[dpdk-dev] [PATCH v3 2/2] ci: add travis ci support for aarch64

[Aaron Conole]

Ruifeng Wang <ruifeng.wang at arm.com> writes:

> Add Travis compilation jobs for aarch64. gcc/clang compilations for
> static/shared libraries are added.
>
> Some limitations for current aarch64 Travis support:
> 1. Container is used. Huge page is not available due to security reason.
> 2. Missing kernel header package in Xenial distribution.
>
> Solutions to address the limitations:
> 1. Not to add unit test for now. And run tests with no-huge in future.
> 2. Use Bionic distribution for all aarch64 jobs.
>
> Signed-off-by: Ruifeng Wang <ruifeng.wang at arm.com>
> Reviewed-by: Gavin Hu <gavin.hu at arm.com>
> ---

Can't we achieve the same thing by setting

arch:
  - amd64
  - arm64

in the build matrix?  Or will that also force the intel builds to use
the container infrastructure (in which case the no-huge support needs to
be fixed)?

One thing I wonder, isn't is possible to use qemu-user to do the amd64
unit tests?  Then do we really need some changes to do the native build?
Does it buy us anything *today* given the cost of the hugepage
restriction?  Will that ever be resolved (I didn't see so from the
docs on travis)?

>  .ci/linux-setup.sh | 11 +++++++----
>  .travis.yml        | 42 +++++++++++++++++++++++++++++++++++++++++-
>  2 files changed, 48 insertions(+), 5 deletions(-)
>
> diff --git a/.ci/linux-setup.sh b/.ci/linux-setup.sh
> index dfb9d4a20..a92978037 100755
> --- a/.ci/linux-setup.sh
> +++ b/.ci/linux-setup.sh
> @@ -3,7 +3,10 @@
>  # need to install as 'root' since some of the unit tests won't run without it
>  sudo python3 -m pip install --upgrade meson
>  
> -# setup hugepages
> -cat /proc/meminfo
> -sudo sh -c 'echo 1024 > /proc/sys/vm/nr_hugepages'
> -cat /proc/meminfo
> +# hugepage settings are skipped on aarch64 due to environment limitation
> +if [ "$TRAVIS_ARCH" != "aarch64" ]; then
> +    # setup hugepages
> +    cat /proc/meminfo
> +    sudo sh -c 'echo 1024 > /proc/sys/vm/nr_hugepages'
> +    cat /proc/meminfo
> +fi
> diff --git a/.travis.yml b/.travis.yml
> index 8f90d06f2..980c7605d 100644
> --- a/.travis.yml
> +++ b/.travis.yml
> @@ -115,6 +115,46 @@ matrix:
>        apt:
>          packages:
>            - *extra_packages
> -
> +  - env: DEF_LIB="static"
> +    arch: arm64
> +    compiler: gcc
> +    dist: bionic
> +    addons:
> +      apt:
> +        packages:
> +          - *required_packages
> +  - env: DEF_LIB="shared"
> +    arch: arm64
> +    compiler: gcc
> +    dist: bionic
> +    addons:
> +      apt:
> +        packages:
> +          - *required_packages
> +  - env: DEF_LIB="static"
> +    arch: arm64
> +    dist: bionic
> +    compiler: clang
> +    addons:
> +      apt:
> +        packages:
> +          - *required_packages
> +  - env: DEF_LIB="shared"
> +    arch: arm64
> +    dist: bionic
> +    compiler: clang
> +    addons:
> +      apt:
> +        packages:
> +          - *required_packages
> +  - env: DEF_LIB="shared" OPTS="-Denable_kmods=false" BUILD_DOCS=1
> +    arch: arm64
> +    compiler: gcc
> +    dist: bionic
> +    addons:
> +      apt:
> +        packages:
> +          - *required_packages
> +          - *doc_packages
>  
>  script: ./.ci/${TRAVIS_OS_NAME}-build.sh