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>
41 struct ins_operands *ops;
49 void (*free)(struct ins_operands *ops);
50 int (*parse)(struct arch *arch, struct ins_operands *ops, struct map_symbol *ms);
51 int (*scnprintf)(struct ins *ins, char *bf, size_t size,
52 struct ins_operands *ops);
55 bool ins__is_jump(const struct ins *ins);
56 bool ins__is_call(const struct ins *ins);
57 bool ins__is_ret(const struct ins *ins);
58 bool ins__is_lock(const struct ins *ins);
59 int ins__scnprintf(struct ins *ins, char *bf, size_t size, struct ins_operands *ops);
60 bool ins__is_fused(struct arch *arch, const char *ins1, const char *ins2);
62 #define ANNOTATION__IPC_WIDTH 6
63 #define ANNOTATION__CYCLES_WIDTH 6
65 struct annotation_options {
77 ANNOTATION__OFFSET_JUMP_TARGETS = 1,
78 ANNOTATION__OFFSET_CALL,
79 ANNOTATION__MAX_OFFSET_LEVEL,
82 #define ANNOTATION__MIN_OFFSET_LEVEL ANNOTATION__OFFSET_JUMP_TARGETS
84 extern struct annotation_options annotation__default_options;
88 struct sym_hist_entry {
93 struct annotation_data {
96 struct sym_hist_entry he;
99 struct annotation_line {
100 struct list_head node;
101 struct rb_node rb_node;
115 struct annotation_data samples[0];
120 struct ins_operands ops;
122 /* This needs to be at the end. */
123 struct annotation_line al;
126 static inline struct disasm_line *disasm_line(struct annotation_line *al)
128 return al ? container_of(al, struct disasm_line, al) : NULL;
132 * Is this offset in the same function as the line it is used?
133 * asm functions jump to other functions, for instance.
135 static inline bool disasm_line__has_local_offset(const struct disasm_line *dl)
137 return dl->ops.target.offset_avail && !dl->ops.target.outside;
141 * Can we draw an arrow from the jump to its target, for instance? I.e.
142 * is the jump and its target in the same function?
144 bool disasm_line__is_valid_local_jump(struct disasm_line *dl, struct symbol *sym);
146 void disasm_line__free(struct disasm_line *dl);
147 struct annotation_line *
148 annotation_line__next(struct annotation_line *pos, struct list_head *head);
150 struct annotation_write_ops {
151 bool first_line, current_entry, change_color;
154 int (*set_color)(void *obj, int color);
155 void (*set_percent_color)(void *obj, double percent, bool current);
156 int (*set_jumps_percent_color)(void *obj, int nr, bool current);
157 void (*printf)(void *obj, const char *fmt, ...);
158 void (*write_graph)(void *obj, int graph);
161 double annotation_line__max_percent(struct annotation_line *al, struct annotation *notes);
162 void annotation_line__write(struct annotation_line *al, struct annotation *notes,
163 struct annotation_write_ops *ops);
165 int __annotation__scnprintf_samples_period(struct annotation *notes,
166 char *bf, size_t size,
167 struct perf_evsel *evsel,
170 static inline int annotation__scnprintf_samples_period(struct annotation *notes,
171 char *bf, size_t size,
172 struct perf_evsel *evsel)
174 return __annotation__scnprintf_samples_period(notes, bf, size, evsel, true);
177 int disasm_line__scnprintf(struct disasm_line *dl, char *bf, size_t size, bool raw);
178 size_t disasm__fprintf(struct list_head *head, FILE *fp);
179 void symbol__calc_percent(struct symbol *sym, struct perf_evsel *evsel);
184 struct sym_hist_entry addr[0];
200 /** struct annotated_source - symbols with hits have this attached as in sannotation
202 * @histogram: Array of addr hit histograms per event being monitored
203 * @lines: If 'print_lines' is specified, per source code line percentages
204 * @source: source parsed from a disassembler like objdump -dS
205 * @cyc_hist: Average cycles per basic block
207 * lines is allocated, percentages calculated and all sorted by percentage
208 * when the annotation is about to be presented, so the percentages are for
209 * one of the entries in the histogram array, i.e. for the event/counter being
210 * presented. It is deallocated right after symbol__{tui,tty,etc}_annotate
213 struct annotated_source {
214 struct list_head source;
