1 files changed, 0 insertions, 54 deletions
diff --git a/samples/bpf/tracex4_kern.c b/samples/bpf/tracex4_kern.c
deleted file mode 100644
index 6dd8e384de96..000000000000
--- a/samples/bpf/tracex4_kern.c
+++ /dev/null
@@ -1,54 +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_helpers.h"
-
-struct pair {
-	u64 val;
-	u64 ip;
-};
-
-struct bpf_map_def SEC("maps") my_map = {
-	.type = BPF_MAP_TYPE_HASH,
-	.key_size = sizeof(long),
-	.value_size = sizeof(struct pair),
-	.max_entries = 1000000,
-};
-
-/* 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;