From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Mon, 9 Dec 2002 13:01:14 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Mon, 9 Dec 2002 13:01:14 -0500 Received: from intpop.corp.wcom.ca ([205.150.160.74]:1428 "EHLO corp.wcom.ca") by vger.kernel.org with ESMTP id convert rfc822-to-8bit; Mon, 9 Dec 2002 13:01:13 -0500 Message-ID: <044101c29fae$0a7bb300$9c094d8e@wcom.ca> From: "Serge Kuznetsov" To: "Anton Blanchard" , References: <20021208124444.GA18751@krispykreme> Subject: Re: 2.5.50 + e100 benchmarking Date: Mon, 9 Dec 2002 13:08:56 -0500 MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4920.2300 X-MIMEOLE: Produced By Microsoft MimeOLE V5.50.4920.2300 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org > e100_intr was the worst function in a profile. PCI reads are very costly I profiled this part and I found what the main issue is the e100_alloc_skbs. It takes from 10000 to ~19000 processor's tacts. At the same time eepro100's speedo_iterrupt is pretty fast. All the Best! Serge.