Mon, 12 Aug 2019 18:30:40 +0300
8223147: JFR Backport
8199712: Flight Recorder
8203346: JFR: Inconsistent signature of jfr_add_string_constant
8195817: JFR.stop should require name of recording
8195818: JFR.start should increase autogenerated name by one
8195819: Remove recording=x from jcmd JFR.check output
8203921: JFR thread sampling is missing fixes from JDK-8194552
8203929: Limit amount of data for JFR.dump
8203664: JFR start failure after AppCDS archive created with JFR StartFlightRecording
8003209: JFR events for network utilization
8207392: [PPC64] Implement JFR profiling
8202835: jfr/event/os/TestSystemProcess.java fails on missing events
Summary: Backport JFR from JDK11. Initial integration
Reviewed-by: neugens
1 /*
2 * Copyright (c) 2012, 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 */
25 #ifndef SHARE_VM_JFR_RECORDER_REPOSITORY_JFRRCHUNKSTATE_HPP
26 #define SHARE_VM_JFR_RECORDER_REPOSITORY_JFRRCHUNKSTATE_HPP
28 #include "jni.h"
29 #include "jfr/utilities/jfrAllocation.hpp"
30 #include "jfr/utilities/jfrTypes.hpp"
32 class JfrChunkState : public JfrCHeapObj {
33 friend class JfrChunkWriter;
34 private:
35 char* _path;
36 jlong _start_ticks;
37 jlong _start_nanos;
38 jlong _previous_start_ticks;
39 jlong _previous_start_nanos;
40 jlong _previous_checkpoint_offset;
42 void update_start_ticks();
43 void update_start_nanos();
44 void save_current_and_update_start_ticks();
45 void save_current_and_update_start_nanos();
47 JfrChunkState();
48 ~JfrChunkState();
49 void reset();
50 jlong previous_checkpoint_offset() const;
51 void set_previous_checkpoint_offset(jlong offset);
52 jlong previous_start_ticks() const;
53 jlong previous_start_nanos() const;
54 jlong last_chunk_duration() const;
55 void update_time_to_now();
56 void set_path(const char* path);
57 const char* path() const;
58 };
60 #endif // SHARE_VM_JFR_RECORDER_REPOSITORY_JFRRCHUNKSTATE_HPP