tracing: introduce TRACE_EVENT_NOP()
authorYafang Shao <laoar.shao@gmail.com>
Tue, 26 Mar 2019 12:13:09 +0000 (20:13 +0800)
committerSteven Rostedt (VMware) <rostedt@goodmis.org>
Mon, 8 Apr 2019 13:22:51 +0000 (09:22 -0400)
commit163363455b42a1cf833742177149d1352dfe673e
tree456d1d7fcd0b6e960f192ee1f25d193de68db280
parenta8d655792a32312f6715ac789b860fee50168106
tracing: introduce TRACE_EVENT_NOP()

Sometimes we want to define a tracepoint as a do-nothing function.
So I introduce TRACE_EVENT_NOP, DECLARE_EVENT_CLASS_NOP and
DEFINE_EVENT_NOP for this kind of usage.

Link: http://lkml.kernel.org/r/1553602391-11926-2-git-send-email-laoar.shao@gmail.com
Signed-off-by: Yafang Shao <laoar.shao@gmail.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
include/linux/tracepoint.h
include/trace/define_trace.h