Messages in this thread | | | Subject | Re: [patch 00/18] CFS Bandwidth Control v7.2 | From | Peter Zijlstra <> | Date | Mon, 19 Sep 2011 10:33:04 +0200 |
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On Mon, 2011-09-19 at 12:22 +0400, Vladimir Davydov wrote: > But communicating tasks do not necessarily wake each other even if > they exchange data through the pipe. And of course, if they use shared > memory (e.g. threads), it is not obligatory at all. Also, the > wake-affine path is cpu-load aware, i.e. it tries not to overload a > cpu it is going to wake a task on. For instance, if we run a context > switch test on an idle host, the two tasks will be executing on > different cpus although it is better to execute them together on the > same cpu.
This is not a problem specific to cgroups, and thus the solution shouldn't ever live as something related to cgroups.
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