author | mgronlun |
Sat, 14 Sep 2019 13:03:44 +0200 | |
branch | JEP-349-branch |
changeset 58154 | 060d9d139109 |
parent 58003 | a645b2f7bece |
child 59198 | 92c98aa0f801 |
permissions | -rw-r--r-- |
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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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|
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#include "precompiled.hpp" |
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#include "gc/g1/g1EvacuationInfo.hpp" |
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#include "gc/g1/g1HeapRegionTraceType.hpp" |
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#include "gc/g1/g1Trace.hpp" |
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#include "gc/g1/g1YCTypes.hpp" |
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#include "gc/shared/gcHeapSummary.hpp" |
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#include "jfr/jfrEvents.hpp" |
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#if INCLUDE_JFR |
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#include "jfr/metadata/jfrSerializer.hpp" |
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#endif |
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|
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#if INCLUDE_JFR |
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class G1HeapRegionTypeConstant : public JfrSerializer { |
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public: |
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void serialize(JfrCheckpointWriter& writer) { |
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static const u4 nof_entries = G1HeapRegionTraceType::G1HeapRegionTypeEndSentinel; |
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writer.write_count(nof_entries); |
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for (u4 i = 0; i < nof_entries; ++i) { |
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writer.write_key(i); |
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writer.write(G1HeapRegionTraceType::to_string((G1HeapRegionTraceType::Type)i)); |
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} |
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} |
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}; |
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class G1YCTypeConstant : public JfrSerializer { |
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public: |
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void serialize(JfrCheckpointWriter& writer) { |
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static const u4 nof_entries = G1YCTypeEndSentinel; |
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writer.write_count(nof_entries); |
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for (u4 i = 0; i < nof_entries; ++i) { |
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writer.write_key(i); |
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writer.write(G1YCTypeHelper::to_string((G1YCType)i)); |
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} |
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} |
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}; |
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static void register_jfr_type_constants() { |
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JfrSerializer::register_serializer(TYPE_G1HEAPREGIONTYPE, true, |
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new G1HeapRegionTypeConstant()); |
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JfrSerializer::register_serializer(TYPE_G1YCTYPE, true, |
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new G1YCTypeConstant()); |
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} |
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#endif |
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void G1NewTracer::initialize() { |
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JFR_ONLY(register_jfr_type_constants()); |
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} |
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void G1NewTracer::report_yc_type(G1YCType type) { |
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_g1_young_gc_info.set_type(type); |
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} |
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void G1NewTracer::report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions) { |
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YoungGCTracer::report_gc_end_impl(timestamp, time_partitions); |
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send_g1_young_gc_event(); |
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} |
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void G1NewTracer::report_evacuation_info(G1EvacuationInfo* info) { |
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send_evacuation_info_event(info); |
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} |
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void G1NewTracer::report_evacuation_failed(EvacuationFailedInfo& ef_info) { |
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send_evacuation_failed_event(ef_info); |
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ef_info.reset(); |
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} |
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void G1NewTracer::report_evacuation_statistics(const G1EvacSummary& young_summary, const G1EvacSummary& old_summary) const { |
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send_young_evacuation_statistics(young_summary); |
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send_old_evacuation_statistics(old_summary); |
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} |
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void G1NewTracer::report_basic_ihop_statistics(size_t threshold, |
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size_t target_ccupancy, |
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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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send_basic_ihop_statistics(threshold, |
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target_ccupancy, |
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current_occupancy, |
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last_allocation_size, |
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last_allocation_duration, |
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last_marking_length); |
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} |
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void G1NewTracer::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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send_adaptive_ihop_statistics(threshold, |
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internal_target_occupancy, |
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121 |
additional_buffer_size, |
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current_occupancy, |
