tools/metrics/histograms/histograms.xml - Issue 1895983002: Adding UMA metrics to track usage of pointerevents.

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Issue 1895983002: Adding UMA metrics to track usage of pointerevents. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Created 4 years, 8 months ago

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Index: tools/metrics/histograms/histograms.xml

diff --git a/tools/metrics/histograms/histograms.xml b/tools/metrics/histograms/histograms.xml

index 5d280b6b60a9e9873b1a759eb994dd99847f5fca..9451da074e0c7eafa94f3ce35cd63c54426e3d49 100644

--- a/tools/metrics/histograms/histograms.xml

+++ b/tools/metrics/histograms/histograms.xml

@@ -378,6 +378,14 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</summary>

</histogram>

+<histogram name="Android.MultiWindowMode.Active" enum="BooleanEnabled">

bokan 2016/04/21 13:12:11 Ditto on this file, it looks like a bunch of other

sahel 2016/04/21 20:11:19 I had a problem with master branch, and patch bran

+ <owner>twellington@chromium.org</owner>

+ <summary>

+ Records on every metrics upload whether the activity is running in Android N

+ multi-window mode or not.

+ </summary>

+</histogram>

<owner>finkm@chromium.org</owner>

@@ -1542,21 +1550,21 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Count of DnsAttempts before DnsTransaction completes with failure.

</summary>

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Count of DnsAttempts before DnsTransaction completes successfully.

</summary>

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Whether DnsConfigService::OnConfigChange actually corresponded to a change

in DnsConfig.

@@ -1564,45 +1572,45 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Duration of time between calls to DnsConfigService::InvalidateConfig.

</summary>

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

<summary>Duration of time spent parsing DnsConfig.</summary>

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Counts of results of parsing DnsConfig in DnsConfigServicePosix.

</summary>

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

<summary>Whether DnsConfig was parsed successfully.</summary>

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Counts of results of parsing DnsConfig in DnsConfigServiceWin.

</summary>

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Whether the first valid DnsConfig included a rogue nameserver.

</summary>

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Counts of specific error codes returned by DnsTask if a subsequent ProcTask

succeeded, at the end of a streak of failures after which the DnsClient was

@@ -1611,7 +1619,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

TRUE counts the events when a valid DnsConfig is received and used to enable

DnsClient, while FALSE counts the events when DnsClient is disabled after a

@@ -1620,21 +1628,21 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Duration of time spent by ProcTask in failing fallback resolutions.

</summary>

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Duration of time spent by ProcTask in successful fallback resolutions.

</summary>

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Whether there was a valid DNS configuration at the start of a job which

eventually completed successfully.

@@ -1642,12 +1650,12 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

<summary>Whether DnsHosts were parsed successfully.</summary>

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Whether DnsConfigService::OnHostsChange actually corresponded to a change in

DnsHosts.

@@ -1655,33 +1663,33 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Duration of time between calls to DnsConfigService::InvalidateHosts.

</summary>

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

<summary>Duration of time spent parsing DnsHosts.</summary>

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Counts of results of parsing DnsHosts in DnsConfigServiceWin.

</summary>

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

The size of the HOSTS file observed before each attempt to parse it.

</summary>

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Time elapsed between the time the HostResolverImpl::Job was created and the

time the Job was started (using DnsClient).

@@ -1689,7 +1697,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Time elapsed between the time the HostResolverImpl::Job was created and the

time the Job was started (using DnsClient). Includes only Jobs which had

@@ -1698,7 +1706,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Time elapsed between the time the HostResolverImpl::Job was created and the

time the Job was started (using DnsClient). Includes only Jobs which had

@@ -1707,7 +1715,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Time elapsed between the time the HostResolverImpl::Job was created and the

time the Job was started (using DnsClient). Includes only Jobs which had

@@ -1716,7 +1724,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Time elapsed between the time the HostResolverImpl::Job was created and the

time the Job was started (using DnsClient). Includes only Jobs which had

@@ -1725,7 +1733,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Time elapsed between the time the HostResolverImpl::Job was created and the

time the Job was started (using DnsClient). Includes only Jobs which had

@@ -1734,7 +1742,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Time elapsed between the last time the priority of a HostResolverImpl::Job

changed (when a Request was attached or detached) and the time the Job was

@@ -1743,7 +1751,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Time elapsed between the last time the priority of a HostResolverImpl::Job

changed (when a Request was attached or detached) and the time the Job was

@@ -1753,7 +1761,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Time elapsed between the last time the priority of a HostResolverImpl::Job

changed (when a Request was attached or detached) and the time the Job was

@@ -1763,7 +1771,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Time elapsed between the last time the priority of a HostResolverImpl::Job

changed (when a Request was attached or detached) and the time the Job was

@@ -1773,7 +1781,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Time elapsed between the last time the priority of a HostResolverImpl::Job

changed (when a Request was attached or detached) and the time the Job was

@@ -1783,7 +1791,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Time elapsed between the last time the priority of a HostResolverImpl::Job

changed (when a Request was attached or detached) and the time the Job was

@@ -1796,7 +1804,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

Deprecated as of 4/2016.

