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 void (*update_thread_status)(char *status_message, double perc) = NULL;
  11
  12 static char run_str[REAL_MAX_JOBS + 1];
  13
  14 /*
  15  * Sets the status of the 'td' in the printed status map.
  16  */
  17 static void check_str_update(struct thread_data *td)
  18 {
  19         char c = run_str[td->thread_number - 1];
  20
  21         switch (td->runstate) {
  22         case TD_REAPED:
  23                 c = '_';
  24                 break;
  25         case TD_EXITED:
  26                 c = 'E';
  27                 break;
  28         case TD_RAMP:
  29                 c = '/';
  30                 break;
  31         case TD_RUNNING:
  32                 if (td_rw(td)) {
  33                         if (td_random(td)) {
  34                                 if (td->o.rwmix[DDIR_READ] == 100)
  35                                         c = 'r';
  36                                 else if (td->o.rwmix[DDIR_WRITE] == 100)
  37                                         c = 'w';
  38                                 else
  39                                         c = 'm';
  40                         } else {
  41                                 if (td->o.rwmix[DDIR_READ] == 100)
  42                                         c = 'R';
  43                                 else if (td->o.rwmix[DDIR_WRITE] == 100)
  44                                         c = 'W';
  45                                 else
  46                                         c = 'M';
  47                         }
  48                 } else if (td_read(td)) {
  49                         if (td_random(td))
  50                                 c = 'r';
  51                         else
  52                                 c = 'R';
  53                 } else {
  54                         if (td_random(td))
  55                                 c = 'w';
  56                         else
  57                                 c = 'W';
  58                 }
  59                 break;
  60         case TD_PRE_READING:
  61                 c = 'p';
  62                 break;
  63         case TD_VERIFYING:
  64                 c = 'V';
  65                 break;
  66         case TD_FSYNCING:
  67                 c = 'F';
  68                 break;
  69         case TD_CREATED:
  70                 c = 'C';
  71                 break;
  72         case TD_INITIALIZED:
  73                 c = 'I';
  74                 break;
  75         case TD_NOT_CREATED:
  76                 c = 'P';
  77                 break;
  78         default:
  79                 log_err("state %d\n", td->runstate);
  80         }
  81
  82         run_str[td->thread_number - 1] = c;
  83 }
  84
  85 /*
  86  * Convert seconds to a printable string.
  87  */
  88 static void eta_to_str(char *str, unsigned long eta_sec)
  89 {
  90         unsigned int d, h, m, s;
  91         int disp_hour = 0;
  92
  93         s = eta_sec % 60;
  94         eta_sec /= 60;
  95         m = eta_sec % 60;
  96         eta_sec /= 60;
  97         h = eta_sec % 24;
  98         eta_sec /= 24;
  99         d = eta_sec;
 100
 101         if (d) {
 102                 disp_hour = 1;
 103                 str += sprintf(str, "%02ud:", d);
 104         }
 105
 106         if (h || disp_hour)
 107                 str += sprintf(str, "%02uh:", h);
 108
 109         str += sprintf(str, "%02um:", m);
 110         str += sprintf(str, "%02us", s);
 111 }
 112
 113 /*
 114  * Best effort calculation of the estimated pending runtime of a job.
 115  */
 116 static int thread_eta(struct thread_data *td)
 117 {
 118         unsigned long long bytes_total, bytes_done;
 119         unsigned long eta_sec = 0;
 120         unsigned long elapsed;
 121
 122         elapsed = (mtime_since_now(&td->epoch) + 999) / 1000;
 123
 124         bytes_total = td->total_io_size;
 125
 126         if (td->o.fill_device && td->o.size  == -1ULL) {
 127                 if (!td->fill_device_size || td->fill_device_size == -1ULL)
 128                         return 0;
 129
 130                 bytes_total = td->fill_device_size;
 131         }
 132
 133         /*
 134          * if writing, bytes_total will be twice the size. If mixing,
 135          * assume a 50/50 split and thus bytes_total will be 50% larger.
