From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 6825 invoked by alias); 8 Feb 2006 15:18:13 -0000 Received: (qmail 6814 invoked by uid 22791); 8 Feb 2006 15:18:13 -0000 X-Spam-Status: No, hits=-2.6 required=5.0 tests=AWL,BAYES_00,SPF_HELO_PASS,SPF_PASS X-Spam-Check-By: sourceware.org Received: from mx1.redhat.com (HELO mx1.redhat.com) (66.187.233.31) by sourceware.org (qpsmtpd/0.31) with ESMTP; Wed, 08 Feb 2006 15:18:11 +0000 Received: from int-mx1.corp.redhat.com (int-mx1.corp.redhat.com [172.16.52.254]) by mx1.redhat.com (8.12.11/8.12.11) with ESMTP id k18FI9BA013025 for ; Wed, 8 Feb 2006 10:18:09 -0500 Received: from pobox.toronto.redhat.com (pobox.toronto.redhat.com [172.16.14.4]) by int-mx1.corp.redhat.com (8.11.6/8.11.6) with ESMTP id k18FI8116904; Wed, 8 Feb 2006 10:18:08 -0500 Received: from touchme.toronto.redhat.com (IDENT:postfix@touchme.toronto.redhat.com [172.16.14.9]) by pobox.toronto.redhat.com (8.12.8/8.12.8) with ESMTP id k18FI8je009053; Wed, 8 Feb 2006 10:18:08 -0500 Received: from ton.toronto.redhat.com (ton.toronto.redhat.com [172.16.14.15]) by touchme.toronto.redhat.com (Postfix) with ESMTP id 276968000D8; Wed, 8 Feb 2006 10:18:08 -0500 (EST) Received: from ton.toronto.redhat.com (localhost.localdomain [127.0.0.1]) by ton.toronto.redhat.com (8.13.1/8.13.1) with ESMTP id k18FI7fe023404; Wed, 8 Feb 2006 10:18:07 -0500 Received: (from fche@localhost) by ton.toronto.redhat.com (8.13.1/8.13.1/Submit) id k18FI6g5023401; Wed, 8 Feb 2006 10:18:06 -0500 X-Authentication-Warning: ton.toronto.redhat.com: fche set sender to fche@redhat.com using -f To: David A Sperry Cc: Li Guanglei , systemtap@sources.redhat.com Subject: Re: Another Newbie question about measuring time in a sys call References: From: fche@redhat.com (Frank Ch. Eigler) Date: Wed, 08 Feb 2006 15:18:00 -0000 In-Reply-To: Message-ID: User-Agent: Gnus/5.0808 (Gnus v5.8.8) Emacs/21.3 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Mailing-List: contact systemtap-help@sourceware.org; run by ezmlm Precedence: bulk List-Subscribe: List-Post: List-Help: , Sender: systemtap-owner@sourceware.org X-SW-Source: 2006-q1/txt/msg00432.txt.bz2 David_A_Sperry wrote: > [...] > syscall creat count 3211 avg 38 min 33 max 1760 > [...] > From this quick test I can see that syscall creat has at least one call > that took a long time. Really cool! AFAIK, top does not perform any file creation. Did you change the script to monitor other processes too? (You can store execname() etc. in auxiliary arrays.) - FChE