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selftests: Extract run_kselftest.sh and generate stand-alone test list

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Instead of building a script on the fly (which just repeats the same
thing for each test collection), move the script out of the Makefile and
into run_kselftest.sh, which reads kselftest-list.txt.

Adjust the emit_tests target to report each test on a separate line so
that test running tools (e.g. LAVA) can easily remove individual
tests (for example, as seen in [1]).

[1] 2e7b62155e

Signed-off-by: Kees Cook <keescook@chromium.org>
Tested-by: Naresh Kamboju <naresh.kamboju@linaro.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
This commit is contained in:
Kees Cook 2020-09-28 13:26:48 -07:00 committed by Shuah Khan
parent 997a91fd44
commit f0f0a5df4e
3 changed files with 37 additions and 22 deletions
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26
tools/testing/selftests/Makefile
View File

@ -206,6 +206,7 @@ KSFT_INSTALL_PATH := $(abspath $(KSFT_INSTALL_PATH))
# Avoid changing the rest of the logic here and lib.mk.
INSTALL_PATH := $(KSFT_INSTALL_PATH)
ALL_SCRIPT := $(INSTALL_PATH)/run_kselftest.sh
TEST_LIST := $(INSTALL_PATH)/kselftest-list.txt
install: all
ifdef INSTALL_PATH
@ -214,6 +215,8 @@ ifdef INSTALL_PATH
install -m 744 kselftest/module.sh $(INSTALL_PATH)/kselftest/
install -m 744 kselftest/runner.sh $(INSTALL_PATH)/kselftest/
install -m 744 kselftest/prefix.pl $(INSTALL_PATH)/kselftest/
install -m 744 run_kselftest.sh $(INSTALL_PATH)/
rm -f $(TEST_LIST)
@ret=1; \
for TARGET in $(TARGETS); do \
BUILD_TARGET=$$BUILD/$$TARGET; \
@ -222,33 +225,18 @@ ifdef INSTALL_PATH
ret=$$((ret * $$?)); \
done; exit $$ret;
@# Ask all targets to emit their test scripts
echo "#!/bin/sh" > $(ALL_SCRIPT)
echo "BASE_DIR=\$$(realpath \$$(dirname \$$0))" >> $(ALL_SCRIPT)
echo "cd \$$BASE_DIR" >> $(ALL_SCRIPT)
echo ". ./kselftest/runner.sh" >> $(ALL_SCRIPT)
echo "ROOT=\$$PWD" >> $(ALL_SCRIPT)
echo "if [ \"\$$1\" = \"--summary\" ]; then" >> $(ALL_SCRIPT)
echo " logfile=\$$BASE_DIR/output.log" >> $(ALL_SCRIPT)
echo " cat /dev/null > \$$logfile" >> $(ALL_SCRIPT)
echo "fi" >> $(ALL_SCRIPT)
@# While building run_kselftest.sh skip also non-existent TARGET dirs:
@# Ask all targets to emit their test scripts
@# While building kselftest-list.text skip also non-existent TARGET dirs:
@# they could be the result of a build failure and should NOT be
@# included in the generated runlist.
for TARGET in $(TARGETS); do \
BUILD_TARGET=$$BUILD/$$TARGET; \
[ ! -d $(INSTALL_PATH)/$$TARGET ] && echo "Skipping non-existent dir: $$TARGET" && continue; \
echo "[ -w /dev/kmsg ] && echo \"kselftest: Running tests in $$TARGET\" >> /dev/kmsg" >> $(ALL_SCRIPT); \
echo "cd $$TARGET" >> $(ALL_SCRIPT); \
echo -n "run_many" >> $(ALL_SCRIPT); \
echo -n "Emit Tests for $$TARGET\n"; \
$(MAKE) -s --no-print-directory OUTPUT=$$BUILD_TARGET -C $$TARGET emit_tests >> $(ALL_SCRIPT); \
echo "" >> $(ALL_SCRIPT); \
echo "cd \$$ROOT" >> $(ALL_SCRIPT); \
$(MAKE) -s --no-print-directory OUTPUT=$$BUILD_TARGET COLLECTION=$$TARGET \
-C $$TARGET emit_tests >> $(TEST_LIST); \
done;
chmod u+x $(ALL_SCRIPT)
else
$(error Error: set INSTALL_PATH to use install)
endif

5
tools/testing/selftests/lib.mk
View File

@ -107,9 +107,8 @@ endif
emit_tests:
for TEST in $(TEST_GEN_PROGS) $(TEST_CUSTOM_PROGS) $(TEST_PROGS); do \
BASENAME_TEST=`basename $$TEST`; \
echo " \\"; \
echo -n " \"$$BASENAME_TEST\""; \
done; \
echo "$(COLLECTION):$$BASENAME_TEST"; \
done
# define if isn't already. It is undefined in make O= case.
ifeq ($(RM),)

28
tools/testing/selftests/run_kselftest.sh Executable file
View File

@ -0,0 +1,28 @@
#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
#
# Run installed kselftest tests.
#
BASE_DIR=$(realpath $(dirname $0))
cd $BASE_DIR
TESTS="$BASE_DIR"/kselftest-list.txt
if [ ! -r "$TESTS" ] ; then
echo "$0: Could not find list of tests to run ($TESTS)" >&2
exit 1
fi
available="$(cat "$TESTS")"
. ./kselftest/runner.sh
ROOT=$PWD
if [ "$1" = "--summary" ] ; then
logfile="$BASE_DIR"/output.log
cat /dev/null > $logfile
fi
collections=$(echo "$available" | cut -d: -f1 | uniq)
for collection in $collections ; do
[ -w /dev/kmsg ] && echo "kselftest: Running tests in $collection" >> /dev/kmsg
tests=$(echo "$available" | grep "^$collection:" | cut -d: -f2)
(cd "$collection" && run_many $tests)
done