#!/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/minimal-centos1.qcow2,cache=none,aio=threads \ # -netdev user,id=guest0,hostfwd=tcp:10.2.117.23:5555-:22 \ # -device virtio-net-pci,netdev=guest0 \ # -nographic -serial /dev/null -parallel /dev/null ${qemu} -smp ${guest_cpus} -drive file=/root/guest1.qcow2 -daemonize \ -netdev user,id=net0,hostfwd=tcp:10.2.117.23:5555-:22 \ -realtime mlock=on -mem-prealloc -enable-kvm -m 1G \ -mem-path /mnt/hugetlbfs-1g \ -device virtio-net-pci,netdev=net0 \ 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