Messages in this thread | | | Date | Tue, 18 Nov 2008 09:23:25 -0500 (EST) | From | Steven Rostedt <> | Subject | Re: [PATCH 3/3] tracing/function-return-tracer: add the overrun field |
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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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