Re: Remove xrun debugging?

[Lee Revell <rlrevell@joe-job.com>]

On Sun, 2006-04-23 at 21:56 +0100, John Rigg wrote:
> On Sun, Apr 23, 2006 at 12:18:34PM -0400, Lee Revell wrote:
> > On Sun, 2006-04-23 at 17:45 +0200, Florian Schmidt wrote:
> > > On Sun, 23 Apr 2006 00:43:24 -0400
> > > Lee Revell <rlrevell@joe-job.com> wrote:
> > > 
> > > > Can the xrun debug feature of ALSA please be removed?  It was obsoleted
> > > > long ago by the latency tracing feature of the -rt kernel, and has not
> > > > been used to find a bug since 2004.  At this point it's just confusing
> > > > to users.
> > > 
> > > It still might prove useful for non -rt users. I don't know exactly how
> > > useful, but maybe it's really a documentation bug. Put a note in the
> > > helpfile that much finer debugging can be done with the -rt kernels.
> > 
> > I don't think it's useful at all - any bugs that it could have found
> > were fixed long ago.  I have not seen useful output from it in a year
> > and a half.
> 
> Not everyone can use the -rt kernel. Last time I tried it there were still
> issues with x86_64 SMP (multiple single CPUs, not dual chip). Admittedly
> this was a couple of months ago, but on my dual Opteron I'm still running 
> vanilla 2.6.14.4.

The latency tracer is available as a separate patch against the mainline
kernel.

Lee



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