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List:       openvswitch-discuss
Subject:    [ovs-discuss] High OpenFlow upcall RTTs introduced between 2.0 and 2.1?
From:       blp () nicira ! com (Ben Pfaff)
Date:       2014-04-30 18:00:43
Message-ID: 20140430180043.GD11673 () nicira ! com
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On Wed, Apr 30, 2014 at 06:37:27PM +0200, Christian Stigen Larsen wrote:
> Ben Pfaff <blp at nicira.com>:
> > It looks like branch-2.1 needs a commit that only made it onto master.
> > The log message didn't make it clear that it was a bug fix.
> > 
> > Please try applying commit cfc50ae514f805dcd9c14589f21158185424daf6 to
> > your local copy of OVS 2.1.
> 
> I cherry-picked it onto origin/branch-2.1 (ovs-vsctl shows "2.1.2"):
> 
>     mininet> h1 ping -c10 h9
>     PING 10.0.0.9 (10.0.0.9) 56(84) bytes of data.
>     64 bytes from 10.0.0.9: icmp_req=1 ttl=64 time=62.1 ms
>     64 bytes from 10.0.0.9: icmp_req=2 ttl=64 time=90.5 ms
>     64 bytes from 10.0.0.9: icmp_req=3 ttl=64 time=69.1 ms
>     64 bytes from 10.0.0.9: icmp_req=4 ttl=64 time=100 ms
>     64 bytes from 10.0.0.9: icmp_req=5 ttl=64 time=80.9 ms
>     64 bytes from 10.0.0.9: icmp_req=6 ttl=64 time=71.5 ms
>     64 bytes from 10.0.0.9: icmp_req=7 ttl=64 time=101 ms
>     64 bytes from 10.0.0.9: icmp_req=8 ttl=64 time=89.7 ms
>     64 bytes from 10.0.0.9: icmp_req=9 ttl=64 time=70.3 ms
>     64 bytes from 10.0.0.9: icmp_req=10 ttl=64 time=104 ms
>     
>     --- 10.0.0.9 ping statistics ---
>     10 packets transmitted, 10 received, 0% packet loss, time 9012ms
>     rtt min/avg/max/mdev = 62.131/83.995/104.044/14.441 ms
> 
> This is it!
> 
> I've verified it with/and without the commit, plus a reboot, just to be sure.
> 
> Thank you so much for all the help!

Great, I applied this to branch-2.1 and it will appear in the next
point release.

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