273 case GCCause::_metadata_GC_clear_soft_refs:
274 // Receiving these causes means the VM itself entered the safepoint for metadata collection.
275 // While Epsilon does not do GC, it has to perform sizing adjustments, otherwise we would
276 // re-enter the safepoint again very soon.
277
278 assert(SafepointSynchronize::is_at_safepoint(), "Expected at safepoint");
279 log_info(gc)("GC request for \"%s\" is handled", GCCause::to_string(cause));
280 MetaspaceGC::compute_new_size();
281 print_metaspace_info();
282 break;
283 default:
284 log_info(gc)("GC request for \"%s\" is ignored", GCCause::to_string(cause));
285 }
286 _monitoring_support->update_counters();
287 }
288
289 void EpsilonHeap::do_full_collection(bool clear_all_soft_refs) {
290 collect(gc_cause());
291 }
292
293 void EpsilonHeap::safe_object_iterate(ObjectClosure *cl) {
294 _space->safe_object_iterate(cl);
295 }
296
297 void EpsilonHeap::print_on(outputStream *st) const {
298 st->print_cr("Epsilon Heap");
299
300 // Cast away constness:
301 ((VirtualSpace)_virtual_space).print_on(st);
302
303 st->print_cr("Allocation space:");
304 _space->print_on(st);
305
306 MetaspaceUtils::print_on(st);
307 }
308
309 bool EpsilonHeap::print_location(outputStream* st, void* addr) const {
310 return BlockLocationPrinter<EpsilonHeap>::print_location(st, addr);
311 }
312
313 void EpsilonHeap::print_tracing_info() const {
314 print_heap_info(used());
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273 case GCCause::_metadata_GC_clear_soft_refs:
274 // Receiving these causes means the VM itself entered the safepoint for metadata collection.
275 // While Epsilon does not do GC, it has to perform sizing adjustments, otherwise we would
276 // re-enter the safepoint again very soon.
277
278 assert(SafepointSynchronize::is_at_safepoint(), "Expected at safepoint");
279 log_info(gc)("GC request for \"%s\" is handled", GCCause::to_string(cause));
280 MetaspaceGC::compute_new_size();
281 print_metaspace_info();
282 break;
283 default:
284 log_info(gc)("GC request for \"%s\" is ignored", GCCause::to_string(cause));
285 }
286 _monitoring_support->update_counters();
287 }
288
289 void EpsilonHeap::do_full_collection(bool clear_all_soft_refs) {
290 collect(gc_cause());
291 }
292
293 void EpsilonHeap::object_iterate(ObjectClosure *cl) {
294 _space->object_iterate(cl);
295 }
296
297 void EpsilonHeap::print_on(outputStream *st) const {
298 st->print_cr("Epsilon Heap");
299
300 // Cast away constness:
301 ((VirtualSpace)_virtual_space).print_on(st);
302
303 st->print_cr("Allocation space:");
304 _space->print_on(st);
305
306 MetaspaceUtils::print_on(st);
307 }
308
309 bool EpsilonHeap::print_location(outputStream* st, void* addr) const {
310 return BlockLocationPrinter<EpsilonHeap>::print_location(st, addr);
311 }
312
313 void EpsilonHeap::print_tracing_info() const {
314 print_heap_info(used());
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