Re: [accounting regression since rc1] scheduler updates

Andi Kleen
2007-08-21T10:07:33Z

On Tue, Aug 21, 2007 at 09:09:22AM +0200, Ingo Molnar wrote:
>
> * Andi Kleen <andi@firstfloor.org> wrote:
>
> > You should just be using idle notifiers instead instead of adding more
> > and more custom hooks (like NOHZ has already) x86-64 still has them
> > and there is a old patch around to add them to i386.
>
> these are specially placed callbacks that we want to call from certain
> ACPI codepaths but not from all of them.

Because you believe TSC only stops in C2 and C3? That's not correct on
all systems.

-Andi