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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 :: XPConnect'
performance.clone.deserialize:
size:
description: >
Size of deserialized data, in bytes
type: memory_distribution
memory_unit: byte
bugs:
data_reviews:
notification_emails:
- sfink@mozilla.com
expires: never
items:
description: >
Size of deserialized data, in items
type: custom_distribution
unit: Serialized items
histogram_type: exponential
range_max: 2147483646
bucket_count: 50
bugs:
data_reviews:
notification_emails:
- sfink@mozilla.com
expires: never
time:
description: >
Time spent deserializing structured data
type: timing_distribution
time_unit: microsecond
bugs:
data_reviews:
notification_emails:
- sfink@mozilla.com
expires: never
javascript.gc:
total_time:
type: timing_distribution
time_unit: millisecond
description: >
The total time taken by a major collection.
(Migrated from the geckoview metric of the same name.)
bugs:
data_reviews:
notification_emails:
- dev-telemetry-gc-alerts@mozilla.org
- jcoppeard@mozilla.com
expires: never
minor_time:
type: timing_distribution
time_unit: microsecond
description: >
The time taked by a minor (nursery) collection.
(Migrated from the geckoview metric of the same name.)
bugs:
data_reviews:
notification_emails:
- dev-telemetry-gc-alerts@mozilla.org
- jcoppeard@mozilla.com
expires: never
prepare_time:
type: timing_distribution
time_unit: millisecond
description: >
The time spent in the preparation phase.
(Migrated from the geckoview metric of the same name.)
bugs:
data_reviews:
notification_emails:
- dev-telemetry-gc-alerts@mozilla.org
- jcoppeard@mozilla.com
expires: never
mark_roots_time:
type: timing_distribution
time_unit: microsecond
description: >
The time spent marking GC roots.
(Migrated from the geckoview metric of the same name.)
bugs:
data_reviews:
notification_emails:
- dev-telemetry-gc-alerts@mozilla.org
- jcoppeard@mozilla.com
expires: never
mark_time:
type: timing_distribution
time_unit: millisecond
description: >
The time spent in the mark phase.
(Migrated from the geckoview metric of the same name.)
bugs:
data_reviews:
notification_emails:
- dev-telemetry-gc-alerts@mozilla.org
- jcoppeard@mozilla.com
expires: never
sweep_time:
type: timing_distribution
time_unit: millisecond
description: >
The time spent in the sweep phase.
(Migrated from the geckoview metric of the same name.)
bugs:
data_reviews:
notification_emails:
- dev-telemetry-gc-alerts@mozilla.org
- jcoppeard@mozilla.com
expires: never
compact_time:
type: timing_distribution
time_unit: millisecond
description: >
The time spent in the compact phase.
(Migrated from the geckoview metric of the same name.)
bugs:
data_reviews:
notification_emails:
- dev-telemetry-gc-alerts@mozilla.org
- jcoppeard@mozilla.com
expires: never
slice_time:
type: timing_distribution
time_unit: millisecond
description: >
The time spent running a GC slice.
(Migrated from the geckoview metric of the same name.)
bugs:
data_reviews:
notification_emails:
- dev-telemetry-gc-alerts@mozilla.org
- jcoppeard@mozilla.com
expires: never