From mboxrd@z Thu Jan 1 00:00:00 1970 From: Francois Romieu Subject: Re: NAPI, rx_no_buffer_count, e1000, r8169 and other actors Date: Sun, 15 Jun 2008 22:57:10 +0200 Message-ID: <20080615205710.GA9232@electric-eye.fr.zoreil.com> References: <20080615200013.M67401@visp.net.lb> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: netdev@vger.kernel.org To: Denys Fedoryshchenko Return-path: Received: from electric-eye.fr.zoreil.com ([213.41.134.224]:48283 "EHLO electric-eye.fr.zoreil.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752614AbYFOV00 (ORCPT ); Sun, 15 Jun 2008 17:26:26 -0400 Content-Disposition: inline In-Reply-To: <20080615200013.M67401@visp.net.lb> Sender: netdev-owner@vger.kernel.org List-ID: Denys Fedoryshchenko : [...] > Third host r8169 (PCI! This is important, seems i am running out of PCI > capacity), 400Mbit/s rx+tx summary load, e1000e interface also - around 400 rx + 400 tx or 200 rx + 200 tx ? Can you specify the packet rate and the cpu ? > 200Mbps load. What is worrying me - interrupts rate, it seems generated by > realtek card... is there any way to drop it down? > > Also some packetloss, around 0.0005% (i prefer to have clear zero :-)) ). No > nat, no shapers, same kernel configuration. Can you send an ethtool -S (+ ifconfig) of the 8169 if it misses packets as well as the lines of dmesg which relate to the r8169 driver ? -- Ueimor