From owner-freebsd-questions@FreeBSD.ORG Fri Sep 24 15:47:57 2004 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 58F1916A4CE for ; Fri, 24 Sep 2004 15:47:57 +0000 (GMT) Received: from imo-m23.mx.aol.com (imo-m23.mx.aol.com [64.12.137.4]) by mx1.FreeBSD.org (Postfix) with ESMTP id EEB6143D3F for ; Fri, 24 Sep 2004 15:47:56 +0000 (GMT) (envelope-from TM4525@aol.com) Received: from TM4525@aol.com by imo-m23.mx.aol.com (mail_out_v37_r3.7.) id n.68.44866630 (1320) for ; Fri, 24 Sep 2004 11:47:52 -0400 (EDT) From: TM4525@aol.com Message-ID: <68.44866630.2e859ba8@aol.com> Date: Fri, 24 Sep 2004 11:47:52 EDT To: freebsd-questions@freebsd.org MIME-Version: 1.0 X-Mailer: 9.0 for Windows sub 5112 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-Content-Filtered-By: Mailman/MimeDel 2.1.1 Subject: Device polling performance X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 24 Sep 2004 15:47:57 -0000 I thought I'd reword my question since no one seemed to understand the first time. Is there a way to measure CPU kernel/interrupt usage when device polling is enabled on 4.x systems? top and systat both show 100% idle all of the time. TM