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## Mesa testing using gitlab-runner
The goal of the "test" stage of the .gitlab-ci.yml is to do pre-merge
testing of Mesa drivers on various platforms, so that we can ensure no
regressions are merged, as long as developers are merging code using
the "Merge when pipeline completes" button.
This document only covers the CI from .gitlab-ci.yml and this
directory. For other CI systems, see Intel's [Mesa
CI](https://gitlab.freedesktop.org/Mesa_CI) or panfrost's LAVA-based
CI (`src/gallium/drivers/panfrost/ci/`)
### Software architecture
For freedreno and llvmpipe CI, we're using gitlab-runner on the test
devices (DUTs), cached docker containers with VK-GL-CTS, and the
normal shared x86_64 runners to build the Mesa drivers to be run
inside of those containers on the DUTs.
The docker containers are rebuilt from the debian-install.sh script
when DEBIAN\_TAG is changed in .gitlab-ci.yml, and
debian-test-install.sh when DEBIAN\_ARM64\_TAG is changed in
.gitlab-ci.yml. The resulting images are around 500MB, and are
expected to change approximately weekly (though an individual
developer working on them may produce many more images while trying to
come up with a working MR!).
gitlab-runner is a client that polls gitlab.freedesktop.org for
available jobs, with no inbound networking requirements. Jobs can
have tags, so we can have DUT-specific jobs that only run on runners
with that tag marked in the gitlab UI.
Since dEQP takes a long time to run, we mark the job as "parallel" at
some level, which spawns multiple jobs from one definition, and then
deqp-runner.sh takes the corresponding fraction of the test list for
that job.
To reduce dEQP runtime (or avoid tests with unreliable results), a
deqp-runner.sh invocation can provide a list of tests to skip. If
your driver is not yet conformant, you can pass a list of expected
failures, and the job will only fail on tests that aren't listed (look
at the job's log for which specific tests failed).
### DUT requirements
#### DUTs must have a stable kernel and GPU reset.
If the system goes down during a test run, that job will eventually
time out and fail (default 1 hour). However, if the kernel can't
reliably reset the GPU on failure, bugs in one MR may leak into
spurious failures in another MR. This would be an unacceptable impact
on Mesa developers working on other drivers.
#### DUTs must be able to run docker
The Mesa gitlab-runner based test architecture is built around docker,
so that we can cache the debian package installation and CTS build
step across multiple test runs. Since the images are large and change
approximately weekly, the DUTs also need to be running some script to
prune stale docker images periodically in order to not run out of disk
space as we rev those containers (perhaps [this
script](https://gitlab.com/gitlab-org/gitlab-runner/issues/2980#note_169233611)).
Note that docker doesn't allow containers to be stored on NFS, and
doesn't allow multiple docker daemons to interact with the same
network block device, so you will probably need some sort of physical
storage on your DUTs.
#### DUTs must be public
By including your device in .gitlab-ci.yml, you're effectively letting
anyone on the internet run code on your device. docker containers may
provide some limited protection, but how much you trust that and what
you do to mitigate hostile access is up to you.
#### DUTs must expose the dri device nodes to the containers.
Obviously, to get access to the HW, we need to pass the render node
through. This is done by adding `devices = ["/dev/dri"]` to the
`runners.docker` section of /etc/gitlab-runner/config.toml.
### HW CI farm expectations
To make sure that testing of one vendor's drivers doesn't block
unrelated work by other vendors, we require that a given driver's test
farm produces a spurious failure no more than once a week. If every
driver had CI and failed once a week, we would be seeing someone's
code getting blocked on a spurious failure daily, which is an
unacceptable cost to the project.
Additionally, the test farm needs to be able to provide a short enough
turnaround time that people can regularly use the "Merge when pipeline
succeeds" button successfully (until we get
[marge-bot](https://github.com/smarkets/marge-bot) in place on
freedesktop.org). As a result, we require that the test farm be able
to handle a whole pipeline's worth of jobs in less than 5 minutes (to
compare, the build stage is about 10 minutes, if you could get all
your jobs scheduled on the shared runners in time.).
If a test farm is short the HW to provide these guarantees, consider
dropping tests to reduce runtime.
`VK-GL-CTS/scripts/log/bottleneck_report.py` can help you find what
tests were slow in a `results.qpa` file. Or, you can have a job with
no `parallel` field set and:
```
variables:
CI_NODE_INDEX: 1
CI_NODE_TOTAL: 10
```
to just run 1/10th of the test list.
