linux-kernel - Re: [patchlet] perf_counter tools: add --input=file option to builtin-sched.c

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Date:	Fri, 18 Sep 2009 08:37:59 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Mike Galbraith <efault@....de>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Mackerras <paulus@...ba.org>
Subject: Re: [patchlet] perf_counter tools: add --input=file option to
	builtin-sched.c


* Mike Galbraith <efault@....de> wrote:

> perf_counter tools: add --input=file option to builtin-sched.c.
> 
> perf sched record passes unparsed args on to perf record, so 
> specifying an output file via perf sched record -o FILE (cmd) just 
> works.  Ergo, provide an option to specify input file as well.

Indeed, that's very useful when one keeps older (or different) traces 
around, renamed from perf.data to something else. It basically pushes 
the file based 'perf session' concept to perf sched as well.

> Also add the missing 'map' command to help.

Applied your fixes/enhancements to tip:perfcounters/core, thanks Mike!

	Ingo
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