annotate.h
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#ifndef __PERF_ANNOTATE_H
#define __PERF_ANNOTATE_H
#include <stdbool.h>
#include <stdint.h>
#include "types.h"
#include "symbol.h"
#include "hist.h"
#include "sort.h"
#include <linux/list.h>
#include <linux/rbtree.h>
#include <pthread.h>
struct ins;
struct ins_operands {
char *raw;
struct {
char *raw;
char *name;
u64 addr;
u64 offset;
} target;
union {
struct {
char *raw;
char *name;
u64 addr;
} source;
struct {
struct ins *ins;
struct ins_operands *ops;
} locked;
};
};
struct ins_ops {
void (*free)(struct ins_operands *ops);
int (*parse)(struct ins_operands *ops);
int (*scnprintf)(struct ins *ins, char *bf, size_t size,
struct ins_operands *ops);
};
struct ins {
const char *name;
struct ins_ops *ops;
};
bool ins__is_jump(const struct ins *ins);
bool ins__is_call(const struct ins *ins);
int ins__scnprintf(struct ins *ins, char *bf, size_t size, struct ins_operands *ops);
struct annotation;
struct disasm_line {
struct list_head node;
s64 offset;
char *line;
char *name;
struct ins *ins;
struct ins_operands ops;
};
static inline bool disasm_line__has_offset(const struct disasm_line *dl)
{
return dl->ops.target.offset != UINT64_MAX;
}
void disasm_line__free(struct disasm_line *dl);
struct disasm_line *disasm__get_next_ip_line(struct list_head *head, struct disasm_line *pos);
int disasm_line__scnprintf(struct disasm_line *dl, char *bf, size_t size, bool raw);
size_t disasm__fprintf(struct list_head *head, FILE *fp);
double disasm__calc_percent(struct annotation *notes, int evidx, s64 offset,
s64 end, const char **path);
struct sym_hist {
u64 sum;
u64 addr[0];
};
struct source_line_percent {
double percent;
double percent_sum;
};
struct source_line {
struct rb_node node;
char *path;
int nr_pcnt;
struct source_line_percent p[1];
};
/** struct annotated_source - symbols with hits have this attached as in sannotation
*
* @histogram: Array of addr hit histograms per event being monitored
* @lines: If 'print_lines' is specified, per source code line percentages
* @source: source parsed from a disassembler like objdump -dS
*
* lines is allocated, percentages calculated and all sorted by percentage
* when the annotation is about to be presented, so the percentages are for
* one of the entries in the histogram array, i.e. for the event/counter being
* presented. It is deallocated right after symbol__{tui,tty,etc}_annotate
* returns.
*/
struct annotated_source {
struct list_head source;
struct source_line *lines;
int nr_histograms;
int sizeof_sym_hist;
struct sym_hist histograms[0];
};
struct annotation {
pthread_mutex_t lock;
struct annotated_source *src;
};
struct sannotation {
struct annotation annotation;
struct symbol symbol;
};
static inline struct sym_hist *annotation__histogram(struct annotation *notes, int idx)
{
return (((void *)¬es->src->histograms) +
(notes->src->sizeof_sym_hist * idx));
}
static inline struct annotation *symbol__annotation(struct symbol *sym)
{
struct sannotation *a = container_of(sym, struct sannotation, symbol);
return &a->annotation;
}
int addr_map_symbol__inc_samples(struct addr_map_symbol *ams, int evidx);
int hist_entry__inc_addr_samples(struct hist_entry *he, int evidx, u64 addr);
int symbol__alloc_hist(struct symbol *sym);
void symbol__annotate_zero_histograms(struct symbol *sym);
int symbol__annotate(struct symbol *sym, struct map *map, size_t privsize);
int hist_entry__annotate(struct hist_entry *he, size_t privsize);
int symbol__annotate_init(struct map *map __maybe_unused, struct symbol *sym);
int symbol__annotate_printf(struct symbol *sym, struct map *map,
struct perf_evsel *evsel, bool full_paths,
int min_pcnt, int max_lines, int context);
void symbol__annotate_zero_histogram(struct symbol *sym, int evidx);
void symbol__annotate_decay_histogram(struct symbol *sym, int evidx);
void disasm__purge(struct list_head *head);
bool ui__has_annotation(void);
int symbol__tty_annotate(struct symbol *sym, struct map *map,
struct perf_evsel *evsel, bool print_lines,
bool full_paths, int min_pcnt, int max_lines);
#ifdef HAVE_SLANG_SUPPORT
int symbol__tui_annotate(struct symbol *sym, struct map *map,
struct perf_evsel *evsel,
struct hist_browser_timer *hbt);
#else
static inline int symbol__tui_annotate(struct symbol *sym __maybe_unused,
struct map *map __maybe_unused,
struct perf_evsel *evsel __maybe_unused,
struct hist_browser_timer *hbt
__maybe_unused)
{
return 0;
}
#endif
extern const char *disassembler_style;
#endif /* __PERF_ANNOTATE_H */