Messages in this thread | | | Date | Wed, 6 Jan 2016 09:21:06 +0100 | From | Peter Zijlstra <> | Subject | Re: [RFC PATCH] alispinlock: acceleration from lock integration on multi-core platform |
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On Wed, Jan 06, 2016 at 09:16:43AM +0100, Peter Zijlstra wrote: > On Tue, Jan 05, 2016 at 09:42:27PM +0000, One Thousand Gnomes wrote: > > > It suffers the typical problems all those constructs do; namely it > > > wrecks accountability. > > > > That's "government thinking" ;-) - for most real users throughput is > > more important than accountability. With the right API it ought to also > > be compile time switchable. > > Its to do with having been involved with -rt. RT wants to do > accountability for such things because of PI and sorts.
Also, real people really do care about latency too, very bad worst case spikes to upset things.
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