Enable valgrind on Xenserver hosts with openvswitch installations


To install valgrind on xenservers,

 yum install valgrind --enablerepo=base

 To enable valgrind for openvswitch, you could add it to the OVS_CTL_OPTS in the file /etc/sysconfig/openvswitch

 OVS_CTL_OPTS=--ovs-vswitchd-wrapper=valgrind

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