brintos

brintos / linux-shallow public Read only

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1// SPDX-License-Identifier: GPL-2.02/* 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";25