无法自动降频,加载p4-clockmod模块后,可以手动降频。
我看到redhat的文档里写:p4-clockmod只能降频,不会降电压,要使用acpi-cpufreq模块才能同时降频和降电压。
我试过,在不加载p4-clockmod模块的情况下,加载acpi-cpufreq模块就会出错。必须先加载p4-clockmod模块后才能加载acpi-cpufreq模块。
请问同时加载p4-clockmod模块和acpi-cpufreq模块是否会造成冲突?
如果只能加载p4-clockmod模块的话,只降频不降电压对CPU是否有损害?
https://access.redhat.com/documentation ... setup.htmlWhen choosing an appropriate CPUfreq driver, always choose acpi-cpufreq over p4-clockmod. While using the p4-clockmod driver reduces the clock frequency of a CPU, it does not reduce the voltage. acpi-cpufreq, on the other hand, reduces voltage along with CPU clock frequency, allowing less power consumption and heat output for each unit reduction in performance.
https://access.redhat.com/documentation ... setup.html当选择适当的 CPUfreq 驱动程序时,总是选择 p4-clockmod 中的 acpi-cpufreq。当使用 p4-clockmod 驱动程序降低 CPU 的时钟频率时,它不会降低电压。另一方面,acpi-cpufreq 会随着 CPU 时钟频率降低电压,允许每个性能单位降低有更少电力消耗和散热。
代码: 全选
cat /sys/devices/system/cpu/cpu0/driver/cpu0/cpufreq/scaling_available_frequencies
433322 866645 1299967 1733290 2166612 2599935 3033257 3466580