will result in a flamegraph being created. Instead of appending `pp=flamegraph`, the appended parameter needs to be `pp=async-flamegraph`.
But that flamegraph will not show up directly in the tools typically used.
The flamegraph needs to be accessed by calling an arbitrary page of the application via the browser after having issued the bodied request (e.g. `http://localhost:3000`). In the lower right corner, sometimes after some waiting, the profiling tools will show a small menu from which the generated flamegraph can be accessed.
![Flamegraph retrieval](flamegraph_retrieval.png)
In case this fails, the flamegraphs are stored in `tmp/miniprofiler` in a file called `mp_timers_[some hash]`. Knowing which file belongs to the previously created flamegraph, the file can be opened by requesting: