[PATCH] perf: dynamically change verbosity level in perf top

[Alexis Berlemont]

Signed-off-by: Alexis Berlemont <alexis.berlem...@gmail.com>
---
 tools/perf/ui/browsers/hists.c |  5 ++++-
 tools/perf/util/map.c          | 17 ++++++++++++-----
 2 files changed, 16 insertions(+), 6 deletions(-)

diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
index fb8e42c..6016909 100644
--- a/tools/perf/ui/browsers/hists.c
+++ b/tools/perf/ui/browsers/hists.c
@@ -2806,7 +2806,10 @@ static int perf_evsel__hists_browse(struct perf_evsel 
*evsel, int nr_events,
                        do_zoom_dso(browser, actions);
                        continue;
                case 'V':
-                       browser->show_dso = !browser->show_dso;
+                       verbose = (verbose + 1) % 4;
+                       browser->show_dso = verbose > 0;
+                       ui_helpline__fpush("Verbosity level set to %d\n",
+                                          verbose);
                        continue;
                case 't':
                        actions->thread = thread;
diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c
index c662fef..4f9a71c 100644
--- a/tools/perf/util/map.c
+++ b/tools/perf/util/map.c
@@ -682,9 +682,16 @@ static int maps__fixup_overlappings(struct maps *maps, 
struct map *map, FILE *fp
                        continue;
 
                if (verbose >= 2) {
-                       fputs("overlapping maps:\n", fp);
-                       map__fprintf(map, fp);
-                       map__fprintf(pos, fp);
+
+                       if (use_browser) {
+                               pr_warning("overlapping maps in %s "
+                                          "(disable tui for more info)\n",
+                                          map->dso->name);
+                       } else {
+                               fputs("overlapping maps:\n", fp);
+                               map__fprintf(map, fp);
+                               map__fprintf(pos, fp);
+                       }
                }
 
                rb_erase_init(&pos->rb_node, root);
@@ -702,7 +709,7 @@ static int maps__fixup_overlappings(struct maps *maps, 
struct map *map, FILE *fp
 
                        before->end = map->start;
                        __map_groups__insert(pos->groups, before);
-                       if (verbose >= 2)
+                       if (verbose >= 2 && !use_browser)
                                map__fprintf(before, fp);
                        map__put(before);
                }
@@ -717,7 +724,7 @@ static int maps__fixup_overlappings(struct maps *maps, 
struct map *map, FILE *fp
 
                        after->start = map->end;
                        __map_groups__insert(pos->groups, after);
-                       if (verbose >= 2)
+                       if (verbose >= 2 && !use_browser)
                                map__fprintf(after, fp);
                        map__put(after);
                }
-- 
2.10.0