compute_delta
static u64 arch_cpu_idle_time(int cpu, enum cpu_usage_stat idx, bool compute_delta)
if (compute_delta)
bool compute_delta, u64 now)
if (kc->idle_elapse && compute_delta && now > kc->idle_entrytime) {
bool compute_delta, ktime_t now)
bool compute_delta, u64 *last_update_time)
res = kcpustat_field_dyntick(cpu, idx, compute_delta, now);
diff = compute_delta(he, pair);
diff = compute_delta(he, pair);
compute_delta(he, pair);