 136          */
 137         if (td->o.do_verify && td->o.verify && td_write(td)) {
 138                 if (td_rw(td))
 139                         bytes_total = bytes_total * 3 / 2;
 140                 else
 141                         bytes_total <<= 1;
 142         }
 143
 144         if (td->o.zone_size && td->o.zone_skip)
 145                 bytes_total /= (td->o.zone_skip / td->o.zone_size);
 146
 147         if (td->runstate == TD_RUNNING || td->runstate == TD_VERIFYING) {
 148                 double perc, perc_t;
 149
 150                 bytes_done = td->io_bytes[DDIR_READ] + td->io_bytes[DDIR_WRITE];
 151                 perc = (double) bytes_done / (double) bytes_total;
 152                 if (perc > 1.0)
 153                         perc = 1.0;
 154
 155                 if (td->o.time_based) {
 156                         perc_t = (double) elapsed / (double) td->o.timeout;
 157                         if (perc_t < perc)
 158                                 perc = perc_t;
 159                 }
 160
 161                 eta_sec = (unsigned long) (elapsed * (1.0 / perc)) - elapsed;
 162
 163                 if (td->o.timeout &&
 164                     eta_sec > (td->o.timeout + done_secs - elapsed))
 165                         eta_sec = td->o.timeout + done_secs - elapsed;
 166         } else if (td->runstate == TD_NOT_CREATED || td->runstate == TD_CREATED
 167                         || td->runstate == TD_INITIALIZED
 168                         || td->runstate == TD_RAMP
 169                         || td->runstate == TD_PRE_READING) {
 170                 int t_eta = 0, r_eta = 0;
 171
 172                 /*
 173                  * We can only guess - assume it'll run the full timeout
 174                  * if given, otherwise assume it'll run at the specified rate.
 175                  */
 176                 if (td->o.timeout) {
 177                         t_eta = td->o.timeout + td->o.start_delay +
 178                                         td->o.ramp_time;
 179
 180                         if (in_ramp_time(td)) {
 181                                 unsigned long ramp_left;
 182
 183                                 ramp_left = mtime_since_now(&td->epoch);
 184                                 ramp_left = (ramp_left + 999) / 1000;
 185                                 if (ramp_left <= t_eta)
 186                                         t_eta -= ramp_left;
 187                         }
 188                 }
 189                 if (td->o.rate[0] || td->o.rate[1]) {
 190                         r_eta = (bytes_total / 1024) /
 191                                         (td->o.rate[0] + td->o.rate[1]);
 192                         r_eta += td->o.start_delay;
 193                 }
 194
 195                 if (r_eta && t_eta)
 196                         eta_sec = min(r_eta, t_eta);
 197                 else if (r_eta)
 198                         eta_sec = r_eta;
 199                 else if (t_eta)
 200                         eta_sec = t_eta;
 201                 else
 202                         eta_sec = 0;
 203         } else {
 204                 /*
 205                  * thread is already done or waiting for fsync
 206                  */
 207                 eta_sec = 0;
 208         }
 209
 210         return eta_sec;
 211 }
 212
 213 static void calc_rate(unsigned long mtime, unsigned long long *io_bytes,
 214                       unsigned long long *prev_io_bytes, unsigned int *rate)
 215 {
 216         rate[0] = (io_bytes[0] - prev_io_bytes[0]) / mtime;
 217         rate[1] = (io_bytes[1] - prev_io_bytes[1]) / mtime;
 218         prev_io_bytes[0] = io_bytes[0];
 219         prev_io_bytes[1] = io_bytes[1];
 220 }
 221
 222 static void calc_iops(unsigned long mtime, unsigned long long *io_iops,
 223                       unsigned long long *prev_io_iops, unsigned int *iops)
 224 {
 225         iops[0] = ((io_iops[0] - prev_io_iops[0]) * 1000) / mtime;
 226         iops[1] = ((io_iops[1] - prev_io_iops[1]) * 1000) / mtime;
 227         prev_io_iops[0] = io_iops[0];
 228         prev_io_iops[1] = io_iops[1];
 229 }
 230
 231 /*
 232  * Print status of the jobs we know about. This includes rate estimates,
 233  * ETA, thread state, etc.
