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Bug 1397481

Summary: [fdProd] latency regression
Product: Red Hat Enterprise Linux 7 Reporter: Flavio Leitner <fleitner>
Component: openvswitch-dpdkAssignee: Flavio Leitner <fleitner>
Status: CLOSED ERRATA QA Contact: Christian Trautman <ctrautma>
Severity: high Docs Contact:
Priority: high    
Version: 7.4CC: aloughla, atheurer, atragler, cascardo, ctrautma, fleitner, jean-mickael.guerin, krister, kzhang, ovs-qe, tli, vincent.jardin, wchadwic
Target Milestone: rc   
Target Release: ---   
Hardware: x86_64   
OS: Linux   
Whiteboard:
Fixed In Version: openvswitch-2.5.0-21.git20160727.el7fdp Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: 1344787 Environment:
Last Closed: 2017-01-05 20:49:03 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:
Bug Depends On: 1344787    
Bug Blocks:    

Comment 3 Christian Trautman 2016-12-06 15:52:13 UTC 
Verified with openvswitch-2.5.0-22.git20160727.el7fdp.x86_64.rpm

Setup two bridges each with one dpdk port and vhostuser port. 

Nic used was a x520 on numa 1. 

Used real time host and guest. Guest running testpmd as loopback.

Set flow tables accordingly on each switch to direct traffic.

4 PMDs used on host with sched fifo 95, 2 VCpus used inside guest for testpmd PMDs.

Ran 12 hour test running at 4.8 mpps at 0 loss bi directional traffic.

Results

port 0
avg 12.527
min 6.435
max 39.822

port 1
avg 13.197
min 6.764
max 37.104
Comment 5 errata-xmlrpc 2017-01-05 20:49:03 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, 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://rhn.redhat.com/errata/RHBA-2017-0027.html