1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __PERF_ANNOTATE_H
3 #define __PERF_ANNOTATE_H
7 #include <linux/types.h>
11 #include <linux/list.h>
12 #include <linux/rbtree.h>
42 struct ins_operands *ops;
50 void (*free)(struct ins_operands *ops);
51 int (*parse)(struct arch *arch, struct ins_operands *ops, struct map_symbol *ms);
52 int (*scnprintf)(struct ins *ins, char *bf, size_t size,
53 struct ins_operands *ops);
56 bool ins__is_jump(const struct ins *ins);
57 bool ins__is_call(const struct ins *ins);
58 bool ins__is_ret(const struct ins *ins);
59 bool ins__is_lock(const struct ins *ins);
60 int ins__scnprintf(struct ins *ins, char *bf, size_t size, struct ins_operands *ops);
61 bool ins__is_fused(struct arch *arch, const char *ins1, const char *ins2);
63 #define ANNOTATION__IPC_WIDTH 6
64 #define ANNOTATION__CYCLES_WIDTH 6
65 #define ANNOTATION__MINMAX_CYCLES_WIDTH 19
67 struct annotation_options {
84 const char *objdump_path;
85 const char *disassembler_style;
86 unsigned int percent_type;
90 ANNOTATION__OFFSET_JUMP_TARGETS = 1,
91 ANNOTATION__OFFSET_CALL,
92 ANNOTATION__MAX_OFFSET_LEVEL,
95 #define ANNOTATION__MIN_OFFSET_LEVEL ANNOTATION__OFFSET_JUMP_TARGETS
97 extern struct annotation_options annotation__default_options;
101 struct sym_hist_entry {
109 PERCENT_PERIOD_LOCAL,
110 PERCENT_PERIOD_GLOBAL,
114 struct annotation_data {
115 double percent[PERCENT_MAX];
117 struct sym_hist_entry he;
120 struct annotation_line {
121 struct list_head node;
122 struct rb_node rb_node;
136 struct annotation_data data[0];
141 struct ins_operands ops;
143 /* This needs to be at the end. */
144 struct annotation_line al;
147 static inline double annotation_data__percent(struct annotation_data *data,
150 return which < PERCENT_MAX ? data->percent[which] : -1;
153 static inline const char *percent_type_str(unsigned int type)
155 static const char *str[PERCENT_MAX] = {
162 if (WARN_ON(type >= PERCENT_MAX))
168 static inline struct disasm_line *disasm_line(struct annotation_line *al)
170 return al ? container_of(al, struct disasm_line, al) : NULL;
174 * Is this offset in the same function as the line it is used?
175 * asm functions jump to other functions, for instance.
177 static inline bool disasm_line__has_local_offset(const struct disasm_line *dl)
179 return dl->ops.target.offset_avail && !dl->ops.target.outside;
183 * Can we draw an arrow from the jump to its target, for instance? I.e.
184 * is the jump and its target in the same function?
186 bool disasm_line__is_valid_local_jump(struct disasm_line *dl, struct symbol *sym);
188 void disasm_line__free(struct disasm_line *dl);
189 struct annotation_line *
190 annotation_line__next(struct annotation_line *pos, struct list_head *head);
192 struct annotation_write_ops {
193 bool first_line, current_entry, change_color;
196 int (*set_color)(void *obj, int color);
197 void (*set_percent_color)(void *obj, double percent, bool current);
198 int (*set_jumps_percent_color)(void *obj, int nr, bool current);
199 void (*printf)(void *obj, const char *fmt, ...);
200 void (*write_graph)(void *obj, int graph);
203 void annotation_line__write(struct annotation_line *al, struct annotation *notes,
204 struct annotation_write_ops *ops,
205 struct annotation_options *opts);
207 int __annotation__scnprintf_samples_period(struct annotation *notes,
208 char *bf, size_t size,
209 struct perf_evsel *evsel,
212 int disasm_line__scnprintf(struct disasm_line *dl, char *bf, size_t size, bool raw);
213 size_t disasm__fprintf(struct list_head *head, FILE *fp);
214 void symbol__calc_percent(struct symbol *sym, struct perf_evsel *evsel);
219 struct sym_hist_entry addr[0];
235 /** struct annotated_source - symbols with hits have this attached as in sannotation
237 * @histograms: Array of addr hit histograms per event being monitored
238 * nr_histograms: This may not be the same as evsel->evlist->nr_entries if
239 * we have more than a group in a evlist, where we will want
240 * to see each group separately, that is why symbol__annotate2()
241 * sets src->nr_histograms to evsel->nr_members.
