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(int unified_rw_rep, unsigned long mtime,
 230                       unsigned long long *io_bytes,
 231                       unsigned long long *prev_io_bytes, unsigned int *rate)
 232 {
 233         int i;
 234
 235         for (i = 0; i < DDIR_RWDIR_CNT; i++) {
 236                 unsigned long long diff;
 237
 238                 diff = io_bytes[i] - prev_io_bytes[i];
 239                 if (unified_rw_rep) {
 240                         rate[i] = 0;
 241                         rate[0] += ((1000 * diff) / mtime) / 1024;
 242                 } else
 243                         rate[i] = ((1000 * diff) / mtime) / 1024;
 244
 245                 prev_io_bytes[i] = io_bytes[i];
 246         }
 247 }
 248
 249 static void calc_iops(int unified_rw_rep, unsigned long mtime,
 250                       unsigned long long *io_iops,
 251                       unsigned long long *prev_io_iops, unsigned int *iops)
 252 {
 253         int i;
 254
 255         for (i = 0; i < DDIR_RWDIR_CNT; i++) {
 256                 unsigned long long diff;
 257
 258                 diff = io_iops[i] - prev_io_iops[i];
 259                 if (unified_rw_rep) {
 260                         iops[i] = 0;
 261                         iops[0] += (diff * 1000) / mtime;
 262                 } else
 263                         iops[i] = (diff * 1000) / mtime;
 264
 265                 prev_io_iops[i] = io_iops[i];
 266         }
 267 }
 268
 269 /*
 270  * Print status of the jobs we know about. This includes rate estimates,
 271  * ETA, thread state, etc.
 272  */
 273 int calc_thread_status(struct jobs_eta *je, int force)
 274 {
 275         struct thread_data *td;
 276         int i, unified_rw_rep;
 277         unsigned long rate_time, disp_time, bw_avg_time, *eta_secs;
 278         unsigned long long io_bytes[DDIR_RWDIR_CNT];
 279         unsigned long long io_iops[DDIR_RWDIR_CNT];
 280         struct timeval now;
 281
 282         static unsigned long long rate_io_bytes[DDIR_RWDIR_CNT];
 283         static unsigned long long disp_io_bytes[DDIR_RWDIR_CNT];
 284         static unsigned long long disp_io_iops[DDIR_RWDIR_CNT];
 285         static struct timeval rate_prev_time, disp_prev_time;
 286
 287         if (!force) {
 288                 if (output_format != FIO_OUTPUT_NORMAL &&
 289                     f_out == stdout)
 290                         return 0;
 291                 if (temp_stall_ts || eta_print == FIO_ETA_NEVER)
 292                         return 0;
 293
 294                 if (!isatty(STDOUT_FILENO) && (eta_print != FIO_ETA_ALWAYS))
 295                         return 0;
 296         }
 297
 298         if (!ddir_rw_sum(rate_io_bytes))
 299                 fill_start_time(&rate_prev_time);
 300         if (!ddir_rw_sum(disp_io_bytes))
 301                 fill_start_time(&disp_prev_time);
 302
 303         eta_secs = malloc(thread_number * sizeof(unsigned long));
 304         memset(eta_secs, 0, thread_number * sizeof(unsigned long));
 305
 306         je->elapsed_sec = (mtime_since_genesis() + 999) / 1000;
 307
 308         io_bytes[DDIR_READ] = io_bytes[DDIR_WRITE] = io_bytes[DDIR_TRIM] = 0;
 309         io_iops[DDIR_READ] = io_iops[DDIR_WRITE] = io_iops[DDIR_TRIM] = 0;
 310         bw_avg_time = ULONG_MAX;
 311         unified_rw_rep = 0;
 312         for_each_td(td, i) {
 313                 unified_rw_rep += td->o.unified_rw_rep;
 314                 if (is_power_of_2(td->o.kb_base))
 315                         je->is_pow2 = 1;
 316                 if (td->o.bw_avg_time < bw_avg_time)
 317                         bw_avg_time = td->o.bw_avg_time;
 318                 if (td->runstate == TD_RUNNING || td->runstate == TD_VERIFYING
 319                     || td->runstate == TD_FSYNCING
 320                     || td->runstate == TD_PRE_READING) {
 321                         je->nr_running++;
 322                         if (td_read(td)) {
 323                                 je->t_rate += td->o.rate[DDIR_READ];
