Re: [PATCH v1 7/7] .gitlab: use less aggressive nproc on our aarch64/32 runners

[Philippe Mathieu-Daudé]

On 13/6/22 19:12, Alex Bennée wrote:
> Running on all 80 cores of our aarch64 runner does occasionally
> trigger a race condition which fails the build. However the CI system
> is not the time and place to play with much heisenbugs so turn down
> the nproc to "only" use 40 cores in the build.
>
> Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
> ---
>   .../custom-runners/ubuntu-20.04-aarch32.yml   |  4 ++--
>   .../custom-runners/ubuntu-20.04-aarch64.yml   | 24 +++++++++----------
>   2 files changed, 14 insertions(+), 14 deletions(-)
>
> diff --git a/.gitlab-ci.d/custom-runners/ubuntu-20.04-aarch32.yml 
> b/.gitlab-ci.d/custom-runners/ubuntu-20.04-aarch32.yml
> index 47856ac53c..1998460d06 100644
> --- a/.gitlab-ci.d/custom-runners/ubuntu-20.04-aarch32.yml
> +++ b/.gitlab-ci.d/custom-runners/ubuntu-20.04-aarch32.yml
> @@ -19,5 +19,5 @@ ubuntu-20.04-aarch32-all:
>    - mkdir build
>    - cd build
>    - ../configure --cross-prefix=arm-linux-gnueabihf-
> - - make --output-sync -j`nproc`
> - - make --output-sync -j`nproc` check V=1
> + - make --output-sync -j`nproc --ignore=40`
> + - make --output-sync -j`nproc --ignore=40` check V=1

Alternatively:

-j$(expr $(nproc) / 2)

So we don't have to update the configs if the runner gets its hardware 
updated.

Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>