From e1b9023fc7ab0dcfeefe9f0a14772ad7a1c37b5b Mon Sep 17 00:00:00 2001 From: Dave Marchevsky Date: Wed, 20 Oct 2021 00:48:18 -0700 Subject: [PATCH] selftests/bpf: Add verif_stats test verified_insns field was added to response of bpf_obj_get_info_by_fd call on a prog. Confirm that it's being populated by loading a simple program and asking for its info. Signed-off-by: Dave Marchevsky Signed-off-by: Andrii Nakryiko Acked-by: John Fastabend Acked-by: Andrii Nakryiko Link: https://lore.kernel.org/bpf/20211020074818.1017682-3-davemarchevsky@fb.com --- .../testing/selftests/bpf/prog_tests/verif_stats.c | 28 ++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 tools/testing/selftests/bpf/prog_tests/verif_stats.c diff --git a/tools/testing/selftests/bpf/prog_tests/verif_stats.c b/tools/testing/selftests/bpf/prog_tests/verif_stats.c new file mode 100644 index 0000000..b4bae13 --- /dev/null +++ b/tools/testing/selftests/bpf/prog_tests/verif_stats.c @@ -0,0 +1,28 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (c) 2021 Facebook */ + +#include + +#include "trace_vprintk.lskel.h" + +void test_verif_stats(void) +{ + __u32 len = sizeof(struct bpf_prog_info); + struct bpf_prog_info info = {}; + struct trace_vprintk *skel; + int err; + + skel = trace_vprintk__open_and_load(); + if (!ASSERT_OK_PTR(skel, "trace_vprintk__open_and_load")) + goto cleanup; + + err = bpf_obj_get_info_by_fd(skel->progs.sys_enter.prog_fd, &info, &len); + if (!ASSERT_OK(err, "bpf_obj_get_info_by_fd")) + goto cleanup; + + if (!ASSERT_GT(info.verified_insns, 0, "verified_insns")) + goto cleanup; + +cleanup: + trace_vprintk__destroy(skel); +} -- 2.7.4