#RUN: llvm-xray stack %s | FileCheck %s
---
header:
  version: 1
  type: 0
  constant-tsc: true
  nonstop-tsc: true
  cycle-frequency: 2601000000
records:
  - { type: 0, func-id: 1, cpu: 1, thread: 111, kind: function-enter, tsc: 10001 }
  - { type: 0, func-id: 1, cpu: 1, thread: 111, kind: function-exit, tsc: 10100 }
...
#CHECK: Unique Stacks: 1