tree 7f65ac4d7c705a8d98d3cb0c0c11438c98a40963
parent dbc03b12c6c2a59e54c07affbc3cc16a497a282b
author Austin Clements <austin@google.com> 1425507753 -0500
committer Austin Clements <austin@google.com> 1426108934 +0000

driver: add -trace to record execution trace

This adds a -trace flag to specify a file name for recording an
execution trace of the benchmark.  This flag parallels go test -trace.

Change-Id: Ie01ca39699dea246f549212f2be78f18aa0835c9
Reviewed-on: https://go-review.googlesource.com/6830
Reviewed-by: Dmitry Vyukov <dvyukov@google.com>