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Noctua NH-U9S Performance For The AMD Ryzen 9 3950X + Ondemand vs. Performance Governors

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  • #21
    Originally posted by atomsymbol View Post

    Are you sure you have frequency scaling enabled in BIOS and in kernel config?
    I'd have to double check the BIOS, but seems OK to me (albeit built as modules).

    Code:
    % zgrep -i freq /proc/config.gz
    CONFIG_ACPI_CPU_FREQ_PSS=y
    # CPU Frequency scaling
    CONFIG_CPU_FREQ=y
    CONFIG_CPU_FREQ_GOV_ATTR_SET=y
    CONFIG_CPU_FREQ_GOV_COMMON=y
    CONFIG_CPU_FREQ_STAT=y
    # CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE is not set
    # CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE is not set
    # CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE is not set
    # CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND is not set
    # CONFIG_CPU_FREQ_DEFAULT_GOV_CONSERVATIVE is not set
    CONFIG_CPU_FREQ_DEFAULT_GOV_SCHEDUTIL=y
    CONFIG_CPU_FREQ_GOV_PERFORMANCE=y
    CONFIG_CPU_FREQ_GOV_POWERSAVE=m
    CONFIG_CPU_FREQ_GOV_USERSPACE=m
    CONFIG_CPU_FREQ_GOV_ONDEMAND=m
    CONFIG_CPU_FREQ_GOV_CONSERVATIVE=m
    CONFIG_CPU_FREQ_GOV_SCHEDUTIL=y
    # CPU frequency scaling drivers
    CONFIG_CPUFREQ_DT=m
    CONFIG_CPUFREQ_DT_PLATDEV=y
    CONFIG_X86_PCC_CPUFREQ=m
    CONFIG_X86_ACPI_CPUFREQ=m
    CONFIG_X86_ACPI_CPUFREQ_CPB=y
    CONFIG_X86_AMD_FREQ_SENSITIVITY=m
    # end of CPU Frequency scaling
    CONFIG_DEVFREQ_THERMAL=y
    CONFIG_PM_DEVFREQ=y
    # DEVFREQ Governors
    CONFIG_DEVFREQ_GOV_SIMPLE_ONDEMAND=m
    CONFIG_DEVFREQ_GOV_PERFORMANCE=m
    CONFIG_DEVFREQ_GOV_POWERSAVE=m
    CONFIG_DEVFREQ_GOV_USERSPACE=m
    CONFIG_DEVFREQ_GOV_PASSIVE=m
    # DEVFREQ Drivers
    CONFIG_PM_DEVFREQ_EVENT=y
    # Frequency Synthesizers DDS/PLL
    # Phase-Locked Loop (PLL) frequency synthesizers
    # end of Phase-Locked Loop (PLL) frequency synthesizers
    # end of Frequency Synthesizers DDS/PLL

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