perf: don't set process.title (#8453)

Author: sheremet-va

packages/vitest/src/node/cli/cac.ts

@@ -293,11 +293,6 @@ function normalizeCliOptions(cliFilters: string[], argv: CliOptions): CliOptions
 }
 
 async function start(mode: VitestRunMode, cliFilters: string[], options: CliOptions): Promise<void> {
-  try {
-    process.title = 'node (vitest)'
-  }
-  catch {}
-
   try {
     const { startVitest } = await import('./cli-api')
     const ctx = await startVitest(mode, cliFilters.map(normalize), normalizeCliOptions(cliFilters, options))
@@ -330,11 +325,6 @@ async function init(project: string) {
 }
 
 async function collect(mode: VitestRunMode, cliFilters: string[], options: CliOptions): Promise<void> {
-  try {
-    process.title = 'node (vitest)'
-  }
-  catch {}
-
   try {
     const { prepareVitest, processCollected, outputFileList } = await import('./cli-api')
     const ctx = await prepareVitest(mode, {

packages/vitest/src/runtime/utils.ts

@@ -40,13 +40,6 @@ export function isChildProcess(): boolean {
   return typeof process !== 'undefined' && !!process.send
 }
 
-export function setProcessTitle(title: string): void {
-  try {
-    process.title = `node (${title})`
-  }
-  catch {}
-}
-
 export function resetModules(modules: EvaluatedModules, resetMocks = false): void {
   const skipPaths = [
     // Vitest

packages/vitest/src/runtime/worker.ts

@@ -9,12 +9,10 @@ import { loadEnvironment } from '../integrations/env/loader'
 import { addCleanupListener, cleanup as cleanupWorker } from './cleanup'
 import { setupInspect } from './inspector'
 import { createRuntimeRpc, rpcDone } from './rpc'
-import { isChildProcess, setProcessTitle } from './utils'
+import { isChildProcess } from './utils'
 import { disposeInternalListeners } from './workers/utils'
 
 if (isChildProcess()) {
-  setProcessTitle(`vitest ${poolId}`)
-
   const isProfiling = process.execArgv.some(
     execArg =>
       execArg.startsWith('--prof')