1/*
2 * Copyright (c) 2012, 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_JFRRECORDER_HPP
26#define SHARE_JFR_RECORDER_JFRRECORDER_HPP
27
28#include "jfr/utilities/jfrAllocation.hpp"
29
30class JavaThread;
31class Thread;
32
33//
34// Represents the singleton instance of Flight Recorder.
35// Lifecycle management of recorder components.
36//
37class JfrRecorder : public JfrCHeapObj {
38 friend class Jfr;
39 friend void recorderthread_entry(JavaThread*, Thread*);
40 private:
41 static bool create_checkpoint_manager();
42 static bool create_chunk_repository();
43 static bool create_java_event_writer();
44 static bool create_jvmti_agent();
45 static bool create_os_interface();
46 static bool create_post_box();
47 static bool create_recorder_thread();
48 static bool create_stacktrace_repository();
49 static bool create_storage();
50 static bool create_stringpool();
51 static bool create_thread_sampling();
52 static bool create_components();
53 static void destroy_components();
54 static void on_recorder_thread_exit();
55 static bool on_vm_start();
56 static bool on_vm_init();
57
58 public:
59 static bool is_enabled();
60 static bool is_disabled();
61 static bool create(bool simulate_failure);
62 static bool is_created();
63 static void destroy();
64 static void start_recording();
65 static bool is_recording();
66 static void stop_recording();
67};
68
69#endif // SHARE_JFR_RECORDER_JFRRECORDER_HPP
70