1 /* 2 * Copyright (c) 2018, 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 25 #ifndef SHARE_MEMORY_METASPACE_METASPACEDCMD_HPP_ 26 #define SHARE_MEMORY_METASPACE_METASPACEDCMD_HPP_ 27 28 #include "services/diagnosticCommand.hpp" 29 30 class outputStream; 31 32 namespace metaspace { 33 34 class MetaspaceDCmd : public DCmdWithParser { 35 DCmdArgument<bool> _basic; 36 DCmdArgument<bool> _show_loaders; 37 DCmdArgument<bool> _by_spacetype; 38 DCmdArgument<bool> _by_chunktype; 39 DCmdArgument<bool> _show_vslist; 40 DCmdArgument<bool> _show_vsmap; 41 DCmdArgument<char*> _scale; 42 public: 43 MetaspaceDCmd(outputStream* output, bool heap); 44 static const char* name() { 45 return "VM.metaspace"; 46 } 47 static const char* description() { 48 return "Prints the statistics for the metaspace"; 49 } 50 static const char* impact() { 51 return "Medium: Depends on number of classes loaded."; 52 } 53 static const JavaPermission permission() { 54 JavaPermission p = {"java.lang.management.ManagementPermission", 55 "monitor", NULL}; 56 return p; 57 } 58 static int num_arguments(); 59 virtual void execute(DCmdSource source, TRAPS); 60 }; 61 62 } // namespace metaspace 63 64 #endif /* SHARE_MEMORY_METASPACE_METASPACESTATISTICS_HPP_ */