387 lines
26 KiB
C++
387 lines
26 KiB
C++
/*
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* Copyright (c) 2017, 2019, Red Hat, Inc. All rights reserved.
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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_SHENANDOAH_SHENANDOAHPHASETIMINGS_HPP
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#define SHARE_GC_SHENANDOAH_SHENANDOAHPHASETIMINGS_HPP
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#include "gc/shenandoah/shenandoahNumberSeq.hpp"
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#include "gc/shared/workerDataArray.hpp"
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#include "memory/allocation.hpp"
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class ShenandoahCollectorPolicy;
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class ShenandoahWorkerTimings;
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class ShenandoahTerminationTimings;
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class outputStream;
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#define SHENANDOAH_GC_PHASE_DO(f) \
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f(total_pause_gross, "Total Pauses (G)") \
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f(total_pause, "Total Pauses (N)") \
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f(init_mark_gross, "Pause Init Mark (G)") \
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f(init_mark, "Pause Init Mark (N)") \
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f(make_parsable, " Make Parsable") \
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f(clear_liveness, " Clear Liveness") \
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\
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/* Per-thread timer block, should have "roots" counters in consistent order */ \
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f(scan_roots, " Scan Roots") \
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f(scan_thread_roots, " S: Thread Roots") \
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f(scan_code_roots, " S: Code Cache Roots") \
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f(scan_universe_roots, " S: Universe Roots") \
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f(scan_jni_roots, " S: JNI Roots") \
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f(scan_jni_weak_roots, " S: JNI Weak Roots") \
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f(scan_synchronizer_roots, " S: Synchronizer Roots") \
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f(scan_management_roots, " S: Management Roots") \
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f(scan_system_dictionary_roots, " S: System Dict Roots") \
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f(scan_cldg_roots, " S: CLDG Roots") \
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f(scan_jvmti_roots, " S: JVMTI Roots") \
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f(scan_string_dedup_table_roots, " S: Dedup Table Roots") \
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f(scan_string_dedup_queue_roots, " S: Dedup Queue Roots") \
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f(scan_finish_queues, " S: Finish Queues" ) \
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\
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f(resize_tlabs, " Resize TLABs") \
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\
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f(final_mark_gross, "Pause Final Mark (G)") \
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f(final_mark, "Pause Final Mark (N)") \
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\
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/* Per-thread timer block, should have "roots" counters in consistent order */ \
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f(update_roots, " Update Roots") \
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f(update_thread_roots, " U: Thread Roots") \
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f(update_code_roots, " U: Code Cache Roots") \
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f(update_universe_roots, " U: Universe Roots") \
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f(update_jni_roots, " U: JNI Roots") \
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f(update_jni_weak_roots, " U: JNI Weak Roots") \
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f(update_synchronizer_roots, " U: Synchronizer Roots") \
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f(update_management_roots, " U: Management Roots") \
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f(update_system_dictionary_roots, " U: System Dict Roots") \
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f(update_cldg_roots, " U: CLDG Roots") \
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f(update_jvmti_roots, " U: JVMTI Roots") \
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f(update_string_dedup_table_roots, " U: Dedup Table Roots") \
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f(update_string_dedup_queue_roots, " U: Dedup Queue Roots") \
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f(update_finish_queues, " U: Finish Queues") \
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\
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f(finish_queues, " Finish Queues") \
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f(termination, " Termination") \
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f(weakrefs, " Weak References") \
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f(weakrefs_process, " Process") \
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f(weakrefs_termination, " Termination") \
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f(purge, " System Purge") \
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f(purge_class_unload, " Unload Classes") \
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f(purge_par, " Parallel Cleanup") \
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f(purge_cldg, " CLDG") \
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f(complete_liveness, " Complete Liveness") \
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f(prepare_evac, " Prepare Evacuation") \
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f(recycle_regions, " Recycle regions") \
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\
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/* Per-thread timer block, should have "roots" counters in consistent order */ \
