1 /*
2 * Copyright (c) 2020, Oracle and/or its affiliates. All rights reserved.
3 * Copyright (c) 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 #include "memory/metaspace.hpp"
28 #include "memory/metaspace/chunklevel.hpp"
29 #include "memory/metaspace/metaspaceArenaGrowthPolicy.hpp"
30 //#define LOG_PLEASE
31 #include "metaspaceGtestCommon.hpp"
32
33 using metaspace::ArenaGrowthPolicy;
34 using metaspace::chunklevel_t;
35 using namespace metaspace::chunklevel;
36
test_arena_growth_policy(Metaspace::MetaspaceType spacetype,bool is_class)37 static void test_arena_growth_policy(Metaspace::MetaspaceType spacetype, bool is_class) {
38
39 const ArenaGrowthPolicy* a =
40 ArenaGrowthPolicy::policy_for_space_type((Metaspace::MetaspaceType)spacetype, is_class);
41
42 // initial level
43 chunklevel_t lvl = a->get_level_at_step(0);
44 ASSERT_TRUE(is_valid_level(lvl));
45 if (spacetype != Metaspace::BootMetaspaceType) {
46 // All types save boot loader should start with small or very small chunks
47 ASSERT_GE(lvl, CHUNK_LEVEL_4K);
48 }
49
50 for (int step = 1; step < 100; step++) {
51 chunklevel_t lvl2 = a->get_level_at_step(step);
52 ASSERT_TRUE(is_valid_level(lvl2));
53 // limit steepness: no growth allowed beyond last chunksize * 2
54 ASSERT_LE(word_size_for_level(lvl2), word_size_for_level(lvl) * 2);
55 lvl = lvl2;
56 }
57 }
58
59 #define DEFINE_GROWTH_POLICY_TEST(spacetype, is_class) \
60 TEST_VM(metaspace, arena_growth_policy_##spacetype##_##is_class) { \
61 test_arena_growth_policy(Metaspace::spacetype, is_class); \
62 }
63
64 DEFINE_GROWTH_POLICY_TEST(ReflectionMetaspaceType, true)
65 DEFINE_GROWTH_POLICY_TEST(ReflectionMetaspaceType, false)
66 DEFINE_GROWTH_POLICY_TEST(ClassMirrorHolderMetaspaceType, true)
67 DEFINE_GROWTH_POLICY_TEST(ClassMirrorHolderMetaspaceType, false)
68 DEFINE_GROWTH_POLICY_TEST(StandardMetaspaceType, true)
69 DEFINE_GROWTH_POLICY_TEST(StandardMetaspaceType, false)
70 DEFINE_GROWTH_POLICY_TEST(BootMetaspaceType, true)
71 DEFINE_GROWTH_POLICY_TEST(BootMetaspaceType, false)
72
73