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-rw-r--r--tools/perf/util/ui/browsers/hists.c112
1 files changed, 106 insertions, 6 deletions
diff --git a/tools/perf/util/ui/browsers/hists.c b/tools/perf/util/ui/browsers/hists.c
index c17611fb5c0..2fc1ba3a468 100644
--- a/tools/perf/util/ui/browsers/hists.c
+++ b/tools/perf/util/ui/browsers/hists.c
@@ -58,6 +58,11 @@ static char callchain_list__folded(const struct callchain_list *self)
return map_symbol__folded(&self->ms);
}
+static void map_symbol__set_folding(struct map_symbol *self, bool unfold)
+{
+ self->unfolded = unfold ? self->has_children : false;
+}
+
static int callchain_node__count_rows_rb_tree(struct callchain_node *self)
{
int n = 0;
@@ -196,11 +201,98 @@ static bool hist_browser__toggle_fold(struct hist_browser *self)
return false;
}
+static int callchain_node__set_folding_rb_tree(struct callchain_node *self, bool unfold)
+{
+ int n = 0;
+ struct rb_node *nd;
+
+ for (nd = rb_first(&self->rb_root); nd; nd = rb_next(nd)) {
+ struct callchain_node *child = rb_entry(nd, struct callchain_node, rb_node);
+ struct callchain_list *chain;
+ bool has_children = false;
+
+ list_for_each_entry(chain, &child->val, list) {
+ ++n;
+ map_symbol__set_folding(&chain->ms, unfold);
+ has_children = chain->ms.has_children;
+ }
+
+ if (has_children)
+ n += callchain_node__set_folding_rb_tree(child, unfold);
+ }
+
+ return n;
+}
+
+static int callchain_node__set_folding(struct callchain_node *node, bool unfold)
+{
+ struct callchain_list *chain;
+ bool has_children = false;
+ int n = 0;
+
+ list_for_each_entry(chain, &node->val, list) {
+ ++n;
+ map_symbol__set_folding(&chain->ms, unfold);
+ has_children = chain->ms.has_children;
+ }
+
+ if (has_children)
+ n += callchain_node__set_folding_rb_tree(node, unfold);
+
+ return n;
+}
+
+static int callchain__set_folding(struct rb_root *chain, bool unfold)
+{
+ struct rb_node *nd;
+ int n = 0;
+
+ for (nd = rb_first(chain); nd; nd = rb_next(nd)) {
+ struct callchain_node *node = rb_entry(nd, struct callchain_node, rb_node);
+ n += callchain_node__set_folding(node, unfold);
+ }
+
+ return n;
+}
+
+static void hist_entry__set_folding(struct hist_entry *self, bool unfold)
+{
+ hist_entry__init_have_children(self);
+ map_symbol__set_folding(&self->ms, unfold);
+
+ if (self->ms.has_children) {
+ int n = callchain__set_folding(&self->sorted_chain, unfold);
+ self->nr_rows = unfold ? n : 0;
+ } else
+ self->nr_rows = 0;
+}
+
+static void hists__set_folding(struct hists *self, bool unfold)
+{
+ struct rb_node *nd;
+
+ self->nr_entries = 0;
+
+ for (nd = rb_first(&self->entries); nd; nd = rb_next(nd)) {
+ struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node);
+ hist_entry__set_folding(he, unfold);
+ self->nr_entries += 1 + he->nr_rows;
+ }
+}
+
+static void hist_browser__set_folding(struct hist_browser *self, bool unfold)
+{
+ hists__set_folding(self->hists, unfold);
+ self->b.nr_entries = self->hists->nr_entries;
+ /* Go to the start, we may be way after valid entries after a collapse */
+ ui_browser__reset_index(&self->b);
+}
+
static int hist_browser__run(struct hist_browser *self, const char *title)
{
int key;
- int exit_keys[] = { 'a', '?', 'h', 'd', 'D', 't', NEWT_KEY_ENTER,
- NEWT_KEY_RIGHT, NEWT_KEY_LEFT, 0, };
+ int exit_keys[] = { 'a', '?', 'h', 'C', 'd', 'D', 'E', 't',
+ NEWT_KEY_ENTER, NEWT_KEY_RIGHT, NEWT_KEY_LEFT, 0, };
char str[256], unit;
unsigned long nr_events = self->hists->stats.nr_events[PERF_RECORD_SAMPLE];
@@ -237,7 +329,15 @@ static int hist_browser__run(struct hist_browser *self, const char *title)
self->b.top_idx,
h->row_offset, h->nr_rows);
}
- continue;
+ break;
+ case 'C':
+ /* Collapse the whole world. */
+ hist_browser__set_folding(self, false);
+ break;
+ case 'E':
+ /* Expand the whole world. */
+ hist_browser__set_folding(self, true);
+ break;
case NEWT_KEY_ENTER:
if (hist_browser__toggle_fold(self))
break;
@@ -734,8 +834,6 @@ int hists__browse(struct hists *self, const char *helpline, const char *ev_name)
dso = browser->selection->map ? browser->selection->map->dso : NULL;
switch (key) {
- case NEWT_KEY_F1:
- goto do_help;
case NEWT_KEY_TAB:
case NEWT_KEY_UNTAB:
/*
@@ -752,13 +850,15 @@ int hists__browse(struct hists *self, const char *helpline, const char *ev_name)
goto zoom_dso;
case 't':
goto zoom_thread;
+ case NEWT_KEY_F1:
case 'h':
case '?':
-do_help:
ui__help_window("-> Zoom into DSO/Threads & Annotate current symbol\n"
"<- Zoom out\n"
"a Annotate current symbol\n"
"h/?/F1 Show this window\n"
+ "C Collapse all callchains\n"
+ "E Expand all callchains\n"
"d Zoom into current DSO\n"
"t Zoom into current Thread\n"
"q/CTRL+C Exit browser");