| Index: tools/metrics/histograms/histograms.xml
|
| diff --git a/tools/metrics/histograms/histograms.xml b/tools/metrics/histograms/histograms.xml
|
| index 8a5aa3876f9ba4c15cf0317a6ff183d5661507b6..2967a0eef402e8ee64ea60ca2b4fab0949bcfd90 100644
|
| --- a/tools/metrics/histograms/histograms.xml
|
| +++ b/tools/metrics/histograms/histograms.xml
|
| @@ -55,6 +55,358 @@ other types of suffix sets.
|
|
|
| <histograms>
|
|
|
| +<histogram name="AsyncDNS.ConfigChange" enum="BooleanSuccess">
|
| + <summary>
|
| + Whether DnsConfigService::OnConfigChange actually corresponded to a change
|
| + in DnsConfig.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="AsyncDNS.ConfigNotifyInterval" units="milliseconds">
|
| + <summary>
|
| + Duration of time between calls to DnsConfigService::InvalidateConfig.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="AsyncDNS.ConfigParseDuration" units="milliseconds">
|
| + <summary>Duration of time spent parsing DnsConfig.</summary>
|
| +</histogram>
|
| +
|
| +<histogram name="AsyncDNS.ConfigParsePosix" enum="AsyncDNSConfigParsePosix">
|
| + <summary>
|
| + Counts of results of parsing DnsConfig in DnsConfigServicePosix.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="AsyncDNS.ConfigParseResult" enum="BooleanSuccess">
|
| + <summary>Whether DnsConfig was parsed successfully.</summary>
|
| +</histogram>
|
| +
|
| +<histogram name="AsyncDNS.ConfigParseWin" enum="AsyncDNSConfigParseWin">
|
| + <summary>
|
| + Counts of results of parsing DnsConfig in DnsConfigServiceWin.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="AsyncDNS.DNSChangerDetected" enum="BooleanSuccess">
|
| + <summary>
|
| + Whether the first valid DnsConfig included a rogue nameserver.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="AsyncDNS.DnsClientDisabledReason" enum="NetErrorCodes">
|
| + <summary>
|
| + 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
|
| + disabled.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="AsyncDNS.DnsClientEnabled" enum="BooleanSuccess">
|
| + <summary>
|
| + 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
|
| + series of successful fallbacks from DnsTask to ProcTask.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="AsyncDNS.FallbackFail" units="milliseconds">
|
| + <summary>
|
| + Duration of time spent by ProcTask in failing fallback resolutions.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="AsyncDNS.FallbackSuccess" units="milliseconds">
|
| + <summary>
|
| + Duration of time spent by ProcTask in successful fallback resolutions.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="AsyncDNS.HaveDnsConfig" enum="BooleanSuccess">
|
| + <summary>
|
| + Whether there was a valid DNS configuration at the start of a job which
|
| + eventually completed successfully.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="AsyncDNS.HostParseResult" enum="BooleanSuccess">
|
| + <summary>Whether DnsHosts were parsed successfully.</summary>
|
| +</histogram>
|
| +
|
| +<histogram name="AsyncDNS.HostsChange" enum="BooleanSuccess">
|
| + <summary>
|
| + Whether DnsConfigService::OnHostsChange actually corresponded to a change in
|
| + DnsHosts.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="AsyncDNS.HostsNotifyInterval" units="milliseconds">
|
| + <summary>
|
| + Duration of time between calls to DnsConfigService::InvalidateHosts.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="AsyncDNS.HostsParseDuration" units="milliseconds">
|
| + <summary>Duration of time spent parsing DnsHosts.</summary>
|
| +</histogram>
|
| +
|
| +<histogram name="AsyncDNS.HostsParseWin" enum="AsyncDNSHostsParseWin">
|
| + <summary>
|
| + Counts of results of parsing DnsHosts in DnsConfigServiceWin.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="AsyncDNS.HostsSize" units="bytes">
|
| + <summary>
|
| + The size of the HOSTS file observed before each attempt to parse it.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="AsyncDNS.JobQueueTime" units="milliseconds">
|
| + <summary>
|
| + Time elapsed between the time the HostResolverImpl::Job was created and the
|
| + time the Job was started (using DnsClient).
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="AsyncDNS.JobQueueTime_HIGHEST" units="milliseconds">
|
| + <summary>
|
| + Time elapsed between the time the HostResolverImpl::Job was created and the
|
| + time the Job was started (using DnsClient). Includes only Jobs which had
|
| + priority HIGHEST when started.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="AsyncDNS.JobQueueTime_IDLE" units="milliseconds">
|
| + <summary>
|
| + Time elapsed between the time the HostResolverImpl::Job was created and the
|
| + time the Job was started (using DnsClient). Includes only Jobs which had
|
| + priority IDLE when started.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="AsyncDNS.JobQueueTime_LOW" units="milliseconds">
|
| + <summary>
|
| + Time elapsed between the time the HostResolverImpl::Job was created and the
|
| + time the Job was started (using DnsClient). Includes only Jobs which had
|
| + priority LOW when started.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="AsyncDNS.JobQueueTime_LOWEST" units="milliseconds">
|
| + <summary>
|
| + Time elapsed between the time the HostResolverImpl::Job was created and the
|
| + time the Job was started (using DnsClient). Includes only Jobs which had
|
| + priority LOWEST when started.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="AsyncDNS.JobQueueTime_MEDIUM" units="milliseconds">
|
| + <summary>
|
| + Time elapsed between the time the HostResolverImpl::Job was created and the
|
| + time the Job was started (using DnsClient). Includes only Jobs which had
|
| + priority MEDIUM when started.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="AsyncDNS.JobQueueTimeAfterChange" units="milliseconds">
|
| + <summary>
|
| + 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
|
| + started (using DnsClient).
