1 files changed, 0 insertions, 99 deletions
diff --git a/samples/bpf/tracex2.bpf.c b/samples/bpf/tracex2.bpf.c
deleted file mode 100644
index 0a5c75b367be..000000000000
--- a/samples/bpf/tracex2.bpf.c
+++ /dev/null
@@ -1,99 +0,0 @@
-/* Copyright (c) 2013-2015 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 "vmlinux.h"
-#include <linux/version.h>
-#include <bpf/bpf_helpers.h>
-#include <bpf/bpf_tracing.h>
-#include <bpf/bpf_core_read.h>
-
-struct {
-	__uint(type, BPF_MAP_TYPE_HASH);
-	__type(key, long);
-	__type(value, long);
-	__uint(max_entries, 1024);
-} 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/kfree_skb_reason")
-int bpf_prog2(struct pt_regs *ctx)
-{
-	long loc = 0;
-	long init_val = 1;
-	long *value;
-
-	/* read ip of kfree_skb_reason caller.
-	 * non-portable version of __builtin_return_address(0)
-	 */
-	BPF_KPROBE_READ_RET_IP(loc, ctx);
-
-	value = bpf_map_lookup_elem(&my_map, &loc);
-	if (value)
-		*value += 1;
-	else
-		bpf_map_update_elem(&my_map, &loc, &init_val, BPF_ANY);
-	return 0;
-}
-
-static unsigned int log2(unsigned int v)
-{
-	unsigned int r;
-	unsigned int shift;
-
-	r = (v > 0xFFFF) << 4; v >>= r;
-	shift = (v > 0xFF) << 3; v >>= shift; r |= shift;
-	shift = (v > 0xF) << 2; v >>= shift; r |= shift;
-	shift = (v > 0x3) << 1; v >>= shift; r |= shift;
-	r |= (v >> 1);
-	return r;
-}
-
-static unsigned int log2l(unsigned long v)
-{
-	unsigned int hi = v >> 32;
-	if (hi)
-		return log2(hi) + 32;
-	else
-		return log2(v);
-}
-
-struct hist_key {
-	char comm[16];
-	u64 pid_tgid;
-	u64 uid_gid;
-	u64 index;
-};
-
-struct {
-	__uint(type, BPF_MAP_TYPE_PERCPU_HASH);
-	__uint(key_size, sizeof(struct hist_key));
-	__uint(value_size, sizeof(long));
-	__uint(max_entries, 1024);
-} my_hist_map SEC(".maps");
-
-SEC("ksyscall/write")
-int BPF_KSYSCALL(bpf_prog3, unsigned int fd, const char *buf, size_t count)
-{
-	long init_val = 1;
-	long *value;
-	struct hist_key key;
-
-	key.index = log2l(count);
-	key.pid_tgid = bpf_get_current_pid_tgid();
-	key.uid_gid = bpf_get_current_uid_gid();
-	bpf_get_current_comm(&key.comm, sizeof(key.comm));
-
-	value = bpf_map_lookup_elem(&my_hist_map, &key);
-	if (value)
-		__sync_fetch_and_add(value, 1);
-	else
-		bpf_map_update_elem(&my_hist_map, &key, &init_val, BPF_ANY);
-	return 0;
-}
-char _license[] SEC("license") = "GPL";
-u32 _version SEC("version") = LINUX_VERSION_CODE;