Public bug reported:
Currently in unit test neutron.tests.unit.openvswitch.test_ovs_tunnel, there're
3 test_daemon_loop test case.
And in each of them, there's a 2 seconds wait according to "polling_interval".
It's unnecessary for these test cases,
but introduces extra 6 seconds cost for unit test.
As shown below, these are the top 3 slowest tests in test_ovs_tunnel. Time cost
{2.094s, 2.093s, 2.085s}, total 6.272s.
With the patch, time cost reduces to {0.022s, 0.090s, 0.023s}, total 0.135s.
***** without patch ******
Slowest Tests
Test id
Runtime (s)
-----------------------------------------------------------------------------------------------
-----------
neutron.tests.unit.openvswitch.test_ovs_tunnel.TunnelTestUseVethInterco.test_daemon_loop
2.094
neutron.tests.unit.openvswitch.test_ovs_tunnel.TunnelTest.test_daemon_loop
2.093
neutron.tests.unit.openvswitch.test_ovs_tunnel.TunnelTestWithMTU.test_daemon_loop
2.085
neutron.tests.unit.openvswitch.test_ovs_tunnel.TunnelTestUseVethInterco.test_tunnel_update
0.249
neutron.tests.unit.openvswitch.test_ovs_tunnel.TunnelTestWithMTU.test_provision_local_vlan_flat
0.237
***** with patch ******
neutron.tests.unit.openvswitch.test_ovs_tunnel.TunnelTestUseVethInterco.test_daemon_loop
[0.021863s] ... ok
neutron.tests.unit.openvswitch.test_ovs_tunnel.TunnelTest.test_daemon_loop
[0.090144s] ... ok
neutron.tests.unit.openvswitch.test_ovs_tunnel.TunnelTestWithMTU.test_daemon_loop
[0.022620s] ... ok
** Affects: neutron
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1401457
Title:
OVS tunnel UT wastes time on unnecessary time.sleep in daemon_loop
Status in OpenStack Neutron (virtual network service):
New
Bug description:
Currently in unit test neutron.tests.unit.openvswitch.test_ovs_tunnel,
there're 3 test_daemon_loop test case.
And in each of them, there's a 2 seconds wait according to
"polling_interval". It's unnecessary for these test cases,
but introduces extra 6 seconds cost for unit test.
As shown below, these are the top 3 slowest tests in test_ovs_tunnel. Time
cost {2.094s, 2.093s, 2.085s}, total 6.272s.
With the patch, time cost reduces to {0.022s, 0.090s, 0.023s}, total 0.135s.
***** without patch ******
Slowest Tests
Test id
Runtime (s)
-----------------------------------------------------------------------------------------------
-----------
neutron.tests.unit.openvswitch.test_ovs_tunnel.TunnelTestUseVethInterco.test_daemon_loop
2.094
neutron.tests.unit.openvswitch.test_ovs_tunnel.TunnelTest.test_daemon_loop
2.093
neutron.tests.unit.openvswitch.test_ovs_tunnel.TunnelTestWithMTU.test_daemon_loop
2.085
neutron.tests.unit.openvswitch.test_ovs_tunnel.TunnelTestUseVethInterco.test_tunnel_update
0.249
neutron.tests.unit.openvswitch.test_ovs_tunnel.TunnelTestWithMTU.test_provision_local_vlan_flat
0.237
***** with patch ******
neutron.tests.unit.openvswitch.test_ovs_tunnel.TunnelTestUseVethInterco.test_daemon_loop
[0.021863s] ... ok
neutron.tests.unit.openvswitch.test_ovs_tunnel.TunnelTest.test_daemon_loop
[0.090144s] ... ok
neutron.tests.unit.openvswitch.test_ovs_tunnel.TunnelTestWithMTU.test_daemon_loop
[0.022620s] ... ok
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