build_packages: add option to automatically switch cpu governors
The powersave governor can take quite a while to get up to speed
when building things, so add a tip for users to automatically set
it to performance during the life of the build.
BUG=chromium:1008932
TEST=`./build_packages --noautosetgov` issues powersave warning
TEST=`./build_packages --autosetgov` switches to performance & then back to powersave
Change-Id: Ia56c1cccff68debef9928ade9800ee64e0f7ae0e
Reviewed-on: https://chromium-review.googlesource.com/1841944
Tested-by: Mike Frysinger <vapier@chromium.org>
Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com>
Legacy-Commit-Queue: Commit Bot <commit-bot@chromium.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
1 file changed
