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src/share/vm/gc_implementation/shenandoah/shenandoahPhaseTimings.hpp
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rev 10493 : [Backport] Shenandoah string deduplication
rev 10503 : [backport] More verbose profiling for phase 4 in mark-compact
rev 10552 : [backport] Concurrent uncommit should be recorded as GC event
rev 10561 : [backport] Add task termination and enhanced task queue state tracking + weakrefs
rev 10571 : [backport] Complete liveness for recently allocated regions outside the allocation path
rev 10637 : [backport] Purge partial heuristics and connection matrix infrastructure
*** 30,39 ****
--- 30,40 ----
#include "gc_implementation/shenandoah/shenandoahWorkerDataArray.hpp"
#include "gc_implementation/shenandoah/shenandoahWorkerDataArray.inline.hpp"
class ShenandoahCollectorPolicy;
class ShenandoahWorkerTimings;
+ class ShenandoahTerminationTimings;
class outputStream;
class ShenandoahPhaseTimings : public CHeapObj<mtGC> {
public:
enum Phase {
*** 58,67 ****
--- 59,69 ----
scan_flat_profiler_roots,
scan_management_roots,
scan_system_dictionary_roots,
scan_cldg_roots,
scan_jvmti_roots,
+ scan_string_dedup_roots,
scan_finish_queues,
resize_tlabs,
final_mark_gross,
*** 79,105 ****
update_flat_profiler_roots,
update_management_roots,
update_system_dictionary_roots,
update_cldg_roots,
update_jvmti_roots,
update_finish_queues,
finish_queues,
weakrefs,
weakrefs_process,
weakrefs_enqueue,
purge,
purge_class_unload,
purge_par,
purge_par_codecache,
purge_par_symbstring,
purge_par_rmt,
purge_par_classes,
purge_par_sync,
purge_cldg,
- clean_str_dedup_table,
prepare_evac,
recycle_regions,
// Per-thread timer block, should have "roots" counters in consistent order
init_evac,
evac_thread_roots,
--- 81,111 ----
update_flat_profiler_roots,
update_management_roots,
update_system_dictionary_roots,
update_cldg_roots,
update_jvmti_roots,
+ update_string_dedup_roots,
update_finish_queues,
finish_queues,
+ termination,
weakrefs,
weakrefs_process,
+ weakrefs_termination,
weakrefs_enqueue,
purge,
purge_class_unload,
purge_par,
purge_par_codecache,
purge_par_symbstring,
purge_par_rmt,
purge_par_classes,
purge_par_sync,
+ purge_par_string_dedup,
purge_cldg,
prepare_evac,
+ complete_liveness,
recycle_regions,
// Per-thread timer block, should have "roots" counters in consistent order
init_evac,
evac_thread_roots,
*** 112,121 ****
--- 118,128 ----
evac_flat_profiler_roots,
evac_management_roots,
evac_system_dictionary_roots,
evac_cldg_roots,
evac_jvmti_roots,
+ evac_string_dedup_roots,
evac_finish_queues,
final_evac_gross,
final_evac,
*** 138,172 ****
final_update_refs_flat_profiler_roots,
final_update_refs_management_roots,
final_update_refs_system_dict_roots,
final_update_refs_cldg_roots,
final_update_refs_jvmti_roots,
final_update_refs_finish_queues,
final_update_refs_recycle,
- partial_gc_gross,
- partial_gc,
- partial_gc_prepare,
-
- // Per-thread timer block, should have "roots" counters in consistent order
- partial_gc_work,
- partial_gc_thread_roots,
- partial_gc_code_roots,
- partial_gc_string_table_roots,
- partial_gc_universe_roots,
- partial_gc_jni_roots,
- partial_gc_jni_weak_roots,
- partial_gc_synchronizer_roots,
- partial_gc_flat_profiler_roots,
- partial_gc_management_roots,
- partial_gc_system_dict_roots,
- partial_gc_cldg_roots,
- partial_gc_jvmti_roots,
- partial_gc_update_str_dedup_table,
- partial_gc_recycle,
-
degen_gc_gross,
degen_gc,
full_gc_gross,
full_gc,
--- 145,159 ----
final_update_refs_flat_profiler_roots,
final_update_refs_management_roots,
final_update_refs_system_dict_roots,
final_update_refs_cldg_roots,
final_update_refs_jvmti_roots,
+ final_update_refs_string_dedup_roots,
final_update_refs_finish_queues,
final_update_refs_recycle,
degen_gc_gross,
degen_gc,
full_gc_gross,
full_gc,
*** 185,239 ****
full_gc_flat_profiler_roots,
full_gc_management_roots,
full_gc_system_dictionary_roots,
full_gc_cldg_roots,
full_gc_jvmti_roots,
full_gc_finish_queues,
full_gc_mark,
full_gc_mark_finish_queues,
full_gc_weakrefs,
full_gc_weakrefs_process,
full_gc_weakrefs_enqueue,
full_gc_purge,
full_gc_purge_class_unload,
full_gc_purge_par,
full_gc_purge_par_codecache,
full_gc_purge_par_symbstring,
full_gc_purge_par_rmt,
full_gc_purge_par_classes,
full_gc_purge_par_sync,
full_gc_purge_cldg,
full_gc_calculate_addresses,
full_gc_calculate_addresses_regular,
full_gc_calculate_addresses_humong,
full_gc_adjust_pointers,
full_gc_copy_objects,
full_gc_copy_objects_regular,
full_gc_copy_objects_humong,
full_gc_update_str_dedup_table,
full_gc_resize_tlabs,
// Longer concurrent phases at the end
conc_mark,
conc_preclean,
conc_evac,
conc_update_refs,
conc_cleanup,
conc_cleanup_recycle,
conc_cleanup_reset_bitmaps,
// Unclassified
pause_other,
conc_other,
_num_phases
};
// These are the subphases of GC phases (scan_roots, update_roots,
! // init_evac, final_update_refs_roots, partial_gc_work and full_gc_roots).