</obsolete>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Type of nameservers in the DNS config, recorded each time the config is read

by the DNSConfigService.

@@ -1804,7 +1812,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Counts of results of parsing addresses out of DNS responses in successful

DnsTransactions.

@@ -1812,7 +1820,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

The source of the async DNS preference's default. Logged at startup, when

the IO thread is created.

@@ -1820,7 +1828,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

The source of the async DNS preference's value. Logged at startup, when the

IO thread is created.

@@ -1828,7 +1836,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Counts of specific error codes returned by DnsTask if a subsequent ProcTask

succeeded.

@@ -1836,7 +1844,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Duration of time taken by DnsTask in resolutions that failed. Excludes time

spent in the subsequent fallback.

@@ -1844,7 +1852,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Counts of the overall results of using asynchronous DNS in HostResolverImpl.

This only includes jobs started with valid DNS configuration and excludes

@@ -1853,35 +1861,35 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Duration of time taken by DnsTask in resolutions that succeeded.

</summary>

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Same as AsyncDNS.ResolveSuccess, but limited to pure IPv4 lookups.

</summary>

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Same as AsyncDNS.ResolveSuccess, but limited to pure IPv6 lookups.

</summary>

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Same as AsyncDNS.ResolveSuccess, but limited to IPv4/IPv6 lookups.

</summary>

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Count of servers in DnsConfig. Recorded on every new DnsSession, which is

created on DNS change.

@@ -1889,14 +1897,14 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Index in DnsConfig of the failing server, recorded at the time of failure.

</summary>

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Count of server failures after network change before first success in the

DnsSession. Recorded at the time of first success.

@@ -1904,7 +1912,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Count of server failures after success until the end of the session. Server

has reported success at some point during the session. Recorded at the end

@@ -1913,7 +1921,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Count of server failures before success. This is NOT the first success in

the DnsSession. Recorded at the time of success.

@@ -1921,7 +1929,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Count of server failures without success until the end of the session.

Server has never reported success during the DnsSession. Recorded at the end

@@ -1930,14 +1938,14 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

The current server is "good" and does not have to be skipped.

</summary>

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Duration of time taken in failing calls to AddressSorter in dual-stack

resolutions using DnsTask.

@@ -1945,7 +1953,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Duration of time taken in successful calls to AddressSorter in dual-stack

resolutions using DnsTask.

@@ -1953,7 +1961,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

The number of names from the search name list consumed during a successful

transaction (QTYPE A only).

@@ -1961,7 +1969,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

The number of names left on the search name list at the end of a successful

transaction (QTYPE A only).

@@ -1969,7 +1977,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

The number of names on the search name list at the start of a transaction

(QTYPE A only).

@@ -1977,7 +1985,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Duration of time taken by DnsTCPAttempt in failed attempts. Excludes

timeouts.

@@ -1985,42 +1993,42 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Duration of time taken by DnsTCPAttempt in successful attempts.

</summary>

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Difference between RTT and timeout calculated using Histogram algorithm.

</summary>

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Difference between timeout calculated using Histogram algorithm and RTT.

</summary>

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Difference between RTT and timeout calculated using Jacobson algorithm.

</summary>

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Difference between timeout calculated using Jacobson algorithm and RTT.

</summary>

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Duration of time that would be spent waiting for lost request using

Histogram algorithm.

@@ -2028,7 +2036,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Duration of time that would be spent waiting for lost request using Jacobson

algorithm.

@@ -2036,7 +2044,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Duration of time since a HostResolverImpl::Resolve request to the time a

result is posted. Excludes canceled, evicted, and aborted requests. Includes

@@ -2045,7 +2053,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Duration of time since a HostResolverImpl::Resolve request to the time a

result is posted. Excludes canceled, evicted, and aborted requests. Includes

@@ -2054,7 +2062,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Duration of time taken in failing DnsTransactions. This includes server

failures, timeouts and NXDOMAIN results.

@@ -2062,7 +2070,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Duration of time taken in successful DnsTransactions. This includes all

NOERROR answers, even if they indicate the name has no addresses or they

@@ -2071,21 +2079,21 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Same as AsyncDNS.TransactionSuccess but limited to A query type.

</summary>

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Same as AsyncDNS.TransactionSuccess but limited to AAAA query type.

</summary>

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

TTL of the resolved addresses, as in the response received from the server.

For results served from local cache, the TTL is from the original response.

@@ -2093,7 +2101,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Duration of time taken by DnsUDPAttempt in failed attempts. Excludes

timeouts.

@@ -2101,7 +2109,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Duration of time taken by DnsUDPAttempt in successful attempts. Includes

responses arriving after timeout, if multiple attempts are allowed.

