8329138: Convert JFR FileForceEvent to static mirror event
Reviewed-by: alanb, egahlin
This commit is contained in:
parent
2cc8eccb36
commit
f4caac8dea
src
java.base
share/classes
jdk/internal/event
sun/nio/ch
unix/classes/sun/nio/fs
windows/classes/sun/nio
jdk.jfr/share/classes/jdk/jfr
test/jdk/jdk/jfr/event/io
@ -0,0 +1,110 @@
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/*
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* Copyright (c) 2024, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package jdk.internal.event;
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/**
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* A JFR event for forced updates written to files. This event is mirrored in
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* {@code jdk.jfr.events.FileForceEvent } where the event annotations are
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* provided. Some of the methods are replaced by generated
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* methods when jfr is enabled. Note that the order of the arguments of the
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* {@link #commit(long, long, String, boolean)} method
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* must be the same as the order of the fields.
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*/
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public class FileForceEvent extends Event {
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// THE ORDER OF THE FOLLOWING FIELDS IS IMPORTANT!
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// The order must match the argument order of the generated commit method.
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public String path;
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public boolean metaData;
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/**
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* Helper method to offer the data needed to potentially commit an event.
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* The duration of the operation is computed using the current
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* timestamp and the given start time. If the duration is meets
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* or exceeds the configured value (determined by calling the generated method
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* {@link #shouldCommit(long)}), an event will be emitted by calling
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* {@link #commit(long, long, String, boolean)}.
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*
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* @param start timestamp of the start of the operation
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* @param path the full pathname of the file
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* @param metaData true if the file metadata is updated
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*/
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public static void offer(long start, String path, boolean metaData) {
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long duration = timestamp() - start;
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if (shouldCommit(duration)) {
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commit(start, duration, path, metaData);
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}
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}
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/**
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* Actually commit an event. The implementation is generated automatically.
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* The order of the fields must be the same as the parameters in this method.
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*
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* @param start timestamp of the start of the operation
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* @param duration time in nanoseconds to complete the operation
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* @param path the full pathname of the file
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* @param metaData true if the file metadata is updated
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*/
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public static void commit(long start, long duration, String path, boolean metaData) {
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// Generated by JFR
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}
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/**
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* Determine if an event should be emitted. The duration of the operation
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* must exceed some threshold in order to commit the event. The implementation
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* of this method is generated automatically if jfr is enabled.
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*
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* @param duration time in nanoseconds to complete the operation
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* @return true if the event should be commited
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*/
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public static boolean shouldCommit(long duration) {
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// Generated by JFR
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return false;
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}
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/**
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* Determine if this kind of event is enabled. The implementation
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* of this method is generated automatically if jfr is enabled.
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*
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* @return true if this type of event is enabled, false otherwise
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*/
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public static boolean enabled() {
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// Generated by JFR
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return false;
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}
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/**
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* Fetch the current timestamp in nanoseconds. This method is used
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* to determine the start and end of an operation. The implementation
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* of this method is generated automatically if jfr is enabled.
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*
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* @return the current timestamp value
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*/
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public static long timestamp() {
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// Generated by JFR
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return 0L;
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}
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}
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@ -50,6 +50,7 @@ import java.util.Objects;
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import jdk.internal.access.JavaIOFileDescriptorAccess;
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import jdk.internal.access.SharedSecrets;
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import jdk.internal.event.FileForceEvent;
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import jdk.internal.foreign.MemorySessionImpl;
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import jdk.internal.foreign.SegmentFactories;
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import jdk.internal.misc.Blocker;
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@ -486,8 +487,7 @@ public class FileChannelImpl
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}
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}
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@Override
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public void force(boolean metaData) throws IOException {
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private void implForce(boolean metaData) throws IOException {
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ensureOpen();
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int rv = -1;
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int ti = -1;
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@ -511,6 +511,17 @@ public class FileChannelImpl
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}
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}
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@Override
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public void force(boolean metaData) throws IOException {
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if (!FileForceEvent.enabled()) {
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implForce(metaData);
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return;
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}
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long start = FileForceEvent.timestamp();
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implForce(metaData);
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FileForceEvent.offer(start, path, metaData);
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}
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// Assume at first that the underlying kernel supports sendfile/equivalent;
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// set this to true if we find out later that it doesn't
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//
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@ -1,5 +1,5 @@
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/*
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* Copyright (c) 2008, 2022, Oracle and/or its affiliates. All rights reserved.
