debug script for measuring some perf stats ..

measure.sh

#!/bin/bash
idx=0;
iterations=$2
sleeptime=$1
# If we're in L1, let's measure vhost/qemu specifically
nestedlevel=$3

echo "Nested Level: L$3" 

if [ $nestedlevel == 1 ]
then
  echo "  vhost thread(s) perf stat:"
  for c in `ps -aeT  |grep -E "vhost" | cut -c -6`; do str=$c,$str; done;
  sudo perf stat -p $str -D 50 sleep 1
  echo "  qemu thread(s) perf stat:"
  for c in `ps -aeT  |grep -E "qemu" | cut -c -6`; do str=$c,$str; done;
  sudo perf stat -p $str  -D 50  sleep 1
fi

while [ $idx -lt $iterations ]
do
  echo "--iteration $idx --"
  ss -tin

  mpstat -I CPU

  sar -n DEV -u ALL -P ALL 1 1

  idx=$[$idx+1]
  sleep $sleeptime

done