71 lines
2.7 KiB
C++
71 lines
2.7 KiB
C++
/*
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* Copyright (c) 2020, 2024, Oracle and/or its affiliates. All rights reserved.
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* Copyright (c) 2020 SAP SE. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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#include "precompiled.hpp"
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#include "memory/metaspace.hpp"
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#include "memory/metaspace/chunklevel.hpp"
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#include "memory/metaspace/metaspaceArenaGrowthPolicy.hpp"
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//#define LOG_PLEASE
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#include "metaspaceGtestCommon.hpp"
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using metaspace::ArenaGrowthPolicy;
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using metaspace::chunklevel_t;
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using namespace metaspace::chunklevel;
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static void test_arena_growth_policy(Metaspace::MetaspaceType spacetype, bool is_class) {
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const ArenaGrowthPolicy* a =
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ArenaGrowthPolicy::policy_for_space_type((Metaspace::MetaspaceType)spacetype, is_class);
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// initial level
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chunklevel_t lvl = a->get_level_at_step(0);
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ASSERT_TRUE(is_valid_level(lvl));
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if (spacetype != Metaspace::BootMetaspaceType) {
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// All types save boot loader should start with small or very small chunks
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ASSERT_GE(lvl, CHUNK_LEVEL_4K);
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}
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for (int step = 1; step < 100; step++) {
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chunklevel_t lvl2 = a->get_level_at_step(step);
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ASSERT_TRUE(is_valid_level(lvl2));
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// limit steepness: no growth allowed beyond last chunksize * 2
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ASSERT_LE(word_size_for_level(lvl2), word_size_for_level(lvl) * 2);
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lvl = lvl2;
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}
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}
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#define DEFINE_GROWTH_POLICY_TEST(spacetype, is_class) \
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TEST_VM(metaspace, arena_growth_policy_##spacetype##_##is_class) { \
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test_arena_growth_policy(Metaspace::spacetype, is_class); \
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}
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DEFINE_GROWTH_POLICY_TEST(ClassMirrorHolderMetaspaceType, true)
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DEFINE_GROWTH_POLICY_TEST(ClassMirrorHolderMetaspaceType, false)
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DEFINE_GROWTH_POLICY_TEST(StandardMetaspaceType, true)
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DEFINE_GROWTH_POLICY_TEST(StandardMetaspaceType, false)
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DEFINE_GROWTH_POLICY_TEST(BootMetaspaceType, true)
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DEFINE_GROWTH_POLICY_TEST(BootMetaspaceType, false)
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