linux-kernel - Re: [PATCH V2 3/6] perf tools: add infrastructure for PMU specific configuration

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Date:	Thu, 21 Jul 2016 09:47:11 +0200
From:	Jiri Olsa <jolsa@...hat.com>
To:	Mathieu Poirier <mathieu.poirier@...aro.org>
Cc:	acme@...nel.org, jolsa@...nel.org, peterz@...radead.org,
	mingo@...hat.com, alexander.shishkin@...ux.intel.com,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH V2 3/6] perf tools: add infrastructure for PMU specific
 configuration

On Wed, Jul 20, 2016 at 02:38:17PM -0600, Mathieu Poirier wrote:
> This patchset adds PMU driver specific configuration to the parser
> infrastructure by preceding any term with the '@' letter.  As such
> doing something like:
> 
> perf record -e some_event/@...1,@cfg2=config/ ...
> 
> will see 'cfg1' and 'cfg2=config' being added to the list of evsel config
> terms.  Token 'cfg1' and 'cfg2=config' are not processed in user space
> and are meant to be interpreted by the PMU driver.

please also update the docs, like 'Documentation/perf-record.txt --event option'

thanks,
jirka