[RFC PATCH 2/4 v2] ftracetest: Add disable/enable_tracing() helper calls

[Steven Rostedt <rostedt@goodmis.org>]

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From: "Steven Rostedt (Red Hat)" <rostedt@goodmis.org>

Add calls that disable and enable tracing respectively by echoing
0 or 1 into tracing_on.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
 tools/testing/selftests/ftrace/test.d/functions | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/tools/testing/selftests/ftrace/test.d/functions b/tools/testing/selftests/ftrace/test.d/functions
index 1aa9f2e9c40b..c5bf630e9be8 100644
--- a/tools/testing/selftests/ftrace/test.d/functions
+++ b/tools/testing/selftests/ftrace/test.d/functions
@@ -2,3 +2,11 @@
 clear_trace() { # reset trace output
     echo > trace
 }
+
+disable_tracing() { # stop trace recording
+    echo 0 > tracing_on
+}
+
+enable_tracing() { # start trace recording
+    echo 1 > tracing_on
+}
-- 
2.1.1