Hi Tharindu... > I am not trying to raise it too much. But about 1500 ?? Hm, all I can say is: just try it :) > What is the best out of SCHED_FIFO and SCHED_RR? > > Any difference in RR and FIFO? try to study by typing "man sched_setscheduler" in your shell... You can get a detailed explanation there... > Will this keep other process away from particualr CPU?? only if you set those "other processes" not to use that CPU. If not, those processes will be free to roam :) > You mean libaio ?? > Are there any advantage if I use libaio. > Currently we are not using libaio. yes, I mean libaio, but I have no experience at all with it. I was just pointing you to this library and see if it meets your requirement. Good luck.. regards, Mulyadi. -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/