Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755336AbYAGKvg (ORCPT ); Mon, 7 Jan 2008 05:51:36 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752807AbYAGKv1 (ORCPT ); Mon, 7 Jan 2008 05:51:27 -0500 Received: from viefep18-int.chello.at ([213.46.255.22]:57028 "EHLO viefep19-int.chello.at" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752772AbYAGKv0 (ORCPT ); Mon, 7 Jan 2008 05:51:26 -0500 Subject: Re: [PATCH 00/11] another rt group sched update From: Peter Zijlstra To: LKML Cc: Ingo Molnar , Balbir Singh , dmitry.adamushko@gmail.com, Srivatsa Vaddagiri , Steven Rostedt , Gregory Haskins , Thomas Gleixner In-Reply-To: <20080106161128.152634000@chello.nl> References: <20080106161128.152634000@chello.nl> Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="=-UI1TLGURxUan3GH4MmWW" Date: Mon, 07 Jan 2008 11:51:20 +0100 Message-Id: <1199703080.7143.24.camel@twins> Mime-Version: 1.0 X-Mailer: Evolution 2.12.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1717 Lines: 52 --=-UI1TLGURxUan3GH4MmWW Content-Type: text/plain Content-Transfer-Encoding: quoted-printable The list of open points and issues for this work: - review/testing - handle the PI case better The only thing I can come up with currently is to basically have two priority arrays one for boosted and one for non boosted tasks, and normally run the highest of either array, but in the case of a throttled group, only pick from the boosted array. Not sure I like that for its space overhead, Steven? - I occasionally see a weird lockup on iterating the task_groups list on smp machines. - I failed to see anything wrong, but hey, this stack of used brown paper bags is steadily growing. - figure out what to do for UID based group scheduling, the current implementation leaves it impossible for !root users to execute real time tasks by setting rt_runtime_us to 0, and it has no way to change it. Srivatsa, what happened to the per uid weight patches?, Perhaps we can extend that interface to allow changing this. - I guess documentation needs to be written ;-) --=-UI1TLGURxUan3GH4MmWW Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (GNU/Linux) iD8DBQBHggQoXA2jU0ANEf4RAjevAKCEICt2HWsCAp/YpdAaOnu6IzVAUgCeKpW3 3o3FNZ5axKjmyi8T+ZxGBBI= =Sebz -----END PGP SIGNATURE----- --=-UI1TLGURxUan3GH4MmWW-- -- 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/