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From: Andi Kleen <ak@linux.intel.com>
To: Stephane Eranian <eranian@google.com>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>,
	Namhyung Kim <namhyung@kernel.org>,
	LKML <linux-kernel@vger.kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	"mingo@elte.hu" <mingo@elte.hu>, Jiri Olsa <jolsa@redhat.com>
Subject: Re: [PATCH v1 0/4] perf: add ability to sample interrupted machine state
Date: Wed, 9 Jul 2014 08:47:18 -0700	[thread overview]
Message-ID: <20140709154718.GA19781@tassilo.jf.intel.com> (raw)
In-Reply-To: <CABPqkBRO-p4Nv=2L9J19LgGdTmLTDBbMVf5kWFC8LzpKqax+Yw@mail.gmail.com>

> 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@linux.intel.com -- Speaking for myself only

  reply	other threads:[~2014-07-09 15:47 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-07-08 22:15 [PATCH v1 0/4] perf: add ability to sample interrupted machine state Stephane Eranian
2014-07-08 22:15 ` [PATCH 1/4] perf: add ability to sample machine state on interrupt Stephane Eranian
2014-07-09 15:03   ` Arnaldo Carvalho de Melo
2014-07-09 15:46   ` Andi Kleen
2014-07-11  7:58   ` Jiri Olsa
2014-07-11  8:11   ` Jiri Olsa
2014-07-11  8:14   ` Jiri Olsa
2014-07-08 22:15 ` [PATCH 2/4] perf/x86: add support for sampling PEBS machine state registers Stephane Eranian
2014-07-11  8:15   ` Jiri Olsa
2014-07-08 22:15 ` [PATCH 3/4] perf tools: add core support for sampling intr machine state regs Stephane Eranian
2014-07-09 15:44   ` Andi Kleen
2014-07-11  8:20   ` Jiri Olsa
2014-07-11  8:25   ` Jiri Olsa
2014-07-14 17:54     ` Stephane Eranian
2014-07-11  8:27   ` Jiri Olsa
2014-07-08 22:15 ` [PATCH 4/4] perf record: add new -I option to sample interrupted machine state Stephane Eranian
2014-07-09 15:45   ` Andi Kleen
2014-07-14  8:00   ` Namhyung Kim
2014-07-14 17:52     ` Stephane Eranian
2014-07-09  8:26 ` [PATCH v1 0/4] perf: add ability " Namhyung Kim
2014-07-09 14:53   ` Arnaldo Carvalho de Melo
2014-07-09 15:26     ` Stephane Eranian
2014-07-09 15:47       ` Andi Kleen [this message]
2014-07-09 17:14         ` Stephane Eranian

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