/* * Copyright (c) 2012, 2018, 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_RECORDER_JFRRECORDER_HPP #define SHARE_VM_JFR_RECORDER_JFRRECORDER_HPP #include "jfr/utilities/jfrAllocation.hpp" class JavaThread; class Thread; // // Represents the singleton instance of Flight Recorder. // Lifecycle management of recorder components. // class JfrRecorder : public JfrCHeapObj { friend class Jfr; friend void recorderthread_entry(JavaThread*, Thread*); private: static bool create_checkpoint_manager(); static bool create_chunk_repository(); static bool create_jvmti_agent(); static bool create_os_interface(); static bool create_post_box(); static bool create_recorder_thread(); static bool create_stacktrace_repository(); static bool create_storage(); static bool create_stringpool(); static bool create_thread_sampling(); static bool create_components(); static void destroy_components(); static void on_recorder_thread_exit(); static bool on_vm_start(); static bool on_vm_init(); public: static bool is_enabled(); static bool is_disabled(); static bool create(bool simulate_failure); static bool is_created(); static void destroy(); static void start_recording(); static bool is_recording(); static void stop_recording(); }; #endif // SHARE_VM_JFR_RECORDER_JFRRECORDER_HPP