1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Copyright (c) 2025 Andrea Righi <arighi@nvidia.com>
4 */
5 #include <bpf/bpf.h>
6 #include <scx/common.h>
7 #include <sys/wait.h>
8 #include <unistd.h>
9 #include "numa.bpf.skel.h"
10 #include "scx_test.h"
11
setup(void ** ctx)12 static enum scx_test_status setup(void **ctx)
13 {
14 struct numa *skel;
15
16 skel = numa__open();
17 SCX_FAIL_IF(!skel, "Failed to open");
18 SCX_ENUM_INIT(skel);
19 skel->rodata->__COMPAT_SCX_PICK_IDLE_IN_NODE = SCX_PICK_IDLE_IN_NODE;
20 skel->struct_ops.numa_ops->flags = SCX_OPS_BUILTIN_IDLE_PER_NODE;
21 SCX_FAIL_IF(numa__load(skel), "Failed to load skel");
22
23 *ctx = skel;
24
25 return SCX_TEST_PASS;
26 }
27
run(void * ctx)28 static enum scx_test_status run(void *ctx)
29 {
30 struct numa *skel = ctx;
31 struct bpf_link *link;
32
33 link = bpf_map__attach_struct_ops(skel->maps.numa_ops);
34 SCX_FAIL_IF(!link, "Failed to attach scheduler");
35
36 /* Just sleeping is fine, plenty of scheduling events happening */
37 sleep(1);
38
39 SCX_EQ(skel->data->uei.kind, EXIT_KIND(SCX_EXIT_NONE));
40 bpf_link__destroy(link);
41
42 return SCX_TEST_PASS;
43 }
44
cleanup(void * ctx)45 static void cleanup(void *ctx)
46 {
47 struct numa *skel = ctx;
48
49 numa__destroy(skel);
50 }
51
52 struct scx_test numa = {
53 .name = "numa",
54 .description = "Verify NUMA-aware functionalities",
55 .setup = setup,
56 .run = run,
57 .cleanup = cleanup,
58 };
59 REGISTER_SCX_TEST(&numa)
60