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Date:	Thu, 12 Dec 2013 12:16:16 -0700
From:	David Ahern <dsahern@...il.com>
To:	Arnaldo Carvalho de Melo <acme@...stprotocols.net>
CC:	Adrian Hunter <adrian.hunter@...el.com>,
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Ingo Molnar <mingo@...hat.com>, linux-kernel@...r.kernel.org,
	Frederic Weisbecker <fweisbec@...il.com>,
	Jiri Olsa <jolsa@...hat.com>, Mike Galbraith <efault@....de>,
	Namhyung Kim <namhyung@...il.com>,
	Paul Mackerras <paulus@...ba.org>,
	Stephane Eranian <eranian@...gle.com>,
	Andi Kleen <ak@...ux.intel.com>
Subject: Re: [PATCH v0 07/71] perf tools: Record whether a dso is 64-bit

On 12/12/13, 12:05 PM, Arnaldo Carvalho de Melo wrote:

> Well, if we can pass somehow the magic number of an executable mmap
> in the PERF_RECORD_MMAP2 record, we would be able, together with the
> data we already have in the perf.data header (uname in a live session),
> to figure that out, no?

Sure, but any kernel-side only solution will be extremely limited in 
user base for years.

David
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