• fpizlo@apple.com's avatar
    Profiler should say things about OSR exits · d2deec81
    fpizlo@apple.com authored
    https://bugs.webkit.org/show_bug.cgi?id=104497
    
    Reviewed by Oliver Hunt.
    
    Source/JavaScriptCore: 
    
    This adds support for profiling OSR exits. For each exit that is taken, the profiler
    records the machine code address that the exit occurred on, the exit kind, the origin
    stack, and the number of times that it happened.
    
    * CMakeLists.txt:
    * GNUmakefile.list.am:
    * JavaScriptCore.vcproj/JavaScriptCore/JavaScriptCore.vcproj:
    * JavaScriptCore.xcodeproj/project.pbxproj:
    * Target.pri:
    * assembler/AbstractMacroAssembler.h:
    (Jump):
    (JSC::AbstractMacroAssembler::Jump::label):
    * bytecode/CodeBlock.h:
    (JSC::CodeBlock::saveCompilation):
    (CodeBlock):
    (JSC::CodeBlock::compilation):
    (DFGData):
    * bytecode/DFGExitProfile.h:
    (DFG):
    * bytecode/ExitKind.cpp: Added.
    (JSC):
    (JSC::exitKindToString):
    (JSC::exitKindIsCountable):
    (WTF):
    (WTF::printInternal):
    * bytecode/ExitKind.h: Added.
    (JSC):
    (WTF):
    * dfg/DFGGraph.h:
    (Graph):
    * dfg/DFGJITCompiler.cpp:
    (JSC::DFG::JITCompiler::linkOSRExits):
    (JSC::DFG::JITCompiler::link):
    (JSC::DFG::JITCompiler::compile):
    (JSC::DFG::JITCompiler::compileFunction):
    * dfg/DFGJITCompiler.h:
    (JITCompiler):
    * dfg/DFGOSRExitCompiler.cpp:
    * jit/JIT.cpp:
    (JSC::JIT::JIT):
    (JSC::JIT::privateCompile):
    * jit/JIT.h:
    (JIT):
    * jit/JumpReplacementWatchpoint.h:
    (JSC::JumpReplacementWatchpoint::sourceLabel):
    (JumpReplacementWatchpoint):
    * profiler/ProfilerCompilation.cpp:
    (JSC::Profiler::Compilation::addOSRExitSite):
    (Profiler):
    (JSC::Profiler::Compilation::addOSRExit):
    (JSC::Profiler::Compilation::toJS):
    * profiler/ProfilerCompilation.h:
    (Compilation):
    * profiler/ProfilerDatabase.cpp:
    (JSC::Profiler::Database::newCompilation):
    * profiler/ProfilerDatabase.h:
    (Database):
    * profiler/ProfilerOSRExit.cpp: Added.
    (Profiler):
    (JSC::Profiler::OSRExit::OSRExit):
    (JSC::Profiler::OSRExit::~OSRExit):
    (JSC::Profiler::OSRExit::toJS):
    * profiler/ProfilerOSRExit.h: Added.
    (Profiler):
    (OSRExit):
    (JSC::Profiler::OSRExit::id):
    (JSC::Profiler::OSRExit::origin):
    (JSC::Profiler::OSRExit::exitKind):
    (JSC::Profiler::OSRExit::isWatchpoint):
    (JSC::Profiler::OSRExit::counterAddress):
    (JSC::Profiler::OSRExit::count):
    * profiler/ProfilerOSRExitSite.cpp: Added.
    (Profiler):
    (JSC::Profiler::OSRExitSite::toJS):
    * profiler/ProfilerOSRExitSite.h: Added.
    (Profiler):
    (OSRExitSite):
    (JSC::Profiler::OSRExitSite::OSRExitSite):
    (JSC::Profiler::OSRExitSite::codeAddress):
    * runtime/CommonIdentifiers.h:
    
    Tools: 
    
    Adds support for displaying OSR exit information for full summary (just displays the
    counts and the number of recompilations), bytecode display (says which bytecodes
    exited), and DFG display (annotates disassembly with taken OSR exits and their
    counts).
    
    * Scripts/display-profiler-output:
    
    
    
    git-svn-id: http://svn.webkit.org/repository/webkit/trunk@137175 268f45cc-cd09-0410-ab3c-d52691b4dbfc
    d2deec81
CommonIdentifiers.h 4.49 KB