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| 1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "src/runtime-profiler.h" | 5 #include "src/runtime-profiler.h" |
| 6 | 6 |
| 7 #include "src/assembler.h" | 7 #include "src/assembler.h" |
| 8 #include "src/base/platform/platform.h" | 8 #include "src/base/platform/platform.h" |
| 9 #include "src/bootstrapper.h" | 9 #include "src/bootstrapper.h" |
| 10 #include "src/code-stubs.h" | 10 #include "src/code-stubs.h" |
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| 103 TypeFeedbackInfo* info = TypeFeedbackInfo::cast(raw_info); | 103 TypeFeedbackInfo* info = TypeFeedbackInfo::cast(raw_info); |
| 104 *ic_with_type_info_count = info->ic_with_type_info_count(); | 104 *ic_with_type_info_count = info->ic_with_type_info_count(); |
| 105 *ic_generic_count = info->ic_generic_count(); | 105 *ic_generic_count = info->ic_generic_count(); |
| 106 *ic_total_count = info->ic_total_count(); | 106 *ic_total_count = info->ic_total_count(); |
| 107 } | 107 } |
| 108 } | 108 } |
| 109 | 109 |
| 110 // Harvest vector-ics as well | 110 // Harvest vector-ics as well |
| 111 TypeFeedbackVector* vector = function->feedback_vector(); | 111 TypeFeedbackVector* vector = function->feedback_vector(); |
| 112 int with = 0, gen = 0, type_vector_ic_count = 0; | 112 int with = 0, gen = 0, type_vector_ic_count = 0; |
| 113 const bool is_interpreted = | 113 const bool is_interpreted = function->shared()->IsInterpreted(); |
| 114 function->shared()->code()->is_interpreter_trampoline_builtin(); | |
| 115 | 114 |
| 116 vector->ComputeCounts(&with, &gen, &type_vector_ic_count, is_interpreted); | 115 vector->ComputeCounts(&with, &gen, &type_vector_ic_count, is_interpreted); |
| 117 *ic_total_count += type_vector_ic_count; | 116 *ic_total_count += type_vector_ic_count; |
| 118 *ic_with_type_info_count += with; | 117 *ic_with_type_info_count += with; |
| 119 *ic_generic_count += gen; | 118 *ic_generic_count += gen; |
| 120 | 119 |
| 121 if (*ic_total_count > 0) { | 120 if (*ic_total_count > 0) { |
| 122 *type_info_percentage = 100 * *ic_with_type_info_count / *ic_total_count; | 121 *type_info_percentage = 100 * *ic_with_type_info_count / *ic_total_count; |
| 123 *generic_percentage = 100 * *ic_generic_count / *ic_total_count; | 122 *generic_percentage = 100 * *ic_generic_count / *ic_total_count; |
| 124 } else { | 123 } else { |
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| 150 OptimizationReason reason) { | 149 OptimizationReason reason) { |
| 151 DCHECK_NE(reason, OptimizationReason::kDoNotOptimize); | 150 DCHECK_NE(reason, OptimizationReason::kDoNotOptimize); |
| 152 TraceRecompile(function, OptimizationReasonToString(reason), "optimized"); | 151 TraceRecompile(function, OptimizationReasonToString(reason), "optimized"); |
| 153 function->AttemptConcurrentOptimization(); | 152 function->AttemptConcurrentOptimization(); |
| 154 } | 153 } |
| 155 | 154 |
| 156 void RuntimeProfiler::Baseline(JSFunction* function, | 155 void RuntimeProfiler::Baseline(JSFunction* function, |
| 157 OptimizationReason reason) { | 156 OptimizationReason reason) { |
| 158 DCHECK_NE(reason, OptimizationReason::kDoNotOptimize); | 157 DCHECK_NE(reason, OptimizationReason::kDoNotOptimize); |
| 159 TraceRecompile(function, OptimizationReasonToString(reason), "baseline"); | 158 TraceRecompile(function, OptimizationReasonToString(reason), "baseline"); |
| 160 | 159 DCHECK(function->shared()->IsInterpreted()); |
| 161 // TODO(4280): Fix this to check function is compiled for the interpreter | |
| 162 // once we have a standard way to check that. For now function will only | |
| 163 // have a bytecode array if compiled for the interpreter. | |
| 164 DCHECK(function->shared()->HasBytecodeArray()); | |
| 165 function->MarkForBaseline(); | 160 function->MarkForBaseline(); |
| 166 } | 161 } |
| 167 | 162 |
| 168 void RuntimeProfiler::AttemptOnStackReplacement(JavaScriptFrame* frame, | 163 void RuntimeProfiler::AttemptOnStackReplacement(JavaScriptFrame* frame, |
| 169 int loop_nesting_levels) { | 164 int loop_nesting_levels) { |
| 170 JSFunction* function = frame->function(); | 165 JSFunction* function = frame->function(); |
| 171 SharedFunctionInfo* shared = function->shared(); | 166 SharedFunctionInfo* shared = function->shared(); |
| 172 if (!FLAG_use_osr || function->shared()->IsBuiltin()) { | 167 if (!FLAG_use_osr || function->shared()->IsBuiltin()) { |
| 173 return; | 168 return; |
| 174 } | 169 } |
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| 457 for (int i = functions.length(); --i >= 0; ) { | 452 for (int i = functions.length(); --i >= 0; ) { |
| 458 SharedFunctionInfo* shared_function_info = functions[i]->shared(); | 453 SharedFunctionInfo* shared_function_info = functions[i]->shared(); |
| 459 int ticks = shared_function_info->profiler_ticks(); | 454 int ticks = shared_function_info->profiler_ticks(); |
| 460 if (ticks < Smi::kMaxValue) { | 455 if (ticks < Smi::kMaxValue) { |
| 461 shared_function_info->set_profiler_ticks(ticks + 1); | 456 shared_function_info->set_profiler_ticks(ticks + 1); |
| 462 } | 457 } |
| 463 } | 458 } |
| 464 | 459 |
| 465 Compiler::CompilationTier next_tier = | 460 Compiler::CompilationTier next_tier = |
| 466 Compiler::NextCompilationTier(function); | 461 Compiler::NextCompilationTier(function); |
| 467 if (function->shared()->code()->is_interpreter_trampoline_builtin()) { | 462 if (function->shared()->IsInterpreted()) { |
| 468 if (next_tier == Compiler::BASELINE) { | 463 if (next_tier == Compiler::BASELINE) { |
| 469 MaybeBaselineIgnition(function, frame); | 464 MaybeBaselineIgnition(function, frame); |
| 470 } else { | 465 } else { |
| 471 DCHECK_EQ(next_tier, Compiler::OPTIMIZED); | 466 DCHECK_EQ(next_tier, Compiler::OPTIMIZED); |
| 472 MaybeOptimizeIgnition(function, frame); | 467 MaybeOptimizeIgnition(function, frame); |
| 473 } | 468 } |
| 474 } else { | 469 } else { |
| 475 DCHECK_EQ(next_tier, Compiler::OPTIMIZED); | 470 DCHECK_EQ(next_tier, Compiler::OPTIMIZED); |
| 476 MaybeOptimizeFullCodegen(function, frame, frame_count); | 471 MaybeOptimizeFullCodegen(function, frame, frame_count); |
| 477 } | 472 } |
| 478 } | 473 } |
| 479 any_ic_changed_ = false; | 474 any_ic_changed_ = false; |
| 480 } | 475 } |
| 481 | 476 |
| 482 } // namespace internal | 477 } // namespace internal |
| 483 } // namespace v8 | 478 } // namespace v8 |
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