bmizerany / _tmp_screen-exchange secret

Created June 17, 2010


    
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            scons: done building targets.
line 666: unknown command: .str.split.
line 667: unknown command: .map.join.
line 668: unknown command:  sys:139"
Statistical profiling result from v8.log, (347 ticks, 113 unaccounted, 0 excluded).
 
 [Unknown]:
   ticks  total  nonlib   name
    113   32.6%
 
 [Shared libraries]:
   ticks  total  nonlib   name
 
 [JavaScript]:
   ticks  total  nonlib   name
    118   34.0%   34.0%  LazyCompile: <anonymous> /Users/blake/code/borg/test/proto_test.js:1
      4    1.2%    1.2%  Function: parser.proto.Parser /Users/blake/code/borg/test/proto_test.js:8
      3    0.9%    0.9%  Stub: JSEntry
      3    0.9%    0.9%  Stub: CEntry
 
 [C++]:
   ticks  total  nonlib   name
     15    4.3%    4.3%  v8::String::WriteUtf8
     13    3.7%    3.7%  v8::internal::Heap::AllocateStringFromUtf8
     12    3.5%    3.5%  v8::internal::StackFrameIterator::StackFrameIterator
     10    2.9%    2.9%  v8::internal::Invoke
     10    2.9%    2.9%  _tiny_malloc_from_free_list
      8    2.3%    2.3%  v8::internal::Builtin_FastHandleApiCall
      7    2.0%    2.0%  v8::internal::String::ReadBlock
      7    2.0%    2.0%  v8::internal::JSArray::Initialize
      5    1.4%    1.4%  v8::internal::StackFrameIterator::AdvanceWithHandler
      5    1.4%    1.4%  v8::internal::JSEntryStub::MinorKey
      5    1.4%    1.4%  v8::Object::Set
      4    1.2%    1.2%  v8::internal::String::Utf8Length
      4    1.2%    1.2%  v8::internal::JSObject::SetElement
      4    1.2%    1.2%  v8::internal::Heap::AllocateJSObjectFromMap
      4    1.2%    1.2%  v8::internal::Heap::AllocateFixedArrayWithHoles
      4    1.2%    1.2%  v8::internal::CodeStub::FindCodeInCache
      4    1.2%    1.2%  v8::Undefined
      3    0.9%    0.9%  v8::internal::JumpTarget::DoBranch
      3    0.9%    0.9%  v8::internal::JumpTarget::ComputeEntryFrame
      3    0.9%    0.9%  v8::internal::Heap::AllocateRawFixedArray
      3    0.9%    0.9%  v8::internal::Context::global_context
      3    0.9%    0.9%  __malloc_initialize
      2    0.6%    0.6%  v8::internal::Top::RegisterTryCatchHandler
      2    0.6%    0.6%  v8::internal::SetElement
      2    0.6%    0.6%  v8::internal::Logger::ApiEntryCall
      2    0.6%    0.6%  v8::internal::JumpTarget::DoBind
      2    0.6%    0.6%  v8::internal::HashTable<v8::internal::NumberDictionaryShape, unsigned int>::FindEntry
      2    0.6%    0.6%  v8::internal::Factory::NewJSObject
      2    0.6%    0.6%  v8::internal::Execution::Call
      2    0.6%    0.6%  v8::Value::ToString
      2    0.6%    0.6%  v8::String::Utf8Value::Utf8Value
      2    0.6%    0.6%  v8::Object::InternalFieldCount
      2    0.6%    0.6%  v8::HandleScope::HandleScope
      2    0.6%    0.6%  v8::External::Value
      2    0.6%    0.6%  unibrow::InputBuffer<unibrow::Utf8, unibrow::Buffer<char const*>, 1024u>::FillBuffer
      2    0.6%    0.6%  _strncmp
      2    0.6%    0.6%  _d_print_comp
      2    0.6%    0.6%  _create_scalable_zone
      2    0.6%    0.6%  __pthread_mutex_init
      1    0.3%    0.3%  v8::internal::VirtualFrame::SyncElementBelowStackPointer
      1    0.3%    0.3%  v8::internal::VirtualFrame::PrepareMergeTo
      1    0.3%    0.3%  v8::internal::String::ToAsciiVector
      1    0.3%    0.3%  v8::internal::StackFrame::GetCallerState
      1    0.3%    0.3%  v8::internal::Scanner::ScanJavaScript
      1    0.3%    0.3%  v8::internal::Scanner::Next
      1    0.3%    0.3%  v8::internal::Runtime::StringMatch
      1    0.3%    0.3%  v8::internal::Runtime::ForceSetObjectProperty
      1    0.3%    0.3%  v8::internal::RelocInfoWriter::Write
      1    0.3%    0.3%  v8::internal::RegisterAllocator::Allocate
      1    0.3%    0.3%  v8::internal::RegExpCapture::ToNode
      1    0.3%    0.3%  v8::internal::Parser::ParsePostfixExpression
      1    0.3%    0.3%  v8::internal::Parser::ParseLeftHandSideExpression
      1    0.3%    0.3%  v8::internal::Parser::ParseExpressionOrLabelledStatement
      1    0.3%    0.3%  v8::internal::Parser::ParseAssignmentExpression
      1    0.3%    0.3%  v8::internal::MemoryAllocator::AllocatePages
      1    0.3%    0.3%  v8::internal::LogMessageBuilder::WriteToLogFile
      1    0.3%    0.3%  v8::internal::KeywordMatcher::Step
      1    0.3%    0.3%  v8::internal::JumpTarget::AddReachingFrame
      1    0.3%    0.3%  v8::internal::JavaScriptFrame::type
      1    0.3%    0.3%  v8::internal::HeapIterator::next
      1    0.3%    0.3%  v8::internal::Heap::AllocateRaw
      1    0.3%    0.3%  v8::internal::Heap::AllocateJSObject
      1    0.3%    0.3%  v8::internal::Heap::AllocateHashTable
      1    0.3%    0.3%  v8::internal::GlobalHandles::Destroy
      1    0.3%    0.3%  v8::internal::Factory::NewStringFromUtf8
      1    0.3%    0.3%  v8::internal::Expression::AsExpression
      1    0.3%    0.3%  v8::internal::ExitFrame::GetCallerStackPointer
      1    0.3%    0.3%  v8::internal::Deserializer::ReadChunk
      1    0.3%    0.3%  v8::internal::CodeStub::GetCode
      1    0.3%    0.3%  v8::internal::CharacterStreamUTF16Buffer::Advance
      1    0.3%    0.3%  v8::internal::CallIC::UpdateCaches
      1    0.3%    0.3%  v8::internal::Assembler::movq
      1    0.3%    0.3%  v8::internal::Assembler::j
      1    0.3%    0.3%  v8::TryCatch::~TryCatch
      1    0.3%    0.3%  v8::Array::New
      1    0.3%    0.3%  unibrow::Utf8::ReadBlock
      1    0.3%    0.3%  unibrow::InputBuffer<v8::internal::String, v8::internal::String*, 1024u>::FillBuffer
      1    0.3%    0.3%  node::DLOpen
      1    0.3%    0.3%  _szone_free
      1    0.3%    0.3%  _pthread_mutexattr_init
      1    0.3%    0.3%  _mbackref
      1    0.3%    0.3%  _d_print_function_type
      1    0.3%    0.3%  _arc4random
      1    0.3%    0.3%  __pthread_create
 
