xref: /linux/tools/testing/selftests/sched_ext/create_dsq.c (revision 3a39d672e7f48b8d6b91a09afa4b55352773b4b5)
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 "create_dsq.bpf.skel.h"
11 #include "scx_test.h"
12 
setup(void ** ctx)13 static enum scx_test_status setup(void **ctx)
14 {
15 	struct create_dsq *skel;
16 
17 	skel = create_dsq__open_and_load();
18 	if (!skel) {
19 		SCX_ERR("Failed to open and load skel");
20 		return SCX_TEST_FAIL;
21 	}
22 	*ctx = skel;
23 
24 	return SCX_TEST_PASS;
25 }
26 
run(void * ctx)27 static enum scx_test_status run(void *ctx)
28 {
29 	struct create_dsq *skel = ctx;
30 	struct bpf_link *link;
31 
32 	link = bpf_map__attach_struct_ops(skel->maps.create_dsq_ops);
33 	if (!link) {
34 		SCX_ERR("Failed to attach scheduler");
35 		return SCX_TEST_FAIL;
36 	}
37 
38 	bpf_link__destroy(link);
39 
40 	return SCX_TEST_PASS;
41 }
42 
cleanup(void * ctx)43 static void cleanup(void *ctx)
44 {
45 	struct create_dsq *skel = ctx;
46 
47 	create_dsq__destroy(skel);
48 }
49 
50 struct scx_test create_dsq = {
51 	.name = "create_dsq",
52 	.description = "Create and destroy a dsq in a loop",
53 	.setup = setup,
54 	.run = run,
55 	.cleanup = cleanup,
56 };
57 REGISTER_SCX_TEST(&create_dsq)
58