From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: corbet@lwn.net (Jonathan Corbet) Newsgroups: gmane.emacs.devel,gmane.comp.version-control.bazaar-ng.general Subject: Re: Emacs repository benchmark: bzr and git Date: Tue, 18 Mar 2008 12:41:04 -0600 Message-ID: <18268.1205865664@vena.lwn.net> References: NNTP-Posting-Host: lo.gmane.org X-Trace: ger.gmane.org 1205870852 23884 80.91.229.12 (18 Mar 2008 20:07:32 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 18 Mar 2008 20:07:32 +0000 (UTC) Cc: bazaar@lists.canonical.com, Teemu Likonen , emacs-devel@gnu.org To: dhruva Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Tue Mar 18 21:08:01 2008 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.50) id 1Jbi62-0007Hu-QR for ged-emacs-devel@m.gmane.org; Tue, 18 Mar 2008 21:07:43 +0100 Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Jbi5S-0003VK-Nq for ged-emacs-devel@m.gmane.org; Tue, 18 Mar 2008 16:07:06 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1JbgkI-000257-T2 for emacs-devel@gnu.org; Tue, 18 Mar 2008 14:41:11 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1JbgkF-00023Y-3C for emacs-devel@gnu.org; Tue, 18 Mar 2008 14:41:10 -0400 Original-Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1JbgkE-00023T-UN for emacs-devel@gnu.org; Tue, 18 Mar 2008 14:41:06 -0400 Original-Received: from vena.lwn.net ([206.168.112.25]) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1JbgkE-00066k-GG for emacs-devel@gnu.org; Tue, 18 Mar 2008 14:41:06 -0400 Original-Received: by vena (Postfix, from userid 501) id E554F16CAFE; Tue, 18 Mar 2008 12:41:04 -0600 (MDT) Original-Received: from vena.lwn.net (localhost [127.0.0.1]) by vena (Postfix) with ESMTP id E2B4E16C984; Tue, 18 Mar 2008 12:41:04 -0600 (MDT) In-reply-to: Your message of "Tue, 18 Mar 2008 22:03:46 +0530." X-detected-kernel: by monty-python.gnu.org: Linux 2.6 (newer, 3) X-Mailman-Approved-At: Tue, 18 Mar 2008 16:05:58 -0400 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:92925 gmane.comp.version-control.bazaar-ng.general:38938 Archived-At: dhruva wrote: > How do I get rid of cache if I have to restart the tests? I plan to > analyze the '--lsprof' output to see if there is different code path > and the so called hot/cold cache making any difference. Assuming you're running on a Linux kernel: # sync # echo 3 > /proc/sys/vm/drop_caches That dumps everything which does not require writeback, leaving you with a quite cold cache. jon