Messages in this thread Patch in this message | | | Date | Tue, 21 Feb 2012 15:03:08 -0500 | From | Jason Baron <> | Subject | [PATCH 05/10] perf: update to use 'very_unlikely()' |
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Update perf functions with api change: static_branch() -> very_unlikely().
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Paul Mackerras <paulus@samba.org> Cc: Ingo Molnar <mingo@elte.hu> Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Signed-off-by: Jason Baron <jbaron@redhat.com> --- include/linux/perf_event.h | 6 +++--- 1 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index 412b790..041d02b 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -1066,7 +1066,7 @@ perf_sw_event(u32 event_id, u64 nr, struct pt_regs *regs, u64 addr) { struct pt_regs hot_regs; - if (static_branch(&perf_swevent_enabled[event_id])) { + if (very_unlikely(&perf_swevent_enabled[event_id])) { if (!regs) { perf_fetch_caller_regs(&hot_regs); regs = &hot_regs; @@ -1080,7 +1080,7 @@ extern struct jump_label_key_deferred perf_sched_events; static inline void perf_event_task_sched_in(struct task_struct *prev, struct task_struct *task) { - if (static_branch(&perf_sched_events.key)) + if (very_unlikely(&perf_sched_events.key)) __perf_event_task_sched_in(prev, task); } @@ -1089,7 +1089,7 @@ static inline void perf_event_task_sched_out(struct task_struct *prev, { perf_sw_event(PERF_COUNT_SW_CONTEXT_SWITCHES, 1, NULL, 0); - if (static_branch(&perf_sched_events.key)) + if (very_unlikely(&perf_sched_events.key)) __perf_event_task_sched_out(prev, next); } -- 1.7.7.5
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