vehicle_odometry: add timestamp_sample field for latency monitoring #14781
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Describe problem solved by this pull request
Currently, there is no straightforward way to track odometry measurement latencies since the delay isn't captured anywhere
Describe your solution
By adding a
timestamp_samplefield tovehicle_odometryand using it accordingly (timestamp - timestamp_sample), we get the latency tracking capabilities.Test data / coverage
https://logs.px4.io/plot_app?log=5f50dfcc-8da2-42ea-b3da-53c5930cd6cd