xref: /openbmc/linux/tools/perf/tests/mem2node.c (revision ae0be8de)
1 #include <linux/compiler.h>
2 #include <linux/bitmap.h>
3 #include "cpumap.h"
4 #include "mem2node.h"
5 #include "tests.h"
6 
7 static struct node {
8 	int		 node;
9 	const char 	*map;
10 } test_nodes[] = {
11 	{ .node = 0, .map = "0"     },
12 	{ .node = 1, .map = "1-2"   },
13 	{ .node = 3, .map = "5-7,9" },
14 };
15 
16 #define T TEST_ASSERT_VAL
17 
18 static unsigned long *get_bitmap(const char *str, int nbits)
19 {
20 	struct cpu_map *map = cpu_map__new(str);
21 	unsigned long *bm = NULL;
22 	int i;
23 
24 	bm = bitmap_alloc(nbits);
25 
26 	if (map && bm) {
27 		for (i = 0; i < map->nr; i++) {
28 			set_bit(map->map[i], bm);
29 		}
30 	}
31 
32 	if (map)
33 		cpu_map__put(map);
34 	else
35 		free(bm);
36 
37 	return bm && map ? bm : NULL;
38 }
39 
40 int test__mem2node(struct test *t __maybe_unused, int subtest __maybe_unused)
41 {
42 	struct mem2node map;
43 	struct memory_node nodes[3];
44 	struct perf_env env = {
45 		.memory_nodes    = (struct memory_node *) &nodes[0],
46 		.nr_memory_nodes = ARRAY_SIZE(nodes),
47 		.memory_bsize    = 0x100,
48 	};
49 	unsigned int i;
50 
51 	for (i = 0; i < ARRAY_SIZE(nodes); i++) {
52 		nodes[i].node = test_nodes[i].node;
53 		nodes[i].size = 10;
54 
55 		T("failed: alloc bitmap",
56 		  (nodes[i].set = get_bitmap(test_nodes[i].map, 10)));
57 	}
58 
59 	T("failed: mem2node__init", !mem2node__init(&map, &env));
60 	T("failed: mem2node__node",  0 == mem2node__node(&map,   0x50));
61 	T("failed: mem2node__node",  1 == mem2node__node(&map,  0x100));
62 	T("failed: mem2node__node",  1 == mem2node__node(&map,  0x250));
63 	T("failed: mem2node__node",  3 == mem2node__node(&map,  0x500));
64 	T("failed: mem2node__node",  3 == mem2node__node(&map,  0x650));
65 	T("failed: mem2node__node", -1 == mem2node__node(&map,  0x450));
66 	T("failed: mem2node__node", -1 == mem2node__node(&map, 0x1050));
67 
68 	for (i = 0; i < ARRAY_SIZE(nodes); i++)
69 		free(nodes[i].set);
70 
71 	mem2node__exit(&map);
72 	return 0;
73 }
74