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 <[email protected]>
Acked-by: Masami Hiramatsu <[email protected]>
Acked-by: Steven Rostedt (VMware) <[email protected]>
Signed-off-by: Shuah Khan <[email protected]>

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 2a1cb990874613c5ee9da2d371b95899d8eaa81a..a4fd4c851a5b7f27520801858d8f1f24e34ba56e 100644 (file)
--- 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