linux-kernel - [PATCH 1/3] selftests/ftrace: multiple

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Message-Id: <20170908120119.29724-1-thomas@m3y3r.de>
Date:   Fri,  8 Sep 2017 14:01:17 +0200
From:   Thomas Meyer <thomas@...3r.de>
To:     linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org,
        shuah@...nel.org
Cc:     Thomas Meyer <thomas@...3r.de>
Subject: [PATCH 1/3] selftests/ftrace: multiple_kprobes: Also check for support

The multiple_kprobes test case fails to check for KPROBE_EVENT support.
Add the check to prevent a false test result.

Signed-off-by: Thomas Meyer <thomas@...3r.de>
---
 tools/testing/selftests/ftrace/test.d/kprobe/multiple_kprobes.tc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/multiple_kprobes.tc b/tools/testing/selftests/ftrace/test.d/kprobe/multiple_kprobes.tc
index 2a1cb9908746..a4fd4c851a5b 100644
--- a/tools/testing/selftests/ftrace/test.d/kprobe/multiple_kprobes.tc
+++ b/tools/testing/selftests/ftrace/test.d/kprobe/multiple_kprobes.tc
@@ -1,6 +1,8 @@
 #!/bin/sh
 # description: Register/unregister many kprobe events
 
+[ -f kprobe_events ] || exit_unsupported # this is configurable
+
 # ftrace fentry skip size depends on the machine architecture.
 # Currently HAVE_KPROBES_ON_FTRACE defined on x86 and powerpc64le
 case `uname -m` in
-- 
2.11.0