/*
* Copyright ( c ) 2021 , 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.startupargs;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import jdk.test.lib.process.OutputAnalyzer;
import jdk.test.lib.process.ProcessTools;
/**
* @ test
* @ key jfr
* @ requires vm . hasJFR
* @ library / test / lib / test / jdk
* @ run main jdk . jfr . startupargs . TestStartupMessage
*/
public class TestStartupMessage {
public static class TestMessage {
public static void main(String[] args) throws Exception {
}
}
public static void main(String[] args) throws Exception {
startJfrJvm("-Xlog:jfr+startup=off" )
.shouldNotContain("[jfr,startup" )
.shouldNotContain("Started recording" )
.shouldNotContain("Use jcmd" );
startJfrJvm("-Xlog:jfr+startup=error" )
.shouldNotContain("[jfr,startup" )
.shouldNotContain("Started recording" )
.shouldNotContain("Use jcmd" );
// Known limitation.
// Can't turn off log with -Xlog:jfr+startup=warning
startJfrJvm()
.shouldContain("[info][jfr,startup" )
.shouldContain("Started recording" )
.shouldContain("Use jcmd" );
startJfrJvm("-Xlog:jfr+startup=info" )
.shouldContain("[info][jfr,startup" )
.shouldContain("Started recording" )
.shouldContain("Use jcmd" );
}
private static OutputAnalyzer startJfrJvm(String... args) throws Exception {
List<String> commands = new ArrayList<>(Arrays.asList(args));
commands.add("-XX:StartFlightRecording" );
commands.add(TestMessage.class .getName());
ProcessBuilder pb = ProcessTools.createTestJvm(commands);
OutputAnalyzer out = ProcessTools.executeProcess(pb);
out.shouldHaveExitValue(0 );
return out;
}
}
Messung V0.5 in Prozent C=96 H=76 G=86
¤ Dauer der Verarbeitung: 0.12 Sekunden
(vorverarbeitet am 2026-06-10)
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