Callgraph Profiler

You can also view a visual representation of the callgraph, if you prefer this more detailed profiling to the timeline profiler. By clicking Callgraph in the trace, you can see the callgraph from top-down, following the hot path. Alternatively, you can click on the small callgraph symbols in the call details panel, to see the callgraph with both children and parent functions for the selected call.

The Tideways Callgraph Profiler

When you are debugging performance problems, a full callgraph can give you more detailed insights into every function call of your PHP requests.

Because the Callgraph Profiler has a noticeable overhead over the Timeline Profiler, it is only available for developer triggered traces by default.
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