mir/ovs
2
0
Fork 0
mirror of https://github.com/openvswitch/ovs synced 2025-08-30 22:05:19 +00:00
Code Issues Releases Wiki Activity

alb.at: Add tests for cross-numa polling.

Browse Source 
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>
This commit is contained in:
Kevin Traynor
2022-03-23 14:09:19 +00:00
committed by Ilya Maximets
parent c591827ec0
commit 3b18b8656b
1 changed files with 46 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

46
tests/alb.at
View File

@@ -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 \