perf hists: Return error from hists__collapse_resort()
[cascardo/linux.git] / tools / perf / util / hist.h
1 #ifndef __PERF_HIST_H
2 #define __PERF_HIST_H
3
4 #include <linux/types.h>
5 #include <pthread.h>
6 #include "callchain.h"
7 #include "evsel.h"
8 #include "header.h"
9 #include "color.h"
10 #include "ui/progress.h"
11
12 struct hist_entry;
13 struct addr_location;
14 struct symbol;
15
16 enum hist_filter {
17         HIST_FILTER__DSO,
18         HIST_FILTER__THREAD,
19         HIST_FILTER__PARENT,
20         HIST_FILTER__SYMBOL,
21         HIST_FILTER__GUEST,
22         HIST_FILTER__HOST,
23         HIST_FILTER__SOCKET,
24 };
25
26 enum hist_column {
27         HISTC_SYMBOL,
28         HISTC_DSO,
29         HISTC_THREAD,
30         HISTC_COMM,
31         HISTC_PARENT,
32         HISTC_CPU,
33         HISTC_SOCKET,
34         HISTC_SRCLINE,
35         HISTC_SRCFILE,
36         HISTC_MISPREDICT,
37         HISTC_IN_TX,
38         HISTC_ABORT,
39         HISTC_SYMBOL_FROM,
40         HISTC_SYMBOL_TO,
41         HISTC_DSO_FROM,
42         HISTC_DSO_TO,
43         HISTC_LOCAL_WEIGHT,
44         HISTC_GLOBAL_WEIGHT,
45         HISTC_MEM_DADDR_SYMBOL,
46         HISTC_MEM_DADDR_DSO,
47         HISTC_MEM_LOCKED,
48         HISTC_MEM_TLB,
49         HISTC_MEM_LVL,
50         HISTC_MEM_SNOOP,
51         HISTC_MEM_DCACHELINE,
52         HISTC_MEM_IADDR_SYMBOL,
53         HISTC_TRANSACTION,
54         HISTC_CYCLES,
55         HISTC_TRACE,
56         HISTC_NR_COLS, /* Last entry */
57 };
58
59 struct thread;
60 struct dso;
61
62 struct hists {
63         struct rb_root          entries_in_array[2];
64         struct rb_root          *entries_in;
65         struct rb_root          entries;
66         struct rb_root          entries_collapsed;
67         u64                     nr_entries;
68         u64                     nr_non_filtered_entries;
69         u64                     callchain_period;
70         u64                     callchain_non_filtered_period;
71         struct thread           *thread_filter;
72         const struct dso        *dso_filter;
73         const char              *uid_filter_str;
74         const char              *symbol_filter_str;
75         pthread_mutex_t         lock;
76         struct events_stats     stats;
77         u64                     event_stream;
78         u16                     col_len[HISTC_NR_COLS];
79         int                     socket_filter;
80         struct perf_hpp_list    *hpp_list;
81 };
82
83 struct hist_entry_iter;
84
85 struct hist_iter_ops {
86         int (*prepare_entry)(struct hist_entry_iter *, struct addr_location *);
87         int (*add_single_entry)(struct hist_entry_iter *, struct addr_location *);
88         int (*next_entry)(struct hist_entry_iter *, struct addr_location *);
89         int (*add_next_entry)(struct hist_entry_iter *, struct addr_location *);
90         int (*finish_entry)(struct hist_entry_iter *, struct addr_location *);
91 };
92
93 struct hist_entry_iter {
94         int total;
95         int curr;
96
97         bool hide_unresolved;
98         int max_stack;
99
100         struct perf_evsel *evsel;
101         struct perf_sample *sample;
102         struct hist_entry *he;
103         struct symbol *parent;
104         void *priv;
105
106         const struct hist_iter_ops *ops;
107         /* user-defined callback function (optional) */
108         int (*add_entry_cb)(struct hist_entry_iter *iter,
109                             struct addr_location *al, bool single, void *arg);
110 };
111
112 extern const struct hist_iter_ops hist_iter_normal;
113 extern const struct hist_iter_ops hist_iter_branch;
114 extern const struct hist_iter_ops hist_iter_mem;
115 extern const struct hist_iter_ops hist_iter_cumulative;
116
117 struct hist_entry *__hists__add_entry(struct hists *hists,
118                                       struct addr_location *al,
119                                       struct symbol *parent,
120                                       struct branch_info *bi,
121                                       struct mem_info *mi,
