Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
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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 disasm_line {
54 struct list_head node;
55 s64 offset;
56 char *line;
57 char *name;
58 struct ins *ins;
59 struct ins_operands ops;
60};
61
62static inline bool disasm_line__has_offset(const struct disasm_line *dl)
63{
64 return dl->ops.target.offset != UINT64_MAX;
65}
66
67void disasm_line__free(struct disasm_line *dl);
68struct disasm_line *disasm__get_next_ip_line(struct list_head *head, struct disasm_line *pos);
69int disasm_line__scnprintf(struct disasm_line *dl, char *bf, size_t size, bool raw);
70size_t disasm__fprintf(struct list_head *head, FILE *fp);
71
72struct sym_hist {
73 u64 sum;
74 u64 addr[0];
75};
76
77struct source_line {
78 struct rb_node node;
79 double percent;
80 double percent_sum;
81 char *path;
82};
83
84/** struct annotated_source - symbols with hits have this attached as in sannotation
85 *
86 * @histogram: Array of addr hit histograms per event being monitored
87 * @lines: If 'print_lines' is specified, per source code line percentages
88 * @source: source parsed from a disassembler like objdump -dS
89 *
90 * lines is allocated, percentages calculated and all sorted by percentage
91 * when the annotation is about to be presented, so the percentages are for
92 * one of the entries in the histogram array, i.e. for the event/counter being
93 * presented. It is deallocated right after symbol__{tui,tty,etc}_annotate
94 * returns.
95 */
96struct annotated_source {
97 struct list_head source;
98 struct source_line *lines;
99 int nr_histograms;
100 int sizeof_sym_hist;
101 struct sym_hist histograms[0];
102};
103
104struct annotation {
105 pthread_mutex_t lock;
106 struct annotated_source *src;
107};
108
109struct sannotation {
110 struct annotation annotation;
111 struct symbol symbol;
112};
113
114static inline struct sym_hist *annotation__histogram(struct annotation *notes, int idx)
115{
116 return (((void *)¬es->src->histograms) +
117 (notes->src->sizeof_sym_hist * idx));
118}
119
120static inline struct annotation *symbol__annotation(struct symbol *sym)
121{
122 struct sannotation *a = container_of(sym, struct sannotation, symbol);
123 return &a->annotation;
124}
125
126int symbol__inc_addr_samples(struct symbol *sym, struct map *map,
127 int evidx, u64 addr);
128int symbol__alloc_hist(struct symbol *sym);
129void symbol__annotate_zero_histograms(struct symbol *sym);
130
131int symbol__annotate(struct symbol *sym, struct map *map, size_t privsize);
132int symbol__annotate_init(struct map *map __maybe_unused, struct symbol *sym);
133int symbol__annotate_printf(struct symbol *sym, struct map *map, int evidx,
134 bool full_paths, int min_pcnt, int max_lines,
135 int context);
136void symbol__annotate_zero_histogram(struct symbol *sym, int evidx);
137void symbol__annotate_decay_histogram(struct symbol *sym, int evidx);
138void disasm__purge(struct list_head *head);
139
140int symbol__tty_annotate(struct symbol *sym, struct map *map, int evidx,
141 bool print_lines, bool full_paths, int min_pcnt,
142 int max_lines);
143
144#ifdef NEWT_SUPPORT
145int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx,
146 struct hist_browser_timer *hbt);
147#else
148static inline int symbol__tui_annotate(struct symbol *sym __maybe_unused,
149 struct map *map __maybe_unused,
150 int evidx __maybe_unused,
151 struct hist_browser_timer *hbt
152 __maybe_unused)
153{
154 return 0;
155}
156#endif
157
158#ifdef GTK2_SUPPORT
159int symbol__gtk_annotate(struct symbol *sym, struct map *map, int evidx,
160 struct hist_browser_timer *hbt);
161
162static inline int hist_entry__gtk_annotate(struct hist_entry *he, int evidx,
163 struct hist_browser_timer *hbt)
164{
165 return symbol__gtk_annotate(he->ms.sym, he->ms.map, evidx, hbt);
166}
167
168void perf_gtk__show_annotations(void);
169#else
170static inline int hist_entry__gtk_annotate(struct hist_entry *he __maybe_unused,
171 int evidx __maybe_unused,
172 struct hist_browser_timer *hbt
173 __maybe_unused)
174{
175 return 0;
176}
177
178static inline void perf_gtk__show_annotations(void) {}
179#endif
180
181extern const char *disassembler_style;
182
183#endif /* __PERF_ANNOTATE_H */