 234  */
 235 int calc_thread_status(struct jobs_eta *je, int force)
 236 {
 237         struct thread_data *td;
 238         int i;
 239         unsigned long rate_time, disp_time, bw_avg_time, *eta_secs;
 240         unsigned long long io_bytes[2];
 241         unsigned long long io_iops[2];
 242         struct timeval now;
 243
 244         static unsigned long long rate_io_bytes[2];
 245         static unsigned long long disp_io_bytes[2];
 246         static unsigned long long disp_io_iops[2];
 247         static struct timeval rate_prev_time, disp_prev_time;
 248         int i2p = 0;
 249
 250         if (!force) {
 251                 if (temp_stall_ts || terse_output || eta_print == FIO_ETA_NEVER)
 252                         return 0;
 253
 254                 if (!isatty(STDOUT_FILENO) && (eta_print != FIO_ETA_ALWAYS))
 255                         return 0;
 256         }
 257
 258         if (!rate_io_bytes[0] && !rate_io_bytes[1])
 259                 fill_start_time(&rate_prev_time);
 260         if (!disp_io_bytes[0] && !disp_io_bytes[1])
 261                 fill_start_time(&disp_prev_time);
 262
 263         eta_secs = malloc(thread_number * sizeof(unsigned long));
 264         memset(eta_secs, 0, thread_number * sizeof(unsigned long));
 265
 266         je->elapsed_sec = (mtime_since_genesis() + 999) / 1000;
 267
 268         io_bytes[0] = io_bytes[1] = 0;
 269         io_iops[0] = io_iops[1] = 0;
 270         bw_avg_time = ULONG_MAX;
 271         for_each_td(td, i) {
 272                 if (td->o.bw_avg_time < bw_avg_time)
 273                         bw_avg_time = td->o.bw_avg_time;
 274                 if (td->runstate == TD_RUNNING || td->runstate == TD_VERIFYING
 275                     || td->runstate == TD_FSYNCING
 276                     || td->runstate == TD_PRE_READING) {
 277                         je->nr_running++;
 278                         je->t_rate += td->o.rate[0] + td->o.rate[1];
 279                         je->m_rate += td->o.ratemin[0] + td->o.ratemin[1];
 280                         je->t_iops += td->o.rate_iops[0] + td->o.rate_iops[1];
 281                         je->m_iops += td->o.rate_iops_min[0] +
 282                                         td->o.rate_iops_min[1];
 283                         je->files_open += td->nr_open_files;
 284                 } else if (td->runstate == TD_RAMP) {
 285                         je->nr_running++;
 286                         je->nr_ramp++;
 287                 } else if (td->runstate < TD_RUNNING)
 288                         je->nr_pending++;
 289
 290                 if (je->elapsed_sec >= 3)
 291                         eta_secs[i] = thread_eta(td);
 292                 else
 293                         eta_secs[i] = INT_MAX;
 294
 295                 check_str_update(td);
 296
 297                 if (td->runstate > TD_RAMP) {
 298                         io_bytes[0] += td->io_bytes[0];
 299                         io_bytes[1] += td->io_bytes[1];
 300                         io_iops[0] += td->io_blocks[0];
 301                         io_iops[1] += td->io_blocks[1];
 302                 }
 303         }
 304
 305         if (exitall_on_terminate)
 306                 je->eta_sec = INT_MAX;
 307         else
 308                 je->eta_sec = 0;
 309
 310         for_each_td(td, i) {
 311                 if (!i2p && is_power_of_2(td->o.kb_base))
 312                         i2p = 1;
 313                 if (exitall_on_terminate) {
 314                         if (eta_secs[i] < je->eta_sec)
 315                                 je->eta_sec = eta_secs[i];
 316                 } else {
 317                         if (eta_secs[i] > je->eta_sec)
 318                                 je->eta_sec = eta_secs[i];
 319                 }
 320         }
 321
 322         free(eta_secs);
 323
 324         fio_gettime(&now, NULL);
 325         rate_time = mtime_since(&rate_prev_time, &now);
 326
 327         if (write_bw_log && rate_time > bw_avg_time && !in_ramp_time(td)) {
 328                 calc_rate(rate_time, io_bytes, rate_io_bytes, je->rate);
 329                 memcpy(&rate_prev_time, &now, sizeof(now));
