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-rw-r--r--samples/bpf/test_current_task_under_cgroup.bpf.c43
1 files changed, 0 insertions, 43 deletions
diff --git a/samples/bpf/test_current_task_under_cgroup.bpf.c b/samples/bpf/test_current_task_under_cgroup.bpf.c
deleted file mode 100644
index 58b9cf7ed659..000000000000
--- a/samples/bpf/test_current_task_under_cgroup.bpf.c
+++ /dev/null
@@ -1,43 +0,0 @@
-/* Copyright (c) 2016 Sargun Dhillon <sargun@sargun.me>
- *
- * 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_CGROUP_ARRAY);
- __uint(key_size, sizeof(u32));
- __uint(value_size, sizeof(u32));
- __uint(max_entries, 1);
-} cgroup_map SEC(".maps");
-
-struct {
- __uint(type, BPF_MAP_TYPE_ARRAY);
- __type(key, u32);
- __type(value, u64);
- __uint(max_entries, 1);
-} perf_map SEC(".maps");
-
-/* Writes the last PID that called sync to a map at index 0 */
-SEC("ksyscall/sync")
-int BPF_KSYSCALL(bpf_prog1)
-{
- u64 pid = bpf_get_current_pid_tgid();
- int idx = 0;
-
- if (!bpf_current_task_under_cgroup(&cgroup_map, 0))
- return 0;
-
- bpf_map_update_elem(&perf_map, &idx, &pid, BPF_ANY);
- return 0;
-}
-
-char _license[] SEC("license") = "GPL";
-u32 _version SEC("version") = LINUX_VERSION_CODE;