xref: /linux-6.15/tools/perf/tests/bitmap.c (revision 33f44bfd)
1b2441318SGreg Kroah-Hartman // SPDX-License-Identifier: GPL-2.0
2ff3e33b0SJiri Olsa #include <linux/compiler.h>
3ff3e33b0SJiri Olsa #include <linux/bitmap.h>
49c3516d1SJiri Olsa #include <perf/cpumap.h>
587ffb6c6SArnaldo Carvalho de Melo #include <internal/cpumap.h>
6ff3e33b0SJiri Olsa #include "tests.h"
7ff3e33b0SJiri Olsa #include "debug.h"
8ff3e33b0SJiri Olsa 
9ff3e33b0SJiri Olsa #define NBITS 100
10ff3e33b0SJiri Olsa 
11ff3e33b0SJiri Olsa static unsigned long *get_bitmap(const char *str, int nbits)
12ff3e33b0SJiri Olsa {
139c3516d1SJiri Olsa 	struct perf_cpu_map *map = perf_cpu_map__new(str);
14ff3e33b0SJiri Olsa 	unsigned long *bm = NULL;
15ff3e33b0SJiri Olsa 	int i;
16ff3e33b0SJiri Olsa 
177fc5b571SAndy Shevchenko 	bm = bitmap_zalloc(nbits);
18ff3e33b0SJiri Olsa 
19ff3e33b0SJiri Olsa 	if (map && bm) {
20ff3e33b0SJiri Olsa 		for (i = 0; i < map->nr; i++)
21ff3e33b0SJiri Olsa 			set_bit(map->map[i], bm);
22ff3e33b0SJiri Olsa 	}
23ff3e33b0SJiri Olsa 
24ff3e33b0SJiri Olsa 	if (map)
2538f01d8dSJiri Olsa 		perf_cpu_map__put(map);
26ff3e33b0SJiri Olsa 	return bm;
27ff3e33b0SJiri Olsa }
28ff3e33b0SJiri Olsa 
29ff3e33b0SJiri Olsa static int test_bitmap(const char *str)
30ff3e33b0SJiri Olsa {
31ff3e33b0SJiri Olsa 	unsigned long *bm = get_bitmap(str, NBITS);
32ff3e33b0SJiri Olsa 	char buf[100];
33ff3e33b0SJiri Olsa 	int ret;
34ff3e33b0SJiri Olsa 
35ff3e33b0SJiri Olsa 	bitmap_scnprintf(bm, NBITS, buf, sizeof(buf));
36ff3e33b0SJiri Olsa 	pr_debug("bitmap: %s\n", buf);
37ff3e33b0SJiri Olsa 
38ff3e33b0SJiri Olsa 	ret = !strcmp(buf, str);
39ff3e33b0SJiri Olsa 	free(bm);
40ff3e33b0SJiri Olsa 	return ret;
41ff3e33b0SJiri Olsa }
42ff3e33b0SJiri Olsa 
43*33f44bfdSIan Rogers static int test__bitmap_print(struct test_suite *test __maybe_unused, int subtest __maybe_unused)
44ff3e33b0SJiri Olsa {
45ff3e33b0SJiri Olsa 	TEST_ASSERT_VAL("failed to convert map", test_bitmap("1"));
46ff3e33b0SJiri Olsa 	TEST_ASSERT_VAL("failed to convert map", test_bitmap("1,5"));
47ff3e33b0SJiri Olsa 	TEST_ASSERT_VAL("failed to convert map", test_bitmap("1,3,5,7,9,11,13,15,17,19,21-40"));
48ff3e33b0SJiri Olsa 	TEST_ASSERT_VAL("failed to convert map", test_bitmap("2-5"));
49ff3e33b0SJiri Olsa 	TEST_ASSERT_VAL("failed to convert map", test_bitmap("1,3-6,8-10,24,35-37"));
50ff3e33b0SJiri Olsa 	TEST_ASSERT_VAL("failed to convert map", test_bitmap("1,3-6,8-10,24,35-37"));
51ff3e33b0SJiri Olsa 	TEST_ASSERT_VAL("failed to convert map", test_bitmap("1-10,12-20,22-30,32-40"));
52ff3e33b0SJiri Olsa 	return 0;
53ff3e33b0SJiri Olsa }
54d68f0365SIan Rogers 
55d68f0365SIan Rogers DEFINE_SUITE("Print bitmap", bitmap_print);
56