Re: [Cbe-oss-dev] [RFC, PATCH] CELL PPU Oprofile SPU profilingupdated patch

From: Benjamin Herrenschmidt
Date: Mon Feb 05 2007 - 19:51:30 EST


On Mon, 2007-02-05 at 16:28 -0800, Carl Love wrote:
> This is the first update to the patch previously posted by Maynard
> Johnson as "PATCH 4/4. Add support to OProfile for profiling CELL".
>
> There are still a few items from the comments being discussed
> specifically how to profile the dynamic code for the SPFS context
> switch
> code and how to deal with dynamic code stubs for library support. Our
> proposal is to assign the samples from the SPFS and dynamic library
> code
> to an anonymous sample bucket. The support for properly handling the
> symbol extraction in these cases would be deferred to a later SDK.
>
> There is also a bug in profiling overlay code that we are
> investigating.
>
> Subject: Add support to OProfile for profiling Cell BE SPUs
>
> From: Maynard Johnson <maynardj@xxxxxxxxxx>
>
> This patch updates the existing arch/powerpc/oprofile/op_model_cell.c
> to add in the SPU profiling capabilities. In addition, a 'cell'
> subdirectory
> was added to arch/powerpc/oprofile to hold Cell-specific SPU profiling
> code.
>
> Signed-off-by: Carl Love <carll@xxxxxxxxxx>
> Signed-off-by: Maynard Johnson <mpjohn@xxxxxxxxxx>

Patch got mangled. You seem to be using evolution, make sure you use the
"Preformat" style when posting a patch.

Ben.


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