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aya/test
Friday Ortiz 4545feec9a
aya,test,xtask: add breakpoint support to enforced perf_event config combo branch
* aya: enforce valid perf_event type & config combos

Add guardrails for when setting event type and config for perf_event
programs. The `PerfEventConfig` enum now defines the event `type` and
`config` of interest.

Remove public re-exports, and add idiomatic Rust types for:
- perf_hw_id => HardwareEvent
- perf_sw_ids => SoftwareEvent
- perf_hw_cache_id => HwCacheEvent
- perf_hw_cache_op_id => HwCacheOp
- perf_hw_cache_op_result_id => HwCacheResult

The motivation behind this is mainly for the `type` and `config` fields
of `bpf_link_info.perf_event.event`. The newly added enums are planned
to also be used in the `bpf_link_info` metadata.

Although `Breakpoint`/`PERF_TYPE_BREAKPOINT` variant exists, it is not
fully implemented. It's only usage at the moment is in link info.

* add breakpoint support to perf_event config interface

---------

Co-authored-by: Tyrone Wu <wudevelops@gmail.com>
4 weeks ago
..
integration-common aya,ebpf: add BPF_MAP_TYPE_SK_STORAGE 1 month ago
integration-ebpf test: add a perf_event breakpoint test 4 weeks ago
integration-test aya,test,xtask: add breakpoint support to enforced perf_event config combo branch 4 weeks ago
.gitignore test: Replace RTF with Rust 3 years ago
README.md ci: cache downloads 11 months 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:

  1. rustup toolchain install nightly
  2. rustup target add {aarch64,x86_64}-unknown-linux-musl
  3. cargo install bpf-linker
  4. libelf-dev (libelf-devel on rpm-based distros)
  5. llvm (for llvm-objcopy)
  6. (virtualized only) qemu

Usage

From the root of this repository:

Native

cargo xtask integration-test local

Virtualized

cargo xtask integration-test vm --cache-dir <CACHE_DIR> <KERNEL_IMAGE>...

Writing an integration test

Tests should follow these guidelines:

  • Rust eBPF code should live in integration-ebpf/${NAME}.rs and included in integration-ebpf/Cargo.toml and integration-test/src/lib.rs using include_bytes_aligned!.
  • C eBPF code should live in integration-test/bpf/${NAME}.bpf.c. It should be added to the list of files in integration-test/build.rs and the list of constants in integration-test/src/lib.rs using include_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 to panic! instead.