1 // SPDX-License-Identifier: GPL-2.0
2 #include <linux/compiler.h>
3 #include <linux/bitmap.h>
4 #include <linux/kernel.h>
5 #include <linux/zalloc.h>
6 #include <perf/cpumap.h>
7 #include <internal/cpumap.h>
8 #include "debug.h"
9 #include "env.h"
10 #include "mem2node.h"
11 #include "tests.h"
12
13 static struct node {
14 int node;
15 const char *map;
16 } test_nodes[] = {
17 { .node = 0, .map = "0" },
18 { .node = 1, .map = "1-2" },
19 { .node = 3, .map = "5-7,9" },
20 };
21
22 #define T TEST_ASSERT_VAL
23
get_bitmap(const char * str,int nbits)24 static unsigned long *get_bitmap(const char *str, int nbits)
25 {
26 struct perf_cpu_map *map = perf_cpu_map__new(str);
27 unsigned long *bm = NULL;
28
29 bm = bitmap_zalloc(nbits);
30
31 if (map && bm) {
32 struct perf_cpu cpu;
33 int i;
34
35 perf_cpu_map__for_each_cpu(cpu, i, map)
36 __set_bit(cpu.cpu, bm);
37 }
38
39 if (map)
40 perf_cpu_map__put(map);
41 else
42 free(bm);
43
44 return bm && map ? bm : NULL;
45 }
46
test__mem2node(struct test_suite * t __maybe_unused,int subtest __maybe_unused)47 static int test__mem2node(struct test_suite *t __maybe_unused, int subtest __maybe_unused)
48 {
49 struct mem2node map;
50 struct memory_node nodes[3];
51 struct perf_env env = {
52 .memory_nodes = (struct memory_node *) &nodes[0],
53 .nr_memory_nodes = ARRAY_SIZE(nodes),
54 .memory_bsize = 0x100,
55 };
56 unsigned int i;
57
58 for (i = 0; i < ARRAY_SIZE(nodes); i++) {
59 nodes[i].node = test_nodes[i].node;
60 nodes[i].size = 10;
61
62 T("failed: alloc bitmap",
63 (nodes[i].set = get_bitmap(test_nodes[i].map, 10)));
64 }
65
66 T("failed: mem2node__init", !mem2node__init(&map, &env));
67 T("failed: mem2node__node", 0 == mem2node__node(&map, 0x50));
68 T("failed: mem2node__node", 1 == mem2node__node(&map, 0x100));
69 T("failed: mem2node__node", 1 == mem2node__node(&map, 0x250));
70 T("failed: mem2node__node", 3 == mem2node__node(&map, 0x500));
71 T("failed: mem2node__node", 3 == mem2node__node(&map, 0x650));
72 T("failed: mem2node__node", -1 == mem2node__node(&map, 0x450));
73 T("failed: mem2node__node", -1 == mem2node__node(&map, 0x1050));
74
75 for (i = 0; i < ARRAY_SIZE(nodes); i++)
76 zfree(&nodes[i].set);
77
78 mem2node__exit(&map);
79 return 0;
80 }
81
82 DEFINE_SUITE("mem2node", mem2node);
83
