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
12 static 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
26 static 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 SCX_EQ(skel->data->uei.kind, EXIT_KIND(SCX_EXIT_ERROR));
38 bpf_link__destroy(link);
39
40 return SCX_TEST_PASS;
41 }
42
43 static void cleanup(void *ctx)
44 {
45 struct dsp_local_on *skel = ctx;
46
47 dsp_local_on__destroy(skel);
48 }
49
50 struct scx_test dsp_local_on = {
51 .name = "dsp_local_on",
52 .description = "Verify we can directly dispatch tasks to a local DSQs "
53 "from osp.dispatch()",
54 .setup = setup,
55 .run = run,
56 .cleanup = cleanup,
57 };
58 REGISTER_SCX_TEST(&dsp_local_on)
59
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