| File: | jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp |
| Warning: | line 113, column 14 Value stored to 'used_words_before' during its initialization is never read |
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| 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/commitLimiter.hpp" |
| 28 | #include "memory/metaspace/counters.hpp" |
| 29 | #include "memory/metaspace/internalStats.hpp" |
| 30 | #include "memory/metaspace/metaspaceArena.hpp" |
| 31 | #include "memory/metaspace/metaspaceArenaGrowthPolicy.hpp" |
| 32 | #include "memory/metaspace/metaspaceSettings.hpp" |
| 33 | #include "memory/metaspace/metaspaceStatistics.hpp" |
| 34 | #include "runtime/mutex.hpp" |
| 35 | #include "runtime/mutexLocker.hpp" |
| 36 | #include "utilities/debug.hpp" |
| 37 | #include "utilities/globalDefinitions.hpp" |
| 38 | |
| 39 | //#define LOG_PLEASE |
| 40 | #include "metaspaceGtestCommon.hpp" |
| 41 | #include "metaspaceGtestContexts.hpp" |
| 42 | #include "metaspaceGtestRangeHelpers.hpp" |
| 43 | |
| 44 | using metaspace::ArenaGrowthPolicy; |
| 45 | using metaspace::CommitLimiter; |
| 46 | using metaspace::InternalStats; |
| 47 | using metaspace::MemRangeCounter; |
| 48 | using metaspace::MetaspaceArena; |
| 49 | using metaspace::SizeAtomicCounter; |
| 50 | using metaspace::Settings; |
| 51 | using metaspace::ArenaStats; |
| 52 | |
| 53 | // See metaspaceArena.cpp : needed for predicting commit sizes. |
| 54 | namespace metaspace { |
| 55 | extern size_t get_raw_word_size_for_requested_word_size(size_t net_word_size); |
| 56 | } |
| 57 | |
| 58 | class MetaspaceArenaTestHelper { |
| 59 | |
| 60 | MetaspaceGtestContext& _context; |
| 61 | |
| 62 | Mutex* _lock; |
| 63 | const ArenaGrowthPolicy* _growth_policy; |
| 64 | SizeAtomicCounter _used_words_counter; |
| 65 | MetaspaceArena* _arena; |
| 66 | |
| 67 | void initialize(const ArenaGrowthPolicy* growth_policy, const char* name = "gtest-MetaspaceArena") { |
| 68 | _growth_policy = growth_policy; |
| 69 | _lock = new Mutex(Monitor::nosafepoint, "gtest-MetaspaceArenaTest_lock"); |
| 70 | // Lock during space creation, since this is what happens in the VM too |
| 71 | // (see ClassLoaderData::metaspace_non_null(), which we mimick here). |
| 72 | { |
| 73 | MutexLocker ml(_lock, Mutex::_no_safepoint_check_flag); |
| 74 | _arena = new MetaspaceArena(&_context.cm(), _growth_policy, _lock, &_used_words_counter, name); |
| 75 | } |
| 76 | DEBUG_ONLY(_arena->verify())_arena->verify(); |
| 77 | |
| 78 | } |
| 79 | |
| 80 | public: |
| 81 | |
| 82 | // Create a helper; growth policy for arena is determined by the given spacetype|class tupel |
| 83 | MetaspaceArenaTestHelper(MetaspaceGtestContext& helper, |
| 84 | Metaspace::MetaspaceType space_type, bool is_class, |
| 85 | const char* name = "gtest-MetaspaceArena") : |
| 86 | _context(helper) |
| 87 | { |
| 88 | initialize(ArenaGrowthPolicy::policy_for_space_type(space_type, is_class), name); |
| 89 | } |
| 90 | |
| 91 | // Create a helper; growth policy is directly specified |
| 92 | MetaspaceArenaTestHelper(MetaspaceGtestContext& helper, const ArenaGrowthPolicy* growth_policy, |
| 93 | const char* name = "gtest-MetaspaceArena") : |
| 94 | _context(helper) |
| 95 | { |
| 96 | initialize(growth_policy, name); |
| 97 | } |
| 98 | |
| 99 | ~MetaspaceArenaTestHelper() { |
| 100 | delete_arena_with_tests(); |
| 101 | delete _lock; |
| 102 | } |
| 103 | |
| 104 | const CommitLimiter& limiter() const { return _context.commit_limiter(); } |
| 105 | MetaspaceArena* arena() const { return _arena; } |
| 106 | SizeAtomicCounter& used_words_counter() { return _used_words_counter; } |
| 107 | |
| 108 | // Note: all test functions return void due to gtests limitation that we cannot use ASSERT |
| 109 | // in non-void returning tests. |
| 110 | |
| 111 | void delete_arena_with_tests() { |
| 112 | if (_arena != NULL__null) { |
| 113 | size_t used_words_before = _used_words_counter.get(); |
Value stored to 'used_words_before' during its initialization is never read | |
| 114 | size_t committed_words_before = limiter().committed_words(); |
| 115 | DEBUG_ONLY(_arena->verify())_arena->verify(); |
| 116 | delete _arena; |
| 117 | _arena = NULL__null; |
| 118 | size_t used_words_after = _used_words_counter.get(); |
| 119 | size_t committed_words_after = limiter().committed_words(); |
| 120 | ASSERT_0(used_words_after)switch (0) case 0: default: if (const ::testing::AssertionResult gtest_ar = (::testing::internal:: EqHelper<(sizeof(::testing ::internal::IsNullLiteralHelper((intptr_t)0)) == 1)>::Compare ("(intptr_t)0", "(intptr_t)used_words_after", (intptr_t)0, (intptr_t )used_words_after))) ; else return ::testing::internal::AssertHelper (::testing::TestPartResult::kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 120, gtest_ar.failure_message()) = ::testing::Message(); |
| 121 | if (Settings::uncommit_free_chunks()) { |
| 122 | ASSERT_LE(committed_words_after, committed_words_before)switch (0) case 0: default: if (const ::testing::AssertionResult gtest_ar = (::testing::internal::CmpHelperLE("committed_words_after" , "committed_words_before", committed_words_after, committed_words_before ))) ; else return ::testing::internal::AssertHelper(::testing ::TestPartResult::kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 122, gtest_ar.failure_message()) = ::testing::Message(); |
| 123 | } else { |
| 124 | ASSERT_EQ(committed_words_after, committed_words_before)switch (0) case 0: default: if (const ::testing::AssertionResult gtest_ar = (::testing::internal:: EqHelper<(sizeof(::testing ::internal::IsNullLiteralHelper(committed_words_after)) == 1) >::Compare("committed_words_after", "committed_words_before" , committed_words_after, committed_words_before))) ; else return ::testing::internal::AssertHelper(::testing::TestPartResult:: kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 124, gtest_ar.failure_message()) = ::testing::Message(); |
| 125 | } |
| 126 | } |
| 127 | } |
| 128 | |
| 129 | void usage_numbers_with_test(size_t* p_used, size_t* p_committed, size_t* p_capacity) const { |
| 130 | _arena->usage_numbers(p_used, p_committed, p_capacity); |
| 131 | if (p_used != NULL__null) { |
| 132 | if (p_committed != NULL__null) { |
| 133 | ASSERT_GE(*p_committed, *p_used)switch (0) case 0: default: if (const ::testing::AssertionResult gtest_ar = (::testing::internal::CmpHelperGE("*p_committed", "*p_used", *p_committed, *p_used))) ; else return ::testing:: internal::AssertHelper(::testing::TestPartResult::kFatalFailure , "/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 133, gtest_ar.failure_message()) = ::testing::Message(); |
| 134 | } |
| 135 | // Since we own the used words counter, it should reflect our usage number 1:1 |
| 136 | ASSERT_EQ(_used_words_counter.get(), *p_used)switch (0) case 0: default: if (const ::testing::AssertionResult gtest_ar = (::testing::internal:: EqHelper<(sizeof(::testing ::internal::IsNullLiteralHelper(_used_words_counter.get())) == 1)>::Compare("_used_words_counter.get()", "*p_used", _used_words_counter .get(), *p_used))) ; else return ::testing::internal::AssertHelper (::testing::TestPartResult::kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 136, gtest_ar.failure_message()) = ::testing::Message(); |
| 137 | } |
| 138 | if (p_committed != NULL__null && p_capacity != NULL__null) { |
| 139 | ASSERT_GE(*p_capacity, *p_committed)switch (0) case 0: default: if (const ::testing::AssertionResult gtest_ar = (::testing::internal::CmpHelperGE("*p_capacity", "*p_committed" , *p_capacity, *p_committed))) ; else return ::testing::internal ::AssertHelper(::testing::TestPartResult::kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 139, gtest_ar.failure_message()) = ::testing::Message(); |
| 140 | } |
| 141 | } |
| 142 | |
| 143 | // Allocate; caller expects success; return pointer in *p_return_value |
| 144 | void allocate_from_arena_with_tests_expect_success(MetaWord** p_return_value, size_t word_size) { |
| 145 | allocate_from_arena_with_tests(p_return_value, word_size); |
| 146 | ASSERT_NOT_NULL(*p_return_value)switch (0) case 0: default: if (const ::testing::AssertionResult gtest_ar = (::testing::internal::CmpHelperNE("(void*)__null" , "(void*)*p_return_value", (void*)__null, (void*)*p_return_value ))) ; else return ::testing::internal::AssertHelper(::testing ::TestPartResult::kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 146, gtest_ar.failure_message()) = ::testing::Message(); |
| 147 | } |
| 148 | |
| 149 | // Allocate; caller expects success but is not interested in return value |
| 150 | void allocate_from_arena_with_tests_expect_success(size_t word_size) { |
| 151 | MetaWord* dummy = NULL__null; |
| 152 | allocate_from_arena_with_tests_expect_success(&dummy, word_size); |
| 153 | } |
| 154 | |
| 155 | // Allocate; caller expects failure |
| 156 | void allocate_from_arena_with_tests_expect_failure(size_t word_size) { |
| 157 | MetaWord* dummy = NULL__null; |
| 158 | allocate_from_arena_with_tests(&dummy, word_size); |
| 159 | ASSERT_NULL(dummy)switch (0) case 0: default: if (const ::testing::AssertionResult gtest_ar = (::testing::internal:: EqHelper<(sizeof(::testing ::internal::IsNullLiteralHelper((void*)__null)) == 1)>::Compare ("(void*)__null", "(void*)dummy", (void*)__null, (void*)dummy ))) ; else return ::testing::internal::AssertHelper(::testing ::TestPartResult::kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 159, gtest_ar.failure_message()) = ::testing::Message(); |
| 160 | } |
| 161 | |
| 162 | // Allocate; it may or may not work; return value in *p_return_value |
| 163 | void allocate_from_arena_with_tests(MetaWord** p_return_value, size_t word_size) { |
| 164 | |
| 165 | // Note: usage_numbers walks all chunks in use and counts. |
| 166 | size_t used = 0, committed = 0, capacity = 0; |
| 167 | usage_numbers_with_test(&used, &committed, &capacity); |
| 168 | |
| 169 | size_t possible_expansion = limiter().possible_expansion_words(); |
| 170 | |
| 171 | MetaWord* p = _arena->allocate(word_size); |
| 172 | |
| 173 | SOMETIMES(DEBUG_ONLY(_arena->verify();)){ static int counter_ = 0; if (VerifyMetaspaceInterval > 0 ) { counter_++; if (counter_ >= VerifyMetaspaceInterval) { counter_ = 0; { _arena->verify(); } } } } |
| 174 | |
| 175 | size_t used2 = 0, committed2 = 0, capacity2 = 0; |
| 176 | usage_numbers_with_test(&used2, &committed2, &capacity2); |
| 177 | |
| 178 | if (p == NULL__null) { |
| 179 | // Allocation failed. |
| 180 | if (Settings::new_chunks_are_fully_committed()) { |
| 181 | ASSERT_LT(possible_expansion, MAX_CHUNK_WORD_SIZE)switch (0) case 0: default: if (const ::testing::AssertionResult gtest_ar = (::testing::internal::CmpHelperLT("possible_expansion" , "MAX_CHUNK_WORD_SIZE", possible_expansion, MAX_CHUNK_WORD_SIZE ))) ; else return ::testing::internal::AssertHelper(::testing ::TestPartResult::kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 181, gtest_ar.failure_message()) = ::testing::Message(); |
| 182 | } else { |
| 183 | ASSERT_LT(possible_expansion, word_size)switch (0) case 0: default: if (const ::testing::AssertionResult gtest_ar = (::testing::internal::CmpHelperLT("possible_expansion" , "word_size", possible_expansion, word_size))) ; else return ::testing::internal::AssertHelper(::testing::TestPartResult:: kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 183, gtest_ar.failure_message()) = ::testing::Message(); |
