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Subject[tip:perf/core] perf tools: Mark branch_info maps as referenced
Commit-ID:  3cf0cb1f899640f1eb8b3984739cfd70375c9c36
Gitweb: http://git.kernel.org/tip/3cf0cb1f899640f1eb8b3984739cfd70375c9c36
Author: Stephane Eranian <eranian@google.com>
AuthorDate: Mon, 14 Jan 2013 15:02:45 +0100
Committer: Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Thu, 24 Jan 2013 16:40:38 -0300

perf tools: Mark branch_info maps as referenced

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@google.com>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung.kim@lge.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20130114140245.GA4692@quad
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.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);


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