66e274f3b8
Factorize the dso mapping helpers into a single purpose common file "util/map.c" Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Mike Galbraith <efault@gmx.de> Cc: Brice Goglin <Brice.Goglin@inria.fr>
61 lines
1.3 KiB
C
61 lines
1.3 KiB
C
#ifndef __PERF_CALLCHAIN_H
|
|
#define __PERF_CALLCHAIN_H
|
|
|
|
#include "../perf.h"
|
|
#include <linux/list.h>
|
|
#include <linux/rbtree.h>
|
|
#include "util.h"
|
|
#include "symbol.h"
|
|
|
|
enum chain_mode {
|
|
CHAIN_NONE,
|
|
CHAIN_FLAT,
|
|
CHAIN_GRAPH_ABS,
|
|
CHAIN_GRAPH_REL
|
|
};
|
|
|
|
struct callchain_node {
|
|
struct callchain_node *parent;
|
|
struct list_head brothers;
|
|
struct list_head children;
|
|
struct list_head val;
|
|
struct rb_node rb_node; /* to sort nodes in an rbtree */
|
|
struct rb_root rb_root; /* sorted tree of children */
|
|
unsigned int val_nr;
|
|
u64 hit;
|
|
u64 children_hit;
|
|
};
|
|
|
|
struct callchain_param;
|
|
|
|
typedef void (*sort_chain_func_t)(struct rb_root *, struct callchain_node *,
|
|
u64, struct callchain_param *);
|
|
|
|
struct callchain_param {
|
|
enum chain_mode mode;
|
|
double min_percent;
|
|
sort_chain_func_t sort;
|
|
};
|
|
|
|
struct callchain_list {
|
|
u64 ip;
|
|
struct symbol *sym;
|
|
struct list_head list;
|
|
};
|
|
|
|
static inline void callchain_init(struct callchain_node *node)
|
|
{
|
|
INIT_LIST_HEAD(&node->brothers);
|
|
INIT_LIST_HEAD(&node->children);
|
|
INIT_LIST_HEAD(&node->val);
|
|
}
|
|
|
|
static inline u64 cumul_hits(struct callchain_node *node)
|
|
{
|
|
return node->hit + node->children_hit;
|
|
}
|
|
|
|
int register_callchain_param(struct callchain_param *param);
|
|
void append_chain(struct callchain_node *root, struct ip_callchain *chain,
|
|
struct symbol **syms);
|
|
#endif
|