Re: devpts mounts too slowly

From: H. Peter Anvin
Date: Wed Jun 03 2009 - 17:29:14 EST


Alexey Vlasov wrote:
> Hi.
>
> In comparison with bind/proc mounting it takes a lot more time mounting
> devpts. Is it possible to somehow accelerate the process? Now there are
> about 5k devpts mounting, it already took 20 minutes, further will take
> even more time.
>
> # time mount -n -i -t devpts none /home/staff/.server-1/dev/pts
> real 0m0.295s
> user 0m0.000s
> sys 0m0.288s
>

A profile would be handy here. There is no sensible reason for this to
that 0.3 seconds. This might be RCU-epoch related?

-hpa

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