| 184 | } |
| 185 | |
| 186 | ASSERT_EQ(used, used2)switch (0) case 0: default: if (const ::testing::AssertionResult gtest_ar = (::testing::internal:: EqHelper<(sizeof(::testing ::internal::IsNullLiteralHelper(used)) == 1)>::Compare("used" , "used2", used, used2))) ; else return ::testing::internal:: AssertHelper(::testing::TestPartResult::kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 186, gtest_ar.failure_message()) = ::testing::Message(); |
| 187 | ASSERT_EQ(committed, committed2)switch (0) case 0: default: if (const ::testing::AssertionResult gtest_ar = (::testing::internal:: EqHelper<(sizeof(::testing ::internal::IsNullLiteralHelper(committed)) == 1)>::Compare ("committed", "committed2", committed, committed2))) ; else return ::testing::internal::AssertHelper(::testing::TestPartResult:: kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 187, gtest_ar.failure_message()) = ::testing::Message(); |
| 188 | ASSERT_EQ(capacity, capacity2)switch (0) case 0: default: if (const ::testing::AssertionResult gtest_ar = (::testing::internal:: EqHelper<(sizeof(::testing ::internal::IsNullLiteralHelper(capacity)) == 1)>::Compare ("capacity", "capacity2", capacity, capacity2))) ; else return ::testing::internal::AssertHelper(::testing::TestPartResult:: kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 188, gtest_ar.failure_message()) = ::testing::Message(); |
| 189 | } else { |
| 190 | // Allocation succeeded. Should be correctly aligned. |
| 191 | ASSERT_TRUE(is_aligned(p, sizeof(MetaWord)))switch (0) case 0: default: if (const ::testing::AssertionResult gtest_ar_ = ::testing::AssertionResult(is_aligned(p, sizeof( MetaWord)))) ; else return ::testing::internal::AssertHelper( ::testing::TestPartResult::kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 191, ::testing::internal::GetBoolAssertionFailureMessage( gtest_ar_ , "is_aligned(p, sizeof(MetaWord))", "false", "true").c_str() ) = ::testing::Message(); |
| 192 | // used: may go up or may not (since our request may have been satisfied from the freeblocklist |
| 193 | // whose content already counts as used). |
| 194 | // committed: may go up, may not |
| 195 | // capacity: ditto |
| 196 | ASSERT_GE(used2, used)switch (0) case 0: default: if (const ::testing::AssertionResult gtest_ar = (::testing::internal::CmpHelperGE("used2", "used" , used2, used))) ; else return ::testing::internal::AssertHelper (::testing::TestPartResult::kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 196, gtest_ar.failure_message()) = ::testing::Message(); |
| 197 | ASSERT_GE(committed2, committed)switch (0) case 0: default: if (const ::testing::AssertionResult gtest_ar = (::testing::internal::CmpHelperGE("committed2", "committed" , committed2, committed))) ; else return ::testing::internal:: AssertHelper(::testing::TestPartResult::kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 197, gtest_ar.failure_message()) = ::testing::Message(); |
| 198 | ASSERT_GE(capacity2, capacity)switch (0) case 0: default: if (const ::testing::AssertionResult gtest_ar = (::testing::internal::CmpHelperGE("capacity2", "capacity" , capacity2, capacity))) ; else return ::testing::internal::AssertHelper (::testing::TestPartResult::kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 198, gtest_ar.failure_message()) = ::testing::Message(); |
| 199 | } |
| 200 | |
| 201 | *p_return_value = p; |
| 202 | } |
| 203 | |
| 204 | // Allocate; it may or may not work; but caller does not care for the result value |
| 205 | void allocate_from_arena_with_tests(size_t word_size) { |
| 206 | MetaWord* dummy = NULL__null; |
| 207 | allocate_from_arena_with_tests(&dummy, word_size); |
| 208 | } |
| 209 | |
| 210 | void deallocate_with_tests(MetaWord* p, size_t word_size) { |
| 211 | size_t used = 0, committed = 0, capacity = 0; |
| 212 | usage_numbers_with_test(&used, &committed, &capacity); |
| 213 | |
| 214 | _arena->deallocate(p, word_size); |
| 215 | |
| 216 | SOMETIMES(DEBUG_ONLY(_arena->verify();)){ static int counter_ = 0; if (VerifyMetaspaceInterval > 0 ) { counter_++; if (counter_ >= VerifyMetaspaceInterval) { counter_ = 0; { _arena->verify(); } } } } |
| 217 | |
| 218 | size_t used2 = 0, committed2 = 0, capacity2 = 0; |
| 219 | usage_numbers_with_test(&used2, &committed2, &capacity2); |
| 220 | |
| 221 | // Nothing should have changed. Deallocated blocks are added to the free block list |
| 222 | // which still counts as used. |
| 223 | ASSERT_EQ(used2, used)switch (0) case 0: default: if (const ::testing::AssertionResult gtest_ar = (::testing::internal:: EqHelper<(sizeof(::testing ::internal::IsNullLiteralHelper(used2)) == 1)>::Compare("used2" , "used", used2, used))) ; else return ::testing::internal::AssertHelper (::testing::TestPartResult::kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 223, gtest_ar.failure_message()) = ::testing::Message(); |
| 224 | ASSERT_EQ(committed2, committed)switch (0) case 0: default: if (const ::testing::AssertionResult gtest_ar = (::testing::internal:: EqHelper<(sizeof(::testing ::internal::IsNullLiteralHelper(committed2)) == 1)>::Compare ("committed2", "committed", committed2, committed))) ; else return ::testing::internal::AssertHelper(::testing::TestPartResult:: kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 224, gtest_ar.failure_message()) = ::testing::Message(); |
| 225 | ASSERT_EQ(capacity2, capacity)switch (0) case 0: default: if (const ::testing::AssertionResult gtest_ar = (::testing::internal:: EqHelper<(sizeof(::testing ::internal::IsNullLiteralHelper(capacity2)) == 1)>::Compare ("capacity2", "capacity", capacity2, capacity))) ; else return ::testing::internal::AssertHelper(::testing::TestPartResult:: kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 225, gtest_ar.failure_message()) = ::testing::Message(); |
| 226 | } |
| 227 | |
| 228 | ArenaStats get_arena_statistics() const { |
| 229 | ArenaStats stats; |
| 230 | _arena->add_to_statistics(&stats); |
| 231 | return stats; |
| 232 | } |
| 233 | |
| 234 | // Convenience method to return number of chunks in arena (including current chunk) |
| 235 | int get_number_of_chunks() const { |
| 236 | return get_arena_statistics().totals()._num; |
| 237 | } |
| 238 | |
| 239 | }; |
| 240 | |
| 241 | static void test_basics(size_t commit_limit, bool is_micro) { |
| 242 | MetaspaceGtestContext context(commit_limit); |
| 243 | MetaspaceArenaTestHelper helper(context, is_micro ? Metaspace::ReflectionMetaspaceType : Metaspace::StandardMetaspaceType, false); |
| 244 | |
| 245 | helper.allocate_from_arena_with_tests(1); |
| 246 | helper.allocate_from_arena_with_tests(128); |
| 247 | helper.allocate_from_arena_with_tests(128 * K); |
| 248 | helper.allocate_from_arena_with_tests(1); |
| 249 | helper.allocate_from_arena_with_tests(128); |
| 250 | helper.allocate_from_arena_with_tests(128 * K); |
| 251 | } |
| 252 | |
| 253 | TEST_VM(metaspace, MetaspaceArena_basics_micro_nolimit)class metaspace_MetaspaceArena_basics_micro_nolimit_vm_Test : public ::testing::Test { public: metaspace_MetaspaceArena_basics_micro_nolimit_vm_Test () {} private: virtual void TestBody(); static ::testing::TestInfo * const test_info_ __attribute__ ((unused)); metaspace_MetaspaceArena_basics_micro_nolimit_vm_Test (metaspace_MetaspaceArena_basics_micro_nolimit_vm_Test const & ) = delete; void operator=(metaspace_MetaspaceArena_basics_micro_nolimit_vm_Test const &) = delete;};::testing::TestInfo* const metaspace_MetaspaceArena_basics_micro_nolimit_vm_Test ::test_info_ = ::testing::internal::MakeAndRegisterTestInfo( "metaspace", "MetaspaceArena_basics_micro_nolimit_vm", __null , __null, ::testing::internal::CodeLocation("/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 253), (::testing::internal::GetTestTypeId()), ::testing::Test ::SetUpTestCase, ::testing::Test::TearDownTestCase, new ::testing ::internal::TestFactoryImpl< metaspace_MetaspaceArena_basics_micro_nolimit_vm_Test >);void metaspace_MetaspaceArena_basics_micro_nolimit_vm_Test ::TestBody() { |
| 254 | test_basics(max_uintx, true); |
| 255 | } |
| 256 | |
| 257 | TEST_VM(metaspace, MetaspaceArena_basics_micro_limit)class metaspace_MetaspaceArena_basics_micro_limit_vm_Test : public ::testing::Test { public: metaspace_MetaspaceArena_basics_micro_limit_vm_Test () {} private: virtual void TestBody(); static ::testing::TestInfo * const test_info_ __attribute__ ((unused)); metaspace_MetaspaceArena_basics_micro_limit_vm_Test (metaspace_MetaspaceArena_basics_micro_limit_vm_Test const & ) = delete; void operator=(metaspace_MetaspaceArena_basics_micro_limit_vm_Test const &) = delete;};::testing::TestInfo* const metaspace_MetaspaceArena_basics_micro_limit_vm_Test ::test_info_ = ::testing::internal::MakeAndRegisterTestInfo( "metaspace", "MetaspaceArena_basics_micro_limit_vm", __null, __null, ::testing::internal::CodeLocation("/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 257), (::testing::internal::GetTestTypeId()), ::testing::Test ::SetUpTestCase, ::testing::Test::TearDownTestCase, new ::testing ::internal::TestFactoryImpl< metaspace_MetaspaceArena_basics_micro_limit_vm_Test >);void metaspace_MetaspaceArena_basics_micro_limit_vm_Test ::TestBody() { |
| 258 | test_basics(256 * K, true); |
| 259 | } |
| 260 | |
| 261 | TEST_VM(metaspace, MetaspaceArena_basics_standard_nolimit)class metaspace_MetaspaceArena_basics_standard_nolimit_vm_Test : public ::testing::Test { public: metaspace_MetaspaceArena_basics_standard_nolimit_vm_Test () {} private: virtual void TestBody(); static ::testing::TestInfo * const test_info_ __attribute__ ((unused)); metaspace_MetaspaceArena_basics_standard_nolimit_vm_Test (metaspace_MetaspaceArena_basics_standard_nolimit_vm_Test const &) = delete; void operator=(metaspace_MetaspaceArena_basics_standard_nolimit_vm_Test const &) = delete;};::testing::TestInfo* const metaspace_MetaspaceArena_basics_standard_nolimit_vm_Test ::test_info_ = ::testing::internal::MakeAndRegisterTestInfo( "metaspace", "MetaspaceArena_basics_standard_nolimit_vm", __null , __null, ::testing::internal::CodeLocation("/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 261), (::testing::internal::GetTestTypeId()), ::testing::Test ::SetUpTestCase, ::testing::Test::TearDownTestCase, new ::testing ::internal::TestFactoryImpl< metaspace_MetaspaceArena_basics_standard_nolimit_vm_Test >);void metaspace_MetaspaceArena_basics_standard_nolimit_vm_Test ::TestBody() { |
| 262 | test_basics(max_uintx, false); |
| 263 | } |
| 264 | |
| 265 | TEST_VM(metaspace, MetaspaceArena_basics_standard_limit)class metaspace_MetaspaceArena_basics_standard_limit_vm_Test : public ::testing::Test { public: metaspace_MetaspaceArena_basics_standard_limit_vm_Test () {} private: virtual void TestBody(); static ::testing::TestInfo * const test_info_ __attribute__ ((unused)); metaspace_MetaspaceArena_basics_standard_limit_vm_Test (metaspace_MetaspaceArena_basics_standard_limit_vm_Test const &) = delete; void operator=(metaspace_MetaspaceArena_basics_standard_limit_vm_Test const &) = delete;};::testing::TestInfo* const metaspace_MetaspaceArena_basics_standard_limit_vm_Test ::test_info_ = ::testing::internal::MakeAndRegisterTestInfo( "metaspace", "MetaspaceArena_basics_standard_limit_vm", __null , __null, ::testing::internal::CodeLocation("/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 265), (::testing::internal::GetTestTypeId()), ::testing::Test ::SetUpTestCase, ::testing::Test::TearDownTestCase, new ::testing ::internal::TestFactoryImpl< metaspace_MetaspaceArena_basics_standard_limit_vm_Test >);void metaspace_MetaspaceArena_basics_standard_limit_vm_Test ::TestBody() { |