If a HW CI farm goes offline (network dies and all CI pipelines end up
stalled) or its runners are consistenly spuriously failing (disk
full?), and the maintainer is not immediately available to fix the
issue, please push through an MR disabling that farm's jobs by adding
'.' to the front of the jobs names until the maintainer can bring
things back up. If this happens, the farm maintainer should provide a
report to mesa-dev@lists.freedesktop.org after the fact explaining
what happened and what the mitigation plan is for that failure next
time.
......@@ -11,6 +11,7 @@ CONFIG_DEVFREQ_GOV_SIMPLE_ONDEMAND=y
CONFIG_DRM=y
CONFIG_DRM_ROCKCHIP=y
CONFIG_DRM_PANFROST=y
CONFIG_DRM_LIMA=y
CONFIG_DRM_PANEL_SIMPLE=y
CONFIG_PWM_CROS_EC=y
CONFIG_BACKLIGHT_PWM=y
......
......@@ -10,6 +10,7 @@ CONFIG_DEVFREQ_GOV_PASSIVE=y
CONFIG_DRM=y
CONFIG_DRM_ROCKCHIP=y
CONFIG_DRM_PANFROST=y
CONFIG_DRM_LIMA=y
CONFIG_DRM_PANEL_SIMPLE=y
CONFIG_PWM_CROS_EC=y
CONFIG_BACKLIGHT_PWM=y
......@@ -37,7 +38,6 @@ CONFIG_ARCH_LAYERSCAPE=n
CONFIG_ARCH_LG1K=n
CONFIG_ARCH_HISI=n
CONFIG_ARCH_MEDIATEK=n
CONFIG_ARCH_MESON=n
CONFIG_ARCH_MVEBU=n
CONFIG_ARCH_QCOM=n
CONFIG_ARCH_SEATTLE=n
......@@ -78,5 +78,7 @@ CONFIG_TMPFS=y
CONFIG_PROVE_LOCKING=n
CONFIG_DEBUG_LOCKDEP=n
CONFIG_SOFTLOCKUP_DETECTOR=n
CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC=n
\ No newline at end of file
CONFIG_SOFTLOCKUP_DETECTOR=y
CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC=y
CONFIG_DETECT_HUNG_TASK=y
......@@ -2,7 +2,7 @@
set -ex
apt-get -y install --no-install-recommends initramfs-tools libpng16-16 weston strace libsensors5
apt-get -y install --no-install-recommends initramfs-tools libpng16-16 strace libsensors5 libexpat1 libdrm2
passwd root -d
chsh -s /bin/sh
ln -s /bin/sh /init
......@@ -15,9 +15,9 @@ ln -s /bin/sh /init
rm -rf /etc/localtime
cp /usr/share/zoneinfo/Etc/UTC /etc/localtime
UNNEEDED_PACKAGES=" libfdisk1"\
" tzdata"\
UNNEEDED_PACKAGES="libfdisk1
tzdata
diffutils"
export DEBIAN_FRONTEND=noninteractive
......@@ -182,4 +182,4 @@ rm usr/lib/*/libdb-5.3.so
rm usr/lib/*/libnss_hesiod*
rm usr/lib/*/libnss_nis*
rm usr/bin/tar
\ No newline at end of file
rm bin/tar
......@@ -5,32 +5,31 @@ set -o xtrace
export DEBIAN_FRONTEND=noninteractive
CROSS_ARCHITECTURES="armhf arm64 i386"
for arch in $CROSS_ARCHITECTURES; do
dpkg --add-architecture $arch
done
apt-get install -y \
apt-transport-https \
ca-certificates \
curl \
wget \
unzip \
gnupg \
software-properties-common
curl -fsSL https://apt.llvm.org/llvm-snapshot.gpg.key | apt-key add -
add-apt-repository "deb https://apt.llvm.org/stretch/ llvm-toolchain-stretch-7 main"
add-apt-repository "deb https://apt.llvm.org/stretch/ llvm-toolchain-stretch-8 main"
unzip
sed -i -e 's/http:\/\/deb/https:\/\/deb/g' /etc/apt/sources.list
echo 'deb https://deb.debian.org/debian stretch-backports main' >/etc/apt/sources.list.d/backports.list
echo 'deb https://deb.debian.org/debian jessie main' >/etc/apt/sources.list.d/jessie.list
