linux-kernel - Re: [PATCH v2 2/2] perf tools: add attr->mmap2 support

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Message-ID: <20130912063529.GA11583@gmail.com>
Date:	Thu, 12 Sep 2013 08:35:29 +0200
From:	Ingo Molnar <mingo@...nel.org>
To:	Arnaldo Carvalho de Melo <acme@...stprotocols.net>
Cc:	Stephane Eranian <eranian@...gle.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	"mingo@...e.hu" <mingo@...e.hu>,
	"ak@...ux.intel.com" <ak@...ux.intel.com>,
	Jiri Olsa <jolsa@...hat.com>,
	Namhyung Kim <namhyung.kim@....com>,
	David Ahern <dsahern@...il.com>
Subject: Re: [PATCH v2 2/2] perf tools: add attr->mmap2 support


* Arnaldo Carvalho de Melo <acme@...stprotocols.net> wrote:

> I haven't performed all these tests when running on an older kernel, 
> just checked that PERF_RECORD_MMAP was present, PERF_RECORD_MMAP2, as 
> expected, were not, probably they will be present only for the 
> synthesized events, right? The ones coming from the kernel were all 
> PERF_RECORD_MMAP, as expected.

Older kernel functionality looked fine here.

Thanks,

	Ingo
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