24  */
  25 
  26 package jdk.jfr.jcmd;
  27 
  28 import java.io.File;
  29 import java.io.IOException;
  30 import java.util.ArrayList;
  31 import java.util.Collections;
  32 import java.util.HashMap;
  33 import java.util.List;
  34 import java.util.Map;
  35 
  36 import jdk.jfr.Enabled;
  37 import jdk.jfr.Recording;
  38 import jdk.jfr.consumer.RecordedEvent;
  39 import jdk.jfr.consumer.RecordedObject;
  40 import jdk.jfr.consumer.RecordingFile;
  41 import jdk.jfr.internal.test.WhiteBox;
  42 import jdk.test.lib.jfr.EventNames;
  43 
  44 /*
  45  * @test
  46  * @summary Start a recording with or without path-to-gc-roots

  47  * @modules jdk.jfr/jdk.jfr.internal.test
  48  * @library /test/lib /test/jdk
  49  * @key jfr
  50  *
  51  * @run main/othervm -XX:TLABSize=2k jdk.jfr.jcmd.TestJcmdDumpPathToGCRoots
  52  */
  53 public class TestJcmdDumpPathToGCRoots {
  54 
  55     private static final int OBJECT_COUNT = 100_000;
  56     public static List<Object[]> leak = new ArrayList<>(OBJECT_COUNT);
  57 
  58     public static void main(String[] args) throws Exception {
  59         WhiteBox.setWriteAllObjectSamples(true);
  60 
  61         String settingName = EventNames.OldObjectSample + "#" + "cutoff";
  62 
  63         // dump parameter trumps previous setting
  64         testDump("path-to-gc-roots=true", Collections.singletonMap(settingName, "infinity"), true);
  65         testDump("path-to-gc-roots=true", Collections.singletonMap(settingName, "0 ns"), true);
  66         testDump("path-to-gc-roots=true", Collections.emptyMap(), true);

  24  */
  25 
  26 package jdk.jfr.jcmd;
  27 
  28 import java.io.File;
  29 import java.io.IOException;
  30 import java.util.ArrayList;
  31 import java.util.Collections;
  32 import java.util.HashMap;
  33 import java.util.List;
  34 import java.util.Map;
  35 
  36 import jdk.jfr.Enabled;
  37 import jdk.jfr.Recording;
  38 import jdk.jfr.consumer.RecordedEvent;
  39 import jdk.jfr.consumer.RecordedObject;
  40 import jdk.jfr.consumer.RecordingFile;
  41 import jdk.jfr.internal.test.WhiteBox;
  42 import jdk.test.lib.jfr.EventNames;
  43 
  44 /**
  45  * @test
  46  * @summary Start a recording with or without path-to-gc-roots
  47  * @requires vm.hasJFR
  48  * @modules jdk.jfr/jdk.jfr.internal.test
  49  * @library /test/lib /test/jdk
  50  * @key jfr
  51  *
  52  * @run main/othervm -XX:TLABSize=2k jdk.jfr.jcmd.TestJcmdDumpPathToGCRoots
  53  */
  54 public class TestJcmdDumpPathToGCRoots {
  55 
  56     private static final int OBJECT_COUNT = 100_000;
  57     public static List<Object[]> leak = new ArrayList<>(OBJECT_COUNT);
  58 
  59     public static void main(String[] args) throws Exception {
  60         WhiteBox.setWriteAllObjectSamples(true);
  61 
  62         String settingName = EventNames.OldObjectSample + "#" + "cutoff";
  63 
  64         // dump parameter trumps previous setting
  65         testDump("path-to-gc-roots=true", Collections.singletonMap(settingName, "infinity"), true);
  66         testDump("path-to-gc-roots=true", Collections.singletonMap(settingName, "0 ns"), true);
  67         testDump("path-to-gc-roots=true", Collections.emptyMap(), true);