1 /*
   2  * Copyright (c) 2017, 2019, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 import java.util.HashMap;
  25 import java.util.List;
  26 import java.util.Map;
  27 
  28 import jdk.test.lib.apps.LingeredApp;
  29 import jtreg.SkippedException;
  30 
  31 /**
  32  * @test
  33  * @bug 8190198
  34  * @summary Test clhsdb printstatics command
  35  * @requires vm.hasSA
  36  * @library /test/lib
  37  * @run main/othervm ClhsdbPrintStatics
  38  */
  39 
  40 public class ClhsdbPrintStatics {
  41 
  42     public static void main(String[] args) throws Exception {
  43         System.out.println("Starting ClhsdbPrintStatics test");
  44 
  45         LingeredApp theApp = null;
  46         try {
  47             ClhsdbLauncher test = new ClhsdbLauncher();
  48             theApp = LingeredApp.startApp();
  49             System.out.println("Started LingeredApp with pid " + theApp.getPid());
  50 
  51             List<String> cmds = List.of(
  52                     "printstatics", "printstatics SystemDictionary",
  53                     "printstatics Threads", "printstatics Universe",
  54                     "printstatics JvmtiExport");
  55 
  56             Map<String, List<String>> expStrMap = new HashMap<>();
  57             expStrMap.put("printstatics", List.of(
  58                     "All known static fields",
  59                     "Abstract_VM_Version::_vm_major_version",
  60                     "ClassLoaderDataGraph::_head",
  61                     "JNIHandles::_weak_global_handles", "PerfMemory::_top",
  62                     "ObjectSynchronizer::gBlockList",
  63                     "java_lang_Class::_oop_size_offset",
  64                     "CodeCache::_scavenge_root_nmethods"));
  65             expStrMap.put("printstatics SystemDictionary", List.of(
  66                     "Static fields of SystemDictionary",
  67                     "SystemDictionary::Class_klass_knum",
  68                     "SystemDictionary::ClassLoader_klass_knum",
  69                     "SystemDictionary::Object_klass_knum"));
  70             expStrMap.put("printstatics Threads", List.of(
  71                     "Static fields of Threads",
  72                     "_number_of_threads", "_number_of_non_daemon_threads",
  73                     "JavaThread\\* Threads"));
  74             expStrMap.put("printstatics Universe", List.of(
  75                     "Static fields of Universe",
  76                     "uintptr_t Universe::_verify_oop_mask",
  77                     "intptr_t Universe::_non_oop_bits",
  78                     "bool Universe::_fully_initialized"));
  79             expStrMap.put("printstatics JvmtiExport", List.of(
  80                     "Static fields of JvmtiExport",
  81                     "bool JvmtiExport::_can_access_local_variables",
  82                     "bool JvmtiExport::_can_hotswap_or_post_breakpoint",
  83                     "bool JvmtiExport::_can_post_on_exceptions"));
  84 
  85             test.run(theApp.getPid(), cmds, expStrMap, null);
  86         } catch (SkippedException se) {
  87             throw se;
  88         } catch (Exception ex) {
  89             throw new RuntimeException("Test ERROR " + ex, ex);
  90         } finally {
  91             LingeredApp.stopApp(theApp);
  92         }
  93         System.out.println("Test PASSED");
  94     }
  95 }