 324                                 je->t_iops += td->o.rate_iops[DDIR_READ];
 325                                 je->m_rate += td->o.ratemin[DDIR_READ];
 326                                 je->m_iops += td->o.rate_iops_min[DDIR_READ];
 327                         }
 328                         if (td_write(td)) {
 329                                 je->t_rate += td->o.rate[DDIR_WRITE];
 330                                 je->t_iops += td->o.rate_iops[DDIR_WRITE];
 331                                 je->m_rate += td->o.ratemin[DDIR_WRITE];
 332                                 je->m_iops += td->o.rate_iops_min[DDIR_WRITE];
 333                         }
 334                         if (td_trim(td)) {
 335                                 je->t_rate += td->o.rate[DDIR_TRIM];
 336                                 je->t_iops += td->o.rate_iops[DDIR_TRIM];
 337                                 je->m_rate += td->o.ratemin[DDIR_TRIM];
 338                                 je->m_iops += td->o.rate_iops_min[DDIR_TRIM];
 339                         }
 340
 341                         je->files_open += td->nr_open_files;
 342                 } else if (td->runstate == TD_RAMP) {
 343                         je->nr_running++;
 344                         je->nr_ramp++;
 345                 } else if (td->runstate == TD_SETTING_UP)
 346                         je->nr_running++;
 347                 else if (td->runstate < TD_RUNNING)
 348                         je->nr_pending++;
 349
 350                 if (je->elapsed_sec >= 3)
 351                         eta_secs[i] = thread_eta(td);
 352                 else
 353                         eta_secs[i] = INT_MAX;
 354
 355                 check_str_update(td);
 356
 357                 if (td->runstate > TD_RAMP) {
 358                         int ddir;
 359
 360                         for (ddir = DDIR_READ; ddir < DDIR_RWDIR_CNT; ddir++) {
 361                                 if (unified_rw_rep) {
 362                                         io_bytes[0] += td->io_bytes[ddir];
 363                                         io_iops[0] += td->io_blocks[ddir];
 364                                 } else {
 365                                         io_bytes[ddir] += td->io_bytes[ddir];
 366                                         io_iops[ddir] += td->io_blocks[ddir];
 367                                 }
 368                         }
 369                 }
 370         }
 371
 372         if (exitall_on_terminate)
 373                 je->eta_sec = INT_MAX;
 374         else
 375                 je->eta_sec = 0;
 376
 377         for_each_td(td, i) {
 378                 if (exitall_on_terminate) {
 379                         if (eta_secs[i] < je->eta_sec)
 380                                 je->eta_sec = eta_secs[i];
 381                 } else {
 382                         if (eta_secs[i] > je->eta_sec)
 383                                 je->eta_sec = eta_secs[i];
 384                 }
 385         }
 386
 387         free(eta_secs);
 388
 389         fio_gettime(&now, NULL);
 390         rate_time = mtime_since(&rate_prev_time, &now);
 391
 392         if (write_bw_log && rate_time > bw_avg_time && !in_ramp_time(td)) {
 393                 calc_rate(unified_rw_rep, rate_time, io_bytes, rate_io_bytes,
 394                                 je->rate);
 395                 memcpy(&rate_prev_time, &now, sizeof(now));
 396                 add_agg_sample(je->rate[DDIR_READ], DDIR_READ, 0);
 397                 add_agg_sample(je->rate[DDIR_WRITE], DDIR_WRITE, 0);
 398                 add_agg_sample(je->rate[DDIR_TRIM], DDIR_TRIM, 0);
 399         }
 400
 401         disp_time = mtime_since(&disp_prev_time, &now);
 402
 403         /*
 404          * Allow a little slack, the target is to print it every 1000 msecs
 405          */
 406         if (!force && disp_time < 900)
 407                 return 0;
 408
 409         calc_rate(unified_rw_rep, disp_time, io_bytes, disp_io_bytes, je->rate);
