Hi... :) On Tue, Jun 26, 2012 at 12:10 PM, solmac john <johnsolmac@xxxxxxxxx> wrote: > I am using ARM multicore board and by default okay, I am answering it from what I know about HZ impact on x86... > CONFIG_HZ=250 looks good... a middle safe number, not too high not too low... > Query: - 1- How to decide HZ for particular hardware it's you who decide...do you want finer grained timer? or coarse one? the impact is usually toward latency and responsiveness....together with preemption model you choose actually. > 2- Which is the best open source tool to test system > performance from given HZ. run your application in that platform and see if it gives you impact. from my experience, unless you need application that is sensitive in timing such as MIDI sequencer, you won't notice the difference. -- regards, Mulyadi Santosa Freelance Linux trainer and consultant blog: the-hydra.blogspot.com training: mulyaditraining.blogspot.com _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies