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 /*
25 * @test TestHumongousAllocInitialMark
26 * @bug 7168848
27 * @summary G1: humongous object allocations should initiate marking cycles when necessary
28 * @library /testlibrary
29 */
30
31 import com.oracle.java.testlibrary.*;
32
33 public class TestHumongousAllocInitialMark {
34 private static final int heapSize = 200; // MB
35 private static final int heapRegionSize = 1; // MB
36 private static final int initiatingHeapOccupancyPercent = 50; // %
37
38 public static void main(String[] args) throws Exception {
39 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
40 "-XX:+UseG1GC",
41 "-Xms" + heapSize + "m",
42 "-Xmx" + heapSize + "m",
43 "-XX:G1HeapRegionSize=" + heapRegionSize + "m",
44 "-XX:InitiatingHeapOccupancyPercent=" + initiatingHeapOccupancyPercent,
45 "-XX:+PrintGC",
46 HumongousObjectAllocator.class.getName());
47
48 OutputAnalyzer output = new OutputAnalyzer(pb.start());
49 output.shouldContain("GC pause (G1 Humongous Allocation) (young) (initial-mark)");
50 output.shouldNotContain("Full GC");
51 output.shouldHaveExitValue(0);
52 }
53
54 static class HumongousObjectAllocator {
|
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 /*
25 * @test TestHumongousAllocInitialMark
26 * @bug 7168848
27 * @summary G1: humongous object allocations should initiate marking cycles when necessary
28 * @library /testlibrary
29 */
30
31 import com.oracle.java.testlibrary.*;
32
33 public class TestHumongousAllocInitialMark {
34 // Heap sizes < 224 MB are increased to 224 MB if vm_page_size == 64K to
35 // fulfill alignment constraints.
36 private static final int heapSize = 224; // MB
37 private static final int heapRegionSize = 1; // MB
38 private static final int initiatingHeapOccupancyPercent = 50; // %
39
40 public static void main(String[] args) throws Exception {
41 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
42 "-XX:+UseG1GC",
43 "-Xms" + heapSize + "m",
44 "-Xmx" + heapSize + "m",
45 "-XX:G1HeapRegionSize=" + heapRegionSize + "m",
46 "-XX:InitiatingHeapOccupancyPercent=" + initiatingHeapOccupancyPercent,
47 "-XX:+PrintGC",
48 HumongousObjectAllocator.class.getName());
49
50 OutputAnalyzer output = new OutputAnalyzer(pb.start());
51 output.shouldContain("GC pause (G1 Humongous Allocation) (young) (initial-mark)");
52 output.shouldNotContain("Full GC");
53 output.shouldHaveExitValue(0);
54 }
55
56 static class HumongousObjectAllocator {
|