ring-buffer: Always inline rb_event_data()
authorSteven Rostedt (Red Hat) <rostedt@goodmis.org>
Wed, 23 Nov 2016 16:40:34 +0000 (11:40 -0500)
committerSteven Rostedt <rostedt@goodmis.org>
Wed, 23 Nov 2016 16:40:34 +0000 (11:40 -0500)
commit929ddbf3ef4e07fef67e93e998020d49d2533724
tree63491f91f9566e7e541eb6592fb95bb331da88bb
parentfa7ffb39efccd574163ebc5dbfe4ff066186f261
ring-buffer: Always inline rb_event_data()

The rb_event_data() is the fast path of getting the ring buffer data from an
event. Externally, ring_buffer_event_data() is used to access this function.
But unfortunately, rb_event_data() is not inlined, and calling
ring_buffer_event_data() causes that function to be called again. Force
rb_event_data() to be inlined to lower the number of operations needed when
calling ring_buffer_event_data().

Link: http://lkml.kernel.org/r/20161121183700.GW26852@two.firstfloor.org
Reported-by: Andi Kleen <andi@firstfloor.org>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
kernel/trace/ring_buffer.c