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 "header.h"
   8 #include "color.h"
   9 #include "ui/progress.h"
  10
  11 extern struct callchain_param callchain_param;
  12
  13 struct hist_entry;
  14 struct addr_location;
  15 struct symbol;
  16
  17 enum hist_filter {
  18         HIST_FILTER__DSO,
  19         HIST_FILTER__THREAD,
  20         HIST_FILTER__PARENT,
  21         HIST_FILTER__SYMBOL,
  22         HIST_FILTER__GUEST,
  23         HIST_FILTER__HOST,
  24 };
  25
  26 /*
  27  * The kernel collects the number of events it couldn't send in a stretch and
  28  * when possible sends this number in a PERF_RECORD_LOST event. The number of
  29  * such "chunks" of lost events is stored in .nr_events[PERF_EVENT_LOST] while
  30  * total_lost tells exactly how many events the kernel in fact lost, i.e. it is
  31  * the sum of all struct lost_event.lost fields reported.
  32  *
  33  * The total_period is needed because by default auto-freq is used, so
  34  * multipling nr_events[PERF_EVENT_SAMPLE] by a frequency isn't possible to get
  35  * the total number of low level events, it is necessary to to sum all struct
  36  * sample_event.period and stash the result in total_period.
  37  */
  38 struct events_stats {
  39         u64 total_period;
  40         u64 total_lost;
  41         u64 total_invalid_chains;
  42         u32 nr_events[PERF_RECORD_HEADER_MAX];
  43         u32 nr_lost_warned;
  44         u32 nr_unknown_events;
  45         u32 nr_invalid_chains;
  46         u32 nr_unknown_id;
  47         u32 nr_unprocessable_samples;
  48 };
  49
  50 enum hist_column {
  51         HISTC_SYMBOL,
  52         HISTC_DSO,
  53         HISTC_THREAD,
  54         HISTC_COMM,
  55         HISTC_PARENT,
  56         HISTC_CPU,
  57         HISTC_SRCLINE,
  58         HISTC_MISPREDICT,
  59         HISTC_IN_TX,
  60         HISTC_ABORT,
  61         HISTC_SYMBOL_FROM,
  62         HISTC_SYMBOL_TO,
  63         HISTC_DSO_FROM,
  64         HISTC_DSO_TO,
  65         HISTC_LOCAL_WEIGHT,
  66         HISTC_GLOBAL_WEIGHT,
  67         HISTC_MEM_DADDR_SYMBOL,
  68         HISTC_MEM_DADDR_DSO,
  69         HISTC_MEM_LOCKED,
  70         HISTC_MEM_TLB,
  71         HISTC_MEM_LVL,
  72         HISTC_MEM_SNOOP,
  73         HISTC_TRANSACTION,
  74         HISTC_NR_COLS, /* Last entry */
  75 };
  76
  77 struct thread;
  78 struct dso;
  79
  80 struct hists {
  81         struct rb_root          entries_in_array[2];
  82         struct rb_root          *entries_in;
  83         struct rb_root          entries;
  84         struct rb_root          entries_collapsed;
  85         u64                     nr_entries;
  86         const struct thread     *thread_filter;
  87         const struct dso        *dso_filter;
  88         const char              *uid_filter_str;
  89         const char              *symbol_filter_str;
  90         pthread_mutex_t         lock;
  91         struct events_stats     stats;
  92         u64                     event_stream;
  93         u16                     col_len[HISTC_NR_COLS];
  94 };
  95
  96 struct hist_entry *__hists__add_entry(struct hists *hists,
  97                                       struct addr_location *al,
  98                                       struct symbol *parent,
  99                                       struct branch_info *bi,
 100                                       struct mem_info *mi, u64 period,
 101                                       u64 weight, u64 transaction);
 102 int64_t hist_entry__cmp(struct hist_entry *left, struct hist_entry *right);
 103 int64_t hist_entry__collapse(struct hist_entry *left, struct hist_entry *right);
 104 int hist_entry__transaction_len(void);
 105 int hist_entry__sort_snprintf(struct hist_entry *he, char *bf, size_t size,
 106                               struct hists *hists);
 107 void hist_entry__free(struct hist_entry *);
 108
 109 void hists__output_resort(struct hists *hists);
 110 void hists__collapse_resort(struct hists *hists, struct ui_progress *prog);
 111
 112 void hists__decay_entries(struct hists *hists, bool zap_user, bool zap_kernel);
 113 void hists__output_recalc_col_len(struct hists *hists, int max_rows);
 114
 115 void hists__inc_nr_entries(struct hists *hists, struct hist_entry *h);
 116 void hists__inc_nr_events(struct hists *hists, u32 type);
 117 void events_stats__inc(struct events_stats *stats, u32 type);
 118 size_t events_stats__fprintf(struct events_stats *stats, FILE *fp);
 119
 120 size_t hists__fprintf(struct hists *hists, bool show_header, int max_rows,
 121                       int max_cols, float min_pcnt, FILE *fp);
 122
 123 void hists__filter_by_dso(struct hists *hists);
 124 void hists__filter_by_thread(struct hists *hists);
