style

Author: roberttoyonaga

substratevm/src/com.oracle.svm.core/src/com/oracle/svm/core/jfr/JfrChunkWriter.java

@@ -47,6 +47,7 @@ public interface JfrChunkWriter extends JfrUnlockedChunkWriter {
     void markChunkFinal();
 
     void closeFile();
+
     void closeFileForEmergencyDump();
 
     void setMetadata(byte[] bytes);

substratevm/src/com.oracle.svm.core/src/com/oracle/svm/core/jfr/JfrEmergencyDumpFeature.java

@@ -34,7 +34,8 @@
 import org.graalvm.nativeimage.ImageSingletons;
 
 /**
- * The JFR emergency dump mechanism uses platform-specific implementations (see {@link JfrEmergencyDumpSupport}).
+ * The JFR emergency dump mechanism uses platform-specific implementations (see
+ * {@link JfrEmergencyDumpSupport}).
  */
 @AutomaticallyRegisteredFeature
 public class JfrEmergencyDumpFeature implements InternalFeature {

substratevm/src/com.oracle.svm.core/src/com/oracle/svm/core/jfr/JfrEmergencyDumpSupport.java

@@ -30,6 +30,7 @@
 import org.graalvm.nativeimage.ImageSingletons;
 
 import jdk.graal.compiler.api.replacements.Fold;
+
 public interface JfrEmergencyDumpSupport {
     @Fold
     static boolean isPresent() {
@@ -42,10 +43,16 @@ static JfrEmergencyDumpSupport singleton() {
     }
 
     void initialize();
+
     void setRepositoryLocation(String dirText);
+
     void setDumpPath(String dumpPathText);
+
     String getDumpPath();
+
     RawFileOperationSupport.RawFileDescriptor chunkPath();
+
     void onVmError();
+
     void teardown();
 }

substratevm/src/com.oracle.svm.core/src/com/oracle/svm/core/jfr/JfrFeature.java

@@ -154,7 +154,7 @@ private static HotSpotDiagnosticMXBean getDiagnosticBean() {
 
     @Override
     public List<Class<? extends Feature>> getRequiredFeatures() {
-        return  Arrays.asList(ThreadListenerSupportFeature.class, JfrEmergencyDumpFeature.class);
+        return Arrays.asList(ThreadListenerSupportFeature.class, JfrEmergencyDumpFeature.class);
     }
 
     @Override

substratevm/src/com.oracle.svm.core/src/com/oracle/svm/core/jfr/JfrGCWhenSerializer.java

@@ -29,6 +29,7 @@
 
 public class JfrGCWhenSerializer implements JfrSerializer {
     private JfrGCWhen[] values;
+
     @Platforms(Platform.HOSTED_ONLY.class)
     public JfrGCWhenSerializer() {
         values = JfrGCWhen.values();

substratevm/src/com.oracle.svm.core/src/com/oracle/svm/core/jfr/JfrNmtCategorySerializer.java

@@ -33,6 +33,7 @@
 
 public class JfrNmtCategorySerializer implements JfrSerializer {
     private NmtCategory[] nmtCategories;
+
     @Platforms(Platform.HOSTED_ONLY.class)
     public JfrNmtCategorySerializer() {
         nmtCategories = NmtCategory.values();

substratevm/src/com.oracle.svm.core/src/com/oracle/svm/core/jfr/JfrSymbolRepository.java

@@ -95,7 +95,6 @@ public long getSymbolId(String imageHeapString, boolean previousEpoch, boolean r
         return getSymbolId(buffer, WordFactory.unsigned(length), hash, previousEpoch);
     }
 
-
     @Uninterruptible(reason = "Locking without transition and result is only valid until epoch changes.", callerMustBe = true)
     public long getSymbolId(PointerBase buffer, UnsignedWord length, int hash, boolean previousEpoch) {
         com.oracle.svm.core.util.VMError.guarantee(buffer.isNonNull());
@@ -181,10 +180,13 @@ private interface JfrSymbol extends UninterruptibleEntry {
 
         @RawField
         void setLength(UnsignedWord value);
+
         @RawField
         UnsignedWord getLength();
+
         @RawField
         void setModifiedUTF8(PointerBase value);
+
         @RawField
         PointerBase getModifiedUTF8();
     }

substratevm/src/com.oracle.svm.core/src/com/oracle/svm/core/jfr/events/ShutdownEvent.java

@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2025, 2025, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2025, 2025, Red Hat Inc. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package com.oracle.svm.core.src.com.oracle.svm.core.jfr.events;
+
+import com.oracle.svm.core.Uninterruptible;
+import com.oracle.svm.core.jfr.HasJfrSupport;
+import com.oracle.svm.core.jfr.JfrEvent;
+import com.oracle.svm.core.jfr.JfrNativeEventWriter;
+import com.oracle.svm.core.jfr.JfrNativeEventWriterData;
+import com.oracle.svm.core.jfr.JfrNativeEventWriterDataAccess;
+import com.oracle.svm.core.jfr.JfrTicks;
+import org.graalvm.nativeimage.StackValue;
+
+public class ShutdownEvent {
+    public static void emit(String reason, int recordingId) {
+        if (HasJfrSupport.get()) {
+            emit0(reason, recordingId);
+        }
+    }
+
+    @Uninterruptible(reason = "Accesses a JFR buffer.")
+    private static void emit0(String reason, int recordingId) {
+        if (JfrEvent.DumpReason.shouldEmit()) {
+            JfrNativeEventWriterData data = StackValue.get(JfrNativeEventWriterData.class);
+            JfrNativeEventWriterDataAccess.initializeThreadLocalNativeBuffer(data);
+
+            JfrNativeEventWriter.beginSmallEvent(data, JfrEvent.DumpReason);
+            JfrNativeEventWriter.putLong(data, JfrTicks.elapsedTicks());
+            JfrNativeEventWriter.putString(data, reason);
+            JfrNativeEventWriter.putInt(data, recordingId);
+            JfrNativeEventWriter.endSmallEvent(data);
+        }
+    }
+}

substratevm/src/com.oracle.svm.core/src/com/oracle/svm/core/util/PlatformTimeUtils.java

@@ -74,10 +74,13 @@ public long nanosNow() {
     public interface SecondsNanos extends PointerBase {
         @RawField
         void setNanos(long value);
+
         @RawField
         long getNanos();
+
         @RawField
         void setSeconds(long value);
+
         @RawField
         long getSeconds();
     }

substratevm/src/com.oracle.svm.test/src/com/oracle/svm/test/jfr/utils/poolparsers/ConstantPoolParser.java

@@ -71,7 +71,7 @@ public void compareFoundAndExpectedIds() {
         missingIds.removeAll(foundIds);
 
         if (!missingIds.isEmpty()) {
-            Assert.fail("Error during parsing " +  this.getClass().getName() + " constant pool! Missing IDs: " + missingIds + ". Expected IDs: " + expectedIds + ". Found IDs: " + foundIds);
+            Assert.fail("Error during parsing " + this.getClass().getName() + " constant pool! Missing IDs: " + missingIds + ". Expected IDs: " + expectedIds + ". Found IDs: " + foundIds);
         }
     }