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metrics.yaml
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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 :: DOM: Core & HTML'
perf:
largest_contentful_paint:
type: timing_distribution
time_unit: millisecond
description: >
Time from navigation start to largest contentful paint.
bugs:
- https://bugzilla.mozilla.org/show_bug.cgi?id=1862939
data_reviews:
- https://bugzilla.mozilla.org/show_bug.cgi?id=1862939#c5
notification_emails:
expires: never
telemetry_mirror: PERF_LARGEST_CONTENTFUL_PAINT_MS
largest_contentful_paint_from_response_start:
type: timing_distribution
time_unit: millisecond
description: >
Time from response start to largest contentful paint.
bugs:
- https://bugzilla.mozilla.org/show_bug.cgi?id=1862939
data_reviews:
- https://bugzilla.mozilla.org/show_bug.cgi?id=1862939#c5
notification_emails:
expires: never
telemetry_mirror: PERF_LARGEST_CONTENTFUL_PAINT_FROM_RESPONSE_START_MS
page_load:
type: event
description: >
Recorded when a top level content document has been loaded.
bugs:
- https://bugzilla.mozilla.org/show_bug.cgi?id=1759744
- https://bugzilla.mozilla.org/show_bug.cgi?id=1799727
- https://bugzilla.mozilla.org/show_bug.cgi?id=1834774
- https://bugzilla.mozilla.org/show_bug.cgi?id=1862939
data_reviews:
- https://bugzilla.mozilla.org/show_bug.cgi?id=1759744#c5
- https://bugzilla.mozilla.org/show_bug.cgi?id=1799727#c4
- https://bugzilla.mozilla.org/show_bug.cgi?id=1834774#c3
- https://bugzilla.mozilla.org/show_bug.cgi?id=1862939#c5
notification_emails:
expires: never
extra_keys:
load_time:
description:
"Time between loadEventStart and navigationStart, in ms."
type: quantity
unit: ms
dns_lookup_time:
description:
"Time taken to perform dns lookup of the top level document, in ms."
type: quantity
unit: ms
response_time:
description:
"Time between responseStart and navigationStart, in ms."
type: quantity
unit: ms
fcp_time:
description:
"Time between firstContentfulPaint and navigationStart, in ms."
type: quantity
unit: ms
lcp_time:
description:
"Time between largestContentfulPaint and navigationStart, at the point of onLoad firing, in ms. This may differ from the final LCP value as reported through the LCP histogram."
type: quantity
unit: ms
js_exec_time:
description:
"Time spent executing JS during page load, in ms."
type: quantity
unit: ms
redirect_time:
type: quantity
description:
"Time spent in redirections for the top level document."
unit: ms
redirect_count:
description:
"Number of redirections for the top level document."
type: quantity
unit: integer
load_type:
description:
"One of normal,reload,stop,link,history,error or other."
type: string
same_origin_nav:
description:
"If true, a normal navigation was performed on the same origin."
type: boolean
http_ver:
description:
"Version of HTTP protocol used."
type: quantity
unit: integer
trr_domain:
description:
"TRR domain used."
type: string
send_in_pings:
- pageload
bloburl:
resolve_stopped:
type: counter
description: >
Counts how many times we do not resolve a blob URL
because of different partition keys
bugs:
- https://bugzilla.mozilla.org/show_bug.cgi?id=1843158
data_reviews:
- https://bugzilla.mozilla.org/show_bug.cgi?id=1843158
data_sensitivity:
- technical
notification_emails:
expires: 127
telemetry_mirror: BLOBURL_RESOLVE_STOPPED
performance.pageload:
load_time:
type: timing_distribution
time_unit: millisecond
telemetry_mirror: PERF_PAGE_LOAD_TIME_MS
description: >
Time in milliseconds from navigationStart to loadEventStart
for the foreground http or https root content document.
