RE: [RFC 1/3] Framework for accurate node based statistics

From: Luck, Tony <tony.luck_at_intel.com>
Date: 2005-12-08 05:39:54
>> How big is that array going to get?  The total per cpu data area is
>> limited to 64K on IA64 and we already use at least 34K.
>
> Maximum around 1k nodes and I guess we may end up with 16 counters:
>
> 1024*16*8 = 131k ?

Ouch.

Can you live with a pointer to that monster block of space in the
per-cpu area?

Otherwise the next step up is a 256K per cpu area ... which I wouldn't
want to make the default (so we'll have another 2*X explosion in the
number of possible configs to test).

-Tony
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Received on Thu Dec 08 05:42:09 2005

This archive was generated by hypermail 2.1.8 : 2005-12-08 05:42:16 EST