From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753829Ab0F3LBN (ORCPT ); Wed, 30 Jun 2010 07:01:13 -0400 Received: from mail-ew0-f46.google.com ([209.85.215.46]:46680 "EHLO mail-ew0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751990Ab0F3LBM (ORCPT ); Wed, 30 Jun 2010 07:01:12 -0400 Date: Wed, 30 Jun 2010 12:01:03 +0100 From: Eric B Munson To: Peter Zijlstra Cc: mingo@elte.hu, paulus@samba.org, acme@redhat.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Anton Blanchard Subject: Re: [PATCH] Add munmap events to perf Message-ID: <20100630110103.GA8216@us.ibm.com> References: <1277748484-23882-1-git-send-email-ebmunson@us.ibm.com> <1277755486.3561.140.camel@laptop> <20100629083323.GA6917@us.ibm.com> <1277810866.1868.32.camel@laptop> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="nFreZHaLTZJo0R7j" Content-Disposition: inline In-Reply-To: <1277810866.1868.32.camel@laptop> User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --nFreZHaLTZJo0R7j Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, 29 Jun 2010, Peter Zijlstra wrote: > On Tue, 2010-06-29 at 09:33 +0100, Eric B Munson wrote: > > On Mon, 28 Jun 2010, Peter Zijlstra wrote: > >=20 > > > On Mon, 2010-06-28 at 19:08 +0100, Eric B Munson wrote: > > > > This patch adds a new software event for munmaps. It will allows > > > > users to profile changes to address space. munmaps will be tracked > > > > with mmaps. > > >=20 > > > Why? > > >=20 > >=20 > > It is going to be used by a tool that will model memory usage over the > > lifetime of a process. >=20 > Wouldn't it be better to use some tracepoints for that instead? I want > to keep the sideband data to a minimum required to interpret the sample > data, and you don't need unmap events for that. >=20 >=20 Sure, I will get it moved to a tracepoint event instead. --=20 Eric B Munson IBM Linux Technology Center ebmunson@us.ibm.com --nFreZHaLTZJo0R7j Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) iEYEARECAAYFAkwrI+8ACgkQsnv9E83jkzr4WgCfQqLAuPW3/56uAF8bxSYeN6OG 5YYAnRTBBaJmmS6ubEGCs9ZuLbOpAtBN =EmkR -----END PGP SIGNATURE----- --nFreZHaLTZJo0R7j--