linux-kernel - Re: [PATCH RESEND] perf sched: Move struct perf_sched definition out of cmd

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Date:	Sun, 7 Jul 2013 16:45:38 +0200
From:	Jiri Olsa <jolsa@...hat.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>,
	Namhyung Kim <namhyung.kim@....com>,
	LKML <linux-kernel@...r.kernel.org>,
	David Ahern <dsahern@...il.com>,
	Stephane Eranian <eranian@...gle.com>
Subject: Re: [PATCH RESEND] perf sched: Move struct perf_sched definition out
 of cmd_sched()

On Tue, Jun 04, 2013 at 02:46:19PM +0900, Namhyung Kim wrote:
> From: Namhyung Kim <namhyung.kim@....com>
> 
> For some reason it consumed quite amount of compile time when declared
> as local variable, and it disappeared when moved out of the function.
> Moving other variables/tables didn't help.
> 
> On my system this single-file-change build time reduced from 11s to 3s.

cooool.. I spent some time wondering what was the reason in the past, nice! :-)

jirka
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