| // SPDX-License-Identifier: GPL-2.0 | |
| /* Copyright (c) 2020 Facebook */ | |
| #include "vmlinux.h" | |
| #include <bpf/bpf_helpers.h> | |
| #include <bpf/bpf_tracing.h> | |
| __u32 count = 0; | |
| __u32 on_cpu = 0xffffffff; | |
| SEC("raw_tp/task_rename") | |
| int BPF_PROG(rename, struct task_struct *task, char *comm) | |
| { | |
| count++; | |
| if ((__u64) task == 0x1234ULL && (__u64) comm == 0x5678ULL) { | |
| on_cpu = bpf_get_smp_processor_id(); | |
| return (long)task + (long)comm; | |
| } | |
| return 0; | |
| } | |
| char _license[] SEC("license") = "GPL"; |