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_events(struct hists *self, u32 type); 100 size_t hists__fprintf_nr_events(struct hists *self, FILE *fp); 101 102 size_t hists__fprintf(struct hists *self, bool show_header, int max_rows, 103 int max_cols, FILE *fp); 104 105 int hist_entry__inc_addr_samples(struct hist_entry *self, int evidx, u64 addr); 106 int hist_entry__annotate(struct hist_entry *self, size_t privsize); 107 108 void hists__filter_by_dso(struct hists *hists); 109 void hists__filter_by_thread(struct hists *hists); 110 void hists__filter_by_symbol(struct hists *hists); 111 112 u16 hists__col_len(struct hists *self, enum hist_column col); 113 void hists__set_col_len(struct hists *self, enum hist_column col, u16 len); 114 bool hists__new_col_len(struct hists *self, enum hist_column col, u16 len); 115 void hists__reset_col_len(struct hists *hists); 116 void hists__calc_col_len(struct hists *hists, struct hist_entry *he); 117 118 void hists__match(struct hists *leader, struct hists *other); 119 int hists__link(struct hists *leader, struct hists *other); 120 121 struct perf_hpp { 122 char *buf; 123 size_t size; 124 const char *sep; 125 void *ptr; 126 }; 127 128 struct perf_hpp_fmt { 129 bool cond; 130 int (*header)(struct perf_hpp *hpp); 131 int (*width)(struct perf_hpp *hpp); 132 int (*color)(struct perf_hpp *hpp, struct hist_entry *he); 133 int (*entry)(struct perf_hpp *hpp, struct hist_entry *he); 134 }; 135 136 extern struct perf_hpp_fmt perf_hpp__format[]; 137 138 enum { 139 PERF_HPP__BASELINE, 140 PERF_HPP__OVERHEAD, 141 PERF_HPP__OVERHEAD_SYS, 142 PERF_HPP__OVERHEAD_US, 143 PERF_HPP__OVERHEAD_GUEST_SYS, 144 PERF_HPP__OVERHEAD_GUEST_US, 145 PERF_HPP__SAMPLES, 146 PERF_HPP__PERIOD, 147 PERF_HPP__PERIOD_BASELINE, 148 PERF_HPP__DELTA, 149 PERF_HPP__RATIO, 150 PERF_HPP__WEIGHTED_DIFF, 151 PERF_HPP__DISPL, 152 PERF_HPP__FORMULA, 153 154 PERF_HPP__MAX_INDEX 155 }; 156 157 void perf_hpp__init(void); 158 void perf_hpp__column_enable(unsigned col, bool enable); 159 int hist_entry__period_snprintf(struct perf_hpp *hpp, struct hist_entry *he, 160 bool color); 161 162 struct perf_evlist; 163 164 struct hist_browser_timer { 165 void (*timer)(void *arg); 166 void *arg; 167 int refresh; 168 }; 169 170 #ifdef NEWT_SUPPORT 171 #include "../ui/keysyms.h" 172 int hist_entry__tui_annotate(struct hist_entry *he, int evidx, 173 struct hist_browser_timer *hbt); 174 175 int perf_evlist__tui_browse_hists(struct perf_evlist *evlist, const char *help, 176 struct hist_browser_timer *hbt, 177 struct perf_session_env *env); 178 int script_browse(const char *script_opt); 179 #else 180 static inline 181 int perf_evlist__tui_browse_hists(struct perf_evlist *evlist __maybe_unused, 182 const char *help __maybe_unused, 183 struct hist_browser_timer *hbt __maybe_unused, 184 struct perf_session_env *env __maybe_unused) 185 { 186 return 0; 187 } 188 189 static inline int hist_entry__tui_annotate(struct hist_entry *self 190 __maybe_unused, 191 int evidx __maybe_unused, 192 struct hist_browser_timer *hbt 193 __maybe_unused) 194 { 195 return 0; 196 } 197 198 static inline int script_browse(const char *script_opt __maybe_unused) 199 { 200 return 0; 201 } 202 203 #define K_LEFT -1 204 #define K_RIGHT -2 205 #endif 206 207 #ifdef GTK2_SUPPORT 208 int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist, const char *help, 209 struct hist_browser_timer *hbt __maybe_unused); 210 #else 211 static inline 212 int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist __maybe_unused, 213 const char *help __maybe_unused, 214 struct hist_browser_timer *hbt __maybe_unused) 215 { 216 return 0; 217 } 218 #endif 219 220 unsigned int hists__sort_list_width(struct hists *self); 221 222 double perf_diff__compute_delta(struct hist_entry *he); 223 double perf_diff__compute_ratio(struct hist_entry *he); 224 s64 perf_diff__compute_wdiff(struct hist_entry *he); 225 int perf_diff__formula(char *buf, size_t size, struct hist_entry *he); 226 #endif /* __PERF_HIST_H */ 227