Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Thu, 9 Jan 2003 14:54:59 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Thu, 9 Jan 2003 14:54:59 -0500 Received: from main.gmane.org ([80.91.224.249]:55206 "EHLO main.gmane.org") by vger.kernel.org with ESMTP id ; Thu, 9 Jan 2003 14:54:59 -0500 X-Injected-Via-Gmane: http://gmane.org/ To: linux-kernel@vger.kernel.org Path: not-for-mail From: Jason Lunz Subject: detecting hyperthreading in linux 2.4.19 Date: Thu, 9 Jan 2003 20:02:33 +0000 (UTC) Organization: PBR Streetgang Message-ID: X-Complaints-To: usenet@main.gmane.org User-Agent: slrn/0.9.7.4 (Linux) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 504 Lines: 6 Is there a way for a userspace program running on linux 2.4.19 to tell the difference between a single hyperthreaded xeon P4 with HT enabled and a dual hyperthreaded xeon P4 with HT disabled? The /proc/cpuinfos for the two cases are indistinguishable. Jason - 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/