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Sourcecode: fio version File versions

eta.c

/*
 * Status and ETA code
 */
#include <unistd.h>
#include <fcntl.h>
#include <string.h>

#include "fio.h"

static char run_str[MAX_JOBS + 1];

/*
 * Sets the status of the 'td' in the printed status map.
 */
static void check_str_update(struct thread_data *td)
{
      char c = run_str[td->thread_number - 1];

      switch (td->runstate) {
      case TD_REAPED:
            c = '_';
            break;
      case TD_EXITED:
            c = 'E';
            break;
      case TD_RAMP:
            c = '/';
            break;
      case TD_RUNNING:
            if (td_rw(td)) {
                  if (td_random(td))
                        c = 'm';
                  else
                        c = 'M';
            } else if (td_read(td)) {
                  if (td_random(td))
                        c = 'r';
                  else
                        c = 'R';
            } else {
                  if (td_random(td))
                        c = 'w';
                  else
                        c = 'W';
            }
            break;
      case TD_PRE_READING:
            c = 'p';
            break;
      case TD_VERIFYING:
            c = 'V';
            break;
      case TD_FSYNCING:
            c = 'F';
            break;
      case TD_CREATED:
            c = 'C';
            break;
      case TD_INITIALIZED:
            c = 'I';
            break;
      case TD_NOT_CREATED:
            c = 'P';
            break;
      default:
            log_err("state %d\n", td->runstate);
      }

      run_str[td->thread_number - 1] = c;
}

/*
 * Convert seconds to a printable string.
 */
static void eta_to_str(char *str, unsigned long eta_sec)
{
      unsigned int d, h, m, s;
      int disp_hour = 0;

      s = eta_sec % 60;
      eta_sec /= 60;
      m = eta_sec % 60;
      eta_sec /= 60;
      h = eta_sec % 24;
      eta_sec /= 24;
      d = eta_sec;

      if (d) {
            disp_hour = 1;
            str += sprintf(str, "%02ud:", d);
      }

      if (h || disp_hour)
            str += sprintf(str, "%02uh:", h);

      str += sprintf(str, "%02um:", m);
      str += sprintf(str, "%02us", s);
}

/*
 * Best effort calculation of the estimated pending runtime of a job.
 */
static int thread_eta(struct thread_data *td)
{
      unsigned long long bytes_total, bytes_done;
      unsigned long eta_sec = 0;
      unsigned long elapsed;

      elapsed = (mtime_since_now(&td->epoch) + 999) / 1000;

      bytes_total = td->total_io_size;

      /*
       * if writing, bytes_total will be twice the size. If mixing,
       * assume a 50/50 split and thus bytes_total will be 50% larger.
       */
      if (td->o.do_verify && td->o.verify && td_write(td)) {
            if (td_rw(td))
                  bytes_total = bytes_total * 3 / 2;
            else
                  bytes_total <<= 1;
      }

      if (td->o.zone_size && td->o.zone_skip)
            bytes_total /= (td->o.zone_skip / td->o.zone_size);

      if (td->o.fill_device && td->o.size  == -1ULL)
            return 0;

      if (td->runstate == TD_RUNNING || td->runstate == TD_VERIFYING) {
            double perc, perc_t;

            bytes_done = td->io_bytes[DDIR_READ] + td->io_bytes[DDIR_WRITE];
            perc = (double) bytes_done / (double) bytes_total;
            if (perc > 1.0)
                  perc = 1.0;

            if (td->o.time_based) {
                  perc_t = (double) elapsed / (double) td->o.timeout;
                  if (perc_t < perc)
                        perc = perc_t;
            }

            eta_sec = (unsigned long) (elapsed * (1.0 / perc)) - elapsed;

            if (td->o.timeout &&
                eta_sec > (td->o.timeout + done_secs - elapsed))
                  eta_sec = td->o.timeout + done_secs - elapsed;
      } else if (td->runstate == TD_NOT_CREATED || td->runstate == TD_CREATED
                  || td->runstate == TD_INITIALIZED
                  || td->runstate == TD_RAMP
                  || td->runstate == TD_PRE_READING) {
            int t_eta = 0, r_eta = 0;

