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Histograms.json
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Histograms.json
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{
"A11Y_INSTANTIATED_FLAG": {
"record_in_processes": ["main"],
"products": ["firefox", "fennec", "geckoview"],
"expires_in_version": "never",
"kind": "flag",
"releaseChannelCollection": "opt-out",
"bug_numbers": [1382820],
"description": "Flag indicating accessibility support has been instantiated.",
"alert_emails": ["accessibility@mozilla.com"]
},
"A11Y_CONSUMERS": {
"record_in_processes": ["main"],
"products": ["firefox", "fennec", "geckoview"],
"expires_in_version": "never",
"kind": "enumerated",
"n_values": 11,
"releaseChannelCollection": "opt-out",
"bug_numbers": [1382820, 1462238],
"description": "A list of known accessibility clients that inject into Firefox process space (see https://dxr.mozilla.org/mozilla-central/source/accessible/windows/msaa/Compatibility.h).",
"alert_emails": ["accessibility@mozilla.com", "jteh@mozilla.com"]
},
"A11Y_ISIMPLEDOM_USAGE_FLAG": {
"record_in_processes": ["main"],
"products": ["firefox", "fennec", "geckoview"],
"expires_in_version": "default",
"kind": "flag",
"description": "Flag indicating the ISimpleDOM* accessibility interfaces has been used.",
"alert_emails": ["accessibility@mozilla.com"]
},
"A11Y_IATABLE_USAGE_FLAG": {
"record_in_processes": ["main"],
"products": ["firefox", "fennec", "geckoview"],
"expires_in_version": "default",
"kind": "flag",
"description": "Flag indicating the IAccessibleTable accessibility interface has been used.",
"alert_emails": ["accessibility@mozilla.com"]
},
"A11Y_UIA_DETECTION_TIMING_MS" : {
"record_in_processes": ["main"],
"products": ["firefox", "fennec", "geckoview"],
"expires_in_version": "60",
"kind": "exponential",
"high": 60000,
"n_buckets": 20,
"keyed": false,
"description": "The amount of time the parent process blocked while detecting a UIA client.",
"bug_numbers": [1423989],
"alert_emails": ["dbolter@mozilla.com"]
},
"A11Y_TREE_UPDATE_TIMING_MS" : {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["asurkov@mozilla.com"],
"bug_numbers": [1424768],
"expires_in_version": "never",
"description": "The amount of time taken to update the accessibility tree (ms)",
"kind" : "exponential",
"high": 60000,
"n_buckets": 50
},
"ABOUT_CONFIG_FEATURES_USAGE": {
"record_in_processes": ["main"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["pamadini@mozilla.com"],
"expires_in_version": "67",
"kind": "categorical",
"labels": ["Show", "Search", "RegexSearch", "SortByName", "SortByStatus", "SortByType", "SortByValue", "ModifyValue", "Copy", "CopyName", "CopyValue", "CreateNew", "Reset"],
"bug_numbers": [1493445],
"description": "Record number of times particular features on about:config are used"
},
"ADDON_MANAGER_UPGRADE_UI_SHOWN": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"expires_in_version": "53",
"kind": "count",
"description": "Recorded when the addon manager shows the modal upgrade UI. Should only be recorded once per upgrade.",
"releaseChannelCollection": "opt-out",
"bug_numbers": [1268548],
"alert_emails": ["kev@mozilla.com"]
},
"ADDON_SHIM_USAGE": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"expires_in_version": "never",
"kind": "enumerated",
"n_values": 15,
"keyed": true,
"description": "Reasons why add-on shims were used, keyed by add-on ID."
},
"ADDON_FORBIDDEN_CPOW_USAGE": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"expires_in_version": "never",
"kind": "count",
"keyed": true,
"description": "Counts the number of times a given add-on used CPOWs when it was marked as e10s compatible.",
"bug_numbers": [1214824],
"alert_emails": ["wmccloskey@mozilla.com"]
},
"BROWSER_SHIM_USAGE_BLOCKED": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"expires_in_version": "never",
"kind": "count",
"description": "Counts the number of times a CPOW shim was blocked from being created by browser code.",
"releaseChannelCollection": "opt-out",
"bug_numbers": [1245901],
"alert_emails": ["benjamin@smedbergs.us"]
},
"APPLICATION_REPUTATION_BINARY_TYPE": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dlee@mozilla.com", "safebrowsing-telemetry@mozilla.org"],
"bug_numbers": [156404],
"expires_in_version": "never",
"releaseChannelCollection": "opt-out",
"kind": "categorical",
"labels": ["BinaryFile", "NonBinaryFile", "MozNonBinaryFile", "UnknownFile", "MissingFilename"],
"description": "Whether or not the file examined by download protection is a binary type (or it's not possible to tell because the filename is missing)."