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="AsyncDNS.JobQueueTimeAfterChange_HIGHEST" units="milliseconds">
|
| + <summary>
|
| + 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
|
| + started (using DnsClient). Includes only Jobs which had priority HIGHEST
|
| + when started.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="AsyncDNS.JobQueueTimeAfterChange_IDLE" units="milliseconds">
|
| + <summary>
|
| + 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
|
| + started (using DnsClient). Includes only Jobs which had priority IDLE when
|
| + started.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="AsyncDNS.JobQueueTimeAfterChange_LOW" units="milliseconds">
|
| + <summary>
|
| + 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
|
| + started (using DnsClient). Includes only Jobs which had priority LOW when
|
| + started.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="AsyncDNS.JobQueueTimeAfterChange_LOWEST" units="milliseconds">
|
| + <summary>
|
| + 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
|
| + started (using DnsClient). Includes only Jobs which had priority LOWEST when
|
| + started.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="AsyncDNS.JobQueueTimeAfterChange_MEDIUM" units="milliseconds">
|
| + <summary>
|
| + 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
|
| + started (using DnsClient). Includes only Jobs which had priority MEDIUM when
|
| + started.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="AsyncDNS.ParseToAddressList" enum="AsyncDNSParseResult">
|
| + <summary>
|
| + Counts of results of parsing addresses out of DNS responses in successful
|
| + DnsTransactions.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="AsyncDNS.ResolveError" enum="NetErrorCodes">
|
| + <summary>
|
| + Counts of specific error codes returned by DnsTask if a subsequent ProcTask
|
| + succeeded.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="AsyncDNS.ResolveFail" units="milliseconds">
|
| + <summary>
|
| + Duration of time taken by DnsTask in resolutions that failed. Excludes time
|
| + spent in the subsequent fallback.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="AsyncDNS.ResolveStatus" enum="AsyncDNSResolveStatus">
|
| + <summary>
|
| + Counts of the overall results of using asynchronous DNS in HostResolverImpl.
|
| + This only includes jobs started with valid DNS configuration and excludes
|
| + synchronous resolutions (as IP literals, from cache, and from HOSTS).
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="AsyncDNS.ResolveSuccess" units="milliseconds">
|
| + <summary>
|
| + Duration of time taken by DnsTask in resolutions that succeeded.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="AsyncDNS.ResolveSuccess_FAMILY_IPV4" units="milliseconds">
|
| + <summary>
|
| + Same as AsyncDNS.ResolveSuccess, but limited to pure IPv4 lookups.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="AsyncDNS.ResolveSuccess_FAMILY_IPV6" units="milliseconds">
|
| + <summary>
|
| + Same as AsyncDNS.ResolveSuccess, but limited to pure IPv6 lookups.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="AsyncDNS.ResolveSuccess_FAMILY_UNSPEC" units="milliseconds">
|
| + <summary>
|
| + Same as AsyncDNS.ResolveSuccess, but limited to IPv4/IPv6 lookups.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="AsyncDNS.SortFailure" units="milliseconds">
|
| + <summary>
|
| + Duration of time taken in failing calls to AddressSorter in dual-stack
|
| + resolutions using DnsTask.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="AsyncDNS.SortSuccess" units="milliseconds">
|
| + <summary>
|
| + Duration of time taken in successful calls to AddressSorter in dual-stack
|
| + resolutions using DnsTask.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="AsyncDNS.TotalTime" units="milliseconds">
|
| + <summary>
|
| + Duration of time since a HostResolverImpl::Resolve request to the time a
|
| + result is posted. Excludes canceled, evicted, and aborted requests. Includes
|
| + cache hits (recorded as 0). Excludes speculative requests.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="AsyncDNS.TotalTime_speculative" units="milliseconds">
|
| + <summary>
|
| + Duration of time since a HostResolverImpl::Resolve request to the time a
|
| + result is posted. Excludes canceled, evicted, and aborted requests. Includes
|
| + cache hits (recorded as 0). Speculative requests only.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="AsyncDNS.TransactionFailure" units="milliseconds">
|
| + <summary>
|
| + Duration of time taken in failing DnsTransactions. This includes server
|
| + failures, timeouts and NXDOMAIN results.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="AsyncDNS.TransactionSuccess" units="milliseconds">
|
| + <summary>
|
| + Duration of time taken in successful DnsTransactions. This includes all
|
| + NOERROR answers, even if they indicate the name has no addresses or they
|
| + cannot be parsed.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="AsyncDNS.TransactionSuccess_A" units="milliseconds">
|
| + <summary>
|
| + Same as AsyncDNS.TransactionSuccess but limited to A query type.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="AsyncDNS.TransactionSuccess_AAAA" units="milliseconds">
|
| + <summary>
|
| + Same as AsyncDNS.TransactionSuccess but limited to AAAA query type.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="AsyncDNS.TTL" units="milliseconds">
