commit | 96197df73f6c804d96eb3a1390eb817f354089d2 | [log] [tgz] |
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author | David Zeuthen <zeuthen@chromium.org> | Wed Apr 16 12:22:39 2014 -0700 |
committer | chrome-internal-fetch <chrome-internal-fetch@google.com> | Thu Apr 17 16:39:16 2014 +0000 |
tree | 08ba33cb0476a51fe82c9ad8cf95624634a9cf3f | |
parent | afed4a1a355c8416d496901234932e99864d6215 [diff] |
metrics: Add UpdateEngine.Rollback.Result metric. Add a metric to track if rollback succeeds or fails. The main use case for this metric is to record how often rollback actually happens. Right now we only track success/failure but if we see a lot of failures in the future, we could add a new metric, for example UpdateEngine.Rollback.FailureErrorCode to convey more detail. BUG=None TEST=New unit test + unit tests pass. Change-Id: I5c32d8585dc8e4b6d38c540d2f754ede5b2ad50b Reviewed-on: https://chromium-review.googlesource.com/195203 Reviewed-by: David Zeuthen <zeuthen@chromium.org> Commit-Queue: David Zeuthen <zeuthen@chromium.org> Tested-by: David Zeuthen <zeuthen@chromium.org>