// 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) { int i = 0; while (true) { if (PT_REGS_RC(ctx) & 1) i += 3; else i += 7; if (i > 40) break; } return i; }