},
"APPLICATION_REPUTATION_BINARY_ARCHIVE": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dlee@mozilla.com", "safebrowsing-telemetry@mozilla.org"],
"bug_numbers": [1480639, 1531034],
"expires_in_version": "never",
"releaseChannelCollection": "opt-out",
"kind": "categorical",
"labels": ["OtherBinaryFile", "DmgFile", "RarFile", "ZipFile"],
"description": "Whether a binary file examined by download protection is one of the common archive formats."
},
"APPLICATION_REPUTATION_HASH_LENGTH": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dlee@mozilla.com", "safebrowsing-telemetry@mozilla.org"],
"bug_numbers": [1485180, 1531034],
"expires_in_version": "69",
"releaseChannelCollection": "opt-out",
"kind": "categorical",
"labels": ["ValidHash", "OriginalHashEmpty", "OriginalHashTooShort", "OriginalHashTooLong", "MissingDigest", "MissingSha256", "InvalidSha256"],
"description": "Whether the hash included in application reputation lookups is valid or broken in some way."
},
"APPLICATION_REPUTATION_REASON": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dlee@mozilla.com", "safebrowsing-telemetry@mozilla.org"],
"bug_numbers": [1500360],
"expires_in_version": "never",
"releaseChannelCollection": "opt-out",
"kind": "categorical",
"labels": ["NotSet", "LocalWhitelist", "LocalBlocklist", "NonBinaryFile", "VerdictSafe", "VerdictUnknown", "VerdictDangerous", "VerdictDangerousHost", "VerdictUnwanted", "VerdictUncommon", "VerdictUnrecognized", "DangerousPrefOff", "DangerousHostPrefOff", "UnwantedPrefOff", "UncommonPrefOff", "NetworkError", "RemoteLookupDisabled", "InternalError", "DPDisabled"],
"description": "The reason application reputation service blocks or allows the download."
},
"APPLICATION_REPUTATION_SHOULD_BLOCK": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dlee@mozilla.com", "safebrowsing-telemetry@mozilla.org"],
"expires_in_version": "never",
"releaseChannelCollection": "opt-out",
"kind": "boolean",
"description": "Overall (local or remote) application reputation verdict (shouldBlock=false is OK)."
},
"APPLICATION_REPUTATION_LOCAL": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dlee@mozilla.com", "safebrowsing-telemetry@mozilla.org"],
"expires_in_version": "never",
"releaseChannelCollection": "opt-out",
"kind": "enumerated",
"n_values": 3,
"description": "Application reputation local results (0=ALLOW, 1=BLOCK, 2=NONE)"
},
"APPLICATION_REPUTATION_SERVER": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dlee@mozilla.com", "safebrowsing-telemetry@mozilla.org"],
"expires_in_version": "never",
"releaseChannelCollection": "opt-out",
"kind": "enumerated",
"n_values": 3,
"description": "Status of the application reputation remote lookup (0=OK, 1=failed, 2=invalid protobuf response)"
},
"APPLICATION_REPUTATION_SERVER_2": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dlee@mozilla.com", "safebrowsing-telemetry@mozilla.org"],
"bug_numbers": [1479901],
"releaseChannelCollection": "opt-out",
"expires_in_version": "never",
"kind": "categorical",
"labels": ["ErrOthers", "ResponseValid", "FailGetChannel", "FailGetResponse", "HTTP1xx", "HTTP2xx", "HTTP204", "HTTP3xx", "HTTP400", "HTTP4xx", "HTTP403", "HTTP404", "HTTP408", "HTTP413", "HTTP5xx", "HTTP502_504_511", "HTTP503", "HTTP505", "HTTPOthers", "ErrAlreadyConnected", "ErrNotConnected", "ErrConnectionRefused", "ErrNetTimeout", "ErrOffline", "ErrPortAccess", "ErrNetReset", "ErrNetInterrupt", "ErrProxyConnection", "ErrNetPartial", "ErrNetInadequate", "ErrUnknownHost", "ErrDNSLookupQueue", "ErrUnknownProxyHost"],
"description": "Network status of the application reputation remote lookup"
},
