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Bug 1674779 - Improve documentation of GV_PAGE_LOAD_MS (describe back navigation and bimodality) r=Dexter

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Add notes to metrics.yaml and Histograms.json to describe a source of bimodality in this probe.

Differential Revision: https://phabricator.services.mozilla.com/D95534
This commit is contained in:
Andrew Creskey 2020-11-09 19:59:51 +00:00
parent 5344478e40
commit 9506358b74
2 changed files with 3 additions and 1 deletions
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2
toolkit/components/telemetry/Histograms.json
View File

@ -15368,7 +15368,7 @@
"high": 100000,
"n_buckets": 100,
"bug_numbers": [1499418, 1584109],
"description": "GeckoView: Time taken to load a page in ms. This includes all static contents, no dynamic content. Loading of about: pages is not counted."
"description": "GeckoView: Time taken to load a page in ms. This includes all static contents, no dynamic content. Loading of about: pages is not counted. Back back navigation (sometimes via BFCache) is included which is a source of bimodality due to the <50ms load times."
},
"GV_PAGE_RELOAD_MS": {
"record_in_processes": ["main", "content"],

2
toolkit/components/telemetry/geckoview/streaming/metrics.yaml
View File

@ -85,6 +85,8 @@ geckoview:
The time taken to load a page. This includes all static contents, no
dynamic content.
Loading of about: pages is not counted.
Back back navigation (sometimes via BFCache) is included which is a
source of bimodality due to the <50ms load times.
bugs:
- https://bugzilla.mozilla.org/show_bug.cgi?id=1499418
- https://bugzilla.mozilla.org/show_bug.cgi?id=1584109