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

runtime/vm/compiler.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 "vm/compiler.h"
 
 #include "vm/assembler.h"
 
 #include "vm/ast_printer.h"
 #include "vm/block_scheduler.h"
@@ skipping 241 matching lines @@
 
 
 // Return false if bailed out.
 static bool CompileParsedFunctionHelper(ParsedFunction* parsed_function,
                                         bool optimized,
                                         intptr_t osr_id) {
   const Function& function = parsed_function->function();
   if (optimized && !function.IsOptimizable()) {
     return false;
   }
-  TimerScope timer(FLAG_compiler_stats, &CompilerStats::codegen_timer);
+  Isolate* isolate = Isolate::Current();
+  TimerScope timer(FLAG_compiler_stats, &CompilerStats::codegen_timer, isolate);
   bool is_compiled = false;
-  Isolate* isolate = Isolate::Current();
   HANDLESCOPE(isolate);
   isolate->set_cha_used(false);
 
   // We may reattempt compilation if the function needs to be assembled using
   // far branches on ARM and MIPS. In the else branch of the setjmp call,
   // done is set to false, and use_far_branches is set to true if there is a
   // longjmp from the ARM or MIPS assemblers. In all other paths through this
   // while loop, done is set to true. use_far_branches is always false on ia32
   // and x64.
   bool done = false;
@@ skipping 72 matching lines @@
         DEBUG_ASSERT(flow_graph->VerifyUseLists());
 
         // Optimize (a << b) & c patterns, merge operations.
         // Run early in order to have more opportunity to optimize left shifts.
         optimizer.TryOptimizePatterns();
         DEBUG_ASSERT(flow_graph->VerifyUseLists());
 
         // Inlining (mutates the flow graph)
         if (FLAG_use_inlining) {
           TimerScope timer(FLAG_compiler_stats,
-                           &CompilerStats::graphinliner_timer);
+                           &CompilerStats::graphinliner_timer,
+                           isolate);
           // Propagate types to create more inlining opportunities.
           FlowGraphTypePropagator::Propagate(flow_graph);
           DEBUG_ASSERT(flow_graph->VerifyUseLists());
 
           // Use propagated class-ids to create more inlining opportunities.
           optimizer.ApplyClassIds();
           DEBUG_ASSERT(flow_graph->VerifyUseLists());
 
           FlowGraphInliner inliner(flow_graph);
           inliner.Inline();
@@ skipping 376 matching lines @@
   StackZone zone(isolate);
   LongJumpScope jump;
   // Make sure unoptimized code is not collected while we are compiling.
   const Code& unoptimized_code = Code::ZoneHandle(function.unoptimized_code());
   // Skips parsing if we need to only install unoptimized code.
   if (!optimized && !unoptimized_code.IsNull()) {
     InstallUnoptimizedCode(function);
     return Error::null();
   }
   if (setjmp(*jump.Set()) == 0) {
-    TIMERSCOPE(time_compilation);
+    TIMERSCOPE(isolate, time_compilation);
     Timer per_compile_timer(FLAG_trace_compiler, "Compilation time");
     per_compile_timer.Start();
     ParsedFunction* parsed_function =
         new ParsedFunction(Function::ZoneHandle(function.raw()));
     if (FLAG_trace_compiler) {
       OS::Print("Compiling %s%sfunction: '%s' @ token %" Pd ", size %" Pd "\n",
                 (osr_id == Isolate::kNoDeoptId ? "" : "osr "),
                 (optimized ? "optimized " : ""),
                 function.ToFullyQualifiedCString(),
                 function.token_pos(),
@@ skipping 181 matching lines @@
     const Object& result =
       Object::Handle(isolate->object_store()->sticky_error());
     isolate->object_store()->clear_sticky_error();
     return result.raw();
   }
   UNREACHABLE();
   return Object::null();
 }
 
 }  // namespace dart