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# Profiling GN
Use this simple structure:
```
from werkzeug.middleware.profiler import ProfilerMiddleware
app = Flask(__name__)
app.config["PROFILE"] = True
app.wsgi_app = ProfilerMiddleware(
app.wsgi_app,
restrictions=[40, "main"],
profile_dir="profiler_dump",
filename_format="{time:.0f}-{method}-{path}-{elapsed:.0f}ms.prof",
)
```
You can use gprof2dot to visualise the profile
```
guix shell gprof2dot -- gprof2dot -f pstats 1753202013-GET-show_trait-37931ms.prof > 1753202013-GET-show_trait-37931ms.prof.dot
guix shell xdot -- xdot 1753202013-GET-show_trait-37931ms.prof.dot
```
Or snakeviz to visualize it:
```
scp genenetwork:/home/bonfacem/profiling/1753202013-GET-show_trait-37931ms.prof /tmp/test
snakeviz 1753202013-GET-show_trait-37931ms.prof
```
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