Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262411AbVAUQZS (ORCPT ); Fri, 21 Jan 2005 11:25:18 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262416AbVAUQZS (ORCPT ); Fri, 21 Jan 2005 11:25:18 -0500 Received: from mail26.syd.optusnet.com.au ([211.29.133.167]:41624 "EHLO mail26.syd.optusnet.com.au") by vger.kernel.org with ESMTP id S262415AbVAUQYl (ORCPT ); Fri, 21 Jan 2005 11:24:41 -0500 Message-ID: <41F12C94.4030808@kolivas.org> Date: Sat, 22 Jan 2005 03:23:48 +1100 From: Con Kolivas User-Agent: Mozilla Thunderbird 1.0 (X11/20041206) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Rui Nuno Capela Cc: "Jack O'Quin" , linux , Ingo Molnar , rlrevell@joe-job.com, paul@linuxaudiosystems.com, CK Kernel , utz , Andrew Morton , alexn@dsv.su.se Subject: Re: [PATCH]sched: Isochronous class v2 for unprivileged soft rt scheduling References: <41EEE1B1.9080909@kolivas.org> <41EF00ED.4070908@kolivas.org> <873bwwga0w.fsf@sulphur.joq.us> <41EF123D.703@kolivas.org> <87ekgges2o.fsf@sulphur.joq.us> <41EF2E7E.8070604@kolivas.org> <87oefkd7ew.fsf@sulphur.joq.us> <10752.195.245.190.93.1106211979.squirrel@195.245.190.93> <65352.195.245.190.94.1106240981.squirrel@195.245.190.94> <874qhb99rv.fsf@sulphur.joq.us> <1728.195.245.190.93.1106299090.squirrel@195.245.190.93> In-Reply-To: <1728.195.245.190.93.1106299090.squirrel@195.245.190.93> X-Enigmail-Version: 0.89.5.0 X-Enigmail-Supports: pgp-inline, pgp-mime Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enig6ED8CABDE729889A0F65A6A2" Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3020 Lines: 85 This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig6ED8CABDE729889A0F65A6A2 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Rui Nuno Capela wrote: > Jack O'Quin wrote: > >>[...] Looking at the graph, it appears that your DSP load is hovering >>above 70% most of the time. This happens to be the default threshold >>for revoking realtime privileges. Perhaps that is the problem. Try >>running it with the threshold set to 90%. (I don't recall exactly >>how, but I think there's a /proc/sys/kernel control somewhere.) >> > > > It would be nice to know which one really is :) Here are what I have here: > > # grep . /proc/sys/kernel > /proc/sys/kernel/bootloader_type:2 > /proc/sys/kernel/cad_pid:1 > /proc/sys/kernel/cap-bound:-257 > /proc/sys/kernel/core_pattern:core > /proc/sys/kernel/core_uses_pid:1 > /proc/sys/kernel/ctrl-alt-del:0 > /proc/sys/kernel/debug_direct_keyboard:0 > /proc/sys/kernel/domainname:(none) > /proc/sys/kernel/hostname:lambda > /proc/sys/kernel/hotplug:/sbin/hotplug > /proc/sys/kernel/kernel_preemption:1 > /proc/sys/kernel/modprobe:/sbin/modprobe > /proc/sys/kernel/msgmax:8192 > /proc/sys/kernel/msgmnb:16384 > /proc/sys/kernel/msgmni:16 > /proc/sys/kernel/ngroups_max:65536 > /proc/sys/kernel/osrelease:2.6.11-rc1-RT-V0.7.35-01.0 > /proc/sys/kernel/ostype:Linux > /proc/sys/kernel/overflowgid:65534 > /proc/sys/kernel/overflowuid:65534 > /proc/sys/kernel/panic:0 > /proc/sys/kernel/panic_on_oops:0 > /proc/sys/kernel/pid_max:32768 > /proc/sys/kernel/printk:3 4 1 7 > /proc/sys/kernel/printk_ratelimit:5 > /proc/sys/kernel/printk_ratelimit_burst:10 > /proc/sys/kernel/prof_pid:-1 > /proc/sys/kernel/sem:250 32000 32 128 > /proc/sys/kernel/shmall:2097152 > /proc/sys/kernel/shmmax:33554432 > /proc/sys/kernel/shmmni:4096 > /proc/sys/kernel/sysrq:1 > /proc/sys/kernel/tainted:0 > /proc/sys/kernel/threads-max:8055 > /proc/sys/kernel/unknown_nmi_panic:0 > /proc/sys/kernel/version:#1 Mon Jan 17 15:15:21 WET 2005 > > My eyes can't find anything related, but you know how intuitive these > things are ;) He means when using the SCHED_ISO patch. Then you'd have iso_cpu and iso_period, which you have neither of so you are not using SCHED_ISO. Cheers, Con --------------enig6ED8CABDE729889A0F65A6A2 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.4 (GNU/Linux) Comment: Using GnuPG with Thunderbird - http://enigmail.mozdev.org iD8DBQFB8SyWZUg7+tp6mRURAitlAJ9C+8yz9cjXFL+JbgD04Kaa42YP1QCeJZ+4 uiFkGJ0qatAl+rT7RrjNHPk= =zaGg -----END PGP SIGNATURE----- --------------enig6ED8CABDE729889A0F65A6A2-- - 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/