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 <perf/cpumap.h>
   5#include <internal/cpumap.h>
   6#include "tests.h"
   7#include "debug.h"
   8
   9#define NBITS 100
  10
  11static 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 = NULL;
  15        int i;
  16
  17        bm = bitmap_alloc(nbits);
  18
  19        if (map && bm) {
  20                for (i = 0; i < map->nr; i++)
  21                        set_bit(map->map[i], bm);
  22        }
  23
  24        if (map)
  25                perf_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(struct test *test __maybe_unused, 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