src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.debug/src/org/graalvm/compiler/debug/IgvDumpChannel.java
8234541: C1 emits an empty message when it inlines successfully
Summary: Use "inline" as the message when successfull
Reviewed-by: thartmann, mdoerr
Contributed-by: navy.xliu@gmail.com
/*
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* 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.
*
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package org.graalvm.compiler.debug;
import static org.graalvm.compiler.debug.DebugOptions.PrintGraphHost;
import static org.graalvm.compiler.debug.DebugOptions.PrintGraphPort;
import java.io.File;
import java.io.IOException;
import java.io.InterruptedIOException;
import java.net.InetSocketAddress;
import java.nio.ByteBuffer;
import java.nio.channels.ClosedByInterruptException;
import java.nio.channels.FileChannel;
import java.nio.channels.SocketChannel;
import java.nio.channels.WritableByteChannel;
import java.nio.file.Path;
import java.nio.file.StandardOpenOption;
import java.util.function.Supplier;
import org.graalvm.compiler.debug.DebugOptions.PrintGraphTarget;
import org.graalvm.compiler.options.OptionValues;
import jdk.vm.ci.common.NativeImageReinitialize;
final class IgvDumpChannel implements WritableByteChannel {
private final Supplier<Path> pathProvider;
private final OptionValues options;
private WritableByteChannel sharedChannel;
private boolean closed;
IgvDumpChannel(Supplier<Path> pathProvider, OptionValues options) {
this.pathProvider = pathProvider;
this.options = options;
}
@Override
public int write(ByteBuffer src) throws IOException {
WritableByteChannel channel = channel();
return channel == null ? 0 : channel.write(src);
}
@Override
public boolean isOpen() {
return !closed;
}
@Override
public void close() throws IOException {
}
void realClose() throws IOException {
closed = true;
if (sharedChannel != null) {
sharedChannel.close();
sharedChannel = null;
}
}
WritableByteChannel channel() throws IOException {
if (closed) {
throw new IOException();
}
if (sharedChannel == null) {
PrintGraphTarget target = DebugOptions.PrintGraph.getValue(options);
if (target == PrintGraphTarget.File) {
sharedChannel = createFileChannel(pathProvider, null);
} else if (target == PrintGraphTarget.Network) {
sharedChannel = createNetworkChannel(pathProvider, options);
} else {
TTY.println("WARNING: Graph dumping requested but value of %s option is %s", DebugOptions.PrintGraph.getName(), PrintGraphTarget.Disable);
}
}
return sharedChannel;
}
private static WritableByteChannel createNetworkChannel(Supplier<Path> pathProvider, OptionValues options) throws IOException {
String host = PrintGraphHost.getValue(options);
int port = PrintGraphPort.getValue(options);
try {
WritableByteChannel channel = SocketChannel.open(new InetSocketAddress(host, port));
String targetAnnouncement = String.format("Connected to the IGV on %s:%d", host, port);
maybeAnnounceTarget(targetAnnouncement);
return channel;
} catch (ClosedByInterruptException | InterruptedIOException e) {
/*
* Interrupts should not count as errors because they may be caused by a cancelled Graal
* compilation. ClosedByInterruptException occurs if the SocketChannel could not be
* opened. InterruptedIOException occurs if new Socket(..) was interrupted.
*/
return null;
} catch (IOException e) {
String networkFailure = String.format("Could not connect to the IGV on %s:%d", host, port);
if (pathProvider != null) {
return createFileChannel(pathProvider, networkFailure);
} else {
throw new IOException(networkFailure, e);
}
}
}
@NativeImageReinitialize private static String lastTargetAnnouncement;
private static void maybeAnnounceTarget(String targetAnnouncement) {
if (!targetAnnouncement.equals(lastTargetAnnouncement)) {
// Ignore races - an extra announcement is ok
lastTargetAnnouncement = targetAnnouncement;
TTY.println(targetAnnouncement);
}
}
private static WritableByteChannel createFileChannel(Supplier<Path> pathProvider, String networkFailure) throws IOException {
Path path = pathProvider.get();
try {
FileChannel channel = FileChannel.open(path, StandardOpenOption.WRITE, StandardOpenOption.CREATE);
File dir = path.toFile();
if (!dir.isDirectory()) {
dir = dir.getParentFile();
}
if (networkFailure == null) {
maybeAnnounceTarget("Dumping IGV graphs in " + dir);
} else {
maybeAnnounceTarget(networkFailure + ". Dumping IGV graphs in " + dir);
}
return channel;
} catch (IOException e) {
throw new IOException(String.format("Failed to open %s to dump IGV graphs", path), e);
}
}
}