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f(init_evac, " Initial Evacuation") \
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f(evac_thread_roots, " E: Thread Roots") \
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f(evac_code_roots, " E: Code Cache Roots") \
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f(evac_universe_roots, " E: Universe Roots") \
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f(evac_jni_roots, " E: JNI Roots") \
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f(evac_jni_weak_roots, " E: JNI Weak Roots") \
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f(evac_synchronizer_roots, " E: Synchronizer Roots") \
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f(evac_management_roots, " E: Management Roots") \
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f(evac_system_dictionary_roots, " E: System Dict Roots") \
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f(evac_cldg_roots, " E: CLDG Roots") \
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f(evac_jvmti_roots, " E: JVMTI Roots") \
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f(evac_string_dedup_table_roots, " E: String Dedup Table Roots") \
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f(evac_string_dedup_queue_roots, " E: String Dedup Queue Roots") \
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f(evac_finish_queues, " E: Finish Queues") \
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\
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f(final_evac_gross, "Pause Final Evac (G)") \
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f(final_evac, "Pause Final Evac (N)") \
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\
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f(init_update_refs_gross, "Pause Init Update Refs (G)") \
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f(init_update_refs, "Pause Init Update Refs (N)") \
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\
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f(final_update_refs_gross, "Pause Final Update Refs (G)") \
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f(final_update_refs, "Pause Final Update Refs (N)") \
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f(final_update_refs_finish_work, " Finish Work") \
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\
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/* Per-thread timer block, should have "roots" counters in consistent order */ \
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f(final_update_refs_roots, " Update Roots") \
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f(final_update_refs_thread_roots, " UR: Thread Roots") \
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f(final_update_refs_code_roots, " UR: Code Cache Roots") \
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f(final_update_refs_universe_roots, " UR: Universe Roots") \
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f(final_update_refs_jni_roots, " UR: JNI Roots") \
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f(final_update_refs_jni_weak_roots, " UR: JNI Weak Roots") \
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f(final_update_refs_synchronizer_roots, " UR: Synchronizer Roots") \
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f(final_update_refs_management_roots, " UR: Management Roots") \
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f(final_update_refs_system_dict_roots, " UR: System Dict Roots") \
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f(final_update_refs_cldg_roots, " UR: CLDG Roots") \
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f(final_update_refs_jvmti_roots, " UR: JVMTI Roots") \
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f(final_update_refs_string_dedup_table_roots, " UR: Dedup Table Roots") \
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f(final_update_refs_string_dedup_queue_roots, " UR: Dedup Queue Roots") \
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f(final_update_refs_finish_queues, " UR: Finish Queues") \
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\
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f(final_update_refs_recycle, " Recycle") \
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\
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f(degen_gc_gross, "Pause Degenerated GC (G)") \
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f(degen_gc, "Pause Degenerated GC (N)") \
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\
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/* Per-thread timer block, should have "roots" counters in consistent order */ \
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f(degen_gc_update_roots, " Degen Update Roots") \
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f(degen_gc_update_thread_roots, " DU: Thread Roots") \
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f(degen_gc_update_code_roots, " DU: Code Cache Roots") \
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f(degen_gc_update_universe_roots, " DU: Universe Roots") \
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f(degen_gc_update_jni_roots, " DU: JNI Roots") \
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f(degen_gc_update_jni_weak_roots, " DU: JNI Weak Roots") \
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f(degen_gc_update_synchronizer_roots, " DU: Synchronizer Roots") \
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f(degen_gc_update_management_roots, " DU: Management Roots") \
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f(degen_gc_update_system_dict_roots, " DU: System Dict Roots") \
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f(degen_gc_update_cldg_roots, " DU: CLDG Roots") \
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f(degen_gc_update_jvmti_roots, " DU: JVMTI Roots") \
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f(degen_gc_update_string_dedup_table_roots, " DU: Dedup Table Roots") \
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f(degen_gc_update_string_dedup_queue_roots, " DU: Dedup Queue Roots") \
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f(degen_gc_update_finish_queues, " DU: Finish Queues") \
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\
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f(init_traversal_gc_gross, "Pause Init Traversal (G)") \
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f(init_traversal_gc, "Pause Init Traversal (N)") \