| 266 | test_basics(256 * K, false); |
| 267 | } |
| 268 | |
| 269 | // Test chunk enlargement: |
| 270 | // A single MetaspaceArena, left undisturbed with place to grow. Slowly fill arena up. |
| 271 | // We should see at least some occurrences of chunk-in-place enlargement. |
| 272 | static void test_chunk_enlargment_simple(Metaspace::MetaspaceType spacetype, bool is_class) { |
| 273 | |
| 274 | MetaspaceGtestContext context; |
| 275 | MetaspaceArenaTestHelper helper(context, (Metaspace::MetaspaceType)spacetype, is_class); |
| 276 | |
| 277 | uint64_t n1 = metaspace::InternalStats::num_chunks_enlarged(); |
| 278 | |
| 279 | size_t allocated = 0; |
| 280 | while (allocated <= MAX_CHUNK_WORD_SIZE && |
| 281 | metaspace::InternalStats::num_chunks_enlarged() == n1) { |
| 282 | size_t s = IntRange(32, 128).random_value(); |
| 283 | helper.allocate_from_arena_with_tests_expect_success(s); |
| 284 | allocated += metaspace::get_raw_word_size_for_requested_word_size(s); |
| 285 | } |
| 286 | |
| 287 | EXPECT_GT(metaspace::InternalStats::num_chunks_enlarged(), n1)switch (0) case 0: default: if (const ::testing::AssertionResult gtest_ar = (::testing::internal::CmpHelperGT("metaspace::InternalStats::num_chunks_enlarged()" , "n1", metaspace::InternalStats::num_chunks_enlarged(), n1)) ) ; else ::testing::internal::AssertHelper(::testing::TestPartResult ::kNonFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 287, gtest_ar.failure_message()) = ::testing::Message(); |
| 288 | |
| 289 | } |
| 290 | |
| 291 | // Do this test for some of the standard types; don't do it for the boot loader type |
| 292 | // since that one starts out with max chunk size so we would not see any enlargement. |
| 293 | |
| 294 | TEST_VM(metaspace, MetaspaceArena_test_enlarge_in_place_standard_c)class metaspace_MetaspaceArena_test_enlarge_in_place_standard_c_vm_Test : public ::testing::Test { public: metaspace_MetaspaceArena_test_enlarge_in_place_standard_c_vm_Test () {} private: virtual void TestBody(); static ::testing::TestInfo * const test_info_ __attribute__ ((unused)); metaspace_MetaspaceArena_test_enlarge_in_place_standard_c_vm_Test (metaspace_MetaspaceArena_test_enlarge_in_place_standard_c_vm_Test const &) = delete; void operator=(metaspace_MetaspaceArena_test_enlarge_in_place_standard_c_vm_Test const &) = delete;};::testing::TestInfo* const metaspace_MetaspaceArena_test_enlarge_in_place_standard_c_vm_Test ::test_info_ = ::testing::internal::MakeAndRegisterTestInfo( "metaspace", "MetaspaceArena_test_enlarge_in_place_standard_c_vm" , __null, __null, ::testing::internal::CodeLocation("/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 294), (::testing::internal::GetTestTypeId()), ::testing::Test ::SetUpTestCase, ::testing::Test::TearDownTestCase, new ::testing ::internal::TestFactoryImpl< metaspace_MetaspaceArena_test_enlarge_in_place_standard_c_vm_Test >);void metaspace_MetaspaceArena_test_enlarge_in_place_standard_c_vm_Test ::TestBody() { |
| 295 | test_chunk_enlargment_simple(Metaspace::StandardMetaspaceType, true); |
| 296 | } |
| 297 | |
| 298 | TEST_VM(metaspace, MetaspaceArena_test_enlarge_in_place_standard_nc)class metaspace_MetaspaceArena_test_enlarge_in_place_standard_nc_vm_Test : public ::testing::Test { public: metaspace_MetaspaceArena_test_enlarge_in_place_standard_nc_vm_Test () {} private: virtual void TestBody(); static ::testing::TestInfo * const test_info_ __attribute__ ((unused)); metaspace_MetaspaceArena_test_enlarge_in_place_standard_nc_vm_Test (metaspace_MetaspaceArena_test_enlarge_in_place_standard_nc_vm_Test const &) = delete; void operator=(metaspace_MetaspaceArena_test_enlarge_in_place_standard_nc_vm_Test const &) = delete;};::testing::TestInfo* const metaspace_MetaspaceArena_test_enlarge_in_place_standard_nc_vm_Test ::test_info_ = ::testing::internal::MakeAndRegisterTestInfo( "metaspace", "MetaspaceArena_test_enlarge_in_place_standard_nc_vm" , __null, __null, ::testing::internal::CodeLocation("/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 298), (::testing::internal::GetTestTypeId()), ::testing::Test ::SetUpTestCase, ::testing::Test::TearDownTestCase, new ::testing ::internal::TestFactoryImpl< metaspace_MetaspaceArena_test_enlarge_in_place_standard_nc_vm_Test >);void metaspace_MetaspaceArena_test_enlarge_in_place_standard_nc_vm_Test ::TestBody() { |
| 299 | test_chunk_enlargment_simple(Metaspace::StandardMetaspaceType, false); |
| 300 | } |
| 301 | |
| 302 | TEST_VM(metaspace, MetaspaceArena_test_enlarge_in_place_micro_c)class metaspace_MetaspaceArena_test_enlarge_in_place_micro_c_vm_Test : public ::testing::Test { public: metaspace_MetaspaceArena_test_enlarge_in_place_micro_c_vm_Test () {} private: virtual void TestBody(); static ::testing::TestInfo * const test_info_ __attribute__ ((unused)); metaspace_MetaspaceArena_test_enlarge_in_place_micro_c_vm_Test (metaspace_MetaspaceArena_test_enlarge_in_place_micro_c_vm_Test const &) = delete; void operator=(metaspace_MetaspaceArena_test_enlarge_in_place_micro_c_vm_Test const &) = delete;};::testing::TestInfo* const metaspace_MetaspaceArena_test_enlarge_in_place_micro_c_vm_Test ::test_info_ = ::testing::internal::MakeAndRegisterTestInfo( "metaspace", "MetaspaceArena_test_enlarge_in_place_micro_c_vm" , __null, __null, ::testing::internal::CodeLocation("/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 302), (::testing::internal::GetTestTypeId()), ::testing::Test ::SetUpTestCase, ::testing::Test::TearDownTestCase, new ::testing ::internal::TestFactoryImpl< metaspace_MetaspaceArena_test_enlarge_in_place_micro_c_vm_Test >);void metaspace_MetaspaceArena_test_enlarge_in_place_micro_c_vm_Test ::TestBody() { |
| 303 | test_chunk_enlargment_simple(Metaspace::ReflectionMetaspaceType, true); |
| 304 | } |
| 305 | |
| 306 | TEST_VM(metaspace, MetaspaceArena_test_enlarge_in_place_micro_nc)class metaspace_MetaspaceArena_test_enlarge_in_place_micro_nc_vm_Test : public ::testing::Test { public: metaspace_MetaspaceArena_test_enlarge_in_place_micro_nc_vm_Test () {} private: virtual void TestBody(); static ::testing::TestInfo * const test_info_ __attribute__ ((unused)); metaspace_MetaspaceArena_test_enlarge_in_place_micro_nc_vm_Test (metaspace_MetaspaceArena_test_enlarge_in_place_micro_nc_vm_Test const &) = delete; void operator=(metaspace_MetaspaceArena_test_enlarge_in_place_micro_nc_vm_Test const &) = delete;};::testing::TestInfo* const metaspace_MetaspaceArena_test_enlarge_in_place_micro_nc_vm_Test ::test_info_ = ::testing::internal::MakeAndRegisterTestInfo( "metaspace", "MetaspaceArena_test_enlarge_in_place_micro_nc_vm" , __null, __null, ::testing::internal::CodeLocation("/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 306), (::testing::internal::GetTestTypeId()), ::testing::Test ::SetUpTestCase, ::testing::Test::TearDownTestCase, new ::testing ::internal::TestFactoryImpl< metaspace_MetaspaceArena_test_enlarge_in_place_micro_nc_vm_Test >);void metaspace_MetaspaceArena_test_enlarge_in_place_micro_nc_vm_Test ::TestBody() { |
| 307 | test_chunk_enlargment_simple(Metaspace::ReflectionMetaspaceType, false); |
| 308 | } |
| 309 | |
| 310 | // Test chunk enlargement: |
| 311 | // A single MetaspaceArena, left undisturbed with place to grow. Slowly fill arena up. |
| 312 | // We should see occurrences of chunk-in-place enlargement. |
| 313 | // Here, we give it an ideal policy which should enable the initial chunk to grow unmolested |
| 314 | // until finish. |
| 315 | TEST_VM(metaspace, MetaspaceArena_test_enlarge_in_place_2)class metaspace_MetaspaceArena_test_enlarge_in_place_2_vm_Test : public ::testing::Test { public: metaspace_MetaspaceArena_test_enlarge_in_place_2_vm_Test () {} private: virtual void TestBody(); static ::testing::TestInfo * const test_info_ __attribute__ ((unused)); metaspace_MetaspaceArena_test_enlarge_in_place_2_vm_Test (metaspace_MetaspaceArena_test_enlarge_in_place_2_vm_Test const &) = delete; void operator=(metaspace_MetaspaceArena_test_enlarge_in_place_2_vm_Test const &) = delete;};::testing::TestInfo* const metaspace_MetaspaceArena_test_enlarge_in_place_2_vm_Test ::test_info_ = ::testing::internal::MakeAndRegisterTestInfo( "metaspace", "MetaspaceArena_test_enlarge_in_place_2_vm", __null , __null, ::testing::internal::CodeLocation("/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 315), (::testing::internal::GetTestTypeId()), ::testing::Test ::SetUpTestCase, ::testing::Test::TearDownTestCase, new ::testing ::internal::TestFactoryImpl< metaspace_MetaspaceArena_test_enlarge_in_place_2_vm_Test >);void metaspace_MetaspaceArena_test_enlarge_in_place_2_vm_Test ::TestBody() { |
| 316 | |
| 317 | if (Settings::use_allocation_guard()) { |
| 318 | return; |
| 319 | } |
| 320 | |
| 321 | // Note: internally, chunk in-place enlargement is disallowed if growing the chunk |
| 322 | // would cause the arena to claim more memory than its growth policy allows. This |
| 323 | // is done to prevent the arena to grow too fast. |
| 324 | // |
| 325 | // In order to test in-place growth here without that restriction I give it an |
| 326 | // artificial growth policy which starts out with a tiny chunk size, then balloons |
| 327 | // right up to max chunk size. This will cause the initial chunk to be tiny, and |
| 328 | // then the arena is able to grow it without violating growth policy. |
| 329 | chunklevel_t growth[] = { HIGHEST_CHUNK_LEVEL, ROOT_CHUNK_LEVEL }; |
| 330 | ArenaGrowthPolicy growth_policy(growth, 2); |
| 331 | |
| 332 | MetaspaceGtestContext context; |
| 333 | MetaspaceArenaTestHelper helper(context, &growth_policy); |
| 334 | |
| 335 | uint64_t n1 = metaspace::InternalStats::num_chunks_enlarged(); |
| 336 | |
| 337 | size_t allocated = 0; |
| 338 | while (allocated <= MAX_CHUNK_WORD_SIZE) { |
| 339 | size_t s = IntRange(32, 128).random_value(); |
| 340 | helper.allocate_from_arena_with_tests_expect_success(s); |
| 341 | allocated += metaspace::get_raw_word_size_for_requested_word_size(s); |
| 342 | if (allocated <= MAX_CHUNK_WORD_SIZE) { |
| 343 | // Chunk should have been enlarged in place |
| 344 | ASSERT_EQ(1, helper.get_number_of_chunks())switch (0) case 0: default: if (const ::testing::AssertionResult gtest_ar = (::testing::internal:: EqHelper<(sizeof(::testing ::internal::IsNullLiteralHelper(1)) == 1)>::Compare("1", "helper.get_number_of_chunks()" , 1, helper.get_number_of_chunks()))) ; else return ::testing ::internal::AssertHelper(::testing::TestPartResult::kFatalFailure , "/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 344, gtest_ar.failure_message()) = ::testing::Message(); |
| 345 | } else { |
| 346 | // Next chunk should have started |
| 347 | ASSERT_EQ(2, helper.get_number_of_chunks())switch (0) case 0: default: if (const ::testing::AssertionResult gtest_ar = (::testing::internal:: EqHelper<(sizeof(::testing ::internal::IsNullLiteralHelper(2)) == 1)>::Compare("2", "helper.get_number_of_chunks()" , 2, helper.get_number_of_chunks()))) ; else return ::testing ::internal::AssertHelper(::testing::TestPartResult::kFatalFailure , "/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 347, gtest_ar.failure_message()) = ::testing::Message(); |
