Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754671Ab0KLQOK (ORCPT ); Fri, 12 Nov 2010 11:14:10 -0500 Received: from ms01.sssup.it ([193.205.80.99]:47881 "EHLO sssup.it" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1750810Ab0KLQOI (ORCPT ); Fri, 12 Nov 2010 11:14:08 -0500 Subject: Re: [RFC][PATCH 15/22] sched: add traceporints for -deadline tasks From: Raistlin To: Peter Zijlstra Cc: Ingo Molnar , Thomas Gleixner , Steven Rostedt , Chris Friesen , oleg@redhat.com, Frederic Weisbecker , Darren Hart , Johan Eker , "p.faure" , linux-kernel , Claudio Scordino , michael trimarchi , Fabio Checconi , Tommaso Cucinotta , Juri Lelli , Nicola Manica , Luca Abeni , Dhaval Giani , Harald Gustafsson , paulmck In-Reply-To: <1289505274.2084.187.camel@laptop> References: <1288333128.8661.137.camel@Palantir> <1288334334.8661.156.camel@Palantir> <1289505274.2084.187.camel@laptop> Content-Type: multipart/signed; micalg="pgp-sha1"; protocol="application/pgp-signature"; boundary="=-GJOZCfx2C5IJtIWmv25y" Date: Fri, 12 Nov 2010 17:13:29 +0100 Message-ID: <1289578409.6525.533.camel@Palantir> Mime-Version: 1.0 X-Mailer: Evolution 2.28.3 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1766 Lines: 51 --=-GJOZCfx2C5IJtIWmv25y Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Thu, 2010-11-11 at 20:54 +0100, Peter Zijlstra wrote: > On Fri, 2010-10-29 at 08:38 +0200, Raistlin wrote: > > Add tracepoints for the most notable events related to -deadline > > tasks scheduling (new task arrival, context switch, runtime accounting, > > bandwidth enforcement timer, etc.). > > > We've already got sched_switch(), better extend that. Same for the next > patch, we already have a migration tracepoint, extend that. >=20 > And I recently rejected a fifo push/pull tracepoint patch from Steve > because the migration tracepoint was able to provide the same > information. >=20 Perfectly fine. I'll see how do that without spamming too much the trace with data that are meaningless for non-deadline tasks. Thanks, Dario --=20 <> (Raistlin Majere) ---------------------------------------------------------------------- Dario Faggioli, ReTiS Lab, Scuola Superiore Sant'Anna, Pisa (Italy) http://blog.linux.it/raistlin / raistlin@ekiga.net / dario.faggioli@jabber.org --=-GJOZCfx2C5IJtIWmv25y Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) iEYEABECAAYFAkzdZ6kACgkQk4XaBE3IOsRr2wCaAlOEYTgNGS2+x36cTJGRONWd 0C4AoKRgbFJ3gp/rO0JRkehR+4wvl/YI =wi+n -----END PGP SIGNATURE----- --=-GJOZCfx2C5IJtIWmv25y-- -- 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/