Bill Holler wrote: > The ACPI PM timer interface looks very simple. :-) > > hwtimer.c indicates the ACPI PM timer is either 24 or 32-bits. > Comments indicate 24-bit timers roll-over in about 4.66 seconds > and 32-bit timers roll-over in about 19.88 minutes. > That will be an upper bounds on how long a cpu can be idle > if this timer is used for measuring the idle time. > If we do a good job with the power aware dispatcher and > callout/cyclic work, possible cpu idle time will be un-bounded > at least on some cpus. ;-) > That would be nice. :)
-Eric
