| 1 |
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| 2 | #ifndef __PERF_BLOCK_RANGE_H
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| 3 | #define __PERF_BLOCK_RANGE_H
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| 4 |
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| 5 | #include <stdbool.h>
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| 6 | #include <linux/rbtree.h>
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| 7 | #include <linux/types.h>
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| 8 |
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| 9 | struct symbol;
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| 10 |
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| 11 | |
| 12 | * struct block_range - non-overlapping parts of basic blocks
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| 13 | * @node: treenode
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| 14 | * @start: inclusive start of range
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| 15 | * @end: inclusive end of range
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| 16 | * @is_target: @start is a jump target
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| 17 | * @is_branch: @end is a branch instruction
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| 18 | * @coverage: number of blocks that cover this range
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| 19 | * @taken: number of times the branch is taken (requires @is_branch)
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| 20 | * @pred: number of times the taken branch was predicted
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| 21 |
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| 22 | struct block_range {
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| 23 | struct rb_node node;
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| 24 |
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| 25 | struct symbol *sym;
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| 26 |
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| 27 | u64 start;
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| 28 | u64 end;
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| 29 |
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| 30 | int is_target, is_branch;
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| 31 |
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| 32 | u64 coverage;
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| 33 | u64 entry;
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| 34 | u64 taken;
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| 35 | u64 pred;
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| 36 | };
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| 37 |
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| 38 | static inline struct block_range *block_range__next(struct block_range *br)
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| 39 | {
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| 40 | struct rb_node *n = rb_next(&br->node);
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| 41 | if (!n)
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| 42 | return NULL;
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| 43 | return rb_entry(n, struct block_range, node);
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| 44 | }
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| 45 |
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| 46 | struct block_range_iter {
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| 47 | struct block_range *start;
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| 48 | struct block_range *end;
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| 49 | };
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| 50 |
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| 51 | static inline struct block_range *block_range_iter(struct block_range_iter *iter)
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| 52 | {
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| 53 | return iter->start;
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| 54 | }
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| 55 |
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| 56 | static inline bool block_range_iter__next(struct block_range_iter *iter)
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| 57 | {
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| 58 | if (iter->start == iter->end)
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| 59 | return false;
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| 60 |
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| 61 | iter->start = block_range__next(iter->start);
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| 62 | return true;
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| 63 | }
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| 64 |
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| 65 | static inline bool block_range_iter__valid(struct block_range_iter *iter)
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| 66 | {
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| 67 | if (!iter->start || !iter->end)
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| 68 | return false;
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| 69 | return true;
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| 70 | }
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| 71 |
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| 72 | extern struct block_range *block_range__find(u64 addr);
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| 73 | extern struct block_range_iter block_range__create(u64 start, u64 end);
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| 74 | extern double block_range__coverage(struct block_range *br);
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| 75 |
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| 76 | #endif
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