1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun #include <linux/compiler.h>
3*4882a593Smuzhiyun #include <linux/bitmap.h>
4*4882a593Smuzhiyun #include <linux/kernel.h>
5*4882a593Smuzhiyun #include <linux/zalloc.h>
6*4882a593Smuzhiyun #include <perf/cpumap.h>
7*4882a593Smuzhiyun #include <internal/cpumap.h>
8*4882a593Smuzhiyun #include "debug.h"
9*4882a593Smuzhiyun #include "env.h"
10*4882a593Smuzhiyun #include "mem2node.h"
11*4882a593Smuzhiyun #include "tests.h"
12*4882a593Smuzhiyun
13*4882a593Smuzhiyun static struct node {
14*4882a593Smuzhiyun int node;
15*4882a593Smuzhiyun const char *map;
16*4882a593Smuzhiyun } test_nodes[] = {
17*4882a593Smuzhiyun { .node = 0, .map = "0" },
18*4882a593Smuzhiyun { .node = 1, .map = "1-2" },
19*4882a593Smuzhiyun { .node = 3, .map = "5-7,9" },
20*4882a593Smuzhiyun };
21*4882a593Smuzhiyun
22*4882a593Smuzhiyun #define T TEST_ASSERT_VAL
23*4882a593Smuzhiyun
get_bitmap(const char * str,int nbits)24*4882a593Smuzhiyun static unsigned long *get_bitmap(const char *str, int nbits)
25*4882a593Smuzhiyun {
26*4882a593Smuzhiyun struct perf_cpu_map *map = perf_cpu_map__new(str);
27*4882a593Smuzhiyun unsigned long *bm = NULL;
28*4882a593Smuzhiyun int i;
29*4882a593Smuzhiyun
30*4882a593Smuzhiyun bm = bitmap_alloc(nbits);
31*4882a593Smuzhiyun
32*4882a593Smuzhiyun if (map && bm) {
33*4882a593Smuzhiyun for (i = 0; i < map->nr; i++) {
34*4882a593Smuzhiyun set_bit(map->map[i], bm);
35*4882a593Smuzhiyun }
36*4882a593Smuzhiyun }
37*4882a593Smuzhiyun
38*4882a593Smuzhiyun if (map)
39*4882a593Smuzhiyun perf_cpu_map__put(map);
40*4882a593Smuzhiyun else
41*4882a593Smuzhiyun free(bm);
42*4882a593Smuzhiyun
43*4882a593Smuzhiyun return bm && map ? bm : NULL;
44*4882a593Smuzhiyun }
45*4882a593Smuzhiyun
test__mem2node(struct test * t __maybe_unused,int subtest __maybe_unused)46*4882a593Smuzhiyun int test__mem2node(struct test *t __maybe_unused, int subtest __maybe_unused)
47*4882a593Smuzhiyun {
48*4882a593Smuzhiyun struct mem2node map;
49*4882a593Smuzhiyun struct memory_node nodes[3];
50*4882a593Smuzhiyun struct perf_env env = {
51*4882a593Smuzhiyun .memory_nodes = (struct memory_node *) &nodes[0],
52*4882a593Smuzhiyun .nr_memory_nodes = ARRAY_SIZE(nodes),
53*4882a593Smuzhiyun .memory_bsize = 0x100,
54*4882a593Smuzhiyun };
55*4882a593Smuzhiyun unsigned int i;
56*4882a593Smuzhiyun
57*4882a593Smuzhiyun for (i = 0; i < ARRAY_SIZE(nodes); i++) {
58*4882a593Smuzhiyun nodes[i].node = test_nodes[i].node;
59*4882a593Smuzhiyun nodes[i].size = 10;
60*4882a593Smuzhiyun
61*4882a593Smuzhiyun T("failed: alloc bitmap",
62*4882a593Smuzhiyun (nodes[i].set = get_bitmap(test_nodes[i].map, 10)));
63*4882a593Smuzhiyun }
64*4882a593Smuzhiyun
65*4882a593Smuzhiyun T("failed: mem2node__init", !mem2node__init(&map, &env));
66*4882a593Smuzhiyun T("failed: mem2node__node", 0 == mem2node__node(&map, 0x50));
67*4882a593Smuzhiyun T("failed: mem2node__node", 1 == mem2node__node(&map, 0x100));
68*4882a593Smuzhiyun T("failed: mem2node__node", 1 == mem2node__node(&map, 0x250));
69*4882a593Smuzhiyun T("failed: mem2node__node", 3 == mem2node__node(&map, 0x500));
70*4882a593Smuzhiyun T("failed: mem2node__node", 3 == mem2node__node(&map, 0x650));
71*4882a593Smuzhiyun T("failed: mem2node__node", -1 == mem2node__node(&map, 0x450));
72*4882a593Smuzhiyun T("failed: mem2node__node", -1 == mem2node__node(&map, 0x1050));
73*4882a593Smuzhiyun
74*4882a593Smuzhiyun for (i = 0; i < ARRAY_SIZE(nodes); i++)
75*4882a593Smuzhiyun zfree(&nodes[i].set);
76*4882a593Smuzhiyun
77*4882a593Smuzhiyun mem2node__exit(&map);
78*4882a593Smuzhiyun return 0;
79*4882a593Smuzhiyun }
80