122                                       struct perf_sample *sample,
123                                       bool sample_self);
124 int hist_entry_iter__add(struct hist_entry_iter *iter, struct addr_location *al,
125                          int max_stack_depth, void *arg);
126
127 struct perf_hpp;
128 struct perf_hpp_fmt;
129
130 int64_t hist_entry__cmp(struct hist_entry *left, struct hist_entry *right);
131 int64_t hist_entry__collapse(struct hist_entry *left, struct hist_entry *right);
132 int hist_entry__transaction_len(void);
133 int hist_entry__sort_snprintf(struct hist_entry *he, char *bf, size_t size,
134                               struct hists *hists);
135 int hist_entry__snprintf_alignment(struct hist_entry *he, struct perf_hpp *hpp,
136                                    struct perf_hpp_fmt *fmt, int printed);
137 void hist_entry__delete(struct hist_entry *he);
138
139 void perf_evsel__output_resort(struct perf_evsel *evsel, struct ui_progress *prog);
140 void hists__output_resort(struct hists *hists, struct ui_progress *prog);
141 int hists__collapse_resort(struct hists *hists, struct ui_progress *prog);
142
143 void hists__decay_entries(struct hists *hists, bool zap_user, bool zap_kernel);
144 void hists__delete_entries(struct hists *hists);
145 void hists__output_recalc_col_len(struct hists *hists, int max_rows);
146
147 u64 hists__total_period(struct hists *hists);
148 void hists__reset_stats(struct hists *hists);
149 void hists__inc_stats(struct hists *hists, struct hist_entry *h);
150 void hists__inc_nr_events(struct hists *hists, u32 type);
151 void hists__inc_nr_samples(struct hists *hists, bool filtered);
152 void events_stats__inc(struct events_stats *stats, u32 type);
153 size_t events_stats__fprintf(struct events_stats *stats, FILE *fp);
154
155 size_t hists__fprintf(struct hists *hists, bool show_header, int max_rows,
156                       int max_cols, float min_pcnt, FILE *fp);
157 size_t perf_evlist__fprintf_nr_events(struct perf_evlist *evlist, FILE *fp);
158
159 void hists__filter_by_dso(struct hists *hists);
160 void hists__filter_by_thread(struct hists *hists);
161 void hists__filter_by_symbol(struct hists *hists);
162 void hists__filter_by_socket(struct hists *hists);
163
164 static inline bool hists__has_filter(struct hists *hists)
165 {
166         return hists->thread_filter || hists->dso_filter ||
167                 hists->symbol_filter_str || (hists->socket_filter > -1);
168 }
169
170 u16 hists__col_len(struct hists *hists, enum hist_column col);
171 void hists__set_col_len(struct hists *hists, enum hist_column col, u16 len);
172 bool hists__new_col_len(struct hists *hists, enum hist_column col, u16 len);
173 void hists__reset_col_len(struct hists *hists);
174 void hists__calc_col_len(struct hists *hists, struct hist_entry *he);
175
176 void hists__match(struct hists *leader, struct hists *other);
177 int hists__link(struct hists *leader, struct hists *other);
178
179 struct hists_evsel {
180         struct perf_evsel evsel;
181         struct hists      hists;
182 };
183
184 static inline struct perf_evsel *hists_to_evsel(struct hists *hists)
185 {
186         struct hists_evsel *hevsel = container_of(hists, struct hists_evsel, hists);
187         return &hevsel->evsel;
188 }
189
190 static inline struct hists *evsel__hists(struct perf_evsel *evsel)
191 {
192         struct hists_evsel *hevsel = (struct hists_evsel *)evsel;
193         return &hevsel->hists;
194 }
195
196 int hists__init(void);
197 int __hists__init(struct hists *hists, struct perf_hpp_list *hpp_list);
198
199 struct rb_root *hists__get_rotate_entries_in(struct hists *hists);
200 int hists__collapse_insert_entry(struct hists *hists,
201                                   struct rb_root *root, struct hist_entry *he);
202
203 struct perf_hpp {
204         char *buf;
205         size_t size;
206         const char *sep;
207         void *ptr;
208 };
209
210 struct perf_hpp_fmt {
211         const char *name;
212         int (*header)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
