tools/perf/tests/mem2node.c

   1 #include <linux/compiler.h>
   2 #include <linux/bitmap.h>
   3 #include "cpumap.h"
   4 #include "mem2node.h"
   5 #include "tests.h"
   6
   7 static struct node {
   8         int              node;
   9         const char      *map;
  10 } test_nodes[] = {
  11         { .node = 0, .map = "0"     },
  12         { .node = 1, .map = "1-2"   },
  13         { .node = 3, .map = "5-7,9" },
  14 };
  15
  16 #define T TEST_ASSERT_VAL
  17
  18 static unsigned long *get_bitmap(const char *str, int nbits)
  19 {
  20         struct cpu_map *map = cpu_map__new(str);
  21         unsigned long *bm = NULL;
  22         int i;
  23
  24         bm = bitmap_alloc(nbits);
  25
  26         if (map && bm) {
  27                 for (i = 0; i < map->nr; i++) {
  28                         set_bit(map->map[i], bm);
  29                 }
  30         }
  31
  32         if (map)
  33                 cpu_map__put(map);
  34         else
  35                 free(bm);
  36
  37         return bm && map ? bm : NULL;
  38 }
  39
  40 int test__mem2node(struct test *t __maybe_unused, int subtest __maybe_unused)
  41 {
  42         struct mem2node map;
  43         struct memory_node nodes[3];
  44         struct perf_env env = {
  45                 .memory_nodes    = (struct memory_node *) &nodes[0],
  46                 .nr_memory_nodes = ARRAY_SIZE(nodes),
  47                 .memory_bsize    = 0x100,
  48         };
  49         unsigned int i;
  50
  51         for (i = 0; i < ARRAY_SIZE(nodes); i++) {
  52                 nodes[i].node = test_nodes[i].node;
  53                 nodes[i].size = 10;
  54
  55                 T("failed: alloc bitmap",
  56                   (nodes[i].set = get_bitmap(test_nodes[i].map, 10)));
  57         }
  58
  59         T("failed: mem2node__init", !mem2node__init(&map, &env));
  60         T("failed: mem2node__node",  0 == mem2node__node(&map,   0x50));
  61         T("failed: mem2node__node",  1 == mem2node__node(&map,  0x100));
  62         T("failed: mem2node__node",  1 == mem2node__node(&map,  0x250));
  63         T("failed: mem2node__node",  3 == mem2node__node(&map,  0x500));
  64         T("failed: mem2node__node",  3 == mem2node__node(&map,  0x650));
  65         T("failed: mem2node__node", -1 == mem2node__node(&map,  0x450));
  66         T("failed: mem2node__node", -1 == mem2node__node(&map, 0x1050));
  67
  68         for (i = 0; i < ARRAY_SIZE(nodes); i++)
  69                 free(nodes[i].set);
  70
  71         mem2node__exit(&map);
  72         return 0;
  73 }