1 files changed, 25 insertions, 0 deletions
diff --git a/etc/governor.sh b/etc/governor.sh
new file mode 100755
index 000000000..caabb9da8
--- /dev/null
+++ b/etc/governor.sh
@@ -0,0 +1,25 @@
+#!/bin/sh
+set -eu
+
+usage() {
+  generators="$1"
+  echo "USAGE: $0 <$(echo "$generators" | tr ' ' '|')>"
+  exit 111
+}
+
+
+for cpu in "/sys/devices/system/cpu/cpu"[0-9]* ; do
+  if grep -vq '^1$' "$cpu/online" 2>/dev/null; then
+    continue
+  fi
+  generators="$(cat "$cpu/cpufreq/scaling_available_governors")"
+  if [ "$#" -eq 0 ] || [ -z "$1" ]; then
+    usage "$generators"
+  elif (echo -n "$generators" | tr ' ' '\n' | grep -q "^$1\$" 2>/dev/null); then
+    if grep -vq "^$1\$" "$cpu/cpufreq/scaling_governor" 2>/dev/null; then
+      echo "$1" > "$cpu/cpufreq/scaling_governor"
+    fi
+  else
+    usage "$generators"
+  fi
+done