Re: Benchmarks for the Linux kernel MM architecture

["Hillf Danton" <hillf.zj@alibaba-inc.com>]

On Tuesday, January 10, 2017 11:36 PM David Nellans wrote: 
> 
> On 01/06/2017 04:29 PM, Till Smejkal wrote:
> > Dear Linux MM community
> >
> > My name is Till Smejkal and I am a PhD Student at Hewlett Packard Enterprise. For a
> > couple of weeks I have been working on a patchset for the Linux kernel which
> > introduces a new functionality that allows address spaces to be first class citizens
> > in the OS. The implementation is based on a concept presented in this [1] paper.
> >
> > The basic idea of the patchset is that an AS not necessarily needs to be coupled with
> > a process but can be created and destroyed independently. A process still has its own
> > AS which is created with the process and which also gets destroyed with the process,
> > but in addition there can be other AS in the OS which are not bound to the lifetime
> > of any process. These additional AS have to be created and destroyed actively by the
> > user and can be attached to a process as additional AS. Attaching such an AS to a
> > process allows the process to have different views on the memory between which the
> > process can switch arbitrarily during its executing.
> >
> > This feature can be used in various different ways. For example to compartmentalize a
> > process for security reasons or to improve the performance of data-centric
> > applications.
> >
> > However, before I intend to submit the patchset to LKML, I first like to perform
> > some benchmarks to identify possible performance drawbacks introduced by my changes
> > to the original memory management architecture. Hence, I would like to ask if anyone
> > of you could point me to some benchmarks which I can run to test my patchset and
> > compare it against the original implementation.
> >
> > If there are any questions, please feel free to ask me. I am happy to answer any
> > question related to the patchset and its idea/intention.
> >
> > Regards
> > Till
> >
> > P.S.: Please keep me in the CC since I am not subscribed to this mailing list.
> >
> > [1] http://impact.crhc.illinois.edu/shared/Papers/ASPLOS16-SpaceJMP.pdf
> 
> https://github.com/gormanm/mmtests
> 
And please take a look at linux-4.9/tools/testing/selftests/vm. 

The last resort seems to ask Mel on linux-mm for 
howtos he knows.
	Mel Gorman <mgorman@techsingularity.net>

Good luck
Hillf


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