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Date:   Mon, 15 May 2023 17:54:19 -0300
From:   Arnaldo Carvalho de Melo <acme@kernel.org>
To:     Ian Rogers <irogers@google.com>
Cc:     Namhyung Kim <namhyung@kernel.org>, Jiri Olsa <jolsa@kernel.org>,
        Adrian Hunter <adrian.hunter@intel.com>,
        Peter Zijlstra <peterz@infradead.org>,
        Ingo Molnar <mingo@kernel.org>,
        LKML <linux-kernel@vger.kernel.org>,
        linux-perf-users@vger.kernel.org, Andi Kleen <ak@linux.intel.com>
Subject: Re: [PATCH 3/3] perf annotate browser: Add '<' and '>' keys for
 navigation
Message-ID: <ZGKb+4DXN864kEZ+@kernel.org>
References: <20230511062725.514752-1-namhyung@kernel.org>
 <20230511062725.514752-3-namhyung@kernel.org>
 <CAP-5=fV+LFcMRwHPZUrq=MpOZVp8Q+4vEVKGTQg3rLREfJsg1w@mail.gmail.com>
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Em Mon, May 15, 2023 at 10:09:08AM -0700, Ian Rogers escreveu:
> On Wed, May 10, 2023 at 11:27 PM Namhyung Kim <namhyung@kernel.org> wrote:
> >
> > The hists__find_annotations() allow to move to next or previous symbols
> > for annotation using the arrow keys.  But TUI annotate_browser__run()
> > uses the RIGHT key as ENTER to handle jump/call instructions.  That
> > makes the navigation to the next function impossible.
> >
> > I'd like to change it back to move the next symbol but I'm afraid if
> > some users get confused.  So I added a new pair of keys to handle that.
> >
> > Signed-off-by: Namhyung Kim <namhyung@kernel.org>
> 
> Acked-by: Ian Rogers <irogers@google.com>
> 
> Thanks,
> Ian
> 
> > ---
> >  tools/perf/builtin-annotate.c     | 4 +++-
> >  tools/perf/ui/browsers/annotate.c | 4 +++-
> >  2 files changed, 6 insertions(+), 2 deletions(-)
> >
> > diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c
> > index 63cdf6ea6f6d..425a7e2fd6fb 100644
> > --- a/tools/perf/builtin-annotate.c
> > +++ b/tools/perf/builtin-annotate.c
> > @@ -342,7 +342,7 @@ static void hists__find_annotations(struct hists *hists,
> >                 notes = symbol__annotation(he->ms.sym);
> >                 if (notes->src == NULL) {
> >  find_next:
> > -                       if (key == K_LEFT)
> > +                       if (key == K_LEFT || key == '<')
> >                                 nd = rb_prev(nd);
> >                         else
> >                                 nd = rb_next(nd);
> > @@ -378,9 +378,11 @@ static void hists__find_annotations(struct hists *hists,
> >                                         return;
> >                                 /* fall through */
> >                         case K_RIGHT:
> > +                       case '>':
> >                                 next = rb_next(nd);
> >                                 break;
> >                         case K_LEFT:
> > +                       case '<':
> >                                 next = rb_prev(nd);
> >                                 break;
> >                         default:
> > diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c
> > index 12c3ce530e42..70bad42b807b 100644
> > --- a/tools/perf/ui/browsers/annotate.c
> > +++ b/tools/perf/ui/browsers/annotate.c
> > @@ -781,9 +781,9 @@ static int annotate_browser__run(struct annotate_browser *browser,
> >                         ui_browser__help_window(&browser->b,
> >                 "UP/DOWN/PGUP\n"
> >                 "PGDN/SPACE    Navigate\n"
> > +               "</>           Move to prev/next symbol\n"
> >                 "q/ESC/CTRL+C  Exit\n\n"
> >                 "ENTER         Go to target\n"
> > -               "ESC           Exit\n"

I think the two above were unintentional? I'm removing this hunk.

- Arnaldo

> >                 "H             Go to hottest instruction\n"
> >                 "TAB/shift+TAB Cycle thru hottest instructions\n"
> >                 "j             Toggle showing jump to target arrows\n"
> > @@ -913,6 +913,8 @@ static int annotate_browser__run(struct annotate_browser *browser,
> >                         annotation__toggle_full_addr(notes, ms);
> >                         continue;
> >                 case K_LEFT:
> > +               case '<':
> > +               case '>':
> >                 case K_ESC:
> >                 case 'q':
> >                 case CTRL('c'):
> > --
> > 2.40.1.521.gf1e218fcd8-goog
> >

-- 

- Arnaldo