perf tools: Show progress on histogram collapsing

It can take quite amount of time so add progress bar UI to inform user.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1381468543-25334-4-git-send-email-namhyung@kernel.org
[ perf_progress -> ui_progress ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c
index 17c6b494e8cc..6c5ae57831f6 100644
--- a/tools/perf/builtin-annotate.c
+++ b/tools/perf/builtin-annotate.c
@@ -247,7 +247,7 @@ static int __cmd_annotate(struct perf_annotate *ann)
 
                 if (nr_samples > 0) {
                         total_nr_samples += nr_samples;
-                        hists__collapse_resort(hists);
+                        hists__collapse_resort(hists, NULL);
                         hists__output_resort(hists);
 
                         if (symbol_conf.event_group &&