src/hotspot/share/gc/shenandoah/shenandoahTimingTracker.hpp
author zgu
Sat, 13 Jul 2019 12:15:17 -0400
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8227866: Shenandoah: Split weak root processing and class unloading in parallel cleaning task Reviewed-by: rkennke
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/*
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 * Copyright (c) 2018, Red Hat, Inc. All rights reserved.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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#ifndef SHARE_GC_SHENANDOAH_SHENANDOAHTIMINGTRACKER_HPP
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#define SHARE_GC_SHENANDOAH_SHENANDOAHTIMINGTRACKER_HPP
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#include "jfr/jfrEvents.hpp"
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#include "gc/shenandoah/shenandoahPhaseTimings.hpp"
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#include "memory/allocation.hpp"
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class ShenandoahWorkerTimingsTracker : public StackObj {
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private:
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  double _start_time;
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  ShenandoahPhaseTimings::GCParPhases _phase;
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  ShenandoahWorkerTimings* _worker_times;
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  uint _worker_id;
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  EventGCPhaseParallel _event;
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    ShenandoahWorkerTimingsTracker(ShenandoahWorkerTimings* worker_times, ShenandoahPhaseTimings::GCParPhases phase, uint worker_id);
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    ~ShenandoahWorkerTimingsTracker();
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};
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class ShenandoahTerminationTimingsTracker : public StackObj {
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private:
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  double _start_time;
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  uint   _worker_id;
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  ShenandoahTerminationTimingsTracker(uint worker_id);
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  ~ShenandoahTerminationTimingsTracker();
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};
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// Tracking termination time in specific GC phase
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class ShenandoahTerminationTracker : public StackObj {
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  ShenandoahPhaseTimings::Phase _phase;
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  static ShenandoahPhaseTimings::Phase _current_termination_phase;
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  ShenandoahTerminationTracker(ShenandoahPhaseTimings::Phase phase);
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  ~ShenandoahTerminationTracker();
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  static ShenandoahPhaseTimings::Phase current_termination_phase() { return _current_termination_phase; }
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};
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#endif // SHARE_GC_SHENANDOAH_SHENANDOAHTIMINGTRACKER_HPP