aboutsummaryrefslogtreecommitdiffstats
path: root/tools/perf/util/callchain.c
diff options
context:
space:
mode:
Diffstat (limited to 'tools/perf/util/callchain.c')
-rw-r--r--tools/perf/util/callchain.c19
1 files changed, 11 insertions, 8 deletions
diff --git a/tools/perf/util/callchain.c b/tools/perf/util/callchain.c
index a9873aafcd9..c9900fe6b8b 100644
--- a/tools/perf/util/callchain.c
+++ b/tools/perf/util/callchain.c
@@ -57,18 +57,19 @@ rb_insert_callchain(struct rb_root *root, struct callchain_node *chain,
57 * Once we get every callchains from the stream, we can now 57 * Once we get every callchains from the stream, we can now
58 * sort them by hit 58 * sort them by hit
59 */ 59 */
60void sort_chain_flat(struct rb_root *rb_root, struct callchain_node *node) 60void sort_chain_flat(struct rb_root *rb_root, struct callchain_node *node,
61 u64 min_hit)
61{ 62{
62 struct callchain_node *child; 63 struct callchain_node *child;
63 64
64 chain_for_each_child(child, node) 65 chain_for_each_child(child, node)
65 sort_chain_flat(rb_root, child); 66 sort_chain_flat(rb_root, child, min_hit);
66 67
67 if (node->hit) 68 if (node->hit && node->hit >= min_hit)
68 rb_insert_callchain(rb_root, node, FLAT); 69 rb_insert_callchain(rb_root, node, FLAT);
69} 70}
70 71
71static void __sort_chain_graph(struct callchain_node *node) 72static void __sort_chain_graph(struct callchain_node *node, u64 min_hit)
72{ 73{
73 struct callchain_node *child; 74 struct callchain_node *child;
74 75
@@ -76,16 +77,18 @@ static void __sort_chain_graph(struct callchain_node *node)
76 node->cumul_hit = node->hit; 77 node->cumul_hit = node->hit;
77 78
78 chain_for_each_child(child, node) { 79 chain_for_each_child(child, node) {
79 __sort_chain_graph(child); 80 __sort_chain_graph(child, min_hit);
80 rb_insert_callchain(&node->rb_root, child, GRAPH); 81 if (child->cumul_hit >= min_hit)
82 rb_insert_callchain(&node->rb_root, child, GRAPH);
81 node->cumul_hit += child->cumul_hit; 83 node->cumul_hit += child->cumul_hit;
82 } 84 }
83} 85}
84 86
85void 87void
86sort_chain_graph(struct rb_root *rb_root, struct callchain_node *chain_root) 88sort_chain_graph(struct rb_root *rb_root, struct callchain_node *chain_root,
89 u64 min_hit)
87{ 90{
88 __sort_chain_graph(chain_root); 91 __sort_chain_graph(chain_root, min_hit);
89 rb_root->rb_node = chain_root->rb_root.rb_node; 92 rb_root->rb_node = chain_root->rb_root.rb_node;
90} 93}
91 94