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| author | Steven Rostedt (Red Hat) <rostedt@goodmis.org> | 2016-11-24 02:38:39 +0100 |
|---|---|---|
| committer | Steven Rostedt <rostedt@goodmis.org> | 2016-11-24 02:38:39 +0100 |
| commit | babe3fce95e6490b88a2a21d90eb4ba9884edb82 (patch) | |
| tree | e5af8a3bee57e484db28ee831e49d607e25c7881 /kernel/trace | |
| parent | ring-buffer: Force inline of hotpath helper functions (diff) | |
| download | linux-babe3fce95e6490b88a2a21d90eb4ba9884edb82.tar.xz linux-babe3fce95e6490b88a2a21d90eb4ba9884edb82.zip | |
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.c | 4 |
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) { |