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 9 extern struct callchain_param callchain_param; 10 11 struct hist_entry; 12 struct addr_location; 13 struct symbol; 14 15 /* 16 * The kernel collects the number of events it couldn't send in a stretch and 17 * when possible sends this number in a PERF_RECORD_LOST event. The number of 18 * such "chunks" of lost events is stored in .nr_events[PERF_EVENT_LOST] while 19 * total_lost tells exactly how many events the kernel in fact lost, i.e. it is 20 * the sum of all struct lost_event.lost fields reported. 21 * 22 * The total_period is needed because by default auto-freq is used, so 23 * multipling nr_events[PERF_EVENT_SAMPLE] by a frequency isn't possible to get 24 * the total number of low level events, it is necessary to to sum all struct 25 * sample_event.period and stash the result in total_period. 26 */ 27 struct events_stats { 28 u64 total_period; 29 u64 total_lost; 30 u64 total_invalid_chains; 31 u32 nr_events[PERF_RECORD_HEADER_MAX]; 32 u32 nr_lost_warned; 33 u32 nr_unknown_events; 34 u32 nr_invalid_chains; 35 u32 nr_unknown_id; 36 u32 nr_unprocessable_samples; 37 }; 38 39 enum hist_column { 40 HISTC_SYMBOL, 41 HISTC_DSO, 42 HISTC_THREAD, 43 HISTC_COMM, 44 HISTC_PARENT, 45 HISTC_CPU, 46 HISTC_MISPREDICT, 47 HISTC_SYMBOL_FROM, 48 HISTC_SYMBOL_TO, 49 HISTC_DSO_FROM, 50 HISTC_DSO_TO, 51 HISTC_SRCLINE, 52 HISTC_NR_COLS, /* Last entry */ 53 }; 54 55 struct thread; 56 struct dso; 57 58 struct hists { 59 struct rb_root entries_in_array[2]; 60 struct rb_root *entries_in; 61 struct rb_root entries; 62 struct rb_root entries_collapsed; 63 u64 nr_entries; 64 const struct thread *thread_filter; 65 const struct dso *dso_filter; 66 const char *uid_filter_str; 67 const char *symbol_filter_str; 68 pthread_mutex_t lock; 69 struct events_stats stats; 70 u64 event_stream; 71 u16 col_len[HISTC_NR_COLS]; 72 }; 73 74 struct hist_entry *__hists__add_entry(struct hists *self, 75 struct addr_location *al, 76 struct symbol *parent, u64 period); 77 int64_t hist_entry__cmp(struct hist_entry *left, struct hist_entry *right); 78 int64_t hist_entry__collapse(struct hist_entry *left, struct hist_entry *right); 79 int hist_entry__sort_snprintf(struct hist_entry *self, char *bf, size_t size, 80 struct hists *hists); 81 void hist_entry__free(struct hist_entry *); 82 83 struct hist_entry *__hists__add_branch_entry(struct hists *self, 84 struct addr_location *al, 85 struct symbol *sym_parent, 86 struct branch_info *bi, 87 u64 period); 88 89 void hists__output_resort(struct hists *self); 90 void hists__output_resort_threaded(struct hists *hists); 91 void hists__collapse_resort(struct hists *self); 92 void hists__collapse_resort_threaded(struct hists *hists); 93 94 void hists__decay_entries(struct hists *hists, bool zap_user, bool zap_kernel); 95 void hists__decay_entries_threaded(struct hists *hists, bool zap_user, 96 bool zap_kernel); 97 void hists__output_recalc_col_len(struct hists *hists, int max_rows); 98 99 void hists__inc_nr_entries(struct hists *hists, struct hist_entry *h); 100 void hists__inc_nr_events(struct hists *self, u32 type); 101 void events_stats__inc(struct events_stats *stats, u32 type); 102 size_t events_stats__fprintf(struct events_stats *stats, FILE *fp); 103 104 size_t hists__fprintf(struct hists *self, bool show_header, int max_rows, 105 int max_cols, FILE *fp); 106 107 int hist_entry__inc_addr_samples(struct hist_entry *self, int evidx, u64 addr); 108 int hist_entry__annotate(struct hist_entry *self, size_t privsize); 109 110 void hists__filter_by_dso(struct hists *hists); 111 void hists__filter_by_thread(struct hists *hists); 112 void hists__filter_by_symbol(struct hists *hists); 113 114 u16 hists__col_len(struct hists *self, enum hist_column col); 115 void hists__set_col_len(struct hists *self, enum hist_column col, u16 len); 116 bool hists__new_col_len(struct hists *self, enum hist_column col, u16 len); 117 void hists__reset_col_len(struct hists *hists); 118 void hists__calc_col_len(struct hists *hists, struct hist_entry *he); 119 120 void hists__match(struct hists *leader, struct hists *other); 121 int hists__link(struct hists *leader, struct hists *other); 122 123 struct perf_hpp { 124 char *buf; 125 size_t size; 126 const char *sep; 127 void *ptr; 128 }; 129 130 struct perf_hpp_fmt { 131 int (*header)(struct perf_hpp *hpp); 132 int (*width)(struct perf_hpp *hpp); 133 int (*color)(struct perf_hpp *hpp, struct hist_entry *he); 134 int (*entry)(struct perf_hpp *hpp, struct hist_entry *he); 135 136 struct list_head list; 137 }; 138 139 extern struct list_head perf_hpp__list; 140 141 #define perf_hpp__for_each_format(format) \ 142 list_for_each_entry(format, &perf_hpp__list, list) 143 144 extern struct perf_hpp_fmt perf_hpp__format[]; 145 146 enum { 147 PERF_HPP__BASELINE, 148 PERF_HPP__OVERHEAD, 149 PERF_HPP__OVERHEAD_SYS, 150 PERF_HPP__OVERHEAD_US, 151 PERF_HPP__OVERHEAD_GUEST_SYS, 152 PERF_HPP__OVERHEAD_GUEST_US, 153 PERF_HPP__SAMPLES, 154 PERF_HPP__PERIOD, 155 PERF_HPP__PERIOD_BASELINE, 156 PERF_HPP__DELTA, 157 PERF_HPP__RATIO, 158 PERF_HPP__WEIGHTED_DIFF, 159 PERF_HPP__FORMULA, 160 161 PERF_HPP__MAX_INDEX 162 }; 163 164 void perf_hpp__init(void); 165 void perf_hpp__column_register(struct perf_hpp_fmt *format); 166 void perf_hpp__column_enable(unsigned col); 167 int hist_entry__period_snprintf(struct perf_hpp *hpp, struct hist_entry *he, 168 bool color); 169 170 struct perf_evlist; 171 172 struct hist_browser_timer { 173 void (*timer)(void *arg); 174 void *arg; 175 int refresh; 176 }; 177 178 #ifdef NEWT_SUPPORT 179 #include "../ui/keysyms.h" 180 int hist_entry__tui_annotate(struct hist_entry *he, int evidx, 181 struct hist_browser_timer *hbt); 182 183 int perf_evlist__tui_browse_hists(struct perf_evlist *evlist, const char *help, 184 struct hist_browser_timer *hbt, 185 struct perf_session_env *env); 186 int script_browse(const char *script_opt); 187 #else 188 static inline 189 int perf_evlist__tui_browse_hists(struct perf_evlist *evlist __maybe_unused, 190 const char *help __maybe_unused, 191 struct hist_browser_timer *hbt __maybe_unused, 192 struct perf_session_env *env __maybe_unused) 193 { 194 return 0; 195 } 196 197 static inline int hist_entry__tui_annotate(struct hist_entry *self 198 __maybe_unused, 199 int evidx __maybe_unused, 200 struct hist_browser_timer *hbt 201 __maybe_unused) 202 { 203 return 0; 204 } 205 206 static inline int script_browse(const char *script_opt __maybe_unused) 207 { 208 return 0; 209 } 210 211 #define K_LEFT -1 212 #define K_RIGHT -2 213 #endif 214 215 #ifdef GTK2_SUPPORT 216 int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist, const char *help, 217 struct hist_browser_timer *hbt __maybe_unused); 218 #else 219 static inline 220 int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist __maybe_unused, 221 const char *help __maybe_unused, 222 struct hist_browser_timer *hbt __maybe_unused) 223 { 224 return 0; 225 } 226 #endif 227 228 unsigned int hists__sort_list_width(struct hists *self); 229 230 double perf_diff__compute_delta(struct hist_entry *he, struct hist_entry *pair); 231 double perf_diff__compute_ratio(struct hist_entry *he, struct hist_entry *pair); 232 s64 perf_diff__compute_wdiff(struct hist_entry *he, struct hist_entry *pair); 233 int perf_diff__formula(struct hist_entry *he, struct hist_entry *pair, 234 char *buf, size_t size); 235 double perf_diff__period_percent(struct hist_entry *he, u64 period); 236 #endif /* __PERF_HIST_H */ 237