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Subject[PATCH] perf: dynamically change verbosity level in perf top
Date
Signed-off-by: Alexis Berlemont <alexis.berlemont@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
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