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| author | Kevin Traynor <ktraynor@redhat.com> | 2022-03-23 14:09:19 +0000 |
|---|---|---|
| committer | Ilya Maximets <i.maximets@ovn.org> | 2022-04-04 22:52:12 +0200 |
| commit | 3b18b8656b3816c61d514d901e49daf41dc3dc79 (patch) | |
| tree | e2d308176ab2a8a81f2da7e2486c285888059855 /tests | |
| parent | c591827ec01796b1c03994a363d01c2b126a7a41 (diff) | |
| download | openvswitch-3b18b8656b3816c61d514d901e49daf41dc3dc79.tar.gz | |
alb.at: Add tests for cross-numa polling.
PMD auto load balance currently only operates when the polling PMD
thread core will not change numa after reassignment.
Add a unit test for this.
Signed-off-by: Kevin Traynor <ktraynor@redhat.com>
Acked-by: Mike Pattrick <mkp@redhat.com>
Acked-by: David Marchand <david.marchand@redhat.com>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/alb.at | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/tests/alb.at b/tests/alb.at index 2bef06f39..0036bd1f2 100644 --- a/tests/alb.at +++ b/tests/alb.at @@ -96,6 +96,52 @@ OVS_WAIT_UNTIL([tail -n +$LINENUM ovs-vswitchd.log | grep "PMD auto load balance OVS_VSWITCHD_STOP AT_CLEANUP +AT_SETUP([ALB - cross-numa]) +OVS_VSWITCHD_START([add-port br0 p0 \ + -- set Interface p0 type=dummy-pmd options:n_rxq=4 \ + -- set Interface p0 options:numa_id=0 \ + -- set Open_vSwitch . other_config:pmd-cpu-mask=0x3 \ + -- set open_vswitch . other_config:pmd-rxq-assign=group \ + -- set open_vswitch . other_config:pmd-rxq-isolate=false \ + -- set open_vswitch . other_config:pmd-auto-lb="true" \ + -- set open_vswitch . other_config:pmd-auto-lb-load-threshold=0], + [], [], [--dummy-numa 1,2,1,2]) +OVS_WAIT_UNTIL([grep "PMD auto load balance is enabled" ovs-vswitchd.log]) +AT_CHECK([ovs-appctl vlog/set dpif_netdev:dbg]) + +# no pinned rxqs - cross-numa pmd could change +get_log_next_line_num +ovs-appctl time/warp 600000 10000 +OVS_WAIT_UNTIL([tail -n +$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 \ -- set Interface p0 type=dummy-pmd options:n_rxq=3 \ |