Delete idle_cal.c

patch_code/idle_cal.c

-#include <stdlib.h>
-#include <stdio.h>
-#include <fcntl.h>
-#include <string.h>
-#include <unistd.h>
-#include <time.h>
-#include <limits.h>
-#include <sys/time.h>
-
-#define CPUS 4
-#define BUFFSIZE 4096
-#define HZ 100
-#define FILE_NAME "/proc/stat2" 
-
-struct cpu_info
-{
-	char name[BUFFSIZE];
-	long long value[1];
-};
-
-int main (void)
-{
-	char buf[BUFFSIZE];
-	struct cpu_info cpus[CPUS+1];
-	struct cpu_info cpus_2[CPUS+1];
-	long long sub;
-	double value;
-
-	FILE * fp = fopen(FILE_NAME, "r");
-	int i=0;
-	struct timeval start,end;
-
-
-	while(i<CPUS+1)
-	{
-		int n = fscanf(fp, "%s %lld\n" , cpus[i].name, &cpus[i].value[0]);
-		if (n<0)
-		{
-			printf("wrong");
-			return -1;
-		}
-		i+=1;
-	}
-	
-	for(int i=0; i<CPUS+1; i++)
-	{
-		printf("%s %lld\n" , cpus[i].name, cpus[i].value[0]);
-	}
-	gettimeofday(&start, NULL);
-	fflush(fp);
-	fclose(fp);
-	i=0;
-
-	sleep(2);
-	
-	FILE * fp_2 = fopen(FILE_NAME, "r");
-	while(i<CPUS+1)
-	{
-		int n = fscanf(fp_2, "%s %lld\n" , cpus_2[i].name, &cpus_2[i].value[0]);
-		if (n<0)
-		{
-			printf("wrong");
-			return -1;
-		}
-		i+=1;
-	}
-	
-	for(int i=0; i<CPUS+1; i++)
-	{
-		printf("%s %lld\n" , cpus_2[i].name, cpus_2[i].value[0]);
-	}
-	gettimeofday(&end, NULL); 
-        fclose(fp_2);
-	
-	sub =  end.tv_sec-start.tv_sec;
-	value = sub*1000000.0+end.tv_usec-start.tv_usec;
-	
-	printf("CPU idle rate %f\n", 1000000/HZ*(cpus_2[0].value[0]-cpus[0].value[0])/value);
-
-	for(int i=1; i<CPUS+1; i++)
-	{
-		printf("CPU%d idle rate %f\n", i-1, 1000000/HZ*(cpus_2[i].value[0]-cpus[i].value[0])/value);
-	}
-
-
-	printf("%f\n", value);
-	long long value_sub = cpus_2[0].value[0]-cpus[0].value[0];
-	printf("%lld %lld  %lld\n", cpus_2[0].value[0], cpus[0].value[0], value_sub);
-	printf("%ld.%06ld\n%ld.%06ld\n", start.tv_sec, start.tv_usec, end.tv_sec, end.tv_usec);
-        printf("%.0f %0.f\n", start.tv_sec*1000000.0+start.tv_usec, end.tv_sec*1000000.0+end.tv_usec);
-	
-	
-	return 0;
-}
-