Re: [PATCH 9/18] 2.6.17.9 perfmon2 patch for review: kernel-level interface

From: Christoph Hellwig
Date: Fri Aug 25 2006 - 09:44:41 EST


On Fri, Aug 25, 2006 at 02:56:37AM -0400, Chuck Ebbert wrote:
> > Yes, I think we either need a stronger argument for including this code, or
> > we drop it.
>
> This interface is for people writing kprobes who want to do performance
> monitoring within their probe code. There will probably never be any
> in-kernel users, just like there are no in-kernel users of kprobes.

Wrong argument. There is a in-tree user of kprobes and I plan to submit
a lot more. If people want to write kprobes for performance mintoring
they should submit them for inclusion and we can then find a proper
API for it - the current one is rather horrible anyway.

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