(Migrated from the geckoview metric of the same name).
bugs:
- https://bugzilla.mozilla.org/show_bug.cgi?id=1671729
- https://bugzilla.mozilla.org/show_bug.cgi?id=1877842
data_reviews:
- https://bugzilla.mozilla.org/show_bug.cgi?id=1671729#c7
notification_emails:
expires: never
load_time_responsestart:
type: timing_distribution
time_unit: millisecond
telemetry_mirror: PERF_PAGE_LOAD_TIME_FROM_RESPONSESTART_MS
description: >
Time in milliseconds from responseStart to loadEventStart
for the foreground http or https root content document.
(Migrated from the geckoview metric of the same name).
bugs:
- https://bugzilla.mozilla.org/show_bug.cgi?id=1671729
- https://bugzilla.mozilla.org/show_bug.cgi?id=1877842
data_reviews:
- https://bugzilla.mozilla.org/show_bug.cgi?id=1671729#c7
notification_emails:
expires: never
fcp:
type: timing_distribution
time_unit: millisecond
telemetry_mirror: PERF_FIRST_CONTENTFUL_PAINT_MS
description: >
The time between navigationStart and the first contentful paint
of a foreground http or https root content document, in
milliseconds. The contentful paint timestamp is taken during
display list building and does not include rasterization or
compositing of that paint.
(Migrated from the geckoview metric of the same name).
bugs:
- https://bugzilla.mozilla.org/show_bug.cgi?id=1671729
- https://bugzilla.mozilla.org/show_bug.cgi?id=1877842
data_reviews:
- https://bugzilla.mozilla.org/show_bug.cgi?id=1671729#c7
notification_emails:
expires: never
fcp_responsestart:
type: timing_distribution
time_unit: millisecond
telemetry_mirror: PERF_FIRST_CONTENTFUL_PAINT_FROM_RESPONSESTART_MS
description: >
The time between responseStart and the first contentful paint
of a foreground http or https root content document, in
milliseconds. The contentful paint timestamp is taken during
display list building and does not include rasterization or
compositing of that paint.
(Migrated from the geckoview metric of the same name).
bugs:
- https://bugzilla.mozilla.org/show_bug.cgi?id=1671729
- https://bugzilla.mozilla.org/show_bug.cgi?id=1877842
data_reviews:
- https://bugzilla.mozilla.org/show_bug.cgi?id=1671729#c7
notification_emails:
expires: never
performance.time:
dom_interactive:
type: timing_distribution
time_unit: millisecond
telemetry_mirror: TIME_TO_DOM_INTERACTIVE_MS
description: >
Time from navigationStart to domInteractive as per the W3C
Performance Timing API.
(Migrated from the geckoview metric of the same name.)
bugs:
- https://bugzilla.mozilla.org/show_bug.cgi?id=1344893
- https://bugzilla.mozilla.org/show_bug.cgi?id=1489524
- https://bugzilla.mozilla.org/show_bug.cgi?id=1580077
- https://bugzilla.mozilla.org/show_bug.cgi?id=1877842
data_reviews:
- https://bugzilla.mozilla.org/show_bug.cgi?id=1580077#c10
notification_emails:
expires: never
dom_content_loaded_start:
type: timing_distribution
time_unit: millisecond
telemetry_mirror: TIME_TO_DOM_CONTENT_LOADED_START_MS
description: >
Time from navigationStart to domContentLoadedEventStart as per
the W3C Performance Timing API.
(Migrated from the geckoview metric of the same name.)
bugs:
- https://bugzilla.mozilla.org/show_bug.cgi?id=1344893
- https://bugzilla.mozilla.org/show_bug.cgi?id=1580077
- https://bugzilla.mozilla.org/show_bug.cgi?id=1877842
data_reviews:
- https://bugzilla.mozilla.org/show_bug.cgi?id=1580077#c10
notification_emails:
expires: never
dom_content_loaded_end:
type: timing_distribution
time_unit: millisecond
telemetry_mirror: TIME_TO_DOM_CONTENT_LOADED_END_MS
description: >
Time from navigationStart to domContentLoadedEventEnd as per
the W3C Performance Timing API.
