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Commit 35cb5ed0 authored by Frédéric Weisbecker's avatar Frédéric Weisbecker Committed by Ingo Molnar
Browse files

tracing/ftrace: make nop tracer reset previous entries 



If nop tracer is selected, some old entries from the previous tracer
could still be enqueued. Tracing have to be reset.

Signed-off-by: default avatarFrederic Weisbecker <fweisbec@gmail.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Steven Noonan <steven@uplinklabs.net>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 8925b394

kernel/trace/trace_nop.c

+4 −0
Original line number Diff line number Diff line
@@ -26,8 +26,12 @@ static void stop_nop_trace(struct trace_array *tr) 


static void nop_trace_init(struct trace_array *tr)

{

	int cpu;

	ctx_trace = tr;



	for_each_online_cpu(cpu)

		tracing_reset(tr->data[cpu]);



	if (tr->ctrl)

		start_nop_trace(tr);

}