On Mon, 2006-12-11 at 19:10 +0100, Philippe De Swert wrote: > Hi, > > > i have a video decoder program run as aplication > > and i now have change the HZ from 1000 to 100, set the decoder program > > priority as 99. > > Seems you are mixing things here... The HZ change will just change the > interval of the timer tick. For some more explanations about this, look here : > http://kerneltrap.org/node/464 The decrement of the timer tick number definitely can increase the execution time of application. And Disable kernel preemption also has the same impact. > > > if i want to the video decoder program to get more time to run, is > > there any other way to improve it ? > > Maybe using nice? Try "man nice" in a terminal on your Linux box to get more > explanations about this. > > Cheers, > > Philippe--- > Scarlet ONE - Combine ADSL with unlimited fixed phone and save 400 euros > http://www.scarlet.be > > -- Best Regards Mark.Zhan Wind River Beijing Engineer Team