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#!/usr/bin/env bash
##
## Copyright (c) 2010-2021 Intel Corporation
##
## Licensed under the Apache License, Version 2.0 (the "License");
## you may not use this file except in compliance with the License.
## You may obtain a copy of the License at
##
## http://www.apache.org/licenses/LICENSE-2.0
##
## Unless required by applicable law or agreed to in writing, software
## distributed under the License is distributed on an "AS IS" BASIS,
## WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
## See the License for the specific language governing permissions and
## limitations under the License.
##
## This script should run after booting: see check-prox-system-setup.service
NCPUS="$(lscpu | egrep '^CPU\(s\):' | awk '{ print $2 }')"
MAXCOREID="$((NCPUS-1))"
tuned_config="/etc/tuned/realtime-virtual-guest-variables.conf"
log_file="/opt/rapid/prox_system_setup.log"
system_ready="/opt/rapid/system_ready_for_rapid"
tuned_done="/opt/rapid/tuned_done"
after_boot_file="/opt/rapid/after_boot.sh"
tuned_and_reboot () {
echo "Applying tuned profile">>$log_file
tuned-adm profile realtime-virtual-guest
touch "$tuned_done"
echo "Rebooting...">>$log_file
reboot
exit 0
}
if [ -f "$tuned_config" ]
then
while read -r line
do
case $line in
isolated_cores=1-$MAXCOREID*)
if test ! -f "$tuned_done"; then
tuned_and_reboot
fi
if test -f "$after_boot_file"; then
echo "Executing: $after_boot_file">>$log_file
("$after_boot_file")
fi
echo "Isolated CPU(s) OK, no reboot: $line">>$log_file
## rapid scripts will wait for the system_ready file to exist
## Only then, they will be able to connect to the PROX instance
## and start the testing
touch "$system_ready"
## On some systems, we still need to use the igb_uio driver.
## Example: good performance on AWS with the ENA interface.
## Make sure that you change devbind.sh to use the preferred
## driver. vfio is the default.
modprobe uio
insmod /opt/rapid/dpdk/build/kmod/igb_uio.ko wc_activate=1
exit 0
;;
isolated_cores=*)
echo "Isolated CPU(s) NOK: $line">>$log_file
sed -i "/^isolated_cores=.*/c\isolated_cores=1-$MAXCOREID" $tuned_config
tuned_and_reboot
;;
*)
echo "$line"
;;
esac
done < "$tuned_config"
echo "isolated_cores=1-$MAXCOREID" >> $tuned_config
echo "No Isolated CPU(s) defined in config, line added: isolated_cores=1-$MAXCOREID">>$log_file
tuned_and_reboot
else
echo "$tuned_config not found.">>$log_file
fi
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