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 };
  24
  25 enum hist_column {
  26         HISTC_SYMBOL,
  27         HISTC_DSO,
  28         HISTC_THREAD,
  29         HISTC_COMM,
  30         HISTC_PARENT,
  31         HISTC_CPU,
  32         HISTC_SRCLINE,
  33         HISTC_MISPREDICT,
  34         HISTC_IN_TX,
  35         HISTC_ABORT,
  36         HISTC_SYMBOL_FROM,
  37         HISTC_SYMBOL_TO,
  38         HISTC_DSO_FROM,
  39         HISTC_DSO_TO,
  40         HISTC_LOCAL_WEIGHT,
  41         HISTC_GLOBAL_WEIGHT,
  42         HISTC_MEM_DADDR_SYMBOL,
  43         HISTC_MEM_DADDR_DSO,
  44         HISTC_MEM_LOCKED,
  45         HISTC_MEM_TLB,
  46         HISTC_MEM_LVL,
  47         HISTC_MEM_SNOOP,
  48         HISTC_MEM_DCACHELINE,
  49         HISTC_TRANSACTION,
  50         HISTC_NR_COLS, /* Last entry */
  51 };
  52
  53 struct thread;
  54 struct dso;
  55
  56 struct hists {
  57         struct rb_root          entries_in_array[2];
  58         struct rb_root          *entries_in;
  59         struct rb_root          entries;
  60         struct rb_root          entries_collapsed;
  61         u64                     nr_entries;
  62         u64                     nr_non_filtered_entries;
  63         const struct thread     *thread_filter;
  64         const struct dso        *dso_filter;
  65         const char              *uid_filter_str;
  66         const char              *symbol_filter_str;
  67         pthread_mutex_t         lock;
  68         struct events_stats     stats;
  69         u64                     event_stream;
  70         u16                     col_len[HISTC_NR_COLS];
  71 };
  72
  73 struct hist_entry_iter;
  74
  75 struct hist_iter_ops {
  76         int (*prepare_entry)(struct hist_entry_iter *, struct addr_location *);
  77         int (*add_single_entry)(struct hist_entry_iter *, struct addr_location *);
  78         int (*next_entry)(struct hist_entry_iter *, struct addr_location *);
  79         int (*add_next_entry)(struct hist_entry_iter *, struct addr_location *);
  80         int (*finish_entry)(struct hist_entry_iter *, struct addr_location *);
  81 };
  82
  83 struct hist_entry_iter {
  84         int total;
  85         int curr;
  86
  87         bool hide_unresolved;
  88
  89         struct perf_evsel *evsel;
  90         struct perf_sample *sample;
  91         struct hist_entry *he;
  92         struct symbol *parent;
  93         void *priv;
  94
  95         const struct hist_iter_ops *ops;
  96         /* user-defined callback function (optional) */
  97         int (*add_entry_cb)(struct hist_entry_iter *iter,
  98                             struct addr_location *al, bool single, void *arg);
  99 };
 100
 101 extern const struct hist_iter_ops hist_iter_normal;
 102 extern const struct hist_iter_ops hist_iter_branch;
 103 extern const struct hist_iter_ops hist_iter_mem;
 104 extern const struct hist_iter_ops hist_iter_cumulative;
 105
 106 struct hist_entry *__hists__add_entry(struct hists *hists,
 107                                       struct addr_location *al,
 108                                       struct symbol *parent,
 109                                       struct branch_info *bi,
 110                                       struct mem_info *mi, u64 period,
 111                                       u64 weight, u64 transaction,
 112                                       bool sample_self);
 113 int hist_entry_iter__add(struct hist_entry_iter *iter, struct addr_location *al,
 114                          struct perf_evsel *evsel, struct perf_sample *sample,
 115                          int max_stack_depth, void *arg);
 116
 117 int64_t hist_entry__cmp(struct hist_entry *left, struct hist_entry *right);
 118 int64_t hist_entry__collapse(struct hist_entry *left, struct hist_entry *right);
 119 int hist_entry__transaction_len(void);
 120 int hist_entry__sort_snprintf(struct hist_entry *he, char *bf, size_t size,
 121                               struct hists *hists);
 122 void hist_entry__delete(struct hist_entry *he);
 123
 124 void hists__output_resort(struct hists *hists, struct ui_progress *prog);
 125 void hists__collapse_resort(struct hists *hists, struct ui_progress *prog);
 126
 127 void hists__decay_entries(struct hists *hists, bool zap_user, bool zap_kernel);
