From mboxrd@z Thu Jan 1 00:00:00 1970 From: Francois Romieu Subject: Re: r8169 performance? Date: Mon, 5 Dec 2011 07:44:03 +0100 Message-ID: <20111205064403.GA3426@electric-eye.fr.zoreil.com> References: <20111204211007.GA32098@hiwaay.net> <20111204234004.GA32515@electric-eye.fr.zoreil.com> <20111205004650.GA5948@hiwaay.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii To: Chris Adams , netdev@vger.kernel.org, hayeswang Return-path: Received: from violet.fr.zoreil.com ([92.243.8.30]:59062 "EHLO violet.fr.zoreil.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752393Ab1LEGur (ORCPT ); Mon, 5 Dec 2011 01:50:47 -0500 Content-Disposition: inline In-Reply-To: <20111205004650.GA5948@hiwaay.net> Sender: netdev-owner@vger.kernel.org List-ID: Chris Adams : [...] > On the "problem" computer (on Fedora 16, kernel 3.1.2): > > [ 7.101106] r8169 Gigabit Ethernet driver 2.3LK-NAPI loaded > [ 7.102665] r8169 0000:02:00.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17 > [ 7.107308] r8169 0000:02:00.0: setting latency timer to 64 > [ 7.107370] r8169 0000:02:00.0: irq 42 for MSI/MSI-X > [ 7.107703] r8169 0000:02:00.0: eth0: RTL8168d/8111d at 0xffffc900112fc000, 00:19:66:f2:dc:0b, XID 081000c0 IRQ 42 > > On the "okay" computer (on Fedora 14, kernel 2.6.35.14): > > [ 9.053574] r8169 Gigabit Ethernet driver 2.3LK-NAPI loaded > [ 9.053594] r8169 0000:06:00.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17 > [ 9.053689] r8169 0000:06:00.0: setting latency timer to 64 > [ 9.053740] r8169 0000:06:00.0: irq 47 for MSI/MSI-X > [ 9.053830] r8169 0000:06:00.0: eth0: RTL8168d/8111d at 0xffffc90012998000, 6c:f0:49:b7:67:91, XID 083000c0 IRQ 47 Almost the same: RTL_GIGA_MAC_VER_25 versus RTL_GIGA_MAC_VER_26 (faster). The only difference in the driver is the hw_phy_config part. -- Ueimor