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selftests/ftrace: More initialize features in initialize_ftrace

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Clear pid filter, synthetic_events, snapshots,
ftrace filter, and trace log in initialize_ftrace(),
since those are used in test cases.

Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Shuah Khan (Samsung OSG) <shuah@kernel.org>
This commit is contained in:
Masami Hiramatsu 2018-08-30 23:14:19 +09:00 committed by Shuah Khan (Samsung OSG)
parent 7d0abba429
commit 7590472e78
1 changed files with 5 additions and 0 deletions
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5
tools/testing/selftests/ftrace/test.d/functions
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@ -89,12 +89,17 @@ initialize_ftrace() { # Reset ftrace to initial-state
reset_tracer
reset_trigger
reset_events_filter
reset_ftrace_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
}