Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
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 "hist.h"
9#include "sort.h"
10#include <linux/list.h>
11#include <linux/rbtree.h>
12#include <pthread.h>
13
14struct ins;
15
16struct ins_operands {
17 char *raw;
18 struct {
19 char *raw;
20 char *name;
21 u64 addr;
22 u64 offset;
23 } target;
24 union {
25 struct {
26 char *raw;
27 char *name;
28 u64 addr;
29 } source;
30 struct {
31 struct ins *ins;
32 struct ins_operands *ops;
33 } locked;
34 };
35};
36
37struct ins_ops {
38 void (*free)(struct ins_operands *ops);
39 int (*parse)(struct ins_operands *ops);
40 int (*scnprintf)(struct ins *ins, char *bf, size_t size,
41 struct ins_operands *ops);
42};
43
44struct ins {
45 const char *name;
46 struct ins_ops *ops;
47};
48
49bool ins__is_jump(const struct ins *ins);
50bool ins__is_call(const struct ins *ins);
51int ins__scnprintf(struct ins *ins, char *bf, size_t size, struct ins_operands *ops);
52
53struct annotation;
54
55struct disasm_line {
56 struct list_head node;
57 s64 offset;
58 char *line;
59 char *name;
60 struct ins *ins;
61 struct ins_operands ops;
62};
63
64static inline bool disasm_line__has_offset(const struct disasm_line *dl)
65{
66 return dl->ops.target.offset != UINT64_MAX;
67}
68
69void disasm_line__free(struct disasm_line *dl);
70struct disasm_line *disasm__get_next_ip_line(struct list_head *head, struct disasm_line *pos);
71int disasm_line__scnprintf(struct disasm_line *dl, char *bf, size_t size, bool raw);
72size_t disasm__fprintf(struct list_head *head, FILE *fp);
73double disasm__calc_percent(struct annotation *notes, int evidx, s64 offset,
74 s64 end, const char **path);
75
76struct sym_hist {
77 u64 sum;
78 u64 addr[0];
79};
80
81struct source_line_percent {
82 double percent;
83 double percent_sum;
84};
85
86struct source_line {
87 struct rb_node node;
88 char *path;
89 int nr_pcnt;
90 struct source_line_percent p[1];
91};
92
93/** struct annotated_source - symbols with hits have this attached as in sannotation
94 *
95 * @histogram: Array of addr hit histograms per event being monitored
96 * @lines: If 'print_lines' is specified, per source code line percentages
97 * @source: source parsed from a disassembler like objdump -dS
98 *
99 * lines is allocated, percentages calculated and all sorted by percentage
100 * when the annotation is about to be presented, so the percentages are for
101 * one of the entries in the histogram array, i.e. for the event/counter being
102 * presented. It is deallocated right after symbol__{tui,tty,etc}_annotate
103 * returns.
104 */
105struct annotated_source {
106 struct list_head source;
107 struct source_line *lines;
108 int nr_histograms;
109 int sizeof_sym_hist;
110 struct sym_hist histograms[0];
111};
112
113struct annotation {
114 pthread_mutex_t lock;
115 struct annotated_source *src;
116};
117
118struct sannotation {
119 struct annotation annotation;
120 struct symbol symbol;
121};
122
123static inline struct sym_hist *annotation__histogram(struct annotation *notes, int idx)
124{
125 return (((void *)¬es->src->histograms) +
126 (notes->src->sizeof_sym_hist * idx));
127}
128
129static inline struct annotation *symbol__annotation(struct symbol *sym)
130{
131 struct sannotation *a = container_of(sym, struct sannotation, symbol);
132 return &a->annotation;
133}
134
135int symbol__inc_addr_samples(struct symbol *sym, struct map *map,
136 int evidx, u64 addr);
137int symbol__alloc_hist(struct symbol *sym);
138void symbol__annotate_zero_histograms(struct symbol *sym);
139
140int symbol__annotate(struct symbol *sym, struct map *map, size_t privsize);
141int symbol__annotate_init(struct map *map __maybe_unused, struct symbol *sym);
142int symbol__annotate_printf(struct symbol *sym, struct map *map,
143 struct perf_evsel *evsel, bool full_paths,
144 int min_pcnt, int max_lines, int context);
145void symbol__annotate_zero_histogram(struct symbol *sym, int evidx);
146void symbol__annotate_decay_histogram(struct symbol *sym, int evidx);
147void disasm__purge(struct list_head *head);
148
149int symbol__tty_annotate(struct symbol *sym, struct map *map,
150 struct perf_evsel *evsel, bool print_lines,
151 bool full_paths, int min_pcnt, int max_lines);
152
153#ifdef HAVE_SLANG_SUPPORT
154int symbol__tui_annotate(struct symbol *sym, struct map *map,
155 struct perf_evsel *evsel,
156 struct hist_browser_timer *hbt);
157#else
158static inline int symbol__tui_annotate(struct symbol *sym __maybe_unused,
159 struct map *map __maybe_unused,
160 struct perf_evsel *evsel __maybe_unused,
161 struct hist_browser_timer *hbt
162 __maybe_unused)
163{
164 return 0;
165}
166#endif
167
168extern const char *disassembler_style;
169
170#endif /* __PERF_ANNOTATE_H */