@@ -2109,7 +2117,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Duration of time since the last empty config result to the time a non-change

OnConfigChange is received.

@@ -2117,7 +2125,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Duration of time since the last empty config result to the time a non-change

OnHostsChange is received.

@@ -2125,7 +2133,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

The result of DnsConfigService watch. Counts STARTED on every initialization

and FAILED_* on any failure.

@@ -5420,6 +5428,23 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</summary>

</histogram>

+<histogram name="Compositing.Browser.NumActiveLayers" units="layers">

+ <owner>paint-dev@chromium.org</owner>

+ <summary>

+ The number of layers in the active tree for each compositor frame. This is

+ logged once per frame, before the frame is drawn (in a browser process).

+ </summary>

+</histogram>

+<histogram name="Compositing.Browser.NumRenderSurfaces" units="surfaces">

+ <owner>paint-dev@chromium.org</owner>

+ <summary>

+ The number of render surfaces in the render surface layer list. Recorded

+ each time the render surface layer list is constructed (in a browser

+ process).

+ </summary>

+</histogram>

<owner>paint-dev@chromium.org</owner>

@@ -5532,6 +5557,10 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

+ <obsolete>

+ Deprecated 04/2016, replaced by similar metrics under Compositing.Renderer

+ and Compositing.Browser, depending on which process it occurs in.

+ </obsolete>

<owner>dneto@chromium.org</owner>

The number of layers in the active tree for each compositor frame. This is

@@ -5638,6 +5667,23 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</summary>

</histogram>

+<histogram name="Compositing.Renderer.NumActiveLayers" units="layers">

+ <owner>paint-dev@chromium.org</owner>

+ <summary>

+ The number of layers in the active tree for each compositor frame. This is

+ logged once per frame, before the frame is drawn (in a renderer process).

+ </summary>

+</histogram>

+<histogram name="Compositing.Renderer.NumRenderSurfaces" units="surfaces">

+ <owner>paint-dev@chromium.org</owner>

+ <summary>

+ The number of render surfaces in the render surface layer list. Recorded

+ each time the render surface layer list is constructed (in a renderer

+ process).

+ </summary>

+</histogram>

<owner>paint-dev@chromium.org</owner>

@@ -6748,6 +6794,9 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

enum="DataReductionProxyAutoLoFiAccuracy">

<owner>bengr@chromium.org</owner>

<owner>tbansal@chromium.org</owner>

+ <obsolete>

+ Replaced by DataReductionProxy.LoFi.Accuracy.

+ </obsolete>

Counts the accuracy of estimated network quality when using Lo-Fi. Counters

are incremented when a main frame URL request is handled by Data Reduction

@@ -7108,6 +7157,19 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

<summary>Size of Data Reduction Proxy LevelDB measured at startup.</summary>

</histogram>

+<histogram name="DataReductionProxy.LoFi.Accuracy"

+ enum="DataReductionProxyAutoLoFiAccuracy">

+ <owner>bengr@chromium.org</owner>

+ <owner>tbansal@chromium.org</owner>

+ <summary>

+ Records the accuracy of estimated network quality when using Lo-Fi. Network

+ quality predicted at the time of navigation start is compared with the

+ network quality observed during the specified time interval following the

+ start of the navigation. This metric is recorded only when the session is in

+ Lo-Fi enabled field trial.

+ </summary>

+</histogram>

<histogram name="DataReductionProxy.LoFi.ImplicitOptOutAction"

enum="DataReductionProxyLoFiImplicitOptOutAction">

<owner>bengr@chromium.org</owner>

@@ -8497,14 +8559,14 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

The attempt which completed after the job was already cancelled.

</summary>

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

The attempt which completed after the job was already cancelled OR the

attempt that has finished after host resolution was already completed by an

@@ -8513,7 +8575,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Duration of time taken in OS resolutions for actual navigations. These

attempts which completed after the job was already canceled OR after the job

@@ -8523,12 +8585,12 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

<summary>The attempt that has not resolved the host successfully.</summary>

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

The attempt that resolved the host first and the resolution was not

successful.

@@ -8536,19 +8598,19 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

The attempt that resolved the host first and the resolution was successful.

</summary>

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

<summary>The attempt that has resolved the host successfully.</summary>

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Duration of time taken in OS resolutions that succeeded and were requested

for actual navigations. These attempts which completed after the job was

@@ -8559,7 +8621,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

This histogram shows the time saved by having spawned an extra attempt, when

the first attempt didn't finish before retry attempt.

@@ -8567,7 +8629,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

The time left to expiration of an entry when it is removed while compacting

the HostCache.

@@ -8575,7 +8637,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

The time since expiration of an entry when it is removed while compacting

the HostCache.

@@ -8583,7 +8645,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

The time since expiration of an entry when it is removed on lookup.

</summary>

@@ -8591,14 +8653,14 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

<histogram name="DNS.EmptyAddressListAndNoError"

enum="DNSEmptyAddressListAndNoError">

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Error status when an empty address list was found in OnLookupComplete().

