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Date: Fri, 30 Dec 2005 19:13:40 -0200
From: Marcelo Tosatti <marcelo.tosatti@cyclades.com>
To: Matt Mackall <mpm@selenic.com>
Cc: Andreas Kleen <ak@suse.de>, Denis Vlasenko <vda@ilport.com.ua>,
       Eric Dumazet <dada1@cosmosbay.com>, linux-kernel@vger.kernel.org
Subject: Re: [POLL] SLAB : Are the 32 and 192 bytes caches really usefull on x86_64 machines ?
Message-ID: <20051230211340.GA3672@dmt.cnet>
References: <7vbqzadgmt.fsf@assigned-by-dhcp.cox.net> <43A91C57.20102@cosmosbay.com> <200512281032.15460.vda@ilport.com.ua> <200512281054.26703.vda@ilport.com.ua> <3186311.1135792635763.SLOX.WebMail.wwwrun@imap-dhs.suse.de> <20051228210124.GB1639@waste.org>
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<snip>

> > Note that just looking at slabinfo is not enough for this - you need the
> > original
> > sizes as passed to kmalloc, not the rounded values reported there.
> > Should be probably not too hard to hack a simple monitoring script up
> > for that
> > in systemtap to generate the data.
> 
> Something like this:
> 
> http://lwn.net/Articles/124374/

Written with a systemtap script: 
http://sourceware.org/ml/systemtap/2005-q3/msg00550.html


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