Messages in this thread | | | From | "Dilger, Andreas" <> | Subject | Re: [PATCH RFC] sched: introduce add_wait_queue_exclusive_head | Date | Thu, 20 Mar 2014 07:06:48 +0000 |
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On 2014/03/19, 1:55 PM, "Peter Zijlstra" <peterz@infradead.org> wrote:
>On Wed, Mar 19, 2014 at 07:44:29PM +0000, Dilger, Andreas wrote: >> The original reason for l_wait_event() not using TASK_UNINTERRUPTIBLE >> is to avoid the load on the server continually being >>"num_service_threads" >> regardless of whether they are actually doing something or not. We >> added various cases for periodic wakeups and such afterward. > >Hmm, maybe we should finally do the TASK_IDLE thing; > > https://lkml.org/lkml/2013/11/12/710
That looks pretty interesting, and appears to do what we need.
Cheers, Andreas -- Andreas Dilger
Lustre Software Architect Intel High Performance Data Division
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