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-rw-r--r--tools/perf/util/bpf_counter_cgroup.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/perf/util/bpf_counter_cgroup.c b/tools/perf/util/bpf_counter_cgroup.c
index 68bd994c8880..17d7196c6589 100644
--- a/tools/perf/util/bpf_counter_cgroup.c
+++ b/tools/perf/util/bpf_counter_cgroup.c
@@ -4,6 +4,7 @@
/* Copyright (c) 2021 Google */
#include <assert.h>
+#include <errno.h>
#include <limits.h>
#include <unistd.h>
#include <sys/file.h>