]> git.ipfire.org Git - thirdparty/kernel/linux.git/commitdiff
perf test maps: Additional maps__fixup_overlap_and_insert tests
authorIan Rogers <irogers@google.com>
Wed, 19 Nov 2025 05:05:55 +0000 (21:05 -0800)
committerNamhyung Kim <namhyung@kernel.org>
Thu, 20 Nov 2025 00:20:15 +0000 (16:20 -0800)
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>
tools/perf/tests/builtin-test.c
tools/perf/tests/maps.c
tools/perf/tests/tests.h

index 0d2fb7a4ae5bd74923bb10e81e3f8c07565c2444..9090e8238a44782683a989662c83c42a05f50258 100644 (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,
index 4f1f9385ea9cecef277e52e2cb9cbb4feab54aaa..2c05d62f40dcdf7294ff898b6031f7a54b1a1f5b 100644 (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,
+};
index 33de16dde737fadd718b6574fb255da2c1a6a863..f5fba95b6f3ffbd33896269cf7b2c3b26ded1510 100644 (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);