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1// SPDX-License-Identifier: GPL-2.02#include <linux/compiler.h>3#include <linux/bitmap.h>4#include <linux/kernel.h>5#include <linux/zalloc.h>6#include <perf/cpumap.h>7#include <internal/cpumap.h>8#include "debug.h"9#include "env.h"10#include "mem2node.h"11#include "tests.h"12 13static struct node {14 int node;15 const char *map;16} test_nodes[] = {17 { .node = 0, .map = "0" },18 { .node = 1, .map = "1-2" },19 { .node = 3, .map = "5-7,9" },20};21 22#define T TEST_ASSERT_VAL23 24static unsigned long *get_bitmap(const char *str, int nbits)25{26 struct perf_cpu_map *map = perf_cpu_map__new(str);27 unsigned long *bm = NULL;28 29 bm = bitmap_zalloc(nbits);30 31 if (map && bm) {32 struct perf_cpu cpu;33 int i;34 35 perf_cpu_map__for_each_cpu(cpu, i, map)36 __set_bit(cpu.cpu, bm);37 }38 39 if (map)40 perf_cpu_map__put(map);41 else42 free(bm);43 44 return bm && map ? bm : NULL;45}46 47static int test__mem2node(struct test_suite *t __maybe_unused, int subtest __maybe_unused)48{49 struct mem2node map;50 struct memory_node nodes[3];51 struct perf_env env = {52 .memory_nodes = (struct memory_node *) &nodes[0],53 .nr_memory_nodes = ARRAY_SIZE(nodes),54 .memory_bsize = 0x100,55 };56 unsigned int i;57 58 for (i = 0; i < ARRAY_SIZE(nodes); i++) {59 nodes[i].node = test_nodes[i].node;60 nodes[i].size = 10;61 62 T("failed: alloc bitmap",63 (nodes[i].set = get_bitmap(test_nodes[i].map, 10)));64 }65 66 T("failed: mem2node__init", !mem2node__init(&map, &env));67 T("failed: mem2node__node", 0 == mem2node__node(&map, 0x50));68 T("failed: mem2node__node", 1 == mem2node__node(&map, 0x100));69 T("failed: mem2node__node", 1 == mem2node__node(&map, 0x250));70 T("failed: mem2node__node", 3 == mem2node__node(&map, 0x500));71 T("failed: mem2node__node", 3 == mem2node__node(&map, 0x650));72 T("failed: mem2node__node", -1 == mem2node__node(&map, 0x450));73 T("failed: mem2node__node", -1 == mem2node__node(&map, 0x1050));74 75 for (i = 0; i < ARRAY_SIZE(nodes); i++)76 zfree(&nodes[i].set);77 78 mem2node__exit(&map);79 return 0;80}81 82DEFINE_SUITE("mem2node", mem2node);83