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-rw-r--r--tools/perf/util/data.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/perf/util/data.h b/tools/perf/util/data.h
index 173132d502f5..effcc195d7e9 100644
--- a/tools/perf/util/data.h
+++ b/tools/perf/util/data.h
@@ -4,6 +4,7 @@
#include <stdio.h>
#include <stdbool.h>
+#include <unistd.h>
#include <linux/types.h>
enum perf_data_mode {