From: William Lee Irwin III <wli@holomorphy.com>
To: Dave Hansen <haveblue@us.ibm.com>
Cc: Andrew Morton <akpm@digeo.com>,
colpatch@us.ibm.com, "Martin J. Bligh" <mbligh@aracnet.com>,
Michael Hohnbaum <hohnbaum@us.ibm.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] per-zone^Wnode kswapd process
Date: Fri, 13 Sep 2002 16:46:53 -0700 [thread overview]
Message-ID: <20020913234653.GF3530@holomorphy.com> (raw)
In-Reply-To: <3D826C25.5050609@us.ibm.com>
On Fri, Sep 13, 2002 at 03:52:21PM -0700, Dave Hansen wrote:
> Here's a per-node kswapd. It's actually per-pg_data_t, but I guess that
> they're equivalent. Matt is going to follow up his topology API with
> something to bind these to their respective nodes.
>From 64 parallel tiobench 64's (higher counts livelock in fork() etc.):
38 root 15 0 0 0 0 RW 23.0 0.0 1:11 kswapd0
4779 wli 22 0 4460 3588 1648 R 17.9 0.0 0:16 top
...
4779 wli 25 0 4460 3592 1648 R 14.1 0.0 0:27 top
38 root 15 0 0 0 0 DW 3.5 0.0 1:31 kswapd0
...
OTOH, with such a small task count, ZONE_NORMAL is the only thing
feeling pressure anyway. There's also very little cpu pressure:
CPU states: 0.2% user, 6.4% system, 0.0% nice, 93.4% idle
Cheers,
Bill
next prev parent reply other threads:[~2002-09-13 23:48 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-09-13 3:33 [PATCH] per-zone " Dave Hansen
2002-09-13 4:06 ` Andrew Morton
2002-09-13 4:59 ` William Lee Irwin III
2002-09-13 5:10 ` Martin J. Bligh
[not found] ` <3D8232DE.9090000@us.ibm.com>
[not found] ` <3D823702.8E29AB4F@digeo.com>
[not found] ` <3D8251D6.3060704@us.ibm.com>
[not found] ` <3D82566B.EB2939D5@digeo.com>
2002-09-13 22:52 ` [PATCH] per-zone^Wnode " Dave Hansen
2002-09-13 23:24 ` Matthew Dobson
2002-09-13 23:29 ` Matthew Dobson
2002-09-13 23:46 ` William Lee Irwin III [this message]
2002-09-14 0:02 ` Andrew Morton
2002-09-14 0:12 ` William Lee Irwin III
2002-09-14 1:19 ` Andrew Morton
2002-09-13 5:46 ` [PATCH] per-zone " Andrew Morton
2002-09-13 5:38 ` Martin J. Bligh
2002-09-13 6:03 ` Andrew Morton
2002-09-13 13:05 ` Alan Cox
2002-09-13 21:30 ` William Lee Irwin III
2002-09-18 16:07 ` [PATCH] recognize MAP_LOCKED in mmap() call Hubertus Franke
2002-09-18 16:29 ` Andrew Morton
2002-09-16 5:44 ` [PATCH] per-zone kswapd process Daniel Phillips
2002-09-16 7:46 ` William Lee Irwin III
2002-09-16 15:12 ` Rik van Riel
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