AMD CPU超频

安装依赖CPU设置性能模式核不进入C2状态查看CPU运行频率

安装依赖

apt install linux-tools-common -y

CPU设置性能模式

查看CPU频率

cpupower frequency-info

ondemand 模式动态调整CPU频率设置CPU为性能模式

cpupower frequency-set -g performance

cpupower frequency-info

查看当前CPU模式

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

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

核不进入C2状态

# cpupower idle-infoCPUidle driver: acpi_idleCPUidle governor: menuanalyzing CPU 0:Number of idle states: 3Available idle states: POLL C1 C2POLL:Flags/Description: CPUIDLE CORE POLL IDLELatency: 0Usage: 26779Duration: 183487C1:Flags/Description: ACPI FFH MWAIT 0x0Latency: 1Usage: 229742Duration: 43904696C2:Flags/Description: ACPI IOPORT 0x814Latency: 400Usage: 1468516Duration: 65156139980

报错

# cpupower idle-set –d 2Invalid or unknown argument

查看CPU运行频率

watch -d "cat /proc/cpuinfo | grep 'cpu MHz'"

参考：

ubuntu 18.04系统下CPU实时频率查看工具 cpupowerCPU优化建议使用cpupower设置CPU Performance模式C-STATE控制

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