linux-kernel - Re: [PATCH 0/4] perf header: Save and reuse feature information in header (v3)

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Date:	Thu, 20 Sep 2012 07:44:21 -0600
From:	David Ahern <dsahern@...il.com>
To:	Namhyung Kim <namhyung@...nel.org>
CC:	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Mackerras <paulus@...ba.org>,
	Ingo Molnar <mingo@...nel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Stephane Eranian <eranian@...gle.com>
Subject: Re: [PATCH 0/4] perf header: Save and reuse feature information in
 header (v3)

On 9/19/12 11:36 PM, Namhyung Kim wrote:
> Hi,
>
> Currently the perf header information is used only at initial setup
> time and discarded.  If it's saved we could reuse the information for
> various purpose in the future.

When this gets settled can you update builtin-kvm too? The kvm-events 
patch too adds a perf_file_section__read_feature() function for 
extracting cpuid from the header.

David

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