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-rw-r--r--tools/perf/util/pstack.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/perf/util/pstack.h b/tools/perf/util/pstack.h
index c3cb6584d527..ded7f2e36624 100644
--- a/tools/perf/util/pstack.h
+++ b/tools/perf/util/pstack.h
@@ -10,5 +10,6 @@ bool pstack__empty(const struct pstack *pstack);
void pstack__remove(struct pstack *pstack, void *key);
void pstack__push(struct pstack *pstack, void *key);
void *pstack__pop(struct pstack *pstack);
+void *pstack__peek(struct pstack *pstack);
#endif /* _PERF_PSTACK_ */