Messages in this thread | ![/](/images/icornerl.gif) | | Date | Mon, 5 Jun 2017 14:00:21 +0100 | From | Matt Fleming <> | Subject | Re: hackbench vs select_idle_sibling; was: [tip:sched/core] sched/fair, cpumask: Export for_each_cpu_wrap() |
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On Fri, 19 May, at 04:00:35PM, Matt Fleming wrote: > On Wed, 17 May, at 12:53:50PM, Peter Zijlstra wrote: > > > > Please test.. > > Results are still coming in but things do look better with your patch > applied. > > It does look like there's a regression when running hackbench in > process mode and when the CPUs are not fully utilised, e.g. check this > out:
This turned out to be a false positive; your patch improves things as far as I can see.
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