v8.log

Statistical profiling result from v8.log, (30169 ticks, 1042 unaccounted, 0 excluded).

 [Unknown]:
   ticks  total  nonlib   name
   1042    3.5%

 [Shared libraries]:
   ticks  total  nonlib   name

 [JavaScript]:
   ticks  total  nonlib   name
    436    1.4%    1.4%  Function: Walker_done
    194    0.6%    0.6%  Stub: CEntry
    147    0.5%    0.5%  Function: HTTPWalker_sendHeader
    143    0.5%    0.5%  Function: aopJoinPoint
    120    0.4%    0.4%  Function: HTTPWalker
    116    0.4%    0.4%  LazyCompile: <anonymous> node.js:1
    114    0.4%    0.4%  Function: Walker_next
    106    0.4%    0.4%  LazyCompile: <anonymous> /Users/isaacs/Documents/src/js/mojito/examples/sugar-hello-world.js:4
    103    0.3%    0.3%  Function: <anonymous> {16}
     97    0.3%    0.3%  KeyedLoadIC: A keyed load IC from the snapshot
     80    0.3%    0.3%  Function: walk
     68    0.2%    0.2%  Function: flushMessageQueue
     65    0.2%    0.2%  Function: HTTPWalker_afterDone
     63    0.2%    0.2%  LazyCompile: SmartMove native array.js:226
     52    0.2%    0.2%  LazyCompile: concat native array.js:397
     50    0.2%    0.2%  Function: HTTPWalker_sendBody
     49    0.2%    0.2%  Function: <anonymous> {20}
     49    0.2%    0.2%  Function: <anonymous> {19}
     44    0.1%    0.1%  Stub: JSEntry
     44    0.1%    0.1%  Builtin: A builtin from the snapshot {3}
     42    0.1%    0.1%  Function: keysToLowerCase
     41    0.1%    0.1%  Function: <anonymous> {14}
     40    0.1%    0.1%  Builtin: A builtin from the snapshot {1}
     39    0.1%    0.1%  Builtin: A builtin from the snapshot
     37    0.1%    0.1%  LazyCompile: forEach native array.js:912
     36    0.1%    0.1%  Function: <anonymous> {22}
     35    0.1%    0.1%  Stub: ToBoolean
     35    0.1%    0.1%  LazyCompile: test native regexp.js:206
     34    0.1%    0.1%  LazyCompile: shift native array.js:485
     32    0.1%    0.1%  Function: <anonymous> {17}
     30    0.1%    0.1%  Stub: Compare {1}
     30    0.1%    0.1%  RegExp: Content-Length
     29    0.1%    0.1%  KeyedStoreIC: A keyed store IC from the snapshot
     29    0.1%    0.1%  Function: ServerResponse
     29    0.1%    0.1%  Function: <anonymous> {21}
     28    0.1%    0.1%  LazyCompile: APPLY_PREPARE native runtime.js:418
     27    0.1%    0.1%  Function: <anonymous> {15}
     27    0.1%    0.1%  Builtin: A builtin from the snapshot {4}
     26    0.1%    0.1%  Builtin: A builtin from the snapshot {6}
     25    0.1%    0.1%  LazyCompile: ToObject native runtime.js:526
     25    0.1%    0.1%  Function: <anonymous> {26}
     25    0.1%    0.1%  Function: <anonymous> {18}
     24    0.1%    0.1%  LazyCompile: IN native runtime.js:343
     23    0.1%    0.1%  Function: Walker
     22    0.1%    0.1%  CallNormal: args_count: 2
     22    0.1%    0.1%  Builtin: A builtin from the snapshot {7}
     21    0.1%    0.1%  Stub: StringAdd
     21    0.1%    0.1%  Stub: GenericBinaryOpStub_ADD_OverwriteLeft_StackArgs_SSE3
     21    0.1%    0.1%  LazyCompile: slice native array.js:525
     21    0.1%    0.1%  Function: HTTPWalker_finish
     20    0.1%    0.1%  LazyCompile: INSTANCE_OF native runtime.js:355
     19    0.1%    0.1%  RegExp: Connection
     19    0.1%    0.1%  Function: <anonymous> {30}
     18    0.1%    0.1%  Stub: StringAdd {1}
     18    0.1%    0.1%  Stub: GenericBinaryOpStub_ADD_Alloc_StackArgs_SSE3
     16    0.1%    0.1%  Function: <anonymous> {24}
     15    0.0%    0.0%  LazyCompile: SimpleSlice native array.js:289
     15    0.0%    0.0%  Function: OutgoingMessage
     15    0.0%    0.0%  Function: <anonymous> {32}
     14    0.0%    0.0%  Function: <anonymous> {28}
     14    0.0%    0.0%  Builtin: A builtin from the snapshot {2}
     13    0.0%    0.0%  LazyCompile: ToUint32 native runtime.js:543
     13    0.0%    0.0%  LazyCompile: FILTER_KEY native runtime.js:387
     13    0.0%    0.0%  Function: <anonymous> {27}
     13    0.0%    0.0%  Builtin: A builtin from the snapshot {8}
     12    0.0%    0.0%  Stub: ArgumentsAccessStub
     12    0.0%    0.0%  Function: mojito_isMojito
     11    0.0%    0.0%  RegExp: Transfer-Encoding
     11    0.0%    0.0%  Function: <anonymous> {25}
     11    0.0%    0.0%  Builtin: A builtin from the snapshot {11}
     10    0.0%    0.0%  LazyCompile: ToString native runtime.js:506
     10    0.0%    0.0%  LazyCompile: ToNumber native runtime.js:496
     10    0.0%    0.0%  Function: <anonymous> {29}
      9    0.0%    0.0%  LazyCompile: hasOwnProperty native v8natives.js:217
      9    0.0%    0.0%  Builtin: A builtin from the snapshot {5}
      9    0.0%    0.0%  Builtin: A builtin from the snapshot {10}
      8    0.0%    0.0%  LazyCompile: STRING_ADD_RIGHT native runtime.js:187
      8    0.0%    0.0%  LazyCompile: STRING_ADD_LEFT native runtime.js:172
      8    0.0%    0.0%  Function: Walker_step
      8    0.0%    0.0%  Function: IncomingMessage
