Consider switching to WQ_UNBOUND messages (was: Re: [PATCH v2 6/7] workqueue: Report work funcs that trigger automatic CPU_INTENSIVE mechanism)

Peter Zijlstra peterz at infradead.org
Wed Jul 12 08:05:04 UTC 2023


On Tue, Jul 11, 2023 at 11:39:17AM -1000, Tejun Heo wrote:

> I wonder whether the right thing to do here is somehow scaling the threshold
> according to the relative processing power. It's difficult to come up with a
> threshold which works well across the latest & fastest and really tiny CPUs.
> I'll think about it some more but if you have some ideas, please feel free
> to suggest.

We could scale by BogoMIPS I suppose, it's a bogus measurement, as per
the name, but it does have some relation to how fast the machine is.


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