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authorSteven Rostedt (Red Hat) <rostedt@goodmis.org>2016-11-23 20:38:39 -0500
committerSteven Rostedt <rostedt@goodmis.org>2016-11-23 20:38:39 -0500
commitbabe3fce95e6490b88a2a21d90eb4ba9884edb82 (patch)
treee5af8a3bee57e484db28ee831e49d607e25c7881 /kernel/trace
parent2289d5672f99d36764cbf66e13b5401f700e7043 (diff)
downloadlinux-babe3fce95e6490b88a2a21d90eb4ba9884edb82.tar.bz2
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: Andi Kleen <andi@firstfloor.org> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace')
-rw-r--r--kernel/trace/ring_buffer.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index 04068c0ed927..04579a0c7711 100644
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -2486,7 +2486,7 @@ static inline void rb_event_discard(struct ring_buffer_event *event)
event->time_delta = 1;
}
-static inline bool
+static __always_inline bool
rb_event_is_commit(struct ring_buffer_per_cpu *cpu_buffer,
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;
}
-static void
+static __always_inline void
rb_update_write_stamp(struct ring_buffer_per_cpu *cpu_buffer,
struct ring_buffer_event *event)
{