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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:
- 'Firefox :: New Tab Page'
thumbnails:
capture_time:
type: timing_distribution
description: >
THUMBNAILS: Time (ms) it takes to capture a thumbnail
This metric was generated to correspond to the Legacy Telemetry
exponential histogram FX_THUMBNAILS_CAPTURE_TIME_MS.
time_unit: millisecond
bugs:
data_reviews:
notification_emails:
- sdowne@mozilla.com
expires: never
telemetry_mirror: FX_THUMBNAILS_CAPTURE_TIME_MS
store_time:
type: timing_distribution
description: >
THUMBNAILS: Time (ms) it takes to store a thumbnail in the cache
This metric was generated to correspond to the Legacy Telemetry
exponential histogram FX_THUMBNAILS_STORE_TIME_MS.
time_unit: millisecond
bugs:
data_reviews:
notification_emails:
- sdowne@mozilla.com
expires: never
telemetry_mirror: FX_THUMBNAILS_STORE_TIME_MS
queue_size_on_capture:
type: custom_distribution
description: >
BACKGROUND THUMBNAILS: Size of capture queue when a capture request is
received
This metric was generated to correspond to the Legacy Telemetry
exponential histogram FX_THUMBNAILS_BG_QUEUE_SIZE_ON_CAPTURE.
range_min: 1
range_max: 100
bucket_count: 15
histogram_type: exponential
unit: queue length
bugs:
data_reviews:
notification_emails:
- sdowne@mozilla.com
expires: never
telemetry_mirror: FX_THUMBNAILS_BG_QUEUE_SIZE_ON_CAPTURE
capture_queue_time:
type: timing_distribution
description: >
BACKGROUND THUMBNAILS: Time the capture request spent in the queue before
being serviced (ms)
This metric was generated to correspond to the Legacy Telemetry
exponential histogram FX_THUMBNAILS_BG_CAPTURE_QUEUE_TIME_MS.
time_unit: millisecond
bugs:
data_reviews:
notification_emails:
- sdowne@mozilla.com
expires: never
telemetry_mirror: FX_THUMBNAILS_BG_CAPTURE_QUEUE_TIME_MS
capture_done_reason_2:
type: custom_distribution
description: >
BACKGROUND THUMBNAILS: Reason the capture completed (see
TEL_CAPTURE_DONE_* constants in BackgroundPageThumbs.sys.mjs)
This metric was generated to correspond to the Legacy Telemetry enumerated
histogram FX_THUMBNAILS_BG_CAPTURE_DONE_REASON_2.
range_min: 0
range_max: 10
bucket_count: 11
histogram_type: linear
bugs:
data_reviews:
notification_emails:
- sdowne@mozilla.com
expires: never
telemetry_mirror: FX_THUMBNAILS_BG_CAPTURE_DONE_REASON_2
capture_page_load_time:
type: timing_distribution
description: >
BACKGROUND THUMBNAILS: Time the capture's page load took (ms)
This metric was generated to correspond to the Legacy Telemetry
exponential histogram FX_THUMBNAILS_BG_CAPTURE_PAGE_LOAD_TIME_MS.
time_unit: millisecond
bugs:
data_reviews:
notification_emails:
- sdowne@mozilla.com
expires: never
telemetry_mirror: FX_THUMBNAILS_BG_CAPTURE_PAGE_LOAD_TIME_MS
capture_canvas_draw_time:
type: timing_distribution
description: >
BACKGROUND THUMBNAILS: Time it took to draw the capture's window to canvas
(ms)
This metric was generated to correspond to the Legacy Telemetry
exponential histogram FX_THUMBNAILS_BG_CAPTURE_CANVAS_DRAW_TIME_MS.
time_unit: millisecond
bugs:
data_reviews:
notification_emails:
- sdowne@mozilla.com
expires: never
telemetry_mirror: FX_THUMBNAILS_BG_CAPTURE_CANVAS_DRAW_TIME_MS