build: remove broken intel vtune support

Support for VTune profiling was added in commit a881b53 from November
2015 but has since bitrotted. Remove it.

Fixes: nodejs#28310
Refs: nodejs#3785

Author: bnoordhuis

configure.py

@@ -131,13 +131,6 @@
     help="Generate an executable with libgcc and libstdc++ libraries. This "
          "will not work on OSX when using the default compilation environment")
 
-parser.add_option("--enable-vtune-profiling",
-    action="store_true",
-    dest="enable_vtune_profiling",
-    help="Enable profiling support for Intel VTune profiler to profile "
-         "JavaScript code executed in nodejs. This feature is only available "
-         "for x32, x86, and x64 architectures.")
-
 parser.add_option("--enable-pgo-generate",
     action="store_true",
     dest="enable_pgo_generate",
@@ -997,15 +990,6 @@ def configure_node(o):
   if flavor == 'aix':
     o['variables']['node_target_type'] = 'static_library'
 
-  if target_arch in ('x86', 'x64', 'ia32', 'x32'):
-    o['variables']['node_enable_v8_vtunejit'] = b(options.enable_vtune_profiling)
-  elif options.enable_vtune_profiling:
-    raise Exception(
-       'The VTune profiler for JavaScript is only supported on x32, x86, and x64 '
-       'architectures.')
-  else:
-    o['variables']['node_enable_v8_vtunejit'] = 'false'
-
   if flavor != 'linux' and (options.enable_pgo_generate or options.enable_pgo_use):
     raise Exception(
       'The pgo option is supported only on linux.')

node.gyp

@@ -21,7 +21,6 @@
     'node_use_openssl%': 'true',
     'node_shared_openssl%': 'false',
     'node_v8_options%': '',
-    'node_enable_v8_vtunejit%': 'false',
     'node_core_target_name%': 'node',
     'node_lib_target_name%': 'libnode',
     'node_intermediate_lib_type%': 'static_library',

node.gypi

@@ -105,14 +105,6 @@
           'defines': [ 'NODE_HAVE_SMALL_ICU=1' ],
       }]],
     }],
-    [ 'node_use_bundled_v8=="true" and \
-       node_enable_v8_vtunejit=="true" and (target_arch=="x64" or \
-       target_arch=="ia32" or target_arch=="x32")', {
-      'defines': [ 'NODE_ENABLE_VTUNE_PROFILING' ],
-      'dependencies': [
-        'tools/v8_gypfiles/v8vtune.gyp:v8_vtune'
-      ],
-    }],
     [ 'node_no_browser_globals=="true"', {
       'defines': [ 'NODE_NO_BROWSER_GLOBALS' ],
     } ],

src/api/environment.cc

@@ -7,10 +7,6 @@
 #include "node_v8_platform-inl.h"
 #include "uv.h"
 
-#ifdef NODE_ENABLE_VTUNE_PROFILING
-#include "../deps/v8/src/third_party/vtune/v8-vtune.h"
-#endif
-
 namespace node {
 using errors::TryCatchScope;
 using v8::Array;
@@ -186,10 +182,6 @@ void SetIsolateCreateParamsForNode(Isolate::CreateParams* params) {
     // heap based on the actual physical memory.
     params->constraints.ConfigureDefaults(total_memory, 0);
   }
-
-#ifdef NODE_ENABLE_VTUNE_PROFILING
-  params->code_event_handler = vTune::GetVtuneCodeEventHandler();
-#endif
 }
 
 void SetIsolateUpForNode(v8::Isolate* isolate, IsolateSettingCategories cat) {

src/node.cc

@@ -64,10 +64,6 @@
 #include "inspector/worker_inspector.h"  // ParentInspectorHandle
 #endif
 
-#ifdef NODE_ENABLE_VTUNE_PROFILING
-#include "../deps/v8/src/third_party/vtune/v8-vtune.h"
-#endif
-
 #ifdef NODE_ENABLE_LARGE_CODE_PAGES
 #include "large_pages/node_large_page.h"
 #endif

tools/v8_gypfiles/broken/v8vtune.gyp

@@ -5,8 +5,6 @@
 {
   'variables': {
     'v8_code': 1,
-    # Enable support for Intel VTune. Supported on ia32/x64 only
-    'v8_enable_vtunejit%': 0,
     'v8_enable_i18n_support%': 1,
   },
   'includes': ['toolchain.gypi', 'features.gypi'],
@@ -62,11 +60,6 @@
             }],
           ],
         }],
-        ['v8_enable_vtunejit==1', {
-          'dependencies': [
-            'v8vtune.gyp:v8_vtune',
-          ],
-        }],
         ['v8_enable_i18n_support==1', {
           'dependencies': [
             '<(icu_gyp_path):icui18n',

tools/v8_gypfiles/d8.gyp

@@ -102,9 +102,6 @@
     # Sets -dENABLE_GDB_JIT_INTERFACE.
     'v8_enable_gdbjit%': 0,
 
-    # Sets -dENABLE_VTUNE_JIT_INTERFACE.
-    'v8_enable_vtunejit%': 0,
-
     # Currently set for node by common.gypi, avoiding default because of gyp file bug.
     # Should be turned on only for debugging.
     #'v8_enable_handle_zapping%': 0,
@@ -225,9 +222,6 @@
       ['v8_enable_gdbjit==1', {
         'defines': ['ENABLE_GDB_JIT_INTERFACE',],
       }],
-      ['v8_enable_vtunejit==1', {
-        'defines': ['ENABLE_VTUNE_JIT_INTERFACE',],
-      }],
       ['v8_enable_minor_mc==1', {
         'defines': ['ENABLE_MINOR_MC',],
       }],