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Message-ID: <175673794034.478080.9788390554653757444.stgit@devnote2>
Date: Mon, 1 Sep 2025 23:45:40 +0900
From: "Masami Hiramatsu (Google)" <mhiramat@...nel.org>
To: Steven Rostedt <rostedt@...dmis.org>,
Peter Zijlstra <peterz@...radead.org>,
Ingo Molnar <mingo@...nel.org>,
x86@...nel.org
Cc: Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
Masami Hiramatsu <mhiramat@...nel.org>,
Thomas Gleixner <tglx@...utronix.de>,
Borislav Petkov <bp@...en8.de>,
Dave Hansen <dave.hansen@...ux.intel.com>,
"H . Peter Anvin" <hpa@...or.com>,
Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
Ian Rogers <irogers@...gle.com>,
linux-kernel@...r.kernel.org,
linux-trace-kernel@...r.kernel.org,
linux-doc@...r.kernel.org,
linux-perf-users@...r.kernel.org
Subject: [RFC PATCH 6/6] selftests: tracing: Add syntax testcase for wprobe
From: Masami Hiramatsu (Google) <mhiramat@...nel.org>
Add "wprobe_syntax_errors.tc" testcase for testing syntax errors
of the watch probe events.
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@...nel.org>
---
.../test.d/dynevent/wprobes_syntax_errors.tc | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
create mode 100644 tools/testing/selftests/ftrace/test.d/dynevent/wprobes_syntax_errors.tc
diff --git a/tools/testing/selftests/ftrace/test.d/dynevent/wprobes_syntax_errors.tc b/tools/testing/selftests/ftrace/test.d/dynevent/wprobes_syntax_errors.tc
new file mode 100644
index 000000000000..82a273d9efb4
--- /dev/null
+++ b/tools/testing/selftests/ftrace/test.d/dynevent/wprobes_syntax_errors.tc
@@ -0,0 +1,20 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+# description: Watch probe event parser error log check
+# requires: dynamic_events "w[:[<group>/][<event>]] [r|w|rw]@<addr>[:<len>]":README
+
+check_error() { # command-with-error-pos-by-^
+ ftrace_errlog_check 'event_probe' "$1" 'dynamic_events'
+}
+
+check_error 'w ^symbol' # BAD_ACCESS_FMT
+check_error 'w ^a@...bol' # BAD_ACCESS_TYPE
+check_error 'w w@...mbol' # BAD_ACCESS_ADDR
+check_error 'w w@...ffies+offset' # BAD_ACCESS_ADDR
+check_error 'w w@...fies:^100' # BAD_ACCESS_LEN
+check_error 'w w@...fies ^$arg1' # BAD_VAR
+check_error 'w w@...fies ^$retval' # BAD_VAR
+check_error 'w w@...fies ^$stack' # BAD_VAR
+check_error 'w w@...fies ^%ax' # BAD_VAR
+
+exit 0
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