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_random(td))
  30                                         c = 'm';
  31                                 else
  32                                         c = 'M';
  33                         } else if (td_read(td)) {
  34                                 if (td_random(td))
  35                                         c = 'r';
  36                                 else
  37                                         c = 'R';
  38                         } else {
  39                                 if (td_random(td))
  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         int disp_hour = 0;
  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) {
  86                 disp_hour = 1;
  87                 str += sprintf(str, "%02ud:", d);
  88         }
  89
  90         if (h || disp_hour)
  91                 str += sprintf(str, "%02uh:", h);
  92
  93         str += sprintf(str, "%02um:", m);
  94         str += sprintf(str, "%02us", s);
  95 }
  96
  97 /*
  98  * Best effort calculation of the estimated pending runtime of a job.
  99  */
 100 static int thread_eta(struct thread_data *td, unsigned long elapsed)
 101 {
 102         unsigned long long bytes_total, bytes_done;
 103         unsigned long eta_sec = 0;
 104
 105         bytes_total = td->total_io_size;
 106
 107         /*
 108          * if writing, bytes_total will be twice the size. If mixing,
 109          * assume a 50/50 split and thus bytes_total will be 50% larger.
 110          */
 111         if (td->verify) {
 112                 if (td_rw(td))
 113                         bytes_total = bytes_total * 3 / 2;
 114                 else
 115                         bytes_total <<= 1;
 116         }
 117
 118         if (td->zone_size && td->zone_skip)
 119                 bytes_total /= (td->zone_skip / td->zone_size);
 120
 121         if (td->runstate == TD_RUNNING || td->runstate == TD_VERIFYING) {
 122                 double perc;
 123
 124                 bytes_done = td->io_bytes[DDIR_READ] + td->io_bytes[DDIR_WRITE];
 125                 perc = (double) bytes_done / (double) bytes_total;
 126                 if (perc > 1.0)
 127                         perc = 1.0;
 128
 129                 eta_sec = (unsigned long) (elapsed * (1.0 / perc)) - elapsed;
 130
 131                 if (td->timeout && eta_sec > (td->timeout - elapsed))
 132                         eta_sec = td->timeout - elapsed;
 133         } else if (td->runstate == TD_NOT_CREATED || td->runstate == TD_CREATED
 134                         || td->runstate == TD_INITIALIZED) {
 135                 int t_eta = 0, r_eta = 0;
 136
 137                 /*
 138                  * We can only guess - assume it'll run the full timeout
 139                  * if given, otherwise assume it'll run at the specified rate.
 140                  */
 141                 if (td->timeout)
 142                         t_eta = td->timeout + td->start_delay - elapsed;
 143                 if (td->rate) {
 144                         r_eta = (bytes_total / 1024) / td->rate;
 145                         r_eta += td->start_delay - elapsed;
 146                 }
 147
 148                 if (r_eta && t_eta)
 149                         eta_sec = min(r_eta, t_eta);
 150                 else if (r_eta)
 151                         eta_sec = r_eta;
 152                 else if (t_eta)
 153                         eta_sec = t_eta;
 154                 else
 155                         eta_sec = 0;
 156         } else {
 157                 /*
 158                  * thread is already done or waiting for fsync
 159                  */
 160                 eta_sec = 0;
 161         }
 162
 163         return eta_sec;
 164 }
 165
 166 static void calc_rate(unsigned long mtime, unsigned long long *io_bytes,
 167                       unsigned long long *prev_io_bytes, unsigned int *rate)
 168 {
 169         rate[0] = (io_bytes[0] - prev_io_bytes[0]) / mtime;
 170         rate[1] = (io_bytes[1] - prev_io_bytes[1]) / mtime;
 171         prev_io_bytes[0] = io_bytes[0];
 172         prev_io_bytes[1] = io_bytes[1];
 173 }
 174
 175 /*
 176  * Print status of the jobs we know about. This includes rate estimates,
 177  * ETA, thread state, etc.