242 * @lines: If 'print_lines' is specified, per source code line percentages
243 * @source: source parsed from a disassembler like objdump -dS
244 * @cyc_hist: Average cycles per basic block
246 * lines is allocated, percentages calculated and all sorted by percentage
247 * when the annotation is about to be presented, so the percentages are for
248 * one of the entries in the histogram array, i.e. for the event/counter being
249 * presented. It is deallocated right after symbol__{tui,tty,etc}_annotate
252 struct annotated_source {
253 struct list_head source;
255 size_t sizeof_sym_hist;
256 struct cyc_hist *cycles_hist;
257 struct sym_hist *histograms;
261 pthread_mutex_t lock;
264 struct annotation_options *options;
265 struct annotation_line **offsets;
268 int max_jump_sources;
280 struct annotated_source *src;
283 static inline int annotation__cycles_width(struct annotation *notes)
285 if (notes->have_cycles && notes->options->show_minmax_cycle)
286 return ANNOTATION__IPC_WIDTH + ANNOTATION__MINMAX_CYCLES_WIDTH;
288 return notes->have_cycles ? ANNOTATION__IPC_WIDTH + ANNOTATION__CYCLES_WIDTH : 0;
291 static inline int annotation__pcnt_width(struct annotation *notes)
293 return (notes->options->show_total_period ? 12 : 7) * notes->nr_events;
296 static inline bool annotation_line__filter(struct annotation_line *al, struct annotation *notes)
298 return notes->options->hide_src_code && al->offset == -1;
301 void annotation__set_offsets(struct annotation *notes, s64 size);
302 void annotation__compute_ipc(struct annotation *notes, size_t size);
303 void annotation__mark_jump_targets(struct annotation *notes, struct symbol *sym);
304 void annotation__update_column_widths(struct annotation *notes);
305 void annotation__init_column_widths(struct annotation *notes, struct symbol *sym);
307 static inline struct sym_hist *annotated_source__histogram(struct annotated_source *src, int idx)
309 return ((void *)src->histograms) + (src->sizeof_sym_hist * idx);
312 static inline struct sym_hist *annotation__histogram(struct annotation *notes, int idx)
314 return annotated_source__histogram(notes->src, idx);
317 static inline struct annotation *symbol__annotation(struct symbol *sym)
319 return (void *)sym - symbol_conf.priv_size;
322 int addr_map_symbol__inc_samples(struct addr_map_symbol *ams, struct perf_sample *sample,
323 struct perf_evsel *evsel);
325 int addr_map_symbol__account_cycles(struct addr_map_symbol *ams,
326 struct addr_map_symbol *start,
329 int hist_entry__inc_addr_samples(struct hist_entry *he, struct perf_sample *sample,
330 struct perf_evsel *evsel, u64 addr);
332 struct annotated_source *symbol__hists(struct symbol *sym, int nr_hists);
333 void symbol__annotate_zero_histograms(struct symbol *sym);
335 int symbol__annotate(struct symbol *sym, struct map *map,
336 struct perf_evsel *evsel, size_t privsize,
337 struct annotation_options *options,
338 struct arch **parch);
339 int symbol__annotate2(struct symbol *sym, struct map *map,
340 struct perf_evsel *evsel,
341 struct annotation_options *options,
342 struct arch **parch);
344 enum symbol_disassemble_errno {
345 SYMBOL_ANNOTATE_ERRNO__SUCCESS = 0,
348 * Choose an arbitrary negative big number not to clash with standard
349 * errno since SUS requires the errno has distinct positive values.
350 * See 'Issue 6' in the link below.
352 * http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/errno.h.html
354 __SYMBOL_ANNOTATE_ERRNO__START = -10000,
356 SYMBOL_ANNOTATE_ERRNO__NO_VMLINUX = __SYMBOL_ANNOTATE_ERRNO__START,
358 __SYMBOL_ANNOTATE_ERRNO__END,
361 int symbol__strerror_disassemble(struct symbol *sym, struct map *map,
362 int errnum, char *buf, size_t buflen);
364 int symbol__annotate_printf(struct symbol *sym, struct map *map,
365 struct perf_evsel *evsel,
366 struct annotation_options *options);
367 void symbol__annotate_zero_histogram(struct symbol *sym, int evidx);
368 void symbol__annotate_decay_histogram(struct symbol *sym, int evidx);
369 void annotated_source__purge(struct annotated_source *as);
371 int map_symbol__annotation_dump(struct map_symbol *ms, struct perf_evsel *evsel,
372 struct annotation_options *opts);
374 bool ui__has_annotation(void);
376 int symbol__tty_annotate(struct symbol *sym, struct map *map,
377 struct perf_evsel *evsel, struct annotation_options *opts);
379 int symbol__tty_annotate2(struct symbol *sym, struct map *map,
380 struct perf_evsel *evsel, struct annotation_options *opts);
382 #ifdef HAVE_SLANG_SUPPORT
383 int symbol__tui_annotate(struct symbol *sym, struct map *map,
384 struct perf_evsel *evsel,
385 struct hist_browser_timer *hbt,
386 struct annotation_options *opts);
388 static inline int symbol__tui_annotate(struct symbol *sym __maybe_unused,
389 struct map *map __maybe_unused,
390 struct perf_evsel *evsel __maybe_unused,
391 struct hist_browser_timer *hbt __maybe_unused,
392 struct annotation_options *opts __maybe_unused)
398 void annotation_config__init(void);
400 int annotate_parse_percent_type(const struct option *opt, const char *_str,
402 #endif /* __PERF_ANNOTATE_H */