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test/serviceability/sa/jmap-hprof/JMapHProfLargeHeapTest.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 java.io.BufferedReader;
  25 import java.io.File;
  26 import java.io.FileNotFoundException;
  27 import java.io.FileReader;
  28 import java.io.IOException;
  29 import java.io.Reader;
  30 import java.nio.CharBuffer;
  31 import java.util.Arrays;
  32 import java.util.Scanner;
  33 
  34 import jdk.test.lib.Asserts;
  35 import jdk.test.lib.JDKToolFinder;
  36 import jdk.test.lib.JDKToolLauncher;
  37 import jdk.test.lib.OutputAnalyzer;
  38 import jdk.test.lib.Platform;
  39 import jdk.test.lib.ProcessTools;

  40 
  41 /*
  42  * @test
  43  * @bug 6313383
  44  * @key regression
  45  * @summary Regression test for hprof export issue due to large heaps (>2G)
  46  * Started failing on 2016.06.24 due to 8160376 on MacOS X so quarantine
  47  * it on that platform:
  48  * @requires os.family != "mac"
  49  * @library /testlibrary
  50  * @modules java.base/jdk.internal.misc
  51  *          java.compiler
  52  *          java.management/sun.management
  53  *          jdk.jvmstat/sun.jvmstat.monitor
  54  * @build jdk.test.lib.* JMapHProfLargeHeapProc
  55  * @run main JMapHProfLargeHeapTest
  56  */
  57 
  58 public class JMapHProfLargeHeapTest {
  59     private static final String HEAP_DUMP_FILE_NAME = "heap.bin";
  60     private static final String HPROF_HEADER_1_0_1 = "JAVA PROFILE 1.0.1";
  61     private static final String HPROF_HEADER_1_0_2 = "JAVA PROFILE 1.0.2";
  62     private static final long M = 1024L;
  63     private static final long G = 1024L * M;
  64 
  65     public static void main(String[] args) throws Exception {
  66         if (!Platform.shouldSAAttach()) {
  67             System.out.println("SA attach not expected to work - test skipped.");
  68             return;
  69         }
  70 
  71         // All heap dumps should create 1.0.2 file format
  72         // Hotspot internal heapdumper always use HPROF_HEADER_1_0_2 format,
  73         // but SA heapdumper still use HPROF_HEADER_1_0_1 for small heaps
  74         testHProfFileFormat("-Xmx1g", 22 * M, HPROF_HEADER_1_0_1);




  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 java.io.BufferedReader;
  25 import java.io.File;
  26 import java.io.FileNotFoundException;
  27 import java.io.FileReader;
  28 import java.io.IOException;
  29 import java.io.Reader;
  30 import java.nio.CharBuffer;
  31 import java.util.Arrays;
  32 import java.util.Scanner;
  33 
  34 import jdk.test.lib.Asserts;

  35 import jdk.test.lib.JDKToolLauncher;

  36 import jdk.test.lib.Platform;
  37 import jdk.test.lib.process.OutputAnalyzer;
  38 import jdk.test.lib.process.ProcessTools;
  39 
  40 /*
  41  * @test
  42  * @bug 6313383
  43  * @key regression
  44  * @summary Regression test for hprof export issue due to large heaps (>2G)
  45  * Started failing on 2016.06.24 due to 8160376 on MacOS X so quarantine
  46  * it on that platform:
  47  * @requires os.family != "mac"
  48  * @library /test/lib
  49  * @modules java.base/jdk.internal.misc
  50  *          java.compiler
  51  *          java.management/sun.management
  52  *          jdk.jvmstat/sun.jvmstat.monitor
  53  * @build JMapHProfLargeHeapProc
  54  * @run main JMapHProfLargeHeapTest
  55  */
  56 
  57 public class JMapHProfLargeHeapTest {
  58     private static final String HEAP_DUMP_FILE_NAME = "heap.bin";
  59     private static final String HPROF_HEADER_1_0_1 = "JAVA PROFILE 1.0.1";
  60     private static final String HPROF_HEADER_1_0_2 = "JAVA PROFILE 1.0.2";
  61     private static final long M = 1024L;
  62     private static final long G = 1024L * M;
  63 
  64     public static void main(String[] args) throws Exception {
  65         if (!Platform.shouldSAAttach()) {
  66             System.out.println("SA attach not expected to work - test skipped.");
  67             return;
  68         }
  69 
  70         // All heap dumps should create 1.0.2 file format
  71         // Hotspot internal heapdumper always use HPROF_HEADER_1_0_2 format,
  72         // but SA heapdumper still use HPROF_HEADER_1_0_1 for small heaps
  73         testHProfFileFormat("-Xmx1g", 22 * M, HPROF_HEADER_1_0_1);


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