Enables V8 integration with the Intel VTune performance analysis tool. This allows the VTune profi…

src/full-codegen.cc

Index: src/full-codegen.cc
===================================================================
--- src/full-codegen.cc	(revision 12182)
+++ src/full-codegen.cc	(working copy)
@@ -37,6 +37,7 @@
 #include "scopes.h"
 #include "scopeinfo.h"
 #include "stub-cache.h"
+#include "third_party/vtune/vtune-jit.h"
 
 namespace v8 {
 namespace internal {
@@ -303,6 +304,10 @@
   masm.positions_recorder()->StartGDBJITLineInfoRecording();
 #endif
 
+#ifdef ENABLE_VTUNE_JIT_INTERFACE
+  masm.positions_recorder()->StartVtuneJITLineInfoRecording();
+#endif
+
   FullCodeGenerator cgen(&masm, info);
   cgen.Generate();
   if (cgen.HasStackOverflow()) {
@@ -339,6 +344,24 @@
     GDBJIT(RegisterDetailedLineInfo(*code, lineinfo));
   }
 #endif
+#ifdef ENABLE_VTUNE_JIT_INTERFACE
+if (VTUNERUNNING) {
+  if (!code.is_null()) {
+    VtuneJITLineInfo* vtunelineinfo =
+        masm.positions_recorder()->DetachVtuneJITLineInfo();
+
+    VTUNEJIT(RegisterDetailedLineInfo(*code, vtunelineinfo));
+  }
+  if (!info->shared_info().is_null()) {
+    Handle<SharedFunctionInfo> shared = info->shared_info();
+    if (shared->DebugName()->IsString())
+      VTUNEJIT(AddCode(Handle<String>(shared->DebugName()), code, script));
+    else
+      VTUNEJIT(AddCode(Handle<String>(), code, script));
+  }
+}
+#endif
+
   return !code.is_null();
 }