From owner-freebsd-current Wed Oct 16 9:14:44 2002 Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id F246E37B401; Wed, 16 Oct 2002 09:14:42 -0700 (PDT) Received: from mailout09.sul.t-online.com (mailout09.sul.t-online.com [194.25.134.84]) by mx1.FreeBSD.org (Postfix) with ESMTP id 6785343E8A; Wed, 16 Oct 2002 09:14:42 -0700 (PDT) (envelope-from D.Rock@t-online.de) Received: from fwd11.sul.t-online.de by mailout09.sul.t-online.com with smtp id 181qoi-00040y-0H; Wed, 16 Oct 2002 18:14:40 +0200 Received: from dialin.t-online.de (340029380333-0001@[217.226.123.248]) by fmrl11.sul.t-online.com with esmtp id 181qoe-1KDLayC; Wed, 16 Oct 2002 18:14:36 +0200 Received: from t-online.de (doom [172.23.7.254]) by dialin.t-online.de (8.11.6+Sun/8.11.6/Rock) with ESMTP id g9GG7Ov19392; Wed, 16 Oct 2002 18:07:24 +0200 (CEST) Message-ID: <3DAD8EC0.5070500@t-online.de> Date: Wed, 16 Oct 2002 18:07:28 +0200 From: Daniel Rock User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; de-AT; rv:1.1) Gecko/20020826 X-Accept-Language: de, en-us, en MIME-Version: 1.0 To: Kris Kennaway Cc: obrien@freebsd.org, Alex Zepeda , current@freebsd.org Subject: Re: Perl 5.8 broken in current References: <3DAB2B21.5050205@t-online.de> <20021014204407.GA13015@blarf.homeip.net> <20021015000045.GA46774@dragon.nuxi.com> <3DAC50F0.3060408@t-online.de> <20021015175104.GA77964@xor.obsecurity.org> <3DACAED7.4020400@t-online.de> <20021016031242.GA92595@xor.obsecurity.org> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-Sender: 340029380333-0001@t-dialin.net Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG Kris Kennaway schrieb: >On Wed, Oct 16, 2002 at 02:12:07AM +0200, Daniel Rock wrote: > > > >>gprof "thinks" the runtime is only 8 seconds, while in reality it takes >>more than 2 minutes to complete the test. A small excerpt from gprof output >> >> > >Are you running a kernel with WITNESS enabled? This can really chew >up kernel CPU time if you're doing a lot of syscalls. > > > No, WITNESS not enabled. System calls should not be the problem. If I truss the process. Syscalls don't seem to be the problem. Most of the syscalls are break() syscalls, but no more than 10-20 per second. If I try to reduce the calling frequency (ln -sf ">>>>>" /etc/malloc.conf), runtime doesn't change significantly Daniel To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message