linux-kernel - Re: [PATCH] perfcounters/powerpc: Add support for POWER5 processors

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Date:	Thu, 26 Feb 2009 06:35:34 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Paul Mackerras <paulus@...ba.org>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] perfcounters/powerpc: Add support for POWER5 processors


* Paul Mackerras <paulus@...ba.org> wrote:

> This adds the back-end for the PMU on the POWER5 processor.  This knows
> how to use the fixed-function PMC5 and PMC6 (instructions completed and
> run cycles).  Unlike POWER6, PMC5/6 obey the freeze conditions and can
> generate interrupts, so their use doesn't impose any extra restrictions.
> 
> POWER5+ is different and is not supported by this patch.
> 
> Signed-off-by: Paul Mackerras <paulus@...ba.org>
> ---
> Ingo, please pull this from my perfcounters.git tree master branch at:
> 
> git://git.kernel.org/pub/scm/linux/kernel/git/paulus/perfcounters.git master
> 
>  arch/powerpc/kernel/Makefile       |    3 +-
>  arch/powerpc/kernel/perf_counter.c |    4 +
>  arch/powerpc/kernel/power5-pmu.c   |  475 ++++++++++++++++++++++++++++++++++++
>  3 files changed, 481 insertions(+), 1 deletions(-)
>  create mode 100644 arch/powerpc/kernel/power5-pmu.c

Pulled into tip:perfcounters/core, thanks Paul!

	Ingo
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