|
| + <summary>
|
| + 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.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="AsyncDNS.UDPAttemptFail" units="milliseconds">
|
| + <summary>
|
| + Duration of time taken by DnsUDPAttempt in failed attempts. Excludes
|
| + timeouts.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="AsyncDNS.UDPAttemptSuccess" units="milliseconds">
|
| + <summary>
|
| + Duration of time taken by DnsUDPAttempt in successful attempts. Includes
|
| + responses arriving after timeout, if multiple attempts are allowed.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="AsyncDNS.UnchangedConfigInterval" units="milliseconds">
|
| + <summary>
|
| + Duration of time since the last empty config result to the time a non-change
|
| + OnConfigChange is received.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="AsyncDNS.UnchangedHostsInterval" units="milliseconds">
|
| + <summary>
|
| + Duration of time since the last empty config result to the time a non-change
|
| + OnHostsChange is received.
|
| + </summary>
|
| +</histogram>
|
| +
|
| <histogram name="Autocheckout.Bubble" enum="AutocheckoutBubble">
|
| <summary>
|
| Measures the frequency of user interactions with the Autocheckout bubble,
|
| @@ -494,6 +846,539 @@ other types of suffix sets.
|
| </summary>
|
| </histogram>
|
|
|
| +<histogram name="DNS.AttemptCancelled">
|
| + <summary>
|
| + The attempt which completed after the job was already cancelled.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DNS.AttemptDiscarded">
|
| + <summary>
|
| + The attempt which completed after the job was already cancelled OR the
|
| + attempt that has finished after host resolution was already completed by an
|
| + earlier attempt.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DNS.AttemptFailDuration" units="milliseconds">
|
| + <summary>
|
| + Duration of time taken in OS resolutions for actual navigations. These
|
| + attempts which completed after the job was already canceled OR after the job
|
| + was already completed by an earlier attempt. Note that cached resolutions
|
| + may provide low (0ms?) resolution times.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DNS.AttemptFailure">
|
| + <summary>The attempt that has not resolved the host successfully.</summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DNS.AttemptFirstFailure">
|
| + <summary>
|
| + The attempt that resolved the host first and the resolution was not
|
| + successful.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DNS.AttemptFirstSuccess">
|
| + <summary>
|
| + The attempt that resolved the host first and the resolution was successful.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DNS.AttemptSuccess">
|
| + <summary>The attempt that has resolved the host successfully.</summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DNS.AttemptSuccessDuration" units="milliseconds">
|
| + <summary>
|
| + Duration of time taken in OS resolutions that succeeded and were requested
|
| + for actual navigations. These attempts which completed after the job was
|
| + already canceled OR after the job was already completed by an earlier
|
| + attempt. Note that cached resolutions may provide low (0ms?) resolution
|
| + times.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DNS.AttemptTimeSavedByRetry" units="milliseconds">
|
| + <summary>
|
| + This histogram shows the time saved by having spawned an extra attempt, when
|
| + the first attempt didn't finish before retry attempt.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DNS.CacheEvicted" units="milliseconds">
|
| + <summary>
|
| + The time left to expiration of an entry when it is removed while compacting
|
| + the HostCache.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DNS.CacheExpired" units="milliseconds">
|
| + <summary>
|
| + The time since expiration of an entry when it is removed while compacting
|
| + the HostCache.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DNS.CacheExpiredOnGet" units="milliseconds">
|
| + <summary>
|
| + The time since expiration of an entry when it is removed on lookup.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DNS.IndependentFailedNavigation" units="milliseconds">
|
| + <summary>
|
| + When either a pre-resolution was not done recently enough to provide
|
| + benefit, or the the corresponding pre-resolution is still pending, this
|
| + histogram shows the duration of time used to resolve a hostname as not
|
| + existing during a failed attempt to navigate to (GET) a URL. In newer
|
| + versions, if the hostname has never been found as a link during a page scan,
|
| + and it has a referring URL, then it is added to referrer list data structure
|
| + (hoping we'll do better next time).
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DNS.IndependentNavigation" units="milliseconds">
|
| + <summary>
|
| + When either a pre-resolution was not done recently enough to provide
|
| + benefit, or the the corresponding pre-resolution is still pending, this
|
| + histogram shows the duration of the duration of time used to resolve a
|
| + hostname to navigate to (GET) a URL. In newer versions, if the hostname has
|
| + never been found as a link during a page scan, and it has a referring URL,
|
| + then it is added to referrer list data structure (hoping we'll do better
|
| + next time).
