1 files changed, 42 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/progs/test_overhead.c b/tools/testing/selftests/bpf/progs/test_overhead.c
new file mode 100644
index 000000000..abb7344b5
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_overhead.c
@@ -0,0 +1,42 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2019 Facebook */
+#include <stdbool.h>
+#include <stddef.h>
+#include <linux/bpf.h>
+#include <linux/ptrace.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+struct task_struct;
+
+SEC("kprobe/__set_task_comm")
+int BPF_KPROBE(prog1, struct task_struct *tsk, const char *buf, bool exec)
+{
+	return !tsk;
+}
+
+SEC("kretprobe/__set_task_comm")
+int BPF_KRETPROBE(prog2, int ret)
+{
+	return ret;
+}
+
+SEC("raw_tp/task_rename")
+int prog3(struct bpf_raw_tracepoint_args *ctx)
+{
+	return !ctx->args[0];
+}
+
+SEC("fentry/__set_task_comm")
+int BPF_PROG(prog4, struct task_struct *tsk, const char *buf, bool exec)
+{
+	return 0;
+}
+
+SEC("fexit/__set_task_comm")
+int BPF_PROG(prog5, struct task_struct *tsk, const char *buf, bool exec)
+{
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";