chrome-gpu-assassin.sh

#!/bin/zsh

zmodload zsh/mathfunc

THRESHOLD=35

CANDIDATE=$(ps -ax -o "%p|%C|%a" | grep '/opt/google/chrome/chrome' | grep 'type=gpu-process')

if [ "$CANDIDATE" = "" ] ; then
  echo "["$(date --rfc-3339=seconds)"]: No Chrome GPU processes running."
  exit 2
  fi


PID=$(echo "$CANDIDATE" | cut -d "|" -f 1)
CPU=$(echo "$CANDIDATE" | cut -d "|" -f 2)

CPU=$((int(rint($CPU))))

if [ "$CPU" -gt "$THRESHOLD" ] ; then
    kill -9 "$PID"
    echo "["$(date --rfc-3339=seconds)"]: Killed Chrome GPU process" "$PID" "using" "$CPU" "% CPU. [Threshold was ""$THRESHOLD""%.]"
    logger "Killed Chrome GPU process" "$PID" "using" "$CPU" "% CPU. [Threshold was ""$THRESHOLD""%.]"
    exit 0
  fi

echo "["$(date --rfc-3339=seconds)"]: Didn't kill Chrome GPU process ""$PID"" using ""$CPU""% CPU. [Threshold is ""$THRESHOLD""%.]"

exit 1