[RFC PATCH 3/4 v2] ftracetest: Add helper reset_tracer() function

[Steven Rostedt]

From: "Steven Rostedt (Red Hat)" <rostedt@xxxxxxxxxxx>

Add a helper function reset_tracer() that will clear the current_tracer
(echo nop > current_tracer).

Signed-off-by: Steven Rostedt <rostedt@xxxxxxxxxxx>
---
 tools/testing/selftests/ftrace/test.d/functions | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tools/testing/selftests/ftrace/test.d/functions b/tools/testing/selftests/ftrace/test.d/functions
index c5bf630e9be8..5d8cd06d920f 100644
--- a/tools/testing/selftests/ftrace/test.d/functions
+++ b/tools/testing/selftests/ftrace/test.d/functions
@@ -10,3 +10,7 @@ disable_tracing() { # stop trace recording
 enable_tracing() { # start trace recording
     echo 1 > tracing_on
 }
+
+reset_tracer() { # reset the current tracer
+    echo nop > current_tracer
+}
-- 
2.1.1


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