1 /* 2 * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved. 3 * Copyright (c) 2018, SAP and/or its affiliates. 4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 5 * 6 * This code is free software; you can redistribute it and/or modify it 7 * under the terms of the GNU General Public License version 2 only, as 8 * published by the Free Software Foundation. 9 * 10 * This code is distributed in the hope that it will be useful, but WITHOUT 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 13 * version 2 for more details (a copy is included in the LICENSE file that 14 * accompanied this code). 15 * 16 * You should have received a copy of the GNU General Public License version 17 * 2 along with this work; if not, write to the Free Software Foundation, 18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 19 * 20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 21 * or visit www.oracle.com if you need additional information or have any 22 * questions. 23 * 24 */ 25 26 #ifndef SHARE_MEMORY_METASPACE_METASPACEDCMD_HPP_ 27 #define SHARE_MEMORY_METASPACE_METASPACEDCMD_HPP_ 28 29 #include "services/diagnosticCommand.hpp" 30 31 class outputStream; 32 33 namespace metaspace { 34 35 class MetaspaceDCmd : public DCmdWithParser { 36 DCmdArgument<bool> _basic; 37 DCmdArgument<bool> _show_loaders; 38 DCmdArgument<bool> _by_spacetype; 39 DCmdArgument<bool> _by_chunktype; 40 DCmdArgument<bool> _show_vslist; 41 DCmdArgument<bool> _show_vsmap; 42 DCmdArgument<char*> _scale; 43 DCmdArgument<bool> _show_classes; 44 public: 45 MetaspaceDCmd(outputStream* output, bool heap); 46 static const char* name() { 47 return "VM.metaspace"; 48 } 49 static const char* description() { 50 return "Prints the statistics for the metaspace"; 51 } 52 static const char* impact() { 53 return "Medium: Depends on number of classes loaded."; 54 } 55 static const JavaPermission permission() { 56 JavaPermission p = {"java.lang.management.ManagementPermission", 57 "monitor", NULL}; 58 return p; 59 } 60 static int num_arguments(); 61 virtual void execute(DCmdSource source, TRAPS); 62 }; 63 64 } // namespace metaspace 65 66 #endif /* SHARE_MEMORY_METASPACE_METASPACESTATISTICS_HPP_ */