Log DeltaPerformer operation histogram after update
Record and log InstallOperation run durations in DeltaPerformer. Since
these operations block the single-threaded process they may be
responsible for dbus service timeouts.
BUG=chromium:578270
TEST=deploy to device, restart update-engine, perform update (e.g.
`cros flash ssh://...`), check logs for histogram.
Change-Id: Idb782c86a627b1738a29901edd5d3b45790f4bb9
Reviewed-on: https://chromium-review.googlesource.com/570997
Commit-Ready: Lann Martin <lannm@chromium.org>
Tested-by: Lann Martin <lannm@chromium.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Grant Grundler <grundler@chromium.org>
2 files changed