On Mon, Sep 8, 2014 at 9:16 PM, AYAN KUMAR HALDER <ayankumarh@xxxxxxxxx> wrote: >> When a device wakes up, what about the cpu , is it still on idle with cpuidle ? >> for example how a mouse move trigger the screen to wake up ? >> > This is a case of system suspend/resume. Your mouse is a wake-up device. It is > configured to send wakeup interrupts. It would wake up the cpu first > and then the cpu wakes up > all the devices. Hi, Do you mean runtime suspend/resume ? Why will the mouse wake the cpu from idle (cpuidle) ? Isn't it that the wakeup source will wake only the specific device which was runtime suspended ? Thanks _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies