On 1 June 2011 13:49, Win Htin <[email protected]> wrote: > > Next question is, is it a good idea to run the "cpuspeed" service? Any > negative effects seen such as the CPU speed not ramping up properly > etc? >
cpuspeed almost always results in running the ondemand governor and that is almost always responsive enough. Occasionally you will want to change the ondemand governor's parameters (google for it, or look in the kernel docs) and even more occasionally you'll want to use the "performance" governor which just runs the CPU(s) at full speed regardless. I've come across just one case where ondemand wasn't a good idea and that was some bizarrely behaving hardware that wouldn't speed up at all. You're not likely to see that. If you're running hard realtimes applcations you might also want the cpu to be running fast, but if that were the case you'd already know and you wouldn't be asking. So the short answer is "no, there aren't any negative effects" and there are some significant positive effects like the machine running quite a bit cooler most of the time! jch
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