      8    0.0%    0.0%  CallPreMonomorphic: args_count: 2 {1}
      7    0.0%    0.0%  Stub: RuntimeStub_HasLocalProperty
      7    0.0%    0.0%  Stub: Runtime {3}
      7    0.0%    0.0%  Stub: Instanceof
      7    0.0%    0.0%  Stub: Compare
      7    0.0%    0.0%  Stub: CallFunction {1}
      7    0.0%    0.0%  Stub: CallFunction
      7    0.0%    0.0%  Builtin: A builtin from the snapshot {9}
      6    0.0%    0.0%  Stub: Runtime {1}
      6    0.0%    0.0%  KeyedLoadIC: A keyed load IC from the snapshot {1}
      6    0.0%    0.0%  CallMegamorphic: args_count: 3
      5    0.0%    0.0%  Stub: GenericBinaryOpStub_ADD_OverwriteRight_StackArgs_SSE3
      5    0.0%    0.0%  Stub: ArgumentsAccess
      4    0.0%    0.0%  Stub: RuntimeStub_StringToLowerCase
      4    0.0%    0.0%  Stub: RuntimeStub_MoveArrayContents
      4    0.0%    0.0%  LazyCompile: toString native v8natives.js:577
      4    0.0%    0.0%  LazyCompile: EQUALS native runtime.js:54
      4    0.0%    0.0%  KeyedStoreIC: A keyed store IC from the snapshot {1}
      3    0.0%    0.0%  Stub: Runtime {2}
      3    0.0%    0.0%  Stub: Runtime
      3    0.0%    0.0%  Stub: GenericBinaryOpStub_SUB_Alloc_StackArgs_SSE3
      3    0.0%    0.0%  LazyCompile: create native v8natives.js:452
      3    0.0%    0.0%  Function: <anonymous> {23}
      3    0.0%    0.0%  Builtin: A builtin from the snapshot {13}
      2    0.0%    0.0%  Stub: RuntimeStub_RegExpExec
      2    0.0%    0.0%  Stub: RuntimeStub_GetArrayKeys
      2    0.0%    0.0%  Function: <anonymous> {31}
      2    0.0%    0.0%  CallPreMonomorphic: args_count: 1
      2    0.0%    0.0%  CallPreMonomorphic: args_count: 0
      1    0.0%    0.0%  Stub: RuntimeStub_IsInPrototypeChain
      1    0.0%    0.0%  Stub: Runtime {4}
      1    0.0%    0.0%  Script: node.js
      1    0.0%    0.0%  LazyCompile: stringify native json.js:222
      1    0.0%    0.0%  Function: findModulePath
      1    0.0%    0.0%  Builtin: A builtin from the snapshot {12}

 [C++]:
   ticks  total  nonlib   name
   5696   18.9%   18.9%  _csinf$fenv_access_off
   1474    4.9%    4.9%  ___vfprintf
   1401    4.6%    4.6%  ___sfvwrite
   1270    4.2%    4.2%  _fma$fenv_access_off
    768    2.5%    2.5%  v8::internal::JSObject::LookupInDescriptor
    730    2.4%    2.4%  _szone_free
    460    1.5%    1.5%  v8::internal::DescriptorArray::BinarySearch
    417    1.4%    1.4%  v8::internal::Object::GetProperty
    400    1.3%    1.3%  _szone_malloc_should_clear
    345    1.1%    1.1%  v8::internal::JSObject::LocalLookupRealNamedProperty
    310    1.0%    1.0%  v8::internal::DescriptorArray::CopyInsert
    282    0.9%    0.9%  v8::internal::JSObject::SetProperty
    277    0.9%    0.9%  v8::internal::Heap::AllocateFixedArray
    258    0.9%    0.9%  v8::internal::JSObject::LocalLookup
    256    0.8%    0.8%  v8::internal::LoadIC::Load
    224    0.7%    0.7%  v8::internal::MarkCompactCollector::SweepSpaces
    203    0.7%    0.7%  v8::internal::Map::CreateBackPointers
    189    0.6%    0.6%  v8::internal::MarkCompactCollector::EncodeForwardingAddressesInNewSpace
    186    0.6%    0.6%  v8::internal::Invoke
    186    0.6%    0.6%  _http_parser_execute
    172    0.6%    0.6%  v8::internal::String::ReadBlock
    170    0.6%    0.6%  v8::internal::String::ToCString
    159    0.5%    0.5%  _localeconv_l
    152    0.5%    0.5%  v8::internal::HashTable<v8::internal::StringDictionaryShape, v8::internal::String*>::FindEntry
    152    0.5%    0.5%  v8::internal::Builtin_HandleApiCall
    148    0.5%    0.5%  v8::internal::JSObject::AddFastProperty
    147    0.5%    0.5%  v8::internal::Heap::CreateCode
    137    0.5%    0.5%  v8::internal::Runtime::GetObjectProperty
    137    0.5%    0.5%  _catanh$fenv_access_off
    129    0.4%    0.4%  v8::internal::Assembler::movq
    121    0.4%    0.4%  v8::internal::Object::Lookup
    116    0.4%    0.4%  v8::internal::RelocIterator::next
    108    0.4%    0.4%  v8::internal::Map::UpdateCodeCache
    108    0.4%    0.4%  v8::internal::LogMessageBuilder::Append
    108    0.4%    0.4%  v8::internal::Heap::AllocateMap
    108    0.4%    0.4%  _pthread_mutex_unlock
    106    0.4%    0.4%  _arc4random
     98    0.3%    0.3%  _szone_free_definite_size
     97    0.3%    0.3%  _powl$fenv_access_off
     95    0.3%    0.3%  _sprintf
     92    0.3%    0.3%  v8::internal::Heap::Contains
     91    0.3%    0.3%  v8::internal::String::WriteToFlat<char>
     90    0.3%    0.3%  __malloc_initialize
     88    0.3%    0.3%  v8::internal::StoreIC::Store
     88    0.3%    0.3%  _pthread_mutex_lock
     87    0.3%    0.3%  v8::internal::JSObject::AddFastPropertyUsingMap
     84    0.3%    0.3%  v8::internal::LoadIC::UpdateCaches
     82    0.3%    0.3%  v8::internal::JSObject::NormalizeProperties
     81    0.3%    0.3%  v8::internal::OldSpaceFreeList::Allocate
     80    0.3%    0.3%  v8::internal::LoadIC_Miss
