Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Thu, 17 Jan 2002 00:14:12 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Thu, 17 Jan 2002 00:14:03 -0500 Received: from pizda.ninka.net ([216.101.162.242]:25988 "EHLO pizda.ninka.net") by vger.kernel.org with ESMTP id ; Thu, 17 Jan 2002 00:13:55 -0500 Date: Wed, 16 Jan 2002 21:12:51 -0800 (PST) Message-Id: <20020116.211251.35505694.davem@redhat.com> To: wilson@whack.org Cc: linux-kernel@vger.kernel.org Subject: Re: hires timestamps for netif_rx() From: "David S. Miller" In-Reply-To: In-Reply-To: <20020116.170852.91311984.davem@redhat.com> X-Mailer: Mew version 2.1 on Emacs 21.1 / Mule 5.0 (SAKAKI) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org From: Wilson Yeung Date: Wed, 16 Jan 2002 18:45:02 -0800 (PST) Notice that all the timestamps are the same, which led me to believe that xtime was being gotten directly. This is what happens only if your CPU lacks a timestamp counter (TSC on x86). What kind of CPU are you performing this experiment on? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/