This tests that the newly introduced pmd-rxq-affinity option works as intended, at least for a single port.
Signed-off-by: Daniele Di Proietto <diproiet...@vmware.com> --- tests/pmd.at | 53 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) diff --git a/tests/pmd.at b/tests/pmd.at index 47639b6..3052f95 100644 --- a/tests/pmd.at +++ b/tests/pmd.at @@ -461,3 +461,56 @@ icmp,vlan_tci=0x0000,dl_src=50:54:00:00:00:09,dl_dst=50:54:00:00:00:0a,nw_src=10 OVS_VSWITCHD_STOP AT_CLEANUP + +AT_SETUP([PMD - rxq affinity]) +OVS_VSWITCHD_START( + [], [], [], [--dummy-numa 0,0,0,0,0,0,0,0,0]) +AT_CHECK([ovs-appctl vlog/set dpif:dbg dpif_netdev:dbg]) + +AT_CHECK([ovs-ofctl add-flow br0 actions=controller]) + +AT_CHECK([ovs-vsctl set Open_vSwitch . other_config:pmd-cpu-mask=1fe]) + +AT_CHECK([ovs-vsctl add-port br0 p1 -- set Interface p1 type=dummy-pmd ofport_request=1 options:n_rxq=4 other_config:pmd-rxq-affinity="0:3,1:7,2:2,3:8"]) + +dnl The rxqs should be on the requested cores. +AT_CHECK([ovs-appctl dpif-netdev/pmd-rxq-show | parse_pmd_rxq_show], [0], [dnl +p1 0 0 3 +p1 1 0 7 +p1 2 0 2 +p1 3 0 8 +]) + +AT_CHECK([ovs-vsctl set Open_vSwitch . other_config:pmd-cpu-mask=6]) + +dnl We removed the cores requested by some queues from pmd-cpu-mask. +dnl Those queues will not be polled. +AT_CHECK([ovs-appctl dpif-netdev/pmd-rxq-show | parse_pmd_rxq_show], [0], [dnl +p1 2 0 2 +]) + +AT_CHECK([ovs-vsctl remove Interface p1 other_config pmd-rxq-affinity]) + +dnl We removed the rxq-affinity request. dpif-netdev should assign queues +dnl in a round robin fashion. We just make sure that every rxq is being +dnl polled again. +AT_CHECK([ovs-appctl dpif-netdev/pmd-rxq-show | parse_pmd_rxq_show | cut -f 1,2 -d ' ' | sort], [0], [dnl +p1 0 +p1 1 +p1 2 +p1 3 +]) + +AT_CHECK([ovs-vsctl set Interface p1 other_config:pmd-rxq-affinity='0:1']) + +dnl We explicitly requested core 1 for queue 0. Core 1 becomes isolated and +dnl every other queue goes to core 2. +AT_CHECK([ovs-appctl dpif-netdev/pmd-rxq-show | parse_pmd_rxq_show], [0], [dnl +p1 0 0 1 +p1 1 0 2 +p1 2 0 2 +p1 3 0 2 +]) + +OVS_VSWITCHD_STOP(["/dpif_netdev|WARN|There is no PMD thread on core/d"]) +AT_CLEANUP -- 2.8.1 _______________________________________________ dev mailing list dev@openvswitch.org http://openvswitch.org/mailman/listinfo/dev
