Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932638AbVIMMs4 (ORCPT ); Tue, 13 Sep 2005 08:48:56 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932637AbVIMMs4 (ORCPT ); Tue, 13 Sep 2005 08:48:56 -0400 Received: from 216-54-166-16.gen.twtelecom.net ([216.54.166.16]:25557 "EHLO mx1.compro.net") by vger.kernel.org with ESMTP id S932638AbVIMMsz (ORCPT ); Tue, 13 Sep 2005 08:48:55 -0400 Message-ID: <4326CAB3.6020109@compro.net> Date: Tue, 13 Sep 2005 08:48:51 -0400 From: Mark Hounschell Reply-To: markh@compro.net User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.5) Gecko/20041220 X-Accept-Language: en-us, en MIME-Version: 1.0 To: linux-kernel@vger.kernel.org Subject: HZ question X-Enigmail-Version: 0.90.0.0 X-Enigmail-Supports: pgp-inline, pgp-mime Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-PMX-Version: 5.0.3.165339, Antispam-Engine: 2.1.0.0, Antispam-Data: 2005.9.12.33 X-PerlMx-Spam: Gauge=IIIIIII, Probability=7%, Report='__CT 0, __CTE 0, __CT_TEXT_PLAIN 0, __HAS_MSGID 0, __MIME_TEXT_ONLY 0, __MIME_VERSION 0, __SANE_MSGID 0, __USER_AGENT 0' Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 724 Lines: 24 I need to know the kernels value of HZ in a userland app. getconf CLK_TCK and hz = sysconf (_SC_CLK_TCK) both seem to return CLOCKS_PER_SEC which is defined as USER_HZ which is defined as 100. include/asm/param.h: #ifdef __KERNEL__ # define HZ 1000 /* Internal kernel timer frequency */ # define USER_HZ 100 /* .. some user interfaces are in "ticks" */ # define CLOCKS_PER_SEC (USER_HZ) /* like times() */ #endif Thanks in advance for any help Mark - 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/