Add more timing information in the VM to track time spent is dart code Vs native code.

runtime/vm/snapshot_test.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "include/dart_debugger_api.h"
 #include "platform/assert.h"
 #include "vm/bigint_operations.h"
 #include "vm/class_finalizer.h"
 #include "vm/dart_api_impl.h"
 #include "vm/dart_api_message.h"
@@ skipping 1580 matching lines @@
   EXPECT_VALID(surrogates_string_result);
   EXPECT(Dart_IsString(surrogates_string_result));
 
   Dart_Handle crappy_string_result;
   crappy_string_result =
       Dart_Invoke(lib, NewString("getCrappyString"), 0, NULL);
   EXPECT_VALID(crappy_string_result);
   EXPECT(Dart_IsString(crappy_string_result));
 
   {
-    DARTSCOPE(isolate);
+    HANDLESCOPE(isolate);
 
     {
       StackZone zone(Isolate::Current());
       uint8_t* buffer;
       MessageWriter writer(&buffer, &zone_allocator);
       Smi& smi = Smi::Handle();
       smi ^= Api::UnwrapHandle(smi_result);
       writer.WriteMessage(smi);
       intptr_t buffer_len = writer.BytesWritten();
 
@@ skipping 70 matching lines @@
 
   TestCase::CreateTestIsolate();
   Isolate* isolate = Isolate::Current();
   EXPECT(isolate != NULL);
   Dart_EnterScope();
 
   Dart_Handle lib = TestCase::LoadTestScript(kScriptChars, NULL);
   EXPECT_VALID(lib);
 
   {
-    DARTSCOPE(isolate);
+    HANDLESCOPE(isolate);
     {
       // Generate a list of nulls from Dart code.
       ApiNativeScope scope;
       Dart_CObject* root = GetDeserializedDartMessage(lib, "getList");
       EXPECT_NOTNULL(root);
       EXPECT_EQ(Dart_CObject_kArray, root->type);
       EXPECT_EQ(kArrayLength, root->value.as_array.length);
       for (int i = 0; i < kArrayLength; i++) {
         EXPECT_EQ(Dart_CObject_kNull, root->value.as_array.values[i]->type);
       }
@@ skipping 97 matching lines @@
 
   TestCase::CreateTestIsolate();
   Isolate* isolate = Isolate::Current();
   EXPECT(isolate != NULL);
   Dart_EnterScope();
 
   Dart_Handle lib = TestCase::LoadTestScript(kScriptChars, NULL);
   EXPECT_VALID(lib);
 
   {
-    DARTSCOPE(isolate);
+    HANDLESCOPE(isolate);
     {
       // Generate a list of nulls from Dart code.
       ApiNativeScope scope;
       Dart_CObject* root = GetDeserializedDartMessage(lib, "getList");
       EXPECT_NOTNULL(root);
       EXPECT_EQ(Dart_CObject_kArray, root->type);
       EXPECT_EQ(kArrayLength, root->value.as_array.length);
       for (int i = 0; i < kArrayLength; i++) {
         EXPECT_EQ(Dart_CObject_kNull, root->value.as_array.values[i]->type);
       }
@@ skipping 211 matching lines @@
 
   TestCase::CreateTestIsolate();
   Isolate* isolate = Isolate::Current();
   EXPECT(isolate != NULL);
   Dart_EnterScope();
 
   Dart_Handle lib = TestCase::LoadTestScript(kScriptChars, NULL);
   EXPECT_VALID(lib);
 
   {
-    DARTSCOPE(isolate);
+    HANDLESCOPE(isolate);
 
     {
       // Generate a list of strings from Dart code.
       ApiNativeScope scope;
       Dart_CObject* root = GetDeserializedDartMessage(lib, "getStringList");
       EXPECT_NOTNULL(root);
       EXPECT_EQ(Dart_CObject_kArray, root->type);
       EXPECT_EQ(kArrayLength, root->value.as_array.length);
       for (int i = 0; i < kArrayLength; i++) {
         Dart_CObject* element = root->value.as_array.values[i];
@@ skipping 184 matching lines @@
 
   TestCase::CreateTestIsolate();
   Isolate* isolate = Isolate::Current();
   EXPECT(isolate != NULL);
   Dart_EnterScope();
 
   Dart_Handle lib = TestCase::LoadTestScript(kScriptChars, NULL);
   EXPECT_VALID(lib);
 
   {
-    DARTSCOPE(isolate);
+    HANDLESCOPE(isolate);
     {
       // Generate a list of strings from Dart code.
       ApiNativeScope scope;
       Dart_CObject* root = GetDeserializedDartMessage(lib, "getStringList");
       EXPECT_NOTNULL(root);
       EXPECT_EQ(Dart_CObject_kArray, root->type);
       EXPECT_EQ(kArrayLength, root->value.as_array.length);
       for (int i = 0; i < kArrayLength; i++) {
         Dart_CObject* element = root->value.as_array.values[i];
         EXPECT_EQ(root->value.as_array.values[0], element);
@@ skipping 198 matching lines @@
 
   TestCase::CreateTestIsolate();
   Isolate* isolate = Isolate::Current();
   EXPECT(isolate != NULL);
   Dart_EnterScope();
 
   Dart_Handle lib = TestCase::LoadTestScript(kScriptChars, NULL);
   EXPECT_VALID(lib);
 
   {
-    DARTSCOPE(isolate);
+    HANDLESCOPE(isolate);
     {
       // Generate a list of Uint8Lists from Dart code.
       ApiNativeScope scope;
       Dart_CObject* root = GetDeserializedDartMessage(lib, "getTypedDataList");
       EXPECT_NOTNULL(root);
       EXPECT_EQ(Dart_CObject_kArray, root->type);
       struct {
         Dart_TypedData_Type type;
         int size;
       } expected[] = {
@@ skipping 210 matching lines @@
   result = Dart_RunLoop();
   EXPECT(Dart_IsError(result));
   EXPECT(Dart_ErrorHasException(result));
   EXPECT_SUBSTRING("Exception: nulltruefalse123456æøå3.14[]100123456789\n",
                    Dart_GetError(result));
 
   Dart_ExitScope();
 }
 
 }  // namespace dart