| 348 | } |
| 349 | } |
| 350 | |
| 351 | int times_chunk_were_enlarged = metaspace::InternalStats::num_chunks_enlarged() - n1; |
| 352 | LOG("chunk was enlarged %d times.", times_chunk_were_enlarged); |
| 353 | |
| 354 | ASSERT_GT0(times_chunk_were_enlarged)switch (0) case 0: default: if (const ::testing::AssertionResult gtest_ar = (::testing::internal::CmpHelperGT("(intptr_t)times_chunk_were_enlarged" , "(intptr_t)0", (intptr_t)times_chunk_were_enlarged, (intptr_t )0))) ; else return ::testing::internal::AssertHelper(::testing ::TestPartResult::kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 354, gtest_ar.failure_message()) = ::testing::Message(); |
| 355 | |
| 356 | } |
| 357 | |
| 358 | // Regression test: Given a single MetaspaceArena, left undisturbed with place to grow, |
| 359 | // test that in place enlargement correctly fails if growing the chunk would bring us |
| 360 | // beyond the max. size of a chunk. |
| 361 | TEST_VM(metaspace, MetaspaceArena_test_failing_to_enlarge_in_place_max_chunk_size)class metaspace_MetaspaceArena_test_failing_to_enlarge_in_place_max_chunk_size_vm_Test : public ::testing::Test { public: metaspace_MetaspaceArena_test_failing_to_enlarge_in_place_max_chunk_size_vm_Test () {} private: virtual void TestBody(); static ::testing::TestInfo * const test_info_ __attribute__ ((unused)); metaspace_MetaspaceArena_test_failing_to_enlarge_in_place_max_chunk_size_vm_Test (metaspace_MetaspaceArena_test_failing_to_enlarge_in_place_max_chunk_size_vm_Test const &) = delete; void operator=(metaspace_MetaspaceArena_test_failing_to_enlarge_in_place_max_chunk_size_vm_Test const &) = delete;};::testing::TestInfo* const metaspace_MetaspaceArena_test_failing_to_enlarge_in_place_max_chunk_size_vm_Test ::test_info_ = ::testing::internal::MakeAndRegisterTestInfo( "metaspace", "MetaspaceArena_test_failing_to_enlarge_in_place_max_chunk_size_vm" , __null, __null, ::testing::internal::CodeLocation("/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 361), (::testing::internal::GetTestTypeId()), ::testing::Test ::SetUpTestCase, ::testing::Test::TearDownTestCase, new ::testing ::internal::TestFactoryImpl< metaspace_MetaspaceArena_test_failing_to_enlarge_in_place_max_chunk_size_vm_Test >);void metaspace_MetaspaceArena_test_failing_to_enlarge_in_place_max_chunk_size_vm_Test ::TestBody() { |
| 362 | |
| 363 | if (Settings::use_allocation_guard()) { |
| 364 | return; |
| 365 | } |
| 366 | |
| 367 | MetaspaceGtestContext context; |
| 368 | |
| 369 | for (size_t first_allocation_size = 1; first_allocation_size <= MAX_CHUNK_WORD_SIZE / 2; first_allocation_size *= 2) { |
| 370 | |
| 371 | MetaspaceArenaTestHelper helper(context, Metaspace::StandardMetaspaceType, false); |
| 372 | |
| 373 | // we allocate first a small amount, then the full amount possible. |
| 374 | // The sum of first and second allocation should bring us above root chunk size. |
| 375 | // This should work, we should not see any problems, but no chunk enlargement should |
| 376 | // happen. |
| 377 | int n1 = metaspace::InternalStats::num_chunks_enlarged(); |
| 378 | |
| 379 | helper.allocate_from_arena_with_tests_expect_success(first_allocation_size); |
| 380 | EXPECT_EQ(helper.get_number_of_chunks(), 1)switch (0) case 0: default: if (const ::testing::AssertionResult gtest_ar = (::testing::internal:: EqHelper<(sizeof(::testing ::internal::IsNullLiteralHelper(helper.get_number_of_chunks() )) == 1)>::Compare("helper.get_number_of_chunks()", "1", helper .get_number_of_chunks(), 1))) ; else ::testing::internal::AssertHelper (::testing::TestPartResult::kNonFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 380, gtest_ar.failure_message()) = ::testing::Message(); |
| 381 | |
| 382 | helper.allocate_from_arena_with_tests_expect_success(MAX_CHUNK_WORD_SIZE - first_allocation_size + 1); |
| 383 | EXPECT_EQ(helper.get_number_of_chunks(), 2)switch (0) case 0: default: if (const ::testing::AssertionResult gtest_ar = (::testing::internal:: EqHelper<(sizeof(::testing ::internal::IsNullLiteralHelper(helper.get_number_of_chunks() )) == 1)>::Compare("helper.get_number_of_chunks()", "2", helper .get_number_of_chunks(), 2))) ; else ::testing::internal::AssertHelper (::testing::TestPartResult::kNonFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 383, gtest_ar.failure_message()) = ::testing::Message(); |
| 384 | |
| 385 | int times_chunk_were_enlarged = metaspace::InternalStats::num_chunks_enlarged() - n1; |
| 386 | LOG("chunk was enlarged %d times.", times_chunk_were_enlarged); |
| 387 | |
| 388 | EXPECT_0(times_chunk_were_enlarged)switch (0) case 0: default: if (const ::testing::AssertionResult gtest_ar = (::testing::internal:: EqHelper<(sizeof(::testing ::internal::IsNullLiteralHelper((intptr_t)0)) == 1)>::Compare ("(intptr_t)0", "(intptr_t)times_chunk_were_enlarged", (intptr_t )0, (intptr_t)times_chunk_were_enlarged))) ; else ::testing:: internal::AssertHelper(::testing::TestPartResult::kNonFatalFailure , "/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 388, gtest_ar.failure_message()) = ::testing::Message(); |
| 389 | |
| 390 | } |
| 391 | } |
| 392 | |
| 393 | // Regression test: Given a single MetaspaceArena, left undisturbed with place to grow, |
| 394 | // test that in place enlargement correctly fails if growing the chunk would cause more |
| 395 | // than doubling its size |
| 396 | TEST_VM(metaspace, MetaspaceArena_test_failing_to_enlarge_in_place_doubling_chunk_size)class metaspace_MetaspaceArena_test_failing_to_enlarge_in_place_doubling_chunk_size_vm_Test : public ::testing::Test { public: metaspace_MetaspaceArena_test_failing_to_enlarge_in_place_doubling_chunk_size_vm_Test () {} private: virtual void TestBody(); static ::testing::TestInfo * const test_info_ __attribute__ ((unused)); metaspace_MetaspaceArena_test_failing_to_enlarge_in_place_doubling_chunk_size_vm_Test (metaspace_MetaspaceArena_test_failing_to_enlarge_in_place_doubling_chunk_size_vm_Test const &) = delete; void operator=(metaspace_MetaspaceArena_test_failing_to_enlarge_in_place_doubling_chunk_size_vm_Test const &) = delete;};::testing::TestInfo* const metaspace_MetaspaceArena_test_failing_to_enlarge_in_place_doubling_chunk_size_vm_Test ::test_info_ = ::testing::internal::MakeAndRegisterTestInfo( "metaspace", "MetaspaceArena_test_failing_to_enlarge_in_place_doubling_chunk_size_vm" , __null, __null, ::testing::internal::CodeLocation("/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 396), (::testing::internal::GetTestTypeId()), ::testing::Test ::SetUpTestCase, ::testing::Test::TearDownTestCase, new ::testing ::internal::TestFactoryImpl< metaspace_MetaspaceArena_test_failing_to_enlarge_in_place_doubling_chunk_size_vm_Test >);void metaspace_MetaspaceArena_test_failing_to_enlarge_in_place_doubling_chunk_size_vm_Test ::TestBody() { |
| 397 | |
| 398 | if (Settings::use_allocation_guard()) { |
| 399 | return; |
| 400 | } |
| 401 | |
| 402 | MetaspaceGtestContext context; |
| 403 | MetaspaceArenaTestHelper helper(context, Metaspace::StandardMetaspaceType, false); |
| 404 | |
| 405 | int n1 = metaspace::InternalStats::num_chunks_enlarged(); |
| 406 | |
| 407 | helper.allocate_from_arena_with_tests_expect_success(1000); |
| 408 | EXPECT_EQ(helper.get_number_of_chunks(), 1)switch (0) case 0: default: if (const ::testing::AssertionResult gtest_ar = (::testing::internal:: EqHelper<(sizeof(::testing ::internal::IsNullLiteralHelper(helper.get_number_of_chunks() )) == 1)>::Compare("helper.get_number_of_chunks()", "1", helper .get_number_of_chunks(), 1))) ; else ::testing::internal::AssertHelper (::testing::TestPartResult::kNonFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 408, gtest_ar.failure_message()) = ::testing::Message(); |
| 409 | |
| 410 | helper.allocate_from_arena_with_tests_expect_success(4000); |
| 411 | EXPECT_EQ(helper.get_number_of_chunks(), 2)switch (0) case 0: default: if (const ::testing::AssertionResult gtest_ar = (::testing::internal:: EqHelper<(sizeof(::testing ::internal::IsNullLiteralHelper(helper.get_number_of_chunks() )) == 1)>::Compare("helper.get_number_of_chunks()", "2", helper .get_number_of_chunks(), 2))) ; else ::testing::internal::AssertHelper (::testing::TestPartResult::kNonFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 411, gtest_ar.failure_message()) = ::testing::Message(); |
| 412 | |
| 413 | int times_chunk_were_enlarged = metaspace::InternalStats::num_chunks_enlarged() - n1; |
| 414 | LOG("chunk was enlarged %d times.", times_chunk_were_enlarged); |
| 415 | |
| 416 | EXPECT_0(times_chunk_were_enlarged)switch (0) case 0: default: if (const ::testing::AssertionResult gtest_ar = (::testing::internal:: EqHelper<(sizeof(::testing ::internal::IsNullLiteralHelper((intptr_t)0)) == 1)>::Compare ("(intptr_t)0", "(intptr_t)times_chunk_were_enlarged", (intptr_t )0, (intptr_t)times_chunk_were_enlarged))) ; else ::testing:: internal::AssertHelper(::testing::TestPartResult::kNonFatalFailure , "/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 416, gtest_ar.failure_message()) = ::testing::Message(); |
| 417 | |
| 418 | } |
| 419 | |
| 420 | // Test the MetaspaceArenas' free block list: |
| 421 | // Allocate, deallocate, then allocate the same block again. The second allocate should |
| 422 | // reuse the deallocated block. |
| 423 | TEST_VM(metaspace, MetaspaceArena_deallocate)class metaspace_MetaspaceArena_deallocate_vm_Test : public :: testing::Test { public: metaspace_MetaspaceArena_deallocate_vm_Test () {} private: virtual void TestBody(); static ::testing::TestInfo * const test_info_ __attribute__ ((unused)); metaspace_MetaspaceArena_deallocate_vm_Test (metaspace_MetaspaceArena_deallocate_vm_Test const &) = delete ; void operator=(metaspace_MetaspaceArena_deallocate_vm_Test const &) = delete;};::testing::TestInfo* const metaspace_MetaspaceArena_deallocate_vm_Test ::test_info_ = ::testing::internal::MakeAndRegisterTestInfo( "metaspace", "MetaspaceArena_deallocate_vm", __null, __null, ::testing::internal::CodeLocation("/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 423), (::testing::internal::GetTestTypeId()), ::testing::Test ::SetUpTestCase, ::testing::Test::TearDownTestCase, new ::testing ::internal::TestFactoryImpl< metaspace_MetaspaceArena_deallocate_vm_Test >);void metaspace_MetaspaceArena_deallocate_vm_Test::TestBody () { |
| 424 | if (Settings::use_allocation_guard()) { |
| 425 | return; |
| 426 | } |
| 427 | for (size_t s = 2; s <= MAX_CHUNK_WORD_SIZE; s *= 2) { |
| 428 | MetaspaceGtestContext context; |
| 429 | MetaspaceArenaTestHelper helper(context, Metaspace::StandardMetaspaceType, false); |
| 430 | |
| 431 | MetaWord* p1 = NULL__null; |
| 432 | helper.allocate_from_arena_with_tests_expect_success(&p1, s); |
| 433 | |
| 434 | size_t used1 = 0, capacity1 = 0; |
| 435 | helper.usage_numbers_with_test(&used1, NULL__null, &capacity1); |
| 436 | ASSERT_EQ(used1, s)switch (0) case 0: default: if (const ::testing::AssertionResult gtest_ar = (::testing::internal:: EqHelper<(sizeof(::testing ::internal::IsNullLiteralHelper(used1)) == 1)>::Compare("used1" , "s", used1, s))) ; else return ::testing::internal::AssertHelper (::testing::TestPartResult::kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 436, gtest_ar.failure_message()) = ::testing::Message(); |
