diff options
Diffstat (limited to 'tools/perf/util/annotate.h')
| -rw-r--r-- | tools/perf/util/annotate.h | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/tools/perf/util/annotate.h b/tools/perf/util/annotate.h new file mode 100644 index 000000000..cadbdc90a --- /dev/null +++ b/tools/perf/util/annotate.h @@ -0,0 +1,172 @@ +#ifndef __PERF_ANNOTATE_H +#define __PERF_ANNOTATE_H + +#include <stdbool.h> +#include <stdint.h> +#include <linux/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; + int line_nr; + 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; +}; + +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) +{ + return (void *)sym - symbol_conf.priv_size; +} + +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 */ |