RE: [PATCH 2.6.x] additional kernel event notifications

[Villacis, Juan]

Hi,

"Anton Blanchard" <anton@xxxxxxxxx> writes:
> Could you please explain why you cant build on top of oprofile? If
arch
> specific profilers start going in, we are going to have 5 different
ways
> of doing the same thing.

The patch we submitted adds 4 generic hooks to the existing set of
profiling hooks.  These additional hooks can be used to help performance
tools such as Oprofile and VTune to not mis-attribute performance data.

> We really need to work together on this. We for example have a bunch
of
> ppc64 profiling stuff but throwing that into the kernel to create yet
> another profiler is not the answer.

We are open to the possibility of including the VTune driver into the
base kernel, perhaps in an architecture-dependent area.  It could
complement existing profilers.

-juan

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