| 437 | |
| 438 | helper.deallocate_with_tests(p1, s); |
| 439 | |
| 440 | size_t used2 = 0, capacity2 = 0; |
| 441 | helper.usage_numbers_with_test(&used2, NULL__null, &capacity2); |
| 442 | ASSERT_EQ(used1, used2)switch (0) case 0: default: if (const ::testing::AssertionResult gtest_ar = (::testing::internal:: EqHelper<(sizeof(::testing ::internal::IsNullLiteralHelper(used1)) == 1)>::Compare("used1" , "used2", used1, used2))) ; else return ::testing::internal:: AssertHelper(::testing::TestPartResult::kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 442, gtest_ar.failure_message()) = ::testing::Message(); |
| 443 | ASSERT_EQ(capacity2, capacity2)switch (0) case 0: default: if (const ::testing::AssertionResult gtest_ar = (::testing::internal:: EqHelper<(sizeof(::testing ::internal::IsNullLiteralHelper(capacity2)) == 1)>::Compare ("capacity2", "capacity2", capacity2, capacity2))) ; else return ::testing::internal::AssertHelper(::testing::TestPartResult:: kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 443, gtest_ar.failure_message()) = ::testing::Message(); |
| 444 | |
| 445 | MetaWord* p2 = NULL__null; |
| 446 | helper.allocate_from_arena_with_tests_expect_success(&p2, s); |
| 447 | |
| 448 | size_t used3 = 0, capacity3 = 0; |
| 449 | helper.usage_numbers_with_test(&used3, NULL__null, &capacity3); |
| 450 | ASSERT_EQ(used3, used2)switch (0) case 0: default: if (const ::testing::AssertionResult gtest_ar = (::testing::internal:: EqHelper<(sizeof(::testing ::internal::IsNullLiteralHelper(used3)) == 1)>::Compare("used3" , "used2", used3, used2))) ; else return ::testing::internal:: AssertHelper(::testing::TestPartResult::kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 450, gtest_ar.failure_message()) = ::testing::Message(); |
| 451 | ASSERT_EQ(capacity3, capacity2)switch (0) case 0: default: if (const ::testing::AssertionResult gtest_ar = (::testing::internal:: EqHelper<(sizeof(::testing ::internal::IsNullLiteralHelper(capacity3)) == 1)>::Compare ("capacity3", "capacity2", capacity3, capacity2))) ; else return ::testing::internal::AssertHelper(::testing::TestPartResult:: kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 451, gtest_ar.failure_message()) = ::testing::Message(); |
| 452 | |
| 453 | // Actually, we should get the very same allocation back |
| 454 | ASSERT_EQ(p1, p2)switch (0) case 0: default: if (const ::testing::AssertionResult gtest_ar = (::testing::internal:: EqHelper<(sizeof(::testing ::internal::IsNullLiteralHelper(p1)) == 1)>::Compare("p1", "p2", p1, p2))) ; else return ::testing::internal::AssertHelper (::testing::TestPartResult::kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 454, gtest_ar.failure_message()) = ::testing::Message(); |
| 455 | } |
| 456 | } |
| 457 | |
| 458 | static void test_recover_from_commit_limit_hit() { |
| 459 | |
| 460 | if (Settings::new_chunks_are_fully_committed()) { |
| 461 | return; // This would throw off the commit counting in this test. |
| 462 | } |
| 463 | |
| 464 | // Test: |
| 465 | // - Multiple MetaspaceArena allocate (operating under the same commit limiter). |
| 466 | // - One, while attempting to commit parts of its current chunk on demand, |
| 467 | // triggers the limit and cannot commit its chunk further. |
| 468 | // - We release the other MetaspaceArena - its content is put back to the |
| 469 | // freelists. |
| 470 | // - We re-attempt allocation from the first manager. It should now succeed. |
| 471 | // |
| 472 | // This means if the first MetaspaceArena may have to let go of its current chunk and |
| 473 | // retire it and take a fresh chunk from the freelist. |
| 474 | |
| 475 | const size_t commit_limit = Settings::commit_granule_words() * 10; |
| 476 | MetaspaceGtestContext context(commit_limit); |
| 477 | |
| 478 | // The first MetaspaceArena mimicks a micro loader. This will fill the free |
| 479 | // chunk list with very small chunks. We allocate from them in an interleaved |
| 480 | // way to cause fragmentation. |
| 481 | MetaspaceArenaTestHelper helper1(context, Metaspace::ReflectionMetaspaceType, false); |
| 482 | MetaspaceArenaTestHelper helper2(context, Metaspace::ReflectionMetaspaceType, false); |
| 483 | |
| 484 | // This MetaspaceArena should hit the limit. We use BootMetaspaceType here since |
| 485 | // it gets a large initial chunk which is committed |
| 486 | // on demand and we are likely to hit a commit limit while trying to expand it. |
| 487 | MetaspaceArenaTestHelper helper3(context, Metaspace::BootMetaspaceType, false); |
| 488 | |
| 489 | // Allocate space until we have below two but above one granule left |
| 490 | size_t allocated_from_1_and_2 = 0; |
| 491 | while (context.commit_limiter().possible_expansion_words() >= Settings::commit_granule_words() * 2 && |
| 492 | allocated_from_1_and_2 < commit_limit) { |
| 493 | helper1.allocate_from_arena_with_tests_expect_success(1); |
| 494 | helper2.allocate_from_arena_with_tests_expect_success(1); |
| 495 | allocated_from_1_and_2 += 2; |
| 496 | } |
| 497 | |
| 498 | // Now, allocating from helper3, creep up on the limit |
| 499 | size_t allocated_from_3 = 0; |
| 500 | MetaWord* p = NULL__null; |
| 501 | while ( (helper3.allocate_from_arena_with_tests(&p, 1), p != NULL__null) && |
| 502 | ++allocated_from_3 < Settings::commit_granule_words() * 2); |
| 503 | |
| 504 | EXPECT_LE(allocated_from_3, Settings::commit_granule_words() * 2)switch (0) case 0: default: if (const ::testing::AssertionResult gtest_ar = (::testing::internal::CmpHelperLE("allocated_from_3" , "Settings::commit_granule_words() * 2", allocated_from_3, Settings ::commit_granule_words() * 2))) ; else ::testing::internal::AssertHelper (::testing::TestPartResult::kNonFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 504, gtest_ar.failure_message()) = ::testing::Message(); |
| 505 | |
| 506 | // We expect the freelist to be empty of committed space... |
| 507 | EXPECT_0(context.cm().calc_committed_word_size())switch (0) case 0: default: if (const ::testing::AssertionResult gtest_ar = (::testing::internal:: EqHelper<(sizeof(::testing ::internal::IsNullLiteralHelper((intptr_t)0)) == 1)>::Compare ("(intptr_t)0", "(intptr_t)context.cm().calc_committed_word_size()" , (intptr_t)0, (intptr_t)context.cm().calc_committed_word_size ()))) ; else ::testing::internal::AssertHelper(::testing::TestPartResult ::kNonFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 507, gtest_ar.failure_message()) = ::testing::Message(); |
| 508 | |
| 509 | //msthelper.cm().print_on(tty); |
| 510 | |
| 511 | // Release the first MetaspaceArena. |
| 512 | helper1.delete_arena_with_tests(); |
| 513 | |
| 514 | //msthelper.cm().print_on(tty); |
| 515 | |
| 516 | // Should have populated the freelist with committed space |
| 517 | // We expect the freelist to be empty of committed space... |
| 518 | EXPECT_GT(context.cm().calc_committed_word_size(), (size_t)0)switch (0) case 0: default: if (const ::testing::AssertionResult gtest_ar = (::testing::internal::CmpHelperGT("context.cm().calc_committed_word_size()" , "(size_t)0", context.cm().calc_committed_word_size(), (size_t )0))) ; else ::testing::internal::AssertHelper(::testing::TestPartResult ::kNonFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 518, gtest_ar.failure_message()) = ::testing::Message(); |
| 519 | |
| 520 | // Repeat allocation from helper3, should now work. |
| 521 | helper3.allocate_from_arena_with_tests_expect_success(1); |
| 522 | |
| 523 | } |
| 524 | |
| 525 | TEST_VM(metaspace, MetaspaceArena_recover_from_limit_hit)class metaspace_MetaspaceArena_recover_from_limit_hit_vm_Test : public ::testing::Test { public: metaspace_MetaspaceArena_recover_from_limit_hit_vm_Test () {} private: virtual void TestBody(); static ::testing::TestInfo * const test_info_ __attribute__ ((unused)); metaspace_MetaspaceArena_recover_from_limit_hit_vm_Test (metaspace_MetaspaceArena_recover_from_limit_hit_vm_Test const &) = delete; void operator=(metaspace_MetaspaceArena_recover_from_limit_hit_vm_Test const &) = delete;};::testing::TestInfo* const metaspace_MetaspaceArena_recover_from_limit_hit_vm_Test ::test_info_ = ::testing::internal::MakeAndRegisterTestInfo( "metaspace", "MetaspaceArena_recover_from_limit_hit_vm", __null , __null, ::testing::internal::CodeLocation("/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 525), (::testing::internal::GetTestTypeId()), ::testing::Test ::SetUpTestCase, ::testing::Test::TearDownTestCase, new ::testing ::internal::TestFactoryImpl< metaspace_MetaspaceArena_recover_from_limit_hit_vm_Test >);void metaspace_MetaspaceArena_recover_from_limit_hit_vm_Test ::TestBody() { |
| 526 | test_recover_from_commit_limit_hit(); |
| 527 | } |
| 528 | |
| 529 | static void test_controlled_growth(Metaspace::MetaspaceType type, bool is_class, |
| 530 | size_t expected_starting_capacity, |
| 531 | bool test_in_place_enlargement) |
| 532 | { |
| 533 | |
| 534 | if (Settings::use_allocation_guard()) { |
| 535 | return; |
| 536 | } |
| 537 | |
| 538 | // From a MetaspaceArena in a clean room allocate tiny amounts; |
| 539 | // watch it grow. Used/committed/capacity should not grow in |
| 540 | // large jumps. Also, different types of MetaspaceArena should |
| 541 | // have different initial capacities. |
| 542 | |
| 543 | MetaspaceGtestContext context; |
| 544 | MetaspaceArenaTestHelper smhelper(context, type, is_class, "Grower"); |
| 545 | |
| 546 | MetaspaceArenaTestHelper smhelper_harrasser(context, Metaspace::ReflectionMetaspaceType, true, "Harasser"); |
| 547 | |
| 548 | size_t used = 0, committed = 0, capacity = 0; |
| 549 | const size_t alloc_words = 16; |
| 550 | |
| 551 | smhelper.arena()->usage_numbers(&used, &committed, &capacity); |
| 552 | ASSERT_0(used)switch (0) case 0: default: if (const ::testing::AssertionResult gtest_ar = (::testing::internal:: EqHelper<(sizeof(::testing ::internal::IsNullLiteralHelper((intptr_t)0)) == 1)>::Compare ("(intptr_t)0", "(intptr_t)used", (intptr_t)0, (intptr_t)used ))) ; else return ::testing::internal::AssertHelper(::testing ::TestPartResult::kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 552, gtest_ar.failure_message()) = ::testing::Message(); |
| 553 | ASSERT_0(committed)switch (0) case 0: default: if (const ::testing::AssertionResult gtest_ar = (::testing::internal:: EqHelper<(sizeof(::testing ::internal::IsNullLiteralHelper((intptr_t)0)) == 1)>::Compare ("(intptr_t)0", "(intptr_t)committed", (intptr_t)0, (intptr_t )committed))) ; else return ::testing::internal::AssertHelper (::testing::TestPartResult::kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 553, gtest_ar.failure_message()) = ::testing::Message(); |
| 554 | ASSERT_0(capacity)switch (0) case 0: default: if (const ::testing::AssertionResult gtest_ar = (::testing::internal:: EqHelper<(sizeof(::testing ::internal::IsNullLiteralHelper((intptr_t)0)) == 1)>::Compare ("(intptr_t)0", "(intptr_t)capacity", (intptr_t)0, (intptr_t) capacity))) ; else return ::testing::internal::AssertHelper(:: testing::TestPartResult::kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 554, gtest_ar.failure_message()) = ::testing::Message(); |
| 555 | |
| 556 | ///// First allocation // |
| 557 | |
