Re: [PATCH]: Option to run cache reap in thread mode

[Andrew Morton]

Dimitri Sivanich <sivanich@xxxxxxx> wrote:
>
> In the process of testing per/cpu interrupt response times and CPU availability,
> I've found that running cache_reap() as a timer as is done currently results
> in some fairly long CPU holdoffs.

Before patching anything I want to understand what's going on in there. 
Please share your analysis.


How long?

How many objects?

Which slab?

Why?

Thanks.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/