contrib: Interactive cmd-line tool for analyzing apitrace profiles

Apitrace is able to generate profile data with CPU and GPU timing info
from trace data. This go-based tool provides support for reading,
parsing and dissecting this profile data. It provides several Interactive
commands for generating different data views. It also provides commands\
for comparing two related profiles. See README for more info.

BUG=None
TEST=None

Change-Id: I8d05862886bdd0bcf91ccae40e6dcbc9b97f0a54
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/dev-util/+/1992190
Reviewed-by: David Riley <davidriley@chromium.org>
Commit-Queue: Georges Winkenbach <gwink@chromium.org>
Tested-by: Georges Winkenbach <gwink@chromium.org>
11 files changed