 410         calc_iops(unified_rw_rep, disp_time, io_iops, disp_io_iops, je->iops);
 411
 412         memcpy(&disp_prev_time, &now, sizeof(now));
 413
 414         if (!force && !je->nr_running && !je->nr_pending)
 415                 return 0;
 416
 417         je->nr_threads = thread_number;
 418         memcpy(je->run_str, run_str, thread_number * sizeof(char));
 419
 420         return 1;
 421 }
 422
 423 void display_thread_status(struct jobs_eta *je)
 424 {
 425         static int linelen_last;
 426         static int eta_good;
 427         char output[REAL_MAX_JOBS + 512], *p = output;
 428         char eta_str[128];
 429         double perc = 0.0;
 430
 431         if (je->eta_sec != INT_MAX && je->elapsed_sec) {
 432                 perc = (double) je->elapsed_sec / (double) (je->elapsed_sec + je->eta_sec);
 433                 eta_to_str(eta_str, je->eta_sec);
 434         }
 435
 436         p += sprintf(p, "Jobs: %d (f=%d)", je->nr_running, je->files_open);
 437         if (je->m_rate || je->t_rate) {
 438                 char *tr, *mr;
 439
 440                 mr = num2str(je->m_rate, 4, 0, je->is_pow2);
 441                 tr = num2str(je->t_rate, 4, 0, je->is_pow2);
 442                 p += sprintf(p, ", CR=%s/%s KB/s", tr, mr);
 443                 free(tr);
 444                 free(mr);
 445         } else if (je->m_iops || je->t_iops)
 446                 p += sprintf(p, ", CR=%d/%d IOPS", je->t_iops, je->m_iops);
 447         if (je->eta_sec != INT_MAX && je->nr_running) {
 448                 char perc_str[32];
 449                 char *iops_str[DDIR_RWDIR_CNT];
 450                 char *rate_str[DDIR_RWDIR_CNT];
 451                 size_t left;
 452                 int l;
 453                 int ddir;
 454
 455                 if ((!je->eta_sec && !eta_good) || je->nr_ramp == je->nr_running)
 456                         strcpy(perc_str, "-.-% done");
 457                 else {
 458                         eta_good = 1;
 459                         perc *= 100.0;
 460                         sprintf(perc_str, "%3.1f%% done", perc);
 461                 }
 462
 463                 for (ddir = DDIR_READ; ddir < DDIR_RWDIR_CNT; ddir++) {
 464                         rate_str[ddir] = num2str(je->rate[ddir], 5,
 465                                                 1024, je->is_pow2);
 466                         iops_str[ddir] = num2str(je->iops[ddir], 4, 1, 0);
 467                 }
 468
 469                 left = sizeof(output) - (p - output) - 1;
 470
 471                 l = snprintf(p, left, ": [%s] [%s] [%s/%s/%s /s] [%s/%s/%s iops] [eta %s]",
 472                                 je->run_str, perc_str, rate_str[DDIR_READ],
 473                                 rate_str[DDIR_WRITE], rate_str[DDIR_TRIM],
 474                                 iops_str[DDIR_READ], iops_str[DDIR_WRITE],
 475                                 iops_str[DDIR_TRIM], eta_str);
 476                 p += l;
 477                 if (l >= 0 && l < linelen_last)
 478                         p += sprintf(p, "%*s", linelen_last - l, "");
 479                 linelen_last = l;
 480
 481                 for (ddir = DDIR_READ; ddir < DDIR_RWDIR_CNT; ddir++) {
 482                         free(rate_str[ddir]);
 483                         free(iops_str[ddir]);
 484                 }
 485         }
 486         p += sprintf(p, "\r");
 487
 488         printf("%s", output);
 489         fflush(stdout);
 490 }
 491
 492 void print_thread_status(void)
 493 {
 494         struct jobs_eta *je;
 495         size_t size;
 496
 497         if (!thread_number)
 498                 return;
 499
 500         size = sizeof(*je) + thread_number * sizeof(char) + 1;
 501         je = malloc(size);
 502         memset(je, 0, size);
 503
 504         if (calc_thread_status(je, 0))
 505                 display_thread_status(je);
 506
 507         free(je);
 508 }
 509
 510 void print_status_init(int thr_number)
 511 {
 512         run_str[thr_number] = 'P';
 513 }