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Bug 1198517 - [Metrics] Histogram support for user-timing-based metrics. r=janx
This commit is contained in:
Russ Nicoletti
parent
347e6f2bc9
commit
83129e4926
@ -765,9 +765,25 @@ let performanceEntriesWatcher = {
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_fronts: new Map(),
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_appLaunchName: null,
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_appLaunchStartTime: null,
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_supported: [
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'contentInteractive',
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'navigationInteractive',
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'navigationLoaded',
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'visuallyLoaded',
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'fullyLoaded',
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'mediaEnumerated',
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'scanEnd'
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],
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init(client) {
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this._client = client;
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let setting = 'devtools.telemetry.supported_performance_marks';
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let defaultValue = this._supported.join(',');
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SettingsListener.observe(setting, defaultValue, supported => {
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let value = supported || defaultValue;
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this._supported = value.split(',');
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});
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},
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trackTarget(target) {
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@ -783,38 +799,56 @@ let performanceEntriesWatcher = {
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front.start();
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front.on('entry', detail => {
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if (detail.type === 'mark') {
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let name = detail.name;
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let epoch = detail.epoch;
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let CHARS_UNTIL_APP_NAME = 7; // '@app://'
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// FIXME There is a potential race condition that can result
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// in some performance entries being disregarded. See bug 1189942.
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if (name.indexOf('appLaunch') != -1) {
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let appStartPos = name.indexOf('@app') + CHARS_UNTIL_APP_NAME;
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let length = (name.indexOf('.') - appStartPos);
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this._appLaunchName = name.substr(appStartPos, length);
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this._appLaunchStartTime = epoch;
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} else {
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let origin = detail.origin;
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origin = origin.substr(0, origin.indexOf('.'));
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if (this._appLaunchName === origin) {
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let time = epoch - this._appLaunchStartTime;
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let eventName = 'app-startup-time-' + name;
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// Events based on performance marks are for telemetry only, they are
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// not displayed in the HUD front end.
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target._logHistogram({name: eventName, value: time});
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memoryWatcher.front(target).residentUnique().then(value => {
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eventName = 'app-memory-' + name;
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target._logHistogram({name: eventName, value: value});
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}, err => {
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console.error(err);
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});
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}
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}
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// Only process performance marks.
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if (detail.type !== 'mark') {
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return;
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}
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let name = detail.name;
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let epoch = detail.epoch;
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// FIXME There is a potential race condition that can result
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// in some performance entries being disregarded. See bug 1189942.
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//
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// If this is an "app launch" mark, record the app that was
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// launched and the epoch of when it was launched.
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if (name.indexOf('appLaunch') !== -1) {
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let CHARS_UNTIL_APP_NAME = 7; // '@app://'
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let startPos = name.indexOf('@app') + CHARS_UNTIL_APP_NAME;
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let endPos = name.indexOf('.');
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this._appLaunchName = name.slice(startPos, endPos);
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this._appLaunchStartTime = epoch;
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return;
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}
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// Only process supported performance marks
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if (this._supported.indexOf(name) === -1) {
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return;
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}
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let origin = detail.origin;
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origin = origin.slice(0, origin.indexOf('.'));
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// Continue if the performance mark corresponds to the app
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// for which we have recorded app launch information.
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if (this._appLaunchName !== origin) {
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return;
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}
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let time = epoch - this._appLaunchStartTime;
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let eventName = 'app_startup_time_' + name;
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// Events based on performance marks are for telemetry only, they are
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// not displayed in the HUD front end.
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target._logHistogram({name: eventName, value: time});
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memoryWatcher.front(target).residentUnique().then(value => {
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eventName = 'app_memory_' + name;
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target._logHistogram({name: eventName, value: value});
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}, err => {
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console.error(err);
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});
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});
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},
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@ -573,6 +573,10 @@ let settingsToObserve = {
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'devtools.remote.wifi.visible': {
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resetToPref: true
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},
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'devtools.telemetry.supported_performance_marks': {
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resetToPref: true
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},
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'dom.mozApps.use_reviewer_certs': false,
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'dom.mozApps.signed_apps_installable_from': 'https://marketplace.firefox.com',
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'dom.presentation.discovery.enabled': false,
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@ -900,6 +900,9 @@ pref("devtools.gcli.imgurUploadURL", "https://api.imgur.com/3/image");
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// GCLI commands directory
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pref("devtools.commands.dir", "");
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// Allows setting the performance marks for which telemetry metrics will be recorded.
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pref("devtools.telemetry.supported_performance_marks", "contentInteractive,navigationInteractive,navigationLoaded,visuallyLoaded,fullyLoaded,mediaEnumerated,scanEnd");
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// view source
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pref("view_source.syntax_highlight", true);
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pref("view_source.wrap_long_lines", false);
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@ -8890,6 +8890,125 @@
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"keyed": "true",
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"description": "Number of warnings, keyed by appName."
