A Practical Guide to Google Perfetto: Why, Setup, Recording, and Deep Trace Analysis
If you have ever spent hours debugging a mysterious UI frame drop, an unpredictable app startup delay, or high CPU utilization, you know that log statements and simple timers only tell half the story. Modern operating systems and apps are deeply asynchronous. A lag spike in your app’s main thread could be caused by garbage collection, lock contention, CPU frequency throttling, or another background process starving your app of CPU cycles. ...