Fix profiler exclusive code tree node counts

runtime/vm/profiler_service.cc

 // Copyright (c) 2015, 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/profiler_service.h"
 
 #include "vm/growable_array.h"
 #include "vm/native_symbol.h"
 #include "vm/object.h"
 #include "vm/os.h"
@@ skipping 1162 matching lines @@
       // VM & User tags.
       current = AppendTags(sample->vm_tag(), sample->user_tag(), current);
 
       // Walk the sampled PCs.
       for (intptr_t j = 0; j < sample->length(); j++) {
         ASSERT(sample->At(j) != 0);
         intptr_t index =
             GetProfileCodeIndex(sample->At(j), sample->timestamp());
         ASSERT(index >= 0);
         current = current->GetChild(index);
-
-        if (j == 0) {
-          // Executing PC.
-          if (!sample->first_frame_executing() || vm_tags_emitted()) {
-            // Only tick if this isn't an exit frame or VM tags are emitted.
-            current->Tick();
-          }
-        } else {
-          // Caller PCs.
-          current->Tick();
-        }
-
         current->Tick();
       }
 
       // Truncated tag.
       if (sample->truncated()) {
         current = AppendTruncatedTag(current);
       }
     }
   }
 
@@ skipping 896 matching lines @@
   ASSERT(sample_buffer != NULL);
 
   ClearProfileVisitor clear_profile(isolate);
   sample_buffer->VisitSamples(&clear_profile);
 
   // Enable profile interrupts.
   Profiler::BeginExecution(isolate);
 }
 
 }  // namespace dart