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