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Changes by Version

Release Notes.

0.8.0

Features

  • Separate multiple process for reading connection information in the access log module.
  • Add a delay time before delete the connection in the access log module.
  • Fix context structs parameters for tracepoint programs.
  • Improve the build of skywalking-rover by adding some options.
  • Decode the BPF data by self instant binary.Read to reduce CPU usage.
  • Fix the unaligned memory accesses for upload_socket_data_buf.
  • Support for connecting to the backend server over TLS without requiring ca.pem.
  • Fix missing the first socket detail event in HTTPS protocol.
  • Support parallel parsing protocol data in the access log module.
  • Upgrade Go library to 1.22, eBPF library to 0.16.0.
  • Reduce missing details issue in the access log module.
  • Improve HTTP/1.x protocol parsing strategy to encase missing data.
  • Add gRPC sender to sending the access log to the backend.
  • Add warning log when the event queue almost full in the access log module.
  • Reduce unessential conntrack query when detect new connection.
  • Reduce CPU and memory usage in the access log module.
  • Reduce handle connection event time in the access log module.
  • Downgrade the protocol of connection when protocol break in the access log module.
  • Bump up go version to 1.24 and eBPF library to 0.18.0.
  • Support detect ztunnel environment in the inbound request.
  • Increase the transmit buffer size in the network profiling and access log module.

Bug Fixes

  • Fix the base image cannot run in the arm64.

Documentation

  • Add a dead link checker in the CI.

Issues and PR

  • All issues are here
  • All and pull requests are here

0.7.0

Features

  • Upgrade LLVM to 18.
  • Support propagation the excluding namespaces in the access log to the backend.
  • Add pprof module for observe self.
  • Add detect process from CRI-O container in Kubernetes.
  • Introduce MonitorFilter into access log module.
  • Support monitoring ztunnel to adapt istio ambient mode.
  • Enhance get connection address strategy in access log module.
  • Reduce file mount needs when deploy in the Kubernetes, split env name ROVER_HOST_MAPPING to ROVER_HOST_PROC_MAPPING and ROVER_HOST_ETC_MAPPING.

Bug Fixes

  • Fixed the issue where conntrack could not find the Reply IP in the access log module.
  • Fix errors when compiling C source files into eBPF bytecode on a system with Linux headers version 6.2 or higher.
  • Fixed ip_list_rcv probe is not exist in older linux kernel.
  • Fix concurrent map operation in the access log module.
  • Fix the profiling cannot found process issue.
  • Fix cannot translate peer address in some UDP scenarios.
  • Fix the protocol logs may be missing if the process is short-lived.
  • Fix some connections not called close syscall, causing unnecessary memory usage.

Documentation

Issues and PR

  • All issues are here
  • All and pull requests are here

0.6.0

Features

  • Enhance compatibility when profiling with SSL.
  • Update LabelValue obtain pod information function to add default value parameter.
  • Add HasOwnerName to judgement pod has owner name.
  • Publish the latest Docker image tag.
  • Improve the stability of Off CPU Profiling.
  • Support collecting the access log from Kubernetes.
  • Remove the scanner mode in the process discovery module.
  • Upgrade Go library to 1.21, eBPF library to 0.13.2.
  • Support using make docker.debug to building the debug docker image.

Bug Fixes

Documentation

  • Update architecture diagram.
  • Delete module design and project structure document.
  • Adjust configuration modules during setup.

Issues and PR

  • All issues are here
  • All and pull requests are here

0.5.0

Features

  • Enhance the protocol reader for support long socket data.
  • Add the syscall level event to the trace.
  • Support OpenSSL 3.0.x.
  • Optimized the data structure in BPF.
  • Support continuous profiling.
  • Improve the performance when getting goid in eBPF.
  • Support build multiple architecture docker image: x86_64, arm64.

Bug Fixes

  • Fix HTTP method name in protocol analyzer
  • Fixed submitting multiple network profiling tasks with the same uri causing the rover to restart

Documentation

Issues and PR

  • All issues are here
  • All and pull requests are here

0.4.0

Features

  • Enhancing the render context for the Kubernetes process.
  • Simplify the logic of network protocol analysis.
  • Upgrade Go library to 1.18, eBPF library to 0.9.3.
  • Make the Profiling module compatible with more Linux systems.

Bug Fixes

Documentation

  • Adding support version of Linux documentation.

Issues and PR

  • All issues are here
  • All and pull requests are here

0.3.0

Features

  • Support NETWORK Profiling.
  • Let the logger as a configurable module.
  • Support analyze the data of OpenSSL, BoringSSL library, GoTLS, NodeTLS in NETWORK Profiling.
  • Enhancing the kubernetes process finder.

Bug Fixes

  • Fixed reading process paths incorrect when running as a container.
  • Fix the crash caused by multiple profiling tasks.

Issues and PR

  • All issues are here
  • All and pull requests are here

0.2.0

Features

  • Support OFF_CPU Profiling.
  • Introduce the BTFHub module.
  • Update to using frequency mode to ON_CPU Profiling.
  • Add logs in the profiling module logical.

Bug Fixes

  • Fix docker based process could not be detected.

Issues and PR

  • All issues are here
  • All and pull requests are here

0.1.0

Features

  • Support detect processes in scanner or kubernetes mode.
  • Support profiling C, C++, Golang, and Rust service.

Bug Fixes

Issues and PR

  • All issues are here
  • All and pull requests are here