From: Nick Piggin <nickpiggin@yahoo.com.au>
To: Phy Prabab <phyprabab@yahoo.com>
Cc: William Lee Irwin III <wli@holomorphy.com>,
Jakob Oestergaard <jakob@unthought.net>,
linux-kernel@vger.kernel.org
Subject: Re: Help understanding slow down
Date: Mon, 24 May 2004 12:42:13 +1000 [thread overview]
Message-ID: <40B16105.8060500@yahoo.com.au> (raw)
In-Reply-To: <20040524015153.32010.qmail@web90003.mail.scd.yahoo.com>
Phy Prabab wrote:
> Okay, so ran the test with vmstat running. I ran it
> capturing every 1 sec. Here is an excert:
>
> procs memory swap
> io system cpu
> r b swpd free buff cache si so bi bo in cs us sy id wa
> 1 0 0 8153848 17000 82348 0 0 0 0 4568 4028 6 16 78 0
> 0 1 0 8154168 17008 82340 0 0 0 160 4596 4079 7 17 76 1
> 1 0 0 8153848 17008 82340 0 0 0 0 4511 3998 7 16 76 0
> 1 0 0 8153912 17008 82340 0 0 0 0 4460 3952 7 14 79 0
> 1 0 0 8153784 17016 82332 0 0 0 0 4437 3962 7 16 77 0
> 1 0 0 8153528 17016 82332 0 0 0 0 4444 3927 7 14 78 0
> 1 1 0 8153784 17024 82392 0 0 0 144 4399 3895 7 15 77 1
> 0 0 0 8153592 17024 82392 0 0 0 0 4367 3821 7 15 78 0
> 1 0 0 8153848 17024 82392 0 0 0 0 4393 3926 6 16 78 0
> 1 0 0 8153528 17024 82460 0 0 0 0 4438 3960 8 14 78 0
> 1 0 0 8154040 17024 82460 0 0 0 0 4415 3912 6 15 78 0
> 1 1 0 8153720 17032 82452 0 0 0 140 4457 3953 7 15 77 1
> 1 0 0 8153784 17032 82452 0 0 0 0 4437 3889 7 14 79 0
> 0 0 0 8153784 17040 82444 0 0 0 0 4398 3903 8 15 77 0
> 1 0 0 8153464 17040 82444 0 0 0 0 4398 3902 7 14 79 0
> 0 0 0 8153528 17040 82444 0 0 0 0 4447 3922 6 17 77 0
> 0 1 0 8153720 17052 82432 0 0 0 144 4490 3960 6 16 77 1
> 0 0 0 8153656 17056 82428 0 0 0 0 4449 3954 7 15 78 0
>
Funny, you are basically not doing any IO at all.
How many CPUs are in your system?
As WLI noted, 2.6 is still taking more system time,
so a profile might still be useful.
next prev parent reply other threads:[~2004-05-24 2:42 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 [this message]
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
-- 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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