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# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# Adding a new metric? We have docs for that!
---
$tags:
- 'Core :: Layout'
performance.pageload:
async_sheet_load:
type: timing_distribution
time_unit: millisecond
description: >
Time spent in milliseconds since a style sheet started loading async
until it finished.
bugs:
data_reviews:
data_sensitivity:
- technical
notification_emails:
- emilio@mozilla.com
- perf-telemetry-alerts@mozilla.com
expires: 141
glam_experiment:
async_sheet_load:
type: timing_distribution
disabled: true
time_unit: millisecond
description: >
Duplicate of:
`performance.pageload.async_sheet_load`
Intended for the purpose of testing client side sampling of data. This
metric is disabled by default and will be enabled only for the purpose
bugs:
data_reviews:
data_sensitivity:
- technical
notification_emails:
- tlong@mozilla.com
- efilho@mozilla.com
expires: 141