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test/hotspot/jtreg/gc/metaspace/CompressedClassSpaceSizeInJmapHeap.java

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rev 59148 : imported patch 8244384


  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 package gc.metaspace;
  25 
  26 /**
  27  * @test CompressedClassSpaceSizeInJmapHeap
  28  * @bug 8004924
  29  * @summary Checks that jmap -heap contains the flag CompressedClassSpaceSize
  30  * @requires vm.hasSA
  31  * @requires vm.bits == 64 & vm.opt.final.UseCompressedOops == true
  32  * @library /test/lib
  33  * @modules java.base/jdk.internal.misc
  34  *          java.management
  35  * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:CompressedClassSpaceSize=50m gc.metaspace.CompressedClassSpaceSizeInJmapHeap
  36  */
  37 
  38 import jdk.test.lib.JDKToolLauncher;
  39 import jdk.test.lib.Platform;
  40 import jdk.test.lib.process.OutputAnalyzer;
  41 import jdk.test.lib.process.ProcessTools;
  42 import jdk.test.lib.SA.SATestUtils;
  43 import java.nio.file.*;
  44 import java.io.File;
  45 import java.nio.charset.Charset;
  46 import java.util.List;
  47 
  48 public class CompressedClassSpaceSizeInJmapHeap {
  49     // Note that on some platforms it may require root privileges to run this test.
  50     public static void main(String[] args) throws Exception {
  51         SATestUtils.skipIfCannotAttach(); // throws SkippedException if attach not expected to work.
  52 
  53         if (!Platform.is64bit()) {
  54             // Compressed Class Space is only available on 64-bit JVMs
  55             return;
  56         }
  57 
  58         String pid = Long.toString(ProcessTools.getProcessId());
  59 
  60         JDKToolLauncher jmap = JDKToolLauncher.create("jhsdb")
  61                                               .addToolArg("jmap")
  62                                               .addToolArg("--heap")
  63                                               .addToolArg("--pid")
  64                                               .addToolArg(pid);
  65         ProcessBuilder pb = SATestUtils.createProcessBuilder(jmap);
  66 
  67         File out = new File("CompressedClassSpaceSizeInJmapHeap.stdout.txt");
  68         pb.redirectOutput(out);
  69 
  70         File err = new File("CompressedClassSpaceSizeInJmapHeap.stderr.txt");
  71         pb.redirectError(err);
  72 
  73         run(pb);
  74 
  75         OutputAnalyzer output = new OutputAnalyzer(read(out));
  76         output.shouldContain("CompressedClassSpaceSize = 52428800 (50.0MB)");
  77         out.delete();




  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 package gc.metaspace;
  25 
  26 /**
  27  * @test CompressedClassSpaceSizeInJmapHeap
  28  * @bug 8004924
  29  * @summary Checks that jmap -heap contains the flag CompressedClassSpaceSize
  30  * @requires vm.hasSA
  31  * @requires vm.bits == 64 & vm.opt.final.UseCompressedOops == true
  32  * @library /test/lib
  33  * @modules java.base/jdk.internal.misc
  34  *          java.management
  35  * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:CompressedClassSpaceSize=50m gc.metaspace.CompressedClassSpaceSizeInJmapHeap
  36  */
  37 
  38 import jdk.test.lib.JDKToolLauncher;

  39 import jdk.test.lib.process.OutputAnalyzer;
  40 import jdk.test.lib.process.ProcessTools;
  41 import jdk.test.lib.SA.SATestUtils;
  42 import java.nio.file.*;
  43 import java.io.File;
  44 import java.nio.charset.Charset;
  45 import java.util.List;
  46 
  47 public class CompressedClassSpaceSizeInJmapHeap {
  48     // Note that on some platforms it may require root privileges to run this test.
  49     public static void main(String[] args) throws Exception {
  50         SATestUtils.skipIfCannotAttach(); // throws SkippedException if attach not expected to work.
  51 





  52         String pid = Long.toString(ProcessTools.getProcessId());
  53 
  54         JDKToolLauncher jmap = JDKToolLauncher.create("jhsdb")
  55                                               .addToolArg("jmap")
  56                                               .addToolArg("--heap")
  57                                               .addToolArg("--pid")
  58                                               .addToolArg(pid);
  59         ProcessBuilder pb = SATestUtils.createProcessBuilder(jmap);
  60 
  61         File out = new File("CompressedClassSpaceSizeInJmapHeap.stdout.txt");
  62         pb.redirectOutput(out);
  63 
  64         File err = new File("CompressedClassSpaceSizeInJmapHeap.stderr.txt");
  65         pb.redirectError(err);
  66 
  67         run(pb);
  68 
  69         OutputAnalyzer output = new OutputAnalyzer(read(out));
  70         output.shouldContain("CompressedClassSpaceSize = 52428800 (50.0MB)");
  71         out.delete();


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