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 <linux/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 int line_nr;
62 struct ins_operands ops;
63};
64
65static inline bool disasm_line__has_offset(const struct disasm_line *dl)
66{
67 return dl->ops.target.offset != UINT64_MAX;
68}
69
70void disasm_line__free(struct disasm_line *dl);
71struct disasm_line *disasm__get_next_ip_line(struct list_head *head, struct disasm_line *pos);
72int disasm_line__scnprintf(struct disasm_line *dl, char *bf, size_t size, bool raw);
73size_t disasm__fprintf(struct list_head *head, FILE *fp);
74double disasm__calc_percent(struct annotation *notes, int evidx, s64 offset,
75 s64 end, const char **path, u64 *nr_samples);
76
77struct sym_hist {
78 u64 sum;
79 u64 addr[0];
80};
81
82struct source_line_samples {
83 double percent;
84 double percent_sum;
85 double nr;
86};
87
88struct source_line {
89 struct rb_node node;
90 char *path;
91 int nr_pcnt;
92 struct source_line_samples samples[1];
93};
94
95/** struct annotated_source - symbols with hits have this attached as in sannotation
96 *
97 * @histogram: Array of addr hit histograms per event being monitored
98 * @lines: If 'print_lines' is specified, per source code line percentages
99 * @source: source parsed from a disassembler like objdump -dS
100 *
101 * lines is allocated, percentages calculated and all sorted by percentage
102 * when the annotation is about to be presented, so the percentages are for
103 * one of the entries in the histogram array, i.e. for the event/counter being
104 * presented. It is deallocated right after symbol__{tui,tty,etc}_annotate
105 * returns.
106 */
107struct annotated_source {
108 struct list_head source;
109 struct source_line *lines;
110 int nr_histograms;
111 int sizeof_sym_hist;
112 struct sym_hist histograms[0];
113};
114
115struct annotation {
116 pthread_mutex_t lock;
117 struct annotated_source *src;
118};
119
120static inline struct sym_hist *annotation__histogram(struct annotation *notes, int idx)
121{
122 return (((void *)¬es->src->histograms) +
123 (notes->src->sizeof_sym_hist * idx));
124}
125
126static inline struct annotation *symbol__annotation(struct symbol *sym)
127{
128 return (void *)sym - symbol_conf.priv_size;
129}
130
131int addr_map_symbol__inc_samples(struct addr_map_symbol *ams, int evidx);
132
133int hist_entry__inc_addr_samples(struct hist_entry *he, int evidx, u64 addr);
134
135int symbol__alloc_hist(struct symbol *sym);
136void symbol__annotate_zero_histograms(struct symbol *sym);
137
138int symbol__annotate(struct symbol *sym, struct map *map, size_t privsize);
139
140int hist_entry__annotate(struct hist_entry *he, size_t privsize);
141
142int symbol__annotate_init(struct map *map __maybe_unused, struct symbol *sym);
143int symbol__annotate_printf(struct symbol *sym, struct map *map,
144 struct perf_evsel *evsel, bool full_paths,
145 int min_pcnt, int max_lines, int context);
146void symbol__annotate_zero_histogram(struct symbol *sym, int evidx);
147void symbol__annotate_decay_histogram(struct symbol *sym, int evidx);
148void disasm__purge(struct list_head *head);
149
150bool ui__has_annotation(void);
151
152int symbol__tty_annotate(struct symbol *sym, struct map *map,
153 struct perf_evsel *evsel, bool print_lines,
154 bool full_paths, int min_pcnt, int max_lines);
155
156#ifdef HAVE_SLANG_SUPPORT
157int symbol__tui_annotate(struct symbol *sym, struct map *map,
158 struct perf_evsel *evsel,
159 struct hist_browser_timer *hbt);
160#else
161static inline int symbol__tui_annotate(struct symbol *sym __maybe_unused,
162 struct map *map __maybe_unused,
163 struct perf_evsel *evsel __maybe_unused,
164 struct hist_browser_timer *hbt
165 __maybe_unused)
166{
167 return 0;
168}
169#endif
170
171extern const char *disassembler_style;
172
173#endif /* __PERF_ANNOTATE_H */