     80    0.3%    0.3%  v8::internal::JSObject::GetElementWithReceiver
     79    0.3%    0.3%  v8::internal::Scanner::IsIdentifier
     79    0.3%    0.3%  node::EventEmitter::Emit
     78    0.3%    0.3%  v8::internal::Operand::Operand
     77    0.3%    0.3%  v8::internal::RelocInfoWriter::Write
     77    0.3%    0.3%  v8::internal::CallIC::LoadFunction
     72    0.2%    0.2%  v8::internal::Heap::AllocateStringFromUtf8
     71    0.2%    0.2%  v8::internal::StoreIC::UpdateCaches
     70    0.2%    0.2%  v8::internal::Assembler::Assembler
     70    0.2%    0.2%  _clog$fenv_access_off
     70    0.2%    0.2%  __mh_dylib_header
     69    0.2%    0.2%  v8::internal::IterateArguments
     69    0.2%    0.2%  node::ReallyEmit
     69    0.2%    0.2%  ___vfwprintf
     68    0.2%    0.2%  v8::internal::Map::CopyDropDescriptors
     66    0.2%    0.2%  v8::Function::Call
     65    0.2%    0.2%  v8::internal::StackFrameIterator::StackFrameIterator
     64    0.2%    0.2%  v8::internal::HashTable<v8::internal::NumberDictionaryShape, unsigned int>::FindEntry
     63    0.2%    0.2%  v8::internal::ConvertCaseHelper<unibrow::ToLowercase>
     62    0.2%    0.2%  v8::internal::MacroAssembler::CheckMaps
     61    0.2%    0.2%  v8::internal::StoreIC_Miss
     60    0.2%    0.2%  v8::internal::Object::GetPrototype
     59    0.2%    0.2%  v8::internal::Assembler::jmp
     58    0.2%    0.2%  v8::internal::MemoryAllocator::AllocatePages
     57    0.2%    0.2%  v8::internal::SweepSpace
     57    0.2%    0.2%  v8::internal::MarkingVisitor::VisitPointers
     57    0.2%    0.2%  v8::internal::Code::CopyFrom
     57    0.2%    0.2%  _inet_ntop6
     54    0.2%    0.2%  v8::Value::IsFunction
     53    0.2%    0.2%  v8::internal::IC::StateFrom
     53    0.2%    0.2%  v8::String::WriteAscii
     53    0.2%    0.2%  _tiny_malloc_from_free_list
     52    0.2%    0.2%  v8::internal::StubCache::ComputeStoreField
     52    0.2%    0.2%  v8::internal::Assembler::j
     50    0.2%    0.2%  v8::internal::Assembler::arithmetic_op
     49    0.2%    0.2%  v8::internal::Runtime::SetObjectProperty
     48    0.2%    0.2%  v8::internal::Heap::AllocateRawAsciiString
     48    0.2%    0.2%  v8::internal::Context::global_context
     47    0.2%    0.2%  v8::internal::UpdatingVisitor::VisitPointers
     47    0.2%    0.2%  v8::internal::StackFrameIterator::AdvanceWithHandler
     47    0.2%    0.2%  v8::Value::ToObject
     46    0.2%    0.2%  v8::internal::Runtime_CloneShallowLiteralBoilerplate
     46    0.2%    0.2%  v8::internal::GetProperty
     46    0.2%    0.2%  _d_print_comp
     45    0.1%    0.1%  v8::internal::String::ComputeHashField
     45    0.1%    0.1%  v8::internal::Logger::CodeCreateEvent
     45    0.1%    0.1%  __pthread_keys_init
     44    0.1%    0.1%  v8::HandleScope::~HandleScope
     44    0.1%    0.1%  unibrow::InputBuffer<v8::internal::String, v8::internal::String*, 1024u>::FillBuffer
     44    0.1%    0.1%  _strcmp
     43    0.1%    0.1%  v8::internal::StubCache::ComputeLoadField
     43    0.1%    0.1%  _getsectbynamefromheader
     42    0.1%    0.1%  v8::internal::Runtime_HasProperty
     42    0.1%    0.1%  v8::internal::JSObject::GetPropertyAttributeWithReceiver
     42    0.1%    0.1%  _sysctl
     41    0.1%    0.1%  v8::internal::Assembler::bind
     40    0.1%    0.1%  v8::internal::StubCache::ComputeLoadConstant
     40    0.1%    0.1%  v8::internal::CallIC_Miss
     40    0.1%    0.1%  v8::Value::ToString
     40    0.1%    0.1%  v8::Object::Get
     39    0.1%    0.1%  v8::internal::Heap::CopyJSObject
     39    0.1%    0.1%  v8::internal::GetKeysInFixedArrayFor
     39    0.1%    0.1%  ___cxa_get_globals
     38    0.1%    0.1%  v8::internal::Runtime_GetArrayKeys
     38    0.1%    0.1%  v8::internal::Logger::ApiEntryCall
     38    0.1%    0.1%  _catan$fenv_access_off
     37    0.1%    0.1%  v8::internal::Malloced::New
     37    0.1%    0.1%  v8::internal::MacroAssembler::MacroAssembler
     37    0.1%    0.1%  v8::internal::JSObject::AddProperty
     37    0.1%    0.1%  _atexit_register
     36    0.1%    0.1%  v8::internal::Runtime_NewClosure
     36    0.1%    0.1%  v8::internal::LogMessageBuilder::LogMessageBuilder
     36    0.1%    0.1%  v8::internal::CallIC::UpdateCaches
     36    0.1%    0.1%  node::Loop
     35    0.1%    0.1%  v8::HandleScope::HandleScope
     34    0.1%    0.1%  v8::TryCatch::~TryCatch
     34    0.1%    0.1%  v8::Array::Length
     34    0.1%    0.1%  unibrow::Utf8::ReadBlock
     34    0.1%    0.1%  node::Connection::Send
     33    0.1%    0.1%  v8::internal::Assembler::testb
     33    0.1%    0.1%  v8::Integer::New
     33    0.1%    0.1%  read_encoded_value_with_base
     33    0.1%    0.1%  ___xfputwc
     32    0.1%    0.1%  v8::internal::Runtime_KeyedGetProperty
     32    0.1%    0.1%  v8::internal::Runtime_HasLocalProperty
     32    0.1%    0.1%  v8::internal::Runtime::GetElementOrCharAt