216 size_t sizeof_sym_hist;
217 struct cyc_hist *cycles_hist;
218 struct sym_hist histograms[0];
222 pthread_mutex_t lock;
225 struct annotation_options *options;
226 struct annotation_line **offsets;
229 int max_jump_sources;
241 struct annotated_source *src;
244 static inline int annotation__cycles_width(struct annotation *notes)
246 return notes->have_cycles ? ANNOTATION__IPC_WIDTH + ANNOTATION__CYCLES_WIDTH : 0;
249 static inline int annotation__pcnt_width(struct annotation *notes)
251 return (notes->options->show_total_period ? 12 : 7) * notes->nr_events;
254 static inline bool annotation_line__filter(struct annotation_line *al, struct annotation *notes)
256 return notes->options->hide_src_code && al->offset == -1;
259 void annotation__set_offsets(struct annotation *notes, s64 size);
260 void annotation__compute_ipc(struct annotation *notes, size_t size);
261 void annotation__mark_jump_targets(struct annotation *notes, struct symbol *sym);
262 void annotation__update_column_widths(struct annotation *notes);
263 void annotation__init_column_widths(struct annotation *notes, struct symbol *sym);
265 static inline struct sym_hist *annotation__histogram(struct annotation *notes, int idx)
267 return (((void *)¬es->src->histograms) +
268 (notes->src->sizeof_sym_hist * idx));
271 static inline struct annotation *symbol__annotation(struct symbol *sym)
273 return (void *)sym - symbol_conf.priv_size;
276 int addr_map_symbol__inc_samples(struct addr_map_symbol *ams, struct perf_sample *sample,
279 int addr_map_symbol__account_cycles(struct addr_map_symbol *ams,
280 struct addr_map_symbol *start,
283 int hist_entry__inc_addr_samples(struct hist_entry *he, struct perf_sample *sample,
284 int evidx, u64 addr);
286 int symbol__alloc_hist(struct symbol *sym);
287 void symbol__annotate_zero_histograms(struct symbol *sym);
289 int symbol__annotate(struct symbol *sym, struct map *map,
290 struct perf_evsel *evsel, size_t privsize,
291 struct arch **parch);
292 int symbol__annotate2(struct symbol *sym, struct map *map,
293 struct perf_evsel *evsel,
294 struct annotation_options *options,
295 struct arch **parch);
297 enum symbol_disassemble_errno {
298 SYMBOL_ANNOTATE_ERRNO__SUCCESS = 0,
301 * Choose an arbitrary negative big number not to clash with standard
302 * errno since SUS requires the errno has distinct positive values.
303 * See 'Issue 6' in the link below.
305 * http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/errno.h.html
307 __SYMBOL_ANNOTATE_ERRNO__START = -10000,
309 SYMBOL_ANNOTATE_ERRNO__NO_VMLINUX = __SYMBOL_ANNOTATE_ERRNO__START,
311 __SYMBOL_ANNOTATE_ERRNO__END,
314 int symbol__strerror_disassemble(struct symbol *sym, struct map *map,
315 int errnum, char *buf, size_t buflen);
317 int symbol__annotate_printf(struct symbol *sym, struct map *map,
318 struct perf_evsel *evsel, bool full_paths,
319 int min_pcnt, int max_lines, int context);
320 int symbol__annotate_fprintf2(struct symbol *sym, FILE *fp);
321 void symbol__annotate_zero_histogram(struct symbol *sym, int evidx);
322 void symbol__annotate_decay_histogram(struct symbol *sym, int evidx);
323 void annotated_source__purge(struct annotated_source *as);
325 int map_symbol__annotation_dump(struct map_symbol *ms, struct perf_evsel *evsel);
327 bool ui__has_annotation(void);
329 int symbol__tty_annotate(struct symbol *sym, struct map *map,
330 struct perf_evsel *evsel, bool print_lines,
331 bool full_paths, int min_pcnt, int max_lines);
333 int symbol__tty_annotate2(struct symbol *sym, struct map *map,
334 struct perf_evsel *evsel, bool print_lines,
337 #ifdef HAVE_SLANG_SUPPORT
338 int symbol__tui_annotate(struct symbol *sym, struct map *map,
339 struct perf_evsel *evsel,
340 struct hist_browser_timer *hbt);
342 static inline int symbol__tui_annotate(struct symbol *sym __maybe_unused,
343 struct map *map __maybe_unused,
344 struct perf_evsel *evsel __maybe_unused,
345 struct hist_browser_timer *hbt
352 extern const char *disassembler_style;
354 void annotation_config__init(void);
356 #endif /* __PERF_ANNOTATE_H */