| // Copyright 2018 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. |
| |
| syntax = "proto2"; |
| |
| option optimize_for = LITE_RUNTIME; |
| |
| // Contains the information that we want to track about a given site feature. |
| // Next Id: 3 |
| message SiteCharacteristicsFeatureProto { |
| // The cumulative observation time for this feature in seconds, set to 0 once |
| // this feature has been observed. |
| optional int64 observation_duration = 1; |
| // The time at which this feature has been used (set to 0 if it hasn't been |
| // used), in seconds since epoch. |
| optional int64 use_timestamp = 2; |
| } |
| |
| // Contains decaying average performance measurement estimates. |
| // Next Id: 4 |
| message SiteCharacteristicsPerformanceMeasurement { |
| // A decaying average of the CPU usage measurements. Units: microseconds. |
| optional float avg_cpu_usage_us = 1; |
| // A decaying average of the process footprint measurements. Units: kilobytes. |
| optional float avg_footprint_kb = 2; |
| // A decaying average of the duration from navigation commit to "loaded". |
| // Units: microseconds. |
| optional float avg_load_duration_us = 3; |
| }; |
| |
| // Defines the characteristics that we want to track about a given site. |
| // Next Id: 7 |
| message SiteCharacteristicsProto { |
| // The last time this site has been in the loaded state, in seconds since |
| // epoch. |
| optional uint32 last_loaded = 1; |
| |
| // List of features that we're tracking. |
| optional SiteCharacteristicsFeatureProto updates_favicon_in_background = 2; |
| optional SiteCharacteristicsFeatureProto updates_title_in_background = 3; |
| optional SiteCharacteristicsFeatureProto uses_audio_in_background = 4; |
| optional SiteCharacteristicsFeatureProto uses_notifications_in_background = 5; |
| |
| // Load time performance measurement estimates. This maintains a decaying |
| // average of the resource usage of a page until shortly after it becomes |
| // idle. |
| optional SiteCharacteristicsPerformanceMeasurement load_time_estimates = 6; |
| } |