Chromium Code Reviews Chromium Code Reviews
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..52271e483fc0ab8405c0b97a583c3170db4c8660 100644 |
| --- a/tools/metrics/histograms/histograms.xml |
| +++ b/tools/metrics/histograms/histograms.xml |
| @@ -6423,6 +6423,86 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries. |
| </summary> |
| </histogram> |
| +<histogram name="DataUse.TabModel.ExpiredActiveTabEntryRemovalDuration" |
| + units="seconds"> |
|
tbansal1
2015/11/18 06:59:57
UMA_HISTOGRAM_CUSTOM_TIMES is always in millisecon
Raj
2015/11/18 16:56:28
Done.
|
| + <owner>bengr@chromium.org</owner> |
| + <owner>rajendrant@chromium.org</owner> |
| + <summary> |
| + The duration in seconds from the start time of a tab entry's latest data |
|
tbansal1
2015/11/18 06:59:58
Remove "in seconds" from the description since the
Raj
2015/11/18 16:56:28
Done.
|
| + usage tracking session, till when the entry is expired and removed from the |
| + tab model. This is for tab entries that are still actively tracking data |
| + usage for a Chrome tab. |
|
tbansal1
2015/11/18 06:59:58
s/Chrome/Chromium
Here, and below
Raj
2015/11/18 16:56:28
Done.
|
| + |
| + 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 the 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 from the end time of a tab entry's latest data usage |
| + tracking session, till when the entry is expired and removed from the tab |
| + model. This is for tab entries that are not actively tracking data usage for |
| + a Chrome tab. |
| + |
| + 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 the 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 duration in seconds from the end time of a data usage tracking session, |
| + till when the tracking session is removed from the tab model. This is for |
| + old tracking sessions that are not actively tracking data usage. |
| + |
| + 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 the 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 from the end time (start time, if still active) of a |
| + tab entry's latest data usage tracking session, till when the entry is |
| + removed from the tab model. This is for tab entries that are not expired |
| + yet, and removed from the tab model. |
| + |
| + 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> |
