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

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Date:   Mon, 31 Oct 2022 12:03:18 -0700
From:   Namhyung Kim <namhyung@...nel.org>
To:     Matt Turner <mattst88@...il.com>
Cc:     linux-perf-users@...r.kernel.org, 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>,
        Jelle van der Waa <jvanderwaa@...hat.com>
Subject: Re: [PATCH v2] tools: port perf ui from GTK 2 to GTK 3

Hello,

On Wed, Oct 19, 2022 at 4:30 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.

Thanks for working on this.

>
> v2: Dropped changes to test-all.c. I don't know how to build that
>     apparently.
>
>  tools/build/Makefile.feature                  |  5 +++--
>  tools/build/feature/Makefile                  | 12 +++++-----
>  ...est-gtk2-infobar.c => test-gtk3-infobar.c} |  0
>  .../feature/{test-gtk2.c => test-gtk3.c}      |  0
>  tools/perf/Documentation/perf-report.txt      |  2 +-
>  tools/perf/Makefile                           |  2 +-
>  tools/perf/Makefile.config                    | 22 +++++++++----------
>  tools/perf/Makefile.perf                      |  6 ++---
>  tools/perf/builtin-report.c                   |  2 +-
>  tools/perf/builtin-version.c                  |  1 +
>  tools/perf/tests/make                         | 12 +++++-----
>  tools/perf/ui/gtk/annotate.c                  |  2 +-
>  tools/perf/ui/gtk/browser.c                   | 16 ++++++++------
>  tools/perf/ui/gtk/hists.c                     |  6 +----
>  tools/perf/ui/gtk/progress.c                  |  2 +-
>  tools/perf/ui/setup.c                         |  2 +-
>  16 files changed, 46 insertions(+), 46 deletions(-)
>  rename tools/build/feature/{test-gtk2-infobar.c => test-gtk3-infobar.c} (100%)
>  rename tools/build/feature/{test-gtk2.c => test-gtk3.c} (100%)
>
> diff --git a/tools/build/Makefile.feature b/tools/build/Makefile.feature
> index 57619f240b56..967b8be96b65 100644
> --- a/tools/build/Makefile.feature
> +++ b/tools/build/Makefile.feature
> @@ -80,8 +80,8 @@ FEATURE_TESTS_EXTRA :=                  \
>           compile-32                     \
>           compile-x32                    \
>           cplus-demangle                 \
> -         gtk2                           \
> -         gtk2-infobar                   \
> +         gtk3                           \
> +         gtk3-infobar                   \

I don't think gtk3-inforbar check is necessary anymore.  IIRC the infobar
was introduced in the middle of gtk2 so it needs to check if the current
version supports it or not.  But I guess gtk3 should support it by default.

Thanks,
Namhyung


>           hello                          \
>           libbabeltrace                  \
>           libbfd-liberty                 \
> @@ -119,6 +119,7 @@ FEATURE_DISPLAY ?=              \
>           dwarf                  \
>           dwarf_getlocations     \
>           glibc                  \
> +         gtk3                   \
>           libbfd                 \
>           libbfd-buildid                \
>           libcap                 \