Re: libxml2 2.9.10 and Hang after Testing parser : 61 of 70 functions

On Mon, Mar 22, 2021 at 4:09 PM Jeffrey Walton <[email protected]> wrote:
>
> On Mon, Mar 22, 2021 at 6:10 AM Nick Wellnhofer <[email protected]> wrote:
> >
> >  ...
> > > libxml2's make check is hanging at:
> > >
> > >      ...
> > >      Testing nanoftp : 14 of 22 functions ...
> > >      Testing nanohttp : 13 of 17 functions ...
> > >      Testing parser : 61 of 70 functions ...
> > >      <hang here>
> > >
> > > Does anyone have an idea what may be going sideways?
> >
> > That's the 'testapi' test which causes the same problem on Windows. The test
> > should complete eventually. It's just incredibly slow. One possible
> > explanation is that somewhere an array is reallocated every time an element is
> > appended. Some Linux allocators can handle repeated reallocations in linear
> > time, but in general, you have to expect quadratic behavior. I just haven't
> > found the time to investigate the issue.
>
> Thanks Nick.
>
> 'ps -A' shows it is making progress. Maybe you can add some sort of
> progress indicator to avoid this [useless] noise in the future :)

OK, it completed. All tests were successful.

I added a couple of calls to 'date' before and after 'make check'. On
the PowerMac:

    Start time: Mon Mar 22 15:47:43 EDT 2021
    Finish time: Mon Mar 22 16:13:58 EDT 2021

Jeff