linux-kernel - [PATCH v7 5/6] selftests/ftrace: Update synthetic event syntax errors

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Message-Id: <51402656433455baead34f068c6e9466b64df9c0.1612208610.git.zanussi@kernel.org>
Date:   Mon,  1 Feb 2021 13:48:15 -0600
From:   Tom Zanussi <zanussi@...nel.org>
To:     rostedt@...dmis.org, axelrasmussen@...gle.com
Cc:     mhiramat@...nel.org, dan.carpenter@...cle.com,
        linux-kernel@...r.kernel.org
Subject: [PATCH v7 5/6] selftests/ftrace: Update synthetic event syntax errors

Some of the synthetic event errors and positions have changed in the
code - update those and add several more tests.

Also add a runtime check to ensure that the kernel supports dynamic
strings in synthetic events, which these tests require.

Fixes: 81ff92a93d95 (selftests/ftrace: Add test case for synthetic
event syntax errors)

Reported-by: Masami Hiramatsu <mhiramat@...nel.org>
Signed-off-by: Tom Zanussi <zanussi@...nel.org>
---
 .../trigger-synthetic_event_syntax_errors.tc  | 35 ++++++++++++++-----
 1 file changed, 27 insertions(+), 8 deletions(-)

diff --git a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-synthetic_event_syntax_errors.tc b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-synthetic_event_syntax_errors.tc
index ada594fe16cb..955e3ceea44b 100644
--- a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-synthetic_event_syntax_errors.tc
+++ b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-synthetic_event_syntax_errors.tc
@@ -1,19 +1,38 @@
 #!/bin/sh
 # SPDX-License-Identifier: GPL-2.0
 # description: event trigger - test synthetic_events syntax parser errors
-# requires: synthetic_events error_log
+# requires: synthetic_events error_log "char name[]' >> synthetic_events":README
 
 check_error() { # command-with-error-pos-by-^
     ftrace_errlog_check 'synthetic_events' "$1" 'synthetic_events'
 }
 
+check_dyn_error() { # command-with-error-pos-by-^
+    ftrace_errlog_check 'synthetic_events' "$1" 'dynamic_events'
+}
+
 check_error 'myevent ^chr arg'			# INVALID_TYPE
-check_error 'myevent ^char str[];; int v'	# INVALID_TYPE
-check_error 'myevent char ^str]; int v'		# INVALID_NAME
-check_error 'myevent char ^str;[]'		# INVALID_NAME
-check_error 'myevent ^char str[; int v'		# INVALID_TYPE
-check_error '^mye;vent char str[]'		# BAD_NAME
-check_error 'myevent char str[]; ^int'		# INVALID_FIELD
-check_error '^myevent'				# INCOMPLETE_CMD
+check_error 'myevent ^unsigned arg'		# INCOMPLETE_TYPE
+
+check_error 'myevent char ^str]; int v'		# BAD_NAME
+check_error '^mye-vent char str[]'		# BAD_NAME
+check_error 'myevent char ^st-r[]'		# BAD_NAME
+
+check_error 'myevent char str;^[]'		# INVALID_FIELD
+check_error 'myevent char str; ^int'		# INVALID_FIELD
+
+check_error 'myevent char ^str[; int v'		# INVALID_ARRAY_SPEC
+check_error 'myevent char ^str[kdjdk]'		# INVALID_ARRAY_SPEC
+check_error 'myevent char ^str[257]'		# INVALID_ARRAY_SPEC
+
+check_error '^mye;vent char str[]'		# INVALID_CMD
+check_error '^myevent ; char str[]'		# INVALID_CMD
+check_error '^myevent; char str[]'		# INVALID_CMD
+check_error '^myevent ;char str[]'		# INVALID_CMD
+check_error '^; char str[]'			# INVALID_CMD
+check_error '^;myevent char str[]'		# INVALID_CMD
+check_error '^myevent'				# INVALID_CMD
+
+check_dyn_error '^s:junk/myevent char str['	# INVALID_DYN_CMD
 
 exit 0
-- 
2.17.1