CPUTIME_IDLE
nsecs_to_jiffies(kcpustat_cpu(i).cpustat[CPUTIME_IDLE]);
retval = kcpustat->cpustat[CPUTIME_IDLE] +
idle = kcs->cpustat[CPUTIME_IDLE];
cpustat[CPUTIME_IDLE] += cputime;
CPUTIME_IDLE,