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predicted_allocation_rate, |
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predicted_marking_length, |
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prediction_active); |
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126 |
} |
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127 |
|
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128 |
void G1NewTracer::send_g1_young_gc_event() { |
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EventG1GarbageCollection e(UNTIMED); |
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if (e.should_commit()) { |
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e.set_gcId(GCId::current()); |
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e.set_type(_g1_young_gc_info.type()); |
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e.set_starttime(_shared_gc_info.start_timestamp()); |
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e.set_endtime(_shared_gc_info.end_timestamp()); |
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e.commit(); |
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136 |
} |
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137 |
} |
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138 |
|
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void G1NewTracer::send_evacuation_info_event(G1EvacuationInfo* info) { |
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EventEvacuationInformation e; |
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if (e.should_commit()) { |
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e.set_gcId(GCId::current()); |
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e.set_cSetRegions(info->collectionset_regions()); |
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e.set_cSetUsedBefore(info->collectionset_used_before()); |
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e.set_cSetUsedAfter(info->collectionset_used_after()); |
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e.set_allocationRegions(info->allocation_regions()); |
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e.set_allocationRegionsUsedBefore(info->alloc_regions_used_before()); |
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e.set_allocationRegionsUsedAfter(info->alloc_regions_used_before() + info->bytes_copied()); |
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e.set_bytesCopied(info->bytes_copied()); |
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e.set_regionsFreed(info->regions_freed()); |
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e.commit(); |
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152 |
} |
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153 |
} |
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154 |
|
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void G1NewTracer::send_evacuation_failed_event(const EvacuationFailedInfo& ef_info) const { |
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EventEvacuationFailed e; |
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if (e.should_commit()) { |
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// Create JFR structured failure data |
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JfrStructCopyFailed evac_failed; |
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evac_failed.set_objectCount(ef_info.failed_count()); |
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evac_failed.set_firstSize(ef_info.first_size()); |
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evac_failed.set_smallestSize(ef_info.smallest_size()); |
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evac_failed.set_totalSize(ef_info.total_size()); |
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// Add to the event |
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e.set_gcId(GCId::current()); |
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e.set_evacuationFailed(evac_failed); |
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|
167 |
e.commit(); |
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|
168 |
} |
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169 |
} |
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|
170 |
|
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171 |
static JfrStructG1EvacuationStatistics |
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create_g1_evacstats(unsigned gcid, const G1EvacSummary& summary) { |
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JfrStructG1EvacuationStatistics s; |
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|
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s.set_gcId(gcid); |
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|
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s.set_allocated(summary.allocated() * HeapWordSize); |
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|
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s.set_wasted(summary.wasted() * HeapWordSize); |
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|
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s.set_used(summary.used() * HeapWordSize); |
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|
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s.set_undoWaste(summary.undo_wasted() * HeapWordSize); |
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|
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s.set_regionEndWaste(summary.region_end_waste() * HeapWordSize); |
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|
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s.set_regionsRefilled(summary.regions_filled()); |
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|
181 |
s.set_directAllocated(summary.direct_allocated() * HeapWordSize); |
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|
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s.set_failureUsed(summary.failure_used() * HeapWordSize); |
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|
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s.set_failureWaste(summary.failure_waste() * HeapWordSize); |
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|
184 |
return s; |
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|
185 |
} |
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|
186 |
|
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|
187 |
void G1NewTracer::send_young_evacuation_statistics(const G1EvacSummary& summary) const { |
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|
188 |
EventG1EvacuationYoungStatistics surv_evt; |
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|
189 |
if (surv_evt.should_commit()) { |
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|
190 |
surv_evt.set_statistics(create_g1_evacstats(GCId::current(), summary)); |
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|
191 |
surv_evt.commit(); |
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|
192 |
} |
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|
193 |
} |
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|
