LXR linux/tools/perf/tests/bitmap.c

   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
  10static 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
  28static 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
  42int 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