1// SPDX-License-Identifier: GPL-2.0
2#include <linux/compiler.h>
3#include <linux/bitmap.h>
4#include <perf/cpumap.h>
5#include <internal/cpumap.h>
6#include "tests.h"
7#include "debug.h"
8
9#define NBITS 100
10
11static unsigned long *get_bitmap(const char *str, int nbits)
12{
13	struct perf_cpu_map *map = perf_cpu_map__new(str);
14	unsigned long *bm = NULL;
15	int i;
16
17	bm = bitmap_zalloc(nbits);
18
19	if (map && bm) {
20		for (i = 0; i < perf_cpu_map__nr(map); i++)
21			__set_bit(perf_cpu_map__cpu(map, i).cpu, bm);
22	}
23
24	if (map)
25		perf_cpu_map__put(map);
26	return bm;
27}
28
29static int test_bitmap(const char *str)
30{
31	unsigned long *bm = get_bitmap(str, NBITS);
32	char buf[100];
33	int ret;
34
35	bitmap_scnprintf(bm, NBITS, buf, sizeof(buf));
36	pr_debug("bitmap: %s\n", buf);
37
38	ret = !strcmp(buf, str);
39	free(bm);
40	return ret;
41}
42
43static int test__bitmap_print(struct test_suite *test __maybe_unused, int subtest __maybe_unused)
44{
45	TEST_ASSERT_VAL("failed to convert map", test_bitmap("1"));
46	TEST_ASSERT_VAL("failed to convert map", test_bitmap("1,5"));
47	TEST_ASSERT_VAL("failed to convert map", test_bitmap("1,3,5,7,9,11,13,15,17,19,21-40"));
48	TEST_ASSERT_VAL("failed to convert map", test_bitmap("2-5"));
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("1,3-6,8-10,24,35-37"));
51	TEST_ASSERT_VAL("failed to convert map", test_bitmap("1-10,12-20,22-30,32-40"));
52	return 0;
53}
54
55DEFINE_SUITE("Print bitmap", bitmap_print);
56