            /*
             * We can only guess - assume it'll run the full timeout
             * if given, otherwise assume it'll run at the specified rate.
             */
            if (td->o.timeout) {
                  t_eta = td->o.timeout + td->o.start_delay;

                  if (in_ramp_time(td)) {
                        unsigned long ramp_left;

                        ramp_left = mtime_since_now(&td->start);
                        ramp_left = (ramp_left + 999) / 1000;
                        if (ramp_left <= t_eta)
                              t_eta -= ramp_left;
                  }
            }
            if (td->o.rate[0] || td->o.rate[1]) {
                  r_eta = (bytes_total / 1024) / (td->o.rate[0] + td->o.rate[1]);
                  r_eta += td->o.start_delay;
            }

            if (r_eta && t_eta)
                  eta_sec = min(r_eta, t_eta);
            else if (r_eta)
                  eta_sec = r_eta;
            else if (t_eta)
                  eta_sec = t_eta;
            else
                  eta_sec = 0;
      } else {
            /*
             * thread is already done or waiting for fsync
             */
            eta_sec = 0;
      }

      return eta_sec;
}

static void calc_rate(unsigned long mtime, unsigned long long *io_bytes,
                  unsigned long long *prev_io_bytes, unsigned int *rate)
{
      rate[0] = (io_bytes[0] - prev_io_bytes[0]) / mtime;
      rate[1] = (io_bytes[1] - prev_io_bytes[1]) / mtime;
      prev_io_bytes[0] = io_bytes[0];
      prev_io_bytes[1] = io_bytes[1];
}

static void calc_iops(unsigned long mtime, unsigned long long *io_iops,
                  unsigned long long *prev_io_iops, unsigned int *iops)
{
      iops[0] = ((io_iops[0] - prev_io_iops[0]) * 1000) / mtime;
      iops[1] = ((io_iops[1] - prev_io_iops[1]) * 1000) / mtime;
      prev_io_iops[0] = io_iops[0];
      prev_io_iops[1] = io_iops[1];
}

/*
 * Print status of the jobs we know about. This includes rate estimates,
 * ETA, thread state, etc.
 */
void print_thread_status(void)
{
      unsigned long elapsed = (mtime_since_genesis() + 999) / 1000;
      int i, nr_ramp, nr_running, nr_pending, t_rate, m_rate;
      int t_iops, m_iops, files_open;
      struct thread_data *td;
      char eta_str[128];
      double perc = 0.0;
      unsigned long long io_bytes[2], io_iops[2];
      unsigned long rate_time, disp_time, bw_avg_time, *eta_secs, eta_sec;
      struct timeval now;

      static unsigned long long rate_io_bytes[2];
      static unsigned long long disp_io_bytes[2];
      static unsigned long long disp_io_iops[2];
      static struct timeval rate_prev_time, disp_prev_time;
      static unsigned int rate[2], iops[2];
      static int linelen_last;
      static int eta_good;
      int i2p = 0;

      if (temp_stall_ts || terse_output || eta_print == FIO_ETA_NEVER)
            return;

      if (!isatty(STDOUT_FILENO) && (eta_print != FIO_ETA_ALWAYS))
            return;

      if (!rate_io_bytes[0] && !rate_io_bytes[1])
            fill_start_time(&rate_prev_time);
      if (!disp_io_bytes[0] && !disp_io_bytes[1])
            fill_start_time(&disp_prev_time);

      eta_secs = malloc(thread_number * sizeof(unsigned long));
      memset(eta_secs, 0, thread_number * sizeof(unsigned long));

      io_bytes[0] = io_bytes[1] = 0;
      io_iops[0] = io_iops[1] = 0;
      nr_pending = nr_running = t_rate = m_rate = t_iops = m_iops = 0;
      nr_ramp = 0;
      bw_avg_time = ULONG_MAX;
      files_open = 0;
      for_each_td(td, i) {
            if (td->o.bw_avg_time < bw_avg_time)
                  bw_avg_time = td->o.bw_avg_time;
            if (td->runstate == TD_RUNNING || td->runstate == TD_VERIFYING
                || td->runstate == TD_FSYNCING
                || td->runstate == TD_PRE_READING) {
                  nr_running++;
                  t_rate += td->o.rate[0] + td->o.rate[1];
                  m_rate += td->o.ratemin[0] + td->o.ratemin[1];
                  t_iops += td->o.rate_iops[0] + td->o.rate_iops[1];
                  m_iops += td->o.rate_iops_min[0] + td->o.rate_iops_min[1];
                  files_open += td->nr_open_files;
            } else if (td->runstate == TD_RAMP) {
                  nr_running++;
                  nr_ramp++;
            } else if (td->runstate < TD_RUNNING)
                  nr_pending++;

