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
11 static 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;
15
16 bm = bitmap_zalloc(nbits);
17
18 if (map && bm) {
19 int i;
20 struct perf_cpu cpu;
21
22 perf_cpu_map__for_each_cpu(cpu, i, map)
23 __set_bit(cpu.cpu, bm);
24 }
25
26 perf_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 static int test__bitmap_print(struct test_suite *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
56 DEFINE_SUITE("Print bitmap", bitmap_print);
57
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