hist_entry__append_callchain() must check if the sample
has a callcahin or it will append the callchain from
a previous sample.
Signed-off-by: Adrian Hunter <adrian.hun...@intel.com>
---
tools/perf/util/callchain.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/perf/util/callchain.c b/tools/perf/util/callchain.c
index 48b6d3f..437ee09 100644
--- a/tools/perf/util/callchain.c
+++ b/tools/perf/util/callchain.c
@@ -626,7 +626,7 @@ int sample__resolve_callchain(struct perf_sample *sample,
struct symbol **parent
int hist_entry__append_callchain(struct hist_entry *he, struct perf_sample
*sample)
{
- if (!symbol_conf.use_callchain)
+ if (!symbol_conf.use_callchain || sample->callchain == NULL)
return 0;
return callchain_append(he->callchain, &callchain_cursor,
sample->period);
}
--
1.8.3.2
--
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