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SubjectRe: [PATCH 3/3] tracing/function-return-tracer: add the overrun field

On Tue, 18 Nov 2008, Ingo Molnar wrote:
> >
> > Ok I will try with 50. If there are still a lot and often missing
> > traces with this depth, perhaps should we consider a hybrid solution
> > between ret stack and trampolines? We could use the normal ret stack
> > on struct info for most common cases and the trampoline when we are
> > exceeding the depth....
>
> dunno, trampolines make me feel uneasy.
>
> Could you set it to some really large value (200) and add a "max depth
> seen" variable perhaps, and see the maximum depth?

Don't run that on a box you care about ;-) But hopefully the stacks will
not collide. This should also depend on IRQSTACKS.

-- Steve



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