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perf test maps: Additional maps__fixup_overlap_and_insert tests

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Add additional test to the maps covering
maps__fixup_overlap_and_insert. Change the test suite to be for more
than just 1 test.

Signed-off-by: Ian Rogers <irogers@google.com>
Reviewed-by: James Clark <james.clark@linaro.org>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
This commit is contained in:
Ian Rogers 2025-11-18 21:05:55 -08:00 committed by Namhyung Kim
parent 245cfbcd3d
commit 36434959b6
3 changed files with 83 additions and 3 deletions
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2
tools/perf/tests/builtin-test.c
View File

@ -126,7 +126,7 @@ static struct test_suite *generic_tests[] = {
&suite__jit_write_elf,
&suite__pfm,
&suite__api_io,
&suite__maps__merge_in,
&suite__maps,
&suite__demangle_java,
&suite__demangle_ocaml,
&suite__demangle_rust,

82
tools/perf/tests/maps.c
View File

@ -162,4 +162,84 @@ static int test__maps__merge_in(struct test_suite *t __maybe_unused, int subtest
return TEST_OK;
}
DEFINE_SUITE("maps__merge_in", maps__merge_in);
static int test__maps__fixup_overlap_and_insert(struct test_suite *t __maybe_unused,
int subtest __maybe_unused)
{
struct map_def initial_maps[] = {
{ "target_map", 1000, 2000 },
{ "next_map", 3000, 4000 },
};
struct map_def insert_split = { "split_map", 1400, 1600 };
struct map_def expected_after_split[] = {
{ "target_map", 1000, 1400 },
{ "split_map", 1400, 1600 },
{ "target_map", 1600, 2000 },
{ "next_map", 3000, 4000 },
};
struct map_def insert_eclipse = { "eclipse_map", 2500, 4500 };
struct map_def expected_final[] = {
{ "target_map", 1000, 1400 },
{ "split_map", 1400, 1600 },
{ "target_map", 1600, 2000 },
{ "eclipse_map", 2500, 4500 },
/* "next_map" (3000-4000) is removed */
};
struct map *map_split, *map_eclipse;
int ret;
unsigned int i;
struct maps *maps = maps__new(NULL);
TEST_ASSERT_VAL("failed to create maps", maps);
for (i = 0; i < ARRAY_SIZE(initial_maps); i++) {
struct map *map = dso__new_map(initial_maps[i].name);
TEST_ASSERT_VAL("failed to create map", map);
map__set_start(map, initial_maps[i].start);
map__set_end(map, initial_maps[i].end);
TEST_ASSERT_VAL("failed to insert map", maps__insert(maps, map) == 0);
map__put(map);
}
// Check splitting.
map_split = dso__new_map(insert_split.name);
TEST_ASSERT_VAL("failed to create split map", map_split);
map__set_start(map_split, insert_split.start);
map__set_end(map_split, insert_split.end);
ret = maps__fixup_overlap_and_insert(maps, map_split);
TEST_ASSERT_VAL("failed to fixup and insert split map", !ret);
map__zput(map_split);
ret = check_maps(expected_after_split, ARRAY_SIZE(expected_after_split), maps);
TEST_ASSERT_VAL("split check failed", !ret);
// Check cover 1 map with another.
map_eclipse = dso__new_map(insert_eclipse.name);
TEST_ASSERT_VAL("failed to create eclipse map", map_eclipse);
map__set_start(map_eclipse, insert_eclipse.start);
map__set_end(map_eclipse, insert_eclipse.end);
ret = maps__fixup_overlap_and_insert(maps, map_eclipse);
TEST_ASSERT_VAL("failed to fixup and insert eclipse map", !ret);
map__zput(map_eclipse);
ret = check_maps(expected_final, ARRAY_SIZE(expected_final), maps);
TEST_ASSERT_VAL("eclipse check failed", !ret);
maps__zput(maps);
return TEST_OK;
}
static struct test_case tests__maps[] = {
TEST_CASE("Test merge_in interface", maps__merge_in),
TEST_CASE("Test fix up overlap interface", maps__fixup_overlap_and_insert),
{ .name = NULL, }
};
struct test_suite suite__maps = {
.desc = "Maps - per process mmaps abstraction",
.test_cases = tests__maps,
};

2
tools/perf/tests/tests.h
View File

@ -160,7 +160,7 @@ DECLARE_SUITE(bitmap_print);
DECLARE_SUITE(perf_hooks);
DECLARE_SUITE(unit_number__scnprint);
DECLARE_SUITE(mem2node);
DECLARE_SUITE(maps__merge_in);
DECLARE_SUITE(maps);
DECLARE_SUITE(time_utils);
DECLARE_SUITE(jit_write_elf);
DECLARE_SUITE(api_io);