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test/gc/TestCardTablePageCommits.java

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  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 import com.oracle.java.testlibrary.JDKToolFinder;
  25 import com.oracle.java.testlibrary.OutputAnalyzer;
  26 import com.oracle.java.testlibrary.ProcessTools;
  27 import com.oracle.java.testlibrary.Platform;
  28 
  29 /*
  30  * @test TestCardTablePageCommits
  31  * @key gc
  32  * @bug 8059066
  33  * @summary Tests that the card table does not commit the same page twice
  34  * @library /testlibrary

  35  * @run driver TestCardTablePageCommits
  36  */
  37 public class TestCardTablePageCommits {
  38     public static void main(String args[]) throws Exception {
  39         // The test is run with a small heap to make sure all pages in the card
  40         // table gets committed. Need 8 MB heap to trigger the bug on SPARC
  41         // because of 8kB pages, assume 4 KB pages for all other CPUs.
  42         String Xmx = Platform.isSparc() ? "-Xmx8m" : "-Xmx4m";
  43 
  44         String[] opts = {Xmx, "-XX:NativeMemoryTracking=detail", "-XX:+UseParallelGC", "-version"};
  45         ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(opts);
  46         OutputAnalyzer output = new OutputAnalyzer(pb.start());
  47         output.shouldHaveExitValue(0);
  48     }
  49 }


  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 import com.oracle.java.testlibrary.JDKToolFinder;
  25 import com.oracle.java.testlibrary.OutputAnalyzer;
  26 import com.oracle.java.testlibrary.ProcessTools;
  27 import com.oracle.java.testlibrary.Platform;
  28 
  29 /*
  30  * @test TestCardTablePageCommits
  31  * @key gc
  32  * @bug 8059066
  33  * @summary Tests that the card table does not commit the same page twice
  34  * @library /testlibrary
  35  * @build com.oracle.java.testlibrary.*
  36  * @run driver TestCardTablePageCommits
  37  */
  38 public class TestCardTablePageCommits {
  39     public static void main(String args[]) throws Exception {
  40         // The test is run with a small heap to make sure all pages in the card
  41         // table gets committed. Need 8 MB heap to trigger the bug on SPARC
  42         // because of 8kB pages, assume 4 KB pages for all other CPUs.
  43         String Xmx = Platform.isSparc() ? "-Xmx8m" : "-Xmx4m";
  44 
  45         String[] opts = {Xmx, "-XX:NativeMemoryTracking=detail", "-XX:+UseParallelGC", "-version"};
  46         ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(opts);
  47         OutputAnalyzer output = new OutputAnalyzer(pb.start());
  48         output.shouldHaveExitValue(0);
  49     }
  50 }
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