1 /* 2 * Copyright (c) 2018, 2020, Oracle and/or its affiliates. All rights reserved. 3 * Copyright (c) 2018, 2020 SAP SE. All rights reserved. 4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 5 * 6 * This code is free software; you can redistribute it and/or modify it 7 * under the terms of the GNU General Public License version 2 only, as 8 * published by the Free Software Foundation. 9 * 10 * This code is distributed in the hope that it will be useful, but WITHOUT 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 13 * version 2 for more details (a copy is included in the LICENSE file that 14 * accompanied this code). 15 * 16 * You should have received a copy of the GNU General Public License version 17 * 2 along with this work; if not, write to the Free Software Foundation, 18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 19 * 20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 21 * or visit www.oracle.com if you need additional information or have any 22 * questions. 23 * 24 */ 25 26 #include "precompiled.hpp" 27 28 //#define LOG_PLEASE 29 30 #include "metaspaceTestsCommon.hpp" 31 32 static void test_arena_growth_policy(Metaspace::MetaspaceType spacetype, bool is_class) { 33 34 const ArenaGrowthPolicy* a = 35 ArenaGrowthPolicy::policy_for_space_type((Metaspace::MetaspaceType)spacetype, is_class); 36 37 // initial level 38 chunklevel_t lvl = a->get_level_at_step(0); 39 ASSERT_TRUE(is_valid_level(lvl)); 40 if (spacetype != Metaspace::BootMetaspaceType) { 41 // All types save boot loader should start with small or very small chunks 42 ASSERT_GE(lvl, CHUNK_LEVEL_4K); 43 } 44 45 for (int step = 1; step < 100; step ++) { 46 chunklevel_t lvl2 = a->get_level_at_step(step); 47 ASSERT_TRUE(is_valid_level(lvl2)); 48 // limit steepness: no growth allowed beyond last chunksize * 2 49 ASSERT_LE(word_size_for_level(lvl2), word_size_for_level(lvl) * 2); 50 lvl = lvl2; 51 } 52 } 53 54 #define DEFINE_GROWTH_POLICY_TEST(spacetype, is_class) \ 55 TEST_VM(metaspace, arena_growth_policy_##spacetype##_##is_class) { \ 56 test_arena_growth_policy(Metaspace::spacetype, is_class); \ 57 } 58 59 DEFINE_GROWTH_POLICY_TEST(ReflectionMetaspaceType, true) 60 DEFINE_GROWTH_POLICY_TEST(ReflectionMetaspaceType, false) 61 DEFINE_GROWTH_POLICY_TEST(ClassMirrorHolderMetaspaceType, true) 62 DEFINE_GROWTH_POLICY_TEST(ClassMirrorHolderMetaspaceType, false) 63 DEFINE_GROWTH_POLICY_TEST(StandardMetaspaceType, true) 64 DEFINE_GROWTH_POLICY_TEST(StandardMetaspaceType, false) 65 DEFINE_GROWTH_POLICY_TEST(BootMetaspaceType, true) 66 DEFINE_GROWTH_POLICY_TEST(BootMetaspaceType, false) 67 68 69 70 71