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 <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 float ipc;
63 u64 cycles;
64 struct ins_operands ops;
65};
66
67static inline bool disasm_line__has_offset(const struct disasm_line *dl)
68{
69 return dl->ops.target.offset != UINT64_MAX;
70}
71
72void disasm_line__free(struct disasm_line *dl);
73struct disasm_line *disasm__get_next_ip_line(struct list_head *head, struct disasm_line *pos);
74int disasm_line__scnprintf(struct disasm_line *dl, char *bf, size_t size, bool raw);
75size_t disasm__fprintf(struct list_head *head, FILE *fp);
76double disasm__calc_percent(struct annotation *notes, int evidx, s64 offset,
77 s64 end, const char **path, u64 *nr_samples);
78
79struct sym_hist {
80 u64 sum;
81 u64 addr[0];
82};
83
84struct cyc_hist {
85 u64 start;
86 u64 cycles;
87 u64 cycles_aggr;
88 u32 num;
89 u32 num_aggr;
90 u8 have_start;
91 /* 1 byte padding */
92 u16 reset;
93};
94
95struct source_line_samples {
96 double percent;
97 double percent_sum;
98 double nr;
99};
100
101struct source_line {
102 struct rb_node node;
103 char *path;
104 int nr_pcnt;
105 struct source_line_samples samples[1];
106};
107
108/** struct annotated_source - symbols with hits have this attached as in sannotation
109 *
110 * @histogram: Array of addr hit histograms per event being monitored
111 * @lines: If 'print_lines' is specified, per source code line percentages
112 * @source: source parsed from a disassembler like objdump -dS
113 * @cyc_hist: Average cycles per basic block
114 *
115 * lines is allocated, percentages calculated and all sorted by percentage
116 * when the annotation is about to be presented, so the percentages are for
117 * one of the entries in the histogram array, i.e. for the event/counter being
118 * presented. It is deallocated right after symbol__{tui,tty,etc}_annotate
119 * returns.
120 */
121struct annotated_source {
122 struct list_head source;
123 struct source_line *lines;
124 int nr_histograms;
125 size_t sizeof_sym_hist;
126 struct cyc_hist *cycles_hist;
127 struct sym_hist histograms[0];
128};
129
130struct annotation {
131 pthread_mutex_t lock;
132 struct annotated_source *src;
133};
134
135static inline struct sym_hist *annotation__histogram(struct annotation *notes, int idx)
136{
137 return (((void *)¬es->src->histograms) +
138 (notes->src->sizeof_sym_hist * idx));
139}
140
141static inline struct annotation *symbol__annotation(struct symbol *sym)
142{
143 return (void *)sym - symbol_conf.priv_size;
144}
145
146int addr_map_symbol__inc_samples(struct addr_map_symbol *ams, int evidx);
147
148int addr_map_symbol__account_cycles(struct addr_map_symbol *ams,
149 struct addr_map_symbol *start,
150 unsigned cycles);
151
152int hist_entry__inc_addr_samples(struct hist_entry *he, int evidx, u64 addr);
153
154int symbol__alloc_hist(struct symbol *sym);
155void symbol__annotate_zero_histograms(struct symbol *sym);
156
157int symbol__annotate(struct symbol *sym, struct map *map, size_t privsize);
158
159int hist_entry__annotate(struct hist_entry *he, size_t privsize);
160
161int symbol__annotate_init(struct map *map __maybe_unused, struct symbol *sym);
162int symbol__annotate_printf(struct symbol *sym, struct map *map,
163 struct perf_evsel *evsel, bool full_paths,
164 int min_pcnt, int max_lines, int context);
165void symbol__annotate_zero_histogram(struct symbol *sym, int evidx);
166void symbol__annotate_decay_histogram(struct symbol *sym, int evidx);
167void disasm__purge(struct list_head *head);
168
169bool ui__has_annotation(void);
170
171int symbol__tty_annotate(struct symbol *sym, struct map *map,
172 struct perf_evsel *evsel, bool print_lines,
173 bool full_paths, int min_pcnt, int max_lines);
174
175#ifdef HAVE_SLANG_SUPPORT
176int symbol__tui_annotate(struct symbol *sym, struct map *map,
177 struct perf_evsel *evsel,
178 struct hist_browser_timer *hbt);
179#else
180static inline int symbol__tui_annotate(struct symbol *sym __maybe_unused,
181 struct map *map __maybe_unused,
182 struct perf_evsel *evsel __maybe_unused,
183 struct hist_browser_timer *hbt
184 __maybe_unused)
185{
186 return 0;
187}
188#endif
189
190extern const char *disassembler_style;
191
192#endif /* __PERF_ANNOTATE_H */