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On Sat, May 03, 2014 at 12:48:31PM +0200, OndÅej BÃlka wrote: > Its nice to have but orthogonal on proposed change, so it should not > block this patch This looks like something that could easily use the $bench-inputs format since you're really just looking for mean times. I haven't checked to see if a failed branch would be expensive compared to the lock/unlock cycle we're testing, but I'm guessing that it should get cached and hence not have an impact since we don't interleave the rdlock and wrlock calls. Siddhesh diff --git a/benchtests/Makefile b/benchtests/Makefile index 63a5a7f..d74de80 100644 --- a/benchtests/Makefile +++ b/benchtests/Makefile @@ -25,7 +25,7 @@ include ../Makeconfig bench-math := acos acosh asin asinh atan atanh cos cosh exp exp2 ffs ffsll \ log log2 modf pow rint sin sincos sinh sqrt tan tanh -bench-pthread := pthread_once +bench-pthread := pthread_once pthread_rwlock_test bench := $(bench-math) $(bench-pthread) diff --git a/benchtests/pthread_rwlock_test-inputs b/benchtests/pthread_rwlock_test-inputs new file mode 100644 index 0000000..9122afb --- /dev/null +++ b/benchtests/pthread_rwlock_test-inputs @@ -0,0 +1,8 @@ +## args: int +## includes: pthread.h +## include-sources: pthread_rwlock_test-source.c + +##name: rdlock +0 +##name: rwlock +1 diff --git a/benchtests/pthread_rwlock_test-source.c b/benchtests/pthread_rwlock_test-source.c new file mode 100644 index 0000000..c679f7b --- /dev/null +++ b/benchtests/pthread_rwlock_test-source.c @@ -0,0 +1,13 @@ + +static pthread_rwlock_t rwlock = PTHREAD_RWLOCK_INITIALIZER; + +static void +pthread_rwlock_test (int write) +{ + if (write) + pthread_rwlock_wrlock (&rwlock); + else + pthread_rwlock_rdlock (&rwlock); + + pthread_rwlock_unlock (&rwlock); +}
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