linux-kernel - [PATCH 54/74] perf tools: Mark branch

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Message-Id: <1359058103-31645-55-git-send-email-acme@infradead.org>
Date:	Thu, 24 Jan 2013 17:08:03 -0300
From:	Arnaldo Carvalho de Melo <acme@...radead.org>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	linux-kernel@...r.kernel.org,
	Stephane Eranian <eranian@...gle.com>,
	Ingo Molnar <mingo@...e.hu>, Jiri Olsa <jolsa@...hat.com>,
	Namhyung Kim <namhyung.kim@....com>,
	Peter Zijlstra <peterz@...radead.org>,
	Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: [PATCH 54/74] perf tools: Mark branch_info maps as referenced

From: Stephane Eranian <eranian@...gle.com>

As noticed by Jiri, the hist_entry->branch_info.to/from maps need to be
marked as referenced to avoid problems later on.  So we do this when the
hist_entry is allocated.

Signed-off-by: Stephane Eranian <eranian@...gle.com>
Acked-by: Jiri Olsa <jolsa@...hat.com>
Cc: Ingo Molnar <mingo@...e.hu>
Cc: Jiri Olsa <jolsa@...hat.com>
Cc: Namhyung Kim <namhyung.kim@....com>
Cc: Peter Zijlstra <peterz@...radead.org>
Link: http://lkml.kernel.org/r/20130114140245.GA4692@quad
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/util/hist.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index 9485c70..8170a3d 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -245,6 +245,14 @@ static struct hist_entry *hist_entry__new(struct hist_entry *template)
 
 		if (he->ms.map)
 			he->ms.map->referenced = true;
+
+		if (he->branch_info) {
+			if (he->branch_info->from.map)
+				he->branch_info->from.map->referenced = true;
+			if (he->branch_info->to.map)
+				he->branch_info->to.map->referenced = true;
+		}
+
 		if (symbol_conf.use_callchain)
 			callchain_init(he->callchain);
 
-- 
1.8.1.1.361.gec3ae6e

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