     32    0.1%    0.1%  v8::internal::Object::GetPropertyWithReceiver
     32    0.1%    0.1%  v8::internal::OS::VSNPrintF
     32    0.1%    0.1%  v8::internal::Map::FindInCodeCache
     32    0.1%    0.1%  _szone_calloc
     31    0.1%    0.1%  v8::internal::FixedSpace::SlowAllocateRaw
     31    0.1%    0.1%  v8::internal::CPU::FlushICache
     31    0.1%    0.1%  _dladdr
     30    0.1%    0.1%  v8::internal::Runtime_MoveArrayContents
     30    0.1%    0.1%  v8::internal::RegExpImpl::IrregexpExec
     30    0.1%    0.1%  v8::internal::MarkCompactCollector::ClearNonLiveTransitions
     30    0.1%    0.1%  v8::internal::Heap::AllocateJSObjectFromMap
     30    0.1%    0.1%  v8::internal::Factory::NewFixedArray
     30    0.1%    0.1%  v8::internal::Accessors::ArraySetLength
     30    0.1%    0.1%  v8::String::New
     30    0.1%    0.1%  __dispatch_queue_set_width_init
     29    0.1%    0.1%  _mach_port_allocate
     28    0.1%    0.1%  v8::internal::Heap::AllocateRaw
     28    0.1%    0.1%  v8::internal::CodeStub::FindCodeInCache
     27    0.1%    0.1%  v8::internal::String::SlowEquals
     27    0.1%    0.1%  v8::internal::MacroAssembler::RecordWriteNonSmi
     27    0.1%    0.1%  v8::internal::LoadStubCompiler::CompileLoadField
     27    0.1%    0.1%  v8::internal::KeyedStoreIC_Miss
     27    0.1%    0.1%  v8::internal::Dictionary<v8::internal::StringDictionaryShape, v8::internal::String*>::Add
     27    0.1%    0.1%  v8::Value::IsObject
     27    0.1%    0.1%  v8::HandleScope::RawClose
     26    0.1%    0.1%  v8::internal::Heap::AllocateFixedArrayWithHoles
     26    0.1%    0.1%  v8::internal::Dictionary<v8::internal::StringDictionaryShape, v8::internal::String*>::AddEntry
     26    0.1%    0.1%  v8::internal::Builtin_ArrayPush
     26    0.1%    0.1%  __keymgr_set_and_unlock_processwide_ptr
     25    0.1%    0.1%  v8::internal::StringDictionary::CopyEnumKeysTo
     25    0.1%    0.1%  v8::internal::Runtime_NewArgumentsFast
     25    0.1%    0.1%  v8::internal::KeyedStoreIC::Store
     25    0.1%    0.1%  v8::internal::JSObject::GetPropertyAttribute
     25    0.1%    0.1%  LockHelper::~LockHelper
     24    0.1%    0.1%  v8::internal::MarkCompactCollector::CreateBackPointers
     24    0.1%    0.1%  v8::internal::Label::pos
     24    0.1%    0.1%  v8::internal::HeapObject::SlowSizeFromMap
     24    0.1%    0.1%  v8::internal::Heap::AllocateArgumentsObject
     24    0.1%    0.1%  _d_print_cast
     24    0.1%    0.1%  _ctanhf$fenv_access_off
     23    0.1%    0.1%  v8::internal::StubCompiler::GenerateStoreField
     23    0.1%    0.1%  v8::internal::JSObject::SetPropertyWithCallback
     23    0.1%    0.1%  _stream_event
     22    0.1%    0.1%  v8::internal::JSObject::NumberOfEnumProperties
     22    0.1%    0.1%  v8::internal::Heap::CopyFixedArray
     22    0.1%    0.1%  node::HTTPConnection::on_headers_complete
     22    0.1%    0.1%  _dwarf2_unwind_dyld_add_image_hook
     21    0.1%    0.1%  v8::internal::SetProperty
     21    0.1%    0.1%  v8::internal::Runtime_RegExpExec
     21    0.1%    0.1%  v8::internal::Runtime_ArrayConcat
     21    0.1%    0.1%  v8::internal::NativeRegExpMacroAssembler::Match
     21    0.1%    0.1%  v8::internal::MacroAssembler::Cmp
     21    0.1%    0.1%  v8::internal::HashTable<v8::internal::StringDictionaryShape, v8::internal::String*>::EnsureCapacity
     21    0.1%    0.1%  v8::internal::Execution::Call
     21    0.1%    0.1%  v8::internal::Assembler::GetCode
     21    0.1%    0.1%  v8::Value::IsArray
     21    0.1%    0.1%  _memcmp
     20    0.1%    0.1%  v8::internal::Logger::IntEvent
     20    0.1%    0.1%  v8::internal::GetEnumPropertyKeys
     20    0.1%    0.1%  v8::internal::CodeStub::GetCode
     20    0.1%    0.1%  v8::internal::Assembler::immediate_arithmetic_op
     20    0.1%    0.1%  v8::True
     19    0.1%    0.1%  v8::internal::UnionOfKeys
     19    0.1%    0.1%  v8::internal::HeapObject::IterateBody
     19    0.1%    0.1%  v8::internal::FixedArray::CopySize
     19    0.1%    0.1%  v8::TryCatch::HasCaught
     19    0.1%    0.1%  v8::Object::Set
     18    0.1%    0.1%  v8::internal::StubCompiler::CheckPrototypes
     18    0.1%    0.1%  v8::internal::FixedArray::UnionOfKeys
     18    0.1%    0.1%  v8::String::WriteUtf8
     18    0.1%    0.1%  _stream_recv__data
     17    0.1%    0.1%  v8::internal::String::SlowAsArrayIndex
     17    0.1%    0.1%  v8::internal::StackFrame::ComputeType
     17    0.1%    0.1%  v8::internal::MarkCompactCollector::EncodeForwardingAddressesInPagedSpace<&(v8::internal::MCAllocateFromCodeSpace(v8::internal::HeapObject*, int)), &(v8::internal::LogNonLiveCodeObject(v8::internal::HeapObject*))>
     17    0.1%    0.1%  v8::internal::LogMessageBuilder::WriteToLogFile
     17    0.1%    0.1%  v8::internal::KeyedStoreIC::UpdateCaches
     17    0.1%    0.1%  v8::internal::Heap::UpdateRSet
