src/share/vm/runtime/compilationPolicy.hpp

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  41   static CompilationPolicy* _policy;
  42   // Accumulated time
  43   static elapsedTimer       _accumulated_time;
  44 
  45   static bool               _in_vm_startup;
  46 public:
  47   static  void set_in_vm_startup(bool in_vm_startup) { _in_vm_startup = in_vm_startup; }
  48   static  void completed_vm_startup();
  49   static  bool delay_compilation_during_startup()    { return _in_vm_startup; }
  50 
  51   // m must be compiled before executing it
  52   static bool must_be_compiled(methodHandle m, int comp_level = CompLevel_all);
  53   // m is allowed to be compiled
  54   static bool can_be_compiled(methodHandle m, int comp_level = CompLevel_all);
  55   // m is allowed to be osr compiled
  56   static bool can_be_osr_compiled(methodHandle m, int comp_level = CompLevel_all);
  57   static bool is_compilation_enabled();
  58   static void set_policy(CompilationPolicy* policy) { _policy = policy; }
  59   static CompilationPolicy* policy()                { return _policy; }
  60 


  61   // Profiling
  62   elapsedTimer* accumulated_time() { return &_accumulated_time; }
  63   void print_time() PRODUCT_RETURN;
  64   // Return initial compile level that is used with Xcomp
  65   virtual CompLevel initial_compile_level() = 0;
  66   virtual int compiler_count(CompLevel comp_level) = 0;
  67   // main notification entry, return a pointer to an nmethod if the OSR is required,
  68   // returns NULL otherwise.
  69   virtual nmethod* event(const methodHandle& method, const methodHandle& inlinee, int branch_bci, int bci, CompLevel comp_level, nmethod* nm, JavaThread* thread) = 0;
  70   // safepoint() is called at the end of the safepoint
  71   virtual void do_safepoint_work() = 0;
  72   // reprofile request
  73   virtual void reprofile(ScopeDesc* trap_scope, bool is_osr) = 0;
  74   // delay_compilation(method) can be called by any component of the runtime to notify the policy
  75   // that it's recommended to delay the compilation of this method.
  76   virtual void delay_compilation(Method* method) = 0;
  77   // disable_compilation() is called whenever the runtime decides to disable compilation of the
  78   // specified method.
  79   virtual void disable_compilation(Method* method) = 0;
  80   // Select task is called by CompileBroker. The queue is guaranteed to have at least one




  41   static CompilationPolicy* _policy;
  42   // Accumulated time
  43   static elapsedTimer       _accumulated_time;
  44 
  45   static bool               _in_vm_startup;
  46 public:
  47   static  void set_in_vm_startup(bool in_vm_startup) { _in_vm_startup = in_vm_startup; }
  48   static  void completed_vm_startup();
  49   static  bool delay_compilation_during_startup()    { return _in_vm_startup; }
  50 
  51   // m must be compiled before executing it
  52   static bool must_be_compiled(methodHandle m, int comp_level = CompLevel_all);
  53   // m is allowed to be compiled
  54   static bool can_be_compiled(methodHandle m, int comp_level = CompLevel_all);
  55   // m is allowed to be osr compiled
  56   static bool can_be_osr_compiled(methodHandle m, int comp_level = CompLevel_all);
  57   static bool is_compilation_enabled();
  58   static void set_policy(CompilationPolicy* policy) { _policy = policy; }
  59   static CompilationPolicy* policy()                { return _policy; }
  60 
  61   static CompileTask* select_task_helper(CompileQueue* compile_queue);
  62 
  63   // Profiling
  64   elapsedTimer* accumulated_time() { return &_accumulated_time; }
  65   void print_time() PRODUCT_RETURN;
  66   // Return initial compile level that is used with Xcomp
  67   virtual CompLevel initial_compile_level() = 0;
  68   virtual int compiler_count(CompLevel comp_level) = 0;
  69   // main notification entry, return a pointer to an nmethod if the OSR is required,
  70   // returns NULL otherwise.
  71   virtual nmethod* event(const methodHandle& method, const methodHandle& inlinee, int branch_bci, int bci, CompLevel comp_level, nmethod* nm, JavaThread* thread) = 0;
  72   // safepoint() is called at the end of the safepoint
  73   virtual void do_safepoint_work() = 0;
  74   // reprofile request
  75   virtual void reprofile(ScopeDesc* trap_scope, bool is_osr) = 0;
  76   // delay_compilation(method) can be called by any component of the runtime to notify the policy
  77   // that it's recommended to delay the compilation of this method.
  78   virtual void delay_compilation(Method* method) = 0;
  79   // disable_compilation() is called whenever the runtime decides to disable compilation of the
  80   // specified method.
  81   virtual void disable_compilation(Method* method) = 0;
  82   // Select task is called by CompileBroker. The queue is guaranteed to have at least one