libstatistics_collector

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topic statistics doesn't publish "message_age" data if QoS is Keep last.

1

## Description topic statistics doesn't publish "message_age" data if subscription's QoS is Keep last. ### Expected Behavior ```bash $ ros2 topic echo /topic_statistics # in another terminal ~~ metrics_source: message_age...

hsgwa

Create Topic Statistics System Test

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## Description Create a Topic Statistics system test in the [ros2/system_tests](https://github.com/ros2/system_tests) repo. This should fully test the topic statistics feature and verify statistics are generated for a variety if publishers...

dabonnie

Add cstdint include to humble. related to #165 and #172

muellerbernd

Add window size

1

I have added a window size to calculate the moving average - fix #208

Tacha-S

Enable setting window size for MovingAverageStatistics

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## Description The MovingAverageStatistics should allow passing a `window_size` for the calculation of the moving average

tonynajjar