</summary>

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

When either a pre-resolution was not done recently enough to provide

benefit, or the corresponding pre-resolution is still pending, this

@@ -8611,7 +8673,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

When either a pre-resolution was not done recently enough to provide

benefit, or the corresponding pre-resolution is still pending, this

@@ -8624,7 +8686,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Time elapsed between the time the HostResolverImpl::Job was created and the

time the Job was started (a getaddrinfo call was dispatched to the thread

@@ -8633,7 +8695,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Time elapsed between the time the HostResolverImpl::Job was created and the

time the Job was started (a getaddrinfo call was dispatched to the thread

@@ -8642,7 +8704,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Time elapsed between the time the HostResolverImpl::Job was created and the

time the Job was started (a getaddrinfo call was dispatched to the thread

@@ -8651,7 +8713,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Time elapsed between the time the HostResolverImpl::Job was created and the

time the Job was started (a getaddrinfo call was dispatched to the thread

@@ -8660,7 +8722,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Time elapsed between the time the HostResolverImpl::Job was created and the

time the Job was started (a getaddrinfo call was dispatched to the thread

@@ -8669,7 +8731,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Time elapsed between the time the HostResolverImpl::Job was created and the

time the Job was started (a getaddrinfo call was dispatched to the thread

@@ -8678,7 +8740,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Time elapsed between the last time the priority of a HostResolverImpl::Job

changed (when a Request was attached or detached) and the time the Job was

@@ -8687,7 +8749,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Time elapsed between the last time the priority of a HostResolverImpl::Job

changed (when a Request was attached or detached) and the time the Job was

@@ -8697,7 +8759,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Time elapsed between the last time the priority of a HostResolverImpl::Job

changed (when a Request was attached or detached) and the time the Job was

@@ -8707,7 +8769,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Time elapsed between the last time the priority of a HostResolverImpl::Job

changed (when a Request was attached or detached) and the time the Job was

@@ -8717,7 +8779,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Time elapsed between the last time the priority of a HostResolverImpl::Job

changed (when a Request was attached or detached) and the time the Job was

@@ -8727,7 +8789,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Time elapsed between the last time the priority of a HostResolverImpl::Job

changed (when a Request was attached or detached) and the time the Job was

@@ -8737,7 +8799,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

The duration of time used (most recently) to pre-resolve a hostname, when

the prefetched resolution was apparently evicted from the cache. The

@@ -8747,7 +8809,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

The duration of time used (most recently) to pre-resolve a hostname, when

the prefetched resolution was apparently evicted from the cache. The

@@ -8757,12 +8819,12 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

<summary>Replaced by DNS.PrefetchFoundNameL.</summary>

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Deprecated 2/2010, and replaced by DNS.PrefetchResolution

</obsolete>

@@ -8779,12 +8841,12 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

<summary>Replaced by DNS.PrefetchNegativeHitL.</summary>

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

The duration of time saved due to DNS pre-resolving in the "name not

found" case. Time "savings" shown in the histogram are

@@ -8802,12 +8864,12 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

<summary>Replaced by DNS.PrefetchPositiveHitL.</summary>

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

The duration of time saved due to DNS pre-resolving in the "name was

found" case, and induced by either a page scan for a link or an omnibox

@@ -8823,7 +8885,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

The duration of time spent by a proposed resolution waiting in the queue to

be resolved. This number is in addition to any DNS resolution time that may

@@ -8832,7 +8894,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

The duration of time saved due to DNS pre-resolving in the "name was

found" case, and induced by predicting (using referrer lists) that a

@@ -8848,7 +8910,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

The duration of time used by the DNS pre-resolving threads to resolve a host

name via the network. Any resolutions that are faster than 15ms are

@@ -8862,7 +8924,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

When, due to congestion avoidance, a queued pre-resolution is abandoned

(recycled) without actually being resolved, this histograms records the age

@@ -8872,7 +8934,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

When, due to congestion avoidance, a queued pre-resolution is abandoned

(recycled) without actually being resolved, this histograms records the age

@@ -8882,14 +8944,14 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Counts of successes and failures of OS resolutions in various categories.

</summary>

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Duration of time taken in OS resolutions for actual navigations. Note that

cached OS resolutions may provide low (0ms?) resolution times.

@@ -8897,22 +8959,22 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

<summary>Same as DNS.ResolveFail, but limited to pure IPv4 lookups.</summary>

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

<summary>Same as DNS.ResolveFail, but limited to pure IPv6 lookups.</summary>

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

<summary>Same as DNS.ResolveFail, but limited to IPv4/IPv6 lookups.</summary>

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Duration of time taken in speculative OS resolutions. Note that cached OS

resolutions may provide low (0ms?) resolution times.

@@ -8920,7 +8982,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Duration of time taken in speculative OS resolution that succeeded. Note

that cached resolutions may provide low (0ms?) resolution times.

