1 // SPDX-License-Identifier: GPL-2.0 2 #include <linux/compiler.h> 3 #include <linux/bitmap.h> 4 #include <linux/zalloc.h> 5 #include <perf/cpumap.h> 6 #include "cpumap.h" 7 #include "mem2node.h" 8 #include "tests.h" 9 10 static struct node { 11 int node; 12 const char *map; 13 } test_nodes[] = { 14 { .node = 0, .map = "0" }, 15 { .node = 1, .map = "1-2" }, 16 { .node = 3, .map = "5-7,9" }, 17 }; 18 19 #define T TEST_ASSERT_VAL 20 21 static unsigned long *get_bitmap(const char *str, int nbits) 22 { 23 struct perf_cpu_map *map = perf_cpu_map__new(str); 24 unsigned long *bm = NULL; 25 int i; 26 27 bm = bitmap_alloc(nbits); 28 29 if (map && bm) { 30 for (i = 0; i < map->nr; i++) { 31 set_bit(map->map[i], bm); 32 } 33 } 34 35 if (map) 36 perf_cpu_map__put(map); 37 else 38 free(bm); 39 40 return bm && map ? bm : NULL; 41 } 42 43 int test__mem2node(struct test *t __maybe_unused, int subtest __maybe_unused) 44 { 45 struct mem2node map; 46 struct memory_node nodes[3]; 47 struct perf_env env = { 48 .memory_nodes = (struct memory_node *) &nodes[0], 49 .nr_memory_nodes = ARRAY_SIZE(nodes), 50 .memory_bsize = 0x100, 51 }; 52 unsigned int i; 53 54 for (i = 0; i < ARRAY_SIZE(nodes); i++) { 55 nodes[i].node = test_nodes[i].node; 56 nodes[i].size = 10; 57 58 T("failed: alloc bitmap", 59 (nodes[i].set = get_bitmap(test_nodes[i].map, 10))); 60 } 61 62 T("failed: mem2node__init", !mem2node__init(&map, &env)); 63 T("failed: mem2node__node", 0 == mem2node__node(&map, 0x50)); 64 T("failed: mem2node__node", 1 == mem2node__node(&map, 0x100)); 65 T("failed: mem2node__node", 1 == mem2node__node(&map, 0x250)); 66 T("failed: mem2node__node", 3 == mem2node__node(&map, 0x500)); 67 T("failed: mem2node__node", 3 == mem2node__node(&map, 0x650)); 68 T("failed: mem2node__node", -1 == mem2node__node(&map, 0x450)); 69 T("failed: mem2node__node", -1 == mem2node__node(&map, 0x1050)); 70 71 for (i = 0; i < ARRAY_SIZE(nodes); i++) 72 zfree(&nodes[i].set); 73 74 mem2node__exit(&map); 75 return 0; 76 } 77