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 #include "os.h"
  10
  11 static char run_str[MAX_JOBS + 1];
  12
  13 /*
  14  * Sets the status of the 'td' in the printed status map.
  15  */
  16 static void check_str_update(struct thread_data *td)
  17 {
  18         char c = run_str[td->thread_number - 1];
  19
  20         switch (td->runstate) {
  21                 case TD_REAPED:
  22                         c = '_';
  23                         break;
  24                 case TD_EXITED:
  25                         c = 'E';
  26                         break;
  27                 case TD_RUNNING:
  28                         if (td_rw(td)) {
  29                                 if (td->sequential)
  30                                         c = 'M';
  31                                 else
  32                                         c = 'm';
  33                         } else if (td_read(td)) {
  34                                 if (td->sequential)
  35                                         c = 'R';
  36                                 else
  37                                         c = 'r';
  38                         } else {
  39                                 if (td->sequential)
  40                                         c = 'W';
  41                                 else
  42                                         c = 'w';
  43                         }
  44                         break;
  45                 case TD_VERIFYING:
  46                         c = 'V';
  47                         break;
  48                 case TD_FSYNCING:
  49                         c = 'F';
  50                         break;
  51                 case TD_CREATED:
  52                         c = 'C';
  53                         break;
  54                 case TD_INITIALIZED:
  55                         c = 'I';
  56                         break;
  57                 case TD_NOT_CREATED:
  58                         c = 'P';
  59                         break;
  60                 default:
  61                         log_err("state %d\n", td->runstate);
  62         }
  63
  64         run_str[td->thread_number - 1] = c;
  65 }
  66
  67 /*
  68  * Convert seconds to a printable string.
  69  */
  70 static void eta_to_str(char *str, int eta_sec)
  71 {
  72         unsigned int d, h, m, s;
  73         static int always_d, always_h;
  74
  75         d = h = m = s = 0;
  76
  77         s = eta_sec % 60;
  78         eta_sec /= 60;
  79         m = eta_sec % 60;
  80         eta_sec /= 60;
  81         h = eta_sec % 24;
  82         eta_sec /= 24;
  83         d = eta_sec;
  84
  85         if (d || always_d) {
  86                 always_d = 1;
  87                 str += sprintf(str, "%02dd:", d);
  88         }
  89         if (h || always_h) {
  90                 always_h = 1;
  91                 str += sprintf(str, "%02dh:", h);
  92         }
  93
  94         str += sprintf(str, "%02dm:", m);
  95         str += sprintf(str, "%02ds", s);
  96 }
  97
  98 /*
  99  * Best effort calculation of the estimated pending runtime of a job.
 100  */
 101 static int thread_eta(struct thread_data *td, unsigned long elapsed)
 102 {
 103         unsigned long long bytes_total, bytes_done;
 104         unsigned int eta_sec = 0;
 105
 106         bytes_total = td->total_io_size;
 107
 108         if (td->zone_size && td->zone_skip)
 109                 bytes_total /= (td->zone_skip / td->zone_size);
 110
 111         if (td->runstate == TD_RUNNING || td->runstate == TD_VERIFYING) {
 112                 double perc;
 113
 114                 bytes_done = td->io_bytes[DDIR_READ] + td->io_bytes[DDIR_WRITE];
 115                 perc = (double) bytes_done / (double) bytes_total;
 116                 if (perc > 1.0)
 117                         perc = 1.0;
 118
 119                 eta_sec = (elapsed * (1.0 / perc)) - elapsed;
 120
 121                 if (td->timeout && eta_sec > (td->timeout - elapsed))
 122                         eta_sec = td->timeout - elapsed;
 123         } else if (td->runstate == TD_NOT_CREATED || td->runstate == TD_CREATED
 124                         || td->runstate == TD_INITIALIZED) {
 125                 int t_eta = 0, r_eta = 0;
 126
 127                 /*
 128                  * We can only guess - assume it'll run the full timeout
 129                  * if given, otherwise assume it'll run at the specified rate.
 130                  */
 131                 if (td->timeout)
 132                         t_eta = td->timeout + td->start_delay - elapsed;
 133                 if (td->rate) {
 134                         r_eta = (bytes_total / 1024) / td->rate;
 135                         r_eta += td->start_delay - elapsed;
 136                 }
 137
 138                 if (r_eta && t_eta)
 139                         eta_sec = min(r_eta, t_eta);
 140                 else if (r_eta)
 141                         eta_sec = r_eta;
 142                 else if (t_eta)
 143                         eta_sec = t_eta;
 144                 else
 145                         eta_sec = 0;
 146         } else {
 147                 /*
 148                  * thread is already done or waiting for fsync
 149                  */
 150                 eta_sec = 0;
 151         }
 152
 153         return eta_sec;
 154 }
 155
 156 /*
 157  * Print status of the jobs we know about. This includes rate estimates,
 158  * ETA, thread state, etc.
 159  */
 160 void print_thread_status(void)
 161 {
 162         unsigned long elapsed = mtime_since_genesis() / 1000;
 163         int i, nr_running, nr_pending, t_rate, m_rate, *eta_secs, eta_sec;
 164         char eta_str[32];
 165         double perc = 0.0;
 166
 167         if (temp_stall_ts || terse_output)
 168                 return;
 169
 170         eta_secs = malloc(thread_number * sizeof(int));
 171         memset(eta_secs, 0, thread_number * sizeof(int));
 172
 173         nr_pending = nr_running = t_rate = m_rate = 0;
 174         for (i = 0; i < thread_number; i++) {
 175                 struct thread_data *td = &threads[i];
 176
 177                 if (td->runstate == TD_RUNNING || td->runstate == TD_VERIFYING||
 178                     td->runstate == TD_FSYNCING) {
 179                         nr_running++;
 180                         t_rate += td->rate;
 181                         m_rate += td->ratemin;
 182                 } else if (td->runstate < TD_RUNNING)
 183                         nr_pending++;
 184
 185                 if (elapsed >= 3)
 186                         eta_secs[i] = thread_eta(td, elapsed);
 187                 else
 188                         eta_secs[i] = INT_MAX;
 189
 190                 check_str_update(td);
 191         }
 192
 193         if (exitall_on_terminate)
 194                 eta_sec = INT_MAX;
 195         else
 196                 eta_sec = 0;
 197
 198         for (i = 0; i < thread_number; i++) {
 199                 if (exitall_on_terminate) {
 200                         if (eta_secs[i] < eta_sec)
 201                                 eta_sec = eta_secs[i];
 202                 } else {
 203                         if (eta_secs[i] > eta_sec)
 204                                 eta_sec = eta_secs[i];
 205                 }
 206         }
 207
 208         if (eta_sec != INT_MAX && elapsed) {
 209                 perc = (double) elapsed / (double) (elapsed + eta_sec);
 210                 eta_to_str(eta_str, eta_sec);
 211         }
 212
 213         if (!nr_running && !nr_pending)
 214                 return;
 215
 216         printf("Threads running: %d", nr_running);
 217         if (m_rate || t_rate)
 218                 printf(", commitrate %d/%dKiB/sec", t_rate, m_rate);
 219         if (eta_sec != INT_MAX && nr_running) {
 220                 perc *= 100.0;
 221                 printf(": [%s] [%3.2f%% done] [eta %s]", run_str, perc,eta_str);
 222         }
 223         printf("\r");
 224         fflush(stdout);
 225         free(eta_secs);
 226 }
 227
 228 void print_status_init(int thread_number)
 229 {
 230         run_str[thread_number] = 'P';
 231 }