- int perc;
- static long double a[7];
- static int valid;
- long double b[7];
-
- memcpy(b, a, sizeof(b));
- if (pscanf("/proc/stat", "%*s %Lf %Lf %Lf %Lf %Lf %Lf %Lf",
- &a[0], &a[1], &a[2], &a[3], &a[4], &a[5], &a[6]) != 7) {
- return NULL;
- }
- if (!valid) {
- valid = 1;
- return NULL;
- }
-
- perc = 100 *
- ((b[0]+b[1]+b[2]+b[5]+b[6]) -
- (a[0]+a[1]+a[2]+a[5]+a[6])) /
- ((b[0]+b[1]+b[2]+b[3]+b[4]+b[5]+b[6]) -
- (a[0]+a[1]+a[2]+a[3]+a[4]+a[5]+a[6]));
-
- return bprintf("%d", perc);
- }
-
- const char *
- cpu_iowait(void)
- {
- int perc;