perf tests: Add mem2node object test

Adding mem2node object automated test.

The test prepares few artificial nodes - memory maps and verifies the
mem2node object returns proper node values to given addresses.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20180309101442.9224-4-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa 2018-03-09 11:14:36 +01:00 committed by Arnaldo Carvalho de Melo
parent 4acf6142de
commit 8185850ad6
4 changed files with 81 additions and 0 deletions

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@ -48,6 +48,7 @@ perf-y += bitmap.o
perf-y += perf-hooks.o
perf-y += clang.o
perf-y += unit_number__scnprintf.o
perf-y += mem2node.o
$(OUTPUT)tests/llvm-src-base.c: tests/bpf-script-example.c tests/Build
$(call rule_mkdir)

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@ -274,6 +274,10 @@ static struct test generic_tests[] = {
.desc = "unit_number__scnprintf",
.func = test__unit_number__scnprint,
},
{
.desc = "mem2node",
.func = test__mem2node,
},
{
.func = NULL,
},

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@ -0,0 +1,75 @@
#include <linux/compiler.h>
#include <linux/bitmap.h>
#include "cpumap.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 cpu_map *map = cpu_map__new(str);
unsigned long *bm = NULL;
int i;
bm = bitmap_alloc(nbits);
if (map && bm) {
bitmap_zero(bm, nbits);
for (i = 0; i < map->nr; i++) {
set_bit(map->map[i], bm);
}
}
if (map)
cpu_map__put(map);
else
free(bm);
return bm && map ? bm : NULL;
}
int test__mem2node(struct test *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++)
free(nodes[i].set);
mem2node__exit(&map);
return 0;
}

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@ -103,6 +103,7 @@ int test__clang(struct test *test, int subtest);
const char *test__clang_subtest_get_desc(int subtest);
int test__clang_subtest_get_nr(void);
int test__unit_number__scnprint(struct test *test, int subtest);
int test__mem2node(struct test *t, int subtest);
bool test__bp_signal_is_supported(void);