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Date:      Tue, 15 Sep 1998 23:59:13 -0700
From:      Mike Smith <mike@smith.net.au>
To:        Don Lewis <Don.Lewis@tsc.tdk.com>
Cc:        current@FreeBSD.ORG
Subject:   Re: wierd kernel memory use statistics 
Message-ID:  <199809160659.XAA00475@word.smith.net.au>
In-Reply-To: Your message of "Tue, 15 Sep 1998 21:52:41 PDT." <199809160452.VAA01189@salsa.gv.tsc.tdk.com> 

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> 
> vmstat -m tells me:
> 
> Memory statistics by type                          Type  Kern
>         Type  InUse MemUse HighUse  Limit Requests Limit Limit Size(s)
> ...
>        devbuf   257   181K    181K 10406K      565    0     0  16,32,64,128,256,512,1K,2K,4K,16K,32K
>          mbuf     1     2K      2K 10406K        1    0     0  2K
>          temp    -9   -19K      1K 10406K      273    0     0  16,32,64,256,512,1K,4K
>           kld     1     1K      1K 10406K        1    0     0  32
> 
> The numbers for "temp" look pretty suspicious.

Someone is freeing blocks to the M_TEMP pool that were not allocated 
from it.  Does this happen at a reasonable rate?  Can you see any other 
class that looks like it might be leaking?

-- 
\\  Sometimes you're ahead,       \\  Mike Smith
\\  sometimes you're behind.      \\  mike@smith.net.au
\\  The race is long, and in the  \\  msmith@freebsd.org
\\  end it's only with yourself.  \\  msmith@cdrom.com



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