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test/gc/g1/TestHumongousAllocInitialMark.java

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rev 7563 : 8067941: [TESTBUG] Fix tests for OS with 64K page size.


  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 {


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