1 files changed, 5 insertions, 0 deletions
diff --git a/tools/perf/util/tool.h b/tools/perf/util/tool.h
index 89ff1b551a74..b0e1aadba8d5 100644
--- a/tools/perf/util/tool.h
+++ b/tools/perf/util/tool.h
@@ -1,8 +1,13 @@
 #ifndef __PERF_TOOL_H
 #define __PERF_TOOL_H
 
+#include <stdbool.h>
+
 struct perf_session;
+union perf_event;
+struct perf_evlist;
 struct perf_evsel;
+struct perf_sample;
 struct perf_tool;
 struct machine;