Remove bottom-up CPU profile

src/profile-generator.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 450 matching lines @@
 
 void ProfileTree::ShortPrint() {
   OS::Print("root: %u %u %.2fms %.2fms\n",
             root_->total_ticks(), root_->self_ticks(),
             root_->GetTotalMillis(), root_->GetSelfMillis());
 }
 
 
 void CpuProfile::AddPath(const Vector<CodeEntry*>& path) {
   top_down_.AddPathFromEnd(path);
-  bottom_up_.AddPathFromStart(path);
 }
 
 
 void CpuProfile::CalculateTotalTicks() {
   top_down_.CalculateTotalTicks();
-  bottom_up_.CalculateTotalTicks();
 }
 
 
 void CpuProfile::SetActualSamplingRate(double actual_sampling_rate) {
   top_down_.SetTickRatePerMs(actual_sampling_rate);
-  bottom_up_.SetTickRatePerMs(actual_sampling_rate);
 }
 
 
 CpuProfile* CpuProfile::FilteredClone(int security_token_id) {
   ASSERT(security_token_id != TokenEnumerator::kNoSecurityToken);
   CpuProfile* clone = new CpuProfile(title_, uid_);
   clone->top_down_.FilteredClone(&top_down_, security_token_id);
-  clone->bottom_up_.FilteredClone(&bottom_up_, security_token_id);
   return clone;
 }
 
 
 void CpuProfile::ShortPrint() {
   OS::Print("top down ");
   top_down_.ShortPrint();
-  OS::Print("bottom up ");
-  bottom_up_.ShortPrint();
 }
 
 
 void CpuProfile::Print() {
   OS::Print("[Top down]:\n");
   top_down_.Print();
-  OS::Print("[Bottom up]:\n");
-  bottom_up_.Print();
 }
 
 
 CodeEntry* const CodeMap::kSharedFunctionCodeEntry = NULL;
 const CodeMap::CodeTreeConfig::Key CodeMap::CodeTreeConfig::kNoKey = NULL;
 
 
 void CodeMap::AddCode(Address addr, CodeEntry* entry, unsigned size) {
   DeleteAllCoveredCode(addr, addr + size);
   CodeTree::Locator locator;
@@ skipping 420 matching lines @@
     if (no_symbolized_entries) {
       *entry++ = EntryForVMState(sample.state);
     }
   }
 
   profiles_->AddPathToCurrentProfiles(entries);
 }
 
 
 } }  // namespace v8::internal