src/share/vm/jfr/recorder/checkpoint/types/jfrThreadGroup.hpp

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

author
apetushkov
date
Mon, 12 Aug 2019 18:30:40 +0300
changeset 9858
b985cbb00e68
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) 2016, 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_CHECKPOINT_TYPES_JFRTHREADGROUP_HPP
    26 #define SHARE_VM_JFR_RECORDER_CHECKPOINT_TYPES_JFRTHREADGROUP_HPP
    28 #include "jni.h"
    29 #include "jfr/utilities/jfrAllocation.hpp"
    30 #include "jfr/utilities/jfrTypes.hpp"
    32 class JfrCheckpointWriter;
    33 template <typename>
    34 class GrowableArray;
    35 class JfrThreadGroupsHelper;
    36 class JfrThreadGroupPointers;
    38 class JfrThreadGroup : public JfrCHeapObj {
    39   friend class JfrCheckpointThreadClosure;
    40  private:
    41   static JfrThreadGroup* _instance;
    42   class JfrThreadGroupEntry;
    43   GrowableArray<JfrThreadGroupEntry*>* _list;
    45   JfrThreadGroup();
    46   JfrThreadGroupEntry* find_entry(const JfrThreadGroupPointers& ptrs) const;
    47   JfrThreadGroupEntry* new_entry(JfrThreadGroupPointers& ptrs);
    48   int add_entry(JfrThreadGroupEntry* const tge);
    50   void write_thread_group_entries(JfrCheckpointWriter& writer) const;
    51   void write_selective_thread_group(JfrCheckpointWriter* writer, traceid thread_group_id) const;
    53   static traceid thread_group_id_internal(JfrThreadGroupsHelper& helper);
    54   static JfrThreadGroup* instance();
    55   static void set_instance(JfrThreadGroup* new_instance);
    57  public:
    58   ~JfrThreadGroup();
    59   static void serialize(JfrCheckpointWriter& w);
    60   static void serialize(JfrCheckpointWriter* w, traceid thread_group_id);
    61   static traceid thread_group_id(JavaThread* thread);
    62   static traceid thread_group_id(const JavaThread* thread, Thread* current);
    63 };
    65 #endif // SHARE_VM_JFR_RECORDER_CHECKPOINT_TYPES_JFRTHREADGROUP_HPP

mercurial