Messages in this thread | | | Subject | Re: [RFC/RFT PATCH v3] sched: automated per tty task groups | From | Peter Zijlstra <> | Date | Fri, 19 Nov 2010 14:00:48 +0100 |
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On Fri, 2010-11-19 at 07:55 -0500, Mathieu Desnoyers wrote: > > > In general though, I think you can say that: cgroups ass overhead. > > I really think you meant "add" here ? (Hey! The keys were next to each other!) > ;)
Uhm, quite!
> > Simply because you add constraints, this means you need to 1) account > > more, 2) enforce constraints. Both have definite non-zero cost in both > > data and time. > > Yep, this looks like one of these perpetual throughput vs latency trade-offs. > Trade-off sure, throughput vs latency only in a specific use-case, its more a feature vs cost thing, just like all them trace people want lower cost tracing but want more features at the same time..
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