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: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 293db47f
......@@ -298,15 +298,10 @@ static int hist_browser__show_callchain_node_rb_tree(struct hist_browser *self,
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 @@ static int hist_browser__show_callchain_node(struct hist_browser *self,
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 @@ static int hist_browser__show_entry(struct hist_browser *self,
}
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);
}
......
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