194 |
|
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|
195 |
void G1NewTracer::send_old_evacuation_statistics(const G1EvacSummary& summary) const { |
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|
196 |
EventG1EvacuationOldStatistics old_evt; |
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|
197 |
if (old_evt.should_commit()) { |
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|
198 |
old_evt.set_statistics(create_g1_evacstats(GCId::current(), summary)); |
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|
199 |
old_evt.commit(); |
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|
200 |
} |
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|
201 |
} |
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|
202 |
|
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|
203 |
void G1NewTracer::send_basic_ihop_statistics(size_t threshold, |
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|
204 |
size_t target_occupancy, |
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|
205 |
size_t current_occupancy, |
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|
206 |
size_t last_allocation_size, |
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|
207 |
double last_allocation_duration, |
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|
208 |
double last_marking_length) { |
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|
209 |
EventG1BasicIHOP evt; |
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|
210 |
if (evt.should_commit()) { |
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|
211 |
evt.set_gcId(GCId::current()); |
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|
212 |
evt.set_threshold(threshold); |
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|
213 |
evt.set_targetOccupancy(target_occupancy); |
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|
214 |
evt.set_thresholdPercentage(target_occupancy > 0 ? ((double)threshold / target_occupancy) : 0.0); |
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|
215 |
evt.set_currentOccupancy(current_occupancy); |
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|
216 |
evt.set_recentMutatorAllocationSize(last_allocation_size); |
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|
217 |
evt.set_recentMutatorDuration(last_allocation_duration * MILLIUNITS); |
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|
218 |
evt.set_recentAllocationRate(last_allocation_duration != 0.0 ? last_allocation_size / last_allocation_duration : 0.0); |
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|
219 |
evt.set_lastMarkingDuration(last_marking_length * MILLIUNITS); |
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|
220 |
evt.commit(); |
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|
221 |
} |
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|
222 |
} |
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|
223 |
|
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|
224 |
void G1NewTracer::send_adaptive_ihop_statistics(size_t threshold, |
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|
225 |
size_t internal_target_occupancy, |
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|
226 |
size_t current_occupancy, |
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|
227 |
size_t additional_buffer_size, |
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|
228 |
double predicted_allocation_rate, |
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|
229 |
double predicted_marking_length, |
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|
230 |
bool prediction_active) { |
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|
231 |
EventG1AdaptiveIHOP evt; |
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|
232 |
if (evt.should_commit()) { |
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|
233 |
evt.set_gcId(GCId::current()); |
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|
234 |
evt.set_threshold(threshold); |
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|
235 |
evt.set_thresholdPercentage(internal_target_occupancy > 0 ? ((double)threshold / internal_target_occupancy) : 0.0); |
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|
236 |
evt.set_ihopTargetOccupancy(internal_target_occupancy); |
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|
237 |
evt.set_currentOccupancy(current_occupancy); |
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evt.set_additionalBufferSize(additional_buffer_size); |
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evt.set_predictedAllocationRate(predicted_allocation_rate); |
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evt.set_predictedMarkingDuration(predicted_marking_length * MILLIUNITS); |
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evt.set_predictionActive(prediction_active); |
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evt.commit(); |
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} |
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} |
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|
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void G1OldTracer::report_gc_start_impl(GCCause::Cause cause, const Ticks& timestamp) { |
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_shared_gc_info.set_start_timestamp(timestamp); |
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} |
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|
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void G1OldTracer::set_gc_cause(GCCause::Cause cause) { |
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_shared_gc_info.set_cause(cause); |
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} |
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|
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void G1MMUTracer::report_mmu(double time_slice_sec, double gc_time_sec, double max_time_sec) { |
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send_g1_mmu_event(time_slice_sec * MILLIUNITS, |
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gc_time_sec * MILLIUNITS, |
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max_time_sec * MILLIUNITS); |
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} |
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|
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void G1MMUTracer::send_g1_mmu_event(double time_slice_ms, double gc_time_ms, double max_time_ms) { |
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EventG1MMU e; |
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if (e.should_commit()) { |
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e.set_gcId(GCId::current()); |
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e.set_timeSlice(time_slice_ms); |
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e.set_gcTime(gc_time_ms); |
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e.set_pauseTarget(max_time_ms); |
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e.commit(); |
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} |
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} |