Linux kernel mirror (for testing)
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1#ifndef __PERF_ANNOTATE_H
2#define __PERF_ANNOTATE_H
3
4#include <stdbool.h>
5#include <stdint.h>
6#include "types.h"
7#include "symbol.h"
8#include <linux/list.h>
9#include <linux/rbtree.h>
10
11struct ins;
12
13struct ins_operands {
14 char *raw;
15 struct {
16 char *raw;
17 char *name;
18 u64 addr;
19 u64 offset;
20 } target;
21 union {
22 struct {
23 char *raw;
24 char *name;
25 u64 addr;
26 } source;
27 struct {
28 struct ins *ins;
29 struct ins_operands *ops;
30 } locked;
31 };
32};
33
34struct ins_ops {
35 void (*free)(struct ins_operands *ops);
36 int (*parse)(struct ins_operands *ops);
37 int (*scnprintf)(struct ins *ins, char *bf, size_t size,
38 struct ins_operands *ops);
39};
40
41struct ins {
42 const char *name;
43 struct ins_ops *ops;
44};
45
46bool ins__is_jump(const struct ins *ins);
47bool ins__is_call(const struct ins *ins);
48int ins__scnprintf(struct ins *ins, char *bf, size_t size, struct ins_operands *ops);
49
50struct disasm_line {
51 struct list_head node;
52 s64 offset;
53 char *line;
54 char *name;
55 struct ins *ins;
56 struct ins_operands ops;
57};
58
59static inline bool disasm_line__has_offset(const struct disasm_line *dl)
60{
61 return dl->ops.target.offset != UINT64_MAX;
62}
63
64void disasm_line__free(struct disasm_line *dl);
65struct disasm_line *disasm__get_next_ip_line(struct list_head *head, struct disasm_line *pos);
66int disasm_line__scnprintf(struct disasm_line *dl, char *bf, size_t size, bool raw);
67size_t disasm__fprintf(struct list_head *head, FILE *fp);
68
69struct sym_hist {
70 u64 sum;
71 u64 addr[0];
72};
73
74struct source_line {
75 struct rb_node node;
76 double percent;
77 char *path;
78};
79
80/** struct annotated_source - symbols with hits have this attached as in sannotation
81 *
82 * @histogram: Array of addr hit histograms per event being monitored
83 * @lines: If 'print_lines' is specified, per source code line percentages
84 * @source: source parsed from a disassembler like objdump -dS
85 *
86 * lines is allocated, percentages calculated and all sorted by percentage
87 * when the annotation is about to be presented, so the percentages are for
88 * one of the entries in the histogram array, i.e. for the event/counter being
89 * presented. It is deallocated right after symbol__{tui,tty,etc}_annotate
90 * returns.
91 */
92struct annotated_source {
93 struct list_head source;
94 struct source_line *lines;
95 int nr_histograms;
96 int sizeof_sym_hist;
97 struct sym_hist histograms[0];
98};
99
100struct annotation {
101 pthread_mutex_t lock;
102 struct annotated_source *src;
103};
104
105struct sannotation {
106 struct annotation annotation;
107 struct symbol symbol;
108};
109
110static inline struct sym_hist *annotation__histogram(struct annotation *notes, int idx)
111{
112 return (((void *)¬es->src->histograms) +
113 (notes->src->sizeof_sym_hist * idx));
114}
115
116static inline struct annotation *symbol__annotation(struct symbol *sym)
117{
118 struct sannotation *a = container_of(sym, struct sannotation, symbol);
119 return &a->annotation;
120}
121
122int symbol__inc_addr_samples(struct symbol *sym, struct map *map,
123 int evidx, u64 addr);
124int symbol__alloc_hist(struct symbol *sym);
125void symbol__annotate_zero_histograms(struct symbol *sym);
126
127int symbol__annotate(struct symbol *sym, struct map *map, size_t privsize);
128int symbol__annotate_init(struct map *map __used, struct symbol *sym);
129int symbol__annotate_printf(struct symbol *sym, struct map *map, int evidx,
130 bool full_paths, int min_pcnt, int max_lines,
131 int context);
132void symbol__annotate_zero_histogram(struct symbol *sym, int evidx);
133void symbol__annotate_decay_histogram(struct symbol *sym, int evidx);
134void disasm__purge(struct list_head *head);
135
136int symbol__tty_annotate(struct symbol *sym, struct map *map, int evidx,
137 bool print_lines, bool full_paths, int min_pcnt,
138 int max_lines);
139
140#ifdef NO_NEWT_SUPPORT
141static inline int symbol__tui_annotate(struct symbol *sym __used,
142 struct map *map __used,
143 int evidx __used,
144 void(*timer)(void *arg) __used,
145 void *arg __used, int delay_secs __used)
146{
147 return 0;
148}
149#else
150int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx,
151 void(*timer)(void *arg), void *arg, int delay_secs);
152#endif
153
154extern const char *disassembler_style;
155
156#endif /* __PERF_ANNOTATE_H */