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#!/bin/bash
##############################################################################
## Copyright (c) 2015 Intel Corp.
##
## All rights reserved. This program and the accompanying materials
## are made available under the terms of the Apache License, Version 2.0
## which accompanies this distribution, and is available at
## http://www.apache.org/licenses/LICENSE-2.0
###############################################################################
source host-config
cpumask () {
m=$((1<<${1}))
printf 0x%x ${m}
}
qmp_sock="/tmp/qmp-sock-$$"
${qemu} -smp ${guest_cpus} -monitor unix:${qmp_sock},server,nowait -daemonize \
-cpu host,migratable=off,+invtsc,+tsc-deadline,pmu=off \
-realtime mlock=on -mem-prealloc -enable-kvm -m 1G \
-mem-path /mnt/hugetlbfs-1g \
-drive file=/root/workspace/image/guest.img,cache=none,aio=threads \
-netdev user,id=guest0,hostfwd=tcp::5555-:22 \
-device virtio-net-pci,netdev=guest0 \
-nographic -serial /dev/null -parallel /dev/null
i=0
for c in `echo ${host_isolcpus} | sed 's/,/ /g'` ; do
cpu[$i]=${c}
i=`expr $i + 1`
done
threads=`echo "info cpus" | nc -U ${qmp_sock} | grep thread_id | cut -d= -f3`
# Bind QEMU processor threads to RT CPUs
i=0
for tid in ${threads} ; do
tid=`printf %d ${tid}` # this is required to get rid of cr at end
mask=`cpumask ${cpu[$i]}`
taskset -p ${mask} ${tid}
i=`expr $i + 1`
done
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