perf ui progress: Add ui specific init function

Adding ui specific init function allowing to setup the progress bar
width based on current screen scales.

Adding TUI init function to get more grained update of the progress bar.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/20170908120510.22515-4-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 7 insertions, 2 deletions

diff --git a/tools/perf/ui/tui/progress.c b/tools/perf/ui/tui/progress.c
index c4b99008e2c9..f6b8f52aad7e 100644
--- a/tools/perf/ui/tui/progress.c
+++ b/tools/perf/ui/tui/progress.c
@@ -5,6 +5,11 @@
 #include "tui.h"
 #include "../browser.h"
 
+static void __tui_progress__init(struct ui_progress *p)
+{
+        p->next = p->step = p->total / (SLtt_Screen_Cols - 2) ?: 1;
+}
+
 static void tui_progress__update(struct ui_progress *p)
 {
         int bar, y;
@@ -49,8 +54,8 @@ static void tui_progress__finish(void)
         pthread_mutex_unlock(&ui__lock);
 }
 
-static struct ui_progress_ops tui_progress__ops =
-{
+static struct ui_progress_ops tui_progress__ops = {
+        .init   = __tui_progress__init,
         .update = tui_progress__update,
         .finish = tui_progress__finish,
 };