// 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_helpers.h" #include "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; }