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Merge tag 'vfs-6.13-rc7.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
[J-linux.git] / tools / perf / tests / bitmap.c
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);
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