Previously CXL event testing was run by hand. This reduces testing coverage including a lack of regression testing.
Add a CXL test as part of the meson test infrastructure. Passing is predicated on receiving the appropriate number of errors in each log. Individual event values are not checked. Signed-off-by: Ira Weiny <ira.we...@intel.com> --- test/cxl-events.sh | 68 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ test/meson.build | 2 ++ 2 files changed, 70 insertions(+) diff --git a/test/cxl-events.sh b/test/cxl-events.sh new file mode 100644 index 000000000000..f51046ec39ad --- /dev/null +++ b/test/cxl-events.sh @@ -0,0 +1,68 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 +# Copyright (C) 2023 Intel Corporation. All rights reserved. + +. $(dirname $0)/common + +set -ex + +trap 'err $LINENO' ERR + +check_prereq "jq" + +modprobe -r cxl_test +modprobe cxl_test + +dev_path="/sys/bus/platform/devices" + +test_cxl_events() +{ + memdev="$1" + + echo "TEST: triggering $memdev" + echo 1 > $dev_path/$memdev/event_trigger +} + +readarray -t memdevs < <("$CXL" list -b cxl_test -Mi | jq -r '.[].host') + +echo "TEST: Prep event trace" +echo "" > /sys/kernel/tracing/trace +echo 1 > /sys/kernel/tracing/events/cxl/enable +echo 1 > /sys/kernel/tracing/tracing_on + +# Only need to test 1 device +#for memdev in ${memdevs[@]}; do +#done + +test_cxl_events "$memdevs" + +echo 0 > /sys/kernel/tracing/tracing_on + +echo "TEST: Events seen" +cat /sys/kernel/tracing/trace +num_overflow=$(grep "cxl_overflow" /sys/kernel/tracing/trace | wc -l) +num_fatal=$(grep "log=Fatal" /sys/kernel/tracing/trace | wc -l) +num_failure=$(grep "log=Failure" /sys/kernel/tracing/trace | wc -l) +num_info=$(grep "log=Informational" /sys/kernel/tracing/trace | wc -l) +echo " LOG (Expected) : (Found)" +echo " overflow ( 1) : $num_overflow" +echo " Fatal ( 2) : $num_fatal" +echo " Failure (16) : $num_failure" +echo " Informational ( 3) : $num_info" + +if [ "$num_overflow" -ne 1 ]; then + err "$LINENO" +fi +if [ "$num_fatal" -ne 2 ]; then + err "$LINENO" +fi +if [ "$num_failure" -ne 16 ]; then + err "$LINENO" +fi +if [ "$num_info" -ne 3 ]; then + err "$LINENO" +fi + +check_dmesg "$LINENO" + +modprobe -r cxl_test diff --git a/test/meson.build b/test/meson.build index a956885f6df6..a33255bde1a8 100644 --- a/test/meson.build +++ b/test/meson.build @@ -155,6 +155,7 @@ cxl_sysfs = find_program('cxl-region-sysfs.sh') cxl_labels = find_program('cxl-labels.sh') cxl_create_region = find_program('cxl-create-region.sh') cxl_xor_region = find_program('cxl-xor-region.sh') +cxl_events = find_program('cxl-events.sh') tests = [ [ 'libndctl', libndctl, 'ndctl' ], @@ -183,6 +184,7 @@ tests = [ [ 'cxl-labels.sh', cxl_labels, 'cxl' ], [ 'cxl-create-region.sh', cxl_create_region, 'cxl' ], [ 'cxl-xor-region.sh', cxl_xor_region, 'cxl' ], + [ 'cxl-events.sh', cxl_events, 'cxl' ], ] if get_option('destructive').enabled() --- base-commit: 2fd570a0ed788b1bd0971dfdb1466a5dbcb79775 change-id: 20230726-cxl-event-dc00a2f94b60 Best regards, -- Ira Weiny <ira.we...@intel.com>