Changeset 207491 in webkit for trunk/Source/JavaScriptCore/dfg/DFGPlan.cpp

Timestamp:

Oct 18, 2016, 2:28:58 PM (9 years ago)

Author:

[email protected]

Message:

Add JSC option to show time spent in each optimization phase
​https://bugs.webkit.org/show_bug.cgi?id=163617

Reviewed by Saam Barati.

Added reportDFGPhaseTimes option. This outputs one line per phase similar to

Phase CPS rethreading took 0.2661 ms

One line is output for each phase run.

• dfg/DFGPhase.h:

(JSC::DFG::runAndLog):

• dfg/DFGPlan.cpp:

(JSC::DFG::Plan::compileInThread):

• runtime/Options.cpp:

(JSC::recomputeDependentOptions):

• runtime/Options.h:

File:

• trunk/Source/JavaScriptCore/dfg/DFGPlan.cpp (modified) (1 diff)

trunk/Source/JavaScriptCore/dfg/DFGPlan.cpp

@@ -184 +184 @@
     CompilationScope compilationScope;
 
-    if (logCompilationChanges(mode))
+    if (logCompilationChanges(mode) || Options::reportDFGPhaseTimes())
         dataLog("DFG(Plan) compiling ", *codeBlock, " with ", mode, ", number of instructions = ", codeBlock->instructionCount(), "\n");