tools/metrics/rappor/rappor.xml

<!--
Copyright 2014 The Chromium Authors. All rights reserved.
Use of this source code is governed by a BSD-style license that can be
found in the LICENSE file.
-->

<!--
This file is used to generate a comprehensive list of Chrome rappor metrics
along with a detailed description for each histogram. See the design doc at
http://www.chromium.org/developers/design-documents/rappor
for a description of rappor metrics.

TODO(holte): Add validation and pretty printing scripts.
-->

<rappor-configuration>

<!--
Parameters that rappor metrics can be collected with.  This list should be
kept in sync with parameter type definitions in
components/rappor/rappor_service.cc.
-->

<rappor-parameter-types>

<rappor-parameters name="ETLD_PLUS_ONE">
  <summary>
    Parameters suitable for collecting the domain and registry of a URL from
    UMA opt-in users.
  </summary>
  <parameters num-cohorts="128"
              bytes="16"
              hash-functions="2"
              fake-prob=".5"
              fake-one-prob=".5"
              one-coin-prob=".75"
              zero-coin-prob=".25"
              reporting-level="FINE">
  </parameters>
</rappor-parameters>

<rappor-parameters name="COARSE_RAPPOR_TYPE">
  <summary>
    Stricter parameters for metrics collected from a broader population.
  </summary>
  <parameters num-cohorts="128"
              bytes="1"
              hash-functions="2"
              fake-prob=".5"
              fake-one-prob=".5"
              one-coin-prob=".75"
              zero-coin-prob=".25"
              reporting-level="COARSE">
</rappor-parameters>

</rappor-parameter-types>

<!-- Rappor metric definitions -->

<rappor-metrics>

<rappor-metric name="Extensions.PossibleAdInjection2" type="ETLD_PLUS_ONE">
  <owner>rdevlin.cronin@chromium.org</owner>
  <summary>
    The eTLD+1 of a URL that might be doing ad injection.
  </summary>
</rappor-metric>

<rappor-metric name="Search.DefaultSearchProvider" type="ETLD_PLUS_ONE">
  <owner>holte@chromium.org</owner>
  <summary>
    The domain and registry of the URL for the default search engine.
    Recorded when a profile is opened or after a profile reset.
  </summary>
</rappor-metric>

<rappor-metric name="Settings.FirstStartupPage" type="ETLD_PLUS_ONE">
  <owner>holte@chromium.org</owner>
  <summary>
    The domain and registry of the URL of the first page opened on startup.
    Recorded when a profile is loaded if preferences specify a fixed set of URLs
    to open on startup.
  </summary>
</rappor-metric>

<rappor-metric name="Settings.HomePage2" type="ETLD_PLUS_ONE">
  <owner>holte@chromium.org</owner>
  <summary>
    The eTLD+1 of the prefs::kHomePage setting.  Recorded when a profile is
    loaded if the URL is valid and prefs::kHomePageIsNewTabPage is false.
  </summary>
</rappor-metric>

<rappor-metric name="Settings.NewTabPage" type="ETLD_PLUS_ONE">
  <owner>holte@chromium.org</owner>
  <summary>
    The domain and registry of the URL chrome://newtab is rewritten to.
    Recorded when a profile is loaded, if the URL is valid.
  </summary>
</rappor-metric>

</rappor-metrics>

</rappor-configuration>