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

Mon, 19 Aug 2019 10:11:31 +0200

author
neugens
date
Mon, 19 Aug 2019 10:11:31 +0200
changeset 9861
a248d0be1309
parent 9858
b985cbb00e68
permissions
-rw-r--r--

8229401: Fix JFR code cache test failures
8223689: Add JFR Thread Sampling Support
8223690: Add JFR BiasedLock Event Support
8223691: Add JFR G1 Region Type Change Event Support
8223692: Add JFR G1 Heap Summary Event Support
Summary: Backport JFR from JDK11, additional fixes
Reviewed-by: neugens, apetushkov
Contributed-by: denghui.ddh@alibaba-inc.com

apetushkov@9858 1 /*
apetushkov@9858 2 * Copyright (c) 2016, 2018, Oracle and/or its affiliates. All rights reserved.
apetushkov@9858 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
apetushkov@9858 4 *
apetushkov@9858 5 * This code is free software; you can redistribute it and/or modify it
apetushkov@9858 6 * under the terms of the GNU General Public License version 2 only, as
apetushkov@9858 7 * published by the Free Software Foundation.
apetushkov@9858 8 *
apetushkov@9858 9 * This code is distributed in the hope that it will be useful, but WITHOUT
apetushkov@9858 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
apetushkov@9858 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
apetushkov@9858 12 * version 2 for more details (a copy is included in the LICENSE file that
apetushkov@9858 13 * accompanied this code).
apetushkov@9858 14 *
apetushkov@9858 15 * You should have received a copy of the GNU General Public License version
apetushkov@9858 16 * 2 along with this work; if not, write to the Free Software Foundation,
apetushkov@9858 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
apetushkov@9858 18 *
apetushkov@9858 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
apetushkov@9858 20 * or visit www.oracle.com if you need additional information or have any
apetushkov@9858 21 * questions.
apetushkov@9858 22 *
apetushkov@9858 23 */
apetushkov@9858 24
apetushkov@9858 25 #ifndef SHARE_VM_JFR_RECORDER_CHECKPOINT_TYPES_JFRTHREADGROUP_HPP
apetushkov@9858 26 #define SHARE_VM_JFR_RECORDER_CHECKPOINT_TYPES_JFRTHREADGROUP_HPP
apetushkov@9858 27
apetushkov@9858 28 #include "jni.h"
apetushkov@9858 29 #include "jfr/utilities/jfrAllocation.hpp"
apetushkov@9858 30 #include "jfr/utilities/jfrTypes.hpp"
apetushkov@9858 31
apetushkov@9858 32 class JfrCheckpointWriter;
apetushkov@9858 33 template <typename>
apetushkov@9858 34 class GrowableArray;
apetushkov@9858 35 class JfrThreadGroupsHelper;
apetushkov@9858 36 class JfrThreadGroupPointers;
apetushkov@9858 37
apetushkov@9858 38 class JfrThreadGroup : public JfrCHeapObj {
apetushkov@9858 39 friend class JfrCheckpointThreadClosure;
apetushkov@9858 40 private:
apetushkov@9858 41 static JfrThreadGroup* _instance;
apetushkov@9858 42 class JfrThreadGroupEntry;
apetushkov@9858 43 GrowableArray<JfrThreadGroupEntry*>* _list;
apetushkov@9858 44
apetushkov@9858 45 JfrThreadGroup();
apetushkov@9858 46 JfrThreadGroupEntry* find_entry(const JfrThreadGroupPointers& ptrs) const;
apetushkov@9858 47 JfrThreadGroupEntry* new_entry(JfrThreadGroupPointers& ptrs);
apetushkov@9858 48 int add_entry(JfrThreadGroupEntry* const tge);
apetushkov@9858 49
apetushkov@9858 50 void write_thread_group_entries(JfrCheckpointWriter& writer) const;
apetushkov@9858 51 void write_selective_thread_group(JfrCheckpointWriter* writer, traceid thread_group_id) const;
apetushkov@9858 52
apetushkov@9858 53 static traceid thread_group_id_internal(JfrThreadGroupsHelper& helper);
apetushkov@9858 54 static JfrThreadGroup* instance();
apetushkov@9858 55 static void set_instance(JfrThreadGroup* new_instance);
apetushkov@9858 56
apetushkov@9858 57 public:
apetushkov@9858 58 ~JfrThreadGroup();
apetushkov@9858 59 static void serialize(JfrCheckpointWriter& w);
apetushkov@9858 60 static void serialize(JfrCheckpointWriter* w, traceid thread_group_id);
apetushkov@9858 61 static traceid thread_group_id(JavaThread* thread);
apetushkov@9858 62 static traceid thread_group_id(const JavaThread* thread, Thread* current);
apetushkov@9858 63 };
apetushkov@9858 64
apetushkov@9858 65 #endif // SHARE_VM_JFR_RECORDER_CHECKPOINT_TYPES_JFRTHREADGROUP_HPP

mercurial