From: Ravikiran G Thirumalai <kiran@scalex86.org>
To: Andrew Morton <akpm@osdl.org>
Cc: linux-kernel@vger.kernel.org, clameter@engr.sgi.com,
shai@scalex86.org, alok.kataria@calsoftinc.com,
penberg@cs.Helsinki.FI
Subject: Re: [patch] slab: add statistics for alien cache overflows
Date: Thu, 30 Mar 2006 22:52:50 -0800 [thread overview]
Message-ID: <20060331065250.GC4334@localhost.localdomain> (raw)
In-Reply-To: <20060330220135.767663d7.akpm@osdl.org>
On Thu, Mar 30, 2006 at 10:01:35PM -0800, Andrew Morton wrote:
> Ravikiran G Thirumalai <kiran@scalex86.org> wrote:
> >
> > Add a statistics counter which is incremented everytime the alien
> > cache overflows. alien_cache limit is hardcoded to 12 right now.
> > We can use this statistics to tune alien cache if needed in the future.
>
> Does it break slabtop, and whatever else reads /proc/slabinfo?
These stats get compiled in only with DEBUG_SLAB. Even with DEBUG_SLAB
compiled in, slabtop does not break. I guess slabtop is not wired to read
these extra stats. Is there anything else that reads slabinfo apart from
slabtop? I could find only slabtop to be relevant with the procps package.
Thanks,
Kiran
prev parent reply other threads:[~2006-03-31 6:52 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-03-31 5:56 [patch] slab: add statistics for alien cache overflows Ravikiran G Thirumalai
2006-03-31 6:01 ` Andrew Morton
2006-03-31 6:52 ` Ravikiran G Thirumalai [this message]
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