From: Andrew Morton <akpm@osdl.org>
To: Phy Prabab <phyprabab@yahoo.com>
Cc: wli@holomorphy.com, jakob@unthought.net, linux-kernel@vger.kernel.org
Subject: Re: Help understanding slow down
Date: Sun, 23 May 2004 19:43:52 -0700 [thread overview]
Message-ID: <20040523194352.4468da09.akpm@osdl.org> (raw)
In-Reply-To: <20040524015153.32010.qmail@web90003.mail.scd.yahoo.com>
Phy Prabab <phyprabab@yahoo.com> wrote:
>
> Okay, so ran the test with vmstat running. I ran it
> capturing every 1 sec. Here is an excert:
That was horridly wordwrapped.
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
This is a single-CPU machine, yes?
Your application is spending most of the time in an explicit sleep of some
form. Suggest you run strace against it and see what it's up to.
next prev parent reply other threads:[~2004-05-24 2:44 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 [this message]
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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