 [GC]:
   ticks  total  nonlib   name
      2    0.6%
 
 [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
    118   34.0%  LazyCompile: <anonymous> /Users/blake/code/borg/test/proto_test.js:1
    118  100.0%    Function: Module._compile module:348
    118  100.0%      Function: Module._loadScriptSync module:391
    118  100.0%        Function: Module.loadSync module:287
    118  100.0%          Function: exports.runMain module:445
    118  100.0%            LazyCompile: <anonymous> node.js:1
 
     15    4.3%  v8::String::WriteUtf8
     15  100.0%    LazyCompile: <anonymous> /Users/blake/code/borg/test/proto_test.js:1
     15  100.0%      Function: Module._compile module:348
     15  100.0%        Function: Module._loadScriptSync module:391
     15  100.0%          Function: Module.loadSync module:287
     15  100.0%            Function: exports.runMain module:445
 
     13    3.7%  v8::internal::Heap::AllocateStringFromUtf8
      8   61.5%    LazyCompile: <anonymous> /Users/blake/code/borg/test/proto_test.js:1
      8  100.0%      Function: Module._compile module:348
      8  100.0%        Function: Module._loadScriptSync module:391
      8  100.0%          Function: Module.loadSync module:287
      8  100.0%            Function: exports.runMain module:445
      5   38.5%    node::Binding
      5  100.0%      LazyCompile: <anonymous> node.js:1
 
     12    3.5%  v8::internal::StackFrameIterator::StackFrameIterator
     12  100.0%    LazyCompile: <anonymous> /Users/blake/code/borg/test/proto_test.js:1
     12  100.0%      Function: Module._compile module:348
     12  100.0%        Function: Module._loadScriptSync module:391
     12  100.0%          Function: Module.loadSync module:287
     12  100.0%            Function: exports.runMain module:445
 
     10    2.9%  v8::internal::Invoke
     10  100.0%    LazyCompile: <anonymous> /Users/blake/code/borg/test/proto_test.js:1
     10  100.0%      Function: Module._compile module:348
     10  100.0%        Function: Module._loadScriptSync module:391
     10  100.0%          Function: Module.loadSync module:287
     10  100.0%            Function: exports.runMain module:445
 
     10    2.9%  _tiny_malloc_from_free_list
     10  100.0%    LazyCompile: <anonymous> /Users/blake/code/borg/test/proto_test.js:1
     10  100.0%      Function: Module._compile module:348
     10  100.0%        Function: Module._loadScriptSync module:391
     10  100.0%          Function: Module.loadSync module:287
     10  100.0%            Function: exports.runMain module:445
 
      8    2.3%  v8::internal::Builtin_FastHandleApiCall
      8  100.0%    LazyCompile: <anonymous> /Users/blake/code/borg/test/proto_test.js:1
      8  100.0%      Function: Module._compile module:348
      8  100.0%        Function: Module._loadScriptSync module:391
      8  100.0%          Function: Module.loadSync module:287
      8  100.0%            Function: exports.runMain module:445
 
      7    2.0%  v8::internal::String::ReadBlock
      6   85.7%    LazyCompile: <anonymous> /Users/blake/code/borg/test/proto_test.js:1
      6  100.0%      Function: Module._compile module:348
      6  100.0%        Function: Module._loadScriptSync module:391
      6  100.0%          Function: Module.loadSync module:287
      6  100.0%            Function: exports.runMain module:445
      1   14.3%    Function: Module._compile module:348
      1  100.0%      Function: loadNative module:39
      1  100.0%        Function: loadModule module:205
      1  100.0%          Function: require module:363
      1  100.0%            LazyCompile: <anonymous> /Users/blake/code/borg/test/proto_test.js:1
 
      7    2.0%  v8::internal::JSArray::Initialize
      7  100.0%    LazyCompile: <anonymous> /Users/blake/code/borg/test/proto_test.js:1
      7  100.0%      Function: Module._compile module:348
      7  100.0%        Function: Module._loadScriptSync module:391
      7  100.0%          Function: Module.loadSync module:287
      7  100.0%            Function: exports.runMain module:445