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