@@ -8928,7 +8990,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Duration of time taken in OS resolutions that succeeded and were requested

for actual navigations. Note that cached resolutions may provide low (0ms?)

@@ -8937,28 +8999,28 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Same as DNS.ResolveSuccess, but limited to pure IPv4 lookups.

</summary>

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Same as DNS.ResolveSuccess, but limited to pure IPv6 lookups.

</summary>

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Same as DNS.ResolveSuccess, but limited to IPv4/IPv6 lookups.

</summary>

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Deprecated as of 5/2013.

</obsolete>

@@ -8970,7 +9032,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Duration of time since a HostResolverImpl::Resolve request to the time a

result is posted. Excludes canceled, evicted, and aborted requests. Includes

@@ -8979,7 +9041,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Duration of time since a HostResolverImpl::Resolve request to the time a

result is posted. Excludes canceled, evicted, and aborted requests. Includes

@@ -8988,7 +9050,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

In some cases, such as when content arrives with embedded references to

other servers, the prefetch system can't (or doesn't) attempt to pre-resolve

@@ -9006,7 +9068,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

In some cases, such as when content arrives with embedded references to

other servers, or when a page (such as one in SSL) preclude scanning and

@@ -9025,12 +9087,12 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

<summary>Status of DNS probe updates sent to a DNS error page.</summary>

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Renamed 7/2013 to DnsProbe.ProbeDuration.

</obsolete>

@@ -9038,7 +9100,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Removed 7/2013.

</obsolete>

@@ -9049,7 +9111,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

<histogram name="DnsProbe.Probe.NcnOffline.Result"

enum="DnsProbe.ObsoleteProbeResult">

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Removed 7/2013.

</obsolete>

@@ -9059,7 +9121,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Removed 7/2013.

</obsolete>

@@ -9070,7 +9132,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

<histogram name="DnsProbe.Probe.NcnOnline.Result"

enum="DnsProbe.ObsoleteProbeResult">

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Removed 7/2013.

</obsolete>

@@ -9080,7 +9142,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Renamed 7/2013 to DnsProbe.ProbeResult. (Also switched to the full

DnsProbe.ProbeStatus enum.)

@@ -9089,7 +9151,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Removed 7/2013.

</obsolete>

@@ -9098,7 +9160,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

<histogram name="DnsProbe.Probe.ResultBadConfig.SystemIsLocalhost"

enum="DnsProbe.SystemIsLocalhost">

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Removed 7/2013.

</obsolete>

@@ -9110,7 +9172,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

<histogram name="DnsProbe.Probe.ResultBadConfig.SystemJobResult"

enum="DnsProbe.JobResult">

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Removed 7/2013.

</obsolete>

@@ -9121,7 +9183,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Removed 7/2013.

</obsolete>

@@ -9132,7 +9194,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Removed 7/2013.

</obsolete>

@@ -9140,7 +9202,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Removed 7/2013.

</obsolete>

@@ -9148,7 +9210,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Removed 7/2013.

</obsolete>

@@ -9156,12 +9218,12 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

<summary>Time between starting and finishing DNS probe.</summary>

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

<summary>Result of DNS probes sent by the probe service.</summary>

</histogram>

@@ -9271,7 +9333,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Whether a beacon added to a Domain Reliability context was saved to be

uploaded to the collector.

@@ -9279,7 +9341,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Whether adding a beacon to a Domain Reliability context caused it to evict

an older beacon to stay within memory limits.

@@ -9287,7 +9349,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

The Chrome error code included in a beacon saved to be uploaded to the

collector.

@@ -9296,7 +9358,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

<histogram name="DomainReliability.ReportedBeaconError_HasServerIP"

enum="NetErrorCodes">

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

The Chrome error code included in a beacon with a non-empty server_ip field

saved to be uploaded to the collector.

@@ -9304,7 +9366,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

The index of the collector that a Domain Reliability upload was sent to.

(Later collectors are only used when earlier collectors have failed.)

@@ -9312,7 +9374,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

After an upload to a collector finishes (successfully or not), the delay

before the scheduler can send another upload to that collector. (If recent

@@ -9322,7 +9384,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

The elapsed time between starting and finishing a Domain Reliability upload.

</summary>

@@ -9330,7 +9392,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

<histogram name="DomainReliability.UploadFailover"

enum="DomainReliability.BooleanFailover">

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Deprecated 11/2014; see UploadCollectorIndex

</obsolete>

@@ -9342,7 +9404,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

The time between successive Domain Reliability uploads being started in the

same context. (Can be arbitrarily long if no beacons are reported in a

@@ -9351,7 +9413,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

The time from the first beacon in a Domain Reliability upload being recorded

and that upload completing successfully. (Note that if some beacons are

@@ -9361,7 +9423,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

The network error code (or OK if none) returned by the URLFetcher when a

Domain Reliability report is uploaded.