 128 void hists__delete_entries(struct hists *hists);
 129 void hists__output_recalc_col_len(struct hists *hists, int max_rows);
 130
 131 u64 hists__total_period(struct hists *hists);
 132 void hists__reset_stats(struct hists *hists);
 133 void hists__inc_stats(struct hists *hists, struct hist_entry *h);
 134 void hists__inc_nr_events(struct hists *hists, u32 type);
 135 void hists__inc_nr_samples(struct hists *hists, bool filtered);
 136 void events_stats__inc(struct events_stats *stats, u32 type);
 137 size_t events_stats__fprintf(struct events_stats *stats, FILE *fp);
 138
 139 size_t hists__fprintf(struct hists *hists, bool show_header, int max_rows,
 140                       int max_cols, float min_pcnt, FILE *fp);
 141 size_t perf_evlist__fprintf_nr_events(struct perf_evlist *evlist, FILE *fp);
 142
 143 void hists__filter_by_dso(struct hists *hists);
 144 void hists__filter_by_thread(struct hists *hists);
 145 void hists__filter_by_symbol(struct hists *hists);
 146
 147 static inline bool hists__has_filter(struct hists *hists)
 148 {
 149         return hists->thread_filter || hists->dso_filter ||
 150                 hists->symbol_filter_str;
 151 }
 152
 153 u16 hists__col_len(struct hists *hists, enum hist_column col);
 154 void hists__set_col_len(struct hists *hists, enum hist_column col, u16 len);
 155 bool hists__new_col_len(struct hists *hists, enum hist_column col, u16 len);
 156 void hists__reset_col_len(struct hists *hists);
 157 void hists__calc_col_len(struct hists *hists, struct hist_entry *he);
 158
 159 void hists__match(struct hists *leader, struct hists *other);
 160 int hists__link(struct hists *leader, struct hists *other);
 161
 162 struct hists_evsel {
 163         struct perf_evsel evsel;
 164         struct hists      hists;
 165 };
 166
 167 static inline struct perf_evsel *hists_to_evsel(struct hists *hists)
 168 {
 169         struct hists_evsel *hevsel = container_of(hists, struct hists_evsel, hists);
 170         return &hevsel->evsel;
 171 }
 172
 173 static inline struct hists *evsel__hists(struct perf_evsel *evsel)
 174 {
 175         struct hists_evsel *hevsel = (struct hists_evsel *)evsel;
 176         return &hevsel->hists;
 177 }
 178
 179 int hists__init(void);
 180
 181 struct perf_hpp {
 182         char *buf;
 183         size_t size;
 184         const char *sep;
 185         void *ptr;
 186 };
 187
 188 struct perf_hpp_fmt {
 189         const char *name;
 190         int (*header)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 191                       struct perf_evsel *evsel);
 192         int (*width)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 193                      struct perf_evsel *evsel);
 194         int (*color)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 195                      struct hist_entry *he);
 196         int (*entry)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 197                      struct hist_entry *he);
 198         int64_t (*cmp)(struct hist_entry *a, struct hist_entry *b);
 199         int64_t (*collapse)(struct hist_entry *a, struct hist_entry *b);
 200         int64_t (*sort)(struct hist_entry *a, struct hist_entry *b);
 201
 202         struct list_head list;
 203         struct list_head sort_list;
 204         bool elide;
 205         int len;
 206         int user_len;
 207 };
 208
 209 extern struct list_head perf_hpp__list;
 210 extern struct list_head perf_hpp__sort_list;
 211
 212 #define perf_hpp__for_each_format(format) \
 213         list_for_each_entry(format, &perf_hpp__list, list)
 214
 215 #define perf_hpp__for_each_format_safe(format, tmp)     \
 216         list_for_each_entry_safe(format, tmp, &perf_hpp__list, list)
 217
 218 #define perf_hpp__for_each_sort_list(format) \
 219         list_for_each_entry(format, &perf_hpp__sort_list, sort_list)
 220
 221 #define perf_hpp__for_each_sort_list_safe(format, tmp)  \
 222         list_for_each_entry_safe(format, tmp, &perf_hpp__sort_list, sort_list)
 223
 224 extern struct perf_hpp_fmt perf_hpp__format[];
 225
 226 enum {
 227         /* Matches perf_hpp__format array. */
 228         PERF_HPP__OVERHEAD,
 229         PERF_HPP__OVERHEAD_SYS,
 230         PERF_HPP__OVERHEAD_US,
 231         PERF_HPP__OVERHEAD_GUEST_SYS,
 232         PERF_HPP__OVERHEAD_GUEST_US,
 233         PERF_HPP__OVERHEAD_ACC,
 234         PERF_HPP__SAMPLES,
