Re: [PATCH libevl v2 0/4] evl-test: stress load and latmus integration

Philippe Gerum <[email protected]> Mon, 13 Jul 2026 08:54:53 +0200
Newsgroups dev.linux.lists.xenomai
Message-ID <[email protected]>
Tobias Schaffner <[email protected]> writes:

> Extend evl-test to exercise the system while the tests run and to
> measure latency at the end of a session.
>
> The motivation is to allow running the suite under stress in CI to
> surface bugs that only show up under load.
> latmus run under that same load and with a latency threshold will allow
> the pipeline to spot latency regressions.
>
> Example:
>
>   # run latmus under CPU/memory stress, fail above 200us,
>   # keep the latmus report
>   evl test --stress-cmd "stress-ng --cpu 4 --vm 2 --vm-bytes 1G" \
>            latmus -- -T 60 -A 200
>
> Changes since v1:
>  * Introduce a small shell script wrapper in the test dir to add latmus
>    to the testsuite instead of calling it in the end after the other tests.
>
> Tobias Schaffner (4):
>   evl-test: add stress command support for background load testing
>   evl-test: improve help message with detailed usage information
>   latmus: send setup messages to stdout instead of stderr
>   tests: Add latmus wrapper script for evl-test integration
>
>  latmus/latmus.c   |  4 ++--
>  tests/latmus      | 16 +++++++++++++
>  tests/meson.build | 11 +++++++++
>  utils/evl-test    | 57 ++++++++++++++++++++++++++++++++++++++++++++++-
>  4 files changed, 85 insertions(+), 3 deletions(-)
>  create mode 100755 tests/latmus

Series merged, thanks.

-- 
Philippe.