From: Roger Luethi <rl@hellgate.ch>
To: Paul Rolland <rol@as2917.net>
Cc: "'Phy Prabab'" <phyprabab@yahoo.com>, linux-kernel@vger.kernel.org
Subject: Re: Help understanding slow down
Date: Mon, 24 May 2004 19:28:13 +0200 [thread overview]
Message-ID: <20040524172813.GB4434@k3.hellgate.ch> (raw)
In-Reply-To: <200405240633.i4O6Xu621252@tag.witbe.net>
On Mon, 24 May 2004 08:33:49 +0200, Paul Rolland wrote:
> Hello,
>
> > 2.6.7-p1:
> > 24.86user 51.77system 2:58.87elapsed 42%CPU
> > (0avgtext+0avgdata 0maxresident)k
> > 0inputs+0outputs (13major+7591686minor)pagefaults
> > 0swaps
> >
> > 2.4.21:
> > 28.68user 34.98system 1:12.34elapsed 87%CPU
> > (0avgtext+0avgdata 0maxresident)k
> > 0inputs+0outputs (5691267major+1130523minor)pagefaults
> > 0swaps
> >
> >
> > Both runs on the same machine with the same process
> > (making headers).
> >
> > Could someone give me some pointers/directions on
> > where to look.
>
> Any reason why there is such a difference in the pagefaults
> numbers between 2.4.x and 2.6.x ????
> Could it explain a part of the time differences ?
Probably no. Last time I checked, the major fault field for rusage
contained bogus data (included minor faults as well). Looks like that
got fixed in 2.6.
Roger
next prev parent reply other threads:[~2004-05-24 18:43 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-05-24 0:32 Help understanding slow down Phy Prabab
2004-05-24 0:57 ` Phy Prabab
2004-05-24 1:04 ` William Lee Irwin III
2004-05-24 1:25 ` Jakob Oestergaard
2004-05-24 1:28 ` William Lee Irwin III
2004-05-24 1:51 ` Phy Prabab
2004-05-24 2:42 ` Nick Piggin
2004-05-24 2:43 ` Andrew Morton
2004-05-24 6:23 ` Phy Prabab
2004-05-24 6:27 ` William Lee Irwin III
2004-05-24 6:39 ` Phy Prabab
2004-05-24 7:21 ` Phy Prabab
2004-05-24 7:44 ` Nick Piggin
2004-05-24 7:50 ` Phy Prabab
2004-05-24 7:59 ` Nick Piggin
2004-05-24 10:43 ` Jakob Oestergaard
2004-05-24 14:13 ` Martin J. Bligh
2004-05-24 7:53 ` Andrew Morton
2004-05-24 8:00 ` Phy Prabab
2004-05-25 10:32 ` Ingo Molnar
2004-05-25 9:29 ` Andrew Morton
2004-05-25 11:42 ` Ingo Molnar
2004-05-25 9:58 ` Andrew Morton
2004-05-25 12:25 ` Ingo Molnar
2004-05-24 6:33 ` Paul Rolland
2004-05-24 17:28 ` Roger Luethi [this message]
-- strict thread matches above, loose matches on Subject: below --
2004-05-24 1:37 Robert M. Stockmann
2004-05-24 1:50 ` Phy Prabab
2004-05-24 3:31 ` Robert M. Stockmann
2004-05-24 6:14 ` Phy Prabab
2004-05-24 18:36 ` Robert M. Stockmann
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