Add Toolkit Initialization metric (#1136)

Emit a metric indicating how long the toolkit takes to activate. This helps us find out the current performance, and long term try to drive it down below 250ms (per guidance from the VS Code team)

Author: awschristou

package-lock.json

@@ -858,7 +858,7 @@
         "createRelease": "ts-node ./build-scripts/createRelease.ts"
     },
     "devDependencies": {
-        "@aws-toolkits/telemetry": "0.0.20",
+        "@aws-toolkits/telemetry": "0.0.30",
         "@types/adm-zip": "^0.4.32",
         "@types/async-lock": "^1.1.0",
         "@types/cross-spawn": "^6.0.0",

package.json

@@ -35,7 +35,7 @@ import {
     showQuickStartWebview,
     toastNewUser,
 } from './shared/extensionUtilities'
-import { getLogger } from './shared/logger'
+import { getLogger, Logger } from './shared/logger'
 import { activate as activateLogger } from './shared/logger/activation'
 import { DefaultRegionProvider } from './shared/regions/defaultRegionProvider'
 import { EndpointsProvider } from './shared/regions/endpointsProvider'
@@ -50,6 +50,7 @@ import {
     recordAwsHelpQuickstart,
     recordAwsReportPluginIssue,
     recordAwsShowExtensionSource,
+    recordToolkitInit,
 } from './shared/telemetry/telemetry'
 import { ExtensionDisposableFiles } from './shared/utilities/disposableFiles'
 import { getChannelLogger } from './shared/utilities/vsCodeUtils'
@@ -58,6 +59,8 @@ import { activate as activateStepFunctions } from './stepFunctions/activation'
 let localize: nls.LocalizeFunc
 
 export async function activate(context: vscode.ExtensionContext) {
+    const activationStartedOn = Date.now()
+
     localize = nls.loadMessageBundle()
 
     ext.context = context
@@ -194,6 +197,8 @@ export async function activate(context: vscode.ExtensionContext) {
         toastNewUser(context)
 
         await loginWithMostRecentCredentials(toolkitSettings, loginManager)
+
+        recordToolkitInitialization(activationStartedOn, getLogger())
     } catch (error) {
         const channelLogger = getChannelLogger(toolkitOutputChannel)
         channelLogger.error('AWS.channel.aws.toolkit.activation.error', 'Error Activating AWS Toolkit', error as Error)
@@ -262,6 +267,19 @@ function makeEndpointsProvider(): EndpointsProvider {
     return provider
 }
 
+function recordToolkitInitialization(activationStartedOn: number, logger?: Logger) {
+    try {
+        const activationFinishedOn = Date.now()
+        const duration = activationFinishedOn - activationStartedOn
+
+        recordToolkitInit({
+            duration: duration,
+        })
+    } catch (err) {
+        logger?.error(err)
+    }
+}
+
 // Unique extension entrypoint names, so that they can be obtained from the webpack bundle
 export const awsToolkitActivate = activate
 export const awsToolkitDeactivate = deactivate