[ovs-build] Still Failing: openvswitch/ovs#5961 (master - c381bca)
builds at travis-ci.org
Mon Feb 26 20:23:20 UTC 2018
Build Update for openvswitch/ovs
Status: Still Failing
Duration: 46 minutes and 32 seconds
Commit: c381bca (master)
Author: Ben Pfaff
Message: ofproto: Make ofproto_port_open_type() faster.
ofproto_port_open_type() was surprisingly slow because it called the
function ofproto_class_find__(), which itself was surprisingly slow because
it actually creates a set of strings and enumerates all of the available
This patch improves performance by eliminating the call to
ofproto_class_find__() from ofproto_port_open_type(). In turn that
required changing a parameter type and updating all the callers.
Possibly it would be worth making ofproto_class_find__() itself faster,
but it doesn't look like any of its other callers would be used in inner
For more background, see also
This patch arises as a result of testing done by Ali Ginwala and Han Zhou.
Their test showed that commit 2d4beba resulted in slower performance of
ovs-vswitchd than was seen in previous versions of OVS.
With this patch, Ali retested and reported that performance drastically
improved by ~60%. The test for 10k lports, 40 LSs and 8 LRs and 1k HVs just
got completed in 3 hours 39 min vs 8+ hours for branch-2.9. Cpu utilization
graph of a farm comparing Ben's ofproto patch vs branch-2.9 is available @
Reported-by: Mark Michelson <mmichels at redhat.com>
Acked-by: Mark Michelson <mmichels at redhat.com>
Tested-by: aginwala <aginwala at asu.edu>
Signed-off-by: Ben Pfaff <blp at ovn.org>
View the changeset: https://github.com/openvswitch/ovs/compare/ee1c7296ece6...c381bca52f62
View the full build log and details: https://travis-ci.org/openvswitch/ovs/builds/346448701?utm_source=email&utm_medium=notification
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