1 /* 2 * Copyright (C) 2014 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef ART_COMPILER_DRIVER_COMPILER_OPTIONS_H_ 18 #define ART_COMPILER_DRIVER_COMPILER_OPTIONS_H_ 19 20 namespace art { 21 22 class CompilerOptions { 23 public: 24 enum CompilerFilter { 25 kVerifyNone, // Skip verification and compile nothing except JNI stubs. 26 kInterpretOnly, // Compile nothing except JNI stubs. 27 kSpace, // Maximize space savings. 28 kBalanced, // Try to get the best performance return on compilation investment. 29 kSpeed, // Maximize runtime performance. 30 kEverything // Force compilation (Note: excludes compilaton of class initializers). 31 }; 32 33 // Guide heuristics to determine whether to compile method if profile data not available. 34 #if ART_SMALL_MODE 35 static const CompilerFilter kDefaultCompilerFilter = kInterpretOnly; 36 #else 37 static const CompilerFilter kDefaultCompilerFilter = kSpeed; 38 #endif 39 static const size_t kDefaultHugeMethodThreshold = 10000; 40 static const size_t kDefaultLargeMethodThreshold = 600; 41 static const size_t kDefaultSmallMethodThreshold = 60; 42 static const size_t kDefaultTinyMethodThreshold = 20; 43 static const size_t kDefaultNumDexMethodsThreshold = 900; 44 static constexpr double kDefaultTopKProfileThreshold = 90.0; 45 static const bool kDefaultIncludeDebugSymbols = kIsDebugBuild; 46 static const bool kDefaultIncludePatchInformation = false; 47 48 CompilerOptions() : 49 compiler_filter_(kDefaultCompilerFilter), 50 huge_method_threshold_(kDefaultHugeMethodThreshold), 51 large_method_threshold_(kDefaultLargeMethodThreshold), 52 small_method_threshold_(kDefaultSmallMethodThreshold), 53 tiny_method_threshold_(kDefaultTinyMethodThreshold), 54 num_dex_methods_threshold_(kDefaultNumDexMethodsThreshold), 55 generate_gdb_information_(false), 56 include_patch_information_(kDefaultIncludePatchInformation), 57 top_k_profile_threshold_(kDefaultTopKProfileThreshold), 58 include_debug_symbols_(kDefaultIncludeDebugSymbols), 59 implicit_null_checks_(false), 60 implicit_so_checks_(false), 61 implicit_suspend_checks_(false) 62 #ifdef ART_SEA_IR_MODE 63 , sea_ir_mode_(false) 64 #endif 65 {} 66 67 CompilerOptions(CompilerFilter compiler_filter, 68 size_t huge_method_threshold, 69 size_t large_method_threshold, 70 size_t small_method_threshold, 71 size_t tiny_method_threshold, 72 size_t num_dex_methods_threshold, 73 bool generate_gdb_information, 74 bool include_patch_information, 75 double top_k_profile_threshold, 76 bool include_debug_symbols, 77 bool implicit_null_checks, 78 bool implicit_so_checks, 79 bool implicit_suspend_checks 80 #ifdef ART_SEA_IR_MODE 81 , bool sea_ir_mode 82 #endif 83 ) : // NOLINT(whitespace/parens) 84 compiler_filter_(compiler_filter), 85 huge_method_threshold_(huge_method_threshold), 86 large_method_threshold_(large_method_threshold), 87 small_method_threshold_(small_method_threshold), 88 tiny_method_threshold_(tiny_method_threshold), 89 num_dex_methods_threshold_(num_dex_methods_threshold), 90 generate_gdb_information_(generate_gdb_information), 91 include_patch_information_(include_patch_information), 92 top_k_profile_threshold_(top_k_profile_threshold), 93 include_debug_symbols_(include_debug_symbols), 94 implicit_null_checks_(implicit_null_checks), 95 implicit_so_checks_(implicit_so_checks), 96 