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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
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# Adding a new metric? We have docs for that!
+# https://firefox-source-docs.mozilla.org/toolkit/components/glean/user/new_definitions_file.html
+
+---
+$schema: moz://mozilla.org/schemas/glean/metrics/2-0-0
+$tags:
+ - 'Core :: XPConnect'
+
+
+performance.clone.deserialize:
+ size:
+ description: >
+ Size of deserialized data, in bytes
+ type: memory_distribution
+ memory_unit: byte
+ bugs:
+ - https://bugzilla.mozilla.org/show_bug.cgi?id=1717631
+ data_reviews:
+ - https://bugzilla.mozilla.org/show_bug.cgi?id=1717631#c4
+ 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:
+ - https://bugzilla.mozilla.org/show_bug.cgi?id=1717631
+ data_reviews:
+ - https://bugzilla.mozilla.org/show_bug.cgi?id=1717631#c4
+ notification_emails:
+ - sfink@mozilla.com
+ expires: never
+
+ time:
+ description: >
+ Time spent deserializing structured data
+ type: timing_distribution
+ time_unit: microsecond
+ bugs:
+ - https://bugzilla.mozilla.org/show_bug.cgi?id=1717631
+ data_reviews:
+ - https://bugzilla.mozilla.org/show_bug.cgi?id=1717631#c4
+ 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:
+ - https://bugzilla.mozilla.org/show_bug.cgi?id=1636419
+ - https://bugzilla.mozilla.org/show_bug.cgi?id=1877843
+ data_reviews:
+ - https://bugzilla.mozilla.org/show_bug.cgi?id=1636419#c8
+ 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:
+ - https://bugzilla.mozilla.org/show_bug.cgi?id=1636419
+ - https://bugzilla.mozilla.org/show_bug.cgi?id=1877843
+ data_reviews:
+ - https://bugzilla.mozilla.org/show_bug.cgi?id=1636419#c17
+ 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:
+ - https://bugzilla.mozilla.org/show_bug.cgi?id=1636419
+ - https://bugzilla.mozilla.org/show_bug.cgi?id=1877843
+ data_reviews:
+ - https://bugzilla.mozilla.org/show_bug.cgi?id=1636419#c17
+ 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:
+ - https://bugzilla.mozilla.org/show_bug.cgi?id=1636419
+ - https://bugzilla.mozilla.org/show_bug.cgi?id=1877843
+ data_reviews:
+ - https://bugzilla.mozilla.org/show_bug.cgi?id=1636419#c17
+ 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:
+ - https://bugzilla.mozilla.org/show_bug.cgi?id=1636419
+ - https://bugzilla.mozilla.org/show_bug.cgi?id=1877843
+ data_reviews:
+ - https://bugzilla.mozilla.org/show_bug.cgi?id=1636419#c17
+ 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:
+ - https://bugzilla.mozilla.org/show_bug.cgi?id=1636419
+ - https://bugzilla.mozilla.org/show_bug.cgi?id=1877843
+ data_reviews:
+ - https://bugzilla.mozilla.org/show_bug.cgi?id=1636419#c17
+ 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:
+ - https://bugzilla.mozilla.org/show_bug.cgi?id=1636419
+ - https://bugzilla.mozilla.org/show_bug.cgi?id=1877843
+ data_reviews:
+ - https://bugzilla.mozilla.org/show_bug.cgi?id=1636419#c17
+ 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:
+ - https://bugzilla.mozilla.org/show_bug.cgi?id=1636419
+ - https://bugzilla.mozilla.org/show_bug.cgi?id=1877843
+ data_reviews:
+ - https://bugzilla.mozilla.org/show_bug.cgi?id=1636419#c17
+ notification_emails:
+ - dev-telemetry-gc-alerts@mozilla.org
+ - jcoppeard@mozilla.com
+ expires: never