| // 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; | |
| } |