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| linux:notes:x86_energy_perf_policy [2024/12/24 23:46] – Sean Rhone | linux:notes:x86_energy_perf_policy [2025/01/21 05:11] (current) – Sean Rhone |
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| ====== x86_energy_perf_policy ====== | ====== Information ====== |
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| watch --interval '0.5' grep \'cpu MHz\' '/proc/cpuinfo' | * ''x86_energy_perf_policy'' |
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| * Check | ===== Check ===== |
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| | watch --interval '0.5' grep \'cpu MHz\' '/proc/cpuinfo' |
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| sudo x86_energy_perf_policy | sudo x86_energy_perf_policy |
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| * Max Performance | ===== Max Perf ===== |
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| | **** |
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| sudo x86_energy_perf_policy --all 'performance' --turbo-enable '1' --force | sudo x86_energy_perf_policy --all 'performance' --turbo-enable '1' --force |
| ====== Scripts ====== | ====== Scripts ====== |
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| * [[linux:distros:ubuntu|Ubuntu]] | * [[linux:distros:fedora_workstation_gnome|Fedora Workstation]] |
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| ===== GNOME Power Management ===== | ===== TuneD ===== |
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| * Automatic power-management like ''tlp'' | * Automatic power-management like ''tlp'' |
| * Required to remove so it doesn't override below udev rule | * Required to remove ''tuned'' so it doesn't override below udev rule |
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| sudo apt remove power-profiles-daemon gnome-power-manager | sudo dnf remove 'tuned' |
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| | sudo dnf install 'kernel-tools' |
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| ===== AC ===== | ===== AC ===== |
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| sudo mkdir -p '/etc/udev/scripts.d' && sudo -e '/etc/udev/scripts.d/ac-power.sh' && sudo chmod +x '/etc/udev/scripts.d/ac-power.sh' | sudo mkdir -p '/etc/udev/scripts.d' && sudo -e '/etc/udev/scripts.d/ac-power.sh' && sudo restorecon -F -I '/etc/udev/scripts.d/ac-power.sh' && sudo chmod +x '/etc/udev/scripts.d/ac-power.sh' |
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| <code> | <code> |
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| # End</code> | # End</code> |
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| '/etc/udev/scripts.d/ac-power.sh' | |
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| ===== Battery ===== | ===== Battery ===== |
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| sudo mkdir -p '/etc/udev/scripts.d' && sudo -e '/etc/udev/scripts.d/battery-power.sh' && sudo chmod +x '/etc/udev/scripts.d/battery-power.sh' | sudo mkdir -p '/etc/udev/scripts.d' && sudo -e '/etc/udev/scripts.d/battery-power.sh' && sudo restorecon -F -I '/etc/udev/scripts.d/battery-power.sh' && sudo chmod +x '/etc/udev/scripts.d/battery-power.sh' |
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| <code> | <code> |
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| # End</code> | # End</code> |
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| '/etc/udev/scripts.d/battery-power.sh' | |
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| ===== udev Rule ===== | ===== udev Rule ===== |
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| * TODO: Specify on main AC ((this sets battery rule with AC in but USB-C hub un-powered)) | sudo -e '/etc/udev/rules.d/99-power.rules' && sudo restorecon -F -I '/etc/udev/rules.d/99-power.rules' && sudo udevadm control --reload |
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| sudo -e '/etc/udev/rules.d/99-power.rules' && sudo udevadm control --reload | |
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| <code> | <code> |
| # AC | # AC |
| ACTION=="change", SUBSYSTEM=="power_supply", ATTRS{type}=="Mains", ATTRS{online}=="1", RUN+="/etc/udev/scripts.d/ac-power.sh" | ACTION=="add|change", SUBSYSTEM=="power_supply", ATTRS{type}=="Mains", ATTRS{online}=="1", RUN+="/etc/udev/scripts.d/ac-power.sh" |
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| # Battery | # Battery |
| ACTION=="change", SUBSYSTEM=="power_supply", ATTRS{type}=="Battery", ATTRS{status}=="Discharging", RUN+="/etc/udev/scripts.d/battery-power.sh" | ACTION=="add|change", SUBSYSTEM=="power_supply", ATTRS{type}=="Mains", ATTRS{online}=="0", RUN+="/etc/udev/scripts.d/battery-power.sh" |
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| # End</code> | # End</code> |
| ===== Check ===== | ===== Check ===== |
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| * If plugged-in, should report something like ''Write to unrecognized MSR 0x770 by x86_energy_perf'' 1-second/early boot | * Should report something like ''Write to unrecognized MSR 0x770 by x86_energy_perf'' early boot and on AC hot-plug |
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| sudo dmesg | grep 'MSR' | sudo dmesg | grep 'MSR' |
