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