129   // No support for block parsing.
 130   virtual HeapWord* block_start(const void* addr) const { return NULL;  }
 131   virtual size_t block_size(const HeapWord* addr) const { return 0;     }
 132   virtual bool block_is_obj(const HeapWord* addr) const { return false; }
 133 
 134   // No GC threads
 135   virtual void print_gc_threads_on(outputStream* st) const {}
 136   virtual void gc_threads_do(ThreadClosure* tc) const {}
 137 
 138   // No heap verification
 139   virtual void prepare_for_verify() {}
 140   virtual void verify(VerifyOption option) {}
 141 
 142   virtual jlong millis_since_last_gc() {
 143     // Report time since the VM start
 144     return os::elapsed_counter() / NANOSECS_PER_MILLISEC;
 145   }
 146 
 147   virtual void print_on(outputStream* st) const;
 148   virtual void print_tracing_info() const;


 149 
 150 };
 151 
 152 #endif // SHARE_GC_EPSILON_EPSILONHEAP_HPP

 129   // No support for block parsing.
 130   virtual HeapWord* block_start(const void* addr) const { return NULL;  }
 131   virtual size_t block_size(const HeapWord* addr) const { return 0;     }
 132   virtual bool block_is_obj(const HeapWord* addr) const { return false; }
 133 
 134   // No GC threads
 135   virtual void print_gc_threads_on(outputStream* st) const {}
 136   virtual void gc_threads_do(ThreadClosure* tc) const {}
 137 
 138   // No heap verification
 139   virtual void prepare_for_verify() {}
 140   virtual void verify(VerifyOption option) {}
 141 
 142   virtual jlong millis_since_last_gc() {
 143     // Report time since the VM start
 144     return os::elapsed_counter() / NANOSECS_PER_MILLISEC;
 145   }
 146 
 147   virtual void print_on(outputStream* st) const;
 148   virtual void print_tracing_info() const;
 149   void print_heap_info(size_t used) const;
 150   void print_metaspace_info() const;
 151 
 152 };
 153 
 154 #endif // SHARE_GC_EPSILON_EPSILONHEAP_HPP