213                       struct perf_evsel *evsel);
214         int (*width)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
215                      struct perf_evsel *evsel);
216         int (*color)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
217                      struct hist_entry *he);
218         int (*entry)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
219                      struct hist_entry *he);
220         int64_t (*cmp)(struct perf_hpp_fmt *fmt,
221                        struct hist_entry *a, struct hist_entry *b);
222         int64_t (*collapse)(struct perf_hpp_fmt *fmt,
223                             struct hist_entry *a, struct hist_entry *b);
224         int64_t (*sort)(struct perf_hpp_fmt *fmt,
225                         struct hist_entry *a, struct hist_entry *b);
226         bool (*equal)(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b);
227         void (*free)(struct perf_hpp_fmt *fmt);
228
229         struct list_head list;
230         struct list_head sort_list;
231         bool elide;
232         int len;
233         int user_len;
234         int idx;
235 };
236
237 struct perf_hpp_list {
238         struct list_head fields;
239         struct list_head sorts;
240 };
241
242 extern struct perf_hpp_list perf_hpp_list;
243
244 void perf_hpp_list__column_register(struct perf_hpp_list *list,
245                                     struct perf_hpp_fmt *format);
246 void perf_hpp_list__register_sort_field(struct perf_hpp_list *list,
247                                         struct perf_hpp_fmt *format);
248
249 static inline void perf_hpp__column_register(struct perf_hpp_fmt *format)
250 {
251         perf_hpp_list__column_register(&perf_hpp_list, format);
252 }
253
254 static inline void perf_hpp__register_sort_field(struct perf_hpp_fmt *format)
255 {
256         perf_hpp_list__register_sort_field(&perf_hpp_list, format);
257 }
258
259 #define perf_hpp_list__for_each_format(_list, format) \
260         list_for_each_entry(format, &(_list)->fields, list)
261
262 #define perf_hpp_list__for_each_format_safe(_list, format, tmp) \
263         list_for_each_entry_safe(format, tmp, &(_list)->fields, list)
264
265 #define perf_hpp_list__for_each_sort_list(_list, format) \
266         list_for_each_entry(format, &(_list)->sorts, sort_list)
267
268 #define perf_hpp_list__for_each_sort_list_safe(_list, format, tmp)      \
269         list_for_each_entry_safe(format, tmp, &(_list)->sorts, sort_list)
270
271 #define hists__for_each_format(hists, format) \
272         perf_hpp_list__for_each_format((hists)->hpp_list, fmt)
273
274 #define hists__for_each_sort_list(hists, format) \
275         perf_hpp_list__for_each_sort_list((hists)->hpp_list, fmt)
276
277 extern struct perf_hpp_fmt perf_hpp__format[];
278
279 enum {
280         /* Matches perf_hpp__format array. */
281         PERF_HPP__OVERHEAD,
282         PERF_HPP__OVERHEAD_SYS,
283         PERF_HPP__OVERHEAD_US,
284         PERF_HPP__OVERHEAD_GUEST_SYS,
285         PERF_HPP__OVERHEAD_GUEST_US,
286         PERF_HPP__OVERHEAD_ACC,
287         PERF_HPP__SAMPLES,
288         PERF_HPP__PERIOD,
289
290         PERF_HPP__MAX_INDEX
291 };
292
293 void perf_hpp__init(void);
294 void perf_hpp__column_unregister(struct perf_hpp_fmt *format);
295 void perf_hpp__cancel_cumulate(void);
296 void perf_hpp__setup_output_field(struct perf_hpp_list *list);
297 void perf_hpp__reset_output_field(struct perf_hpp_list *list);
298 void perf_hpp__append_sort_keys(struct perf_hpp_list *list);
299
300
301 bool perf_hpp__is_sort_entry(struct perf_hpp_fmt *format);
302 bool perf_hpp__is_dynamic_entry(struct perf_hpp_fmt *format);
303 bool perf_hpp__defined_dynamic_entry(struct perf_hpp_fmt *fmt, struct hists *hists);
304
305 static inline bool perf_hpp__should_skip(struct perf_hpp_fmt *format,
306                                          struct hists *hists)
307 {
308         if (format->elide)
309                 return true;
310
311         if (perf_hpp__is_dynamic_entry(format) &&
312             !perf_hpp__defined_dynamic_entry(format, hists))
