maximal.c

 1/* SPDX-License-Identifier: GPL-2.0 */
 2/*
 3 * Copyright (c) 2024 Meta Platforms, Inc. and affiliates.
 4 * Copyright (c) 2024 David Vernet <dvernet@meta.com>
 5 */
 6#include <bpf/bpf.h>
 7#include <scx/common.h>
 8#include <sys/wait.h>
 9#include <unistd.h>
10#include "maximal.bpf.skel.h"
11#include "scx_test.h"
12
13static enum scx_test_status setup(void **ctx)
14{
15	struct maximal *skel;
16
17	skel = maximal__open();
18	SCX_FAIL_IF(!skel, "Failed to open");
19	SCX_ENUM_INIT(skel);
20	SCX_FAIL_IF(maximal__load(skel), "Failed to load skel");
21
22	*ctx = skel;
23
24	return SCX_TEST_PASS;
25}
26
27static enum scx_test_status run(void *ctx)
28{
29	struct maximal *skel = ctx;
30	struct bpf_link *link;
31
32	link = bpf_map__attach_struct_ops(skel->maps.maximal_ops);
33	SCX_FAIL_IF(!link, "Failed to attach scheduler");
34
35	bpf_link__destroy(link);
36
37	return SCX_TEST_PASS;
38}
39
40static void cleanup(void *ctx)
41{
42	struct maximal *skel = ctx;
43
44	maximal__destroy(skel);
45}
46
47struct scx_test maximal = {
48	.name = "maximal",
49	.description = "Verify we can load a scheduler with every callback defined",
50	.setup = setup,
51	.run = run,
52	.cleanup = cleanup,
53};
54REGISTER_SCX_TEST(&maximal)