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-rw-r--r--tools/perf/ui/hist.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/tools/perf/ui/hist.c b/tools/perf/ui/hist.c
index f164bd26fc41..2bf959d08354 100644
--- a/tools/perf/ui/hist.c
+++ b/tools/perf/ui/hist.c
@@ -11,6 +11,7 @@
#include "../util/sort.h"
#include "../util/evsel.h"
#include "../util/evlist.h"
+#include "../util/thread.h"
#include "../util/util.h"
/* hist period print (hpp) functions */
@@ -274,7 +275,9 @@ static int __hpp__sort_acc(struct hist_entry *a, struct hist_entry *b,
if (ret)
return ret;
- if (a->thread != b->thread || !hist_entry__has_callchains(a) || !symbol_conf.use_callchain)
+ if ((a->thread == NULL ? NULL : RC_CHK_ACCESS(a->thread)) !=
+ (b->thread == NULL ? NULL : RC_CHK_ACCESS(b->thread)) ||
+ !hist_entry__has_callchains(a) || !symbol_conf.use_callchain)
return 0;
ret = b->callchain->max_depth - a->callchain->max_depth;