CP_INTR
cpu_states[CP_INTR] += cputime_percpu[cpu].cp_intr;
cpu_states[CP_INTR] = cputime_percpu[cpu].cp_intr;
cpu_states[CP_INTR] += cputime_percpu[n].cp_intr;
(cpu_states[CP_INTR] + lsb) * 10000 / acc);