linux-kernel - Re: [PATCH] perf tools: Fix reading of perf.data file header

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Date:	Fri, 07 Aug 2009 10:18:39 +0200
From:	Brice Goglin <Brice.Goglin@...ia.fr>
To:	Ingo Molnar <mingo@...e.hu>
CC:	Peter Zijlstra <a.p.zijlstra@...llo.nl>, paulus@...ba.org,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] perf tools: Fix reading of perf.data file header

Ingo Molnar wrote:
> I completely forgot about it. And since we now have --scale enabled 
> by default (and it doesnt make much sense to disable it i guess), it 
> would not be a big issue to rename that -c/--scale to free up that 
> flag for -S/--stat?
>
> 	Ingo
>   


Here you are. But how do you switch "scale" off now that it's disabled
by default?
I tried --scale=0, --no-scale and so on without apparently succeeding.

Brice

[PATCH] perf stat: change -S for --scale into -c

Signed-off-by: Brice Goglin <Brice.Goglin@...ia.fr>

Index: linux-rc/tools/perf/Documentation/perf-stat.txt
===================================================================
--- linux-rc.orig/tools/perf/Documentation/perf-stat.txt	2009-08-07 10:09:40.000000000 +0200
+++ linux-rc/tools/perf/Documentation/perf-stat.txt	2009-08-07 10:09:46.000000000 +0200
@@ -40,7 +40,7 @@
 -a::
         system-wide collection
 
--S::
+-c::
         scale counter values
 
 EXAMPLES
Index: linux-rc/tools/perf/builtin-stat.c
===================================================================
--- linux-rc.orig/tools/perf/builtin-stat.c	2009-08-07 09:46:49.000000000 +0200
+++ linux-rc/tools/perf/builtin-stat.c	2009-08-07 10:07:44.000000000 +0200
@@ -496,7 +496,7 @@
 		    "stat events on existing pid"),
 	OPT_BOOLEAN('a', "all-cpus", &system_wide,
 		    "system-wide collection from all CPUs"),
-	OPT_BOOLEAN('S', "scale", &scale,
+	OPT_BOOLEAN('c', "scale", &scale,
 		    "scale/normalize counters"),
 	OPT_BOOLEAN('v', "verbose", &verbose,
 		    "be more verbose (show counter open errors, etc)"),


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