org.openjdk.jmh.Main Maven / Gradle / Ivy
/*
* Copyright (c) 2005, 2013, 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. 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 org.openjdk.jmh;
import org.openjdk.jmh.runner.*;
import org.openjdk.jmh.runner.options.CommandLineOptionException;
import org.openjdk.jmh.runner.options.CommandLineOptions;
import org.openjdk.jmh.runner.options.VerboseMode;
import java.io.IOException;
/**
* Main program entry point
*/
public class Main {
public static void main(String[] argv) throws RunnerException, IOException {
try {
CommandLineOptions cmdOptions = new CommandLineOptions(argv);
Runner runner = new Runner(cmdOptions);
if (cmdOptions.shouldHelp()) {
cmdOptions.showHelp();
return;
}
if (cmdOptions.shouldList()) {
runner.list();
return;
}
if (cmdOptions.shouldListWithParams()) {
runner.listWithParams(cmdOptions);
return;
}
if (cmdOptions.shouldListProfilers()) {
cmdOptions.listProfilers();
return;
}
if (cmdOptions.shouldListResultFormats()) {
cmdOptions.listResultFormats();
return;
}
try {
runner.run();
} catch (NoBenchmarksException e) {
System.err.println("No matching benchmarks. Miss-spelled regexp?");
if (cmdOptions.verbosity().orElse(Defaults.VERBOSITY) != VerboseMode.EXTRA) {
System.err.println("Use " + VerboseMode.EXTRA + " verbose mode to debug the pattern matching.");
} else {
runner.list();
}
System.exit(1);
} catch (ProfilersFailedException e) {
// This is not exactly an error, set non-zero exit code
System.err.println(e.getMessage());
System.exit(1);
} catch (RunnerException e) {
System.err.print("ERROR: ");
e.printStackTrace(System.err);
System.exit(1);
}
} catch (CommandLineOptionException e) {
System.err.println("Error parsing command line:");
System.err.println(" " + e.getMessage());
System.exit(1);
}
}
}