1/*
2 * Copyright (c) 2016, 2019, 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 */
24
25#ifndef SHARE_JFR_RECORDER_SERVICE_JFRRECORDERSERVICE_HPP
26#define SHARE_JFR_RECORDER_SERVICE_JFRRECORDERSERVICE_HPP
27
28#include "jfr/utilities/jfrAllocation.hpp"
29
30class JfrCheckpointManager;
31class JfrChunkWriter;
32class JfrRepository;
33class JfrStackTraceRepository;
34class JfrStorage;
35class JfrStringPool;
36
37class JfrRecorderService : public StackObj {
38 private:
39 JfrCheckpointManager& _checkpoint_manager;
40 JfrChunkWriter& _chunkwriter;
41 JfrRepository& _repository;
42 JfrStackTraceRepository& _stack_trace_repository;
43 JfrStorage& _storage;
44 JfrStringPool& _string_pool;
45
46 void open_new_chunk(bool vm_error = false);
47 void chunk_rotation();
48 void in_memory_rotation();
49 void serialize_storage_from_in_memory_recording();
50 void finalize_current_chunk();
51 void finalize_current_chunk_on_vm_error();
52 void prepare_for_vm_error_rotation();
53 void vm_error_rotation();
54
55 void clear();
56 void pre_safepoint_clear();
57 void safepoint_clear();
58 void invoke_safepoint_clear();
59 void post_safepoint_clear();
60
61 void write();
62 void pre_safepoint_write();
63 void safepoint_write();
64 void invoke_safepoint_write();
65 void post_safepoint_write();
66
67 public:
68 JfrRecorderService();
69 void start();
70 void rotate(int msgs);
71 void process_full_buffers();
72 void scavenge();
73 void evaluate_chunk_size_for_rotation();
74 static bool is_recording();
75};
76
77#endif // SHARE_JFR_RECORDER_SERVICE_JFRRECORDERSERVICE_HPP
78