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SubjectRe: [PATCH] futex: add FUTEX_SET_WAIT operation
Michel Lespinasse wrote:
> On Tue, Nov 17, 2009 at 08:16:06AM -0800, Darren Hart wrote:
>>> Darren has recently been putting a lot of effort in making a futex test
>>> suite:
>>>
>>> http://git.kernel.org/?p=linux/kernel/git/dvhart/futextest.git
>>>
>>> Its not yet complete, but hopefully it will soon be :-)
>> Michael, would you be willing to include a version of this test in the
>> above test suite? If so, then in keeping with the rest of the test suite,
>> I would recommend splitting into two tests, one of each opcode being
>> tested, and add argument to define thread count. The run.sh script would
>> then run each thread count as a separate test run.
>
> I had a quick look at the tree (using the http interface). I sure would not
> mind adding the tests, and the futextest.h file would make them look
> quite cleaner than my previous version. Just to be sure, would you put them
> under performance/ or stress/ ? This would be the first test to be added
> in these directories in any case, right ? (just asking in case I missed
> something obvious).

Michel, excellent!

I think performance sounds like the right place to me. Performance is
where I plan to put measurement tests where you report some score.
Stress tests are considered to have passed if the run to completion
without locking up or crashing the kernel :-)

We should take a look at the perf tool to see what requirements it may
impose on tests we want to share between perf and futextest.

--
Darren Hart
IBM Linux Technology Center
Real-Time Linux Team


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