"APPLICATION_REPUTATION_SERVER_VERDICT": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dlee@mozilla.com", "safebrowsing-telemetry@mozilla.org"],
"expires_in_version": "never",
"releaseChannelCollection": "opt-out",
"bug_numbers": [1272788, 1531034],
"kind": "enumerated",
"n_values": 8,
"description": "Application reputation remote verdict (0=SAFE, 1=DANGEROUS, 2=UNCOMMON, 3=POTENTIALLY_UNWANTED, 4=DANGEROUS_HOST, 5=UNKNOWN)"
},
"APPLICATION_REPUTATION_SERVER_VERDICT_2": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dlee@mozilla.com", "safebrowsing-telemetry@mozilla.org"],
"expires_in_version": "73",
"releaseChannelCollection": "opt-out",
"bug_numbers": [1501974],
"kind": "categorical",
"keyed": true,
"labels": ["Safe", "Dangerous", "Uncommon", "PotentiallyUnwanted", "DangerousHost", "Unknown"],
"description": "Application reputation remote verdict, keyed by file extension"
},
"APPLICATION_REPUTATION_REMOTE_LOOKUP_RESPONSE_TIME": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dlee@mozilla.com", "safebrowsing-telemetry@mozilla.org"],
"expires_in_version": "never",
"releaseChannelCollection": "opt-out",
"bug_numbers": [1479898],
"kind": "linear",
"low": 1000,
"high": 15000,
"n_buckets": 17,
"description": "Server response time to remote lookup request (ms)."
},
"APPLICATION_REPUTATION_REMOTE_LOOKUP_TIMEOUT": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dlee@mozilla.com", "safebrowsing-telemetry@mozilla.org"],
"expires_in_version": "never",
"releaseChannelCollection": "opt-out",
"kind": "boolean",
"bug_numbers": [1172689, 1531034],
"description": "Recorded when application reputation remote lookup is performed, `true` is recorded if the lookup times out."
},
"AUDIOSTREAM_BACKEND_USED": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["padenot@mozilla.com", "kinetik@flim.org"],
"bug_numbers": [1280630, 1444878],
"expires_in_version": "70",
"kind": "enumerated",
"n_values": 16,
"description": "The operating system audio back-end used when successfully opening an audio stream, or whether the failure occurred on the first try or not <https://dxr.mozilla.org/mozilla-central/search?q=AUDIOSTREAM_BACKEND_ID_STR>",
"releaseChannelCollection": "opt-out"
},
"BACKGROUNDFILESAVER_THREAD_COUNT": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"expires_in_version": "never",
"kind": "enumerated",
"n_values": 21,
"description": "Maximum number of concurrent threads reached during a given download session"
},
"CHECKERBOARD_DURATION": {
"record_in_processes": ["main", "content", "gpu"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["gfx-telemetry-alerts@mozilla.com", "kgupta@mozilla.com"],
"bug_numbers": [1238040, 1539309],
"releaseChannelCollection": "opt-out",
"expires_in_version": "73",
"kind": "exponential",
"high": 100000,
"n_buckets": 50,
"description": "Duration of a checkerboard event in milliseconds"
},
"CHECKERBOARD_PEAK": {
"record_in_processes": ["main", "content", "gpu"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["gfx-telemetry-alerts@mozilla.com", "kgupta@mozilla.com"],
"bug_numbers": [1238040, 1539309],
"releaseChannelCollection": "opt-out",
"expires_in_version": "73",
"kind": "exponential",
"high": 66355200,
"n_buckets": 50,
"description": "Peak number of CSS pixels checkerboarded during a checkerboard event (the high value is the size of a 4k display with max APZ zooming)"
},
"CHECKERBOARD_POTENTIAL_DURATION": {
"record_in_processes": ["main", "content", "gpu"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["gfx-telemetry-alerts@mozilla.com", "kgupta@mozilla.com"],
"bug_numbers": [1238040, 1539309],
"releaseChannelCollection": "opt-out",
