[PATCH] D21987: WIP: XRay Function Call Accounting Tool

[Dean Michael Berris via llvm-commits]

dberris created this revision.
dberris added reviewers: echristo, chandlerc, sanjoy.
dberris added a subscriber: llvm-commits.
dberris added dependencies: D21982: WIP: Implement a per-thread inmemory log, D21983: Add C++ dependencies to xray runtime.
Herald added a subscriber: mehdi_amini.

This is the initial attempt at implementing a simple function call
accounting tool that takes an XRay trace and recreates the function call
stack, then generates some statistics based on the data in the trace.

Depends on D21982 for the in-memory logging in compiler-rt.
Depends on D21983 for the changes to flags in clang.

http://reviews.llvm.org/D21987

Files:
  tools/CMakeLists.txt
  tools/xray/CMakeLists.txt
  tools/xray/xray-fc-account.cc

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