The OTLP format specification is stable for traces, metrics, and logs. Next up: profiling data!
https://www.cncf.io/blog/2024/03/19/opentelemetry-announces-support-for-profiling
Profile data will interlink with logs, metrics, and traces, so that you can jump between the signals (eventually).
Elastic and Splunk are planning to donate profiling agents to the OpenTelemetry project.
If you’re interested, find the gory details in the proposal.
