projects / thirdparty / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 70fbe057 PZ |
2 | #ifndef __PERF_BLOCK_RANGE_H |
| 3 | #define __PERF_BLOCK_RANGE_H | |
| 4 | ||
| 5 | #include "symbol.h" | |
| 6 | ||
| 7 | /* | |
| 8 | * struct block_range - non-overlapping parts of basic blocks | |
| 9 | * @node: treenode | |
| 10 | * @start: inclusive start of range | |
| 11 | * @end: inclusive end of range | |
| 12 | * @is_target: @start is a jump target | |
| 13 | * @is_branch: @end is a branch instruction | |
| 14 | * @coverage: number of blocks that cover this range | |
| 15 | * @taken: number of times the branch is taken (requires @is_branch) | |
| 16 | * @pred: number of times the taken branch was predicted | |
| 17 | */ | |
| 18 | struct block_range { | |
| 19 | struct rb_node node; | |
| 20 | ||
| 21 | struct symbol *sym; | |
| 22 | ||
| 23 | u64 start; | |
| 24 | u64 end; | |
| 25 | ||
| 26 | int is_target, is_branch; | |
| 27 | ||
| 28 | u64 coverage; | |
| 29 | u64 entry; | |
| 30 | u64 taken; | |
| 31 | u64 pred; | |
| 32 | }; | |
| 33 | ||
| 34 | static inline struct block_range *block_range__next(struct block_range *br) | |
| 35 | { | |
| 36 | struct rb_node *n = rb_next(&br->node); | |
| 37 | if (!n) | |
| 38 | return NULL; | |
| 39 | return rb_entry(n, struct block_range, node); | |
| 40 | } | |
| 41 | ||
| 42 | struct block_range_iter { | |
| 43 | struct block_range *start; | |
| 44 | struct block_range *end; | |
| 45 | }; | |
| 46 | ||
| 47 | static inline struct block_range *block_range_iter(struct block_range_iter *iter) | |
| 48 | { | |
| 49 | return iter->start; | |
| 50 | } | |
| 51 | ||
| 52 | static inline bool block_range_iter__next(struct block_range_iter *iter) | |
| 53 | { | |
| 54 | if (iter->start == iter->end) | |
| 55 | return false; | |
| 56 | ||
| 57 | iter->start = block_range__next(iter->start); | |
| 58 | return true; | |
| 59 | } | |
| 60 | ||
| 61 | static inline bool block_range_iter__valid(struct block_range_iter *iter) | |
| 62 | { | |
| 63 | if (!iter->start || !iter->end) | |
| 64 | return false; | |
| 65 | return true; | |
| 66 | } | |
| 67 | ||
| 68 | extern struct block_range *block_range__find(u64 addr); | |
| 69 | extern struct block_range_iter block_range__create(u64 start, u64 end); | |
| 70 | extern double block_range__coverage(struct block_range *br); | |
| 71 | ||
| 72 | #endif /* __PERF_BLOCK_RANGE_H */ |