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Issue 1444133002:
Add UMA histograms for data usage tab model (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master| Index: tools/metrics/histograms/histograms.xml |
| diff --git a/tools/metrics/histograms/histograms.xml b/tools/metrics/histograms/histograms.xml |
| index b76f7b8d8e9058c0513800cd55351827c2ae75ac..0993d4521af78c0161406f2af340cd9ac8a7d47f 100644 |
| --- a/tools/metrics/histograms/histograms.xml |
| +++ b/tools/metrics/histograms/histograms.xml |
| @@ -6423,6 +6423,81 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries. |
| </summary> |
| </histogram> |
| +<histogram name="DataUse.TabModel.ExpiredActiveTabEntryRemovalDuration" |
| + units="seconds"> |
| + <owner>bengr@chromium.org</owner> |
| + <owner>rajendrant@chromium.org</owner> |
| + <summary> |
| + The duration in seconds an expired tab entry still actively tracking data |
| + usage for a Chrome tab is removed from tab model since its latest data usage |
| + tracking session. |
|
jwd
2015/11/17 20:55:22
Does a tracking session have a start and end? if s
jwd
2015/11/17 20:55:22
I would separate the description of what's being l
Raj
2015/11/17 23:43:03
Done.
Raj
2015/11/17 23:43:03
Done.
|
| + |
| + Tab model maintains the tab entries each pertaining to tracking sessions of |
|
jwd
2015/11/17 20:55:22
nit: "tab model" isn't a proper noun right? If not
jwd
2015/11/17 20:55:22
nit: "entries, each" I think.
Raj
2015/11/17 23:43:03
Done.
Raj
2015/11/17 23:43:03
Done.
|
| + a single Chrome tab. These entries are considered expired after some |
| + duration and can be removed from tab model after that. The sample is taken |
| + when an expired tab entry still tracking data usage is removed from the tab |
| + model. |
| + </summary> |
| +</histogram> |
| + |
| +<histogram name="DataUse.TabModel.ExpiredInactiveTabEntryRemovalDuration" |
| + units="seconds"> |
| + <owner>bengr@chromium.org</owner> |
| + <owner>rajendrant@chromium.org</owner> |
| + <summary> |
| + The duration in seconds an expired tab entry not actively tracking data |
| + usage for a Chrome tab is removed from tab model since its latest data usage |
| + tracking session. |
| + |
| + Tab model maintains the tab entries each pertaining to tracking sessions of |
| + a single Chrome tab. These entries are considered expired after some |
| + duration and can be removed from tab model after that. The sample is taken |
| + when an expired inactive tab entry is removed from the tab model. |
| + </summary> |
| +</histogram> |
| + |
| +<histogram name="DataUse.TabModel.OldInactiveSessionRemovalDuration" |
| + units="seconds"> |
| + <owner>bengr@chromium.org</owner> |
| + <owner>rajendrant@chromium.org</owner> |
| + <summary> |
| + The amount of time in seconds between the time of deletion of an old |
| + inactive data usage tracking session and the time its tracking ended. |
| + |
| + Tab model maintains a limited number of tracking sessions per Chrome tab. |
| + When this limit is reached oldest inactive tracking sessions are removed. |
| + The sample is taken when an old inactive tracking session of a tab is |
| + removed from the tab model. |
| + </summary> |
| +</histogram> |
| + |
| +<histogram name="DataUse.TabModel.TrackingSessionLifetime" units="seconds"> |
| + <owner>bengr@chromium.org</owner> |
| + <owner>rajendrant@chromium.org</owner> |
| + <summary> |
| + The lifetime of a data usage tracking session of a Chrome tab in seconds, |
| + maintained by tab model. This is the duration between the time tracking |
| + started due to an entry event and ended with an exit event. The sample is |
| + taken when the data usage tracking session ends. |
| + </summary> |
| +</histogram> |
| + |
| +<histogram name="DataUse.TabModel.UnexpiredTabEntryRemovalDuration" |
| + units="seconds"> |
| + <owner>bengr@chromium.org</owner> |
| + <owner>rajendrant@chromium.org</owner> |
| + <summary> |
| + The duration in seconds an unexpired tab entry is removed from tab model and |
| + its latest data usage tracking session. |
| + |
| + Tab model maintains a limited number of entries each pertaining to tracking |
| + sessions of a single Chrome tab. When this limit is reached even after |
| + removing expired tab entries, then oldest unexpired tab entries are removed. |
| + The sample is taken when an unexpired tab entry is removed from the tab |
| + model. |
| + </summary> |
| +</histogram> |
| + |
| <histogram name="DataUse.TrafficSize.System" units="bytes"> |
| <owner>amohammadkhan@chromium.org</owner> |
| <owner>bengr@chromium.org</owner> |
