cpu governor 확인하기

Embeded : 2019. 10. 9. 20:57

활용 가능한 가버너

# cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_governors

interactive ondemand powersave performance

 

현재 가버너

# cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor

ondemand

 

가버너 변경

echo 'GOVERNOR="performance"' | sudo tee /etc/default/cpufrequtils

 

어느 클럭에 얼만큼 유지되었는가.

# cat /sys/devices/system/cpu/cpu0/cpufreq/stats/time_in_state

100000 40

250000 618

500000 201

1000000 65

1296000 14

1536000 0

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