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Bug 1920121

Summary: [RFE] Add auto load balance params
Product: Red Hat Enterprise Linux Fast Datapath Reporter: Kevin Traynor <ktraynor>
Component: openvswitch2.13Assignee: Kevin Traynor <ktraynor>
Status: CLOSED ERRATA QA Contact: Jiying Qiu <jiqiu>
Severity: unspecified Docs Contact:
Priority: high    
Version: FDP 20.BCC: bperkins, ctrautma, fiezzi, hewang, jhsiao, kfida, ralongi, tredaelli
Target Milestone: ---Keywords: RFE
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: openvswitch2.13-2.13.0-79.3.el8fdp Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2021-02-11 14:52:14 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:

Comment 6 Jiying Qiu 2021-02-07 07:36:40 UTC 
verified with openvswitch2.13-2.13.0-79.5.el8fdp.x86_64.rpm .

Beaker job :
https://beaker.engineering.redhat.com/jobs/5075734  pmd_auto_lb_single_rxq_test & pmd_auto_lb_multi_rxq_test

the log shows:
2021-02-07T05:58:40.619Z|00078|dpif_netdev|INFO|PMD auto load balance is enabled interval 1 mins, pmd load threshold 50%, improvement threshold 20%


before rebalance :
# ovs-appctl dpif-netdev/pmd-rxq-show
pmd thread numa_id 0 core_id 10:
  isolated : false
  port: dpdk0             queue-id:  0 (enabled)   pmd usage: 58 %
  port: dpdkvhostuser1    queue-id:  0 (enabled)   pmd usage: 39 %
pmd thread numa_id 0 core_id 38:
  isolated : false
  port: dpdk1             queue-id:  0 (enabled)   pmd usage:  0 %
  port: dpdkvhostuser0    queue-id:  0 (enabled)   pmd usage:  0 %

after rebalance : 
# ovs-appctl dpif-netdev/pmd-rxq-show
pmd thread numa_id 0 core_id 10:
  isolated : false
  port: dpdk1             queue-id:  0 (enabled)   pmd usage:  0 %
  port: dpdkvhostuser1    queue-id:  0 (enabled)   pmd usage: 80 %
pmd thread numa_id 0 core_id 38:
  isolated : false
  port: dpdk0             queue-id:  0 (enabled)   pmd usage: 85 %
  port: dpdkvhostuser0    queue-id:  0 (enabled)   pmd usage:  0 %
Comment 8 errata-xmlrpc 2021-02-11 14:52:14 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory (Moderate: openvswitch2.13 security and bug fix update), and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHSA-2021:0497