77 lines
1.7 KiB
C
77 lines
1.7 KiB
C
|
/* SPDX-License-Identifier: GPL-2.0 */
|
||
|
|
#ifndef __PERF_BLOCK_RANGE_H
|
||
|
|
#define __PERF_BLOCK_RANGE_H
|
||
|
|
|
||
|
|
#include <stdbool.h>
|
||
|
|
#include <linux/rbtree.h>
|
||
|
|
#include <linux/types.h>
|
||
|
|
|
||
|
|
struct symbol;
|
||
|
|
|
||
|
|
/*
|
||
|
|
* struct block_range - non-overlapping parts of basic blocks
|
||
|
|
* @node: treenode
|
||
|
|
* @start: inclusive start of range
|
||
|
|
* @end: inclusive end of range
|
||
|
|
* @is_target: @start is a jump target
|
||
|
|
* @is_branch: @end is a branch instruction
|
||
|
|
* @coverage: number of blocks that cover this range
|
||
|
|
* @taken: number of times the branch is taken (requires @is_branch)
|
||
|
|
* @pred: number of times the taken branch was predicted
|
||
|
|
*/
|
||
|
|
struct block_range {
|
||
|
|
struct rb_node node;
|
||
|
|
|
||
|
|
struct symbol *sym;
|
||
|
|
|
||
|
|
u64 start;
|
||
|
|
u64 end;
|
||
|
|
|
||
|
|
int is_target, is_branch;
|
||
|
|
|
||
|
|
u64 coverage;
|
||
|
|
u64 entry;
|
||
|
|
u64 taken;
|
||
|
|
u64 pred;
|
||
|
|
};
|
||
|
|
|
||
|
|
static inline struct block_range *block_range__next(struct block_range *br)
|
||
|
|
{
|
||
|
|
struct rb_node *n = rb_next(&br->node);
|
||
|
|
if (!n)
|
||
|
|
return NULL;
|
||
|
|
return rb_entry(n, struct block_range, node);
|
||
|
|
}
|
||
|
|
|
||
|
|
struct block_range_iter {
|
||
|
|
struct block_range *start;
|
||
|
|
struct block_range *end;
|
||
|
|
};
|
||
|
|
|
||
|
|
static inline struct block_range *block_range_iter(struct block_range_iter *iter)
|
||
|
|
{
|
||
|
|
return iter->start;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline bool block_range_iter__next(struct block_range_iter *iter)
|
||
|
|
{
|
||
|
|
if (iter->start == iter->end)
|
||
|
|
return false;
|
||
|
|
|
||
|
|
iter->start = block_range__next(iter->start);
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline bool block_range_iter__valid(struct block_range_iter *iter)
|
||
|
|
{
|
||
|
|
if (!iter->start || !iter->end)
|
||
|
|
return false;
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
extern struct block_range *block_range__find(u64 addr);
|
||
|
|
extern struct block_range_iter block_range__create(u64 start, u64 end);
|
||
|
|
extern double block_range__coverage(struct block_range *br);
|
||
|
|
|
||
|
|
#endif /* __PERF_BLOCK_RANGE_H */
|