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 <unistd.h>
 9#include "dsp_local_on.bpf.skel.h"
10#include "scx_test.h"
11
12static enum scx_test_status setup(void **ctx)
13{
14	struct dsp_local_on *skel;
15
16	skel = dsp_local_on__open();
17	SCX_FAIL_IF(!skel, "Failed to open");
18
19	skel->rodata->nr_cpus = libbpf_num_possible_cpus();
20	SCX_FAIL_IF(dsp_local_on__load(skel), "Failed to load skel");
21	*ctx = skel;
22
23	return SCX_TEST_PASS;
24}
25
26static enum scx_test_status run(void *ctx)
27{
28	struct dsp_local_on *skel = ctx;
29	struct bpf_link *link;
30
31	link = bpf_map__attach_struct_ops(skel->maps.dsp_local_on_ops);
32	SCX_FAIL_IF(!link, "Failed to attach struct_ops");
33
34	/* Just sleeping is fine, plenty of scheduling events happening */
35	sleep(1);
36
37	bpf_link__destroy(link);
38
39	SCX_EQ(skel->data->uei.kind, EXIT_KIND(SCX_EXIT_UNREG));
40
41	return SCX_TEST_PASS;
42}
43
44static void cleanup(void *ctx)
45{
46	struct dsp_local_on *skel = ctx;
47
48	dsp_local_on__destroy(skel);
49}
50
51struct scx_test dsp_local_on = {
52	.name = "dsp_local_on",
53	.description = "Verify we can directly dispatch tasks to a local DSQs "
54		       "from ops.dispatch()",
55	.setup = setup,
56	.run = run,
57	.cleanup = cleanup,
58};
59REGISTER_SCX_TEST(&dsp_local_on)