src/hotspot/share/runtime/threadHeapSampler.hpp

rev 49244 : [mq]: event-only
rev 49247 : [mq]: event5

*** 34,63 ****
    // Cheap random number generator
    static uint64_t _rnd;
  
    void pick_next_sample(size_t diff = 0);
    static int _enabled;
!   static int _monitoring_rate;
  
    static void enable() { OrderAccess::release_store(&_enabled, 1); }
    static void disable() { OrderAccess::release_store(&_enabled, 0); }
  
   public:
    ThreadHeapSampler() : _bytes_until_sample(0), _thread(NULL) {
      _rnd = static_cast<uint32_t>(reinterpret_cast<uintptr_t>(this));
      if (_rnd == 0) {
        _rnd = 1;
      }
    }
  
    void set_thread(Thread* t)                     { _thread = t; }
  
    size_t bytes_until_sample()                    { return _bytes_until_sample;   }
    void set_bytes_until_sample(size_t bytes)      { _bytes_until_sample = bytes;  }
  
    void check_for_sampling(HeapWord* obj, size_t size_in_bytes, size_t bytes_allocated_before = 0);
  
    static int enabled() { return OrderAccess::load_acquire(&_enabled); }
!   static void set_tlab_heap_sampling(int monitoring_rate);
  };
  
  #endif // SHARE_RUNTIME_THREADHEAPSAMPLER_HPP
--- 34,65 ----
    // Cheap random number generator
    static uint64_t _rnd;
  
    void pick_next_sample(size_t diff = 0);
    static int _enabled;
!   static int _sampling_rate;
  
    static void enable() { OrderAccess::release_store(&_enabled, 1); }
    static void disable() { OrderAccess::release_store(&_enabled, 0); }
+   void init_log_table();
  
   public:
    ThreadHeapSampler() : _bytes_until_sample(0), _thread(NULL) {
      _rnd = static_cast<uint32_t>(reinterpret_cast<uintptr_t>(this));
      if (_rnd == 0) {
        _rnd = 1;
      }
+     init_log_table();
    }
  
    void set_thread(Thread* t)                     { _thread = t; }
  
    size_t bytes_until_sample()                    { return _bytes_until_sample;   }
    void set_bytes_until_sample(size_t bytes)      { _bytes_until_sample = bytes;  }
  
    void check_for_sampling(HeapWord* obj, size_t size_in_bytes, size_t bytes_allocated_before = 0);
  
    static int enabled() { return OrderAccess::load_acquire(&_enabled); }
!   static void set_tlab_heap_sampling(int sampling_rate);
  };
  
  #endif // SHARE_RUNTIME_THREADHEAPSAMPLER_HPP