 330                 add_agg_sample(je->rate[DDIR_READ], DDIR_READ, 0);
 331                 add_agg_sample(je->rate[DDIR_WRITE], DDIR_WRITE, 0);
 332         }
 333
 334         disp_time = mtime_since(&disp_prev_time, &now);
 335
 336         /*
 337          * Allow a little slack, the target is to print it every 1000 msecs
 338          */
 339         if (!force && disp_time < 900)
 340                 return 0;
 341
 342         calc_rate(disp_time, io_bytes, disp_io_bytes, je->rate);
 343         calc_iops(disp_time, io_iops, disp_io_iops, je->iops);
 344
 345         memcpy(&disp_prev_time, &now, sizeof(now));
 346
 347         if (!force && !je->nr_running && !je->nr_pending)
 348                 return 0;
 349
 350         je->nr_threads = thread_number;
 351         memcpy(je->run_str, run_str, thread_number * sizeof(char));
 352
 353         return 1;
 354 }
 355
 356 void display_thread_status(struct jobs_eta *je)
 357 {
 358         static int linelen_last;
 359         static int eta_good;
 360         char output[512], *p = output;
 361         char eta_str[128];
 362         double perc = 0.0;
 363         int i2p = 0;
 364
 365         if (je->eta_sec != INT_MAX && je->elapsed_sec) {
 366                 perc = (double) je->elapsed_sec / (double) (je->elapsed_sec + je->eta_sec);
 367                 eta_to_str(eta_str, je->eta_sec);
 368         }
 369
 370         p += sprintf(p, "Jobs: %d (f=%d)", je->nr_running, je->files_open);
 371         if (je->m_rate || je->t_rate) {
 372                 char *tr, *mr;
 373
 374                 mr = num2str(je->m_rate, 4, 0, i2p);
 375                 tr = num2str(je->t_rate, 4, 0, i2p);
 376                 p += sprintf(p, ", CR=%s/%s KB/s", tr, mr);
 377                 free(tr);
 378                 free(mr);
 379         } else if (je->m_iops || je->t_iops)
 380                 p += sprintf(p, ", CR=%d/%d IOPS", je->t_iops, je->m_iops);
 381         if (je->eta_sec != INT_MAX && je->nr_running) {
 382                 char perc_str[32];
 383                 char *iops_str[2];
 384                 char *rate_str[2];
 385                 int l;
 386
 387                 if ((!je->eta_sec && !eta_good) || je->nr_ramp == je->nr_running)
 388                         strcpy(perc_str, "-.-% done");
 389                 else {
 390                         eta_good = 1;
 391                         perc *= 100.0;
 392                         sprintf(perc_str, "%3.1f%% done", perc);
 393                 }
 394
 395                 rate_str[0] = num2str(je->rate[0], 5, 10, i2p);
 396                 rate_str[1] = num2str(je->rate[1], 5, 10, i2p);
 397
 398                 iops_str[0] = num2str(je->iops[0], 4, 1, 0);
 399                 iops_str[1] = num2str(je->iops[1], 4, 1, 0);
 400
 401                 l = sprintf(p, ": [%s] [%s] [%s/%s /s] [%s/%s iops] [eta %s]",
 402                                 je->run_str, perc_str, rate_str[0],
 403                                 rate_str[1], iops_str[0], iops_str[1], eta_str);
 404                 p += l;
 405                 if (l >= 0 && l < linelen_last)
 406                         p += sprintf(p, "%*s", linelen_last - l, "");
 407                 linelen_last = l;
 408
 409                 free(rate_str[0]);
 410                 free(rate_str[1]);
 411                 free(iops_str[0]);
 412                 free(iops_str[1]);
 413         }
 414         p += sprintf(p, "\r");
 415
 416         if (update_thread_status) {
 417                 update_thread_status(output, perc);
 418         } else {
 419                 printf("%s", output);
 420                 fflush(stdout);
 421         }
 422 }
 423
 424 void print_thread_status(void)
 425 {
 426         struct jobs_eta *je;
 427         size_t size;
 428
 429         if (!thread_number)
 430                 return;
 431
 432         size = sizeof(*je) + thread_number * sizeof(char) + 1;
 433         je = malloc(size);
 434         memset(je, 0, size);
 435
 436         if (calc_thread_status(je, 0))
 437                 display_thread_status(je);
 438
 439         free(je);
 440 }
 441
 442 void print_status_init(int thr_number)
 443 {
 444         run_str[thr_number] = 'P';
 445 }