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DNS.JobQueueTime" units="milliseconds">
|
| + <summary>
|
| + 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
|
| + pool).
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DNS.JobQueueTime_HIGHEST" units="milliseconds">
|
| + <summary>
|
| + 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
|
| + pool). Includes only Jobs which had priority HIGHEST when started.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DNS.JobQueueTime_IDLE" units="milliseconds">
|
| + <summary>
|
| + 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
|
| + pool). Includes only Jobs which had priority IDLE when started.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DNS.JobQueueTime_LOW" units="milliseconds">
|
| + <summary>
|
| + 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
|
| + pool). Includes only Jobs which had priority LOW when started.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DNS.JobQueueTime_LOWEST" units="milliseconds">
|
| + <summary>
|
| + 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
|
| + pool). Includes only Jobs which had priority LOWEST when started.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DNS.JobQueueTime_MEDIUM" units="milliseconds">
|
| + <summary>
|
| + 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
|
| + pool). Includes only Jobs which had priority MEDIUM when started.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DNS.JobQueueTimeAfterChange" units="milliseconds">
|
| + <summary>
|
| + 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
|
| + started (a getaddrinfo call was dispatched to the thread pool).
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DNS.JobQueueTimeAfterChange_HIGHEST" units="milliseconds">
|
| + <summary>
|
| + 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
|
| + started (a getaddrinfo call was dispatched to the thread pool). Includes
|
| + only Jobs which had priority HIGHEST when started.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DNS.JobQueueTimeAfterChange_IDLE" units="milliseconds">
|
| + <summary>
|
| + 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
|
| + started (a getaddrinfo call was dispatched to the thread pool). Includes
|
| + only Jobs which had priority IDLE when started.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DNS.JobQueueTimeAfterChange_LOW" units="milliseconds">
|
| + <summary>
|
| + 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
|
| + started (a getaddrinfo call was dispatched to the thread pool). Includes
|
| + only Jobs which had priority LOW when started.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DNS.JobQueueTimeAfterChange_LOWEST" units="milliseconds">
|
| + <summary>
|
| + 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
|
| + started (a getaddrinfo call was dispatched to the thread pool). Includes
|
| + only Jobs which had priority LOWEST when started.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DNS.JobQueueTimeAfterChange_MEDIUM" units="milliseconds">
|
| + <summary>
|
| + 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
|
| + started (a getaddrinfo call was dispatched to the thread pool). Includes
|
| + only Jobs which had priority MEDIUM when started.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DNS.PrefetchCacheEviction" units="milliseconds">
|
| + <summary>
|
| + The duration of time used (most recently) to pre-resolve a hostname, when
|
| + the prefetched resolution was apparently evicted from the cache. The
|
| + included samples only list pre-resolution times when the later
|
| + navigations/fetches took in excess of 15ms.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DNS.PrefetchCacheEvictionL" units="milliseconds">
|
| + <summary>
|
| + The duration of time used (most recently) to pre-resolve a hostname, when
|
| + the prefetched resolution was apparently evicted from the cache. The
|
| + included samples only list pre-resolution times when the later
|
| + navigations/fetches took in excess of 15ms.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DNS.PrefetchFoundName">
|
| + <summary>Replaced by DNS.PrefetchFoundNameL.</summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DNS.PrefetchFoundNameL" units="milliseconds">
|
| + <obsolete>
|
| + Deprecated 2/2010, and replaced by DNS.PrefetchResolution
|
| + </obsolete>
|
| + <summary>
|
| + 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
|
| + considered to be local cache hits, not requiring network access, and are not
|
| + included in this histogram. This histogram is most useful for estimating the
|
| + typical cost of a name resolution, but it also estimates the total number of
|
| + network-based resolutions induced by this feature. Not all these
|
| + resolutions prove helpful (i.e., the user does not always actually visit the
|
| + resolved hostnames).
