run-measurements.sh

#!/bin/bash -ex
IMAGE=${1}
_MANIPULATE_MEGABYTES=${2}
_STRESS_MEGABYTES=${3}

FAT_IMAGE="${IMAGE}-fat_image.raw"
QEMU_MANIPULATE_SIZE=$(( 1024*1024*${_MANIPULATE_MEGABYTES:-256} ))

qemu-img snapshot -a 1  ${IMAGE}
env QEMU_MANIPULATE_SIZE=$QEMU_MANIPULATE_SIZE  ../../qemu-tmm/x86_64-softmmu/qemu-system-x86_64 -m 512M  \
        -drive file=${IMAGE},if=none,id=disk1 -device virtio-blk-pci,drive=disk1,bootindex=1   \
        -drive file=${FAT_IMAGE},if=none,id=fatdisk,snapshot -device ide-hd,drive=fatdisk,bootindex=4   \
        -serial telnet:localhost:4321,server,nowait -enable-kvm -nographic

qemu-img snapshot -c after-run-manipulate-${_MANIPULATE_MEGABYTES}-stress-${_STRESS_MEGABYTES}   ${IMAGE}


rm -rf /tmp/journal.bak/
mkdir -p /tmp/journal
mv /tmp/journal/ /tmp/journal.bak
mkdir -p /tmp/journal
virt-copy-out  -a ${IMAGE}  /var/log/journal/  /tmp/journal/
journalctl --directory=/tmp/journal/journal  --output=export --output-fields=MANIPULATED_BYTES_PCT  MESSAGE_ID=75017a97fdd044cf894e037a7fcabd78 | grep MANIPULATED_BYTES_PCT | tee -a ~/data/measurements/text-manipulate-${_MANIPULATE_MEGABYTES}-stress-${_STRESS_MEGABYTES}.txt