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/*
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* Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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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_G1_G1TRACE_HPP
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#define SHARE_GC_G1_G1TRACE_HPP
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#include "gc/g1/g1YCTypes.hpp"
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#include "gc/shared/gcTrace.hpp"
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class G1EvacuationInfo;
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class G1HeapSummary;
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class G1EvacSummary;
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class G1YoungGCInfo {
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G1YCType _type;
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public:
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G1YoungGCInfo() : _type(G1YCTypeEndSentinel) {}
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void set_type(G1YCType type) {
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_type = type;
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}
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G1YCType type() const { return _type; }
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};
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class G1NewTracer : public YoungGCTracer {
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G1YoungGCInfo _g1_young_gc_info;
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public:
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G1NewTracer() : YoungGCTracer(G1New) {}
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void initialize();
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void report_yc_type(G1YCType type);
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void report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions);
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void report_evacuation_info(G1EvacuationInfo* info);
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void report_evacuation_failed(EvacuationFailedInfo& ef_info);
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void report_evacuation_statistics(const G1EvacSummary& young_summary, const G1EvacSummary& old_summary) const;
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void report_basic_ihop_statistics(size_t threshold,
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size_t target_occupancy,
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size_t current_occupancy,
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size_t last_allocation_size,
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double last_allocation_duration,
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double last_marking_length);
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void report_adaptive_ihop_statistics(size_t threshold,
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size_t internal_target_occupancy,
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size_t current_occupancy,
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size_t additional_buffer_size,
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double predicted_allocation_rate,
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double predicted_marking_length,
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bool prediction_active);
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private:
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void send_g1_young_gc_event();
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void send_evacuation_info_event(G1EvacuationInfo* info);
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void send_evacuation_failed_event(const EvacuationFailedInfo& ef_info) const;
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void send_young_evacuation_statistics(const G1EvacSummary& summary) const;
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void send_old_evacuation_statistics(const G1EvacSummary& summary) const;
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void send_basic_ihop_statistics(size_t threshold,
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size_t target_occupancy,
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size_t current_occupancy,
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size_t last_allocation_size,
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double last_allocation_duration,
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double last_marking_length);
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void send_adaptive_ihop_statistics(size_t threshold,
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size_t internal_target_occupancy,
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size_t current_occupancy,
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size_t additional_buffer_size,
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double predicted_allocation_rate,
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double predicted_marking_length,
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bool prediction_active);
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};
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class G1OldTracer : public OldGCTracer {
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protected:
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void report_gc_start_impl(GCCause::Cause cause, const Ticks& timestamp);
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public:
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G1OldTracer() : OldGCTracer(G1Old) {}
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void set_gc_cause(GCCause::Cause cause);
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};
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class G1FullGCTracer : public OldGCTracer {
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public:
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G1FullGCTracer() : OldGCTracer(G1Full) {}
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};
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class G1MMUTracer : public AllStatic {
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static void send_g1_mmu_event(double time_slice_ms, double gc_time_ms, double max_time_ms);
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public:
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static void report_mmu(double time_slice_sec, double gc_time_sec, double max_time_sec);
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};
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#endif
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