 125 void hists__filter_by_symbol(struct hists *hists);
 126
 127 u16 hists__col_len(struct hists *hists, enum hist_column col);
 128 void hists__set_col_len(struct hists *hists, enum hist_column col, u16 len);
 129 bool hists__new_col_len(struct hists *hists, enum hist_column col, u16 len);
 130 void hists__reset_col_len(struct hists *hists);
 131 void hists__calc_col_len(struct hists *hists, struct hist_entry *he);
 132
 133 void hists__match(struct hists *leader, struct hists *other);
 134 int hists__link(struct hists *leader, struct hists *other);
 135
 136 struct perf_hpp {
 137         char *buf;
 138         size_t size;
 139         const char *sep;
 140         void *ptr;
 141 };
 142
 143 struct perf_hpp_fmt {
 144         int (*header)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 145                       struct perf_evsel *evsel);
 146         int (*width)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 147                      struct perf_evsel *evsel);
 148         int (*color)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 149                      struct hist_entry *he);
 150         int (*entry)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 151                      struct hist_entry *he);
 152
 153         struct list_head list;
 154 };
 155
 156 extern struct list_head perf_hpp__list;
 157
 158 #define perf_hpp__for_each_format(format) \
 159         list_for_each_entry(format, &perf_hpp__list, list)
 160
 161 extern struct perf_hpp_fmt perf_hpp__format[];
 162
 163 enum {
 164         /* Matches perf_hpp__format array. */
 165         PERF_HPP__OVERHEAD,
 166         PERF_HPP__OVERHEAD_SYS,
 167         PERF_HPP__OVERHEAD_US,
 168         PERF_HPP__OVERHEAD_GUEST_SYS,
 169         PERF_HPP__OVERHEAD_GUEST_US,
 170         PERF_HPP__SAMPLES,
 171         PERF_HPP__PERIOD,
 172
 173         PERF_HPP__MAX_INDEX
 174 };
 175
 176 void perf_hpp__init(void);
 177 void perf_hpp__column_register(struct perf_hpp_fmt *format);
 178 void perf_hpp__column_enable(unsigned col);
 179
 180 typedef u64 (*hpp_field_fn)(struct hist_entry *he);
 181 typedef int (*hpp_callback_fn)(struct perf_hpp *hpp, bool front);
 182 typedef int (*hpp_snprint_fn)(struct perf_hpp *hpp, const char *fmt, ...);
 183
 184 int __hpp__fmt(struct perf_hpp *hpp, struct hist_entry *he,
 185                hpp_field_fn get_field, hpp_callback_fn callback,
 186                const char *fmt, hpp_snprint_fn print_fn, bool fmt_percent);
 187
 188 static inline void advance_hpp(struct perf_hpp *hpp, int inc)
 189 {
 190         hpp->buf  += inc;
 191         hpp->size -= inc;
 192 }
 193
 194 static inline size_t perf_hpp__use_color(void)
 195 {
 196         return !symbol_conf.field_sep;
 197 }
 198
 199 static inline size_t perf_hpp__color_overhead(void)
 200 {
 201         return perf_hpp__use_color() ?
 202                (COLOR_MAXLEN + sizeof(PERF_COLOR_RESET)) * PERF_HPP__MAX_INDEX
 203                : 0;
 204 }
 205
 206 struct perf_evlist;
 207
 208 struct hist_browser_timer {
 209         void (*timer)(void *arg);
 210         void *arg;
 211         int refresh;
 212 };
 213
 214 #ifdef HAVE_SLANG_SUPPORT
 215 #include "../ui/keysyms.h"
 216 int hist_entry__tui_annotate(struct hist_entry *he, struct perf_evsel *evsel,
 217                              struct hist_browser_timer *hbt);
 218
 219 int perf_evlist__tui_browse_hists(struct perf_evlist *evlist, const char *help,
 220                                   struct hist_browser_timer *hbt,
 221                                   float min_pcnt,
 222                                   struct perf_session_env *env);
 223 int script_browse(const char *script_opt);
 224 #else
 225 static inline
 226 int perf_evlist__tui_browse_hists(struct perf_evlist *evlist __maybe_unused,
 227                                   const char *help __maybe_unused,
 228                                   struct hist_browser_timer *hbt __maybe_unused,
 229                                   float min_pcnt __maybe_unused,
 230                                   struct perf_session_env *env __maybe_unused)
 231 {
 232         return 0;
 233 }
 234
 235 static inline int hist_entry__tui_annotate(struct hist_entry *he __maybe_unused,
 236                                            struct perf_evsel *evsel __maybe_unused,
 237                                            struct hist_browser_timer *hbt __maybe_unused)
 238 {
 239         return 0;
 240 }
 241
 242 static inline int script_browse(const char *script_opt __maybe_unused)
 243 {
 244         return 0;
 245 }
 246
 247 #define K_LEFT  -1000
 248 #define K_RIGHT -2000
 249 #define K_SWITCH_INPUT_DATA -3000
 250 #endif
 251
 252 unsigned int hists__sort_list_width(struct hists *hists);
 253 #endif  /* __PERF_HIST_H */