Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262670AbVAVGtG (ORCPT ); Sat, 22 Jan 2005 01:49:06 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262672AbVAVGtG (ORCPT ); Sat, 22 Jan 2005 01:49:06 -0500 Received: from mail24.syd.optusnet.com.au ([211.29.133.165]:8942 "EHLO mail24.syd.optusnet.com.au") by vger.kernel.org with ESMTP id S262670AbVAVGs6 (ORCPT ); Sat, 22 Jan 2005 01:48:58 -0500 Message-ID: <41F1F735.1000603@kolivas.org> Date: Sat, 22 Jan 2005 17:48:21 +1100 From: Con Kolivas User-Agent: Mozilla Thunderbird 1.0 (X11/20041206) X-Accept-Language: en-us, en MIME-Version: 1.0 To: "Jack O'Quin" Cc: Rui Nuno Capela , 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> <41F19907.2020809@kolivas.org> <87k6q6c7fz.fsf@sulphur.joq.us> In-Reply-To: <87k6q6c7fz.fsf@sulphur.joq.us> 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="------------enigF2B00D48C1431CE5461736DF" Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3429 Lines: 93 This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enigF2B00D48C1431CE5461736DF Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Jack O'Quin wrote: > Con Kolivas writes: > > >>Here's fresh results on more stressed hardware (on ext3) with >>2.6.11-rc1-mm2 (which by the way has SCHED_ISO v2 included). The load >>hovering at 50% spikes at times close to 70 which tests the behaviour >>under iso throttling. > > > What version of JACK are you running (`jackd --version')? > > You're still getting zero Delay Max. That is an important measure. Ok updated jackd Here's an updated set of runs. Not very impressive even with SCHED_FIFO, but the same from both policies. ==> jack_test4-2.6.11-rc1-mm2-fifo.log <== Number of runs . . . . . . . :( 1) ********************************************* Timeout Count . . . . . . . . :( 0) XRUN Count . . . . . . . . . : 404 Delay Count (>spare time) . . : 0 Delay Count (>1000 usecs) . . : 0 Delay Maximum . . . . . . . . : 261254 usecs Cycle Maximum . . . . . . . . : 2701 usecs Average DSP Load. . . . . . . : 52.4 % Average CPU System Load . . . : 5.1 % Average CPU User Load . . . . : 18.1 % Average CPU Nice Load . . . . : 0.0 % Average CPU I/O Wait Load . . : 0.0 % Average CPU IRQ Load . . . . : 0.0 % Average CPU Soft-IRQ Load . . : 0.0 % Average Interrupt Rate . . . : 1699.3 /sec Average Context-Switch Rate . : 19018.9 /sec ********************************************* Delta Maximum . . . . . . . . : 0.00000 ********************************************* ==> jack_test4-2.6.11-rc1-mm2-iso.log <== Number of runs . . . . . . . :( 1) ********************************************* Timeout Count . . . . . . . . :( 0) XRUN Count . . . . . . . . . : 408 Delay Count (>spare time) . . : 0 Delay Count (>1000 usecs) . . : 0 Delay Maximum . . . . . . . . : 269804 usecs Cycle Maximum . . . . . . . . : 2449 usecs Average DSP Load. . . . . . . : 52.6 % Average CPU System Load . . . : 5.0 % Average CPU User Load . . . . : 17.8 % Average CPU Nice Load . . . . : 0.0 % Average CPU I/O Wait Load . . : 0.1 % Average CPU IRQ Load . . . . : 0.0 % Average CPU Soft-IRQ Load . . : 0.0 % Average Interrupt Rate . . . : 1699.2 /sec Average Context-Switch Rate . : 19041.0 /sec ********************************************* Delta Maximum . . . . . . . . : 0.00000 ********************************************* I've updated the pretty graphs and removed the dud runs from here: http://ck.kolivas.org/patches/SCHED_ISO/iso2-benchmarks/ Con --------------enigF2B00D48C1431CE5461736DF 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 iD8DBQFB8fc1ZUg7+tp6mRURAo+nAKCJOMWrH5LQ6s3+VE/1j9iya20TiwCfSlRP aBftyu43ixikPJ4uN5JWLvY= =FFps -----END PGP SIGNATURE----- --------------enigF2B00D48C1431CE5461736DF-- - 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/