Re: fast path cycle muncher (vmstat: make vmstat_updater deferrable again and shut down on idle)

From: Christoph Lameter
Date: Tue Jan 26 2016 - 13:34:21 EST

On Tue, 26 Jan 2016, Mike Galbraith wrote:

> I disagree. You're burning electrons for no benefit at all to me on my
> box. You want to do high speed trading, that's fine, but I expect my
> box to be able to pop in and out of idle without having to pay a toll
> to the high speed trading bandits of the world, thank you very much.
> This specialty thing does not belong in the generic fast path.

The system going idle is a fastpath. Mind boogling.