linux-kernel - Re: [GIT PULL||RFC 00/11] perf library and regression testing improvements

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Date:	Tue, 4 Jan 2011 13:30:00 -0200
From:	Arnaldo Carvalho de Melo <acme@...radead.org>
To:	Stephane Eranian <eranian@...gle.com>
Cc:	linux-kernel@...r.kernel.org,
	Frederic Weisbecker <fweisbec@...il.com>,
	Han Pingtian <phan@...hat.com>, Mike Galbraith <efault@....de>,
	Paul Mackerras <paulus@...ba.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Tom Zanussi <tzanussi@...il.com>,
	Thomas Gleixner <tglx@...utronix.de>, mingo@...e.hu
Subject: Re: [GIT PULL||RFC 00/11] perf library and regression testing
 improvements

Em Tue, Jan 04, 2011 at 04:10:17PM +0100, Stephane Eranian escreveu:
> Ok, The problem comes both files picking up a different verison for
> perf_event.h.
> 
> In my case, util/evsel.c was using /usr/include/linux/perf_event.h whereas
> builtin-stat.c was using ../../include/linux/perf_event.h. Both have a different
> struct perf_event_attr.
> 
> When I remove the /usr/include/linux/perf_event.h file, then I cannot compile
> perf anymore:
> In file included from perf.c:15:
> util/parse-events.h:7:30: error: linux/perf_event.h: No such file or directory
> 
> Looks like something changed in the Makefile and the util modules don't know
> where to pickup perf_event.h

With the patch below now we have all as:

[acme@...icio linux]$ find tools/ -name "*.[ch]" | xargs grep 'include.\+perf_event\.h'
tools/perf/util/session.h:#include "../../../include/linux/perf_event.h"
tools/perf/util/header.h:#include "../../../include/linux/perf_event.h"
tools/perf/util/evsel.h:#include "../../../include/linux/perf_event.h"
tools/perf/perf.h:#include "../../include/linux/perf_event.h"
[acme@...icio linux]$

Can you try it so that I can get your Acked-by and Tested-by?

diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h
index 863d78d..a0ccd69 100644
--- a/tools/perf/util/evsel.h
+++ b/tools/perf/util/evsel.h
@@ -3,7 +3,7 @@
 
 #include <linux/list.h>
 #include <stdbool.h>
-#include <linux/perf_event.h>
+#include "../../../include/linux/perf_event.h"
 #include "types.h"
 #include "xyarray.h"
  
diff --git a/tools/perf/util/parse-events.h b/tools/perf/util/parse-events.h
index 1c9043c..cefef9a 100644
--- a/tools/perf/util/parse-events.h
+++ b/tools/perf/util/parse-events.h
@@ -4,9 +4,9 @@
  * Parse symbolic events/counts passed in as options:
  */
 
-#include <linux/perf_event.h>
+#include <linux/list.h>
+#include "types.h"
 
-struct list_head;
 struct perf_evsel;
 
 extern struct list_head evsel_list;
--
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