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* Copyright (c) 2008, 2024, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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@ -25,6 +25,8 @@
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package sun.nio.ch;
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import jdk.internal.event.FileForceEvent;
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import java.nio.channels.*;
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import java.util.concurrent.*;
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import java.nio.ByteBuffer;
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@ -50,19 +52,25 @@ public class SimpleAsynchronousFileChannelImpl
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// Used to make native read and write calls
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private static final FileDispatcher nd = new FileDispatcherImpl();
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// file path
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private final String path;
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// Thread-safe set of IDs of native threads, for signalling
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private final NativeThreadSet threads = new NativeThreadSet(2);
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SimpleAsynchronousFileChannelImpl(FileDescriptor fdObj,
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String path,
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boolean reading,
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boolean writing,
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ExecutorService executor)
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{
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super(fdObj, reading, writing, executor);
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this.path = path;
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}
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public static AsynchronousFileChannel open(FileDescriptor fdo,
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String path,
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boolean reading,
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boolean writing,
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ThreadPool pool)
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@ -70,7 +78,7 @@ public class SimpleAsynchronousFileChannelImpl
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// Executor is either default or based on pool parameters
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ExecutorService executor = (pool == null) ?
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DefaultExecutorHolder.defaultExecutor : pool.executor();
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return new SimpleAsynchronousFileChannelImpl(fdo, reading, writing, executor);
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return new SimpleAsynchronousFileChannelImpl(fdo, path, reading, writing, executor);
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}
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@Override
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@ -151,8 +159,7 @@ public class SimpleAsynchronousFileChannelImpl
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}
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}
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@Override
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public void force(boolean metaData) throws IOException {
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private void implForce(boolean metaData) throws IOException {
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int ti = threads.add();
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try {
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int n = 0;
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@ -169,6 +176,17 @@ public class SimpleAsynchronousFileChannelImpl
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}
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}
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@Override
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public void force(boolean metaData) throws IOException {
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if (!FileForceEvent.enabled()) {
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implForce(metaData);
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return;
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}
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long start = FileForceEvent.timestamp();
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implForce(metaData);
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FileForceEvent.offer(start, path, metaData);
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}
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@Override
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<A> Future<FileLock> implLock(final long position,
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final long size,
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@ -168,7 +168,7 @@ class UnixChannelFactory {
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// for now use simple implementation
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FileDescriptor fdObj = open(-1, path, null, flags, mode);
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return SimpleAsynchronousFileChannelImpl.open(fdObj, flags.read, flags.write, pool);
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return SimpleAsynchronousFileChannelImpl.open(fdObj, path.toString(), flags.read, flags.write, pool);
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}
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/**
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@ -1,5 +1,5 @@
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/*
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* Copyright (c) 2008, 2022, Oracle and/or its affiliates. All rights reserved.
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* Copyright (c) 2008, 2024, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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@ -33,6 +33,7 @@ import java.io.IOException;
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import java.io.FileDescriptor;
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import jdk.internal.access.SharedSecrets;
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import jdk.internal.access.JavaIOFileDescriptorAccess;
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import jdk.internal.event.FileForceEvent;
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/**
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* Windows implementation of AsynchronousFileChannel using overlapped I/O.
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@ -63,6 +64,9 @@ public class WindowsAsynchronousFileChannelImpl
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// Used for force/truncate/size methods
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private static final FileDispatcher nd = new FileDispatcherImpl();
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// file path
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private final String path;
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// The handle is extracted for use in native methods invoked from this class.
