playbook/ors: move enb lte_init.sh to init-enb

playbook/roles/ors/files/init-enb

 #!/bin/bash
 
-AMARISOFT_PATH="/opt/amarisoft/$(ls -1 /opt/amarisoft | grep "^v[0-9]\{4\}-[0-9]\{2\}-[0-9]\{2\}.*[0-9]*$" | sort | tail -n1)"
-export PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:$PATH"
-
-$AMARISOFT_PATH/enb/lte_init.sh;
+# set the "performance" governor for all CPUs to have the highest
+# clock frequency
+if [ -e "/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor" ] ; then
+    CPUS0=$(ls /sys/devices/system/cpu/ | grep -oP "cpu\K\d+")
+    CPUS1=""
+    for cpu in $CPUS0 ; do
+        if [ -e "/sys/devices/system/cpu/cpu${cpu}/online" ] ; then
+            if [ "$(cat /sys/devices/system/cpu/cpu${cpu}/online)" = "0" ] ; then continue; fi
+        fi
+        CPUS1="$CPUS1 $cpu"
+    done
+    echo "Set performance scaling governor for cpus$CPUS1"
+    for cpu in $CPUS1 ; do
+        echo performance > /sys/devices/system/cpu/cpu${cpu}/cpufreq/scaling_governor
+    done
+fi

playbook/roles/ors/tasks/main.yml

@@ -189,6 +189,11 @@
   - name: Add kernel parameter
     script: configure-grub
 
+# eNB performance
+
+  - name: Disable ondemand service (changes CPU governor)
+    systemd: name=ondemand.service enabled=no state=stopped
+
 # SSH
 
   - name: Configure ssh