Changeset 200658 in webkit for trunk/Source/JavaScriptCore/jit/JITDisassembler.cpp

Timestamp:

May 10, 2016, 5:08:50 PM (9 years ago)

Author:

[email protected]

Message:

Internal JSC profiler should have a timestamped log of events for each code block
​https://bugs.webkit.org/show_bug.cgi?id=157538

Reviewed by Benjamin Poulain.
Source/JavaScriptCore:

For example, in 3d-cube, I can query the events for MMulti and I get:

1462917476.17083 MMulti#DTZ7qc installCode
1462917476.179663 MMulti#DTZ7qc MMulti#DTZ7qc-1-Baseline installCode
1462917476.179664 MMulti#DTZ7qc MMulti#DTZ7qc-1-Baseline osrEntry at bc#49
1462917476.185651 MMulti#DTZ7qc MMulti#DTZ7qc-1-Baseline delayOptimizeToDFG counter = 1011.214233/1717.000000, -707
1462917476.187913 MMulti#DTZ7qc MMulti#DTZ7qc-2-DFG installCode
1462917476.187917 MMulti#DTZ7qc MMulti#DTZ7qc-2-DFG osrEntry at bc#49
1462917476.205365 MMulti#DTZ7qc MMulti#DTZ7qc-2-DFG jettison due to OSRExit, counting = true, detail = (null)
1462917476.205368 MMulti#DTZ7qc MMulti#DTZ7qc-1-Baseline frequentExit bc#65: BadCache/FromDFG
1462917476.205369 MMulti#DTZ7qc MMulti#DTZ7qc-1-Baseline installCode
1462917476.205482 MMulti#DTZ7qc MMulti#DTZ7qc-1-Baseline delayOptimizeToDFG counter = 1013.000000/3434.000000, -1000
1462917476.211547 MMulti#DTZ7qc MMulti#DTZ7qc-1-Baseline delayOptimizeToDFG counter = 2013.000000/3434.000000, -1000
1462917476.213721 MMulti#DTZ7qc MMulti#DTZ7qc-3-DFG installCode
1462917476.213726 MMulti#DTZ7qc MMulti#DTZ7qc-3-DFG osrEntry at bc#49
1462917476.223976 MMulti#DTZ7qc MMulti#DTZ7qc-3-DFG jettison due to OSRExit, counting = true, detail = (null)
1462917476.223981 MMulti#DTZ7qc MMulti#DTZ7qc-1-Baseline frequentExit bc#77: BadCache/FromDFG
1462917476.223982 MMulti#DTZ7qc MMulti#DTZ7qc-1-Baseline frequentExit bc#94: BadCache/FromDFG
1462917476.223982 MMulti#DTZ7qc MMulti#DTZ7qc-1-Baseline installCode
1462917476.224064 MMulti#DTZ7qc MMulti#DTZ7qc-1-Baseline delayOptimizeToDFG counter = 1013.000000/6868.000000, -1000
1462917476.224151 MMulti#DTZ7qc MMulti#DTZ7qc-1-Baseline delayOptimizeToDFG counter = 2013.000000/6868.000000, -1000
1462917476.224258 MMulti#DTZ7qc MMulti#DTZ7qc-1-Baseline delayOptimizeToDFG counter = 3013.000000/6868.000000, -1000
1462917476.224337 MMulti#DTZ7qc MMulti#DTZ7qc-1-Baseline delayOptimizeToDFG counter = 4023.000000/6868.000000, -1000
1462917476.224425 MMulti#DTZ7qc MMulti#DTZ7qc-1-Baseline delayOptimizeToDFG counter = 5023.000000/6868.000000, -1000
1462917476.224785 MMulti#DTZ7qc MMulti#DTZ7qc-1-Baseline delayOptimizeToDFG counter = 6023.396484/6868.000000, -862
1462917476.227669 MMulti#DTZ7qc MMulti#DTZ7qc-4-DFG installCode
1462917476.227675 MMulti#DTZ7qc MMulti#DTZ7qc-4-DFG osrEntry at bc#0

The output is ugly but useful. We can make it less ugly later.

