selftests/ftrace: Add eprobe syntax error testcase

Add a syntax error test case for eprobe as same as kprobes.

Link: https://lkml.kernel.org/r/165932115471.2850673.8014722990775242727.stgit@devnote2
Cc: Tzvetomir Stoyanov <tz.stoyanov@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>

diff --git a/tools/testing/selftests/ftrace/test.d/dynevent/eprobes_syntax_errors.tc b/tools/testing/selftests/ftrace/test.d/dynevent/eprobes_syntax_errors.tc
new file mode 100644 (file)
index 0000000..fc1daac
--- /dev/null
+++ b/tools/testing/selftests/ftrace/test.d/dynevent/eprobes_syntax_errors.tc
@@ -0,0 +1,27 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+# description: Event probe event parser error log check
+# requires: dynamic_events events/syscalls/sys_enter_openat "<attached-group>.<attached-event> [<args>]":README error_log
+
+check_error() { # command-with-error-pos-by-^
+    ftrace_errlog_check 'event_probe' "$1" 'dynamic_events'
+}
+
+check_error 'e ^a.'                    # NO_EVENT_INFO
+check_error 'e ^.b'                    # NO_EVENT_INFO
+check_error 'e ^a.b'                   # BAD_ATTACH_EVENT
+check_error 'e syscalls/sys_enter_openat ^foo' # BAD_ATTACH_ARG
+check_error 'e:^/bar syscalls/sys_enter_openat'        # NO_GROUP_NAME
+check_error 'e:^12345678901234567890123456789012345678901234567890123456789012345/bar syscalls/sys_enter_openat'       # GROUP_TOO_LONG
+
+check_error 'e:^foo.1/bar syscalls/sys_enter_openat'   # BAD_GROUP_NAME
+check_error 'e:^ syscalls/sys_enter_openat'            # NO_EVENT_NAME
+check_error 'e:foo/^12345678901234567890123456789012345678901234567890123456789012345 syscalls/sys_enter_openat'       # EVENT_TOO_LONG
+check_error 'e:foo/^bar.1 syscalls/sys_enter_openat'   # BAD_EVENT_NAME
+
+check_error 'e:foo/bar syscalls/sys_enter_openat arg=^dfd'     # BAD_FETCH_ARG
+check_error 'e:foo/bar syscalls/sys_enter_openat ^arg=$foo'    # BAD_ATTACH_ARG
+
+check_error 'e:foo/bar syscalls/sys_enter_openat if ^' # NO_EP_FILTER
+
+exit 0