netdev - RE: Poorer networking performance in later kernels?

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Message-ID: <SN1PR0301MB19986C8006021D89A562B94FD66C0@SN1PR0301MB1998.namprd03.prod.outlook.com>
Date:	Tue, 19 Apr 2016 16:00:07 +0000
From:	"Butler, Peter" <pbutler@...usnet.com>
To:	Oliver Hartkopp <socketcan@...tkopp.net>,
	Rick Jones <rick.jones2@....com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: RE: Poorer networking performance in later kernels?

> I think the issue is resolved.  I had to recompile my 4.4.0 kernel with a few options pertaining to the Intel NIC which somehow (?) got left out or otherwise clobbered when I ported my 3.4.2 .config to the 4.4.0 kernel source tree.  With those changes now in I see essentially identical performance with the two kernels.  Sorry for any confusion and/or waste of time here.  My bad.
>

Can you please send the relevant changes in the config that caused the discussed issue?

Just in the case other people do a similar kernel upgrade from 3.x to a recent kernel and the current defaults lead to this non-optimal result.

Thanks,
Oliver


Yes I just replied to another email on this thread asking the same thing and posted some info.

Cheers,

Peter