linux/tools/testing/selftests/bpf/progs/loop2.c

30 lines
509 B
C

// 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;
}