Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Thu, 7 Dec 2000 09:42:40 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Thu, 7 Dec 2000 09:42:31 -0500 Received: from [62.172.234.2] ([62.172.234.2]:64840 "EHLO penguin.homenet") by vger.kernel.org with ESMTP id ; Thu, 7 Dec 2000 09:42:16 -0500 Date: Thu, 7 Dec 2000 14:13:04 +0000 (GMT) From: Tigran Aivazian To: Kotsovinos Vangelis cc: linux-kernel@vger.kernel.org Subject: Re: Microsecond accuracy In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 7 Dec 2000, Tigran Aivazian wrote: > Hi, > > How about TSC? I know this has disadvantages such as: > > a) not all machines have TSC while we are on this subject, please let me emphasize that you should _not_ be using cpuid instruction to detect the presence of TSC but should parse the /proc/cpuinfo file. There are many valid reasons why Linux's idea of TSC presence may not be the same as hardware's (cpuid instruction) idea. Regards, Tigran - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/