Werk #18178: otel: Improve histogram value calculation

Component Checks & agents
Title otel: Improve histogram value calculation
Date Aug 19, 2025
Level Trivial Change
Class New Feature
Compatibility Compatible - no manual interaction needed
Checkmk versions & editions
2.5.0b1
Not yet released
Checkmk Cloud (CCE), Checkmk MSP (CME)
2.4.0p11 Checkmk Cloud (CCE), Checkmk MSP (CME)

Improve the value used for metrics for histograms and exponential histograms by using the average value (sum/count) instead of just the count value.

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