Re: collecting simple benchmark scripts?

[Pavel Machek <pavel@ucw.cz>]

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Hi!

> In a separate thread, some folks were looking for some simple
> benchmarks for evaluating various changes to kernel internals (as
> opposed to the much more focused things like xfstests). For me, this
> has been an area of lore and passed-around scripts, and it seems like
> maybe we should have a subdirectory of tools/testing/benchmarks/ or
> something to collect these?
> 
> (Or maybe this already exists and I've totally missed it?)
> 
> I've got at least one micro-benchmark in
> tools/testing/selftests/seccomp/seccomp_benchmark.c, and searches show
> tools/testing/selftests/vm/gup_benchmark.c too, but I was thinking of
> either more generali things more like the famous "kernel build
> benchmark" or a wrapper for running hackbench to get some statistics
> out of it, etc.

Ok, I guess my micro-benchmark is too micro for you, but I like to use

"time cat /dev/urandom | head -c 10000000 |  bzip2 -9 - | wc -c"

I have a page with various results online somewhere, probably at

http://atrey.karlin.mff.cuni.cz/~pavel/quickbench.html


									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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