src/share/vm/jfr/recorder/jfrRecorder.hpp

Mon, 12 Aug 2019 18:30:40 +0300

author
apetushkov
date
Mon, 12 Aug 2019 18:30:40 +0300
changeset 9858
b985cbb00e68
child 9884
1258121876f8
permissions
-rw-r--r--

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

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