This can happen especially frequently if the user is multi-tasking. If the user executes another task that triggers OnDemand's ramp, the clockspeed will bounce from minimum to maximum. In other words, once the task that triggered the clockspeed ramp is finished, OnDemand will attempt to move the clockspeed back to minimum. This final fact is important to know before you read about the Interactive governor: OnDemand scales its clockspeed in a work queue context. This is so because users are vastly more likely to ***** about performance than they are the few hours of extra battery life another governor could have granted them. OnDemand is commonly chosen by smartphone manufacturers because it is well-tested, reliable, and virtually guarantees the smoothest possible performance for the phone. OnDemand has excellent interface fluidity because of its high-frequency bias, but it can also have a relatively negative effect on battery life versus other governors. If the CPU load placed by the user abates, the OnDemand governor will slowly step back down through the kernel's frequency steppings until it settles at the lowest possible frequency, or the user executes another task to demand a ramp. This governor has a hair trigger for boosting clockspeed to the maximum speed set by the user. In stock kernel, there are five governors and quasar kernel, there are a lot more. Some are for single-core processors and some designed for dual-core processors. He decides when, how and how long the CPU and still responds battery saving is still soft and still works. As the name suggests, we, the Governor of the decision, when at full capacity, the MaxFreq - will be achieved or how fast the minFreq - maximum frequency is reached minimum frequency or center frequency. Thanks to deedii for posting this in another forum:Ī governor is a driver for the regulation of CPUFreq - CPU frequency.
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