I am not specifically familiar with the ondemand governor but have amply dealt with governor matters. On way to deal with the ping pong effect is to increase the amount of time the frequency needs to stay at a certain level before going back down. There is surely a tunable in there that you can adjust. If you go that route make sure to understand that power consumption is likely to increase.
As for knowing which task is at fault, kernelshark will give you a nice view of which task is running on the affected CPU. By experience the task that will make the frequency jump to 1GHz will also jump at you on the graphic interface. That should be enough to get you started. Mathieu On 8 January 2014 13:35, Sriram V <vshrir...@gmail.com> wrote: > I am seeing a behaviour where the load variations are very frequency > between 1ghz and 300mhz in a very short interval of time giving the > ping-pong effect. \ > Is there a way of avoiding this Also, is it possible to find out which > task is causing this behaviour. > > All this happens in a couple of sampling periods of ondemand. > > > > > -- > Regards, > Sriram > > _______________________________________________ > linaro-dev mailing list > linaro-dev@lists.linaro.org > http://lists.linaro.org/mailman/listinfo/linaro-dev _______________________________________________ linaro-dev mailing list linaro-dev@lists.linaro.org http://lists.linaro.org/mailman/listinfo/linaro-dev
