* Ling Ma <ling.ma.prog...@gmail.com> wrote: > > So it would be nice to create a new user-space spinlock testing facility, > > via > > a new 'perf bench spinlock' feature or so. That way others can test and > > validate your results on different hardware as well. > > Attached the spinlock test module . Queued spinlock will run very slowly in > user > space because process switch context, it is OK for spinlock-test > implementation > with kernel module ?
Not sure what you mean by 'because process switch context': if you pin the test tasks to individual CPUs and make sure there's nothing else running it should be equivalent to kernel-space execution. Thanks, Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/