3 #use last CPU for host. Why not the first?
4 #many devices tend to use cpu0 by default so
6 HOST_AFFINITY=$(cd /dev/cpu; ls|grep -v '[a-z]'|sort -n|tail -1)
8 #run command on all cpus
9 for cpu in $(cd /dev/cpu; ls|grep -v '[a-z]'|sort -n);
11 #Don't run guest and host on same CPU
12 #It actually works ok if using signalling
14 (echo "$@" | grep -e "--sleep" > /dev/null) || \
15 test $HOST_AFFINITY '!=' $cpu
17 echo "GUEST AFFINITY $cpu"
18 "$@" --host-affinity $HOST_AFFINITY --guest-affinity $cpu
21 echo "NO GUEST AFFINITY"
22 "$@" --host-affinity $HOST_AFFINITY