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