Telemetry from bug 952543, combined with other AddonManager telemetry, is showing roughly 0.1% of Nightly sessions where AddonManager.startup() runs to completion, but XPIProvider.startup() does not log its timestamps. There is a preference, "extensions.defaultProviders.enabled", which could be causing this but I'd be surprised if 0.1% of profiles had that set. Aside from that there's very little code that could fail between where we record AMI_startup_begin and XPI_startup_begin *without* logging an exception. I think the next step is to record extensions.defaultProviders.enabled in telemetry and cover the gaps where we could skip XPI_startup_begin without reporting a failure.
Assignee: nobody → irving
Status: NEW → ASSIGNED
Attachment #8400344 - Flags: review?(bmcbride)
Attachment #8400344 - Flags: review?(bmcbride) → review+
https://hg.mozilla.org/integration/fx-team/rev/bc716fe4c06d Should this be leave-open?
Status: ASSIGNED → RESOLVED
Last Resolved: 5 years ago
Resolution: --- → FIXED
Target Milestone: --- → mozilla31
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