26 #include "gc/shared/gcConfig.hpp" 27 #include "runtime/globals_extension.hpp" 28 #include "runtime/java.hpp" 29 #include "runtime/os.hpp" 30 #include "utilities/macros.hpp" 31 #if INCLUDE_CMSGC 32 #include "gc/cms/cmsArguments.hpp" 33 #endif 34 #if INCLUDE_EPSILONGC 35 #include "gc/epsilon/epsilonArguments.hpp" 36 #endif 37 #if INCLUDE_G1GC 38 #include "gc/g1/g1Arguments.hpp" 39 #endif 40 #if INCLUDE_PARALLELGC 41 #include "gc/parallel/parallelArguments.hpp" 42 #endif 43 #if INCLUDE_SERIALGC 44 #include "gc/serial/serialArguments.hpp" 45 #endif 46 #if INCLUDE_ZGC 47 #include "gc/z/zArguments.hpp" 48 #endif 49 50 struct SupportedGC { 51 bool& _flag; 52 CollectedHeap::Name _name; 53 GCArguments& _arguments; 54 const char* _hs_err_name; 55 56 SupportedGC(bool& flag, CollectedHeap::Name name, GCArguments& arguments, const char* hs_err_name) : 57 _flag(flag), _name(name), _arguments(arguments), _hs_err_name(hs_err_name) {} 58 }; 59 60 CMSGC_ONLY(static CMSArguments cmsArguments;) 61 EPSILONGC_ONLY(static EpsilonArguments epsilonArguments;) 62 G1GC_ONLY(static G1Arguments g1Arguments;) 63 PARALLELGC_ONLY(static ParallelArguments parallelArguments;) 64 SERIALGC_ONLY(static SerialArguments serialArguments;) 65 ZGC_ONLY(static ZArguments zArguments;) 66 67 // Table of supported GCs, for translating between command 68 // line flag, CollectedHeap::Name and GCArguments instance. 69 static const SupportedGC SupportedGCs[] = { 70 CMSGC_ONLY_ARG(SupportedGC(UseConcMarkSweepGC, CollectedHeap::CMS, cmsArguments, "concurrent mark sweep gc")) 71 EPSILONGC_ONLY_ARG(SupportedGC(UseEpsilonGC, CollectedHeap::Epsilon, epsilonArguments, "epsilon gc")) 72 G1GC_ONLY_ARG(SupportedGC(UseG1GC, CollectedHeap::G1, g1Arguments, "g1 gc")) 73 PARALLELGC_ONLY_ARG(SupportedGC(UseParallelGC, CollectedHeap::Parallel, parallelArguments, "parallel gc")) 74 PARALLELGC_ONLY_ARG(SupportedGC(UseParallelOldGC, CollectedHeap::Parallel, parallelArguments, "parallel gc")) 75 SERIALGC_ONLY_ARG(SupportedGC(UseSerialGC, CollectedHeap::Serial, serialArguments, "serial gc")) 76 ZGC_ONLY_ARG(SupportedGC(UseZGC, CollectedHeap::Z, zArguments, "z gc")) 77 }; 78 79 #define FOR_EACH_SUPPORTED_GC(var) \ 80 for (const SupportedGC* var = &SupportedGCs[0]; var < &SupportedGCs[ARRAY_SIZE(SupportedGCs)]; var++) 81 82 #define FAIL_IF_SELECTED(option, enabled) \ 83 if (option == enabled && FLAG_IS_CMDLINE(option)) { \ 84 vm_exit_during_initialization(enabled ? \ 85 "Option -XX:+" #option " not supported" : \ 86 "Option -XX:-" #option " not supported"); \ 87 } 88 89 GCArguments* GCConfig::_arguments = NULL; 90 bool GCConfig::_gc_selected_ergonomically = false; 91 92 void GCConfig::fail_if_unsupported_gc_is_selected() { 93 NOT_CMSGC( FAIL_IF_SELECTED(UseConcMarkSweepGC, true)); 94 NOT_EPSILONGC( FAIL_IF_SELECTED(UseEpsilonGC, true)); 95 NOT_G1GC( FAIL_IF_SELECTED(UseG1GC, true)); 96 NOT_PARALLELGC(FAIL_IF_SELECTED(UseParallelGC, true)); 97 NOT_PARALLELGC(FAIL_IF_SELECTED(UseParallelOldGC, true)); 98 NOT_SERIALGC( FAIL_IF_SELECTED(UseSerialGC, true)); 99 NOT_SERIALGC( FAIL_IF_SELECTED(UseParallelOldGC, false)); 100 NOT_ZGC( FAIL_IF_SELECTED(UseZGC, true)); 101 } 102 103 void GCConfig::select_gc_ergonomically() { 104 if (os::is_server_class_machine()) { 105 #if INCLUDE_G1GC 106 FLAG_SET_ERGO_IF_DEFAULT(bool, UseG1GC, true); 107 #elif INCLUDE_PARALLELGC 108 FLAG_SET_ERGO_IF_DEFAULT(bool, UseParallelGC, true); 109 #elif INCLUDE_SERIALGC 110 FLAG_SET_ERGO_IF_DEFAULT(bool, UseSerialGC, true); 111 #endif 112 } else { 113 #if INCLUDE_SERIALGC 114 FLAG_SET_ERGO_IF_DEFAULT(bool, UseSerialGC, true); 115 #endif 116 } 117 } 118 119 bool GCConfig::is_no_gc_selected() { 120 FOR_EACH_SUPPORTED_GC(gc) { | 26 #include "gc/shared/gcConfig.hpp" 27 #include "runtime/globals_extension.hpp" 28 #include "runtime/java.hpp" 29 #include "runtime/os.hpp" 30 #include "utilities/macros.hpp" 31 #if INCLUDE_CMSGC 32 #include "gc/cms/cmsArguments.hpp" 33 #endif 34 #if INCLUDE_EPSILONGC 35 #include "gc/epsilon/epsilonArguments.hpp" 36 #endif 37 #if INCLUDE_G1GC 38 #include "gc/g1/g1Arguments.hpp" 39 #endif 40 #if INCLUDE_PARALLELGC 41 #include "gc/parallel/parallelArguments.hpp" 42 #endif 43 #if INCLUDE_SERIALGC 44 #include "gc/serial/serialArguments.hpp" 45 #endif 46 #if INCLUDE_SHENANDOAHGC 47 #include "gc/shenandoah/shenandoahArguments.hpp" 48 #endif 49 #if INCLUDE_ZGC 50 #include "gc/z/zArguments.hpp" 51 #endif 52 53 struct SupportedGC { 54 bool& _flag; 55 CollectedHeap::Name _name; 56 GCArguments& _arguments; 57 const char* _hs_err_name; 58 59 SupportedGC(bool& flag, CollectedHeap::Name name, GCArguments& arguments, const char* hs_err_name) : 60 _flag(flag), _name(name), _arguments(arguments), _hs_err_name(hs_err_name) {} 61 }; 62 63 CMSGC_ONLY(static CMSArguments cmsArguments;) 64 EPSILONGC_ONLY(static EpsilonArguments epsilonArguments;) 65 G1GC_ONLY(static G1Arguments g1Arguments;) 66 PARALLELGC_ONLY(static ParallelArguments parallelArguments;) 67 SERIALGC_ONLY(static SerialArguments serialArguments;) 68 SHENANDOAHGC_ONLY(static ShenandoahArguments shenandoahArguments;) 69 ZGC_ONLY(static ZArguments zArguments;) 70 71 // Table of supported GCs, for translating between command 72 // line flag, CollectedHeap::Name and GCArguments instance. 