1 // SPDX-License-Identifier: GPL-2.0 2 #include <linux/compiler.h> 3 #include <linux/bitmap.h> 4 #include <linux/zalloc.h> 5 #include "cpumap.h" 6 #include "mem2node.h" 7 #include "tests.h" 8 9 static struct node { 10 int node; 11 const char *map; 12 } test_nodes[] = { 13 { .node = 0, .map = "0" }, 14 { .node = 1, .map = "1-2" }, 15 { .node = 3, .map = "5-7,9" }, 16 }; 17 18 #define T TEST_ASSERT_VAL 19 20 static unsigned long *get_bitmap(const char *str, int nbits) 21 { 22 struct cpu_map *map = cpu_map__new(str); 23 unsigned long *bm = NULL; 24 int i; 25 26 bm = bitmap_alloc(nbits); 27 28 if (map && bm) { 29 for (i = 0; i < map->nr; i++) { 30 set_bit(map->map[i], bm); 31 } 32 } 33 34 if (map) 35 cpu_map__put(map); 36 else 37 free(bm); 38 39 return bm && map ? bm : NULL; 40 } 41 42 int test__mem2node(struct test *t __maybe_unused, int subtest __maybe_unused) 43 { 44 struct mem2node map; 45 struct memory_node nodes[3]; 46 struct perf_env env = { 47 .memory_nodes = (struct memory_node *) &nodes[0], 48 .nr_memory_nodes = ARRAY_SIZE(nodes), 49 .memory_bsize = 0x100, 50 }; 51 unsigned int i; 52 53 for (i = 0; i < ARRAY_SIZE(nodes); i++) { 54 nodes[i].node = test_nodes[i].node; 55 nodes[i].size = 10; 56 57 T("failed: alloc bitmap", 58 (nodes[i].set = get_bitmap(test_nodes[i].map, 10))); 59 } 60 61 T("failed: mem2node__init", !mem2node__init(&map, &env)); 62 T("failed: mem2node__node", 0 == mem2node__node(&map, 0x50)); 63 T("failed: mem2node__node", 1 == mem2node__node(&map, 0x100)); 64 T("failed: mem2node__node", 1 == mem2node__node(&map, 0x250)); 65 T("failed: mem2node__node", 3 == mem2node__node(&map, 0x500)); 66 T("failed: mem2node__node", 3 == mem2node__node(&map, 0x650)); 67 T("failed: mem2node__node", -1 == mem2node__node(&map, 0x450)); 68 T("failed: mem2node__node", -1 == mem2node__node(&map, 0x1050)); 69 70 for (i = 0; i < ARRAY_SIZE(nodes); i++) 71 zfree(&nodes[i].set); 72 73 mem2node__exit(&map); 74 return 0; 75 } 76