/
usr
/
src
/
linux-headers-5.15.0-181
/
tools
/
virtio
/
ringtest
/
/usr/src/linux-headers-5.15.0-181/tools/virtio/ringtest
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Makefile
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run-on-all.sh
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/usr/src/linux-headers-5.15.0-181/tools/virtio/ringtest/run-on-all.sh
(670B)
#!/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 $HOST_AFFINITY echo "NO AFFINITY" "$@"
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