[Twisted-Python] epoll reactor

[Jp Calderone]

On Wed, 25 May 2005 23:30:52 +1000, James Bunton <james at delx.cjb.net> wrote:
>On 24/05/2005, at 11:48 PM, Jp Calderone wrote:
>>On Tue, 24 May 2005 23:13:51 +1000, James Bunton <james at delx.cjb.net> 
>>wrote:
>>>On 23/05/2005, at 11:23 PM, Jp Calderone wrote:
>>>>On Mon, 23 May 2005 22:08:43 +1000, James Bunton <james at delx.cjb.net> 
>>>>wrote:
>>>>>Well, I got it to work properly now :)
>>>>>
>>>>>http://msn-transport.jabberstudio.org/tarballs/epoll-0.2.tar.gz
>>>>>
>>>>>It's now uses the epoll edge triggered flag, and doesn't chew 99% CPU 
>>>>>like the first one accidentally did.
>>>>
>>>>  Neat.  There has been a level-triggered epoll reactor in my sandbox for 
>>>>some time, but I was never able to get the edge triggered version to 
>>>>work.
>>>>
>>>>  Hmm, running the Twisted test suite with this version doesn't do too 
>>>>well either.  A few tests fail here and there before it gets totally 
>>>>wedged on twisted.test.test_pb.ConnectionTestCase.testIdentityConnector.
>>>>
>>>>  You can try this yourself by adding an entry for this reactor to the 
>>>>dictionary at the top of twisted.application.app, then running "trial -R 
>>>>-r epoll twisted", where "epoll" is the key you add to that dict.
>>>>
>>>>  Jp
>>>
>>>A lot of these seem to fail when using the 'poll' and reactor also.
>>>Broken tests or two broken reactors do you think?
>>>
>>>But there are a few there I can fix. Thanks for the pointer :)
>>
>>The poll reactor seems to be doing okay on the buildslave:
>>
>>  http://twistedmatrix.com/buildbot/
>>
>>Maybe it's skipping some tests that are running on your machine?
>>
>>Jp
>
>Do you know how I can tell which tests are ok to skip? And how to skip them?
>The buildbot page didn't seem to say what tests were actually run, only the 
>warnings that occurred.

If you check out the "problems" link, it lists which tests are being skipped.  One such page is at <http://twistedmatrix.com/buildbot/reactors/builds/389/poll/2>.

>
>http://msn-transport.jabberstudio.org/tarballs/epoll-0.3.tar.gz
>That should do a little better with the tests. It still fails some, but they 
>seem to be the same ones that poll fails also.

Cool, I'll give it a try later today.

Jp