Performance drop due to alloc_workqueue() misuse and recent change

Tejun Heo tj at
Wed Dec 20 07:14:59 UTC 2023

Hello, again.

On Mon, Dec 04, 2023 at 04:03:47PM +0000, Naohiro Aota wrote:
> In summary, we misuse max_active, considering it is a global limit. And,
> the recent commit introduced a huge performance drop in some cases.  We
> need to review alloc_workqueue() usage to check if its max_active setting
> is proper or not.

Can you please test the following branch? unbound-system-wide-max_active



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