11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  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 /*
  25  * @test TestPLABOutput
  26  * @bug 8140585
  27  * @summary Check that G1 does not report empty PLAB statistics in the first evacuation.
  28  * @requires vm.gc.G1
  29  * @key gc
  30  * @modules java.base/jdk.internal.misc
  31  * @library /testlibrary /test/lib
  32  * @build sun.hotspot.WhiteBox
  33  * @run main ClassFileInstaller sun.hotspot.WhiteBox
  34  * @run driver TestPLABOutput
  35  */
  36 
  37 import sun.hotspot.WhiteBox;
  38 
  39 import java.util.regex.Matcher;
  40 import java.util.regex.Pattern;
  41 
  42 import jdk.test.lib.OutputAnalyzer;
  43 import jdk.test.lib.Platform;
  44 import jdk.test.lib.ProcessTools;

  45 
  46 import static jdk.test.lib.Asserts.*;
  47 
  48 public class TestPLABOutput {
  49 
  50     public static void runTest() throws Exception {
  51         final String[] arguments = {
  52             "-Xbootclasspath/a:.",
  53             "-XX:+UnlockExperimentalVMOptions",
  54             "-XX:+UnlockDiagnosticVMOptions",
  55             "-XX:+WhiteBoxAPI",
  56             "-XX:+UseG1GC",
  57             "-Xmx10M",
  58             "-Xlog:gc+plab=debug",
  59             GCTest.class.getName()
  60             };
  61 
  62         ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(arguments);
  63         OutputAnalyzer output = new OutputAnalyzer(pb.start());
  64 

  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  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 /*
  25  * @test TestPLABOutput
  26  * @bug 8140585
  27  * @summary Check that G1 does not report empty PLAB statistics in the first evacuation.
  28  * @requires vm.gc.G1
  29  * @key gc
  30  * @modules java.base/jdk.internal.misc
  31  * @library /test/lib
  32  * @build sun.hotspot.WhiteBox
  33  * @run main ClassFileInstaller sun.hotspot.WhiteBox
  34  * @run driver TestPLABOutput
  35  */
  36 
  37 import sun.hotspot.WhiteBox;
  38 
  39 import java.util.regex.Matcher;
  40 import java.util.regex.Pattern;
  41 

  42 import jdk.test.lib.Platform;
  43 import jdk.test.lib.process.OutputAnalyzer;
  44 import jdk.test.lib.process.ProcessTools;
  45 
  46 import static jdk.test.lib.Asserts.*;
  47 
  48 public class TestPLABOutput {
  49 
  50     public static void runTest() throws Exception {
  51         final String[] arguments = {
  52             "-Xbootclasspath/a:.",
  53             "-XX:+UnlockExperimentalVMOptions",
  54             "-XX:+UnlockDiagnosticVMOptions",
  55             "-XX:+WhiteBoxAPI",
  56             "-XX:+UseG1GC",
  57             "-Xmx10M",
  58             "-Xlog:gc+plab=debug",
  59             GCTest.class.getName()
  60             };
  61 
  62         ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(arguments);
  63         OutputAnalyzer output = new OutputAnalyzer(pb.start());
  64