104 lines
3.9 KiB
Java
104 lines
3.9 KiB
Java
/*
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* Copyright (c) 2005, 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.
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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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import java.util.Arrays;
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import java.nio.charset.Charset;
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import java.nio.charset.StandardCharsets;
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import jdk.test.lib.Utils;
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import jdk.test.lib.process.OutputAnalyzer;
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import jdk.test.lib.process.ProcessTools;
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import jdk.test.lib.JDKToolLauncher;
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import jtreg.SkippedException;
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/*
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* @test
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* @bug 8273187 8308033
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* @summary Unit test for jstack utility
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* @library /test/lib
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* @run main BasicJStackTest
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*/
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public class BasicJStackTest {
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private static ProcessBuilder processBuilder = new ProcessBuilder();
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public static void main(String[] args) throws Exception {
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if (Thread.currentThread().isVirtual()) {
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// This test runs jstack against the current process and then asserts the
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// presence of current thread in the stacktraces. We skip this test
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// when the current thread is a virtual thread since "jstack" command doesn't
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// print the stacktraces of virtual threads.
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throw new SkippedException("skipping test since current thread is a virtual thread");
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}
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testJstackNoArgs();
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testJstack_l();
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testJstackUTF8Encoding();
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}
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private static void testJstackNoArgs() throws Exception {
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String marker = "testJstackNoArgs";
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OutputAnalyzer output = jstack(marker);
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output.shouldHaveExitValue(0);
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output.shouldContain(marker);
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}
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private static void testJstack_l() throws Exception {
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String marker = "testJstack_l";
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OutputAnalyzer output = jstack(marker, "-l");
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output.shouldHaveExitValue(0);
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output.shouldContain(marker);
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}
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private static void testJstackUTF8Encoding() throws Exception {
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String marker = "markerName" + "\u00e4\u0bb5".repeat(60);
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OutputAnalyzer output = jstack(marker);
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output.shouldHaveExitValue(0);
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output.shouldContain(marker);
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}
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private static OutputAnalyzer jstack(String marker, String... toolArgs) throws Exception {
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Charset cs = StandardCharsets.UTF_8;
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Thread.currentThread().setName(marker);
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JDKToolLauncher launcher = JDKToolLauncher.createUsingTestJDK("jstack");
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launcher.addVMArgs(Utils.getFilteredTestJavaOpts("-XX:+UsePerfData"));
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launcher.addVMArg("-XX:+UsePerfData");
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launcher.addVMArg("-Dfile.encoding=" + cs);
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launcher.addVMArg("-Dsun.stdout.encoding=" + cs);
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if (toolArgs != null) {
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for (String toolArg : toolArgs) {
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launcher.addToolArg(toolArg);
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}
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}
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launcher.addToolArg(Long.toString(ProcessTools.getProcessId()));
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processBuilder.command(launcher.getCommand());
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System.out.println(Arrays.toString(processBuilder.command().toArray()).replace(",", ""));
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OutputAnalyzer output = ProcessTools.executeProcess(processBuilder, null, cs);
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System.out.println(output.getOutput());
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return output;
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}
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}
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