Server : Apache/2.4.41 (Ubuntu) System : Linux absol.cf 5.4.0-198-generic #218-Ubuntu SMP Fri Sep 27 20:18:53 UTC 2024 x86_64 User : www-data ( 33) PHP Version : 7.4.33 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, Directory :  /lib/modules/5.4.0-198-generic/build/tools/virtio/ringtest/

Upload File : current_dir [ Writeable ] document_root [ Writeable ]

#!/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 $HOST_AFFINITY
echo "NO AFFINITY"
"$@"