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DNS.PrefetchNegativeHit">
|
| + <summary>Replaced by DNS.PrefetchNegativeHitL.</summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DNS.PrefetchNegativeHitL" units="milliseconds">
|
| + <summary>
|
| + The duration of time saved due to DNS pre-resolving in the "name not
|
| + found" case. Time "savings" shown in the histogram are
|
| + defined to be the difference between the DNS pre-resolution duration, and
|
| + the DNS resolution duration seen during a navigation. These cache hits only
|
| + list events where the DNS pre-resolve duration for a host was in excess of
|
| + 15ms (i.e., the network was consulted), and the actual DNS resolution (when
|
| + a user attempted to navigate to a link with the same host name) took less
|
| + than 15ms (i.e., the network was not consulted), which means the gain was a
|
| + result of a "cache hit" in the OS cache. For some users with
|
| + LANs, all negative results (even when the DNS cache might otherwise help)
|
| + take about 2.5 seconds (due to timeouts for netbios broadcasts), and hence
|
| + no savings are possible (or shown) for such users in this category.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DNS.PrefetchPositiveHit">
|
| + <summary>Replaced by DNS.PrefetchPositiveHitL.</summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DNS.PrefetchPositiveHitL" units="milliseconds">
|
| + <summary>
|
| + 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
|
| + entry by the user. Time "savings" shown in the histogram are
|
| + defined to be the difference between the DNS pre-resolution duration, and
|
| + the DNS resolution duration seen during a navigation. These cache hits only
|
| + list events where the DNS pre-resolve duration for a host was in excess of
|
| + 15ms (i.e., the network was consulted), and the actual DNS resolution (when
|
| + a user attempted to navigate to a link with the same host name) took less
|
| + than 15ms (i.e., the network was not consulted), which means the gain was a
|
| + result of a "cache hit" in the OS cache.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DNS.PrefetchQueue" units="milliseconds">
|
| + <summary>
|
| + 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
|
| + come later.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DNS.PrefetchReferredPositiveHit" units="milliseconds">
|
| + <summary>
|
| + 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
|
| + resolution was needed. Time "savings" shown in the histogram are
|
| + defined to be the difference between the DNS pre-resolution duration, and
|
| + the DNS resolution duration seen during a navigation. These cache hits only
|
| + list events where the DNS pre-resolve duration for a host was in excess of
|
| + 15ms (i.e., the network was consulted), and the actual DNS resolution (when
|
| + a user attempted to navigate to a link with the same host name) took less
|
| + than 15ms (i.e., the network was not consulted), which means the gain was a
|
| + result of a "cache hit" in the OS cache.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DNS.PrefetchResolution" units="milliseconds">
|
| + <summary>
|
| + 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
|
| + considered to be local cache hits, not requiring network access, and are not
|
| + included in this histogram. This histogram is most useful for estimating the
|
| + typical cost of a name resolution, but it also estimates the total number of
|
| + network-based resolutions induced by this feature. Not all these
|
| + resolutions prove helpful (i.e., the user does not always actually visit the
|
| + resolved hostnames).
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DNS.QueueRecycledDeltaOver2">
|
| + <summary>
|
| + When, due to congestion avoidance, a queued pre-resolution is abandoned
|
| + (recycled) without actually being resolved, this histograms records the age
|
| + in the queue of that entry. Only times over 2 seconds are recorded in this
|
| + histogram.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DNS.QueueRecycledUnder2">
|
| + <summary>
|
| + When, due to congestion avoidance, a queued pre-resolution is abandoned
|
| + (recycled) without actually being resolved, this histograms records the age
|
| + in the queue of that entry. Only times less than or equal to 2 seconds are
|
| + recorded in this histogram.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DNS.ResolveCategory" enum="ResolutionCategory">
|
| + <summary>
|
| + Counts of successes and failures of OS resolutions in various categories.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DNS.ResolveFail" units="milliseconds">
|
| + <summary>
|
| + Duration of time taken in OS resolutions for actual navigations. Note that
|
| + cached OS resolutions may provide low (0ms?) resolution times.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DNS.ResolveFail_FAMILY_IPV4" units="milliseconds">
|
| + <summary>Same as DNS.ResolveFail, but limited to pure IPv4 lookups.</summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DNS.ResolveFail_FAMILY_IPV6" units="milliseconds">
|
| + <summary>Same as DNS.ResolveFail, but limited to pure IPv6 lookups.</summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DNS.ResolveFail_FAMILY_UNSPEC" units="milliseconds">
|
| + <summary>Same as DNS.ResolveFail, but limited to IPv4/IPv6 lookups.</summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DNS.ResolveSpeculativeFail" units="milliseconds">
|
| + <summary>
|
| + Duration of time taken in speculative OS resolutions. Note that cached OS
|
| + resolutions may provide low (0ms?) resolution times.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DNS.ResolveSpeculativeSuccess" units="milliseconds">
|
| + <summary>
|
| + Duration of time taken in speculative OS resolution that succeeded. Note
|
| + that cached resolutions may provide low (0ms?) resolution times.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DNS.ResolveSuccess" units="milliseconds">
|
| + <summary>
|
| + Duration of time taken in OS resolutions that succeeded and were requested
|
| + for actual navigations. Note that cached resolutions may provide low (0ms?)
