A benchmark that tests disk/file system create/read/write/delete throughput,
as dbench is supposed to? Though I haven't used it personally, others
(Arjan) have suggested tiobench:
http://tiobench.sourceforge.net/
Apparently it does not suffer from the kind of scheduling and caching
variability that dbench does. This needs to be verified. Some multiple run
benchmarks would do the trick, with results for the individual runs reported
along the lines of what we have seen often with dbench.
Bonnie++ is another benchmark that is often suggested. Again, I don't
personally have much experience with it.
After that, I'm afraid we tend to enter the realm of commercial benchmarks,
where the name of the game is to establish your own benchmark program as the
standard so that you can charge big bucks for licensing your code (since your
customers have two choices: either buy your code or don't publish their
numbers, sweet deal).
Personally, I normally create my own benchmark tests, tailor-made to exercise
the particular thing I'm working on at the moment. Such quick hacks would
not normally possess all the properties we'd like to see in benchmarks
designed for widespread use and publication of results.
Anybody looking for a kernel-related project but not being quite ready to
hack the kernel itself might well have a good think about what might
constitute good benchmarks for various kernel subsystems, and code something
up, or join up with others who are already interested in that subject, such
as osdl or the tiobench project mentioned above. This would be a valuable
contribution.
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