87 lines
2.7 KiB
Bash
87 lines
2.7 KiB
Bash
|
#!/bin/bash
|
||
|
|
#
|
||
|
|
# Copyright 2021-2025 Software Radio Systems Limited
|
||
|
|
#
|
||
|
|
# This file is part of srsRAN
|
||
|
|
#
|
||
|
|
# srsRAN is free software: you can redistribute it and/or modify
|
||
|
|
# it under the terms of the GNU Affero General Public License as
|
||
|
|
# published by the Free Software Foundation, either version 3 of
|
||
|
|
# the License, or (at your option) any later version.
|
||
|
|
#
|
||
|
|
# srsRAN is distributed in the hope that it will be useful,
|
||
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
# GNU Affero General Public License for more details.
|
||
|
|
#
|
||
|
|
# A copy of the GNU Affero General Public License can be found in
|
||
|
|
# the LICENSE file in the top-level directory of this distribution
|
||
|
|
# and at http://www.gnu.org/licenses/.
|
||
|
|
#
|
||
|
|
|
||
|
|
#
|
||
|
|
# This script attempts to automate some typical troubleshooting
|
||
|
|
# when using machines with lower processing power.
|
||
|
|
#
|
||
|
|
# It does the following:
|
||
|
|
# 1. Set the scaling governor to performance
|
||
|
|
# 2. Disable DRM KMS polling
|
||
|
|
# 3. Tune network buffers (Ethernet based USRPs only).
|
||
|
|
#
|
||
|
|
|
||
|
|
set -o errexit
|
||
|
|
set -o nounset
|
||
|
|
set -o pipefail
|
||
|
|
|
||
|
|
#
|
||
|
|
# Set the scaling governor to performance.
|
||
|
|
# See: https://docs.kernel.org/admin-guide/pm/cpufreq.html#generic-scaling-governors
|
||
|
|
#
|
||
|
|
set_performance_governor() {
|
||
|
|
read -e -p "Would you like to set the CPU governor to performance: [Y/n]: " choice
|
||
|
|
if ! [[ "$choice" == [Yy]* || "$choice" == "" ]]; then
|
||
|
|
echo "Did not set scaling governor"
|
||
|
|
return
|
||
|
|
fi
|
||
|
|
echo performance | sudo tee /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor >/dev/null
|
||
|
|
echo "Scaling governor set to performance"
|
||
|
|
}
|
||
|
|
|
||
|
|
#
|
||
|
|
# DRM KMS polling can sometimes be expensive. Disabling it can sometimes help performance.
|
||
|
|
# See: https://wiki.archlinux.org/title/kernel_mode_setting#Problem_upon_bootloading_and_dmesg
|
||
|
|
#
|
||
|
|
set_kms_polling() {
|
||
|
|
read -e -p "Would you like to disable KMS polling: [Y/n]: " choice
|
||
|
|
if ! [[ "$choice" == [Yy]* || "$choice" == "" ]]; then
|
||
|
|
echo "Did not disable KMS polling"
|
||
|
|
return
|
||
|
|
fi
|
||
|
|
echo N | sudo tee /sys/module/drm_kms_helper/parameters/poll >/dev/null
|
||
|
|
echo "Disabled DRM KMS polling"
|
||
|
|
}
|
||
|
|
|
||
|
|
#
|
||
|
|
# Set network buffer size, for USRPs connected over Ethernet.
|
||
|
|
# See: https://kb.ettus.com/USRP_Host_Performance_Tuning_Tips_and_Tricks
|
||
|
|
#
|
||
|
|
set_network_buffers() {
|
||
|
|
read -e -p "Would you like to tweak the network buffer sizes: [Y/n]: " choice
|
||
|
|
if ! [[ "$choice" == [Yy]* || "$choice" == "" ]]; then
|
||
|
|
echo "Did not tweak network buffer sizes"
|
||
|
|
return
|
||
|
|
fi
|
||
|
|
sudo sysctl -w net.core.wmem_max=33554432
|
||
|
|
sudo sysctl -w net.core.rmem_max=33554432
|
||
|
|
sudo sysctl -w net.core.wmem_default=33554432
|
||
|
|
sudo sysctl -w net.core.rmem_default=33554432
|
||
|
|
echo "Tweaked network buffer sizes"
|
||
|
|
}
|
||
|
|
|
||
|
|
#Check for sudo rights
|
||
|
|
sudo -v || exit
|
||
|
|
|
||
|
|
set_performance_governor
|
||
|
|
set_kms_polling
|
||
|
|
set_network_buffers
|