"expires_in_version": "73",
"kind": "exponential",
"high": 1000000,
"n_buckets": 50,
"description": "Duration of a chunk of time (in ms) that could reasonably have had checkerboarding"
},
"CHECKERBOARD_SEVERITY": {
"record_in_processes": ["main", "content", "gpu"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["gfx-telemetry-alerts@mozilla.com", "kgupta@mozilla.com"],
"bug_numbers": [1238040, 1539309],
"releaseChannelCollection": "opt-out",
"expires_in_version": "73",
"kind": "exponential",
"high": 1073741824,
"n_buckets": 50,
"description": "Opaque measure of the severity of a checkerboard event"
},
"CHILD_PROCESS_LAUNCH_MS" : {
"record_in_processes": ["main"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["jld@mozilla.com", "jimm@mozilla.com", "mconley@mozilla.com"],
"expires_in_version": "never",
"bug_numbers": [1474991],
"kind": "exponential",
"high": 64000,
"n_buckets": 100,
"releaseChannelCollection": "opt-out",
"description": "Time spent in the generic child process launching code, which is run off-main-thread and used by all child process types"
},
"COMPOSITE_TIME" : {
"record_in_processes": ["main", "content", "gpu"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["gfx-telemetry-alerts@mozilla.com", "rhunt@mozilla.com"],
"expires_in_version": "never",
"description": "Composite times in milliseconds",
"kind": "exponential",
"high": 1000,
"n_buckets": 50,
"releaseChannelCollection": "opt-out",
"bug_numbers": [1080160, 1529352]
},
"COMPOSITE_FRAME_ROUNDTRIP_TIME" : {
"record_in_processes": ["main", "content", "gpu"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["gfx-telemetry-alerts@mozilla.com", "rhunt@mozilla.com"],
"expires_in_version": "never",
"description": "Time from vsync to finishing a composite in milliseconds.",
"kind": "exponential",
"high": 1000,
"n_buckets": 50
},
"CONTENT_PROCESS_LAUNCH_MAINTHREAD_MS" : {
"record_in_processes": ["main"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["jld@mozilla.com", "jimm@mozilla.com", "mconley@mozilla.com"],
"expires_in_version": "never",
"bug_numbers": [1474991],
"kind": "exponential",
"high": 64000,
"n_buckets": 100,
"releaseChannelCollection": "opt-out",
"description": "Time spent on the main thread during asynchronous content process launch."
},
"CONTENT_PROCESS_LAUNCH_TOTAL_MS" : {
"record_in_processes": ["main"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["jld@mozilla.com", "jimm@mozilla.com", "mconley@mozilla.com"],
"expires_in_version": "never",
"bug_numbers": [1474991],
"kind": "exponential",
"high": 64000,
"n_buckets": 100,
"releaseChannelCollection": "opt-out",
"description": "Total time elapsed during asynchronous content process launch, until the process is usable for loading content."
},
"CONTENT_PROCESS_SYNC_LAUNCH_MS" : {
"record_in_processes": ["main"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["jld@mozilla.com", "jimm@mozilla.com", "mconley@mozilla.com"],
"expires_in_version": "never",
"bug_numbers": [1474991],
"kind": "exponential",
"high": 64000,
"n_buckets": 100,
"releaseChannelCollection": "opt-out",
"description": "Time elapsed during synchronous content process launch until the process is usable for loading content."
},
"CONTENT_PROCESS_LAUNCH_IS_SYNC" : {
"record_in_processes": ["main"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["jld@mozilla.com", "jimm@mozilla.com", "mconley@mozilla.com"],
"expires_in_version": "never",
"bug_numbers": [1474991],
"kind": "boolean",
"releaseChannelCollection": "opt-out",
"description": "Whether a content process was launched synchronously (unnecessarily delaying UI response)."
