188 // Compute the weight of the method for the compilation scheduling
189 inline double weight(Method* method);
190 // Apply heuristics and return true if x should be compiled before y
191 inline bool compare_methods(Method* x, Method* y);
192 // Compute event rate for a given method. The rate is the number of event (invocations + backedges)
193 // per millisecond.
194 inline void update_rate(jlong t, Method* m);
195 // Compute threshold scaling coefficient
196 inline double threshold_scale(CompLevel level, int feedback_k);
197 // If a method is old enough and is still in the interpreter we would want to
198 // start profiling without waiting for the compiled method to arrive. This function
199 // determines whether we should do that.
200 inline bool should_create_mdo(Method* method, CompLevel cur_level);
201 // Create MDO if necessary.
202 void create_mdo(methodHandle mh, JavaThread* thread);
203 // Is method profiled enough?
204 bool is_method_profiled(Method* method);
205
206 double _increase_threshold_at_ratio;
207
208 protected:
209 void print_specific(EventType type, methodHandle mh, methodHandle imh, int bci, CompLevel level);
210
211 void set_increase_threshold_at_ratio() { _increase_threshold_at_ratio = 100 / (100 - (double)IncreaseFirstTierCompileThresholdAt); }
212 void set_start_time(jlong t) { _start_time = t; }
213 jlong start_time() const { return _start_time; }
214
215 // Submit a given method for compilation (and update the rate).
216 virtual void submit_compile(const methodHandle& mh, int bci, CompLevel level, JavaThread* thread);
217 // event() from SimpleThresholdPolicy would call these.
218 virtual void method_invocation_event(const methodHandle& method, const methodHandle& inlinee,
219 CompLevel level, CompiledMethod* nm, JavaThread* thread);
220 virtual void method_back_branch_event(const methodHandle& method, const methodHandle& inlinee,
221 int bci, CompLevel level, CompiledMethod* nm, JavaThread* thread);
222 public:
223 AdvancedThresholdPolicy() : _start_time(0) { }
224 // Select task is called by CompileBroker. We should return a task or NULL.
225 virtual CompileTask* select_task(CompileQueue* compile_queue);
226 virtual void initialize();
227 virtual bool should_not_inline(ciEnv* env, ciMethod* callee);
|
188 // Compute the weight of the method for the compilation scheduling
189 inline double weight(Method* method);
190 // Apply heuristics and return true if x should be compiled before y
191 inline bool compare_methods(Method* x, Method* y);
192 // Compute event rate for a given method. The rate is the number of event (invocations + backedges)
193 // per millisecond.
194 inline void update_rate(jlong t, Method* m);
195 // Compute threshold scaling coefficient
196 inline double threshold_scale(CompLevel level, int feedback_k);
197 // If a method is old enough and is still in the interpreter we would want to
198 // start profiling without waiting for the compiled method to arrive. This function
199 // determines whether we should do that.
200 inline bool should_create_mdo(Method* method, CompLevel cur_level);
201 // Create MDO if necessary.
202 void create_mdo(methodHandle mh, JavaThread* thread);
203 // Is method profiled enough?
204 bool is_method_profiled(Method* method);
205
206 double _increase_threshold_at_ratio;
207
208 bool maybe_switch_to_aot(methodHandle mh, CompLevel cur_level, CompLevel next_level, JavaThread* thread);
209
210 protected:
211 void print_specific(EventType type, methodHandle mh, methodHandle imh, int bci, CompLevel level);
212
213 void set_increase_threshold_at_ratio() { _increase_threshold_at_ratio = 100 / (100 - (double)IncreaseFirstTierCompileThresholdAt); }
214 void set_start_time(jlong t) { _start_time = t; }
215 jlong start_time() const { return _start_time; }
216
217 // Submit a given method for compilation (and update the rate).
218 virtual void submit_compile(const methodHandle& mh, int bci, CompLevel level, JavaThread* thread);
219 // event() from SimpleThresholdPolicy would call these.
220 virtual void method_invocation_event(const methodHandle& method, const methodHandle& inlinee,
221 CompLevel level, CompiledMethod* nm, JavaThread* thread);
222 virtual void method_back_branch_event(const methodHandle& method, const methodHandle& inlinee,
223 int bci, CompLevel level, CompiledMethod* nm, JavaThread* thread);
224 public:
225 AdvancedThresholdPolicy() : _start_time(0) { }
226 // Select task is called by CompileBroker. We should return a task or NULL.
227 virtual CompileTask* select_task(CompileQueue* compile_queue);
228 virtual void initialize();
229 virtual bool should_not_inline(ciEnv* env, ciMethod* callee);
|