/* * Copyright (c) 2012, 2019, 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. * */ #ifndef SHARE_VM_JFR_JFRDCMDS_HPP #define SHARE_VM_JFR_JFRDCMDS_HPP #include "services/diagnosticCommand.hpp" class JfrDumpFlightRecordingDCmd : public DCmdWithParser { protected: DCmdArgument _name; DCmdArgument _filename; DCmdArgument _path_to_gc_roots; public: JfrDumpFlightRecordingDCmd(outputStream* output, bool heap); static const char* name() { return "JFR.dump"; } static const char* description() { return "Copies contents of a JFR recording to file. Either the name or the recording id must be specified."; } static const char* impact() { return "Low"; } static const JavaPermission permission() { JavaPermission p = {"java.lang.management.ManagementPermission", "monitor", NULL}; return p; } static int num_arguments(); virtual void execute(DCmdSource source, TRAPS); }; class JfrCheckFlightRecordingDCmd : public DCmdWithParser { protected: DCmdArgument _name; DCmdArgument _verbose; public: JfrCheckFlightRecordingDCmd(outputStream* output, bool heap); static const char* name() { return "JFR.check"; } static const char* description() { return "Checks running JFR recording(s)"; } static const char* impact() { return "Low"; } static const JavaPermission permission() { JavaPermission p = {"java.lang.management.ManagementPermission", "monitor", NULL}; return p; } static int num_arguments(); virtual void execute(DCmdSource source, TRAPS); }; class JfrStartFlightRecordingDCmd : public DCmdWithParser { protected: DCmdArgument _name; DCmdArgument _settings; DCmdArgument _delay; DCmdArgument _duration; DCmdArgument _disk; DCmdArgument _filename; DCmdArgument _maxage; DCmdArgument _maxsize; DCmdArgument _dump_on_exit; DCmdArgument _path_to_gc_roots; public: JfrStartFlightRecordingDCmd(outputStream* output, bool heap); static const char* name() { return "JFR.start"; } static const char* description() { return "Starts a new JFR recording"; } static const char* impact() { return "Medium: Depending on the settings for a recording, the impact can range from low to high."; } static const JavaPermission permission() { JavaPermission p = {"java.lang.management.ManagementPermission", "monitor", NULL}; return p; } static int num_arguments(); virtual void execute(DCmdSource source, TRAPS); }; class JfrStopFlightRecordingDCmd : public DCmdWithParser { protected: DCmdArgument _name; DCmdArgument _filename; public: JfrStopFlightRecordingDCmd(outputStream* output, bool heap); static const char* name() { return "JFR.stop"; } static const char* description() { return "Stops a JFR recording"; } static const char* impact() { return "Low"; } static const JavaPermission permission() { JavaPermission p = {"java.lang.management.ManagementPermission", "monitor", NULL}; return p; } static int num_arguments(); virtual void execute(DCmdSource source, TRAPS); }; class JfrRuntimeOptions; class JfrConfigureFlightRecorderDCmd : public DCmdWithParser { friend class JfrOptionSet; protected: DCmdArgument _repository_path; DCmdArgument _dump_path; DCmdArgument _stack_depth; DCmdArgument _global_buffer_count; DCmdArgument _global_buffer_size; DCmdArgument _thread_buffer_size; DCmdArgument _memory_size; DCmdArgument _max_chunk_size; DCmdArgument _sample_threads; public: JfrConfigureFlightRecorderDCmd(outputStream* output, bool heap); static const char* name() { return "JFR.configure"; } static const char* description() { return "Configure JFR"; } static const char* impact() { return "Low"; } static const JavaPermission permission() { JavaPermission p = {"java.lang.management.ManagementPermission", "monitor", NULL}; return p; } static int num_arguments(); virtual void execute(DCmdSource source, TRAPS); }; class JfrUnlockCommercialFeaturesDCmd : public DCmd { public: JfrUnlockCommercialFeaturesDCmd(outputStream* output, bool heap) : DCmd(output, heap) { } static const char* name() { return "VM.unlock_commercial_features"; } static const char* description() { return "Simulate commercial features unlocking for Alibaba Dragonwell8."; } static const char* impact() { return "Low"; } static const JavaPermission permission() { JavaPermission p = {"java.lang.management.ManagementPermission", "monitor", NULL}; return p; } static int num_arguments() { return 0; } virtual void execute(DCmdSource source, TRAPS) { UnlockCommercialFeatures = true; } }; bool register_jfr_dcmds(); #endif // SHARE_VM_JFR_JFRDCMDS_HPP