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Date: Wed, 05 Sep 2007 13:03:21 +0100 From: James Chapman <jchapman@...alix.com> To: Mandeep Singh Baines <mandeep.baines@...il.com> CC: Daniele Venzano <venza@...wnhat.org>, hadi@...erus.ca, davem@...emloft.net, rick.jones2@...com, msb@...gle.com, netdev@...r.kernel.org, grundler@...gle.com, robert.olsson@....uu.se, jeff@...zik.org, nhorman@...driver.com Subject: Re: [PATCH] [sis900] convert to NAPI, WAS Re: pktgen terminating condition Mandeep Singh Baines wrote: > Daniele Venzano (venza@...wnhat.org) wrote: >> The patch looks good and I think it can be pushed higher (-mm ?) for some wider >> testing. I don't have the hardware available to do some tests myself, >> unfortunately, but it would be similar to yours anyway. >> >> I'd like to know how this works for people with less memory and slower CPU, but any >> kind of test run will be appreciated. > > Hi Daniele, > > I tested the driver under different setting of CPU clock. Under a lower clock, > I get less interrupts (what I was hoping for) and slightly less performance. > Under higher clock, I get better performance and almost 1 interrupt per packet. I have a patch that solves the high interrupt rate problem by keeping the driver in polled mode longer. It's written for the latest NAPI version that DaveM posted recently. I'll try to get some time to write it up and post it for comment. -- James Chapman Katalix Systems Ltd http://www.katalix.com Catalysts for your Embedded Linux software development - 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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