From 36434959b6ea13d32343f4ec5fa3fb0d0120da2f Mon Sep 17 00:00:00 2001 From: Ian Rogers Date: Tue, 18 Nov 2025 21:05:55 -0800 Subject: [PATCH] perf test maps: Additional maps__fixup_overlap_and_insert tests 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 Reviewed-by: James Clark Signed-off-by: Namhyung Kim --- tools/perf/tests/builtin-test.c | 2 +- tools/perf/tests/maps.c | 82 ++++++++++++++++++++++++++++++++- tools/perf/tests/tests.h | 2 +- 3 files changed, 83 insertions(+), 3 deletions(-) diff --git a/tools/perf/tests/builtin-test.c b/tools/perf/tests/builtin-test.c index 0d2fb7a4ae5bd..9090e8238a447 100644 --- a/tools/perf/tests/builtin-test.c +++ b/tools/perf/tests/builtin-test.c @@ -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, diff --git a/tools/perf/tests/maps.c b/tools/perf/tests/maps.c index 4f1f9385ea9ce..2c05d62f40dcd 100644 --- a/tools/perf/tests/maps.c +++ b/tools/perf/tests/maps.c @@ -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, +}; diff --git a/tools/perf/tests/tests.h b/tools/perf/tests/tests.h index 33de16dde737f..f5fba95b6f3ff 100644 --- a/tools/perf/tests/tests.h +++ b/tools/perf/tests/tests.h @@ -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); -- 2.47.3