|
| + resolution times.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DNS.ResolveSuccess_FAMILY_IPV4" units="milliseconds">
|
| + <summary>
|
| + Same as DNS.ResolveSuccess, but limited to pure IPv4 lookups.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DNS.ResolveSuccess_FAMILY_IPV6" units="milliseconds">
|
| + <summary>
|
| + Same as DNS.ResolveSuccess, but limited to pure IPv6 lookups.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DNS.ResolveSuccess_FAMILY_UNSPEC" units="milliseconds">
|
| + <summary>
|
| + Same as DNS.ResolveSuccess, but limited to IPv4/IPv6 lookups.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DNS.ResolveUnspecWaste" enum="ResolutionUnspecWasteCategory">
|
| + <summary>
|
| + Counts of hits and misses in the DNS cache and DNS jobs pool of wasted
|
| + HostResolverImpl::Jobs that could be avoided by always resolving using
|
| + AF_UNSPEC.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DNS.TotalTime" units="milliseconds">
|
| + <summary>
|
| + Duration of time since a HostResolverImpl::Resolve request to the time a
|
| + result is posted. Excludes canceled, evicted, and aborted requests. Includes
|
| + cache hits (recorded as 0). Excludes speculative requests.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DNS.TotalTime_speculative" units="milliseconds">
|
| + <summary>
|
| + Duration of time since a HostResolverImpl::Resolve request to the time a
|
| + result is posted. Excludes canceled, evicted, and aborted requests. Includes
|
| + cache hits (recorded as 0). Speculative requests only.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DNS.UnexpectedResolution">
|
| + <summary>
|
| + 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
|
| + the hostnames. As an example, a visit to www.cnn.com will fetch content
|
| + with references to about 12 additional hostnames, none of which are
|
| + currently anticipated. Such resolutions are termed "Unexpected
|
| + Resolutions," and the durations associated with those DNS resolutions
|
| + are shown below. Future features may attempt to learn (from prior
|
| + experience locally, or from server provided hints), what secondary hostname
|
| + resolutions should be done when a primary resolution (or navigation) takes
|
| + place. This histogram shows what the potential savings are that
|
| + "remain on the table" until we employ some of these more advanced
|
| + features.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DNS.UnexpectedResolutionL">
|
| + <summary>
|
| + 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
|
| + prefetching, the prefetch system can't (or doesn't) attempt to pre-resolve
|
| + the hostnames. As an example, a visit to www.cnn.com will fetch content
|
| + with references to about 12 additional hostnames, none of which might be
|
| + anticipated. Similarly, clicking on a link in an SSL page won't be
|
| + anticipated (since scanning in not allowed by default). Such resolutions are
|
| + termed "Unexpected Resolutions," and the durations associated with
|
| + those navigation induced DNS resolutions are shown below. If a referring
|
| + URL is available for the navigation, the relationship to the referring URL
|
| + was recorded, and future navigations to the referring hostname would have
|
| + induced a pre-resolution of hostname that caused an entry below. Such any
|
| + entry may facilitate future listing in the ReferredPositiveHit histogram.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DnsProbe.Probe.Elapsed" units="ms">
|
| + <summary>Time between starting and finishing DNS probe.</summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DnsProbe.Probe.NcnOffline.Elapsed" units="ms">
|
| + <summary>
|
| + Time between starting and finishing DNS probe when NCN says we're offline.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DnsProbe.Probe.NcnOffline.Result" enum="DnsProbe.Probe.Result">
|
| + <summary>
|
| + Result of DNS probes sent by the probe service when NCN says we're offline.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DnsProbe.Probe.NcnOnline.Elapsed" units="ms">
|
| + <summary>
|
| + Time between starting and finishing DNS probe when NCN says we're online.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DnsProbe.Probe.NcnOnline.Result" enum="DnsProbe.Probe.Result">
|
| + <summary>
|
| + Result of DNS probes sent by the probe service when NCN says we're online.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DnsProbe.Probe.Result" enum="DnsProbe.Probe.Result">
|
| + <summary>Result of DNS probes sent by the probe service.</summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DnsProbe.Probe.ResultBadConfig.Elapsed" units="ms">
|
| + <summary>Elapsed time of DNS probes that return PROBE_BAD_CONFIG.</summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DnsProbe.Probe.ResultBadConfig.SystemIsLocalhost"
|
| + enum="DnsProbe.Probe.SystemIsLocalhost">
|
| + <summary>
|
| + Whether the only nameserver in the system DNS config was 127.0.0.1 when the
|
| + probe result was BAD_CONFIG.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DnsProbe.Probe.ResultBadConfig.SystemJobResult"
|
| + enum="DnsProbe.Job.Result">
|
| + <summary>
|
| + The result of the system probe job when the overall probe result was
|
| + BAD_CONFIG.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DnsProbe.Probe.ResultBadConfig.SystemNameserverCount">
|
| + <summary>
|
| + The number of nameservers in the system DNS config when the probe result was
|
| + BAD_CONFIG.
|
| + </summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DnsProbe.Probe.ResultNoInternet.Elapsed" units="ms">
|
| + <summary>Elapsed time of DNS probes that return PROBE_NO_INTERNET.</summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DnsProbe.Probe.ResultNxdomain.Elapsed" units="ms">
|
| + <summary>Elapsed time of DNS probes that return PROBE_NXDOMAIN.</summary>
|
| +</histogram>
|
| +
|
| +<histogram name="DnsProbe.Probe.ResultUnknown.Elapsed" units="ms">
|
| + <summary>Elapsed time of DNS probes that return PROBE_UNKNOWN.</summary>
|
| +</histogram>
|
| +
|
| <histogram name="DomainBoundCerts.DBLoadedCount">
|
| <summary>Number of certs loaded from domain bound cert database.</summary>
|
| </histogram>
|
| @@ -7613,6 +8498,64 @@ other types of suffix sets.
