8171097: Convert TestReservedSpace_test to Gtest
Reviewed-by: stuefe, jcbeyler, iignatyev
This commit is contained in:
Kirill Zhaldybin
parent
137e3161c4
commit
4c8b5f840c
@ -42,7 +42,6 @@ void InternalVMTests::run_test(const char* name, void (*test)()) {
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void InternalVMTests::run() {
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tty->print_cr("Running internal VM tests");
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run_unit_test(TestReservedSpace_test);
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run_unit_test(TestReserveMemorySpecial_test);
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run_unit_test(TestVirtualSpace_test);
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run_unit_test(TestMetaspaceUtils_test);
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192
test/hotspot/gtest/memory/test_virtualspace.cpp
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192
test/hotspot/gtest/memory/test_virtualspace.cpp
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@ -0,0 +1,192 @@
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/*
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* Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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#include "precompiled.hpp"
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#include "memory/virtualspace.hpp"
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#include "runtime/os.hpp"
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#include "oops/oop.hpp"
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#include "utilities/align.hpp"
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#include "unittest.hpp"
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namespace {
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class MemoryReleaser {
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ReservedSpace* const _rs;
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public:
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MemoryReleaser(ReservedSpace* rs) : _rs(rs) { }
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~MemoryReleaser() {
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if (_rs->special()) {
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EXPECT_TRUE(os::release_memory_special(_rs->base(), _rs->size()));
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} else {
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EXPECT_TRUE(os::release_memory(_rs->base(), _rs->size()));
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}
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}
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};
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static void small_page_write(void* addr, size_t size) {
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size_t page_size = os::vm_page_size();
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char* end = (char*) addr + size;
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for (char* p = (char*) addr; p < end; p += page_size) {
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*p = 1;
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}
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}
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// have to use these functions, as gtest's _PRED macros don't like is_aligned
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// nor (is_aligned<size_t, size_t>)
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static bool is_size_aligned(size_t size, size_t alignment) {
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return is_aligned(size, alignment);
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}
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static bool is_ptr_aligned(void* ptr, size_t alignment) {
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return is_aligned(ptr, alignment);
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}
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static void test_reserved_size(size_t size) {
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ASSERT_PRED2(is_size_aligned, size, os::vm_allocation_granularity());
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ReservedSpace rs(size);
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MemoryReleaser releaser(&rs);
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EXPECT_TRUE(rs.base() != NULL) << "rs.special: " << rs.special();
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EXPECT_EQ(size, rs.size()) << "rs.special: " << rs.special();
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if (rs.special()) {
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small_page_write(rs.base(), size);
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}
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}
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static void test_reserved_size_alignment(size_t size, size_t alignment) {
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ASSERT_PRED2(is_size_aligned, size, alignment) << "Incorrect input parameters";
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ReservedSpace rs(size, alignment, UseLargePages, (char *) NULL);
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ASSERT_TRUE(rs.base() != NULL) << "rs.special = " << rs.special();
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ASSERT_EQ(size, rs.size()) << "rs.special = " << rs.special();
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EXPECT_PRED2(is_ptr_aligned, rs.base(), alignment)
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<< "aligned sizes should always give aligned addresses";
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EXPECT_PRED2(is_ptr_aligned, (void*) rs.size(), alignment)
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<< "aligned sizes should always give aligned addresses";
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if (rs.special()) {
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small_page_write(rs.base(), size);
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}
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}
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static void test_reserved_size_alignment_page_type(size_t size, size_t alignment, bool maybe_large) {
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if (size < alignment) {
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// Tests might set -XX:LargePageSizeInBytes=<small pages> and cause unexpected input arguments for this test.
