Date: Fri, 20 Jan 2006 22:22:46 +0900
From: Yasunori Goto <y-goto@jp.fujitsu.com>
To: Mel Gorman <mel@csn.ul.ie>
Subject: Re: [Lhms-devel] Re: [PATCH 0/5] Reducing fragmentation using zones
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
       Joel Schopp <jschopp@austin.ibm.com>, linux-mm@kvack.org,
       linux-kernel@vger.kernel.org, lhms-devel@lists.sourceforge.net
In-Reply-To: <Pine.LNX.4.58.0601201216280.14292@skynet>
References: <20060120210353.1269.Y-GOTO@jp.fujitsu.com> <Pine.LNX.4.58.0601201216280.14292@skynet>
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Thanks! I'll try it next week. :-)

> On Fri, 20 Jan 2006, Yasunori Goto wrote:
> 
> > > What sort of tests would you suggest? The tests I have been running to
> > > date are
> > >
> > > "kbuild + aim9" for regression testing
> > >
> > > "updatedb + 7 -j1 kernel compiles + highorder allocation" for seeing how
> > > easy it was to reclaim contiguous blocks
> >
> > BTW, is "highorder allocation test" your original test code?
> > If so, just my curious, I would like to see it too. ;-).
> >
> 
> 1. Download http://www.csn.ul.ie/~mel/projects/vmregress/vmregress-0.20.tar.gz
> 2. Extract it to /usr/src/vmregress (i.e. there should be a
>    /usr/src/vmregress/bin directory)
> 3. Download linux-2.6.11.tar.gz to /usr/src
> 4. Make a directory /usr/src/bench-stresshighalloc-test
> 5. cd to /usr/src/vmregress and run 3. cd to the directory and run
>    ./configure --with-linux=/path/to/running/kernel
>    make
> 
> 5. Run the test
>    bench-stresshighalloc.sh -z -k 6 --oprofile
> 
>    -z Will test using high memory
>    -k 6 will build 1 kernel + 6 additional ones
>    By default, it will try and allocate 275 order-10 pages. Specify the
>    number of pages with -c and the order with -s
> 
> The paths above are default paths. They can all be overridden with command
> line parameters like -t to specify a different kernel to use and -b to
> specify a different path to build all the kernels in.
> 
> By default, the results will be logged to a directory whose name is based
> on the kernel being tested. For example, one result directory is
> ~/vmregressbench-2.6.16-rc1-mm1-clean/highalloc-heavy/log.txt
> 
> Comparisions between different runs can be analysed by using
> diff-highalloc.sh. e.g.
> 
> diff-highalloc.sh vmregressbench-2.6.16-rc1-mm1-clean vmregressbench-2.6.16-rc1-mm1-mbuddy-v22
> 
> If you want to test just high-order allocations while some other workload
> is running, use bench-plainhighalloc.sh. See --help for a list of
> available options.
> 
> If you want to use bench-aim9.sh, download and build aim9 in /usr/src/aim9
> and edit the s9workfile to specify the tests you are interested in. Use
> diff-aim9.sh to compare different runs of aim9.
> 
> -- 
> Mel Gorman
> Part-time Phd Student                          Linux Technology Center
> University of Limerick                         IBM Dublin Software Lab
> 
> 
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-- 
Yasunori Goto 


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