import { Injectable, Logger } from '@nestjs/common'; @Injectable() export class PerformanceLoggingService { public logPerformance({ className, methodName, startTime }: { className: string; methodName: string; startTime: number; }) { const endTime = performance.now(); Logger.debug( `Completed execution of ${methodName}() in ${((endTime - startTime) / 1000).toFixed(3)} seconds`, className ); } }