implicit_suspend_checks_(implicit_suspend_checks) 97 #ifdef ART_SEA_IR_MODE 98 , sea_ir_mode_(sea_ir_mode) 99 #endif 100 {} 101 102 CompilerFilter GetCompilerFilter() const { 103 return compiler_filter_; 104 } 105 106 void SetCompilerFilter(CompilerFilter compiler_filter) { 107 compiler_filter_ = compiler_filter; 108 } 109 110 bool IsCompilationEnabled() const { 111 return ((compiler_filter_ != CompilerOptions::kVerifyNone) && 112 (compiler_filter_ != CompilerOptions::kInterpretOnly)); 113 } 114 115 bool IsVerificationEnabled() const { 116 return (compiler_filter_ != CompilerOptions::kVerifyNone); 117 } 118 119 size_t GetHugeMethodThreshold() const { 120 return huge_method_threshold_; 121 } 122 123 size_t GetLargeMethodThreshold() const { 124 return large_method_threshold_; 125 } 126 127 size_t GetSmallMethodThreshold() const { 128 return small_method_threshold_; 129 } 130 131 size_t GetTinyMethodThreshold() const { 132 return tiny_method_threshold_; 133 } 134 135 bool IsHugeMethod(size_t num_dalvik_instructions) const { 136 return num_dalvik_instructions > huge_method_threshold_; 137 } 138 139 bool IsLargeMethod(size_t num_dalvik_instructions) const { 140 return num_dalvik_instructions > large_method_threshold_; 141 } 142 143 bool IsSmallMethod(size_t num_dalvik_instructions) const { 144 return num_dalvik_instructions > small_method_threshold_; 145 } 146 147 bool IsTinyMethod(size_t num_dalvik_instructions) const { 148 return num_dalvik_instructions > tiny_method_threshold_; 149 } 150 151 size_t GetNumDexMethodsThreshold() const { 152 return num_dex_methods_threshold_; 153 } 154 155 double GetTopKProfileThreshold() const { 156 return top_k_profile_threshold_; 157 } 158 159 bool GetIncludeDebugSymbols() const { 160 return include_debug_symbols_; 161 } 162 163 bool GetImplicitNullChecks() const { 164 return implicit_null_checks_; 165 } 166 167 void SetImplicitNullChecks(bool new_val) { 168 implicit_null_checks_ = new_val; 169 } 170 171 bool GetImplicitStackOverflowChecks() const { 172 return implicit_so_checks_; 173 } 174 175 void SetImplicitStackOverflowChecks(bool new_val) { 176 implicit_so_checks_ = new_val; 177 } 178 179 bool GetImplicitSuspendChecks() const { 180 return implicit_suspend_checks_; 181 } 182 183 void SetImplicitSuspendChecks(bool new_val) { 184 implicit_suspend_checks_ = new_val; 185 } 186 187 #ifdef ART_SEA_IR_MODE 188 bool GetSeaIrMode(); 189 #endif 190 191 bool GetGenerateGDBInformation() const { 192 return generate_gdb_information_; 193 } 194 195 bool GetIncludePatchInformation() const { 196 return include_patch_information_; 197 } 198 199 private: 200 CompilerFilter compiler_filter_; 201 size_t huge_method_threshold_; 202 size_t large_method_threshold_; 203 size_t small_method_threshold_; 204 size_t tiny_method_threshold_; 205 size_t num_dex_methods_threshold_; 206 bool generate_gdb_information_; 207 bool include_patch_information_; 208 // When using a profile file only the top K% of the profiled samples will be compiled. 209 double top_k_profile_threshold_; 210 bool include_debug_symbols_; 211 bool implicit_null_checks_; 212 bool implicit_so_checks_; 213 bool implicit_suspend_checks_; 214 #ifdef ART_SEA_IR_MODE 215 bool sea_ir_mode_; 216 #endif 217 }; 218 219 } // namespace art 220 221 #endif // ART_COMPILER_DRIVER_COMPILER_OPTIONS_H_ 222
