1// SPDX-License-Identifier: GPL-2.0
 2/* Copyright (c) 2020 Facebook */
 3
 4#include "vmlinux.h"
 5#include <bpf/bpf_helpers.h>
 6#include <bpf/bpf_tracing.h>
 7
 8__u32 count = 0;
 9__u32 on_cpu = 0xffffffff;
10
11SEC("raw_tp/task_rename")
12int BPF_PROG(rename, struct task_struct *task, char *comm)
13{
14
15	count++;
16	if ((__u64) task == 0x1234ULL && (__u64) comm == 0x5678ULL) {
17		on_cpu = bpf_get_smp_processor_id();
18		return (long)task + (long)comm;
19	}
20
21	return 0;
22}
23
24char _license[] SEC("license") = "GPL";

 1// SPDX-License-Identifier: GPL-2.0
 2/* Copyright (c) 2020 Facebook */
 3
 4#include "vmlinux.h"
 5#include <bpf/bpf_helpers.h>
 6#include <bpf/bpf_tracing.h>
 7
 8__u32 count = 0;
 9__u32 on_cpu = 0xffffffff;
10
11SEC("raw_tp/task_rename")
12int BPF_PROG(rename, struct task_struct *task, char *comm)
13{
14
15	count++;
16	if ((__u64) task == 0x1234ULL && (__u64) comm == 0x5678ULL) {
17		on_cpu = bpf_get_smp_processor_id();
18		return (long)task + (long)comm;
19	}
20
21	return 0;
22}
23
24char _license[] SEC("license") = "GPL";