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| author | Hengqi Chen <hengqi.chen@gmail.com> | 2021-11-28 22:16:33 +0800 |
|---|---|---|
| committer | Andrii Nakryiko <andrii@kernel.org> | 2021-11-28 22:24:57 -0800 |
| commit | baeead213e67a9554d589a2845c634b8e473d107 (patch) | |
| tree | f0c2d0b6a5c93ecc665be0b838b8c9b70fca6bc0 /tools/testing/selftests/bpf/prog_tests/prog_array_init.c | |
| parent | 341ac5ffc4bd859103899c876902caf07cc97ea4 (diff) | |
| download | lwn-baeead213e67a9554d589a2845c634b8e473d107.tar.gz lwn-baeead213e67a9554d589a2845c634b8e473d107.zip | |
selftests/bpf: Test BPF_MAP_TYPE_PROG_ARRAY static initialization
Add testcase for BPF_MAP_TYPE_PROG_ARRAY static initialization.
Signed-off-by: Hengqi Chen <hengqi.chen@gmail.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20211128141633.502339-3-hengqi.chen@gmail.com
Diffstat (limited to 'tools/testing/selftests/bpf/prog_tests/prog_array_init.c')
| -rw-r--r-- | tools/testing/selftests/bpf/prog_tests/prog_array_init.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/prog_array_init.c b/tools/testing/selftests/bpf/prog_tests/prog_array_init.c new file mode 100644 index 000000000000..fc4657619739 --- /dev/null +++ b/tools/testing/selftests/bpf/prog_tests/prog_array_init.c @@ -0,0 +1,32 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright (c) 2021 Hengqi Chen */ + +#include <test_progs.h> +#include "test_prog_array_init.skel.h" + +void test_prog_array_init(void) +{ + struct test_prog_array_init *skel; + int err; + + skel = test_prog_array_init__open(); + if (!ASSERT_OK_PTR(skel, "could not open BPF object")) + return; + + skel->rodata->my_pid = getpid(); + + err = test_prog_array_init__load(skel); + if (!ASSERT_OK(err, "could not load BPF object")) + goto cleanup; + + skel->links.entry = bpf_program__attach_raw_tracepoint(skel->progs.entry, "sys_enter"); + if (!ASSERT_OK_PTR(skel->links.entry, "could not attach BPF program")) + goto cleanup; + + usleep(1); + + ASSERT_EQ(skel->bss->value, 42, "unexpected value"); + +cleanup: + test_prog_array_init__destroy(skel); +} |