|
| <int value="3" label="LowMemory"/>
|
| </enum>
|
|
|
| +<enum name="AsyncDNSConfigParsePosix" type="int">
|
| + <int value="0" label="OK"/>
|
| + <int value="1" label="RES_INIT_FAILED"/>
|
| + <int value="2" label="RES_INIT_UNSET"/>
|
| + <int value="3" label="BAD_ADDRESS"/>
|
| + <int value="4" label="BAD_EXT_STRUCT"/>
|
| + <int value="5" label="NULL_ADDRESS"/>
|
| + <int value="6" label="NO_NAMESERVERS"/>
|
| + <int value="7" label="MISSING_OPTIONS"/>
|
| + <int value="8" label="UNHANDLED_OPTIONS"/>
|
| +</enum>
|
| +
|
| +<enum name="AsyncDNSConfigParseWin" type="int">
|
| + <int value="0" label="OK"/>
|
| + <int value="1" label="READ_IPHELPER"/>
|
| + <int value="2" label="READ_POLICY_SEARCHLIST"/>
|
| + <int value="3" label="READ_TCPIP_SEARCHLIST"/>
|
| + <int value="4" label="READ_DOMAIN"/>
|
| + <int value="5" label="READ_POLICY_DEVOLUTION"/>
|
| + <int value="6" label="READ_DNSCACHE_DEVOLUTION"/>
|
| + <int value="7" label="READ_TCPIP_DEVOLUTION"/>
|
| + <int value="8" label="READ_APPEND_MULTILABEL"/>
|
| + <int value="9" label="READ_PRIMARY_SUFFIX"/>
|
| + <int value="10" label="BAD_ADDRESS"/>
|
| + <int value="11" label="NO_NAMESERVERS"/>
|
| +</enum>
|
| +
|
| +<enum name="AsyncDNSHostsParseWin" type="int">
|
| + <int value="0" label="OK"/>
|
| + <int value="1" label="UNREADABLE_HOSTS_FILE"/>
|
| + <int value="2" label="COMPUTER_NAME_FAILED"/>
|
| + <int value="3" label="IPHELPER_FAILED"/>
|
| + <int value="4" label="BAD_ADDRESS"/>
|
| +</enum>
|
| +
|
| +<enum name="AsyncDNSParseResult" type="int">
|
| + <summary>Results of DnsResponse::ParseToAddressList.</summary>
|
| + <int value="0" label="SUCCESS"/>
|
| + <int value="1" label="MALFORMED_RESPONSE"/>
|
| + <int value="2" label="MALFORMED_CNAME"/>
|
| + <int value="3" label="NAME_MISMATCH"/>
|
| + <int value="4" label="SIZE_MISMATCH"/>
|
| + <int value="5" label="CNAME_AFTER_ADDRESS"/>
|
| + <int value="6" label="ADDRESS_TTL_MISMATCH"/>
|
| + <int value="7" label="NO_ADDRESSES"/>
|
| +</enum>
|
| +
|
| +<enum name="AsyncDNSResolveStatus" type="int">
|
| + <int value="0" label="DNS_SUCCESS">Succeeded with async DNS.</int>
|
| + <int value="1" label="PROC_SUCCESS">
|
| + Succeeded with getaddrinfo after async DNS failed.
|
| + </int>
|
| + <int value="2" label="FAIL">Both async DNS and getaddrinfo failed.</int>
|
| + <int value="3" label="SUSPECT_NETBIOS">
|
| + Same as PROC_SUCCESS except the hostname fits NetBIOS name criteria.
|
| + </int>
|
| +</enum>
|
| +
|
| <enum name="AudioRendererEvents" type="int">
|
| <int value="0" label="Initialized"/>
|
| <int value="1" label="Runtime error"/>
|
| @@ -8079,6 +9022,30 @@ other types of suffix sets.
|
| <int value="8" label="PlayMusic"/>
|
| </enum>
|
|
|
| +<enum name="DnsProbe.Job.Result" type="int">
|
| + <int value="0" label="SERVERS_UNKNOWN"/>
|
| + <int value="1" label="SERVERS_CORRECT"/>
|
| + <int value="2" label="SERVERS_INCORRECT"/>
|
| + <int value="3" label="SERVERS_FAILING"/>
|
| + <int value="4" label="SERVERS_UNREACHABLE"/>
|
| +</enum>
|
| +
|
| +<enum name="DnsProbe.Probe.Result" type="int">
|
| + <int value="0" label="UNKNOWN"/>
|
| + <int value="1" label="NO_INTERNET"/>
|
| + <int value="2" label="BAD_CONFIG"/>
|
| + <int value="3" label="NXDOMAIN"/>
|
| +</enum>
|
| +
|
| +<enum name="DnsProbe.Probe.SystemIsLocalhost" type="int">
|
| + <int value="0" label="Not just 127.0.0.1">
|
| + 127.0.0.1 was not the only nameserver in the system DNS config.