},
"CONTENT_RESPONSE_DURATION" : {
"record_in_processes": ["main", "content", "gpu"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["gfx-telemetry-alerts@mozilla.com", "kgupta@mozilla.com"],
"bug_numbers": [1261373],
"expires_in_version": "70",
"description": "Main thread response times for APZ notifications about input events (ms)",
"kind" : "exponential",
"high": 60000,
"n_buckets": 50
},
"CYCLE_COLLECTOR": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dev-telemetry-gc-alerts@mozilla.org"],
"expires_in_version": "never",
"kind": "exponential",
"high": 10000,
"n_buckets": 50,
"description": "Time spent on one cycle collection (ms)"
},
"CYCLE_COLLECTOR_WORKER": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dev-telemetry-gc-alerts@mozilla.org"],
"expires_in_version": "never",
"kind": "exponential",
"high": 10000,
"n_buckets": 50,
"description": "Time spent on one cycle collection in a worker (ms)"
},
"CYCLE_COLLECTOR_FULL": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dev-telemetry-gc-alerts@mozilla.org"],
"expires_in_version": "never",
"kind": "exponential",
"high": 10000,
"n_buckets": 50,
"description": "Full pause time for one cycle collection, including preparation (ms)"
},
"CYCLE_COLLECTOR_MAX_PAUSE": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dev-telemetry-gc-alerts@mozilla.org"],
"bug_numbers": [1364503],
"expires_in_version": "never",
"kind": "exponential",
"high": 10000,
"n_buckets": 50,
"releaseChannelCollection": "opt-out",
"description": "Longest pause for an individual slice of one cycle collection, including preparation (ms)"
},
"CYCLE_COLLECTOR_FINISH_IGC": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dev-telemetry-gc-alerts@mozilla.org"],
"expires_in_version": "never",
"kind": "boolean",
"description": "Cycle collection finished an incremental GC"
},
"CYCLE_COLLECTOR_SYNC_SKIPPABLE": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dev-telemetry-gc-alerts@mozilla.org"],
"expires_in_version": "never",
"kind": "boolean",
"description": "Cycle collection synchronously ran forget skippable"
},
"CYCLE_COLLECTOR_VISITED_REF_COUNTED": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dev-telemetry-gc-alerts@mozilla.org"],
"expires_in_version": "never",
"kind": "exponential",
"high": 300000,
"n_buckets": 50,
"description": "Number of ref counted objects visited by the cycle collector"
},
"CYCLE_COLLECTOR_WORKER_VISITED_REF_COUNTED": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dev-telemetry-gc-alerts@mozilla.org"],
"expires_in_version": "never",
"kind": "exponential",
"high": 300000,
"n_buckets": 50,
"description": "Number of ref counted objects visited by the cycle collector in a worker"
},
"CYCLE_COLLECTOR_VISITED_GCED": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dev-telemetry-gc-alerts@mozilla.org"],
"expires_in_version": "never",
"kind": "exponential",
"high": 300000,
"n_buckets": 50,
"description": "Number of JS objects visited by the cycle collector"
},
"CYCLE_COLLECTOR_WORKER_VISITED_GCED": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dev-telemetry-gc-alerts@mozilla.org"],
"expires_in_version": "never",
"kind": "exponential",
"high": 300000,
"n_buckets": 50,
"description": "Number of JS objects visited by the cycle collector in a worker"
},
"CYCLE_COLLECTOR_COLLECTED": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dev-telemetry-gc-alerts@mozilla.org"],
"expires_in_version": "never",
"kind": "exponential",
"high": 100000,
"n_buckets": 50,
"description": "Number of objects collected by the cycle collector"
},
"CYCLE_COLLECTOR_WORKER_COLLECTED": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dev-telemetry-gc-alerts@mozilla.org"],
"expires_in_version": "never",
"kind": "exponential",
"high": 100000,
"n_buckets": 50,
"description": "Number of objects collected by the cycle collector in a worker"
},
"CYCLE_COLLECTOR_NEED_GC": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dev-telemetry-gc-alerts@mozilla.org"],
"expires_in_version": "never",
"kind": "boolean",
"description": "Needed garbage collection before cycle collection."
},
"CYCLE_COLLECTOR_WORKER_NEED_GC": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dev-telemetry-gc-alerts@mozilla.org"],
"expires_in_version": "never",
"kind": "boolean",
"description": "Needed garbage collection before cycle collection in a worker."
