RE: [PATCH] abysmal e1000 performance (DITR)
From: Thayne Harbaugh <hidden>
Date: 2004-08-26 20:04:04
On Thu, 2004-08-26 at 13:55 -0400, jamal wrote:
Ganesh, Can you please make this feature off by default and perhaps accesible via ethtool for peopel who want to turn it on. I just wasted a few hours and was bitten by this performance-wise. Please consider disabling it.
This is a *horrible* problem. Even though it's fixable by passing a module parameter, the default bites those that *know* about it. We have had customers bitten by this and customers that have insisted in swapping all the NICs in a cluster to Broadcom TG3 NICs. It's a black eye for Intel and a loss of business - that's the opinion of our customers.
cheers, jamal On Fri, 2004-06-04 at 11:44, Venkatesan, Ganesh wrote:quoted
Thayne: We are studying the patch and will get back to you once we have a plan to integrate it into the driver. Thanks, ganesh ------------------------------------------------- Ganesh Venkatesan Network/Storage Division, Hillsboro, OR -----Original Message----- From: Thayne Harbaugh [mailto:tharbaugh@lnxi.com] Sent: Friday, June 04, 2004 7:20 AM To: netdev@oss.sgi.com Cc: Venkatesan, Ganesh; Feldman, Scott; Brandeburg, Jesse Subject: Re: [PATCH] abysmal e1000 performance (DITR) I have documented a serious performance problem with DITR in the e1000 driver. I have sent a patch to the netdev list as well as CC'ed various people at Intel. There has been very little response. I am wondering who has reviewed the DITR performance problem and what the plans are for fixing it.