Source code
Revision control
Copy as Markdown
Other Tools
# 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 :: Networking: HTTP'
netwerk:
early_hints:
type: labeled_counter
labels:
- stylesheet
- fonts
- scripts
- fetch
- image
- other
description: >
Counts the different type of resources that are sent for early hints.
bugs:
data_reviews:
notification_emails:
- necko@mozilla.com
- vgosu@mozilla.com
expires: never
eh_link_type:
type: labeled_counter
labels:
- dns-prefetch
- icon
- modulepreload
- preconnect
- prefetch
- preload
- prerender
- stylesheet
- other
description: >
Counts different type of link headers that are sent in early hint
bugs:
data_reviews:
notification_emails:
- necko@mozilla.com
- manuel@mozilla.com
expires: never
network:
data_size_per_type:
type: labeled_counter
labels:
- text_html
- text_css
- text_json
- text_plain
- text_javascript
- text_other
- audio
- video
- multipart
- icon
- image
- ocsp
- xpinstall
- wasm
- pdf
- octet_stream
- proxy
- compressed
- x509
- application_other
description: >
Number of KB we transferred keyed by "contentType"
bugs:
data_reviews:
notification_emails:
- necko@mozilla.com
- rtestard@mozilla.com
expires: 130
telemetry_mirror: NETWORKING_DATA_TRANSFERRED_PER_CONTENT_TYPE
no_lint:
- COMMON_PREFIX
data_size_pb_per_type:
type: labeled_counter
labels:
- text_html
- text_css
- text_json
- text_plain
- text_javascript
- text_other
- audio
- video
- multipart
- icon
- image
- ocsp
- xpinstall
- wasm
- pdf
- octet_stream
- proxy
- compressed
- x509
- application_other
description: >
Number of KB we transferred keyed by "contentType"
bugs:
data_reviews:
notification_emails:
- necko@mozilla.com
- rtestard@mozilla.com
expires: 130
telemetry_mirror: NETWORKING_DATA_TRANSFERRED_PB_PER_CONTENT_TYPE
no_lint:
- COMMON_PREFIX
cors_authorization_header:
type: labeled_counter
labels:
- allowed
- disallowed
- covered_by_wildcard
description: >
Count how many times we see `Authorization` header in
`Access-Control-Request-Headers` header and the possible outcomes.
bugs:
data_reviews:
notification_emails:
- necko@mozilla.com
- kershaw@mozilla.com
expires: 130
cache_hit_time:
type: timing_distribution
time_unit: millisecond
telemetry_mirror: NETWORK_CACHE_V2_HIT_TIME_MS
description: >
Time to open existing cache entry file.
(Migrated from the geckoview metric of the same name).
bugs:
data_reviews:
notification_emails:
- necko@mozilla.com
expires: never
font_download_end:
type: timing_distribution
time_unit: millisecond
telemetry_mirror: WEBFONT_DOWNLOAD_TIME_AFTER_START
description: >
Time after navigationStart that all webfont downloads are completed.
(Migrated from the geckoview metric of the same name).
bugs:
data_reviews:
notification_emails:
- perf-telemetry-alerts@mozilla.com
- necko@mozilla.com
- bdekoz@mozilla.com
expires: never
first_from_cache:
type: timing_distribution
time_unit: millisecond
description: >
In the HTTP page channel, time from connection open to cache read start.
Corresponds to Legacy histogram HTTP_PAGE_OPEN_TO_FIRST_FROM_CACHE_V2 in
Desktop.
bugs:
data_reviews:
notification_emails:
- necko@mozilla.com
expires: never
tcp_connection:
type: timing_distribution
time_unit: millisecond
description: >
In the HTTP page channel, time from the TCP SYN packet is received to
the connection is established and ready for HTTP.
Corresponds to Legacy histogram HTTP_PAGE_TCP_CONNECTION_2 in Desktop
(Migrated from the geckoview metric of the same name).
bugs:
data_reviews:
notification_emails:
- necko@mozilla.com
- vgosu@mozilla.com
expires: never
dns_start:
type: timing_distribution
time_unit: millisecond
description: >
In the HTTP page channel, time from connection open to the DNS request
being issued.
Corresponds to Legacy histogram HTTP_PAGE_DNS_ISSUE_TIME in Desktop.
(Migrated from the geckoview metric of the same name).
bugs:
data_reviews:
notification_emails:
- necko@mozilla.com
- vgosu@mozilla.com
expires: never
dns_end:
type: timing_distribution
time_unit: millisecond
description: >
In the HTTP page channel, time from the DNS request being issued to
the response.
Corresponds to Legacy histogram HTTP_PAGE_DNS_LOOKUP_TIME in Desktop.
(Migrated from the geckoview metric of the same name).
bugs:
data_reviews:
notification_emails:
- necko@mozilla.com
- vgosu@mozilla.com
expires: never
tls_handshake:
type: timing_distribution
time_unit: millisecond
description: >
In the HTTP page channel, time from after the TCP SYN packet is
received to the secure connection is established and ready for HTTP.
Corresponds to Legacy histogram HTTP_PAGE_TLS_HANDSHAKE in Desktop.
(Migrated from the geckoview metric of the same name).
bugs:
data_reviews:
notification_emails:
- necko@mozilla.com
- vgosu@mozilla.com
expires: never