perf report: Add progress bars

[deliverable/linux.git] / tools / perf / util / hist.c

diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index de3190102cc88065ccd5fc3778fea0fd69cd38b5..a46d093324623007b482d215819c98858f1e5d38 100644 (file)
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -185,12 +185,13 @@ static void perf_session__insert_output_hist_entry(struct rb_root *root,
        rb_insert_color(&he->rb_node, root);
 }
 
-void perf_session__output_resort(struct rb_root *hists, u64 total_samples)
+u64 perf_session__output_resort(struct rb_root *hists, u64 total_samples)
 {
        struct rb_root tmp;
        struct rb_node *next;
        struct hist_entry *n;
        u64 min_callchain_hits;
+       u64 nr_hists = 0;
 
        min_callchain_hits =
                total_samples * (callchain_param.min_percent / 100);
@@ -205,9 +206,11 @@ void perf_session__output_resort(struct rb_root *hists, u64 total_samples)
                rb_erase(&n->rb_node, hists);
                perf_session__insert_output_hist_entry(&tmp, n,
                                                       min_callchain_hits);
+               ++nr_hists;
        }
 
        *hists = tmp;
+       return nr_hists;
 }
 
 static size_t callchain__fprintf_left_margin(FILE *fp, int left_margin)