On Wed, 18 Nov 2015 09:36:22 +0100 Ingo Molnar <[email protected]> wrote:
> > > > This patch introduces a scheduler based idle injection method, it > > works by blocking CFS runqueue synchronously and periodically. The > > actions on all online CPUs are orchestrated by per CPU hrtimers. > > > > Two sysctl knobs are given to the userspace for selecting the > > percentage of idle time as well as the forced idle duration for each > > idle period injected. > > What's the purpose of these knobs? Just testing, or will some > user-space daemon set them dynamically? > yes, it is to be used by userspace daemon such as thermal daemon. Though there are interests from in kernel thermal governor but that is another story. > I also think that naming it 'idle injection' is pretty euphemistic: > this is forced idling, right? So why not name it CFS_FORCED_IDLE? yes, it is forced idle. sounds good. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
