linux-kernel - Re: [PATCH/RFC v1 0/2] Human readable performance event description in sysfs

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Date:	Wed, 20 Jan 2010 14:39:39 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	Jamie Iles <jamie.iles@...ochip.com>
Cc:	Michał Nazarewicz <m.nazarewicz@...sung.com>,
	Tomasz Fujak <t.fujak@...sung.com>, jpihet@...sta.com,
	p.osciak@...sung.com, will.deacon@....com,
	linux-kernel@...r.kernel.org, kyungmin.park@...sung.com,
	mingo@...e.hu, linux-arm-kernel@...ts.infradead.org,
	m.szyprowski@...sung.com
Subject: Re: [PATCH/RFC v1 0/2] Human readable performance event
 description in sysfs

On Wed, 2010-01-20 at 13:31 +0000, Jamie Iles wrote:
> Personally I think this is a good idea. At the moment 'perf list' gives lots
> of events that the system isn't capable of counting. Admittedly it's fairly
> easy to see if they are supported but it would be nice if the list reflected
> the countable events. perf already does this for the tracing events so it
> would be nice if it did the same for the hardware events. I guess the same
> hierarchy would be nice too. 

This seems to be missing the patch that extends perf list to report the
support and counting status for the events on the current machine :-)

Furthermore, /proc/cpuinfo should be enough information to come up with
an arch specific set of events to be translated into raw.


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