linux-kernel - Re: [PATCH v3] powerpc/perf: Implement get_cpu

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Message-ID: <1408515707.15841.3.camel@concordia>
Date:	Wed, 20 Aug 2014 16:21:47 +1000
From:	Michael Ellerman <mpe@...erman.id.au>
To:	Sukadev Bhattiprolu <sukadev@...ux.vnet.ibm.com>
Cc:	Jiri Olsa <jolsa@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...nel.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3] powerpc/perf: Implement get_cpu_str()

On Mon, 2014-08-18 at 17:08 -0700, Sukadev Bhattiprolu wrote:
> powerpc/perf: Implement get_cpu_str()
> 
> With a file ~/.cache/pmu-events/004d0100-core.json describing Power8
> PMU events we would need to run:
> 
> 	perf stat \
> 		--events-file ~/.cache/pmu-events/004d0100-core.json \
> 		-e PM_CYC sleep 1
> 
> With this get_cpu_str(), On Powerpc, we can skip the --events-file option
> and run:
> 
> 	perf stat -e PM_CYC sleep 1
> 
> Signed-off-by: Sukadev Bhattiprolu <sukadev@...ux.vnet.ibm.com>

Acked-by: Michael Ellerman <mpe@...erman.id.au>

cheers




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