449         if (je->m_rate || je->t_rate) {
 450                 char *tr, *mr;
 451
 452                 mr = num2str(je->m_rate, 4, 0, je->is_pow2);
 453                 tr = num2str(je->t_rate, 4, 0, je->is_pow2);
 454                 p += sprintf(p, ", CR=%s/%s KB/s", tr, mr);
 455                 free(tr);
 456                 free(mr);
 457         } else if (je->m_iops || je->t_iops)
 458                 p += sprintf(p, ", CR=%d/%d IOPS", je->t_iops, je->m_iops);
 459         if (je->eta_sec != INT_MAX && je->nr_running) {
 460                 char perc_str[32];
 461                 char *iops_str[DDIR_RWDIR_CNT];
 462                 char *rate_str[DDIR_RWDIR_CNT];
 463                 size_t left;
 464                 int l;
 465                 int ddir;
 466
 467                 if ((!je->eta_sec && !eta_good) || je->nr_ramp == je->nr_running)
 468                         strcpy(perc_str, "-.-% done");
 469                 else {
 470                         eta_good = 1;
 471                         perc *= 100.0;
 472                         sprintf(perc_str, "%3.1f%% done", perc);
 473                 }
 474
 475                 for (ddir = DDIR_READ; ddir < DDIR_RWDIR_CNT; ddir++) {
 476                         rate_str[ddir] = num2str(je->rate[ddir], 5,
 477                                                 1024, je->is_pow2);
 478                         iops_str[ddir] = num2str(je->iops[ddir], 4, 1, 0);
 479                 }
 480
 481                 left = sizeof(output) - (p - output) - 1;
 482
 483                 l = snprintf(p, left, ": [%s] [%s] [%s/%s/%s /s] [%s/%s/%s iops] [eta %s]",
 484                                 je->run_str, perc_str, rate_str[DDIR_READ],
 485                                 rate_str[DDIR_WRITE], rate_str[DDIR_TRIM],
 486                                 iops_str[DDIR_READ], iops_str[DDIR_WRITE],
 487                                 iops_str[DDIR_TRIM], eta_str);
 488                 p += l;
 489                 if (l >= 0 && l < linelen_last)
 490                         p += sprintf(p, "%*s", linelen_last - l, "");
 491                 linelen_last = l;
 492
 493                 for (ddir = DDIR_READ; ddir < DDIR_RWDIR_CNT; ddir++) {
 494                         free(rate_str[ddir]);
 495                         free(iops_str[ddir]);
 496                 }
 497         }
 498         p += sprintf(p, "\r");
 499
 500         printf("%s", output);
 501
 502         if (!eta_new_line_init) {
 503                 fio_gettime(&disp_eta_new_line, NULL);
 504                 eta_new_line_init = 1;
 505         } else if (eta_new_line &&
 506                    mtime_since_now(&disp_eta_new_line) > eta_new_line * 1000) {
 507                 fio_gettime(&disp_eta_new_line, NULL);
 508                 eta_new_line_pending = 1;
 509         }
 510
 511         fflush(stdout);
 512 }
 513
 514 void print_thread_status(void)
 515 {
 516         struct jobs_eta *je;
 517         size_t size;
 518
 519         if (!thread_number)
 520                 return;
 521
 522         size = sizeof(*je) + thread_number * sizeof(char) + 1;
 523         je = malloc(size);
 524         memset(je, 0, size);
 525
 526         if (calc_thread_status(je, 0))
 527                 display_thread_status(je);
 528
 529         free(je);
 530 }
 531
 532 void print_status_init(int thr_number)
 533 {
 534         run_str[thr_number] = 'P';
 535 }