Re: [patch 4/5] x86, ptrace: new ptrace BTS API

[Ingo Molnar]

* Markus Metzger <markus.t.metzger@xxxxxxxxx> wrote:

> Here's the new ptrace BTS API that supports two different overflow 
> handling mechanisms (wrap-around and buffer-full-signal) to support 
> two different use cases (debugging and profiling).
> 
> It further combines buffer allocation and configuration.
> 
> Opens:
> - memory rlimit
> - overflow signal
> 
> What would be the right signal to use?

i think we tend to have such signal targets configurable (like in the 
POSIX timers APIs) - or we could use SIGIO. I've Cc:-ed Ulrich - maybe 
he has some specific ideas how to structure this.

	Ingo
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