Ok, we will put the spinlock test into the perf bench. Thanks Ling
2015-10-20 16:48 GMT+08:00 Ingo Molnar <mi...@kernel.org>: > > * 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/