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f(traversal_gc_prepare, " Prepare") \
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f(traversal_gc_make_parsable, " Make Parsable") \
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f(traversal_gc_resize_tlabs, " Resize TLABs") \
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\
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/* Per-thread timer block, should have "roots" counters in consistent order */ \
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f(init_traversal_gc_work, " Work") \
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f(init_traversal_gc_thread_roots, " TI: Thread Roots") \
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f(init_traversal_gc_code_roots, " TI: Code Cache Roots") \
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f(init_traversal_gc_universe_roots, " TI: Universe Roots") \
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f(init_traversal_gc_jni_roots, " TI: JNI Roots") \
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f(init_traversal_gc_jni_weak_roots, " TI: JNI Weak Roots") \
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f(init_traversal_gc_synchronizer_roots, " TI: Synchronizer Roots") \
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f(init_traversal_gc_management_roots, " TI: Management Roots") \
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f(init_traversal_gc_system_dict_roots, " TI: System Dict Roots") \
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f(init_traversal_gc_cldg_roots, " TI: CLDG Roots") \
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f(init_traversal_gc_jvmti_roots, " TI: JVMTI Roots") \
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f(init_traversal_gc_string_dedup_table_roots, " TI: Dedup Table Roots") \
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f(init_traversal_gc_string_dedup_queue_roots, " TI: Dedup Queue Roots") \
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f(init_traversal_gc_finish_queues, " TI: Finish Queues") \
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\
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f(final_traversal_gc_gross, "Pause Final Traversal (G)") \
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f(final_traversal_gc, "Pause Final Traversal (N)") \
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\
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/* Per-thread timer block, should have "roots" counters in consistent order */ \
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f(final_traversal_gc_work, " Work") \
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f(final_traversal_gc_thread_roots, " TF: Thread Roots") \
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f(final_traversal_gc_code_roots, " TF: Code Cache Roots") \
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f(final_traversal_gc_universe_roots, " TF: Universe Roots") \
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f(final_traversal_gc_jni_roots, " TF: JNI Roots") \
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f(final_traversal_gc_jni_weak_roots, " TF: JNI Weak Roots") \
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f(final_traversal_gc_synchronizer_roots, " TF: Synchronizer Roots") \
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f(final_traversal_gc_management_roots, " TF: Management Roots") \
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f(final_traversal_gc_system_dict_roots, " TF: System Dict Roots") \
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f(final_traversal_gc_cldg_roots, " TF: CLDG Roots") \
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f(final_traversal_gc_jvmti_roots, " TF: JVMTI Roots") \
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f(final_traversal_gc_string_dedup_table_roots, " TF: Dedup Table Roots") \
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f(final_traversal_gc_string_dedup_queue_roots, " TF: Dedup Queue Roots") \
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f(final_traversal_gc_finish_queues, " TF: Finish Queues") \
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f(final_traversal_gc_termination, " TF: Termination") \
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\
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/* Per-thread timer block, should have "roots" counters in consistent order */ \
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f(final_traversal_update_roots, " Update Roots") \
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f(final_traversal_update_thread_roots, " TU: Thread Roots") \
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f(final_traversal_update_code_roots, " TU: Code Cache Roots") \
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f(final_traversal_update_universe_roots, " TU: Universe Roots") \
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f(final_traversal_update_jni_roots, " TU: JNI Roots") \
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f(final_traversal_update_jni_weak_roots, " TU: JNI Weak Roots") \
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f(final_traversal_update_synchronizer_roots, " TU: Synchronizer Roots") \
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f(final_traversal_update_management_roots, " TU: Management Roots") \
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f(final_traversal_update_system_dict_roots, " TU: System Dict Roots") \
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f(final_traversal_update_cldg_roots, " TU: CLDG Roots") \
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f(final_traversal_update_jvmti_roots, " TU: JVMTI Roots") \
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f(final_traversal_update_string_dedup_table_roots, " TU: Dedup Table Roots") \
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f(final_traversal_update_string_dedup_queue_roots, " TU: Dedup Queue Roots") \
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f(final_traversal_update_finish_queues, " TU: Finish Queues") \
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\
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f(traversal_gc_cleanup, " Cleanup") \
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\
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f(full_gc_gross, "Pause Full GC (G)") \
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f(full_gc, "Pause Full GC (N)") \
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f(full_gc_heapdumps, " Heap Dumps") \
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f(full_gc_prepare, " Prepare") \
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\
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/* Per-thread timer block, should have "roots" counters in consistent order */ \
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f(full_gc_roots, " Roots") \
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f(full_gc_thread_roots, " F: Thread Roots") \
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f(full_gc_code_roots, " F: Code Cache Roots") \
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f(full_gc_universe_roots, " F: Universe Roots") \
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f(full_gc_jni_roots, " F: JNI Roots") \
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f(full_gc_jni_weak_roots, " F: JNI Weak Roots") \
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f(full_gc_synchronizer_roots, " F: Synchronizer Roots") \
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f(full_gc_management_roots, " F: Management Roots") \
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f(full_gc_system_dictionary_roots, " F: System Dict Roots") \
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f(full_gc_cldg_roots, " F: CLDG Roots") \
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f(full_gc_jvmti_roots, " F: JVMTI Roots") \
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f(full_gc_string_dedup_table_roots, " F: Dedup Table Roots") \
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f(full_gc_string_dedup_queue_roots, " F: Dedup Queue Roots") \
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f(full_gc_finish_queues, " F: Finish Queues") \
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\
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f(full_gc_mark, " Mark") \
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f(full_gc_mark_finish_queues, " Finish Queues") \
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f(full_gc_mark_termination, " Termination") \
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f(full_gc_weakrefs, " Weak References") \
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f(full_gc_weakrefs_process, " Process") \
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f(full_gc_weakrefs_termination, " Termination") \
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f(full_gc_purge, " System Purge") \
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f(full_gc_purge_class_unload, " Unload Classes") \
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f(full_gc_purge_par, " Parallel Cleanup") \
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f(full_gc_purge_cldg, " CLDG") \
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f(full_gc_calculate_addresses, " Calculate Addresses") \
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f(full_gc_calculate_addresses_regular, " Regular Objects") \
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f(full_gc_calculate_addresses_humong, " Humongous Objects") \
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f(full_gc_adjust_pointers, " Adjust Pointers") \
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f(full_gc_copy_objects, " Copy Objects") \
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f(full_gc_copy_objects_regular, " Regular Objects") \
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f(full_gc_copy_objects_humong, " Humongous Objects") \
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f(full_gc_copy_objects_reset_complete, " Reset Complete Bitmap") \
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f(full_gc_copy_objects_rebuild, " Rebuild Region Sets") \
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f(full_gc_resize_tlabs, " Resize TLABs") \
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\
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/* Longer concurrent phases at the end */ \
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f(conc_reset, "Concurrent Reset") \
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f(conc_mark, "Concurrent Marking") \
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f(conc_termination, " Termination") \
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f(conc_preclean, "Concurrent Precleaning") \
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f(conc_evac, "Concurrent Evacuation") \
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f(conc_update_refs, "Concurrent Update Refs") \
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f(conc_cleanup, "Concurrent Cleanup") \
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f(conc_traversal, "Concurrent Traversal") \
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f(conc_traversal_termination, " Termination") \
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\
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f(conc_uncommit, "Concurrent Uncommit") \
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\
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/* Unclassified */ \
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f(pause_other, "Pause Other") \
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f(conc_other, "Concurrent Other") \
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// end
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#define SHENANDOAH_GC_PAR_PHASE_DO(f) \
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f(ThreadRoots, "Thread Roots (ms):") \
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f(CodeCacheRoots, "CodeCache Roots (ms):") \
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f(UniverseRoots, "Universe Roots (ms):") \
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f(JNIRoots, "JNI Handles Roots (ms):") \
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f(JNIWeakRoots, "JNI Weak Roots (ms):") \
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f(ObjectSynchronizerRoots, "ObjectSynchronizer Roots (ms):") \
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f(ManagementRoots, "Management Roots (ms):") \
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f(SystemDictionaryRoots, "SystemDictionary Roots (ms):") \
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f(CLDGRoots, "CLDG Roots (ms):") \
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f(JVMTIRoots, "JVMTI Roots (ms):") \
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f(StringDedupTableRoots, "String Dedup Table Roots (ms):") \
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f(StringDedupQueueRoots, "String Dedup Queue Roots (ms):") \
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f(FinishQueues, "Finish Queues (ms):") \
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// end
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class ShenandoahPhaseTimings : public CHeapObj<mtGC> {
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public:
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#define GC_PHASE_DECLARE_ENUM(type, title) type,
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enum Phase {
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SHENANDOAH_GC_PHASE_DO(GC_PHASE_DECLARE_ENUM)
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_num_phases
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};
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// These are the subphases of GC phases (scan_roots, update_roots,
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// init_evac, final_update_refs_roots and full_gc_roots).
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// Make sure they are following this order.
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enum GCParPhases {
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SHENANDOAH_GC_PAR_PHASE_DO(GC_PHASE_DECLARE_ENUM)
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GCParPhasesSentinel
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};
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#undef GC_PHASE_DECLARE_ENUM
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private:
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struct TimingData {
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HdrSeq _secs;
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double _start;
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};
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private:
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TimingData _timing_data[_num_phases];
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static const char* _phase_names[_num_phases];
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ShenandoahWorkerTimings* _worker_times;
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ShenandoahTerminationTimings* _termination_times;
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ShenandoahCollectorPolicy* _policy;
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public:
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ShenandoahPhaseTimings();
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ShenandoahWorkerTimings* const worker_times() const { return _worker_times; }
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ShenandoahTerminationTimings* const termination_times() const { return _termination_times; }
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// record phase start
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void record_phase_start(Phase phase);
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// record phase end and return elapsed time in seconds for the phase
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void record_phase_end(Phase phase);
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// record an elapsed time for the phase
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void record_phase_time(Phase phase, double time);
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void record_workers_start(Phase phase);
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void record_workers_end(Phase phase);
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static const char* phase_name(Phase phase) {
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assert(phase >= 0 && phase < _num_phases, "Out of bound");
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return _phase_names[phase];
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}
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void print_on(outputStream* out) const;
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private:
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void init_phase_names();
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void print_summary_sd(outputStream* out, const char* str, const HdrSeq* seq) const;
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};
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class ShenandoahWorkerTimings : public CHeapObj<mtGC> {
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private:
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uint _max_gc_threads;
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WorkerDataArray<double>* _gc_par_phases[ShenandoahPhaseTimings::GCParPhasesSentinel];
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public:
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ShenandoahWorkerTimings(uint max_gc_threads);
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// record the time a phase took in seconds
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void record_time_secs(ShenandoahPhaseTimings::GCParPhases phase, uint worker_i, double secs);
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double average(uint i) const;
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void reset(uint i);
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void print() const;
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};
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class ShenandoahTerminationTimings : public CHeapObj<mtGC> {
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private:
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WorkerDataArray<double>* _gc_termination_phase;
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public:
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ShenandoahTerminationTimings(uint max_gc_threads);
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// record the time a phase took in seconds
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void record_time_secs(uint worker_i, double secs);
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double average() const;
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void reset();
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void print() const;
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};
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#endif // SHARE_GC_SHENANDOAH_SHENANDOAHPHASETIMINGS_HPP
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