380 increment_total_full_collections();
381 }
382 }
383
384 void increment_total_full_collections() { _total_full_collections++; }
385
386 // Return the SoftRefPolicy for the heap;
387 virtual SoftRefPolicy* soft_ref_policy() = 0;
388
389 virtual MemoryUsage memory_usage();
390 virtual GrowableArray<GCMemoryManager*> memory_managers() = 0;
391 virtual GrowableArray<MemoryPool*> memory_pools() = 0;
392
393 // Iterate over all objects, calling "cl.do_object" on each.
394 virtual void object_iterate(ObjectClosure* cl) = 0;
395
396 virtual ParallelObjectIterator* parallel_object_iterator(uint thread_num) {
397 return NULL;
398 }
399
400 // FIXME: G1 already have a run_task returning Tickspan - adapting for now.
401 virtual Tickspan run_task(AbstractGangTask* task);
402
403 // Keep alive an object that was loaded with AS_NO_KEEPALIVE.
404 virtual void keep_alive(oop obj) {}
405
406 // Returns the longest time (in ms) that has elapsed since the last
407 // time that any part of the heap was examined by a garbage collection.
408 virtual jlong millis_since_last_gc() = 0;
409
410 // Perform any cleanup actions necessary before allowing a verification.
411 virtual void prepare_for_verify() = 0;
412
413 // Generate any dumps preceding or following a full gc
414 private:
415 void full_gc_dump(GCTimer* timer, bool before);
416
417 virtual void initialize_serviceability() = 0;
418
419 public:
420 void pre_full_gc_dump(GCTimer* timer);
421 void post_full_gc_dump(GCTimer* timer);
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380 increment_total_full_collections();
381 }
382 }
383
384 void increment_total_full_collections() { _total_full_collections++; }
385
386 // Return the SoftRefPolicy for the heap;
387 virtual SoftRefPolicy* soft_ref_policy() = 0;
388
389 virtual MemoryUsage memory_usage();
390 virtual GrowableArray<GCMemoryManager*> memory_managers() = 0;
391 virtual GrowableArray<MemoryPool*> memory_pools() = 0;
392
393 // Iterate over all objects, calling "cl.do_object" on each.
394 virtual void object_iterate(ObjectClosure* cl) = 0;
395
396 virtual ParallelObjectIterator* parallel_object_iterator(uint thread_num) {
397 return NULL;
398 }
399
400 // Run given task, parallelly if possible.
401 virtual Tickspan run_task(AbstractGangTask* task) = 0;
402
403 // Keep alive an object that was loaded with AS_NO_KEEPALIVE.
404 virtual void keep_alive(oop obj) {}
405
406 // Returns the longest time (in ms) that has elapsed since the last
407 // time that any part of the heap was examined by a garbage collection.
408 virtual jlong millis_since_last_gc() = 0;
409
410 // Perform any cleanup actions necessary before allowing a verification.
411 virtual void prepare_for_verify() = 0;
412
413 // Generate any dumps preceding or following a full gc
414 private:
415 void full_gc_dump(GCTimer* timer, bool before);
416
417 virtual void initialize_serviceability() = 0;
418
419 public:
420 void pre_full_gc_dump(GCTimer* timer);
421 void post_full_gc_dump(GCTimer* timer);
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