From: "Luck, Tony" <tony.luck@intel.com>
From: Martin J. Bligh [mailto:mbligh@aracnet.com]
To: "'Martin J. Bligh'" <mbligh@aracnet.com>,
Andrew Morton <akpm@digeo.com>, Peter Wong <wpeter@us.ibm.com>
Cc: linux-mm@kvack.org, lse-tech@lists.sourceforge.net,
riel@nl.linux.org, wli@holomorphy.com, dmccr@us.ibm.com,
gh@us.ibm.com, Bill Hartner <bhartner@us.ibm.com>,
Troy C Wilson <wilsont@us.ibm.com>
Subject: RE: [Lse-tech] Re: Examining the Performance and Cost of Revesema ps on 2.5.26 Under Heavy DBWorkload
Date: Tue, 17 Sep 2002 14:22:36 -0700 [thread overview]
Message-ID: <39B5C4829263D411AA93009027AE9EBB13299719@fmsmsx35.fm.intel.com> (raw)
> > That's a ton of memory. Where do we stand wrt getting these
> > applications to use large-tlb pages?
>
> We need standard interfaces (like shmem) to get DB2 to port, and probably
> most other applications. Having magic system calls is all very well in
theory,
> but not much use in practice.
>
> And yes, we're still working on it.
Can't you use LD_PRELOAD tricks to sneak a different version shmget/shmat
to your DB2 binary so that you can intercept the important calls and
divert them to use huge tlb pages?
-Tony
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next reply other threads:[~2002-09-17 21:22 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-09-17 21:22 Luck, Tony, Martin [this message]
2002-09-17 21:42 ` Martin J. Bligh
2002-09-17 21:47 ` William Lee Irwin III
2002-09-17 21:58 ` Martin J. Bligh
2002-09-17 22:49 ` Hubertus Franke
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