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Message-ID: <5bdc1c8b0510111825k75fb25a6wfd7867d0dd823c1a@mail.gmail.com>
Date: Tue, 11 Oct 2005 18:25:11 -0700
From: Mark Knecht <markknecht@gmail.com>
To: Lee Revell <rlrevell@joe-job.com>
Subject: Re: Latency data - 2.6.14-rc3-rt13
Cc: Ingo Molnar <mingo@elte.hu>, Daniel Walker <dwalker@mvista.com>,
       linux-kernel@vger.kernel.org
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On 10/11/05, Lee Revell <rlrevell@joe-job.com> wrote:
> On Tue, 2005-10-11 at 18:09 -0700, Mark Knecht wrote:
> > Should free memory drop like that over time?
>
> Yes this is perfectly normal.  When a system first boots all the memory
> your apps aren't using is initially free.  As applications access more
> data over time then it will be cached in memory until free memory drops
> to near zero.
>
> "Free memory" is actually wasted memory - it's better to use all
> available RAM for caching.
>
> Lee

OK, non-intuitive for a guitar player, but good to know it's normal. Thanks!

In that case I'll just wait for an xrun and hope I catch something in
dmesg. We'll just have to wait and see.

Cheers,
Mark
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