From: Ingo Molnar <mingo@elte.hu>
To: Lee Revell <rlrevell@joe-job.com>
Cc: Fernando Lopez-Lezcano <nando@ccrma.Stanford.EDU>,
"Linux-Kernel," <linux-kernel@vger.kernel.org>
Subject: Re: 2.6.19-rc6-rt8: alsa xruns
Date: Tue, 28 Nov 2006 21:14:44 +0100 [thread overview]
Message-ID: <20061128201444.GB26934@elte.hu> (raw)
In-Reply-To: <1164744757.1701.58.camel@mindpipe>
* Lee Revell <rlrevell@joe-job.com> wrote:
> On Tue, 2006-11-28 at 11:58 -0800, Fernando Lopez-Lezcano wrote:
> > Hi, I'm trying out the latest -rt patch and getting alsa xruns when
> > using jackd and jack clients. This is a sample from the output of
> > qjackctl / jackd (jack 0.102.25, qjackctl 0.2.21):
>
> Any improvement if you disable high res timers?
>
> Also, the latency tracer does not work on dual core AMD machines due
> to the TSC drift. Might as well disable it.
i fixed this in -rt8: the latency tracer now uses the time of day
clocksource - pmtimer in this case. (that means function tracing is
slower than with the TSC, but latency figures are more reliable.)
Ingo
next prev parent reply other threads:[~2006-11-28 20:16 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-11-28 19:58 2.6.19-rc6-rt8: alsa xruns Fernando Lopez-Lezcano
2006-11-28 20:09 ` Ingo Molnar
2006-11-28 20:37 ` Fernando Lopez-Lezcano
2006-11-28 21:04 ` Fernando Lopez-Lezcano
2006-11-28 21:35 ` Fernando Lopez-Lezcano
2006-11-28 23:22 ` Fernando Lopez-Lezcano
2006-11-29 7:24 ` Ingo Molnar
2006-11-29 13:43 ` Ingo Molnar
2006-11-29 18:38 ` Fernando Lopez-Lezcano
2006-11-29 19:51 ` Ingo Molnar
2006-11-29 20:22 ` Fernando Lopez-Lezcano
2006-11-29 20:34 ` Fernando Lopez-Lezcano
2006-11-28 20:12 ` Lee Revell
2006-11-28 20:14 ` Ingo Molnar [this message]
2006-11-28 22:01 ` Daniel Walker
2006-11-29 7:21 ` Ingo Molnar
2006-11-29 16:24 ` Daniel Walker
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