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