/* * Copyright (c) 2017, 2022, 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 8192985 * @summary Test the clhsdb 'printas' command * @requires vm.hasSA * @library /test/lib * @run main/othervm ClhsdbPrintAs */ import java.util.HashMap; import java.util.List; import java.util.Map; import java.util.ArrayList; import jdk.test.lib.apps.LingeredApp; import jtreg.SkippedException; public class ClhsdbPrintAs { public static void main(String[] args) throws Exception { System.out.println("Starting the ClhsdbPrintAs test"); LingeredApp theApp = null; try { ClhsdbLauncher test = new ClhsdbLauncher(); theApp = LingeredApp.startApp(); System.out.println("Started LingeredApp with pid " + theApp.getPid()); // Run the 'jstack -v' command to get the address of the Method* // representing LingeredApp.steadyState List cmds = List.of("jstack -v"); Map> expStrMap; String jstackOutput = test.run(theApp.getPid(), cmds, null, null); String[] snippets = jstackOutput.split("LingeredApp.steadyState"); String addressString = null; String[] tokens = snippets[1].split("Method\\*="); String[] words = tokens[1].split(" "); addressString = words[0]; cmds = new ArrayList(); expStrMap = new HashMap<>(); String cmd = "printas Method " + addressString; cmds.add(cmd); expStrMap.put(cmd, List.of ("ConstMethod", "MethodCounters", "Method::_access_flags")); // Run the printas Method command to obtain the address // of ConstMethod* String methodDetailsOutput = test.run(theApp.getPid(), cmds, expStrMap, null); snippets = methodDetailsOutput.split("ConstMethod*"); tokens = snippets[1].split(" "); for (String token : tokens) { if (token.contains("0x")) { addressString = token.replace("\n", ""); break; } } cmds = new ArrayList(); expStrMap = new HashMap<>(); cmd = "printas ConstMethod " + addressString; cmds.add(cmd); expStrMap.put(cmd, List.of ("ConstantPool", "_max_locals", "_flags")); // Run the printas constMethod command to obtain the address // of ConstantPool* String constMethodDetailsOutput = test.run(theApp.getPid(), cmds, expStrMap, null); snippets = constMethodDetailsOutput.split("ConstantPool*"); tokens = snippets[1].split(" "); for (String token : tokens) { if (token.contains("0x")) { addressString = token.replace("\n", ""); break; } } cmds = new ArrayList(); expStrMap = new HashMap<>(); cmd = "printas ConstantPool " + addressString; cmds.add(cmd); expStrMap.put(cmd, List.of ("ConstantPoolCache", "_pool_holder", "InstanceKlass*")); test.run(theApp.getPid(), cmds, expStrMap, null); } catch (SkippedException e) { throw e; } catch (Exception ex) { throw new RuntimeException("Test ERROR " + ex, ex); } finally { LingeredApp.stopApp(theApp); } System.out.println("Test PASSED"); } }