1#!/bin/sh
2
3CPUS_ONLINE=$(lscpu --online -p=cpu|grep -v -e '#')
4#use last CPU for host. Why not the first?
5#many devices tend to use cpu0 by default so
6#it tends to be busier
7HOST_AFFINITY=$(echo "${CPUS_ONLINE}"|tail -n 1)
8
9#run command on all cpus
10for cpu in $CPUS_ONLINE
11do
12	#Don't run guest and host on same CPU
13	#It actually works ok if using signalling
14	if
15		(echo "$@" | grep -e "--sleep" > /dev/null) || \
16			test $HOST_AFFINITY '!=' $cpu
17	then
18		echo "GUEST AFFINITY $cpu"
19		"$@" --host-affinity $HOST_AFFINITY --guest-affinity $cpu
20	fi
21done
22echo "NO GUEST AFFINITY"
23"$@" --host-affinity $HOST_AFFINITY
24echo "NO AFFINITY"
25"$@"
26