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 {
75 extern struct annotation_options annotation__default_options;
79 struct sym_hist_entry {
84 struct annotation_data {
87 struct sym_hist_entry he;
90 struct annotation_line {
91 struct list_head node;
92 struct rb_node rb_node;
104 struct annotation_data samples[0];
109 struct ins_operands ops;
111 /* This needs to be at the end. */
112 struct annotation_line al;
115 static inline struct disasm_line *disasm_line(struct annotation_line *al)
117 return al ? container_of(al, struct disasm_line, al) : NULL;
121 * Is this offset in the same function as the line it is used?
122 * asm functions jump to other functions, for instance.
124 static inline bool disasm_line__has_local_offset(const struct disasm_line *dl)
126 return dl->ops.target.offset_avail && !dl->ops.target.outside;
130 * Can we draw an arrow from the jump to its target, for instance? I.e.
131 * is the jump and its target in the same function?
133 bool disasm_line__is_valid_local_jump(struct disasm_line *dl, struct symbol *sym);
135 void disasm_line__free(struct disasm_line *dl);
136 struct annotation_line *
137 annotation_line__next(struct annotation_line *pos, struct list_head *head);
139 struct annotation_write_ops {
140 bool first_line, current_entry, change_color;
143 int (*set_color)(void *obj, int color);
144 void (*set_percent_color)(void *obj, double percent, bool current);
145 int (*set_jumps_percent_color)(void *obj, int nr, bool current);
146 void (*printf)(void *obj, const char *fmt, ...);
147 void (*write_graph)(void *obj, int graph);
150 double annotation_line__max_percent(struct annotation_line *al, struct annotation *notes);
151 void annotation_line__write(struct annotation_line *al, struct annotation *notes,
152 struct annotation_write_ops *ops);
154 int __annotation__scnprintf_samples_period(struct annotation *notes,
155 char *bf, size_t size,
156 struct perf_evsel *evsel,
159 static inline int annotation__scnprintf_samples_period(struct annotation *notes,
160 char *bf, size_t size,
161 struct perf_evsel *evsel)
163 return __annotation__scnprintf_samples_period(notes, bf, size, evsel, true);
166 int disasm_line__scnprintf(struct disasm_line *dl, char *bf, size_t size, bool raw);
167 size_t disasm__fprintf(struct list_head *head, FILE *fp);
168 void symbol__calc_percent(struct symbol *sym, struct perf_evsel *evsel);
173 struct sym_hist_entry addr[0];
187 /** struct annotated_source - symbols with hits have this attached as in sannotation
189 * @histogram: Array of addr hit histograms per event being monitored
190 * @lines: If 'print_lines' is specified, per source code line percentages
191 * @source: source parsed from a disassembler like objdump -dS
192 * @cyc_hist: Average cycles per basic block
194 * lines is allocated, percentages calculated and all sorted by percentage
195 * when the annotation is about to be presented, so the percentages are for
196 * one of the entries in the histogram array, i.e. for the event/counter being
197 * presented. It is deallocated right after symbol__{tui,tty,etc}_annotate
200 struct annotated_source {
201 struct list_head source;
203 size_t sizeof_sym_hist;
204 struct cyc_hist *cycles_hist;
205 struct sym_hist histograms[0];
209 pthread_mutex_t lock;
212 struct annotation_options *options;
213 struct annotation_line **offsets;
216 int max_jump_sources;
228 struct annotated_source *src;
231 static inline int annotation__cycles_width(struct annotation *notes)
233 return notes->have_cycles ? ANNOTATION__IPC_WIDTH + ANNOTATION__CYCLES_WIDTH : 0;
