linux-kernel - Re: [PATCH v2] tools: port perf ui from GTK 2 to GTK 3

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Message-ID: <CAEdQ38FO0SH80SLQKpLxadOBKn7cuRmZLd=xU8jJguq+MuD+Lw@mail.gmail.com>
Date:   Mon, 31 Oct 2022 10:02:35 -0400
From:   Matt Turner <mattst88@...il.com>
To:     linux-perf-users@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Jelle van der Waa <jvanderwaa@...hat.com>
Subject: Re: [PATCH v2] tools: port perf ui from GTK 2 to GTK 3

On Wed, Oct 19, 2022 at 7:30 PM Matt Turner <mattst88@...il.com> wrote:
>
> From: Jelle van der Waa <jvanderwaa@...hat.com>
>
> GTK 2 is a legacy API and the newer version is GTK 3 which changes a few
> API functions. gtk_tree_view_set_rules_hint is no longer required since
> theme's are now responsible to handle this, gtk_vbox_new is deprecated
> and replaced by passing the orientation to gtk_box_new. Apart from these
> changes the accessing of the screen changed in GTK which requires using
> new functions for getting geometry. Lastly the GTK_STOCK_OK define is
> deprecated in GTK 3.
>
> Signed-off-by: Jelle van der Waa <jvanderwaa@...hat.com>
> Signed-off-by: Matt Turner <mattst88@...il.com>
> ---
> Originally sent in 2019. I've rebased it and given it a test.
>
> One problem I've noticed is that C++ symbol names are often broken.
> E.g.:
>
> (perf:3254940): Gtk-WARNING **: 21:47:46.663: Failed to set text from
> markup due to error parsing markup: Error on line 1 char 95:
> “std::char_traits<char” is not a valid name: “<”
>
> Presumably we need to call g_markup_escape_text() somewhere, but I
> struggled to find the right place.
>
> Without the patch, the GTK-2 version repeatedly segfaults, so this is an
> improvement regardless.
>
> v2: Dropped changes to test-all.c. I don't know how to build that
>     apparently.


Arnaldo, does this work better for you?