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#!/bin/sh
#use last CPU for host. Why not the first?
#many devices tend to use cpu0 by default so
#it tends to be busier
HOST_AFFINITY=$(cd /dev/cpu; ls|grep -v '[a-z]'|sort -n|tail -1)
#run command on all cpus
for cpu in $(cd /dev/cpu; ls|grep -v '[a-z]'|sort -n);
do
#Don't run guest and host on same CPU
#It actually works ok if using signalling
if
(echo "$@" | grep -e "--sleep" > /dev/null) || \
test $HOST_AFFINITY '!=' $cpu
then
echo "GUEST AFFINITY $cpu"
"$@" --host-affinity $HOST_AFFINITY --guest-affinity $cpu
fi
done
echo "NO GUEST AFFINITY"
"$@" --host-affinity $HOST_AFFINITY
echo "NO AFFINITY"
"$@"
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