tracing: Remove obsolete sched_switch tracer

The trace events sched_switch and sched_wakeup do the same thing
as the stand alone sched_switch tracer does. It is no longer needed.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

1 files changed, 0 insertions, 48 deletions

diff --git a/kernel/trace/trace_sched_switch.c b/kernel/trace/trace_sched_switch.c
index 8f758d070c43..7e62c0a18456 100644
--- a/kernel/trace/trace_sched_switch.c
+++ b/kernel/trace/trace_sched_switch.c
@@ -247,51 +247,3 @@ void tracing_sched_switch_assign_trace(struct trace_array *tr)
         ctx_trace = tr;
 }
 
-static void stop_sched_trace(struct trace_array *tr)
-{
-        tracing_stop_sched_switch_record();
-}
-
-static int sched_switch_trace_init(struct trace_array *tr)
-{
-        ctx_trace = tr;
-        tracing_reset_online_cpus(tr);
-        tracing_start_sched_switch_record();
-        return 0;
-}
-
-static void sched_switch_trace_reset(struct trace_array *tr)
-{
-        if (sched_ref)
-                stop_sched_trace(tr);
-}
-
-static void sched_switch_trace_start(struct trace_array *tr)
-{
-        sched_stopped = 0;
-}
-
-static void sched_switch_trace_stop(struct trace_array *tr)
-{
-        sched_stopped = 1;
-}
-
-static struct tracer sched_switch_trace __read_mostly =
-{
-        .name           = "sched_switch",
-        .init           = sched_switch_trace_init,
-        .reset          = sched_switch_trace_reset,
-        .start          = sched_switch_trace_start,
-        .stop           = sched_switch_trace_stop,
-        .wait_pipe      = poll_wait_pipe,
-#ifdef CONFIG_FTRACE_SELFTEST
-        .selftest    = trace_selftest_startup_sched_switch,
-#endif
-};
-
-__init static int init_sched_switch_trace(void)
-{
-        return register_tracer(&sched_switch_trace);
-}
-device_initcall(init_sched_switch_trace);
-