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-rw-r--r--tools/perf/util/callchain.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/tools/perf/util/callchain.c b/tools/perf/util/callchain.c
index 3dceabd9b5ef..3c4a91fea622 100644
--- a/tools/perf/util/callchain.c
+++ b/tools/perf/util/callchain.c
@@ -16,6 +16,9 @@
#include "callchain.h"
+#define chain_for_each_child(child, parent) \
+ list_for_each_entry(child, &parent->children, brothers)
+
static void
rb_insert_callchain(struct rb_root *root, struct callchain_node *chain)
@@ -46,7 +49,7 @@ void sort_chain_to_rbtree(struct rb_root *rb_root, struct callchain_node *node)
{
struct callchain_node *child;
- list_for_each_entry(child, &node->children, brothers)
+ chain_for_each_child(child, node)
sort_chain_to_rbtree(rb_root, child);
if (node->hit)
@@ -77,7 +80,7 @@ create_child(struct callchain_node *parent, bool inherit_children)
list_splice(&parent->children, &new->children);
INIT_LIST_HEAD(&parent->children);
- list_for_each_entry(next, &new->children, brothers)
+ chain_for_each_child(next, new)
next->parent = new;
}
list_add_tail(&new->brothers, &parent->children);
@@ -173,7 +176,7 @@ __append_chain_children(struct callchain_node *root, struct ip_callchain *chain,
struct callchain_node *rnode;
/* lookup in childrens */
- list_for_each_entry(rnode, &root->children, brothers) {
+ chain_for_each_child(rnode, root) {
unsigned int ret = __append_chain(rnode, chain, start, syms);
if (!ret)