73 static const SupportedGC SupportedGCs[] = { 74 CMSGC_ONLY_ARG(SupportedGC(UseConcMarkSweepGC, CollectedHeap::CMS, cmsArguments, "concurrent mark sweep gc")) 75 EPSILONGC_ONLY_ARG(SupportedGC(UseEpsilonGC, CollectedHeap::Epsilon, epsilonArguments, "epsilon gc")) 76 G1GC_ONLY_ARG(SupportedGC(UseG1GC, CollectedHeap::G1, g1Arguments, "g1 gc")) 77 PARALLELGC_ONLY_ARG(SupportedGC(UseParallelGC, CollectedHeap::Parallel, parallelArguments, "parallel gc")) 78 PARALLELGC_ONLY_ARG(SupportedGC(UseParallelOldGC, CollectedHeap::Parallel, parallelArguments, "parallel gc")) 79 SERIALGC_ONLY_ARG(SupportedGC(UseSerialGC, CollectedHeap::Serial, serialArguments, "serial gc")) 80 SHENANDOAHGC_ONLY_ARG(SupportedGC(UseShenandoahGC, CollectedHeap::Shenandoah, shenandoahArguments, "shenandoah gc")) 81 ZGC_ONLY_ARG(SupportedGC(UseZGC, CollectedHeap::Z, zArguments, "z gc")) 82 }; 83 84 #define FOR_EACH_SUPPORTED_GC(var) \ 85 for (const SupportedGC* var = &SupportedGCs[0]; var < &SupportedGCs[ARRAY_SIZE(SupportedGCs)]; var++) 86 87 #define FAIL_IF_SELECTED(option, enabled) \ 88 if (option == enabled && FLAG_IS_CMDLINE(option)) { \ 89 vm_exit_during_initialization(enabled ? \ 90 "Option -XX:+" #option " not supported" : \ 91 "Option -XX:-" #option " not supported"); \ 92 } 93 94 GCArguments* GCConfig::_arguments = NULL; 95 bool GCConfig::_gc_selected_ergonomically = false; 96 97 void GCConfig::fail_if_unsupported_gc_is_selected() { 98 NOT_CMSGC( FAIL_IF_SELECTED(UseConcMarkSweepGC, true)); 99 NOT_EPSILONGC( FAIL_IF_SELECTED(UseEpsilonGC, true)); 100 NOT_G1GC( FAIL_IF_SELECTED(UseG1GC, true)); 101 NOT_PARALLELGC( FAIL_IF_SELECTED(UseParallelGC, true)); 102 NOT_PARALLELGC( FAIL_IF_SELECTED(UseParallelOldGC, true)); 103 NOT_SERIALGC( FAIL_IF_SELECTED(UseSerialGC, true)); 104 NOT_SERIALGC( FAIL_IF_SELECTED(UseParallelOldGC, false)); 105 NOT_SHENANDOAHGC(FAIL_IF_SELECTED(UseShenandoahGC, true)); 106 NOT_ZGC( FAIL_IF_SELECTED(UseZGC, true)); 107 } 108 109 void GCConfig::select_gc_ergonomically() { 110 if (os::is_server_class_machine()) { 111 #if INCLUDE_G1GC 112 FLAG_SET_ERGO_IF_DEFAULT(bool, UseG1GC, true); 113 #elif INCLUDE_PARALLELGC 114 FLAG_SET_ERGO_IF_DEFAULT(bool, UseParallelGC, true); 115 #elif INCLUDE_SERIALGC 116 FLAG_SET_ERGO_IF_DEFAULT(bool, UseSerialGC, true); 117 #endif 118 } else { 119 #if INCLUDE_SERIALGC 120 FLAG_SET_ERGO_IF_DEFAULT(bool, UseSerialGC, true); 121 #endif 122 } 123 } 124 125 bool GCConfig::is_no_gc_selected() { 126 FOR_EACH_SUPPORTED_GC(gc) { |