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/*
* Copyright (c) 2015, 2016, 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.
*/
/*
* @test
* @bug 8025692
* @modules java.base/jdk.internal.misc
* java.management
* @library /test/lib
* @compile TestLogTouchedMethods.java PrintTouchedMethods.java
* @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+LogTouchedMethods PrintTouchedMethods
*/
import java.io.File;
import java.util.List;
import jdk.test.lib.process.ProcessTools;
import jdk.test.lib.process.OutputAnalyzer;
import jdk.test.lib.JDKToolFinder;
public class PrintTouchedMethods {
public static void main(String args[]) throws Exception {
ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
"-XX:-UnlockDiagnosticVMOptions",
"-XX:+LogTouchedMethods",
"-XX:+PrintTouchedMethodsAtExit",
"TestLogTouchedMethods");
// UnlockDiagnostic turned off, should fail
OutputAnalyzer output = new OutputAnalyzer(pb.start());
output.shouldContain("Error: VM option 'LogTouchedMethods' is diagnostic and must be enabled via -XX:+UnlockDiagnosticVMOptions.");
output.shouldContain("Error: Could not create the Java Virtual Machine.");
pb = ProcessTools.createJavaProcessBuilder(
"-XX:+UnlockDiagnosticVMOptions",
"-XX:+LogTouchedMethods",
"-XX:+PrintTouchedMethodsAtExit",
"TestLogTouchedMethods");
output = new OutputAnalyzer(pb.start());
// check order:
// 1 "# Method::print_touched_methods version 1" is the first in first line
// 2 should contain TestLogMethods.methodA:()V
// 3 should not contain TestLogMethods.methodB:()V
// Repeat above for another run with -Xint
List<String> lines = output.asLines();
if (lines.size() < 1) {
throw new Exception("Empty output");
}
String first = lines.get(0);
if (!first.equals("# Method::print_touched_methods version 1")) {
throw new Exception("First line mismatch");
}
output.shouldContain("TestLogTouchedMethods.methodA:()V");
output.shouldNotContain("TestLogTouchedMethods.methodB:()V");
output.shouldHaveExitValue(0);
pb = ProcessTools.createJavaProcessBuilder(
"-XX:+UnlockDiagnosticVMOptions",
"-Xint",
"-XX:+LogTouchedMethods",
"-XX:+PrintTouchedMethodsAtExit",
"TestLogTouchedMethods");
output = new OutputAnalyzer(pb.start());
lines = output.asLines();
if (lines.size() < 1) {
throw new Exception("Empty output");
}
first = lines.get(0);
if (!first.equals("# Method::print_touched_methods version 1")) {
throw new Exception("First line mismatch");
}
output.shouldContain("TestLogTouchedMethods.methodA:()V");
output.shouldNotContain("TestLogTouchedMethods.methodB:()V");
output.shouldHaveExitValue(0);
pb = ProcessTools.createJavaProcessBuilder(
"-XX:+UnlockDiagnosticVMOptions",
"-Xint",
"-XX:+LogTouchedMethods",
"-XX:+PrintTouchedMethodsAtExit",
"-XX:-TieredCompilation",
"TestLogTouchedMethods");
output = new OutputAnalyzer(pb.start());
lines = output.asLines();
if (lines.size() < 1) {
throw new Exception("Empty output");
}
first = lines.get(0);
if (!first.equals("# Method::print_touched_methods version 1")) {
throw new Exception("First line mismatch");
}
output.shouldContain("TestLogTouchedMethods.methodA:()V");
output.shouldNotContain("TestLogTouchedMethods.methodB:()V");
output.shouldHaveExitValue(0);
// Test jcmd PrintTouchedMethods VM.print_touched_methods
String pid = Long.toString(ProcessTools.getProcessId());
pb = new ProcessBuilder();
pb.command(new String[] {JDKToolFinder.getJDKTool("jcmd"), pid, "VM.print_touched_methods"});
output = new OutputAnalyzer(pb.start());
try {
output.shouldContain("PrintTouchedMethods.main:([Ljava/lang/String;)V");
} catch (RuntimeException e) {
output.shouldContain("Unknown diagnostic command");
}
}
}
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