linux-kernel - Re: [PATCH] perf record: Add record.build-id config option

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Date:	Tue, 15 Dec 2015 09:16:02 +0100
From:	Jiri Olsa <jolsa@...hat.com>
To:	Namhyung Kim <namhyung@...nel.org>
Cc:	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Ingo Molnar <mingo@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	LKML <linux-kernel@...r.kernel.org>,
	David Ahern <dsahern@...il.com>,
	Taeung Song <treeze.taeung@...il.com>
Subject: Re: [PATCH] perf record: Add record.build-id config option

On Tue, Dec 15, 2015 at 10:49:56AM +0900, Namhyung Kim wrote:
> Post processing at perf record takes long time on big machines.  What it
> does is to find build-id of related binaries.  Sometimes we just want to
> skip the processing and get the result quickly.  Add a new config option
> to control this behavior.
> 
> The record.build-id config variable can have one of following:
> 
>  - cache: post-process data and save/update the binaries into the
>           build-id cache (in ~/.debug).  This is default.
>  - no-cache: post-process data but not update the build-id cache.
>              Same effect with using -N option.
>  - skip: skip post-processing and not update the cache.
>          Same effect with using -B option.

Acked-by: Jiri Olsa <jolsa@...nel.org>

thanks,
jirka
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