#!/bin/bash

QEMU_DEF=/home/amit/src/qemu-kvm/x86_64-softmmu/qemu-system-x86_64
QEMU_OLD_DEF=/home/amit/src/qemu/x86_64-softmmu/qemu-system-x86_64
KERNEL_DEF=/home/amit/tmp/linux-2.6/arch/x86/boot/bzImage

QEMU=${QEMU:-$QEMU_DEF}
QEMU_OLD=${QEMU_OLD:-$QEMU_OLD_DEF}
KERNEL=${KERNEL:-$KERNEL_DEF}
GUEST=/guests/f11-auto.qcow2

KERNEL="-kernel $KERNEL"
KERNELARG="-append \"root=/dev/sda2 console=tty0 console=ttyS0\""

CHARDEVS="-chardev socket,path=/tmp/amit/test0,server,nowait,id=test0 \
          -chardev socket,path=/tmp/amit/test1,server,nowait,id=test1 \
          -chardev socket,path=/tmp/amit/test2,server,nowait,id=test2 \
          -chardev socket,path=/tmp/amit/test3,server,nowait,id=test3 \
          -chardev socket,path=/tmp/amit/test4,server,nowait,id=test4"
VIRTSER="-device virtio-serial \
         -device virtconsole,chardev=test0,name=console.0 \
         -device virtserialport,chardev=test1,name=test1 \
         -device virtserialport,chardev=test2,name=test2 \
         -device virtserialport,chardev=test3,name=test3 \
         -device virtserialport,chardev=test4,name=test4"
VNC="-vnc :1"
MISCOPT="-net none -enable-kvm -m 1G -serial file:/tmp/amit/test-serial.log -monitor unix:/tmp/amit/test-monitor,server,nowait"
#KVMOPT="-smp 2"
SNAPSHOT="-snapshot"

# -- Iteration 1: new kernel, new qemu --
QEMU_OPTS="$GUEST $KERNEL $KERNELARG $CHARDEVS $VIRTSER $VNC $MISCOPT $SNAPSHOT $KVMOPT"

echo $QEMU $QEMU_OPTS

$QEMU $QEMU_OPTS &

sleep 5

> /tmp/amit/guest-big-file
> /tmp/amit/guest-csumfile
time ./auto-virtserial
pkill qemu
#exit;

# -- Iteration 2: old kernel, new qemu --
sleep 5

QEMU_OPTS="$GUEST $CHARDEVS $VIRTSER $VNC $MISCOPT $SNAPSHOT $KVMOPT"

echo $QEMU $QEMU_OPTS

$QEMU $QEMU_OPTS &

sleep 5

> /tmp/amit/guest-big-file
> /tmp/amit/guest-csumfile
time ./auto-virtserial
pkill qemu

# -- Iteration 3: new kernel, old qemu --
sleep 5

CHARDEVS=
VIRTSER="-virtioconsole unix:/tmp/amit/test0,server,nowait"

QEMU_OPTS="$GUEST $KERNEL $KERNELARG $CHARDEVS $VIRTSER $VNC $MISCOPT $SNAPSHOT"

echo $QEMU_OLD $QEMU_OPTS

$QEMU_OLD $QEMU_OPTS &

sleep 5

> /tmp/amit/guest-big-file
> /tmp/amit/guest-csumfile
time ./auto-virtserial
pkill qemu