236 static inline int annotation__pcnt_width(struct annotation *notes)
238 return (notes->options->show_total_period ? 12 : 7) * notes->nr_events;
241 static inline bool annotation_line__filter(struct annotation_line *al, struct annotation *notes)
243 return notes->options->hide_src_code && al->offset == -1;
246 void annotation__set_offsets(struct annotation *notes, s64 size);
247 void annotation__compute_ipc(struct annotation *notes, size_t size);
248 void annotation__mark_jump_targets(struct annotation *notes, struct symbol *sym);
249 void annotation__update_column_widths(struct annotation *notes);
250 void annotation__init_column_widths(struct annotation *notes, struct symbol *sym);
252 static inline struct sym_hist *annotation__histogram(struct annotation *notes, int idx)
254 return (((void *)¬es->src->histograms) +
255 (notes->src->sizeof_sym_hist * idx));
258 static inline struct annotation *symbol__annotation(struct symbol *sym)
260 return (void *)sym - symbol_conf.priv_size;
263 int addr_map_symbol__inc_samples(struct addr_map_symbol *ams, struct perf_sample *sample,
266 int addr_map_symbol__account_cycles(struct addr_map_symbol *ams,
267 struct addr_map_symbol *start,
270 int hist_entry__inc_addr_samples(struct hist_entry *he, struct perf_sample *sample,
271 int evidx, u64 addr);
273 int symbol__alloc_hist(struct symbol *sym);
274 void symbol__annotate_zero_histograms(struct symbol *sym);
276 int symbol__annotate(struct symbol *sym, struct map *map,
277 struct perf_evsel *evsel, size_t privsize,
278 struct arch **parch);
279 int symbol__annotate2(struct symbol *sym, struct map *map,
280 struct perf_evsel *evsel,
281 struct annotation_options *options,
282 struct arch **parch);
284 enum symbol_disassemble_errno {
285 SYMBOL_ANNOTATE_ERRNO__SUCCESS = 0,
288 * Choose an arbitrary negative big number not to clash with standard
289 * errno since SUS requires the errno has distinct positive values.
290 * See 'Issue 6' in the link below.
292 * http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/errno.h.html
294 __SYMBOL_ANNOTATE_ERRNO__START = -10000,
296 SYMBOL_ANNOTATE_ERRNO__NO_VMLINUX = __SYMBOL_ANNOTATE_ERRNO__START,
298 __SYMBOL_ANNOTATE_ERRNO__END,
301 int symbol__strerror_disassemble(struct symbol *sym, struct map *map,
302 int errnum, char *buf, size_t buflen);
304 int symbol__annotate_printf(struct symbol *sym, struct map *map,
305 struct perf_evsel *evsel, bool full_paths,
306 int min_pcnt, int max_lines, int context);
307 int symbol__annotate_fprintf2(struct symbol *sym, FILE *fp);
308 void symbol__annotate_zero_histogram(struct symbol *sym, int evidx);
309 void symbol__annotate_decay_histogram(struct symbol *sym, int evidx);
310 void annotated_source__purge(struct annotated_source *as);
312 int map_symbol__annotation_dump(struct map_symbol *ms, struct perf_evsel *evsel);
314 bool ui__has_annotation(void);
316 int symbol__tty_annotate(struct symbol *sym, struct map *map,
317 struct perf_evsel *evsel, bool print_lines,
318 bool full_paths, int min_pcnt, int max_lines);
320 int symbol__tty_annotate2(struct symbol *sym, struct map *map,
321 struct perf_evsel *evsel, bool print_lines,
324 #ifdef HAVE_SLANG_SUPPORT
325 int symbol__tui_annotate(struct symbol *sym, struct map *map,
326 struct perf_evsel *evsel,
327 struct hist_browser_timer *hbt);
329 static inline int symbol__tui_annotate(struct symbol *sym __maybe_unused,
330 struct map *map __maybe_unused,
331 struct perf_evsel *evsel __maybe_unused,
332 struct hist_browser_timer *hbt
339 extern const char *disassembler_style;
341 void annotation_config__init(void);
343 #endif /* __PERF_ANNOTATE_H */