#!/bin/bash

# based upon 'qemu' from
# 12/2010 Matthias Henze
# Lizenz: GPL v2
#
# updated for libvirtd (virsh) by
# Jonathan Mills 09/2011
#
# updated by
# Christian Burmeister 05/2015
#
# updated formating:
# Bastian Kuhn 08/2018
# 
# Update PID regexp:
# Albert Stefanov 10/2023

if which virsh >/dev/null; then
    echo '<<<qemu>>>'
    virsh list | grep -v 'State' | grep -v '^--' | grep -v '^$' | while read L
    do
            ID=$(echo $L | awk '{print $1}')
            NAME=$(echo $L | awk '{print $2}')
            STATE=$(echo $L | awk '{print $3}')
            MEM=$(virsh dominfo $NAME | grep 'Used memory' | awk '{print $3}')
            let MEM=MEM/1024
            PID=$(pgrep -f -- "/qemu-system-x86_64 .*-name guest=$NAME")
            if [ -n "$PID" ]; then
                    DATA=$(top -p $PID -n 1 -b | sed '${/^$/d}' | tail -1 | awk -- '{print $9" "$10}')
            else
                    DATA=""
            fi
            echo $ID" "$NAME" "$STATE" "$MEM" "$DATA
    done
fi