            if (elapsed >= 3)
                  eta_secs[i] = thread_eta(td);
            else
                  eta_secs[i] = INT_MAX;

            check_str_update(td);

            if (td->runstate > TD_RAMP) {
                  io_bytes[0] += td->io_bytes[0];
                  io_bytes[1] += td->io_bytes[1];
                  io_iops[0] += td->io_blocks[0];
                  io_iops[1] += td->io_blocks[1];
            }
      }

      if (exitall_on_terminate)
            eta_sec = INT_MAX;
      else
            eta_sec = 0;

      for_each_td(td, i) {
            if (!i2p && is_power_of_2(td->o.kb_base))
                  i2p = 1;
            if (exitall_on_terminate) {
                  if (eta_secs[i] < eta_sec)
                        eta_sec = eta_secs[i];
            } else {
                  if (eta_secs[i] > eta_sec)
                        eta_sec = eta_secs[i];
            }
      }

      free(eta_secs);

      if (eta_sec != INT_MAX && elapsed) {
            perc = (double) elapsed / (double) (elapsed + eta_sec);
            eta_to_str(eta_str, eta_sec);
      }

      fio_gettime(&now, NULL);
      rate_time = mtime_since(&rate_prev_time, &now);

      if (write_bw_log && rate_time > bw_avg_time && !in_ramp_time(td)) {
            calc_rate(rate_time, io_bytes, rate_io_bytes, rate);
            memcpy(&rate_prev_time, &now, sizeof(now));
            add_agg_sample(rate[DDIR_READ], DDIR_READ, 0);
            add_agg_sample(rate[DDIR_WRITE], DDIR_WRITE, 0);
      }

      disp_time = mtime_since(&disp_prev_time, &now);
      if (disp_time < 1000)
            return;

      calc_rate(disp_time, io_bytes, disp_io_bytes, rate);
      calc_iops(disp_time, io_iops, disp_io_iops, iops);

      memcpy(&disp_prev_time, &now, sizeof(now));

      if (!nr_running && !nr_pending)
            return;

      printf("Jobs: %d (f=%d)", nr_running, files_open);
      if (m_rate || t_rate) {
            char *tr, *mr;

            mr = num2str(m_rate, 4, 0, i2p);
            tr = num2str(t_rate, 4, 0, i2p);
            printf(", CR=%s/%s KB/s", tr, mr);
            free(tr);
            free(mr);
      } else if (m_iops || t_iops)
            printf(", CR=%d/%d IOPS", t_iops, m_iops);
      if (eta_sec != INT_MAX && nr_running) {
            char perc_str[32];
            char *iops_str[2];
            char *rate_str[2];
            int l;

            if ((!eta_sec && !eta_good) || nr_ramp == nr_running)
                  strcpy(perc_str, "-.-% done");
            else {
                  eta_good = 1;
                  perc *= 100.0;
                  sprintf(perc_str, "%3.1f%% done", perc);
            }

            rate_str[0] = num2str(rate[0], 5, 10, i2p);
            rate_str[1] = num2str(rate[1], 5, 10, i2p);

            iops_str[0] = num2str(iops[0], 4, 1, 0);
            iops_str[1] = num2str(iops[1], 4, 1, 0);

            l = printf(": [%s] [%s] [%s/%s /s] [%s/%s iops] [eta %s]",
                         run_str, perc_str, rate_str[0], rate_str[1], 
                         iops_str[0], iops_str[1], eta_str);
            if (l >= 0 && l < linelen_last)
                  printf("%*s", linelen_last - l, "");
            linelen_last = l;

            free(rate_str[0]);
            free(rate_str[1]);
            free(iops_str[0]);
            free(iops_str[1]);
      }
      printf("\r");
      fflush(stdout);
}

void print_status_init(int thread_number)
{
      run_str[thread_number] = 'P';
}

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