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--- linux:notes:x86_energy_perf_policy [2024/10/29 22:16] – [AC] Sean Rhone
+++ linux:notes:x86_energy_perf_policy [2025/01/21 05:11] (current) – Sean Rhone
@@ Line 1: / Line 1: @@
-====== x86_energy_perf_policy ======
+====== Information ======
-  watch --interval '0.5' grep \'cpu MHz\' '/proc/cpuinfo'
+  * ''x86_energy_perf_policy''
-  * Check
+===== Check =====
+  watch --interval '0.5' grep \'cpu MHz\' '/proc/cpuinfo'
   sudo x86_energy_perf_policy
-  * Max Performance
+===== Max Perf =====
+****
   sudo x86_energy_perf_policy --all 'performance' --turbo-enable '1' --force
@@ Line 14: / Line 18: @@
   * [[linux:distros:fedora_workstation_gnome|Fedora Workstation]]
+===== TuneD =====
+  * Automatic power-management like ''tlp''
+  * Required to remove ''tuned'' so it doesn't override below udev rule
+  sudo dnf remove 'tuned'
+  sudo dnf install 'kernel-tools'
 ===== AC =====
-  sudo mkdir -p '/etc/udev/scripts.d' && sudo -e '/etc/udev/scripts.d/ac-power.sh' && sudo restorecon -F -I -v '/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'
 <code>
@@ Line 29: / Line 42: @@
 ===== Battery =====
-  sudo mkdir -p '/etc/udev/scripts.d' && sudo -e '/etc/udev/scripts.d/battery-power.sh' && sudo restorecon -F -I -v '/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'
 <code>
@@ Line 41: / Line 54: @@
 ===== udev Rule =====
-  sudo -e '/etc/udev/rules.d/99-power.rules' && sudo restorecon -F -I -v '/etc/udev/rules.d/99-power.rules' && sudo udevadm control --reload
+  sudo -e '/etc/udev/rules.d/99-power.rules' && sudo restorecon -F -I '/etc/udev/rules.d/99-power.rules' && sudo udevadm control --reload
 <code>
 # AC
-SUBSYSTEM=="power_supply", ATTR{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"
 # Battery
-SUBSYSTEM=="power_supply", ATTR{online}=="0", 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"
 # End</code>
@@ Line 54: / Line 67: @@
 ===== Check =====
-  * 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
   sudo dmesg | grep 'MSR'
+  watch --interval '0.5' grep \'cpu MHz\' '/proc/cpuinfo'