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Message-Id: <20100115.011829.03057807.davem@davemloft.net> Date: Fri, 15 Jan 2010 01:18:29 -0800 (PST) From: David Miller <davem@...emloft.net> To: krkumar2@...ibm.com Cc: eric.dumazet@...il.com, ilpo.jarvinen@...sinki.fi, netdev@...r.kernel.org Subject: Re: [RFC] [PATCH] Optimize TCP sendmsg in favour of fast devices? From: Krishna Kumar2 <krkumar2@...ibm.com> Date: Fri, 15 Jan 2010 14:50:04 +0530 > I wonder if there is some other way to test it. I could test it on > the card I have, cxgbe, by ethtool F_SG off, and then testing > this patch with existing code (both with ethtool F_SG off)? Will > that be enough to get an idea, or I cannot assume this is > reasonable for real non-sg drivers? I am sure there is a > degradation, and mentioned that part as a "penalty" for those > drivers in my patch. I think such a test would provide useful data by which to judge this change. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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