linux-kernel - Re: [PATCH v1 0/4] perf: add ability to sample interrupted machine state

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Message-ID: <20140709154718.GA19781@tassilo.jf.intel.com>
Date:	Wed, 9 Jul 2014 08:47:18 -0700
From:	Andi Kleen <ak@...ux.intel.com>
To:	Stephane Eranian <eranian@...gle.com>
Cc:	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Namhyung Kim <namhyung@...nel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	"mingo@...e.hu" <mingo@...e.hu>, Jiri Olsa <jolsa@...hat.com>
Subject: Re: [PATCH v1 0/4] perf: add ability to sample interrupted machine
 state

> Value profiling means sampling the values of function arguments passed in
> registers.

You can use it for more, e.g. it's also useful to sample loop iterations.

-Andi

-- 
ak@...ux.intel.com -- Speaking for myself only
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