perf hists browser: Init the has_children fields just once
Not everytime we show the callchains, removing duplicated initialization
of this field.
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/util/ui/browsers/hists.c b/tools/perf/util/ui/browsers/hists.c
index e61355e..c17611f 100644
--- a/tools/perf/util/ui/browsers/hists.c
+++ b/tools/perf/util/ui/browsers/hists.c
@@ -298,15 +298,10 @@
int color;
bool was_first = first;
- if (first) {
+ if (first)
first = false;
- chain->ms.has_children = chain->list.next != &child->val ||
- !RB_EMPTY_ROOT(&child->rb_root);
- } else {
+ else
extra_offset = LEVEL_OFFSET_STEP;
- chain->ms.has_children = chain->list.next == &child->val &&
- !RB_EMPTY_ROOT(&child->rb_root);
- }
folded_sign = callchain_list__folded(chain);
if (*row_offset != 0) {
@@ -376,12 +371,7 @@
list_for_each_entry(chain, &node->val, list) {
char ipstr[BITS_PER_LONG / 4 + 1], *s;
int color;
- /*
- * FIXME: This should be moved to somewhere else,
- * probably when the callchain is created, so as not to
- * traverse it all over again
- */
- chain->ms.has_children = !RB_EMPTY_ROOT(&node->rb_root);
+
folded_sign = callchain_list__folded(chain);
if (*row_offset != 0) {
@@ -457,7 +447,7 @@
}
if (symbol_conf.use_callchain) {
- entry->ms.has_children = !RB_EMPTY_ROOT(&entry->sorted_chain);
+ hist_entry__init_have_children(entry);
folded_sign = hist_entry__folded(entry);
}