(Migrated from the geckoview metric of the same name.)
bugs:
- https://bugzilla.mozilla.org/show_bug.cgi?id=1344893
- https://bugzilla.mozilla.org/show_bug.cgi?id=1489524
- https://bugzilla.mozilla.org/show_bug.cgi?id=1580077
- https://bugzilla.mozilla.org/show_bug.cgi?id=1877842
data_reviews:
- https://bugzilla.mozilla.org/show_bug.cgi?id=1580077#c10
notification_emails:
expires: never
dom_complete:
type: timing_distribution
time_unit: millisecond
telemetry_mirror: TIME_TO_DOM_COMPLETE_MS
description: >
Time from navigationStart to domComplete as per the W3C Performance
Timing API.
(Migrated from the geckoview metric of the same name.)
bugs:
- https://bugzilla.mozilla.org/show_bug.cgi?id=1344893
- https://bugzilla.mozilla.org/show_bug.cgi?id=1489524
- https://bugzilla.mozilla.org/show_bug.cgi?id=1580077
- https://bugzilla.mozilla.org/show_bug.cgi?id=1877842
data_reviews:
- https://bugzilla.mozilla.org/show_bug.cgi?id=1580077#c10
notification_emails:
expires: never
load_event_start:
type: timing_distribution
time_unit: millisecond
telemetry_mirror: TIME_TO_LOAD_EVENT_START_MS
description: >
Time from navigationStart to loadEventStart as per the W3C Performance
Timing API.
(Migrated from the geckoview metric of the same name.)
bugs:
- https://bugzilla.mozilla.org/show_bug.cgi?id=1344893
- https://bugzilla.mozilla.org/show_bug.cgi?id=1580077
- https://bugzilla.mozilla.org/show_bug.cgi?id=1877842
data_reviews:
- https://bugzilla.mozilla.org/show_bug.cgi?id=1580077#c10
notification_emails:
expires: never
load_event_end:
type: timing_distribution
time_unit: millisecond
telemetry_mirror: TIME_TO_LOAD_EVENT_END_MS
description: >
Time from navigationStart to loadEventEnd as per the W3C Performance
Timing API.
(Migrated from the geckoview metric of the same name.)
bugs:
- https://bugzilla.mozilla.org/show_bug.cgi?id=1344893
- https://bugzilla.mozilla.org/show_bug.cgi?id=1489524
- https://bugzilla.mozilla.org/show_bug.cgi?id=1580077
- https://bugzilla.mozilla.org/show_bug.cgi?id=1877842
data_reviews:
- https://bugzilla.mozilla.org/show_bug.cgi?id=1580077#c10
notification_emails:
expires: never
performance.page:
non_blank_paint:
type: timing_distribution
time_unit: millisecond
telemetry_mirror: TIME_TO_NON_BLANK_PAINT_MS
description: >
The time between navigationStart and the first non-blank paint of a
foreground root content document, in milliseconds. This only records
documents that were in an active docshell throughout the whole time
between navigation start and non-blank paint. The non-blank paint
timestamp is taken during display list building and does not include
rasterization or compositing of that paint.
(Migrated from the geckoview metric of the same name.)
bugs:
- https://bugzilla.mozilla.org/show_bug.cgi?id=1307242
- https://bugzilla.mozilla.org/show_bug.cgi?id=1489524
- https://bugzilla.mozilla.org/show_bug.cgi?id=1580077
- https://bugzilla.mozilla.org/show_bug.cgi?id=1877842
data_reviews:
- https://bugzilla.mozilla.org/show_bug.cgi?id=1580077#c10
notification_emails:
expires: never
javascript.pageload:
execution_time:
type: timing_distribution
time_unit: millisecond
telemetry_mirror: JS_PAGELOAD_EXECUTION_MS
description: >
Time spent during page load executing Javascript in ms.
