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Diffstat (limited to 'samples/bpf/test_overhead_tp.bpf.c')
-rw-r--r--samples/bpf/test_overhead_tp.bpf.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/samples/bpf/test_overhead_tp.bpf.c b/samples/bpf/test_overhead_tp.bpf.c
new file mode 100644
index 000000000000..67cab3881969
--- /dev/null
+++ b/samples/bpf/test_overhead_tp.bpf.c
@@ -0,0 +1,48 @@
+/* Copyright (c) 2016 Facebook
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
+ */
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+
+/* from /sys/kernel/debug/tracing/events/task/task_rename/format */
+struct task_rename {
+ __u64 pad;
+ __u32 pid;
+ char oldcomm[TASK_COMM_LEN];
+ char newcomm[TASK_COMM_LEN];
+ __u16 oom_score_adj;
+};
+SEC("tracepoint/task/task_rename")
+int prog(struct task_rename *ctx)
+{
+ return 0;
+}
+
+/* from /sys/kernel/debug/tracing/events/fib/fib_table_lookup/format */
+struct fib_table_lookup {
+ __u64 pad;
+ __u32 tb_id;
+ int err;
+ int oif;
+ int iif;
+ __u8 proto;
+ __u8 tos;
+ __u8 scope;
+ __u8 flags;
+ __u8 src[4];
+ __u8 dst[4];
+ __u8 gw4[4];
+ __u8 gw6[16];
+ __u16 sport;
+ __u16 dport;
+ char name[16];
+};
+SEC("tracepoint/fib/fib_table_lookup")
+int prog2(struct fib_table_lookup *ctx)
+{
+ return 0;
+}
+char _license[] SEC("license") = "GPL";