},
"CYCLE_COLLECTOR_TIME_BETWEEN": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dev-telemetry-gc-alerts@mozilla.org"],
"expires_in_version": "never",
"kind": "exponential",
"high": 120,
"n_buckets": 50,
"description": "Time spent in between cycle collections (seconds)"
},
"CYCLE_COLLECTOR_OOM": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dev-telemetry-gc-alerts@mozilla.org"],
"expires_in_version": "never",
"kind": "flag",
"description": "Set if the cycle collector ran out of memory at some point"
},
"CYCLE_COLLECTOR_WORKER_OOM": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dev-telemetry-gc-alerts@mozilla.org"],
"expires_in_version": "never",
"kind": "flag",
"description": "Set if the cycle collector in a worker ran out of memory at some point"
},
"CYCLE_COLLECTOR_ASYNC_SNOW_WHITE_FREEING": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dev-telemetry-gc-alerts@mozilla.org"],
"expires_in_version": "never",
"kind": "exponential",
"high": 10000,
"n_buckets": 50,
"description": "Time spent on one asynchronous SnowWhite freeing (ms)"
},
"CYCLE_COLLECTOR_SLICE_DURING_IDLE": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dev-telemetry-gc-alerts@mozilla.org"],
"expires_in_version": "never",
"kind": "linear",
"high": 100,
"n_buckets": 50,
"bug_numbers": [1372042],
"description": "Percent of cycle collector slice done during idle time"
},
"DEFERRED_FINALIZE_ASYNC": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"expires_in_version": "never",
"kind": "exponential",
"high": 10000,
"n_buckets": 50,
"description": "Pause time for asynchronous deferred finalization (ms)"
},
"DEVICE_RESET_REASON": {
"record_in_processes": ["main", "content", "gpu"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["gfx-telemetry-alerts@mozilla.com", "rhunt@mozilla.com"],
"expires_in_version": "never",
"kind": "enumerated",
"n_values": 10,
"bug_numbers": [1135408, 1529352],
"releaseChannelCollection": "opt-out",
"description": "GPU Device Reset Reason (ok, hung, removed, reset, internal error, invalid call, out of memory)"
},
"FETCH_IS_MAINTHREAD": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"expires_in_version": "50",
"kind": "boolean",
"description": "Was Fetch request initiated from the main thread?"
},
"FORCED_DEVICE_RESET_REASON": {
"record_in_processes": ["main", "content", "gpu"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["gfx-telemetry-alerts@mozilla.com", "rhunt@mozilla.com"],
"expires_in_version": "never",
"kind": "enumerated",
"n_values": 50,
"bug_numbers": [1235407],
"releaseChannelCollection": "opt-out",
"description": "GPU Forced Device Reset Reason (OpenSharedHandle)"
},
"FORGET_SKIPPABLE_MAX": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dev-telemetry-gc-alerts@mozilla.org"],
"expires_in_version": "never",
"kind": "exponential",
"high": 10000,
"n_buckets": 50,
"description": "Max time spent on one forget skippable (ms)"
},
"FORGET_SKIPPABLE_DURING_IDLE": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dev-telemetry-gc-alerts@mozilla.org"],
"expires_in_version": "never",
"kind": "linear",
"high": 100,
"n_buckets": 50,
"bug_numbers": [1372042],
"description": "Percent of the cycle collector's forget skippable done during idle time"
},
"FORGET_SKIPPABLE_FREQUENCY": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["smaug@mozilla.com", "dev-telemetry-gc-alerts@mozilla.org"],
"expires_in_version": "never",
"kind": "linear",
"high": 500,
"n_buckets": 100,
"bug_numbers": [1487271],
"description": "Number of forget skippables occurred during a minute"
},
"FULLSCREEN_TRANSITION_BLACK_MS": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["mozilla-telemetry@upsuper.org"],
"expires_in_version": "never",
"kind": "exponential",
"low": 100,
"high": 5000,
"n_buckets": 50,
"bug_numbers": [1271160],
"description": "The time spent in the fully-black screen in fullscreen transition"
},
"FULLSCREEN_CHANGE_MS": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["mozilla-telemetry@upsuper.org"],
"expires_in_version": "never",
"kind": "exponential",
"low": 100,
"high": 5000,
"n_buckets": 50,
"bug_numbers": [1271160],
"description": "The time content uses to enter/exit fullscreen regardless of fullscreen transition timeout"
},
"GC_REASON_2": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dev-telemetry-gc-alerts@mozilla.org"],
"expires_in_version": "never",
"kind": "enumerated",
"n_values": 100,
"description": "Reason (enum value) for initiating a GC"
},
"GC_IS_COMPARTMENTAL": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dev-telemetry-gc-alerts@mozilla.org"],
"expires_in_version": "never",
"kind": "boolean",
"description": "Is it a zone GC?"
