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/*
* Copyright (c) 2019, 2021, 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/g1GCPauseType.hpp"
#include "gc/shared/gcTrace.hpp"
class G1EvacInfo;
class G1HeapSummary;
class G1EvacSummary;
class G1NewTracer : public YoungGCTracer, public CHeapObj<mtGC> {
G1GCPauseType _pause;
public:
G1NewTracer() :
YoungGCTracer(G1New),
_pause(G1GCPauseType::FullGC) // Initialize to something invalid. For this event, which
// is about young collections, FullGC is not a valid value.
{ }
void initialize();
void report_young_gc_pause(G1GCPauseType pause);
void report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions);
void report_evacuation_info(G1EvacInfo* 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(G1EvacInfo* 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, public CHeapObj<mtGC> {
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
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