Re: [patch] Real-Time Preemption, -RT-2.6.11-rc2-V0.7.36-04

[Lee Revell]

On Tue, 2005-02-01 at 21:17 +0100, Ingo Molnar wrote:
> * Lee Revell <rlrevell@xxxxxxxxxxx> wrote:
> 
> > Assuming it's still available, what is the config option to get the
> > "User-space atomicity debugging" feature?  This feature is extremely
> > useful for debugging complex JACK clients, several Linux audio
> > developers have asked me about it but I can't find the config option
> > anymore.
> 
> it's always-on in the -RT tree (it's a pretty low-overhead thing). I
> havent changed the mechanism so the jackd hacks from a couple of weeks
> ago should still work.
> 

OK.  So for application triggered tracing you need 
LATENCY_TRACING enabled, as described here:

http://lkml.org/lkml/2004/10/29/312

Lee

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/