| 558 | smhelper.allocate_from_arena_with_tests_expect_success(alloc_words); |
| 559 | |
| 560 | smhelper.arena()->usage_numbers(&used, &committed, &capacity); |
| 561 | |
| 562 | ASSERT_EQ(used, alloc_words)switch (0) case 0: default: if (const ::testing::AssertionResult gtest_ar = (::testing::internal:: EqHelper<(sizeof(::testing ::internal::IsNullLiteralHelper(used)) == 1)>::Compare("used" , "alloc_words", used, alloc_words))) ; else return ::testing ::internal::AssertHelper(::testing::TestPartResult::kFatalFailure , "/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 562, gtest_ar.failure_message()) = ::testing::Message(); |
| 563 | ASSERT_GE(committed, used)switch (0) case 0: default: if (const ::testing::AssertionResult gtest_ar = (::testing::internal::CmpHelperGE("committed", "used" , committed, used))) ; else return ::testing::internal::AssertHelper (::testing::TestPartResult::kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 563, gtest_ar.failure_message()) = ::testing::Message(); |
| 564 | ASSERT_GE(capacity, committed)switch (0) case 0: default: if (const ::testing::AssertionResult gtest_ar = (::testing::internal::CmpHelperGE("capacity", "committed" , capacity, committed))) ; else return ::testing::internal::AssertHelper (::testing::TestPartResult::kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 564, gtest_ar.failure_message()) = ::testing::Message(); |
| 565 | |
| 566 | ASSERT_EQ(capacity, expected_starting_capacity)switch (0) case 0: default: if (const ::testing::AssertionResult gtest_ar = (::testing::internal:: EqHelper<(sizeof(::testing ::internal::IsNullLiteralHelper(capacity)) == 1)>::Compare ("capacity", "expected_starting_capacity", capacity, expected_starting_capacity ))) ; else return ::testing::internal::AssertHelper(::testing ::TestPartResult::kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 566, gtest_ar.failure_message()) = ::testing::Message(); |
| 567 | |
| 568 | if (!(Settings::new_chunks_are_fully_committed() && type == Metaspace::BootMetaspaceType)) { |
| 569 | // Initial commit charge for the whole context should be one granule |
| 570 | ASSERT_EQ(context.committed_words(), Settings::commit_granule_words())switch (0) case 0: default: if (const ::testing::AssertionResult gtest_ar = (::testing::internal:: EqHelper<(sizeof(::testing ::internal::IsNullLiteralHelper(context.committed_words())) == 1)>::Compare("context.committed_words()", "Settings::commit_granule_words()" , context.committed_words(), Settings::commit_granule_words() ))) ; else return ::testing::internal::AssertHelper(::testing ::TestPartResult::kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 570, gtest_ar.failure_message()) = ::testing::Message(); |
| 571 | // Initial commit number for the arena should be less since - apart from boot loader - no |
| 572 | // space type has large initial chunks. |
| 573 | ASSERT_LE(committed, Settings::commit_granule_words())switch (0) case 0: default: if (const ::testing::AssertionResult gtest_ar = (::testing::internal::CmpHelperLE("committed", "Settings::commit_granule_words()" , committed, Settings::commit_granule_words()))) ; else return ::testing::internal::AssertHelper(::testing::TestPartResult:: kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 573, gtest_ar.failure_message()) = ::testing::Message(); |
| 574 | } |
| 575 | |
| 576 | ///// subsequent allocations // |
| 577 | |
| 578 | DEBUG_ONLY(const uintx num_chunk_enlarged = metaspace::InternalStats::num_chunks_enlarged();)const uintx num_chunk_enlarged = metaspace::InternalStats::num_chunks_enlarged (); |
| 579 | |
| 580 | size_t words_allocated = 0; |
| 581 | int num_allocated = 0; |
| 582 | const size_t safety = MAX_CHUNK_WORD_SIZE * 1.2; |
| 583 | size_t highest_capacity_jump = capacity; |
| 584 | int num_capacity_jumps = 0; |
| 585 | |
| 586 | while (words_allocated < safety && num_capacity_jumps < 15) { |
| 587 | |
| 588 | // if we want to test growth with in-place chunk enlargement, leave MetaspaceArena |
| 589 | // undisturbed; it will have all the place to grow. Otherwise allocate from a little |
| 590 | // side arena to increase fragmentation. |
| 591 | // (Note that this does not completely prevent in-place chunk enlargement but makes it |
| 592 | // rather improbable) |
| 593 | if (!test_in_place_enlargement) { |
| 594 | smhelper_harrasser.allocate_from_arena_with_tests_expect_success(alloc_words * 2); |
| 595 | } |
| 596 | |
| 597 | smhelper.allocate_from_arena_with_tests_expect_success(alloc_words); |
| 598 | words_allocated += metaspace::get_raw_word_size_for_requested_word_size(alloc_words); |
| 599 | num_allocated++; |
| 600 | |
| 601 | size_t used2 = 0, committed2 = 0, capacity2 = 0; |
| 602 | |
| 603 | smhelper.arena()->usage_numbers(&used2, &committed2, &capacity2); |
| 604 | |
| 605 | // used should not grow larger than what we allocated, plus possible overhead. |
| 606 | ASSERT_GE(used2, used)switch (0) case 0: default: if (const ::testing::AssertionResult gtest_ar = (::testing::internal::CmpHelperGE("used2", "used" , used2, used))) ; else return ::testing::internal::AssertHelper (::testing::TestPartResult::kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 606, gtest_ar.failure_message()) = ::testing::Message(); |
| 607 | ASSERT_LE(used2, used + alloc_words * 2)switch (0) case 0: default: if (const ::testing::AssertionResult gtest_ar = (::testing::internal::CmpHelperLE("used2", "used + alloc_words * 2" , used2, used + alloc_words * 2))) ; else return ::testing::internal ::AssertHelper(::testing::TestPartResult::kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 607, gtest_ar.failure_message()) = ::testing::Message(); |
| 608 | ASSERT_LE(used2, words_allocated + 100)switch (0) case 0: default: if (const ::testing::AssertionResult gtest_ar = (::testing::internal::CmpHelperLE("used2", "words_allocated + 100" , used2, words_allocated + 100))) ; else return ::testing::internal ::AssertHelper(::testing::TestPartResult::kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 608, gtest_ar.failure_message()) = ::testing::Message(); |
| 609 | used = used2; |
| 610 | |
| 611 | // A jump in committed words should not be larger than commit granule size. |
| 612 | // It can be smaller, since the current chunk of the MetaspaceArena may be |
| 613 | // smaller than a commit granule. |
| 614 | // (Note: unless root chunks are born fully committed) |
| 615 | ASSERT_GE(committed2, used2)switch (0) case 0: default: if (const ::testing::AssertionResult gtest_ar = (::testing::internal::CmpHelperGE("committed2", "used2" , committed2, used2))) ; else return ::testing::internal::AssertHelper (::testing::TestPartResult::kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 615, gtest_ar.failure_message()) = ::testing::Message(); |
| 616 | ASSERT_GE(committed2, committed)switch (0) case 0: default: if (const ::testing::AssertionResult gtest_ar = (::testing::internal::CmpHelperGE("committed2", "committed" , committed2, committed))) ; else return ::testing::internal:: AssertHelper(::testing::TestPartResult::kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 616, gtest_ar.failure_message()) = ::testing::Message(); |
| 617 | const size_t committed_jump = committed2 - committed; |
| 618 | if (committed_jump > 0 && !Settings::new_chunks_are_fully_committed()) { |
| 619 | ASSERT_LE(committed_jump, Settings::commit_granule_words())switch (0) case 0: default: if (const ::testing::AssertionResult gtest_ar = (::testing::internal::CmpHelperLE("committed_jump" , "Settings::commit_granule_words()", committed_jump, Settings ::commit_granule_words()))) ; else return ::testing::internal ::AssertHelper(::testing::TestPartResult::kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 619, gtest_ar.failure_message()) = ::testing::Message(); |
| 620 | } |
| 621 | committed = committed2; |
| 622 | |
| 623 | // Capacity jumps: Test that arenas capacity does not grow too fast. |
| 624 | ASSERT_GE(capacity2, committed2)switch (0) case 0: default: if (const ::testing::AssertionResult gtest_ar = (::testing::internal::CmpHelperGE("capacity2", "committed2" , capacity2, committed2))) ; else return ::testing::internal:: AssertHelper(::testing::TestPartResult::kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 624, gtest_ar.failure_message()) = ::testing::Message(); |
| 625 | ASSERT_GE(capacity2, capacity)switch (0) case 0: default: if (const ::testing::AssertionResult gtest_ar = (::testing::internal::CmpHelperGE("capacity2", "capacity" , capacity2, capacity))) ; else return ::testing::internal::AssertHelper (::testing::TestPartResult::kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 625, gtest_ar.failure_message()) = ::testing::Message(); |
| 626 | const size_t capacity_jump = capacity2 - capacity; |
| 627 | if (capacity_jump > 0) { |
| 628 | LOG(">" SIZE_FORMAT "->" SIZE_FORMAT "(+" SIZE_FORMAT ")", capacity, capacity2, capacity_jump) |
| 629 | if (capacity_jump > highest_capacity_jump) { |
| 630 | /* Disabled for now since this is rather shaky. The way it is tested makes it too dependent |
| 631 | * on allocation history. Need to rethink this. |
| 632 | ASSERT_LE(capacity_jump, highest_capacity_jump * 2); |
| 633 | ASSERT_GE(capacity_jump, MIN_CHUNK_WORD_SIZE); |
| 634 | ASSERT_LE(capacity_jump, MAX_CHUNK_WORD_SIZE); |
| 635 | */ |
| 636 | highest_capacity_jump = capacity_jump; |
| 637 | } |
| 638 | num_capacity_jumps++; |
| 639 | } |
| 640 | |
| 641 | capacity = capacity2; |
| 642 | |
| 643 | } |
| 644 | |
| 645 | // After all this work, we should see an increase in number of chunk-in-place-enlargements |
| 646 | // (this especially is vulnerable to regression: the decisions of when to do in-place-enlargements are somewhat |
| 647 | // complicated, see MetaspaceArena::attempt_enlarge_current_chunk()) |
| 648 | #ifdef ASSERT1 |
| 649 | if (test_in_place_enlargement) { |
| 650 | const uintx num_chunk_enlarged_2 = metaspace::InternalStats::num_chunks_enlarged(); |
| 651 | ASSERT_GT(num_chunk_enlarged_2, num_chunk_enlarged)switch (0) case 0: default: if (const ::testing::AssertionResult gtest_ar = (::testing::internal::CmpHelperGT("num_chunk_enlarged_2" , "num_chunk_enlarged", num_chunk_enlarged_2, num_chunk_enlarged ))) ; else return ::testing::internal::AssertHelper(::testing ::TestPartResult::kFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 651, gtest_ar.failure_message()) = ::testing::Message(); |
| 652 | } |
| 653 | #endif |
| 654 | } |
| 655 | |
| 656 | // these numbers have to be in sync with arena policy numbers (see memory/metaspace/arenaGrowthPolicy.cpp) |
| 657 | TEST_VM(metaspace, MetaspaceArena_growth_refl_c_inplace)class metaspace_MetaspaceArena_growth_refl_c_inplace_vm_Test : public ::testing::Test { public: metaspace_MetaspaceArena_growth_refl_c_inplace_vm_Test () {} private: virtual void TestBody(); static ::testing::TestInfo * const test_info_ __attribute__ ((unused)); metaspace_MetaspaceArena_growth_refl_c_inplace_vm_Test (metaspace_MetaspaceArena_growth_refl_c_inplace_vm_Test const &) = delete; void operator=(metaspace_MetaspaceArena_growth_refl_c_inplace_vm_Test const &) = delete;};::testing::TestInfo* const metaspace_MetaspaceArena_growth_refl_c_inplace_vm_Test ::test_info_ = ::testing::internal::MakeAndRegisterTestInfo( "metaspace", "MetaspaceArena_growth_refl_c_inplace_vm", __null , __null, ::testing::internal::CodeLocation("/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 657), (::testing::internal::GetTestTypeId()), ::testing::Test ::SetUpTestCase, ::testing::Test::TearDownTestCase, new ::testing ::internal::TestFactoryImpl< metaspace_MetaspaceArena_growth_refl_c_inplace_vm_Test >);void metaspace_MetaspaceArena_growth_refl_c_inplace_vm_Test ::TestBody() { |
