3 CPUS_ONLINE=$(lscpu --online -p=cpu|grep -v -e '#')
4 #use last CPU for host. Why not the first?
5 #many devices tend to use cpu0 by default so
7 HOST_AFFINITY=$(echo "${CPUS_ONLINE}"|tail -n 1)
9 #run command on all cpus
10 for cpu in $CPUS_ONLINE
12 #Don't run guest and host on same CPU
13 #It actually works ok if using signalling
15 (echo "$@" | grep -e "--sleep" > /dev/null) || \
16 test $HOST_AFFINITY '!=' $cpu
18 echo "GUEST AFFINITY $cpu"
19 "$@" --host-affinity $HOST_AFFINITY --guest-affinity $cpu
22 echo "NO GUEST AFFINITY"
23 "$@" --host-affinity $HOST_AFFINITY