• CMakeLists.txt:
• JavaScriptCore.xcodeproj/project.pbxproj:
• bytecode/CodeBlock.cpp:

(JSC::CodeBlock::jettison):

• bytecode/CodeBlock.h:

(JSC::ScriptExecutable::forEachCodeBlock):

• bytecode/DFGExitProfile.cpp:

(JSC::DFG::ExitProfile::add):

• dfg/DFGJITFinalizer.cpp:

(JSC::DFG::JITFinalizer::finalizeCommon):

• dfg/DFGOperations.cpp:
• ftl/FTLJITFinalizer.cpp:

(JSC::FTL::JITFinalizer::finalizeFunction):

• jit/JIT.cpp:

(JSC::JIT::privateCompile):

• jit/JITOperations.cpp:
• llint/LLIntSlowPaths.cpp:

(JSC::LLInt::jitCompileAndSetHeuristics):
(JSC::LLInt::entryOSR):
(JSC::LLInt::LLINT_SLOW_PATH_DECL):

• profiler/ProfilerCompilation.cpp:

(JSC::Profiler::Compilation::Compilation):
(JSC::Profiler::Compilation::setJettisonReason):
(JSC::Profiler::Compilation::dump):
(JSC::Profiler::Compilation::toJS):

• profiler/ProfilerCompilation.h:

(JSC::Profiler::Compilation::uid):

• profiler/ProfilerDatabase.cpp:

(JSC::Profiler::Database::ensureBytecodesFor):
(JSC::Profiler::Database::notifyDestruction):
(JSC::Profiler::Database::addCompilation):
(JSC::Profiler::Database::toJS):
(JSC::Profiler::Database::registerToSaveAtExit):
(JSC::Profiler::Database::logEvent):
(JSC::Profiler::Database::addDatabaseToAtExit):

• profiler/ProfilerDatabase.h:
• profiler/ProfilerEvent.cpp: Added.

(JSC::Profiler::Event::dump):
(JSC::Profiler::Event::toJS):

• profiler/ProfilerEvent.h: Added.

(JSC::Profiler::Event::Event):
(JSC::Profiler::Event::operator bool):
(JSC::Profiler::Event::time):
(JSC::Profiler::Event::bytecodes):
(JSC::Profiler::Event::compilation):
(JSC::Profiler::Event::summary):
(JSC::Profiler::Event::detail):

• profiler/ProfilerUID.cpp: Added.

(JSC::Profiler::UID::create):
(JSC::Profiler::UID::dump):
(JSC::Profiler::UID::toJS):

• profiler/ProfilerUID.h: Added.

(JSC::Profiler::UID::UID):
(JSC::Profiler::UID::fromInt):
(JSC::Profiler::UID::toInt):
(JSC::Profiler::UID::operator==):
(JSC::Profiler::UID::operator!=):
(JSC::Profiler::UID::operator bool):
(JSC::Profiler::UID::isHashTableDeletedValue):
(JSC::Profiler::UID::hash):
(JSC::Profiler::UIDHash::hash):
(JSC::Profiler::UIDHash::equal):

• runtime/CommonIdentifiers.h:
• runtime/Executable.cpp:

(JSC::ScriptExecutable::installCode):

• runtime/VM.h:

(JSC::VM::bytecodeIntrinsicRegistry):
(JSC::VM::shadowChicken):

• runtime/VMInlines.h:

(JSC::VM::shouldTriggerTermination):
(JSC::VM::logEvent):

Source/WTF:

• wtf/PrintStream.h:

(WTF::PrintStream::print):

Tools:

• Scripts/display-profiler-output:

File:

• trunk/Source/JavaScriptCore/jit/JITDisassembler.cpp (modified) (2 diffs)

trunk/Source/JavaScriptCore/jit/JITDisassembler.cpp

@@ -1 +1 @@
 /*
- * Copyright (C) 2012, 2013 Apple Inc. All rights reserved.
+ * Copyright (C) 2012-2013, 2016 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -34 +34 @@
 #include "JSCInlines.h"
 #include "LinkBuffer.h"
+#include "ProfilerCompilation.h"
 #include <wtf/StringPrintStream.h>