PMD auto load balance currently only operates when the polling pmd core will not change numa after reassignment. Add a unit test for this.
Signed-off-by: Kevin Traynor <ktray...@redhat.com> Acked-by: Mike Pattrick <m...@redhat.com> --- tests/alb.at | 46 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) diff --git a/tests/alb.at b/tests/alb.at index 2bef06f39..0036bd1f2 100644 --- a/tests/alb.at +++ b/tests/alb.at @@ -97,4 +97,50 @@ OVS_VSWITCHD_STOP AT_CLEANUP +AT_SETUP([ALB - cross-numa]) +OVS_VSWITCHD_START([add-port br0 p0 \ + -- set Interface p0 type=dummy-pmd options:n_rxq=4 \ + -- set Interface p0 options:numa_id=0 \ + -- set Open_vSwitch . other_config:pmd-cpu-mask=0x3 \ + -- set open_vswitch . other_config:pmd-rxq-assign=group \ + -- set open_vswitch . other_config:pmd-rxq-isolate=false \ + -- set open_vswitch . other_config:pmd-auto-lb="true" \ + -- set open_vswitch . other_config:pmd-auto-lb-load-threshold=0], + [], [], [--dummy-numa 1,2,1,2]) +OVS_WAIT_UNTIL([grep "PMD auto load balance is enabled" ovs-vswitchd.log]) +AT_CHECK([ovs-appctl vlog/set dpif_netdev:dbg]) + +# no pinned rxqs - cross-numa pmd could change +get_log_next_line_num +ovs-appctl time/warp 600000 10000 +OVS_WAIT_UNTIL([tail -n +$LINENUM ovs-vswitchd.log | grep "PMD auto load balance performing dry run."]) +OVS_WAIT_UNTIL([tail -n +$LINENUM ovs-vswitchd.log | grep "PMD auto load balance detected cross-numa polling"]) + +# all pinned rxqs - cross-numa pmd will not change +AT_CHECK([ovs-vsctl set Interface p0 other_config:pmd-rxq-affinity='0:0,1:0,2:1,3:1']) +get_log_next_line_num +ovs-appctl time/warp 600000 10000 +OVS_WAIT_UNTIL([tail -n +$LINENUM ovs-vswitchd.log | grep "PMD auto load balance performing dry run."]) +OVS_WAIT_UNTIL([tail -n +$LINENUM ovs-vswitchd.log | grep "Variance improvement 0%."]) + +# mix of pinned (non-isolated) and non-pinned rxqs - cross-numa pmd could change +AT_CHECK([ovs-vsctl remove Interface p0 other_config pmd-rxq-affinity]) +AT_CHECK([ovs-vsctl set Interface p0 other_config:pmd-rxq-affinity='0:0,1:0,2:1']) +get_log_next_line_num +ovs-appctl time/warp 600000 10000 +OVS_WAIT_UNTIL([tail -n +$LINENUM ovs-vswitchd.log | grep "PMD auto load balance performing dry run."]) +OVS_WAIT_UNTIL([tail -n +$LINENUM ovs-vswitchd.log | grep "PMD auto load balance detected cross-numa polling"]) + +# mix of pinned (isolated) and non-pinned rxqs - cross-numa pmd could change +AT_CHECK([ovs-vsctl set Open_vSwitch . other_config:pmd-cpu-mask=0xf]) +AT_CHECK([ovs-vsctl set Interface p0 options:n_rxq=6]) +AT_CHECK([ovs-vsctl set Open_vSwitch . other_config:pmd-rxq-isolate=true]) +get_log_next_line_num +ovs-appctl time/warp 600000 10000 +OVS_WAIT_UNTIL([tail -n +$LINENUM ovs-vswitchd.log | grep "PMD auto load balance performing dry run."]) +OVS_WAIT_UNTIL([tail -n +$LINENUM ovs-vswitchd.log | grep "PMD auto load balance detected cross-numa polling"]) + +OVS_VSWITCHD_STOP +AT_CLEANUP + AT_SETUP([ALB - PMD/RxQ assignment type]) OVS_VSWITCHD_START([add-port br0 p0 \ -- 2.34.1 _______________________________________________ dev mailing list d...@openvswitch.org https://mail.openvswitch.org/mailman/listinfo/ovs-dev