313                 return true;
314
315         return false;
316 }
317
318 void perf_hpp__reset_width(struct perf_hpp_fmt *fmt, struct hists *hists);
319 void perf_hpp__reset_sort_width(struct perf_hpp_fmt *fmt, struct hists *hists);
320 void perf_hpp__set_user_width(const char *width_list_str);
321
322 typedef u64 (*hpp_field_fn)(struct hist_entry *he);
323 typedef int (*hpp_callback_fn)(struct perf_hpp *hpp, bool front);
324 typedef int (*hpp_snprint_fn)(struct perf_hpp *hpp, const char *fmt, ...);
325
326 int hpp__fmt(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
327              struct hist_entry *he, hpp_field_fn get_field,
328              const char *fmtstr, hpp_snprint_fn print_fn, bool fmt_percent);
329 int hpp__fmt_acc(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
330                  struct hist_entry *he, hpp_field_fn get_field,
331                  const char *fmtstr, hpp_snprint_fn print_fn, bool fmt_percent);
332
333 static inline void advance_hpp(struct perf_hpp *hpp, int inc)
334 {
335         hpp->buf  += inc;
336         hpp->size -= inc;
337 }
338
339 static inline size_t perf_hpp__use_color(void)
340 {
341         return !symbol_conf.field_sep;
342 }
343
344 static inline size_t perf_hpp__color_overhead(void)
345 {
346         return perf_hpp__use_color() ?
347                (COLOR_MAXLEN + sizeof(PERF_COLOR_RESET)) * PERF_HPP__MAX_INDEX
348                : 0;
349 }
350
351 struct perf_evlist;
352
353 struct hist_browser_timer {
354         void (*timer)(void *arg);
355         void *arg;
356         int refresh;
357 };
358
359 #ifdef HAVE_SLANG_SUPPORT
360 #include "../ui/keysyms.h"
361 int map_symbol__tui_annotate(struct map_symbol *ms, struct perf_evsel *evsel,
362                              struct hist_browser_timer *hbt);
363
364 int hist_entry__tui_annotate(struct hist_entry *he, struct perf_evsel *evsel,
365                              struct hist_browser_timer *hbt);
366
367 int perf_evlist__tui_browse_hists(struct perf_evlist *evlist, const char *help,
368                                   struct hist_browser_timer *hbt,
369                                   float min_pcnt,
370                                   struct perf_env *env);
371 int script_browse(const char *script_opt);
372 #else
373 static inline
374 int perf_evlist__tui_browse_hists(struct perf_evlist *evlist __maybe_unused,
375                                   const char *help __maybe_unused,
376                                   struct hist_browser_timer *hbt __maybe_unused,
377                                   float min_pcnt __maybe_unused,
378                                   struct perf_env *env __maybe_unused)
379 {
380         return 0;
381 }
382 static inline int map_symbol__tui_annotate(struct map_symbol *ms __maybe_unused,
383                                            struct perf_evsel *evsel __maybe_unused,
384                                            struct hist_browser_timer *hbt __maybe_unused)
385 {
386         return 0;
387 }
388
389 static inline int hist_entry__tui_annotate(struct hist_entry *he __maybe_unused,
390                                            struct perf_evsel *evsel __maybe_unused,
391                                            struct hist_browser_timer *hbt __maybe_unused)
392 {
393         return 0;
394 }
395
396 static inline int script_browse(const char *script_opt __maybe_unused)
397 {
398         return 0;
399 }
400
401 #define K_LEFT  -1000
402 #define K_RIGHT -2000
403 #define K_SWITCH_INPUT_DATA -3000
404 #endif
405
406 unsigned int hists__sort_list_width(struct hists *hists);
407
408 void hist__account_cycles(struct branch_stack *bs, struct addr_location *al,
409                           struct perf_sample *sample, bool nonany_branch_mode);
410
411 struct option;
412 int parse_filter_percentage(const struct option *opt __maybe_unused,
413                             const char *arg, int unset __maybe_unused);
414 int perf_hist_config(const char *var, const char *value);
415
416 void perf_hpp_list__init(struct perf_hpp_list *list);
417
418 #endif  /* __PERF_HIST_H */