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::GetNativeFunction( 38 v8::Handle<v8::String> str) { 39 ASSERT(strcmp(*v8::String::Utf8Value(str), "getV8Statistics") == 0); 40 return v8::FunctionTemplate::New(StatisticsExtension::GetCounters); 41 } 42 43 44 static void AddCounter(v8::Local<v8::Object> object, 45 StatsCounter* counter, 46 const char* name) { 47 if (counter->Enabled()) { 48 object->Set(v8::String::New(name), 49 v8::Number::New(*counter->GetInternalPointer())); 50 } 51 } 52 53 static void AddNumber(v8::Local<v8::Object> object, 54 intptr_t value, 55 const char* name) { 56 object->Set(v8::String::New(name), 57 v8::Number::New(static_cast<double>(value))); 58 } 59 60 61 void StatisticsExtension::GetCounters( 62 const v8::FunctionCallbackInfo<v8::Value>& args) { 63 Isolate* isolate = Isolate::Current(); 64 Heap* heap = isolate->heap(); 65 66 if (args.Length() > 0) { // GC if first argument evaluates to true. 67 if (args[0]->IsBoolean() && args[0]->ToBoolean()->Value()) { 68 heap->CollectAllGarbage(Heap::kNoGCFlags, "counters extension"); 69 } 70 } 71 72 Counters* counters = isolate->counters(); 73 v8::Local<v8::Object> result = v8::Object::New(); 74 75 #define ADD_COUNTER(name, caption) \ 76 AddCounter(result, counters->name(), #name); 77 78 STATS_COUNTER_LIST_1(ADD_COUNTER) 79 STATS_COUNTER_LIST_2(ADD_COUNTER) 80 #undef ADD_COUNTER 81 #define ADD_COUNTER(name) \ 82 AddCounter(result, counters->count_of_##name(), "count_of_" #name); \ 83 AddCounter(result, counters->size_of_##name(), "size_of_" #name); 84 85 INSTANCE_TYPE_LIST(ADD_COUNTER) 86 #undef ADD_COUNTER 87 #define ADD_COUNTER(name) \ 88 AddCounter(result, counters->count_of_CODE_TYPE_##name(), \ 89 "count_of_CODE_TYPE_" #name); \ 90 AddCounter(result, counters->size_of_CODE_TYPE_##name(), \ 91 "size_of_CODE_TYPE_" #name); 92 93 CODE_KIND_LIST(ADD_COUNTER) 94 #undef ADD_COUNTER 95 #define ADD_COUNTER(name) \ 96 AddCounter(result, counters->count_of_FIXED_ARRAY_##name(), \ 97 "count_of_FIXED_ARRAY_" #name); \ 98 AddCounter(result, counters->size_of_FIXED_ARRAY_##name(), \ 99 "size_of_FIXED_ARRAY_" #name); 100 101 FIXED_ARRAY_SUB_INSTANCE_TYPE_LIST(ADD_COUNTER) 102 #undef ADD_COUNTER 103 104 AddNumber(result, isolate->memory_allocator()->Size(), 105 "total_committed_bytes"); 106 AddNumber(result, heap->new_space()->Size(), 107 "new_space_live_bytes"); 108 AddNumber(result, heap->new_space()->Available(), 109 "new_space_available_bytes"); 110 AddNumber(result, heap->new_space()->CommittedMemory(), 111 "new_space_commited_bytes"); 112 AddNumber(result, heap->old_pointer_space()->Size(), 113 "old_pointer_space_live_bytes"); 114 AddNumber(result, heap->old_pointer_space()->Available(), 115 "old_pointer_space_available_bytes"); 116 AddNumber(result, heap->old_pointer_space()->CommittedMemory(), 117 "old_pointer_space_commited_bytes"); 118 AddNumber(result, heap->old_data_space()->Size(), 119 "old_data_space_live_bytes"); 120 AddNumber(result, heap->old_data_space()->Available(), 121 "old_data_space_available_bytes"); 122 AddNumber(result, heap->old_data_space()->CommittedMemory(), 123 "old_data_space_commited_bytes"); 124 AddNumber(result, heap->code_space()->Size(), 125 "code_space_live_bytes"); 126 AddNumber(result, heap->code_space()->Available(), 127 "code_space_available_bytes"); 128 AddNumber(result, heap->code_space()->CommittedMemory(), 129 "code_space_commited_bytes"); 130 AddNumber(result, heap->cell_space()->Size(), 131 "cell_space_live_bytes"); 132 AddNumber(result, heap->cell_space()->Available(), 133 "cell_space_available_bytes"); 134 AddNumber(result, heap->cell_space()->CommittedMemory(), 135 "cell_space_commited_bytes"); 136 AddNumber(result, heap->property_cell_space()->Size(), 137 "property_cell_space_live_bytes"); 138 AddNumber(result, heap->property_cell_space()->Available(), 139 "property_cell_space_available_bytes"); 140 AddNumber(result, heap->property_cell_space()->CommittedMemory(), 141 "property_cell_space_commited_bytes"); 142 AddNumber(result, heap->lo_space()->Size(), 143 "lo_space_live_bytes"); 144 AddNumber(result, heap->lo_space()->Available(), 145 "lo_space_available_bytes"); 146 AddNumber(result, heap->lo_space()->CommittedMemory(), 147 "lo_space_commited_bytes"); 148 AddNumber(result, heap->amount_of_external_allocated_memory(), 149 "amount_of_external_allocated_memory"); 150 args.GetReturnValue().Set(result); 151 } 152 153 154 void StatisticsExtension::Register() { 155 static StatisticsExtension statistics_extension; 156 static v8::DeclareExtension declaration(&statistics_extension); 157 } 158 159 } } // namespace v8::internal 160
