On Wed, Jan 14, 2009 at 5:04 PM, Erik Andrén <[email protected]> wrote: > 2009/1/13 Arjan van de Ven <[email protected]>: >> Gioele Barabucci wrote: >>> Hello, >>> >>> is there a way to shutdown one of the two cores found in Core 2 Duo >>> processors when, even if multiple process are running, the load is low >>> enough to be handled by one CPU? >>> >>> The scheduler tries quite hard to balance processes between the two cores, >>> even when that balancing is not really needed (listening to music in the >>> background for example, a 2% CPU task). This shows up as a lot of "Kernel >>> IPI: Rescheduling interrupts" messages in powertop. >>> >> >> unfortunately there is no efficient way to do this; what is there actually >> ends up burning you more power........ >> >> we need to fix the scheduler instead for sure. >> > > Is there a kernel bug entry open for this issue?
Yup http://bugzilla.kernel.org/show_bug.cgi?id=5471 -- andika _______________________________________________ Power mailing list [email protected] http://www.bughost.org/mailman/listinfo/power
