tracing: Remove boot tracer

The boot tracer is useless. It simply logs the initcalls
but in fact these initcalls are also logged through printk
while using the initcall_debug kernel parameter.

Nobody seem to be using it so far. Then just remove it.

Signed-off-by: WANG Cong <xiyou.wangcong@gmail.com>
Cc: Chase Douglas <chase.douglas@canonical.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Li Zefan <lizf@cn.fujitsu.com>
LKML-Reference: <20100526105753.GA5677@cr0.nay.redhat.com>
[ remove the hooks in main.c, and the headers ]
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>

1 files changed, 0 insertions, 3 deletions

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 55e48511d7c8..036fbc22858b 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -4603,9 +4603,6 @@ __init static int tracer_alloc_buffers(void)
 
         register_tracer(&nop_trace);
         current_trace = &nop_trace;
-#ifdef CONFIG_BOOT_TRACER
-        register_tracer(&boot_tracer);
-#endif
         /* All seems OK, enable tracing */
         tracing_disabled = 0;