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selftests/ftrace: Add syntax error test for multiprobe

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Add syntax error test cases for multiprobe appending
errors.

Link: http://lkml.kernel.org/r/156095694541.28024.11918630805148623119.stgit@devnote2

Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
This commit is contained in:
Masami Hiramatsu 2019-06-20 00:09:05 +09:00 committed by Steven Rostedt (VMware)
parent 3e662c54a1
commit 7f5291da4b
2 changed files with 11 additions and 1 deletions
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2
tools/testing/selftests/ftrace/test.d/functions
View File

@ -115,7 +115,7 @@ ftrace_errlog_check() { # err-prefix command-with-error-pos-by-^ command-file
command=$(echo "$2" | tr -d ^)
echo "Test command: $command"
echo > error_log
(! echo "$command" > "$3" ) 2> /dev/null
(! echo "$command" >> "$3" ) 2> /dev/null
grep "$1: error:" -A 3 error_log
N=$(tail -n 1 error_log | wc -c)
# " Command: " and "^\n" => 13

10
tools/testing/selftests/ftrace/test.d/kprobe/kprobe_syntax_errors.tc
View File

@ -87,4 +87,14 @@ case $(uname -m) in
;;
esac
# multiprobe errors
if grep -q "Create/append/" README && grep -q "imm-value" README; then
echo 'p:kprobes/testevent _do_fork' > kprobe_events
check_error '^r:kprobes/testevent do_exit' # DIFF_PROBE_TYPE
echo 'p:kprobes/testevent _do_fork abcd=\1' > kprobe_events
check_error 'p:kprobes/testevent _do_fork ^bcd=\1' # DIFF_ARG_TYPE
check_error 'p:kprobes/testevent _do_fork ^abcd=\1:u8' # DIFF_ARG_TYPE
check_error 'p:kprobes/testevent _do_fork ^abcd=\"foo"' # DIFF_ARG_TYPE
fi
exit 0