diff --git a/src/jdk.jfr/share/classes/jdk/jfr/internal/consumer/EventDirectoryStream.java b/src/jdk.jfr/share/classes/jdk/jfr/internal/consumer/EventDirectoryStream.java
index f1943f94865..3ed1c4c8d35 100644
--- a/src/jdk.jfr/share/classes/jdk/jfr/internal/consumer/EventDirectoryStream.java
+++ b/src/jdk.jfr/share/classes/jdk/jfr/internal/consumer/EventDirectoryStream.java
@@ -38,6 +38,9 @@ import java.util.function.Consumer;
 import jdk.jfr.Configuration;
 import jdk.jfr.consumer.RecordedEvent;
 import jdk.jfr.internal.JVM;
+import jdk.jfr.internal.LogLevel;
+import jdk.jfr.internal.LogTag;
+import jdk.jfr.internal.Logger;
 import jdk.jfr.internal.PlatformRecording;
 import jdk.jfr.internal.SecuritySupport;
 import jdk.jfr.internal.util.Utils;
@@ -196,6 +199,9 @@ public final class EventDirectoryStream extends AbstractEventStream {
                     // Avoid reading the same chunk again and again if
                     // duration is 0 ns
                     durationNanos++;
+                    if (Logger.shouldLog(LogTag.JFR_SYSTEM_PARSER, LogLevel.INFO)) {
+                        Logger.log(LogTag.JFR_SYSTEM_PARSER, LogLevel.INFO, "Unexpected chunk with 0 ns duration");
+                    }
                 }
                 path = repositoryFiles.nextPath(currentChunkStartNanos + durationNanos, true);
                 if (path == null) {
diff --git a/src/jdk.jfr/share/classes/jdk/jfr/internal/dcmd/DCmdView.java b/src/jdk.jfr/share/classes/jdk/jfr/internal/dcmd/DCmdView.java
index fb30788f49b..0c485262ce1 100644
--- a/src/jdk.jfr/share/classes/jdk/jfr/internal/dcmd/DCmdView.java
+++ b/src/jdk.jfr/share/classes/jdk/jfr/internal/dcmd/DCmdView.java
@@ -29,6 +29,9 @@ import java.time.Instant;
 import java.util.ArrayList;
 import java.util.List;
 
+import jdk.jfr.internal.LogLevel;
+import jdk.jfr.internal.LogTag;
+import jdk.jfr.internal.Logger;
 import jdk.jfr.internal.OldObjectSample;
 import jdk.jfr.internal.util.Utils;
 import jdk.jfr.internal.query.Configuration;
@@ -62,6 +65,10 @@ public class DCmdView extends AbstractDCmd {
             Utils.waitFlush(10_000);
             configuration.endTime = Instant.now();
         }
+
+        if (Logger.shouldLog(LogTag.JFR_DCMD, LogLevel.DEBUG)) {
+            Logger.log(LogTag.JFR_DCMD, LogLevel.DEBUG, "JFR.view time range: " + configuration.startTime + " - " + configuration.endTime);
+        }
         try (QueryRecording recording = new QueryRecording(configuration, parser)) {
             ViewPrinter printer = new ViewPrinter(configuration, recording.getStream());
             printer.execute(view);
diff --git a/test/jdk/jdk/jfr/jcmd/TestJcmdView.java b/test/jdk/jdk/jfr/jcmd/TestJcmdView.java
index 29bf1c22743..bf3e3f6ba88 100644
--- a/test/jdk/jdk/jfr/jcmd/TestJcmdView.java
+++ b/test/jdk/jdk/jfr/jcmd/TestJcmdView.java
@@ -39,7 +39,7 @@ import jdk.test.lib.process.OutputAnalyzer;
  *           & vm.opt.ExplicitGCInvokesConcurrent != false
  * @library /test/lib /test/jdk
  * @run main/othervm -XX:-ExplicitGCInvokesConcurrent -XX:-DisableExplicitGC
- *                   -XX:+UseG1GC jdk.jfr.jcmd.TestJcmdView
+ *                   -XX:+UseG1GC -Xlog:jfr+dcmd=debug -Xlog:jfr+system+parser=info jdk.jfr.jcmd.TestJcmdView
  */
 public class TestJcmdView {
     private static volatile Instant lastTimestamp;
@@ -94,7 +94,7 @@ public class TestJcmdView {
             jvmInformation.await();
             systemGC.await();
             gcHeapSummary.await();
-            oldCollection.countDown();
+            oldCollection.await();
             // Wait for Instant.now() to advance 1 s past the last event timestamp.
             // The rationale for this is twofold:
             // - DcmdView starts one second before Instant.now() (to make the command
@@ -105,12 +105,14 @@ public class TestJcmdView {
             while (Instant.now().isBefore(end)) {
                 Thread.sleep(10);
             }
+            System.out.println("Time before testEventType() " + Instant.now());
             // Test events that are in the current chunk
             testEventType();
             testFormView();
             testTableView();
             rs.disable("jdk.JVMInformation");
             // Force chunk rotation
+            System.out.println("About to rotate chunk");
             rotate();
             // Test events that are NOT in current chunk
             testEventType();