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