@@ -9369,7 +9431,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

The HTTP response code returned by the Domain Reliability collector when a

report is uploaded.

@@ -9377,7 +9439,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

<summary>Whether a Domain Reliability upload succeeded.</summary>

</histogram>

@@ -23600,6 +23662,24 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</summary>

</histogram>

+<histogram name="Navigation.SchemePerUniqueOrigin" enum="NavigationScheme">

+ <owner>palmer@chromium.org</owner>

+ <owner>felt@chromium.org</owner>

+ <summary>

+ The scheme of the URL for the first main-frame navigation per origin per

+ non-OffTheRecord session.

+ </summary>

+</histogram>

+<histogram name="Navigation.SchemePerUniqueOriginOTR" enum="NavigationScheme">

+ <owner>palmer@chromium.org</owner>

+ <owner>felt@chromium.org</owner>

+ <summary>

+ The scheme of the URL for the first main-frame navigation per origin per

+ OffTheRecord session.

+ </summary>

+</histogram>

<histogram name="Navigation.Start.RendererBrowserDifference.Negative"

units="ms">

<owner>csharrison@chromium.org</owner>

@@ -26150,28 +26230,28 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Whether adding an entry to the HTTP auth cache evicted another entry.

</summary>

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

When an HTTP auth cache entry is evicted, the time since it was created.

</summary>

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

When an HTTP auth cache entry is evicted, the time since it was last used.

</summary>

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Whether adding a path to an entry in the HTTP auth cache evicted another

path.

@@ -26179,7 +26259,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

When looking up an HTTP auth cache entry by path, the position (1-indexed)

of the entry on a hit, or 0 on a miss.

@@ -26187,7 +26267,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

When looking up an HTTP auth cache entry by realm, the position (1-indexed)

of the entry on a hit, or 0 on a miss.

@@ -28455,7 +28535,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Count of (post-SSL/proxy, pre-filter) kilobytes received per request made by

the browser process.

@@ -28463,7 +28543,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Count of (post-SSL/proxy, pre-filter) kilobytes received per request made by

a renderer process.

@@ -28471,7 +28551,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</histogram>

- <owner>ttuttle@chromium.org</owner>

+ <owner>juliatuttle@chromium.org</owner>

Count of (post-SSL/proxy, pre-filter) kilobytes received per request made by

a process not covered by one of the other ResponseSizeByProcess histograms.

@@ -35644,6 +35724,14 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</summary>

</histogram>

+<histogram name="Permissions.Prompt.Shown" enum="PermissionBubbleType">

+ <owner>benwells@chromium.org</owner>

+ <owner>tsergeant@chromium.org</owner>

+ <summary>

+ Tracks how many times permission prompts are shown to users.

+ </summary>

+</histogram>

<owner>keenanb@google.com</owner>

<owner>jww@chromium.org</owner>

@@ -47106,6 +47194,15 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</summary>

</histogram>

+<histogram name="ServiceWorker.ExtendableMessageEvent.Time" units="ms">

+ <owner>nhiroki@chromium.org</owner>

+ <summary>

+ The time taken between dispatching an ExtendableMessageEvent to a Service

+ Worker and receiving a message that it finished handling the event. Includes

+ the time for the waitUntil() promise to settle.

+ </summary>

+</histogram>

<owner>jeremyarcher@chromium.org</owner>

@@ -47212,6 +47309,9 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

<owner>shimazu@chromium.org</owner>

+ <obsolete>

+ Deprecated 2016-04 in favor of ServiceWorker.ExtendableMessageEvent.Time.

+ </obsolete>

<summary>Execution time of ServiceWorkerGlobalScope.onmessage.</summary>

</histogram>

@@ -47362,6 +47462,32 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</summary>

</histogram>

+<histogram name="ServiceWorker.StartWorker.AfterFailureStreak"

+ enum="ServiceWorkerStatusCode">

+ <owner>falken@chromium.org</owner>

+ <summary>

+ The result of trying to start a service worker after it has failed

+ consecutively. Recorded only for installed workers.

+ </summary>

+</histogram>

+<histogram name="ServiceWorker.StartWorker.FailureStreak" units="count">

+ <owner>falken@chromium.org</owner>

+ <summary>

+ The number of consecutive startup failures of a service worker. Recorded

+ each time the service worker failed (so there is double counting: failing

+ twice results in 1 and 2 being logged). Only for installed workers.

+ </summary>

+</histogram>

+<histogram name="ServiceWorker.StartWorker.FailureStreakEnded" units="count">

+ <owner>falken@chromium.org</owner>

+ <summary>

+ When a worker startup succeeded after failing, the number of times the

+ worker had consecutively failed. Recorded only for installed workers.

