[Experience sharing] uos基础 cpufreq 查看电源调度配置
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deepin
15 hours ago
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统信桌面操作系统专业版V20(1070)
Linux uos 5.10.97-arm64-desktop

uos基础 cpufreq 查看电源调度配置

root@uos:~# cd /sys/devices/system/cpu/cpufreq/

root@uos:/sys/devices/system/cpu/cpufreq# ls
policy0  policy1  policy2

root@uos:/sys/devices/system/cpu/cpufreq# cat policy0
cat: policy0: 是一个目录

root@uos:/sys/devices/system/cpu/cpufreq# cd policy0

root@uos:/sys/devices/system/cpu/cpufreq/policy0# ls
affected_cpus     cpuinfo_transition_latency     scaling_cur_freq  scaling_min_freq
cpuinfo_cur_freq  related_cpus                   scaling_driver    scaling_setspeed
cpuinfo_max_freq  scaling_available_frequencies  scaling_governor  schedutil
cpuinfo_min_freq  scaling_available_governors    scaling_max_freq  stats

root@uos:/sys/devices/system/cpu/cpufreq/policy0# cat scaling_driver 
cpufreq_hv

root@uos:/sys/devices/system/cpu/cpufreq/policy0# cd ../policy1
root@uos:/sys/devices/system/cpu/cpufreq/policy1# ls
affected_cpus     cpuinfo_transition_latency     scaling_cur_freq  scaling_min_freq
cpuinfo_cur_freq  related_cpus                   scaling_driver    scaling_setspeed
cpuinfo_max_freq  scaling_available_frequencies  scaling_governor  schedutil
cpuinfo_min_freq  scaling_available_governors    scaling_max_freq  stats
root@uos:/sys/devices/system/cpu/cpufreq/policy1# cat scaling_driver 
cpufreq_hv

root@uos:/sys/devices/system/cpu/cpufreq/policy1# cd ../policy2
root@uos:/sys/devices/system/cpu/cpufreq/policy2# ls
affected_cpus     cpuinfo_transition_latency     scaling_cur_freq  scaling_min_freq
cpuinfo_cur_freq  related_cpus                   scaling_driver    scaling_setspeed
cpuinfo_max_freq  scaling_available_frequencies  scaling_governor  schedutil
cpuinfo_min_freq  scaling_available_governors    scaling_max_freq  stats
root@uos:/sys/devices/system/cpu/cpufreq/policy2# cat scaling_driver 
cpufreq_hv
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