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

   1#include <linux/compiler.h>
   2#include <linux/bitmap.h>
   3#include "tests.h"
   4#include "cpumap.h"
   5#include "debug.h"
   6
   7#define NBITS 100
   8
   9static unsigned long *get_bitmap(const char *str, int nbits)
  10{
  11        struct cpu_map *map = cpu_map__new(str);
  12        unsigned long *bm = NULL;
  13        int i;
  14
  15        bm = bitmap_alloc(nbits);
  16
  17        if (map && bm) {
  18                bitmap_zero(bm, nbits);
  19
  20                for (i = 0; i < map->nr; i++)
  21                        set_bit(map->map[i], bm);
  22        }
  23
  24        if (map)
  25                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
  43int test__bitmap_print(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