On Mon, Nov 02, 2020 at 11:24:57AM +0100, Vincent Guittot wrote:
> schbench shows latency increase for 95 percentile above since:
> commit 0b0695f2b34a ("sched/fair: Rework load_balance()")
>
> Align the behavior of the load balancer with the wake up path, which tries
> to select an idle CPU
On Mon, Nov 02, 2020 at 11:24:57AM +0100, Vincent Guittot wrote:
> schbench shows latency increase for 95 percentile above since:
> commit 0b0695f2b34a ("sched/fair: Rework load_balance()")
>
> Align the behavior of the load balancer with the wake up path, which tries
> to select an idle CPU
On Mon, 2020-11-02 at 11:24 +0100, Vincent Guittot wrote:
> Fixes: 0b0695f2b34a ("sched/fair: Rework load_balance()")
> Reported-by: Chris Mason
> Suggested-by: Rik van Riel
> Signed-off-by: Vincent Guittot
Tested-and-reviewed-by: Rik van Riel
Thank you!
--
All Rights Reversed.
schbench shows latency increase for 95 percentile above since:
commit 0b0695f2b34a ("sched/fair: Rework load_balance()")
Align the behavior of the load balancer with the wake up path, which tries
to select an idle CPU which belongs to the LLC for a waking task.
calculate_imbalance() will use
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