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src/share/vm/gc/parallel/parallelScavengeHeap.hpp
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@@ -33,10 +33,11 @@
#include "gc/shared/collectedHeap.hpp"
#include "gc/shared/collectorPolicy.hpp"
#include "gc/shared/gcPolicyCounters.hpp"
#include "gc/shared/gcWhen.hpp"
#include "gc/shared/strongRootsScope.hpp"
+#include "memory/metaspace.hpp"
#include "utilities/ostream.hpp"
class AdjoiningGenerations;
class GCHeapSummary;
class GCTaskManager;
@@ -85,10 +86,14 @@
virtual Name kind() const {
return CollectedHeap::ParallelScavengeHeap;
}
+ virtual const char* name() const {
+ return "Parallel";
+ }
+
virtual CollectorPolicy* collector_policy() const { return _collector_policy; }
static PSYoungGen* young_gen() { return _young_gen; }
static PSOldGen* old_gen() { return _old_gen; }
@@ -213,13 +218,11 @@
virtual void print_on_error(outputStream* st) const;
virtual void print_gc_threads_on(outputStream* st) const;
virtual void gc_threads_do(ThreadClosure* tc) const;
virtual void print_tracing_info() const;
- void verify(bool silent, VerifyOption option /* ignored */);
-
- void print_heap_change(size_t prev_used);
+ void verify(VerifyOption option /* ignored */);
// Resize the young generation. The reserved space for the
// generation may be expanded in preparation for the resize.
void resize_young_gen(size_t eden_size, size_t survivor_size);
@@ -239,6 +242,28 @@
ParStrongRootsScope();
~ParStrongRootsScope();
};
};
+// Simple class for storing info about the heap at the start of GC, to be used
+// after GC for comparison/printing.
+class PreGCValues {
+public:
+ PreGCValues(ParallelScavengeHeap* heap) :
+ _heap_used(heap->used()),
+ _young_gen_used(heap->young_gen()->used_in_bytes()),
+ _old_gen_used(heap->old_gen()->used_in_bytes()),
+ _metadata_used(MetaspaceAux::used_bytes()) { };
+
+ size_t heap_used() const { return _heap_used; }
+ size_t young_gen_used() const { return _young_gen_used; }
+ size_t old_gen_used() const { return _old_gen_used; }
+ size_t metadata_used() const { return _metadata_used; }
+
+private:
+ size_t _heap_used;
+ size_t _young_gen_used;
+ size_t _old_gen_used;
+ size_t _metadata_used;
+};
+
#endif // SHARE_VM_GC_PARALLEL_PARALLELSCAVENGEHEAP_HPP
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