12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 #include "precompiled.hpp"
25 #include "memory/metaspace.hpp"
26 #include "memory/metaspace/virtualSpaceList.hpp"
27 #include "runtime/mutexLocker.hpp"
28 #include "runtime/os.hpp"
29 #include "unittest.hpp"
30
31 using namespace metaspace;
32
33 TEST_VM(MetaspaceUtils, reserved) {
34 size_t reserved = MetaspaceUtils::reserved_bytes();
35 EXPECT_GT(reserved, 0UL);
36
37 size_t reserved_metadata = MetaspaceUtils::reserved_bytes(Metaspace::NonClassType);
38 EXPECT_GT(reserved_metadata, 0UL);
39 EXPECT_LE(reserved_metadata, reserved);
40 }
41
42 TEST_VM(MetaspaceUtils, reserved_compressed_class_pointers) {
43 if (!UseCompressedClassPointers) {
44 return;
45 }
46 size_t reserved = MetaspaceUtils::reserved_bytes();
47 EXPECT_GT(reserved, 0UL);
48
49 size_t reserved_class = MetaspaceUtils::reserved_bytes(Metaspace::ClassType);
50 EXPECT_GT(reserved_class, 0UL);
51 EXPECT_LE(reserved_class, reserved);
52 }
67 if (!UseCompressedClassPointers) {
68 return;
69 }
70 size_t committed = MetaspaceUtils::committed_bytes();
71 EXPECT_GT(committed, 0UL);
72
73 size_t committed_class = MetaspaceUtils::committed_bytes(Metaspace::ClassType);
74 EXPECT_GT(committed_class, 0UL);
75 EXPECT_LE(committed_class, committed);
76 }
77
78 TEST_VM(MetaspaceUtils, virtual_space_list_large_chunk) {
79 VirtualSpaceList* vs_list = new VirtualSpaceList(os::vm_allocation_granularity());
80 MutexLocker cl(MetaspaceExpand_lock, Mutex::_no_safepoint_check_flag);
81 // A size larger than VirtualSpaceSize (256k) and add one page to make it _not_ be
82 // vm_allocation_granularity aligned on Windows.
83 size_t large_size = (size_t)(2*256*K + (os::vm_page_size() / BytesPerWord));
84 large_size += (os::vm_page_size() / BytesPerWord);
85 vs_list->get_new_chunk(large_size, 0);
86 }
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12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 #include "precompiled.hpp"
25 #include "memory/metaspace.hpp"
26 #include "memory/metaspace/virtualSpaceList.hpp"
27 #include "runtime/mutexLocker.hpp"
28 #include "runtime/os.hpp"
29 #include "unittest.hpp"
30
31 using namespace metaspace;
32 #if 0
33 TEST_VM(MetaspaceUtils, reserved) {
34 size_t reserved = MetaspaceUtils::reserved_bytes();
35 EXPECT_GT(reserved, 0UL);
36
37 size_t reserved_metadata = MetaspaceUtils::reserved_bytes(Metaspace::NonClassType);
38 EXPECT_GT(reserved_metadata, 0UL);
39 EXPECT_LE(reserved_metadata, reserved);
40 }
41
42 TEST_VM(MetaspaceUtils, reserved_compressed_class_pointers) {
43 if (!UseCompressedClassPointers) {
44 return;
45 }
46 size_t reserved = MetaspaceUtils::reserved_bytes();
47 EXPECT_GT(reserved, 0UL);
48
49 size_t reserved_class = MetaspaceUtils::reserved_bytes(Metaspace::ClassType);
50 EXPECT_GT(reserved_class, 0UL);
51 EXPECT_LE(reserved_class, reserved);
52 }
67 if (!UseCompressedClassPointers) {
68 return;
69 }
70 size_t committed = MetaspaceUtils::committed_bytes();
71 EXPECT_GT(committed, 0UL);
72
73 size_t committed_class = MetaspaceUtils::committed_bytes(Metaspace::ClassType);
74 EXPECT_GT(committed_class, 0UL);
75 EXPECT_LE(committed_class, committed);
76 }
77
78 TEST_VM(MetaspaceUtils, virtual_space_list_large_chunk) {
79 VirtualSpaceList* vs_list = new VirtualSpaceList(os::vm_allocation_granularity());
80 MutexLocker cl(MetaspaceExpand_lock, Mutex::_no_safepoint_check_flag);
81 // A size larger than VirtualSpaceSize (256k) and add one page to make it _not_ be
82 // vm_allocation_granularity aligned on Windows.
83 size_t large_size = (size_t)(2*256*K + (os::vm_page_size() / BytesPerWord));
84 large_size += (os::vm_page_size() / BytesPerWord);
85 vs_list->get_new_chunk(large_size, 0);
86 }
87 #endif
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