| 658 | test_controlled_growth(Metaspace::ReflectionMetaspaceType, true, |
| 659 | word_size_for_level(CHUNK_LEVEL_1K), true); |
| 660 | } |
| 661 | |
| 662 | TEST_VM(metaspace, MetaspaceArena_growth_refl_c_not_inplace)class metaspace_MetaspaceArena_growth_refl_c_not_inplace_vm_Test : public ::testing::Test { public: metaspace_MetaspaceArena_growth_refl_c_not_inplace_vm_Test () {} private: virtual void TestBody(); static ::testing::TestInfo * const test_info_ __attribute__ ((unused)); metaspace_MetaspaceArena_growth_refl_c_not_inplace_vm_Test (metaspace_MetaspaceArena_growth_refl_c_not_inplace_vm_Test const &) = delete; void operator=(metaspace_MetaspaceArena_growth_refl_c_not_inplace_vm_Test const &) = delete;};::testing::TestInfo* const metaspace_MetaspaceArena_growth_refl_c_not_inplace_vm_Test ::test_info_ = ::testing::internal::MakeAndRegisterTestInfo( "metaspace", "MetaspaceArena_growth_refl_c_not_inplace_vm", __null , __null, ::testing::internal::CodeLocation("/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 662), (::testing::internal::GetTestTypeId()), ::testing::Test ::SetUpTestCase, ::testing::Test::TearDownTestCase, new ::testing ::internal::TestFactoryImpl< metaspace_MetaspaceArena_growth_refl_c_not_inplace_vm_Test >);void metaspace_MetaspaceArena_growth_refl_c_not_inplace_vm_Test ::TestBody() { |
| 663 | test_controlled_growth(Metaspace::ReflectionMetaspaceType, true, |
| 664 | word_size_for_level(CHUNK_LEVEL_1K), false); |
| 665 | } |
| 666 | |
| 667 | TEST_VM(metaspace, MetaspaceArena_growth_anon_c_inplace)class metaspace_MetaspaceArena_growth_anon_c_inplace_vm_Test : public ::testing::Test { public: metaspace_MetaspaceArena_growth_anon_c_inplace_vm_Test () {} private: virtual void TestBody(); static ::testing::TestInfo * const test_info_ __attribute__ ((unused)); metaspace_MetaspaceArena_growth_anon_c_inplace_vm_Test (metaspace_MetaspaceArena_growth_anon_c_inplace_vm_Test const &) = delete; void operator=(metaspace_MetaspaceArena_growth_anon_c_inplace_vm_Test const &) = delete;};::testing::TestInfo* const metaspace_MetaspaceArena_growth_anon_c_inplace_vm_Test ::test_info_ = ::testing::internal::MakeAndRegisterTestInfo( "metaspace", "MetaspaceArena_growth_anon_c_inplace_vm", __null , __null, ::testing::internal::CodeLocation("/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 667), (::testing::internal::GetTestTypeId()), ::testing::Test ::SetUpTestCase, ::testing::Test::TearDownTestCase, new ::testing ::internal::TestFactoryImpl< metaspace_MetaspaceArena_growth_anon_c_inplace_vm_Test >);void metaspace_MetaspaceArena_growth_anon_c_inplace_vm_Test ::TestBody() { |
| 668 | test_controlled_growth(Metaspace::ClassMirrorHolderMetaspaceType, true, |
| 669 | word_size_for_level(CHUNK_LEVEL_1K), true); |
| 670 | } |
| 671 | |
| 672 | TEST_VM(metaspace, MetaspaceArena_growth_anon_c_not_inplace)class metaspace_MetaspaceArena_growth_anon_c_not_inplace_vm_Test : public ::testing::Test { public: metaspace_MetaspaceArena_growth_anon_c_not_inplace_vm_Test () {} private: virtual void TestBody(); static ::testing::TestInfo * const test_info_ __attribute__ ((unused)); metaspace_MetaspaceArena_growth_anon_c_not_inplace_vm_Test (metaspace_MetaspaceArena_growth_anon_c_not_inplace_vm_Test const &) = delete; void operator=(metaspace_MetaspaceArena_growth_anon_c_not_inplace_vm_Test const &) = delete;};::testing::TestInfo* const metaspace_MetaspaceArena_growth_anon_c_not_inplace_vm_Test ::test_info_ = ::testing::internal::MakeAndRegisterTestInfo( "metaspace", "MetaspaceArena_growth_anon_c_not_inplace_vm", __null , __null, ::testing::internal::CodeLocation("/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 672), (::testing::internal::GetTestTypeId()), ::testing::Test ::SetUpTestCase, ::testing::Test::TearDownTestCase, new ::testing ::internal::TestFactoryImpl< metaspace_MetaspaceArena_growth_anon_c_not_inplace_vm_Test >);void metaspace_MetaspaceArena_growth_anon_c_not_inplace_vm_Test ::TestBody() { |
| 673 | test_controlled_growth(Metaspace::ClassMirrorHolderMetaspaceType, true, |
| 674 | word_size_for_level(CHUNK_LEVEL_1K), false); |
| 675 | } |
| 676 | |
| 677 | TEST_VM(metaspace, MetaspaceArena_growth_standard_c_inplace)class metaspace_MetaspaceArena_growth_standard_c_inplace_vm_Test : public ::testing::Test { public: metaspace_MetaspaceArena_growth_standard_c_inplace_vm_Test () {} private: virtual void TestBody(); static ::testing::TestInfo * const test_info_ __attribute__ ((unused)); metaspace_MetaspaceArena_growth_standard_c_inplace_vm_Test (metaspace_MetaspaceArena_growth_standard_c_inplace_vm_Test const &) = delete; void operator=(metaspace_MetaspaceArena_growth_standard_c_inplace_vm_Test const &) = delete;};::testing::TestInfo* const metaspace_MetaspaceArena_growth_standard_c_inplace_vm_Test ::test_info_ = ::testing::internal::MakeAndRegisterTestInfo( "metaspace", "MetaspaceArena_growth_standard_c_inplace_vm", __null , __null, ::testing::internal::CodeLocation("/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 677), (::testing::internal::GetTestTypeId()), ::testing::Test ::SetUpTestCase, ::testing::Test::TearDownTestCase, new ::testing ::internal::TestFactoryImpl< metaspace_MetaspaceArena_growth_standard_c_inplace_vm_Test >);void metaspace_MetaspaceArena_growth_standard_c_inplace_vm_Test ::TestBody() { |
| 678 | test_controlled_growth(Metaspace::StandardMetaspaceType, true, |
| 679 | word_size_for_level(CHUNK_LEVEL_2K), true); |
| 680 | } |
| 681 | |
| 682 | TEST_VM(metaspace, MetaspaceArena_growth_standard_c_not_inplace)class metaspace_MetaspaceArena_growth_standard_c_not_inplace_vm_Test : public ::testing::Test { public: metaspace_MetaspaceArena_growth_standard_c_not_inplace_vm_Test () {} private: virtual void TestBody(); static ::testing::TestInfo * const test_info_ __attribute__ ((unused)); metaspace_MetaspaceArena_growth_standard_c_not_inplace_vm_Test (metaspace_MetaspaceArena_growth_standard_c_not_inplace_vm_Test const &) = delete; void operator=(metaspace_MetaspaceArena_growth_standard_c_not_inplace_vm_Test const &) = delete;};::testing::TestInfo* const metaspace_MetaspaceArena_growth_standard_c_not_inplace_vm_Test ::test_info_ = ::testing::internal::MakeAndRegisterTestInfo( "metaspace", "MetaspaceArena_growth_standard_c_not_inplace_vm" , __null, __null, ::testing::internal::CodeLocation("/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 682), (::testing::internal::GetTestTypeId()), ::testing::Test ::SetUpTestCase, ::testing::Test::TearDownTestCase, new ::testing ::internal::TestFactoryImpl< metaspace_MetaspaceArena_growth_standard_c_not_inplace_vm_Test >);void metaspace_MetaspaceArena_growth_standard_c_not_inplace_vm_Test ::TestBody() { |
| 683 | test_controlled_growth(Metaspace::StandardMetaspaceType, true, |
| 684 | word_size_for_level(CHUNK_LEVEL_2K), false); |
| 685 | } |
| 686 | |
| 687 | /* Disabled growth tests for BootMetaspaceType: there, the growth steps are too rare, |
| 688 | * and too large, to make any reliable guess as toward chunks get enlarged in place. |
| 689 | TEST_VM(metaspace, MetaspaceArena_growth_boot_c_inplace) { |
| 690 | test_controlled_growth(Metaspace::BootMetaspaceType, true, |
| 691 | word_size_for_level(CHUNK_LEVEL_1M), true); |
| 692 | } |
| 693 | |
| 694 | TEST_VM(metaspace, MetaspaceArena_growth_boot_c_not_inplace) { |
| 695 | test_controlled_growth(Metaspace::BootMetaspaceType, true, |
| 696 | word_size_for_level(CHUNK_LEVEL_1M), false); |
| 697 | } |
| 698 | */ |
| 699 | |
| 700 | TEST_VM(metaspace, MetaspaceArena_growth_refl_nc_inplace)class metaspace_MetaspaceArena_growth_refl_nc_inplace_vm_Test : public ::testing::Test { public: metaspace_MetaspaceArena_growth_refl_nc_inplace_vm_Test () {} private: virtual void TestBody(); static ::testing::TestInfo * const test_info_ __attribute__ ((unused)); metaspace_MetaspaceArena_growth_refl_nc_inplace_vm_Test (metaspace_MetaspaceArena_growth_refl_nc_inplace_vm_Test const &) = delete; void operator=(metaspace_MetaspaceArena_growth_refl_nc_inplace_vm_Test const &) = delete;};::testing::TestInfo* const metaspace_MetaspaceArena_growth_refl_nc_inplace_vm_Test ::test_info_ = ::testing::internal::MakeAndRegisterTestInfo( "metaspace", "MetaspaceArena_growth_refl_nc_inplace_vm", __null , __null, ::testing::internal::CodeLocation("/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 700), (::testing::internal::GetTestTypeId()), ::testing::Test ::SetUpTestCase, ::testing::Test::TearDownTestCase, new ::testing ::internal::TestFactoryImpl< metaspace_MetaspaceArena_growth_refl_nc_inplace_vm_Test >);void metaspace_MetaspaceArena_growth_refl_nc_inplace_vm_Test ::TestBody() { |
| 701 | test_controlled_growth(Metaspace::ReflectionMetaspaceType, false, |
| 702 | word_size_for_level(CHUNK_LEVEL_2K), true); |
| 703 | } |
| 704 | |
| 705 | TEST_VM(metaspace, MetaspaceArena_growth_refl_nc_not_inplace)class metaspace_MetaspaceArena_growth_refl_nc_not_inplace_vm_Test : public ::testing::Test { public: metaspace_MetaspaceArena_growth_refl_nc_not_inplace_vm_Test () {} private: virtual void TestBody(); static ::testing::TestInfo * const test_info_ __attribute__ ((unused)); metaspace_MetaspaceArena_growth_refl_nc_not_inplace_vm_Test (metaspace_MetaspaceArena_growth_refl_nc_not_inplace_vm_Test const &) = delete; void operator=(metaspace_MetaspaceArena_growth_refl_nc_not_inplace_vm_Test const &) = delete;};::testing::TestInfo* const metaspace_MetaspaceArena_growth_refl_nc_not_inplace_vm_Test ::test_info_ = ::testing::internal::MakeAndRegisterTestInfo( "metaspace", "MetaspaceArena_growth_refl_nc_not_inplace_vm", __null, __null, ::testing::internal::CodeLocation("/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 705), (::testing::internal::GetTestTypeId()), ::testing::Test ::SetUpTestCase, ::testing::Test::TearDownTestCase, new ::testing ::internal::TestFactoryImpl< metaspace_MetaspaceArena_growth_refl_nc_not_inplace_vm_Test >);void metaspace_MetaspaceArena_growth_refl_nc_not_inplace_vm_Test ::TestBody() { |
| 706 | test_controlled_growth(Metaspace::ReflectionMetaspaceType, false, |
| 707 | word_size_for_level(CHUNK_LEVEL_2K), false); |
| 708 | } |
| 709 | |
| 710 | TEST_VM(metaspace, MetaspaceArena_growth_anon_nc_inplace)class metaspace_MetaspaceArena_growth_anon_nc_inplace_vm_Test : public ::testing::Test { public: metaspace_MetaspaceArena_growth_anon_nc_inplace_vm_Test () {} private: virtual void TestBody(); static ::testing::TestInfo * const test_info_ __attribute__ ((unused)); metaspace_MetaspaceArena_growth_anon_nc_inplace_vm_Test (metaspace_MetaspaceArena_growth_anon_nc_inplace_vm_Test const &) = delete; void operator=(metaspace_MetaspaceArena_growth_anon_nc_inplace_vm_Test const &) = delete;};::testing::TestInfo* const metaspace_MetaspaceArena_growth_anon_nc_inplace_vm_Test ::test_info_ = ::testing::internal::MakeAndRegisterTestInfo( "metaspace", "MetaspaceArena_growth_anon_nc_inplace_vm", __null , __null, ::testing::internal::CodeLocation("/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 710), (::testing::internal::GetTestTypeId()), ::testing::Test ::SetUpTestCase, ::testing::Test::TearDownTestCase, new ::testing ::internal::TestFactoryImpl< metaspace_MetaspaceArena_growth_anon_nc_inplace_vm_Test >);void metaspace_MetaspaceArena_growth_anon_nc_inplace_vm_Test ::TestBody() { |
