From owner-cvs-src-old@FreeBSD.ORG Mon Mar 9 19:05:05 2009 Return-Path: Delivered-To: cvs-src-old@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 6766D1065730 for ; Mon, 9 Mar 2009 19:05:02 +0000 (UTC) (envelope-from jhb@FreeBSD.org) Received: from repoman.freebsd.org (repoman.freebsd.org [IPv6:2001:4f8:fff6::29]) by mx1.freebsd.org (Postfix) with ESMTP id 06B238FC12 for ; Mon, 9 Mar 2009 19:05:02 +0000 (UTC) (envelope-from jhb@FreeBSD.org) Received: from repoman.freebsd.org (localhost [127.0.0.1]) by repoman.freebsd.org (8.14.3/8.14.3) with ESMTP id n29J517N045905 for ; Mon, 9 Mar 2009 19:05:01 GMT (envelope-from jhb@repoman.freebsd.org) Received: (from svn2cvs@localhost) by repoman.freebsd.org (8.14.3/8.14.3/Submit) id n29J51eA045904 for cvs-src-old@freebsd.org; Mon, 9 Mar 2009 19:05:01 GMT (envelope-from jhb@repoman.freebsd.org) Message-Id: <200903091905.n29J51eA045904@repoman.freebsd.org> X-Authentication-Warning: repoman.freebsd.org: svn2cvs set sender to jhb@repoman.freebsd.org using -f From: John Baldwin Date: Mon, 9 Mar 2009 19:04:53 +0000 (UTC) To: cvs-src-old@freebsd.org X-FreeBSD-CVS-Branch: HEAD Subject: cvs commit: src/sys/kern vfs_cache.c X-BeenThere: cvs-src-old@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: **OBSOLETE** CVS commit messages for the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 09 Mar 2009 19:05:06 -0000 jhb 2009-03-09 19:04:53 UTC FreeBSD src repository Modified files: sys/kern vfs_cache.c Log: SVN rev 189593 on 2009-03-09 19:04:53Z by jhb Move the debug.hashstat sysctl tree under DIAGNOSTIC. I measured the debug.hashstat.rawnchash sysctl in particular as taking 7 milliseconds on a 3GHz Intel Xeon (4x2) running 7.1. It accounted for almost a quarter of the total runtime of 'sysctl -a'. It also performs lots of copyout's while holding the namecache lock (this does not attempt to fix that). MFC after: 2 weeks Revision Changes Path 1.137 +2 -0 src/sys/kern/vfs_cache.c