CPU scaling scripts don't need to be run as root any more

CHANGELOG.md

@@ -16,6 +16,7 @@ All notable changes to this project will be documented in this file.
 ### Fixed
 
 - envs: Overlay constructor spine configuration on top of default config
+- tools: CPU scaling scripts don't need to be run as root any more
 
 ## [1.3.0] - 2023/07/26
 

tools/cpufreq_ondemand

@@ -16,6 +16,8 @@
 
 set -e
 
-for x in /sys/devices/system/cpu/cpu?/cpufreq/scaling_governor; do
-    echo "ondemand" > $x
+for cpuid in 0 1 2 3; do
+    governor="/sys/devices/system/cpu/cpu${cpuid}/cpufreq/scaling_governor"
+    echo -n "CPUID ${cpuid}: "
+    echo "ondemand" | sudo tee -a ${governor}
 done

tools/cpufreq_performance

@@ -16,6 +16,8 @@
 
 set -e
 
-for x in /sys/devices/system/cpu/cpu?/cpufreq/scaling_governor; do
-    echo "performance" > $x
+for cpuid in 0 1 2 3; do
+    governor="/sys/devices/system/cpu/cpu${cpuid}/cpufreq/scaling_governor"
+    echo -n "CPUID ${cpuid}: "
+    echo "performance" | sudo tee -a ${governor}
 done