xref: /openbmc/linux/tools/perf/tests/bitmap.c (revision ae213c44)
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 		for (i = 0; i < map->nr; i++)
20 			set_bit(map->map[i], bm);
21 	}
22 
23 	if (map)
24 		cpu_map__put(map);
25 	return bm;
26 }
27 
28 static int test_bitmap(const char *str)
29 {
30 	unsigned long *bm = get_bitmap(str, NBITS);
31 	char buf[100];
32 	int ret;
33 
34 	bitmap_scnprintf(bm, NBITS, buf, sizeof(buf));
35 	pr_debug("bitmap: %s\n", buf);
36 
37 	ret = !strcmp(buf, str);
38 	free(bm);
39 	return ret;
40 }
41 
42 int test__bitmap_print(struct test *test __maybe_unused, int subtest __maybe_unused)
43 {
44 	TEST_ASSERT_VAL("failed to convert map", test_bitmap("1"));
45 	TEST_ASSERT_VAL("failed to convert map", test_bitmap("1,5"));
46 	TEST_ASSERT_VAL("failed to convert map", test_bitmap("1,3,5,7,9,11,13,15,17,19,21-40"));
47 	TEST_ASSERT_VAL("failed to convert map", test_bitmap("2-5"));
48 	TEST_ASSERT_VAL("failed to convert map", test_bitmap("1,3-6,8-10,24,35-37"));
49 	TEST_ASSERT_VAL("failed to convert map", test_bitmap("1,3-6,8-10,24,35-37"));
50 	TEST_ASSERT_VAL("failed to convert map", test_bitmap("1-10,12-20,22-30,32-40"));
51 	return 0;
52 }
53