From: Ingo Molnar <mingo@elte.hu>
To: Paul Mackerras <paulus@samba.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] perfcounters/powerpc: Add support for POWER5 processors
Date: Thu, 26 Feb 2009 06:35:34 +0100 [thread overview]
Message-ID: <20090226053534.GA25065@elte.hu> (raw)
In-Reply-To: <18854.9377.127957.306360@drongo.ozlabs.ibm.com>
* Paul Mackerras <paulus@samba.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@samba.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
prev parent reply other threads:[~2009-02-26 5:36 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-26 5:12 [PATCH] perfcounters/powerpc: Add support for POWER5 processors Paul Mackerras
2009-02-26 5:35 ` Ingo Molnar [this message]
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