195   _heap->prepare_heap_for_full_collection();
196 
197   PrepareRegionsClosure cl(this);
198   _heap->heap_region_iterate(&cl);
199 
200   reference_processor()->start_discovery(scope()->should_clear_soft_refs());
201 
202   // Clear and activate derived pointer collection.
203   clear_and_activate_derived_pointers();
204 }
205 
206 void G1FullCollector::collect() {
207   G1CollectedHeap::start_codecache_marking_cycle_if_inactive(false /* concurrent_mark_start */);
208 
209   phase1_mark_live_objects();
210   verify_after_marking();
211 
212   // Don't add any more derived pointers during later phases
213   deactivate_derived_pointers();
214 


215   phase2_prepare_compaction();
216 
217   if (has_compaction_targets()) {
218     phase3_adjust_pointers();
219 
220     phase4_do_compaction();
221   } else {
222     // All regions have a high live ratio thus will not be compacted.
223     // The live ratio is only considered if do_maximal_compaction is false.
224     log_info(gc, phases) ("No Regions selected for compaction. Skipping Phase 3: Adjust pointers and Phase 4: Compact heap");
225   }
226 


227   phase5_reset_metadata();
228 
229   G1CollectedHeap::finish_codecache_marking_cycle();
230 }
231 
232 void G1FullCollector::complete_collection() {
233   // Restore all marks.
234   restore_marks();
235 
236   // When the pointers have been adjusted and moved, we can
237   // update the derived pointer table.
238   update_derived_pointers();
239 
240   // Need completely cleared claim bits for the next concurrent marking or full gc.
241   ClassLoaderDataGraph::clear_claimed_marks();
242 
243   // Prepare the bitmap for the next (potentially concurrent) marking.
244   _heap->concurrent_mark()->clear_bitmap(_heap->workers());
245 
246   _heap->prepare_for_mutator_after_full_collection();

195   _heap->prepare_heap_for_full_collection();
196 
197   PrepareRegionsClosure cl(this);
198   _heap->heap_region_iterate(&cl);
199 
200   reference_processor()->start_discovery(scope()->should_clear_soft_refs());
201 
202   // Clear and activate derived pointer collection.
203   clear_and_activate_derived_pointers();
204 }
205 
206 void G1FullCollector::collect() {
207   G1CollectedHeap::start_codecache_marking_cycle_if_inactive(false /* concurrent_mark_start */);
208 
209   phase1_mark_live_objects();
210   verify_after_marking();
211 
212   // Don't add any more derived pointers during later phases
213   deactivate_derived_pointers();
214 
215   FullGCForwarding::begin();
216 
217   phase2_prepare_compaction();
218 
219   if (has_compaction_targets()) {
220     phase3_adjust_pointers();
221 
222     phase4_do_compaction();
223   } else {
224     // All regions have a high live ratio thus will not be compacted.
225     // The live ratio is only considered if do_maximal_compaction is false.
226     log_info(gc, phases) ("No Regions selected for compaction. Skipping Phase 3: Adjust pointers and Phase 4: Compact heap");
227   }
228 
229   FullGCForwarding::end();
230 
231   phase5_reset_metadata();
232 
233   G1CollectedHeap::finish_codecache_marking_cycle();
234 }
235 
236 void G1FullCollector::complete_collection() {
237   // Restore all marks.
238   restore_marks();
239 
240   // When the pointers have been adjusted and moved, we can
241   // update the derived pointer table.
242   update_derived_pointers();
243 
244   // Need completely cleared claim bits for the next concurrent marking or full gc.
245   ClassLoaderDataGraph::clear_claimed_marks();
246 
247   // Prepare the bitmap for the next (potentially concurrent) marking.
248   _heap->concurrent_mark()->clear_bitmap(_heap->workers());
249 
250   _heap->prepare_for_mutator_after_full_collection();