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| -rwxr-xr-x | ci/envs/host-run-qemu.sh | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/ci/envs/host-run-qemu.sh b/ci/envs/host-run-qemu.sh new file mode 100755 index 000000000..c7a2fecc6 --- /dev/null +++ b/ci/envs/host-run-qemu.sh @@ -0,0 +1,45 @@ +#!/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 |