time_meas.c 1.66 KB
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#include <stdio.h>
#include "time_meas.h"
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#include <math.h>
#include <unistd.h>
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// global var for openair performance profiler 
int opp_enabled = 0;
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/*
double get_cpu_freq_GHz(void) {
  
    time_stats_t ts;
    reset_meas(&ts);
    start_meas(&ts);
    sleep(1);
    stop_meas(&ts);
    return (double)ts.diff/1000000000;
}*/
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void print_meas(time_stats_t *ts, const char* name, time_stats_t * total_exec_time, time_stats_t * sf_exec_time){

  if (opp_enabled) {
    
    static int first_time = 0;
    static double cpu_freq_GHz = 0.0;
    
    if (cpu_freq_GHz == 0.0)
      cpu_freq_GHz = get_cpu_freq_GHz();
    
    if (first_time == 0) {
      first_time=1;
      fprintf(stderr, "%25s  %25s  %25s  %20s %15s %6f\n","Name","Total","Average/Frame","Trials","CPU_F_GHz", cpu_freq_GHz);
    }
    if (ts->trials>0) {
      //printf("%20s: total: %10.3f ms, average: %10.3f us (%10d trials)\n", name, ts->diff/cpu_freq_GHz/1000000.0, ts->diff/ts->trials/cpu_freq_GHz/1000.0, ts->trials);
     
      fprintf(stderr, "%25s:  %15.3f ms (%5.2f%); %15.3f us (%5.2f%); %15d;\n", 
	      name, 
	      (ts->diff/cpu_freq_GHz/1000000.0), 
	      ((ts->diff/cpu_freq_GHz/1000000.0)/(total_exec_time->diff/cpu_freq_GHz/1000000.0))*100,  // percentage 
	      (ts->diff/ts->trials/cpu_freq_GHz/1000.0), 
	      ((ts->diff/ts->trials/cpu_freq_GHz/1000.0)/(sf_exec_time->diff/sf_exec_time->trials/cpu_freq_GHz/1000.0))*100,  // percentage 
	      ts->trials);
    }
  }
  
}
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double get_time_meas_us(time_stats_t *ts){

 static double cpu_freq_GHz = 0.0;
    
 if (cpu_freq_GHz == 0.0)
   cpu_freq_GHz = get_cpu_freq_GHz();
   
 if (ts->trials>0) 
   return  (ts->diff/ts->trials/cpu_freq_GHz/1000.0);
 
}