echo 'deb https://deb.debian.org/debian buster-backports main' >/etc/apt/sources.list.d/backports.list
apt-get update
apt-get install -y -t stretch-backports \
llvm-3.4-dev \
llvm-3.9-dev \
libclang-3.9-dev \
llvm-4.0-dev \
libclang-4.0-dev \
llvm-5.0-dev \
libclang-5.0-dev \
# Use newer packages from backports by default
cat >/etc/apt/preferences <<EOF
Package: *
Pin: release a=buster-backports
Pin-Priority: 500
EOF
apt-get dist-upgrade -y
apt-get install -y --no-remove \
llvm-6.0-dev \
libclang-6.0-dev \
llvm-7-dev \
......@@ -38,13 +37,8 @@ apt-get install -y -t stretch-backports \
llvm-8-dev \
libclang-8-dev \
g++ \
clang-8
# Install remaining packages from Debian buster to get newer versions
add-apt-repository "deb https://deb.debian.org/debian/ buster main"
add-apt-repository "deb https://deb.debian.org/debian/ buster-updates main"
apt-get update
apt-get install -y \
clang-8 \
git \
bzip2 \
zlib1g-dev \
pkg-config \
......@@ -52,6 +46,10 @@ apt-get install -y \
libxdamage-dev \
libxxf86vm-dev \
gcc \
git \
libepoxy-dev \
libegl1-mesa-dev \
libgbm-dev \
libclc-dev \
libxvmc-dev \
libomxil-bellagio-dev \
......@@ -61,22 +59,30 @@ apt-get install -y \
libelf-dev \
libunwind-dev \
libglvnd-dev \
libgtk-3-dev \
libpng-dev \
libgbm-dev \
libgles2-mesa-dev \
python-mako \
python3-mako \
meson \
scons
# autotools build deps
apt-get install -y \
automake \
libtool \
bison \
flex \
gettext \
make
cmake \
meson \
scons
# Cross-build Mesa deps
for arch in $CROSS_ARCHITECTURES; do
apt-get install -y --no-remove \
libdrm-dev:${arch} \
libexpat1-dev:${arch} \
libelf-dev:${arch} \
crossbuild-essential-${arch}
done
# for 64bit windows cross-builds
apt-get install -y mingw-w64
apt-get install -y --no-remove mingw-w64
# for the vulkan overlay layer
wget https://github.com/KhronosGroup/glslang/releases/download/master-tot/glslang-master-linux-Release.zip
......@@ -94,16 +100,16 @@ export XORGMACROS_VERSION=util-macros-1.19.0
export GLPROTO_VERSION=glproto-1.4.17
export DRI2PROTO_VERSION=dri2proto-2.8
export LIBPCIACCESS_VERSION=libpciaccess-0.13.4
export LIBDRM_VERSION=libdrm-2.4.97
export LIBDRM_VERSION=libdrm-2.4.99
export XCBPROTO_VERSION=xcb-proto-1.13
export RANDRPROTO_VERSION=randrproto-1.3.0
export LIBXRANDR_VERSION=libXrandr-1.3.0
export RANDRPROTO_VERSION=randrproto-1.5.0
export LIBXRANDR_VERSION=libXrandr-1.5.0
export LIBXCB_VERSION=libxcb-1.13
export LIBXSHMFENCE_VERSION=libxshmfence-1.3
export LIBVDPAU_VERSION=libvdpau-1.1
export LIBVA_VERSION=libva-1.7.0
export LIBWAYLAND_VERSION=wayland-1.15.0
export WAYLAND_PROTOCOLS_VERSION=wayland-protocols-1.8
export WAYLAND_PROTOCOLS_VERSION=wayland-protocols-1.12
wget $XORG_RELEASES/util/$XORGMACROS_VERSION.tar.bz2
tar -xvf $XORGMACROS_VERSION.tar.bz2 && rm $XORGMACROS_VERSION.tar.bz2
......@@ -175,20 +181,87 @@ tar -xvf $WAYLAND_PROTOCOLS_VERSION.tar.xz && rm $WAYLAND_PROTOCOLS_VERSION.tar.
cd $WAYLAND_PROTOCOLS_VERSION; ./configure; make install; cd ..
