sokra/chrome-trace-event

chrome-trace-event is a tool that lets you record what your program is doing as it runs, then view that recording visually. Think of it like a flight recorder for your code: you turn it on, your program runs, and afterward you get a timeline showing exactly when each piece started and finished. This makes it much easier to figure out where things are slow or why something took longer than expected. At a technical level, it's a small JavaScript package that generates log files in a specific format Google created for tracing. You add a few lines of code to your project to start recording events. As your code runs, the library notes when things happen and writes them to a file. You can then open that file in Chrome's built-in developer tools or a separate Google-made viewer to see a visual breakdown of your program's activity. This is mainly for developers who need to debug performance problems. If your app feels sluggish and you don't know why, this kind of tracing helps you see exactly which function is the bottleneck. For example, if your server takes too long to respond to requests, a trace would show whether the delay is in database calls, data processing, or something else entirely. The project itself is quite bare-bones. The README is minimal and even marks the usage section as a TODO, so you'll need to look at the code or the linked Google documentation to understand the full range of options. It's essentially a utility that handles the plumbing of generating trace files, leaving it up to you to decide what to record and how to analyze the results.