From: Christian Kujau Subject: Re: [Jfs-discussion] benchmark results Date: Fri, 25 Dec 2009 10:56:53 -0800 (PST) Message-ID: References: <19251.26403.762180.228181@tree.ty.sabi.co.uk> <20091224212756.GM21594@thunk.org> <20091225161453.GD32757@thunk.org> <20091225162238.GB19303@bitmover.com> <20091225163341.GE32757@thunk.org> Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Cc: Larry McVoy , jfs-discussion@lists.sourceforge.net, linux-nilfs@vger.kernel.org, xfs@oss.sgi.com, reiserfs-devel@vger.kernel.org, Peter Grandi , ext-users , linux-ext4@vger.kernel.org, linux-btrfs@vger.kernel.org To: tytso@mit.edu Return-path: In-Reply-To: <20091225163341.GE32757@thunk.org> Sender: reiserfs-devel-owner@vger.kernel.org List-Id: linux-ext4.vger.kernel.org On Fri, 25 Dec 2009 at 11:33, tytso@mit.edu wrote: > caches, though; if you are going to measure read as well as writes, > then you'll probably want to do something like "echo 3 > > /proc/sys/vm/drop-caches". Thanks for the hint, I could find sys/vm/drop-caches documented in Documentation/ but it's good to know there's a way to flush all these caces via this knob. Maybe I should add this to those "genric" tests to be more comparable to the other benchmarks. Christian. -- BOFH excuse #210: We didn't pay the Internet bill and it's been cut off.