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ASSERT_EQ((size_t) os::vm_page_size(), os::large_page_size()) << "Test needs further refinement";
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return;
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}
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ASSERT_PRED2(is_size_aligned, size, os::vm_allocation_granularity()) << "Must be at least AG aligned";
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ASSERT_PRED2(is_size_aligned, size, alignment) << "Must be at least AG aligned";
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bool large = maybe_large && UseLargePages && size >= os::large_page_size();
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ReservedSpace rs(size, alignment, large, false);
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MemoryReleaser releaser(&rs);
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EXPECT_TRUE(rs.base() != NULL) << "rs.special: " << rs.special();
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EXPECT_EQ(size, rs.size()) << "rs.special: " << rs.special();
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if (rs.special()) {
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small_page_write(rs.base(), size);
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}
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}
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}
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TEST_VM(ReservedSpace, size_alignment) {
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size_t size = 2 * 1024 * 1024;
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size_t ag = os::vm_allocation_granularity();
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EXPECT_NO_FATAL_FAILURE(test_reserved_size_alignment(size, ag));
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EXPECT_NO_FATAL_FAILURE(test_reserved_size_alignment(size * 2, ag));
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EXPECT_NO_FATAL_FAILURE(test_reserved_size_alignment(size * 10, ag));
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}
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TEST_VM(ReservedSpace, size) {
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size_t size = 2 * 1024 * 1024;
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size_t ag = os::vm_allocation_granularity();
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EXPECT_NO_FATAL_FAILURE(test_reserved_size(size * 1));
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EXPECT_NO_FATAL_FAILURE(test_reserved_size(size * 2));
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EXPECT_NO_FATAL_FAILURE(test_reserved_size(size * 10));
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EXPECT_NO_FATAL_FAILURE(test_reserved_size(ag));
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EXPECT_NO_FATAL_FAILURE(test_reserved_size(size - ag));
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EXPECT_NO_FATAL_FAILURE(test_reserved_size(size));
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EXPECT_NO_FATAL_FAILURE(test_reserved_size(size + ag));
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EXPECT_NO_FATAL_FAILURE(test_reserved_size(size * 2));
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EXPECT_NO_FATAL_FAILURE(test_reserved_size(size * 2 - ag));
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EXPECT_NO_FATAL_FAILURE(test_reserved_size(size * 2 + ag));
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EXPECT_NO_FATAL_FAILURE(test_reserved_size(size * 3));
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EXPECT_NO_FATAL_FAILURE(test_reserved_size(size * 3 - ag));
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EXPECT_NO_FATAL_FAILURE(test_reserved_size(size * 3 + ag));
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EXPECT_NO_FATAL_FAILURE(test_reserved_size(size * 10));
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EXPECT_NO_FATAL_FAILURE(test_reserved_size(size * 10 + size / 2));
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}
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TEST_VM(ReservedSpace, size_alignment_page_type) {
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size_t ag = os::vm_allocation_granularity();
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EXPECT_NO_FATAL_FAILURE(test_reserved_size_alignment_page_type(ag, ag , false));
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EXPECT_NO_FATAL_FAILURE(test_reserved_size_alignment_page_type(ag * 2, ag , false));
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EXPECT_NO_FATAL_FAILURE(test_reserved_size_alignment_page_type(ag * 3, ag , false));
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EXPECT_NO_FATAL_FAILURE(test_reserved_size_alignment_page_type(ag * 2, ag * 2, false));
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EXPECT_NO_FATAL_FAILURE(test_reserved_size_alignment_page_type(ag * 4, ag * 2, false));
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EXPECT_NO_FATAL_FAILURE(test_reserved_size_alignment_page_type(ag * 8, ag * 2, false));
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EXPECT_NO_FATAL_FAILURE(test_reserved_size_alignment_page_type(ag * 4, ag * 4, false));
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EXPECT_NO_FATAL_FAILURE(test_reserved_size_alignment_page_type(ag * 8, ag * 4, false));
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EXPECT_NO_FATAL_FAILURE(test_reserved_size_alignment_page_type(ag * 16, ag * 4, false));
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}
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TEST_VM(ReservedSpace, size_alignment_page_type_large_page) {
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if (!UseLargePages) {
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return;
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}
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size_t ag = os::vm_allocation_granularity();
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size_t lp = os::large_page_size();
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// Without large pages
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EXPECT_NO_FATAL_FAILURE(test_reserved_size_alignment_page_type(lp, ag * 4, false));
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EXPECT_NO_FATAL_FAILURE(test_reserved_size_alignment_page_type(lp * 2, ag * 4, false));
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EXPECT_NO_FATAL_FAILURE(test_reserved_size_alignment_page_type(lp * 4, ag * 4, false));
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EXPECT_NO_FATAL_FAILURE(test_reserved_size_alignment_page_type(lp, lp , false));
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EXPECT_NO_FATAL_FAILURE(test_reserved_size_alignment_page_type(lp * 2, lp , false));
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EXPECT_NO_FATAL_FAILURE(test_reserved_size_alignment_page_type(lp * 3, lp , false));
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EXPECT_NO_FATAL_FAILURE(test_reserved_size_alignment_page_type(lp * 2, lp * 2, false));
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EXPECT_NO_FATAL_FAILURE(test_reserved_size_alignment_page_type(lp * 4, lp * 2, false));
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EXPECT_NO_FATAL_FAILURE(test_reserved_size_alignment_page_type(lp * 8, lp * 2, false));
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// With large pages
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EXPECT_NO_FATAL_FAILURE(test_reserved_size_alignment_page_type(lp, ag * 4 , true));
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EXPECT_NO_FATAL_FAILURE(test_reserved_size_alignment_page_type(lp * 2, ag * 4, true));
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EXPECT_NO_FATAL_FAILURE(test_reserved_size_alignment_page_type(lp * 4, ag * 4, true));
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EXPECT_NO_FATAL_FAILURE(test_reserved_size_alignment_page_type(lp, lp , true));
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EXPECT_NO_FATAL_FAILURE(test_reserved_size_alignment_page_type(lp * 2, lp , true));
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EXPECT_NO_FATAL_FAILURE(test_reserved_size_alignment_page_type(lp * 3, lp , true));
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EXPECT_NO_FATAL_FAILURE(test_reserved_size_alignment_page_type(lp * 2, lp * 2, true));
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EXPECT_NO_FATAL_FAILURE(test_reserved_size_alignment_page_type(lp * 4, lp * 2, true));
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EXPECT_NO_FATAL_FAILURE(test_reserved_size_alignment_page_type(lp * 8, lp * 2, true));
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}
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