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-rw-r--r--tools/perf/util/cgroup.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/tools/perf/util/cgroup.c b/tools/perf/util/cgroup.c
index 0e77bc9e5f3c..984f69144f87 100644
--- a/tools/perf/util/cgroup.c
+++ b/tools/perf/util/cgroup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include "util.h"
#include "../perf.h"
#include <subcmd/parse-options.h>
@@ -5,6 +6,9 @@
#include "cgroup.h"
#include "evlist.h"
#include <linux/stringify.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
int nr_cgroups;
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