From: Nick Piggin <nickpiggin@yahoo.com.au>
To: Phy Prabab <phyprabab@yahoo.com>
Cc: William Lee Irwin III <wli@holomorphy.com>,
Andrew Morton <akpm@osdl.org>,
jakob@unthought.net, linux-kernel@vger.kernel.org
Subject: Re: Help understanding slow down
Date: Mon, 24 May 2004 17:59:36 +1000 [thread overview]
Message-ID: <40B1AB68.40209@yahoo.com.au> (raw)
In-Reply-To: <20040524075024.84699.qmail@web90001.mail.scd.yahoo.com>
Phy Prabab wrote:
> NO HT, disabled in bios and did not enable in kernel:
> cat /proc/cpuinfo|grep processor|wc -l
> 2
> grep SMT .config (2.6.7-rc1)
> # CONFIG_SCHED_SMT is not set
>
> On 2.4.21 I also include "append=noht"
>
OK good, that makes things simpler.
I'm out of ideas though. The kernel just doesn't seem to be
the problem here. Can you put together a testcase that causes
the problem and that we can download and reproduce it?
Otherwise, try to work out why your userspace processes are
more often idle under the 2.6 kernel.
next prev parent reply other threads:[~2004-05-24 7:59 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 [this message]
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
-- 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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