[Lldb-commits] [PATCH] D134922: [lldb] Remove scoped timer from high firing and fast running SymbolFileDWARF::FindFunctions

Dave Lee via Phabricator via lldb-commits lldb-commits at lists.llvm.org
Thu Sep 29 16:34:38 PDT 2022


kastiglione created this revision.
kastiglione added a reviewer: JDevlieghere.
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Profiles show that `SymbolFileDWARF::FindFunctions` is both high firing (many thousands of calls) and fast running (35 µs mean).

Timers like this are noise and load for profiling systems, and can be removed.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D134922

Files:
  lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp


Index: lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp
===================================================================
--- lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp
+++ lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp
@@ -2336,8 +2336,6 @@
   std::lock_guard<std::recursive_mutex> guard(GetModuleMutex());
   ConstString name = lookup_info.GetLookupName();
   FunctionNameType name_type_mask = lookup_info.GetNameTypeMask();
-  LLDB_SCOPED_TIMERF("SymbolFileDWARF::FindFunctions (name = '%s')",
-                     name.AsCString());
 
   // eFunctionNameTypeAuto should be pre-resolved by a call to
   // Module::LookupInfo::LookupInfo()


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