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Subject[PATCH 05/25] selftests/ftrace: More initialize features in initialize_ftrace
Date
Clear pid filter, synthetic_events, snapshots,
and trace log in initialize_ftrace(), since
those are used in test cases.

Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
---
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 e4645d5e3126..f17eaf3582b2 100644
--- a/tools/testing/selftests/ftrace/test.d/functions
+++ b/tools/testing/selftests/ftrace/test.d/functions
@@ -91,10 +91,14 @@ initialize_ftrace() { # Reset ftrace to initial-state
reset_events_filter
disable_events
echo > set_event_pid # event tracer is always on
+ echo > set_ftrace_pid
[ -f set_ftrace_filter ] && echo | tee set_ftrace_*
[ -f set_graph_function ] && echo | tee set_graph_*
[ -f stack_trace_filter ] && echo > stack_trace_filter
[ -f kprobe_events ] && echo > kprobe_events
[ -f uprobe_events ] && echo > uprobe_events
+ [ -f synthetic_events ] && echo > synthetic_events
+ [ -f snapshot ] && echo 0 > snapshot
+ clear_trace
enable_tracing
}
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