Linux kernel mirror (for testing)
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linux
1#ifndef __PERF_ANNOTATE_H
2#define __PERF_ANNOTATE_H
3
4#include <stdbool.h>
5#include "types.h"
6#include "symbol.h"
7#include <linux/list.h>
8#include <linux/rbtree.h>
9
10struct objdump_line {
11 struct list_head node;
12 s64 offset;
13 char *line;
14};
15
16void objdump_line__free(struct objdump_line *self);
17struct objdump_line *objdump__get_next_ip_line(struct list_head *head,
18 struct objdump_line *pos);
19
20struct sym_hist {
21 u64 sum;
22 u64 addr[0];
23};
24
25struct source_line {
26 struct rb_node node;
27 double percent;
28 char *path;
29};
30
31/** struct annotated_source - symbols with hits have this attached as in sannotation
32 *
33 * @histogram: Array of addr hit histograms per event being monitored
34 * @lines: If 'print_lines' is specified, per source code line percentages
35 * @source: source parsed from objdump -dS
36 *
37 * lines is allocated, percentages calculated and all sorted by percentage
38 * when the annotation is about to be presented, so the percentages are for
39 * one of the entries in the histogram array, i.e. for the event/counter being
40 * presented. It is deallocated right after symbol__{tui,tty,etc}_annotate
41 * returns.
42 */
43struct annotated_source {
44 struct list_head source;
45 struct source_line *lines;
46 int nr_histograms;
47 int sizeof_sym_hist;
48 struct sym_hist histograms[0];
49};
50
51struct annotation {
52 pthread_mutex_t lock;
53 struct annotated_source *src;
54};
55
56struct sannotation {
57 struct annotation annotation;
58 struct symbol symbol;
59};
60
61static inline struct sym_hist *annotation__histogram(struct annotation *notes, int idx)
62{
63 return (((void *)¬es->src->histograms) +
64 (notes->src->sizeof_sym_hist * idx));
65}
66
67static inline struct annotation *symbol__annotation(struct symbol *sym)
68{
69 struct sannotation *a = container_of(sym, struct sannotation, symbol);
70 return &a->annotation;
71}
72
73int symbol__inc_addr_samples(struct symbol *sym, struct map *map,
74 int evidx, u64 addr);
75int symbol__alloc_hist(struct symbol *sym, int nevents);
76void symbol__annotate_zero_histograms(struct symbol *sym);
77
78int symbol__annotate(struct symbol *sym, struct map *map, size_t privsize);
79int symbol__annotate_init(struct map *map __used, struct symbol *sym);
80int symbol__annotate_printf(struct symbol *sym, struct map *map, int evidx,
81 bool full_paths, int min_pcnt, int max_lines,
82 int context);
83void symbol__annotate_zero_histogram(struct symbol *sym, int evidx);
84void symbol__annotate_decay_histogram(struct symbol *sym, int evidx);
85void objdump_line_list__purge(struct list_head *head);
86
87int symbol__tty_annotate(struct symbol *sym, struct map *map, int evidx,
88 bool print_lines, bool full_paths, int min_pcnt,
89 int max_lines);
90
91#ifdef NO_NEWT_SUPPORT
92static inline int symbol__tui_annotate(struct symbol *sym __used,
93 struct map *map __used,
94 int evidx __used,
95 void(*timer)(void *arg) __used,
96 void *arg __used, int delay_secs __used)
97{
98 return 0;
99}
100#else
101int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx,
102 int nr_events, void(*timer)(void *arg), void *arg,
103 int delay_secs);
104#endif
105
106extern const char *disassembler_style;
107
108#endif /* __PERF_ANNOTATE_H */