linux-kernel - Re: [PATCH v1 11/11] x86: perf: intel_bts: Add core dump related functionality

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Message-ID: <87r47fl2gs.fsf@ashishki-desk.ger.corp.intel.com>
Date:	Fri, 07 Feb 2014 11:02:59 +0200
From:	Alexander Shishkin <alexander.shishkin@...ux.intel.com>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Ingo Molnar <mingo@...hat.com>, linux-kernel@...r.kernel.org,
	Frederic Weisbecker <fweisbec@...il.com>,
	Mike Galbraith <efault@....de>,
	Paul Mackerras <paulus@...ba.org>,
	Stephane Eranian <eranian@...gle.com>,
	Adrian Hunter <adrian.hunter@...el.com>,
	Matt Fleming <matt.fleming@...el.com>
Subject: Re: [PATCH v1 11/11] x86: perf: intel_bts: Add core dump related functionality

Andi Kleen <andi@...stfloor.org> writes:

> Alexander Shishkin <alexander.shishkin@...ux.intel.com> writes:
>
>> BTS data can be used in process core dumps. This patch implements itrace
>> core dump related hooks that will configure and output BTS traces into
>> a core file.
>
> Don't we need a different note number here? 
>
> Otherwise how should the debugger know if it's BTS or PT.

The pmu name is part of the note as well as its itrace_config.

Regards,
--
Alex
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