Re: Kernel stress testing coverage

Roger Larsson
2001-03-08T22:47:50Z

Hi,

Here is a link to some memory usage related test programs:

http://carpanta.dc.fi.udc.es/~quintela/memtest/

They have proven their value many times...

/RogerL

On Thursday 08 March 2001 21:57, Paul Larson wrote:
> Alan Cox <alan@lxorguk.ukuu.org.uk> on 03/08/2001 02:06:06 PM
>
> To: Paul Larson/Austin/IBM@ibmus
> cc:
> Subject: Re: Kernel stress testing coverage
>
> >One thing I've been using for coverage (at least some coverage) is the
>
> posix
>
> >test suite
>
> --------------------------
>
> Are you talking about the same posix test suite that LSB is using? I've
> looked into that a little, but here are the two problems I'm wanting to
> address:
>
> 1. How much of the kernel is getting hit on a run of any given test? Even
> an approximate percentage is fine as long as I can prove it.
>
> 2. I could run many many copies simultaneously I suppose and get some
> stress, but I'd prefer to stress individual pieces one at a time. Those
> pieces could then be mixed together in later runs for mixed load stress.
> Additional mixed load tests will be performed with general applications
> (web servers, databases, etc) for more of a "real world" environment, but I
> want to have focused tests as well.
>
> I'm betting that there are probably a LOT of quick and dirty test programs
> that kernel hackers have written to expose a problem or thoroughly test a
> piece of the kernel that they modified. These type of things would be
> FYI this project will be going on sourceforge very soon. I want to have a
> little more to start out with though and finish putting together a good
> project description, testplans, etc. to post as soon as we put it on there.
> I hate it when people start projects and you don't see any good information
> about it for weeks.
>
> Thanks,
> Paul Larson
>
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