tracing: Remove obsolete sched_switch tracer selftest

Since commit 87d80de2800d087ea833cb79bc13f85ff34ed49f ("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: Joel Fernandes <joelaf@google.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>

diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index 652c682..3c078e2 100644 (file)
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -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);
 /*

diff --git a/kernel/trace/trace_selftest.c b/kernel/trace/trace_selftest.c
index b17ec64..364f78a 100644 (file)
--- a/kernel/trace/trace_selftest.c
+++ b/kernel/trace/trace_selftest.c
@@ -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)