OpenTelemetry C++
The C++ OpenTelemetry client.
Project Status
Stable across all 3 signals i.e. Logs, Metrics, and Traces.
See Spec Compliance Matrix to understand which portions of the specification has been implemented in this repo.
Supported C++ Versions
Code shipped from this repository generally supports the following versions of C++ standards:
- ISO/IEC 14882:2014 (C++14)
- ISO/IEC 14882:2017 (C++17)
- ISO/IEC 14882:2020 (C++20)
Any exceptions to this are noted in the individual README.md files.
Please note that supporting the C Programming Language is not a goal of the current project.
Supported Development Platforms
Our CI pipeline builds and tests on following x86-64 platforms:
| Platform | Build type |
|---|---|
| ubuntu-22.04 (GCC 10, GCC 12, Clang 14) | CMake, Bazel |
| ubuntu-20.04 (GCC 9.4.0 - default compiler) | CMake, Bazel |
| ubuntu-20.04 (GCC 9.4.0 with -std=c++14/17/20 flags) | CMake, Bazel |
| macOS 12.7 (Xcode 14.2) | Bazel |
| Windows Server 2019 (Visual Studio Enterprise 2019) | CMake, Bazel |
| Windows Server 2022 (Visual Studio Enterprise 2022) | CMake |
In general, the code shipped from this repository should build on all platforms having C++ compiler with supported C++ standards.
Dependencies
Please refer to Dependencies.md for OSS Dependencies and license requirements.
Installation
Please refer to INSTALL.md.
Getting Started
As an application owner or the library author, you can find the getting started guide and reference documentation on opentelemetry-cpp.readthedocs.io
The examples/simple directory contains a minimal program demonstrating how to
instrument a small library using a simple processor and console exporter,
along with build files for CMake and Bazel.
Contributing
See CONTRIBUTING.md
We meet weekly, and the time of the meeting alternates between Monday at 13:00 PT and Wednesday at 9:00 PT. The meeting is subject to change depending on contributors' availability. Check the OpenTelemetry community calendar for specific dates and Zoom meeting links.
Meeting notes are available as a public Google doc. For edit access, get in touch on Slack.
Maintainers (@open-telemetry/cpp-maintainers):
- Ehsan Saei
- Lalit Kumar Bhasin, Microsoft
- Marc Alff, Oracle
- Tom Tan, Microsoft
Approvers (@open-telemetry/cpp-approvers):
- Josh Suereth, Google
- WenTao Ou, Tencent
Emeritus Maintainer/Approver/Triager:
Thanks to all the people who have contributed
Release Schedule
See the release notes for existing releases.
See the project milestones for details on upcoming releases. The dates and features described in issues and milestones are estimates, and subject to change.