Files
linux-nvgpu/userspace/unit.sh
Alex Waterman ec9e8bcbc7 gpu: nvgpu: Use single threaded unit testing
The parallel unit testing is simply too buggy due to unit tests
not being completely independent. We need to determine exactly
what they are sharing and get rid of that.

For now, force unit tests to run one at a time. This should help
avoid many of the race conditions we see.

Bug 2711887

Change-Id: I04de51998b907d2c2195ea56f6092bbf76ffa1e3
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2204721
Reviewed-by: Vinod Gopalakrishnakurup <vinodg@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-by: Joshua Widen <jwiden@nvidia.com>
Tested-by: Joshua Widen <jwiden@nvidia.com>
2020-12-15 14:05:52 -06:00

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#!/bin/bash
#
# Copyright (c) 2019, NVIDIA CORPORATION. All Rights Reserved.
#
# Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the "Software"),
# to deal in the Software without restriction, including without limitation
# the rights to use, copy, modify, merge, publish, distribute, sublicense,
# and/or sell copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
# DEALINGS IN THE SOFTWARE.
#
# Execute the unit test. Args to this script are passed on to the unit test
# core. This just serves to set the LD_LIBRARY_PATH environment variable such
# that unit tests are found and nvgpu-drv is found.
#
options=$(getopt -o t: --long test-level: -- "$@")
this_script_dir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" > /dev/null && pwd )"
pushd $this_script_dir
if [ -f nvgpu_unit ]; then
# if the executable is in the current directory, we are running on
# target, so use that dir structure
LD_LIBRARY_PATH=".:units"
cores=$(cat /proc/cpuinfo |grep processor |wc -l)
# Ignore number of cores for now; it seems that the parallel unit
# tests are just too buggy and that they really don't save much
# actual computing time.
NVGPU_UNIT="./nvgpu_unit --nvtest --unit-load-path units/ --no-color \
--num-threads 1"
else
# running on host
LD_LIBRARY_PATH="build:build/units"
# On host, must run single-threaded to avoid high VAs
NVGPU_UNIT="./build/nvgpu_unit --num-threads 1"
fi
export LD_LIBRARY_PATH
echo "$ $NVGPU_UNIT $*"
$NVGPU_UNIT $*
rc=$?
if [ $rc -eq "0" ]; then
#get the test level, if passed into this script
eval set -- $options
while true; do
case "$1" in
-t|--test-level)
shift;
testlevelparam="-t $1"
;;
--)
shift;
break;
;;
esac
shift
done
echo $testlevelparam
echo "Checking executed tests against list of required tests:"
./testlist.py --html $testlevelparam
rc=$?
fi
popd
exit $rc