// Make sure they are following this order.
enum GCParPhases {
ThreadRoots,
CodeCacheRoots,
StringTableRoots,
--- 172,236 ----
full_gc_flat_profiler_roots,
full_gc_management_roots,
full_gc_system_dictionary_roots,
full_gc_cldg_roots,
full_gc_jvmti_roots,
+ full_gc_string_dedup_roots,
full_gc_finish_queues,
full_gc_mark,
full_gc_mark_finish_queues,
+ full_gc_mark_termination,
full_gc_weakrefs,
full_gc_weakrefs_process,
+ full_gc_weakrefs_termination,
full_gc_weakrefs_enqueue,
full_gc_purge,
full_gc_purge_class_unload,
full_gc_purge_par,
full_gc_purge_par_codecache,
full_gc_purge_par_symbstring,
full_gc_purge_par_rmt,
full_gc_purge_par_classes,
full_gc_purge_par_sync,
full_gc_purge_cldg,
+ full_gc_purge_par_string_dedup,
full_gc_calculate_addresses,
full_gc_calculate_addresses_regular,
full_gc_calculate_addresses_humong,
full_gc_adjust_pointers,
full_gc_copy_objects,
full_gc_copy_objects_regular,
full_gc_copy_objects_humong,
+ full_gc_copy_objects_reset_next,
+ full_gc_copy_objects_reset_complete,
+ full_gc_copy_objects_rebuild,
full_gc_update_str_dedup_table,
full_gc_resize_tlabs,
// Longer concurrent phases at the end
conc_mark,
+ conc_termination,
conc_preclean,
conc_evac,
conc_update_refs,
conc_cleanup,
conc_cleanup_recycle,
conc_cleanup_reset_bitmaps,
+ conc_uncommit,
+
// Unclassified
pause_other,
conc_other,
_num_phases
};
// These are the subphases of GC phases (scan_roots, update_roots,
! // init_evac, final_update_refs_roots, and full_gc_roots).
// Make sure they are following this order.
enum GCParPhases {
ThreadRoots,
CodeCacheRoots,
StringTableRoots,
*** 244,253 ****
--- 241,251 ----
FlatProfilerRoots,
ManagementRoots,
SystemDictionaryRoots,
CLDGRoots,
JVMTIRoots,
+ StringDedupRoots,
FinishQueues,
GCParPhasesSentinel
};
private:
*** 259,280 ****
private:
TimingData _timing_data[_num_phases];
const char* _phase_names[_num_phases];
ShenandoahWorkerTimings* _worker_times;
ShenandoahCollectorPolicy* _policy;
public:
ShenandoahPhaseTimings();
! ShenandoahWorkerTimings* worker_times() const { return _worker_times; }
// record phase start
void record_phase_start(Phase phase);
// record phase end and return elapsed time in seconds for the phase
void record_phase_end(Phase phase);
! // record an elapsed time in seconds for the phase
void record_phase_time(Phase phase, jint time_us);
void record_workers_start(Phase phase);
void record_workers_end(Phase phase);
--- 257,281 ----
private:
TimingData _timing_data[_num_phases];
const char* _phase_names[_num_phases];
ShenandoahWorkerTimings* _worker_times;
+ ShenandoahTerminationTimings* _termination_times;
+
ShenandoahCollectorPolicy* _policy;
public:
ShenandoahPhaseTimings();
! ShenandoahWorkerTimings* const worker_times() const { return _worker_times; }
! ShenandoahTerminationTimings* const termination_times() const { return _termination_times; }
// record phase start
void record_phase_start(Phase phase);
// record phase end and return elapsed time in seconds for the phase
void record_phase_end(Phase phase);
! // record an elapsed time in microseconds for the phase
void record_phase_time(Phase phase, jint time_us);
void record_workers_start(Phase phase);
void record_workers_end(Phase phase);
*** 309,314 ****
--- 310,352 ----
public:
ShenandoahWorkerTimingsTracker(ShenandoahWorkerTimings* worker_times, ShenandoahPhaseTimings::GCParPhases phase, uint worker_id);
~ShenandoahWorkerTimingsTracker();
};
+ class ShenandoahTerminationTimings : public CHeapObj<mtGC> {
+ private:
+ ShenandoahWorkerDataArray<double>* _gc_termination_phase;
+ public:
+ ShenandoahTerminationTimings(uint max_gc_threads);
+
+ // record the time a phase took in seconds
+ void record_time_secs(uint worker_i, double secs);
+
+ double average() const { return _gc_termination_phase->average(); }
+ void reset() { _gc_termination_phase->reset(); }
+
+ void print() const;
+ };
+
+ class ShenandoahTerminationTimingsTracker : public StackObj {
+ private:
+ double _start_time;
+ uint _worker_id;
+
+ public:
+ ShenandoahTerminationTimingsTracker(uint worker_id);
+ ~ShenandoahTerminationTimingsTracker();
+ };
+
+
+ // Tracking termination time in specific GC phase
+ class ShenandoahTerminationTracker : public StackObj {
+ private:
+ ShenandoahPhaseTimings::Phase _phase;
+
+ static ShenandoahPhaseTimings::Phase currentPhase;
+ public:
+ ShenandoahTerminationTracker(ShenandoahPhaseTimings::Phase phase);
+ ~ShenandoahTerminationTracker();
+ };
+
#endif // SHARE_VM_GC_SHENANDOAH_SHENANDOAHGCPHASETIMEINGS_HPP
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