},
"GC_MS": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dev-telemetry-gc-alerts@mozilla.org"],
"expires_in_version": "never",
"kind": "exponential",
"high": 10000,
"n_buckets": 50,
"description": "Time spent running JS GC (ms)"
},
"GC_IN_PROGRESS_MS": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dev-telemetry-gc-alerts@mozilla.org", "smaug@mozilla.com"],
"expires_in_version": "never",
"kind": "exponential",
"high": 10000,
"n_buckets": 50,
"bug_numbers": [1545093],
"description": "Time from the beginning of the first slice to the end of the last slice (ms)"
},
"GC_BUDGET_MS": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dev-telemetry-gc-alerts@mozilla.org"],
"expires_in_version": "never",
"kind": "linear",
"high": 100,
"n_buckets": 10,
"description": "Requested GC slice budget (ms)"
},
"GC_ANIMATION_MS": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dev-telemetry-gc-alerts@mozilla.org", "jcoppeard@mozilla.com", "sdetar@mozilla.com"],
"expires_in_version": "never",
"releaseChannelCollection": "opt-out",
"kind": "exponential",
"high": 10000,
"n_buckets": 50,
"bug_numbers": [1489524],
"description": "Time spent running JS GC when animating (ms)"
},
"GC_MAX_PAUSE_MS_2": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dev-telemetry-gc-alerts@mozilla.org"],
"bug_numbers": [1364503],
"expires_in_version": "never",
"kind": "exponential",
"high": 10000,
"n_buckets": 50,
"releaseChannelCollection": "opt-out",
"description": "Longest GC slice in a GC (ms)"
},
"GC_MARK_MS": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dev-telemetry-gc-alerts@mozilla.org"],
"expires_in_version": "never",
"kind": "exponential",
"high": 10000,
"n_buckets": 50,
"description": "Time spent running JS GC mark phase (ms)"
},
"GC_SWEEP_MS": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dev-telemetry-gc-alerts@mozilla.org"],
"expires_in_version": "never",
"kind": "exponential",
"high": 10000,
"n_buckets": 50,
"description": "Time spent running JS GC sweep phase (ms)"
},
"GC_COMPACT_MS": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dev-telemetry-gc-alerts@mozilla.org"],
"expires_in_version": "never",
"kind": "exponential",
"high": 10000,
"n_buckets": 50,
"description": "Time spent running JS GC compact phase (ms)"
},
"GC_MARK_ROOTS_MS": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dev-telemetry-gc-alerts@mozilla.org"],
"expires_in_version": "never",
"kind": "linear",
"high": 200,
"n_buckets": 50,
"description": "Time spent marking GC roots (ms)"
},
"GC_MARK_GRAY_MS": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dev-telemetry-gc-alerts@mozilla.org"],
"expires_in_version": "never",
"kind": "linear",
"high": 200,
"n_buckets": 50,
"description": "Time spent marking gray GC objects (ms)"
},
"GC_SLICE_MS": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dev-telemetry-gc-alerts@mozilla.org"],
"expires_in_version": "never",
"kind": "exponential",
"high": 10000,
"n_buckets": 50,
"description": "Time spent running a JS GC slice (ms)"
},
"GC_SLOW_PHASE": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dev-telemetry-gc-alerts@mozilla.org"],
"expires_in_version": "never",
"kind": "enumerated",
"n_values": 75,
"description": "The longest phase in any slice that goes over 2x the budget. The phase values are defined in js/src/gc/GenerateStatsPhases.py."
},
"GC_SLOW_TASK": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dev-telemetry-gc-alerts@mozilla.org","jcoppeard@mozilla.com"],
"expires_in_version": "never",
"kind": "enumerated",
"n_values": 75,
"description": "The longest parallel task in any slice that goes over 2x the budget. The phase values are defined in js/src/gc/GenerateStatsPhases.py.",
"bug_numbers": [1309651]
},
"GC_MMU_50": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dev-telemetry-gc-alerts@mozilla.org"],
"expires_in_version": "never",
"kind": "linear",
"high": 100,
"n_buckets": 20,
"description": "Minimum percentage of time spent outside GC over any 50ms window"
},
"GC_RESET": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dev-telemetry-gc-alerts@mozilla.org"],
"expires_in_version": "never",
"kind": "boolean",
"description": "Was an incremental GC canceled?"
},
"GC_RESET_REASON": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dev-telemetry-gc-alerts@mozilla.org"],
"expires_in_version": "never",
"kind": "enumerated",
"n_values": 20,
"description": "Reason for cancelling an ongoing GC (see js::gc::AbortReason)",
"bug_numbers": [1308116]
},
"GC_INCREMENTAL_DISABLED": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dev-telemetry-gc-alerts@mozilla.org"],
"expires_in_version": "never",
"kind": "boolean",
"description": "Is incremental GC permanently disabled?"
