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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>
This commit is contained in:
Stephane Eranian 2013-01-14 15:02:45 +01:00 committed by Arnaldo Carvalho de Melo
parent 865c66c418
commit 3cf0cb1f89
1 changed files with 8 additions and 0 deletions
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8
tools/perf/util/hist.c
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@ -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);