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Issue 832005 link

Starred by 1 user

Issue metadata

Status: Fixed
Closed: Apr 2018
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 3
Type: Bug

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Create NumberOfActiveProfiles metric, update description of other UMA active profile counts

Project Member Reported by, Apr 12 2018

Issue description

The following UMA metrics count "active" profiles (measured as being used in the last 28 days), as opposed to total profiles on the device:


See the code here:

We should document that in histograms.xml.

In order to also be able to get more accurate percentages for managed, signed in, auth error and gaia icon profiles, we should also log Profile.NumberOfActiveProfiles.

Comment 1 by, Apr 12 2018

Woah, thanks for flagging this Florian. Just to make sure I understand: right now, our denominator (Profile.NumberOfProfiles) is counting total profiles, but our numerators (Profile.NumberOfSignedInProfiles, Profiles.NumberOfProfilesWithAuthErrors, etc.) are counting only *active* profiles? So all of these rates are *lower* than they are in reality?
Eli: you're understanding it right.

Comment 3 by, Apr 12 2018

😱 Fixing this seems important :) Luckily, for A/B tests, at least what we're doing is apples-to-apples.
Status: Assigned (was: Untriaged)
Project Member

Comment 5 by, Apr 26 2018

The following revision refers to this bug:

commit defcedc9d83d2e4dd9443c83a4191ace7445ed58
Author: Florian Uunk <>
Date: Thu Apr 26 11:56:06 2018

Create Profile.NumberOfActiveProfiles metric

Currently most Profile.NumberOf[...] metrics only count 28DA profiles.
However, the Profile.NumberOfProfiles metric counts all profiles,
including inactive ones.

Add a Profile.NumberOfActiveProfiles metric to use as denominator for
NumberOf[...] metrics that count active profiles. Also update the
documentation on the NumberOf[...] metrics to describe whether they
count all or only active profiles.

BUG= 832005 

Change-Id: I85a23dfd792e8a39a88459b989e911126a9fca48
Reviewed-by: Mihai Sardarescu <>
Reviewed-by: anthonyvd <>
Reviewed-by: Mark Pearson <>
Commit-Queue: Florian Uunk <>
Cr-Commit-Position: refs/heads/master@{#553986}

Comment 6 by, Apr 26 2018

Status: Fixed (was: Assigned)

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