     17    0.1%    0.1%  v8::internal::ExitFrame::ComputeCallerState
     17    0.1%    0.1%  dyldGlobalLockInitialize
     17    0.1%    0.1%  _libdispatch_init
     17    0.1%    0.1%  _evcom_stream_write
     17    0.1%    0.1%  _calloc
     17    0.1%    0.1%  _OSAtomicEnqueue
     16    0.1%    0.1%  v8::internal::StackFrame::GetCallerState
     16    0.1%    0.1%  v8::internal::ScavengeVisitor::VisitPointers
     16    0.1%    0.1%  v8::internal::Runtime_StringToLowerCase
     16    0.1%    0.1%  v8::internal::Runtime_GetPropertyNamesFast
     16    0.1%    0.1%  v8::internal::Object::GetElementWithReceiver
     16    0.1%    0.1%  v8::internal::Map::IndexInCodeCache
     16    0.1%    0.1%  v8::internal::JSObject::SetElementsLength
     16    0.1%    0.1%  v8::internal::JSObject::GetLocalElementKeys
     16    0.1%    0.1%  v8::internal::JSObject::AddSlowProperty
     16    0.1%    0.1%  v8::internal::Heap::ScavengeObjectSlow
     16    0.1%    0.1%  v8::internal::FixedArray::SortPairs
     16    0.1%    0.1%  v8::internal::Factory::NewJSObject
     16    0.1%    0.1%  v8::internal::Factory::NewFunctionFromBoilerplate
     16    0.1%    0.1%  v8::internal::Assembler::bts
     15    0.0%    0.0%  v8::internal::SharedStoreIC_ExtendStorage
     15    0.0%    0.0%  v8::internal::LoadCallbackProperty
     15    0.0%    0.0%  v8::internal::JavaScriptFrame::type
     15    0.0%    0.0%  v8::internal::ExitFrame::GetStateForFramePointer
     14    0.0%    0.0%  v8::internal::LoadStubCompiler::GetCode
     14    0.0%    0.0%  v8::internal::JSObject::IsSimpleEnum
     14    0.0%    0.0%  v8::internal::CodeStub::has_custom_cache
     14    0.0%    0.0%  _arc4_stir
     13    0.0%    0.0%  v8::internal::RelocIterator::RelocIterator
     13    0.0%    0.0%  v8::internal::MarkCompactCollector::MarkDescriptorArray
     13    0.0%    0.0%  v8::internal::MacroAssembler::JumpIfSmi
     13    0.0%    0.0%  v8::internal::KeyedLookupCache::Lookup
     13    0.0%    0.0%  v8::internal::KeyedLoadIC::Load
     13    0.0%    0.0%  v8::internal::JSEntryStub::MinorKey
     13    0.0%    0.0%  v8::internal::Heap::SmiOrNumberFromDouble
     13    0.0%    0.0%  v8::internal::Heap::AllocateFunction
     13    0.0%    0.0%  v8::internal::Execution::ToNumber
     13    0.0%    0.0%  node::Connection::ReadyStateGetter
     13    0.0%    0.0%  _malloc_zone_calloc
     13    0.0%    0.0%  _ev_invoke_pending
     12    0.0%    0.0%  v8::internal::StoreStubCompiler::CompileStoreField
     12    0.0%    0.0%  v8::internal::Object::GetPropertyWithCallback
     12    0.0%    0.0%  v8::internal::LogMessageBuilder::AppendAddress
     12    0.0%    0.0%  v8::internal::Log::WriteToFile
     12    0.0%    0.0%  v8::internal::LoadStubCompiler::CompileLoadConstant
     12    0.0%    0.0%  v8::internal::HasLocalPropertyImplementation
     12    0.0%    0.0%  unibrow::InputBuffer<unibrow::Utf8, unibrow::Buffer<char const*>, 1024u>::FillBuffer
     12    0.0%    0.0%  node::HTTPConnection::on_header_field
     12    0.0%    0.0%  _ev_timer_again
     11    0.0%    0.0%  v8::internal::Top::UnregisterTryCatchHandler
     11    0.0%    0.0%  v8::internal::SetElement
     11    0.0%    0.0%  v8::internal::OldSpace::SlowAllocateRaw
     11    0.0%    0.0%  v8::internal::MarkCompactCollector::RelocateNewObject
     11    0.0%    0.0%  v8::internal::MarkCompactCollector::EncodeForwardingAddressesInPagedSpace<&(v8::internal::MCAllocateFromMapSpace(v8::internal::HeapObject*, int)), &(v8::internal::IgnoreNonLiveObject(v8::internal::HeapObject*))>
     11    0.0%    0.0%  v8::internal::MarkCompactCollector::EmptyMarkingStack
     11    0.0%    0.0%  v8::internal::Logger::ApiObjectAccess
     11    0.0%    0.0%  v8::internal::Factory::NewNumber
     11    0.0%    0.0%  v8::internal::Execution::ToUint32
     11    0.0%    0.0%  v8::internal::ComputeIntegerHash
     11    0.0%    0.0%  v8::internal::Assembler::~Assembler
     11    0.0%    0.0%  v8::internal::Assembler::shift
     11    0.0%    0.0%  v8::internal::Assembler::ret
     11    0.0%    0.0%  v8::String::Utf8Value::Utf8Value
     11    0.0%    0.0%  unibrow::InputBuffer<v8::internal::String, v8::internal::String*, 1024u>::Rewind
     11    0.0%    0.0%  node::HTTPConnection::on_header_value
     10    0.0%    0.0%  v8::internal::Runtime_SetProperty
     10    0.0%    0.0%  v8::internal::MarkCompactCollector::RelocateObjects
     10    0.0%    0.0%  v8::internal::MacroAssembler::RecordWrite
     10    0.0%    0.0%  v8::internal::JSObject::SetFastElements
     10    0.0%    0.0%  v8::internal::Heap::AllocateJSObject
     10    0.0%    0.0%  v8::internal::DescriptorArray::RemoveTransitions
     10    0.0%    0.0%  v8::internal::CountMarkedCallback
     10    0.0%    0.0%  v8::internal::Accessors::ObjectSetPrototype
     10    0.0%    0.0%  node::HTTPConnection::on_message_complete
     10    0.0%    0.0%  get_adjusted_ptr
     10    0.0%    0.0%  ___error
