summaryrefslogtreecommitdiff
path: root/tools/perf/util/callchain.c
diff options
context:
space:
mode:
authorIngo Molnar <mingo@elte.hu>2010-07-21 21:43:03 +0200
committerIngo Molnar <mingo@elte.hu>2010-07-21 21:43:06 +0200
commit9dcdbf7a33d9018ac5d45debcf261be648bdd56a (patch)
treebbcc1a018f11ff76cd7ce174ef3ffe2c02da07ee /tools/perf/util/callchain.c
parentcc5edb0eb9ce892b530e34a5d110382483587942 (diff)
parentcd5b8f8755a89a57fc8c408d284b8b613f090345 (diff)
Merge branch 'linus' into perf/core
Merge reason: Pick up the latest perf fixes. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'tools/perf/util/callchain.c')
-rw-r--r--tools/perf/util/callchain.c35
1 files changed, 18 insertions, 17 deletions
diff --git a/tools/perf/util/callchain.c b/tools/perf/util/callchain.c
index e63c997d6c1b..f231f43424d2 100644
--- a/tools/perf/util/callchain.c
+++ b/tools/perf/util/callchain.c
@@ -230,7 +230,7 @@ fill_node(struct callchain_node *node, struct resolved_chain *chain, int start)
static void
add_child(struct callchain_node *parent, struct resolved_chain *chain,
- int start)
+ int start, u64 period)
{
struct callchain_node *new;
@@ -238,7 +238,7 @@ add_child(struct callchain_node *parent, struct resolved_chain *chain,
fill_node(new, chain, start);
new->children_hit = 0;
- new->hit = 1;
+ new->hit = period;
}
/*
@@ -248,7 +248,8 @@ add_child(struct callchain_node *parent, struct resolved_chain *chain,
*/
static void
split_add_child(struct callchain_node *parent, struct resolved_chain *chain,
- struct callchain_list *to_split, int idx_parents, int idx_local)
+ struct callchain_list *to_split, int idx_parents, int idx_local,
+ u64 period)
{
struct callchain_node *new;
struct list_head *old_tail;
@@ -275,41 +276,41 @@ split_add_child(struct callchain_node *parent, struct resolved_chain *chain,
/* create a new child for the new branch if any */
if (idx_total < chain->nr) {
parent->hit = 0;
- add_child(parent, chain, idx_total);
- parent->children_hit++;
+ add_child(parent, chain, idx_total, period);
+ parent->children_hit += period;
} else {
- parent->hit = 1;
+ parent->hit = period;
}
}
static int
__append_chain(struct callchain_node *root, struct resolved_chain *chain,
- unsigned int start);
+ unsigned int start, u64 period);
static void
__append_chain_children(struct callchain_node *root,
struct resolved_chain *chain,
- unsigned int start)
+ unsigned int start, u64 period)
{
struct callchain_node *rnode;
/* lookup in childrens */
chain_for_each_child(rnode, root) {
- unsigned int ret = __append_chain(rnode, chain, start);
+ unsigned int ret = __append_chain(rnode, chain, start, period);
if (!ret)
goto inc_children_hit;
}
/* nothing in children, add to the current node */
- add_child(root, chain, start);
+ add_child(root, chain, start, period);
inc_children_hit:
- root->children_hit++;
+ root->children_hit += period;
}
static int
__append_chain(struct callchain_node *root, struct resolved_chain *chain,
- unsigned int start)
+ unsigned int start, u64 period)
{
struct callchain_list *cnode;
unsigned int i = start;
@@ -345,18 +346,18 @@ __append_chain(struct callchain_node *root, struct resolved_chain *chain,
/* we match only a part of the node. Split it and add the new chain */
if (i - start < root->val_nr) {
- split_add_child(root, chain, cnode, start, i - start);
+ split_add_child(root, chain, cnode, start, i - start, period);
return 0;
}
/* we match 100% of the path, increment the hit */
if (i - start == root->val_nr && i == chain->nr) {
- root->hit++;
+ root->hit += period;
return 0;
}
/* We match the node and still have a part remaining */
- __append_chain_children(root, chain, i);
+ __append_chain_children(root, chain, i, period);
return 0;
}
@@ -380,7 +381,7 @@ static void filter_context(struct ip_callchain *old, struct resolved_chain *new,
int append_chain(struct callchain_node *root, struct ip_callchain *chain,
- struct map_symbol *syms)
+ struct map_symbol *syms, u64 period)
{
struct resolved_chain *filtered;
@@ -397,7 +398,7 @@ int append_chain(struct callchain_node *root, struct ip_callchain *chain,
if (!filtered->nr)
goto end;
- __append_chain_children(root, filtered, 0);
+ __append_chain_children(root, filtered, 0, period);
end:
free(filtered);