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private final long handle;
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@ -79,6 +83,7 @@ public class WindowsAsynchronousFileChannelImpl
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private WindowsAsynchronousFileChannelImpl(FileDescriptor fdObj,
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String path,
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boolean reading,
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boolean writing,
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Iocp iocp,
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@ -86,6 +91,7 @@ public class WindowsAsynchronousFileChannelImpl
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throws IOException
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{
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super(fdObj, reading, writing, iocp.executor());
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this.path = path;
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this.handle = fdAccess.getHandle(fdObj);
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this.iocp = iocp;
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this.isDefaultIocp = isDefaultIocp;
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@ -94,6 +100,7 @@ public class WindowsAsynchronousFileChannelImpl
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}
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public static AsynchronousFileChannel open(FileDescriptor fdo,
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String path,
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boolean reading,
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boolean writing,
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ThreadPool pool)
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@ -109,8 +116,7 @@ public class WindowsAsynchronousFileChannelImpl
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isDefaultIocp = false;
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}
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try {
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return new
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WindowsAsynchronousFileChannelImpl(fdo, reading, writing, iocp, isDefaultIocp);
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return new WindowsAsynchronousFileChannelImpl(fdo, path, reading, writing, iocp, isDefaultIocp);
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} catch (IOException x) {
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// error binding to port so need to close it (if created for this channel)
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if (!isDefaultIocp)
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@ -196,8 +202,7 @@ public class WindowsAsynchronousFileChannelImpl
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return this;
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}
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@Override
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public void force(boolean metaData) throws IOException {
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private void implForce(boolean metaData) throws IOException {
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try {
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begin();
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nd.force(fdObj, metaData);
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@ -206,6 +211,17 @@ public class WindowsAsynchronousFileChannelImpl
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}
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}
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@Override
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public void force(boolean metaData) throws IOException {
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if (!FileForceEvent.enabled()) {
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implForce(metaData);
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return;
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}
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long start = FileForceEvent.timestamp();
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implForce(metaData);
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FileForceEvent.offer(start, path, metaData);
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}
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// -- file locking --
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/**
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@ -212,7 +212,7 @@ class WindowsChannelFactory {
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// create the AsynchronousFileChannel
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try {
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return WindowsAsynchronousFileChannelImpl.open(fdObj, flags.read, flags.write, pool);
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return WindowsAsynchronousFileChannelImpl.open(fdObj, pathForWindows, flags.read, flags.write, pool);
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} catch (IOException x) {
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// IOException is thrown if the file handle cannot be associated
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// with the completion port. All we can do is close the file.
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@ -1,5 +1,5 @@
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/*
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* Copyright (c) 2020, 2023, Oracle and/or its affiliates. All rights reserved.
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* Copyright (c) 2020, 2024, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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@ -30,5 +30,4 @@ import jdk.jfr.internal.event.EventConfiguration;
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public final class EventConfigurations {
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public static final EventConfiguration FILE_READ = JVMSupport.getConfiguration(FileReadEvent.class);
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public static final EventConfiguration FILE_WRITE = JVMSupport.getConfiguration(FileWriteEvent.class);
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public static final EventConfiguration FILE_FORCE = JVMSupport.getConfiguration(FileForceEvent.class);
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}
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@ -1,5 +1,5 @@
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/*
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* Copyright (c) 2017, 2022, Oracle and/or its affiliates. All rights reserved.
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* Copyright (c) 2017, 2024, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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@ -29,13 +29,14 @@ import jdk.jfr.Category;
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import jdk.jfr.Description;
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import jdk.jfr.Label;
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import jdk.jfr.Name;
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import jdk.jfr.internal.MirrorEvent;
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import jdk.jfr.internal.Type;
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@Name(Type.EVENT_NAME_PREFIX + "FileForce")
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@Label("File Force")
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@Category("Java Application")
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@Description("Force updates to be written to file")
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public final class FileForceEvent extends AbstractJDKEvent {
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public final class FileForceEvent extends MirrorEvent {
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// The order of these fields must be the same as the parameters in
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// commit(..., String, boolean)
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@ -48,7 +49,4 @@ public final class FileForceEvent extends AbstractJDKEvent {
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@Description("Whether the file metadata is updated")
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public boolean metaData;
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public static void commit(long start, long duration, String path, boolean metaData) {
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// Generated
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}
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}
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|
@ -1,5 +1,5 @@
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/*
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* Copyright (c) 2016, 2024, Oracle and/or its affiliates. All rights reserved.
|
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* Copyright (c) 2016, 2023, Oracle and/or its affiliates. All rights reserved.
|
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
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*
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* This code is free software; you can redistribute it and/or modify it
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@ -31,6 +31,7 @@ import jdk.jfr.events.DeserializationEvent;
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import jdk.jfr.events.ErrorThrownEvent;
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import jdk.jfr.events.ExceptionStatisticsEvent;
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import jdk.jfr.events.ExceptionThrownEvent;
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import jdk.jfr.events.FileForceEvent;
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import jdk.jfr.events.ProcessStartEvent;
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import jdk.jfr.events.SecurityPropertyModificationEvent;
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import jdk.jfr.events.SecurityProviderServiceEvent;
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@ -55,6 +56,7 @@ final class MirrorEvents {
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// Add mirror event mapping here. See MirrorEvent class for details.
