pkill -SIGINT dstat; 
pkill -9 dstat; 
pkill -9 iostat; 
ps aux | grep capture_metrics.sh | awk 'NR==1{print $2}' | xargs kill -9
ps aux | grep dstat | awk 'NR==1{print $2}' | xargs kill -9
sleep 5
ps aux | grep ucevent | awk 'NR==1{print $2}' | xargs kill -9
pkill -9 perf
pkill -9 sleep
#sync; echo 3 > /proc/sys/vm/drop_caches