fuel-plugin-ovsnfv/deployment_scripts/puppet/modules/ovsdpdk/files/tune_params.sh

   1 #!/usr/bin/env  bash
   2
   3 # Copyright (c) 2016 Open Platform for NFV Project, Inc. and its contributors
   4 #
   5 #    Licensed under the Apache License, Version 2.0 (the "License");
   6 #    you may not use this file except in compliance with the License.
   7 #    You may obtain a copy of the License at
   8 #
   9 #        http://www.apache.org/licenses/LICENSE-2.0
  10 #
  11 #    Unless required by applicable law or agreed to in writing, software
  12 #    distributed under the License is distributed on an "AS IS" BASIS,
  13 #    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14 #    See the License for the specific language governing permissions and
  15 #    limitations under the License.
  16
  17 # It adapts /etc/default/ovs-dpdk file
  18 # generated mainly from devstack/libs/ovs-dpdk
  19 # it will modify / tune variables, which are not configured directly
  20
  21 source /etc/default/ovs-dpdk
  22
  23 if [ $OVS_SOCKET_MEM == "auto" ] ; then
  24     for d in /sys/devices/system/node/node? ; do
  25         if [ $OVS_SOCKET_MEM == "auto" ]; then
  26                 OVS_SOCKET_MEM=2048
  27         else
  28                 OVS_SOCKET_MEM=$OVS_SOCKET_MEM,2048
  29         fi
  30     done
  31 fi
  32
  33 sudo sed "s#OVS_SOCKET_MEM=.*#OVS_SOCKET_MEM=$OVS_SOCKET_MEM#" -i /etc/default/ovs-dpdk
  34
  35 # Creates an array of pci addres to interface names delimeted by # e.g. <pci_address>#<interface name>
  36 PAIRS=( `ls -al /sys/class/net/* | grep pci | rev | awk '{print $1;}' | cut -d '/' -f 1,3 | rev |  sed s'/\//#/'` )
  37 # Populates OVS_BRIDGE_MAPPINGS if $PHYSICAL_NETWORK and $OVS_PHYSICAL_BRIDGE are used instead.
  38 if [[ "$OVS_DATAPATH_TYPE" != "" ]] && [[ "$OVS_BRIDGE_MAPPINGS" = "" ]] && [[ "$PHYSICAL_NETWORK" != "" ]] && [[ "$OVS_PHYSICAL_BRIDGE" != "" ]]; then
  39     OVS_BRIDGE_MAPPINGS=$PHYSICAL_NETWORK:$OVS_PHYSICAL_BRIDGE
  40 fi
  41
  42 if [[ -z "$OVS_DPDK_PORT_MAPPINGS" ]]; then
  43     OVS_BRIDGES=${OVS_BRIDGE_MAPPINGS//,/ }
  44     ARRAY=( $OVS_BRIDGES )
  45     for net in "${ARRAY[@]}"; do
  46         bridge="${net##*:}"
  47         nic=${bridge/br-/}
  48         if [[ -z "$OVS_DPDK_PORT_MAPPINGS" ]]; then
  49             OVS_DPDK_PORT_MAPPINGS=$nic:$bridge
  50         else
  51             OVS_DPDK_PORT_MAPPINGS=$OVS_DPDK_PORT_MAPPINGS,$nic:$bridge
  52         fi
  53     done
  54 fi
  55
  56 MAPPINGS=${OVS_DPDK_PORT_MAPPINGS//,/ }
  57
  58 ARRAY=( $MAPPINGS )
  59 NICS=""
  60 for net in "${ARRAY[@]}"; do
  61     nic="${net%%:*}"
  62     bridge="${net##*:}"
  63     printf "%s in %s\n" "$KEY" "$VALUE"
  64     for pair in "${PAIRS[@]}"; do
  65         if [[ $nic == `echo $pair | cut -f 2 -d "#"` ]]; then
  66             if [[ $NICS == "" ]]; then
  67                 NICS=$pair
  68             else
  69                 NICS=$NICS,$pair
  70             fi
  71         fi
  72     done
  73 done
  74 sudo sed "s/OVS_PCI_MAPPINGS=.*/OVS_PCI_MAPPINGS=$NICS/" -i /etc/default/ovs-dpdk
  75 sudo sed "s/OVS_BRIDGE_MAPPINGS=.*/OVS_BRIDGE_MAPPINGS=$OVS_BRIDGE_MAPPINGS/" -i /etc/default/ovs-dpdk
  76 sudo sed "s/OVS_DPDK_PORT_MAPPINGS=.*/OVS_DPDK_PORT_MAPPINGS=$OVS_DPDK_PORT_MAPPINGS/" -i /etc/default/ovs-dpdk
  77
  78 OVS_PMD_CORE_MASK=$(echo $OVS_PMD_CORE_MASK | sed 's/^0x//')
  79
  80 if [ $OVS_PMD_CORE_MASK -eq 4 ]; then
  81     #default value, check for siblings in case of hyperthreading enabled
  82     SIBLINGS=""
  83     RESULT=0
  84     FILE="/sys/devices/system/cpu/cpu3/topology/thread_siblings_list"
  85     if [ -e $FILE ]; then
  86         SIBLINGS=`cat $FILE`
  87     else
  88         echo "warning: don't know how to check siblings"
  89         SIBLINGS=3
  90     fi
  91
  92     for SIBLING in $(echo $SIBLINGS | sed -n 1'p' | tr ',' '\n'); do
  93         SIBLING_CORE=`echo "obase=10;$((1<<($SIBLING-1)))" | bc`
  94         RESULT=$(($RESULT | $SIBLING_CORE))
  95     done
  96
  97     OVS_PMD_CORE_MASK=`printf "%x" $RESULT`
  98 fi
  99
 100 sudo sed "s#OVS_PMD_CORE_MASK=.*#OVS_PMD_CORE_MASK=$OVS_PMD_CORE_MASK#" -i /etc/default/ovs-dpdk