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Commit d8c4deee authored by Joel Fernandes's avatar Joel Fernandes Committed by Steven Rostedt (VMware)
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tracing: Remove obsolete sched_switch tracer selftest 

Since commit 87d80de2 ("tracing: Remove
obsolete sched_switch tracer"), the sched_switch tracer selftest is no longer
used.  This patch removes the same.

Link: http://lkml.kernel.org/r/20170909065517.22262-1-joelaf@google.com



Cc: Ingo Molnar <mingo@redhat.com>
Cc: kernel-team@android.com
Signed-off-by: default avatarJoel Fernandes <joelaf@google.com>
Signed-off-by: default avatarSteven Rostedt (VMware) <rostedt@goodmis.org>
parent 9e66317d

kernel/trace/trace.h

+0 −2
Original line number Diff line number Diff line
@@ -738,8 +738,6 @@ extern int trace_selftest_startup_wakeup(struct tracer *trace, 
					 struct trace_array *tr);

extern int trace_selftest_startup_nop(struct tracer *trace,

					 struct trace_array *tr);

extern int trace_selftest_startup_sched_switch(struct tracer *trace,

					       struct trace_array *tr);

extern int trace_selftest_startup_branch(struct tracer *trace,

					 struct trace_array *tr);

/*

kernel/trace/trace_selftest.c

+0 −32
Original line number Diff line number Diff line
@@ -1150,38 +1150,6 @@ trace_selftest_startup_wakeup(struct tracer *trace, struct trace_array *tr) 
}

#endif /* CONFIG_SCHED_TRACER */



#ifdef CONFIG_CONTEXT_SWITCH_TRACER

int

trace_selftest_startup_sched_switch(struct tracer *trace, struct trace_array *tr)

{

	unsigned long count;

	int ret;



	/* start the tracing */

	ret = tracer_init(trace, tr);

	if (ret) {

		warn_failed_init_tracer(trace, ret);

		return ret;

	}



	/* Sleep for a 1/10 of a second */

	msleep(100);

	/* stop the tracing. */

	tracing_stop();

	/* check the trace buffer */

	ret = trace_test_buffer(&tr->trace_buffer, &count);

	trace->reset(tr);

	tracing_start();



	if (!ret && !count) {

		printk(KERN_CONT ".. no entries found ..");

		ret = -1;

	}



	return ret;

}

#endif /* CONFIG_CONTEXT_SWITCH_TRACER */



#ifdef CONFIG_BRANCH_TRACER

int

trace_selftest_startup_branch(struct tracer *trace, struct trace_array *tr)