      9    0.0%    0.0%  v8::internal::StubCompiler::GenerateLoadConstant
      9    0.0%    0.0%  v8::internal::MacOSMutex::Unlock
      9    0.0%    0.0%  v8::internal::Heap::ScavengePointer
      9    0.0%    0.0%  v8::internal::Factory::NewStringFromUtf8
      9    0.0%    0.0%  v8::internal::Factory::NewJSArrayWithElements
      9    0.0%    0.0%  v8::internal::ExitFrame::GetCallerStackPointer
      9    0.0%    0.0%  _select_poll
      8    0.0%    0.0%  v8::internal::Top::LookupSpecialFunction
      8    0.0%    0.0%  v8::internal::StubCompiler::GenerateFastPropertyLoad
      8    0.0%    0.0%  v8::internal::StringInputBuffer::Seek
      8    0.0%    0.0%  v8::internal::StoreStubCompiler::GetCode
      8    0.0%    0.0%  v8::internal::RoundUpToPowerOf2
      8    0.0%    0.0%  v8::internal::MarkCompactCollector::UpdatePointersInOldObject
      8    0.0%    0.0%  v8::internal::MarkCompactCollector::EncodeForwardingAddressesInPagedSpace<&(v8::internal::MCAllocateFromOldPointerSpace(v8::internal::HeapObject*, int)), &(v8::internal::IgnoreNonLiveObject(v8::internal::HeapObject*))>
      8    0.0%    0.0%  v8::internal::Heap::DoScavenge
      8    0.0%    0.0%  v8::internal::Factory::BaseNewFunctionFromBoilerplate
      8    0.0%    0.0%  v8::internal::Builtin_ArrayCodeGeneric
      8    0.0%    0.0%  v8::internal::Assembler::lea
      8    0.0%    0.0%  v8::Object::New
      7    0.0%    0.0%  v8::internal::OS::IsOutsideAllocatedSpace
      7    0.0%    0.0%  v8::internal::MarkingVisitor::VisitCodeTarget
      7    0.0%    0.0%  v8::internal::JSObject::SetFastElement
      7    0.0%    0.0%  v8::internal::JSObject::SetElementWithoutInterceptor
      7    0.0%    0.0%  v8::internal::JSObject::NumberOfEnumElements
      7    0.0%    0.0%  v8::internal::JSEntryStub::MajorKey
      7    0.0%    0.0%  v8::internal::Heap::RebuildRSets
      7    0.0%    0.0%  v8::internal::Heap::IterateRSet
      7    0.0%    0.0%  v8::internal::Heap::GetNumberStringCache
      7    0.0%    0.0%  v8::internal::Heap::AllocateFunctionContext
      7    0.0%    0.0%  v8::internal::Context::builtins
      7    0.0%    0.0%  v8::TryCatch::TryCatch
      7    0.0%    0.0%  _pthread_key_init_np
      7    0.0%    0.0%  _OSMemoryBarrier
      6    0.0%    0.0%  v8::internal::Runtime_NewContext
      6    0.0%    0.0%  v8::internal::RegExpStack::EnsureCapacity
      6    0.0%    0.0%  v8::internal::MarkCompactCollector::MarkUnmarkedObject
      6    0.0%    0.0%  v8::internal::MacOSMutex::Lock
      6    0.0%    0.0%  v8::internal::Logger::SuspectReadEvent
      6    0.0%    0.0%  v8::internal::JSObject::HasRealNamedProperty
      6    0.0%    0.0%  v8::internal::Accessors::FunctionGetName
      6    0.0%    0.0%  v8::False
      6    0.0%    0.0%  v8::External::Value
      6    0.0%    0.0%  node::ParseEncoding
      6    0.0%    0.0%  node::HTTPConnection::OnReceive
      6    0.0%    0.0%  node::DecodeBytes
      6    0.0%    0.0%  ___cxa_atexit
      5    0.0%    0.0%  v8::internal::Top::RegisterTryCatchHandler
      5    0.0%    0.0%  v8::internal::String::TryFlatten
      5    0.0%    0.0%  v8::internal::ScopeInfo<v8::internal::FreeStoreAllocationPolicy>::NumberOfContextSlots
      5    0.0%    0.0%  v8::internal::OldSpace::AllocateInNextPage
      5    0.0%    0.0%  v8::internal::MarkingVisitor::VisitPointer
      5    0.0%    0.0%  v8::internal::MarkCompactCollector::UpdatePointersInNewObject
      5    0.0%    0.0%  v8::internal::Logger::CodeDeleteEvent
      5    0.0%    0.0%  v8::internal::LargeObjectSpace::Contains
      5    0.0%    0.0%  v8::internal::KeyedLookupCache::Update
      5    0.0%    0.0%  v8::internal::KeyedLoadIC::UpdateCaches
      5    0.0%    0.0%  v8::internal::Factory::NewFixedArrayWithHoles
      5    0.0%    0.0%  v8::HandleScope::CreateHandle
      5    0.0%    0.0%  _processor_set_tasks
      5    0.0%    0.0%  _malloc_zone_malloc
      5    0.0%    0.0%  _evcom_stream_state
      5    0.0%    0.0%  __dyld_initializer
      4    0.0%    0.0%  v8::internal::Runtime_NumberToString
      4    0.0%    0.0%  v8::internal::Runtime_IsInPrototypeChain
      4    0.0%    0.0%  v8::internal::OldSpace::PrepareForMarkCompact
      4    0.0%    0.0%  v8::internal::MarkCompactCollector::RelocateOldPointerObject
      4    0.0%    0.0%  v8::internal::MacroAssembler::Move
      4    0.0%    0.0%  v8::internal::KeyedLoadIC_Miss
      4    0.0%    0.0%  v8::internal::Factory::NewJSArray
      4    0.0%    0.0%  v8::String::Length
      4    0.0%    0.0%  node::Connection::on_read
      4    0.0%    0.0%  _getsectdatafromheader
      4    0.0%    0.0%  _dlopen
      4    0.0%    0.0%  __dyld_register_func_for_remove_image
      3    0.0%    0.0%  v8::internal::UpdatingVisitor::VisitCodeTarget
      3    0.0%    0.0%  v8::internal::MarkCompactCollector::UpdatePointers
      3    0.0%    0.0%  v8::internal::MarkCompactCollector::MarkMapContents
