linux-kernel - Re: [PATCH 6/7] sh: oprofile: Use perf-events oprofile backend

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Message-ID: <20101006183549.GW13563@erda.amd.com>
Date:	Wed, 6 Oct 2010 20:35:49 +0200
From:	Robert Richter <robert.richter@....com>
To:	Matt Fleming <matt@...sole-pimps.org>
CC:	Will Deacon <will.deacon@....com>,
	Paul Mundt <lethal@...ux-sh.org>,
	Russell King <linux@....linux.org.uk>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-sh@...r.kernel.org" <linux-sh@...r.kernel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...e.hu>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	"linux-arch@...r.kernel.org" <linux-arch@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Deng-Cheng Zhu <dengcheng.zhu@...il.com>,
	Grant Likely <grant.likely@...retlab.ca>
Subject: Re: [PATCH 6/7] sh: oprofile: Use perf-events oprofile backend

On 04.10.10 16:44:24, Matt Fleming wrote:
> Now that we've got a generic perf-events based oprofile backend we might
> as well make use of it seeing as SH doesn't do anything special with its
> oprofile backend. Also introduce a new CONFIG_HW_PERF_EVENTS symbol so
> that we can fallback to using the timer interrupt for oprofile if the
> CPU doesn't support perf events.
> 
> Signed-off-by: Matt Fleming <matt@...sole-pimps.org>
> ---
>  arch/sh/Kconfig            |   13 +++++
>  arch/sh/oprofile/Makefile  |    4 ++
>  arch/sh/oprofile/common.c  |  109 ++++---------------------------------------
>  arch/sh/oprofile/op_impl.h |   33 -------------
>  4 files changed, 28 insertions(+), 131 deletions(-)
>  delete mode 100644 arch/sh/oprofile/op_impl.h

This patch looks good.

We might merge it with patch 7/7.

-Robert

-- 
Advanced Micro Devices, Inc.
Operating System Research Center

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