Re: Volunteer for bug summaries?

[Jan-Benedict Glaw <jbglaw at lug-owl dot de>]

On Tue, 2007-05-22 08:50:59 +0100, Manuel LÃpez-IbÃÃez <lopezibanez@gmail.com> wrote:
> On 22/05/07, Jan-Benedict Glaw <jbglaw@lug-owl.de> wrote:
> > On Mon, 2007-05-21 15:35:53 -0700, Mark Mitchell <mark@codesourcery.com> 
> > wrote:
> > > Is there a volunteer who would like to help prepare a regular list of
> > > P3-and-higher PRs, together with -- where known -- the name of the
> > > person responsible for the checkin which caused the regression?  Or, is
> > > this something that could be automated through Bugzilla, perhaps by
> > > adding a pointer to the SVN revision at which the regression was 
> > introduced?
> >
> > For a start, isn't there enough computation power on the testing
> > cluster to build all and any revisions of binutils+gcc to run the test
> > suite?  Shouldn't be hard to implement and would be helpful.  I'd
> > volunteer to prepare the setup, if somebody supplies the CPU cycles.
> 
> I am not sure what you mean exactly. Running the testsuite is not the
> issue (it must be run for every patch). The discussion is about having
> a PR with a testcase, then identifying at which revision that testcase
> started to fail, then identifying who committed that revision.

Whee...  You're right, I got that wrong. Doesn't change anything about
scripting work, though. :)

> Janis has some scripts to do regression hunting. However, it is not
> fully automatic. For one reason or another, some revisions fail to
> built. When that happens, you need to mark that revision as ignored
> and restart the regression hunt. Perhaps you can modify the scripts to
> handle such situation. Maybe it should also contain a list of "bad"
> revisions. Apart from this, the scripts are very powerful and
> intuitive (although some docs would also help everybody).
> 
> On the other hand, setting up the regression hunt is not automatic
> either but with some practice, documentation and fine-tuning of the
> scripts, it can be made fairly trivial.

Alas, it sounds like an interesting project and I'd help trying to
automate it as far as possible.

MfG, JBG

-- 
      Jan-Benedict Glaw      jbglaw@lug-owl.de              +49-172-7608481
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