tree 4acea3dfeb0379e56f550ed520da2f3371ab5e1c
parent 7cda1faed9042e62f2a18cef71efa0ac1ee3d840
author Nathan Rogers <nathanrogers@google.com> 1555974164 +0000
committer CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org> 1555974164 +0000

[benchmarking] Invert input/trace foreground/background-ness

Run input as a background job and trace record as a foreground job.
This allows us to block on trace record, which ensures that the trace
file is written by the time we start trying to process it.
Unfortunately there's still a race between input and trace record
startup, however I strongly prefer that race over what we had before.

Test: CQ

Change-Id: Id016219e305ae662ec8ed45681ca057131da8187