linux-kernel - [PATCH] perf: Keep the perf_event

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Message-ID: <20120822083540.GB1003@krava.brq.redhat.com>
Date:	Wed, 22 Aug 2012 10:35:40 +0200
From:	Jiri Olsa <jolsa@...hat.com>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc:	mingo@...nel.org, eranian@...gle.com, acme@...hat.com,
	gorcunov@...nvz.org, benjamin.redelings@...cent.org,
	fweisbec@...il.com, robert.richter@....com, drepper@...il.com,
	tglx@...utronix.de, cjashfor@...ux.vnet.ibm.com, asharma@...com,
	paulus@...ba.org, linux-kernel@...r.kernel.org, hpa@...or.com,
	fche@...hat.com, tzanussi@...il.com,
	masami.hiramatsu.pt@...achi.com, mingo@...e.hu
Subject: [PATCH] perf: Keep the perf_event_attr on version 3

On Tue, Aug 21, 2012 at 07:11:56PM +0200, Peter Zijlstra wrote:
> On Tue, 2012-08-21 at 08:49 -0700, tip-bot for Jiri Olsa wrote:
> >  #define PERF_ATTR_SIZE_VER3    88      /* add: sample_regs_user */
> > +#define PERF_ATTR_SIZE_VER4    96      /* add: sample_stack_user */
> 
> Both are introduced in this patch set, there's no release in between,
> why are we doing two version increments? Seems like pointless version
> space inflation to me.

not sure why I did that, attached patch returns that to version3

jirka

---
Stashing version 4 under version 3 and removing version 4,
because both version changes were within single patchset.

Reported-by: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: Arnaldo Carvalho de Melo <acme@...stprotocols.net>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: Ingo Molnar <mingo@...e.hu>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Corey Ashford <cjashfor@...ux.vnet.ibm.com>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Signed-off-by: Jiri Olsa <jolsa@...hat.com>
---
 include/linux/perf_event.h | 4 ++--
 tools/perf/util/header.c   | 1 -
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 297ca3d..28f9cee 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -205,8 +205,8 @@ enum perf_event_read_format {
 #define PERF_ATTR_SIZE_VER0	64	/* sizeof first published struct */
 #define PERF_ATTR_SIZE_VER1	72	/* add: config2 */
 #define PERF_ATTR_SIZE_VER2	80	/* add: branch_sample_type */
-#define PERF_ATTR_SIZE_VER3	88	/* add: sample_regs_user */
-#define PERF_ATTR_SIZE_VER4	96	/* add: sample_stack_user */
+#define PERF_ATTR_SIZE_VER3	96	/* add: sample_regs_user */
+					/* add: sample_stack_user */
 
 /*
  * Hardware event_id to monitor via a performance monitoring event:
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index 1e5b6aa..5ed4812 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -1831,7 +1831,6 @@ static const int attr_file_abi_sizes[] = {
 	[1] = PERF_ATTR_SIZE_VER1,
 	[2] = PERF_ATTR_SIZE_VER2,
 	[3] = PERF_ATTR_SIZE_VER3,
-	[4] = PERF_ATTR_SIZE_VER4,
 	0,
 };
 
-- 
1.7.11.4

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