diff options
Diffstat (limited to 'tools/testing/selftests/bpf/progs/loop2.c')
-rw-r--r-- | tools/testing/selftests/bpf/progs/loop2.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/progs/loop2.c b/tools/testing/selftests/bpf/progs/loop2.c new file mode 100644 index 000000000..947bb7e98 --- /dev/null +++ b/tools/testing/selftests/bpf/progs/loop2.c @@ -0,0 +1,29 @@ +// 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; +} |