8199712: Flight Recorder
Reviewed-by: coleenp, ihse, erikj, dsamersoff, mseledtsov, egahlin, mgronlun
Contributed-by: erik.gahlin@oracle.com, markus.gronlund@oracle.com
/*
* 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_REPOSITORY_JFRRCHUNKSTATE_HPP
#define SHARE_VM_JFR_RECORDER_REPOSITORY_JFRRCHUNKSTATE_HPP
#include "jni.h"
#include "jfr/utilities/jfrAllocation.hpp"
#include "jfr/utilities/jfrTypes.hpp"
class JfrChunkState : public JfrCHeapObj {
friend class JfrChunkWriter;
private:
char* _path;
jlong _start_ticks;
jlong _start_nanos;
jlong _previous_start_ticks;
jlong _previous_start_nanos;
jlong _previous_checkpoint_offset;
void update_start_ticks();
void update_start_nanos();
void save_current_and_update_start_ticks();
void save_current_and_update_start_nanos();
JfrChunkState();
~JfrChunkState();
void reset();
jlong previous_checkpoint_offset() const;
void set_previous_checkpoint_offset(jlong offset);
jlong previous_start_ticks() const;
jlong previous_start_nanos() const;
jlong last_chunk_duration() const;
void update_time_to_now();
void set_path(const char* path);
const char* path() const;
};
#endif // SHARE_VM_JFR_RECORDER_REPOSITORY_JFRRCHUNKSTATE_HPP