// SPDX-License-Identifier: GPL-2.0
|
// Copyright (c) 2019 Facebook
|
#include <linux/sched.h>
|
#include <linux/ptrace.h>
|
#include <stdint.h>
|
#include <stddef.h>
|
#include <stdbool.h>
|
#include <linux/bpf.h>
|
#include <bpf/bpf_helpers.h>
|
#include <bpf/bpf_tracing.h>
|
|
char _license[] SEC("license") = "GPL";
|
|
SEC("raw_tracepoint/consume_skb")
|
int while_true(volatile struct pt_regs* ctx)
|
{
|
__u64 i = 0, sum = 0;
|
do {
|
i++;
|
sum += PT_REGS_RC(ctx);
|
} while (i < 0x100000000ULL);
|
return sum;
|
}
|
