统信桌面操作系统专业版V20（1070）
Linux uos 5.10.97-arm64-desktop
uos基础 rate_limit_us 查看CPU调频器的调度间隔
root@uos:/sys/devices/system/cpu/cpufreq/policy2# cd schedutil/
root@uos:/sys/devices/system/cpu/cpufreq/policy2/schedutil# ls
above_hispeed_delay fast_ramp_down hispeed_freq rate_limit_us
boostpulse fast_ramp_up io_is_busy target_loads
boostpulse_duration freq_dec_notify iowait_boost_step timer_slack
ed_new_task_running_duration freq_inc_notify iowait_upper_limit top_task_hist_size
ed_task_running_duration freq_reporting_policy min_sample_time top_task_stats_empty_window
ed_task_waiting_duration go_hispeed_load overload_duration top_task_stats_policy
root@uos:/sys/devices/system/cpu/cpufreq/policy2/schedutil# cat rate_limit_us
10000