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},
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"DEVTOOLS_HUD_APP_STARTUP_TIME_CONTENTINTERACTIVE": {
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"expires_in_version": "never",
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"kind": "linear",
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"keyed": "true",
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"description": "The duration in ms between application launch and the 'contentInteractive' performance mark, keyed by appName.",
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"high": "2000",
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"n_buckets": 10
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},
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"DEVTOOLS_HUD_APP_STARTUP_TIME_NAVIGATIONINTERACTIVE": {
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"expires_in_version": "never",
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"kind": "linear",
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"keyed": "true",
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"description": "The duration in ms between application launch and the 'navigationInteractive' performance mark, keyed by appName.",
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"high": "3000",
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"n_buckets": 10
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},
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"DEVTOOLS_HUD_APP_STARTUP_TIME_NAVIGATIONLOADED": {
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"expires_in_version": "never",
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"kind": "linear",
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"keyed": "true",
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"description": "The duration in ms between application launch and the 'navigationLoaded' performance mark, keyed by appName.",
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"high": "4000",
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"n_buckets": 10
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},
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"DEVTOOLS_HUD_APP_STARTUP_TIME_VISUALLYLOADED": {
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"expires_in_version": "never",
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"kind": "linear",
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"keyed": "true",
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"description": "The duration in ms between application launch and the 'visuallyLoaded' performance mark, keyed by appName.",
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"high": "5000",
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"n_buckets": 10
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},
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"DEVTOOLS_HUD_APP_STARTUP_TIME_MEDIAENUMERATED": {
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"expires_in_version": "never",
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"kind": "linear",
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"keyed": "true",
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"description": "The duration in ms between application launch and the 'mediaEnumerated' performance mark, keyed by appName.",
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"high": "5000",
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"n_buckets": 10
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},
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"DEVTOOLS_HUD_APP_STARTUP_TIME_FULLYLOADED": {
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"expires_in_version": "never",
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"kind": "linear",
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"keyed": "true",
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"description": "The duration in ms between application launch and the 'fullyLoaded' performance mark, keyed by appName.",
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"high": "30000",
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"n_buckets": 30
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},
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"DEVTOOLS_HUD_APP_STARTUP_TIME_SCANEND": {
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"expires_in_version": "never",
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"kind": "linear",
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"keyed": "true",
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"description": "The duration in ms between application launch and the 'scanEnd' performance mark, keyed by appName.",
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"high": "30000",
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"n_buckets": 30
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},
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"DEVTOOLS_HUD_APP_MEMORY_CONTENTINTERACTIVE": {
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"expires_in_version": "never",
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"kind": "linear",
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"keyed": "true",
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"description": "The USS memory consumed by an application at the time of the 'contentInteractive' performance mark, keyed by appName.",
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"low": "2000000",
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"high": "3000000",
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"n_buckets": 10
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},
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"DEVTOOLS_HUD_APP_MEMORY_NAVIGATIONINTERACTIVE": {
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"expires_in_version": "never",
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"kind": "linear",
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"keyed": "true",
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"description": "The USS memory consumed by an application at the time of the 'navigationInteractive' performance mark, keyed by appName.",
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"low": "2000000",
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"high": "3000000",
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"n_buckets": 10
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},
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"DEVTOOLS_HUD_APP_MEMORY_NAVIGATIONLOADED": {
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"expires_in_version": "never",
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"kind": "linear",
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"keyed": "true",
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"description": "The USS memory consumed by an application at the time of the 'navigationLoaded' performance mark, keyed by appName.",
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"low": "2000000",
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"high": "3000000",
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"n_buckets": 10
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},
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"DEVTOOLS_HUD_APP_MEMORY_VISUALLYLOADED": {
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"expires_in_version": "never",
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"kind": "linear",
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"keyed": "true",
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"description": "The USS memory consumed by an application at the time of the 'visuallyLoaded' performance mark, keyed by appName.",
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"low": "2000000",
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"high": "3000000",
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"n_buckets": 10
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},
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"DEVTOOLS_HUD_APP_MEMORY_MEDIAENUMERATED": {
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"expires_in_version": "never",
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"kind": "linear",
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"keyed": "true",
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"description": "The USS memory consumed by an application at the time of the 'mediaEnumerated' performance mark, keyed by appName.",
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"low": "2000000",
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"high": "3000000",
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"n_buckets": 10
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},
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"DEVTOOLS_HUD_APP_MEMORY_FULLYLOADED": {
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"expires_in_version": "never",
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"kind": "linear",
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"keyed": "true",
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"description": "The USS memory consumed by an application at the time of the 'fullyLoaded' performance mark, keyed by appName.",
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"low": "2000000",
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"high": "4000000",
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"n_buckets": 20
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},
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"DEVTOOLS_HUD_APP_MEMORY_SCANEND": {
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"expires_in_version": "never",
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"kind": "linear",
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"keyed": "true",
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"description": "The USS memory consumed by an application at the time of the 'scanEnd' performance mark, keyed by appName.",
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"low": "2000000",
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"high": "4000000",
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"n_buckets": 20
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},
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"GRAPHICS_SANITY_TEST_REASON": {
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"alert_emails": ["danderson@mozilla.com"],
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"expires_in_version": "43",
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