Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755414AbZCLHIU (ORCPT ); Thu, 12 Mar 2009 03:08:20 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751690AbZCLHIK (ORCPT ); Thu, 12 Mar 2009 03:08:10 -0400 Received: from 82-117-125-11.tcdsl.calypso.net ([82.117.125.11]:44722 "EHLO smtp.drzeus.cx" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751539AbZCLHIJ (ORCPT ); Thu, 12 Mar 2009 03:08:09 -0400 Date: Thu, 12 Mar 2009 08:07:58 +0100 From: Pierre Ossman To: Steven Rostedt Cc: linux-kernel@vger.kernel.org, Ingo Molnar , Andrew Morton , Peter Zijlstra , Frederic Weisbecker , Wu Fengguang , Pekka Paalanen , Neil Horman Subject: Re: [PATCH 0/4] [GIT PULL] memory saving ring buffer for tip/tracing/ftrace Message-ID: <20090312080758.4a14d5b4@mjolnir.ossman.eu> In-Reply-To: <20090312023720.144716747@goodmis.org> References: <20090312023720.144716747@goodmis.org> X-Mailer: Claws Mail 3.7.0 (GTK+ 2.15.5; x86_64-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: multipart/signed; micalg=PGP-SHA1; protocol="application/pgp-signature"; boundary="=_freyr.drzeus.cx-6291-1236841684-0001-2" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2103 Lines: 62 This is a MIME-formatted message. If you see this text it means that your E-mail software does not support MIME-formatted messages. --=_freyr.drzeus.cx-6291-1236841684-0001-2 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On Wed, 11 Mar 2009 22:37:20 -0400 Steven Rostedt wrote: > Ingo, >=20 > This patch series implements a better memory management by the > ring buffer. It only allocates the buffers for the online CPUS, as well > as keeps the buffers to a minimum size until they are used. >=20 > Please pull the latest tip/tracing/ftrace tree, which can be found at: >=20 > git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-trace.g= it > tip/tracing/ftrace >=20 >=20 > Steven Rostedt (4): > tracing: keep ring buffer to minimum size till used > tracing: expand the ring buffers when an event is activated > tracing: fix trace_wait to know to wait on all cpus or just one > ring-buffer: only allocate buffers for online cpus >=20 How difficult is it to apply this to 2.6.27? Fedora is still on that kernel and it would be nice if I could get my memory back on a distribution kernel. :) Rgds --=20 -- Pierre Ossman WARNING: This correspondence is being monitored by the Swedish government. Make sure your server uses encryption for SMTP traffic and consider using PGP for end-to-end encryption. --=_freyr.drzeus.cx-6291-1236841684-0001-2 Content-Type: application/pgp-signature; name="signature.asc" Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename=signature.asc -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.11 (GNU/Linux) iEYEARECAAYFAkm4tNAACgkQ7b8eESbyJLg+ZwCdGxWc4ZlzC+B3UkVgbbp6qKD9 B/MAoPW0n2+odTLWPriyaRE/P6/Gi8Z0 =hbr4 -----END PGP SIGNATURE----- --=_freyr.drzeus.cx-6291-1236841684-0001-2-- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/