Re: Unified tracing buffer

[Peter Zijlstra]

On Tue, 2008-09-23 at 00:25 -0500, Tom Zanussi wrote:

> - get rid of anything having to do with padding, nobody needs it and its
> only affect has been to horribly distort and complicate a lot of the
> code
> - get rid of sub-buffers, they just cause confusion
> - get rid of mmap, nobody uses it
> - no sub-buffers and no mmap support means we can get rid of most of the
> callbacks, and a lot of API confusion along with them
> - add relay flags - they probably should have been used from the
> beginning and options made explicit instead of being shoehorned into the
> callback functions.

 - get rid of the vmap buffers as they cause tlb pressure and eat up
precious vspace on 32 bit platforms.

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