rm -rf $WAYLAND_PROTOCOLS_VERSION
pushd /usr/local
git clone https://gitlab.freedesktop.org/mesa/shader-db.git --depth 1
rm -rf shader-db/.git
cd shader-db
make
popd
# Use ccache to speed up builds
apt-get install -y ccache
apt-get install -y --no-remove ccache
# We need xmllint to validate the XML files in Mesa
apt-get install -y libxml2-utils
apt-get install -y --no-remove libxml2-utils
# Generate cross build files for Meson
for arch in $CROSS_ARCHITECTURES; do
cross_file="/cross_file-$arch.txt"
/usr/share/meson/debcrossgen --arch "$arch" -o "$cross_file"
# Explicitly set ccache path for cross compilers
sed -i "s|/usr/bin/\([^-]*\)-linux-gnu\([^-]*\)-g|/usr/lib/ccache/\\1-linux-gnu\\2-g|g" "$cross_file"
# Work around a bug in debcrossgen that should be fixed in the next release
if [ "$arch" = "i386" ]; then
sed -i "s|cpu_family = 'i686'|cpu_family = 'x86'|g" "$cross_file"
fi
done
############### Build dEQP
git config --global user.email "mesa@example.com"
git config --global user.name "Mesa CI"
# XXX: Use --depth 1 once we can drop the cherry-picks.
git clone \
https://github.com/KhronosGroup/VK-GL-CTS.git \
-b opengl-es-cts-3.2.5.1 \
/VK-GL-CTS
cd /VK-GL-CTS
# Fix surfaceless build
git cherry-pick -x 22f41e5e321c6dcd8569c4dad91bce89f06b3670
git cherry-pick -x 1daa8dff73161ea60ead965bd6c9f2a0a2165648
# surfaceless links against libkms and such despite not using it.
sed -i '/gbm/d' targets/surfaceless/surfaceless.cmake
sed -i '/libkms/d' targets/surfaceless/surfaceless.cmake
sed -i '/libgbm/d' targets/surfaceless/surfaceless.cmake
python3 external/fetch_sources.py
mkdir -p /deqp
cd /deqp
cmake -G Ninja \
-DDEQP_TARGET=surfaceless \
-DCMAKE_BUILD_TYPE=Release \
/VK-GL-CTS
ninja
# Copy out the mustpass lists we want from a bunch of other junk.
mkdir /deqp/mustpass
for gles in gles2 gles3 gles31; do
cp \
/deqp/external/openglcts/modules/gl_cts/data/mustpass/gles/aosp_mustpass/3.2.5.x/$gles-master.txt \
/deqp/mustpass/$gles-master.txt
done
# Remove the rest of the build products that we don't need.
rm -rf /deqp/external
rm -rf /deqp/modules/internal
rm -rf /deqp/executor
rm -rf /deqp/execserver
rm -rf /deqp/modules/egl
rm -rf /deqp/framework
du -sh *
rm -rf /VK-GL-CTS
############### Uninstall the build software
# Remove unused packages
apt-get purge -y \
automake \
libtool \
make \
curl \
unzip \
wget \
gnupg \
software-properties-common
unzip \
cmake \
git \
libgles2-mesa-dev \
libgbm-dev
apt-get autoremove -y --purge
#!/bin/bash
set -e
set -o xtrace
export DEBIAN_FRONTEND=noninteractive
apt-get install -y \
apt-transport-https \
ca-certificates
sed -i -e 's/http:\/\/deb/https:\/\/deb/g' /etc/apt/sources.list
echo 'deb https://deb.debian.org/debian stretch-backports main' >/etc/apt/sources.list.d/backports.list
apt-get update
# Use newer packages from backports by default
cat >/etc/apt/preferences <<EOF
Package: *
Pin: release a=stretch-backports
Pin-Priority: 500
EOF
apt-get dist-upgrade -y
apt-get install -y --no-remove \
llvm-3.9-dev \
libclang-3.9-dev \
llvm-4.0-dev \
libclang-4.0-dev \
llvm-5.0-dev \
libclang-5.0-dev \
g++ \
bzip2 \
ccache \
zlib1g-dev \
pkg-config \
gcc \
git \
libepoxy-dev \
libclc-dev \
xz-utils \
libdrm-dev \
libexpat1-dev \
libelf-dev \
libunwind-dev \
libpng-dev \
python-mako \
python3-mako \
bison \
flex \
gettext \
scons \
meson
############### Uninstall unused packages
apt-get autoremove -y --purge
#!/bin/bash
set -e
set -o xtrace
############### Install packages for building
apt-get update
apt-get -y install ca-certificates
apt-get -y install --no-install-recommends \
g++ \
git \
pkg-config \
python \
python3-pip \
python3-setuptools \
bison \
flex \
gettext \
cmake \
ninja-build \
bc \
bzip2 \
libssl-dev \
curl \
unzip \
wget \
procps \
libexpat1 \
libelf1 \
zlib1g-dev \
libpng-dev \
libgbm-dev \
libgles2-mesa-dev
export LIBDRM_VERSION=libdrm-2.4.99
pip3 install meson
############### Build libdrm