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src/share/vm/gc_implementation/shared/vmGCOperations.cpp

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rev 7781 : imported patch 8066771
rev 7782 : [mq]: review


 162       // The latter is a subtle point, because even a failed attempt
 163       // to GC will, in fact, induce one in the future, which we
 164       // probably want to avoid in this case because the GC that we may
 165       // be about to attempt holds value for us only
 166       // if it happens now and not if it happens in the eventual
 167       // future.
 168       warning("GC locker is held; pre-dump GC was skipped");
 169     }
 170   }
 171   HeapInspection inspect(_csv_format, _print_help, _print_class_stats,
 172                          _columns);
 173   inspect.heap_inspection(_out);
 174 }
 175 
 176 
 177 void VM_GenCollectForAllocation::doit() {
 178   SvcGCMarker sgcm(SvcGCMarker::MINOR);
 179 
 180   GenCollectedHeap* gch = GenCollectedHeap::heap();
 181   GCCauseSetter gccs(gch, _gc_cause);
 182   _res = gch->satisfy_failed_allocation(_size, _tlab);
 183   assert(gch->is_in_reserved_or_null(_res), "result not in heap");
 184 
 185   if (_res == NULL && GC_locker::is_active_and_needs_gc()) {
 186     set_gc_locked();
 187   }
 188 }
 189 
 190 void VM_GenCollectFull::doit() {
 191   SvcGCMarker sgcm(SvcGCMarker::FULL);
 192 
 193   GenCollectedHeap* gch = GenCollectedHeap::heap();
 194   GCCauseSetter gccs(gch, _gc_cause);
 195   gch->do_full_collection(gch->must_clear_all_soft_refs(), _max_level);
 196 }
 197 
 198 // Returns true iff concurrent GCs unloads metadata.
 199 bool VM_CollectForMetadataAllocation::initiate_concurrent_GC() {
 200 #if INCLUDE_ALL_GCS
 201   if (UseConcMarkSweepGC && CMSClassUnloadingEnabled) {
 202     MetaspaceGC::set_should_concurrent_collect(true);
 203     return true;
 204   }
 205 




 162       // The latter is a subtle point, because even a failed attempt
 163       // to GC will, in fact, induce one in the future, which we
 164       // probably want to avoid in this case because the GC that we may
 165       // be about to attempt holds value for us only
 166       // if it happens now and not if it happens in the eventual
 167       // future.
 168       warning("GC locker is held; pre-dump GC was skipped");
 169     }
 170   }
 171   HeapInspection inspect(_csv_format, _print_help, _print_class_stats,
 172                          _columns);
 173   inspect.heap_inspection(_out);
 174 }
 175 
 176 
 177 void VM_GenCollectForAllocation::doit() {
 178   SvcGCMarker sgcm(SvcGCMarker::MINOR);
 179 
 180   GenCollectedHeap* gch = GenCollectedHeap::heap();
 181   GCCauseSetter gccs(gch, _gc_cause);
 182   _result = gch->satisfy_failed_allocation(_word_size, _tlab);
 183   assert(gch->is_in_reserved_or_null(_result), "result not in heap");
 184 
 185   if (_result == NULL && GC_locker::is_active_and_needs_gc()) {
 186     set_gc_locked();
 187   }
 188 }
 189 
 190 void VM_GenCollectFull::doit() {
 191   SvcGCMarker sgcm(SvcGCMarker::FULL);
 192 
 193   GenCollectedHeap* gch = GenCollectedHeap::heap();
 194   GCCauseSetter gccs(gch, _gc_cause);
 195   gch->do_full_collection(gch->must_clear_all_soft_refs(), _max_level);
 196 }
 197 
 198 // Returns true iff concurrent GCs unloads metadata.
 199 bool VM_CollectForMetadataAllocation::initiate_concurrent_GC() {
 200 #if INCLUDE_ALL_GCS
 201   if (UseConcMarkSweepGC && CMSClassUnloadingEnabled) {
 202     MetaspaceGC::set_should_concurrent_collect(true);
 203     return true;
 204   }
 205 


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