      3    0.0%    0.0%  v8::internal::JSObject::GetLocalPropertyAttribute
      3    0.0%    0.0%  v8::internal::JSObject::AddConstantFunctionProperty
      3    0.0%    0.0%  v8::internal::JSArray::Initialize
      3    0.0%    0.0%  v8::internal::Heap::AllocateRawFixedArray
      3    0.0%    0.0%  v8::internal::FixedSizeFreeList::Free
      3    0.0%    0.0%  v8::internal::Code::Relocate
      3    0.0%    0.0%  v8::internal::Accessors::ObjectGetPrototype
      3    0.0%    0.0%  node::HTTPConnection::on_url
      3    0.0%    0.0%  ___mach_stack_logging_enumerate_records
      3    0.0%    0.0%  ___get_current_numeric_locale
      2    0.0%    0.0%  v8::internal::UpdatingVisitor::VisitPointer
      2    0.0%    0.0%  v8::internal::UpdateRSetVisitor::VisitPointers
      2    0.0%    0.0%  v8::internal::Scanner::Scan
      2    0.0%    0.0%  v8::internal::RegExpImpl::Exec
      2    0.0%    0.0%  v8::internal::OldSpace::PageAllocationTop
      2    0.0%    0.0%  v8::internal::MarkCompactCollector::EncodeForwardingAddressesInPagedSpace<&(v8::internal::MCAllocateFromOldDataSpace(v8::internal::HeapObject*, int)), &(v8::internal::IgnoreNonLiveObject(v8::internal::HeapObject*))>
      2    0.0%    0.0%  v8::internal::MapSpace::PrepareForMarkCompact
      2    0.0%    0.0%  v8::internal::Map::CopyDropTransitions
      2    0.0%    0.0%  v8::internal::JSObject::SetElement
      2    0.0%    0.0%  v8::internal::HeapObjectIterator::HasNextInNextPage
      2    0.0%    0.0%  v8::internal::Heap::NumberFromDouble
      2    0.0%    0.0%  v8::internal::Heap::AllocateHashTable
      2    0.0%    0.0%  v8::internal::Code::CodeIterateBody
      2    0.0%    0.0%  node::HTTPConnection::on_message_begin
      2    0.0%    0.0%  node::DecodeWrite
      2    0.0%    0.0%  _ev_loop
      2    0.0%    0.0%  _ev_feed_event
      2    0.0%    0.0%  _create_scalable_zone
      2    0.0%    0.0%  ___get_current_monetary_locale
      1    0.0%    0.0%  v8::internal::VirtualFrame::SyncRange
      1    0.0%    0.0%  v8::internal::VirtualFrame::PrepareForCall
      1    0.0%    0.0%  v8::internal::StubCache::ComputeKeyedLoadField
      1    0.0%    0.0%  v8::internal::StubCache::ComputeCallConstant
      1    0.0%    0.0%  v8::internal::String::SubString
      1    0.0%    0.0%  v8::internal::StackGuard::InitThread
      1    0.0%    0.0%  v8::internal::ScavengeVisitor::VisitPointer
      1    0.0%    0.0%  v8::internal::Scanner::ScanIdentifier
      1    0.0%    0.0%  v8::internal::RootMarkingVisitor::VisitPointers
      1    0.0%    0.0%  v8::internal::RegExpStack::~RegExpStack
      1    0.0%    0.0%  v8::internal::RegExpStack::RegExpStack
      1    0.0%    0.0%  v8::internal::Parser::ParsePrimaryExpression
      1    0.0%    0.0%  v8::internal::Parser::ParseMemberWithNewPrefixesExpression
      1    0.0%    0.0%  v8::internal::Parser::ParseBinaryExpression
      1    0.0%    0.0%  v8::internal::PagedSpace::Shrink
      1    0.0%    0.0%  v8::internal::PagedSpace::ClearRSet
      1    0.0%    0.0%  v8::internal::OldSpaceFreeList::Free
      1    0.0%    0.0%  v8::internal::OldSpace::MCCommitRelocationInfo
      1    0.0%    0.0%  v8::internal::MarkCompactCollector::DeallocateMapBlock
      1    0.0%    0.0%  v8::internal::Map::PropertyIndexFor
      1    0.0%    0.0%  v8::internal::Malloced::Delete
      1    0.0%    0.0%  v8::internal::MacroAssembler::InvokePrologue
      1    0.0%    0.0%  v8::internal::JumpTarget::ComputeEntryFrame
      1    0.0%    0.0%  v8::internal::JSObject::GetEnumElementKeys
      1    0.0%    0.0%  v8::internal::HeapObject::Iterate
      1    0.0%    0.0%  v8::internal::Heap::NumberToString
      1    0.0%    0.0%  v8::internal::Heap::CollectAllGarbageIfContextDisposed
      1    0.0%    0.0%  v8::internal::Heap::AllocateProxy
      1    0.0%    0.0%  v8::internal::HashMap::Lookup
      1    0.0%    0.0%  v8::internal::FreeListNode::set_size
      1    0.0%    0.0%  v8::internal::FixedSpace::PageAllocationTop
      1    0.0%    0.0%  v8::internal::ExternalStringTable::CleanUp
      1    0.0%    0.0%  v8::internal::ExternalReference::new_space_start
      1    0.0%    0.0%  v8::internal::CodeGenerator::LoadGlobal
      1    0.0%    0.0%  v8::internal::CodeGenerator::Comparison
      1    0.0%    0.0%  v8::internal::AstOptimizer::VisitReturnStatement
      1    0.0%    0.0%  v8::internal::Assembler::call
      1    0.0%    0.0%  unibrow::InputBuffer<unibrow::Utf8, unibrow::Buffer<char const*>, 256u>::FillBuffer
      1    0.0%    0.0%  _si_async_call
      1    0.0%    0.0%  _malloc_default_zone
      1    0.0%    0.0%  _http_should_keep_alive
      1    0.0%    0.0%  _http_parser_init
      1    0.0%    0.0%  _dyld_register_image_state_change_handler

 [GC]:
   ticks  total  nonlib   name
   2445    8.1%

 [Bottom up (heavy) profile]:
  Note: percentage shows a share of a particular caller in the total
  amount of its parent calls.
