1 files changed, 0 insertions, 55 deletions
diff --git a/samples/bpf/tracex4_kern.c b/samples/bpf/tracex4_kern.c
deleted file mode 100644
index eb0f8fdd14bf..000000000000
--- a/samples/bpf/tracex4_kern.c
+++ /dev/null
@@ -1,55 +0,0 @@
-/* Copyright (c) 2015 PLUMgrid, http://plumgrid.com
- *
- * 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 <linux/ptrace.h>
-#include <linux/version.h>
-#include <uapi/linux/bpf.h>
-#include <bpf/bpf_helpers.h>
-#include <bpf/bpf_tracing.h>
-
-struct pair {
-	u64 val;
-	u64 ip;
-};
-
-struct {
-	__uint(type, BPF_MAP_TYPE_HASH);
-	__type(key, long);
-	__type(value, struct pair);
-	__uint(max_entries, 1000000);
-} my_map SEC(".maps");
-
-/* kprobe is NOT a stable ABI. If kernel internals change this bpf+kprobe
- * example will no longer be meaningful
- */
-SEC("kprobe/kmem_cache_free")
-int bpf_prog1(struct pt_regs *ctx)
-{
-	long ptr = PT_REGS_PARM2(ctx);
-
-	bpf_map_delete_elem(&my_map, &ptr);
-	return 0;
-}
-
-SEC("kretprobe/kmem_cache_alloc_node")
-int bpf_prog2(struct pt_regs *ctx)
-{
-	long ptr = PT_REGS_RC(ctx);
-	long ip = 0;
-
-	/* get ip address of kmem_cache_alloc_node() caller */
-	BPF_KRETPROBE_READ_RET_IP(ip, ctx);
-
-	struct pair v = {
-		.val = bpf_ktime_get_ns(),
-		.ip = ip,
-	};
-
-	bpf_map_update_elem(&my_map, &ptr, &v, BPF_ANY);
-	return 0;
-}
-char _license[] SEC("license") = "GPL";
-u32 _version SEC("version") = LINUX_VERSION_CODE;