1 #ifndef _PERF_BRANCH_H 2 #define _PERF_BRANCH_H 1 3 /* 4 * The linux/stddef.h isn't need here, but is needed for __always_inline used 5 * in files included from uapi/linux/perf_event.h such as 6 * /usr/include/linux/swab.h and /usr/include/linux/byteorder/little_endian.h, 7 * detected in at least musl libc, used in Alpine Linux. -acme 8 */ 9 #include <stdio.h> 10 #include <stdint.h> 11 #include <linux/compiler.h> 12 #include <linux/stddef.h> 13 #include <linux/perf_event.h> 14 #include <linux/types.h> 15 16 struct branch_flags { 17 u64 mispred:1; 18 u64 predicted:1; 19 u64 in_tx:1; 20 u64 abort:1; 21 u64 cycles:16; 22 u64 type:4; 23 u64 reserved:40; 24 }; 25 26 struct branch_info { 27 struct addr_map_symbol from; 28 struct addr_map_symbol to; 29 struct branch_flags flags; 30 char *srcline_from; 31 char *srcline_to; 32 }; 33 34 struct branch_entry { 35 u64 from; 36 u64 to; 37 struct branch_flags flags; 38 }; 39 40 struct branch_stack { 41 u64 nr; 42 struct branch_entry entries[0]; 43 }; 44 45 struct branch_type_stat { 46 bool branch_to; 47 u64 counts[PERF_BR_MAX]; 48 u64 cond_fwd; 49 u64 cond_bwd; 50 u64 cross_4k; 51 u64 cross_2m; 52 }; 53 54 void branch_type_count(struct branch_type_stat *st, struct branch_flags *flags, 55 u64 from, u64 to); 56 57 const char *branch_type_name(int type); 58 void branch_type_stat_display(FILE *fp, struct branch_type_stat *st); 59 int branch_type_str(struct branch_type_stat *st, char *bf, int bfsize); 60 61 #endif /* _PERF_BRANCH_H */ 62