| 711 | test_controlled_growth(Metaspace::ClassMirrorHolderMetaspaceType, false, |
| 712 | word_size_for_level(CHUNK_LEVEL_1K), true); |
| 713 | } |
| 714 | |
| 715 | TEST_VM(metaspace, MetaspaceArena_growth_anon_nc_not_inplace)class metaspace_MetaspaceArena_growth_anon_nc_not_inplace_vm_Test : public ::testing::Test { public: metaspace_MetaspaceArena_growth_anon_nc_not_inplace_vm_Test () {} private: virtual void TestBody(); static ::testing::TestInfo * const test_info_ __attribute__ ((unused)); metaspace_MetaspaceArena_growth_anon_nc_not_inplace_vm_Test (metaspace_MetaspaceArena_growth_anon_nc_not_inplace_vm_Test const &) = delete; void operator=(metaspace_MetaspaceArena_growth_anon_nc_not_inplace_vm_Test const &) = delete;};::testing::TestInfo* const metaspace_MetaspaceArena_growth_anon_nc_not_inplace_vm_Test ::test_info_ = ::testing::internal::MakeAndRegisterTestInfo( "metaspace", "MetaspaceArena_growth_anon_nc_not_inplace_vm", __null, __null, ::testing::internal::CodeLocation("/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 715), (::testing::internal::GetTestTypeId()), ::testing::Test ::SetUpTestCase, ::testing::Test::TearDownTestCase, new ::testing ::internal::TestFactoryImpl< metaspace_MetaspaceArena_growth_anon_nc_not_inplace_vm_Test >);void metaspace_MetaspaceArena_growth_anon_nc_not_inplace_vm_Test ::TestBody() { |
| 716 | test_controlled_growth(Metaspace::ClassMirrorHolderMetaspaceType, false, |
| 717 | word_size_for_level(CHUNK_LEVEL_1K), false); |
| 718 | } |
| 719 | |
| 720 | TEST_VM(metaspace, MetaspaceArena_growth_standard_nc_inplace)class metaspace_MetaspaceArena_growth_standard_nc_inplace_vm_Test : public ::testing::Test { public: metaspace_MetaspaceArena_growth_standard_nc_inplace_vm_Test () {} private: virtual void TestBody(); static ::testing::TestInfo * const test_info_ __attribute__ ((unused)); metaspace_MetaspaceArena_growth_standard_nc_inplace_vm_Test (metaspace_MetaspaceArena_growth_standard_nc_inplace_vm_Test const &) = delete; void operator=(metaspace_MetaspaceArena_growth_standard_nc_inplace_vm_Test const &) = delete;};::testing::TestInfo* const metaspace_MetaspaceArena_growth_standard_nc_inplace_vm_Test ::test_info_ = ::testing::internal::MakeAndRegisterTestInfo( "metaspace", "MetaspaceArena_growth_standard_nc_inplace_vm", __null, __null, ::testing::internal::CodeLocation("/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 720), (::testing::internal::GetTestTypeId()), ::testing::Test ::SetUpTestCase, ::testing::Test::TearDownTestCase, new ::testing ::internal::TestFactoryImpl< metaspace_MetaspaceArena_growth_standard_nc_inplace_vm_Test >);void metaspace_MetaspaceArena_growth_standard_nc_inplace_vm_Test ::TestBody() { |
| 721 | test_controlled_growth(Metaspace::StandardMetaspaceType, false, |
| 722 | word_size_for_level(CHUNK_LEVEL_4K), true); |
| 723 | } |
| 724 | |
| 725 | TEST_VM(metaspace, MetaspaceArena_growth_standard_nc_not_inplace)class metaspace_MetaspaceArena_growth_standard_nc_not_inplace_vm_Test : public ::testing::Test { public: metaspace_MetaspaceArena_growth_standard_nc_not_inplace_vm_Test () {} private: virtual void TestBody(); static ::testing::TestInfo * const test_info_ __attribute__ ((unused)); metaspace_MetaspaceArena_growth_standard_nc_not_inplace_vm_Test (metaspace_MetaspaceArena_growth_standard_nc_not_inplace_vm_Test const &) = delete; void operator=(metaspace_MetaspaceArena_growth_standard_nc_not_inplace_vm_Test const &) = delete;};::testing::TestInfo* const metaspace_MetaspaceArena_growth_standard_nc_not_inplace_vm_Test ::test_info_ = ::testing::internal::MakeAndRegisterTestInfo( "metaspace", "MetaspaceArena_growth_standard_nc_not_inplace_vm" , __null, __null, ::testing::internal::CodeLocation("/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 725), (::testing::internal::GetTestTypeId()), ::testing::Test ::SetUpTestCase, ::testing::Test::TearDownTestCase, new ::testing ::internal::TestFactoryImpl< metaspace_MetaspaceArena_growth_standard_nc_not_inplace_vm_Test >);void metaspace_MetaspaceArena_growth_standard_nc_not_inplace_vm_Test ::TestBody() { |
| 726 | test_controlled_growth(Metaspace::StandardMetaspaceType, false, |
| 727 | word_size_for_level(CHUNK_LEVEL_4K), false); |
| 728 | } |
| 729 | |
| 730 | /* Disabled growth tests for BootMetaspaceType: there, the growth steps are too rare, |
| 731 | * and too large, to make any reliable guess as toward chunks get enlarged in place. |
| 732 | TEST_VM(metaspace, MetaspaceArena_growth_boot_nc_inplace) { |
| 733 | test_controlled_growth(Metaspace::BootMetaspaceType, false, |
| 734 | word_size_for_level(CHUNK_LEVEL_4M), true); |
| 735 | } |
| 736 | |
| 737 | TEST_VM(metaspace, MetaspaceArena_growth_boot_nc_not_inplace) { |
| 738 | test_controlled_growth(Metaspace::BootMetaspaceType, false, |
| 739 | word_size_for_level(CHUNK_LEVEL_4M), false); |
| 740 | } |
| 741 | */ |
| 742 | |
| 743 | // Test that repeated allocation-deallocation cycles with the same block size |
| 744 | // do not increase metaspace usage after the initial allocation (the deallocated |
| 745 | // block should be reused by the next allocation). |
| 746 | static void test_repeatedly_allocate_and_deallocate(bool is_topmost) { |
| 747 | // Test various sizes, including (important) the max. possible block size = 1 root chunk |
| 748 | for (size_t blocksize = Metaspace::max_allocation_word_size(); blocksize >= 1; blocksize /= 2) { |
| 749 | size_t used1 = 0, used2 = 0, committed1 = 0, committed2 = 0; |
| 750 | MetaWord* p = NULL__null, *p2 = NULL__null; |
| 751 | |
| 752 | MetaspaceGtestContext context; |
| 753 | MetaspaceArenaTestHelper helper(context, Metaspace::StandardMetaspaceType, false); |
| 754 | |
| 755 | // First allocation |
| 756 | helper.allocate_from_arena_with_tests_expect_success(&p, blocksize); |
| 757 | if (!is_topmost) { |
| 758 | // another one on top, size does not matter. |
| 759 | helper.allocate_from_arena_with_tests_expect_success(0x10); |
| 760 | } |
| 761 | |
| 762 | // Measure |
| 763 | helper.usage_numbers_with_test(&used1, &committed1, NULL__null); |
| 764 | |
| 765 | // Dealloc, alloc several times with the same size. |
| 766 | for (int i = 0; i < 5; i ++) { |
| 767 | helper.deallocate_with_tests(p, blocksize); |
| 768 | helper.allocate_from_arena_with_tests_expect_success(&p2, blocksize); |
| 769 | // We should get the same pointer back. |
| 770 | EXPECT_EQ(p2, p)switch (0) case 0: default: if (const ::testing::AssertionResult gtest_ar = (::testing::internal:: EqHelper<(sizeof(::testing ::internal::IsNullLiteralHelper(p2)) == 1)>::Compare("p2", "p", p2, p))) ; else ::testing::internal::AssertHelper(::testing ::TestPartResult::kNonFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 770, gtest_ar.failure_message()) = ::testing::Message(); |
| 771 | } |
| 772 | |
| 773 | // Measure again |
| 774 | helper.usage_numbers_with_test(&used2, &committed2, NULL__null); |
| 775 | EXPECT_EQ(used2, used1)switch (0) case 0: default: if (const ::testing::AssertionResult gtest_ar = (::testing::internal:: EqHelper<(sizeof(::testing ::internal::IsNullLiteralHelper(used2)) == 1)>::Compare("used2" , "used1", used2, used1))) ; else ::testing::internal::AssertHelper (::testing::TestPartResult::kNonFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 775, gtest_ar.failure_message()) = ::testing::Message(); |
| 776 | EXPECT_EQ(committed1, committed2)switch (0) case 0: default: if (const ::testing::AssertionResult gtest_ar = (::testing::internal:: EqHelper<(sizeof(::testing ::internal::IsNullLiteralHelper(committed1)) == 1)>::Compare ("committed1", "committed2", committed1, committed2))) ; else ::testing::internal::AssertHelper(::testing::TestPartResult:: kNonFatalFailure, "/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 776, gtest_ar.failure_message()) = ::testing::Message(); |
| 777 | } |
| 778 | } |
| 779 | |
| 780 | TEST_VM(metaspace, MetaspaceArena_test_repeatedly_allocate_and_deallocate_top_allocation)class metaspace_MetaspaceArena_test_repeatedly_allocate_and_deallocate_top_allocation_vm_Test : public ::testing::Test { public: metaspace_MetaspaceArena_test_repeatedly_allocate_and_deallocate_top_allocation_vm_Test () {} private: virtual void TestBody(); static ::testing::TestInfo * const test_info_ __attribute__ ((unused)); metaspace_MetaspaceArena_test_repeatedly_allocate_and_deallocate_top_allocation_vm_Test (metaspace_MetaspaceArena_test_repeatedly_allocate_and_deallocate_top_allocation_vm_Test const &) = delete; void operator=(metaspace_MetaspaceArena_test_repeatedly_allocate_and_deallocate_top_allocation_vm_Test const &) = delete;};::testing::TestInfo* const metaspace_MetaspaceArena_test_repeatedly_allocate_and_deallocate_top_allocation_vm_Test ::test_info_ = ::testing::internal::MakeAndRegisterTestInfo( "metaspace", "MetaspaceArena_test_repeatedly_allocate_and_deallocate_top_allocation_vm" , __null, __null, ::testing::internal::CodeLocation("/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 780), (::testing::internal::GetTestTypeId()), ::testing::Test ::SetUpTestCase, ::testing::Test::TearDownTestCase, new ::testing ::internal::TestFactoryImpl< metaspace_MetaspaceArena_test_repeatedly_allocate_and_deallocate_top_allocation_vm_Test >);void metaspace_MetaspaceArena_test_repeatedly_allocate_and_deallocate_top_allocation_vm_Test ::TestBody() { |
| 781 | test_repeatedly_allocate_and_deallocate(true); |
| 782 | } |
| 783 | |
| 784 | TEST_VM(metaspace, MetaspaceArena_test_repeatedly_allocate_and_deallocate_nontop_allocation)class metaspace_MetaspaceArena_test_repeatedly_allocate_and_deallocate_nontop_allocation_vm_Test : public ::testing::Test { public: metaspace_MetaspaceArena_test_repeatedly_allocate_and_deallocate_nontop_allocation_vm_Test () {} private: virtual void TestBody(); static ::testing::TestInfo * const test_info_ __attribute__ ((unused)); metaspace_MetaspaceArena_test_repeatedly_allocate_and_deallocate_nontop_allocation_vm_Test (metaspace_MetaspaceArena_test_repeatedly_allocate_and_deallocate_nontop_allocation_vm_Test const &) = delete; void operator=(metaspace_MetaspaceArena_test_repeatedly_allocate_and_deallocate_nontop_allocation_vm_Test const &) = delete;};::testing::TestInfo* const metaspace_MetaspaceArena_test_repeatedly_allocate_and_deallocate_nontop_allocation_vm_Test ::test_info_ = ::testing::internal::MakeAndRegisterTestInfo( "metaspace", "MetaspaceArena_test_repeatedly_allocate_and_deallocate_nontop_allocation_vm" , __null, __null, ::testing::internal::CodeLocation("/home/daniel/Projects/java/jdk/test/hotspot/gtest/metaspace/test_metaspacearena.cpp" , 784), (::testing::internal::GetTestTypeId()), ::testing::Test ::SetUpTestCase, ::testing::Test::TearDownTestCase, new ::testing ::internal::TestFactoryImpl< metaspace_MetaspaceArena_test_repeatedly_allocate_and_deallocate_nontop_allocation_vm_Test >);void metaspace_MetaspaceArena_test_repeatedly_allocate_and_deallocate_nontop_allocation_vm_Test ::TestBody() { |
| 785 | test_repeatedly_allocate_and_deallocate(false); |
| 786 | } |