Metrics collector and ebpf-based profiler for C, C++, Golang, and Rust

Apache SkyWalking Rover

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SkyWalking Rover: Metrics collector and ebpf-based profiler for C, C++, Golang, and Rust.

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Apache 2.0 License.

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  • Support OpenSSL library and add protocol and IsSSL labels in metrics

    Support OpenSSL library and add protocol and IsSSL labels in metrics

    • Analyze protocol when the data is in the connection
    • Support for analyzing protocols that use the OpenSSL library program
    • Add the protocol and is_ssl labels to the metrics when uploading to the backend
  • Add license and let it could automatically generate

    Add license and let it could automatically generate

    1. update the dependency licenses
    2. integrate with skywalking-eyes, let it could generate the license automatically.
    3. Add to the CI, so it can check the dependency license in each PR.

    @kezhenxu94 Please help to check the license generate code, there have some duplicated codes with eyes, not all of them. Maybe we could let the eyes generate it?

  • Support analyze the data from GoTLS

    Support analyze the data from GoTLS

    The feature is used for the Golang application to analyze the data, which application uses TLS/SSL to encrypt or decrypt data. I will provide E2E to verify the mainstream language with HTTPS.

  • Update feature lists

    Update feature lists

    I think you should update

    1. https://skywalking.apache.org/docs/skywalking-rover/next/en/concepts-and-designs/project_structue/ to the latest project structure
    2. Add the Linux version support matrix here, https://skywalking.apache.org/docs/skywalking-rover/next/en/setup/overview/
  • Support HTTP1 basic metrics analysis

    Support HTTP1 basic metrics analysis

    Follow https://github.com/apache/skywalking/issues/9802, For this PR, support basic metrics only. I will create other PRs for the records and span attachments.

  • Introduce the BTFhub module

    Introduce the BTFhub module

    Follow Blog: https://kinvolk.io/blog/2022/03/btfgen-one-step-closer-to-truly-portable-ebpf-programs/ I see it could help users running the eBPF program with CO-RE on the old kernel(without recompile kernel), It's pretty cool. So we could add it.

  • Fix the profiling data finished time is greater than task duration

    Fix the profiling data finished time is greater than task duration

    The rover uses the scratch mechanism to get data from the eBPF runner with intervals, but the profiling task duration is fixed. So the end time of the profiling data could be out of the profiling task duration. When the duration of the profiling task is the same as the time that OAP can analyze, it may cause the failure to analyze.

  • Enhance the boot time for getting the nanosecond

    Enhance the boot time for getting the nanosecond

    Before this PR, we only can get the second of the Linux boot time. The timestamp is not very accurate when we get the attached event's start/end time, Because the nanosecond is missing.

    This PR enhances the boot time to get the nanosecond of the boot time.

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