From: "Michael J. Cohen" <mjc@unre.st>
To: Ingo Molnar <mingo@elte.hu>
Cc: sboyce@blueyonder.co.uk, linux-kernel@vger.kernel.org
Subject: Re: [patch] Real-Time Preemption, -RT-2.6.10-rc1-mm2-V0.7.7
Date: Fri, 05 Nov 2004 14:53:51 -0500 [thread overview]
Message-ID: <1099684431.7964.6.camel@optie.uni.325i.org> (raw)
In-Reply-To: <20041104193819.GB10107@elte.hu>
On Thu, 2004-11-04 at 20:38 +0100, Ingo Molnar wrote:
> * Michael J. Cohen <mjc@unre.st> wrote:
>
> > threw in your tcp_window oneliner mentioned in another thread and that
> > seemed to curb the lockups I was getting. xmms+jackd in realtime mode
> > is getting some xruns during any kind of IDE activity. network isn't
> > quite as fussy.
>
> hm, have you chrt-ed the soundcard IRQ to a fifo priority higher than
> 50?
>
> Ingo
> -
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on my x86-64, there doesn't seem to be an irq for snd-intel8x0.
optie ~ # cat /proc/interrupts
CPU0
0: 1406459 IO-APIC-edge timer
8: 0 IO-APIC-edge rtc
9: 0 IO-APIC-level acpi
14: 33574 IO-APIC-edge ide0
15: 21 IO-APIC-edge ide1
177: 624454 IO-APIC-level eth0
185: 286001 IO-APIC-level libata, ehci_hcd, ohci_hcd, ohci_hcd
193: 37964 IO-APIC-level AMD AMD8111
NMI: 0
LOC: 1406207
ERR: 0
MIS: 0
ps ax doesn't seem to show anything sound-related except jackd so I
tried chrt -f 75 jackd -R -d alsa -P -HMm -z s -o 6
result during an emerge metadata on V0.7.13:
**** alsa_pcm: xrun of at least 133.973 msecs
**** alsa_pcm: xrun of at least 78.544 msecs
**** alsa_pcm: xrun of at least 245.494 msecs
*much* better but we're shooting for 0 xruns, no?
------
Michael Cohen
next prev parent reply other threads:[~2004-11-05 19:54 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-11-03 17:08 Sid Boyce
2004-11-03 18:51 ` K.R. Foley
2004-11-04 0:00 ` Sid Boyce
2004-11-04 1:40 ` K.R. Foley
2004-11-04 9:59 ` Michael J. Cohen
2004-11-04 10:06 ` Ingo Molnar
2004-11-04 10:23 ` Michael J. Cohen
2004-11-04 11:17 ` Ingo Molnar
2004-11-04 11:17 ` Michael J. Cohen
2004-11-04 11:45 ` Ingo Molnar
2004-11-04 12:59 ` Michael J. Cohen
2004-11-04 13:34 ` Michael J. Cohen
2004-11-04 14:05 ` Ingo Molnar
2004-11-04 14:13 ` Michael J. Cohen
2004-11-04 14:23 ` Ingo Molnar
2004-11-04 18:31 ` Michael J. Cohen
2004-11-04 19:38 ` Ingo Molnar
2004-11-05 12:16 ` Sid Boyce
2004-11-05 19:53 ` Michael J. Cohen [this message]
2004-11-06 7:36 ` Ingo Molnar
2004-11-04 12:53 ` Sid Boyce
2004-11-03 20:40 [patch] Real-Time Preemption, -RT-2.6.10-rc1-mm2-V0.7.1 Mark_H_Johnson
2004-11-04 0:17 ` [patch] Real-Time Preemption, -RT-2.6.10-rc1-mm2-V0.7.7 Rui Nuno Capela
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