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/*
* Copyright (c) 2012, 2013, 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_VM_GC_IMPLEMENTATION_SHARED_GCTRACE_HPP
#define SHARE_VM_GC_IMPLEMENTATION_SHARED_GCTRACE_HPP
#include "gc_interface/gcCause.hpp"
#include "gc_interface/gcName.hpp"
#include "gc_implementation/shared/gcWhen.hpp"
#include "gc_implementation/shared/copyFailedInfo.hpp"
#include "memory/allocation.hpp"
#include "memory/referenceType.hpp"
#if INCLUDE_ALL_GCS
#include "gc_implementation/g1/g1YCTypes.hpp"
#endif
#include "utilities/macros.hpp"
typedef uint GCId;
class EvacuationInfo;
class GCHeapSummary;
class MetaspaceSummary;
class PSHeapSummary;
class ReferenceProcessorStats;
class TimePartitions;
class BoolObjectClosure;
class SharedGCInfo VALUE_OBJ_CLASS_SPEC {
static const jlong UNSET_TIMESTAMP = -1;
public:
static const GCId UNSET_GCID = (GCId)-1;
private:
GCId _id;
GCName _name;
GCCause::Cause _cause;
jlong _start_timestamp;
jlong _end_timestamp;
jlong _sum_of_pauses;
jlong _longest_pause;
public:
SharedGCInfo(GCName name) : _id(UNSET_GCID), _name(name), _cause(GCCause::_last_gc_cause),
_start_timestamp(UNSET_TIMESTAMP), _end_timestamp(UNSET_TIMESTAMP), _sum_of_pauses(0), _longest_pause(0) {}
void set_id(GCId id) { _id = id; }
GCId id() const { return _id; }
void set_start_timestamp(jlong timestamp) { _start_timestamp = timestamp; }
jlong start_timestamp() const { return _start_timestamp; }
void set_end_timestamp(jlong timestamp) { _end_timestamp = timestamp; }
jlong end_timestamp() const { return _end_timestamp; }
void set_name(GCName name) { _name = name; }
GCName name() const { return _name; }
void set_cause(GCCause::Cause cause) { _cause = cause; }
GCCause::Cause cause() const { return _cause; }
void set_sum_of_pauses(jlong duration) { _sum_of_pauses = duration; }
jlong sum_of_pauses() const { return _sum_of_pauses; }
void set_longest_pause(jlong duration) { _longest_pause = duration; }
jlong longest_pause() const { return _longest_pause; }
};
class ParallelOldGCInfo VALUE_OBJ_CLASS_SPEC {
void* _dense_prefix;
public:
ParallelOldGCInfo() : _dense_prefix(NULL) {}
void report_dense_prefix(void* addr) {
_dense_prefix = addr;
}
void* dense_prefix() const { return _dense_prefix; }
};
#if INCLUDE_ALL_GCS
class G1YoungGCInfo VALUE_OBJ_CLASS_SPEC {
G1YCType _type;
public:
G1YoungGCInfo() : _type(G1YCTypeEndSentinel) {}
void set_type(G1YCType type) {
_type = type;
}
G1YCType type() const { return _type; }
};
#endif // INCLUDE_ALL_GCS
class GCTracer : public ResourceObj {
protected:
SharedGCInfo _shared_gc_info;
public:
void report_gc_start(GCCause::Cause cause, jlong timestamp);
void report_gc_end(jlong timestamp, TimePartitions* time_partitions);
void report_gc_heap_summary(GCWhen::Type when, const GCHeapSummary& heap_summary, const MetaspaceSummary& meta_space_summary) const;
void report_gc_reference_stats(const ReferenceProcessorStats& rp) const;
void report_object_count_after_gc(BoolObjectClosure* object_filter) NOT_SERVICES_RETURN;
bool has_reported_gc_start() const;
protected:
GCTracer(GCName name) : _shared_gc_info(name) {}
virtual void report_gc_start_impl(GCCause::Cause cause, jlong timestamp);
virtual void report_gc_end_impl(jlong timestamp, TimePartitions* time_partitions);
private:
void send_garbage_collection_event() const;
void send_gc_heap_summary_event(GCWhen::Type when, const GCHeapSummary& heap_summary) const;
void send_meta_space_summary_event(GCWhen::Type when, const MetaspaceSummary& meta_space_summary) const;
void send_reference_stats_event(ReferenceType type, size_t count) const;
void send_phase_events(TimePartitions* time_partitions) const;
};
class YoungGCTracer : public GCTracer {
static const uint UNSET_TENURING_THRESHOLD = (uint) -1;
uint _tenuring_threshold;
protected:
YoungGCTracer(GCName name) : GCTracer(name), _tenuring_threshold(UNSET_TENURING_THRESHOLD) {}
virtual void report_gc_end_impl(jlong timestamp, TimePartitions* time_partitions);
public:
void report_promotion_failed(const PromotionFailedInfo& pf_info);
void report_tenuring_threshold(const uint tenuring_threshold);
private:
void send_young_gc_event() const;
void send_promotion_failed_event(const PromotionFailedInfo& pf_info) const;
};
class OldGCTracer : public GCTracer {
protected:
OldGCTracer(GCName name) : GCTracer(name) {}
virtual void report_gc_end_impl(jlong timestamp, TimePartitions* time_partitions);
public:
void report_concurrent_mode_failure();
private:
void send_old_gc_event() const;
void send_concurrent_mode_failure_event();
};
class ParallelOldTracer : public OldGCTracer {
ParallelOldGCInfo _parallel_old_gc_info;
public:
ParallelOldTracer() : OldGCTracer(ParallelOld) {}
void report_dense_prefix(void* dense_prefix);
protected:
void report_gc_end_impl(jlong timestamp, TimePartitions* time_partitions);
private:
void send_parallel_old_event() const;
};
class SerialOldTracer : public OldGCTracer {
public:
SerialOldTracer() : OldGCTracer(SerialOld) {}
};
class ParallelScavengeTracer : public YoungGCTracer {
public:
ParallelScavengeTracer() : YoungGCTracer(ParallelScavenge) {}
};
class DefNewTracer : public YoungGCTracer {
public:
DefNewTracer() : YoungGCTracer(DefNew) {}
};
class ParNewTracer : public YoungGCTracer {
public:
ParNewTracer() : YoungGCTracer(ParNew) {}
};
#if INCLUDE_ALL_GCS
class G1NewTracer : public YoungGCTracer {
G1YoungGCInfo _g1_young_gc_info;
public:
G1NewTracer() : YoungGCTracer(G1New) {}
void report_yc_type(G1YCType type);
void report_gc_end_impl(jlong timestamp, TimePartitions* time_partitions);
void report_evacuation_info(EvacuationInfo* info);
void report_evacuation_failed(EvacuationFailedInfo& ef_info);
private:
void send_g1_young_gc_event();
void send_evacuation_info_event(EvacuationInfo* info);
void send_evacuation_failed_event(const EvacuationFailedInfo& ef_info) const;
};
#endif
class CMSTracer : public OldGCTracer {
public:
CMSTracer() : OldGCTracer(ConcurrentMarkSweep) {}
};
class G1OldTracer : public OldGCTracer {
public:
G1OldTracer() : OldGCTracer(G1Old) {}
};
#endif // SHARE_VM_GC_IMPLEMENTATION_SHARED_GCTRACE_HPP
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