[PATCH] D77422: [llvm-exegesis] Add benchmark mode that uses LBR for more precise measurements.

[Vy Nguyen via Phabricator via llvm-commits]

oontvoo updated this revision to Diff 280021.
oontvoo added a comment.

Check for existence of `cycles` before enabling LBR mode.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D77422/new/

https://reviews.llvm.org/D77422

Files:
  llvm/docs/CommandGuide/llvm-exegesis.rst
  llvm/test/tools/llvm-exegesis/X86/lbr/Inputs/mov_add.att
  llvm/test/tools/llvm-exegesis/X86/lbr/lit.local.cfg
  llvm/test/tools/llvm-exegesis/X86/lbr/mov-add.s
  llvm/tools/llvm-exegesis/lib/BenchmarkRunner.cpp
  llvm/tools/llvm-exegesis/lib/PerfHelper.cpp
  llvm/tools/llvm-exegesis/lib/PerfHelper.h
  llvm/tools/llvm-exegesis/lib/X86/CMakeLists.txt
  llvm/tools/llvm-exegesis/lib/X86/Target.cpp
  llvm/tools/llvm-exegesis/lib/X86/X86Counter.cpp
  llvm/tools/llvm-exegesis/lib/X86/X86Counter.h
  llvm/tools/llvm-exegesis/llvm-exegesis.cpp

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