Re: scheduling anomaly on uml (was: -rt doesn't compile for UML)

From: Ingo Molnar
Date: Thu Nov 29 2007 - 14:27:08 EST



* Miklos Szeredi <miklos@xxxxxxxxxx> wrote:

> > heh :-) Scheduling isnt hard either - and looking at traces
> > (especially with mcount_enabled=1) certainly helps.
>
> I still don't know what mcount_enabled=1 should do. I didn't see any
> difference in the trace after enabling it.

if you build with CONFIG_FUNCTION_TRACING then you should see a trace of
*every* function call done within the kernel. Warning: reading it can be
very addictive ;-)

Ingo
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