  Callers occupying less than 2.0% are not shown.

   ticks parent  name
   5696   18.9%  _csinf$fenv_access_off
   5695  100.0%    node::Loop
   5692   99.9%      LazyCompile: <anonymous> node.js:1
   5692  100.0%        Script: node.js

   1474    4.9%  ___vfprintf
    605   41.0%    Function: Walker_done
    605  100.0%      Function: aopJoinPoint
    312   51.6%        Function: HTTPWalker_finish
    312  100.0%          Function: HTTPWalker_afterDone
    312  100.0%            Function: aopJoinPoint
    293   48.4%        LazyCompile: <anonymous> /Users/isaacs/Documents/src/js/mojito/examples/sugar-hello-world.js:4
    293  100.0%          Function: Walker_step
    293  100.0%            Function: Walker_next
    172   11.7%    Function: Walker_next
    172  100.0%      Function: walk
    172  100.0%        Function: <anonymous> {18}
    172  100.0%          Function: <anonymous> {19}
    172  100.0%            Function: <anonymous> {20}
    157   10.7%    Function: HTTPWalker_sendHeader
    157  100.0%      LazyCompile: <anonymous> /Users/isaacs/Documents/src/js/mojito/examples/sugar-hello-world.js:4
    157  100.0%        Function: Walker_step
    157  100.0%          Function: Walker_next
    157  100.0%            Function: walk
    145    9.8%    node::Loop
    145  100.0%      LazyCompile: <anonymous> node.js:1
    145  100.0%        Script: node.js
     91    6.2%    LazyCompile: <anonymous> node.js:1
     91  100.0%      Script: node.js
     77    5.2%    Function: HTTPWalker
     77  100.0%      Function: HTTPWalker
     77  100.0%        Function: walk
     77  100.0%          Function: <anonymous> {18}
     77  100.0%            Function: <anonymous> {19}
     64    4.3%    Function: HTTPWalker_afterDone
     64  100.0%      Function: aopJoinPoint
     64  100.0%        Function: HTTPWalker_finish
     64  100.0%          Function: HTTPWalker_afterDone
     64  100.0%            Function: aopJoinPoint

   1401    4.6%  ___sfvwrite
   1387   99.0%    node::Connection::Send
   1387  100.0%      Function: flushMessageQueue
   1387  100.0%        Function: <anonymous> {22}
   1387  100.0%          Function: <anonymous> {23}
   1387  100.0%            Function: <anonymous> {24}

   1270    4.2%  _fma$fenv_access_off
    599   47.2%    Function: Walker_done
    599  100.0%      Function: aopJoinPoint
    375   62.6%        Function: HTTPWalker_finish
    375  100.0%          Function: HTTPWalker_afterDone
    375  100.0%            Function: aopJoinPoint
    224   37.4%        LazyCompile: <anonymous> /Users/isaacs/Documents/src/js/mojito/examples/sugar-hello-world.js:4
    224  100.0%          Function: Walker_step
    224  100.0%            Function: Walker_next
    165   13.0%    LazyCompile: <anonymous> node.js:1
    165  100.0%      Script: node.js
     86    6.8%    Function: Walker_next
     86  100.0%      Function: walk
     86  100.0%        Function: <anonymous> {18}
     86  100.0%          Function: <anonymous> {19}
     86  100.0%            Function: <anonymous> {20}
     43    3.4%    Function: HTTPWalker_afterDone
     43  100.0%      Function: aopJoinPoint
     43  100.0%        Function: HTTPWalker_finish
     43  100.0%          Function: HTTPWalker_afterDone
     43  100.0%            Function: aopJoinPoint
     32    2.5%    Function: HTTPWalker_sendHeader
     32  100.0%      LazyCompile: <anonymous> /Users/isaacs/Documents/src/js/mojito/examples/sugar-hello-world.js:4
     32  100.0%        Function: Walker_step
     32  100.0%          Function: Walker_next
     32  100.0%            Function: walk

    768    2.5%  v8::internal::JSObject::LookupInDescriptor
    155   20.2%    node::Loop
    155  100.0%      LazyCompile: <anonymous> node.js:1
    155  100.0%        Script: node.js
    101   13.2%    Function: HTTPWalker_sendHeader
     83   82.2%      LazyCompile: <anonymous> /Users/isaacs/Documents/src/js/mojito/examples/sugar-hello-world.js:4
     83  100.0%        Function: Walker_step
     83  100.0%          Function: Walker_next
     83  100.0%            Function: walk
     18   17.8%      Function: HTTPWalker_sendBody
     18  100.0%        LazyCompile: <anonymous> /Users/isaacs/Documents/src/js/mojito/examples/sugar-hello-world.js:4
     18  100.0%          Function: Walker_step
     18  100.0%            Function: Walker_next
     72    9.4%    node::EventEmitter::Emit
     17   23.6%      Function: flushMessageQueue
     17  100.0%        Function: <anonymous> {22}
     17  100.0%          Function: <anonymous> {23}
     17  100.0%            Function: <anonymous> {24}
     16   22.2%      Function: <anonymous> {29}
     16  100.0%        LazyCompile: <anonymous> node.js:1
     16  100.0%          Script: node.js
     15   20.8%      Function: <anonymous> {21}
      9   60.0%        Function: HTTPWalker
      9  100.0%          Function: HTTPWalker
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