+ </summary>

+</histogram>

<histogram name="ServiceWorker.StartWorker.Purpose"

enum="ServiceWorkerMetrics.EventType">

<owner>falken@chromium.org</owner>

@@ -65922,6 +66048,21 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

+ <int value="247" label="cdr"/>

+ <int value="248" label="dart"/>

+ <int value="249" label="dc42"/>

+ <int value="250" label="diskcopy42"/>

+ <int value="251" label="dmg"/>

+ <int value="252" label="dmgpart"/>

+ <int value="253" label="dvdr"/>

+ <int value="254" label="img"/>

+ <int value="255" label="imgpart"/>

+ <int value="256" label="ndif"/>

+ <int value="257" label="smi"/>

+ <int value="258" label="sparsebundle"/>

+ <int value="259" label="sparseimage"/>

+ <int value="260" label="toast"/>

+ <int value="261" label="udif"/>

</enum>

@@ -67065,6 +67206,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

+ <int value="327" label="Enable ending processes in Task Manager"/>

</enum>

@@ -70921,6 +71063,11 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

+ <int value="1306" label="MediaStreamTrackRemote"/>

+ <int value="1307" label="V8Node_IsConnected_AttributeGetter"/>

+ <int value="1308" label="ShadowRootDelegatesFocus"/>

+ <int value="1309" label="MixedShadowRootV0AndV1"/>

+ <int value="1310" label="PointerEventAttributeCount"/>

</enum>

@@ -75539,6 +75686,7 @@ To add a new entry, add it with any value and run test to compute valid value.

+ <int value="-362022976" label="disable-quirks-client"/>

@@ -80005,6 +80153,16 @@ To add a new entry, add it with any value and run test to compute valid value.

</enum>

+<enum name="PermissionBubbleType" type="int">

+ <int value="0" label="PERMISSION_BUBBLE_UNKNOWN"/>

+ <int value="1" label="PERMISSION_BUBBLE_MULTIPLE"/>

+ <int value="2" label="PERMISSION_BUBBLE_PERMISSION"/>

+ <int value="3" label="PERMISSION_BUBBLE_QUOTA"/>

+ <int value="4" label="PERMISSION_BUBBLE_DOWNLOAD"/>

+ <int value="5" label="PERMISSION_BUBBLE_MEDIA_STREAM"/>

+ <int value="6" label="PERMISSION_BUBBLE_REGISTER_PROTOCOL_HANDLER"/>

+</enum>

@@ -80012,7 +80170,7 @@ To add a new entry, add it with any value and run test to compute valid value.

</enum>

- <int value="0" label="PERMISSION_UNKONWN"/>

+ <int value="0" label="PERMISSION_UNKNOWN"/>

@@ -81635,7 +81793,10 @@ To add a new entry, add it with any value and run test to compute valid value.

- <int value="85" label="CONNECTION_MIGRATION_DISABLED"/>

+ <int value="85" label="QUIC_TOO_MANY_RTOS"/>

+ <int value="86" label="QUIC_ERROR_MIGRATING_PORT"/>

+ <int value="87" label="QUIC_OVERLAPPING_STREAM_DATA"/>

+ <int value="88" label="QUIC_ATTEMPT_TO_SEND_UNENCRYPTED_STREAM_DATA"/>

</enum>

@@ -82697,6 +82858,18 @@ To add a new entry, add it with any value and run test to compute valid value.

+ <int value="249" label="SPARSEBUNDLE"/>

+ <int value="250" label="SPARSEIMAGE"/>

+ <int value="251" label="CDR"/>

+ <int value="252" label="DMGPART"/>

+ <int value="253" label="DVDR"/>

+ <int value="254" label="DART"/>

+ <int value="255" label="DC42"/>

+ <int value="256" label="DISKCOPY42"/>

+ <int value="257" label="IMGPART"/>

+ <int value="258" label="NDIF"/>

+ <int value="259" label="UDIF"/>

+ <int value="260" label="TOAST"/>

</enum>

@@ -83949,6 +84122,7 @@ To add a new entry, add it with any value and run test to compute valid value.

+ <int value="38" label="Invalid stream ID."/>

</enum>

@@ -88196,19 +88370,6 @@ To add a new entry, add it with any value and run test to compute valid value.

<affected-histogram name="PLT.LoadType"/>

</histogram_suffixes>

-<histogram_suffixes name="ContentSettingsTypes">

- <suffix name="MidiSysEx" label="Midi SysEx permsision actions"/>

- <suffix name="PushMessaging" label="Push messaging permission actions"/>

- <suffix name="Notifications" label="Notification permission actions"/>

- <suffix name="Geolocation" label="Geolocation permission actions"/>

- <suffix name="ProtectedMedia" label="Protected media permission actions"/>

- <suffix name="DurableStorage" label="Durable Storage permission actions"/>

- <affected-histogram name="ContentSettings.PermissionActions"/>

- <affected-histogram name="ContentSettings.PermissionActionsInsecureOrigin"/>

- <affected-histogram name="ContentSettings.PermissionActionsSecureOrigin"/>

- <affected-histogram name="Permissions.Requested.CrossOrigin"/>

-</histogram_suffixes>

<histogram_suffixes name="ContextMenuType" separator=".">

<suffix name="Link"

label="The context menu was shown for a (non-image) link"/>

@@ -88305,6 +88466,18 @@ To add a new entry, add it with any value and run test to compute valid value.

