Introduce "requires:" list to check required ftrace interface for each test. This will simplify the interface checking code and unify the error message. Another good point is, it can skip the ftrace initializing.
Note that this requires list must be written as a shell comment.
Signed-off-by: Masami Hiramatsu mhiramat@kernel.org Reviewed-by: Tom Zanussi zanussi@kernel.org --- Changes in v3: - Fixes a comment in template file. --- tools/testing/selftests/ftrace/ftracetest | 8 +++++++- tools/testing/selftests/ftrace/test.d/functions | 9 +++++++++ tools/testing/selftests/ftrace/test.d/template | 1 + 3 files changed, 17 insertions(+), 1 deletion(-)
diff --git a/tools/testing/selftests/ftrace/ftracetest b/tools/testing/selftests/ftrace/ftracetest index d3f6652311ef..cdf7940b6610 100755 --- a/tools/testing/selftests/ftrace/ftracetest +++ b/tools/testing/selftests/ftrace/ftracetest @@ -267,6 +267,11 @@ testcase() { # testfile prlog -n "[$CASENO]$INSTANCE$desc" }
+checkreq() { # testfile + requires=`grep "^#[ \t]*requires:" $1 | cut -f2- -d:` + check_requires $requires +} + test_on_instance() { # testfile grep -q "^#[ \t]*flags:.*instance" $1 } @@ -356,7 +361,8 @@ trap 'SIG_RESULT=$XFAIL' $SIG_XFAIL
__run_test() { # testfile # setup PID and PPID, $$ is not updated. - (cd $TRACING_DIR; read PID _ < /proc/self/stat; set -e; set -x; initialize_ftrace; . $1) + (cd $TRACING_DIR; read PID _ < /proc/self/stat; set -e; set -x; + checkreq $1; initialize_ftrace; . $1) [ $? -ne 0 ] && kill -s $SIG_FAIL $SIG_PID }
diff --git a/tools/testing/selftests/ftrace/test.d/functions b/tools/testing/selftests/ftrace/test.d/functions index 697c77ef2e2b..5100eb1ada0f 100644 --- a/tools/testing/selftests/ftrace/test.d/functions +++ b/tools/testing/selftests/ftrace/test.d/functions @@ -113,6 +113,15 @@ initialize_ftrace() { # Reset ftrace to initial-state enable_tracing }
+check_requires() { # Check required files + for i in $* ; do + if [ ! -e $i ]; then + echo "Required feature interface $i doesn't exist." + exit_unsupported + fi + done +} + LOCALHOST=127.0.0.1
yield() { diff --git a/tools/testing/selftests/ftrace/test.d/template b/tools/testing/selftests/ftrace/test.d/template index e1a5d14c4eaf..611423c4e75f 100644 --- a/tools/testing/selftests/ftrace/test.d/template +++ b/tools/testing/selftests/ftrace/test.d/template @@ -1,6 +1,7 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: %HERE DESCRIBE WHAT THIS DOES% +# requires: %HERE LIST THE REQUIRED FILES% # you have to add ".tc" extention for your testcase file # Note that all tests are run with "errexit" option.