Add request duration metrics as a gauge

[pafi-code]

What problem do you want to solve?

Currently in the otel middleware you define different sort of metrics.

opentelemetry-python-contrib/instrumentation/opentelemetry-instrumentation-asgi/src/opentelemetry/instrumentation/asgi/__init__.py

Line 556 in 61641aa

class OpenTelemetryMiddleware:

One add the request duration as a histogram. What I would like to have is to see request duration over time via a gauge. Can this be done via the histogram data or do we need to add an additional metric here?

Describe the solution you'd like

Add an additional metric into the OpenTelemetryMiddleware.

Describe alternatives you've considered

No response

Additional Context

No response

Would you like to implement a fix?

Yes

Tip

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