linux-kernel - Re: Query

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Message-ID: <AANLkTikaBU2hNNfBK7HFjB_imM+85VHNSOa6xPjjVuSX@mail.gmail.com>
Date:	Thu, 17 Mar 2011 17:34:52 +0530
From:	snmp snmp <snmp.ml@...il.com>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: Query

Thanks a lot for replying and your suggestions.
Actually , we have implemented this on SMP architecture.
We are trying to measure the performance with the tool you have suggested.


On Wed, Mar 16, 2011 at 5:24 PM, Alan Cox <alan@...rguk.ukuu.org.uk> wrote:
>>      Me and my friends are working on a new concept.
>
> It's not really new. Various systems have done this historically, and
> folks including Larry McVoy have proposed that for large scalability you
> might build a system out of multiple separate kernels one on each NUMA
> node and which had interfaces to loan or share pages with one another by
> bumping page counts and handling coherency.
>
> Cool to see someone trying some of this in Linux
>
>>      Our implementation is on Intel core 2 duo machine. So far our
>> implementation includes running two kernels simultaneously (one on
>> each core) , handling hard-disk on one core and ethernet on another
>> core so as to divide the network and disk subsystem.
>>
>>      But here we are unable to measure the performance. Can u please
>> suggest any method to measure the performance in terms of throughput
>> and response time?
>
> There are a bunch of standard benchmarks you can use. A lot of the big
> name ones need clusters of systems to do the loading but there are things
> like dbench that are quite useful on single systems.
>
> For some of the applications you are talking about I think dbench might
> be a good start.
>
>
> Alan
>
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