From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Denys Fedoryshchenko" Subject: Re: NAPI, rx_no_buffer_count, e1000, r8169 and other actors Date: Mon, 16 Jun 2008 00:32:57 +0300 Message-ID: <20080615213240.M2725@visp.net.lb> References: <20080615200013.M67401@visp.net.lb> <20080615205710.GA9232@electric-eye.fr.zoreil.com> Mime-Version: 1.0 Content-Type: text/plain; charset=koi8-r Cc: netdev@vger.kernel.org To: Francois Romieu Return-path: Received: from usermail.globalproof.net ([194.146.153.18]:48121 "EHLO usermail.globalproof.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752386AbYFOVdQ (ORCPT ); Sun, 15 Jun 2008 17:33:16 -0400 In-Reply-To: <20080615205710.GA9232@electric-eye.fr.zoreil.com> Sender: netdev-owner@vger.kernel.org List-ID: Very sorry, forgot dmesg [ 3.070955] r8169 Gigabit Ethernet driver 2.2LK-NAPI loaded [ 3.070972] ACPI: PCI Interrupt 0000:07:00.0[A] -> GSI 21 (level, low) -> IRQ 21 [ 3.071582] eth0: RTL8110s at 0xf8894000, 00:18:f8:0b:46:a6, XID 04000000 IRQ 21 On Sun, 15 Jun 2008 22:57:10 +0200, Francois Romieu wrote > 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 > -- > To unsubscribe from this list: send the line "unsubscribe netdev" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- Denys Fedoryshchenko Technical Manager Virtual ISP S.A.L.