| Server IP : 178.128.116.179 / Your IP : 216.73.216.247 Web Server : nginx/1.30.3 System : Linux glamautowash 6.8.0-71-generic #71-Ubuntu SMP PREEMPT_DYNAMIC Tue Jul 22 16:52:38 UTC 2025 x86_64 User : root ( 0) PHP Version : 8.4.22 Disable Function : NONE MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : ON | Pkexec : OFF Directory : /usr/src/linux-headers-6.8.0-71/tools/virtio/ringtest/ |
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#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
CPUS_ONLINE=$(lscpu --online -p=cpu|grep -v -e '#')
#use last CPU for host. Why not the first?
#many devices tend to use cpu0 by default so
#it tends to be busier
HOST_AFFINITY=$(echo "${CPUS_ONLINE}"|tail -n 1)
#run command on all cpus
for cpu in $CPUS_ONLINE
do
#Don't run guest and host on same CPU
#It actually works ok if using signalling
if
(echo "$@" | 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 $HOST_AFFINITY
echo "NO AFFINITY"
"$@"