Add script for power levels

apps/nvidia-gpu-exporter/setpowerlevel.sh

@@ -0,0 +1,16 @@
+#!/bin/bash
+
+if ! test -f $1; then
+ exit 0
+fi
+
+count=$(yq '.limits | length' $1)
+eval "$(yq -o=shell $1)"
+
+for i in $(seq 0 $((count-1)));
+do
+ pl=limits_$i
+ nvidia-smi -i $i -pl ${!pl}
+done
+
+sleep infinity