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# How to contribute
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Development is on [GitHub](https://github.com/cilium/ebpf) and contributions in
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the form of pull requests and issues reporting bugs or suggesting new features
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are welcome. Please take a look at [the architecture](ARCHITECTURE.md) to get
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a better understanding for the high-level goals.
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New features must be accompanied by tests. Before starting work on any large
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feature, please [join](https://ebpf.io/slack) the
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[#ebpf-go](https://cilium.slack.com/messages/ebpf-go) channel on Slack to
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discuss the design first.
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When submitting pull requests, consider writing details about what problem you
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are solving and why the proposed approach solves that problem in commit messages
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and/or pull request description to help future library users and maintainers to
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reason about the proposed changes.
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## Running the tests
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Many of the tests require privileges to set resource limits and load eBPF code.
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The easiest way to obtain these is to run the tests with `sudo`.
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To test the current package with your local kernel you can simply run:
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```
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go test -exec sudo ./...
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```
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To test the current package with a different kernel version you can use the [run-tests.sh](run-tests.sh) script.
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It requires [virtme](https://github.com/amluto/virtme) and qemu to be installed.
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Examples:
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```bash
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# Run all tests on a 5.4 kernel
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./run-tests.sh 5.4
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# Run a subset of tests:
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./run-tests.sh 5.4 go test ./link
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```
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