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    Subject[tip:perf/core] perf annotate browser: Add key bindings help window
    Commit-ID:  54e7a4e88eed9ac423e22a259ec51a973fd59bab
    Gitweb: http://git.kernel.org/tip/54e7a4e88eed9ac423e22a259ec51a973fd59bab
    Author: Arnaldo Carvalho de Melo <acme@redhat.com>
    AuthorDate: Sat, 12 May 2012 16:36:55 -0300
    Committer: Arnaldo Carvalho de Melo <acme@redhat.com>
    CommitDate: Sat, 12 May 2012 16:36:55 -0300

    perf annotate browser: Add key bindings help window

    Cc: David Ahern <dsahern@gmail.com>
    Cc: Frederic Weisbecker <fweisbec@gmail.com>
    Cc: Mike Galbraith <efault@gmx.de>
    Cc: Namhyung Kim <namhyung@gmail.com>
    Cc: Paul Mackerras <paulus@samba.org>
    Cc: Peter Zijlstra <peterz@infradead.org>
    Cc: Stephane Eranian <eranian@google.com>
    Link: http://lkml.kernel.org/n/tip-1txmtzf71eqie5xcukbfxors@git.kernel.org
    Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
    ---
    tools/perf/ui/browsers/annotate.c | 25 ++++++++++++++++++-------
    1 files changed, 18 insertions(+), 7 deletions(-)

    diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c
    index 547bd35..6e0ef79 100644
    --- a/tools/perf/ui/browsers/annotate.c
    +++ b/tools/perf/ui/browsers/annotate.c
    @@ -581,10 +581,7 @@ static int annotate_browser__run(struct annotate_browser *self, int evidx,
    struct rb_node *nd = NULL;
    struct map_symbol *ms = self->b.priv;
    struct symbol *sym = ms->sym;
    - const char *help = "<-/ESC: Exit, TAB/shift+TAB: Cycle hot lines, "
    - "H: Hottest line, ->/ENTER: Line action, "
    - "O: Offset view, "
    - "S: Source view";
    + const char *help = "Press 'h' for help on key bindings";
    int key;

    if (ui_browser__show(&self->b, sym->name, help) < 0)
    @@ -637,16 +634,30 @@ static int annotate_browser__run(struct annotate_browser *self, int evidx,
    else
    nd = self->curr_hot;
    break;
    - case 'H':
    + case K_F1:
    case 'h':
    + ui_browser__help_window(&self->b,
    + "UP/DOWN/PGUP\n"
    + "PGDN/SPACE Navigate\n"
    + "q/ESC/CTRL+C Exit\n\n"
    + "-> Go to target\n"
    + "<- Exit\n"
    + "h Cycle thru hottest instructions\n"
    + "j Toggle showing jump to target arrows\n"
    + "J Toggle showing number of jump sources on targets\n"
    + "n Search next string\n"
    + "o Toggle disassembler output/simplified view\n"
    + "s Toggle source code view\n"
    + "/ Search string\n"
    + "? Search previous string\n");
    + continue;
    + case 'H':
    nd = self->curr_hot;
    break;
    - case 'S':
    case 's':
    if (annotate_browser__toggle_source(self))
    ui_helpline__puts(help);
    continue;
    - case 'O':
    case 'o':
    self->use_offset = !self->use_offset;
    if (self->use_offset)

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