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8248391: Unify handling of all OopStorage instances in weak root processing

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OopStorage instance now owned by subsystems, and generalize dead entry notification

Co-authored-by: Erik Osterlund <erik.osterlund@oracle.com>
Co-authored-by: Stefan Karlsson <stefan.karlsson@oracle.com>
Reviewed-by: coleenp, tschatzl
This commit is contained in:
Kim Barrett 2020-07-16 17:41:14 -04:00
parent 55af701cc3
commit a8d6a05ce8
42 changed files with 822 additions and 574 deletions
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13
src/hotspot/share/gc/shared/weakProcessor.inline.hpp
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@ -115,17 +115,12 @@ void WeakProcessor::Task::work(uint worker_id,
CountingSkippedIsAliveClosure<IsAlive, KeepAlive> cl(is_alive, keep_alive);
WeakProcessorPhaseTimeTracker pt(_phase_times, phase, worker_id);
uint oopstorage_index = WeakProcessorPhases::oopstorage_index(phase);
StorageState& cur_state = _storage_states[oopstorage_index];
cur_state.oops_do(&cl);
StorageState* cur_state = _storage_states.par_state(oopstorage_index);
cur_state->oops_do(&cl);
cur_state->increment_num_dead(cl.num_skipped() + cl.num_dead());
if (_phase_times != NULL) {
_phase_times->record_worker_items(worker_id, phase, cl.num_dead(), cl.num_total());
}
const OopStorage* cur_storage = cur_state.storage();
if (cur_storage == OopStorageSet::string_table_weak()) {
StringTable::inc_dead_counter(cl.num_dead() + cl.num_skipped());
} else if (cur_storage == OopStorageSet::resolved_method_table_weak()) {
ResolvedMethodTable::inc_dead_counter(cl.num_dead() + cl.num_skipped());
}
}
_serial_phases_done.all_tasks_completed(_nworkers);
@ -159,6 +154,7 @@ public:
{}
virtual void work(uint worker_id);
void report_num_dead() { _task.report_num_dead(); }
};
template<typename IsAlive, typename KeepAlive>
@ -173,6 +169,7 @@ void WeakProcessor::weak_oops_do(WorkGang* workers,
GangTask task("Weak Processor", is_alive, keep_alive, phase_times, nworkers);
workers->run_task(&task, nworkers);
task.report_num_dead();
}
template<typename IsAlive, typename KeepAlive>