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static {
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register("jdk.internal.event.DeserializationEvent", DeserializationEvent.class);
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register("jdk.internal.event.FileForceEvent", FileForceEvent.class);
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register("jdk.internal.event.ProcessStartEvent", ProcessStartEvent.class);
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register("jdk.internal.event.SecurityPropertyModificationEvent", SecurityPropertyModificationEvent.class);
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register("jdk.internal.event.SecurityProviderServiceEvent", SecurityProviderServiceEvent.class);
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|
@ -1,5 +1,5 @@
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/*
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* Copyright (c) 2013, 2022, Oracle and/or its affiliates. All rights reserved.
|
||||
* Copyright (c) 2013, 2024, Oracle and/or its affiliates. All rights reserved.
|
||||
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
||||
*
|
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* This code is free software; you can redistribute it and/or modify it
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@ -45,25 +45,6 @@ final class FileChannelImplInstrumentor {
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private String path;
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@JIInstrumentationMethod
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public void force(boolean metaData) throws IOException {
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EventConfiguration eventConfiguration = EventConfigurations.FILE_FORCE;
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if (!eventConfiguration.isEnabled()) {
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force(metaData);
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return;
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}
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long start = 0;
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try {
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start = EventConfiguration.timestamp();
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force(metaData);
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} finally {
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long duration = EventConfiguration.timestamp() - start;
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if (eventConfiguration.shouldCommit(duration)) {
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FileForceEvent.commit(start, duration, path, metaData);
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}
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}
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}
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@JIInstrumentationMethod
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public int read(ByteBuffer dst) throws IOException {
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EventConfiguration eventConfiguration = EventConfigurations.FILE_READ;
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|
@ -57,7 +57,6 @@ import jdk.internal.platform.Metrics;
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public final class JDKEvents {
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private static final Class<?>[] eventClasses = {
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FileForceEvent.class,
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FileReadEvent.class,
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FileWriteEvent.class,
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ActiveSettingEvent.class,
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@ -68,6 +67,7 @@ public final class JDKEvents {
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jdk.internal.event.ErrorThrownEvent.class,
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jdk.internal.event.ExceptionStatisticsEvent.class,
|
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jdk.internal.event.ExceptionThrownEvent.class,
|
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jdk.internal.event.FileForceEvent.class,
|
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jdk.internal.event.ProcessStartEvent.class,
|
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jdk.internal.event.SecurityPropertyModificationEvent.class,
|
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jdk.internal.event.SecurityProviderServiceEvent.class,
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|
@ -0,0 +1,75 @@
|
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/*
|
||||
* Copyright (c) 2024, Oracle and/or its affiliates. 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.
|
||||
*
|
||||
* 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 jdk.jfr.event.io;
|
||||
|
||||
import jdk.jfr.Recording;
|
||||
import jdk.jfr.consumer.RecordedEvent;
|
||||
import jdk.test.lib.Utils;
|
||||
import jdk.test.lib.jfr.Events;
|
||||
|
||||
import java.io.File;
|
||||
import java.nio.ByteBuffer;
|
||||
import java.nio.channels.AsynchronousFileChannel;
|
||||
import java.time.Duration;
|
||||
import java.util.ArrayList;
|
||||
import java.util.List;
|
||||
|
||||
import static java.nio.file.StandardOpenOption.READ;
|
||||
import static java.nio.file.StandardOpenOption.WRITE;
|
||||
|
||||
/**
|
||||
* @test
|
||||
* @key jfr
|
||||
* @requires vm.hasJFR
|
||||
* @library /test/lib /test/jdk
|
||||
* @run main/othervm jdk.jfr.event.io.TestAsynchronousFileChannelEvents
|
||||
*/
|
||||
public class TestAsynchronousFileChannelEvents {
|
||||
|
||||
public static void main(String[] args) throws Throwable {
|
||||
File tmp = Utils.createTempFile("TestAsynchronousFileChannelEvents", ".tmp").toFile();
|
||||
String s = "unremarkable data";
|
||||
ByteBuffer data = ByteBuffer.allocate(s.length());
|
||||
data.put(s.getBytes());
|
||||
|
||||
try (Recording recording = new Recording();
|
||||
AsynchronousFileChannel ch = AsynchronousFileChannel.open(tmp.toPath(), READ, WRITE)) {
|
||||
|
||||
List<IOEvent> expectedEvents = new ArrayList<>();
|
||||
recording.enable(IOEvent.EVENT_FILE_FORCE).withThreshold(Duration.ofMillis(0));
|
||||
recording.start();
|
||||
|
||||
data.flip();
|
||||
ch.write(data, 0).get();
|
||||
|
||||
// test force(boolean)
|
||||
ch.force(true);
|
||||
expectedEvents.add(IOEvent.createFileForceEvent(tmp));
|
||||
|
||||
recording.stop();
|
||||
List<RecordedEvent> events = Events.fromRecording(recording);
|
||||
IOHelper.verifyEqualsInOrder(events, expectedEvents);
|
||||
}
|
||||
}
|
||||
}
|
Loading…
x
Reference in New Issue
Block a user