Re: Up-to-date Valgrind suppression file for GLib/GTK+ ?

[Sébastien Wilmet <swilmet gnome org>]

On Tue, Aug 02, 2016 at 01:47:41PM +0100, Philip Withnall wrote:
> On Mon, 2016-08-01 at 20:10 +0200, Sébastien Wilmet wrote:
> > So, is there an up-to-date Valgrind suppression file somewhere? Or is
> > GNOME.supp the most up-to-date?
>
> The one I’ve been using is here:
>
> https://github.com/pwithnall/walbottle/blob/master/libwalbottle/tests/w
> albottle.supp
>
> It covers most of the GLib and GIO functionality which I’ve been using
> recently. Enough to get the Walbottle tests Valgrind-clean, at least.
>
> I do not claim it’s anything like perfect though.

I already get much better results with walbottle.supp, at least for the
tests depending only on GLib/GObject. Thanks a lot!

> This has been discussed before, and I failed to do anything about it:
>
> https://bugzilla.gnome.org/show_bug.cgi?id=666114#c28
>
> Installing a suppression file with GLib won’t fix everything, because
> Valgrind only has one default suppression file, which we can’t modify
> or add to. So even if GLib installed a suppression file, you’d have to
> pass it as a --suppressions argument to Valgrind manually. However,
> that is better than having to write your own suppressions file //and//
> pass it in.
>
> See here for information about default.supp:
>
> https://wiki.wxwidgets.org/Valgrind_Suppression_File_Howto#Valgrind_and
> _suppression_files
>
> Valgrind has a couple of bugs open about improving its support for
> default suppressions. None of them have seen activity recently:
>
> https://bugs.kde.org/show_bug.cgi?id=93376
> https://bugs.kde.org/show_bug.cgi?id=160905 (basically a duplicate)

And thanks for the links. I also think that it would be useful to have a
suppression file upstream, even if it is incomplete.

--
Sébastien