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Use cpu_relax() implementation for aarch64 (#11677)

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Motivation:

We only implement cpu_relax() for x86_64 atm, we should also do for aarch64

Modifications:

Add implementation

Result:

Possible better performance on aarch64 when busy spinning with epoll is used
This commit is contained in:
Norman Maurer 2021-09-14 08:33:01 +02:00
parent 1eb128e2a9
commit a76842dcd5
1 changed files with 2 additions and 0 deletions
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2
transport-native-epoll/src/main/c/netty_epoll_native.c
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@ -287,6 +287,8 @@ static jint netty_epoll_native_epollWait0(JNIEnv* env, jclass clazz, jint efd, j
static inline void cpu_relax() { static inline void cpu_relax() {
#if defined(__x86_64__) #if defined(__x86_64__)
asm volatile("pause\n": : :"memory"); asm volatile("pause\n": : :"memory");
#elif defined(__aarch64__)
asm volatile("isb\n": : :"memory");
#endif #endif
} }