From owner-cvs-src@FreeBSD.ORG Thu Jul 31 10:59:27 2003 Return-Path: Delivered-To: cvs-src@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 5E11637B401 for ; Thu, 31 Jul 2003 10:59:27 -0700 (PDT) Received: from mail.speakeasy.net (mail12.speakeasy.net [216.254.0.212]) by mx1.FreeBSD.org (Postfix) with ESMTP id 5933C43FDD for ; Thu, 31 Jul 2003 10:59:25 -0700 (PDT) (envelope-from jhb@FreeBSD.org) Received: (qmail 10027 invoked from network); 31 Jul 2003 17:59:24 -0000 Received: from unknown (HELO server.baldwin.cx) ([216.27.160.63]) (envelope-sender )encrypted SMTP for ; 31 Jul 2003 17:59:24 -0000 Received: from laptop.baldwin.cx (gw1.twc.weather.com [216.133.140.1]) by server.baldwin.cx (8.12.9/8.12.9) with ESMTP id h6VHxMGI071799; Thu, 31 Jul 2003 13:59:22 -0400 (EDT) (envelope-from jhb@FreeBSD.org) Message-ID: X-Mailer: XFMail 1.5.4 on FreeBSD X-Priority: 3 (Normal) Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 8bit MIME-Version: 1.0 In-Reply-To: <20030731170953.U5558@gamplex.bde.org> Date: Thu, 31 Jul 2003 13:59:42 -0400 (EDT) From: John Baldwin To: Bruce Evans cc: cvs-src@FreeBSD.org cc: src-committers@FreeBSD.org cc: Peter Wemm cc: cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/kern subr_trap.c X-BeenThere: cvs-src@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: CVS commit messages for the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 31 Jul 2003 17:59:28 -0000 On 31-Jul-2003 Bruce Evans wrote: > On Wed, 30 Jul 2003, Peter Wemm wrote: > >> peter 2003/07/30 18:36:24 PDT >> >> FreeBSD src repository >> >> Modified files: >> sys/kern subr_trap.c >> Log: >> When ktracing context switches, make sure we record involuntary switches. >> Otherwise, when we get a evicted from the cpu, there is no record of it. >> This is not a default ktrace flag. > > This seems to be missing for many other calls to mi_switch(). Perhaps > mi_switch() itself should handle it. Unfortuantely it can't since ktrace uses a mutex internally and ktrcsw() can't be called with sched_lock held. -- John Baldwin <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/