Messages in this thread | | | Date | Fri, 28 Aug 2009 16:21:33 -0400 (EDT) | From | Christoph Lameter <> | Subject | Re: RFC: THE OFFLINE SCHEDULER |
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On Fri, 28 Aug 2009, Thomas Gleixner wrote:
> The statistics stuff needs to be tackled anyway as we need to offload > the sched accounting to some other cpu.
The vm statisticcs in mm/vmstat.c are different from the sched accounting.
> What slab queue stuff is running on timers and cannot be switched off > in such a context?
slab does run a timer every 2 second to age queues. If there was activity then there can be a relatively long time in which we periodically throw out portions of the cached data.
> Device specific stuff should not happen on such a CPU when there is no > device handled on it.
The device may periodically check for conditions that require action.
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