Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit babe3fce authored by Steven Rostedt (Red Hat)'s avatar Steven Rostedt (Red Hat) Committed by Steven Rostedt
Browse files

ring-buffer: Froce rb_update_write_stamp() to be inlined 

The function rb_update_write_stamp() is in the hotpath of the ring buffer
recording. Make sure that it is inlined as well. There's not many places
that call it.

Link: http://lkml.kernel.org/r/20161121183700.GW26852@two.firstfloor.org



Reported-by: default avatarAndi Kleen <andi@firstfloor.org>
Signed-off-by: default avatarSteven Rostedt <rostedt@goodmis.org>
parent 2289d567

kernel/trace/ring_buffer.c

+2 −2
Original line number Original line Diff line number Diff line
@@ -2486,7 +2486,7 @@ static inline void rb_event_discard(struct ring_buffer_event *event) 
		event->time_delta = 1;

		event->time_delta = 1;

}

}





static inline bool

static __always_inline bool

rb_event_is_commit(struct ring_buffer_per_cpu *cpu_buffer,

rb_event_is_commit(struct ring_buffer_per_cpu *cpu_buffer,

		   struct ring_buffer_event *event)

		   struct ring_buffer_event *event)

{

{
@@ -2500,7 +2500,7 @@ rb_event_is_commit(struct ring_buffer_per_cpu *cpu_buffer, 
		rb_commit_index(cpu_buffer) == index;

		rb_commit_index(cpu_buffer) == index;

}

}





static void

static __always_inline void

rb_update_write_stamp(struct ring_buffer_per_cpu *cpu_buffer,

rb_update_write_stamp(struct ring_buffer_per_cpu *cpu_buffer,

		      struct ring_buffer_event *event)

		      struct ring_buffer_event *event)

{

{