get_cpu_idle_time_us 141 drivers/cpufreq/cpufreq.c u64 idle_time = get_cpu_idle_time_us(cpu, io_busy ? wall : NULL); get_cpu_idle_time_us 365 drivers/cpufreq/cpufreq_ondemand.c idle_time = get_cpu_idle_time_us(cpu, NULL); get_cpu_idle_time_us 53 fs/proc/stat.c idle_usecs = get_cpu_idle_time_us(cpu, NULL); get_cpu_idle_time_us 135 include/linux/tick.h extern u64 get_cpu_idle_time_us(int cpu, u64 *last_update_time); get_cpu_idle_time_us 591 kernel/time/tick-sched.c EXPORT_SYMBOL_GPL(get_cpu_idle_time_us);