dotfiles/examples/statusbar items - C sources/cpu.c

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2021-09-07 20:53:41 +00:00
#include <stdio.h>
#include <unistd.h>
int main(void)
{
long double a[4], b[4], loadavg;
FILE *fp;
fp = fopen("/proc/stat","r");
fscanf(fp,"%*s %Lf %Lf %Lf %Lf",&a[0],&a[1],&a[2],&a[3]);
fclose(fp);
sleep(1);
fp = fopen("/proc/stat","r");
fscanf(fp,"%*s %Lf %Lf %Lf %Lf",&b[0],&b[1],&b[2],&b[3]);
fclose(fp);
loadavg = ((b[0]+b[1]+b[2]) - (a[0]+a[1]+a[2])) / ((b[0]+b[1]+b[2]+b[3]) - (a[0]+a[1]+a[2]+a[3]));
printf("%*d\n",3,(int)(loadavg*100));
return(0);
}