|
| + </int>
|
| + <int value="1" label="Just 127.0.0.1">
|
| + 127.0.0.1 was the only nameserver in the system DNS config.
|
| + </int>
|
| +</enum>
|
| +
|
| <enum name="DomainBoundCerts.GetCertResult" type="int">
|
| <int value="0" label="SYNC_SUCCESS"/>
|
| <int value="1" label="ASYNC_SUCCESS"/>
|
| @@ -10732,6 +11699,37 @@ other types of suffix sets.
|
| <int value="22" label="DOMAIN_NUM_EVENTS"/>
|
| </enum>
|
|
|
| +<enum name="ResolutionCategory" type="int">
|
| + <int value="0" label="RESOLVE_SUCCESS"/>
|
| + <int value="1" label="RESOLVE_FAIL"/>
|
| + <int value="2" label="RESOLVE_SPECULATIVE_SUCCESS"/>
|
| + <int value="3" label="RESOLVE_SPECULATIVE_FAIL"/>
|
| +</enum>
|
| +
|
| +<enum name="ResolutionUnspecWasteCategory" type="int">
|
| + <int value="0" label="AF_WASTE_IPV4_ONLY">
|
| + Running in a IPv4-only configuration. No waste.
|
| + </int>
|
| + <int value="1" label="AF_WASTE_CACHE_IPV4">
|
| + Cache contained an UNSPEC result for this IPv4 lookup. Waste.
|
| + </int>
|
| + <int value="2" label="AF_WASTE_CACHE_UNSPEC">
|
| + Cache contained an IPv4 result for this UNSPEC lookup. Waste.
|
| + </int>
|
| + <int value="3" label="AF_WASTE_JOB_IPV4">
|
| + Job pool contained an UNSPEC job for this IPv4 lookup. Waste.
|
| + </int>
|
| + <int value="4" label="AF_WASTE_JOB_UNSPEC">
|
| + Job pool contained an IPv4 job for this UNSPEC lookup. Waste.
|
| + </int>
|
| + <int value="5" label="AF_WASTE_NONE_IPV4">
|
| + A new job was needed for this IPv4 lookup. No waste.
|
| + </int>
|
| + <int value="6" label="AF_WASTE_NONE_UNSPEC">
|
| + A new job was needed for this UNSPEC lookup. No waste.
|
| + </int>
|
| +</enum>
|
| +
|
| <enum name="SB2BloomFailure" type="int">
|
| <int value="0" label="READ_OPEN"/>
|
| <int value="1" label="READ_VERSION"/>
|
| @@ -11727,6 +12725,28 @@ other types of suffix sets.
|
| </affected-histogram>
|
| </fieldtrial>
|
|
|
| +<fieldtrial name="DnsParallelism">
|
| + <group name="parallel_10"
|
| + label="with only 10 concurrent resolutions done in parallel"/>
|
| + <group name="parallel_14"
|
| + label="with only 14 concurrent resolutions done in parallel"/>
|
| + <group name="parallel_20"
|
| + label="with only 20 concurrent resolutions done in parallel"/>
|
| + <group name="parallel_6"
|
| + label="with only 6 concurrent resolutions done in parallel"/>
|
| + <group name="parallel_7"
|
| + label="with only 7 concurrent resolutions done in parallel"/>
|
| + <group name="parallel_8"
|
| + label="with only 8 concurrent resolutions done in parallel"/>
|
| + <group name="parallel_9"
|
| + label="with only 9 concurrent resolutions done in parallel"/>
|
| + <group name="parallel_default"
|
| + label="with the default number of concurrent resolutions done in
|
| + parallel"/>
|
| + <affected-histogram name="DNS.ResolveCategory"/>
|
| + <affected-histogram name="DNS.ResolveSuccess"/>
|
| +</fieldtrial>
|
| +
|
| <fieldtrial name="DomainGoogle" separator="">
|
| <group name="Google" label="only Google cookies are recorded."/>
|
| <group name="Other" label="only NON-Google cookies are recorded."/>
|
| @@ -11780,6 +12800,14 @@ other types of suffix sets.
|
| <affected-histogram name="Instant.SessionsStorageNamespace"/>
|
| </fieldtrial>
|
|
|
| +<fieldtrial name="IPv6_Probe">
|
| + <group name="IPv6_probe_skipped"
|
| + label="with IPv6 not probed, and default OS settings used"/>
|
| + <group name="IPv6_probe_done"
|
| + label="with IPv6 probed for and possibly disabled"/>
|
| + <affected-histogram name="DNS.PrefetchResolution"/>
|
| +</fieldtrial>
|
| +
|
| <fieldtrial name="LateBindingExperiment">
|
| <group name="disable_late_binding" label="socket late binding is disabled"/>
|
| <group name="enable_late_binding" label="socket late binding is enabled"/>
|
|
|
Chromium Code Reviews
Issue 15053003:
Open Source AsyncDNS.*, DNS.* and DnsProbe.* histograms. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src