Tharindu Rukshan Bamunuarachchi wrote: > Because, our system hosting firm said they have recomplied kernel with > setting default timeslice to 1ms. IS this possible?? If so how can I > calculate this from user space program ?? Are you sure they mean timeslice and not HZ? This sounds a bit like they've just changed the timer interrupt frequency to 1000/s. On a suse 10.1 kernel the current HZ value is displayed in /proc/sys/kernel/HZ . You can change it at kernel build time (grep for CONFIG_HZ in .config). The scheduling timeslice is dynamic and can't be changed, IIRC. Regards, Erich -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/