[PATCH v3 04/28] selftests/ftrace: More initialize features in initialize_ftrace
From: Masami Hiramatsu <hidden>
Date: 2018-08-30 14:14:46
Also in:
lkml
Subsystem:
kernel selftest framework, the rest, tracing · Maintainers:
Shuah Khan, Linus Torvalds, Steven Rostedt, Masami Hiramatsu
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 at kernel.org> Acked-by: Steven Rostedt (VMware) <rostedt at goodmis.org> --- Changes in v2: - Add reset_ftrace_filter --- tools/testing/selftests/ftrace/test.d/functions | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/tools/testing/selftests/ftrace/test.d/functions b/tools/testing/selftests/ftrace/test.d/functions
index e4645d5e3126..b2bfa4dd43f7 100644
--- a/tools/testing/selftests/ftrace/test.d/functions
+++ b/tools/testing/selftests/ftrace/test.d/functions@@ -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 }