136 }
137
138 void InvocationCounter::reinitialize(bool delay_overflow) {
139 // define states
140 guarantee((int)number_of_states <= (int)state_limit, "adjust number_of_state_bits");
141 def(wait_for_nothing, 0, do_nothing);
142 if (delay_overflow) {
143 def(wait_for_compile, 0, do_decay);
144 } else {
145 def(wait_for_compile, 0, dummy_invocation_counter_overflow);
146 }
147
148 InterpreterInvocationLimit = CompileThreshold << number_of_noncount_bits;
149 InterpreterProfileLimit = ((CompileThreshold * InterpreterProfilePercentage) / 100)<< number_of_noncount_bits;
150
151 // When methodData is collected, the backward branch limit is compared against a
152 // methodData counter, rather than an InvocationCounter. In the former case, we
153 // don't need the shift by number_of_noncount_bits, but we do need to adjust
154 // the factor by which we scale the threshold.
155 if (ProfileInterpreter) {
156 InterpreterBackwardBranchLimit = (CompileThreshold * (OnStackReplacePercentage - InterpreterProfilePercentage)) / 100;
157 } else {
158 InterpreterBackwardBranchLimit = ((CompileThreshold * OnStackReplacePercentage) / 100) << number_of_noncount_bits;
159 }
160
161 assert(0 <= InterpreterBackwardBranchLimit,
162 "OSR threshold should be non-negative");
163 assert(0 <= InterpreterProfileLimit &&
164 InterpreterProfileLimit <= InterpreterInvocationLimit,
165 "profile threshold should be less than the compilation threshold "
166 "and non-negative");
167 }
168
169 void invocationCounter_init() {
170 InvocationCounter::reinitialize(DelayCompilationDuringStartup);
171 }
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136 }
137
138 void InvocationCounter::reinitialize(bool delay_overflow) {
139 // define states
140 guarantee((int)number_of_states <= (int)state_limit, "adjust number_of_state_bits");
141 def(wait_for_nothing, 0, do_nothing);
142 if (delay_overflow) {
143 def(wait_for_compile, 0, do_decay);
144 } else {
145 def(wait_for_compile, 0, dummy_invocation_counter_overflow);
146 }
147
148 InterpreterInvocationLimit = CompileThreshold << number_of_noncount_bits;
149 InterpreterProfileLimit = ((CompileThreshold * InterpreterProfilePercentage) / 100)<< number_of_noncount_bits;
150
151 // When methodData is collected, the backward branch limit is compared against a
152 // methodData counter, rather than an InvocationCounter. In the former case, we
153 // don't need the shift by number_of_noncount_bits, but we do need to adjust
154 // the factor by which we scale the threshold.
155 if (ProfileInterpreter) {
156 InterpreterBackwardBranchLimit = (int)((int64_t)CompileThreshold * (OnStackReplacePercentage - InterpreterProfilePercentage) / 100);
157 } else {
158 InterpreterBackwardBranchLimit = (int)(((int64_t)CompileThreshold * OnStackReplacePercentage / 100) << number_of_noncount_bits);
159 }
160
161 assert(0 <= InterpreterBackwardBranchLimit,
162 "OSR threshold should be non-negative");
163 assert(0 <= InterpreterProfileLimit &&
164 InterpreterProfileLimit <= InterpreterInvocationLimit,
165 "profile threshold should be less than the compilation threshold "
166 "and non-negative");
167 }
168
169 void invocationCounter_init() {
170 InvocationCounter::reinitialize(DelayCompilationDuringStartup);
171 }
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