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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