Changed

• Many metrics have been renamed to improve consistency
• Config format updated to be more flexible in configuring individual samplers
• Moved BPF and perf functionality into each sampler so that samplers focus on particular aspects of performance and not method of gathering telemetry
• Runtime is now async and samplers rewritten to use async/await
• Changed the default version of bcc to 0.13.0

Added

• Push-based exposition of metrics to Kafka