[Lldb-commits] [PATCH] D121226: [lldb] Removed scoped timer from ReadMemoryFromFileCache

Dave Lee via Phabricator via lldb-commits lldb-commits at lists.llvm.org
Tue Mar 8 09:12:43 PST 2022


kastiglione created this revision.
kastiglione added reviewers: aprantl, JDevlieghere, augusto2112.
Herald added a project: All.
kastiglione requested review of this revision.
Herald added a project: LLDB.
Herald added a subscriber: lldb-commits.

`ReadMemoryFromFileCache` can be called at a high rate, and has fast execution.
Signposts for high rate & brief duration can have a negative impact on tracing;
emitting a high volume signposts can lead to blocking, affecting performance,
and total volume makes human review of the trace harder because of the noise.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D121226

Files:
  lldb/source/Target/Target.cpp


Index: lldb/source/Target/Target.cpp
===================================================================
--- lldb/source/Target/Target.cpp
+++ lldb/source/Target/Target.cpp
@@ -1684,7 +1684,6 @@
 
 size_t Target::ReadMemoryFromFileCache(const Address &addr, void *dst,
                                        size_t dst_len, Status &error) {
-  LLDB_SCOPED_TIMER();
   SectionSP section_sp(addr.GetSection());
   if (section_sp) {
     // If the contents of this section are encrypted, the on-disk file is


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