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-rw-r--r--tools/perf/ui/browsers/hists.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
index 8bf18afe2a1f..fc4fb669ceee 100644
--- a/tools/perf/ui/browsers/hists.c
+++ b/tools/perf/ui/browsers/hists.c
@@ -571,6 +571,15 @@ static void hist_browser__set_folding(struct hist_browser *browser, bool unfold)
ui_browser__reset_index(&browser->b);
}
+static void hist_browser__set_folding_selected(struct hist_browser *browser, bool unfold)
+{
+ if (!browser->he_selection)
+ return;
+
+ hist_entry__set_folding(browser->he_selection, browser, unfold);
+ browser->b.nr_entries = hist_browser__nr_entries(browser);
+}
+
static void ui_browser__warn_lost_events(struct ui_browser *browser)
{
ui_browser__warning(browser, 4,
@@ -644,10 +653,18 @@ int hist_browser__run(struct hist_browser *browser, const char *help)
/* Collapse the whole world. */
hist_browser__set_folding(browser, false);
break;
+ case 'c':
+ /* Collapse the selected entry. */
+ hist_browser__set_folding_selected(browser, false);
+ break;
case 'E':
/* Expand the whole world. */
hist_browser__set_folding(browser, true);
break;
+ case 'e':
+ /* Expand the selected entry. */
+ hist_browser__set_folding_selected(browser, true);
+ break;
case 'H':
browser->show_headers = !browser->show_headers;
hist_browser__update_rows(browser);