[all-commits] [llvm/llvm-project] 753647: [MemProf] Add matching statistics and tracing (#94...

[Teresa Johnson via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 7536474ea723f84db791ce5b6c3fc0cefbc2cceb
      https://github.com/llvm/llvm-project/commit/7536474ea723f84db791ce5b6c3fc0cefbc2cceb
  Author: Teresa Johnson <tejohnson at google.com>
  Date:   2024-06-07 (Fri, 07 Jun 2024)

  Changed paths:
    M llvm/lib/Transforms/Instrumentation/MemProfiler.cpp
    M llvm/test/Transforms/PGOProfile/memprof.ll

  Log Message:
  -----------
  [MemProf] Add matching statistics and tracing (#94814)

To help debug or surface matching issues, add more statistics to the
matching. Also add optional emission of each context seen in the
function profiles along with its allocation type, size in bytes, and
whether it was matched. This information is emitted along with a hash of
the full stack context, to allow deduplication across modules for
allocations within header files.



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