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e2cf734490
This implements the userspace binding for RingBuf. Instead of streaming the samples as heap buffers, the process_ring function takes a callback to which we pass the event's byte region, roughly following [libbpf]'s API design. This avoids a copy and allows marking the consumer pointer in a timely manner. [libbpf]: https://github.com/libbpf/libbpf/blob/master/src/ringbuf.c Additionally, integration tests are added to demonstrate the usage of the new APIs and to ensure that they work end-to-end. Co-authored-by: William Findlay <william@williamfindlay.com> Co-authored-by: Tatsuyuki Ishi <ishitatsuyuki@gmail.com> |
1 year ago | |
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integration-ebpf | 1 year ago | |
integration-test | 1 year ago | |
.gitignore | 3 years ago | |
README.md | 2 years ago |
README.md
Aya Integration Tests
The aya integration test suite is a set of tests to ensure that common usage behaviours work on real Linux distros
Prerequisites
You'll need:
rustup toolchain install nightly
rustup target add {aarch64,x86_64}-unknown-linux-musl
cargo install bpf-linker
- (virtualized only)
qemu
Usage
From the root of this repository:
Native
cargo xtask integration-test local
Virtualized
cargo xtask integration-test vm
Writing an integration test
Tests should follow these guidelines:
- Rust eBPF code should live in
integration-ebpf/${NAME}.rs
and included inintegration-ebpf/Cargo.toml
andintegration-test/src/lib.rs
usinginclude_bytes_aligned!
. - C eBPF code should live in
integration-test/bpf/${NAME}.bpf.c
. It should be added to the list of files inintegration-test/build.rs
and the list of constants inintegration-test/src/lib.rs
usinginclude_bytes_aligned!
. - Tests should be added to
integration-test/tests
. - You may add a new module, or use an existing one.
- Test functions should not return
anyhow::Result<()>
since this produces errors without stack traces. Prefer topanic!
instead.