},
"GC_NON_INCREMENTAL": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dev-telemetry-gc-alerts@mozilla.org"],
"expires_in_version": "never",
"kind": "boolean",
"description": "Was the GC non-incremental?"
},
"GC_NON_INCREMENTAL_REASON": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dev-telemetry-gc-alerts@mozilla.org"],
"expires_in_version": "never",
"kind": "enumerated",
"n_values": 20,
"description": "Reason for performing a non-incremental GC (see js::gc::AbortReason)",
"bug_numbers": [1308116]
},
"GC_SCC_SWEEP_TOTAL_MS": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dev-telemetry-gc-alerts@mozilla.org"],
"expires_in_version": "never",
"kind": "linear",
"high": 500,
"n_buckets": 50,
"description": "Time spent sweeping compartment SCCs (ms)"
},
"GC_SCC_SWEEP_MAX_PAUSE_MS": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dev-telemetry-gc-alerts@mozilla.org"],
"expires_in_version": "never",
"kind": "linear",
"high": 500,
"n_buckets": 50,
"description": "Time spent sweeping slowest compartment SCC (ms)"
},
"GC_MINOR_REASON": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dev-telemetry-gc-alerts@mozilla.org"],
"expires_in_version": "never",
"kind": "enumerated",
"n_values": 100,
"description": "Reason (enum value) for initiating a minor GC"
},
"GC_MINOR_REASON_LONG": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dev-telemetry-gc-alerts@mozilla.org"],
"expires_in_version": "never",
"kind": "enumerated",
"n_values": 100,
"description": "Reason (enum value) that caused a long (>1ms) minor GC"
},
"GC_MINOR_US": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dev-telemetry-gc-alerts@mozilla.org"],
"expires_in_version": "never",
"kind": "exponential",
"high": 1000000,
"n_buckets": 100,
"description": "Time spent running JS minor GC (us)"
},
"GC_NURSERY_BYTES": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dev-telemetry-gc-alerts@mozilla.org"],
"expires_in_version": "72",
"kind": "linear",
"high": 16777216,
"n_buckets": 16,
"bug_numbers": [1259347],
"description": "Size of the GC nursery (bytes)"
},
"GC_NURSERY_BYTES_2": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dev-telemetry-gc-alerts@mozilla.org", "pbone@mozilla.com"],
"expires_in_version": "never",
"kind": "exponential",
"low": 16384,
"high": 16777216,
"n_buckets": 24,
"bug_numbers": [1528867],
"description": "Size of the GC nursery (bytes)"
},
"GC_PRETENURE_COUNT": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dev-telemetry-gc-alerts@mozilla.org"],
"expires_in_version": "never",
"kind": "enumerated",
"n_values": 32,
"bug_numbers": [1293262],
"description": "How many objects groups were selected for pretenuring by a minor GC"
},
"GC_SLICE_DURING_IDLE": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dev-telemetry-gc-alerts@mozilla.org"],
"expires_in_version": "never",
"kind": "linear",
"high": 100,
"n_buckets": 50,
"bug_numbers": [1372042],
"description": "Percent of GC slice done during idle time"
},
"GC_BUDGET_OVERRUN": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dev-telemetry-gc-alerts@mozilla.org", "jcoppeard@mozilla.com"],
"expires_in_version": "never",
"kind": "exponential",
"high": 100000,
"n_buckets": 100,
"bug_numbers": [1381777],
"description": "How long a GC slice ran over its budget in microseconds"
},
"GC_NURSERY_PROMOTION_RATE": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dev-telemetry-gc-alerts@mozilla.org", "jcoppeard@mozilla.com"],
"expires_in_version": "never",
"kind": "linear",
"high": 100,
"n_buckets": 50,
"bug_numbers": [1485299],
"description": "The percentage of nursery objects that were promoted to tenured heap."
},
"GC_TENURED_SURVIVAL_RATE": {
"record_in_processes": ["main", "content"],
"products": ["firefox", "fennec", "geckoview"],
"alert_emails": ["dev-telemetry-gc-alerts@mozilla.org", "jcoppeard@mozilla.com"],
"expires_in_version": "never",
"kind": "linear",
"high": 100,
"n_buckets": 50,