Re: [GIT PULL v6] hw-breakpoints: Rewrite on top of perf events v6

From: Ingo Molnar
Date: Thu Nov 26 2009 - 04:01:52 EST



* Frederic Weisbecker <fweisbec@xxxxxxxxx> wrote:

> > Well we have PERF_TYPE_BREAKPOINT right now. I agree that it should
> > be finalized in some sort of extensible ABI real soon - we dont want
> > (and dont need to) add all features that might be possible in the
> > future.
>
> Concerning in-kernel users, it's not a worry. The in-kernel api is not
> supposed to be stable and shouldn't, especially for such a very young
> facility like generic breakpoints.

in-kernel we dont worry about indeed (we can change and iterate APIs
freely there) - it is PERF_TYPE_BREAKPOINT that we need to make sure is
extensible enough.

Thanks,

Ingo
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