linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Andrew Morton <akpm@digeo.com>
To: William Lee Irwin III <wli@holomorphy.com>
Cc: Dave Hansen <haveblue@us.ibm.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 17:02:56 -0700	[thread overview]
Message-ID: <3D827CB0.D227D0E9@digeo.com> (raw)
In-Reply-To: <20020913234653.GF3530@holomorphy.com>

William Lee Irwin III wrote:
> 
> 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
> 

Why do I see only one kswapd here?

Are you claiming an overall 4x improvement, or what?

I'll add some instrumentation whch tells us how many pages
kswapd is reclaiming versus direct reclaim.

  reply	other threads:[~2002-09-13 23:58 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
2002-09-14  0:02                   ` Andrew Morton [this message]
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

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=3D827CB0.D227D0E9@digeo.com \
    --to=akpm@digeo.com \
    --cc=colpatch@us.ibm.com \
    --cc=haveblue@us.ibm.com \
    --cc=hohnbaum@us.ibm.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mbligh@aracnet.com \
    --cc=wli@holomorphy.com \
    --subject='Re: [PATCH] per-zone^Wnode kswapd process' \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).