From owner-freebsd-bugs@FreeBSD.ORG Sun Dec 12 14:30:27 2004 Return-Path: Delivered-To: freebsd-bugs@hub.freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 1F8D616A4CE for ; Sun, 12 Dec 2004 14:30:27 +0000 (GMT) Received: from freefall.freebsd.org (freefall.freebsd.org [216.136.204.21]) by mx1.FreeBSD.org (Postfix) with ESMTP id DB85A43D3F for ; Sun, 12 Dec 2004 14:30:26 +0000 (GMT) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1]) by freefall.freebsd.org (8.13.1/8.13.1) with ESMTP id iBCEUQcm094941 for ; Sun, 12 Dec 2004 14:30:26 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.13.1/8.13.1/Submit) id iBCEUQhC094932; Sun, 12 Dec 2004 14:30:26 GMT (envelope-from gnats) Resent-Date: Sun, 12 Dec 2004 14:30:26 GMT Resent-Message-Id: <200412121430.iBCEUQhC094932@freefall.freebsd.org> Resent-From: FreeBSD-gnats-submit@FreeBSD.org (GNATS Filer) Resent-To: freebsd-bugs@FreeBSD.org Resent-Reply-To: FreeBSD-gnats-submit@FreeBSD.org, Shunsuke SHINOMIYA Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id A4B0F16A4CE for ; Sun, 12 Dec 2004 14:23:03 +0000 (GMT) Received: from zipper.net.ss.titech.ac.jp (zipper.net.ss.titech.ac.jp [131.112.21.54]) by mx1.FreeBSD.org (Postfix) with ESMTP id 3D74343D53 for ; Sun, 12 Dec 2004 14:23:03 +0000 (GMT) (envelope-from shino@zipper.net.ss.titech.ac.jp) Received: from zipper.net.ss.titech.ac.jp (localhost [127.0.0.1]) iBCEN15n012617 for ; Sun, 12 Dec 2004 23:23:01 +0900 (JST) (envelope-from shino@zipper.net.ss.titech.ac.jp) Received: (from shino@localhost)iBCEN18m012616; Sun, 12 Dec 2004 23:23:01 +0900 (JST) (envelope-from shino) Message-Id: <200412121423.iBCEN18m012616@zipper.net.ss.titech.ac.jp> Date: Sun, 12 Dec 2004 23:23:01 +0900 (JST) From: Shunsuke SHINOMIYA To: FreeBSD-gnats-submit@FreeBSD.org X-Send-Pr-Version: 3.113 Subject: kern/74986: sysctlize a parameter of if_em's interrupt moderation X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list Reply-To: Shunsuke SHINOMIYA List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 12 Dec 2004 14:30:27 -0000 >Number: 74986 >Category: kern >Synopsis: sysctlize a parameter of if_em's interrupt moderation >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: change-request >Submitter-Id: current-users >Arrival-Date: Sun Dec 12 14:30:26 GMT 2004 >Closed-Date: >Last-Modified: >Originator: Shunsuke SHINOMIYA >Release: FreeBSD 5.3-RELEASE i386 >Organization: >Environment: System: FreeBSD zipper.net.ss.titech.ac.jp 5.3-RELEASE FreeBSD 5.3-RELEASE #28: Mon Nov 15 15:50:34 JST 2004 shino@zipper.net.ss.titech.ac.jp:/usr/obj/usr/src/sys/PM i386 >Description: This change sysctlize last one of the parameter of if_em's interrupt moderation . sysctl hw.em?.int_throttle_ceil corresponds to the `absolute timer' at AP450(*1), application note by intel. *1 ftp://download.intel.com/design/network/applnots/ap450.pdf `absolute timer' is for suppressing rate of interrupt per unit of time. The value of int_throttle_ceil means a ceiling of the number of interrupt fireing per unit of time. Default value of int_throttle_ceil is 8000. Setting int_throttle_ceil 0 means disabling throttle moderation concerning the absolute timer. >How-To-Repeat: >Fix: The diff of URL shown below adds sysctl int_throttle_ceil to hw.em?. http://www.fornext.org/patch/if_em.diff >Release-Note: >Audit-Trail: >Unformatted: