/* * Copyright (c) 2017, 2020, Red Hat, Inc. 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_SHENANDOAH_SHENANDOAHPHASETIMINGS_HPP #define SHARE_GC_SHENANDOAH_SHENANDOAHPHASETIMINGS_HPP #include "jfr/jfrEvents.hpp" #include "gc/shenandoah/shenandoahNumberSeq.hpp" #include "gc/shared/workerDataArray.hpp" #include "memory/allocation.hpp" class ShenandoahCollectorPolicy; class outputStream; #define SHENANDOAH_PAR_PHASE_DO(CNT_PREFIX, DESC_PREFIX, f) \ f(CNT_PREFIX ## TotalWork, DESC_PREFIX "") \ f(CNT_PREFIX ## ThreadRoots, DESC_PREFIX "Thread Roots") \ f(CNT_PREFIX ## CodeCacheRoots, DESC_PREFIX "Code Cache Roots") \ f(CNT_PREFIX ## UniverseRoots, DESC_PREFIX "Universe Roots") \ f(CNT_PREFIX ## JNIRoots, DESC_PREFIX "JNI Handles Roots") \ f(CNT_PREFIX ## JVMTIWeakRoots, DESC_PREFIX "JVMTI Weak Roots") \ f(CNT_PREFIX ## JFRWeakRoots, DESC_PREFIX "JFR Weak Roots") \ f(CNT_PREFIX ## JNIWeakRoots, DESC_PREFIX "JNI Weak Roots") \ f(CNT_PREFIX ## StringTableRoots, DESC_PREFIX "String Table Roots") \ f(CNT_PREFIX ## ResolvedMethodTableRoots, DESC_PREFIX "Resolved Table Roots") \ f(CNT_PREFIX ## VMGlobalRoots, DESC_PREFIX "VM Global Roots") \ f(CNT_PREFIX ## VMWeakRoots, DESC_PREFIX "VM Weak Roots") \ f(CNT_PREFIX ## ObjectSynchronizerRoots, DESC_PREFIX "Synchronizer Roots") \ f(CNT_PREFIX ## ManagementRoots, DESC_PREFIX "Management Roots") \ f(CNT_PREFIX ## CLDGRoots, DESC_PREFIX "CLDG Roots") \ f(CNT_PREFIX ## JVMTIRoots, DESC_PREFIX "JVMTI Roots") \ f(CNT_PREFIX ## StringDedupTableRoots, DESC_PREFIX "Dedup Table Roots") \ f(CNT_PREFIX ## StringDedupQueueRoots, DESC_PREFIX "Dedup Queue Roots") \ f(CNT_PREFIX ## FinishQueues, DESC_PREFIX "Finish Queues") \ // end #define SHENANDOAH_PHASE_DO(f) \ f(conc_reset, "Concurrent Reset") \ \ f(init_mark_gross, "Pause Init Mark (G)") \ f(init_mark, "Pause Init Mark (N)") \ f(init_manage_tlabs, " Manage TLABs") \ f(init_update_region_states, " Update Region States") \ f(scan_roots, " Scan Roots") \ SHENANDOAH_PAR_PHASE_DO(scan_, " S: ", f) \ \ f(conc_mark, "Concurrent Marking") \ f(conc_mark_roots, " Roots ") \ SHENANDOAH_PAR_PHASE_DO(conc_mark_roots, " CM: ", f) \ \ f(conc_preclean, "Concurrent Precleaning") \ \ f(final_mark_gross, "Pause Final Mark (G)") \ f(final_mark, "Pause Final Mark (N)") \ f(update_roots, " Update Roots") \ SHENANDOAH_PAR_PHASE_DO(update_, " U: ", f) \ f(finish_queues, " Finish Queues") \ f(weakrefs, " Weak References") \ f(weakrefs_process, " Process") \ f(purge, " System Purge") \ f(purge_class_unload, " Unload Classes") \ SHENANDOAH_PAR_PHASE_DO(purge_cu_par_, " CU: ", f) \ f(purge_weak_par, " Weak Roots") \ SHENANDOAH_PAR_PHASE_DO(purge_weak_par_, " WR: ", f) \ f(purge_cldg, " CLDG") \ f(final_update_region_states, " Update Region States") \ f(final_manage_labs, " Manage GC/TLABs") \ f(choose_cset, " Choose Collection Set") \ f(final_rebuild_freeset, " Rebuild Free Set") \ f(init_evac, " Initial Evacuation") \ SHENANDOAH_PAR_PHASE_DO(evac_, " E: ", f) \ \ f(conc_weak_roots, "Concurrent Weak Roots") \ f(conc_weak_roots_work, " Roots") \ SHENANDOAH_PAR_PHASE_DO(conc_weak_roots_work_, " CWR: ", f) \ f(conc_weak_roots_rendezvous, " Rendezvous") \ f(conc_cleanup_early, "Concurrent Cleanup") \ f(conc_class_unload, "Concurrent Class Unloading") \ f(conc_class_unload_unlink, " Unlink Stale") \ f(conc_class_unload_unlink_sd, " System Dictionary") \ f(conc_class_unload_unlink_weak_klass, " Weak Class Links") \ f(conc_class_unload_unlink_code_roots, " Code Roots") \ f(conc_class_unload_rendezvous, " Rendezvous") \ f(conc_class_unload_purge, " Purge Unlinked") \ f(conc_class_unload_purge_coderoots, " Code Roots") \ f(conc_class_unload_purge_cldg, " CLDG") \ f(conc_class_unload_purge_ec, " Exception Caches") \ f(conc_strong_roots, "Concurrent Strong Roots") \ SHENANDOAH_PAR_PHASE_DO(conc_strong_roots_, " CSR: ", f) \ f(conc_evac, "Concurrent Evacuation") \ \ f(init_update_refs_gross, "Pause Init Update Refs (G)") \ f(init_update_refs, "Pause Init Update Refs (N)") \ f(init_update_refs_manage_gclabs, " Manage GCLABs") \ \ f(conc_update_refs, "Concurrent Update Refs") \ \ f(final_update_refs_gross, "Pause Final Update Refs (G)") \ f(final_update_refs, "Pause Final Update Refs (N)") \ f(final_update_refs_finish_work, " Finish Work") \ f(final_update_refs_roots, " Update Roots") \ SHENANDOAH_PAR_PHASE_DO(final_update_, " UR: ", f) \ f(final_update_refs_update_region_states, " Update Region States") \ f(final_update_refs_trash_cset, " Trash Collection Set") \ f(final_update_refs_rebuild_freeset, " Rebuild Free Set") \ \ f(conc_cleanup_complete, "Concurrent Cleanup") \ \ f(degen_gc_gross, "Pause Degenerated GC (G)") \ f(degen_gc, "Pause Degenerated GC (N)") \ f(degen_gc_scan_conc_roots, " Degen Mark Roots") \ SHENANDOAH_PAR_PHASE_DO(degen_gc_conc_mark_, " DM: ", f) \ f(degen_gc_update_roots, " Degen Update Roots") \ SHENANDOAH_PAR_PHASE_DO(degen_gc_update_, " DU: ", f) \ \ f(full_gc_gross, "Pause Full GC (G)") \ f(full_gc, "Pause Full GC (N)") \ f(full_gc_heapdump_pre, " Pre Heap Dump") \ f(full_gc_prepare, " Prepare") \ f(full_gc_scan_roots, " Scan Roots") \ SHENANDOAH_PAR_PHASE_DO(full_gc_scan_roots_, " FS: ", f) \ f(full_gc_scan_conc_roots, " Scan Concurrent Roots") \ SHENANDOAH_PAR_PHASE_DO(full_gc_scan_conc_roots, " FCS: ", f) \ f(full_gc_update_roots, " Update Roots") \ SHENANDOAH_PAR_PHASE_DO(full_gc_update_roots_, " FU: ", f) \ f(full_gc_mark, " Mark") \ f(full_gc_mark_finish_queues, " Finish Queues") \ f(full_gc_weakrefs, " Weak References") \ f(full_gc_weakrefs_process, " Process") \ f(full_gc_purge, " System Purge") \ f(full_gc_purge_class_unload, " Unload Classes") \ SHENANDOAH_PAR_PHASE_DO(full_gc_purge_cu_par_, " CU: ", f) \ f(full_gc_purge_weak_par, " Weak Roots") \ SHENANDOAH_PAR_PHASE_DO(full_gc_purge_weak_p_, " WR: ", f) \ f(full_gc_purge_cldg, " CLDG") \ f(full_gc_calculate_addresses, " Calculate Addresses") \ f(full_gc_calculate_addresses_regular, " Regular Objects") \ f(full_gc_calculate_addresses_humong, " Humongous Objects") \ f(full_gc_adjust_pointers, " Adjust Pointers") \ f(full_gc_adjust_roots, " Adjust Roots") \ SHENANDOAH_PAR_PHASE_DO(full_gc_adjust_roots_, " FA: ", f) \ f(full_gc_copy_objects, " Copy Objects") \ f(full_gc_copy_objects_regular, " Regular Objects") \ f(full_gc_copy_objects_humong, " Humongous Objects") \ f(full_gc_copy_objects_reset_complete, " Reset Complete Bitmap") \ f(full_gc_copy_objects_rebuild, " Rebuild Region Sets") \ f(full_gc_heapdump_post, " Post Heap Dump") \ \ f(conc_uncommit, "Concurrent Uncommit") \ \ f(heap_iteration_roots, "Heap Iteration") \ SHENANDOAH_PAR_PHASE_DO(heap_iteration_roots_, " HI: ", f) \ // end typedef WorkerDataArray ShenandoahWorkerData; class ShenandoahPhaseTimings : public CHeapObj { friend class ShenandoahGCPhase; friend class ShenandoahWorkerTimingsTracker; public: #define SHENANDOAH_PHASE_DECLARE_ENUM(type, title) type, enum Phase { SHENANDOAH_PHASE_DO(SHENANDOAH_PHASE_DECLARE_ENUM) _num_phases, _invalid_phase = _num_phases }; enum ParPhase { SHENANDOAH_PAR_PHASE_DO(,, SHENANDOAH_PHASE_DECLARE_ENUM) _num_par_phases }; #undef SHENANDOAH_PHASE_DECLARE_ENUM private: uint _max_workers; double _cycle_data[_num_phases]; HdrSeq _global_data[_num_phases]; static const char* _phase_names[_num_phases]; ShenandoahWorkerData* _worker_data[_num_phases]; ShenandoahCollectorPolicy* _policy; static bool is_worker_phase(Phase phase); static bool is_root_work_phase(Phase phase); ShenandoahWorkerData* worker_data(Phase phase, ParPhase par_phase); Phase worker_par_phase(Phase phase, ParPhase par_phase); void set_cycle_data(Phase phase, double time); static double uninitialized() { return -1; } public: ShenandoahPhaseTimings(uint max_workers); void record_phase_time(Phase phase, double time); void record_workers_start(Phase phase); void record_workers_end(Phase phase); void flush_par_workers_to_cycle(); void flush_cycle_to_global(); static const char* phase_name(Phase phase) { assert(phase >= 0 && phase < _num_phases, "Out of bound"); return _phase_names[phase]; } void print_cycle_on(outputStream* out) const; void print_global_on(outputStream* out) const; }; class ShenandoahWorkerTimingsTracker : public StackObj { private: ShenandoahPhaseTimings* const _timings; ShenandoahPhaseTimings::Phase const _phase; ShenandoahPhaseTimings::ParPhase const _par_phase; uint const _worker_id; double _start_time; EventGCPhaseParallel _event; public: ShenandoahWorkerTimingsTracker(ShenandoahPhaseTimings::Phase phase, ShenandoahPhaseTimings::ParPhase par_phase, uint worker_id); ~ShenandoahWorkerTimingsTracker(); }; #endif // SHARE_GC_SHENANDOAH_SHENANDOAHPHASETIMINGS_HPP