<affected-histogram name="PLT.PT_StartToFinish"/>

</histogram_suffixes>

+<histogram_suffixes

+ name="DataReductionProxy.LoFi.Accuracy.DifferentRecordingIntervals"

+ separator=".">

+ <suffix name="15"

+ label="Recorded approximately 15 seconds after navigation start"/>

+ <suffix name="30"

+ label="Recorded approximately 30 seconds after navigation start"/>

+ <suffix name="60"

+ label="Recorded approximately 60 seconds after navigation start"/>

+ <affected-histogram name="DataReductionProxy.LoFi.Accuracy"/>

+</histogram_suffixes>

<histogram_suffixes name="DataReductionProxy.MimeType">

<suffix name="Unknown"

@@ -88335,7 +88508,13 @@ To add a new entry, add it with any value and run test to compute valid value.

<affected-histogram name="DataReductionProxy.AutoLoFiAccuracy"/>

+ <obsolete>

+ Replaced by DataReductionProxy.LoFi.Accuracy.

+ </obsolete>

<affected-histogram name="DataReductionProxy.AutoLoFiRequestHeaderState"/>

+ <affected-histogram name="DataReductionProxy.LoFi.Accuracy.15"/>

+ <affected-histogram name="DataReductionProxy.LoFi.Accuracy.30"/>

+ <affected-histogram name="DataReductionProxy.LoFi.Accuracy.60"/>

<affected-histogram name="DataReductionProxy.LoFi.ImplicitOptOutAction"/>

</histogram_suffixes>

@@ -91307,6 +91486,13 @@ To add a new entry, add it with any value and run test to compute valid value.

ordering="prefix">

<suffix name="Clients.FromGWS"

label="PageLoadMetrics that are a result of a navigation from a Google

+ web search">

+ <obsolete>

+ Deprecated in favor of Clients.FromGWS2.

+ </obsolete>

+ </suffix>

+ <suffix name="Clients.FromGWS2"

+ label="PageLoadMetrics that are a result of a navigation from a Google

web search"/>

<suffix name="Clients.DocWrite.Evaluator"

label="PageLoadMetrics from a page that could have been evaluated by

@@ -91528,9 +91714,13 @@ To add a new entry, add it with any value and run test to compute valid value.

+ <affected-histogram name="ContentSettings.PermissionActions"/>

+ <affected-histogram name="ContentSettings.PermissionActionsInsecureOrigin"/>

+ <affected-histogram name="ContentSettings.PermissionActionsSecureOrigin"/>

<affected-histogram name="Permissions.Action"/>

<affected-histogram name="Permissions.Action.InsecureOrigin"/>

<affected-histogram name="Permissions.Action.SecureOrigin"/>

+ <affected-histogram name="Permissions.Requested.CrossOrigin"/>

</histogram_suffixes>

<histogram_suffixes name="PhysicalWebDebugActions" separator=".">

@@ -92550,6 +92740,13 @@ To add a new entry, add it with any value and run test to compute valid value.

<affected-histogram name="interstitial.interaction"/>

</histogram_suffixes>

+<histogram_suffixes name="ServiceWorker.FailureStreak">

+ <affected-histogram name="ServiceWorker.StartWorker.AfterFailureStreak"/>

+ <suffix name="1" label="Failed one time."/>

+ <suffix name="2" label="Failed two times."/>

+ <suffix name="3" label="Failed three times."/>

+</histogram_suffixes>

<histogram_suffixes name="ServiceWorker.StartSituation">

<affected-histogram name="EmbeddedWorkerInstance.Start.TimeToEvaluateScript"/>

<affected-histogram name="EmbeddedWorkerInstance.Start.TimeToLoad.HttpCache"/>

@@ -93147,6 +93344,14 @@ To add a new entry, add it with any value and run test to compute valid value.

label="Video codec: VP8. QP range: 0-127. Spatial index 1."/>

<suffix name="Vp8.S2"

label="Video codec: VP8. QP range: 0-127. Spatial index 2."/>

+ <suffix name="Vp9"

+ label="Video codec: VP9. QP range: 0-255. No spatial layers."/>

+ <suffix name="Vp9.S0"

+ label="Video codec: VP9. QP range: 0-255. Spatial layer 0."/>

+ <suffix name="Vp9.S1"

+ label="Video codec: VP9. QP range: 0-255. Spatial layer 1."/>

+ <suffix name="Vp9.S2"

+ label="Video codec: VP9. QP range: 0-255. Spatial layer 2."/>

<affected-histogram name="WebRTC.Video.Encoded.Qp"/>

</histogram_suffixes>

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