xref: /linux/tools/perf/tests/bitmap.c (revision ef69f8d2ff09518657c3ecaf2db8408c16549829)
1 // SPDX-License-Identifier: GPL-2.0
2 #include <linux/compiler.h>
3 #include <linux/bitmap.h>
4 #include "tests.h"
5 #include "cpumap.h"
6 #include "debug.h"
7 
8 #define NBITS 100
9 
10 static unsigned long *get_bitmap(const char *str, int nbits)
11 {
12 	struct cpu_map *map = cpu_map__new(str);
13 	unsigned long *bm = NULL;
14 	int i;
15 
16 	bm = bitmap_alloc(nbits);
17 
18 	if (map && bm) {
19 		bitmap_zero(bm, nbits);
20 
21 		for (i = 0; i < map->nr; i++)
22 			set_bit(map->map[i], bm);
23 	}
24 
25 	if (map)
26 		cpu_map__put(map);
27 	return bm;
28 }
29 
30 static int test_bitmap(const char *str)
31 {
32 	unsigned long *bm = get_bitmap(str, NBITS);
33 	char buf[100];
34 	int ret;
35 
36 	bitmap_scnprintf(bm, NBITS, buf, sizeof(buf));
37 	pr_debug("bitmap: %s\n", buf);
38 
39 	ret = !strcmp(buf, str);
40 	free(bm);
41 	return ret;
42 }
43 
44 int test__bitmap_print(struct test *test __maybe_unused, int subtest __maybe_unused)
45 {
46 	TEST_ASSERT_VAL("failed to convert map", test_bitmap("1"));
47 	TEST_ASSERT_VAL("failed to convert map", test_bitmap("1,5"));
48 	TEST_ASSERT_VAL("failed to convert map", test_bitmap("1,3,5,7,9,11,13,15,17,19,21-40"));
49 	TEST_ASSERT_VAL("failed to convert map", test_bitmap("2-5"));
50 	TEST_ASSERT_VAL("failed to convert map", test_bitmap("1,3-6,8-10,24,35-37"));
51 	TEST_ASSERT_VAL("failed to convert map", test_bitmap("1,3-6,8-10,24,35-37"));
52 	TEST_ASSERT_VAL("failed to convert map", test_bitmap("1-10,12-20,22-30,32-40"));
53 	return 0;
54 }
55