[Cbe-oss-dev] PS3 performance analysis - errors on loading cellperfctr module

[Arnd Bergmann]

On Tuesday 11 December 2007, Geoff Levand wrote:
> The Cell's hardware profiling support is a hypervisor resource, so on PS3
> you cannot access those resources directly as you can when Linux is running
> on the raw hardware.  The IBM Cell Blade for example runs without a hypervisor,
> and it uses cellperfctr.ko.  There currently is no Linux profiling support
> on PS3 other than the standard oprofile timer based sampling that the
> generic powerpc code provides.
> 
> In general there is a desire to provide some kind of Cell specific profiling
> support for the PS3, but nothing has been announced.

What about the stuff at
http://git.kernel.org/?p=linux/kernel/git/eranian/linux-2.6.git;a=commitdiff;h=0c39912be3f6cc5df13f107354a97f4bd6c96643

This at least seems to be on a public server. Is that only work in progress,
or is it usable to some degree?

	Arnd <><