1 // Copyright 2012 the V8 project authors. All rights reserved. 2 // Redistribution and use in source and binary forms, with or without 3 // modification, are permitted provided that the following conditions are 4 // met: 5 // 6 // * Redistributions of source code must retain the above copyright 7 // notice, this list of conditions and the following disclaimer. 8 // * Redistributions in binary form must reproduce the above 9 // copyright notice, this list of conditions and the following 10 // disclaimer in the documentation and/or other materials provided 11 // with the distribution. 12 // * Neither the name of Google Inc. nor the names of its 13 // contributors may be used to endorse or promote products derived 14 // from this software without specific prior written permission. 15 // 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 28 #include "statistics-extension.h" 29 30 namespace v8 { 31 namespace internal { 32 33 const char* const StatisticsExtension::kSource = 34 "native function getV8Statistics();"; 35 36 37 v8::Handle<v8::FunctionTemplate> StatisticsExtension::GetNativeFunctionTemplate( 38 v8::Isolate* isolate, 39 v8::Handle<v8::String> str) { 40 ASSERT(strcmp(*v8::String::Utf8Value(str), "getV8Statistics") == 0); 41 return v8::FunctionTemplate::New(StatisticsExtension::GetCounters); 42 } 43 44 45 static void AddCounter(v8::Isolate* isolate, 46 v8::Local<v8::Object> object, 47 StatsCounter* counter, 48 const char* name) { 49 if (counter->Enabled()) { 50 object->Set(v8::String::NewFromUtf8(isolate, name), 51 v8::Number::New(*counter->GetInternalPointer())); 52 } 53 } 54 55 static void AddNumber(v8::Isolate* isolate, 56 v8::Local<v8::Object> object, 57 intptr_t value, 58 const char* name) { 59 object->Set(v8::String::NewFromUtf8(isolate, name), 60 v8::Number::New(static_cast<double>(value))); 61 } 62 63 64 static void AddNumber64(v8::Isolate* isolate, 65 v8::Local<v8::Object> object, 66 int64_t value, 67 const char* name) { 68 object->Set(v8::String::NewFromUtf8(isolate, name), 69 v8::Number::New(static_cast<double>(value))); 70 } 71 72 73 void StatisticsExtension::GetCounters( 74 const v8::FunctionCallbackInfo<v8::Value>& args) { 75 Isolate* isolate = reinterpret_cast<Isolate*>(args.GetIsolate()); 76 Heap* heap = isolate->heap(); 77 78 if (args.Length() > 0) { // GC if first argument evaluates to true. 79 if (args[0]->IsBoolean() && args[0]->ToBoolean()->Value()) { 80 heap->CollectAllGarbage(Heap::kNoGCFlags, "counters extension"); 81 } 82 } 83 84 Counters* counters = isolate->counters(); 85 v8::Local<v8::Object> result = v8::Object::New(); 86 87 #define ADD_COUNTER(name, caption) \ 88 AddCounter(args.GetIsolate(), result, counters->name(), #name); 89 90 STATS_COUNTER_LIST_1(ADD_COUNTER) 91 STATS_COUNTER_LIST_2(ADD_COUNTER) 92 #undef ADD_COUNTER 93 #define ADD_COUNTER(name) \ 94 AddCounter(args.GetIsolate(), result, counters->count_of_##name(), \ 95 "count_of_" #name); \ 96 AddCounter(args.GetIsolate(), result, counters->size_of_##name(), \ 97 "size_of_" #name); 98 99 INSTANCE_TYPE_LIST(ADD_COUNTER) 100 #undef ADD_COUNTER 101 #define ADD_COUNTER(name) \ 102 AddCounter(args.GetIsolate(), result, counters->count_of_CODE_TYPE_##name(), \ 103 "count_of_CODE_TYPE_" #name); \ 104 AddCounter(args.GetIsolate(), result, counters->size_of_CODE_TYPE_##name(), \ 105 "size_of_CODE_TYPE_" #name); 106 107 CODE_KIND_LIST(ADD_COUNTER) 108 #undef ADD_COUNTER 109 #define ADD_COUNTER(name) \ 110 AddCounter(args.GetIsolate(), result, \ 111 counters->count_of_FIXED_ARRAY_##name(), \ 112 "count_of_FIXED_ARRAY_" #name); \ 113 AddCounter(args.GetIsolate(), result, \ 114 counters->size_of_FIXED_ARRAY_##name(), \ 115 "size_of_FIXED_ARRAY_" #name); 116 117 FIXED_ARRAY_SUB_INSTANCE_TYPE_LIST(ADD_COUNTER) 118 #undef ADD_COUNTER 119 120 AddNumber(args.GetIsolate(), result, isolate->memory_allocator()->Size(), 121 "total_committed_bytes"); 122 AddNumber(args.GetIsolate(), result, heap->new_space()->Size(), 123 "new_space_live_bytes"); 124 AddNumber(args.GetIsolate(), result, heap->new_space()->Available(), 125 "new_space_available_bytes"); 126 AddNumber(args.GetIsolate(), result, heap->new_space()->CommittedMemory(), 127 "new_space_commited_bytes"); 128 AddNumber(args.GetIsolate(), result, heap->old_pointer_space()->Size(), 129 "old_pointer_space_live_bytes"); 130 AddNumber(args.GetIsolate(), result, heap->old_pointer_space()->Available(), 131 "old_pointer_space_available_bytes"); 132 AddNumber(args.GetIsolate(), result, 133 heap->old_pointer_space()->CommittedMemory(), 134 "old_pointer_space_commited_bytes"); 135 AddNumber(args.GetIsolate(), result, heap->old_data_space()->Size(), 136 "old_data_space_live_bytes"); 137 AddNumber(args.GetIsolate(), result, heap->old_data_space()->Available(), 138 "old_data_space_available_bytes"); 139 AddNumber(args.GetIsolate(), result, 140 heap->old_data_space()->CommittedMemory(), 141 "old_data_space_commited_bytes"); 142 AddNumber(args.GetIsolate(), result, heap->code_space()->Size(), 143 "code_space_live_bytes"); 144 AddNumber(args.GetIsolate(), result, heap->code_space()->Available(), 145 "code_space_available_bytes"); 146 AddNumber(args.GetIsolate(), result, heap->code_space()->CommittedMemory(), 147 "code_space_commited_bytes"); 148 AddNumber(args.GetIsolate(), result, heap->cell_space()->Size(), 149 "cell_space_live_bytes"); 150 AddNumber(args.GetIsolate(), result, heap->cell_space()->Available(), 151 "cell_space_available_bytes"); 152 AddNumber(args.GetIsolate(), result, heap->cell_space()->CommittedMemory(), 153 "cell_space_commited_bytes"); 154 AddNumber(args.GetIsolate(), result, heap->property_cell_space()->Size(), 155 "property_cell_space_live_bytes"); 156 AddNumber(args.GetIsolate(), result, heap->property_cell_space()->Available(), 157 "property_cell_space_available_bytes"); 158 AddNumber(args.GetIsolate(), result, 159 heap->property_cell_space()->CommittedMemory(), 160 "property_cell_space_commited_bytes"); 161 AddNumber(args.GetIsolate(), result, heap->lo_space()->Size(), 162 "lo_space_live_bytes"); 163 AddNumber(args.GetIsolate(), result, heap->lo_space()->Available(), 164 "lo_space_available_bytes"); 165 AddNumber(args.GetIsolate(), result, heap->lo_space()->CommittedMemory(), 166 "lo_space_commited_bytes"); 167 AddNumber64(args.GetIsolate(), result, 168 heap->amount_of_external_allocated_memory(), 169 "amount_of_external_allocated_memory"); 170 args.GetReturnValue().Set(result); 171 } 172 173 174 void StatisticsExtension::Register() { 175 static StatisticsExtension statistics_extension; 176 static v8::DeclareExtension declaration(&statistics_extension); 177 } 178 179 } } // namespace v8::internal 180
