From: William Lee Irwin III <wli@holomorphy.com>
To: Chris Wood <cwood@xmission.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: 2.4.20, .text.lock.swap cpu usage? (ibm x440)
Date: Mon, 6 Jan 2003 15:50:24 -0800 [thread overview]
Message-ID: <20030106235024.GA23814@holomorphy.com> (raw)
In-Reply-To: <3E1A12B5.4020505@xmission.com>
On Mon, Jan 06, 2003 at 04:35:17PM -0700, Chris Wood wrote:
> 6383 .text.lock.swap 110.0517
> 4689 .text.lock.vmscan 28.2470
> 4486 shrink_cache 4.6729
> 168 rw_swap_page_base 0.6176
> 124 prune_icache 0.5167
> 81 statm_pgd_range 0.1534
> 51 .text.lock.inode 0.0966
> 38 system_call 0.6786
> 31 .text.lock.tty_io 0.0951
> 31 .text.lock.locks 0.1435
> 18 .text.lock.sched 0.0373
> 16 _stext 0.2000
> 15 fput 0.0586
> 11 .text.lock.read_write 0.0924
> 9 strnicmp 0.0703
> 9 do_wp_page 0.0110
> 9 do_page_fault 0.0066
> 9 .text.lock.namei 0.0073
> 9 .text.lock.fcntl 0.0714
> 8 sys_read 0.0294
This is really bad lock contention. You may need 2.5.x.
Bill
next prev parent reply other threads:[~2003-01-06 23:41 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-01-06 23:35 2.4.20, .text.lock.swap cpu usage? (ibm x440) Chris Wood
2003-01-06 23:50 ` William Lee Irwin III [this message]
2003-01-06 23:52 ` Andrew Morton
2003-01-09 17:17 ` Chris Wood
2003-01-09 20:18 ` Andrew Morton
2003-01-10 0:25 ` William Lee Irwin III
2003-01-10 0:44 ` Brian Tinsley
2003-01-10 0:55 ` William Lee Irwin III
2003-01-10 20:42 ` Chris Wood
2003-01-09 2:20 ` James Cleverdon
2003-01-09 2:57 ` William Lee Irwin III
-- strict thread matches above, loose matches on Subject: below --
2003-01-10 3:17 Brian Tinsley
2003-01-10 3:29 ` William Lee Irwin III
2003-01-10 3:42 ` Brian Tinsley
2003-01-10 3:54 ` William Lee Irwin III
2003-01-10 4:08 ` Brian Tinsley
2003-01-10 4:19 ` William Lee Irwin III
2003-01-10 4:50 ` Brian Tinsley
2003-01-10 5:17 ` Martin J. Bligh
2003-01-10 5:24 ` William Lee Irwin III
2003-01-10 5:45 ` Brian Tinsley
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