| /* |
| * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| #ifndef SHARE_GC_G1_G1TRACE_HPP |
| #define SHARE_GC_G1_G1TRACE_HPP |
| |
| #include "gc/g1/g1YCTypes.hpp" |
| #include "gc/shared/gcTrace.hpp" |
| |
| class G1EvacuationInfo; |
| class G1HeapSummary; |
| class G1EvacSummary; |
| |
| class G1YoungGCInfo { |
| G1YCType _type; |
| public: |
| G1YoungGCInfo() : _type(G1YCTypeEndSentinel) {} |
| void set_type(G1YCType type) { |
| _type = type; |
| } |
| G1YCType type() const { return _type; } |
| }; |
| |
| class G1NewTracer : public YoungGCTracer { |
| G1YoungGCInfo _g1_young_gc_info; |
| |
| public: |
| G1NewTracer() : YoungGCTracer(G1New) {} |
| |
| void initialize(); |
| void report_yc_type(G1YCType type); |
| void report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions); |
| void report_evacuation_info(G1EvacuationInfo* info); |
| void report_evacuation_failed(EvacuationFailedInfo& ef_info); |
| |
| void report_evacuation_statistics(const G1EvacSummary& young_summary, const G1EvacSummary& old_summary) const; |
| |
| void report_basic_ihop_statistics(size_t threshold, |
| size_t target_occupancy, |
| size_t current_occupancy, |
| size_t last_allocation_size, |
| double last_allocation_duration, |
| double last_marking_length); |
| void report_adaptive_ihop_statistics(size_t threshold, |
| size_t internal_target_occupancy, |
| size_t current_occupancy, |
| size_t additional_buffer_size, |
| double predicted_allocation_rate, |
| double predicted_marking_length, |
| bool prediction_active); |
| private: |
| void send_g1_young_gc_event(); |
| void send_evacuation_info_event(G1EvacuationInfo* info); |
| void send_evacuation_failed_event(const EvacuationFailedInfo& ef_info) const; |
| |
| void send_young_evacuation_statistics(const G1EvacSummary& summary) const; |
| void send_old_evacuation_statistics(const G1EvacSummary& summary) const; |
| |
| void send_basic_ihop_statistics(size_t threshold, |
| size_t target_occupancy, |
| size_t current_occupancy, |
| size_t last_allocation_size, |
| double last_allocation_duration, |
| double last_marking_length); |
| void send_adaptive_ihop_statistics(size_t threshold, |
| size_t internal_target_occupancy, |
| size_t current_occupancy, |
| size_t additional_buffer_size, |
| double predicted_allocation_rate, |
| double predicted_marking_length, |
| bool prediction_active); |
| }; |
| |
| class G1OldTracer : public OldGCTracer { |
| protected: |
| void report_gc_start_impl(GCCause::Cause cause, const Ticks& timestamp); |
| public: |
| G1OldTracer() : OldGCTracer(G1Old) {} |
| void set_gc_cause(GCCause::Cause cause); |
| }; |
| |
| class G1FullGCTracer : public OldGCTracer { |
| public: |
| G1FullGCTracer() : OldGCTracer(G1Full) {} |
| }; |
| |
| class G1MMUTracer : public AllStatic { |
| static void send_g1_mmu_event(double time_slice_ms, double gc_time_ms, double max_time_ms); |
| |
| public: |
| static void report_mmu(double time_slice_sec, double gc_time_sec, double max_time_sec); |
| }; |
| |
| #endif |