(Migrated from the geckoview metric of the same name.)
bugs:
- https://bugzilla.mozilla.org/show_bug.cgi?id=1709139
- https://bugzilla.mozilla.org/show_bug.cgi?id=1877843
data_reviews:
- https://bugzilla.mozilla.org/show_bug.cgi?id=1709139#c4
notification_emails:
expires: never
delazification_time:
type: timing_distribution
time_unit: millisecond
telemetry_mirror: JS_PAGELOAD_DELAZIFICATION_MS
description: >
Time spent during page load delazifying Javascript in ms.
(Migrated from the geckoview metric of the same name.)
bugs:
- https://bugzilla.mozilla.org/show_bug.cgi?id=1709139
- https://bugzilla.mozilla.org/show_bug.cgi?id=1877843
data_reviews:
- https://bugzilla.mozilla.org/show_bug.cgi?id=1709139#c4
notification_emails:
expires: never
xdr_encode_time:
type: timing_distribution
time_unit: millisecond
telemetry_mirror: JS_PAGELOAD_XDR_ENCODING_MS
description: >
Time spent during page load XDR encoding Javascript in ms.
(Migrated from the geckoview metric of the same name.)
bugs:
- https://bugzilla.mozilla.org/show_bug.cgi?id=1709139
- https://bugzilla.mozilla.org/show_bug.cgi?id=1877843
data_reviews:
- https://bugzilla.mozilla.org/show_bug.cgi?id=1709139#c4
notification_emails:
expires: never
baseline_compile_time:
type: timing_distribution
time_unit: millisecond
telemetry_mirror: JS_PAGELOAD_BASELINE_COMPILE_MS
description: >
Time spent during page load baseline compiling Javascript in ms.
(Migrated from the geckoview metric of the same name.)
bugs:
- https://bugzilla.mozilla.org/show_bug.cgi?id=1709139
- https://bugzilla.mozilla.org/show_bug.cgi?id=1877843
data_reviews:
- https://bugzilla.mozilla.org/show_bug.cgi?id=1709139#c4
notification_emails:
expires: never
gc_time:
type: timing_distribution
time_unit: millisecond
telemetry_mirror: JS_PAGELOAD_GC_MS
description: >
Time spent during page load in the GC in ms.
(Migrated from the geckoview metric of the same name.)
bugs:
- https://bugzilla.mozilla.org/show_bug.cgi?id=1709139
- https://bugzilla.mozilla.org/show_bug.cgi?id=1877843
data_reviews:
- https://bugzilla.mozilla.org/show_bug.cgi?id=1709139#c4
notification_emails:
expires: never
parse_time:
type: timing_distribution
time_unit: millisecond
telemetry_mirror: JS_PAGELOAD_PARSE_MS
description: >
Time spent during page load syntax parsing JS scripts on
the main thread in ms.
(Migrated from the geckoview metric of the same name.)
bugs:
- https://bugzilla.mozilla.org/show_bug.cgi?id=1709139
- https://bugzilla.mozilla.org/show_bug.cgi?id=1877843
data_reviews:
- https://bugzilla.mozilla.org/show_bug.cgi?id=1709139#c4
notification_emails:
expires: never
protect_time:
type: timing_distribution
time_unit: millisecond
telemetry_mirror: JS_PAGELOAD_PROTECT_MS
description: >
Time spent during page load protecting JIT executable memory.
(Migrated from the geckoview metric of the same name.)
bugs:
- https://bugzilla.mozilla.org/show_bug.cgi?id=1709139
- https://bugzilla.mozilla.org/show_bug.cgi?id=1877843
data_reviews:
- https://bugzilla.mozilla.org/show_bug.cgi?id=1709139#c4
notification_emails:
expires: never