linux-kernel - [PATCH v5 09/11] selftests/ftrace: Add tracing/error

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Date:   Sun, 31 Mar 2019 18:48:23 -0500
From:   Tom Zanussi <zanussi@...nel.org>
To:     rostedt@...dmis.org
Cc:     tglx@...utronix.de, mhiramat@...nel.org, namhyung@...nel.org,
        bigeasy@...utronix.de, joel@...lfernandes.org,
        linux-kernel@...r.kernel.org, linux-rt-users@...r.kernel.org
Subject: [PATCH v5 09/11] selftests/ftrace: Add tracing/error_log testcase

From: Tom Zanussi <tom.zanussi@...ux.intel.com>

Add a testcase verifying basic tracing/error_log functionality.

Signed-off-by: Tom Zanussi <tom.zanussi@...ux.intel.com>
Acked-by: Namhyung Kim <namhyung@...nel.org>
---
 .../ftrace/test.d/ftrace/tracing-error-log.tc         | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 tools/testing/selftests/ftrace/test.d/ftrace/tracing-error-log.tc

diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/tracing-error-log.tc b/tools/testing/selftests/ftrace/test.d/ftrace/tracing-error-log.tc
new file mode 100644
index 000000000000..021c03fd885d
--- /dev/null
+++ b/tools/testing/selftests/ftrace/test.d/ftrace/tracing-error-log.tc
@@ -0,0 +1,19 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+# description: ftrace - test tracing error log support
+
+fail() { #msg
+    echo $1
+    exit_fail
+}
+
+# event tracing is currently the only ftrace tracer that uses the
+# tracing error_log, hence this check
+if [ ! -f set_event ]; then
+    echo "event tracing is not supported"
+    exit_unsupported
+fi
+
+ftrace_errlog_check 'event filter parse error' '((sig >= 10 && sig < 15) || dsig ^== 17) && comm != bash' 'events/signal/signal_generate/filter'
+
+exit 0
-- 
2.14.1