Intel VTune integration for V8/D8

build/common.gypi

Index: build/common.gypi
===================================================================
--- build/common.gypi	(revision 13696)
+++ build/common.gypi	(working copy)
@@ -86,6 +86,9 @@
 
     'v8_object_print%': 0,
 
+    # Enable support for Intel VTune. Supported on ia32/x64 only
+    'v8_enable_vtunejit%': 0,
+
     # Enable profiling support. Only required on Windows.
     'v8_enable_prof%': 0,
 
@@ -137,6 +140,13 @@
       ['v8_interpreted_regexp==1', {
         'defines': ['V8_INTERPRETED_REGEXP',],
       }],
+      ['v8_enable_vtunejit==1 and OS=="win"', {
+        'defines': ['ENABLE_VTUNE_JIT_INTERFACE',],
+      }],
+      ['v8_enable_vtunejit==1 and OS!="win"', {
+        'defines': ['ENABLE_VTUNE_JIT_INTERFACE',],
+        'libraries': ['-ldl',],
+      }],
       ['v8_target_arch=="arm"', {
         'defines': [
           'V8_TARGET_ARCH_ARM',