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, "%02ud:", d);
  88         }
  89         if (h || always_h) {
  90                 always_h = 1;
  91                 str += sprintf(str, "%02uh:", h);
  92         }
  93
  94         str += sprintf(str, "%02um:", m);
  95         str += sprintf(str, "%02us", 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 long eta_sec = 0;
 105
 106         bytes_total = td->total_io_size;
 107
 108         /*
 109          * if writing, bytes_total will be twice the size. If mixing,
 110          * assume a 50/50 split and thus bytes_total will be 50% larger.
 111          */
 112         if (td->verify) {
 113                 if (td_rw(td))
 114                         bytes_total = bytes_total * 3 / 2;
 115                 else
 116                         bytes_total <<= 1;
 117         }
 118
 119         if (td->zone_size && td->zone_skip)
 120                 bytes_total /= (td->zone_skip / td->zone_size);
 121
 122         if (td->runstate == TD_RUNNING || td->runstate == TD_VERIFYING) {
 123                 double perc;
 124
 125                 bytes_done = td->io_bytes[DDIR_READ] + td->io_bytes[DDIR_WRITE];
 126                 perc = (double) bytes_done / (double) bytes_total;
 127                 if (perc > 1.0)
 128                         perc = 1.0;
 129
 130                 eta_sec = (unsigned long) (elapsed * (1.0 / perc)) - elapsed;
 131
 132                 if (td->timeout && eta_sec > (td->timeout - elapsed))
 133                         eta_sec = td->timeout - elapsed;
 134         } else if (td->runstate == TD_NOT_CREATED || td->runstate == TD_CREATED
 135                         || td->runstate == TD_INITIALIZED) {
 136                 int t_eta = 0, r_eta = 0;
 137
 138                 /*
 139                  * We can only guess - assume it'll run the full timeout
 140                  * if given, otherwise assume it'll run at the specified rate.
 141                  */
 142                 if (td->timeout)
 143                         t_eta = td->timeout + td->start_delay - elapsed;
 144                 if (td->rate) {
 145                         r_eta = (bytes_total / 1024) / td->rate;
 146                         r_eta += td->start_delay - elapsed;
 147                 }
 148
 149                 if (r_eta && t_eta)
 150                         eta_sec = min(r_eta, t_eta);
 151                 else if (r_eta)
 152                         eta_sec = r_eta;
 153                 else if (t_eta)
 154                         eta_sec = t_eta;
 155                 else
 156                         eta_sec = 0;
 157         } else {
 158                 /*
 159                  * thread is already done or waiting for fsync
 160                  */
 161                 eta_sec = 0;
 162         }
 163
 164         return eta_sec;
 165 }
 166
 167 /*
 168  * Print status of the jobs we know about. This includes rate estimates,
 169  * ETA, thread state, etc.
 170  */
 171 void print_thread_status(void)
 172 {
 173         unsigned long elapsed = mtime_since_genesis() / 1000;
 174         int i, nr_running, nr_pending, t_rate, m_rate, *eta_secs, eta_sec;
 175         struct thread_data *td;
 176         char eta_str[32];
 177         double perc = 0.0;
 178
 179         static unsigned long long prev_io_bytes[2];
 180         static struct timeval prev_time;
 181         static unsigned int r_rate, w_rate;
 182         unsigned long long io_bytes[2];
 183         unsigned long mtime;
 184
 185         if (temp_stall_ts || terse_output)
 186                 return;
 187
 188         if (!prev_io_bytes[0] && !prev_io_bytes[1])
 189                 fill_start_time(&prev_time);
 190
 191         eta_secs = malloc(thread_number * sizeof(int));
 192         memset(eta_secs, 0, thread_number * sizeof(int));
 193
 194         io_bytes[0] = io_bytes[1] = 0;
 195         nr_pending = nr_running = t_rate = m_rate = 0;
 196         for_each_td(td, i) {
 197                 if (td->runstate == TD_RUNNING || td->runstate == TD_VERIFYING||
 198                     td->runstate == TD_FSYNCING) {
 199                         nr_running++;
 200                         t_rate += td->rate;
 201                         m_rate += td->ratemin;
 202                 } else if (td->runstate < TD_RUNNING)
 203                         nr_pending++;
 204
 205                 if (elapsed >= 3)
 206                         eta_secs[i] = thread_eta(td, elapsed);
 207                 else
 208                         eta_secs[i] = INT_MAX;
 209
 210                 check_str_update(td);
 211                 io_bytes[0] += td->io_bytes[0];
 212                 io_bytes[1] += td->io_bytes[1];
 213         }
 214
 215         if (exitall_on_terminate)
 216                 eta_sec = INT_MAX;
 217         else
 218                 eta_sec = 0;
 219
 220         for_each_td(td, i) {
 221                 if (exitall_on_terminate) {
 222                         if (eta_secs[i] < eta_sec)
 223                                 eta_sec = eta_secs[i];
 224                 } else {
 225                         if (eta_secs[i] > eta_sec)
 226                                 eta_sec = eta_secs[i];
 227                 }
 228         }
 229
 230         free(eta_secs);
 231
 232         if (eta_sec != INT_MAX && elapsed) {
 233                 perc = (double) elapsed / (double) (elapsed + eta_sec);
 234                 eta_to_str(eta_str, eta_sec);
 235         }
 236
 237         mtime = mtime_since_now(&prev_time);
 238         if (mtime > 1000) {
 239                 r_rate = (io_bytes[0] - prev_io_bytes[0]) / mtime;
 240                 w_rate = (io_bytes[1] - prev_io_bytes[1]) / mtime;
 241                 fio_gettime(&prev_time, NULL);
 242                 memcpy(prev_io_bytes, io_bytes, sizeof(io_bytes));
 243         }
 244
 245         if (!nr_running && !nr_pending)
 246                 return;
 247
 248         printf("Threads running: %d", nr_running);
 249         if (m_rate || t_rate)
 250                 printf(", commitrate %d/%dKiB/sec", t_rate, m_rate);
 251         if (eta_sec != INT_MAX && nr_running) {
 252                 perc *= 100.0;
 253                 printf(": [%s] [%3.2f%% done] [%6u/%6u kb/s] [eta %s]", run_str, perc, r_rate, w_rate, eta_str);
 254         }
 255         printf("\r");
 256         fflush(stdout);
 257 }
 258
 259 void print_status_init(int thread_number)
 260 {
 261         run_str[thread_number] = 'P';
 262 }