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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283// SPDX-License-Identifier: GPL-2.0#include <linux/compiler.h>#include <linux/bitmap.h>#include <linux/kernel.h>#include <linux/zalloc.h>#include <perf/cpumap.h>#include <internal/cpumap.h>#include "debug.h"#include "env.h"#include "mem2node.h"#include "tests.h"
static struct node { int node; const char *map;} test_nodes[] = { { .node = 0, .map = "0" }, { .node = 1, .map = "1-2" }, { .node = 3, .map = "5-7,9" },};
#define T TEST_ASSERT_VAL
static unsigned long *get_bitmap(const char *str, int nbits){ struct perf_cpu_map *map = perf_cpu_map__new(str); unsigned long *bm = NULL;
bm = bitmap_zalloc(nbits);
if (map && bm) { struct perf_cpu cpu; unsigned int i;
perf_cpu_map__for_each_cpu(cpu, i, map) __set_bit(cpu.cpu, bm); }
if (map) perf_cpu_map__put(map); else free(bm);
return bm && map ? bm : NULL;}
static int test__mem2node(struct test_suite *t __maybe_unused, int subtest __maybe_unused){ struct mem2node map; struct memory_node nodes[3]; struct perf_env env = { .memory_nodes = (struct memory_node *) &nodes[0], .nr_memory_nodes = ARRAY_SIZE(nodes), .memory_bsize = 0x100, }; unsigned int i;
for (i = 0; i < ARRAY_SIZE(nodes); i++) { nodes[i].node = test_nodes[i].node; nodes[i].size = 10;
T("failed: alloc bitmap", (nodes[i].set = get_bitmap(test_nodes[i].map, 10))); }
T("failed: mem2node__init", !mem2node__init(&map, &env)); T("failed: mem2node__node", 0 == mem2node__node(&map, 0x50)); T("failed: mem2node__node", 1 == mem2node__node(&map, 0x100)); T("failed: mem2node__node", 1 == mem2node__node(&map, 0x250)); T("failed: mem2node__node", 3 == mem2node__node(&map, 0x500)); T("failed: mem2node__node", 3 == mem2node__node(&map, 0x650)); T("failed: mem2node__node", -1 == mem2node__node(&map, 0x450)); T("failed: mem2node__node", -1 == mem2node__node(&map, 0x1050));
for (i = 0; i < ARRAY_SIZE(nodes); i++) zfree(&nodes[i].set);
mem2node__exit(&map); return 0;}
DEFINE_SUITE("mem2node", mem2node);