 235         PERF_HPP__PERIOD,
 236
 237         PERF_HPP__MAX_INDEX
 238 };
 239
 240 void perf_hpp__init(void);
 241 void perf_hpp__column_register(struct perf_hpp_fmt *format);
 242 void perf_hpp__column_unregister(struct perf_hpp_fmt *format);
 243 void perf_hpp__column_enable(unsigned col);
 244 void perf_hpp__column_disable(unsigned col);
 245 void perf_hpp__cancel_cumulate(void);
 246
 247 void perf_hpp__register_sort_field(struct perf_hpp_fmt *format);
 248 void perf_hpp__setup_output_field(void);
 249 void perf_hpp__reset_output_field(void);
 250 void perf_hpp__append_sort_keys(void);
 251
 252 bool perf_hpp__is_sort_entry(struct perf_hpp_fmt *format);
 253 bool perf_hpp__same_sort_entry(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b);
 254
 255 static inline bool perf_hpp__should_skip(struct perf_hpp_fmt *format)
 256 {
 257         return format->elide;
 258 }
 259
 260 void perf_hpp__reset_width(struct perf_hpp_fmt *fmt, struct hists *hists);
 261 void perf_hpp__reset_sort_width(struct perf_hpp_fmt *fmt, struct hists *hists);
 262 void perf_hpp__set_user_width(const char *width_list_str);
 263
 264 typedef u64 (*hpp_field_fn)(struct hist_entry *he);
 265 typedef int (*hpp_callback_fn)(struct perf_hpp *hpp, bool front);
 266 typedef int (*hpp_snprint_fn)(struct perf_hpp *hpp, const char *fmt, ...);
 267
 268 int hpp__fmt(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 269              struct hist_entry *he, hpp_field_fn get_field,
 270              const char *fmtstr, hpp_snprint_fn print_fn, bool fmt_percent);
 271 int hpp__fmt_acc(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 272                  struct hist_entry *he, hpp_field_fn get_field,
 273                  const char *fmtstr, hpp_snprint_fn print_fn, bool fmt_percent);
 274
 275 static inline void advance_hpp(struct perf_hpp *hpp, int inc)
 276 {
 277         hpp->buf  += inc;
 278         hpp->size -= inc;
 279 }
 280
 281 static inline size_t perf_hpp__use_color(void)
 282 {
 283         return !symbol_conf.field_sep;
 284 }
 285
 286 static inline size_t perf_hpp__color_overhead(void)
 287 {
 288         return perf_hpp__use_color() ?
 289                (COLOR_MAXLEN + sizeof(PERF_COLOR_RESET)) * PERF_HPP__MAX_INDEX
 290                : 0;
 291 }
 292
 293 struct perf_evlist;
 294
 295 struct hist_browser_timer {
 296         void (*timer)(void *arg);
 297         void *arg;
 298         int refresh;
 299 };
 300
 301 #ifdef HAVE_SLANG_SUPPORT
 302 #include "../ui/keysyms.h"
 303 int hist_entry__tui_annotate(struct hist_entry *he, struct perf_evsel *evsel,
 304                              struct hist_browser_timer *hbt);
 305
 306 int perf_evlist__tui_browse_hists(struct perf_evlist *evlist, const char *help,
 307                                   struct hist_browser_timer *hbt,
 308                                   float min_pcnt,
 309                                   struct perf_session_env *env);
 310 int script_browse(const char *script_opt);
 311 #else
 312 static inline
 313 int perf_evlist__tui_browse_hists(struct perf_evlist *evlist __maybe_unused,
 314                                   const char *help __maybe_unused,
 315                                   struct hist_browser_timer *hbt __maybe_unused,
 316                                   float min_pcnt __maybe_unused,
 317                                   struct perf_session_env *env __maybe_unused)
 318 {
 319         return 0;
 320 }
 321
 322 static inline int hist_entry__tui_annotate(struct hist_entry *he __maybe_unused,
 323                                            struct perf_evsel *evsel __maybe_unused,
 324                                            struct hist_browser_timer *hbt __maybe_unused)
 325 {
 326         return 0;
 327 }
 328
 329 static inline int script_browse(const char *script_opt __maybe_unused)
 330 {
 331         return 0;
 332 }
 333
 334 #define K_LEFT  -1000
 335 #define K_RIGHT -2000
 336 #define K_SWITCH_INPUT_DATA -3000
 337 #endif
 338
 339 unsigned int hists__sort_list_width(struct hists *hists);
 340
 341 struct option;
 342 int parse_filter_percentage(const struct option *opt __maybe_unused,
 343                             const char *arg, int unset __maybe_unused);
 344 int perf_hist_config(const char *var, const char *value);
 345
 346 #endif  /* __PERF_HIST_H */