Re: PATCH: Precise Accounting for 2.6.7

From: Andi Kleen (ak_at_muc.de)
Date: 06/23/04

  • Next message: David S. Miller: "Re: 2.6.7-bk6 fails module compile -- iptable_raw.c" 
    To: Timm Morten Steinbeck <timm.steinbeck@kip.uni-heidelberg.de>
Date:	Wed, 23 Jun 2004 16:54:38 +0200

    Timm Morten Steinbeck <timm.steinbeck@kip.uni-heidelberg.de> writes:

    > Hi,
    >
    > we have ported our x86 precise accounting patch from the 2.4 kernel
    > series to 2.6.7.

    [...]

    On many SMP systems it will not be very precise after longer uptimes
    because the TSCs of the CPUs drift away noticeable and timestamps
    from different CPUs cannot be really compared.

    -Andi

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