Add host environment setup scripts

[kvmfornfv.git] / ci / envs / host-setup0.sh

diff --git a/ci/envs/host-setup0.sh b/ci/envs/host-setup0.sh
new file mode 100755 (executable)
index 0000000..eeb91c1
--- /dev/null
+++ b/ci/envs/host-setup0.sh
@@ -0,0 +1,76 @@
+#!/bin/bash
+
+##############################################################################
+## Copyright (c) 2015 Intel Corp.
+##
+## All rights reserved. This program and the accompanying materials
+## are made available under the terms of the Apache License, Version 2.0
+## which accompanies this distribution, and is available at
+## http://www.apache.org/licenses/LICENSE-2.0
+###############################################################################
+
+source host-config
+
+rpmdir=${1:-"/root/workspace/rpm/"}
+rpmpat="kernel-4.1*.rpm"
+
+config_grub () {
+    key=$1
+    val=$2
+
+    if  grep '[" ]'${key} /etc/default/grub > /dev/null ; then
+        sed -i  's/\([" ]\)'${key}'=[^ "]*/\1'${key}'='${val}'/' /etc/default/grub
+    else
+        sed -i 's/GRUB_CMDLINE_LINUX="\(.*\)"/GRUB_CMDLINE_LINUX="\1 '${key}'='${val}'"/' /etc/default/grub
+    fi
+}
+
+# The script's caller should passing the rpm directory that is built out from 
+# build.sh. The default rpmdir is the one used by yardstick scripts.
+install_kernel () {
+    # Install the kernel rpm
+    filenum=`ls -l ${rpmdir}/${rpmpat} |wc -l`
+    if [ $filenum -eq 0 ]
+    then
+       echo "No kernel rpm found in workspace/rpm"
+       exit 1
+    elif [ $filenum -gt 1 ]
+    then
+       echo "Multiple kernel rpm found in workspace/rpm"
+       exit 1
+    else
+       krpm=`find "${rpmdir}" -name "${rpmpat}"`
+       rpm -ihv $krpm
+    fi
+}
+
+# Isolate CPUs from the general scheduler
+config_grub 'isolcpus' ${host_isolcpus}
+
+# Stop timer ticks on isolated CPUs whenever possible
+config_grub 'nohz_full' ${host_isolcpus}
+
+# Do not call RCU callbacks on isolated CPUs
+config_grub 'rcu_nocbs' ${host_isolcpus}
+
+# Enable intel iommu driver and disable DMA translation for devices
+config_grub 'iommu' 'pt'
+config_grub 'intel_iommu' 'on'
+
+# Set HugeTLB pages to 1GB
+config_grub 'default_hugepagesz' '1G'
+config_grub 'hugepagesz' '1G'
+
+# Disable machine check
+config_grub 'mce' 'off'
+
+## Use polling idle loop to improve performance
+config_grub 'idle' 'poll'
+
+## Disable clocksource verification at runtime
+config_grub 'tsc' 'reliable'
+
+sed -i s/GRUB_DEFAULT=saved/GRUB_DEFAULT=0/ /etc/default/grub
+grub2-mkconfig -o /boot/grub2/grub.cfg
+
+install_kernel