ddong@9885: /*
ddong@9885:  * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
ddong@9885:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
ddong@9885:  *
ddong@9885:  * This code is free software; you can redistribute it and/or modify it
ddong@9885:  * under the terms of the GNU General Public License version 2 only, as
ddong@9885:  * published by the Free Software Foundation.
ddong@9885:  *
ddong@9885:  * This code is distributed in the hope that it will be useful, but WITHOUT
ddong@9885:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
ddong@9885:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
ddong@9885:  * version 2 for more details (a copy is included in the LICENSE file that
ddong@9885:  * accompanied this code).
ddong@9885:  *
ddong@9885:  * You should have received a copy of the GNU General Public License version
ddong@9885:  * 2 along with this work; if not, write to the Free Software Foundation,
ddong@9885:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
ddong@9885:  *
ddong@9885:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
ddong@9885:  * or visit www.oracle.com if you need additional information or have any
ddong@9885:  * questions.
ddong@9885:  *
ddong@9885:  */
ddong@9885: 
ddong@9885: #ifndef SHARE_JFR_LEAKPROFILER_CHECKPOINT_EVENTEMITTER_HPP
ddong@9885: #define SHARE_JFR_LEAKPROFILER_CHECKPOINT_EVENTEMITTER_HPP
ddong@9885: 
ddong@9885: #include "memory/allocation.hpp"
ddong@9885: #include "jfr/utilities/jfrTime.hpp"
ddong@9885: 
ddong@9885: typedef u8 traceid;
ddong@9885: 
ddong@9885: class EdgeStore;
ddong@9885: class JfrThreadLocal;
ddong@9885: class ObjectSample;
ddong@9885: class ObjectSampler;
ddong@9885: class Thread;
ddong@9885: 
ddong@9885: class EventEmitter : public CHeapObj<mtTracing> {
ddong@9885:   friend class LeakProfiler;
ddong@9885:   friend class PathToGcRootsOperation;
ddong@9885:  private:
ddong@9885:   const JfrTicks& _start_time;
ddong@9885:   const JfrTicks& _end_time;
ddong@9885:   Thread* _thread;
ddong@9885:   JfrThreadLocal* _jfr_thread_local;
ddong@9885:   traceid _thread_id;
ddong@9885: 
ddong@9885:   EventEmitter(const JfrTicks& start_time, const JfrTicks& end_time);
ddong@9885:   ~EventEmitter();
ddong@9885: 
ddong@9885:   void write_event(const ObjectSample* sample, EdgeStore* edge_store);
ddong@9885:   size_t write_events(ObjectSampler* sampler, EdgeStore* store, bool emit_all);
ddong@9885: 
ddong@9885:   static void emit(ObjectSampler* sampler, int64_t cutoff_ticks, bool emit_all);
ddong@9885: };
ddong@9885: 
ddong@9885: #endif // SHARE_JFR_LEAKPROFILER_CHECKPOINT_EVENTEMITTER_HPP