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Performance: add unlikely to tracepoint dynamic linking test
[lttng-ust.git]
/
include
/
lttng
/
tracepoint.h
diff --git
a/include/lttng/tracepoint.h
b/include/lttng/tracepoint.h
index 3433560a10e9d2ce220cb925a0252c01211bc391..785c87e516904017948d0227e034a2b5f2b5711f 100644
(file)
--- a/
include/lttng/tracepoint.h
+++ b/
include/lttng/tracepoint.h
@@
-153,7
+153,7
@@
void __tracepoint_cb_##_provider##___##_name(_TP_ARGS_PROTO(__VA_ARGS__)) \
{ \
struct tracepoint_probe *__tp_probe; \
\
{ \
struct tracepoint_probe *__tp_probe; \
\
- if (
!TP_RCU_LINK_TEST())
\
+ if (
caa_unlikely(!TP_RCU_LINK_TEST()))
\
return; \
tp_rcu_read_lock_bp(); \
__tp_probe = tp_rcu_dereference_bp(__tracepoint_##_provider##___##_name.probes); \
return; \
tp_rcu_read_lock_bp(); \
__tp_probe = tp_rcu_dereference_bp(__tracepoint_##_provider##___##_name.probes); \
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