 178  */
 179 void print_thread_status(void)
 180 {
 181         unsigned long elapsed = mtime_since_genesis() / 1000;
 182         int i, nr_running, nr_pending, t_rate, m_rate, *eta_secs, eta_sec;
 183         struct thread_data *td;
 184         char eta_str[128];
 185         double perc = 0.0;
 186         unsigned long long io_bytes[2];
 187         unsigned long rate_time, disp_time, bw_avg_time;
 188         struct timeval now;
 189
 190         static unsigned long long rate_io_bytes[2];
 191         static unsigned long long disp_io_bytes[2];
 192         static struct timeval rate_prev_time, disp_prev_time;
 193         static unsigned int rate[2];
 194
 195         if (temp_stall_ts || terse_output)
 196                 return;
 197
 198         if (!rate_io_bytes[0] && !rate_io_bytes[1])
 199                 fill_start_time(&rate_prev_time);
 200         if (!disp_io_bytes[0] && !disp_io_bytes[1])
 201                 fill_start_time(&disp_prev_time);
 202
 203         eta_secs = malloc(thread_number * sizeof(int));
 204         memset(eta_secs, 0, thread_number * sizeof(int));
 205
 206         io_bytes[0] = io_bytes[1] = 0;
 207         nr_pending = nr_running = t_rate = m_rate = 0;
 208         bw_avg_time = ULONG_MAX;
 209         for_each_td(td, i) {
 210                 if (td->bw_avg_time < bw_avg_time)
 211                         bw_avg_time = td->bw_avg_time;
 212                 if (td->runstate == TD_RUNNING || td->runstate == TD_VERIFYING
 213                     || td->runstate == TD_FSYNCING) {
 214                         nr_running++;
 215                         t_rate += td->rate;
 216                         m_rate += td->ratemin;
 217                 } else if (td->runstate < TD_RUNNING)
 218                         nr_pending++;
 219
 220                 if (elapsed >= 3)
 221                         eta_secs[i] = thread_eta(td, elapsed);
 222                 else
 223                         eta_secs[i] = INT_MAX;
 224
 225                 check_str_update(td);
 226                 io_bytes[0] += td->io_bytes[0];
 227                 io_bytes[1] += td->io_bytes[1];
 228         }
 229
 230         if (exitall_on_terminate)
 231                 eta_sec = INT_MAX;
 232         else
 233                 eta_sec = 0;
 234
 235         for_each_td(td, i) {
 236                 if (exitall_on_terminate) {
 237                         if (eta_secs[i] < eta_sec)
 238                                 eta_sec = eta_secs[i];
 239                 } else {
 240                         if (eta_secs[i] > eta_sec)
 241                                 eta_sec = eta_secs[i];
 242                 }
 243         }
 244
 245         free(eta_secs);
 246
 247         if (eta_sec != INT_MAX && elapsed) {
 248                 perc = (double) elapsed / (double) (elapsed + eta_sec);
 249                 eta_to_str(eta_str, eta_sec);
 250         }
 251
 252         fio_gettime(&now, NULL);
 253         rate_time = mtime_since(&rate_prev_time, &now);
 254
 255         if (write_bw_log && rate_time> bw_avg_time) {
 256                 calc_rate(rate_time, io_bytes, rate_io_bytes, rate);
 257                 memcpy(&rate_prev_time, &now, sizeof(now));
 258                 add_agg_sample(rate[DDIR_READ], DDIR_READ);
 259                 add_agg_sample(rate[DDIR_WRITE], DDIR_WRITE);
 260         }
 261
 262         disp_time = mtime_since(&disp_prev_time, &now);
 263         if (disp_time < 1000)
 264                 return;
 265
 266         calc_rate(disp_time, io_bytes, disp_io_bytes, rate);
 267         memcpy(&disp_prev_time, &now, sizeof(now));
 268
 269         if (!nr_running && !nr_pending)
 270                 return;
 271
 272         printf("Threads: %d", nr_running);
 273         if (m_rate || t_rate)
 274                 printf(", CR=%d/%d KiB/s", t_rate, m_rate);
 275         if (eta_sec != INT_MAX && nr_running) {
 276                 perc *= 100.0;
 277                 printf(": [%s] [%3.1f%% done] [%6u/%6u kb/s] [eta %s]", run_str, perc, rate[0], rate[1], eta_str);
 278         }
 279         printf("\r");
 280         fflush(stdout);
 281 }
 282
 283 void print_status_init(int thread_number)
 284 {
 285         run_str[thread_number] = 'P';
 286 }