tracing/events: Add trace_event boot option
authorLi Zefan <lizf@cn.fujitsu.com>
Wed, 1 Jul 2009 02:47:05 +0000 (10:47 +0800)
committerIngo Molnar <mingo@elte.hu>
Wed, 1 Jul 2009 13:44:24 +0000 (15:44 +0200)
commit020e5f85cb087a40572c8b8b2dd06292a14fa212
treed1bd09885693dd9d5e9db995cb0f7f58aa0e1bb8
parentc5cb5a2d8d7dc872cf1504091ad0e59fe5ff7cb5
tracing/events: Add trace_event boot option

We already have ftrace= boot option, and this adds a similar
boot option for trace events, so allow trace events to be
enabled at boot, for boot debugging purpose.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
LKML-Reference: <4A4ACE29.3010407@cn.fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Documentation/kernel-parameters.txt
Documentation/trace/events.txt
kernel/trace/trace.c
kernel/trace/trace.h
kernel/trace/trace_events.c