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
16struct 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
26struct 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
34struct branch_entry {
35	u64			from;
36	u64			to;
37	struct branch_flags	flags;
38};
39
40struct branch_stack {
41	u64			nr;
42	struct branch_entry	entries[0];
43};
44
45struct 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
54void branch_type_count(struct branch_type_stat *st, struct branch_flags *flags,
55		       u64 from, u64 to);
56
57const char *branch_type_name(int type);
58void branch_type_stat_display(FILE *fp, struct branch_type_stat *st);
59int branch_type_str(struct branch_type_stat *st, char *bf, int bfsize);
60
61#endif /* _PERF_BRANCH_H */