openeuler/openvelinux repository overview

⁠Quick reference

• The official OpenVeLinux (flamegraph) docker image.

• Maintained by: openEuler CloudNative SIG⁠.

• Where to get help: openEuler CloudNative SIG⁠, openEuler⁠.

⁠OpenVeLinux | openEuler

Current OpenVeLinux images are built on the openEuler⁠. This repository is free to use and exempted from per-user rate limits.

OpenVeLinux is ByteDance's cloud-optimized Linux distribution, featuring a custom kernel fork and related toolchain for cloud-native workloads. This image packages flamegraph, a Perl-based flame graph visualization tool from the OpenVeLinux project, used for profiling Linux performance data including perf, SystemTap, and eBPF traces.

Read more on OpenVeLinux GitHub⁠ and flamegraph⁠.

⁠Supported tags and respective dockerfile links

The tag of each openvelinux docker image is consist of the version of openvelinux and the version of basic image. The details are as follows

⁠Usage

In this usage, users can select the corresponding {Tag} based on their requirements.

• Pull the openeuler/openvelinux image from docker

  docker pull openeuler/openvelinux:{Tag}
  

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• Generate a flame graph from perf data

  # Collect perf data on host
  perf record -g -p <pid> -- sleep 30
  perf script | docker run --rm -i openeuler/openvelinux:{Tag} \
      stackcollapse-perf.pl | \
      docker run --rm -i openeuler/openvelinux:{Tag} \
      flamegraph.pl > flamegraph.svg
  

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• Run interactively

  docker run -it --rm openeuler/openvelinux:{Tag}
  

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⁠Question and answering

If you have any questions or want to use some special features, please submit an issue or a pull request on openeuler-docker-images⁠.